diff --git a/.gitignore b/.gitignore
index 67d2f35..372e57a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@
 *.so.dbg
 *.su
 *.symtypes
+*.symversions
 *.tab.[ch]
 *.tar
 *.xz
diff --git a/BUILD.bazel b/BUILD.bazel
new file mode 100644
index 0000000..e3bae9b
--- /dev/null
+++ b/BUILD.bazel
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2021 The Android Open Source Project
+
+load("//build/kernel/kleaf:common_kernels.bzl", "define_common_kernels")
+
+package(
+    default_visibility = [
+        "//visibility:public",
+    ],
+)
+
+_aarch64_additional_kmi_symbol_lists = [
+    # keep sorted
+    "android/abi_gki_aarch64_asr",
+    "android/abi_gki_aarch64_core",
+    "android/abi_gki_aarch64_db845c",
+    "android/abi_gki_aarch64_exynos",
+    "android/abi_gki_aarch64_fips140",
+    "android/abi_gki_aarch64_galaxy",
+    "android/abi_gki_aarch64_generic",
+    "android/abi_gki_aarch64_hikey960",
+    "android/abi_gki_aarch64_rockchip",
+    "android/abi_gki_aarch64_rtkstb",
+    "android/abi_gki_aarch64_telechips",
+    "android/abi_gki_aarch64_type_visibility",
+    "android/abi_gki_aarch64_virtual_device",
+]
+
+define_common_kernels(target_configs = {
+    # Sync with build.config.gki.aarch64
+    "kernel_aarch64": {
+        "kmi_symbol_list": "android/abi_gki_aarch64",
+        "additional_kmi_symbol_lists": _aarch64_additional_kmi_symbol_lists,
+        "abi_definition": "android/abi_gki_aarch64.xml",
+        "kmi_symbol_list_add_only": True,
+    },
+    "kernel_aarch64_debug": {
+        "kmi_symbol_list": "android/abi_gki_aarch64",
+        "additional_kmi_symbol_lists": _aarch64_additional_kmi_symbol_lists,
+        "abi_definition": "android/abi_gki_aarch64.xml",
+        "kmi_symbol_list_add_only": True,
+    },
+})
diff --git a/Documentation/ABI/stable/sysfs-module b/Documentation/ABI/stable/sysfs-module
index 6272ae5..46bcd2d 100644
--- a/Documentation/ABI/stable/sysfs-module
+++ b/Documentation/ABI/stable/sysfs-module
@@ -32,3 +32,21 @@
 		Note: If the module is built into the kernel, or if the
 		CONFIG_MODULE_UNLOAD kernel configuration value is not enabled,
 		this file will not be present.
+
+What:		/sys/module/MODULENAME/scmversion
+Date:		November 2020
+KernelVersion:	Android Common Kernel -- android12-5.10+
+Contact:	Will McVicker <willmcvicker@google.com>
+Description:	This read-only file will appear if modpost was supplied with an
+		SCM version for the module. It can be enabled with the config
+		MODULE_SCMVERSION. The SCM version is retrieved by
+		scripts/setlocalversion, which means that the presence of this
+		file depends on CONFIG_LOCALVERSION_AUTO=y. When read, the SCM
+		version that the module was compiled with is returned. The SCM
+		version is returned in the following format::
+
+		===
+		Git:		g[a-f0-9]\+(-dirty)\?
+		Mercurial:	hg[a-f0-9]\+(-dirty)\?
+		Subversion:	svn[0-9]\+
+		===
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uac2 b/Documentation/ABI/testing/configfs-usb-gadget-uac2
index d4356c8..26fb8e9 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget-uac2
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uac2
@@ -8,6 +8,8 @@
 		c_chmask   capture channel mask
 		c_srate    capture sampling rate
 		c_ssize    capture sample size (bytes)
+		c_sync     capture synchronization type (async/adaptive)
+		fb_max     maximum extra bandwidth in async mode
 		p_chmask   playback channel mask
 		p_srate    playback sampling rate
 		p_ssize    playback sample size (bytes)
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uvc b/Documentation/ABI/testing/configfs-usb-gadget-uvc
index 4b18139..e980fed 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget-uvc
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uvc
@@ -7,6 +7,7 @@
 		streaming_maxburst	0..15 (ss only)
 		streaming_maxpacket	1..1023 (fs), 1..3072 (hs/ss)
 		streaming_interval	1..16
+		function_name		string [32]
 		===================	=============================
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control
@@ -196,7 +197,7 @@
 					read-only
 		bmaControls		this format's data for bmaControls in
 					the streaming header
-		bmInterfaceFlags	specifies interlace information,
+		bmInterlaceFlags	specifies interlace information,
 					read-only
 		bAspectRatioY		the X dimension of the picture aspect
 					ratio, read-only
@@ -252,7 +253,7 @@
 					read-only
 		bmaControls		this format's data for bmaControls in
 					the streaming header
-		bmInterfaceFlags	specifies interlace information,
+		bmInterlaceFlags	specifies interlace information,
 					read-only
 		bAspectRatioY		the X dimension of the picture aspect
 					ratio, read-only
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x
index 881f0cd..8e53a32f 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x
@@ -371,6 +371,14 @@
 Description:	(Read) Print the content of the Device ID Register
 		(0xFC8).  The value is taken directly from the HW.
 
+What:		/sys/bus/coresight/devices/etm<N>/mgmt/trcdevarch
+Date:		January 2021
+KernelVersion:	5.12
+Contact:	Mathieu Poirier <mathieu.poirier@linaro.org>
+Description:	(Read) Print the content of the Device Architecture Register
+		(offset 0xFBC).  The value is taken directly read
+		from the HW.
+
 What:		/sys/bus/coresight/devices/etm<N>/mgmt/trcdevtype
 Date:		April 2015
 KernelVersion:	4.01
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe b/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe
new file mode 100644
index 0000000..ad3bbc6
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe
@@ -0,0 +1,14 @@
+What:		/sys/bus/coresight/devices/trbe<cpu>/align
+Date:		March 2021
+KernelVersion:	5.13
+Contact:	Anshuman Khandual <anshuman.khandual@arm.com>
+Description:	(Read) Shows the TRBE write pointer alignment. This value
+		is fetched from the TRBIDR register.
+
+What:		/sys/bus/coresight/devices/trbe<cpu>/flag
+Date:		March 2021
+KernelVersion:	5.13
+Contact:	Anshuman Khandual <anshuman.khandual@arm.com>
+Description:	(Read) Shows if TRBE updates in the memory are with access
+		and dirty flag updates as well. This value is fetched from
+		the TRBIDR register.
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index 73eb23bc..2e2f0d9 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -154,6 +154,17 @@
 		files hold a string value (enable or disable) indicating whether
 		or not USB3 hardware LPM U1 or U2 is enabled for the device.
 
+What:		/sys/bus/usb/devices/.../removable
+Date:		February 2012
+Contact:	Matthew Garrett <mjg@redhat.com>
+Description:
+		Some information about whether a given USB device is
+		physically fixed to the platform can be inferred from a
+		combination of hub descriptor bits and platform-specific data
+		such as ACPI. This file will read either "removable" or
+		"fixed" if the information is available, and "unknown"
+		otherwise.
+
 What:		/sys/bus/usb/devices/.../ltm_capable
 Date:		July 2012
 Contact:	Sarah Sharp <sarah.a.sharp@linux.intel.com>
@@ -244,6 +255,27 @@
 		is permitted, "u2" if only u2 is permitted, "u1_u2" if both u1 and
 		u2 are permitted.
 
+What:		/sys/bus/usb/devices/.../<hub_interface>/port<X>/early_stop
+Date:		Sep 2022
+Contact:	Ray Chi <raychi@google.com>
+Description:
+		Some USB hosts have some watchdog mechanisms so that the device
+		may enter ramdump if it takes a long time during port initialization.
+		This attribute allows each port just has two attempts so that the
+		port initialization will be failed quickly. In addition, if a port
+		which is marked with early_stop has failed to initialize, it will ignore
+		all future connections until this attribute is clear.
+
+What:		/sys/bus/usb/devices/.../<hub_interface>/port<X>/state
+Date:		June 2023
+Contact:	Roy Luo <royluo@google.com>
+Description:
+		Indicates current state of the USB device attached to the port.
+		Valid states are: 'not-attached', 'attached', 'powered',
+		'reconnecting', 'unauthenticated', 'default', 'addressed',
+		'configured', and 'suspended'. This file supports poll() to
+		monitor the state change from user space.
+
 What:		/sys/bus/usb/devices/.../power/usb2_lpm_l1_timeout
 Date:		May 2013
 Contact:	Mathias Nyman <mathias.nyman@linux.intel.com>
diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec
index b7794e0..40122d9 100644
--- a/Documentation/ABI/testing/sysfs-class-typec
+++ b/Documentation/ABI/testing/sysfs-class-typec
@@ -105,7 +105,25 @@
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
 Description:
 		Revision number of the supported USB Power Delivery
-		specification, or 0 when USB Power Delivery is not supported.
+		specification, or 0.0 when USB Power Delivery is not supported.
+
+		Example values:
+		- "2.0": USB Power Delivery Release 2.0
+		- "3.0": USB Power Delivery Release 3.0
+		- "3.1": USB Power Delivery Release 3.1
+
+What:		/sys/class/typec/<port>-{partner|cable}/usb_power_delivery_revision
+Date:		January 2021
+Contact:	Benson Leung <bleung@chromium.org>
+Description:
+		Revision number of the supported USB Power Delivery
+		specification of the port partner or cable, or 0.0 when USB
+		Power Delivery is not supported.
+
+		Example values:
+		- "2.0": USB Power Delivery Release 2.0
+		- "3.0": USB Power Delivery Release 3.0
+		- "3.1": USB Power Delivery Release 3.1
 
 What:		/sys/class/typec/<port>/usb_typec_revision
 Date:		April 2017
@@ -139,6 +157,49 @@
 		Shows if the partner supports USB Power Delivery communication:
 		Valid values: yes, no
 
+What:		/sys/class/typec/<port>-partner/number_of_alternate_modes
+Date:		November 2020
+Contact:	Prashant Malani <pmalani@chromium.org>
+Description:
+		Shows the number of alternate modes which are advertised by the partner
+		during Power Delivery discovery. This file remains hidden until a value
+		greater than or equal to 0 is set by Type C port driver.
+
+What:		/sys/class/typec/<port>-partner/type
+Date:		December 2020
+Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
+Description:	USB Power Delivery Specification defines a set of product types
+		for the partner devices. This file will show the product type of
+		the partner if it is known. Dual-role capable partners will have
+		both UFP and DFP product types defined, but only one that
+		matches the current role will be active at the time. If the
+		product type of the partner is not visible to the device driver,
+		this file will not exist.
+
+		When the partner product type is detected, or changed with role
+		swap, uvevent is also raised that contains PRODUCT_TYPE=<product
+		type> (for example PRODUCT_TYPE=hub).
+
+		Valid values:
+
+		UFP / device role
+		======================  ==========================
+		undefined		-
+		hub			PDUSB Hub
+		peripheral		PDUSB Peripheral
+		psd			Power Bank
+		ama			Alternate Mode Adapter
+		======================  ==========================
+
+		DFP / host role
+		======================  ==========================
+		undefined		-
+		hub			PDUSB Hub
+		host			PDUSB Host
+		power_brick		Power Brick
+		amc			Alternate Mode Controller
+		======================  ==========================
+
 What:		/sys/class/typec/<port>-partner>/identity/
 Date:		April 2017
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
@@ -151,31 +212,6 @@
 		directory exists, it will have an attribute file for every VDO
 		in Discover Identity command result.
 
-What:		/sys/class/typec/<port>-partner/identity/id_header
-Date:		April 2017
-Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
-		ID Header VDO part of Discover Identity command result. The
-		value will show 0 until Discover Identity command result becomes
-		available. The value can be polled.
-
-What:		/sys/class/typec/<port>-partner/identity/cert_stat
-Date:		April 2017
-Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
-		Cert Stat VDO part of Discover Identity command result. The
-		value will show 0 until Discover Identity command result becomes
-		available. The value can be polled.
-
-What:		/sys/class/typec/<port>-partner/identity/product
-Date:		April 2017
-Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
-		Product VDO part of Discover Identity command result. The value
-		will show 0 until Discover Identity command result becomes
-		available. The value can be polled.
-
-
 USB Type-C cable devices (eg. /sys/class/typec/port0-cable/)
 
 Note: Electronically Marked Cables will have a device also for one cable plug
@@ -187,9 +223,21 @@
 What:		/sys/class/typec/<port>-cable/type
 Date:		April 2017
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
-		Shows if the cable is active.
-		Valid values: active, passive
+Description:	USB Power Delivery Specification defines a set of product types
+		for the cables. This file will show the product type of the
+		cable if it is known. If the product type of the cable is not
+		visible to the device driver, this file will not exist.
+
+		When the cable product type is detected, uvevent is also raised
+		with PRODUCT_TYPE showing the product type of the cable.
+
+		Valid values:
+
+		======================  ==========================
+		undefined		-
+		active			Active Cable
+		passive			Passive Cable
+		======================  ==========================
 
 What:		/sys/class/typec/<port>-cable/plug_type
 Date:		April 2017
@@ -202,17 +250,37 @@
 		- type-c
 		- captive
 
-What:		/sys/class/typec/<port>-cable/identity/
+What:		/sys/class/typec/<port>-<plug>/number_of_alternate_modes
+Date:		November 2020
+Contact:	Prashant Malani <pmalani@chromium.org>
+Description:
+		Shows the number of alternate modes which are advertised by the plug
+		associated with a particular cable during Power Delivery discovery.
+		This file remains hidden until a value greater than or equal to 0
+		is set by Type C port driver.
+
+
+USB Type-C partner/cable Power Delivery Identity objects
+
+NOTE: The following attributes will be applicable to both
+partner (e.g /sys/class/typec/port0-partner/) and
+cable (e.g /sys/class/typec/port0-cable/) devices. Consequently, the example file
+paths below are prefixed with "/sys/class/typec/<port>-{partner|cable}/" to
+reflect this.
+
+What:		/sys/class/typec/<port>-{partner|cable}/identity/
 Date:		April 2017
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
 Description:
 		This directory appears only if the port device driver is capable
 		of showing the result of Discover Identity USB power delivery
 		command. That will not always be possible even when USB power
-		delivery is supported. If the directory exists, it will have an
-		attribute for every VDO returned by Discover Identity command.
+		delivery is supported, for example when USB power delivery
+		communication for the port is mostly handled in firmware. If the
+		directory exists, it will have an attribute file for every VDO
+		in Discover Identity command result.
 
-What:		/sys/class/typec/<port>-cable/identity/id_header
+What:		/sys/class/typec/<port>-{partner|cable}/identity/id_header
 Date:		April 2017
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
 Description:
@@ -220,7 +288,7 @@
 		value will show 0 until Discover Identity command result becomes
 		available. The value can be polled.
 
-What:		/sys/class/typec/<port>-cable/identity/cert_stat
+What:		/sys/class/typec/<port>-{partner|cable}/identity/cert_stat
 Date:		April 2017
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
 Description:
@@ -228,7 +296,7 @@
 		value will show 0 until Discover Identity command result becomes
 		available. The value can be polled.
 
-What:		/sys/class/typec/<port>-cable/identity/product
+What:		/sys/class/typec/<port>-{partner|cable}/identity/product
 Date:		April 2017
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
 Description:
@@ -236,6 +304,30 @@
 		will show 0 until Discover Identity command result becomes
 		available. The value can be polled.
 
+What:		/sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo1
+Date:		October 2020
+Contact:	Prashant Malani <pmalani@chromium.org>
+Description:
+		1st Product Type VDO of Discover Identity command result.
+		The value will show 0 until Discover Identity command result becomes
+		available and a valid Product Type VDO is returned.
+
+What:		/sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo2
+Date:		October 2020
+Contact:	Prashant Malani <pmalani@chromium.org>
+Description:
+		2nd Product Type VDO of Discover Identity command result.
+		The value will show 0 until Discover Identity command result becomes
+		available and a valid Product Type VDO is returned.
+
+What:		/sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo3
+Date:		October 2020
+Contact:	Prashant Malani <pmalani@chromium.org>
+Description:
+		3rd Product Type VDO of Discover Identity command result.
+		The value will show 0 until Discover Identity command result becomes
+		available and a valid Product Type VDO is returned.
+
 
 USB Type-C port alternate mode devices.
 
diff --git a/Documentation/ABI/testing/sysfs-devices-removable b/Documentation/ABI/testing/sysfs-devices-removable
deleted file mode 100644
index acf7766..0000000
--- a/Documentation/ABI/testing/sysfs-devices-removable
+++ /dev/null
@@ -1,17 +0,0 @@
-What:		/sys/devices/.../removable
-Date:		May 2021
-Contact:	Rajat Jain <rajatxjain@gmail.com>
-Description:
-		Information about whether a given device can be removed from the
-		platform by the	user. This is determined by its subsystem in a
-		bus / platform-specific way. This attribute is only present for
-		devices that can support determining such information:
-
-		"removable": device can be removed from the platform by the user
-		"fixed":     device is fixed to the platform / cannot be removed
-			     by the user.
-		"unknown":   The information is unavailable / cannot be deduced.
-
-		Currently this is only supported by USB (which infers the
-		information from a combination of hub descriptor bits and
-		platform-specific data such as ACPI).
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index bfb4f4f..2827e3c 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -493,6 +493,15 @@
 		'identification' directory exposes the CPU ID registers for
 		identifying model and revision of the CPU.
 
+What:		/sys/devices/system/cpu/aarch32_el0
+Date:		November 2020
+Contact:	Linux ARM Kernel Mailing list <linux-arm-kernel@lists.infradead.org>
+Description:	Identifies the subset of CPUs in the system that can execute
+		AArch32 (32-bit ARM) applications. If present, the same format as
+		/sys/devices/system/cpu/{offline,online,possible,present} is used.
+		If absent, then all or none of the CPUs can execute AArch32
+		applications and execve() will behave accordingly.
+
 What:		/sys/devices/system/cpu/cpu#/cpu_capacity
 Date:		December 2016
 Contact:	Linux kernel mailing list <linux-kernel@vger.kernel.org>
@@ -642,3 +651,21 @@
 
 		This sysfs interface exposes the number of SPURR ticks
 		for cpuX when it was idle.
+
+What: 		/sys/devices/system/cpu/cpuX/mte_tcf_preferred
+Date:		July 2021
+Contact:	Linux ARM Kernel Mailing list <linux-arm-kernel@lists.infradead.org>
+Description:	Preferred MTE tag checking mode
+
+		When a user program specifies more than one MTE tag checking
+		mode, this sysfs node is used to specify which mode should
+		be preferred when running on that CPU. Possible values:
+
+		================  ==============================================
+		"sync"	  	  Prefer synchronous mode
+		"async"	  	  Prefer asynchronous mode
+		================  ==============================================
+
+		Changes to this sysfs node may not take effect immediately.
+
+		See also: Documentation/arm64/memory-tagging-extension.rst
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index adc0d0e..ea6c54a 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -916,21 +916,24 @@
 Contact:	Subhash Jadavani <subhashj@codeaurora.org>
 Description:	This entry could be used to set or show the UFS device
 		runtime power management level. The current driver
-		implementation supports 6 levels with next target states:
+		implementation supports 7 levels with next target states:
 
 		==  ====================================================
-		0   an UFS device will stay active, an UIC link will
+		0   UFS device will stay active, UIC link will
 		    stay active
-		1   an UFS device will stay active, an UIC link will
+		1   UFS device will stay active, UIC link will
 		    hibernate
-		2   an UFS device will moved to sleep, an UIC link will
+		2   UFS device will be moved to sleep, UIC link will
 		    stay active
-		3   an UFS device will moved to sleep, an UIC link will
+		3   UFS device will be moved to sleep, UIC link will
 		    hibernate
-		4   an UFS device will be powered off, an UIC link will
+		4   UFS device will be powered off, UIC link will
 		    hibernate
-		5   an UFS device will be powered off, an UIC link will
+		5   UFS device will be powered off, UIC link will
 		    be powered off
+		6   UFS device will be moved to deep sleep, UIC link
+		will be powered off. Note, deep sleep might not be
+		supported in which case this value will not be accepted
 		==  ====================================================
 
 What:		/sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state
@@ -954,21 +957,24 @@
 Contact:	Subhash Jadavani <subhashj@codeaurora.org>
 Description:	This entry could be used to set or show the UFS device
 		system power management level. The current driver
-		implementation supports 6 levels with next target states:
+		implementation supports 7 levels with next target states:
 
 		==  ====================================================
-		0   an UFS device will stay active, an UIC link will
+		0   UFS device will stay active, UIC link will
 		    stay active
-		1   an UFS device will stay active, an UIC link will
+		1   UFS device will stay active, UIC link will
 		    hibernate
-		2   an UFS device will moved to sleep, an UIC link will
+		2   UFS device will be moved to sleep, UIC link will
 		    stay active
-		3   an UFS device will moved to sleep, an UIC link will
+		3   UFS device will be moved to sleep, UIC link will
 		    hibernate
-		4   an UFS device will be powered off, an UIC link will
+		4   UFS device will be powered off, UIC link will
 		    hibernate
-		5   an UFS device will be powered off, an UIC link will
+		5   UFS device will be powered off, UIC link will
 		    be powered off
+		6   UFS device will be moved to deep sleep, UIC link
+		will be powered off. Note, deep sleep might not be
+		supported in which case this value will not be accepted
 		==  ====================================================
 
 What:		/sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state
@@ -987,6 +993,132 @@
 
 		The file is read only.
 
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/monitor_enable
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the status of performance monitor enablement
+		and it can be used to start/stop the monitor. When the monitor
+		is stopped, the performance data collected is also cleared.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/monitor_chunk_size
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file tells the monitor to focus on requests transferring
+		data of specific chunk size (in Bytes). 0 means any chunk size.
+		It can only be changed when monitor is disabled.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_total_sectors
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows how many sectors (in 512 Bytes) have been
+		sent from device to host after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_total_busy
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows how long (in micro seconds) has been spent
+		sending data from device to host after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_nr_requests
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows how many read requests have been sent after
+		monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_max
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the maximum latency (in micro seconds) of
+		read requests after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_min
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the minimum latency (in micro seconds) of
+		read requests after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_avg
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the average latency (in micro seconds) of
+		read requests after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_sum
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the total latency (in micro seconds) of
+		read requests sent after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_total_sectors
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows how many sectors (in 512 Bytes) have been sent
+		from host to device after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_total_busy
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows how long (in micro seconds) has been spent
+		sending data from host to device after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_nr_requests
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows how many write requests have been sent after
+		monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_max
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the maximum latency (in micro seconds) of write
+		requests after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_min
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the minimum latency (in micro seconds) of write
+		requests after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_avg
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the average latency (in micro seconds) of write
+		requests after monitor gets started.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_sum
+Date:		January 2021
+Contact:	Can Guo <cang@codeaurora.org>
+Description:	This file shows the total latency (in micro seconds) of write
+		requests after monitor gets started.
+
+		The file is read only.
+
 What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_presv_us_en
 Date:		June 2020
 Contact:	Asutosh Das <asutoshd@codeaurora.org>
@@ -1153,3 +1285,239 @@
 		0400h corresponds to 4GB.
 
 		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/hpb_version
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the HPB specification version.
+		The full information about the descriptor could be found at UFS
+		HPB (Host Performance Booster) Extension specifications.
+		Example: version 1.2.3 = 0123h
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/hpb_control
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows an indication of the HPB control mode.
+		00h: Host control mode
+		01h: Device control mode
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_region_size
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the bHPBRegionSize which can be calculated
+		as in the following (in bytes):
+		HPB Region size = 512B * 2^bHPBRegionSize
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_number_lu
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the maximum number of HPB LU supported	by
+		the device.
+		00h: HPB is not supported by the device.
+		01h ~ 20h: Maximum number of HPB LU supported by the device
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_subregion_size
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the bHPBSubRegionSize, which can be
+		calculated as in the following (in bytes) and shall be a multiple of
+		logical block size:
+		HPB Sub-Region size = 512B x 2^bHPBSubRegionSize
+		bHPBSubRegionSize shall not exceed bHPBRegionSize.
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_max_active_regions
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the maximum number of active HPB regions that
+		is supported by the device.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/unit_descriptor/hpb_lu_max_active_regions
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the maximum number of HPB regions assigned to
+		the HPB logical unit.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/unit_descriptor/hpb_pinned_region_start_offset
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the start offset of HPB pinned region.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/unit_descriptor/hpb_number_pinned_regions
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the number of HPB pinned regions assigned to
+		the HPB logical unit.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_stats/hit_cnt
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the number of reads that changed to HPB read.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_stats/miss_cnt
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the number of reads that cannot be changed to
+		HPB read.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_stats/rb_noti_cnt
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the number of response UPIUs that has
+		recommendations for activating sub-regions and/or inactivating region.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_stats/rb_active_cnt
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the number of active sub-regions recommended by
+		response UPIUs.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_stats/rb_inactive_cnt
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the number of inactive regions recommended by
+		response UPIUs.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_stats/map_req_cnt
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the number of read buffer commands for
+		activating sub-regions recommended by response UPIUs.
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_params/requeue_timeout_ms
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the requeue timeout threshold for write buffer
+		command in ms. This value can be changed by writing proper integer to
+		this entry.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/attributes/max_data_size_hpb_single_cmd
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the maximum HPB data size for using single HPB
+		command.
+
+		===  ========
+		00h  4KB
+		01h  8KB
+		02h  12KB
+		...
+		FFh  1024KB
+		===  ========
+
+		The file is read only.
+
+What:		/sys/bus/platform/drivers/ufshcd/*/flags/hpb_enable
+Date:		June 2021
+Contact:	Daejun Park <daejun7.park@samsung.com>
+Description:	This entry shows the status of HPB.
+
+		== ============================
+		0  HPB is not enabled.
+		1  HPB is enabled
+		== ============================
+
+		The file is read only.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/activation_thld
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	In host control mode, reads are the major source of activation
+		trials.  once this threshold hs met, the region is added to the
+		"to-be-activated" list.  Since we reset the read counter upon
+		write, this include sending a rb command updating the region
+		ppn as well.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/normalization_factor
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	In host control mode, We think of the regions as "buckets".
+		Those buckets are being filled with reads, and emptied on write.
+		We use entries_per_srgn - the amount of blocks in a subregion as
+		our bucket size.  This applies because HPB1.0 only concern a
+		single-block reads.  Once the bucket size is crossed, we trigger
+		a normalization work - not only to avoid overflow, but mainly
+		because we want to keep those counters normalized, as we are
+		using those reads as a comparative score, to make various decisions.
+		The normalization is dividing (shift right) the read counter by
+		the normalization_factor. If during consecutive normalizations
+		an active region has exhaust its reads - inactivate it.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/eviction_thld_enter
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	Region deactivation is often due to the fact that eviction took
+		place: a region become active on the expense of another. This is
+		happening when the max-active-regions limit has crossed.
+		In host mode, eviction is considered an extreme measure. We
+		want to verify that the entering region has enough reads, and
+		the exiting region has much less reads.  eviction_thld_enter is
+		the min reads that a region must have in order to be considered
+		as a candidate to evict other region.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/eviction_thld_exit
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	same as above for the exiting region. A region is consider to
+		be a candidate to be evicted, only if it has less reads than
+		eviction_thld_exit.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/read_timeout_ms
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	In order not to hang on to “cold” regions, we shall inactivate
+		a region that has no READ access for a predefined amount of
+		time - read_timeout_ms. If read_timeout_ms has expired, and the
+		region is dirty - it is less likely that we can make any use of
+		HPB-READing it.  So we inactivate it.  Still, deactivation has
+		its overhead, and we may still benefit from HPB-READing this
+		region if it is clean - see read_timeout_expiries.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/read_timeout_expiries
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	if the region read timeout has expired, but the region is clean,
+		just re-wind its timer for another spin.  Do that as long as it
+		is clean and did not exhaust its read_timeout_expiries threshold.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/timeout_polling_interval_ms
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	the frequency in which the delayed worker that checks the
+		read_timeouts is awaken.
+
+What:		/sys/class/scsi_device/*/device/hpb_param_sysfs/inflight_map_req
+Date:		February 2021
+Contact:	Avri Altman <avri.altman@wdc.com>
+Description:	in host control mode the host is the originator of map requests.
+		To not flood the device with map requests, use a simple throttling
+		mechanism that limits the number of inflight map requests.
diff --git a/Documentation/ABI/testing/sysfs-fs-erofs b/Documentation/ABI/testing/sysfs-fs-erofs
new file mode 100644
index 0000000..a951259
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-fs-erofs
@@ -0,0 +1,7 @@
+What:		/sys/fs/erofs/features/
+Date:		November 2021
+Contact:	"Huang Jianan" <huangjianan@oppo.com>
+Description:	Shows all enabled kernel features.
+		Supported features:
+		zero_padding, compr_cfgs, big_pcluster, chunked_file,
+		device_table, compr_head2, sb_chksum.
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 67b3ed8..9b583dd 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -41,8 +41,7 @@
 What:		/sys/fs/f2fs/<disk>/main_blkaddr
 Date:		November 2019
 Contact:	"Ramon Pantin" <pantin@google.com>
-Description:
-		 Shows first block address of MAIN area.
+Description:	Shows first block address of MAIN area.
 
 What:		/sys/fs/f2fs/<disk>/ipu_policy
 Date:		November 2013
@@ -56,8 +55,9 @@
 		0x04  F2FS_IPU_UTIL
 		0x08  F2FS_IPU_SSR_UTIL
 		0x10  F2FS_IPU_FSYNC
-		0x20  F2FS_IPU_ASYNC,
+		0x20  F2FS_IPU_ASYNC
 		0x40  F2FS_IPU_NOCACHE
+		0x80  F2FS_IPU_HONOR_OPU_WRITE
 		====  =================
 
 		Refer segment.h for details.
@@ -99,6 +99,33 @@
 		checkpoint is triggered, and issued during the checkpoint.
 		By default, it is disabled with 0.
 
+What:		/sys/fs/f2fs/<disk>/max_discard_request
+Date:		December 2021
+Contact:	"Konstantin Vyshetsky" <vkon@google.com>
+Description:	Controls the number of discards a thread will issue at a time.
+		Higher number will allow the discard thread to finish its work
+		faster, at the cost of higher latency for incomming I/O.
+
+What:		/sys/fs/f2fs/<disk>/min_discard_issue_time
+Date:		December 2021
+Contact:	"Konstantin Vyshetsky" <vkon@google.com>
+Description:	Controls the interval the discard thread will wait between
+		issuing discard requests when there are discards to be issued and
+		no I/O aware interruptions occur.
+
+What:		/sys/fs/f2fs/<disk>/mid_discard_issue_time
+Date:		December 2021
+Contact:	"Konstantin Vyshetsky" <vkon@google.com>
+Description:	Controls the interval the discard thread will wait between
+		issuing discard requests when there are discards to be issued and
+		an I/O aware interruption occurs.
+
+What:		/sys/fs/f2fs/<disk>/max_discard_issue_time
+Date:		December 2021
+Contact:	"Konstantin Vyshetsky" <vkon@google.com>
+Description:	Controls the interval the discard thread will wait when there are
+		no discard operations to be issued.
+
 What:		/sys/fs/f2fs/<disk>/discard_granularity
 Date:		July 2017
 Contact:	"Chao Yu" <yuchao0@huawei.com>
@@ -113,6 +140,11 @@
 Description:	Set timeout to issue discard commands during umount.
 	        Default: 5 secs
 
+What:		/sys/fs/f2fs/<disk>/pending_discard
+Date:		November 2021
+Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:	Shows the number of pending discard commands in the queue.
+
 What:		/sys/fs/f2fs/<disk>/max_victim_search
 Date:		January 2014
 Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
@@ -203,7 +235,34 @@
 What:		/sys/fs/f2fs/<disk>/features
 Date:		July 2017
 Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
-Description:	Shows all enabled features in current device.
+Description:	<deprecated: should use /sys/fs/f2fs/<disk>/feature_list/
+		Shows all enabled features in current device.
+		Supported features:
+		encryption, blkzoned, extra_attr, projquota, inode_checksum,
+		flexible_inline_xattr, quota_ino, inode_crtime, lost_found,
+		verity, sb_checksum, casefold, readonly, compression, pin_file.
+
+What:		/sys/fs/f2fs/<disk>/feature_list/
+Date:		June 2021
+Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:	Expand /sys/fs/f2fs/<disk>/features to meet sysfs rule.
+		Supported on-disk features:
+		encryption, block_zoned (aka blkzoned), extra_attr,
+		project_quota (aka projquota), inode_checksum,
+		flexible_inline_xattr, quota_ino, inode_crtime, lost_found,
+		verity, sb_checksum, casefold, readonly, compression.
+		Note that, pin_file is moved into /sys/fs/f2fs/features/.
+
+What:		/sys/fs/f2fs/features/
+Date:		July 2017
+Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:	Shows all enabled kernel features.
+		Supported features:
+		encryption, block_zoned, extra_attr, project_quota,
+		inode_checksum, flexible_inline_xattr, quota_ino,
+		inode_crtime, lost_found, verity, sb_checksum,
+		casefold, readonly, compression, test_dummy_encryption_v2,
+		atomic_write, pin_file, encrypted_casefold.
 
 What:		/sys/fs/f2fs/<disk>/inject_rate
 Date:		May 2016
@@ -238,11 +297,16 @@
 What:		/sys/fs/f2fs/<disk>/gc_urgent
 Date:		August 2017
 Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
-Description:	Do background GC agressively when set. When gc_urgent = 1,
-		background thread starts to do GC by given gc_urgent_sleep_time
-		interval. When gc_urgent = 2, F2FS will lower the bar of
-		checking idle in order to process outstanding discard commands
-		and GC a little bit aggressively. It is set to 0 by default.
+Description:	Do background GC aggressively when set. Set to 0 by default.
+		gc urgent high(1): does GC forcibly in a period of given
+		gc_urgent_sleep_time and ignores I/O idling check. uses greedy
+		GC approach and turns SSR mode on.
+		gc urgent low(2): lowers the bar of checking I/O idling in
+		order to process outstanding discard commands and GC a
+		little bit aggressively. uses cost benefit GC approach.
+		gc urgent mid(3): does GC forcibly in a period of given
+		gc_urgent_sleep_time and executes a mid level of I/O idling check.
+		uses cost benefit GC approach.
 
 What:		/sys/fs/f2fs/<disk>/gc_urgent_sleep_time
 Date:		August 2017
@@ -276,7 +340,7 @@
 Contact:	"Daniel Rosenberg" <drosen@google.com>
 Description:	If checkpoint=disable, it displays the number of blocks that
 		are unusable.
-		If checkpoint=enable it displays the enumber of blocks that
+		If checkpoint=enable it displays the number of blocks that
 		would be unusable if checkpoint=disable were to be set.
 
 What:		/sys/fs/f2fs/<disk>/encoding
@@ -370,3 +434,149 @@
 Contact:	"Daeho Jeong" <daehojeong@google.com>
 Description:	Give a way to change iostat_period time. 3secs by default.
 		The new iostat trace gives stats gap given the period.
+What:		/sys/fs/f2fs/<disk>/max_io_bytes
+Date:		December 2020
+Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:	This gives a control to limit the bio size in f2fs.
+		Default is zero, which will follow underlying block layer limit,
+		whereas, if it has a certain bytes value, f2fs won't submit a
+		bio larger than that size.
+
+What:		/sys/fs/f2fs/<disk>/stat/sb_status
+Date:		December 2020
+Contact:	"Chao Yu" <yuchao0@huawei.com>
+Description:	Show status of f2fs superblock in real time.
+
+		====== ===================== =================================
+		value  sb status macro       description
+		0x1    SBI_IS_DIRTY          dirty flag for checkpoint
+		0x2    SBI_IS_CLOSE          specify unmounting
+		0x4    SBI_NEED_FSCK         need fsck.f2fs to fix
+		0x8    SBI_POR_DOING         recovery is doing or not
+		0x10   SBI_NEED_SB_WRITE     need to recover superblock
+		0x20   SBI_NEED_CP           need to checkpoint
+		0x40   SBI_IS_SHUTDOWN       shutdown by ioctl
+		0x80   SBI_IS_RECOVERED      recovered orphan/data
+		0x100  SBI_CP_DISABLED       CP was disabled last mount
+		0x200  SBI_CP_DISABLED_QUICK CP was disabled quickly
+		0x400  SBI_QUOTA_NEED_FLUSH  need to flush quota info in CP
+		0x800  SBI_QUOTA_SKIP_FLUSH  skip flushing quota in current CP
+		0x1000 SBI_QUOTA_NEED_REPAIR quota file may be corrupted
+		0x2000 SBI_IS_RESIZEFS       resizefs is in process
+		0x4000 SBI_IS_FREEZING       freefs is in process
+		====== ===================== =================================
+
+What:		/sys/fs/f2fs/<disk>/ckpt_thread_ioprio
+Date:		January 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	Give a way to change checkpoint merge daemon's io priority.
+		Its default value is "be,3", which means "BE" I/O class and
+		I/O priority "3". We can select the class between "rt" and "be",
+		and set the I/O priority within valid range of it. "," delimiter
+		is necessary in between I/O class and priority number.
+
+What:		/sys/fs/f2fs/<disk>/ovp_segments
+Date:		March 2021
+Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:	Shows the number of overprovision segments.
+
+What:		/sys/fs/f2fs/<disk>/compr_written_block
+Date:		March 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	Show the block count written after compression since mount. Note
+		that when the compressed blocks are deleted, this count doesn't
+		decrease. If you write "0" here, you can initialize
+		compr_written_block and compr_saved_block to "0".
+
+What:		/sys/fs/f2fs/<disk>/compr_saved_block
+Date:		March 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	Show the saved block count with compression since mount. Note
+		that when the compressed blocks are deleted, this count doesn't
+		decrease. If you write "0" here, you can initialize
+		compr_written_block and compr_saved_block to "0".
+
+What:		/sys/fs/f2fs/<disk>/compr_new_inode
+Date:		March 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	Show the count of inode newly enabled for compression since mount.
+		Note that when the compression is disabled for the files, this count
+		doesn't decrease. If you write "0" here, you can initialize
+		compr_new_inode to "0".
+
+What:		/sys/fs/f2fs/<disk>/atgc_candidate_ratio
+Date:		May 2021
+Contact:	"Chao Yu" <yuchao0@huawei.com>
+Description:	When ATGC is on, it controls candidate ratio in order to limit total
+		number of potential victim in all candidates, the value should be in
+		range of [0, 100], by default it was initialized as 20(%).
+
+What:		/sys/fs/f2fs/<disk>/atgc_candidate_count
+Date:		May 2021
+Contact:	"Chao Yu" <yuchao0@huawei.com>
+Description:	When ATGC is on, it controls candidate count in order to limit total
+		number of potential victim in all candidates, by default it was
+		initialized as 10 (sections).
+
+What:		/sys/fs/f2fs/<disk>/atgc_age_weight
+Date:		May 2021
+Contact:	"Chao Yu" <yuchao0@huawei.com>
+Description:	When ATGC is on, it controls age weight to balance weight proportion
+		in between aging and valid blocks, the value should be in range of
+		[0, 100], by default it was initialized as 60(%).
+
+What:		/sys/fs/f2fs/<disk>/atgc_age_threshold
+Date:		May 2021
+Contact:	"Chao Yu" <yuchao0@huawei.com>
+Description:	When ATGC is on, it controls age threshold to bypass GCing young
+		candidates whose age is not beyond the threshold, by default it was
+		initialized as 604800 seconds (equals to 7 days).
+
+What:		/sys/fs/f2fs/<disk>/gc_reclaimed_segments
+Date:		July 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	Show how many segments have been reclaimed by GC during a specific
+		GC mode (0: GC normal, 1: GC idle CB, 2: GC idle greedy,
+		3: GC idle AT, 4: GC urgent high, 5: GC urgent low 6: GC urgent mid)
+		You can re-initialize this value to "0".
+
+What:		/sys/fs/f2fs/<disk>/gc_segment_mode
+Date:		July 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	You can control for which gc mode the "gc_reclaimed_segments" node shows.
+		Refer to the description of the modes in "gc_reclaimed_segments".
+
+What:		/sys/fs/f2fs/<disk>/seq_file_ra_mul
+Date:		July 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	You can	control the multiplier value of	bdi device readahead window size
+		between 2 (default) and 256 for POSIX_FADV_SEQUENTIAL advise option.
+
+What:		/sys/fs/f2fs/<disk>/max_fragment_chunk
+Date:		August 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	With "mode=fragment:block" mount options, we can scatter block allocation.
+		f2fs will allocate 1..<max_fragment_chunk> blocks in a chunk and make a hole
+		in the length of 1..<max_fragment_hole> by turns. This value can be set
+		between 1..512 and the default value is 4.
+
+What:		/sys/fs/f2fs/<disk>/max_fragment_hole
+Date:		August 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	With "mode=fragment:block" mount options, we can scatter block allocation.
+		f2fs will allocate 1..<max_fragment_chunk> blocks in a chunk and make a hole
+		in the length of 1..<max_fragment_hole> by turns. This value can be set
+		between 1..512 and the default value is 4.
+
+What:		/sys/fs/f2fs/<disk>/gc_urgent_high_remaining
+Date:		December 2021
+Contact:	"Daeho Jeong" <daehojeong@google.com>
+Description:	You can set the trial count limit for GC urgent high mode with this value.
+		If GC thread gets to the limit, the mode will turn back to GC normal mode.
+		By default, the value is zero, which means there is no limit like before.
+
+What:		/sys/fs/f2fs/<disk>/max_roll_forward_node_blocks
+Date:		January 2022
+Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:	Controls max # of node block writes to be used for roll forward
+		recovery. This can limit the roll forward recovery time.
diff --git a/Documentation/ABI/testing/sysfs-fs-fuse b/Documentation/ABI/testing/sysfs-fs-fuse
new file mode 100644
index 0000000..b995684
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-fs-fuse
@@ -0,0 +1,19 @@
+What:		/sys/fs/fuse/features/fuse_bpf
+Date:		December 2022
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:
+		Read-only file that contains the word 'supported' if fuse-bpf is
+		supported, does not exist otherwise
+
+What:		/sys/fs/fuse/bpf_prog_type_fuse
+Date:		December 2022
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:
+		bpf_prog_type_fuse defines the program type of bpf programs that
+		may be passed to fuse-bpf. For upstream bpf program types, this
+		is a constant defined in a contiguous array of constants.
+		bpf_prog_type_fuse is appended to the end of the list, so it may
+		change and therefore its value must be read from this file.
+
+		Contents is ASCII decimal representation of bpf_prog_type_fuse
+
diff --git a/Documentation/ABI/testing/sysfs-fs-incfs b/Documentation/ABI/testing/sysfs-fs-incfs
new file mode 100644
index 0000000..e4e05f9
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-fs-incfs
@@ -0,0 +1,70 @@
+What:		/sys/fs/incremental-fs/features/corefs
+Date:		2019
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Reads 'supported'. Always present.
+
+What:		/sys/fs/incremental-fs/features/v2
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Reads 'supported'. Present if all v2 features of incfs are
+		supported.
+
+What:		/sys/fs/incremental-fs/features/zstd
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Reads 'supported'. Present if zstd compression is supported
+		for data blocks.
+
+What:		/sys/fs/incremental-fs/features/bugfix_throttling
+Date:		January 2023
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Reads 'supported'. Present if the throttling lock bug is fixed
+		https://android-review.git.corp.google.com/c/kernel/common/+/2381827
+
+What:		/sys/fs/incremental-fs/instances/[name]
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Folder created when incfs is mounted with the sysfs_name=[name]
+		option. If this option is used, the following values are created
+		in this folder.
+
+What:		/sys/fs/incremental-fs/instances/[name]/reads_delayed_min
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Returns a count of the number of reads that were delayed as a
+		result of the per UID read timeouts min time setting.
+
+What:		/sys/fs/incremental-fs/instances/[name]/reads_delayed_min_us
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Returns total delay time for all files since first mount as a
+		result of the per UID read timeouts min time setting.
+
+What:		/sys/fs/incremental-fs/instances/[name]/reads_delayed_pending
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Returns a count of the number of reads that were delayed as a
+		result of waiting for a pending read.
+
+What:		/sys/fs/incremental-fs/instances/[name]/reads_delayed_pending_us
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Returns total delay time for all files since first mount as a
+		result of waiting for a pending read.
+
+What:		/sys/fs/incremental-fs/instances/[name]/reads_failed_hash_verification
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Returns number of reads that failed because of hash verification
+		failures.
+
+What:		/sys/fs/incremental-fs/instances/[name]/reads_failed_other
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Returns number of reads that failed for reasons other than
+		timing out or hash failures.
+
+What:		/sys/fs/incremental-fs/instances/[name]/reads_failed_timed_out
+Date:		April 2021
+Contact:	Paul Lawrence <paullawrence@google.com>
+Description:	Returns number of reads that timed out.
diff --git a/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers b/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers
new file mode 100644
index 0000000..122185c
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers
@@ -0,0 +1,24 @@
+What:		/sys/kernel/dmabuf/buffers
+Date:		January 2021
+KernelVersion:	v5.12
+Contact:	Hridya Valsaraju <hridya@google.com>
+Description:	The /sys/kernel/dmabuf/buffers directory contains a
+		snapshot of the internal state of every DMA-BUF.
+		/sys/kernel/dmabuf/buffers/<inode_number> will contain the
+		statistics for the DMA-BUF with the unique inode number
+		<inode_number>
+Users:		kernel memory tuning/debugging tools
+
+What:		/sys/kernel/dmabuf/buffers/<inode_number>/exporter_name
+Date:		January 2021
+KernelVersion:	v5.12
+Contact:	Hridya Valsaraju <hridya@google.com>
+Description:	This file is read-only and contains the name of the exporter of
+		the DMA-BUF.
+
+What:		/sys/kernel/dmabuf/buffers/<inode_number>/size
+Date:		January 2021
+KernelVersion:	v5.12
+Contact:	Hridya Valsaraju <hridya@google.com>
+Description:	This file is read-only and specifies the size of the DMA-BUF in
+		bytes.
diff --git a/Documentation/ABI/testing/sysfs-kernel-dmaheap b/Documentation/ABI/testing/sysfs-kernel-dmaheap
new file mode 100644
index 0000000..f496181
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-dmaheap
@@ -0,0 +1,7 @@
+What:		/sys/kernel/dma_heap/total_pools_kb
+Date:		Feb 2021
+KernelVersion:	5.10
+Contact:	Hridya Valsaraju <hridya@google.com>,
+Description:
+		The total_pools_kb file is read-only and specifies how much
+		memory in Kb is allocated to DMA-BUF heap pools.
diff --git a/Documentation/ABI/testing/sysfs-kernel-ion b/Documentation/ABI/testing/sysfs-kernel-ion
new file mode 100644
index 0000000..f57f970
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-ion
@@ -0,0 +1,27 @@
+What:		/sys/kernel/ion
+Date:		Dec 2019
+KernelVersion:	4.14.158
+Contact:	Suren Baghdasaryan <surenb@google.com>,
+		Sandeep Patil <sspatil@google.com>
+Description:
+		The /sys/kernel/ion directory contains a snapshot of the
+		internal state of ION memory heaps and pools.
+Users:		kernel memory tuning tools
+
+What:		/sys/kernel/ion/total_heaps_kb
+Date:		Dec 2019
+KernelVersion:	4.14.158
+Contact:	Suren Baghdasaryan <surenb@google.com>,
+		Sandeep Patil <sspatil@google.com>
+Description:
+		The total_heaps_kb file is read-only and specifies how much
+		memory in Kb is allocated to ION heaps.
+
+What:		/sys/kernel/ion/total_pools_kb
+Date:		Dec 2019
+KernelVersion:	4.14.158
+Contact:	Suren Baghdasaryan <surenb@google.com>,
+		Sandeep Patil <sspatil@google.com>
+Description:
+		The total_pools_kb file is read-only and specifies how much
+		memory in Kb is allocated to ION pools.
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-cma b/Documentation/ABI/testing/sysfs-kernel-mm-cma
new file mode 100644
index 0000000..02b2bb6
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-cma
@@ -0,0 +1,25 @@
+What:		/sys/kernel/mm/cma/
+Date:		Feb 2021
+Contact:	Minchan Kim <minchan@kernel.org>
+Description:
+		/sys/kernel/mm/cma/ contains a subdirectory for each CMA
+		heap name (also sometimes called CMA areas).
+
+		Each CMA heap subdirectory (that is, each
+		/sys/kernel/mm/cma/<cma-heap-name> directory) contains the
+		following items:
+
+			alloc_pages_success
+			alloc_pages_fail
+
+What:		/sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_success
+Date:		Feb 2021
+Contact:	Minchan Kim <minchan@kernel.org>
+Description:
+		the number of pages CMA API succeeded to allocate
+
+What:		/sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_fail
+Date:		Feb 2021
+Contact:	Minchan Kim <minchan@kernel.org>
+Description:
+		the number of pages CMA API failed to allocate
diff --git a/Documentation/ABI/testing/sysfs-kernel-wakeup_reasons b/Documentation/ABI/testing/sysfs-kernel-wakeup_reasons
new file mode 100644
index 0000000..acb19b9
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-wakeup_reasons
@@ -0,0 +1,16 @@
+What:		/sys/kernel/wakeup_reasons/last_resume_reason
+Date:		February 2014
+Contact:	Ruchi Kandoi <kandoiruchi@google.com>
+Description:
+		The /sys/kernel/wakeup_reasons/last_resume_reason is
+		used to report wakeup reasons after system exited suspend.
+
+What:		/sys/kernel/wakeup_reasons/last_suspend_time
+Date:		March 2015
+Contact:	jinqian <jinqian@google.com>
+Description:
+		The /sys/kernel/wakeup_reasons/last_suspend_time is
+		used to report time spent in last suspend cycle. It contains
+		two numbers (in seconds) separated by space. First number is
+		the time spent in suspend and resume processes. Second number
+		is the time spent in sleep state.
\ No newline at end of file
diff --git a/Documentation/admin-guide/binderfs.rst b/Documentation/admin-guide/binderfs.rst
index 8243af9..9919879 100644
--- a/Documentation/admin-guide/binderfs.rst
+++ b/Documentation/admin-guide/binderfs.rst
@@ -72,3 +72,16 @@
 ``binder-control`` device cannot be deleted since this would make the binderfs
 instance unuseable.  The ``binder-control`` device will be deleted when the
 binderfs instance is unmounted and all references to it have been dropped.
+
+Binder features
+---------------
+
+Assuming an instance of binderfs has been mounted at ``/dev/binderfs``, the
+features supported by the binder driver can be located under
+``/dev/binderfs/features/``. The presence of individual files can be tested
+to determine whether a particular feature is supported by the driver.
+
+Example::
+
+        cat /dev/binderfs/features/oneway_spam_detection
+        1
diff --git a/Documentation/admin-guide/blockdev/zram.rst b/Documentation/admin-guide/blockdev/zram.rst
index a6fd1f9..8f3cfa4 100644
--- a/Documentation/admin-guide/blockdev/zram.rst
+++ b/Documentation/admin-guide/blockdev/zram.rst
@@ -334,6 +334,11 @@
 
 With the command, zram writeback idle pages from memory to the storage.
 
+If admin want to write a specific page in zram device to backing device,
+they could write a page index into the interface.
+
+	echo "page_index=1251" > /sys/block/zramX/writeback
+
 If there are lots of write IO with flash device, potentially, it has
 flash wearout problem so that admin needs to design write limitation
 to guarantee storage health for entire product life.
diff --git a/Documentation/admin-guide/bootconfig.rst b/Documentation/admin-guide/bootconfig.rst
index 9b90efc..2400b1e 100644
--- a/Documentation/admin-guide/bootconfig.rst
+++ b/Documentation/admin-guide/bootconfig.rst
@@ -89,13 +89,35 @@
 
 In this case, the key ``foo`` has ``bar``, ``baz`` and ``qux``.
 
-However, a sub-key and a value can not co-exist under a parent key.
-For example, following config is NOT allowed.::
+Moreover, sub-keys and a value can coexist under a parent key.
+For example, following config is allowed.::
 
  foo = value1
- foo.bar = value2 # !ERROR! subkey "bar" and value "value1" can NOT co-exist
- foo.bar := value2 # !ERROR! even with the override operator, this is NOT allowed.
+ foo.bar = value2
+ foo := value3 # This will update foo's value.
 
+Note, since there is no syntax to put a raw value directly under a
+structured key, you have to define it outside of the brace. For example::
+
+ foo {
+     bar = value1
+     bar {
+         baz = value2
+         qux = value3
+     }
+ }
+
+Also, the order of the value node under a key is fixed. If there
+are a value and subkeys, the value is always the first child node
+of the key. Thus if user specifies subkeys first, e.g.::
+
+ foo.bar = value1
+ foo = value2
+
+In the program (and /proc/bootconfig), it will be shown as below::
+
+ foo = value2
+ foo.bar = value1
 
 Comments
 --------
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 608d7c2..540ee6d 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -54,6 +54,7 @@
        5-3-3. IO Latency
          5-3-3-1. How IO Latency Throttling Works
          5-3-3-2. IO Latency Interface Files
+       5-3-4. IO Priority
      5-4. PID
        5-4-1. PID Interface Files
      5-5. Cpuset
@@ -1848,6 +1849,60 @@
 		duration of time between evaluation events.  Windows only elapse
 		with IO activity.  Idle periods extend the most recent window.
 
+IO Priority
+~~~~~~~~~~~
+
+A single attribute controls the behavior of the I/O priority cgroup policy,
+namely the blkio.prio.class attribute. The following values are accepted for
+that attribute:
+
+  no-change
+	Do not modify the I/O priority class.
+
+  none-to-rt
+	For requests that do not have an I/O priority class (NONE),
+	change the I/O priority class into RT. Do not modify
+	the I/O priority class of other requests.
+
+  restrict-to-be
+	For requests that do not have an I/O priority class or that have I/O
+	priority class RT, change it into BE. Do not modify the I/O priority
+	class of requests that have priority class IDLE.
+
+  idle
+	Change the I/O priority class of all requests into IDLE, the lowest
+	I/O priority class.
+
+The following numerical values are associated with the I/O priority policies:
+
++-------------+---+
+| no-change   | 0 |
++-------------+---+
+| none-to-rt  | 1 |
++-------------+---+
+| rt-to-be    | 2 |
++-------------+---+
+| all-to-idle | 3 |
++-------------+---+
+
+The numerical value that corresponds to each I/O priority class is as follows:
+
++-------------------------------+---+
+| IOPRIO_CLASS_NONE             | 0 |
++-------------------------------+---+
+| IOPRIO_CLASS_RT (real-time)   | 1 |
++-------------------------------+---+
+| IOPRIO_CLASS_BE (best effort) | 2 |
++-------------------------------+---+
+| IOPRIO_CLASS_IDLE             | 3 |
++-------------------------------+---+
+
+The algorithm to set the I/O priority class for a request is as follows:
+
+- Translate the I/O priority class policy into a number.
+- Change the request I/O priority class into the maximum of the I/O priority
+  class policy number and the numerical I/O priority class.
+
 PID
 ---
 
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index f1f7c06..5085dd3 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -289,6 +289,20 @@
 			do not want to use tracing_snapshot_alloc() as it needs
 			to be done where GFP_KERNEL allocations are allowed.
 
+	allow_file_spec_access
+			Allow speculative faults on file backed pages.
+			Speculative faults are enabled only for those vm_ops
+			that implement and return true for allow_speculation
+			callback.
+
+	allow_mismatched_32bit_el0 [ARM64]
+			Allow execve() of 32-bit applications and setting of the
+			PER_LINUX32 personality on systems where only a strict
+			subset of the CPUs support 32-bit EL0. When this
+			parameter is present, the set of CPUs supporting 32-bit
+			EL0 is indicated by /sys/devices/system/cpu/aarch32_el0
+			and hot-unplug operations may be restricted.
+
 	amd_iommu=	[HW,X86-64]
 			Pass parameters to the AMD IOMMU driver in the system.
 			Possible values are:
@@ -373,6 +387,15 @@
 	arcrimi=	[HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards
 			Format: <io>,<irq>,<nodeID>
 
+	arm64.nobti	[ARM64] Unconditionally disable Branch Target
+			Identification support
+
+	arm64.nopauth	[ARM64] Unconditionally disable Pointer Authentication
+			support
+
+	arm64.nomte	[ARM64] Unconditionally disable Memory Tagging Extension
+			support
+
 	ataflop=	[HW,M68k]
 
 	atarimouse=	[HW,MOUSE] Atari Mouse
@@ -493,16 +516,21 @@
 	ccw_timeout_log	[S390]
 			See Documentation/s390/common_io.rst for details.
 
-	cgroup_disable=	[KNL] Disable a particular controller
-			Format: {name of the controller(s) to disable}
+	cgroup_disable=	[KNL] Disable a particular controller or optional feature
+			Format: {name of the controller(s) or feature(s) to disable}
 			The effects of cgroup_disable=foo are:
 			- foo isn't auto-mounted if you mount all cgroups in
 			  a single hierarchy
 			- foo isn't visible as an individually mountable
 			  subsystem
+			- if foo is an optional feature then the feature is
+			  disabled and corresponding cgroup files are not
+			  created
 			{Currently only "memory" controller deal with this and
 			cut the overhead, others just disable the usage. So
 			only cgroup_disable=memory is actually worthy}
+			Specifying "pressure" disables per-cgroup pressure
+			stall information accounting feature
 
 	cgroup_no_v1=	[KNL] Disable cgroup controllers and named hierarchies in v1
 			Format: { { controller | "all" | "named" }
@@ -907,6 +935,10 @@
 			can be useful when debugging issues that require an SLB
 			miss to occur.
 
+	disable_dma32=	[KNL]
+			Dynamically disable ZONE_DMA32 on kernels compiled with
+			CONFIG_ZONE_DMA32=y.
+
 	stress_slb	[PPC]
 			Limits the number of kernel SLB entries, and flushes
 			them frequently to increase the rate of SLB faults
@@ -1435,6 +1467,11 @@
 				to enforce probe and suspend/resume ordering.
 			rpm --	Like "on", but also use to order runtime PM.
 
+	fw_devlink.strict=<bool>
+			[KNL] Treat all inferred dependencies as mandatory
+			dependencies. This only applies for fw_devlink=on|rpm.
+			Format: <bool>
+
 	gamecon.map[2|3]=
 			[HW,JOY] Multisystem joystick and NES/SNES/PSX pad
 			support via parallel port (up to 5 devices per port)
@@ -1589,6 +1626,10 @@
 				If specified, z/VM IUCV HVC accepts connections
 				from listed z/VM user IDs only.
 
+	hvc_dcc.enable=	[ARM,ARM64]	Enable DCC driver at runtime. For GKI,
+				disabled at runtime by default to prevent
+				crashes in devices which do not support DCC.
+
 	hv_nopvspin	[X86,HYPER_V] Disables the paravirt spinlock optimizations
 				      which allow the hypervisor to 'idle' the
 				      guest on lock contention.
@@ -1997,6 +2038,9 @@
 			1 - Bypass the IOMMU for DMA.
 			unset - Use value of CONFIG_IOMMU_DEFAULT_PASSTHROUGH.
 
+	ioremap_guard	[ARM64] enable the KVM MMIO guard functionality
+			if available.
+
 	io7=		[HW] IO7 for Marvel-based Alpha systems
 			See comment before marvel_specify_io7 in
 			arch/alpha/kernel/core_marvel.c.
@@ -2316,6 +2360,21 @@
 			for all guests.
 			Default is 1 (enabled) if in 64-bit or 32-bit PAE mode.
 
+	kvm-arm.mode=
+			[KVM,ARM] Select one of KVM/arm64's modes of operation.
+
+			none: Forcefully disable KVM.
+
+			nvhe: Standard nVHE-based mode, without support for
+			      protected guests.
+
+			protected: nVHE-based mode with support for guests whose
+				   state is kept private from the host.
+
+			Defaults to VHE/nVHE based on hardware support. Setting
+			mode to "protected" will disable kexec and hibernation
+			for the host.
+
 	kvm-arm.vgic_v3_group0_trap=
 			[KVM,ARM] Trap guest accesses to GICv3 group-0
 			system registers
@@ -3040,6 +3099,26 @@
 			firmware feature for updating multiple TCE entries
 			at a time.
 
+	kswapd_per_node=
+			kswapd_per_node allows you to control the number of kswapd threads
+			running on the system. This provides the ability to devote additional
+			CPU resources toward proactive page replacement with the goal of
+			reducing direct reclaims. When direct reclaims are prevented, the CPU
+			consumed by them is prevented as well. Depending on the workload, the
+			result can cause aggregate CPU usage on the system to go up, down or
+			stay the same.
+
+			More aggressive page replacement can reduce direct reclaims which
+			cause latency for tasks and decrease throughput when doing filesystem
+			IO through the pagecache. Direct reclaims are recorded using the
+			allocstall counter in /proc/vmstat.
+
+			The range of acceptible values are 1-16. Always start with lower
+			values in the 2-6 range. Higher values should be justified with
+			testing. If direct reclaims occur in spite of high values, the cost
+			of direct reclaims (in latency) that occur can be higher due to
+			increased lock contention.
+
 	onenand.bdry=	[HW,MTD] Flex-OneNAND Boundary Configuration
 
 			Format: [die0_boundary][,die0_lock][,die1_boundary][,die1_lock]
@@ -3376,6 +3455,20 @@
 			in certain environments such as networked servers or
 			real-time systems.
 
+	no_hash_pointers
+			Force pointers printed to the console or buffers to be
+			unhashed.  By default, when a pointer is printed via %p
+			format string, that pointer is "hashed", i.e. obscured
+			by hashing the pointer value.  This is a security feature
+			that hides actual kernel addresses from unprivileged
+			users, but it also makes debugging the kernel more
+			difficult since unequal pointers can no longer be
+			compared.  However, if this command-line option is
+			specified, then all normal pointers will have their true
+			value printed. This option should only be specified when
+			debugging the kernel.  Please do not use on production
+			kernels.
+
 	nohibernate	[HIBERNATION] Disable hibernation and resume.
 
 	nohz=		[KNL] Boottime enable/disable dynamic ticks
@@ -3624,6 +3717,12 @@
 	panic_on_warn	panic() instead of WARN().  Useful to cause kdump
 			on a WARN().
 
+	pelt=		[KNL] Boot-time parameter changing the PELT half life in ms
+			Format: <int>
+			32: Set the half life to 32ms
+			8: Set the half life to 8ms
+			default: 32
+
 	crash_kexec_post_notifiers
 			Run kdump after running panic-notifiers and dumping
 			kmsg. This only for the users who doubt kdump always
@@ -5292,6 +5391,12 @@
 			growing up) the main stack are reserved for no other
 			mapping. Default value is 256 pages.
 
+	stack_depot_disable= [KNL]
+			Setting this to true through kernel command line will
+			disable the stack depot thereby saving the static memory
+			consumed by the stack hash table. By default this is set
+			to false.
+
 	stacktrace	[FTRACE]
 			Enabled the stack tracer on boot up.
 
diff --git a/Documentation/admin-guide/mm/index.rst b/Documentation/admin-guide/mm/index.rst
index cd727cf..2a2b5bd 100644
--- a/Documentation/admin-guide/mm/index.rst
+++ b/Documentation/admin-guide/mm/index.rst
@@ -31,6 +31,7 @@
    idle_page_tracking
    ksm
    memory-hotplug
+   multigen_lru
    nommu-mmap
    numa_memory_policy
    numaperf
diff --git a/Documentation/admin-guide/mm/multigen_lru.rst b/Documentation/admin-guide/mm/multigen_lru.rst
new file mode 100644
index 0000000..33e0688
--- /dev/null
+++ b/Documentation/admin-guide/mm/multigen_lru.rst
@@ -0,0 +1,162 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============
+Multi-Gen LRU
+=============
+The multi-gen LRU is an alternative LRU implementation that optimizes
+page reclaim and improves performance under memory pressure. Page
+reclaim decides the kernel's caching policy and ability to overcommit
+memory. It directly impacts the kswapd CPU usage and RAM efficiency.
+
+Quick start
+===========
+Build the kernel with the following configurations.
+
+* ``CONFIG_LRU_GEN=y``
+* ``CONFIG_LRU_GEN_ENABLED=y``
+
+All set!
+
+Runtime options
+===============
+``/sys/kernel/mm/lru_gen/`` contains stable ABIs described in the
+following subsections.
+
+Kill switch
+-----------
+``enabled`` accepts different values to enable or disable the
+following components. Its default value depends on
+``CONFIG_LRU_GEN_ENABLED``. All the components should be enabled
+unless some of them have unforeseen side effects. Writing to
+``enabled`` has no effect when a component is not supported by the
+hardware, and valid values will be accepted even when the main switch
+is off.
+
+====== ===============================================================
+Values Components
+====== ===============================================================
+0x0001 The main switch for the multi-gen LRU.
+0x0002 Clearing the accessed bit in leaf page table entries in large
+       batches, when MMU sets it (e.g., on x86). This behavior can
+       theoretically worsen lock contention (mmap_lock). If it is
+       disabled, the multi-gen LRU will suffer a minor performance
+       degradation for workloads that contiguously map hot pages,
+       whose accessed bits can be otherwise cleared by fewer larger
+       batches.
+0x0004 Clearing the accessed bit in non-leaf page table entries as
+       well, when MMU sets it (e.g., on x86). This behavior was not
+       verified on x86 varieties other than Intel and AMD. If it is
+       disabled, the multi-gen LRU will suffer a negligible
+       performance degradation.
+[yYnN] Apply to all the components above.
+====== ===============================================================
+
+E.g.,
+::
+
+    echo y >/sys/kernel/mm/lru_gen/enabled
+    cat /sys/kernel/mm/lru_gen/enabled
+    0x0007
+    echo 5 >/sys/kernel/mm/lru_gen/enabled
+    cat /sys/kernel/mm/lru_gen/enabled
+    0x0005
+
+Thrashing prevention
+--------------------
+Personal computers are more sensitive to thrashing because it can
+cause janks (lags when rendering UI) and negatively impact user
+experience. The multi-gen LRU offers thrashing prevention to the
+majority of laptop and desktop users who do not have ``oomd``.
+
+Users can write ``N`` to ``min_ttl_ms`` to prevent the working set of
+``N`` milliseconds from getting evicted. The OOM killer is triggered
+if this working set cannot be kept in memory. In other words, this
+option works as an adjustable pressure relief valve, and when open, it
+terminates applications that are hopefully not being used.
+
+Based on the average human detectable lag (~100ms), ``N=1000`` usually
+eliminates intolerable janks due to thrashing. Larger values like
+``N=3000`` make janks less noticeable at the risk of premature OOM
+kills.
+
+The default value ``0`` means disabled.
+
+Experimental features
+=====================
+``/sys/kernel/debug/lru_gen`` accepts commands described in the
+following subsections. Multiple command lines are supported, so does
+concatenation with delimiters ``,`` and ``;``.
+
+``/sys/kernel/debug/lru_gen_full`` provides additional stats for
+debugging. ``CONFIG_LRU_GEN_STATS=y`` keeps historical stats from
+evicted generations in this file.
+
+Working set estimation
+----------------------
+Working set estimation measures how much memory an application needs
+in a given time interval, and it is usually done with little impact on
+the performance of the application. E.g., data centers want to
+optimize job scheduling (bin packing) to improve memory utilizations.
+When a new job comes in, the job scheduler needs to find out whether
+each server it manages can allocate a certain amount of memory for
+this new job before it can pick a candidate. To do so, the job
+scheduler needs to estimate the working sets of the existing jobs.
+
+When it is read, ``lru_gen`` returns a histogram of numbers of pages
+accessed over different time intervals for each memcg and node.
+``MAX_NR_GENS`` decides the number of bins for each histogram. The
+histograms are noncumulative.
+::
+
+    memcg  memcg_id  memcg_path
+       node  node_id
+           min_gen_nr  age_in_ms  nr_anon_pages  nr_file_pages
+           ...
+           max_gen_nr  age_in_ms  nr_anon_pages  nr_file_pages
+
+Each bin contains an estimated number of pages that have been accessed
+within ``age_in_ms``. E.g., ``min_gen_nr`` contains the coldest pages
+and ``max_gen_nr`` contains the hottest pages, since ``age_in_ms`` of
+the former is the largest and that of the latter is the smallest.
+
+Users can write the following command to ``lru_gen`` to create a new
+generation ``max_gen_nr+1``:
+
+    ``+ memcg_id node_id max_gen_nr [can_swap [force_scan]]``
+
+``can_swap`` defaults to the swap setting and, if it is set to ``1``,
+it forces the scan of anon pages when swap is off, and vice versa.
+``force_scan`` defaults to ``1`` and, if it is set to ``0``, it
+employs heuristics to reduce the overhead, which is likely to reduce
+the coverage as well.
+
+A typical use case is that a job scheduler runs this command at a
+certain time interval to create new generations, and it ranks the
+servers it manages based on the sizes of their cold pages defined by
+this time interval.
+
+Proactive reclaim
+-----------------
+Proactive reclaim induces page reclaim when there is no memory
+pressure. It usually targets cold pages only. E.g., when a new job
+comes in, the job scheduler wants to proactively reclaim cold pages on
+the server it selected, to improve the chance of successfully landing
+this new job.
+
+Users can write the following command to ``lru_gen`` to evict
+generations less than or equal to ``min_gen_nr``.
+
+    ``- memcg_id node_id min_gen_nr [swappiness [nr_to_reclaim]]``
+
+``min_gen_nr`` should be less than ``max_gen_nr-1``, since
+``max_gen_nr`` and ``max_gen_nr-1`` are not fully aged (equivalent to
+the active list) and therefore cannot be evicted. ``swappiness``
+overrides the default value in ``/proc/sys/vm/swappiness``.
+``nr_to_reclaim`` limits the number of pages to evict.
+
+A typical use case is that a job scheduler runs this command before it
+tries to land a new job on a server. If it fails to materialize enough
+cold pages because of the overestimation, it retries on the next
+server according to the ranking result obtained from the working set
+estimation step. This less forceful approach limits the impacts on the
+existing jobs.
diff --git a/Documentation/admin-guide/mm/userfaultfd.rst b/Documentation/admin-guide/mm/userfaultfd.rst
index 1dc2d5f..65280360 100644
--- a/Documentation/admin-guide/mm/userfaultfd.rst
+++ b/Documentation/admin-guide/mm/userfaultfd.rst
@@ -63,36 +63,37 @@
 
 The ``uffdio_api.features`` bitmask returned by the ``UFFDIO_API`` ioctl
 defines what memory types are supported by the ``userfaultfd`` and what
-events, except page fault notifications, may be generated.
+events, except page fault notifications, may be generated:
 
-If the kernel supports registering ``userfaultfd`` ranges on hugetlbfs
-virtual memory areas, ``UFFD_FEATURE_MISSING_HUGETLBFS`` will be set in
-``uffdio_api.features``. Similarly, ``UFFD_FEATURE_MISSING_SHMEM`` will be
-set if the kernel supports registering ``userfaultfd`` ranges on shared
-memory (covering all shmem APIs, i.e. tmpfs, ``IPCSHM``, ``/dev/zero``,
-``MAP_SHARED``, ``memfd_create``, etc).
+- The ``UFFD_FEATURE_EVENT_*`` flags indicate that various other events
+  other than page faults are supported. These events are described in more
+  detail below in the `Non-cooperative userfaultfd`_ section.
 
-The userland application that wants to use ``userfaultfd`` with hugetlbfs
-or shared memory need to set the corresponding flag in
-``uffdio_api.features`` to enable those features.
+- ``UFFD_FEATURE_MISSING_HUGETLBFS`` and ``UFFD_FEATURE_MISSING_SHMEM``
+  indicate that the kernel supports ``UFFDIO_REGISTER_MODE_MISSING``
+  registrations for hugetlbfs and shared memory (covering all shmem APIs,
+  i.e. tmpfs, ``IPCSHM``, ``/dev/zero``, ``MAP_SHARED``, ``memfd_create``,
+  etc) virtual memory areas, respectively.
 
-If the userland desires to receive notifications for events other than
-page faults, it has to verify that ``uffdio_api.features`` has appropriate
-``UFFD_FEATURE_EVENT_*`` bits set. These events are described in more
-detail below in `Non-cooperative userfaultfd`_ section.
+- ``UFFD_FEATURE_MINOR_HUGETLBFS`` indicates that the kernel supports
+  ``UFFDIO_REGISTER_MODE_MINOR`` registration for hugetlbfs virtual memory
+  areas. ``UFFD_FEATURE_MINOR_SHMEM`` is the analogous feature indicating
+  support for shmem virtual memory areas.
 
-Once the ``userfaultfd`` has been enabled the ``UFFDIO_REGISTER`` ioctl should
-be invoked (if present in the returned ``uffdio_api.ioctls`` bitmask) to
-register a memory range in the ``userfaultfd`` by setting the
+The userland application should set the feature flags it intends to use
+when invoking the ``UFFDIO_API`` ioctl, to request that those features be
+enabled if supported.
+
+Once the ``userfaultfd`` API has been enabled the ``UFFDIO_REGISTER``
+ioctl should be invoked (if present in the returned ``uffdio_api.ioctls``
+bitmask) to register a memory range in the ``userfaultfd`` by setting the
 uffdio_register structure accordingly. The ``uffdio_register.mode``
 bitmask will specify to the kernel which kind of faults to track for
-the range (``UFFDIO_REGISTER_MODE_MISSING`` would track missing
-pages). The ``UFFDIO_REGISTER`` ioctl will return the
+the range. The ``UFFDIO_REGISTER`` ioctl will return the
 ``uffdio_register.ioctls`` bitmask of ioctls that are suitable to resolve
 userfaults on the range registered. Not all ioctls will necessarily be
-supported for all memory types depending on the underlying virtual
-memory backend (anonymous memory vs tmpfs vs real filebacked
-mappings).
+supported for all memory types (e.g. anonymous memory vs. shmem vs.
+hugetlbfs), or all types of intercepted faults.
 
 Userland can use the ``uffdio_register.ioctls`` to manage the virtual
 address space in the background (to add or potentially also remove
@@ -100,21 +101,46 @@
 could be triggering just before userland maps in the background the
 user-faulted page.
 
-The primary ioctl to resolve userfaults is ``UFFDIO_COPY``. That
-atomically copies a page into the userfault registered range and wakes
-up the blocked userfaults
-(unless ``uffdio_copy.mode & UFFDIO_COPY_MODE_DONTWAKE`` is set).
-Other ioctl works similarly to ``UFFDIO_COPY``. They're atomic as in
-guaranteeing that nothing can see an half copied page since it'll
-keep userfaulting until the copy has finished.
+Resolving Userfaults
+--------------------
+
+There are three basic ways to resolve userfaults:
+
+- ``UFFDIO_COPY`` atomically copies some existing page contents from
+  userspace.
+
+- ``UFFDIO_ZEROPAGE`` atomically zeros the new page.
+
+- ``UFFDIO_CONTINUE`` maps an existing, previously-populated page.
+
+These operations are atomic in the sense that they guarantee nothing can
+see a half-populated page, since readers will keep userfaulting until the
+operation has finished.
+
+By default, these wake up userfaults blocked on the range in question.
+They support a ``UFFDIO_*_MODE_DONTWAKE`` ``mode`` flag, which indicates
+that waking will be done separately at some later time.
+
+Which ioctl to choose depends on the kind of page fault, and what we'd
+like to do to resolve it:
+
+- For ``UFFDIO_REGISTER_MODE_MISSING`` faults, the fault needs to be
+  resolved by either providing a new page (``UFFDIO_COPY``), or mapping
+  the zero page (``UFFDIO_ZEROPAGE``). By default, the kernel would map
+  the zero page for a missing fault. With userfaultfd, userspace can
+  decide what content to provide before the faulting thread continues.
+
+- For ``UFFDIO_REGISTER_MODE_MINOR`` faults, there is an existing page (in
+  the page cache). Userspace has the option of modifying the page's
+  contents before resolving the fault. Once the contents are correct
+  (modified or not), userspace asks the kernel to map the page and let the
+  faulting thread continue with ``UFFDIO_CONTINUE``.
 
 Notes:
 
-- If you requested ``UFFDIO_REGISTER_MODE_MISSING`` when registering then
-  you must provide some kind of page in your thread after reading from
-  the uffd.  You must provide either ``UFFDIO_COPY`` or ``UFFDIO_ZEROPAGE``.
-  The normal behavior of the OS automatically providing a zero page on
-  an annonymous mmaping is not in place.
+- You can tell which kind of fault occurred by examining
+  ``pagefault.flags`` within the ``uffd_msg``, checking for the
+  ``UFFD_PAGEFAULT_FLAG_*`` flags.
 
 - None of the page-delivering ioctls default to the range that you
   registered with.  You must fill in all fields for the appropriate
@@ -122,9 +148,9 @@
 
 - You get the address of the access that triggered the missing page
   event out of a struct uffd_msg that you read in the thread from the
-  uffd.  You can supply as many pages as you want with ``UFFDIO_COPY`` or
-  ``UFFDIO_ZEROPAGE``.  Keep in mind that unless you used DONTWAKE then
-  the first of any of those IOCTLs wakes up the faulting thread.
+  uffd.  You can supply as many pages as you want with these IOCTLs.
+  Keep in mind that unless you used DONTWAKE then the first of any of
+  those IOCTLs wakes up the faulting thread.
 
 - Be sure to test for all errors including
   (``pollfd[0].revents & POLLERR``).  This can happen, e.g. when ranges
diff --git a/Documentation/admin-guide/pm/cpuidle.rst b/Documentation/admin-guide/pm/cpuidle.rst
index 3596e37..19754be 100644
--- a/Documentation/admin-guide/pm/cpuidle.rst
+++ b/Documentation/admin-guide/pm/cpuidle.rst
@@ -347,81 +347,8 @@
 <menu-gov_>`_: it always tries to find the deepest idle state suitable for the
 given conditions.  However, it applies a different approach to that problem.
 
-First, it does not use sleep length correction factors, but instead it attempts
-to correlate the observed idle duration values with the available idle states
-and use that information to pick up the idle state that is most likely to
-"match" the upcoming CPU idle interval.   Second, it does not take the tasks
-that were running on the given CPU in the past and are waiting on some I/O
-operations to complete now at all (there is no guarantee that they will run on
-the same CPU when they become runnable again) and the pattern detection code in
-it avoids taking timer wakeups into account.  It also only uses idle duration
-values less than the current time till the closest timer (with the scheduler
-tick excluded) for that purpose.
-
-Like in the ``menu`` governor `case <menu-gov_>`_, the first step is to obtain
-the *sleep length*, which is the time until the closest timer event with the
-assumption that the scheduler tick will be stopped (that also is the upper bound
-on the time until the next CPU wakeup).  That value is then used to preselect an
-idle state on the basis of three metrics maintained for each idle state provided
-by the ``CPUIdle`` driver: ``hits``, ``misses`` and ``early_hits``.
-
-The ``hits`` and ``misses`` metrics measure the likelihood that a given idle
-state will "match" the observed (post-wakeup) idle duration if it "matches" the
-sleep length.  They both are subject to decay (after a CPU wakeup) every time
-the target residency of the idle state corresponding to them is less than or
-equal to the sleep length and the target residency of the next idle state is
-greater than the sleep length (that is, when the idle state corresponding to
-them "matches" the sleep length).  The ``hits`` metric is increased if the
-former condition is satisfied and the target residency of the given idle state
-is less than or equal to the observed idle duration and the target residency of
-the next idle state is greater than the observed idle duration at the same time
-(that is, it is increased when the given idle state "matches" both the sleep
-length and the observed idle duration).  In turn, the ``misses`` metric is
-increased when the given idle state "matches" the sleep length only and the
-observed idle duration is too short for its target residency.
-
-The ``early_hits`` metric measures the likelihood that a given idle state will
-"match" the observed (post-wakeup) idle duration if it does not "match" the
-sleep length.  It is subject to decay on every CPU wakeup and it is increased
-when the idle state corresponding to it "matches" the observed (post-wakeup)
-idle duration and the target residency of the next idle state is less than or
-equal to the sleep length (i.e. the idle state "matching" the sleep length is
-deeper than the given one).
-
-The governor walks the list of idle states provided by the ``CPUIdle`` driver
-and finds the last (deepest) one with the target residency less than or equal
-to the sleep length.  Then, the ``hits`` and ``misses`` metrics of that idle
-state are compared with each other and it is preselected if the ``hits`` one is
-greater (which means that that idle state is likely to "match" the observed idle
-duration after CPU wakeup).  If the ``misses`` one is greater, the governor
-preselects the shallower idle state with the maximum ``early_hits`` metric
-(or if there are multiple shallower idle states with equal ``early_hits``
-metric which also is the maximum, the shallowest of them will be preselected).
-[If there is a wakeup latency constraint coming from the `PM QoS framework
-<cpu-pm-qos_>`_ which is hit before reaching the deepest idle state with the
-target residency within the sleep length, the deepest idle state with the exit
-latency within the constraint is preselected without consulting the ``hits``,
-``misses`` and ``early_hits`` metrics.]
-
-Next, the governor takes several idle duration values observed most recently
-into consideration and if at least a half of them are greater than or equal to
-the target residency of the preselected idle state, that idle state becomes the
-final candidate to ask for.  Otherwise, the average of the most recent idle
-duration values below the target residency of the preselected idle state is
-computed and the governor walks the idle states shallower than the preselected
-one and finds the deepest of them with the target residency within that average.
-That idle state is then taken as the final candidate to ask for.
-
-Still, at this point the governor may need to refine the idle state selection if
-it has not decided to `stop the scheduler tick <idle-cpus-and-tick_>`_.  That
-generally happens if the target residency of the idle state selected so far is
-less than the tick period and the tick has not been stopped already (in a
-previous iteration of the idle loop).  Then, like in the ``menu`` governor
-`case <menu-gov_>`_, the sleep length used in the previous computations may not
-reflect the real time until the closest timer event and if it really is greater
-than that time, a shallower state with a suitable target residency may need to
-be selected.
-
+.. kernel-doc:: drivers/cpuidle/governors/teo.c
+   :doc: teo-description
 
 .. _idle-states-representation:
 
diff --git a/Documentation/admin-guide/ramoops.rst b/Documentation/admin-guide/ramoops.rst
index a60a962..f1801f48 100644
--- a/Documentation/admin-guide/ramoops.rst
+++ b/Documentation/admin-guide/ramoops.rst
@@ -3,7 +3,7 @@
 
 Sergiu Iordache <sergiu@chromium.org>
 
-Updated: 17 November 2011
+Updated: 10 Feb 2021
 
 Introduction
 ------------
@@ -30,6 +30,8 @@
 depends on atomic operations. At least on ARM, pgprot_noncached causes the
 memory to be mapped strongly ordered, and atomic operations on strongly ordered
 memory are implementation defined, and won't work on many ARMs such as omaps.
+Setting ``mem_type=2`` attempts to treat the memory region as normal memory,
+which enables full cache on it. This can improve the performance.
 
 The memory area is divided into ``record_size`` chunks (also rounded down to
 power of two) and each kmesg dump writes a ``record_size`` chunk of
diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst
index ac852f9..c7d8218 100644
--- a/Documentation/admin-guide/sysctl/vm.rst
+++ b/Documentation/admin-guide/sysctl/vm.rst
@@ -38,6 +38,7 @@
 - dirty_writeback_centisecs
 - drop_caches
 - extfrag_threshold
+- extra_free_kbytes
 - highmem_is_dirtyable
 - hugetlb_shm_group
 - laptop_mode
@@ -126,7 +127,8 @@
 
 This tunable takes a value in the range [0, 100] with a default value of
 20. This tunable determines how aggressively compaction is done in the
-background. Setting it to 0 disables proactive compaction.
+background. On write of non zero value to this tunable will immediately
+trigger the proactive compaction. Setting it to 0 disables proactive compaction.
 
 Note that compaction has a non-trivial system-wide impact as pages
 belonging to different processes are moved around, which could also lead
@@ -307,6 +309,21 @@
 any throttling.
 
 
+extra_free_kbytes
+
+This parameter tells the VM to keep extra free memory between the threshold
+where background reclaim (kswapd) kicks in, and the threshold where direct
+reclaim (by allocating processes) kicks in.
+
+This is useful for workloads that require low latency memory allocations
+and have a bounded burstiness in memory allocations, for example a
+realtime application that receives and transmits network traffic
+(causing in-kernel memory allocations) with a maximum total message burst
+size of 200MB may need 200MB of extra free memory to avoid direct reclaim
+related latencies.
+
+==============================================================
+
 hugetlb_shm_group
 =================
 
@@ -873,12 +890,17 @@
 unprivileged_userfaultfd
 ========================
 
-This flag controls whether unprivileged users can use the userfaultfd
-system calls.  Set this to 1 to allow unprivileged users to use the
-userfaultfd system calls, or set this to 0 to restrict userfaultfd to only
-privileged users (with SYS_CAP_PTRACE capability).
+This flag controls the mode in which unprivileged users can use the
+userfaultfd system calls. Set this to 0 to restrict unprivileged users
+to handle page faults in user mode only. In this case, users without
+SYS_CAP_PTRACE must pass UFFD_USER_MODE_ONLY in order for userfaultfd to
+succeed. Prohibiting use of userfaultfd for handling faults from kernel
+mode may make certain vulnerabilities more difficult to exploit.
 
-The default value is 1.
+Set this to 1 to allow unprivileged users to use the userfaultfd system
+calls without any restrictions.
+
+The default value is 0.
 
 
 user_reserve_kbytes
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index e88d245..fcb0133 100644
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -257,6 +257,11 @@
 
     Functionality implied by ID_AA64ISAR2_EL1.RPRES == 0b0001.
 
+HWCAP2_MTE3
+
+    Functionality implied by ID_AA64PFR1_EL1.MTE == 0b0011, as described
+    by Documentation/arm64/memory-tagging-extension.rst.
+
 4. Unused AT_HWCAP bits
 -----------------------
 
diff --git a/Documentation/arm64/memory-tagging-extension.rst b/Documentation/arm64/memory-tagging-extension.rst
index b540178..7e812a5 100644
--- a/Documentation/arm64/memory-tagging-extension.rst
+++ b/Documentation/arm64/memory-tagging-extension.rst
@@ -76,15 +76,24 @@
   with ``.si_code = SEGV_MTEAERR`` and ``.si_addr = 0`` (the faulting
   address is unknown).
 
+- *Asymmetric* - Reads are handled as for synchronous mode while writes
+  are handled as for asynchronous mode.
+
 The user can select the above modes, per thread, using the
-``prctl(PR_SET_TAGGED_ADDR_CTRL, flags, 0, 0, 0)`` system call where
-``flags`` contain one of the following values in the ``PR_MTE_TCF_MASK``
+``prctl(PR_SET_TAGGED_ADDR_CTRL, flags, 0, 0, 0)`` system call where ``flags``
+contains any number of the following values in the ``PR_MTE_TCF_MASK``
 bit-field:
 
-- ``PR_MTE_TCF_NONE``  - *Ignore* tag check faults
+- ``PR_MTE_TCF_NONE``  - *Ignore* tag check faults
+                         (ignored if combined with other options)
 - ``PR_MTE_TCF_SYNC``  - *Synchronous* tag check fault mode
 - ``PR_MTE_TCF_ASYNC`` - *Asynchronous* tag check fault mode
 
+If no modes are specified, tag check faults are ignored. If a single
+mode is specified, the program will run in that mode. If multiple
+modes are specified, the mode is selected as described in the "Per-CPU
+preferred tag checking modes" section below.
+
 The current tag check fault mode can be read using the
 ``prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0)`` system call.
 
@@ -120,13 +129,46 @@
 interface provides an include mask. An include mask of ``0`` (exclusion
 mask ``0xffff``) results in the CPU always generating tag ``0``.
 
+Per-CPU preferred tag checking mode
+-----------------------------------
+
+On some CPUs the performance of MTE in stricter tag checking modes
+is similar to that of less strict tag checking modes. This makes it
+worthwhile to enable stricter checks on those CPUs when a less strict
+checking mode is requested, in order to gain the error detection
+benefits of the stricter checks without the performance downsides. To
+support this scenario, a privileged user may configure a stricter
+tag checking mode as the CPU's preferred tag checking mode.
+
+The preferred tag checking mode for each CPU is controlled by
+``/sys/devices/system/cpu/cpu<N>/mte_tcf_preferred``, to which a
+privileged user may write the value ``async``, ``sync`` or ``asymm``.  The
+default preferred mode for each CPU is ``async``.
+
+To allow a program to potentially run in the CPU's preferred tag
+checking mode, the user program may set multiple tag check fault mode
+bits in the ``flags`` argument to the ``prctl(PR_SET_TAGGED_ADDR_CTRL,
+flags, 0, 0, 0)`` system call. If both synchronous and asynchronous
+modes are requested then asymmetric mode may also be selected by the
+kernel. If the CPU's preferred tag checking mode is in the task's set
+of provided tag checking modes, that mode will be selected. Otherwise,
+one of the modes in the task's mode will be selected by the kernel
+from the task's mode set using the preference order:
+
+	1. Asynchronous
+	2. Asymmetric
+	3. Synchronous
+
+Note that there is no way for userspace to request multiple modes and
+also disable asymmetric mode.
+
 Initial process state
 ---------------------
 
 On ``execve()``, the new process has the following configuration:
 
 - ``PR_TAGGED_ADDR_ENABLE`` set to 0 (disabled)
-- Tag checking mode set to ``PR_MTE_TCF_NONE``
+- No tag checking modes are selected (tag check faults ignored)
 - ``PR_MTE_TAG_MASK`` set to 0 (all tags excluded)
 - ``PSTATE.TCO`` set to 0
 - ``PROT_MTE`` not set on any of the initial memory maps
@@ -251,11 +293,13 @@
                     return EXIT_FAILURE;
 
             /*
-             * Enable the tagged address ABI, synchronous MTE tag check faults and
-             * allow all non-zero tags in the randomly generated set.
+             * Enable the tagged address ABI, synchronous or asynchronous MTE
+             * tag check faults (based on per-CPU preference) and allow all
+             * non-zero tags in the randomly generated set.
              */
             if (prctl(PR_SET_TAGGED_ADDR_CTRL,
-                      PR_TAGGED_ADDR_ENABLE | PR_MTE_TCF_SYNC | (0xfffe << PR_MTE_TAG_SHIFT),
+                      PR_TAGGED_ADDR_ENABLE | PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC |
+                      (0xfffe << PR_MTE_TAG_SHIFT),
                       0, 0, 0)) {
                     perror("prctl() failed");
                     return EXIT_FAILURE;
diff --git a/Documentation/arm64/memory.rst b/Documentation/arm64/memory.rst
index cf03b32..75df7fb 100644
--- a/Documentation/arm64/memory.rst
+++ b/Documentation/arm64/memory.rst
@@ -100,7 +100,7 @@
 random) offset from the linear mapping. See the kern_hyp_va macro and
 kvm_update_va_mask function for more details. MMIO devices such as
 GICv2 gets mapped next to the HYP idmap page, as do vectors when
-ARM64_HARDEN_EL2_VECTORS is selected for particular CPUs.
+ARM64_SPECTRE_V3A is enabled for particular CPUs.
 
 When using KVM with the Virtualization Host Extensions, no additional
 mappings are created, since the host kernel runs directly in EL2.
diff --git a/Documentation/arm64/pointer-authentication.rst b/Documentation/arm64/pointer-authentication.rst
index 30b2ab0..f127666 100644
--- a/Documentation/arm64/pointer-authentication.rst
+++ b/Documentation/arm64/pointer-authentication.rst
@@ -107,3 +107,37 @@
 KVM_GET/SET_REG_* ioctls and mask those features from cpufeature ID
 register. Any attempt to use the Pointer Authentication instructions will
 result in an UNDEFINED exception being injected into the guest.
+
+
+Enabling and disabling keys
+---------------------------
+
+The prctl PR_PAC_SET_ENABLED_KEYS allows the user program to control which
+PAC keys are enabled in a particular task. It takes two arguments, the
+first being a bitmask of PR_PAC_APIAKEY, PR_PAC_APIBKEY, PR_PAC_APDAKEY
+and PR_PAC_APDBKEY specifying which keys shall be affected by this prctl,
+and the second being a bitmask of the same bits specifying whether the key
+should be enabled or disabled. For example::
+
+  prctl(PR_PAC_SET_ENABLED_KEYS,
+        PR_PAC_APIAKEY | PR_PAC_APIBKEY | PR_PAC_APDAKEY | PR_PAC_APDBKEY,
+        PR_PAC_APIBKEY, 0, 0);
+
+disables all keys except the IB key.
+
+The main reason why this is useful is to enable a userspace ABI that uses PAC
+instructions to sign and authenticate function pointers and other pointers
+exposed outside of the function, while still allowing binaries conforming to
+the ABI to interoperate with legacy binaries that do not sign or authenticate
+pointers.
+
+The idea is that a dynamic loader or early startup code would issue this
+prctl very early after establishing that a process may load legacy binaries,
+but before executing any PAC instructions.
+
+For compatibility with previous kernel versions, processes start up with IA,
+IB, DA and DB enabled, and are reset to this state on exec(). Processes created
+via fork() and clone() inherit the key enabled state from the calling process.
+
+It is recommended to avoid disabling the IA key, as this has higher performance
+overhead than disabling any of the other keys.
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 10a26d4..65b2a104 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -98,12 +98,16 @@
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Cortex-A510     | #2457168        | ARM64_ERRATUM_2457168       |
 +----------------+-----------------+-----------------+-----------------------------+
+| ARM            | Cortex-A710     | #2054223        | ARM64_ERRATUM_2054223       |
++----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Neoverse-N1     | #1188873,1418040| ARM64_ERRATUM_1418040       |
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Neoverse-N1     | #1349291        | N/A                         |
 +----------------+-----------------+-----------------+-----------------------------+
 | ARM            | Neoverse-N1     | #1542419        | ARM64_ERRATUM_1542419       |
 +----------------+-----------------+-----------------+-----------------------------+
+| ARM            | Neoverse-N2     | #2067961        | ARM64_ERRATUM_2067961       |
++----------------+-----------------+-----------------+-----------------------------+
 | ARM            | MMU-500         | #841119,826419  | N/A                         |
 +----------------+-----------------+-----------------+-----------------------------+
 +----------------+-----------------+-----------------+-----------------------------+
@@ -175,3 +179,7 @@
 +----------------+-----------------+-----------------+-----------------------------+
 | Fujitsu        | A64FX           | E#010001        | FUJITSU_ERRATUM_010001      |
 +----------------+-----------------+-----------------+-----------------------------+
+
++----------------+-----------------+-----------------+-----------------------------+
+| ASR            | ASR8601         | #8601001        | N/A                         |
++----------------+-----------------+-----------------+-----------------------------+
diff --git a/Documentation/arm64/tagged-pointers.rst b/Documentation/arm64/tagged-pointers.rst
index eab4323..19d284b 100644
--- a/Documentation/arm64/tagged-pointers.rst
+++ b/Documentation/arm64/tagged-pointers.rst
@@ -53,12 +53,25 @@
 Preserving tags
 ---------------
 
-Non-zero tags are not preserved when delivering signals. This means that
-signal handlers in applications making use of tags cannot rely on the
-tag information for user virtual addresses being maintained for fields
-inside siginfo_t. One exception to this rule is for signals raised in
-response to watchpoint debug exceptions, where the tag information will
-be preserved.
+When delivering signals, non-zero tags are not preserved in
+siginfo.si_addr unless the flag SA_EXPOSE_TAGBITS was set in
+sigaction.sa_flags when the signal handler was installed. This means
+that signal handlers in applications making use of tags cannot rely
+on the tag information for user virtual addresses being maintained
+in these fields unless the flag was set.
+
+Due to architecture limitations, bits 63:60 of the fault address
+are not preserved in response to synchronous tag check faults
+(SEGV_MTESERR) even if SA_EXPOSE_TAGBITS was set. Applications should
+treat the values of these bits as undefined in order to accommodate
+future architecture revisions which may preserve the bits.
+
+For signals raised in response to watchpoint debug exceptions, the
+tag information will be preserved regardless of the SA_EXPOSE_TAGBITS
+flag setting.
+
+Non-zero tags are never preserved in sigcontext.fault_address
+regardless of the SA_EXPOSE_TAGBITS flag setting.
 
 The architecture prevents the use of a tagged PC, so the upper byte will
 be set to a sign-extension of bit 55 on exception return.
diff --git a/Documentation/block/inline-encryption.rst b/Documentation/block/inline-encryption.rst
index e75151e..2e2a2c6 100644
--- a/Documentation/block/inline-encryption.rst
+++ b/Documentation/block/inline-encryption.rst
@@ -1,5 +1,7 @@
 .. SPDX-License-Identifier: GPL-2.0
 
+.. _inline_encryption:
+
 =================
 Inline Encryption
 =================
@@ -182,8 +184,9 @@
 
 A :c:type:``struct blk_keyslot_manager`` should be set up by device drivers in
 the ``request_queue`` of the device. The device driver needs to call
-``blk_ksm_init`` on the ``blk_keyslot_manager``, which specifying the number of
-keyslots supported by the hardware.
+``blk_ksm_init`` (or its resource-managed variant ``devm_blk_ksm_init``) on the
+``blk_keyslot_manager``, while specifying the number of keyslots supported by
+the hardware.
 
 The device driver also needs to tell the KSM how to actually manipulate the
 IE hardware in the device to do things like programming the crypto key into
@@ -202,10 +205,9 @@
 "should have" at the point in time when the function is called. This is useful
 e.g. if a device loses all its keys on runtime power down/up.
 
-``blk_ksm_destroy`` should be called to free up all resources used by a keyslot
-manager upon ``blk_ksm_init``, once the ``blk_keyslot_manager`` is no longer
-needed.
-
+If the driver used ``blk_ksm_init`` instead of ``devm_blk_ksm_init``, then
+``blk_ksm_destroy`` should be called to free up all resources used by a
+``blk_keyslot_manager`` once it is no longer needed.
 
 Layered Devices
 ===============
diff --git a/Documentation/crypto/api-skcipher.rst b/Documentation/crypto/api-skcipher.rst
index 1aaf898..04d6cc5 100644
--- a/Documentation/crypto/api-skcipher.rst
+++ b/Documentation/crypto/api-skcipher.rst
@@ -28,8 +28,8 @@
 Single Block Cipher API
 -----------------------
 
-.. kernel-doc:: include/linux/crypto.h
+.. kernel-doc:: include/crypto/internal/cipher.h
    :doc: Single Block Cipher API
 
-.. kernel-doc:: include/linux/crypto.h
+.. kernel-doc:: include/crypto/internal/cipher.h
    :functions: crypto_alloc_cipher crypto_free_cipher crypto_has_cipher crypto_cipher_blocksize crypto_cipher_setkey crypto_cipher_encrypt_one crypto_cipher_decrypt_one
diff --git a/Documentation/dev-tools/index.rst b/Documentation/dev-tools/index.rst
index f7809c7..1b1cf4f 100644
--- a/Documentation/dev-tools/index.rst
+++ b/Documentation/dev-tools/index.rst
@@ -22,6 +22,7 @@
    ubsan
    kmemleak
    kcsan
+   kfence
    gdb-kernel-debugging
    kgdb
    kselftest
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index 2b68add..7614a1f 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -4,58 +4,63 @@
 Overview
 --------
 
-KernelAddressSANitizer (KASAN) is a dynamic memory error detector designed to
-find out-of-bound and use-after-free bugs. KASAN has two modes: generic KASAN
-(similar to userspace ASan) and software tag-based KASAN (similar to userspace
-HWASan).
+KernelAddressSANitizer (KASAN) is a dynamic memory safety error detector
+designed to find out-of-bound and use-after-free bugs. KASAN has three modes:
 
-KASAN uses compile-time instrumentation to insert validity checks before every
-memory access, and therefore requires a compiler version that supports that.
+1. generic KASAN (similar to userspace ASan),
+2. software tag-based KASAN (similar to userspace HWASan),
+3. hardware tag-based KASAN (based on hardware memory tagging).
 
-Generic KASAN is supported in both GCC and Clang. With GCC it requires version
+Generic KASAN is mainly used for debugging due to a large memory overhead.
+Software tag-based KASAN can be used for dogfood testing as it has a lower
+memory overhead that allows using it with real workloads. Hardware tag-based
+KASAN comes with low memory and performance overheads and, therefore, can be
+used in production. Either as an in-field memory bug detector or as a security
+mitigation.
+
+Software KASAN modes (#1 and #2) use compile-time instrumentation to insert
+validity checks before every memory access and, therefore, require a compiler
+version that supports that.
+
+Generic KASAN is supported in GCC and Clang. With GCC, it requires version
 8.3.0 or later. Any supported Clang version is compatible, but detection of
 out-of-bounds accesses for global variables is only supported since Clang 11.
 
-Tag-based KASAN is only supported in Clang.
+Software tag-based KASAN mode is only supported in Clang.
 
-Currently generic KASAN is supported for the x86_64, arm64, xtensa, s390 and
-riscv architectures, and tag-based KASAN is supported only for arm64.
+The hardware KASAN mode (#3) relies on hardware to perform the checks but
+still requires a compiler version that supports memory tagging instructions.
+This mode is supported in GCC 10+ and Clang 12+.
+
+Both software KASAN modes work with SLUB and SLAB memory allocators,
+while the hardware tag-based KASAN currently only supports SLUB.
+
+Currently, generic KASAN is supported for the x86_64, arm, arm64, xtensa, s390,
+and riscv architectures, and tag-based KASAN modes are supported only for arm64.
 
 Usage
 -----
 
-To enable KASAN configure kernel with::
+To enable KASAN, configure the kernel with::
 
-	  CONFIG_KASAN = y
+	  CONFIG_KASAN=y
 
-and choose between CONFIG_KASAN_GENERIC (to enable generic KASAN) and
-CONFIG_KASAN_SW_TAGS (to enable software tag-based KASAN).
+and choose between ``CONFIG_KASAN_GENERIC`` (to enable generic KASAN),
+``CONFIG_KASAN_SW_TAGS`` (to enable software tag-based KASAN), and
+``CONFIG_KASAN_HW_TAGS`` (to enable hardware tag-based KASAN).
 
-You also need to choose between CONFIG_KASAN_OUTLINE and CONFIG_KASAN_INLINE.
-Outline and inline are compiler instrumentation types. The former produces
-smaller binary while the latter is 1.1 - 2 times faster.
+For software modes, also choose between ``CONFIG_KASAN_OUTLINE`` and
+``CONFIG_KASAN_INLINE``. Outline and inline are compiler instrumentation types.
+The former produces a smaller binary while the latter is 1.1-2 times faster.
 
-Both KASAN modes work with both SLUB and SLAB memory allocators.
-For better bug detection and nicer reporting, enable CONFIG_STACKTRACE.
-
-To augment reports with last allocation and freeing stack of the physical page,
-it is recommended to enable also CONFIG_PAGE_OWNER and boot with page_owner=on.
-
-To disable instrumentation for specific files or directories, add a line
-similar to the following to the respective kernel Makefile:
-
-- For a single file (e.g. main.o)::
-
-    KASAN_SANITIZE_main.o := n
-
-- For all files in one directory::
-
-    KASAN_SANITIZE := n
+To include alloc and free stack traces of affected slab objects into reports,
+enable ``CONFIG_STACKTRACE``. To include alloc and free stack traces of affected
+physical pages, enable ``CONFIG_PAGE_OWNER`` and boot with ``page_owner=on``.
 
 Error reports
 ~~~~~~~~~~~~~
 
-A typical out-of-bounds access generic KASAN report looks like this::
+A typical KASAN report looks like this::
 
     ==================================================================
     BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [test_kasan]
@@ -128,31 +133,84 @@
      ffff8801f44ec400: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
     ==================================================================
 
-The header of the report provides a short summary of what kind of bug happened
-and what kind of access caused it. It's followed by a stack trace of the bad
-access, a stack trace of where the accessed memory was allocated (in case bad
-access happens on a slab object), and a stack trace of where the object was
-freed (in case of a use-after-free bug report). Next comes a description of
-the accessed slab object and information about the accessed memory page.
+The report header summarizes what kind of bug happened and what kind of access
+caused it. It is followed by a stack trace of the bad access, a stack trace of
+where the accessed memory was allocated (in case a slab object was accessed),
+and a stack trace of where the object was freed (in case of a use-after-free
+bug report). Next comes a description of the accessed slab object and the
+information about the accessed memory page.
 
-In the last section the report shows memory state around the accessed address.
-Reading this part requires some understanding of how KASAN works.
+In the end, the report shows the memory state around the accessed address.
+Internally, KASAN tracks memory state separately for each memory granule, which
+is either 8 or 16 aligned bytes depending on KASAN mode. Each number in the
+memory state section of the report shows the state of one of the memory
+granules that surround the accessed address.
 
-The state of each 8 aligned bytes of memory is encoded in one shadow byte.
-Those 8 bytes can be accessible, partially accessible, freed or be a redzone.
-We use the following encoding for each shadow byte: 0 means that all 8 bytes
-of the corresponding memory region are accessible; number N (1 <= N <= 7) means
-that the first N bytes are accessible, and other (8 - N) bytes are not;
-any negative value indicates that the entire 8-byte word is inaccessible.
-We use different negative values to distinguish between different kinds of
-inaccessible memory like redzones or freed memory (see mm/kasan/kasan.h).
+For generic KASAN, the size of each memory granule is 8. The state of each
+granule is encoded in one shadow byte. Those 8 bytes can be accessible,
+partially accessible, freed, or be a part of a redzone. KASAN uses the following
+encoding for each shadow byte: 00 means that all 8 bytes of the corresponding
+memory region are accessible; number N (1 <= N <= 7) means that the first N
+bytes are accessible, and other (8 - N) bytes are not; any negative value
+indicates that the entire 8-byte word is inaccessible. KASAN uses different
+negative values to distinguish between different kinds of inaccessible memory
+like redzones or freed memory (see mm/kasan/kasan.h).
 
-In the report above the arrows point to the shadow byte 03, which means that
-the accessed address is partially accessible.
+In the report above, the arrow points to the shadow byte ``03``, which means
+that the accessed address is partially accessible.
 
-For tag-based KASAN this last report section shows the memory tags around the
-accessed address (see Implementation details section).
+For tag-based KASAN modes, this last report section shows the memory tags around
+the accessed address (see the `Implementation details`_ section).
 
+Note that KASAN bug titles (like ``slab-out-of-bounds`` or ``use-after-free``)
+are best-effort: KASAN prints the most probable bug type based on the limited
+information it has. The actual type of the bug might be different.
+
+Generic KASAN also reports up to two auxiliary call stack traces. These stack
+traces point to places in code that interacted with the object but that are not
+directly present in the bad access stack trace. Currently, this includes
+call_rcu() and workqueue queuing.
+
+Boot parameters
+~~~~~~~~~~~~~~~
+
+KASAN is affected by the generic ``panic_on_warn`` command line parameter.
+When it is enabled, KASAN panics the kernel after printing a bug report.
+
+By default, KASAN prints a bug report only for the first invalid memory access.
+With ``kasan_multi_shot``, KASAN prints a report on every invalid access. This
+effectively disables ``panic_on_warn`` for KASAN reports.
+
+Alternatively, independent of ``panic_on_warn`` the ``kasan.fault=`` boot
+parameter can be used to control panic and reporting behaviour:
+
+- ``kasan.fault=report`` or ``=panic`` controls whether to only print a KASAN
+  report or also panic the kernel (default: ``report``). The panic happens even
+  if ``kasan_multi_shot`` is enabled.
+
+Hardware tag-based KASAN mode (see the section about various modes below) is
+intended for use in production as a security mitigation. Therefore, it supports
+additional boot parameters that allow disabling KASAN or controlling features:
+
+- ``kasan=off`` or ``=on`` controls whether KASAN is enabled (default: ``on``).
+
+- ``kasan.mode=sync``, ``=async`` or ``=asymm`` controls whether KASAN
+  is configured in synchronous, asynchronous or asymmetric mode of
+  execution (default: ``sync``).
+  Synchronous mode: a bad access is detected immediately when a tag
+  check fault occurs.
+  Asynchronous mode: a bad access detection is delayed. When a tag check
+  fault occurs, the information is stored in hardware (in the TFSR_EL1
+  register for arm64). The kernel periodically checks the hardware and
+  only reports tag faults during these checks.
+  Asymmetric mode: a bad access is detected synchronously on reads and
+  asynchronously on writes.
+
+- ``kasan.vmalloc=off`` or ``=on`` disables or enables tagging of vmalloc
+  allocations (default: ``on``).
+
+- ``kasan.stacktrace=off`` or ``=on`` disables or enables alloc and free stack
+  traces collection (default: ``on``).
 
 Implementation details
 ----------------------
@@ -160,12 +218,11 @@
 Generic KASAN
 ~~~~~~~~~~~~~
 
-From a high level, our approach to memory error detection is similar to that
-of kmemcheck: use shadow memory to record whether each byte of memory is safe
-to access, and use compile-time instrumentation to insert checks of shadow
-memory on each memory access.
+Software KASAN modes use shadow memory to record whether each byte of memory is
+safe to access and use compile-time instrumentation to insert shadow memory
+checks before each memory access.
 
-Generic KASAN dedicates 1/8th of kernel memory to its shadow memory (e.g. 16TB
+Generic KASAN dedicates 1/8th of kernel memory to its shadow memory (16TB
 to cover 128TB on x86_64) and uses direct mapping with a scale and offset to
 translate a memory address to its corresponding shadow address.
 
@@ -174,65 +231,107 @@
 
     static inline void *kasan_mem_to_shadow(const void *addr)
     {
-	return ((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
+	return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
 		+ KASAN_SHADOW_OFFSET;
     }
 
 where ``KASAN_SHADOW_SCALE_SHIFT = 3``.
 
 Compile-time instrumentation is used to insert memory access checks. Compiler
-inserts function calls (__asan_load*(addr), __asan_store*(addr)) before each
-memory access of size 1, 2, 4, 8 or 16. These functions check whether memory
-access is valid or not by checking corresponding shadow memory.
+inserts function calls (``__asan_load*(addr)``, ``__asan_store*(addr)``) before
+each memory access of size 1, 2, 4, 8, or 16. These functions check whether
+memory accesses are valid or not by checking corresponding shadow memory.
 
-GCC 5.0 has possibility to perform inline instrumentation. Instead of making
-function calls GCC directly inserts the code to check the shadow memory.
-This option significantly enlarges kernel but it gives x1.1-x2 performance
-boost over outline instrumented kernel.
+With inline instrumentation, instead of making function calls, the compiler
+directly inserts the code to check shadow memory. This option significantly
+enlarges the kernel, but it gives an x1.1-x2 performance boost over the
+outline-instrumented kernel.
 
-Generic KASAN prints up to 2 call_rcu() call stacks in reports, the last one
-and the second to last.
+Generic KASAN is the only mode that delays the reuse of freed objects via
+quarantine (see mm/kasan/quarantine.c for implementation).
 
 Software tag-based KASAN
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
-Tag-based KASAN uses the Top Byte Ignore (TBI) feature of modern arm64 CPUs to
-store a pointer tag in the top byte of kernel pointers. Like generic KASAN it
-uses shadow memory to store memory tags associated with each 16-byte memory
-cell (therefore it dedicates 1/16th of the kernel memory for shadow memory).
+Software tag-based KASAN uses a software memory tagging approach to checking
+access validity. It is currently only implemented for the arm64 architecture.
 
-On each memory allocation tag-based KASAN generates a random tag, tags the
-allocated memory with this tag, and embeds this tag into the returned pointer.
+Software tag-based KASAN uses the Top Byte Ignore (TBI) feature of arm64 CPUs
+to store a pointer tag in the top byte of kernel pointers. It uses shadow memory
+to store memory tags associated with each 16-byte memory cell (therefore, it
+dedicates 1/16th of the kernel memory for shadow memory).
+
+On each memory allocation, software tag-based KASAN generates a random tag, tags
+the allocated memory with this tag, and embeds the same tag into the returned
+pointer.
+
 Software tag-based KASAN uses compile-time instrumentation to insert checks
-before each memory access. These checks make sure that tag of the memory that
-is being accessed is equal to tag of the pointer that is used to access this
-memory. In case of a tag mismatch tag-based KASAN prints a bug report.
+before each memory access. These checks make sure that the tag of the memory
+that is being accessed is equal to the tag of the pointer that is used to access
+this memory. In case of a tag mismatch, software tag-based KASAN prints a bug
+report.
 
-Software tag-based KASAN also has two instrumentation modes (outline, that
-emits callbacks to check memory accesses; and inline, that performs the shadow
+Software tag-based KASAN also has two instrumentation modes (outline, which
+emits callbacks to check memory accesses; and inline, which performs the shadow
 memory checks inline). With outline instrumentation mode, a bug report is
-simply printed from the function that performs the access check. With inline
-instrumentation a brk instruction is emitted by the compiler, and a dedicated
-brk handler is used to print bug reports.
+printed from the function that performs the access check. With inline
+instrumentation, a ``brk`` instruction is emitted by the compiler, and a
+dedicated ``brk`` handler is used to print bug reports.
 
-A potential expansion of this mode is a hardware tag-based mode, which would
-use hardware memory tagging support instead of compiler instrumentation and
-manual shadow memory manipulation.
+Software tag-based KASAN uses 0xFF as a match-all pointer tag (accesses through
+pointers with the 0xFF pointer tag are not checked). The value 0xFE is currently
+reserved to tag freed memory regions.
 
-What memory accesses are sanitised by KASAN?
---------------------------------------------
+Software tag-based KASAN currently only supports tagging of slab, page_alloc,
+and vmalloc memory.
 
-The kernel maps memory in a number of different parts of the address
-space. This poses something of a problem for KASAN, which requires
-that all addresses accessed by instrumented code have a valid shadow
-region.
+Hardware tag-based KASAN
+~~~~~~~~~~~~~~~~~~~~~~~~
 
-The range of kernel virtual addresses is large: there is not enough
-real memory to support a real shadow region for every address that
-could be accessed by the kernel.
+Hardware tag-based KASAN is similar to the software mode in concept but uses
+hardware memory tagging support instead of compiler instrumentation and
+shadow memory.
 
-By default
-~~~~~~~~~~
+Hardware tag-based KASAN is currently only implemented for arm64 architecture
+and based on both arm64 Memory Tagging Extension (MTE) introduced in ARMv8.5
+Instruction Set Architecture and Top Byte Ignore (TBI).
+
+Special arm64 instructions are used to assign memory tags for each allocation.
+Same tags are assigned to pointers to those allocations. On every memory
+access, hardware makes sure that the tag of the memory that is being accessed is
+equal to the tag of the pointer that is used to access this memory. In case of a
+tag mismatch, a fault is generated, and a report is printed.
+
+Hardware tag-based KASAN uses 0xFF as a match-all pointer tag (accesses through
+pointers with the 0xFF pointer tag are not checked). The value 0xFE is currently
+reserved to tag freed memory regions.
+
+Hardware tag-based KASAN currently only supports tagging of slab, page_alloc,
+and VM_ALLOC-based vmalloc memory.
+
+If the hardware does not support MTE (pre ARMv8.5), hardware tag-based KASAN
+will not be enabled. In this case, all KASAN boot parameters are ignored.
+
+Note that enabling CONFIG_KASAN_HW_TAGS always results in in-kernel TBI being
+enabled. Even when ``kasan.mode=off`` is provided or when the hardware does not
+support MTE (but supports TBI).
+
+Hardware tag-based KASAN only reports the first found bug. After that, MTE tag
+checking gets disabled.
+
+Shadow memory
+-------------
+
+The contents of this section are only applicable to software KASAN modes.
+
+The kernel maps memory in several different parts of the address space.
+The range of kernel virtual addresses is large: there is not enough real
+memory to support a real shadow region for every address that could be
+accessed by the kernel. Therefore, KASAN only maps real shadow for certain
+parts of the address space.
+
+Default behaviour
+~~~~~~~~~~~~~~~~~
 
 By default, architectures only map real memory over the shadow region
 for the linear mapping (and potentially other small areas). For all
@@ -241,10 +340,9 @@
 declares all memory accesses as permitted.
 
 This presents a problem for modules: they do not live in the linear
-mapping, but in a dedicated module space. By hooking in to the module
-allocator, KASAN can temporarily map real shadow memory to cover
-them. This allows detection of invalid accesses to module globals, for
-example.
+mapping but in a dedicated module space. By hooking into the module
+allocator, KASAN temporarily maps real shadow memory to cover them.
+This allows detection of invalid accesses to module globals, for example.
 
 This also creates an incompatibility with ``VMAP_STACK``: if the stack
 lives in vmalloc space, it will be shadowed by the read-only page, and
@@ -255,101 +353,142 @@
 ~~~~~~~~~~~~~~~~~~~~
 
 With ``CONFIG_KASAN_VMALLOC``, KASAN can cover vmalloc space at the
-cost of greater memory usage. Currently this is only supported on x86.
+cost of greater memory usage. Currently, this is supported on x86,
+arm64, riscv, s390, and powerpc.
 
-This works by hooking into vmalloc and vmap, and dynamically
+This works by hooking into vmalloc and vmap and dynamically
 allocating real shadow memory to back the mappings.
 
 Most mappings in vmalloc space are small, requiring less than a full
 page of shadow space. Allocating a full shadow page per mapping would
 therefore be wasteful. Furthermore, to ensure that different mappings
 use different shadow pages, mappings would have to be aligned to
-``KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE``.
+``KASAN_GRANULE_SIZE * PAGE_SIZE``.
 
-Instead, we share backing space across multiple mappings. We allocate
+Instead, KASAN shares backing space across multiple mappings. It allocates
 a backing page when a mapping in vmalloc space uses a particular page
 of the shadow region. This page can be shared by other vmalloc
 mappings later on.
 
-We hook in to the vmap infrastructure to lazily clean up unused shadow
+KASAN hooks into the vmap infrastructure to lazily clean up unused shadow
 memory.
 
-To avoid the difficulties around swapping mappings around, we expect
+To avoid the difficulties around swapping mappings around, KASAN expects
 that the part of the shadow region that covers the vmalloc space will
-not be covered by the early shadow page, but will be left
-unmapped. This will require changes in arch-specific code.
+not be covered by the early shadow page but will be left unmapped.
+This will require changes in arch-specific code.
 
-This allows ``VMAP_STACK`` support on x86, and can simplify support of
+This allows ``VMAP_STACK`` support on x86 and can simplify support of
 architectures that do not have a fixed module region.
 
-CONFIG_KASAN_KUNIT_TEST & CONFIG_TEST_KASAN_MODULE
---------------------------------------------------
+For developers
+--------------
 
-``CONFIG_KASAN_KUNIT_TEST`` utilizes the KUnit Test Framework for testing.
-This means each test focuses on a small unit of functionality and
-there are a few ways these tests can be run.
+Ignoring accesses
+~~~~~~~~~~~~~~~~~
 
-Each test will print the KASAN report if an error is detected and then
-print the number of the test and the status of the test:
+Software KASAN modes use compiler instrumentation to insert validity checks.
+Such instrumentation might be incompatible with some parts of the kernel, and
+therefore needs to be disabled.
 
-pass::
+Other parts of the kernel might access metadata for allocated objects.
+Normally, KASAN detects and reports such accesses, but in some cases (e.g.,
+in memory allocators), these accesses are valid.
+
+For software KASAN modes, to disable instrumentation for a specific file or
+directory, add a ``KASAN_SANITIZE`` annotation to the respective kernel
+Makefile:
+
+- For a single file (e.g., main.o)::
+
+    KASAN_SANITIZE_main.o := n
+
+- For all files in one directory::
+
+    KASAN_SANITIZE := n
+
+For software KASAN modes, to disable instrumentation on a per-function basis,
+use the KASAN-specific ``__no_sanitize_address`` function attribute or the
+generic ``noinstr`` one.
+
+Note that disabling compiler instrumentation (either on a per-file or a
+per-function basis) makes KASAN ignore the accesses that happen directly in
+that code for software KASAN modes. It does not help when the accesses happen
+indirectly (through calls to instrumented functions) or with the hardware
+tag-based mode that does not use compiler instrumentation.
+
+For software KASAN modes, to disable KASAN reports in a part of the kernel code
+for the current task, annotate this part of the code with a
+``kasan_disable_current()``/``kasan_enable_current()`` section. This also
+disables the reports for indirect accesses that happen through function calls.
+
+For tag-based KASAN modes (include the hardware one), to disable access
+checking, use ``kasan_reset_tag()`` or ``page_kasan_tag_reset()``. Note that
+temporarily disabling access checking via ``page_kasan_tag_reset()`` requires
+saving and restoring the per-page KASAN tag via
+``page_kasan_tag``/``page_kasan_tag_set``.
+
+Tests
+~~~~~
+
+There are KASAN tests that allow verifying that KASAN works and can detect
+certain types of memory corruptions. The tests consist of two parts:
+
+1. Tests that are integrated with the KUnit Test Framework. Enabled with
+``CONFIG_KASAN_KUNIT_TEST``. These tests can be run and partially verified
+automatically in a few different ways; see the instructions below.
+
+2. Tests that are currently incompatible with KUnit. Enabled with
+``CONFIG_KASAN_MODULE_TEST`` and can only be run as a module. These tests can
+only be verified manually by loading the kernel module and inspecting the
+kernel log for KASAN reports.
+
+Each KUnit-compatible KASAN test prints one of multiple KASAN reports if an
+error is detected. Then the test prints its number and status.
+
+When a test passes::
 
         ok 28 - kmalloc_double_kzfree
 
-or, if kmalloc failed::
+When a test fails due to a failed ``kmalloc``::
 
         # kmalloc_large_oob_right: ASSERTION FAILED at lib/test_kasan.c:163
         Expected ptr is not null, but is
         not ok 4 - kmalloc_large_oob_right
 
-or, if a KASAN report was expected, but not found::
+When a test fails due to a missing KASAN report::
 
-        # kmalloc_double_kzfree: EXPECTATION FAILED at lib/test_kasan.c:629
-        Expected kasan_data->report_expected == kasan_data->report_found, but
-        kasan_data->report_expected == 1
-        kasan_data->report_found == 0
-        not ok 28 - kmalloc_double_kzfree
+        # kmalloc_double_kzfree: EXPECTATION FAILED at lib/test_kasan.c:974
+        KASAN failure expected in "kfree_sensitive(ptr)", but none occurred
+        not ok 44 - kmalloc_double_kzfree
 
-All test statuses are tracked as they run and an overall status will
-be printed at the end::
+
+At the end the cumulative status of all KASAN tests is printed. On success::
 
         ok 1 - kasan
 
-or::
+Or, if one of the tests failed::
 
         not ok 1 - kasan
 
-(1) Loadable Module
-~~~~~~~~~~~~~~~~~~~~
+There are a few ways to run KUnit-compatible KASAN tests.
 
-With ``CONFIG_KUNIT`` enabled, ``CONFIG_KASAN_KUNIT_TEST`` can be built as
-a loadable module and run on any architecture that supports KASAN
-using something like insmod or modprobe. The module is called ``test_kasan``.
+1. Loadable module
 
-(2) Built-In
-~~~~~~~~~~~~~
+   With ``CONFIG_KUNIT`` enabled, KASAN-KUnit tests can be built as a loadable
+   module and run by loading ``test_kasan.ko`` with ``insmod`` or ``modprobe``.
 
-With ``CONFIG_KUNIT`` built-in, ``CONFIG_KASAN_KUNIT_TEST`` can be built-in
-on any architecure that supports KASAN. These and any other KUnit
-tests enabled will run and print the results at boot as a late-init
-call.
+2. Built-In
 
-(3) Using kunit_tool
-~~~~~~~~~~~~~~~~~~~~~
+   With ``CONFIG_KUNIT`` built-in, KASAN-KUnit tests can be built-in as well.
+   In this case, the tests will run at boot as a late-init call.
 
-With ``CONFIG_KUNIT`` and ``CONFIG_KASAN_KUNIT_TEST`` built-in, we can also
-use kunit_tool to see the results of these along with other KUnit
-tests in a more readable way. This will not print the KASAN reports
-of tests that passed. Use `KUnit documentation <https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html>`_ for more up-to-date
-information on kunit_tool.
+3. Using kunit_tool
+
+   With ``CONFIG_KUNIT`` and ``CONFIG_KASAN_KUNIT_TEST`` built-in, it is also
+   possible to use ``kunit_tool`` to see the results of KUnit tests in a more
+   readable way. This will not print the KASAN reports of the tests that passed.
+   See `KUnit documentation <https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html>`_
+   for more up-to-date information on ``kunit_tool``.
 
 .. _KUnit: https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html
-
-``CONFIG_TEST_KASAN_MODULE`` is a set of KASAN tests that could not be
-converted to KUnit. These tests can be run only as a module with
-``CONFIG_TEST_KASAN_MODULE`` built as a loadable module and
-``CONFIG_KASAN`` built-in. The type of error expected and the
-function being run is printed before the expression expected to give
-an error. Then the error is printed, if found, and that test
-should be interpretted to pass only if the error was the one expected
-by the test.
diff --git a/Documentation/dev-tools/kfence.rst b/Documentation/dev-tools/kfence.rst
new file mode 100644
index 0000000..fdf04e7
--- /dev/null
+++ b/Documentation/dev-tools/kfence.rst
@@ -0,0 +1,298 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. Copyright (C) 2020, Google LLC.
+
+Kernel Electric-Fence (KFENCE)
+==============================
+
+Kernel Electric-Fence (KFENCE) is a low-overhead sampling-based memory safety
+error detector. KFENCE detects heap out-of-bounds access, use-after-free, and
+invalid-free errors.
+
+KFENCE is designed to be enabled in production kernels, and has near zero
+performance overhead. Compared to KASAN, KFENCE trades performance for
+precision. The main motivation behind KFENCE's design, is that with enough
+total uptime KFENCE will detect bugs in code paths not typically exercised by
+non-production test workloads. One way to quickly achieve a large enough total
+uptime is when the tool is deployed across a large fleet of machines.
+
+Usage
+-----
+
+To enable KFENCE, configure the kernel with::
+
+    CONFIG_KFENCE=y
+
+To build a kernel with KFENCE support, but disabled by default (to enable, set
+``kfence.sample_interval`` to non-zero value), configure the kernel with::
+
+    CONFIG_KFENCE=y
+    CONFIG_KFENCE_SAMPLE_INTERVAL=0
+
+KFENCE provides several other configuration options to customize behaviour (see
+the respective help text in ``lib/Kconfig.kfence`` for more info).
+
+Tuning performance
+~~~~~~~~~~~~~~~~~~
+
+The most important parameter is KFENCE's sample interval, which can be set via
+the kernel boot parameter ``kfence.sample_interval`` in milliseconds. The
+sample interval determines the frequency with which heap allocations will be
+guarded by KFENCE. The default is configurable via the Kconfig option
+``CONFIG_KFENCE_SAMPLE_INTERVAL``. Setting ``kfence.sample_interval=0``
+disables KFENCE.
+
+The KFENCE memory pool is of fixed size, and if the pool is exhausted, no
+further KFENCE allocations occur. With ``CONFIG_KFENCE_NUM_OBJECTS`` (default
+255), the number of available guarded objects can be controlled. Each object
+requires 2 pages, one for the object itself and the other one used as a guard
+page; object pages are interleaved with guard pages, and every object page is
+therefore surrounded by two guard pages.
+
+The total memory dedicated to the KFENCE memory pool can be computed as::
+
+    ( #objects + 1 ) * 2 * PAGE_SIZE
+
+Using the default config, and assuming a page size of 4 KiB, results in
+dedicating 2 MiB to the KFENCE memory pool.
+
+Note: On architectures that support huge pages, KFENCE will ensure that the
+pool is using pages of size ``PAGE_SIZE``. This will result in additional page
+tables being allocated.
+
+Error reports
+~~~~~~~~~~~~~
+
+A typical out-of-bounds access looks like this::
+
+    ==================================================================
+    BUG: KFENCE: out-of-bounds read in test_out_of_bounds_read+0xa3/0x22b
+
+    Out-of-bounds read at 0xffffffffb672efff (1B left of kfence-#17):
+     test_out_of_bounds_read+0xa3/0x22b
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    kfence-#17 [0xffffffffb672f000-0xffffffffb672f01f, size=32, cache=kmalloc-32] allocated by task 507:
+     test_alloc+0xf3/0x25b
+     test_out_of_bounds_read+0x98/0x22b
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    CPU: 4 PID: 107 Comm: kunit_try_catch Not tainted 5.8.0-rc6+ #7
+    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+    ==================================================================
+
+The header of the report provides a short summary of the function involved in
+the access. It is followed by more detailed information about the access and
+its origin. Note that, real kernel addresses are only shown when using the
+kernel command line option ``no_hash_pointers``.
+
+Use-after-free accesses are reported as::
+
+    ==================================================================
+    BUG: KFENCE: use-after-free read in test_use_after_free_read+0xb3/0x143
+
+    Use-after-free read at 0xffffffffb673dfe0 (in kfence-#24):
+     test_use_after_free_read+0xb3/0x143
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    kfence-#24 [0xffffffffb673dfe0-0xffffffffb673dfff, size=32, cache=kmalloc-32] allocated by task 507:
+     test_alloc+0xf3/0x25b
+     test_use_after_free_read+0x76/0x143
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    freed by task 507:
+     test_use_after_free_read+0xa8/0x143
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    CPU: 4 PID: 109 Comm: kunit_try_catch Tainted: G        W         5.8.0-rc6+ #7
+    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+    ==================================================================
+
+KFENCE also reports on invalid frees, such as double-frees::
+
+    ==================================================================
+    BUG: KFENCE: invalid free in test_double_free+0xdc/0x171
+
+    Invalid free of 0xffffffffb6741000:
+     test_double_free+0xdc/0x171
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    kfence-#26 [0xffffffffb6741000-0xffffffffb674101f, size=32, cache=kmalloc-32] allocated by task 507:
+     test_alloc+0xf3/0x25b
+     test_double_free+0x76/0x171
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    freed by task 507:
+     test_double_free+0xa8/0x171
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    CPU: 4 PID: 111 Comm: kunit_try_catch Tainted: G        W         5.8.0-rc6+ #7
+    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+    ==================================================================
+
+KFENCE also uses pattern-based redzones on the other side of an object's guard
+page, to detect out-of-bounds writes on the unprotected side of the object.
+These are reported on frees::
+
+    ==================================================================
+    BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0xef/0x184
+
+    Corrupted memory at 0xffffffffb6797ff9 [ 0xac . . . . . . ] (in kfence-#69):
+     test_kmalloc_aligned_oob_write+0xef/0x184
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    kfence-#69 [0xffffffffb6797fb0-0xffffffffb6797ff8, size=73, cache=kmalloc-96] allocated by task 507:
+     test_alloc+0xf3/0x25b
+     test_kmalloc_aligned_oob_write+0x57/0x184
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    CPU: 4 PID: 120 Comm: kunit_try_catch Tainted: G        W         5.8.0-rc6+ #7
+    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+    ==================================================================
+
+For such errors, the address where the corruption occurred as well as the
+invalidly written bytes (offset from the address) are shown; in this
+representation, '.' denote untouched bytes. In the example above ``0xac`` is
+the value written to the invalid address at offset 0, and the remaining '.'
+denote that no following bytes have been touched. Note that, real values are
+only shown if the kernel was booted with ``no_hash_pointers``; to avoid
+information disclosure otherwise, '!' is used instead to denote invalidly
+written bytes.
+
+And finally, KFENCE may also report on invalid accesses to any protected page
+where it was not possible to determine an associated object, e.g. if adjacent
+object pages had not yet been allocated::
+
+    ==================================================================
+    BUG: KFENCE: invalid read in test_invalid_access+0x26/0xe0
+
+    Invalid read at 0xffffffffb670b00a:
+     test_invalid_access+0x26/0xe0
+     kunit_try_run_case+0x51/0x85
+     kunit_generic_run_threadfn_adapter+0x16/0x30
+     kthread+0x137/0x160
+     ret_from_fork+0x22/0x30
+
+    CPU: 4 PID: 124 Comm: kunit_try_catch Tainted: G        W         5.8.0-rc6+ #7
+    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+    ==================================================================
+
+DebugFS interface
+~~~~~~~~~~~~~~~~~
+
+Some debugging information is exposed via debugfs:
+
+* The file ``/sys/kernel/debug/kfence/stats`` provides runtime statistics.
+
+* The file ``/sys/kernel/debug/kfence/objects`` provides a list of objects
+  allocated via KFENCE, including those already freed but protected.
+
+Implementation Details
+----------------------
+
+Guarded allocations are set up based on the sample interval. After expiration
+of the sample interval, the next allocation through the main allocator (SLAB or
+SLUB) returns a guarded allocation from the KFENCE object pool (allocation
+sizes up to PAGE_SIZE are supported). At this point, the timer is reset, and
+the next allocation is set up after the expiration of the interval. To "gate" a
+KFENCE allocation through the main allocator's fast-path without overhead,
+KFENCE relies on static branches via the static keys infrastructure. The static
+branch is toggled to redirect the allocation to KFENCE.
+
+KFENCE objects each reside on a dedicated page, at either the left or right
+page boundaries selected at random. The pages to the left and right of the
+object page are "guard pages", whose attributes are changed to a protected
+state, and cause page faults on any attempted access. Such page faults are then
+intercepted by KFENCE, which handles the fault gracefully by reporting an
+out-of-bounds access, and marking the page as accessible so that the faulting
+code can (wrongly) continue executing (set ``panic_on_warn`` to panic instead).
+
+To detect out-of-bounds writes to memory within the object's page itself,
+KFENCE also uses pattern-based redzones. For each object page, a redzone is set
+up for all non-object memory. For typical alignments, the redzone is only
+required on the unguarded side of an object. Because KFENCE must honor the
+cache's requested alignment, special alignments may result in unprotected gaps
+on either side of an object, all of which are redzoned.
+
+The following figure illustrates the page layout::
+
+    ---+-----------+-----------+-----------+-----------+-----------+---
+       | xxxxxxxxx | O :       | xxxxxxxxx |       : O | xxxxxxxxx |
+       | xxxxxxxxx | B :       | xxxxxxxxx |       : B | xxxxxxxxx |
+       | x GUARD x | J : RED-  | x GUARD x | RED-  : J | x GUARD x |
+       | xxxxxxxxx | E :  ZONE | xxxxxxxxx |  ZONE : E | xxxxxxxxx |
+       | xxxxxxxxx | C :       | xxxxxxxxx |       : C | xxxxxxxxx |
+       | xxxxxxxxx | T :       | xxxxxxxxx |       : T | xxxxxxxxx |
+    ---+-----------+-----------+-----------+-----------+-----------+---
+
+Upon deallocation of a KFENCE object, the object's page is again protected and
+the object is marked as freed. Any further access to the object causes a fault
+and KFENCE reports a use-after-free access. Freed objects are inserted at the
+tail of KFENCE's freelist, so that the least recently freed objects are reused
+first, and the chances of detecting use-after-frees of recently freed objects
+is increased.
+
+Interface
+---------
+
+The following describes the functions which are used by allocators as well as
+page handling code to set up and deal with KFENCE allocations.
+
+.. kernel-doc:: include/linux/kfence.h
+   :functions: is_kfence_address
+               kfence_shutdown_cache
+               kfence_alloc kfence_free __kfence_free
+               kfence_ksize kfence_object_start
+               kfence_handle_page_fault
+
+Related Tools
+-------------
+
+In userspace, a similar approach is taken by `GWP-ASan
+<http://llvm.org/docs/GwpAsan.html>`_. GWP-ASan also relies on guard pages and
+a sampling strategy to detect memory unsafety bugs at scale. KFENCE's design is
+directly influenced by GWP-ASan, and can be seen as its kernel sibling. Another
+similar but non-sampling approach, that also inspired the name "KFENCE", can be
+found in the userspace `Electric Fence Malloc Debugger
+<https://linux.die.net/man/3/efence>`_.
+
+In the kernel, several tools exist to debug memory access errors, and in
+particular KASAN can detect all bug classes that KFENCE can detect. While KASAN
+is more precise, relying on compiler instrumentation, this comes at a
+performance cost.
+
+It is worth highlighting that KASAN and KFENCE are complementary, with
+different target environments. For instance, KASAN is the better debugging-aid,
+where test cases or reproducers exists: due to the lower chance to detect the
+error, it would require more effort using KFENCE to debug. Deployments at scale
+that cannot afford to enable KASAN, however, would benefit from using KFENCE to
+discover bugs due to code paths not exercised by test cases or fuzzers.
diff --git a/Documentation/device-mapper/dm-bow.txt b/Documentation/device-mapper/dm-bow.txt
new file mode 100644
index 0000000..e3fc4d2
--- /dev/null
+++ b/Documentation/device-mapper/dm-bow.txt
@@ -0,0 +1,99 @@
+dm_bow (backup on write)
+========================
+
+dm_bow is a device mapper driver that uses the free space on a device to back up
+data that is overwritten. The changes can then be committed by a simple state
+change, or rolled back by removing the dm_bow device and running a command line
+utility over the underlying device.
+
+dm_bow has three states, set by writing ‘1’ or ‘2’ to /sys/block/dm-?/bow/state.
+It is only possible to go from state 0 (initial state) to state 1, and then from
+state 1 to state 2.
+
+State 0: dm_bow collects all trims to the device and assumes that these mark
+free space on the overlying file system that can be safely used. Typically the
+mount code would create the dm_bow device, mount the file system, call the
+FITRIM ioctl on the file system then switch to state 1. These trims are not
+propagated to the underlying device.
+
+State 1: All writes to the device cause the underlying data to be backed up to
+the free (trimmed) area as needed in such a way as they can be restored.
+However, the writes, with one exception, then happen exactly as they would
+without dm_bow, so the device is always in a good final state. The exception is
+that sector 0 is used to keep a log of the latest changes, both to indicate that
+we are in this state and to allow rollback. See below for all details. If there
+isn't enough free space, writes are failed with -ENOSPC.
+
+State 2: The transition to state 2 triggers replacing the special sector 0 with
+the normal sector 0, and the freeing of all state information. dm_bow then
+becomes a pass-through driver, allowing the device to continue to be used with
+minimal performance impact.
+
+Usage
+=====
+dm-bow takes one command line parameter, the name of the underlying device.
+
+dm-bow will typically be used in the following way. dm-bow will be loaded with a
+suitable underlying device and the resultant device will be mounted. A file
+system trim will be issued via the FITRIM ioctl, then the device will be
+switched to state 1. The file system will now be used as normal. At some point,
+the changes can either be committed by switching to state 2, or rolled back by
+unmounting the file system, removing the dm-bow device and running the command
+line utility. Note that rebooting the device will be equivalent to unmounting
+and removing, but the command line utility must still be run
+
+Details of operation in state 1
+===============================
+
+dm_bow maintains a type for all sectors. A sector can be any of:
+
+SECTOR0
+SECTOR0_CURRENT
+UNCHANGED
+FREE
+CHANGED
+BACKUP
+
+SECTOR0 is the first sector on the device, and is used to hold the log of
+changes. This is the one exception.
+
+SECTOR0_CURRENT is a sector picked from the FREE sectors, and is where reads and
+writes from the true sector zero are redirected to. Note that like any backup
+sector, if the sector is written to directly, it must be moved again.
+
+UNCHANGED means that the sector has not been changed since we entered state 1.
+Thus if it is written to or trimmed, the contents must first be backed up.
+
+FREE means that the sector was trimmed in state 0 and has not yet been written
+to or used for backup. On being written to, a FREE sector is changed to CHANGED.
+
+CHANGED means that the sector has been modified, and can be further modified
+without further backup.
+
+BACKUP means that this is a free sector being used as a backup. On being written
+to, the contents must first be backed up again.
+
+All backup operations are logged to the first sector. The log sector has the
+format:
+--------------------------------------------------------
+| Magic | Count | Sequence | Log entry | Log entry | …
+--------------------------------------------------------
+
+Magic is a magic number. Count is the number of log entries. Sequence is 0
+initially. A log entry is
+
+-----------------------------------
+| Source | Dest | Size | Checksum |
+-----------------------------------
+
+When SECTOR0 is full, the log sector is backed up and another empty log sector
+created with sequence number one higher. The first entry in any log entry with
+sequence > 0 therefore must be the log of the backing up of the previous log
+sector. Note that sequence is not strictly needed, but is a useful sanity check
+and potentially limits the time spent trying to restore a corrupted snapshot.
+
+On entering state 1, dm_bow has a list of free sectors. All other sectors are
+unchanged. Sector0_current is selected from the free sectors and the contents of
+sector 0 are copied there. The sector 0 is backed up, which triggers the first
+log entry to be written.
+
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index f504200..68764fe 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -48,7 +48,7 @@
 	$(call cmd,mk_schema)
 endef
 
-DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
+DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_cmd)))
 
 override DTC_FLAGS := \
 	-Wno-avoid_unnecessary_addr_size \
diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt
index 55deb68..667d58e 100644
--- a/Documentation/devicetree/bindings/arm/arm,scmi.txt
+++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt
@@ -31,6 +31,14 @@
 
 - mbox-names: shall be "tx" or "rx" depending on mboxes entries.
 
+- interrupts : when using smc or hvc transports, this optional
+	 property indicates that msg completion by the platform is indicated
+	 by an interrupt rather than by the return of the smc call. This
+	 should not be used except when the platform requires such behavior.
+
+- interrupt-names : if "interrupts" is present, interrupt-names must also
+	 be present and have the value "a2p".
+
 See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details
 about the generic mailbox controller and client driver bindings.
 
@@ -62,6 +70,20 @@
  - #power-domain-cells : Should be 1. Contains the device or the power
 			 domain ID value used by SCMI commands.
 
+Regulator bindings for the SCMI Regulator based on SCMI Message Protocol
+------------------------------------------------------------
+An SCMI Regulator is permanently bound to a well defined SCMI Voltage Domain,
+and should be always positioned as a root regulator.
+It does not support any current operation.
+
+SCMI Regulators are grouped under a 'regulators' node which in turn is a child
+of the SCMI Voltage protocol node inside the desired SCMI instance node.
+
+This binding uses the common regulator binding[6].
+
+Required properties:
+ - reg : shall identify an existent SCMI Voltage Domain.
+
 Sensor bindings for the sensors based on SCMI Message Protocol
 --------------------------------------------------------------
 SCMI provides an API to access the various sensors on the SoC.
@@ -105,6 +127,7 @@
 [3] Documentation/devicetree/bindings/thermal/thermal*.yaml
 [4] Documentation/devicetree/bindings/sram/sram.yaml
 [5] Documentation/devicetree/bindings/reset/reset.txt
+[6] Documentation/devicetree/bindings/regulator/regulator.yaml
 
 Example:
 
@@ -169,6 +192,25 @@
 			reg = <0x16>;
 			#reset-cells = <1>;
 		};
+
+		scmi_voltage: protocol@17 {
+			reg = <0x17>;
+
+			regulators {
+				regulator_devX: regulator@0 {
+					reg = <0x0>;
+					regulator-max-microvolt = <3300000>;
+				};
+
+				regulator_devY: regulator@9 {
+					reg = <0x9>;
+					regulator-min-microvolt = <500000>;
+					regulator-max-microvolt = <4200000>;
+				};
+
+				...
+			};
+		};
 	};
 };
 
diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676..7f9c1ca 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -34,9 +34,12 @@
 					Program Flow Trace Macrocell:
 			"arm,coresight-etm3x", "arm,primecell";
 
-		- Embedded Trace Macrocell (version 4.x):
+		- Embedded Trace Macrocell (version 4.x), with memory mapped access.
 			"arm,coresight-etm4x", "arm,primecell";
 
+		- Embedded Trace Macrocell (version 4.x), with system register access only.
+			"arm,coresight-etm4x-sysreg";
+
 		- Coresight programmable Replicator :
 			"arm,coresight-dynamic-replicator", "arm,primecell";
 
diff --git a/Documentation/devicetree/bindings/arm/ete.yaml b/Documentation/devicetree/bindings/arm/ete.yaml
new file mode 100644
index 0000000..572564a
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/ete.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+# Copyright 2021, Arm Ltd
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/ete.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: ARM Embedded Trace Extensions
+
+maintainers:
+  - Suzuki K Poulose <suzuki.poulose@arm.com>
+  - Mathieu Poirier <mathieu.poirier@linaro.org>
+
+description: |
+  Arm Embedded Trace Extension(ETE) is a per CPU trace component that
+  allows tracing the CPU execution. It overlaps with the CoreSight ETMv4
+  architecture and has extended support for future architecture changes.
+  The trace generated by the ETE could be stored via legacy CoreSight
+  components (e.g, TMC-ETR) or other means (e.g, using a per CPU buffer
+  Arm Trace Buffer Extension (TRBE)). Since the ETE can be connected to
+  legacy CoreSight components, a node must be listed per instance, along
+  with any optional connection graph as per the coresight bindings.
+  See bindings/arm/coresight.txt.
+
+properties:
+  $nodename:
+    pattern: "^ete([0-9a-f]+)$"
+  compatible:
+    items:
+      - const: arm,embedded-trace-extension
+
+  cpu:
+    description: |
+      Handle to the cpu this ETE is bound to.
+    $ref: /schemas/types.yaml#/definitions/phandle
+
+  out-ports:
+    description: |
+      Output connections from the ETE to legacy CoreSight trace bus.
+    $ref: /schemas/graph.yaml#/properties/ports
+    properties:
+      port:
+        description: Output connection from the ETE to legacy CoreSight Trace bus.
+        $ref: /schemas/graph.yaml#/properties/port required:
+
+required:
+  - compatible
+  - cpu
+
+additionalProperties: false
+
+examples:
+
+# An ETE node without legacy CoreSight connections
+  - |
+    ete0 {
+      compatible = "arm,embedded-trace-extension";
+      cpu = <&cpu_0>;
+    };
+# An ETE node with legacy CoreSight connections
+  - |
+   ete1 {
+      compatible = "arm,embedded-trace-extension";
+      cpu = <&cpu_1>;
+
+      out-ports {        /* legacy coresight connection */
+         port {
+             ete1_out_port: endpoint {
+                remote-endpoint = <&funnel_in_port0>;
+             };
+         };
+      };
+   };
+
+...
diff --git a/Documentation/devicetree/bindings/arm/trbe.yaml b/Documentation/devicetree/bindings/arm/trbe.yaml
new file mode 100644
index 0000000..4402d7b
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/trbe.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+# Copyright 2021, Arm Ltd
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/trbe.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: ARM Trace Buffer Extensions
+
+maintainers:
+  - Anshuman Khandual <anshuman.khandual@arm.com>
+
+description: |
+  Arm Trace Buffer Extension (TRBE) is a per CPU component
+  for storing trace generated on the CPU to memory. It is
+  accessed via CPU system registers. The software can verify
+  if it is permitted to use the component by checking the
+  TRBIDR register.
+
+properties:
+  $nodename:
+    const: "trbe"
+  compatible:
+    items:
+      - const: arm,trace-buffer-extension
+
+  interrupts:
+    description: |
+       Exactly 1 PPI must be listed. For heterogeneous systems where
+       TRBE is only supported on a subset of the CPUs, please consult
+       the arm,gic-v3 binding for details on describing a PPI partition.
+    maxItems: 1
+
+required:
+  - compatible
+  - interrupts
+
+additionalProperties: false
+
+examples:
+
+  - |
+   #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+   trbe {
+     compatible = "arm,trace-buffer-extension";
+     interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>;
+   };
+...
diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
index 728f82d..d3c4206 100644
--- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
+++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
@@ -93,6 +93,28 @@
       - device
       - dual
 
+  typec-power-opmode:
+    description: Determines the power operation mode that the Type C connector
+      will support and will advertise through CC pins when it has no power
+      delivery support.
+      - "default" corresponds to default USB voltage and current defined by the
+        USB 2.0 and USB 3.2 specifications, 5V 500mA for USB 2.0 ports and
+        5V 900mA or 1500mA for USB 3.2 ports in single-lane or dual-lane
+        operation respectively.
+      - "1.5A" and "3.0A", 5V 1.5A and 5V 3.0A respectively, as defined in USB
+        Type-C Cable and Connector specification, when Power Delivery is not
+        supported.
+    allOf:
+      - $ref: /schemas/types.yaml#definitions/string
+    enum:
+      - default
+      - 1.5A
+      - 3.0A
+
+  pd-disable:
+    description: Set this property if the Type-C connector has no power delivery support.
+    type: boolean
+
   # The following are optional properties for "usb-c-connector" with power
   # delivery support.
   source-pdos:
@@ -119,6 +141,29 @@
     maxItems: 7
     $ref: /schemas/types.yaml#/definitions/uint32-array
 
+  sink-vdos:
+    description: An array of u32 with each entry, a Vendor Defined Message Object (VDO),
+      providing additional information corresponding to the product, the detailed bit
+      definitions and the order of each VDO can be found in
+      "USB Power Delivery Specification Revision 3.0, Version 2.0 + ECNs 2020-12-10"
+      chapter 6.4.4.3.1 Discover Identity. User can specify the VDO array via
+      VDO_IDH/_CERT/_PRODUCT/_UFP/_DFP/_PCABLE/_ACABLE(1/2)/_VPD() defined in
+      dt-bindings/usb/pd.h.
+    minItems: 3
+    maxItems: 6
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+
+  sink-vdos-v1:
+    description: An array of u32 with each entry, a Vendor Defined Message Object (VDO),
+      providing additional information corresponding to the product, the detailed bit
+      definitions and the order of each VDO can be found in
+      "USB Power Delivery Specification Revision 2.0, Version 1.3" chapter 6.4.4.3.1 Discover
+      Identity. User can specify the VDO array via VDO_IDH/_CERT/_PRODUCT/_CABLE/_AMA defined in
+      dt-bindings/usb/pd.h.
+    minItems: 3
+    maxItems: 6
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+
   op-sink-microwatt:
     description: Sink required operating power in microwatt, if source can't
       offer the power, Capability Mismatch is set. Required for power sink and
@@ -147,6 +192,39 @@
     required:
       - port@0
 
+  new-source-frs-typec-current:
+    description: Initial current capability of the new source when vSafe5V
+      is applied during PD3.0 Fast Role Swap. "Table 6-14 Fixed Supply PDO - Sink"
+      of "USB Power Delivery Specification Revision 3.0, Version 1.2" provides the
+      different power levels and "6.4.1.3.1.6 Fast Role Swap USB Type-C Current"
+      provides a detailed description of the field. The sink PDO from current source
+      reflects the current source's(i.e. transmitter of the FRS signal) power
+      requirement during fr swap. The current sink (i.e. receiver of the FRS signal),
+      a.k.a new source, should check if it will be able to satisfy the current source's,
+      new sink's, requirement during frswap before enabling the frs signal reception.
+      This property refers to maximum current capability that the current sink can
+      satisfy. During FRS, VBUS voltage is at 5V, as the partners are in implicit
+      contract, hence, the power level is only a function of the current capability.
+      "1" refers to default USB power level as described by "Table 6-14 Fixed Supply PDO - Sink".
+      "2" refers to 1.5A@5V.
+      "3" refers to 3.0A@5V.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 3]
+
+  slow-charger-loop:
+    description: Allows PMIC charger loops which are slow(i.e. cannot meet the 15ms deadline) to
+      still comply to pSnkStby i.e Maximum power that can be consumed by sink while in Sink Standby
+      state as defined in 7.4.2 Sink Electrical Parameters of USB Power Delivery Specification
+      Revision 3.0, Version 1.2. When the property is set, the port requests pSnkStby(2.5W -
+      5V@500mA) upon entering SNK_DISCOVERY(instead of 3A or the 1.5A, Rp current advertised, during
+      SNK_DISCOVERY) and the actual currrent limit after reception of PS_Ready for PD link or during
+      SNK_READY for non-pd link.
+    type: boolean
+
+dependencies:
+  sink-vdos-v1: [ 'sink-vdos' ]
+  sink-vdos: [ 'sink-vdos-v1' ]
+
 required:
   - compatible
 
@@ -173,6 +251,12 @@
         type:
           const: micro
 
+anyOf:
+  - not:
+      required:
+        - typec-power-opmode
+        - new-source-frs-typec-current
+
 additionalProperties: true
 
 examples:
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
index 1212207..62a5e13 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
@@ -63,7 +63,7 @@
 - larb: Should contain a phandle pointing to the local arbiter device as defined
   in Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
 - iommus: Should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 
 Examples:
diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt
index 1df2939..004584e 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt
@@ -25,6 +25,9 @@
 	Usage: required
 	Value type: <prop-encoded-array>
 	Definition: Specifies the base physical address for PDC hardware.
+		    Optionally, specify the PDC's GIC interface registers that
+		    need to be configured for wakeup capable GPIOs routed to
+		    the PDC.
 
 - interrupt-cells:
 	Usage: required
@@ -51,15 +54,23 @@
 		    The second element is the GIC hwirq number for the PDC port.
 		    The third element is the number of interrupts in sequence.
 
+- qcom,scm-spi-cfg:
+	Usage: optional
+	Value type: <bool>
+	Definition: Specifies if the SPI configuration registers have to be
+		    written from the firmware. Sometimes the PDC interface
+		    register to the GIC can only be written from the firmware.
+
 Example:
 
 	pdc: interrupt-controller@b220000 {
 		compatible = "qcom,sdm845-pdc";
-		reg = <0xb220000 0x30000>;
+		reg = <0 0x0b220000 0 0x30000>, <0 0x179900f0 0 0x60>;
 		qcom,pdc-ranges = <0 512 94>, <94 641 15>, <115 662 7>;
 		#interrupt-cells = <2>;
 		interrupt-parent = <&intc>;
 		interrupt-controller;
+		qcom,scm-spi-cfg;
 	};
 
 DT binding of a device that wants to use the GIC SPI 514 as a wakeup
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 503160a..3b63f2a 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -28,8 +28,6 @@
           - enum:
               - qcom,msm8996-smmu-v2
               - qcom,msm8998-smmu-v2
-              - qcom,sc7180-smmu-v2
-              - qcom,sdm845-smmu-v2
           - const: qcom,smmu-v2
 
       - description: Qcom SoCs implementing "arm,mmu-500"
@@ -40,6 +38,13 @@
               - qcom,sm8150-smmu-500
               - qcom,sm8250-smmu-500
           - const: arm,mmu-500
+      - description: Qcom Adreno GPUs implementing "arm,smmu-v2"
+        items:
+          - enum:
+              - qcom,sc7180-smmu-v2
+              - qcom,sdm845-smmu-v2
+          - const: qcom,adreno-smmu
+          - const: qcom,smmu-v2
       - description: Marvell SoCs implementing "arm,mmu-500"
         items:
           - const: marvell,ap806-smmu-500
diff --git a/Documentation/devicetree/bindings/iommu/google,s2mpu.yaml b/Documentation/devicetree/bindings/iommu/google,s2mpu.yaml
new file mode 100644
index 0000000..18bc100
--- /dev/null
+++ b/Documentation/devicetree/bindings/iommu/google,s2mpu.yaml
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iommu/google,s2mpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: S2MPU device tree bindings
+
+maintainers:
+  - David Brazdil <dbrazdil@google.com>
+
+properties:
+  reg:
+    maxItems: 1
+
+  compatible:
+    contains:
+      const: google,s2mpu
+
+  power-domain-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      ID of the power domain that the S2MPU belongs to. If not specified,
+      the device is assumed to be always powered.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
deleted file mode 100644
index ac949f7..0000000
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+++ /dev/null
@@ -1,105 +0,0 @@
-* Mediatek IOMMU Architecture Implementation
-
-  Some Mediatek SOCs contain a Multimedia Memory Management Unit (M4U), and
-this M4U have two generations of HW architecture. Generation one uses flat
-pagetable, and only supports 4K size page mapping. Generation two uses the
-ARM Short-Descriptor translation table format for address translation.
-
-  About the M4U Hardware Block Diagram, please check below:
-
-              EMI (External Memory Interface)
-               |
-              m4u (Multimedia Memory Management Unit)
-               |
-          +--------+
-          |        |
-      gals0-rx   gals1-rx    (Global Async Local Sync rx)
-          |        |
-          |        |
-      gals0-tx   gals1-tx    (Global Async Local Sync tx)
-          |        |          Some SoCs may have GALS.
-          +--------+
-               |
-           SMI Common(Smart Multimedia Interface Common)
-               |
-       +----------------+-------
-       |                |
-       |             gals-rx        There may be GALS in some larbs.
-       |                |
-       |                |
-       |             gals-tx
-       |                |
-   SMI larb0        SMI larb1   ... SoCs have several SMI local arbiter(larb).
-   (display)         (vdec)
-       |                |
-       |                |
- +-----+-----+     +----+----+
- |     |     |     |    |    |
- |     |     |...  |    |    |  ... There are different ports in each larb.
- |     |     |     |    |    |
-OVL0 RDMA0 WDMA0  MC   PP   VLD
-
-  As above, The Multimedia HW will go through SMI and M4U while it
-access EMI. SMI is a bridge between m4u and the Multimedia HW. It contain
-smi local arbiter and smi common. It will control whether the Multimedia
-HW should go though the m4u for translation or bypass it and talk
-directly with EMI. And also SMI help control the power domain and clocks for
-each local arbiter.
-  Normally we specify a local arbiter(larb) for each multimedia HW
-like display, video decode, and camera. And there are different ports
-in each larb. Take a example, There are many ports like MC, PP, VLD in the
-video decode local arbiter, all these ports are according to the video HW.
-  In some SoCs, there may be a GALS(Global Async Local Sync) module between
-smi-common and m4u, and additional GALS module between smi-larb and
-smi-common. GALS can been seen as a "asynchronous fifo" which could help
-synchronize for the modules in different clock frequency.
-
-Required properties:
-- compatible : must be one of the following string:
-	"mediatek,mt2701-m4u" for mt2701 which uses generation one m4u HW.
-	"mediatek,mt2712-m4u" for mt2712 which uses generation two m4u HW.
-	"mediatek,mt6779-m4u" for mt6779 which uses generation two m4u HW.
-	"mediatek,mt7623-m4u", "mediatek,mt2701-m4u" for mt7623 which uses
-						     generation one m4u HW.
-	"mediatek,mt8167-m4u" for mt8167 which uses generation two m4u HW.
-	"mediatek,mt8173-m4u" for mt8173 which uses generation two m4u HW.
-	"mediatek,mt8183-m4u" for mt8183 which uses generation two m4u HW.
-- reg : m4u register base and size.
-- interrupts : the interrupt of m4u.
-- clocks : must contain one entry for each clock-names.
-- clock-names : Only 1 optional clock:
-  - "bclk": the block clock of m4u.
-  Here is the list which require this "bclk":
-  - mt2701, mt2712, mt7623 and mt8173.
-  Note that m4u use the EMI clock which always has been enabled before kernel
-  if there is no this "bclk".
-- mediatek,larbs : List of phandle to the local arbiters in the current Socs.
-	Refer to bindings/memory-controllers/mediatek,smi-larb.txt. It must sort
-	according to the local arbiter index, like larb0, larb1, larb2...
-- iommu-cells : must be 1. This is the mtk_m4u_id according to the HW.
-	Specifies the mtk_m4u_id as defined in
-	dt-binding/memory/mt2701-larb-port.h for mt2701, mt7623
-	dt-binding/memory/mt2712-larb-port.h for mt2712,
-	dt-binding/memory/mt6779-larb-port.h for mt6779,
-	dt-binding/memory/mt8167-larb-port.h for mt8167,
-	dt-binding/memory/mt8173-larb-port.h for mt8173, and
-	dt-binding/memory/mt8183-larb-port.h for mt8183.
-
-Example:
-	iommu: iommu@10205000 {
-		compatible = "mediatek,mt8173-m4u";
-		reg = <0 0x10205000 0 0x1000>;
-		interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_LOW>;
-		clocks = <&infracfg CLK_INFRA_M4U>;
-		clock-names = "bclk";
-		mediatek,larbs = <&larb0 &larb1 &larb2 &larb3 &larb4 &larb5>;
-		#iommu-cells = <1>;
-	};
-
-Example for a client device:
-	display {
-		compatible = "mediatek,mt8173-disp";
-		iommus = <&iommu M4U_PORT_DISP_OVL0>,
-			 <&iommu M4U_PORT_DISP_RDMA0>;
-		...
-	};
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
new file mode 100644
index 0000000..0f26fe1
--- /dev/null
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -0,0 +1,183 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iommu/mediatek,iommu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek IOMMU Architecture Implementation
+
+maintainers:
+  - Yong Wu <yong.wu@mediatek.com>
+
+description: |+
+  Some MediaTek SOCs contain a Multimedia Memory Management Unit (M4U), and
+  this M4U have two generations of HW architecture. Generation one uses flat
+  pagetable, and only supports 4K size page mapping. Generation two uses the
+  ARM Short-Descriptor translation table format for address translation.
+
+  About the M4U Hardware Block Diagram, please check below:
+
+                EMI (External Memory Interface)
+                 |
+                m4u (Multimedia Memory Management Unit)
+                 |
+            +--------+
+            |        |
+        gals0-rx   gals1-rx    (Global Async Local Sync rx)
+            |        |
+            |        |
+        gals0-tx   gals1-tx    (Global Async Local Sync tx)
+            |        |          Some SoCs may have GALS.
+            +--------+
+                 |
+             SMI Common(Smart Multimedia Interface Common)
+                 |
+         +----------------+-------
+         |                |
+         |             gals-rx        There may be GALS in some larbs.
+         |                |
+         |                |
+         |             gals-tx
+         |                |
+     SMI larb0        SMI larb1   ... SoCs have several SMI local arbiter(larb).
+     (display)         (vdec)
+         |                |
+         |                |
+   +-----+-----+     +----+----+
+   |     |     |     |    |    |
+   |     |     |...  |    |    |  ... There are different ports in each larb.
+   |     |     |     |    |    |
+  OVL0 RDMA0 WDMA0  MC   PP   VLD
+
+  As above, The Multimedia HW will go through SMI and M4U while it
+  access EMI. SMI is a bridge between m4u and the Multimedia HW. It contain
+  smi local arbiter and smi common. It will control whether the Multimedia
+  HW should go though the m4u for translation or bypass it and talk
+  directly with EMI. And also SMI help control the power domain and clocks for
+  each local arbiter.
+
+  Normally we specify a local arbiter(larb) for each multimedia HW
+  like display, video decode, and camera. And there are different ports
+  in each larb. Take a example, There are many ports like MC, PP, VLD in the
+  video decode local arbiter, all these ports are according to the video HW.
+
+  In some SoCs, there may be a GALS(Global Async Local Sync) module between
+  smi-common and m4u, and additional GALS module between smi-larb and
+  smi-common. GALS can been seen as a "asynchronous fifo" which could help
+  synchronize for the modules in different clock frequency.
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - mediatek,mt2701-m4u  # generation one
+          - mediatek,mt2712-m4u  # generation two
+          - mediatek,mt6779-m4u  # generation two
+          - mediatek,mt8167-m4u  # generation two
+          - mediatek,mt8173-m4u  # generation two
+          - mediatek,mt8183-m4u  # generation two
+          - mediatek,mt8192-m4u  # generation two
+
+      - description: mt7623 generation one
+        items:
+          - const: mediatek,mt7623-m4u
+          - const: mediatek,mt2701-m4u
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: bclk is the block clock.
+
+  clock-names:
+    items:
+      - const: bclk
+
+  mediatek,larbs:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    minItems: 1
+    maxItems: 32
+    description: |
+      List of phandle to the local arbiters in the current Socs.
+      Refer to bindings/memory-controllers/mediatek,smi-larb.yaml. It must sort
+      according to the local arbiter index, like larb0, larb1, larb2...
+
+  '#iommu-cells':
+    const: 1
+    description: |
+      This is the mtk_m4u_id according to the HW. Specifies the mtk_m4u_id as
+      defined in
+      dt-binding/memory/mt2701-larb-port.h for mt2701 and mt7623,
+      dt-binding/memory/mt2712-larb-port.h for mt2712,
+      dt-binding/memory/mt6779-larb-port.h for mt6779,
+      dt-binding/memory/mt8167-larb-port.h for mt8167,
+      dt-binding/memory/mt8173-larb-port.h for mt8173,
+      dt-binding/memory/mt8183-larb-port.h for mt8183,
+      dt-binding/memory/mt8192-larb-port.h for mt8192.
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - mediatek,larbs
+  - '#iommu-cells'
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt2701-m4u
+              - mediatek,mt2712-m4u
+              - mediatek,mt8173-m4u
+              - mediatek,mt8192-m4u
+
+    then:
+      required:
+        - clocks
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - mediatek,mt8192-m4u
+
+    then:
+      required:
+        - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    iommu: iommu@10205000 {
+            compatible = "mediatek,mt8173-m4u";
+            reg = <0x10205000 0x1000>;
+            interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_LOW>;
+            clocks = <&infracfg CLK_INFRA_M4U>;
+            clock-names = "bclk";
+            mediatek,larbs = <&larb0 &larb1 &larb2
+                              &larb3 &larb4 &larb5>;
+            #iommu-cells = <1>;
+    };
+
+  - |
+    #include <dt-bindings/memory/mt8173-larb-port.h>
+
+    /* Example for a client device */
+    display {
+           compatible = "mediatek,mt8173-disp";
+           iommus = <&iommu M4U_PORT_DISP_OVL0>,
+                    <&iommu M4U_PORT_DISP_RDMA0>;
+     };
diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
index 044b119..169cf3b 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
@@ -19,7 +19,7 @@
   Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
   for details.
 - iommus: should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 
 Example:
diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
index 736be7c..5e11681 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
@@ -17,7 +17,7 @@
   Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
   for details.
 - iommus: should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 
 Example:
diff --git a/Documentation/devicetree/bindings/media/mediatek-mdp.txt b/Documentation/devicetree/bindings/media/mediatek-mdp.txt
index 0d03e3a..5579783 100644
--- a/Documentation/devicetree/bindings/media/mediatek-mdp.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-mdp.txt
@@ -25,7 +25,7 @@
         "mediatek,mt8173-mdp-wdma"
         "mediatek,mt8173-mdp-wrot"
 - iommus: should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 - mediatek,larb: must contain the local arbiters in the current Socs, see
   Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
index 8217424..a83ebc1 100644
--- a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
@@ -18,7 +18,7 @@
   "univpll_d2", "clk_cci400_sel", "vdec_sel", "vdecpll", "vencpll",
   "venc_lt_sel", "vdec_bus_clk_src".
 - iommus : should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 One of the two following nodes:
 - mediatek,vpu : the node of the video processor unit, if using VPU.
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
deleted file mode 100644
index dbafffe..0000000
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-SMI (Smart Multimedia Interface) Common
-
-The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
-
-Mediatek SMI have two generations of HW architecture, here is the list
-which generation the SoCs use:
-generation 1: mt2701 and mt7623.
-generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183.
-
-There's slight differences between the two SMI, for generation 2, the
-register which control the iommu port is at each larb's register base. But
-for generation 1, the register is at smi ao base(smi always on register
-base). Besides that, the smi async clock should be prepared and enabled for
-SMI generation 1 to transform the smi clock into emi clock domain, but that is
-not needed for SMI generation 2.
-
-Required properties:
-- compatible : must be one of :
-	"mediatek,mt2701-smi-common"
-	"mediatek,mt2712-smi-common"
-	"mediatek,mt6779-smi-common"
-	"mediatek,mt7623-smi-common", "mediatek,mt2701-smi-common"
-	"mediatek,mt8167-smi-common"
-	"mediatek,mt8173-smi-common"
-	"mediatek,mt8183-smi-common"
-- reg : the register and size of the SMI block.
-- power-domains : a phandle to the power domain of this local arbiter.
-- clocks : Must contain an entry for each entry in clock-names.
-- clock-names : must contain 3 entries for generation 1 smi HW and 2 entries
-  for generation 2 smi HW as follows:
-  - "apb" : Advanced Peripheral Bus clock, It's the clock for setting
-	    the register.
-  - "smi" : It's the clock for transfer data and command.
-	    They may be the same if both source clocks are the same.
-  - "async" : asynchronous clock, it help transform the smi clock into the emi
-	      clock domain, this clock is only needed by generation 1 smi HW.
-  and these 2 option clocks for generation 2 smi HW:
-  - "gals0": the path0 clock of GALS(Global Async Local Sync).
-  - "gals1": the path1 clock of GALS(Global Async Local Sync).
-  Here is the list which has this GALS: mt6779 and mt8183.
-
-Example:
-	smi_common: smi@14022000 {
-		compatible = "mediatek,mt8173-smi-common";
-		reg = <0 0x14022000 0 0x1000>;
-		power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
-		clocks = <&mmsys CLK_MM_SMI_COMMON>,
-			 <&mmsys CLK_MM_SMI_COMMON>;
-		clock-names = "apb", "smi";
-	};
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
new file mode 100644
index 0000000..57b9d23
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
@@ -0,0 +1,137 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/mediatek,smi-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SMI (Smart Multimedia Interface) Common
+
+maintainers:
+  - Yong Wu <yong.wu@mediatek.com>
+
+description: |
+  The hardware block diagram please check bindings/iommu/mediatek,iommu.yaml
+
+  MediaTek SMI have two generations of HW architecture, here is the list
+  which generation the SoCs use:
+  generation 1: mt2701 and mt7623.
+  generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183.
+
+  There's slight differences between the two SMI, for generation 2, the
+  register which control the iommu port is at each larb's register base. But
+  for generation 1, the register is at smi ao base(smi always on register
+  base). Besides that, the smi async clock should be prepared and enabled for
+  SMI generation 1 to transform the smi clock into emi clock domain, but that is
+  not needed for SMI generation 2.
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - mediatek,mt2701-smi-common
+          - mediatek,mt2712-smi-common
+          - mediatek,mt6779-smi-common
+          - mediatek,mt8167-smi-common
+          - mediatek,mt8173-smi-common
+          - mediatek,mt8183-smi-common
+
+      - description: for mt7623
+        items:
+          - const: mediatek,mt7623-smi-common
+          - const: mediatek,mt2701-smi-common
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    description: |
+      apb and smi are mandatory. the async is only for generation 1 smi HW.
+      gals(global async local sync) also is optional, see below.
+    minItems: 2
+    maxItems: 4
+    items:
+      - description: apb is Advanced Peripheral Bus clock, It's the clock for
+          setting the register.
+      - description: smi is the clock for transfer data and command.
+      - description: async is asynchronous clock, it help transform the smi
+          clock into the emi clock domain.
+      - description: gals0 is the path0 clock of gals.
+      - description: gals1 is the path1 clock of gals.
+
+  clock-names:
+    minItems: 2
+    maxItems: 4
+
+required:
+  - compatible
+  - reg
+  - power-domains
+  - clocks
+  - clock-names
+
+allOf:
+  - if:  # only for gen1 HW
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt2701-smi-common
+    then:
+      properties:
+        clocks:
+          minItems: 3
+          maxItems: 3
+        clock-names:
+          items:
+            - const: apb
+            - const: smi
+            - const: async
+
+  - if:  # for gen2 HW that have gals
+      properties:
+        compatible:
+          enum:
+            - mediatek,mt6779-smi-common
+            - mediatek,mt8183-smi-common
+
+    then:
+      properties:
+        clocks:
+          minItems: 4
+          maxItems: 4
+        clock-names:
+          items:
+            - const: apb
+            - const: smi
+            - const: gals0
+            - const: gals1
+
+    else:  # for gen2 HW that don't have gals
+      properties:
+        clocks:
+          minItems: 2
+          maxItems: 2
+        clock-names:
+          items:
+            - const: apb
+            - const: smi
+
+additionalProperties: false
+
+examples:
+  - |+
+    #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/power/mt8173-power.h>
+
+    smi_common: smi@14022000 {
+            compatible = "mediatek,mt8173-smi-common";
+            reg = <0x14022000 0x1000>;
+            power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
+            clocks = <&mmsys CLK_MM_SMI_COMMON>,
+                     <&mmsys CLK_MM_SMI_COMMON>;
+            clock-names = "apb", "smi";
+    };
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
deleted file mode 100644
index 0c5de12..0000000
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-SMI (Smart Multimedia Interface) Local Arbiter
-
-The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
-
-Required properties:
-- compatible : must be one of :
-		"mediatek,mt2701-smi-larb"
-		"mediatek,mt2712-smi-larb"
-		"mediatek,mt6779-smi-larb"
-		"mediatek,mt7623-smi-larb", "mediatek,mt2701-smi-larb"
-		"mediatek,mt8167-smi-larb"
-		"mediatek,mt8173-smi-larb"
-		"mediatek,mt8183-smi-larb"
-- reg : the register and size of this local arbiter.
-- mediatek,smi : a phandle to the smi_common node.
-- power-domains : a phandle to the power domain of this local arbiter.
-- clocks : Must contain an entry for each entry in clock-names.
-- clock-names: must contain 2 entries, as follows:
-  - "apb" : Advanced Peripheral Bus clock, It's the clock for setting
-	    the register.
-  - "smi" : It's the clock for transfer data and command.
-  and this optional clock name:
-  - "gals": the clock for GALS(Global Async Local Sync).
-  Here is the list which has this GALS: mt8183.
-
-Required property for mt2701, mt2712, mt6779, mt7623 and mt8167:
-- mediatek,larb-id :the hardware id of this larb.
-
-Example:
-	larb1: larb@16010000 {
-		compatible = "mediatek,mt8173-smi-larb";
-		reg = <0 0x16010000 0 0x1000>;
-		mediatek,smi = <&smi_common>;
-		power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>;
-		clocks = <&vdecsys CLK_VDEC_CKEN>,
-			 <&vdecsys CLK_VDEC_LARB_CKEN>;
-		clock-names = "apb", "smi";
-	};
-
-Example for mt2701:
-	larb0: larb@14010000 {
-		compatible = "mediatek,mt2701-smi-larb";
-		reg = <0 0x14010000 0 0x1000>;
-		mediatek,smi = <&smi_common>;
-		mediatek,larb-id = <0>;
-		clocks = <&mmsys CLK_MM_SMI_LARB0>,
-			 <&mmsys CLK_MM_SMI_LARB0>;
-		clock-names = "apb", "smi";
-		power-domains = <&scpsys MT2701_POWER_DOMAIN_DISP>;
-	};
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
new file mode 100644
index 0000000..2335a52
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
@@ -0,0 +1,128 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/mediatek,smi-larb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SMI (Smart Multimedia Interface) Local Arbiter
+
+maintainers:
+  - Yong Wu <yong.wu@mediatek.com>
+
+description: |
+  The hardware block diagram please check bindings/iommu/mediatek,iommu.yaml
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - mediatek,mt2701-smi-larb
+          - mediatek,mt2712-smi-larb
+          - mediatek,mt6779-smi-larb
+          - mediatek,mt8167-smi-larb
+          - mediatek,mt8173-smi-larb
+          - mediatek,mt8183-smi-larb
+
+      - description: for mt7623
+        items:
+          - const: mediatek,mt7623-smi-larb
+          - const: mediatek,mt2701-smi-larb
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description: |
+      apb and smi are mandatory. gals(global async local sync) is optional.
+    minItems: 2
+    maxItems: 3
+    items:
+      - description: apb is Advanced Peripheral Bus clock, It's the clock for
+          setting the register.
+      - description: smi is the clock for transfer data and command.
+      - description: the clock for gals.
+
+  clock-names:
+    minItems: 2
+    maxItems: 3
+
+  power-domains:
+    maxItems: 1
+
+  mediatek,smi:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: a phandle to the smi_common node.
+
+  mediatek,larb-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 31
+    description: the hardware id of this larb. It's only required when this
+      hardward id is not consecutive from its M4U point of view.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - power-domains
+
+allOf:
+  - if:  # HW has gals
+      properties:
+        compatible:
+          enum:
+            - mediatek,mt8183-smi-larb
+
+    then:
+      properties:
+        clocks:
+          minItems: 2
+          maxItems: 3
+        clock-names:
+          minItems: 2
+          items:
+            - const: apb
+            - const: smi
+            - const: gals
+
+    else:
+      properties:
+        clocks:
+          minItems: 2
+          maxItems: 2
+        clock-names:
+          items:
+            - const: apb
+            - const: smi
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt2701-smi-larb
+              - mediatek,mt2712-smi-larb
+              - mediatek,mt6779-smi-larb
+
+    then:
+      required:
+        - mediatek,larb-id
+
+additionalProperties: false
+
+examples:
+  - |+
+    #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/power/mt8173-power.h>
+
+    larb1: larb@16010000 {
+      compatible = "mediatek,mt8173-smi-larb";
+      reg = <0x16010000 0x1000>;
+      mediatek,smi = <&smi_common>;
+      power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>;
+      clocks = <&vdecsys CLK_VDEC_CKEN>,
+               <&vdecsys CLK_VDEC_LARB_CKEN>;
+      clock-names = "apb", "smi";
+    };
diff --git a/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml
new file mode 100644
index 0000000..1fc3b19
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Linaro Ltd.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/misc/hisilicon-hikey-usb.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: HiKey960 onboard USB GPIO Hub
+
+maintainers:
+  - John Stultz <john.stultz@linaro.org>
+
+description: |
+  Supports the onboard HiKey960 USB GPIO hub, which acts as a
+  role-switch intermediary to detect the state of the USB-C
+  port, to switch the hub into dual-role USB-C or host mode,
+  which enables the onboard USB-A host ports.
+
+  Schematics about the hub can be found here:
+    https://github.com/96boards/documentation/raw/master/consumer/hikey/hikey960/hardware-docs/HiKey960_Schematics.pdf
+
+properties:
+  compatible:
+    items:
+      - const: hisilicon,gpio_hubv1
+
+  typec-vbus-gpios:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle to the typec-vbus gpio
+
+  otg-switch-gpios:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle to the otg-switch gpio
+
+  hub-vdd33-en-gpios:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle to the hub 3.3v power enablement gpio
+
+  usb-role-switch:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: Support role switch.
+
+  port:
+    description: |
+      any connector to the data bus of this controller should be modelled
+      using the OF graph bindings specified, if the "usb-role-switch"
+      property is used. Note for this driver, two ports are supported,
+      the first being the endpoint that will be notified by this driver,
+      and the second being the endpoint that notifies this driver of a
+      role switch.
+
+
+required:
+  - compatible
+  - typec-vbus-gpios
+  - otg-switch-gpios
+  - hub-vdd33-en-gpios
+  - usb-role-switch
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    hisi_hikey_usb: hisi_hikey_usb {
+        compatible = "hisilicon,gpio_hubv1";
+        typec-vbus-gpios = <&gpio25 2 GPIO_ACTIVE_HIGH>;
+        otg-switch-gpios = <&gpio25 6 GPIO_ACTIVE_HIGH>;
+        hub-vdd33-en-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
+        usb-role-switch;
+
+        port {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            hikey_usb_ep0: endpoint@0 {
+                reg = <0>;
+                remote-endpoint = <&dwc3_role_switch>;
+            };
+            hikey_usb_ep1: endpoint@1 {
+                reg = <1>;
+                remote-endpoint = <&rt1711h_ep>;
+            };
+        };
+    };
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index 3b602fd..4f2e138 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -30,10 +30,12 @@
 	- SD Core register map (required for controllers earlier than msm-v5)
 	- CQE register map (Optional, CQE support is present on SDHC instance meant
 	                    for eMMC and version v4.2 and above)
+	- Inline Crypto Engine register map (optional)
 - reg-names: When CQE register map is supplied, below reg-names are required
 	- "hc" for Host controller register map
 	- "core" for SD core register map
 	- "cqhci" for CQE register map
+	- "ice" for Inline Crypto Engine register map (optional)
 - interrupts: Should contain an interrupt-specifiers for the interrupts:
 	- Host controller interrupt (required)
 - pinctrl-names: Should contain only one value - "default".
@@ -46,6 +48,7 @@
 	"xo"	- TCXO clock (optional)
 	"cal"	- reference clock for RCLK delay calibration (optional)
 	"sleep"	- sleep clock for RCLK delay calibration (optional)
+	"ice" - clock for Inline Crypto Engine (optional)
 
 - qcom,ddr-config: Certain chipsets and platforms require particular settings
 	for the DDR_CONFIG register. Use this field to specify the register
diff --git a/Documentation/devicetree/bindings/reserved-memory/google,open-dice.yaml b/Documentation/devicetree/bindings/reserved-memory/google,open-dice.yaml
new file mode 100644
index 0000000..257a0b5
--- /dev/null
+++ b/Documentation/devicetree/bindings/reserved-memory/google,open-dice.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reserved-memory/google,open-dice.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Open Profile for DICE Device Tree Bindings
+
+description: |
+  This binding represents a reserved memory region containing data
+  generated by the Open Profile for DICE protocol.
+
+  See https://pigweed.googlesource.com/open-dice/
+
+maintainers:
+  - David Brazdil <dbrazdil@google.com>
+
+allOf:
+  - $ref: "reserved-memory.yaml"
+
+properties:
+  compatible:
+    const: google,open-dice
+
+  reg:
+    description: page-aligned region of memory containing DICE data
+
+required:
+  - compatible
+  - reg
+  - no-map
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    reserved-memory {
+        #address-cells = <2>;
+        #size-cells = <1>;
+
+        dice: dice@12340000 {
+            compatible = "google,open-dice";
+            reg = <0x00 0x12340000 0x2000>;
+            no-map;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
index b7886fe..6f1cb20 100644
--- a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
+++ b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
@@ -42,8 +42,14 @@
 - pmsg-size: size in bytes of log buffer reserved for userspace messages
   (defaults to 0: disabled)
 
-- unbuffered: if present, use unbuffered mappings to map the reserved region
-  (defaults to buffered mappings)
+- mem-type: if present, sets the type of mapping is to be used to map the
+  reserved region. mem-type: 0 = write-combined (default), 1 = unbuffered,
+  2 = cached.
+
+- unbuffered: deprecated, use mem_type instead. if present, and mem_type is
+  not specified, it is equivalent to mem_type = 1 and uses unbuffered mappings
+  to map the reserved region (defaults to buffered mappings mem_type = 0). If
+  both are specified -- "mem_type" overrides "unbuffered".
 
 - max-reason: if present, sets maximum type of kmsg dump reasons to store
   (defaults to 2: log Oopses and Panics). This can be set to INT_MAX to
diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
index e8d3096..39b5f4c 100644
--- a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
+++ b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
@@ -51,6 +51,23 @@
           used as a shared pool of DMA buffers for a set of devices. It can
           be used by an operating system to instantiate the necessary pool
           management subsystem if necessary.
+        - restricted-dma-pool: This indicates a region of memory meant to be
+          used as a pool of restricted DMA buffers for a set of devices. The
+          memory region would be the only region accessible to those devices.
+          When using this, the no-map and reusable properties must not be set,
+          so the operating system can create a virtual mapping that will be used
+          for synchronization. The main purpose for restricted DMA is to
+          mitigate the lack of DMA access control on systems without an IOMMU,
+          which could result in the DMA accessing the system memory at
+          unexpected times and/or unexpected addresses, possibly leading to data
+          leakage or corruption. The feature on its own provides a basic level
+          of protection against the DMA overwriting buffer contents at
+          unexpected times. However, to protect against general data leakage and
+          system memory corruption, the system needs to provide way to lock down
+          the memory access, e.g., MPU. Note that since coherent allocation
+          needs remapping, one must set up another device coherent pool by
+          shared-dma-pool and use dma_alloc_from_dev_coherent instead for atomic
+          coherent allocation.
         - vendor specific string in the form <vendor>,[<device>-]<usage>
 no-map (optional) - empty property
     - Indicates the operating system must not create a virtual mapping
@@ -85,10 +102,11 @@
 
 Example
 -------
-This example defines 3 contiguous regions are defined for Linux kernel:
+This example defines 4 contiguous regions for Linux kernel:
 one default of all device drivers (named linux,cma@72000000 and 64MiB in size),
-one dedicated to the framebuffer device (named framebuffer@78000000, 8MiB), and
-one for multimedia processing (named multimedia-memory@77000000, 64MiB).
+one dedicated to the framebuffer device (named framebuffer@78000000, 8MiB),
+one for multimedia processing (named multimedia-memory@77000000, 64MiB), and
+one for restricted dma pool (named restricted_dma_reserved@0x50000000, 64MiB).
 
 / {
 	#address-cells = <1>;
@@ -120,6 +138,11 @@
 			compatible = "acme,multimedia-memory";
 			reg = <0x77000000 0x4000000>;
 		};
+
+		restricted_dma_reserved: restricted_dma_reserved {
+			compatible = "restricted-dma-pool";
+			reg = <0x50000000 0x4000000>;
+		};
 	};
 
 	/* ... */
@@ -138,4 +161,11 @@
 		memory-region = <&multimedia_reserved>;
 		/* ... */
 	};
+
+	pcie_device: pcie_device@0,0 {
+		reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
+		       0x83010000 0x0 0x00100000 0x0 0x00100000>;
+		memory-region = <&restricted_dma_reserved>;
+		/* ... */
+	};
 };
diff --git a/Documentation/devicetree/bindings/sound/hisilicon,hi3660-i2s.txt b/Documentation/devicetree/bindings/sound/hisilicon,hi3660-i2s.txt
new file mode 100644
index 0000000..654c234
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/hisilicon,hi3660-i2s.txt
@@ -0,0 +1,49 @@
+* Hisilicon 6210 i2s controller
+
+Required properties:
+
+- compatible: should be one of the following:
+   - "hisilicon,hi3660-i2s-1.0"
+- reg: physical base address of the i2s controller unit and length of
+   memory mapped region.
+- interrupts: should contain the i2s interrupt.
+- clocks: a list of phandle + clock-specifier pairs, one for each entry
+  in clock-names.
+- clock-names: should contain following:
+   - "dacodec"
+   - "i2s-base"
+- dmas: DMA specifiers for tx dma. See the DMA client binding,
+  Documentation/devicetree/bindings/dma/dma.txt
+- dma-names: should be "tx" and "rx"
+- hisilicon,sysctrl-syscon: phandle to sysctrl syscon
+- #sound-dai-cells: Should be set to 1 (for multi-dai)
+
+Example for the hi3660 i2s controller:
+
+	i2s2: hisi_i2s {
+		compatible = "hisilicon,hi3660-i2s-1.0";
+		reg = <0x0 0xe804f800 0x0 0x400>,
+			  <0x0 0xe804e000 0x0 0x400>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2s2_pmx_func &i2s2_cfg_func>;
+		dmas = <&asp_dmac 18 &asp_dmac 19>;
+		dma-names = "rx", "tx";
+		#sound-dai-cells = <0>;
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "hikey-hdmi";
+		simple-audio-card,format = "i2s";
+
+		simple-audio-card,bitclock-master = <&sound_master>;
+		simple-audio-card,frame-master = <&sound_master>;
+
+		sound_master: simple-audio-card,cpu {
+			sound-dai = <&i2s2>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&adv7533>;
+		};
+	};
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
deleted file mode 100644
index 1aae2b6..0000000
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ /dev/null
@@ -1,128 +0,0 @@
-synopsys DWC3 CORE
-
-DWC3- USB3 CONTROLLER. Complies to the generic USB binding properties
-      as described in 'usb/generic.txt'
-
-Required properties:
- - compatible: must be "snps,dwc3"
- - reg : Address and length of the register set for the device
- - interrupts: Interrupts used by the dwc3 controller.
- - clock-names: list of clock names. Ideally should be "ref",
-                "bus_early", "suspend" but may be less or more.
- - clocks: list of phandle and clock specifier pairs corresponding to
-           entries in the clock-names property.
-
-Exception for clocks:
-  clocks are optional if the parent node (i.e. glue-layer) is compatible to
-  one of the following:
-    "cavium,octeon-7130-usb-uctl"
-    "qcom,dwc3"
-    "samsung,exynos5250-dwusb3"
-    "samsung,exynos5433-dwusb3"
-    "samsung,exynos7-dwusb3"
-    "sprd,sc9860-dwc3"
-    "st,stih407-dwc3"
-    "ti,am437x-dwc3"
-    "ti,dwc3"
-    "ti,keystone-dwc3"
-    "rockchip,rk3399-dwc3"
-    "xlnx,zynqmp-dwc3"
-
-Optional properties:
- - usb-phy : array of phandle for the PHY device.  The first element
-   in the array is expected to be a handle to the USB2/HS PHY and
-   the second element is expected to be a handle to the USB3/SS PHY
- - phys: from the *Generic PHY* bindings
- - phy-names: from the *Generic PHY* bindings; supported names are "usb2-phy"
-	or "usb3-phy".
- - resets: set of phandle and reset specifier pairs
- - snps,usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM
- - snps,usb3_lpm_capable: determines if platform is USB3 LPM capable
- - snps,dis-start-transfer-quirk: when set, disable isoc START TRANSFER command
-			failure SW work-around for DWC_usb31 version 1.70a-ea06
-			and prior.
- - snps,disable_scramble_quirk: true when SW should disable data scrambling.
-	Only really useful for FPGA builds.
- - snps,has-lpm-erratum: true when DWC3 was configured with LPM Erratum enabled
- - snps,lpm-nyet-threshold: LPM NYET threshold
- - snps,u2exit_lfps_quirk: set if we want to enable u2exit lfps quirk
- - snps,u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk
- - snps,req_p1p2p3_quirk: when set, the core will always request for
-			P1/P2/P3 transition sequence.
- - snps,del_p1p2p3_quirk: when set core will delay P1/P2/P3 until a certain
-			amount of 8B10B errors occur.
- - snps,del_phy_power_chg_quirk: when set core will delay PHY power change
-			from P0 to P1/P2/P3.
- - snps,lfps_filter_quirk: when set core will filter LFPS reception.
- - snps,rx_detect_poll_quirk: when set core will disable a 400us delay to start
-			Polling LFPS after RX.Detect.
- - snps,tx_de_emphasis_quirk: when set core will set Tx de-emphasis value.
- - snps,tx_de_emphasis: the value driven to the PHY is controlled by the
-			LTSSM during USB3 Compliance mode.
- - snps,dis_u3_susphy_quirk: when set core will disable USB3 suspend phy.
- - snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy.
- - snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG,
-			disabling the suspend signal to the PHY.
- - snps,dis-u1-entry-quirk: set if link entering into U1 needs to be disabled.
- - snps,dis-u2-entry-quirk: set if link entering into U2 needs to be disabled.
- - snps,dis_rxdet_inp3_quirk: when set core will disable receiver detection
-			in PHY P3 power state.
- - snps,dis-u2-freeclk-exists-quirk: when set, clear the u2_freeclk_exists
-			in GUSB2PHYCFG, specify that USB2 PHY doesn't provide
-			a free-running PHY clock.
- - snps,dis-del-phy-power-chg-quirk: when set core will change PHY power
-			from P0 to P1/P2/P3 without delay.
- - snps,dis-tx-ipgap-linecheck-quirk: when set, disable u2mac linestate check
-			during HS transmit.
- - snps,parkmode-disable-ss-quirk: when set, all SuperSpeed bus instances in
-			park mode are disabled.
- - snps,dis_metastability_quirk: when set, disable metastability workaround.
-			CAUTION: use only if you are absolutely sure of it.
- - snps,dis-split-quirk: when set, change the way URBs are handled by the
-			 driver. Needed to avoid -EPROTO errors with usbhid
-			 on some devices (Hikey 970).
- - snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
-			utmi_l1_suspend_n, false when asserts utmi_sleep_n
- - snps,hird-threshold: HIRD threshold
- - snps,hsphy_interface: High-Speed PHY interface selection between "utmi" for
-   UTMI+ and "ulpi" for ULPI when the DWC_USB3_HSPHY_INTERFACE has value 3.
- - snps,quirk-frame-length-adjustment: Value for GFLADJ_30MHZ field of GFLADJ
-	register for post-silicon frame length adjustment when the
-	fladj_30mhz_sdbnd signal is invalid or incorrect.
- - snps,rx-thr-num-pkt-prd: periodic ESS RX packet threshold count - host mode
-			only. Set this and rx-max-burst-prd to a valid,
-			non-zero value 1-16 (DWC_usb31 programming guide
-			section 1.2.4) to enable periodic ESS RX threshold.
- - snps,rx-max-burst-prd: max periodic ESS RX burst size - host mode only. Set
-			this and rx-thr-num-pkt-prd to a valid, non-zero value
-			1-16 (DWC_usb31 programming guide section 1.2.4) to
-			enable periodic ESS RX threshold.
- - snps,tx-thr-num-pkt-prd: periodic ESS TX packet threshold count - host mode
-			only. Set this and tx-max-burst-prd to a valid,
-			non-zero value 1-16 (DWC_usb31 programming guide
-			section 1.2.3) to enable periodic ESS TX threshold.
- - snps,tx-max-burst-prd: max periodic ESS TX burst size - host mode only. Set
-			this and tx-thr-num-pkt-prd to a valid, non-zero value
-			1-16 (DWC_usb31 programming guide section 1.2.3) to
-			enable periodic ESS TX threshold.
-
- - <DEPRECATED> tx-fifo-resize: determines if the FIFO *has* to be reallocated.
- - snps,incr-burst-type-adjustment: Value for INCR burst type of GSBUSCFG0
-			register, undefined length INCR burst type enable and INCRx type.
-			When just one value, which means INCRX burst mode enabled. When
-			more than one value, which means undefined length INCR burst type
-			enabled. The values can be 1, 4, 8, 16, 32, 64, 128 and 256.
-
- - in addition all properties from usb-xhci.txt from the current directory are
-   supported as well
-
-
-This is usually a subnode to DWC3 glue to which it is connected.
-
-dwc3@4a030000 {
-	compatible = "snps,dwc3";
-	reg = <0x4a030000 0xcfff>;
-	interrupts = <0 92 4>
-	usb-phy = <&usb2_phy>, <&usb3,phy>;
-	snps,incr-burst-type-adjustment = <1>, <4>, <8>, <16>;
-};
diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
new file mode 100644
index 0000000..cb4c6f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 NXP
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP iMX8MP Soc USB Controller
+
+maintainers:
+  - Li Jun <jun.li@nxp.com>
+
+properties:
+  compatible:
+    const: fsl,imx8mp-dwc3
+
+  reg:
+    maxItems: 1
+    description: Address and length of the register set for the wrapper of
+      dwc3 core on the SOC.
+
+  "#address-cells":
+    enum: [ 1, 2 ]
+
+  "#size-cells":
+    enum: [ 1, 2 ]
+
+  dma-ranges:
+    description:
+      See section 2.3.9 of the DeviceTree Specification.
+
+  ranges: true
+
+  interrupts:
+    maxItems: 1
+    description: The interrupt that is asserted when a wakeup event is
+      received.
+
+  clocks:
+    description:
+      A list of phandle and clock-specifier pairs for the clocks
+      listed in clock-names.
+    items:
+      - description: system hsio root clock.
+      - description: suspend clock, used for usb wakeup logic.
+
+  clock-names:
+    items:
+      - const: hsio
+      - const: suspend
+
+# Required child node:
+
+patternProperties:
+  "^dwc3@[0-9a-f]+$":
+    type: object
+    description:
+      A child node must exist to represent the core DWC3 IP block
+      The content of the node is defined in dwc3.txt.
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+  - dma-ranges
+  - ranges
+  - clocks
+  - clock-names
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8mp-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    usb3_0: usb@32f10100 {
+      compatible = "fsl,imx8mp-dwc3";
+      reg = <0x32f10100 0x8>;
+      clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
+               <&clk IMX8MP_CLK_USB_ROOT>;
+      clock-names = "hsio", "suspend";
+      interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+      #address-cells = <1>;
+      #size-cells = <1>;
+      dma-ranges = <0x40000000 0x40000000 0xc0000000>;
+      ranges;
+
+      dwc3@38100000 {
+        compatible = "snps,dwc3";
+        reg = <0x38100000 0x10000>;
+        clocks = <&clk IMX8MP_CLK_HSIO_AXI>,
+                 <&clk IMX8MP_CLK_USB_CORE_REF>,
+                 <&clk IMX8MP_CLK_USB_ROOT>;
+        clock-names = "bus_early", "ref", "suspend";
+        assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
+        assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
+        assigned-clock-rates = <500000000>;
+        interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+        phys = <&usb3_phy0>, <&usb3_phy0>;
+        phy-names = "usb2-phy", "usb3-phy";
+        snps,dis-u2-freeclk-exists-quirk;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
deleted file mode 100644
index ba472e7..0000000
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ /dev/null
@@ -1,57 +0,0 @@
-Generic USB Properties
-
-Optional properties:
- - maximum-speed: tells USB controllers we want to work up to a certain
-			speed. Valid arguments are "super-speed-plus",
-			"super-speed", "high-speed", "full-speed" and
-			"low-speed". In case this isn't passed via DT, USB
-			controllers should default to their maximum HW
-			capability.
- - dr_mode: tells Dual-Role USB controllers that we want to work on a
-			particular mode. Valid arguments are "host",
-			"peripheral" and "otg". In case this attribute isn't
-			passed via DT, USB DRD controllers should default to
-			OTG.
- - phy_type: tells USB controllers that we want to configure the core to support
-			a UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is
-			selected. Valid arguments are "utmi" and "utmi_wide".
-			In case this isn't passed via DT, USB controllers should
-			default to HW capability.
- - otg-rev: tells usb driver the release number of the OTG and EH supplement
-			with which the device and its descriptors are compliant,
-			in binary-coded decimal (i.e. 2.0 is 0200H). This
-			property is used if any real OTG features(HNP/SRP/ADP)
-			is enabled, if ADP is required, otg-rev should be
-			0x0200 or above.
- - companion: phandle of a companion
- - hnp-disable: tells OTG controllers we want to disable OTG HNP, normally HNP
-			is the basic function of real OTG except you want it
-			to be a srp-capable only B device.
- - srp-disable: tells OTG controllers we want to disable OTG SRP, SRP is
-			optional for OTG device.
- - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
-			optional for OTG device.
- - usb-role-switch: boolean, indicates that the device is capable of assigning
-			the USB data role (USB host or USB device) for a given
-			USB connector, such as Type-C, Type-B(micro).
-			see connector/usb-connector.yaml.
- - role-switch-default-mode: indicating if usb-role-switch is enabled, the
-			device default operation mode of controller while usb
-			role is USB_ROLE_NONE. Valid arguments are "host" and
-			"peripheral". Defaults to "peripheral" if not
-			specified.
-
-
-This is an attribute to a USB controller such as:
-
-dwc3@4a030000 {
-	compatible = "synopsys,dwc3";
-	reg = <0x4a030000 0xcfff>;
-	interrupts = <0 92 4>
-	usb-phy = <&usb2_phy>, <&usb3,phy>;
-	maximum-speed = "super-speed";
-	dr_mode = "otg";
-	phy_type = "utmi_wide";
-	otg-rev = <0x0200>;
-	adp-disable;
-};
diff --git a/Documentation/devicetree/bindings/usb/maxim,max33359.yaml b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
new file mode 100644
index 0000000..93a19ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/maxim,max33359.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Maxim TCPCI Type-C PD controller DT bindings
+
+maintainers:
+  - Badhri Jagan Sridharan <badhri@google.com>
+
+description: Maxim TCPCI Type-C PD controller
+
+properties:
+  compatible:
+    enum:
+      - maxim,max33359
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  connector:
+    type: object
+    $ref: ../connector/usb-connector.yaml#
+    description:
+      Properties for usb c connector.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - connector
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/usb/pd.h>
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        maxtcpc@25 {
+            compatible = "maxim,max33359";
+            reg = <0x25>;
+            interrupt-parent = <&gpa8>;
+            interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+
+            connector {
+                compatible = "usb-c-connector";
+                label = "USB-C";
+                data-role = "dual";
+                power-role = "dual";
+                try-power-role = "sink";
+                self-powered;
+                op-sink-microwatt = <2600000>;
+                new-source-frs-typec-current = <FRS_5V_1P5A>;
+                source-pdos = <PDO_FIXED(5000, 900,
+                                         PDO_FIXED_SUSPEND |
+                                         PDO_FIXED_USB_COMM |
+                                         PDO_FIXED_DATA_SWAP |
+                                         PDO_FIXED_DUAL_ROLE)>;
+                sink-pdos = <PDO_FIXED(5000, 3000,
+                                       PDO_FIXED_USB_COMM |
+                                       PDO_FIXED_DATA_SWAP |
+                                       PDO_FIXED_DUAL_ROLE)
+                                       PDO_FIXED(9000, 2000, 0)>;
+            };
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
index 2cf525d..08e2abd 100644
--- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
@@ -17,6 +17,10 @@
           - qcom,msm8998-dwc3
           - qcom,sc7180-dwc3
           - qcom,sdm845-dwc3
+          - qcom,sdx55-dwc3
+          - qcom,sm8150-dwc3
+          - qcom,sm8250-dwc3
+          - qcom,sm8350-dwc3
       - const: qcom,dwc3
 
   reg:
diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
new file mode 100644
index 0000000..6d6fa9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -0,0 +1,323 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/snps,dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare USB3 Controller
+
+maintainers:
+  - Felipe Balbi <balbi@kernel.org>
+
+description:
+  This is usually a subnode to DWC3 glue to which it is connected, but can also
+  be presented as a standalone DT node with an optional vendor-specific
+  compatible string.
+
+allOf:
+  - $ref: usb-drd.yaml#
+  - if:
+      properties:
+        dr_mode:
+          const: peripheral
+
+      required:
+        - dr_mode
+    then:
+      $ref: usb.yaml#
+    else:
+      $ref: usb-xhci.yaml#
+
+properties:
+  compatible:
+    contains:
+      const: snps,dwc3
+
+  interrupts:
+    minItems: 1
+    maxItems: 3
+
+  clocks:
+    description:
+      In general the core supports three types of clocks. bus_early is a
+      SoC Bus Clock (AHB/AXI/Native). ref generates ITP when the UTMI/ULPI
+      PHY is suspended. suspend clocks a small part of the USB3 core when
+      SS PHY in P3. But particular cases may differ from that having less
+      or more clock sources with another names.
+
+  clock-names:
+    contains:
+      anyOf:
+        - enum: [bus_early, ref, suspend]
+        - true
+
+  usb-phy:
+    minItems: 1
+    items:
+      - description: USB2/HS PHY
+      - description: USB3/SS PHY
+
+  phys:
+    minItems: 1
+    items:
+      - description: USB2/HS PHY
+      - description: USB3/SS PHY
+
+  phy-names:
+    minItems: 1
+    items:
+      - const: usb2-phy
+      - const: usb3-phy
+
+  resets:
+    minItems: 1
+
+  snps,usb2-lpm-disable:
+    description: Indicate if we don't want to enable USB2 HW LPM
+    type: boolean
+
+  snps,usb3_lpm_capable:
+    description: Determines if platform is USB3 LPM capable
+    type: boolean
+
+  snps,dis-start-transfer-quirk:
+    description:
+      When set, disable isoc START TRANSFER command failure SW work-around
+      for DWC_usb31 version 1.70a-ea06 and prior.
+    type: boolean
+
+  snps,disable_scramble_quirk:
+    description:
+      True when SW should disable data scrambling. Only really useful for FPGA
+      builds.
+    type: boolean
+
+  snps,has-lpm-erratum:
+    description: True when DWC3 was configured with LPM Erratum enabled
+    type: boolean
+
+  snps,lpm-nyet-threshold:
+    description: LPM NYET threshold
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  snps,u2exit_lfps_quirk:
+    description: Set if we want to enable u2exit lfps quirk
+    type: boolean
+
+  snps,u2ss_inp3_quirk:
+    description: Set if we enable P3 OK for U2/SS Inactive quirk
+    type: boolean
+
+  snps,req_p1p2p3_quirk:
+    description:
+      When set, the core will always request for P1/P2/P3 transition sequence.
+    type: boolean
+
+  snps,del_p1p2p3_quirk:
+    description:
+      When set core will delay P1/P2/P3 until a certain amount of 8B10B errors
+      occur.
+    type: boolean
+
+  snps,del_phy_power_chg_quirk:
+    description: When set core will delay PHY power change from P0 to P1/P2/P3.
+    type: boolean
+
+  snps,lfps_filter_quirk:
+    description: When set core will filter LFPS reception.
+    type: boolean
+
+  snps,rx_detect_poll_quirk:
+    description:
+      when set core will disable a 400us delay to start Polling LFPS after
+      RX.Detect.
+    type: boolean
+
+  snps,tx_de_emphasis_quirk:
+    description: When set core will set Tx de-emphasis value
+    type: boolean
+
+  snps,tx_de_emphasis:
+    description:
+      The value driven to the PHY is controlled by the LTSSM during USB3
+      Compliance mode.
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  snps,dis_u3_susphy_quirk:
+    description: When set core will disable USB3 suspend phy
+    type: boolean
+
+  snps,dis_u2_susphy_quirk:
+    description: When set core will disable USB2 suspend phy
+    type: boolean
+
+  snps,dis_enblslpm_quirk:
+    description:
+      When set clears the enblslpm in GUSB2PHYCFG, disabling the suspend signal
+      to the PHY.
+    type: boolean
+
+  snps,dis-u1-entry-quirk:
+    description: Set if link entering into U1 needs to be disabled
+    type: boolean
+
+  snps,dis-u2-entry-quirk:
+    description: Set if link entering into U2 needs to be disabled
+    type: boolean
+
+  snps,dis_rxdet_inp3_quirk:
+    description:
+      When set core will disable receiver detection in PHY P3 power state.
+    type: boolean
+
+  snps,dis-u2-freeclk-exists-quirk:
+    description:
+      When set, clear the u2_freeclk_exists in GUSB2PHYCFG, specify that USB2
+      PHY doesn't provide a free-running PHY clock.
+    type: boolean
+
+  snps,dis-del-phy-power-chg-quirk:
+    description:
+      When set core will change PHY power from P0 to P1/P2/P3 without delay.
+    type: boolean
+
+  snps,dis-tx-ipgap-linecheck-quirk:
+    description: When set, disable u2mac linestate check during HS transmit
+    type: boolean
+
+  snps,parkmode-disable-ss-quirk:
+    description:
+      When set, all SuperSpeed bus instances in park mode are disabled.
+    type: boolean
+
+  snps,dis_metastability_quirk:
+    description:
+      When set, disable metastability workaround. CAUTION! Use only if you are
+      absolutely sure of it.
+    type: boolean
+
+  snps,dis-split-quirk:
+    description:
+      When set, change the way URBs are handled by the driver. Needed to
+      avoid -EPROTO errors with usbhid on some devices (Hikey 970).
+    type: boolean
+
+  snps,is-utmi-l1-suspend:
+    description:
+      True when DWC3 asserts output signal utmi_l1_suspend_n, false when
+      asserts utmi_sleep_n.
+    type: boolean
+
+  snps,hird-threshold:
+    description: HIRD threshold
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  snps,hsphy_interface:
+    description:
+      High-Speed PHY interface selection between UTMI+ and ULPI when the
+      DWC_USB3_HSPHY_INTERFACE has value 3.
+    $ref: /schemas/types.yaml#/definitions/string
+    enum: [utmi, ulpi]
+
+  snps,quirk-frame-length-adjustment:
+    description:
+      Value for GFLADJ_30MHZ field of GFLADJ register for post-silicon frame
+      length adjustment when the fladj_30mhz_sdbnd signal is invalid or
+      incorrect.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  snps,rx-thr-num-pkt-prd:
+    description:
+      Periodic ESS RX packet threshold count (host mode only). Set this and
+      snps,rx-max-burst-prd to a valid, non-zero value 1-16 (DWC_usb31
+      programming guide section 1.2.4) to enable periodic ESS RX threshold.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 1
+    maximum: 16
+
+  snps,rx-max-burst-prd:
+    description:
+      Max periodic ESS RX burst size (host mode only). Set this and
+      snps,rx-thr-num-pkt-prd to a valid, non-zero value 1-16 (DWC_usb31
+      programming guide section 1.2.4) to enable periodic ESS RX threshold.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 1
+    maximum: 16
+
+  snps,tx-thr-num-pkt-prd:
+    description:
+      Periodic ESS TX packet threshold count (host mode only). Set this and
+      snps,tx-max-burst-prd to a valid, non-zero value 1-16 (DWC_usb31
+      programming guide section 1.2.3) to enable periodic ESS TX threshold.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 1
+    maximum: 16
+
+  snps,tx-max-burst-prd:
+    description:
+      Max periodic ESS TX burst size (host mode only). Set this and
+      snps,tx-thr-num-pkt-prd to a valid, non-zero value 1-16 (DWC_usb31
+      programming guide section 1.2.3) to enable periodic ESS TX threshold.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 1
+    maximum: 16
+
+  tx-fifo-resize:
+    description: Determines if the TX fifos can be dynamically resized depending
+      on the number of IN endpoints used and if bursting is supported.  This
+      may help improve bandwidth on platforms with higher system latencies, as
+      increased fifo space allows for the controller to prefetch data into its
+      internal memory.
+    type: boolean
+
+  tx-fifo-max-num:
+    description: Specifies the max number of packets the txfifo resizing logic
+      can account for when higher endpoint bursting is used. (bMaxBurst > 6) The
+      higher the number, the more fifo space the txfifo resizing logic will
+      allocate for that endpoint.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 3
+
+  snps,incr-burst-type-adjustment:
+    description:
+      Value for INCR burst type of GSBUSCFG0 register, undefined length INCR
+      burst type enable and INCRx type. A single value means INCRX burst mode
+      enabled. If more than one value specified, undefined length INCR burst
+      type will be enabled with burst lengths utilized up to the maximum
+      of the values passed in this property.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 8
+    uniqueItems: true
+    items:
+      enum: [1, 4, 8, 16, 32, 64, 128, 256]
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+examples:
+  - |
+    usb@4a030000 {
+      compatible = "snps,dwc3";
+      reg = <0x4a030000 0xcfff>;
+      interrupts = <0 92 4>;
+      usb-phy = <&usb2_phy>, <&usb3_phy>;
+      snps,incr-burst-type-adjustment = <1>, <4>, <8>, <16>;
+    };
+  - |
+    usb@4a000000 {
+      compatible = "snps,dwc3";
+      reg = <0x4a000000 0xcfff>;
+      interrupts = <0 92 4>;
+      clocks = <&clk 1>, <&clk 2>, <&clk 3>;
+      clock-names = "bus_early", "ref", "suspend";
+      phys = <&usb2_phy>, <&usb3_phy>;
+      phy-names = "usb2-phy", "usb3-phy";
+      snps,dis_u2_susphy_quirk;
+      snps,dis_enblslpm_quirk;
+    };
+...
diff --git a/Documentation/devicetree/bindings/usb/usb-drd.yaml b/Documentation/devicetree/bindings/usb/usb-drd.yaml
new file mode 100644
index 0000000..f3a64c4
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb-drd.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/usb-drd.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic USB OTG Controller Device Tree Bindings
+
+maintainers:
+  - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+properties:
+  otg-rev:
+    description:
+      Tells usb driver the release number of the OTG and EH supplement with
+      which the device and its descriptors are compliant, in binary-coded
+      decimal (i.e. 2.0 is 0200H). This property is used if any real OTG
+      features (HNP/SRP/ADP) is enabled. If ADP is required, otg-rev should be
+      0x0200 or above.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  dr_mode:
+    description:
+      Tells Dual-Role USB controllers that we want to work on a particular
+      mode. In case this attribute isn't passed via DT, USB DRD controllers
+      should default to OTG.
+    $ref: /schemas/types.yaml#/definitions/string
+    enum: [host, peripheral, otg]
+
+  hnp-disable:
+    description:
+      Tells OTG controllers we want to disable OTG HNP. Normally HNP is the
+      basic function of real OTG except you want it to be a srp-capable only B
+      device.
+    type: boolean
+
+  srp-disable:
+    description:
+      Tells OTG controllers we want to disable OTG SRP. SRP is optional for OTG
+      device.
+    type: boolean
+
+  adp-disable:
+    description:
+      Tells OTG controllers we want to disable OTG ADP. ADP is optional for OTG
+      device.
+    type: boolean
+
+  usb-role-switch:
+    description:
+      Indicates that the device is capable of assigning the USB data role
+      (USB host or USB device) for a given USB connector, such as Type-C,
+      Type-B(micro). See connector/usb-connector.yaml.
+
+  role-switch-default-mode:
+    description:
+      Indicates if usb-role-switch is enabled, the device default operation
+      mode of controller while usb role is USB_ROLE_NONE.
+    $ref: /schemas/types.yaml#/definitions/string
+    enum: [host, peripheral]
+    default: peripheral
+
+additionalProperties: true
+
+examples:
+  - |
+    usb@4a030000 {
+        compatible = "snps,dwc3";
+        reg = <0x4a030000 0xcfff>;
+        interrupts = <0 92 4>;
+        usb-phy = <&usb2_phy>, <&usb3_phy>;
+        maximum-speed = "super-speed";
+        dr_mode = "otg";
+        phy_type = "utmi_wide";
+        otg-rev = <0x0200>;
+        adp-disable;
+    };
diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index b545b08..52cc84c 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -9,18 +9,13 @@
 maintainers:
   - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
+allOf:
+  - $ref: usb.yaml#
+
 properties:
-  $nodename:
-    pattern: "^usb(@.*)?"
-
-  phys:
-    $ref: /schemas/types.yaml#/definitions/phandle-array
-    description:
-      List of all the USB PHYs on this HCD
-
-  phy-names:
-    description:
-      Name specifier for the USB PHY
+  companion:
+    description: Phandle of a companion device
+    $ref: /schemas/types.yaml#/definitions/phandle
 
 additionalProperties: true
 
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 0c5cff8..43f499f 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -28,6 +28,7 @@
   - quirk-broken-port-ped: set if the controller has broken port disable mechanism
   - imod-interval-ns: default interrupt moderation interval is 5000ns
   - phys : see usb-hcd.yaml in the current directory
+  - offload: supporting USB offload feature, 0: disabled, 1: audio
 
 additionally the properties from usb-hcd.yaml (in the current directory) are
 supported.
diff --git a/Documentation/devicetree/bindings/usb/usb.yaml b/Documentation/devicetree/bindings/usb/usb.yaml
new file mode 100644
index 0000000..78491e6
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/usb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic USB Controller Device Tree Bindings
+
+maintainers:
+  - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+select: false
+
+properties:
+  $nodename:
+    pattern: "^usb(@.*)?"
+
+  phys:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description:
+      List of all the USB PHYs on this HCD
+
+  phy-names:
+    description:
+      Name specifier for the USB PHY
+
+  usb-phy:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description:
+      List of all the USB PHYs on this HCD to be accepted by the legacy USB
+      Physical Layer subsystem.
+    deprecated: true
+
+  phy_type:
+    description:
+      Tells USB controllers that we want to configure the core to support a
+      UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
+      pin interface if ULPI is specified, Serial core/PHY interconnect if
+      serial is specified and High-Speed Inter-Chip feature if HSIC is
+      selected. In case this isn't passed via DT, USB controllers should
+      default to HW capability.
+    $ref: /schemas/types.yaml#/definitions/string
+    enum: [utmi, utmi_wide, ulpi, serial, hsic]
+
+  maximum-speed:
+    description:
+      Tells USB controllers we want to work up to a certain speed. In case this
+      isn't passed via DT, USB controllers should default to their maximum HW
+      capability.
+    $ref: /schemas/types.yaml#/definitions/string
+    enum:
+      - low-speed
+      - full-speed
+      - high-speed
+      - super-speed
+      - super-speed-plus
+      - super-speed-plus-gen2x1
+      - super-speed-plus-gen1x2
+      - super-speed-plus-gen2x2
+
+additionalProperties: true
+
+...
diff --git a/Documentation/filesystems/erofs.rst b/Documentation/filesystems/erofs.rst
index bf14517..7119aa2 100644
--- a/Documentation/filesystems/erofs.rst
+++ b/Documentation/filesystems/erofs.rst
@@ -19,9 +19,10 @@
    immutable and bit-for-bit identical to the official golden image for
    their releases due to security and other considerations and
 
- - hope to save some extra storage space with guaranteed end-to-end performance
-   by using reduced metadata and transparent file compression, especially
-   for those embedded devices with limited memory (ex, smartphone);
+ - hope to minimize extra storage space with guaranteed end-to-end performance
+   by using compact layout, transparent file compression and direct access,
+   especially for those embedded devices with limited memory and high-density
+   hosts with numerous containers;
 
 Here is the main features of EROFS:
 
@@ -50,8 +51,10 @@
 
  - Support POSIX.1e ACLs by using xattrs;
 
- - Support transparent file compression as an option:
-   LZ4 algorithm with 4 KB fixed-sized output compression for high performance.
+ - Support transparent data compression as an option:
+   LZ4 algorithm with the fixed-sized output compression for high performance;
+
+ - Multiple device support for multi-layer container images.
 
 The following git tree provides the file system user-space tools under
 development (ex, formatting tool mkfs.erofs):
@@ -84,8 +87,20 @@
                                    It still does in-place I/O decompression
                                    for the rest compressed physical clusters.
 		       ==========  =============================================
+dax={always,never}     Use direct access (no page cache).  See
+                       Documentation/filesystems/dax.rst.
+dax                    A legacy option which is an alias for ``dax=always``.
+device=%s              Specify a path to an extra device to be used together.
 ===================    =========================================================
 
+Sysfs Entries
+=============
+
+Information about mounted erofs file systems can be found in /sys/fs/erofs.
+Each mounted filesystem will have a directory in /sys/fs/erofs based on its
+device name (i.e., /sys/fs/erofs/sda).
+(see also Documentation/ABI/testing/sysfs-fs-erofs)
+
 On-disk details
 ===============
 
@@ -113,31 +128,31 @@
 
     ::
 
-				    |-> aligned with 8B
-					    |-> followed closely
-	+ meta_blkaddr blocks                                      |-> another slot
-	_____________________________________________________________________
-	|  ...   | inode |  xattrs  | extents  | data inline | ... | inode ...
-	|________|_______|(optional)|(optional)|__(optional)_|_____|__________
-		|-> aligned with the inode slot size
-		    .                   .
-		    .                         .
-		.                              .
-		.                                    .
-	    .                                         .
-	    .                                              .
-	.____________________________________________________|-> aligned with 4B
-	| xattr_ibody_header | shared xattrs | inline xattrs |
-	|____________________|_______________|_______________|
-	|->    12 bytes    <-|->x * 4 bytes<-|               .
-			    .                .                 .
-			.                      .                   .
-		.                           .                     .
-	    ._______________________________.______________________.
-	    | id | id | id | id |  ... | id | ent | ... | ent| ... |
-	    |____|____|____|____|______|____|_____|_____|____|_____|
-					    |-> aligned with 4B
-							|-> aligned with 4B
+                                 |-> aligned with 8B
+                                            |-> followed closely
+     + meta_blkaddr blocks                                      |-> another slot
+       _____________________________________________________________________
+     |  ...   | inode |  xattrs  | extents  | data inline | ... | inode ...
+     |________|_______|(optional)|(optional)|__(optional)_|_____|__________
+              |-> aligned with the inode slot size
+                   .                   .
+                 .                         .
+               .                              .
+             .                                    .
+           .                                         .
+         .                                              .
+       .____________________________________________________|-> aligned with 4B
+       | xattr_ibody_header | shared xattrs | inline xattrs |
+       |____________________|_______________|_______________|
+       |->    12 bytes    <-|->x * 4 bytes<-|               .
+                           .                .                 .
+                     .                      .                   .
+                .                           .                     .
+            ._______________________________.______________________.
+            | id | id | id | id |  ... | id | ent | ... | ent| ... |
+            |____|____|____|____|______|____|_____|_____|____|_____|
+                                            |-> aligned with 4B
+                                                        |-> aligned with 4B
 
     Inode could be 32 or 64 bytes, which can be distinguished from a common
     field which all inode versions have -- i_format::
@@ -153,13 +168,14 @@
 
     Xattrs, extents, data inline are followed by the corresponding inode with
     proper alignment, and they could be optional for different data mappings.
-    _currently_ total 4 valid data mappings are supported:
+    _currently_ total 5 data layouts are supported:
 
     ==  ====================================================================
      0  flat file data without data inline (no extent);
      1  fixed-sized output data compression (with non-compacted indexes);
      2  flat file data with tail packing data inline (no extent);
-     3  fixed-sized output data compression (with compacted indexes, v5.3+).
+     3  fixed-sized output data compression (with compacted indexes, v5.3+);
+     4  chunk-based file (v5.15+).
     ==  ====================================================================
 
     The size of the optional xattrs is indicated by i_xattr_count in inode
@@ -175,13 +191,13 @@
     Each share xattr can also be directly found by the following formula:
          xattr offset = xattr_blkaddr * block_size + 4 * xattr_id
 
-    ::
+::
 
-			    |-> aligned by  4 bytes
-	+ xattr_blkaddr blocks                     |-> aligned with 4 bytes
-	_________________________________________________________________________
-	|  ...   | xattr_entry |  xattr data | ... |  xattr_entry | xattr data  ...
-	|________|_____________|_____________|_____|______________|_______________
+                           |-> aligned by  4 bytes
+    + xattr_blkaddr blocks                     |-> aligned with 4 bytes
+     _________________________________________________________________________
+    |  ...   | xattr_entry |  xattr data | ... |  xattr_entry | xattr data  ...
+    |________|_____________|_____________|_____|______________|_______________
 
 Directories
 -----------
@@ -193,48 +209,88 @@
 
 ::
 
-		    ___________________________
-		    /                           |
-		/              ______________|________________
-		/              /              | nameoff1       | nameoffN-1
-    ____________.______________._______________v________________v__________
-    | dirent | dirent | ... | dirent | filename | filename | ... | filename |
-    |___.0___|____1___|_____|___N-1__|____0_____|____1_____|_____|___N-1____|
-	\                           ^
-	\                          |                           * could have
-	\                         |                             trailing '\0'
-	    \________________________| nameoff0
-
-				Directory block
+                  ___________________________
+                 /                           |
+                /              ______________|________________
+               /              /              | nameoff1       | nameoffN-1
+  ____________.______________._______________v________________v__________
+ | dirent | dirent | ... | dirent | filename | filename | ... | filename |
+ |___.0___|____1___|_____|___N-1__|____0_____|____1_____|_____|___N-1____|
+      \                           ^
+       \                          |                           * could have
+        \                         |                             trailing '\0'
+         \________________________| nameoff0
+                             Directory block
 
 Note that apart from the offset of the first filename, nameoff0 also indicates
 the total number of directory entries in this block since it is no need to
 introduce another on-disk field at all.
 
-Compression
------------
-Currently, EROFS supports 4KB fixed-sized output transparent file compression,
-as illustrated below::
+Chunk-based file
+----------------
+In order to support chunk-based data deduplication, a new inode data layout has
+been supported since Linux v5.15: Files are split in equal-sized data chunks
+with ``extents`` area of the inode metadata indicating how to get the chunk
+data: these can be simply as a 4-byte block address array or in the 8-byte
+chunk index form (see struct erofs_inode_chunk_index in erofs_fs.h for more
+details.)
 
-	    |---- Variant-Length Extent ----|-------- VLE --------|----- VLE -----
-	    clusterofs                      clusterofs            clusterofs
-	    |                               |                     |   logical data
-    _________v_______________________________v_____________________v_______________
-    ... |    .        |             |        .    |             |  .          | ...
-    ____|____.________|_____________|________.____|_____________|__.__________|____
-	|-> cluster <-|-> cluster <-|-> cluster <-|-> cluster <-|-> cluster <-|
-	    size          size          size          size          size
-	    .                             .                .                   .
-	    .                       .               .                  .
-		.                  .              .                .
-	_______._____________._____________._____________._____________________
-	    ... |             |             |             | ... physical data
-	_______|_____________|_____________|_____________|_____________________
-		|-> cluster <-|-> cluster <-|-> cluster <-|
-		    size          size          size
+By the way, chunk-based files are all uncompressed for now.
 
-Currently each on-disk physical cluster can contain 4KB (un)compressed data
-at most. For each logical cluster, there is a corresponding on-disk index to
-describe its cluster type, physical cluster address, etc.
+Data compression
+----------------
+EROFS implements LZ4 fixed-sized output compression which generates fixed-sized
+compressed data blocks from variable-sized input in contrast to other existing
+fixed-sized input solutions. Relatively higher compression ratios can be gotten
+by using fixed-sized output compression since nowadays popular data compression
+algorithms are mostly LZ77-based and such fixed-sized output approach can be
+benefited from the historical dictionary (aka. sliding window).
 
-See "struct z_erofs_vle_decompressed_index" in erofs_fs.h for more details.
+In details, original (uncompressed) data is turned into several variable-sized
+extents and in the meanwhile, compressed into physical clusters (pclusters).
+In order to record each variable-sized extent, logical clusters (lclusters) are
+introduced as the basic unit of compress indexes to indicate whether a new
+extent is generated within the range (HEAD) or not (NONHEAD). Lclusters are now
+fixed in block size, as illustrated below::
+
+          |<-    variable-sized extent    ->|<-       VLE         ->|
+        clusterofs                        clusterofs              clusterofs
+          |                                 |                       |
+ _________v_________________________________v_______________________v________
+ ... |    .         |              |        .     |              |  .   ...
+ ____|____._________|______________|________.___ _|______________|__.________
+     |-> lcluster <-|-> lcluster <-|-> lcluster <-|-> lcluster <-|
+          (HEAD)        (NONHEAD)       (HEAD)        (NONHEAD)    .
+           .             CBLKCNT            .                    .
+            .                               .                  .
+             .                              .                .
+       _______._____________________________.______________._________________
+          ... |              |              |              | ...
+       _______|______________|______________|______________|_________________
+              |->      big pcluster       <-|-> pcluster <-|
+
+A physical cluster can be seen as a container of physical compressed blocks
+which contains compressed data. Previously, only lcluster-sized (4KB) pclusters
+were supported. After big pcluster feature is introduced (available since
+Linux v5.13), pcluster can be a multiple of lcluster size.
+
+For each HEAD lcluster, clusterofs is recorded to indicate where a new extent
+starts and blkaddr is used to seek the compressed data. For each NONHEAD
+lcluster, delta0 and delta1 are available instead of blkaddr to indicate the
+distance to its HEAD lcluster and the next HEAD lcluster. A PLAIN lcluster is
+also a HEAD lcluster except that its data is uncompressed. See the comments
+around "struct z_erofs_vle_decompressed_index" in erofs_fs.h for more details.
+
+If big pcluster is enabled, pcluster size in lclusters needs to be recorded as
+well. Let the delta0 of the first NONHEAD lcluster store the compressed block
+count with a special flag as a new called CBLKCNT NONHEAD lcluster. It's easy
+to understand its delta0 is constantly 1, as illustrated below::
+
+   __________________________________________________________
+  | HEAD |  NONHEAD  | NONHEAD | ... | NONHEAD | HEAD | HEAD |
+  |__:___|_(CBLKCNT)_|_________|_____|_________|__:___|____:_|
+     |<----- a big pcluster (with CBLKCNT) ------>|<--  -->|
+           a lcluster-sized pcluster (without CBLKCNT) ^
+
+If another HEAD follows a HEAD lcluster, there is no room to record CBLKCNT,
+but it's easy to know the size of such pcluster is 1 lcluster as well.
diff --git a/Documentation/filesystems/ext4/directory.rst b/Documentation/filesystems/ext4/directory.rst
index 073940c..55f618b 100644
--- a/Documentation/filesystems/ext4/directory.rst
+++ b/Documentation/filesystems/ext4/directory.rst
@@ -121,6 +121,31 @@
    * - 0x7
      - Symbolic link.
 
+To support directories that are both encrypted and casefolded directories, we
+must also include hash information in the directory entry. We append
+``ext4_extended_dir_entry_2`` to ``ext4_dir_entry_2`` except for the entries
+for dot and dotdot, which are kept the same. The structure follows immediately
+after ``name`` and is included in the size listed by ``rec_len`` If a directory
+entry uses this extension, it may be up to 271 bytes.
+
+.. list-table::
+   :widths: 8 8 24 40
+   :header-rows: 1
+
+   * - Offset
+     - Size
+     - Name
+     - Description
+   * - 0x0
+     - \_\_le32
+     - hash
+     - The hash of the directory name
+   * - 0x4
+     - \_\_le32
+     - minor\_hash
+     - The minor hash of the directory name
+
+
 In order to add checksums to these classic directory blocks, a phony
 ``struct ext4_dir_entry`` is placed at the end of each leaf block to
 hold the checksum. The directory entry is 12 bytes long. The inode
@@ -322,6 +347,8 @@
      - Half MD4, unsigned.
    * - 0x5
      - Tea, unsigned.
+   * - 0x6
+     - Siphash.
 
 Interior nodes of an htree are recorded as ``struct dx_node``, which is
 also the full length of a data block:
diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 8c0fbdd..b8cdd1f 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -110,6 +110,12 @@
 			 on synchronous garbage collection running in background.
 			 Default value for this option is on. So garbage
 			 collection is on by default.
+gc_merge		 When background_gc is on, this option can be enabled to
+			 let background GC thread to handle foreground GC requests,
+			 it can eliminate the sluggish issue caused by slow foreground
+			 GC operation when GC is triggered from a process with limited
+			 I/O and CPU resources.
+nogc_merge		 Disable GC merge feature.
 disable_roll_forward	 Disable the roll-forward recovery routine
 norecovery		 Disable the roll-forward recovery routine, mounted read-
 			 only (i.e., -o ro,disable_roll_forward)
@@ -179,7 +185,7 @@
 			 FAULT_KVMALLOC		  0x000000002
 			 FAULT_PAGE_ALLOC	  0x000000004
 			 FAULT_PAGE_GET		  0x000000008
-			 FAULT_ALLOC_BIO	  0x000000010
+			 FAULT_ALLOC_BIO	  0x000000010 (obsolete)
 			 FAULT_ALLOC_NID	  0x000000020
 			 FAULT_ORPHAN		  0x000000040
 			 FAULT_BLOCK		  0x000000080
@@ -190,10 +196,31 @@
 			 FAULT_CHECKPOINT	  0x000001000
 			 FAULT_DISCARD		  0x000002000
 			 FAULT_WRITE_IO		  0x000004000
+			 FAULT_SLAB_ALLOC	  0x000008000
+			 FAULT_DQUOT_INIT	  0x000010000
+			 FAULT_LOCK_OP		  0x000020000
 			 ===================	  ===========
 mode=%s			 Control block allocation mode which supports "adaptive"
 			 and "lfs". In "lfs" mode, there should be no random
 			 writes towards main area.
+			 "fragment:segment" and "fragment:block" are newly added here.
+			 These are developer options for experiments to simulate filesystem
+			 fragmentation/after-GC situation itself. The developers use these
+			 modes to understand filesystem fragmentation/after-GC condition well,
+			 and eventually get some insights to handle them better.
+			 In "fragment:segment", f2fs allocates a new segment in ramdom
+			 position. With this, we can simulate the after-GC condition.
+			 In "fragment:block", we can scatter block allocation with
+			 "max_fragment_chunk" and "max_fragment_hole" sysfs nodes.
+			 We added some randomness to both chunk and hole size to make
+			 it close to realistic IO pattern. So, in this mode, f2fs will allocate
+			 1..<max_fragment_chunk> blocks in a chunk and make a hole in the
+			 length of 1..<max_fragment_hole> by turns. With this, the newly
+			 allocated blocks will be scattered throughout the whole partition.
+			 Note that "fragment:block" implicitly enables "fragment:segment"
+			 option for more randomness.
+			 Please, use these options for your experiments and we strongly
+			 recommend to re-format the filesystem after using these options.
 io_bits=%u		 Set the bit size of write IO requests. It should be set
 			 with "mode=lfs".
 usrquota		 Enable plain user disk quota accounting.
@@ -247,8 +274,24 @@
 			 hide up to all remaining free space. The actual space that
 			 would be unusable can be viewed at /sys/fs/f2fs/<disk>/unusable
 			 This space is reclaimed once checkpoint=enable.
+checkpoint_merge	 When checkpoint is enabled, this can be used to create a kernel
+			 daemon and make it to merge concurrent checkpoint requests as
+			 much as possible to eliminate redundant checkpoint issues. Plus,
+			 we can eliminate the sluggish issue caused by slow checkpoint
+			 operation when the checkpoint is done in a process context in
+			 a cgroup having low i/o budget and cpu shares. To make this
+			 do better, we set the default i/o priority of the kernel daemon
+			 to "3", to give one higher priority than other kernel threads.
+			 This is the same way to give a I/O priority to the jbd2
+			 journaling thread of ext4 filesystem.
+nocheckpoint_merge	 Disable checkpoint merge feature.
 compress_algorithm=%s	 Control compress algorithm, currently f2fs supports "lzo",
 			 "lz4", "zstd" and "lzo-rle" algorithm.
+compress_algorithm=%s:%d Control compress algorithm and its compress level, now, only
+			 "lz4" and "zstd" support compress level config.
+			 algorithm	level range
+			 lz4		3 - 16
+			 zstd		1 - 22
 compress_log_size=%u	 Support configuring compress cluster size, the size will
 			 be 4KB * (1 << %u), 16KB is minimum size, also it's
 			 default size.
@@ -260,6 +303,29 @@
 			 For other files, we can still enable compression via ioctl.
 			 Note that, there is one reserved special extension '*', it
 			 can be set to enable compression for all files.
+nocompress_extension=%s	   Support adding specified extension, so that f2fs can disable
+			 compression on those corresponding files, just contrary to compression extension.
+			 If you know exactly which files cannot be compressed, you can use this.
+			 The same extension name can't appear in both compress and nocompress
+			 extension at the same time.
+			 If the compress extension specifies all files, the types specified by the
+			 nocompress extension will be treated as special cases and will not be compressed.
+			 Don't allow use '*' to specifie all file in nocompress extension.
+			 After add nocompress_extension, the priority should be:
+			 dir_flag < comp_extention,nocompress_extension < comp_file_flag,no_comp_file_flag.
+			 See more in compression sections.
+
+compress_chksum		 Support verifying chksum of raw data in compressed cluster.
+compress_mode=%s	 Control file compression mode. This supports "fs" and "user"
+			 modes. In "fs" mode (default), f2fs does automatic compression
+			 on the compression enabled files. In "user" mode, f2fs disables
+			 the automaic compression and gives the user discretion of
+			 choosing the target file and the timing. The user can do manual
+			 compression/decompression on the compression enabled files using
+			 ioctls.
+compress_cache		 Support to use address space of a filesystem managed inode to
+			 cache compressed block, in order to improve cache hit ratio of
+			 random read.
 inlinecrypt		 When possible, encrypt/decrypt the contents of encrypted
 			 files using the blk-crypto framework rather than
 			 filesystem-layer encryption. This allows the use of
@@ -268,6 +334,19 @@
 			 Documentation/block/inline-encryption.rst.
 atgc			 Enable age-threshold garbage collection, it provides high
 			 effectiveness and efficiency on background GC.
+discard_unit=%s		 Control discard unit, the argument can be "block", "segment"
+			 and "section", issued discard command's offset/size will be
+			 aligned to the unit, by default, "discard_unit=block" is set,
+			 so that small discard functionality is enabled.
+			 For blkzoned device, "discard_unit=section" will be set by
+			 default, it is helpful for large sized SMR or ZNS devices to
+			 reduce memory cost by getting rid of fs metadata supports small
+			 discard.
+memory=%s		 Control memory mode. This supports "normal" and "low" modes.
+			 "low" mode is introduced to support low memory devices.
+			 Because of the nature of low memory devices, in this mode, f2fs
+			 will try to save memory sometimes by sacrificing performance.
+			 "normal" mode is the default mode and same as before.
 ======================== ============================================================
 
 Debugfs Entries
@@ -785,11 +864,39 @@
   all logical blocks in cluster contain valid data and compress ratio of
   cluster data is lower than specified threshold.
 
-- To enable compression on regular inode, there are three ways:
+- To enable compression on regular inode, there are four ways:
 
   * chattr +c file
   * chattr +c dir; touch dir/file
   * mount w/ -o compress_extension=ext; touch file.ext
+  * mount w/ -o compress_extension=*; touch any_file
+
+- To disable compression on regular inode, there are two ways:
+
+  * chattr -c file
+  * mount w/ -o nocompress_extension=ext; touch file.ext
+
+- Priority in between FS_COMPR_FL, FS_NOCOMP_FS, extensions:
+
+  * compress_extension=so; nocompress_extension=zip; chattr +c dir; touch
+    dir/foo.so; touch dir/bar.zip; touch dir/baz.txt; then foo.so and baz.txt
+    should be compresse, bar.zip should be non-compressed. chattr +c dir/bar.zip
+    can enable compress on bar.zip.
+  * compress_extension=so; nocompress_extension=zip; chattr -c dir; touch
+    dir/foo.so; touch dir/bar.zip; touch dir/baz.txt; then foo.so should be
+    compresse, bar.zip and baz.txt should be non-compressed.
+    chattr+c dir/bar.zip; chattr+c dir/baz.txt; can enable compress on bar.zip
+    and baz.txt.
+
+- At this point, compression feature doesn't expose compressed space to user
+  directly in order to guarantee potential data updates later to the space.
+  Instead, the main goal is to reduce data writes to flash disk as much as
+  possible, resulting in extending disk life time as well as relaxing IO
+  congestion. Alternatively, we've added ioctl(F2FS_IOC_RELEASE_COMPRESS_BLOCKS)
+  interface to reclaim compressed space and show it to user after putting the
+  immutable bit. Immutable bit, after release, it doesn't allow writing/mmaping
+  on the file, until reserving compressed space via
+  ioctl(F2FS_IOC_RESERVE_COMPRESS_BLOCKS) or truncating filesize to zero.
 
 Compress metadata layout::
 
@@ -810,6 +917,34 @@
 	| data length | data chksum | reserved |      compressed data       |
 	+-------------+-------------+----------+----------------------------+
 
+Compression mode
+--------------------------
+
+f2fs supports "fs" and "user" compression modes with "compression_mode" mount option.
+With this option, f2fs provides a choice to select the way how to compress the
+compression enabled files (refer to "Compression implementation" section for how to
+enable compression on a regular inode).
+
+1) compress_mode=fs
+This is the default option. f2fs does automatic compression in the writeback of the
+compression enabled files.
+
+2) compress_mode=user
+This disables the automatic compression and gives the user discretion of choosing the
+target file and the timing. The user can do manual compression/decompression on the
+compression enabled files using F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
+ioctls like the below.
+
+To decompress a file,
+
+fd = open(filename, O_WRONLY, 0);
+ret = ioctl(fd, F2FS_IOC_DECOMPRESS_FILE);
+
+To compress a file,
+
+fd = open(filename, O_WRONLY, 0);
+ret = ioctl(fd, F2FS_IOC_COMPRESS_FILE);
+
 NVMe Zoned Namespace devices
 ----------------------------
 
diff --git a/Documentation/filesystems/fscrypt.rst b/Documentation/filesystems/fscrypt.rst
index 936fae0..6ccd5ef 100644
--- a/Documentation/filesystems/fscrypt.rst
+++ b/Documentation/filesystems/fscrypt.rst
@@ -77,11 +77,11 @@
 
 fscrypt is only resistant to side-channel attacks, such as timing or
 electromagnetic attacks, to the extent that the underlying Linux
-Cryptographic API algorithms are.  If a vulnerable algorithm is used,
-such as a table-based implementation of AES, it may be possible for an
-attacker to mount a side channel attack against the online system.
-Side channel attacks may also be mounted against applications
-consuming decrypted data.
+Cryptographic API algorithms or inline encryption hardware are.  If a
+vulnerable algorithm is used, such as a table-based implementation of
+AES, it may be possible for an attacker to mount a side channel attack
+against the online system.  Side channel attacks may also be mounted
+against applications consuming decrypted data.
 
 Unauthorized file access
 ~~~~~~~~~~~~~~~~~~~~~~~~
@@ -1047,8 +1047,8 @@
   may be used to overwrite the source files but isn't guaranteed to be
   effective on all filesystems and storage devices.
 
-- Direct I/O is not supported on encrypted files.  Attempts to use
-  direct I/O on such files will fall back to buffered I/O.
+- Direct I/O is supported on encrypted files only under some
+  circumstances.  For details, see `Direct I/O support`_.
 
 - The fallocate operations FALLOC_FL_COLLAPSE_RANGE and
   FALLOC_FL_INSERT_RANGE are not supported on encrypted files and will
@@ -1063,11 +1063,6 @@
 
 - DAX (Direct Access) is not supported on encrypted files.
 
-- The st_size of an encrypted symlink will not necessarily give the
-  length of the symlink target as required by POSIX.  It will actually
-  give the length of the ciphertext, which will be slightly longer
-  than the plaintext due to NUL-padding and an extra 2-byte overhead.
-
 - The maximum length of an encrypted symlink is 2 bytes shorter than
   the maximum length of an unencrypted symlink.  For example, on an
   EXT4 filesystem with a 4K block size, unencrypted symlinks can be up
@@ -1140,6 +1135,71 @@
 that systems implementing a form of "verified boot" take advantage of
 this by validating all top-level encryption policies prior to access.
 
+Inline encryption support
+=========================
+
+By default, fscrypt uses the kernel crypto API for all cryptographic
+operations (other than HKDF, which fscrypt partially implements
+itself).  The kernel crypto API supports hardware crypto accelerators,
+but only ones that work in the traditional way where all inputs and
+outputs (e.g. plaintexts and ciphertexts) are in memory.  fscrypt can
+take advantage of such hardware, but the traditional acceleration
+model isn't particularly efficient and fscrypt hasn't been optimized
+for it.
+
+Instead, many newer systems (especially mobile SoCs) have *inline
+encryption hardware* that can encrypt/decrypt data while it is on its
+way to/from the storage device.  Linux supports inline encryption
+through a set of extensions to the block layer called *blk-crypto*.
+blk-crypto allows filesystems to attach encryption contexts to bios
+(I/O requests) to specify how the data will be encrypted or decrypted
+in-line.  For more information about blk-crypto, see
+:ref:`Documentation/block/inline-encryption.rst <inline_encryption>`.
+
+On supported filesystems (currently ext4 and f2fs), fscrypt can use
+blk-crypto instead of the kernel crypto API to encrypt/decrypt file
+contents.  To enable this, set CONFIG_FS_ENCRYPTION_INLINE_CRYPT=y in
+the kernel configuration, and specify the "inlinecrypt" mount option
+when mounting the filesystem.
+
+Note that the "inlinecrypt" mount option just specifies to use inline
+encryption when possible; it doesn't force its use.  fscrypt will
+still fall back to using the kernel crypto API on files where the
+inline encryption hardware doesn't have the needed crypto capabilities
+(e.g. support for the needed encryption algorithm and data unit size)
+and where blk-crypto-fallback is unusable.  (For blk-crypto-fallback
+to be usable, it must be enabled in the kernel configuration with
+CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y.)
+
+Currently fscrypt always uses the filesystem block size (which is
+usually 4096 bytes) as the data unit size.  Therefore, it can only use
+inline encryption hardware that supports that data unit size.
+
+Inline encryption doesn't affect the ciphertext or other aspects of
+the on-disk format, so users may freely switch back and forth between
+using "inlinecrypt" and not using "inlinecrypt".
+
+Direct I/O support
+==================
+
+For direct I/O on an encrypted file to work, the following conditions
+must be met (in addition to the conditions for direct I/O on an
+unencrypted file):
+
+* The file must be using inline encryption.  Usually this means that
+  the filesystem must be mounted with ``-o inlinecrypt`` and inline
+  encryption hardware must be present.  However, a software fallback
+  is also available.  For details, see `Inline encryption support`_.
+
+* The I/O request must be fully aligned to the filesystem block size.
+  This means that the file position the I/O is targeting, the lengths
+  of all I/O segments, and the memory addresses of all I/O buffers
+  must be multiples of this value.  Note that the filesystem block
+  size may be greater than the logical block size of the block device.
+
+If either of the above conditions is not met, then direct I/O on the
+encrypted file will fall back to buffered I/O.
+
 Implementation details
 ======================
 
@@ -1189,6 +1249,13 @@
 Data path changes
 -----------------
 
+When inline encryption is used, filesystems just need to associate
+encryption contexts with bios to specify how the block layer or the
+inline encryption hardware will encrypt/decrypt the file contents.
+
+When inline encryption isn't used, filesystems must encrypt/decrypt
+the file contents themselves, as described below:
+
 For the read path (->readpage()) of regular files, filesystems can
 read the ciphertext into the page cache and decrypt it in-place.  The
 page lock must be held until decryption has finished, to prevent the
@@ -1202,18 +1269,6 @@
 buffers regardless of encryption.  Other filesystems, such as ext4 and
 F2FS, have to allocate bounce pages specially for encryption.
 
-Fscrypt is also able to use inline encryption hardware instead of the
-kernel crypto API for en/decryption of file contents.  When possible,
-and if directed to do so (by specifying the 'inlinecrypt' mount option
-for an ext4/F2FS filesystem), it adds encryption contexts to bios and
-uses blk-crypto to perform the en/decryption instead of making use of
-the above read/write path changes.  Of course, even if directed to
-make use of inline encryption, fscrypt will only be able to do so if
-either hardware inline encryption support is available for the
-selected encryption algorithm or CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK
-is selected.  If neither is the case, fscrypt will fall back to using
-the above mentioned read/write path changes for en/decryption.
-
 Filename hashing and encoding
 -----------------------------
 
@@ -1235,12 +1290,12 @@
 
 Lookups without the key are more complicated.  The raw ciphertext may
 contain the ``\0`` and ``/`` characters, which are illegal in
-filenames.  Therefore, readdir() must base64-encode the ciphertext for
-presentation.  For most filenames, this works fine; on ->lookup(), the
-filesystem just base64-decodes the user-supplied name to get back to
-the raw ciphertext.
+filenames.  Therefore, readdir() must base64url-encode the ciphertext
+for presentation.  For most filenames, this works fine; on ->lookup(),
+the filesystem just base64url-decodes the user-supplied name to get
+back to the raw ciphertext.
 
-However, for very long filenames, base64 encoding would cause the
+However, for very long filenames, base64url encoding would cause the
 filename length to exceed NAME_MAX.  To prevent this, readdir()
 actually presents long filenames in an abbreviated form which encodes
 a strong "hash" of the ciphertext filename, along with the optional
diff --git a/Documentation/filesystems/fsverity.rst b/Documentation/filesystems/fsverity.rst
index 895e971..1d831e3 100644
--- a/Documentation/filesystems/fsverity.rst
+++ b/Documentation/filesystems/fsverity.rst
@@ -27,9 +27,9 @@
 corrupted data, including mmap reads, will fail.
 
 Userspace can use another ioctl to retrieve the root hash (actually
-the "file measurement", which is a hash that includes the root hash)
-that fs-verity is enforcing for the file.  This ioctl executes in
-constant time, regardless of the file size.
+the "fs-verity file digest", which is a hash that includes the Merkle
+tree root hash) that fs-verity is enforcing for the file.  This ioctl
+executes in constant time, regardless of the file size.
 
 fs-verity is essentially a way to hash a file in constant time,
 subject to the caveat that reads which would violate the hash will
@@ -177,9 +177,10 @@
 FS_IOC_MEASURE_VERITY
 ---------------------
 
-The FS_IOC_MEASURE_VERITY ioctl retrieves the measurement of a verity
-file.  The file measurement is a digest that cryptographically
-identifies the file contents that are being enforced on reads.
+The FS_IOC_MEASURE_VERITY ioctl retrieves the digest of a verity file.
+The fs-verity file digest is a cryptographic digest that identifies
+the file contents that are being enforced on reads; it is computed via
+a Merkle tree and is different from a traditional full-file digest.
 
 This ioctl takes in a pointer to a variable-length structure::
 
@@ -197,7 +198,7 @@
 follows:
 
 - ``digest_algorithm`` will be the hash algorithm used for the file
-  measurement.  It will match ``fsverity_enable_arg::hash_algorithm``.
+  digest.  It will match ``fsverity_enable_arg::hash_algorithm``.
 - ``digest_size`` will be the size of the digest in bytes, e.g. 32
   for SHA-256.  (This can be redundant with ``digest_algorithm``.)
 - ``digest`` will be the actual bytes of the digest.
@@ -216,6 +217,82 @@
 - ``EOVERFLOW``: the digest is longer than the specified
   ``digest_size`` bytes.  Try providing a larger buffer.
 
+FS_IOC_READ_VERITY_METADATA
+---------------------------
+
+The FS_IOC_READ_VERITY_METADATA ioctl reads verity metadata from a
+verity file.  This ioctl is available since Linux v5.12.
+
+This ioctl allows writing a server program that takes a verity file
+and serves it to a client program, such that the client can do its own
+fs-verity compatible verification of the file.  This only makes sense
+if the client doesn't trust the server and if the server needs to
+provide the storage for the client.
+
+This is a fairly specialized use case, and most fs-verity users won't
+need this ioctl.
+
+This ioctl takes in a pointer to the following structure::
+
+   #define FS_VERITY_METADATA_TYPE_MERKLE_TREE     1
+   #define FS_VERITY_METADATA_TYPE_DESCRIPTOR      2
+   #define FS_VERITY_METADATA_TYPE_SIGNATURE       3
+
+   struct fsverity_read_metadata_arg {
+           __u64 metadata_type;
+           __u64 offset;
+           __u64 length;
+           __u64 buf_ptr;
+           __u64 __reserved;
+   };
+
+``metadata_type`` specifies the type of metadata to read:
+
+- ``FS_VERITY_METADATA_TYPE_MERKLE_TREE`` reads the blocks of the
+  Merkle tree.  The blocks are returned in order from the root level
+  to the leaf level.  Within each level, the blocks are returned in
+  the same order that their hashes are themselves hashed.
+  See `Merkle tree`_ for more information.
+
+- ``FS_VERITY_METADATA_TYPE_DESCRIPTOR`` reads the fs-verity
+  descriptor.  See `fs-verity descriptor`_.
+
+- ``FS_VERITY_METADATA_TYPE_SIGNATURE`` reads the signature which was
+  passed to FS_IOC_ENABLE_VERITY, if any.  See `Built-in signature
+  verification`_.
+
+The semantics are similar to those of ``pread()``.  ``offset``
+specifies the offset in bytes into the metadata item to read from, and
+``length`` specifies the maximum number of bytes to read from the
+metadata item.  ``buf_ptr`` is the pointer to the buffer to read into,
+cast to a 64-bit integer.  ``__reserved`` must be 0.  On success, the
+number of bytes read is returned.  0 is returned at the end of the
+metadata item.  The returned length may be less than ``length``, for
+example if the ioctl is interrupted.
+
+The metadata returned by FS_IOC_READ_VERITY_METADATA isn't guaranteed
+to be authenticated against the file digest that would be returned by
+`FS_IOC_MEASURE_VERITY`_, as the metadata is expected to be used to
+implement fs-verity compatible verification anyway (though absent a
+malicious disk, the metadata will indeed match).  E.g. to implement
+this ioctl, the filesystem is allowed to just read the Merkle tree
+blocks from disk without actually verifying the path to the root node.
+
+FS_IOC_READ_VERITY_METADATA can fail with the following errors:
+
+- ``EFAULT``: the caller provided inaccessible memory
+- ``EINTR``: the ioctl was interrupted before any data was read
+- ``EINVAL``: reserved fields were set, or ``offset + length``
+  overflowed
+- ``ENODATA``: the file is not a verity file, or
+  FS_VERITY_METADATA_TYPE_SIGNATURE was requested but the file doesn't
+  have a built-in signature
+- ``ENOTTY``: this type of filesystem does not implement fs-verity, or
+  this ioctl is not yet implemented on it
+- ``EOPNOTSUPP``: the kernel was not configured with fs-verity
+  support, or the filesystem superblock has not had the 'verity'
+  feature enabled on it.  (See `Filesystem support`_.)
+
 FS_IOC_GETFLAGS
 ---------------
 
@@ -257,25 +334,24 @@
   with EIO (for read()) or SIGBUS (for mmap() reads).
 
 - If the sysctl "fs.verity.require_signatures" is set to 1 and the
-  file's verity measurement is not signed by a key in the fs-verity
-  keyring, then opening the file will fail.  See `Built-in signature
-  verification`_.
+  file is not signed by a key in the fs-verity keyring, then opening
+  the file will fail.  See `Built-in signature verification`_.
 
 Direct access to the Merkle tree is not supported.  Therefore, if a
 verity file is copied, or is backed up and restored, then it will lose
 its "verity"-ness.  fs-verity is primarily meant for files like
 executables that are managed by a package manager.
 
-File measurement computation
-============================
+File digest computation
+=======================
 
 This section describes how fs-verity hashes the file contents using a
-Merkle tree to produce the "file measurement" which cryptographically
-identifies the file contents.  This algorithm is the same for all
-filesystems that support fs-verity.
+Merkle tree to produce the digest which cryptographically identifies
+the file contents.  This algorithm is the same for all filesystems
+that support fs-verity.
 
 Userspace only needs to be aware of this algorithm if it needs to
-compute the file measurement itself, e.g. in order to sign the file.
+compute fs-verity file digests itself, e.g. in order to sign files.
 
 .. _fsverity_merkle_tree:
 
@@ -325,26 +401,22 @@
 is exactly the top-level hash block of the first file.  Ambiguities
 also arise from the convention of padding to the next block boundary.
 
-To solve this problem, the verity file measurement is actually
-computed as a hash of the following structure, which contains the
-Merkle tree root hash as well as other fields such as the file size::
+To solve this problem, the fs-verity file digest is actually computed
+as a hash of the following structure, which contains the Merkle tree
+root hash as well as other fields such as the file size::
 
     struct fsverity_descriptor {
             __u8 version;           /* must be 1 */
             __u8 hash_algorithm;    /* Merkle tree hash algorithm */
             __u8 log_blocksize;     /* log2 of size of data and tree blocks */
             __u8 salt_size;         /* size of salt in bytes; 0 if none */
-            __le32 sig_size;        /* must be 0 */
+            __le32 __reserved_0x04; /* must be 0 */
             __le64 data_size;       /* size of file the Merkle tree is built over */
             __u8 root_hash[64];     /* Merkle tree root hash */
             __u8 salt[32];          /* salt prepended to each hashed block */
             __u8 __reserved[144];   /* must be 0's */
     };
 
-Note that the ``sig_size`` field must be set to 0 for the purpose of
-computing the file measurement, even if a signature was provided (or
-will be provided) to `FS_IOC_ENABLE_VERITY`_.
-
 Built-in signature verification
 ===============================
 
@@ -359,20 +431,20 @@
    certificates from being added.
 
 2. `FS_IOC_ENABLE_VERITY`_ accepts a pointer to a PKCS#7 formatted
-   detached signature in DER format of the file measurement.  On
-   success, this signature is persisted alongside the Merkle tree.
+   detached signature in DER format of the file's fs-verity digest.
+   On success, this signature is persisted alongside the Merkle tree.
    Then, any time the file is opened, the kernel will verify the
-   file's actual measurement against this signature, using the
-   certificates in the ".fs-verity" keyring.
+   file's actual digest against this signature, using the certificates
+   in the ".fs-verity" keyring.
 
 3. A new sysctl "fs.verity.require_signatures" is made available.
    When set to 1, the kernel requires that all verity files have a
-   correctly signed file measurement as described in (2).
+   correctly signed digest as described in (2).
 
-File measurements must be signed in the following format, which is
-similar to the structure used by `FS_IOC_MEASURE_VERITY`_::
+fs-verity file digests must be signed in the following format, which
+is similar to the structure used by `FS_IOC_MEASURE_VERITY`_::
 
-    struct fsverity_signed_digest {
+    struct fsverity_formatted_digest {
             char magic[8];                  /* must be "FSVerity" */
             __le16 digest_algorithm;
             __le16 digest_size;
@@ -421,8 +493,8 @@
 
 ext4 also supports encryption, which can be used simultaneously with
 fs-verity.  In this case, the plaintext data is verified rather than
-the ciphertext.  This is necessary in order to make the file
-measurement meaningful, since every file is encrypted differently.
+the ciphertext.  This is necessary in order to make the fs-verity file
+digest meaningful, since every file is encrypted differently.
 
 ext4 stores the verity metadata (Merkle tree and fsverity_descriptor)
 past the end of the file, starting at the first 64K boundary beyond
@@ -592,8 +664,8 @@
 :Q: Isn't fs-verity useless because the attacker can just modify the
     hashes in the Merkle tree, which is stored on-disk?
 :A: To verify the authenticity of an fs-verity file you must verify
-    the authenticity of the "file measurement", which is basically the
-    root hash of the Merkle tree.  See `Use cases`_.
+    the authenticity of the "fs-verity file digest", which
+    incorporates the root hash of the Merkle tree.  See `Use cases`_.
 
 :Q: Isn't fs-verity useless because the attacker can just replace a
     verity file with a non-verity one?
diff --git a/Documentation/filesystems/incfs.rst b/Documentation/filesystems/incfs.rst
new file mode 100644
index 0000000..f0fb1d0
--- /dev/null
+++ b/Documentation/filesystems/incfs.rst
@@ -0,0 +1,85 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=================================================
+incfs: A stacked incremental filesystem for Linux
+=================================================
+
+/sys/fs interface
+=================
+
+Please update Documentation/ABI/testing/sysfs-fs-incfs if you update this
+section.
+
+incfs creates the following files in /sys/fs.
+
+Features
+--------
+
+/sys/fs/incremental-fs/features/corefs
+  Reads 'supported'. Always present.
+
+/sys/fs/incremental-fs/features/v2
+  Reads 'supported'. Present if all v2 features of incfs are supported. These
+  are:
+    fs-verity support
+    inotify support
+    ioclts:
+      INCFS_IOC_SET_READ_TIMEOUTS
+      INCFS_IOC_GET_READ_TIMEOUTS
+      INCFS_IOC_GET_BLOCK_COUNT
+      INCFS_IOC_CREATE_MAPPED_FILE
+    .incomplete folder
+    .blocks_written pseudo file
+    report_uid mount option
+
+/sys/fs/incremental-fs/features/zstd
+  Reads 'supported'. Present if zstd compression is supported for data blocks.
+
+/sys/fs/incremental-fs/features/bugfix_throttling
+  Reads 'supported'. Present if the throttling lock bug is fixed
+
+Optional per mount
+------------------
+
+For each incfs mount, the mount option sysfs_name=[name] creates a /sys/fs
+node called:
+
+/sys/fs/incremental-fs/instances/[name]
+
+This will contain the following files:
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_min
+  Returns a count of the number of reads that were delayed as a result of the
+  per UID read timeouts min time setting.
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_min_us
+  Returns total delay time for all files since first mount as a result of the
+  per UID read timeouts min time setting.
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_pending
+  Returns a count of the number of reads that were delayed as a result of
+  waiting for a pending read.
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_pending_us
+  Returns total delay time for all files since first mount as a result of
+  waiting for a pending read.
+
+/sys/fs/incremental-fs/instances/[name]/reads_failed_hash_verification
+  Returns number of reads that failed because of hash verification failures.
+
+/sys/fs/incremental-fs/instances/[name]/reads_failed_other
+  Returns number of reads that failed for reasons other than timing out or
+  hash failures.
+
+/sys/fs/incremental-fs/instances/[name]/reads_failed_timed_out
+  Returns number of reads that timed out.
+
+For reads_delayed_*** settings, note that a file can count for both
+reads_delayed_min and reads_delayed_pending if incfs first waits for a pending
+read then has to wait further for the min time. In that case, the time spent
+waiting is split between reads_delayed_pending_us, which is increased by the
+time spent waiting for the pending read, and reads_delayed_min_us, which is
+increased by the remainder of the time spent waiting.
+
+Reads that timed out are not added to the reads_delayed_pending or the
+reads_delayed_pending_us counters.
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst
index c0f2c75..bcb092e 100644
--- a/Documentation/filesystems/locking.rst
+++ b/Documentation/filesystems/locking.rst
@@ -125,7 +125,7 @@
 	bool (*list)(struct dentry *dentry);
 	int (*get)(const struct xattr_handler *handler, struct dentry *dentry,
 		   struct inode *inode, const char *name, void *buffer,
-		   size_t size);
+		   size_t size, int flags);
 	int (*set)(const struct xattr_handler *handler, struct dentry *dentry,
 		   struct inode *inode, const char *name, const void *buffer,
 		   size_t size, int flags);
diff --git a/Documentation/filesystems/overlayfs.rst b/Documentation/filesystems/overlayfs.rst
index 137afeb..423b3c8 100644
--- a/Documentation/filesystems/overlayfs.rst
+++ b/Documentation/filesystems/overlayfs.rst
@@ -137,6 +137,29 @@
 such as metadata and extended attributes are reported for the upper
 directory only.  These attributes of the lower directory are hidden.
 
+credentials
+-----------
+
+By default, all access to the upper, lower and work directories is the
+recorded mounter's MAC and DAC credentials.  The incoming accesses are
+checked against the caller's credentials.
+
+In the case where caller MAC or DAC credentials do not overlap, a
+use case available in older versions of the driver, the
+override_creds mount flag can be turned off and help when the use
+pattern has caller with legitimate credentials where the mounter
+does not.  Several unintended side effects will occur though.  The
+caller without certain key capabilities or lower privilege will not
+always be able to delete files or directories, create nodes, or
+search some restricted directories.  The ability to search and read
+a directory entry is spotty as a result of the cache mechanism not
+retesting the credentials because of the assumption, a privileged
+caller can fill cache, then a lower privilege can read the directory
+cache.  The uneven security model where cache, upperdir and workdir
+are opened at privilege, but accessed without creating a form of
+privilege escalation, should only be used with strict understanding
+of the side effects and of the security policies.
+
 whiteouts and opaque directories
 --------------------------------
 
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 533c79e..e1bef77 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -424,12 +424,14 @@
 The "pathname" shows the name associated file for this mapping.  If the mapping
 is not associated with a file:
 
- =======                    ====================================
+ =============              ====================================
  [heap]                     the heap of the program
  [stack]                    the stack of the main process
  [vdso]                     the "virtual dynamic shared object",
                             the kernel system call handler
- =======                    ====================================
+ [anon:<name>]              an anonymous mapping that has been
+                            named by userspace
+ =============              ====================================
 
  or if empty, the mapping is anonymous.
 
@@ -546,6 +548,7 @@
     nh    no huge page advise flag
     mg    mergable advise flag
     bt    arm64 BTI guarded page
+    mt    arm64 MTE allocation tags are enabled
     ==    =======================================
 
 Note that there is no guarantee that every flag and associated mnemonic will
@@ -1899,18 +1902,20 @@
 3.8	/proc/<pid>/fdinfo/<fd> - Information about opened file
 ---------------------------------------------------------------
 This file provides information associated with an opened file. The regular
-files have at least three fields -- 'pos', 'flags' and 'mnt_id'. The 'pos'
-represents the current offset of the opened file in decimal form [see lseek(2)
-for details], 'flags' denotes the octal O_xxx mask the file has been
-created with [see open(2) for details] and 'mnt_id' represents mount ID of
-the file system containing the opened file [see 3.5 /proc/<pid>/mountinfo
-for details].
+files have at least four fields -- 'pos', 'flags', 'mnt_id' and 'ino'.
+The 'pos' represents the current offset of the opened file in decimal
+form [see lseek(2) for details], 'flags' denotes the octal O_xxx mask the
+file has been created with [see open(2) for details] and 'mnt_id' represents
+mount ID of the file system containing the opened file [see 3.5
+/proc/<pid>/mountinfo for details]. 'ino' represents the inode number of
+the file.
 
 A typical output is::
 
 	pos:	0
 	flags:	0100002
 	mnt_id:	19
+	ino:	63107
 
 All locks associated with a file descriptor are shown in its fdinfo too::
 
@@ -1927,6 +1932,7 @@
 	pos:	0
 	flags:	04002
 	mnt_id:	9
+	ino:	63107
 	eventfd-count:	5a
 
 where 'eventfd-count' is hex value of a counter.
@@ -1939,6 +1945,7 @@
 	pos:	0
 	flags:	04002
 	mnt_id:	9
+	ino:	63107
 	sigmask:	0000000000000200
 
 where 'sigmask' is hex value of the signal mask associated
@@ -1952,6 +1959,7 @@
 	pos:	0
 	flags:	02
 	mnt_id:	9
+	ino:	63107
 	tfd:        5 events:       1d data: ffffffffffffffff pos:0 ino:61af sdev:7
 
 where 'tfd' is a target file descriptor number in decimal form,
@@ -1968,6 +1976,8 @@
 
 	pos:	0
 	flags:	02000000
+	mnt_id:	9
+	ino:	63107
 	inotify wd:3 ino:9e7e sdev:800013 mask:800afce ignored_mask:0 fhandle-bytes:8 fhandle-type:1 f_handle:7e9e0000640d1b6d
 
 where 'wd' is a watch descriptor in decimal form, i.e. a target file
@@ -1990,6 +2000,7 @@
 	pos:	0
 	flags:	02
 	mnt_id:	9
+	ino:	63107
 	fanotify flags:10 event-flags:0
 	fanotify mnt_id:12 mflags:40 mask:38 ignored_mask:40000003
 	fanotify ino:4f969 sdev:800013 mflags:0 mask:3b ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:69f90400c275b5b4
@@ -2014,6 +2025,7 @@
 	pos:	0
 	flags:	02
 	mnt_id:	9
+	ino:	63107
 	clockid: 0
 	ticks: 0
 	settime flags: 01
@@ -2028,6 +2040,22 @@
 with TIMER_ABSTIME option which will be shown in 'settime flags', but 'it_value'
 still exhibits timer's remaining time.
 
+DMA Buffer files
+~~~~~~~~~~~~~~~~
+
+::
+
+	pos:	0
+	flags:	04002
+	mnt_id:	9
+	ino:	63107
+	size:   32768
+	count:  2
+	exp_name:  system-heap
+
+where 'size' is the size of the DMA buffer in bytes. 'count' is the file count of
+the DMA buffer file. 'exp_name' is the name of the DMA buffer exporter.
+
 3.9	/proc/<pid>/map_files - Information about memory mapped files
 ---------------------------------------------------------------------
 This directory contains symbolic links which represent memory mapped files
diff --git a/Documentation/kbuild/kbuild.rst b/Documentation/kbuild/kbuild.rst
index 2d1fc03..ef19b9c 100644
--- a/Documentation/kbuild/kbuild.rst
+++ b/Documentation/kbuild/kbuild.rst
@@ -77,6 +77,17 @@
 ----------
 Additional libraries to link against when building host programs.
 
+.. _userkbuildflags:
+
+USERCFLAGS
+----------
+Additional options used for $(CC) when compiling userprogs.
+
+USERLDFLAGS
+-----------
+Additional options used for $(LD) when linking userprogs. userprogs are linked
+with CC, so $(USERLDFLAGS) should include "-Wl," prefix as applicable.
+
 KBUILD_KCONFIG
 --------------
 Set the top-level Kconfig file to the value of this environment
diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst
index 21c8478..578f7e1 100644
--- a/Documentation/kbuild/llvm.rst
+++ b/Documentation/kbuild/llvm.rst
@@ -60,8 +60,71 @@
 	  OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump READELF=llvm-readelf \
 	  HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar HOSTLD=ld.lld
 
-Currently, the integrated assembler is disabled by default. You can pass
-``LLVM_IAS=1`` to enable it.
+The integrated assembler is enabled by default. You can pass ``LLVM_IAS=0`` to
+disable it.
+
+Omitting CROSS_COMPILE
+----------------------
+
+As explained above, ``CROSS_COMPILE`` is used to set ``--target=<triple>``.
+
+If ``CROSS_COMPILE`` is not specified, the ``--target=<triple>`` is inferred
+from ``ARCH``.
+
+That means if you use only LLVM tools, ``CROSS_COMPILE`` becomes unnecessary.
+
+For example, to cross-compile the arm64 kernel::
+
+	make ARCH=arm64 LLVM=1
+
+If ``LLVM_IAS=0`` is specified, ``CROSS_COMPILE`` is also used to derive
+``--prefix=<path>`` to search for the GNU assembler and linker. ::
+
+	make ARCH=arm64 LLVM=1 LLVM_IAS=0 CROSS_COMPILE=aarch64-linux-gnu-
+
+Supported Architectures
+-----------------------
+
+LLVM does not target all of the architectures that Linux supports and
+just because a target is supported in LLVM does not mean that the kernel
+will build or work without any issues. Below is a general summary of
+architectures that currently work with ``CC=clang`` or ``LLVM=1``. Level
+of support corresponds to "S" values in the MAINTAINERS files. If an
+architecture is not present, it either means that LLVM does not target
+it or there are known issues. Using the latest stable version of LLVM or
+even the development tree will generally yield the best results.
+An architecture's ``defconfig`` is generally expected to work well,
+certain configurations may have problems that have not been uncovered
+yet. Bug reports are always welcome at the issue tracker below!
+
+.. list-table::
+   :widths: 10 10 10
+   :header-rows: 1
+
+   * - Architecture
+     - Level of support
+     - ``make`` command
+   * - arm
+     - Supported
+     - ``LLVM=1``
+   * - arm64
+     - Supported
+     - ``LLVM=1``
+   * - mips
+     - Maintained
+     - ``CC=clang``
+   * - powerpc
+     - Maintained
+     - ``CC=clang``
+   * - riscv
+     - Maintained
+     - ``CC=clang``
+   * - s390
+     - Maintained
+     - ``CC=clang``
+   * - x86
+     - Supported
+     - ``LLVM=1``
 
 Getting Help
 ------------
diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst
index 0d5dd54..1db205d 100644
--- a/Documentation/kbuild/makefiles.rst
+++ b/Documentation/kbuild/makefiles.rst
@@ -852,6 +852,8 @@
 
 	When linking bpfilter_umh, it will be passed the extra option -static.
 
+	From command line, :ref:`USERCFLAGS and USERLDFLAGS <userkbuildflags>` will also be used.
+
 5.4 When userspace programs are actually built
 ----------------------------------------------
 
diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst
index 85ccc87..d4b3e0c 100644
--- a/Documentation/kbuild/modules.rst
+++ b/Documentation/kbuild/modules.rst
@@ -21,6 +21,7 @@
 	   --- 4.1 Kernel Includes
 	   --- 4.2 Single Subdirectory
 	   --- 4.3 Several Subdirectories
+	   --- 4.4 UAPI Headers Installation
 	=== 5. Module Installation
 	   --- 5.1 INSTALL_MOD_PATH
 	   --- 5.2 INSTALL_MOD_DIR
@@ -131,6 +132,10 @@
 		/lib/modules/<kernel_release>/extra/, but a prefix may
 		be added with INSTALL_MOD_PATH (discussed in section 5).
 
+	headers_install
+		Export headers in a format suitable for userspace. The default
+		location is $PWD/usr. INSTALL_HDR_PATH can change this path.
+
 	clean
 		Remove all generated files in the module directory only.
 
@@ -406,6 +411,17 @@
 	pointing to the directory where the currently executing kbuild
 	file is located.
 
+4.4 UAPI Headers Installation
+-----------------------------
+
+	External modules may export headers to userspace in a similar
+	fashion to the in-tree counterpart drivers. kbuild supports
+	running headers_install target in an out-of-tree. The location
+	where kbuild searches for headers is $(M)/include/uapi and
+	$(M)/arch/$(SRCARCH)/include/uapi.
+
+	See also Documentation/kbuild/headers_install.rst.
+
 
 5. Module Installation
 ======================
diff --git a/Documentation/leds/well-known-leds.txt b/Documentation/leds/well-known-leds.txt
new file mode 100644
index 0000000..2160382
--- /dev/null
+++ b/Documentation/leds/well-known-leds.txt
@@ -0,0 +1,72 @@
+-*- org -*-
+
+It is somehow important to provide consistent interface to the
+userland. LED devices have one problem there, and that is naming of
+directories in /sys/class/leds. It would be nice if userland would
+just know right "name" for given LED function, but situation got more
+complex.
+
+Anyway, if backwards compatibility is not an issue, new code should
+use one of the "good" names from this list, and you should extend the
+list where applicable.
+
+Legacy names are listed, too; in case you are writing application that
+wants to use particular feature, you should probe for good name, first,
+but then try the legacy ones, too.
+
+Notice there's a list of functions in include/dt-bindings/leds/common.h .
+
+* Gamepads and joysticks
+
+Game controllers may feature LEDs to indicate a player number. This is commonly
+used on game consoles in which multiple controllers can be connected to a system.
+The "player LEDs" are then programmed with a pattern to indicate a particular
+player. For example, a game controller with 4 LEDs, may be programmed with "x---"
+to indicate player 1, "-x--" to indicate player 2 etcetera where "x" means on.
+Input drivers can utilize the LED class to expose the individual player LEDs
+of a game controller using the function "player".
+Note: tracking and management of Player IDs is the responsibility of user space,
+though drivers may pick a default value.
+
+Good: "input*:*:player-{1,2,3,4,5}
+
+* Keyboards
+  
+Good: "input*:*:capslock"
+Good: "input*:*:scrolllock"
+Good: "input*:*:numlock"
+Legacy: "shift-key-light" (Motorola Droid 4, capslock)
+
+Set of common keyboard LEDs, going back to PC AT or so.
+
+Legacy: "tpacpi::thinklight" (IBM/Lenovo Thinkpads)
+Legacy: "lp5523:kb{1,2,3,4,5,6}" (Nokia N900)
+
+Frontlight/backlight of main keyboard.
+
+Legacy: "button-backlight" (Motorola Droid 4)
+
+Some phones have touch buttons below screen; it is different from main
+keyboard. And this is their backlight.
+
+* Sound subsystem
+
+Good: "platform:*:mute"
+Good: "platform:*:micmute"
+
+LEDs on notebook body, indicating that sound input / output is muted.
+
+* System notification
+
+Legacy: "status-led:{red,green,blue}" (Motorola Droid 4)
+Legacy: "lp5523:{r,g,b}" (Nokia N900)
+
+Phones usually have multi-color status LED.
+
+* Power management
+
+Good: "platform:*:charging" (allwinner sun50i)
+
+* Screen
+
+Good: ":backlight" (Motorola Droid 4)
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index e912a47..eedce74 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -272,8 +272,6 @@
 	Reserve max(window/2^tcp_app_win, mss) of window for application
 	buffer. Value 0 is special, it means that nothing is reserved.
 
-	Possible values are [0, 31], inclusive.
-
 	Default: 31
 
 tcp_autocorking - BOOLEAN
@@ -713,31 +711,6 @@
 	network connections you can set this knob to 2 to enable
 	unconditionally generation of syncookies.
 
-tcp_migrate_req - BOOLEAN
-	The incoming connection is tied to a specific listening socket when
-	the initial SYN packet is received during the three-way handshake.
-	When a listener is closed, in-flight request sockets during the
-	handshake and established sockets in the accept queue are aborted.
-
-	If the listener has SO_REUSEPORT enabled, other listeners on the
-	same port should have been able to accept such connections. This
-	option makes it possible to migrate such child sockets to another
-	listener after close() or shutdown().
-
-	The BPF_SK_REUSEPORT_SELECT_OR_MIGRATE type of eBPF program should
-	usually be used to define the policy to pick an alive listener.
-	Otherwise, the kernel will randomly pick an alive listener only if
-	this option is enabled.
-
-	Note that migration between listeners with different settings may
-	crash applications. Let's say migration happens from listener A to
-	B, and only B has TCP_SAVE_SYN enabled. B cannot read SYN data from
-	the requests migrated from A. To avoid such a situation, cancel
-	migration by returning SK_DROP in the type of eBPF program, or
-	disable this option.
-
-	Default: 0
-
 tcp_fastopen - INTEGER
 	Enable TCP Fast Open (RFC7413) to send and accept data in the opening
 	SYN packet.
@@ -1083,6 +1056,19 @@
 
 	Default: Empty
 
+ip_local_unbindable_ports - list of comma separated ranges
+	Specify the ports which are not directly bind()able.
+
+	Usually you would use this to block the use of ports which
+	are invalid due to something outside of the control of the
+	kernel.  For example a port stolen by the nic for serial
+	console, remote power management or debugging.
+
+	There's a relatively high chance you will also want to list
+	these ports in 'ip_local_reserved_ports' to prevent autobinding.
+
+	Default: Empty
+
 ip_unprivileged_port_start - INTEGER
 	This is a per-namespace sysctl.  It defines the first
 	unprivileged port in the network namespace.  Privileged ports
@@ -1916,14 +1902,6 @@
 
 	Default: 1
 
-accept_ra_min_lft - INTEGER
-	Minimum acceptable lifetime value in Router Advertisement.
-
-	RA sections with a lifetime less than this value shall be
-	ignored. Zero lifetimes stay unaffected.
-
-	Default: 0
-
 accept_ra_pinfo - BOOLEAN
 	Learn Prefix Information in Router Advertisement.
 
diff --git a/Documentation/power/index.rst b/Documentation/power/index.rst
index ced8a80..a0f5244 100644
--- a/Documentation/power/index.rst
+++ b/Documentation/power/index.rst
@@ -30,6 +30,7 @@
     userland-swsusp
 
     powercap/powercap
+    powercap/dtpm
 
     regulator/consumer
     regulator/design
diff --git a/Documentation/power/powercap/dtpm.rst b/Documentation/power/powercap/dtpm.rst
new file mode 100644
index 0000000..a38dee3
--- /dev/null
+++ b/Documentation/power/powercap/dtpm.rst
@@ -0,0 +1,212 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================================
+Dynamic Thermal Power Management framework
+==========================================
+
+On the embedded world, the complexity of the SoC leads to an
+increasing number of hotspots which need to be monitored and mitigated
+as a whole in order to prevent the temperature to go above the
+normative and legally stated 'skin temperature'.
+
+Another aspect is to sustain the performance for a given power budget,
+for example virtual reality where the user can feel dizziness if the
+performance is capped while a big CPU is processing something else. Or
+reduce the battery charging because the dissipated power is too high
+compared with the power consumed by other devices.
+
+The user space is the most adequate place to dynamically act on the
+different devices by limiting their power given an application
+profile: it has the knowledge of the platform.
+
+The Dynamic Thermal Power Management (DTPM) is a technique acting on
+the device power by limiting and/or balancing a power budget among
+different devices.
+
+The DTPM framework provides an unified interface to act on the
+device power.
+
+Overview
+========
+
+The DTPM framework relies on the powercap framework to create the
+powercap entries in the sysfs directory and implement the backend
+driver to do the connection with the power manageable device.
+
+The DTPM is a tree representation describing the power constraints
+shared between devices, not their physical positions.
+
+The nodes of the tree are a virtual description aggregating the power
+characteristics of the children nodes and their power limitations.
+
+The leaves of the tree are the real power manageable devices.
+
+For instance::
+
+  SoC
+   |
+   `-- pkg
+	|
+	|-- pd0 (cpu0-3)
+	|
+	`-- pd1 (cpu4-5)
+
+The pkg power will be the sum of pd0 and pd1 power numbers::
+
+  SoC (400mW - 3100mW)
+   |
+   `-- pkg (400mW - 3100mW)
+	|
+	|-- pd0 (100mW - 700mW)
+	|
+	`-- pd1 (300mW - 2400mW)
+
+When the nodes are inserted in the tree, their power characteristics are propagated to the parents::
+
+  SoC (600mW - 5900mW)
+   |
+   |-- pkg (400mW - 3100mW)
+   |    |
+   |    |-- pd0 (100mW - 700mW)
+   |    |
+   |    `-- pd1 (300mW - 2400mW)
+   |
+   `-- pd2 (200mW - 2800mW)
+
+Each node have a weight on a 2^10 basis reflecting the percentage of power consumption along the siblings::
+
+  SoC (w=1024)
+   |
+   |-- pkg (w=538)
+   |    |
+   |    |-- pd0 (w=231)
+   |    |
+   |    `-- pd1 (w=794)
+   |
+   `-- pd2 (w=486)
+
+   Note the sum of weights at the same level are equal to 1024.
+
+When a power limitation is applied to a node, then it is distributed along the children given their weights. For example, if we set a power limitation of 3200mW at the 'SoC' root node, the resulting tree will be::
+
+  SoC (w=1024) <--- power_limit = 3200mW
+   |
+   |-- pkg (w=538) --> power_limit = 1681mW
+   |    |
+   |    |-- pd0 (w=231) --> power_limit = 378mW
+   |    |
+   |    `-- pd1 (w=794) --> power_limit = 1303mW
+   |
+   `-- pd2 (w=486) --> power_limit = 1519mW
+
+
+Flat description
+----------------
+
+A root node is created and it is the parent of all the nodes. This
+description is the simplest one and it is supposed to give to user
+space a flat representation of all the devices supporting the power
+limitation without any power limitation distribution.
+
+Hierarchical description
+------------------------
+
+The different devices supporting the power limitation are represented
+hierarchically. There is one root node, all intermediate nodes are
+grouping the child nodes which can be intermediate nodes also or real
+devices.
+
+The intermediate nodes aggregate the power information and allows to
+set the power limit given the weight of the nodes.
+
+User space API
+==============
+
+As stated in the overview, the DTPM framework is built on top of the
+powercap framework. Thus the sysfs interface is the same, please refer
+to the powercap documentation for further details.
+
+ * power_uw: Instantaneous power consumption. If the node is an
+   intermediate node, then the power consumption will be the sum of all
+   children power consumption.
+
+ * max_power_range_uw: The power range resulting of the maximum power
+   minus the minimum power.
+
+ * name: The name of the node. This is implementation dependent. Even
+   if it is not recommended for the user space, several nodes can have
+   the same name.
+
+ * constraint_X_name: The name of the constraint.
+
+ * constraint_X_max_power_uw: The maximum power limit to be applicable
+   to the node.
+
+ * constraint_X_power_limit_uw: The power limit to be applied to the
+   node. If the value contained in constraint_X_max_power_uw is set,
+   the constraint will be removed.
+
+ * constraint_X_time_window_us: The meaning of this file will depend
+   on the constraint number.
+
+Constraints
+-----------
+
+ * Constraint 0: The power limitation is immediately applied, without
+   limitation in time.
+
+Kernel API
+==========
+
+Overview
+--------
+
+The DTPM framework has no power limiting backend support. It is
+generic and provides a set of API to let the different drivers to
+implement the backend part for the power limitation and create the
+power constraints tree.
+
+It is up to the platform to provide the initialization function to
+allocate and link the different nodes of the tree.
+
+A special macro has the role of declaring a node and the corresponding
+initialization function via a description structure. This one contains
+an optional parent field allowing to hook different devices to an
+already existing tree at boot time.
+
+For instance::
+
+	struct dtpm_descr my_descr = {
+		.name = "my_name",
+		.init = my_init_func,
+	};
+
+	DTPM_DECLARE(my_descr);
+
+The nodes of the DTPM tree are described with dtpm structure. The
+steps to add a new power limitable device is done in three steps:
+
+ * Allocate the dtpm node
+ * Set the power number of the dtpm node
+ * Register the dtpm node
+
+The registration of the dtpm node is done with the powercap
+ops. Basically, it must implements the callbacks to get and set the
+power and the limit.
+
+Alternatively, if the node to be inserted is an intermediate one, then
+a simple function to insert it as a future parent is available.
+
+If a device has its power characteristics changing, then the tree must
+be updated with the new power numbers and weights.
+
+Nomenclature
+------------
+
+ * dtpm_alloc() : Allocate and initialize a dtpm structure
+
+ * dtpm_register() : Add the dtpm node to the tree
+
+ * dtpm_unregister() : Remove the dtpm node from the tree
+
+ * dtpm_update_power() : Update the power characteristics of the dtpm node
diff --git a/Documentation/scheduler/sched-energy.rst b/Documentation/scheduler/sched-energy.rst
index 001e09c..1f5792c 100644
--- a/Documentation/scheduler/sched-energy.rst
+++ b/Documentation/scheduler/sched-energy.rst
@@ -397,7 +397,7 @@
 because it is the only one providing some degree of consistency between
 frequency requests and energy predictions.
 
-Using EAS with any other governor than schedutil is not supported.
+Using EAS with any other governor than schedutil is not recommended.
 
 
 6.5 Scale-invariant utilization signals
diff --git a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst
index 73bbd59..690c523 100644
--- a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst
+++ b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst
@@ -3508,14 +3508,15 @@
 
 “IEC958 Playback Con Mask” is used to return the bit-mask for the IEC958
 status bits of consumer mode. Similarly, “IEC958 Playback Pro Mask”
-returns the bitmask for professional mode. They are read-only controls,
-and are defined as MIXER controls (iface =
-``SNDRV_CTL_ELEM_IFACE_MIXER``).
+returns the bitmask for professional mode. They are read-only controls.
 
 Meanwhile, “IEC958 Playback Default” control is defined for getting and
-setting the current default IEC958 bits. Note that this one is usually
-defined as a PCM control (iface = ``SNDRV_CTL_ELEM_IFACE_PCM``),
-although in some places it's defined as a MIXER control.
+setting the current default IEC958 bits.
+
+Due to historical reasons, both variants of the Playback Mask and the
+Playback Default controls can be implemented on either a
+``SNDRV_CTL_ELEM_IFACE_PCM`` or a ``SNDRV_CTL_ELEM_IFACE_MIXER`` iface.
+Drivers should expose the mask and default on the same iface though.
 
 In addition, you can define the control switches to enable/disable or to
 set the raw bit mode. The implementation will depend on the chip, but
diff --git a/Documentation/trace/coresight/coresight-trbe.rst b/Documentation/trace/coresight/coresight-trbe.rst
new file mode 100644
index 0000000..b9928ef
--- /dev/null
+++ b/Documentation/trace/coresight/coresight-trbe.rst
@@ -0,0 +1,38 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+Trace Buffer Extension (TRBE).
+==============================
+
+    :Author:   Anshuman Khandual <anshuman.khandual@arm.com>
+    :Date:     November 2020
+
+Hardware Description
+--------------------
+
+Trace Buffer Extension (TRBE) is a percpu hardware which captures in system
+memory, CPU traces generated from a corresponding percpu tracing unit. This
+gets plugged in as a coresight sink device because the corresponding trace
+generators (ETE), are plugged in as source device.
+
+The TRBE is not compliant to CoreSight architecture specifications, but is
+driven via the CoreSight driver framework to support the ETE (which is
+CoreSight compliant) integration.
+
+Sysfs files and directories
+---------------------------
+
+The TRBE devices appear on the existing coresight bus alongside the other
+coresight devices::
+
+	>$ ls /sys/bus/coresight/devices
+	trbe0  trbe1  trbe2 trbe3
+
+The ``trbe<N>`` named TRBEs are associated with a CPU.::
+
+	>$ ls /sys/bus/coresight/devices/trbe0/
+        align flag
+
+*Key file items are:-*
+   * ``align``: TRBE write pointer alignment
+   * ``flag``: TRBE updates memory with access and dirty flags
diff --git a/Documentation/trace/coresight/coresight.rst b/Documentation/trace/coresight/coresight.rst
index 0b73acb..169749e 100644
--- a/Documentation/trace/coresight/coresight.rst
+++ b/Documentation/trace/coresight/coresight.rst
@@ -512,6 +512,38 @@
 Note that only 64-bit programs are currently supported - further work is
 required to support instruction decode of 32-bit Arm programs.
 
+2.2) Tracing PID
+
+The kernel can be built to write the PID value into the PE ContextID registers.
+For a kernel running at EL1, the PID is stored in CONTEXTIDR_EL1.  A PE may
+implement Arm Virtualization Host Extensions (VHE), which the kernel can
+run at EL2 as a virtualisation host; in this case, the PID value is stored in
+CONTEXTIDR_EL2.
+
+perf provides PMU formats that program the ETM to insert these values into the
+trace data; the PMU formats are defined as below:
+
+  "contextid1": Available on both EL1 kernel and EL2 kernel.  When the
+                kernel is running at EL1, "contextid1" enables the PID
+                tracing; when the kernel is running at EL2, this enables
+                tracing the PID of guest applications.
+
+  "contextid2": Only usable when the kernel is running at EL2.  When
+                selected, enables PID tracing on EL2 kernel.
+
+  "contextid":  Will be an alias for the option that enables PID
+                tracing.  I.e,
+                contextid == contextid1, on EL1 kernel.
+                contextid == contextid2, on EL2 kernel.
+
+perf will always enable PID tracing at the relevant EL, this is accomplished by
+automatically enable the "contextid" config - but for EL2 it is possible to make
+specific adjustments using configs "contextid1" and "contextid2", E.g. if a user
+wants to trace PIDs for both host and guest, the two configs "contextid1" and
+"contextid2" can be set at the same time:
+
+  perf record -e cs_etm/contextid1,contextid2/u -- vm
+
 
 Generating coverage files for Feedback Directed Optimization: AutoFDO
 ---------------------------------------------------------------------
diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst
index ed2e45f..ecca086 100644
--- a/Documentation/trace/ftrace.rst
+++ b/Documentation/trace/ftrace.rst
@@ -76,6 +76,9 @@
   All files located in the tracefs file system will be located in that
   debugfs file system directory as well.
 
+  In order to not automount tracefs in the debugfs filesystem, enable the
+  defconfig option CONFIG_TRACEFS_DISABLE_AUTOMOUNT.
+
 .. attention::
 
   Any selected ftrace option will also create the tracefs file system.
diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst
index a9ffc4f..03e3b3f 100644
--- a/Documentation/trace/histogram.rst
+++ b/Documentation/trace/histogram.rst
@@ -1762,6 +1762,21 @@
 
   # echo 'hist:key=pid:wakeupswitch_lat=$wakeup_lat+$switchtime_lat ...' >> event3/trigger
 
+Expressions support the use of addition, subtraction, multiplication and
+division operators (+-\*/).
+
+Note if division by zero cannot be detected at parse time (i.e. the
+divisor is not a constant), the result will be -1.
+
+Numeric constants can also be used directly in an expression::
+
+  # echo 'hist:keys=next_pid:timestamp_secs=common_timestamp/1000000 ...' >> event/trigger
+
+or assigned to a variable and referenced in a subsequent expression::
+
+  # echo 'hist:keys=next_pid:us_per_sec=1000000 ...' >> event/trigger
+  # echo 'hist:keys=next_pid:timestamp_secs=common_timestamp/$us_per_sec ...' >> event/trigger
+
 2.2.2 Synthetic Events
 ----------------------
 
diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index 2eeb3e9..be1b085 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -91,9 +91,9 @@
 
 and after creating the functions/ecm.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the ECM function
 ------------------------
@@ -131,9 +131,9 @@
 
 and after creating the functions/ecm.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the ECM subset function
 -------------------------------
@@ -171,9 +171,9 @@
 
 and after creating the functions/eem.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the EEM function
 ------------------------
@@ -453,9 +453,9 @@
 
 and after creating the functions/ncm.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the NCM function
 ------------------------
@@ -591,9 +591,9 @@
 
 and after creating the functions/rndis.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the RNDIS function
 --------------------------
@@ -728,6 +728,8 @@
 	c_chmask	capture channel mask
 	c_srate		capture sampling rate
 	c_ssize		capture sample size (bytes)
+	c_sync		capture synchronization type (async/adaptive)
+	fb_max          maximum extra bandwidth in async mode
 	p_chmask	playback channel mask
 	p_srate		playback sampling rate
 	p_ssize		playback sample size (bytes)
@@ -772,6 +774,7 @@
 	streaming_maxpacket maximum packet size this endpoint is capable of
 			    sending or receiving when this configuration is
 			    selected
+	function_name       name of the interface
 	=================== ================================================
 
 There are also "control" and "streaming" subdirectories, each of which contain
diff --git a/Documentation/userspace-api/media/v4l/common.rst b/Documentation/userspace-api/media/v4l/common.rst
index d84aeb7..d9f805e 100644
--- a/Documentation/userspace-api/media/v4l/common.rst
+++ b/Documentation/userspace-api/media/v4l/common.rst
@@ -50,6 +50,7 @@
     ext-ctrls-fm-tx
     ext-ctrls-fm-rx
     ext-ctrls-detect
+    ext-ctrls-colorimetry
     fourcc
     format
     planar-apis
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index b864869b..4ec87b5 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -674,11 +674,64 @@
     is currently displayed (decoded). This value is reset to 0 whenever
     the decoder is started.
 
+``V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR (integer64)``
+    This control sets the conceal color in YUV color space. It describes
+    the client preference of the error conceal color in case of an error
+    where the reference frame is missing. The decoder should fill the
+    reference buffer with the preferred color and use it for future
+    decoding. The control is using 16 bits per channel.
+    Applicable to decoders.
+
+.. flat-table::
+    :header-rows:  0
+    :stub-columns: 0
+
+    * -
+      - 8bit  format
+      - 10bit format
+      - 12bit format
+    * - Y luminance
+      - Bit 0:7
+      - Bit 0:9
+      - Bit 0:11
+    * - Cb chrominance
+      - Bit 16:23
+      - Bit 16:25
+      - Bit 16:27
+    * - Cr chrominance
+      - Bit 32:39
+      - Bit 32:41
+      - Bit 32:43
+    * - Must be zero
+      - Bit 48:63
+      - Bit 48:63
+      - Bit 48:63
+
 ``V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE (boolean)``
     If enabled the decoder expects to receive a single slice per buffer,
     otherwise the decoder expects a single frame in per buffer.
     Applicable to the decoder, all codecs.
 
+``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE (boolean)``
+    If the display delay is enabled then the decoder is forced to return
+    a CAPTURE buffer (decoded frame) after processing a certain number
+    of OUTPUT buffers. The delay can be set through
+    ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY``. This
+    feature can be used for example for generating thumbnails of videos.
+    Applicable to the decoder.
+
+``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY (integer)``
+    Display delay value for decoder. The decoder is forced to
+    return a decoded frame after the set 'display delay' number of
+    frames. If this number is low it may result in frames returned out
+    of display order, in addition the hardware may still be using the
+    returned buffer as a reference picture for subsequent frames.
+
+``V4L2_CID_MPEG_VIDEO_AU_DELIMITER (boolean)``
+    If enabled then, AUD (Access Unit Delimiter) NALUs will be generated.
+    That could be useful to find the start of a frame without having to
+    fully parse each NALU. Applicable to the H264 and HEVC encoders.
+
 ``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE (boolean)``
     Enable writing sample aspect ratio in the Video Usability
     Information. Applicable to the H264 encoder.
@@ -1182,6 +1235,18 @@
     V4L2_CID_MPEG_VIDEO_H264_MAX_QP is also set, the quantization parameter
     should be chosen to meet both requirements.
 
+``V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP (integer)``
+    Minimum quantization parameter for the H264 B frame to limit B frame
+    quality to a range. Valid range: from 0 to 51. If
+    V4L2_CID_MPEG_VIDEO_H264_MIN_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP (integer)``
+    Maximum quantization parameter for the H264 B frame to limit B frame
+    quality to a range. Valid range: from 0 to 51. If
+    V4L2_CID_MPEG_VIDEO_H264_MAX_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
 ``V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (integer)``
     Quantization parameter for an I frame for MPEG4. Valid range: from 1
     to 31.
@@ -1501,6 +1566,26 @@
     * - Bit 16:32
       - Layer number
 
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR (integer)``
+    Indicates bit rate (bps) for hierarchical coding layer 0 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR (integer)``
+    Indicates bit rate (bps) for hierarchical coding layer 1 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR (integer)``
+    Indicates bit rate (bps) for hierarchical coding layer 2 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR (integer)``
+    Indicates bit rate (bps) for hierarchical coding layer 3 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR (integer)``
+    Indicates bit rate (bps) for hierarchical coding layer 4 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR (integer)``
+    Indicates bit rate (bps) for hierarchical coding layer 5 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (integer)``
+    Indicates bit rate (bps) for hierarchical coding layer 6 for H264 encoder.
 
 .. _v4l2-mpeg-h264:
 
@@ -2756,6 +2841,11 @@
     feature can be used for example for generating thumbnails of videos.
     Applicable to the H264 decoder.
 
+    .. note::
+
+       This control is deprecated. Use the standard
+       ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE`` control instead.
+
 ``V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY (integer)``
     Display delay value for H264 decoder. The decoder is forced to
     return a decoded frame after the set 'display delay' number of
@@ -2763,6 +2853,11 @@
     of display order, in addition the hardware may still be using the
     returned buffer as a reference picture for subsequent frames.
 
+    .. note::
+
+       This control is deprecated. Use the standard
+       ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY`` control instead.
+
 ``V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P (integer)``
     The number of reference pictures used for encoding a P picture.
     Applicable to the H264 encoder.
@@ -3441,11 +3536,11 @@
 
 ``V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP (integer)``
     Minimum quantization parameter for HEVC.
-    Valid range: from 0 to 51.
+    Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
 
 ``V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP (integer)``
     Maximum quantization parameter for HEVC.
-    Valid range: from 0 to 51.
+    Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
 
 ``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP (integer)``
     Quantization parameter for an I frame for HEVC.
@@ -3462,6 +3557,42 @@
     Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
     V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
 
+``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP (integer)``
+    Minimum quantization parameter for the HEVC I frame to limit I frame
+    quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+    If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP (integer)``
+    Maximum quantization parameter for the HEVC I frame to limit I frame
+    quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+    If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP (integer)``
+    Minimum quantization parameter for the HEVC P frame to limit P frame
+    quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+    If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP (integer)``
+    Maximum quantization parameter for the HEVC P frame to limit P frame
+    quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+    If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP (integer)``
+    Minimum quantization parameter for the HEVC B frame to limit B frame
+    quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+    If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP (integer)``
+    Maximum quantization parameter for the HEVC B frame to limit B frame
+    quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+    If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
+    should be chosen to meet both requirements.
+
 ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_QP (boolean)``
     HIERARCHICAL_QP allows the host to specify the quantization parameter
     values for each temporal layer through HIERARCHICAL_QP_LAYER. This is
@@ -4385,3 +4516,30 @@
       - Selecting this value specifies that HEVC slices are expected
         to be prefixed by Annex B start codes. According to :ref:`hevc`
         valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001.
+
+``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (integer)``
+    Specifies a priority identifier for the NAL unit, which will be applied to
+    the base layer. By default this value is set to 0 for the base layer,
+    and the next layer will have the priority ID assigned as 1, 2, 3 and so on.
+    The video encoder can't decide the priority id to be applied to a layer,
+    so this has to come from client.
+    This is applicable to H264 and valid Range is from 0 to 63.
+    Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1.
+
+``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)``
+    Specifies the maximum number of Long Term Reference (LTR) frames at any
+    given time that the encoder can keep.
+    This is applicable to the H264 and HEVC encoders.
+
+``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)``
+    After setting this control the frame that will be queued next
+    will be marked as a Long Term Reference (LTR) frame
+    and given this LTR index which ranges from 0 to LTR_COUNT-1.
+    This is applicable to the H264 and HEVC encoders.
+    Source Rec. ITU-T H.264 (06/2019); Table 7.9
+
+``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)``
+    Specifies the Long Term Reference (LTR) frame(s) to be used for
+    encoding the next frame queued after setting this control.
+    This provides a bitmask which consists of bits [0, LTR_COUNT-1].
+    This is applicable to the H264 and HEVC encoders.
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst
new file mode 100644
index 0000000..1e72651
--- /dev/null
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst
@@ -0,0 +1,93 @@
+.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
+.. _colorimetry-controls:
+
+*****************************
+Colorimetry Control Reference
+*****************************
+
+The Colorimetry class includes controls for High Dynamic Range
+imaging for representing colors in digital images and video. The
+controls should be used for video and image encoding and decoding
+as well as in HDMI receivers and transmitters.
+
+Colorimetry Control IDs
+-----------------------
+
+.. _colorimetry-control-id:
+
+``V4L2_CID_COLORIMETRY_CLASS (class)``
+    The Colorimetry class descriptor. Calling
+    :ref:`VIDIOC_QUERYCTRL` for this control will
+    return a description of this control class.
+
+``V4L2_CID_COLORIMETRY_HDR10_CLL_INFO (struct)``
+    The Content Light Level defines upper bounds for the nominal target
+    brightness light level of the pictures.
+
+.. c:type:: v4l2_ctrl_hdr10_cll_info
+
+.. cssclass:: longtable
+
+.. flat-table:: struct v4l2_ctrl_hdr10_cll_info
+    :header-rows:  0
+    :stub-columns: 0
+    :widths:       1 1 2
+
+    * - __u16
+      - ``max_content_light_level``
+      - The upper bound for the maximum light level among all individual
+        samples for the pictures of a video sequence, cd/m\ :sup:`2`.
+        When equal to 0 no such upper bound is present.
+    * - __u16
+      - ``max_pic_average_light_level``
+      - The upper bound for the maximum average light level among the
+        samples for any individual picture of a video sequence,
+        cd/m\ :sup:`2`. When equal to 0 no such upper bound is present.
+
+``V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY (struct)``
+    The mastering display defines the color volume (the color primaries,
+    white point and luminance range) of a display considered to be the
+    mastering display for the current video content.
+
+.. c:type:: v4l2_ctrl_hdr10_mastering_display
+
+.. cssclass:: longtable
+
+.. flat-table:: struct v4l2_ctrl_hdr10_mastering_display
+    :header-rows:  0
+    :stub-columns: 0
+    :widths:       1 1 2
+
+    * - __u16
+      - ``display_primaries_x[3]``
+      - Specifies the normalized x chromaticity coordinate of the color
+        primary component c of the mastering display in increments of 0.00002.
+        For describing the mastering display that uses Red, Green and Blue
+        color primaries, index value c equal to 0 corresponds to the Green
+        primary, c equal to 1 corresponds to Blue primary and c equal to 2
+        corresponds to the Red color primary.
+    * - __u16
+      - ``display_primaries_y[3]``
+      - Specifies the normalized y chromaticity coordinate of the color
+        primary component c of the mastering display in increments of 0.00002.
+        For describing the mastering display that uses Red, Green and Blue
+        color primaries, index value c equal to 0 corresponds to the Green
+        primary, c equal to 1 corresponds to Blue primary and c equal to 2
+        corresponds to Red color primary.
+    * - __u16
+      - ``white_point_x``
+      - Specifies the normalized x chromaticity coordinate of the white
+        point of the mastering display in increments of 0.00002.
+    * - __u16
+      - ``white_point_y``
+      - Specifies the normalized y chromaticity coordinate of the white
+        point of the mastering display in increments of 0.00002.
+    * - __u32
+      - ``max_luminance``
+      - Specifies the nominal maximum display luminance of the mastering
+        display in units of 0.0001 cd/m\ :sup:`2`.
+    * - __u32
+      - ``min_luminance``
+      - specifies the nominal minimum display luminance of the mastering
+        display in units of 0.0001 cd/m\ :sup:`2`.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
index f2173e31..b185110 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
@@ -184,6 +184,14 @@
       - ``p_area``
       - A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
         of type ``V4L2_CTRL_TYPE_AREA``.
+    * - struct :c:type:`v4l2_ctrl_hdr10_cll_info` *
+      - ``p_hdr10_cll``
+      - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_cll_info`. Valid if this control is
+        of type ``V4L2_CTRL_TYPE_HDR10_CLL_INFO``.
+    * - struct :c:type:`v4l2_ctrl_hdr10_mastering_display` *
+      - ``p_hdr10_mastering``
+      - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_mastering_display`. Valid if this control is
+        of type ``V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY``.
     * - void *
       - ``ptr``
       - A pointer to a compound type which can be an N-dimensional array
@@ -358,6 +366,10 @@
       - 0xa20000
       - The class containing RF tuner controls. These controls are
 	described in :ref:`rf-tuner-controls`.
+    * - ``V4L2_CTRL_CLASS_COLORIMETRY``
+      - 0xa50000
+      - The class containing colorimetry controls. These controls are
+        described in :ref:`colorimetry-controls`.
 
 Return Value
 ============
diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
index 121e396..5888032 100644
--- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions
+++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
@@ -145,6 +145,8 @@
 replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_HDR10_CLL_INFO :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY :c:type:`v4l2_ctrl_type`
 
 # V4L2 capability defines
 replace define V4L2_CAP_VIDEO_CAPTURE device-capabilities
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 08295f4..14c8c40 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -383,9 +383,14 @@
 
 Errors:
 
-  =====      =============================
+  =======    ==============================================================
   EINTR      an unmasked signal is pending
-  =====      =============================
+  ENOEXEC    the vcpu hasn't been initialized or the guest tried to execute
+             instructions from device memory (arm64)
+  ENOSYS     data abort outside memslots with no syndrome info and
+             KVM_CAP_ARM_NISV_TO_USER not enabled (arm64)
+  EPERM      SVE feature set but not finalized (arm64)
+  =======    ==============================================================
 
 This ioctl is used to run a guest virtual cpu.  While there are no
 explicit parameters, there is an implicit parameter block that can be
@@ -3089,6 +3094,18 @@
 registers to their initial values.  If this is not called, KVM_RUN will
 return ENOEXEC for that vcpu.
 
+The initial values are defined as:
+	- Processor state:
+		* AArch64: EL1h, D, A, I and F bits set. All other bits
+		  are cleared.
+		* AArch32: SVC, A, I and F bits set. All other bits are
+		  cleared.
+	- General Purpose registers, including PC and SP: set to 0
+	- FPSIMD/NEON registers: set to 0
+	- SVE registers: set to 0
+	- System registers: Reset to their architecturally defined
+	  values as for a warm reset to EL1 (resp. SVC)
+
 Note that because some registers reflect machine topology, all vcpus
 should be created before this ioctl is invoked.
 
@@ -3308,7 +3325,8 @@
 flags which can include the following:
 
   - KVM_GUESTDBG_USE_SW_BP:     using software breakpoints [x86, arm64]
-  - KVM_GUESTDBG_USE_HW_BP:     using hardware breakpoints [x86, s390, arm64]
+  - KVM_GUESTDBG_USE_HW_BP:     using hardware breakpoints [x86, s390]
+  - KVM_GUESTDBG_USE_HW:        using hardware debug events [arm64]
   - KVM_GUESTDBG_INJECT_DB:     inject DB type exception [x86]
   - KVM_GUESTDBG_INJECT_BP:     inject BP type exception [x86]
   - KVM_GUESTDBG_EXIT_PENDING:  trigger an immediate guest exit [s390]
@@ -4822,6 +4840,44 @@
 have deterministic behavior.
 
 
+4.130 KVM_ARM_MTE_COPY_TAGS
+---------------------------
+
+:Capability: KVM_CAP_ARM_MTE
+:Architectures: arm64
+:Type: vm ioctl
+:Parameters: struct kvm_arm_copy_mte_tags
+:Returns: number of bytes copied, < 0 on error (-EINVAL for incorrect
+          arguments, -EFAULT if memory cannot be accessed).
+
+::
+
+  struct kvm_arm_copy_mte_tags {
+	__u64 guest_ipa;
+	__u64 length;
+	void __user *addr;
+	__u64 flags;
+	__u64 reserved[2];
+  };
+
+Copies Memory Tagging Extension (MTE) tags to/from guest tag memory. The
+``guest_ipa`` and ``length`` fields must be ``PAGE_SIZE`` aligned.
+``length`` must not be bigger than 2^31 - PAGE_SIZE bytes. The ``addr``
+field must point to a buffer which the tags will be copied to or from.
+
+``flags`` specifies the direction of copy, either ``KVM_ARM_TAGS_TO_GUEST`` or
+``KVM_ARM_TAGS_FROM_GUEST``.
+
+The size of the buffer to store the tags is ``(length / 16)`` bytes
+(granules in MTE are 16 bytes long). Each byte contains a single tag
+value. This matches the format of ``PTRACE_PEEKMTETAGS`` and
+``PTRACE_POKEMTETAGS``.
+
+If an error occurs before any data is copied then a negative error code is
+returned. If some tags have been copied before an error occurs then the number
+of bytes successfully copied is returned. If the call completes successfully
+then ``length`` is returned.
+
 5. The kvm_run structure
 ========================
 
@@ -5178,6 +5234,11 @@
    to ignore the request, or to gather VM memory core dump and/or
    reset/shutdown of the VM.
 
+Valid flags are:
+
+ - KVM_SYSTEM_EVENT_RESET_FLAG_PSCI_RESET2 (arm64 only) -- the guest issued
+   a SYSTEM_RESET2 call according to v1.1 of the PSCI specification.
+
 ::
 
 		/* KVM_EXIT_IOAPIC_EOI */
@@ -5279,6 +5340,13 @@
 KVM_EXIT_MMIO, but userspace has to emulate any change to the processing state
 if it decides to decode and emulate the instruction.
 
+This feature isn't available to protected VMs, as userspace does not
+have access to the state that is required to perform the emulation.
+Instead, a data abort exception is directly injected in the guest.
+Note that although KVM_CAP_ARM_NISV_TO_USER will be reported if
+queried outside of a protected VM context, the feature will not be
+exposed if queried on a protected VM file descriptor.
+
 ::
 
 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
@@ -6028,6 +6096,30 @@
 can then handle to implement model specific MSR handling and/or user notifications
 to inform a user that an MSR was not handled.
 
+7.26 KVM_CAP_ARM_MTE
+--------------------
+
+:Architectures: arm64
+:Parameters: none
+
+This capability indicates that KVM (and the hardware) supports exposing the
+Memory Tagging Extensions (MTE) to the guest. It must also be enabled by the
+VMM before creating any VCPUs to allow the guest access. Note that MTE is only
+available to a guest running in AArch64 mode and enabling this capability will
+cause attempts to create AArch32 VCPUs to fail.
+
+When enabled the guest is able to access tags associated with any memory given
+to the guest. KVM will ensure that the tags are maintained during swap or
+hibernation of the host; however the VMM needs to manually save/restore the
+tags as appropriate if the VM is migrated.
+
+When this capability is enabled all memory in memslots must be mapped as
+not-shareable (no MAP_SHARED), attempts to create a memslot with a
+MAP_SHARED mmap will result in an -EINVAL return.
+
+When enabled the VMM may make use of the ``KVM_ARM_MTE_COPY_TAGS`` ioctl to
+perform a bulk copy of tags to/from the guest.
+
 8. Other capabilities.
 ======================
 
@@ -6405,6 +6497,15 @@
 (0x40000001). Otherwise, a guest may use the paravirtual features
 regardless of what has actually been exposed through the CPUID leaf.
 
+8.31 KVM_CAP_PTP_KVM
+--------------------
+
+:Architectures: arm64
+
+This capability indicates that the KVM virtual PTP service is
+supported in the host. A VMM can check whether the service is
+available to the guest on migration.
+
 9. Known KVM API problems
 =========================
 
diff --git a/Documentation/virt/kvm/arm/hyp-abi.rst b/Documentation/virt/kvm/arm/hyp-abi.rst
index 83cadd8..4d43fbc 100644
--- a/Documentation/virt/kvm/arm/hyp-abi.rst
+++ b/Documentation/virt/kvm/arm/hyp-abi.rst
@@ -58,6 +58,15 @@
   into place (arm64 only), and jump to the restart address while at HYP/EL2.
   This hypercall is not expected to return to its caller.
 
+* ::
+
+    x0 = HVC_VHE_RESTART (arm64 only)
+
+  Attempt to upgrade the kernel's exception level from EL1 to EL2 by enabling
+  the VHE mode. This is conditioned by the CPU supporting VHE, the EL2 MMU
+  being off, and VHE not being disabled by any other means (command line
+  option, for example).
+
 Any other value of r0/x0 triggers a hypervisor-specific handling,
 which is not documented here.
 
diff --git a/Documentation/virt/kvm/arm/index.rst b/Documentation/virt/kvm/arm/index.rst
index 3e2b2ab..e77a0ee 100644
--- a/Documentation/virt/kvm/arm/index.rst
+++ b/Documentation/virt/kvm/arm/index.rst
@@ -10,3 +10,5 @@
    hyp-abi
    psci
    pvtime
+   ptp_kvm
+   mmio-guard
diff --git a/Documentation/virt/kvm/arm/mmio-guard.rst b/Documentation/virt/kvm/arm/mmio-guard.rst
new file mode 100644
index 0000000..8b3c852
--- /dev/null
+++ b/Documentation/virt/kvm/arm/mmio-guard.rst
@@ -0,0 +1,74 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============
+KVM MMIO guard
+==============
+
+KVM implements device emulation by handling translation faults to any
+IPA range that is not contained in a memory slot. Such a translation
+fault is in most cases passed on to userspace (or in rare cases to the
+host kernel) with the address, size and possibly data of the access
+for emulation.
+
+Should the guest exit with an address that is not one that corresponds
+to an emulatable device, userspace may take measures that are not the
+most graceful as far as the guest is concerned (such as terminating it
+or delivering a fatal exception).
+
+There is also an element of trust: by forwarding the request to
+userspace, the kernel assumes that the guest trusts userspace to do
+the right thing.
+
+The KVM MMIO guard offers a way to mitigate this last point: a guest
+can request that only certain regions of the IPA space are valid as
+MMIO. Only these regions will be handled as an MMIO, and any other
+will result in an exception being delivered to the guest.
+
+This relies on a set of hypercalls defined in the KVM-specific range,
+using the HVC64 calling convention.
+
+* ARM_SMCCC_KVM_FUNC_MMIO_GUARD_INFO
+
+    ==============    ========    ================================
+    Function ID:      (uint32)    0xC6000002
+    Arguments:        none
+    Return Values:    (int64)     NOT_SUPPORTED(-1) on error, or
+                      (uint64)    Protection Granule (PG) size in
+                                  bytes (r0)
+    ==============    ========    ================================
+
+* ARM_SMCCC_KVM_FUNC_MMIO_GUARD_ENROLL
+
+    ==============    ========    ==============================
+    Function ID:      (uint32)    0xC6000003
+    Arguments:        none
+    Return Values:    (int64)     NOT_SUPPORTED(-1) on error, or
+                                  RET_SUCCESS(0) (r0)
+    ==============    ========    ==============================
+
+* ARM_SMCCC_KVM_FUNC_MMIO_GUARD_MAP
+
+    ==============    ========    ====================================
+    Function ID:      (uint32)    0xC6000004
+    Arguments:        (uint64)    The base of the PG-sized IPA range
+                                  that is allowed to be accessed as
+                                  MMIO. Must be aligned to the PG size
+                                  (r1)
+                      (uint64)    Index in the MAIR_EL1 register
+		                  providing the memory attribute that
+				  is used by the guest (r2)
+    Return Values:    (int64)     NOT_SUPPORTED(-1) on error, or
+                                  RET_SUCCESS(0) (r0)
+    ==============    ========    ====================================
+
+* ARM_SMCCC_KVM_FUNC_MMIO_GUARD_UNMAP
+
+    ==============    ========    ======================================
+    Function ID:      (uint32)    0xC6000005
+    Arguments:        (uint64)    PG-sized IPA range aligned to the PG
+                                  size which has been previously mapped.
+                                  Must be aligned to the PG size and
+                                  have been previously mapped (r1)
+    Return Values:    (int64)     NOT_SUPPORTED(-1) on error, or
+                                  RET_SUCCESS(0) (r0)
+    ==============    ========    ======================================
diff --git a/Documentation/virt/kvm/arm/ptp_kvm.rst b/Documentation/virt/kvm/arm/ptp_kvm.rst
new file mode 100644
index 0000000..aecdc80
--- /dev/null
+++ b/Documentation/virt/kvm/arm/ptp_kvm.rst
@@ -0,0 +1,25 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+PTP_KVM support for arm/arm64
+=============================
+
+PTP_KVM is used for high precision time sync between host and guests.
+It relies on transferring the wall clock and counter value from the
+host to the guest using a KVM-specific hypercall.
+
+* ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID: 0x86000001
+
+This hypercall uses the SMC32/HVC32 calling convention:
+
+ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID
+    ==============    ========    =====================================
+    Function ID:      (uint32)    0x86000001
+    Arguments:        (uint32)    KVM_PTP_VIRT_COUNTER(0)
+                                  KVM_PTP_PHYS_COUNTER(1)
+    Return Values:    (int32)     NOT_SUPPORTED(-1) on error, or
+                      (uint32)    Upper 32 bits of wall clock time (r0)
+                      (uint32)    Lower 32 bits of wall clock time (r1)
+                      (uint32)    Upper 32 bits of counter (r2)
+                      (uint32)    Lower 32 bits of counter (r3)
+    Endianness:                   No Restrictions.
+    ==============    ========    =====================================
diff --git a/Documentation/virt/kvm/arm/pvtime.rst b/Documentation/virt/kvm/arm/pvtime.rst
index 687b60d..392521a 100644
--- a/Documentation/virt/kvm/arm/pvtime.rst
+++ b/Documentation/virt/kvm/arm/pvtime.rst
@@ -19,8 +19,8 @@
 
 These are only available in the SMC64/HVC64 calling convention as
 paravirtualized time is not available to 32 bit Arm guests. The existence of
-the PV_FEATURES hypercall should be probed using the SMCCC 1.1 ARCH_FEATURES
-mechanism before calling it.
+the PV_TIME_FEATURES hypercall should be probed using the SMCCC 1.1
+ARCH_FEATURES mechanism before calling it.
 
 PV_TIME_FEATURES
     ============= ========    ==========
diff --git a/Documentation/virt/kvm/devices/arm-vgic-its.rst b/Documentation/virt/kvm/devices/arm-vgic-its.rst
index 6c304fd..d257edd 100644
--- a/Documentation/virt/kvm/devices/arm-vgic-its.rst
+++ b/Documentation/virt/kvm/devices/arm-vgic-its.rst
@@ -80,7 +80,7 @@
     -EFAULT  Invalid guest ram access
     -EBUSY   One or more VCPUS are running
     -EACCES  The virtual ITS is backed by a physical GICv4 ITS, and the
-	     state is not available
+	     state is not available without GICv4.1
     =======  ==========================================================
 
 KVM_DEV_ARM_VGIC_GRP_ITS_REGS
diff --git a/Documentation/virt/kvm/devices/arm-vgic-v3.rst b/Documentation/virt/kvm/devices/arm-vgic-v3.rst
index 5dd3bff..51e5e57 100644
--- a/Documentation/virt/kvm/devices/arm-vgic-v3.rst
+++ b/Documentation/virt/kvm/devices/arm-vgic-v3.rst
@@ -228,7 +228,7 @@
 
     KVM_DEV_ARM_VGIC_CTRL_INIT
       request the initialization of the VGIC, no additional parameter in
-      kvm_device_attr.addr.
+      kvm_device_attr.addr. Must be called after all VCPUs have been created.
     KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES
       save all LPI pending bits into guest RAM pending tables.
 
diff --git a/Documentation/vm/index.rst b/Documentation/vm/index.rst
index eff5fbd..9f80cc8 100644
--- a/Documentation/vm/index.rst
+++ b/Documentation/vm/index.rst
@@ -41,6 +41,7 @@
    ksm
    memory-model
    mmu_notifier
+   multigen_lru
    numa
    overcommit-accounting
    page_migration
diff --git a/Documentation/vm/multigen_lru.rst b/Documentation/vm/multigen_lru.rst
new file mode 100644
index 0000000..d7062c6
--- /dev/null
+++ b/Documentation/vm/multigen_lru.rst
@@ -0,0 +1,159 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============
+Multi-Gen LRU
+=============
+The multi-gen LRU is an alternative LRU implementation that optimizes
+page reclaim and improves performance under memory pressure. Page
+reclaim decides the kernel's caching policy and ability to overcommit
+memory. It directly impacts the kswapd CPU usage and RAM efficiency.
+
+Design overview
+===============
+Objectives
+----------
+The design objectives are:
+
+* Good representation of access recency
+* Try to profit from spatial locality
+* Fast paths to make obvious choices
+* Simple self-correcting heuristics
+
+The representation of access recency is at the core of all LRU
+implementations. In the multi-gen LRU, each generation represents a
+group of pages with similar access recency. Generations establish a
+(time-based) common frame of reference and therefore help make better
+choices, e.g., between different memcgs on a computer or different
+computers in a data center (for job scheduling).
+
+Exploiting spatial locality improves efficiency when gathering the
+accessed bit. A rmap walk targets a single page and does not try to
+profit from discovering a young PTE. A page table walk can sweep all
+the young PTEs in an address space, but the address space can be too
+sparse to make a profit. The key is to optimize both methods and use
+them in combination.
+
+Fast paths reduce code complexity and runtime overhead. Unmapped pages
+do not require TLB flushes; clean pages do not require writeback.
+These facts are only helpful when other conditions, e.g., access
+recency, are similar. With generations as a common frame of reference,
+additional factors stand out. But obvious choices might not be good
+choices; thus self-correction is necessary.
+
+The benefits of simple self-correcting heuristics are self-evident.
+Again, with generations as a common frame of reference, this becomes
+attainable. Specifically, pages in the same generation can be
+categorized based on additional factors, and a feedback loop can
+statistically compare the refault percentages across those categories
+and infer which of them are better choices.
+
+Assumptions
+-----------
+The protection of hot pages and the selection of cold pages are based
+on page access channels and patterns. There are two access channels:
+
+* Accesses through page tables
+* Accesses through file descriptors
+
+The protection of the former channel is by design stronger because:
+
+1. The uncertainty in determining the access patterns of the former
+   channel is higher due to the approximation of the accessed bit.
+2. The cost of evicting the former channel is higher due to the TLB
+   flushes required and the likelihood of encountering the dirty bit.
+3. The penalty of underprotecting the former channel is higher because
+   applications usually do not prepare themselves for major page
+   faults like they do for blocked I/O. E.g., GUI applications
+   commonly use dedicated I/O threads to avoid blocking rendering
+   threads.
+
+There are also two access patterns:
+
+* Accesses exhibiting temporal locality
+* Accesses not exhibiting temporal locality
+
+For the reasons listed above, the former channel is assumed to follow
+the former pattern unless ``VM_SEQ_READ`` or ``VM_RAND_READ`` is
+present, and the latter channel is assumed to follow the latter
+pattern unless outlying refaults have been observed.
+
+Workflow overview
+=================
+Evictable pages are divided into multiple generations for each
+``lruvec``. The youngest generation number is stored in
+``lrugen->max_seq`` for both anon and file types as they are aged on
+an equal footing. The oldest generation numbers are stored in
+``lrugen->min_seq[]`` separately for anon and file types as clean file
+pages can be evicted regardless of swap constraints. These three
+variables are monotonically increasing.
+
+Generation numbers are truncated into ``order_base_2(MAX_NR_GENS+1)``
+bits in order to fit into the gen counter in ``folio->flags``. Each
+truncated generation number is an index to ``lrugen->lists[]``. The
+sliding window technique is used to track at least ``MIN_NR_GENS`` and
+at most ``MAX_NR_GENS`` generations. The gen counter stores a value
+within ``[1, MAX_NR_GENS]`` while a page is on one of
+``lrugen->lists[]``; otherwise it stores zero.
+
+Each generation is divided into multiple tiers. A page accessed ``N``
+times through file descriptors is in tier ``order_base_2(N)``. Unlike
+generations, tiers do not have dedicated ``lrugen->lists[]``. In
+contrast to moving across generations, which requires the LRU lock,
+moving across tiers only involves atomic operations on
+``folio->flags`` and therefore has a negligible cost. A feedback loop
+modeled after the PID controller monitors refaults over all the tiers
+from anon and file types and decides which tiers from which types to
+evict or protect.
+
+There are two conceptually independent procedures: the aging and the
+eviction. They form a closed-loop system, i.e., the page reclaim.
+
+Aging
+-----
+The aging produces young generations. Given an ``lruvec``, it
+increments ``max_seq`` when ``max_seq-min_seq+1`` approaches
+``MIN_NR_GENS``. The aging promotes hot pages to the youngest
+generation when it finds them accessed through page tables; the
+demotion of cold pages happens consequently when it increments
+``max_seq``. The aging uses page table walks and rmap walks to find
+young PTEs. For the former, it iterates ``lruvec_memcg()->mm_list``
+and calls ``walk_page_range()`` with each ``mm_struct`` on this list
+to scan PTEs, and after each iteration, it increments ``max_seq``. For
+the latter, when the eviction walks the rmap and finds a young PTE,
+the aging scans the adjacent PTEs. For both, on finding a young PTE,
+the aging clears the accessed bit and updates the gen counter of the
+page mapped by this PTE to ``(max_seq%MAX_NR_GENS)+1``.
+
+Eviction
+--------
+The eviction consumes old generations. Given an ``lruvec``, it
+increments ``min_seq`` when ``lrugen->lists[]`` indexed by
+``min_seq%MAX_NR_GENS`` becomes empty. To select a type and a tier to
+evict from, it first compares ``min_seq[]`` to select the older type.
+If both types are equally old, it selects the one whose first tier has
+a lower refault percentage. The first tier contains single-use
+unmapped clean pages, which are the best bet. The eviction sorts a
+page according to its gen counter if the aging has found this page
+accessed through page tables and updated its gen counter. It also
+moves a page to the next generation, i.e., ``min_seq+1``, if this page
+was accessed multiple times through file descriptors and the feedback
+loop has detected outlying refaults from the tier this page is in. To
+this end, the feedback loop uses the first tier as the baseline, for
+the reason stated earlier.
+
+Summary
+-------
+The multi-gen LRU can be disassembled into the following parts:
+
+* Generations
+* Rmap walks
+* Page table walks
+* Bloom filters
+* PID controller
+
+The aging and the eviction form a producer-consumer model;
+specifically, the latter drives the former by the sliding window over
+generations. Within the aging, rmap walks drive page table walks by
+inserting hot densely populated page tables to the Bloom filters.
+Within the eviction, the PID controller uses refaults as the feedback
+to select types to evict and tiers to protect.
diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst
index 02deac7..2175465 100644
--- a/Documentation/vm/page_owner.rst
+++ b/Documentation/vm/page_owner.rst
@@ -41,17 +41,17 @@
 - Without page owner::
 
    text    data     bss     dec     hex filename
-   40662   1493     644   42799    a72f mm/page_alloc.o
+   48392   2333     644   51369    c8a9 mm/page_alloc.o
 
 - With page owner::
 
    text    data     bss     dec     hex filename
-   40892   1493     644   43029    a815 mm/page_alloc.o
-   1427      24       8    1459     5b3 mm/page_ext.o
-   2722      50       0    2772     ad4 mm/page_owner.o
+   48800   2445     644   51889    cab1 mm/page_alloc.o
+   6662     108      29    6799    1a8f mm/page_owner.o
+   1025       8       8    1041     411 mm/page_ext.o
 
-Although, roughly, 4 KB code is added in total, page_alloc.o increase by
-230 bytes and only half of it is in hotpath. Building the kernel with
+Although, roughly, 8 KB code is added in total, page_alloc.o increase by
+520 bytes and less than half of it is in hotpath. Building the kernel with
 page owner and turning it on if needed would be great option to debug
 kernel memory problem.
 
diff --git a/MAINTAINERS b/MAINTAINERS
index cdb5f1f..18ae0fc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4294,8 +4294,9 @@
 B:	https://github.com/ClangBuiltLinux/linux/issues
 C:	irc://chat.freenode.net/clangbuiltlinux
 F:	Documentation/kbuild/llvm.rst
+F:	include/linux/compiler-clang.h
+F:	scripts/Makefile.clang
 F:	scripts/clang-tools/
-F:	scripts/lld-version.sh
 K:	\b(?i:clang|llvm)\b
 
 CLEANCACHE API
@@ -6840,6 +6841,13 @@
 F:	include/uapi/linux/firewire*.h
 F:	tools/firewire/
 
+FIRMWARE FRAMEWORK FOR ARMV8-A
+M:	Sudeep Holla <sudeep.holla@arm.com>
+L:	linux-arm-kernel@lists.infradead.org
+S:	Maintained
+F:	drivers/firmware/arm_ffa/
+F:	include/linux/arm_ffa.h
+
 FIRMWARE LOADER (request_firmware)
 M:	Luis Chamberlain <mcgrof@kernel.org>
 L:	linux-kernel@vger.kernel.org
@@ -7857,6 +7865,12 @@
 F:	include/linux/hid*
 F:	include/uapi/linux/hid*
 
+HID PLAYSTATION DRIVER
+M:	Roderick Colenbrander <roderick.colenbrander@sony.com>
+L:	linux-input@vger.kernel.org
+S:	Supported
+F:	drivers/hid/hid-playstation.c
+
 HID SENSOR HUB DRIVERS
 M:	Jiri Kosina <jikos@kernel.org>
 M:	Jonathan Cameron <jic23@kernel.org>
@@ -8640,6 +8654,13 @@
 F:	drivers/hwmon/ina2xx.c
 F:	include/linux/platform_data/ina2xx.h
 
+INCREMENTAL FILE SYSTEM
+M:	Paul Lawrence <paullawrence@google.com>
+L:	linux-unionfs@vger.kernel.org
+S:	Supported
+F:	fs/incfs/
+F:	tools/testing/selftests/filesystems/incfs/
+
 INDUSTRY PACK SUBSYSTEM (IPACK)
 M:	Samuel Iglesias Gonsalvez <siglesias@igalia.com>
 M:	Jens Taprogge <jens.taprogge@taprogge.org>
@@ -9610,10 +9631,10 @@
 KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)
 M:	Marc Zyngier <maz@kernel.org>
 R:	James Morse <james.morse@arm.com>
-R:	Julien Thierry <julien.thierry.kdev@gmail.com>
+R:	Alexandru Elisei <alexandru.elisei@arm.com>
 R:	Suzuki K Poulose <suzuki.poulose@arm.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	kvmarm@lists.cs.columbia.edu
+L:	kvmarm@lists.cs.columbia.edu (moderated for non-subscribers)
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git
 F:	arch/arm64/include/asm/kvm*
@@ -9736,6 +9757,18 @@
 F:	include/uapi/linux/keyctl.h
 F:	security/keys/
 
+KFENCE
+M:	Alexander Potapenko <glider@google.com>
+M:	Marco Elver <elver@google.com>
+R:	Dmitry Vyukov <dvyukov@google.com>
+L:	kasan-dev@googlegroups.com
+S:	Maintained
+F:	Documentation/dev-tools/kfence.rst
+F:	arch/*/include/asm/kfence.h
+F:	include/linux/kfence.h
+F:	lib/Kconfig.kfence
+F:	mm/kfence/
+
 KFIFO
 M:	Stefani Seibold <stefani@seibold.net>
 S:	Maintained
@@ -12373,6 +12406,12 @@
 F:	Documentation/scsi/NinjaSCSI.rst
 F:	drivers/scsi/nsp32*
 
+NINTENDO HID DRIVER
+M:	Daniel J. Ogorchock <djogorchock@gmail.com>
+L:	linux-input@vger.kernel.org
+S:	Maintained
+F:	drivers/hid/hid-nintendo*
+
 NIOS2 ARCHITECTURE
 M:	Ley Foon Tan <ley.foon.tan@intel.com>
 S:	Maintained
@@ -16944,6 +16983,7 @@
 
 SYSTEM CONTROL & POWER/MANAGEMENT INTERFACE (SCPI/SCMI) Message Protocol drivers
 M:	Sudeep Holla <sudeep.holla@arm.com>
+R:	Cristian Marussi <cristian.marussi@arm.com>
 L:	linux-arm-kernel@lists.infradead.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/arm/arm,sc[mp]i.txt
@@ -16951,6 +16991,7 @@
 F:	drivers/cpufreq/sc[mp]i-cpufreq.c
 F:	drivers/firmware/arm_scmi/
 F:	drivers/firmware/arm_scpi.c
+F:	drivers/regulator/scmi-regulator.c
 F:	drivers/reset/reset-scmi.c
 F:	include/linux/sc[mp]i_protocol.h
 F:	include/trace/events/scmi.h
diff --git a/Makefile b/Makefile
index 613b25d..46e97ec 100644
--- a/Makefile
+++ b/Makefile
@@ -232,6 +232,20 @@
 
 extmod-prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
 
+# ANDROID: set up mixed-build support. mixed-build allows device kernel modules
+# to be compiled against a GKI kernel. This approach still uses the headers and
+# Kbuild from device kernel, so care must be taken to ensure that those headers match.
+ifdef KBUILD_MIXED_TREE
+# Need vmlinux.symvers for modpost and System.map for depmod, check whether they exist in KBUILD_MIXED_TREE
+required_mixed_files=vmlinux.symvers System.map
+$(if $(filter-out $(words $(required_mixed_files)), \
+		$(words $(wildcard $(add-prefix $(KBUILD_MIXED_TREE)/,$(required_mixed_files))))),,\
+	$(error KBUILD_MIXED_TREE=$(KBUILD_MIXED_TREE) doesn't contain $(required_mixed_files)))
+endif
+
+mixed-build-prefix = $(if $(KBUILD_MIXED_TREE),$(KBUILD_MIXED_TREE)/)
+export KBUILD_MIXED_TREE
+
 ifeq ($(abs_srctree),$(abs_objtree))
         # building in the source tree
         srctree := .
@@ -347,14 +361,14 @@
 
 else # !mixed-build
 
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
 
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
 KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
 KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
 export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
 
-include scripts/subarch.include
+include $(srctree)/scripts/subarch.include
 
 # Cross compiling and selecting different set of gcc/bin-utils
 # ---------------------------------------------------------------------------
@@ -422,11 +436,12 @@
 HOSTCXX	= g++
 endif
 
-export KBUILD_USERCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
-			      -O2 -fomit-frame-pointer -std=gnu89
-export KBUILD_USERLDFLAGS :=
+KBUILD_USERHOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
+			 -O2 -fomit-frame-pointer -std=gnu89
+KBUILD_USERCFLAGS  := $(KBUILD_USERHOSTCFLAGS) $(USERCFLAGS)
+KBUILD_USERLDFLAGS := $(USERLDFLAGS)
 
-KBUILD_HOSTCFLAGS   := $(KBUILD_USERCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
+KBUILD_HOSTCFLAGS   := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
 KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
 KBUILD_HOSTLDFLAGS  := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
 KBUILD_HOSTLDLIBS   := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
@@ -468,7 +483,7 @@
 KBZIP2		= bzip2
 KLZOP		= lzop
 LZMA		= lzma
-LZ4		= lz4c
+LZ4		= lz4
 XZ		= xz
 ZSTD		= zstd
 
@@ -521,6 +536,7 @@
 export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
 export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD
 export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
+export KBUILD_USERCFLAGS KBUILD_USERLDFLAGS
 
 export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
 export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
@@ -570,32 +586,19 @@
 	{ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
 endif
 
-ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
-ifneq ($(CROSS_COMPILE),)
-CLANG_FLAGS	+= --target=$(notdir $(CROSS_COMPILE:%-=%))
-GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
-CLANG_FLAGS	+= --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE))
-GCC_TOOLCHAIN	:= $(realpath $(GCC_TOOLCHAIN_DIR)/..)
-endif
-ifneq ($(GCC_TOOLCHAIN),)
-CLANG_FLAGS	+= --gcc-toolchain=$(GCC_TOOLCHAIN)
-endif
-ifeq ($(LLVM_IAS),1)
-CLANG_FLAGS	+= -fintegrated-as
-else
-CLANG_FLAGS	+= -fno-integrated-as
-endif
-CLANG_FLAGS	+= -Werror=unknown-warning-option
-KBUILD_CFLAGS	+= $(CLANG_FLAGS)
-KBUILD_AFLAGS	+= $(CLANG_FLAGS)
-export CLANG_FLAGS
-endif
-
 # The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
 # Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
 # CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
 # and from include/config/auto.conf.cmd to detect the compiler upgrade.
-CC_VERSION_TEXT = $(shell $(CC) --version 2>/dev/null | head -n 1)
+CC_VERSION_TEXT = $(subst $(pound),,$(shell LC_ALL=C $(CC) --version 2>/dev/null | head -n 1))
+
+ifneq ($(findstring clang,$(CC_VERSION_TEXT)),)
+include $(srctree)/scripts/Makefile.clang
+endif
+
+# Include this also for config targets because some architectures need
+# cc-cross-prefix to determine CROSS_COMPILE.
+include $(srctree)/scripts/Makefile.compiler
 
 ifdef config-build
 # ===========================================================================
@@ -605,7 +608,7 @@
 # Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
 # KBUILD_DEFCONFIG may point out an alternative default configuration
 # used for 'make defconfig'
-include arch/$(SRCARCH)/Makefile
+include $(srctree)/arch/$(SRCARCH)/Makefile
 export KBUILD_DEFCONFIG KBUILD_KCONFIG CC_VERSION_TEXT
 
 config: outputmakefile scripts_basic FORCE
@@ -666,11 +669,13 @@
 libs-y		:= lib/
 endif # KBUILD_EXTMOD
 
+ifndef KBUILD_MIXED_TREE
 # The all: target is the default when no target is given on the
 # command line.
 # This allow a user to issue only 'make' to build a kernel including modules
 # Defaults to vmlinux, but the arch makefile usually adds further targets
 all: vmlinux
+endif
 
 CFLAGS_GCOV	:= -fprofile-arcs -ftest-coverage \
 	$(call cc-option,-fno-tree-loop-im) \
@@ -700,7 +705,7 @@
 export RETPOLINE_CFLAGS
 export RETPOLINE_VDSO_CFLAGS
 
-include arch/$(SRCARCH)/Makefile
+include $(srctree)/arch/$(SRCARCH)/Makefile
 
 ifdef need-config
 ifdef may-sync-config
@@ -787,6 +792,9 @@
 
 KBUILD_CFLAGS += $(stackp-flags-y)
 
+KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
+KBUILD_CFLAGS += $(KBUILD_CFLAGS-y)
+
 ifdef CONFIG_CC_IS_CLANG
 KBUILD_CPPFLAGS += -Qunused-arguments
 KBUILD_CFLAGS += -Wno-format-invalid-specifier
@@ -882,12 +890,8 @@
 export DEBUG_CFLAGS
 
 ifdef CONFIG_FUNCTION_TRACER
-ifdef CONFIG_FTRACE_MCOUNT_RECORD
-  # gcc 5 supports generating the mcount tables directly
-  ifeq ($(call cc-option-yn,-mrecord-mcount),y)
-    CC_FLAGS_FTRACE	+= -mrecord-mcount
-    export CC_USING_RECORD_MCOUNT := 1
-  endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_CC
+  CC_FLAGS_FTRACE	+= -mrecord-mcount
   ifdef CONFIG_HAVE_NOP_MCOUNT
     ifeq ($(call cc-option-yn, -mnop-mcount),y)
       CC_FLAGS_FTRACE	+= -mnop-mcount
@@ -895,6 +899,15 @@
     endif
   endif
 endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
+  CC_FLAGS_USING	+= -DCC_USING_NOP_MCOUNT
+endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
+  ifdef CONFIG_HAVE_C_RECORDMCOUNT
+    BUILD_C_RECORDMCOUNT := y
+    export BUILD_C_RECORDMCOUNT
+  endif
+endif
 ifdef CONFIG_HAVE_FENTRY
   ifeq ($(call cc-option-yn, -mfentry),y)
     CC_FLAGS_FTRACE	+= -mfentry
@@ -904,12 +917,6 @@
 export CC_FLAGS_FTRACE
 KBUILD_CFLAGS	+= $(CC_FLAGS_FTRACE) $(CC_FLAGS_USING)
 KBUILD_AFLAGS	+= $(CC_FLAGS_USING)
-ifdef CONFIG_DYNAMIC_FTRACE
-	ifdef CONFIG_HAVE_C_RECORDMCOUNT
-		BUILD_C_RECORDMCOUNT := y
-		export BUILD_C_RECORDMCOUNT
-	endif
-endif
 endif
 
 # We trigger additional mismatches with less inlining
@@ -928,6 +935,51 @@
 export CC_FLAGS_SCS
 endif
 
+ifdef CONFIG_LTO_CLANG
+ifdef CONFIG_LTO_CLANG_THIN
+CC_FLAGS_LTO	:= -flto=thin -fsplit-lto-unit
+KBUILD_LDFLAGS	+= --thinlto-cache-dir=$(extmod-prefix).thinlto-cache
+else
+CC_FLAGS_LTO	:= -flto
+endif
+
+ifeq ($(SRCARCH),x86)
+# TODO(b/182572011): Revert workaround for compiler / linker bug.
+CC_FLAGS_LTO	+= -fvisibility=hidden
+else
+CC_FLAGS_LTO	+= -fvisibility=default
+endif
+
+# Limit inlining across translation units to reduce binary size
+KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
+endif
+
+ifdef CONFIG_LTO
+KBUILD_CFLAGS	+= $(CC_FLAGS_LTO)
+export CC_FLAGS_LTO
+endif
+
+ifdef CONFIG_CFI_CLANG
+CC_FLAGS_CFI	:= -fsanitize=cfi \
+		   -fsanitize-cfi-cross-dso \
+		   -fno-sanitize-cfi-canonical-jump-tables \
+		   -fno-sanitize-blacklist
+
+ifdef CONFIG_CFI_PERMISSIVE
+CC_FLAGS_CFI	+= -fsanitize-recover=cfi \
+		   -fno-sanitize-trap=cfi
+else
+ifndef CONFIG_UBSAN_TRAP
+CC_FLAGS_CFI	+= -ftrap-function=__ubsan_handle_cfi_check_fail_abort
+endif
+endif
+
+# If LTO flags are filtered out, we must also filter out CFI.
+CC_FLAGS_LTO	+= $(CC_FLAGS_CFI)
+KBUILD_CFLAGS	+= $(CC_FLAGS_CFI)
+export CC_FLAGS_CFI
+endif
+
 ifdef CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_32B
 KBUILD_CFLAGS += -falign-functions=32
 endif
@@ -1102,8 +1154,9 @@
 
 HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf)
 
-has_libelf = $(call try-run,\
-               echo "int main() {}" | $(HOSTCC) $(KBUILD_HOSTLDFLAGS) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0)
+has_libelf := $(call try-run,\
+                echo "int main() {}" | \
+                $(HOSTCC) $(KBUILD_HOSTCFLAGS) -xc -o /dev/null $(KBUILD_HOSTLDFLAGS) $(HOST_LIBELF_LIBS) -,1,0)
 
 ifdef CONFIG_STACK_VALIDATION
   ifeq ($(has_libelf),1)
@@ -1140,6 +1193,41 @@
 export MODORDER := $(extmod-prefix)modules.order
 export MODULES_NSDEPS := $(extmod-prefix)modules.nsdeps
 
+# ---------------------------------------------------------------------------
+# Kernel headers
+
+PHONY += headers
+
+#Default location for installed headers
+ifeq ($(KBUILD_EXTMOD),)
+PHONY += archheaders archscripts
+hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
+headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
+else
+hdr-prefix = $(KBUILD_EXTMOD)/
+hdr-inst := -f $(srctree)/scripts/Makefile.headersinst dst=$(KBUILD_EXTMOD)/usr/include objtree=$(objtree)/$(KBUILD_EXTMOD) obj
+endif
+
+export INSTALL_HDR_PATH = $(objtree)/$(hdr-prefix)usr
+
+quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include
+      cmd_headers_install = \
+	mkdir -p $(INSTALL_HDR_PATH); \
+	rsync -mrl --include='*/' --include='*\.h' --exclude='*' \
+	$(hdr-prefix)usr/include $(INSTALL_HDR_PATH);
+
+PHONY += headers_install
+headers_install: headers
+	$(call cmd,headers_install)
+
+headers:
+ifeq ($(KBUILD_EXTMOD),)
+	$(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \
+	  $(error Headers not exportable for the $(SRCARCH) architecture))
+endif
+	$(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)include/uapi
+	$(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)arch/$(SRCARCH)/include/uapi
+
 ifeq ($(KBUILD_EXTMOD),)
 core-y		+= kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/ io_uring/
 
@@ -1203,8 +1291,10 @@
 	$(CONFIG_SHELL) $< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)";    \
 	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
 
+ifndef KBUILD_MIXED_TREE
 vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE
 	+$(call if_changed,link-vmlinux)
+endif
 
 targets := vmlinux
 
@@ -1213,7 +1303,8 @@
 $(sort $(vmlinux-deps) $(subdir-modorder)): descend ;
 
 filechk_kernel.release = \
-	echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+	echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
+		$(srctree) $(BRANCH) $(KMI_GENERATION))"
 
 # Store (new) KERNELRELEASE string in include/config/kernel.release
 include/config/kernel.release: FORCE
@@ -1259,6 +1350,10 @@
 PHONY += prepare-objtool prepare-resolve_btfids
 prepare-objtool: $(objtool_target)
 ifeq ($(SKIP_STACK_VALIDATION),1)
+ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
+	@echo "error: Cannot generate __mcount_loc for CONFIG_DYNAMIC_FTRACE=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
+	@false
+endif
 ifdef CONFIG_UNWINDER_ORC
 	@echo "error: Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
 	@false
@@ -1313,33 +1408,6 @@
 	$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
 	$(srctree)/scripts/headerdep.pl -I$(srctree)/include
 
-# ---------------------------------------------------------------------------
-# Kernel headers
-
-#Default location for installed headers
-export INSTALL_HDR_PATH = $(objtree)/usr
-
-quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include
-      cmd_headers_install = \
-	mkdir -p $(INSTALL_HDR_PATH); \
-	rsync -mrl --include='*/' --include='*\.h' --exclude='*' \
-	usr/include $(INSTALL_HDR_PATH)
-
-PHONY += headers_install
-headers_install: headers
-	$(call cmd,headers_install)
-
-PHONY += archheaders archscripts
-
-hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
-
-PHONY += headers
-headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
-	$(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \
-	  $(error Headers not exportable for the $(SRCARCH) architecture))
-	$(Q)$(MAKE) $(hdr-inst)=include/uapi
-	$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi
-
 # Deprecated. It is no-op now.
 PHONY += headers_check
 headers_check:
@@ -1437,7 +1505,8 @@
 # using awk while concatenating to the final file.
 
 PHONY += modules
-modules: $(if $(KBUILD_BUILTIN),vmlinux) modules_check modules_prepare
+# if KBUILD_BUILTIN && !KBUILD_MIXED_TREE, depend on vmlinux
+modules: $(if $(KBUILD_BUILTIN), $(if $(KBUILD_MIXED_TREE),,vmlinux)) modules_check modules_prepare
 
 PHONY += modules_check
 modules_check: modules.order
@@ -1467,8 +1536,8 @@
 		ln -s $(CURDIR) $(MODLIB)/build ; \
 	fi
 	@sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order
-	@cp -f modules.builtin $(MODLIB)/
-	@cp -f $(objtree)/modules.builtin.modinfo $(MODLIB)/
+	@cp -f $(mixed-build-prefix)modules.builtin $(MODLIB)/
+	@cp -f $(or $(mixed-build-prefix),$(objtree)/)modules.builtin.modinfo $(MODLIB)/
 
 ifeq ($(CONFIG_MODULE_SIG), y)
 PHONY += modules_sign
@@ -1488,7 +1557,7 @@
 # Directories & files removed with 'make clean'
 CLEAN_FILES += include/ksym vmlinux.symvers modules-only.symvers \
 	       modules.builtin modules.builtin.modinfo modules.nsdeps \
-	       compile_commands.json
+	       compile_commands.json .thinlto-cache
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_FILES += include/config include/generated          \
@@ -1731,7 +1800,17 @@
 
 clean-dirs := $(KBUILD_EXTMOD)
 clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \
-	$(KBUILD_EXTMOD)/compile_commands.json
+	$(KBUILD_EXTMOD)/compile_commands.json $(KBUILD_EXTMOD)/.thinlto-cache
+
+PHONY += prepare
+# now expand this into a simple variable to reduce the cost of shell evaluations
+prepare: CC_VERSION_TEXT := $(CC_VERSION_TEXT)
+prepare:
+	@if [ "$(CC_VERSION_TEXT)" != $(CONFIG_CC_VERSION_TEXT) ]; then \
+		echo >&2 "warning: the compiler differs from the one used to build the kernel"; \
+		echo >&2 "  The kernel was built by: "$(CONFIG_CC_VERSION_TEXT); \
+		echo >&2 "  You are using:           $(CC_VERSION_TEXT)"; \
+	fi
 
 PHONY += help
 help:
@@ -1740,11 +1819,13 @@
 	@echo  ''
 	@echo  '  modules         - default target, build the module(s)'
 	@echo  '  modules_install - install the module'
+	@echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'
+	@echo  '                    (default: $(abspath $(INSTALL_HDR_PATH)))'
 	@echo  '  clean           - remove generated files in module directory only'
 	@echo  ''
 
 # no-op for external module builds
-PHONY += prepare modules_prepare
+PHONY += modules_prepare
 
 endif # KBUILD_EXTMOD
 
@@ -1760,7 +1841,7 @@
 
 quiet_cmd_depmod = DEPMOD  $(KERNELRELEASE)
       cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \
-                   $(KERNELRELEASE)
+                   $(KERNELRELEASE) $(mixed-build-prefix)
 
 modules_install:
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
@@ -1831,7 +1912,7 @@
 $(build-dirs): prepare
 	$(Q)$(MAKE) $(build)=$@ \
 	single-build=$(if $(filter-out $@/, $(filter $@/%, $(KBUILD_SINGLE_TARGETS))),1) \
-	need-builtin=1 need-modorder=1
+	$(if $(KBUILD_MIXED_TREE),,need-builtin=1) need-modorder=1
 
 clean-dirs := $(addprefix _clean_, $(clean-dirs))
 PHONY += $(clean-dirs) clean
@@ -1853,7 +1934,8 @@
 		-o -name '.tmp_*.o.*' \
 		-o -name '*.c.[012]*.*' \
 		-o -name '*.ll' \
-		-o -name '*.gcno' \) -type f -print | xargs rm -f
+		-o -name '*.gcno' \
+		-o -name '*.*.symversions' \) -type f -print | xargs rm -f
 
 # Generate tags for editors
 # ---------------------------------------------------------------------------
@@ -1935,7 +2017,8 @@
 	$(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
 
 kernelrelease:
-	@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+	@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
+		$(srctree) $(BRANCH) $(KMI_GENERATION))"
 
 kernelversion:
 	@echo $(KERNELVERSION)
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..414594e
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,12 @@
+set noparent
+
+# GKI Dr. No Enforcement is active on this branch. Approval of one of the Dr.
+# No reviewers is required following a regular CodeReview+2 vote of a code
+# reviewer.
+#
+# See the GKI release documentation (go/gki-dr-no) for further details.
+#
+# The expanded list of reviewers can be found at:
+# https://android.googlesource.com/kernel/common/+/android-mainline/OWNERS_DrNo
+
+include kernel/common:android-mainline:/OWNERS_DrNo
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..468ac20
--- /dev/null
+++ b/README.md
@@ -0,0 +1,150 @@
+# How do I submit patches to Android Common Kernels
+
+1. BEST: Make all of your changes to upstream Linux. If appropriate, backport to the stable releases.
+   These patches will be merged automatically in the corresponding common kernels. If the patch is already
+   in upstream Linux, post a backport of the patch that conforms to the patch requirements below.
+   - Do not send patches upstream that contain only symbol exports. To be considered for upstream Linux,
+additions of `EXPORT_SYMBOL_GPL()` require an in-tree modular driver that uses the symbol -- so include
+the new driver or changes to an existing driver in the same patchset as the export.
+   - When sending patches upstream, the commit message must contain a clear case for why the patch
+is needed and beneficial to the community. Enabling out-of-tree drivers or functionality is not
+not a persuasive case.
+
+2. LESS GOOD: Develop your patches out-of-tree (from an upstream Linux point-of-view). Unless these are
+   fixing an Android-specific bug, these are very unlikely to be accepted unless they have been
+   coordinated with kernel-team@android.com. If you want to proceed, post a patch that conforms to the
+   patch requirements below.
+
+# Common Kernel patch requirements
+
+- All patches must conform to the Linux kernel coding standards and pass `script/checkpatch.pl`
+- Patches shall not break gki_defconfig or allmodconfig builds for arm, arm64, x86, x86_64 architectures
+(see  https://source.android.com/setup/build/building-kernels)
+- If the patch is not merged from an upstream branch, the subject must be tagged with the type of patch:
+`UPSTREAM:`, `BACKPORT:`, `FROMGIT:`, `FROMLIST:`, or `ANDROID:`.
+- All patches must have a `Change-Id:` tag (see https://gerrit-review.googlesource.com/Documentation/user-changeid.html)
+- If an Android bug has been assigned, there must be a `Bug:` tag.
+- All patches must have a `Signed-off-by:` tag by the author and the submitter
+
+Additional requirements are listed below based on patch type
+
+## Requirements for backports from mainline Linux: `UPSTREAM:`, `BACKPORT:`
+
+- If the patch is a cherry-pick from Linux mainline with no changes at all
+    - tag the patch subject with `UPSTREAM:`.
+    - add upstream commit information with a `(cherry picked from commit ...)` line
+    - Example:
+        - if the upstream commit message is
+```
+        important patch from upstream
+
+        This is the detailed description of the important patch
+
+        Signed-off-by: Fred Jones <fred.jones@foo.org>
+```
+>- then Joe Smith would upload the patch for the common kernel as
+```
+        UPSTREAM: important patch from upstream
+
+        This is the detailed description of the important patch
+
+        Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+        Bug: 135791357
+        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+        (cherry picked from commit c31e73121f4c1ec41143423ac6ce3ce6dafdcec1)
+        Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+- If the patch requires any changes from the upstream version, tag the patch with `BACKPORT:`
+instead of `UPSTREAM:`.
+    - use the same tags as `UPSTREAM:`
+    - add comments about the changes under the `(cherry picked from commit ...)` line
+    - Example:
+```
+        BACKPORT: important patch from upstream
+
+        This is the detailed description of the important patch
+
+        Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+        Bug: 135791357
+        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+        (cherry picked from commit c31e73121f4c1ec41143423ac6ce3ce6dafdcec1)
+        [joe: Resolved minor conflict in drivers/foo/bar.c ]
+        Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+## Requirements for other backports: `FROMGIT:`, `FROMLIST:`,
+
+- If the patch has been merged into an upstream maintainer tree, but has not yet
+been merged into Linux mainline
+    - tag the patch subject with `FROMGIT:`
+    - add info on where the patch came from as `(cherry picked from commit <sha1> <repo> <branch>)`. This
+must be a stable maintainer branch (not rebased, so don't use `linux-next` for example).
+    - if changes were required, use `BACKPORT: FROMGIT:`
+    - Example:
+        - if the commit message in the maintainer tree is
+```
+        important patch from upstream
+
+        This is the detailed description of the important patch
+
+        Signed-off-by: Fred Jones <fred.jones@foo.org>
+```
+>- then Joe Smith would upload the patch for the common kernel as
+```
+        FROMGIT: important patch from upstream
+
+        This is the detailed description of the important patch
+
+        Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+        Bug: 135791357
+        (cherry picked from commit 878a2fd9de10b03d11d2f622250285c7e63deace
+         https://git.kernel.org/pub/scm/linux/kernel/git/foo/bar.git test-branch)
+        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+        Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+
+- If the patch has been submitted to LKML, but not accepted into any maintainer tree
+    - tag the patch subject with `FROMLIST:`
+    - add a `Link:` tag with a link to the submittal on lore.kernel.org
+    - add a `Bug:` tag with the Android bug (required for patches not accepted into
+a maintainer tree)
+    - if changes were required, use `BACKPORT: FROMLIST:`
+    - Example:
+```
+        FROMLIST: important patch from upstream
+
+        This is the detailed description of the important patch
+
+        Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+        Bug: 135791357
+        Link: https://lore.kernel.org/lkml/20190619171517.GA17557@someone.com/
+        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+        Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+## Requirements for Android-specific patches: `ANDROID:`
+
+- If the patch is fixing a bug to Android-specific code
+    - tag the patch subject with `ANDROID:`
+    - add a `Fixes:` tag that cites the patch with the bug
+    - Example:
+```
+        ANDROID: fix android-specific bug in foobar.c
+
+        This is the detailed description of the important fix
+
+        Fixes: 1234abcd2468 ("foobar: add cool feature")
+        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+        Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+- If the patch is a new feature
+    - tag the patch subject with `ANDROID:`
+    - add a `Bug:` tag with the Android bug (required for android-specific features)
+
diff --git a/android/abi_gki_aarch64 b/android/abi_gki_aarch64
new file mode 100644
index 0000000..57914f29
--- /dev/null
+++ b/android/abi_gki_aarch64
@@ -0,0 +1,4 @@
+[abi_symbol_list]
+# commonly used symbols
+  module_layout
+  __put_task_struct
diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml
new file mode 100644
index 0000000..2f13c4d
--- /dev/null
+++ b/android/abi_gki_aarch64.xml
@@ -0,0 +1,143827 @@
+<abi-corpus-group version='2.1' architecture='elf-arm-aarch64'>
+  <abi-corpus version='2.1' path='vmlinux' architecture='elf-arm-aarch64'>
+    <elf-function-symbols>
+      <elf-symbol name='PDE_DATA' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb70c2d59'/>
+      <elf-symbol name='__ClearPageMovable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e91976d'/>
+      <elf-symbol name='__SetPageMovable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1221a47'/>
+      <elf-symbol name='___ratelimit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d24c881'/>
+      <elf-symbol name='___update_load_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8b1b72f'/>
+      <elf-symbol name='___update_load_sum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd667f721'/>
+      <elf-symbol name='__alloc_disk_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0366cdb'/>
+      <elf-symbol name='__alloc_pages_nodemask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b3c3f73'/>
+      <elf-symbol name='__alloc_percpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x949f7342'/>
+      <elf-symbol name='__alloc_percpu_gfp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf793668'/>
+      <elf-symbol name='__alloc_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a790250'/>
+      <elf-symbol name='__arch_clear_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55686530'/>
+      <elf-symbol name='__arch_copy_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf507de1'/>
+      <elf-symbol name='__arch_copy_in_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9957204'/>
+      <elf-symbol name='__arch_copy_to_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b2941b2'/>
+      <elf-symbol name='__arm_smccc_hvc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50f85302'/>
+      <elf-symbol name='__arm_smccc_smc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf93aae46'/>
+      <elf-symbol name='__bitmap_and' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39b52d19'/>
+      <elf-symbol name='__bitmap_andnot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadfdfcef'/>
+      <elf-symbol name='__bitmap_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x922f45a6'/>
+      <elf-symbol name='__bitmap_complement' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c173634'/>
+      <elf-symbol name='__bitmap_equal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3e6402e'/>
+      <elf-symbol name='__bitmap_or' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa084749a'/>
+      <elf-symbol name='__bitmap_replace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18345b8e'/>
+      <elf-symbol name='__bitmap_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x615911d7'/>
+      <elf-symbol name='__bitmap_weight' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63c4d61f'/>
+      <elf-symbol name='__bitmap_xor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6fc8791'/>
+      <elf-symbol name='__blk_mq_debugfs_rq_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8930b8d'/>
+      <elf-symbol name='__blk_mq_end_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fa4604e'/>
+      <elf-symbol name='__blk_rq_map_sg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x585d85b4'/>
+      <elf-symbol name='__cfg80211_alloc_event_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d2d07ef'/>
+      <elf-symbol name='__cfg80211_alloc_reply_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe80d788a'/>
+      <elf-symbol name='__cfg80211_send_event_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaea241a7'/>
+      <elf-symbol name='__cfi_slowpath' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cd90edd'/>
+      <elf-symbol name='__check_object_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88db9f48'/>
+      <elf-symbol name='__class_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e6dcac3'/>
+      <elf-symbol name='__class_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6731b83'/>
+      <elf-symbol name='__clk_determine_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a7b009f'/>
+      <elf-symbol name='__clk_get_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x882b2393'/>
+      <elf-symbol name='__clk_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc569d8ce'/>
+      <elf-symbol name='__clk_hw_register_divider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad6e876f'/>
+      <elf-symbol name='__clk_hw_register_gate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebaa2baa'/>
+      <elf-symbol name='__clk_hw_register_mux' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36f8f438'/>
+      <elf-symbol name='__clk_is_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6a4a872'/>
+      <elf-symbol name='__clk_mux_determine_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd1b0b1b'/>
+      <elf-symbol name='__clk_mux_determine_rate_closest' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4ed8c2'/>
+      <elf-symbol name='__clocksource_register_scale' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87e72a5c'/>
+      <elf-symbol name='__const_udelay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeae3dfd6'/>
+      <elf-symbol name='__cpufreq_driver_target' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebb0bd5c'/>
+      <elf-symbol name='__cpuhp_remove_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63547718'/>
+      <elf-symbol name='__cpuhp_setup_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57ad17e9'/>
+      <elf-symbol name='__cpuhp_setup_state_cpuslocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46f24c3c'/>
+      <elf-symbol name='__cpuhp_state_add_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe21d8f58'/>
+      <elf-symbol name='__cpuhp_state_remove_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6753e8cf'/>
+      <elf-symbol name='__crypto_memneq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a44f8cb'/>
+      <elf-symbol name='__crypto_xor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3f12f69'/>
+      <elf-symbol name='__dev_get_by_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4fd4996'/>
+      <elf-symbol name='__dev_kfree_skb_any' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x214f8acd'/>
+      <elf-symbol name='__dev_kfree_skb_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9f3b90c'/>
+      <elf-symbol name='__devm_drm_dev_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a0bc38c'/>
+      <elf-symbol name='__devm_iio_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa456fb2c'/>
+      <elf-symbol name='__devm_of_phy_provider_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb603362'/>
+      <elf-symbol name='__devm_regmap_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1bad9c8'/>
+      <elf-symbol name='__devm_regmap_init_i2c' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41d2315a'/>
+      <elf-symbol name='__devm_regmap_init_mmio_clk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11b3a89e'/>
+      <elf-symbol name='__devm_regmap_init_spi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d90fe8'/>
+      <elf-symbol name='__devm_request_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69568ca4'/>
+      <elf-symbol name='__devm_reset_control_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d90fdc4'/>
+      <elf-symbol name='__devm_spi_alloc_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce3055a9'/>
+      <elf-symbol name='__dma_request_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2a7231c'/>
+      <elf-symbol name='__do_once_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x792722d6'/>
+      <elf-symbol name='__do_once_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18e60984'/>
+      <elf-symbol name='__drm_atomic_helper_connector_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2473a691'/>
+      <elf-symbol name='__drm_atomic_helper_connector_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x539477c'/>
+      <elf-symbol name='__drm_atomic_helper_connector_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31e7f598'/>
+      <elf-symbol name='__drm_atomic_helper_crtc_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ef87846'/>
+      <elf-symbol name='__drm_atomic_helper_crtc_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b8e1b25'/>
+      <elf-symbol name='__drm_atomic_helper_crtc_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30afae43'/>
+      <elf-symbol name='__drm_atomic_helper_disable_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88245aca'/>
+      <elf-symbol name='__drm_atomic_helper_plane_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb55e240a'/>
+      <elf-symbol name='__drm_atomic_helper_plane_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x372d9d41'/>
+      <elf-symbol name='__drm_atomic_helper_plane_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc513ae18'/>
+      <elf-symbol name='__drm_atomic_helper_private_obj_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x492f653'/>
+      <elf-symbol name='__drm_atomic_state_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9cad492'/>
+      <elf-symbol name='__drm_crtc_commit_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae277372'/>
+      <elf-symbol name='__drm_dbg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec12af74'/>
+      <elf-symbol name='__drm_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb11ac7a7'/>
+      <elf-symbol name='__drm_printfn_coredump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea00fe81'/>
+      <elf-symbol name='__drm_printfn_debug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf824c7db'/>
+      <elf-symbol name='__drm_printfn_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe317082a'/>
+      <elf-symbol name='__drm_printfn_seq_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeb953b1'/>
+      <elf-symbol name='__drm_puts_coredump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b0e5e9c'/>
+      <elf-symbol name='__drm_puts_seq_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x513072fe'/>
+      <elf-symbol name='__dynamic_dev_dbg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bffa5c7'/>
+      <elf-symbol name='__dynamic_pr_debug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x837b7b09'/>
+      <elf-symbol name='__ethtool_get_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x166a9bf6'/>
+      <elf-symbol name='__fdget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1d8cfaf'/>
+      <elf-symbol name='__free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafb98789'/>
+      <elf-symbol name='__genphy_config_aneg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x608048d9'/>
+      <elf-symbol name='__get_free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a5cb5ee'/>
+      <elf-symbol name='__get_task_comm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x619f9ce1'/>
+      <elf-symbol name='__get_vm_area_caller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc09ae516'/>
+      <elf-symbol name='__hci_cmd_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58ab3544'/>
+      <elf-symbol name='__hci_cmd_sync_ev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff21ce7b'/>
+      <elf-symbol name='__hid_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x489b790b'/>
+      <elf-symbol name='__hid_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x410e705f'/>
+      <elf-symbol name='__hrtimer_get_remaining' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed269ad2'/>
+      <elf-symbol name='__hvc_resize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x626a2c75'/>
+      <elf-symbol name='__hwspin_lock_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5756a223'/>
+      <elf-symbol name='__hwspin_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb91b953c'/>
+      <elf-symbol name='__hwspin_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11ff81de'/>
+      <elf-symbol name='__i2c_smbus_xfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x358c59c8'/>
+      <elf-symbol name='__i2c_transfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb76589cb'/>
+      <elf-symbol name='__ieee80211_schedule_txq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90bb7c27'/>
+      <elf-symbol name='__iio_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1dbfeb09'/>
+      <elf-symbol name='__init_rwsem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5a94b83'/>
+      <elf-symbol name='__init_swait_queue_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x608741b5'/>
+      <elf-symbol name='__init_waitqueue_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9a5ea54'/>
+      <elf-symbol name='__ioread32_copy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3801776b'/>
+      <elf-symbol name='__ioremap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b4b2933'/>
+      <elf-symbol name='__iowrite32_copy' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x2dba276a'/>
+      <elf-symbol name='__ipv6_addr_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd542439'/>
+      <elf-symbol name='__irq_alloc_descs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5db075d0'/>
+      <elf-symbol name='__irq_alloc_domain_generic_chips' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9501bcd1'/>
+      <elf-symbol name='__irq_domain_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc093ed99'/>
+      <elf-symbol name='__kfifo_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x139f2189'/>
+      <elf-symbol name='__kfifo_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb760f52'/>
+      <elf-symbol name='__kfifo_from_user_r' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeebc7c4'/>
+      <elf-symbol name='__kfifo_in' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf23fcb99'/>
+      <elf-symbol name='__kfifo_in_r' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3955fcf6'/>
+      <elf-symbol name='__kfifo_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd462b55'/>
+      <elf-symbol name='__kfifo_out' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13d0adf7'/>
+      <elf-symbol name='__kfifo_out_peek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x281823c5'/>
+      <elf-symbol name='__kfifo_skip_r' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce4e47b6'/>
+      <elf-symbol name='__kfifo_to_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4578f528'/>
+      <elf-symbol name='__kfifo_to_user_r' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2484adc3'/>
+      <elf-symbol name='__kfree_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaab25f1d'/>
+      <elf-symbol name='__kmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb233a45'/>
+      <elf-symbol name='__kthread_init_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0befef5'/>
+      <elf-symbol name='__list_add_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68f31cbd'/>
+      <elf-symbol name='__list_del_entry_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1537255'/>
+      <elf-symbol name='__local_bh_enable_ip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c3fce39'/>
+      <elf-symbol name='__lock_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x560943f3'/>
+      <elf-symbol name='__log_post_read_mmio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6980ea4b'/>
+      <elf-symbol name='__log_read_mmio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf1211a8'/>
+      <elf-symbol name='__log_write_mmio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31dfd5cd'/>
+      <elf-symbol name='__mdiobus_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a8533f6'/>
+      <elf-symbol name='__mdiobus_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee91180d'/>
+      <elf-symbol name='__mdiobus_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x440b8788'/>
+      <elf-symbol name='__media_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ebb4f24'/>
+      <elf-symbol name='__media_device_usb_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1eae4bd'/>
+      <elf-symbol name='__media_entity_setup_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5660ea7'/>
+      <elf-symbol name='__media_pipeline_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b58dc3f'/>
+      <elf-symbol name='__media_pipeline_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90a29c33'/>
+      <elf-symbol name='__memcpy_fromio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d112304'/>
+      <elf-symbol name='__memcpy_toio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf77555cd'/>
+      <elf-symbol name='__memset_io' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18b48e28'/>
+      <elf-symbol name='__mmc_claim_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91af504e'/>
+      <elf-symbol name='__mmc_send_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef047731'/>
+      <elf-symbol name='__mmdrop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88845810'/>
+      <elf-symbol name='__module_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x846bd83c'/>
+      <elf-symbol name='__msecs_to_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f02188f'/>
+      <elf-symbol name='__mutex_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x574add77'/>
+      <elf-symbol name='__napi_alloc_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e08ecfc'/>
+      <elf-symbol name='__napi_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb2b5026'/>
+      <elf-symbol name='__napi_schedule_irqoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe65c2836'/>
+      <elf-symbol name='__ndelay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf8c695a'/>
+      <elf-symbol name='__netdev_alloc_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5084d216'/>
+      <elf-symbol name='__netif_napi_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x982c6b65'/>
+      <elf-symbol name='__netif_set_xps_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcc63aa3'/>
+      <elf-symbol name='__netlink_kernel_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5b0e8c9'/>
+      <elf-symbol name='__nla_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x420964e3'/>
+      <elf-symbol name='__nlmsg_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbfb609e'/>
+      <elf-symbol name='__of_reset_control_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a1a417a'/>
+      <elf-symbol name='__page_frag_cache_drain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x725de0ab'/>
+      <elf-symbol name='__page_pinner_put_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1641e9'/>
+      <elf-symbol name='__pci_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49db0a50'/>
+      <elf-symbol name='__percpu_down_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62b54fa9'/>
+      <elf-symbol name='__phy_modify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x972932d1'/>
+      <elf-symbol name='__platform_driver_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56048cc3'/>
+      <elf-symbol name='__platform_driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc63c1c69'/>
+      <elf-symbol name='__platform_register_drivers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeae06743'/>
+      <elf-symbol name='__pm_relax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x242e07e2'/>
+      <elf-symbol name='__pm_runtime_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa15d2b0'/>
+      <elf-symbol name='__pm_runtime_idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x889b1352'/>
+      <elf-symbol name='__pm_runtime_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7c2a131'/>
+      <elf-symbol name='__pm_runtime_set_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0c974be'/>
+      <elf-symbol name='__pm_runtime_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e65c7e6'/>
+      <elf-symbol name='__pm_runtime_use_autosuspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x449d5f5e'/>
+      <elf-symbol name='__pm_stay_awake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e2c4f7'/>
+      <elf-symbol name='__printk_ratelimit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6128b5fc'/>
+      <elf-symbol name='__pskb_copy_fclone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa78dc52'/>
+      <elf-symbol name='__pskb_pull_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec28707f'/>
+      <elf-symbol name='__put_cred' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5ce765e'/>
+      <elf-symbol name='__put_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x990fb212'/>
+      <elf-symbol name='__put_task_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8ae89e'/>
+      <elf-symbol name='__rcu_read_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d522714'/>
+      <elf-symbol name='__rcu_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2469810f'/>
+      <elf-symbol name='__refrigerator' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4482cdb'/>
+      <elf-symbol name='__register_chrdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe101410b'/>
+      <elf-symbol name='__register_rpmsg_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75b1d5cf'/>
+      <elf-symbol name='__regmap_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd8540d9'/>
+      <elf-symbol name='__release_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1848221d'/>
+      <elf-symbol name='__request_module' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa24f23d8'/>
+      <elf-symbol name='__request_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d9ee2a0'/>
+      <elf-symbol name='__request_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca39ba0'/>
+      <elf-symbol name='__reset_control_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7144364'/>
+      <elf-symbol name='__rht_bucket_nested' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0d156e9'/>
+      <elf-symbol name='__root_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa43365cc'/>
+      <elf-symbol name='__rt_mutex_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x488361de'/>
+      <elf-symbol name='__rtc_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeba2d63f'/>
+      <elf-symbol name='__scsi_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42acb04e'/>
+      <elf-symbol name='__scsi_execute' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd44c7c00'/>
+      <elf-symbol name='__scsi_iterate_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdc5873e'/>
+      <elf-symbol name='__scsi_print_sense' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c0f26fc'/>
+      <elf-symbol name='__sdhci_add_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6609c418'/>
+      <elf-symbol name='__sdhci_set_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b36f8'/>
+      <elf-symbol name='__seq_open_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d36b19e'/>
+      <elf-symbol name='__serio_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2eafcad8'/>
+      <elf-symbol name='__serio_register_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c2ffda'/>
+      <elf-symbol name='__sg_page_iter_dma_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc445ceb'/>
+      <elf-symbol name='__sg_page_iter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c9ca58f'/>
+      <elf-symbol name='__sg_page_iter_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccd4c999'/>
+      <elf-symbol name='__skb_ext_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42e61877'/>
+      <elf-symbol name='__skb_flow_dissect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9493412'/>
+      <elf-symbol name='__skb_get_hash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84c39500'/>
+      <elf-symbol name='__skb_gso_segment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf744d696'/>
+      <elf-symbol name='__skb_pad' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fa84f12'/>
+      <elf-symbol name='__spi_alloc_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf489c20c'/>
+      <elf-symbol name='__spi_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53dd52a1'/>
+      <elf-symbol name='__splice_from_pipe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ef530b4'/>
+      <elf-symbol name='__spmi_driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe7484de'/>
+      <elf-symbol name='__srcu_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70272ece'/>
+      <elf-symbol name='__stack_chk_fail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98a9d10c'/>
+      <elf-symbol name='__sw_hweight16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57674fd7'/>
+      <elf-symbol name='__sw_hweight32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74c134b9'/>
+      <elf-symbol name='__sw_hweight64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f46ced8'/>
+      <elf-symbol name='__sw_hweight8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc3fcbc9'/>
+      <elf-symbol name='__sysfs_match_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x169938c1'/>
+      <elf-symbol name='__task_pid_nr_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa34bf526'/>
+      <elf-symbol name='__tasklet_hi_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e3bad0a'/>
+      <elf-symbol name='__tasklet_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d2ab8ac'/>
+      <elf-symbol name='__trace_bprintk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa20d01ba'/>
+      <elf-symbol name='__trace_bputs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1e25684'/>
+      <elf-symbol name='__traceiter_android_rvh_arm64_serror_panic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe90dfa30'/>
+      <elf-symbol name='__traceiter_android_rvh_attach_entity_load_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4a0bd87'/>
+      <elf-symbol name='__traceiter_android_rvh_bad_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3dc2e9e1'/>
+      <elf-symbol name='__traceiter_android_rvh_can_migrate_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaae945b'/>
+      <elf-symbol name='__traceiter_android_rvh_cgroup_force_kthread_migration' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9c76fb5'/>
+      <elf-symbol name='__traceiter_android_rvh_check_preempt_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e6d9b11'/>
+      <elf-symbol name='__traceiter_android_rvh_cpu_cgroup_can_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85e7ee1b'/>
+      <elf-symbol name='__traceiter_android_rvh_cpu_cgroup_online' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x939b6153'/>
+      <elf-symbol name='__traceiter_android_rvh_cpu_overutilized' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f085466'/>
+      <elf-symbol name='__traceiter_android_rvh_cpumask_any_and_distribute' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb8c4477'/>
+      <elf-symbol name='__traceiter_android_rvh_dequeue_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54746f6f'/>
+      <elf-symbol name='__traceiter_android_rvh_dequeue_task_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe60648a2'/>
+      <elf-symbol name='__traceiter_android_rvh_dequeue_task_idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35091a6'/>
+      <elf-symbol name='__traceiter_android_rvh_detach_entity_load_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc383818'/>
+      <elf-symbol name='__traceiter_android_rvh_die_kernel_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91f68209'/>
+      <elf-symbol name='__traceiter_android_rvh_do_mem_abort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x669812d6'/>
+      <elf-symbol name='__traceiter_android_rvh_do_sched_yield' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0fb88e'/>
+      <elf-symbol name='__traceiter_android_rvh_do_sea' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1b06d02'/>
+      <elf-symbol name='__traceiter_android_rvh_do_sp_pc_abort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47243dfd'/>
+      <elf-symbol name='__traceiter_android_rvh_do_undefinstr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xace8e825'/>
+      <elf-symbol name='__traceiter_android_rvh_enqueue_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c42fab8'/>
+      <elf-symbol name='__traceiter_android_rvh_enqueue_task_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda8f82f0'/>
+      <elf-symbol name='__traceiter_android_rvh_find_busiest_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf9f213e'/>
+      <elf-symbol name='__traceiter_android_rvh_find_energy_efficient_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34729d74'/>
+      <elf-symbol name='__traceiter_android_rvh_find_lowest_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f3ac37e'/>
+      <elf-symbol name='__traceiter_android_rvh_find_new_ilb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa44cff02'/>
+      <elf-symbol name='__traceiter_android_rvh_irqs_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x707d1f10'/>
+      <elf-symbol name='__traceiter_android_rvh_irqs_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a345722'/>
+      <elf-symbol name='__traceiter_android_rvh_pci_d3_sleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab4f646d'/>
+      <elf-symbol name='__traceiter_android_rvh_post_init_entity_util_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcfea98e'/>
+      <elf-symbol name='__traceiter_android_rvh_preempt_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1585c762'/>
+      <elf-symbol name='__traceiter_android_rvh_preempt_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3235e37a'/>
+      <elf-symbol name='__traceiter_android_rvh_prepare_prio_fork' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5c19a9a'/>
+      <elf-symbol name='__traceiter_android_rvh_remove_entity_load_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b4a6c40'/>
+      <elf-symbol name='__traceiter_android_rvh_replace_next_task_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa165ee37'/>
+      <elf-symbol name='__traceiter_android_rvh_report_bug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41d4f1c5'/>
+      <elf-symbol name='__traceiter_android_rvh_rtmutex_prepare_setprio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a5618f3'/>
+      <elf-symbol name='__traceiter_android_rvh_sched_fork' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17bc915e'/>
+      <elf-symbol name='__traceiter_android_rvh_sched_fork_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2af42ab'/>
+      <elf-symbol name='__traceiter_android_rvh_sched_newidle_balance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37a7beb5'/>
+      <elf-symbol name='__traceiter_android_rvh_sched_nohz_balancer_kick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x871e1429'/>
+      <elf-symbol name='__traceiter_android_rvh_sched_rebalance_domains' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48cac8f4'/>
+      <elf-symbol name='__traceiter_android_rvh_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44f20e4a'/>
+      <elf-symbol name='__traceiter_android_rvh_schedule_bug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec347cf9'/>
+      <elf-symbol name='__traceiter_android_rvh_select_fallback_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c0a7d0c'/>
+      <elf-symbol name='__traceiter_android_rvh_select_task_rq_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6406a68'/>
+      <elf-symbol name='__traceiter_android_rvh_select_task_rq_rt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfb6c27d'/>
+      <elf-symbol name='__traceiter_android_rvh_set_iowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a145935'/>
+      <elf-symbol name='__traceiter_android_rvh_set_task_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e6090a9'/>
+      <elf-symbol name='__traceiter_android_rvh_set_user_nice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27e31000'/>
+      <elf-symbol name='__traceiter_android_rvh_setscheduler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a4a305c'/>
+      <elf-symbol name='__traceiter_android_rvh_typec_tcpci_chk_contaminant' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x760027e1'/>
+      <elf-symbol name='__traceiter_android_rvh_typec_tcpci_get_vbus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37614c90'/>
+      <elf-symbol name='__traceiter_android_rvh_uclamp_eff_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb502e3e'/>
+      <elf-symbol name='__traceiter_android_rvh_uclamp_rq_util_with' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88355ef0'/>
+      <elf-symbol name='__traceiter_android_rvh_ufs_complete_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x347db806'/>
+      <elf-symbol name='__traceiter_android_rvh_ufs_reprogram_all_keys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac38cf23'/>
+      <elf-symbol name='__traceiter_android_rvh_update_blocked_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d9b54a'/>
+      <elf-symbol name='__traceiter_android_rvh_update_load_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeff8bb86'/>
+      <elf-symbol name='__traceiter_android_rvh_update_misfit_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x493f5ac4'/>
+      <elf-symbol name='__traceiter_android_rvh_update_rq_clock_pelt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec0223e1'/>
+      <elf-symbol name='__traceiter_android_rvh_update_rt_rq_load_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeef26283'/>
+      <elf-symbol name='__traceiter_android_rvh_util_est_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f6d539a'/>
+      <elf-symbol name='__traceiter_android_rvh_wake_up_new_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74e37c98'/>
+      <elf-symbol name='__traceiter_android_vh___get_user_pages_remote' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f0eea4f'/>
+      <elf-symbol name='__traceiter_android_vh_aes_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0d1574b'/>
+      <elf-symbol name='__traceiter_android_vh_aes_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6160ff0c'/>
+      <elf-symbol name='__traceiter_android_vh_aes_expandkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc004b58'/>
+      <elf-symbol name='__traceiter_android_vh_arch_set_freq_scale' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb98e0e01'/>
+      <elf-symbol name='__traceiter_android_vh_bh_lru_install' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1a04404'/>
+      <elf-symbol name='__traceiter_android_vh_binder_restore_priority' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3678434'/>
+      <elf-symbol name='__traceiter_android_vh_binder_set_priority' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb1a8afe'/>
+      <elf-symbol name='__traceiter_android_vh_binder_wakeup_ilocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93b3051e'/>
+      <elf-symbol name='__traceiter_android_vh_cma_alloc_adjust' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4f83aea'/>
+      <elf-symbol name='__traceiter_android_vh_cma_alloc_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c702b9d'/>
+      <elf-symbol name='__traceiter_android_vh_cma_alloc_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44fcd06e'/>
+      <elf-symbol name='__traceiter_android_vh_cpu_idle_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdc34d2e'/>
+      <elf-symbol name='__traceiter_android_vh_cpu_idle_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd966796c'/>
+      <elf-symbol name='__traceiter_android_vh_dmabuf_heap_flags_validation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe05cf986'/>
+      <elf-symbol name='__traceiter_android_vh_do_madvise_blk_plug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48ab7543'/>
+      <elf-symbol name='__traceiter_android_vh_dump_throttled_rt_tasks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a34d1a3'/>
+      <elf-symbol name='__traceiter_android_vh_dup_task_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75831bf5'/>
+      <elf-symbol name='__traceiter_android_vh_early_resume_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6021d79'/>
+      <elf-symbol name='__traceiter_android_vh_enable_thermal_genl_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc39a1e16'/>
+      <elf-symbol name='__traceiter_android_vh_ep_create_wakeup_source' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e8ed582'/>
+      <elf-symbol name='__traceiter_android_vh_get_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8977c50b'/>
+      <elf-symbol name='__traceiter_android_vh_internal_get_user_pages_fast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f769392'/>
+      <elf-symbol name='__traceiter_android_vh_ipi_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x250fcbba'/>
+      <elf-symbol name='__traceiter_android_vh_map_util_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85f0e764'/>
+      <elf-symbol name='__traceiter_android_vh_meminfo_proc_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f459b4f'/>
+      <elf-symbol name='__traceiter_android_vh_mm_compaction_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bf4d10b'/>
+      <elf-symbol name='__traceiter_android_vh_mm_compaction_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c1880a8'/>
+      <elf-symbol name='__traceiter_android_vh_mmc_blk_mq_rw_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a666675'/>
+      <elf-symbol name='__traceiter_android_vh_mmc_blk_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae47a396'/>
+      <elf-symbol name='__traceiter_android_vh_mutex_wait_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd86d1cd6'/>
+      <elf-symbol name='__traceiter_android_vh_mutex_wait_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5eedd5ac'/>
+      <elf-symbol name='__traceiter_android_vh_of_i2c_get_board_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8df245da'/>
+      <elf-symbol name='__traceiter_android_vh_pagecache_get_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5017b0cf'/>
+      <elf-symbol name='__traceiter_android_vh_pagevec_drain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff2e2ca6'/>
+      <elf-symbol name='__traceiter_android_vh_pin_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6ceece8'/>
+      <elf-symbol name='__traceiter_android_vh_ptype_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eb05f'/>
+      <elf-symbol name='__traceiter_android_vh_rebuild_root_domains_bypass' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x816d0718'/>
+      <elf-symbol name='__traceiter_android_vh_reclaim_pages_plug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3dbfaf2'/>
+      <elf-symbol name='__traceiter_android_vh_resume_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54c248df'/>
+      <elf-symbol name='__traceiter_android_vh_rmqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fc0cdf1'/>
+      <elf-symbol name='__traceiter_android_vh_rtmutex_wait_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x750e0a1'/>
+      <elf-symbol name='__traceiter_android_vh_rtmutex_wait_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9bb6123'/>
+      <elf-symbol name='__traceiter_android_vh_rwsem_read_wait_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa305911'/>
+      <elf-symbol name='__traceiter_android_vh_rwsem_read_wait_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x608da8a2'/>
+      <elf-symbol name='__traceiter_android_vh_rwsem_write_wait_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86904185'/>
+      <elf-symbol name='__traceiter_android_vh_rwsem_write_wait_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c7a8b6c'/>
+      <elf-symbol name='__traceiter_android_vh_sched_setaffinity_early' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d0b71'/>
+      <elf-symbol name='__traceiter_android_vh_sched_show_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb69a1059'/>
+      <elf-symbol name='__traceiter_android_vh_scheduler_tick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c91de8f'/>
+      <elf-symbol name='__traceiter_android_vh_setscheduler_uclamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b1ef6c0'/>
+      <elf-symbol name='__traceiter_android_vh_sha256' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88fe3e25'/>
+      <elf-symbol name='__traceiter_android_vh_show_max_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x693f0634'/>
+      <elf-symbol name='__traceiter_android_vh_show_mem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d424b7d'/>
+      <elf-symbol name='__traceiter_android_vh_shrink_inactive_list_blk_plug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33c0466b'/>
+      <elf-symbol name='__traceiter_android_vh_shrink_lruvec_blk_plug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc1bf6d8'/>
+      <elf-symbol name='__traceiter_android_vh_skip_lru_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2a449ec'/>
+      <elf-symbol name='__traceiter_android_vh_snd_compr_use_pause_in_drain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6ab1ad2'/>
+      <elf-symbol name='__traceiter_android_vh_sound_usb_support_cpu_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb67e469'/>
+      <elf-symbol name='__traceiter_android_vh_sysrq_crash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40207816'/>
+      <elf-symbol name='__traceiter_android_vh_thermal_pm_notify_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d0ef19f'/>
+      <elf-symbol name='__traceiter_android_vh_timerfd_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c68d59c'/>
+      <elf-symbol name='__traceiter_android_vh_try_grab_compound_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15789cd0'/>
+      <elf-symbol name='__traceiter_android_vh_try_to_freeze_todo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1146850'/>
+      <elf-symbol name='__traceiter_android_vh_try_to_freeze_todo_logging' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7632c0b1'/>
+      <elf-symbol name='__traceiter_android_vh_try_to_freeze_todo_unfrozen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd18992c4'/>
+      <elf-symbol name='__traceiter_android_vh_typec_store_partner_src_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3707443'/>
+      <elf-symbol name='__traceiter_android_vh_typec_tcpci_override_toggling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd3fc09b'/>
+      <elf-symbol name='__traceiter_android_vh_typec_tcpm_get_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa264e589'/>
+      <elf-symbol name='__traceiter_android_vh_typec_tcpm_log' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8a5e0bf'/>
+      <elf-symbol name='__traceiter_android_vh_typec_tcpm_modify_src_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b3cdc9'/>
+      <elf-symbol name='__traceiter_android_vh_uclamp_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9d6a1ea'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_check_int_errors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfea98e28'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_compl_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x704d014'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_fill_prdt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ebec6eb'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_prepare_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56b84cc'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_send_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe26f0aea'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_send_tm_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ad14fe0'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_send_uic_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa724649'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_update_sdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5afd339e'/>
+      <elf-symbol name='__traceiter_android_vh_ufs_update_sysfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68f34378'/>
+      <elf-symbol name='__traceiter_android_vh_usb_dev_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ec70da1'/>
+      <elf-symbol name='__traceiter_android_vh_usb_dev_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3e970b8'/>
+      <elf-symbol name='__traceiter_android_vh_watchdog_timer_softlockup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7d0def4'/>
+      <elf-symbol name='__traceiter_android_vh_wq_lockup_pool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62c05483'/>
+      <elf-symbol name='__traceiter_android_vh_zap_pte_range_tlb_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e598c35'/>
+      <elf-symbol name='__traceiter_android_vh_zap_pte_range_tlb_force_flush' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8872fda'/>
+      <elf-symbol name='__traceiter_android_vh_zap_pte_range_tlb_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78c66f14'/>
+      <elf-symbol name='__traceiter_binder_transaction_received' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3b907a7'/>
+      <elf-symbol name='__traceiter_clock_set_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa45eb358'/>
+      <elf-symbol name='__traceiter_cpu_frequency' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xead3e41b'/>
+      <elf-symbol name='__traceiter_device_pm_callback_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf14d833'/>
+      <elf-symbol name='__traceiter_device_pm_callback_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x975dd125'/>
+      <elf-symbol name='__traceiter_dma_fence_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59e1482'/>
+      <elf-symbol name='__traceiter_dwc3_ep_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8b724a'/>
+      <elf-symbol name='__traceiter_dwc3_readl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26871a2b'/>
+      <elf-symbol name='__traceiter_dwc3_writel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcff87172'/>
+      <elf-symbol name='__traceiter_gpu_mem_total' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x448af6f4'/>
+      <elf-symbol name='__traceiter_hrtimer_expire_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fbe9aad'/>
+      <elf-symbol name='__traceiter_hrtimer_expire_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x444a8c3c'/>
+      <elf-symbol name='__traceiter_ipi_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3411569'/>
+      <elf-symbol name='__traceiter_ipi_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb7a853b'/>
+      <elf-symbol name='__traceiter_ipi_raise' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb82d26c2'/>
+      <elf-symbol name='__traceiter_irq_handler_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe46a3bb3'/>
+      <elf-symbol name='__traceiter_irq_handler_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47d4a054'/>
+      <elf-symbol name='__traceiter_kfree_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8945f1b8'/>
+      <elf-symbol name='__traceiter_mm_vmscan_direct_reclaim_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x803bf202'/>
+      <elf-symbol name='__traceiter_mm_vmscan_direct_reclaim_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2520b8a'/>
+      <elf-symbol name='__traceiter_pelt_cfs_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c89d510'/>
+      <elf-symbol name='__traceiter_pelt_dl_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5e180bc'/>
+      <elf-symbol name='__traceiter_pelt_irq_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f945efd'/>
+      <elf-symbol name='__traceiter_pelt_rt_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf680ebec'/>
+      <elf-symbol name='__traceiter_pelt_se_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2c9d1fc'/>
+      <elf-symbol name='__traceiter_rwmmio_post_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7257c10'/>
+      <elf-symbol name='__traceiter_rwmmio_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42dea6f7'/>
+      <elf-symbol name='__traceiter_rwmmio_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x729023fd'/>
+      <elf-symbol name='__traceiter_sched_cpu_capacity_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a08bfe7'/>
+      <elf-symbol name='__traceiter_sched_overutilized_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f8c3cab'/>
+      <elf-symbol name='__traceiter_sched_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbf3c3bc'/>
+      <elf-symbol name='__traceiter_sched_util_est_cfs_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9a7ce0c'/>
+      <elf-symbol name='__traceiter_sched_util_est_se_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8bd905f3'/>
+      <elf-symbol name='__traceiter_sched_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53f54ded'/>
+      <elf-symbol name='__traceiter_softirq_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x263c5561'/>
+      <elf-symbol name='__traceiter_softirq_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b06a32a'/>
+      <elf-symbol name='__traceiter_suspend_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5883efb'/>
+      <elf-symbol name='__traceiter_workqueue_execute_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd7ca165'/>
+      <elf-symbol name='__traceiter_workqueue_execute_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b629b42'/>
+      <elf-symbol name='__traceiter_xdp_exception' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf932933'/>
+      <elf-symbol name='__tty_alloc_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3568ae8'/>
+      <elf-symbol name='__tty_insert_flip_char' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27f8cbdd'/>
+      <elf-symbol name='__typec_altmode_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24b72878'/>
+      <elf-symbol name='__ubsan_handle_cfi_check_fail_abort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf7a4c69'/>
+      <elf-symbol name='__udelay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e7d6bd0'/>
+      <elf-symbol name='__uio_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb07eb77f'/>
+      <elf-symbol name='__unregister_chrdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bc3fbc0'/>
+      <elf-symbol name='__update_load_avg_blocked_se' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9199651'/>
+      <elf-symbol name='__usb_create_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5cc9a1e'/>
+      <elf-symbol name='__usecs_to_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1969a8e'/>
+      <elf-symbol name='__v4l2_ctrl_grab' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3648cbc'/>
+      <elf-symbol name='__v4l2_ctrl_handler_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4474d203'/>
+      <elf-symbol name='__v4l2_ctrl_modify_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef08f67d'/>
+      <elf-symbol name='__v4l2_ctrl_s_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f025331'/>
+      <elf-symbol name='__v4l2_ctrl_s_ctrl_int64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d19ba74'/>
+      <elf-symbol name='__v4l2_device_register_subdev_nodes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86e4df8a'/>
+      <elf-symbol name='__video_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8995d6eb'/>
+      <elf-symbol name='__vlan_find_dev_deep_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c1ec387'/>
+      <elf-symbol name='__vmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae04012c'/>
+      <elf-symbol name='__wake_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eeb2322'/>
+      <elf-symbol name='__wake_up_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2773c485'/>
+      <elf-symbol name='__wake_up_locked_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9337cd0'/>
+      <elf-symbol name='__wake_up_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8273d0b'/>
+      <elf-symbol name='__warn_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56470118'/>
+      <elf-symbol name='__xa_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf40e7a73'/>
+      <elf-symbol name='__xa_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x296cb509'/>
+      <elf-symbol name='__xfrm_state_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4e80eb7'/>
+      <elf-symbol name='_bcd2bin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6936ffe'/>
+      <elf-symbol name='_bin2bcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80ca5026'/>
+      <elf-symbol name='_copy_from_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a316df2'/>
+      <elf-symbol name='_copy_from_iter_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd919750b'/>
+      <elf-symbol name='_copy_to_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc93a4f2d'/>
+      <elf-symbol name='_dev_alert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f2fcbb0'/>
+      <elf-symbol name='_dev_crit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c9bd466'/>
+      <elf-symbol name='_dev_emerg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6322b4f2'/>
+      <elf-symbol name='_dev_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c2f7f69'/>
+      <elf-symbol name='_dev_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25e353e8'/>
+      <elf-symbol name='_dev_notice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68e8aa02'/>
+      <elf-symbol name='_dev_warn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16a2e62a'/>
+      <elf-symbol name='_raw_read_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe8c61f0'/>
+      <elf-symbol name='_raw_read_lock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8dee722d'/>
+      <elf-symbol name='_raw_read_lock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48112d76'/>
+      <elf-symbol name='_raw_read_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1342cdb'/>
+      <elf-symbol name='_raw_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd4d55b6'/>
+      <elf-symbol name='_raw_read_unlock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaeb082ad'/>
+      <elf-symbol name='_raw_read_unlock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa58af0a6'/>
+      <elf-symbol name='_raw_read_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf2ebb87'/>
+      <elf-symbol name='_raw_spin_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba8fbd64'/>
+      <elf-symbol name='_raw_spin_lock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3690fc'/>
+      <elf-symbol name='_raw_spin_lock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8427cc7b'/>
+      <elf-symbol name='_raw_spin_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34db050b'/>
+      <elf-symbol name='_raw_spin_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfef216eb'/>
+      <elf-symbol name='_raw_spin_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5b54b34'/>
+      <elf-symbol name='_raw_spin_unlock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe46021ca'/>
+      <elf-symbol name='_raw_spin_unlock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b750f53'/>
+      <elf-symbol name='_raw_spin_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd35cce70'/>
+      <elf-symbol name='_raw_write_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe68efe41'/>
+      <elf-symbol name='_raw_write_lock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51a511eb'/>
+      <elf-symbol name='_raw_write_lock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aca0190'/>
+      <elf-symbol name='_raw_write_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5021bd81'/>
+      <elf-symbol name='_raw_write_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x258a2c02'/>
+      <elf-symbol name='_raw_write_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40235c98'/>
+      <elf-symbol name='_raw_write_unlock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7ab1ecc'/>
+      <elf-symbol name='_raw_write_unlock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f76baf4'/>
+      <elf-symbol name='_raw_write_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb078aee'/>
+      <elf-symbol name='_snd_ctl_add_follower' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfaa45ec0'/>
+      <elf-symbol name='_snd_pcm_stream_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x100b6a5b'/>
+      <elf-symbol name='_vb2_fop_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x864e4880'/>
+      <elf-symbol name='activate_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3b3583e'/>
+      <elf-symbol name='add_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7eb808d0'/>
+      <elf-symbol name='add_device_randomness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2fb6de5d'/>
+      <elf-symbol name='add_random_ready_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80494ad4'/>
+      <elf-symbol name='add_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65744673'/>
+      <elf-symbol name='add_timer_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa83a512'/>
+      <elf-symbol name='add_uevent_var' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c6febfc'/>
+      <elf-symbol name='add_wait_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4afb2238'/>
+      <elf-symbol name='adjust_managed_page_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb17b1592'/>
+      <elf-symbol name='aead_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x632fdb39'/>
+      <elf-symbol name='aes_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77e9eb37'/>
+      <elf-symbol name='aes_expandkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x558b281d'/>
+      <elf-symbol name='ahash_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41a4cf8'/>
+      <elf-symbol name='alarm_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x536e1fa7'/>
+      <elf-symbol name='alarm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fbe3658'/>
+      <elf-symbol name='alarm_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x111d2777'/>
+      <elf-symbol name='alarm_start_relative' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeb6361a'/>
+      <elf-symbol name='alarm_try_to_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3295ffe'/>
+      <elf-symbol name='alarmtimer_get_rtcdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe05db369'/>
+      <elf-symbol name='alloc_anon_inode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29672e56'/>
+      <elf-symbol name='alloc_can_err_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98339ded'/>
+      <elf-symbol name='alloc_can_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe27a9002'/>
+      <elf-symbol name='alloc_candev_mqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97da26c4'/>
+      <elf-symbol name='alloc_chrdev_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3ec2f2b'/>
+      <elf-symbol name='alloc_etherdev_mqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35259fd5'/>
+      <elf-symbol name='alloc_io_pgtable_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15b12fac'/>
+      <elf-symbol name='alloc_iova_fast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c9bed48'/>
+      <elf-symbol name='alloc_netdev_mqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c573a3e'/>
+      <elf-symbol name='alloc_pages_exact' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fc72f0e'/>
+      <elf-symbol name='alloc_skb_with_frags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbea02d1e'/>
+      <elf-symbol name='alloc_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf9208c0'/>
+      <elf-symbol name='amba_driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabb0625b'/>
+      <elf-symbol name='amba_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x410b032e'/>
+      <elf-symbol name='amba_release_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5444cc67'/>
+      <elf-symbol name='amba_request_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae08667d'/>
+      <elf-symbol name='android_debug_symbol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c42be3b'/>
+      <elf-symbol name='android_rvh_probe_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fbbd0bb'/>
+      <elf-symbol name='anon_inode_getfd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcaed0b7f'/>
+      <elf-symbol name='anon_inode_getfile' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c2e772d'/>
+      <elf-symbol name='argv_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0b13336'/>
+      <elf-symbol name='argv_split' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7380dffa'/>
+      <elf-symbol name='async_schedule_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5f370e0'/>
+      <elf-symbol name='async_schedule_node_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd21b61bd'/>
+      <elf-symbol name='async_synchronize_full_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ca4bf88'/>
+      <elf-symbol name='atomic_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3752c27'/>
+      <elf-symbol name='atomic_notifier_chain_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b9997fb'/>
+      <elf-symbol name='atomic_notifier_chain_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7181db30'/>
+      <elf-symbol name='autoremove_wake_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad73041f'/>
+      <elf-symbol name='available_idle_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2088e082'/>
+      <elf-symbol name='backlight_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0a27e5d'/>
+      <elf-symbol name='backlight_device_set_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x925d335d'/>
+      <elf-symbol name='backlight_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7ad5170'/>
+      <elf-symbol name='badblocks_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d85af16'/>
+      <elf-symbol name='badblocks_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6054cf88'/>
+      <elf-symbol name='badblocks_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4e5d7e7'/>
+      <elf-symbol name='badblocks_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45f45cfd'/>
+      <elf-symbol name='badblocks_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5097dda4'/>
+      <elf-symbol name='badblocks_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4dd333d'/>
+      <elf-symbol name='bcmp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x263c3152'/>
+      <elf-symbol name='bd_set_nr_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8aa279c'/>
+      <elf-symbol name='bdget_disk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3055f15c'/>
+      <elf-symbol name='bdput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c014972'/>
+      <elf-symbol name='bgpio_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb06712b5'/>
+      <elf-symbol name='bin2hex' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd45cc6ca'/>
+      <elf-symbol name='bio_add_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfad339bf'/>
+      <elf-symbol name='bio_alloc_bioset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6ec46e6'/>
+      <elf-symbol name='bio_associate_blkg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87e4803a'/>
+      <elf-symbol name='bio_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d84a413'/>
+      <elf-symbol name='bio_clone_blkg_association' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9ad681'/>
+      <elf-symbol name='bio_crypt_set_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72cbabb6'/>
+      <elf-symbol name='bio_endio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb02c76a'/>
+      <elf-symbol name='bio_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfa4f911'/>
+      <elf-symbol name='bio_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaae20768'/>
+      <elf-symbol name='bit_wait_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44bae227'/>
+      <elf-symbol name='bitmap_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20dbf27'/>
+      <elf-symbol name='bitmap_find_next_zero_area_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64127b67'/>
+      <elf-symbol name='bitmap_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca21ebd3'/>
+      <elf-symbol name='bitmap_from_arr32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8d07858'/>
+      <elf-symbol name='bitmap_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb97220ff'/>
+      <elf-symbol name='bitmap_parselist' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b015d25'/>
+      <elf-symbol name='bitmap_print_to_pagebuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf474c21c'/>
+      <elf-symbol name='bitmap_to_arr32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ec54e78'/>
+      <elf-symbol name='bitmap_zalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2688ec10'/>
+      <elf-symbol name='blk_abort_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d44a655'/>
+      <elf-symbol name='blk_alloc_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9555eb07'/>
+      <elf-symbol name='blk_check_plugged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd27b25dd'/>
+      <elf-symbol name='blk_cleanup_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c5a6dbd'/>
+      <elf-symbol name='blk_crypto_init_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50f8429f'/>
+      <elf-symbol name='blk_execute_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc286fb5c'/>
+      <elf-symbol name='blk_execute_rq_nowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x568cd66a'/>
+      <elf-symbol name='blk_freeze_queue_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77ca1897'/>
+      <elf-symbol name='blk_get_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79225c8c'/>
+      <elf-symbol name='blk_get_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28083d0f'/>
+      <elf-symbol name='blk_ksm_init_passthrough' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcef0000'/>
+      <elf-symbol name='blk_mq_alloc_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36fdd11'/>
+      <elf-symbol name='blk_mq_alloc_request_hctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf261a34'/>
+      <elf-symbol name='blk_mq_alloc_tag_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ef63916'/>
+      <elf-symbol name='blk_mq_complete_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76131ea8'/>
+      <elf-symbol name='blk_mq_complete_request_remote' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20783ee4'/>
+      <elf-symbol name='blk_mq_debugfs_rq_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17cb1768'/>
+      <elf-symbol name='blk_mq_delay_kick_requeue_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9311eaf6'/>
+      <elf-symbol name='blk_mq_end_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7af48802'/>
+      <elf-symbol name='blk_mq_free_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf148a750'/>
+      <elf-symbol name='blk_mq_free_tag_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1ce8f1c'/>
+      <elf-symbol name='blk_mq_freeze_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a69c42e'/>
+      <elf-symbol name='blk_mq_freeze_queue_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8e3c8e'/>
+      <elf-symbol name='blk_mq_freeze_queue_wait_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8637bc0'/>
+      <elf-symbol name='blk_mq_init_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e6f34d6'/>
+      <elf-symbol name='blk_mq_init_queue_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcaca3ae'/>
+      <elf-symbol name='blk_mq_map_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d4d7b79'/>
+      <elf-symbol name='blk_mq_pci_map_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd60c689a'/>
+      <elf-symbol name='blk_mq_quiesce_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2479d1f0'/>
+      <elf-symbol name='blk_mq_requeue_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc0c9ff'/>
+      <elf-symbol name='blk_mq_run_hw_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf59985f3'/>
+      <elf-symbol name='blk_mq_sched_request_inserted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa630b577'/>
+      <elf-symbol name='blk_mq_sched_try_insert_merge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54d651ca'/>
+      <elf-symbol name='blk_mq_sched_try_merge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97f3d436'/>
+      <elf-symbol name='blk_mq_start_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa697c74'/>
+      <elf-symbol name='blk_mq_start_stopped_hw_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x402cb719'/>
+      <elf-symbol name='blk_mq_stop_hw_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x802dbc42'/>
+      <elf-symbol name='blk_mq_stop_hw_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a4bec2d'/>
+      <elf-symbol name='blk_mq_tag_to_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d58bda2'/>
+      <elf-symbol name='blk_mq_tagset_busy_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15ae1dc9'/>
+      <elf-symbol name='blk_mq_tagset_wait_completed_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8482c8'/>
+      <elf-symbol name='blk_mq_unfreeze_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63d76605'/>
+      <elf-symbol name='blk_mq_unique_tag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6a771ba'/>
+      <elf-symbol name='blk_mq_unquiesce_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x888c9612'/>
+      <elf-symbol name='blk_mq_update_nr_hw_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc07ba589'/>
+      <elf-symbol name='blk_mq_virtio_map_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2add496b'/>
+      <elf-symbol name='blk_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56576f48'/>
+      <elf-symbol name='blk_put_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d4525e9'/>
+      <elf-symbol name='blk_put_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50260b56'/>
+      <elf-symbol name='blk_queue_alignment_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d6a4137'/>
+      <elf-symbol name='blk_queue_bounce_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bf73478'/>
+      <elf-symbol name='blk_queue_can_use_dma_map_merging' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f7b7c93'/>
+      <elf-symbol name='blk_queue_chunk_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x320028fc'/>
+      <elf-symbol name='blk_queue_dma_alignment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4559c83f'/>
+      <elf-symbol name='blk_queue_flag_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x343e7734'/>
+      <elf-symbol name='blk_queue_flag_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e001075'/>
+      <elf-symbol name='blk_queue_flag_test_and_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdaefdd7d'/>
+      <elf-symbol name='blk_queue_io_min' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89420351'/>
+      <elf-symbol name='blk_queue_io_opt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1aa025e4'/>
+      <elf-symbol name='blk_queue_logical_block_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b757f35'/>
+      <elf-symbol name='blk_queue_max_discard_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5f1e178'/>
+      <elf-symbol name='blk_queue_max_discard_segments' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe732090a'/>
+      <elf-symbol name='blk_queue_max_hw_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7faf587e'/>
+      <elf-symbol name='blk_queue_max_segment_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf14d5d3f'/>
+      <elf-symbol name='blk_queue_max_segments' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda79a5fa'/>
+      <elf-symbol name='blk_queue_max_write_zeroes_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ec3f524'/>
+      <elf-symbol name='blk_queue_physical_block_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7821fc5a'/>
+      <elf-symbol name='blk_queue_rq_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8dfa3200'/>
+      <elf-symbol name='blk_queue_virt_boundary' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe049e269'/>
+      <elf-symbol name='blk_queue_write_cache' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd196e035'/>
+      <elf-symbol name='blk_rq_map_kern' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3f899bc'/>
+      <elf-symbol name='blk_rq_map_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc826f099'/>
+      <elf-symbol name='blk_rq_map_user_iov' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc17b814c'/>
+      <elf-symbol name='blk_rq_unmap_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35715465'/>
+      <elf-symbol name='blk_set_queue_dying' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22a5706b'/>
+      <elf-symbol name='blk_status_to_errno' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84502a47'/>
+      <elf-symbol name='blk_sync_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c2addde'/>
+      <elf-symbol name='blk_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58e9c04'/>
+      <elf-symbol name='blk_verify_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27639220'/>
+      <elf-symbol name='blkdev_get_by_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1423e1e0'/>
+      <elf-symbol name='blkdev_get_by_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x649791a6'/>
+      <elf-symbol name='blkdev_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa836e7d8'/>
+      <elf-symbol name='blkg_lookup_slowpath' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74396161'/>
+      <elf-symbol name='blocking_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8317ad7c'/>
+      <elf-symbol name='blocking_notifier_chain_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb0c86a5'/>
+      <elf-symbol name='blocking_notifier_chain_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x963aa2a9'/>
+      <elf-symbol name='bpf_dispatcher_xdp_func' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f8f674a'/>
+      <elf-symbol name='bpf_prog_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x366ca9b6'/>
+      <elf-symbol name='bpf_prog_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbdb91e8'/>
+      <elf-symbol name='bpf_prog_sub' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56062a22'/>
+      <elf-symbol name='bpf_trace_run1' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe6945da'/>
+      <elf-symbol name='bpf_trace_run10' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd40b6709'/>
+      <elf-symbol name='bpf_trace_run11' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2b45e14'/>
+      <elf-symbol name='bpf_trace_run12' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36067839'/>
+      <elf-symbol name='bpf_trace_run2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55cbe2a3'/>
+      <elf-symbol name='bpf_trace_run3' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c5ff5e1'/>
+      <elf-symbol name='bpf_trace_run4' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf270ef1b'/>
+      <elf-symbol name='bpf_trace_run5' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21b8c997'/>
+      <elf-symbol name='bpf_trace_run6' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3efd1757'/>
+      <elf-symbol name='bpf_trace_run7' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd2eda80'/>
+      <elf-symbol name='bpf_trace_run8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f3eaada'/>
+      <elf-symbol name='bpf_trace_run9' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1cad306'/>
+      <elf-symbol name='bpf_warn_invalid_xdp_action' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c2bcd37'/>
+      <elf-symbol name='bsearch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1057a279'/>
+      <elf-symbol name='bt_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b8c32f1'/>
+      <elf-symbol name='bt_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x718b8b7'/>
+      <elf-symbol name='bt_to_errno' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7aad008b'/>
+      <elf-symbol name='bt_warn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x214e4265'/>
+      <elf-symbol name='btbcm_set_bdaddr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78accd70'/>
+      <elf-symbol name='btbcm_setup_apple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33719b3d'/>
+      <elf-symbol name='btbcm_setup_patchram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x320687a5'/>
+      <elf-symbol name='build_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70ef640f'/>
+      <elf-symbol name='bus_find_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0ed2be7'/>
+      <elf-symbol name='bus_for_each_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a6ea43b'/>
+      <elf-symbol name='bus_for_each_drv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a5b3886'/>
+      <elf-symbol name='bus_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84e95e4e'/>
+      <elf-symbol name='bus_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x107cec26'/>
+      <elf-symbol name='bus_set_iommu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa46b9b0'/>
+      <elf-symbol name='bus_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb56d0141'/>
+      <elf-symbol name='bus_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x201e20f7'/>
+      <elf-symbol name='cache_line_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x605d5bfa'/>
+      <elf-symbol name='caches_clean_inval_pou' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2e168ab'/>
+      <elf-symbol name='call_netdevice_notifiers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a6cdf3f'/>
+      <elf-symbol name='call_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28aa6a67'/>
+      <elf-symbol name='can_change_mtu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa54d09b7'/>
+      <elf-symbol name='can_free_echo_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x709049aa'/>
+      <elf-symbol name='can_get_echo_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb794d3b'/>
+      <elf-symbol name='can_put_echo_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea8ca127'/>
+      <elf-symbol name='cancel_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda571594'/>
+      <elf-symbol name='cancel_delayed_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8beca97'/>
+      <elf-symbol name='cancel_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd969d6f4'/>
+      <elf-symbol name='capable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6cbbc89'/>
+      <elf-symbol name='cdc_ncm_bind_common' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x452675a'/>
+      <elf-symbol name='cdc_ncm_change_mtu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50f218f2'/>
+      <elf-symbol name='cdc_ncm_fill_tx_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa886d84'/>
+      <elf-symbol name='cdc_ncm_rx_verify_ndp16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ddeaf35'/>
+      <elf-symbol name='cdc_ncm_rx_verify_nth16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe11a39a9'/>
+      <elf-symbol name='cdc_ncm_select_altsetting' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda8eb785'/>
+      <elf-symbol name='cdc_ncm_unbind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7c3c670'/>
+      <elf-symbol name='cdc_parse_cdc_header' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeea3413b'/>
+      <elf-symbol name='cdev_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0baa58'/>
+      <elf-symbol name='cdev_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb698786f'/>
+      <elf-symbol name='cdev_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe80cad67'/>
+      <elf-symbol name='cdev_device_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b520dc0'/>
+      <elf-symbol name='cdev_device_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1cfa9429'/>
+      <elf-symbol name='cdev_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa21876e3'/>
+      <elf-symbol name='ce_aes_expandkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68f275ad'/>
+      <elf-symbol name='cec_allocate_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac6f41a'/>
+      <elf-symbol name='cec_delete_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d05bedd'/>
+      <elf-symbol name='cec_fill_conn_info_from_drm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38b57a52'/>
+      <elf-symbol name='cec_notifier_cec_adap_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafd60a7'/>
+      <elf-symbol name='cec_notifier_cec_adap_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebe334d9'/>
+      <elf-symbol name='cec_notifier_conn_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1634286'/>
+      <elf-symbol name='cec_notifier_conn_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaee236c6'/>
+      <elf-symbol name='cec_notifier_set_phys_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa01fbb6b'/>
+      <elf-symbol name='cec_notifier_set_phys_addr_from_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8c99364'/>
+      <elf-symbol name='cec_queue_pin_hpd_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30749855'/>
+      <elf-symbol name='cec_received_msg_ts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18ef8b54'/>
+      <elf-symbol name='cec_register_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2790336'/>
+      <elf-symbol name='cec_s_log_addrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17830855'/>
+      <elf-symbol name='cec_s_phys_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf542579'/>
+      <elf-symbol name='cec_s_phys_addr_from_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x903aaeea'/>
+      <elf-symbol name='cec_transmit_attempt_done_ts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2027d09f'/>
+      <elf-symbol name='cec_transmit_done_ts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb927885'/>
+      <elf-symbol name='cec_unregister_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62561d8c'/>
+      <elf-symbol name='cfg80211_assoc_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ef188d0'/>
+      <elf-symbol name='cfg80211_auth_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73c7a728'/>
+      <elf-symbol name='cfg80211_cac_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f0e816c'/>
+      <elf-symbol name='cfg80211_calculate_bitrate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15a37cf3'/>
+      <elf-symbol name='cfg80211_ch_switch_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3039342a'/>
+      <elf-symbol name='cfg80211_ch_switch_started_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4be9c24'/>
+      <elf-symbol name='cfg80211_chandef_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef265f27'/>
+      <elf-symbol name='cfg80211_chandef_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a5d816f'/>
+      <elf-symbol name='cfg80211_check_combinations' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d2a5eff'/>
+      <elf-symbol name='cfg80211_classify8021d' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd27217c5'/>
+      <elf-symbol name='cfg80211_conn_failed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8681aeaa'/>
+      <elf-symbol name='cfg80211_connect_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb6f6ef1'/>
+      <elf-symbol name='cfg80211_cqm_beacon_loss_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20de82cf'/>
+      <elf-symbol name='cfg80211_cqm_pktloss_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd01a8b1c'/>
+      <elf-symbol name='cfg80211_cqm_rssi_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a5e00a8'/>
+      <elf-symbol name='cfg80211_cqm_txe_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f0a2f14'/>
+      <elf-symbol name='cfg80211_del_sta_sinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0e219e8'/>
+      <elf-symbol name='cfg80211_disconnected' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1885a6b'/>
+      <elf-symbol name='cfg80211_external_auth_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8105b412'/>
+      <elf-symbol name='cfg80211_find_elem_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d6cba30'/>
+      <elf-symbol name='cfg80211_find_vendor_elem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79b82a71'/>
+      <elf-symbol name='cfg80211_ft_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd8593bf'/>
+      <elf-symbol name='cfg80211_get_bss' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6222b27'/>
+      <elf-symbol name='cfg80211_gtk_rekey_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f84e919'/>
+      <elf-symbol name='cfg80211_ibss_joined' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55b34df5'/>
+      <elf-symbol name='cfg80211_inform_bss_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe964ffd'/>
+      <elf-symbol name='cfg80211_inform_bss_frame_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa1f775b'/>
+      <elf-symbol name='cfg80211_mgmt_tx_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9967030'/>
+      <elf-symbol name='cfg80211_michael_mic_failure' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaedb37b5'/>
+      <elf-symbol name='cfg80211_new_sta' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x773cbbd'/>
+      <elf-symbol name='cfg80211_notify_new_peer_candidate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b0877e1'/>
+      <elf-symbol name='cfg80211_pmksa_candidate_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c8efbc7'/>
+      <elf-symbol name='cfg80211_port_authorized' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c13069e'/>
+      <elf-symbol name='cfg80211_probe_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb623cc03'/>
+      <elf-symbol name='cfg80211_put_bss' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88eccb27'/>
+      <elf-symbol name='cfg80211_radar_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68eb3264'/>
+      <elf-symbol name='cfg80211_ready_on_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f769127'/>
+      <elf-symbol name='cfg80211_ref_bss' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7865da8'/>
+      <elf-symbol name='cfg80211_reg_can_beacon_relax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ad5f557'/>
+      <elf-symbol name='cfg80211_remain_on_channel_expired' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10992361'/>
+      <elf-symbol name='cfg80211_report_obss_beacon_khz' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa077e95'/>
+      <elf-symbol name='cfg80211_report_wowlan_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2641702'/>
+      <elf-symbol name='cfg80211_roamed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5576f6d1'/>
+      <elf-symbol name='cfg80211_rx_assoc_resp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf253839f'/>
+      <elf-symbol name='cfg80211_rx_mgmt_khz' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22f60c81'/>
+      <elf-symbol name='cfg80211_rx_mlme_mgmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb71fd82f'/>
+      <elf-symbol name='cfg80211_rx_spurious_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f8bc1e4'/>
+      <elf-symbol name='cfg80211_rx_unexpected_4addr_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb46ac068'/>
+      <elf-symbol name='cfg80211_rx_unprot_mlme_mgmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf82df59'/>
+      <elf-symbol name='cfg80211_scan_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1dcd7d33'/>
+      <elf-symbol name='cfg80211_sched_scan_results' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc717787e'/>
+      <elf-symbol name='cfg80211_sched_scan_stopped' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x52752d63'/>
+      <elf-symbol name='cfg80211_sched_scan_stopped_rtnl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x800cb07e'/>
+      <elf-symbol name='cfg80211_shutdown_all_interfaces' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71253dc2'/>
+      <elf-symbol name='cfg80211_stop_iface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17db67ba'/>
+      <elf-symbol name='cfg80211_tdls_oper_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72ad0a73'/>
+      <elf-symbol name='cfg80211_tx_mlme_mgmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9a4e431'/>
+      <elf-symbol name='cfg80211_unlink_bss' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1936da4'/>
+      <elf-symbol name='cfg80211_unregister_wdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeda0edd5'/>
+      <elf-symbol name='cfg80211_update_owe_info_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8db65a8e'/>
+      <elf-symbol name='cfg80211_vendor_cmd_get_sender' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bed7271'/>
+      <elf-symbol name='cfg80211_vendor_cmd_reply' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf848994c'/>
+      <elf-symbol name='cgroup_taskset_first' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec91786f'/>
+      <elf-symbol name='cgroup_taskset_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x921ea495'/>
+      <elf-symbol name='check_preempt_curr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe85dd2a6'/>
+      <elf-symbol name='class_create_file_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a9f6959'/>
+      <elf-symbol name='class_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdae8a9'/>
+      <elf-symbol name='class_find_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76d6497'/>
+      <elf-symbol name='class_for_each_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cdc3025'/>
+      <elf-symbol name='class_interface_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x716b65a0'/>
+      <elf-symbol name='class_remove_file_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x246451fd'/>
+      <elf-symbol name='class_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfffd791'/>
+      <elf-symbol name='cleanup_srcu_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63c909ed'/>
+      <elf-symbol name='clear_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d9ee9f0'/>
+      <elf-symbol name='clk_bulk_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x479f7d4b'/>
+      <elf-symbol name='clk_bulk_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec68ba70'/>
+      <elf-symbol name='clk_bulk_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeafe07b8'/>
+      <elf-symbol name='clk_bulk_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef29fcdd'/>
+      <elf-symbol name='clk_bulk_unprepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63c08029'/>
+      <elf-symbol name='clk_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6e6d99d'/>
+      <elf-symbol name='clk_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x815588a6'/>
+      <elf-symbol name='clk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4e78557'/>
+      <elf-symbol name='clk_get_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63150e06'/>
+      <elf-symbol name='clk_get_phase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c5ff742'/>
+      <elf-symbol name='clk_get_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x556e4390'/>
+      <elf-symbol name='clk_has_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b952517'/>
+      <elf-symbol name='clk_hw_get_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc49b65d8'/>
+      <elf-symbol name='clk_hw_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eeab7ad'/>
+      <elf-symbol name='clk_hw_get_num_parents' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f951681'/>
+      <elf-symbol name='clk_hw_get_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0baf630'/>
+      <elf-symbol name='clk_hw_get_parent_by_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8bd32278'/>
+      <elf-symbol name='clk_hw_get_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa783373f'/>
+      <elf-symbol name='clk_hw_is_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1adf99b4'/>
+      <elf-symbol name='clk_hw_is_prepared' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4cb1bf7'/>
+      <elf-symbol name='clk_hw_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a5b69d'/>
+      <elf-symbol name='clk_hw_register_composite' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a83a008'/>
+      <elf-symbol name='clk_hw_register_fixed_factor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0f21dc2'/>
+      <elf-symbol name='clk_hw_round_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3022bd98'/>
+      <elf-symbol name='clk_hw_set_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf4c0523'/>
+      <elf-symbol name='clk_hw_set_rate_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x799a1b63'/>
+      <elf-symbol name='clk_hw_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27d0d611'/>
+      <elf-symbol name='clk_hw_unregister_composite' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x194db04a'/>
+      <elf-symbol name='clk_hw_unregister_divider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9b7fcf4'/>
+      <elf-symbol name='clk_hw_unregister_fixed_factor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x116feb6d'/>
+      <elf-symbol name='clk_hw_unregister_mux' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11fc98a0'/>
+      <elf-symbol name='clk_is_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b149c36'/>
+      <elf-symbol name='clk_notifier_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60091316'/>
+      <elf-symbol name='clk_notifier_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x719e17ff'/>
+      <elf-symbol name='clk_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c9a7371'/>
+      <elf-symbol name='clk_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e1ca751'/>
+      <elf-symbol name='clk_rate_exclusive_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacb4d88c'/>
+      <elf-symbol name='clk_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd49ab1f8'/>
+      <elf-symbol name='clk_register_clkdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9822234'/>
+      <elf-symbol name='clk_register_composite' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf591b225'/>
+      <elf-symbol name='clk_register_divider_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2093f4dd'/>
+      <elf-symbol name='clk_register_fixed_factor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7a86ab0'/>
+      <elf-symbol name='clk_register_fixed_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe33cc873'/>
+      <elf-symbol name='clk_register_gate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92295424'/>
+      <elf-symbol name='clk_register_mux_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x556d2606'/>
+      <elf-symbol name='clk_round_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43f81957'/>
+      <elf-symbol name='clk_set_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2396c7f0'/>
+      <elf-symbol name='clk_set_phase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7329c06'/>
+      <elf-symbol name='clk_set_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76d9b876'/>
+      <elf-symbol name='clk_set_rate_exclusive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5604800'/>
+      <elf-symbol name='clk_sync_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x500c836'/>
+      <elf-symbol name='clk_unprepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb077e70a'/>
+      <elf-symbol name='clk_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7757b51a'/>
+      <elf-symbol name='clockevents_config_and_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8c1bf5e'/>
+      <elf-symbol name='clocks_calc_mult_shift' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62bb09bf'/>
+      <elf-symbol name='close_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa3b120f'/>
+      <elf-symbol name='cma_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c3fabf'/>
+      <elf-symbol name='cma_for_each_area' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6899fbe'/>
+      <elf-symbol name='cma_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ae4ec29'/>
+      <elf-symbol name='cma_get_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa143845c'/>
+      <elf-symbol name='cma_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46f92bc5'/>
+      <elf-symbol name='compat_alloc_user_space' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbffde8ec'/>
+      <elf-symbol name='compat_only_sysfs_link_entry_to_kobj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a0b545b'/>
+      <elf-symbol name='compat_ptr_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d331467'/>
+      <elf-symbol name='complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6257a2f'/>
+      <elf-symbol name='complete_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93d6dd8c'/>
+      <elf-symbol name='complete_and_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26cc73c3'/>
+      <elf-symbol name='completion_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xddf6ad7a'/>
+      <elf-symbol name='component_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x736d8f29'/>
+      <elf-symbol name='component_bind_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f14fe0b'/>
+      <elf-symbol name='component_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc41ee92f'/>
+      <elf-symbol name='component_master_add_with_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad15a66c'/>
+      <elf-symbol name='component_master_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d1e944a'/>
+      <elf-symbol name='component_match_add_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89d45e28'/>
+      <elf-symbol name='component_unbind_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef228735'/>
+      <elf-symbol name='config_ep_by_speed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc9d7673'/>
+      <elf-symbol name='config_group_find_item' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85e394dc'/>
+      <elf-symbol name='config_group_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x520842cc'/>
+      <elf-symbol name='config_group_init_type_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadc19ca'/>
+      <elf-symbol name='config_item_init_type_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f195478'/>
+      <elf-symbol name='config_item_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd333cd05'/>
+      <elf-symbol name='configfs_register_subsystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4153a48c'/>
+      <elf-symbol name='configfs_unregister_subsystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x239b5d8'/>
+      <elf-symbol name='console_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbaaf01e'/>
+      <elf-symbol name='console_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa059be7d'/>
+      <elf-symbol name='console_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40d04664'/>
+      <elf-symbol name='console_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc631580a'/>
+      <elf-symbol name='consume_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66d98b47'/>
+      <elf-symbol name='copy_from_kernel_nofault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4531ab62'/>
+      <elf-symbol name='cpu_have_feature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41237f71'/>
+      <elf-symbol name='cpu_hotplug_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d0015e2'/>
+      <elf-symbol name='cpu_hotplug_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6c8dc62'/>
+      <elf-symbol name='cpu_latency_qos_add_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x589e1a22'/>
+      <elf-symbol name='cpu_latency_qos_remove_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aaa15b2'/>
+      <elf-symbol name='cpu_latency_qos_request_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7537226a'/>
+      <elf-symbol name='cpu_latency_qos_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc528096'/>
+      <elf-symbol name='cpu_pm_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x444f1735'/>
+      <elf-symbol name='cpu_pm_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f98d766'/>
+      <elf-symbol name='cpufreq_add_update_util_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1403ad09'/>
+      <elf-symbol name='cpufreq_cpu_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x868da02c'/>
+      <elf-symbol name='cpufreq_cpu_get_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94f9c59d'/>
+      <elf-symbol name='cpufreq_cpu_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b771c1b'/>
+      <elf-symbol name='cpufreq_dbs_governor_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cff1130'/>
+      <elf-symbol name='cpufreq_dbs_governor_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12bcdf0f'/>
+      <elf-symbol name='cpufreq_dbs_governor_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56c1e567'/>
+      <elf-symbol name='cpufreq_dbs_governor_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65bc5b82'/>
+      <elf-symbol name='cpufreq_dbs_governor_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf595ac66'/>
+      <elf-symbol name='cpufreq_disable_fast_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9ba8587'/>
+      <elf-symbol name='cpufreq_driver_fast_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dd4c1b5'/>
+      <elf-symbol name='cpufreq_driver_resolve_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9537fdb6'/>
+      <elf-symbol name='cpufreq_driver_target' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30ff05e4'/>
+      <elf-symbol name='cpufreq_enable_boost_support' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf30a5502'/>
+      <elf-symbol name='cpufreq_enable_fast_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdf8ed8f'/>
+      <elf-symbol name='cpufreq_freq_transition_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x128efb02'/>
+      <elf-symbol name='cpufreq_freq_transition_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x714eaced'/>
+      <elf-symbol name='cpufreq_frequency_table_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x518b49f8'/>
+      <elf-symbol name='cpufreq_frequency_table_verify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec774acb'/>
+      <elf-symbol name='cpufreq_generic_frequency_table_verify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc289e46d'/>
+      <elf-symbol name='cpufreq_generic_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba2b7f64'/>
+      <elf-symbol name='cpufreq_generic_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa350c0ab'/>
+      <elf-symbol name='cpufreq_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9305f8e6'/>
+      <elf-symbol name='cpufreq_get_driver_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x553b49a4'/>
+      <elf-symbol name='cpufreq_get_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49c630bd'/>
+      <elf-symbol name='cpufreq_policy_transition_delay_us' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc186711'/>
+      <elf-symbol name='cpufreq_quick_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c46233a'/>
+      <elf-symbol name='cpufreq_quick_get_max' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33f0768c'/>
+      <elf-symbol name='cpufreq_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a314123'/>
+      <elf-symbol name='cpufreq_register_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16ca673a'/>
+      <elf-symbol name='cpufreq_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65d9e877'/>
+      <elf-symbol name='cpufreq_remove_update_util_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3192d768'/>
+      <elf-symbol name='cpufreq_table_index_unsorted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ca30d11'/>
+      <elf-symbol name='cpufreq_this_cpu_can_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5628274a'/>
+      <elf-symbol name='cpufreq_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeeb9579a'/>
+      <elf-symbol name='cpufreq_unregister_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdeb750f9'/>
+      <elf-symbol name='cpufreq_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6214aef2'/>
+      <elf-symbol name='cpuidle_driver_state_disabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f54fe75'/>
+      <elf-symbol name='cpuidle_get_cpu_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5311155'/>
+      <elf-symbol name='cpuidle_get_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7597a963'/>
+      <elf-symbol name='cpuidle_governor_latency_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc319717f'/>
+      <elf-symbol name='cpuidle_pause_and_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf553318d'/>
+      <elf-symbol name='cpuidle_resume_and_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcabe04de'/>
+      <elf-symbol name='cpumask_any_and_distribute' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x173e23e7'/>
+      <elf-symbol name='cpumask_any_but' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83928ce0'/>
+      <elf-symbol name='cpumask_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92ad1db9'/>
+      <elf-symbol name='cpumask_next_and' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4445ab21'/>
+      <elf-symbol name='cpumask_next_wrap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x233eb8eb'/>
+      <elf-symbol name='cpupri_find_fitness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbaab25f'/>
+      <elf-symbol name='cpus_read_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa04f945a'/>
+      <elf-symbol name='cpus_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18fb2caf'/>
+      <elf-symbol name='crc16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd6841d4'/>
+      <elf-symbol name='crc32_be' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4df02057'/>
+      <elf-symbol name='crc32_le' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69dd3b5b'/>
+      <elf-symbol name='crc8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2aae5cc'/>
+      <elf-symbol name='crc8_populate_msb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa8106bc'/>
+      <elf-symbol name='create_function_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x419108bb'/>
+      <elf-symbol name='crypto_aead_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4297a9e8'/>
+      <elf-symbol name='crypto_aead_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd06a3e8'/>
+      <elf-symbol name='crypto_aead_setauthsize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4e06a88'/>
+      <elf-symbol name='crypto_aead_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfde95d9d'/>
+      <elf-symbol name='crypto_ahash_digest' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x693072fd'/>
+      <elf-symbol name='crypto_ahash_final' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbeaff47'/>
+      <elf-symbol name='crypto_ahash_finup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcce56cb8'/>
+      <elf-symbol name='crypto_ahash_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2c0c7c6'/>
+      <elf-symbol name='crypto_alloc_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a0d07e0'/>
+      <elf-symbol name='crypto_alloc_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dbf8e4'/>
+      <elf-symbol name='crypto_alloc_akcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26da7e11'/>
+      <elf-symbol name='crypto_alloc_base' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x838f7d2c'/>
+      <elf-symbol name='crypto_alloc_rng' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbeeee59'/>
+      <elf-symbol name='crypto_alloc_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb32a30be'/>
+      <elf-symbol name='crypto_alloc_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2ca08ae'/>
+      <elf-symbol name='crypto_alloc_sync_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdd551ba'/>
+      <elf-symbol name='crypto_attr_alg_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a11a0fc'/>
+      <elf-symbol name='crypto_check_attr_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4934bdd0'/>
+      <elf-symbol name='crypto_cipher_encrypt_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb55ee49'/>
+      <elf-symbol name='crypto_cipher_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x832362c2'/>
+      <elf-symbol name='crypto_comp_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40d70ba1'/>
+      <elf-symbol name='crypto_comp_decompress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9617d71b'/>
+      <elf-symbol name='crypto_dequeue_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae72e475'/>
+      <elf-symbol name='crypto_destroy_tfm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2606b'/>
+      <elf-symbol name='crypto_drop_spawn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf35f0324'/>
+      <elf-symbol name='crypto_enqueue_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9fd2e73'/>
+      <elf-symbol name='crypto_get_default_null_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4014fa8d'/>
+      <elf-symbol name='crypto_grab_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8093d57'/>
+      <elf-symbol name='crypto_grab_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3e03610'/>
+      <elf-symbol name='crypto_grab_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c682c20'/>
+      <elf-symbol name='crypto_grab_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7e3b14f'/>
+      <elf-symbol name='crypto_grab_spawn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeaa61b1d'/>
+      <elf-symbol name='crypto_has_alg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x951a2773'/>
+      <elf-symbol name='crypto_inc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ef051c8'/>
+      <elf-symbol name='crypto_init_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x499043d3'/>
+      <elf-symbol name='crypto_inst_setname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bd9d528'/>
+      <elf-symbol name='crypto_put_default_null_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21cd536a'/>
+      <elf-symbol name='crypto_register_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31411dbd'/>
+      <elf-symbol name='crypto_register_aeads' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21dd2c7c'/>
+      <elf-symbol name='crypto_register_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x996fb067'/>
+      <elf-symbol name='crypto_register_ahashes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7b31d5e'/>
+      <elf-symbol name='crypto_register_akcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2315f148'/>
+      <elf-symbol name='crypto_register_alg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb648217'/>
+      <elf-symbol name='crypto_register_algs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25835782'/>
+      <elf-symbol name='crypto_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9879932b'/>
+      <elf-symbol name='crypto_register_rng' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51978858'/>
+      <elf-symbol name='crypto_register_rngs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5db54ea9'/>
+      <elf-symbol name='crypto_register_scomp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe37c627b'/>
+      <elf-symbol name='crypto_register_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4d373fc'/>
+      <elf-symbol name='crypto_register_shashes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe2a7c98'/>
+      <elf-symbol name='crypto_register_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa528dd59'/>
+      <elf-symbol name='crypto_register_skciphers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xddb74e1'/>
+      <elf-symbol name='crypto_register_template' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea3ea1fe'/>
+      <elf-symbol name='crypto_register_templates' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa60b6a93'/>
+      <elf-symbol name='crypto_remove_spawns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x787595e6'/>
+      <elf-symbol name='crypto_req_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb099863a'/>
+      <elf-symbol name='crypto_rng_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86a2ee9f'/>
+      <elf-symbol name='crypto_sha1_finup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe77f131e'/>
+      <elf-symbol name='crypto_sha1_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6eb2a8bb'/>
+      <elf-symbol name='crypto_shash_alg_has_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6938d50a'/>
+      <elf-symbol name='crypto_shash_digest' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc512a989'/>
+      <elf-symbol name='crypto_shash_final' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdb801d9'/>
+      <elf-symbol name='crypto_shash_finup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cd1f5bb'/>
+      <elf-symbol name='crypto_shash_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed66b4d6'/>
+      <elf-symbol name='crypto_shash_tfm_digest' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec8008b9'/>
+      <elf-symbol name='crypto_shash_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa10672d8'/>
+      <elf-symbol name='crypto_skcipher_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x614641f9'/>
+      <elf-symbol name='crypto_skcipher_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd19c2c1'/>
+      <elf-symbol name='crypto_skcipher_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c481b74'/>
+      <elf-symbol name='crypto_spawn_tfm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x892ab25'/>
+      <elf-symbol name='crypto_spawn_tfm2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x225bc4e8'/>
+      <elf-symbol name='crypto_unregister_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f32c9a4'/>
+      <elf-symbol name='crypto_unregister_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c36c219'/>
+      <elf-symbol name='crypto_unregister_akcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc84f27e9'/>
+      <elf-symbol name='crypto_unregister_alg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a1aa6b6'/>
+      <elf-symbol name='crypto_unregister_algs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b654788'/>
+      <elf-symbol name='crypto_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x710c73b6'/>
+      <elf-symbol name='crypto_unregister_rng' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ffb404c'/>
+      <elf-symbol name='crypto_unregister_rngs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f8287d2'/>
+      <elf-symbol name='crypto_unregister_scomp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18f5579c'/>
+      <elf-symbol name='crypto_unregister_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3b36f1e'/>
+      <elf-symbol name='crypto_unregister_shashes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d66b4bf'/>
+      <elf-symbol name='crypto_unregister_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cebd81a'/>
+      <elf-symbol name='crypto_unregister_skciphers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4608b693'/>
+      <elf-symbol name='crypto_unregister_template' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe280c14b'/>
+      <elf-symbol name='crypto_unregister_templates' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6f19b54'/>
+      <elf-symbol name='csum_ipv6_magic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d65cbd5'/>
+      <elf-symbol name='csum_partial' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe113bbbc'/>
+      <elf-symbol name='csum_tcpudp_nofold' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd25bc5d4'/>
+      <elf-symbol name='current_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29287397'/>
+      <elf-symbol name='current_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd75ee543'/>
+      <elf-symbol name='d_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15a195c0'/>
+      <elf-symbol name='d_alloc_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c6f23d2'/>
+      <elf-symbol name='d_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf74e40d'/>
+      <elf-symbol name='d_make_root' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa00f473c'/>
+      <elf-symbol name='d_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaba95da9'/>
+      <elf-symbol name='dapm_pinctrl_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x680ce2f9'/>
+      <elf-symbol name='dapm_regulator_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1776873'/>
+      <elf-symbol name='datagram_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3542737'/>
+      <elf-symbol name='dbs_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x857fa061'/>
+      <elf-symbol name='deactivate_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19939899'/>
+      <elf-symbol name='debugfs_attr_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc975300d'/>
+      <elf-symbol name='debugfs_attr_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28ae9db8'/>
+      <elf-symbol name='debugfs_create_atomic_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7a5cbe'/>
+      <elf-symbol name='debugfs_create_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2b56d32'/>
+      <elf-symbol name='debugfs_create_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xada69ce6'/>
+      <elf-symbol name='debugfs_create_devm_seqfile' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31b1c46a'/>
+      <elf-symbol name='debugfs_create_dir' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4cf795'/>
+      <elf-symbol name='debugfs_create_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x685fd899'/>
+      <elf-symbol name='debugfs_create_file_unsafe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ecf183e'/>
+      <elf-symbol name='debugfs_create_regset32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffc3c621'/>
+      <elf-symbol name='debugfs_create_size_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1117a511'/>
+      <elf-symbol name='debugfs_create_symlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb903b0ac'/>
+      <elf-symbol name='debugfs_create_u16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x806cb34e'/>
+      <elf-symbol name='debugfs_create_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7b4491e'/>
+      <elf-symbol name='debugfs_create_u64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x294895e4'/>
+      <elf-symbol name='debugfs_create_u8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee9adc95'/>
+      <elf-symbol name='debugfs_create_x32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71508598'/>
+      <elf-symbol name='debugfs_create_x64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefac5962'/>
+      <elf-symbol name='debugfs_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5876c15a'/>
+      <elf-symbol name='debugfs_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7169efe'/>
+      <elf-symbol name='debugfs_rename' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa554708f'/>
+      <elf-symbol name='dec_zone_page_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee2c537d'/>
+      <elf-symbol name='default_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f3f434b'/>
+      <elf-symbol name='default_wake_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaad8c7d6'/>
+      <elf-symbol name='deferred_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe730994c'/>
+      <elf-symbol name='del_gendisk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70e6af2e'/>
+      <elf-symbol name='del_random_ready_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ccf04ae'/>
+      <elf-symbol name='del_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa4008af'/>
+      <elf-symbol name='del_timer_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf15e728e'/>
+      <elf-symbol name='delayed_work_timer_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x253af43d'/>
+      <elf-symbol name='desc_to_gpio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8662689'/>
+      <elf-symbol name='destroy_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c03d20c'/>
+      <elf-symbol name='dev_alloc_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1393da9d'/>
+      <elf-symbol name='dev_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd22c78a7'/>
+      <elf-symbol name='dev_coredumpm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1c6e749'/>
+      <elf-symbol name='dev_coredumpv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6756c473'/>
+      <elf-symbol name='dev_driver_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee6f7962'/>
+      <elf-symbol name='dev_err_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf262fa3'/>
+      <elf-symbol name='dev_fwnode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e2cc5c2'/>
+      <elf-symbol name='dev_get_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b65c74b'/>
+      <elf-symbol name='dev_get_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2f555f0'/>
+      <elf-symbol name='dev_get_stats' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79e488fd'/>
+      <elf-symbol name='dev_mc_sync_multiple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2ce6ed6'/>
+      <elf-symbol name='dev_mc_unsync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98b377bc'/>
+      <elf-symbol name='dev_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76918487'/>
+      <elf-symbol name='dev_pm_clear_wake_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf7f8369'/>
+      <elf-symbol name='dev_pm_domain_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x861104fb'/>
+      <elf-symbol name='dev_pm_domain_attach_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe8c74f4'/>
+      <elf-symbol name='dev_pm_domain_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b086807'/>
+      <elf-symbol name='dev_pm_genpd_set_performance_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c2f5d04'/>
+      <elf-symbol name='dev_pm_opp_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8805751'/>
+      <elf-symbol name='dev_pm_opp_adjust_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50871ca'/>
+      <elf-symbol name='dev_pm_opp_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cad9432'/>
+      <elf-symbol name='dev_pm_opp_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd427a1cf'/>
+      <elf-symbol name='dev_pm_opp_find_freq_ceil' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xced8cbbf'/>
+      <elf-symbol name='dev_pm_opp_find_freq_exact' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c50d704'/>
+      <elf-symbol name='dev_pm_opp_find_freq_floor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x492694ed'/>
+      <elf-symbol name='dev_pm_opp_free_cpufreq_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbf281fc'/>
+      <elf-symbol name='dev_pm_opp_get_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa394dd18'/>
+      <elf-symbol name='dev_pm_opp_get_level' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5398fb'/>
+      <elf-symbol name='dev_pm_opp_get_max_transition_latency' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66a5f6a5'/>
+      <elf-symbol name='dev_pm_opp_get_opp_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd7898ac'/>
+      <elf-symbol name='dev_pm_opp_get_opp_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2127230b'/>
+      <elf-symbol name='dev_pm_opp_get_sharing_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa324e14'/>
+      <elf-symbol name='dev_pm_opp_get_suspend_opp_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x673c8a38'/>
+      <elf-symbol name='dev_pm_opp_get_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24d0ff0c'/>
+      <elf-symbol name='dev_pm_opp_init_cpufreq_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1776ff1f'/>
+      <elf-symbol name='dev_pm_opp_of_add_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25298611'/>
+      <elf-symbol name='dev_pm_opp_of_cpumask_add_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cf281e7'/>
+      <elf-symbol name='dev_pm_opp_of_cpumask_remove_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ded56d3'/>
+      <elf-symbol name='dev_pm_opp_of_find_icc_paths' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1b0cd5f'/>
+      <elf-symbol name='dev_pm_opp_of_get_sharing_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x288b7076'/>
+      <elf-symbol name='dev_pm_opp_of_register_em' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ff277e2'/>
+      <elf-symbol name='dev_pm_opp_of_remove_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9065c91b'/>
+      <elf-symbol name='dev_pm_opp_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5eff07db'/>
+      <elf-symbol name='dev_pm_opp_put_clkname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68778064'/>
+      <elf-symbol name='dev_pm_opp_put_opp_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ae81cc2'/>
+      <elf-symbol name='dev_pm_opp_put_prop_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf794e8bf'/>
+      <elf-symbol name='dev_pm_opp_put_regulators' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61810445'/>
+      <elf-symbol name='dev_pm_opp_register_set_opp_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c337706'/>
+      <elf-symbol name='dev_pm_opp_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca5d79ba'/>
+      <elf-symbol name='dev_pm_opp_remove_all_dynamic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26067b5f'/>
+      <elf-symbol name='dev_pm_opp_set_bw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22691adf'/>
+      <elf-symbol name='dev_pm_opp_set_clkname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab45cc47'/>
+      <elf-symbol name='dev_pm_opp_set_prop_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa58689b3'/>
+      <elf-symbol name='dev_pm_opp_set_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x770c822c'/>
+      <elf-symbol name='dev_pm_opp_set_regulators' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57e3b035'/>
+      <elf-symbol name='dev_pm_opp_set_sharing_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3fc9d6'/>
+      <elf-symbol name='dev_pm_opp_set_supported_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac64094a'/>
+      <elf-symbol name='dev_pm_opp_unregister_set_opp_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9d634af'/>
+      <elf-symbol name='dev_pm_qos_add_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e021cc7'/>
+      <elf-symbol name='dev_pm_qos_add_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57f82bad'/>
+      <elf-symbol name='dev_pm_qos_expose_latency_tolerance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86cb742b'/>
+      <elf-symbol name='dev_pm_qos_hide_latency_tolerance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90100c5a'/>
+      <elf-symbol name='dev_pm_qos_read_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90006374'/>
+      <elf-symbol name='dev_pm_qos_remove_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe865d8be'/>
+      <elf-symbol name='dev_pm_qos_remove_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae3fa166'/>
+      <elf-symbol name='dev_pm_qos_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a403217'/>
+      <elf-symbol name='dev_pm_qos_update_user_latency_tolerance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7b424dc'/>
+      <elf-symbol name='dev_pm_set_dedicated_wake_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a608818'/>
+      <elf-symbol name='dev_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22adc302'/>
+      <elf-symbol name='dev_printk_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63c6350b'/>
+      <elf-symbol name='dev_queue_xmit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6a122c2'/>
+      <elf-symbol name='dev_set_mtu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f9f2fb8'/>
+      <elf-symbol name='dev_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5b793bc'/>
+      <elf-symbol name='dev_uc_sync_multiple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda2920ec'/>
+      <elf-symbol name='dev_uc_unsync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5104a6c8'/>
+      <elf-symbol name='dev_valid_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62849ac7'/>
+      <elf-symbol name='dev_vprintk_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24a4c0a9'/>
+      <elf-symbol name='devfreq_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f362bed'/>
+      <elf-symbol name='devfreq_add_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x261f5add'/>
+      <elf-symbol name='devfreq_cooling_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71747ab9'/>
+      <elf-symbol name='devfreq_event_disable_edev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebcea808'/>
+      <elf-symbol name='devfreq_event_enable_edev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b87670f'/>
+      <elf-symbol name='devfreq_event_get_edev_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbfbc013'/>
+      <elf-symbol name='devfreq_event_get_edev_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41ebe877'/>
+      <elf-symbol name='devfreq_event_get_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b7eab51'/>
+      <elf-symbol name='devfreq_monitor_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3f4d5bd'/>
+      <elf-symbol name='devfreq_monitor_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x444e125b'/>
+      <elf-symbol name='devfreq_monitor_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6329cf27'/>
+      <elf-symbol name='devfreq_monitor_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6a5347c'/>
+      <elf-symbol name='devfreq_recommended_opp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4fef99b'/>
+      <elf-symbol name='devfreq_register_opp_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ad171ad'/>
+      <elf-symbol name='devfreq_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd10cf33b'/>
+      <elf-symbol name='devfreq_remove_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e8675db'/>
+      <elf-symbol name='devfreq_resume_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5311ab8'/>
+      <elf-symbol name='devfreq_suspend_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe246953c'/>
+      <elf-symbol name='devfreq_unregister_opp_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x766387d4'/>
+      <elf-symbol name='devfreq_update_interval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe95c4ef'/>
+      <elf-symbol name='device_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6984b77a'/>
+      <elf-symbol name='device_add_disk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf01e8aed'/>
+      <elf-symbol name='device_add_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x707430e'/>
+      <elf-symbol name='device_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5be0157'/>
+      <elf-symbol name='device_bind_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a23daed'/>
+      <elf-symbol name='device_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c778189'/>
+      <elf-symbol name='device_create_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5bfbe41'/>
+      <elf-symbol name='device_create_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x248706f5'/>
+      <elf-symbol name='device_create_with_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9dc28e4'/>
+      <elf-symbol name='device_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22677679'/>
+      <elf-symbol name='device_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd54e0e3a'/>
+      <elf-symbol name='device_find_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf49bc565'/>
+      <elf-symbol name='device_for_each_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5467e92'/>
+      <elf-symbol name='device_get_child_node_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc251f92d'/>
+      <elf-symbol name='device_get_dma_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d3a726d'/>
+      <elf-symbol name='device_get_mac_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49fb60e1'/>
+      <elf-symbol name='device_get_match_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73234090'/>
+      <elf-symbol name='device_get_named_child_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d98bf89'/>
+      <elf-symbol name='device_get_next_child_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c02efbb'/>
+      <elf-symbol name='device_get_phy_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x644b6fe8'/>
+      <elf-symbol name='device_init_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc05d3310'/>
+      <elf-symbol name='device_initialize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96ce39fc'/>
+      <elf-symbol name='device_link_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac2c21b6'/>
+      <elf-symbol name='device_link_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1017afa6'/>
+      <elf-symbol name='device_match_fwnode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dc8bbde'/>
+      <elf-symbol name='device_match_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b3efe83'/>
+      <elf-symbol name='device_node_to_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2892adf1'/>
+      <elf-symbol name='device_property_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91d9d279'/>
+      <elf-symbol name='device_property_read_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58adfb31'/>
+      <elf-symbol name='device_property_read_string_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe42f97a6'/>
+      <elf-symbol name='device_property_read_u16_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x457a9ef3'/>
+      <elf-symbol name='device_property_read_u32_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8845cd6'/>
+      <elf-symbol name='device_property_read_u8_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6adb81d3'/>
+      <elf-symbol name='device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e54dbf4'/>
+      <elf-symbol name='device_release_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45daf495'/>
+      <elf-symbol name='device_remove_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xece0a1fa'/>
+      <elf-symbol name='device_remove_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81490434'/>
+      <elf-symbol name='device_remove_file_self' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72c56908'/>
+      <elf-symbol name='device_remove_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15ac5bc4'/>
+      <elf-symbol name='device_set_wakeup_capable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x896e4e1a'/>
+      <elf-symbol name='device_set_wakeup_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb621ed7e'/>
+      <elf-symbol name='device_show_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1432605c'/>
+      <elf-symbol name='device_show_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8140241b'/>
+      <elf-symbol name='device_store_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18de307c'/>
+      <elf-symbol name='device_store_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb51ae115'/>
+      <elf-symbol name='device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27cbf779'/>
+      <elf-symbol name='device_wakeup_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x481edb6e'/>
+      <elf-symbol name='device_wakeup_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa501ffba'/>
+      <elf-symbol name='devm_add_action' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2ca6fe5'/>
+      <elf-symbol name='devm_alloc_etherdev_mqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2084eb78'/>
+      <elf-symbol name='devm_backlight_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe353142a'/>
+      <elf-symbol name='devm_backlight_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7081cf21'/>
+      <elf-symbol name='devm_blk_ksm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36e0568'/>
+      <elf-symbol name='devm_clk_bulk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32ab1a8d'/>
+      <elf-symbol name='devm_clk_bulk_get_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc66dd445'/>
+      <elf-symbol name='devm_clk_bulk_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5383cb36'/>
+      <elf-symbol name='devm_clk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa08c4b35'/>
+      <elf-symbol name='devm_clk_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62155570'/>
+      <elf-symbol name='devm_clk_hw_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x925ab247'/>
+      <elf-symbol name='devm_clk_hw_register_clkdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3308da70'/>
+      <elf-symbol name='devm_clk_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb31bdaed'/>
+      <elf-symbol name='devm_clk_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd41fae2e'/>
+      <elf-symbol name='devm_devfreq_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fed9582'/>
+      <elf-symbol name='devm_devfreq_event_add_edev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda49c7cb'/>
+      <elf-symbol name='devm_devfreq_register_opp_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe312315f'/>
+      <elf-symbol name='devm_devfreq_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb30fa7a'/>
+      <elf-symbol name='devm_device_add_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x409f253b'/>
+      <elf-symbol name='devm_device_add_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x545bfbb5'/>
+      <elf-symbol name='devm_device_remove_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd305cf93'/>
+      <elf-symbol name='devm_drm_panel_bridge_add_typed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bce0c0a'/>
+      <elf-symbol name='devm_extcon_dev_allocate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38cf3eaa'/>
+      <elf-symbol name='devm_extcon_dev_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2455c07e'/>
+      <elf-symbol name='devm_extcon_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27867874'/>
+      <elf-symbol name='devm_free_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8bdf7a8'/>
+      <elf-symbol name='devm_fwnode_gpiod_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa44bb04a'/>
+      <elf-symbol name='devm_fwnode_pwm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2a72d2'/>
+      <elf-symbol name='devm_gen_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb675cbed'/>
+      <elf-symbol name='devm_get_clk_from_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54025c32'/>
+      <elf-symbol name='devm_gpio_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bf88931'/>
+      <elf-symbol name='devm_gpio_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcf54a6d'/>
+      <elf-symbol name='devm_gpio_request_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeedcbcc2'/>
+      <elf-symbol name='devm_gpiochip_add_data_with_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5317169'/>
+      <elf-symbol name='devm_gpiod_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x374ba21'/>
+      <elf-symbol name='devm_gpiod_get_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa961490'/>
+      <elf-symbol name='devm_gpiod_get_array_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e4f634d'/>
+      <elf-symbol name='devm_gpiod_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2425e3f2'/>
+      <elf-symbol name='devm_gpiod_get_index_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98ba09a9'/>
+      <elf-symbol name='devm_gpiod_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34bbb535'/>
+      <elf-symbol name='devm_gpiod_put_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf2c705c'/>
+      <elf-symbol name='devm_hwrng_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c8b7b7c'/>
+      <elf-symbol name='devm_hwspin_lock_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1390ebea'/>
+      <elf-symbol name='devm_hwspin_lock_request_specific' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3213e3b'/>
+      <elf-symbol name='devm_i2c_new_dummy_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9dd76c18'/>
+      <elf-symbol name='devm_iio_channel_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x893b6645'/>
+      <elf-symbol name='devm_iio_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75c9a4bc'/>
+      <elf-symbol name='devm_input_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89ba15eb'/>
+      <elf-symbol name='devm_ioremap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3859c031'/>
+      <elf-symbol name='devm_ioremap_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9f79138'/>
+      <elf-symbol name='devm_ioremap_wc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd3aceb7'/>
+      <elf-symbol name='devm_iounmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95b28a25'/>
+      <elf-symbol name='devm_kasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x273671d'/>
+      <elf-symbol name='devm_kfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb249514'/>
+      <elf-symbol name='devm_kmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4415af5a'/>
+      <elf-symbol name='devm_kmemdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f3d3e93'/>
+      <elf-symbol name='devm_krealloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9cbd937'/>
+      <elf-symbol name='devm_kstrdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b0a6bbc'/>
+      <elf-symbol name='devm_kstrdup_const' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba90ef13'/>
+      <elf-symbol name='devm_kvasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x127dba4d'/>
+      <elf-symbol name='devm_led_classdev_register_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d5d6ce7'/>
+      <elf-symbol name='devm_mbox_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75695ff3'/>
+      <elf-symbol name='devm_memremap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c12e52b'/>
+      <elf-symbol name='devm_memunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69a2bfd3'/>
+      <elf-symbol name='devm_mfd_add_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ec55681'/>
+      <elf-symbol name='devm_nvmem_cell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7bdb2d4'/>
+      <elf-symbol name='devm_nvmem_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x198d6fb'/>
+      <elf-symbol name='devm_of_clk_add_hw_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x345afc6'/>
+      <elf-symbol name='devm_of_icc_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x627baa66'/>
+      <elf-symbol name='devm_of_iomap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce692cdd'/>
+      <elf-symbol name='devm_of_phy_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd21c452'/>
+      <elf-symbol name='devm_of_phy_get_by_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3efa16a5'/>
+      <elf-symbol name='devm_of_platform_populate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe92e187e'/>
+      <elf-symbol name='devm_of_pwm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3688e7f'/>
+      <elf-symbol name='devm_pci_alloc_host_bridge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb54e917'/>
+      <elf-symbol name='devm_pci_remap_cfg_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6f26f1a'/>
+      <elf-symbol name='devm_phy_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f7f5e60'/>
+      <elf-symbol name='devm_phy_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd627b470'/>
+      <elf-symbol name='devm_phy_optional_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2c89cd8'/>
+      <elf-symbol name='devm_phy_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4eda1e59'/>
+      <elf-symbol name='devm_pinctrl_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72cae450'/>
+      <elf-symbol name='devm_pinctrl_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6a68389'/>
+      <elf-symbol name='devm_pinctrl_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4e0877'/>
+      <elf-symbol name='devm_pinctrl_register_and_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff0c48e5'/>
+      <elf-symbol name='devm_platform_get_and_ioremap_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x131cc85c'/>
+      <elf-symbol name='devm_platform_ioremap_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9787912a'/>
+      <elf-symbol name='devm_platform_ioremap_resource_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ee1e598'/>
+      <elf-symbol name='devm_power_supply_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20c863f8'/>
+      <elf-symbol name='devm_pwm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe95b6dc7'/>
+      <elf-symbol name='devm_rc_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62fb9dbc'/>
+      <elf-symbol name='devm_rc_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdec65c59'/>
+      <elf-symbol name='devm_regmap_add_irq_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40f79fdc'/>
+      <elf-symbol name='devm_regmap_field_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x432ba0a7'/>
+      <elf-symbol name='devm_regulator_bulk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56be3861'/>
+      <elf-symbol name='devm_regulator_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89382d44'/>
+      <elf-symbol name='devm_regulator_get_exclusive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1ab0f4b'/>
+      <elf-symbol name='devm_regulator_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f9d8ae6'/>
+      <elf-symbol name='devm_regulator_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcde6ba08'/>
+      <elf-symbol name='devm_regulator_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x233627e0'/>
+      <elf-symbol name='devm_remove_action' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb5182dd'/>
+      <elf-symbol name='devm_request_any_context_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef7147cc'/>
+      <elf-symbol name='devm_request_threaded_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12e8a61e'/>
+      <elf-symbol name='devm_reset_control_array_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5218b7d5'/>
+      <elf-symbol name='devm_reset_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4ca1bd9'/>
+      <elf-symbol name='devm_rtc_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd80e61ce'/>
+      <elf-symbol name='devm_rtc_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc4c77df'/>
+      <elf-symbol name='devm_snd_dmaengine_pcm_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa16ebf14'/>
+      <elf-symbol name='devm_snd_soc_register_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39ba94bf'/>
+      <elf-symbol name='devm_snd_soc_register_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x789bd853'/>
+      <elf-symbol name='devm_spi_register_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x897ca071'/>
+      <elf-symbol name='devm_thermal_of_cooling_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97ecfc39'/>
+      <elf-symbol name='devm_thermal_zone_of_sensor_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x152c784c'/>
+      <elf-symbol name='devm_thermal_zone_of_sensor_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x609cf4af'/>
+      <elf-symbol name='devm_usb_get_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73d307f1'/>
+      <elf-symbol name='devm_usb_get_phy_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90c63f91'/>
+      <elf-symbol name='devm_watchdog_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3de5c715'/>
+      <elf-symbol name='devres_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4004a74'/>
+      <elf-symbol name='devres_alloc_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb88d9dbc'/>
+      <elf-symbol name='devres_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe93e49c3'/>
+      <elf-symbol name='devres_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66c86357'/>
+      <elf-symbol name='disable_hardirq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd3fe1e3'/>
+      <elf-symbol name='disable_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ce4ca6f'/>
+      <elf-symbol name='disable_irq_nosync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27bbf221'/>
+      <elf-symbol name='disable_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf21e1f9b'/>
+      <elf-symbol name='disk_end_io_acct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb49b3073'/>
+      <elf-symbol name='disk_start_io_acct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ae9b6b9'/>
+      <elf-symbol name='divider_get_val' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e798ffb'/>
+      <elf-symbol name='divider_recalc_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e2d7c07'/>
+      <elf-symbol name='divider_ro_round_rate_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceb35534'/>
+      <elf-symbol name='divider_round_rate_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1d1abf5'/>
+      <elf-symbol name='dma_alloc_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc78147b8'/>
+      <elf-symbol name='dma_alloc_noncoherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2689216'/>
+      <elf-symbol name='dma_async_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2faf2479'/>
+      <elf-symbol name='dma_async_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67601bd9'/>
+      <elf-symbol name='dma_async_tx_descriptor_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bc435fc'/>
+      <elf-symbol name='dma_buf_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2c32a4d'/>
+      <elf-symbol name='dma_buf_begin_cpu_access' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37ccec18'/>
+      <elf-symbol name='dma_buf_begin_cpu_access_partial' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x881f035d'/>
+      <elf-symbol name='dma_buf_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x986a4b84'/>
+      <elf-symbol name='dma_buf_end_cpu_access' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4f27f59'/>
+      <elf-symbol name='dma_buf_end_cpu_access_partial' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb62807c1'/>
+      <elf-symbol name='dma_buf_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7c9c30f'/>
+      <elf-symbol name='dma_buf_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7986d9e2'/>
+      <elf-symbol name='dma_buf_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1475901'/>
+      <elf-symbol name='dma_buf_get_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac60a5e9'/>
+      <elf-symbol name='dma_buf_map_attachment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x340678d8'/>
+      <elf-symbol name='dma_buf_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x127af056'/>
+      <elf-symbol name='dma_buf_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3405a627'/>
+      <elf-symbol name='dma_buf_unmap_attachment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bb965c3'/>
+      <elf-symbol name='dma_buf_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4f7ab96'/>
+      <elf-symbol name='dma_buf_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x196390c2'/>
+      <elf-symbol name='dma_direct_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2f5b531'/>
+      <elf-symbol name='dma_direct_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x399364d2'/>
+      <elf-symbol name='dma_fence_add_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e21c9a1'/>
+      <elf-symbol name='dma_fence_context_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14605535'/>
+      <elf-symbol name='dma_fence_default_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x350ea558'/>
+      <elf-symbol name='dma_fence_enable_sw_signaling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d9ca0e6'/>
+      <elf-symbol name='dma_fence_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd8166a1'/>
+      <elf-symbol name='dma_fence_get_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e0b1deb'/>
+      <elf-symbol name='dma_fence_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16dee44d'/>
+      <elf-symbol name='dma_fence_match_context' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacaa4c72'/>
+      <elf-symbol name='dma_fence_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe123f3d9'/>
+      <elf-symbol name='dma_fence_remove_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b20fb95'/>
+      <elf-symbol name='dma_fence_signal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x731c4a9c'/>
+      <elf-symbol name='dma_fence_signal_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d02cd70'/>
+      <elf-symbol name='dma_fence_wait_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98c039dc'/>
+      <elf-symbol name='dma_free_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ea5160d'/>
+      <elf-symbol name='dma_free_noncoherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f1c9c34'/>
+      <elf-symbol name='dma_get_merge_boundary' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78fb8a40'/>
+      <elf-symbol name='dma_get_required_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4f4fa01'/>
+      <elf-symbol name='dma_get_sgtable_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbaf1e25f'/>
+      <elf-symbol name='dma_get_slave_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf22d6135'/>
+      <elf-symbol name='dma_get_slave_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x518a0b69'/>
+      <elf-symbol name='dma_heap_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c6d871b'/>
+      <elf-symbol name='dma_heap_buffer_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb774a44c'/>
+      <elf-symbol name='dma_heap_buffer_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93ea035e'/>
+      <elf-symbol name='dma_heap_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeff75c0b'/>
+      <elf-symbol name='dma_heap_get_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20e3ba07'/>
+      <elf-symbol name='dma_heap_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf39b6569'/>
+      <elf-symbol name='dma_heap_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed3a3cb3'/>
+      <elf-symbol name='dma_heap_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67e2f47'/>
+      <elf-symbol name='dma_map_page_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13aa49d3'/>
+      <elf-symbol name='dma_map_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfffc46d'/>
+      <elf-symbol name='dma_map_sg_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11858f6f'/>
+      <elf-symbol name='dma_max_mapping_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x427658d'/>
+      <elf-symbol name='dma_mmap_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x760ce97f'/>
+      <elf-symbol name='dma_pool_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x678b96ec'/>
+      <elf-symbol name='dma_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x198bda89'/>
+      <elf-symbol name='dma_pool_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5aa7165'/>
+      <elf-symbol name='dma_pool_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f7754a8'/>
+      <elf-symbol name='dma_release_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7241ce7'/>
+      <elf-symbol name='dma_request_chan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24b9c211'/>
+      <elf-symbol name='dma_resv_add_excl_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14a72118'/>
+      <elf-symbol name='dma_resv_add_shared_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd8c713e'/>
+      <elf-symbol name='dma_resv_get_fences_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe231b665'/>
+      <elf-symbol name='dma_resv_reserve_shared' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38a9b842'/>
+      <elf-symbol name='dma_resv_test_signaled_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8f9ad23'/>
+      <elf-symbol name='dma_resv_wait_timeout_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb775a1e2'/>
+      <elf-symbol name='dma_set_coherent_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebe948e1'/>
+      <elf-symbol name='dma_set_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x383d8e02'/>
+      <elf-symbol name='dma_sync_sg_for_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x707235b2'/>
+      <elf-symbol name='dma_sync_sg_for_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8802a01a'/>
+      <elf-symbol name='dma_sync_single_for_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7483670'/>
+      <elf-symbol name='dma_sync_single_for_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9680feec'/>
+      <elf-symbol name='dma_unmap_page_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa11d7f37'/>
+      <elf-symbol name='dma_unmap_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2afff8a6'/>
+      <elf-symbol name='dma_unmap_sg_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x110f51e9'/>
+      <elf-symbol name='dmabuf_page_pool_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11ba47c5'/>
+      <elf-symbol name='dmabuf_page_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7ca016b'/>
+      <elf-symbol name='dmabuf_page_pool_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1f4f3d0'/>
+      <elf-symbol name='dmabuf_page_pool_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfce7fba4'/>
+      <elf-symbol name='dmaengine_unmap_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3feee88'/>
+      <elf-symbol name='dmam_alloc_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1032db4'/>
+      <elf-symbol name='dmam_free_coherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46f44631'/>
+      <elf-symbol name='dmam_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25b12b44'/>
+      <elf-symbol name='do_SAK' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64eed330'/>
+      <elf-symbol name='do_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x952664c5'/>
+      <elf-symbol name='do_wait_intr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b2f27fb'/>
+      <elf-symbol name='do_wait_intr_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5102a30b'/>
+      <elf-symbol name='down' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6626afca'/>
+      <elf-symbol name='down_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81b395b3'/>
+      <elf-symbol name='down_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3355da1c'/>
+      <elf-symbol name='down_read_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88f5cdef'/>
+      <elf-symbol name='down_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9682235'/>
+      <elf-symbol name='down_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc7e2596'/>
+      <elf-symbol name='down_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28ed2847'/>
+      <elf-symbol name='down_write_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0e551cc'/>
+      <elf-symbol name='downgrade_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd486fb9c'/>
+      <elf-symbol name='dput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x242a2191'/>
+      <elf-symbol name='dql_completed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa00aca2a'/>
+      <elf-symbol name='dql_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ea25709'/>
+      <elf-symbol name='drain_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa38602cd'/>
+      <elf-symbol name='driver_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x133ee974'/>
+      <elf-symbol name='driver_create_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66c1f0bd'/>
+      <elf-symbol name='driver_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bcac8a9'/>
+      <elf-symbol name='driver_find_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x174b38e4'/>
+      <elf-symbol name='driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d5340e8'/>
+      <elf-symbol name='driver_remove_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x813afa14'/>
+      <elf-symbol name='driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x211b5e9d'/>
+      <elf-symbol name='drm_add_edid_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17d73e9b'/>
+      <elf-symbol name='drm_add_modes_noedid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9cb60f1'/>
+      <elf-symbol name='drm_atomic_add_affected_connectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb6bc54b'/>
+      <elf-symbol name='drm_atomic_add_affected_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a323752'/>
+      <elf-symbol name='drm_atomic_bridge_chain_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4d72636'/>
+      <elf-symbol name='drm_atomic_bridge_chain_post_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20ebacd9'/>
+      <elf-symbol name='drm_atomic_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58b07db8'/>
+      <elf-symbol name='drm_atomic_get_connector_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee2601a'/>
+      <elf-symbol name='drm_atomic_get_crtc_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa0bdd3a'/>
+      <elf-symbol name='drm_atomic_get_new_bridge_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc1062b'/>
+      <elf-symbol name='drm_atomic_get_new_connector_for_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d8789d7'/>
+      <elf-symbol name='drm_atomic_get_old_connector_for_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6aaf6e8b'/>
+      <elf-symbol name='drm_atomic_get_plane_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84063088'/>
+      <elf-symbol name='drm_atomic_get_private_obj_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51ed1af5'/>
+      <elf-symbol name='drm_atomic_helper_bridge_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee0e4e2b'/>
+      <elf-symbol name='drm_atomic_helper_bridge_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5998721'/>
+      <elf-symbol name='drm_atomic_helper_bridge_propagate_bus_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe55f2d85'/>
+      <elf-symbol name='drm_atomic_helper_bridge_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23a1e86e'/>
+      <elf-symbol name='drm_atomic_helper_calc_timestamping_constants' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd00869c'/>
+      <elf-symbol name='drm_atomic_helper_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f5acfaa'/>
+      <elf-symbol name='drm_atomic_helper_check_modeset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26dfd24d'/>
+      <elf-symbol name='drm_atomic_helper_check_plane_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e324985'/>
+      <elf-symbol name='drm_atomic_helper_check_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6054dc9'/>
+      <elf-symbol name='drm_atomic_helper_cleanup_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd72fb45'/>
+      <elf-symbol name='drm_atomic_helper_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf34b161'/>
+      <elf-symbol name='drm_atomic_helper_commit_cleanup_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7440d004'/>
+      <elf-symbol name='drm_atomic_helper_commit_duplicated_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e74e85b'/>
+      <elf-symbol name='drm_atomic_helper_commit_hw_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2792cd29'/>
+      <elf-symbol name='drm_atomic_helper_commit_modeset_disables' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe29fa318'/>
+      <elf-symbol name='drm_atomic_helper_commit_modeset_enables' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30a422a0'/>
+      <elf-symbol name='drm_atomic_helper_commit_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7686741e'/>
+      <elf-symbol name='drm_atomic_helper_commit_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa38eb6fc'/>
+      <elf-symbol name='drm_atomic_helper_connector_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2bc20f0'/>
+      <elf-symbol name='drm_atomic_helper_connector_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa83b59b'/>
+      <elf-symbol name='drm_atomic_helper_connector_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3572923'/>
+      <elf-symbol name='drm_atomic_helper_crtc_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd16fad2'/>
+      <elf-symbol name='drm_atomic_helper_crtc_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeaf30d32'/>
+      <elf-symbol name='drm_atomic_helper_crtc_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b1075eb'/>
+      <elf-symbol name='drm_atomic_helper_damage_merged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc84c47f2'/>
+      <elf-symbol name='drm_atomic_helper_dirtyfb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x751f9b07'/>
+      <elf-symbol name='drm_atomic_helper_disable_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4640c37e'/>
+      <elf-symbol name='drm_atomic_helper_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cf837c'/>
+      <elf-symbol name='drm_atomic_helper_fake_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fff29cd'/>
+      <elf-symbol name='drm_atomic_helper_page_flip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e1ef46'/>
+      <elf-symbol name='drm_atomic_helper_plane_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdea898fa'/>
+      <elf-symbol name='drm_atomic_helper_plane_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19be0248'/>
+      <elf-symbol name='drm_atomic_helper_plane_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba35f045'/>
+      <elf-symbol name='drm_atomic_helper_prepare_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4456f1a7'/>
+      <elf-symbol name='drm_atomic_helper_set_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb4e76b1'/>
+      <elf-symbol name='drm_atomic_helper_setup_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9ec9273'/>
+      <elf-symbol name='drm_atomic_helper_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2595258'/>
+      <elf-symbol name='drm_atomic_helper_swap_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e1d3691'/>
+      <elf-symbol name='drm_atomic_helper_update_legacy_modeset_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e354f0b'/>
+      <elf-symbol name='drm_atomic_helper_update_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88dca210'/>
+      <elf-symbol name='drm_atomic_helper_wait_for_dependencies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3042f182'/>
+      <elf-symbol name='drm_atomic_helper_wait_for_fences' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe958c0e3'/>
+      <elf-symbol name='drm_atomic_helper_wait_for_flip_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefa47c6d'/>
+      <elf-symbol name='drm_atomic_helper_wait_for_vblanks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fe2ba46'/>
+      <elf-symbol name='drm_atomic_nonblocking_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee196522'/>
+      <elf-symbol name='drm_atomic_normalize_zpos' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x195ab8a8'/>
+      <elf-symbol name='drm_atomic_private_obj_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbda90616'/>
+      <elf-symbol name='drm_atomic_private_obj_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6306c6e'/>
+      <elf-symbol name='drm_atomic_set_crtc_for_connector' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb3294b8'/>
+      <elf-symbol name='drm_atomic_set_crtc_for_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95625835'/>
+      <elf-symbol name='drm_atomic_set_fb_for_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73856eaa'/>
+      <elf-symbol name='drm_atomic_set_mode_for_crtc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8a4d03a'/>
+      <elf-symbol name='drm_atomic_set_mode_prop_for_crtc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e765a34'/>
+      <elf-symbol name='drm_atomic_state_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93b6f9bf'/>
+      <elf-symbol name='drm_atomic_state_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58fdcdf1'/>
+      <elf-symbol name='drm_bridge_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98f0b16e'/>
+      <elf-symbol name='drm_bridge_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37086572'/>
+      <elf-symbol name='drm_bridge_chain_mode_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc995227e'/>
+      <elf-symbol name='drm_bridge_connector_enable_hpd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13b8072f'/>
+      <elf-symbol name='drm_bridge_connector_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb029f3d8'/>
+      <elf-symbol name='drm_bridge_detect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bdbed5c'/>
+      <elf-symbol name='drm_bridge_get_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce32cc32'/>
+      <elf-symbol name='drm_bridge_get_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xded3d7fc'/>
+      <elf-symbol name='drm_bridge_hpd_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cad73d6'/>
+      <elf-symbol name='drm_bridge_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x310e4e02'/>
+      <elf-symbol name='drm_bus_flags_from_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad885165'/>
+      <elf-symbol name='drm_compat_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7311cf92'/>
+      <elf-symbol name='drm_connector_attach_content_protection_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2774f31d'/>
+      <elf-symbol name='drm_connector_attach_edid_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8110bde'/>
+      <elf-symbol name='drm_connector_attach_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dbcd773'/>
+      <elf-symbol name='drm_connector_attach_max_bpc_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0e3ba1b'/>
+      <elf-symbol name='drm_connector_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10b6dec1'/>
+      <elf-symbol name='drm_connector_has_possible_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86dd7040'/>
+      <elf-symbol name='drm_connector_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18507db9'/>
+      <elf-symbol name='drm_connector_init_with_ddc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d5c68c4'/>
+      <elf-symbol name='drm_connector_list_iter_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a7b7b1f'/>
+      <elf-symbol name='drm_connector_list_iter_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81cefd24'/>
+      <elf-symbol name='drm_connector_list_iter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad2449ea'/>
+      <elf-symbol name='drm_connector_list_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92ae2599'/>
+      <elf-symbol name='drm_connector_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5077da1c'/>
+      <elf-symbol name='drm_connector_set_panel_orientation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c76db92'/>
+      <elf-symbol name='drm_connector_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b93507b'/>
+      <elf-symbol name='drm_connector_update_edid_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62ff2f2'/>
+      <elf-symbol name='drm_crtc_arm_vblank_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d7a652b'/>
+      <elf-symbol name='drm_crtc_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe0db2f9'/>
+      <elf-symbol name='drm_crtc_enable_color_mgmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ee7f143'/>
+      <elf-symbol name='drm_crtc_from_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd24b82e6'/>
+      <elf-symbol name='drm_crtc_handle_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff05bc2e'/>
+      <elf-symbol name='drm_crtc_init_with_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbee5c714'/>
+      <elf-symbol name='drm_crtc_send_vblank_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x217e63d0'/>
+      <elf-symbol name='drm_crtc_set_max_vblank_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed01d46b'/>
+      <elf-symbol name='drm_crtc_vblank_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2db66df6'/>
+      <elf-symbol name='drm_crtc_vblank_count_and_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec78eec7'/>
+      <elf-symbol name='drm_crtc_vblank_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x801ccaa5'/>
+      <elf-symbol name='drm_crtc_vblank_helper_get_vblank_timestamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1e96c6d'/>
+      <elf-symbol name='drm_crtc_vblank_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20934db'/>
+      <elf-symbol name='drm_crtc_vblank_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb9bc9f9'/>
+      <elf-symbol name='drm_crtc_vblank_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb41b07db'/>
+      <elf-symbol name='drm_crtc_wait_one_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6856f89c'/>
+      <elf-symbol name='drm_cvt_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7442a923'/>
+      <elf-symbol name='drm_debugfs_create_files' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdda573f2'/>
+      <elf-symbol name='drm_default_rgb_quant_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65702bd6'/>
+      <elf-symbol name='drm_detect_hdmi_monitor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8ad5d01'/>
+      <elf-symbol name='drm_detect_monitor_audio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66551bc7'/>
+      <elf-symbol name='drm_dev_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f86f751'/>
+      <elf-symbol name='drm_dev_dbg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3477200b'/>
+      <elf-symbol name='drm_dev_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb0f0f5'/>
+      <elf-symbol name='drm_dev_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8a034df'/>
+      <elf-symbol name='drm_dev_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e1cf5c6'/>
+      <elf-symbol name='drm_dev_has_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa166a025'/>
+      <elf-symbol name='drm_dev_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8be3c83'/>
+      <elf-symbol name='drm_dev_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d989159'/>
+      <elf-symbol name='drm_dev_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47dc0aba'/>
+      <elf-symbol name='drm_dev_set_unique' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfccdbe0d'/>
+      <elf-symbol name='drm_dev_unplug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc18104c4'/>
+      <elf-symbol name='drm_dev_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3132c26'/>
+      <elf-symbol name='drm_display_info_set_bus_formats' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c500e16'/>
+      <elf-symbol name='drm_display_mode_from_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66cf2f64'/>
+      <elf-symbol name='drm_display_mode_to_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe9f72f3'/>
+      <elf-symbol name='drm_do_get_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x355bc047'/>
+      <elf-symbol name='drm_dp_aux_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d8e390e'/>
+      <elf-symbol name='drm_dp_aux_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d2c1644'/>
+      <elf-symbol name='drm_dp_bw_code_to_link_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73011db0'/>
+      <elf-symbol name='drm_dp_channel_eq_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedcf81ce'/>
+      <elf-symbol name='drm_dp_clock_recovery_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d701329'/>
+      <elf-symbol name='drm_dp_dpcd_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb04a92b0'/>
+      <elf-symbol name='drm_dp_dpcd_read_link_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb18d8d9'/>
+      <elf-symbol name='drm_dp_dpcd_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1bf36f8'/>
+      <elf-symbol name='drm_dp_get_adjust_request_pre_emphasis' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x582f248e'/>
+      <elf-symbol name='drm_dp_get_adjust_request_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5c99a79'/>
+      <elf-symbol name='drm_dp_get_edid_quirks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2f5c65b'/>
+      <elf-symbol name='drm_dp_get_phy_test_pattern' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef781848'/>
+      <elf-symbol name='drm_dp_link_rate_to_bw_code' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26815dbc'/>
+      <elf-symbol name='drm_dp_link_train_channel_eq_delay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48b62a57'/>
+      <elf-symbol name='drm_dp_link_train_clock_recovery_delay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6ff9496'/>
+      <elf-symbol name='drm_dp_read_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cbc7a18'/>
+      <elf-symbol name='drm_dp_read_dpcd_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98571843'/>
+      <elf-symbol name='drm_dp_read_sink_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77c98632'/>
+      <elf-symbol name='drm_dp_set_phy_test_pattern' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2269e8f2'/>
+      <elf-symbol name='drm_dp_start_crc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5656f114'/>
+      <elf-symbol name='drm_dp_stop_crc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x955a4bde'/>
+      <elf-symbol name='drm_dsc_pps_payload_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58d8fcaa'/>
+      <elf-symbol name='drm_edid_block_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd13f9985'/>
+      <elf-symbol name='drm_encoder_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc12637df'/>
+      <elf-symbol name='drm_encoder_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b316d2'/>
+      <elf-symbol name='drm_event_cancel_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd02dc06a'/>
+      <elf-symbol name='drm_event_reserve_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11b95bc2'/>
+      <elf-symbol name='drm_event_reserve_init_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1222b99f'/>
+      <elf-symbol name='drm_fb_cma_get_gem_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d49a943'/>
+      <elf-symbol name='drm_flip_work_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd60ff1c2'/>
+      <elf-symbol name='drm_flip_work_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24a2ed2c'/>
+      <elf-symbol name='drm_flip_work_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x737100b1'/>
+      <elf-symbol name='drm_flip_work_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcb59b84'/>
+      <elf-symbol name='drm_format_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf826786c'/>
+      <elf-symbol name='drm_format_info_min_pitch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7f0f027'/>
+      <elf-symbol name='drm_framebuffer_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1de01f01'/>
+      <elf-symbol name='drm_framebuffer_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84c8dd7f'/>
+      <elf-symbol name='drm_gem_cma_dumb_create_internal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e5c7e7b'/>
+      <elf-symbol name='drm_gem_cma_free_object' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf18751a'/>
+      <elf-symbol name='drm_gem_cma_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdca860ef'/>
+      <elf-symbol name='drm_gem_cma_prime_get_sg_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85e1d7eb'/>
+      <elf-symbol name='drm_gem_cma_prime_import_sg_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77096fc'/>
+      <elf-symbol name='drm_gem_cma_prime_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cafa077'/>
+      <elf-symbol name='drm_gem_cma_prime_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d43aa04'/>
+      <elf-symbol name='drm_gem_cma_prime_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee801ebc'/>
+      <elf-symbol name='drm_gem_create_mmap_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28e49d4a'/>
+      <elf-symbol name='drm_gem_dmabuf_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1bf1ab7'/>
+      <elf-symbol name='drm_gem_dmabuf_get_uuid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3697fdb6'/>
+      <elf-symbol name='drm_gem_dmabuf_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9929730a'/>
+      <elf-symbol name='drm_gem_dmabuf_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x446663c8'/>
+      <elf-symbol name='drm_gem_dmabuf_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cb3fd8a'/>
+      <elf-symbol name='drm_gem_dmabuf_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a81e100'/>
+      <elf-symbol name='drm_gem_dumb_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf587ace'/>
+      <elf-symbol name='drm_gem_dumb_map_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10a5a9a8'/>
+      <elf-symbol name='drm_gem_fb_afbc_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x472d54e0'/>
+      <elf-symbol name='drm_gem_fb_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed1881c7'/>
+      <elf-symbol name='drm_gem_fb_create_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37797310'/>
+      <elf-symbol name='drm_gem_fb_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67c34b2c'/>
+      <elf-symbol name='drm_gem_fb_get_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65d7ec4c'/>
+      <elf-symbol name='drm_gem_fb_init_with_funcs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7886bcd'/>
+      <elf-symbol name='drm_gem_fb_prepare_fb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ec8033f'/>
+      <elf-symbol name='drm_gem_free_mmap_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x711731be'/>
+      <elf-symbol name='drm_gem_get_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f1f9b71'/>
+      <elf-symbol name='drm_gem_handle_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x606ab71f'/>
+      <elf-symbol name='drm_gem_handle_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d531103'/>
+      <elf-symbol name='drm_gem_lock_reservations' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1cdfd1e'/>
+      <elf-symbol name='drm_gem_map_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ba0a931'/>
+      <elf-symbol name='drm_gem_map_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x753cad7'/>
+      <elf-symbol name='drm_gem_map_dma_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4099659'/>
+      <elf-symbol name='drm_gem_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1f24ac9'/>
+      <elf-symbol name='drm_gem_mmap_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54fc9d2f'/>
+      <elf-symbol name='drm_gem_object_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd680a377'/>
+      <elf-symbol name='drm_gem_object_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cc5a7a7'/>
+      <elf-symbol name='drm_gem_object_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0c0a68'/>
+      <elf-symbol name='drm_gem_object_put_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc54a506'/>
+      <elf-symbol name='drm_gem_object_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f6848f2'/>
+      <elf-symbol name='drm_gem_prime_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c75bf74'/>
+      <elf-symbol name='drm_gem_prime_fd_to_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8605133'/>
+      <elf-symbol name='drm_gem_prime_handle_to_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cde7f96'/>
+      <elf-symbol name='drm_gem_prime_import' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb23a0c4d'/>
+      <elf-symbol name='drm_gem_prime_import_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1a592a2'/>
+      <elf-symbol name='drm_gem_prime_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9696463a'/>
+      <elf-symbol name='drm_gem_private_object_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda99f67c'/>
+      <elf-symbol name='drm_gem_put_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1eb918cd'/>
+      <elf-symbol name='drm_gem_shmem_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94012aa2'/>
+      <elf-symbol name='drm_gem_shmem_free_object' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8852c74f'/>
+      <elf-symbol name='drm_gem_shmem_get_sg_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x582dd1f4'/>
+      <elf-symbol name='drm_gem_shmem_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbbda85f'/>
+      <elf-symbol name='drm_gem_shmem_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b0580ff'/>
+      <elf-symbol name='drm_gem_shmem_print_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93b83546'/>
+      <elf-symbol name='drm_gem_shmem_unpin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedefa554'/>
+      <elf-symbol name='drm_gem_shmem_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce71fe37'/>
+      <elf-symbol name='drm_gem_shmem_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7f04f52'/>
+      <elf-symbol name='drm_gem_unlock_reservations' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a8b2d22'/>
+      <elf-symbol name='drm_gem_unmap_dma_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf46d0024'/>
+      <elf-symbol name='drm_gem_vm_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5e3ab88'/>
+      <elf-symbol name='drm_gem_vm_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe20ed71e'/>
+      <elf-symbol name='drm_get_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b5dd44e'/>
+      <elf-symbol name='drm_get_format_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe385d645'/>
+      <elf-symbol name='drm_get_format_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e095f11'/>
+      <elf-symbol name='drm_handle_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2298c27d'/>
+      <elf-symbol name='drm_hdcp_update_content_protection' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5514ab4'/>
+      <elf-symbol name='drm_hdmi_avi_infoframe_from_display_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd4c19f0'/>
+      <elf-symbol name='drm_hdmi_avi_infoframe_quant_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb78af308'/>
+      <elf-symbol name='drm_hdmi_infoframe_set_hdr_metadata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8bc5663'/>
+      <elf-symbol name='drm_hdmi_vendor_infoframe_from_display_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c5512be'/>
+      <elf-symbol name='drm_helper_hpd_irq_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x199962cc'/>
+      <elf-symbol name='drm_helper_mode_fill_fb_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8acc3f06'/>
+      <elf-symbol name='drm_helper_probe_single_connector_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71017c38'/>
+      <elf-symbol name='drm_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x682b0688'/>
+      <elf-symbol name='drm_irq_install' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3df0e81'/>
+      <elf-symbol name='drm_irq_uninstall' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x716aabe4'/>
+      <elf-symbol name='drm_kms_helper_hotplug_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb5db555'/>
+      <elf-symbol name='drm_kms_helper_is_poll_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a4734d1'/>
+      <elf-symbol name='drm_kms_helper_poll_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x743d2a6'/>
+      <elf-symbol name='drm_kms_helper_poll_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf53f1d75'/>
+      <elf-symbol name='drm_kms_helper_poll_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bd7e796'/>
+      <elf-symbol name='drm_match_cea_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b285573'/>
+      <elf-symbol name='drm_mm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0517d7a'/>
+      <elf-symbol name='drm_mm_insert_node_in_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4032484'/>
+      <elf-symbol name='drm_mm_print' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7acb66'/>
+      <elf-symbol name='drm_mm_remove_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b7ebf95'/>
+      <elf-symbol name='drm_mm_reserve_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2754dad8'/>
+      <elf-symbol name='drm_mm_takedown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57698a50'/>
+      <elf-symbol name='drm_mode_config_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93a7d7b6'/>
+      <elf-symbol name='drm_mode_config_helper_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6195295'/>
+      <elf-symbol name='drm_mode_config_helper_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x597c8975'/>
+      <elf-symbol name='drm_mode_config_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85fabe9e'/>
+      <elf-symbol name='drm_mode_convert_to_umode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4694508f'/>
+      <elf-symbol name='drm_mode_copy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ce050be'/>
+      <elf-symbol name='drm_mode_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ab72cdb'/>
+      <elf-symbol name='drm_mode_create_hdmi_colorspace_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94e9f7be'/>
+      <elf-symbol name='drm_mode_create_tv_properties' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae26d0d0'/>
+      <elf-symbol name='drm_mode_crtc_set_gamma_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe631e029'/>
+      <elf-symbol name='drm_mode_debug_printmodeline' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ed3c600'/>
+      <elf-symbol name='drm_mode_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7370c24'/>
+      <elf-symbol name='drm_mode_duplicate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43e353b5'/>
+      <elf-symbol name='drm_mode_equal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9b4753'/>
+      <elf-symbol name='drm_mode_equal_no_clocks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ab87110'/>
+      <elf-symbol name='drm_mode_is_420' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5dae06b'/>
+      <elf-symbol name='drm_mode_is_420_also' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5efc6fd0'/>
+      <elf-symbol name='drm_mode_is_420_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x403bd3ea'/>
+      <elf-symbol name='drm_mode_object_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58c9deb5'/>
+      <elf-symbol name='drm_mode_object_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcec26b6c'/>
+      <elf-symbol name='drm_mode_object_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2fe7d05'/>
+      <elf-symbol name='drm_mode_parse_command_line_for_connector' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30fe8a57'/>
+      <elf-symbol name='drm_mode_probed_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5c607a4'/>
+      <elf-symbol name='drm_mode_prune_invalid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc01564f6'/>
+      <elf-symbol name='drm_mode_set_crtcinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4575a0ca'/>
+      <elf-symbol name='drm_mode_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a35d30d'/>
+      <elf-symbol name='drm_mode_sort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1421d13'/>
+      <elf-symbol name='drm_mode_validate_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1933b73'/>
+      <elf-symbol name='drm_mode_validate_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7a9cf42'/>
+      <elf-symbol name='drm_mode_validate_ycbcr420' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c9d7655'/>
+      <elf-symbol name='drm_mode_vrefresh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1b5340a'/>
+      <elf-symbol name='drm_modeset_acquire_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfec37d34'/>
+      <elf-symbol name='drm_modeset_acquire_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79b40336'/>
+      <elf-symbol name='drm_modeset_backoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a9ac99a'/>
+      <elf-symbol name='drm_modeset_drop_locks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88f265d'/>
+      <elf-symbol name='drm_modeset_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87f29ca1'/>
+      <elf-symbol name='drm_modeset_lock_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15245e84'/>
+      <elf-symbol name='drm_modeset_lock_all_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadb40016'/>
+      <elf-symbol name='drm_modeset_lock_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8885de05'/>
+      <elf-symbol name='drm_modeset_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87e18624'/>
+      <elf-symbol name='drm_modeset_unlock_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22ef3cc5'/>
+      <elf-symbol name='drm_object_attach_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd1a2498'/>
+      <elf-symbol name='drm_of_component_match_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9ea4ed9'/>
+      <elf-symbol name='drm_of_crtc_port_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1da04e'/>
+      <elf-symbol name='drm_of_encoder_active_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa6369e'/>
+      <elf-symbol name='drm_of_find_panel_or_bridge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f633c7c'/>
+      <elf-symbol name='drm_of_find_possible_crtcs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbba85b9'/>
+      <elf-symbol name='drm_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbdd30e4'/>
+      <elf-symbol name='drm_panel_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6321717d'/>
+      <elf-symbol name='drm_panel_bridge_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x921e4e46'/>
+      <elf-symbol name='drm_panel_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a8b84e0'/>
+      <elf-symbol name='drm_panel_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcb91c28'/>
+      <elf-symbol name='drm_panel_get_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd374bb09'/>
+      <elf-symbol name='drm_panel_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1d9c2c8'/>
+      <elf-symbol name='drm_panel_of_backlight' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa8a1f1a'/>
+      <elf-symbol name='drm_panel_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed7895b1'/>
+      <elf-symbol name='drm_panel_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeaf8786'/>
+      <elf-symbol name='drm_panel_unprepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae97349d'/>
+      <elf-symbol name='drm_plane_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46b660d9'/>
+      <elf-symbol name='drm_plane_create_alpha_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4344795d'/>
+      <elf-symbol name='drm_plane_create_blend_mode_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b756c6d'/>
+      <elf-symbol name='drm_plane_create_rotation_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d5a0fc3'/>
+      <elf-symbol name='drm_plane_create_zpos_immutable_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x878e3e63'/>
+      <elf-symbol name='drm_plane_create_zpos_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff0e822c'/>
+      <elf-symbol name='drm_plane_enable_fb_damage_clips' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe86180e2'/>
+      <elf-symbol name='drm_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa61c6c31'/>
+      <elf-symbol name='drm_prime_gem_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xace47e64'/>
+      <elf-symbol name='drm_prime_get_contiguous_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd05fda43'/>
+      <elf-symbol name='drm_prime_pages_to_sg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x492b9e5c'/>
+      <elf-symbol name='drm_prime_sg_to_page_addr_arrays' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42a4601d'/>
+      <elf-symbol name='drm_printf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28779e52'/>
+      <elf-symbol name='drm_probe_ddc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10cdd364'/>
+      <elf-symbol name='drm_property_blob_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e09cdcd'/>
+      <elf-symbol name='drm_property_blob_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc637ea45'/>
+      <elf-symbol name='drm_property_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcfe719f'/>
+      <elf-symbol name='drm_property_create_bitmask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37deb427'/>
+      <elf-symbol name='drm_property_create_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3282513b'/>
+      <elf-symbol name='drm_property_create_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b94774f'/>
+      <elf-symbol name='drm_property_create_enum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff24a9a2'/>
+      <elf-symbol name='drm_property_create_object' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x652c11fa'/>
+      <elf-symbol name='drm_property_create_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61c96c3'/>
+      <elf-symbol name='drm_property_create_signed_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcab2c635'/>
+      <elf-symbol name='drm_property_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c09d7de'/>
+      <elf-symbol name='drm_property_lookup_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34fad0cc'/>
+      <elf-symbol name='drm_property_replace_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bb6d83'/>
+      <elf-symbol name='drm_property_replace_global_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde703385'/>
+      <elf-symbol name='drm_puts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x521ad6d0'/>
+      <elf-symbol name='drm_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3dee514'/>
+      <elf-symbol name='drm_rect_calc_hscale' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d50570f'/>
+      <elf-symbol name='drm_rect_calc_vscale' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91fec1cc'/>
+      <elf-symbol name='drm_rect_clip_scaled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99fd20aa'/>
+      <elf-symbol name='drm_rect_intersect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x871ab41a'/>
+      <elf-symbol name='drm_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17656f7a'/>
+      <elf-symbol name='drm_rotation_simplify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf666902'/>
+      <elf-symbol name='drm_scdc_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1a690f4'/>
+      <elf-symbol name='drm_scdc_set_high_tmds_clock_ratio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f548dc2'/>
+      <elf-symbol name='drm_scdc_set_scrambling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c84b29f'/>
+      <elf-symbol name='drm_scdc_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7a3340'/>
+      <elf-symbol name='drm_self_refresh_helper_alter_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1365e924'/>
+      <elf-symbol name='drm_self_refresh_helper_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfea5b606'/>
+      <elf-symbol name='drm_self_refresh_helper_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53daeffb'/>
+      <elf-symbol name='drm_send_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabe2b45b'/>
+      <elf-symbol name='drm_send_event_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe72263b9'/>
+      <elf-symbol name='drm_set_preferred_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4aed4f6'/>
+      <elf-symbol name='drm_simple_encoder_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33296402'/>
+      <elf-symbol name='drm_state_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebc1c2aa'/>
+      <elf-symbol name='drm_syncobj_add_point' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90a4f89d'/>
+      <elf-symbol name='drm_syncobj_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fdbd7d'/>
+      <elf-symbol name='drm_syncobj_find_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7f53d0a'/>
+      <elf-symbol name='drm_syncobj_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a411479'/>
+      <elf-symbol name='drm_syncobj_replace_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xace513f6'/>
+      <elf-symbol name='drm_sysfs_hotplug_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ae76d87'/>
+      <elf-symbol name='drm_universal_plane_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ec397c7'/>
+      <elf-symbol name='drm_vblank_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd0fac9f'/>
+      <elf-symbol name='drm_writeback_connector_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab4d052a'/>
+      <elf-symbol name='drm_writeback_queue_job' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1649e6a8'/>
+      <elf-symbol name='drm_writeback_signal_completion' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53d675dd'/>
+      <elf-symbol name='drmm_kmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x495770d0'/>
+      <elf-symbol name='drmm_mode_config_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc423f01d'/>
+      <elf-symbol name='dst_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16ac277d'/>
+      <elf-symbol name='dump_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62d279ef'/>
+      <elf-symbol name='dump_backtrace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ca0e7f2'/>
+      <elf-symbol name='dump_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x303db056'/>
+      <elf-symbol name='dump_stack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b2dc060'/>
+      <elf-symbol name='dup_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4107884'/>
+      <elf-symbol name='dw_handle_msi_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34e4b27b'/>
+      <elf-symbol name='dw_pcie_ep_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4518c272'/>
+      <elf-symbol name='dw_pcie_ep_raise_msi_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f19b0c1'/>
+      <elf-symbol name='dw_pcie_ep_raise_msix_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e0ccb1a'/>
+      <elf-symbol name='dw_pcie_find_ext_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8acf827e'/>
+      <elf-symbol name='dw_pcie_host_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf81718f'/>
+      <elf-symbol name='dw_pcie_link_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8423315'/>
+      <elf-symbol name='dw_pcie_msi_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd4cb15d'/>
+      <elf-symbol name='dw_pcie_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7791e066'/>
+      <elf-symbol name='dw_pcie_read_dbi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53e3341'/>
+      <elf-symbol name='dw_pcie_setup_rc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa31888b7'/>
+      <elf-symbol name='dw_pcie_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe9a83d5'/>
+      <elf-symbol name='dw_pcie_write_dbi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c2826ec'/>
+      <elf-symbol name='dwc3_send_gadget_ep_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x226d1906'/>
+      <elf-symbol name='dwc3_stop_active_transfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6e892de'/>
+      <elf-symbol name='ehci_init_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc84a3bba'/>
+      <elf-symbol name='ehci_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2def2ca4'/>
+      <elf-symbol name='ehci_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c955d98'/>
+      <elf-symbol name='ehci_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ae49203'/>
+      <elf-symbol name='elevator_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5091d40'/>
+      <elf-symbol name='elv_bio_merge_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9892a29f'/>
+      <elf-symbol name='elv_rb_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x227e4d62'/>
+      <elf-symbol name='elv_rb_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8dfcbca3'/>
+      <elf-symbol name='elv_rb_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebbf67ca'/>
+      <elf-symbol name='elv_rb_former_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7a4e593'/>
+      <elf-symbol name='elv_rb_latter_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d06d352'/>
+      <elf-symbol name='elv_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9edb525'/>
+      <elf-symbol name='elv_rqhash_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2704de9e'/>
+      <elf-symbol name='elv_rqhash_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d900e8f'/>
+      <elf-symbol name='elv_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ed1e3a5'/>
+      <elf-symbol name='em_cpu_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42c9a04'/>
+      <elf-symbol name='emergency_restart' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0c05159'/>
+      <elf-symbol name='enable_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcec0987'/>
+      <elf-symbol name='enable_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x335c570f'/>
+      <elf-symbol name='errno_to_blk_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x612bfd89'/>
+      <elf-symbol name='eth_commit_mac_addr_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf7bccf4'/>
+      <elf-symbol name='eth_header' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3d325d0'/>
+      <elf-symbol name='eth_header_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b89e308'/>
+      <elf-symbol name='eth_mac_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x682945dc'/>
+      <elf-symbol name='eth_platform_get_mac_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40c83481'/>
+      <elf-symbol name='eth_prepare_mac_addr_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3df6fb33'/>
+      <elf-symbol name='eth_type_trans' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfbc6721'/>
+      <elf-symbol name='eth_validate_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dee3db0'/>
+      <elf-symbol name='ether_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ce0d2bc'/>
+      <elf-symbol name='ethtool_convert_legacy_u32_to_link_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f996a30'/>
+      <elf-symbol name='ethtool_convert_link_mode_to_legacy_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55e31703'/>
+      <elf-symbol name='ethtool_op_get_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2bb1c8c'/>
+      <elf-symbol name='ethtool_op_get_ts_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4b9db23'/>
+      <elf-symbol name='ethtool_virtdev_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e8997b8'/>
+      <elf-symbol name='event_triggers_call' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cbf4c43'/>
+      <elf-symbol name='eventfd_ctx_fdget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd67364f7'/>
+      <elf-symbol name='eventfd_ctx_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x941f2aaa'/>
+      <elf-symbol name='eventfd_signal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf0f75c6'/>
+      <elf-symbol name='extcon_get_edev_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5380ba'/>
+      <elf-symbol name='extcon_get_extcon_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4759bb64'/>
+      <elf-symbol name='extcon_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc195e03a'/>
+      <elf-symbol name='extcon_get_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1212faa'/>
+      <elf-symbol name='extcon_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75d762a9'/>
+      <elf-symbol name='extcon_set_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x340c1441'/>
+      <elf-symbol name='extcon_set_property_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4bb1b0f'/>
+      <elf-symbol name='extcon_set_property_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa39515b0'/>
+      <elf-symbol name='extcon_set_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87f977be'/>
+      <elf-symbol name='extcon_set_state_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e914c22'/>
+      <elf-symbol name='extcon_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa7f37f1'/>
+      <elf-symbol name='extcon_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x880e8f8d'/>
+      <elf-symbol name='fasync_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b3c46c3'/>
+      <elf-symbol name='fd_install' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf23e0c3'/>
+      <elf-symbol name='fget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70917d1'/>
+      <elf-symbol name='file_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1c453e'/>
+      <elf-symbol name='file_ra_state_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16b79716'/>
+      <elf-symbol name='filp_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca9ad456'/>
+      <elf-symbol name='filp_open_block' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2305e91'/>
+      <elf-symbol name='find_extend_vma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36e1a2ce'/>
+      <elf-symbol name='find_get_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2db5d0e'/>
+      <elf-symbol name='find_last_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6a68816'/>
+      <elf-symbol name='find_next_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0a3d105'/>
+      <elf-symbol name='find_next_zero_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x479c3c86'/>
+      <elf-symbol name='find_pid_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf77c1711'/>
+      <elf-symbol name='find_task_by_vpid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fa2d006'/>
+      <elf-symbol name='find_vm_area' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc644d902'/>
+      <elf-symbol name='find_vma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17cbf475'/>
+      <elf-symbol name='find_vpid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44e9533d'/>
+      <elf-symbol name='finish_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92540fbf'/>
+      <elf-symbol name='firmware_request_nowarn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d0b73a9'/>
+      <elf-symbol name='flow_block_cb_setup_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc652bfb6'/>
+      <elf-symbol name='flow_rule_match_basic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e8c2d2b'/>
+      <elf-symbol name='flow_rule_match_ipv4_addrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f37e705'/>
+      <elf-symbol name='flow_rule_match_ports' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeefd1052'/>
+      <elf-symbol name='flush_dcache_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6766dabb'/>
+      <elf-symbol name='flush_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1148c0ea'/>
+      <elf-symbol name='flush_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4735ac17'/>
+      <elf-symbol name='flush_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42160169'/>
+      <elf-symbol name='fput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ec9bcf0'/>
+      <elf-symbol name='frame_vector_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65246b8'/>
+      <elf-symbol name='frame_vector_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d5f9555'/>
+      <elf-symbol name='frame_vector_to_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5e5573a'/>
+      <elf-symbol name='free_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe568f91'/>
+      <elf-symbol name='free_io_pgtable_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e5c5bed'/>
+      <elf-symbol name='free_iova_fast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6907c213'/>
+      <elf-symbol name='free_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1514a3b'/>
+      <elf-symbol name='free_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd67e457b'/>
+      <elf-symbol name='free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4302d0eb'/>
+      <elf-symbol name='free_pages_exact' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb44339a'/>
+      <elf-symbol name='free_percpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9ec4e21'/>
+      <elf-symbol name='free_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc6bec66'/>
+      <elf-symbol name='freezing_slow_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf314c99'/>
+      <elf-symbol name='freq_qos_add_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28498a88'/>
+      <elf-symbol name='freq_qos_remove_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x894967be'/>
+      <elf-symbol name='freq_qos_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2eec24ef'/>
+      <elf-symbol name='freq_reg_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6f88b0e'/>
+      <elf-symbol name='fsync_bdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3ee73d8'/>
+      <elf-symbol name='full_name_hash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6eaaea1'/>
+      <elf-symbol name='fwnode_create_software_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf28f9729'/>
+      <elf-symbol name='fwnode_device_is_available' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92edd90c'/>
+      <elf-symbol name='fwnode_find_reference' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fd5c757'/>
+      <elf-symbol name='fwnode_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeea350db'/>
+      <elf-symbol name='fwnode_get_next_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x819cdb40'/>
+      <elf-symbol name='fwnode_get_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa444f00f'/>
+      <elf-symbol name='fwnode_gpiod_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64141bcb'/>
+      <elf-symbol name='fwnode_graph_get_next_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66b1175'/>
+      <elf-symbol name='fwnode_graph_get_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45f86f7d'/>
+      <elf-symbol name='fwnode_graph_get_remote_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1a26686'/>
+      <elf-symbol name='fwnode_graph_get_remote_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e716e9c'/>
+      <elf-symbol name='fwnode_graph_parse_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x730ed28f'/>
+      <elf-symbol name='fwnode_handle_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2b918f7'/>
+      <elf-symbol name='fwnode_handle_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacab02dd'/>
+      <elf-symbol name='fwnode_property_get_reference_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4633a4c4'/>
+      <elf-symbol name='fwnode_property_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94af2016'/>
+      <elf-symbol name='fwnode_property_read_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92c4c8de'/>
+      <elf-symbol name='fwnode_property_read_u32_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadeb3cf0'/>
+      <elf-symbol name='fwnode_property_read_u64_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36e36322'/>
+      <elf-symbol name='g_audio_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb0093af'/>
+      <elf-symbol name='g_audio_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4ceef0e'/>
+      <elf-symbol name='gcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea124bd1'/>
+      <elf-symbol name='gen_pool_add_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbefa51a3'/>
+      <elf-symbol name='gen_pool_alloc_algo_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b593aa8'/>
+      <elf-symbol name='gen_pool_avail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0d3f0a4'/>
+      <elf-symbol name='gen_pool_best_fit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb737b185'/>
+      <elf-symbol name='gen_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xced0f4d4'/>
+      <elf-symbol name='gen_pool_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c224cda'/>
+      <elf-symbol name='gen_pool_dma_alloc_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xada31e57'/>
+      <elf-symbol name='gen_pool_dma_zalloc_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d210724'/>
+      <elf-symbol name='gen_pool_first_fit_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e855e56'/>
+      <elf-symbol name='gen_pool_free_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60ba97c'/>
+      <elf-symbol name='gen_pool_has_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f557414'/>
+      <elf-symbol name='gen_pool_set_algo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96e5d30f'/>
+      <elf-symbol name='gen_pool_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2464da17'/>
+      <elf-symbol name='gen_pool_virt_to_phys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d0ba682'/>
+      <elf-symbol name='generic_delete_inode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf123f317'/>
+      <elf-symbol name='generic_device_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a96c9d8'/>
+      <elf-symbol name='generic_file_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65c1ac2d'/>
+      <elf-symbol name='generic_file_read_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf23a79'/>
+      <elf-symbol name='generic_handle_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ceaf0d5'/>
+      <elf-symbol name='generic_iommu_put_resv_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf5d5723'/>
+      <elf-symbol name='generic_mii_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c84d5c5'/>
+      <elf-symbol name='genl_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x723f86d'/>
+      <elf-symbol name='genl_register_family' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x840ffba8'/>
+      <elf-symbol name='genl_unregister_family' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc4513dc'/>
+      <elf-symbol name='genlmsg_multicast_allns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dcc5f10'/>
+      <elf-symbol name='genlmsg_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8239af0'/>
+      <elf-symbol name='genphy_read_abilities' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14ffa442'/>
+      <elf-symbol name='genphy_read_mmd_unsupported' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9ce7bea'/>
+      <elf-symbol name='genphy_read_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d6dc262'/>
+      <elf-symbol name='genphy_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96137a7d'/>
+      <elf-symbol name='genphy_soft_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec82d699'/>
+      <elf-symbol name='genphy_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91325e51'/>
+      <elf-symbol name='genphy_write_mmd_unsupported' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffd792b5'/>
+      <elf-symbol name='get_cpu_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8750ef8e'/>
+      <elf-symbol name='get_cpu_idle_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fe899b7'/>
+      <elf-symbol name='get_cpu_idle_time_us' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b9793a2'/>
+      <elf-symbol name='get_cpu_iowait_time_us' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1234e483'/>
+      <elf-symbol name='get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf72be1b'/>
+      <elf-symbol name='get_device_system_crosststamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x796af671'/>
+      <elf-symbol name='get_governor_parent_kobj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb18ba6a4'/>
+      <elf-symbol name='get_kernel_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7a4068e'/>
+      <elf-symbol name='get_mm_exe_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39f25dc3'/>
+      <elf-symbol name='get_next_ino' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe953b21f'/>
+      <elf-symbol name='get_pfnblock_flags_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x509054c6'/>
+      <elf-symbol name='get_pid_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30e1078a'/>
+      <elf-symbol name='get_random_bytes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79aa04a2'/>
+      <elf-symbol name='get_random_bytes_arch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d830297'/>
+      <elf-symbol name='get_random_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd36dc10c'/>
+      <elf-symbol name='get_sg_io_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1de4ccb2'/>
+      <elf-symbol name='get_task_cred' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5d5fec1'/>
+      <elf-symbol name='get_task_exe_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b26871a'/>
+      <elf-symbol name='get_task_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa036ba5e'/>
+      <elf-symbol name='get_thermal_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6ab9101'/>
+      <elf-symbol name='get_tree_single' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45b30b3'/>
+      <elf-symbol name='get_unused_fd_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa843805a'/>
+      <elf-symbol name='get_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf43ef02c'/>
+      <elf-symbol name='get_user_pages_fast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc252ae8f'/>
+      <elf-symbol name='get_user_pages_remote' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeabc97ab'/>
+      <elf-symbol name='get_vaddr_frames' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58adb05c'/>
+      <elf-symbol name='get_zeroed_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf09b5d9a'/>
+      <elf-symbol name='gether_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8878cfa6'/>
+      <elf-symbol name='gether_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a90c685'/>
+      <elf-symbol name='gether_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a225b63'/>
+      <elf-symbol name='gether_get_dev_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19a80689'/>
+      <elf-symbol name='gether_get_host_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21851b9d'/>
+      <elf-symbol name='gether_get_host_addr_u8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad3f99ae'/>
+      <elf-symbol name='gether_get_ifname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca938d9c'/>
+      <elf-symbol name='gether_get_qmult' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf926dde2'/>
+      <elf-symbol name='gether_register_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3707132d'/>
+      <elf-symbol name='gether_set_dev_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc151fc8b'/>
+      <elf-symbol name='gether_set_gadget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49029835'/>
+      <elf-symbol name='gether_set_host_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd07ca80'/>
+      <elf-symbol name='gether_set_ifname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3543b8e'/>
+      <elf-symbol name='gether_set_qmult' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe28af949'/>
+      <elf-symbol name='gether_setup_name_default' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab11cba0'/>
+      <elf-symbol name='gf128mul_lle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e13f6f6'/>
+      <elf-symbol name='glob_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5009c71d'/>
+      <elf-symbol name='gov_attr_set_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce047391'/>
+      <elf-symbol name='gov_attr_set_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9030b4ab'/>
+      <elf-symbol name='gov_attr_set_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee369675'/>
+      <elf-symbol name='gov_update_cpu_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5a7c51e'/>
+      <elf-symbol name='gpio_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe990052'/>
+      <elf-symbol name='gpio_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47229b5c'/>
+      <elf-symbol name='gpio_request_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x403f9529'/>
+      <elf-symbol name='gpio_to_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ada63e4'/>
+      <elf-symbol name='gpiochip_add_data_with_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71397870'/>
+      <elf-symbol name='gpiochip_add_pin_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcbb80d'/>
+      <elf-symbol name='gpiochip_generic_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f6ecf9a'/>
+      <elf-symbol name='gpiochip_generic_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe29d2af'/>
+      <elf-symbol name='gpiochip_generic_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca6c4a48'/>
+      <elf-symbol name='gpiochip_get_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a7417c9'/>
+      <elf-symbol name='gpiochip_line_is_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22604009'/>
+      <elf-symbol name='gpiochip_lock_as_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b4c193c'/>
+      <elf-symbol name='gpiochip_populate_parent_fwspec_fourcell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x507050ca'/>
+      <elf-symbol name='gpiochip_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde89b326'/>
+      <elf-symbol name='gpiochip_unlock_as_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1f8ce1b'/>
+      <elf-symbol name='gpiod_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc023d27d'/>
+      <elf-symbol name='gpiod_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef40a088'/>
+      <elf-symbol name='gpiod_direction_input' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4d5b63f'/>
+      <elf-symbol name='gpiod_direction_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60111241'/>
+      <elf-symbol name='gpiod_direction_output_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98b8bba4'/>
+      <elf-symbol name='gpiod_get_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aae4576'/>
+      <elf-symbol name='gpiod_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6cb693'/>
+      <elf-symbol name='gpiod_get_raw_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fb600ed'/>
+      <elf-symbol name='gpiod_get_raw_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f16bf4b'/>
+      <elf-symbol name='gpiod_get_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28897871'/>
+      <elf-symbol name='gpiod_get_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67d86e1d'/>
+      <elf-symbol name='gpiod_is_active_low' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0fe0af7'/>
+      <elf-symbol name='gpiod_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1bb490'/>
+      <elf-symbol name='gpiod_put_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76409842'/>
+      <elf-symbol name='gpiod_set_array_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72fe52a7'/>
+      <elf-symbol name='gpiod_set_consumer_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb340aa0b'/>
+      <elf-symbol name='gpiod_set_debounce' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x315e106f'/>
+      <elf-symbol name='gpiod_set_raw_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x718d701a'/>
+      <elf-symbol name='gpiod_set_raw_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6da7e7c'/>
+      <elf-symbol name='gpiod_set_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4e6a588'/>
+      <elf-symbol name='gpiod_set_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b88f1c8'/>
+      <elf-symbol name='gpiod_to_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81f5709c'/>
+      <elf-symbol name='gserial_alloc_line' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33bfdca2'/>
+      <elf-symbol name='gserial_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8b64c93'/>
+      <elf-symbol name='gserial_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0e5c651'/>
+      <elf-symbol name='guid_gen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c3f70e0'/>
+      <elf-symbol name='handle_bad_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90f64e6f'/>
+      <elf-symbol name='handle_edge_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca36e307'/>
+      <elf-symbol name='handle_fasteoi_ack_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68936f43'/>
+      <elf-symbol name='handle_fasteoi_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd23aa96f'/>
+      <elf-symbol name='handle_level_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdda49dc7'/>
+      <elf-symbol name='handle_nested_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x549525ef'/>
+      <elf-symbol name='handle_simple_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf3eb49d'/>
+      <elf-symbol name='handle_sysrq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7647726c'/>
+      <elf-symbol name='hashlen_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x162893fd'/>
+      <elf-symbol name='have_governor_per_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47aad3b9'/>
+      <elf-symbol name='hci_alloc_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc6b1c43'/>
+      <elf-symbol name='hci_cmd_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca81b649'/>
+      <elf-symbol name='hci_free_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1488b1c3'/>
+      <elf-symbol name='hci_recv_diag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9551fdf'/>
+      <elf-symbol name='hci_recv_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe82e3fac'/>
+      <elf-symbol name='hci_register_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4cc6746'/>
+      <elf-symbol name='hci_unregister_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29c4ba7f'/>
+      <elf-symbol name='hdmi_audio_infoframe_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb14ab1ef'/>
+      <elf-symbol name='hdmi_audio_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29e1e204'/>
+      <elf-symbol name='hdmi_avi_infoframe_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25e58a09'/>
+      <elf-symbol name='hdmi_avi_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x809712ff'/>
+      <elf-symbol name='hdmi_avi_infoframe_pack_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ee4c2b1'/>
+      <elf-symbol name='hdmi_drm_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e286604'/>
+      <elf-symbol name='hdmi_drm_infoframe_pack_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0bd487b'/>
+      <elf-symbol name='hdmi_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x609b2853'/>
+      <elf-symbol name='hdmi_vendor_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x526eef2c'/>
+      <elf-symbol name='hex2bin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2edbeaf7'/>
+      <elf-symbol name='hex_dump_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe916dc6'/>
+      <elf-symbol name='hex_to_bin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11f7ed4c'/>
+      <elf-symbol name='hid_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3415a672'/>
+      <elf-symbol name='hid_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x484a3bb'/>
+      <elf-symbol name='hid_destroy_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a79daad'/>
+      <elf-symbol name='hid_hw_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1511b425'/>
+      <elf-symbol name='hid_hw_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8592fa1'/>
+      <elf-symbol name='hid_hw_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1da9c94b'/>
+      <elf-symbol name='hid_hw_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd007ff6d'/>
+      <elf-symbol name='hid_input_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x838085d4'/>
+      <elf-symbol name='hid_open_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb80de67f'/>
+      <elf-symbol name='hid_parse_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa89586c3'/>
+      <elf-symbol name='hid_report_raw_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9e89ac2'/>
+      <elf-symbol name='hid_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69aecaad'/>
+      <elf-symbol name='hid_validate_values' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72fcd0a4'/>
+      <elf-symbol name='hidraw_report_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfec51395'/>
+      <elf-symbol name='housekeeping_cpumask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee49ad1d'/>
+      <elf-symbol name='hrtimer_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecd991f'/>
+      <elf-symbol name='hrtimer_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc69bd8c'/>
+      <elf-symbol name='hrtimer_forward' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76c41756'/>
+      <elf-symbol name='hrtimer_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ebd5214'/>
+      <elf-symbol name='hrtimer_init_sleeper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0aed4b1'/>
+      <elf-symbol name='hrtimer_sleeper_start_expires' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56cc36d9'/>
+      <elf-symbol name='hrtimer_start_range_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x939fc2ef'/>
+      <elf-symbol name='hrtimer_try_to_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef93df4b'/>
+      <elf-symbol name='hvc_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf479db2c'/>
+      <elf-symbol name='hvc_instantiate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda3c6f74'/>
+      <elf-symbol name='hvc_kick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9833bc0c'/>
+      <elf-symbol name='hvc_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e669355'/>
+      <elf-symbol name='hvc_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd79573d4'/>
+      <elf-symbol name='hwrng_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x617b026c'/>
+      <elf-symbol name='hwrng_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd57fbd31'/>
+      <elf-symbol name='hwspin_lock_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33704139'/>
+      <elf-symbol name='hwspin_lock_request_specific' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacbdea4f'/>
+      <elf-symbol name='i2c_add_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd091217e'/>
+      <elf-symbol name='i2c_add_numbered_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x108a0515'/>
+      <elf-symbol name='i2c_bit_add_numbered_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8309e11a'/>
+      <elf-symbol name='i2c_del_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2665558f'/>
+      <elf-symbol name='i2c_del_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8776945f'/>
+      <elf-symbol name='i2c_for_each_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x852d35f0'/>
+      <elf-symbol name='i2c_generic_scl_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae1756db'/>
+      <elf-symbol name='i2c_get_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe33c9384'/>
+      <elf-symbol name='i2c_get_device_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4416b51'/>
+      <elf-symbol name='i2c_get_dma_safe_msg_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42041512'/>
+      <elf-symbol name='i2c_match_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf978f97d'/>
+      <elf-symbol name='i2c_new_ancillary_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebe0f07'/>
+      <elf-symbol name='i2c_new_client_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5be3a2c9'/>
+      <elf-symbol name='i2c_new_dummy_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc43f942'/>
+      <elf-symbol name='i2c_new_scanned_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb515afd'/>
+      <elf-symbol name='i2c_parse_fw_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cfec83b'/>
+      <elf-symbol name='i2c_put_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9de242f0'/>
+      <elf-symbol name='i2c_put_dma_safe_msg_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dae16e4'/>
+      <elf-symbol name='i2c_recover_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91b0d187'/>
+      <elf-symbol name='i2c_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38b226cf'/>
+      <elf-symbol name='i2c_smbus_read_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b4309fa'/>
+      <elf-symbol name='i2c_smbus_read_byte_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b58a675'/>
+      <elf-symbol name='i2c_smbus_read_i2c_block_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73faeabd'/>
+      <elf-symbol name='i2c_smbus_read_word_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x197a4213'/>
+      <elf-symbol name='i2c_smbus_write_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6734fff1'/>
+      <elf-symbol name='i2c_smbus_write_byte_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82e4895f'/>
+      <elf-symbol name='i2c_smbus_write_i2c_block_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebf1e57b'/>
+      <elf-symbol name='i2c_smbus_write_word_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeafcdb8e'/>
+      <elf-symbol name='i2c_smbus_xfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cccbd54'/>
+      <elf-symbol name='i2c_transfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x432368d4'/>
+      <elf-symbol name='i2c_transfer_buffer_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac6c0315'/>
+      <elf-symbol name='i2c_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49c2f2b'/>
+      <elf-symbol name='i2c_verify_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19dda417'/>
+      <elf-symbol name='i2c_verify_client' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcf484a4'/>
+      <elf-symbol name='icc_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6e3120e'/>
+      <elf-symbol name='icc_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4b56ecb'/>
+      <elf-symbol name='icc_link_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6743c14'/>
+      <elf-symbol name='icc_node_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6abb86d1'/>
+      <elf-symbol name='icc_node_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1f1fbe9'/>
+      <elf-symbol name='icc_nodes_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25b1e655'/>
+      <elf-symbol name='icc_provider_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f9b7149'/>
+      <elf-symbol name='icc_provider_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5991d11'/>
+      <elf-symbol name='icc_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bbe4604'/>
+      <elf-symbol name='icc_set_bw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16f09e8e'/>
+      <elf-symbol name='icc_set_tag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7048b48b'/>
+      <elf-symbol name='icc_std_aggregate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12e2e8b7'/>
+      <elf-symbol name='icc_sync_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x106a5efa'/>
+      <elf-symbol name='ida_alloc_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7a02573'/>
+      <elf-symbol name='ida_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7d5f92e'/>
+      <elf-symbol name='ida_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffb7c514'/>
+      <elf-symbol name='idr_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8f11603'/>
+      <elf-symbol name='idr_alloc_cyclic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91f44510'/>
+      <elf-symbol name='idr_alloc_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12ab31f1'/>
+      <elf-symbol name='idr_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e17b3ae'/>
+      <elf-symbol name='idr_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20978fb9'/>
+      <elf-symbol name='idr_for_each' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d40b6f3'/>
+      <elf-symbol name='idr_get_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc57c48a3'/>
+      <elf-symbol name='idr_preload' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x954f099c'/>
+      <elf-symbol name='idr_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7665a95b'/>
+      <elf-symbol name='idr_replace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b82b9a1'/>
+      <elf-symbol name='ieee80211_alloc_hw_nm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c939dbe'/>
+      <elf-symbol name='ieee80211_amsdu_to_8023s' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x493c31b'/>
+      <elf-symbol name='ieee80211_ap_probereq_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b6c4166'/>
+      <elf-symbol name='ieee80211_beacon_cntdwn_is_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe13a572f'/>
+      <elf-symbol name='ieee80211_beacon_get_template' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8886ebdd'/>
+      <elf-symbol name='ieee80211_beacon_get_tim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x860d81bc'/>
+      <elf-symbol name='ieee80211_beacon_loss' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae563573'/>
+      <elf-symbol name='ieee80211_beacon_update_cntdwn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a494b09'/>
+      <elf-symbol name='ieee80211_bss_get_elem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7f4a43'/>
+      <elf-symbol name='ieee80211_chandef_to_operating_class' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb73aafb1'/>
+      <elf-symbol name='ieee80211_channel_to_freq_khz' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1b99792'/>
+      <elf-symbol name='ieee80211_chswitch_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b294d2b'/>
+      <elf-symbol name='ieee80211_connection_loss' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45e7548a'/>
+      <elf-symbol name='ieee80211_cqm_beacon_loss_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3e7c8c4'/>
+      <elf-symbol name='ieee80211_cqm_rssi_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf22289a'/>
+      <elf-symbol name='ieee80211_csa_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8212dc1c'/>
+      <elf-symbol name='ieee80211_find_sta' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd72f22a'/>
+      <elf-symbol name='ieee80211_find_sta_by_ifaddr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x196ae66e'/>
+      <elf-symbol name='ieee80211_free_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b349f3e'/>
+      <elf-symbol name='ieee80211_free_txskb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffd03b36'/>
+      <elf-symbol name='ieee80211_freq_khz_to_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bedf402'/>
+      <elf-symbol name='ieee80211_get_buffered_bc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecc6645e'/>
+      <elf-symbol name='ieee80211_get_channel_khz' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60edd46d'/>
+      <elf-symbol name='ieee80211_get_hdrlen_from_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe86bcaf1'/>
+      <elf-symbol name='ieee80211_get_tx_rates' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x173f6487'/>
+      <elf-symbol name='ieee80211_hdrlen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ef39823'/>
+      <elf-symbol name='ieee80211_iter_chan_contexts_atomic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e27cdf7'/>
+      <elf-symbol name='ieee80211_iterate_active_interfaces_atomic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf85e2c2b'/>
+      <elf-symbol name='ieee80211_iterate_interfaces' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf69b94b9'/>
+      <elf-symbol name='ieee80211_iterate_stations_atomic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd87ab480'/>
+      <elf-symbol name='ieee80211_manage_rx_ba_offl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fe2d654'/>
+      <elf-symbol name='ieee80211_next_txq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc471e918'/>
+      <elf-symbol name='ieee80211_nullfunc_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d22d864'/>
+      <elf-symbol name='ieee80211_operating_class_to_band' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5dcacef'/>
+      <elf-symbol name='ieee80211_probereq_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ce7cf3c'/>
+      <elf-symbol name='ieee80211_proberesp_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc47e94ba'/>
+      <elf-symbol name='ieee80211_pspoll_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fa607f5'/>
+      <elf-symbol name='ieee80211_queue_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2a6058e'/>
+      <elf-symbol name='ieee80211_queue_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc39e75a'/>
+      <elf-symbol name='ieee80211_radar_detected' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48f53a3e'/>
+      <elf-symbol name='ieee80211_ready_on_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc5511bf'/>
+      <elf-symbol name='ieee80211_register_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x597a278a'/>
+      <elf-symbol name='ieee80211_remain_on_channel_expired' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e4a4962'/>
+      <elf-symbol name='ieee80211_report_low_ack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0112004'/>
+      <elf-symbol name='ieee80211_restart_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c014196'/>
+      <elf-symbol name='ieee80211_rx_irqsafe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ed1fd1'/>
+      <elf-symbol name='ieee80211_rx_napi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2eaf0d43'/>
+      <elf-symbol name='ieee80211_scan_completed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb368f7dd'/>
+      <elf-symbol name='ieee80211_sched_scan_results' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfff08f84'/>
+      <elf-symbol name='ieee80211_sched_scan_stopped' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6a9a41b'/>
+      <elf-symbol name='ieee80211_sta_ps_transition' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8688a755'/>
+      <elf-symbol name='ieee80211_sta_register_airtime' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb73ea975'/>
+      <elf-symbol name='ieee80211_stop_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x188231f2'/>
+      <elf-symbol name='ieee80211_stop_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfff5a8d'/>
+      <elf-symbol name='ieee80211_stop_rx_ba_session' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2460676'/>
+      <elf-symbol name='ieee80211_stop_tx_ba_cb_irqsafe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf780e33'/>
+      <elf-symbol name='ieee80211_tdls_oper_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf38a065'/>
+      <elf-symbol name='ieee80211_tx_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5aef926f'/>
+      <elf-symbol name='ieee80211_tx_prepare_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b7f962a'/>
+      <elf-symbol name='ieee80211_tx_rate_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbeee4711'/>
+      <elf-symbol name='ieee80211_tx_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60a59af7'/>
+      <elf-symbol name='ieee80211_tx_status_irqsafe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc340128a'/>
+      <elf-symbol name='ieee80211_txq_get_depth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7bc98e08'/>
+      <elf-symbol name='ieee80211_txq_may_transmit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14b73ba9'/>
+      <elf-symbol name='ieee80211_txq_schedule_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9b957fe'/>
+      <elf-symbol name='ieee80211_unregister_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf14ebbb'/>
+      <elf-symbol name='ieee80211_wake_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94f2d362'/>
+      <elf-symbol name='ieee80211_wake_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x932fa1f9'/>
+      <elf-symbol name='ieee802154_alloc_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x337d65ec'/>
+      <elf-symbol name='ieee802154_free_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2086c757'/>
+      <elf-symbol name='ieee802154_register_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89be4d2e'/>
+      <elf-symbol name='ieee802154_rx_irqsafe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x944e1421'/>
+      <elf-symbol name='ieee802154_unregister_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab7662f2'/>
+      <elf-symbol name='ieee802154_wake_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a6c5840'/>
+      <elf-symbol name='ieee802154_xmit_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71bce339'/>
+      <elf-symbol name='iio_alloc_pollfunc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x639871ab'/>
+      <elf-symbol name='iio_buffer_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6211cd1c'/>
+      <elf-symbol name='iio_buffer_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdecd5b2f'/>
+      <elf-symbol name='iio_channel_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c2518fd'/>
+      <elf-symbol name='iio_channel_get_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95a958a3'/>
+      <elf-symbol name='iio_channel_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7480240a'/>
+      <elf-symbol name='iio_channel_release_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc7eab27'/>
+      <elf-symbol name='iio_dealloc_pollfunc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0bd3d39'/>
+      <elf-symbol name='iio_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21cead00'/>
+      <elf-symbol name='iio_device_attach_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1512fc0'/>
+      <elf-symbol name='iio_device_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe04e628'/>
+      <elf-symbol name='iio_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe22a758b'/>
+      <elf-symbol name='iio_get_channel_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ecb1a91'/>
+      <elf-symbol name='iio_get_time_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x789d087a'/>
+      <elf-symbol name='iio_push_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58219c40'/>
+      <elf-symbol name='iio_push_to_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec48e963'/>
+      <elf-symbol name='iio_read_channel_processed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x755993bb'/>
+      <elf-symbol name='iio_read_channel_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6036ae9'/>
+      <elf-symbol name='iio_read_const_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb518738'/>
+      <elf-symbol name='iio_trigger_notify_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98d7cd2b'/>
+      <elf-symbol name='iio_update_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2f6058b'/>
+      <elf-symbol name='import_iovec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eadad1c'/>
+      <elf-symbol name='in4_pton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac5fcec0'/>
+      <elf-symbol name='in6_dev_finish_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91b0698'/>
+      <elf-symbol name='in6_pton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x609bcd98'/>
+      <elf-symbol name='in_aton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b6314fd'/>
+      <elf-symbol name='in_egroup_p' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39461d6a'/>
+      <elf-symbol name='inc_zone_page_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d0afab1'/>
+      <elf-symbol name='init_dummy_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84405942'/>
+      <elf-symbol name='init_iova_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2246c08'/>
+      <elf-symbol name='init_pseudo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86d3badf'/>
+      <elf-symbol name='init_srcu_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x910e6db5'/>
+      <elf-symbol name='init_timer_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79cf5987'/>
+      <elf-symbol name='init_wait_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe487975'/>
+      <elf-symbol name='input_alloc_absinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ef39ad4'/>
+      <elf-symbol name='input_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ee6c1f2'/>
+      <elf-symbol name='input_close_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3dca9cf'/>
+      <elf-symbol name='input_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1710aaba'/>
+      <elf-symbol name='input_ff_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c5e90e0'/>
+      <elf-symbol name='input_ff_create_memless' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72ef0f06'/>
+      <elf-symbol name='input_free_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6464b358'/>
+      <elf-symbol name='input_mt_assign_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3cd4146'/>
+      <elf-symbol name='input_mt_destroy_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff97478c'/>
+      <elf-symbol name='input_mt_drop_unused' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0dd4095'/>
+      <elf-symbol name='input_mt_init_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a96842'/>
+      <elf-symbol name='input_mt_report_finger_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd713875e'/>
+      <elf-symbol name='input_mt_report_pointer_emulation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c6ab2e0'/>
+      <elf-symbol name='input_mt_report_slot_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd07d0958'/>
+      <elf-symbol name='input_mt_sync_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce59a2e0'/>
+      <elf-symbol name='input_open_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe208af98'/>
+      <elf-symbol name='input_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf69dd8d9'/>
+      <elf-symbol name='input_register_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99e52efe'/>
+      <elf-symbol name='input_register_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe13b52d8'/>
+      <elf-symbol name='input_set_abs_params' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaff9e63c'/>
+      <elf-symbol name='input_set_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffc387d0'/>
+      <elf-symbol name='input_set_poll_interval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e2cc1aa'/>
+      <elf-symbol name='input_set_timestamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48716b59'/>
+      <elf-symbol name='input_setup_polling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf51e0a9c'/>
+      <elf-symbol name='input_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x139c974e'/>
+      <elf-symbol name='input_unregister_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x615fe332'/>
+      <elf-symbol name='input_unregister_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63a18c2d'/>
+      <elf-symbol name='int_pow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1af267f8'/>
+      <elf-symbol name='int_sqrt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb678366f'/>
+      <elf-symbol name='int_to_scsilun' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ed90adc'/>
+      <elf-symbol name='interval_tree_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdab5a1eb'/>
+      <elf-symbol name='interval_tree_iter_first' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa44a1307'/>
+      <elf-symbol name='interval_tree_iter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd96babb4'/>
+      <elf-symbol name='interval_tree_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b53e14'/>
+      <elf-symbol name='invalidate_mapping_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9678084e'/>
+      <elf-symbol name='io_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93a6e0b2'/>
+      <elf-symbol name='io_schedule_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbc4f89e'/>
+      <elf-symbol name='iommu_alloc_resv_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf40724'/>
+      <elf-symbol name='iommu_attach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd55a52d8'/>
+      <elf-symbol name='iommu_attach_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97d99231'/>
+      <elf-symbol name='iommu_aux_attach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c646195'/>
+      <elf-symbol name='iommu_aux_detach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e0d1471'/>
+      <elf-symbol name='iommu_aux_get_pasid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd06c5058'/>
+      <elf-symbol name='iommu_detach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8164e337'/>
+      <elf-symbol name='iommu_detach_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf09ad9e8'/>
+      <elf-symbol name='iommu_dev_enable_feature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74093be1'/>
+      <elf-symbol name='iommu_dev_feature_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d800926'/>
+      <elf-symbol name='iommu_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9471f8c6'/>
+      <elf-symbol name='iommu_device_sysfs_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d6e35cb'/>
+      <elf-symbol name='iommu_device_sysfs_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff750b05'/>
+      <elf-symbol name='iommu_device_unlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56ef0e32'/>
+      <elf-symbol name='iommu_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x940ec806'/>
+      <elf-symbol name='iommu_dma_enable_best_fit_algo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x784c3db1'/>
+      <elf-symbol name='iommu_dma_get_resv_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x675d61b6'/>
+      <elf-symbol name='iommu_dma_reserve_iova' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13581bae'/>
+      <elf-symbol name='iommu_domain_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13c8dffc'/>
+      <elf-symbol name='iommu_domain_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb095ee41'/>
+      <elf-symbol name='iommu_fwspec_add_ids' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x268d5609'/>
+      <elf-symbol name='iommu_fwspec_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x329c4e7d'/>
+      <elf-symbol name='iommu_get_dma_cookie' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3053353'/>
+      <elf-symbol name='iommu_get_domain_for_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73b3ece3'/>
+      <elf-symbol name='iommu_group_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d22bb58'/>
+      <elf-symbol name='iommu_group_for_each_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87608e6e'/>
+      <elf-symbol name='iommu_group_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcd9243'/>
+      <elf-symbol name='iommu_group_get_iommudata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd55ad93b'/>
+      <elf-symbol name='iommu_group_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89485687'/>
+      <elf-symbol name='iommu_group_ref_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d6d0bbc'/>
+      <elf-symbol name='iommu_group_set_iommudata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc66b77b1'/>
+      <elf-symbol name='iommu_group_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcdd5b99'/>
+      <elf-symbol name='iommu_iova_to_phys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a38131f'/>
+      <elf-symbol name='iommu_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6b8806f'/>
+      <elf-symbol name='iommu_map_sg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31e3f2a1'/>
+      <elf-symbol name='iommu_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc15dfbb6'/>
+      <elf-symbol name='iommu_put_dma_cookie' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4f1b173'/>
+      <elf-symbol name='iommu_register_device_fault_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7025afb3'/>
+      <elf-symbol name='iommu_report_device_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70ec0a89'/>
+      <elf-symbol name='iommu_set_fault_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eec7bef'/>
+      <elf-symbol name='iommu_unmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94b1afdd'/>
+      <elf-symbol name='iommu_unregister_device_fault_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45f21128'/>
+      <elf-symbol name='iounmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedc03953'/>
+      <elf-symbol name='iov_iter_bvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1387f39c'/>
+      <elf-symbol name='iov_iter_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9c67ce5'/>
+      <elf-symbol name='iov_iter_kvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdeaf00a'/>
+      <elf-symbol name='ip_compute_csum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20eadeb6'/>
+      <elf-symbol name='ip_send_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2124474'/>
+      <elf-symbol name='iput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c433868'/>
+      <elf-symbol name='irq_chip_ack_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38d0fb3c'/>
+      <elf-symbol name='irq_chip_disable_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ca662bf'/>
+      <elf-symbol name='irq_chip_enable_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae7cdfd'/>
+      <elf-symbol name='irq_chip_eoi_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b6b1c73'/>
+      <elf-symbol name='irq_chip_get_parent_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3e67c22'/>
+      <elf-symbol name='irq_chip_mask_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5764647a'/>
+      <elf-symbol name='irq_chip_retrigger_hierarchy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafe0d72a'/>
+      <elf-symbol name='irq_chip_set_affinity_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e0f3153'/>
+      <elf-symbol name='irq_chip_set_parent_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75ca8cb2'/>
+      <elf-symbol name='irq_chip_set_type_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ec984d7'/>
+      <elf-symbol name='irq_chip_set_vcpu_affinity_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42853d0a'/>
+      <elf-symbol name='irq_chip_set_wake_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd755950'/>
+      <elf-symbol name='irq_chip_unmask_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebe86681'/>
+      <elf-symbol name='irq_create_mapping_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecaf5694'/>
+      <elf-symbol name='irq_create_of_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde1826ee'/>
+      <elf-symbol name='irq_dispose_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c7db649'/>
+      <elf-symbol name='irq_domain_alloc_irqs_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd67de87'/>
+      <elf-symbol name='irq_domain_create_hierarchy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37cbbe89'/>
+      <elf-symbol name='irq_domain_free_irqs_common' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a390fa'/>
+      <elf-symbol name='irq_domain_get_irq_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85731ed3'/>
+      <elf-symbol name='irq_domain_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43001514'/>
+      <elf-symbol name='irq_domain_set_hwirq_and_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8d7c9bf'/>
+      <elf-symbol name='irq_domain_set_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82444a35'/>
+      <elf-symbol name='irq_domain_update_bus_token' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7681f48'/>
+      <elf-symbol name='irq_domain_xlate_onecell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc47e3f99'/>
+      <elf-symbol name='irq_domain_xlate_onetwocell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf46dcb02'/>
+      <elf-symbol name='irq_domain_xlate_twocell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a26cf30'/>
+      <elf-symbol name='irq_find_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fe737a5'/>
+      <elf-symbol name='irq_find_matching_fwspec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7899bfa1'/>
+      <elf-symbol name='irq_gc_ack_set_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45c5315f'/>
+      <elf-symbol name='irq_gc_mask_clr_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf62bd6cc'/>
+      <elf-symbol name='irq_gc_mask_set_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18adcc41'/>
+      <elf-symbol name='irq_gc_set_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22ea18ed'/>
+      <elf-symbol name='irq_get_domain_generic_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca468bd4'/>
+      <elf-symbol name='irq_get_irq_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7d3ce5f'/>
+      <elf-symbol name='irq_get_irqchip_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d222ced'/>
+      <elf-symbol name='irq_modify_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7522f3ba'/>
+      <elf-symbol name='irq_of_parse_and_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x834ddc3b'/>
+      <elf-symbol name='irq_set_affinity_hint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a7b4b03'/>
+      <elf-symbol name='irq_set_chained_handler_and_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb57eaeed'/>
+      <elf-symbol name='irq_set_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61a59105'/>
+      <elf-symbol name='irq_set_chip_and_handler_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9a36655'/>
+      <elf-symbol name='irq_set_chip_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20a789ac'/>
+      <elf-symbol name='irq_set_irq_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc477a2'/>
+      <elf-symbol name='irq_set_irq_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce2840e7'/>
+      <elf-symbol name='irq_set_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc6596fa'/>
+      <elf-symbol name='irq_to_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74fdd831'/>
+      <elf-symbol name='irq_work_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd36ebd12'/>
+      <elf-symbol name='irq_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf361a95b'/>
+      <elf-symbol name='is_console_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x944a564d'/>
+      <elf-symbol name='is_dma_buf_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x772249da'/>
+      <elf-symbol name='is_vmalloc_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc31db0ce'/>
+      <elf-symbol name='iterate_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7d5ab90'/>
+      <elf-symbol name='iw_handler_get_spy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98d97cdc'/>
+      <elf-symbol name='iw_handler_get_thrspy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fae1930'/>
+      <elf-symbol name='iw_handler_set_spy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cc4bbc0'/>
+      <elf-symbol name='iw_handler_set_thrspy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d2f6e60'/>
+      <elf-symbol name='iwe_stream_add_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4cba441d'/>
+      <elf-symbol name='iwe_stream_add_point' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8249512'/>
+      <elf-symbol name='iwe_stream_add_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc41bc980'/>
+      <elf-symbol name='jiffies64_to_msecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92ec510d'/>
+      <elf-symbol name='jiffies_to_msecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37befc70'/>
+      <elf-symbol name='jiffies_to_usecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f24de73'/>
+      <elf-symbol name='kasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb384d37'/>
+      <elf-symbol name='kern_mount' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e2e337a'/>
+      <elf-symbol name='kern_unmount' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x229611df'/>
+      <elf-symbol name='kernel_bind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5325e0d'/>
+      <elf-symbol name='kernel_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf48c16e9'/>
+      <elf-symbol name='kernel_getsockname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x696a2240'/>
+      <elf-symbol name='kernel_neon_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fd180e7'/>
+      <elf-symbol name='kernel_neon_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8a8110c'/>
+      <elf-symbol name='kernel_recvmsg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x474a443c'/>
+      <elf-symbol name='kernel_restart' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e7bbcb3'/>
+      <elf-symbol name='kernel_sendmsg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x542df20d'/>
+      <elf-symbol name='kernel_sigaction' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6df1aaf1'/>
+      <elf-symbol name='kernel_sock_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87c39f0f'/>
+      <elf-symbol name='kernfs_find_and_get_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8caf7dde'/>
+      <elf-symbol name='kernfs_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f970e5a'/>
+      <elf-symbol name='kernfs_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56297844'/>
+      <elf-symbol name='kfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37a0cba'/>
+      <elf-symbol name='kfree_const' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf474fdcb'/>
+      <elf-symbol name='kfree_sensitive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0760fc0'/>
+      <elf-symbol name='kfree_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaeea9aa0'/>
+      <elf-symbol name='kfree_skb_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11bb9d4d'/>
+      <elf-symbol name='kick_all_cpus_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6e1a69d'/>
+      <elf-symbol name='kill_anon_super' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d6ae2dd'/>
+      <elf-symbol name='kill_fasync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97576c28'/>
+      <elf-symbol name='kill_litter_super' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dbdee6e'/>
+      <elf-symbol name='kill_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3edf372'/>
+      <elf-symbol name='kiocb_set_cancel_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a9d74cb'/>
+      <elf-symbol name='kmalloc_order' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbe80fdb'/>
+      <elf-symbol name='kmalloc_order_trace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8b9f817'/>
+      <elf-symbol name='kmem_cache_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ae9a546'/>
+      <elf-symbol name='kmem_cache_alloc_trace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x666e9a43'/>
+      <elf-symbol name='kmem_cache_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85248174'/>
+      <elf-symbol name='kmem_cache_create_usercopy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabfe41b6'/>
+      <elf-symbol name='kmem_cache_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c512d56'/>
+      <elf-symbol name='kmem_cache_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f408b45'/>
+      <elf-symbol name='kmemdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66b4cc41'/>
+      <elf-symbol name='kmemdup_nul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3f548ad'/>
+      <elf-symbol name='kobject_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3fa22fb'/>
+      <elf-symbol name='kobject_create_and_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68165118'/>
+      <elf-symbol name='kobject_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c02219d'/>
+      <elf-symbol name='kobject_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8137bf53'/>
+      <elf-symbol name='kobject_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x564c727a'/>
+      <elf-symbol name='kobject_init_and_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1422541'/>
+      <elf-symbol name='kobject_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6dacf42'/>
+      <elf-symbol name='kobject_rename' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc809f8d'/>
+      <elf-symbol name='kobject_uevent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32f43548'/>
+      <elf-symbol name='kobject_uevent_env' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b944281'/>
+      <elf-symbol name='krealloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1e12d81'/>
+      <elf-symbol name='ksize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ea5d10'/>
+      <elf-symbol name='kstrdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d39b0a7'/>
+      <elf-symbol name='kstrdup_const' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x365e7911'/>
+      <elf-symbol name='kstrdup_quotable_cmdline' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebb76f97'/>
+      <elf-symbol name='kstrndup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eacf8a5'/>
+      <elf-symbol name='kstrtobool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0875eb1'/>
+      <elf-symbol name='kstrtobool_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda9fc7ae'/>
+      <elf-symbol name='kstrtoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2276db98'/>
+      <elf-symbol name='kstrtoint_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23c9891c'/>
+      <elf-symbol name='kstrtol_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x461ac773'/>
+      <elf-symbol name='kstrtoll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x779a18af'/>
+      <elf-symbol name='kstrtos16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69493b1a'/>
+      <elf-symbol name='kstrtos8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcbdf60f'/>
+      <elf-symbol name='kstrtou16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b0192da'/>
+      <elf-symbol name='kstrtou8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46045dd7'/>
+      <elf-symbol name='kstrtou8_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1179daa'/>
+      <elf-symbol name='kstrtouint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69ad2f20'/>
+      <elf-symbol name='kstrtouint_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcb926cd'/>
+      <elf-symbol name='kstrtoul_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a6af65c'/>
+      <elf-symbol name='kstrtoull' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c80c06c'/>
+      <elf-symbol name='kstrtoull_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54245b39'/>
+      <elf-symbol name='kthread_bind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa049430b'/>
+      <elf-symbol name='kthread_bind_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa20d951b'/>
+      <elf-symbol name='kthread_blkcg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ecbb521'/>
+      <elf-symbol name='kthread_cancel_delayed_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ce600c0'/>
+      <elf-symbol name='kthread_cancel_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb33b38e'/>
+      <elf-symbol name='kthread_create_on_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e7480ee'/>
+      <elf-symbol name='kthread_create_on_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46dab91d'/>
+      <elf-symbol name='kthread_create_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6db92f4'/>
+      <elf-symbol name='kthread_delayed_work_timer_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1b48cc6'/>
+      <elf-symbol name='kthread_destroy_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecee9688'/>
+      <elf-symbol name='kthread_flush_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5170c8b0'/>
+      <elf-symbol name='kthread_flush_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1e00cf8'/>
+      <elf-symbol name='kthread_freezable_should_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca7d8764'/>
+      <elf-symbol name='kthread_mod_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc7df190'/>
+      <elf-symbol name='kthread_park' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a5dfe48'/>
+      <elf-symbol name='kthread_parkme' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf95322f4'/>
+      <elf-symbol name='kthread_queue_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8e29f6d'/>
+      <elf-symbol name='kthread_queue_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb39fdd2f'/>
+      <elf-symbol name='kthread_should_park' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79defbe1'/>
+      <elf-symbol name='kthread_should_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3f7646e'/>
+      <elf-symbol name='kthread_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c78dedd'/>
+      <elf-symbol name='kthread_unpark' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4c7c35'/>
+      <elf-symbol name='kthread_unuse_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44dd5714'/>
+      <elf-symbol name='kthread_use_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6dab3d9'/>
+      <elf-symbol name='kthread_worker_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x955b0e2e'/>
+      <elf-symbol name='ktime_add_safe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3952887'/>
+      <elf-symbol name='ktime_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb43f9365'/>
+      <elf-symbol name='ktime_get_mono_fast_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ebe366f'/>
+      <elf-symbol name='ktime_get_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9714e0bb'/>
+      <elf-symbol name='ktime_get_raw_ts64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1edb69d6'/>
+      <elf-symbol name='ktime_get_real_seconds' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x953e1b9e'/>
+      <elf-symbol name='ktime_get_real_ts64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ec6ca96'/>
+      <elf-symbol name='ktime_get_snapshot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4cb27100'/>
+      <elf-symbol name='ktime_get_ts64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e515be6'/>
+      <elf-symbol name='ktime_get_with_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4f0da12'/>
+      <elf-symbol name='kvasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x587b0954'/>
+      <elf-symbol name='kvfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7aa1756e'/>
+      <elf-symbol name='kvfree_call_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbaf22757'/>
+      <elf-symbol name='kvm_arch_ptp_get_crosststamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd66ce5f2'/>
+      <elf-symbol name='kvm_arm_hyp_service_available' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x220ce70c'/>
+      <elf-symbol name='kvmalloc_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x599fb41c'/>
+      <elf-symbol name='led_classdev_flash_register_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c9f8baf'/>
+      <elf-symbol name='led_classdev_flash_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9866a04'/>
+      <elf-symbol name='led_classdev_register_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d76d9e6'/>
+      <elf-symbol name='led_classdev_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacbd634a'/>
+      <elf-symbol name='led_set_brightness_nosleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8aefffc'/>
+      <elf-symbol name='led_trigger_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b0e4fc9'/>
+      <elf-symbol name='led_trigger_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32a1cd1d'/>
+      <elf-symbol name='list_sort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe091c977'/>
+      <elf-symbol name='llist_add_batch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7a1840e'/>
+      <elf-symbol name='lock_sock_nested' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29a8e150'/>
+      <elf-symbol name='log_abnormal_wakeup_reason' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d20fc95'/>
+      <elf-symbol name='log_threaded_irq_wakeup_reason' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34e5628d'/>
+      <elf-symbol name='lru_cache_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x308165ec'/>
+      <elf-symbol name='lru_cache_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x702663ed'/>
+      <elf-symbol name='lzo1x_1_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x787c882b'/>
+      <elf-symbol name='lzo1x_decompress_safe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4df8fbc'/>
+      <elf-symbol name='lzorle1x_1_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79f697e4'/>
+      <elf-symbol name='mac_pton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x652032cb'/>
+      <elf-symbol name='map_kernel_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0ff0036'/>
+      <elf-symbol name='match_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81188c30'/>
+      <elf-symbol name='mbox_chan_received_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17a9c084'/>
+      <elf-symbol name='mbox_chan_txdone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46aa49db'/>
+      <elf-symbol name='mbox_client_txdone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe59bc19b'/>
+      <elf-symbol name='mbox_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd95168ed'/>
+      <elf-symbol name='mbox_controller_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5517807e'/>
+      <elf-symbol name='mbox_free_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1ee4bf8'/>
+      <elf-symbol name='mbox_request_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f04c755'/>
+      <elf-symbol name='mbox_request_channel_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbebb1f55'/>
+      <elf-symbol name='mbox_send_message' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3f1029b'/>
+      <elf-symbol name='mdiobus_alloc_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7637f5bd'/>
+      <elf-symbol name='mdiobus_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8e46976'/>
+      <elf-symbol name='mdiobus_get_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x790cb385'/>
+      <elf-symbol name='mdiobus_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55b9dd5e'/>
+      <elf-symbol name='mdiobus_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe759c3f0'/>
+      <elf-symbol name='mdiobus_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b95d2a1'/>
+      <elf-symbol name='media_create_intf_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd1a5680'/>
+      <elf-symbol name='media_create_pad_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d3c439e'/>
+      <elf-symbol name='media_create_pad_links' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x230ab77c'/>
+      <elf-symbol name='media_device_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1105a333'/>
+      <elf-symbol name='media_device_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x188c5d1d'/>
+      <elf-symbol name='media_device_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20c3ce64'/>
+      <elf-symbol name='media_device_register_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x478af862'/>
+      <elf-symbol name='media_device_register_entity_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x223848bd'/>
+      <elf-symbol name='media_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6afa7da6'/>
+      <elf-symbol name='media_device_unregister_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95afb24a'/>
+      <elf-symbol name='media_device_unregister_entity_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6b5f8e5'/>
+      <elf-symbol name='media_device_usb_allocate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21b40c3d'/>
+      <elf-symbol name='media_devnode_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41fb029a'/>
+      <elf-symbol name='media_devnode_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60541531'/>
+      <elf-symbol name='media_entity_pads_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfde0eeb'/>
+      <elf-symbol name='media_entity_remote_pad' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef805700'/>
+      <elf-symbol name='media_entity_setup_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5e14996'/>
+      <elf-symbol name='media_get_pad_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69d2a5a'/>
+      <elf-symbol name='media_graph_walk_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25cb866c'/>
+      <elf-symbol name='media_graph_walk_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaac24dfc'/>
+      <elf-symbol name='media_graph_walk_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f7ddc25'/>
+      <elf-symbol name='media_graph_walk_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19a9ce46'/>
+      <elf-symbol name='media_pipeline_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaffea7a3'/>
+      <elf-symbol name='media_pipeline_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2aac6ea9'/>
+      <elf-symbol name='memblock_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f0ec720'/>
+      <elf-symbol name='memchr' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xa07a37f0'/>
+      <elf-symbol name='memchr_inv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8df92f66'/>
+      <elf-symbol name='memcmp' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x449ad0a7'/>
+      <elf-symbol name='memcpy' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x4829a47e'/>
+      <elf-symbol name='memdup_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9291cd3b'/>
+      <elf-symbol name='memdup_user_nul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d07e365'/>
+      <elf-symbol name='memmove' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x5a9f1d63'/>
+      <elf-symbol name='memory_read_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65e0d6d7'/>
+      <elf-symbol name='memparse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27864d57'/>
+      <elf-symbol name='mempool_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3762aec'/>
+      <elf-symbol name='mempool_alloc_slab' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc972449f'/>
+      <elf-symbol name='mempool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1953c958'/>
+      <elf-symbol name='mempool_create_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c122bcf'/>
+      <elf-symbol name='mempool_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9034a696'/>
+      <elf-symbol name='mempool_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa897e3e7'/>
+      <elf-symbol name='mempool_free_slab' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a99a016'/>
+      <elf-symbol name='mempool_kfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a037cf1'/>
+      <elf-symbol name='mempool_kmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd35a6d31'/>
+      <elf-symbol name='memremap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d924f20'/>
+      <elf-symbol name='memset' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xdcb764ad'/>
+      <elf-symbol name='memset64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed8a2d95'/>
+      <elf-symbol name='memunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e9fdd9d'/>
+      <elf-symbol name='mfd_add_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb16acd3'/>
+      <elf-symbol name='mfd_remove_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d08078a'/>
+      <elf-symbol name='mii_check_media' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4bc3755'/>
+      <elf-symbol name='mii_ethtool_get_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f230eb6'/>
+      <elf-symbol name='mii_ethtool_gset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0ed1187'/>
+      <elf-symbol name='mii_ethtool_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf3f43ef'/>
+      <elf-symbol name='mii_link_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa44f3269'/>
+      <elf-symbol name='mii_nway_restart' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf71e8cfb'/>
+      <elf-symbol name='mipi_dsi_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x789d3d8e'/>
+      <elf-symbol name='mipi_dsi_compression_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c2117e6'/>
+      <elf-symbol name='mipi_dsi_create_packet' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81ce66fa'/>
+      <elf-symbol name='mipi_dsi_dcs_get_display_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xced1c098'/>
+      <elf-symbol name='mipi_dsi_dcs_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd6764d3'/>
+      <elf-symbol name='mipi_dsi_dcs_set_column_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3324f732'/>
+      <elf-symbol name='mipi_dsi_dcs_set_display_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2baf438'/>
+      <elf-symbol name='mipi_dsi_dcs_set_page_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaffa803d'/>
+      <elf-symbol name='mipi_dsi_dcs_write_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc547d5a8'/>
+      <elf-symbol name='mipi_dsi_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c678951'/>
+      <elf-symbol name='mipi_dsi_device_register_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdeb24ea4'/>
+      <elf-symbol name='mipi_dsi_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9da7a51a'/>
+      <elf-symbol name='mipi_dsi_driver_register_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ca66e99'/>
+      <elf-symbol name='mipi_dsi_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69d2aae'/>
+      <elf-symbol name='mipi_dsi_generic_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ce01968'/>
+      <elf-symbol name='mipi_dsi_host_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31ff9459'/>
+      <elf-symbol name='mipi_dsi_host_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5439e36c'/>
+      <elf-symbol name='mipi_dsi_packet_format_is_long' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadbeed61'/>
+      <elf-symbol name='mipi_dsi_packet_format_is_short' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x238b099f'/>
+      <elf-symbol name='mipi_dsi_picture_parameter_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e8bfa35'/>
+      <elf-symbol name='misc_deregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x752c9cd6'/>
+      <elf-symbol name='misc_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x535cecd5'/>
+      <elf-symbol name='mktime64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb2f8a4'/>
+      <elf-symbol name='mm_trace_rss_stat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x819a7294'/>
+      <elf-symbol name='mmc_add_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb18845e5'/>
+      <elf-symbol name='mmc_alloc_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ec2f24b'/>
+      <elf-symbol name='mmc_app_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf358d61b'/>
+      <elf-symbol name='mmc_calc_max_discard' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dd804a4'/>
+      <elf-symbol name='mmc_can_erase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4309731'/>
+      <elf-symbol name='mmc_can_gpio_cd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfff5b14a'/>
+      <elf-symbol name='mmc_can_secure_erase_trim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed44d19'/>
+      <elf-symbol name='mmc_can_trim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd085a109'/>
+      <elf-symbol name='mmc_cmdq_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1744e2c6'/>
+      <elf-symbol name='mmc_cmdq_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8dd7f62'/>
+      <elf-symbol name='mmc_cqe_post_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34d6317e'/>
+      <elf-symbol name='mmc_cqe_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x560032ea'/>
+      <elf-symbol name='mmc_cqe_request_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a718eb2'/>
+      <elf-symbol name='mmc_cqe_start_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf36e4a8'/>
+      <elf-symbol name='mmc_crypto_prepare_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b87d079'/>
+      <elf-symbol name='mmc_crypto_setup_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4d31ed3'/>
+      <elf-symbol name='mmc_detect_card_removed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fa295b2'/>
+      <elf-symbol name='mmc_detect_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x892e1a4c'/>
+      <elf-symbol name='mmc_erase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd7db823'/>
+      <elf-symbol name='mmc_erase_group_aligned' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9be088ab'/>
+      <elf-symbol name='mmc_flush_cache' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83e22296'/>
+      <elf-symbol name='mmc_free_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6af6e669'/>
+      <elf-symbol name='mmc_get_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31414ae6'/>
+      <elf-symbol name='mmc_get_ext_csd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0bbf3dc'/>
+      <elf-symbol name='mmc_gpio_get_cd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d8edf58'/>
+      <elf-symbol name='mmc_gpio_get_ro' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e814b0b'/>
+      <elf-symbol name='mmc_gpiod_request_cd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7e5e40d'/>
+      <elf-symbol name='mmc_gpiod_request_cd_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5238a262'/>
+      <elf-symbol name='mmc_gpiod_request_ro' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77646e45'/>
+      <elf-symbol name='mmc_hw_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d8c74e0'/>
+      <elf-symbol name='mmc_of_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97adda7'/>
+      <elf-symbol name='mmc_of_parse_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbee73ebd'/>
+      <elf-symbol name='mmc_put_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb693a0c'/>
+      <elf-symbol name='mmc_pwrseq_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23b31c59'/>
+      <elf-symbol name='mmc_pwrseq_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f9577d'/>
+      <elf-symbol name='mmc_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38db2ffb'/>
+      <elf-symbol name='mmc_regulator_get_supply' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe505b456'/>
+      <elf-symbol name='mmc_regulator_set_ocr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3249d05'/>
+      <elf-symbol name='mmc_regulator_set_vqmmc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x808fa645'/>
+      <elf-symbol name='mmc_release_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63991529'/>
+      <elf-symbol name='mmc_remove_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e275a5e'/>
+      <elf-symbol name='mmc_request_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x251c7384'/>
+      <elf-symbol name='mmc_retune_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8076eb93'/>
+      <elf-symbol name='mmc_retune_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7b2392a'/>
+      <elf-symbol name='mmc_retune_unpause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x213f7b13'/>
+      <elf-symbol name='mmc_run_bkops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff4d2fda'/>
+      <elf-symbol name='mmc_sanitize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb2f2a75'/>
+      <elf-symbol name='mmc_send_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1848c253'/>
+      <elf-symbol name='mmc_send_tuning' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8239fa2d'/>
+      <elf-symbol name='mmc_set_data_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda388a28'/>
+      <elf-symbol name='mmc_start_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe65f1da8'/>
+      <elf-symbol name='mmc_sw_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfca02f3'/>
+      <elf-symbol name='mmc_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6deb6944'/>
+      <elf-symbol name='mmc_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5133287'/>
+      <elf-symbol name='mmc_wait_for_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75799775'/>
+      <elf-symbol name='mmc_wait_for_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x611906fe'/>
+      <elf-symbol name='mmput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f2ab7fc'/>
+      <elf-symbol name='mod_delayed_work_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4f47221'/>
+      <elf-symbol name='mod_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72cd0f7f'/>
+      <elf-symbol name='module_layout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6584ccbd'/>
+      <elf-symbol name='module_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25cb6f1b'/>
+      <elf-symbol name='msleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9a482f9'/>
+      <elf-symbol name='msleep_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc5005fe'/>
+      <elf-symbol name='mutex_is_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d6dd0aa'/>
+      <elf-symbol name='mutex_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb9065d9'/>
+      <elf-symbol name='mutex_lock_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4124677'/>
+      <elf-symbol name='mutex_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78c7940d'/>
+      <elf-symbol name='mutex_trylock_recursive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40ce057b'/>
+      <elf-symbol name='mutex_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8b268ae'/>
+      <elf-symbol name='name_to_dev_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc10fddb8'/>
+      <elf-symbol name='napi_complete_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe085a34d'/>
+      <elf-symbol name='napi_consume_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x245ccc3'/>
+      <elf-symbol name='napi_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c9eb39f'/>
+      <elf-symbol name='napi_gro_flush' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa505f514'/>
+      <elf-symbol name='napi_gro_receive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc345d74d'/>
+      <elf-symbol name='napi_schedule_prep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20ee099c'/>
+      <elf-symbol name='net_ratelimit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6ebc03b'/>
+      <elf-symbol name='netdev_alert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa06cff8'/>
+      <elf-symbol name='netdev_alloc_frag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fe912f1'/>
+      <elf-symbol name='netdev_change_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb2a378b'/>
+      <elf-symbol name='netdev_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd92185a6'/>
+      <elf-symbol name='netdev_increment_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69668826'/>
+      <elf-symbol name='netdev_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58f07722'/>
+      <elf-symbol name='netdev_lower_state_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce24671e'/>
+      <elf-symbol name='netdev_master_upper_dev_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x52dad657'/>
+      <elf-symbol name='netdev_notify_peers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd85e0f3f'/>
+      <elf-symbol name='netdev_pick_tx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92d6b22f'/>
+      <elf-symbol name='netdev_rss_key_fill' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x467df16d'/>
+      <elf-symbol name='netdev_rx_handler_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6870e92'/>
+      <elf-symbol name='netdev_rx_handler_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfed4facf'/>
+      <elf-symbol name='netdev_set_default_ethtool_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfa4251d'/>
+      <elf-symbol name='netdev_state_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe461c7ca'/>
+      <elf-symbol name='netdev_update_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf48be857'/>
+      <elf-symbol name='netdev_upper_dev_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43df099b'/>
+      <elf-symbol name='netdev_upper_dev_unlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf085a7'/>
+      <elf-symbol name='netdev_warn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48042c4b'/>
+      <elf-symbol name='netif_carrier_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x228bfd5e'/>
+      <elf-symbol name='netif_carrier_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x335b16d'/>
+      <elf-symbol name='netif_device_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x297da19'/>
+      <elf-symbol name='netif_device_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x253c2051'/>
+      <elf-symbol name='netif_napi_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3097e8b2'/>
+      <elf-symbol name='netif_receive_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c883843'/>
+      <elf-symbol name='netif_receive_skb_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b8bf149'/>
+      <elf-symbol name='netif_rx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dbab0df'/>
+      <elf-symbol name='netif_rx_ni' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e249534'/>
+      <elf-symbol name='netif_schedule_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6189adbb'/>
+      <elf-symbol name='netif_set_real_num_rx_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fa42d70'/>
+      <elf-symbol name='netif_set_real_num_tx_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66da4c3a'/>
+      <elf-symbol name='netif_set_xps_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe81ee0c4'/>
+      <elf-symbol name='netif_stacked_transfer_operstate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3666c558'/>
+      <elf-symbol name='netif_tx_stop_all_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d516d93'/>
+      <elf-symbol name='netif_tx_wake_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x278ceafe'/>
+      <elf-symbol name='netlink_broadcast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c9f8020'/>
+      <elf-symbol name='netlink_has_listeners' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61bef9d7'/>
+      <elf-symbol name='netlink_kernel_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa6f430d'/>
+      <elf-symbol name='netlink_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa599bb2'/>
+      <elf-symbol name='netlink_unicast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8945931'/>
+      <elf-symbol name='netlink_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf54a8f7'/>
+      <elf-symbol name='new_inode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafdce37a'/>
+      <elf-symbol name='nf_conntrack_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a18c74'/>
+      <elf-symbol name='nf_register_net_hooks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb54ee7dc'/>
+      <elf-symbol name='nf_unregister_net_hooks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf251a8e'/>
+      <elf-symbol name='nla_append' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb1703fe'/>
+      <elf-symbol name='nla_memcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1db1704'/>
+      <elf-symbol name='nla_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf65aa3a'/>
+      <elf-symbol name='nla_put_64bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x269a7faf'/>
+      <elf-symbol name='nla_put_nohdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f78276'/>
+      <elf-symbol name='nla_reserve' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96c6101e'/>
+      <elf-symbol name='nla_strlcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b640864'/>
+      <elf-symbol name='no_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9005c3a0'/>
+      <elf-symbol name='no_seek_end_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x753b0257'/>
+      <elf-symbol name='nonseekable_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd5f092c'/>
+      <elf-symbol name='noop_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7e753b7'/>
+      <elf-symbol name='ns_capable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3adccc5'/>
+      <elf-symbol name='ns_capable_noaudit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x682e9157'/>
+      <elf-symbol name='ns_to_kernel_old_timeval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b853d06'/>
+      <elf-symbol name='ns_to_timespec64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e1e140e'/>
+      <elf-symbol name='nsec_to_clock_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0d036a6'/>
+      <elf-symbol name='nsecs_to_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffae8e8b'/>
+      <elf-symbol name='nvdimm_bus_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe2e545d'/>
+      <elf-symbol name='nvdimm_bus_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10eb1223'/>
+      <elf-symbol name='nvdimm_pmem_region_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1cfec'/>
+      <elf-symbol name='nvhe_hyp_panic_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93eb9cae'/>
+      <elf-symbol name='nvmem_cell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8779bc7d'/>
+      <elf-symbol name='nvmem_cell_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85540ebc'/>
+      <elf-symbol name='nvmem_cell_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99f018c4'/>
+      <elf-symbol name='nvmem_device_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8349a895'/>
+      <elf-symbol name='nvmem_device_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc697b0f7'/>
+      <elf-symbol name='nvmem_device_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3866e217'/>
+      <elf-symbol name='of_add_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c78b38d'/>
+      <elf-symbol name='of_address_to_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba447ae6'/>
+      <elf-symbol name='of_alias_get_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad53113a'/>
+      <elf-symbol name='of_clk_add_hw_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe3a2dd9'/>
+      <elf-symbol name='of_clk_add_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cec679b'/>
+      <elf-symbol name='of_clk_del_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd35bb493'/>
+      <elf-symbol name='of_clk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23ea0559'/>
+      <elf-symbol name='of_clk_get_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaaf3b41e'/>
+      <elf-symbol name='of_clk_get_parent_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x885a7612'/>
+      <elf-symbol name='of_clk_get_parent_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3def793'/>
+      <elf-symbol name='of_clk_hw_onecell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe088ec13'/>
+      <elf-symbol name='of_clk_hw_simple_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eccc9cb'/>
+      <elf-symbol name='of_clk_parent_fill' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc3da0f7'/>
+      <elf-symbol name='of_clk_set_defaults' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2981f1d6'/>
+      <elf-symbol name='of_clk_src_onecell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4983f58e'/>
+      <elf-symbol name='of_clk_src_simple_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60eb61b5'/>
+      <elf-symbol name='of_count_phandle_with_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a4cc6c3'/>
+      <elf-symbol name='of_cpu_node_to_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab4e508e'/>
+      <elf-symbol name='of_devfreq_cooling_register_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5eb582b'/>
+      <elf-symbol name='of_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ec633a7'/>
+      <elf-symbol name='of_device_get_match_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x828144ca'/>
+      <elf-symbol name='of_device_is_available' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf37d2f43'/>
+      <elf-symbol name='of_device_is_big_endian' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0b85fc9'/>
+      <elf-symbol name='of_device_is_compatible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4003d5dd'/>
+      <elf-symbol name='of_device_modalias' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7fb0e66'/>
+      <elf-symbol name='of_device_request_module' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e0245e4'/>
+      <elf-symbol name='of_device_uevent_modalias' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a238e60'/>
+      <elf-symbol name='of_dma_configure_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc33bdb46'/>
+      <elf-symbol name='of_dma_controller_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca9f2803'/>
+      <elf-symbol name='of_dma_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3729242d'/>
+      <elf-symbol name='of_dma_is_coherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x719fce23'/>
+      <elf-symbol name='of_drm_find_bridge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3574ff5a'/>
+      <elf-symbol name='of_drm_find_panel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45e431aa'/>
+      <elf-symbol name='of_drm_get_panel_orientation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe65b3ae9'/>
+      <elf-symbol name='of_find_backlight_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x642f5d34'/>
+      <elf-symbol name='of_find_compatible_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ae5d0a3'/>
+      <elf-symbol name='of_find_device_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccf101c9'/>
+      <elf-symbol name='of_find_i2c_adapter_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbfa679c'/>
+      <elf-symbol name='of_find_i2c_device_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc57e5fd'/>
+      <elf-symbol name='of_find_matching_node_and_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb414eca'/>
+      <elf-symbol name='of_find_mipi_dsi_host_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d7755e8'/>
+      <elf-symbol name='of_find_node_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedc65622'/>
+      <elf-symbol name='of_find_node_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7cd606e'/>
+      <elf-symbol name='of_find_node_by_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ea957db'/>
+      <elf-symbol name='of_find_node_opts_by_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18fa47b9'/>
+      <elf-symbol name='of_find_node_with_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1a39539'/>
+      <elf-symbol name='of_find_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57049820'/>
+      <elf-symbol name='of_genpd_add_provider_onecell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x389cc6c3'/>
+      <elf-symbol name='of_genpd_add_provider_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2179df33'/>
+      <elf-symbol name='of_genpd_del_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfff850bd'/>
+      <elf-symbol name='of_get_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde4c6d5e'/>
+      <elf-symbol name='of_get_child_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb450dc2'/>
+      <elf-symbol name='of_get_compatible_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9680228e'/>
+      <elf-symbol name='of_get_cpu_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab2db3cf'/>
+      <elf-symbol name='of_get_display_timing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42c92007'/>
+      <elf-symbol name='of_get_display_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e9413bb'/>
+      <elf-symbol name='of_get_dma_window' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e1558f1'/>
+      <elf-symbol name='of_get_drm_display_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1da20bae'/>
+      <elf-symbol name='of_get_i2c_adapter_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd293df35'/>
+      <elf-symbol name='of_get_mac_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21a5d774'/>
+      <elf-symbol name='of_get_named_gpio_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6259b46c'/>
+      <elf-symbol name='of_get_next_available_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63284d53'/>
+      <elf-symbol name='of_get_next_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4413259'/>
+      <elf-symbol name='of_get_next_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb01edd0'/>
+      <elf-symbol name='of_get_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaac63be1'/>
+      <elf-symbol name='of_get_phy_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcee9e3fd'/>
+      <elf-symbol name='of_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe04c6135'/>
+      <elf-symbol name='of_get_regulator_init_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f5ca32c'/>
+      <elf-symbol name='of_get_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44351b66'/>
+      <elf-symbol name='of_graph_get_endpoint_by_regs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc3c83c6'/>
+      <elf-symbol name='of_graph_get_next_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x907c53cb'/>
+      <elf-symbol name='of_graph_get_port_by_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6005a952'/>
+      <elf-symbol name='of_graph_get_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd26c3673'/>
+      <elf-symbol name='of_graph_get_remote_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49304a36'/>
+      <elf-symbol name='of_graph_get_remote_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc52d0024'/>
+      <elf-symbol name='of_graph_get_remote_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3819f92'/>
+      <elf-symbol name='of_graph_get_remote_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdfb1168'/>
+      <elf-symbol name='of_graph_is_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe54a8eba'/>
+      <elf-symbol name='of_graph_parse_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22479157'/>
+      <elf-symbol name='of_hwspin_lock_get_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ae29f64'/>
+      <elf-symbol name='of_icc_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2567f7c9'/>
+      <elf-symbol name='of_icc_xlate_onecell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb66814d6'/>
+      <elf-symbol name='of_iomap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa15b8b2'/>
+      <elf-symbol name='of_irq_find_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x481bc310'/>
+      <elf-symbol name='of_irq_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x823f2a2b'/>
+      <elf-symbol name='of_irq_get_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb5cb2f3'/>
+      <elf-symbol name='of_irq_parse_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf19111a9'/>
+      <elf-symbol name='of_machine_is_compatible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd31ccb06'/>
+      <elf-symbol name='of_match_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa54bf13f'/>
+      <elf-symbol name='of_match_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c02cac8'/>
+      <elf-symbol name='of_mdiobus_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc571a176'/>
+      <elf-symbol name='of_n_addr_cells' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe497d085'/>
+      <elf-symbol name='of_n_size_cells' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64086790'/>
+      <elf-symbol name='of_node_name_eq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5941d7'/>
+      <elf-symbol name='of_nvmem_cell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30f0782'/>
+      <elf-symbol name='of_nvmem_device_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4ce185d'/>
+      <elf-symbol name='of_parse_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9283b4a'/>
+      <elf-symbol name='of_parse_phandle_with_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99a2d743'/>
+      <elf-symbol name='of_parse_phandle_with_fixed_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4bb94dd'/>
+      <elf-symbol name='of_pci_get_max_link_speed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8fed869'/>
+      <elf-symbol name='of_phandle_iterator_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8a83148'/>
+      <elf-symbol name='of_phandle_iterator_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2539803'/>
+      <elf-symbol name='of_phy_is_fixed_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6268c2d3'/>
+      <elf-symbol name='of_phy_simple_xlate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafdc1b20'/>
+      <elf-symbol name='of_pinctrl_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8278e3f2'/>
+      <elf-symbol name='of_platform_depopulate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc316b93d'/>
+      <elf-symbol name='of_platform_device_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77146211'/>
+      <elf-symbol name='of_platform_device_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6555a7b4'/>
+      <elf-symbol name='of_platform_populate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe342539a'/>
+      <elf-symbol name='of_prop_next_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25b4df6d'/>
+      <elf-symbol name='of_prop_next_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd53681c8'/>
+      <elf-symbol name='of_property_count_elems_of_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcefff7c2'/>
+      <elf-symbol name='of_property_match_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdaf28a14'/>
+      <elf-symbol name='of_property_read_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7937b9c'/>
+      <elf-symbol name='of_property_read_string_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc102b13'/>
+      <elf-symbol name='of_property_read_u32_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x308f7271'/>
+      <elf-symbol name='of_property_read_u64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x846bec7e'/>
+      <elf-symbol name='of_property_read_u64_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe750dbd5'/>
+      <elf-symbol name='of_property_read_variable_u16_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca98dc06'/>
+      <elf-symbol name='of_property_read_variable_u32_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x364e8e3d'/>
+      <elf-symbol name='of_property_read_variable_u64_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc70fc439'/>
+      <elf-symbol name='of_property_read_variable_u8_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6731048a'/>
+      <elf-symbol name='of_pwm_xlate_with_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb71fe103'/>
+      <elf-symbol name='of_regulator_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a657c08'/>
+      <elf-symbol name='of_reserved_mem_device_init_by_idx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49c41ba8'/>
+      <elf-symbol name='of_reserved_mem_device_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70e9e591'/>
+      <elf-symbol name='of_reserved_mem_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd75d629'/>
+      <elf-symbol name='of_thermal_get_ntrips' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e5b464d'/>
+      <elf-symbol name='of_thermal_get_trip_points' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57867109'/>
+      <elf-symbol name='of_thermal_is_trip_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5af3607c'/>
+      <elf-symbol name='of_translate_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d119a13'/>
+      <elf-symbol name='of_usb_get_dr_mode_by_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7eed348b'/>
+      <elf-symbol name='of_usb_host_tpl_support' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae6b0382'/>
+      <elf-symbol name='open_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4af7edc'/>
+      <elf-symbol name='out_of_line_wait_on_bit_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4071b517'/>
+      <elf-symbol name='page_endio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbae40e1e'/>
+      <elf-symbol name='page_frag_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc306c3a8'/>
+      <elf-symbol name='page_frag_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88e1d0f0'/>
+      <elf-symbol name='page_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e3d06c3'/>
+      <elf-symbol name='page_pool_alloc_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe547ab1'/>
+      <elf-symbol name='page_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bd711c'/>
+      <elf-symbol name='page_pool_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86907abc'/>
+      <elf-symbol name='page_pool_put_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1347e872'/>
+      <elf-symbol name='page_pool_release_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ecfb3f5'/>
+      <elf-symbol name='panic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1e046cc'/>
+      <elf-symbol name='param_get_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3881f80f'/>
+      <elf-symbol name='param_get_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa81b7e85'/>
+      <elf-symbol name='param_get_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fefb480'/>
+      <elf-symbol name='param_get_uint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf67c958f'/>
+      <elf-symbol name='param_set_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b1dd350'/>
+      <elf-symbol name='param_set_copystring' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c914908'/>
+      <elf-symbol name='param_set_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2c184e1'/>
+      <elf-symbol name='param_set_uint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb320144'/>
+      <elf-symbol name='passthru_features_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fbf967c'/>
+      <elf-symbol name='pause_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1f3509f'/>
+      <elf-symbol name='pci_alloc_irq_vectors_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f2b7a5d'/>
+      <elf-symbol name='pci_assign_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c88cd5d'/>
+      <elf-symbol name='pci_choose_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6edd20a1'/>
+      <elf-symbol name='pci_clear_master' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f824a03'/>
+      <elf-symbol name='pci_clear_mwi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47adc46b'/>
+      <elf-symbol name='pci_dev_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d34cfc6'/>
+      <elf-symbol name='pci_device_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb00d8b0'/>
+      <elf-symbol name='pci_device_is_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbce438ef'/>
+      <elf-symbol name='pci_disable_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb993ad5e'/>
+      <elf-symbol name='pci_disable_link_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fad6a95'/>
+      <elf-symbol name='pci_disable_msi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5e2a0ac'/>
+      <elf-symbol name='pci_disable_msix' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9f89e76'/>
+      <elf-symbol name='pci_disable_pcie_error_reporting' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd64b032a'/>
+      <elf-symbol name='pci_disable_sriov' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eee4cef'/>
+      <elf-symbol name='pci_enable_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x630749c1'/>
+      <elf-symbol name='pci_enable_device_mem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4999a6f'/>
+      <elf-symbol name='pci_enable_msi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd2819a'/>
+      <elf-symbol name='pci_enable_msix_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cb7639a'/>
+      <elf-symbol name='pci_enable_pcie_error_reporting' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x494bffd1'/>
+      <elf-symbol name='pci_enable_sriov' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa3c73a9'/>
+      <elf-symbol name='pci_enable_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67f2e525'/>
+      <elf-symbol name='pci_find_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x924b0896'/>
+      <elf-symbol name='pci_find_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x381f1558'/>
+      <elf-symbol name='pci_find_ext_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fd46263'/>
+      <elf-symbol name='pci_find_next_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83134977'/>
+      <elf-symbol name='pci_free_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36141e7c'/>
+      <elf-symbol name='pci_free_irq_vectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22b49e3f'/>
+      <elf-symbol name='pci_get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6d2a8e9'/>
+      <elf-symbol name='pci_get_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c86309a'/>
+      <elf-symbol name='pci_host_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2923978'/>
+      <elf-symbol name='pci_intx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0d425b5'/>
+      <elf-symbol name='pci_iomap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d733d99'/>
+      <elf-symbol name='pci_iomap_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0875e0'/>
+      <elf-symbol name='pci_ioremap_bar' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2a7e3ea'/>
+      <elf-symbol name='pci_irq_get_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc008f3c'/>
+      <elf-symbol name='pci_irq_vector' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48b2f94b'/>
+      <elf-symbol name='pci_load_and_free_saved_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd55e5156'/>
+      <elf-symbol name='pci_load_saved_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x908f6d21'/>
+      <elf-symbol name='pci_match_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9dbde894'/>
+      <elf-symbol name='pci_msi_mask_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x105ec96c'/>
+      <elf-symbol name='pci_msi_unmask_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac370b0d'/>
+      <elf-symbol name='pci_read_config_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28d72203'/>
+      <elf-symbol name='pci_read_config_dword' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44814d12'/>
+      <elf-symbol name='pci_read_config_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0a824f6'/>
+      <elf-symbol name='pci_release_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33bb46a1'/>
+      <elf-symbol name='pci_release_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb05c4618'/>
+      <elf-symbol name='pci_release_selected_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5897afed'/>
+      <elf-symbol name='pci_remove_root_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9966139'/>
+      <elf-symbol name='pci_request_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e37178f'/>
+      <elf-symbol name='pci_request_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6623505e'/>
+      <elf-symbol name='pci_request_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6156e345'/>
+      <elf-symbol name='pci_request_selected_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a06919c'/>
+      <elf-symbol name='pci_rescan_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x240797b0'/>
+      <elf-symbol name='pci_reset_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79aa0aaa'/>
+      <elf-symbol name='pci_restore_msi_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eff5531'/>
+      <elf-symbol name='pci_restore_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x266476bf'/>
+      <elf-symbol name='pci_save_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb823884c'/>
+      <elf-symbol name='pci_select_bars' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a05dff5'/>
+      <elf-symbol name='pci_set_master' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf7c497c'/>
+      <elf-symbol name='pci_set_mwi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50eafe66'/>
+      <elf-symbol name='pci_set_power_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86922480'/>
+      <elf-symbol name='pci_sriov_configure_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8d2b896'/>
+      <elf-symbol name='pci_stop_root_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d455d12'/>
+      <elf-symbol name='pci_store_saved_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf685e5af'/>
+      <elf-symbol name='pci_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ef6846b'/>
+      <elf-symbol name='pci_vfs_assigned' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x190892b1'/>
+      <elf-symbol name='pci_wake_from_d3' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d967b63'/>
+      <elf-symbol name='pci_write_config_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56147e1c'/>
+      <elf-symbol name='pci_write_config_dword' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ec6d294'/>
+      <elf-symbol name='pci_write_config_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa982a57a'/>
+      <elf-symbol name='pcibios_resource_to_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c3aa6cf'/>
+      <elf-symbol name='pcie_aspm_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73b08533'/>
+      <elf-symbol name='pcie_capability_clear_and_set_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d32ffb0'/>
+      <elf-symbol name='pcie_capability_read_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x569973f7'/>
+      <elf-symbol name='pcie_capability_write_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25ddec09'/>
+      <elf-symbol name='perf_aux_output_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67bcaa0d'/>
+      <elf-symbol name='perf_aux_output_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcee5a88c'/>
+      <elf-symbol name='perf_aux_output_flag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe08c88bb'/>
+      <elf-symbol name='perf_event_addr_filters_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf4bbacc'/>
+      <elf-symbol name='perf_event_create_kernel_counter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3ca7586'/>
+      <elf-symbol name='perf_event_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x52e2b05d'/>
+      <elf-symbol name='perf_event_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12148514'/>
+      <elf-symbol name='perf_event_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2b37e9c'/>
+      <elf-symbol name='perf_event_read_local' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa13af5a'/>
+      <elf-symbol name='perf_event_read_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe346cdff'/>
+      <elf-symbol name='perf_event_release_kernel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43c1ebf6'/>
+      <elf-symbol name='perf_event_update_userpage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc80ddc60'/>
+      <elf-symbol name='perf_get_aux' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0429bc3'/>
+      <elf-symbol name='perf_pmu_migrate_context' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf86556f1'/>
+      <elf-symbol name='perf_pmu_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48c9dee4'/>
+      <elf-symbol name='perf_pmu_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8da3b53c'/>
+      <elf-symbol name='perf_trace_buf_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb8a6e1b'/>
+      <elf-symbol name='perf_trace_run_bpf_submit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea3c2620'/>
+      <elf-symbol name='pfn_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51e77c97'/>
+      <elf-symbol name='phy_attached_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51a0b401'/>
+      <elf-symbol name='phy_calibrate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcec0d37'/>
+      <elf-symbol name='phy_configure' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x859f8c93'/>
+      <elf-symbol name='phy_connect_direct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5998df6'/>
+      <elf-symbol name='phy_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d692f70'/>
+      <elf-symbol name='phy_drivers_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe6048f'/>
+      <elf-symbol name='phy_drivers_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b6cf081'/>
+      <elf-symbol name='phy_ethtool_get_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4641d430'/>
+      <elf-symbol name='phy_ethtool_nway_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59095fd7'/>
+      <elf-symbol name='phy_ethtool_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc880d76f'/>
+      <elf-symbol name='phy_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x618dbdc6'/>
+      <elf-symbol name='phy_find_first' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ce7e853'/>
+      <elf-symbol name='phy_get_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14a4f6e2'/>
+      <elf-symbol name='phy_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4af58f03'/>
+      <elf-symbol name='phy_init_eee' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4afe6357'/>
+      <elf-symbol name='phy_init_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb700c2d'/>
+      <elf-symbol name='phy_mii_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa67b95f8'/>
+      <elf-symbol name='phy_mipi_dphy_config_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x881bad5e'/>
+      <elf-symbol name='phy_mipi_dphy_get_default_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4848cfb1'/>
+      <elf-symbol name='phy_modify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaea3a453'/>
+      <elf-symbol name='phy_modify_paged_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf694db7f'/>
+      <elf-symbol name='phy_power_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x235ff888'/>
+      <elf-symbol name='phy_power_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x202cac6d'/>
+      <elf-symbol name='phy_print_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93a9c81f'/>
+      <elf-symbol name='phy_read_paged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9995494e'/>
+      <elf-symbol name='phy_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x752a9006'/>
+      <elf-symbol name='phy_restore_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a12a008'/>
+      <elf-symbol name='phy_select_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b227e30'/>
+      <elf-symbol name='phy_set_mode_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x674330ee'/>
+      <elf-symbol name='phy_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ff1dc76'/>
+      <elf-symbol name='phy_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d8ebc7a'/>
+      <elf-symbol name='phy_write_paged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e5a9e34'/>
+      <elf-symbol name='phylink_connect_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeecc63b1'/>
+      <elf-symbol name='phylink_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccdd13cc'/>
+      <elf-symbol name='phylink_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3083a1d'/>
+      <elf-symbol name='phylink_disconnect_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x983276da'/>
+      <elf-symbol name='phylink_ethtool_get_eee' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c8e28ee'/>
+      <elf-symbol name='phylink_ethtool_get_pauseparam' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8fe5642'/>
+      <elf-symbol name='phylink_ethtool_get_wol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8213956'/>
+      <elf-symbol name='phylink_ethtool_ksettings_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbef5eb03'/>
+      <elf-symbol name='phylink_ethtool_ksettings_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29686f52'/>
+      <elf-symbol name='phylink_ethtool_nway_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fa426d2'/>
+      <elf-symbol name='phylink_ethtool_set_eee' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57727285'/>
+      <elf-symbol name='phylink_ethtool_set_pauseparam' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15c4e3e2'/>
+      <elf-symbol name='phylink_ethtool_set_wol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62104126'/>
+      <elf-symbol name='phylink_get_eee_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x825c7340'/>
+      <elf-symbol name='phylink_mac_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12135396'/>
+      <elf-symbol name='phylink_mii_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde66f4a7'/>
+      <elf-symbol name='phylink_of_phy_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdef8ecab'/>
+      <elf-symbol name='phylink_set_port_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1d15a4c'/>
+      <elf-symbol name='phylink_speed_down' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59e0695d'/>
+      <elf-symbol name='phylink_speed_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d0c4dcc'/>
+      <elf-symbol name='phylink_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x911fcd6c'/>
+      <elf-symbol name='phylink_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcb0a2c0'/>
+      <elf-symbol name='pid_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb01f6010'/>
+      <elf-symbol name='pin_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8e38dc9'/>
+      <elf-symbol name='pin_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbace5384'/>
+      <elf-symbol name='pin_user_pages_fast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e29dd53'/>
+      <elf-symbol name='pin_user_pages_remote' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7811705'/>
+      <elf-symbol name='pinconf_generic_dt_free_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f891082'/>
+      <elf-symbol name='pinconf_generic_dt_node_to_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4840cbec'/>
+      <elf-symbol name='pinconf_generic_parse_dt_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe045168a'/>
+      <elf-symbol name='pinctrl_add_gpio_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a3c7f35'/>
+      <elf-symbol name='pinctrl_dev_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x218aee2a'/>
+      <elf-symbol name='pinctrl_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfff738ed'/>
+      <elf-symbol name='pinctrl_find_gpio_range_from_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1f1fbbd'/>
+      <elf-symbol name='pinctrl_force_default' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa004bbe'/>
+      <elf-symbol name='pinctrl_force_sleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad839908'/>
+      <elf-symbol name='pinctrl_generic_add_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb299a250'/>
+      <elf-symbol name='pinctrl_generic_get_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa47804ca'/>
+      <elf-symbol name='pinctrl_generic_get_group_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x229a014c'/>
+      <elf-symbol name='pinctrl_generic_get_group_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa04e1f0'/>
+      <elf-symbol name='pinctrl_generic_get_group_pins' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb883005'/>
+      <elf-symbol name='pinctrl_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdf46e90'/>
+      <elf-symbol name='pinctrl_gpio_direction_input' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bc5eebe'/>
+      <elf-symbol name='pinctrl_gpio_direction_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b8822d8'/>
+      <elf-symbol name='pinctrl_gpio_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28ab4fb9'/>
+      <elf-symbol name='pinctrl_gpio_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d0ae550'/>
+      <elf-symbol name='pinctrl_gpio_set_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b92d16e'/>
+      <elf-symbol name='pinctrl_lookup_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41c2ae73'/>
+      <elf-symbol name='pinctrl_pm_select_default_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb15191c2'/>
+      <elf-symbol name='pinctrl_pm_select_idle_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f055b26'/>
+      <elf-symbol name='pinctrl_pm_select_sleep_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2575383'/>
+      <elf-symbol name='pinctrl_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x706d4fc9'/>
+      <elf-symbol name='pinctrl_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11e5dbf8'/>
+      <elf-symbol name='pinctrl_remove_gpio_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x323bd44'/>
+      <elf-symbol name='pinctrl_select_default_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7590b286'/>
+      <elf-symbol name='pinctrl_select_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcfe984b'/>
+      <elf-symbol name='pinctrl_utils_free_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x328c3ffa'/>
+      <elf-symbol name='pinmux_generic_add_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba196eb3'/>
+      <elf-symbol name='pinmux_generic_get_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9185d318'/>
+      <elf-symbol name='pinmux_generic_get_function_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24e03161'/>
+      <elf-symbol name='pinmux_generic_get_function_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe89c18b'/>
+      <elf-symbol name='pinmux_generic_get_function_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x453b4780'/>
+      <elf-symbol name='pipe_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f47006b'/>
+      <elf-symbol name='pipe_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf75590c'/>
+      <elf-symbol name='pktgen_xfrm_outer_mode_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67692f15'/>
+      <elf-symbol name='pkvm_iommu_finalize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23d83c25'/>
+      <elf-symbol name='pkvm_iommu_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b4c7d8e'/>
+      <elf-symbol name='pkvm_iommu_s2mpu_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf82580d'/>
+      <elf-symbol name='pkvm_iommu_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3babda3'/>
+      <elf-symbol name='pkvm_iommu_sysmmu_sync_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f596a6c'/>
+      <elf-symbol name='platform_device_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6b7d45b'/>
+      <elf-symbol name='platform_device_add_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ca19aca'/>
+      <elf-symbol name='platform_device_add_properties' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44d6259e'/>
+      <elf-symbol name='platform_device_add_resources' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f2805f4'/>
+      <elf-symbol name='platform_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa86ae975'/>
+      <elf-symbol name='platform_device_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd24cb76'/>
+      <elf-symbol name='platform_device_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebcafd0a'/>
+      <elf-symbol name='platform_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24130c5e'/>
+      <elf-symbol name='platform_device_register_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cd5aad6'/>
+      <elf-symbol name='platform_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ab41eae'/>
+      <elf-symbol name='platform_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x658f39fc'/>
+      <elf-symbol name='platform_find_device_by_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34577f94'/>
+      <elf-symbol name='platform_get_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68f6056f'/>
+      <elf-symbol name='platform_get_irq_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb492249d'/>
+      <elf-symbol name='platform_get_irq_byname_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f94e24'/>
+      <elf-symbol name='platform_get_irq_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4767b8a0'/>
+      <elf-symbol name='platform_get_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbeab09a7'/>
+      <elf-symbol name='platform_get_resource_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8499ef4'/>
+      <elf-symbol name='platform_irq_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31c1b5fa'/>
+      <elf-symbol name='platform_irqchip_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d3c9eb6'/>
+      <elf-symbol name='platform_unregister_drivers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaef6399c'/>
+      <elf-symbol name='pm_clk_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82edfd47'/>
+      <elf-symbol name='pm_clk_add_clk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c9f094a'/>
+      <elf-symbol name='pm_clk_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a61294f'/>
+      <elf-symbol name='pm_clk_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83a10761'/>
+      <elf-symbol name='pm_clk_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2970e45'/>
+      <elf-symbol name='pm_clk_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x931a867e'/>
+      <elf-symbol name='pm_generic_runtime_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x618572ba'/>
+      <elf-symbol name='pm_generic_runtime_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0f1beb5'/>
+      <elf-symbol name='pm_genpd_add_subdomain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55edcca6'/>
+      <elf-symbol name='pm_genpd_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdad8980c'/>
+      <elf-symbol name='pm_genpd_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cf61f09'/>
+      <elf-symbol name='pm_genpd_remove_subdomain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1fb863'/>
+      <elf-symbol name='pm_get_active_wakeup_sources' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a8edb31'/>
+      <elf-symbol name='pm_relax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafe749f1'/>
+      <elf-symbol name='pm_runtime_allow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d1ee0d6'/>
+      <elf-symbol name='pm_runtime_barrier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2013a99b'/>
+      <elf-symbol name='pm_runtime_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8faeff4e'/>
+      <elf-symbol name='pm_runtime_forbid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0ff2134'/>
+      <elf-symbol name='pm_runtime_force_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3bf71248'/>
+      <elf-symbol name='pm_runtime_force_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21145666'/>
+      <elf-symbol name='pm_runtime_get_if_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3054296'/>
+      <elf-symbol name='pm_runtime_irq_safe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf176571'/>
+      <elf-symbol name='pm_runtime_no_callbacks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33200463'/>
+      <elf-symbol name='pm_runtime_set_autosuspend_delay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x656957e1'/>
+      <elf-symbol name='pm_stay_awake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1889637'/>
+      <elf-symbol name='pm_system_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c0215f2'/>
+      <elf-symbol name='pm_wakeup_dev_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2eae5132'/>
+      <elf-symbol name='pm_wakeup_ws_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8683206e'/>
+      <elf-symbol name='policy_has_boost_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81425ede'/>
+      <elf-symbol name='posix_clock_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47566277'/>
+      <elf-symbol name='posix_clock_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x169ed8a8'/>
+      <elf-symbol name='power_supply_am_i_supplied' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c40d7e2'/>
+      <elf-symbol name='power_supply_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9a2d405'/>
+      <elf-symbol name='power_supply_get_battery_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x257314f8'/>
+      <elf-symbol name='power_supply_get_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21e44ee'/>
+      <elf-symbol name='power_supply_get_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf15aa9c'/>
+      <elf-symbol name='power_supply_get_by_phandle_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec0255fe'/>
+      <elf-symbol name='power_supply_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x268770e3'/>
+      <elf-symbol name='power_supply_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfb9f2a5'/>
+      <elf-symbol name='power_supply_is_system_supplied' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c208607'/>
+      <elf-symbol name='power_supply_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdce93514'/>
+      <elf-symbol name='power_supply_put_battery_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2993846'/>
+      <elf-symbol name='power_supply_reg_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x136209db'/>
+      <elf-symbol name='power_supply_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcddcbe79'/>
+      <elf-symbol name='power_supply_set_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb51b0b1'/>
+      <elf-symbol name='power_supply_unreg_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b81c38b'/>
+      <elf-symbol name='power_supply_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33410d35'/>
+      <elf-symbol name='prandom_bytes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa99b39c2'/>
+      <elf-symbol name='prandom_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfda9581f'/>
+      <elf-symbol name='preempt_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43b0c9c3'/>
+      <elf-symbol name='preempt_schedule_notrace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf70e4a4d'/>
+      <elf-symbol name='prepare_to_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5fd90f1'/>
+      <elf-symbol name='prepare_to_wait_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c26d495'/>
+      <elf-symbol name='print_hex_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x167c5967'/>
+      <elf-symbol name='printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5850110'/>
+      <elf-symbol name='printk_deferred' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd98307f5'/>
+      <elf-symbol name='printk_timed_ratelimit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cc4a5d'/>
+      <elf-symbol name='proc_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9d293f6'/>
+      <elf-symbol name='proc_create_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5b56c36'/>
+      <elf-symbol name='proc_create_seq_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e774594'/>
+      <elf-symbol name='proc_create_single_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a9cdd39'/>
+      <elf-symbol name='proc_dointvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8181adf'/>
+      <elf-symbol name='proc_dostring' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x319d493d'/>
+      <elf-symbol name='proc_douintvec_minmax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x638aff11'/>
+      <elf-symbol name='proc_get_parent_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x775ba05a'/>
+      <elf-symbol name='proc_mkdir' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71962f2'/>
+      <elf-symbol name='proc_mkdir_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdbd5626'/>
+      <elf-symbol name='proc_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9c214e2'/>
+      <elf-symbol name='proc_set_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b58ed5a'/>
+      <elf-symbol name='proc_set_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d1fa6cd'/>
+      <elf-symbol name='proc_symlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb55c8d8c'/>
+      <elf-symbol name='proto_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x541d6ee9'/>
+      <elf-symbol name='proto_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd48c14c3'/>
+      <elf-symbol name='ps2_begin_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37b78d12'/>
+      <elf-symbol name='ps2_cmd_aborted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0447bdf'/>
+      <elf-symbol name='ps2_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa23bd644'/>
+      <elf-symbol name='ps2_drain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60445188'/>
+      <elf-symbol name='ps2_end_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87b5d1e1'/>
+      <elf-symbol name='ps2_handle_ack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x335daee9'/>
+      <elf-symbol name='ps2_handle_response' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84580559'/>
+      <elf-symbol name='ps2_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeab7d5'/>
+      <elf-symbol name='ps2_sendbyte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65c7c78f'/>
+      <elf-symbol name='ps2_sliced_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5fef2d5'/>
+      <elf-symbol name='pskb_expand_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d13a275'/>
+      <elf-symbol name='put_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc25ff85a'/>
+      <elf-symbol name='put_disk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x657b28bf'/>
+      <elf-symbol name='put_iova_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb75aa2d6'/>
+      <elf-symbol name='put_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35daa920'/>
+      <elf-symbol name='put_sg_io_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ec4aee6'/>
+      <elf-symbol name='put_tty_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd271eae3'/>
+      <elf-symbol name='put_unused_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f4547a7'/>
+      <elf-symbol name='put_vaddr_frames' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b700d37'/>
+      <elf-symbol name='pwm_adjust_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8be18b50'/>
+      <elf-symbol name='pwm_apply_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebde933f'/>
+      <elf-symbol name='pwm_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7d884ba'/>
+      <elf-symbol name='pwm_get_chip_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55a2758e'/>
+      <elf-symbol name='pwm_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99952542'/>
+      <elf-symbol name='pwm_set_chip_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ff69a9c'/>
+      <elf-symbol name='pwmchip_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1029220'/>
+      <elf-symbol name='pwmchip_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10fbade6'/>
+      <elf-symbol name='qcom_smem_state_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f4bcc87'/>
+      <elf-symbol name='qcom_smem_state_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9396e1c1'/>
+      <elf-symbol name='qcom_smem_state_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4561f990'/>
+      <elf-symbol name='qcom_smem_state_update_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf730fb4a'/>
+      <elf-symbol name='queue_delayed_work_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf57e89e'/>
+      <elf-symbol name='queue_work_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x732ac580'/>
+      <elf-symbol name='radix_tree_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e6e4b41'/>
+      <elf-symbol name='radix_tree_delete_item' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2237016'/>
+      <elf-symbol name='radix_tree_gang_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b27729b'/>
+      <elf-symbol name='radix_tree_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fbc6a00'/>
+      <elf-symbol name='radix_tree_iter_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dc35b25'/>
+      <elf-symbol name='radix_tree_iter_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb55c076'/>
+      <elf-symbol name='radix_tree_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70ad75fb'/>
+      <elf-symbol name='radix_tree_next_chunk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c541e7b'/>
+      <elf-symbol name='radix_tree_preload' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32ce3777'/>
+      <elf-symbol name='rational_best_approximation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0a0da0c'/>
+      <elf-symbol name='raw_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa851973a'/>
+      <elf-symbol name='raw_notifier_chain_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc9fa232'/>
+      <elf-symbol name='raw_notifier_chain_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd06524ba'/>
+      <elf-symbol name='rb_erase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d9b652b'/>
+      <elf-symbol name='rb_first' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xece784c2'/>
+      <elf-symbol name='rb_insert_color' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5526619'/>
+      <elf-symbol name='rb_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca9360b5'/>
+      <elf-symbol name='rb_prev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf82ec573'/>
+      <elf-symbol name='rb_replace_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fe32873'/>
+      <elf-symbol name='rc_keydown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f588f6f'/>
+      <elf-symbol name='rc_repeat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb88c722c'/>
+      <elf-symbol name='rcu_barrier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60a13e90'/>
+      <elf-symbol name='rcuwait_wake_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaff4d0f3'/>
+      <elf-symbol name='rdev_get_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe33e8159'/>
+      <elf-symbol name='rdev_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80c27542'/>
+      <elf-symbol name='rdev_get_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f1b086b'/>
+      <elf-symbol name='reciprocal_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa965ca81'/>
+      <elf-symbol name='refcount_dec_and_mutex_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55eb4a7f'/>
+      <elf-symbol name='refcount_dec_not_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe441e95a'/>
+      <elf-symbol name='refcount_warn_saturate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x296695f'/>
+      <elf-symbol name='refresh_frequency_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dd5a428'/>
+      <elf-symbol name='reg_initiator_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdba126c1'/>
+      <elf-symbol name='regcache_cache_bypass' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e372936'/>
+      <elf-symbol name='regcache_cache_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7b0cf0c'/>
+      <elf-symbol name='regcache_drop_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34375ea9'/>
+      <elf-symbol name='regcache_mark_dirty' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58e854e1'/>
+      <elf-symbol name='regcache_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x257ca6dd'/>
+      <elf-symbol name='regcache_sync_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d962c68'/>
+      <elf-symbol name='register_blkdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71a50dbc'/>
+      <elf-symbol name='register_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdcfeb1e'/>
+      <elf-symbol name='register_chrdev_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fd78f3b'/>
+      <elf-symbol name='register_console' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x721ff6f2'/>
+      <elf-symbol name='register_die_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6261484'/>
+      <elf-symbol name='register_filesystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98370ff3'/>
+      <elf-symbol name='register_inet6addr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60352082'/>
+      <elf-symbol name='register_inetaddr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf68285c0'/>
+      <elf-symbol name='register_kernel_break_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf42b9584'/>
+      <elf-symbol name='register_kretprobe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83e8de60'/>
+      <elf-symbol name='register_net_sysctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3347fc6'/>
+      <elf-symbol name='register_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b83e301'/>
+      <elf-symbol name='register_netdevice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7e5ce55'/>
+      <elf-symbol name='register_netdevice_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2da1048'/>
+      <elf-symbol name='register_netevent_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4761f17c'/>
+      <elf-symbol name='register_oom_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x622c7922'/>
+      <elf-symbol name='register_pernet_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8876a51'/>
+      <elf-symbol name='register_pernet_subsys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ae81411'/>
+      <elf-symbol name='register_pm_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cc4f70a'/>
+      <elf-symbol name='register_reboot_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3517383e'/>
+      <elf-symbol name='register_restart_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9d8fd16'/>
+      <elf-symbol name='register_shrinker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80145cad'/>
+      <elf-symbol name='register_syscore_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9c425de'/>
+      <elf-symbol name='register_sysctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cd91791'/>
+      <elf-symbol name='register_sysctl_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a449c4f'/>
+      <elf-symbol name='register_virtio_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14446684'/>
+      <elf-symbol name='register_virtio_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c2871de'/>
+      <elf-symbol name='register_vmap_purge_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26ed2186'/>
+      <elf-symbol name='regmap_add_irq_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d24fb92'/>
+      <elf-symbol name='regmap_async_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaeb93497'/>
+      <elf-symbol name='regmap_bulk_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd696d526'/>
+      <elf-symbol name='regmap_bulk_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2517759b'/>
+      <elf-symbol name='regmap_del_irq_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x131a5ed7'/>
+      <elf-symbol name='regmap_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d53b697'/>
+      <elf-symbol name='regmap_field_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff5757ed'/>
+      <elf-symbol name='regmap_field_update_bits_base' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe01a74f0'/>
+      <elf-symbol name='regmap_get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46b15fe9'/>
+      <elf-symbol name='regmap_irq_chip_get_base' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e89a560'/>
+      <elf-symbol name='regmap_irq_get_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73dbd283'/>
+      <elf-symbol name='regmap_irq_get_virq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55784228'/>
+      <elf-symbol name='regmap_multi_reg_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb88d24b6'/>
+      <elf-symbol name='regmap_multi_reg_write_bypassed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb8b15d6'/>
+      <elf-symbol name='regmap_raw_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbaa30c3f'/>
+      <elf-symbol name='regmap_raw_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa519e2c'/>
+      <elf-symbol name='regmap_raw_write_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x137c625c'/>
+      <elf-symbol name='regmap_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51e55f54'/>
+      <elf-symbol name='regmap_register_patch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44ef6384'/>
+      <elf-symbol name='regmap_update_bits_base' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b0b3adb'/>
+      <elf-symbol name='regmap_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6afb15b8'/>
+      <elf-symbol name='regulator_bulk_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ebf0757'/>
+      <elf-symbol name='regulator_bulk_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcb49db8'/>
+      <elf-symbol name='regulator_bulk_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9c11ba'/>
+      <elf-symbol name='regulator_bulk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccc3922'/>
+      <elf-symbol name='regulator_count_voltages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f4ca8b2'/>
+      <elf-symbol name='regulator_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b5ca1e1'/>
+      <elf-symbol name='regulator_disable_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14a00370'/>
+      <elf-symbol name='regulator_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe741ecc4'/>
+      <elf-symbol name='regulator_enable_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfaa428d'/>
+      <elf-symbol name='regulator_force_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4e9d5c0'/>
+      <elf-symbol name='regulator_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadca640'/>
+      <elf-symbol name='regulator_get_current_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2d79696'/>
+      <elf-symbol name='regulator_get_current_limit_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ab4879'/>
+      <elf-symbol name='regulator_get_exclusive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8224ea57'/>
+      <elf-symbol name='regulator_get_linear_step' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeae95e30'/>
+      <elf-symbol name='regulator_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3eba614'/>
+      <elf-symbol name='regulator_get_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9334084'/>
+      <elf-symbol name='regulator_get_voltage_sel_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ab7c7ef'/>
+      <elf-symbol name='regulator_is_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd38577c'/>
+      <elf-symbol name='regulator_is_enabled_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46ad89e7'/>
+      <elf-symbol name='regulator_is_supported_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa25aa5a5'/>
+      <elf-symbol name='regulator_list_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cd35880'/>
+      <elf-symbol name='regulator_list_voltage_linear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5846ee1b'/>
+      <elf-symbol name='regulator_list_voltage_linear_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb951aa77'/>
+      <elf-symbol name='regulator_list_voltage_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ca64fe1'/>
+      <elf-symbol name='regulator_map_voltage_ascend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8577d81b'/>
+      <elf-symbol name='regulator_map_voltage_iterate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf13a07d8'/>
+      <elf-symbol name='regulator_map_voltage_linear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef0be6b5'/>
+      <elf-symbol name='regulator_map_voltage_linear_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90cc31dd'/>
+      <elf-symbol name='regulator_mode_to_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56310925'/>
+      <elf-symbol name='regulator_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1051bbbe'/>
+      <elf-symbol name='regulator_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b2d8eb6'/>
+      <elf-symbol name='regulator_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa779d7fd'/>
+      <elf-symbol name='regulator_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafdd4bdf'/>
+      <elf-symbol name='regulator_set_active_discharge_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50949453'/>
+      <elf-symbol name='regulator_set_current_limit_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2af62bf2'/>
+      <elf-symbol name='regulator_set_load' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfd18700'/>
+      <elf-symbol name='regulator_set_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10d68b6c'/>
+      <elf-symbol name='regulator_set_pull_down_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eb8d0bc'/>
+      <elf-symbol name='regulator_set_soft_start_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ac7a7f7'/>
+      <elf-symbol name='regulator_set_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd281e676'/>
+      <elf-symbol name='regulator_set_voltage_sel_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f386041'/>
+      <elf-symbol name='regulator_set_voltage_time_sel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x170b7218'/>
+      <elf-symbol name='regulator_suspend_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa74388ea'/>
+      <elf-symbol name='regulator_suspend_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12a11f98'/>
+      <elf-symbol name='regulator_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9bbec8c'/>
+      <elf-symbol name='regulator_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0885abb'/>
+      <elf-symbol name='regulatory_hint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc857bb60'/>
+      <elf-symbol name='regulatory_set_wiphy_regd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76fddee6'/>
+      <elf-symbol name='regulatory_set_wiphy_regd_sync_rtnl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc163203'/>
+      <elf-symbol name='release_firmware' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6d09aa9'/>
+      <elf-symbol name='release_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f3227d4'/>
+      <elf-symbol name='release_sock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40d5423c'/>
+      <elf-symbol name='remap_pfn_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e1f6d93'/>
+      <elf-symbol name='remap_vmalloc_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadc7806f'/>
+      <elf-symbol name='remove_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad4e6259'/>
+      <elf-symbol name='remove_proc_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b4bfa36'/>
+      <elf-symbol name='remove_proc_subtree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfca7b50d'/>
+      <elf-symbol name='remove_wait_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37110088'/>
+      <elf-symbol name='report_iommu_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2210dde'/>
+      <elf-symbol name='request_firmware' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8195455'/>
+      <elf-symbol name='request_firmware_direct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ea0a5be'/>
+      <elf-symbol name='request_firmware_into_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec8823bf'/>
+      <elf-symbol name='request_firmware_nowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9475825'/>
+      <elf-symbol name='request_threaded_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2072ee9b'/>
+      <elf-symbol name='resched_curr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd4c1bd'/>
+      <elf-symbol name='reset_control_assert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c4b6684'/>
+      <elf-symbol name='reset_control_deassert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2210d64'/>
+      <elf-symbol name='reset_control_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40f0683e'/>
+      <elf-symbol name='reset_control_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24f39c39'/>
+      <elf-symbol name='reset_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd324c057'/>
+      <elf-symbol name='resume_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b491092'/>
+      <elf-symbol name='return_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb917b6d7'/>
+      <elf-symbol name='revalidate_disk_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2249fb42'/>
+      <elf-symbol name='reweight_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd318c25'/>
+      <elf-symbol name='rfkill_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefc446d5'/>
+      <elf-symbol name='rfkill_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb68bbad'/>
+      <elf-symbol name='rfkill_find_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50b73ce2'/>
+      <elf-symbol name='rfkill_init_sw_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaad6d92f'/>
+      <elf-symbol name='rfkill_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25277497'/>
+      <elf-symbol name='rfkill_set_hw_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97999817'/>
+      <elf-symbol name='rfkill_set_sw_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a490c90'/>
+      <elf-symbol name='rfkill_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83eb21c'/>
+      <elf-symbol name='rhashtable_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5363bc'/>
+      <elf-symbol name='rhashtable_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e449fb4'/>
+      <elf-symbol name='rhashtable_insert_slow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe086059f'/>
+      <elf-symbol name='rht_bucket_nested' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7f990e9'/>
+      <elf-symbol name='rht_bucket_nested_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9920ae2a'/>
+      <elf-symbol name='rng_is_initialized' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a4f9d28'/>
+      <elf-symbol name='root_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19b78002'/>
+      <elf-symbol name='round_jiffies_relative' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1eb9516e'/>
+      <elf-symbol name='round_jiffies_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50fad434'/>
+      <elf-symbol name='rpmsg_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e406997'/>
+      <elf-symbol name='rpmsg_register_device_override' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28c3018e'/>
+      <elf-symbol name='rpmsg_send' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9c682fe'/>
+      <elf-symbol name='rpmsg_trysend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0d710a3'/>
+      <elf-symbol name='rpmsg_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd9e64e4'/>
+      <elf-symbol name='rproc_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92e03312'/>
+      <elf-symbol name='rproc_add_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x157fb76d'/>
+      <elf-symbol name='rproc_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d51975c'/>
+      <elf-symbol name='rproc_coredump_add_custom_segment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fc41d81'/>
+      <elf-symbol name='rproc_coredump_add_segment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x838c5d8a'/>
+      <elf-symbol name='rproc_coredump_set_elf_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48c12f23'/>
+      <elf-symbol name='rproc_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4998fe5'/>
+      <elf-symbol name='rproc_elf_get_boot_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3ecf3c2'/>
+      <elf-symbol name='rproc_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9046013e'/>
+      <elf-symbol name='rproc_get_by_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdea318e6'/>
+      <elf-symbol name='rproc_remove_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3bbef72d'/>
+      <elf-symbol name='rproc_report_crash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf93b5e0a'/>
+      <elf-symbol name='rsa_parse_priv_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd75b20aa'/>
+      <elf-symbol name='rsa_parse_pub_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89ae7aa0'/>
+      <elf-symbol name='rt_mutex_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf030a61a'/>
+      <elf-symbol name='rt_mutex_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51450444'/>
+      <elf-symbol name='rt_mutex_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63f0d628'/>
+      <elf-symbol name='rt_mutex_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92393914'/>
+      <elf-symbol name='rtc_class_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4aacf6db'/>
+      <elf-symbol name='rtc_class_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x163f6cdb'/>
+      <elf-symbol name='rtc_read_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd2a7c4c'/>
+      <elf-symbol name='rtc_set_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0fd2f17'/>
+      <elf-symbol name='rtc_time64_to_tm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x356461c8'/>
+      <elf-symbol name='rtc_tm_to_ktime' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23412816'/>
+      <elf-symbol name='rtc_tm_to_time64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f2250ba'/>
+      <elf-symbol name='rtc_update_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d15e7'/>
+      <elf-symbol name='rtc_valid_tm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5838f6c9'/>
+      <elf-symbol name='rtc_year_days' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4859b8bb'/>
+      <elf-symbol name='rtnl_is_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85670f1d'/>
+      <elf-symbol name='rtnl_link_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd98ccb06'/>
+      <elf-symbol name='rtnl_link_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf0978cb'/>
+      <elf-symbol name='rtnl_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7a4fbed'/>
+      <elf-symbol name='rtnl_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4f14de6'/>
+      <elf-symbol name='rtnl_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e720ff2'/>
+      <elf-symbol name='sb800_prefetch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10b05bc3'/>
+      <elf-symbol name='sbitmap_queue_min_shallow_depth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b4c9ba9'/>
+      <elf-symbol name='scatterwalk_ffwd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bbdfa26'/>
+      <elf-symbol name='scatterwalk_map_and_copy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x845dbf3b'/>
+      <elf-symbol name='sched_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd653b126'/>
+      <elf-symbol name='sched_set_fifo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56dc8465'/>
+      <elf-symbol name='sched_set_fifo_low' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2ced00d'/>
+      <elf-symbol name='sched_set_normal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2ac14e1'/>
+      <elf-symbol name='sched_setattr_nocheck' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe73f525f'/>
+      <elf-symbol name='sched_setscheduler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1aebfec'/>
+      <elf-symbol name='sched_setscheduler_nocheck' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a7b703f'/>
+      <elf-symbol name='sched_show_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3ab4867'/>
+      <elf-symbol name='sched_trace_cfs_rq_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9731d10b'/>
+      <elf-symbol name='sched_trace_cfs_rq_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe55be5c1'/>
+      <elf-symbol name='sched_trace_cfs_rq_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x721a0289'/>
+      <elf-symbol name='sched_trace_rd_span' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63069a86'/>
+      <elf-symbol name='sched_trace_rq_avg_dl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7e115a9'/>
+      <elf-symbol name='sched_trace_rq_avg_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5b2a145'/>
+      <elf-symbol name='sched_trace_rq_avg_rt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa711143'/>
+      <elf-symbol name='sched_trace_rq_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1e69a85'/>
+      <elf-symbol name='schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1000e51'/>
+      <elf-symbol name='schedule_hrtimeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a460dc5'/>
+      <elf-symbol name='schedule_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ddd8aad'/>
+      <elf-symbol name='schedule_timeout_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54496b4'/>
+      <elf-symbol name='schedule_timeout_uninterruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x151f4898'/>
+      <elf-symbol name='scmi_driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdff3f00'/>
+      <elf-symbol name='scmi_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fb241c8'/>
+      <elf-symbol name='scnprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96848186'/>
+      <elf-symbol name='scsi_add_host_with_dma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ae027d3'/>
+      <elf-symbol name='scsi_autopm_get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc4dad5f'/>
+      <elf-symbol name='scsi_autopm_put_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x955f4dfa'/>
+      <elf-symbol name='scsi_block_requests' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf605dd9d'/>
+      <elf-symbol name='scsi_block_when_processing_errors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6ff1f1d'/>
+      <elf-symbol name='scsi_build_sense_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8112b3d2'/>
+      <elf-symbol name='scsi_change_queue_depth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfff7ce4'/>
+      <elf-symbol name='scsi_compat_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x731e5322'/>
+      <elf-symbol name='scsi_device_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69a548ab'/>
+      <elf-symbol name='scsi_device_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c548f88'/>
+      <elf-symbol name='scsi_host_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ebce6b9'/>
+      <elf-symbol name='scsi_host_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23eb1270'/>
+      <elf-symbol name='scsi_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda022e8b'/>
+      <elf-symbol name='scsi_ioctl_block_when_processing_errors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a96f524'/>
+      <elf-symbol name='scsi_normalize_sense' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbad3cf0'/>
+      <elf-symbol name='scsi_register_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc272acea'/>
+      <elf-symbol name='scsi_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab8d9e4e'/>
+      <elf-symbol name='scsi_remove_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2bd757'/>
+      <elf-symbol name='scsi_scan_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d6ba01d'/>
+      <elf-symbol name='scsi_set_sense_information' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x818416e1'/>
+      <elf-symbol name='scsi_unblock_requests' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa134ff80'/>
+      <elf-symbol name='sdev_prefix_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6121c61'/>
+      <elf-symbol name='sdhci_add_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x739314be'/>
+      <elf-symbol name='sdhci_adma_write_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89e4fe7c'/>
+      <elf-symbol name='sdhci_cleanup_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x689cd41'/>
+      <elf-symbol name='sdhci_cqe_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbce13182'/>
+      <elf-symbol name='sdhci_cqe_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc41987f2'/>
+      <elf-symbol name='sdhci_cqe_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29ceb363'/>
+      <elf-symbol name='sdhci_dumpregs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc98aec18'/>
+      <elf-symbol name='sdhci_enable_clk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6788a7ed'/>
+      <elf-symbol name='sdhci_enable_sdio_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a877efe'/>
+      <elf-symbol name='sdhci_execute_tuning' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56db4fe4'/>
+      <elf-symbol name='sdhci_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcadde777'/>
+      <elf-symbol name='sdhci_pltfm_clk_get_max_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64c49d5c'/>
+      <elf-symbol name='sdhci_pltfm_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x122c2875'/>
+      <elf-symbol name='sdhci_pltfm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e7dbed9'/>
+      <elf-symbol name='sdhci_pltfm_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4b9100'/>
+      <elf-symbol name='sdhci_remove_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6da2a59'/>
+      <elf-symbol name='sdhci_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfc4cfa'/>
+      <elf-symbol name='sdhci_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e8c0b61'/>
+      <elf-symbol name='sdhci_resume_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd90977a0'/>
+      <elf-symbol name='sdhci_runtime_resume_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bfb7e14'/>
+      <elf-symbol name='sdhci_runtime_suspend_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb994720'/>
+      <elf-symbol name='sdhci_send_tuning' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7611ec6'/>
+      <elf-symbol name='sdhci_set_bus_width' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8bb2510'/>
+      <elf-symbol name='sdhci_set_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68dac539'/>
+      <elf-symbol name='sdhci_set_power_and_bus_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37f20f4f'/>
+      <elf-symbol name='sdhci_set_power_noreg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b8d61a9'/>
+      <elf-symbol name='sdhci_set_uhs_signaling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc9790bd'/>
+      <elf-symbol name='sdhci_setup_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff9d4f51'/>
+      <elf-symbol name='sdhci_suspend_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x855d72e5'/>
+      <elf-symbol name='sdio_claim_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd97ad8f4'/>
+      <elf-symbol name='sdio_claim_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x739ea313'/>
+      <elf-symbol name='sdio_disable_func' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f4a3cd4'/>
+      <elf-symbol name='sdio_enable_func' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeb0e937'/>
+      <elf-symbol name='sdio_f0_readb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeea56f3'/>
+      <elf-symbol name='sdio_f0_writeb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cbd9dcc'/>
+      <elf-symbol name='sdio_get_host_pm_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5dd87dfd'/>
+      <elf-symbol name='sdio_memcpy_fromio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a049fe3'/>
+      <elf-symbol name='sdio_memcpy_toio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98e4432f'/>
+      <elf-symbol name='sdio_readb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf05186a4'/>
+      <elf-symbol name='sdio_readl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44678919'/>
+      <elf-symbol name='sdio_readsb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3382d8e4'/>
+      <elf-symbol name='sdio_readw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fdf84ba'/>
+      <elf-symbol name='sdio_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd8fb47a'/>
+      <elf-symbol name='sdio_release_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa84db11b'/>
+      <elf-symbol name='sdio_release_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c844599'/>
+      <elf-symbol name='sdio_retune_crc_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1dd232f'/>
+      <elf-symbol name='sdio_retune_crc_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a8c9d80'/>
+      <elf-symbol name='sdio_retune_hold_now' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a9a127'/>
+      <elf-symbol name='sdio_retune_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa306f97d'/>
+      <elf-symbol name='sdio_set_block_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3d5a360'/>
+      <elf-symbol name='sdio_set_host_pm_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62ad2ac8'/>
+      <elf-symbol name='sdio_signal_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66104215'/>
+      <elf-symbol name='sdio_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12fa979d'/>
+      <elf-symbol name='sdio_writeb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0aa6c3a'/>
+      <elf-symbol name='sdio_writel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e1c0e51'/>
+      <elf-symbol name='sdio_writesb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48d44df5'/>
+      <elf-symbol name='sdio_writew' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae48d455'/>
+      <elf-symbol name='send_sig' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1de1425'/>
+      <elf-symbol name='send_sig_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0f65363'/>
+      <elf-symbol name='seq_hex_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49757861'/>
+      <elf-symbol name='seq_list_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7d4daac'/>
+      <elf-symbol name='seq_list_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff1e9dd8'/>
+      <elf-symbol name='seq_lseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b63d45e'/>
+      <elf-symbol name='seq_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb33c8e3a'/>
+      <elf-symbol name='seq_printf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed7d10b8'/>
+      <elf-symbol name='seq_putc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5afc7f8'/>
+      <elf-symbol name='seq_puts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef71b98d'/>
+      <elf-symbol name='seq_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18607975'/>
+      <elf-symbol name='seq_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91a4459'/>
+      <elf-symbol name='seq_release_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b8ef7f0'/>
+      <elf-symbol name='seq_vprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64d1b0f6'/>
+      <elf-symbol name='seq_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7727cad2'/>
+      <elf-symbol name='serial8250_clear_and_reinit_fifos' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf82732dd'/>
+      <elf-symbol name='serial8250_do_pm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b59b328'/>
+      <elf-symbol name='serial8250_do_set_divisor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b8d75e0'/>
+      <elf-symbol name='serial8250_do_set_ldisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1130db36'/>
+      <elf-symbol name='serial8250_do_set_termios' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd078970b'/>
+      <elf-symbol name='serial8250_get_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fe7f61c'/>
+      <elf-symbol name='serial8250_handle_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5548279'/>
+      <elf-symbol name='serial8250_register_8250_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee558141'/>
+      <elf-symbol name='serial8250_resume_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7208c3a'/>
+      <elf-symbol name='serial8250_suspend_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc248d26'/>
+      <elf-symbol name='serial8250_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcefcd99a'/>
+      <elf-symbol name='serial8250_update_uartclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2a869a8'/>
+      <elf-symbol name='serio_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27f4749f'/>
+      <elf-symbol name='serio_interrupt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16557519'/>
+      <elf-symbol name='serio_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb57c3ab4'/>
+      <elf-symbol name='serio_reconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc72094c3'/>
+      <elf-symbol name='serio_rescan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e94e2be'/>
+      <elf-symbol name='serio_unregister_child_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6391449e'/>
+      <elf-symbol name='serio_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe84f2f73'/>
+      <elf-symbol name='serio_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x501fdc15'/>
+      <elf-symbol name='set_blocksize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a10b4e3'/>
+      <elf-symbol name='set_capacity_revalidate_and_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd52ef3a6'/>
+      <elf-symbol name='set_cpus_allowed_ptr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd179a66'/>
+      <elf-symbol name='set_disk_ro' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24462b13'/>
+      <elf-symbol name='set_freezable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e61bb05'/>
+      <elf-symbol name='set_next_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2514d7e8'/>
+      <elf-symbol name='set_normalized_timespec64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x365acda7'/>
+      <elf-symbol name='set_page_dirty' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75f86ff6'/>
+      <elf-symbol name='set_page_dirty_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ffc0c72'/>
+      <elf-symbol name='set_task_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9dad0196'/>
+      <elf-symbol name='set_user_nice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dfdc57'/>
+      <elf-symbol name='sg_alloc_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a2f6702'/>
+      <elf-symbol name='sg_alloc_table_from_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c0f6f53'/>
+      <elf-symbol name='sg_copy_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ac743de'/>
+      <elf-symbol name='sg_copy_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x905695ab'/>
+      <elf-symbol name='sg_copy_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b8ab42'/>
+      <elf-symbol name='sg_free_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f5b4fe4'/>
+      <elf-symbol name='sg_init_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb320cc0e'/>
+      <elf-symbol name='sg_init_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf888ca21'/>
+      <elf-symbol name='sg_last' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5f7e801'/>
+      <elf-symbol name='sg_miter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d09ccf3'/>
+      <elf-symbol name='sg_miter_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4913d16e'/>
+      <elf-symbol name='sg_miter_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x452cd86d'/>
+      <elf-symbol name='sg_nents' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x461d16ca'/>
+      <elf-symbol name='sg_nents_for_len' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4230a8d7'/>
+      <elf-symbol name='sg_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87b8798d'/>
+      <elf-symbol name='sg_pcopy_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0fe8d51'/>
+      <elf-symbol name='sg_pcopy_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea778fab'/>
+      <elf-symbol name='sg_scsi_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf75f05f5'/>
+      <elf-symbol name='sha1_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50624917'/>
+      <elf-symbol name='sha1_transform' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e0ccb9f'/>
+      <elf-symbol name='shash_free_singlespawn_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf89de46c'/>
+      <elf-symbol name='shash_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd713ef4'/>
+      <elf-symbol name='shmem_file_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9075186c'/>
+      <elf-symbol name='shmem_truncate_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64b2049b'/>
+      <elf-symbol name='si_meminfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40c7247c'/>
+      <elf-symbol name='simple_attr_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58daa8ab'/>
+      <elf-symbol name='simple_attr_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f56bb79'/>
+      <elf-symbol name='simple_attr_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7f777ca'/>
+      <elf-symbol name='simple_attr_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x965d4359'/>
+      <elf-symbol name='simple_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16bc4be3'/>
+      <elf-symbol name='simple_read_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x619cb7dd'/>
+      <elf-symbol name='simple_statfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1f9f4cc'/>
+      <elf-symbol name='simple_strtol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb742fd7'/>
+      <elf-symbol name='simple_strtoll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7e56a4e'/>
+      <elf-symbol name='simple_strtoul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20000329'/>
+      <elf-symbol name='simple_strtoull' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61b7b126'/>
+      <elf-symbol name='simple_write_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb4f4766'/>
+      <elf-symbol name='single_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef13231f'/>
+      <elf-symbol name='single_open_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33ffdd0'/>
+      <elf-symbol name='single_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15b33622'/>
+      <elf-symbol name='sk_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57ab77db'/>
+      <elf-symbol name='sk_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2fdd9f2d'/>
+      <elf-symbol name='skb_add_rx_frag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa54cc37'/>
+      <elf-symbol name='skb_append' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd318fb71'/>
+      <elf-symbol name='skb_checksum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20839735'/>
+      <elf-symbol name='skb_checksum_help' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2433ecb0'/>
+      <elf-symbol name='skb_clone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8772fdd'/>
+      <elf-symbol name='skb_coalesce_rx_frag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2bd2b39'/>
+      <elf-symbol name='skb_copy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c3d3322'/>
+      <elf-symbol name='skb_copy_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3995075'/>
+      <elf-symbol name='skb_copy_datagram_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0c86acb'/>
+      <elf-symbol name='skb_copy_expand' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37519d34'/>
+      <elf-symbol name='skb_copy_ubufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x381cd82b'/>
+      <elf-symbol name='skb_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5597fe2'/>
+      <elf-symbol name='skb_dequeue_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7461cef'/>
+      <elf-symbol name='skb_free_datagram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc77bac1b'/>
+      <elf-symbol name='skb_page_frag_refill' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc280f6a2'/>
+      <elf-symbol name='skb_partial_csum_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ad29fa7'/>
+      <elf-symbol name='skb_pull' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfd426bd'/>
+      <elf-symbol name='skb_pull_rcsum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd205af5a'/>
+      <elf-symbol name='skb_push' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed6c86be'/>
+      <elf-symbol name='skb_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf2885e0'/>
+      <elf-symbol name='skb_queue_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9670821f'/>
+      <elf-symbol name='skb_queue_purge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf24d7b38'/>
+      <elf-symbol name='skb_queue_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe36a6fba'/>
+      <elf-symbol name='skb_realloc_headroom' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2cdc954'/>
+      <elf-symbol name='skb_recv_datagram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fca1e31'/>
+      <elf-symbol name='skb_set_owner_w' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb85adde9'/>
+      <elf-symbol name='skb_store_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ec8446c'/>
+      <elf-symbol name='skb_to_sgvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x839da12e'/>
+      <elf-symbol name='skb_trim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd5f2d3a'/>
+      <elf-symbol name='skb_tstamp_tx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8e841e7'/>
+      <elf-symbol name='skb_unlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x490b57fa'/>
+      <elf-symbol name='skcipher_alloc_instance_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78970516'/>
+      <elf-symbol name='skcipher_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69d8ae5e'/>
+      <elf-symbol name='skcipher_walk_aead_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b14999c'/>
+      <elf-symbol name='skcipher_walk_aead_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x405befa1'/>
+      <elf-symbol name='skcipher_walk_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd8edbe1'/>
+      <elf-symbol name='skcipher_walk_virt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38b953f7'/>
+      <elf-symbol name='skip_spaces' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0a91bab'/>
+      <elf-symbol name='smp_call_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0eae826'/>
+      <elf-symbol name='smp_call_function_many' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2df8e9a'/>
+      <elf-symbol name='smp_call_function_single' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6228c21f'/>
+      <elf-symbol name='smp_call_function_single_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a1cd340'/>
+      <elf-symbol name='smp_call_on_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x267df662'/>
+      <elf-symbol name='smpboot_register_percpu_thread' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac719edc'/>
+      <elf-symbol name='smpboot_unregister_percpu_thread' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca7f4ff4'/>
+      <elf-symbol name='snd_card_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabdbf3c1'/>
+      <elf-symbol name='snd_card_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c310601'/>
+      <elf-symbol name='snd_card_free_when_closed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20d02b3b'/>
+      <elf-symbol name='snd_card_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97a4c6c3'/>
+      <elf-symbol name='snd_card_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee36c15f'/>
+      <elf-symbol name='snd_card_rw_proc_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc8a2daf'/>
+      <elf-symbol name='snd_component_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9806d9b4'/>
+      <elf-symbol name='snd_compr_stop_error' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e39b1b2'/>
+      <elf-symbol name='snd_ctl_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0fe7bf0'/>
+      <elf-symbol name='snd_ctl_add_vmaster_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97105de1'/>
+      <elf-symbol name='snd_ctl_apply_vmaster_followers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77bc3cdf'/>
+      <elf-symbol name='snd_ctl_boolean_mono_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe48bbab3'/>
+      <elf-symbol name='snd_ctl_boolean_stereo_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7359e38'/>
+      <elf-symbol name='snd_ctl_enum_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc6a729f'/>
+      <elf-symbol name='snd_ctl_find_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bff6856'/>
+      <elf-symbol name='snd_ctl_make_virtual_master' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb85fb0b2'/>
+      <elf-symbol name='snd_ctl_new1' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8db69c9f'/>
+      <elf-symbol name='snd_ctl_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30b06760'/>
+      <elf-symbol name='snd_ctl_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34ba8d07'/>
+      <elf-symbol name='snd_ctl_sync_vmaster' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b8c7a1'/>
+      <elf-symbol name='snd_device_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cb7f6f8'/>
+      <elf-symbol name='snd_device_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3bbaf64'/>
+      <elf-symbol name='snd_device_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa51a408'/>
+      <elf-symbol name='snd_dma_alloc_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4a65267'/>
+      <elf-symbol name='snd_dma_free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x193c19db'/>
+      <elf-symbol name='snd_dmaengine_pcm_prepare_slave_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda125f15'/>
+      <elf-symbol name='snd_hwdep_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe134a490'/>
+      <elf-symbol name='snd_hwparams_to_dma_slave_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd25f28b6'/>
+      <elf-symbol name='snd_info_create_card_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71696aee'/>
+      <elf-symbol name='snd_jack_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a4e9f87'/>
+      <elf-symbol name='snd_jack_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9845ba2'/>
+      <elf-symbol name='snd_jack_set_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e29e641'/>
+      <elf-symbol name='snd_pci_quirk_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3e17434'/>
+      <elf-symbol name='snd_pcm_add_chmap_ctls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f6d65a0'/>
+      <elf-symbol name='snd_pcm_create_iec958_consumer_default' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x649892e8'/>
+      <elf-symbol name='snd_pcm_create_iec958_consumer_hw_params' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11eba48e'/>
+      <elf-symbol name='snd_pcm_fill_iec958_consumer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62aba51f'/>
+      <elf-symbol name='snd_pcm_fill_iec958_consumer_hw_params' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c407196'/>
+      <elf-symbol name='snd_pcm_format_physical_width' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68a24153'/>
+      <elf-symbol name='snd_pcm_format_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x834dc955'/>
+      <elf-symbol name='snd_pcm_format_width' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe56a9336'/>
+      <elf-symbol name='snd_pcm_hw_constraint_eld' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb558f49'/>
+      <elf-symbol name='snd_pcm_hw_constraint_integer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7109dd9'/>
+      <elf-symbol name='snd_pcm_hw_constraint_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13e0f138'/>
+      <elf-symbol name='snd_pcm_hw_constraint_minmax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x607e5e84'/>
+      <elf-symbol name='snd_pcm_hw_constraint_pow2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ff99022'/>
+      <elf-symbol name='snd_pcm_hw_constraint_step' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b55e2ec'/>
+      <elf-symbol name='snd_pcm_hw_limit_rates' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69255f54'/>
+      <elf-symbol name='snd_pcm_lib_default_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10a6f479'/>
+      <elf-symbol name='snd_pcm_lib_free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdd19e4d'/>
+      <elf-symbol name='snd_pcm_lib_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacb984d7'/>
+      <elf-symbol name='snd_pcm_lib_malloc_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95495b83'/>
+      <elf-symbol name='snd_pcm_lib_preallocate_free_for_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cdaff91'/>
+      <elf-symbol name='snd_pcm_lib_preallocate_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69901dc5'/>
+      <elf-symbol name='snd_pcm_lib_preallocate_pages_for_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbef027fd'/>
+      <elf-symbol name='snd_pcm_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc79fae33'/>
+      <elf-symbol name='snd_pcm_period_elapsed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f4cad80'/>
+      <elf-symbol name='snd_pcm_rate_range_to_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d864069'/>
+      <elf-symbol name='snd_pcm_rate_to_rate_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9638db4'/>
+      <elf-symbol name='snd_pcm_set_managed_buffer_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c8e21aa'/>
+      <elf-symbol name='snd_pcm_set_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfce24b16'/>
+      <elf-symbol name='snd_pcm_set_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35f8c8ac'/>
+      <elf-symbol name='snd_pcm_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dbe220e'/>
+      <elf-symbol name='snd_pcm_stop_xrun' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77a91e42'/>
+      <elf-symbol name='snd_pcm_stream_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76c01105'/>
+      <elf-symbol name='snd_pcm_stream_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d7dbb47'/>
+      <elf-symbol name='snd_pcm_stream_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe44f8323'/>
+      <elf-symbol name='snd_soc_add_card_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x106ad77d'/>
+      <elf-symbol name='snd_soc_add_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c6e355'/>
+      <elf-symbol name='snd_soc_add_component_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7519990f'/>
+      <elf-symbol name='snd_soc_add_dai_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84731b0'/>
+      <elf-symbol name='snd_soc_bytes_info_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdeba583'/>
+      <elf-symbol name='snd_soc_bytes_tlv_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc667e28'/>
+      <elf-symbol name='snd_soc_card_get_kcontrol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4932897'/>
+      <elf-symbol name='snd_soc_card_jack_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39344a05'/>
+      <elf-symbol name='snd_soc_component_async_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd64c2b99'/>
+      <elf-symbol name='snd_soc_component_disable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47eb12c8'/>
+      <elf-symbol name='snd_soc_component_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5396028d'/>
+      <elf-symbol name='snd_soc_component_exit_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ba3dd48'/>
+      <elf-symbol name='snd_soc_component_force_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56869a15'/>
+      <elf-symbol name='snd_soc_component_get_pin_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50604693'/>
+      <elf-symbol name='snd_soc_component_init_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x932cba66'/>
+      <elf-symbol name='snd_soc_component_initialize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bda6e3c'/>
+      <elf-symbol name='snd_soc_component_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73e51fd6'/>
+      <elf-symbol name='snd_soc_component_set_jack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5a94e21'/>
+      <elf-symbol name='snd_soc_component_set_pll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb12a5f4'/>
+      <elf-symbol name='snd_soc_component_set_sysclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c65e977'/>
+      <elf-symbol name='snd_soc_component_update_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0ab7cb6'/>
+      <elf-symbol name='snd_soc_component_update_bits_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26a56bca'/>
+      <elf-symbol name='snd_soc_component_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71c63bf3'/>
+      <elf-symbol name='snd_soc_dai_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x679ddf44'/>
+      <elf-symbol name='snd_soc_dai_get_channel_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x436ace5e'/>
+      <elf-symbol name='snd_soc_dai_link_set_capabilities' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf40cf96'/>
+      <elf-symbol name='snd_soc_dai_set_bclk_ratio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x151a81ee'/>
+      <elf-symbol name='snd_soc_dai_set_channel_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe14780a0'/>
+      <elf-symbol name='snd_soc_dai_set_clkdiv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79780981'/>
+      <elf-symbol name='snd_soc_dai_set_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe938bbe9'/>
+      <elf-symbol name='snd_soc_dai_set_pll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x888593b0'/>
+      <elf-symbol name='snd_soc_dai_set_sysclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51e8a4c5'/>
+      <elf-symbol name='snd_soc_dai_set_tdm_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e5517d1'/>
+      <elf-symbol name='snd_soc_dai_set_tristate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaff9f273'/>
+      <elf-symbol name='snd_soc_dapm_add_routes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5b5368'/>
+      <elf-symbol name='snd_soc_dapm_del_routes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60fc6cd8'/>
+      <elf-symbol name='snd_soc_dapm_disable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7361fb2a'/>
+      <elf-symbol name='snd_soc_dapm_disable_pin_unlocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13965536'/>
+      <elf-symbol name='snd_soc_dapm_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbdbc34b'/>
+      <elf-symbol name='snd_soc_dapm_force_bias_level' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33584b6c'/>
+      <elf-symbol name='snd_soc_dapm_force_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66ea3b71'/>
+      <elf-symbol name='snd_soc_dapm_force_enable_pin_unlocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x403de08a'/>
+      <elf-symbol name='snd_soc_dapm_get_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeaa520b1'/>
+      <elf-symbol name='snd_soc_dapm_get_pin_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96352724'/>
+      <elf-symbol name='snd_soc_dapm_get_pin_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf37bab5'/>
+      <elf-symbol name='snd_soc_dapm_get_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f611d79'/>
+      <elf-symbol name='snd_soc_dapm_ignore_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4d2e145'/>
+      <elf-symbol name='snd_soc_dapm_info_pin_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fe2f610'/>
+      <elf-symbol name='snd_soc_dapm_kcontrol_dapm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd990a98b'/>
+      <elf-symbol name='snd_soc_dapm_kcontrol_widget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93bc5239'/>
+      <elf-symbol name='snd_soc_dapm_mixer_update_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x164561a9'/>
+      <elf-symbol name='snd_soc_dapm_mux_update_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa047742d'/>
+      <elf-symbol name='snd_soc_dapm_new_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bf08b2b'/>
+      <elf-symbol name='snd_soc_dapm_new_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb151ca9'/>
+      <elf-symbol name='snd_soc_dapm_new_widgets' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe92d928d'/>
+      <elf-symbol name='snd_soc_dapm_put_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56e144f7'/>
+      <elf-symbol name='snd_soc_dapm_put_pin_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdd0e604'/>
+      <elf-symbol name='snd_soc_dapm_put_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18a9247f'/>
+      <elf-symbol name='snd_soc_dapm_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e9847ba'/>
+      <elf-symbol name='snd_soc_dapm_sync_unlocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8330a209'/>
+      <elf-symbol name='snd_soc_dapm_weak_routes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25399d2e'/>
+      <elf-symbol name='snd_soc_find_dai' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x316d3be1'/>
+      <elf-symbol name='snd_soc_get_dai_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9323b06'/>
+      <elf-symbol name='snd_soc_get_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x316320d6'/>
+      <elf-symbol name='snd_soc_get_pcm_runtime' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cd73d0a'/>
+      <elf-symbol name='snd_soc_get_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba0c9091'/>
+      <elf-symbol name='snd_soc_get_volsw_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa67ffbee'/>
+      <elf-symbol name='snd_soc_get_volsw_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ebe5d82'/>
+      <elf-symbol name='snd_soc_get_xr_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0891bb8'/>
+      <elf-symbol name='snd_soc_info_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c12b3d6'/>
+      <elf-symbol name='snd_soc_info_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a018054'/>
+      <elf-symbol name='snd_soc_info_volsw_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe21003dd'/>
+      <elf-symbol name='snd_soc_info_volsw_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7840bca'/>
+      <elf-symbol name='snd_soc_info_xr_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x355ed440'/>
+      <elf-symbol name='snd_soc_jack_add_gpios' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d3e9f9a'/>
+      <elf-symbol name='snd_soc_jack_add_zones' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac8af9bb'/>
+      <elf-symbol name='snd_soc_jack_get_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf32176a'/>
+      <elf-symbol name='snd_soc_jack_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cb582b0'/>
+      <elf-symbol name='snd_soc_lookup_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61d395e7'/>
+      <elf-symbol name='snd_soc_new_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9b41730'/>
+      <elf-symbol name='snd_soc_of_get_dai_link_codecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9885dae'/>
+      <elf-symbol name='snd_soc_of_get_dai_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe94f4097'/>
+      <elf-symbol name='snd_soc_of_parse_audio_routing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e9d950a'/>
+      <elf-symbol name='snd_soc_of_parse_audio_simple_widgets' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe44a273b'/>
+      <elf-symbol name='snd_soc_of_parse_aux_devs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9d852bf'/>
+      <elf-symbol name='snd_soc_of_parse_card_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4d5178d'/>
+      <elf-symbol name='snd_soc_of_parse_daifmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9c8fb9'/>
+      <elf-symbol name='snd_soc_of_parse_node_prefix' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea5998a9'/>
+      <elf-symbol name='snd_soc_of_parse_tdm_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12fdb1f8'/>
+      <elf-symbol name='snd_soc_of_put_dai_link_codecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cdd7c37'/>
+      <elf-symbol name='snd_soc_params_to_bclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb711ae7'/>
+      <elf-symbol name='snd_soc_params_to_frame_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8269f94'/>
+      <elf-symbol name='snd_soc_put_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe92f68d0'/>
+      <elf-symbol name='snd_soc_put_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dd1af32'/>
+      <elf-symbol name='snd_soc_put_volsw_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e33b3e8'/>
+      <elf-symbol name='snd_soc_put_volsw_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x453c3a19'/>
+      <elf-symbol name='snd_soc_put_xr_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5754241b'/>
+      <elf-symbol name='snd_soc_register_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91912fbf'/>
+      <elf-symbol name='snd_soc_register_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf71b28f3'/>
+      <elf-symbol name='snd_soc_rtdcom_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8039ca35'/>
+      <elf-symbol name='snd_soc_runtime_calc_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14489b6a'/>
+      <elf-symbol name='snd_soc_runtime_set_dai_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39eb4f55'/>
+      <elf-symbol name='snd_soc_set_runtime_hwparams' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb002703'/>
+      <elf-symbol name='snd_soc_tplg_component_load' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf51ec55c'/>
+      <elf-symbol name='snd_soc_tplg_component_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63965b0f'/>
+      <elf-symbol name='snd_soc_tplg_widget_bind_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb7a5b82'/>
+      <elf-symbol name='snd_soc_unregister_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec92f30b'/>
+      <elf-symbol name='snd_soc_unregister_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb292fa5c'/>
+      <elf-symbol name='snd_vendor_set_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e8300ae'/>
+      <elf-symbol name='snprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x656e4a6e'/>
+      <elf-symbol name='soc_device_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62a445e9'/>
+      <elf-symbol name='soc_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fc2bf3c'/>
+      <elf-symbol name='soc_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19c20269'/>
+      <elf-symbol name='sock_alloc_send_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa321690e'/>
+      <elf-symbol name='sock_create_kern' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a1c1d31'/>
+      <elf-symbol name='sock_efree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8731f5e3'/>
+      <elf-symbol name='sock_gettstamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ac7dea1'/>
+      <elf-symbol name='sock_init_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a9cd110'/>
+      <elf-symbol name='sock_no_accept' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59bdba87'/>
+      <elf-symbol name='sock_no_listen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x173da8b9'/>
+      <elf-symbol name='sock_no_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcea8eb2'/>
+      <elf-symbol name='sock_no_sendpage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x591f58d9'/>
+      <elf-symbol name='sock_no_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x513a210c'/>
+      <elf-symbol name='sock_no_socketpair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x720e0d5a'/>
+      <elf-symbol name='sock_queue_rcv_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x356f6cbb'/>
+      <elf-symbol name='sock_recvmsg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7791060c'/>
+      <elf-symbol name='sock_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16db6e34'/>
+      <elf-symbol name='sock_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1617ac1e'/>
+      <elf-symbol name='sock_setsockopt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7a8f870'/>
+      <elf-symbol name='sock_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62737e1d'/>
+      <elf-symbol name='sock_wfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4fbdbfc'/>
+      <elf-symbol name='sockfd_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9ebe3f9'/>
+      <elf-symbol name='sort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7c0f443'/>
+      <elf-symbol name='spi_bus_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81e1a40d'/>
+      <elf-symbol name='spi_bus_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5bcea72'/>
+      <elf-symbol name='spi_controller_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb8e768b'/>
+      <elf-symbol name='spi_controller_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24f73093'/>
+      <elf-symbol name='spi_delay_exec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76306859'/>
+      <elf-symbol name='spi_finalize_current_message' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe631f760'/>
+      <elf-symbol name='spi_finalize_current_transfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd96ff542'/>
+      <elf-symbol name='spi_get_next_queued_message' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5aef81c3'/>
+      <elf-symbol name='spi_register_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x794c97f6'/>
+      <elf-symbol name='spi_set_cs_timing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15ded9c5'/>
+      <elf-symbol name='spi_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x925a78ca'/>
+      <elf-symbol name='spi_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cf55935'/>
+      <elf-symbol name='spi_sync_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3968b2d0'/>
+      <elf-symbol name='spi_unregister_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd39c3259'/>
+      <elf-symbol name='spi_write_then_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59455dee'/>
+      <elf-symbol name='split_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cc39165'/>
+      <elf-symbol name='spmi_controller_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36c05459'/>
+      <elf-symbol name='spmi_controller_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85b06f46'/>
+      <elf-symbol name='spmi_controller_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8a8aaf8'/>
+      <elf-symbol name='spmi_ext_register_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e13ee57'/>
+      <elf-symbol name='spmi_ext_register_readl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x615ac52d'/>
+      <elf-symbol name='spmi_ext_register_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x423a8c67'/>
+      <elf-symbol name='spmi_ext_register_writel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9ffc43d'/>
+      <elf-symbol name='spmi_register_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x354be25'/>
+      <elf-symbol name='spmi_register_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d605deb'/>
+      <elf-symbol name='spmi_register_zero_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x302e44d1'/>
+      <elf-symbol name='sprint_symbol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x661601de'/>
+      <elf-symbol name='sprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c3ff9fd'/>
+      <elf-symbol name='srcu_init_notifier_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36d70b72'/>
+      <elf-symbol name='srcu_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa9d85fd'/>
+      <elf-symbol name='srcu_notifier_chain_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5dec381'/>
+      <elf-symbol name='srcu_notifier_chain_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc579925f'/>
+      <elf-symbol name='sscanf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcab6ee6'/>
+      <elf-symbol name='stack_trace_print' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa45c7b90'/>
+      <elf-symbol name='stack_trace_save' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bd1aa56'/>
+      <elf-symbol name='stack_trace_save_regs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc487eb56'/>
+      <elf-symbol name='stack_trace_save_tsk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b656ac5'/>
+      <elf-symbol name='static_key_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb912560d'/>
+      <elf-symbol name='static_key_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b2b69f7'/>
+      <elf-symbol name='static_key_slow_dec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f4880df'/>
+      <elf-symbol name='static_key_slow_inc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e92f7c4'/>
+      <elf-symbol name='stop_machine' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfc04014'/>
+      <elf-symbol name='stop_one_cpu_nowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb4465d4'/>
+      <elf-symbol name='store_sampling_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb061d126'/>
+      <elf-symbol name='stpcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4db35bc'/>
+      <elf-symbol name='strcasecmp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaafdc258'/>
+      <elf-symbol name='strcat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61651be'/>
+      <elf-symbol name='strchr' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x349cba85'/>
+      <elf-symbol name='strchrnul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceab0311'/>
+      <elf-symbol name='strcmp' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xe2d5255a'/>
+      <elf-symbol name='strcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe914e41e'/>
+      <elf-symbol name='strcspn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ac5d3cb'/>
+      <elf-symbol name='stream_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb0f8674'/>
+      <elf-symbol name='strim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77bc13a0'/>
+      <elf-symbol name='string_get_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48a91171'/>
+      <elf-symbol name='strlcat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9c0b663'/>
+      <elf-symbol name='strlcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5792f848'/>
+      <elf-symbol name='strlen' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x98cf60b3'/>
+      <elf-symbol name='strncasecmp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96b29254'/>
+      <elf-symbol name='strncat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e2b40d2'/>
+      <elf-symbol name='strnchr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4841bdee'/>
+      <elf-symbol name='strncmp' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x5a921311'/>
+      <elf-symbol name='strncpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9166fada'/>
+      <elf-symbol name='strncpy_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24428be5'/>
+      <elf-symbol name='strndup_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41482d8b'/>
+      <elf-symbol name='strnlen' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xa916b694'/>
+      <elf-symbol name='strnstr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc310b981'/>
+      <elf-symbol name='strpbrk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a1dfd65'/>
+      <elf-symbol name='strrchr' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x9f984513'/>
+      <elf-symbol name='strscpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd64e639'/>
+      <elf-symbol name='strscpy_pad' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbb8a761'/>
+      <elf-symbol name='strsep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85df9b6c'/>
+      <elf-symbol name='strspn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc29bf967'/>
+      <elf-symbol name='strstr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e6d26a8'/>
+      <elf-symbol name='submit_bio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd031c60a'/>
+      <elf-symbol name='submit_bio_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfc2a5c6'/>
+      <elf-symbol name='subsys_system_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8bbbc01f'/>
+      <elf-symbol name='suspend_set_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ab0c7e0'/>
+      <elf-symbol name='swiotlb_max_segment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b6b0329'/>
+      <elf-symbol name='symbol_put_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66d87d38'/>
+      <elf-symbol name='sync_file_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3f1336d'/>
+      <elf-symbol name='sync_file_get_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dca08ee'/>
+      <elf-symbol name='synchronize_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe523ad75'/>
+      <elf-symbol name='synchronize_net' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x609f1c7e'/>
+      <elf-symbol name='synchronize_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6091797f'/>
+      <elf-symbol name='synchronize_srcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98b0243a'/>
+      <elf-symbol name='syscon_node_to_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf69392b6'/>
+      <elf-symbol name='syscon_regmap_lookup_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb67639b'/>
+      <elf-symbol name='syscon_regmap_lookup_by_phandle_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf39e53f8'/>
+      <elf-symbol name='sysfs_add_file_to_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ab279d'/>
+      <elf-symbol name='sysfs_add_link_to_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd469448'/>
+      <elf-symbol name='sysfs_create_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26d61f65'/>
+      <elf-symbol name='sysfs_create_file_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc38a4c5f'/>
+      <elf-symbol name='sysfs_create_files' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0371306'/>
+      <elf-symbol name='sysfs_create_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb36277e6'/>
+      <elf-symbol name='sysfs_create_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba3967d8'/>
+      <elf-symbol name='sysfs_create_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d4ead16'/>
+      <elf-symbol name='sysfs_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe783e261'/>
+      <elf-symbol name='sysfs_emit_at' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99f2d00a'/>
+      <elf-symbol name='sysfs_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51c744c1'/>
+      <elf-symbol name='sysfs_remove_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22f48da2'/>
+      <elf-symbol name='sysfs_remove_file_from_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99350b92'/>
+      <elf-symbol name='sysfs_remove_file_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2967207'/>
+      <elf-symbol name='sysfs_remove_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3de88b'/>
+      <elf-symbol name='sysfs_remove_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf73be5a4'/>
+      <elf-symbol name='sysfs_remove_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33aafbc9'/>
+      <elf-symbol name='sysfs_remove_link_from_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbedd70e2'/>
+      <elf-symbol name='sysfs_streq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x222e7ce2'/>
+      <elf-symbol name='sysfs_update_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46cdb6b2'/>
+      <elf-symbol name='sysrq_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a17ed66'/>
+      <elf-symbol name='system_32bit_el0_cpumask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d43b425'/>
+      <elf-symbol name='task_active_pid_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ee3769'/>
+      <elf-symbol name='task_may_not_preempt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5009ea2'/>
+      <elf-symbol name='task_rq_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a2676e7'/>
+      <elf-symbol name='tasklet_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2364c85a'/>
+      <elf-symbol name='tasklet_kill' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea3c74e'/>
+      <elf-symbol name='tasklet_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa07d1b3c'/>
+      <elf-symbol name='tcp_register_congestion_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x379e8983'/>
+      <elf-symbol name='tcp_reno_cong_avoid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd35129f'/>
+      <elf-symbol name='tcp_reno_ssthresh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed1ab8bc'/>
+      <elf-symbol name='tcp_reno_undo_cwnd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd362c7c'/>
+      <elf-symbol name='tcp_slow_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e0c7823'/>
+      <elf-symbol name='tcp_unregister_congestion_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64bb4aa9'/>
+      <elf-symbol name='tcpci_get_tcpm_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe111953'/>
+      <elf-symbol name='tcpci_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f497a3c'/>
+      <elf-symbol name='tcpci_register_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x104013a9'/>
+      <elf-symbol name='tcpci_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc529e32e'/>
+      <elf-symbol name='tcpm_cc_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc37b9769'/>
+      <elf-symbol name='tcpm_is_toggling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd974a755'/>
+      <elf-symbol name='tcpm_pd_hard_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e0bd753'/>
+      <elf-symbol name='tcpm_pd_receive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb655342c'/>
+      <elf-symbol name='tcpm_pd_transmit_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b84657b'/>
+      <elf-symbol name='tcpm_register_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b444ea7'/>
+      <elf-symbol name='tcpm_sink_frs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10ec6d2d'/>
+      <elf-symbol name='tcpm_sourcing_vbus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb779665'/>
+      <elf-symbol name='tcpm_tcpc_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea220941'/>
+      <elf-symbol name='tcpm_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76eeda4b'/>
+      <elf-symbol name='tcpm_update_sink_capabilities' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x622a422a'/>
+      <elf-symbol name='tcpm_vbus_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceb50012'/>
+      <elf-symbol name='teo_cpu_get_util_threshold' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x482d3ad'/>
+      <elf-symbol name='teo_cpu_set_util_threshold' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba6e00b6'/>
+      <elf-symbol name='thermal_cdev_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86589204'/>
+      <elf-symbol name='thermal_cooling_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde010c14'/>
+      <elf-symbol name='thermal_cooling_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8669153'/>
+      <elf-symbol name='thermal_of_cooling_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c5802e1'/>
+      <elf-symbol name='thermal_zone_device_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bca054a'/>
+      <elf-symbol name='thermal_zone_device_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceb0a66f'/>
+      <elf-symbol name='thermal_zone_device_is_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbcf76e0'/>
+      <elf-symbol name='thermal_zone_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9d01c3f'/>
+      <elf-symbol name='thermal_zone_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f79f8b7'/>
+      <elf-symbol name='thermal_zone_device_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x474bf3f9'/>
+      <elf-symbol name='thermal_zone_get_slope' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96925b08'/>
+      <elf-symbol name='thermal_zone_get_temp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f2f9838'/>
+      <elf-symbol name='thermal_zone_get_zone_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba389733'/>
+      <elf-symbol name='thermal_zone_of_sensor_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x387e77d3'/>
+      <elf-symbol name='thermal_zone_of_sensor_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37a181df'/>
+      <elf-symbol name='thread_group_cputime_adjusted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6537dfc'/>
+      <elf-symbol name='tick_nohz_get_idle_calls_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2943498b'/>
+      <elf-symbol name='time64_to_tm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfff5afc'/>
+      <elf-symbol name='timecounter_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x862258db'/>
+      <elf-symbol name='timecounter_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f9e763b'/>
+      <elf-symbol name='topology_set_thermal_pressure' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea0dce63'/>
+      <elf-symbol name='touch_softlockup_watchdog' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fcb87a1'/>
+      <elf-symbol name='trace_define_field' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6dbba65'/>
+      <elf-symbol name='trace_event_buffer_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd98c9b52'/>
+      <elf-symbol name='trace_event_buffer_reserve' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab4e6242'/>
+      <elf-symbol name='trace_event_ignore_this_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c30a395'/>
+      <elf-symbol name='trace_event_raw_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57dbff01'/>
+      <elf-symbol name='trace_event_reg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6373e0b9'/>
+      <elf-symbol name='trace_handle_return' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7381287f'/>
+      <elf-symbol name='trace_output_call' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4326b02'/>
+      <elf-symbol name='trace_print_array_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3bc72ad'/>
+      <elf-symbol name='trace_print_bitmask_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a58dd2d'/>
+      <elf-symbol name='trace_print_flags_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99078b39'/>
+      <elf-symbol name='trace_print_hex_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe02ba436'/>
+      <elf-symbol name='trace_print_symbols_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc5c2df4'/>
+      <elf-symbol name='trace_raw_output_prep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1362397'/>
+      <elf-symbol name='trace_seq_printf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x525d0aa3'/>
+      <elf-symbol name='trace_seq_putc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b5f4377'/>
+      <elf-symbol name='trace_set_clr_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd217e9e6'/>
+      <elf-symbol name='tracepoint_probe_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95e102ab'/>
+      <elf-symbol name='tracepoint_probe_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbeeece6'/>
+      <elf-symbol name='try_module_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a986e4d'/>
+      <elf-symbol name='try_to_del_timer_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfaf9e645'/>
+      <elf-symbol name='try_wait_for_completion' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21ef374c'/>
+      <elf-symbol name='tty_flip_buffer_push' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a58bdfa'/>
+      <elf-symbol name='tty_hangup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3357c2f'/>
+      <elf-symbol name='tty_insert_flip_string_fixed_flag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5444360'/>
+      <elf-symbol name='tty_kref_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eeaaf66'/>
+      <elf-symbol name='tty_ldisc_deref' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x173ed60f'/>
+      <elf-symbol name='tty_ldisc_ref' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb38eed6d'/>
+      <elf-symbol name='tty_mode_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcbda9212'/>
+      <elf-symbol name='tty_port_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17882776'/>
+      <elf-symbol name='tty_port_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf04ac05'/>
+      <elf-symbol name='tty_port_hangup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8deed2'/>
+      <elf-symbol name='tty_port_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31c28b4d'/>
+      <elf-symbol name='tty_port_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80109ff'/>
+      <elf-symbol name='tty_port_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24d338'/>
+      <elf-symbol name='tty_port_tty_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a9f9977'/>
+      <elf-symbol name='tty_port_tty_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24b6264'/>
+      <elf-symbol name='tty_put_char' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x890cc594'/>
+      <elf-symbol name='tty_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50280815'/>
+      <elf-symbol name='tty_register_ldisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45b53343'/>
+      <elf-symbol name='tty_set_operations' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8f9317b'/>
+      <elf-symbol name='tty_standard_install' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca1e079d'/>
+      <elf-symbol name='tty_termios_baud_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x409873e3'/>
+      <elf-symbol name='tty_termios_copy_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30e74134'/>
+      <elf-symbol name='tty_termios_encode_baud_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5641485b'/>
+      <elf-symbol name='tty_termios_hw_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c257ac0'/>
+      <elf-symbol name='tty_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72c4945e'/>
+      <elf-symbol name='tty_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb56875'/>
+      <elf-symbol name='tty_unregister_ldisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa120d33c'/>
+      <elf-symbol name='tty_vhangup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1ea4bd2'/>
+      <elf-symbol name='typec_altmode2port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e18e409'/>
+      <elf-symbol name='typec_altmode_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5c54f2c'/>
+      <elf-symbol name='typec_altmode_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6865d55'/>
+      <elf-symbol name='typec_altmode_get_partner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa155ec9'/>
+      <elf-symbol name='typec_altmode_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bc6a6bb'/>
+      <elf-symbol name='typec_altmode_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbbc8940'/>
+      <elf-symbol name='typec_altmode_vdm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x250f5093'/>
+      <elf-symbol name='typec_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x734a9c4d'/>
+      <elf-symbol name='typec_get_negotiated_svdm_version' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a1eb1d6'/>
+      <elf-symbol name='typec_mux_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4a01a79'/>
+      <elf-symbol name='typec_mux_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75211948'/>
+      <elf-symbol name='typec_mux_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb7d8f08'/>
+      <elf-symbol name='typec_register_partner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1e2a5b4'/>
+      <elf-symbol name='typec_register_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dde72e1'/>
+      <elf-symbol name='typec_set_data_role' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f2c6469'/>
+      <elf-symbol name='typec_set_pwr_opmode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33fd62de'/>
+      <elf-symbol name='typec_set_pwr_role' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e2998e7'/>
+      <elf-symbol name='typec_switch_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cfc0407'/>
+      <elf-symbol name='typec_switch_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8209d06d'/>
+      <elf-symbol name='typec_switch_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75988fdd'/>
+      <elf-symbol name='typec_unregister_partner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cad8da6'/>
+      <elf-symbol name='typec_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda0a9c4c'/>
+      <elf-symbol name='u_audio_start_capture' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4bf3872'/>
+      <elf-symbol name='u_audio_start_playback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x495045b0'/>
+      <elf-symbol name='u_audio_stop_capture' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d40639c'/>
+      <elf-symbol name='u_audio_stop_playback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebb7594'/>
+      <elf-symbol name='uart_add_one_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf69e212f'/>
+      <elf-symbol name='uart_console_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7a6c86b'/>
+      <elf-symbol name='uart_console_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x927e1783'/>
+      <elf-symbol name='uart_get_baud_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40519c55'/>
+      <elf-symbol name='uart_get_divisor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4e11383'/>
+      <elf-symbol name='uart_handle_cts_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50470de2'/>
+      <elf-symbol name='uart_handle_dcd_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x608543cd'/>
+      <elf-symbol name='uart_insert_char' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c8d8fd4'/>
+      <elf-symbol name='uart_parse_earlycon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5a5c678'/>
+      <elf-symbol name='uart_parse_options' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f72a987'/>
+      <elf-symbol name='uart_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8636d50d'/>
+      <elf-symbol name='uart_remove_one_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca19ff35'/>
+      <elf-symbol name='uart_resume_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39b3e94a'/>
+      <elf-symbol name='uart_set_options' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1183b0f0'/>
+      <elf-symbol name='uart_suspend_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf31ec878'/>
+      <elf-symbol name='uart_try_toggle_sysrq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3286d5d2'/>
+      <elf-symbol name='uart_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82c84608'/>
+      <elf-symbol name='uart_update_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc01ff42f'/>
+      <elf-symbol name='uart_write_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19325384'/>
+      <elf-symbol name='uclamp_eff_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4ce9b76'/>
+      <elf-symbol name='udp4_hwcsum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x926044a'/>
+      <elf-symbol name='ufshcd_bkops_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cf39668'/>
+      <elf-symbol name='ufshcd_dme_configure_adapt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9cb95ea'/>
+      <elf-symbol name='ufshcd_dme_get_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82dc0d53'/>
+      <elf-symbol name='ufshcd_dme_set_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4117a8a7'/>
+      <elf-symbol name='ufshcd_dump_regs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5dc367e'/>
+      <elf-symbol name='ufshcd_get_local_unipro_ver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd110340'/>
+      <elf-symbol name='ufshcd_get_pwr_dev_param' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff85cd6b'/>
+      <elf-symbol name='ufshcd_hold' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10321d68'/>
+      <elf-symbol name='ufshcd_init_pwr_dev_param' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54c946de'/>
+      <elf-symbol name='ufshcd_pltfrm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb822d52'/>
+      <elf-symbol name='ufshcd_pltfrm_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x957282f'/>
+      <elf-symbol name='ufshcd_query_attr_retry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x483eb3a7'/>
+      <elf-symbol name='ufshcd_query_flag_retry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97500c2a'/>
+      <elf-symbol name='ufshcd_read_desc_param' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a47723e'/>
+      <elf-symbol name='ufshcd_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ed7eec1'/>
+      <elf-symbol name='ufshcd_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ba083a4'/>
+      <elf-symbol name='ufshcd_resume_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff2a1dbb'/>
+      <elf-symbol name='ufshcd_runtime_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a1ddb48'/>
+      <elf-symbol name='ufshcd_runtime_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef05d4c3'/>
+      <elf-symbol name='ufshcd_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76d14611'/>
+      <elf-symbol name='ufshcd_suspend_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b85b8cf'/>
+      <elf-symbol name='ufshcd_system_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d9ffaa5'/>
+      <elf-symbol name='ufshcd_system_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3179c827'/>
+      <elf-symbol name='ufshcd_uic_hibern8_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3ca25c'/>
+      <elf-symbol name='ufshcd_uic_hibern8_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff5643e0'/>
+      <elf-symbol name='uio_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7b369ad'/>
+      <elf-symbol name='unlock_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7069c12'/>
+      <elf-symbol name='unmap_mapping_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeaab9fd0'/>
+      <elf-symbol name='unpin_user_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb44a305'/>
+      <elf-symbol name='unpin_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39f11fe3'/>
+      <elf-symbol name='unpin_user_pages_dirty_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ccea16b'/>
+      <elf-symbol name='unregister_blkdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5a459dc'/>
+      <elf-symbol name='unregister_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7f702cc'/>
+      <elf-symbol name='unregister_chrdev_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6091b333'/>
+      <elf-symbol name='unregister_filesystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x920c11a9'/>
+      <elf-symbol name='unregister_inet6addr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2fe252cc'/>
+      <elf-symbol name='unregister_inetaddr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe029963'/>
+      <elf-symbol name='unregister_kretprobe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d4d68a0'/>
+      <elf-symbol name='unregister_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5dcbf1a4'/>
+      <elf-symbol name='unregister_netdevice_many' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fdecc31'/>
+      <elf-symbol name='unregister_netdevice_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d0d6206'/>
+      <elf-symbol name='unregister_netdevice_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9eadb81'/>
+      <elf-symbol name='unregister_netevent_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fe1eddf'/>
+      <elf-symbol name='unregister_oom_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc617f82c'/>
+      <elf-symbol name='unregister_pernet_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee5cceec'/>
+      <elf-symbol name='unregister_pernet_subsys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c33b0ac'/>
+      <elf-symbol name='unregister_pm_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7681946c'/>
+      <elf-symbol name='unregister_reboot_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac1a55be'/>
+      <elf-symbol name='unregister_restart_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40d59096'/>
+      <elf-symbol name='unregister_rpmsg_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x468befaf'/>
+      <elf-symbol name='unregister_shrinker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbac9a1c6'/>
+      <elf-symbol name='unregister_syscore_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa1eb910'/>
+      <elf-symbol name='unregister_sysctl_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd691c6a9'/>
+      <elf-symbol name='unregister_virtio_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55dac545'/>
+      <elf-symbol name='unregister_virtio_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62dad95a'/>
+      <elf-symbol name='unregister_vmap_purge_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7c69a63'/>
+      <elf-symbol name='up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf2a6966'/>
+      <elf-symbol name='up_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b50e951'/>
+      <elf-symbol name='up_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20d81059'/>
+      <elf-symbol name='update_devfreq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8ef30e9'/>
+      <elf-symbol name='update_rq_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdb39ecb'/>
+      <elf-symbol name='usb_add_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x639c6cd3'/>
+      <elf-symbol name='usb_add_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdc2ec3a'/>
+      <elf-symbol name='usb_add_gadget_udc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99326de7'/>
+      <elf-symbol name='usb_add_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b74b49a'/>
+      <elf-symbol name='usb_add_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e824b0c'/>
+      <elf-symbol name='usb_add_phy_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee32d09d'/>
+      <elf-symbol name='usb_alloc_coherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e9ab56c'/>
+      <elf-symbol name='usb_alloc_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ed07b36'/>
+      <elf-symbol name='usb_alloc_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c528f53'/>
+      <elf-symbol name='usb_amd_dev_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9b9df41'/>
+      <elf-symbol name='usb_amd_prefetch_quirk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd87fc0a0'/>
+      <elf-symbol name='usb_amd_quirk_pll_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf4014ff'/>
+      <elf-symbol name='usb_amd_quirk_pll_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc825d6c'/>
+      <elf-symbol name='usb_amd_quirk_pll_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10ecc52c'/>
+      <elf-symbol name='usb_anchor_empty' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e8d8619'/>
+      <elf-symbol name='usb_anchor_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1466849'/>
+      <elf-symbol name='usb_assign_descriptors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd160d76'/>
+      <elf-symbol name='usb_autopm_get_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f215e11'/>
+      <elf-symbol name='usb_autopm_get_interface_no_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64bc0894'/>
+      <elf-symbol name='usb_autopm_put_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d475e81'/>
+      <elf-symbol name='usb_bulk_msg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34189573'/>
+      <elf-symbol name='usb_calc_bus_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e64181d'/>
+      <elf-symbol name='usb_clear_halt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e921009'/>
+      <elf-symbol name='usb_composite_overwrite_options' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbceb6d2f'/>
+      <elf-symbol name='usb_composite_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15162d36'/>
+      <elf-symbol name='usb_composite_setup_continue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf27bbedc'/>
+      <elf-symbol name='usb_composite_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79504b66'/>
+      <elf-symbol name='usb_control_msg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9872acd9'/>
+      <elf-symbol name='usb_copy_descriptors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e09263f'/>
+      <elf-symbol name='usb_create_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8e48bc3'/>
+      <elf-symbol name='usb_create_shared_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7a99146'/>
+      <elf-symbol name='usb_del_gadget_udc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4039d63b'/>
+      <elf-symbol name='usb_deregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fdca8d3'/>
+      <elf-symbol name='usb_deregister_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa07c7502'/>
+      <elf-symbol name='usb_disable_autosuspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6898a4d2'/>
+      <elf-symbol name='usb_disabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19a304ba'/>
+      <elf-symbol name='usb_driver_claim_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37f204ee'/>
+      <elf-symbol name='usb_driver_release_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b827e3f'/>
+      <elf-symbol name='usb_enable_autosuspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6315ada8'/>
+      <elf-symbol name='usb_ep_alloc_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x880d48e4'/>
+      <elf-symbol name='usb_ep_autoconfig' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8457a85'/>
+      <elf-symbol name='usb_ep_autoconfig_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x248aefe4'/>
+      <elf-symbol name='usb_ep_autoconfig_ss' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x906ea3f1'/>
+      <elf-symbol name='usb_ep_clear_halt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9370b708'/>
+      <elf-symbol name='usb_ep_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbadfaba7'/>
+      <elf-symbol name='usb_ep_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1aec8cdd'/>
+      <elf-symbol name='usb_ep_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dbea237'/>
+      <elf-symbol name='usb_ep_fifo_flush' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa50158bd'/>
+      <elf-symbol name='usb_ep_fifo_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4408f42c'/>
+      <elf-symbol name='usb_ep_free_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d6766db'/>
+      <elf-symbol name='usb_ep_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4616fc7'/>
+      <elf-symbol name='usb_ep_set_halt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8310b89e'/>
+      <elf-symbol name='usb_ep_set_maxpacket_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77ec757b'/>
+      <elf-symbol name='usb_find_common_endpoints' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eae8dfd'/>
+      <elf-symbol name='usb_find_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc74c5192'/>
+      <elf-symbol name='usb_free_all_descriptors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x265ae595'/>
+      <elf-symbol name='usb_free_coherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36a50789'/>
+      <elf-symbol name='usb_free_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2084a20'/>
+      <elf-symbol name='usb_function_activate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66cbd2e1'/>
+      <elf-symbol name='usb_function_deactivate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38461c35'/>
+      <elf-symbol name='usb_function_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0177e42'/>
+      <elf-symbol name='usb_function_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa32ee667'/>
+      <elf-symbol name='usb_gadget_activate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83462132'/>
+      <elf-symbol name='usb_gadget_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f35e2b3'/>
+      <elf-symbol name='usb_gadget_deactivate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37831789'/>
+      <elf-symbol name='usb_gadget_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ab602e0'/>
+      <elf-symbol name='usb_gadget_frame_number' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ce51b3a'/>
+      <elf-symbol name='usb_gadget_giveback_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cfd9348'/>
+      <elf-symbol name='usb_gadget_map_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17f2131f'/>
+      <elf-symbol name='usb_gadget_probe_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf21330f5'/>
+      <elf-symbol name='usb_gadget_set_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x758e4518'/>
+      <elf-symbol name='usb_gadget_unmap_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x515e7322'/>
+      <elf-symbol name='usb_gadget_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c4b2a51'/>
+      <elf-symbol name='usb_gadget_vbus_draw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x934b6bb9'/>
+      <elf-symbol name='usb_get_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4af59345'/>
+      <elf-symbol name='usb_get_dr_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x125d9dc5'/>
+      <elf-symbol name='usb_get_from_anchor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e3df6ce'/>
+      <elf-symbol name='usb_get_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0a9b97a'/>
+      <elf-symbol name='usb_get_function_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec2c225c'/>
+      <elf-symbol name='usb_get_gadget_udc_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50b88f41'/>
+      <elf-symbol name='usb_get_intf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec82808'/>
+      <elf-symbol name='usb_get_maximum_speed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeab4fb76'/>
+      <elf-symbol name='usb_gstrings_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e317566'/>
+      <elf-symbol name='usb_hc_died' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f3e7f52'/>
+      <elf-symbol name='usb_hcd_check_unlink_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x201c5313'/>
+      <elf-symbol name='usb_hcd_giveback_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2c840d0'/>
+      <elf-symbol name='usb_hcd_is_primary_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42c9e5da'/>
+      <elf-symbol name='usb_hcd_link_urb_to_ep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22bb556b'/>
+      <elf-symbol name='usb_hcd_map_urb_for_dma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87e730a0'/>
+      <elf-symbol name='usb_hcd_pci_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcc7232f'/>
+      <elf-symbol name='usb_hcd_pci_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa9f1260'/>
+      <elf-symbol name='usb_hcd_pci_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32fb938b'/>
+      <elf-symbol name='usb_hcd_platform_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5630a5bf'/>
+      <elf-symbol name='usb_hcd_poll_rh_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3637c11'/>
+      <elf-symbol name='usb_hcd_resume_root_hub' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdb21aab'/>
+      <elf-symbol name='usb_hcd_unlink_urb_from_ep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13e8cd8'/>
+      <elf-symbol name='usb_hcd_unmap_urb_for_dma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c6cd69a'/>
+      <elf-symbol name='usb_hub_clear_tt_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55c68a8d'/>
+      <elf-symbol name='usb_hub_find_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc52ff39'/>
+      <elf-symbol name='usb_ifnum_to_if' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38cdd89f'/>
+      <elf-symbol name='usb_interface_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69bb6c73'/>
+      <elf-symbol name='usb_interrupt_msg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f9fa696'/>
+      <elf-symbol name='usb_kill_anchored_urbs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x962c8ae1'/>
+      <elf-symbol name='usb_kill_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x444948da'/>
+      <elf-symbol name='usb_match_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9076acb8'/>
+      <elf-symbol name='usb_match_one_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7482e85'/>
+      <elf-symbol name='usb_os_desc_prepare_interf_dir' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7fdb1f6'/>
+      <elf-symbol name='usb_otg_state_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f0d9053'/>
+      <elf-symbol name='usb_phy_set_charger_current' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x151d5080'/>
+      <elf-symbol name='usb_poison_anchored_urbs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x842f046d'/>
+      <elf-symbol name='usb_poison_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc7f296b'/>
+      <elf-symbol name='usb_put_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3f609c4'/>
+      <elf-symbol name='usb_put_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdafb30e3'/>
+      <elf-symbol name='usb_put_function_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fae885e'/>
+      <elf-symbol name='usb_put_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd49217b3'/>
+      <elf-symbol name='usb_put_intf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe22af6c'/>
+      <elf-symbol name='usb_queue_reset_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0b6ec9c'/>
+      <elf-symbol name='usb_register_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3119ca30'/>
+      <elf-symbol name='usb_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x550c04a8'/>
+      <elf-symbol name='usb_register_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89bbafc6'/>
+      <elf-symbol name='usb_remove_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5136b365'/>
+      <elf-symbol name='usb_remove_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c55bd6b'/>
+      <elf-symbol name='usb_remove_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92d96070'/>
+      <elf-symbol name='usb_reset_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa22d9098'/>
+      <elf-symbol name='usb_role_switch_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50b12f1d'/>
+      <elf-symbol name='usb_role_switch_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1690b503'/>
+      <elf-symbol name='usb_role_switch_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9fd634a'/>
+      <elf-symbol name='usb_role_switch_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3351595'/>
+      <elf-symbol name='usb_role_switch_set_role' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5474690'/>
+      <elf-symbol name='usb_role_switch_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2882d40e'/>
+      <elf-symbol name='usb_root_hub_lost_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d185c90'/>
+      <elf-symbol name='usb_scuttle_anchored_urbs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x807766ea'/>
+      <elf-symbol name='usb_set_device_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8744b93'/>
+      <elf-symbol name='usb_set_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56e068d2'/>
+      <elf-symbol name='usb_show_dynids' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc17e9946'/>
+      <elf-symbol name='usb_speed_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77ae495d'/>
+      <elf-symbol name='usb_store_new_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ff78206'/>
+      <elf-symbol name='usb_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdc51af4'/>
+      <elf-symbol name='usb_string_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x218ac5c2'/>
+      <elf-symbol name='usb_string_ids_tab' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc915e708'/>
+      <elf-symbol name='usb_submit_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6427dece'/>
+      <elf-symbol name='usb_udc_vbus_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3276732e'/>
+      <elf-symbol name='usb_unanchor_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b47c0b0'/>
+      <elf-symbol name='usb_unlink_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x103bbc73'/>
+      <elf-symbol name='usb_unpoison_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84096ddb'/>
+      <elf-symbol name='usb_unregister_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x811dc334'/>
+      <elf-symbol name='usb_wakeup_enabled_descendants' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4207cfde'/>
+      <elf-symbol name='usbnet_change_mtu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f8f8c9a'/>
+      <elf-symbol name='usbnet_defer_kevent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbcec65e'/>
+      <elf-symbol name='usbnet_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2b6e561'/>
+      <elf-symbol name='usbnet_get_drvinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x743ef93d'/>
+      <elf-symbol name='usbnet_get_endpoints' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d6af2f1'/>
+      <elf-symbol name='usbnet_get_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x294d5eee'/>
+      <elf-symbol name='usbnet_get_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa624a3f6'/>
+      <elf-symbol name='usbnet_get_msglevel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f762cdd'/>
+      <elf-symbol name='usbnet_get_stats64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61bc960c'/>
+      <elf-symbol name='usbnet_link_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x588f5687'/>
+      <elf-symbol name='usbnet_nway_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c8cc556'/>
+      <elf-symbol name='usbnet_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3edf80a'/>
+      <elf-symbol name='usbnet_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe55ce1e'/>
+      <elf-symbol name='usbnet_read_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23039828'/>
+      <elf-symbol name='usbnet_read_cmd_nopm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27f28519'/>
+      <elf-symbol name='usbnet_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16d7e920'/>
+      <elf-symbol name='usbnet_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0f72da3'/>
+      <elf-symbol name='usbnet_set_msglevel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d1605e2'/>
+      <elf-symbol name='usbnet_skb_return' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7268287b'/>
+      <elf-symbol name='usbnet_start_xmit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd739b1'/>
+      <elf-symbol name='usbnet_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2093681c'/>
+      <elf-symbol name='usbnet_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1258e82d'/>
+      <elf-symbol name='usbnet_tx_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x202e720a'/>
+      <elf-symbol name='usbnet_update_max_qlen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fdab647'/>
+      <elf-symbol name='usbnet_write_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98f86fd6'/>
+      <elf-symbol name='usbnet_write_cmd_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca187e7f'/>
+      <elf-symbol name='usbnet_write_cmd_nopm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d018a54'/>
+      <elf-symbol name='usleep_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12a38747'/>
+      <elf-symbol name='uuid_gen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69e683de'/>
+      <elf-symbol name='v4l2_async_notifier_add_fwnode_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb843fa'/>
+      <elf-symbol name='v4l2_async_notifier_add_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29a33109'/>
+      <elf-symbol name='v4l2_async_notifier_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedf7ed0d'/>
+      <elf-symbol name='v4l2_async_notifier_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59c02083'/>
+      <elf-symbol name='v4l2_async_notifier_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa46c5a40'/>
+      <elf-symbol name='v4l2_async_notifier_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c5d80db'/>
+      <elf-symbol name='v4l2_async_register_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf11a140b'/>
+      <elf-symbol name='v4l2_async_subdev_notifier_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1f49ae9'/>
+      <elf-symbol name='v4l2_async_unregister_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a875efa'/>
+      <elf-symbol name='v4l2_ctrl_activate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14beecaf'/>
+      <elf-symbol name='v4l2_ctrl_add_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5af250a6'/>
+      <elf-symbol name='v4l2_ctrl_cluster' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f7466f7'/>
+      <elf-symbol name='v4l2_ctrl_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa929fc6c'/>
+      <elf-symbol name='v4l2_ctrl_g_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae2ae38d'/>
+      <elf-symbol name='v4l2_ctrl_g_ctrl_int64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c0011db'/>
+      <elf-symbol name='v4l2_ctrl_get_menu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x315de2cf'/>
+      <elf-symbol name='v4l2_ctrl_handler_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x596e376a'/>
+      <elf-symbol name='v4l2_ctrl_handler_init_class' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf138a392'/>
+      <elf-symbol name='v4l2_ctrl_handler_log_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87f69a89'/>
+      <elf-symbol name='v4l2_ctrl_handler_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b39177e'/>
+      <elf-symbol name='v4l2_ctrl_log_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc40e519a'/>
+      <elf-symbol name='v4l2_ctrl_new_custom' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x491c6428'/>
+      <elf-symbol name='v4l2_ctrl_new_int_menu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9219a1b8'/>
+      <elf-symbol name='v4l2_ctrl_new_std' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cf75d86'/>
+      <elf-symbol name='v4l2_ctrl_new_std_menu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44f35d81'/>
+      <elf-symbol name='v4l2_ctrl_new_std_menu_items' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e3e19d'/>
+      <elf-symbol name='v4l2_ctrl_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x198ccdbb'/>
+      <elf-symbol name='v4l2_ctrl_query_fill' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89e3897d'/>
+      <elf-symbol name='v4l2_ctrl_radio_filter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58c65e9a'/>
+      <elf-symbol name='v4l2_ctrl_subdev_log_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeda64997'/>
+      <elf-symbol name='v4l2_ctrl_subdev_subscribe_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2eb8cbf2'/>
+      <elf-symbol name='v4l2_ctrl_subscribe_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc87b526f'/>
+      <elf-symbol name='v4l2_device_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76db2c0b'/>
+      <elf-symbol name='v4l2_device_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0cc9a88'/>
+      <elf-symbol name='v4l2_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ce6652d'/>
+      <elf-symbol name='v4l2_device_register_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1443976e'/>
+      <elf-symbol name='v4l2_device_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec74c0c6'/>
+      <elf-symbol name='v4l2_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5bf0ee6'/>
+      <elf-symbol name='v4l2_device_unregister_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7a5655d'/>
+      <elf-symbol name='v4l2_enum_dv_timings_cap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x922ecd29'/>
+      <elf-symbol name='v4l2_event_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41ac8428'/>
+      <elf-symbol name='v4l2_event_subdev_unsubscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3bf9814a'/>
+      <elf-symbol name='v4l2_event_subscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a03aa4a'/>
+      <elf-symbol name='v4l2_event_unsubscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd1ab7b2'/>
+      <elf-symbol name='v4l2_fh_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1201d802'/>
+      <elf-symbol name='v4l2_fh_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda0104fc'/>
+      <elf-symbol name='v4l2_fh_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e626b62'/>
+      <elf-symbol name='v4l2_fh_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea0e84d8'/>
+      <elf-symbol name='v4l2_fh_is_singular' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9e530d'/>
+      <elf-symbol name='v4l2_fh_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51b66bb2'/>
+      <elf-symbol name='v4l2_fh_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1eb3381b'/>
+      <elf-symbol name='v4l2_find_dv_timings_cap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aa68d7a'/>
+      <elf-symbol name='v4l2_i2c_new_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cbe1533'/>
+      <elf-symbol name='v4l2_i2c_subdev_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fadc801'/>
+      <elf-symbol name='v4l2_m2m_buf_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5073aeba'/>
+      <elf-symbol name='v4l2_m2m_buf_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5adf7b01'/>
+      <elf-symbol name='v4l2_m2m_ctx_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10c72f94'/>
+      <elf-symbol name='v4l2_m2m_ctx_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74ec3c4c'/>
+      <elf-symbol name='v4l2_m2m_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1cea5834'/>
+      <elf-symbol name='v4l2_m2m_fop_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7420f5a0'/>
+      <elf-symbol name='v4l2_m2m_fop_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb4a0bfe'/>
+      <elf-symbol name='v4l2_m2m_get_curr_priv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x459e133f'/>
+      <elf-symbol name='v4l2_m2m_get_vq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96871bcd'/>
+      <elf-symbol name='v4l2_m2m_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x730f2eae'/>
+      <elf-symbol name='v4l2_m2m_ioctl_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x675b17e5'/>
+      <elf-symbol name='v4l2_m2m_ioctl_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38677e6d'/>
+      <elf-symbol name='v4l2_m2m_ioctl_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8c4db07'/>
+      <elf-symbol name='v4l2_m2m_ioctl_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92cd7bdd'/>
+      <elf-symbol name='v4l2_m2m_ioctl_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ec730c1'/>
+      <elf-symbol name='v4l2_m2m_job_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15b26329'/>
+      <elf-symbol name='v4l2_m2m_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xede0cc29'/>
+      <elf-symbol name='v4l2_m2m_next_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bdfc7e7'/>
+      <elf-symbol name='v4l2_m2m_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87714d35'/>
+      <elf-symbol name='v4l2_m2m_qbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc67ea5ac'/>
+      <elf-symbol name='v4l2_m2m_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb89169bd'/>
+      <elf-symbol name='v4l2_m2m_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6fca5ad'/>
+      <elf-symbol name='v4l2_m2m_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda8845a1'/>
+      <elf-symbol name='v4l2_m2m_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc93359'/>
+      <elf-symbol name='v4l2_m2m_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a3a358a'/>
+      <elf-symbol name='v4l2_m2m_try_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f13bf68'/>
+      <elf-symbol name='v4l2_match_dv_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd034392d'/>
+      <elf-symbol name='v4l2_mc_create_media_graph' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93a1b4ed'/>
+      <elf-symbol name='v4l2_pipeline_link_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6fd841b'/>
+      <elf-symbol name='v4l2_pipeline_pm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50e7cf71'/>
+      <elf-symbol name='v4l2_pipeline_pm_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33c5136b'/>
+      <elf-symbol name='v4l2_print_dv_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8402862'/>
+      <elf-symbol name='v4l2_querymenu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x325790b3'/>
+      <elf-symbol name='v4l2_s_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x180f552d'/>
+      <elf-symbol name='v4l2_simplify_fraction' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad5c3c93'/>
+      <elf-symbol name='v4l2_src_change_event_subdev_subscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb64f18aa'/>
+      <elf-symbol name='v4l2_src_change_event_subscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd00fdfad'/>
+      <elf-symbol name='v4l2_subdev_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18d66016'/>
+      <elf-symbol name='v4l2_subdev_link_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a4d82b2'/>
+      <elf-symbol name='v4l2_subdev_notify_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b8e57f4'/>
+      <elf-symbol name='v4l2_valid_dv_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf3d134'/>
+      <elf-symbol name='v4l_bound_align_image' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5ef842e'/>
+      <elf-symbol name='v4l_disable_media_source' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3424db59'/>
+      <elf-symbol name='v4l_enable_media_source' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeda7ad9'/>
+      <elf-symbol name='vb2_buffer_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf3d299a'/>
+      <elf-symbol name='vb2_create_framevec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa21fa765'/>
+      <elf-symbol name='vb2_destroy_framevec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccd197c7'/>
+      <elf-symbol name='vb2_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6f35f3'/>
+      <elf-symbol name='vb2_fop_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d6ea285'/>
+      <elf-symbol name='vb2_fop_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2dc3689'/>
+      <elf-symbol name='vb2_fop_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb25fe423'/>
+      <elf-symbol name='vb2_fop_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70e6212b'/>
+      <elf-symbol name='vb2_ioctl_create_bufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dd9be02'/>
+      <elf-symbol name='vb2_ioctl_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf08765'/>
+      <elf-symbol name='vb2_ioctl_expbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x798fccc4'/>
+      <elf-symbol name='vb2_ioctl_prepare_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c8b337'/>
+      <elf-symbol name='vb2_ioctl_qbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ff16b0b'/>
+      <elf-symbol name='vb2_ioctl_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe91795fd'/>
+      <elf-symbol name='vb2_ioctl_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebcd05c6'/>
+      <elf-symbol name='vb2_ioctl_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6736a14'/>
+      <elf-symbol name='vb2_ioctl_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4fb8aad'/>
+      <elf-symbol name='vb2_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f37dc59'/>
+      <elf-symbol name='vb2_ops_wait_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfead5cd2'/>
+      <elf-symbol name='vb2_ops_wait_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x402d778f'/>
+      <elf-symbol name='vb2_plane_cookie' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x695dca84'/>
+      <elf-symbol name='vb2_plane_vaddr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a058011'/>
+      <elf-symbol name='vb2_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0b324ce'/>
+      <elf-symbol name='vb2_prepare_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3418e586'/>
+      <elf-symbol name='vb2_qbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabdf70bc'/>
+      <elf-symbol name='vb2_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5d81fb5'/>
+      <elf-symbol name='vb2_queue_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2eca141c'/>
+      <elf-symbol name='vb2_queue_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40d40a05'/>
+      <elf-symbol name='vb2_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cbe0349'/>
+      <elf-symbol name='vb2_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7bcc7e4d'/>
+      <elf-symbol name='vb2_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee40a1ca'/>
+      <elf-symbol name='vb2_video_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x766aafe1'/>
+      <elf-symbol name='vb2_wait_for_all_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfab1cdd'/>
+      <elf-symbol name='vchan_dma_desc_free_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf47f5ac1'/>
+      <elf-symbol name='vchan_find_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd970aac9'/>
+      <elf-symbol name='vchan_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f555de5'/>
+      <elf-symbol name='vchan_tx_desc_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd303f18'/>
+      <elf-symbol name='vchan_tx_submit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9abce7a0'/>
+      <elf-symbol name='vfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x999e8297'/>
+      <elf-symbol name='vfs_fsync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccaa9bb9'/>
+      <elf-symbol name='video_devdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d86f058'/>
+      <elf-symbol name='video_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4ef3c14'/>
+      <elf-symbol name='video_device_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23e687be'/>
+      <elf-symbol name='video_device_release_empty' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa575c8e7'/>
+      <elf-symbol name='video_ioctl2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b2ef5c5'/>
+      <elf-symbol name='video_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x428c18ba'/>
+      <elf-symbol name='videomode_from_timing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1d8004a'/>
+      <elf-symbol name='videomode_from_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x414d119a'/>
+      <elf-symbol name='virtio_break_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3644a8f6'/>
+      <elf-symbol name='virtio_check_driver_offered_feature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd342ffe0'/>
+      <elf-symbol name='virtio_config_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56cf5dd5'/>
+      <elf-symbol name='virtio_device_freeze' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30e64997'/>
+      <elf-symbol name='virtio_device_restore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1330833'/>
+      <elf-symbol name='virtio_max_dma_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77bdcdb1'/>
+      <elf-symbol name='virtio_transport_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3bf261f7'/>
+      <elf-symbol name='virtio_transport_deliver_tap_pkt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe39cca8e'/>
+      <elf-symbol name='virtio_transport_destruct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb579b472'/>
+      <elf-symbol name='virtio_transport_dgram_allow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbabd30f5'/>
+      <elf-symbol name='virtio_transport_dgram_bind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc856da22'/>
+      <elf-symbol name='virtio_transport_dgram_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f18427c'/>
+      <elf-symbol name='virtio_transport_dgram_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe8a4358'/>
+      <elf-symbol name='virtio_transport_do_socket_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4369811'/>
+      <elf-symbol name='virtio_transport_free_pkt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe06cb022'/>
+      <elf-symbol name='virtio_transport_notify_buffer_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e39d853'/>
+      <elf-symbol name='virtio_transport_notify_poll_in' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97b7551f'/>
+      <elf-symbol name='virtio_transport_notify_poll_out' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2eaec38'/>
+      <elf-symbol name='virtio_transport_notify_recv_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99ec5ff7'/>
+      <elf-symbol name='virtio_transport_notify_recv_post_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd87b2f4b'/>
+      <elf-symbol name='virtio_transport_notify_recv_pre_block' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f0be7ea'/>
+      <elf-symbol name='virtio_transport_notify_recv_pre_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeaacd0d'/>
+      <elf-symbol name='virtio_transport_notify_send_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e3a07c7'/>
+      <elf-symbol name='virtio_transport_notify_send_post_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56ccb160'/>
+      <elf-symbol name='virtio_transport_notify_send_pre_block' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ec27068'/>
+      <elf-symbol name='virtio_transport_notify_send_pre_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc4dc9fc'/>
+      <elf-symbol name='virtio_transport_recv_pkt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2b9d52f'/>
+      <elf-symbol name='virtio_transport_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9c649aa'/>
+      <elf-symbol name='virtio_transport_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd41cfc8e'/>
+      <elf-symbol name='virtio_transport_stream_allow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a81e69'/>
+      <elf-symbol name='virtio_transport_stream_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac02f3bd'/>
+      <elf-symbol name='virtio_transport_stream_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c001119'/>
+      <elf-symbol name='virtio_transport_stream_has_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ce6c1a0'/>
+      <elf-symbol name='virtio_transport_stream_has_space' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a417469'/>
+      <elf-symbol name='virtio_transport_stream_is_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabfc8935'/>
+      <elf-symbol name='virtio_transport_stream_rcvhiwat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4b8f8db'/>
+      <elf-symbol name='virtqueue_add_inbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6da7b7dd'/>
+      <elf-symbol name='virtqueue_add_inbuf_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10ef4892'/>
+      <elf-symbol name='virtqueue_add_outbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d3ad9c6'/>
+      <elf-symbol name='virtqueue_add_sgs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53f943aa'/>
+      <elf-symbol name='virtqueue_detach_unused_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc09a7f1a'/>
+      <elf-symbol name='virtqueue_disable_cb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb69ebf4'/>
+      <elf-symbol name='virtqueue_enable_cb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8262a352'/>
+      <elf-symbol name='virtqueue_enable_cb_delayed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd07d2a6b'/>
+      <elf-symbol name='virtqueue_enable_cb_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62e9d86a'/>
+      <elf-symbol name='virtqueue_get_avail_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x947e3f46'/>
+      <elf-symbol name='virtqueue_get_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x419f2dc4'/>
+      <elf-symbol name='virtqueue_get_buf_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x510de735'/>
+      <elf-symbol name='virtqueue_get_desc_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x960995fa'/>
+      <elf-symbol name='virtqueue_get_used_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a9c0caa'/>
+      <elf-symbol name='virtqueue_get_vring_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe06943cd'/>
+      <elf-symbol name='virtqueue_is_broken' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f366f79'/>
+      <elf-symbol name='virtqueue_kick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf65038a'/>
+      <elf-symbol name='virtqueue_kick_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd583a39e'/>
+      <elf-symbol name='virtqueue_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fe438b'/>
+      <elf-symbol name='virtqueue_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xddff0ec8'/>
+      <elf-symbol name='vlan_uses_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x554f9ff8'/>
+      <elf-symbol name='vlan_vid_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x754bc737'/>
+      <elf-symbol name='vlan_vid_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd84d99fd'/>
+      <elf-symbol name='vlan_vids_add_by_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccb43225'/>
+      <elf-symbol name='vlan_vids_del_by_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1fa0fff'/>
+      <elf-symbol name='vm_get_page_prot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c91e17c'/>
+      <elf-symbol name='vm_insert_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc59967c'/>
+      <elf-symbol name='vm_iomap_memory' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87c18a84'/>
+      <elf-symbol name='vm_map_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a934547'/>
+      <elf-symbol name='vm_map_ram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda911df9'/>
+      <elf-symbol name='vm_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86a82606'/>
+      <elf-symbol name='vm_unmap_ram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fd2571'/>
+      <elf-symbol name='vmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6ee688f'/>
+      <elf-symbol name='vmalloc_to_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e87353f'/>
+      <elf-symbol name='vmalloc_to_pfn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3744cf36'/>
+      <elf-symbol name='vmalloc_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5635a60a'/>
+      <elf-symbol name='vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0467061'/>
+      <elf-symbol name='vmemdup_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90576ec4'/>
+      <elf-symbol name='vmf_insert_mixed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc87ec310'/>
+      <elf-symbol name='vmf_insert_pfn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d7faee3'/>
+      <elf-symbol name='vmf_insert_pfn_prot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46a16238'/>
+      <elf-symbol name='vprintk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x715a5ed0'/>
+      <elf-symbol name='vprintk_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee8c02e9'/>
+      <elf-symbol name='vring_create_virtqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebead721'/>
+      <elf-symbol name='vring_del_virtqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7260b3'/>
+      <elf-symbol name='vring_interrupt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff05fa13'/>
+      <elf-symbol name='vring_new_virtqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe49b6b00'/>
+      <elf-symbol name='vring_transport_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x108845fd'/>
+      <elf-symbol name='vscnprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa0c318b'/>
+      <elf-symbol name='vsnprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x148653'/>
+      <elf-symbol name='vsock_core_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2aebe48'/>
+      <elf-symbol name='vsock_core_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98195c82'/>
+      <elf-symbol name='vsock_for_each_connected_socket' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ad0bf84'/>
+      <elf-symbol name='vsprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78b887ed'/>
+      <elf-symbol name='vsscanf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50d035c2'/>
+      <elf-symbol name='vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94961283'/>
+      <elf-symbol name='vzalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40a9b349'/>
+      <elf-symbol name='vzalloc_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e0c711d'/>
+      <elf-symbol name='wait_for_completion' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25974000'/>
+      <elf-symbol name='wait_for_completion_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e3bcce2'/>
+      <elf-symbol name='wait_for_completion_interruptible_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf02aa937'/>
+      <elf-symbol name='wait_for_completion_io_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c26a53b'/>
+      <elf-symbol name='wait_for_completion_killable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20463df4'/>
+      <elf-symbol name='wait_for_completion_killable_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x726bc3c7'/>
+      <elf-symbol name='wait_for_completion_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a3ad70e'/>
+      <elf-symbol name='wait_on_page_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0f7d2ad'/>
+      <elf-symbol name='wait_woken' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb308c97d'/>
+      <elf-symbol name='wake_up_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0fbac79'/>
+      <elf-symbol name='wake_up_if_idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6abaae1'/>
+      <elf-symbol name='wake_up_process' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b16f413'/>
+      <elf-symbol name='wakeup_source_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcde408d'/>
+      <elf-symbol name='wakeup_source_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a0dd052'/>
+      <elf-symbol name='wakeup_source_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87104041'/>
+      <elf-symbol name='wakeup_source_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fbe307a'/>
+      <elf-symbol name='wakeup_source_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4334e582'/>
+      <elf-symbol name='wakeup_source_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9e39c3c'/>
+      <elf-symbol name='watchdog_init_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84076a2f'/>
+      <elf-symbol name='watchdog_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f849386'/>
+      <elf-symbol name='watchdog_set_restart_priority' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c5887be'/>
+      <elf-symbol name='watchdog_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfda51ac'/>
+      <elf-symbol name='wiphy_apply_custom_regulatory' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x784981a9'/>
+      <elf-symbol name='wiphy_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2358f4'/>
+      <elf-symbol name='wiphy_new_nm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5830b6a1'/>
+      <elf-symbol name='wiphy_read_of_freq_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8198bde'/>
+      <elf-symbol name='wiphy_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c4dea81'/>
+      <elf-symbol name='wiphy_rfkill_set_hw_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53c14632'/>
+      <elf-symbol name='wiphy_to_ieee80211_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5762031'/>
+      <elf-symbol name='wiphy_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8e099be'/>
+      <elf-symbol name='wireless_send_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fc4375f'/>
+      <elf-symbol name='woken_wake_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0654aba'/>
+      <elf-symbol name='work_busy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86ab091d'/>
+      <elf-symbol name='ww_mutex_lock_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79f44cbd'/>
+      <elf-symbol name='ww_mutex_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0c33e75'/>
+      <elf-symbol name='xa_clear_mark' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x131a6146'/>
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+        <enumerator name='NL80211_ATTR_OFFCHANNEL_TX_OK' value='108'/>
+        <enumerator name='NL80211_ATTR_BSS_HT_OPMODE' value='109'/>
+        <enumerator name='NL80211_ATTR_KEY_DEFAULT_TYPES' value='110'/>
+        <enumerator name='NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION' value='111'/>
+        <enumerator name='NL80211_ATTR_MESH_SETUP' value='112'/>
+        <enumerator name='NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX' value='113'/>
+        <enumerator name='NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX' value='114'/>
+        <enumerator name='NL80211_ATTR_SUPPORT_MESH_AUTH' value='115'/>
+        <enumerator name='NL80211_ATTR_STA_PLINK_STATE' value='116'/>
+        <enumerator name='NL80211_ATTR_WOWLAN_TRIGGERS' value='117'/>
+        <enumerator name='NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED' value='118'/>
+        <enumerator name='NL80211_ATTR_SCHED_SCAN_INTERVAL' value='119'/>
+        <enumerator name='NL80211_ATTR_INTERFACE_COMBINATIONS' value='120'/>
+        <enumerator name='NL80211_ATTR_SOFTWARE_IFTYPES' value='121'/>
+        <enumerator name='NL80211_ATTR_REKEY_DATA' value='122'/>
+        <enumerator name='NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS' value='123'/>
+        <enumerator name='NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN' value='124'/>
+        <enumerator name='NL80211_ATTR_SCAN_SUPP_RATES' value='125'/>
+        <enumerator name='NL80211_ATTR_HIDDEN_SSID' value='126'/>
+        <enumerator name='NL80211_ATTR_IE_PROBE_RESP' value='127'/>
+        <enumerator name='NL80211_ATTR_IE_ASSOC_RESP' value='128'/>
+        <enumerator name='NL80211_ATTR_STA_WME' value='129'/>
+        <enumerator name='NL80211_ATTR_SUPPORT_AP_UAPSD' value='130'/>
+        <enumerator name='NL80211_ATTR_ROAM_SUPPORT' value='131'/>
+        <enumerator name='NL80211_ATTR_SCHED_SCAN_MATCH' value='132'/>
+        <enumerator name='NL80211_ATTR_MAX_MATCH_SETS' value='133'/>
+        <enumerator name='NL80211_ATTR_PMKSA_CANDIDATE' value='134'/>
+        <enumerator name='NL80211_ATTR_TX_NO_CCK_RATE' value='135'/>
+        <enumerator name='NL80211_ATTR_TDLS_ACTION' value='136'/>
+        <enumerator name='NL80211_ATTR_TDLS_DIALOG_TOKEN' value='137'/>
+        <enumerator name='NL80211_ATTR_TDLS_OPERATION' value='138'/>
+        <enumerator name='NL80211_ATTR_TDLS_SUPPORT' value='139'/>
+        <enumerator name='NL80211_ATTR_TDLS_EXTERNAL_SETUP' value='140'/>
+        <enumerator name='NL80211_ATTR_DEVICE_AP_SME' value='141'/>
+        <enumerator name='NL80211_ATTR_DONT_WAIT_FOR_ACK' value='142'/>
+        <enumerator name='NL80211_ATTR_FEATURE_FLAGS' value='143'/>
+        <enumerator name='NL80211_ATTR_PROBE_RESP_OFFLOAD' value='144'/>
+        <enumerator name='NL80211_ATTR_PROBE_RESP' value='145'/>
+        <enumerator name='NL80211_ATTR_DFS_REGION' value='146'/>
+        <enumerator name='NL80211_ATTR_DISABLE_HT' value='147'/>
+        <enumerator name='NL80211_ATTR_HT_CAPABILITY_MASK' value='148'/>
+        <enumerator name='NL80211_ATTR_NOACK_MAP' value='149'/>
+        <enumerator name='NL80211_ATTR_INACTIVITY_TIMEOUT' value='150'/>
+        <enumerator name='NL80211_ATTR_RX_SIGNAL_DBM' value='151'/>
+        <enumerator name='NL80211_ATTR_BG_SCAN_PERIOD' value='152'/>
+        <enumerator name='NL80211_ATTR_WDEV' value='153'/>
+        <enumerator name='NL80211_ATTR_USER_REG_HINT_TYPE' value='154'/>
+        <enumerator name='NL80211_ATTR_CONN_FAILED_REASON' value='155'/>
+        <enumerator name='NL80211_ATTR_AUTH_DATA' value='156'/>
+        <enumerator name='NL80211_ATTR_VHT_CAPABILITY' value='157'/>
+        <enumerator name='NL80211_ATTR_SCAN_FLAGS' value='158'/>
+        <enumerator name='NL80211_ATTR_CHANNEL_WIDTH' value='159'/>
+        <enumerator name='NL80211_ATTR_CENTER_FREQ1' value='160'/>
+        <enumerator name='NL80211_ATTR_CENTER_FREQ2' value='161'/>
+        <enumerator name='NL80211_ATTR_P2P_CTWINDOW' value='162'/>
+        <enumerator name='NL80211_ATTR_P2P_OPPPS' value='163'/>
+        <enumerator name='NL80211_ATTR_LOCAL_MESH_POWER_MODE' value='164'/>
+        <enumerator name='NL80211_ATTR_ACL_POLICY' value='165'/>
+        <enumerator name='NL80211_ATTR_MAC_ADDRS' value='166'/>
+        <enumerator name='NL80211_ATTR_MAC_ACL_MAX' value='167'/>
+        <enumerator name='NL80211_ATTR_RADAR_EVENT' value='168'/>
+        <enumerator name='NL80211_ATTR_EXT_CAPA' value='169'/>
+        <enumerator name='NL80211_ATTR_EXT_CAPA_MASK' value='170'/>
+        <enumerator name='NL80211_ATTR_STA_CAPABILITY' value='171'/>
+        <enumerator name='NL80211_ATTR_STA_EXT_CAPABILITY' value='172'/>
+        <enumerator name='NL80211_ATTR_PROTOCOL_FEATURES' value='173'/>
+        <enumerator name='NL80211_ATTR_SPLIT_WIPHY_DUMP' value='174'/>
+        <enumerator name='NL80211_ATTR_DISABLE_VHT' value='175'/>
+        <enumerator name='NL80211_ATTR_VHT_CAPABILITY_MASK' value='176'/>
+        <enumerator name='NL80211_ATTR_MDID' value='177'/>
+        <enumerator name='NL80211_ATTR_IE_RIC' value='178'/>
+        <enumerator name='NL80211_ATTR_CRIT_PROT_ID' value='179'/>
+        <enumerator name='NL80211_ATTR_MAX_CRIT_PROT_DURATION' value='180'/>
+        <enumerator name='NL80211_ATTR_PEER_AID' value='181'/>
+        <enumerator name='NL80211_ATTR_COALESCE_RULE' value='182'/>
+        <enumerator name='NL80211_ATTR_CH_SWITCH_COUNT' value='183'/>
+        <enumerator name='NL80211_ATTR_CH_SWITCH_BLOCK_TX' value='184'/>
+        <enumerator name='NL80211_ATTR_CSA_IES' value='185'/>
+        <enumerator name='NL80211_ATTR_CNTDWN_OFFS_BEACON' value='186'/>
+        <enumerator name='NL80211_ATTR_CNTDWN_OFFS_PRESP' value='187'/>
+        <enumerator name='NL80211_ATTR_RXMGMT_FLAGS' value='188'/>
+        <enumerator name='NL80211_ATTR_STA_SUPPORTED_CHANNELS' value='189'/>
+        <enumerator name='NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES' value='190'/>
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+        <enumerator name='NL80211_ATTR_SUPPORT_5_MHZ' value='192'/>
+        <enumerator name='NL80211_ATTR_SUPPORT_10_MHZ' value='193'/>
+        <enumerator name='NL80211_ATTR_OPMODE_NOTIF' value='194'/>
+        <enumerator name='NL80211_ATTR_VENDOR_ID' value='195'/>
+        <enumerator name='NL80211_ATTR_VENDOR_SUBCMD' value='196'/>
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+        <enumerator name='NL80211_ATTR_QOS_MAP' value='199'/>
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+        <enumerator name='NL80211_ATTR_TDLS_PEER_CAPABILITY' value='203'/>
+        <enumerator name='NL80211_ATTR_SOCKET_OWNER' value='204'/>
+        <enumerator name='NL80211_ATTR_CSA_C_OFFSETS_TX' value='205'/>
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+        <enumerator name='NL80211_ATTR_TDLS_INITIATOR' value='207'/>
+        <enumerator name='NL80211_ATTR_USE_RRM' value='208'/>
+        <enumerator name='NL80211_ATTR_WIPHY_DYN_ACK' value='209'/>
+        <enumerator name='NL80211_ATTR_TSID' value='210'/>
+        <enumerator name='NL80211_ATTR_USER_PRIO' value='211'/>
+        <enumerator name='NL80211_ATTR_ADMITTED_TIME' value='212'/>
+        <enumerator name='NL80211_ATTR_SMPS_MODE' value='213'/>
+        <enumerator name='NL80211_ATTR_OPER_CLASS' value='214'/>
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+        <enumerator name='NL80211_ATTR_WIPHY_SELF_MANAGED_REG' value='216'/>
+        <enumerator name='NL80211_ATTR_EXT_FEATURES' value='217'/>
+        <enumerator name='NL80211_ATTR_SURVEY_RADIO_STATS' value='218'/>
+        <enumerator name='NL80211_ATTR_NETNS_FD' value='219'/>
+        <enumerator name='NL80211_ATTR_SCHED_SCAN_DELAY' value='220'/>
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+        <enumerator name='NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS' value='222'/>
+        <enumerator name='NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL' value='223'/>
+        <enumerator name='NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS' value='224'/>
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+        <enumerator name='NL80211_ATTR_PBSS' value='226'/>
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+        <enumerator name='NL80211_ATTR_STA_SUPPORT_P2P_PS' value='228'/>
+        <enumerator name='NL80211_ATTR_PAD' value='229'/>
+        <enumerator name='NL80211_ATTR_IFTYPE_EXT_CAPA' value='230'/>
+        <enumerator name='NL80211_ATTR_MU_MIMO_GROUP_DATA' value='231'/>
+        <enumerator name='NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR' value='232'/>
+        <enumerator name='NL80211_ATTR_SCAN_START_TIME_TSF' value='233'/>
+        <enumerator name='NL80211_ATTR_SCAN_START_TIME_TSF_BSSID' value='234'/>
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+        <enumerator name='NL80211_ATTR_NAN_MASTER_PREF' value='238'/>
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+        <enumerator name='NL80211_ATTR_BSSID' value='245'/>
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+        <enumerator name='NL80211_ATTR_FILS_ERP_USERNAME' value='249'/>
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+        <enumerator name='NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM' value='251'/>
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+        <enumerator name='NL80211_ATTR_FILS_CACHE_ID' value='253'/>
+        <enumerator name='NL80211_ATTR_PMK' value='254'/>
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+        <enumerator name='NL80211_ATTR_WANT_1X_4WAY_HS' value='257'/>
+        <enumerator name='NL80211_ATTR_PMKR0_NAME' value='258'/>
+        <enumerator name='NL80211_ATTR_PORT_AUTHORIZED' value='259'/>
+        <enumerator name='NL80211_ATTR_EXTERNAL_AUTH_ACTION' value='260'/>
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+        <enumerator name='NL80211_ATTR_NSS' value='262'/>
+        <enumerator name='NL80211_ATTR_ACK_SIGNAL' value='263'/>
+        <enumerator name='NL80211_ATTR_CONTROL_PORT_OVER_NL80211' value='264'/>
+        <enumerator name='NL80211_ATTR_TXQ_STATS' value='265'/>
+        <enumerator name='NL80211_ATTR_TXQ_LIMIT' value='266'/>
+        <enumerator name='NL80211_ATTR_TXQ_MEMORY_LIMIT' value='267'/>
+        <enumerator name='NL80211_ATTR_TXQ_QUANTUM' value='268'/>
+        <enumerator name='NL80211_ATTR_HE_CAPABILITY' value='269'/>
+        <enumerator name='NL80211_ATTR_FTM_RESPONDER' value='270'/>
+        <enumerator name='NL80211_ATTR_FTM_RESPONDER_STATS' value='271'/>
+        <enumerator name='NL80211_ATTR_TIMEOUT' value='272'/>
+        <enumerator name='NL80211_ATTR_PEER_MEASUREMENTS' value='273'/>
+        <enumerator name='NL80211_ATTR_AIRTIME_WEIGHT' value='274'/>
+        <enumerator name='NL80211_ATTR_STA_TX_POWER_SETTING' value='275'/>
+        <enumerator name='NL80211_ATTR_STA_TX_POWER' value='276'/>
+        <enumerator name='NL80211_ATTR_SAE_PASSWORD' value='277'/>
+        <enumerator name='NL80211_ATTR_TWT_RESPONDER' value='278'/>
+        <enumerator name='NL80211_ATTR_HE_OBSS_PD' value='279'/>
+        <enumerator name='NL80211_ATTR_WIPHY_EDMG_CHANNELS' value='280'/>
+        <enumerator name='NL80211_ATTR_WIPHY_EDMG_BW_CONFIG' value='281'/>
+        <enumerator name='NL80211_ATTR_VLAN_ID' value='282'/>
+        <enumerator name='NL80211_ATTR_HE_BSS_COLOR' value='283'/>
+        <enumerator name='NL80211_ATTR_IFTYPE_AKM_SUITES' value='284'/>
+        <enumerator name='NL80211_ATTR_TID_CONFIG' value='285'/>
+        <enumerator name='NL80211_ATTR_CONTROL_PORT_NO_PREAUTH' value='286'/>
+        <enumerator name='NL80211_ATTR_PMK_LIFETIME' value='287'/>
+        <enumerator name='NL80211_ATTR_PMK_REAUTH_THRESHOLD' value='288'/>
+        <enumerator name='NL80211_ATTR_RECEIVE_MULTICAST' value='289'/>
+        <enumerator name='NL80211_ATTR_WIPHY_FREQ_OFFSET' value='290'/>
+        <enumerator name='NL80211_ATTR_CENTER_FREQ1_OFFSET' value='291'/>
+        <enumerator name='NL80211_ATTR_SCAN_FREQ_KHZ' value='292'/>
+        <enumerator name='NL80211_ATTR_HE_6GHZ_CAPABILITY' value='293'/>
+        <enumerator name='NL80211_ATTR_FILS_DISCOVERY' value='294'/>
+        <enumerator name='NL80211_ATTR_UNSOL_BCAST_PROBE_RESP' value='295'/>
+        <enumerator name='NL80211_ATTR_S1G_CAPABILITY' value='296'/>
+        <enumerator name='NL80211_ATTR_S1G_CAPABILITY_MASK' value='297'/>
+        <enumerator name='NL80211_ATTR_SAE_PWE' value='298'/>
+        <enumerator name='__NL80211_ATTR_AFTER_LAST' value='299'/>
+        <enumerator name='NUM_NL80211_ATTR' value='299'/>
+        <enumerator name='NL80211_ATTR_MAX' value='298'/>
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+        <return type-id='02f11ed4'/>
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+      <function-decl name='__alloc_percpu' mangled-name='__alloc_percpu' filepath='mm/percpu.c' line='1904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__alloc_percpu'>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/percpu.c' line='1904' column='1'/>
+        <parameter type-id='b59d7dce' name='align' filepath='mm/percpu.c' line='1904' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__alloc_percpu_gfp' mangled-name='__alloc_percpu_gfp' filepath='mm/percpu.c' line='1891' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__alloc_percpu_gfp'>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/percpu.c' line='1891' column='1'/>
+        <parameter type-id='b59d7dce' name='align' filepath='mm/percpu.c' line='1891' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='mm/percpu.c' line='1891' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__alloc_skb' mangled-name='__alloc_skb' filepath='net/core/skbuff.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__alloc_skb'>
+        <parameter type-id='f0981eeb' name='size' filepath='net/core/skbuff.c' line='183' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='183' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/core/skbuff.c' line='184' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='net/core/skbuff.c' line='184' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__bitmap_and' mangled-name='__bitmap_and' filepath='lib/bitmap.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_and'>
+        <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='240' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='240' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='241' column='1'/>
+        <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='241' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__bitmap_andnot' mangled-name='__bitmap_andnot' filepath='lib/bitmap.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_andnot'>
+        <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='278' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='278' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='279' column='1'/>
+        <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='279' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__bitmap_clear' mangled-name='__bitmap_clear' filepath='lib/bitmap.c' line='372' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_clear'>
+        <parameter type-id='1d2c2b85' name='map' filepath='lib/bitmap.c' line='372' column='1'/>
+        <parameter type-id='f0981eeb' name='start' filepath='lib/bitmap.c' line='372' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='lib/bitmap.c' line='372' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__bitmap_complement' mangled-name='__bitmap_complement' filepath='lib/bitmap.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_complement'>
+        <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='84' column='1'/>
+        <parameter type-id='f9b37274' name='src' filepath='lib/bitmap.c' line='84' column='1'/>
+        <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='84' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__bitmap_equal' mangled-name='__bitmap_equal' filepath='lib/bitmap.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_equal'>
+        <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='48' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='49' column='1'/>
+        <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='49' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__bitmap_or' mangled-name='__bitmap_or' filepath='lib/bitmap.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_or'>
+        <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='256' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='256' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='257' column='1'/>
+        <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='257' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__bitmap_replace' mangled-name='__bitmap_replace' filepath='lib/bitmap.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_replace'>
+        <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='294' column='1'/>
+        <parameter type-id='f9b37274' name='old' filepath='lib/bitmap.c' line='295' column='1'/>
+        <parameter type-id='f9b37274' name='new' filepath='lib/bitmap.c' line='295' column='1'/>
+        <parameter type-id='f9b37274' name='mask' filepath='lib/bitmap.c' line='296' column='1'/>
+        <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='296' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__bitmap_set' mangled-name='__bitmap_set' filepath='lib/bitmap.c' line='351' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_set'>
+        <parameter type-id='1d2c2b85' name='map' filepath='lib/bitmap.c' line='351' column='1'/>
+        <parameter type-id='f0981eeb' name='start' filepath='lib/bitmap.c' line='351' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='lib/bitmap.c' line='351' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__bitmap_weight' mangled-name='__bitmap_weight' filepath='lib/bitmap.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_weight'>
+        <parameter type-id='f9b37274' name='bitmap' filepath='lib/bitmap.c' line='336' column='1'/>
+        <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__bitmap_xor' mangled-name='__bitmap_xor' filepath='lib/bitmap.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_xor'>
+        <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='267' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='267' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='268' column='1'/>
+        <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='268' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__blk_mq_debugfs_rq_show' mangled-name='__blk_mq_debugfs_rq_show' filepath='block/blk-mq-debugfs.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blk_mq_debugfs_rq_show'>
+        <parameter type-id='f8dc9def' name='m' filepath='block/blk-mq-debugfs.c' line='331' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-debugfs.c' line='331' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__blk_mq_end_request' mangled-name='__blk_mq_end_request' filepath='block/blk-mq.c' line='542' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blk_mq_end_request'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='542' column='1'/>
+        <parameter type-id='f4e2facd' name='error' filepath='block/blk-mq.c' line='542' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__blk_rq_map_sg' mangled-name='__blk_rq_map_sg' filepath='block/blk-merge.c' line='525' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blk_rq_map_sg'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-merge.c' line='525' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-merge.c' line='525' column='1'/>
+        <parameter type-id='bf3ef905' name='sglist' filepath='block/blk-merge.c' line='526' column='1'/>
+        <parameter type-id='3f2244fd' name='last_sg' filepath='block/blk-merge.c' line='526' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__cfg80211_alloc_event_skb' mangled-name='__cfg80211_alloc_event_skb' filepath='net/wireless/nl80211.c' line='10288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cfg80211_alloc_event_skb'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/nl80211.c' line='10288' column='1'/>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/nl80211.c' line='10289' column='1'/>
+        <parameter type-id='187e1e49' name='cmd' filepath='net/wireless/nl80211.c' line='10290' column='1'/>
+        <parameter type-id='320b0ded' name='attr' filepath='net/wireless/nl80211.c' line='10291' column='1'/>
+        <parameter type-id='f0981eeb' name='portid' filepath='net/wireless/nl80211.c' line='10292' column='1'/>
+        <parameter type-id='95e97e5e' name='vendor_event_idx' filepath='net/wireless/nl80211.c' line='10293' column='1'/>
+        <parameter type-id='95e97e5e' name='approxlen' filepath='net/wireless/nl80211.c' line='10294' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='10294' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__cfg80211_alloc_reply_skb' mangled-name='__cfg80211_alloc_reply_skb' filepath='net/wireless/nl80211.c' line='13827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cfg80211_alloc_reply_skb'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/nl80211.c' line='13827' column='1'/>
+        <parameter type-id='187e1e49' name='cmd' filepath='net/wireless/nl80211.c' line='13828' column='1'/>
+        <parameter type-id='320b0ded' name='attr' filepath='net/wireless/nl80211.c' line='13829' column='1'/>
+        <parameter type-id='95e97e5e' name='approxlen' filepath='net/wireless/nl80211.c' line='13830' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__cfg80211_send_event_skb' mangled-name='__cfg80211_send_event_skb' filepath='net/wireless/nl80211.c' line='10321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cfg80211_send_event_skb'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/wireless/nl80211.c' line='10321' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='10321' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__cfi_slowpath' mangled-name='__cfi_slowpath' filepath='kernel/cfi.c' line='319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cfi_slowpath'>
+        <parameter type-id='9c313c2d' name='id' filepath='kernel/cfi.c' line='319' column='1'/>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='kernel/cfi.c' line='319' column='1'/>
+        <parameter type-id='eaa32e2f' name='diag' filepath='kernel/cfi.c' line='319' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__check_object_size' mangled-name='__check_object_size' filepath='mm/usercopy.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__check_object_size'>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='mm/usercopy.c' line='256' column='1'/>
+        <parameter type-id='7359adad' name='n' filepath='mm/usercopy.c' line='256' column='1'/>
+        <parameter type-id='b50a4934' name='to_user' filepath='mm/usercopy.c' line='256' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__class_create' mangled-name='__class_create' filepath='drivers/base/class.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__class_create'>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/base/class.c' line='231' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/class.c' line='231' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='drivers/base/class.c' line='232' column='1'/>
+        <return type-id='67aca04f'/>
+      </function-decl>
+      <function-decl name='__class_register' mangled-name='__class_register' filepath='drivers/base/class.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__class_register'>
+        <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='153' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='drivers/base/class.c' line='153' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__clk_determine_rate' mangled-name='__clk_determine_rate' filepath='drivers/clk/clk.c' line='1456' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_determine_rate'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='1456' column='1'/>
+        <parameter type-id='23a0ad0a' name='req' filepath='drivers/clk/clk.c' line='1456' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__clk_get_hw' mangled-name='__clk_get_hw' filepath='drivers/clk/clk.c' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_get_hw'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='289' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='__clk_get_name' mangled-name='__clk_get_name' filepath='drivers/clk/clk.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_get_name'>
+        <parameter type-id='10f66866' name='clk' filepath='drivers/clk/clk.c' line='277' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='__clk_hw_register_divider' mangled-name='__clk_hw_register_divider' filepath='drivers/clk/clk-divider.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_hw_register_divider'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-divider.c' line='466' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-divider.c' line='467' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-divider.c' line='467' column='1'/>
+        <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-divider.c' line='468' column='1'/>
+        <parameter type-id='9e6d4b4e' name='parent_hw' filepath='drivers/clk/clk-divider.c' line='468' column='1'/>
+        <parameter type-id='4cdbecf4' name='parent_data' filepath='drivers/clk/clk-divider.c' line='469' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='469' column='1'/>
+        <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+        <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+        <parameter type-id='f9b06939' name='clk_divider_flags' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+        <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='471' column='1'/>
+        <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-divider.c' line='471' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='__clk_hw_register_gate' mangled-name='__clk_hw_register_gate' filepath='drivers/clk/clk-gate.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_hw_register_gate'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-gate.c' line='126' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-gate.c' line='127' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-gate.c' line='127' column='1'/>
+        <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-gate.c' line='128' column='1'/>
+        <parameter type-id='9e6d4b4e' name='parent_hw' filepath='drivers/clk/clk-gate.c' line='128' column='1'/>
+        <parameter type-id='4cdbecf4' name='parent_data' filepath='drivers/clk/clk-gate.c' line='129' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-gate.c' line='130' column='1'/>
+        <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-gate.c' line='131' column='1'/>
+        <parameter type-id='f9b06939' name='bit_idx' filepath='drivers/clk/clk-gate.c' line='131' column='1'/>
+        <parameter type-id='f9b06939' name='clk_gate_flags' filepath='drivers/clk/clk-gate.c' line='132' column='1'/>
+        <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-gate.c' line='132' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='__clk_hw_register_mux' mangled-name='__clk_hw_register_mux' filepath='drivers/clk/clk-mux.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_hw_register_mux'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-mux.c' line='148' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-mux.c' line='148' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-mux.c' line='149' column='1'/>
+        <parameter type-id='f9b06939' name='num_parents' filepath='drivers/clk/clk-mux.c' line='149' column='1'/>
+        <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-mux.c' line='150' column='1'/>
+        <parameter type-id='ca0dae6c' name='parent_hws' filepath='drivers/clk/clk-mux.c' line='151' column='1'/>
+        <parameter type-id='4cdbecf4' name='parent_data' filepath='drivers/clk/clk-mux.c' line='152' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+        <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+        <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+        <parameter type-id='f9b06939' name='clk_mux_flags' filepath='drivers/clk/clk-mux.c' line='154' column='1'/>
+        <parameter type-id='f9409001' name='table' filepath='drivers/clk/clk-mux.c' line='154' column='1'/>
+        <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-mux.c' line='154' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='__clk_is_enabled' mangled-name='__clk_is_enabled' filepath='drivers/clk/clk.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_is_enabled'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='540' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__clk_mux_determine_rate' mangled-name='__clk_mux_determine_rate' filepath='drivers/clk/clk.c' line='684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_mux_determine_rate'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='684' column='1'/>
+        <parameter type-id='23a0ad0a' name='req' filepath='drivers/clk/clk.c' line='685' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__clk_mux_determine_rate_closest' mangled-name='__clk_mux_determine_rate_closest' filepath='drivers/clk/clk.c' line='691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_mux_determine_rate_closest'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='691' column='1'/>
+        <parameter type-id='23a0ad0a' name='req' filepath='drivers/clk/clk.c' line='692' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__clocksource_register_scale' mangled-name='__clocksource_register_scale' filepath='kernel/time/clocksource.c' line='1105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clocksource_register_scale'>
+        <parameter type-id='4dfe71de' name='cs' filepath='kernel/time/clocksource.c' line='1105' column='1'/>
+        <parameter type-id='19c2251e' name='scale' filepath='kernel/time/clocksource.c' line='1105' column='1'/>
+        <parameter type-id='19c2251e' name='freq' filepath='kernel/time/clocksource.c' line='1105' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__const_udelay' mangled-name='__const_udelay' filepath='arch/arm64/lib/delay.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__const_udelay'>
+        <parameter type-id='7359adad' name='xloops' filepath='arch/arm64/lib/delay.c' line='43' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='__cpu_active_mask' type-id='1354385d' mangled-name='__cpu_active_mask' visibility='default' filepath='kernel/cpu.c' line='2798' column='1' elf-symbol-id='__cpu_active_mask'/>
+      <var-decl name='__cpu_online_mask' type-id='1354385d' mangled-name='__cpu_online_mask' visibility='default' filepath='kernel/cpu.c' line='2792' column='1' elf-symbol-id='__cpu_online_mask'/>
+      <var-decl name='__cpu_possible_mask' type-id='1354385d' mangled-name='__cpu_possible_mask' visibility='default' filepath='kernel/cpu.c' line='2788' column='1' elf-symbol-id='__cpu_possible_mask'/>
+      <var-decl name='__cpu_present_mask' type-id='1354385d' mangled-name='__cpu_present_mask' visibility='default' filepath='kernel/cpu.c' line='2795' column='1' elf-symbol-id='__cpu_present_mask'/>
+      <function-decl name='__cpufreq_driver_target' mangled-name='__cpufreq_driver_target' filepath='drivers/cpufreq/cpufreq.c' line='2208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpufreq_driver_target'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2208' column='1'/>
+        <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='2209' column='1'/>
+        <parameter type-id='f0981eeb' name='relation' filepath='drivers/cpufreq/cpufreq.c' line='2210' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__cpuhp_remove_state' mangled-name='__cpuhp_remove_state' filepath='kernel/cpu.c' line='2394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_remove_state'>
+        <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2394' column='1'/>
+        <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2394' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__cpuhp_setup_state' mangled-name='__cpuhp_setup_state' filepath='kernel/cpu.c' line='2292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_setup_state'>
+        <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2292' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/cpu.c' line='2293' column='1'/>
+        <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2293' column='1'/>
+        <parameter type-id='f02a5e83' name='startup' filepath='kernel/cpu.c' line='2294' column='1'/>
+        <parameter type-id='f02a5e83' name='teardown' filepath='kernel/cpu.c' line='2295' column='1'/>
+        <parameter type-id='b50a4934' name='multi_instance' filepath='kernel/cpu.c' line='2296' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__cpuhp_setup_state_cpuslocked' mangled-name='__cpuhp_setup_state_cpuslocked' filepath='kernel/cpu.c' line='2233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_setup_state_cpuslocked'>
+        <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2233' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/cpu.c' line='2234' column='1'/>
+        <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2234' column='1'/>
+        <parameter type-id='f02a5e83' name='startup' filepath='kernel/cpu.c' line='2235' column='1'/>
+        <parameter type-id='f02a5e83' name='teardown' filepath='kernel/cpu.c' line='2236' column='1'/>
+        <parameter type-id='b50a4934' name='multi_instance' filepath='kernel/cpu.c' line='2237' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__cpuhp_state_add_instance' mangled-name='__cpuhp_state_add_instance' filepath='kernel/cpu.c' line='2204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_state_add_instance'>
+        <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2204' column='1'/>
+        <parameter type-id='08cbad52' name='node' filepath='kernel/cpu.c' line='2204' column='1'/>
+        <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2205' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__cpuhp_state_remove_instance' mangled-name='__cpuhp_state_remove_instance' filepath='kernel/cpu.c' line='2308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_state_remove_instance'>
+        <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2308' column='1'/>
+        <parameter type-id='08cbad52' name='node' filepath='kernel/cpu.c' line='2309' column='1'/>
+        <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2309' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__crypto_memneq' mangled-name='__crypto_memneq' filepath='lib/memneq.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__crypto_memneq'>
+        <parameter type-id='eaa32e2f' name='a' filepath='lib/memneq.c' line='156' column='1'/>
+        <parameter type-id='eaa32e2f' name='b' filepath='lib/memneq.c' line='156' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/memneq.c' line='157' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='__crypto_xor' mangled-name='__crypto_xor' filepath='crypto/algapi.c' line='1019' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__crypto_xor'>
+        <parameter type-id='8bff8096' name='dst' filepath='crypto/algapi.c' line='1019' column='1'/>
+        <parameter type-id='bbaf3419' name='src1' filepath='crypto/algapi.c' line='1019' column='1'/>
+        <parameter type-id='bbaf3419' name='src2' filepath='crypto/algapi.c' line='1019' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/algapi.c' line='1019' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__dev_get_by_index' mangled-name='__dev_get_by_index' filepath='net/core/dev.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dev_get_by_index'>
+        <parameter type-id='a2bff676' name='net' filepath='net/core/dev.c' line='935' column='1'/>
+        <parameter type-id='95e97e5e' name='ifindex' filepath='net/core/dev.c' line='935' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='__dev_kfree_skb_any' mangled-name='__dev_kfree_skb_any' filepath='net/core/dev.c' line='3127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dev_kfree_skb_any'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3127' column='1'/>
+        <parameter type-id='1f17c6b4' name='reason' filepath='net/core/dev.c' line='3127' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__dev_kfree_skb_irq' mangled-name='__dev_kfree_skb_irq' filepath='net/core/dev.c' line='3105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dev_kfree_skb_irq'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3105' column='1'/>
+        <parameter type-id='1f17c6b4' name='reason' filepath='net/core/dev.c' line='3105' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__devm_drm_dev_alloc' mangled-name='__devm_drm_dev_alloc' filepath='drivers/gpu/drm/drm_drv.c' line='684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_drm_dev_alloc'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/gpu/drm/drm_drv.c' line='684' column='1'/>
+        <parameter type-id='1d52bc4d' name='driver' filepath='drivers/gpu/drm/drm_drv.c' line='684' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_drv.c' line='685' column='1'/>
+        <parameter type-id='b59d7dce' name='offset' filepath='drivers/gpu/drm/drm_drv.c' line='685' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__devm_iio_device_register' mangled-name='__devm_iio_device_register' filepath='drivers/iio/industrialio-core.c' line='1823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_iio_device_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/industrialio-core.c' line='1823' column='1'/>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1823' column='1'/>
+        <parameter type-id='2730d015' name='this_mod' filepath='drivers/iio/industrialio-core.c' line='1824' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__devm_of_phy_provider_register' mangled-name='__devm_of_phy_provider_register' filepath='drivers/phy/phy-core.c' line='1075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_of_phy_provider_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='1075' column='1'/>
+        <parameter type-id='9a537bbe' name='children' filepath='drivers/phy/phy-core.c' line='1076' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/phy/phy-core.c' line='1076' column='1'/>
+        <parameter type-id='df697557' name='of_xlate' filepath='drivers/phy/phy-core.c' line='1077' column='1'/>
+        <return type-id='3608d096'/>
+      </function-decl>
+      <function-decl name='__devm_regmap_init' mangled-name='__devm_regmap_init' filepath='drivers/base/regmap/regmap.c' line='1211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='1211' column='1'/>
+        <parameter type-id='00e96299' name='bus' filepath='drivers/base/regmap/regmap.c' line='1212' column='1'/>
+        <parameter type-id='eaa32e2f' name='bus_context' filepath='drivers/base/regmap/regmap.c' line='1213' column='1'/>
+        <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap.c' line='1214' column='1'/>
+        <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap.c' line='1215' column='1'/>
+        <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap.c' line='1216' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='__devm_regmap_init_i2c' mangled-name='__devm_regmap_init_i2c' filepath='drivers/base/regmap/regmap-i2c.c' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init_i2c'>
+        <parameter type-id='3e31633b' name='i2c' filepath='drivers/base/regmap/regmap-i2c.c' line='353' column='1'/>
+        <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap-i2c.c' line='354' column='1'/>
+        <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap-i2c.c' line='355' column='1'/>
+        <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap-i2c.c' line='356' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='__devm_regmap_init_mmio_clk' mangled-name='__devm_regmap_init_mmio_clk' filepath='drivers/base/regmap/regmap-mmio.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init_mmio_clk'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap-mmio.c' line='339' column='1'/>
+        <parameter type-id='80f4b756' name='clk_id' filepath='drivers/base/regmap/regmap-mmio.c' line='340' column='1'/>
+        <parameter type-id='eaa32e2f' name='regs' filepath='drivers/base/regmap/regmap-mmio.c' line='341' column='1'/>
+        <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap-mmio.c' line='342' column='1'/>
+        <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap-mmio.c' line='343' column='1'/>
+        <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap-mmio.c' line='344' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='__devm_regmap_init_spi' mangled-name='__devm_regmap_init_spi' filepath='drivers/base/regmap/regmap-spi.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init_spi'>
+        <parameter type-id='e90f4666' name='spi' filepath='drivers/base/regmap/regmap-spi.c' line='122' column='1'/>
+        <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap-spi.c' line='123' column='1'/>
+        <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap-spi.c' line='124' column='1'/>
+        <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap-spi.c' line='125' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='__devm_request_region' mangled-name='__devm_request_region' filepath='kernel/resource.c' line='1506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_request_region'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/resource.c' line='1506' column='1'/>
+        <parameter type-id='c9d64c0d' name='parent' filepath='kernel/resource.c' line='1506' column='1'/>
+        <parameter type-id='acc63fdf' name='start' filepath='kernel/resource.c' line='1507' column='1'/>
+        <parameter type-id='acc63fdf' name='n' filepath='kernel/resource.c' line='1507' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/resource.c' line='1507' column='1'/>
+        <return type-id='c9d64c0d'/>
+      </function-decl>
+      <function-decl name='__devm_reset_control_get' mangled-name='__devm_reset_control_get' filepath='drivers/reset/core.c' line='783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_reset_control_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='783' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/reset/core.c' line='784' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/reset/core.c' line='784' column='1'/>
+        <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='784' column='1'/>
+        <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='785' column='1'/>
+        <parameter type-id='b50a4934' name='acquired' filepath='drivers/reset/core.c' line='785' column='1'/>
+        <return type-id='9f9b8114'/>
+      </function-decl>
+      <function-decl name='__devm_spi_alloc_controller' mangled-name='__devm_spi_alloc_controller' filepath='drivers/spi/spi.c' line='2492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_spi_alloc_controller'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/spi/spi.c' line='2492' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='drivers/spi/spi.c' line='2493' column='1'/>
+        <parameter type-id='b50a4934' name='slave' filepath='drivers/spi/spi.c' line='2494' column='1'/>
+        <return type-id='f22e4524'/>
+      </function-decl>
+      <function-decl name='__dma_request_channel' mangled-name='__dma_request_channel' filepath='drivers/dma/dmaengine.c' line='756' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dma_request_channel'>
+        <parameter type-id='d2b9f7d5' name='mask' filepath='drivers/dma/dmaengine.c' line='756' column='1'/>
+        <parameter type-id='55f53546' name='fn' filepath='drivers/dma/dmaengine.c' line='757' column='1'/>
+        <parameter type-id='eaa32e2f' name='fn_param' filepath='drivers/dma/dmaengine.c' line='757' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/dma/dmaengine.c' line='758' column='1'/>
+        <return type-id='27f3f5d8'/>
+      </function-decl>
+      <function-decl name='__do_once_done' mangled-name='__do_once_done' filepath='lib/once.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__do_once_done'>
+        <parameter type-id='d8e6b335' name='done' filepath='lib/once.c' line='60' column='1'/>
+        <parameter type-id='ac6963b2' name='once_key' filepath='lib/once.c' line='60' column='1'/>
+        <parameter type-id='1d2c2b85' name='flags' filepath='lib/once.c' line='61' column='1'/>
+        <parameter type-id='2730d015' name='mod' filepath='lib/once.c' line='61' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__do_once_start' mangled-name='__do_once_start' filepath='lib/once.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__do_once_start'>
+        <parameter type-id='d8e6b335' name='done' filepath='lib/once.c' line='42' column='1'/>
+        <parameter type-id='1d2c2b85' name='flags' filepath='lib/once.c' line='42' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_connector_destroy_state' mangled-name='__drm_atomic_helper_connector_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_connector_destroy_state'>
+        <parameter type-id='249ef586' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='514' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_connector_duplicate_state' mangled-name='__drm_atomic_helper_connector_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_connector_duplicate_state'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='466' column='1'/>
+        <parameter type-id='249ef586' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='467' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_connector_reset' mangled-name='__drm_atomic_helper_connector_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_connector_reset'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='408' column='1'/>
+        <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='409' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_crtc_destroy_state' mangled-name='__drm_atomic_helper_crtc_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_crtc_destroy_state'>
+        <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='191' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_crtc_duplicate_state' mangled-name='__drm_atomic_helper_crtc_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_crtc_duplicate_state'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='131' column='1'/>
+        <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='132' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_crtc_reset' mangled-name='__drm_atomic_helper_crtc_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_crtc_reset'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='91' column='1'/>
+        <parameter type-id='35078cb9' name='crtc_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='92' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_disable_plane' mangled-name='__drm_atomic_helper_disable_plane' filepath='drivers/gpu/drm/drm_atomic.c' line='1389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_disable_plane'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic.c' line='1389' column='1'/>
+        <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic.c' line='1390' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_plane_destroy_state' mangled-name='__drm_atomic_helper_plane_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_plane_destroy_state'>
+        <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='348' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_plane_duplicate_state' mangled-name='__drm_atomic_helper_plane_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_plane_duplicate_state'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='303' column='1'/>
+        <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='304' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_plane_reset' mangled-name='__drm_atomic_helper_plane_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_plane_reset'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='266' column='1'/>
+        <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='267' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_helper_private_obj_duplicate_state' mangled-name='__drm_atomic_helper_private_obj_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_private_obj_duplicate_state'>
+        <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='553' column='1'/>
+        <parameter type-id='4ea020ae' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='554' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_atomic_state_free' mangled-name='__drm_atomic_state_free' filepath='drivers/gpu/drm/drm_atomic.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_state_free'>
+        <parameter type-id='aa29ecab' name='ref' filepath='drivers/gpu/drm/drm_atomic.c' line='263' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_crtc_commit_free' mangled-name='__drm_crtc_commit_free' filepath='drivers/gpu/drm/drm_atomic.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_crtc_commit_free'>
+        <parameter type-id='aa29ecab' name='kref' filepath='drivers/gpu/drm/drm_atomic.c' line='46' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_dbg' mangled-name='__drm_dbg' filepath='drivers/gpu/drm/drm_print.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_dbg'>
+        <parameter type-id='189697ba' name='category' filepath='drivers/gpu/drm/drm_print.c' line='283' column='1'/>
+        <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='283' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='__drm_debug' type-id='f0981eeb' mangled-name='__drm_debug' visibility='default' filepath='drivers/gpu/drm/drm_print.c' line='43' column='1' elf-symbol-id='__drm_debug'/>
+      <function-decl name='__drm_err' mangled-name='__drm_err' filepath='drivers/gpu/drm/drm_print.c' line='302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_err'>
+        <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='302' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_printfn_coredump' mangled-name='__drm_printfn_coredump' filepath='drivers/gpu/drm/drm_print.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_printfn_coredump'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='99' column='1'/>
+        <parameter type-id='3b5c2208' name='vaf' filepath='drivers/gpu/drm/drm_print.c' line='99' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_printfn_debug' mangled-name='__drm_printfn_debug' filepath='drivers/gpu/drm/drm_print.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_printfn_debug'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='163' column='1'/>
+        <parameter type-id='3b5c2208' name='vaf' filepath='drivers/gpu/drm/drm_print.c' line='163' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_printfn_info' mangled-name='__drm_printfn_info' filepath='drivers/gpu/drm/drm_print.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_printfn_info'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='157' column='1'/>
+        <parameter type-id='3b5c2208' name='vaf' filepath='drivers/gpu/drm/drm_print.c' line='157' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_printfn_seq_file' mangled-name='__drm_printfn_seq_file' filepath='drivers/gpu/drm/drm_print.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_printfn_seq_file'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='151' column='1'/>
+        <parameter type-id='3b5c2208' name='vaf' filepath='drivers/gpu/drm/drm_print.c' line='151' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_puts_coredump' mangled-name='__drm_puts_coredump' filepath='drivers/gpu/drm/drm_print.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_puts_coredump'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='57' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='drivers/gpu/drm/drm_print.c' line='57' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__drm_puts_seq_file' mangled-name='__drm_puts_seq_file' filepath='drivers/gpu/drm/drm_print.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_puts_seq_file'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='145' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='drivers/gpu/drm/drm_print.c' line='145' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__dynamic_dev_dbg' mangled-name='__dynamic_dev_dbg' filepath='lib/dynamic_debug.c' line='616' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dynamic_dev_dbg'>
+        <parameter type-id='7c67ab39' name='descriptor' filepath='lib/dynamic_debug.c' line='616' column='1'/>
+        <parameter type-id='8df61054' name='dev' filepath='lib/dynamic_debug.c' line='617' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/dynamic_debug.c' line='617' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__dynamic_pr_debug' mangled-name='__dynamic_pr_debug' filepath='lib/dynamic_debug.c' line='596' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dynamic_pr_debug'>
+        <parameter type-id='7c67ab39' name='descriptor' filepath='lib/dynamic_debug.c' line='596' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/dynamic_debug.c' line='596' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__ethtool_get_link_ksettings' mangled-name='__ethtool_get_link_ksettings' filepath='net/ethtool/ioctl.c' line='427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ethtool_get_link_ksettings'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='427' column='1'/>
+        <parameter type-id='70de91e2' name='link_ksettings' filepath='net/ethtool/ioctl.c' line='428' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__fdget' mangled-name='__fdget' filepath='fs/file.c' line='1038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__fdget'>
+        <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='1038' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='__free_pages' mangled-name='__free_pages' filepath='mm/page_alloc.c' line='5410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__free_pages'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='5410' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='5410' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__genphy_config_aneg' mangled-name='__genphy_config_aneg' filepath='drivers/net/phy/phy_device.c' line='2092' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__genphy_config_aneg'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2092' column='1'/>
+        <parameter type-id='b50a4934' name='changed' filepath='drivers/net/phy/phy_device.c' line='2092' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__get_free_pages' mangled-name='__get_free_pages' filepath='mm/page_alloc.c' line='5385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__get_free_pages'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/page_alloc.c' line='5385' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='5385' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='__get_task_comm' mangled-name='__get_task_comm' filepath='fs/exec.c' line='1220' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__get_task_comm'>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/exec.c' line='1220' column='1'/>
+        <parameter type-id='b59d7dce' name='buf_size' filepath='fs/exec.c' line='1220' column='1'/>
+        <parameter type-id='f23e2572' name='tsk' filepath='fs/exec.c' line='1220' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='__get_vm_area_caller' mangled-name='__get_vm_area_caller' filepath='mm/vmalloc.c' line='2116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__get_vm_area_caller'>
+        <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2116' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='mm/vmalloc.c' line='2116' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='mm/vmalloc.c' line='2117' column='1'/>
+        <parameter type-id='7359adad' name='end' filepath='mm/vmalloc.c' line='2117' column='1'/>
+        <parameter type-id='eaa32e2f' name='caller' filepath='mm/vmalloc.c' line='2118' column='1'/>
+        <return type-id='d295dab2'/>
+      </function-decl>
+      <function-decl name='__hci_cmd_sync' mangled-name='__hci_cmd_sync' filepath='net/bluetooth/hci_request.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hci_cmd_sync'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_request.c' line='184' column='1'/>
+        <parameter type-id='1dc6a898' name='opcode' filepath='net/bluetooth/hci_request.c' line='184' column='1'/>
+        <parameter type-id='19c2251e' name='plen' filepath='net/bluetooth/hci_request.c' line='184' column='1'/>
+        <parameter type-id='eaa32e2f' name='param' filepath='net/bluetooth/hci_request.c' line='185' column='1'/>
+        <parameter type-id='19c2251e' name='timeout' filepath='net/bluetooth/hci_request.c' line='185' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__hci_cmd_sync_ev' mangled-name='__hci_cmd_sync_ev' filepath='net/bluetooth/hci_request.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hci_cmd_sync_ev'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_request.c' line='127' column='1'/>
+        <parameter type-id='1dc6a898' name='opcode' filepath='net/bluetooth/hci_request.c' line='127' column='1'/>
+        <parameter type-id='19c2251e' name='plen' filepath='net/bluetooth/hci_request.c' line='127' column='1'/>
+        <parameter type-id='eaa32e2f' name='param' filepath='net/bluetooth/hci_request.c' line='128' column='1'/>
+        <parameter type-id='f9b06939' name='event' filepath='net/bluetooth/hci_request.c' line='128' column='1'/>
+        <parameter type-id='19c2251e' name='timeout' filepath='net/bluetooth/hci_request.c' line='128' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__hid_register_driver' mangled-name='__hid_register_driver' filepath='drivers/hid/hid-core.c' line='2557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hid_register_driver'>
+        <parameter type-id='cbd2074d' name='hdrv' filepath='drivers/hid/hid-core.c' line='2557' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/hid/hid-core.c' line='2557' column='1'/>
+        <parameter type-id='80f4b756' name='mod_name' filepath='drivers/hid/hid-core.c' line='2558' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__hid_request' mangled-name='__hid_request' filepath='drivers/hid/hid-core.c' line='1720' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hid_request'>
+        <parameter type-id='37175e4d' name='hid' filepath='drivers/hid/hid-core.c' line='1720' column='1'/>
+        <parameter type-id='5b4284d1' name='report' filepath='drivers/hid/hid-core.c' line='1720' column='1'/>
+        <parameter type-id='95e97e5e' name='reqtype' filepath='drivers/hid/hid-core.c' line='1721' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__hrtimer_get_remaining' mangled-name='__hrtimer_get_remaining' filepath='kernel/time/hrtimer.c' line='1355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hrtimer_get_remaining'>
+        <parameter type-id='1ce53783' name='timer' filepath='kernel/time/hrtimer.c' line='1355' column='1'/>
+        <parameter type-id='b50a4934' name='adjust' filepath='kernel/time/hrtimer.c' line='1355' column='1'/>
+        <return type-id='fbc017ef'/>
+      </function-decl>
+      <function-decl name='__hvc_resize' mangled-name='__hvc_resize' filepath='drivers/tty/hvc/hvc_console.c' line='778' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hvc_resize'>
+        <parameter type-id='352b95f6' name='hp' filepath='drivers/tty/hvc/hvc_console.c' line='778' column='1'/>
+        <parameter type-id='a818b7a0' name='ws' filepath='drivers/tty/hvc/hvc_console.c' line='778' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__hwspin_lock_timeout' mangled-name='__hwspin_lock_timeout' filepath='drivers/hwspinlock/hwspinlock_core.c' line='206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hwspin_lock_timeout'>
+        <parameter type-id='0cb0b26f' name='hwlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='206' column='1'/>
+        <parameter type-id='f0981eeb' name='to' filepath='drivers/hwspinlock/hwspinlock_core.c' line='206' column='1'/>
+        <parameter type-id='95e97e5e' name='mode' filepath='drivers/hwspinlock/hwspinlock_core.c' line='207' column='1'/>
+        <parameter type-id='1d2c2b85' name='flags' filepath='drivers/hwspinlock/hwspinlock_core.c' line='207' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__hwspin_trylock' mangled-name='__hwspin_trylock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hwspin_trylock'>
+        <parameter type-id='0cb0b26f' name='hwlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='91' column='1'/>
+        <parameter type-id='95e97e5e' name='mode' filepath='drivers/hwspinlock/hwspinlock_core.c' line='91' column='1'/>
+        <parameter type-id='1d2c2b85' name='flags' filepath='drivers/hwspinlock/hwspinlock_core.c' line='91' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__hwspin_unlock' mangled-name='__hwspin_unlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hwspin_unlock'>
+        <parameter type-id='0cb0b26f' name='hwlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1'/>
+        <parameter type-id='95e97e5e' name='mode' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1'/>
+        <parameter type-id='1d2c2b85' name='flags' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__i2c_smbus_xfer' mangled-name='__i2c_smbus_xfer' filepath='drivers/i2c/i2c-core-smbus.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__i2c_smbus_xfer'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-smbus.c' line='550' column='1'/>
+        <parameter type-id='1dc6a898' name='addr' filepath='drivers/i2c/i2c-core-smbus.c' line='550' column='1'/>
+        <parameter type-id='8efea9e5' name='flags' filepath='drivers/i2c/i2c-core-smbus.c' line='551' column='1'/>
+        <parameter type-id='a84c031d' name='read_write' filepath='drivers/i2c/i2c-core-smbus.c' line='551' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='552' column='1'/>
+        <parameter type-id='95e97e5e' name='protocol' filepath='drivers/i2c/i2c-core-smbus.c' line='552' column='1'/>
+        <parameter type-id='a556dccb' name='data' filepath='drivers/i2c/i2c-core-smbus.c' line='552' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='__i2c_transfer' mangled-name='__i2c_transfer' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__i2c_transfer'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1'/>
+        <parameter type-id='cd44bc95' name='msgs' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1'/>
+        <parameter type-id='95e97e5e' name='num' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__ieee80211_schedule_txq' mangled-name='__ieee80211_schedule_txq' filepath='net/mac80211/tx.c' line='3855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ieee80211_schedule_txq'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='3855' column='1'/>
+        <parameter type-id='cde83d0f' name='txq' filepath='net/mac80211/tx.c' line='3856' column='1'/>
+        <parameter type-id='b50a4934' name='force' filepath='net/mac80211/tx.c' line='3857' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__iio_device_register' mangled-name='__iio_device_register' filepath='drivers/iio/industrialio-core.c' line='1721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__iio_device_register'>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1721' column='1'/>
+        <parameter type-id='2730d015' name='this_mod' filepath='drivers/iio/industrialio-core.c' line='1721' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__init_rwsem' mangled-name='__init_rwsem' filepath='kernel/locking/rwsem.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__init_rwsem'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='325' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/locking/rwsem.c' line='325' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='kernel/locking/rwsem.c' line='326' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__init_swait_queue_head' mangled-name='__init_swait_queue_head' filepath='kernel/sched/swait.c' line='7' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__init_swait_queue_head'>
+        <parameter type-id='571ea5c0' name='q' filepath='kernel/sched/swait.c' line='7' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/sched/swait.c' line='7' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='kernel/sched/swait.c' line='8' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__init_waitqueue_head' mangled-name='__init_waitqueue_head' filepath='kernel/sched/wait.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__init_waitqueue_head'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='10' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/sched/wait.c' line='10' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='kernel/sched/wait.c' line='10' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__ioread32_copy' mangled-name='__ioread32_copy' filepath='lib/iomap_copy.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ioread32_copy'>
+        <parameter type-id='eaa32e2f' name='to' filepath='lib/iomap_copy.c' line='42' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='lib/iomap_copy.c' line='42' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/iomap_copy.c' line='42' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__ioremap' mangled-name='__ioremap' filepath='arch/arm64/mm/ioremap.c' line='228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ioremap'>
+        <parameter type-id='2522883d' name='phys_addr' filepath='arch/arm64/mm/ioremap.c' line='228' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='arch/arm64/mm/ioremap.c' line='228' column='1'/>
+        <parameter type-id='2e2dcbd3' name='prot' filepath='arch/arm64/mm/ioremap.c' line='228' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__iowrite32_copy' mangled-name='__iowrite32_copy' filepath='lib/iomap_copy.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__iowrite32_copy'>
+        <parameter type-id='eaa32e2f' name='to' filepath='lib/iomap_copy.c' line='19' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='lib/iomap_copy.c' line='20' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/iomap_copy.c' line='21' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__ipv6_addr_type' mangled-name='__ipv6_addr_type' filepath='net/ipv6/addrconf_core.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ipv6_addr_type'>
+        <parameter type-id='fea9c20b' name='addr' filepath='net/ipv6/addrconf_core.c' line='38' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__irq_alloc_descs' mangled-name='__irq_alloc_descs' filepath='kernel/irq/irqdesc.c' line='784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__irq_alloc_descs'>
+        <parameter type-id='95e97e5e' name='irq' filepath='kernel/irq/irqdesc.c' line='784' column='1'/>
+        <parameter type-id='f0981eeb' name='from' filepath='kernel/irq/irqdesc.c' line='784' column='1'/>
+        <parameter type-id='f0981eeb' name='cnt' filepath='kernel/irq/irqdesc.c' line='784' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='kernel/irq/irqdesc.c' line='784' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='kernel/irq/irqdesc.c' line='785' column='1'/>
+        <parameter type-id='07779cd9' name='affinity' filepath='kernel/irq/irqdesc.c' line='785' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__irq_alloc_domain_generic_chips' mangled-name='__irq_alloc_domain_generic_chips' filepath='kernel/irq/generic-chip.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__irq_alloc_domain_generic_chips'>
+        <parameter type-id='7544e824' name='d' filepath='kernel/irq/generic-chip.c' line='283' column='1'/>
+        <parameter type-id='95e97e5e' name='irqs_per_chip' filepath='kernel/irq/generic-chip.c' line='283' column='1'/>
+        <parameter type-id='95e97e5e' name='num_ct' filepath='kernel/irq/generic-chip.c' line='284' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/irq/generic-chip.c' line='284' column='1'/>
+        <parameter type-id='cdb741d3' name='handler' filepath='kernel/irq/generic-chip.c' line='285' column='1'/>
+        <parameter type-id='f0981eeb' name='clr' filepath='kernel/irq/generic-chip.c' line='286' column='1'/>
+        <parameter type-id='f0981eeb' name='set' filepath='kernel/irq/generic-chip.c' line='286' column='1'/>
+        <parameter type-id='7a1ec3b1' name='gcflags' filepath='kernel/irq/generic-chip.c' line='287' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__irq_domain_add' mangled-name='__irq_domain_add' filepath='kernel/irq/irqdomain.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__irq_domain_add'>
+        <parameter type-id='4a935625' name='fwnode' filepath='kernel/irq/irqdomain.c' line='229' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='kernel/irq/irqdomain.c' line='229' column='1'/>
+        <parameter type-id='88370ce9' name='hwirq_max' filepath='kernel/irq/irqdomain.c' line='230' column='1'/>
+        <parameter type-id='95e97e5e' name='direct_max' filepath='kernel/irq/irqdomain.c' line='230' column='1'/>
+        <parameter type-id='2c202856' name='ops' filepath='kernel/irq/irqdomain.c' line='231' column='1'/>
+        <parameter type-id='eaa32e2f' name='host_data' filepath='kernel/irq/irqdomain.c' line='232' column='1'/>
+        <return type-id='7544e824'/>
+      </function-decl>
+      <function-decl name='__kfifo_alloc' mangled-name='__kfifo_alloc' filepath='lib/kfifo.c' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_alloc'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='24' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='lib/kfifo.c' line='24' column='1'/>
+        <parameter type-id='b59d7dce' name='esize' filepath='lib/kfifo.c' line='25' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/kfifo.c' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__kfifo_free' mangled-name='__kfifo_free' filepath='lib/kfifo.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_free'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='55' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__kfifo_from_user_r' mangled-name='__kfifo_from_user_r' filepath='lib/kfifo.c' line='499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_from_user_r'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='499' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='lib/kfifo.c' line='499' column='1'/>
+        <parameter type-id='7359adad' name='len' filepath='lib/kfifo.c' line='500' column='1'/>
+        <parameter type-id='807869d3' name='copied' filepath='lib/kfifo.c' line='500' column='1'/>
+        <parameter type-id='b59d7dce' name='recsize' filepath='lib/kfifo.c' line='500' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__kfifo_in' mangled-name='__kfifo_in' filepath='lib/kfifo.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_in'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='113' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/kfifo.c' line='114' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='lib/kfifo.c' line='114' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='__kfifo_in_r' mangled-name='__kfifo_in_r' filepath='lib/kfifo.c' line='438' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_in_r'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='438' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/kfifo.c' line='438' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='lib/kfifo.c' line='439' column='1'/>
+        <parameter type-id='b59d7dce' name='recsize' filepath='lib/kfifo.c' line='439' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='__kfifo_init' mangled-name='__kfifo_init' filepath='lib/kfifo.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_init'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='66' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='lib/kfifo.c' line='66' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='lib/kfifo.c' line='67' column='1'/>
+        <parameter type-id='b59d7dce' name='esize' filepath='lib/kfifo.c' line='67' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__kfifo_out' mangled-name='__kfifo_out' filepath='lib/kfifo.c' line='166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_out'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='166' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/kfifo.c' line='167' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='lib/kfifo.c' line='167' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='__kfifo_out_peek' mangled-name='__kfifo_out_peek' filepath='lib/kfifo.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_out_peek'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='152' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/kfifo.c' line='153' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='lib/kfifo.c' line='153' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='__kfifo_skip_r' mangled-name='__kfifo_skip_r' filepath='lib/kfifo.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_skip_r'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='490' column='1'/>
+        <parameter type-id='b59d7dce' name='recsize' filepath='lib/kfifo.c' line='490' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__kfifo_to_user' mangled-name='__kfifo_to_user' filepath='lib/kfifo.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_to_user'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='270' column='1'/>
+        <parameter type-id='eaa32e2f' name='to' filepath='lib/kfifo.c' line='270' column='1'/>
+        <parameter type-id='7359adad' name='len' filepath='lib/kfifo.c' line='271' column='1'/>
+        <parameter type-id='807869d3' name='copied' filepath='lib/kfifo.c' line='271' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__kfifo_to_user_r' mangled-name='__kfifo_to_user_r' filepath='lib/kfifo.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_to_user_r'>
+        <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='523' column='1'/>
+        <parameter type-id='eaa32e2f' name='to' filepath='lib/kfifo.c' line='523' column='1'/>
+        <parameter type-id='7359adad' name='len' filepath='lib/kfifo.c' line='524' column='1'/>
+        <parameter type-id='807869d3' name='copied' filepath='lib/kfifo.c' line='524' column='1'/>
+        <parameter type-id='b59d7dce' name='recsize' filepath='lib/kfifo.c' line='524' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__kfree_skb' mangled-name='__kfree_skb' filepath='net/core/skbuff.c' line='691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfree_skb'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='691' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__kmalloc' mangled-name='__kmalloc' filepath='mm/slub.c' line='4016' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kmalloc'>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/slub.c' line='4016' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='mm/slub.c' line='4016' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__kthread_init_worker' mangled-name='__kthread_init_worker' filepath='kernel/kthread.c' line='692' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kthread_init_worker'>
+        <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='692' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/kthread.c' line='693' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='kernel/kthread.c' line='694' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__list_add_valid' mangled-name='__list_add_valid' filepath='lib/list_debug.c' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__list_add_valid'>
+        <parameter type-id='e84b031a' name='new' filepath='lib/list_debug.c' line='20' column='1'/>
+        <parameter type-id='e84b031a' name='prev' filepath='lib/list_debug.c' line='20' column='1'/>
+        <parameter type-id='e84b031a' name='next' filepath='lib/list_debug.c' line='21' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__list_del_entry_valid' mangled-name='__list_del_entry_valid' filepath='lib/list_debug.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__list_del_entry_valid'>
+        <parameter type-id='e84b031a' name='entry' filepath='lib/list_debug.c' line='42' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__local_bh_enable_ip' mangled-name='__local_bh_enable_ip' filepath='kernel/softirq.c' line='171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__local_bh_enable_ip'>
+        <parameter type-id='7359adad' name='ip' filepath='kernel/softirq.c' line='171' column='1'/>
+        <parameter type-id='f0981eeb' name='cnt' filepath='kernel/softirq.c' line='171' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__lock_page' mangled-name='__lock_page' filepath='mm/filemap.c' line='1544' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__lock_page'>
+        <parameter type-id='02f11ed4' name='__page' filepath='mm/filemap.c' line='1544' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__log_post_read_mmio' mangled-name='__log_post_read_mmio' filepath='kernel/trace/trace_readwrite.c' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__log_post_read_mmio'>
+        <parameter type-id='91ce1af9' name='val' filepath='kernel/trace/trace_readwrite.c' line='32' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='kernel/trace/trace_readwrite.c' line='32' column='1'/>
+        <parameter type-id='60f8eab0' name='addr' filepath='kernel/trace/trace_readwrite.c' line='32' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__log_read_mmio' mangled-name='__log_read_mmio' filepath='kernel/trace/trace_readwrite.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__log_read_mmio'>
+        <parameter type-id='f9b06939' name='width' filepath='kernel/trace/trace_readwrite.c' line='25' column='1'/>
+        <parameter type-id='60f8eab0' name='addr' filepath='kernel/trace/trace_readwrite.c' line='25' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__log_write_mmio' mangled-name='__log_write_mmio' filepath='kernel/trace/trace_readwrite.c' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__log_write_mmio'>
+        <parameter type-id='91ce1af9' name='val' filepath='kernel/trace/trace_readwrite.c' line='18' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='kernel/trace/trace_readwrite.c' line='18' column='1'/>
+        <parameter type-id='fe09dd29' name='addr' filepath='kernel/trace/trace_readwrite.c' line='18' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__mdiobus_read' mangled-name='__mdiobus_read' filepath='drivers/net/phy/mdio_bus.c' line='751' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mdiobus_read'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='751' column='1'/>
+        <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='751' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='751' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__mdiobus_register' mangled-name='__mdiobus_register' filepath='drivers/net/phy/mdio_bus.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mdiobus_register'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='523' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/net/phy/mdio_bus.c' line='523' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__mdiobus_write' mangled-name='__mdiobus_write' filepath='drivers/net/phy/mdio_bus.c' line='777' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mdiobus_write'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='777' column='1'/>
+        <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='777' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='777' column='1'/>
+        <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/mdio_bus.c' line='777' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__media_device_register' mangled-name='__media_device_register' filepath='drivers/media/mc/mc-device.c' line='737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__media_device_register'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='737' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/media/mc/mc-device.c' line='738' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__media_device_usb_init' mangled-name='__media_device_usb_init' filepath='drivers/media/mc/mc-device.c' line='881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__media_device_usb_init'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='881' column='1'/>
+        <parameter type-id='25e60cb2' name='udev' filepath='drivers/media/mc/mc-device.c' line='882' column='1'/>
+        <parameter type-id='80f4b756' name='board_name' filepath='drivers/media/mc/mc-device.c' line='883' column='1'/>
+        <parameter type-id='80f4b756' name='driver_name' filepath='drivers/media/mc/mc-device.c' line='884' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__media_entity_setup_link' mangled-name='__media_entity_setup_link' filepath='drivers/media/mc/mc-entity.c' line='830' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__media_entity_setup_link'>
+        <parameter type-id='b4de78ea' name='link' filepath='drivers/media/mc/mc-entity.c' line='830' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='830' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__media_pipeline_start' mangled-name='__media_pipeline_start' filepath='drivers/media/mc/mc-entity.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__media_pipeline_start'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='407' column='1'/>
+        <parameter type-id='4ffae8c8' name='pipe' filepath='drivers/media/mc/mc-entity.c' line='408' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__media_pipeline_stop' mangled-name='__media_pipeline_stop' filepath='drivers/media/mc/mc-entity.c' line='545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__media_pipeline_stop'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='545' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__memcpy_fromio' mangled-name='__memcpy_fromio' filepath='arch/arm64/kernel/io.c' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__memcpy_fromio'>
+        <parameter type-id='eaa32e2f' name='to' filepath='arch/arm64/kernel/io.c' line='15' column='1'/>
+        <parameter type-id='60f8eab0' name='from' filepath='arch/arm64/kernel/io.c' line='15' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='arch/arm64/kernel/io.c' line='15' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__memcpy_toio' mangled-name='__memcpy_toio' filepath='arch/arm64/kernel/io.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__memcpy_toio'>
+        <parameter type-id='fe09dd29' name='to' filepath='arch/arm64/kernel/io.c' line='43' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='arch/arm64/kernel/io.c' line='43' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='arch/arm64/kernel/io.c' line='43' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__memset_io' mangled-name='__memset_io' filepath='arch/arm64/kernel/io.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__memset_io'>
+        <parameter type-id='fe09dd29' name='dst' filepath='arch/arm64/kernel/io.c' line='71' column='1'/>
+        <parameter type-id='95e97e5e' name='c' filepath='arch/arm64/kernel/io.c' line='71' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='arch/arm64/kernel/io.c' line='71' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__mmc_claim_host' mangled-name='__mmc_claim_host' filepath='drivers/mmc/core/core.c' line='785' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mmc_claim_host'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='785' column='1'/>
+        <parameter type-id='f1e196e0' name='ctx' filepath='drivers/mmc/core/core.c' line='785' column='1'/>
+        <parameter type-id='8a47abc3' name='abort' filepath='drivers/mmc/core/core.c' line='786' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__mmc_send_status' mangled-name='__mmc_send_status' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mmc_send_status'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1'/>
+        <parameter type-id='f9409001' name='status' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1'/>
+        <parameter type-id='f0981eeb' name='retries' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__mmdrop' mangled-name='__mmdrop' filepath='kernel/fork.c' line='721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mmdrop'>
+        <parameter type-id='df4b7819' name='mm' filepath='kernel/fork.c' line='721' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__module_get' mangled-name='__module_get' filepath='kernel/module.c' line='1124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__module_get'>
+        <parameter type-id='2730d015' name='module' filepath='kernel/module.c' line='1124' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__msecs_to_jiffies' mangled-name='__msecs_to_jiffies' filepath='kernel/time/time.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__msecs_to_jiffies'>
+        <parameter type-id='20f5f452' name='m' filepath='kernel/time/time.c' line='552' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='__mutex_init' mangled-name='__mutex_init' filepath='kernel/locking/mutex.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mutex_init'>
+        <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='42' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/locking/mutex.c' line='42' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='kernel/locking/mutex.c' line='42' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__napi_alloc_skb' mangled-name='__napi_alloc_skb' filepath='net/core/skbuff.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__napi_alloc_skb'>
+        <parameter type-id='c50361c5' name='napi' filepath='net/core/skbuff.c' line='506' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='506' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='507' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__napi_schedule' mangled-name='__napi_schedule' filepath='net/core/dev.c' line='6434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__napi_schedule'>
+        <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6434' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__napi_schedule_irqoff' mangled-name='__napi_schedule_irqoff' filepath='net/core/dev.c' line='6487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__napi_schedule_irqoff'>
+        <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__ndelay' mangled-name='__ndelay' filepath='arch/arm64/lib/delay.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ndelay'>
+        <parameter type-id='7359adad' name='nsecs' filepath='arch/arm64/lib/delay.c' line='55' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__netdev_alloc_skb' mangled-name='__netdev_alloc_skb' filepath='net/core/skbuff.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netdev_alloc_skb'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/skbuff.c' line='431' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='431' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='432' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__netif_napi_del' mangled-name='__netif_napi_del' filepath='net/core/dev.c' line='6813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netif_napi_del'>
+        <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='6813' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__netif_set_xps_queue' mangled-name='__netif_set_xps_queue' filepath='net/core/dev.c' line='2627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netif_set_xps_queue'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='2627' column='1'/>
+        <parameter type-id='f9b37274' name='mask' filepath='net/core/dev.c' line='2627' column='1'/>
+        <parameter type-id='1dc6a898' name='index' filepath='net/core/dev.c' line='2628' column='1'/>
+        <parameter type-id='b50a4934' name='is_rxqs_map' filepath='net/core/dev.c' line='2628' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__netlink_kernel_create' mangled-name='__netlink_kernel_create' filepath='net/netlink/af_netlink.c' line='2023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netlink_kernel_create'>
+        <parameter type-id='a2bff676' name='net' filepath='net/netlink/af_netlink.c' line='2023' column='1'/>
+        <parameter type-id='95e97e5e' name='unit' filepath='net/netlink/af_netlink.c' line='2023' column='1'/>
+        <parameter type-id='2730d015' name='module' filepath='net/netlink/af_netlink.c' line='2023' column='1'/>
+        <parameter type-id='8438f281' name='cfg' filepath='net/netlink/af_netlink.c' line='2024' column='1'/>
+        <return type-id='f772df6d'/>
+      </function-decl>
+      <function-decl name='__nla_parse' mangled-name='__nla_parse' filepath='lib/nlattr.c' line='683' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__nla_parse'>
+        <parameter type-id='30864cdc' name='tb' filepath='lib/nlattr.c' line='683' column='1'/>
+        <parameter type-id='95e97e5e' name='maxtype' filepath='lib/nlattr.c' line='683' column='1'/>
+        <parameter type-id='0f2a7ce5' name='head' filepath='lib/nlattr.c' line='684' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='lib/nlattr.c' line='684' column='1'/>
+        <parameter type-id='109cdb66' name='policy' filepath='lib/nlattr.c' line='685' column='1'/>
+        <parameter type-id='f0981eeb' name='validate' filepath='lib/nlattr.c' line='685' column='1'/>
+        <parameter type-id='5799dc94' name='extack' filepath='lib/nlattr.c' line='686' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__nlmsg_put' mangled-name='__nlmsg_put' filepath='net/netlink/af_netlink.c' line='2163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__nlmsg_put'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/af_netlink.c' line='2163' column='1'/>
+        <parameter type-id='19c2251e' name='portid' filepath='net/netlink/af_netlink.c' line='2163' column='1'/>
+        <parameter type-id='19c2251e' name='seq' filepath='net/netlink/af_netlink.c' line='2163' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='net/netlink/af_netlink.c' line='2163' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='net/netlink/af_netlink.c' line='2163' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/netlink/af_netlink.c' line='2163' column='1'/>
+        <return type-id='c2074578'/>
+      </function-decl>
+      <var-decl name='__num_online_cpus' type-id='49178f86' mangled-name='__num_online_cpus' visibility='default' filepath='kernel/cpu.c' line='2801' column='1' elf-symbol-id='__num_online_cpus'/>
+      <function-decl name='__of_reset_control_get' mangled-name='__of_reset_control_get' filepath='drivers/reset/core.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__of_reset_control_get'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/reset/core.c' line='605' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/reset/core.c' line='606' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/reset/core.c' line='606' column='1'/>
+        <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='606' column='1'/>
+        <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='607' column='1'/>
+        <parameter type-id='b50a4934' name='acquired' filepath='drivers/reset/core.c' line='607' column='1'/>
+        <return type-id='9f9b8114'/>
+      </function-decl>
+      <function-decl name='__page_frag_cache_drain' mangled-name='__page_frag_cache_drain' filepath='mm/page_alloc.c' line='5465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__page_frag_cache_drain'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='5465' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='mm/page_alloc.c' line='5465' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__page_pinner_put_page' mangled-name='__page_pinner_put_page' filepath='mm/page_pinner.c' line='274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__page_pinner_put_page'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page_pinner.c' line='274' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__pci_register_driver' mangled-name='__pci_register_driver' filepath='drivers/pci/pci-driver.c' line='1378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pci_register_driver'>
+        <parameter type-id='85b59624' name='drv' filepath='drivers/pci/pci-driver.c' line='1378' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/pci/pci-driver.c' line='1378' column='1'/>
+        <parameter type-id='80f4b756' name='mod_name' filepath='drivers/pci/pci-driver.c' line='1379' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='__per_cpu_offset' type-id='bc3af5fa' mangled-name='__per_cpu_offset' visibility='default' filepath='mm/percpu.c' line='3083' column='1' elf-symbol-id='__per_cpu_offset'/>
+      <function-decl name='__percpu_down_read' mangled-name='__percpu_down_read' filepath='kernel/locking/percpu-rwsem.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__percpu_down_read'>
+        <parameter type-id='652d9ef9' name='sem' filepath='kernel/locking/percpu-rwsem.c' line='167' column='1'/>
+        <parameter type-id='b50a4934' name='try' filepath='kernel/locking/percpu-rwsem.c' line='167' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__phy_modify' mangled-name='__phy_modify' filepath='drivers/net/phy/phy-core.c' line='609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__phy_modify'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+        <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+        <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__platform_driver_probe' mangled-name='__platform_driver_probe' filepath='drivers/base/platform.c' line='850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__platform_driver_probe'>
+        <parameter type-id='d53c2eb5' name='drv' filepath='drivers/base/platform.c' line='850' column='1'/>
+        <parameter type-id='e05ae2cd' name='probe' filepath='drivers/base/platform.c' line='851' column='1'/>
+        <parameter type-id='2730d015' name='module' filepath='drivers/base/platform.c' line='851' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__platform_driver_register' mangled-name='__platform_driver_register' filepath='drivers/base/platform.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__platform_driver_register'>
+        <parameter type-id='d53c2eb5' name='drv' filepath='drivers/base/platform.c' line='807' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/base/platform.c' line='808' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__platform_register_drivers' mangled-name='__platform_register_drivers' filepath='drivers/base/platform.c' line='972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__platform_register_drivers'>
+        <parameter type-id='77e06080' name='drivers' filepath='drivers/base/platform.c' line='972' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='drivers/base/platform.c' line='973' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/base/platform.c' line='973' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__pm_relax' mangled-name='__pm_relax' filepath='drivers/base/power/wakeup.c' line='757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_relax'>
+        <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='757' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__pm_runtime_disable' mangled-name='__pm_runtime_disable' filepath='drivers/base/power/runtime.c' line='1413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_disable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1413' column='1'/>
+        <parameter type-id='b50a4934' name='check_resume' filepath='drivers/base/power/runtime.c' line='1413' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__pm_runtime_idle' mangled-name='__pm_runtime_idle' filepath='drivers/base/power/runtime.c' line='1061' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_idle'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1061' column='1'/>
+        <parameter type-id='95e97e5e' name='rpmflags' filepath='drivers/base/power/runtime.c' line='1061' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__pm_runtime_resume' mangled-name='__pm_runtime_resume' filepath='drivers/base/power/runtime.c' line='1128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_resume'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1128' column='1'/>
+        <parameter type-id='95e97e5e' name='rpmflags' filepath='drivers/base/power/runtime.c' line='1128' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__pm_runtime_set_status' mangled-name='__pm_runtime_set_status' filepath='drivers/base/power/runtime.c' line='1216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_set_status'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1216' column='1'/>
+        <parameter type-id='f0981eeb' name='status' filepath='drivers/base/power/runtime.c' line='1216' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__pm_runtime_suspend' mangled-name='__pm_runtime_suspend' filepath='drivers/base/power/runtime.c' line='1095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_suspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1095' column='1'/>
+        <parameter type-id='95e97e5e' name='rpmflags' filepath='drivers/base/power/runtime.c' line='1095' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__pm_runtime_use_autosuspend' mangled-name='__pm_runtime_use_autosuspend' filepath='drivers/base/power/runtime.c' line='1636' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_use_autosuspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1636' column='1'/>
+        <parameter type-id='b50a4934' name='use' filepath='drivers/base/power/runtime.c' line='1636' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__pm_stay_awake' mangled-name='__pm_stay_awake' filepath='drivers/base/power/wakeup.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_stay_awake'>
+        <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='640' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__printk_ratelimit' mangled-name='__printk_ratelimit' filepath='kernel/printk/printk.c' line='3136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__printk_ratelimit'>
+        <parameter type-id='80f4b756' name='func' filepath='kernel/printk/printk.c' line='3136' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__pskb_copy_fclone' mangled-name='__pskb_copy_fclone' filepath='net/core/skbuff.c' line='1566' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pskb_copy_fclone'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1566' column='1'/>
+        <parameter type-id='95e97e5e' name='headroom' filepath='net/core/skbuff.c' line='1566' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1567' column='1'/>
+        <parameter type-id='b50a4934' name='fclone' filepath='net/core/skbuff.c' line='1567' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__pskb_pull_tail' mangled-name='__pskb_pull_tail' filepath='net/core/skbuff.c' line='2105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pskb_pull_tail'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='2105' column='1'/>
+        <parameter type-id='95e97e5e' name='delta' filepath='net/core/skbuff.c' line='2105' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__put_cred' mangled-name='__put_cred' filepath='kernel/cred.c' line='134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__put_cred'>
+        <parameter type-id='10cfb911' name='cred' filepath='kernel/cred.c' line='134' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__put_page' mangled-name='__put_page' filepath='mm/swap.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__put_page'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/swap.c' line='120' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__put_task_struct' mangled-name='__put_task_struct' filepath='kernel/fork.c' line='770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__put_task_struct'>
+        <parameter type-id='f23e2572' name='tsk' filepath='kernel/fork.c' line='770' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__rcu_read_lock' mangled-name='__rcu_read_lock' filepath='kernel/rcu/tree_plugin.h' line='374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rcu_read_lock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__rcu_read_unlock' mangled-name='__rcu_read_unlock' filepath='kernel/rcu/tree_plugin.h' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rcu_read_unlock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__refrigerator' mangled-name='__refrigerator' filepath='kernel/freezer.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__refrigerator'>
+        <parameter type-id='b50a4934' name='check_kthr_stop' filepath='kernel/freezer.c' line='60' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__register_chrdev' mangled-name='__register_chrdev' filepath='fs/char_dev.c' line='268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__register_chrdev'>
+        <parameter type-id='f0981eeb' name='major' filepath='fs/char_dev.c' line='268' column='1'/>
+        <parameter type-id='f0981eeb' name='baseminor' filepath='fs/char_dev.c' line='268' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='269' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='269' column='1'/>
+        <parameter type-id='61758ee5' name='fops' filepath='fs/char_dev.c' line='270' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__register_rpmsg_driver' mangled-name='__register_rpmsg_driver' filepath='drivers/rpmsg/rpmsg_core.c' line='645' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__register_rpmsg_driver'>
+        <parameter type-id='7331a99f' name='rpdrv' filepath='drivers/rpmsg/rpmsg_core.c' line='645' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/rpmsg/rpmsg_core.c' line='645' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__regmap_init' mangled-name='__regmap_init' filepath='drivers/base/regmap/regmap.c' line='702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__regmap_init'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='702' column='1'/>
+        <parameter type-id='00e96299' name='bus' filepath='drivers/base/regmap/regmap.c' line='703' column='1'/>
+        <parameter type-id='eaa32e2f' name='bus_context' filepath='drivers/base/regmap/regmap.c' line='704' column='1'/>
+        <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap.c' line='705' column='1'/>
+        <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap.c' line='706' column='1'/>
+        <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap.c' line='707' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='__release_region' mangled-name='__release_region' filepath='kernel/resource.c' line='1199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__release_region'>
+        <parameter type-id='c9d64c0d' name='parent' filepath='kernel/resource.c' line='1199' column='1'/>
+        <parameter type-id='acc63fdf' name='start' filepath='kernel/resource.c' line='1199' column='1'/>
+        <parameter type-id='acc63fdf' name='n' filepath='kernel/resource.c' line='1200' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__request_module' mangled-name='__request_module' filepath='kernel/kmod.c' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__request_module'>
+        <parameter type-id='b50a4934' name='wait' filepath='kernel/kmod.c' line='124' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/kmod.c' line='124' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__request_percpu_irq' mangled-name='__request_percpu_irq' filepath='kernel/irq/manage.c' line='2496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__request_percpu_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2496' column='1'/>
+        <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/manage.c' line='2496' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='kernel/irq/manage.c' line='2497' column='1'/>
+        <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/manage.c' line='2497' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='2498' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__request_region' mangled-name='__request_region' filepath='kernel/resource.c' line='1126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__request_region'>
+        <parameter type-id='c9d64c0d' name='parent' filepath='kernel/resource.c' line='1126' column='1'/>
+        <parameter type-id='acc63fdf' name='start' filepath='kernel/resource.c' line='1127' column='1'/>
+        <parameter type-id='acc63fdf' name='n' filepath='kernel/resource.c' line='1127' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/resource.c' line='1128' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='kernel/resource.c' line='1128' column='1'/>
+        <return type-id='c9d64c0d'/>
+      </function-decl>
+      <function-decl name='__reset_control_get' mangled-name='__reset_control_get' filepath='drivers/reset/core.c' line='731' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__reset_control_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='731' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/reset/core.c' line='731' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/reset/core.c' line='732' column='1'/>
+        <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='732' column='1'/>
+        <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='732' column='1'/>
+        <parameter type-id='b50a4934' name='acquired' filepath='drivers/reset/core.c' line='733' column='1'/>
+        <return type-id='9f9b8114'/>
+      </function-decl>
+      <function-decl name='__rht_bucket_nested' mangled-name='__rht_bucket_nested' filepath='lib/rhashtable.c' line='1174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rht_bucket_nested'>
+        <parameter type-id='6a4a6779' name='tbl' filepath='lib/rhashtable.c' line='1175' column='1'/>
+        <parameter type-id='f0981eeb' name='hash' filepath='lib/rhashtable.c' line='1175' column='1'/>
+        <return type-id='33f7eff4'/>
+      </function-decl>
+      <function-decl name='__root_device_register' mangled-name='__root_device_register' filepath='drivers/base/core.c' line='3810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__root_device_register'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/core.c' line='3810' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/base/core.c' line='3810' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='__rt_mutex_init' mangled-name='__rt_mutex_init' filepath='kernel/locking/rtmutex.c' line='1676' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rt_mutex_init'>
+        <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1676' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/locking/rtmutex.c' line='1676' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='kernel/locking/rtmutex.c' line='1677' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__rtc_register_device' mangled-name='__rtc_register_device' filepath='drivers/rtc/class.c' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rtc_register_device'>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/rtc/class.c' line='397' column='1'/>
+        <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/class.c' line='397' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__scsi_add_device' mangled-name='__scsi_add_device' filepath='drivers/scsi/scsi_scan.c' line='1479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_add_device'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_scan.c' line='1479' column='1'/>
+        <parameter type-id='6e160b14' name='channel' filepath='drivers/scsi/scsi_scan.c' line='1479' column='1'/>
+        <parameter type-id='6e160b14' name='id' filepath='drivers/scsi/scsi_scan.c' line='1480' column='1'/>
+        <parameter type-id='91ce1af9' name='lun' filepath='drivers/scsi/scsi_scan.c' line='1480' column='1'/>
+        <parameter type-id='eaa32e2f' name='hostdata' filepath='drivers/scsi/scsi_scan.c' line='1480' column='1'/>
+        <return type-id='eb572b74'/>
+      </function-decl>
+      <function-decl name='__scsi_execute' mangled-name='__scsi_execute' filepath='drivers/scsi/scsi_lib.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_execute'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_lib.c' line='240' column='1'/>
+        <parameter type-id='354f7eb9' name='cmd' filepath='drivers/scsi/scsi_lib.c' line='240' column='1'/>
+        <parameter type-id='95e97e5e' name='data_direction' filepath='drivers/scsi/scsi_lib.c' line='241' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/scsi/scsi_lib.c' line='241' column='1'/>
+        <parameter type-id='f0981eeb' name='bufflen' filepath='drivers/scsi/scsi_lib.c' line='241' column='1'/>
+        <parameter type-id='cf536864' name='sense' filepath='drivers/scsi/scsi_lib.c' line='242' column='1'/>
+        <parameter type-id='991b8213' name='sshdr' filepath='drivers/scsi/scsi_lib.c' line='242' column='1'/>
+        <parameter type-id='95e97e5e' name='timeout' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+        <parameter type-id='95e97e5e' name='retries' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+        <parameter type-id='91ce1af9' name='flags' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+        <parameter type-id='3b445e53' name='rq_flags' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+        <parameter type-id='7292109c' name='resid' filepath='drivers/scsi/scsi_lib.c' line='244' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__scsi_iterate_devices' mangled-name='__scsi_iterate_devices' filepath='drivers/scsi/scsi.c' line='554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_iterate_devices'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi.c' line='554' column='1'/>
+        <parameter type-id='eb572b74' name='prev' filepath='drivers/scsi/scsi.c' line='555' column='1'/>
+        <return type-id='eb572b74'/>
+      </function-decl>
+      <function-decl name='__scsi_print_sense' mangled-name='__scsi_print_sense' filepath='drivers/scsi/scsi_logging.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_print_sense'>
+        <parameter type-id='0f176ec1' name='sdev' filepath='drivers/scsi/scsi_logging.c' line='366' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/scsi/scsi_logging.c' line='366' column='1'/>
+        <parameter type-id='354f7eb9' name='sense_buffer' filepath='drivers/scsi/scsi_logging.c' line='367' column='1'/>
+        <parameter type-id='95e97e5e' name='sense_len' filepath='drivers/scsi/scsi_logging.c' line='367' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__sdhci_add_host' mangled-name='__sdhci_add_host' filepath='drivers/mmc/host/sdhci.c' line='4750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sdhci_add_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4750' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__sdhci_set_timeout' mangled-name='__sdhci_set_timeout' filepath='drivers/mmc/host/sdhci.c' line='1032' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sdhci_set_timeout'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='1032' column='1'/>
+        <parameter type-id='6df3750c' name='cmd' filepath='drivers/mmc/host/sdhci.c' line='1032' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__seq_open_private' mangled-name='__seq_open_private' filepath='fs/seq_file.c' line='619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__seq_open_private'>
+        <parameter type-id='77e79a4b' name='f' filepath='fs/seq_file.c' line='619' column='1'/>
+        <parameter type-id='943a1b48' name='ops' filepath='fs/seq_file.c' line='619' column='1'/>
+        <parameter type-id='95e97e5e' name='psize' filepath='fs/seq_file.c' line='620' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__serio_register_driver' mangled-name='__serio_register_driver' filepath='drivers/input/serio/serio.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__serio_register_driver'>
+        <parameter type-id='1065554a' name='drv' filepath='drivers/input/serio/serio.c' line='814' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/input/serio/serio.c' line='814' column='1'/>
+        <parameter type-id='80f4b756' name='mod_name' filepath='drivers/input/serio/serio.c' line='814' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__serio_register_port' mangled-name='__serio_register_port' filepath='drivers/input/serio/serio.c' line='695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__serio_register_port'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='695' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/input/serio/serio.c' line='695' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__sg_page_iter_dma_next' mangled-name='__sg_page_iter_dma_next' filepath='lib/scatterlist.c' line='722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sg_page_iter_dma_next'>
+        <parameter type-id='f1397bef' name='dma_iter' filepath='lib/scatterlist.c' line='722' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__sg_page_iter_next' mangled-name='__sg_page_iter_next' filepath='lib/scatterlist.c' line='698' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sg_page_iter_next'>
+        <parameter type-id='06f723f0' name='piter' filepath='lib/scatterlist.c' line='698' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__sg_page_iter_start' mangled-name='__sg_page_iter_start' filepath='lib/scatterlist.c' line='681' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sg_page_iter_start'>
+        <parameter type-id='06f723f0' name='piter' filepath='lib/scatterlist.c' line='681' column='1'/>
+        <parameter type-id='bf3ef905' name='sglist' filepath='lib/scatterlist.c' line='682' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='682' column='1'/>
+        <parameter type-id='7359adad' name='pgoffset' filepath='lib/scatterlist.c' line='683' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__skb_ext_put' mangled-name='__skb_ext_put' filepath='net/core/skbuff.c' line='6399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_ext_put'>
+        <parameter type-id='374692c7' name='ext' filepath='net/core/skbuff.c' line='6399' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__skb_flow_dissect' mangled-name='__skb_flow_dissect' filepath='net/core/flow_dissector.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_flow_dissect'>
+        <parameter type-id='f91cf277' name='net' filepath='net/core/flow_dissector.c' line='904' column='1'/>
+        <parameter type-id='11f4a000' name='skb' filepath='net/core/flow_dissector.c' line='905' column='1'/>
+        <parameter type-id='0b8ca8fa' name='flow_dissector' filepath='net/core/flow_dissector.c' line='906' column='1'/>
+        <parameter type-id='eaa32e2f' name='target_container' filepath='net/core/flow_dissector.c' line='907' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+        <parameter type-id='84a5c3d4' name='proto' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+        <parameter type-id='95e97e5e' name='nhoff' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+        <parameter type-id='95e97e5e' name='hlen' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='net/core/flow_dissector.c' line='909' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='__skb_get_hash' mangled-name='__skb_get_hash' filepath='net/core/flow_dissector.c' line='1607' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_get_hash'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/flow_dissector.c' line='1607' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__skb_gso_segment' mangled-name='__skb_gso_segment' filepath='net/core/dev.c' line='3393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_gso_segment'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3393' column='1'/>
+        <parameter type-id='f9f4b16f' name='features' filepath='net/core/dev.c' line='3394' column='1'/>
+        <parameter type-id='b50a4934' name='tx_path' filepath='net/core/dev.c' line='3394' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='__skb_pad' mangled-name='__skb_pad' filepath='net/core/skbuff.c' line='1841' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_pad'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1841' column='1'/>
+        <parameter type-id='95e97e5e' name='pad' filepath='net/core/skbuff.c' line='1841' column='1'/>
+        <parameter type-id='b50a4934' name='free_on_error' filepath='net/core/skbuff.c' line='1841' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__spi_alloc_controller' mangled-name='__spi_alloc_controller' filepath='drivers/spi/spi.c' line='2443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__spi_alloc_controller'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/spi/spi.c' line='2443' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='drivers/spi/spi.c' line='2444' column='1'/>
+        <parameter type-id='b50a4934' name='slave' filepath='drivers/spi/spi.c' line='2444' column='1'/>
+        <return type-id='f22e4524'/>
+      </function-decl>
+      <function-decl name='__spi_register_driver' mangled-name='__spi_register_driver' filepath='drivers/spi/spi.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__spi_register_driver'>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/spi/spi.c' line='440' column='1'/>
+        <parameter type-id='d9c194a6' name='sdrv' filepath='drivers/spi/spi.c' line='440' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__splice_from_pipe' mangled-name='__splice_from_pipe' filepath='fs/splice.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__splice_from_pipe'>
+        <parameter type-id='15d29710' name='pipe' filepath='fs/splice.c' line='552' column='1'/>
+        <parameter type-id='f5bc338f' name='sd' filepath='fs/splice.c' line='552' column='1'/>
+        <parameter type-id='05903717' name='actor' filepath='fs/splice.c' line='553' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='__spmi_driver_register' mangled-name='__spmi_driver_register' filepath='drivers/spmi/spmi.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__spmi_driver_register'>
+        <parameter type-id='34066f8f' name='sdrv' filepath='drivers/spmi/spmi.c' line='567' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/spmi/spmi.c' line='567' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__srcu_read_unlock' mangled-name='__srcu_read_unlock' filepath='kernel/rcu/srcutree.c' line='422' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__srcu_read_unlock'>
+        <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='422' column='1'/>
+        <parameter type-id='95e97e5e' name='idx' filepath='kernel/rcu/srcutree.c' line='422' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__stack_chk_fail' mangled-name='__stack_chk_fail' filepath='kernel/panic.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__stack_chk_fail'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__sw_hweight16' mangled-name='__sw_hweight16' filepath='lib/hweight.c' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight16'>
+        <parameter type-id='f0981eeb' name='w' filepath='lib/hweight.c' line='30' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='__sw_hweight32' mangled-name='__sw_hweight32' filepath='lib/hweight.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight32'>
+        <parameter type-id='f0981eeb' name='w' filepath='lib/hweight.c' line='13' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='__sw_hweight64' mangled-name='__sw_hweight64' filepath='lib/hweight.c' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight64'>
+        <parameter type-id='d3130597' name='w' filepath='lib/hweight.c' line='47' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='__sw_hweight8' mangled-name='__sw_hweight8' filepath='lib/hweight.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight8'>
+        <parameter type-id='f0981eeb' name='w' filepath='lib/hweight.c' line='39' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='__sysfs_match_string' mangled-name='__sysfs_match_string' filepath='lib/string.c' line='771' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sysfs_match_string'>
+        <parameter type-id='13956559' name='array' filepath='lib/string.c' line='771' column='1'/>
+        <parameter type-id='b59d7dce' name='n' filepath='lib/string.c' line='771' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='lib/string.c' line='771' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__task_pid_nr_ns' mangled-name='__task_pid_nr_ns' filepath='kernel/pid.c' line='496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__task_pid_nr_ns'>
+        <parameter type-id='f23e2572' name='task' filepath='kernel/pid.c' line='496' column='1'/>
+        <parameter type-id='ce78cf46' name='type' filepath='kernel/pid.c' line='496' column='1'/>
+        <parameter type-id='b816e1d0' name='ns' filepath='kernel/pid.c' line='497' column='1'/>
+        <return type-id='587f89d2'/>
+      </function-decl>
+      <function-decl name='__tasklet_hi_schedule' mangled-name='__tasklet_hi_schedule' filepath='kernel/softirq.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tasklet_hi_schedule'>
+        <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='540' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__tasklet_schedule' mangled-name='__tasklet_schedule' filepath='kernel/softirq.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tasklet_schedule'>
+        <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='533' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__trace_bprintk' mangled-name='__trace_bprintk' filepath='kernel/trace/trace_printk.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__trace_bprintk'>
+        <parameter type-id='7359adad' name='ip' filepath='kernel/trace/trace_printk.c' line='200' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/trace/trace_printk.c' line='200' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__trace_bputs' mangled-name='__trace_bputs' filepath='kernel/trace/trace.c' line='1064' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__trace_bputs'>
+        <parameter type-id='7359adad' name='ip' filepath='kernel/trace/trace.c' line='1064' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='kernel/trace/trace.c' line='1064' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_arm64_serror_panic' mangled-name='__traceiter_android_rvh_arm64_serror_panic' filepath='include/trace/hooks/traps.h' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_arm64_serror_panic'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/traps.h' line='24' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/traps.h' line='24' column='1'/>
+        <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/traps.h' line='24' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_attach_entity_load_avg' mangled-name='__traceiter_android_rvh_attach_entity_load_avg' filepath='include/trace/hooks/sched.h' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_attach_entity_load_avg'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='381' column='1'/>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='381' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='381' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_bad_mode' mangled-name='__traceiter_android_rvh_bad_mode' filepath='include/trace/hooks/traps.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_bad_mode'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/traps.h' line='20' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/traps.h' line='20' column='1'/>
+        <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/traps.h' line='20' column='1'/>
+        <parameter type-id='95e97e5e' name='reason' filepath='include/trace/hooks/traps.h' line='20' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_can_migrate_task' mangled-name='__traceiter_android_rvh_can_migrate_task' filepath='include/trace/hooks/sched.h' line='50' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_can_migrate_task'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='50' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='50' column='1'/>
+        <parameter type-id='95e97e5e' name='dst_cpu' filepath='include/trace/hooks/sched.h' line='50' column='1'/>
+        <parameter type-id='7292109c' name='can_migrate' filepath='include/trace/hooks/sched.h' line='50' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_cgroup_force_kthread_migration' mangled-name='__traceiter_android_rvh_cgroup_force_kthread_migration' filepath='include/trace/hooks/cgroup.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cgroup_force_kthread_migration'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cgroup.h' line='20' column='1'/>
+        <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/cgroup.h' line='20' column='1'/>
+        <parameter type-id='46ff135d' name='dst_cgrp' filepath='include/trace/hooks/cgroup.h' line='20' column='1'/>
+        <parameter type-id='d8e6b335' name='force_migration' filepath='include/trace/hooks/cgroup.h' line='20' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_check_preempt_wakeup' mangled-name='__traceiter_android_rvh_check_preempt_wakeup' filepath='include/trace/hooks/sched.h' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_check_preempt_wakeup'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='d8e6b335' name='preempt' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='d8e6b335' name='nopreempt' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='95e97e5e' name='wake_flags' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='ff2b3d10' name='pse' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='95e97e5e' name='next_buddy_marked' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <parameter type-id='f0981eeb' name='granularity' filepath='include/trace/hooks/sched.h' line='231' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_cpu_cgroup_can_attach' mangled-name='__traceiter_android_rvh_cpu_cgroup_can_attach' filepath='include/trace/hooks/sched.h' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpu_cgroup_can_attach'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='172' column='1'/>
+        <parameter type-id='8cffa561' name='tset' filepath='include/trace/hooks/sched.h' line='172' column='1'/>
+        <parameter type-id='7292109c' name='retval' filepath='include/trace/hooks/sched.h' line='172' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_cpu_cgroup_online' mangled-name='__traceiter_android_rvh_cpu_cgroup_online' filepath='include/trace/hooks/sched.h' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpu_cgroup_online'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='176' column='1'/>
+        <parameter type-id='cfff5953' name='css' filepath='include/trace/hooks/sched.h' line='176' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_cpu_overutilized' mangled-name='__traceiter_android_rvh_cpu_overutilized' filepath='include/trace/hooks/sched.h' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpu_overutilized'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='131' column='1'/>
+        <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='131' column='1'/>
+        <parameter type-id='7292109c' name='overutilized' filepath='include/trace/hooks/sched.h' line='131' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_cpumask_any_and_distribute' mangled-name='__traceiter_android_rvh_cpumask_any_and_distribute' filepath='include/trace/hooks/sched.h' line='301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpumask_any_and_distribute'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='301' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='301' column='1'/>
+        <parameter type-id='5f8a1ac4' name='cpu_valid_mask' filepath='include/trace/hooks/sched.h' line='301' column='1'/>
+        <parameter type-id='5f8a1ac4' name='new_mask' filepath='include/trace/hooks/sched.h' line='301' column='1'/>
+        <parameter type-id='7292109c' name='dest_cpu' filepath='include/trace/hooks/sched.h' line='301' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_dequeue_task' mangled-name='__traceiter_android_rvh_dequeue_task' filepath='include/trace/hooks/sched.h' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_dequeue_task'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='46' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='46' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='46' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='46' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_dequeue_task_fair' mangled-name='__traceiter_android_rvh_dequeue_task_fair' filepath='include/trace/hooks/sched.h' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_dequeue_task_fair'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='340' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='340' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='340' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='340' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_dequeue_task_idle' mangled-name='__traceiter_android_rvh_dequeue_task_idle' filepath='include/trace/hooks/sched.h' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_dequeue_task_idle'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='221' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='221' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_detach_entity_load_avg' mangled-name='__traceiter_android_rvh_detach_entity_load_avg' filepath='include/trace/hooks/sched.h' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_detach_entity_load_avg'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='385' column='1'/>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='385' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='385' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_die_kernel_fault' mangled-name='__traceiter_android_rvh_die_kernel_fault' filepath='include/trace/hooks/fault.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_die_kernel_fault'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+        <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+        <parameter type-id='80f4b756' name='msg' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_do_mem_abort' mangled-name='__traceiter_android_rvh_do_mem_abort' filepath='include/trace/hooks/fault.h' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_mem_abort'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+        <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+        <parameter type-id='80f4b756' name='msg' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_do_sched_yield' mangled-name='__traceiter_android_rvh_do_sched_yield' filepath='include/trace/hooks/sched.h' line='306' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_sched_yield'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='306' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='306' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_do_sea' mangled-name='__traceiter_android_rvh_do_sea' filepath='include/trace/hooks/fault.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_sea'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fault.h' line='19' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/fault.h' line='19' column='1'/>
+        <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/fault.h' line='19' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/fault.h' line='19' column='1'/>
+        <parameter type-id='80f4b756' name='msg' filepath='include/trace/hooks/fault.h' line='19' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_do_sp_pc_abort' mangled-name='__traceiter_android_rvh_do_sp_pc_abort' filepath='include/trace/hooks/fault.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_sp_pc_abort'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+        <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+        <parameter type-id='b50a4934' name='user' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_do_undefinstr' mangled-name='__traceiter_android_rvh_do_undefinstr' filepath='include/trace/hooks/traps.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_undefinstr'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/traps.h' line='15' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/traps.h' line='15' column='1'/>
+        <parameter type-id='b50a4934' name='user' filepath='include/trace/hooks/traps.h' line='15' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_enqueue_task' mangled-name='__traceiter_android_rvh_enqueue_task' filepath='include/trace/hooks/sched.h' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_enqueue_task'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='42' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='42' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='42' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='42' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_enqueue_task_fair' mangled-name='__traceiter_android_rvh_enqueue_task_fair' filepath='include/trace/hooks/sched.h' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_enqueue_task_fair'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='336' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='336' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='336' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_find_busiest_queue' mangled-name='__traceiter_android_rvh_find_busiest_queue' filepath='include/trace/hooks/sched.h' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_busiest_queue'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='107' column='1'/>
+        <parameter type-id='95e97e5e' name='dst_cpu' filepath='include/trace/hooks/sched.h' line='107' column='1'/>
+        <parameter type-id='f3dcd492' name='group' filepath='include/trace/hooks/sched.h' line='107' column='1'/>
+        <parameter type-id='74bccedd' name='env_cpus' filepath='include/trace/hooks/sched.h' line='107' column='1'/>
+        <parameter type-id='93fd81c8' name='busiest' filepath='include/trace/hooks/sched.h' line='107' column='1'/>
+        <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='107' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_find_energy_efficient_cpu' mangled-name='__traceiter_android_rvh_find_energy_efficient_cpu' filepath='include/trace/hooks/sched.h' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_energy_efficient_cpu'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='123' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='123' column='1'/>
+        <parameter type-id='95e97e5e' name='prev_cpu' filepath='include/trace/hooks/sched.h' line='123' column='1'/>
+        <parameter type-id='95e97e5e' name='sync' filepath='include/trace/hooks/sched.h' line='123' column='1'/>
+        <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='123' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_find_lowest_rq' mangled-name='__traceiter_android_rvh_find_lowest_rq' filepath='include/trace/hooks/sched.h' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_lowest_rq'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='54' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='54' column='1'/>
+        <parameter type-id='74bccedd' name='local_cpu_mask' filepath='include/trace/hooks/sched.h' line='54' column='1'/>
+        <parameter type-id='95e97e5e' name='ret' filepath='include/trace/hooks/sched.h' line='54' column='1'/>
+        <parameter type-id='7292109c' name='lowest_cpu' filepath='include/trace/hooks/sched.h' line='54' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_find_new_ilb' mangled-name='__traceiter_android_rvh_find_new_ilb' filepath='include/trace/hooks/sched.h' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_new_ilb'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='365' column='1'/>
+        <parameter type-id='74bccedd' name='nohz_idle_cpus_mask' filepath='include/trace/hooks/sched.h' line='365' column='1'/>
+        <parameter type-id='7292109c' name='ilb' filepath='include/trace/hooks/sched.h' line='365' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_irqs_disable' mangled-name='__traceiter_android_rvh_irqs_disable' filepath='include/trace/hooks/preemptirq.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_irqs_disable'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='21' column='1'/>
+        <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='21' column='1'/>
+        <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='21' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_irqs_enable' mangled-name='__traceiter_android_rvh_irqs_enable' filepath='include/trace/hooks/preemptirq.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_irqs_enable'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='25' column='1'/>
+        <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='25' column='1'/>
+        <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_pci_d3_sleep' mangled-name='__traceiter_android_rvh_pci_d3_sleep' filepath='include/trace/hooks/pci.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_pci_d3_sleep'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/pci.h' line='17' column='1'/>
+        <parameter type-id='85196e3f' name='dev' filepath='include/trace/hooks/pci.h' line='17' column='1'/>
+        <parameter type-id='807869d3' name='delay' filepath='include/trace/hooks/pci.h' line='17' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_post_init_entity_util_avg' mangled-name='__traceiter_android_rvh_post_init_entity_util_avg' filepath='include/trace/hooks/sched.h' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_post_init_entity_util_avg'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_preempt_disable' mangled-name='__traceiter_android_rvh_preempt_disable' filepath='include/trace/hooks/preemptirq.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_preempt_disable'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='13' column='1'/>
+        <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='13' column='1'/>
+        <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='13' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_preempt_enable' mangled-name='__traceiter_android_rvh_preempt_enable' filepath='include/trace/hooks/preemptirq.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_preempt_enable'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='17' column='1'/>
+        <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='17' column='1'/>
+        <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='17' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_prepare_prio_fork' mangled-name='__traceiter_android_rvh_prepare_prio_fork' filepath='include/trace/hooks/sched.h' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_prepare_prio_fork'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='59' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='59' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_remove_entity_load_avg' mangled-name='__traceiter_android_rvh_remove_entity_load_avg' filepath='include/trace/hooks/sched.h' line='393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_remove_entity_load_avg'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='393' column='1'/>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='393' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='393' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_replace_next_task_fair' mangled-name='__traceiter_android_rvh_replace_next_task_fair' filepath='include/trace/hooks/sched.h' line='272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_replace_next_task_fair'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='272' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='272' column='1'/>
+        <parameter type-id='afd4c988' name='p' filepath='include/trace/hooks/sched.h' line='272' column='1'/>
+        <parameter type-id='eb11624e' name='se' filepath='include/trace/hooks/sched.h' line='272' column='1'/>
+        <parameter type-id='d8e6b335' name='repick' filepath='include/trace/hooks/sched.h' line='272' column='1'/>
+        <parameter type-id='b50a4934' name='simple' filepath='include/trace/hooks/sched.h' line='272' column='1'/>
+        <parameter type-id='f23e2572' name='prev' filepath='include/trace/hooks/sched.h' line='272' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_report_bug' mangled-name='__traceiter_android_rvh_report_bug' filepath='include/trace/hooks/bug.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_report_bug'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/bug.h' line='13' column='1'/>
+        <parameter type-id='80f4b756' name='file' filepath='include/trace/hooks/bug.h' line='13' column='1'/>
+        <parameter type-id='f0981eeb' name='line' filepath='include/trace/hooks/bug.h' line='13' column='1'/>
+        <parameter type-id='7359adad' name='bugaddr' filepath='include/trace/hooks/bug.h' line='13' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_rtmutex_prepare_setprio' mangled-name='__traceiter_android_rvh_rtmutex_prepare_setprio' filepath='include/trace/hooks/sched.h' line='67' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_rtmutex_prepare_setprio'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='67' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='67' column='1'/>
+        <parameter type-id='f23e2572' name='pi_task' filepath='include/trace/hooks/sched.h' line='67' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_sched_fork' mangled-name='__traceiter_android_rvh_sched_fork' filepath='include/trace/hooks/sched.h' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_fork'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='148' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='148' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_sched_fork_init' mangled-name='__traceiter_android_rvh_sched_fork_init' filepath='include/trace/hooks/sched.h' line='180' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_fork_init'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='180' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='180' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_sched_newidle_balance' mangled-name='__traceiter_android_rvh_sched_newidle_balance' filepath='include/trace/hooks/sched.h' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_newidle_balance'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='94' column='1'/>
+        <parameter type-id='6ed6b432' name='this_rq' filepath='include/trace/hooks/sched.h' line='94' column='1'/>
+        <parameter type-id='d0163a5e' name='rf' filepath='include/trace/hooks/sched.h' line='94' column='1'/>
+        <parameter type-id='7292109c' name='pulled_task' filepath='include/trace/hooks/sched.h' line='94' column='1'/>
+        <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='94' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_sched_nohz_balancer_kick' mangled-name='__traceiter_android_rvh_sched_nohz_balancer_kick' filepath='include/trace/hooks/sched.h' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_nohz_balancer_kick'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='99' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='99' column='1'/>
+        <parameter type-id='807869d3' name='flags' filepath='include/trace/hooks/sched.h' line='99' column='1'/>
+        <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='99' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_sched_rebalance_domains' mangled-name='__traceiter_android_rvh_sched_rebalance_domains' filepath='include/trace/hooks/sched.h' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_rebalance_domains'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='103' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='103' column='1'/>
+        <parameter type-id='7292109c' name='continue_balancing' filepath='include/trace/hooks/sched.h' line='103' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_schedule' mangled-name='__traceiter_android_rvh_schedule' filepath='include/trace/hooks/sched.h' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_schedule'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='156' column='1'/>
+        <parameter type-id='f23e2572' name='prev' filepath='include/trace/hooks/sched.h' line='156' column='1'/>
+        <parameter type-id='f23e2572' name='next' filepath='include/trace/hooks/sched.h' line='156' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='156' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_schedule_bug' mangled-name='__traceiter_android_rvh_schedule_bug' filepath='include/trace/hooks/sched.h' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_schedule_bug'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='188' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='188' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_select_fallback_rq' mangled-name='__traceiter_android_rvh_select_fallback_rq' filepath='include/trace/hooks/sched.h' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_select_fallback_rq'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='33' column='1'/>
+        <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='33' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='33' column='1'/>
+        <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='33' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_select_task_rq_fair' mangled-name='__traceiter_android_rvh_select_task_rq_fair' filepath='include/trace/hooks/sched.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_select_task_rq_fair'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='21' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='21' column='1'/>
+        <parameter type-id='95e97e5e' name='prev_cpu' filepath='include/trace/hooks/sched.h' line='21' column='1'/>
+        <parameter type-id='95e97e5e' name='sd_flag' filepath='include/trace/hooks/sched.h' line='21' column='1'/>
+        <parameter type-id='95e97e5e' name='wake_flags' filepath='include/trace/hooks/sched.h' line='21' column='1'/>
+        <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='21' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_select_task_rq_rt' mangled-name='__traceiter_android_rvh_select_task_rq_rt' filepath='include/trace/hooks/sched.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_select_task_rq_rt'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='25' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='25' column='1'/>
+        <parameter type-id='95e97e5e' name='prev_cpu' filepath='include/trace/hooks/sched.h' line='25' column='1'/>
+        <parameter type-id='95e97e5e' name='sd_flag' filepath='include/trace/hooks/sched.h' line='25' column='1'/>
+        <parameter type-id='95e97e5e' name='wake_flags' filepath='include/trace/hooks/sched.h' line='25' column='1'/>
+        <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_set_iowait' mangled-name='__traceiter_android_rvh_set_iowait' filepath='include/trace/hooks/sched.h' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_iowait'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='127' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='127' column='1'/>
+        <parameter type-id='7292109c' name='should_iowait_boost' filepath='include/trace/hooks/sched.h' line='127' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_set_task_cpu' mangled-name='__traceiter_android_rvh_set_task_cpu' filepath='include/trace/hooks/sched.h' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_task_cpu'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='144' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='144' column='1'/>
+        <parameter type-id='f0981eeb' name='new_cpu' filepath='include/trace/hooks/sched.h' line='144' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_set_user_nice' mangled-name='__traceiter_android_rvh_set_user_nice' filepath='include/trace/hooks/sched.h' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_user_nice'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='71' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='71' column='1'/>
+        <parameter type-id='3ccc2590' name='nice' filepath='include/trace/hooks/sched.h' line='71' column='1'/>
+        <parameter type-id='d8e6b335' name='allowed' filepath='include/trace/hooks/sched.h' line='71' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_setscheduler' mangled-name='__traceiter_android_rvh_setscheduler' filepath='include/trace/hooks/sched.h' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_setscheduler'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='75' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='75' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_typec_tcpci_chk_contaminant' mangled-name='__traceiter_android_rvh_typec_tcpci_chk_contaminant' filepath='include/trace/hooks/typec.h' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_typec_tcpci_chk_contaminant'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+        <parameter type-id='eefe253e' name='tcpci' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+        <parameter type-id='b6733265' name='data' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+        <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_typec_tcpci_get_vbus' mangled-name='__traceiter_android_rvh_typec_tcpci_get_vbus' filepath='include/trace/hooks/typec.h' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_typec_tcpci_get_vbus'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+        <parameter type-id='eefe253e' name='tcpci' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+        <parameter type-id='b6733265' name='data' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+        <parameter type-id='7292109c' name='vbus' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+        <parameter type-id='7292109c' name='bypass' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_uclamp_eff_get' mangled-name='__traceiter_android_rvh_uclamp_eff_get' filepath='include/trace/hooks/sched.h' line='246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_uclamp_eff_get'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='246' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='246' column='1'/>
+        <parameter type-id='db819146' name='clamp_id' filepath='include/trace/hooks/sched.h' line='246' column='1'/>
+        <parameter type-id='a1ac03ea' name='uclamp_max' filepath='include/trace/hooks/sched.h' line='246' column='1'/>
+        <parameter type-id='a1ac03ea' name='uclamp_eff' filepath='include/trace/hooks/sched.h' line='246' column='1'/>
+        <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/sched.h' line='246' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_uclamp_rq_util_with' mangled-name='__traceiter_android_rvh_uclamp_rq_util_with' filepath='include/trace/hooks/sched.h' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_uclamp_rq_util_with'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+        <parameter type-id='7359adad' name='util' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+        <parameter type-id='7359adad' name='min_util' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+        <parameter type-id='7359adad' name='max_util' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+        <parameter type-id='1d2c2b85' name='ret' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_ufs_complete_init' mangled-name='__traceiter_android_rvh_ufs_complete_init' filepath='include/trace/hooks/ufshcd.h' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_ufs_complete_init'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='23' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='23' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_ufs_reprogram_all_keys' mangled-name='__traceiter_android_rvh_ufs_reprogram_all_keys' filepath='include/trace/hooks/ufshcd.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_ufs_reprogram_all_keys'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='27' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='27' column='1'/>
+        <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/ufshcd.h' line='27' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_update_blocked_fair' mangled-name='__traceiter_android_rvh_update_blocked_fair' filepath='include/trace/hooks/sched.h' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_blocked_fair'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='397' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='397' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_update_load_avg' mangled-name='__traceiter_android_rvh_update_load_avg' filepath='include/trace/hooks/sched.h' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_load_avg'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+        <parameter type-id='91ce1af9' name='now' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_update_misfit_status' mangled-name='__traceiter_android_rvh_update_misfit_status' filepath='include/trace/hooks/sched.h' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_misfit_status'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='164' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='164' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='164' column='1'/>
+        <parameter type-id='d8e6b335' name='need_update' filepath='include/trace/hooks/sched.h' line='164' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_update_rq_clock_pelt' mangled-name='__traceiter_android_rvh_update_rq_clock_pelt' filepath='include/trace/hooks/sched.h' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_rq_clock_pelt'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='405' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='405' column='1'/>
+        <parameter type-id='9b7c55ef' name='delta' filepath='include/trace/hooks/sched.h' line='405' column='1'/>
+        <parameter type-id='d8e6b335' name='ret' filepath='include/trace/hooks/sched.h' line='405' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_update_rt_rq_load_avg' mangled-name='__traceiter_android_rvh_update_rt_rq_load_avg' filepath='include/trace/hooks/sched.h' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_rt_rq_load_avg'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='401' column='1'/>
+        <parameter type-id='91ce1af9' name='now' filepath='include/trace/hooks/sched.h' line='401' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='401' column='1'/>
+        <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/sched.h' line='401' column='1'/>
+        <parameter type-id='95e97e5e' name='running' filepath='include/trace/hooks/sched.h' line='401' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_util_est_update' mangled-name='__traceiter_android_rvh_util_est_update' filepath='include/trace/hooks/sched.h' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_util_est_update'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='277' column='1'/>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='277' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='277' column='1'/>
+        <parameter type-id='b50a4934' name='task_sleep' filepath='include/trace/hooks/sched.h' line='277' column='1'/>
+        <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/sched.h' line='277' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_rvh_wake_up_new_task' mangled-name='__traceiter_android_rvh_wake_up_new_task' filepath='include/trace/hooks/sched.h' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_wake_up_new_task'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='152' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='152' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh___get_user_pages_remote' mangled-name='__traceiter_android_vh___get_user_pages_remote' filepath='include/trace/hooks/gup.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh___get_user_pages_remote'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gup.h' line='16' column='1'/>
+        <parameter type-id='7292109c' name='locked' filepath='include/trace/hooks/gup.h' line='16' column='1'/>
+        <parameter type-id='807869d3' name='gup_flags' filepath='include/trace/hooks/gup.h' line='16' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='include/trace/hooks/gup.h' line='16' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_aes_decrypt' mangled-name='__traceiter_android_vh_aes_decrypt' filepath='include/trace/hooks/fips140.h' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_aes_decrypt'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='40' column='1'/>
+        <parameter type-id='825271e7' name='ctx' filepath='include/trace/hooks/fips140.h' line='40' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='include/trace/hooks/fips140.h' line='40' column='1'/>
+        <parameter type-id='bbaf3419' name='in' filepath='include/trace/hooks/fips140.h' line='40' column='1'/>
+        <parameter type-id='7292109c' name='hook_inuse' filepath='include/trace/hooks/fips140.h' line='40' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_aes_encrypt' mangled-name='__traceiter_android_vh_aes_encrypt' filepath='include/trace/hooks/fips140.h' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_aes_encrypt'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='33' column='1'/>
+        <parameter type-id='825271e7' name='ctx' filepath='include/trace/hooks/fips140.h' line='33' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='include/trace/hooks/fips140.h' line='33' column='1'/>
+        <parameter type-id='bbaf3419' name='in' filepath='include/trace/hooks/fips140.h' line='33' column='1'/>
+        <parameter type-id='7292109c' name='hook_inuse' filepath='include/trace/hooks/fips140.h' line='33' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_aes_expandkey' mangled-name='__traceiter_android_vh_aes_expandkey' filepath='include/trace/hooks/fips140.h' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_aes_expandkey'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='26' column='1'/>
+        <parameter type-id='21370cb4' name='ctx' filepath='include/trace/hooks/fips140.h' line='26' column='1'/>
+        <parameter type-id='bbaf3419' name='in_key' filepath='include/trace/hooks/fips140.h' line='26' column='1'/>
+        <parameter type-id='f0981eeb' name='key_len' filepath='include/trace/hooks/fips140.h' line='26' column='1'/>
+        <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/fips140.h' line='26' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_arch_set_freq_scale' mangled-name='__traceiter_android_vh_arch_set_freq_scale' filepath='include/trace/hooks/topology.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_arch_set_freq_scale'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/topology.h' line='18' column='1'/>
+        <parameter type-id='5f8a1ac4' name='cpus' filepath='include/trace/hooks/topology.h' line='18' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='include/trace/hooks/topology.h' line='18' column='1'/>
+        <parameter type-id='7359adad' name='max' filepath='include/trace/hooks/topology.h' line='18' column='1'/>
+        <parameter type-id='1d2c2b85' name='scale' filepath='include/trace/hooks/topology.h' line='18' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_bh_lru_install' mangled-name='__traceiter_android_vh_bh_lru_install' filepath='include/trace/hooks/buffer.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_bh_lru_install'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/buffer.h' line='13' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/buffer.h' line='13' column='1'/>
+        <parameter type-id='d8e6b335' name='flush' filepath='include/trace/hooks/buffer.h' line='13' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_binder_restore_priority' mangled-name='__traceiter_android_vh_binder_restore_priority' filepath='include/trace/hooks/binder.h' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_restore_priority'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='30' column='1'/>
+        <parameter type-id='f4c3bb4c' name='t' filepath='include/trace/hooks/binder.h' line='30' column='1'/>
+        <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/binder.h' line='30' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_binder_set_priority' mangled-name='__traceiter_android_vh_binder_set_priority' filepath='include/trace/hooks/binder.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_set_priority'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='27' column='1'/>
+        <parameter type-id='f4c3bb4c' name='t' filepath='include/trace/hooks/binder.h' line='27' column='1'/>
+        <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/binder.h' line='27' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_binder_wakeup_ilocked' mangled-name='__traceiter_android_vh_binder_wakeup_ilocked' filepath='include/trace/hooks/binder.h' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_wakeup_ilocked'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='33' column='1'/>
+        <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/binder.h' line='33' column='1'/>
+        <parameter type-id='b50a4934' name='sync' filepath='include/trace/hooks/binder.h' line='33' column='1'/>
+        <parameter type-id='d1cf113c' name='proc' filepath='include/trace/hooks/binder.h' line='33' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_cma_alloc_adjust' mangled-name='__traceiter_android_vh_cma_alloc_adjust' filepath='include/trace/hooks/mm.h' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cma_alloc_adjust'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='100' column='1'/>
+        <parameter type-id='0a0aff97' name='zone' filepath='include/trace/hooks/mm.h' line='100' column='1'/>
+        <parameter type-id='d8e6b335' name='is_cma_alloc' filepath='include/trace/hooks/mm.h' line='100' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_cma_alloc_finish' mangled-name='__traceiter_android_vh_cma_alloc_finish' filepath='include/trace/hooks/mm.h' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cma_alloc_finish'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+        <parameter type-id='6f67b38a' name='cma' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+        <parameter type-id='7359adad' name='count' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+        <parameter type-id='f0981eeb' name='align' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+        <parameter type-id='9b7c55ef' name='ts' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_cma_alloc_start' mangled-name='__traceiter_android_vh_cma_alloc_start' filepath='include/trace/hooks/mm.h' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cma_alloc_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='38' column='1'/>
+        <parameter type-id='842ac8d6' name='ts' filepath='include/trace/hooks/mm.h' line='38' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_cpu_idle_enter' mangled-name='__traceiter_android_vh_cpu_idle_enter' filepath='include/trace/hooks/cpuidle.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpu_idle_enter'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpuidle.h' line='14' column='1'/>
+        <parameter type-id='7292109c' name='state' filepath='include/trace/hooks/cpuidle.h' line='14' column='1'/>
+        <parameter type-id='1b0e1d00' name='dev' filepath='include/trace/hooks/cpuidle.h' line='14' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_cpu_idle_exit' mangled-name='__traceiter_android_vh_cpu_idle_exit' filepath='include/trace/hooks/cpuidle.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpu_idle_exit'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpuidle.h' line='17' column='1'/>
+        <parameter type-id='95e97e5e' name='state' filepath='include/trace/hooks/cpuidle.h' line='17' column='1'/>
+        <parameter type-id='1b0e1d00' name='dev' filepath='include/trace/hooks/cpuidle.h' line='17' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_dmabuf_heap_flags_validation' mangled-name='__traceiter_android_vh_dmabuf_heap_flags_validation' filepath='include/trace/hooks/dmabuf.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_dmabuf_heap_flags_validation'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dmabuf.h' line='16' column='1'/>
+        <parameter type-id='ea1bdaf6' name='heap' filepath='include/trace/hooks/dmabuf.h' line='16' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='include/trace/hooks/dmabuf.h' line='16' column='1'/>
+        <parameter type-id='f0981eeb' name='fd_flags' filepath='include/trace/hooks/dmabuf.h' line='16' column='1'/>
+        <parameter type-id='f0981eeb' name='heap_flags' filepath='include/trace/hooks/dmabuf.h' line='16' column='1'/>
+        <parameter type-id='d8e6b335' name='skip' filepath='include/trace/hooks/dmabuf.h' line='16' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_do_madvise_blk_plug' mangled-name='__traceiter_android_vh_do_madvise_blk_plug' filepath='include/trace/hooks/mm.h' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_do_madvise_blk_plug'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='103' column='1'/>
+        <parameter type-id='95e97e5e' name='behavior' filepath='include/trace/hooks/mm.h' line='103' column='1'/>
+        <parameter type-id='d8e6b335' name='do_plug' filepath='include/trace/hooks/mm.h' line='103' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_dump_throttled_rt_tasks' mangled-name='__traceiter_android_vh_dump_throttled_rt_tasks' filepath='include/trace/hooks/sched.h' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_dump_throttled_rt_tasks'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='84' column='1'/>
+        <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='84' column='1'/>
+        <parameter type-id='91ce1af9' name='clock' filepath='include/trace/hooks/sched.h' line='84' column='1'/>
+        <parameter type-id='fbc017ef' name='rt_period' filepath='include/trace/hooks/sched.h' line='84' column='1'/>
+        <parameter type-id='91ce1af9' name='rt_runtime' filepath='include/trace/hooks/sched.h' line='84' column='1'/>
+        <parameter type-id='9b7c55ef' name='rt_period_timer_expires' filepath='include/trace/hooks/sched.h' line='84' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_dup_task_struct' mangled-name='__traceiter_android_vh_dup_task_struct' filepath='include/trace/hooks/sched.h' line='357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_dup_task_struct'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='357' column='1'/>
+        <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/sched.h' line='357' column='1'/>
+        <parameter type-id='f23e2572' name='orig' filepath='include/trace/hooks/sched.h' line='357' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_early_resume_begin' mangled-name='__traceiter_android_vh_early_resume_begin' filepath='include/trace/hooks/suspend.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_early_resume_begin'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/suspend.h' line='18' column='1'/>
+        <parameter type-id='eaa32e2f' name='unused' filepath='include/trace/hooks/suspend.h' line='18' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_enable_thermal_genl_check' mangled-name='__traceiter_android_vh_enable_thermal_genl_check' filepath='include/trace/hooks/thermal.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_enable_thermal_genl_check'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/thermal.h' line='15' column='1'/>
+        <parameter type-id='95e97e5e' name='event' filepath='include/trace/hooks/thermal.h' line='15' column='1'/>
+        <parameter type-id='95e97e5e' name='tz_id' filepath='include/trace/hooks/thermal.h' line='15' column='1'/>
+        <parameter type-id='7292109c' name='enable_thermal_genl' filepath='include/trace/hooks/thermal.h' line='15' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ep_create_wakeup_source' mangled-name='__traceiter_android_vh_ep_create_wakeup_source' filepath='include/trace/hooks/fs.h' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ep_create_wakeup_source'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fs.h' line='12' column='1'/>
+        <parameter type-id='26a90f95' name='name' filepath='include/trace/hooks/fs.h' line='12' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='include/trace/hooks/fs.h' line='12' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_get_user_pages' mangled-name='__traceiter_android_vh_get_user_pages' filepath='include/trace/hooks/gup.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_get_user_pages'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gup.h' line='20' column='1'/>
+        <parameter type-id='807869d3' name='gup_flags' filepath='include/trace/hooks/gup.h' line='20' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='include/trace/hooks/gup.h' line='20' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_internal_get_user_pages_fast' mangled-name='__traceiter_android_vh_internal_get_user_pages_fast' filepath='include/trace/hooks/gup.h' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_internal_get_user_pages_fast'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gup.h' line='24' column='1'/>
+        <parameter type-id='807869d3' name='gup_flags' filepath='include/trace/hooks/gup.h' line='24' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='include/trace/hooks/gup.h' line='24' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ipi_stop' mangled-name='__traceiter_android_vh_ipi_stop' filepath='include/trace/hooks/debug.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ipi_stop'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/debug.h' line='14' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/debug.h' line='14' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_map_util_freq' mangled-name='__traceiter_android_vh_map_util_freq' filepath='include/trace/hooks/sched.h' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_map_util_freq'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='196' column='1'/>
+        <parameter type-id='7359adad' name='util' filepath='include/trace/hooks/sched.h' line='196' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='include/trace/hooks/sched.h' line='196' column='1'/>
+        <parameter type-id='7359adad' name='cap' filepath='include/trace/hooks/sched.h' line='196' column='1'/>
+        <parameter type-id='1d2c2b85' name='next_freq' filepath='include/trace/hooks/sched.h' line='196' column='1'/>
+        <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/sched.h' line='196' column='1'/>
+        <parameter type-id='d8e6b335' name='need_freq_update' filepath='include/trace/hooks/sched.h' line='196' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_meminfo_proc_show' mangled-name='__traceiter_android_vh_meminfo_proc_show' filepath='include/trace/hooks/mm.h' line='77' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_meminfo_proc_show'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='77' column='1'/>
+        <parameter type-id='f8dc9def' name='m' filepath='include/trace/hooks/mm.h' line='77' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_mm_compaction_begin' mangled-name='__traceiter_android_vh_mm_compaction_begin' filepath='include/trace/hooks/mm.h' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mm_compaction_begin'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='52' column='1'/>
+        <parameter type-id='cdea3372' name='cc' filepath='include/trace/hooks/mm.h' line='52' column='1'/>
+        <parameter type-id='3ccc2590' name='vendor_ret' filepath='include/trace/hooks/mm.h' line='52' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_mm_compaction_end' mangled-name='__traceiter_android_vh_mm_compaction_end' filepath='include/trace/hooks/mm.h' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mm_compaction_end'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='55' column='1'/>
+        <parameter type-id='cdea3372' name='cc' filepath='include/trace/hooks/mm.h' line='55' column='1'/>
+        <parameter type-id='bd54fe1a' name='vendor_ret' filepath='include/trace/hooks/mm.h' line='55' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_mmc_blk_mq_rw_recovery' mangled-name='__traceiter_android_vh_mmc_blk_mq_rw_recovery' filepath='include/trace/hooks/mmc_core.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mmc_blk_mq_rw_recovery'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='19' column='1'/>
+        <parameter type-id='13d38dcb' name='card' filepath='include/trace/hooks/mmc_core.h' line='19' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_mmc_blk_reset' mangled-name='__traceiter_android_vh_mmc_blk_reset' filepath='include/trace/hooks/mmc_core.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mmc_blk_reset'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='16' column='1'/>
+        <parameter type-id='dd575c43' name='host' filepath='include/trace/hooks/mmc_core.h' line='16' column='1'/>
+        <parameter type-id='95e97e5e' name='err' filepath='include/trace/hooks/mmc_core.h' line='16' column='1'/>
+        <parameter type-id='d8e6b335' name='allow' filepath='include/trace/hooks/mmc_core.h' line='16' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_mutex_wait_finish' mangled-name='__traceiter_android_vh_mutex_wait_finish' filepath='include/trace/hooks/dtask.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mutex_wait_finish'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='21' column='1'/>
+        <parameter type-id='e0ea832a' name='lock' filepath='include/trace/hooks/dtask.h' line='21' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_mutex_wait_start' mangled-name='__traceiter_android_vh_mutex_wait_start' filepath='include/trace/hooks/dtask.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mutex_wait_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='18' column='1'/>
+        <parameter type-id='e0ea832a' name='lock' filepath='include/trace/hooks/dtask.h' line='18' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_of_i2c_get_board_info' mangled-name='__traceiter_android_vh_of_i2c_get_board_info' filepath='include/trace/hooks/i2c.h' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_of_i2c_get_board_info'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/i2c.h' line='12' column='1'/>
+        <parameter type-id='9a537bbe' name='node' filepath='include/trace/hooks/i2c.h' line='12' column='1'/>
+        <parameter type-id='7d3cd834' name='dev_name' filepath='include/trace/hooks/i2c.h' line='12' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_pagecache_get_page' mangled-name='__traceiter_android_vh_pagecache_get_page' filepath='include/trace/hooks/mm.h' line='67' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_pagecache_get_page'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='67' column='1'/>
+        <parameter type-id='f57039f0' name='mapping' filepath='include/trace/hooks/mm.h' line='67' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='include/trace/hooks/mm.h' line='67' column='1'/>
+        <parameter type-id='95e97e5e' name='fgp_flags' filepath='include/trace/hooks/mm.h' line='67' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='include/trace/hooks/mm.h' line='67' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='67' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_pagevec_drain' mangled-name='__traceiter_android_vh_pagevec_drain' filepath='include/trace/hooks/mm.h' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_pagevec_drain'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='64' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='64' column='1'/>
+        <parameter type-id='d8e6b335' name='ret' filepath='include/trace/hooks/mm.h' line='64' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_pin_user_pages' mangled-name='__traceiter_android_vh_pin_user_pages' filepath='include/trace/hooks/gup.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_pin_user_pages'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gup.h' line='28' column='1'/>
+        <parameter type-id='807869d3' name='gup_flags' filepath='include/trace/hooks/gup.h' line='28' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='include/trace/hooks/gup.h' line='28' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ptype_head' mangled-name='__traceiter_android_vh_ptype_head' filepath='include/trace/hooks/net.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ptype_head'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/net.h' line='17' column='1'/>
+        <parameter type-id='90532519' name='pt' filepath='include/trace/hooks/net.h' line='17' column='1'/>
+        <parameter type-id='e84b031a' name='vendor_pt' filepath='include/trace/hooks/net.h' line='17' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rebuild_root_domains_bypass' mangled-name='__traceiter_android_vh_rebuild_root_domains_bypass' filepath='include/trace/hooks/sched.h' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rebuild_root_domains_bypass'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='417' column='1'/>
+        <parameter type-id='b50a4934' name='tasks_frozen' filepath='include/trace/hooks/sched.h' line='417' column='1'/>
+        <parameter type-id='d8e6b335' name='bypass' filepath='include/trace/hooks/sched.h' line='417' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_reclaim_pages_plug' mangled-name='__traceiter_android_vh_reclaim_pages_plug' filepath='include/trace/hooks/mm.h' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_reclaim_pages_plug'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='112' column='1'/>
+        <parameter type-id='d8e6b335' name='do_plug' filepath='include/trace/hooks/mm.h' line='112' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_resume_end' mangled-name='__traceiter_android_vh_resume_end' filepath='include/trace/hooks/suspend.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_resume_end'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/suspend.h' line='15' column='1'/>
+        <parameter type-id='eaa32e2f' name='unused' filepath='include/trace/hooks/suspend.h' line='15' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rmqueue' mangled-name='__traceiter_android_vh_rmqueue' filepath='include/trace/hooks/mm.h' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rmqueue'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='58' column='1'/>
+        <parameter type-id='0a0aff97' name='preferred_zone' filepath='include/trace/hooks/mm.h' line='58' column='1'/>
+        <parameter type-id='0a0aff97' name='zone' filepath='include/trace/hooks/mm.h' line='58' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='include/trace/hooks/mm.h' line='58' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_flags' filepath='include/trace/hooks/mm.h' line='58' column='1'/>
+        <parameter type-id='f0981eeb' name='alloc_flags' filepath='include/trace/hooks/mm.h' line='58' column='1'/>
+        <parameter type-id='95e97e5e' name='migratetype' filepath='include/trace/hooks/mm.h' line='58' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rtmutex_wait_finish' mangled-name='__traceiter_android_vh_rtmutex_wait_finish' filepath='include/trace/hooks/dtask.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rtmutex_wait_finish'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='28' column='1'/>
+        <parameter type-id='3992a90f' name='lock' filepath='include/trace/hooks/dtask.h' line='28' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rtmutex_wait_start' mangled-name='__traceiter_android_vh_rtmutex_wait_start' filepath='include/trace/hooks/dtask.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rtmutex_wait_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='25' column='1'/>
+        <parameter type-id='3992a90f' name='lock' filepath='include/trace/hooks/dtask.h' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rwsem_read_wait_finish' mangled-name='__traceiter_android_vh_rwsem_read_wait_finish' filepath='include/trace/hooks/dtask.h' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_read_wait_finish'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='35' column='1'/>
+        <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/dtask.h' line='35' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rwsem_read_wait_start' mangled-name='__traceiter_android_vh_rwsem_read_wait_start' filepath='include/trace/hooks/dtask.h' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_read_wait_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='32' column='1'/>
+        <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/dtask.h' line='32' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rwsem_write_wait_finish' mangled-name='__traceiter_android_vh_rwsem_write_wait_finish' filepath='include/trace/hooks/dtask.h' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_write_wait_finish'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='41' column='1'/>
+        <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/dtask.h' line='41' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_rwsem_write_wait_start' mangled-name='__traceiter_android_vh_rwsem_write_wait_start' filepath='include/trace/hooks/dtask.h' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_write_wait_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='38' column='1'/>
+        <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/dtask.h' line='38' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_sched_setaffinity_early' mangled-name='__traceiter_android_vh_sched_setaffinity_early' filepath='include/trace/hooks/sched.h' line='297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sched_setaffinity_early'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='297' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='297' column='1'/>
+        <parameter type-id='5f8a1ac4' name='new_mask' filepath='include/trace/hooks/sched.h' line='297' column='1'/>
+        <parameter type-id='7292109c' name='retval' filepath='include/trace/hooks/sched.h' line='297' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_sched_show_task' mangled-name='__traceiter_android_vh_sched_show_task' filepath='include/trace/hooks/dtask.h' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sched_show_task'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='45' column='1'/>
+        <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/dtask.h' line='45' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_scheduler_tick' mangled-name='__traceiter_android_vh_scheduler_tick' filepath='include/trace/hooks/sched.h' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_scheduler_tick'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='38' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='38' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_setscheduler_uclamp' mangled-name='__traceiter_android_vh_setscheduler_uclamp' filepath='include/trace/hooks/sched.h' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_setscheduler_uclamp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='377' column='1'/>
+        <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/sched.h' line='377' column='1'/>
+        <parameter type-id='95e97e5e' name='clamp_id' filepath='include/trace/hooks/sched.h' line='377' column='1'/>
+        <parameter type-id='f0981eeb' name='value' filepath='include/trace/hooks/sched.h' line='377' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_sha256' mangled-name='__traceiter_android_vh_sha256' filepath='include/trace/hooks/fips140.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sha256'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='19' column='1'/>
+        <parameter type-id='bbaf3419' name='data' filepath='include/trace/hooks/fips140.h' line='19' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='include/trace/hooks/fips140.h' line='19' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='include/trace/hooks/fips140.h' line='19' column='1'/>
+        <parameter type-id='7292109c' name='hook_inuse' filepath='include/trace/hooks/fips140.h' line='19' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_show_max_freq' mangled-name='__traceiter_android_vh_show_max_freq' filepath='include/trace/hooks/cpufreq.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_show_max_freq'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='18' column='1'/>
+        <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='18' column='1'/>
+        <parameter type-id='807869d3' name='max_freq' filepath='include/trace/hooks/cpufreq.h' line='18' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_show_mem' mangled-name='__traceiter_android_vh_show_mem' filepath='include/trace/hooks/mm.h' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_show_mem'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='94' column='1'/>
+        <parameter type-id='f0981eeb' name='filter' filepath='include/trace/hooks/mm.h' line='94' column='1'/>
+        <parameter type-id='f461c050' name='nodemask' filepath='include/trace/hooks/mm.h' line='94' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_shrink_inactive_list_blk_plug' mangled-name='__traceiter_android_vh_shrink_inactive_list_blk_plug' filepath='include/trace/hooks/mm.h' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_shrink_inactive_list_blk_plug'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='106' column='1'/>
+        <parameter type-id='d8e6b335' name='do_plug' filepath='include/trace/hooks/mm.h' line='106' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_shrink_lruvec_blk_plug' mangled-name='__traceiter_android_vh_shrink_lruvec_blk_plug' filepath='include/trace/hooks/mm.h' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_shrink_lruvec_blk_plug'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='109' column='1'/>
+        <parameter type-id='d8e6b335' name='do_plug' filepath='include/trace/hooks/mm.h' line='109' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_skip_lru_disable' mangled-name='__traceiter_android_vh_skip_lru_disable' filepath='include/trace/hooks/mm.h' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_skip_lru_disable'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='124' column='1'/>
+        <parameter type-id='d8e6b335' name='skip' filepath='include/trace/hooks/mm.h' line='124' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_snd_compr_use_pause_in_drain' mangled-name='__traceiter_android_vh_snd_compr_use_pause_in_drain' filepath='include/trace/hooks/snd_compr.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_snd_compr_use_pause_in_drain'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/snd_compr.h' line='17' column='1'/>
+        <parameter type-id='d8e6b335' name='use_pause_in_drain' filepath='include/trace/hooks/snd_compr.h' line='17' column='1'/>
+        <parameter type-id='d8e6b335' name='leave_draining' filepath='include/trace/hooks/snd_compr.h' line='17' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_sound_usb_support_cpu_suspend' mangled-name='__traceiter_android_vh_sound_usb_support_cpu_suspend' filepath='include/trace/hooks/sound.h' line='11' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sound_usb_support_cpu_suspend'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sound.h' line='11' column='1'/>
+        <parameter type-id='25e60cb2' name='udev' filepath='include/trace/hooks/sound.h' line='11' column='1'/>
+        <parameter type-id='95e97e5e' name='direction' filepath='include/trace/hooks/sound.h' line='11' column='1'/>
+        <parameter type-id='d8e6b335' name='is_support' filepath='include/trace/hooks/sound.h' line='11' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_sysrq_crash' mangled-name='__traceiter_android_vh_sysrq_crash' filepath='include/trace/hooks/sysrqcrash.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sysrq_crash'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sysrqcrash.h' line='13' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='include/trace/hooks/sysrqcrash.h' line='13' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_thermal_pm_notify_suspend' mangled-name='__traceiter_android_vh_thermal_pm_notify_suspend' filepath='include/trace/hooks/thermal.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_thermal_pm_notify_suspend'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/thermal.h' line='19' column='1'/>
+        <parameter type-id='404b1300' name='tz' filepath='include/trace/hooks/thermal.h' line='19' column='1'/>
+        <parameter type-id='7292109c' name='irq_wakeable' filepath='include/trace/hooks/thermal.h' line='19' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_timerfd_create' mangled-name='__traceiter_android_vh_timerfd_create' filepath='include/trace/hooks/fs.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_timerfd_create'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fs.h' line='16' column='1'/>
+        <parameter type-id='26a90f95' name='name' filepath='include/trace/hooks/fs.h' line='16' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='include/trace/hooks/fs.h' line='16' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_try_grab_compound_head' mangled-name='__traceiter_android_vh_try_grab_compound_head' filepath='include/trace/hooks/gup.h' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_try_grab_compound_head'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gup.h' line='12' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/gup.h' line='12' column='1'/>
+        <parameter type-id='95e97e5e' name='refs' filepath='include/trace/hooks/gup.h' line='12' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='include/trace/hooks/gup.h' line='12' column='1'/>
+        <parameter type-id='d8e6b335' name='ret' filepath='include/trace/hooks/gup.h' line='12' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_try_to_freeze_todo' mangled-name='__traceiter_android_vh_try_to_freeze_todo' filepath='include/trace/hooks/power.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_try_to_freeze_todo'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/power.h' line='21' column='1'/>
+        <parameter type-id='f0981eeb' name='todo' filepath='include/trace/hooks/power.h' line='21' column='1'/>
+        <parameter type-id='f0981eeb' name='elapsed_msecs' filepath='include/trace/hooks/power.h' line='21' column='1'/>
+        <parameter type-id='b50a4934' name='wq_busy' filepath='include/trace/hooks/power.h' line='21' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_try_to_freeze_todo_logging' mangled-name='__traceiter_android_vh_try_to_freeze_todo_logging' filepath='include/trace/hooks/power.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_try_to_freeze_todo_logging'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/power.h' line='25' column='1'/>
+        <parameter type-id='d8e6b335' name='logging_on' filepath='include/trace/hooks/power.h' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_try_to_freeze_todo_unfrozen' mangled-name='__traceiter_android_vh_try_to_freeze_todo_unfrozen' filepath='include/trace/hooks/power.h' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_try_to_freeze_todo_unfrozen'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/power.h' line='29' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/power.h' line='29' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_typec_store_partner_src_caps' mangled-name='__traceiter_android_vh_typec_store_partner_src_caps' filepath='include/trace/hooks/typec.h' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_store_partner_src_caps'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+        <parameter type-id='426e425b' name='port' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+        <parameter type-id='807869d3' name='nr_source_caps' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+        <parameter type-id='428e8d18' name='source_caps' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_typec_tcpci_override_toggling' mangled-name='__traceiter_android_vh_typec_tcpci_override_toggling' filepath='include/trace/hooks/typec.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpci_override_toggling'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+        <parameter type-id='eefe253e' name='tcpci' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+        <parameter type-id='b6733265' name='data' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+        <parameter type-id='7292109c' name='override_toggling' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_typec_tcpm_get_timer' mangled-name='__traceiter_android_vh_typec_tcpm_get_timer' filepath='include/trace/hooks/typec.h' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpm_get_timer'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+        <parameter type-id='80f4b756' name='state' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+        <parameter type-id='014ea5fb' name='timer' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+        <parameter type-id='807869d3' name='msecs' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_typec_tcpm_log' mangled-name='__traceiter_android_vh_typec_tcpm_log' filepath='include/trace/hooks/typec.h' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpm_log'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='61' column='1'/>
+        <parameter type-id='80f4b756' name='log' filepath='include/trace/hooks/typec.h' line='61' column='1'/>
+        <parameter type-id='d8e6b335' name='bypass' filepath='include/trace/hooks/typec.h' line='61' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_typec_tcpm_modify_src_caps' mangled-name='__traceiter_android_vh_typec_tcpm_modify_src_caps' filepath='include/trace/hooks/typec.h' line='65' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpm_modify_src_caps'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='65' column='1'/>
+        <parameter type-id='807869d3' name='nr_src_pdo' filepath='include/trace/hooks/typec.h' line='65' column='1'/>
+        <parameter type-id='428e8d18' name='src_pdo' filepath='include/trace/hooks/typec.h' line='65' column='1'/>
+        <parameter type-id='d8e6b335' name='modified' filepath='include/trace/hooks/typec.h' line='65' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_uclamp_validate' mangled-name='__traceiter_android_vh_uclamp_validate' filepath='include/trace/hooks/sched.h' line='352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_uclamp_validate'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='352' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='352' column='1'/>
+        <parameter type-id='8abbb6c3' name='attr' filepath='include/trace/hooks/sched.h' line='352' column='1'/>
+        <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/sched.h' line='352' column='1'/>
+        <parameter type-id='d8e6b335' name='done' filepath='include/trace/hooks/sched.h' line='352' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_check_int_errors' mangled-name='__traceiter_android_vh_ufs_check_int_errors' filepath='include/trace/hooks/ufshcd.h' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_check_int_errors'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='57' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='57' column='1'/>
+        <parameter type-id='b50a4934' name='queue_eh_work' filepath='include/trace/hooks/ufshcd.h' line='57' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_compl_command' mangled-name='__traceiter_android_vh_ufs_compl_command' filepath='include/trace/hooks/ufshcd.h' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_compl_command'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='44' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='44' column='1'/>
+        <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='44' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_fill_prdt' mangled-name='__traceiter_android_vh_ufs_fill_prdt' filepath='include/trace/hooks/ufshcd.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_fill_prdt'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='18' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='18' column='1'/>
+        <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='18' column='1'/>
+        <parameter type-id='f0981eeb' name='segments' filepath='include/trace/hooks/ufshcd.h' line='18' column='1'/>
+        <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/ufshcd.h' line='18' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_prepare_command' mangled-name='__traceiter_android_vh_ufs_prepare_command' filepath='include/trace/hooks/ufshcd.h' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_prepare_command'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='31' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='31' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='include/trace/hooks/ufshcd.h' line='31' column='1'/>
+        <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='31' column='1'/>
+        <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/ufshcd.h' line='31' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_send_command' mangled-name='__traceiter_android_vh_ufs_send_command' filepath='include/trace/hooks/ufshcd.h' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_send_command'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='40' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='40' column='1'/>
+        <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='40' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_send_tm_command' mangled-name='__traceiter_android_vh_ufs_send_tm_command' filepath='include/trace/hooks/ufshcd.h' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_send_tm_command'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+        <parameter type-id='95e97e5e' name='tag' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_send_uic_command' mangled-name='__traceiter_android_vh_ufs_send_uic_command' filepath='include/trace/hooks/ufshcd.h' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_send_uic_command'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+        <parameter type-id='cdf785b8' name='ucmd' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_update_sdev' mangled-name='__traceiter_android_vh_ufs_update_sdev' filepath='include/trace/hooks/ufshcd.h' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_update_sdev'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='61' column='1'/>
+        <parameter type-id='eb572b74' name='sdev' filepath='include/trace/hooks/ufshcd.h' line='61' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_ufs_update_sysfs' mangled-name='__traceiter_android_vh_ufs_update_sysfs' filepath='include/trace/hooks/ufshcd.h' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_update_sysfs'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='36' column='1'/>
+        <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='36' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_usb_dev_resume' mangled-name='__traceiter_android_vh_usb_dev_resume' filepath='include/trace/hooks/usb.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_usb_dev_resume'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/usb.h' line='25' column='1'/>
+        <parameter type-id='25e60cb2' name='udev' filepath='include/trace/hooks/usb.h' line='25' column='1'/>
+        <parameter type-id='08496218' name='msg' filepath='include/trace/hooks/usb.h' line='25' column='1'/>
+        <parameter type-id='7292109c' name='bypass' filepath='include/trace/hooks/usb.h' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_usb_dev_suspend' mangled-name='__traceiter_android_vh_usb_dev_suspend' filepath='include/trace/hooks/usb.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_usb_dev_suspend'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/usb.h' line='21' column='1'/>
+        <parameter type-id='25e60cb2' name='udev' filepath='include/trace/hooks/usb.h' line='21' column='1'/>
+        <parameter type-id='08496218' name='msg' filepath='include/trace/hooks/usb.h' line='21' column='1'/>
+        <parameter type-id='7292109c' name='bypass' filepath='include/trace/hooks/usb.h' line='21' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_watchdog_timer_softlockup' mangled-name='__traceiter_android_vh_watchdog_timer_softlockup' filepath='include/trace/hooks/softlockup.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_watchdog_timer_softlockup'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/softlockup.h' line='15' column='1'/>
+        <parameter type-id='95e97e5e' name='duration' filepath='include/trace/hooks/softlockup.h' line='15' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/softlockup.h' line='15' column='1'/>
+        <parameter type-id='b50a4934' name='is_panic' filepath='include/trace/hooks/softlockup.h' line='15' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_wq_lockup_pool' mangled-name='__traceiter_android_vh_wq_lockup_pool' filepath='include/trace/hooks/wqlockup.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_wq_lockup_pool'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/wqlockup.h' line='13' column='1'/>
+        <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/wqlockup.h' line='13' column='1'/>
+        <parameter type-id='7359adad' name='pool_ts' filepath='include/trace/hooks/wqlockup.h' line='13' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_zap_pte_range_tlb_end' mangled-name='__traceiter_android_vh_zap_pte_range_tlb_end' filepath='include/trace/hooks/mm.h' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_zap_pte_range_tlb_end'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='121' column='1'/>
+        <parameter type-id='eaa32e2f' name='ret' filepath='include/trace/hooks/mm.h' line='121' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_zap_pte_range_tlb_force_flush' mangled-name='__traceiter_android_vh_zap_pte_range_tlb_force_flush' filepath='include/trace/hooks/mm.h' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_zap_pte_range_tlb_force_flush'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='118' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='118' column='1'/>
+        <parameter type-id='d8e6b335' name='flush' filepath='include/trace/hooks/mm.h' line='118' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_android_vh_zap_pte_range_tlb_start' mangled-name='__traceiter_android_vh_zap_pte_range_tlb_start' filepath='include/trace/hooks/mm.h' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_zap_pte_range_tlb_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='115' column='1'/>
+        <parameter type-id='eaa32e2f' name='ret' filepath='include/trace/hooks/mm.h' line='115' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_binder_transaction_received' mangled-name='__traceiter_binder_transaction_received' filepath='drivers/android/./binder_trace.h' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_binder_transaction_received'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='drivers/android/./binder_trace.h' line='150' column='1'/>
+        <parameter type-id='f4c3bb4c' name='t' filepath='drivers/android/./binder_trace.h' line='150' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_clock_set_rate' mangled-name='__traceiter_clock_set_rate' filepath='include/trace/events/power.h' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_clock_set_rate'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='344' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='include/trace/events/power.h' line='344' column='1'/>
+        <parameter type-id='f0981eeb' name='state' filepath='include/trace/events/power.h' line='344' column='1'/>
+        <parameter type-id='f0981eeb' name='cpu_id' filepath='include/trace/events/power.h' line='344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_cpu_frequency' mangled-name='__traceiter_cpu_frequency' filepath='include/trace/events/power.h' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_cpu_frequency'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='167' column='1'/>
+        <parameter type-id='f0981eeb' name='frequency' filepath='include/trace/events/power.h' line='167' column='1'/>
+        <parameter type-id='f0981eeb' name='cpu_id' filepath='include/trace/events/power.h' line='167' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_device_pm_callback_end' mangled-name='__traceiter_device_pm_callback_end' filepath='include/trace/events/power.h' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_device_pm_callback_end'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='226' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='include/trace/events/power.h' line='226' column='1'/>
+        <parameter type-id='95e97e5e' name='error' filepath='include/trace/events/power.h' line='226' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_device_pm_callback_start' mangled-name='__traceiter_device_pm_callback_start' filepath='include/trace/events/power.h' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_device_pm_callback_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='198' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='include/trace/events/power.h' line='198' column='1'/>
+        <parameter type-id='80f4b756' name='pm_ops' filepath='include/trace/events/power.h' line='198' column='1'/>
+        <parameter type-id='95e97e5e' name='event' filepath='include/trace/events/power.h' line='198' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_dma_fence_emit' mangled-name='__traceiter_dma_fence_emit' filepath='include/trace/events/dma_fence.h' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dma_fence_emit'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/dma_fence.h' line='37' column='1'/>
+        <parameter type-id='28271da3' name='fence' filepath='include/trace/events/dma_fence.h' line='37' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_dwc3_ep_queue' mangled-name='__traceiter_dwc3_ep_queue' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_ep_queue'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1'/>
+        <parameter type-id='952cef4e' name='req' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_dwc3_readl' mangled-name='__traceiter_dwc3_readl' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_readl'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+        <parameter type-id='eaa32e2f' name='base' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+        <parameter type-id='19c2251e' name='offset' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+        <parameter type-id='19c2251e' name='value' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_dwc3_writel' mangled-name='__traceiter_dwc3_writel' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_writel'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+        <parameter type-id='eaa32e2f' name='base' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+        <parameter type-id='19c2251e' name='offset' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+        <parameter type-id='19c2251e' name='value' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_gpu_mem_total' mangled-name='__traceiter_gpu_mem_total' filepath='include/trace/events/gpu_mem.h' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_gpu_mem_total'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+        <parameter type-id='8f92235e' name='gpu_id' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+        <parameter type-id='8f92235e' name='pid' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+        <parameter type-id='9c313c2d' name='size' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_hrtimer_expire_entry' mangled-name='__traceiter_hrtimer_expire_entry' filepath='include/trace/events/timer.h' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_hrtimer_expire_entry'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/timer.h' line='236' column='1'/>
+        <parameter type-id='08c8d0fa' name='hrtimer' filepath='include/trace/events/timer.h' line='236' column='1'/>
+        <parameter type-id='44372936' name='now' filepath='include/trace/events/timer.h' line='236' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_hrtimer_expire_exit' mangled-name='__traceiter_hrtimer_expire_exit' filepath='include/trace/events/timer.h' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_hrtimer_expire_exit'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/timer.h' line='283' column='1'/>
+        <parameter type-id='08c8d0fa' name='hrtimer' filepath='include/trace/events/timer.h' line='283' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_ipi_entry' mangled-name='__traceiter_ipi_entry' filepath='include/trace/events/ipi.h' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_ipi_entry'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/ipi.h' line='64' column='1'/>
+        <parameter type-id='80f4b756' name='reason' filepath='include/trace/events/ipi.h' line='64' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_ipi_exit' mangled-name='__traceiter_ipi_exit' filepath='include/trace/events/ipi.h' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_ipi_exit'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/ipi.h' line='80' column='1'/>
+        <parameter type-id='80f4b756' name='reason' filepath='include/trace/events/ipi.h' line='80' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_ipi_raise' mangled-name='__traceiter_ipi_raise' filepath='include/trace/events/ipi.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_ipi_raise'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/ipi.h' line='19' column='1'/>
+        <parameter type-id='5f8a1ac4' name='mask' filepath='include/trace/events/ipi.h' line='19' column='1'/>
+        <parameter type-id='80f4b756' name='reason' filepath='include/trace/events/ipi.h' line='19' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_irq_handler_entry' mangled-name='__traceiter_irq_handler_entry' filepath='include/trace/events/irq.h' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_irq_handler_entry'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/irq.h' line='53' column='1'/>
+        <parameter type-id='95e97e5e' name='irq' filepath='include/trace/events/irq.h' line='53' column='1'/>
+        <parameter type-id='ba361e53' name='action' filepath='include/trace/events/irq.h' line='53' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_irq_handler_exit' mangled-name='__traceiter_irq_handler_exit' filepath='include/trace/events/irq.h' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_irq_handler_exit'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/irq.h' line='83' column='1'/>
+        <parameter type-id='95e97e5e' name='irq' filepath='include/trace/events/irq.h' line='83' column='1'/>
+        <parameter type-id='ba361e53' name='action' filepath='include/trace/events/irq.h' line='83' column='1'/>
+        <parameter type-id='95e97e5e' name='ret' filepath='include/trace/events/irq.h' line='83' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_kfree_skb' mangled-name='__traceiter_kfree_skb' filepath='include/trace/events/skb.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_kfree_skb'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/skb.h' line='15' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='include/trace/events/skb.h' line='15' column='1'/>
+        <parameter type-id='eaa32e2f' name='location' filepath='include/trace/events/skb.h' line='15' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_mm_vmscan_direct_reclaim_begin' mangled-name='__traceiter_mm_vmscan_direct_reclaim_begin' filepath='include/trace/events/vmscan.h' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_mm_vmscan_direct_reclaim_begin'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/vmscan.h' line='122' column='1'/>
+        <parameter type-id='95e97e5e' name='order' filepath='include/trace/events/vmscan.h' line='122' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_flags' filepath='include/trace/events/vmscan.h' line='122' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_mm_vmscan_direct_reclaim_end' mangled-name='__traceiter_mm_vmscan_direct_reclaim_end' filepath='include/trace/events/vmscan.h' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_mm_vmscan_direct_reclaim_end'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/vmscan.h' line='162' column='1'/>
+        <parameter type-id='7359adad' name='nr_reclaimed' filepath='include/trace/events/vmscan.h' line='162' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_pelt_cfs_tp' mangled-name='__traceiter_pelt_cfs_tp' filepath='include/trace/events/sched.h' line='636' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_cfs_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='636' column='1'/>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/events/sched.h' line='636' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_pelt_dl_tp' mangled-name='__traceiter_pelt_dl_tp' filepath='include/trace/events/sched.h' line='644' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_dl_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='644' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='644' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_pelt_irq_tp' mangled-name='__traceiter_pelt_irq_tp' filepath='include/trace/events/sched.h' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_irq_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='652' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='652' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_pelt_rt_tp' mangled-name='__traceiter_pelt_rt_tp' filepath='include/trace/events/sched.h' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_rt_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='640' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='640' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_pelt_se_tp' mangled-name='__traceiter_pelt_se_tp' filepath='include/trace/events/sched.h' line='656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_se_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='656' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/events/sched.h' line='656' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_rwmmio_post_read' mangled-name='__traceiter_rwmmio_post_read' filepath='include/trace/events/rwmmio.h' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_rwmmio_post_read'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+        <parameter type-id='7359adad' name='fn' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+        <parameter type-id='91ce1af9' name='val' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+        <parameter type-id='60f8eab0' name='addr' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_rwmmio_read' mangled-name='__traceiter_rwmmio_read' filepath='include/trace/events/rwmmio.h' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_rwmmio_read'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+        <parameter type-id='7359adad' name='fn' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+        <parameter type-id='60f8eab0' name='addr' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_rwmmio_write' mangled-name='__traceiter_rwmmio_write' filepath='include/trace/events/rwmmio.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_rwmmio_write'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+        <parameter type-id='7359adad' name='fn' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+        <parameter type-id='91ce1af9' name='val' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+        <parameter type-id='fe09dd29' name='addr' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_sched_cpu_capacity_tp' mangled-name='__traceiter_sched_cpu_capacity_tp' filepath='include/trace/events/sched.h' line='660' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_cpu_capacity_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='660' column='1'/>
+        <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='660' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_sched_overutilized_tp' mangled-name='__traceiter_sched_overutilized_tp' filepath='include/trace/events/sched.h' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_overutilized_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='664' column='1'/>
+        <parameter type-id='c13bca88' name='rd' filepath='include/trace/events/sched.h' line='664' column='1'/>
+        <parameter type-id='b50a4934' name='overutilized' filepath='include/trace/events/sched.h' line='664' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_sched_switch' mangled-name='__traceiter_sched_switch' filepath='include/trace/events/sched.h' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_switch'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='138' column='1'/>
+        <parameter type-id='b50a4934' name='preempt' filepath='include/trace/events/sched.h' line='138' column='1'/>
+        <parameter type-id='f23e2572' name='prev' filepath='include/trace/events/sched.h' line='138' column='1'/>
+        <parameter type-id='f23e2572' name='next' filepath='include/trace/events/sched.h' line='138' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_sched_util_est_cfs_tp' mangled-name='__traceiter_sched_util_est_cfs_tp' filepath='include/trace/events/sched.h' line='668' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_util_est_cfs_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='668' column='1'/>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/events/sched.h' line='668' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_sched_util_est_se_tp' mangled-name='__traceiter_sched_util_est_se_tp' filepath='include/trace/events/sched.h' line='672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_util_est_se_tp'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='672' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='include/trace/events/sched.h' line='672' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_sched_wakeup' mangled-name='__traceiter_sched_wakeup' filepath='include/trace/events/sched.h' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_wakeup'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='96' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='include/trace/events/sched.h' line='96' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_softirq_entry' mangled-name='__traceiter_softirq_entry' filepath='include/trace/events/irq.h' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_softirq_entry'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/irq.h' line='128' column='1'/>
+        <parameter type-id='f0981eeb' name='vec_nr' filepath='include/trace/events/irq.h' line='128' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_softirq_exit' mangled-name='__traceiter_softirq_exit' filepath='include/trace/events/irq.h' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_softirq_exit'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/irq.h' line='142' column='1'/>
+        <parameter type-id='f0981eeb' name='vec_nr' filepath='include/trace/events/irq.h' line='142' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_suspend_resume' mangled-name='__traceiter_suspend_resume' filepath='include/trace/events/power.h' line='248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_suspend_resume'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='248' column='1'/>
+        <parameter type-id='80f4b756' name='action' filepath='include/trace/events/power.h' line='248' column='1'/>
+        <parameter type-id='95e97e5e' name='val' filepath='include/trace/events/power.h' line='248' column='1'/>
+        <parameter type-id='b50a4934' name='start' filepath='include/trace/events/power.h' line='248' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_workqueue_execute_end' mangled-name='__traceiter_workqueue_execute_end' filepath='include/trace/events/workqueue.h' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_workqueue_execute_end'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/workqueue.h' line='108' column='1'/>
+        <parameter type-id='83c1bde6' name='work' filepath='include/trace/events/workqueue.h' line='108' column='1'/>
+        <parameter type-id='72666d3f' name='function' filepath='include/trace/events/workqueue.h' line='108' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_workqueue_execute_start' mangled-name='__traceiter_workqueue_execute_start' filepath='include/trace/events/workqueue.h' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_workqueue_execute_start'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/workqueue.h' line='82' column='1'/>
+        <parameter type-id='83c1bde6' name='work' filepath='include/trace/events/workqueue.h' line='82' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__traceiter_xdp_exception' mangled-name='__traceiter_xdp_exception' filepath='include/trace/events/xdp.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_xdp_exception'>
+        <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+        <parameter type-id='2ce52478' name='dev' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+        <parameter type-id='18145275' name='xdp' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+        <parameter type-id='19c2251e' name='act' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='__tracepoint_android_rvh_arm64_serror_panic' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_arm64_serror_panic' visibility='default' filepath='include/trace/hooks/traps.h' line='24' column='1' elf-symbol-id='__tracepoint_android_rvh_arm64_serror_panic'/>
+      <var-decl name='__tracepoint_android_rvh_attach_entity_load_avg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_attach_entity_load_avg' visibility='default' filepath='include/trace/hooks/sched.h' line='381' column='1' elf-symbol-id='__tracepoint_android_rvh_attach_entity_load_avg'/>
+      <var-decl name='__tracepoint_android_rvh_bad_mode' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_bad_mode' visibility='default' filepath='include/trace/hooks/traps.h' line='20' column='1' elf-symbol-id='__tracepoint_android_rvh_bad_mode'/>
+      <var-decl name='__tracepoint_android_rvh_can_migrate_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_can_migrate_task' visibility='default' filepath='include/trace/hooks/sched.h' line='50' column='1' elf-symbol-id='__tracepoint_android_rvh_can_migrate_task'/>
+      <var-decl name='__tracepoint_android_rvh_cgroup_force_kthread_migration' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cgroup_force_kthread_migration' visibility='default' filepath='include/trace/hooks/cgroup.h' line='20' column='1' elf-symbol-id='__tracepoint_android_rvh_cgroup_force_kthread_migration'/>
+      <var-decl name='__tracepoint_android_rvh_check_preempt_wakeup' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_check_preempt_wakeup' visibility='default' filepath='include/trace/hooks/sched.h' line='231' column='1' elf-symbol-id='__tracepoint_android_rvh_check_preempt_wakeup'/>
+      <var-decl name='__tracepoint_android_rvh_cpu_cgroup_can_attach' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpu_cgroup_can_attach' visibility='default' filepath='include/trace/hooks/sched.h' line='172' column='1' elf-symbol-id='__tracepoint_android_rvh_cpu_cgroup_can_attach'/>
+      <var-decl name='__tracepoint_android_rvh_cpu_cgroup_online' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpu_cgroup_online' visibility='default' filepath='include/trace/hooks/sched.h' line='176' column='1' elf-symbol-id='__tracepoint_android_rvh_cpu_cgroup_online'/>
+      <var-decl name='__tracepoint_android_rvh_cpu_overutilized' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpu_overutilized' visibility='default' filepath='include/trace/hooks/sched.h' line='131' column='1' elf-symbol-id='__tracepoint_android_rvh_cpu_overutilized'/>
+      <var-decl name='__tracepoint_android_rvh_cpumask_any_and_distribute' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpumask_any_and_distribute' visibility='default' filepath='include/trace/hooks/sched.h' line='301' column='1' elf-symbol-id='__tracepoint_android_rvh_cpumask_any_and_distribute'/>
+      <var-decl name='__tracepoint_android_rvh_dequeue_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_dequeue_task' visibility='default' filepath='include/trace/hooks/sched.h' line='46' column='1' elf-symbol-id='__tracepoint_android_rvh_dequeue_task'/>
+      <var-decl name='__tracepoint_android_rvh_dequeue_task_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_dequeue_task_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='340' column='1' elf-symbol-id='__tracepoint_android_rvh_dequeue_task_fair'/>
+      <var-decl name='__tracepoint_android_rvh_dequeue_task_idle' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_dequeue_task_idle' visibility='default' filepath='include/trace/hooks/sched.h' line='221' column='1' elf-symbol-id='__tracepoint_android_rvh_dequeue_task_idle'/>
+      <var-decl name='__tracepoint_android_rvh_detach_entity_load_avg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_detach_entity_load_avg' visibility='default' filepath='include/trace/hooks/sched.h' line='385' column='1' elf-symbol-id='__tracepoint_android_rvh_detach_entity_load_avg'/>
+      <var-decl name='__tracepoint_android_rvh_die_kernel_fault' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_die_kernel_fault' visibility='default' filepath='include/trace/hooks/fault.h' line='15' column='1' elf-symbol-id='__tracepoint_android_rvh_die_kernel_fault'/>
+      <var-decl name='__tracepoint_android_rvh_do_mem_abort' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_mem_abort' visibility='default' filepath='include/trace/hooks/fault.h' line='23' column='1' elf-symbol-id='__tracepoint_android_rvh_do_mem_abort'/>
+      <var-decl name='__tracepoint_android_rvh_do_sched_yield' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_sched_yield' visibility='default' filepath='include/trace/hooks/sched.h' line='306' column='1' elf-symbol-id='__tracepoint_android_rvh_do_sched_yield'/>
+      <var-decl name='__tracepoint_android_rvh_do_sea' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_sea' visibility='default' filepath='include/trace/hooks/fault.h' line='19' column='1' elf-symbol-id='__tracepoint_android_rvh_do_sea'/>
+      <var-decl name='__tracepoint_android_rvh_do_sp_pc_abort' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_sp_pc_abort' visibility='default' filepath='include/trace/hooks/fault.h' line='27' column='1' elf-symbol-id='__tracepoint_android_rvh_do_sp_pc_abort'/>
+      <var-decl name='__tracepoint_android_rvh_do_undefinstr' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_undefinstr' visibility='default' filepath='include/trace/hooks/traps.h' line='15' column='1' elf-symbol-id='__tracepoint_android_rvh_do_undefinstr'/>
+      <var-decl name='__tracepoint_android_rvh_enqueue_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_enqueue_task' visibility='default' filepath='include/trace/hooks/sched.h' line='42' column='1' elf-symbol-id='__tracepoint_android_rvh_enqueue_task'/>
+      <var-decl name='__tracepoint_android_rvh_enqueue_task_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_enqueue_task_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='336' column='1' elf-symbol-id='__tracepoint_android_rvh_enqueue_task_fair'/>
+      <var-decl name='__tracepoint_android_rvh_find_busiest_queue' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_busiest_queue' visibility='default' filepath='include/trace/hooks/sched.h' line='107' column='1' elf-symbol-id='__tracepoint_android_rvh_find_busiest_queue'/>
+      <var-decl name='__tracepoint_android_rvh_find_energy_efficient_cpu' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_energy_efficient_cpu' visibility='default' filepath='include/trace/hooks/sched.h' line='123' column='1' elf-symbol-id='__tracepoint_android_rvh_find_energy_efficient_cpu'/>
+      <var-decl name='__tracepoint_android_rvh_find_lowest_rq' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_lowest_rq' visibility='default' filepath='include/trace/hooks/sched.h' line='54' column='1' elf-symbol-id='__tracepoint_android_rvh_find_lowest_rq'/>
+      <var-decl name='__tracepoint_android_rvh_find_new_ilb' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_new_ilb' visibility='default' filepath='include/trace/hooks/sched.h' line='365' column='1' elf-symbol-id='__tracepoint_android_rvh_find_new_ilb'/>
+      <var-decl name='__tracepoint_android_rvh_irqs_disable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_irqs_disable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='21' column='1' elf-symbol-id='__tracepoint_android_rvh_irqs_disable'/>
+      <var-decl name='__tracepoint_android_rvh_irqs_enable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_irqs_enable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='25' column='1' elf-symbol-id='__tracepoint_android_rvh_irqs_enable'/>
+      <var-decl name='__tracepoint_android_rvh_pci_d3_sleep' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_pci_d3_sleep' visibility='default' filepath='include/trace/hooks/pci.h' line='17' column='1' elf-symbol-id='__tracepoint_android_rvh_pci_d3_sleep'/>
+      <var-decl name='__tracepoint_android_rvh_post_init_entity_util_avg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_post_init_entity_util_avg' visibility='default' filepath='include/trace/hooks/sched.h' line='289' column='1' elf-symbol-id='__tracepoint_android_rvh_post_init_entity_util_avg'/>
+      <var-decl name='__tracepoint_android_rvh_preempt_disable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_preempt_disable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='13' column='1' elf-symbol-id='__tracepoint_android_rvh_preempt_disable'/>
+      <var-decl name='__tracepoint_android_rvh_preempt_enable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_preempt_enable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='17' column='1' elf-symbol-id='__tracepoint_android_rvh_preempt_enable'/>
+      <var-decl name='__tracepoint_android_rvh_prepare_prio_fork' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_prepare_prio_fork' visibility='default' filepath='include/trace/hooks/sched.h' line='59' column='1' elf-symbol-id='__tracepoint_android_rvh_prepare_prio_fork'/>
+      <var-decl name='__tracepoint_android_rvh_remove_entity_load_avg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_remove_entity_load_avg' visibility='default' filepath='include/trace/hooks/sched.h' line='393' column='1' elf-symbol-id='__tracepoint_android_rvh_remove_entity_load_avg'/>
+      <var-decl name='__tracepoint_android_rvh_replace_next_task_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_replace_next_task_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='272' column='1' elf-symbol-id='__tracepoint_android_rvh_replace_next_task_fair'/>
+      <var-decl name='__tracepoint_android_rvh_report_bug' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_report_bug' visibility='default' filepath='include/trace/hooks/bug.h' line='13' column='1' elf-symbol-id='__tracepoint_android_rvh_report_bug'/>
+      <var-decl name='__tracepoint_android_rvh_rtmutex_prepare_setprio' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_rtmutex_prepare_setprio' visibility='default' filepath='include/trace/hooks/sched.h' line='67' column='1' elf-symbol-id='__tracepoint_android_rvh_rtmutex_prepare_setprio'/>
+      <var-decl name='__tracepoint_android_rvh_sched_fork' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_fork' visibility='default' filepath='include/trace/hooks/sched.h' line='148' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_fork'/>
+      <var-decl name='__tracepoint_android_rvh_sched_fork_init' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_fork_init' visibility='default' filepath='include/trace/hooks/sched.h' line='180' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_fork_init'/>
+      <var-decl name='__tracepoint_android_rvh_sched_newidle_balance' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_newidle_balance' visibility='default' filepath='include/trace/hooks/sched.h' line='94' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_newidle_balance'/>
+      <var-decl name='__tracepoint_android_rvh_sched_nohz_balancer_kick' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_nohz_balancer_kick' visibility='default' filepath='include/trace/hooks/sched.h' line='99' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_nohz_balancer_kick'/>
+      <var-decl name='__tracepoint_android_rvh_sched_rebalance_domains' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_rebalance_domains' visibility='default' filepath='include/trace/hooks/sched.h' line='103' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_rebalance_domains'/>
+      <var-decl name='__tracepoint_android_rvh_schedule' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_schedule' visibility='default' filepath='include/trace/hooks/sched.h' line='156' column='1' elf-symbol-id='__tracepoint_android_rvh_schedule'/>
+      <var-decl name='__tracepoint_android_rvh_schedule_bug' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_schedule_bug' visibility='default' filepath='include/trace/hooks/sched.h' line='188' column='1' elf-symbol-id='__tracepoint_android_rvh_schedule_bug'/>
+      <var-decl name='__tracepoint_android_rvh_select_fallback_rq' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_select_fallback_rq' visibility='default' filepath='include/trace/hooks/sched.h' line='33' column='1' elf-symbol-id='__tracepoint_android_rvh_select_fallback_rq'/>
+      <var-decl name='__tracepoint_android_rvh_select_task_rq_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_select_task_rq_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='21' column='1' elf-symbol-id='__tracepoint_android_rvh_select_task_rq_fair'/>
+      <var-decl name='__tracepoint_android_rvh_select_task_rq_rt' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_select_task_rq_rt' visibility='default' filepath='include/trace/hooks/sched.h' line='25' column='1' elf-symbol-id='__tracepoint_android_rvh_select_task_rq_rt'/>
+      <var-decl name='__tracepoint_android_rvh_set_iowait' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_iowait' visibility='default' filepath='include/trace/hooks/sched.h' line='127' column='1' elf-symbol-id='__tracepoint_android_rvh_set_iowait'/>
+      <var-decl name='__tracepoint_android_rvh_set_task_cpu' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_task_cpu' visibility='default' filepath='include/trace/hooks/sched.h' line='144' column='1' elf-symbol-id='__tracepoint_android_rvh_set_task_cpu'/>
+      <var-decl name='__tracepoint_android_rvh_set_user_nice' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_user_nice' visibility='default' filepath='include/trace/hooks/sched.h' line='71' column='1' elf-symbol-id='__tracepoint_android_rvh_set_user_nice'/>
+      <var-decl name='__tracepoint_android_rvh_setscheduler' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_setscheduler' visibility='default' filepath='include/trace/hooks/sched.h' line='75' column='1' elf-symbol-id='__tracepoint_android_rvh_setscheduler'/>
+      <var-decl name='__tracepoint_android_rvh_typec_tcpci_chk_contaminant' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_typec_tcpci_chk_contaminant' visibility='default' filepath='include/trace/hooks/typec.h' line='32' column='1' elf-symbol-id='__tracepoint_android_rvh_typec_tcpci_chk_contaminant'/>
+      <var-decl name='__tracepoint_android_rvh_typec_tcpci_get_vbus' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_typec_tcpci_get_vbus' visibility='default' filepath='include/trace/hooks/typec.h' line='43' column='1' elf-symbol-id='__tracepoint_android_rvh_typec_tcpci_get_vbus'/>
+      <var-decl name='__tracepoint_android_rvh_uclamp_eff_get' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_uclamp_eff_get' visibility='default' filepath='include/trace/hooks/sched.h' line='246' column='1' elf-symbol-id='__tracepoint_android_rvh_uclamp_eff_get'/>
+      <var-decl name='__tracepoint_android_rvh_uclamp_rq_util_with' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_uclamp_rq_util_with' visibility='default' filepath='include/trace/hooks/sched.h' line='256' column='1' elf-symbol-id='__tracepoint_android_rvh_uclamp_rq_util_with'/>
+      <var-decl name='__tracepoint_android_rvh_ufs_complete_init' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_ufs_complete_init' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='23' column='1' elf-symbol-id='__tracepoint_android_rvh_ufs_complete_init'/>
+      <var-decl name='__tracepoint_android_rvh_ufs_reprogram_all_keys' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_ufs_reprogram_all_keys' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='27' column='1' elf-symbol-id='__tracepoint_android_rvh_ufs_reprogram_all_keys'/>
+      <var-decl name='__tracepoint_android_rvh_update_blocked_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_blocked_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='397' column='1' elf-symbol-id='__tracepoint_android_rvh_update_blocked_fair'/>
+      <var-decl name='__tracepoint_android_rvh_update_load_avg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_load_avg' visibility='default' filepath='include/trace/hooks/sched.h' line='389' column='1' elf-symbol-id='__tracepoint_android_rvh_update_load_avg'/>
+      <var-decl name='__tracepoint_android_rvh_update_misfit_status' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_misfit_status' visibility='default' filepath='include/trace/hooks/sched.h' line='164' column='1' elf-symbol-id='__tracepoint_android_rvh_update_misfit_status'/>
+      <var-decl name='__tracepoint_android_rvh_update_rq_clock_pelt' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_rq_clock_pelt' visibility='default' filepath='include/trace/hooks/sched.h' line='405' column='1' elf-symbol-id='__tracepoint_android_rvh_update_rq_clock_pelt'/>
+      <var-decl name='__tracepoint_android_rvh_update_rt_rq_load_avg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_rt_rq_load_avg' visibility='default' filepath='include/trace/hooks/sched.h' line='401' column='1' elf-symbol-id='__tracepoint_android_rvh_update_rt_rq_load_avg'/>
+      <var-decl name='__tracepoint_android_rvh_util_est_update' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_util_est_update' visibility='default' filepath='include/trace/hooks/sched.h' line='277' column='1' elf-symbol-id='__tracepoint_android_rvh_util_est_update'/>
+      <var-decl name='__tracepoint_android_rvh_wake_up_new_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_wake_up_new_task' visibility='default' filepath='include/trace/hooks/sched.h' line='152' column='1' elf-symbol-id='__tracepoint_android_rvh_wake_up_new_task'/>
+      <var-decl name='__tracepoint_android_vh___get_user_pages_remote' type-id='4ca0c298' mangled-name='__tracepoint_android_vh___get_user_pages_remote' visibility='default' filepath='include/trace/hooks/gup.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh___get_user_pages_remote'/>
+      <var-decl name='__tracepoint_android_vh_aes_decrypt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_aes_decrypt' visibility='default' filepath='include/trace/hooks/fips140.h' line='40' column='1' elf-symbol-id='__tracepoint_android_vh_aes_decrypt'/>
+      <var-decl name='__tracepoint_android_vh_aes_encrypt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_aes_encrypt' visibility='default' filepath='include/trace/hooks/fips140.h' line='33' column='1' elf-symbol-id='__tracepoint_android_vh_aes_encrypt'/>
+      <var-decl name='__tracepoint_android_vh_aes_expandkey' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_aes_expandkey' visibility='default' filepath='include/trace/hooks/fips140.h' line='26' column='1' elf-symbol-id='__tracepoint_android_vh_aes_expandkey'/>
+      <var-decl name='__tracepoint_android_vh_arch_set_freq_scale' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_arch_set_freq_scale' visibility='default' filepath='include/trace/hooks/topology.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_arch_set_freq_scale'/>
+      <var-decl name='__tracepoint_android_vh_bh_lru_install' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_bh_lru_install' visibility='default' filepath='include/trace/hooks/buffer.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_bh_lru_install'/>
+      <var-decl name='__tracepoint_android_vh_binder_restore_priority' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_restore_priority' visibility='default' filepath='include/trace/hooks/binder.h' line='30' column='1' elf-symbol-id='__tracepoint_android_vh_binder_restore_priority'/>
+      <var-decl name='__tracepoint_android_vh_binder_set_priority' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_set_priority' visibility='default' filepath='include/trace/hooks/binder.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_binder_set_priority'/>
+      <var-decl name='__tracepoint_android_vh_binder_wakeup_ilocked' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_wakeup_ilocked' visibility='default' filepath='include/trace/hooks/binder.h' line='33' column='1' elf-symbol-id='__tracepoint_android_vh_binder_wakeup_ilocked'/>
+      <var-decl name='__tracepoint_android_vh_cma_alloc_adjust' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cma_alloc_adjust' visibility='default' filepath='include/trace/hooks/mm.h' line='100' column='1' elf-symbol-id='__tracepoint_android_vh_cma_alloc_adjust'/>
+      <var-decl name='__tracepoint_android_vh_cma_alloc_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cma_alloc_finish' visibility='default' filepath='include/trace/hooks/mm.h' line='41' column='1' elf-symbol-id='__tracepoint_android_vh_cma_alloc_finish'/>
+      <var-decl name='__tracepoint_android_vh_cma_alloc_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cma_alloc_start' visibility='default' filepath='include/trace/hooks/mm.h' line='38' column='1' elf-symbol-id='__tracepoint_android_vh_cma_alloc_start'/>
+      <var-decl name='__tracepoint_android_vh_cpu_idle_enter' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpu_idle_enter' visibility='default' filepath='include/trace/hooks/cpuidle.h' line='14' column='1' elf-symbol-id='__tracepoint_android_vh_cpu_idle_enter'/>
+      <var-decl name='__tracepoint_android_vh_cpu_idle_exit' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpu_idle_exit' visibility='default' filepath='include/trace/hooks/cpuidle.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_cpu_idle_exit'/>
+      <var-decl name='__tracepoint_android_vh_dmabuf_heap_flags_validation' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_dmabuf_heap_flags_validation' visibility='default' filepath='include/trace/hooks/dmabuf.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_dmabuf_heap_flags_validation'/>
+      <var-decl name='__tracepoint_android_vh_do_madvise_blk_plug' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_do_madvise_blk_plug' visibility='default' filepath='include/trace/hooks/mm.h' line='103' column='1' elf-symbol-id='__tracepoint_android_vh_do_madvise_blk_plug'/>
+      <var-decl name='__tracepoint_android_vh_dump_throttled_rt_tasks' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_dump_throttled_rt_tasks' visibility='default' filepath='include/trace/hooks/sched.h' line='84' column='1' elf-symbol-id='__tracepoint_android_vh_dump_throttled_rt_tasks'/>
+      <var-decl name='__tracepoint_android_vh_dup_task_struct' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_dup_task_struct' visibility='default' filepath='include/trace/hooks/sched.h' line='357' column='1' elf-symbol-id='__tracepoint_android_vh_dup_task_struct'/>
+      <var-decl name='__tracepoint_android_vh_early_resume_begin' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_early_resume_begin' visibility='default' filepath='include/trace/hooks/suspend.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_early_resume_begin'/>
+      <var-decl name='__tracepoint_android_vh_enable_thermal_genl_check' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_enable_thermal_genl_check' visibility='default' filepath='include/trace/hooks/thermal.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_enable_thermal_genl_check'/>
+      <var-decl name='__tracepoint_android_vh_ep_create_wakeup_source' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ep_create_wakeup_source' visibility='default' filepath='include/trace/hooks/fs.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_ep_create_wakeup_source'/>
+      <var-decl name='__tracepoint_android_vh_get_user_pages' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_get_user_pages' visibility='default' filepath='include/trace/hooks/gup.h' line='20' column='1' elf-symbol-id='__tracepoint_android_vh_get_user_pages'/>
+      <var-decl name='__tracepoint_android_vh_internal_get_user_pages_fast' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_internal_get_user_pages_fast' visibility='default' filepath='include/trace/hooks/gup.h' line='24' column='1' elf-symbol-id='__tracepoint_android_vh_internal_get_user_pages_fast'/>
+      <var-decl name='__tracepoint_android_vh_ipi_stop' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ipi_stop' visibility='default' filepath='include/trace/hooks/debug.h' line='14' column='1' elf-symbol-id='__tracepoint_android_vh_ipi_stop'/>
+      <var-decl name='__tracepoint_android_vh_map_util_freq' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_map_util_freq' visibility='default' filepath='include/trace/hooks/sched.h' line='196' column='1' elf-symbol-id='__tracepoint_android_vh_map_util_freq'/>
+      <var-decl name='__tracepoint_android_vh_meminfo_proc_show' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_meminfo_proc_show' visibility='default' filepath='include/trace/hooks/mm.h' line='77' column='1' elf-symbol-id='__tracepoint_android_vh_meminfo_proc_show'/>
+      <var-decl name='__tracepoint_android_vh_mm_compaction_begin' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mm_compaction_begin' visibility='default' filepath='include/trace/hooks/mm.h' line='52' column='1' elf-symbol-id='__tracepoint_android_vh_mm_compaction_begin'/>
+      <var-decl name='__tracepoint_android_vh_mm_compaction_end' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mm_compaction_end' visibility='default' filepath='include/trace/hooks/mm.h' line='55' column='1' elf-symbol-id='__tracepoint_android_vh_mm_compaction_end'/>
+      <var-decl name='__tracepoint_android_vh_mmc_blk_mq_rw_recovery' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mmc_blk_mq_rw_recovery' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_mmc_blk_mq_rw_recovery'/>
+      <var-decl name='__tracepoint_android_vh_mmc_blk_reset' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mmc_blk_reset' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_mmc_blk_reset'/>
+      <var-decl name='__tracepoint_android_vh_mutex_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mutex_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_mutex_wait_finish'/>
+      <var-decl name='__tracepoint_android_vh_mutex_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mutex_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_mutex_wait_start'/>
+      <var-decl name='__tracepoint_android_vh_of_i2c_get_board_info' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_of_i2c_get_board_info' visibility='default' filepath='include/trace/hooks/i2c.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_of_i2c_get_board_info'/>
+      <var-decl name='__tracepoint_android_vh_pagecache_get_page' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_pagecache_get_page' visibility='default' filepath='include/trace/hooks/mm.h' line='67' column='1' elf-symbol-id='__tracepoint_android_vh_pagecache_get_page'/>
+      <var-decl name='__tracepoint_android_vh_pagevec_drain' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_pagevec_drain' visibility='default' filepath='include/trace/hooks/mm.h' line='64' column='1' elf-symbol-id='__tracepoint_android_vh_pagevec_drain'/>
+      <var-decl name='__tracepoint_android_vh_pin_user_pages' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_pin_user_pages' visibility='default' filepath='include/trace/hooks/gup.h' line='28' column='1' elf-symbol-id='__tracepoint_android_vh_pin_user_pages'/>
+      <var-decl name='__tracepoint_android_vh_ptype_head' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ptype_head' visibility='default' filepath='include/trace/hooks/net.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_ptype_head'/>
+      <var-decl name='__tracepoint_android_vh_rebuild_root_domains_bypass' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rebuild_root_domains_bypass' visibility='default' filepath='include/trace/hooks/sched.h' line='417' column='1' elf-symbol-id='__tracepoint_android_vh_rebuild_root_domains_bypass'/>
+      <var-decl name='__tracepoint_android_vh_reclaim_pages_plug' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_reclaim_pages_plug' visibility='default' filepath='include/trace/hooks/mm.h' line='112' column='1' elf-symbol-id='__tracepoint_android_vh_reclaim_pages_plug'/>
+      <var-decl name='__tracepoint_android_vh_resume_end' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_resume_end' visibility='default' filepath='include/trace/hooks/suspend.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_resume_end'/>
+      <var-decl name='__tracepoint_android_vh_rmqueue' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rmqueue' visibility='default' filepath='include/trace/hooks/mm.h' line='58' column='1' elf-symbol-id='__tracepoint_android_vh_rmqueue'/>
+      <var-decl name='__tracepoint_android_vh_rtmutex_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rtmutex_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='28' column='1' elf-symbol-id='__tracepoint_android_vh_rtmutex_wait_finish'/>
+      <var-decl name='__tracepoint_android_vh_rtmutex_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rtmutex_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='25' column='1' elf-symbol-id='__tracepoint_android_vh_rtmutex_wait_start'/>
+      <var-decl name='__tracepoint_android_vh_rwsem_read_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_read_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='35' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_read_wait_finish'/>
+      <var-decl name='__tracepoint_android_vh_rwsem_read_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_read_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='32' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_read_wait_start'/>
+      <var-decl name='__tracepoint_android_vh_rwsem_write_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_write_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='41' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_write_wait_finish'/>
+      <var-decl name='__tracepoint_android_vh_rwsem_write_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_write_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='38' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_write_wait_start'/>
+      <var-decl name='__tracepoint_android_vh_sched_setaffinity_early' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sched_setaffinity_early' visibility='default' filepath='include/trace/hooks/sched.h' line='297' column='1' elf-symbol-id='__tracepoint_android_vh_sched_setaffinity_early'/>
+      <var-decl name='__tracepoint_android_vh_sched_show_task' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sched_show_task' visibility='default' filepath='include/trace/hooks/dtask.h' line='45' column='1' elf-symbol-id='__tracepoint_android_vh_sched_show_task'/>
+      <var-decl name='__tracepoint_android_vh_scheduler_tick' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_scheduler_tick' visibility='default' filepath='include/trace/hooks/sched.h' line='38' column='1' elf-symbol-id='__tracepoint_android_vh_scheduler_tick'/>
+      <var-decl name='__tracepoint_android_vh_setscheduler_uclamp' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_setscheduler_uclamp' visibility='default' filepath='include/trace/hooks/sched.h' line='377' column='1' elf-symbol-id='__tracepoint_android_vh_setscheduler_uclamp'/>
+      <var-decl name='__tracepoint_android_vh_sha256' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sha256' visibility='default' filepath='include/trace/hooks/fips140.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_sha256'/>
+      <var-decl name='__tracepoint_android_vh_show_max_freq' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_show_max_freq' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_show_max_freq'/>
+      <var-decl name='__tracepoint_android_vh_show_mem' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_show_mem' visibility='default' filepath='include/trace/hooks/mm.h' line='94' column='1' elf-symbol-id='__tracepoint_android_vh_show_mem'/>
+      <var-decl name='__tracepoint_android_vh_shrink_inactive_list_blk_plug' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_shrink_inactive_list_blk_plug' visibility='default' filepath='include/trace/hooks/mm.h' line='106' column='1' elf-symbol-id='__tracepoint_android_vh_shrink_inactive_list_blk_plug'/>
+      <var-decl name='__tracepoint_android_vh_shrink_lruvec_blk_plug' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_shrink_lruvec_blk_plug' visibility='default' filepath='include/trace/hooks/mm.h' line='109' column='1' elf-symbol-id='__tracepoint_android_vh_shrink_lruvec_blk_plug'/>
+      <var-decl name='__tracepoint_android_vh_skip_lru_disable' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_skip_lru_disable' visibility='default' filepath='include/trace/hooks/mm.h' line='124' column='1' elf-symbol-id='__tracepoint_android_vh_skip_lru_disable'/>
+      <var-decl name='__tracepoint_android_vh_snd_compr_use_pause_in_drain' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_snd_compr_use_pause_in_drain' visibility='default' filepath='include/trace/hooks/snd_compr.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_snd_compr_use_pause_in_drain'/>
+      <var-decl name='__tracepoint_android_vh_sound_usb_support_cpu_suspend' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sound_usb_support_cpu_suspend' visibility='default' filepath='include/trace/hooks/sound.h' line='11' column='1' elf-symbol-id='__tracepoint_android_vh_sound_usb_support_cpu_suspend'/>
+      <var-decl name='__tracepoint_android_vh_sysrq_crash' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sysrq_crash' visibility='default' filepath='include/trace/hooks/sysrqcrash.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_sysrq_crash'/>
+      <var-decl name='__tracepoint_android_vh_thermal_pm_notify_suspend' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_thermal_pm_notify_suspend' visibility='default' filepath='include/trace/hooks/thermal.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_thermal_pm_notify_suspend'/>
+      <var-decl name='__tracepoint_android_vh_timerfd_create' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_timerfd_create' visibility='default' filepath='include/trace/hooks/fs.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_timerfd_create'/>
+      <var-decl name='__tracepoint_android_vh_try_grab_compound_head' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_try_grab_compound_head' visibility='default' filepath='include/trace/hooks/gup.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_try_grab_compound_head'/>
+      <var-decl name='__tracepoint_android_vh_try_to_freeze_todo' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_try_to_freeze_todo' visibility='default' filepath='include/trace/hooks/power.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_try_to_freeze_todo'/>
+      <var-decl name='__tracepoint_android_vh_try_to_freeze_todo_logging' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_try_to_freeze_todo_logging' visibility='default' filepath='include/trace/hooks/power.h' line='25' column='1' elf-symbol-id='__tracepoint_android_vh_try_to_freeze_todo_logging'/>
+      <var-decl name='__tracepoint_android_vh_try_to_freeze_todo_unfrozen' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_try_to_freeze_todo_unfrozen' visibility='default' filepath='include/trace/hooks/power.h' line='29' column='1' elf-symbol-id='__tracepoint_android_vh_try_to_freeze_todo_unfrozen'/>
+      <var-decl name='__tracepoint_android_vh_typec_store_partner_src_caps' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_store_partner_src_caps' visibility='default' filepath='include/trace/hooks/typec.h' line='51' column='1' elf-symbol-id='__tracepoint_android_vh_typec_store_partner_src_caps'/>
+      <var-decl name='__tracepoint_android_vh_typec_tcpci_override_toggling' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpci_override_toggling' visibility='default' filepath='include/trace/hooks/typec.h' line='28' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpci_override_toggling'/>
+      <var-decl name='__tracepoint_android_vh_typec_tcpm_get_timer' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpm_get_timer' visibility='default' filepath='include/trace/hooks/typec.h' line='47' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpm_get_timer'/>
+      <var-decl name='__tracepoint_android_vh_typec_tcpm_log' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpm_log' visibility='default' filepath='include/trace/hooks/typec.h' line='61' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpm_log'/>
+      <var-decl name='__tracepoint_android_vh_typec_tcpm_modify_src_caps' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpm_modify_src_caps' visibility='default' filepath='include/trace/hooks/typec.h' line='65' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpm_modify_src_caps'/>
+      <var-decl name='__tracepoint_android_vh_uclamp_validate' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_uclamp_validate' visibility='default' filepath='include/trace/hooks/sched.h' line='352' column='1' elf-symbol-id='__tracepoint_android_vh_uclamp_validate'/>
+      <var-decl name='__tracepoint_android_vh_ufs_check_int_errors' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_check_int_errors' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='57' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_check_int_errors'/>
+      <var-decl name='__tracepoint_android_vh_ufs_compl_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_compl_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='44' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_compl_command'/>
+      <var-decl name='__tracepoint_android_vh_ufs_fill_prdt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_fill_prdt' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_fill_prdt'/>
+      <var-decl name='__tracepoint_android_vh_ufs_prepare_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_prepare_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='31' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_prepare_command'/>
+      <var-decl name='__tracepoint_android_vh_ufs_send_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_send_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='40' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_send_command'/>
+      <var-decl name='__tracepoint_android_vh_ufs_send_tm_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_send_tm_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='53' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_send_tm_command'/>
+      <var-decl name='__tracepoint_android_vh_ufs_send_uic_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_send_uic_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='48' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_send_uic_command'/>
+      <var-decl name='__tracepoint_android_vh_ufs_update_sdev' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_update_sdev' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='61' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_update_sdev'/>
+      <var-decl name='__tracepoint_android_vh_ufs_update_sysfs' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_update_sysfs' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='36' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_update_sysfs'/>
+      <var-decl name='__tracepoint_android_vh_usb_dev_resume' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_usb_dev_resume' visibility='default' filepath='include/trace/hooks/usb.h' line='25' column='1' elf-symbol-id='__tracepoint_android_vh_usb_dev_resume'/>
+      <var-decl name='__tracepoint_android_vh_usb_dev_suspend' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_usb_dev_suspend' visibility='default' filepath='include/trace/hooks/usb.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_usb_dev_suspend'/>
+      <var-decl name='__tracepoint_android_vh_watchdog_timer_softlockup' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_watchdog_timer_softlockup' visibility='default' filepath='include/trace/hooks/softlockup.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_watchdog_timer_softlockup'/>
+      <var-decl name='__tracepoint_android_vh_wq_lockup_pool' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_wq_lockup_pool' visibility='default' filepath='include/trace/hooks/wqlockup.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_wq_lockup_pool'/>
+      <var-decl name='__tracepoint_android_vh_zap_pte_range_tlb_end' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_zap_pte_range_tlb_end' visibility='default' filepath='include/trace/hooks/mm.h' line='121' column='1' elf-symbol-id='__tracepoint_android_vh_zap_pte_range_tlb_end'/>
+      <var-decl name='__tracepoint_android_vh_zap_pte_range_tlb_force_flush' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_zap_pte_range_tlb_force_flush' visibility='default' filepath='include/trace/hooks/mm.h' line='118' column='1' elf-symbol-id='__tracepoint_android_vh_zap_pte_range_tlb_force_flush'/>
+      <var-decl name='__tracepoint_android_vh_zap_pte_range_tlb_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_zap_pte_range_tlb_start' visibility='default' filepath='include/trace/hooks/mm.h' line='115' column='1' elf-symbol-id='__tracepoint_android_vh_zap_pte_range_tlb_start'/>
+      <var-decl name='__tracepoint_binder_transaction_received' type-id='4ca0c298' mangled-name='__tracepoint_binder_transaction_received' visibility='default' filepath='drivers/android/./binder_trace.h' line='150' column='1' elf-symbol-id='__tracepoint_binder_transaction_received'/>
+      <var-decl name='__tracepoint_clock_set_rate' type-id='4ca0c298' mangled-name='__tracepoint_clock_set_rate' visibility='default' filepath='include/trace/events/power.h' line='344' column='1' elf-symbol-id='__tracepoint_clock_set_rate'/>
+      <var-decl name='__tracepoint_cpu_frequency' type-id='4ca0c298' mangled-name='__tracepoint_cpu_frequency' visibility='default' filepath='include/trace/events/power.h' line='167' column='1' elf-symbol-id='__tracepoint_cpu_frequency'/>
+      <var-decl name='__tracepoint_device_pm_callback_end' type-id='4ca0c298' mangled-name='__tracepoint_device_pm_callback_end' visibility='default' filepath='include/trace/events/power.h' line='226' column='1' elf-symbol-id='__tracepoint_device_pm_callback_end'/>
+      <var-decl name='__tracepoint_device_pm_callback_start' type-id='4ca0c298' mangled-name='__tracepoint_device_pm_callback_start' visibility='default' filepath='include/trace/events/power.h' line='198' column='1' elf-symbol-id='__tracepoint_device_pm_callback_start'/>
+      <var-decl name='__tracepoint_dma_fence_emit' type-id='4ca0c298' mangled-name='__tracepoint_dma_fence_emit' visibility='default' filepath='include/trace/events/dma_fence.h' line='37' column='1' elf-symbol-id='__tracepoint_dma_fence_emit'/>
+      <var-decl name='__tracepoint_dwc3_ep_queue' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_ep_queue' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1' elf-symbol-id='__tracepoint_dwc3_ep_queue'/>
+      <var-decl name='__tracepoint_dwc3_readl' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_readl' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1' elf-symbol-id='__tracepoint_dwc3_readl'/>
+      <var-decl name='__tracepoint_dwc3_writel' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_writel' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1' elf-symbol-id='__tracepoint_dwc3_writel'/>
+      <var-decl name='__tracepoint_gpu_mem_total' type-id='4ca0c298' mangled-name='__tracepoint_gpu_mem_total' visibility='default' filepath='include/trace/events/gpu_mem.h' line='30' column='1' elf-symbol-id='__tracepoint_gpu_mem_total'/>
+      <var-decl name='__tracepoint_hrtimer_expire_entry' type-id='4ca0c298' mangled-name='__tracepoint_hrtimer_expire_entry' visibility='default' filepath='include/trace/events/timer.h' line='236' column='1' elf-symbol-id='__tracepoint_hrtimer_expire_entry'/>
+      <var-decl name='__tracepoint_hrtimer_expire_exit' type-id='4ca0c298' mangled-name='__tracepoint_hrtimer_expire_exit' visibility='default' filepath='include/trace/events/timer.h' line='283' column='1' elf-symbol-id='__tracepoint_hrtimer_expire_exit'/>
+      <var-decl name='__tracepoint_ipi_entry' type-id='4ca0c298' mangled-name='__tracepoint_ipi_entry' visibility='default' filepath='include/trace/events/ipi.h' line='64' column='1' elf-symbol-id='__tracepoint_ipi_entry'/>
+      <var-decl name='__tracepoint_ipi_exit' type-id='4ca0c298' mangled-name='__tracepoint_ipi_exit' visibility='default' filepath='include/trace/events/ipi.h' line='80' column='1' elf-symbol-id='__tracepoint_ipi_exit'/>
+      <var-decl name='__tracepoint_ipi_raise' type-id='4ca0c298' mangled-name='__tracepoint_ipi_raise' visibility='default' filepath='include/trace/events/ipi.h' line='19' column='1' elf-symbol-id='__tracepoint_ipi_raise'/>
+      <var-decl name='__tracepoint_irq_handler_entry' type-id='4ca0c298' mangled-name='__tracepoint_irq_handler_entry' visibility='default' filepath='include/trace/events/irq.h' line='53' column='1' elf-symbol-id='__tracepoint_irq_handler_entry'/>
+      <var-decl name='__tracepoint_irq_handler_exit' type-id='4ca0c298' mangled-name='__tracepoint_irq_handler_exit' visibility='default' filepath='include/trace/events/irq.h' line='83' column='1' elf-symbol-id='__tracepoint_irq_handler_exit'/>
+      <var-decl name='__tracepoint_kfree_skb' type-id='4ca0c298' mangled-name='__tracepoint_kfree_skb' visibility='default' filepath='include/trace/events/skb.h' line='15' column='1' elf-symbol-id='__tracepoint_kfree_skb'/>
+      <var-decl name='__tracepoint_mm_vmscan_direct_reclaim_begin' type-id='4ca0c298' mangled-name='__tracepoint_mm_vmscan_direct_reclaim_begin' visibility='default' filepath='include/trace/events/vmscan.h' line='122' column='1' elf-symbol-id='__tracepoint_mm_vmscan_direct_reclaim_begin'/>
+      <var-decl name='__tracepoint_mm_vmscan_direct_reclaim_end' type-id='4ca0c298' mangled-name='__tracepoint_mm_vmscan_direct_reclaim_end' visibility='default' filepath='include/trace/events/vmscan.h' line='162' column='1' elf-symbol-id='__tracepoint_mm_vmscan_direct_reclaim_end'/>
+      <var-decl name='__tracepoint_pelt_cfs_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_cfs_tp' visibility='default' filepath='include/trace/events/sched.h' line='636' column='1' elf-symbol-id='__tracepoint_pelt_cfs_tp'/>
+      <var-decl name='__tracepoint_pelt_dl_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_dl_tp' visibility='default' filepath='include/trace/events/sched.h' line='644' column='1' elf-symbol-id='__tracepoint_pelt_dl_tp'/>
+      <var-decl name='__tracepoint_pelt_irq_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_irq_tp' visibility='default' filepath='include/trace/events/sched.h' line='652' column='1' elf-symbol-id='__tracepoint_pelt_irq_tp'/>
+      <var-decl name='__tracepoint_pelt_rt_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_rt_tp' visibility='default' filepath='include/trace/events/sched.h' line='640' column='1' elf-symbol-id='__tracepoint_pelt_rt_tp'/>
+      <var-decl name='__tracepoint_pelt_se_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_se_tp' visibility='default' filepath='include/trace/events/sched.h' line='656' column='1' elf-symbol-id='__tracepoint_pelt_se_tp'/>
+      <var-decl name='__tracepoint_rwmmio_post_read' type-id='4ca0c298' mangled-name='__tracepoint_rwmmio_post_read' visibility='default' filepath='include/trace/events/rwmmio.h' line='59' column='1' elf-symbol-id='__tracepoint_rwmmio_post_read'/>
+      <var-decl name='__tracepoint_rwmmio_read' type-id='4ca0c298' mangled-name='__tracepoint_rwmmio_read' visibility='default' filepath='include/trace/events/rwmmio.h' line='37' column='1' elf-symbol-id='__tracepoint_rwmmio_read'/>
+      <var-decl name='__tracepoint_rwmmio_write' type-id='4ca0c298' mangled-name='__tracepoint_rwmmio_write' visibility='default' filepath='include/trace/events/rwmmio.h' line='13' column='1' elf-symbol-id='__tracepoint_rwmmio_write'/>
+      <var-decl name='__tracepoint_sched_cpu_capacity_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_cpu_capacity_tp' visibility='default' filepath='include/trace/events/sched.h' line='660' column='1' elf-symbol-id='__tracepoint_sched_cpu_capacity_tp'/>
+      <var-decl name='__tracepoint_sched_overutilized_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_overutilized_tp' visibility='default' filepath='include/trace/events/sched.h' line='664' column='1' elf-symbol-id='__tracepoint_sched_overutilized_tp'/>
+      <var-decl name='__tracepoint_sched_switch' type-id='4ca0c298' mangled-name='__tracepoint_sched_switch' visibility='default' filepath='include/trace/events/sched.h' line='138' column='1' elf-symbol-id='__tracepoint_sched_switch'/>
+      <var-decl name='__tracepoint_sched_util_est_cfs_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_util_est_cfs_tp' visibility='default' filepath='include/trace/events/sched.h' line='668' column='1' elf-symbol-id='__tracepoint_sched_util_est_cfs_tp'/>
+      <var-decl name='__tracepoint_sched_util_est_se_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_util_est_se_tp' visibility='default' filepath='include/trace/events/sched.h' line='672' column='1' elf-symbol-id='__tracepoint_sched_util_est_se_tp'/>
+      <var-decl name='__tracepoint_sched_wakeup' type-id='4ca0c298' mangled-name='__tracepoint_sched_wakeup' visibility='default' filepath='include/trace/events/sched.h' line='96' column='1' elf-symbol-id='__tracepoint_sched_wakeup'/>
+      <var-decl name='__tracepoint_softirq_entry' type-id='4ca0c298' mangled-name='__tracepoint_softirq_entry' visibility='default' filepath='include/trace/events/irq.h' line='128' column='1' elf-symbol-id='__tracepoint_softirq_entry'/>
+      <var-decl name='__tracepoint_softirq_exit' type-id='4ca0c298' mangled-name='__tracepoint_softirq_exit' visibility='default' filepath='include/trace/events/irq.h' line='142' column='1' elf-symbol-id='__tracepoint_softirq_exit'/>
+      <var-decl name='__tracepoint_suspend_resume' type-id='4ca0c298' mangled-name='__tracepoint_suspend_resume' visibility='default' filepath='include/trace/events/power.h' line='248' column='1' elf-symbol-id='__tracepoint_suspend_resume'/>
+      <var-decl name='__tracepoint_workqueue_execute_end' type-id='4ca0c298' mangled-name='__tracepoint_workqueue_execute_end' visibility='default' filepath='include/trace/events/workqueue.h' line='108' column='1' elf-symbol-id='__tracepoint_workqueue_execute_end'/>
+      <var-decl name='__tracepoint_workqueue_execute_start' type-id='4ca0c298' mangled-name='__tracepoint_workqueue_execute_start' visibility='default' filepath='include/trace/events/workqueue.h' line='82' column='1' elf-symbol-id='__tracepoint_workqueue_execute_start'/>
+      <var-decl name='__tracepoint_xdp_exception' type-id='4ca0c298' mangled-name='__tracepoint_xdp_exception' visibility='default' filepath='include/trace/events/xdp.h' line='28' column='1' elf-symbol-id='__tracepoint_xdp_exception'/>
+      <function-decl name='__tty_alloc_driver' mangled-name='__tty_alloc_driver' filepath='drivers/tty/tty_io.c' line='3302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tty_alloc_driver'>
+        <parameter type-id='f0981eeb' name='lines' filepath='drivers/tty/tty_io.c' line='3302' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/tty/tty_io.c' line='3302' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/tty/tty_io.c' line='3303' column='1'/>
+        <return type-id='c2b4b27b'/>
+      </function-decl>
+      <function-decl name='__tty_insert_flip_char' mangled-name='__tty_insert_flip_char' filepath='drivers/tty/tty_buffer.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tty_insert_flip_char'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_buffer.c' line='380' column='1'/>
+        <parameter type-id='002ac4a6' name='ch' filepath='drivers/tty/tty_buffer.c' line='380' column='1'/>
+        <parameter type-id='a84c031d' name='flag' filepath='drivers/tty/tty_buffer.c' line='380' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__typec_altmode_register_driver' mangled-name='__typec_altmode_register_driver' filepath='drivers/usb/typec/bus.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__typec_altmode_register_driver'>
+        <parameter type-id='e1932af2' name='drv' filepath='drivers/usb/typec/bus.c' line='252' column='1'/>
+        <parameter type-id='2730d015' name='module' filepath='drivers/usb/typec/bus.c' line='253' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__ubsan_handle_cfi_check_fail_abort' mangled-name='__ubsan_handle_cfi_check_fail_abort' filepath='kernel/cfi.c' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ubsan_handle_cfi_check_fail_abort'>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/cfi.c' line='343' column='1'/>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='kernel/cfi.c' line='343' column='1'/>
+        <parameter type-id='eaa32e2f' name='vtable' filepath='kernel/cfi.c' line='343' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__udelay' mangled-name='__udelay' filepath='arch/arm64/lib/delay.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__udelay'>
+        <parameter type-id='7359adad' name='usecs' filepath='arch/arm64/lib/delay.c' line='49' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__uio_register_device' mangled-name='__uio_register_device' filepath='drivers/uio/uio.c' line='916' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__uio_register_device'>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/uio/uio.c' line='916' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/uio/uio.c' line='917' column='1'/>
+        <parameter type-id='fb1092f1' name='info' filepath='drivers/uio/uio.c' line='918' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__unregister_chrdev' mangled-name='__unregister_chrdev' filepath='fs/char_dev.c' line='335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__unregister_chrdev'>
+        <parameter type-id='f0981eeb' name='major' filepath='fs/char_dev.c' line='335' column='1'/>
+        <parameter type-id='f0981eeb' name='baseminor' filepath='fs/char_dev.c' line='335' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='336' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='336' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__update_load_avg_blocked_se' mangled-name='__update_load_avg_blocked_se' filepath='kernel/sched/pelt.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__update_load_avg_blocked_se'>
+        <parameter type-id='91ce1af9' name='now' filepath='kernel/sched/pelt.c' line='336' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='kernel/sched/pelt.c' line='336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__usb_create_hcd' mangled-name='__usb_create_hcd' filepath='drivers/usb/core/hcd.c' line='2441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__usb_create_hcd'>
+        <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd.c' line='2441' column='1'/>
+        <parameter type-id='fa0b179b' name='sysdev' filepath='drivers/usb/core/hcd.c' line='2442' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/core/hcd.c' line='2442' column='1'/>
+        <parameter type-id='80f4b756' name='bus_name' filepath='drivers/usb/core/hcd.c' line='2442' column='1'/>
+        <parameter type-id='fc4f83c1' name='primary_hcd' filepath='drivers/usb/core/hcd.c' line='2443' column='1'/>
+        <return type-id='fc4f83c1'/>
+      </function-decl>
+      <function-decl name='__usecs_to_jiffies' mangled-name='__usecs_to_jiffies' filepath='kernel/time/time.c' line='563' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__usecs_to_jiffies'>
+        <parameter type-id='20f5f452' name='u' filepath='kernel/time/time.c' line='563' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='__v4l2_ctrl_grab' mangled-name='__v4l2_ctrl_grab' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_grab'>
+        <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3184' column='1'/>
+        <parameter type-id='b50a4934' name='grabbed' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3184' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__v4l2_ctrl_handler_setup' mangled-name='__v4l2_ctrl_handler_setup' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_handler_setup'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3261' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__v4l2_ctrl_modify_range' mangled-name='__v4l2_ctrl_modify_range' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_modify_range'>
+        <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4656' column='1'/>
+        <parameter type-id='9b7c55ef' name='min' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+        <parameter type-id='9b7c55ef' name='max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+        <parameter type-id='91ce1af9' name='step' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+        <parameter type-id='9b7c55ef' name='def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__v4l2_ctrl_s_ctrl' mangled-name='__v4l2_ctrl_s_ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_s_ctrl'>
+        <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4433' column='1'/>
+        <parameter type-id='a7832498' name='val' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4433' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__v4l2_ctrl_s_ctrl_int64' mangled-name='__v4l2_ctrl_s_ctrl_int64' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4445' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_s_ctrl_int64'>
+        <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4445' column='1'/>
+        <parameter type-id='9b7c55ef' name='val' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4445' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__v4l2_device_register_subdev_nodes' mangled-name='__v4l2_device_register_subdev_nodes' filepath='drivers/media/v4l2-core/v4l2-device.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_device_register_subdev_nodes'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='189' column='1'/>
+        <parameter type-id='b50a4934' name='read_only' filepath='drivers/media/v4l2-core/v4l2-device.c' line='190' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__video_register_device' mangled-name='__video_register_device' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__video_register_device'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='876' column='1'/>
+        <parameter type-id='24df61b5' name='type' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='877' column='1'/>
+        <parameter type-id='95e97e5e' name='nr' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='878' column='1'/>
+        <parameter type-id='95e97e5e' name='warn_if_nr_in_use' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='878' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='879' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__vlan_find_dev_deep_rcu' mangled-name='__vlan_find_dev_deep_rcu' filepath='net/8021q/vlan_core.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__vlan_find_dev_deep_rcu'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/8021q/vlan_core.c' line='75' column='1'/>
+        <parameter type-id='84a5c3d4' name='vlan_proto' filepath='net/8021q/vlan_core.c' line='76' column='1'/>
+        <parameter type-id='1dc6a898' name='vlan_id' filepath='net/8021q/vlan_core.c' line='76' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='__vmalloc' mangled-name='__vmalloc' filepath='mm/vmalloc.c' line='2694' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__vmalloc'>
+        <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2694' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/vmalloc.c' line='2694' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='__wake_up' mangled-name='__wake_up' filepath='kernel/sched/wait.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wake_up'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='140' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='140' column='1'/>
+        <parameter type-id='95e97e5e' name='nr_exclusive' filepath='kernel/sched/wait.c' line='141' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='141' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__wake_up_locked' mangled-name='__wake_up_locked' filepath='kernel/sched/wait.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wake_up_locked'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='150' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='150' column='1'/>
+        <parameter type-id='95e97e5e' name='nr' filepath='kernel/sched/wait.c' line='150' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__wake_up_locked_key' mangled-name='__wake_up_locked_key' filepath='kernel/sched/wait.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wake_up_locked_key'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='156' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='156' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='156' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__wake_up_sync' mangled-name='__wake_up_sync' filepath='kernel/sched/wait.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wake_up_sync'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='224' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='224' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__warn_printk' mangled-name='__warn_printk' filepath='kernel/panic.c' line='708' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__warn_printk'>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/panic.c' line='708' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='__xa_alloc' mangled-name='__xa_alloc' filepath='lib/xarray.c' line='1808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__xa_alloc'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1808' column='1'/>
+        <parameter type-id='f9409001' name='id' filepath='lib/xarray.c' line='1808' column='1'/>
+        <parameter type-id='eaa32e2f' name='entry' filepath='lib/xarray.c' line='1808' column='1'/>
+        <parameter type-id='5066733a' name='limit' filepath='lib/xarray.c' line='1809' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/xarray.c' line='1809' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__xa_insert' mangled-name='__xa_insert' filepath='lib/xarray.c' line='1639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__xa_insert'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1639' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1639' column='1'/>
+        <parameter type-id='eaa32e2f' name='entry' filepath='lib/xarray.c' line='1639' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/xarray.c' line='1639' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='__xfrm_state_destroy' mangled-name='__xfrm_state_destroy' filepath='net/xfrm/xfrm_state.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__xfrm_state_destroy'>
+        <parameter type-id='328dda6e' name='x' filepath='net/xfrm/xfrm_state.c' line='640' column='1'/>
+        <parameter type-id='b50a4934' name='sync' filepath='net/xfrm/xfrm_state.c' line='640' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_bcd2bin' mangled-name='_bcd2bin' filepath='lib/bcd.c' line='5' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_bcd2bin'>
+        <parameter type-id='002ac4a6' name='val' filepath='lib/bcd.c' line='5' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='_bin2bcd' mangled-name='_bin2bcd' filepath='lib/bcd.c' line='11' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_bin2bcd'>
+        <parameter type-id='f0981eeb' name='val' filepath='lib/bcd.c' line='11' column='1'/>
+        <return type-id='002ac4a6'/>
+      </function-decl>
+      <function-decl name='_copy_from_iter' mangled-name='_copy_from_iter' filepath='lib/iov_iter.c' line='753' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_copy_from_iter'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='lib/iov_iter.c' line='753' column='1'/>
+        <parameter type-id='b59d7dce' name='bytes' filepath='lib/iov_iter.c' line='753' column='1'/>
+        <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='753' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='_copy_from_iter_full' mangled-name='_copy_from_iter_full' filepath='lib/iov_iter.c' line='773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_copy_from_iter_full'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='lib/iov_iter.c' line='773' column='1'/>
+        <parameter type-id='b59d7dce' name='bytes' filepath='lib/iov_iter.c' line='773' column='1'/>
+        <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='773' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='_copy_to_iter' mangled-name='_copy_to_iter' filepath='lib/iov_iter.c' line='618' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_copy_to_iter'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='lib/iov_iter.c' line='618' column='1'/>
+        <parameter type-id='b59d7dce' name='bytes' filepath='lib/iov_iter.c' line='618' column='1'/>
+        <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='618' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='_dev_alert' mangled-name='_dev_alert' filepath='drivers/base/core.c' line='4511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_alert'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4511' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4511' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_dev_crit' mangled-name='_dev_crit' filepath='drivers/base/core.c' line='4512' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_crit'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4512' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4512' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_dev_emerg' mangled-name='_dev_emerg' filepath='drivers/base/core.c' line='4510' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_emerg'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4510' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4510' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_dev_err' mangled-name='_dev_err' filepath='drivers/base/core.c' line='4513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_err'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4513' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4513' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_dev_info' mangled-name='_dev_info' filepath='drivers/base/core.c' line='4516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_info'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4516' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4516' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_dev_notice' mangled-name='_dev_notice' filepath='drivers/base/core.c' line='4515' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_notice'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4515' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4515' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_dev_warn' mangled-name='_dev_warn' filepath='drivers/base/core.c' line='4514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_warn'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4514' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4514' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_read_lock' mangled-name='_raw_read_lock' filepath='kernel/locking/spinlock.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='221' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_read_lock_bh' mangled-name='_raw_read_lock_bh' filepath='kernel/locking/spinlock.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock_bh'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='245' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_read_lock_irq' mangled-name='_raw_read_lock_irq' filepath='kernel/locking/spinlock.c' line='237' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock_irq'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='237' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_read_lock_irqsave' mangled-name='_raw_read_lock_irqsave' filepath='kernel/locking/spinlock.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock_irqsave'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='229' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='_raw_read_unlock' mangled-name='_raw_read_unlock' filepath='kernel/locking/spinlock.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='253' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_read_unlock_bh' mangled-name='_raw_read_unlock_bh' filepath='kernel/locking/spinlock.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock_bh'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='277' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_read_unlock_irq' mangled-name='_raw_read_unlock_irq' filepath='kernel/locking/spinlock.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock_irq'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='269' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_read_unlock_irqrestore' mangled-name='_raw_read_unlock_irqrestore' filepath='kernel/locking/spinlock.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock_irqrestore'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='261' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='kernel/locking/spinlock.c' line='261' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_spin_lock' mangled-name='_raw_spin_lock' filepath='kernel/locking/spinlock.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='149' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_spin_lock_bh' mangled-name='_raw_spin_lock_bh' filepath='kernel/locking/spinlock.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock_bh'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='173' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_spin_lock_irq' mangled-name='_raw_spin_lock_irq' filepath='kernel/locking/spinlock.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock_irq'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='165' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_spin_lock_irqsave' mangled-name='_raw_spin_lock_irqsave' filepath='kernel/locking/spinlock.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock_irqsave'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='157' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='_raw_spin_trylock' mangled-name='_raw_spin_trylock' filepath='kernel/locking/spinlock.c' line='133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_trylock'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='133' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='_raw_spin_unlock' mangled-name='_raw_spin_unlock' filepath='kernel/locking/spinlock.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='181' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_spin_unlock_bh' mangled-name='_raw_spin_unlock_bh' filepath='kernel/locking/spinlock.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock_bh'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='205' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_spin_unlock_irq' mangled-name='_raw_spin_unlock_irq' filepath='kernel/locking/spinlock.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock_irq'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='197' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_spin_unlock_irqrestore' mangled-name='_raw_spin_unlock_irqrestore' filepath='kernel/locking/spinlock.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock_irqrestore'>
+        <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='189' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='kernel/locking/spinlock.c' line='189' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_write_lock' mangled-name='_raw_write_lock' filepath='kernel/locking/spinlock.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='293' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_write_lock_bh' mangled-name='_raw_write_lock_bh' filepath='kernel/locking/spinlock.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock_bh'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='317' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_write_lock_irq' mangled-name='_raw_write_lock_irq' filepath='kernel/locking/spinlock.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock_irq'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='309' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_write_lock_irqsave' mangled-name='_raw_write_lock_irqsave' filepath='kernel/locking/spinlock.c' line='301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock_irqsave'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='301' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='_raw_write_trylock' mangled-name='_raw_write_trylock' filepath='kernel/locking/spinlock.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_trylock'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='285' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='_raw_write_unlock' mangled-name='_raw_write_unlock' filepath='kernel/locking/spinlock.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='325' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_write_unlock_bh' mangled-name='_raw_write_unlock_bh' filepath='kernel/locking/spinlock.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock_bh'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='349' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_write_unlock_irq' mangled-name='_raw_write_unlock_irq' filepath='kernel/locking/spinlock.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock_irq'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='341' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_raw_write_unlock_irqrestore' mangled-name='_raw_write_unlock_irqrestore' filepath='kernel/locking/spinlock.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock_irqrestore'>
+        <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='333' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='kernel/locking/spinlock.c' line='333' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='_snd_ctl_add_follower' mangled-name='_snd_ctl_add_follower' filepath='sound/core/vmaster.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_snd_ctl_add_follower'>
+        <parameter type-id='7a5054b7' name='master' filepath='sound/core/vmaster.c' line='252' column='1'/>
+        <parameter type-id='7a5054b7' name='follower' filepath='sound/core/vmaster.c' line='253' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='sound/core/vmaster.c' line='254' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='_snd_pcm_stream_lock_irqsave' mangled-name='_snd_pcm_stream_lock_irqsave' filepath='sound/core/pcm_native.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_snd_pcm_stream_lock_irqsave'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='164' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <var-decl name='_totalram_pages' type-id='f22a8abb' mangled-name='_totalram_pages' visibility='default' filepath='mm/page_alloc.c' line='194' column='1' elf-symbol-id='_totalram_pages'/>
+      <function-decl name='_vb2_fop_release' mangled-name='_vb2_fop_release' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_vb2_fop_release'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1109' column='1'/>
+        <parameter type-id='e0ea832a' name='lock' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1109' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='activate_task' mangled-name='activate_task' filepath='kernel/sched/core.c' line='1695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='activate_task'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='1695' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1695' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='kernel/sched/core.c' line='1695' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='add_cpu' mangled-name='add_cpu' filepath='kernel/cpu.c' line='1619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_cpu'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='kernel/cpu.c' line='1619' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='add_device_randomness' mangled-name='add_device_randomness' filepath='drivers/char/random.c' line='861' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_device_randomness'>
+        <parameter type-id='eaa32e2f' name='buf' filepath='drivers/char/random.c' line='861' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='drivers/char/random.c' line='861' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='add_random_ready_callback' mangled-name='add_random_ready_callback' filepath='drivers/char/random.c' line='1553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_random_ready_callback'>
+        <parameter type-id='b47c553a' name='rdy' filepath='drivers/char/random.c' line='1553' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='add_timer' mangled-name='add_timer' filepath='kernel/time/timer.c' line='1147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_timer'>
+        <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1147' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='add_timer_on' mangled-name='add_timer_on' filepath='kernel/time/timer.c' line='1161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_timer_on'>
+        <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1161' column='1'/>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/timer.c' line='1161' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='add_uevent_var' mangled-name='add_uevent_var' filepath='lib/kobject_uevent.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_uevent_var'>
+        <parameter type-id='d9d65b21' name='env' filepath='lib/kobject_uevent.c' line='654' column='1'/>
+        <parameter type-id='80f4b756' name='format' filepath='lib/kobject_uevent.c' line='654' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='add_wait_queue' mangled-name='add_wait_queue' filepath='kernel/sched/wait.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_wait_queue'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='19' column='1'/>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='19' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='adjust_managed_page_count' mangled-name='adjust_managed_page_count' filepath='mm/page_alloc.c' line='8034' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='adjust_managed_page_count'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='8034' column='1'/>
+        <parameter type-id='bd54fe1a' name='count' filepath='mm/page_alloc.c' line='8034' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='aead_register_instance' mangled-name='aead_register_instance' filepath='crypto/aead.c' line='286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='aead_register_instance'>
+        <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/aead.c' line='286' column='1'/>
+        <parameter type-id='69bd57be' name='inst' filepath='crypto/aead.c' line='287' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='aes_encrypt' mangled-name='aes_encrypt' filepath='lib/crypto/aes.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='aes_encrypt'>
+        <parameter type-id='825271e7' name='ctx' filepath='lib/crypto/aes.c' line='266' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='lib/crypto/aes.c' line='266' column='1'/>
+        <parameter type-id='bbaf3419' name='in' filepath='lib/crypto/aes.c' line='266' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='aes_expandkey' mangled-name='aes_expandkey' filepath='lib/crypto/aes.c' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='aes_expandkey'>
+        <parameter type-id='21370cb4' name='ctx' filepath='lib/crypto/aes.c' line='186' column='1'/>
+        <parameter type-id='bbaf3419' name='in_key' filepath='lib/crypto/aes.c' line='186' column='1'/>
+        <parameter type-id='f0981eeb' name='key_len' filepath='lib/crypto/aes.c' line='187' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ahash_register_instance' mangled-name='ahash_register_instance' filepath='crypto/ahash.c' line='632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ahash_register_instance'>
+        <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/ahash.c' line='632' column='1'/>
+        <parameter type-id='4e602d14' name='inst' filepath='crypto/ahash.c' line='633' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='alarm_cancel' mangled-name='alarm_cancel' filepath='kernel/time/alarmtimer.c' line='429' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_cancel'>
+        <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='429' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='alarm_init' mangled-name='alarm_init' filepath='kernel/time/alarmtimer.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_init'>
+        <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='342' column='1'/>
+        <parameter type-id='6b8d4b77' name='type' filepath='kernel/time/alarmtimer.c' line='342' column='1'/>
+        <parameter type-id='7432d5be' name='function' filepath='kernel/time/alarmtimer.c' line='343' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='alarm_start' mangled-name='alarm_start' filepath='kernel/time/alarmtimer.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_start'>
+        <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='356' column='1'/>
+        <parameter type-id='fbc017ef' name='start' filepath='kernel/time/alarmtimer.c' line='356' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='alarm_start_relative' mangled-name='alarm_start_relative' filepath='kernel/time/alarmtimer.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_start_relative'>
+        <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='376' column='1'/>
+        <parameter type-id='fbc017ef' name='start' filepath='kernel/time/alarmtimer.c' line='376' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='alarm_try_to_cancel' mangled-name='alarm_try_to_cancel' filepath='kernel/time/alarmtimer.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_try_to_cancel'>
+        <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='405' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='alarmtimer_get_rtcdev' mangled-name='alarmtimer_get_rtcdev' filepath='kernel/time/alarmtimer.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarmtimer_get_rtcdev'>
+        <return type-id='5992ae83'/>
+      </function-decl>
+      <function-decl name='alloc_anon_inode' mangled-name='alloc_anon_inode' filepath='fs/libfs.c' line='1233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_anon_inode'>
+        <parameter type-id='42c8f564' name='s' filepath='fs/libfs.c' line='1233' column='1'/>
+        <return type-id='7e666abe'/>
+      </function-decl>
+      <function-decl name='alloc_can_err_skb' mangled-name='alloc_can_err_skb' filepath='drivers/net/can/dev/dev.c' line='733' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_can_err_skb'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='733' column='1'/>
+        <parameter type-id='fb0c6b9f' name='cf' filepath='drivers/net/can/dev/dev.c' line='733' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='alloc_can_skb' mangled-name='alloc_can_skb' filepath='drivers/net/can/dev/dev.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_can_skb'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='678' column='1'/>
+        <parameter type-id='fb0c6b9f' name='cf' filepath='drivers/net/can/dev/dev.c' line='678' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='alloc_candev_mqs' mangled-name='alloc_candev_mqs' filepath='drivers/net/can/dev/dev.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_candev_mqs'>
+        <parameter type-id='95e97e5e' name='sizeof_priv' filepath='drivers/net/can/dev/dev.c' line='749' column='1'/>
+        <parameter type-id='f0981eeb' name='echo_skb_max' filepath='drivers/net/can/dev/dev.c' line='749' column='1'/>
+        <parameter type-id='f0981eeb' name='txqs' filepath='drivers/net/can/dev/dev.c' line='750' column='1'/>
+        <parameter type-id='f0981eeb' name='rxqs' filepath='drivers/net/can/dev/dev.c' line='750' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='alloc_chrdev_region' mangled-name='alloc_chrdev_region' filepath='fs/char_dev.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_chrdev_region'>
+        <parameter type-id='33f86a47' name='dev' filepath='fs/char_dev.c' line='236' column='1'/>
+        <parameter type-id='f0981eeb' name='baseminor' filepath='fs/char_dev.c' line='236' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='236' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='237' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='alloc_etherdev_mqs' mangled-name='alloc_etherdev_mqs' filepath='net/ethernet/eth.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_etherdev_mqs'>
+        <parameter type-id='95e97e5e' name='sizeof_priv' filepath='net/ethernet/eth.c' line='395' column='1'/>
+        <parameter type-id='f0981eeb' name='txqs' filepath='net/ethernet/eth.c' line='395' column='1'/>
+        <parameter type-id='f0981eeb' name='rxqs' filepath='net/ethernet/eth.c' line='396' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='alloc_io_pgtable_ops' mangled-name='alloc_io_pgtable_ops' filepath='drivers/iommu/io-pgtable.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_io_pgtable_ops'>
+        <parameter type-id='28637b68' name='fmt' filepath='drivers/iommu/io-pgtable.c' line='29' column='1'/>
+        <parameter type-id='a6481aea' name='cfg' filepath='drivers/iommu/io-pgtable.c' line='30' column='1'/>
+        <parameter type-id='eaa32e2f' name='cookie' filepath='drivers/iommu/io-pgtable.c' line='31' column='1'/>
+        <return type-id='bf4bdb64'/>
+      </function-decl>
+      <function-decl name='alloc_iova_fast' mangled-name='alloc_iova_fast' filepath='drivers/iommu/iova.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_iova_fast'>
+        <parameter type-id='0c2c419d' name='iovad' filepath='drivers/iommu/iova.c' line='511' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='drivers/iommu/iova.c' line='511' column='1'/>
+        <parameter type-id='7359adad' name='limit_pfn' filepath='drivers/iommu/iova.c' line='512' column='1'/>
+        <parameter type-id='b50a4934' name='flush_rcache' filepath='drivers/iommu/iova.c' line='512' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='alloc_netdev_mqs' mangled-name='alloc_netdev_mqs' filepath='net/core/dev.c' line='10468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_netdev_mqs'>
+        <parameter type-id='95e97e5e' name='sizeof_priv' filepath='net/core/dev.c' line='10468' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='10468' column='1'/>
+        <parameter type-id='002ac4a6' name='name_assign_type' filepath='net/core/dev.c' line='10469' column='1'/>
+        <parameter type-id='548eee3a' name='setup' filepath='net/core/dev.c' line='10470' column='1'/>
+        <parameter type-id='f0981eeb' name='txqs' filepath='net/core/dev.c' line='10471' column='1'/>
+        <parameter type-id='f0981eeb' name='rxqs' filepath='net/core/dev.c' line='10471' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='alloc_pages_exact' mangled-name='alloc_pages_exact' filepath='mm/page_alloc.c' line='5588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_pages_exact'>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/page_alloc.c' line='5588' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/page_alloc.c' line='5588' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='alloc_skb_with_frags' mangled-name='alloc_skb_with_frags' filepath='net/core/skbuff.c' line='5918' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_skb_with_frags'>
+        <parameter type-id='7359adad' name='header_len' filepath='net/core/skbuff.c' line='5918' column='1'/>
+        <parameter type-id='7359adad' name='data_len' filepath='net/core/skbuff.c' line='5919' column='1'/>
+        <parameter type-id='95e97e5e' name='max_page_order' filepath='net/core/skbuff.c' line='5920' column='1'/>
+        <parameter type-id='7292109c' name='errcode' filepath='net/core/skbuff.c' line='5921' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='5922' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='alloc_workqueue' mangled-name='alloc_workqueue' filepath='kernel/workqueue.c' line='4290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_workqueue'>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/workqueue.c' line='4290' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='kernel/workqueue.c' line='4291' column='1'/>
+        <parameter type-id='95e97e5e' name='max_active' filepath='kernel/workqueue.c' line='4292' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='242e3d19'/>
+      </function-decl>
+      <var-decl name='amba_bustype' type-id='b31bfc8a' mangled-name='amba_bustype' visibility='default' filepath='drivers/amba/bus.c' line='215' column='1' elf-symbol-id='amba_bustype'/>
+      <function-decl name='amba_driver_register' mangled-name='amba_driver_register' filepath='drivers/amba/bus.c' line='335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_driver_register'>
+        <parameter type-id='6e829429' name='drv' filepath='drivers/amba/bus.c' line='335' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='amba_driver_unregister' mangled-name='amba_driver_unregister' filepath='drivers/amba/bus.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_driver_unregister'>
+        <parameter type-id='6e829429' name='drv' filepath='drivers/amba/bus.c' line='356' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='amba_release_regions' mangled-name='amba_release_regions' filepath='drivers/amba/bus.c' line='817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_release_regions'>
+        <parameter type-id='ddd322c1' name='dev' filepath='drivers/amba/bus.c' line='817' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='amba_request_regions' mangled-name='amba_request_regions' filepath='drivers/amba/bus.c' line='795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_request_regions'>
+        <parameter type-id='ddd322c1' name='dev' filepath='drivers/amba/bus.c' line='795' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/amba/bus.c' line='795' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='android_debug_symbol' mangled-name='android_debug_symbol' filepath='drivers/android/debug_symbols.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='android_debug_symbol'>
+        <parameter type-id='9a7fd0a4' name='symbol' filepath='drivers/android/debug_symbols.c' line='94' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='android_rvh_probe_register' mangled-name='android_rvh_probe_register' filepath='kernel/tracepoint.c' line='862' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='android_rvh_probe_register'>
+        <parameter type-id='08e531de' name='tp' filepath='kernel/tracepoint.c' line='862' column='1'/>
+        <parameter type-id='eaa32e2f' name='probe' filepath='kernel/tracepoint.c' line='862' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/tracepoint.c' line='862' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='anon_inode_getfd' mangled-name='anon_inode_getfd' filepath='fs/anon_inodes.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='anon_inode_getfd'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/anon_inodes.c' line='197' column='1'/>
+        <parameter type-id='61758ee5' name='fops' filepath='fs/anon_inodes.c' line='197' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='fs/anon_inodes.c' line='198' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='fs/anon_inodes.c' line='198' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='anon_inode_getfile' mangled-name='anon_inode_getfile' filepath='fs/anon_inodes.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='anon_inode_getfile'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/anon_inodes.c' line='143' column='1'/>
+        <parameter type-id='61758ee5' name='fops' filepath='fs/anon_inodes.c' line='144' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='fs/anon_inodes.c' line='145' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='fs/anon_inodes.c' line='145' column='1'/>
+        <return type-id='77e79a4b'/>
+      </function-decl>
+      <var-decl name='arch_timer_read_counter' type-id='0e70db3e' mangled-name='arch_timer_read_counter' visibility='default' filepath='drivers/clocksource/arm_arch_timer.c' line='182' column='1' elf-symbol-id='arch_timer_read_counter'/>
+      <function-decl name='argv_free' mangled-name='argv_free' filepath='lib/argv_split.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='argv_free'>
+        <parameter type-id='9b23c9ad' name='argv' filepath='lib/argv_split.c' line='35' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='argv_split' mangled-name='argv_split' filepath='lib/argv_split.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='argv_split'>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/argv_split.c' line='60' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='lib/argv_split.c' line='60' column='1'/>
+        <parameter type-id='7292109c' name='argcp' filepath='lib/argv_split.c' line='60' column='1'/>
+        <return type-id='9b23c9ad'/>
+      </function-decl>
+      <var-decl name='arm64_const_caps_ready' type-id='237c0d27' mangled-name='arm64_const_caps_ready' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='143' column='1' elf-symbol-id='arm64_const_caps_ready'/>
+      <var-decl name='arm64_use_ng_mappings' type-id='b50a4934' mangled-name='arm64_use_ng_mappings' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='111' column='1' elf-symbol-id='arm64_use_ng_mappings'/>
+      <function-decl name='async_schedule_node' mangled-name='async_schedule_node' filepath='kernel/async.c' line='228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='async_schedule_node'>
+        <parameter type-id='5c19cb0c' name='func' filepath='kernel/async.c' line='228' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/async.c' line='228' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='kernel/async.c' line='228' column='1'/>
+        <return type-id='a7465fe4'/>
+      </function-decl>
+      <function-decl name='async_schedule_node_domain' mangled-name='async_schedule_node_domain' filepath='kernel/async.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='async_schedule_node_domain'>
+        <parameter type-id='5c19cb0c' name='func' filepath='kernel/async.c' line='165' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/async.c' line='165' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='kernel/async.c' line='166' column='1'/>
+        <parameter type-id='fc616182' name='domain' filepath='kernel/async.c' line='166' column='1'/>
+        <return type-id='a7465fe4'/>
+      </function-decl>
+      <function-decl name='async_synchronize_full_domain' mangled-name='async_synchronize_full_domain' filepath='kernel/async.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='async_synchronize_full_domain'>
+        <parameter type-id='fc616182' name='domain' filepath='kernel/async.c' line='270' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='atomic_notifier_call_chain' mangled-name='atomic_notifier_call_chain' filepath='kernel/notifier.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='atomic_notifier_call_chain'>
+        <parameter type-id='02162584' name='nh' filepath='kernel/notifier.c' line='211' column='1'/>
+        <parameter type-id='7359adad' name='val' filepath='kernel/notifier.c' line='212' column='1'/>
+        <parameter type-id='eaa32e2f' name='v' filepath='kernel/notifier.c' line='212' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='atomic_notifier_chain_register' mangled-name='atomic_notifier_chain_register' filepath='kernel/notifier.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='atomic_notifier_chain_register'>
+        <parameter type-id='02162584' name='nh' filepath='kernel/notifier.c' line='139' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='140' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='atomic_notifier_chain_unregister' mangled-name='atomic_notifier_chain_unregister' filepath='kernel/notifier.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='atomic_notifier_chain_unregister'>
+        <parameter type-id='02162584' name='nh' filepath='kernel/notifier.c' line='161' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='162' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='autoremove_wake_function' mangled-name='autoremove_wake_function' filepath='kernel/sched/wait.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='autoremove_wake_function'>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='403' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='403' column='1'/>
+        <parameter type-id='95e97e5e' name='sync' filepath='kernel/sched/wait.c' line='404' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='404' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='available_idle_cpu' mangled-name='available_idle_cpu' filepath='kernel/sched/core.c' line='5391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='available_idle_cpu'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/core.c' line='5391' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='avenrun' type-id='3461381a' mangled-name='avenrun' visibility='default' filepath='kernel/sched/loadavg.c' line='61' column='1' elf-symbol-id='avenrun'/>
+      <function-decl name='backlight_device_register' mangled-name='backlight_device_register' filepath='drivers/video/backlight/backlight.c' line='393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='backlight_device_register'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/video/backlight/backlight.c' line='393' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/video/backlight/backlight.c' line='394' column='1'/>
+        <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/video/backlight/backlight.c' line='394' column='1'/>
+        <parameter type-id='a3d6b1c0' name='ops' filepath='drivers/video/backlight/backlight.c' line='394' column='1'/>
+        <parameter type-id='f46152e7' name='props' filepath='drivers/video/backlight/backlight.c' line='395' column='1'/>
+        <return type-id='7a76d041'/>
+      </function-decl>
+      <function-decl name='backlight_device_set_brightness' mangled-name='backlight_device_set_brightness' filepath='drivers/video/backlight/backlight.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='backlight_device_set_brightness'>
+        <parameter type-id='7a76d041' name='bd' filepath='drivers/video/backlight/backlight.c' line='230' column='1'/>
+        <parameter type-id='7359adad' name='brightness' filepath='drivers/video/backlight/backlight.c' line='231' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='backlight_device_unregister' mangled-name='backlight_device_unregister' filepath='drivers/video/backlight/backlight.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='backlight_device_unregister'>
+        <parameter type-id='7a76d041' name='bd' filepath='drivers/video/backlight/backlight.c' line='508' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='badblocks_check' mangled-name='badblocks_check' filepath='block/badblocks.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_check'>
+        <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='53' column='1'/>
+        <parameter type-id='a42536cd' name='s' filepath='block/badblocks.c' line='53' column='1'/>
+        <parameter type-id='95e97e5e' name='sectors' filepath='block/badblocks.c' line='53' column='1'/>
+        <parameter type-id='5c39fc92' name='first_bad' filepath='block/badblocks.c' line='54' column='1'/>
+        <parameter type-id='7292109c' name='bad_sectors' filepath='block/badblocks.c' line='54' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='badblocks_clear' mangled-name='badblocks_clear' filepath='block/badblocks.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_clear'>
+        <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='331' column='1'/>
+        <parameter type-id='a42536cd' name='s' filepath='block/badblocks.c' line='331' column='1'/>
+        <parameter type-id='95e97e5e' name='sectors' filepath='block/badblocks.c' line='331' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='badblocks_exit' mangled-name='badblocks_exit' filepath='block/badblocks.c' line='593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_exit'>
+        <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='593' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='badblocks_init' mangled-name='badblocks_init' filepath='block/badblocks.c' line='575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_init'>
+        <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='575' column='1'/>
+        <parameter type-id='95e97e5e' name='enable' filepath='block/badblocks.c' line='575' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='badblocks_set' mangled-name='badblocks_set' filepath='block/badblocks.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_set'>
+        <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='163' column='1'/>
+        <parameter type-id='a42536cd' name='s' filepath='block/badblocks.c' line='163' column='1'/>
+        <parameter type-id='95e97e5e' name='sectors' filepath='block/badblocks.c' line='163' column='1'/>
+        <parameter type-id='95e97e5e' name='acknowledged' filepath='block/badblocks.c' line='164' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='badblocks_show' mangled-name='badblocks_show' filepath='block/badblocks.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_show'>
+        <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='467' column='1'/>
+        <parameter type-id='26a90f95' name='page' filepath='block/badblocks.c' line='467' column='1'/>
+        <parameter type-id='95e97e5e' name='unack' filepath='block/badblocks.c' line='467' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='bcmp' mangled-name='bcmp' filepath='lib/string.c' line='962' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bcmp'>
+        <parameter type-id='eaa32e2f' name='a' filepath='lib/string.c' line='962' column='1'/>
+        <parameter type-id='eaa32e2f' name='b' filepath='lib/string.c' line='962' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='lib/string.c' line='962' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bd_set_nr_sectors' mangled-name='bd_set_nr_sectors' filepath='fs/block_dev.c' line='1389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bd_set_nr_sectors'>
+        <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='1389' column='1'/>
+        <parameter type-id='a42536cd' name='sectors' filepath='fs/block_dev.c' line='1389' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bdget_disk' mangled-name='bdget_disk' filepath='block/genhd.c' line='1048' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdget_disk'>
+        <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='1048' column='1'/>
+        <parameter type-id='95e97e5e' name='partno' filepath='block/genhd.c' line='1048' column='1'/>
+        <return type-id='b88dd945'/>
+      </function-decl>
+      <function-decl name='bdput' mangled-name='bdput' filepath='fs/block_dev.c' line='968' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdput'>
+        <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='968' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bgpio_init' mangled-name='bgpio_init' filepath='drivers/gpio/gpio-mmio.c' line='599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bgpio_init'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpio-mmio.c' line='599' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpio-mmio.c' line='599' column='1'/>
+        <parameter type-id='7359adad' name='sz' filepath='drivers/gpio/gpio-mmio.c' line='600' column='1'/>
+        <parameter type-id='eaa32e2f' name='dat' filepath='drivers/gpio/gpio-mmio.c' line='600' column='1'/>
+        <parameter type-id='eaa32e2f' name='set' filepath='drivers/gpio/gpio-mmio.c' line='600' column='1'/>
+        <parameter type-id='eaa32e2f' name='clr' filepath='drivers/gpio/gpio-mmio.c' line='601' column='1'/>
+        <parameter type-id='eaa32e2f' name='dirout' filepath='drivers/gpio/gpio-mmio.c' line='601' column='1'/>
+        <parameter type-id='eaa32e2f' name='dirin' filepath='drivers/gpio/gpio-mmio.c' line='601' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/gpio/gpio-mmio.c' line='602' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bin2hex' mangled-name='bin2hex' filepath='lib/hexdump.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bin2hex'>
+        <parameter type-id='26a90f95' name='dst' filepath='lib/hexdump.c' line='95' column='1'/>
+        <parameter type-id='eaa32e2f' name='src' filepath='lib/hexdump.c' line='95' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/hexdump.c' line='95' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='bio_add_page' mangled-name='bio_add_page' filepath='block/bio.c' line='934' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_add_page'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='934' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='block/bio.c' line='934' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='block/bio.c' line='935' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='block/bio.c' line='935' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bio_alloc_bioset' mangled-name='bio_alloc_bioset' filepath='block/bio.c' line='437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_alloc_bioset'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/bio.c' line='437' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_iovecs' filepath='block/bio.c' line='437' column='1'/>
+        <parameter type-id='38b1e3a0' name='bs' filepath='block/bio.c' line='438' column='1'/>
+        <return type-id='fb55efa1'/>
+      </function-decl>
+      <function-decl name='bio_associate_blkg' mangled-name='bio_associate_blkg' filepath='block/blk-cgroup.c' line='1881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_associate_blkg'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/blk-cgroup.c' line='1881' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bio_chain' mangled-name='bio_chain' filepath='block/bio.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_chain'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='338' column='1'/>
+        <parameter type-id='fb55efa1' name='parent' filepath='block/bio.c' line='338' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bio_clone_blkg_association' mangled-name='bio_clone_blkg_association' filepath='block/blk-cgroup.c' line='1903' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_clone_blkg_association'>
+        <parameter type-id='fb55efa1' name='dst' filepath='block/blk-cgroup.c' line='1903' column='1'/>
+        <parameter type-id='fb55efa1' name='src' filepath='block/blk-cgroup.c' line='1903' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bio_crypt_set_ctx' mangled-name='bio_crypt_set_ctx' filepath='block/blk-crypto.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_crypt_set_ctx'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/blk-crypto.c' line='82' column='1'/>
+        <parameter type-id='9baaf905' name='key' filepath='block/blk-crypto.c' line='82' column='1'/>
+        <parameter type-id='c8fec899' name='dun' filepath='block/blk-crypto.c' line='83' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-crypto.c' line='83' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bio_endio' mangled-name='bio_endio' filepath='block/bio.c' line='1426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_endio'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='1426' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bio_init' mangled-name='bio_init' filepath='block/bio.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_init'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='278' column='1'/>
+        <parameter type-id='cddcb53e' name='table' filepath='block/bio.c' line='278' column='1'/>
+        <parameter type-id='8efea9e5' name='max_vecs' filepath='block/bio.c' line='279' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bio_put' mangled-name='bio_put' filepath='block/bio.c' line='648' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_put'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='648' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bit_wait_timeout' mangled-name='bit_wait_timeout' filepath='kernel/sched/wait_bit.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bit_wait_timeout'>
+        <parameter type-id='307d4a12' name='word' filepath='kernel/sched/wait_bit.c' line='217' column='1'/>
+        <parameter type-id='95e97e5e' name='mode' filepath='kernel/sched/wait_bit.c' line='217' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bitmap_alloc' mangled-name='bitmap_alloc' filepath='lib/bitmap.c' line='1248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_alloc'>
+        <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1248' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='lib/bitmap.c' line='1248' column='1'/>
+        <return type-id='1d2c2b85'/>
+      </function-decl>
+      <function-decl name='bitmap_find_next_zero_area_off' mangled-name='bitmap_find_next_zero_area_off' filepath='lib/bitmap.c' line='406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_find_next_zero_area_off'>
+        <parameter type-id='1d2c2b85' name='map' filepath='lib/bitmap.c' line='406' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='lib/bitmap.c' line='407' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='lib/bitmap.c' line='408' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='lib/bitmap.c' line='409' column='1'/>
+        <parameter type-id='7359adad' name='align_mask' filepath='lib/bitmap.c' line='410' column='1'/>
+        <parameter type-id='7359adad' name='align_offset' filepath='lib/bitmap.c' line='411' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='bitmap_free' mangled-name='bitmap_free' filepath='lib/bitmap.c' line='1261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_free'>
+        <parameter type-id='f9b37274' name='bitmap' filepath='lib/bitmap.c' line='1261' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bitmap_from_arr32' mangled-name='bitmap_from_arr32' filepath='lib/bitmap.c' line='1306' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_from_arr32'>
+        <parameter type-id='1d2c2b85' name='bitmap' filepath='lib/bitmap.c' line='1306' column='1'/>
+        <parameter type-id='aded214c' name='buf' filepath='lib/bitmap.c' line='1306' column='1'/>
+        <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1306' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bitmap_parse' mangled-name='bitmap_parse' filepath='lib/bitmap.c' line='739' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_parse'>
+        <parameter type-id='80f4b756' name='start' filepath='lib/bitmap.c' line='739' column='1'/>
+        <parameter type-id='f0981eeb' name='buflen' filepath='lib/bitmap.c' line='739' column='1'/>
+        <parameter type-id='1d2c2b85' name='maskp' filepath='lib/bitmap.c' line='740' column='1'/>
+        <parameter type-id='95e97e5e' name='nmaskbits' filepath='lib/bitmap.c' line='740' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bitmap_parselist' mangled-name='bitmap_parselist' filepath='lib/bitmap.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_parselist'>
+        <parameter type-id='80f4b756' name='buf' filepath='lib/bitmap.c' line='640' column='1'/>
+        <parameter type-id='1d2c2b85' name='maskp' filepath='lib/bitmap.c' line='640' column='1'/>
+        <parameter type-id='95e97e5e' name='nmaskbits' filepath='lib/bitmap.c' line='640' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bitmap_print_to_pagebuf' mangled-name='bitmap_print_to_pagebuf' filepath='lib/bitmap.c' line='480' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_print_to_pagebuf'>
+        <parameter type-id='b50a4934' name='list' filepath='lib/bitmap.c' line='480' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='lib/bitmap.c' line='480' column='1'/>
+        <parameter type-id='f9b37274' name='maskp' filepath='lib/bitmap.c' line='480' column='1'/>
+        <parameter type-id='95e97e5e' name='nmaskbits' filepath='lib/bitmap.c' line='481' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bitmap_to_arr32' mangled-name='bitmap_to_arr32' filepath='lib/bitmap.c' line='1329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_to_arr32'>
+        <parameter type-id='f9409001' name='buf' filepath='lib/bitmap.c' line='1329' column='1'/>
+        <parameter type-id='f9b37274' name='bitmap' filepath='lib/bitmap.c' line='1329' column='1'/>
+        <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1329' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bitmap_zalloc' mangled-name='bitmap_zalloc' filepath='lib/bitmap.c' line='1255' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_zalloc'>
+        <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1255' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='lib/bitmap.c' line='1255' column='1'/>
+        <return type-id='1d2c2b85'/>
+      </function-decl>
+      <function-decl name='blk_abort_request' mangled-name='blk_abort_request' filepath='block/blk-timeout.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_abort_request'>
+        <parameter type-id='3dad1a48' name='req' filepath='block/blk-timeout.c' line='79' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_alloc_queue' mangled-name='blk_alloc_queue' filepath='block/blk-core.c' line='515' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_alloc_queue'>
+        <parameter type-id='95e97e5e' name='node_id' filepath='block/blk-core.c' line='515' column='1'/>
+        <return type-id='e7d2a5fc'/>
+      </function-decl>
+      <function-decl name='blk_check_plugged' mangled-name='blk_check_plugged' filepath='block/blk-core.c' line='1731' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_check_plugged'>
+        <parameter type-id='f31816b5' name='unplug' filepath='block/blk-core.c' line='1731' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='block/blk-core.c' line='1731' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='block/blk-core.c' line='1732' column='1'/>
+        <return type-id='39914f13'/>
+      </function-decl>
+      <function-decl name='blk_cleanup_queue' mangled-name='blk_cleanup_queue' filepath='block/blk-core.c' line='370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_cleanup_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='370' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_crypto_init_key' mangled-name='blk_crypto_init_key' filepath='block/blk-crypto.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_crypto_init_key'>
+        <parameter type-id='59b4be32' name='blk_key' filepath='block/blk-crypto.c' line='326' column='1'/>
+        <parameter type-id='bbaf3419' name='raw_key' filepath='block/blk-crypto.c' line='327' column='1'/>
+        <parameter type-id='f0981eeb' name='raw_key_size' filepath='block/blk-crypto.c' line='327' column='1'/>
+        <parameter type-id='b50a4934' name='is_hw_wrapped' filepath='block/blk-crypto.c' line='328' column='1'/>
+        <parameter type-id='e951e732' name='crypto_mode' filepath='block/blk-crypto.c' line='329' column='1'/>
+        <parameter type-id='f0981eeb' name='dun_bytes' filepath='block/blk-crypto.c' line='330' column='1'/>
+        <parameter type-id='f0981eeb' name='data_unit_size' filepath='block/blk-crypto.c' line='331' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_execute_rq' mangled-name='blk_execute_rq' filepath='block/blk-exec.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_execute_rq'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-exec.c' line='79' column='1'/>
+        <parameter type-id='33c599da' name='bd_disk' filepath='block/blk-exec.c' line='79' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-exec.c' line='80' column='1'/>
+        <parameter type-id='95e97e5e' name='at_head' filepath='block/blk-exec.c' line='80' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_execute_rq_nowait' mangled-name='blk_execute_rq_nowait' filepath='block/blk-exec.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_execute_rq_nowait'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-exec.c' line='48' column='1'/>
+        <parameter type-id='33c599da' name='bd_disk' filepath='block/blk-exec.c' line='48' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-exec.c' line='49' column='1'/>
+        <parameter type-id='95e97e5e' name='at_head' filepath='block/blk-exec.c' line='49' column='1'/>
+        <parameter type-id='5afdaa66' name='done' filepath='block/blk-exec.c' line='50' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_freeze_queue_start' mangled-name='blk_freeze_queue_start' filepath='block/blk-mq.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_freeze_queue_start'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='136' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_get_queue' mangled-name='blk_get_queue' filepath='block/blk-core.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_get_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='608' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='blk_get_request' mangled-name='blk_get_request' filepath='block/blk-core.c' line='625' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_get_request'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='625' column='1'/>
+        <parameter type-id='f0981eeb' name='op' filepath='block/blk-core.c' line='625' column='1'/>
+        <parameter type-id='346d62be' name='flags' filepath='block/blk-core.c' line='626' column='1'/>
+        <return type-id='3dad1a48'/>
+      </function-decl>
+      <function-decl name='blk_ksm_init_passthrough' mangled-name='blk_ksm_init_passthrough' filepath='block/keyslot-manager.c' line='624' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_ksm_init_passthrough'>
+        <parameter type-id='bf8a20d2' name='ksm' filepath='block/keyslot-manager.c' line='624' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_alloc_request' mangled-name='blk_mq_alloc_request' filepath='block/blk-mq.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_alloc_request'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='403' column='1'/>
+        <parameter type-id='f0981eeb' name='op' filepath='block/blk-mq.c' line='403' column='1'/>
+        <parameter type-id='346d62be' name='flags' filepath='block/blk-mq.c' line='404' column='1'/>
+        <return type-id='3dad1a48'/>
+      </function-decl>
+      <function-decl name='blk_mq_alloc_request_hctx' mangled-name='blk_mq_alloc_request_hctx' filepath='block/blk-mq.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_alloc_request_hctx'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='431' column='1'/>
+        <parameter type-id='f0981eeb' name='op' filepath='block/blk-mq.c' line='432' column='1'/>
+        <parameter type-id='346d62be' name='flags' filepath='block/blk-mq.c' line='432' column='1'/>
+        <parameter type-id='f0981eeb' name='hctx_idx' filepath='block/blk-mq.c' line='432' column='1'/>
+        <return type-id='3dad1a48'/>
+      </function-decl>
+      <function-decl name='blk_mq_alloc_tag_set' mangled-name='blk_mq_alloc_tag_set' filepath='block/blk-mq.c' line='3503' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_alloc_tag_set'>
+        <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3503' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_mq_complete_request' mangled-name='blk_mq_complete_request' filepath='block/blk-mq.c' line='690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_complete_request'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='690' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_complete_request_remote' mangled-name='blk_mq_complete_request_remote' filepath='block/blk-mq.c' line='657' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_complete_request_remote'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='657' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='blk_mq_debugfs_rq_show' mangled-name='blk_mq_debugfs_rq_show' filepath='block/blk-mq-debugfs.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_debugfs_rq_show'>
+        <parameter type-id='f8dc9def' name='m' filepath='block/blk-mq-debugfs.c' line='358' column='1'/>
+        <parameter type-id='eaa32e2f' name='v' filepath='block/blk-mq-debugfs.c' line='358' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_mq_delay_kick_requeue_list' mangled-name='blk_mq_delay_kick_requeue_list' filepath='block/blk-mq.c' line='844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_delay_kick_requeue_list'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='844' column='1'/>
+        <parameter type-id='7359adad' name='msecs' filepath='block/blk-mq.c' line='845' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_end_request' mangled-name='blk_mq_end_request' filepath='block/blk-mq.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_end_request'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='567' column='1'/>
+        <parameter type-id='f4e2facd' name='error' filepath='block/blk-mq.c' line='567' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_free_request' mangled-name='blk_mq_free_request' filepath='block/blk-mq.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_free_request'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='511' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_free_tag_set' mangled-name='blk_mq_free_tag_set' filepath='block/blk-mq.c' line='3599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_free_tag_set'>
+        <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3599' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_freeze_queue' mangled-name='blk_mq_freeze_queue' filepath='block/blk-mq.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_freeze_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='182' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_freeze_queue_wait' mangled-name='blk_mq_freeze_queue_wait' filepath='block/blk-mq.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_freeze_queue_wait'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='150' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_freeze_queue_wait_timeout' mangled-name='blk_mq_freeze_queue_wait_timeout' filepath='block/blk-mq.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_freeze_queue_wait_timeout'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='156' column='1'/>
+        <parameter type-id='7359adad' name='timeout' filepath='block/blk-mq.c' line='157' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_mq_init_queue' mangled-name='blk_mq_init_queue' filepath='block/blk-mq.c' line='3150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_init_queue'>
+        <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3150' column='1'/>
+        <return type-id='e7d2a5fc'/>
+      </function-decl>
+      <function-decl name='blk_mq_init_queue_data' mangled-name='blk_mq_init_queue_data' filepath='block/blk-mq.c' line='3128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_init_queue_data'>
+        <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3128' column='1'/>
+        <parameter type-id='eaa32e2f' name='queuedata' filepath='block/blk-mq.c' line='3129' column='1'/>
+        <return type-id='e7d2a5fc'/>
+      </function-decl>
+      <function-decl name='blk_mq_map_queues' mangled-name='blk_mq_map_queues' filepath='block/blk-mq-cpumap.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_map_queues'>
+        <parameter type-id='187ae308' name='qmap' filepath='block/blk-mq-cpumap.c' line='35' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_mq_pci_map_queues' mangled-name='blk_mq_pci_map_queues' filepath='block/blk-mq-pci.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_pci_map_queues'>
+        <parameter type-id='187ae308' name='qmap' filepath='block/blk-mq-pci.c' line='26' column='1'/>
+        <parameter type-id='85196e3f' name='pdev' filepath='block/blk-mq-pci.c' line='26' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='block/blk-mq-pci.c' line='27' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_mq_quiesce_queue' mangled-name='blk_mq_quiesce_queue' filepath='block/blk-mq.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_quiesce_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='224' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_requeue_request' mangled-name='blk_mq_requeue_request' filepath='block/blk-mq.c' line='765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_requeue_request'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='765' column='1'/>
+        <parameter type-id='b50a4934' name='kick_requeue_list' filepath='block/blk-mq.c' line='765' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_run_hw_queues' mangled-name='blk_mq_run_hw_queues' filepath='block/blk-mq.c' line='1687' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_run_hw_queues'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='1687' column='1'/>
+        <parameter type-id='b50a4934' name='async' filepath='block/blk-mq.c' line='1687' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_sched_request_inserted' mangled-name='blk_mq_sched_request_inserted' filepath='block/blk-mq-sched.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_sched_request_inserted'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-sched.c' line='396' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_sched_try_insert_merge' mangled-name='blk_mq_sched_try_insert_merge' filepath='block/blk-mq-sched.c' line='390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_sched_try_insert_merge'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq-sched.c' line='390' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-sched.c' line='390' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='blk_mq_sched_try_merge' mangled-name='blk_mq_sched_try_merge' filepath='block/blk-merge.c' line='1119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_sched_try_merge'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-merge.c' line='1119' column='1'/>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/blk-merge.c' line='1119' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_segs' filepath='block/blk-merge.c' line='1120' column='1'/>
+        <parameter type-id='79808846' name='merged_request' filepath='block/blk-merge.c' line='1120' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='blk_mq_start_request' mangled-name='blk_mq_start_request' filepath='block/blk-mq.c' line='725' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_start_request'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='725' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_start_stopped_hw_queues' mangled-name='blk_mq_start_stopped_hw_queues' filepath='block/blk-mq.c' line='1822' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_start_stopped_hw_queues'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='1822' column='1'/>
+        <parameter type-id='b50a4934' name='async' filepath='block/blk-mq.c' line='1822' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_stop_hw_queue' mangled-name='blk_mq_stop_hw_queue' filepath='block/blk-mq.c' line='1767' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_stop_hw_queue'>
+        <parameter type-id='a47d3467' name='hctx' filepath='block/blk-mq.c' line='1767' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_stop_hw_queues' mangled-name='blk_mq_stop_hw_queues' filepath='block/blk-mq.c' line='1784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_stop_hw_queues'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='1784' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_tag_to_rq' mangled-name='blk_mq_tag_to_rq' filepath='block/blk-mq.c' line='852' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_tag_to_rq'>
+        <parameter type-id='0461ecf5' name='tags' filepath='block/blk-mq.c' line='852' column='1'/>
+        <parameter type-id='f0981eeb' name='tag' filepath='block/blk-mq.c' line='852' column='1'/>
+        <return type-id='3dad1a48'/>
+      </function-decl>
+      <function-decl name='blk_mq_tagset_busy_iter' mangled-name='blk_mq_tagset_busy_iter' filepath='block/blk-mq-tag.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_tagset_busy_iter'>
+        <parameter type-id='cc26d15f' name='tagset' filepath='block/blk-mq-tag.c' line='378' column='1'/>
+        <parameter type-id='65a8a3df' name='fn' filepath='block/blk-mq-tag.c' line='379' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='block/blk-mq-tag.c' line='379' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_tagset_wait_completed_request' mangled-name='blk_mq_tagset_wait_completed_request' filepath='block/blk-mq-tag.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_tagset_wait_completed_request'>
+        <parameter type-id='cc26d15f' name='tagset' filepath='block/blk-mq-tag.c' line='408' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_unfreeze_queue' mangled-name='blk_mq_unfreeze_queue' filepath='block/blk-mq.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_unfreeze_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='192' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_unique_tag' mangled-name='blk_mq_unique_tag' filepath='block/blk-mq-tag.c' line='638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_unique_tag'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-tag.c' line='638' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='blk_mq_unquiesce_queue' mangled-name='blk_mq_unquiesce_queue' filepath='block/blk-mq.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_unquiesce_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='250' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_update_nr_hw_queues' mangled-name='blk_mq_update_nr_hw_queues' filepath='block/blk-mq.c' line='3802' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_update_nr_hw_queues'>
+        <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3802' column='1'/>
+        <parameter type-id='95e97e5e' name='nr_hw_queues' filepath='block/blk-mq.c' line='3802' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_mq_virtio_map_queues' mangled-name='blk_mq_virtio_map_queues' filepath='block/blk-mq-virtio.c' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_virtio_map_queues'>
+        <parameter type-id='187ae308' name='qmap' filepath='block/blk-mq-virtio.c' line='24' column='1'/>
+        <parameter type-id='5dbfcbb1' name='vdev' filepath='block/blk-mq-virtio.c' line='25' column='1'/>
+        <parameter type-id='95e97e5e' name='first_vec' filepath='block/blk-mq-virtio.c' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_poll' mangled-name='blk_poll' filepath='block/blk-mq.c' line='3966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_poll'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='3966' column='1'/>
+        <parameter type-id='041bc907' name='cookie' filepath='block/blk-mq.c' line='3966' column='1'/>
+        <parameter type-id='b50a4934' name='spin' filepath='block/blk-mq.c' line='3966' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_put_queue' mangled-name='blk_put_queue' filepath='block/blk-core.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_put_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='336' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_put_request' mangled-name='blk_put_request' filepath='block/blk-core.c' line='641' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_put_request'>
+        <parameter type-id='3dad1a48' name='req' filepath='block/blk-core.c' line='641' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_alignment_offset' mangled-name='blk_queue_alignment_offset' filepath='block/blk-settings.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_alignment_offset'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='367' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='block/blk-settings.c' line='367' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_bounce_limit' mangled-name='blk_queue_bounce_limit' filepath='block/blk-settings.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_bounce_limit'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='102' column='1'/>
+        <parameter type-id='91ce1af9' name='max_addr' filepath='block/blk-settings.c' line='102' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_can_use_dma_map_merging' mangled-name='blk_queue_can_use_dma_map_merging' filepath='block/blk-settings.c' line='820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_can_use_dma_map_merging'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='820' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='block/blk-settings.c' line='821' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='blk_queue_chunk_sectors' mangled-name='blk_queue_chunk_sectors' filepath='block/blk-settings.c' line='180' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_chunk_sectors'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='180' column='1'/>
+        <parameter type-id='f0981eeb' name='chunk_sectors' filepath='block/blk-settings.c' line='180' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_dma_alignment' mangled-name='blk_queue_dma_alignment' filepath='block/blk-settings.c' line='732' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_dma_alignment'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='732' column='1'/>
+        <parameter type-id='95e97e5e' name='mask' filepath='block/blk-settings.c' line='732' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_flag_clear' mangled-name='blk_queue_flag_clear' filepath='block/blk-core.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_flag_clear'>
+        <parameter type-id='f0981eeb' name='flag' filepath='block/blk-core.c' line='91' column='1'/>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='91' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_flag_set' mangled-name='blk_queue_flag_set' filepath='block/blk-core.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_flag_set'>
+        <parameter type-id='f0981eeb' name='flag' filepath='block/blk-core.c' line='80' column='1'/>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='80' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_flag_test_and_set' mangled-name='blk_queue_flag_test_and_set' filepath='block/blk-core.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_flag_test_and_set'>
+        <parameter type-id='f0981eeb' name='flag' filepath='block/blk-core.c' line='105' column='1'/>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='105' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='blk_queue_io_min' mangled-name='blk_queue_io_min' filepath='block/blk-settings.c' line='425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_io_min'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='425' column='1'/>
+        <parameter type-id='f0981eeb' name='min' filepath='block/blk-settings.c' line='425' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_io_opt' mangled-name='blk_queue_io_opt' filepath='block/blk-settings.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_io_opt'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='463' column='1'/>
+        <parameter type-id='f0981eeb' name='opt' filepath='block/blk-settings.c' line='463' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_logical_block_size' mangled-name='blk_queue_logical_block_size' filepath='block/blk-settings.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_logical_block_size'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='322' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='block/blk-settings.c' line='322' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_max_discard_sectors' mangled-name='blk_queue_max_discard_sectors' filepath='block/blk-settings.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_discard_sectors'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='191' column='1'/>
+        <parameter type-id='f0981eeb' name='max_discard_sectors' filepath='block/blk-settings.c' line='192' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_max_discard_segments' mangled-name='blk_queue_max_discard_segments' filepath='block/blk-settings.c' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_discard_segments'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='281' column='1'/>
+        <parameter type-id='8efea9e5' name='max_segments' filepath='block/blk-settings.c' line='282' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_max_hw_sectors' mangled-name='blk_queue_max_hw_sectors' filepath='block/blk-settings.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_hw_sectors'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='149' column='1'/>
+        <parameter type-id='f0981eeb' name='max_hw_sectors' filepath='block/blk-settings.c' line='149' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_max_segment_size' mangled-name='blk_queue_max_segment_size' filepath='block/blk-settings.c' line='297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_segment_size'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='297' column='1'/>
+        <parameter type-id='f0981eeb' name='max_size' filepath='block/blk-settings.c' line='297' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_max_segments' mangled-name='blk_queue_max_segments' filepath='block/blk-settings.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_segments'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='260' column='1'/>
+        <parameter type-id='8efea9e5' name='max_segments' filepath='block/blk-settings.c' line='260' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_max_write_zeroes_sectors' mangled-name='blk_queue_max_write_zeroes_sectors' filepath='block/blk-settings.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_write_zeroes_sectors'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='217' column='1'/>
+        <parameter type-id='f0981eeb' name='max_write_zeroes_sectors' filepath='block/blk-settings.c' line='218' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_physical_block_size' mangled-name='blk_queue_physical_block_size' filepath='block/blk-settings.c' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_physical_block_size'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='344' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='block/blk-settings.c' line='344' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_rq_timeout' mangled-name='blk_queue_rq_timeout' filepath='block/blk-settings.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_rq_timeout'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='25' column='1'/>
+        <parameter type-id='f0981eeb' name='timeout' filepath='block/blk-settings.c' line='25' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_virt_boundary' mangled-name='blk_queue_virt_boundary' filepath='block/blk-settings.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_virt_boundary'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='707' column='1'/>
+        <parameter type-id='7359adad' name='mask' filepath='block/blk-settings.c' line='707' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_queue_write_cache' mangled-name='blk_queue_write_cache' filepath='block/blk-settings.c' line='782' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_write_cache'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='782' column='1'/>
+        <parameter type-id='b50a4934' name='wc' filepath='block/blk-settings.c' line='782' column='1'/>
+        <parameter type-id='b50a4934' name='fua' filepath='block/blk-settings.c' line='782' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_rq_map_kern' mangled-name='blk_rq_map_kern' filepath='block/blk-map.c' line='682' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_map_kern'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-map.c' line='682' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-map.c' line='682' column='1'/>
+        <parameter type-id='eaa32e2f' name='kbuf' filepath='block/blk-map.c' line='682' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='block/blk-map.c' line='683' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-map.c' line='683' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_rq_map_user' mangled-name='blk_rq_map_user' filepath='block/blk-map.c' line='618' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_map_user'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-map.c' line='618' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-map.c' line='618' column='1'/>
+        <parameter type-id='9c9d090c' name='map_data' filepath='block/blk-map.c' line='619' column='1'/>
+        <parameter type-id='eaa32e2f' name='ubuf' filepath='block/blk-map.c' line='619' column='1'/>
+        <parameter type-id='7359adad' name='len' filepath='block/blk-map.c' line='620' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-map.c' line='620' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_rq_map_user_iov' mangled-name='blk_rq_map_user_iov' filepath='block/blk-map.c' line='576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_map_user_iov'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-map.c' line='576' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/blk-map.c' line='576' column='1'/>
+        <parameter type-id='9c9d090c' name='map_data' filepath='block/blk-map.c' line='577' column='1'/>
+        <parameter type-id='ab3e2665' name='iter' filepath='block/blk-map.c' line='578' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-map.c' line='578' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_rq_unmap_user' mangled-name='blk_rq_unmap_user' filepath='block/blk-map.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_unmap_user'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/blk-map.c' line='642' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_set_queue_dying' mangled-name='blk_set_queue_dying' filepath='block/blk-core.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_set_queue_dying'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='342' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_status_to_errno' mangled-name='blk_status_to_errno' filepath='block/blk-core.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_status_to_errno'>
+        <parameter type-id='f4e2facd' name='status' filepath='block/blk-core.c' line='210' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blk_sync_queue' mangled-name='blk_sync_queue' filepath='block/blk-core.c' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_sync_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='298' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blk_update_request' mangled-name='blk_update_request' filepath='block/blk-core.c' line='1429' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_update_request'>
+        <parameter type-id='3dad1a48' name='req' filepath='block/blk-core.c' line='1429' column='1'/>
+        <parameter type-id='f4e2facd' name='error' filepath='block/blk-core.c' line='1429' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_bytes' filepath='block/blk-core.c' line='1430' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='blk_verify_command' mangled-name='blk_verify_command' filepath='block/scsi_ioctl.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_verify_command'>
+        <parameter type-id='cf536864' name='cmd' filepath='block/scsi_ioctl.c' line='200' column='1'/>
+        <parameter type-id='2665334e' name='mode' filepath='block/scsi_ioctl.c' line='200' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='blkcg_root' type-id='19b26952' mangled-name='blkcg_root' visibility='default' filepath='block/blk-cgroup.c' line='48' column='1' elf-symbol-id='blkcg_root'/>
+      <function-decl name='blkdev_get_by_dev' mangled-name='blkdev_get_by_dev' filepath='fs/block_dev.c' line='1725' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_get_by_dev'>
+        <parameter type-id='8504f260' name='dev' filepath='fs/block_dev.c' line='1725' column='1'/>
+        <parameter type-id='2665334e' name='mode' filepath='fs/block_dev.c' line='1725' column='1'/>
+        <parameter type-id='eaa32e2f' name='holder' filepath='fs/block_dev.c' line='1725' column='1'/>
+        <return type-id='b88dd945'/>
+      </function-decl>
+      <function-decl name='blkdev_get_by_path' mangled-name='blkdev_get_by_path' filepath='fs/block_dev.c' line='1680' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_get_by_path'>
+        <parameter type-id='80f4b756' name='path' filepath='fs/block_dev.c' line='1680' column='1'/>
+        <parameter type-id='2665334e' name='mode' filepath='fs/block_dev.c' line='1680' column='1'/>
+        <parameter type-id='eaa32e2f' name='holder' filepath='fs/block_dev.c' line='1681' column='1'/>
+        <return type-id='b88dd945'/>
+      </function-decl>
+      <function-decl name='blkdev_put' mangled-name='blkdev_put' filepath='fs/block_dev.c' line='1819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_put'>
+        <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='1819' column='1'/>
+        <parameter type-id='2665334e' name='mode' filepath='fs/block_dev.c' line='1819' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='blkg_lookup_slowpath' mangled-name='blkg_lookup_slowpath' filepath='block/blk-cgroup.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkg_lookup_slowpath'>
+        <parameter type-id='11bff950' name='blkcg' filepath='block/blk-cgroup.c' line='204' column='1'/>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-cgroup.c' line='205' column='1'/>
+        <parameter type-id='b50a4934' name='update_hint' filepath='block/blk-cgroup.c' line='205' column='1'/>
+        <return type-id='1146dea3'/>
+      </function-decl>
+      <function-decl name='blocking_notifier_call_chain' mangled-name='blocking_notifier_call_chain' filepath='kernel/notifier.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blocking_notifier_call_chain'>
+        <parameter type-id='282b7312' name='nh' filepath='kernel/notifier.c' line='325' column='1'/>
+        <parameter type-id='7359adad' name='val' filepath='kernel/notifier.c' line='326' column='1'/>
+        <parameter type-id='eaa32e2f' name='v' filepath='kernel/notifier.c' line='326' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blocking_notifier_chain_register' mangled-name='blocking_notifier_chain_register' filepath='kernel/notifier.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blocking_notifier_chain_register'>
+        <parameter type-id='282b7312' name='nh' filepath='kernel/notifier.c' line='240' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='241' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='blocking_notifier_chain_unregister' mangled-name='blocking_notifier_chain_unregister' filepath='kernel/notifier.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blocking_notifier_chain_unregister'>
+        <parameter type-id='282b7312' name='nh' filepath='kernel/notifier.c' line='270' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='271' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bpf_dispatcher_xdp_func' mangled-name='bpf_dispatcher_xdp_func' filepath='net/core/filter.c' line='10362' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_dispatcher_xdp_func'>
+        <parameter type-id='eaa32e2f' name='ctx' filepath='net/core/filter.c' line='10362' column='1'/>
+        <parameter type-id='acada613' name='insnsi' filepath='net/core/filter.c' line='10362' column='1'/>
+        <parameter type-id='531a7450' name='bpf_func' filepath='net/core/filter.c' line='10362' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='bpf_prog_add' mangled-name='bpf_prog_add' filepath='kernel/bpf/syscall.c' line='1878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_prog_add'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/bpf/syscall.c' line='1878' column='1'/>
+        <parameter type-id='95e97e5e' name='i' filepath='kernel/bpf/syscall.c' line='1878' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_prog_put' mangled-name='bpf_prog_put' filepath='kernel/bpf/syscall.c' line='1780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_prog_put'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/bpf/syscall.c' line='1780' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_prog_sub' mangled-name='bpf_prog_sub' filepath='kernel/bpf/syscall.c' line='1884' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_prog_sub'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/bpf/syscall.c' line='1884' column='1'/>
+        <parameter type-id='95e97e5e' name='i' filepath='kernel/bpf/syscall.c' line='1884' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='bpf_stats_enabled_key' type-id='237c0d27' mangled-name='bpf_stats_enabled_key' visibility='default' filepath='kernel/bpf/core.c' line='2354' column='1' elf-symbol-id='bpf_stats_enabled_key'/>
+      <function-decl name='bpf_trace_run1' mangled-name='bpf_trace_run1' filepath='kernel/trace/bpf_trace.c' line='2097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run1'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2097' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2097' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run10' mangled-name='bpf_trace_run10' filepath='kernel/trace/bpf_trace.c' line='2106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run10'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <parameter type-id='91ce1af9' name='arg9' filepath='kernel/trace/bpf_trace.c' line='2106' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run11' mangled-name='bpf_trace_run11' filepath='kernel/trace/bpf_trace.c' line='2107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run11'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg9' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <parameter type-id='91ce1af9' name='arg10' filepath='kernel/trace/bpf_trace.c' line='2107' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run12' mangled-name='bpf_trace_run12' filepath='kernel/trace/bpf_trace.c' line='2108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run12'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg9' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg10' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <parameter type-id='91ce1af9' name='arg11' filepath='kernel/trace/bpf_trace.c' line='2108' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run2' mangled-name='bpf_trace_run2' filepath='kernel/trace/bpf_trace.c' line='2098' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run2'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2098' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2098' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2098' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run3' mangled-name='bpf_trace_run3' filepath='kernel/trace/bpf_trace.c' line='2099' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run3'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2099' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2099' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2099' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2099' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run4' mangled-name='bpf_trace_run4' filepath='kernel/trace/bpf_trace.c' line='2100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run4'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2100' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2100' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2100' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2100' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2100' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run5' mangled-name='bpf_trace_run5' filepath='kernel/trace/bpf_trace.c' line='2101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run5'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2101' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2101' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2101' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2101' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2101' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2101' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run6' mangled-name='bpf_trace_run6' filepath='kernel/trace/bpf_trace.c' line='2102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run6'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2102' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2102' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2102' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2102' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2102' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2102' column='1'/>
+        <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2102' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run7' mangled-name='bpf_trace_run7' filepath='kernel/trace/bpf_trace.c' line='2103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run7'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2103' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run8' mangled-name='bpf_trace_run8' filepath='kernel/trace/bpf_trace.c' line='2104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run8'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2104' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_trace_run9' mangled-name='bpf_trace_run9' filepath='kernel/trace/bpf_trace.c' line='2105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run9'>
+        <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2105' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bpf_warn_invalid_xdp_action' mangled-name='bpf_warn_invalid_xdp_action' filepath='net/core/filter.c' line='7975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_warn_invalid_xdp_action'>
+        <parameter type-id='19c2251e' name='act' filepath='net/core/filter.c' line='7975' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bsearch' mangled-name='bsearch' filepath='lib/bsearch.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bsearch'>
+        <parameter type-id='eaa32e2f' name='key' filepath='lib/bsearch.c' line='31' column='1'/>
+        <parameter type-id='eaa32e2f' name='base' filepath='lib/bsearch.c' line='31' column='1'/>
+        <parameter type-id='b59d7dce' name='num' filepath='lib/bsearch.c' line='31' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/bsearch.c' line='31' column='1'/>
+        <parameter type-id='a08bda3c' name='cmp' filepath='lib/bsearch.c' line='31' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='bt_err' mangled-name='bt_err' filepath='net/bluetooth/lib.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_err'>
+        <parameter type-id='80f4b756' name='format' filepath='net/bluetooth/lib.c' line='170' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bt_info' mangled-name='bt_info' filepath='net/bluetooth/lib.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_info'>
+        <parameter type-id='80f4b756' name='format' filepath='net/bluetooth/lib.c' line='138' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bt_to_errno' mangled-name='bt_to_errno' filepath='net/bluetooth/lib.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_to_errno'>
+        <parameter type-id='d315442e' name='code' filepath='net/bluetooth/lib.c' line='45' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bt_warn' mangled-name='bt_warn' filepath='net/bluetooth/lib.c' line='154' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_warn'>
+        <parameter type-id='80f4b756' name='format' filepath='net/bluetooth/lib.c' line='154' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='btbcm_set_bdaddr' mangled-name='btbcm_set_bdaddr' filepath='drivers/bluetooth/btbcm.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='btbcm_set_bdaddr'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='drivers/bluetooth/btbcm.c' line='142' column='1'/>
+        <parameter type-id='c3e18af8' name='bdaddr' filepath='drivers/bluetooth/btbcm.c' line='142' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='btbcm_setup_apple' mangled-name='btbcm_setup_apple' filepath='drivers/bluetooth/btbcm.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='btbcm_setup_apple'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='drivers/bluetooth/btbcm.c' line='614' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='btbcm_setup_patchram' mangled-name='btbcm_setup_patchram' filepath='drivers/bluetooth/btbcm.c' line='599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='btbcm_setup_patchram'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='drivers/bluetooth/btbcm.c' line='599' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='build_skb' mangled-name='build_skb' filepath='net/core/skbuff.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='build_skb'>
+        <parameter type-id='eaa32e2f' name='data' filepath='net/core/skbuff.c' line='331' column='1'/>
+        <parameter type-id='f0981eeb' name='frag_size' filepath='net/core/skbuff.c' line='331' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='bus_find_device' mangled-name='bus_find_device' filepath='drivers/base/bus.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_find_device'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='326' column='1'/>
+        <parameter type-id='fa0b179b' name='start' filepath='drivers/base/bus.c' line='327' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/bus.c' line='327' column='1'/>
+        <parameter type-id='92d15ae9' name='match' filepath='drivers/base/bus.c' line='328' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='bus_for_each_dev' mangled-name='bus_for_each_dev' filepath='drivers/base/bus.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_for_each_dev'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='292' column='1'/>
+        <parameter type-id='fa0b179b' name='start' filepath='drivers/base/bus.c' line='292' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/bus.c' line='293' column='1'/>
+        <parameter type-id='92d15ae9' name='fn' filepath='drivers/base/bus.c' line='293' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bus_for_each_drv' mangled-name='bus_for_each_drv' filepath='drivers/base/bus.c' line='418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_for_each_drv'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='418' column='1'/>
+        <parameter type-id='00c7b870' name='start' filepath='drivers/base/bus.c' line='418' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/bus.c' line='419' column='1'/>
+        <parameter type-id='24a62f42' name='fn' filepath='drivers/base/bus.c' line='419' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bus_register' mangled-name='bus_register' filepath='drivers/base/bus.c' line='804' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_register'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='804' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bus_register_notifier' mangled-name='bus_register_notifier' filepath='drivers/base/bus.c' line='903' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_register_notifier'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='903' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/base/bus.c' line='903' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bus_set_iommu' mangled-name='bus_set_iommu' filepath='drivers/iommu/iommu.c' line='1859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_set_iommu'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/iommu/iommu.c' line='1859' column='1'/>
+        <parameter type-id='f1ac64d0' name='ops' filepath='drivers/iommu/iommu.c' line='1859' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='bus_unregister' mangled-name='bus_unregister' filepath='drivers/base/bus.c' line='889' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_unregister'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='889' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='bus_unregister_notifier' mangled-name='bus_unregister_notifier' filepath='drivers/base/bus.c' line='909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_unregister_notifier'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='909' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/base/bus.c' line='909' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cache_line_size' mangled-name='cache_line_size' filepath='arch/arm64/kernel/cacheinfo.c' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cache_line_size'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='call_netdevice_notifiers' mangled-name='call_netdevice_notifiers' filepath='net/core/dev.c' line='2078' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='call_netdevice_notifiers'>
+        <parameter type-id='7359adad' name='val' filepath='net/core/dev.c' line='2078' column='1'/>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='2078' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='call_rcu' mangled-name='call_rcu' filepath='kernel/rcu/tree.c' line='3048' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='call_rcu'>
+        <parameter type-id='69c138b1' name='head' filepath='kernel/rcu/tree.c' line='3048' column='1'/>
+        <parameter type-id='4edd56e3' name='func' filepath='kernel/rcu/tree.c' line='3048' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='can_change_mtu' mangled-name='can_change_mtu' filepath='drivers/net/can/dev/dev.c' line='809' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_change_mtu'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='809' column='1'/>
+        <parameter type-id='95e97e5e' name='new_mtu' filepath='drivers/net/can/dev/dev.c' line='809' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='can_free_echo_skb' mangled-name='can_free_echo_skb' filepath='drivers/net/can/dev/dev.c' line='559' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_free_echo_skb'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='559' column='1'/>
+        <parameter type-id='f0981eeb' name='idx' filepath='drivers/net/can/dev/dev.c' line='559' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='can_get_echo_skb' mangled-name='can_get_echo_skb' filepath='drivers/net/can/dev/dev.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_get_echo_skb'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='536' column='1'/>
+        <parameter type-id='f0981eeb' name='idx' filepath='drivers/net/can/dev/dev.c' line='536' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='can_put_echo_skb' mangled-name='can_put_echo_skb' filepath='drivers/net/can/dev/dev.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_put_echo_skb'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/can/dev/dev.c' line='460' column='1'/>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='460' column='1'/>
+        <parameter type-id='f0981eeb' name='idx' filepath='drivers/net/can/dev/dev.c' line='461' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cancel_delayed_work' mangled-name='cancel_delayed_work' filepath='kernel/workqueue.c' line='3287' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cancel_delayed_work'>
+        <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='3287' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cancel_delayed_work_sync' mangled-name='cancel_delayed_work_sync' filepath='kernel/workqueue.c' line='3302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cancel_delayed_work_sync'>
+        <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='3302' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cancel_work_sync' mangled-name='cancel_work_sync' filepath='kernel/workqueue.c' line='3197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cancel_work_sync'>
+        <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='3197' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='capable' mangled-name='capable' filepath='kernel/capability.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='capable'>
+        <parameter type-id='95e97e5e' name='cap' filepath='kernel/capability.c' line='447' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cdc_ncm_bind_common' mangled-name='cdc_ncm_bind_common' filepath='drivers/net/usb/cdc_ncm.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_bind_common'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/cdc_ncm.c' line='807' column='1'/>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/cdc_ncm.c' line='807' column='1'/>
+        <parameter type-id='f9b06939' name='data_altsetting' filepath='drivers/net/usb/cdc_ncm.c' line='807' column='1'/>
+        <parameter type-id='95e97e5e' name='drvflags' filepath='drivers/net/usb/cdc_ncm.c' line='807' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cdc_ncm_change_mtu' mangled-name='cdc_ncm_change_mtu' filepath='drivers/net/usb/cdc_ncm.c' line='784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_change_mtu'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/cdc_ncm.c' line='784' column='1'/>
+        <parameter type-id='95e97e5e' name='new_mtu' filepath='drivers/net/usb/cdc_ncm.c' line='784' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cdc_ncm_fill_tx_frame' mangled-name='cdc_ncm_fill_tx_frame' filepath='drivers/net/usb/cdc_ncm.c' line='1186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_fill_tx_frame'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/cdc_ncm.c' line='1186' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/usb/cdc_ncm.c' line='1186' column='1'/>
+        <parameter type-id='2f162548' name='sign' filepath='drivers/net/usb/cdc_ncm.c' line='1186' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='cdc_ncm_rx_verify_ndp16' mangled-name='cdc_ncm_rx_verify_ndp16' filepath='drivers/net/usb/cdc_ncm.c' line='1636' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_rx_verify_ndp16'>
+        <parameter type-id='0fbf3cfd' name='skb_in' filepath='drivers/net/usb/cdc_ncm.c' line='1636' column='1'/>
+        <parameter type-id='95e97e5e' name='ndpoffset' filepath='drivers/net/usb/cdc_ncm.c' line='1636' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cdc_ncm_rx_verify_nth16' mangled-name='cdc_ncm_rx_verify_nth16' filepath='drivers/net/usb/cdc_ncm.c' line='1539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_rx_verify_nth16'>
+        <parameter type-id='c786c422' name='ctx' filepath='drivers/net/usb/cdc_ncm.c' line='1539' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb_in' filepath='drivers/net/usb/cdc_ncm.c' line='1539' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cdc_ncm_select_altsetting' mangled-name='cdc_ncm_select_altsetting' filepath='drivers/net/usb/cdc_ncm.c' line='1018' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_select_altsetting'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/cdc_ncm.c' line='1018' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='cdc_ncm_unbind' mangled-name='cdc_ncm_unbind' filepath='drivers/net/usb/cdc_ncm.c' line='980' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_unbind'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/cdc_ncm.c' line='980' column='1'/>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/cdc_ncm.c' line='980' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cdc_parse_cdc_header' mangled-name='cdc_parse_cdc_header' filepath='drivers/usb/core/message.c' line='2274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_parse_cdc_header'>
+        <parameter type-id='16f45b2c' name='hdr' filepath='drivers/usb/core/message.c' line='2274' column='1'/>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/message.c' line='2275' column='1'/>
+        <parameter type-id='8bff8096' name='buffer' filepath='drivers/usb/core/message.c' line='2276' column='1'/>
+        <parameter type-id='95e97e5e' name='buflen' filepath='drivers/usb/core/message.c' line='2277' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cdev_add' mangled-name='cdev_add' filepath='fs/char_dev.c' line='479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_add'>
+        <parameter type-id='3e6eb939' name='p' filepath='fs/char_dev.c' line='479' column='1'/>
+        <parameter type-id='8504f260' name='dev' filepath='fs/char_dev.c' line='479' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='479' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cdev_alloc' mangled-name='cdev_alloc' filepath='fs/char_dev.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_alloc'>
+        <return type-id='3e6eb939'/>
+      </function-decl>
+      <function-decl name='cdev_del' mangled-name='cdev_del' filepath='fs/char_dev.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_del'>
+        <parameter type-id='3e6eb939' name='p' filepath='fs/char_dev.c' line='594' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cdev_device_add' mangled-name='cdev_device_add' filepath='fs/char_dev.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_device_add'>
+        <parameter type-id='3e6eb939' name='cdev' filepath='fs/char_dev.c' line='537' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='fs/char_dev.c' line='537' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cdev_device_del' mangled-name='cdev_device_del' filepath='fs/char_dev.c' line='571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_device_del'>
+        <parameter type-id='3e6eb939' name='cdev' filepath='fs/char_dev.c' line='571' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='fs/char_dev.c' line='571' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cdev_init' mangled-name='cdev_init' filepath='fs/char_dev.c' line='651' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_init'>
+        <parameter type-id='3e6eb939' name='cdev' filepath='fs/char_dev.c' line='651' column='1'/>
+        <parameter type-id='61758ee5' name='fops' filepath='fs/char_dev.c' line='651' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ce_aes_expandkey' mangled-name='ce_aes_expandkey' filepath='arch/arm64/crypto/aes-ce-glue.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ce_aes_expandkey'>
+        <parameter type-id='21370cb4' name='ctx' filepath='arch/arm64/crypto/aes-ce-glue.c' line='74' column='1'/>
+        <parameter type-id='bbaf3419' name='in_key' filepath='arch/arm64/crypto/aes-ce-glue.c' line='74' column='1'/>
+        <parameter type-id='f0981eeb' name='key_len' filepath='arch/arm64/crypto/aes-ce-glue.c' line='75' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cec_allocate_adapter' mangled-name='cec_allocate_adapter' filepath='drivers/media/cec/core/cec-core.c' line='235' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_allocate_adapter'>
+        <parameter type-id='4bc4fd45' name='ops' filepath='drivers/media/cec/core/cec-core.c' line='235' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/cec/core/cec-core.c' line='236' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/media/cec/core/cec-core.c' line='236' column='1'/>
+        <parameter type-id='19c2251e' name='caps' filepath='drivers/media/cec/core/cec-core.c' line='236' column='1'/>
+        <parameter type-id='f9b06939' name='available_las' filepath='drivers/media/cec/core/cec-core.c' line='237' column='1'/>
+        <return type-id='b94a2f7c'/>
+      </function-decl>
+      <function-decl name='cec_delete_adapter' mangled-name='cec_delete_adapter' filepath='drivers/media/cec/core/cec-core.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_delete_adapter'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-core.c' line='395' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_fill_conn_info_from_drm' mangled-name='cec_fill_conn_info_from_drm' filepath='drivers/media/cec/core/cec-adap.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_fill_conn_info_from_drm'>
+        <parameter type-id='aa4339b3' name='conn_info' filepath='drivers/media/cec/core/cec-adap.c' line='81' column='1'/>
+        <parameter type-id='0e1f87e5' name='connector' filepath='drivers/media/cec/core/cec-adap.c' line='82' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_notifier_cec_adap_register' mangled-name='cec_notifier_cec_adap_register' filepath='drivers/media/cec/core/cec-notifier.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_cec_adap_register'>
+        <parameter type-id='fa0b179b' name='hdmi_dev' filepath='drivers/media/cec/core/cec-notifier.c' line='147' column='1'/>
+        <parameter type-id='80f4b756' name='port_name' filepath='drivers/media/cec/core/cec-notifier.c' line='147' column='1'/>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-notifier.c' line='148' column='1'/>
+        <return type-id='33ceb73d'/>
+      </function-decl>
+      <function-decl name='cec_notifier_cec_adap_unregister' mangled-name='cec_notifier_cec_adap_unregister' filepath='drivers/media/cec/core/cec-notifier.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_cec_adap_unregister'>
+        <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='170' column='1'/>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-notifier.c' line='171' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_notifier_conn_register' mangled-name='cec_notifier_conn_register' filepath='drivers/media/cec/core/cec-notifier.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_conn_register'>
+        <parameter type-id='fa0b179b' name='hdmi_dev' filepath='drivers/media/cec/core/cec-notifier.c' line='104' column='1'/>
+        <parameter type-id='80f4b756' name='port_name' filepath='drivers/media/cec/core/cec-notifier.c' line='104' column='1'/>
+        <parameter type-id='412c012c' name='conn_info' filepath='drivers/media/cec/core/cec-notifier.c' line='105' column='1'/>
+        <return type-id='33ceb73d'/>
+      </function-decl>
+      <function-decl name='cec_notifier_conn_unregister' mangled-name='cec_notifier_conn_unregister' filepath='drivers/media/cec/core/cec-notifier.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_conn_unregister'>
+        <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='128' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_notifier_set_phys_addr' mangled-name='cec_notifier_set_phys_addr' filepath='drivers/media/cec/core/cec-notifier.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_set_phys_addr'>
+        <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='184' column='1'/>
+        <parameter type-id='1dc6a898' name='pa' filepath='drivers/media/cec/core/cec-notifier.c' line='184' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_notifier_set_phys_addr_from_edid' mangled-name='cec_notifier_set_phys_addr_from_edid' filepath='drivers/media/cec/core/cec-notifier.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_set_phys_addr_from_edid'>
+        <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='197' column='1'/>
+        <parameter type-id='776adf76' name='edid' filepath='drivers/media/cec/core/cec-notifier.c' line='198' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_queue_pin_hpd_event' mangled-name='cec_queue_pin_hpd_event' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_queue_pin_hpd_event'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1'/>
+        <parameter type-id='b50a4934' name='is_high' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1'/>
+        <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_received_msg_ts' mangled-name='cec_received_msg_ts' filepath='drivers/media/cec/core/cec-adap.c' line='1041' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_received_msg_ts'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1041' column='1'/>
+        <parameter type-id='ffb3cc6e' name='msg' filepath='drivers/media/cec/core/cec-adap.c' line='1042' column='1'/>
+        <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='1042' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_register_adapter' mangled-name='cec_register_adapter' filepath='drivers/media/cec/core/cec-core.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_register_adapter'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-core.c' line='318' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/media/cec/core/cec-core.c' line='319' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cec_s_log_addrs' mangled-name='cec_s_log_addrs' filepath='drivers/media/cec/core/cec-adap.c' line='1817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_s_log_addrs'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1817' column='1'/>
+        <parameter type-id='ebc04a66' name='log_addrs' filepath='drivers/media/cec/core/cec-adap.c' line='1818' column='1'/>
+        <parameter type-id='b50a4934' name='block' filepath='drivers/media/cec/core/cec-adap.c' line='1818' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cec_s_phys_addr' mangled-name='cec_s_phys_addr' filepath='drivers/media/cec/core/cec-adap.c' line='1613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_s_phys_addr'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1613' column='1'/>
+        <parameter type-id='1dc6a898' name='phys_addr' filepath='drivers/media/cec/core/cec-adap.c' line='1613' column='1'/>
+        <parameter type-id='b50a4934' name='block' filepath='drivers/media/cec/core/cec-adap.c' line='1613' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_s_phys_addr_from_edid' mangled-name='cec_s_phys_addr_from_edid' filepath='drivers/media/cec/core/cec-adap.c' line='1624' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_s_phys_addr_from_edid'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1624' column='1'/>
+        <parameter type-id='776adf76' name='edid' filepath='drivers/media/cec/core/cec-adap.c' line='1625' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_transmit_attempt_done_ts' mangled-name='cec_transmit_attempt_done_ts' filepath='drivers/media/cec/core/cec-adap.c' line='690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_transmit_attempt_done_ts'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='690' column='1'/>
+        <parameter type-id='f9b06939' name='status' filepath='drivers/media/cec/core/cec-adap.c' line='691' column='1'/>
+        <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='691' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_transmit_done_ts' mangled-name='cec_transmit_done_ts' filepath='drivers/media/cec/core/cec-adap.c' line='593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_transmit_done_ts'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='593' column='1'/>
+        <parameter type-id='f9b06939' name='status' filepath='drivers/media/cec/core/cec-adap.c' line='593' column='1'/>
+        <parameter type-id='f9b06939' name='arb_lost_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='594' column='1'/>
+        <parameter type-id='f9b06939' name='nack_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='594' column='1'/>
+        <parameter type-id='f9b06939' name='low_drive_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='594' column='1'/>
+        <parameter type-id='f9b06939' name='error_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='595' column='1'/>
+        <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='595' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cec_unregister_adapter' mangled-name='cec_unregister_adapter' filepath='drivers/media/cec/core/cec-core.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_unregister_adapter'>
+        <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-core.c' line='377' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_assoc_timeout' mangled-name='cfg80211_assoc_timeout' filepath='net/wireless/mlme.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_assoc_timeout'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/mlme.c' line='155' column='1'/>
+        <parameter type-id='bda81d86' name='bss' filepath='net/wireless/mlme.c' line='155' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_auth_timeout' mangled-name='cfg80211_auth_timeout' filepath='net/wireless/mlme.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_auth_timeout'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/mlme.c' line='142' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/wireless/mlme.c' line='142' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_cac_event' mangled-name='cfg80211_cac_event' filepath='net/wireless/mlme.c' line='927' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_cac_event'>
+        <parameter type-id='68a2d05b' name='netdev' filepath='net/wireless/mlme.c' line='927' column='1'/>
+        <parameter type-id='af471177' name='chandef' filepath='net/wireless/mlme.c' line='928' column='1'/>
+        <parameter type-id='e237215a' name='event' filepath='net/wireless/mlme.c' line='929' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/mlme.c' line='929' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_calculate_bitrate' mangled-name='cfg80211_calculate_bitrate' filepath='net/wireless/util.c' line='1402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_calculate_bitrate'>
+        <parameter type-id='185e765a' name='rate' filepath='net/wireless/util.c' line='1402' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='cfg80211_ch_switch_notify' mangled-name='cfg80211_ch_switch_notify' filepath='net/wireless/nl80211.c' line='17141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_ch_switch_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='17141' column='1'/>
+        <parameter type-id='0953fbfe' name='chandef' filepath='net/wireless/nl80211.c' line='17142' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_ch_switch_started_notify' mangled-name='cfg80211_ch_switch_started_notify' filepath='net/wireless/nl80211.c' line='17167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_ch_switch_started_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='17167' column='1'/>
+        <parameter type-id='0953fbfe' name='chandef' filepath='net/wireless/nl80211.c' line='17168' column='1'/>
+        <parameter type-id='f9b06939' name='count' filepath='net/wireless/nl80211.c' line='17169' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_chandef_create' mangled-name='cfg80211_chandef_create' filepath='net/wireless/chan.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_chandef_create'>
+        <parameter type-id='0953fbfe' name='chandef' filepath='net/wireless/chan.c' line='23' column='1'/>
+        <parameter type-id='ec00acfb' name='chan' filepath='net/wireless/chan.c' line='24' column='1'/>
+        <parameter type-id='9e446de7' name='chan_type' filepath='net/wireless/chan.c' line='25' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_chandef_valid' mangled-name='cfg80211_chandef_valid' filepath='net/wireless/chan.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_chandef_valid'>
+        <parameter type-id='af471177' name='chandef' filepath='net/wireless/chan.c' line='196' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cfg80211_check_combinations' mangled-name='cfg80211_check_combinations' filepath='net/wireless/util.c' line='1935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_check_combinations'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/util.c' line='1935' column='1'/>
+        <parameter type-id='fdbd129e' name='params' filepath='net/wireless/util.c' line='1936' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cfg80211_classify8021d' mangled-name='cfg80211_classify8021d' filepath='net/wireless/util.c' line='832' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_classify8021d'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/wireless/util.c' line='832' column='1'/>
+        <parameter type-id='794da86a' name='qos_map' filepath='net/wireless/util.c' line='833' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cfg80211_conn_failed' mangled-name='cfg80211_conn_failed' filepath='net/wireless/nl80211.c' line='16543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_conn_failed'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16543' column='1'/>
+        <parameter type-id='bbaf3419' name='mac_addr' filepath='net/wireless/nl80211.c' line='16543' column='1'/>
+        <parameter type-id='001e6d82' name='reason' filepath='net/wireless/nl80211.c' line='16544' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16545' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_connect_done' mangled-name='cfg80211_connect_done' filepath='net/wireless/sme.c' line='801' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_connect_done'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/sme.c' line='801' column='1'/>
+        <parameter type-id='b1d9990a' name='params' filepath='net/wireless/sme.c' line='802' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/sme.c' line='803' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_cqm_beacon_loss_notify' mangled-name='cfg80211_cqm_beacon_loss_notify' filepath='net/wireless/nl80211.c' line='16970' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_cqm_beacon_loss_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16970' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16970' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_cqm_pktloss_notify' mangled-name='cfg80211_cqm_pktloss_notify' filepath='net/wireless/nl80211.c' line='16948' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_cqm_pktloss_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16948' column='1'/>
+        <parameter type-id='bbaf3419' name='peer' filepath='net/wireless/nl80211.c' line='16949' column='1'/>
+        <parameter type-id='19c2251e' name='num_packets' filepath='net/wireless/nl80211.c' line='16949' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16949' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_cqm_rssi_notify' mangled-name='cfg80211_cqm_rssi_notify' filepath='net/wireless/nl80211.c' line='16877' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_cqm_rssi_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16877' column='1'/>
+        <parameter type-id='b8189423' name='rssi_event' filepath='net/wireless/nl80211.c' line='16878' column='1'/>
+        <parameter type-id='a7832498' name='rssi_level' filepath='net/wireless/nl80211.c' line='16879' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16879' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_cqm_txe_notify' mangled-name='cfg80211_cqm_txe_notify' filepath='net/wireless/nl80211.c' line='16921' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_cqm_txe_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16921' column='1'/>
+        <parameter type-id='bbaf3419' name='peer' filepath='net/wireless/nl80211.c' line='16922' column='1'/>
+        <parameter type-id='19c2251e' name='num_packets' filepath='net/wireless/nl80211.c' line='16922' column='1'/>
+        <parameter type-id='19c2251e' name='rate' filepath='net/wireless/nl80211.c' line='16923' column='1'/>
+        <parameter type-id='19c2251e' name='intvl' filepath='net/wireless/nl80211.c' line='16923' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16923' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_del_sta_sinfo' mangled-name='cfg80211_del_sta_sinfo' filepath='net/wireless/nl80211.c' line='16513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_del_sta_sinfo'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16513' column='1'/>
+        <parameter type-id='bbaf3419' name='mac_addr' filepath='net/wireless/nl80211.c' line='16513' column='1'/>
+        <parameter type-id='7af1dc96' name='sinfo' filepath='net/wireless/nl80211.c' line='16514' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16514' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_disconnected' mangled-name='cfg80211_disconnected' filepath='net/wireless/sme.c' line='1154' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_disconnected'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/sme.c' line='1154' column='1'/>
+        <parameter type-id='1dc6a898' name='reason' filepath='net/wireless/sme.c' line='1154' column='1'/>
+        <parameter type-id='bbaf3419' name='ie' filepath='net/wireless/sme.c' line='1155' column='1'/>
+        <parameter type-id='b59d7dce' name='ie_len' filepath='net/wireless/sme.c' line='1155' column='1'/>
+        <parameter type-id='b50a4934' name='locally_generated' filepath='net/wireless/sme.c' line='1156' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/sme.c' line='1156' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_external_auth_request' mangled-name='cfg80211_external_auth_request' filepath='net/wireless/nl80211.c' line='17767' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_external_auth_request'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='17767' column='1'/>
+        <parameter type-id='2b041d55' name='params' filepath='net/wireless/nl80211.c' line='17768' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='17769' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cfg80211_find_elem_match' mangled-name='cfg80211_find_elem_match' filepath='net/wireless/scan.c' line='1268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_find_elem_match'>
+        <parameter type-id='f9b06939' name='eid' filepath='net/wireless/scan.c' line='1268' column='1'/>
+        <parameter type-id='bbaf3419' name='ies' filepath='net/wireless/scan.c' line='1268' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/wireless/scan.c' line='1268' column='1'/>
+        <parameter type-id='bbaf3419' name='match' filepath='net/wireless/scan.c' line='1269' column='1'/>
+        <parameter type-id='f0981eeb' name='match_len' filepath='net/wireless/scan.c' line='1269' column='1'/>
+        <parameter type-id='f0981eeb' name='match_offset' filepath='net/wireless/scan.c' line='1270' column='1'/>
+        <return type-id='aa7ca86a'/>
+      </function-decl>
+      <function-decl name='cfg80211_find_vendor_elem' mangled-name='cfg80211_find_vendor_elem' filepath='net/wireless/scan.c' line='1284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_find_vendor_elem'>
+        <parameter type-id='f0981eeb' name='oui' filepath='net/wireless/scan.c' line='1284' column='1'/>
+        <parameter type-id='95e97e5e' name='oui_type' filepath='net/wireless/scan.c' line='1284' column='1'/>
+        <parameter type-id='bbaf3419' name='ies' filepath='net/wireless/scan.c' line='1285' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/wireless/scan.c' line='1286' column='1'/>
+        <return type-id='aa7ca86a'/>
+      </function-decl>
+      <function-decl name='cfg80211_ft_event' mangled-name='cfg80211_ft_event' filepath='net/wireless/nl80211.c' line='17655' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_ft_event'>
+        <parameter type-id='68a2d05b' name='netdev' filepath='net/wireless/nl80211.c' line='17655' column='1'/>
+        <parameter type-id='76db5996' name='ft_event' filepath='net/wireless/nl80211.c' line='17656' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_get_bss' mangled-name='cfg80211_get_bss' filepath='net/wireless/scan.c' line='1464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_get_bss'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='1464' column='1'/>
+        <parameter type-id='ec00acfb' name='channel' filepath='net/wireless/scan.c' line='1465' column='1'/>
+        <parameter type-id='bbaf3419' name='bssid' filepath='net/wireless/scan.c' line='1466' column='1'/>
+        <parameter type-id='bbaf3419' name='ssid' filepath='net/wireless/scan.c' line='1467' column='1'/>
+        <parameter type-id='b59d7dce' name='ssid_len' filepath='net/wireless/scan.c' line='1467' column='1'/>
+        <parameter type-id='cb952348' name='bss_type' filepath='net/wireless/scan.c' line='1468' column='1'/>
+        <parameter type-id='d2b455cb' name='privacy' filepath='net/wireless/scan.c' line='1469' column='1'/>
+        <return type-id='bda81d86'/>
+      </function-decl>
+      <function-decl name='cfg80211_gtk_rekey_notify' mangled-name='cfg80211_gtk_rekey_notify' filepath='net/wireless/nl80211.c' line='17032' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_gtk_rekey_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='17032' column='1'/>
+        <parameter type-id='bbaf3419' name='bssid' filepath='net/wireless/nl80211.c' line='17032' column='1'/>
+        <parameter type-id='bbaf3419' name='replay_ctr' filepath='net/wireless/nl80211.c' line='17033' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='17033' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_ibss_joined' mangled-name='cfg80211_ibss_joined' filepath='net/wireless/ibss.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_ibss_joined'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/ibss.c' line='59' column='1'/>
+        <parameter type-id='bbaf3419' name='bssid' filepath='net/wireless/ibss.c' line='59' column='1'/>
+        <parameter type-id='ec00acfb' name='channel' filepath='net/wireless/ibss.c' line='60' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/ibss.c' line='60' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_inform_bss_data' mangled-name='cfg80211_inform_bss_data' filepath='net/wireless/scan.c' line='2238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_inform_bss_data'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='2238' column='1'/>
+        <parameter type-id='6ff43814' name='data' filepath='net/wireless/scan.c' line='2239' column='1'/>
+        <parameter type-id='b556f108' name='ftype' filepath='net/wireless/scan.c' line='2240' column='1'/>
+        <parameter type-id='bbaf3419' name='bssid' filepath='net/wireless/scan.c' line='2241' column='1'/>
+        <parameter type-id='91ce1af9' name='tsf' filepath='net/wireless/scan.c' line='2241' column='1'/>
+        <parameter type-id='1dc6a898' name='capability' filepath='net/wireless/scan.c' line='2241' column='1'/>
+        <parameter type-id='1dc6a898' name='beacon_interval' filepath='net/wireless/scan.c' line='2242' column='1'/>
+        <parameter type-id='bbaf3419' name='ie' filepath='net/wireless/scan.c' line='2242' column='1'/>
+        <parameter type-id='b59d7dce' name='ielen' filepath='net/wireless/scan.c' line='2242' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/scan.c' line='2243' column='1'/>
+        <return type-id='bda81d86'/>
+      </function-decl>
+      <function-decl name='cfg80211_inform_bss_frame_data' mangled-name='cfg80211_inform_bss_frame_data' filepath='net/wireless/scan.c' line='2499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_inform_bss_frame_data'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='2499' column='1'/>
+        <parameter type-id='6ff43814' name='data' filepath='net/wireless/scan.c' line='2500' column='1'/>
+        <parameter type-id='57a568d1' name='mgmt' filepath='net/wireless/scan.c' line='2501' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/scan.c' line='2501' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/scan.c' line='2502' column='1'/>
+        <return type-id='bda81d86'/>
+      </function-decl>
+      <function-decl name='cfg80211_mgmt_tx_status' mangled-name='cfg80211_mgmt_tx_status' filepath='net/wireless/nl80211.c' line='16753' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_mgmt_tx_status'>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/nl80211.c' line='16753' column='1'/>
+        <parameter type-id='91ce1af9' name='cookie' filepath='net/wireless/nl80211.c' line='16753' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='net/wireless/nl80211.c' line='16754' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/nl80211.c' line='16754' column='1'/>
+        <parameter type-id='b50a4934' name='ack' filepath='net/wireless/nl80211.c' line='16754' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16754' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_michael_mic_failure' mangled-name='cfg80211_michael_mic_failure' filepath='net/wireless/mlme.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_michael_mic_failure'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/mlme.c' line='202' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/wireless/mlme.c' line='202' column='1'/>
+        <parameter type-id='fa66a097' name='key_type' filepath='net/wireless/mlme.c' line='203' column='1'/>
+        <parameter type-id='95e97e5e' name='key_id' filepath='net/wireless/mlme.c' line='203' column='1'/>
+        <parameter type-id='bbaf3419' name='tsc' filepath='net/wireless/mlme.c' line='204' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/mlme.c' line='204' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_new_sta' mangled-name='cfg80211_new_sta' filepath='net/wireless/nl80211.c' line='16489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_new_sta'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16489' column='1'/>
+        <parameter type-id='bbaf3419' name='mac_addr' filepath='net/wireless/nl80211.c' line='16489' column='1'/>
+        <parameter type-id='7af1dc96' name='sinfo' filepath='net/wireless/nl80211.c' line='16490' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16490' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_notify_new_peer_candidate' mangled-name='cfg80211_notify_new_peer_candidate' filepath='net/wireless/nl80211.c' line='16267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_notify_new_peer_candidate'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16267' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/wireless/nl80211.c' line='16267' column='1'/>
+        <parameter type-id='bbaf3419' name='ie' filepath='net/wireless/nl80211.c' line='16268' column='1'/>
+        <parameter type-id='f9b06939' name='ie_len' filepath='net/wireless/nl80211.c' line='16268' column='1'/>
+        <parameter type-id='95e97e5e' name='sig_dbm' filepath='net/wireless/nl80211.c' line='16269' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16269' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_pmksa_candidate_notify' mangled-name='cfg80211_pmksa_candidate_notify' filepath='net/wireless/nl80211.c' line='17089' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_pmksa_candidate_notify'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='17089' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='net/wireless/nl80211.c' line='17089' column='1'/>
+        <parameter type-id='bbaf3419' name='bssid' filepath='net/wireless/nl80211.c' line='17090' column='1'/>
+        <parameter type-id='b50a4934' name='preauth' filepath='net/wireless/nl80211.c' line='17090' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='17090' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_port_authorized' mangled-name='cfg80211_port_authorized' filepath='net/wireless/sme.c' line='1060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_port_authorized'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/sme.c' line='1060' column='1'/>
+        <parameter type-id='bbaf3419' name='bssid' filepath='net/wireless/sme.c' line='1060' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/sme.c' line='1061' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_probe_status' mangled-name='cfg80211_probe_status' filepath='net/wireless/nl80211.c' line='17285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_probe_status'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='17285' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/wireless/nl80211.c' line='17285' column='1'/>
+        <parameter type-id='91ce1af9' name='cookie' filepath='net/wireless/nl80211.c' line='17286' column='1'/>
+        <parameter type-id='b50a4934' name='acked' filepath='net/wireless/nl80211.c' line='17286' column='1'/>
+        <parameter type-id='a7832498' name='ack_signal' filepath='net/wireless/nl80211.c' line='17286' column='1'/>
+        <parameter type-id='b50a4934' name='is_valid_ack_signal' filepath='net/wireless/nl80211.c' line='17287' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='17287' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_put_bss' mangled-name='cfg80211_put_bss' filepath='net/wireless/scan.c' line='2570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_put_bss'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='2570' column='1'/>
+        <parameter type-id='bda81d86' name='pub' filepath='net/wireless/scan.c' line='2570' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_radar_event' mangled-name='cfg80211_radar_event' filepath='net/wireless/mlme.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_radar_event'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/mlme.c' line='904' column='1'/>
+        <parameter type-id='0953fbfe' name='chandef' filepath='net/wireless/mlme.c' line='905' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/mlme.c' line='906' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_ready_on_channel' mangled-name='cfg80211_ready_on_channel' filepath='net/wireless/nl80211.c' line='16449' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_ready_on_channel'>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/nl80211.c' line='16449' column='1'/>
+        <parameter type-id='91ce1af9' name='cookie' filepath='net/wireless/nl80211.c' line='16449' column='1'/>
+        <parameter type-id='ec00acfb' name='chan' filepath='net/wireless/nl80211.c' line='16450' column='1'/>
+        <parameter type-id='f0981eeb' name='duration' filepath='net/wireless/nl80211.c' line='16451' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16451' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_ref_bss' mangled-name='cfg80211_ref_bss' filepath='net/wireless/scan.c' line='2554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_ref_bss'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='2554' column='1'/>
+        <parameter type-id='bda81d86' name='pub' filepath='net/wireless/scan.c' line='2554' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_reg_can_beacon_relax' mangled-name='cfg80211_reg_can_beacon_relax' filepath='net/wireless/chan.c' line='1215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_reg_can_beacon_relax'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/chan.c' line='1215' column='1'/>
+        <parameter type-id='0953fbfe' name='chandef' filepath='net/wireless/chan.c' line='1216' column='1'/>
+        <parameter type-id='86505f90' name='iftype' filepath='net/wireless/chan.c' line='1217' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cfg80211_remain_on_channel_expired' mangled-name='cfg80211_remain_on_channel_expired' filepath='net/wireless/nl80211.c' line='16463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_remain_on_channel_expired'>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/nl80211.c' line='16463' column='1'/>
+        <parameter type-id='91ce1af9' name='cookie' filepath='net/wireless/nl80211.c' line='16463' column='1'/>
+        <parameter type-id='ec00acfb' name='chan' filepath='net/wireless/nl80211.c' line='16464' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16465' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_report_obss_beacon_khz' mangled-name='cfg80211_report_obss_beacon_khz' filepath='net/wireless/nl80211.c' line='17328' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_report_obss_beacon_khz'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/nl80211.c' line='17328' column='1'/>
+        <parameter type-id='bbaf3419' name='frame' filepath='net/wireless/nl80211.c' line='17328' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/nl80211.c' line='17329' column='1'/>
+        <parameter type-id='95e97e5e' name='freq' filepath='net/wireless/nl80211.c' line='17329' column='1'/>
+        <parameter type-id='95e97e5e' name='sig_dbm' filepath='net/wireless/nl80211.c' line='17329' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_report_wowlan_wakeup' mangled-name='cfg80211_report_wowlan_wakeup' filepath='net/wireless/nl80211.c' line='17434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_report_wowlan_wakeup'>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/nl80211.c' line='17434' column='1'/>
+        <parameter type-id='fff1f400' name='wakeup' filepath='net/wireless/nl80211.c' line='17435' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='17436' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_roamed' mangled-name='cfg80211_roamed' filepath='net/wireless/sme.c' line='970' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_roamed'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/sme.c' line='970' column='1'/>
+        <parameter type-id='e88825dc' name='info' filepath='net/wireless/sme.c' line='970' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/sme.c' line='971' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_rx_assoc_resp' mangled-name='cfg80211_rx_assoc_resp' filepath='net/wireless/mlme.c' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_rx_assoc_resp'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/mlme.c' line='24' column='1'/>
+        <parameter type-id='bda81d86' name='bss' filepath='net/wireless/mlme.c' line='24' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='net/wireless/mlme.c' line='25' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/mlme.c' line='25' column='1'/>
+        <parameter type-id='95e97e5e' name='uapsd_queues' filepath='net/wireless/mlme.c' line='25' column='1'/>
+        <parameter type-id='bbaf3419' name='req_ies' filepath='net/wireless/mlme.c' line='26' column='1'/>
+        <parameter type-id='b59d7dce' name='req_ies_len' filepath='net/wireless/mlme.c' line='26' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_rx_mgmt_khz' mangled-name='cfg80211_rx_mgmt_khz' filepath='net/wireless/mlme.c' line='758' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_rx_mgmt_khz'>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/mlme.c' line='758' column='1'/>
+        <parameter type-id='95e97e5e' name='freq' filepath='net/wireless/mlme.c' line='758' column='1'/>
+        <parameter type-id='95e97e5e' name='sig_dbm' filepath='net/wireless/mlme.c' line='758' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='net/wireless/mlme.c' line='759' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/mlme.c' line='759' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='net/wireless/mlme.c' line='759' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cfg80211_rx_mlme_mgmt' mangled-name='cfg80211_rx_mlme_mgmt' filepath='net/wireless/mlme.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_rx_mlme_mgmt'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/mlme.c' line='121' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='net/wireless/mlme.c' line='121' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/mlme.c' line='121' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_rx_spurious_frame' mangled-name='cfg80211_rx_spurious_frame' filepath='net/wireless/nl80211.c' line='16614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_rx_spurious_frame'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16614' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/wireless/nl80211.c' line='16615' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16615' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cfg80211_rx_unexpected_4addr_frame' mangled-name='cfg80211_rx_unexpected_4addr_frame' filepath='net/wireless/nl80211.c' line='16634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_rx_unexpected_4addr_frame'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='16634' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/wireless/nl80211.c' line='16635' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='16635' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cfg80211_rx_unprot_mlme_mgmt' mangled-name='cfg80211_rx_unprot_mlme_mgmt' filepath='net/wireless/nl80211.c' line='15977' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_rx_unprot_mlme_mgmt'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='15977' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='net/wireless/nl80211.c' line='15977' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/nl80211.c' line='15978' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_scan_done' mangled-name='cfg80211_scan_done' filepath='net/wireless/scan.c' line='1052' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_scan_done'>
+        <parameter type-id='a9e8b173' name='request' filepath='net/wireless/scan.c' line='1052' column='1'/>
+        <parameter type-id='40cd17b4' name='info' filepath='net/wireless/scan.c' line='1053' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_sched_scan_results' mangled-name='cfg80211_sched_scan_results' filepath='net/wireless/scan.c' line='1168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_sched_scan_results'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='1168' column='1'/>
+        <parameter type-id='91ce1af9' name='reqid' filepath='net/wireless/scan.c' line='1168' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_sched_scan_stopped' mangled-name='cfg80211_sched_scan_stopped' filepath='net/wireless/scan.c' line='1198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_sched_scan_stopped'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='1198' column='1'/>
+        <parameter type-id='91ce1af9' name='reqid' filepath='net/wireless/scan.c' line='1198' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_sched_scan_stopped_rtnl' mangled-name='cfg80211_sched_scan_stopped_rtnl' filepath='net/wireless/scan.c' line='1186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_sched_scan_stopped_rtnl'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='1186' column='1'/>
+        <parameter type-id='91ce1af9' name='reqid' filepath='net/wireless/scan.c' line='1186' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_shutdown_all_interfaces' mangled-name='cfg80211_shutdown_all_interfaces' filepath='net/wireless/core.c' line='264' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_shutdown_all_interfaces'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/core.c' line='264' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_stop_iface' mangled-name='cfg80211_stop_iface' filepath='net/wireless/core.c' line='1232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_stop_iface'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/core.c' line='1232' column='1'/>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/core.c' line='1232' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/core.c' line='1233' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_tdls_oper_request' mangled-name='cfg80211_tdls_oper_request' filepath='net/wireless/nl80211.c' line='17549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_tdls_oper_request'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/nl80211.c' line='17549' column='1'/>
+        <parameter type-id='bbaf3419' name='peer' filepath='net/wireless/nl80211.c' line='17549' column='1'/>
+        <parameter type-id='ee1b00fc' name='oper' filepath='net/wireless/nl80211.c' line='17550' column='1'/>
+        <parameter type-id='1dc6a898' name='reason_code' filepath='net/wireless/nl80211.c' line='17551' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='17551' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_tx_mlme_mgmt' mangled-name='cfg80211_tx_mlme_mgmt' filepath='net/wireless/mlme.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_tx_mlme_mgmt'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/mlme.c' line='183' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='net/wireless/mlme.c' line='183' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/wireless/mlme.c' line='183' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_unlink_bss' mangled-name='cfg80211_unlink_bss' filepath='net/wireless/scan.c' line='2586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_unlink_bss'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/scan.c' line='2586' column='1'/>
+        <parameter type-id='bda81d86' name='pub' filepath='net/wireless/scan.c' line='2586' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_unregister_wdev' mangled-name='cfg80211_unregister_wdev' filepath='net/wireless/core.c' line='1141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_unregister_wdev'>
+        <parameter type-id='63c7e8e1' name='wdev' filepath='net/wireless/core.c' line='1141' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_update_owe_info_event' mangled-name='cfg80211_update_owe_info_event' filepath='net/wireless/nl80211.c' line='17808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_update_owe_info_event'>
+        <parameter type-id='68a2d05b' name='netdev' filepath='net/wireless/nl80211.c' line='17808' column='1'/>
+        <parameter type-id='37104a66' name='owe_info' filepath='net/wireless/nl80211.c' line='17809' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/wireless/nl80211.c' line='17810' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cfg80211_vendor_cmd_get_sender' mangled-name='cfg80211_vendor_cmd_get_sender' filepath='net/wireless/nl80211.c' line='13864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_vendor_cmd_get_sender'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/nl80211.c' line='13864' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cfg80211_vendor_cmd_reply' mangled-name='cfg80211_vendor_cmd_reply' filepath='net/wireless/nl80211.c' line='13844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cfg80211_vendor_cmd_reply'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/wireless/nl80211.c' line='13844' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cgroup_taskset_first' mangled-name='cgroup_taskset_first' filepath='kernel/cgroup/cgroup.c' line='2426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cgroup_taskset_first'>
+        <parameter type-id='8cffa561' name='tset' filepath='kernel/cgroup/cgroup.c' line='2426' column='1'/>
+        <parameter type-id='e7f9d97b' name='dst_cssp' filepath='kernel/cgroup/cgroup.c' line='2427' column='1'/>
+        <return type-id='f23e2572'/>
+      </function-decl>
+      <function-decl name='cgroup_taskset_next' mangled-name='cgroup_taskset_next' filepath='kernel/cgroup/cgroup.c' line='2444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cgroup_taskset_next'>
+        <parameter type-id='8cffa561' name='tset' filepath='kernel/cgroup/cgroup.c' line='2444' column='1'/>
+        <parameter type-id='e7f9d97b' name='dst_cssp' filepath='kernel/cgroup/cgroup.c' line='2445' column='1'/>
+        <return type-id='f23e2572'/>
+      </function-decl>
+      <function-decl name='check_preempt_curr' mangled-name='check_preempt_curr' filepath='kernel/sched/core.c' line='1791' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='check_preempt_curr'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='1791' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1791' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='kernel/sched/core.c' line='1791' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='class_create_file_ns' mangled-name='class_create_file_ns' filepath='drivers/base/class.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_create_file_ns'>
+        <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='88' column='1'/>
+        <parameter type-id='9a53a8a3' name='attr' filepath='drivers/base/class.c' line='88' column='1'/>
+        <parameter type-id='eaa32e2f' name='ns' filepath='drivers/base/class.c' line='89' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='class_destroy' mangled-name='class_destroy' filepath='drivers/base/class.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_destroy'>
+        <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='266' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='class_find_device' mangled-name='class_find_device' filepath='drivers/base/class.c' line='404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_find_device'>
+        <parameter type-id='67aca04f' name='class' filepath='drivers/base/class.c' line='404' column='1'/>
+        <parameter type-id='fa0b179b' name='start' filepath='drivers/base/class.c' line='404' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/class.c' line='405' column='1'/>
+        <parameter type-id='92d15ae9' name='match' filepath='drivers/base/class.c' line='406' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='class_for_each_device' mangled-name='class_for_each_device' filepath='drivers/base/class.c' line='357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_for_each_device'>
+        <parameter type-id='67aca04f' name='class' filepath='drivers/base/class.c' line='357' column='1'/>
+        <parameter type-id='fa0b179b' name='start' filepath='drivers/base/class.c' line='357' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/class.c' line='358' column='1'/>
+        <parameter type-id='92d15ae9' name='fn' filepath='drivers/base/class.c' line='358' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='class_interface_unregister' mangled-name='class_interface_unregister' filepath='drivers/base/class.c' line='458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_interface_unregister'>
+        <parameter type-id='ec167ceb' name='class_intf' filepath='drivers/base/class.c' line='458' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='class_remove_file_ns' mangled-name='class_remove_file_ns' filepath='drivers/base/class.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_remove_file_ns'>
+        <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='101' column='1'/>
+        <parameter type-id='9a53a8a3' name='attr' filepath='drivers/base/class.c' line='101' column='1'/>
+        <parameter type-id='eaa32e2f' name='ns' filepath='drivers/base/class.c' line='102' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='class_unregister' mangled-name='class_unregister' filepath='drivers/base/class.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_unregister'>
+        <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='204' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cleanup_srcu_struct' mangled-name='cleanup_srcu_struct' filepath='kernel/rcu/srcutree.c' line='373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cleanup_srcu_struct'>
+        <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='373' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_bulk_disable' mangled-name='clk_bulk_disable' filepath='drivers/clk/clk-bulk.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_disable'>
+        <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='211' column='1'/>
+        <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='211' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_bulk_enable' mangled-name='clk_bulk_enable' filepath='drivers/clk/clk-bulk.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_enable'>
+        <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='227' column='1'/>
+        <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='227' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_bulk_prepare' mangled-name='clk_bulk_prepare' filepath='drivers/clk/clk-bulk.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_prepare'>
+        <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='176' column='1'/>
+        <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='177' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_bulk_put' mangled-name='clk_bulk_put' filepath='drivers/clk/clk-bulk.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_put'>
+        <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='72' column='1'/>
+        <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-bulk.c' line='72' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_bulk_unprepare' mangled-name='clk_bulk_unprepare' filepath='drivers/clk/clk-bulk.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_unprepare'>
+        <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='161' column='1'/>
+        <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='161' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_disable' mangled-name='clk_disable' filepath='drivers/clk/clk.c' line='1023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_disable'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='1023' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='clk_divider_ops' type-id='92072f8b' mangled-name='clk_divider_ops' visibility='default' filepath='drivers/clk/clk-divider.c' line='453' column='1' elf-symbol-id='clk_divider_ops'/>
+      <var-decl name='clk_divider_ro_ops' type-id='92072f8b' mangled-name='clk_divider_ro_ops' visibility='default' filepath='drivers/clk/clk-divider.c' line='460' column='1' elf-symbol-id='clk_divider_ro_ops'/>
+      <function-decl name='clk_enable' mangled-name='clk_enable' filepath='drivers/clk/clk.c' line='1188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_enable'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='1188' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='clk_fixed_factor_ops' type-id='92072f8b' mangled-name='clk_fixed_factor_ops' visibility='default' filepath='drivers/clk/clk-fixed-factor.c' line='60' column='1' elf-symbol-id='clk_fixed_factor_ops'/>
+      <var-decl name='clk_fixed_rate_ops' type-id='92072f8b' mangled-name='clk_fixed_rate_ops' visibility='default' filepath='drivers/clk/clk-fixed-rate.c' line='46' column='1' elf-symbol-id='clk_fixed_rate_ops'/>
+      <var-decl name='clk_fractional_divider_ops' type-id='92072f8b' mangled-name='clk_fractional_divider_ops' visibility='default' filepath='drivers/clk/clk-fractional-divider.c' line='148' column='1' elf-symbol-id='clk_fractional_divider_ops'/>
+      <var-decl name='clk_gate_ops' type-id='92072f8b' mangled-name='clk_gate_ops' visibility='default' filepath='drivers/clk/clk-gate.c' line='119' column='1' elf-symbol-id='clk_gate_ops'/>
+      <function-decl name='clk_get' mangled-name='clk_get' filepath='drivers/clk/clkdev.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clkdev.c' line='100' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clkdev.c' line='100' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_get_parent' mangled-name='clk_get_parent' filepath='drivers/clk/clk.c' line='2523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get_parent'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2523' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_get_phase' mangled-name='clk_get_phase' filepath='drivers/clk/clk.c' line='2807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get_phase'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2807' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_get_rate' mangled-name='clk_get_rate' filepath='drivers/clk/clk.c' line='1701' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get_rate'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='1701' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='clk_has_parent' mangled-name='clk_has_parent' filepath='drivers/clk/clk.c' line='2575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_has_parent'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2575' column='1'/>
+        <parameter type-id='7d0bc0eb' name='parent' filepath='drivers/clk/clk.c' line='2575' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='clk_hw_get_flags' mangled-name='clk_hw_get_flags' filepath='drivers/clk/clk.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_flags'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='516' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='clk_hw_get_name' mangled-name='clk_hw_get_name' filepath='drivers/clk/clk.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_name'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='283' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='clk_hw_get_num_parents' mangled-name='clk_hw_get_num_parents' filepath='drivers/clk/clk.c' line='295' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_num_parents'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='295' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='clk_hw_get_parent' mangled-name='clk_hw_get_parent' filepath='drivers/clk/clk.c' line='301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_parent'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='301' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='clk_hw_get_parent_by_index' mangled-name='clk_hw_get_parent_by_index' filepath='drivers/clk/clk.c' line='471' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_parent_by_index'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='471' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/clk/clk.c' line='471' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='clk_hw_get_rate' mangled-name='clk_hw_get_rate' filepath='drivers/clk/clk.c' line='502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_rate'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='502' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='clk_hw_is_enabled' mangled-name='clk_hw_is_enabled' filepath='drivers/clk/clk.c' line='534' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_is_enabled'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='534' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='clk_hw_is_prepared' mangled-name='clk_hw_is_prepared' filepath='drivers/clk/clk.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_is_prepared'>
+        <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='522' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='clk_hw_register' mangled-name='clk_hw_register' filepath='drivers/clk/clk.c' line='4061' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4061' column='1'/>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4061' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_hw_register_composite' mangled-name='clk_hw_register_composite' filepath='drivers/clk/clk-composite.c' line='319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_register_composite'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-composite.c' line='319' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-composite.c' line='319' column='1'/>
+        <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-composite.c' line='320' column='1'/>
+        <parameter type-id='95e97e5e' name='num_parents' filepath='drivers/clk/clk-composite.c' line='320' column='1'/>
+        <parameter type-id='3aaeef89' name='mux_hw' filepath='drivers/clk/clk-composite.c' line='321' column='1'/>
+        <parameter type-id='824ffa73' name='mux_ops' filepath='drivers/clk/clk-composite.c' line='321' column='1'/>
+        <parameter type-id='3aaeef89' name='rate_hw' filepath='drivers/clk/clk-composite.c' line='322' column='1'/>
+        <parameter type-id='824ffa73' name='rate_ops' filepath='drivers/clk/clk-composite.c' line='322' column='1'/>
+        <parameter type-id='3aaeef89' name='gate_hw' filepath='drivers/clk/clk-composite.c' line='323' column='1'/>
+        <parameter type-id='824ffa73' name='gate_ops' filepath='drivers/clk/clk-composite.c' line='323' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-composite.c' line='324' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='clk_hw_register_fixed_factor' mangled-name='clk_hw_register_fixed_factor' filepath='drivers/clk/clk-fixed-factor.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_register_fixed_factor'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-fixed-factor.c' line='109' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-fixed-factor.c' line='110' column='1'/>
+        <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-fixed-factor.c' line='110' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-fixed-factor.c' line='110' column='1'/>
+        <parameter type-id='f0981eeb' name='mult' filepath='drivers/clk/clk-fixed-factor.c' line='111' column='1'/>
+        <parameter type-id='f0981eeb' name='div' filepath='drivers/clk/clk-fixed-factor.c' line='111' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='clk_hw_round_rate' mangled-name='clk_hw_round_rate' filepath='drivers/clk/clk.c' line='1482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_round_rate'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='1482' column='1'/>
+        <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk.c' line='1482' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='clk_hw_set_parent' mangled-name='clk_hw_set_parent' filepath='drivers/clk/clk.c' line='2664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_set_parent'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='2664' column='1'/>
+        <parameter type-id='3aaeef89' name='parent' filepath='drivers/clk/clk.c' line='2664' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_hw_set_rate_range' mangled-name='clk_hw_set_rate_range' filepath='drivers/clk/clk.c' line='665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_set_rate_range'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='665' column='1'/>
+        <parameter type-id='7359adad' name='min_rate' filepath='drivers/clk/clk.c' line='665' column='1'/>
+        <parameter type-id='7359adad' name='max_rate' filepath='drivers/clk/clk.c' line='666' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_hw_unregister' mangled-name='clk_hw_unregister' filepath='drivers/clk/clk.c' line='4226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4226' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_hw_unregister_composite' mangled-name='clk_hw_unregister_composite' filepath='drivers/clk/clk-composite.c' line='399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_composite'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-composite.c' line='399' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_hw_unregister_divider' mangled-name='clk_hw_unregister_divider' filepath='drivers/clk/clk-divider.c' line='576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_divider'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='576' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_hw_unregister_fixed_factor' mangled-name='clk_hw_unregister_fixed_factor' filepath='drivers/clk/clk-fixed-factor.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_fixed_factor'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-fixed-factor.c' line='145' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_hw_unregister_mux' mangled-name='clk_hw_unregister_mux' filepath='drivers/clk/clk-mux.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_mux'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-mux.c' line='241' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_is_match' mangled-name='clk_is_match' filepath='drivers/clk/clk.c' line='2999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_is_match'>
+        <parameter type-id='10f66866' name='p' filepath='drivers/clk/clk.c' line='2999' column='1'/>
+        <parameter type-id='10f66866' name='q' filepath='drivers/clk/clk.c' line='2999' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <var-decl name='clk_mux_ops' type-id='92072f8b' mangled-name='clk_mux_ops' visibility='default' filepath='drivers/clk/clk-mux.c' line='136' column='1' elf-symbol-id='clk_mux_ops'/>
+      <var-decl name='clk_mux_ro_ops' type-id='92072f8b' mangled-name='clk_mux_ro_ops' visibility='default' filepath='drivers/clk/clk-mux.c' line='143' column='1' elf-symbol-id='clk_mux_ro_ops'/>
+      <function-decl name='clk_notifier_register' mangled-name='clk_notifier_register' filepath='drivers/clk/clk.c' line='4456' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_notifier_register'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='4456' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/clk/clk.c' line='4456' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_notifier_unregister' mangled-name='clk_notifier_unregister' filepath='drivers/clk/clk.c' line='4504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_notifier_unregister'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='4504' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/clk/clk.c' line='4504' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_prepare' mangled-name='clk_prepare' filepath='drivers/clk/clk.c' line='966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_prepare'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='966' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_put' mangled-name='clk_put' filepath='drivers/clk/clkdev.c' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_put'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clkdev.c' line='115' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_rate_exclusive_put' mangled-name='clk_rate_exclusive_put' filepath='drivers/clk/clk.c' line='754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_rate_exclusive_put'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='754' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_register' mangled-name='clk_register' filepath='drivers/clk/clk.c' line='4045' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4045' column='1'/>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4045' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_register_clkdev' mangled-name='clk_register_clkdev' filepath='drivers/clk/clkdev.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_clkdev'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clkdev.c' line='341' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clkdev.c' line='341' column='1'/>
+        <parameter type-id='80f4b756' name='dev_id' filepath='drivers/clk/clkdev.c' line='342' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_register_composite' mangled-name='clk_register_composite' filepath='drivers/clk/clk-composite.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_composite'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-composite.c' line='348' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-composite.c' line='348' column='1'/>
+        <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-composite.c' line='349' column='1'/>
+        <parameter type-id='95e97e5e' name='num_parents' filepath='drivers/clk/clk-composite.c' line='349' column='1'/>
+        <parameter type-id='3aaeef89' name='mux_hw' filepath='drivers/clk/clk-composite.c' line='350' column='1'/>
+        <parameter type-id='824ffa73' name='mux_ops' filepath='drivers/clk/clk-composite.c' line='350' column='1'/>
+        <parameter type-id='3aaeef89' name='rate_hw' filepath='drivers/clk/clk-composite.c' line='351' column='1'/>
+        <parameter type-id='824ffa73' name='rate_ops' filepath='drivers/clk/clk-composite.c' line='351' column='1'/>
+        <parameter type-id='3aaeef89' name='gate_hw' filepath='drivers/clk/clk-composite.c' line='352' column='1'/>
+        <parameter type-id='824ffa73' name='gate_ops' filepath='drivers/clk/clk-composite.c' line='352' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-composite.c' line='353' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_register_divider_table' mangled-name='clk_register_divider_table' filepath='drivers/clk/clk-divider.c' line='539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_divider_table'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-divider.c' line='539' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-divider.c' line='539' column='1'/>
+        <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-divider.c' line='540' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='540' column='1'/>
+        <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-divider.c' line='541' column='1'/>
+        <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-divider.c' line='541' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='541' column='1'/>
+        <parameter type-id='f9b06939' name='clk_divider_flags' filepath='drivers/clk/clk-divider.c' line='542' column='1'/>
+        <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='542' column='1'/>
+        <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-divider.c' line='543' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_register_fixed_factor' mangled-name='clk_register_fixed_factor' filepath='drivers/clk/clk-fixed-factor.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_fixed_factor'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-fixed-factor.c' line='118' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-fixed-factor.c' line='118' column='1'/>
+        <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-fixed-factor.c' line='119' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-fixed-factor.c' line='119' column='1'/>
+        <parameter type-id='f0981eeb' name='mult' filepath='drivers/clk/clk-fixed-factor.c' line='120' column='1'/>
+        <parameter type-id='f0981eeb' name='div' filepath='drivers/clk/clk-fixed-factor.c' line='120' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_register_fixed_rate' mangled-name='clk_register_fixed_rate' filepath='drivers/clk/clk-fixed-rate.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_fixed_rate'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-fixed-rate.c' line='101' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-fixed-rate.c' line='101' column='1'/>
+        <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-fixed-rate.c' line='102' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-fixed-rate.c' line='102' column='1'/>
+        <parameter type-id='7359adad' name='fixed_rate' filepath='drivers/clk/clk-fixed-rate.c' line='103' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_register_gate' mangled-name='clk_register_gate' filepath='drivers/clk/clk-gate.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_gate'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-gate.c' line='184' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-gate.c' line='184' column='1'/>
+        <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-gate.c' line='185' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-gate.c' line='185' column='1'/>
+        <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-gate.c' line='186' column='1'/>
+        <parameter type-id='f9b06939' name='bit_idx' filepath='drivers/clk/clk-gate.c' line='186' column='1'/>
+        <parameter type-id='f9b06939' name='clk_gate_flags' filepath='drivers/clk/clk-gate.c' line='187' column='1'/>
+        <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-gate.c' line='187' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_register_mux_table' mangled-name='clk_register_mux_table' filepath='drivers/clk/clk-mux.c' line='209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_mux_table'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-mux.c' line='209' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-mux.c' line='209' column='1'/>
+        <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-mux.c' line='210' column='1'/>
+        <parameter type-id='f9b06939' name='num_parents' filepath='drivers/clk/clk-mux.c' line='210' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+        <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+        <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+        <parameter type-id='f9b06939' name='clk_mux_flags' filepath='drivers/clk/clk-mux.c' line='212' column='1'/>
+        <parameter type-id='f9409001' name='table' filepath='drivers/clk/clk-mux.c' line='212' column='1'/>
+        <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-mux.c' line='212' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='clk_round_rate' mangled-name='clk_round_rate' filepath='drivers/clk/clk.c' line='1507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_round_rate'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='1507' column='1'/>
+        <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk.c' line='1507' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='clk_set_parent' mangled-name='clk_set_parent' filepath='drivers/clk/clk.c' line='2687' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_set_parent'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2687' column='1'/>
+        <parameter type-id='7d0bc0eb' name='parent' filepath='drivers/clk/clk.c' line='2687' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_set_phase' mangled-name='clk_set_phase' filepath='drivers/clk/clk.c' line='2756' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_set_phase'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2756' column='1'/>
+        <parameter type-id='95e97e5e' name='degrees' filepath='drivers/clk/clk.c' line='2756' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_set_rate' mangled-name='clk_set_rate' filepath='drivers/clk/clk.c' line='2337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_set_rate'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2337' column='1'/>
+        <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk.c' line='2337' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_set_rate_exclusive' mangled-name='clk_set_rate_exclusive' filepath='drivers/clk/clk.c' line='2380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_set_rate_exclusive'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2380' column='1'/>
+        <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk.c' line='2380' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='clk_sync_state' mangled-name='clk_sync_state' filepath='drivers/clk/clk.c' line='1355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_sync_state'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='1355' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_unprepare' mangled-name='clk_unprepare' filepath='drivers/clk/clk.c' line='885' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_unprepare'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='885' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clk_unregister' mangled-name='clk_unregister' filepath='drivers/clk/clk.c' line='4164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_unregister'>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='4164' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clockevents_config_and_register' mangled-name='clockevents_config_and_register' filepath='kernel/time/clockevents.c' line='505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clockevents_config_and_register'>
+        <parameter type-id='aff725d5' name='dev' filepath='kernel/time/clockevents.c' line='505' column='1'/>
+        <parameter type-id='19c2251e' name='freq' filepath='kernel/time/clockevents.c' line='506' column='1'/>
+        <parameter type-id='7359adad' name='min_delta' filepath='kernel/time/clockevents.c' line='506' column='1'/>
+        <parameter type-id='7359adad' name='max_delta' filepath='kernel/time/clockevents.c' line='507' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='clocks_calc_mult_shift' mangled-name='clocks_calc_mult_shift' filepath='kernel/time/clocksource.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clocks_calc_mult_shift'>
+        <parameter type-id='f9409001' name='mult' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+        <parameter type-id='f9409001' name='shift' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+        <parameter type-id='19c2251e' name='from' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+        <parameter type-id='19c2251e' name='to' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+        <parameter type-id='19c2251e' name='maxsec' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='close_candev' mangled-name='close_candev' filepath='drivers/net/can/dev/dev.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='close_candev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='904' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cma_alloc' mangled-name='cma_alloc' filepath='mm/cma.c' line='435' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_alloc'>
+        <parameter type-id='6f67b38a' name='cma' filepath='mm/cma.c' line='435' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='mm/cma.c' line='435' column='1'/>
+        <parameter type-id='f0981eeb' name='align' filepath='mm/cma.c' line='435' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/cma.c' line='436' column='1'/>
+        <return type-id='02f11ed4'/>
+      </function-decl>
+      <function-decl name='cma_for_each_area' mangled-name='cma_for_each_area' filepath='mm/cma.c' line='622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_for_each_area'>
+        <parameter type-id='0b3f2e4c' name='it' filepath='mm/cma.c' line='622' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='mm/cma.c' line='622' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cma_get_name' mangled-name='cma_get_name' filepath='mm/cma.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_get_name'>
+        <parameter type-id='4605de5b' name='cma' filepath='mm/cma.c' line='60' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='cma_get_size' mangled-name='cma_get_size' filepath='mm/cma.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_get_size'>
+        <parameter type-id='4605de5b' name='cma' filepath='mm/cma.c' line='54' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='cma_release' mangled-name='cma_release' filepath='mm/cma.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_release'>
+        <parameter type-id='6f67b38a' name='cma' filepath='mm/cma.c' line='598' column='1'/>
+        <parameter type-id='b72f2447' name='pages' filepath='mm/cma.c' line='598' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='mm/cma.c' line='598' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='compat_alloc_user_space' mangled-name='compat_alloc_user_space' filepath='kernel/compat.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='compat_alloc_user_space'>
+        <parameter type-id='7359adad' name='len' filepath='kernel/compat.c' line='277' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='compat_only_sysfs_link_entry_to_kobj' mangled-name='compat_only_sysfs_link_entry_to_kobj' filepath='fs/sysfs/group.c' line='427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='compat_only_sysfs_link_entry_to_kobj'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='427' column='1'/>
+        <parameter type-id='d30bdc51' name='target_kobj' filepath='fs/sysfs/group.c' line='428' column='1'/>
+        <parameter type-id='80f4b756' name='target_name' filepath='fs/sysfs/group.c' line='429' column='1'/>
+        <parameter type-id='80f4b756' name='symlink_name' filepath='fs/sysfs/group.c' line='430' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='compat_ptr_ioctl' mangled-name='compat_ptr_ioctl' filepath='fs/ioctl.c' line='784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='compat_ptr_ioctl'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/ioctl.c' line='784' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='fs/ioctl.c' line='784' column='1'/>
+        <parameter type-id='7359adad' name='arg' filepath='fs/ioctl.c' line='784' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='complete' mangled-name='complete' filepath='kernel/sched/completion.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='complete'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='28' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='complete_all' mangled-name='complete_all' filepath='kernel/sched/completion.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='complete_all'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='57' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='complete_and_exit' mangled-name='complete_and_exit' filepath='kernel/exit.c' line='941' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='complete_and_exit'>
+        <parameter type-id='389faaf7' name='comp' filepath='kernel/exit.c' line='941' column='1'/>
+        <parameter type-id='bd54fe1a' name='code' filepath='kernel/exit.c' line='941' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='completion_done' mangled-name='completion_done' filepath='kernel/sched/completion.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='completion_done'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='315' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='component_add' mangled-name='component_add' filepath='drivers/base/component.c' line='742' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_add'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='742' column='1'/>
+        <parameter type-id='14f24806' name='ops' filepath='drivers/base/component.c' line='742' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='component_bind_all' mangled-name='component_bind_all' filepath='drivers/base/component.c' line='632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_bind_all'>
+        <parameter type-id='fa0b179b' name='master_dev' filepath='drivers/base/component.c' line='632' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/component.c' line='632' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='component_del' mangled-name='component_del' filepath='drivers/base/component.c' line='757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_del'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='757' column='1'/>
+        <parameter type-id='14f24806' name='ops' filepath='drivers/base/component.c' line='757' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='component_master_add_with_match' mangled-name='component_master_add_with_match' filepath='drivers/base/component.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_master_add_with_match'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='467' column='1'/>
+        <parameter type-id='27729729' name='ops' filepath='drivers/base/component.c' line='468' column='1'/>
+        <parameter type-id='7d9421ac' name='match' filepath='drivers/base/component.c' line='469' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='component_master_del' mangled-name='component_master_del' filepath='drivers/base/component.c' line='512' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_master_del'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='512' column='1'/>
+        <parameter type-id='27729729' name='ops' filepath='drivers/base/component.c' line='513' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='component_match_add_release' mangled-name='component_match_add_release' filepath='drivers/base/component.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_match_add_release'>
+        <parameter type-id='fa0b179b' name='master' filepath='drivers/base/component.c' line='400' column='1'/>
+        <parameter type-id='3630c5f2' name='matchptr' filepath='drivers/base/component.c' line='401' column='1'/>
+        <parameter type-id='680bf43c' name='release' filepath='drivers/base/component.c' line='402' column='1'/>
+        <parameter type-id='92d15ae9' name='compare' filepath='drivers/base/component.c' line='403' column='1'/>
+        <parameter type-id='eaa32e2f' name='compare_data' filepath='drivers/base/component.c' line='403' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='component_unbind_all' mangled-name='component_unbind_all' filepath='drivers/base/component.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_unbind_all'>
+        <parameter type-id='fa0b179b' name='master_dev' filepath='drivers/base/component.c' line='549' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/component.c' line='549' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='config_ep_by_speed' mangled-name='config_ep_by_speed' filepath='drivers/usb/gadget/composite.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_ep_by_speed'>
+        <parameter type-id='49a58c0c' name='g' filepath='drivers/usb/gadget/composite.c' line='292' column='1'/>
+        <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/composite.c' line='293' column='1'/>
+        <parameter type-id='63a08bf7' name='_ep' filepath='drivers/usb/gadget/composite.c' line='294' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='config_group_find_item' mangled-name='config_group_find_item' filepath='fs/configfs/item.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_group_find_item'>
+        <parameter type-id='97aff453' name='group' filepath='fs/configfs/item.c' line='176' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/configfs/item.c' line='177' column='1'/>
+        <return type-id='7a29ff27'/>
+      </function-decl>
+      <function-decl name='config_group_init' mangled-name='config_group_init' filepath='fs/configfs/item.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_group_init'>
+        <parameter type-id='97aff453' name='group' filepath='fs/configfs/item.c' line='159' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='config_group_init_type_name' mangled-name='config_group_init_type_name' filepath='fs/configfs/item.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_group_init_type_name'>
+        <parameter type-id='97aff453' name='group' filepath='fs/configfs/item.c' line='94' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/configfs/item.c' line='94' column='1'/>
+        <parameter type-id='596e8e55' name='type' filepath='fs/configfs/item.c' line='95' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='config_item_init_type_name' mangled-name='config_item_init_type_name' filepath='fs/configfs/item.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_item_init_type_name'>
+        <parameter type-id='7a29ff27' name='item' filepath='fs/configfs/item.c' line='84' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/configfs/item.c' line='85' column='1'/>
+        <parameter type-id='596e8e55' name='type' filepath='fs/configfs/item.c' line='86' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='config_item_put' mangled-name='config_item_put' filepath='fs/configfs/item.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_item_put'>
+        <parameter type-id='7a29ff27' name='item' filepath='fs/configfs/item.c' line='148' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='configfs_register_subsystem' mangled-name='configfs_register_subsystem' filepath='fs/configfs/dir.c' line='1889' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='configfs_register_subsystem'>
+        <parameter type-id='598755ca' name='subsys' filepath='fs/configfs/dir.c' line='1889' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='configfs_unregister_subsystem' mangled-name='configfs_unregister_subsystem' filepath='fs/configfs/dir.c' line='1949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='configfs_unregister_subsystem'>
+        <parameter type-id='598755ca' name='subsys' filepath='fs/configfs/dir.c' line='1949' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='console_lock' mangled-name='console_lock' filepath='kernel/printk/printk.c' line='2360' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_lock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='console_set_on_cmdline' type-id='95e97e5e' mangled-name='console_set_on_cmdline' visibility='default' filepath='kernel/printk/printk.c' line='289' column='1' elf-symbol-id='console_set_on_cmdline'/>
+      <function-decl name='console_stop' mangled-name='console_stop' filepath='kernel/printk/printk.c' line='2674' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_stop'>
+        <parameter type-id='b9aa0100' name='console' filepath='kernel/printk/printk.c' line='2674' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='console_suspend_enabled' type-id='b50a4934' mangled-name='console_suspend_enabled' visibility='default' filepath='kernel/printk/printk.c' line='2289' column='1' elf-symbol-id='console_suspend_enabled'/>
+      <function-decl name='console_trylock' mangled-name='console_trylock' filepath='kernel/printk/printk.c' line='2380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_trylock'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='console_unlock' mangled-name='console_unlock' filepath='kernel/printk/printk.c' line='2442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_unlock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='consume_skb' mangled-name='consume_skb' filepath='net/core/skbuff.c' line='844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='consume_skb'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='844' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='contig_page_data' type-id='54406315' mangled-name='contig_page_data' visibility='default' filepath='mm/memblock.c' line='96' column='1' elf-symbol-id='contig_page_data'/>
+      <function-decl name='copy_from_kernel_nofault' mangled-name='copy_from_kernel_nofault' filepath='mm/maccess.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='copy_from_kernel_nofault'>
+        <parameter type-id='eaa32e2f' name='dst' filepath='mm/maccess.c' line='25' column='1'/>
+        <parameter type-id='eaa32e2f' name='src' filepath='mm/maccess.c' line='25' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/maccess.c' line='25' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <var-decl name='cpu_all_bits' type-id='afe549fd' mangled-name='cpu_all_bits' visibility='default' filepath='kernel/cpu.c' line='2781' column='1' elf-symbol-id='cpu_all_bits'/>
+      <var-decl name='cpu_bit_bitmap' type-id='f959706c' mangled-name='cpu_bit_bitmap' visibility='default' filepath='kernel/cpu.c' line='2770' column='1' elf-symbol-id='cpu_bit_bitmap'/>
+      <function-decl name='cpu_have_feature' mangled-name='cpu_have_feature' filepath='arch/arm64/kernel/cpufeature.c' line='2895' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_have_feature'>
+        <parameter type-id='f0981eeb' name='num' filepath='arch/arm64/kernel/cpufeature.c' line='2895' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cpu_hotplug_disable' mangled-name='cpu_hotplug_disable' filepath='kernel/cpu.c' line='361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_hotplug_disable'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpu_hotplug_enable' mangled-name='cpu_hotplug_enable' filepath='kernel/cpu.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_hotplug_enable'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='cpu_hwcap_keys' type-id='cee5a038' mangled-name='cpu_hwcap_keys' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='156' column='1' elf-symbol-id='cpu_hwcap_keys'/>
+      <var-decl name='cpu_hwcaps' type-id='f05e8e77' mangled-name='cpu_hwcaps' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='104' column='1' elf-symbol-id='cpu_hwcaps'/>
+      <function-decl name='cpu_latency_qos_add_request' mangled-name='cpu_latency_qos_add_request' filepath='kernel/power/qos.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_latency_qos_add_request'>
+        <parameter type-id='221c3010' name='req' filepath='kernel/power/qos.c' line='267' column='1'/>
+        <parameter type-id='a7832498' name='value' filepath='kernel/power/qos.c' line='267' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpu_latency_qos_remove_request' mangled-name='cpu_latency_qos_remove_request' filepath='kernel/power/qos.c' line='319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_latency_qos_remove_request'>
+        <parameter type-id='221c3010' name='req' filepath='kernel/power/qos.c' line='319' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpu_latency_qos_request_active' mangled-name='cpu_latency_qos_request_active' filepath='kernel/power/qos.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_latency_qos_request_active'>
+        <parameter type-id='221c3010' name='req' filepath='kernel/power/qos.c' line='241' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cpu_latency_qos_update_request' mangled-name='cpu_latency_qos_update_request' filepath='kernel/power/qos.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_latency_qos_update_request'>
+        <parameter type-id='221c3010' name='req' filepath='kernel/power/qos.c' line='293' column='1'/>
+        <parameter type-id='a7832498' name='new_value' filepath='kernel/power/qos.c' line='293' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='cpu_number' type-id='95e97e5e' mangled-name='cpu_number' visibility='default' filepath='arch/arm64/kernel/smp.c' line='59' column='1' elf-symbol-id='cpu_number'/>
+      <function-decl name='cpu_pm_register_notifier' mangled-name='cpu_pm_register_notifier' filepath='kernel/cpu_pm.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_pm_register_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/cpu_pm.c' line='70' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpu_pm_unregister_notifier' mangled-name='cpu_pm_unregister_notifier' filepath='kernel/cpu_pm.c' line='90' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_pm_unregister_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/cpu_pm.c' line='90' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='cpu_scale' type-id='7359adad' mangled-name='cpu_scale' visibility='default' filepath='drivers/base/arch_topology.c' line='63' column='1' elf-symbol-id='cpu_scale'/>
+      <var-decl name='cpu_subsys' type-id='b31bfc8a' mangled-name='cpu_subsys' visibility='default' filepath='drivers/base/cpu.c' line='128' column='1' elf-symbol-id='cpu_subsys'/>
+      <var-decl name='cpu_topology' type-id='366d2368' mangled-name='cpu_topology' visibility='default' filepath='drivers/base/arch_topology.c' line='500' column='1' elf-symbol-id='cpu_topology'/>
+      <function-decl name='cpufreq_add_update_util_hook' mangled-name='cpufreq_add_update_util_hook' filepath='kernel/sched/cpufreq.c' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_add_update_util_hook'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/cpufreq.c' line='33' column='1'/>
+        <parameter type-id='f681f934' name='data' filepath='kernel/sched/cpufreq.c' line='33' column='1'/>
+        <parameter type-id='2cd87b91' name='func' filepath='kernel/sched/cpufreq.c' line='34' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_cpu_get' mangled-name='cpufreq_cpu_get' filepath='drivers/cpufreq/cpufreq.c' line='220' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_cpu_get'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='220' column='1'/>
+        <return type-id='343c3ae4'/>
+      </function-decl>
+      <function-decl name='cpufreq_cpu_get_raw' mangled-name='cpufreq_cpu_get_raw' filepath='drivers/cpufreq/cpufreq.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_cpu_get_raw'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='187' column='1'/>
+        <return type-id='343c3ae4'/>
+      </function-decl>
+      <function-decl name='cpufreq_cpu_put' mangled-name='cpufreq_cpu_put' filepath='drivers/cpufreq/cpufreq.c' line='248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_cpu_put'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='248' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_dbs_governor_exit' mangled-name='cpufreq_dbs_governor_exit' filepath='drivers/cpufreq/cpufreq_governor.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_exit'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='477' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_dbs_governor_init' mangled-name='cpufreq_dbs_governor_init' filepath='drivers/cpufreq/cpufreq_governor.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_init'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='391' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_dbs_governor_limits' mangled-name='cpufreq_dbs_governor_limits' filepath='drivers/cpufreq/cpufreq_governor.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_limits'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='555' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_dbs_governor_start' mangled-name='cpufreq_dbs_governor_start' filepath='drivers/cpufreq/cpufreq_governor.c' line='505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_start'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='505' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_dbs_governor_stop' mangled-name='cpufreq_dbs_governor_stop' filepath='drivers/cpufreq/cpufreq_governor.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_stop'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='543' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_disable_fast_switch' mangled-name='cpufreq_disable_fast_switch' filepath='drivers/cpufreq/cpufreq.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_disable_fast_switch'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='522' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_driver_fast_switch' mangled-name='cpufreq_driver_fast_switch' filepath='drivers/cpufreq/cpufreq.c' line='2096' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_driver_fast_switch'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2096' column='1'/>
+        <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='2097' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpufreq_driver_resolve_freq' mangled-name='cpufreq_driver_resolve_freq' filepath='drivers/cpufreq/cpufreq.c' line='545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_driver_resolve_freq'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='545' column='1'/>
+        <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='546' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpufreq_driver_target' mangled-name='cpufreq_driver_target' filepath='drivers/cpufreq/cpufreq.c' line='2250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_driver_target'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2250' column='1'/>
+        <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='2251' column='1'/>
+        <parameter type-id='f0981eeb' name='relation' filepath='drivers/cpufreq/cpufreq.c' line='2252' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_enable_boost_support' mangled-name='cpufreq_enable_boost_support' filepath='drivers/cpufreq/cpufreq.c' line='2689' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_enable_boost_support'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_enable_fast_switch' mangled-name='cpufreq_enable_fast_switch' filepath='drivers/cpufreq/cpufreq.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_enable_fast_switch'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='498' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='cpufreq_freq_attr_scaling_available_freqs' type-id='9f2d4ea3' mangled-name='cpufreq_freq_attr_scaling_available_freqs' visibility='default' filepath='drivers/cpufreq/freq_table.c' line='280' column='1' elf-symbol-id='cpufreq_freq_attr_scaling_available_freqs'/>
+      <var-decl name='cpufreq_freq_attr_scaling_boost_freqs' type-id='9f2d4ea3' mangled-name='cpufreq_freq_attr_scaling_boost_freqs' visibility='default' filepath='drivers/cpufreq/freq_table.c' line='292' column='1' elf-symbol-id='cpufreq_freq_attr_scaling_boost_freqs'/>
+      <function-decl name='cpufreq_freq_transition_begin' mangled-name='cpufreq_freq_transition_begin' filepath='drivers/cpufreq/cpufreq.c' line='411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_freq_transition_begin'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='411' column='1'/>
+        <parameter type-id='857d6f7f' name='freqs' filepath='drivers/cpufreq/cpufreq.c' line='412' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_freq_transition_end' mangled-name='cpufreq_freq_transition_end' filepath='drivers/cpufreq/cpufreq.c' line='445' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_freq_transition_end'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='445' column='1'/>
+        <parameter type-id='857d6f7f' name='freqs' filepath='drivers/cpufreq/cpufreq.c' line='446' column='1'/>
+        <parameter type-id='95e97e5e' name='transition_failed' filepath='drivers/cpufreq/cpufreq.c' line='446' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_frequency_table_get_index' mangled-name='cpufreq_frequency_table_get_index' filepath='drivers/cpufreq/freq_table.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_frequency_table_get_index'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/freq_table.c' line='213' column='1'/>
+        <parameter type-id='f0981eeb' name='freq' filepath='drivers/cpufreq/freq_table.c' line='214' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_frequency_table_verify' mangled-name='cpufreq_frequency_table_verify' filepath='drivers/cpufreq/freq_table.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_frequency_table_verify'>
+        <parameter type-id='5aa4f86b' name='policy' filepath='drivers/cpufreq/freq_table.c' line='71' column='1'/>
+        <parameter type-id='3b8b42e1' name='table' filepath='drivers/cpufreq/freq_table.c' line='72' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='cpufreq_generic_attr' type-id='82486e89' mangled-name='cpufreq_generic_attr' visibility='default' filepath='drivers/cpufreq/freq_table.c' line='295' column='1' elf-symbol-id='cpufreq_generic_attr'/>
+      <function-decl name='cpufreq_generic_frequency_table_verify' mangled-name='cpufreq_generic_frequency_table_verify' filepath='drivers/cpufreq/freq_table.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_generic_frequency_table_verify'>
+        <parameter type-id='5aa4f86b' name='policy' filepath='drivers/cpufreq/freq_table.c' line='111' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_generic_get' mangled-name='cpufreq_generic_get' filepath='drivers/cpufreq/cpufreq.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_generic_get'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='195' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpufreq_generic_suspend' mangled-name='cpufreq_generic_suspend' filepath='drivers/cpufreq/cpufreq.c' line='1837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_generic_suspend'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='1837' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_get' mangled-name='cpufreq_get' filepath='drivers/cpufreq/cpufreq.c' line='1808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_get'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='1808' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpufreq_get_driver_data' mangled-name='cpufreq_get_driver_data' filepath='drivers/cpufreq/cpufreq.c' line='1968' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_get_driver_data'>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='cpufreq_get_policy' mangled-name='cpufreq_get_policy' filepath='drivers/cpufreq/cpufreq.c' line='2442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_get_policy'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2442' column='1'/>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='2442' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_policy_transition_delay_us' mangled-name='cpufreq_policy_transition_delay_us' filepath='drivers/cpufreq/cpufreq.c' line='570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_policy_transition_delay_us'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='570' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpufreq_quick_get' mangled-name='cpufreq_quick_get' filepath='drivers/cpufreq/cpufreq.c' line='1728' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_quick_get'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='1728' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpufreq_quick_get_max' mangled-name='cpufreq_quick_get_max' filepath='drivers/cpufreq/cpufreq.c' line='1760' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_quick_get_max'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='1760' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpufreq_register_driver' mangled-name='cpufreq_register_driver' filepath='drivers/cpufreq/cpufreq.c' line='2739' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_register_driver'>
+        <parameter type-id='eb90c228' name='driver_data' filepath='drivers/cpufreq/cpufreq.c' line='2739' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_register_governor' mangled-name='cpufreq_register_governor' filepath='drivers/cpufreq/cpufreq.c' line='2379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_register_governor'>
+        <parameter type-id='6925355c' name='governor' filepath='drivers/cpufreq/cpufreq.c' line='2379' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_register_notifier' mangled-name='cpufreq_register_notifier' filepath='drivers/cpufreq/cpufreq.c' line='1994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_register_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/cpufreq/cpufreq.c' line='1994' column='1'/>
+        <parameter type-id='f0981eeb' name='list' filepath='drivers/cpufreq/cpufreq.c' line='1994' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_remove_update_util_hook' mangled-name='cpufreq_remove_update_util_hook' filepath='kernel/sched/cpufreq.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_remove_update_util_hook'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/cpufreq.c' line='58' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_table_index_unsorted' mangled-name='cpufreq_table_index_unsorted' filepath='drivers/cpufreq/freq_table.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_table_index_unsorted'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/freq_table.c' line='120' column='1'/>
+        <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/freq_table.c' line='121' column='1'/>
+        <parameter type-id='f0981eeb' name='relation' filepath='drivers/cpufreq/freq_table.c' line='122' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_this_cpu_can_update' mangled-name='cpufreq_this_cpu_can_update' filepath='kernel/sched/cpufreq.c' line='73' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_this_cpu_can_update'>
+        <parameter type-id='343c3ae4' name='policy' filepath='kernel/sched/cpufreq.c' line='73' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='cpufreq_unregister_driver' mangled-name='cpufreq_unregister_driver' filepath='drivers/cpufreq/cpufreq.c' line='2842' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_unregister_driver'>
+        <parameter type-id='eb90c228' name='driver' filepath='drivers/cpufreq/cpufreq.c' line='2842' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpufreq_unregister_governor' mangled-name='cpufreq_unregister_governor' filepath='drivers/cpufreq/cpufreq.c' line='2402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_unregister_governor'>
+        <parameter type-id='6925355c' name='governor' filepath='drivers/cpufreq/cpufreq.c' line='2402' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpufreq_unregister_notifier' mangled-name='cpufreq_unregister_notifier' filepath='drivers/cpufreq/cpufreq.c' line='2038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_unregister_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/cpufreq/cpufreq.c' line='2038' column='1'/>
+        <parameter type-id='f0981eeb' name='list' filepath='drivers/cpufreq/cpufreq.c' line='2038' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='cpufreq_update_util_data' type-id='f681f934' mangled-name='cpufreq_update_util_data' visibility='default' filepath='kernel/sched/cpufreq.c' line='12' column='1' elf-symbol-id='cpufreq_update_util_data'/>
+      <var-decl name='cpuhp_tasks_frozen' type-id='b50a4934' mangled-name='cpuhp_tasks_frozen' visibility='default' filepath='kernel/cpu.c' line='273' column='1' elf-symbol-id='cpuhp_tasks_frozen'/>
+      <function-decl name='cpuidle_driver_state_disabled' mangled-name='cpuidle_driver_state_disabled' filepath='drivers/cpuidle/driver.c' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_driver_state_disabled'>
+        <parameter type-id='809cdefc' name='drv' filepath='drivers/cpuidle/driver.c' line='353' column='1'/>
+        <parameter type-id='95e97e5e' name='idx' filepath='drivers/cpuidle/driver.c' line='353' column='1'/>
+        <parameter type-id='b50a4934' name='disable' filepath='drivers/cpuidle/driver.c' line='354' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpuidle_get_cpu_driver' mangled-name='cpuidle_get_cpu_driver' filepath='drivers/cpuidle/driver.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_get_cpu_driver'>
+        <parameter type-id='1b0e1d00' name='dev' filepath='drivers/cpuidle/driver.c' line='338' column='1'/>
+        <return type-id='809cdefc'/>
+      </function-decl>
+      <function-decl name='cpuidle_get_driver' mangled-name='cpuidle_get_driver' filepath='drivers/cpuidle/driver.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_get_driver'>
+        <return type-id='809cdefc'/>
+      </function-decl>
+      <function-decl name='cpuidle_governor_latency_req' mangled-name='cpuidle_governor_latency_req' filepath='drivers/cpuidle/governor.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_governor_latency_req'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpuidle/governor.c' line='111' column='1'/>
+        <return type-id='9b7c55ef'/>
+      </function-decl>
+      <function-decl name='cpuidle_pause_and_lock' mangled-name='cpuidle_pause_and_lock' filepath='drivers/cpuidle/cpuidle.c' line='451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_pause_and_lock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpuidle_resume_and_unlock' mangled-name='cpuidle_resume_and_unlock' filepath='drivers/cpuidle/cpuidle.c' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_resume_and_unlock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpumask_any_and_distribute' mangled-name='cpumask_any_and_distribute' filepath='lib/cpumask.c' line='246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_any_and_distribute'>
+        <parameter type-id='5f8a1ac4' name='src1p' filepath='lib/cpumask.c' line='246' column='1'/>
+        <parameter type-id='5f8a1ac4' name='src2p' filepath='lib/cpumask.c' line='247' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpumask_any_but' mangled-name='cpumask_any_but' filepath='lib/cpumask.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_any_but'>
+        <parameter type-id='5f8a1ac4' name='mask' filepath='lib/cpumask.c' line='53' column='1'/>
+        <parameter type-id='f0981eeb' name='cpu' filepath='lib/cpumask.c' line='53' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpumask_next' mangled-name='cpumask_next' filepath='lib/cpumask.c' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_next'>
+        <parameter type-id='95e97e5e' name='n' filepath='lib/cpumask.c' line='17' column='1'/>
+        <parameter type-id='5f8a1ac4' name='srcp' filepath='lib/cpumask.c' line='17' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='cpumask_next_and' mangled-name='cpumask_next_and' filepath='lib/cpumask.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_next_and'>
+        <parameter type-id='95e97e5e' name='n' filepath='lib/cpumask.c' line='34' column='1'/>
+        <parameter type-id='5f8a1ac4' name='src1p' filepath='lib/cpumask.c' line='34' column='1'/>
+        <parameter type-id='5f8a1ac4' name='src2p' filepath='lib/cpumask.c' line='35' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpumask_next_wrap' mangled-name='cpumask_next_wrap' filepath='lib/cpumask.c' line='77' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_next_wrap'>
+        <parameter type-id='95e97e5e' name='n' filepath='lib/cpumask.c' line='77' column='1'/>
+        <parameter type-id='5f8a1ac4' name='mask' filepath='lib/cpumask.c' line='77' column='1'/>
+        <parameter type-id='95e97e5e' name='start' filepath='lib/cpumask.c' line='77' column='1'/>
+        <parameter type-id='b50a4934' name='wrap' filepath='lib/cpumask.c' line='77' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpupri_find_fitness' mangled-name='cpupri_find_fitness' filepath='kernel/sched/cpupri.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpupri_find_fitness'>
+        <parameter type-id='15c7dfa4' name='cp' filepath='kernel/sched/cpupri.c' line='147' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/cpupri.c' line='147' column='1'/>
+        <parameter type-id='74bccedd' name='lowest_mask' filepath='kernel/sched/cpupri.c' line='148' column='1'/>
+        <parameter type-id='cf77d29f' name='fitness_fn' filepath='kernel/sched/cpupri.c' line='149' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='cpus_read_lock' mangled-name='cpus_read_lock' filepath='kernel/cpu.c' line='302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpus_read_lock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='cpus_read_unlock' mangled-name='cpus_read_unlock' filepath='kernel/cpu.c' line='314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpus_read_unlock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crc16' mangled-name='crc16' filepath='lib/crc16.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc16'>
+        <parameter type-id='1dc6a898' name='crc' filepath='lib/crc16.c' line='55' column='1'/>
+        <parameter type-id='bbaf3419' name='buffer' filepath='lib/crc16.c' line='55' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='lib/crc16.c' line='55' column='1'/>
+        <return type-id='1dc6a898'/>
+      </function-decl>
+      <function-decl name='crc32_be' mangled-name='crc32_be' filepath='lib/crc32.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc32_be'>
+        <parameter type-id='19c2251e' name='crc' filepath='lib/crc32.c' line='340' column='1'/>
+        <parameter type-id='354f7eb9' name='p' filepath='lib/crc32.c' line='340' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='lib/crc32.c' line='340' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='crc8' mangled-name='crc8' filepath='lib/crc8.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc8'>
+        <parameter type-id='bbaf3419' name='table' filepath='lib/crc8.c' line='74' column='1'/>
+        <parameter type-id='8bff8096' name='pdata' filepath='lib/crc8.c' line='74' column='1'/>
+        <parameter type-id='b59d7dce' name='nbytes' filepath='lib/crc8.c' line='74' column='1'/>
+        <parameter type-id='f9b06939' name='crc' filepath='lib/crc8.c' line='74' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='crc8_populate_msb' mangled-name='crc8_populate_msb' filepath='lib/crc8.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc8_populate_msb'>
+        <parameter type-id='8bff8096' name='table' filepath='lib/crc8.c' line='29' column='1'/>
+        <parameter type-id='f9b06939' name='polynomial' filepath='lib/crc8.c' line='29' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='create_function_device' mangled-name='create_function_device' filepath='drivers/usb/gadget/configfs.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='create_function_device'>
+        <parameter type-id='26a90f95' name='name' filepath='drivers/usb/gadget/configfs.c' line='28' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='crypto_aead_decrypt' mangled-name='crypto_aead_decrypt' filepath='crypto/aead.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_decrypt'>
+        <parameter type-id='146bc842' name='req' filepath='crypto/aead.c' line='100' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_aead_encrypt' mangled-name='crypto_aead_encrypt' filepath='crypto/aead.c' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_encrypt'>
+        <parameter type-id='146bc842' name='req' filepath='crypto/aead.c' line='83' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_aead_setauthsize' mangled-name='crypto_aead_setauthsize' filepath='crypto/aead.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_setauthsize'>
+        <parameter type-id='a585cbc4' name='tfm' filepath='crypto/aead.c' line='64' column='1'/>
+        <parameter type-id='f0981eeb' name='authsize' filepath='crypto/aead.c' line='64' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_aead_setkey' mangled-name='crypto_aead_setkey' filepath='crypto/aead.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_setkey'>
+        <parameter type-id='a585cbc4' name='tfm' filepath='crypto/aead.c' line='43' column='1'/>
+        <parameter type-id='bbaf3419' name='key' filepath='crypto/aead.c' line='44' column='1'/>
+        <parameter type-id='f0981eeb' name='keylen' filepath='crypto/aead.c' line='44' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_ahash_digest' mangled-name='crypto_ahash_digest' filepath='crypto/ahash.c' line='368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_ahash_digest'>
+        <parameter type-id='6f3c82ac' name='req' filepath='crypto/ahash.c' line='368' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_ahash_final' mangled-name='crypto_ahash_final' filepath='crypto/ahash.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_ahash_final'>
+        <parameter type-id='6f3c82ac' name='req' filepath='crypto/ahash.c' line='340' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_ahash_finup' mangled-name='crypto_ahash_finup' filepath='crypto/ahash.c' line='354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_ahash_finup'>
+        <parameter type-id='6f3c82ac' name='req' filepath='crypto/ahash.c' line='354' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_ahash_setkey' mangled-name='crypto_ahash_setkey' filepath='crypto/ahash.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_ahash_setkey'>
+        <parameter type-id='1351523a' name='tfm' filepath='crypto/ahash.c' line='172' column='1'/>
+        <parameter type-id='bbaf3419' name='key' filepath='crypto/ahash.c' line='172' column='1'/>
+        <parameter type-id='f0981eeb' name='keylen' filepath='crypto/ahash.c' line='173' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='crypto_alg_list' type-id='72f469ec' mangled-name='crypto_alg_list' visibility='default' filepath='crypto/api.c' line='26' column='1' elf-symbol-id='crypto_alg_list'/>
+      <var-decl name='crypto_alg_sem' type-id='f19fdb93' mangled-name='crypto_alg_sem' visibility='default' filepath='crypto/api.c' line='28' column='1' elf-symbol-id='crypto_alg_sem'/>
+      <function-decl name='crypto_alloc_aead' mangled-name='crypto_alloc_aead' filepath='crypto/aead.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_aead'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/aead.c' line='214' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/aead.c' line='214' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/aead.c' line='214' column='1'/>
+        <return type-id='a585cbc4'/>
+      </function-decl>
+      <function-decl name='crypto_alloc_ahash' mangled-name='crypto_alloc_ahash' filepath='crypto/ahash.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_ahash'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/ahash.c' line='555' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/ahash.c' line='555' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/ahash.c' line='556' column='1'/>
+        <return type-id='1351523a'/>
+      </function-decl>
+      <function-decl name='crypto_alloc_akcipher' mangled-name='crypto_alloc_akcipher' filepath='crypto/akcipher.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_akcipher'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/akcipher.c' line='102' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/akcipher.c' line='102' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/akcipher.c' line='103' column='1'/>
+        <return type-id='6c4ff4a8'/>
+      </function-decl>
+      <function-decl name='crypto_alloc_base' mangled-name='crypto_alloc_base' filepath='crypto/api.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_base'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/api.c' line='441' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/api.c' line='441' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/api.c' line='441' column='1'/>
+        <return type-id='dfeb7f6c'/>
+      </function-decl>
+      <function-decl name='crypto_alloc_rng' mangled-name='crypto_alloc_rng' filepath='crypto/rng.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_rng'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/rng.c' line='110' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/rng.c' line='110' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/rng.c' line='110' column='1'/>
+        <return type-id='5474f420'/>
+      </function-decl>
+      <function-decl name='crypto_alloc_shash' mangled-name='crypto_alloc_shash' filepath='crypto/shash.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_shash'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/shash.c' line='517' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/shash.c' line='517' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/shash.c' line='518' column='1'/>
+        <return type-id='247dd85c'/>
+      </function-decl>
+      <function-decl name='crypto_alloc_skcipher' mangled-name='crypto_alloc_skcipher' filepath='crypto/skcipher.c' line='759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_skcipher'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/skcipher.c' line='759' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/skcipher.c' line='760' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/skcipher.c' line='760' column='1'/>
+        <return type-id='72bb8c36'/>
+      </function-decl>
+      <function-decl name='crypto_alloc_sync_skcipher' mangled-name='crypto_alloc_sync_skcipher' filepath='crypto/skcipher.c' line='766' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_sync_skcipher'>
+        <parameter type-id='80f4b756' name='alg_name' filepath='crypto/skcipher.c' line='767' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/skcipher.c' line='767' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/skcipher.c' line='767' column='1'/>
+        <return type-id='2e6a2f40'/>
+      </function-decl>
+      <function-decl name='crypto_attr_alg_name' mangled-name='crypto_attr_alg_name' filepath='crypto/algapi.c' line='878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_attr_alg_name'>
+        <parameter type-id='f28646d2' name='rta' filepath='crypto/algapi.c' line='878' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='crypto_check_attr_type' mangled-name='crypto_check_attr_type' filepath='crypto/algapi.c' line='862' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_check_attr_type'>
+        <parameter type-id='c161b868' name='tb' filepath='crypto/algapi.c' line='862' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/algapi.c' line='862' column='1'/>
+        <parameter type-id='f9409001' name='mask_ret' filepath='crypto/algapi.c' line='862' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_cipher_encrypt_one' mangled-name='crypto_cipher_encrypt_one' filepath='crypto/cipher.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_cipher_encrypt_one'>
+        <parameter type-id='75f72758' name='tfm' filepath='crypto/cipher.c' line='80' column='1'/>
+        <parameter type-id='8bff8096' name='dst' filepath='crypto/cipher.c' line='81' column='1'/>
+        <parameter type-id='bbaf3419' name='src' filepath='crypto/cipher.c' line='81' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_cipher_setkey' mangled-name='crypto_cipher_setkey' filepath='crypto/cipher.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_cipher_setkey'>
+        <parameter type-id='75f72758' name='tfm' filepath='crypto/cipher.c' line='43' column='1'/>
+        <parameter type-id='bbaf3419' name='key' filepath='crypto/cipher.c' line='44' column='1'/>
+        <parameter type-id='f0981eeb' name='keylen' filepath='crypto/cipher.c' line='44' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_comp_compress' mangled-name='crypto_comp_compress' filepath='crypto/compress.c' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_comp_compress'>
+        <parameter type-id='a064fed8' name='comp' filepath='crypto/compress.c' line='12' column='1'/>
+        <parameter type-id='bbaf3419' name='src' filepath='crypto/compress.c' line='13' column='1'/>
+        <parameter type-id='f0981eeb' name='slen' filepath='crypto/compress.c' line='13' column='1'/>
+        <parameter type-id='8bff8096' name='dst' filepath='crypto/compress.c' line='14' column='1'/>
+        <parameter type-id='807869d3' name='dlen' filepath='crypto/compress.c' line='14' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_comp_decompress' mangled-name='crypto_comp_decompress' filepath='crypto/compress.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_comp_decompress'>
+        <parameter type-id='a064fed8' name='comp' filepath='crypto/compress.c' line='23' column='1'/>
+        <parameter type-id='bbaf3419' name='src' filepath='crypto/compress.c' line='24' column='1'/>
+        <parameter type-id='f0981eeb' name='slen' filepath='crypto/compress.c' line='24' column='1'/>
+        <parameter type-id='8bff8096' name='dst' filepath='crypto/compress.c' line='25' column='1'/>
+        <parameter type-id='807869d3' name='dlen' filepath='crypto/compress.c' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_dequeue_request' mangled-name='crypto_dequeue_request' filepath='crypto/algapi.c' line='969' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_dequeue_request'>
+        <parameter type-id='1a8fddbe' name='queue' filepath='crypto/algapi.c' line='969' column='1'/>
+        <return type-id='af5eeab9'/>
+      </function-decl>
+      <function-decl name='crypto_destroy_tfm' mangled-name='crypto_destroy_tfm' filepath='crypto/api.c' line='600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_destroy_tfm'>
+        <parameter type-id='eaa32e2f' name='mem' filepath='crypto/api.c' line='600' column='1'/>
+        <parameter type-id='dfeb7f6c' name='tfm' filepath='crypto/api.c' line='600' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_drop_spawn' mangled-name='crypto_drop_spawn' filepath='crypto/algapi.c' line='729' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_drop_spawn'>
+        <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='729' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_enqueue_request' mangled-name='crypto_enqueue_request' filepath='crypto/algapi.c' line='938' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_enqueue_request'>
+        <parameter type-id='1a8fddbe' name='queue' filepath='crypto/algapi.c' line='938' column='1'/>
+        <parameter type-id='af5eeab9' name='request' filepath='crypto/algapi.c' line='939' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_get_default_null_skcipher' mangled-name='crypto_get_default_null_skcipher' filepath='crypto/crypto_null.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_get_default_null_skcipher'>
+        <return type-id='2e6a2f40'/>
+      </function-decl>
+      <function-decl name='crypto_grab_aead' mangled-name='crypto_grab_aead' filepath='crypto/aead.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_aead'>
+        <parameter type-id='2476e63c' name='spawn' filepath='crypto/aead.c' line='205' column='1'/>
+        <parameter type-id='708ae4d0' name='inst' filepath='crypto/aead.c' line='206' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='crypto/aead.c' line='207' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/aead.c' line='207' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/aead.c' line='207' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_grab_ahash' mangled-name='crypto_grab_ahash' filepath='crypto/ahash.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_ahash'>
+        <parameter type-id='d797bdf2' name='spawn' filepath='crypto/ahash.c' line='546' column='1'/>
+        <parameter type-id='708ae4d0' name='inst' filepath='crypto/ahash.c' line='547' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='crypto/ahash.c' line='548' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/ahash.c' line='548' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/ahash.c' line='548' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_grab_shash' mangled-name='crypto_grab_shash' filepath='crypto/shash.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_shash'>
+        <parameter type-id='64015654' name='spawn' filepath='crypto/shash.c' line='508' column='1'/>
+        <parameter type-id='708ae4d0' name='inst' filepath='crypto/shash.c' line='509' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='crypto/shash.c' line='510' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/shash.c' line='510' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/shash.c' line='510' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_grab_skcipher' mangled-name='crypto_grab_skcipher' filepath='crypto/skcipher.c' line='750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_skcipher'>
+        <parameter type-id='442ae2b6' name='spawn' filepath='crypto/skcipher.c' line='750' column='1'/>
+        <parameter type-id='708ae4d0' name='inst' filepath='crypto/skcipher.c' line='751' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='crypto/skcipher.c' line='752' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/skcipher.c' line='752' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/skcipher.c' line='752' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_grab_spawn' mangled-name='crypto_grab_spawn' filepath='crypto/algapi.c' line='694' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_spawn'>
+        <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='694' column='1'/>
+        <parameter type-id='708ae4d0' name='inst' filepath='crypto/algapi.c' line='694' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='crypto/algapi.c' line='695' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/algapi.c' line='695' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/algapi.c' line='695' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_has_alg' mangled-name='crypto_has_alg' filepath='crypto/api.c' line='617' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_has_alg'>
+        <parameter type-id='80f4b756' name='name' filepath='crypto/api.c' line='617' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/api.c' line='617' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/api.c' line='617' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_inc' mangled-name='crypto_inc' filepath='crypto/algapi.c' line='1001' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_inc'>
+        <parameter type-id='8bff8096' name='a' filepath='crypto/algapi.c' line='1001' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='crypto/algapi.c' line='1001' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_init_queue' mangled-name='crypto_init_queue' filepath='crypto/algapi.c' line='929' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_init_queue'>
+        <parameter type-id='1a8fddbe' name='queue' filepath='crypto/algapi.c' line='929' column='1'/>
+        <parameter type-id='f0981eeb' name='max_qlen' filepath='crypto/algapi.c' line='929' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_inst_setname' mangled-name='crypto_inst_setname' filepath='crypto/algapi.c' line='914' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_inst_setname'>
+        <parameter type-id='708ae4d0' name='inst' filepath='crypto/algapi.c' line='914' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='crypto/algapi.c' line='914' column='1'/>
+        <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='915' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_put_default_null_skcipher' mangled-name='crypto_put_default_null_skcipher' filepath='crypto/crypto_null.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_put_default_null_skcipher'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_register_aead' mangled-name='crypto_register_aead' filepath='crypto/aead.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_aead'>
+        <parameter type-id='e4163de3' name='alg' filepath='crypto/aead.c' line='238' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_aeads' mangled-name='crypto_register_aeads' filepath='crypto/aead.c' line='257' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_aeads'>
+        <parameter type-id='e4163de3' name='algs' filepath='crypto/aead.c' line='257' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/aead.c' line='257' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_ahash' mangled-name='crypto_register_ahash' filepath='crypto/ahash.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_ahash'>
+        <parameter type-id='16144ad1' name='alg' filepath='crypto/ahash.c' line='584' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_ahashes' mangled-name='crypto_register_ahashes' filepath='crypto/ahash.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_ahashes'>
+        <parameter type-id='16144ad1' name='algs' filepath='crypto/ahash.c' line='603' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/ahash.c' line='603' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_akcipher' mangled-name='crypto_register_akcipher' filepath='crypto/akcipher.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_akcipher'>
+        <parameter type-id='33cd8a7f' name='alg' filepath='crypto/akcipher.c' line='129' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_alg' mangled-name='crypto_register_alg' filepath='crypto/algapi.c' line='428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_alg'>
+        <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='428' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_algs' mangled-name='crypto_register_algs' filepath='crypto/algapi.c' line='492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_algs'>
+        <parameter type-id='67f526b5' name='algs' filepath='crypto/algapi.c' line='492' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='492' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_notifier' mangled-name='crypto_register_notifier' filepath='crypto/algapi.c' line='816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='crypto/algapi.c' line='816' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_rng' mangled-name='crypto_register_rng' filepath='crypto/rng.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_rng'>
+        <parameter type-id='090a6ee7' name='alg' filepath='crypto/rng.c' line='177' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_rngs' mangled-name='crypto_register_rngs' filepath='crypto/rng.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_rngs'>
+        <parameter type-id='090a6ee7' name='algs' filepath='crypto/rng.c' line='198' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/rng.c' line='198' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_scomp' mangled-name='crypto_register_scomp' filepath='crypto/scompress.c' line='257' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_scomp'>
+        <parameter type-id='6e764b1e' name='alg' filepath='crypto/scompress.c' line='257' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_shash' mangled-name='crypto_register_shash' filepath='crypto/shash.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_shash'>
+        <parameter type-id='1be0f6ab' name='alg' filepath='crypto/shash.c' line='555' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_shashes' mangled-name='crypto_register_shashes' filepath='crypto/shash.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_shashes'>
+        <parameter type-id='1be0f6ab' name='algs' filepath='crypto/shash.c' line='574' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/shash.c' line='574' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_skcipher' mangled-name='crypto_register_skcipher' filepath='crypto/skcipher.c' line='816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_skcipher'>
+        <parameter type-id='613dff15' name='alg' filepath='crypto/skcipher.c' line='816' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_skciphers' mangled-name='crypto_register_skciphers' filepath='crypto/skcipher.c' line='835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_skciphers'>
+        <parameter type-id='613dff15' name='algs' filepath='crypto/skcipher.c' line='835' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/skcipher.c' line='835' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_template' mangled-name='crypto_register_template' filepath='crypto/algapi.c' line='521' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_template'>
+        <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/algapi.c' line='521' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_register_templates' mangled-name='crypto_register_templates' filepath='crypto/algapi.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_templates'>
+        <parameter type-id='f0f856cb' name='tmpls' filepath='crypto/algapi.c' line='543' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='543' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_remove_spawns' mangled-name='crypto_remove_spawns' filepath='crypto/algapi.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_remove_spawns'>
+        <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='139' column='1'/>
+        <parameter type-id='e84b031a' name='list' filepath='crypto/algapi.c' line='139' column='1'/>
+        <parameter type-id='67f526b5' name='nalg' filepath='crypto/algapi.c' line='140' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_req_done' mangled-name='crypto_req_done' filepath='crypto/api.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_req_done'>
+        <parameter type-id='af5eeab9' name='req' filepath='crypto/api.c' line='631' column='1'/>
+        <parameter type-id='95e97e5e' name='err' filepath='crypto/api.c' line='631' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_rng_reset' mangled-name='crypto_rng_reset' filepath='crypto/rng.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_rng_reset'>
+        <parameter type-id='5474f420' name='tfm' filepath='crypto/rng.c' line='31' column='1'/>
+        <parameter type-id='bbaf3419' name='seed' filepath='crypto/rng.c' line='31' column='1'/>
+        <parameter type-id='f0981eeb' name='slen' filepath='crypto/rng.c' line='31' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_sha1_finup' mangled-name='crypto_sha1_finup' filepath='crypto/sha1_generic.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_sha1_finup'>
+        <parameter type-id='32efad44' name='desc' filepath='crypto/sha1_generic.c' line='55' column='1'/>
+        <parameter type-id='bbaf3419' name='data' filepath='crypto/sha1_generic.c' line='55' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/sha1_generic.c' line='56' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='crypto/sha1_generic.c' line='56' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_sha1_update' mangled-name='crypto_sha1_update' filepath='crypto/sha1_generic.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_sha1_update'>
+        <parameter type-id='32efad44' name='desc' filepath='crypto/sha1_generic.c' line='42' column='1'/>
+        <parameter type-id='bbaf3419' name='data' filepath='crypto/sha1_generic.c' line='42' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/sha1_generic.c' line='43' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_shash_alg_has_setkey' mangled-name='crypto_shash_alg_has_setkey' filepath='crypto/shash.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_alg_has_setkey'>
+        <parameter type-id='1be0f6ab' name='alg' filepath='crypto/shash.c' line='36' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='crypto_shash_digest' mangled-name='crypto_shash_digest' filepath='crypto/shash.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_digest'>
+        <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='204' column='1'/>
+        <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='204' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='205' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='205' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_shash_final' mangled-name='crypto_shash_final' filepath='crypto/shash.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_final'>
+        <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='163' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='163' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_shash_finup' mangled-name='crypto_shash_finup' filepath='crypto/shash.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_finup'>
+        <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='183' column='1'/>
+        <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='183' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='184' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='184' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_shash_setkey' mangled-name='crypto_shash_setkey' filepath='crypto/shash.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_setkey'>
+        <parameter type-id='247dd85c' name='tfm' filepath='crypto/shash.c' line='69' column='1'/>
+        <parameter type-id='bbaf3419' name='key' filepath='crypto/shash.c' line='69' column='1'/>
+        <parameter type-id='f0981eeb' name='keylen' filepath='crypto/shash.c' line='70' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_shash_tfm_digest' mangled-name='crypto_shash_tfm_digest' filepath='crypto/shash.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_tfm_digest'>
+        <parameter type-id='247dd85c' name='tfm' filepath='crypto/shash.c' line='221' column='1'/>
+        <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='221' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='222' column='1'/>
+        <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='222' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_shash_update' mangled-name='crypto_shash_update' filepath='crypto/shash.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_update'>
+        <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='121' column='1'/>
+        <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='121' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='122' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_skcipher_decrypt' mangled-name='crypto_skcipher_decrypt' filepath='crypto/skcipher.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_skcipher_decrypt'>
+        <parameter type-id='c249b570' name='req' filepath='crypto/skcipher.c' line='642' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_skcipher_encrypt' mangled-name='crypto_skcipher_encrypt' filepath='crypto/skcipher.c' line='625' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_skcipher_encrypt'>
+        <parameter type-id='c249b570' name='req' filepath='crypto/skcipher.c' line='625' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_skcipher_setkey' mangled-name='crypto_skcipher_setkey' filepath='crypto/skcipher.c' line='600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_skcipher_setkey'>
+        <parameter type-id='72bb8c36' name='tfm' filepath='crypto/skcipher.c' line='600' column='1'/>
+        <parameter type-id='bbaf3419' name='key' filepath='crypto/skcipher.c' line='600' column='1'/>
+        <parameter type-id='f0981eeb' name='keylen' filepath='crypto/skcipher.c' line='601' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_spawn_tfm' mangled-name='crypto_spawn_tfm' filepath='crypto/algapi.c' line='769' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_spawn_tfm'>
+        <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='769' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='crypto/algapi.c' line='769' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='crypto/algapi.c' line='770' column='1'/>
+        <return type-id='dfeb7f6c'/>
+      </function-decl>
+      <function-decl name='crypto_spawn_tfm2' mangled-name='crypto_spawn_tfm2' filepath='crypto/algapi.c' line='795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_spawn_tfm2'>
+        <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='795' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_aead' mangled-name='crypto_unregister_aead' filepath='crypto/aead.c' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_aead'>
+        <parameter type-id='e4163de3' name='alg' filepath='crypto/aead.c' line='251' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_ahash' mangled-name='crypto_unregister_ahash' filepath='crypto/ahash.c' line='597' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_ahash'>
+        <parameter type-id='16144ad1' name='alg' filepath='crypto/ahash.c' line='597' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_akcipher' mangled-name='crypto_unregister_akcipher' filepath='crypto/akcipher.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_akcipher'>
+        <parameter type-id='33cd8a7f' name='alg' filepath='crypto/akcipher.c' line='149' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_alg' mangled-name='crypto_unregister_alg' filepath='crypto/algapi.c' line='470' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_alg'>
+        <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='470' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_algs' mangled-name='crypto_unregister_algs' filepath='crypto/algapi.c' line='512' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_algs'>
+        <parameter type-id='67f526b5' name='algs' filepath='crypto/algapi.c' line='512' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='512' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_notifier' mangled-name='crypto_unregister_notifier' filepath='crypto/algapi.c' line='822' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='crypto/algapi.c' line='822' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_rng' mangled-name='crypto_unregister_rng' filepath='crypto/rng.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_rng'>
+        <parameter type-id='090a6ee7' name='alg' filepath='crypto/rng.c' line='192' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_rngs' mangled-name='crypto_unregister_rngs' filepath='crypto/rng.c' line='218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_rngs'>
+        <parameter type-id='090a6ee7' name='algs' filepath='crypto/rng.c' line='218' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/rng.c' line='218' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_scomp' mangled-name='crypto_unregister_scomp' filepath='crypto/scompress.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_scomp'>
+        <parameter type-id='6e764b1e' name='alg' filepath='crypto/scompress.c' line='269' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_shash' mangled-name='crypto_unregister_shash' filepath='crypto/shash.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_shash'>
+        <parameter type-id='1be0f6ab' name='alg' filepath='crypto/shash.c' line='568' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_shashes' mangled-name='crypto_unregister_shashes' filepath='crypto/shash.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_shashes'>
+        <parameter type-id='1be0f6ab' name='algs' filepath='crypto/shash.c' line='594' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/shash.c' line='594' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_skcipher' mangled-name='crypto_unregister_skcipher' filepath='crypto/skcipher.c' line='829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_skcipher'>
+        <parameter type-id='613dff15' name='alg' filepath='crypto/skcipher.c' line='829' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_skciphers' mangled-name='crypto_unregister_skciphers' filepath='crypto/skcipher.c' line='855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_skciphers'>
+        <parameter type-id='613dff15' name='algs' filepath='crypto/skcipher.c' line='855' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/skcipher.c' line='855' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_template' mangled-name='crypto_unregister_template' filepath='crypto/algapi.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_template'>
+        <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/algapi.c' line='561' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='crypto_unregister_templates' mangled-name='crypto_unregister_templates' filepath='crypto/algapi.c' line='590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_templates'>
+        <parameter type-id='f0f856cb' name='tmpls' filepath='crypto/algapi.c' line='590' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='590' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='csum_ipv6_magic' mangled-name='csum_ipv6_magic' filepath='arch/arm64/lib/csum.c' line='132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='csum_ipv6_magic'>
+        <parameter type-id='fea9c20b' name='saddr' filepath='arch/arm64/lib/csum.c' line='132' column='1'/>
+        <parameter type-id='fea9c20b' name='daddr' filepath='arch/arm64/lib/csum.c' line='133' column='1'/>
+        <parameter type-id='3f1a6b60' name='len' filepath='arch/arm64/lib/csum.c' line='134' column='1'/>
+        <parameter type-id='8f048e17' name='proto' filepath='arch/arm64/lib/csum.c' line='134' column='1'/>
+        <parameter type-id='fbd88bba' name='csum' filepath='arch/arm64/lib/csum.c' line='134' column='1'/>
+        <return type-id='7dac1e36'/>
+      </function-decl>
+      <function-decl name='csum_partial' mangled-name='csum_partial' filepath='lib/checksum.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='csum_partial'>
+        <parameter type-id='eaa32e2f' name='buff' filepath='lib/checksum.c' line='125' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='lib/checksum.c' line='125' column='1'/>
+        <parameter type-id='fbd88bba' name='wsum' filepath='lib/checksum.c' line='125' column='1'/>
+        <return type-id='fbd88bba'/>
+      </function-decl>
+      <function-decl name='csum_tcpudp_nofold' mangled-name='csum_tcpudp_nofold' filepath='lib/checksum.c' line='158' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='csum_tcpudp_nofold'>
+        <parameter type-id='78a133c2' name='saddr' filepath='lib/checksum.c' line='158' column='1'/>
+        <parameter type-id='78a133c2' name='daddr' filepath='lib/checksum.c' line='158' column='1'/>
+        <parameter type-id='3f1a6b60' name='len' filepath='lib/checksum.c' line='159' column='1'/>
+        <parameter type-id='8f048e17' name='proto' filepath='lib/checksum.c' line='159' column='1'/>
+        <parameter type-id='fbd88bba' name='sum' filepath='lib/checksum.c' line='159' column='1'/>
+        <return type-id='fbd88bba'/>
+      </function-decl>
+      <function-decl name='current_time' mangled-name='current_time' filepath='fs/inode.c' line='2294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='current_time'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/inode.c' line='2294' column='1'/>
+        <return type-id='40a816ad'/>
+      </function-decl>
+      <function-decl name='current_work' mangled-name='current_work' filepath='kernel/workqueue.c' line='4536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='current_work'>
+        <return type-id='83c1bde6'/>
+      </function-decl>
+      <function-decl name='d_add' mangled-name='d_add' filepath='fs/dcache.c' line='2695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_add'>
+        <parameter type-id='27675065' name='entry' filepath='fs/dcache.c' line='2695' column='1'/>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/dcache.c' line='2695' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='d_alloc_name' mangled-name='d_alloc_name' filepath='fs/dcache.c' line='1844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_alloc_name'>
+        <parameter type-id='27675065' name='parent' filepath='fs/dcache.c' line='1844' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/dcache.c' line='1844' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='d_delete' mangled-name='d_delete' filepath='fs/dcache.c' line='2459' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_delete'>
+        <parameter type-id='27675065' name='dentry' filepath='fs/dcache.c' line='2459' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='d_make_root' mangled-name='d_make_root' filepath='fs/dcache.c' line='2003' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_make_root'>
+        <parameter type-id='7e666abe' name='root_inode' filepath='fs/dcache.c' line='2003' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='d_path' mangled-name='d_path' filepath='fs/d_path.c' line='262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_path'>
+        <parameter type-id='a77efac3' name='path' filepath='fs/d_path.c' line='262' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/d_path.c' line='262' column='1'/>
+        <parameter type-id='95e97e5e' name='buflen' filepath='fs/d_path.c' line='262' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='dapm_pinctrl_event' mangled-name='dapm_pinctrl_event' filepath='sound/soc/soc-dapm.c' line='1382' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dapm_pinctrl_event'>
+        <parameter type-id='810606ec' name='w' filepath='sound/soc/soc-dapm.c' line='1382' column='1'/>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='1383' column='1'/>
+        <parameter type-id='95e97e5e' name='event' filepath='sound/soc/soc-dapm.c' line='1383' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dapm_regulator_event' mangled-name='dapm_regulator_event' filepath='sound/soc/soc-dapm.c' line='1348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dapm_regulator_event'>
+        <parameter type-id='810606ec' name='w' filepath='sound/soc/soc-dapm.c' line='1348' column='1'/>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='1349' column='1'/>
+        <parameter type-id='95e97e5e' name='event' filepath='sound/soc/soc-dapm.c' line='1349' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='datagram_poll' mangled-name='datagram_poll' filepath='net/core/datagram.c' line='797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='datagram_poll'>
+        <parameter type-id='77e79a4b' name='file' filepath='net/core/datagram.c' line='797' column='1'/>
+        <parameter type-id='13103032' name='sock' filepath='net/core/datagram.c' line='797' column='1'/>
+        <parameter type-id='a54c778f' name='wait' filepath='net/core/datagram.c' line='798' column='1'/>
+        <return type-id='8f254b08'/>
+      </function-decl>
+      <function-decl name='dbs_update' mangled-name='dbs_update' filepath='drivers/cpufreq/cpufreq_governor.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dbs_update'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='114' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='deactivate_task' mangled-name='deactivate_task' filepath='kernel/sched/core.c' line='1706' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='deactivate_task'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='1706' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1706' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='kernel/sched/core.c' line='1706' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_attr_read' mangled-name='debugfs_attr_read' filepath='fs/debugfs/file.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_attr_read'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/debugfs/file.c' line='366' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/debugfs/file.c' line='366' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='fs/debugfs/file.c' line='367' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/debugfs/file.c' line='367' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='debugfs_attr_write' mangled-name='debugfs_attr_write' filepath='fs/debugfs/file.c' line='398' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_attr_write'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/debugfs/file.c' line='398' column='1'/>
+        <parameter type-id='80f4b756' name='buf' filepath='fs/debugfs/file.c' line='398' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='fs/debugfs/file.c' line='399' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/debugfs/file.c' line='399' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_atomic_t' mangled-name='debugfs_create_atomic_t' filepath='fs/debugfs/file.c' line='785' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_atomic_t'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='785' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='785' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='786' column='1'/>
+        <parameter type-id='8a47abc3' name='value' filepath='fs/debugfs/file.c' line='786' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_blob' mangled-name='debugfs_create_blob' filepath='fs/debugfs/file.c' line='933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_blob'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='933' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='933' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='934' column='1'/>
+        <parameter type-id='3a843513' name='blob' filepath='fs/debugfs/file.c' line='935' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='debugfs_create_bool' mangled-name='debugfs_create_bool' filepath='fs/debugfs/file.c' line='880' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_bool'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='880' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='880' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='881' column='1'/>
+        <parameter type-id='d8e6b335' name='value' filepath='fs/debugfs/file.c' line='881' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='debugfs_create_devm_seqfile' mangled-name='debugfs_create_devm_seqfile' filepath='fs/debugfs/file.c' line='1150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_devm_seqfile'>
+        <parameter type-id='fa0b179b' name='dev' filepath='fs/debugfs/file.c' line='1150' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='1150' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='1151' column='1'/>
+        <parameter type-id='0131eb61' name='read_fn' filepath='fs/debugfs/file.c' line='1152' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_dir' mangled-name='debugfs_create_dir' filepath='fs/debugfs/inode.c' line='551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_dir'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='551' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='551' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='debugfs_create_file' mangled-name='debugfs_create_file' filepath='fs/debugfs/inode.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_file'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='450' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/inode.c' line='450' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='451' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/debugfs/inode.c' line='451' column='1'/>
+        <parameter type-id='61758ee5' name='fops' filepath='fs/debugfs/inode.c' line='452' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='debugfs_create_file_unsafe' mangled-name='debugfs_create_file_unsafe' filepath='fs/debugfs/inode.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_file_unsafe'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='489' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/inode.c' line='489' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='490' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/debugfs/inode.c' line='490' column='1'/>
+        <parameter type-id='61758ee5' name='fops' filepath='fs/debugfs/inode.c' line='491' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='debugfs_create_regset32' mangled-name='debugfs_create_regset32' filepath='fs/debugfs/file.c' line='1110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_regset32'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='1110' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='1110' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='1111' column='1'/>
+        <parameter type-id='62fa2ea7' name='regset' filepath='fs/debugfs/file.c' line='1112' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_size_t' mangled-name='debugfs_create_size_t' filepath='fs/debugfs/file.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_size_t'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='749' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='749' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='750' column='1'/>
+        <parameter type-id='78c01427' name='value' filepath='fs/debugfs/file.c' line='750' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_symlink' mangled-name='debugfs_create_symlink' filepath='fs/debugfs/inode.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_symlink'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='654' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='654' column='1'/>
+        <parameter type-id='80f4b756' name='target' filepath='fs/debugfs/inode.c' line='655' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='debugfs_create_u16' mangled-name='debugfs_create_u16' filepath='fs/debugfs/file.c' line='494' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u16'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='494' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='494' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='494' column='1'/>
+        <parameter type-id='26d4d46f' name='value' filepath='fs/debugfs/file.c' line='495' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_u32' mangled-name='debugfs_create_u32' filepath='fs/debugfs/file.c' line='530' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u32'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='530' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='530' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='530' column='1'/>
+        <parameter type-id='f9409001' name='value' filepath='fs/debugfs/file.c' line='531' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_u64' mangled-name='debugfs_create_u64' filepath='fs/debugfs/file.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u64'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='567' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='567' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='567' column='1'/>
+        <parameter type-id='3df9fd28' name='value' filepath='fs/debugfs/file.c' line='568' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_u8' mangled-name='debugfs_create_u8' filepath='fs/debugfs/file.c' line='458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u8'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='458' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='458' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='458' column='1'/>
+        <parameter type-id='8bff8096' name='value' filepath='fs/debugfs/file.c' line='459' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_x32' mangled-name='debugfs_create_x32' filepath='fs/debugfs/file.c' line='697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_x32'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='697' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='697' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='697' column='1'/>
+        <parameter type-id='f9409001' name='value' filepath='fs/debugfs/file.c' line='698' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_create_x64' mangled-name='debugfs_create_x64' filepath='fs/debugfs/file.c' line='715' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_x64'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='715' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='715' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='715' column='1'/>
+        <parameter type-id='3df9fd28' name='value' filepath='fs/debugfs/file.c' line='716' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_lookup' mangled-name='debugfs_lookup' filepath='fs/debugfs/inode.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_lookup'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='296' column='1'/>
+        <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='296' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='debugfs_remove' mangled-name='debugfs_remove' filepath='fs/debugfs/inode.c' line='722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_remove'>
+        <parameter type-id='27675065' name='dentry' filepath='fs/debugfs/inode.c' line='722' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='debugfs_rename' mangled-name='debugfs_rename' filepath='fs/debugfs/inode.c' line='774' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_rename'>
+        <parameter type-id='27675065' name='old_dir' filepath='fs/debugfs/inode.c' line='774' column='1'/>
+        <parameter type-id='27675065' name='old_dentry' filepath='fs/debugfs/inode.c' line='774' column='1'/>
+        <parameter type-id='27675065' name='new_dir' filepath='fs/debugfs/inode.c' line='775' column='1'/>
+        <parameter type-id='80f4b756' name='new_name' filepath='fs/debugfs/inode.c' line='775' column='1'/>
+        <return type-id='27675065'/>
+      </function-decl>
+      <function-decl name='dec_zone_page_state' mangled-name='dec_zone_page_state' filepath='mm/vmstat.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dec_zone_page_state'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/vmstat.c' line='540' column='1'/>
+        <parameter type-id='a1f2d9a1' name='item' filepath='mm/vmstat.c' line='540' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='default_llseek' mangled-name='default_llseek' filepath='fs/read_write.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='default_llseek'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='236' column='1'/>
+        <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='236' column='1'/>
+        <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='236' column='1'/>
+        <return type-id='69bf7bee'/>
+      </function-decl>
+      <function-decl name='default_wake_function' mangled-name='default_wake_function' filepath='kernel/sched/core.c' line='5073' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='default_wake_function'>
+        <parameter type-id='ba9aa326' name='curr' filepath='kernel/sched/core.c' line='5073' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/core.c' line='5073' column='1'/>
+        <parameter type-id='95e97e5e' name='wake_flags' filepath='kernel/sched/core.c' line='5073' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/core.c' line='5074' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='deferred_free' mangled-name='deferred_free' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='deferred_free'>
+        <parameter type-id='f812e4e9' name='item' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='25' column='1'/>
+        <parameter type-id='eddc89a2' name='free' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='26' column='1'/>
+        <parameter type-id='b59d7dce' name='nr_pages' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='28' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='del_gendisk' mangled-name='del_gendisk' filepath='block/genhd.c' line='892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_gendisk'>
+        <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='892' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='del_random_ready_callback' mangled-name='del_random_ready_callback' filepath='drivers/char/random.c' line='1584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_random_ready_callback'>
+        <parameter type-id='b47c553a' name='rdy' filepath='drivers/char/random.c' line='1584' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='del_timer' mangled-name='del_timer' filepath='kernel/time/timer.c' line='1204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_timer'>
+        <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1204' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='del_timer_sync' mangled-name='del_timer_sync' filepath='kernel/time/timer.c' line='1358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_timer_sync'>
+        <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1358' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='delayed_work_timer_fn' mangled-name='delayed_work_timer_fn' filepath='kernel/workqueue.c' line='1638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='delayed_work_timer_fn'>
+        <parameter type-id='9248e67f' name='t' filepath='kernel/workqueue.c' line='1638' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='desc_to_gpio' mangled-name='desc_to_gpio' filepath='drivers/gpio/gpiolib.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='desc_to_gpio'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='164' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='destroy_workqueue' mangled-name='destroy_workqueue' filepath='kernel/workqueue.c' line='4409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='destroy_workqueue'>
+        <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='4409' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_alloc_name' mangled-name='dev_alloc_name' filepath='net/core/dev.c' line='1271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_alloc_name'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1271' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='1271' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='dev_base_lock' type-id='ac16795b' mangled-name='dev_base_lock' visibility='default' filepath='net/core/dev.c' line='191' column='1' elf-symbol-id='dev_base_lock'/>
+      <function-decl name='dev_close' mangled-name='dev_close' filepath='net/core/dev.c' line='1671' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_close'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1671' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_coredumpm' mangled-name='dev_coredumpm' filepath='drivers/base/devcoredump.c' line='327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_coredumpm'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devcoredump.c' line='327' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/base/devcoredump.c' line='327' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devcoredump.c' line='328' column='1'/>
+        <parameter type-id='b59d7dce' name='datalen' filepath='drivers/base/devcoredump.c' line='328' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devcoredump.c' line='328' column='1'/>
+        <parameter type-id='e91f335d' name='read' filepath='drivers/base/devcoredump.c' line='329' column='1'/>
+        <parameter type-id='b7f9d8e6' name='free' filepath='drivers/base/devcoredump.c' line='331' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_coredumpv' mangled-name='dev_coredumpv' filepath='drivers/base/devcoredump.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_coredumpv'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devcoredump.c' line='260' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devcoredump.c' line='260' column='1'/>
+        <parameter type-id='b59d7dce' name='datalen' filepath='drivers/base/devcoredump.c' line='260' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devcoredump.c' line='261' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_driver_string' mangled-name='dev_driver_string' filepath='drivers/base/core.c' line='1964' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_driver_string'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='1964' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='dev_err_probe' mangled-name='dev_err_probe' filepath='drivers/base/core.c' line='4547' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_err_probe'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4547' column='1'/>
+        <parameter type-id='95e97e5e' name='err' filepath='drivers/base/core.c' line='4547' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4547' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_fwnode' mangled-name='dev_fwnode' filepath='drivers/base/property.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_fwnode'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='21' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='dev_get_by_name' mangled-name='dev_get_by_name' filepath='net/core/dev.c' line='910' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_by_name'>
+        <parameter type-id='a2bff676' name='net' filepath='net/core/dev.c' line='910' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='910' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='dev_get_regmap' mangled-name='dev_get_regmap' filepath='drivers/base/regmap/regmap.c' line='1531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_regmap'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='1531' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/regmap/regmap.c' line='1531' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='dev_get_stats' mangled-name='dev_get_stats' filepath='net/core/dev.c' line='10366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_stats'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10366' column='1'/>
+        <parameter type-id='bd3860fe' name='storage' filepath='net/core/dev.c' line='10367' column='1'/>
+        <return type-id='bd3860fe'/>
+      </function-decl>
+      <function-decl name='dev_mc_sync_multiple' mangled-name='dev_mc_sync_multiple' filepath='net/core/dev_addr_lists.c' line='893' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_mc_sync_multiple'>
+        <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='893' column='1'/>
+        <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='893' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_mc_unsync' mangled-name='dev_mc_unsync' filepath='net/core/dev_addr_lists.c' line='918' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_mc_unsync'>
+        <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='918' column='1'/>
+        <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='918' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_open' mangled-name='dev_open' filepath='net/core/dev.c' line='1571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_open'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1571' column='1'/>
+        <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='1571' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_clear_wake_irq' mangled-name='dev_pm_clear_wake_irq' filepath='drivers/base/power/wakeirq.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_clear_wake_irq'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeirq.c' line='87' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_domain_attach' mangled-name='dev_pm_domain_attach' filepath='drivers/base/power/common.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_domain_attach'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/common.c' line='102' column='1'/>
+        <parameter type-id='b50a4934' name='power_on' filepath='drivers/base/power/common.c' line='102' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_domain_attach_by_name' mangled-name='dev_pm_domain_attach_by_name' filepath='drivers/base/power/common.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_domain_attach_by_name'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/common.c' line='160' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/power/common.c' line='161' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='dev_pm_domain_detach' mangled-name='dev_pm_domain_detach' filepath='drivers/base/power/common.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_domain_detach'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/common.c' line='183' column='1'/>
+        <parameter type-id='b50a4934' name='power_off' filepath='drivers/base/power/common.c' line='183' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_genpd_set_performance_state' mangled-name='dev_pm_genpd_set_performance_state' filepath='drivers/base/power/domain.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_genpd_set_performance_state'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='394' column='1'/>
+        <parameter type-id='f0981eeb' name='state' filepath='drivers/base/power/domain.c' line='394' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_add' mangled-name='dev_pm_opp_add' filepath='drivers/opp/core.c' line='2182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_add'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2182' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2182' column='1'/>
+        <parameter type-id='7359adad' name='u_volt' filepath='drivers/opp/core.c' line='2182' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_adjust_voltage' mangled-name='dev_pm_opp_adjust_voltage' filepath='drivers/opp/core.c' line='2284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_adjust_voltage'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2284' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2284' column='1'/>
+        <parameter type-id='7359adad' name='u_volt' filepath='drivers/opp/core.c' line='2285' column='1'/>
+        <parameter type-id='7359adad' name='u_volt_min' filepath='drivers/opp/core.c' line='2285' column='1'/>
+        <parameter type-id='7359adad' name='u_volt_max' filepath='drivers/opp/core.c' line='2286' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_disable' mangled-name='dev_pm_opp_disable' filepath='drivers/opp/core.c' line='2375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_disable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2375' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2375' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_enable' mangled-name='dev_pm_opp_enable' filepath='drivers/opp/core.c' line='2355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_enable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2355' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2355' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_find_freq_ceil' mangled-name='dev_pm_opp_find_freq_ceil' filepath='drivers/opp/core.c' line='493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_find_freq_ceil'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='493' column='1'/>
+        <parameter type-id='1d2c2b85' name='freq' filepath='drivers/opp/core.c' line='494' column='1'/>
+        <return type-id='02e48bc6'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_find_freq_exact' mangled-name='dev_pm_opp_find_freq_exact' filepath='drivers/opp/core.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_find_freq_exact'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='369' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='370' column='1'/>
+        <parameter type-id='b50a4934' name='available' filepath='drivers/opp/core.c' line='371' column='1'/>
+        <return type-id='02e48bc6'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_find_freq_floor' mangled-name='dev_pm_opp_find_freq_floor' filepath='drivers/opp/core.c' line='534' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_find_freq_floor'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='534' column='1'/>
+        <parameter type-id='1d2c2b85' name='freq' filepath='drivers/opp/core.c' line='535' column='1'/>
+        <return type-id='02e48bc6'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_free_cpufreq_table' mangled-name='dev_pm_opp_free_cpufreq_table' filepath='drivers/opp/cpu.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_free_cpufreq_table'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/cpu.c' line='96' column='1'/>
+        <parameter type-id='873a2591' name='table' filepath='drivers/opp/cpu.c' line='97' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_freq' mangled-name='dev_pm_opp_get_freq' filepath='drivers/opp/core.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_freq'>
+        <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='119' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_level' mangled-name='dev_pm_opp_get_level' filepath='drivers/opp/core.c' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_level'>
+        <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='137' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_max_transition_latency' mangled-name='dev_pm_opp_get_max_transition_latency' filepath='drivers/opp/core.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_max_transition_latency'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='270' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_opp_count' mangled-name='dev_pm_opp_get_opp_count' filepath='drivers/opp/core.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_opp_count'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='326' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_opp_table' mangled-name='dev_pm_opp_get_opp_table' filepath='drivers/opp/core.c' line='1171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_opp_table'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1171' column='1'/>
+        <return type-id='e62a60bd'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_sharing_cpus' mangled-name='dev_pm_opp_get_sharing_cpus' filepath='drivers/opp/cpu.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_sharing_cpus'>
+        <parameter type-id='fa0b179b' name='cpu_dev' filepath='drivers/opp/cpu.c' line='205' column='1'/>
+        <parameter type-id='74bccedd' name='cpumask' filepath='drivers/opp/cpu.c' line='205' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_suspend_opp_freq' mangled-name='dev_pm_opp_get_suspend_opp_freq' filepath='drivers/opp/core.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_suspend_opp_freq'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='284' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_get_voltage' mangled-name='dev_pm_opp_get_voltage' filepath='drivers/opp/core.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_voltage'>
+        <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='101' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_init_cpufreq_table' mangled-name='dev_pm_opp_init_cpufreq_table' filepath='drivers/opp/cpu.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_init_cpufreq_table'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/cpu.c' line='43' column='1'/>
+        <parameter type-id='873a2591' name='table' filepath='drivers/opp/cpu.c' line='44' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_of_add_table' mangled-name='dev_pm_opp_of_add_table' filepath='drivers/opp/of.c' line='965' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_add_table'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='965' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_of_cpumask_add_table' mangled-name='dev_pm_opp_of_cpumask_add_table' filepath='drivers/opp/of.c' line='1058' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_cpumask_add_table'>
+        <parameter type-id='5f8a1ac4' name='cpumask' filepath='drivers/opp/of.c' line='1058' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_of_cpumask_remove_table' mangled-name='dev_pm_opp_of_cpumask_remove_table' filepath='drivers/opp/of.c' line='1046' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_cpumask_remove_table'>
+        <parameter type-id='5f8a1ac4' name='cpumask' filepath='drivers/opp/of.c' line='1046' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_of_find_icc_paths' mangled-name='dev_pm_opp_of_find_icc_paths' filepath='drivers/opp/of.c' line='364' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_find_icc_paths'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='364' column='1'/>
+        <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/of.c' line='365' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_of_get_sharing_cpus' mangled-name='dev_pm_opp_of_get_sharing_cpus' filepath='drivers/opp/of.c' line='1115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_get_sharing_cpus'>
+        <parameter type-id='fa0b179b' name='cpu_dev' filepath='drivers/opp/of.c' line='1115' column='1'/>
+        <parameter type-id='74bccedd' name='cpumask' filepath='drivers/opp/of.c' line='1116' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_of_register_em' mangled-name='dev_pm_opp_of_register_em' filepath='drivers/opp/of.c' line='1292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_register_em'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='1292' column='1'/>
+        <parameter type-id='74bccedd' name='cpus' filepath='drivers/opp/of.c' line='1292' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_of_remove_table' mangled-name='dev_pm_opp_of_remove_table' filepath='drivers/opp/of.c' line='628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_remove_table'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='628' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_put' mangled-name='dev_pm_opp_put' filepath='drivers/opp/core.c' line='1271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put'>
+        <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='1271' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_put_clkname' mangled-name='dev_pm_opp_put_clkname' filepath='drivers/opp/core.c' line='1908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_clkname'>
+        <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1908' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_put_opp_table' mangled-name='dev_pm_opp_put_opp_table' filepath='drivers/opp/core.c' line='1223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_opp_table'>
+        <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1223' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_put_prop_name' mangled-name='dev_pm_opp_put_prop_name' filepath='drivers/opp/core.c' line='1698' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_prop_name'>
+        <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1698' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_put_regulators' mangled-name='dev_pm_opp_put_regulators' filepath='drivers/opp/core.c' line='1824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_regulators'>
+        <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1824' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_register_set_opp_helper' mangled-name='dev_pm_opp_register_set_opp_helper' filepath='drivers/opp/core.c' line='1930' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_register_set_opp_helper'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1930' column='1'/>
+        <parameter type-id='c1433076' name='set_opp' filepath='drivers/opp/core.c' line='1931' column='1'/>
+        <return type-id='e62a60bd'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_remove' mangled-name='dev_pm_opp_remove' filepath='drivers/opp/core.c' line='1290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_remove'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1290' column='1'/>
+        <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='1290' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_remove_all_dynamic' mangled-name='dev_pm_opp_remove_all_dynamic' filepath='drivers/opp/core.c' line='1358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_remove_all_dynamic'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1358' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_set_bw' mangled-name='dev_pm_opp_set_bw' filepath='drivers/opp/core.c' line='854' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_bw'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='854' column='1'/>
+        <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='854' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_set_clkname' mangled-name='dev_pm_opp_set_clkname' filepath='drivers/opp/core.c' line='1865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_clkname'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1865' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/opp/core.c' line='1865' column='1'/>
+        <return type-id='e62a60bd'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_set_prop_name' mangled-name='dev_pm_opp_set_prop_name' filepath='drivers/opp/core.c' line='1665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_prop_name'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1665' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/opp/core.c' line='1665' column='1'/>
+        <return type-id='e62a60bd'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_set_rate' mangled-name='dev_pm_opp_set_rate' filepath='drivers/opp/core.c' line='914' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_rate'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='914' column='1'/>
+        <parameter type-id='7359adad' name='target_freq' filepath='drivers/opp/core.c' line='914' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_set_regulators' mangled-name='dev_pm_opp_set_regulators' filepath='drivers/opp/core.c' line='1754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_regulators'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1754' column='1'/>
+        <parameter type-id='13956559' name='names' filepath='drivers/opp/core.c' line='1755' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='drivers/opp/core.c' line='1756' column='1'/>
+        <return type-id='e62a60bd'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_set_sharing_cpus' mangled-name='dev_pm_opp_set_sharing_cpus' filepath='drivers/opp/cpu.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_sharing_cpus'>
+        <parameter type-id='fa0b179b' name='cpu_dev' filepath='drivers/opp/cpu.c' line='155' column='1'/>
+        <parameter type-id='5f8a1ac4' name='cpumask' filepath='drivers/opp/cpu.c' line='156' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_set_supported_hw' mangled-name='dev_pm_opp_set_supported_hw' filepath='drivers/opp/core.c' line='1605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_supported_hw'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1605' column='1'/>
+        <parameter type-id='aded214c' name='versions' filepath='drivers/opp/core.c' line='1606' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='drivers/opp/core.c' line='1606' column='1'/>
+        <return type-id='e62a60bd'/>
+      </function-decl>
+      <function-decl name='dev_pm_opp_unregister_set_opp_helper' mangled-name='dev_pm_opp_unregister_set_opp_helper' filepath='drivers/opp/core.c' line='1963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_unregister_set_opp_helper'>
+        <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1963' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_add_notifier' mangled-name='dev_pm_qos_add_notifier' filepath='drivers/base/power/qos.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_add_notifier'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='536' column='1'/>
+        <parameter type-id='d504f73d' name='notifier' filepath='drivers/base/power/qos.c' line='536' column='1'/>
+        <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='537' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_add_request' mangled-name='dev_pm_qos_add_request' filepath='drivers/base/power/qos.c' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_add_request'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='389' column='1'/>
+        <parameter type-id='a80fd1bc' name='req' filepath='drivers/base/power/qos.c' line='389' column='1'/>
+        <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='390' column='1'/>
+        <parameter type-id='a7832498' name='value' filepath='drivers/base/power/qos.c' line='390' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_expose_latency_tolerance' mangled-name='dev_pm_qos_expose_latency_tolerance' filepath='drivers/base/power/qos.c' line='952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_expose_latency_tolerance'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='952' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_hide_latency_tolerance' mangled-name='dev_pm_qos_hide_latency_tolerance' filepath='drivers/base/power/qos.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_hide_latency_tolerance'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='971' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_read_value' mangled-name='dev_pm_qos_read_value' filepath='drivers/base/power/qos.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_read_value'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='110' column='1'/>
+        <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='110' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_remove_notifier' mangled-name='dev_pm_qos_remove_notifier' filepath='drivers/base/power/qos.c' line='586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_remove_notifier'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='586' column='1'/>
+        <parameter type-id='d504f73d' name='notifier' filepath='drivers/base/power/qos.c' line='587' column='1'/>
+        <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='588' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_remove_request' mangled-name='dev_pm_qos_remove_request' filepath='drivers/base/power/qos.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_remove_request'>
+        <parameter type-id='a80fd1bc' name='req' filepath='drivers/base/power/qos.c' line='511' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_update_request' mangled-name='dev_pm_qos_update_request' filepath='drivers/base/power/qos.c' line='464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_update_request'>
+        <parameter type-id='a80fd1bc' name='req' filepath='drivers/base/power/qos.c' line='464' column='1'/>
+        <parameter type-id='a7832498' name='new_value' filepath='drivers/base/power/qos.c' line='464' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_qos_update_user_latency_tolerance' mangled-name='dev_pm_qos_update_user_latency_tolerance' filepath='drivers/base/power/qos.c' line='905' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_update_user_latency_tolerance'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='905' column='1'/>
+        <parameter type-id='a7832498' name='val' filepath='drivers/base/power/qos.c' line='905' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_pm_set_dedicated_wake_irq' mangled-name='dev_pm_set_dedicated_wake_irq' filepath='drivers/base/power/wakeirq.c' line='218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_set_dedicated_wake_irq'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeirq.c' line='218' column='1'/>
+        <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/power/wakeirq.c' line='218' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_printk' mangled-name='dev_printk' filepath='drivers/base/core.c' line='4476' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_printk'>
+        <parameter type-id='80f4b756' name='level' filepath='drivers/base/core.c' line='4476' column='1'/>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4476' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4477' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_printk_emit' mangled-name='dev_printk_emit' filepath='drivers/base/core.c' line='4451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_printk_emit'>
+        <parameter type-id='95e97e5e' name='level' filepath='drivers/base/core.c' line='4451' column='1'/>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4451' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4451' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_queue_xmit' mangled-name='dev_queue_xmit' filepath='net/core/dev.c' line='4213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_queue_xmit'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4213' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_set_mtu' mangled-name='dev_set_mtu' filepath='net/core/dev.c' line='8663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_set_mtu'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='8663' column='1'/>
+        <parameter type-id='95e97e5e' name='new_mtu' filepath='net/core/dev.c' line='8663' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_set_name' mangled-name='dev_set_name' filepath='drivers/base/core.c' line='3035' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_set_name'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3035' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='3035' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_uc_sync_multiple' mangled-name='dev_uc_sync_multiple' filepath='net/core/dev_addr_lists.c' line='663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_uc_sync_multiple'>
+        <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='663' column='1'/>
+        <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='663' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dev_uc_unsync' mangled-name='dev_uc_unsync' filepath='net/core/dev_addr_lists.c' line='688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_uc_unsync'>
+        <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='688' column='1'/>
+        <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='688' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dev_valid_name' mangled-name='dev_valid_name' filepath='net/core/dev.c' line='1145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_valid_name'>
+        <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='1145' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='dev_vprintk_emit' mangled-name='dev_vprintk_emit' filepath='drivers/base/core.c' line='4440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_vprintk_emit'>
+        <parameter type-id='95e97e5e' name='level' filepath='drivers/base/core.c' line='4440' column='1'/>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4440' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4441' column='1'/>
+        <parameter type-id='2aee9912' name='args' filepath='drivers/base/core.c' line='4441' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_add_device' mangled-name='devfreq_add_device' filepath='drivers/devfreq/devfreq.c' line='747' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_add_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='747' column='1'/>
+        <parameter type-id='cba10b6e' name='profile' filepath='drivers/devfreq/devfreq.c' line='748' column='1'/>
+        <parameter type-id='80f4b756' name='governor_name' filepath='drivers/devfreq/devfreq.c' line='749' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/devfreq/devfreq.c' line='750' column='1'/>
+        <return type-id='f66fa7f4'/>
+      </function-decl>
+      <function-decl name='devfreq_add_governor' mangled-name='devfreq_add_governor' filepath='drivers/devfreq/devfreq.c' line='1194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_add_governor'>
+        <parameter type-id='247297cd' name='governor' filepath='drivers/devfreq/devfreq.c' line='1194' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_cooling_unregister' mangled-name='devfreq_cooling_unregister' filepath='drivers/thermal/devfreq_cooling.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_cooling_unregister'>
+        <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/devfreq_cooling.c' line='557' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devfreq_event_disable_edev' mangled-name='devfreq_event_disable_edev' filepath='drivers/devfreq/devfreq-event.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_disable_edev'>
+        <parameter type-id='88146159' name='edev' filepath='drivers/devfreq/devfreq-event.c' line='69' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_event_enable_edev' mangled-name='devfreq_event_enable_edev' filepath='drivers/devfreq/devfreq-event.c' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_enable_edev'>
+        <parameter type-id='88146159' name='edev' filepath='drivers/devfreq/devfreq-event.c' line='37' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_event_get_edev_by_phandle' mangled-name='devfreq_event_get_edev_by_phandle' filepath='drivers/devfreq/devfreq-event.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_get_edev_by_phandle'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq-event.c' line='221' column='1'/>
+        <parameter type-id='80f4b756' name='phandle_name' filepath='drivers/devfreq/devfreq-event.c' line='222' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/devfreq/devfreq-event.c' line='222' column='1'/>
+        <return type-id='88146159'/>
+      </function-decl>
+      <function-decl name='devfreq_event_get_edev_count' mangled-name='devfreq_event_get_edev_count' filepath='drivers/devfreq/devfreq-event.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_get_edev_count'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq-event.c' line='266' column='1'/>
+        <parameter type-id='80f4b756' name='phandle_name' filepath='drivers/devfreq/devfreq-event.c' line='266' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_event_get_event' mangled-name='devfreq_event_get_event' filepath='drivers/devfreq/devfreq-event.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_get_event'>
+        <parameter type-id='88146159' name='edev' filepath='drivers/devfreq/devfreq-event.c' line='160' column='1'/>
+        <parameter type-id='d6184118' name='edata' filepath='drivers/devfreq/devfreq-event.c' line='161' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_monitor_resume' mangled-name='devfreq_monitor_resume' filepath='drivers/devfreq/devfreq.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_resume'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='535' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devfreq_monitor_start' mangled-name='devfreq_monitor_start' filepath='drivers/devfreq/devfreq.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_start'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='457' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devfreq_monitor_stop' mangled-name='devfreq_monitor_stop' filepath='drivers/devfreq/devfreq.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_stop'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devfreq_monitor_suspend' mangled-name='devfreq_monitor_suspend' filepath='drivers/devfreq/devfreq.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_suspend'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='508' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devfreq_recommended_opp' mangled-name='devfreq_recommended_opp' filepath='drivers/devfreq/devfreq.c' line='1900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_recommended_opp'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1900' column='1'/>
+        <parameter type-id='1d2c2b85' name='freq' filepath='drivers/devfreq/devfreq.c' line='1901' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/devfreq/devfreq.c' line='1902' column='1'/>
+        <return type-id='02e48bc6'/>
+      </function-decl>
+      <function-decl name='devfreq_register_opp_notifier' mangled-name='devfreq_register_opp_notifier' filepath='drivers/devfreq/devfreq.c' line='1933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_register_opp_notifier'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1933' column='1'/>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1933' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_remove_device' mangled-name='devfreq_remove_device' filepath='drivers/devfreq/devfreq.c' line='923' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_remove_device'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='923' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_remove_governor' mangled-name='devfreq_remove_governor' filepath='drivers/devfreq/devfreq.c' line='1259' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_remove_governor'>
+        <parameter type-id='247297cd' name='governor' filepath='drivers/devfreq/devfreq.c' line='1259' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_resume_device' mangled-name='devfreq_resume_device' filepath='drivers/devfreq/devfreq.c' line='1117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_resume_device'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1117' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_suspend_device' mangled-name='devfreq_suspend_device' filepath='drivers/devfreq/devfreq.c' line='1080' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_suspend_device'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1080' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_unregister_opp_notifier' mangled-name='devfreq_unregister_opp_notifier' filepath='drivers/devfreq/devfreq.c' line='1949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_unregister_opp_notifier'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1949' column='1'/>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1949' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devfreq_update_interval' mangled-name='devfreq_update_interval' filepath='drivers/devfreq/devfreq.c' line='572' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_update_interval'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='572' column='1'/>
+        <parameter type-id='807869d3' name='delay' filepath='drivers/devfreq/devfreq.c' line='572' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_add' mangled-name='device_add' filepath='drivers/base/core.c' line='3134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_add'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3134' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_add_disk' mangled-name='device_add_disk' filepath='block/genhd.c' line='840' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_add_disk'>
+        <parameter type-id='fa0b179b' name='parent' filepath='block/genhd.c' line='840' column='1'/>
+        <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='840' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='block/genhd.c' line='841' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_add_groups' mangled-name='device_add_groups' filepath='drivers/base/core.c' line='2344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_add_groups'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2344' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='2344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_attach' mangled-name='device_attach' filepath='drivers/base/dd.c' line='973' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_attach'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/dd.c' line='973' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_bind_driver' mangled-name='device_bind_driver' filepath='drivers/base/dd.c' line='458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_bind_driver'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/dd.c' line='458' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_create' mangled-name='device_create' filepath='drivers/base/core.c' line='3940' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create'>
+        <parameter type-id='67aca04f' name='class' filepath='drivers/base/core.c' line='3940' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3940' column='1'/>
+        <parameter type-id='8504f260' name='devt' filepath='drivers/base/core.c' line='3941' column='1'/>
+        <parameter type-id='eaa32e2f' name='drvdata' filepath='drivers/base/core.c' line='3941' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='3941' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='device_create_bin_file' mangled-name='device_create_bin_file' filepath='drivers/base/core.c' line='2668' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create_bin_file'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2668' column='1'/>
+        <parameter type-id='559ac6f0' name='attr' filepath='drivers/base/core.c' line='2669' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_create_file' mangled-name='device_create_file' filepath='drivers/base/core.c' line='2614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create_file'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2614' column='1'/>
+        <parameter type-id='de63df21' name='attr' filepath='drivers/base/core.c' line='2615' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_create_with_groups' mangled-name='device_create_with_groups' filepath='drivers/base/core.c' line='3981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create_with_groups'>
+        <parameter type-id='67aca04f' name='class' filepath='drivers/base/core.c' line='3981' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3982' column='1'/>
+        <parameter type-id='8504f260' name='devt' filepath='drivers/base/core.c' line='3982' column='1'/>
+        <parameter type-id='eaa32e2f' name='drvdata' filepath='drivers/base/core.c' line='3983' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='3984' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='3985' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='device_del' mangled-name='device_del' filepath='drivers/base/core.c' line='3389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_del'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3389' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_destroy' mangled-name='device_destroy' filepath='drivers/base/core.c' line='4006' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_destroy'>
+        <parameter type-id='67aca04f' name='class' filepath='drivers/base/core.c' line='4006' column='1'/>
+        <parameter type-id='8504f260' name='devt' filepath='drivers/base/core.c' line='4006' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_find_child' mangled-name='device_find_child' filepath='drivers/base/core.c' line='3620' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_find_child'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3620' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/core.c' line='3620' column='1'/>
+        <parameter type-id='92d15ae9' name='match' filepath='drivers/base/core.c' line='3621' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='device_for_each_child' mangled-name='device_for_each_child' filepath='drivers/base/core.c' line='3555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_for_each_child'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3555' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/core.c' line='3555' column='1'/>
+        <parameter type-id='92d15ae9' name='fn' filepath='drivers/base/core.c' line='3556' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_get_child_node_count' mangled-name='device_get_child_node_count' filepath='drivers/base/property.c' line='851' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_child_node_count'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='851' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='device_get_dma_attr' mangled-name='device_get_dma_attr' filepath='drivers/base/property.c' line='876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_dma_attr'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='876' column='1'/>
+        <return type-id='0f98306c'/>
+      </function-decl>
+      <function-decl name='device_get_mac_address' mangled-name='device_get_mac_address' filepath='drivers/base/property.c' line='990' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_mac_address'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='990' column='1'/>
+        <parameter type-id='26a90f95' name='addr' filepath='drivers/base/property.c' line='990' column='1'/>
+        <parameter type-id='95e97e5e' name='alen' filepath='drivers/base/property.c' line='990' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='device_get_match_data' mangled-name='device_get_match_data' filepath='drivers/base/property.c' line='1234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_match_data'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='1234' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='device_get_named_child_node' mangled-name='device_get_named_child_node' filepath='drivers/base/property.c' line='801' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_named_child_node'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='801' column='1'/>
+        <parameter type-id='80f4b756' name='childname' filepath='drivers/base/property.c' line='802' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='device_get_next_child_node' mangled-name='device_get_next_child_node' filepath='drivers/base/property.c' line='759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_next_child_node'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='759' column='1'/>
+        <parameter type-id='4a935625' name='child' filepath='drivers/base/property.c' line='760' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='device_get_phy_mode' mangled-name='device_get_phy_mode' filepath='drivers/base/property.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_phy_mode'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='928' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_init_wakeup' mangled-name='device_init_wakeup' filepath='drivers/base/power/wakeup.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_init_wakeup'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='517' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/base/power/wakeup.c' line='517' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_initialize' mangled-name='device_initialize' filepath='drivers/base/core.c' line='2727' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_initialize'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2727' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_link_add' mangled-name='device_link_add' filepath='drivers/base/core.c' line='671' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_link_add'>
+        <parameter type-id='fa0b179b' name='consumer' filepath='drivers/base/core.c' line='671' column='1'/>
+        <parameter type-id='fa0b179b' name='supplier' filepath='drivers/base/core.c' line='672' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/base/core.c' line='672' column='1'/>
+        <return type-id='7acfb3fa'/>
+      </function-decl>
+      <function-decl name='device_link_del' mangled-name='device_link_del' filepath='drivers/base/core.c' line='901' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_link_del'>
+        <parameter type-id='7acfb3fa' name='link' filepath='drivers/base/core.c' line='901' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_match_fwnode' mangled-name='device_match_fwnode' filepath='drivers/base/core.c' line='4664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_match_fwnode'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='4664' column='1'/>
+        <parameter type-id='eaa32e2f' name='fwnode' filepath='drivers/base/core.c' line='4664' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_match_name' mangled-name='device_match_name' filepath='drivers/base/core.c' line='4652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_match_name'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='4652' column='1'/>
+        <parameter type-id='eaa32e2f' name='name' filepath='drivers/base/core.c' line='4652' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_node_to_regmap' mangled-name='device_node_to_regmap' filepath='drivers/mfd/syscon.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_node_to_regmap'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/mfd/syscon.c' line='177' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='device_property_present' mangled-name='device_property_present' filepath='drivers/base/property.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_present'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='35' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='35' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='device_property_read_string' mangled-name='device_property_read_string' filepath='drivers/base/property.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_string'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='200' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='200' column='1'/>
+        <parameter type-id='7d3cd834' name='val' filepath='drivers/base/property.c' line='201' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_property_read_string_array' mangled-name='device_property_read_string_array' filepath='drivers/base/property.c' line='178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_string_array'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='178' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='178' column='1'/>
+        <parameter type-id='7d3cd834' name='val' filepath='drivers/base/property.c' line='179' column='1'/>
+        <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='179' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_property_read_u16_array' mangled-name='device_property_read_u16_array' filepath='drivers/base/property.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_u16_array'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='103' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='103' column='1'/>
+        <parameter type-id='26d4d46f' name='val' filepath='drivers/base/property.c' line='104' column='1'/>
+        <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='104' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_property_read_u32_array' mangled-name='device_property_read_u32_array' filepath='drivers/base/property.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_u32_array'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='128' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='128' column='1'/>
+        <parameter type-id='f9409001' name='val' filepath='drivers/base/property.c' line='129' column='1'/>
+        <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='129' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_property_read_u8_array' mangled-name='device_property_read_u8_array' filepath='drivers/base/property.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_u8_array'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='78' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='78' column='1'/>
+        <parameter type-id='8bff8096' name='val' filepath='drivers/base/property.c' line='79' column='1'/>
+        <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='79' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_register' mangled-name='device_register' filepath='drivers/base/core.c' line='3325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3325' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_release_driver' mangled-name='device_release_driver' filepath='drivers/base/dd.c' line='1237' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_release_driver'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/dd.c' line='1237' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_remove_bin_file' mangled-name='device_remove_bin_file' filepath='drivers/base/core.c' line='2683' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_bin_file'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2683' column='1'/>
+        <parameter type-id='559ac6f0' name='attr' filepath='drivers/base/core.c' line='2684' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_remove_file' mangled-name='device_remove_file' filepath='drivers/base/core.c' line='2638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_file'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2638' column='1'/>
+        <parameter type-id='de63df21' name='attr' filepath='drivers/base/core.c' line='2639' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_remove_file_self' mangled-name='device_remove_file_self' filepath='drivers/base/core.c' line='2653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_file_self'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2653' column='1'/>
+        <parameter type-id='de63df21' name='attr' filepath='drivers/base/core.c' line='2654' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='device_remove_groups' mangled-name='device_remove_groups' filepath='drivers/base/core.c' line='2350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_groups'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2350' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='2351' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_set_wakeup_capable' mangled-name='device_set_wakeup_capable' filepath='drivers/base/power/wakeup.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_set_wakeup_capable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='487' column='1'/>
+        <parameter type-id='b50a4934' name='capable' filepath='drivers/base/power/wakeup.c' line='487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_set_wakeup_enable' mangled-name='device_set_wakeup_enable' filepath='drivers/base/power/wakeup.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_set_wakeup_enable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='540' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/base/power/wakeup.c' line='540' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_show_bool' mangled-name='device_show_bool' filepath='drivers/base/core.c' line='2082' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_show_bool'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2082' column='1'/>
+        <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2082' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='drivers/base/core.c' line='2083' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='device_show_int' mangled-name='device_show_int' filepath='drivers/base/core.c' line='2060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_show_int'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2060' column='1'/>
+        <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2061' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='drivers/base/core.c' line='2062' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='device_store_bool' mangled-name='device_store_bool' filepath='drivers/base/core.c' line='2070' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_store_bool'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2070' column='1'/>
+        <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2070' column='1'/>
+        <parameter type-id='80f4b756' name='buf' filepath='drivers/base/core.c' line='2071' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/base/core.c' line='2071' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='device_store_int' mangled-name='device_store_int' filepath='drivers/base/core.c' line='2040' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_store_int'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2040' column='1'/>
+        <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2041' column='1'/>
+        <parameter type-id='80f4b756' name='buf' filepath='drivers/base/core.c' line='2042' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/base/core.c' line='2042' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='device_unregister' mangled-name='device_unregister' filepath='drivers/base/core.c' line='3464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_unregister'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3464' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='device_wakeup_disable' mangled-name='device_wakeup_disable' filepath='drivers/base/power/wakeup.c' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_wakeup_disable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='462' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='device_wakeup_enable' mangled-name='device_wakeup_enable' filepath='drivers/base/power/wakeup.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_wakeup_enable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='340' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_add_action' mangled-name='devm_add_action' filepath='drivers/base/devres.c' line='739' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_add_action'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='739' column='1'/>
+        <parameter type-id='b7f9d8e6' name='action' filepath='drivers/base/devres.c' line='739' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devres.c' line='739' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_alloc_etherdev_mqs' mangled-name='devm_alloc_etherdev_mqs' filepath='net/devres.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_alloc_etherdev_mqs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='net/devres.c' line='21' column='1'/>
+        <parameter type-id='95e97e5e' name='sizeof_priv' filepath='net/devres.c' line='21' column='1'/>
+        <parameter type-id='f0981eeb' name='txqs' filepath='net/devres.c' line='22' column='1'/>
+        <parameter type-id='f0981eeb' name='rxqs' filepath='net/devres.c' line='22' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='devm_backlight_device_register' mangled-name='devm_backlight_device_register' filepath='drivers/video/backlight/backlight.c' line='602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_backlight_device_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/video/backlight/backlight.c' line='602' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/video/backlight/backlight.c' line='603' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/video/backlight/backlight.c' line='603' column='1'/>
+        <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/video/backlight/backlight.c' line='603' column='1'/>
+        <parameter type-id='a3d6b1c0' name='ops' filepath='drivers/video/backlight/backlight.c' line='604' column='1'/>
+        <parameter type-id='f46152e7' name='props' filepath='drivers/video/backlight/backlight.c' line='605' column='1'/>
+        <return type-id='7a76d041'/>
+      </function-decl>
+      <function-decl name='devm_backlight_device_unregister' mangled-name='devm_backlight_device_unregister' filepath='drivers/video/backlight/backlight.c' line='636' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_backlight_device_unregister'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/video/backlight/backlight.c' line='636' column='1'/>
+        <parameter type-id='7a76d041' name='bd' filepath='drivers/video/backlight/backlight.c' line='637' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_blk_ksm_init' mangled-name='devm_blk_ksm_init' filepath='block/keyslot-manager.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_blk_ksm_init'>
+        <parameter type-id='fa0b179b' name='dev' filepath='block/keyslot-manager.c' line='152' column='1'/>
+        <parameter type-id='bf8a20d2' name='ksm' filepath='block/keyslot-manager.c' line='152' column='1'/>
+        <parameter type-id='f0981eeb' name='num_slots' filepath='block/keyslot-manager.c' line='153' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_clk_bulk_get' mangled-name='devm_clk_bulk_get' filepath='drivers/clk/clk-devres.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_bulk_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='140' column='1'/>
+        <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-devres.c' line='140' column='1'/>
+        <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-devres.c' line='141' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_clk_bulk_get_all' mangled-name='devm_clk_bulk_get_all' filepath='drivers/clk/clk-devres.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_bulk_get_all'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='161' column='1'/>
+        <parameter type-id='734c20ed' name='clks' filepath='drivers/clk/clk-devres.c' line='162' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_clk_bulk_get_optional' mangled-name='devm_clk_bulk_get_optional' filepath='drivers/clk/clk-devres.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_bulk_get_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='147' column='1'/>
+        <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-devres.c' line='147' column='1'/>
+        <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-devres.c' line='148' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_clk_get' mangled-name='devm_clk_get' filepath='drivers/clk/clk-devres.c' line='63' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='63' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/clk/clk-devres.c' line='63' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='devm_clk_get_optional' mangled-name='devm_clk_get_optional' filepath='drivers/clk/clk-devres.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_get_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='82' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/clk/clk-devres.c' line='82' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='devm_clk_hw_register' mangled-name='devm_clk_hw_register' filepath='drivers/clk/clk.c' line='4282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_hw_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4282' column='1'/>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4282' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_clk_hw_register_clkdev' mangled-name='devm_clk_hw_register_clkdev' filepath='drivers/clk/clkdev.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_hw_register_clkdev'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clkdev.c' line='431' column='1'/>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clkdev.c' line='431' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clkdev.c' line='432' column='1'/>
+        <parameter type-id='80f4b756' name='dev_id' filepath='drivers/clk/clkdev.c' line='432' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_clk_put' mangled-name='devm_clk_put' filepath='drivers/clk/clk-devres.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_put'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='195' column='1'/>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk-devres.c' line='195' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_clk_register' mangled-name='devm_clk_register' filepath='drivers/clk/clk.c' line='4252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4252' column='1'/>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4252' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='devm_devfreq_add_device' mangled-name='devm_devfreq_add_device' filepath='drivers/devfreq/devfreq.c' line='964' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_add_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='964' column='1'/>
+        <parameter type-id='cba10b6e' name='profile' filepath='drivers/devfreq/devfreq.c' line='965' column='1'/>
+        <parameter type-id='80f4b756' name='governor_name' filepath='drivers/devfreq/devfreq.c' line='966' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/devfreq/devfreq.c' line='967' column='1'/>
+        <return type-id='f66fa7f4'/>
+      </function-decl>
+      <function-decl name='devm_devfreq_event_add_edev' mangled-name='devm_devfreq_event_add_edev' filepath='drivers/devfreq/devfreq-event.c' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_event_add_edev'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq-event.c' line='397' column='1'/>
+        <parameter type-id='72742e5b' name='desc' filepath='drivers/devfreq/devfreq-event.c' line='398' column='1'/>
+        <return type-id='88146159'/>
+      </function-decl>
+      <function-decl name='devm_devfreq_register_opp_notifier' mangled-name='devm_devfreq_register_opp_notifier' filepath='drivers/devfreq/devfreq.c' line='1966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_register_opp_notifier'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1966' column='1'/>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1967' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_devfreq_remove_device' mangled-name='devm_devfreq_remove_device' filepath='drivers/devfreq/devfreq.c' line='1065' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_remove_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1065' column='1'/>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1065' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_device_add_group' mangled-name='devm_device_add_group' filepath='drivers/base/core.c' line='2395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_device_add_group'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2395' column='1'/>
+        <parameter type-id='8ff9530e' name='grp' filepath='drivers/base/core.c' line='2395' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_device_add_groups' mangled-name='devm_device_add_groups' filepath='drivers/base/core.c' line='2447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_device_add_groups'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2447' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='2448' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_device_remove_group' mangled-name='devm_device_remove_group' filepath='drivers/base/core.c' line='2425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_device_remove_group'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2425' column='1'/>
+        <parameter type-id='8ff9530e' name='grp' filepath='drivers/base/core.c' line='2426' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_drm_panel_bridge_add_typed' mangled-name='devm_drm_panel_bridge_add_typed' filepath='drivers/gpu/drm/bridge/panel.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_drm_panel_bridge_add_typed'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/bridge/panel.c' line='294' column='1'/>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/bridge/panel.c' line='295' column='1'/>
+        <parameter type-id='19c2251e' name='connector_type' filepath='drivers/gpu/drm/bridge/panel.c' line='296' column='1'/>
+        <return type-id='8582e5ec'/>
+      </function-decl>
+      <function-decl name='devm_extcon_dev_allocate' mangled-name='devm_extcon_dev_allocate' filepath='drivers/extcon/devres.c' line='65' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_extcon_dev_allocate'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/devres.c' line='65' column='1'/>
+        <parameter type-id='5b2fd8e8' name='supported_cable' filepath='drivers/extcon/devres.c' line='66' column='1'/>
+        <return type-id='c0d6fada'/>
+      </function-decl>
+      <function-decl name='devm_extcon_dev_register' mangled-name='devm_extcon_dev_register' filepath='drivers/extcon/devres.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_extcon_dev_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/devres.c' line='118' column='1'/>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/devres.c' line='118' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_extcon_register_notifier' mangled-name='devm_extcon_register_notifier' filepath='drivers/extcon/devres.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_extcon_register_notifier'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/devres.c' line='172' column='1'/>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/devres.c' line='172' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/devres.c' line='173' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/extcon/devres.c' line='173' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_free_irq' mangled-name='devm_free_irq' filepath='kernel/irq/devres.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_free_irq'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='139' column='1'/>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/devres.c' line='139' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/devres.c' line='139' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_fwnode_gpiod_get_index' mangled-name='devm_fwnode_gpiod_get_index' filepath='drivers/gpio/gpiolib-devres.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_fwnode_gpiod_get_index'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='202' column='1'/>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/gpio/gpiolib-devres.c' line='203' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='204' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/gpio/gpiolib-devres.c' line='204' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='205' column='1'/>
+        <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-devres.c' line='206' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='devm_fwnode_pwm_get' mangled-name='devm_fwnode_pwm_get' filepath='drivers/pwm/core.c' line='1218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_fwnode_pwm_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pwm/core.c' line='1218' column='1'/>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/pwm/core.c' line='1219' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/pwm/core.c' line='1220' column='1'/>
+        <return type-id='f06adae0'/>
+      </function-decl>
+      <function-decl name='devm_gen_pool_create' mangled-name='devm_gen_pool_create' filepath='lib/genalloc.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gen_pool_create'>
+        <parameter type-id='fa0b179b' name='dev' filepath='lib/genalloc.c' line='823' column='1'/>
+        <parameter type-id='95e97e5e' name='min_alloc_order' filepath='lib/genalloc.c' line='823' column='1'/>
+        <parameter type-id='95e97e5e' name='nid' filepath='lib/genalloc.c' line='824' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='lib/genalloc.c' line='824' column='1'/>
+        <return type-id='75b9415a'/>
+      </function-decl>
+      <function-decl name='devm_get_clk_from_child' mangled-name='devm_get_clk_from_child' filepath='drivers/clk/clk-devres.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_get_clk_from_child'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='205' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-devres.c' line='206' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clk-devres.c' line='206' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='devm_gpio_free' mangled-name='devm_gpio_free' filepath='drivers/gpio/gpiolib-devres.c' line='474' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpio_free'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='474' column='1'/>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-devres.c' line='474' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_gpio_request' mangled-name='devm_gpio_request' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpio_request'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1'/>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1'/>
+        <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_gpio_request_one' mangled-name='devm_gpio_request_one' filepath='drivers/gpio/gpiolib-devres.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpio_request_one'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='441' column='1'/>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-devres.c' line='441' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='442' column='1'/>
+        <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-devres.c' line='442' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_gpiochip_add_data_with_key' mangled-name='devm_gpiochip_add_data_with_key' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiochip_add_data_with_key'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1'/>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1'/>
+        <parameter type-id='a57283f9' name='lock_key' filepath='drivers/gpio/gpiolib-devres.c' line='507' column='1'/>
+        <parameter type-id='a57283f9' name='request_key' filepath='drivers/gpio/gpiolib-devres.c' line='508' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_gpiod_get' mangled-name='devm_gpiod_get' filepath='drivers/gpio/gpiolib-devres.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='56' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='57' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='58' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='devm_gpiod_get_array' mangled-name='devm_gpiod_get_array' filepath='drivers/gpio/gpiolib-devres.c' line='268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_array'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='268' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='269' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='270' column='1'/>
+        <return type-id='58a5c6a3'/>
+      </function-decl>
+      <function-decl name='devm_gpiod_get_array_optional' mangled-name='devm_gpiod_get_array_optional' filepath='drivers/gpio/gpiolib-devres.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_array_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='305' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='305' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='306' column='1'/>
+        <return type-id='58a5c6a3'/>
+      </function-decl>
+      <function-decl name='devm_gpiod_get_index' mangled-name='devm_gpiod_get_index' filepath='drivers/gpio/gpiolib-devres.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_index'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='93' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='94' column='1'/>
+        <parameter type-id='f0981eeb' name='idx' filepath='drivers/gpio/gpiolib-devres.c' line='95' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='96' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='devm_gpiod_get_index_optional' mangled-name='devm_gpiod_get_index_optional' filepath='drivers/gpio/gpiolib-devres.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_index_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='241' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='242' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/gpio/gpiolib-devres.c' line='243' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='244' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='devm_gpiod_get_optional' mangled-name='devm_gpiod_get_optional' filepath='drivers/gpio/gpiolib-devres.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='74' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='75' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='76' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='devm_gpiod_put_array' mangled-name='devm_gpiod_put_array' filepath='drivers/gpio/gpiolib-devres.c' line='373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_put_array'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='373' column='1'/>
+        <parameter type-id='58a5c6a3' name='descs' filepath='drivers/gpio/gpiolib-devres.c' line='373' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_hwrng_register' mangled-name='devm_hwrng_register' filepath='drivers/char/hw_random/core.c' line='586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_hwrng_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/char/hw_random/core.c' line='586' column='1'/>
+        <parameter type-id='c1547255' name='rng' filepath='drivers/char/hw_random/core.c' line='586' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_hwspin_lock_register' mangled-name='devm_hwspin_lock_register' filepath='drivers/hwspinlock/hwspinlock_core.c' line='612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_hwspin_lock_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/hwspinlock/hwspinlock_core.c' line='612' column='1'/>
+        <parameter type-id='b8cd8f00' name='bank' filepath='drivers/hwspinlock/hwspinlock_core.c' line='613' column='1'/>
+        <parameter type-id='9138a099' name='ops' filepath='drivers/hwspinlock/hwspinlock_core.c' line='614' column='1'/>
+        <parameter type-id='95e97e5e' name='base_id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='615' column='1'/>
+        <parameter type-id='95e97e5e' name='num_locks' filepath='drivers/hwspinlock/hwspinlock_core.c' line='615' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_hwspin_lock_request_specific' mangled-name='devm_hwspin_lock_request_specific' filepath='drivers/hwspinlock/hwspinlock_core.c' line='931' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_hwspin_lock_request_specific'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/hwspinlock/hwspinlock_core.c' line='931' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='932' column='1'/>
+        <return type-id='0cb0b26f'/>
+      </function-decl>
+      <function-decl name='devm_i2c_new_dummy_device' mangled-name='devm_i2c_new_dummy_device' filepath='drivers/i2c/i2c-core-base.c' line='1042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_i2c_new_dummy_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='1042' column='1'/>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-base.c' line='1043' column='1'/>
+        <parameter type-id='1dc6a898' name='address' filepath='drivers/i2c/i2c-core-base.c' line='1044' column='1'/>
+        <return type-id='3e31633b'/>
+      </function-decl>
+      <function-decl name='devm_iio_channel_get' mangled-name='devm_iio_channel_get' filepath='drivers/iio/inkern.c' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_iio_channel_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/inkern.c' line='365' column='1'/>
+        <parameter type-id='80f4b756' name='channel_name' filepath='drivers/iio/inkern.c' line='366' column='1'/>
+        <return type-id='2712709a'/>
+      </function-decl>
+      <function-decl name='devm_iio_device_alloc' mangled-name='devm_iio_device_alloc' filepath='drivers/iio/industrialio-core.c' line='1602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_iio_device_alloc'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/iio/industrialio-core.c' line='1602' column='1'/>
+        <parameter type-id='95e97e5e' name='sizeof_priv' filepath='drivers/iio/industrialio-core.c' line='1602' column='1'/>
+        <return type-id='226853d2'/>
+      </function-decl>
+      <function-decl name='devm_input_allocate_device' mangled-name='devm_input_allocate_device' filepath='drivers/input/input.c' line='1886' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_input_allocate_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/input/input.c' line='1886' column='1'/>
+        <return type-id='74b427eb'/>
+      </function-decl>
+      <function-decl name='devm_ioremap' mangled-name='devm_ioremap' filepath='lib/devres.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_ioremap'>
+        <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='64' column='1'/>
+        <parameter type-id='acc63fdf' name='offset' filepath='lib/devres.c' line='64' column='1'/>
+        <parameter type-id='acc63fdf' name='size' filepath='lib/devres.c' line='65' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_ioremap_resource' mangled-name='devm_ioremap_resource' filepath='lib/devres.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_ioremap_resource'>
+        <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='175' column='1'/>
+        <parameter type-id='e153f6de' name='res' filepath='lib/devres.c' line='176' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_ioremap_wc' mangled-name='devm_ioremap_wc' filepath='lib/devres.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_ioremap_wc'>
+        <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='94' column='1'/>
+        <parameter type-id='acc63fdf' name='offset' filepath='lib/devres.c' line='94' column='1'/>
+        <parameter type-id='acc63fdf' name='size' filepath='lib/devres.c' line='95' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_iounmap' mangled-name='devm_iounmap' filepath='lib/devres.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_iounmap'>
+        <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='108' column='1'/>
+        <parameter type-id='eaa32e2f' name='addr' filepath='lib/devres.c' line='108' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_kasprintf' mangled-name='devm_kasprintf' filepath='drivers/base/devres.c' line='1036' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kasprintf'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1036' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='1036' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/devres.c' line='1036' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='devm_kfree' mangled-name='devm_kfree' filepath='drivers/base/devres.c' line='1056' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kfree'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1056' column='1'/>
+        <parameter type-id='eaa32e2f' name='p' filepath='drivers/base/devres.c' line='1056' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_kmalloc' mangled-name='devm_kmalloc' filepath='drivers/base/devres.c' line='826' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kmalloc'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='826' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/base/devres.c' line='826' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='826' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_kmemdup' mangled-name='devm_kmemdup' filepath='drivers/base/devres.c' line='1082' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kmemdup'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1082' column='1'/>
+        <parameter type-id='eaa32e2f' name='src' filepath='drivers/base/devres.c' line='1082' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/base/devres.c' line='1082' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='1082' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_krealloc' mangled-name='devm_krealloc' filepath='drivers/base/devres.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_krealloc'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='864' column='1'/>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='drivers/base/devres.c' line='864' column='1'/>
+        <parameter type-id='b59d7dce' name='new_size' filepath='drivers/base/devres.c' line='864' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='864' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_kstrdup' mangled-name='devm_kstrdup' filepath='drivers/base/devres.c' line='955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kstrdup'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='955' column='1'/>
+        <parameter type-id='80f4b756' name='s' filepath='drivers/base/devres.c' line='955' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='955' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='devm_kstrdup_const' mangled-name='devm_kstrdup_const' filepath='drivers/base/devres.c' line='984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kstrdup_const'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='984' column='1'/>
+        <parameter type-id='80f4b756' name='s' filepath='drivers/base/devres.c' line='984' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='984' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='devm_kvasprintf' mangled-name='devm_kvasprintf' filepath='drivers/base/devres.c' line='1004' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kvasprintf'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1004' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='1004' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/devres.c' line='1004' column='1'/>
+        <parameter type-id='2aee9912' name='ap' filepath='drivers/base/devres.c' line='1005' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='devm_led_classdev_register_ext' mangled-name='devm_led_classdev_register_ext' filepath='drivers/leds/led-class.c' line='481' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_led_classdev_register_ext'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/leds/led-class.c' line='481' column='1'/>
+        <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-class.c' line='482' column='1'/>
+        <parameter type-id='eebb8ee8' name='init_data' filepath='drivers/leds/led-class.c' line='483' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_mbox_controller_register' mangled-name='devm_mbox_controller_register' filepath='drivers/mailbox/mailbox.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_mbox_controller_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/mailbox/mailbox.c' line='579' column='1'/>
+        <parameter type-id='fb648468' name='mbox' filepath='drivers/mailbox/mailbox.c' line='580' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_memremap' mangled-name='devm_memremap' filepath='kernel/iomem.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_memremap'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/iomem.c' line='139' column='1'/>
+        <parameter type-id='acc63fdf' name='offset' filepath='kernel/iomem.c' line='139' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/iomem.c' line='140' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='kernel/iomem.c' line='140' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_memunmap' mangled-name='devm_memunmap' filepath='kernel/iomem.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_memunmap'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/iomem.c' line='162' column='1'/>
+        <parameter type-id='eaa32e2f' name='addr' filepath='kernel/iomem.c' line='162' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_mfd_add_devices' mangled-name='devm_mfd_add_devices' filepath='drivers/mfd/mfd-core.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_mfd_add_devices'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/mfd/mfd-core.c' line='426' column='1'/>
+        <parameter type-id='95e97e5e' name='id' filepath='drivers/mfd/mfd-core.c' line='426' column='1'/>
+        <parameter type-id='1447e860' name='cells' filepath='drivers/mfd/mfd-core.c' line='427' column='1'/>
+        <parameter type-id='95e97e5e' name='n_devs' filepath='drivers/mfd/mfd-core.c' line='427' column='1'/>
+        <parameter type-id='c9d64c0d' name='mem_base' filepath='drivers/mfd/mfd-core.c' line='428' column='1'/>
+        <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/mfd/mfd-core.c' line='429' column='1'/>
+        <parameter type-id='7544e824' name='domain' filepath='drivers/mfd/mfd-core.c' line='429' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_nvmem_cell_get' mangled-name='devm_nvmem_cell_get' filepath='drivers/nvmem/core.c' line='1150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_nvmem_cell_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='1150' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='1150' column='1'/>
+        <return type-id='4a4ce85f'/>
+      </function-decl>
+      <function-decl name='devm_nvmem_register' mangled-name='devm_nvmem_register' filepath='drivers/nvmem/core.c' line='774' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_nvmem_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='774' column='1'/>
+        <parameter type-id='7bb280fa' name='config' filepath='drivers/nvmem/core.c' line='775' column='1'/>
+        <return type-id='8179bc49'/>
+      </function-decl>
+      <function-decl name='devm_of_clk_add_hw_provider' mangled-name='devm_of_clk_add_hw_provider' filepath='drivers/clk/clk.c' line='4770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_clk_add_hw_provider'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4770' column='1'/>
+        <parameter type-id='a5186342' name='get' filepath='drivers/clk/clk.c' line='4771' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4773' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_of_icc_get' mangled-name='devm_of_icc_get' filepath='drivers/interconnect/core.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_icc_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/interconnect/core.c' line='402' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/interconnect/core.c' line='402' column='1'/>
+        <return type-id='b5fdec5e'/>
+      </function-decl>
+      <function-decl name='devm_of_iomap' mangled-name='devm_of_iomap' filepath='lib/devres.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_iomap'>
+        <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='227' column='1'/>
+        <parameter type-id='9a537bbe' name='node' filepath='lib/devres.c' line='227' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='lib/devres.c' line='227' column='1'/>
+        <parameter type-id='9e6a6c02' name='size' filepath='lib/devres.c' line='228' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_of_phy_get' mangled-name='devm_of_phy_get' filepath='drivers/phy/phy-core.c' line='784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_phy_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='784' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/phy/phy-core.c' line='784' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/phy/phy-core.c' line='785' column='1'/>
+        <return type-id='503ff1ba'/>
+      </function-decl>
+      <function-decl name='devm_of_phy_get_by_index' mangled-name='devm_of_phy_get_by_index' filepath='drivers/phy/phy-core.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_phy_get_by_index'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='824' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/phy/phy-core.c' line='824' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/phy/phy-core.c' line='825' column='1'/>
+        <return type-id='503ff1ba'/>
+      </function-decl>
+      <function-decl name='devm_of_platform_populate' mangled-name='devm_of_platform_populate' filepath='drivers/of/platform.c' line='612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_platform_populate'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/platform.c' line='612' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_of_pwm_get' mangled-name='devm_of_pwm_get' filepath='drivers/pwm/core.c' line='1185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_pwm_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pwm/core.c' line='1185' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/pwm/core.c' line='1185' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/pwm/core.c' line='1186' column='1'/>
+        <return type-id='f06adae0'/>
+      </function-decl>
+      <function-decl name='devm_pci_alloc_host_bridge' mangled-name='devm_pci_alloc_host_bridge' filepath='drivers/pci/probe.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pci_alloc_host_bridge'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pci/probe.c' line='621' column='1'/>
+        <parameter type-id='b59d7dce' name='priv' filepath='drivers/pci/probe.c' line='622' column='1'/>
+        <return type-id='cb0dbc3c'/>
+      </function-decl>
+      <function-decl name='devm_pci_remap_cfg_resource' mangled-name='devm_pci_remap_cfg_resource' filepath='drivers/pci/pci.c' line='4208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pci_remap_cfg_resource'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pci/pci.c' line='4208' column='1'/>
+        <parameter type-id='c9d64c0d' name='res' filepath='drivers/pci/pci.c' line='4209' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_phy_create' mangled-name='devm_phy_create' filepath='drivers/phy/phy-core.c' line='943' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_create'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='943' column='1'/>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/phy/phy-core.c' line='943' column='1'/>
+        <parameter type-id='5424a63a' name='ops' filepath='drivers/phy/phy-core.c' line='944' column='1'/>
+        <return type-id='503ff1ba'/>
+      </function-decl>
+      <function-decl name='devm_phy_get' mangled-name='devm_phy_get' filepath='drivers/phy/phy-core.c' line='730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='730' column='1'/>
+        <parameter type-id='80f4b756' name='string' filepath='drivers/phy/phy-core.c' line='730' column='1'/>
+        <return type-id='503ff1ba'/>
+      </function-decl>
+      <function-decl name='devm_phy_optional_get' mangled-name='devm_phy_optional_get' filepath='drivers/phy/phy-core.c' line='763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_optional_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='763' column='1'/>
+        <parameter type-id='80f4b756' name='string' filepath='drivers/phy/phy-core.c' line='763' column='1'/>
+        <return type-id='503ff1ba'/>
+      </function-decl>
+      <function-decl name='devm_phy_put' mangled-name='devm_phy_put' filepath='drivers/phy/phy-core.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_put'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='611' column='1'/>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='611' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_pinctrl_get' mangled-name='devm_pinctrl_get' filepath='drivers/pinctrl/core.c' line='1339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1339' column='1'/>
+        <return type-id='73ea90c5'/>
+      </function-decl>
+      <function-decl name='devm_pinctrl_put' mangled-name='devm_pinctrl_put' filepath='drivers/pinctrl/core.c' line='1374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_put'>
+        <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1374' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_pinctrl_register' mangled-name='devm_pinctrl_register' filepath='drivers/pinctrl/core.c' line='2227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='2227' column='1'/>
+        <parameter type-id='d4682107' name='pctldesc' filepath='drivers/pinctrl/core.c' line='2228' column='1'/>
+        <parameter type-id='eaa32e2f' name='driver_data' filepath='drivers/pinctrl/core.c' line='2229' column='1'/>
+        <return type-id='10216dc5'/>
+      </function-decl>
+      <function-decl name='devm_pinctrl_register_and_init' mangled-name='devm_pinctrl_register_and_init' filepath='drivers/pinctrl/core.c' line='2261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_register_and_init'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='2261' column='1'/>
+        <parameter type-id='d4682107' name='pctldesc' filepath='drivers/pinctrl/core.c' line='2262' column='1'/>
+        <parameter type-id='eaa32e2f' name='driver_data' filepath='drivers/pinctrl/core.c' line='2263' column='1'/>
+        <parameter type-id='53a00f3d' name='pctldev' filepath='drivers/pinctrl/core.c' line='2264' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_platform_get_and_ioremap_resource' mangled-name='devm_platform_get_and_ioremap_resource' filepath='drivers/base/platform.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_platform_get_and_ioremap_resource'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='80' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/base/platform.c' line='81' column='1'/>
+        <parameter type-id='e359e165' name='res' filepath='drivers/base/platform.c' line='81' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_platform_ioremap_resource' mangled-name='devm_platform_ioremap_resource' filepath='drivers/base/platform.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_platform_ioremap_resource'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='103' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/base/platform.c' line='104' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_platform_ioremap_resource_byname' mangled-name='devm_platform_ioremap_resource_byname' filepath='drivers/base/platform.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_platform_ioremap_resource_byname'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='143' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='144' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devm_power_supply_register' mangled-name='devm_power_supply_register' filepath='drivers/power/supply/power_supply_core.c' line='1370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_power_supply_register'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/power/supply/power_supply_core.c' line='1370' column='1'/>
+        <parameter type-id='cb9cd99f' name='desc' filepath='drivers/power/supply/power_supply_core.c' line='1371' column='1'/>
+        <parameter type-id='048b3ad6' name='cfg' filepath='drivers/power/supply/power_supply_core.c' line='1372' column='1'/>
+        <return type-id='c0c93c9e'/>
+      </function-decl>
+      <function-decl name='devm_pwm_get' mangled-name='devm_pwm_get' filepath='drivers/pwm/core.c' line='1153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pwm_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pwm/core.c' line='1153' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/pwm/core.c' line='1153' column='1'/>
+        <return type-id='f06adae0'/>
+      </function-decl>
+      <function-decl name='devm_rc_allocate_device' mangled-name='devm_rc_allocate_device' filepath='drivers/media/rc/rc-main.c' line='1759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rc_allocate_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/media/rc/rc-main.c' line='1759' column='1'/>
+        <parameter type-id='d4dbe3db' name='type' filepath='drivers/media/rc/rc-main.c' line='1760' column='1'/>
+        <return type-id='75ae4804'/>
+      </function-decl>
+      <function-decl name='devm_rc_register_device' mangled-name='devm_rc_register_device' filepath='drivers/media/rc/rc-main.c' line='1993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rc_register_device'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/media/rc/rc-main.c' line='1993' column='1'/>
+        <parameter type-id='75ae4804' name='dev' filepath='drivers/media/rc/rc-main.c' line='1993' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_regmap_add_irq_chip' mangled-name='devm_regmap_add_irq_chip' filepath='drivers/base/regmap/regmap-irq.c' line='990' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regmap_add_irq_chip'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap-irq.c' line='990' column='1'/>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap-irq.c' line='990' column='1'/>
+        <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='990' column='1'/>
+        <parameter type-id='95e97e5e' name='irq_flags' filepath='drivers/base/regmap/regmap-irq.c' line='991' column='1'/>
+        <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/base/regmap/regmap-irq.c' line='991' column='1'/>
+        <parameter type-id='78965926' name='chip' filepath='drivers/base/regmap/regmap-irq.c' line='992' column='1'/>
+        <parameter type-id='a731d0ec' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='993' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_regmap_field_alloc' mangled-name='devm_regmap_field_alloc' filepath='drivers/base/regmap/regmap.c' line='1259' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regmap_field_alloc'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='1259' column='1'/>
+        <parameter type-id='29af9a71' name='regmap' filepath='drivers/base/regmap/regmap.c' line='1260' column='1'/>
+        <parameter type-id='d7d5e052' name='reg_field' filepath='drivers/base/regmap/regmap.c' line='1260' column='1'/>
+        <return type-id='476eb32c'/>
+      </function-decl>
+      <function-decl name='devm_regulator_bulk_get' mangled-name='devm_regulator_bulk_get' filepath='drivers/regulator/devres.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_bulk_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='145' column='1'/>
+        <parameter type-id='95e97e5e' name='num_consumers' filepath='drivers/regulator/devres.c' line='145' column='1'/>
+        <parameter type-id='776946b4' name='consumers' filepath='drivers/regulator/devres.c' line='146' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_regulator_get' mangled-name='devm_regulator_get' filepath='drivers/regulator/devres.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='51' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/devres.c' line='51' column='1'/>
+        <return type-id='850c13f6'/>
+      </function-decl>
+      <function-decl name='devm_regulator_get_exclusive' mangled-name='devm_regulator_get_exclusive' filepath='drivers/regulator/devres.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_get_exclusive'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='66' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/devres.c' line='67' column='1'/>
+        <return type-id='850c13f6'/>
+      </function-decl>
+      <function-decl name='devm_regulator_get_optional' mangled-name='devm_regulator_get_optional' filepath='drivers/regulator/devres.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_get_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='82' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/devres.c' line='83' column='1'/>
+        <return type-id='850c13f6'/>
+      </function-decl>
+      <function-decl name='devm_regulator_put' mangled-name='devm_regulator_put' filepath='drivers/regulator/devres.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_put'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/devres.c' line='107' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_regulator_register' mangled-name='devm_regulator_register' filepath='drivers/regulator/devres.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='185' column='1'/>
+        <parameter type-id='5629bd41' name='regulator_desc' filepath='drivers/regulator/devres.c' line='186' column='1'/>
+        <parameter type-id='661ccd0c' name='config' filepath='drivers/regulator/devres.c' line='187' column='1'/>
+        <return type-id='43c38462'/>
+      </function-decl>
+      <function-decl name='devm_remove_action' mangled-name='devm_remove_action' filepath='drivers/base/devres.c' line='765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_remove_action'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='765' column='1'/>
+        <parameter type-id='b7f9d8e6' name='action' filepath='drivers/base/devres.c' line='765' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devres.c' line='765' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_request_any_context_irq' mangled-name='devm_request_any_context_irq' filepath='kernel/irq/devres.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_request_any_context_irq'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='99' column='1'/>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/devres.c' line='99' column='1'/>
+        <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/devres.c' line='100' column='1'/>
+        <parameter type-id='7359adad' name='irqflags' filepath='kernel/irq/devres.c' line='100' column='1'/>
+        <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/devres.c' line='101' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/devres.c' line='101' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_request_threaded_irq' mangled-name='devm_request_threaded_irq' filepath='kernel/irq/devres.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_request_threaded_irq'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='51' column='1'/>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/devres.c' line='51' column='1'/>
+        <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/devres.c' line='52' column='1'/>
+        <parameter type-id='29591c9a' name='thread_fn' filepath='kernel/irq/devres.c' line='52' column='1'/>
+        <parameter type-id='7359adad' name='irqflags' filepath='kernel/irq/devres.c' line='53' column='1'/>
+        <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/devres.c' line='53' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/devres.c' line='54' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_reset_control_array_get' mangled-name='devm_reset_control_array_get' filepath='drivers/reset/core.c' line='926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_reset_control_array_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='926' column='1'/>
+        <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='926' column='1'/>
+        <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='926' column='1'/>
+        <return type-id='9f9b8114'/>
+      </function-decl>
+      <function-decl name='devm_reset_controller_register' mangled-name='devm_reset_controller_register' filepath='drivers/reset/core.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_reset_controller_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='142' column='1'/>
+        <parameter type-id='775147d9' name='rcdev' filepath='drivers/reset/core.c' line='143' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_rtc_allocate_device' mangled-name='devm_rtc_allocate_device' filepath='drivers/rtc/class.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rtc_allocate_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/rtc/class.c' line='359' column='1'/>
+        <return type-id='5992ae83'/>
+      </function-decl>
+      <function-decl name='devm_rtc_device_register' mangled-name='devm_rtc_device_register' filepath='drivers/rtc/class.c' line='454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rtc_device_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/rtc/class.c' line='454' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/rtc/class.c' line='455' column='1'/>
+        <parameter type-id='b902d9c7' name='ops' filepath='drivers/rtc/class.c' line='456' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/rtc/class.c' line='457' column='1'/>
+        <return type-id='5992ae83'/>
+      </function-decl>
+      <function-decl name='devm_snd_dmaengine_pcm_register' mangled-name='devm_snd_dmaengine_pcm_register' filepath='sound/soc/soc-devres.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_snd_dmaengine_pcm_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-devres.c' line='139' column='1'/>
+        <parameter type-id='cf458aec' name='config' filepath='sound/soc/soc-devres.c' line='140' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='sound/soc/soc-devres.c' line='140' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_snd_soc_register_card' mangled-name='devm_snd_soc_register_card' filepath='sound/soc/soc-devres.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_snd_soc_register_card'>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-devres.c' line='102' column='1'/>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-devres.c' line='102' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_snd_soc_register_component' mangled-name='devm_snd_soc_register_component' filepath='sound/soc/soc-devres.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_snd_soc_register_component'>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-devres.c' line='66' column='1'/>
+        <parameter type-id='f030c2b8' name='cmpnt_drv' filepath='sound/soc/soc-devres.c' line='67' column='1'/>
+        <parameter type-id='763d26a2' name='dai_drv' filepath='sound/soc/soc-devres.c' line='68' column='1'/>
+        <parameter type-id='95e97e5e' name='num_dai' filepath='sound/soc/soc-devres.c' line='68' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_spi_register_controller' mangled-name='devm_spi_register_controller' filepath='drivers/spi/spi.c' line='2830' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_spi_register_controller'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/spi/spi.c' line='2830' column='1'/>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2831' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devm_thermal_of_cooling_device_register' mangled-name='devm_thermal_of_cooling_device_register' filepath='drivers/thermal/thermal_core.c' line='1226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_thermal_of_cooling_device_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_core.c' line='1226' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/thermal/thermal_core.c' line='1227' column='1'/>
+        <parameter type-id='26a90f95' name='type' filepath='drivers/thermal/thermal_core.c' line='1228' column='1'/>
+        <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1228' column='1'/>
+        <parameter type-id='6f4dc085' name='ops' filepath='drivers/thermal/thermal_core.c' line='1229' column='1'/>
+        <return type-id='2feec21f'/>
+      </function-decl>
+      <function-decl name='devm_thermal_zone_of_sensor_register' mangled-name='devm_thermal_zone_of_sensor_register' filepath='drivers/thermal/thermal_of.c' line='615' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_thermal_zone_of_sensor_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='616' column='1'/>
+        <parameter type-id='95e97e5e' name='sensor_id' filepath='drivers/thermal/thermal_of.c' line='616' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/thermal/thermal_of.c' line='617' column='1'/>
+        <parameter type-id='83036d6c' name='ops' filepath='drivers/thermal/thermal_of.c' line='617' column='1'/>
+        <return type-id='404b1300'/>
+      </function-decl>
+      <function-decl name='devm_thermal_zone_of_sensor_unregister' mangled-name='devm_thermal_zone_of_sensor_unregister' filepath='drivers/thermal/thermal_of.c' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_thermal_zone_of_sensor_unregister'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='652' column='1'/>
+        <parameter type-id='404b1300' name='tzd' filepath='drivers/thermal/thermal_of.c' line='653' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devm_usb_get_phy' mangled-name='devm_usb_get_phy' filepath='drivers/usb/phy/phy.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_usb_get_phy'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/phy/phy.c' line='426' column='1'/>
+        <parameter type-id='d95f4827' name='type' filepath='drivers/usb/phy/phy.c' line='426' column='1'/>
+        <return type-id='ca9354d1'/>
+      </function-decl>
+      <function-decl name='devm_usb_get_phy_by_phandle' mangled-name='devm_usb_get_phy_by_phandle' filepath='drivers/usb/phy/phy.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_usb_get_phy_by_phandle'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/phy/phy.c' line='556' column='1'/>
+        <parameter type-id='80f4b756' name='phandle' filepath='drivers/usb/phy/phy.c' line='557' column='1'/>
+        <parameter type-id='f9b06939' name='index' filepath='drivers/usb/phy/phy.c' line='557' column='1'/>
+        <return type-id='ca9354d1'/>
+      </function-decl>
+      <function-decl name='devm_watchdog_register_device' mangled-name='devm_watchdog_register_device' filepath='drivers/watchdog/watchdog_core.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_watchdog_register_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/watchdog/watchdog_core.c' line='381' column='1'/>
+        <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='382' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='devres_add' mangled-name='devres_add' filepath='drivers/base/devres.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_add'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='245' column='1'/>
+        <parameter type-id='eaa32e2f' name='res' filepath='drivers/base/devres.c' line='245' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devres_alloc_node' mangled-name='devres_alloc_node' filepath='drivers/base/devres.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_alloc_node'>
+        <parameter type-id='b6609e5b' name='release' filepath='drivers/base/devres.c' line='165' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/base/devres.c' line='165' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='165' column='1'/>
+        <parameter type-id='95e97e5e' name='nid' filepath='drivers/base/devres.c' line='165' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='devres_free' mangled-name='devres_free' filepath='drivers/base/devres.c' line='225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_free'>
+        <parameter type-id='eaa32e2f' name='res' filepath='drivers/base/devres.c' line='225' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='devres_release' mangled-name='devres_release' filepath='drivers/base/devres.c' line='422' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_release'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='422' column='1'/>
+        <parameter type-id='b6609e5b' name='release' filepath='drivers/base/devres.c' line='422' column='1'/>
+        <parameter type-id='4a798fcf' name='match' filepath='drivers/base/devres.c' line='423' column='1'/>
+        <parameter type-id='eaa32e2f' name='match_data' filepath='drivers/base/devres.c' line='423' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='disable_hardirq' mangled-name='disable_hardirq' filepath='kernel/irq/manage.c' line='661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disable_hardirq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='661' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='disable_irq' mangled-name='disable_irq' filepath='kernel/irq/manage.c' line='637' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disable_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='637' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='disable_irq_nosync' mangled-name='disable_irq_nosync' filepath='kernel/irq/manage.c' line='619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disable_irq_nosync'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='619' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='disable_percpu_irq' mangled-name='disable_percpu_irq' filepath='kernel/irq/manage.c' line='2334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disable_percpu_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2334' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='disk_end_io_acct' mangled-name='disk_end_io_acct' filepath='block/blk-core.c' line='1375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disk_end_io_acct'>
+        <parameter type-id='33c599da' name='disk' filepath='block/blk-core.c' line='1375' column='1'/>
+        <parameter type-id='f0981eeb' name='op' filepath='block/blk-core.c' line='1375' column='1'/>
+        <parameter type-id='7359adad' name='start_time' filepath='block/blk-core.c' line='1376' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='disk_start_io_acct' mangled-name='disk_start_io_acct' filepath='block/blk-core.c' line='1346' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disk_start_io_acct'>
+        <parameter type-id='33c599da' name='disk' filepath='block/blk-core.c' line='1346' column='1'/>
+        <parameter type-id='f0981eeb' name='sectors' filepath='block/blk-core.c' line='1346' column='1'/>
+        <parameter type-id='f0981eeb' name='op' filepath='block/blk-core.c' line='1347' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='divider_get_val' mangled-name='divider_get_val' filepath='drivers/clk/clk-divider.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_get_val'>
+        <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk-divider.c' line='401' column='1'/>
+        <parameter type-id='7359adad' name='parent_rate' filepath='drivers/clk/clk-divider.c' line='401' column='1'/>
+        <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='402' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='402' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='403' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='divider_recalc_rate' mangled-name='divider_recalc_rate' filepath='drivers/clk/clk-divider.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_recalc_rate'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='129' column='1'/>
+        <parameter type-id='7359adad' name='parent_rate' filepath='drivers/clk/clk-divider.c' line='129' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='drivers/clk/clk-divider.c' line='130' column='1'/>
+        <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='131' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='132' column='1'/>
+        <parameter type-id='7359adad' name='width' filepath='drivers/clk/clk-divider.c' line='132' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='divider_ro_round_rate_parent' mangled-name='divider_ro_round_rate_parent' filepath='drivers/clk/clk-divider.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_ro_round_rate_parent'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='358' column='1'/>
+        <parameter type-id='3aaeef89' name='parent' filepath='drivers/clk/clk-divider.c' line='358' column='1'/>
+        <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk-divider.c' line='359' column='1'/>
+        <parameter type-id='1d2c2b85' name='prate' filepath='drivers/clk/clk-divider.c' line='359' column='1'/>
+        <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='360' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='360' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='361' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='drivers/clk/clk-divider.c' line='361' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='divider_round_rate_parent' mangled-name='divider_round_rate_parent' filepath='drivers/clk/clk-divider.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_round_rate_parent'>
+        <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='345' column='1'/>
+        <parameter type-id='3aaeef89' name='parent' filepath='drivers/clk/clk-divider.c' line='345' column='1'/>
+        <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk-divider.c' line='346' column='1'/>
+        <parameter type-id='1d2c2b85' name='prate' filepath='drivers/clk/clk-divider.c' line='346' column='1'/>
+        <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='347' column='1'/>
+        <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='348' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='348' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='dma_alloc_attrs' mangled-name='dma_alloc_attrs' filepath='kernel/dma/mapping.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_alloc_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='424' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='424' column='1'/>
+        <parameter type-id='e835b5d8' name='dma_handle' filepath='kernel/dma/mapping.c' line='424' column='1'/>
+        <parameter type-id='3eb7c31c' name='flag' filepath='kernel/dma/mapping.c' line='425' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='425' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dma_alloc_noncoherent' mangled-name='dma_alloc_noncoherent' filepath='kernel/dma/mapping.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_alloc_noncoherent'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='517' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='517' column='1'/>
+        <parameter type-id='e835b5d8' name='dma_handle' filepath='kernel/dma/mapping.c' line='518' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='518' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='kernel/dma/mapping.c' line='518' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dma_async_device_register' mangled-name='dma_async_device_register' filepath='drivers/dma/dmaengine.c' line='1141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_async_device_register'>
+        <parameter type-id='c60ba652' name='device' filepath='drivers/dma/dmaengine.c' line='1141' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_async_device_unregister' mangled-name='dma_async_device_unregister' filepath='drivers/dma/dmaengine.c' line='1312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_async_device_unregister'>
+        <parameter type-id='c60ba652' name='device' filepath='drivers/dma/dmaengine.c' line='1312' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_async_tx_descriptor_init' mangled-name='dma_async_tx_descriptor_init' filepath='drivers/dma/dmaengine.c' line='1498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_async_tx_descriptor_init'>
+        <parameter type-id='0e3f80d9' name='tx' filepath='drivers/dma/dmaengine.c' line='1498' column='1'/>
+        <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='1499' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_buf_attach' mangled-name='dma_buf_attach' filepath='drivers/dma-buf/dma-buf.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_attach'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='824' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/dma-buf/dma-buf.c' line='825' column='1'/>
+        <return type-id='e68e04c1'/>
+      </function-decl>
+      <function-decl name='dma_buf_begin_cpu_access' mangled-name='dma_buf_begin_cpu_access' filepath='drivers/dma-buf/dma-buf.c' line='1142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_begin_cpu_access'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1142' column='1'/>
+        <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1143' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_buf_begin_cpu_access_partial' mangled-name='dma_buf_begin_cpu_access_partial' filepath='drivers/dma-buf/dma-buf.c' line='1164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_begin_cpu_access_partial'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1164' column='1'/>
+        <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1165' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/dma-buf/dma-buf.c' line='1166' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='drivers/dma-buf/dma-buf.c' line='1166' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_buf_detach' mangled-name='dma_buf_detach' filepath='drivers/dma-buf/dma-buf.c' line='839' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_detach'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='839' column='1'/>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='839' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_buf_end_cpu_access' mangled-name='dma_buf_end_cpu_access' filepath='drivers/dma-buf/dma-buf.c' line='1200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_end_cpu_access'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1200' column='1'/>
+        <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1201' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_buf_end_cpu_access_partial' mangled-name='dma_buf_end_cpu_access_partial' filepath='drivers/dma-buf/dma-buf.c' line='1214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_end_cpu_access_partial'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1214' column='1'/>
+        <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1215' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/dma-buf/dma-buf.c' line='1216' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='drivers/dma-buf/dma-buf.c' line='1216' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_buf_export' mangled-name='dma_buf_export' filepath='drivers/dma-buf/dma-buf.c' line='554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_export'>
+        <parameter type-id='aecb451e' name='exp_info' filepath='drivers/dma-buf/dma-buf.c' line='554' column='1'/>
+        <return type-id='5e4f599b'/>
+      </function-decl>
+      <function-decl name='dma_buf_fd' mangled-name='dma_buf_fd' filepath='drivers/dma-buf/dma-buf.c' line='653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_fd'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='653' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='drivers/dma-buf/dma-buf.c' line='653' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_buf_get' mangled-name='dma_buf_get' filepath='drivers/dma-buf/dma-buf.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_get'>
+        <parameter type-id='95e97e5e' name='fd' filepath='drivers/dma-buf/dma-buf.c' line='678' column='1'/>
+        <return type-id='5e4f599b'/>
+      </function-decl>
+      <function-decl name='dma_buf_get_flags' mangled-name='dma_buf_get_flags' filepath='drivers/dma-buf/dma-buf.c' line='1357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_get_flags'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1357' column='1'/>
+        <parameter type-id='1d2c2b85' name='flags' filepath='drivers/dma-buf/dma-buf.c' line='1357' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_buf_map_attachment' mangled-name='dma_buf_map_attachment' filepath='drivers/dma-buf/dma-buf.c' line='919' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_map_attachment'>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='919' column='1'/>
+        <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='920' column='1'/>
+        <return type-id='4adb0e6a'/>
+      </function-decl>
+      <function-decl name='dma_buf_mmap' mangled-name='dma_buf_mmap' filepath='drivers/dma-buf/dma-buf.c' line='1244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_mmap'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1244' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/dma-buf/dma-buf.c' line='1244' column='1'/>
+        <parameter type-id='7359adad' name='pgoff' filepath='drivers/dma-buf/dma-buf.c' line='1245' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_buf_put' mangled-name='dma_buf_put' filepath='drivers/dma-buf/dma-buf.c' line='706' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_put'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='706' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_buf_unmap_attachment' mangled-name='dma_buf_unmap_attachment' filepath='drivers/dma-buf/dma-buf.c' line='981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_unmap_attachment'>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='981' column='1'/>
+        <parameter type-id='4adb0e6a' name='sg_table' filepath='drivers/dma-buf/dma-buf.c' line='982' column='1'/>
+        <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='983' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_buf_vmap' mangled-name='dma_buf_vmap' filepath='drivers/dma-buf/dma-buf.c' line='1298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_vmap'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1298' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dma_buf_vunmap' mangled-name='dma_buf_vunmap' filepath='drivers/dma-buf/dma-buf.c' line='1338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_vunmap'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1338' column='1'/>
+        <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/dma-buf/dma-buf.c' line='1338' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='dma_contiguous_default_area' type-id='6f67b38a' mangled-name='dma_contiguous_default_area' visibility='default' filepath='kernel/dma/contiguous.c' line='60' column='1' elf-symbol-id='dma_contiguous_default_area'/>
+      <function-decl name='dma_direct_alloc' mangled-name='dma_direct_alloc' filepath='kernel/dma/direct.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_direct_alloc'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/direct.c' line='155' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/direct.c' line='155' column='1'/>
+        <parameter type-id='e835b5d8' name='dma_handle' filepath='kernel/dma/direct.c' line='156' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='kernel/dma/direct.c' line='156' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/direct.c' line='156' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dma_direct_free' mangled-name='dma_direct_free' filepath='kernel/dma/direct.c' line='271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_direct_free'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/direct.c' line='271' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/direct.c' line='271' column='1'/>
+        <parameter type-id='eaa32e2f' name='cpu_addr' filepath='kernel/dma/direct.c' line='272' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma_addr' filepath='kernel/dma/direct.c' line='272' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/direct.c' line='272' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_fence_add_callback' mangled-name='dma_fence_add_callback' filepath='drivers/dma-buf/dma-fence.c' line='612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_add_callback'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='612' column='1'/>
+        <parameter type-id='a47516e5' name='cb' filepath='drivers/dma-buf/dma-fence.c' line='612' column='1'/>
+        <parameter type-id='9c175524' name='func' filepath='drivers/dma-buf/dma-fence.c' line='613' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='dma_fence_array_ops' type-id='ee0fc87b' mangled-name='dma_fence_array_ops' visibility='default' filepath='drivers/dma-buf/dma-fence-array.c' line='126' column='1' elf-symbol-id='dma_fence_array_ops'/>
+      <function-decl name='dma_fence_context_alloc' mangled-name='dma_fence_context_alloc' filepath='drivers/dma-buf/dma-fence.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_context_alloc'>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/dma-buf/dma-fence.c' line='152' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='dma_fence_default_wait' mangled-name='dma_fence_default_wait' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_default_wait'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1'/>
+        <parameter type-id='b50a4934' name='intr' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1'/>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='dma_fence_enable_sw_signaling' mangled-name='dma_fence_enable_sw_signaling' filepath='drivers/dma-buf/dma-fence.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_enable_sw_signaling'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='574' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_fence_free' mangled-name='dma_fence_free' filepath='drivers/dma-buf/dma-fence.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_free'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='536' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_fence_get_status' mangled-name='dma_fence_get_status' filepath='drivers/dma-buf/dma-fence.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_get_status'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='654' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_fence_init' mangled-name='dma_fence_init' filepath='drivers/dma-buf/dma-fence.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_init'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='904' column='1'/>
+        <parameter type-id='13d85783' name='ops' filepath='drivers/dma-buf/dma-fence.c' line='904' column='1'/>
+        <parameter type-id='cff2d845' name='lock' filepath='drivers/dma-buf/dma-fence.c' line='905' column='1'/>
+        <parameter type-id='91ce1af9' name='context' filepath='drivers/dma-buf/dma-fence.c' line='905' column='1'/>
+        <parameter type-id='91ce1af9' name='seqno' filepath='drivers/dma-buf/dma-fence.c' line='905' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_fence_match_context' mangled-name='dma_fence_match_context' filepath='drivers/dma-buf/dma-fence-array.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_match_context'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence-array.c' line='192' column='1'/>
+        <parameter type-id='91ce1af9' name='context' filepath='drivers/dma-buf/dma-fence-array.c' line='192' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='dma_fence_release' mangled-name='dma_fence_release' filepath='drivers/dma-buf/dma-fence.c' line='494' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_release'>
+        <parameter type-id='aa29ecab' name='kref' filepath='drivers/dma-buf/dma-fence.c' line='494' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_fence_remove_callback' mangled-name='dma_fence_remove_callback' filepath='drivers/dma-buf/dma-fence.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_remove_callback'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='686' column='1'/>
+        <parameter type-id='a47516e5' name='cb' filepath='drivers/dma-buf/dma-fence.c' line='686' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='dma_fence_signal' mangled-name='dma_fence_signal' filepath='drivers/dma-buf/dma-fence.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_signal'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='426' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_fence_signal_locked' mangled-name='dma_fence_signal_locked' filepath='drivers/dma-buf/dma-fence.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_signal_locked'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='407' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_fence_wait_timeout' mangled-name='dma_fence_wait_timeout' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_wait_timeout'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1'/>
+        <parameter type-id='b50a4934' name='intr' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1'/>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='dma_free_attrs' mangled-name='dma_free_attrs' filepath='kernel/dma/mapping.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_free_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='450' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='450' column='1'/>
+        <parameter type-id='eaa32e2f' name='cpu_addr' filepath='kernel/dma/mapping.c' line='450' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma_handle' filepath='kernel/dma/mapping.c' line='451' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='451' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_free_noncoherent' mangled-name='dma_free_noncoherent' filepath='kernel/dma/mapping.c' line='541' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_free_noncoherent'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='541' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='541' column='1'/>
+        <parameter type-id='eaa32e2f' name='vaddr' filepath='kernel/dma/mapping.c' line='541' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma_handle' filepath='kernel/dma/mapping.c' line='542' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='542' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_get_merge_boundary' mangled-name='dma_get_merge_boundary' filepath='kernel/dma/mapping.c' line='638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_merge_boundary'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='638' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='dma_get_required_mask' mangled-name='dma_get_required_mask' filepath='kernel/dma/mapping.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_required_mask'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='403' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='dma_get_sgtable_attrs' mangled-name='dma_get_sgtable_attrs' filepath='kernel/dma/mapping.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_sgtable_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='321' column='1'/>
+        <parameter type-id='4adb0e6a' name='sgt' filepath='kernel/dma/mapping.c' line='321' column='1'/>
+        <parameter type-id='eaa32e2f' name='cpu_addr' filepath='kernel/dma/mapping.c' line='322' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma_addr' filepath='kernel/dma/mapping.c' line='322' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='322' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='323' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_get_slave_caps' mangled-name='dma_get_slave_caps' filepath='drivers/dma/dmaengine.c' line='571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_slave_caps'>
+        <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='571' column='1'/>
+        <parameter type-id='d9f19b23' name='caps' filepath='drivers/dma/dmaengine.c' line='571' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_get_slave_channel' mangled-name='dma_get_slave_channel' filepath='drivers/dma/dmaengine.c' line='697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_slave_channel'>
+        <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='697' column='1'/>
+        <return type-id='27f3f5d8'/>
+      </function-decl>
+      <function-decl name='dma_heap_add' mangled-name='dma_heap_add' filepath='drivers/dma-buf/dma-heap.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_add'>
+        <parameter type-id='dbe60995' name='exp_info' filepath='drivers/dma-buf/dma-heap.c' line='305' column='1'/>
+        <return type-id='ea1bdaf6'/>
+      </function-decl>
+      <function-decl name='dma_heap_buffer_alloc' mangled-name='dma_heap_buffer_alloc' filepath='drivers/dma-buf/dma-heap.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_buffer_alloc'>
+        <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='81' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/dma-buf/dma-heap.c' line='81' column='1'/>
+        <parameter type-id='f0981eeb' name='fd_flags' filepath='drivers/dma-buf/dma-heap.c' line='82' column='1'/>
+        <parameter type-id='f0981eeb' name='heap_flags' filepath='drivers/dma-buf/dma-heap.c' line='83' column='1'/>
+        <return type-id='5e4f599b'/>
+      </function-decl>
+      <function-decl name='dma_heap_buffer_free' mangled-name='dma_heap_buffer_free' filepath='drivers/dma-buf/dma-heap.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_buffer_free'>
+        <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-heap.c' line='75' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_heap_find' mangled-name='dma_heap_find' filepath='drivers/dma-buf/dma-heap.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_find'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/dma-buf/dma-heap.c' line='57' column='1'/>
+        <return type-id='ea1bdaf6'/>
+      </function-decl>
+      <function-decl name='dma_heap_get_dev' mangled-name='dma_heap_get_dev' filepath='drivers/dma-buf/dma-heap.c' line='286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_get_dev'>
+        <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='286' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='dma_heap_get_drvdata' mangled-name='dma_heap_get_drvdata' filepath='drivers/dma-buf/dma-heap.c' line='246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_get_drvdata'>
+        <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='246' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dma_heap_get_name' mangled-name='dma_heap_get_name' filepath='drivers/dma-buf/dma-heap.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_get_name'>
+        <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='299' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='dma_heap_put' mangled-name='dma_heap_put' filepath='drivers/dma-buf/dma-heap.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_put'>
+        <parameter type-id='ea1bdaf6' name='h' filepath='drivers/dma-buf/dma-heap.c' line='267' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_map_page_attrs' mangled-name='dma_map_page_attrs' filepath='kernel/dma/mapping.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_map_page_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='140' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='kernel/dma/mapping.c' line='140' column='1'/>
+        <parameter type-id='b59d7dce' name='offset' filepath='kernel/dma/mapping.c' line='141' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='141' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='141' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='142' column='1'/>
+        <return type-id='cf29c9b3'/>
+      </function-decl>
+      <function-decl name='dma_map_resource' mangled-name='dma_map_resource' filepath='kernel/dma/mapping.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_map_resource'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='217' column='1'/>
+        <parameter type-id='2522883d' name='phys_addr' filepath='kernel/dma/mapping.c' line='217' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='218' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='218' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='218' column='1'/>
+        <return type-id='cf29c9b3'/>
+      </function-decl>
+      <function-decl name='dma_map_sg_attrs' mangled-name='dma_map_sg_attrs' filepath='kernel/dma/mapping.c' line='180' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_map_sg_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='180' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='180' column='1'/>
+        <parameter type-id='95e97e5e' name='nents' filepath='kernel/dma/mapping.c' line='180' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='181' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='181' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_max_mapping_size' mangled-name='dma_max_mapping_size' filepath='kernel/dma/mapping.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_max_mapping_size'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='614' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='dma_mmap_attrs' mangled-name='dma_mmap_attrs' filepath='kernel/dma/mapping.c' line='388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_mmap_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='388' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='kernel/dma/mapping.c' line='388' column='1'/>
+        <parameter type-id='eaa32e2f' name='cpu_addr' filepath='kernel/dma/mapping.c' line='389' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma_addr' filepath='kernel/dma/mapping.c' line='389' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='389' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='390' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_pool_alloc' mangled-name='dma_pool_alloc' filepath='mm/dmapool.c' line='314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_alloc'>
+        <parameter type-id='ab33c616' name='pool' filepath='mm/dmapool.c' line='314' column='1'/>
+        <parameter type-id='3eb7c31c' name='mem_flags' filepath='mm/dmapool.c' line='314' column='1'/>
+        <parameter type-id='e835b5d8' name='handle' filepath='mm/dmapool.c' line='315' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dma_pool_create' mangled-name='dma_pool_create' filepath='mm/dmapool.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_create'>
+        <parameter type-id='80f4b756' name='name' filepath='mm/dmapool.c' line='130' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='mm/dmapool.c' line='130' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/dmapool.c' line='131' column='1'/>
+        <parameter type-id='b59d7dce' name='align' filepath='mm/dmapool.c' line='131' column='1'/>
+        <parameter type-id='b59d7dce' name='boundary' filepath='mm/dmapool.c' line='131' column='1'/>
+        <return type-id='ab33c616'/>
+      </function-decl>
+      <function-decl name='dma_pool_destroy' mangled-name='dma_pool_destroy' filepath='mm/dmapool.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_destroy'>
+        <parameter type-id='ab33c616' name='pool' filepath='mm/dmapool.c' line='267' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_pool_free' mangled-name='dma_pool_free' filepath='mm/dmapool.c' line='404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_free'>
+        <parameter type-id='ab33c616' name='pool' filepath='mm/dmapool.c' line='404' column='1'/>
+        <parameter type-id='eaa32e2f' name='vaddr' filepath='mm/dmapool.c' line='404' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma' filepath='mm/dmapool.c' line='404' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_release_channel' mangled-name='dma_release_channel' filepath='drivers/dma/dmaengine.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_release_channel'>
+        <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='904' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_request_chan' mangled-name='dma_request_chan' filepath='drivers/dma/dmaengine.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_request_chan'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/dma/dmaengine.c' line='814' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/dma/dmaengine.c' line='814' column='1'/>
+        <return type-id='27f3f5d8'/>
+      </function-decl>
+      <function-decl name='dma_resv_add_excl_fence' mangled-name='dma_resv_add_excl_fence' filepath='drivers/dma-buf/dma-resv.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_add_excl_fence'>
+        <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='308' column='1'/>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-resv.c' line='308' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_resv_add_shared_fence' mangled-name='dma_resv_add_shared_fence' filepath='drivers/dma-buf/dma-resv.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_add_shared_fence'>
+        <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='263' column='1'/>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-resv.c' line='263' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_resv_get_fences_rcu' mangled-name='dma_resv_get_fences_rcu' filepath='drivers/dma-buf/dma-resv.c' line='432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_get_fences_rcu'>
+        <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='432' column='1'/>
+        <parameter type-id='be937eab' name='pfence_excl' filepath='drivers/dma-buf/dma-resv.c' line='433' column='1'/>
+        <parameter type-id='807869d3' name='pshared_count' filepath='drivers/dma-buf/dma-resv.c' line='434' column='1'/>
+        <parameter type-id='83302513' name='pshared' filepath='drivers/dma-buf/dma-resv.c' line='435' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_resv_reserve_shared' mangled-name='dma_resv_reserve_shared' filepath='drivers/dma-buf/dma-resv.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_reserve_shared'>
+        <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='187' column='1'/>
+        <parameter type-id='f0981eeb' name='num_fences' filepath='drivers/dma-buf/dma-resv.c' line='187' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_resv_test_signaled_rcu' mangled-name='dma_resv_test_signaled_rcu' filepath='drivers/dma-buf/dma-resv.c' line='634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_test_signaled_rcu'>
+        <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='634' column='1'/>
+        <parameter type-id='b50a4934' name='test_all' filepath='drivers/dma-buf/dma-resv.c' line='634' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='dma_resv_wait_timeout_rcu' mangled-name='dma_resv_wait_timeout_rcu' filepath='drivers/dma-buf/dma-resv.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_wait_timeout_rcu'>
+        <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='532' column='1'/>
+        <parameter type-id='b50a4934' name='wait_all' filepath='drivers/dma-buf/dma-resv.c' line='533' column='1'/>
+        <parameter type-id='b50a4934' name='intr' filepath='drivers/dma-buf/dma-resv.c' line='533' column='1'/>
+        <parameter type-id='7359adad' name='timeout' filepath='drivers/dma-buf/dma-resv.c' line='534' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='dma_set_coherent_mask' mangled-name='dma_set_coherent_mask' filepath='kernel/dma/mapping.c' line='597' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_set_coherent_mask'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='597' column='1'/>
+        <parameter type-id='91ce1af9' name='mask' filepath='kernel/dma/mapping.c' line='597' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_set_mask' mangled-name='dma_set_mask' filepath='kernel/dma/mapping.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_set_mask'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='579' column='1'/>
+        <parameter type-id='91ce1af9' name='mask' filepath='kernel/dma/mapping.c' line='579' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dma_sync_sg_for_cpu' mangled-name='dma_sync_sg_for_cpu' filepath='kernel/dma/mapping.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_sg_for_cpu'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='282' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='282' column='1'/>
+        <parameter type-id='95e97e5e' name='nelems' filepath='kernel/dma/mapping.c' line='283' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='283' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_sync_sg_for_device' mangled-name='dma_sync_sg_for_device' filepath='kernel/dma/mapping.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_sg_for_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='296' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='296' column='1'/>
+        <parameter type-id='95e97e5e' name='nelems' filepath='kernel/dma/mapping.c' line='297' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='297' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_sync_single_for_cpu' mangled-name='dma_sync_single_for_cpu' filepath='kernel/dma/mapping.c' line='254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_single_for_cpu'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='254' column='1'/>
+        <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='254' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='254' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='255' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_sync_single_for_device' mangled-name='dma_sync_single_for_device' filepath='kernel/dma/mapping.c' line='268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_single_for_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='268' column='1'/>
+        <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='268' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='269' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='269' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_unmap_page_attrs' mangled-name='dma_unmap_page_attrs' filepath='kernel/dma/mapping.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_unmap_page_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='162' column='1'/>
+        <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='162' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='162' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='163' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='163' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_unmap_resource' mangled-name='dma_unmap_resource' filepath='kernel/dma/mapping.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_unmap_resource'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='242' column='1'/>
+        <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='242' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='242' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='243' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='243' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dma_unmap_sg_attrs' mangled-name='dma_unmap_sg_attrs' filepath='kernel/dma/mapping.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_unmap_sg_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='202' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='202' column='1'/>
+        <parameter type-id='95e97e5e' name='nents' filepath='kernel/dma/mapping.c' line='203' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='203' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='204' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dmabuf_page_pool_alloc' mangled-name='dmabuf_page_pool_alloc' filepath='drivers/dma-buf/heaps/page_pool.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_alloc'>
+        <parameter type-id='586a9713' name='pool' filepath='drivers/dma-buf/heaps/page_pool.c' line='93' column='1'/>
+        <return type-id='02f11ed4'/>
+      </function-decl>
+      <function-decl name='dmabuf_page_pool_create' mangled-name='dmabuf_page_pool_create' filepath='drivers/dma-buf/heaps/page_pool.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_create'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='drivers/dma-buf/heaps/page_pool.c' line='127' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='drivers/dma-buf/heaps/page_pool.c' line='127' column='1'/>
+        <return type-id='586a9713'/>
+      </function-decl>
+      <function-decl name='dmabuf_page_pool_destroy' mangled-name='dmabuf_page_pool_destroy' filepath='drivers/dma-buf/heaps/page_pool.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_destroy'>
+        <parameter type-id='586a9713' name='pool' filepath='drivers/dma-buf/heaps/page_pool.c' line='156' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dmabuf_page_pool_free' mangled-name='dmabuf_page_pool_free' filepath='drivers/dma-buf/heaps/page_pool.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_free'>
+        <parameter type-id='586a9713' name='pool' filepath='drivers/dma-buf/heaps/page_pool.c' line='108' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='drivers/dma-buf/heaps/page_pool.c' line='108' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dmaengine_unmap_put' mangled-name='dmaengine_unmap_put' filepath='drivers/dma/dmaengine.c' line='1432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmaengine_unmap_put'>
+        <parameter type-id='e220a5e2' name='unmap' filepath='drivers/dma/dmaengine.c' line='1432' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dmam_alloc_attrs' mangled-name='dmam_alloc_attrs' filepath='kernel/dma/mapping.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmam_alloc_attrs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='82' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='82' column='1'/>
+        <parameter type-id='e835b5d8' name='dma_handle' filepath='kernel/dma/mapping.c' line='82' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='kernel/dma/mapping.c' line='83' column='1'/>
+        <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='83' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dmam_free_coherent' mangled-name='dmam_free_coherent' filepath='kernel/dma/mapping.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmam_free_coherent'>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='58' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='58' column='1'/>
+        <parameter type-id='eaa32e2f' name='vaddr' filepath='kernel/dma/mapping.c' line='58' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma_handle' filepath='kernel/dma/mapping.c' line='59' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dmam_pool_create' mangled-name='dmam_pool_create' filepath='mm/dmapool.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmam_pool_create'>
+        <parameter type-id='80f4b756' name='name' filepath='mm/dmapool.c' line='498' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='mm/dmapool.c' line='498' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/dmapool.c' line='499' column='1'/>
+        <parameter type-id='b59d7dce' name='align' filepath='mm/dmapool.c' line='499' column='1'/>
+        <parameter type-id='b59d7dce' name='allocation' filepath='mm/dmapool.c' line='499' column='1'/>
+        <return type-id='ab33c616'/>
+      </function-decl>
+      <function-decl name='do_SAK' mangled-name='do_SAK' filepath='drivers/tty/tty_io.c' line='3045' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_SAK'>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='3045' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='do_exit' mangled-name='do_exit' filepath='kernel/exit.c' line='763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_exit'>
+        <parameter type-id='bd54fe1a' name='code' filepath='kernel/exit.c' line='763' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='do_wait_intr' mangled-name='do_wait_intr' filepath='kernel/sched/wait.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_wait_intr'>
+        <parameter type-id='03d48e96' name='wq' filepath='kernel/sched/wait.c' line='334' column='1'/>
+        <parameter type-id='ba9aa326' name='wait' filepath='kernel/sched/wait.c' line='334' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='do_wait_intr_irq' mangled-name='do_wait_intr_irq' filepath='kernel/sched/wait.c' line='351' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_wait_intr_irq'>
+        <parameter type-id='03d48e96' name='wq' filepath='kernel/sched/wait.c' line='351' column='1'/>
+        <parameter type-id='ba9aa326' name='wait' filepath='kernel/sched/wait.c' line='351' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='down' mangled-name='down' filepath='kernel/locking/semaphore.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down'>
+        <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='53' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='down_interruptible' mangled-name='down_interruptible' filepath='kernel/locking/semaphore.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_interruptible'>
+        <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='75' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='down_read' mangled-name='down_read' filepath='kernel/locking/rwsem.c' line='1511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_read'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1511' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='down_read_trylock' mangled-name='down_read_trylock' filepath='kernel/locking/rwsem.c' line='1551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_read_trylock'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1551' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='down_timeout' mangled-name='down_timeout' filepath='kernel/locking/semaphore.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_timeout'>
+        <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='155' column='1'/>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/locking/semaphore.c' line='155' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='down_trylock' mangled-name='down_trylock' filepath='kernel/locking/semaphore.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_trylock'>
+        <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='130' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='down_write' mangled-name='down_write' filepath='kernel/locking/rwsem.c' line='1564' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_write'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1564' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='down_write_trylock' mangled-name='down_write_trylock' filepath='kernel/locking/rwsem.c' line='1593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_write_trylock'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1593' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='downgrade_write' mangled-name='downgrade_write' filepath='kernel/locking/rwsem.c' line='1628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='downgrade_write'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1628' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dput' mangled-name='dput' filepath='fs/dcache.c' line='859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dput'>
+        <parameter type-id='27675065' name='dentry' filepath='fs/dcache.c' line='859' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dql_completed' mangled-name='dql_completed' filepath='lib/dynamic_queue_limits.c' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dql_completed'>
+        <parameter type-id='6fe0e73c' name='dql' filepath='lib/dynamic_queue_limits.c' line='18' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='lib/dynamic_queue_limits.c' line='18' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dql_reset' mangled-name='dql_reset' filepath='lib/dynamic_queue_limits.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dql_reset'>
+        <parameter type-id='6fe0e73c' name='dql' filepath='lib/dynamic_queue_limits.c' line='116' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drain_workqueue' mangled-name='drain_workqueue' filepath='kernel/workqueue.c' line='2962' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drain_workqueue'>
+        <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='2962' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='driver_attach' mangled-name='driver_attach' filepath='drivers/base/dd.c' line='1138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_attach'>
+        <parameter type-id='00c7b870' name='drv' filepath='drivers/base/dd.c' line='1138' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='driver_create_file' mangled-name='driver_create_file' filepath='drivers/base/driver.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_create_file'>
+        <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='170' column='1'/>
+        <parameter type-id='1a5996d5' name='attr' filepath='drivers/base/driver.c' line='171' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='driver_find' mangled-name='driver_find' filepath='drivers/base/driver.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_find'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/driver.c' line='283' column='1'/>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/driver.c' line='283' column='1'/>
+        <return type-id='00c7b870'/>
+      </function-decl>
+      <function-decl name='driver_find_device' mangled-name='driver_find_device' filepath='drivers/base/driver.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_find_device'>
+        <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='145' column='1'/>
+        <parameter type-id='fa0b179b' name='start' filepath='drivers/base/driver.c' line='146' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/driver.c' line='146' column='1'/>
+        <parameter type-id='92d15ae9' name='match' filepath='drivers/base/driver.c' line='147' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='driver_register' mangled-name='driver_register' filepath='drivers/base/driver.c' line='216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_register'>
+        <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='216' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='driver_remove_file' mangled-name='driver_remove_file' filepath='drivers/base/driver.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_remove_file'>
+        <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='188' column='1'/>
+        <parameter type-id='1a5996d5' name='attr' filepath='drivers/base/driver.c' line='189' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='driver_unregister' mangled-name='driver_unregister' filepath='drivers/base/driver.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_unregister'>
+        <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='260' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_add_edid_modes' mangled-name='drm_add_edid_modes' filepath='drivers/gpu/drm/drm_edid.c' line='5336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_add_edid_modes'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5336' column='1'/>
+        <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='5336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_add_modes_noedid' mangled-name='drm_add_modes_noedid' filepath='drivers/gpu/drm/drm_edid.c' line='5415' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_add_modes_noedid'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5415' column='1'/>
+        <parameter type-id='95e97e5e' name='hdisplay' filepath='drivers/gpu/drm/drm_edid.c' line='5416' column='1'/>
+        <parameter type-id='95e97e5e' name='vdisplay' filepath='drivers/gpu/drm/drm_edid.c' line='5416' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_add_affected_connectors' mangled-name='drm_atomic_add_affected_connectors' filepath='drivers/gpu/drm/drm_atomic.c' line='1166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_add_affected_connectors'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1166' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic.c' line='1167' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_add_affected_planes' mangled-name='drm_atomic_add_affected_planes' filepath='drivers/gpu/drm/drm_atomic.c' line='1229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_add_affected_planes'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1229' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic.c' line='1230' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_bridge_chain_disable' mangled-name='drm_atomic_bridge_chain_disable' filepath='drivers/gpu/drm/drm_bridge.c' line='569' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_bridge_chain_disable'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='569' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_bridge.c' line='570' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_bridge_chain_post_disable' mangled-name='drm_atomic_bridge_chain_post_disable' filepath='drivers/gpu/drm/drm_bridge.c' line='613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_bridge_chain_post_disable'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='613' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_bridge.c' line='614' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_commit' mangled-name='drm_atomic_commit' filepath='drivers/gpu/drm/drm_atomic.c' line='1344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_commit'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_get_connector_state' mangled-name='drm_atomic_get_connector_state' filepath='drivers/gpu/drm/drm_atomic.c' line='953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_connector_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='953' column='1'/>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic.c' line='954' column='1'/>
+        <return type-id='249ef586'/>
+      </function-decl>
+      <function-decl name='drm_atomic_get_crtc_state' mangled-name='drm_atomic_get_crtc_state' filepath='drivers/gpu/drm/drm_atomic.c' line='300' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_crtc_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='300' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic.c' line='301' column='1'/>
+        <return type-id='35078cb9'/>
+      </function-decl>
+      <function-decl name='drm_atomic_get_new_bridge_state' mangled-name='drm_atomic_get_new_bridge_state' filepath='drivers/gpu/drm/drm_atomic.c' line='1092' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_new_bridge_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1092' column='1'/>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic.c' line='1093' column='1'/>
+        <return type-id='67bbaeda'/>
+      </function-decl>
+      <function-decl name='drm_atomic_get_new_connector_for_encoder' mangled-name='drm_atomic_get_new_connector_for_encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='921' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_new_connector_for_encoder'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='921' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='922' column='1'/>
+        <return type-id='4db02c58'/>
+      </function-decl>
+      <function-decl name='drm_atomic_get_old_connector_for_encoder' mangled-name='drm_atomic_get_old_connector_for_encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='887' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_old_connector_for_encoder'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='887' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='888' column='1'/>
+        <return type-id='4db02c58'/>
+      </function-decl>
+      <function-decl name='drm_atomic_get_plane_state' mangled-name='drm_atomic_get_plane_state' filepath='drivers/gpu/drm/drm_atomic.c' line='473' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_plane_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='473' column='1'/>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic.c' line='474' column='1'/>
+        <return type-id='d0835005'/>
+      </function-decl>
+      <function-decl name='drm_atomic_get_private_obj_state' mangled-name='drm_atomic_get_private_obj_state' filepath='drivers/gpu/drm/drm_atomic.c' line='779' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_private_obj_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='779' column='1'/>
+        <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic.c' line='780' column='1'/>
+        <return type-id='4ea020ae'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_bridge_destroy_state' mangled-name='drm_atomic_helper_bridge_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_destroy_state'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='613' column='1'/>
+        <parameter type-id='67bbaeda' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='614' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_bridge_duplicate_state' mangled-name='drm_atomic_helper_bridge_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_duplicate_state'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='587' column='1'/>
+        <return type-id='67bbaeda'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_bridge_propagate_bus_fmt' mangled-name='drm_atomic_helper_bridge_propagate_bus_fmt' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3597' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_propagate_bus_fmt'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3597' column='1'/>
+        <parameter type-id='67bbaeda' name='bridge_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3598' column='1'/>
+        <parameter type-id='35078cb9' name='crtc_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3599' column='1'/>
+        <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3600' column='1'/>
+        <parameter type-id='19c2251e' name='output_fmt' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3601' column='1'/>
+        <parameter type-id='807869d3' name='num_input_fmts' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3602' column='1'/>
+        <return type-id='f9409001'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_bridge_reset' mangled-name='drm_atomic_helper_bridge_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='648' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_reset'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='648' column='1'/>
+        <return type-id='67bbaeda'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_calc_timestamping_constants' mangled-name='drm_atomic_helper_calc_timestamping_constants' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_calc_timestamping_constants'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1217' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_check' mangled-name='drm_atomic_helper_check' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='959' column='1'/>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='960' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_check_modeset' mangled-name='drm_atomic_helper_check_modeset' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check_modeset'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='605' column='1'/>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='606' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_check_plane_state' mangled-name='drm_atomic_helper_check_plane_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='790' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check_plane_state'>
+        <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='790' column='1'/>
+        <parameter type-id='c9982f26' name='crtc_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='791' column='1'/>
+        <parameter type-id='95e97e5e' name='min_scale' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='792' column='1'/>
+        <parameter type-id='95e97e5e' name='max_scale' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='793' column='1'/>
+        <parameter type-id='b50a4934' name='can_position' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='794' column='1'/>
+        <parameter type-id='b50a4934' name='can_update_disabled' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='795' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_check_planes' mangled-name='drm_atomic_helper_check_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='882' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check_planes'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='882' column='1'/>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='883' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_cleanup_planes' mangled-name='drm_atomic_helper_cleanup_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2712' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_cleanup_planes'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2712' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2713' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit' mangled-name='drm_atomic_helper_commit' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1831' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1831' column='1'/>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1832' column='1'/>
+        <parameter type-id='b50a4934' name='nonblock' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1833' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit_cleanup_done' mangled-name='drm_atomic_helper_commit_cleanup_done' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2371' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_cleanup_done'>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2371' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit_duplicated_state' mangled-name='drm_atomic_helper_commit_duplicated_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_duplicated_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3308' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3309' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit_hw_done' mangled-name='drm_atomic_helper_commit_hw_done' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_hw_done'>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2326' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit_modeset_disables' mangled-name='drm_atomic_helper_commit_modeset_disables' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_modeset_disables'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1307' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1308' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit_modeset_enables' mangled-name='drm_atomic_helper_commit_modeset_enables' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_modeset_enables'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1354' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1355' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit_planes' mangled-name='drm_atomic_helper_commit_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_planes'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2506' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2507' column='1'/>
+        <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2508' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_commit_tail' mangled-name='drm_atomic_helper_commit_tail' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_tail'>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1593' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_connector_destroy_state' mangled-name='drm_atomic_helper_connector_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_connector_destroy_state'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='537' column='1'/>
+        <parameter type-id='249ef586' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='538' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_connector_duplicate_state' mangled-name='drm_atomic_helper_connector_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_connector_duplicate_state'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='490' column='1'/>
+        <return type-id='249ef586'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_connector_reset' mangled-name='drm_atomic_helper_connector_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_connector_reset'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='426' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_crtc_destroy_state' mangled-name='drm_atomic_helper_crtc_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_crtc_destroy_state'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='227' column='1'/>
+        <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='228' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_crtc_duplicate_state' mangled-name='drm_atomic_helper_crtc_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_crtc_duplicate_state'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='168' column='1'/>
+        <return type-id='35078cb9'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_crtc_reset' mangled-name='drm_atomic_helper_crtc_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_crtc_reset'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='111' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_damage_merged' mangled-name='drm_atomic_helper_damage_merged' filepath='drivers/gpu/drm/drm_damage_helper.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_damage_merged'>
+        <parameter type-id='ed31fbf8' name='old_state' filepath='drivers/gpu/drm/drm_damage_helper.c' line='359' column='1'/>
+        <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_damage_helper.c' line='360' column='1'/>
+        <parameter type-id='c91d6c11' name='rect' filepath='drivers/gpu/drm/drm_damage_helper.c' line='361' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_dirtyfb' mangled-name='drm_atomic_helper_dirtyfb' filepath='drivers/gpu/drm/drm_damage_helper.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_dirtyfb'>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_damage_helper.c' line='160' column='1'/>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_damage_helper.c' line='161' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='drivers/gpu/drm/drm_damage_helper.c' line='161' column='1'/>
+        <parameter type-id='f0981eeb' name='color' filepath='drivers/gpu/drm/drm_damage_helper.c' line='162' column='1'/>
+        <parameter type-id='254852de' name='clips' filepath='drivers/gpu/drm/drm_damage_helper.c' line='162' column='1'/>
+        <parameter type-id='f0981eeb' name='num_clips' filepath='drivers/gpu/drm/drm_damage_helper.c' line='163' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_disable_plane' mangled-name='drm_atomic_helper_disable_plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_disable_plane'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2963' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2964' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_duplicate_state' mangled-name='drm_atomic_helper_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_duplicate_state'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3174' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3175' column='1'/>
+        <return type-id='e3dd029e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_fake_vblank' mangled-name='drm_atomic_helper_fake_vblank' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_fake_vblank'>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2288' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_page_flip' mangled-name='drm_atomic_helper_page_flip' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_page_flip'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3428' column='1'/>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3429' column='1'/>
+        <parameter type-id='6301fad2' name='event' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3430' column='1'/>
+        <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3431' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3432' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_plane_destroy_state' mangled-name='drm_atomic_helper_plane_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='371' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_plane_destroy_state'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='371' column='1'/>
+        <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='372' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_plane_duplicate_state' mangled-name='drm_atomic_helper_plane_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_plane_duplicate_state'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='325' column='1'/>
+        <return type-id='d0835005'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_plane_reset' mangled-name='drm_atomic_helper_plane_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_plane_reset'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='283' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_prepare_planes' mangled-name='drm_atomic_helper_prepare_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_prepare_planes'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2411' column='1'/>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2412' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_set_config' mangled-name='drm_atomic_helper_set_config' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3011' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_set_config'>
+        <parameter type-id='8106240b' name='set' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3011' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3012' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_setup_commit' mangled-name='drm_atomic_helper_setup_commit' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2089' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_setup_commit'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2089' column='1'/>
+        <parameter type-id='b50a4934' name='nonblock' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2090' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_shutdown' mangled-name='drm_atomic_helper_shutdown' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_shutdown'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3134' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_swap_state' mangled-name='drm_atomic_helper_swap_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_swap_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2775' column='1'/>
+        <parameter type-id='b50a4934' name='stall' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2776' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_update_legacy_modeset_state' mangled-name='drm_atomic_helper_update_legacy_modeset_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_update_legacy_modeset_state'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1149' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1150' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_update_plane' mangled-name='drm_atomic_helper_update_plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2906' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_update_plane'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2906' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2907' column='1'/>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2908' column='1'/>
+        <parameter type-id='95e97e5e' name='crtc_x' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2909' column='1'/>
+        <parameter type-id='95e97e5e' name='crtc_y' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2909' column='1'/>
+        <parameter type-id='f0981eeb' name='crtc_w' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2910' column='1'/>
+        <parameter type-id='f0981eeb' name='crtc_h' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2910' column='1'/>
+        <parameter type-id='8f92235e' name='src_x' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2911' column='1'/>
+        <parameter type-id='8f92235e' name='src_y' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2911' column='1'/>
+        <parameter type-id='8f92235e' name='src_w' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2912' column='1'/>
+        <parameter type-id='8f92235e' name='src_h' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2912' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2913' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_wait_for_dependencies' mangled-name='drm_atomic_helper_wait_for_dependencies' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_dependencies'>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2193' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_wait_for_fences' mangled-name='drm_atomic_helper_wait_for_fences' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1448' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_fences'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1448' column='1'/>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1449' column='1'/>
+        <parameter type-id='b50a4934' name='pre_swap' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1450' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_wait_for_flip_done' mangled-name='drm_atomic_helper_wait_for_flip_done' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_flip_done'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1554' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1555' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_helper_wait_for_vblanks' mangled-name='drm_atomic_helper_wait_for_vblanks' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1495' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_vblanks'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1495' column='1'/>
+        <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1496' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_nonblocking_commit' mangled-name='drm_atomic_nonblocking_commit' filepath='drivers/gpu/drm/drm_atomic.c' line='1373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_nonblocking_commit'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1373' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_normalize_zpos' mangled-name='drm_atomic_normalize_zpos' filepath='drivers/gpu/drm/drm_blend.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_normalize_zpos'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_blend.c' line='504' column='1'/>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_blend.c' line='505' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_private_obj_fini' mangled-name='drm_atomic_private_obj_fini' filepath='drivers/gpu/drm/drm_atomic.c' line='757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_private_obj_fini'>
+        <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic.c' line='757' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_private_obj_init' mangled-name='drm_atomic_private_obj_init' filepath='drivers/gpu/drm/drm_atomic.c' line='735' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_private_obj_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic.c' line='735' column='1'/>
+        <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic.c' line='736' column='1'/>
+        <parameter type-id='4ea020ae' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='737' column='1'/>
+        <parameter type-id='515fa1af' name='funcs' filepath='drivers/gpu/drm/drm_atomic.c' line='738' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_set_crtc_for_connector' mangled-name='drm_atomic_set_crtc_for_connector' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_crtc_for_connector'>
+        <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='298' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='299' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_set_crtc_for_plane' mangled-name='drm_atomic_set_crtc_for_plane' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='179' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_crtc_for_plane'>
+        <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='179' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='180' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_set_fb_for_plane' mangled-name='drm_atomic_set_fb_for_plane' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_fb_for_plane'>
+        <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='229' column='1'/>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='230' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_atomic_set_mode_for_crtc' mangled-name='drm_atomic_set_mode_for_crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_mode_for_crtc'>
+        <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='64' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='65' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_set_mode_prop_for_crtc' mangled-name='drm_atomic_set_mode_prop_for_crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_mode_prop_for_crtc'>
+        <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='116' column='1'/>
+        <parameter type-id='c4126d52' name='blob' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='117' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_state_alloc' mangled-name='drm_atomic_state_alloc' filepath='drivers/gpu/drm/drm_atomic.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_state_alloc'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic.c' line='125' column='1'/>
+        <return type-id='e3dd029e'/>
+      </function-decl>
+      <function-decl name='drm_atomic_state_clear' mangled-name='drm_atomic_state_clear' filepath='drivers/gpu/drm/drm_atomic.c' line='244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_state_clear'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='244' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_bridge_add' mangled-name='drm_bridge_add' filepath='drivers/gpu/drm/drm_bridge.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_add'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='102' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_bridge_attach' mangled-name='drm_bridge_attach' filepath='drivers/gpu/drm/drm_bridge.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_attach'>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_bridge.c' line='175' column='1'/>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='175' column='1'/>
+        <parameter type-id='8582e5ec' name='previous' filepath='drivers/gpu/drm/drm_bridge.c' line='176' column='1'/>
+        <parameter type-id='6a662de1' name='flags' filepath='drivers/gpu/drm/drm_bridge.c' line='177' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_bridge_chain_mode_set' mangled-name='drm_bridge_chain_mode_set' filepath='drivers/gpu/drm/drm_bridge.c' line='485' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_chain_mode_set'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='485' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_bridge.c' line='486' column='1'/>
+        <parameter type-id='745b39e8' name='adjusted_mode' filepath='drivers/gpu/drm/drm_bridge.c' line='487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_bridge_connector_enable_hpd' mangled-name='drm_bridge_connector_enable_hpd' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_connector_enable_hpd'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='138' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_bridge_connector_init' mangled-name='drm_bridge_connector_init' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_connector_init'>
+        <parameter type-id='8898134d' name='drm' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='313' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='314' column='1'/>
+        <return type-id='4db02c58'/>
+      </function-decl>
+      <function-decl name='drm_bridge_detect' mangled-name='drm_bridge_detect' filepath='drivers/gpu/drm/drm_bridge.c' line='1054' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_detect'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='1054' column='1'/>
+        <return type-id='f7b0e1b4'/>
+      </function-decl>
+      <function-decl name='drm_bridge_get_edid' mangled-name='drm_bridge_get_edid' filepath='drivers/gpu/drm/drm_bridge.c' line='1099' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_get_edid'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='1099' column='1'/>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_bridge.c' line='1100' column='1'/>
+        <return type-id='c91d1bf1'/>
+      </function-decl>
+      <function-decl name='drm_bridge_get_modes' mangled-name='drm_bridge_get_modes' filepath='drivers/gpu/drm/drm_bridge.c' line='1077' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_get_modes'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='1077' column='1'/>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_bridge.c' line='1078' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_bridge_hpd_notify' mangled-name='drm_bridge_hpd_notify' filepath='drivers/gpu/drm/drm_bridge.c' line='1189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_hpd_notify'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='1189' column='1'/>
+        <parameter type-id='f7b0e1b4' name='status' filepath='drivers/gpu/drm/drm_bridge.c' line='1190' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_bridge_remove' mangled-name='drm_bridge_remove' filepath='drivers/gpu/drm/drm_bridge.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_remove'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='117' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_bus_flags_from_videomode' mangled-name='drm_bus_flags_from_videomode' filepath='drivers/gpu/drm/drm_modes.c' line='673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bus_flags_from_videomode'>
+        <parameter type-id='8640fd9e' name='vm' filepath='drivers/gpu/drm/drm_modes.c' line='673' column='1'/>
+        <parameter type-id='f9409001' name='bus_flags' filepath='drivers/gpu/drm/drm_modes.c' line='673' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_compat_ioctl' mangled-name='drm_compat_ioctl' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_compat_ioctl'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1'/>
+        <parameter type-id='7359adad' name='arg' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='drm_connector_attach_content_protection_property' mangled-name='drm_connector_attach_content_protection_property' filepath='drivers/gpu/drm/drm_hdcp.c' line='357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_content_protection_property'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_hdcp.c' line='358' column='1'/>
+        <parameter type-id='b50a4934' name='hdcp_content_type' filepath='drivers/gpu/drm/drm_hdcp.c' line='358' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_connector_attach_edid_property' mangled-name='drm_connector_attach_edid_property' filepath='drivers/gpu/drm/drm_connector.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_edid_property'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='367' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_connector_attach_encoder' mangled-name='drm_connector_attach_encoder' filepath='drivers/gpu/drm/drm_connector.c' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_encoder'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='389' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_connector.c' line='390' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_connector_attach_max_bpc_property' mangled-name='drm_connector_attach_max_bpc_property' filepath='drivers/gpu/drm/drm_connector.c' line='2126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_max_bpc_property'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='2126' column='1'/>
+        <parameter type-id='95e97e5e' name='min' filepath='drivers/gpu/drm/drm_connector.c' line='2127' column='1'/>
+        <parameter type-id='95e97e5e' name='max' filepath='drivers/gpu/drm/drm_connector.c' line='2127' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_connector_cleanup' mangled-name='drm_connector_cleanup' filepath='drivers/gpu/drm/drm_connector.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_cleanup'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='441' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_connector_has_possible_encoder' mangled-name='drm_connector_has_possible_encoder' filepath='drivers/gpu/drm/drm_connector.c' line='421' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_has_possible_encoder'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='421' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_connector.c' line='422' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_connector_init' mangled-name='drm_connector_init' filepath='drivers/gpu/drm/drm_connector.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='217' column='1'/>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='218' column='1'/>
+        <parameter type-id='3fb29739' name='funcs' filepath='drivers/gpu/drm/drm_connector.c' line='219' column='1'/>
+        <parameter type-id='95e97e5e' name='connector_type' filepath='drivers/gpu/drm/drm_connector.c' line='220' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_connector_init_with_ddc' mangled-name='drm_connector_init_with_ddc' filepath='drivers/gpu/drm/drm_connector.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_init_with_ddc'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='340' column='1'/>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='341' column='1'/>
+        <parameter type-id='3fb29739' name='funcs' filepath='drivers/gpu/drm/drm_connector.c' line='342' column='1'/>
+        <parameter type-id='95e97e5e' name='connector_type' filepath='drivers/gpu/drm/drm_connector.c' line='343' column='1'/>
+        <parameter type-id='b9af02c3' name='ddc' filepath='drivers/gpu/drm/drm_connector.c' line='344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_connector_list_iter_begin' mangled-name='drm_connector_list_iter_begin' filepath='drivers/gpu/drm/drm_connector.c' line='660' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_iter_begin'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='660' column='1'/>
+        <parameter type-id='40a902ec' name='iter' filepath='drivers/gpu/drm/drm_connector.c' line='661' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_connector_list_iter_end' mangled-name='drm_connector_list_iter_end' filepath='drivers/gpu/drm/drm_connector.c' line='735' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_iter_end'>
+        <parameter type-id='40a902ec' name='iter' filepath='drivers/gpu/drm/drm_connector.c' line='735' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_connector_list_iter_next' mangled-name='drm_connector_list_iter_next' filepath='drivers/gpu/drm/drm_connector.c' line='696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_iter_next'>
+        <parameter type-id='40a902ec' name='iter' filepath='drivers/gpu/drm/drm_connector.c' line='696' column='1'/>
+        <return type-id='4db02c58'/>
+      </function-decl>
+      <function-decl name='drm_connector_list_update' mangled-name='drm_connector_list_update' filepath='drivers/gpu/drm/drm_modes.c' line='1339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_update'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_modes.c' line='1339' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_connector_register' mangled-name='drm_connector_register' filepath='drivers/gpu/drm/drm_connector.c' line='505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_register'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='505' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_connector_set_panel_orientation' mangled-name='drm_connector_set_panel_orientation' filepath='drivers/gpu/drm/drm_connector.c' line='2188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_set_panel_orientation'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='2189' column='1'/>
+        <parameter type-id='59f3d325' name='panel_orientation' filepath='drivers/gpu/drm/drm_connector.c' line='2190' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_connector_unregister' mangled-name='drm_connector_unregister' filepath='drivers/gpu/drm/drm_connector.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_unregister'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='555' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_connector_update_edid_property' mangled-name='drm_connector_update_edid_property' filepath='drivers/gpu/drm/drm_connector.c' line='2025' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_update_edid_property'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='2025' column='1'/>
+        <parameter type-id='776adf76' name='edid' filepath='drivers/gpu/drm/drm_connector.c' line='2026' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_crtc_arm_vblank_event' mangled-name='drm_crtc_arm_vblank_event' filepath='drivers/gpu/drm/drm_vblank.c' line='1051' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_arm_vblank_event'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1051' column='1'/>
+        <parameter type-id='6301fad2' name='e' filepath='drivers/gpu/drm/drm_vblank.c' line='1052' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_cleanup' mangled-name='drm_crtc_cleanup' filepath='drivers/gpu/drm/drm_crtc.c' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_cleanup'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_crtc.c' line='343' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_enable_color_mgmt' mangled-name='drm_crtc_enable_color_mgmt' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_enable_color_mgmt'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='163' column='1'/>
+        <parameter type-id='6e160b14' name='degamma_lut_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='164' column='1'/>
+        <parameter type-id='b50a4934' name='has_ctm' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='165' column='1'/>
+        <parameter type-id='6e160b14' name='gamma_lut_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='166' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_from_index' mangled-name='drm_crtc_from_index' filepath='drivers/gpu/drm/drm_crtc.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_from_index'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_crtc.c' line='84' column='1'/>
+        <parameter type-id='95e97e5e' name='idx' filepath='drivers/gpu/drm/drm_crtc.c' line='84' column='1'/>
+        <return type-id='b64ad7cb'/>
+      </function-decl>
+      <function-decl name='drm_crtc_handle_vblank' mangled-name='drm_crtc_handle_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='1993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_handle_vblank'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1993' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_crtc_init_with_planes' mangled-name='drm_crtc_init_with_planes' filepath='drivers/gpu/drm/drm_crtc.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_init_with_planes'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_crtc.c' line='253' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_crtc.c' line='253' column='1'/>
+        <parameter type-id='a6711537' name='primary' filepath='drivers/gpu/drm/drm_crtc.c' line='254' column='1'/>
+        <parameter type-id='a6711537' name='cursor' filepath='drivers/gpu/drm/drm_crtc.c' line='255' column='1'/>
+        <parameter type-id='7236c5c8' name='funcs' filepath='drivers/gpu/drm/drm_crtc.c' line='256' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_crtc.c' line='257' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_crtc_send_vblank_event' mangled-name='drm_crtc_send_vblank_event' filepath='drivers/gpu/drm/drm_vblank.c' line='1076' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_send_vblank_event'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1076' column='1'/>
+        <parameter type-id='6301fad2' name='e' filepath='drivers/gpu/drm/drm_vblank.c' line='1077' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_set_max_vblank_count' mangled-name='drm_crtc_set_max_vblank_count' filepath='drivers/gpu/drm/drm_vblank.c' line='1409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_set_max_vblank_count'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1409' column='1'/>
+        <parameter type-id='19c2251e' name='max_vblank_count' filepath='drivers/gpu/drm/drm_vblank.c' line='1410' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_vblank_count' mangled-name='drm_crtc_vblank_count' filepath='drivers/gpu/drm/drm_vblank.c' line='909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_count'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='909' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='drm_crtc_vblank_count_and_time' mangled-name='drm_crtc_vblank_count_and_time' filepath='drivers/gpu/drm/drm_vblank.c' line='969' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_count_and_time'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='969' column='1'/>
+        <parameter type-id='44372936' name='vblanktime' filepath='drivers/gpu/drm/drm_vblank.c' line='970' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='drm_crtc_vblank_get' mangled-name='drm_crtc_vblank_get' filepath='drivers/gpu/drm/drm_vblank.c' line='1188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_get'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1188' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_crtc_vblank_helper_get_vblank_timestamp' mangled-name='drm_crtc_vblank_helper_get_vblank_timestamp' filepath='drivers/gpu/drm/drm_vblank.c' line='829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_helper_get_vblank_timestamp'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='829' column='1'/>
+        <parameter type-id='7292109c' name='max_error' filepath='drivers/gpu/drm/drm_vblank.c' line='830' column='1'/>
+        <parameter type-id='44372936' name='vblank_time' filepath='drivers/gpu/drm/drm_vblank.c' line='831' column='1'/>
+        <parameter type-id='b50a4934' name='in_vblank_irq' filepath='drivers/gpu/drm/drm_vblank.c' line='832' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_crtc_vblank_off' mangled-name='drm_crtc_vblank_off' filepath='drivers/gpu/drm/drm_vblank.c' line='1291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_off'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1291' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_vblank_on' mangled-name='drm_crtc_vblank_on' filepath='drivers/gpu/drm/drm_vblank.c' line='1433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_on'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1433' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_vblank_put' mangled-name='drm_crtc_vblank_put' filepath='drivers/gpu/drm/drm_vblank.c' line='1223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_put'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1223' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_crtc_wait_one_vblank' mangled-name='drm_crtc_wait_one_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='1274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_wait_one_vblank'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1274' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_cvt_mode' mangled-name='drm_cvt_mode' filepath='drivers/gpu/drm/drm_modes.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_cvt_mode'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='140' column='1'/>
+        <parameter type-id='95e97e5e' name='hdisplay' filepath='drivers/gpu/drm/drm_modes.c' line='140' column='1'/>
+        <parameter type-id='95e97e5e' name='vdisplay' filepath='drivers/gpu/drm/drm_modes.c' line='141' column='1'/>
+        <parameter type-id='95e97e5e' name='vrefresh' filepath='drivers/gpu/drm/drm_modes.c' line='141' column='1'/>
+        <parameter type-id='b50a4934' name='reduced' filepath='drivers/gpu/drm/drm_modes.c' line='142' column='1'/>
+        <parameter type-id='b50a4934' name='interlaced' filepath='drivers/gpu/drm/drm_modes.c' line='142' column='1'/>
+        <parameter type-id='b50a4934' name='margins' filepath='drivers/gpu/drm/drm_modes.c' line='142' column='1'/>
+        <return type-id='11e02f83'/>
+      </function-decl>
+      <function-decl name='drm_debugfs_create_files' mangled-name='drm_debugfs_create_files' filepath='drivers/gpu/drm/drm_debugfs.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_debugfs_create_files'>
+        <parameter type-id='09894807' name='files' filepath='drivers/gpu/drm/drm_debugfs.c' line='176' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/gpu/drm/drm_debugfs.c' line='176' column='1'/>
+        <parameter type-id='27675065' name='root' filepath='drivers/gpu/drm/drm_debugfs.c' line='177' column='1'/>
+        <parameter type-id='6c3b3f8e' name='minor' filepath='drivers/gpu/drm/drm_debugfs.c' line='177' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_default_rgb_quant_range' mangled-name='drm_default_rgb_quant_range' filepath='drivers/gpu/drm/drm_edid.c' line='4860' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_default_rgb_quant_range'>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='4860' column='1'/>
+        <return type-id='5c444b2c'/>
+      </function-decl>
+      <function-decl name='drm_detect_hdmi_monitor' mangled-name='drm_detect_hdmi_monitor' filepath='drivers/gpu/drm/drm_edid.c' line='4775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_detect_hdmi_monitor'>
+        <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='4775' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_detect_monitor_audio' mangled-name='drm_detect_monitor_audio' filepath='drivers/gpu/drm/drm_edid.c' line='4813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_detect_monitor_audio'>
+        <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='4813' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_dev_alloc' mangled-name='drm_dev_alloc' filepath='drivers/gpu/drm/drm_drv.c' line='719' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_alloc'>
+        <parameter type-id='1d52bc4d' name='driver' filepath='drivers/gpu/drm/drm_drv.c' line='719' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/gpu/drm/drm_drv.c' line='720' column='1'/>
+        <return type-id='8898134d'/>
+      </function-decl>
+      <function-decl name='drm_dev_dbg' mangled-name='drm_dev_dbg' filepath='drivers/gpu/drm/drm_print.c' line='259' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_dbg'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/gpu/drm/drm_print.c' line='259' column='1'/>
+        <parameter type-id='189697ba' name='category' filepath='drivers/gpu/drm/drm_print.c' line='259' column='1'/>
+        <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='260' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dev_enter' mangled-name='drm_dev_enter' filepath='drivers/gpu/drm/drm_drv.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_enter'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='424' column='1'/>
+        <parameter type-id='7292109c' name='idx' filepath='drivers/gpu/drm/drm_drv.c' line='424' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_dev_exit' mangled-name='drm_dev_exit' filepath='drivers/gpu/drm/drm_drv.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_exit'>
+        <parameter type-id='95e97e5e' name='idx' filepath='drivers/gpu/drm/drm_drv.c' line='444' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dev_get' mangled-name='drm_dev_get' filepath='drivers/gpu/drm/drm_drv.c' line='765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_get'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='765' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dev_has_vblank' mangled-name='drm_dev_has_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_has_vblank'>
+        <parameter type-id='1cfd747a' name='dev' filepath='drivers/gpu/drm/drm_vblank.c' line='570' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_dev_printk' mangled-name='drm_dev_printk' filepath='drivers/gpu/drm/drm_print.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_printk'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/gpu/drm/drm_print.c' line='238' column='1'/>
+        <parameter type-id='80f4b756' name='level' filepath='drivers/gpu/drm/drm_print.c' line='238' column='1'/>
+        <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='239' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dev_put' mangled-name='drm_dev_put' filepath='drivers/gpu/drm/drm_drv.c' line='779' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_put'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='779' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dev_register' mangled-name='drm_dev_register' filepath='drivers/gpu/drm/drm_drv.c' line='862' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_register'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='862' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/gpu/drm/drm_drv.c' line='862' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dev_set_unique' mangled-name='drm_dev_set_unique' filepath='drivers/gpu/drm/drm_drv.c' line='970' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_set_unique'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='970' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_drv.c' line='970' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dev_unplug' mangled-name='drm_dev_unplug' filepath='drivers/gpu/drm/drm_drv.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_unplug'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='460' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dev_unregister' mangled-name='drm_dev_unregister' filepath='drivers/gpu/drm/drm_drv.c' line='933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_unregister'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='933' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_display_info_set_bus_formats' mangled-name='drm_display_info_set_bus_formats' filepath='drivers/gpu/drm/drm_connector.c' line='795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_display_info_set_bus_formats'>
+        <parameter type-id='939a8d9a' name='info' filepath='drivers/gpu/drm/drm_connector.c' line='795' column='1'/>
+        <parameter type-id='aded214c' name='formats' filepath='drivers/gpu/drm/drm_connector.c' line='796' column='1'/>
+        <parameter type-id='f0981eeb' name='num_formats' filepath='drivers/gpu/drm/drm_connector.c' line='797' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_display_mode_from_videomode' mangled-name='drm_display_mode_from_videomode' filepath='drivers/gpu/drm/drm_modes.c' line='588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_display_mode_from_videomode'>
+        <parameter type-id='8640fd9e' name='vm' filepath='drivers/gpu/drm/drm_modes.c' line='588' column='1'/>
+        <parameter type-id='11e02f83' name='dmode' filepath='drivers/gpu/drm/drm_modes.c' line='589' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_display_mode_to_videomode' mangled-name='drm_display_mode_to_videomode' filepath='drivers/gpu/drm/drm_modes.c' line='629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_display_mode_to_videomode'>
+        <parameter type-id='745b39e8' name='dmode' filepath='drivers/gpu/drm/drm_modes.c' line='629' column='1'/>
+        <parameter type-id='83e7c23f' name='vm' filepath='drivers/gpu/drm/drm_modes.c' line='630' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_do_get_edid' mangled-name='drm_do_get_edid' filepath='drivers/gpu/drm/drm_edid.c' line='1938' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_do_get_edid'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='1938' column='1'/>
+        <parameter type-id='e879a339' name='get_edid_block' filepath='drivers/gpu/drm/drm_edid.c' line='1939' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_edid.c' line='1941' column='1'/>
+        <return type-id='c91d1bf1'/>
+      </function-decl>
+      <function-decl name='drm_dp_aux_register' mangled-name='drm_dp_aux_register' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_aux_register'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1664' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_aux_unregister' mangled-name='drm_dp_aux_unregister' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_aux_unregister'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1696' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dp_bw_code_to_link_rate' mangled-name='drm_dp_bw_code_to_link_rate' filepath='drivers/gpu/drm/drm_dp_helper.c' line='178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_bw_code_to_link_rate'>
+        <parameter type-id='f9b06939' name='link_bw' filepath='drivers/gpu/drm/drm_dp_helper.c' line='178' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_channel_eq_ok' mangled-name='drm_dp_channel_eq_ok' filepath='drivers/gpu/drm/drm_dp_helper.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_channel_eq_ok'>
+        <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='64' column='1'/>
+        <parameter type-id='95e97e5e' name='lane_count' filepath='drivers/gpu/drm/drm_dp_helper.c' line='65' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_dp_clock_recovery_ok' mangled-name='drm_dp_clock_recovery_ok' filepath='drivers/gpu/drm/drm_dp_helper.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_clock_recovery_ok'>
+        <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='84' column='1'/>
+        <parameter type-id='95e97e5e' name='lane_count' filepath='drivers/gpu/drm/drm_dp_helper.c' line='85' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_dp_dpcd_read' mangled-name='drm_dp_dpcd_read' filepath='drivers/gpu/drm/drm_dp_helper.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dpcd_read'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='284' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpu/drm/drm_dp_helper.c' line='284' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_dp_helper.c' line='285' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_dp_helper.c' line='285' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='drm_dp_dpcd_read_link_status' mangled-name='drm_dp_dpcd_read_link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dpcd_read_link_status'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='358' column='1'/>
+        <parameter type-id='8bff8096' name='status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='359' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_dpcd_write' mangled-name='drm_dp_dpcd_write' filepath='drivers/gpu/drm/drm_dp_helper.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dpcd_write'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='334' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpu/drm/drm_dp_helper.c' line='334' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_dp_helper.c' line='335' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_dp_helper.c' line='335' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='drm_dp_get_adjust_request_pre_emphasis' mangled-name='drm_dp_get_adjust_request_pre_emphasis' filepath='drivers/gpu/drm/drm_dp_helper.c' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_get_adjust_request_pre_emphasis'>
+        <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='112' column='1'/>
+        <parameter type-id='95e97e5e' name='lane' filepath='drivers/gpu/drm/drm_dp_helper.c' line='113' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='drm_dp_get_adjust_request_voltage' mangled-name='drm_dp_get_adjust_request_voltage' filepath='drivers/gpu/drm/drm_dp_helper.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_get_adjust_request_voltage'>
+        <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='99' column='1'/>
+        <parameter type-id='95e97e5e' name='lane' filepath='drivers/gpu/drm/drm_dp_helper.c' line='100' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='drm_dp_get_edid_quirks' mangled-name='drm_dp_get_edid_quirks' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_get_edid_quirks'>
+        <parameter type-id='776adf76' name='edid' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1912' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='drm_dp_get_phy_test_pattern' mangled-name='drm_dp_get_phy_test_pattern' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_get_phy_test_pattern'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2120' column='1'/>
+        <parameter type-id='b42b0bd7' name='data' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2121' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_link_rate_to_bw_code' mangled-name='drm_dp_link_rate_to_bw_code' filepath='drivers/gpu/drm/drm_dp_helper.c' line='171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_link_rate_to_bw_code'>
+        <parameter type-id='95e97e5e' name='link_rate' filepath='drivers/gpu/drm/drm_dp_helper.c' line='171' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='drm_dp_link_train_channel_eq_delay' mangled-name='drm_dp_link_train_channel_eq_delay' filepath='drivers/gpu/drm/drm_dp_helper.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_link_train_channel_eq_delay'>
+        <parameter type-id='bbaf3419' name='dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='153' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dp_link_train_clock_recovery_delay' mangled-name='drm_dp_link_train_clock_recovery_delay' filepath='drivers/gpu/drm/drm_dp_helper.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_link_train_clock_recovery_delay'>
+        <parameter type-id='bbaf3419' name='dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='135' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_dp_read_desc' mangled-name='drm_dp_read_desc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_read_desc'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1949' column='1'/>
+        <parameter type-id='d56af4ed' name='desc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1949' column='1'/>
+        <parameter type-id='b50a4934' name='is_branch' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1950' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_read_dpcd_caps' mangled-name='drm_dp_read_dpcd_caps' filepath='drivers/gpu/drm/drm_dp_helper.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_read_dpcd_caps'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='555' column='1'/>
+        <parameter type-id='8bff8096' name='dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='556' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_read_sink_count' mangled-name='drm_dp_read_sink_count' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_read_sink_count'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1150' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_set_phy_test_pattern' mangled-name='drm_dp_set_phy_test_pattern' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_set_phy_test_pattern'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2171' column='1'/>
+        <parameter type-id='b42b0bd7' name='data' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2172' column='1'/>
+        <parameter type-id='f9b06939' name='dp_rev' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2172' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_start_crc' mangled-name='drm_dp_start_crc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1743' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_start_crc'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1743' column='1'/>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1743' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dp_stop_crc' mangled-name='drm_dp_stop_crc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_stop_crc'>
+        <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1770' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_dsc_pps_payload_pack' mangled-name='drm_dsc_pps_payload_pack' filepath='drivers/gpu/drm/drm_dsc.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dsc_pps_payload_pack'>
+        <parameter type-id='fe3087c9' name='pps_payload' filepath='drivers/gpu/drm/drm_dsc.c' line='69' column='1'/>
+        <parameter type-id='fb7c1d0f' name='dsc_cfg' filepath='drivers/gpu/drm/drm_dsc.c' line='70' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_edid_block_valid' mangled-name='drm_edid_block_valid' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_block_valid'>
+        <parameter type-id='8bff8096' name='raw_edid' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1'/>
+        <parameter type-id='95e97e5e' name='block' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1'/>
+        <parameter type-id='b50a4934' name='print_bad_edid' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1'/>
+        <parameter type-id='d8e6b335' name='edid_corrupt' filepath='drivers/gpu/drm/drm_edid.c' line='1662' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_encoder_cleanup' mangled-name='drm_encoder_cleanup' filepath='drivers/gpu/drm/drm_encoder.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_encoder_cleanup'>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_encoder.c' line='161' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_encoder_init' mangled-name='drm_encoder_init' filepath='drivers/gpu/drm/drm_encoder.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_encoder_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_encoder.c' line='109' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_encoder.c' line='110' column='1'/>
+        <parameter type-id='1701f1ac' name='funcs' filepath='drivers/gpu/drm/drm_encoder.c' line='111' column='1'/>
+        <parameter type-id='95e97e5e' name='encoder_type' filepath='drivers/gpu/drm/drm_encoder.c' line='112' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_encoder.c' line='112' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_event_cancel_free' mangled-name='drm_event_cancel_free' filepath='drivers/gpu/drm/drm_file.c' line='759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_event_cancel_free'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='759' column='1'/>
+        <parameter type-id='16ab0351' name='p' filepath='drivers/gpu/drm/drm_file.c' line='760' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_event_reserve_init' mangled-name='drm_event_reserve_init' filepath='drivers/gpu/drm/drm_file.c' line='734' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_event_reserve_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='734' column='1'/>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_file.c' line='735' column='1'/>
+        <parameter type-id='16ab0351' name='p' filepath='drivers/gpu/drm/drm_file.c' line='736' column='1'/>
+        <parameter type-id='5b35aab5' name='e' filepath='drivers/gpu/drm/drm_file.c' line='737' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_event_reserve_init_locked' mangled-name='drm_event_reserve_init_locked' filepath='drivers/gpu/drm/drm_file.c' line='692' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_event_reserve_init_locked'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='692' column='1'/>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_file.c' line='693' column='1'/>
+        <parameter type-id='16ab0351' name='p' filepath='drivers/gpu/drm/drm_file.c' line='694' column='1'/>
+        <parameter type-id='5b35aab5' name='e' filepath='drivers/gpu/drm/drm_file.c' line='695' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_fb_cma_get_gem_obj' mangled-name='drm_fb_cma_get_gem_obj' filepath='drivers/gpu/drm/drm_fb_cma_helper.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_fb_cma_get_gem_obj'>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_fb_cma_helper.c' line='39' column='1'/>
+        <parameter type-id='f0981eeb' name='plane' filepath='drivers/gpu/drm/drm_fb_cma_helper.c' line='40' column='1'/>
+        <return type-id='faa9576a'/>
+      </function-decl>
+      <function-decl name='drm_flip_work_cleanup' mangled-name='drm_flip_work_cleanup' filepath='drivers/gpu/drm/drm_flip_work.c' line='166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_cleanup'>
+        <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='166' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_flip_work_commit' mangled-name='drm_flip_work_commit' filepath='drivers/gpu/drm/drm_flip_work.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_commit'>
+        <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='101' column='1'/>
+        <parameter type-id='242e3d19' name='wq' filepath='drivers/gpu/drm/drm_flip_work.c' line='102' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_flip_work_init' mangled-name='drm_flip_work_init' filepath='drivers/gpu/drm/drm_flip_work.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_init'>
+        <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='147' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_flip_work.c' line='148' column='1'/>
+        <parameter type-id='12758247' name='func' filepath='drivers/gpu/drm/drm_flip_work.c' line='148' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_flip_work_queue' mangled-name='drm_flip_work_queue' filepath='drivers/gpu/drm/drm_flip_work.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_queue'>
+        <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='76' column='1'/>
+        <parameter type-id='eaa32e2f' name='val' filepath='drivers/gpu/drm/drm_flip_work.c' line='76' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_format_info' mangled-name='drm_format_info' filepath='drivers/gpu/drm/drm_fourcc.c' line='319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_format_info'>
+        <parameter type-id='19c2251e' name='format' filepath='drivers/gpu/drm/drm_fourcc.c' line='319' column='1'/>
+        <return type-id='f10b2208'/>
+      </function-decl>
+      <function-decl name='drm_format_info_min_pitch' mangled-name='drm_format_info_min_pitch' filepath='drivers/gpu/drm/drm_fourcc.c' line='404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_format_info_min_pitch'>
+        <parameter type-id='f10b2208' name='info' filepath='drivers/gpu/drm/drm_fourcc.c' line='404' column='1'/>
+        <parameter type-id='95e97e5e' name='plane' filepath='drivers/gpu/drm/drm_fourcc.c' line='405' column='1'/>
+        <parameter type-id='f0981eeb' name='buffer_width' filepath='drivers/gpu/drm/drm_fourcc.c' line='405' column='1'/>
+        <return type-id='9c313c2d'/>
+      </function-decl>
+      <function-decl name='drm_framebuffer_cleanup' mangled-name='drm_framebuffer_cleanup' filepath='drivers/gpu/drm/drm_framebuffer.c' line='942' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_framebuffer_cleanup'>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_framebuffer.c' line='942' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_framebuffer_init' mangled-name='drm_framebuffer_init' filepath='drivers/gpu/drm/drm_framebuffer.c' line='844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_framebuffer_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_framebuffer.c' line='844' column='1'/>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_framebuffer.c' line='844' column='1'/>
+        <parameter type-id='8e992c3d' name='funcs' filepath='drivers/gpu/drm/drm_framebuffer.c' line='845' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_dumb_create_internal' mangled-name='drm_gem_cma_dumb_create_internal' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_dumb_create_internal'>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='211' column='1'/>
+        <parameter type-id='8898134d' name='drm' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='212' column='1'/>
+        <parameter type-id='28cbbf40' name='args' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='213' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_free_object' mangled-name='drm_gem_cma_free_object' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_free_object'>
+        <parameter type-id='abd62a96' name='gem_obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='176' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_mmap' mangled-name='drm_gem_cma_mmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_mmap'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='308' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='308' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_prime_get_sg_table' mangled-name='drm_gem_cma_prime_get_sg_table' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_get_sg_table'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='427' column='1'/>
+        <return type-id='4adb0e6a'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_prime_import_sg_table' mangled-name='drm_gem_cma_prime_import_sg_table' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_import_sg_table'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='468' column='1'/>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='469' column='1'/>
+        <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='470' column='1'/>
+        <return type-id='abd62a96'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_prime_mmap' mangled-name='drm_gem_cma_prime_mmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_mmap'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='504' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='505' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_prime_vmap' mangled-name='drm_gem_cma_prime_vmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_vmap'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='533' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='drm_gem_cma_prime_vunmap' mangled-name='drm_gem_cma_prime_vunmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_vunmap'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='552' column='1'/>
+        <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='552' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='drm_gem_cma_vm_ops' type-id='92e9b57c' mangled-name='drm_gem_cma_vm_ops' visibility='default' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='263' column='1' elf-symbol-id='drm_gem_cma_vm_ops'/>
+      <function-decl name='drm_gem_create_mmap_offset' mangled-name='drm_gem_create_mmap_offset' filepath='drivers/gpu/drm/drm_gem.c' line='499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_create_mmap_offset'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='499' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_dmabuf_export' mangled-name='drm_gem_dmabuf_export' filepath='drivers/gpu/drm/drm_prime.c' line='244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_export'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='244' column='1'/>
+        <parameter type-id='3bc4f0bb' name='exp_info' filepath='drivers/gpu/drm/drm_prime.c' line='245' column='1'/>
+        <return type-id='5e4f599b'/>
+      </function-decl>
+      <function-decl name='drm_gem_dmabuf_get_uuid' mangled-name='drm_gem_dmabuf_get_uuid' filepath='drivers/gpu/drm/drm_prime.c' line='797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_get_uuid'>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='797' column='1'/>
+        <parameter type-id='f1397309' name='uuid' filepath='drivers/gpu/drm/drm_prime.c' line='797' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_dmabuf_mmap' mangled-name='drm_gem_dmabuf_mmap' filepath='drivers/gpu/drm/drm_prime.c' line='775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_mmap'>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='775' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_prime.c' line='775' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_dmabuf_release' mangled-name='drm_gem_dmabuf_release' filepath='drivers/gpu/drm/drm_prime.c' line='271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_release'>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='271' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_dmabuf_vmap' mangled-name='drm_gem_dmabuf_vmap' filepath='drivers/gpu/drm/drm_prime.c' line='676' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_vmap'>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='676' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='drm_gem_dmabuf_vunmap' mangled-name='drm_gem_dmabuf_vunmap' filepath='drivers/gpu/drm/drm_prime.c' line='697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_vunmap'>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='697' column='1'/>
+        <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/gpu/drm/drm_prime.c' line='697' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_dumb_destroy' mangled-name='drm_gem_dumb_destroy' filepath='drivers/gpu/drm/drm_gem.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dumb_destroy'>
+        <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem.c' line='334' column='1'/>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='335' column='1'/>
+        <parameter type-id='8f92235e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_dumb_map_offset' mangled-name='drm_gem_dumb_map_offset' filepath='drivers/gpu/drm/drm_gem.c' line='297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dumb_map_offset'>
+        <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem.c' line='297' column='1'/>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='297' column='1'/>
+        <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='298' column='1'/>
+        <parameter type-id='3df9fd28' name='offset' filepath='drivers/gpu/drm/drm_gem.c' line='298' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_fb_afbc_init' mangled-name='drm_gem_fb_afbc_init' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_afbc_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='412' column='1'/>
+        <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='413' column='1'/>
+        <parameter type-id='c599ec07' name='afbc_fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='414' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_fb_create' mangled-name='drm_gem_fb_create' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='264' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_create'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='264' column='1'/>
+        <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='264' column='1'/>
+        <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='265' column='1'/>
+        <return type-id='7b332e1c'/>
+      </function-decl>
+      <function-decl name='drm_gem_fb_create_handle' mangled-name='drm_gem_fb_create_handle' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_create_handle'>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='118' column='1'/>
+        <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='118' column='1'/>
+        <parameter type-id='807869d3' name='handle' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='119' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_fb_destroy' mangled-name='drm_gem_fb_destroy' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_destroy'>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='93' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_fb_get_obj' mangled-name='drm_gem_fb_get_obj' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_get_obj'>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='54' column='1'/>
+        <parameter type-id='f0981eeb' name='plane' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='55' column='1'/>
+        <return type-id='abd62a96'/>
+      </function-decl>
+      <function-decl name='drm_gem_fb_init_with_funcs' mangled-name='drm_gem_fb_init_with_funcs' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_init_with_funcs'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='147' column='1'/>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='148' column='1'/>
+        <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='149' column='1'/>
+        <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='150' column='1'/>
+        <parameter type-id='8e992c3d' name='funcs' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='151' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_fb_prepare_fb' mangled-name='drm_gem_fb_prepare_fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_prepare_fb'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='454' column='1'/>
+        <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='455' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_free_mmap_offset' mangled-name='drm_gem_free_mmap_offset' filepath='drivers/gpu/drm/drm_gem.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_free_mmap_offset'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='450' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_get_pages' mangled-name='drm_gem_get_pages' filepath='drivers/gpu/drm/drm_gem.c' line='541' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_get_pages'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='541' column='1'/>
+        <return type-id='9f93c9da'/>
+      </function-decl>
+      <function-decl name='drm_gem_handle_create' mangled-name='drm_gem_handle_create' filepath='drivers/gpu/drm/drm_gem.c' line='428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_handle_create'>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_gem.c' line='428' column='1'/>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='429' column='1'/>
+        <parameter type-id='f9409001' name='handlep' filepath='drivers/gpu/drm/drm_gem.c' line='430' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_handle_delete' mangled-name='drm_gem_handle_delete' filepath='drivers/gpu/drm/drm_gem.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_handle_delete'>
+        <parameter type-id='9e99ecc1' name='filp' filepath='drivers/gpu/drm/drm_gem.c' line='260' column='1'/>
+        <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='260' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_lock_reservations' mangled-name='drm_gem_lock_reservations' filepath='drivers/gpu/drm/drm_gem.c' line='1250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_lock_reservations'>
+        <parameter type-id='3e2545f4' name='objs' filepath='drivers/gpu/drm/drm_gem.c' line='1250' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/gpu/drm/drm_gem.c' line='1250' column='1'/>
+        <parameter type-id='c1d02a64' name='acquire_ctx' filepath='drivers/gpu/drm/drm_gem.c' line='1251' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_map_attach' mangled-name='drm_gem_map_attach' filepath='drivers/gpu/drm/drm_prime.c' line='580' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_map_attach'>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='580' column='1'/>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='581' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_map_detach' mangled-name='drm_gem_map_detach' filepath='drivers/gpu/drm/drm_prime.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_map_detach'>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='598' column='1'/>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='599' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_map_dma_buf' mangled-name='drm_gem_map_dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_map_dma_buf'>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='619' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='drivers/gpu/drm/drm_prime.c' line='620' column='1'/>
+        <return type-id='4adb0e6a'/>
+      </function-decl>
+      <function-decl name='drm_gem_mmap' mangled-name='drm_gem_mmap' filepath='drivers/gpu/drm/drm_gem.c' line='1116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_mmap'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_gem.c' line='1116' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1116' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_mmap_obj' mangled-name='drm_gem_mmap_obj' filepath='drivers/gpu/drm/drm_gem.c' line='1055' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_mmap_obj'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='1055' column='1'/>
+        <parameter type-id='7359adad' name='obj_size' filepath='drivers/gpu/drm/drm_gem.c' line='1055' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1056' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_object_free' mangled-name='drm_gem_object_free' filepath='drivers/gpu/drm/drm_gem.c' line='966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_free'>
+        <parameter type-id='aa29ecab' name='kref' filepath='drivers/gpu/drm/drm_gem.c' line='966' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_object_init' mangled-name='drm_gem_object_init' filepath='drivers/gpu/drm/drm_gem.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='123' column='1'/>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='124' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_gem.c' line='124' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_object_lookup' mangled-name='drm_gem_object_lookup' filepath='drivers/gpu/drm/drm_gem.c' line='740' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_lookup'>
+        <parameter type-id='9e99ecc1' name='filp' filepath='drivers/gpu/drm/drm_gem.c' line='740' column='1'/>
+        <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='740' column='1'/>
+        <return type-id='abd62a96'/>
+      </function-decl>
+      <function-decl name='drm_gem_object_put_locked' mangled-name='drm_gem_object_put_locked' filepath='drivers/gpu/drm/drm_gem.c' line='991' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_put_locked'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='991' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_object_release' mangled-name='drm_gem_object_release' filepath='drivers/gpu/drm/drm_gem.c' line='945' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_release'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='945' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_prime_export' mangled-name='drm_gem_prime_export' filepath='drivers/gpu/drm/drm_prime.c' line='901' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_export'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_prime.c' line='901' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='drivers/gpu/drm/drm_prime.c' line='902' column='1'/>
+        <return type-id='5e4f599b'/>
+      </function-decl>
+      <function-decl name='drm_gem_prime_fd_to_handle' mangled-name='drm_gem_prime_fd_to_handle' filepath='drivers/gpu/drm/drm_prime.c' line='297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_fd_to_handle'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='297' column='1'/>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_prime.c' line='298' column='1'/>
+        <parameter type-id='95e97e5e' name='prime_fd' filepath='drivers/gpu/drm/drm_prime.c' line='298' column='1'/>
+        <parameter type-id='90421557' name='handle' filepath='drivers/gpu/drm/drm_prime.c' line='299' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_prime_handle_to_fd' mangled-name='drm_gem_prime_handle_to_fd' filepath='drivers/gpu/drm/drm_prime.c' line='428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_handle_to_fd'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='428' column='1'/>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_prime.c' line='429' column='1'/>
+        <parameter type-id='8f92235e' name='handle' filepath='drivers/gpu/drm/drm_prime.c' line='429' column='1'/>
+        <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_prime.c' line='430' column='1'/>
+        <parameter type-id='7292109c' name='prime_fd' filepath='drivers/gpu/drm/drm_prime.c' line='431' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_prime_import' mangled-name='drm_gem_prime_import' filepath='drivers/gpu/drm/drm_prime.c' line='1003' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_import'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='1003' column='1'/>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='1004' column='1'/>
+        <return type-id='abd62a96'/>
+      </function-decl>
+      <function-decl name='drm_gem_prime_import_dev' mangled-name='drm_gem_prime_import_dev' filepath='drivers/gpu/drm/drm_prime.c' line='933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_import_dev'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='933' column='1'/>
+        <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='934' column='1'/>
+        <parameter type-id='fa0b179b' name='attach_dev' filepath='drivers/gpu/drm/drm_prime.c' line='935' column='1'/>
+        <return type-id='abd62a96'/>
+      </function-decl>
+      <function-decl name='drm_gem_prime_mmap' mangled-name='drm_gem_prime_mmap' filepath='drivers/gpu/drm/drm_prime.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_mmap'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_prime.c' line='717' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_prime.c' line='717' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_private_object_init' mangled-name='drm_gem_private_object_init' filepath='drivers/gpu/drm/drm_gem.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_private_object_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='150' column='1'/>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='151' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_gem.c' line='151' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_put_pages' mangled-name='drm_gem_put_pages' filepath='drivers/gpu/drm/drm_gem.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_put_pages'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='608' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='drivers/gpu/drm/drm_gem.c' line='608' column='1'/>
+        <parameter type-id='b50a4934' name='dirty' filepath='drivers/gpu/drm/drm_gem.c' line='609' column='1'/>
+        <parameter type-id='b50a4934' name='accessed' filepath='drivers/gpu/drm/drm_gem.c' line='609' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_create' mangled-name='drm_gem_shmem_create' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_create'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='105' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='105' column='1'/>
+        <return type-id='970cb2d9'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_free_object' mangled-name='drm_gem_shmem_free_object' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_free_object'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='119' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_get_sg_table' mangled-name='drm_gem_shmem_get_sg_table' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_get_sg_table'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='684' column='1'/>
+        <return type-id='4adb0e6a'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_mmap' mangled-name='drm_gem_shmem_mmap' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_mmap'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='611' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='611' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_pin' mangled-name='drm_gem_shmem_pin' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_pin'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='234' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_print_info' mangled-name='drm_gem_shmem_print_info' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='657' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_print_info'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='657' column='1'/>
+        <parameter type-id='f0981eeb' name='indent' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='657' column='1'/>
+        <parameter type-id='e8a41089' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='658' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_unpin' mangled-name='drm_gem_shmem_unpin' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_unpin'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='251' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_vmap' mangled-name='drm_gem_shmem_vmap' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_vmap'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='317' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='drm_gem_shmem_vunmap' mangled-name='drm_gem_shmem_vunmap' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_vunmap'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='365' column='1'/>
+        <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='365' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_unlock_reservations' mangled-name='drm_gem_unlock_reservations' filepath='drivers/gpu/drm/drm_gem.c' line='1302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_unlock_reservations'>
+        <parameter type-id='3e2545f4' name='objs' filepath='drivers/gpu/drm/drm_gem.c' line='1302' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/gpu/drm/drm_gem.c' line='1302' column='1'/>
+        <parameter type-id='c1d02a64' name='acquire_ctx' filepath='drivers/gpu/drm/drm_gem.c' line='1303' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_unmap_dma_buf' mangled-name='drm_gem_unmap_dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_unmap_dma_buf'>
+        <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='654' column='1'/>
+        <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_prime.c' line='655' column='1'/>
+        <parameter type-id='eea6b025' name='dir' filepath='drivers/gpu/drm/drm_prime.c' line='656' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_vm_close' mangled-name='drm_gem_vm_close' filepath='drivers/gpu/drm/drm_gem.c' line='1023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_vm_close'>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1023' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_gem_vm_open' mangled-name='drm_gem_vm_open' filepath='drivers/gpu/drm/drm_gem.c' line='1008' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_vm_open'>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1008' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_get_edid' mangled-name='drm_get_edid' filepath='drivers/gpu/drm/drm_edid.c' line='2056' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_edid'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='2056' column='1'/>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_edid.c' line='2057' column='1'/>
+        <return type-id='c91d1bf1'/>
+      </function-decl>
+      <function-decl name='drm_get_format_info' mangled-name='drm_get_format_info' filepath='drivers/gpu/drm/drm_fourcc.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_format_info'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_fourcc.c' line='339' column='1'/>
+        <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_fourcc.c' line='340' column='1'/>
+        <return type-id='f10b2208'/>
+      </function-decl>
+      <function-decl name='drm_get_format_name' mangled-name='drm_get_format_name' filepath='drivers/gpu/drm/drm_fourcc.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_format_name'>
+        <parameter type-id='8f92235e' name='format' filepath='drivers/gpu/drm/drm_fourcc.c' line='138' column='1'/>
+        <parameter type-id='d00fb93a' name='buf' filepath='drivers/gpu/drm/drm_fourcc.c' line='138' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='drm_handle_vblank' mangled-name='drm_handle_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='1919' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_handle_vblank'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_vblank.c' line='1919' column='1'/>
+        <parameter type-id='f0981eeb' name='pipe' filepath='drivers/gpu/drm/drm_vblank.c' line='1919' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_hdcp_update_content_protection' mangled-name='drm_hdcp_update_content_protection' filepath='drivers/gpu/drm/drm_hdcp.c' line='409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdcp_update_content_protection'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_hdcp.c' line='409' column='1'/>
+        <parameter type-id='91ce1af9' name='val' filepath='drivers/gpu/drm/drm_hdcp.c' line='410' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_hdmi_avi_infoframe_from_display_mode' mangled-name='drm_hdmi_avi_infoframe_from_display_mode' filepath='drivers/gpu/drm/drm_edid.c' line='5616' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_avi_infoframe_from_display_mode'>
+        <parameter type-id='19ddc3a6' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5616' column='1'/>
+        <parameter type-id='0e1f87e5' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5617' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='5618' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_hdmi_avi_infoframe_quant_range' mangled-name='drm_hdmi_avi_infoframe_quant_range' filepath='drivers/gpu/drm/drm_edid.c' line='5763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_avi_infoframe_quant_range'>
+        <parameter type-id='19ddc3a6' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5763' column='1'/>
+        <parameter type-id='0e1f87e5' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5764' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='5765' column='1'/>
+        <parameter type-id='5c444b2c' name='rgb_quant_range' filepath='drivers/gpu/drm/drm_edid.c' line='5766' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_hdmi_infoframe_set_hdr_metadata' mangled-name='drm_hdmi_infoframe_set_hdr_metadata' filepath='drivers/gpu/drm/drm_edid.c' line='5502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_infoframe_set_hdr_metadata'>
+        <parameter type-id='6ddb149f' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5502' column='1'/>
+        <parameter type-id='c9ecdb13' name='conn_state' filepath='drivers/gpu/drm/drm_edid.c' line='5503' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_hdmi_vendor_infoframe_from_display_mode' mangled-name='drm_hdmi_vendor_infoframe_from_display_mode' filepath='drivers/gpu/drm/drm_edid.c' line='5867' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_vendor_infoframe_from_display_mode'>
+        <parameter type-id='8ba5499a' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5867' column='1'/>
+        <parameter type-id='0e1f87e5' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5868' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='5869' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_helper_hpd_irq_event' mangled-name='drm_helper_hpd_irq_event' filepath='drivers/gpu/drm/drm_probe_helper.c' line='821' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_hpd_irq_event'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='821' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_helper_mode_fill_fb_struct' mangled-name='drm_helper_mode_fill_fb_struct' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_mode_fill_fb_struct'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='79' column='1'/>
+        <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='80' column='1'/>
+        <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='81' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_helper_probe_single_connector_modes' mangled-name='drm_helper_probe_single_connector_modes' filepath='drivers/gpu/drm/drm_probe_helper.c' line='416' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_probe_single_connector_modes'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_probe_helper.c' line='416' column='1'/>
+        <parameter type-id='8f92235e' name='maxX' filepath='drivers/gpu/drm/drm_probe_helper.c' line='417' column='1'/>
+        <parameter type-id='8f92235e' name='maxY' filepath='drivers/gpu/drm/drm_probe_helper.c' line='417' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_ioctl' mangled-name='drm_ioctl' filepath='drivers/gpu/drm/drm_ioctl.c' line='817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_ioctl'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_ioctl.c' line='817' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='drivers/gpu/drm/drm_ioctl.c' line='818' column='1'/>
+        <parameter type-id='7359adad' name='arg' filepath='drivers/gpu/drm/drm_ioctl.c' line='818' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='drm_irq_install' mangled-name='drm_irq_install' filepath='drivers/gpu/drm/drm_irq.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_irq_install'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_irq.c' line='106' column='1'/>
+        <parameter type-id='95e97e5e' name='irq' filepath='drivers/gpu/drm/drm_irq.c' line='106' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_irq_uninstall' mangled-name='drm_irq_uninstall' filepath='drivers/gpu/drm/drm_irq.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_irq_uninstall'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_irq.c' line='169' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_kms_helper_hotplug_event' mangled-name='drm_kms_helper_hotplug_event' filepath='drivers/gpu/drm/drm_probe_helper.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_hotplug_event'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='608' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_kms_helper_is_poll_worker' mangled-name='drm_kms_helper_is_poll_worker' filepath='drivers/gpu/drm/drm_probe_helper.c' line='726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_is_poll_worker'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_kms_helper_poll_enable' mangled-name='drm_kms_helper_poll_enable' filepath='drivers/gpu/drm/drm_probe_helper.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_poll_enable'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='242' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_kms_helper_poll_fini' mangled-name='drm_kms_helper_poll_fini' filepath='drivers/gpu/drm/drm_probe_helper.c' line='788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_poll_fini'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='788' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_kms_helper_poll_init' mangled-name='drm_kms_helper_poll_init' filepath='drivers/gpu/drm/drm_probe_helper.c' line='775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_poll_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='775' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_match_cea_mode' mangled-name='drm_match_cea_mode' filepath='drivers/gpu/drm/drm_edid.c' line='3457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_match_cea_mode'>
+        <parameter type-id='745b39e8' name='to_match' filepath='drivers/gpu/drm/drm_edid.c' line='3457' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='drm_mm_init' mangled-name='drm_mm_init' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_init'>
+        <parameter type-id='0ee978f1' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1'/>
+        <parameter type-id='91ce1af9' name='start' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1'/>
+        <parameter type-id='91ce1af9' name='size' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mm_insert_node_in_range' mangled-name='drm_mm_insert_node_in_range' filepath='drivers/gpu/drm/drm_mm.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_insert_node_in_range'>
+        <parameter type-id='60f31a4e' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='517' column='1'/>
+        <parameter type-id='7c50e73f' name='node' filepath='drivers/gpu/drm/drm_mm.c' line='518' column='1'/>
+        <parameter type-id='91ce1af9' name='size' filepath='drivers/gpu/drm/drm_mm.c' line='519' column='1'/>
+        <parameter type-id='91ce1af9' name='alignment' filepath='drivers/gpu/drm/drm_mm.c' line='519' column='1'/>
+        <parameter type-id='7359adad' name='color' filepath='drivers/gpu/drm/drm_mm.c' line='520' column='1'/>
+        <parameter type-id='91ce1af9' name='range_start' filepath='drivers/gpu/drm/drm_mm.c' line='521' column='1'/>
+        <parameter type-id='91ce1af9' name='range_end' filepath='drivers/gpu/drm/drm_mm.c' line='521' column='1'/>
+        <parameter type-id='24e1ec7e' name='mode' filepath='drivers/gpu/drm/drm_mm.c' line='522' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_mm_print' mangled-name='drm_mm_print' filepath='drivers/gpu/drm/drm_mm.c' line='1022' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_print'>
+        <parameter type-id='402c0a9e' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='1022' column='1'/>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_mm.c' line='1022' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mm_remove_node' mangled-name='drm_mm_remove_node' filepath='drivers/gpu/drm/drm_mm.c' line='630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_remove_node'>
+        <parameter type-id='6368b074' name='node' filepath='drivers/gpu/drm/drm_mm.c' line='630' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mm_reserve_node' mangled-name='drm_mm_reserve_node' filepath='drivers/gpu/drm/drm_mm.c' line='453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_reserve_node'>
+        <parameter type-id='0ee978f1' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='453' column='1'/>
+        <parameter type-id='6368b074' name='node' filepath='drivers/gpu/drm/drm_mm.c' line='453' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_mm_takedown' mangled-name='drm_mm_takedown' filepath='drivers/gpu/drm/drm_mm.c' line='996' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_takedown'>
+        <parameter type-id='0ee978f1' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='996' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_config_cleanup' mangled-name='drm_mode_config_cleanup' filepath='drivers/gpu/drm/drm_mode_config.c' line='483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_cleanup'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_config.c' line='483' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_config_helper_resume' mangled-name='drm_mode_config_helper_resume' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_helper_resume'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='231' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_mode_config_helper_suspend' mangled-name='drm_mode_config_helper_suspend' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_helper_suspend'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='195' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_mode_config_reset' mangled-name='drm_mode_config_reset' filepath='drivers/gpu/drm/drm_mode_config.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_reset'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_config.c' line='181' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_convert_to_umode' mangled-name='drm_mode_convert_to_umode' filepath='drivers/gpu/drm/drm_modes.c' line='1900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_convert_to_umode'>
+        <parameter type-id='1bd40de0' name='out' filepath='drivers/gpu/drm/drm_modes.c' line='1900' column='1'/>
+        <parameter type-id='745b39e8' name='in' filepath='drivers/gpu/drm/drm_modes.c' line='1901' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_copy' mangled-name='drm_mode_copy' filepath='drivers/gpu/drm/drm_modes.c' line='886' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_copy'>
+        <parameter type-id='11e02f83' name='dst' filepath='drivers/gpu/drm/drm_modes.c' line='886' column='1'/>
+        <parameter type-id='745b39e8' name='src' filepath='drivers/gpu/drm/drm_modes.c' line='886' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_create' mangled-name='drm_mode_create' filepath='drivers/gpu/drm/drm_modes.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='70' column='1'/>
+        <return type-id='11e02f83'/>
+      </function-decl>
+      <function-decl name='drm_mode_create_hdmi_colorspace_property' mangled-name='drm_mode_create_hdmi_colorspace_property' filepath='drivers/gpu/drm/drm_connector.c' line='1838' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create_hdmi_colorspace_property'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='1838' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_mode_create_tv_properties' mangled-name='drm_mode_create_tv_properties' filepath='drivers/gpu/drm/drm_connector.c' line='1507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create_tv_properties'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='1507' column='1'/>
+        <parameter type-id='f0981eeb' name='num_modes' filepath='drivers/gpu/drm/drm_connector.c' line='1508' column='1'/>
+        <parameter type-id='13956559' name='modes' filepath='drivers/gpu/drm/drm_connector.c' line='1509' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_mode_crtc_set_gamma_size' mangled-name='drm_mode_crtc_set_gamma_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_crtc_set_gamma_size'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='205' column='1'/>
+        <parameter type-id='95e97e5e' name='gamma_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='206' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_mode_debug_printmodeline' mangled-name='drm_mode_debug_printmodeline' filepath='drivers/gpu/drm/drm_modes.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_debug_printmodeline'>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='54' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_destroy' mangled-name='drm_mode_destroy' filepath='drivers/gpu/drm/drm_modes.c' line='89' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_destroy'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='89' column='1'/>
+        <parameter type-id='11e02f83' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='89' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_duplicate' mangled-name='drm_mode_duplicate' filepath='drivers/gpu/drm/drm_modes.c' line='906' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_duplicate'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='906' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='907' column='1'/>
+        <return type-id='11e02f83'/>
+      </function-decl>
+      <function-decl name='drm_mode_equal' mangled-name='drm_mode_equal' filepath='drivers/gpu/drm/drm_modes.c' line='1024' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_equal'>
+        <parameter type-id='745b39e8' name='mode1' filepath='drivers/gpu/drm/drm_modes.c' line='1024' column='1'/>
+        <parameter type-id='745b39e8' name='mode2' filepath='drivers/gpu/drm/drm_modes.c' line='1025' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_mode_equal_no_clocks' mangled-name='drm_mode_equal_no_clocks' filepath='drivers/gpu/drm/drm_modes.c' line='1047' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_equal_no_clocks'>
+        <parameter type-id='745b39e8' name='mode1' filepath='drivers/gpu/drm/drm_modes.c' line='1047' column='1'/>
+        <parameter type-id='745b39e8' name='mode2' filepath='drivers/gpu/drm/drm_modes.c' line='1048' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_mode_is_420' mangled-name='drm_mode_is_420' filepath='drivers/gpu/drm/drm_modes.c' line='2072' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_is_420'>
+        <parameter type-id='f3b1f9bd' name='display' filepath='drivers/gpu/drm/drm_modes.c' line='2072' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='2073' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_mode_is_420_also' mangled-name='drm_mode_is_420_also' filepath='drivers/gpu/drm/drm_modes.c' line='2053' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_is_420_also'>
+        <parameter type-id='f3b1f9bd' name='display' filepath='drivers/gpu/drm/drm_modes.c' line='2053' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='2054' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_mode_is_420_only' mangled-name='drm_mode_is_420_only' filepath='drivers/gpu/drm/drm_modes.c' line='2033' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_is_420_only'>
+        <parameter type-id='f3b1f9bd' name='display' filepath='drivers/gpu/drm/drm_modes.c' line='2033' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='2034' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_mode_object_find' mangled-name='drm_mode_object_find' filepath='drivers/gpu/drm/drm_mode_object.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_object_find'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_object.c' line='173' column='1'/>
+        <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_mode_object.c' line='174' column='1'/>
+        <parameter type-id='8f92235e' name='id' filepath='drivers/gpu/drm/drm_mode_object.c' line='175' column='1'/>
+        <parameter type-id='8f92235e' name='type' filepath='drivers/gpu/drm/drm_mode_object.c' line='175' column='1'/>
+        <return type-id='c5417630'/>
+      </function-decl>
+      <function-decl name='drm_mode_object_get' mangled-name='drm_mode_object_get' filepath='drivers/gpu/drm/drm_mode_object.c' line='209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_object_get'>
+        <parameter type-id='c5417630' name='obj' filepath='drivers/gpu/drm/drm_mode_object.c' line='209' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_object_put' mangled-name='drm_mode_object_put' filepath='drivers/gpu/drm/drm_mode_object.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_object_put'>
+        <parameter type-id='c5417630' name='obj' filepath='drivers/gpu/drm/drm_mode_object.c' line='192' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_parse_command_line_for_connector' mangled-name='drm_mode_parse_command_line_for_connector' filepath='drivers/gpu/drm/drm_modes.c' line='1714' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_parse_command_line_for_connector'>
+        <parameter type-id='80f4b756' name='mode_option' filepath='drivers/gpu/drm/drm_modes.c' line='1714' column='1'/>
+        <parameter type-id='0e1f87e5' name='connector' filepath='drivers/gpu/drm/drm_modes.c' line='1715' column='1'/>
+        <parameter type-id='20e1573b' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='1716' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_mode_probed_add' mangled-name='drm_mode_probed_add' filepath='drivers/gpu/drm/drm_modes.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_probed_add'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_modes.c' line='107' column='1'/>
+        <parameter type-id='11e02f83' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='108' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_prune_invalid' mangled-name='drm_mode_prune_invalid' filepath='drivers/gpu/drm/drm_modes.c' line='1260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_prune_invalid'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='1260' column='1'/>
+        <parameter type-id='e84b031a' name='mode_list' filepath='drivers/gpu/drm/drm_modes.c' line='1261' column='1'/>
+        <parameter type-id='b50a4934' name='verbose' filepath='drivers/gpu/drm/drm_modes.c' line='1261' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_set_crtcinfo' mangled-name='drm_mode_set_crtcinfo' filepath='drivers/gpu/drm/drm_modes.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_set_crtcinfo'>
+        <parameter type-id='11e02f83' name='p' filepath='drivers/gpu/drm/drm_modes.c' line='814' column='1'/>
+        <parameter type-id='95e97e5e' name='adjust_flags' filepath='drivers/gpu/drm/drm_modes.c' line='814' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_set_name' mangled-name='drm_mode_set_name' filepath='drivers/gpu/drm/drm_modes.c' line='740' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_set_name'>
+        <parameter type-id='11e02f83' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='740' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_sort' mangled-name='drm_mode_sort' filepath='drivers/gpu/drm/drm_modes.c' line='1322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_sort'>
+        <parameter type-id='e84b031a' name='mode_list' filepath='drivers/gpu/drm/drm_modes.c' line='1322' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_mode_validate_driver' mangled-name='drm_mode_validate_driver' filepath='drivers/gpu/drm/drm_modes.c' line='1120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_validate_driver'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='1120' column='1'/>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='1121' column='1'/>
+        <return type-id='4fb62cb0'/>
+      </function-decl>
+      <function-decl name='drm_mode_validate_size' mangled-name='drm_mode_validate_size' filepath='drivers/gpu/drm/drm_modes.c' line='1151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_validate_size'>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='1151' column='1'/>
+        <parameter type-id='95e97e5e' name='maxX' filepath='drivers/gpu/drm/drm_modes.c' line='1152' column='1'/>
+        <parameter type-id='95e97e5e' name='maxY' filepath='drivers/gpu/drm/drm_modes.c' line='1152' column='1'/>
+        <return type-id='4fb62cb0'/>
+      </function-decl>
+      <function-decl name='drm_mode_validate_ycbcr420' mangled-name='drm_mode_validate_ycbcr420' filepath='drivers/gpu/drm/drm_modes.c' line='1176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_validate_ycbcr420'>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='1176' column='1'/>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_modes.c' line='1177' column='1'/>
+        <return type-id='4fb62cb0'/>
+      </function-decl>
+      <function-decl name='drm_mode_vrefresh' mangled-name='drm_mode_vrefresh' filepath='drivers/gpu/drm/drm_modes.c' line='758' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_vrefresh'>
+        <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='758' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_modeset_acquire_fini' mangled-name='drm_modeset_acquire_fini' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_acquire_fini'>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='214' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_modeset_acquire_init' mangled-name='drm_modeset_acquire_init' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_acquire_init'>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='198' column='1'/>
+        <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='199' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_modeset_backoff' mangled-name='drm_modeset_backoff' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_backoff'>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='294' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_modeset_drop_locks' mangled-name='drm_modeset_drop_locks' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_drop_locks'>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='226' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_modeset_lock' mangled-name='drm_modeset_lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock'>
+        <parameter type-id='b4b06bb8' name='lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='338' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='339' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_modeset_lock_all' mangled-name='drm_modeset_lock_all' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock_all'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='95' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_modeset_lock_all_ctx' mangled-name='drm_modeset_lock_all_ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock_all_ctx'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='395' column='1'/>
+        <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='396' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_modeset_lock_init' mangled-name='drm_modeset_lock_init' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock_init'>
+        <parameter type-id='b4b06bb8' name='lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='313' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_modeset_unlock' mangled-name='drm_modeset_unlock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_unlock'>
+        <parameter type-id='b4b06bb8' name='lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='368' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_modeset_unlock_all' mangled-name='drm_modeset_unlock_all' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_unlock_all'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='149' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_object_attach_property' mangled-name='drm_object_attach_property' filepath='drivers/gpu/drm/drm_mode_object.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_object_attach_property'>
+        <parameter type-id='c5417630' name='obj' filepath='drivers/gpu/drm/drm_mode_object.c' line='231' column='1'/>
+        <parameter type-id='26ea5d4c' name='property' filepath='drivers/gpu/drm/drm_mode_object.c' line='232' column='1'/>
+        <parameter type-id='9c313c2d' name='init_val' filepath='drivers/gpu/drm/drm_mode_object.c' line='233' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_of_component_match_add' mangled-name='drm_of_component_match_add' filepath='drivers/gpu/drm/drm_of.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_component_match_add'>
+        <parameter type-id='fa0b179b' name='master' filepath='drivers/gpu/drm/drm_of.c' line='91' column='1'/>
+        <parameter type-id='3630c5f2' name='matchptr' filepath='drivers/gpu/drm/drm_of.c' line='92' column='1'/>
+        <parameter type-id='92d15ae9' name='compare' filepath='drivers/gpu/drm/drm_of.c' line='93' column='1'/>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/gpu/drm/drm_of.c' line='94' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_of_crtc_port_mask' mangled-name='drm_of_crtc_port_mask' filepath='drivers/gpu/drm/drm_of.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_crtc_port_mask'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_of.c' line='34' column='1'/>
+        <parameter type-id='9a537bbe' name='port' filepath='drivers/gpu/drm/drm_of.c' line='35' column='1'/>
+        <return type-id='8f92235e'/>
+      </function-decl>
+      <function-decl name='drm_of_encoder_active_endpoint' mangled-name='drm_of_encoder_active_endpoint' filepath='drivers/gpu/drm/drm_of.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_encoder_active_endpoint'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/gpu/drm/drm_of.c' line='196' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_of.c' line='197' column='1'/>
+        <parameter type-id='a5eb3c12' name='endpoint' filepath='drivers/gpu/drm/drm_of.c' line='198' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_of_find_panel_or_bridge' mangled-name='drm_of_find_panel_or_bridge' filepath='drivers/gpu/drm/drm_of.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_find_panel_or_bridge'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/gpu/drm/drm_of.c' line='236' column='1'/>
+        <parameter type-id='95e97e5e' name='port' filepath='drivers/gpu/drm/drm_of.c' line='237' column='1'/>
+        <parameter type-id='95e97e5e' name='endpoint' filepath='drivers/gpu/drm/drm_of.c' line='237' column='1'/>
+        <parameter type-id='ef04c267' name='panel' filepath='drivers/gpu/drm/drm_of.c' line='238' column='1'/>
+        <parameter type-id='f30fb6b2' name='bridge' filepath='drivers/gpu/drm/drm_of.c' line='239' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_of_find_possible_crtcs' mangled-name='drm_of_find_possible_crtcs' filepath='drivers/gpu/drm/drm_of.c' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_find_possible_crtcs'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_of.c' line='62' column='1'/>
+        <parameter type-id='9a537bbe' name='port' filepath='drivers/gpu/drm/drm_of.c' line='63' column='1'/>
+        <return type-id='8f92235e'/>
+      </function-decl>
+      <function-decl name='drm_open' mangled-name='drm_open' filepath='drivers/gpu/drm/drm_file.c' line='410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_open'>
+        <parameter type-id='7e666abe' name='inode' filepath='drivers/gpu/drm/drm_file.c' line='410' column='1'/>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='410' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_panel_add' mangled-name='drm_panel_add' filepath='drivers/gpu/drm/drm_panel.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_add'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='74' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_panel_bridge_remove' mangled-name='drm_panel_bridge_remove' filepath='drivers/gpu/drm/bridge/panel.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_bridge_remove'>
+        <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/bridge/panel.c' line='236' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_panel_disable' mangled-name='drm_panel_disable' filepath='drivers/gpu/drm/drm_panel.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_disable'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='183' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_panel_enable' mangled-name='drm_panel_enable' filepath='drivers/gpu/drm/drm_panel.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_enable'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='151' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_panel_get_modes' mangled-name='drm_panel_get_modes' filepath='drivers/gpu/drm/drm_panel.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_get_modes'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='213' column='1'/>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_panel.c' line='214' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_panel_init' mangled-name='drm_panel_init' filepath='drivers/gpu/drm/drm_panel.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_init'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='57' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/drm_panel.c' line='57' column='1'/>
+        <parameter type-id='cda6c21a' name='funcs' filepath='drivers/gpu/drm/drm_panel.c' line='58' column='1'/>
+        <parameter type-id='95e97e5e' name='connector_type' filepath='drivers/gpu/drm/drm_panel.c' line='58' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_panel_of_backlight' mangled-name='drm_panel_of_backlight' filepath='drivers/gpu/drm/drm_panel.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_of_backlight'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='329' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_panel_prepare' mangled-name='drm_panel_prepare' filepath='drivers/gpu/drm/drm_panel.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_prepare'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='106' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_panel_remove' mangled-name='drm_panel_remove' filepath='drivers/gpu/drm/drm_panel.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_remove'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='88' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_panel_unprepare' mangled-name='drm_panel_unprepare' filepath='drivers/gpu/drm/drm_panel.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_unprepare'>
+        <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='129' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_plane_cleanup' mangled-name='drm_plane_cleanup' filepath='drivers/gpu/drm/drm_plane.c' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_cleanup'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_plane.c' line='365' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_plane_create_alpha_property' mangled-name='drm_plane_create_alpha_property' filepath='drivers/gpu/drm/drm_blend.c' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_alpha_property'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='212' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_plane_create_blend_mode_property' mangled-name='drm_plane_create_blend_mode_property' filepath='drivers/gpu/drm/drm_blend.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_blend_mode_property'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='565' column='1'/>
+        <parameter type-id='f0981eeb' name='supported_modes' filepath='drivers/gpu/drm/drm_blend.c' line='566' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_plane_create_rotation_property' mangled-name='drm_plane_create_rotation_property' filepath='drivers/gpu/drm/drm_blend.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_rotation_property'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='265' column='1'/>
+        <parameter type-id='f0981eeb' name='rotation' filepath='drivers/gpu/drm/drm_blend.c' line='266' column='1'/>
+        <parameter type-id='f0981eeb' name='supported_rotations' filepath='drivers/gpu/drm/drm_blend.c' line='267' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_plane_create_zpos_immutable_property' mangled-name='drm_plane_create_zpos_immutable_property' filepath='drivers/gpu/drm/drm_blend.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_zpos_immutable_property'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='401' column='1'/>
+        <parameter type-id='f0981eeb' name='zpos' filepath='drivers/gpu/drm/drm_blend.c' line='402' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_plane_create_zpos_property' mangled-name='drm_plane_create_zpos_property' filepath='drivers/gpu/drm/drm_blend.c' line='362' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_zpos_property'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='362' column='1'/>
+        <parameter type-id='f0981eeb' name='zpos' filepath='drivers/gpu/drm/drm_blend.c' line='363' column='1'/>
+        <parameter type-id='f0981eeb' name='min' filepath='drivers/gpu/drm/drm_blend.c' line='364' column='1'/>
+        <parameter type-id='f0981eeb' name='max' filepath='drivers/gpu/drm/drm_blend.c' line='364' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_plane_enable_fb_damage_clips' mangled-name='drm_plane_enable_fb_damage_clips' filepath='drivers/gpu/drm/drm_damage_helper.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_enable_fb_damage_clips'>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_damage_helper.c' line='96' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_poll' mangled-name='drm_poll' filepath='drivers/gpu/drm/drm_file.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_poll'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='654' column='1'/>
+        <parameter type-id='f0acc909' name='wait' filepath='drivers/gpu/drm/drm_file.c' line='654' column='1'/>
+        <return type-id='8f254b08'/>
+      </function-decl>
+      <function-decl name='drm_prime_gem_destroy' mangled-name='drm_prime_gem_destroy' filepath='drivers/gpu/drm/drm_prime.c' line='1058' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_gem_destroy'>
+        <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_prime.c' line='1058' column='1'/>
+        <parameter type-id='4adb0e6a' name='sg' filepath='drivers/gpu/drm/drm_prime.c' line='1058' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_prime_get_contiguous_size' mangled-name='drm_prime_get_contiguous_size' filepath='drivers/gpu/drm/drm_prime.c' line='871' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_get_contiguous_size'>
+        <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_prime.c' line='871' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='drm_prime_pages_to_sg' mangled-name='drm_prime_pages_to_sg' filepath='drivers/gpu/drm/drm_prime.c' line='834' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_pages_to_sg'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='834' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='drivers/gpu/drm/drm_prime.c' line='835' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_pages' filepath='drivers/gpu/drm/drm_prime.c' line='835' column='1'/>
+        <return type-id='4adb0e6a'/>
+      </function-decl>
+      <function-decl name='drm_prime_sg_to_page_addr_arrays' mangled-name='drm_prime_sg_to_page_addr_arrays' filepath='drivers/gpu/drm/drm_prime.c' line='1023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_sg_to_page_addr_arrays'>
+        <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_prime.c' line='1023' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='drivers/gpu/drm/drm_prime.c' line='1023' column='1'/>
+        <parameter type-id='e835b5d8' name='addrs' filepath='drivers/gpu/drm/drm_prime.c' line='1024' column='1'/>
+        <parameter type-id='95e97e5e' name='max_entries' filepath='drivers/gpu/drm/drm_prime.c' line='1024' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_printf' mangled-name='drm_printf' filepath='drivers/gpu/drm/drm_print.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_printf'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='197' column='1'/>
+        <parameter type-id='80f4b756' name='f' filepath='drivers/gpu/drm/drm_print.c' line='197' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_probe_ddc' mangled-name='drm_probe_ddc' filepath='drivers/gpu/drm/drm_edid.c' line='2038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_probe_ddc'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_edid.c' line='2038' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_property_blob_get' mangled-name='drm_property_blob_get' filepath='drivers/gpu/drm/drm_property.c' line='634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_blob_get'>
+        <parameter type-id='c4126d52' name='blob' filepath='drivers/gpu/drm/drm_property.c' line='634' column='1'/>
+        <return type-id='c4126d52'/>
+      </function-decl>
+      <function-decl name='drm_property_blob_put' mangled-name='drm_property_blob_put' filepath='drivers/gpu/drm/drm_property.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_blob_put'>
+        <parameter type-id='c4126d52' name='blob' filepath='drivers/gpu/drm/drm_property.c' line='603' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_property_create' mangled-name='drm_property_create' filepath='drivers/gpu/drm/drm_property.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='96' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='97' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='97' column='1'/>
+        <parameter type-id='95e97e5e' name='num_values' filepath='drivers/gpu/drm/drm_property.c' line='98' column='1'/>
+        <return type-id='26ea5d4c'/>
+      </function-decl>
+      <function-decl name='drm_property_create_bitmask' mangled-name='drm_property_create_bitmask' filepath='drivers/gpu/drm/drm_property.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_bitmask'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='210' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='211' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='211' column='1'/>
+        <parameter type-id='b807105c' name='props' filepath='drivers/gpu/drm/drm_property.c' line='212' column='1'/>
+        <parameter type-id='95e97e5e' name='num_props' filepath='drivers/gpu/drm/drm_property.c' line='213' column='1'/>
+        <parameter type-id='9c313c2d' name='supported_bits' filepath='drivers/gpu/drm/drm_property.c' line='214' column='1'/>
+        <return type-id='26ea5d4c'/>
+      </function-decl>
+      <function-decl name='drm_property_create_blob' mangled-name='drm_property_create_blob' filepath='drivers/gpu/drm/drm_property.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_blob'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='558' column='1'/>
+        <parameter type-id='b59d7dce' name='length' filepath='drivers/gpu/drm/drm_property.c' line='558' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_property.c' line='559' column='1'/>
+        <return type-id='c4126d52'/>
+      </function-decl>
+      <function-decl name='drm_property_create_bool' mangled-name='drm_property_create_bool' filepath='drivers/gpu/drm/drm_property.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_bool'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='369' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='370' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='370' column='1'/>
+        <return type-id='26ea5d4c'/>
+      </function-decl>
+      <function-decl name='drm_property_create_enum' mangled-name='drm_property_create_enum' filepath='drivers/gpu/drm/drm_property.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_enum'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='162' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='163' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='163' column='1'/>
+        <parameter type-id='b807105c' name='props' filepath='drivers/gpu/drm/drm_property.c' line='164' column='1'/>
+        <parameter type-id='95e97e5e' name='num_values' filepath='drivers/gpu/drm/drm_property.c' line='165' column='1'/>
+        <return type-id='26ea5d4c'/>
+      </function-decl>
+      <function-decl name='drm_property_create_object' mangled-name='drm_property_create_object' filepath='drivers/gpu/drm/drm_property.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_object'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='332' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='333' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='333' column='1'/>
+        <parameter type-id='8f92235e' name='type' filepath='drivers/gpu/drm/drm_property.c' line='334' column='1'/>
+        <return type-id='26ea5d4c'/>
+      </function-decl>
+      <function-decl name='drm_property_create_range' mangled-name='drm_property_create_range' filepath='drivers/gpu/drm/drm_property.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_range'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='277' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='278' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='278' column='1'/>
+        <parameter type-id='9c313c2d' name='min' filepath='drivers/gpu/drm/drm_property.c' line='279' column='1'/>
+        <parameter type-id='9c313c2d' name='max' filepath='drivers/gpu/drm/drm_property.c' line='279' column='1'/>
+        <return type-id='26ea5d4c'/>
+      </function-decl>
+      <function-decl name='drm_property_create_signed_range' mangled-name='drm_property_create_signed_range' filepath='drivers/gpu/drm/drm_property.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_signed_range'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='305' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='306' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='306' column='1'/>
+        <parameter type-id='9da381c4' name='min' filepath='drivers/gpu/drm/drm_property.c' line='307' column='1'/>
+        <parameter type-id='9da381c4' name='max' filepath='drivers/gpu/drm/drm_property.c' line='307' column='1'/>
+        <return type-id='26ea5d4c'/>
+      </function-decl>
+      <function-decl name='drm_property_destroy' mangled-name='drm_property_destroy' filepath='drivers/gpu/drm/drm_property.c' line='442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_destroy'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='442' column='1'/>
+        <parameter type-id='26ea5d4c' name='property' filepath='drivers/gpu/drm/drm_property.c' line='442' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_property_lookup_blob' mangled-name='drm_property_lookup_blob' filepath='drivers/gpu/drm/drm_property.c' line='653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_lookup_blob'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='653' column='1'/>
+        <parameter type-id='8f92235e' name='id' filepath='drivers/gpu/drm/drm_property.c' line='654' column='1'/>
+        <return type-id='c4126d52'/>
+      </function-decl>
+      <function-decl name='drm_property_replace_blob' mangled-name='drm_property_replace_blob' filepath='drivers/gpu/drm/drm_property.c' line='741' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_replace_blob'>
+        <parameter type-id='210253e8' name='blob' filepath='drivers/gpu/drm/drm_property.c' line='741' column='1'/>
+        <parameter type-id='c4126d52' name='new_blob' filepath='drivers/gpu/drm/drm_property.c' line='742' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_property_replace_global_blob' mangled-name='drm_property_replace_global_blob' filepath='drivers/gpu/drm/drm_property.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_replace_global_blob'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='693' column='1'/>
+        <parameter type-id='210253e8' name='replace' filepath='drivers/gpu/drm/drm_property.c' line='694' column='1'/>
+        <parameter type-id='b59d7dce' name='length' filepath='drivers/gpu/drm/drm_property.c' line='695' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_property.c' line='696' column='1'/>
+        <parameter type-id='c5417630' name='obj_holds_id' filepath='drivers/gpu/drm/drm_property.c' line='697' column='1'/>
+        <parameter type-id='26ea5d4c' name='prop_holds_id' filepath='drivers/gpu/drm/drm_property.c' line='698' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_puts' mangled-name='drm_puts' filepath='drivers/gpu/drm/drm_print.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_puts'>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='183' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='drivers/gpu/drm/drm_print.c' line='183' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_read' mangled-name='drm_read' filepath='drivers/gpu/drm/drm_file.c' line='569' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_read'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='569' column='1'/>
+        <parameter type-id='26a90f95' name='buffer' filepath='drivers/gpu/drm/drm_file.c' line='569' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='drivers/gpu/drm/drm_file.c' line='570' column='1'/>
+        <parameter type-id='b53e8dbb' name='offset' filepath='drivers/gpu/drm/drm_file.c' line='570' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='drm_rect_calc_hscale' mangled-name='drm_rect_calc_hscale' filepath='drivers/gpu/drm/drm_rect.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_calc_hscale'>
+        <parameter type-id='7d69a4de' name='src' filepath='drivers/gpu/drm/drm_rect.c' line='169' column='1'/>
+        <parameter type-id='7d69a4de' name='dst' filepath='drivers/gpu/drm/drm_rect.c' line='170' column='1'/>
+        <parameter type-id='95e97e5e' name='min_hscale' filepath='drivers/gpu/drm/drm_rect.c' line='171' column='1'/>
+        <parameter type-id='95e97e5e' name='max_hscale' filepath='drivers/gpu/drm/drm_rect.c' line='171' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_rect_calc_vscale' mangled-name='drm_rect_calc_vscale' filepath='drivers/gpu/drm/drm_rect.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_calc_vscale'>
+        <parameter type-id='7d69a4de' name='src' filepath='drivers/gpu/drm/drm_rect.c' line='204' column='1'/>
+        <parameter type-id='7d69a4de' name='dst' filepath='drivers/gpu/drm/drm_rect.c' line='205' column='1'/>
+        <parameter type-id='95e97e5e' name='min_vscale' filepath='drivers/gpu/drm/drm_rect.c' line='206' column='1'/>
+        <parameter type-id='95e97e5e' name='max_vscale' filepath='drivers/gpu/drm/drm_rect.c' line='206' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_rect_clip_scaled' mangled-name='drm_rect_clip_scaled' filepath='drivers/gpu/drm/drm_rect.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_clip_scaled'>
+        <parameter type-id='c91d6c11' name='src' filepath='drivers/gpu/drm/drm_rect.c' line='92' column='1'/>
+        <parameter type-id='c91d6c11' name='dst' filepath='drivers/gpu/drm/drm_rect.c' line='92' column='1'/>
+        <parameter type-id='7d69a4de' name='clip' filepath='drivers/gpu/drm/drm_rect.c' line='93' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_rect_intersect' mangled-name='drm_rect_intersect' filepath='drivers/gpu/drm/drm_rect.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_intersect'>
+        <parameter type-id='c91d6c11' name='r1' filepath='drivers/gpu/drm/drm_rect.c' line='44' column='1'/>
+        <parameter type-id='7d69a4de' name='r2' filepath='drivers/gpu/drm/drm_rect.c' line='44' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_release' mangled-name='drm_release' filepath='drivers/gpu/drm/drm_file.c' line='484' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_release'>
+        <parameter type-id='7e666abe' name='inode' filepath='drivers/gpu/drm/drm_file.c' line='484' column='1'/>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='484' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_rotation_simplify' mangled-name='drm_rotation_simplify' filepath='drivers/gpu/drm/drm_blend.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rotation_simplify'>
+        <parameter type-id='f0981eeb' name='rotation' filepath='drivers/gpu/drm/drm_blend.c' line='318' column='1'/>
+        <parameter type-id='f0981eeb' name='supported_rotations' filepath='drivers/gpu/drm/drm_blend.c' line='319' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='drm_scdc_read' mangled-name='drm_scdc_read' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_read'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1'/>
+        <parameter type-id='f9b06939' name='offset' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='54' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='drm_scdc_set_high_tmds_clock_ratio' mangled-name='drm_scdc_set_high_tmds_clock_ratio' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='219' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_set_high_tmds_clock_ratio'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='219' column='1'/>
+        <parameter type-id='b50a4934' name='set' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='219' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_scdc_set_scrambling' mangled-name='drm_scdc_set_scrambling' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_set_scrambling'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='164' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='164' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='drm_scdc_write' mangled-name='drm_scdc_write' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_write'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='93' column='1'/>
+        <parameter type-id='f9b06939' name='offset' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='93' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='94' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='94' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='drm_self_refresh_helper_alter_state' mangled-name='drm_self_refresh_helper_alter_state' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_self_refresh_helper_alter_state'>
+        <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='187' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_self_refresh_helper_cleanup' mangled-name='drm_self_refresh_helper_cleanup' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_self_refresh_helper_cleanup'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='268' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_self_refresh_helper_init' mangled-name='drm_self_refresh_helper_init' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_self_refresh_helper_init'>
+        <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='232' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_send_event' mangled-name='drm_send_event' filepath='drivers/gpu/drm/drm_file.c' line='879' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_send_event'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='879' column='1'/>
+        <parameter type-id='16ab0351' name='e' filepath='drivers/gpu/drm/drm_file.c' line='879' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_send_event_locked' mangled-name='drm_send_event_locked' filepath='drivers/gpu/drm/drm_file.c' line='858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_send_event_locked'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='858' column='1'/>
+        <parameter type-id='16ab0351' name='e' filepath='drivers/gpu/drm/drm_file.c' line='858' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_set_preferred_mode' mangled-name='drm_set_preferred_mode' filepath='drivers/gpu/drm/drm_edid.c' line='5462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_set_preferred_mode'>
+        <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5462' column='1'/>
+        <parameter type-id='95e97e5e' name='hpref' filepath='drivers/gpu/drm/drm_edid.c' line='5463' column='1'/>
+        <parameter type-id='95e97e5e' name='vpref' filepath='drivers/gpu/drm/drm_edid.c' line='5463' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_simple_encoder_init' mangled-name='drm_simple_encoder_init' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_simple_encoder_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='64' column='1'/>
+        <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='65' column='1'/>
+        <parameter type-id='95e97e5e' name='encoder_type' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='66' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_state_dump' mangled-name='drm_state_dump' filepath='drivers/gpu/drm/drm_atomic.c' line='1632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_state_dump'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic.c' line='1632' column='1'/>
+        <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_atomic.c' line='1632' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_syncobj_add_point' mangled-name='drm_syncobj_add_point' filepath='drivers/gpu/drm/drm_syncobj.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_add_point'>
+        <parameter type-id='919f23a5' name='syncobj' filepath='drivers/gpu/drm/drm_syncobj.c' line='285' column='1'/>
+        <parameter type-id='e7ca900d' name='chain' filepath='drivers/gpu/drm/drm_syncobj.c' line='286' column='1'/>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='287' column='1'/>
+        <parameter type-id='9c313c2d' name='point' filepath='drivers/gpu/drm/drm_syncobj.c' line='288' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_syncobj_find' mangled-name='drm_syncobj_find' filepath='drivers/gpu/drm/drm_syncobj.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_find'>
+        <parameter type-id='9e99ecc1' name='file_private' filepath='drivers/gpu/drm/drm_syncobj.c' line='222' column='1'/>
+        <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_syncobj.c' line='223' column='1'/>
+        <return type-id='919f23a5'/>
+      </function-decl>
+      <function-decl name='drm_syncobj_find_fence' mangled-name='drm_syncobj_find_fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_find_fence'>
+        <parameter type-id='9e99ecc1' name='file_private' filepath='drivers/gpu/drm/drm_syncobj.c' line='378' column='1'/>
+        <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_syncobj.c' line='379' column='1'/>
+        <parameter type-id='91ce1af9' name='point' filepath='drivers/gpu/drm/drm_syncobj.c' line='379' column='1'/>
+        <parameter type-id='91ce1af9' name='flags' filepath='drivers/gpu/drm/drm_syncobj.c' line='379' column='1'/>
+        <parameter type-id='be937eab' name='fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='380' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_syncobj_free' mangled-name='drm_syncobj_free' filepath='drivers/gpu/drm/drm_syncobj.c' line='456' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_free'>
+        <parameter type-id='aa29ecab' name='kref' filepath='drivers/gpu/drm/drm_syncobj.c' line='456' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_syncobj_replace_fence' mangled-name='drm_syncobj_replace_fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_replace_fence'>
+        <parameter type-id='919f23a5' name='syncobj' filepath='drivers/gpu/drm/drm_syncobj.c' line='321' column='1'/>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='322' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_sysfs_hotplug_event' mangled-name='drm_sysfs_hotplug_event' filepath='drivers/gpu/drm/drm_sysfs.c' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_sysfs_hotplug_event'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_sysfs.c' line='365' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_universal_plane_init' mangled-name='drm_universal_plane_init' filepath='drivers/gpu/drm/drm_plane.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_universal_plane_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_plane.c' line='173' column='1'/>
+        <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_plane.c' line='173' column='1'/>
+        <parameter type-id='8f92235e' name='possible_crtcs' filepath='drivers/gpu/drm/drm_plane.c' line='174' column='1'/>
+        <parameter type-id='cfd5d066' name='funcs' filepath='drivers/gpu/drm/drm_plane.c' line='175' column='1'/>
+        <parameter type-id='a6798dcc' name='formats' filepath='drivers/gpu/drm/drm_plane.c' line='176' column='1'/>
+        <parameter type-id='f0981eeb' name='format_count' filepath='drivers/gpu/drm/drm_plane.c' line='176' column='1'/>
+        <parameter type-id='713a56f5' name='format_modifiers' filepath='drivers/gpu/drm/drm_plane.c' line='177' column='1'/>
+        <parameter type-id='5eed3c85' name='type' filepath='drivers/gpu/drm/drm_plane.c' line='178' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_plane.c' line='179' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_vblank_init' mangled-name='drm_vblank_init' filepath='drivers/gpu/drm/drm_vblank.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_vblank_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_vblank.c' line='517' column='1'/>
+        <parameter type-id='f0981eeb' name='num_crtcs' filepath='drivers/gpu/drm/drm_vblank.c' line='517' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_writeback_connector_init' mangled-name='drm_writeback_connector_init' filepath='drivers/gpu/drm/drm_writeback.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_writeback_connector_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_writeback.c' line='173' column='1'/>
+        <parameter type-id='2944961d' name='wb_connector' filepath='drivers/gpu/drm/drm_writeback.c' line='174' column='1'/>
+        <parameter type-id='3fb29739' name='con_funcs' filepath='drivers/gpu/drm/drm_writeback.c' line='175' column='1'/>
+        <parameter type-id='32162fa7' name='enc_helper_funcs' filepath='drivers/gpu/drm/drm_writeback.c' line='176' column='1'/>
+        <parameter type-id='aded214c' name='formats' filepath='drivers/gpu/drm/drm_writeback.c' line='177' column='1'/>
+        <parameter type-id='95e97e5e' name='n_formats' filepath='drivers/gpu/drm/drm_writeback.c' line='177' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='drm_writeback_queue_job' mangled-name='drm_writeback_queue_job' filepath='drivers/gpu/drm/drm_writeback.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_writeback_queue_job'>
+        <parameter type-id='2944961d' name='wb_connector' filepath='drivers/gpu/drm/drm_writeback.c' line='299' column='1'/>
+        <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_writeback.c' line='300' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drm_writeback_signal_completion' mangled-name='drm_writeback_signal_completion' filepath='drivers/gpu/drm/drm_writeback.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_writeback_signal_completion'>
+        <parameter type-id='2944961d' name='wb_connector' filepath='drivers/gpu/drm/drm_writeback.c' line='366' column='1'/>
+        <parameter type-id='95e97e5e' name='status' filepath='drivers/gpu/drm/drm_writeback.c' line='367' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='drmm_kmalloc' mangled-name='drmm_kmalloc' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drmm_kmalloc'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='drmm_mode_config_init' mangled-name='drmm_mode_config_init' filepath='drivers/gpu/drm/drm_mode_config.c' line='399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drmm_mode_config_init'>
+        <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_config.c' line='399' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dst_release' mangled-name='dst_release' filepath='net/core/dst.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dst_release'>
+        <parameter type-id='141b6427' name='dst' filepath='net/core/dst.c' line='169' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='dummy_irq_chip' type-id='0f5f7920' mangled-name='dummy_irq_chip' visibility='default' filepath='kernel/irq/dummychip.c' line='53' column='1' elf-symbol-id='dummy_irq_chip'/>
+      <function-decl name='dump_align' mangled-name='dump_align' filepath='fs/coredump.c' line='915' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_align'>
+        <parameter type-id='581abdef' name='cprm' filepath='fs/coredump.c' line='915' column='1'/>
+        <parameter type-id='95e97e5e' name='align' filepath='fs/coredump.c' line='915' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dump_backtrace' mangled-name='dump_backtrace' filepath='arch/arm64/kernel/stacktrace.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_backtrace'>
+        <parameter type-id='4616a179' name='regs' filepath='arch/arm64/kernel/stacktrace.c' line='140' column='1'/>
+        <parameter type-id='f23e2572' name='tsk' filepath='arch/arm64/kernel/stacktrace.c' line='140' column='1'/>
+        <parameter type-id='80f4b756' name='loglvl' filepath='arch/arm64/kernel/stacktrace.c' line='141' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dump_emit' mangled-name='dump_emit' filepath='fs/coredump.c' line='838' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_emit'>
+        <parameter type-id='581abdef' name='cprm' filepath='fs/coredump.c' line='838' column='1'/>
+        <parameter type-id='eaa32e2f' name='addr' filepath='fs/coredump.c' line='838' column='1'/>
+        <parameter type-id='95e97e5e' name='nr' filepath='fs/coredump.c' line='838' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dump_stack' mangled-name='dump_stack' filepath='lib/dump_stack.c' line='133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_stack'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dup_iter' mangled-name='dup_iter' filepath='lib/iov_iter.c' line='1629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dup_iter'>
+        <parameter type-id='4fa10f9e' name='new' filepath='lib/iov_iter.c' line='1629' column='1'/>
+        <parameter type-id='4fa10f9e' name='old' filepath='lib/iov_iter.c' line='1629' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='lib/iov_iter.c' line='1629' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='dw_handle_msi_irq' mangled-name='dw_handle_msi_irq' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_handle_msi_irq'>
+        <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='56' column='1'/>
+        <return type-id='4bdecfd7'/>
+      </function-decl>
+      <function-decl name='dw_pcie_ep_init' mangled-name='dw_pcie_ep_init' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_init'>
+        <parameter type-id='69a866d8' name='ep' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='678' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_ep_raise_msi_irq' mangled-name='dw_pcie_ep_raise_msi_irq' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_raise_msi_irq'>
+        <parameter type-id='69a866d8' name='ep' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='491' column='1'/>
+        <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='491' column='1'/>
+        <parameter type-id='f9b06939' name='interrupt_num' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='492' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_ep_raise_msix_irq' mangled-name='dw_pcie_ep_raise_msix_irq' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_raise_msix_irq'>
+        <parameter type-id='69a866d8' name='ep' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='562' column='1'/>
+        <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='562' column='1'/>
+        <parameter type-id='1dc6a898' name='interrupt_num' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='563' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_find_ext_capability' mangled-name='dw_pcie_find_ext_capability' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_find_ext_capability'>
+        <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='93' column='1'/>
+        <parameter type-id='f9b06939' name='cap' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='93' column='1'/>
+        <return type-id='1dc6a898'/>
+      </function-decl>
+      <function-decl name='dw_pcie_host_init' mangled-name='dw_pcie_host_init' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_host_init'>
+        <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='293' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_link_up' mangled-name='dw_pcie_link_up' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='488' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_link_up'>
+        <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='488' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_msi_init' mangled-name='dw_pcie_msi_init' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_msi_init'>
+        <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='279' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dw_pcie_read' mangled-name='dw_pcie_read' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_read'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1'/>
+        <parameter type-id='f9409001' name='val' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_read_dbi' mangled-name='dw_pcie_read_dbi' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_read_dbi'>
+        <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1'/>
+        <parameter type-id='19c2251e' name='reg' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_setup_rc' mangled-name='dw_pcie_setup_rc' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_setup_rc'>
+        <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='532' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dw_pcie_write' mangled-name='dw_pcie_write' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_write'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1'/>
+        <parameter type-id='19c2251e' name='val' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dw_pcie_write_dbi' mangled-name='dw_pcie_write_dbi' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_write_dbi'>
+        <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+        <parameter type-id='19c2251e' name='reg' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+        <parameter type-id='19c2251e' name='val' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='dwc3_send_gadget_ep_cmd' mangled-name='dwc3_send_gadget_ep_cmd' filepath='drivers/usb/dwc3/gadget.c' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dwc3_send_gadget_ep_cmd'>
+        <parameter type-id='b31af340' name='dep' filepath='drivers/usb/dwc3/gadget.c' line='273' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='drivers/usb/dwc3/gadget.c' line='273' column='1'/>
+        <parameter type-id='f9841541' name='params' filepath='drivers/usb/dwc3/gadget.c' line='274' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='dwc3_stop_active_transfer' mangled-name='dwc3_stop_active_transfer' filepath='drivers/usb/dwc3/gadget.c' line='3672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dwc3_stop_active_transfer'>
+        <parameter type-id='b31af340' name='dep' filepath='drivers/usb/dwc3/gadget.c' line='3672' column='1'/>
+        <parameter type-id='b50a4934' name='force' filepath='drivers/usb/dwc3/gadget.c' line='3672' column='1'/>
+        <parameter type-id='b50a4934' name='interrupt' filepath='drivers/usb/dwc3/gadget.c' line='3673' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='efi' type-id='f7bdefe9' mangled-name='efi' visibility='default' filepath='drivers/firmware/efi/efi.c' line='37' column='1' elf-symbol-id='efi'/>
+      <function-decl name='ehci_init_driver' mangled-name='ehci_init_driver' filepath='drivers/usb/host/ehci-hcd.c' line='1269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_init_driver'>
+        <parameter type-id='c07d5ba3' name='drv' filepath='drivers/usb/host/ehci-hcd.c' line='1269' column='1'/>
+        <parameter type-id='843888b8' name='over' filepath='drivers/usb/host/ehci-hcd.c' line='1270' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ehci_resume' mangled-name='ehci_resume' filepath='drivers/usb/host/ehci-hcd.c' line='1150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_resume'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/ehci-hcd.c' line='1150' column='1'/>
+        <parameter type-id='b50a4934' name='force_reset' filepath='drivers/usb/host/ehci-hcd.c' line='1150' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ehci_setup' mangled-name='ehci_setup' filepath='drivers/usb/host/ehci-hcd.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_setup'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/ehci-hcd.c' line='678' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ehci_suspend' mangled-name='ehci_suspend' filepath='drivers/usb/host/ehci-hcd.c' line='1116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_suspend'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/ehci-hcd.c' line='1116' column='1'/>
+        <parameter type-id='b50a4934' name='do_wakeup' filepath='drivers/usb/host/ehci-hcd.c' line='1116' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='elevator_alloc' mangled-name='elevator_alloc' filepath='block/elevator.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elevator_alloc'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='164' column='1'/>
+        <parameter type-id='4a89adae' name='e' filepath='block/elevator.c' line='165' column='1'/>
+        <return type-id='07d0a3e7'/>
+      </function-decl>
+      <function-decl name='elv_bio_merge_ok' mangled-name='elv_bio_merge_ok' filepath='block/elevator.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_bio_merge_ok'>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='74' column='1'/>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/elevator.c' line='74' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='elv_rb_add' mangled-name='elv_rb_add' filepath='block/elevator.c' line='254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_add'>
+        <parameter type-id='c5bcc2c0' name='root' filepath='block/elevator.c' line='254' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='254' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='elv_rb_del' mangled-name='elv_rb_del' filepath='block/elevator.c' line='275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_del'>
+        <parameter type-id='c5bcc2c0' name='root' filepath='block/elevator.c' line='275' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='275' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='elv_rb_find' mangled-name='elv_rb_find' filepath='block/elevator.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_find'>
+        <parameter type-id='c5bcc2c0' name='root' filepath='block/elevator.c' line='283' column='1'/>
+        <parameter type-id='a42536cd' name='sector' filepath='block/elevator.c' line='283' column='1'/>
+        <return type-id='3dad1a48'/>
+      </function-decl>
+      <function-decl name='elv_rb_former_request' mangled-name='elv_rb_former_request' filepath='block/elevator.c' line='809' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_former_request'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='809' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='810' column='1'/>
+        <return type-id='3dad1a48'/>
+      </function-decl>
+      <function-decl name='elv_rb_latter_request' mangled-name='elv_rb_latter_request' filepath='block/elevator.c' line='821' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_latter_request'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='821' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='822' column='1'/>
+        <return type-id='3dad1a48'/>
+      </function-decl>
+      <function-decl name='elv_register' mangled-name='elv_register' filepath='block/elevator.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_register'>
+        <parameter type-id='4a89adae' name='e' filepath='block/elevator.c' line='524' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='elv_rqhash_add' mangled-name='elv_rqhash_add' filepath='block/elevator.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rqhash_add'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='213' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='213' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='elv_rqhash_del' mangled-name='elv_rqhash_del' filepath='block/elevator.c' line='206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rqhash_del'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='206' column='1'/>
+        <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='206' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='elv_unregister' mangled-name='elv_unregister' filepath='block/elevator.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_unregister'>
+        <parameter type-id='4a89adae' name='e' filepath='block/elevator.c' line='556' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='em_cpu_get' mangled-name='em_cpu_get' filepath='kernel/power/energy_model.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='em_cpu_get'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/power/energy_model.c' line='238' column='1'/>
+        <return type-id='ce714046'/>
+      </function-decl>
+      <function-decl name='emergency_restart' mangled-name='emergency_restart' filepath='kernel/reboot.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='emergency_restart'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='enable_irq' mangled-name='enable_irq' filepath='kernel/irq/manage.c' line='724' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='enable_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='724' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='enable_percpu_irq' mangled-name='enable_percpu_irq' filepath='kernel/irq/manage.c' line='2270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='enable_percpu_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2270' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='kernel/irq/manage.c' line='2270' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='errno_to_blk_status' mangled-name='errno_to_blk_status' filepath='block/blk-core.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='errno_to_blk_status'>
+        <parameter type-id='95e97e5e' name='errno' filepath='block/blk-core.c' line='197' column='1'/>
+        <return type-id='f4e2facd'/>
+      </function-decl>
+      <function-decl name='eth_commit_mac_addr_change' mangled-name='eth_commit_mac_addr_change' filepath='net/ethernet/eth.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_commit_mac_addr_change'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='308' column='1'/>
+        <parameter type-id='eaa32e2f' name='p' filepath='net/ethernet/eth.c' line='308' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='eth_header' mangled-name='eth_header' filepath='net/ethernet/eth.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_header'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/ethernet/eth.c' line='79' column='1'/>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='79' column='1'/>
+        <parameter type-id='8efea9e5' name='type' filepath='net/ethernet/eth.c' line='80' column='1'/>
+        <parameter type-id='eaa32e2f' name='daddr' filepath='net/ethernet/eth.c' line='81' column='1'/>
+        <parameter type-id='eaa32e2f' name='saddr' filepath='net/ethernet/eth.c' line='81' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/ethernet/eth.c' line='81' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='eth_header_parse' mangled-name='eth_header_parse' filepath='net/ethernet/eth.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_header_parse'>
+        <parameter type-id='11f4a000' name='skb' filepath='net/ethernet/eth.c' line='217' column='1'/>
+        <parameter type-id='cf536864' name='haddr' filepath='net/ethernet/eth.c' line='217' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='eth_mac_addr' mangled-name='eth_mac_addr' filepath='net/ethernet/eth.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_mac_addr'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='326' column='1'/>
+        <parameter type-id='eaa32e2f' name='p' filepath='net/ethernet/eth.c' line='326' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='eth_platform_get_mac_address' mangled-name='eth_platform_get_mac_address' filepath='net/ethernet/eth.c' line='507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_platform_get_mac_address'>
+        <parameter type-id='fa0b179b' name='dev' filepath='net/ethernet/eth.c' line='507' column='1'/>
+        <parameter type-id='8bff8096' name='mac_addr' filepath='net/ethernet/eth.c' line='507' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='eth_prepare_mac_addr_change' mangled-name='eth_prepare_mac_addr_change' filepath='net/ethernet/eth.c' line='291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_prepare_mac_addr_change'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='291' column='1'/>
+        <parameter type-id='eaa32e2f' name='p' filepath='net/ethernet/eth.c' line='291' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='eth_type_trans' mangled-name='eth_type_trans' filepath='net/ethernet/eth.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_type_trans'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/ethernet/eth.c' line='155' column='1'/>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='155' column='1'/>
+        <return type-id='84a5c3d4'/>
+      </function-decl>
+      <function-decl name='eth_validate_addr' mangled-name='eth_validate_addr' filepath='net/ethernet/eth.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_validate_addr'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='338' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ether_setup' mangled-name='ether_setup' filepath='net/ethernet/eth.c' line='361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ether_setup'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='361' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ethtool_convert_legacy_u32_to_link_mode' mangled-name='ethtool_convert_legacy_u32_to_link_mode' filepath='net/ethtool/ioctl.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_convert_legacy_u32_to_link_mode'>
+        <parameter type-id='1d2c2b85' name='dst' filepath='net/ethtool/ioctl.c' line='334' column='1'/>
+        <parameter type-id='19c2251e' name='legacy_u32' filepath='net/ethtool/ioctl.c' line='335' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ethtool_convert_link_mode_to_legacy_u32' mangled-name='ethtool_convert_link_mode_to_legacy_u32' filepath='net/ethtool/ioctl.c' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_convert_link_mode_to_legacy_u32'>
+        <parameter type-id='f9409001' name='legacy_u32' filepath='net/ethtool/ioctl.c' line='343' column='1'/>
+        <parameter type-id='f9b37274' name='src' filepath='net/ethtool/ioctl.c' line='344' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ethtool_op_get_link' mangled-name='ethtool_op_get_link' filepath='net/ethtool/ioctl.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_op_get_link'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='40' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='ethtool_op_get_ts_info' mangled-name='ethtool_op_get_ts_info' filepath='net/ethtool/ioctl.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_op_get_ts_info'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='46' column='1'/>
+        <parameter type-id='fa058983' name='info' filepath='net/ethtool/ioctl.c' line='46' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ethtool_virtdev_set_link_ksettings' mangled-name='ethtool_virtdev_set_link_ksettings' filepath='net/ethtool/ioctl.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_virtdev_set_link_ksettings'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='611' column='1'/>
+        <parameter type-id='b2c34f11' name='cmd' filepath='net/ethtool/ioctl.c' line='612' column='1'/>
+        <parameter type-id='f9409001' name='dev_speed' filepath='net/ethtool/ioctl.c' line='613' column='1'/>
+        <parameter type-id='8bff8096' name='dev_duplex' filepath='net/ethtool/ioctl.c' line='613' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='event_triggers_call' mangled-name='event_triggers_call' filepath='kernel/trace/trace_events_trigger.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='event_triggers_call'>
+        <parameter type-id='3d4ca6d2' name='file' filepath='kernel/trace/trace_events_trigger.c' line='56' column='1'/>
+        <parameter type-id='eaa32e2f' name='rec' filepath='kernel/trace/trace_events_trigger.c' line='56' column='1'/>
+        <parameter type-id='3275e929' name='event' filepath='kernel/trace/trace_events_trigger.c' line='57' column='1'/>
+        <return type-id='21b4096c'/>
+      </function-decl>
+      <function-decl name='eventfd_ctx_fdget' mangled-name='eventfd_ctx_fdget' filepath='fs/eventfd.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_ctx_fdget'>
+        <parameter type-id='95e97e5e' name='fd' filepath='fs/eventfd.c' line='378' column='1'/>
+        <return type-id='71f2e203'/>
+      </function-decl>
+      <function-decl name='eventfd_ctx_put' mangled-name='eventfd_ctx_put' filepath='fs/eventfd.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_ctx_put'>
+        <parameter type-id='71f2e203' name='ctx' filepath='fs/eventfd.c' line='117' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='eventfd_signal' mangled-name='eventfd_signal' filepath='fs/eventfd.c' line='90' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_signal'>
+        <parameter type-id='71f2e203' name='ctx' filepath='fs/eventfd.c' line='90' column='1'/>
+        <parameter type-id='d3130597' name='n' filepath='fs/eventfd.c' line='90' column='1'/>
+        <return type-id='d3130597'/>
+      </function-decl>
+      <function-decl name='extcon_get_edev_by_phandle' mangled-name='extcon_get_edev_by_phandle' filepath='drivers/extcon/extcon.c' line='1372' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_edev_by_phandle'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/extcon.c' line='1372' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/extcon/extcon.c' line='1372' column='1'/>
+        <return type-id='c0d6fada'/>
+      </function-decl>
+      <function-decl name='extcon_get_extcon_dev' mangled-name='extcon_get_extcon_dev' filepath='drivers/extcon/extcon.c' line='875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_extcon_dev'>
+        <parameter type-id='80f4b756' name='extcon_name' filepath='drivers/extcon/extcon.c' line='875' column='1'/>
+        <return type-id='c0d6fada'/>
+      </function-decl>
+      <function-decl name='extcon_get_property' mangled-name='extcon_get_property' filepath='drivers/extcon/extcon.c' line='623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_property'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='623' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='623' column='1'/>
+        <parameter type-id='f0981eeb' name='prop' filepath='drivers/extcon/extcon.c' line='624' column='1'/>
+        <parameter type-id='50842338' name='prop_val' filepath='drivers/extcon/extcon.c' line='625' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_get_state' mangled-name='extcon_get_state' filepath='drivers/extcon/extcon.c' line='497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_state'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='497' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='497' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_register_notifier' mangled-name='extcon_register_notifier' filepath='drivers/extcon/extcon.c' line='907' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_register_notifier'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='907' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='907' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/extcon/extcon.c' line='908' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_set_property' mangled-name='extcon_set_property' filepath='drivers/extcon/extcon.c' line='702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_property'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='702' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='702' column='1'/>
+        <parameter type-id='f0981eeb' name='prop' filepath='drivers/extcon/extcon.c' line='703' column='1'/>
+        <parameter type-id='282b2805' name='prop_val' filepath='drivers/extcon/extcon.c' line='704' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_set_property_capability' mangled-name='extcon_set_property_capability' filepath='drivers/extcon/extcon.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_property_capability'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='824' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='824' column='1'/>
+        <parameter type-id='f0981eeb' name='prop' filepath='drivers/extcon/extcon.c' line='825' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_set_property_sync' mangled-name='extcon_set_property_sync' filepath='drivers/extcon/extcon.c' line='767' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_property_sync'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='767' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='767' column='1'/>
+        <parameter type-id='f0981eeb' name='prop' filepath='drivers/extcon/extcon.c' line='768' column='1'/>
+        <parameter type-id='282b2805' name='prop_val' filepath='drivers/extcon/extcon.c' line='769' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_set_state' mangled-name='extcon_set_state' filepath='drivers/extcon/extcon.c' line='530' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_state'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='530' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='530' column='1'/>
+        <parameter type-id='b50a4934' name='state' filepath='drivers/extcon/extcon.c' line='530' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_set_state_sync' mangled-name='extcon_set_state_sync' filepath='drivers/extcon/extcon.c' line='585' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_state_sync'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='585' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='585' column='1'/>
+        <parameter type-id='b50a4934' name='state' filepath='drivers/extcon/extcon.c' line='585' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_sync' mangled-name='extcon_sync' filepath='drivers/extcon/extcon.c' line='416' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_sync'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='416' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='416' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='extcon_unregister_notifier' mangled-name='extcon_unregister_notifier' filepath='drivers/extcon/extcon.c' line='936' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_unregister_notifier'>
+        <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='936' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='936' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/extcon/extcon.c' line='937' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='failure_tracking' type-id='49a0ad34' mangled-name='failure_tracking' visibility='default' filepath='mm/page_pinner.c' line='61' column='1' elf-symbol-id='failure_tracking'/>
+      <function-decl name='fasync_helper' mangled-name='fasync_helper' filepath='fs/fcntl.c' line='990' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fasync_helper'>
+        <parameter type-id='95e97e5e' name='fd' filepath='fs/fcntl.c' line='990' column='1'/>
+        <parameter type-id='77e79a4b' name='filp' filepath='fs/fcntl.c' line='990' column='1'/>
+        <parameter type-id='95e97e5e' name='on' filepath='fs/fcntl.c' line='990' column='1'/>
+        <parameter type-id='dc750055' name='fapp' filepath='fs/fcntl.c' line='990' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='fd_install' mangled-name='fd_install' filepath='fs/file.c' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fd_install'>
+        <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='664' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/file.c' line='664' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='fget' mangled-name='fget' filepath='fs/file.c' line='981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fget'>
+        <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='981' column='1'/>
+        <return type-id='77e79a4b'/>
+      </function-decl>
+      <function-decl name='file_path' mangled-name='file_path' filepath='fs/open.c' line='927' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='file_path'>
+        <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='927' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/open.c' line='927' column='1'/>
+        <parameter type-id='95e97e5e' name='buflen' filepath='fs/open.c' line='927' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='file_ra_state_init' mangled-name='file_ra_state_init' filepath='mm/readahead.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='file_ra_state_init'>
+        <parameter type-id='66ec8db7' name='ra' filepath='mm/readahead.c' line='35' column='1'/>
+        <parameter type-id='f57039f0' name='mapping' filepath='mm/readahead.c' line='35' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='filp_close' mangled-name='filp_close' filepath='fs/open.c' line='1315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='filp_close'>
+        <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='1315' column='1'/>
+        <parameter type-id='bc5666d5' name='id' filepath='fs/open.c' line='1315' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='filp_open_block' mangled-name='filp_open_block' filepath='fs/open.c' line='1170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='filp_open_block'>
+        <parameter type-id='80f4b756' name='filename' filepath='fs/open.c' line='1170' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='fs/open.c' line='1170' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/open.c' line='1170' column='1'/>
+        <return type-id='77e79a4b'/>
+      </function-decl>
+      <function-decl name='find_extend_vma' mangled-name='find_extend_vma' filepath='mm/mmap.c' line='2724' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_extend_vma'>
+        <parameter type-id='df4b7819' name='mm' filepath='mm/mmap.c' line='2724' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/mmap.c' line='2724' column='1'/>
+        <return type-id='2ae08426'/>
+      </function-decl>
+      <function-decl name='find_get_pid' mangled-name='find_get_pid' filepath='kernel/pid.c' line='464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_get_pid'>
+        <parameter type-id='587f89d2' name='nr' filepath='kernel/pid.c' line='464' column='1'/>
+        <return type-id='b94e5398'/>
+      </function-decl>
+      <function-decl name='find_last_bit' mangled-name='find_last_bit' filepath='lib/find_bit.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_last_bit'>
+        <parameter type-id='f9b37274' name='addr' filepath='lib/find_bit.c' line='140' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='lib/find_bit.c' line='140' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='find_next_bit' mangled-name='find_next_bit' filepath='lib/find_bit.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_next_bit'>
+        <parameter type-id='f9b37274' name='addr' filepath='lib/find_bit.c' line='76' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='lib/find_bit.c' line='76' column='1'/>
+        <parameter type-id='7359adad' name='offset' filepath='lib/find_bit.c' line='77' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='find_next_zero_bit' mangled-name='find_next_zero_bit' filepath='lib/find_bit.c' line='85' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_next_zero_bit'>
+        <parameter type-id='f9b37274' name='addr' filepath='lib/find_bit.c' line='85' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='lib/find_bit.c' line='85' column='1'/>
+        <parameter type-id='7359adad' name='offset' filepath='lib/find_bit.c' line='86' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='find_pid_ns' mangled-name='find_pid_ns' filepath='kernel/pid.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_pid_ns'>
+        <parameter type-id='95e97e5e' name='nr' filepath='kernel/pid.c' line='312' column='1'/>
+        <parameter type-id='b816e1d0' name='ns' filepath='kernel/pid.c' line='312' column='1'/>
+        <return type-id='b94e5398'/>
+      </function-decl>
+      <function-decl name='find_task_by_vpid' mangled-name='find_task_by_vpid' filepath='kernel/pid.c' line='423' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_task_by_vpid'>
+        <parameter type-id='587f89d2' name='vnr' filepath='kernel/pid.c' line='423' column='1'/>
+        <return type-id='f23e2572'/>
+      </function-decl>
+      <function-decl name='find_vm_area' mangled-name='find_vm_area' filepath='mm/vmalloc.c' line='2162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_vm_area'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='mm/vmalloc.c' line='2162' column='1'/>
+        <return type-id='d295dab2'/>
+      </function-decl>
+      <function-decl name='find_vma' mangled-name='find_vma' filepath='mm/mmap.c' line='2399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_vma'>
+        <parameter type-id='df4b7819' name='mm' filepath='mm/mmap.c' line='2399' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/mmap.c' line='2399' column='1'/>
+        <return type-id='2ae08426'/>
+      </function-decl>
+      <function-decl name='find_vpid' mangled-name='find_vpid' filepath='kernel/pid.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_vpid'>
+        <parameter type-id='95e97e5e' name='nr' filepath='kernel/pid.c' line='318' column='1'/>
+        <return type-id='b94e5398'/>
+      </function-decl>
+      <function-decl name='finish_wait' mangled-name='finish_wait' filepath='kernel/sched/wait.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='finish_wait'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='377' column='1'/>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='377' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='firmware_request_nowarn' mangled-name='firmware_request_nowarn' filepath='drivers/base/firmware_loader/main.c' line='913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='firmware_request_nowarn'>
+        <parameter type-id='6c2331f5' name='firmware' filepath='drivers/base/firmware_loader/main.c' line='913' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='913' column='1'/>
+        <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='914' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='flow_block_cb_setup_simple' mangled-name='flow_block_cb_setup_simple' filepath='net/core/flow_offload.c' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flow_block_cb_setup_simple'>
+        <parameter type-id='73bb9b25' name='f' filepath='net/core/flow_offload.c' line='281' column='1'/>
+        <parameter type-id='e84b031a' name='driver_block_list' filepath='net/core/flow_offload.c' line='282' column='1'/>
+        <parameter type-id='18a1ba64' name='cb' filepath='net/core/flow_offload.c' line='283' column='1'/>
+        <parameter type-id='eaa32e2f' name='cb_ident' filepath='net/core/flow_offload.c' line='284' column='1'/>
+        <parameter type-id='eaa32e2f' name='cb_priv' filepath='net/core/flow_offload.c' line='284' column='1'/>
+        <parameter type-id='b50a4934' name='ingress_only' filepath='net/core/flow_offload.c' line='285' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='flow_keys_basic_dissector' type-id='379be6ec' mangled-name='flow_keys_basic_dissector' visibility='default' filepath='net/core/flow_dissector.c' line='1795' column='1' elf-symbol-id='flow_keys_basic_dissector'/>
+      <function-decl name='flow_rule_match_basic' mangled-name='flow_rule_match_basic' filepath='net/core/flow_offload.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flow_rule_match_basic'>
+        <parameter type-id='c9242457' name='rule' filepath='net/core/flow_offload.c' line='44' column='1'/>
+        <parameter type-id='dcf452cc' name='out' filepath='net/core/flow_offload.c' line='45' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='flow_rule_match_ipv4_addrs' mangled-name='flow_rule_match_ipv4_addrs' filepath='net/core/flow_offload.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flow_rule_match_ipv4_addrs'>
+        <parameter type-id='c9242457' name='rule' filepath='net/core/flow_offload.c' line='79' column='1'/>
+        <parameter type-id='2833a0ca' name='out' filepath='net/core/flow_offload.c' line='80' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='flow_rule_match_ports' mangled-name='flow_rule_match_ports' filepath='net/core/flow_offload.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flow_rule_match_ports'>
+        <parameter type-id='c9242457' name='rule' filepath='net/core/flow_offload.c' line='100' column='1'/>
+        <parameter type-id='0949fa0e' name='out' filepath='net/core/flow_offload.c' line='101' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='flush_dcache_page' mangled-name='flush_dcache_page' filepath='arch/arm64/mm/flush.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_dcache_page'>
+        <parameter type-id='02f11ed4' name='page' filepath='arch/arm64/mm/flush.c' line='69' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='flush_delayed_work' mangled-name='flush_delayed_work' filepath='kernel/workqueue.c' line='3215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_delayed_work'>
+        <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='3215' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='flush_work' mangled-name='flush_work' filepath='kernel/workqueue.c' line='3095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_work'>
+        <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='3095' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='flush_workqueue' mangled-name='flush_workqueue' filepath='kernel/workqueue.c' line='2800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_workqueue'>
+        <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='2800' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='fpsimd_context_busy' type-id='b50a4934' mangled-name='fpsimd_context_busy' visibility='default' filepath='arch/arm64/kernel/fpsimd.c' line='166' column='1' elf-symbol-id='fpsimd_context_busy'/>
+      <function-decl name='fput' mangled-name='fput' filepath='fs/file_table.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fput'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/file_table.c' line='356' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='frame_vector_create' mangled-name='frame_vector_create' filepath='mm/frame_vector.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='frame_vector_create'>
+        <parameter type-id='f0981eeb' name='nr_frames' filepath='mm/frame_vector.c' line='185' column='1'/>
+        <return type-id='d9fbdc06'/>
+      </function-decl>
+      <function-decl name='frame_vector_destroy' mangled-name='frame_vector_destroy' filepath='mm/frame_vector.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='frame_vector_destroy'>
+        <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='217' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='frame_vector_to_pages' mangled-name='frame_vector_to_pages' filepath='mm/frame_vector.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='frame_vector_to_pages'>
+        <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='136' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='free_candev' mangled-name='free_candev' filepath='drivers/net/can/dev/dev.c' line='802' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_candev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='802' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='free_io_pgtable_ops' mangled-name='free_io_pgtable_ops' filepath='drivers/iommu/io-pgtable.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_io_pgtable_ops'>
+        <parameter type-id='bf4bdb64' name='ops' filepath='drivers/iommu/io-pgtable.c' line='59' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='free_iova_fast' mangled-name='free_iova_fast' filepath='drivers/iommu/iova.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_iova_fast'>
+        <parameter type-id='0c2c419d' name='iovad' filepath='drivers/iommu/iova.c' line='550' column='1'/>
+        <parameter type-id='7359adad' name='pfn' filepath='drivers/iommu/iova.c' line='550' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='drivers/iommu/iova.c' line='550' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='free_irq' mangled-name='free_irq' filepath='kernel/irq/manage.c' line='1922' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='1922' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='1922' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='free_netdev' mangled-name='free_netdev' filepath='net/core/dev.c' line='10587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_netdev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10587' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='free_pages' mangled-name='free_pages' filepath='mm/page_alloc.c' line='5423' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_pages'>
+        <parameter type-id='7359adad' name='addr' filepath='mm/page_alloc.c' line='5423' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='5423' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='free_pages_exact' mangled-name='free_pages_exact' filepath='mm/page_alloc.c' line='5634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_pages_exact'>
+        <parameter type-id='eaa32e2f' name='virt' filepath='mm/page_alloc.c' line='5634' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/page_alloc.c' line='5634' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='free_percpu' mangled-name='free_percpu' filepath='mm/percpu.c' line='2080' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_percpu'>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='mm/percpu.c' line='2080' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='free_percpu_irq' mangled-name='free_percpu_irq' filepath='kernel/irq/manage.c' line='2426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_percpu_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2426' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='2426' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='freezing_slow_path' mangled-name='freezing_slow_path' filepath='kernel/freezer.c' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freezing_slow_path'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/freezer.c' line='41' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='freq_qos_add_request' mangled-name='freq_qos_add_request' filepath='kernel/power/qos.c' line='531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_qos_add_request'>
+        <parameter type-id='1351457a' name='qos' filepath='kernel/power/qos.c' line='531' column='1'/>
+        <parameter type-id='3fdf7ca3' name='req' filepath='kernel/power/qos.c' line='532' column='1'/>
+        <parameter type-id='1df5cca8' name='type' filepath='kernel/power/qos.c' line='533' column='1'/>
+        <parameter type-id='a7832498' name='value' filepath='kernel/power/qos.c' line='533' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='freq_qos_remove_request' mangled-name='freq_qos_remove_request' filepath='kernel/power/qos.c' line='595' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_qos_remove_request'>
+        <parameter type-id='3fdf7ca3' name='req' filepath='kernel/power/qos.c' line='595' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='freq_qos_update_request' mangled-name='freq_qos_update_request' filepath='kernel/power/qos.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_qos_update_request'>
+        <parameter type-id='3fdf7ca3' name='req' filepath='kernel/power/qos.c' line='568' column='1'/>
+        <parameter type-id='a7832498' name='new_value' filepath='kernel/power/qos.c' line='568' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='freq_reg_info' mangled-name='freq_reg_info' filepath='net/wireless/reg.c' line='1643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_reg_info'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/reg.c' line='1643' column='1'/>
+        <parameter type-id='19c2251e' name='center_freq' filepath='net/wireless/reg.c' line='1644' column='1'/>
+        <return type-id='cde95316'/>
+      </function-decl>
+      <var-decl name='freq_scale' type-id='7359adad' mangled-name='freq_scale' visibility='default' filepath='drivers/base/arch_topology.c' line='35' column='1' elf-symbol-id='freq_scale'/>
+      <var-decl name='fs_bio_set' type-id='dfa886b2' mangled-name='fs_bio_set' visibility='default' filepath='block/bio.c' line='48' column='1' elf-symbol-id='fs_bio_set'/>
+      <function-decl name='fsync_bdev' mangled-name='fsync_bdev' filepath='fs/block_dev.c' line='548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fsync_bdev'>
+        <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='548' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='full_name_hash' mangled-name='full_name_hash' filepath='fs/namei.c' line='2067' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='full_name_hash'>
+        <parameter type-id='eaa32e2f' name='salt' filepath='fs/namei.c' line='2067' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/namei.c' line='2067' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='fs/namei.c' line='2067' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='fwnode_create_software_node' mangled-name='fwnode_create_software_node' filepath='drivers/base/swnode.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_create_software_node'>
+        <parameter type-id='9e1d140c' name='properties' filepath='drivers/base/swnode.c' line='824' column='1'/>
+        <parameter type-id='7837cd88' name='parent' filepath='drivers/base/swnode.c' line='825' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_device_is_available' mangled-name='fwnode_device_is_available' filepath='drivers/base/property.c' line='841' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_device_is_available'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='841' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='fwnode_find_reference' mangled-name='fwnode_find_reference' filepath='drivers/base/property.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_find_reference'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='498' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/property.c' line='499' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/base/property.c' line='500' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_get_name' mangled-name='fwnode_get_name' filepath='drivers/base/property.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_get_name'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='565' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='fwnode_get_next_parent' mangled-name='fwnode_get_next_parent' filepath='drivers/base/property.c' line='607' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_get_next_parent'>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/base/property.c' line='607' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_get_parent' mangled-name='fwnode_get_parent' filepath='drivers/base/property.c' line='590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_get_parent'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='590' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_gpiod_get_index' mangled-name='fwnode_gpiod_get_index' filepath='drivers/gpio/gpiolib.c' line='3810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_gpiod_get_index'>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/gpio/gpiolib.c' line='3810' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib.c' line='3811' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/gpio/gpiolib.c' line='3811' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib.c' line='3812' column='1'/>
+        <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib.c' line='3813' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='fwnode_graph_get_next_endpoint' mangled-name='fwnode_graph_get_next_endpoint' filepath='drivers/base/property.c' line='1030' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_next_endpoint'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1030' column='1'/>
+        <parameter type-id='4a935625' name='prev' filepath='drivers/base/property.c' line='1031' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_graph_get_port_parent' mangled-name='fwnode_graph_get_port_parent' filepath='drivers/base/property.c' line='1044' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_port_parent'>
+        <parameter type-id='7837cd88' name='endpoint' filepath='drivers/base/property.c' line='1044' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_graph_get_remote_endpoint' mangled-name='fwnode_graph_get_remote_endpoint' filepath='drivers/base/property.c' line='1097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_remote_endpoint'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1097' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_graph_get_remote_port_parent' mangled-name='fwnode_graph_get_remote_port_parent' filepath='drivers/base/property.c' line='1064' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_remote_port_parent'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1064' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_graph_parse_endpoint' mangled-name='fwnode_graph_parse_endpoint' filepath='drivers/base/property.c' line='1225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_parse_endpoint'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1225' column='1'/>
+        <parameter type-id='41b1c13c' name='endpoint' filepath='drivers/base/property.c' line='1226' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='fwnode_handle_get' mangled-name='fwnode_handle_get' filepath='drivers/base/property.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_handle_get'>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/base/property.c' line='814' column='1'/>
+        <return type-id='4a935625'/>
+      </function-decl>
+      <function-decl name='fwnode_handle_put' mangled-name='fwnode_handle_put' filepath='drivers/base/property.c' line='831' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_handle_put'>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/base/property.c' line='831' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='fwnode_property_get_reference_args' mangled-name='fwnode_property_get_reference_args' filepath='drivers/base/property.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_get_reference_args'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='477' column='1'/>
+        <parameter type-id='80f4b756' name='prop' filepath='drivers/base/property.c' line='478' column='1'/>
+        <parameter type-id='80f4b756' name='nargs_prop' filepath='drivers/base/property.c' line='478' column='1'/>
+        <parameter type-id='f0981eeb' name='nargs' filepath='drivers/base/property.c' line='479' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/base/property.c' line='479' column='1'/>
+        <parameter type-id='861f302a' name='args' filepath='drivers/base/property.c' line='480' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='fwnode_property_present' mangled-name='fwnode_property_present' filepath='drivers/base/property.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_present'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='46' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='47' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='fwnode_property_read_string' mangled-name='fwnode_property_read_string' filepath='drivers/base/property.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_read_string'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='401' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='402' column='1'/>
+        <parameter type-id='7d3cd834' name='val' filepath='drivers/base/property.c' line='402' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='fwnode_property_read_u32_array' mangled-name='fwnode_property_read_u32_array' filepath='drivers/base/property.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_read_u32_array'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='317' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='318' column='1'/>
+        <parameter type-id='f9409001' name='val' filepath='drivers/base/property.c' line='318' column='1'/>
+        <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='318' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='fwnode_property_read_u64_array' mangled-name='fwnode_property_read_u64_array' filepath='drivers/base/property.c' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_read_u64_array'>
+        <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='343' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='344' column='1'/>
+        <parameter type-id='3df9fd28' name='val' filepath='drivers/base/property.c' line='344' column='1'/>
+        <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='g_audio_cleanup' mangled-name='g_audio_cleanup' filepath='drivers/usb/gadget/function/u_audio.c' line='819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='g_audio_cleanup'>
+        <parameter type-id='36cb26c7' name='g_audio' filepath='drivers/usb/gadget/function/u_audio.c' line='819' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='g_audio_setup' mangled-name='g_audio_setup' filepath='drivers/usb/gadget/function/u_audio.c' line='683' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='g_audio_setup'>
+        <parameter type-id='36cb26c7' name='g_audio' filepath='drivers/usb/gadget/function/u_audio.c' line='683' column='1'/>
+        <parameter type-id='80f4b756' name='pcm_name' filepath='drivers/usb/gadget/function/u_audio.c' line='683' column='1'/>
+        <parameter type-id='80f4b756' name='card_name' filepath='drivers/usb/gadget/function/u_audio.c' line='684' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gcd' mangled-name='gcd' filepath='lib/math/gcd.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gcd'>
+        <parameter type-id='7359adad' name='a' filepath='lib/math/gcd.c' line='23' column='1'/>
+        <parameter type-id='7359adad' name='b' filepath='lib/math/gcd.c' line='23' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='gen_pool_add_owner' mangled-name='gen_pool_add_owner' filepath='lib/genalloc.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_add_owner'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='183' column='1'/>
+        <parameter type-id='7359adad' name='virt' filepath='lib/genalloc.c' line='183' column='1'/>
+        <parameter type-id='2522883d' name='phys' filepath='lib/genalloc.c' line='183' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='184' column='1'/>
+        <parameter type-id='95e97e5e' name='nid' filepath='lib/genalloc.c' line='184' column='1'/>
+        <parameter type-id='eaa32e2f' name='owner' filepath='lib/genalloc.c' line='184' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gen_pool_alloc_algo_owner' mangled-name='gen_pool_alloc_algo_owner' filepath='lib/genalloc.c' line='276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_alloc_algo_owner'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='276' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='276' column='1'/>
+        <parameter type-id='00278b91' name='algo' filepath='lib/genalloc.c' line='277' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='277' column='1'/>
+        <parameter type-id='63e171df' name='owner' filepath='lib/genalloc.c' line='277' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='gen_pool_avail' mangled-name='gen_pool_avail' filepath='lib/genalloc.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_avail'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='579' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='gen_pool_best_fit' mangled-name='gen_pool_best_fit' filepath='lib/genalloc.c' line='748' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_best_fit'>
+        <parameter type-id='1d2c2b85' name='map' filepath='lib/genalloc.c' line='748' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='lib/genalloc.c' line='748' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='lib/genalloc.c' line='749' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='lib/genalloc.c' line='749' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='749' column='1'/>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='750' column='1'/>
+        <parameter type-id='7359adad' name='start_addr' filepath='lib/genalloc.c' line='750' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='gen_pool_create' mangled-name='gen_pool_create' filepath='lib/genalloc.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_create'>
+        <parameter type-id='95e97e5e' name='min_alloc_order' filepath='lib/genalloc.c' line='152' column='1'/>
+        <parameter type-id='95e97e5e' name='nid' filepath='lib/genalloc.c' line='152' column='1'/>
+        <return type-id='75b9415a'/>
+      </function-decl>
+      <function-decl name='gen_pool_destroy' mangled-name='gen_pool_destroy' filepath='lib/genalloc.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_destroy'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='241' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gen_pool_dma_alloc_align' mangled-name='gen_pool_dma_alloc_align' filepath='lib/genalloc.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_dma_alloc_align'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='394' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='394' column='1'/>
+        <parameter type-id='e835b5d8' name='dma' filepath='lib/genalloc.c' line='395' column='1'/>
+        <parameter type-id='95e97e5e' name='align' filepath='lib/genalloc.c' line='395' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='gen_pool_dma_zalloc_align' mangled-name='gen_pool_dma_zalloc_align' filepath='lib/genalloc.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_dma_zalloc_align'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='465' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='465' column='1'/>
+        <parameter type-id='e835b5d8' name='dma' filepath='lib/genalloc.c' line='466' column='1'/>
+        <parameter type-id='95e97e5e' name='align' filepath='lib/genalloc.c' line='466' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='gen_pool_first_fit_align' mangled-name='gen_pool_first_fit_align' filepath='lib/genalloc.c' line='663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_first_fit_align'>
+        <parameter type-id='1d2c2b85' name='map' filepath='lib/genalloc.c' line='663' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='lib/genalloc.c' line='663' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='lib/genalloc.c' line='664' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='lib/genalloc.c' line='664' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='664' column='1'/>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='665' column='1'/>
+        <parameter type-id='7359adad' name='start_addr' filepath='lib/genalloc.c' line='665' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='gen_pool_free_owner' mangled-name='gen_pool_free_owner' filepath='lib/genalloc.c' line='486' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_free_owner'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='486' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='lib/genalloc.c' line='486' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='486' column='1'/>
+        <parameter type-id='63e171df' name='owner' filepath='lib/genalloc.c' line='487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gen_pool_has_addr' mangled-name='gen_pool_has_addr' filepath='lib/genalloc.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_has_addr'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='552' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='lib/genalloc.c' line='552' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='553' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='gen_pool_set_algo' mangled-name='gen_pool_set_algo' filepath='lib/genalloc.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_set_algo'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='621' column='1'/>
+        <parameter type-id='00278b91' name='algo' filepath='lib/genalloc.c' line='621' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='621' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gen_pool_size' mangled-name='gen_pool_size' filepath='lib/genalloc.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_size'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='598' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='gen_pool_virt_to_phys' mangled-name='gen_pool_virt_to_phys' filepath='lib/genalloc.c' line='216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_virt_to_phys'>
+        <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='216' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='lib/genalloc.c' line='216' column='1'/>
+        <return type-id='2522883d'/>
+      </function-decl>
+      <function-decl name='generic_delete_inode' mangled-name='generic_delete_inode' filepath='fs/inode.c' line='1641' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_delete_inode'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/inode.c' line='1641' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='generic_device_group' mangled-name='generic_device_group' filepath='drivers/iommu/iommu.c' line='1403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_device_group'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1403' column='1'/>
+        <return type-id='0b19fc54'/>
+      </function-decl>
+      <function-decl name='generic_file_llseek' mangled-name='generic_file_llseek' filepath='fs/read_write.c' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_file_llseek'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='144' column='1'/>
+        <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='144' column='1'/>
+        <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='144' column='1'/>
+        <return type-id='69bf7bee'/>
+      </function-decl>
+      <function-decl name='generic_file_read_iter' mangled-name='generic_file_read_iter' filepath='mm/filemap.c' line='2518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_file_read_iter'>
+        <parameter type-id='80f25feb' name='iocb' filepath='mm/filemap.c' line='2518' column='1'/>
+        <parameter type-id='4fa10f9e' name='iter' filepath='mm/filemap.c' line='2518' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='generic_handle_irq' mangled-name='generic_handle_irq' filepath='kernel/irq/irqdesc.c' line='643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_handle_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/irqdesc.c' line='643' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='generic_iommu_put_resv_regions' mangled-name='generic_iommu_put_resv_regions' filepath='drivers/iommu/iommu.c' line='2835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_iommu_put_resv_regions'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2835' column='1'/>
+        <parameter type-id='e84b031a' name='list' filepath='drivers/iommu/iommu.c' line='2835' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='generic_mii_ioctl' mangled-name='generic_mii_ioctl' filepath='drivers/net/mii.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_mii_ioctl'>
+        <parameter type-id='f0150b1d' name='mii_if' filepath='drivers/net/mii.c' line='584' column='1'/>
+        <parameter type-id='eb5662e5' name='mii_data' filepath='drivers/net/mii.c' line='585' column='1'/>
+        <parameter type-id='95e97e5e' name='cmd' filepath='drivers/net/mii.c' line='585' column='1'/>
+        <parameter type-id='807869d3' name='duplex_chg_out' filepath='drivers/net/mii.c' line='586' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genl_notify' mangled-name='genl_notify' filepath='net/netlink/genetlink.c' line='1465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genl_notify'>
+        <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='1465' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/genetlink.c' line='1465' column='1'/>
+        <parameter type-id='31b542ce' name='info' filepath='net/netlink/genetlink.c' line='1466' column='1'/>
+        <parameter type-id='19c2251e' name='group' filepath='net/netlink/genetlink.c' line='1466' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='net/netlink/genetlink.c' line='1466' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='genl_register_family' mangled-name='genl_register_family' filepath='net/netlink/genetlink.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genl_register_family'>
+        <parameter type-id='8f6b937a' name='family' filepath='net/netlink/genetlink.c' line='392' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genl_unregister_family' mangled-name='genl_unregister_family' filepath='net/netlink/genetlink.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genl_unregister_family'>
+        <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='461' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genlmsg_multicast_allns' mangled-name='genlmsg_multicast_allns' filepath='net/netlink/genetlink.c' line='1454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genlmsg_multicast_allns'>
+        <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='1454' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/genetlink.c' line='1455' column='1'/>
+        <parameter type-id='19c2251e' name='portid' filepath='net/netlink/genetlink.c' line='1455' column='1'/>
+        <parameter type-id='f0981eeb' name='group' filepath='net/netlink/genetlink.c' line='1456' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='net/netlink/genetlink.c' line='1456' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genlmsg_put' mangled-name='genlmsg_put' filepath='net/netlink/genetlink.c' line='496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genlmsg_put'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/genetlink.c' line='496' column='1'/>
+        <parameter type-id='19c2251e' name='portid' filepath='net/netlink/genetlink.c' line='496' column='1'/>
+        <parameter type-id='19c2251e' name='seq' filepath='net/netlink/genetlink.c' line='496' column='1'/>
+        <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='497' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/netlink/genetlink.c' line='497' column='1'/>
+        <parameter type-id='f9b06939' name='cmd' filepath='net/netlink/genetlink.c' line='497' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='genphy_read_abilities' mangled-name='genphy_read_abilities' filepath='drivers/net/phy/phy_device.c' line='2464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_read_abilities'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2464' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genphy_read_mmd_unsupported' mangled-name='genphy_read_mmd_unsupported' filepath='drivers/net/phy/phy_device.c' line='2509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_read_mmd_unsupported'>
+        <parameter type-id='7efbcaaf' name='phdev' filepath='drivers/net/phy/phy_device.c' line='2509' column='1'/>
+        <parameter type-id='95e97e5e' name='devad' filepath='drivers/net/phy/phy_device.c' line='2509' column='1'/>
+        <parameter type-id='1dc6a898' name='regnum' filepath='drivers/net/phy/phy_device.c' line='2509' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genphy_read_status' mangled-name='genphy_read_status' filepath='drivers/net/phy/phy_device.c' line='2321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_read_status'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2321' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genphy_resume' mangled-name='genphy_resume' filepath='drivers/net/phy/phy_device.c' line='2528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_resume'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2528' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genphy_soft_reset' mangled-name='genphy_soft_reset' filepath='drivers/net/phy/phy_device.c' line='2425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_soft_reset'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2425' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genphy_suspend' mangled-name='genphy_suspend' filepath='drivers/net/phy/phy_device.c' line='2522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_suspend'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2522' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='genphy_write_mmd_unsupported' mangled-name='genphy_write_mmd_unsupported' filepath='drivers/net/phy/phy_device.c' line='2515' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_write_mmd_unsupported'>
+        <parameter type-id='7efbcaaf' name='phdev' filepath='drivers/net/phy/phy_device.c' line='2515' column='1'/>
+        <parameter type-id='95e97e5e' name='devnum' filepath='drivers/net/phy/phy_device.c' line='2515' column='1'/>
+        <parameter type-id='1dc6a898' name='regnum' filepath='drivers/net/phy/phy_device.c' line='2516' column='1'/>
+        <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/phy_device.c' line='2516' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_cpu_device' mangled-name='get_cpu_device' filepath='drivers/base/cpu.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_device'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/base/cpu.c' line='391' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='get_cpu_idle_time' mangled-name='get_cpu_idle_time' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_idle_time'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1'/>
+        <parameter type-id='3df9fd28' name='wall' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1'/>
+        <parameter type-id='95e97e5e' name='io_busy' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='get_cpu_idle_time_us' mangled-name='get_cpu_idle_time_us' filepath='kernel/time/tick-sched.c' line='649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_idle_time_us'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/tick-sched.c' line='649' column='1'/>
+        <parameter type-id='3df9fd28' name='last_update_time' filepath='kernel/time/tick-sched.c' line='649' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='get_cpu_iowait_time_us' mangled-name='get_cpu_iowait_time_us' filepath='kernel/time/tick-sched.c' line='690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_iowait_time_us'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/tick-sched.c' line='690' column='1'/>
+        <parameter type-id='3df9fd28' name='last_update_time' filepath='kernel/time/tick-sched.c' line='690' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='get_device' mangled-name='get_device' filepath='drivers/base/core.c' line='3340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3340' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='get_device_system_crosststamp' mangled-name='get_device_system_crosststamp' filepath='kernel/time/timekeeping.c' line='1193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_device_system_crosststamp'>
+        <parameter type-id='d5d36d38' name='get_time_fn' filepath='kernel/time/timekeeping.c' line='1193' column='1'/>
+        <parameter type-id='eaa32e2f' name='ctx' filepath='kernel/time/timekeeping.c' line='1197' column='1'/>
+        <parameter type-id='9e33b18d' name='history_begin' filepath='kernel/time/timekeeping.c' line='1198' column='1'/>
+        <parameter type-id='587b4de3' name='xtstamp' filepath='kernel/time/timekeeping.c' line='1199' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_governor_parent_kobj' mangled-name='get_governor_parent_kobj' filepath='drivers/cpufreq/cpufreq.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_governor_parent_kobj'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='118' column='1'/>
+        <return type-id='d30bdc51'/>
+      </function-decl>
+      <function-decl name='get_kernel_pages' mangled-name='get_kernel_pages' filepath='mm/swap.c' line='171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_kernel_pages'>
+        <parameter type-id='5199c30d' name='kiov' filepath='mm/swap.c' line='171' column='1'/>
+        <parameter type-id='95e97e5e' name='nr_segs' filepath='mm/swap.c' line='171' column='1'/>
+        <parameter type-id='95e97e5e' name='write' filepath='mm/swap.c' line='171' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/swap.c' line='172' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_mm_exe_file' mangled-name='get_mm_exe_file' filepath='kernel/fork.c' line='1235' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_mm_exe_file'>
+        <parameter type-id='df4b7819' name='mm' filepath='kernel/fork.c' line='1235' column='1'/>
+        <return type-id='77e79a4b'/>
+      </function-decl>
+      <function-decl name='get_next_ino' mangled-name='get_next_ino' filepath='fs/inode.c' line='893' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_next_ino'>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='get_pfnblock_flags_mask' mangled-name='get_pfnblock_flags_mask' filepath='mm/page_alloc.c' line='525' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_pfnblock_flags_mask'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='525' column='1'/>
+        <parameter type-id='7359adad' name='pfn' filepath='mm/page_alloc.c' line='525' column='1'/>
+        <parameter type-id='7359adad' name='mask' filepath='mm/page_alloc.c' line='526' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='get_pid_task' mangled-name='get_pid_task' filepath='kernel/pid.c' line='452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_pid_task'>
+        <parameter type-id='b94e5398' name='pid' filepath='kernel/pid.c' line='452' column='1'/>
+        <parameter type-id='ce78cf46' name='type' filepath='kernel/pid.c' line='452' column='1'/>
+        <return type-id='f23e2572'/>
+      </function-decl>
+      <function-decl name='get_random_bytes' mangled-name='get_random_bytes' filepath='drivers/char/random.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_random_bytes'>
+        <parameter type-id='eaa32e2f' name='buf' filepath='drivers/char/random.c' line='444' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/char/random.c' line='444' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='get_random_bytes_arch' mangled-name='get_random_bytes_arch' filepath='drivers/char/random.c' line='588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_random_bytes_arch'>
+        <parameter type-id='eaa32e2f' name='buf' filepath='drivers/char/random.c' line='588' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/char/random.c' line='588' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_random_u32' mangled-name='get_random_u32' filepath='drivers/char/random.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_random_u32'>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='get_sg_io_hdr' mangled-name='get_sg_io_hdr' filepath='block/scsi_ioctl.c' line='591' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_sg_io_hdr'>
+        <parameter type-id='75d4b09d' name='hdr' filepath='block/scsi_ioctl.c' line='591' column='1'/>
+        <parameter type-id='eaa32e2f' name='argp' filepath='block/scsi_ioctl.c' line='591' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_task_cred' mangled-name='get_task_cred' filepath='kernel/cred.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_task_cred'>
+        <parameter type-id='f23e2572' name='task' filepath='kernel/cred.c' line='196' column='1'/>
+        <return type-id='bc33861a'/>
+      </function-decl>
+      <function-decl name='get_task_exe_file' mangled-name='get_task_exe_file' filepath='kernel/fork.c' line='1255' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_task_exe_file'>
+        <parameter type-id='f23e2572' name='task' filepath='kernel/fork.c' line='1255' column='1'/>
+        <return type-id='77e79a4b'/>
+      </function-decl>
+      <function-decl name='get_task_mm' mangled-name='get_task_mm' filepath='kernel/fork.c' line='1280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_task_mm'>
+        <parameter type-id='f23e2572' name='task' filepath='kernel/fork.c' line='1280' column='1'/>
+        <return type-id='df4b7819'/>
+      </function-decl>
+      <function-decl name='get_thermal_instance' mangled-name='get_thermal_instance' filepath='drivers/thermal/thermal_helpers.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_thermal_instance'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_helpers.c' line='45' column='1'/>
+        <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/thermal_helpers.c' line='46' column='1'/>
+        <parameter type-id='95e97e5e' name='trip' filepath='drivers/thermal/thermal_helpers.c' line='46' column='1'/>
+        <return type-id='7bf821a0'/>
+      </function-decl>
+      <function-decl name='get_tree_single' mangled-name='get_tree_single' filepath='fs/super.c' line='1235' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_tree_single'>
+        <parameter type-id='5760dcb0' name='fc' filepath='fs/super.c' line='1235' column='1'/>
+        <parameter type-id='30341fa1' name='fill_super' filepath='fs/super.c' line='1236' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_unused_fd_flags' mangled-name='get_unused_fd_flags' filepath='fs/file.c' line='592' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_unused_fd_flags'>
+        <parameter type-id='f0981eeb' name='flags' filepath='fs/file.c' line='592' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_user_pages' mangled-name='get_user_pages' filepath='mm/gup.c' line='1898' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_user_pages'>
+        <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='1898' column='1'/>
+        <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='1898' column='1'/>
+        <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='1899' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='1899' column='1'/>
+        <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='1900' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='get_user_pages_fast' mangled-name='get_user_pages_fast' filepath='mm/gup.c' line='2835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_user_pages_fast'>
+        <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2835' column='1'/>
+        <parameter type-id='95e97e5e' name='nr_pages' filepath='mm/gup.c' line='2835' column='1'/>
+        <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2836' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2836' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_user_pages_remote' mangled-name='get_user_pages_remote' filepath='mm/gup.c' line='1851' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_user_pages_remote'>
+        <parameter type-id='df4b7819' name='mm' filepath='mm/gup.c' line='1851' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='1852' column='1'/>
+        <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='1852' column='1'/>
+        <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='1853' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='1853' column='1'/>
+        <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='1854' column='1'/>
+        <parameter type-id='7292109c' name='locked' filepath='mm/gup.c' line='1854' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='get_vaddr_frames' mangled-name='get_vaddr_frames' filepath='mm/frame_vector.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_vaddr_frames'>
+        <parameter type-id='7359adad' name='start' filepath='mm/frame_vector.c' line='38' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_frames' filepath='mm/frame_vector.c' line='38' column='1'/>
+        <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/frame_vector.c' line='39' column='1'/>
+        <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='39' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='get_zeroed_page' mangled-name='get_zeroed_page' filepath='mm/page_alloc.c' line='5396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_zeroed_page'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/page_alloc.c' line='5396' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='gether_cleanup' mangled-name='gether_cleanup' filepath='drivers/usb/gadget/function/u_ether.c' line='1059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_cleanup'>
+        <parameter type-id='a15a118e' name='dev' filepath='drivers/usb/gadget/function/u_ether.c' line='1059' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gether_connect' mangled-name='gether_connect' filepath='drivers/usb/gadget/function/u_ether.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_connect'>
+        <parameter type-id='04b6a8dc' name='link' filepath='drivers/usb/gadget/function/u_ether.c' line='1086' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='gether_disconnect' mangled-name='gether_disconnect' filepath='drivers/usb/gadget/function/u_ether.c' line='1164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_disconnect'>
+        <parameter type-id='04b6a8dc' name='link' filepath='drivers/usb/gadget/function/u_ether.c' line='1164' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gether_get_dev_addr' mangled-name='gether_get_dev_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_get_dev_addr'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='924' column='1'/>
+        <parameter type-id='26a90f95' name='dev_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='924' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/usb/gadget/function/u_ether.c' line='924' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gether_get_host_addr' mangled-name='gether_get_host_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_get_host_addr'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='953' column='1'/>
+        <parameter type-id='26a90f95' name='host_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='953' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/usb/gadget/function/u_ether.c' line='953' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gether_get_host_addr_u8' mangled-name='gether_get_host_addr_u8' filepath='drivers/usb/gadget/function/u_ether.c' line='985' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_get_host_addr_u8'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='985' column='1'/>
+        <parameter type-id='8bff8096' name='host_mac' filepath='drivers/usb/gadget/function/u_ether.c' line='985' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gether_get_ifname' mangled-name='gether_get_ifname' filepath='drivers/usb/gadget/function/u_ether.c' line='1012' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_get_ifname'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='1012' column='1'/>
+        <parameter type-id='26a90f95' name='name' filepath='drivers/usb/gadget/function/u_ether.c' line='1012' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/usb/gadget/function/u_ether.c' line='1012' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gether_get_qmult' mangled-name='gether_get_qmult' filepath='drivers/usb/gadget/function/u_ether.c' line='1003' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_get_qmult'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='1003' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='gether_register_netdev' mangled-name='gether_register_netdev' filepath='drivers/usb/gadget/function/u_ether.c' line='868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_register_netdev'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='868' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gether_set_dev_addr' mangled-name='gether_set_dev_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='910' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_set_dev_addr'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='910' column='1'/>
+        <parameter type-id='80f4b756' name='dev_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='910' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gether_set_gadget' mangled-name='gether_set_gadget' filepath='drivers/usb/gadget/function/u_ether.c' line='900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_set_gadget'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='900' column='1'/>
+        <parameter type-id='49a58c0c' name='g' filepath='drivers/usb/gadget/function/u_ether.c' line='900' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gether_set_host_addr' mangled-name='gether_set_host_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='940' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_set_host_addr'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='940' column='1'/>
+        <parameter type-id='80f4b756' name='host_addr' filepath='drivers/usb/gadget/function/u_ether.c' line='940' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gether_set_ifname' mangled-name='gether_set_ifname' filepath='drivers/usb/gadget/function/u_ether.c' line='1025' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_set_ifname'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='1025' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/usb/gadget/function/u_ether.c' line='1025' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/usb/gadget/function/u_ether.c' line='1025' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gether_set_qmult' mangled-name='gether_set_qmult' filepath='drivers/usb/gadget/function/u_ether.c' line='994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_set_qmult'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/usb/gadget/function/u_ether.c' line='994' column='1'/>
+        <parameter type-id='f0981eeb' name='qmult' filepath='drivers/usb/gadget/function/u_ether.c' line='994' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gether_setup_name_default' mangled-name='gether_setup_name_default' filepath='drivers/usb/gadget/function/u_ether.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gether_setup_name_default'>
+        <parameter type-id='80f4b756' name='netname' filepath='drivers/usb/gadget/function/u_ether.c' line='824' column='1'/>
+        <return type-id='68a2d05b'/>
+      </function-decl>
+      <function-decl name='gf128mul_lle' mangled-name='gf128mul_lle' filepath='crypto/gf128mul.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gf128mul_lle'>
+        <parameter type-id='342f43d1' name='r' filepath='crypto/gf128mul.c' line='170' column='1'/>
+        <parameter type-id='2a82ed9c' name='b' filepath='crypto/gf128mul.c' line='170' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='gic_nonsecure_priorities' type-id='237c0d27' mangled-name='gic_nonsecure_priorities' visibility='default' filepath='drivers/irqchip/irq-gic-v3.c' line='94' column='1' elf-symbol-id='gic_nonsecure_priorities'/>
+      <function-decl name='glob_match' mangled-name='glob_match' filepath='lib/glob.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='glob_match'>
+        <parameter type-id='80f4b756' name='pat' filepath='lib/glob.c' line='40' column='1'/>
+        <parameter type-id='80f4b756' name='str' filepath='lib/glob.c' line='40' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='gov_attr_set_get' mangled-name='gov_attr_set_get' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_attr_set_get'>
+        <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='57' column='1'/>
+        <parameter type-id='e84b031a' name='list_node' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='57' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gov_attr_set_init' mangled-name='gov_attr_set_init' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_attr_set_init'>
+        <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='48' column='1'/>
+        <parameter type-id='e84b031a' name='list_node' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='48' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gov_attr_set_put' mangled-name='gov_attr_set_put' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_attr_set_put'>
+        <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='66' column='1'/>
+        <parameter type-id='e84b031a' name='list_node' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='66' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='gov_update_cpu_data' mangled-name='gov_update_cpu_data' filepath='drivers/cpufreq/cpufreq_governor.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_update_cpu_data'>
+        <parameter type-id='280461d5' name='dbs_data' filepath='drivers/cpufreq/cpufreq_governor.c' line='95' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='governor_sysfs_ops' type-id='0f840455' mangled-name='governor_sysfs_ops' visibility='default' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='42' column='1' elf-symbol-id='governor_sysfs_ops'/>
+      <function-decl name='gpio_free' mangled-name='gpio_free' filepath='drivers/gpio/gpiolib-legacy.c' line='9' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_free'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-legacy.c' line='9' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpio_request' mangled-name='gpio_request' filepath='drivers/gpio/gpiolib-legacy.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_request'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-legacy.c' line='68' column='1'/>
+        <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-legacy.c' line='68' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpio_request_one' mangled-name='gpio_request_one' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_request_one'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1'/>
+        <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpio_to_desc' mangled-name='gpio_to_desc' filepath='drivers/gpio/gpiolib.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_to_desc'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib.c' line='108' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='gpiochip_add_data_with_key' mangled-name='gpiochip_add_data_with_key' filepath='drivers/gpio/gpiolib.c' line='570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_add_data_with_key'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='570' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpio/gpiolib.c' line='570' column='1'/>
+        <parameter type-id='a57283f9' name='lock_key' filepath='drivers/gpio/gpiolib.c' line='571' column='1'/>
+        <parameter type-id='a57283f9' name='request_key' filepath='drivers/gpio/gpiolib.c' line='572' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiochip_add_pin_range' mangled-name='gpiochip_add_pin_range' filepath='drivers/gpio/gpiolib.c' line='1936' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_add_pin_range'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1936' column='1'/>
+        <parameter type-id='80f4b756' name='pinctl_name' filepath='drivers/gpio/gpiolib.c' line='1936' column='1'/>
+        <parameter type-id='f0981eeb' name='gpio_offset' filepath='drivers/gpio/gpiolib.c' line='1937' column='1'/>
+        <parameter type-id='f0981eeb' name='pin_offset' filepath='drivers/gpio/gpiolib.c' line='1937' column='1'/>
+        <parameter type-id='f0981eeb' name='npins' filepath='drivers/gpio/gpiolib.c' line='1938' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiochip_generic_config' mangled-name='gpiochip_generic_config' filepath='drivers/gpio/gpiolib.c' line='1857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_generic_config'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1857' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='1857' column='1'/>
+        <parameter type-id='7359adad' name='config' filepath='drivers/gpio/gpiolib.c' line='1858' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiochip_generic_free' mangled-name='gpiochip_generic_free' filepath='drivers/gpio/gpiolib.c' line='1840' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_generic_free'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1840' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='1840' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiochip_generic_request' mangled-name='gpiochip_generic_request' filepath='drivers/gpio/gpiolib.c' line='1824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_generic_request'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1824' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='1824' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiochip_get_data' mangled-name='gpiochip_get_data' filepath='drivers/gpio/gpiolib.c' line='802' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_get_data'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='802' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='gpiochip_line_is_valid' mangled-name='gpiochip_line_is_valid' filepath='drivers/gpio/gpiolib.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_line_is_valid'>
+        <parameter type-id='a171e66c' name='gc' filepath='drivers/gpio/gpiolib.c' line='461' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='462' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='gpiochip_lock_as_irq' mangled-name='gpiochip_lock_as_irq' filepath='drivers/gpio/gpiolib.c' line='3258' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_lock_as_irq'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='3258' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='3258' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiochip_populate_parent_fwspec_fourcell' mangled-name='gpiochip_populate_parent_fwspec_fourcell' filepath='drivers/gpio/gpiolib.c' line='1265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_populate_parent_fwspec_fourcell'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1265' column='1'/>
+        <parameter type-id='f0981eeb' name='parent_hwirq' filepath='drivers/gpio/gpiolib.c' line='1266' column='1'/>
+        <parameter type-id='f0981eeb' name='parent_type' filepath='drivers/gpio/gpiolib.c' line='1267' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='gpiochip_remove' mangled-name='gpiochip_remove' filepath='drivers/gpio/gpiolib.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_remove'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='814' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiochip_unlock_as_irq' mangled-name='gpiochip_unlock_as_irq' filepath='drivers/gpio/gpiolib.c' line='3312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_unlock_as_irq'>
+        <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='3312' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='3312' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiod_cansleep' mangled-name='gpiod_cansleep' filepath='drivers/gpio/gpiolib.c' line='3177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_cansleep'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3177' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_count' mangled-name='gpiod_count' filepath='drivers/gpio/gpiolib.c' line='3843' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_count'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib.c' line='3843' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib.c' line='3843' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_direction_input' mangled-name='gpiod_direction_input' filepath='drivers/gpio/gpiolib.c' line='2336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_direction_input'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_direction_output' mangled-name='gpiod_direction_output' filepath='drivers/gpio/gpiolib.c' line='2455' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_direction_output'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2455' column='1'/>
+        <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='2455' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_direction_output_raw' mangled-name='gpiod_direction_output_raw' filepath='drivers/gpio/gpiolib.c' line='2436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_direction_output_raw'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2436' column='1'/>
+        <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='2436' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_get_array' mangled-name='gpiod_get_array' filepath='drivers/gpio/gpiolib.c' line='4214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_array'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib.c' line='4214' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib.c' line='4215' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib.c' line='4216' column='1'/>
+        <return type-id='58a5c6a3'/>
+      </function-decl>
+      <function-decl name='gpiod_get_optional' mangled-name='gpiod_get_optional' filepath='drivers/gpio/gpiolib.c' line='3886' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib.c' line='3886' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib.c' line='3887' column='1'/>
+        <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib.c' line='3888' column='1'/>
+        <return type-id='26760480'/>
+      </function-decl>
+      <function-decl name='gpiod_get_raw_value' mangled-name='gpiod_get_raw_value' filepath='drivers/gpio/gpiolib.c' line='2786' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_raw_value'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='2786' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_get_raw_value_cansleep' mangled-name='gpiod_get_raw_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_raw_value_cansleep'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3425' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_get_value' mangled-name='gpiod_get_value' filepath='drivers/gpio/gpiolib.c' line='2805' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_value'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='2805' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_get_value_cansleep' mangled-name='gpiod_get_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_value_cansleep'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3442' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_is_active_low' mangled-name='gpiod_is_active_low' filepath='drivers/gpio/gpiolib.c' line='2601' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_is_active_low'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='2601' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_put' mangled-name='gpiod_put' filepath='drivers/gpio/gpiolib.c' line='4358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_put'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='4358' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiod_put_array' mangled-name='gpiod_put_array' filepath='drivers/gpio/gpiolib.c' line='4369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_put_array'>
+        <parameter type-id='58a5c6a3' name='descs' filepath='drivers/gpio/gpiolib.c' line='4369' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiod_set_array_value_cansleep' mangled-name='gpiod_set_array_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_array_value_cansleep'>
+        <parameter type-id='f0981eeb' name='array_size' filepath='drivers/gpio/gpiolib.c' line='3602' column='1'/>
+        <parameter type-id='35c9579e' name='desc_array' filepath='drivers/gpio/gpiolib.c' line='3603' column='1'/>
+        <parameter type-id='ae0aa6a2' name='array_info' filepath='drivers/gpio/gpiolib.c' line='3604' column='1'/>
+        <parameter type-id='1d2c2b85' name='value_bitmap' filepath='drivers/gpio/gpiolib.c' line='3605' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_set_consumer_name' mangled-name='gpiod_set_consumer_name' filepath='drivers/gpio/gpiolib.c' line='3189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_consumer_name'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3189' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/gpio/gpiolib.c' line='3189' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_set_debounce' mangled-name='gpiod_set_debounce' filepath='drivers/gpio/gpiolib.c' line='2545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_debounce'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2545' column='1'/>
+        <parameter type-id='f0981eeb' name='debounce' filepath='drivers/gpio/gpiolib.c' line='2545' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gpiod_set_raw_value' mangled-name='gpiod_set_raw_value' filepath='drivers/gpio/gpiolib.c' line='3071' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_raw_value'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3071' column='1'/>
+        <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3071' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiod_set_raw_value_cansleep' mangled-name='gpiod_set_raw_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_raw_value_cansleep'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3522' column='1'/>
+        <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3522' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiod_set_value' mangled-name='gpiod_set_value' filepath='drivers/gpio/gpiolib.c' line='3112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_value'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3112' column='1'/>
+        <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3112' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiod_set_value_cansleep' mangled-name='gpiod_set_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_value_cansleep'>
+        <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3540' column='1'/>
+        <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3540' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='gpiod_to_irq' mangled-name='gpiod_to_irq' filepath='drivers/gpio/gpiolib.c' line='3212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_to_irq'>
+        <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3212' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gserial_alloc_line' mangled-name='gserial_alloc_line' filepath='drivers/usb/gadget/function/u_serial.c' line='1271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gserial_alloc_line'>
+        <parameter type-id='cf536864' name='line_num' filepath='drivers/usb/gadget/function/u_serial.c' line='1271' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gserial_connect' mangled-name='gserial_connect' filepath='drivers/usb/gadget/function/u_serial.c' line='1303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gserial_connect'>
+        <parameter type-id='3921c1a0' name='gser' filepath='drivers/usb/gadget/function/u_serial.c' line='1303' column='1'/>
+        <parameter type-id='f9b06939' name='port_num' filepath='drivers/usb/gadget/function/u_serial.c' line='1303' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='gserial_disconnect' mangled-name='gserial_disconnect' filepath='drivers/usb/gadget/function/u_serial.c' line='1379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gserial_disconnect'>
+        <parameter type-id='3921c1a0' name='gser' filepath='drivers/usb/gadget/function/u_serial.c' line='1379' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='guid_gen' mangled-name='guid_gen' filepath='lib/uuid.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='guid_gen'>
+        <parameter type-id='e8a80ab7' name='lu' filepath='lib/uuid.c' line='60' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_bad_irq' mangled-name='handle_bad_irq' filepath='kernel/irq/handle.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_bad_irq'>
+        <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/handle.c' line='31' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_edge_irq' mangled-name='handle_edge_irq' filepath='kernel/irq/chip.c' line='793' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_edge_irq'>
+        <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='793' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_fasteoi_ack_irq' mangled-name='handle_fasteoi_ack_irq' filepath='kernel/irq/chip.c' line='1248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_fasteoi_ack_irq'>
+        <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='1248' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_fasteoi_irq' mangled-name='handle_fasteoi_irq' filepath='kernel/irq/chip.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_fasteoi_irq'>
+        <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='707' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_level_irq' mangled-name='handle_level_irq' filepath='kernel/irq/chip.c' line='648' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_level_irq'>
+        <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='648' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_nested_irq' mangled-name='handle_nested_irq' filepath='kernel/irq/chip.c' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_nested_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='462' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_simple_irq' mangled-name='handle_simple_irq' filepath='kernel/irq/chip.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_simple_irq'>
+        <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='556' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='handle_sysrq' mangled-name='handle_sysrq' filepath='drivers/tty/sysrq.c' line='637' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_sysrq'>
+        <parameter type-id='95e97e5e' name='key' filepath='drivers/tty/sysrq.c' line='637' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hashlen_string' mangled-name='hashlen_string' filepath='fs/namei.c' line='2088' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hashlen_string'>
+        <parameter type-id='eaa32e2f' name='salt' filepath='fs/namei.c' line='2088' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/namei.c' line='2088' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='have_governor_per_policy' mangled-name='have_governor_per_policy' filepath='drivers/cpufreq/cpufreq.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='have_governor_per_policy'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='hci_alloc_dev' mangled-name='hci_alloc_dev' filepath='net/bluetooth/hci_core.c' line='3590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_alloc_dev'>
+        <return type-id='9ad862e7'/>
+      </function-decl>
+      <function-decl name='hci_cmd_sync' mangled-name='hci_cmd_sync' filepath='net/bluetooth/hci_core.c' line='4137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_cmd_sync'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='4137' column='1'/>
+        <parameter type-id='1dc6a898' name='opcode' filepath='net/bluetooth/hci_core.c' line='4137' column='1'/>
+        <parameter type-id='19c2251e' name='plen' filepath='net/bluetooth/hci_core.c' line='4137' column='1'/>
+        <parameter type-id='eaa32e2f' name='param' filepath='net/bluetooth/hci_core.c' line='4138' column='1'/>
+        <parameter type-id='19c2251e' name='timeout' filepath='net/bluetooth/hci_core.c' line='4138' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='hci_free_dev' mangled-name='hci_free_dev' filepath='net/bluetooth/hci_core.c' line='3702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_free_dev'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3702' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hci_recv_diag' mangled-name='hci_recv_diag' filepath='net/bluetooth/hci_core.c' line='3966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_recv_diag'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3966' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/bluetooth/hci_core.c' line='3966' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hci_recv_frame' mangled-name='hci_recv_frame' filepath='net/bluetooth/hci_core.c' line='3936' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_recv_frame'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3936' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/bluetooth/hci_core.c' line='3936' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hci_register_dev' mangled-name='hci_register_dev' filepath='net/bluetooth/hci_core.c' line='3710' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_register_dev'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3710' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hci_unregister_dev' mangled-name='hci_unregister_dev' filepath='net/bluetooth/hci_core.c' line='3826' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_unregister_dev'>
+        <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3826' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hdmi_audio_infoframe_init' mangled-name='hdmi_audio_infoframe_init' filepath='drivers/video/hdmi.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_audio_infoframe_init'>
+        <parameter type-id='309bd9ee' name='frame' filepath='drivers/video/hdmi.c' line='349' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hdmi_audio_infoframe_pack' mangled-name='hdmi_audio_infoframe_pack' filepath='drivers/video/hdmi.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_audio_infoframe_pack'>
+        <parameter type-id='309bd9ee' name='frame' filepath='drivers/video/hdmi.c' line='465' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='466' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='466' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='hdmi_avi_infoframe_init' mangled-name='hdmi_avi_infoframe_init' filepath='drivers/video/hdmi.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_avi_infoframe_init'>
+        <parameter type-id='19ddc3a6' name='frame' filepath='drivers/video/hdmi.c' line='57' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hdmi_avi_infoframe_pack' mangled-name='hdmi_avi_infoframe_pack' filepath='drivers/video/hdmi.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_avi_infoframe_pack'>
+        <parameter type-id='19ddc3a6' name='frame' filepath='drivers/video/hdmi.c' line='200' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='201' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='201' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='hdmi_avi_infoframe_pack_only' mangled-name='hdmi_avi_infoframe_pack_only' filepath='drivers/video/hdmi.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_avi_infoframe_pack_only'>
+        <parameter type-id='93908da9' name='frame' filepath='drivers/video/hdmi.c' line='109' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='110' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='110' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='hdmi_drm_infoframe_pack' mangled-name='hdmi_drm_infoframe_pack' filepath='drivers/video/hdmi.c' line='780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_drm_infoframe_pack'>
+        <parameter type-id='6ddb149f' name='frame' filepath='drivers/video/hdmi.c' line='780' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='781' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='781' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='hdmi_drm_infoframe_pack_only' mangled-name='hdmi_drm_infoframe_pack_only' filepath='drivers/video/hdmi.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_drm_infoframe_pack_only'>
+        <parameter type-id='12886dd0' name='frame' filepath='drivers/video/hdmi.c' line='707' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='708' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='708' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='hdmi_infoframe_pack' mangled-name='hdmi_infoframe_pack' filepath='drivers/video/hdmi.c' line='944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_infoframe_pack'>
+        <parameter type-id='885b5549' name='frame' filepath='drivers/video/hdmi.c' line='944' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='945' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='945' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='hdmi_vendor_infoframe_pack' mangled-name='hdmi_vendor_infoframe_pack' filepath='drivers/video/hdmi.c' line='626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_vendor_infoframe_pack'>
+        <parameter type-id='8ba5499a' name='frame' filepath='drivers/video/hdmi.c' line='626' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='627' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='627' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='hex2bin' mangled-name='hex2bin' filepath='lib/hexdump.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hex2bin'>
+        <parameter type-id='8bff8096' name='dst' filepath='lib/hexdump.c' line='71' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/hexdump.c' line='71' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/hexdump.c' line='71' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='hex_asc_upper' type-id='8945ea40' mangled-name='hex_asc_upper' visibility='default' filepath='lib/hexdump.c' line='16' column='1' elf-symbol-id='hex_asc_upper'/>
+      <function-decl name='hex_dump_to_buffer' mangled-name='hex_dump_to_buffer' filepath='lib/hexdump.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hex_dump_to_buffer'>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/hexdump.c' line='135' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='lib/hexdump.c' line='135' column='1'/>
+        <parameter type-id='95e97e5e' name='rowsize' filepath='lib/hexdump.c' line='135' column='1'/>
+        <parameter type-id='95e97e5e' name='groupsize' filepath='lib/hexdump.c' line='135' column='1'/>
+        <parameter type-id='26a90f95' name='linebuf' filepath='lib/hexdump.c' line='136' column='1'/>
+        <parameter type-id='b59d7dce' name='linebuflen' filepath='lib/hexdump.c' line='136' column='1'/>
+        <parameter type-id='b50a4934' name='ascii' filepath='lib/hexdump.c' line='136' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hex_to_bin' mangled-name='hex_to_bin' filepath='lib/hexdump.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hex_to_bin'>
+        <parameter type-id='002ac4a6' name='ch' filepath='lib/hexdump.c' line='53' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_add_device' mangled-name='hid_add_device' filepath='drivers/hid/hid-core.c' line='2403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_add_device'>
+        <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2403' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_allocate_device' mangled-name='hid_allocate_device' filepath='drivers/hid/hid-core.c' line='2473' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_allocate_device'>
+        <return type-id='37175e4d'/>
+      </function-decl>
+      <var-decl name='hid_debug' type-id='95e97e5e' mangled-name='hid_debug' visibility='default' filepath='drivers/hid/hid-core.c' line='45' column='1' elf-symbol-id='hid_debug'/>
+      <function-decl name='hid_destroy_device' mangled-name='hid_destroy_device' filepath='drivers/hid/hid-core.c' line='2519' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_destroy_device'>
+        <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2519' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hid_hw_close' mangled-name='hid_hw_close' filepath='drivers/hid/hid-core.c' line='2135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_hw_close'>
+        <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2135' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hid_hw_open' mangled-name='hid_hw_open' filepath='drivers/hid/hid-core.c' line='2107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_hw_open'>
+        <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2107' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_hw_start' mangled-name='hid_hw_start' filepath='drivers/hid/hid-core.c' line='2065' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_hw_start'>
+        <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2065' column='1'/>
+        <parameter type-id='f0981eeb' name='connect_mask' filepath='drivers/hid/hid-core.c' line='2065' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_hw_stop' mangled-name='hid_hw_stop' filepath='drivers/hid/hid-core.c' line='2092' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_hw_stop'>
+        <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2092' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hid_input_report' mangled-name='hid_input_report' filepath='drivers/hid/hid-core.c' line='1825' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_input_report'>
+        <parameter type-id='37175e4d' name='hid' filepath='drivers/hid/hid-core.c' line='1825' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='drivers/hid/hid-core.c' line='1825' column='1'/>
+        <parameter type-id='8bff8096' name='data' filepath='drivers/hid/hid-core.c' line='1825' column='1'/>
+        <parameter type-id='19c2251e' name='size' filepath='drivers/hid/hid-core.c' line='1825' column='1'/>
+        <parameter type-id='95e97e5e' name='interrupt' filepath='drivers/hid/hid-core.c' line='1825' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_open_report' mangled-name='hid_open_report' filepath='drivers/hid/hid-core.c' line='1195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_open_report'>
+        <parameter type-id='37175e4d' name='device' filepath='drivers/hid/hid-core.c' line='1195' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_parse_report' mangled-name='hid_parse_report' filepath='drivers/hid/hid-core.c' line='942' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_parse_report'>
+        <parameter type-id='37175e4d' name='hid' filepath='drivers/hid/hid-core.c' line='942' column='1'/>
+        <parameter type-id='474e5dcc' name='start' filepath='drivers/hid/hid-core.c' line='942' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='drivers/hid/hid-core.c' line='942' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_report_raw_event' mangled-name='hid_report_raw_event' filepath='drivers/hid/hid-core.c' line='1754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_report_raw_event'>
+        <parameter type-id='37175e4d' name='hid' filepath='drivers/hid/hid-core.c' line='1754' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='drivers/hid/hid-core.c' line='1754' column='1'/>
+        <parameter type-id='8bff8096' name='data' filepath='drivers/hid/hid-core.c' line='1754' column='1'/>
+        <parameter type-id='19c2251e' name='size' filepath='drivers/hid/hid-core.c' line='1754' column='1'/>
+        <parameter type-id='95e97e5e' name='interrupt' filepath='drivers/hid/hid-core.c' line='1755' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hid_unregister_driver' mangled-name='hid_unregister_driver' filepath='drivers/hid/hid-core.c' line='2580' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_unregister_driver'>
+        <parameter type-id='cbd2074d' name='hdrv' filepath='drivers/hid/hid-core.c' line='2580' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hid_validate_values' mangled-name='hid_validate_values' filepath='drivers/hid/hid-core.c' line='969' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_validate_values'>
+        <parameter type-id='37175e4d' name='hid' filepath='drivers/hid/hid-core.c' line='969' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='drivers/hid/hid-core.c' line='970' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/hid/hid-core.c' line='970' column='1'/>
+        <parameter type-id='f0981eeb' name='field_index' filepath='drivers/hid/hid-core.c' line='971' column='1'/>
+        <parameter type-id='f0981eeb' name='report_counts' filepath='drivers/hid/hid-core.c' line='972' column='1'/>
+        <return type-id='5b4284d1'/>
+      </function-decl>
+      <function-decl name='hidraw_report_event' mangled-name='hidraw_report_event' filepath='drivers/hid/hidraw.c' line='488' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hidraw_report_event'>
+        <parameter type-id='37175e4d' name='hid' filepath='drivers/hid/hidraw.c' line='488' column='1'/>
+        <parameter type-id='8bff8096' name='data' filepath='drivers/hid/hidraw.c' line='488' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/hid/hidraw.c' line='488' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='housekeeping_cpumask' mangled-name='housekeeping_cpumask' filepath='kernel/sched/isolation.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='housekeeping_cpumask'>
+        <parameter type-id='174b493d' name='flags' filepath='kernel/sched/isolation.c' line='40' column='1'/>
+        <return type-id='5f8a1ac4'/>
+      </function-decl>
+      <function-decl name='hrtimer_active' mangled-name='hrtimer_active' filepath='kernel/time/hrtimer.c' line='1502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_active'>
+        <parameter type-id='1ce53783' name='timer' filepath='kernel/time/hrtimer.c' line='1502' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='hrtimer_cancel' mangled-name='hrtimer_cancel' filepath='kernel/time/hrtimer.c' line='1336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_cancel'>
+        <parameter type-id='08c8d0fa' name='timer' filepath='kernel/time/hrtimer.c' line='1336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hrtimer_forward' mangled-name='hrtimer_forward' filepath='kernel/time/hrtimer.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_forward'>
+        <parameter type-id='08c8d0fa' name='timer' filepath='kernel/time/hrtimer.c' line='935' column='1'/>
+        <parameter type-id='fbc017ef' name='now' filepath='kernel/time/hrtimer.c' line='935' column='1'/>
+        <parameter type-id='fbc017ef' name='interval' filepath='kernel/time/hrtimer.c' line='935' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='hrtimer_init' mangled-name='hrtimer_init' filepath='kernel/time/hrtimer.c' line='1487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_init'>
+        <parameter type-id='08c8d0fa' name='timer' filepath='kernel/time/hrtimer.c' line='1487' column='1'/>
+        <parameter type-id='a1c3b834' name='clock_id' filepath='kernel/time/hrtimer.c' line='1487' column='1'/>
+        <parameter type-id='88326653' name='mode' filepath='kernel/time/hrtimer.c' line='1488' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hrtimer_init_sleeper' mangled-name='hrtimer_init_sleeper' filepath='kernel/time/hrtimer.c' line='1905' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_init_sleeper'>
+        <parameter type-id='6972ad8b' name='sl' filepath='kernel/time/hrtimer.c' line='1905' column='1'/>
+        <parameter type-id='a1c3b834' name='clock_id' filepath='kernel/time/hrtimer.c' line='1905' column='1'/>
+        <parameter type-id='88326653' name='mode' filepath='kernel/time/hrtimer.c' line='1906' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hrtimer_sleeper_start_expires' mangled-name='hrtimer_sleeper_start_expires' filepath='kernel/time/hrtimer.c' line='1850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_sleeper_start_expires'>
+        <parameter type-id='6972ad8b' name='sl' filepath='kernel/time/hrtimer.c' line='1850' column='1'/>
+        <parameter type-id='88326653' name='mode' filepath='kernel/time/hrtimer.c' line='1851' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hrtimer_start_range_ns' mangled-name='hrtimer_start_range_ns' filepath='kernel/time/hrtimer.c' line='1178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_start_range_ns'>
+        <parameter type-id='08c8d0fa' name='timer' filepath='kernel/time/hrtimer.c' line='1178' column='1'/>
+        <parameter type-id='fbc017ef' name='tim' filepath='kernel/time/hrtimer.c' line='1178' column='1'/>
+        <parameter type-id='91ce1af9' name='delta_ns' filepath='kernel/time/hrtimer.c' line='1179' column='1'/>
+        <parameter type-id='9bedc94f' name='mode' filepath='kernel/time/hrtimer.c' line='1179' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hrtimer_try_to_cancel' mangled-name='hrtimer_try_to_cancel' filepath='kernel/time/hrtimer.c' line='1214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_try_to_cancel'>
+        <parameter type-id='08c8d0fa' name='timer' filepath='kernel/time/hrtimer.c' line='1214' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hvc_alloc' mangled-name='hvc_alloc' filepath='drivers/tty/hvc/hvc_console.c' line='911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_alloc'>
+        <parameter type-id='8f92235e' name='vtermno' filepath='drivers/tty/hvc/hvc_console.c' line='911' column='1'/>
+        <parameter type-id='95e97e5e' name='data' filepath='drivers/tty/hvc/hvc_console.c' line='911' column='1'/>
+        <parameter type-id='f319e2c5' name='ops' filepath='drivers/tty/hvc/hvc_console.c' line='912' column='1'/>
+        <parameter type-id='95e97e5e' name='outbuf_size' filepath='drivers/tty/hvc/hvc_console.c' line='913' column='1'/>
+        <return type-id='352b95f6'/>
+      </function-decl>
+      <function-decl name='hvc_instantiate' mangled-name='hvc_instantiate' filepath='drivers/tty/hvc/hvc_console.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_instantiate'>
+        <parameter type-id='8f92235e' name='vtermno' filepath='drivers/tty/hvc/hvc_console.c' line='285' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/tty/hvc/hvc_console.c' line='285' column='1'/>
+        <parameter type-id='f319e2c5' name='ops' filepath='drivers/tty/hvc/hvc_console.c' line='285' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hvc_kick' mangled-name='hvc_kick' filepath='drivers/tty/hvc/hvc_console.c' line='313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_kick'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hvc_poll' mangled-name='hvc_poll' filepath='drivers/tty/hvc/hvc_console.c' line='762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_poll'>
+        <parameter type-id='352b95f6' name='hp' filepath='drivers/tty/hvc/hvc_console.c' line='762' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hvc_remove' mangled-name='hvc_remove' filepath='drivers/tty/hvc/hvc_console.c' line='979' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_remove'>
+        <parameter type-id='352b95f6' name='hp' filepath='drivers/tty/hvc/hvc_console.c' line='979' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hwrng_register' mangled-name='hwrng_register' filepath='drivers/char/hw_random/core.c' line='469' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwrng_register'>
+        <parameter type-id='c1547255' name='rng' filepath='drivers/char/hw_random/core.c' line='469' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hwrng_unregister' mangled-name='hwrng_unregister' filepath='drivers/char/hw_random/core.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwrng_unregister'>
+        <parameter type-id='c1547255' name='rng' filepath='drivers/char/hw_random/core.c' line='536' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='hwspin_lock_free' mangled-name='hwspin_lock_free' filepath='drivers/hwspinlock/hwspinlock_core.c' line='800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwspin_lock_free'>
+        <parameter type-id='0cb0b26f' name='hwlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='800' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='hwspin_lock_request_specific' mangled-name='hwspin_lock_request_specific' filepath='drivers/hwspinlock/hwspinlock_core.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwspin_lock_request_specific'>
+        <parameter type-id='f0981eeb' name='id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='752' column='1'/>
+        <return type-id='0cb0b26f'/>
+      </function-decl>
+      <var-decl name='i2c_adapter_type' type-id='bdae35f4' mangled-name='i2c_adapter_type' visibility='default' filepath='drivers/i2c/i2c-core-base.c' line='1263' column='1' elf-symbol-id='i2c_adapter_type'/>
+      <function-decl name='i2c_add_adapter' mangled-name='i2c_add_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_add_adapter'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-base.c' line='1529' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='i2c_add_numbered_adapter' mangled-name='i2c_add_numbered_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_add_numbered_adapter'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='1578' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='i2c_bit_add_numbered_bus' mangled-name='i2c_bit_add_numbered_bus' filepath='drivers/i2c/algos/i2c-algo-bit.c' line='689' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_bit_add_numbered_bus'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/algos/i2c-algo-bit.c' line='689' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='i2c_bus_type' type-id='b31bfc8a' mangled-name='i2c_bus_type' visibility='default' filepath='drivers/i2c/i2c-core-base.c' line='632' column='1' elf-symbol-id='i2c_bus_type'/>
+      <var-decl name='i2c_client_type' type-id='bdae35f4' mangled-name='i2c_client_type' visibility='default' filepath='drivers/i2c/i2c-core-base.c' line='641' column='1' elf-symbol-id='i2c_client_type'/>
+      <function-decl name='i2c_del_adapter' mangled-name='i2c_del_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_del_adapter'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='1633' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='i2c_del_driver' mangled-name='i2c_del_driver' filepath='drivers/i2c/i2c-core-base.c' line='1830' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_del_driver'>
+        <parameter type-id='29ffcb70' name='driver' filepath='drivers/i2c/i2c-core-base.c' line='1830' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='i2c_for_each_dev' mangled-name='i2c_for_each_dev' filepath='drivers/i2c/i2c-core-base.c' line='1765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_for_each_dev'>
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+        <parameter type-id='92d15ae9' name='fn' filepath='drivers/i2c/i2c-core-base.c' line='1765' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <return type-id='95e97e5e'/>
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+      <function-decl name='i2c_get_adapter' mangled-name='i2c_get_adapter' filepath='drivers/i2c/i2c-core-base.c' line='2383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_get_adapter'>
+        <parameter type-id='95e97e5e' name='nr' filepath='drivers/i2c/i2c-core-base.c' line='2383' column='1'/>
+        <return type-id='b9af02c3'/>
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+      <function-decl name='i2c_get_device_id' mangled-name='i2c_get_device_id' filepath='drivers/i2c/i2c-core-base.c' line='2159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_get_device_id'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-base.c' line='2159' column='1'/>
+        <parameter type-id='390f38a5' name='id' filepath='drivers/i2c/i2c-core-base.c' line='2160' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='i2c_get_dma_safe_msg_buf' mangled-name='i2c_get_dma_safe_msg_buf' filepath='drivers/i2c/i2c-core-base.c' line='2426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_get_dma_safe_msg_buf'>
+        <parameter type-id='cd44bc95' name='msg' filepath='drivers/i2c/i2c-core-base.c' line='2426' column='1'/>
+        <parameter type-id='f0981eeb' name='threshold' filepath='drivers/i2c/i2c-core-base.c' line='2426' column='1'/>
+        <return type-id='8bff8096'/>
+      </function-decl>
+      <function-decl name='i2c_match_id' mangled-name='i2c_match_id' filepath='drivers/i2c/i2c-core-base.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_match_id'>
+        <parameter type-id='49e46a4d' name='id' filepath='drivers/i2c/i2c-core-base.c' line='80' column='1'/>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-base.c' line='81' column='1'/>
+        <return type-id='49e46a4d'/>
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+      <function-decl name='i2c_new_ancillary_device' mangled-name='i2c_new_ancillary_device' filepath='drivers/i2c/i2c-core-base.c' line='1087' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_ancillary_device'>
+        <parameter type-id='3e31633b' name='client' filepath='drivers/i2c/i2c-core-base.c' line='1087' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/i2c/i2c-core-base.c' line='1088' column='1'/>
+        <parameter type-id='1dc6a898' name='default_addr' filepath='drivers/i2c/i2c-core-base.c' line='1089' column='1'/>
+        <return type-id='3e31633b'/>
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+      <function-decl name='i2c_new_client_device' mangled-name='i2c_new_client_device' filepath='drivers/i2c/i2c-core-base.c' line='872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_client_device'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='872' column='1'/>
+        <parameter type-id='88139c0a' name='info' filepath='drivers/i2c/i2c-core-base.c' line='872' column='1'/>
+        <return type-id='3e31633b'/>
+      </function-decl>
+      <function-decl name='i2c_new_dummy_device' mangled-name='i2c_new_dummy_device' filepath='drivers/i2c/i2c-core-base.c' line='1011' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_dummy_device'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-base.c' line='1011' column='1'/>
+        <parameter type-id='1dc6a898' name='address' filepath='drivers/i2c/i2c-core-base.c' line='1011' column='1'/>
+        <return type-id='3e31633b'/>
+      </function-decl>
+      <function-decl name='i2c_new_scanned_device' mangled-name='i2c_new_scanned_device' filepath='drivers/i2c/i2c-core-base.c' line='2342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_scanned_device'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='2342' column='1'/>
+        <parameter type-id='fae597a1' name='info' filepath='drivers/i2c/i2c-core-base.c' line='2343' column='1'/>
+        <parameter type-id='31347b7a' name='addr_list' filepath='drivers/i2c/i2c-core-base.c' line='2344' column='1'/>
+        <parameter type-id='9194e9f3' name='probe' filepath='drivers/i2c/i2c-core-base.c' line='2345' column='1'/>
+        <return type-id='3e31633b'/>
+      </function-decl>
+      <function-decl name='i2c_parse_fw_timings' mangled-name='i2c_parse_fw_timings' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_parse_fw_timings'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1'/>
+        <parameter type-id='d19fb227' name='t' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1'/>
+        <parameter type-id='b50a4934' name='use_defaults' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='i2c_put_adapter' mangled-name='i2c_put_adapter' filepath='drivers/i2c/i2c-core-base.c' line='2403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_put_adapter'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='2403' column='1'/>
+        <return type-id='48b5725f'/>
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+      <function-decl name='i2c_put_dma_safe_msg_buf' mangled-name='i2c_put_dma_safe_msg_buf' filepath='drivers/i2c/i2c-core-base.c' line='2454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_put_dma_safe_msg_buf'>
+        <parameter type-id='8bff8096' name='buf' filepath='drivers/i2c/i2c-core-base.c' line='2454' column='1'/>
+        <parameter type-id='cd44bc95' name='msg' filepath='drivers/i2c/i2c-core-base.c' line='2454' column='1'/>
+        <parameter type-id='b50a4934' name='xferred' filepath='drivers/i2c/i2c-core-base.c' line='2454' column='1'/>
+        <return type-id='48b5725f'/>
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+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='250' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='2730d015' name='owner' filepath='drivers/i2c/i2c-core-base.c' line='1789' column='1'/>
+        <parameter type-id='29ffcb70' name='driver' filepath='drivers/i2c/i2c-core-base.c' line='1789' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='i2c_smbus_read_byte' mangled-name='i2c_smbus_read_byte' filepath='drivers/i2c/i2c-core-smbus.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_read_byte'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='93' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
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+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='128' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='128' column='1'/>
+        <return type-id='a7832498'/>
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+      <function-decl name='i2c_smbus_read_i2c_block_data' mangled-name='i2c_smbus_read_i2c_block_data' filepath='drivers/i2c/i2c-core-smbus.c' line='258' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_read_i2c_block_data'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='258' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='258' column='1'/>
+        <parameter type-id='f9b06939' name='length' filepath='drivers/i2c/i2c-core-smbus.c' line='259' column='1'/>
+        <parameter type-id='8bff8096' name='values' filepath='drivers/i2c/i2c-core-smbus.c' line='259' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='i2c_smbus_read_word_data' mangled-name='i2c_smbus_read_word_data' filepath='drivers/i2c/i2c-core-smbus.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_read_word_data'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='168' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='168' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='i2c_smbus_write_byte' mangled-name='i2c_smbus_write_byte' filepath='drivers/i2c/i2c-core-smbus.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_byte'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='113' column='1'/>
+        <parameter type-id='f9b06939' name='value' filepath='drivers/i2c/i2c-core-smbus.c' line='113' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='i2c_smbus_write_byte_data' mangled-name='i2c_smbus_write_byte_data' filepath='drivers/i2c/i2c-core-smbus.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_byte_data'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='149' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='149' column='1'/>
+        <parameter type-id='f9b06939' name='value' filepath='drivers/i2c/i2c-core-smbus.c' line='150' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='i2c_smbus_write_i2c_block_data' mangled-name='i2c_smbus_write_i2c_block_data' filepath='drivers/i2c/i2c-core-smbus.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_i2c_block_data'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='278' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='278' column='1'/>
+        <parameter type-id='f9b06939' name='length' filepath='drivers/i2c/i2c-core-smbus.c' line='279' column='1'/>
+        <parameter type-id='bbaf3419' name='values' filepath='drivers/i2c/i2c-core-smbus.c' line='279' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='i2c_smbus_write_word_data' mangled-name='i2c_smbus_write_word_data' filepath='drivers/i2c/i2c-core-smbus.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_word_data'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='189' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='189' column='1'/>
+        <parameter type-id='1dc6a898' name='value' filepath='drivers/i2c/i2c-core-smbus.c' line='190' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='i2c_smbus_xfer' mangled-name='i2c_smbus_xfer' filepath='drivers/i2c/i2c-core-smbus.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_xfer'>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-smbus.c' line='532' column='1'/>
+        <parameter type-id='1dc6a898' name='addr' filepath='drivers/i2c/i2c-core-smbus.c' line='532' column='1'/>
+        <parameter type-id='8efea9e5' name='flags' filepath='drivers/i2c/i2c-core-smbus.c' line='533' column='1'/>
+        <parameter type-id='a84c031d' name='read_write' filepath='drivers/i2c/i2c-core-smbus.c' line='533' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='534' column='1'/>
+        <parameter type-id='95e97e5e' name='protocol' filepath='drivers/i2c/i2c-core-smbus.c' line='534' column='1'/>
+        <parameter type-id='a556dccb' name='data' filepath='drivers/i2c/i2c-core-smbus.c' line='534' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='i2c_transfer' mangled-name='i2c_transfer' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_transfer'>
+        <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1'/>
+        <parameter type-id='cd44bc95' name='msgs' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1'/>
+        <parameter type-id='95e97e5e' name='num' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1'/>
+        <return type-id='95e97e5e'/>
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+      <function-decl name='i2c_transfer_buffer_flags' mangled-name='i2c_transfer_buffer_flags' filepath='drivers/i2c/i2c-core-base.c' line='2131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_transfer_buffer_flags'>
+        <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-base.c' line='2131' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='drivers/i2c/i2c-core-base.c' line='2131' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/i2c/i2c-core-base.c' line='2132' column='1'/>
+        <parameter type-id='1dc6a898' name='flags' filepath='drivers/i2c/i2c-core-base.c' line='2132' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='i2c_unregister_device' mangled-name='i2c_unregister_device' filepath='drivers/i2c/i2c-core-base.c' line='953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_unregister_device'>
+        <parameter type-id='3e31633b' name='client' filepath='drivers/i2c/i2c-core-base.c' line='953' column='1'/>
+        <return type-id='48b5725f'/>
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+      <function-decl name='i2c_verify_adapter' mangled-name='i2c_verify_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_verify_adapter'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='1278' column='1'/>
+        <return type-id='b9af02c3'/>
+      </function-decl>
+      <function-decl name='i2c_verify_client' mangled-name='i2c_verify_client' filepath='drivers/i2c/i2c-core-base.c' line='658' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_verify_client'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='658' column='1'/>
+        <return type-id='3e31633b'/>
+      </function-decl>
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+        <return type-id='95e97e5e'/>
+      </function-decl>
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+        <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='696' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='18d76f87' name='node' filepath='drivers/interconnect/core.c' line='874' column='1'/>
+        <parameter type-id='2448a865' name='dst_id' filepath='drivers/interconnect/core.c' line='874' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='18d76f87' name='node' filepath='drivers/interconnect/core.c' line='964' column='1'/>
+        <parameter type-id='e68dc824' name='provider' filepath='drivers/interconnect/core.c' line='964' column='1'/>
+        <return type-id='48b5725f'/>
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+        <parameter type-id='95e97e5e' name='id' filepath='drivers/interconnect/core.c' line='821' column='1'/>
+        <return type-id='18d76f87'/>
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+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='icc_provider_add' mangled-name='icc_provider_add' filepath='drivers/interconnect/core.c' line='1038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_provider_add'>
+        <parameter type-id='e68dc824' name='provider' filepath='drivers/interconnect/core.c' line='1038' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='icc_provider_del' mangled-name='icc_provider_del' filepath='drivers/interconnect/core.c' line='1064' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_provider_del'>
+        <parameter type-id='e68dc824' name='provider' filepath='drivers/interconnect/core.c' line='1064' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='icc_put' mangled-name='icc_put' filepath='drivers/interconnect/core.c' line='763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_put'>
+        <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='763' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='icc_set_bw' mangled-name='icc_set_bw' filepath='drivers/interconnect/core.c' line='622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_set_bw'>
+        <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='622' column='1'/>
+        <parameter type-id='19c2251e' name='avg_bw' filepath='drivers/interconnect/core.c' line='622' column='1'/>
+        <parameter type-id='19c2251e' name='peak_bw' filepath='drivers/interconnect/core.c' line='622' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='icc_set_tag' mangled-name='icc_set_tag' filepath='drivers/interconnect/core.c' line='573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_set_tag'>
+        <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='573' column='1'/>
+        <parameter type-id='19c2251e' name='tag' filepath='drivers/interconnect/core.c' line='573' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='icc_std_aggregate' mangled-name='icc_std_aggregate' filepath='drivers/interconnect/core.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_std_aggregate'>
+        <parameter type-id='18d76f87' name='node' filepath='drivers/interconnect/core.c' line='311' column='1'/>
+        <parameter type-id='19c2251e' name='tag' filepath='drivers/interconnect/core.c' line='311' column='1'/>
+        <parameter type-id='19c2251e' name='avg_bw' filepath='drivers/interconnect/core.c' line='311' column='1'/>
+        <parameter type-id='19c2251e' name='peak_bw' filepath='drivers/interconnect/core.c' line='312' column='1'/>
+        <parameter type-id='f9409001' name='agg_avg' filepath='drivers/interconnect/core.c' line='312' column='1'/>
+        <parameter type-id='f9409001' name='agg_peak' filepath='drivers/interconnect/core.c' line='312' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='icc_sync_state' mangled-name='icc_sync_state' filepath='drivers/interconnect/core.c' line='1106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_sync_state'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/interconnect/core.c' line='1106' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ida_alloc_range' mangled-name='ida_alloc_range' filepath='lib/idr.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ida_alloc_range'>
+        <parameter type-id='a9e764bb' name='ida' filepath='lib/idr.c' line='380' column='1'/>
+        <parameter type-id='f0981eeb' name='min' filepath='lib/idr.c' line='380' column='1'/>
+        <parameter type-id='f0981eeb' name='max' filepath='lib/idr.c' line='380' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='381' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ida_destroy' mangled-name='ida_destroy' filepath='lib/idr.c' line='541' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ida_destroy'>
+        <parameter type-id='a9e764bb' name='ida' filepath='lib/idr.c' line='541' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ida_free' mangled-name='ida_free' filepath='lib/idr.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ida_free'>
+        <parameter type-id='a9e764bb' name='ida' filepath='lib/idr.c' line='487' column='1'/>
+        <parameter type-id='f0981eeb' name='id' filepath='lib/idr.c' line='487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='idr_alloc' mangled-name='idr_alloc' filepath='lib/idr.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_alloc'>
+        <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='79' column='1'/>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='lib/idr.c' line='79' column='1'/>
+        <parameter type-id='95e97e5e' name='start' filepath='lib/idr.c' line='79' column='1'/>
+        <parameter type-id='95e97e5e' name='end' filepath='lib/idr.c' line='79' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='79' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='idr_alloc_cyclic' mangled-name='idr_alloc_cyclic' filepath='lib/idr.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_alloc_cyclic'>
+        <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='117' column='1'/>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='lib/idr.c' line='117' column='1'/>
+        <parameter type-id='95e97e5e' name='start' filepath='lib/idr.c' line='117' column='1'/>
+        <parameter type-id='95e97e5e' name='end' filepath='lib/idr.c' line='117' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='117' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='idr_alloc_u32' mangled-name='idr_alloc_u32' filepath='lib/idr.c' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_alloc_u32'>
+        <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='33' column='1'/>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='lib/idr.c' line='33' column='1'/>
+        <parameter type-id='f9409001' name='nextid' filepath='lib/idr.c' line='33' column='1'/>
+        <parameter type-id='7359adad' name='max' filepath='lib/idr.c' line='34' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='34' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='idr_destroy' mangled-name='idr_destroy' filepath='lib/radix-tree.c' line='1556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_destroy'>
+        <parameter type-id='301185b4' name='idr' filepath='lib/radix-tree.c' line='1556' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='idr_find' mangled-name='idr_find' filepath='lib/idr.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_find'>
+        <parameter type-id='c79c8089' name='idr' filepath='lib/idr.c' line='172' column='1'/>
+        <parameter type-id='7359adad' name='id' filepath='lib/idr.c' line='172' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='idr_for_each' mangled-name='idr_for_each' filepath='lib/idr.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_for_each'>
+        <parameter type-id='c79c8089' name='idr' filepath='lib/idr.c' line='195' column='1'/>
+        <parameter type-id='f4f5b664' name='fn' filepath='lib/idr.c' line='196' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/idr.c' line='196' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='idr_get_next' mangled-name='idr_get_next' filepath='lib/idr.c' line='264' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_get_next'>
+        <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='264' column='1'/>
+        <parameter type-id='7292109c' name='nextid' filepath='lib/idr.c' line='264' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='idr_preload' mangled-name='idr_preload' filepath='lib/radix-tree.c' line='1466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_preload'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/radix-tree.c' line='1466' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='idr_remove' mangled-name='idr_remove' filepath='lib/idr.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_remove'>
+        <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='152' column='1'/>
+        <parameter type-id='7359adad' name='id' filepath='lib/idr.c' line='152' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='idr_replace' mangled-name='idr_replace' filepath='lib/idr.c' line='290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_replace'>
+        <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='290' column='1'/>
+        <parameter type-id='eaa32e2f' name='ptr' filepath='lib/idr.c' line='290' column='1'/>
+        <parameter type-id='7359adad' name='id' filepath='lib/idr.c' line='290' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='ieee80211_alloc_hw_nm' mangled-name='ieee80211_alloc_hw_nm' filepath='net/mac80211/main.c' line='527' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_alloc_hw_nm'>
+        <parameter type-id='b59d7dce' name='priv_data_len' filepath='net/mac80211/main.c' line='527' column='1'/>
+        <parameter type-id='4b9cfd93' name='ops' filepath='net/mac80211/main.c' line='528' column='1'/>
+        <parameter type-id='80f4b756' name='requested_name' filepath='net/mac80211/main.c' line='529' column='1'/>
+        <return type-id='1905517d'/>
+      </function-decl>
+      <function-decl name='ieee80211_amsdu_to_8023s' mangled-name='ieee80211_amsdu_to_8023s' filepath='net/wireless/util.c' line='745' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_amsdu_to_8023s'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/wireless/util.c' line='745' column='1'/>
+        <parameter type-id='03c386c6' name='list' filepath='net/wireless/util.c' line='745' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/wireless/util.c' line='746' column='1'/>
+        <parameter type-id='86505f90' name='iftype' filepath='net/wireless/util.c' line='746' column='1'/>
+        <parameter type-id='20f5f452' name='extra_headroom' filepath='net/wireless/util.c' line='747' column='1'/>
+        <parameter type-id='bbaf3419' name='check_da' filepath='net/wireless/util.c' line='748' column='1'/>
+        <parameter type-id='bbaf3419' name='check_sa' filepath='net/wireless/util.c' line='748' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_ap_probereq_get' mangled-name='ieee80211_ap_probereq_get' filepath='net/mac80211/mlme.c' line='2683' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_ap_probereq_get'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/mlme.c' line='2683' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/mlme.c' line='2684' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_beacon_cntdwn_is_complete' mangled-name='ieee80211_beacon_cntdwn_is_complete' filepath='net/mac80211/tx.c' line='4703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_beacon_cntdwn_is_complete'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='4703' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ieee80211_beacon_get_template' mangled-name='ieee80211_beacon_get_template' filepath='net/mac80211/tx.c' line='4976' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_beacon_get_template'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='4976' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='4977' column='1'/>
+        <parameter type-id='080a0935' name='offs' filepath='net/mac80211/tx.c' line='4978' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_beacon_get_tim' mangled-name='ieee80211_beacon_get_tim' filepath='net/mac80211/tx.c' line='4984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_beacon_get_tim'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='4984' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='4985' column='1'/>
+        <parameter type-id='26d4d46f' name='tim_offset' filepath='net/mac80211/tx.c' line='4986' column='1'/>
+        <parameter type-id='26d4d46f' name='tim_length' filepath='net/mac80211/tx.c' line='4986' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_beacon_loss' mangled-name='ieee80211_beacon_loss' filepath='net/mac80211/mlme.c' line='2810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_beacon_loss'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/mlme.c' line='2810' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_beacon_update_cntdwn' mangled-name='ieee80211_beacon_update_cntdwn' filepath='net/mac80211/tx.c' line='4652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_beacon_update_cntdwn'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='4652' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='ieee80211_bss_get_elem' mangled-name='ieee80211_bss_get_elem' filepath='net/wireless/util.c' line='910' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_bss_get_elem'>
+        <parameter type-id='bda81d86' name='bss' filepath='net/wireless/util.c' line='910' column='1'/>
+        <parameter type-id='f9b06939' name='id' filepath='net/wireless/util.c' line='910' column='1'/>
+        <return type-id='aa7ca86a'/>
+      </function-decl>
+      <function-decl name='ieee80211_chandef_to_operating_class' mangled-name='ieee80211_chandef_to_operating_class' filepath='net/wireless/util.c' line='1639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_chandef_to_operating_class'>
+        <parameter type-id='0953fbfe' name='chandef' filepath='net/wireless/util.c' line='1639' column='1'/>
+        <parameter type-id='8bff8096' name='op_class' filepath='net/wireless/util.c' line='1640' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ieee80211_channel_to_freq_khz' mangled-name='ieee80211_channel_to_freq_khz' filepath='net/wireless/util.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_channel_to_freq_khz'>
+        <parameter type-id='95e97e5e' name='chan' filepath='net/wireless/util.c' line='75' column='1'/>
+        <parameter type-id='3eaa0294' name='band' filepath='net/wireless/util.c' line='75' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='ieee80211_chswitch_done' mangled-name='ieee80211_chswitch_done' filepath='net/mac80211/mlme.c' line='1308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_chswitch_done'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/mlme.c' line='1308' column='1'/>
+        <parameter type-id='b50a4934' name='success' filepath='net/mac80211/mlme.c' line='1308' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_connection_loss' mangled-name='ieee80211_connection_loss' filepath='net/mac80211/mlme.c' line='2822' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_connection_loss'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/mlme.c' line='2822' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_cqm_beacon_loss_notify' mangled-name='ieee80211_cqm_beacon_loss_notify' filepath='net/mac80211/mlme.c' line='5961' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_cqm_beacon_loss_notify'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/mlme.c' line='5961' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/mac80211/mlme.c' line='5961' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_cqm_rssi_notify' mangled-name='ieee80211_cqm_rssi_notify' filepath='net/mac80211/mlme.c' line='5948' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_cqm_rssi_notify'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/mlme.c' line='5948' column='1'/>
+        <parameter type-id='b8189423' name='rssi_event' filepath='net/mac80211/mlme.c' line='5949' column='1'/>
+        <parameter type-id='a7832498' name='rssi_level' filepath='net/mac80211/mlme.c' line='5950' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/mac80211/mlme.c' line='5951' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_csa_finish' mangled-name='ieee80211_csa_finish' filepath='net/mac80211/cfg.c' line='3132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_csa_finish'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/cfg.c' line='3132' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_find_sta' mangled-name='ieee80211_find_sta' filepath='net/mac80211/sta_info.c' line='1285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_find_sta'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/sta_info.c' line='1285' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/mac80211/sta_info.c' line='1286' column='1'/>
+        <return type-id='f27bb1b0'/>
+      </function-decl>
+      <function-decl name='ieee80211_find_sta_by_ifaddr' mangled-name='ieee80211_find_sta_by_ifaddr' filepath='net/mac80211/sta_info.c' line='1260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_find_sta_by_ifaddr'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/sta_info.c' line='1260' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/mac80211/sta_info.c' line='1261' column='1'/>
+        <parameter type-id='bbaf3419' name='localaddr' filepath='net/mac80211/sta_info.c' line='1262' column='1'/>
+        <return type-id='f27bb1b0'/>
+      </function-decl>
+      <function-decl name='ieee80211_free_hw' mangled-name='ieee80211_free_hw' filepath='net/mac80211/main.c' line='1417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_free_hw'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/main.c' line='1417' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_free_txskb' mangled-name='ieee80211_free_txskb' filepath='net/mac80211/status.c' line='1243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_free_txskb'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/status.c' line='1243' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac80211/status.c' line='1243' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_freq_khz_to_channel' mangled-name='ieee80211_freq_khz_to_channel' filepath='net/wireless/util.c' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_freq_khz_to_channel'>
+        <parameter type-id='19c2251e' name='freq' filepath='net/wireless/util.c' line='141' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ieee80211_get_buffered_bc' mangled-name='ieee80211_get_buffered_bc' filepath='net/mac80211/tx.c' line='5281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_get_buffered_bc'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='5281' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='5282' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_get_channel_khz' mangled-name='ieee80211_get_channel_khz' filepath='net/wireless/util.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_get_channel_khz'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/util.c' line='167' column='1'/>
+        <parameter type-id='19c2251e' name='freq' filepath='net/wireless/util.c' line='168' column='1'/>
+        <return type-id='ec00acfb'/>
+      </function-decl>
+      <function-decl name='ieee80211_get_hdrlen_from_skb' mangled-name='ieee80211_get_hdrlen_from_skb' filepath='net/wireless/util.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_get_hdrlen_from_skb'>
+        <parameter type-id='11f4a000' name='skb' filepath='net/wireless/util.c' line='506' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='ieee80211_get_tx_rates' mangled-name='ieee80211_get_tx_rates' filepath='net/mac80211/rate.c' line='866' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_get_tx_rates'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/rate.c' line='866' column='1'/>
+        <parameter type-id='f27bb1b0' name='sta' filepath='net/mac80211/rate.c' line='867' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac80211/rate.c' line='868' column='1'/>
+        <parameter type-id='0f82eceb' name='dest' filepath='net/mac80211/rate.c' line='869' column='1'/>
+        <parameter type-id='95e97e5e' name='max_rates' filepath='net/mac80211/rate.c' line='870' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_hdrlen' mangled-name='ieee80211_hdrlen' filepath='net/wireless/util.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_hdrlen'>
+        <parameter type-id='23119536' name='fc' filepath='net/wireless/util.c' line='460' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='ieee80211_iter_chan_contexts_atomic' mangled-name='ieee80211_iter_chan_contexts_atomic' filepath='net/mac80211/chan.c' line='1791' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_iter_chan_contexts_atomic'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/chan.c' line='1792' column='1'/>
+        <parameter type-id='41e149d3' name='iter' filepath='net/mac80211/chan.c' line='1793' column='1'/>
+        <parameter type-id='eaa32e2f' name='iter_data' filepath='net/mac80211/chan.c' line='1796' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_iterate_active_interfaces_atomic' mangled-name='ieee80211_iterate_active_interfaces_atomic' filepath='net/mac80211/util.c' line='819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_iterate_active_interfaces_atomic'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='820' column='1'/>
+        <parameter type-id='19c2251e' name='iter_flags' filepath='net/mac80211/util.c' line='820' column='1'/>
+        <parameter type-id='4e5f84b1' name='iterator' filepath='net/mac80211/util.c' line='821' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='net/mac80211/util.c' line='823' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_iterate_interfaces' mangled-name='ieee80211_iterate_interfaces' filepath='net/mac80211/util.c' line='805' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_iterate_interfaces'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='806' column='1'/>
+        <parameter type-id='19c2251e' name='iter_flags' filepath='net/mac80211/util.c' line='806' column='1'/>
+        <parameter type-id='4e5f84b1' name='iterator' filepath='net/mac80211/util.c' line='807' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='net/mac80211/util.c' line='809' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_iterate_stations_atomic' mangled-name='ieee80211_iterate_stations_atomic' filepath='net/mac80211/util.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_iterate_stations_atomic'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='864' column='1'/>
+        <parameter type-id='9d7b1183' name='iterator' filepath='net/mac80211/util.c' line='865' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='net/mac80211/util.c' line='867' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_manage_rx_ba_offl' mangled-name='ieee80211_manage_rx_ba_offl' filepath='net/mac80211/agg-rx.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_manage_rx_ba_offl'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/agg-rx.c' line='511' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/mac80211/agg-rx.c' line='512' column='1'/>
+        <parameter type-id='f0981eeb' name='tid' filepath='net/mac80211/agg-rx.c' line='512' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_next_txq' mangled-name='ieee80211_next_txq' filepath='net/mac80211/tx.c' line='3795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_next_txq'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='3795' column='1'/>
+        <parameter type-id='f9b06939' name='ac' filepath='net/mac80211/tx.c' line='3795' column='1'/>
+        <return type-id='cde83d0f'/>
+      </function-decl>
+      <function-decl name='ieee80211_nullfunc_get' mangled-name='ieee80211_nullfunc_get' filepath='net/mac80211/tx.c' line='5152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_nullfunc_get'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='5152' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='5153' column='1'/>
+        <parameter type-id='b50a4934' name='qos_ok' filepath='net/mac80211/tx.c' line='5154' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_operating_class_to_band' mangled-name='ieee80211_operating_class_to_band' filepath='net/wireless/util.c' line='1612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_operating_class_to_band'>
+        <parameter type-id='f9b06939' name='operating_class' filepath='net/wireless/util.c' line='1612' column='1'/>
+        <parameter type-id='269925a1' name='band' filepath='net/wireless/util.c' line='1613' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ieee80211_probereq_get' mangled-name='ieee80211_probereq_get' filepath='net/mac80211/tx.c' line='5211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_probereq_get'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='5211' column='1'/>
+        <parameter type-id='bbaf3419' name='src_addr' filepath='net/mac80211/tx.c' line='5212' column='1'/>
+        <parameter type-id='bbaf3419' name='ssid' filepath='net/mac80211/tx.c' line='5213' column='1'/>
+        <parameter type-id='b59d7dce' name='ssid_len' filepath='net/mac80211/tx.c' line='5213' column='1'/>
+        <parameter type-id='b59d7dce' name='tailroom' filepath='net/mac80211/tx.c' line='5214' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_proberesp_get' mangled-name='ieee80211_proberesp_get' filepath='net/mac80211/tx.c' line='5024' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_proberesp_get'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='5024' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='5025' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_pspoll_get' mangled-name='ieee80211_pspoll_get' filepath='net/mac80211/tx.c' line='5115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_pspoll_get'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='5115' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='5116' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_queue_delayed_work' mangled-name='ieee80211_queue_delayed_work' filepath='net/mac80211/util.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_queue_delayed_work'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='935' column='1'/>
+        <parameter type-id='1a7ee447' name='dwork' filepath='net/mac80211/util.c' line='936' column='1'/>
+        <parameter type-id='7359adad' name='delay' filepath='net/mac80211/util.c' line='937' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_queue_work' mangled-name='ieee80211_queue_work' filepath='net/mac80211/util.c' line='924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_queue_work'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='924' column='1'/>
+        <parameter type-id='83c1bde6' name='work' filepath='net/mac80211/util.c' line='924' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_radar_detected' mangled-name='ieee80211_radar_detected' filepath='net/mac80211/util.c' line='3808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_radar_detected'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='3808' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_ready_on_channel' mangled-name='ieee80211_ready_on_channel' filepath='net/mac80211/offchannel.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_ready_on_channel'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/offchannel.c' line='278' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_register_hw' mangled-name='ieee80211_register_hw' filepath='net/mac80211/main.c' line='894' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_register_hw'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/main.c' line='894' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ieee80211_remain_on_channel_expired' mangled-name='ieee80211_remain_on_channel_expired' filepath='net/mac80211/offchannel.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_remain_on_channel_expired'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/offchannel.c' line='477' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_report_low_ack' mangled-name='ieee80211_report_low_ack' filepath='net/mac80211/status.c' line='1235' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_report_low_ack'>
+        <parameter type-id='f27bb1b0' name='pubsta' filepath='net/mac80211/status.c' line='1235' column='1'/>
+        <parameter type-id='19c2251e' name='num_packets' filepath='net/mac80211/status.c' line='1235' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_restart_hw' mangled-name='ieee80211_restart_hw' filepath='net/mac80211/main.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_restart_hw'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/main.c' line='299' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_rx_irqsafe' mangled-name='ieee80211_rx_irqsafe' filepath='net/mac80211/rx.c' line='4883' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_rx_irqsafe'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/rx.c' line='4883' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac80211/rx.c' line='4883' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_rx_napi' mangled-name='ieee80211_rx_napi' filepath='net/mac80211/rx.c' line='4853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_rx_napi'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/rx.c' line='4853' column='1'/>
+        <parameter type-id='f27bb1b0' name='pubsta' filepath='net/mac80211/rx.c' line='4853' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac80211/rx.c' line='4854' column='1'/>
+        <parameter type-id='c50361c5' name='napi' filepath='net/mac80211/rx.c' line='4854' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_scan_completed' mangled-name='ieee80211_scan_completed' filepath='net/mac80211/scan.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_scan_completed'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/scan.c' line='506' column='1'/>
+        <parameter type-id='40cd17b4' name='info' filepath='net/mac80211/scan.c' line='507' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_sched_scan_results' mangled-name='ieee80211_sched_scan_results' filepath='net/mac80211/scan.c' line='1415' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_sched_scan_results'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/scan.c' line='1415' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_sched_scan_stopped' mangled-name='ieee80211_sched_scan_stopped' filepath='net/mac80211/scan.c' line='1453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_sched_scan_stopped'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/scan.c' line='1453' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_sta_ps_transition' mangled-name='ieee80211_sta_ps_transition' filepath='net/mac80211/rx.c' line='1612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_sta_ps_transition'>
+        <parameter type-id='f27bb1b0' name='pubsta' filepath='net/mac80211/rx.c' line='1612' column='1'/>
+        <parameter type-id='b50a4934' name='start' filepath='net/mac80211/rx.c' line='1612' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ieee80211_sta_register_airtime' mangled-name='ieee80211_sta_register_airtime' filepath='net/mac80211/sta_info.c' line='1896' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_sta_register_airtime'>
+        <parameter type-id='f27bb1b0' name='pubsta' filepath='net/mac80211/sta_info.c' line='1896' column='1'/>
+        <parameter type-id='f9b06939' name='tid' filepath='net/mac80211/sta_info.c' line='1896' column='1'/>
+        <parameter type-id='19c2251e' name='tx_airtime' filepath='net/mac80211/sta_info.c' line='1897' column='1'/>
+        <parameter type-id='19c2251e' name='rx_airtime' filepath='net/mac80211/sta_info.c' line='1897' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_stop_queue' mangled-name='ieee80211_stop_queue' filepath='net/mac80211/util.c' line='563' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_stop_queue'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='563' column='1'/>
+        <parameter type-id='95e97e5e' name='queue' filepath='net/mac80211/util.c' line='563' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_stop_queues' mangled-name='ieee80211_stop_queues' filepath='net/mac80211/util.c' line='643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_stop_queues'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='643' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_stop_rx_ba_session' mangled-name='ieee80211_stop_rx_ba_session' filepath='net/mac80211/agg-rx.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_stop_rx_ba_session'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/agg-rx.c' line='125' column='1'/>
+        <parameter type-id='1dc6a898' name='ba_rx_bitmap' filepath='net/mac80211/agg-rx.c' line='125' column='1'/>
+        <parameter type-id='bbaf3419' name='addr' filepath='net/mac80211/agg-rx.c' line='126' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_stop_tx_ba_cb_irqsafe' mangled-name='ieee80211_stop_tx_ba_cb_irqsafe' filepath='net/mac80211/agg-tx.c' line='936' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_stop_tx_ba_cb_irqsafe'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/agg-tx.c' line='936' column='1'/>
+        <parameter type-id='bbaf3419' name='ra' filepath='net/mac80211/agg-tx.c' line='937' column='1'/>
+        <parameter type-id='1dc6a898' name='tid' filepath='net/mac80211/agg-tx.c' line='937' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_tdls_oper_request' mangled-name='ieee80211_tdls_oper_request' filepath='net/mac80211/tdls.c' line='1441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_tdls_oper_request'>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tdls.c' line='1441' column='1'/>
+        <parameter type-id='bbaf3419' name='peer' filepath='net/mac80211/tdls.c' line='1441' column='1'/>
+        <parameter type-id='ee1b00fc' name='oper' filepath='net/mac80211/tdls.c' line='1442' column='1'/>
+        <parameter type-id='1dc6a898' name='reason_code' filepath='net/mac80211/tdls.c' line='1443' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/mac80211/tdls.c' line='1443' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_tx_dequeue' mangled-name='ieee80211_tx_dequeue' filepath='net/mac80211/tx.c' line='3617' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_tx_dequeue'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='3617' column='1'/>
+        <parameter type-id='cde83d0f' name='txq' filepath='net/mac80211/tx.c' line='3618' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='ieee80211_tx_prepare_skb' mangled-name='ieee80211_tx_prepare_skb' filepath='net/mac80211/tx.c' line='1857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_tx_prepare_skb'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='1857' column='1'/>
+        <parameter type-id='3a1577c5' name='vif' filepath='net/mac80211/tx.c' line='1858' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac80211/tx.c' line='1858' column='1'/>
+        <parameter type-id='95e97e5e' name='band' filepath='net/mac80211/tx.c' line='1859' column='1'/>
+        <parameter type-id='52b8956e' name='sta' filepath='net/mac80211/tx.c' line='1859' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ieee80211_tx_rate_update' mangled-name='ieee80211_tx_rate_update' filepath='net/mac80211/status.c' line='1192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_tx_rate_update'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/status.c' line='1192' column='1'/>
+        <parameter type-id='f27bb1b0' name='pubsta' filepath='net/mac80211/status.c' line='1193' column='1'/>
+        <parameter type-id='16734b39' name='info' filepath='net/mac80211/status.c' line='1194' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_tx_status' mangled-name='ieee80211_tx_status' filepath='net/mac80211/status.c' line='1047' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_tx_status'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/status.c' line='1047' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac80211/status.c' line='1047' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_tx_status_irqsafe' mangled-name='ieee80211_tx_status_irqsafe' filepath='net/mac80211/status.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_tx_status_irqsafe'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/status.c' line='21' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac80211/status.c' line='22' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_txq_get_depth' mangled-name='ieee80211_txq_get_depth' filepath='net/mac80211/util.c' line='4475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_txq_get_depth'>
+        <parameter type-id='cde83d0f' name='txq' filepath='net/mac80211/util.c' line='4475' column='1'/>
+        <parameter type-id='1d2c2b85' name='frame_cnt' filepath='net/mac80211/util.c' line='4476' column='1'/>
+        <parameter type-id='1d2c2b85' name='byte_cnt' filepath='net/mac80211/util.c' line='4477' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_txq_may_transmit' mangled-name='ieee80211_txq_may_transmit' filepath='net/mac80211/tx.c' line='3915' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_txq_may_transmit'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='3915' column='1'/>
+        <parameter type-id='cde83d0f' name='txq' filepath='net/mac80211/tx.c' line='3916' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ieee80211_txq_schedule_start' mangled-name='ieee80211_txq_schedule_start' filepath='net/mac80211/tx.c' line='3965' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_txq_schedule_start'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/tx.c' line='3965' column='1'/>
+        <parameter type-id='f9b06939' name='ac' filepath='net/mac80211/tx.c' line='3965' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_unregister_hw' mangled-name='ieee80211_unregister_hw' filepath='net/mac80211/main.c' line='1361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_unregister_hw'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/main.c' line='1361' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_wake_queue' mangled-name='ieee80211_wake_queue' filepath='net/mac80211/util.c' line='496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_wake_queue'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='496' column='1'/>
+        <parameter type-id='95e97e5e' name='queue' filepath='net/mac80211/util.c' line='496' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee80211_wake_queues' mangled-name='ieee80211_wake_queues' filepath='net/mac80211/util.c' line='685' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee80211_wake_queues'>
+        <parameter type-id='1905517d' name='hw' filepath='net/mac80211/util.c' line='685' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee802154_alloc_hw' mangled-name='ieee802154_alloc_hw' filepath='net/mac802154/main.c' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_alloc_hw'>
+        <parameter type-id='b59d7dce' name='priv_data_len' filepath='net/mac802154/main.c' line='47' column='1'/>
+        <parameter type-id='3f26598b' name='ops' filepath='net/mac802154/main.c' line='47' column='1'/>
+        <return type-id='c67366c7'/>
+      </function-decl>
+      <function-decl name='ieee802154_free_hw' mangled-name='ieee802154_free_hw' filepath='net/mac802154/main.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_free_hw'>
+        <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/main.c' line='118' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee802154_register_hw' mangled-name='ieee802154_register_hw' filepath='net/mac802154/main.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_register_hw'>
+        <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/main.c' line='142' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ieee802154_rx_irqsafe' mangled-name='ieee802154_rx_irqsafe' filepath='net/mac802154/rx.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_rx_irqsafe'>
+        <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/rx.c' line='294' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac802154/rx.c' line='294' column='1'/>
+        <parameter type-id='f9b06939' name='lqi' filepath='net/mac802154/rx.c' line='294' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee802154_unregister_hw' mangled-name='ieee802154_unregister_hw' filepath='net/mac802154/main.c' line='207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_unregister_hw'>
+        <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/main.c' line='207' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee802154_wake_queue' mangled-name='ieee802154_wake_queue' filepath='net/mac802154/util.c' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_wake_queue'>
+        <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/util.c' line='16' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ieee802154_xmit_complete' mangled-name='ieee802154_xmit_complete' filepath='net/mac802154/util.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_xmit_complete'>
+        <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/util.c' line='58' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac802154/util.c' line='58' column='1'/>
+        <parameter type-id='b50a4934' name='ifs_handling' filepath='net/mac802154/util.c' line='59' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='ignore_console_lock_warning' type-id='49178f86' mangled-name='ignore_console_lock_warning' visibility='default' filepath='kernel/printk/printk.c' line='74' column='1' elf-symbol-id='ignore_console_lock_warning'/>
+      <function-decl name='iio_alloc_pollfunc' mangled-name='iio_alloc_pollfunc' filepath='drivers/iio/industrialio-trigger.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_alloc_pollfunc'>
+        <parameter type-id='3fefe9b7' name='h' filepath='drivers/iio/industrialio-trigger.c' line='324' column='1'/>
+        <parameter type-id='3fefe9b7' name='thread' filepath='drivers/iio/industrialio-trigger.c' line='325' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='drivers/iio/industrialio-trigger.c' line='326' column='1'/>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-trigger.c' line='327' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/iio/industrialio-trigger.c' line='328' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='9add1da7'/>
+      </function-decl>
+      <function-decl name='iio_buffer_init' mangled-name='iio_buffer_init' filepath='drivers/iio/industrialio-buffer.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_buffer_init'>
+        <parameter type-id='aa9ea333' name='buffer' filepath='drivers/iio/industrialio-buffer.c' line='202' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_buffer_put' mangled-name='iio_buffer_put' filepath='drivers/iio/industrialio-buffer.c' line='1500' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_buffer_put'>
+        <parameter type-id='aa9ea333' name='buffer' filepath='drivers/iio/industrialio-buffer.c' line='1500' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_channel_get' mangled-name='iio_channel_get' filepath='drivers/iio/inkern.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_channel_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/inkern.c' line='332' column='1'/>
+        <parameter type-id='80f4b756' name='channel_name' filepath='drivers/iio/inkern.c' line='333' column='1'/>
+        <return type-id='2712709a'/>
+      </function-decl>
+      <function-decl name='iio_channel_get_all' mangled-name='iio_channel_get_all' filepath='drivers/iio/inkern.c' line='387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_channel_get_all'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/inkern.c' line='387' column='1'/>
+        <return type-id='2712709a'/>
+      </function-decl>
+      <function-decl name='iio_channel_release' mangled-name='iio_channel_release' filepath='drivers/iio/inkern.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_channel_release'>
+        <parameter type-id='2712709a' name='channel' filepath='drivers/iio/inkern.c' line='349' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_channel_release_all' mangled-name='iio_channel_release_all' filepath='drivers/iio/inkern.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_channel_release_all'>
+        <parameter type-id='2712709a' name='channels' filepath='drivers/iio/inkern.c' line='460' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_dealloc_pollfunc' mangled-name='iio_dealloc_pollfunc' filepath='drivers/iio/industrialio-trigger.c' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_dealloc_pollfunc'>
+        <parameter type-id='9add1da7' name='pf' filepath='drivers/iio/industrialio-trigger.c' line='353' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_device_alloc' mangled-name='iio_device_alloc' filepath='drivers/iio/industrialio-core.c' line='1531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_device_alloc'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/iio/industrialio-core.c' line='1531' column='1'/>
+        <parameter type-id='95e97e5e' name='sizeof_priv' filepath='drivers/iio/industrialio-core.c' line='1531' column='1'/>
+        <return type-id='226853d2'/>
+      </function-decl>
+      <function-decl name='iio_device_attach_buffer' mangled-name='iio_device_attach_buffer' filepath='drivers/iio/industrialio-buffer.c' line='1516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_device_attach_buffer'>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-buffer.c' line='1516' column='1'/>
+        <parameter type-id='aa9ea333' name='buffer' filepath='drivers/iio/industrialio-buffer.c' line='1517' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_device_free' mangled-name='iio_device_free' filepath='drivers/iio/industrialio-core.c' line='1579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_device_free'>
+        <parameter type-id='226853d2' name='dev' filepath='drivers/iio/industrialio-core.c' line='1579' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_device_unregister' mangled-name='iio_device_unregister' filepath='drivers/iio/industrialio-core.c' line='1797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_device_unregister'>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1797' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_get_channel_type' mangled-name='iio_get_channel_type' filepath='drivers/iio/inkern.c' line='833' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_get_channel_type'>
+        <parameter type-id='2712709a' name='chan' filepath='drivers/iio/inkern.c' line='833' column='1'/>
+        <parameter type-id='4a2371f8' name='type' filepath='drivers/iio/inkern.c' line='833' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iio_get_time_ns' mangled-name='iio_get_time_ns' filepath='drivers/iio/industrialio-core.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_get_time_ns'>
+        <parameter type-id='78041e8f' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='240' column='1'/>
+        <return type-id='9b7c55ef'/>
+      </function-decl>
+      <function-decl name='iio_push_event' mangled-name='iio_push_event' filepath='drivers/iio/industrialio-event.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_push_event'>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-event.c' line='64' column='1'/>
+        <parameter type-id='91ce1af9' name='ev_code' filepath='drivers/iio/industrialio-event.c' line='64' column='1'/>
+        <parameter type-id='9b7c55ef' name='timestamp' filepath='drivers/iio/industrialio-event.c' line='64' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iio_push_to_buffers' mangled-name='iio_push_to_buffers' filepath='drivers/iio/industrialio-buffer.c' line='1449' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_push_to_buffers'>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-buffer.c' line='1449' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/iio/industrialio-buffer.c' line='1449' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iio_read_channel_processed' mangled-name='iio_read_channel_processed' filepath='drivers/iio/inkern.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_read_channel_processed'>
+        <parameter type-id='2712709a' name='chan' filepath='drivers/iio/inkern.c' line='686' column='1'/>
+        <parameter type-id='7292109c' name='val' filepath='drivers/iio/inkern.c' line='686' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iio_read_channel_raw' mangled-name='iio_read_channel_raw' filepath='drivers/iio/inkern.c' line='527' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_read_channel_raw'>
+        <parameter type-id='2712709a' name='chan' filepath='drivers/iio/inkern.c' line='527' column='1'/>
+        <parameter type-id='7292109c' name='val' filepath='drivers/iio/inkern.c' line='527' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iio_read_const_attr' mangled-name='iio_read_const_attr' filepath='drivers/iio/industrialio-core.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_read_const_attr'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/industrialio-core.c' line='202' column='1'/>
+        <parameter type-id='89a2612a' name='attr' filepath='drivers/iio/industrialio-core.c' line='203' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='drivers/iio/industrialio-core.c' line='204' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='iio_trigger_notify_done' mangled-name='iio_trigger_notify_done' filepath='drivers/iio/industrialio-trigger.c' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_trigger_notify_done'>
+        <parameter type-id='54e54fbb' name='trig' filepath='drivers/iio/industrialio-trigger.c' line='203' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iio_update_buffers' mangled-name='iio_update_buffers' filepath='drivers/iio/industrialio-buffer.c' line='1113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_update_buffers'>
+        <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-buffer.c' line='1113' column='1'/>
+        <parameter type-id='aa9ea333' name='insert_buffer' filepath='drivers/iio/industrialio-buffer.c' line='1114' column='1'/>
+        <parameter type-id='aa9ea333' name='remove_buffer' filepath='drivers/iio/industrialio-buffer.c' line='1115' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='import_iovec' mangled-name='import_iovec' filepath='lib/iov_iter.c' line='1801' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='import_iovec'>
+        <parameter type-id='95e97e5e' name='type' filepath='lib/iov_iter.c' line='1801' column='1'/>
+        <parameter type-id='2c556848' name='uvec' filepath='lib/iov_iter.c' line='1801' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_segs' filepath='lib/iov_iter.c' line='1802' column='1'/>
+        <parameter type-id='f0981eeb' name='fast_segs' filepath='lib/iov_iter.c' line='1802' column='1'/>
+        <parameter type-id='5d3cb3f9' name='iovp' filepath='lib/iov_iter.c' line='1803' column='1'/>
+        <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='1803' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='in4_pton' mangled-name='in4_pton' filepath='net/core/utils.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='in4_pton'>
+        <parameter type-id='80f4b756' name='src' filepath='net/core/utils.c' line='118' column='1'/>
+        <parameter type-id='95e97e5e' name='srclen' filepath='net/core/utils.c' line='118' column='1'/>
+        <parameter type-id='8bff8096' name='dst' filepath='net/core/utils.c' line='119' column='1'/>
+        <parameter type-id='95e97e5e' name='delim' filepath='net/core/utils.c' line='120' column='1'/>
+        <parameter type-id='7d3cd834' name='end' filepath='net/core/utils.c' line='120' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='in6_dev_finish_destroy' mangled-name='in6_dev_finish_destroy' filepath='net/ipv6/addrconf_core.c' line='248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='in6_dev_finish_destroy'>
+        <parameter type-id='f026b16b' name='idev' filepath='net/ipv6/addrconf_core.c' line='248' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='in6_pton' mangled-name='in6_pton' filepath='net/core/utils.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='in6_pton'>
+        <parameter type-id='80f4b756' name='src' filepath='net/core/utils.c' line='184' column='1'/>
+        <parameter type-id='95e97e5e' name='srclen' filepath='net/core/utils.c' line='184' column='1'/>
+        <parameter type-id='8bff8096' name='dst' filepath='net/core/utils.c' line='185' column='1'/>
+        <parameter type-id='95e97e5e' name='delim' filepath='net/core/utils.c' line='186' column='1'/>
+        <parameter type-id='7d3cd834' name='end' filepath='net/core/utils.c' line='186' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='in_aton' mangled-name='in_aton' filepath='net/core/utils.c' line='50' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='in_aton'>
+        <parameter type-id='80f4b756' name='str' filepath='net/core/utils.c' line='50' column='1'/>
+        <return type-id='78a133c2'/>
+      </function-decl>
+      <function-decl name='in_egroup_p' mangled-name='in_egroup_p' filepath='kernel/groups.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='in_egroup_p'>
+        <parameter type-id='094d8048' name='grp' filepath='kernel/groups.c' line='231' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='inc_zone_page_state' mangled-name='inc_zone_page_state' filepath='mm/vmstat.c' line='534' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='inc_zone_page_state'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/vmstat.c' line='534' column='1'/>
+        <parameter type-id='a1f2d9a1' name='item' filepath='mm/vmstat.c' line='534' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='init_dummy_netdev' mangled-name='init_dummy_netdev' filepath='net/core/dev.c' line='10099' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='init_dummy_netdev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10099' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='init_iova_domain' mangled-name='init_iova_domain' filepath='drivers/iommu/iova.c' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='init_iova_domain'>
+        <parameter type-id='0c2c419d' name='iovad' filepath='drivers/iommu/iova.c' line='30' column='1'/>
+        <parameter type-id='7359adad' name='granule' filepath='drivers/iommu/iova.c' line='30' column='1'/>
+        <parameter type-id='7359adad' name='start_pfn' filepath='drivers/iommu/iova.c' line='31' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='init_net' type-id='bd965180' mangled-name='init_net' visibility='default' filepath='net/core/net_namespace.c' line='47' column='1' elf-symbol-id='init_net'/>
+      <var-decl name='init_pid_ns' type-id='0252e252' mangled-name='init_pid_ns' visibility='default' filepath='kernel/pid.c' line='78' column='1' elf-symbol-id='init_pid_ns'/>
+      <function-decl name='init_pseudo' mangled-name='init_pseudo' filepath='fs/libfs.c' line='368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='init_pseudo'>
+        <parameter type-id='5760dcb0' name='fc' filepath='fs/libfs.c' line='368' column='1'/>
+        <parameter type-id='7359adad' name='magic' filepath='fs/libfs.c' line='369' column='1'/>
+        <return type-id='79f85ebf'/>
+      </function-decl>
+      <function-decl name='init_srcu_struct' mangled-name='init_srcu_struct' filepath='kernel/rcu/srcutree.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='init_srcu_struct'>
+        <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='213' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='init_task' type-id='bc3f1924' mangled-name='init_task' visibility='default' filepath='init/init_task.c' line='64' column='1' elf-symbol-id='init_task'/>
+      <function-decl name='init_timer_key' mangled-name='init_timer_key' filepath='kernel/time/timer.c' line='818' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='init_timer_key'>
+        <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='818' column='1'/>
+        <parameter type-id='9582ad9a' name='func' filepath='kernel/time/timer.c' line='819' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='kernel/time/timer.c' line='819' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/time/timer.c' line='820' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='kernel/time/timer.c' line='820' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='init_user_ns' type-id='8c178e22' mangled-name='init_user_ns' visibility='default' filepath='kernel/user.c' line='29' column='1' elf-symbol-id='init_user_ns'/>
+      <var-decl name='init_uts_ns' type-id='44f52e9d' mangled-name='init_uts_ns' visibility='default' filepath='init/version.c' line='27' column='1' elf-symbol-id='init_uts_ns'/>
+      <function-decl name='init_wait_entry' mangled-name='init_wait_entry' filepath='kernel/sched/wait.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='init_wait_entry'>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='282' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='kernel/sched/wait.c' line='282' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_alloc_absinfo' mangled-name='input_alloc_absinfo' filepath='drivers/input/input.c' line='497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_alloc_absinfo'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='497' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_allocate_device' mangled-name='input_allocate_device' filepath='drivers/input/input.c' line='1821' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_allocate_device'>
+        <return type-id='74b427eb'/>
+      </function-decl>
+      <function-decl name='input_close_device' mangled-name='input_close_device' filepath='drivers/input/input.c' line='681' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_close_device'>
+        <parameter type-id='bef1b918' name='handle' filepath='drivers/input/input.c' line='681' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_event' mangled-name='input_event' filepath='drivers/input/input.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_event'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='444' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='drivers/input/input.c' line='445' column='1'/>
+        <parameter type-id='f0981eeb' name='code' filepath='drivers/input/input.c' line='445' column='1'/>
+        <parameter type-id='95e97e5e' name='value' filepath='drivers/input/input.c' line='445' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_ff_create' mangled-name='input_ff_create' filepath='drivers/input/ff-core.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_ff_create'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/ff-core.c' line='305' column='1'/>
+        <parameter type-id='f0981eeb' name='max_effects' filepath='drivers/input/ff-core.c' line='305' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_ff_create_memless' mangled-name='input_ff_create_memless' filepath='drivers/input/ff-memless.c' line='510' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_ff_create_memless'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/ff-memless.c' line='510' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/input/ff-memless.c' line='510' column='1'/>
+        <parameter type-id='2d974d69' name='play_effect' filepath='drivers/input/ff-memless.c' line='511' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_free_device' mangled-name='input_free_device' filepath='drivers/input/input.c' line='1926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_free_device'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='1926' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_mt_assign_slots' mangled-name='input_mt_assign_slots' filepath='drivers/input/input-mt.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_assign_slots'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='440' column='1'/>
+        <parameter type-id='7292109c' name='slots' filepath='drivers/input/input-mt.c' line='440' column='1'/>
+        <parameter type-id='2c1e3f15' name='pos' filepath='drivers/input/input-mt.c' line='441' column='1'/>
+        <parameter type-id='95e97e5e' name='num_pos' filepath='drivers/input/input-mt.c' line='441' column='1'/>
+        <parameter type-id='95e97e5e' name='dmax' filepath='drivers/input/input-mt.c' line='442' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_mt_destroy_slots' mangled-name='input_mt_destroy_slots' filepath='drivers/input/input-mt.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_destroy_slots'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='110' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_mt_drop_unused' mangled-name='input_mt_drop_unused' filepath='drivers/input/input-mt.c' line='276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_drop_unused'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='276' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_mt_init_slots' mangled-name='input_mt_init_slots' filepath='drivers/input/input-mt.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_init_slots'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='38' column='1'/>
+        <parameter type-id='f0981eeb' name='num_slots' filepath='drivers/input/input-mt.c' line='38' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='drivers/input/input-mt.c' line='39' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_mt_report_finger_count' mangled-name='input_mt_report_finger_count' filepath='drivers/input/input-mt.c' line='174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_report_finger_count'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='174' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/input/input-mt.c' line='174' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_mt_report_pointer_emulation' mangled-name='input_mt_report_pointer_emulation' filepath='drivers/input/input-mt.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_report_pointer_emulation'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='195' column='1'/>
+        <parameter type-id='b50a4934' name='use_count' filepath='drivers/input/input-mt.c' line='195' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_mt_report_slot_state' mangled-name='input_mt_report_slot_state' filepath='drivers/input/input-mt.c' line='134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_report_slot_state'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='134' column='1'/>
+        <parameter type-id='f0981eeb' name='tool_type' filepath='drivers/input/input-mt.c' line='135' column='1'/>
+        <parameter type-id='b50a4934' name='active' filepath='drivers/input/input-mt.c' line='135' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='input_mt_sync_frame' mangled-name='input_mt_sync_frame' filepath='drivers/input/input-mt.c' line='295' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_sync_frame'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='295' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_open_device' mangled-name='input_open_device' filepath='drivers/input/input.c' line='610' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_open_device'>
+        <parameter type-id='bef1b918' name='handle' filepath='drivers/input/input.c' line='610' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_register_device' mangled-name='input_register_device' filepath='drivers/input/input.c' line='2172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_register_device'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='2172' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_register_handle' mangled-name='input_register_handle' filepath='drivers/input/input.c' line='2397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_register_handle'>
+        <parameter type-id='bef1b918' name='handle' filepath='drivers/input/input.c' line='2397' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_register_handler' mangled-name='input_register_handler' filepath='drivers/input/input.c' line='2306' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_register_handler'>
+        <parameter type-id='4938abae' name='handler' filepath='drivers/input/input.c' line='2306' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_set_abs_params' mangled-name='input_set_abs_params' filepath='drivers/input/input.c' line='515' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_set_abs_params'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='515' column='1'/>
+        <parameter type-id='f0981eeb' name='axis' filepath='drivers/input/input.c' line='515' column='1'/>
+        <parameter type-id='95e97e5e' name='min' filepath='drivers/input/input.c' line='516' column='1'/>
+        <parameter type-id='95e97e5e' name='max' filepath='drivers/input/input.c' line='516' column='1'/>
+        <parameter type-id='95e97e5e' name='fuzz' filepath='drivers/input/input.c' line='516' column='1'/>
+        <parameter type-id='95e97e5e' name='flat' filepath='drivers/input/input.c' line='516' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_set_capability' mangled-name='input_set_capability' filepath='drivers/input/input.c' line='1988' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_set_capability'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='1988' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='drivers/input/input.c' line='1988' column='1'/>
+        <parameter type-id='f0981eeb' name='code' filepath='drivers/input/input.c' line='1988' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_set_poll_interval' mangled-name='input_set_poll_interval' filepath='drivers/input/input-poller.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_set_poll_interval'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-poller.c' line='105' column='1'/>
+        <parameter type-id='f0981eeb' name='interval' filepath='drivers/input/input-poller.c' line='105' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_set_timestamp' mangled-name='input_set_timestamp' filepath='drivers/input/input.c' line='1953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_set_timestamp'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='1953' column='1'/>
+        <parameter type-id='fbc017ef' name='timestamp' filepath='drivers/input/input.c' line='1953' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_setup_polling' mangled-name='input_setup_polling' filepath='drivers/input/input-poller.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_setup_polling'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-poller.c' line='68' column='1'/>
+        <parameter type-id='b44880ea' name='poll_fn' filepath='drivers/input/input-poller.c' line='69' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='input_unregister_device' mangled-name='input_unregister_device' filepath='drivers/input/input.c' line='2279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_unregister_device'>
+        <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='2279' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_unregister_handle' mangled-name='input_unregister_handle' filepath='drivers/input/input.c' line='2447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_unregister_handle'>
+        <parameter type-id='bef1b918' name='handle' filepath='drivers/input/input.c' line='2447' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='input_unregister_handler' mangled-name='input_unregister_handler' filepath='drivers/input/input.c' line='2336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_unregister_handler'>
+        <parameter type-id='4938abae' name='handler' filepath='drivers/input/input.c' line='2336' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='int_pow' mangled-name='int_pow' filepath='lib/math/int_pow.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='int_pow'>
+        <parameter type-id='91ce1af9' name='base' filepath='lib/math/int_pow.c' line='19' column='1'/>
+        <parameter type-id='f0981eeb' name='exp' filepath='lib/math/int_pow.c' line='19' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='int_sqrt' mangled-name='int_sqrt' filepath='lib/math/int_sqrt.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='int_sqrt'>
+        <parameter type-id='7359adad' name='x' filepath='lib/math/int_sqrt.c' line='19' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='int_to_scsilun' mangled-name='int_to_scsilun' filepath='drivers/scsi/scsi_common.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='int_to_scsilun'>
+        <parameter type-id='91ce1af9' name='lun' filepath='drivers/scsi/scsi_common.c' line='105' column='1'/>
+        <parameter type-id='a9aa3e2b' name='scsilun' filepath='drivers/scsi/scsi_common.c' line='105' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='interval_tree_insert' mangled-name='interval_tree_insert' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_insert'>
+        <parameter type-id='c7ea70e0' name='node' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <parameter type-id='9e8dca7d' name='root' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='interval_tree_iter_first' mangled-name='interval_tree_iter_first' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_iter_first'>
+        <parameter type-id='9e8dca7d' name='root' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <parameter type-id='7359adad' name='last' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <return type-id='c7ea70e0'/>
+      </function-decl>
+      <function-decl name='interval_tree_iter_next' mangled-name='interval_tree_iter_next' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_iter_next'>
+        <parameter type-id='c7ea70e0' name='node' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <parameter type-id='7359adad' name='last' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <return type-id='c7ea70e0'/>
+      </function-decl>
+      <function-decl name='interval_tree_remove' mangled-name='interval_tree_remove' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_remove'>
+        <parameter type-id='c7ea70e0' name='node' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <parameter type-id='9e8dca7d' name='root' filepath='lib/interval_tree.c' line='10' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='invalidate_mapping_pages' mangled-name='invalidate_mapping_pages' filepath='mm/truncate.c' line='629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='invalidate_mapping_pages'>
+        <parameter type-id='f57039f0' name='mapping' filepath='mm/truncate.c' line='629' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='mm/truncate.c' line='630' column='1'/>
+        <parameter type-id='7359adad' name='end' filepath='mm/truncate.c' line='630' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='io_schedule' mangled-name='io_schedule' filepath='kernel/sched/core.c' line='6582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='io_schedule'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='io_schedule_timeout' mangled-name='io_schedule_timeout' filepath='kernel/sched/core.c' line='6569' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='io_schedule_timeout'>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/sched/core.c' line='6569' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <var-decl name='iomem_resource' type-id='5218160d' mangled-name='iomem_resource' visibility='default' filepath='kernel/resource.c' line='38' column='1' elf-symbol-id='iomem_resource'/>
+      <function-decl name='iommu_alloc_resv_region' mangled-name='iommu_alloc_resv_region' filepath='drivers/iommu/iommu.c' line='2844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_alloc_resv_region'>
+        <parameter type-id='2522883d' name='start' filepath='drivers/iommu/iommu.c' line='2844' column='1'/>
+        <parameter type-id='b59d7dce' name='length' filepath='drivers/iommu/iommu.c' line='2845' column='1'/>
+        <parameter type-id='95e97e5e' name='prot' filepath='drivers/iommu/iommu.c' line='2845' column='1'/>
+        <parameter type-id='256c2037' name='type' filepath='drivers/iommu/iommu.c' line='2846' column='1'/>
+        <return type-id='24b0cc5e'/>
+      </function-decl>
+      <function-decl name='iommu_attach_device' mangled-name='iommu_attach_device' filepath='drivers/iommu/iommu.c' line='1966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_attach_device'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='1966' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1966' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_attach_group' mangled-name='iommu_attach_group' filepath='drivers/iommu/iommu.c' line='2298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_attach_group'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2298' column='1'/>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='2298' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_aux_attach_device' mangled-name='iommu_aux_attach_device' filepath='drivers/iommu/iommu.c' line='3030' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_aux_attach_device'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='3030' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='3030' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_aux_detach_device' mangled-name='iommu_aux_detach_device' filepath='drivers/iommu/iommu.c' line='3044' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_aux_detach_device'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='3044' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='3044' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_aux_get_pasid' mangled-name='iommu_aux_get_pasid' filepath='drivers/iommu/iommu.c' line='3053' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_aux_get_pasid'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='3053' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='3053' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_detach_device' mangled-name='iommu_detach_device' filepath='drivers/iommu/iommu.c' line='2217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_detach_device'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2217' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2217' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_detach_group' mangled-name='iommu_detach_group' filepath='drivers/iommu/iommu.c' line='2343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_detach_group'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2343' column='1'/>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='2343' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_dev_enable_feature' mangled-name='iommu_dev_enable_feature' filepath='drivers/iommu/iommu.c' line='2976' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dev_enable_feature'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2976' column='1'/>
+        <parameter type-id='29d28711' name='feat' filepath='drivers/iommu/iommu.c' line='2976' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_dev_feature_enabled' mangled-name='iommu_dev_feature_enabled' filepath='drivers/iommu/iommu.c' line='3007' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dev_feature_enabled'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='3007' column='1'/>
+        <parameter type-id='29d28711' name='feat' filepath='drivers/iommu/iommu.c' line='3007' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='iommu_device_register' mangled-name='iommu_device_register' filepath='drivers/iommu/iommu.c' line='154' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_register'>
+        <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu.c' line='154' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_device_sysfs_add' mangled-name='iommu_device_sysfs_add' filepath='drivers/iommu/iommu-sysfs.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_sysfs_add'>
+        <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu-sysfs.c' line='54' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/iommu/iommu-sysfs.c' line='55' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='drivers/iommu/iommu-sysfs.c' line='56' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/iommu/iommu-sysfs.c' line='57' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_device_sysfs_remove' mangled-name='iommu_device_sysfs_remove' filepath='drivers/iommu/iommu-sysfs.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_sysfs_remove'>
+        <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu-sysfs.c' line='92' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_device_unlink' mangled-name='iommu_device_unlink' filepath='drivers/iommu/iommu-sysfs.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_unlink'>
+        <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu-sysfs.c' line='127' column='1'/>
+        <parameter type-id='fa0b179b' name='link' filepath='drivers/iommu/iommu-sysfs.c' line='127' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_device_unregister' mangled-name='iommu_device_unregister' filepath='drivers/iommu/iommu.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_unregister'>
+        <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu.c' line='163' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_dma_enable_best_fit_algo' mangled-name='iommu_dma_enable_best_fit_algo' filepath='drivers/iommu/dma-iommu.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dma_enable_best_fit_algo'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/dma-iommu.c' line='407' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_dma_get_resv_regions' mangled-name='iommu_dma_get_resv_regions' filepath='drivers/iommu/dma-iommu.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dma_get_resv_regions'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/dma-iommu.c' line='161' column='1'/>
+        <parameter type-id='e84b031a' name='list' filepath='drivers/iommu/dma-iommu.c' line='161' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_dma_reserve_iova' mangled-name='iommu_dma_reserve_iova' filepath='drivers/iommu/dma-iommu.c' line='379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dma_reserve_iova'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/dma-iommu.c' line='379' column='1'/>
+        <parameter type-id='cf29c9b3' name='base' filepath='drivers/iommu/dma-iommu.c' line='379' column='1'/>
+        <parameter type-id='91ce1af9' name='size' filepath='drivers/iommu/dma-iommu.c' line='380' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_domain_alloc' mangled-name='iommu_domain_alloc' filepath='drivers/iommu/iommu.c' line='1940' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_domain_alloc'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/iommu/iommu.c' line='1940' column='1'/>
+        <return type-id='bff05edb'/>
+      </function-decl>
+      <function-decl name='iommu_domain_free' mangled-name='iommu_domain_free' filepath='drivers/iommu/iommu.c' line='1946' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_domain_free'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='1946' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_fwspec_add_ids' mangled-name='iommu_fwspec_add_ids' filepath='drivers/iommu/iommu.c' line='2936' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_fwspec_add_ids'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2936' column='1'/>
+        <parameter type-id='f9409001' name='ids' filepath='drivers/iommu/iommu.c' line='2936' column='1'/>
+        <parameter type-id='95e97e5e' name='num_ids' filepath='drivers/iommu/iommu.c' line='2936' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_fwspec_free' mangled-name='iommu_fwspec_free' filepath='drivers/iommu/iommu.c' line='2924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_fwspec_free'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2924' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_get_dma_cookie' mangled-name='iommu_get_dma_cookie' filepath='drivers/iommu/dma-iommu.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_get_dma_cookie'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/dma-iommu.c' line='79' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_get_domain_for_dev' mangled-name='iommu_get_domain_for_dev' filepath='drivers/iommu/iommu.c' line='2239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_get_domain_for_dev'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2239' column='1'/>
+        <return type-id='bff05edb'/>
+      </function-decl>
+      <function-decl name='iommu_group_alloc' mangled-name='iommu_group_alloc' filepath='drivers/iommu/iommu.c' line='591' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_alloc'>
+        <return type-id='0b19fc54'/>
+      </function-decl>
+      <function-decl name='iommu_group_for_each_dev' mangled-name='iommu_group_for_each_dev' filepath='drivers/iommu/iommu.c' line='978' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_for_each_dev'>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='978' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/iommu/iommu.c' line='978' column='1'/>
+        <parameter type-id='92d15ae9' name='fn' filepath='drivers/iommu/iommu.c' line='979' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_group_get' mangled-name='iommu_group_get' filepath='drivers/iommu/iommu.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='999' column='1'/>
+        <return type-id='0b19fc54'/>
+      </function-decl>
+      <function-decl name='iommu_group_get_iommudata' mangled-name='iommu_group_get_iommudata' filepath='drivers/iommu/iommu.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_get_iommudata'>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='686' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='iommu_group_put' mangled-name='iommu_group_put' filepath='drivers/iommu/iommu.c' line='1031' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_put'>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='1031' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_group_ref_get' mangled-name='iommu_group_ref_get' filepath='drivers/iommu/iommu.c' line='1017' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_ref_get'>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='1017' column='1'/>
+        <return type-id='0b19fc54'/>
+      </function-decl>
+      <function-decl name='iommu_group_set_iommudata' mangled-name='iommu_group_set_iommudata' filepath='drivers/iommu/iommu.c' line='702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_set_iommudata'>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='702' column='1'/>
+        <parameter type-id='eaa32e2f' name='iommu_data' filepath='drivers/iommu/iommu.c' line='702' column='1'/>
+        <parameter type-id='b7f9d8e6' name='release' filepath='drivers/iommu/iommu.c' line='703' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_group_set_name' mangled-name='iommu_group_set_name' filepath='drivers/iommu/iommu.c' line='718' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_set_name'>
+        <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='718' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/iommu/iommu.c' line='718' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_iova_to_phys' mangled-name='iommu_iova_to_phys' filepath='drivers/iommu/iommu.c' line='2351' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_iova_to_phys'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2351' column='1'/>
+        <parameter type-id='cf29c9b3' name='iova' filepath='drivers/iommu/iommu.c' line='2351' column='1'/>
+        <return type-id='2522883d'/>
+      </function-decl>
+      <function-decl name='iommu_map' mangled-name='iommu_map' filepath='drivers/iommu/iommu.c' line='2512' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_map'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2512' column='1'/>
+        <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2512' column='1'/>
+        <parameter type-id='2522883d' name='paddr' filepath='drivers/iommu/iommu.c' line='2513' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/iommu/iommu.c' line='2513' column='1'/>
+        <parameter type-id='95e97e5e' name='prot' filepath='drivers/iommu/iommu.c' line='2513' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_map_sg' mangled-name='iommu_map_sg' filepath='drivers/iommu/iommu.c' line='2675' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_map_sg'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2675' column='1'/>
+        <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2675' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='drivers/iommu/iommu.c' line='2676' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='drivers/iommu/iommu.c' line='2676' column='1'/>
+        <parameter type-id='95e97e5e' name='prot' filepath='drivers/iommu/iommu.c' line='2676' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='iommu_present' mangled-name='iommu_present' filepath='drivers/iommu/iommu.c' line='1882' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_present'>
+        <parameter type-id='5e2671f8' name='bus' filepath='drivers/iommu/iommu.c' line='1882' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='iommu_put_dma_cookie' mangled-name='iommu_put_dma_cookie' filepath='drivers/iommu/dma-iommu.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_put_dma_cookie'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/dma-iommu.c' line='131' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_register_device_fault_handler' mangled-name='iommu_register_device_fault_handler' filepath='drivers/iommu/iommu.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_register_device_fault_handler'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1086' column='1'/>
+        <parameter type-id='a84f5b46' name='handler' filepath='drivers/iommu/iommu.c' line='1087' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/iommu/iommu.c' line='1088' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_report_device_fault' mangled-name='iommu_report_device_fault' filepath='drivers/iommu/iommu.c' line='1171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_report_device_fault'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1171' column='1'/>
+        <parameter type-id='af233abc' name='evt' filepath='drivers/iommu/iommu.c' line='1171' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iommu_set_fault_handler' mangled-name='iommu_set_fault_handler' filepath='drivers/iommu/iommu.c' line='1909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_set_fault_handler'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='1909' column='1'/>
+        <parameter type-id='a01c3626' name='handler' filepath='drivers/iommu/iommu.c' line='1910' column='1'/>
+        <parameter type-id='eaa32e2f' name='token' filepath='drivers/iommu/iommu.c' line='1911' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iommu_unmap' mangled-name='iommu_unmap' filepath='drivers/iommu/iommu.c' line='2594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_unmap'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2594' column='1'/>
+        <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2595' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/iommu/iommu.c' line='2595' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='iommu_unregister_device_fault_handler' mangled-name='iommu_unregister_device_fault_handler' filepath='drivers/iommu/iommu.c' line='1131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_unregister_device_fault_handler'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1131' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iounmap' mangled-name='iounmap' filepath='arch/arm64/mm/ioremap.c' line='235' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iounmap'>
+        <parameter type-id='fe09dd29' name='io_addr' filepath='arch/arm64/mm/ioremap.c' line='235' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iov_iter_bvec' mangled-name='iov_iter_bvec' filepath='lib/iov_iter.c' line='1176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iov_iter_bvec'>
+        <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='1176' column='1'/>
+        <parameter type-id='f0981eeb' name='direction' filepath='lib/iov_iter.c' line='1176' column='1'/>
+        <parameter type-id='15c9a01b' name='bvec' filepath='lib/iov_iter.c' line='1177' column='1'/>
+        <parameter type-id='7359adad' name='nr_segs' filepath='lib/iov_iter.c' line='1177' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/iov_iter.c' line='1178' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iov_iter_init' mangled-name='iov_iter_init' filepath='lib/iov_iter.c' line='449' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iov_iter_init'>
+        <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='449' column='1'/>
+        <parameter type-id='f0981eeb' name='direction' filepath='lib/iov_iter.c' line='449' column='1'/>
+        <parameter type-id='2c556848' name='iov' filepath='lib/iov_iter.c' line='450' column='1'/>
+        <parameter type-id='7359adad' name='nr_segs' filepath='lib/iov_iter.c' line='450' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/iov_iter.c' line='451' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iov_iter_kvec' mangled-name='iov_iter_kvec' filepath='lib/iov_iter.c' line='1163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iov_iter_kvec'>
+        <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='1163' column='1'/>
+        <parameter type-id='f0981eeb' name='direction' filepath='lib/iov_iter.c' line='1163' column='1'/>
+        <parameter type-id='5199c30d' name='kvec' filepath='lib/iov_iter.c' line='1164' column='1'/>
+        <parameter type-id='7359adad' name='nr_segs' filepath='lib/iov_iter.c' line='1164' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/iov_iter.c' line='1165' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ip_compute_csum' mangled-name='ip_compute_csum' filepath='lib/checksum.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip_compute_csum'>
+        <parameter type-id='eaa32e2f' name='buff' filepath='lib/checksum.c' line='142' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='lib/checksum.c' line='142' column='1'/>
+        <return type-id='7dac1e36'/>
+      </function-decl>
+      <function-decl name='ip_send_check' mangled-name='ip_send_check' filepath='net/ipv4/ip_output.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip_send_check'>
+        <parameter type-id='53be694c' name='iph' filepath='net/ipv4/ip_output.c' line='92' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='iput' mangled-name='iput' filepath='fs/inode.c' line='1709' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iput'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/inode.c' line='1709' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='ipv6_stub' type-id='ab989fa8' mangled-name='ipv6_stub' visibility='default' filepath='net/ipv6/addrconf_core.c' line='201' column='1' elf-symbol-id='ipv6_stub'/>
+      <function-decl name='irq_chip_ack_parent' mangled-name='irq_chip_ack_parent' filepath='kernel/irq/chip.c' line='1418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_ack_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1418' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_chip_disable_parent' mangled-name='irq_chip_disable_parent' filepath='kernel/irq/chip.c' line='1404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_disable_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1404' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_chip_enable_parent' mangled-name='irq_chip_enable_parent' filepath='kernel/irq/chip.c' line='1389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_enable_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1389' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_chip_eoi_parent' mangled-name='irq_chip_eoi_parent' filepath='kernel/irq/chip.c' line='1462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_eoi_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1462' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_chip_get_parent_state' mangled-name='irq_chip_get_parent_state' filepath='kernel/irq/chip.c' line='1371' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_get_parent_state'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1371' column='1'/>
+        <parameter type-id='0187da1b' name='which' filepath='kernel/irq/chip.c' line='1372' column='1'/>
+        <parameter type-id='d8e6b335' name='state' filepath='kernel/irq/chip.c' line='1373' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_chip_mask_parent' mangled-name='irq_chip_mask_parent' filepath='kernel/irq/chip.c' line='1429' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_mask_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1429' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_chip_retrigger_hierarchy' mangled-name='irq_chip_retrigger_hierarchy' filepath='kernel/irq/chip.c' line='1513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_retrigger_hierarchy'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1513' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_chip_set_affinity_parent' mangled-name='irq_chip_set_affinity_parent' filepath='kernel/irq/chip.c' line='1477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_affinity_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1477' column='1'/>
+        <parameter type-id='5f8a1ac4' name='dest' filepath='kernel/irq/chip.c' line='1478' column='1'/>
+        <parameter type-id='b50a4934' name='force' filepath='kernel/irq/chip.c' line='1478' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_chip_set_parent_state' mangled-name='irq_chip_set_parent_state' filepath='kernel/irq/chip.c' line='1349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_parent_state'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1349' column='1'/>
+        <parameter type-id='0187da1b' name='which' filepath='kernel/irq/chip.c' line='1350' column='1'/>
+        <parameter type-id='b50a4934' name='val' filepath='kernel/irq/chip.c' line='1351' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_chip_set_type_parent' mangled-name='irq_chip_set_type_parent' filepath='kernel/irq/chip.c' line='1495' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_type_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1495' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='kernel/irq/chip.c' line='1495' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_chip_set_vcpu_affinity_parent' mangled-name='irq_chip_set_vcpu_affinity_parent' filepath='kernel/irq/chip.c' line='1528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_vcpu_affinity_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1528' column='1'/>
+        <parameter type-id='eaa32e2f' name='vcpu_info' filepath='kernel/irq/chip.c' line='1528' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_chip_set_wake_parent' mangled-name='irq_chip_set_wake_parent' filepath='kernel/irq/chip.c' line='1544' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_wake_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1544' column='1'/>
+        <parameter type-id='f0981eeb' name='on' filepath='kernel/irq/chip.c' line='1544' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_chip_unmask_parent' mangled-name='irq_chip_unmask_parent' filepath='kernel/irq/chip.c' line='1451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_unmask_parent'>
+        <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1451' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_create_mapping_affinity' mangled-name='irq_create_mapping_affinity' filepath='kernel/irq/irqdomain.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_create_mapping_affinity'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='705' column='1'/>
+        <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='706' column='1'/>
+        <parameter type-id='07779cd9' name='affinity' filepath='kernel/irq/irqdomain.c' line='707' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='irq_create_of_mapping' mangled-name='irq_create_of_mapping' filepath='kernel/irq/irqdomain.c' line='900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_create_of_mapping'>
+        <parameter type-id='51a94113' name='irq_data' filepath='kernel/irq/irqdomain.c' line='900' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='irq_dispose_mapping' mangled-name='irq_dispose_mapping' filepath='kernel/irq/irqdomain.c' line='915' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_dispose_mapping'>
+        <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='915' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_domain_alloc_irqs_parent' mangled-name='irq_domain_alloc_irqs_parent' filepath='kernel/irq/irqdomain.c' line='1752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_alloc_irqs_parent'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1752' column='1'/>
+        <parameter type-id='f0981eeb' name='irq_base' filepath='kernel/irq/irqdomain.c' line='1753' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_irqs' filepath='kernel/irq/irqdomain.c' line='1753' column='1'/>
+        <parameter type-id='eaa32e2f' name='arg' filepath='kernel/irq/irqdomain.c' line='1754' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_domain_create_hierarchy' mangled-name='irq_domain_create_hierarchy' filepath='kernel/irq/irqdomain.c' line='1126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_create_hierarchy'>
+        <parameter type-id='7544e824' name='parent' filepath='kernel/irq/irqdomain.c' line='1126' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='kernel/irq/irqdomain.c' line='1127' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='kernel/irq/irqdomain.c' line='1128' column='1'/>
+        <parameter type-id='4a935625' name='fwnode' filepath='kernel/irq/irqdomain.c' line='1129' column='1'/>
+        <parameter type-id='2c202856' name='ops' filepath='kernel/irq/irqdomain.c' line='1130' column='1'/>
+        <parameter type-id='eaa32e2f' name='host_data' filepath='kernel/irq/irqdomain.c' line='1131' column='1'/>
+        <return type-id='7544e824'/>
+      </function-decl>
+      <function-decl name='irq_domain_free_irqs_common' mangled-name='irq_domain_free_irqs_common' filepath='kernel/irq/irqdomain.c' line='1401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_free_irqs_common'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1401' column='1'/>
+        <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1401' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_irqs' filepath='kernel/irq/irqdomain.c' line='1402' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_domain_get_irq_data' mangled-name='irq_domain_get_irq_data' filepath='kernel/irq/irqdomain.c' line='1334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_get_irq_data'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1334' column='1'/>
+        <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1335' column='1'/>
+        <return type-id='1c475548'/>
+      </function-decl>
+      <function-decl name='irq_domain_remove' mangled-name='irq_domain_remove' filepath='kernel/irq/irqdomain.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_remove'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='253' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_domain_set_hwirq_and_chip' mangled-name='irq_domain_set_hwirq_and_chip' filepath='kernel/irq/irqdomain.c' line='1356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_set_hwirq_and_chip'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1356' column='1'/>
+        <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1356' column='1'/>
+        <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='1357' column='1'/>
+        <parameter type-id='8846a616' name='chip' filepath='kernel/irq/irqdomain.c' line='1357' column='1'/>
+        <parameter type-id='eaa32e2f' name='chip_data' filepath='kernel/irq/irqdomain.c' line='1358' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_domain_set_info' mangled-name='irq_domain_set_info' filepath='kernel/irq/irqdomain.c' line='1384' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_set_info'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1384' column='1'/>
+        <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1384' column='1'/>
+        <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='1385' column='1'/>
+        <parameter type-id='8846a616' name='chip' filepath='kernel/irq/irqdomain.c' line='1385' column='1'/>
+        <parameter type-id='eaa32e2f' name='chip_data' filepath='kernel/irq/irqdomain.c' line='1386' column='1'/>
+        <parameter type-id='cdb741d3' name='handler' filepath='kernel/irq/irqdomain.c' line='1386' column='1'/>
+        <parameter type-id='eaa32e2f' name='handler_data' filepath='kernel/irq/irqdomain.c' line='1387' column='1'/>
+        <parameter type-id='80f4b756' name='handler_name' filepath='kernel/irq/irqdomain.c' line='1387' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='irq_domain_simple_ops' type-id='a4974438' mangled-name='irq_domain_simple_ops' visibility='default' filepath='kernel/irq/irqdomain.c' line='1032' column='1' elf-symbol-id='irq_domain_simple_ops'/>
+      <function-decl name='irq_domain_update_bus_token' mangled-name='irq_domain_update_bus_token' filepath='kernel/irq/irqdomain.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_update_bus_token'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='280' column='1'/>
+        <parameter type-id='385b8018' name='bus_token' filepath='kernel/irq/irqdomain.c' line='281' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_domain_xlate_onecell' mangled-name='irq_domain_xlate_onecell' filepath='kernel/irq/irqdomain.c' line='975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_xlate_onecell'>
+        <parameter type-id='7544e824' name='d' filepath='kernel/irq/irqdomain.c' line='975' column='1'/>
+        <parameter type-id='9a537bbe' name='ctrlr' filepath='kernel/irq/irqdomain.c' line='975' column='1'/>
+        <parameter type-id='aded214c' name='intspec' filepath='kernel/irq/irqdomain.c' line='976' column='1'/>
+        <parameter type-id='f0981eeb' name='intsize' filepath='kernel/irq/irqdomain.c' line='976' column='1'/>
+        <parameter type-id='1d2c2b85' name='out_hwirq' filepath='kernel/irq/irqdomain.c' line='977' column='1'/>
+        <parameter type-id='807869d3' name='out_type' filepath='kernel/irq/irqdomain.c' line='977' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_domain_xlate_onetwocell' mangled-name='irq_domain_xlate_onetwocell' filepath='kernel/irq/irqdomain.c' line='1016' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_xlate_onetwocell'>
+        <parameter type-id='7544e824' name='d' filepath='kernel/irq/irqdomain.c' line='1016' column='1'/>
+        <parameter type-id='9a537bbe' name='ctrlr' filepath='kernel/irq/irqdomain.c' line='1017' column='1'/>
+        <parameter type-id='aded214c' name='intspec' filepath='kernel/irq/irqdomain.c' line='1018' column='1'/>
+        <parameter type-id='f0981eeb' name='intsize' filepath='kernel/irq/irqdomain.c' line='1018' column='1'/>
+        <parameter type-id='1d2c2b85' name='out_hwirq' filepath='kernel/irq/irqdomain.c' line='1019' column='1'/>
+        <parameter type-id='807869d3' name='out_type' filepath='kernel/irq/irqdomain.c' line='1019' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_domain_xlate_twocell' mangled-name='irq_domain_xlate_twocell' filepath='kernel/irq/irqdomain.c' line='994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_xlate_twocell'>
+        <parameter type-id='7544e824' name='d' filepath='kernel/irq/irqdomain.c' line='994' column='1'/>
+        <parameter type-id='9a537bbe' name='ctrlr' filepath='kernel/irq/irqdomain.c' line='994' column='1'/>
+        <parameter type-id='aded214c' name='intspec' filepath='kernel/irq/irqdomain.c' line='995' column='1'/>
+        <parameter type-id='f0981eeb' name='intsize' filepath='kernel/irq/irqdomain.c' line='995' column='1'/>
+        <parameter type-id='ebc26324' name='out_hwirq' filepath='kernel/irq/irqdomain.c' line='996' column='1'/>
+        <parameter type-id='807869d3' name='out_type' filepath='kernel/irq/irqdomain.c' line='996' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_find_mapping' mangled-name='irq_find_mapping' filepath='kernel/irq/irqdomain.c' line='941' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_find_mapping'>
+        <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='941' column='1'/>
+        <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='942' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='irq_find_matching_fwspec' mangled-name='irq_find_matching_fwspec' filepath='kernel/irq/irqdomain.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_find_matching_fwspec'>
+        <parameter type-id='2869bb38' name='fwspec' filepath='kernel/irq/irqdomain.c' line='396' column='1'/>
+        <parameter type-id='385b8018' name='bus_token' filepath='kernel/irq/irqdomain.c' line='397' column='1'/>
+        <return type-id='7544e824'/>
+      </function-decl>
+      <function-decl name='irq_gc_ack_set_bit' mangled-name='irq_gc_ack_set_bit' filepath='kernel/irq/generic-chip.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_ack_set_bit'>
+        <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='111' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_gc_mask_clr_bit' mangled-name='irq_gc_mask_clr_bit' filepath='kernel/irq/generic-chip.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_mask_clr_bit'>
+        <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='75' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_gc_mask_set_bit' mangled-name='irq_gc_mask_set_bit' filepath='kernel/irq/generic-chip.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_mask_set_bit'>
+        <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='55' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_gc_set_wake' mangled-name='irq_gc_set_wake' filepath='kernel/irq/generic-chip.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_set_wake'>
+        <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='187' column='1'/>
+        <parameter type-id='f0981eeb' name='on' filepath='kernel/irq/generic-chip.c' line='187' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='irq_generic_chip_ops' type-id='0926e4bd' mangled-name='irq_generic_chip_ops' visibility='default' filepath='kernel/irq/generic-chip.c' line='448' column='1' elf-symbol-id='irq_generic_chip_ops'/>
+      <function-decl name='irq_get_domain_generic_chip' mangled-name='irq_get_domain_generic_chip' filepath='kernel/irq/generic-chip.c' line='360' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_get_domain_generic_chip'>
+        <parameter type-id='7544e824' name='d' filepath='kernel/irq/generic-chip.c' line='360' column='1'/>
+        <parameter type-id='f0981eeb' name='hw_irq' filepath='kernel/irq/generic-chip.c' line='360' column='1'/>
+        <return type-id='e53d7a90'/>
+      </function-decl>
+      <function-decl name='irq_get_irq_data' mangled-name='irq_get_irq_data' filepath='kernel/irq/chip.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_get_irq_data'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='159' column='1'/>
+        <return type-id='1c475548'/>
+      </function-decl>
+      <function-decl name='irq_get_irqchip_state' mangled-name='irq_get_irqchip_state' filepath='kernel/irq/manage.c' line='2730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_get_irqchip_state'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2730' column='1'/>
+        <parameter type-id='0187da1b' name='which' filepath='kernel/irq/manage.c' line='2730' column='1'/>
+        <parameter type-id='d8e6b335' name='state' filepath='kernel/irq/manage.c' line='2731' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_modify_status' mangled-name='irq_modify_status' filepath='kernel/irq/chip.c' line='1169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_modify_status'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='1169' column='1'/>
+        <parameter type-id='7359adad' name='clr' filepath='kernel/irq/chip.c' line='1169' column='1'/>
+        <parameter type-id='7359adad' name='set' filepath='kernel/irq/chip.c' line='1169' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_of_parse_and_map' mangled-name='irq_of_parse_and_map' filepath='drivers/of/irq.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_of_parse_and_map'>
+        <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/irq.c' line='36' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/irq.c' line='36' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='irq_set_affinity_hint' mangled-name='irq_set_affinity_hint' filepath='kernel/irq/manage.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_affinity_hint'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='405' column='1'/>
+        <parameter type-id='5f8a1ac4' name='m' filepath='kernel/irq/manage.c' line='405' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_set_chained_handler_and_data' mangled-name='irq_set_chained_handler_and_data' filepath='kernel/irq/chip.c' line='1103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chained_handler_and_data'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='1103' column='1'/>
+        <parameter type-id='cdb741d3' name='handle' filepath='kernel/irq/chip.c' line='1103' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/irq/chip.c' line='1104' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_set_chip' mangled-name='irq_set_chip' filepath='kernel/irq/chip.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chip'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='42' column='1'/>
+        <parameter type-id='8846a616' name='chip' filepath='kernel/irq/chip.c' line='42' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_set_chip_and_handler_name' mangled-name='irq_set_chip_and_handler_name' filepath='kernel/irq/chip.c' line='1120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chip_and_handler_name'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='1120' column='1'/>
+        <parameter type-id='8846a616' name='chip' filepath='kernel/irq/chip.c' line='1120' column='1'/>
+        <parameter type-id='cdb741d3' name='handle' filepath='kernel/irq/chip.c' line='1121' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/irq/chip.c' line='1121' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='irq_set_chip_data' mangled-name='irq_set_chip_data' filepath='kernel/irq/chip.c' line='146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chip_data'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='146' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/irq/chip.c' line='146' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_set_irq_type' mangled-name='irq_set_irq_type' filepath='kernel/irq/chip.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_irq_type'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='69' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='kernel/irq/chip.c' line='69' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_set_irq_wake' mangled-name='irq_set_irq_wake' filepath='kernel/irq/manage.c' line='788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_irq_wake'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='788' column='1'/>
+        <parameter type-id='f0981eeb' name='on' filepath='kernel/irq/manage.c' line='788' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='irq_set_parent' mangled-name='irq_set_parent' filepath='kernel/irq/manage.c' line='911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_parent'>
+        <parameter type-id='95e97e5e' name='irq' filepath='kernel/irq/manage.c' line='911' column='1'/>
+        <parameter type-id='95e97e5e' name='parent_irq' filepath='kernel/irq/manage.c' line='911' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='irq_stat' type-id='715fcff2' mangled-name='irq_stat' visibility='default' filepath='kernel/softirq.c' line='58' column='1' elf-symbol-id='irq_stat'/>
+      <function-decl name='irq_to_desc' mangled-name='irq_to_desc' filepath='kernel/irq/irqdesc.c' line='354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_to_desc'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/irqdesc.c' line='354' column='1'/>
+        <return type-id='76c7d88b'/>
+      </function-decl>
+      <function-decl name='irq_work_queue' mangled-name='irq_work_queue' filepath='kernel/irq_work.c' line='67' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_work_queue'>
+        <parameter type-id='44bef697' name='work' filepath='kernel/irq_work.c' line='67' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='irq_work_sync' mangled-name='irq_work_sync' filepath='kernel/irq_work.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_work_sync'>
+        <parameter type-id='44bef697' name='work' filepath='kernel/irq_work.c' line='197' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='is_console_locked' mangled-name='is_console_locked' filepath='kernel/printk/printk.c' line='2394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='is_console_locked'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='is_dma_buf_file' mangled-name='is_dma_buf_file' filepath='drivers/dma-buf/dma-buf.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='is_dma_buf_file'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/dma-buf/dma-buf.c' line='466' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='is_vmalloc_addr' mangled-name='is_vmalloc_addr' filepath='mm/vmalloc.c' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='is_vmalloc_addr'>
+        <parameter type-id='eaa32e2f' name='x' filepath='mm/vmalloc.c' line='47' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='iterate_fd' mangled-name='iterate_fd' filepath='fs/file.c' line='1317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iterate_fd'>
+        <parameter type-id='16c53416' name='files' filepath='fs/file.c' line='1317' column='1'/>
+        <parameter type-id='f0981eeb' name='n' filepath='fs/file.c' line='1317' column='1'/>
+        <parameter type-id='d092647b' name='f' filepath='fs/file.c' line='1318' column='1'/>
+        <parameter type-id='eaa32e2f' name='p' filepath='fs/file.c' line='1319' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iw_handler_get_spy' mangled-name='iw_handler_get_spy' filepath='net/wireless/wext-spy.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_get_spy'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='74' column='1'/>
+        <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='75' column='1'/>
+        <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='76' column='1'/>
+        <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='77' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iw_handler_get_thrspy' mangled-name='iw_handler_get_thrspy' filepath='net/wireless/wext-spy.c' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_get_thrspy'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='137' column='1'/>
+        <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='138' column='1'/>
+        <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='139' column='1'/>
+        <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='140' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iw_handler_set_spy' mangled-name='iw_handler_set_spy' filepath='net/wireless/wext-spy.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_set_spy'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='26' column='1'/>
+        <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='27' column='1'/>
+        <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='28' column='1'/>
+        <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='29' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iw_handler_set_thrspy' mangled-name='iw_handler_set_thrspy' filepath='net/wireless/wext-spy.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_set_thrspy'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='110' column='1'/>
+        <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='111' column='1'/>
+        <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='112' column='1'/>
+        <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='113' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='iwe_stream_add_event' mangled-name='iwe_stream_add_event' filepath='net/wireless/wext-core.c' line='1130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iwe_stream_add_event'>
+        <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-core.c' line='1130' column='1'/>
+        <parameter type-id='26a90f95' name='stream' filepath='net/wireless/wext-core.c' line='1130' column='1'/>
+        <parameter type-id='26a90f95' name='ends' filepath='net/wireless/wext-core.c' line='1131' column='1'/>
+        <parameter type-id='4f46bd9c' name='iwe' filepath='net/wireless/wext-core.c' line='1131' column='1'/>
+        <parameter type-id='95e97e5e' name='event_len' filepath='net/wireless/wext-core.c' line='1131' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='iwe_stream_add_point' mangled-name='iwe_stream_add_point' filepath='net/wireless/wext-core.c' line='1151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iwe_stream_add_point'>
+        <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-core.c' line='1151' column='1'/>
+        <parameter type-id='26a90f95' name='stream' filepath='net/wireless/wext-core.c' line='1151' column='1'/>
+        <parameter type-id='26a90f95' name='ends' filepath='net/wireless/wext-core.c' line='1152' column='1'/>
+        <parameter type-id='4f46bd9c' name='iwe' filepath='net/wireless/wext-core.c' line='1152' column='1'/>
+        <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-core.c' line='1152' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='iwe_stream_add_value' mangled-name='iwe_stream_add_value' filepath='net/wireless/wext-core.c' line='1174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iwe_stream_add_value'>
+        <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-core.c' line='1174' column='1'/>
+        <parameter type-id='26a90f95' name='event' filepath='net/wireless/wext-core.c' line='1174' column='1'/>
+        <parameter type-id='26a90f95' name='value' filepath='net/wireless/wext-core.c' line='1175' column='1'/>
+        <parameter type-id='26a90f95' name='ends' filepath='net/wireless/wext-core.c' line='1175' column='1'/>
+        <parameter type-id='4f46bd9c' name='iwe' filepath='net/wireless/wext-core.c' line='1175' column='1'/>
+        <parameter type-id='95e97e5e' name='event_len' filepath='net/wireless/wext-core.c' line='1176' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='jiffies64_to_msecs' mangled-name='jiffies64_to_msecs' filepath='kernel/time/time.c' line='701' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='jiffies64_to_msecs'>
+        <parameter type-id='49c81889' name='j' filepath='kernel/time/time.c' line='701' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='jiffies_to_msecs' mangled-name='jiffies_to_msecs' filepath='kernel/time/time.c' line='374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='jiffies_to_msecs'>
+        <parameter type-id='9cbd1c16' name='j' filepath='kernel/time/time.c' line='374' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='jiffies_to_usecs' mangled-name='jiffies_to_usecs' filepath='kernel/time/time.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='jiffies_to_usecs'>
+        <parameter type-id='9cbd1c16' name='j' filepath='kernel/time/time.c' line='391' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='kasprintf' mangled-name='kasprintf' filepath='lib/kasprintf.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kasprintf'>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/kasprintf.c' line='53' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/kasprintf.c' line='53' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='kern_mount' mangled-name='kern_mount' filepath='fs/namespace.c' line='3881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kern_mount'>
+        <parameter type-id='21e53d44' name='type' filepath='fs/namespace.c' line='3881' column='1'/>
+        <return type-id='549da823'/>
+      </function-decl>
+      <function-decl name='kern_unmount' mangled-name='kern_unmount' filepath='fs/namespace.c' line='3896' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kern_unmount'>
+        <parameter type-id='549da823' name='mnt' filepath='fs/namespace.c' line='3896' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kernel_bind' mangled-name='kernel_bind' filepath='net/socket.c' line='3413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_bind'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3413' column='1'/>
+        <parameter type-id='5c0abad8' name='addr' filepath='net/socket.c' line='3413' column='1'/>
+        <parameter type-id='95e97e5e' name='addrlen' filepath='net/socket.c' line='3413' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kernel_connect' mangled-name='kernel_connect' filepath='net/socket.c' line='3486' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_connect'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3486' column='1'/>
+        <parameter type-id='5c0abad8' name='addr' filepath='net/socket.c' line='3486' column='1'/>
+        <parameter type-id='95e97e5e' name='addrlen' filepath='net/socket.c' line='3486' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/socket.c' line='3487' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='kernel_cpustat' type-id='7b5f27b3' mangled-name='kernel_cpustat' visibility='default' filepath='kernel/sched/core.c' line='4186' column='1' elf-symbol-id='kernel_cpustat'/>
+      <function-decl name='kernel_getsockname' mangled-name='kernel_getsockname' filepath='net/socket.c' line='3506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_getsockname'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3506' column='1'/>
+        <parameter type-id='5c0abad8' name='addr' filepath='net/socket.c' line='3506' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='kernel_kobj' type-id='d30bdc51' mangled-name='kernel_kobj' visibility='default' filepath='kernel/ksysfs.c' line='213' column='1' elf-symbol-id='kernel_kobj'/>
+      <function-decl name='kernel_neon_begin' mangled-name='kernel_neon_begin' filepath='arch/arm64/kernel/fpsimd.c' line='1272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_neon_begin'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kernel_neon_end' mangled-name='kernel_neon_end' filepath='arch/arm64/kernel/fpsimd.c' line='1298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_neon_end'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kernel_recvmsg' mangled-name='kernel_recvmsg' filepath='net/socket.c' line='941' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_recvmsg'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='941' column='1'/>
+        <parameter type-id='6b9b777a' name='msg' filepath='net/socket.c' line='941' column='1'/>
+        <parameter type-id='9c68341e' name='vec' filepath='net/socket.c' line='942' column='1'/>
+        <parameter type-id='b59d7dce' name='num' filepath='net/socket.c' line='942' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='net/socket.c' line='942' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/socket.c' line='942' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kernel_restart' mangled-name='kernel_restart' filepath='kernel/reboot.c' line='247' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_restart'>
+        <parameter type-id='26a90f95' name='cmd' filepath='kernel/reboot.c' line='247' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kernel_sendmsg' mangled-name='kernel_sendmsg' filepath='net/socket.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_sendmsg'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='705' column='1'/>
+        <parameter type-id='6b9b777a' name='msg' filepath='net/socket.c' line='705' column='1'/>
+        <parameter type-id='9c68341e' name='vec' filepath='net/socket.c' line='706' column='1'/>
+        <parameter type-id='b59d7dce' name='num' filepath='net/socket.c' line='706' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='net/socket.c' line='706' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kernel_sigaction' mangled-name='kernel_sigaction' filepath='kernel/signal.c' line='3978' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_sigaction'>
+        <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='3978' column='1'/>
+        <parameter type-id='8cdd9566' name='action' filepath='kernel/signal.c' line='3978' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kernel_sock_shutdown' mangled-name='kernel_sock_shutdown' filepath='net/socket.c' line='3583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_sock_shutdown'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3583' column='1'/>
+        <parameter type-id='45c08bac' name='how' filepath='net/socket.c' line='3583' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kernfs_find_and_get_ns' mangled-name='kernfs_find_and_get_ns' filepath='fs/kernfs/dir.c' line='909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernfs_find_and_get_ns'>
+        <parameter type-id='150efd3f' name='parent' filepath='fs/kernfs/dir.c' line='909' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/kernfs/dir.c' line='910' column='1'/>
+        <parameter type-id='eaa32e2f' name='ns' filepath='fs/kernfs/dir.c' line='910' column='1'/>
+        <return type-id='150efd3f'/>
+      </function-decl>
+      <function-decl name='kernfs_notify' mangled-name='kernfs_notify' filepath='fs/kernfs/file.c' line='913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernfs_notify'>
+        <parameter type-id='150efd3f' name='kn' filepath='fs/kernfs/file.c' line='913' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kernfs_put' mangled-name='kernfs_put' filepath='fs/kernfs/dir.c' line='514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernfs_put'>
+        <parameter type-id='150efd3f' name='kn' filepath='fs/kernfs/dir.c' line='514' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kfree' mangled-name='kfree' filepath='mm/slub.c' line='4170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree'>
+        <parameter type-id='eaa32e2f' name='x' filepath='mm/slub.c' line='4170' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kfree_const' mangled-name='kfree_const' filepath='mm/util.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_const'>
+        <parameter type-id='eaa32e2f' name='x' filepath='mm/util.c' line='40' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kfree_sensitive' mangled-name='kfree_sensitive' filepath='mm/slab_common.c' line='1148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_sensitive'>
+        <parameter type-id='eaa32e2f' name='p' filepath='mm/slab_common.c' line='1148' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kfree_skb' mangled-name='kfree_skb' filepath='net/core/skbuff.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_skb'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='705' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kfree_skb_list' mangled-name='kfree_skb_list' filepath='net/core/skbuff.c' line='716' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_skb_list'>
+        <parameter type-id='0fbf3cfd' name='segs' filepath='net/core/skbuff.c' line='716' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kick_all_cpus_sync' mangled-name='kick_all_cpus_sync' filepath='kernel/smp.c' line='938' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kick_all_cpus_sync'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kill_anon_super' mangled-name='kill_anon_super' filepath='fs/super.c' line='1115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_anon_super'>
+        <parameter type-id='42c8f564' name='sb' filepath='fs/super.c' line='1115' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kill_fasync' mangled-name='kill_fasync' filepath='fs/fcntl.c' line='1027' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_fasync'>
+        <parameter type-id='dc750055' name='fp' filepath='fs/fcntl.c' line='1027' column='1'/>
+        <parameter type-id='95e97e5e' name='sig' filepath='fs/fcntl.c' line='1027' column='1'/>
+        <parameter type-id='95e97e5e' name='band' filepath='fs/fcntl.c' line='1027' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kill_litter_super' mangled-name='kill_litter_super' filepath='fs/super.c' line='1123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_litter_super'>
+        <parameter type-id='42c8f564' name='sb' filepath='fs/super.c' line='1123' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kill_pid' mangled-name='kill_pid' filepath='kernel/signal.c' line='1804' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_pid'>
+        <parameter type-id='b94e5398' name='pid' filepath='kernel/signal.c' line='1804' column='1'/>
+        <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='1804' column='1'/>
+        <parameter type-id='95e97e5e' name='priv' filepath='kernel/signal.c' line='1804' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='kimage_voffset' type-id='91ce1af9' mangled-name='kimage_voffset' visibility='default' filepath='arch/arm64/mm/mmu.c' line='49' column='1' elf-symbol-id='kimage_voffset'/>
+      <function-decl name='kiocb_set_cancel_fn' mangled-name='kiocb_set_cancel_fn' filepath='fs/aio.c' line='566' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kiocb_set_cancel_fn'>
+        <parameter type-id='80f25feb' name='iocb' filepath='fs/aio.c' line='566' column='1'/>
+        <parameter type-id='09896a23' name='cancel' filepath='fs/aio.c' line='566' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='kmalloc_caches' type-id='5a527497' mangled-name='kmalloc_caches' visibility='default' filepath='mm/slab_common.c' line='594' column='1' elf-symbol-id='kmalloc_caches'/>
+      <function-decl name='kmalloc_order' mangled-name='kmalloc_order' filepath='mm/slab_common.c' line='834' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmalloc_order'>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/slab_common.c' line='834' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='mm/slab_common.c' line='834' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='mm/slab_common.c' line='834' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='kmalloc_order_trace' mangled-name='kmalloc_order_trace' filepath='mm/slab_common.c' line='857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmalloc_order_trace'>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/slab_common.c' line='857' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='mm/slab_common.c' line='857' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='mm/slab_common.c' line='857' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='kmem_cache_alloc' mangled-name='kmem_cache_alloc' filepath='mm/slub.c' line='2958' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_alloc'>
+        <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='2958' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfpflags' filepath='mm/slub.c' line='2958' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='kmem_cache_alloc_trace' mangled-name='kmem_cache_alloc_trace' filepath='mm/slub.c' line='2970' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_alloc_trace'>
+        <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='2970' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfpflags' filepath='mm/slub.c' line='2970' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/slub.c' line='2970' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='kmem_cache_create' mangled-name='kmem_cache_create' filepath='mm/slab_common.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_create'>
+        <parameter type-id='80f4b756' name='name' filepath='mm/slab_common.c' line='408' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='mm/slab_common.c' line='408' column='1'/>
+        <parameter type-id='f0981eeb' name='align' filepath='mm/slab_common.c' line='408' column='1'/>
+        <parameter type-id='f7fe96cb' name='flags' filepath='mm/slab_common.c' line='409' column='1'/>
+        <parameter type-id='b7f9d8e6' name='ctor' filepath='mm/slab_common.c' line='409' column='1'/>
+        <return type-id='f3b4aca8'/>
+      </function-decl>
+      <function-decl name='kmem_cache_create_usercopy' mangled-name='kmem_cache_create_usercopy' filepath='mm/slab_common.c' line='303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_create_usercopy'>
+        <parameter type-id='80f4b756' name='name' filepath='mm/slab_common.c' line='303' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='mm/slab_common.c' line='304' column='1'/>
+        <parameter type-id='f0981eeb' name='align' filepath='mm/slab_common.c' line='304' column='1'/>
+        <parameter type-id='f7fe96cb' name='flags' filepath='mm/slab_common.c' line='305' column='1'/>
+        <parameter type-id='f0981eeb' name='useroffset' filepath='mm/slab_common.c' line='306' column='1'/>
+        <parameter type-id='f0981eeb' name='usersize' filepath='mm/slab_common.c' line='306' column='1'/>
+        <parameter type-id='b7f9d8e6' name='ctor' filepath='mm/slab_common.c' line='307' column='1'/>
+        <return type-id='f3b4aca8'/>
+      </function-decl>
+      <function-decl name='kmem_cache_destroy' mangled-name='kmem_cache_destroy' filepath='mm/slab_common.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_destroy'>
+        <parameter type-id='f3b4aca8' name='s' filepath='mm/slab_common.c' line='487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kmem_cache_free' mangled-name='kmem_cache_free' filepath='mm/slub.c' line='3214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_free'>
+        <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='3214' column='1'/>
+        <parameter type-id='eaa32e2f' name='x' filepath='mm/slub.c' line='3214' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kmemdup' mangled-name='kmemdup' filepath='mm/util.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmemdup'>
+        <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='127' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='127' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='127' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='kmemdup_nul' mangled-name='kmemdup_nul' filepath='mm/util.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmemdup_nul'>
+        <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='147' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='147' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='147' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <var-decl name='kobj_sysfs_ops' type-id='0f840455' mangled-name='kobj_sysfs_ops' visibility='default' filepath='lib/kobject.c' line='868' column='1' elf-symbol-id='kobj_sysfs_ops'/>
+      <function-decl name='kobject_add' mangled-name='kobject_add' filepath='lib/kobject.c' line='434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_add'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='434' column='1'/>
+        <parameter type-id='d30bdc51' name='parent' filepath='lib/kobject.c' line='434' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/kobject.c' line='435' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kobject_create_and_add' mangled-name='kobject_create_and_add' filepath='lib/kobject.c' line='813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_create_and_add'>
+        <parameter type-id='80f4b756' name='name' filepath='lib/kobject.c' line='813' column='1'/>
+        <parameter type-id='d30bdc51' name='parent' filepath='lib/kobject.c' line='813' column='1'/>
+        <return type-id='d30bdc51'/>
+      </function-decl>
+      <function-decl name='kobject_del' mangled-name='kobject_del' filepath='lib/kobject.c' line='643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_del'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='643' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kobject_get' mangled-name='kobject_get' filepath='lib/kobject.c' line='660' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_get'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='660' column='1'/>
+        <return type-id='d30bdc51'/>
+      </function-decl>
+      <function-decl name='kobject_init' mangled-name='kobject_init' filepath='lib/kobject.c' line='357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_init'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='357' column='1'/>
+        <parameter type-id='c48b394e' name='ktype' filepath='lib/kobject.c' line='357' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kobject_init_and_add' mangled-name='kobject_init_and_add' filepath='lib/kobject.c' line='472' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_init_and_add'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='472' column='1'/>
+        <parameter type-id='c48b394e' name='ktype' filepath='lib/kobject.c' line='472' column='1'/>
+        <parameter type-id='d30bdc51' name='parent' filepath='lib/kobject.c' line='473' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/kobject.c' line='473' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kobject_put' mangled-name='kobject_put' filepath='lib/kobject.c' line='754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_put'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='754' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kobject_rename' mangled-name='kobject_rename' filepath='lib/kobject.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_rename'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='498' column='1'/>
+        <parameter type-id='80f4b756' name='new_name' filepath='lib/kobject.c' line='498' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kobject_uevent' mangled-name='kobject_uevent' filepath='lib/kobject_uevent.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_uevent'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject_uevent.c' line='640' column='1'/>
+        <parameter type-id='7d635811' name='action' filepath='lib/kobject_uevent.c' line='640' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kobject_uevent_env' mangled-name='kobject_uevent_env' filepath='lib/kobject_uevent.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_uevent_env'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject_uevent.c' line='457' column='1'/>
+        <parameter type-id='7d635811' name='action' filepath='lib/kobject_uevent.c' line='457' column='1'/>
+        <parameter type-id='9b23c9ad' name='envp_ext' filepath='lib/kobject_uevent.c' line='458' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='krealloc' mangled-name='krealloc' filepath='mm/slab_common.c' line='1120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='krealloc'>
+        <parameter type-id='eaa32e2f' name='p' filepath='mm/slab_common.c' line='1120' column='1'/>
+        <parameter type-id='b59d7dce' name='new_size' filepath='mm/slab_common.c' line='1120' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='mm/slab_common.c' line='1120' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='ksize' mangled-name='ksize' filepath='mm/slab_common.c' line='1174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ksize'>
+        <parameter type-id='eaa32e2f' name='objp' filepath='mm/slab_common.c' line='1174' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <var-decl name='kstat' type-id='153750ef' mangled-name='kstat' visibility='default' filepath='kernel/sched/core.c' line='4185' column='1' elf-symbol-id='kstat'/>
+      <function-decl name='kstrdup' mangled-name='kstrdup' filepath='mm/util.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrdup'>
+        <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='54' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='54' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='kstrdup_const' mangled-name='kstrdup_const' filepath='mm/util.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrdup_const'>
+        <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='81' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='81' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='kstrdup_quotable_cmdline' mangled-name='kstrdup_quotable_cmdline' filepath='lib/string_helpers.c' line='597' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrdup_quotable_cmdline'>
+        <parameter type-id='f23e2572' name='task' filepath='lib/string_helpers.c' line='597' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/string_helpers.c' line='597' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='kstrndup' mangled-name='kstrndup' filepath='mm/util.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrndup'>
+        <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='100' column='1'/>
+        <parameter type-id='b59d7dce' name='max' filepath='mm/util.c' line='100' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='100' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='kstrtobool' mangled-name='kstrtobool' filepath='lib/kstrtox.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtobool'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='336' column='1'/>
+        <parameter type-id='d8e6b335' name='res' filepath='lib/kstrtox.c' line='336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtobool_from_user' mangled-name='kstrtobool_from_user' filepath='lib/kstrtox.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtobool_from_user'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='378' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='378' column='1'/>
+        <parameter type-id='d8e6b335' name='res' filepath='lib/kstrtox.c' line='378' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtoint' mangled-name='kstrtoint' filepath='lib/kstrtox.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoint'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='252' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='252' column='1'/>
+        <parameter type-id='7292109c' name='res' filepath='lib/kstrtox.c' line='252' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtoint_from_user' mangled-name='kstrtoint_from_user' filepath='lib/kstrtox.c' line='410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoint_from_user'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='410' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='410' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='410' column='1'/>
+        <parameter type-id='7292109c' name='res' filepath='lib/kstrtox.c' line='410' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtol_from_user' mangled-name='kstrtol_from_user' filepath='lib/kstrtox.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtol_from_user'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='408' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='408' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='408' column='1'/>
+        <parameter type-id='3ccc2590' name='res' filepath='lib/kstrtox.c' line='408' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtoll' mangled-name='kstrtoll' filepath='lib/kstrtox.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoll'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='151' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='151' column='1'/>
+        <parameter type-id='8b97c2dc' name='res' filepath='lib/kstrtox.c' line='151' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtos16' mangled-name='kstrtos16' filepath='lib/kstrtox.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtos16'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='282' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='282' column='1'/>
+        <parameter type-id='81ac2ac5' name='res' filepath='lib/kstrtox.c' line='282' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtos8' mangled-name='kstrtos8' filepath='lib/kstrtox.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtos8'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='312' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='312' column='1'/>
+        <parameter type-id='01b75fec' name='res' filepath='lib/kstrtox.c' line='312' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtou16' mangled-name='kstrtou16' filepath='lib/kstrtox.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtou16'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='267' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='267' column='1'/>
+        <parameter type-id='26d4d46f' name='res' filepath='lib/kstrtox.c' line='267' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtou8' mangled-name='kstrtou8' filepath='lib/kstrtox.c' line='297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtou8'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='297' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='297' column='1'/>
+        <parameter type-id='8bff8096' name='res' filepath='lib/kstrtox.c' line='297' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtou8_from_user' mangled-name='kstrtou8_from_user' filepath='lib/kstrtox.c' line='413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtou8_from_user'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='413' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='413' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='413' column='1'/>
+        <parameter type-id='8bff8096' name='res' filepath='lib/kstrtox.c' line='413' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtouint' mangled-name='kstrtouint' filepath='lib/kstrtox.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtouint'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='222' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='222' column='1'/>
+        <parameter type-id='807869d3' name='res' filepath='lib/kstrtox.c' line='222' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtouint_from_user' mangled-name='kstrtouint_from_user' filepath='lib/kstrtox.c' line='409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtouint_from_user'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='409' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='409' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='409' column='1'/>
+        <parameter type-id='807869d3' name='res' filepath='lib/kstrtox.c' line='409' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtoul_from_user' mangled-name='kstrtoul_from_user' filepath='lib/kstrtox.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoul_from_user'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='407' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='407' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='407' column='1'/>
+        <parameter type-id='1d2c2b85' name='res' filepath='lib/kstrtox.c' line='407' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtoull' mangled-name='kstrtoull' filepath='lib/kstrtox.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoull'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='128' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='128' column='1'/>
+        <parameter type-id='a0c47697' name='res' filepath='lib/kstrtox.c' line='128' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kstrtoull_from_user' mangled-name='kstrtoull_from_user' filepath='lib/kstrtox.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoull_from_user'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='405' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='405' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='405' column='1'/>
+        <parameter type-id='a0c47697' name='res' filepath='lib/kstrtox.c' line='405' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kthread_bind' mangled-name='kthread_bind' filepath='kernel/kthread.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_bind'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/kthread.c' line='490' column='1'/>
+        <parameter type-id='f0981eeb' name='cpu' filepath='kernel/kthread.c' line='490' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_bind_mask' mangled-name='kthread_bind_mask' filepath='kernel/kthread.c' line='475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_bind_mask'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/kthread.c' line='475' column='1'/>
+        <parameter type-id='5f8a1ac4' name='mask' filepath='kernel/kthread.c' line='475' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_blkcg' mangled-name='kthread_blkcg' filepath='kernel/kthread.c' line='1424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_blkcg'>
+        <return type-id='cfff5953'/>
+      </function-decl>
+      <function-decl name='kthread_cancel_delayed_work_sync' mangled-name='kthread_cancel_delayed_work_sync' filepath='kernel/kthread.c' line='1280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_cancel_delayed_work_sync'>
+        <parameter type-id='d56697f1' name='dwork' filepath='kernel/kthread.c' line='1280' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_cancel_work_sync' mangled-name='kthread_cancel_work_sync' filepath='kernel/kthread.c' line='1265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_cancel_work_sync'>
+        <parameter type-id='401eb95c' name='work' filepath='kernel/kthread.c' line='1265' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_create_on_cpu' mangled-name='kthread_create_on_cpu' filepath='kernel/kthread.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_create_on_cpu'>
+        <parameter type-id='b9b212f5' name='threadfn' filepath='kernel/kthread.c' line='506' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/kthread.c' line='507' column='1'/>
+        <parameter type-id='f0981eeb' name='cpu' filepath='kernel/kthread.c' line='507' column='1'/>
+        <parameter type-id='80f4b756' name='namefmt' filepath='kernel/kthread.c' line='508' column='1'/>
+        <return type-id='f23e2572'/>
+      </function-decl>
+      <function-decl name='kthread_create_on_node' mangled-name='kthread_create_on_node' filepath='kernel/kthread.c' line='438' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_create_on_node'>
+        <parameter type-id='b9b212f5' name='threadfn' filepath='kernel/kthread.c' line='438' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/kthread.c' line='439' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='kernel/kthread.c' line='439' column='1'/>
+        <parameter type-id='80f4b756' name='namefmt' filepath='kernel/kthread.c' line='440' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='f23e2572'/>
+      </function-decl>
+      <function-decl name='kthread_create_worker' mangled-name='kthread_create_worker' filepath='kernel/kthread.c' line='812' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_create_worker'>
+        <parameter type-id='f0981eeb' name='flags' filepath='kernel/kthread.c' line='812' column='1'/>
+        <parameter type-id='80f4b756' name='namefmt' filepath='kernel/kthread.c' line='812' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='c41f4539'/>
+      </function-decl>
+      <function-decl name='kthread_delayed_work_timer_fn' mangled-name='kthread_delayed_work_timer_fn' filepath='kernel/kthread.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_delayed_work_timer_fn'>
+        <parameter type-id='9248e67f' name='t' filepath='kernel/kthread.c' line='928' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_destroy_worker' mangled-name='kthread_destroy_worker' filepath='kernel/kthread.c' line='1313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_destroy_worker'>
+        <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1313' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_flush_work' mangled-name='kthread_flush_work' filepath='kernel/kthread.c' line='1044' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_flush_work'>
+        <parameter type-id='401eb95c' name='work' filepath='kernel/kthread.c' line='1044' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_flush_worker' mangled-name='kthread_flush_worker' filepath='kernel/kthread.c' line='1293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_flush_worker'>
+        <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1293' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_freezable_should_stop' mangled-name='kthread_freezable_should_stop' filepath='kernel/kthread.c' line='166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_freezable_should_stop'>
+        <parameter type-id='d8e6b335' name='was_frozen' filepath='kernel/kthread.c' line='166' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_mod_delayed_work' mangled-name='kthread_mod_delayed_work' filepath='kernel/kthread.c' line='1153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_mod_delayed_work'>
+        <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1153' column='1'/>
+        <parameter type-id='d56697f1' name='dwork' filepath='kernel/kthread.c' line='1154' column='1'/>
+        <parameter type-id='7359adad' name='delay' filepath='kernel/kthread.c' line='1155' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_park' mangled-name='kthread_park' filepath='kernel/kthread.c' line='589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_park'>
+        <parameter type-id='f23e2572' name='k' filepath='kernel/kthread.c' line='589' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kthread_parkme' mangled-name='kthread_parkme' filepath='kernel/kthread.c' line='259' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_parkme'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_queue_delayed_work' mangled-name='kthread_queue_delayed_work' filepath='kernel/kthread.c' line='1006' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_queue_delayed_work'>
+        <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1006' column='1'/>
+        <parameter type-id='d56697f1' name='dwork' filepath='kernel/kthread.c' line='1007' column='1'/>
+        <parameter type-id='7359adad' name='delay' filepath='kernel/kthread.c' line='1008' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_queue_work' mangled-name='kthread_queue_work' filepath='kernel/kthread.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_queue_work'>
+        <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='904' column='1'/>
+        <parameter type-id='401eb95c' name='work' filepath='kernel/kthread.c' line='905' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_should_park' mangled-name='kthread_should_park' filepath='kernel/kthread.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_should_park'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_should_stop' mangled-name='kthread_should_stop' filepath='kernel/kthread.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_should_stop'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kthread_stop' mangled-name='kthread_stop' filepath='kernel/kthread.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_stop'>
+        <parameter type-id='f23e2572' name='k' filepath='kernel/kthread.c' line='633' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kthread_unpark' mangled-name='kthread_unpark' filepath='kernel/kthread.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_unpark'>
+        <parameter type-id='f23e2572' name='k' filepath='kernel/kthread.c' line='558' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_unuse_mm' mangled-name='kthread_unuse_mm' filepath='kernel/kthread.c' line='1367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_unuse_mm'>
+        <parameter type-id='df4b7819' name='mm' filepath='kernel/kthread.c' line='1367' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_use_mm' mangled-name='kthread_use_mm' filepath='kernel/kthread.c' line='1332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_use_mm'>
+        <parameter type-id='df4b7819' name='mm' filepath='kernel/kthread.c' line='1332' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kthread_worker_fn' mangled-name='kthread_worker_fn' filepath='kernel/kthread.c' line='719' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_worker_fn'>
+        <parameter type-id='eaa32e2f' name='worker_ptr' filepath='kernel/kthread.c' line='719' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ktime_add_safe' mangled-name='ktime_add_safe' filepath='kernel/time/hrtimer.c' line='327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_add_safe'>
+        <parameter type-id='ddb8523f' name='lhs' filepath='kernel/time/hrtimer.c' line='327' column='1'/>
+        <parameter type-id='ddb8523f' name='rhs' filepath='kernel/time/hrtimer.c' line='327' column='1'/>
+        <return type-id='fbc017ef'/>
+      </function-decl>
+      <function-decl name='ktime_get' mangled-name='ktime_get' filepath='kernel/time/timekeeping.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get'>
+        <return type-id='fbc017ef'/>
+      </function-decl>
+      <function-decl name='ktime_get_mono_fast_ns' mangled-name='ktime_get_mono_fast_ns' filepath='kernel/time/timekeeping.c' line='494' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_mono_fast_ns'>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='ktime_get_raw' mangled-name='ktime_get_raw' filepath='kernel/time/timekeeping.c' line='930' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_raw'>
+        <return type-id='fbc017ef'/>
+      </function-decl>
+      <function-decl name='ktime_get_raw_ts64' mangled-name='ktime_get_raw_ts64' filepath='kernel/time/timekeeping.c' line='1496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_raw_ts64'>
+        <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='1496' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ktime_get_real_seconds' mangled-name='ktime_get_real_seconds' filepath='kernel/time/timekeeping.c' line='1008' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_real_seconds'>
+        <return type-id='1afd27ac'/>
+      </function-decl>
+      <function-decl name='ktime_get_real_ts64' mangled-name='ktime_get_real_ts64' filepath='kernel/time/timekeeping.c' line='802' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_real_ts64'>
+        <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='802' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ktime_get_snapshot' mangled-name='ktime_get_snapshot' filepath='kernel/time/timekeeping.c' line='1043' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_snapshot'>
+        <parameter type-id='9e33b18d' name='systime_snapshot' filepath='kernel/time/timekeeping.c' line='1043' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ktime_get_ts64' mangled-name='ktime_get_ts64' filepath='kernel/time/timekeeping.c' line='956' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_ts64'>
+        <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='956' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ktime_get_with_offset' mangled-name='ktime_get_with_offset' filepath='kernel/time/timekeeping.c' line='866' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_with_offset'>
+        <parameter type-id='73bb584e' name='offs' filepath='kernel/time/timekeeping.c' line='866' column='1'/>
+        <return type-id='fbc017ef'/>
+      </function-decl>
+      <function-decl name='kvasprintf' mangled-name='kvasprintf' filepath='lib/kasprintf.c' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvasprintf'>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/kasprintf.c' line='15' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/kasprintf.c' line='15' column='1'/>
+        <parameter type-id='2aee9912' name='ap' filepath='lib/kasprintf.c' line='15' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='kvfree' mangled-name='kvfree' filepath='mm/util.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvfree'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='mm/util.c' line='642' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kvfree_call_rcu' mangled-name='kvfree_call_rcu' filepath='kernel/rcu/tree.c' line='3501' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvfree_call_rcu'>
+        <parameter type-id='69c138b1' name='head' filepath='kernel/rcu/tree.c' line='3501' column='1'/>
+        <parameter type-id='4edd56e3' name='func' filepath='kernel/rcu/tree.c' line='3501' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='kvm_arch_ptp_get_crosststamp' mangled-name='kvm_arch_ptp_get_crosststamp' filepath='drivers/clocksource/arm_arch_timer.c' line='1665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvm_arch_ptp_get_crosststamp'>
+        <parameter type-id='3df9fd28' name='cycle' filepath='drivers/clocksource/arm_arch_timer.c' line='1665' column='1'/>
+        <parameter type-id='4151733d' name='ts' filepath='drivers/clocksource/arm_arch_timer.c' line='1665' column='1'/>
+        <parameter type-id='bb8d631c' name='cs' filepath='drivers/clocksource/arm_arch_timer.c' line='1666' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='kvm_arm_hyp_service_available' mangled-name='kvm_arm_hyp_service_available' filepath='drivers/firmware/smccc/kvm_guest.c' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvm_arm_hyp_service_available'>
+        <parameter type-id='19c2251e' name='func_id' filepath='drivers/firmware/smccc/kvm_guest.c' line='47' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='kvmalloc_node' mangled-name='kvmalloc_node' filepath='mm/util.c' line='586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvmalloc_node'>
+        <parameter type-id='b59d7dce' name='size' filepath='mm/util.c' line='586' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='mm/util.c' line='586' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='mm/util.c' line='586' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='led_classdev_flash_register_ext' mangled-name='led_classdev_flash_register_ext' filepath='drivers/leds/led-class-flash.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_flash_register_ext'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/leds/led-class-flash.c' line='285' column='1'/>
+        <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='286' column='1'/>
+        <parameter type-id='eebb8ee8' name='init_data' filepath='drivers/leds/led-class-flash.c' line='287' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='led_classdev_flash_unregister' mangled-name='led_classdev_flash_unregister' filepath='drivers/leds/led-class-flash.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_flash_unregister'>
+        <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='321' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='led_classdev_register_ext' mangled-name='led_classdev_register_ext' filepath='drivers/leds/led-class.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_register_ext'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/leds/led-class.c' line='340' column='1'/>
+        <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-class.c' line='341' column='1'/>
+        <parameter type-id='eebb8ee8' name='init_data' filepath='drivers/leds/led-class.c' line='342' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='led_classdev_unregister' mangled-name='led_classdev_unregister' filepath='drivers/leds/led-class.c' line='435' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_unregister'>
+        <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-class.c' line='435' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='led_set_brightness_nosleep' mangled-name='led_set_brightness_nosleep' filepath='drivers/leds/led-core.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_set_brightness_nosleep'>
+        <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-core.c' line='284' column='1'/>
+        <parameter type-id='fa598f35' name='value' filepath='drivers/leds/led-core.c' line='285' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='led_trigger_register' mangled-name='led_trigger_register' filepath='drivers/leds/led-triggers.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_register'>
+        <parameter type-id='db6d90a1' name='trig' filepath='drivers/leds/led-triggers.c' line='283' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='led_trigger_unregister' mangled-name='led_trigger_unregister' filepath='drivers/leds/led-triggers.c' line='323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_unregister'>
+        <parameter type-id='db6d90a1' name='trig' filepath='drivers/leds/led-triggers.c' line='323' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='list_sort' mangled-name='list_sort' filepath='lib/list_sort.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='list_sort'>
+        <parameter type-id='eaa32e2f' name='priv' filepath='lib/list_sort.c' line='185' column='1'/>
+        <parameter type-id='e84b031a' name='head' filepath='lib/list_sort.c' line='185' column='1'/>
+        <parameter type-id='9c752ec9' name='cmp' filepath='lib/list_sort.c' line='185' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='llist_add_batch' mangled-name='llist_add_batch' filepath='lib/llist.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='llist_add_batch'>
+        <parameter type-id='023b769e' name='new_first' filepath='lib/llist.c' line='26' column='1'/>
+        <parameter type-id='023b769e' name='new_last' filepath='lib/llist.c' line='26' column='1'/>
+        <parameter type-id='b0222d74' name='head' filepath='lib/llist.c' line='27' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='lock_sock_nested' mangled-name='lock_sock_nested' filepath='net/core/sock.c' line='3101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lock_sock_nested'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='3101' column='1'/>
+        <parameter type-id='95e97e5e' name='subclass' filepath='net/core/sock.c' line='3101' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='log_abnormal_wakeup_reason' mangled-name='log_abnormal_wakeup_reason' filepath='kernel/power/wakeup_reason.c' line='249' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='log_abnormal_wakeup_reason'>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/power/wakeup_reason.c' line='249' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='log_threaded_irq_wakeup_reason' mangled-name='log_threaded_irq_wakeup_reason' filepath='kernel/power/wakeup_reason.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='log_threaded_irq_wakeup_reason'>
+        <parameter type-id='95e97e5e' name='irq' filepath='kernel/power/wakeup_reason.c' line='173' column='1'/>
+        <parameter type-id='95e97e5e' name='parent_irq' filepath='kernel/power/wakeup_reason.c' line='173' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='loops_per_jiffy' type-id='7359adad' mangled-name='loops_per_jiffy' visibility='default' filepath='init/main.c' line='229' column='1' elf-symbol-id='loops_per_jiffy'/>
+      <function-decl name='lru_cache_disable' mangled-name='lru_cache_disable' filepath='mm/swap.c' line='989' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lru_cache_disable'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='lru_cache_enable' mangled-name='lru_cache_enable' filepath='mm/swap.c' line='975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lru_cache_enable'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='lzo1x_1_compress' mangled-name='lzo1x_1_compress' filepath='lib/lzo/lzo1x_compress.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzo1x_1_compress'>
+        <parameter type-id='354f7eb9' name='in' filepath='lib/lzo/lzo1x_compress.c' line='381' column='1'/>
+        <parameter type-id='b59d7dce' name='in_len' filepath='lib/lzo/lzo1x_compress.c' line='381' column='1'/>
+        <parameter type-id='cf536864' name='out' filepath='lib/lzo/lzo1x_compress.c' line='382' column='1'/>
+        <parameter type-id='78c01427' name='out_len' filepath='lib/lzo/lzo1x_compress.c' line='382' column='1'/>
+        <parameter type-id='eaa32e2f' name='wrkmem' filepath='lib/lzo/lzo1x_compress.c' line='383' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='lzo1x_decompress_safe' mangled-name='lzo1x_decompress_safe' filepath='lib/lzo/lzo1x_decompress_safe.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzo1x_decompress_safe'>
+        <parameter type-id='354f7eb9' name='in' filepath='lib/lzo/lzo1x_decompress_safe.c' line='39' column='1'/>
+        <parameter type-id='b59d7dce' name='in_len' filepath='lib/lzo/lzo1x_decompress_safe.c' line='39' column='1'/>
+        <parameter type-id='cf536864' name='out' filepath='lib/lzo/lzo1x_decompress_safe.c' line='40' column='1'/>
+        <parameter type-id='78c01427' name='out_len' filepath='lib/lzo/lzo1x_decompress_safe.c' line='40' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='lzorle1x_1_compress' mangled-name='lzorle1x_1_compress' filepath='lib/lzo/lzo1x_compress.c' line='388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzorle1x_1_compress'>
+        <parameter type-id='354f7eb9' name='in' filepath='lib/lzo/lzo1x_compress.c' line='388' column='1'/>
+        <parameter type-id='b59d7dce' name='in_len' filepath='lib/lzo/lzo1x_compress.c' line='388' column='1'/>
+        <parameter type-id='cf536864' name='out' filepath='lib/lzo/lzo1x_compress.c' line='389' column='1'/>
+        <parameter type-id='78c01427' name='out_len' filepath='lib/lzo/lzo1x_compress.c' line='389' column='1'/>
+        <parameter type-id='eaa32e2f' name='wrkmem' filepath='lib/lzo/lzo1x_compress.c' line='390' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mac_pton' mangled-name='mac_pton' filepath='lib/net_utils.c' line='7' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mac_pton'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/net_utils.c' line='7' column='1'/>
+        <parameter type-id='8bff8096' name='mac' filepath='lib/net_utils.c' line='7' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='map_kernel_range' mangled-name='map_kernel_range' filepath='mm/vmalloc.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='map_kernel_range'>
+        <parameter type-id='7359adad' name='start' filepath='mm/vmalloc.c' line='321' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='321' column='1'/>
+        <parameter type-id='2e2dcbd3' name='prot' filepath='mm/vmalloc.c' line='321' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/vmalloc.c' line='322' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='match_string' mangled-name='match_string' filepath='lib/string.c' line='737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='match_string'>
+        <parameter type-id='13956559' name='array' filepath='lib/string.c' line='737' column='1'/>
+        <parameter type-id='b59d7dce' name='n' filepath='lib/string.c' line='737' column='1'/>
+        <parameter type-id='80f4b756' name='string' filepath='lib/string.c' line='737' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mbox_chan_received_data' mangled-name='mbox_chan_received_data' filepath='drivers/mailbox/mailbox.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_chan_received_data'>
+        <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='152' column='1'/>
+        <parameter type-id='eaa32e2f' name='mssg' filepath='drivers/mailbox/mailbox.c' line='152' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mbox_chan_txdone' mangled-name='mbox_chan_txdone' filepath='drivers/mailbox/mailbox.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_chan_txdone'>
+        <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='170' column='1'/>
+        <parameter type-id='95e97e5e' name='r' filepath='drivers/mailbox/mailbox.c' line='170' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mbox_client_txdone' mangled-name='mbox_client_txdone' filepath='drivers/mailbox/mailbox.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_client_txdone'>
+        <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='191' column='1'/>
+        <parameter type-id='95e97e5e' name='r' filepath='drivers/mailbox/mailbox.c' line='191' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mbox_controller_register' mangled-name='mbox_controller_register' filepath='drivers/mailbox/mailbox.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_controller_register'>
+        <parameter type-id='fb648468' name='mbox' filepath='drivers/mailbox/mailbox.c' line='478' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mbox_controller_unregister' mangled-name='mbox_controller_unregister' filepath='drivers/mailbox/mailbox.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_controller_unregister'>
+        <parameter type-id='fb648468' name='mbox' filepath='drivers/mailbox/mailbox.c' line='529' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mbox_free_channel' mangled-name='mbox_free_channel' filepath='drivers/mailbox/mailbox.c' line='438' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_free_channel'>
+        <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='438' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mbox_request_channel' mangled-name='mbox_request_channel' filepath='drivers/mailbox/mailbox.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_request_channel'>
+        <parameter type-id='aeae13b9' name='cl' filepath='drivers/mailbox/mailbox.c' line='331' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/mailbox/mailbox.c' line='331' column='1'/>
+        <return type-id='339c87e8'/>
+      </function-decl>
+      <function-decl name='mbox_request_channel_byname' mangled-name='mbox_request_channel_byname' filepath='drivers/mailbox/mailbox.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_request_channel_byname'>
+        <parameter type-id='aeae13b9' name='cl' filepath='drivers/mailbox/mailbox.c' line='402' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/mailbox/mailbox.c' line='403' column='1'/>
+        <return type-id='339c87e8'/>
+      </function-decl>
+      <function-decl name='mbox_send_message' mangled-name='mbox_send_message' filepath='drivers/mailbox/mailbox.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_send_message'>
+        <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='250' column='1'/>
+        <parameter type-id='eaa32e2f' name='mssg' filepath='drivers/mailbox/mailbox.c' line='250' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mdiobus_alloc_size' mangled-name='mdiobus_alloc_size' filepath='drivers/net/phy/mdio_bus.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_alloc_size'>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/net/phy/mdio_bus.c' line='142' column='1'/>
+        <return type-id='ff47b24b'/>
+      </function-decl>
+      <function-decl name='mdiobus_free' mangled-name='mdiobus_free' filepath='drivers/net/phy/mdio_bus.c' line='655' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_free'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='655' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mdiobus_get_phy' mangled-name='mdiobus_get_phy' filepath='drivers/net/phy/mdio_bus.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_get_phy'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='109' column='1'/>
+        <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='109' column='1'/>
+        <return type-id='7efbcaaf'/>
+      </function-decl>
+      <function-decl name='mdiobus_read' mangled-name='mdiobus_read' filepath='drivers/net/phy/mdio_bus.c' line='859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_read'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='859' column='1'/>
+        <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='859' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='859' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mdiobus_unregister' mangled-name='mdiobus_unregister' filepath='drivers/net/phy/mdio_bus.c' line='618' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_unregister'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='618' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mdiobus_write' mangled-name='mdiobus_write' filepath='drivers/net/phy/mdio_bus.c' line='908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_write'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='908' column='1'/>
+        <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='908' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='908' column='1'/>
+        <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/mdio_bus.c' line='908' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_create_intf_link' mangled-name='media_create_intf_link' filepath='drivers/media/mc/mc-entity.c' line='967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_create_intf_link'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='967' column='1'/>
+        <parameter type-id='afe1ccd7' name='intf' filepath='drivers/media/mc/mc-entity.c' line='968' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='969' column='1'/>
+        <return type-id='b4de78ea'/>
+      </function-decl>
+      <function-decl name='media_create_pad_link' mangled-name='media_create_pad_link' filepath='drivers/media/mc/mc-entity.c' line='659' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_create_pad_link'>
+        <parameter type-id='19e05b5f' name='source' filepath='drivers/media/mc/mc-entity.c' line='659' column='1'/>
+        <parameter type-id='1dc6a898' name='source_pad' filepath='drivers/media/mc/mc-entity.c' line='659' column='1'/>
+        <parameter type-id='19e05b5f' name='sink' filepath='drivers/media/mc/mc-entity.c' line='660' column='1'/>
+        <parameter type-id='1dc6a898' name='sink_pad' filepath='drivers/media/mc/mc-entity.c' line='660' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='660' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_create_pad_links' mangled-name='media_create_pad_links' filepath='drivers/media/mc/mc-entity.c' line='715' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_create_pad_links'>
+        <parameter type-id='4e756b23' name='mdev' filepath='drivers/media/mc/mc-entity.c' line='715' column='1'/>
+        <parameter type-id='51bb592e' name='source_function' filepath='drivers/media/mc/mc-entity.c' line='716' column='1'/>
+        <parameter type-id='19e05b5f' name='source' filepath='drivers/media/mc/mc-entity.c' line='717' column='1'/>
+        <parameter type-id='d5c0a628' name='source_pad' filepath='drivers/media/mc/mc-entity.c' line='718' column='1'/>
+        <parameter type-id='51bb592e' name='sink_function' filepath='drivers/media/mc/mc-entity.c' line='719' column='1'/>
+        <parameter type-id='19e05b5f' name='sink' filepath='drivers/media/mc/mc-entity.c' line='720' column='1'/>
+        <parameter type-id='d5c0a628' name='sink_pad' filepath='drivers/media/mc/mc-entity.c' line='721' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='722' column='1'/>
+        <parameter type-id='4ab96a04' name='allow_both_undefined' filepath='drivers/media/mc/mc-entity.c' line='723' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_device_cleanup' mangled-name='media_device_cleanup' filepath='drivers/media/mc/mc-device.c' line='727' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_cleanup'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='727' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_device_delete' mangled-name='media_device_delete' filepath='drivers/media/mc/mc-dev-allocator.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_delete'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-dev-allocator.c' line='119' column='1'/>
+        <parameter type-id='80f4b756' name='module_name' filepath='drivers/media/mc/mc-dev-allocator.c' line='119' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/media/mc/mc-dev-allocator.c' line='120' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_device_init' mangled-name='media_device_init' filepath='drivers/media/mc/mc-device.c' line='709' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_init'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='709' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_device_register_entity' mangled-name='media_device_register_entity' filepath='drivers/media/mc/mc-device.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_register_entity'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='621' column='1'/>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-device.c' line='622' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_device_register_entity_notify' mangled-name='media_device_register_entity_notify' filepath='drivers/media/mc/mc-device.c' line='778' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_register_entity_notify'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='778' column='1'/>
+        <parameter type-id='12054f29' name='nptr' filepath='drivers/media/mc/mc-device.c' line='779' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_device_unregister' mangled-name='media_device_unregister' filepath='drivers/media/mc/mc-device.c' line='806' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_unregister'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='806' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_device_unregister_entity' mangled-name='media_device_unregister_entity' filepath='drivers/media/mc/mc-device.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_unregister_entity'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-device.c' line='686' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_device_unregister_entity_notify' mangled-name='media_device_unregister_entity_notify' filepath='drivers/media/mc/mc-device.c' line='797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_unregister_entity_notify'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='797' column='1'/>
+        <parameter type-id='12054f29' name='nptr' filepath='drivers/media/mc/mc-device.c' line='798' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_device_usb_allocate' mangled-name='media_device_usb_allocate' filepath='drivers/media/mc/mc-dev-allocator.c' line='97' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_usb_allocate'>
+        <parameter type-id='25e60cb2' name='udev' filepath='drivers/media/mc/mc-dev-allocator.c' line='97' column='1'/>
+        <parameter type-id='80f4b756' name='module_name' filepath='drivers/media/mc/mc-dev-allocator.c' line='98' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/media/mc/mc-dev-allocator.c' line='99' column='1'/>
+        <return type-id='e2929c1c'/>
+      </function-decl>
+      <function-decl name='media_devnode_create' mangled-name='media_devnode_create' filepath='drivers/media/mc/mc-entity.c' line='939' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_devnode_create'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-entity.c' line='939' column='1'/>
+        <parameter type-id='19c2251e' name='type' filepath='drivers/media/mc/mc-entity.c' line='940' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='940' column='1'/>
+        <parameter type-id='19c2251e' name='major' filepath='drivers/media/mc/mc-entity.c' line='941' column='1'/>
+        <parameter type-id='19c2251e' name='minor' filepath='drivers/media/mc/mc-entity.c' line='941' column='1'/>
+        <return type-id='8114c6c9'/>
+      </function-decl>
+      <function-decl name='media_devnode_remove' mangled-name='media_devnode_remove' filepath='drivers/media/mc/mc-entity.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_devnode_remove'>
+        <parameter type-id='8114c6c9' name='devnode' filepath='drivers/media/mc/mc-entity.c' line='959' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_entity_pads_init' mangled-name='media_entity_pads_init' filepath='drivers/media/mc/mc-entity.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_entity_pads_init'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='197' column='1'/>
+        <parameter type-id='1dc6a898' name='num_pads' filepath='drivers/media/mc/mc-entity.c' line='197' column='1'/>
+        <parameter type-id='50a51839' name='pads' filepath='drivers/media/mc/mc-entity.c' line='198' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_entity_remote_pad' mangled-name='media_entity_remote_pad' filepath='drivers/media/mc/mc-entity.c' line='905' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_entity_remote_pad'>
+        <parameter type-id='42a2b4e8' name='pad' filepath='drivers/media/mc/mc-entity.c' line='905' column='1'/>
+        <return type-id='50a51839'/>
+      </function-decl>
+      <function-decl name='media_entity_setup_link' mangled-name='media_entity_setup_link' filepath='drivers/media/mc/mc-entity.c' line='876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_entity_setup_link'>
+        <parameter type-id='b4de78ea' name='link' filepath='drivers/media/mc/mc-entity.c' line='876' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='876' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_get_pad_index' mangled-name='media_get_pad_index' filepath='drivers/media/mc/mc-entity.c' line='632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_get_pad_index'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='632' column='1'/>
+        <parameter type-id='b50a4934' name='is_sink' filepath='drivers/media/mc/mc-entity.c' line='632' column='1'/>
+        <parameter type-id='ec7f70f4' name='sig_type' filepath='drivers/media/mc/mc-entity.c' line='633' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_graph_walk_cleanup' mangled-name='media_graph_walk_cleanup' filepath='drivers/media/mc/mc-entity.c' line='288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_cleanup'>
+        <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='288' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_graph_walk_init' mangled-name='media_graph_walk_init' filepath='drivers/media/mc/mc-entity.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_init'>
+        <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='278' column='1'/>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-entity.c' line='278' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_graph_walk_next' mangled-name='media_graph_walk_next' filepath='drivers/media/mc/mc-entity.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_next'>
+        <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='345' column='1'/>
+        <return type-id='19e05b5f'/>
+      </function-decl>
+      <function-decl name='media_graph_walk_start' mangled-name='media_graph_walk_start' filepath='drivers/media/mc/mc-entity.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_start'>
+        <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='294' column='1'/>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='295' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='media_pipeline_start' mangled-name='media_pipeline_start' filepath='drivers/media/mc/mc-entity.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_pipeline_start'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='532' column='1'/>
+        <parameter type-id='4ffae8c8' name='pipe' filepath='drivers/media/mc/mc-entity.c' line='533' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='media_pipeline_stop' mangled-name='media_pipeline_stop' filepath='drivers/media/mc/mc-entity.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_pipeline_stop'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='574' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='memblock_free' mangled-name='memblock_free' filepath='mm/memblock.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memblock_free'>
+        <parameter type-id='2522883d' name='base' filepath='mm/memblock.c' line='807' column='1'/>
+        <parameter type-id='2522883d' name='size' filepath='mm/memblock.c' line='807' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='memchr_inv' mangled-name='memchr_inv' filepath='lib/string.c' line='1087' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memchr_inv'>
+        <parameter type-id='eaa32e2f' name='start' filepath='lib/string.c' line='1087' column='1'/>
+        <parameter type-id='95e97e5e' name='c' filepath='lib/string.c' line='1087' column='1'/>
+        <parameter type-id='b59d7dce' name='bytes' filepath='lib/string.c' line='1087' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='memdup_user' mangled-name='memdup_user' filepath='mm/util.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memdup_user'>
+        <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='172' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='172' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='memdup_user_nul' mangled-name='memdup_user_nul' filepath='mm/util.c' line='254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memdup_user_nul'>
+        <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='254' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='254' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='memory_read_from_buffer' mangled-name='memory_read_from_buffer' filepath='fs/libfs.c' line='787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memory_read_from_buffer'>
+        <parameter type-id='eaa32e2f' name='to' filepath='fs/libfs.c' line='787' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='fs/libfs.c' line='787' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='787' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='fs/libfs.c' line='788' column='1'/>
+        <parameter type-id='b59d7dce' name='available' filepath='fs/libfs.c' line='788' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='memparse' mangled-name='memparse' filepath='lib/cmdline.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memparse'>
+        <parameter type-id='80f4b756' name='ptr' filepath='lib/cmdline.c' line='125' column='1'/>
+        <parameter type-id='9b23c9ad' name='retptr' filepath='lib/cmdline.c' line='125' column='1'/>
+        <return type-id='0d77e947'/>
+      </function-decl>
+      <function-decl name='mempool_alloc' mangled-name='mempool_alloc' filepath='mm/mempool.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_alloc'>
+        <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='375' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='375' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='mempool_alloc_slab' mangled-name='mempool_alloc_slab' filepath='mm/mempool.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_alloc_slab'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='509' column='1'/>
+        <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='509' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='mempool_create' mangled-name='mempool_create' filepath='mm/mempool.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_create'>
+        <parameter type-id='95e97e5e' name='min_nr' filepath='mm/mempool.c' line='253' column='1'/>
+        <parameter type-id='8bf6d789' name='alloc_fn' filepath='mm/mempool.c' line='253' column='1'/>
+        <parameter type-id='a4c19f22' name='free_fn' filepath='mm/mempool.c' line='254' column='1'/>
+        <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='254' column='1'/>
+        <return type-id='78713e8f'/>
+      </function-decl>
+      <function-decl name='mempool_create_node' mangled-name='mempool_create_node' filepath='mm/mempool.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_create_node'>
+        <parameter type-id='95e97e5e' name='min_nr' filepath='mm/mempool.c' line='261' column='1'/>
+        <parameter type-id='8bf6d789' name='alloc_fn' filepath='mm/mempool.c' line='261' column='1'/>
+        <parameter type-id='a4c19f22' name='free_fn' filepath='mm/mempool.c' line='262' column='1'/>
+        <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='262' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='263' column='1'/>
+        <parameter type-id='95e97e5e' name='node_id' filepath='mm/mempool.c' line='263' column='1'/>
+        <return type-id='78713e8f'/>
+      </function-decl>
+      <function-decl name='mempool_destroy' mangled-name='mempool_destroy' filepath='mm/mempool.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_destroy'>
+        <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='170' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mempool_free' mangled-name='mempool_free' filepath='mm/mempool.c' line='452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_free'>
+        <parameter type-id='eaa32e2f' name='element' filepath='mm/mempool.c' line='452' column='1'/>
+        <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='452' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mempool_free_slab' mangled-name='mempool_free_slab' filepath='mm/mempool.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_free_slab'>
+        <parameter type-id='eaa32e2f' name='element' filepath='mm/mempool.c' line='517' column='1'/>
+        <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='517' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mempool_kfree' mangled-name='mempool_kfree' filepath='mm/mempool.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_kfree'>
+        <parameter type-id='eaa32e2f' name='element' filepath='mm/mempool.c' line='535' column='1'/>
+        <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='535' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mempool_kmalloc' mangled-name='mempool_kmalloc' filepath='mm/mempool.c' line='528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_kmalloc'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='528' column='1'/>
+        <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='528' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='memremap' mangled-name='memremap' filepath='kernel/iomem.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memremap'>
+        <parameter type-id='acc63fdf' name='offset' filepath='kernel/iomem.c' line='71' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='kernel/iomem.c' line='71' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='kernel/iomem.c' line='71' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='memset64' mangled-name='memset64' filepath='lib/string.c' line='863' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memset64'>
+        <parameter type-id='5d6479ae' name='s' filepath='lib/string.c' line='863' column='1'/>
+        <parameter type-id='9c313c2d' name='v' filepath='lib/string.c' line='863' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='863' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <var-decl name='memstart_addr' type-id='9b7c55ef' mangled-name='memstart_addr' visibility='default' filepath='arch/arm64/mm/init.c' line='53' column='1' elf-symbol-id='memstart_addr'/>
+      <function-decl name='memunmap' mangled-name='memunmap' filepath='kernel/iomem.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memunmap'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='kernel/iomem.c' line='122' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mfd_add_devices' mangled-name='mfd_add_devices' filepath='drivers/mfd/mfd-core.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mfd_add_devices'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/mfd/mfd-core.c' line='341' column='1'/>
+        <parameter type-id='95e97e5e' name='id' filepath='drivers/mfd/mfd-core.c' line='341' column='1'/>
+        <parameter type-id='1447e860' name='cells' filepath='drivers/mfd/mfd-core.c' line='342' column='1'/>
+        <parameter type-id='95e97e5e' name='n_devs' filepath='drivers/mfd/mfd-core.c' line='342' column='1'/>
+        <parameter type-id='c9d64c0d' name='mem_base' filepath='drivers/mfd/mfd-core.c' line='343' column='1'/>
+        <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/mfd/mfd-core.c' line='344' column='1'/>
+        <parameter type-id='7544e824' name='domain' filepath='drivers/mfd/mfd-core.c' line='344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mfd_remove_devices' mangled-name='mfd_remove_devices' filepath='drivers/mfd/mfd-core.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mfd_remove_devices'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/mfd/mfd-core.c' line='396' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mii_check_media' mangled-name='mii_check_media' filepath='drivers/net/mii.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_check_media'>
+        <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='504' column='1'/>
+        <parameter type-id='f0981eeb' name='ok_to_print' filepath='drivers/net/mii.c' line='505' column='1'/>
+        <parameter type-id='f0981eeb' name='init_media' filepath='drivers/net/mii.c' line='506' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='mii_ethtool_get_link_ksettings' mangled-name='mii_ethtool_get_link_ksettings' filepath='drivers/net/mii.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_ethtool_get_link_ksettings'>
+        <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='145' column='1'/>
+        <parameter type-id='70de91e2' name='cmd' filepath='drivers/net/mii.c' line='146' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mii_ethtool_gset' mangled-name='mii_ethtool_gset' filepath='drivers/net/mii.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_ethtool_gset'>
+        <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='55' column='1'/>
+        <parameter type-id='d064f511' name='ecmd' filepath='drivers/net/mii.c' line='55' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mii_ethtool_set_link_ksettings' mangled-name='mii_ethtool_set_link_ksettings' filepath='drivers/net/mii.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_ethtool_set_link_ksettings'>
+        <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='329' column='1'/>
+        <parameter type-id='b2c34f11' name='cmd' filepath='drivers/net/mii.c' line='330' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mii_link_ok' mangled-name='mii_link_ok' filepath='drivers/net/mii.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_link_ok'>
+        <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='444' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mii_nway_restart' mangled-name='mii_nway_restart' filepath='drivers/net/mii.c' line='459' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_nway_restart'>
+        <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='459' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_attach' mangled-name='mipi_dsi_attach' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_attach'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='324' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_compression_mode' mangled-name='mipi_dsi_compression_mode' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='564' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_compression_mode'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='564' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='564' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_create_packet' mangled-name='mipi_dsi_create_packet' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_create_packet'>
+        <parameter type-id='368a0122' name='packet' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='444' column='1'/>
+        <parameter type-id='001b67aa' name='msg' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='445' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_dcs_get_display_brightness' mangled-name='mipi_dsi_dcs_get_display_brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_get_display_brightness'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1130' column='1'/>
+        <parameter type-id='26d4d46f' name='brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1131' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_dcs_read' mangled-name='mipi_dsi_dcs_read' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_read'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='788' column='1'/>
+        <parameter type-id='f9b06939' name='cmd' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='788' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='788' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='789' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_dcs_set_column_address' mangled-name='mipi_dsi_dcs_set_column_address' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_column_address'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='975' column='1'/>
+        <parameter type-id='1dc6a898' name='start' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='975' column='1'/>
+        <parameter type-id='1dc6a898' name='end' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='976' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_dcs_set_display_brightness' mangled-name='mipi_dsi_dcs_set_display_brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_display_brightness'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1107' column='1'/>
+        <parameter type-id='1dc6a898' name='brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1108' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_dcs_set_page_address' mangled-name='mipi_dsi_dcs_set_page_address' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_page_address'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='999' column='1'/>
+        <parameter type-id='1dc6a898' name='start' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='999' column='1'/>
+        <parameter type-id='1dc6a898' name='end' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1000' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_dcs_write_buffer' mangled-name='mipi_dsi_dcs_write_buffer' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_write_buffer'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='705' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='706' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='706' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_detach' mangled-name='mipi_dsi_detach' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_detach'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='339' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_device_register_full' mangled-name='mipi_dsi_device_register_full' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='201' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_device_register_full'>
+        <parameter type-id='c149fe34' name='host' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='201' column='1'/>
+        <parameter type-id='4b2c3420' name='info' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='202' column='1'/>
+        <return type-id='182be7cc'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_device_unregister' mangled-name='mipi_dsi_device_unregister' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_device_unregister'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='244' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_driver_register_full' mangled-name='mipi_dsi_driver_register_full' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_driver_register_full'>
+        <parameter type-id='0588e2f0' name='drv' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1231' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1232' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_driver_unregister' mangled-name='mipi_dsi_driver_unregister' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_driver_unregister'>
+        <parameter type-id='0588e2f0' name='drv' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1254' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_generic_write' mangled-name='mipi_dsi_generic_write' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='616' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_generic_write'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='616' column='1'/>
+        <parameter type-id='eaa32e2f' name='payload' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='616' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='617' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_host_register' mangled-name='mipi_dsi_host_register' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_host_register'>
+        <parameter type-id='c149fe34' name='host' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='281' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_host_unregister' mangled-name='mipi_dsi_host_unregister' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='310' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_host_unregister'>
+        <parameter type-id='c149fe34' name='host' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='310' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_packet_format_is_long' mangled-name='mipi_dsi_packet_format_is_long' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_packet_format_is_long'>
+        <parameter type-id='f9b06939' name='type' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='410' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_packet_format_is_short' mangled-name='mipi_dsi_packet_format_is_short' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='372' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_packet_format_is_short'>
+        <parameter type-id='f9b06939' name='type' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='372' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='mipi_dsi_picture_parameter_set' mangled-name='mipi_dsi_picture_parameter_set' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_picture_parameter_set'>
+        <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='589' column='1'/>
+        <parameter type-id='2b4a193c' name='pps' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='590' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='misc_deregister' mangled-name='misc_deregister' filepath='drivers/char/misc.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='misc_deregister'>
+        <parameter type-id='c63257f7' name='misc' filepath='drivers/char/misc.c' line='239' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='misc_register' mangled-name='misc_register' filepath='drivers/char/misc.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='misc_register'>
+        <parameter type-id='c63257f7' name='misc' filepath='drivers/char/misc.c' line='173' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mktime64' mangled-name='mktime64' filepath='kernel/time/time.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mktime64'>
+        <parameter type-id='20f5f452' name='year0' filepath='kernel/time/time.c' line='431' column='1'/>
+        <parameter type-id='20f5f452' name='mon0' filepath='kernel/time/time.c' line='431' column='1'/>
+        <parameter type-id='20f5f452' name='day' filepath='kernel/time/time.c' line='432' column='1'/>
+        <parameter type-id='20f5f452' name='hour' filepath='kernel/time/time.c' line='432' column='1'/>
+        <parameter type-id='20f5f452' name='min' filepath='kernel/time/time.c' line='433' column='1'/>
+        <parameter type-id='20f5f452' name='sec' filepath='kernel/time/time.c' line='433' column='1'/>
+        <return type-id='1afd27ac'/>
+      </function-decl>
+      <function-decl name='mm_trace_rss_stat' mangled-name='mm_trace_rss_stat' filepath='mm/memory.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mm_trace_rss_stat'>
+        <parameter type-id='df4b7819' name='mm' filepath='mm/memory.c' line='163' column='1'/>
+        <parameter type-id='95e97e5e' name='member' filepath='mm/memory.c' line='163' column='1'/>
+        <parameter type-id='bd54fe1a' name='count' filepath='mm/memory.c' line='163' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_add_host' mangled-name='mmc_add_host' filepath='drivers/mmc/core/host.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_add_host'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='561' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_alloc_host' mangled-name='mmc_alloc_host' filepath='drivers/mmc/core/host.c' line='448' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_alloc_host'>
+        <parameter type-id='95e97e5e' name='extra' filepath='drivers/mmc/core/host.c' line='448' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/mmc/core/host.c' line='448' column='1'/>
+        <return type-id='dd575c43'/>
+      </function-decl>
+      <function-decl name='mmc_app_cmd' mangled-name='mmc_app_cmd' filepath='drivers/mmc/core/sd_ops.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_app_cmd'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/sd_ops.c' line='21' column='1'/>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/sd_ops.c' line='21' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_calc_max_discard' mangled-name='mmc_calc_max_discard' filepath='drivers/mmc/core/core.c' line='2030' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_calc_max_discard'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='2030' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='mmc_can_erase' mangled-name='mmc_can_erase' filepath='drivers/mmc/core/core.c' line='1894' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_erase'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1894' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_can_gpio_cd' mangled-name='mmc_can_gpio_cd' filepath='drivers/mmc/core/slot-gpio.c' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_gpio_cd'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='208' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='mmc_can_secure_erase_trim' mangled-name='mmc_can_secure_erase_trim' filepath='drivers/mmc/core/core.c' line='1932' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_secure_erase_trim'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1932' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_can_trim' mangled-name='mmc_can_trim' filepath='drivers/mmc/core/core.c' line='1902' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_trim'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1902' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_cmdq_disable' mangled-name='mmc_cmdq_disable' filepath='drivers/mmc/core/mmc_ops.c' line='1027' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cmdq_disable'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='1027' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_cmdq_enable' mangled-name='mmc_cmdq_enable' filepath='drivers/mmc/core/mmc_ops.c' line='1021' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cmdq_enable'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='1021' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_cqe_post_req' mangled-name='mmc_cqe_post_req' filepath='drivers/mmc/core/core.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_post_req'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='516' column='1'/>
+        <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='516' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_cqe_recovery' mangled-name='mmc_cqe_recovery' filepath='drivers/mmc/core/core.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_recovery'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='535' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_cqe_request_done' mangled-name='mmc_cqe_request_done' filepath='drivers/mmc/core/core.c' line='482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_request_done'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='482' column='1'/>
+        <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='482' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_cqe_start_req' mangled-name='mmc_cqe_start_req' filepath='drivers/mmc/core/core.c' line='432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_start_req'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='432' column='1'/>
+        <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='432' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_crypto_prepare_req' mangled-name='mmc_crypto_prepare_req' filepath='drivers/mmc/core/crypto.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_crypto_prepare_req'>
+        <parameter type-id='8a025557' name='mqrq' filepath='drivers/mmc/core/crypto.c' line='29' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_crypto_setup_queue' mangled-name='mmc_crypto_setup_queue' filepath='drivers/mmc/core/crypto.c' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_crypto_setup_queue'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='drivers/mmc/core/crypto.c' line='22' column='1'/>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/crypto.c' line='22' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_detect_card_removed' mangled-name='mmc_detect_card_removed' filepath='drivers/mmc/core/core.c' line='2221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_detect_card_removed'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='2221' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_detect_change' mangled-name='mmc_detect_change' filepath='drivers/mmc/core/core.c' line='1496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_detect_change'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='1496' column='1'/>
+        <parameter type-id='7359adad' name='delay' filepath='drivers/mmc/core/core.c' line='1496' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_erase' mangled-name='mmc_erase' filepath='drivers/mmc/core/core.c' line='1834' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_erase'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1834' column='1'/>
+        <parameter type-id='f0981eeb' name='from' filepath='drivers/mmc/core/core.c' line='1834' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='drivers/mmc/core/core.c' line='1834' column='1'/>
+        <parameter type-id='f0981eeb' name='arg' filepath='drivers/mmc/core/core.c' line='1835' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_erase_group_aligned' mangled-name='mmc_erase_group_aligned' filepath='drivers/mmc/core/core.c' line='1941' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_erase_group_aligned'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1941' column='1'/>
+        <parameter type-id='f0981eeb' name='from' filepath='drivers/mmc/core/core.c' line='1941' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='drivers/mmc/core/core.c' line='1942' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_flush_cache' mangled-name='mmc_flush_cache' filepath='drivers/mmc/core/mmc_ops.c' line='988' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_flush_cache'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='988' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_free_host' mangled-name='mmc_free_host' filepath='drivers/mmc/core/host.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_free_host'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='614' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_get_card' mangled-name='mmc_get_card' filepath='drivers/mmc/core/core.c' line='862' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_get_card'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='862' column='1'/>
+        <parameter type-id='f1e196e0' name='ctx' filepath='drivers/mmc/core/core.c' line='862' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_get_ext_csd' mangled-name='mmc_get_ext_csd' filepath='drivers/mmc/core/mmc_ops.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_get_ext_csd'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='358' column='1'/>
+        <parameter type-id='1f37a7f4' name='new_ext_csd' filepath='drivers/mmc/core/mmc_ops.c' line='358' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_gpio_get_cd' mangled-name='mmc_gpio_get_cd' filepath='drivers/mmc/core/slot-gpio.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpio_get_cd'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='80' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_gpio_get_ro' mangled-name='mmc_gpio_get_ro' filepath='drivers/mmc/core/slot-gpio.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpio_get_ro'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='69' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_gpiod_request_cd' mangled-name='mmc_gpiod_request_cd' filepath='drivers/mmc/core/slot-gpio.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpiod_request_cd'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='176' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/mmc/core/slot-gpio.c' line='176' column='1'/>
+        <parameter type-id='f0981eeb' name='idx' filepath='drivers/mmc/core/slot-gpio.c' line='177' column='1'/>
+        <parameter type-id='b50a4934' name='override_active_level' filepath='drivers/mmc/core/slot-gpio.c' line='177' column='1'/>
+        <parameter type-id='f0981eeb' name='debounce' filepath='drivers/mmc/core/slot-gpio.c' line='178' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_gpiod_request_cd_irq' mangled-name='mmc_gpiod_request_cd_irq' filepath='drivers/mmc/core/slot-gpio.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpiod_request_cd_irq'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='95' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_gpiod_request_ro' mangled-name='mmc_gpiod_request_ro' filepath='drivers/mmc/core/slot-gpio.c' line='225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpiod_request_ro'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='225' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/mmc/core/slot-gpio.c' line='225' column='1'/>
+        <parameter type-id='f0981eeb' name='idx' filepath='drivers/mmc/core/slot-gpio.c' line='226' column='1'/>
+        <parameter type-id='f0981eeb' name='debounce' filepath='drivers/mmc/core/slot-gpio.c' line='226' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_hw_reset' mangled-name='mmc_hw_reset' filepath='drivers/mmc/core/core.c' line='2098' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_hw_reset'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='2098' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_of_parse' mangled-name='mmc_of_parse' filepath='drivers/mmc/core/host.c' line='223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_of_parse'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='223' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_of_parse_voltage' mangled-name='mmc_of_parse_voltage' filepath='drivers/mmc/core/host.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_of_parse_voltage'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/mmc/core/host.c' line='392' column='1'/>
+        <parameter type-id='f9409001' name='mask' filepath='drivers/mmc/core/host.c' line='392' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_put_card' mangled-name='mmc_put_card' filepath='drivers/mmc/core/core.c' line='873' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_put_card'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='873' column='1'/>
+        <parameter type-id='f1e196e0' name='ctx' filepath='drivers/mmc/core/core.c' line='873' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_pwrseq_register' mangled-name='mmc_pwrseq_register' filepath='drivers/mmc/core/pwrseq.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_pwrseq_register'>
+        <parameter type-id='0d786921' name='pwrseq' filepath='drivers/mmc/core/pwrseq.c' line='96' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_pwrseq_unregister' mangled-name='mmc_pwrseq_unregister' filepath='drivers/mmc/core/pwrseq.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_pwrseq_unregister'>
+        <parameter type-id='0d786921' name='pwrseq' filepath='drivers/mmc/core/pwrseq.c' line='109' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_register_driver' mangled-name='mmc_register_driver' filepath='drivers/mmc/core/bus.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_register_driver'>
+        <parameter type-id='a46f3b5b' name='drv' filepath='drivers/mmc/core/bus.c' line='253' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_regulator_get_supply' mangled-name='mmc_regulator_get_supply' filepath='drivers/mmc/core/regulator.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_regulator_get_supply'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/core/regulator.c' line='245' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_regulator_set_ocr' mangled-name='mmc_regulator_set_ocr' filepath='drivers/mmc/core/regulator.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_regulator_set_ocr'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/core/regulator.c' line='106' column='1'/>
+        <parameter type-id='850c13f6' name='supply' filepath='drivers/mmc/core/regulator.c' line='107' column='1'/>
+        <parameter type-id='8efea9e5' name='vdd_bit' filepath='drivers/mmc/core/regulator.c' line='108' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_regulator_set_vqmmc' mangled-name='mmc_regulator_set_vqmmc' filepath='drivers/mmc/core/regulator.c' line='179' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_regulator_set_vqmmc'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/core/regulator.c' line='179' column='1'/>
+        <parameter type-id='3b590e48' name='ios' filepath='drivers/mmc/core/regulator.c' line='179' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_release_host' mangled-name='mmc_release_host' filepath='drivers/mmc/core/core.c' line='833' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_release_host'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='833' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_remove_host' mangled-name='mmc_remove_host' filepath='drivers/mmc/core/host.c' line='593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_remove_host'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='593' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_request_done' mangled-name='mmc_request_done' filepath='drivers/mmc/core/core.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_request_done'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='139' column='1'/>
+        <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='139' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_retune_pause' mangled-name='mmc_retune_pause' filepath='drivers/mmc/core/host.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_retune_pause'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='120' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_retune_release' mangled-name='mmc_retune_release' filepath='drivers/mmc/core/host.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_retune_release'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='161' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_retune_unpause' mangled-name='mmc_retune_unpause' filepath='drivers/mmc/core/host.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_retune_unpause'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='130' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_run_bkops' mangled-name='mmc_run_bkops' filepath='drivers/mmc/core/mmc_ops.c' line='950' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_run_bkops'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='950' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_sanitize' mangled-name='mmc_sanitize' filepath='drivers/mmc/core/mmc_ops.c' line='1033' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_sanitize'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='1033' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_send_status' mangled-name='mmc_send_status' filepath='drivers/mmc/core/mmc_ops.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_send_status'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='80' column='1'/>
+        <parameter type-id='f9409001' name='status' filepath='drivers/mmc/core/mmc_ops.c' line='80' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_send_tuning' mangled-name='mmc_send_tuning' filepath='drivers/mmc/core/mmc_ops.c' line='641' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_send_tuning'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/mmc_ops.c' line='641' column='1'/>
+        <parameter type-id='19c2251e' name='opcode' filepath='drivers/mmc/core/mmc_ops.c' line='641' column='1'/>
+        <parameter type-id='7292109c' name='cmd_error' filepath='drivers/mmc/core/mmc_ops.c' line='641' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_set_data_timeout' mangled-name='mmc_set_data_timeout' filepath='drivers/mmc/core/core.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_set_data_timeout'>
+        <parameter type-id='6de64ec1' name='data' filepath='drivers/mmc/core/core.c' line='654' column='1'/>
+        <parameter type-id='652034a8' name='card' filepath='drivers/mmc/core/core.c' line='654' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_start_request' mangled-name='mmc_start_request' filepath='drivers/mmc/core/core.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_start_request'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='336' column='1'/>
+        <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='336' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_sw_reset' mangled-name='mmc_sw_reset' filepath='drivers/mmc/core/core.c' line='2122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_sw_reset'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='2122' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_switch' mangled-name='mmc_switch' filepath='drivers/mmc/core/mmc_ops.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_switch'>
+        <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='633' column='1'/>
+        <parameter type-id='f9b06939' name='set' filepath='drivers/mmc/core/mmc_ops.c' line='633' column='1'/>
+        <parameter type-id='f9b06939' name='index' filepath='drivers/mmc/core/mmc_ops.c' line='633' column='1'/>
+        <parameter type-id='f9b06939' name='value' filepath='drivers/mmc/core/mmc_ops.c' line='633' column='1'/>
+        <parameter type-id='f0981eeb' name='timeout_ms' filepath='drivers/mmc/core/mmc_ops.c' line='634' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_unregister_driver' mangled-name='mmc_unregister_driver' filepath='drivers/mmc/core/bus.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_unregister_driver'>
+        <parameter type-id='a46f3b5b' name='drv' filepath='drivers/mmc/core/bus.c' line='265' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmc_wait_for_cmd' mangled-name='mmc_wait_for_cmd' filepath='drivers/mmc/core/core.c' line='627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_wait_for_cmd'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='627' column='1'/>
+        <parameter type-id='6df3750c' name='cmd' filepath='drivers/mmc/core/core.c' line='627' column='1'/>
+        <parameter type-id='95e97e5e' name='retries' filepath='drivers/mmc/core/core.c' line='627' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mmc_wait_for_req' mangled-name='mmc_wait_for_req' filepath='drivers/mmc/core/core.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_wait_for_req'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='608' column='1'/>
+        <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='608' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mmput' mangled-name='mmput' filepath='kernel/fork.c' line='1170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmput'>
+        <parameter type-id='df4b7819' name='mm' filepath='kernel/fork.c' line='1170' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mod_delayed_work_on' mangled-name='mod_delayed_work_on' filepath='kernel/workqueue.c' line='1735' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mod_delayed_work_on'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/workqueue.c' line='1735' column='1'/>
+        <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='1735' column='1'/>
+        <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='1736' column='1'/>
+        <parameter type-id='7359adad' name='delay' filepath='kernel/workqueue.c' line='1736' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='mod_timer' mangled-name='mod_timer' filepath='kernel/time/timer.c' line='1112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mod_timer'>
+        <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1112' column='1'/>
+        <parameter type-id='7359adad' name='expires' filepath='kernel/time/timer.c' line='1112' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='module_layout' mangled-name='module_layout' filepath='kernel/module.c' line='4829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='module_layout'>
+        <parameter type-id='2730d015' name='mod' filepath='kernel/module.c' line='4829' column='1'/>
+        <parameter type-id='3a498c74' name='ver' filepath='kernel/module.c' line='4830' column='1'/>
+        <parameter type-id='a7c6e908' name='kp' filepath='kernel/module.c' line='4831' column='1'/>
+        <parameter type-id='eefd7061' name='ks' filepath='kernel/module.c' line='4832' column='1'/>
+        <parameter type-id='e525e121' name='tp' filepath='kernel/module.c' line='4833' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='module_put' mangled-name='module_put' filepath='kernel/module.c' line='1154' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='module_put'>
+        <parameter type-id='2730d015' name='module' filepath='kernel/module.c' line='1154' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='msleep' mangled-name='msleep' filepath='kernel/time/timer.c' line='2033' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='msleep'>
+        <parameter type-id='f0981eeb' name='msecs' filepath='kernel/time/timer.c' line='2033' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='msleep_interruptible' mangled-name='msleep_interruptible' filepath='kernel/time/timer.c' line='2047' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='msleep_interruptible'>
+        <parameter type-id='f0981eeb' name='msecs' filepath='kernel/time/timer.c' line='2047' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='mutex_is_locked' mangled-name='mutex_is_locked' filepath='kernel/locking/mutex.c' line='85' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_is_locked'>
+        <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='85' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='mutex_lock' mangled-name='mutex_lock' filepath='kernel/locking/mutex.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_lock'>
+        <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='294' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='mutex_lock_interruptible' mangled-name='mutex_lock_interruptible' filepath='kernel/locking/mutex.c' line='1321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_lock_interruptible'>
+        <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='1321' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mutex_trylock' mangled-name='mutex_trylock' filepath='kernel/locking/mutex.c' line='1425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_trylock'>
+        <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='1425' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='mutex_trylock_recursive' mangled-name='mutex_trylock_recursive' filepath='kernel/locking/mutex.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_trylock_recursive'>
+        <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='92' column='1'/>
+        <return type-id='9a6ea243'/>
+      </function-decl>
+      <function-decl name='mutex_unlock' mangled-name='mutex_unlock' filepath='kernel/locking/mutex.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_unlock'>
+        <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='749' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='name_to_dev_t' mangled-name='name_to_dev_t' filepath='init/do_mounts.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='name_to_dev_t'>
+        <parameter type-id='80f4b756' name='name' filepath='init/do_mounts.c' line='222' column='1'/>
+        <return type-id='8504f260'/>
+      </function-decl>
+      <var-decl name='names_cachep' type-id='f3b4aca8' mangled-name='names_cachep' visibility='default' filepath='fs/dcache.c' line='3211' column='1' elf-symbol-id='names_cachep'/>
+      <function-decl name='napi_complete_done' mangled-name='napi_complete_done' filepath='net/core/dev.c' line='6496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_complete_done'>
+        <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6496' column='1'/>
+        <parameter type-id='95e97e5e' name='work_done' filepath='net/core/dev.c' line='6496' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='napi_consume_skb' mangled-name='napi_consume_skb' filepath='net/core/skbuff.c' line='908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_consume_skb'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='908' column='1'/>
+        <parameter type-id='95e97e5e' name='budget' filepath='net/core/skbuff.c' line='908' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='napi_disable' mangled-name='napi_disable' filepath='net/core/dev.c' line='6783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_disable'>
+        <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6783' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='napi_gro_flush' mangled-name='napi_gro_flush' filepath='net/core/dev.c' line='5858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_gro_flush'>
+        <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='5858' column='1'/>
+        <parameter type-id='b50a4934' name='flush_old' filepath='net/core/dev.c' line='5858' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='napi_gro_receive' mangled-name='napi_gro_receive' filepath='net/core/dev.c' line='6160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_gro_receive'>
+        <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='6160' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='6160' column='1'/>
+        <return type-id='dc1b1685'/>
+      </function-decl>
+      <function-decl name='napi_schedule_prep' mangled-name='napi_schedule_prep' filepath='net/core/dev.c' line='6453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_schedule_prep'>
+        <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6453' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <var-decl name='net_namespace_list' type-id='72f469ec' mangled-name='net_namespace_list' visibility='default' filepath='net/core/net_namespace.c' line='36' column='1' elf-symbol-id='net_namespace_list'/>
+      <function-decl name='net_ratelimit' mangled-name='net_ratelimit' filepath='net/core/utils.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='net_ratelimit'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netdev_alert' mangled-name='netdev_alert' filepath='net/core/dev.c' line='11145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_alert'>
+        <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11145' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11145' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_alloc_frag' mangled-name='netdev_alloc_frag' filepath='net/core/skbuff.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_alloc_frag'>
+        <parameter type-id='f0981eeb' name='fragsz' filepath='net/core/skbuff.c' line='400' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='netdev_change_features' mangled-name='netdev_change_features' filepath='net/core/dev.c' line='9771' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_change_features'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9771' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_err' mangled-name='netdev_err' filepath='net/core/dev.c' line='11147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_err'>
+        <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11147' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11147' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_increment_features' mangled-name='netdev_increment_features' filepath='net/core/dev.c' line='11011' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_increment_features'>
+        <parameter type-id='f9f4b16f' name='all' filepath='net/core/dev.c' line='11011' column='1'/>
+        <parameter type-id='f9f4b16f' name='one' filepath='net/core/dev.c' line='11012' column='1'/>
+        <parameter type-id='f9f4b16f' name='mask' filepath='net/core/dev.c' line='11012' column='1'/>
+        <return type-id='f9f4b16f'/>
+      </function-decl>
+      <function-decl name='netdev_info' mangled-name='netdev_info' filepath='net/core/dev.c' line='11150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_info'>
+        <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11150' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11150' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_lower_state_changed' mangled-name='netdev_lower_state_changed' filepath='net/core/dev.c' line='8250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_lower_state_changed'>
+        <parameter type-id='68a2d05b' name='lower_dev' filepath='net/core/dev.c' line='8250' column='1'/>
+        <parameter type-id='eaa32e2f' name='lower_state_info' filepath='net/core/dev.c' line='8251' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_master_upper_dev_link' mangled-name='netdev_master_upper_dev_link' filepath='net/core/dev.c' line='7945' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_master_upper_dev_link'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='7945' column='1'/>
+        <parameter type-id='68a2d05b' name='upper_dev' filepath='net/core/dev.c' line='7946' column='1'/>
+        <parameter type-id='eaa32e2f' name='upper_priv' filepath='net/core/dev.c' line='7947' column='1'/>
+        <parameter type-id='eaa32e2f' name='upper_info' filepath='net/core/dev.c' line='7947' column='1'/>
+        <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='7948' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netdev_notify_peers' mangled-name='netdev_notify_peers' filepath='net/core/dev.c' line='1501' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_notify_peers'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1501' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_pick_tx' mangled-name='netdev_pick_tx' filepath='net/core/dev.c' line='4021' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_pick_tx'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='4021' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4021' column='1'/>
+        <parameter type-id='68a2d05b' name='sb_dev' filepath='net/core/dev.c' line='4022' column='1'/>
+        <return type-id='1dc6a898'/>
+      </function-decl>
+      <function-decl name='netdev_rss_key_fill' mangled-name='netdev_rss_key_fill' filepath='net/ethtool/ioctl.c' line='1037' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_rss_key_fill'>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='net/ethtool/ioctl.c' line='1037' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/ethtool/ioctl.c' line='1037' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_rx_handler_register' mangled-name='netdev_rx_handler_register' filepath='net/core/dev.c' line='5085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_rx_handler_register'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='5085' column='1'/>
+        <parameter type-id='da1cb816' name='rx_handler' filepath='net/core/dev.c' line='5086' column='1'/>
+        <parameter type-id='eaa32e2f' name='rx_handler_data' filepath='net/core/dev.c' line='5087' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netdev_rx_handler_unregister' mangled-name='netdev_rx_handler_unregister' filepath='net/core/dev.c' line='5111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_rx_handler_unregister'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='5111' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_set_default_ethtool_ops' mangled-name='netdev_set_default_ethtool_ops' filepath='net/core/dev.c' line='10440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_set_default_ethtool_ops'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10440' column='1'/>
+        <parameter type-id='bdf901f8' name='ops' filepath='net/core/dev.c' line='10441' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_state_change' mangled-name='netdev_state_change' filepath='net/core/dev.c' line='1477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_state_change'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1477' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_update_features' mangled-name='netdev_update_features' filepath='net/core/dev.c' line='9754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_update_features'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9754' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_upper_dev_link' mangled-name='netdev_upper_dev_link' filepath='net/core/dev.c' line='7917' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_upper_dev_link'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='7917' column='1'/>
+        <parameter type-id='68a2d05b' name='upper_dev' filepath='net/core/dev.c' line='7918' column='1'/>
+        <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='7919' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netdev_upper_dev_unlink' mangled-name='netdev_upper_dev_unlink' filepath='net/core/dev.c' line='8000' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_upper_dev_unlink'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='8000' column='1'/>
+        <parameter type-id='68a2d05b' name='upper_dev' filepath='net/core/dev.c' line='8001' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netdev_warn' mangled-name='netdev_warn' filepath='net/core/dev.c' line='11148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_warn'>
+        <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11148' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11148' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_carrier_off' mangled-name='netif_carrier_off' filepath='net/sched/sch_generic.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_carrier_off'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/sched/sch_generic.c' line='532' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_carrier_on' mangled-name='netif_carrier_on' filepath='net/sched/sch_generic.c' line='513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_carrier_on'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/sched/sch_generic.c' line='513' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_device_attach' mangled-name='netif_device_attach' filepath='net/core/dev.c' line='3160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_device_attach'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3160' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_device_detach' mangled-name='netif_device_detach' filepath='net/core/dev.c' line='3145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_device_detach'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3145' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_napi_add' mangled-name='netif_napi_add' filepath='net/core/dev.c' line='6753' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_napi_add'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='6753' column='1'/>
+        <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='6753' column='1'/>
+        <parameter type-id='f07d90b4' name='poll' filepath='net/core/dev.c' line='6754' column='1'/>
+        <parameter type-id='95e97e5e' name='weight' filepath='net/core/dev.c' line='6754' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_receive_skb' mangled-name='netif_receive_skb' filepath='net/core/dev.c' line='5646' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_receive_skb'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='5646' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netif_receive_skb_list' mangled-name='netif_receive_skb_list' filepath='net/core/dev.c' line='5669' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_receive_skb_list'>
+        <parameter type-id='e84b031a' name='head' filepath='net/core/dev.c' line='5669' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_rx' mangled-name='netif_rx' filepath='net/core/dev.c' line='4858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_rx'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4858' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netif_rx_ni' mangled-name='netif_rx_ni' filepath='net/core/dev.c' line='4871' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_rx_ni'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4871' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netif_schedule_queue' mangled-name='netif_schedule_queue' filepath='net/core/dev.c' line='3080' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_schedule_queue'>
+        <parameter type-id='35b28c4f' name='txq' filepath='net/core/dev.c' line='3080' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_set_real_num_rx_queues' mangled-name='netif_set_real_num_rx_queues' filepath='net/core/dev.c' line='3015' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_set_real_num_rx_queues'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3015' column='1'/>
+        <parameter type-id='f0981eeb' name='rxq' filepath='net/core/dev.c' line='3015' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netif_set_real_num_tx_queues' mangled-name='netif_set_real_num_tx_queues' filepath='net/core/dev.c' line='2963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_set_real_num_tx_queues'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='2963' column='1'/>
+        <parameter type-id='f0981eeb' name='txq' filepath='net/core/dev.c' line='2963' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netif_set_xps_queue' mangled-name='netif_set_xps_queue' filepath='net/core/dev.c' line='2827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_set_xps_queue'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='2827' column='1'/>
+        <parameter type-id='5f8a1ac4' name='mask' filepath='net/core/dev.c' line='2827' column='1'/>
+        <parameter type-id='1dc6a898' name='index' filepath='net/core/dev.c' line='2828' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netif_stacked_transfer_operstate' mangled-name='netif_stacked_transfer_operstate' filepath='net/core/dev.c' line='9787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_stacked_transfer_operstate'>
+        <parameter type-id='2ce52478' name='rootdev' filepath='net/core/dev.c' line='9787' column='1'/>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9788' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_tx_stop_all_queues' mangled-name='netif_tx_stop_all_queues' filepath='net/core/dev.c' line='9895' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_tx_stop_all_queues'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9895' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netif_tx_wake_queue' mangled-name='netif_tx_wake_queue' filepath='net/core/dev.c' line='3092' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_tx_wake_queue'>
+        <parameter type-id='35b28c4f' name='dev_queue' filepath='net/core/dev.c' line='3092' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netlink_broadcast' mangled-name='netlink_broadcast' filepath='net/netlink/af_netlink.c' line='1551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_broadcast'>
+        <parameter type-id='f772df6d' name='ssk' filepath='net/netlink/af_netlink.c' line='1551' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/af_netlink.c' line='1551' column='1'/>
+        <parameter type-id='19c2251e' name='portid' filepath='net/netlink/af_netlink.c' line='1551' column='1'/>
+        <parameter type-id='19c2251e' name='group' filepath='net/netlink/af_netlink.c' line='1552' column='1'/>
+        <parameter type-id='3eb7c31c' name='allocation' filepath='net/netlink/af_netlink.c' line='1552' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netlink_has_listeners' mangled-name='netlink_has_listeners' filepath='net/netlink/af_netlink.c' line='1367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_has_listeners'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/netlink/af_netlink.c' line='1367' column='1'/>
+        <parameter type-id='f0981eeb' name='group' filepath='net/netlink/af_netlink.c' line='1367' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netlink_kernel_release' mangled-name='netlink_kernel_release' filepath='net/netlink/af_netlink.c' line='2098' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_kernel_release'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/netlink/af_netlink.c' line='2098' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='netlink_register_notifier' mangled-name='netlink_register_notifier' filepath='net/netlink/af_netlink.c' line='2737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_register_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/netlink/af_netlink.c' line='2737' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netlink_unicast' mangled-name='netlink_unicast' filepath='net/netlink/af_netlink.c' line='1331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_unicast'>
+        <parameter type-id='f772df6d' name='ssk' filepath='net/netlink/af_netlink.c' line='1331' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/af_netlink.c' line='1331' column='1'/>
+        <parameter type-id='19c2251e' name='portid' filepath='net/netlink/af_netlink.c' line='1332' column='1'/>
+        <parameter type-id='95e97e5e' name='nonblock' filepath='net/netlink/af_netlink.c' line='1332' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='netlink_unregister_notifier' mangled-name='netlink_unregister_notifier' filepath='net/netlink/af_netlink.c' line='2743' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_unregister_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/netlink/af_netlink.c' line='2743' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='new_inode' mangled-name='new_inode' filepath='fs/inode.c' line='952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='new_inode'>
+        <parameter type-id='42c8f564' name='sb' filepath='fs/inode.c' line='952' column='1'/>
+        <return type-id='7e666abe'/>
+      </function-decl>
+      <function-decl name='nf_conntrack_destroy' mangled-name='nf_conntrack_destroy' filepath='net/netfilter/core.c' line='665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_conntrack_destroy'>
+        <parameter type-id='96b07343' name='nfct' filepath='net/netfilter/core.c' line='665' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='nf_register_net_hooks' mangled-name='nf_register_net_hooks' filepath='net/netfilter/core.c' line='545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_register_net_hooks'>
+        <parameter type-id='a2bff676' name='net' filepath='net/netfilter/core.c' line='545' column='1'/>
+        <parameter type-id='27db53a1' name='reg' filepath='net/netfilter/core.c' line='545' column='1'/>
+        <parameter type-id='f0981eeb' name='n' filepath='net/netfilter/core.c' line='546' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='nf_unregister_net_hooks' mangled-name='nf_unregister_net_hooks' filepath='net/netfilter/core.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_unregister_net_hooks'>
+        <parameter type-id='a2bff676' name='net' filepath='net/netfilter/core.c' line='565' column='1'/>
+        <parameter type-id='27db53a1' name='reg' filepath='net/netfilter/core.c' line='565' column='1'/>
+        <parameter type-id='f0981eeb' name='hookcount' filepath='net/netfilter/core.c' line='566' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='nla_append' mangled-name='nla_append' filepath='lib/nlattr.c' line='1104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_append'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1104' column='1'/>
+        <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1104' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1104' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='nla_memcpy' mangled-name='nla_memcpy' filepath='lib/nlattr.c' line='780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_memcpy'>
+        <parameter type-id='eaa32e2f' name='dest' filepath='lib/nlattr.c' line='780' column='1'/>
+        <parameter type-id='0f2a7ce5' name='src' filepath='lib/nlattr.c' line='780' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='lib/nlattr.c' line='780' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='nla_put' mangled-name='nla_put' filepath='lib/nlattr.c' line='1038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_put'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1038' column='1'/>
+        <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='1038' column='1'/>
+        <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1038' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1038' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='nla_put_64bit' mangled-name='nla_put_64bit' filepath='lib/nlattr.c' line='1059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_put_64bit'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1059' column='1'/>
+        <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='1059' column='1'/>
+        <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1059' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1060' column='1'/>
+        <parameter type-id='95e97e5e' name='padattr' filepath='lib/nlattr.c' line='1060' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='nla_put_nohdr' mangled-name='nla_put_nohdr' filepath='lib/nlattr.c' line='1085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_put_nohdr'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1085' column='1'/>
+        <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1085' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1085' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='nla_reserve' mangled-name='nla_reserve' filepath='lib/nlattr.c' line='911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_reserve'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='911' column='1'/>
+        <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='911' column='1'/>
+        <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='911' column='1'/>
+        <return type-id='6fcaf91e'/>
+      </function-decl>
+      <function-decl name='nla_strlcpy' mangled-name='nla_strlcpy' filepath='lib/nlattr.c' line='726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_strlcpy'>
+        <parameter type-id='26a90f95' name='dst' filepath='lib/nlattr.c' line='726' column='1'/>
+        <parameter type-id='0f2a7ce5' name='nla' filepath='lib/nlattr.c' line='726' column='1'/>
+        <parameter type-id='b59d7dce' name='dstsize' filepath='lib/nlattr.c' line='726' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='no_llseek' mangled-name='no_llseek' filepath='fs/read_write.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='no_llseek'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='230' column='1'/>
+        <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='230' column='1'/>
+        <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='230' column='1'/>
+        <return type-id='69bf7bee'/>
+      </function-decl>
+      <function-decl name='no_seek_end_llseek' mangled-name='no_seek_end_llseek' filepath='fs/read_write.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='no_seek_end_llseek'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='181' column='1'/>
+        <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='181' column='1'/>
+        <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='181' column='1'/>
+        <return type-id='69bf7bee'/>
+      </function-decl>
+      <function-decl name='nonseekable_open' mangled-name='nonseekable_open' filepath='fs/open.c' line='1407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nonseekable_open'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/open.c' line='1407' column='1'/>
+        <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='1407' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='noop_llseek' mangled-name='noop_llseek' filepath='fs/read_write.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='noop_llseek'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='224' column='1'/>
+        <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='224' column='1'/>
+        <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='224' column='1'/>
+        <return type-id='69bf7bee'/>
+      </function-decl>
+      <var-decl name='nr_cpu_ids' type-id='f0981eeb' mangled-name='nr_cpu_ids' visibility='default' filepath='kernel/smp.c' line='796' column='1' elf-symbol-id='nr_cpu_ids'/>
+      <var-decl name='nr_irqs' type-id='95e97e5e' mangled-name='nr_irqs' visibility='default' filepath='kernel/irq/irqdesc.c' line='130' column='1' elf-symbol-id='nr_irqs'/>
+      <function-decl name='ns_capable' mangled-name='ns_capable' filepath='kernel/capability.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ns_capable'>
+        <parameter type-id='c0ced320' name='ns' filepath='kernel/capability.c' line='394' column='1'/>
+        <parameter type-id='95e97e5e' name='cap' filepath='kernel/capability.c' line='394' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ns_capable_noaudit' mangled-name='ns_capable_noaudit' filepath='kernel/capability.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ns_capable_noaudit'>
+        <parameter type-id='c0ced320' name='ns' filepath='kernel/capability.c' line='412' column='1'/>
+        <parameter type-id='95e97e5e' name='cap' filepath='kernel/capability.c' line='412' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ns_to_kernel_old_timeval' mangled-name='ns_to_kernel_old_timeval' filepath='kernel/time/time.c' line='452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ns_to_kernel_old_timeval'>
+        <parameter type-id='d238557f' name='nsec' filepath='kernel/time/time.c' line='452' column='1'/>
+        <return type-id='4595b96b'/>
+      </function-decl>
+      <function-decl name='ns_to_timespec64' mangled-name='ns_to_timespec64' filepath='kernel/time/time.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ns_to_timespec64'>
+        <parameter type-id='d238557f' name='nsec' filepath='kernel/time/time.c' line='506' column='1'/>
+        <return type-id='40a816ad'/>
+      </function-decl>
+      <function-decl name='nsec_to_clock_t' mangled-name='nsec_to_clock_t' filepath='kernel/time/time.c' line='674' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nsec_to_clock_t'>
+        <parameter type-id='91ce1af9' name='x' filepath='kernel/time/time.c' line='674' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='nsecs_to_jiffies' mangled-name='nsecs_to_jiffies' filepath='kernel/time/time.c' line='755' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nsecs_to_jiffies'>
+        <parameter type-id='91ce1af9' name='n' filepath='kernel/time/time.c' line='755' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='nvdimm_bus_register' mangled-name='nvdimm_bus_register' filepath='drivers/nvdimm/bus.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvdimm_bus_register'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/nvdimm/bus.c' line='342' column='1'/>
+        <parameter type-id='0e23c133' name='nd_desc' filepath='drivers/nvdimm/bus.c' line='343' column='1'/>
+        <return type-id='c7ee6915'/>
+      </function-decl>
+      <function-decl name='nvdimm_bus_unregister' mangled-name='nvdimm_bus_unregister' filepath='drivers/nvdimm/bus.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvdimm_bus_unregister'>
+        <parameter type-id='c7ee6915' name='nvdimm_bus' filepath='drivers/nvdimm/bus.c' line='381' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='nvdimm_pmem_region_create' mangled-name='nvdimm_pmem_region_create' filepath='drivers/nvdimm/region_devs.c' line='1153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvdimm_pmem_region_create'>
+        <parameter type-id='c7ee6915' name='nvdimm_bus' filepath='drivers/nvdimm/region_devs.c' line='1153' column='1'/>
+        <parameter type-id='22ab35e2' name='ndr_desc' filepath='drivers/nvdimm/region_devs.c' line='1154' column='1'/>
+        <return type-id='14dc741a'/>
+      </function-decl>
+      <function-decl name='nvhe_hyp_panic_handler' mangled-name='nvhe_hyp_panic_handler' filepath='arch/arm64/kvm/handle_exit.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvhe_hyp_panic_handler'>
+        <parameter type-id='91ce1af9' name='esr' filepath='arch/arm64/kvm/handle_exit.c' line='311' column='1'/>
+        <parameter type-id='91ce1af9' name='spsr' filepath='arch/arm64/kvm/handle_exit.c' line='311' column='1'/>
+        <parameter type-id='91ce1af9' name='elr_virt' filepath='arch/arm64/kvm/handle_exit.c' line='312' column='1'/>
+        <parameter type-id='91ce1af9' name='elr_phys' filepath='arch/arm64/kvm/handle_exit.c' line='312' column='1'/>
+        <parameter type-id='91ce1af9' name='par' filepath='arch/arm64/kvm/handle_exit.c' line='313' column='1'/>
+        <parameter type-id='e475ab95' name='vcpu' filepath='arch/arm64/kvm/handle_exit.c' line='313' column='1'/>
+        <parameter type-id='91ce1af9' name='far' filepath='arch/arm64/kvm/handle_exit.c' line='314' column='1'/>
+        <parameter type-id='91ce1af9' name='hpfar' filepath='arch/arm64/kvm/handle_exit.c' line='314' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='nvmem_cell_get' mangled-name='nvmem_cell_get' filepath='drivers/nvmem/core.c' line='1117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='1117' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='1117' column='1'/>
+        <return type-id='4a4ce85f'/>
+      </function-decl>
+      <function-decl name='nvmem_cell_put' mangled-name='nvmem_cell_put' filepath='drivers/nvmem/core.c' line='1203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_put'>
+        <parameter type-id='4a4ce85f' name='cell' filepath='drivers/nvmem/core.c' line='1203' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='nvmem_cell_read' mangled-name='nvmem_cell_read' filepath='drivers/nvmem/core.c' line='1275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_read'>
+        <parameter type-id='4a4ce85f' name='cell' filepath='drivers/nvmem/core.c' line='1275' column='1'/>
+        <parameter type-id='78c01427' name='len' filepath='drivers/nvmem/core.c' line='1275' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='nvmem_device_put' mangled-name='nvmem_device_put' filepath='drivers/nvmem/core.c' line='963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_device_put'>
+        <parameter type-id='8179bc49' name='nvmem' filepath='drivers/nvmem/core.c' line='963' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='nvmem_device_read' mangled-name='nvmem_device_read' filepath='drivers/nvmem/core.c' line='1545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_device_read'>
+        <parameter type-id='8179bc49' name='nvmem' filepath='drivers/nvmem/core.c' line='1545' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/nvmem/core.c' line='1546' column='1'/>
+        <parameter type-id='b59d7dce' name='bytes' filepath='drivers/nvmem/core.c' line='1547' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='drivers/nvmem/core.c' line='1547' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='nvmem_device_write' mangled-name='nvmem_device_write' filepath='drivers/nvmem/core.c' line='1573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_device_write'>
+        <parameter type-id='8179bc49' name='nvmem' filepath='drivers/nvmem/core.c' line='1573' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='drivers/nvmem/core.c' line='1574' column='1'/>
+        <parameter type-id='b59d7dce' name='bytes' filepath='drivers/nvmem/core.c' line='1575' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='drivers/nvmem/core.c' line='1575' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_add_property' mangled-name='of_add_property' filepath='drivers/of/base.c' line='1808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_add_property'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='1808' column='1'/>
+        <parameter type-id='ddcd89c6' name='prop' filepath='drivers/of/base.c' line='1808' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_address_to_resource' mangled-name='of_address_to_resource' filepath='drivers/of/address.c' line='866' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_address_to_resource'>
+        <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/address.c' line='866' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/address.c' line='866' column='1'/>
+        <parameter type-id='c9d64c0d' name='r' filepath='drivers/of/address.c' line='867' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_alias_get_id' mangled-name='of_alias_get_id' filepath='drivers/of/base.c' line='2039' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_alias_get_id'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='2039' column='1'/>
+        <parameter type-id='80f4b756' name='stem' filepath='drivers/of/base.c' line='2039' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_clk_add_hw_provider' mangled-name='of_clk_add_hw_provider' filepath='drivers/clk/clk.c' line='4698' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_add_hw_provider'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4698' column='1'/>
+        <parameter type-id='a5186342' name='get' filepath='drivers/clk/clk.c' line='4699' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4701' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_clk_add_provider' mangled-name='of_clk_add_provider' filepath='drivers/clk/clk.c' line='4656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_add_provider'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4656' column='1'/>
+        <parameter type-id='f1c652ac' name='clk_src_get' filepath='drivers/clk/clk.c' line='4657' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4659' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_clk_del_provider' mangled-name='of_clk_del_provider' filepath='drivers/clk/clk.c' line='4800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_del_provider'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4800' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='of_clk_get' mangled-name='of_clk_get' filepath='drivers/clk/clk.c' line='5000' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='5000' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/clk/clk.c' line='5000' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='of_clk_get_by_name' mangled-name='of_clk_get_by_name' filepath='drivers/clk/clk.c' line='5015' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get_by_name'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='5015' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk.c' line='5015' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='of_clk_get_parent_count' mangled-name='of_clk_get_parent_count' filepath='drivers/clk/clk.c' line='5030' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get_parent_count'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/clk/clk.c' line='5030' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='of_clk_get_parent_name' mangled-name='of_clk_get_parent_name' filepath='drivers/clk/clk.c' line='5042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get_parent_name'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/clk/clk.c' line='5042' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/clk/clk.c' line='5042' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='of_clk_hw_onecell_get' mangled-name='of_clk_hw_onecell_get' filepath='drivers/clk/clk.c' line='4634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_hw_onecell_get'>
+        <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4634' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4634' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='of_clk_hw_simple_get' mangled-name='of_clk_hw_simple_get' filepath='drivers/clk/clk.c' line='4613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_hw_simple_get'>
+        <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4613' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4613' column='1'/>
+        <return type-id='3aaeef89'/>
+      </function-decl>
+      <function-decl name='of_clk_parent_fill' mangled-name='of_clk_parent_fill' filepath='drivers/clk/clk.c' line='5111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_parent_fill'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='5111' column='1'/>
+        <parameter type-id='7d3cd834' name='parents' filepath='drivers/clk/clk.c' line='5111' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='drivers/clk/clk.c' line='5112' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_clk_set_defaults' mangled-name='of_clk_set_defaults' filepath='drivers/clk/clk-conf.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_set_defaults'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/clk/clk-conf.c' line='139' column='1'/>
+        <parameter type-id='b50a4934' name='clk_supplier' filepath='drivers/clk/clk-conf.c' line='139' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_clk_src_onecell_get' mangled-name='of_clk_src_onecell_get' filepath='drivers/clk/clk.c' line='4619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_src_onecell_get'>
+        <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4619' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4619' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='of_clk_src_simple_get' mangled-name='of_clk_src_simple_get' filepath='drivers/clk/clk.c' line='4606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_src_simple_get'>
+        <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4606' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4607' column='1'/>
+        <return type-id='7d0bc0eb'/>
+      </function-decl>
+      <function-decl name='of_count_phandle_with_args' mangled-name='of_count_phandle_with_args' filepath='drivers/of/base.c' line='1743' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_count_phandle_with_args'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1743' column='1'/>
+        <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1743' column='1'/>
+        <parameter type-id='80f4b756' name='cells_name' filepath='drivers/of/base.c' line='1744' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_cpu_node_to_id' mangled-name='of_cpu_node_to_id' filepath='drivers/of/base.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_cpu_node_to_id'>
+        <parameter type-id='9a537bbe' name='cpu_node' filepath='drivers/of/base.c' line='400' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_devfreq_cooling_register_power' mangled-name='of_devfreq_cooling_register_power' filepath='drivers/thermal/devfreq_cooling.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_devfreq_cooling_register_power'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/thermal/devfreq_cooling.c' line='460' column='1'/>
+        <parameter type-id='f66fa7f4' name='df' filepath='drivers/thermal/devfreq_cooling.c' line='460' column='1'/>
+        <parameter type-id='0b660ebe' name='dfc_power' filepath='drivers/thermal/devfreq_cooling.c' line='461' column='1'/>
+        <return type-id='2feec21f'/>
+      </function-decl>
+      <function-decl name='of_device_alloc' mangled-name='of_device_alloc' filepath='drivers/of/platform.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_alloc'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/platform.c' line='107' column='1'/>
+        <parameter type-id='80f4b756' name='bus_id' filepath='drivers/of/platform.c' line='108' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/of/platform.c' line='109' column='1'/>
+        <return type-id='db362995'/>
+      </function-decl>
+      <function-decl name='of_device_get_match_data' mangled-name='of_device_get_match_data' filepath='drivers/of/device.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_get_match_data'>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/of/device.c' line='253' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='of_device_is_available' mangled-name='of_device_is_available' filepath='drivers/of/base.c' line='617' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_is_available'>
+        <parameter type-id='0afa6ea3' name='device' filepath='drivers/of/base.c' line='617' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='of_device_is_big_endian' mangled-name='of_device_is_big_endian' filepath='drivers/of/base.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_is_big_endian'>
+        <parameter type-id='0afa6ea3' name='device' filepath='drivers/of/base.c' line='642' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='of_device_is_compatible' mangled-name='of_device_is_compatible' filepath='drivers/of/base.c' line='525' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_is_compatible'>
+        <parameter type-id='0afa6ea3' name='device' filepath='drivers/of/base.c' line='525' column='1'/>
+        <parameter type-id='80f4b756' name='compat' filepath='drivers/of/base.c' line='526' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_device_modalias' mangled-name='of_device_modalias' filepath='drivers/of/device.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_modalias'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='333' column='1'/>
+        <parameter type-id='26a90f95' name='str' filepath='drivers/of/device.c' line='333' column='1'/>
+        <parameter type-id='79a0948f' name='len' filepath='drivers/of/device.c' line='333' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='of_device_request_module' mangled-name='of_device_request_module' filepath='drivers/of/device.c' line='304' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_request_module'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='304' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_device_uevent_modalias' mangled-name='of_device_uevent_modalias' filepath='drivers/of/device.c' line='387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_uevent_modalias'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='387' column='1'/>
+        <parameter type-id='d9d65b21' name='env' filepath='drivers/of/device.c' line='387' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_dma_configure_id' mangled-name='of_dma_configure_id' filepath='drivers/of/device.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_configure_id'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='135' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/device.c' line='135' column='1'/>
+        <parameter type-id='b50a4934' name='force_dma' filepath='drivers/of/device.c' line='136' column='1'/>
+        <parameter type-id='aded214c' name='id' filepath='drivers/of/device.c' line='136' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_dma_controller_free' mangled-name='of_dma_controller_free' filepath='drivers/dma/of-dma.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_controller_free'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/dma/of-dma.c' line='143' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='of_dma_controller_register' mangled-name='of_dma_controller_register' filepath='drivers/dma/of-dma.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_controller_register'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/dma/of-dma.c' line='108' column='1'/>
+        <parameter type-id='04d80927' name='of_dma_xlate' filepath='drivers/dma/of-dma.c' line='109' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/dma/of-dma.c' line='111' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_dma_is_coherent' mangled-name='of_dma_is_coherent' filepath='drivers/of/address.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_is_coherent'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/address.c' line='1086' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='of_drm_find_bridge' mangled-name='of_drm_find_bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='1209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_drm_find_bridge'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/gpu/drm/drm_bridge.c' line='1209' column='1'/>
+        <return type-id='8582e5ec'/>
+      </function-decl>
+      <function-decl name='of_drm_find_panel' mangled-name='of_drm_find_panel' filepath='drivers/gpu/drm/drm_panel.c' line='243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_drm_find_panel'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/gpu/drm/drm_panel.c' line='243' column='1'/>
+        <return type-id='c5491077'/>
+      </function-decl>
+      <function-decl name='of_drm_get_panel_orientation' mangled-name='of_drm_get_panel_orientation' filepath='drivers/gpu/drm/drm_panel.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_drm_get_panel_orientation'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/gpu/drm/drm_panel.c' line='277' column='1'/>
+        <parameter type-id='83de9118' name='orientation' filepath='drivers/gpu/drm/drm_panel.c' line='278' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_find_backlight_by_node' mangled-name='of_find_backlight_by_node' filepath='drivers/video/backlight/backlight.c' line='665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_backlight_by_node'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/video/backlight/backlight.c' line='665' column='1'/>
+        <return type-id='7a76d041'/>
+      </function-decl>
+      <function-decl name='of_find_compatible_node' mangled-name='of_find_compatible_node' filepath='drivers/of/base.c' line='1029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_compatible_node'>
+        <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='1029' column='1'/>
+        <parameter type-id='80f4b756' name='type' filepath='drivers/of/base.c' line='1030' column='1'/>
+        <parameter type-id='80f4b756' name='compatible' filepath='drivers/of/base.c' line='1030' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_find_device_by_node' mangled-name='of_find_device_by_node' filepath='drivers/of/platform.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_device_by_node'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/platform.c' line='49' column='1'/>
+        <return type-id='db362995'/>
+      </function-decl>
+      <function-decl name='of_find_i2c_adapter_by_node' mangled-name='of_find_i2c_adapter_by_node' filepath='drivers/i2c/i2c-core-of.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_i2c_adapter_by_node'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/i2c/i2c-core-of.c' line='149' column='1'/>
+        <return type-id='b9af02c3'/>
+      </function-decl>
+      <function-decl name='of_find_i2c_device_by_node' mangled-name='of_find_i2c_device_by_node' filepath='drivers/i2c/i2c-core-of.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_i2c_device_by_node'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/i2c/i2c-core-of.c' line='131' column='1'/>
+        <return type-id='3e31633b'/>
+      </function-decl>
+      <function-decl name='of_find_matching_node_and_match' mangled-name='of_find_matching_node_and_match' filepath='drivers/of/base.c' line='1136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_matching_node_and_match'>
+        <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='1136' column='1'/>
+        <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/base.c' line='1137' column='1'/>
+        <parameter type-id='77e5615c' name='match' filepath='drivers/of/base.c' line='1138' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_find_mipi_dsi_host_by_node' mangled-name='of_find_mipi_dsi_host_by_node' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_mipi_dsi_host_by_node'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='262' column='1'/>
+        <return type-id='c149fe34'/>
+      </function-decl>
+      <function-decl name='of_find_node_by_name' mangled-name='of_find_node_by_name' filepath='drivers/of/base.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_by_name'>
+        <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='971' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='972' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_find_node_by_phandle' mangled-name='of_find_node_by_phandle' filepath='drivers/of/base.c' line='1196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_by_phandle'>
+        <parameter type-id='6e394fba' name='handle' filepath='drivers/of/base.c' line='1196' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_find_node_by_type' mangled-name='of_find_node_by_type' filepath='drivers/of/base.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_by_type'>
+        <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='999' column='1'/>
+        <parameter type-id='80f4b756' name='type' filepath='drivers/of/base.c' line='1000' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_find_node_opts_by_path' mangled-name='of_find_node_opts_by_path' filepath='drivers/of/base.c' line='913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_opts_by_path'>
+        <parameter type-id='80f4b756' name='path' filepath='drivers/of/base.c' line='913' column='1'/>
+        <parameter type-id='7d3cd834' name='opts' filepath='drivers/of/base.c' line='913' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_find_node_with_property' mangled-name='of_find_node_with_property' filepath='drivers/of/base.c' line='1058' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_with_property'>
+        <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='1058' column='1'/>
+        <parameter type-id='80f4b756' name='prop_name' filepath='drivers/of/base.c' line='1059' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_find_property' mangled-name='of_find_property' filepath='drivers/of/base.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_property'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='210' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='211' column='1'/>
+        <parameter type-id='7292109c' name='lenp' filepath='drivers/of/base.c' line='212' column='1'/>
+        <return type-id='ddcd89c6'/>
+      </function-decl>
+      <var-decl name='of_fwnode_ops' type-id='2eb8da02' mangled-name='of_fwnode_ops' visibility='default' filepath='drivers/of/property.c' line='1438' column='1' elf-symbol-id='of_fwnode_ops'/>
+      <function-decl name='of_genpd_add_provider_onecell' mangled-name='of_genpd_add_provider_onecell' filepath='drivers/base/power/domain.c' line='2284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_add_provider_onecell'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/base/power/domain.c' line='2284' column='1'/>
+        <parameter type-id='29f0ac2f' name='data' filepath='drivers/base/power/domain.c' line='2285' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_genpd_add_provider_simple' mangled-name='of_genpd_add_provider_simple' filepath='drivers/base/power/domain.c' line='2226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_add_provider_simple'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/base/power/domain.c' line='2226' column='1'/>
+        <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='2227' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_genpd_del_provider' mangled-name='of_genpd_del_provider' filepath='drivers/base/power/domain.c' line='2365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_del_provider'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/base/power/domain.c' line='2365' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='of_get_address' mangled-name='of_get_address' filepath='drivers/of/address.c' line='674' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_address'>
+        <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/address.c' line='674' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/address.c' line='674' column='1'/>
+        <parameter type-id='3df9fd28' name='size' filepath='drivers/of/address.c' line='674' column='1'/>
+        <parameter type-id='807869d3' name='flags' filepath='drivers/of/address.c' line='675' column='1'/>
+        <return type-id='90144368'/>
+      </function-decl>
+      <function-decl name='of_get_child_by_name' mangled-name='of_get_child_by_name' filepath='drivers/of/base.c' line='847' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_child_by_name'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='847' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='848' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_get_compatible_child' mangled-name='of_get_compatible_child' filepath='drivers/of/base.c' line='822' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_compatible_child'>
+        <parameter type-id='0afa6ea3' name='parent' filepath='drivers/of/base.c' line='822' column='1'/>
+        <parameter type-id='80f4b756' name='compatible' filepath='drivers/of/base.c' line='823' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_get_cpu_node' mangled-name='of_get_cpu_node' filepath='drivers/of/base.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_cpu_node'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='drivers/of/base.c' line='380' column='1'/>
+        <parameter type-id='807869d3' name='thread' filepath='drivers/of/base.c' line='380' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_get_display_timing' mangled-name='of_get_display_timing' filepath='drivers/video/of_display_timing.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_display_timing'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/video/of_display_timing.c' line='118' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/video/of_display_timing.c' line='118' column='1'/>
+        <parameter type-id='a569b9de' name='dt' filepath='drivers/video/of_display_timing.c' line='119' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_get_display_timings' mangled-name='of_get_display_timings' filepath='drivers/video/of_display_timing.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_display_timings'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/video/of_display_timing.c' line='143' column='1'/>
+        <return type-id='32e774d9'/>
+      </function-decl>
+      <function-decl name='of_get_dma_window' mangled-name='of_get_dma_window' filepath='drivers/iommu/of_iommu.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_dma_window'>
+        <parameter type-id='9a537bbe' name='dn' filepath='drivers/iommu/of_iommu.c' line='36' column='1'/>
+        <parameter type-id='80f4b756' name='prefix' filepath='drivers/iommu/of_iommu.c' line='36' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/iommu/of_iommu.c' line='36' column='1'/>
+        <parameter type-id='1d2c2b85' name='busno' filepath='drivers/iommu/of_iommu.c' line='37' column='1'/>
+        <parameter type-id='e835b5d8' name='addr' filepath='drivers/iommu/of_iommu.c' line='37' column='1'/>
+        <parameter type-id='78c01427' name='size' filepath='drivers/iommu/of_iommu.c' line='37' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_get_drm_display_mode' mangled-name='of_get_drm_display_mode' filepath='drivers/gpu/drm/drm_modes.c' line='708' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_drm_display_mode'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/gpu/drm/drm_modes.c' line='708' column='1'/>
+        <parameter type-id='11e02f83' name='dmode' filepath='drivers/gpu/drm/drm_modes.c' line='709' column='1'/>
+        <parameter type-id='f9409001' name='bus_flags' filepath='drivers/gpu/drm/drm_modes.c' line='709' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/gpu/drm/drm_modes.c' line='710' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_get_i2c_adapter_by_node' mangled-name='of_get_i2c_adapter_by_node' filepath='drivers/i2c/i2c-core-of.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_i2c_adapter_by_node'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/i2c/i2c-core-of.c' line='168' column='1'/>
+        <return type-id='b9af02c3'/>
+      </function-decl>
+      <function-decl name='of_get_mac_address' mangled-name='of_get_mac_address' filepath='drivers/of/of_net.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_mac_address'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_net.c' line='103' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='of_get_named_gpio_flags' mangled-name='of_get_named_gpio_flags' filepath='drivers/gpio/gpiolib-of.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_named_gpio_flags'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/gpio/gpiolib-of.c' line='278' column='1'/>
+        <parameter type-id='80f4b756' name='list_name' filepath='drivers/gpio/gpiolib-of.c' line='278' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/gpio/gpiolib-of.c' line='279' column='1'/>
+        <parameter type-id='38fe9344' name='flags' filepath='drivers/gpio/gpiolib-of.c' line='279' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_get_next_available_child' mangled-name='of_get_next_available_child' filepath='drivers/of/base.c' line='751' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_next_available_child'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='751' column='1'/>
+        <parameter type-id='9a537bbe' name='prev' filepath='drivers/of/base.c' line='752' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_get_next_child' mangled-name='of_get_next_child' filepath='drivers/of/base.c' line='730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_next_child'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='730' column='1'/>
+        <parameter type-id='9a537bbe' name='prev' filepath='drivers/of/base.c' line='731' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_get_next_parent' mangled-name='of_get_next_parent' filepath='drivers/of/base.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_next_parent'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/of/base.c' line='686' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_get_parent' mangled-name='of_get_parent' filepath='drivers/of/base.c' line='660' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_parent'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='660' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_get_phy_mode' mangled-name='of_get_phy_mode' filepath='drivers/of/of_net.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_phy_mode'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_net.c' line='25' column='1'/>
+        <parameter type-id='14061e47' name='interface' filepath='drivers/of/of_net.c' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_get_property' mangled-name='of_get_property' filepath='drivers/of/base.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_property'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='280' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='280' column='1'/>
+        <parameter type-id='7292109c' name='lenp' filepath='drivers/of/base.c' line='281' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='of_get_regulator_init_data' mangled-name='of_get_regulator_init_data' filepath='drivers/regulator/of_regulator.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_regulator_init_data'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/of_regulator.c' line='277' column='1'/>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/regulator/of_regulator.c' line='278' column='1'/>
+        <parameter type-id='5629bd41' name='desc' filepath='drivers/regulator/of_regulator.c' line='279' column='1'/>
+        <return type-id='d287fe92'/>
+      </function-decl>
+      <function-decl name='of_get_videomode' mangled-name='of_get_videomode' filepath='drivers/video/of_videomode.c' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_videomode'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/video/of_videomode.c' line='30' column='1'/>
+        <parameter type-id='83e7c23f' name='vm' filepath='drivers/video/of_videomode.c' line='30' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/video/of_videomode.c' line='31' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_graph_get_endpoint_by_regs' mangled-name='of_graph_get_endpoint_by_regs' filepath='drivers/of/property.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_endpoint_by_regs'>
+        <parameter type-id='0afa6ea3' name='parent' filepath='drivers/of/property.c' line='708' column='1'/>
+        <parameter type-id='95e97e5e' name='port_reg' filepath='drivers/of/property.c' line='708' column='1'/>
+        <parameter type-id='95e97e5e' name='reg' filepath='drivers/of/property.c' line='708' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_get_next_endpoint' mangled-name='of_graph_get_next_endpoint' filepath='drivers/of/property.c' line='638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_next_endpoint'>
+        <parameter type-id='0afa6ea3' name='parent' filepath='drivers/of/property.c' line='638' column='1'/>
+        <parameter type-id='9a537bbe' name='prev' filepath='drivers/of/property.c' line='639' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_get_port_by_id' mangled-name='of_graph_get_port_by_id' filepath='drivers/of/property.c' line='606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_port_by_id'>
+        <parameter type-id='9a537bbe' name='parent' filepath='drivers/of/property.c' line='606' column='1'/>
+        <parameter type-id='19c2251e' name='id' filepath='drivers/of/property.c' line='606' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_get_port_parent' mangled-name='of_graph_get_port_parent' filepath='drivers/of/property.c' line='745' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_port_parent'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/of/property.c' line='745' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_get_remote_endpoint' mangled-name='of_graph_get_remote_endpoint' filepath='drivers/of/property.c' line='731' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_endpoint'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='731' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_get_remote_node' mangled-name='of_graph_get_remote_node' filepath='drivers/of/property.c' line='831' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_node'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='831' column='1'/>
+        <parameter type-id='19c2251e' name='port' filepath='drivers/of/property.c' line='832' column='1'/>
+        <parameter type-id='19c2251e' name='endpoint' filepath='drivers/of/property.c' line='832' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_get_remote_port' mangled-name='of_graph_get_remote_port' filepath='drivers/of/property.c' line='798' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_port'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='798' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_get_remote_port_parent' mangled-name='of_graph_get_remote_port_parent' filepath='drivers/of/property.c' line='775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_port_parent'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='776' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_graph_is_present' mangled-name='of_graph_is_present' filepath='drivers/of/property.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_is_present'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='40' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='of_graph_parse_endpoint' mangled-name='of_graph_parse_endpoint' filepath='drivers/of/property.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_parse_endpoint'>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='574' column='1'/>
+        <parameter type-id='a5eb3c12' name='endpoint' filepath='drivers/of/property.c' line='575' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_hwspin_lock_get_id' mangled-name='of_hwspin_lock_get_id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_hwspin_lock_get_id'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/hwspinlock/hwspinlock_core.c' line='339' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/hwspinlock/hwspinlock_core.c' line='339' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_icc_get' mangled-name='of_icc_get' filepath='drivers/interconnect/core.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_icc_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/interconnect/core.c' line='533' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/interconnect/core.c' line='533' column='1'/>
+        <return type-id='b5fdec5e'/>
+      </function-decl>
+      <function-decl name='of_icc_xlate_onecell' mangled-name='of_icc_xlate_onecell' filepath='drivers/interconnect/core.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_icc_xlate_onecell'>
+        <parameter type-id='51a94113' name='spec' filepath='drivers/interconnect/core.c' line='331' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/interconnect/core.c' line='332' column='1'/>
+        <return type-id='18d76f87'/>
+      </function-decl>
+      <function-decl name='of_iomap' mangled-name='of_iomap' filepath='drivers/of/address.c' line='892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_iomap'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/address.c' line='892' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/address.c' line='892' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='of_irq_find_parent' mangled-name='of_irq_find_parent' filepath='drivers/of/irq.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_find_parent'>
+        <parameter type-id='9a537bbe' name='child' filepath='drivers/of/irq.c' line='54' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_irq_get' mangled-name='of_irq_get' filepath='drivers/of/irq.c' line='387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_get'>
+        <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/irq.c' line='387' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/irq.c' line='387' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_irq_get_byname' mangled-name='of_irq_get_byname' filepath='drivers/of/irq.c' line='414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_get_byname'>
+        <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/irq.c' line='414' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/of/irq.c' line='414' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_irq_parse_one' mangled-name='of_irq_parse_one' filepath='drivers/of/irq.c' line='286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_parse_one'>
+        <parameter type-id='9a537bbe' name='device' filepath='drivers/of/irq.c' line='286' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/irq.c' line='286' column='1'/>
+        <parameter type-id='51a94113' name='out_irq' filepath='drivers/of/irq.c' line='286' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_machine_is_compatible' mangled-name='of_machine_is_compatible' filepath='drivers/of/base.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_machine_is_compatible'>
+        <parameter type-id='80f4b756' name='compat' filepath='drivers/of/base.c' line='567' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_match_device' mangled-name='of_match_device' filepath='drivers/of/device.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_match_device'>
+        <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/device.c' line='28' column='1'/>
+        <parameter type-id='8df61054' name='dev' filepath='drivers/of/device.c' line='29' column='1'/>
+        <return type-id='e5ce629e'/>
+      </function-decl>
+      <function-decl name='of_match_node' mangled-name='of_match_node' filepath='drivers/of/base.c' line='1110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_match_node'>
+        <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/base.c' line='1110' column='1'/>
+        <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='1111' column='1'/>
+        <return type-id='e5ce629e'/>
+      </function-decl>
+      <function-decl name='of_mdiobus_register' mangled-name='of_mdiobus_register' filepath='drivers/net/mdio/of_mdio.c' line='248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_mdiobus_register'>
+        <parameter type-id='ff47b24b' name='mdio' filepath='drivers/net/mdio/of_mdio.c' line='248' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/net/mdio/of_mdio.c' line='248' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_n_addr_cells' mangled-name='of_n_addr_cells' filepath='drivers/of/base.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_n_addr_cells'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='101' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_n_size_cells' mangled-name='of_n_size_cells' filepath='drivers/of/base.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_n_size_cells'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='122' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_node_name_eq' mangled-name='of_node_name_eq' filepath='drivers/of/base.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_node_name_eq'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='58' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='58' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='of_nvmem_cell_get' mangled-name='of_nvmem_cell_get' filepath='drivers/nvmem/core.c' line='1070' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_nvmem_cell_get'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/nvmem/core.c' line='1070' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='1070' column='1'/>
+        <return type-id='4a4ce85f'/>
+      </function-decl>
+      <function-decl name='of_nvmem_device_get' mangled-name='of_nvmem_device_get' filepath='drivers/nvmem/core.c' line='863' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_nvmem_device_get'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/nvmem/core.c' line='863' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='863' column='1'/>
+        <return type-id='8179bc49'/>
+      </function-decl>
+      <function-decl name='of_parse_phandle' mangled-name='of_parse_phandle' filepath='drivers/of/base.c' line='1437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_parse_phandle'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1437' column='1'/>
+        <parameter type-id='80f4b756' name='phandle_name' filepath='drivers/of/base.c' line='1438' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/base.c' line='1438' column='1'/>
+        <return type-id='9a537bbe'/>
+      </function-decl>
+      <function-decl name='of_parse_phandle_with_args' mangled-name='of_parse_phandle_with_args' filepath='drivers/of/base.c' line='1485' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_parse_phandle_with_args'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1485' column='1'/>
+        <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1485' column='1'/>
+        <parameter type-id='80f4b756' name='cells_name' filepath='drivers/of/base.c' line='1486' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/base.c' line='1486' column='1'/>
+        <parameter type-id='51a94113' name='out_args' filepath='drivers/of/base.c' line='1487' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_parse_phandle_with_fixed_args' mangled-name='of_parse_phandle_with_fixed_args' filepath='drivers/of/base.c' line='1717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_parse_phandle_with_fixed_args'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1717' column='1'/>
+        <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1718' column='1'/>
+        <parameter type-id='95e97e5e' name='cell_count' filepath='drivers/of/base.c' line='1718' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/of/base.c' line='1719' column='1'/>
+        <parameter type-id='51a94113' name='out_args' filepath='drivers/of/base.c' line='1719' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_pci_get_max_link_speed' mangled-name='of_pci_get_max_link_speed' filepath='drivers/pci/of.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_pci_get_max_link_speed'>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/pci/of.c' line='598' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_phandle_iterator_init' mangled-name='of_phandle_iterator_init' filepath='drivers/of/base.c' line='1240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phandle_iterator_init'>
+        <parameter type-id='58cfaa0e' name='it' filepath='drivers/of/base.c' line='1240' column='1'/>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1241' column='1'/>
+        <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1242' column='1'/>
+        <parameter type-id='80f4b756' name='cells_name' filepath='drivers/of/base.c' line='1243' column='1'/>
+        <parameter type-id='95e97e5e' name='cell_count' filepath='drivers/of/base.c' line='1244' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_phandle_iterator_next' mangled-name='of_phandle_iterator_next' filepath='drivers/of/base.c' line='1273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phandle_iterator_next'>
+        <parameter type-id='58cfaa0e' name='it' filepath='drivers/of/base.c' line='1273' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_phy_is_fixed_link' mangled-name='of_phy_is_fixed_link' filepath='drivers/net/mdio/of_mdio.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_is_fixed_link'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/net/mdio/of_mdio.c' line='504' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='of_phy_simple_xlate' mangled-name='of_phy_simple_xlate' filepath='drivers/phy/phy-core.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_simple_xlate'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='633' column='1'/>
+        <parameter type-id='51a94113' name='args' filepath='drivers/phy/phy-core.c' line='634' column='1'/>
+        <return type-id='503ff1ba'/>
+      </function-decl>
+      <function-decl name='of_pinctrl_get' mangled-name='of_pinctrl_get' filepath='drivers/pinctrl/devicetree.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_pinctrl_get'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/pinctrl/devicetree.c' line='103' column='1'/>
+        <return type-id='10216dc5'/>
+      </function-decl>
+      <function-decl name='of_platform_depopulate' mangled-name='of_platform_depopulate' filepath='drivers/of/platform.c' line='589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_depopulate'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/of/platform.c' line='589' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='of_platform_device_create' mangled-name='of_platform_device_create' filepath='drivers/of/platform.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_device_create'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/platform.c' line='210' column='1'/>
+        <parameter type-id='80f4b756' name='bus_id' filepath='drivers/of/platform.c' line='211' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/of/platform.c' line='212' column='1'/>
+        <return type-id='db362995'/>
+      </function-decl>
+      <function-decl name='of_platform_device_destroy' mangled-name='of_platform_device_destroy' filepath='drivers/of/platform.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_device_destroy'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/platform.c' line='556' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/of/platform.c' line='556' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_platform_populate' mangled-name='of_platform_populate' filepath='drivers/of/platform.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_populate'>
+        <parameter type-id='9a537bbe' name='root' filepath='drivers/of/platform.c' line='468' column='1'/>
+        <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/platform.c' line='469' column='1'/>
+        <parameter type-id='fcc1e09e' name='lookup' filepath='drivers/of/platform.c' line='470' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/of/platform.c' line='471' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_prop_next_string' mangled-name='of_prop_next_string' filepath='drivers/of/property.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_prop_next_string'>
+        <parameter type-id='ddcd89c6' name='prop' filepath='drivers/of/property.c' line='549' column='1'/>
+        <parameter type-id='80f4b756' name='cur' filepath='drivers/of/property.c' line='549' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='of_prop_next_u32' mangled-name='of_prop_next_u32' filepath='drivers/of/property.c' line='526' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_prop_next_u32'>
+        <parameter type-id='ddcd89c6' name='prop' filepath='drivers/of/property.c' line='526' column='1'/>
+        <parameter type-id='90144368' name='cur' filepath='drivers/of/property.c' line='526' column='1'/>
+        <parameter type-id='f9409001' name='pu' filepath='drivers/of/property.c' line='527' column='1'/>
+        <return type-id='90144368'/>
+      </function-decl>
+      <function-decl name='of_property_count_elems_of_size' mangled-name='of_property_count_elems_of_size' filepath='drivers/of/property.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_count_elems_of_size'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='70' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='71' column='1'/>
+        <parameter type-id='95e97e5e' name='elem_size' filepath='drivers/of/property.c' line='71' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_match_string' mangled-name='of_property_match_string' filepath='drivers/of/property.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_match_string'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='460' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='460' column='1'/>
+        <parameter type-id='80f4b756' name='string' filepath='drivers/of/property.c' line='461' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_string' mangled-name='of_property_read_string' filepath='drivers/of/property.c' line='436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_string'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='436' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='436' column='1'/>
+        <parameter type-id='7d3cd834' name='out_string' filepath='drivers/of/property.c' line='437' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_string_helper' mangled-name='of_property_read_string_helper' filepath='drivers/of/property.c' line='499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_string_helper'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='499' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='500' column='1'/>
+        <parameter type-id='7d3cd834' name='out_strs' filepath='drivers/of/property.c' line='500' column='1'/>
+        <parameter type-id='b59d7dce' name='sz' filepath='drivers/of/property.c' line='501' column='1'/>
+        <parameter type-id='95e97e5e' name='skip' filepath='drivers/of/property.c' line='501' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_u32_index' mangled-name='of_property_read_u32_index' filepath='drivers/of/property.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_u32_index'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='143' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='144' column='1'/>
+        <parameter type-id='19c2251e' name='index' filepath='drivers/of/property.c' line='145' column='1'/>
+        <parameter type-id='f9409001' name='out_value' filepath='drivers/of/property.c' line='145' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_u64' mangled-name='of_property_read_u64' filepath='drivers/of/property.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_u64'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='355' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='355' column='1'/>
+        <parameter type-id='3df9fd28' name='out_value' filepath='drivers/of/property.c' line='356' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_u64_index' mangled-name='of_property_read_u64_index' filepath='drivers/of/property.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_u64_index'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='177' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='178' column='1'/>
+        <parameter type-id='19c2251e' name='index' filepath='drivers/of/property.c' line='179' column='1'/>
+        <parameter type-id='3df9fd28' name='out_value' filepath='drivers/of/property.c' line='179' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_variable_u16_array' mangled-name='of_property_read_variable_u16_array' filepath='drivers/of/property.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u16_array'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='267' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='268' column='1'/>
+        <parameter type-id='26d4d46f' name='out_values' filepath='drivers/of/property.c' line='268' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_min' filepath='drivers/of/property.c' line='269' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='269' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_variable_u32_array' mangled-name='of_property_read_variable_u32_array' filepath='drivers/of/property.c' line='314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u32_array'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='314' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='315' column='1'/>
+        <parameter type-id='f9409001' name='out_values' filepath='drivers/of/property.c' line='315' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_min' filepath='drivers/of/property.c' line='316' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='316' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_variable_u64_array' mangled-name='of_property_read_variable_u64_array' filepath='drivers/of/property.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u64_array'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='392' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='393' column='1'/>
+        <parameter type-id='3df9fd28' name='out_values' filepath='drivers/of/property.c' line='393' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_min' filepath='drivers/of/property.c' line='394' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='394' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_property_read_variable_u8_array' mangled-name='of_property_read_variable_u8_array' filepath='drivers/of/property.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u8_array'>
+        <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='217' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='218' column='1'/>
+        <parameter type-id='8bff8096' name='out_values' filepath='drivers/of/property.c' line='218' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_min' filepath='drivers/of/property.c' line='219' column='1'/>
+        <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='219' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_pwm_xlate_with_flags' mangled-name='of_pwm_xlate_with_flags' filepath='drivers/pwm/core.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_pwm_xlate_with_flags'>
+        <parameter type-id='00cf0c80' name='pc' filepath='drivers/pwm/core.c' line='135' column='1'/>
+        <parameter type-id='af02a266' name='args' filepath='drivers/pwm/core.c' line='135' column='1'/>
+        <return type-id='f06adae0'/>
+      </function-decl>
+      <function-decl name='of_regulator_match' mangled-name='of_regulator_match' filepath='drivers/regulator/of_regulator.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_regulator_match'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/of_regulator.c' line='329' column='1'/>
+        <parameter type-id='9a537bbe' name='node' filepath='drivers/regulator/of_regulator.c' line='329' column='1'/>
+        <parameter type-id='7353ff84' name='matches' filepath='drivers/regulator/of_regulator.c' line='330' column='1'/>
+        <parameter type-id='f0981eeb' name='num_matches' filepath='drivers/regulator/of_regulator.c' line='331' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_reserved_mem_device_init_by_idx' mangled-name='of_reserved_mem_device_init_by_idx' filepath='drivers/of/of_reserved_mem.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_reserved_mem_device_init_by_idx'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/of_reserved_mem.c' line='331' column='1'/>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_reserved_mem.c' line='332' column='1'/>
+        <parameter type-id='95e97e5e' name='idx' filepath='drivers/of/of_reserved_mem.c' line='332' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_reserved_mem_device_release' mangled-name='of_reserved_mem_device_release' filepath='drivers/of/of_reserved_mem.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_reserved_mem_device_release'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/of_reserved_mem.c' line='405' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='of_reserved_mem_lookup' mangled-name='of_reserved_mem_lookup' filepath='drivers/of/of_reserved_mem.c' line='435' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_reserved_mem_lookup'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_reserved_mem.c' line='435' column='1'/>
+        <return type-id='f7f718cb'/>
+      </function-decl>
+      <var-decl name='of_root' type-id='9a537bbe' mangled-name='of_root' visibility='default' filepath='drivers/of/base.c' line='36' column='1' elf-symbol-id='of_root'/>
+      <function-decl name='of_thermal_get_ntrips' mangled-name='of_thermal_get_ntrips' filepath='drivers/thermal/thermal_of.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_thermal_get_ntrips'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_of.c' line='119' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='of_thermal_get_trip_points' mangled-name='of_thermal_get_trip_points' filepath='drivers/thermal/thermal_of.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_thermal_get_trip_points'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_of.c' line='162' column='1'/>
+        <return type-id='3837a2c7'/>
+      </function-decl>
+      <function-decl name='of_thermal_is_trip_valid' mangled-name='of_thermal_is_trip_valid' filepath='drivers/thermal/thermal_of.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_thermal_is_trip_valid'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_of.c' line='140' column='1'/>
+        <parameter type-id='95e97e5e' name='trip' filepath='drivers/thermal/thermal_of.c' line='140' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='of_translate_address' mangled-name='of_translate_address' filepath='drivers/of/address.c' line='613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_translate_address'>
+        <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/address.c' line='613' column='1'/>
+        <parameter type-id='90144368' name='in_addr' filepath='drivers/of/address.c' line='613' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='of_usb_get_dr_mode_by_phy' mangled-name='of_usb_get_dr_mode_by_phy' filepath='drivers/usb/common/common.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_usb_get_dr_mode_by_phy'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/usb/common/common.c' line='256' column='1'/>
+        <parameter type-id='95e97e5e' name='arg0' filepath='drivers/usb/common/common.c' line='256' column='1'/>
+        <return type-id='d291aaf1'/>
+      </function-decl>
+      <function-decl name='of_usb_host_tpl_support' mangled-name='of_usb_host_tpl_support' filepath='drivers/usb/common/common.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_usb_host_tpl_support'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/usb/common/common.c' line='308' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <var-decl name='oops_in_progress' type-id='95e97e5e' mangled-name='oops_in_progress' visibility='default' filepath='kernel/printk/printk.c' line='81' column='1' elf-symbol-id='oops_in_progress'/>
+      <function-decl name='open_candev' mangled-name='open_candev' filepath='drivers/net/can/dev/dev.c' line='850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='open_candev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='850' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='out_of_line_wait_on_bit_timeout' mangled-name='out_of_line_wait_on_bit_timeout' filepath='kernel/sched/wait_bit.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='out_of_line_wait_on_bit_timeout'>
+        <parameter type-id='eaa32e2f' name='word' filepath='kernel/sched/wait_bit.c' line='69' column='1'/>
+        <parameter type-id='95e97e5e' name='bit' filepath='kernel/sched/wait_bit.c' line='69' column='1'/>
+        <parameter type-id='50c74428' name='action' filepath='kernel/sched/wait_bit.c' line='69' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait_bit.c' line='70' column='1'/>
+        <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/wait_bit.c' line='70' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='page_endio' mangled-name='page_endio' filepath='mm/filemap.c' line='1516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_endio'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/filemap.c' line='1516' column='1'/>
+        <parameter type-id='b50a4934' name='is_write' filepath='mm/filemap.c' line='1516' column='1'/>
+        <parameter type-id='95e97e5e' name='err' filepath='mm/filemap.c' line='1516' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='page_frag_alloc' mangled-name='page_frag_alloc' filepath='mm/page_alloc.c' line='5474' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_frag_alloc'>
+        <parameter type-id='34e4f518' name='nc' filepath='mm/page_alloc.c' line='5474' column='1'/>
+        <parameter type-id='f0981eeb' name='fragsz' filepath='mm/page_alloc.c' line='5475' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/page_alloc.c' line='5475' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='page_frag_free' mangled-name='page_frag_free' filepath='mm/page_alloc.c' line='5548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_frag_free'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='mm/page_alloc.c' line='5548' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='page_mapping' mangled-name='page_mapping' filepath='mm/util.c' line='735' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_mapping'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/util.c' line='735' column='1'/>
+        <return type-id='f57039f0'/>
+      </function-decl>
+      <var-decl name='page_pinner_inited' type-id='237c0d27' mangled-name='page_pinner_inited' visibility='default' filepath='mm/page_pinner.c' line='58' column='1' elf-symbol-id='page_pinner_inited'/>
+      <function-decl name='page_pool_alloc_pages' mangled-name='page_pool_alloc_pages' filepath='net/core/page_pool.c' line='247' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_pool_alloc_pages'>
+        <parameter type-id='a832c6b9' name='pool' filepath='net/core/page_pool.c' line='247' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/core/page_pool.c' line='247' column='1'/>
+        <return type-id='02f11ed4'/>
+      </function-decl>
+      <function-decl name='page_pool_create' mangled-name='page_pool_create' filepath='net/core/page_pool.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_pool_create'>
+        <parameter type-id='910759c1' name='params' filepath='net/core/page_pool.c' line='81' column='1'/>
+        <return type-id='a832c6b9'/>
+      </function-decl>
+      <function-decl name='page_pool_destroy' mangled-name='page_pool_destroy' filepath='net/core/page_pool.c' line='510' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_pool_destroy'>
+        <parameter type-id='a832c6b9' name='pool' filepath='net/core/page_pool.c' line='510' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='page_pool_put_page' mangled-name='page_pool_put_page' filepath='net/core/page_pool.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_pool_put_page'>
+        <parameter type-id='a832c6b9' name='pool' filepath='net/core/page_pool.c' line='367' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='net/core/page_pool.c' line='367' column='1'/>
+        <parameter type-id='f0981eeb' name='dma_sync_size' filepath='net/core/page_pool.c' line='368' column='1'/>
+        <parameter type-id='b50a4934' name='allow_direct' filepath='net/core/page_pool.c' line='368' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='page_pool_release_page' mangled-name='page_pool_release_page' filepath='net/core/page_pool.c' line='286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_pool_release_page'>
+        <parameter type-id='a832c6b9' name='pool' filepath='net/core/page_pool.c' line='286' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='net/core/page_pool.c' line='286' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='panic' mangled-name='panic' filepath='kernel/panic.c' line='244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='panic'>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/panic.c' line='244' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='panic_notifier_list' type-id='dbd58f6e' mangled-name='panic_notifier_list' visibility='default' filepath='kernel/panic.c' line='73' column='1' elf-symbol-id='panic_notifier_list'/>
+      <var-decl name='param_array_ops' type-id='95d0d4e8' mangled-name='param_array_ops' visibility='default' filepath='kernel/params.c' line='485' column='1' elf-symbol-id='param_array_ops'/>
+      <function-decl name='param_get_bool' mangled-name='param_get_bool' filepath='kernel/params.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_get_bool'>
+        <parameter type-id='26a90f95' name='buffer' filepath='kernel/params.c' line='299' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='299' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='param_get_int' mangled-name='param_get_int' filepath='kernel/params.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_get_int'>
+        <parameter type-id='26a90f95' name='buffer' filepath='kernel/params.c' line='239' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='239' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='param_get_string' mangled-name='param_get_string' filepath='kernel/params.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_get_string'>
+        <parameter type-id='26a90f95' name='buffer' filepath='kernel/params.c' line='506' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='506' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='param_get_uint' mangled-name='param_get_uint' filepath='kernel/params.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_get_uint'>
+        <parameter type-id='26a90f95' name='buffer' filepath='kernel/params.c' line='240' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='240' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='param_ops_bint' type-id='95d0d4e8' mangled-name='param_ops_bint' visibility='default' filepath='kernel/params.c' line='387' column='1' elf-symbol-id='param_ops_bint'/>
+      <var-decl name='param_ops_bool' type-id='95d0d4e8' mangled-name='param_ops_bool' visibility='default' filepath='kernel/params.c' line='306' column='1' elf-symbol-id='param_ops_bool'/>
+      <var-decl name='param_ops_byte' type-id='95d0d4e8' mangled-name='param_ops_byte' visibility='default' filepath='kernel/params.c' line='236' column='1' elf-symbol-id='param_ops_byte'/>
+      <var-decl name='param_ops_charp' type-id='95d0d4e8' mangled-name='param_ops_charp' visibility='default' filepath='kernel/params.c' line='281' column='1' elf-symbol-id='param_ops_charp'/>
+      <var-decl name='param_ops_int' type-id='95d0d4e8' mangled-name='param_ops_int' visibility='default' filepath='kernel/params.c' line='239' column='1' elf-symbol-id='param_ops_int'/>
+      <var-decl name='param_ops_long' type-id='95d0d4e8' mangled-name='param_ops_long' visibility='default' filepath='kernel/params.c' line='241' column='1' elf-symbol-id='param_ops_long'/>
+      <var-decl name='param_ops_short' type-id='95d0d4e8' mangled-name='param_ops_short' visibility='default' filepath='kernel/params.c' line='237' column='1' elf-symbol-id='param_ops_short'/>
+      <var-decl name='param_ops_string' type-id='95d0d4e8' mangled-name='param_ops_string' visibility='default' filepath='kernel/params.c' line='513' column='1' elf-symbol-id='param_ops_string'/>
+      <var-decl name='param_ops_uint' type-id='95d0d4e8' mangled-name='param_ops_uint' visibility='default' filepath='kernel/params.c' line='240' column='1' elf-symbol-id='param_ops_uint'/>
+      <var-decl name='param_ops_ullong' type-id='95d0d4e8' mangled-name='param_ops_ullong' visibility='default' filepath='kernel/params.c' line='243' column='1' elf-symbol-id='param_ops_ullong'/>
+      <var-decl name='param_ops_ulong' type-id='95d0d4e8' mangled-name='param_ops_ulong' visibility='default' filepath='kernel/params.c' line='242' column='1' elf-symbol-id='param_ops_ulong'/>
+      <var-decl name='param_ops_ushort' type-id='95d0d4e8' mangled-name='param_ops_ushort' visibility='default' filepath='kernel/params.c' line='238' column='1' elf-symbol-id='param_ops_ushort'/>
+      <function-decl name='param_set_bool' mangled-name='param_set_bool' filepath='kernel/params.c' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_bool'>
+        <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='289' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='289' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='param_set_copystring' mangled-name='param_set_copystring' filepath='kernel/params.c' line='492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_copystring'>
+        <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='492' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='492' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='param_set_int' mangled-name='param_set_int' filepath='kernel/params.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_int'>
+        <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='239' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='239' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='param_set_uint' mangled-name='param_set_uint' filepath='kernel/params.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_uint'>
+        <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='240' column='1'/>
+        <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='240' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='passthru_features_check' mangled-name='passthru_features_check' filepath='net/core/dev.c' line='3509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='passthru_features_check'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3509' column='1'/>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3510' column='1'/>
+        <parameter type-id='f9f4b16f' name='features' filepath='net/core/dev.c' line='3511' column='1'/>
+        <return type-id='f9f4b16f'/>
+      </function-decl>
+      <function-decl name='pause_cpus' mangled-name='pause_cpus' filepath='kernel/cpu.c' line='1193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pause_cpus'>
+        <parameter type-id='74bccedd' name='cpus' filepath='kernel/cpu.c' line='1193' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_alloc_irq_vectors_affinity' mangled-name='pci_alloc_irq_vectors_affinity' filepath='drivers/pci/msi.c' line='1209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_alloc_irq_vectors_affinity'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1209' column='1'/>
+        <parameter type-id='f0981eeb' name='min_vecs' filepath='drivers/pci/msi.c' line='1209' column='1'/>
+        <parameter type-id='f0981eeb' name='max_vecs' filepath='drivers/pci/msi.c' line='1210' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='drivers/pci/msi.c' line='1210' column='1'/>
+        <parameter type-id='8a876638' name='affd' filepath='drivers/pci/msi.c' line='1211' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_assign_resource' mangled-name='pci_assign_resource' filepath='drivers/pci/setup-res.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_assign_resource'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/setup-res.c' line='321' column='1'/>
+        <parameter type-id='95e97e5e' name='resno' filepath='drivers/pci/setup-res.c' line='321' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='pci_bus_type' type-id='b31bfc8a' mangled-name='pci_bus_type' visibility='default' filepath='drivers/pci/pci-driver.c' line='1598' column='1' elf-symbol-id='pci_bus_type'/>
+      <function-decl name='pci_choose_state' mangled-name='pci_choose_state' filepath='drivers/pci/pci.c' line='1367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_choose_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1367' column='1'/>
+        <parameter type-id='08496218' name='state' filepath='drivers/pci/pci.c' line='1367' column='1'/>
+        <return type-id='49c32219'/>
+      </function-decl>
+      <function-decl name='pci_clear_master' mangled-name='pci_clear_master' filepath='drivers/pci/pci.c' line='4315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_clear_master'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4315' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_clear_mwi' mangled-name='pci_clear_mwi' filepath='drivers/pci/pci.c' line='4436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_clear_mwi'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4436' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_dev_put' mangled-name='pci_dev_put' filepath='drivers/pci/pci-driver.c' line='1491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_dev_put'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci-driver.c' line='1491' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_device_group' mangled-name='pci_device_group' filepath='drivers/iommu/iommu.c' line='1413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_device_group'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1413' column='1'/>
+        <return type-id='0b19fc54'/>
+      </function-decl>
+      <function-decl name='pci_device_is_present' mangled-name='pci_device_is_present' filepath='drivers/pci/pci.c' line='6146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_device_is_present'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='6146' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='pci_disable_device' mangled-name='pci_disable_device' filepath='drivers/pci/pci.c' line='2139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_device'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='2139' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_disable_link_state' mangled-name='pci_disable_link_state' filepath='drivers/pci/pcie/aspm.c' line='1155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_link_state'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pcie/aspm.c' line='1155' column='1'/>
+        <parameter type-id='95e97e5e' name='state' filepath='drivers/pci/pcie/aspm.c' line='1155' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_disable_msi' mangled-name='pci_disable_msi' filepath='drivers/pci/msi.c' line='962' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_msi'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='962' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_disable_msix' mangled-name='pci_disable_msix' filepath='drivers/pci/msi.c' line='1049' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_msix'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1049' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_disable_pcie_error_reporting' mangled-name='pci_disable_pcie_error_reporting' filepath='drivers/pci/pcie/aer.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_pcie_error_reporting'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pcie/aer.c' line='242' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_disable_sriov' mangled-name='pci_disable_sriov' filepath='drivers/pci/iov.c' line='943' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_sriov'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='943' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_enable_device' mangled-name='pci_enable_device' filepath='drivers/pci/pci.c' line='1946' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_device'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1946' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_enable_device_mem' mangled-name='pci_enable_device_mem' filepath='drivers/pci/pci.c' line='1929' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_device_mem'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1929' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_enable_msi' mangled-name='pci_enable_msi' filepath='drivers/pci/msi.c' line='1127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_msi'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1127' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_enable_msix_range' mangled-name='pci_enable_msix_range' filepath='drivers/pci/msi.c' line='1184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_msix_range'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1184' column='1'/>
+        <parameter type-id='682fb763' name='entries' filepath='drivers/pci/msi.c' line='1184' column='1'/>
+        <parameter type-id='95e97e5e' name='minvec' filepath='drivers/pci/msi.c' line='1185' column='1'/>
+        <parameter type-id='95e97e5e' name='maxvec' filepath='drivers/pci/msi.c' line='1185' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_enable_pcie_error_reporting' mangled-name='pci_enable_pcie_error_reporting' filepath='drivers/pci/pcie/aer.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_pcie_error_reporting'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pcie/aer.c' line='230' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_enable_sriov' mangled-name='pci_enable_sriov' filepath='drivers/pci/iov.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_sriov'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='928' column='1'/>
+        <parameter type-id='95e97e5e' name='nr_virtfn' filepath='drivers/pci/iov.c' line='928' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_enable_wake' mangled-name='pci_enable_wake' filepath='drivers/pci/pci.c' line='2503' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_wake'>
+        <parameter type-id='85196e3f' name='pci_dev' filepath='drivers/pci/pci.c' line='2503' column='1'/>
+        <parameter type-id='49c32219' name='state' filepath='drivers/pci/pci.c' line='2503' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/pci/pci.c' line='2503' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_find_bus' mangled-name='pci_find_bus' filepath='drivers/pci/search.c' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_bus'>
+        <parameter type-id='95e97e5e' name='domain' filepath='drivers/pci/search.c' line='141' column='1'/>
+        <parameter type-id='95e97e5e' name='busnr' filepath='drivers/pci/search.c' line='141' column='1'/>
+        <return type-id='d1feb554'/>
+      </function-decl>
+      <function-decl name='pci_find_capability' mangled-name='pci_find_capability' filepath='drivers/pci/pci.c' line='481' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_capability'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='481' column='1'/>
+        <parameter type-id='95e97e5e' name='cap' filepath='drivers/pci/pci.c' line='481' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_find_ext_capability' mangled-name='pci_find_ext_capability' filepath='drivers/pci/pci.c' line='587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_ext_capability'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='587' column='1'/>
+        <parameter type-id='95e97e5e' name='cap' filepath='drivers/pci/pci.c' line='587' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_find_next_capability' mangled-name='pci_find_next_capability' filepath='drivers/pci/pci.c' line='435' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_next_capability'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='435' column='1'/>
+        <parameter type-id='f9b06939' name='pos' filepath='drivers/pci/pci.c' line='435' column='1'/>
+        <parameter type-id='95e97e5e' name='cap' filepath='drivers/pci/pci.c' line='435' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_free_irq' mangled-name='pci_free_irq' filepath='drivers/pci/irq.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_free_irq'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/irq.c' line='72' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='drivers/pci/irq.c' line='72' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='drivers/pci/irq.c' line='72' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_free_irq_vectors' mangled-name='pci_free_irq_vectors' filepath='drivers/pci/msi.c' line='1262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_free_irq_vectors'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1262' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_get_device' mangled-name='pci_get_device' filepath='drivers/pci/search.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_get_device'>
+        <parameter type-id='f0981eeb' name='vendor' filepath='drivers/pci/search.c' line='333' column='1'/>
+        <parameter type-id='f0981eeb' name='device' filepath='drivers/pci/search.c' line='333' column='1'/>
+        <parameter type-id='85196e3f' name='from' filepath='drivers/pci/search.c' line='334' column='1'/>
+        <return type-id='85196e3f'/>
+      </function-decl>
+      <function-decl name='pci_get_slot' mangled-name='pci_get_slot' filepath='drivers/pci/search.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_get_slot'>
+        <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/search.c' line='195' column='1'/>
+        <parameter type-id='f0981eeb' name='devfn' filepath='drivers/pci/search.c' line='195' column='1'/>
+        <return type-id='85196e3f'/>
+      </function-decl>
+      <function-decl name='pci_host_probe' mangled-name='pci_host_probe' filepath='drivers/pci/probe.c' line='3006' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_host_probe'>
+        <parameter type-id='cb0dbc3c' name='bridge' filepath='drivers/pci/probe.c' line='3006' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_intx' mangled-name='pci_intx' filepath='drivers/pci/pci.c' line='4457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_intx'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='4457' column='1'/>
+        <parameter type-id='95e97e5e' name='enable' filepath='drivers/pci/pci.c' line='4457' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_iomap' mangled-name='pci_iomap' filepath='lib/pci_iomap.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_iomap'>
+        <parameter type-id='85196e3f' name='dev' filepath='lib/pci_iomap.c' line='111' column='1'/>
+        <parameter type-id='95e97e5e' name='bar' filepath='lib/pci_iomap.c' line='111' column='1'/>
+        <parameter type-id='7359adad' name='maxlen' filepath='lib/pci_iomap.c' line='111' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='pci_iomap_range' mangled-name='pci_iomap_range' filepath='lib/pci_iomap.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_iomap_range'>
+        <parameter type-id='85196e3f' name='dev' filepath='lib/pci_iomap.c' line='28' column='1'/>
+        <parameter type-id='95e97e5e' name='bar' filepath='lib/pci_iomap.c' line='29' column='1'/>
+        <parameter type-id='7359adad' name='offset' filepath='lib/pci_iomap.c' line='30' column='1'/>
+        <parameter type-id='7359adad' name='maxlen' filepath='lib/pci_iomap.c' line='31' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='pci_ioremap_bar' mangled-name='pci_ioremap_bar' filepath='drivers/pci/pci.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_ioremap_bar'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='210' column='1'/>
+        <parameter type-id='95e97e5e' name='bar' filepath='drivers/pci/pci.c' line='210' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='pci_irq_get_affinity' mangled-name='pci_irq_get_affinity' filepath='drivers/pci/msi.c' line='1320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_irq_get_affinity'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1320' column='1'/>
+        <parameter type-id='95e97e5e' name='nr' filepath='drivers/pci/msi.c' line='1320' column='1'/>
+        <return type-id='5f8a1ac4'/>
+      </function-decl>
+      <function-decl name='pci_irq_vector' mangled-name='pci_irq_vector' filepath='drivers/pci/msi.c' line='1281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_irq_vector'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1281' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='drivers/pci/msi.c' line='1281' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_load_and_free_saved_state' mangled-name='pci_load_and_free_saved_state' filepath='drivers/pci/pci.c' line='1786' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_load_and_free_saved_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1786' column='1'/>
+        <parameter type-id='6efc6709' name='state' filepath='drivers/pci/pci.c' line='1787' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_load_saved_state' mangled-name='pci_load_saved_state' filepath='drivers/pci/pci.c' line='1749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_load_saved_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1749' column='1'/>
+        <parameter type-id='e4acc659' name='state' filepath='drivers/pci/pci.c' line='1750' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_match_id' mangled-name='pci_match_id' filepath='drivers/pci/pci-driver.c' line='223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_match_id'>
+        <parameter type-id='92fc8aa5' name='ids' filepath='drivers/pci/pci-driver.c' line='223' column='1'/>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci-driver.c' line='224' column='1'/>
+        <return type-id='92fc8aa5'/>
+      </function-decl>
+      <function-decl name='pci_msi_mask_irq' mangled-name='pci_msi_mask_irq' filepath='drivers/pci/msi.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_msi_mask_irq'>
+        <parameter type-id='1c475548' name='data' filepath='drivers/pci/msi.c' line='224' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_msi_unmask_irq' mangled-name='pci_msi_unmask_irq' filepath='drivers/pci/msi.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_msi_unmask_irq'>
+        <parameter type-id='1c475548' name='data' filepath='drivers/pci/msi.c' line='234' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_read_config_byte' mangled-name='pci_read_config_byte' filepath='drivers/pci/access.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_read_config_byte'>
+        <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='523' column='1'/>
+        <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='523' column='1'/>
+        <parameter type-id='8bff8096' name='val' filepath='drivers/pci/access.c' line='523' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_read_config_dword' mangled-name='pci_read_config_dword' filepath='drivers/pci/access.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_read_config_dword'>
+        <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='543' column='1'/>
+        <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='543' column='1'/>
+        <parameter type-id='f9409001' name='val' filepath='drivers/pci/access.c' line='544' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_read_config_word' mangled-name='pci_read_config_word' filepath='drivers/pci/access.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_read_config_word'>
+        <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='533' column='1'/>
+        <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='533' column='1'/>
+        <parameter type-id='26d4d46f' name='val' filepath='drivers/pci/access.c' line='533' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_release_region' mangled-name='pci_release_region' filepath='drivers/pci/pci.c' line='3801' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_release_region'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3801' column='1'/>
+        <parameter type-id='95e97e5e' name='bar' filepath='drivers/pci/pci.c' line='3801' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_release_regions' mangled-name='pci_release_regions' filepath='drivers/pci/pci.c' line='3959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_release_regions'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3959' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_release_selected_regions' mangled-name='pci_release_selected_regions' filepath='drivers/pci/pci.c' line='3898' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_release_selected_regions'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3898' column='1'/>
+        <parameter type-id='95e97e5e' name='bars' filepath='drivers/pci/pci.c' line='3898' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_remove_root_bus' mangled-name='pci_remove_root_bus' filepath='drivers/pci/remove.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_remove_root_bus'>
+        <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/remove.c' line='147' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_request_irq' mangled-name='pci_request_irq' filepath='drivers/pci/irq.c' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_irq'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/irq.c' line='33' column='1'/>
+        <parameter type-id='f0981eeb' name='nr' filepath='drivers/pci/irq.c' line='33' column='1'/>
+        <parameter type-id='29591c9a' name='handler' filepath='drivers/pci/irq.c' line='33' column='1'/>
+        <parameter type-id='29591c9a' name='thread_fn' filepath='drivers/pci/irq.c' line='34' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='drivers/pci/irq.c' line='34' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/pci/irq.c' line='34' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_request_region' mangled-name='pci_request_region' filepath='drivers/pci/pci.c' line='3884' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_region'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3884' column='1'/>
+        <parameter type-id='95e97e5e' name='bar' filepath='drivers/pci/pci.c' line='3884' column='1'/>
+        <parameter type-id='80f4b756' name='res_name' filepath='drivers/pci/pci.c' line='3884' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_request_regions' mangled-name='pci_request_regions' filepath='drivers/pci/pci.c' line='3978' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_regions'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3978' column='1'/>
+        <parameter type-id='80f4b756' name='res_name' filepath='drivers/pci/pci.c' line='3978' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_request_selected_regions' mangled-name='pci_request_selected_regions' filepath='drivers/pci/pci.c' line='3934' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_selected_regions'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3934' column='1'/>
+        <parameter type-id='95e97e5e' name='bars' filepath='drivers/pci/pci.c' line='3934' column='1'/>
+        <parameter type-id='80f4b756' name='res_name' filepath='drivers/pci/pci.c' line='3935' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_rescan_bus' mangled-name='pci_rescan_bus' filepath='drivers/pci/probe.c' line='3227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_rescan_bus'>
+        <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/probe.c' line='3227' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='pci_reset_function' mangled-name='pci_reset_function' filepath='drivers/pci/pci.c' line='5151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_reset_function'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5151' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_restore_msi_state' mangled-name='pci_restore_msi_state' filepath='drivers/pci/msi.c' line='446' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_restore_msi_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='446' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_restore_state' mangled-name='pci_restore_state' filepath='drivers/pci/pci.c' line='1663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_restore_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1663' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_save_state' mangled-name='pci_save_state' filepath='drivers/pci/pci.c' line='1548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_save_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1548' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_select_bars' mangled-name='pci_select_bars' filepath='drivers/pci/pci.c' line='5993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_select_bars'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5993' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='drivers/pci/pci.c' line='5993' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_set_master' mangled-name='pci_set_master' filepath='drivers/pci/pci.c' line='4304' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_set_master'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4304' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_set_mwi' mangled-name='pci_set_mwi' filepath='drivers/pci/pci.c' line='4367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_set_mwi'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4367' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_set_power_state' mangled-name='pci_set_power_state' filepath='drivers/pci/pci.c' line='1307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_set_power_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1307' column='1'/>
+        <parameter type-id='49c32219' name='state' filepath='drivers/pci/pci.c' line='1307' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_sriov_configure_simple' mangled-name='pci_sriov_configure_simple' filepath='drivers/pci/iov.c' line='1066' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_sriov_configure_simple'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='1066' column='1'/>
+        <parameter type-id='95e97e5e' name='nr_virtfn' filepath='drivers/pci/iov.c' line='1066' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_stop_root_bus' mangled-name='pci_stop_root_bus' filepath='drivers/pci/remove.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_stop_root_bus'>
+        <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/remove.c' line='129' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_store_saved_state' mangled-name='pci_store_saved_state' filepath='drivers/pci/pci.c' line='1710' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_store_saved_state'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1710' column='1'/>
+        <return type-id='e4acc659'/>
+      </function-decl>
+      <function-decl name='pci_unregister_driver' mangled-name='pci_unregister_driver' filepath='drivers/pci/pci-driver.c' line='1406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_unregister_driver'>
+        <parameter type-id='85b59624' name='drv' filepath='drivers/pci/pci-driver.c' line='1406' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pci_vfs_assigned' mangled-name='pci_vfs_assigned' filepath='drivers/pci/iov.c' line='976' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_vfs_assigned'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='976' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_wake_from_d3' mangled-name='pci_wake_from_d3' filepath='drivers/pci/pci.c' line='2526' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_wake_from_d3'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='2526' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/pci/pci.c' line='2526' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_write_config_byte' mangled-name='pci_write_config_byte' filepath='drivers/pci/access.c' line='554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_write_config_byte'>
+        <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='554' column='1'/>
+        <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='554' column='1'/>
+        <parameter type-id='f9b06939' name='val' filepath='drivers/pci/access.c' line='554' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_write_config_dword' mangled-name='pci_write_config_dword' filepath='drivers/pci/access.c' line='570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_write_config_dword'>
+        <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='570' column='1'/>
+        <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='570' column='1'/>
+        <parameter type-id='19c2251e' name='val' filepath='drivers/pci/access.c' line='571' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pci_write_config_word' mangled-name='pci_write_config_word' filepath='drivers/pci/access.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_write_config_word'>
+        <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='562' column='1'/>
+        <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='562' column='1'/>
+        <parameter type-id='1dc6a898' name='val' filepath='drivers/pci/access.c' line='562' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pcibios_resource_to_bus' mangled-name='pcibios_resource_to_bus' filepath='drivers/pci/host-bridge.c' line='50' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcibios_resource_to_bus'>
+        <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/host-bridge.c' line='50' column='1'/>
+        <parameter type-id='e045254b' name='region' filepath='drivers/pci/host-bridge.c' line='50' column='1'/>
+        <parameter type-id='c9d64c0d' name='res' filepath='drivers/pci/host-bridge.c' line='51' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pcie_aspm_enabled' mangled-name='pcie_aspm_enabled' filepath='drivers/pci/pcie/aspm.c' line='1211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_aspm_enabled'>
+        <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pcie/aspm.c' line='1211' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='pcie_capability_clear_and_set_word' mangled-name='pcie_capability_clear_and_set_word' filepath='drivers/pci/access.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_capability_clear_and_set_word'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/access.c' line='489' column='1'/>
+        <parameter type-id='95e97e5e' name='pos' filepath='drivers/pci/access.c' line='489' column='1'/>
+        <parameter type-id='1dc6a898' name='clear' filepath='drivers/pci/access.c' line='490' column='1'/>
+        <parameter type-id='1dc6a898' name='set' filepath='drivers/pci/access.c' line='490' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pcie_capability_read_word' mangled-name='pcie_capability_read_word' filepath='drivers/pci/access.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_capability_read_word'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/access.c' line='402' column='1'/>
+        <parameter type-id='95e97e5e' name='pos' filepath='drivers/pci/access.c' line='402' column='1'/>
+        <parameter type-id='26d4d46f' name='val' filepath='drivers/pci/access.c' line='402' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pcie_capability_write_word' mangled-name='pcie_capability_write_word' filepath='drivers/pci/access.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_capability_write_word'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/access.c' line='465' column='1'/>
+        <parameter type-id='95e97e5e' name='pos' filepath='drivers/pci/access.c' line='465' column='1'/>
+        <parameter type-id='1dc6a898' name='val' filepath='drivers/pci/access.c' line='465' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='pelt_load_avg_max' type-id='95e97e5e' mangled-name='pelt_load_avg_max' visibility='default' filepath='kernel/sched/pelt.c' line='32' column='1' elf-symbol-id='pelt_load_avg_max'/>
+      <function-decl name='perf_aux_output_begin' mangled-name='perf_aux_output_begin' filepath='kernel/events/ring_buffer.c' line='361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_aux_output_begin'>
+        <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='361' column='1'/>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/ring_buffer.c' line='362' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='perf_aux_output_end' mangled-name='perf_aux_output_end' filepath='kernel/events/ring_buffer.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_aux_output_end'>
+        <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='477' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='kernel/events/ring_buffer.c' line='477' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_aux_output_flag' mangled-name='perf_aux_output_flag' filepath='kernel/events/ring_buffer.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_aux_output_flag'>
+        <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='334' column='1'/>
+        <parameter type-id='91ce1af9' name='flags' filepath='kernel/events/ring_buffer.c' line='334' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_event_addr_filters_sync' mangled-name='perf_event_addr_filters_sync' filepath='kernel/events/core.c' line='3163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_addr_filters_sync'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='3163' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_event_create_kernel_counter' mangled-name='perf_event_create_kernel_counter' filepath='kernel/events/core.c' line='12238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_create_kernel_counter'>
+        <parameter type-id='20862e61' name='attr' filepath='kernel/events/core.c' line='12238' column='1'/>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/events/core.c' line='12238' column='1'/>
+        <parameter type-id='f23e2572' name='task' filepath='kernel/events/core.c' line='12239' column='1'/>
+        <parameter type-id='20a2e4e6' name='overflow_handler' filepath='kernel/events/core.c' line='12240' column='1'/>
+        <parameter type-id='eaa32e2f' name='context' filepath='kernel/events/core.c' line='12241' column='1'/>
+        <return type-id='2bf16f59'/>
+      </function-decl>
+      <function-decl name='perf_event_disable' mangled-name='perf_event_disable' filepath='kernel/events/core.c' line='2528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_disable'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='2528' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_event_enable' mangled-name='perf_event_enable' filepath='kernel/events/core.c' line='3063' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_enable'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='3063' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_event_pause' mangled-name='perf_event_pause' filepath='kernel/events/core.c' line='5427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_pause'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='5427' column='1'/>
+        <parameter type-id='b50a4934' name='reset' filepath='kernel/events/core.c' line='5427' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='perf_event_read_local' mangled-name='perf_event_read_local' filepath='kernel/events/core.c' line='4401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_read_local'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='4401' column='1'/>
+        <parameter type-id='3df9fd28' name='value' filepath='kernel/events/core.c' line='4401' column='1'/>
+        <parameter type-id='3df9fd28' name='enabled' filepath='kernel/events/core.c' line='4402' column='1'/>
+        <parameter type-id='3df9fd28' name='running' filepath='kernel/events/core.c' line='4402' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='perf_event_read_value' mangled-name='perf_event_read_value' filepath='kernel/events/core.c' line='5209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_read_value'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='5209' column='1'/>
+        <parameter type-id='3df9fd28' name='enabled' filepath='kernel/events/core.c' line='5209' column='1'/>
+        <parameter type-id='3df9fd28' name='running' filepath='kernel/events/core.c' line='5209' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='perf_event_release_kernel' mangled-name='perf_event_release_kernel' filepath='kernel/events/core.c' line='5059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_release_kernel'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='5059' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='perf_event_update_userpage' mangled-name='perf_event_update_userpage' filepath='kernel/events/core.c' line='5794' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_update_userpage'>
+        <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='5794' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_get_aux' mangled-name='perf_get_aux' filepath='kernel/events/ring_buffer.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_get_aux'>
+        <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='557' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='perf_pmu_migrate_context' mangled-name='perf_pmu_migrate_context' filepath='kernel/events/core.c' line='12317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_pmu_migrate_context'>
+        <parameter type-id='0906f5b9' name='pmu' filepath='kernel/events/core.c' line='12317' column='1'/>
+        <parameter type-id='95e97e5e' name='src_cpu' filepath='kernel/events/core.c' line='12317' column='1'/>
+        <parameter type-id='95e97e5e' name='dst_cpu' filepath='kernel/events/core.c' line='12317' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_pmu_register' mangled-name='perf_pmu_register' filepath='kernel/events/core.c' line='10858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_pmu_register'>
+        <parameter type-id='0906f5b9' name='pmu' filepath='kernel/events/core.c' line='10858' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/events/core.c' line='10858' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='kernel/events/core.c' line='10858' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='perf_pmu_unregister' mangled-name='perf_pmu_unregister' filepath='kernel/events/core.c' line='10994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_pmu_unregister'>
+        <parameter type-id='0906f5b9' name='pmu' filepath='kernel/events/core.c' line='10994' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='perf_trace_buf_alloc' mangled-name='perf_trace_buf_alloc' filepath='kernel/trace/trace_event_perf.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_trace_buf_alloc'>
+        <parameter type-id='95e97e5e' name='size' filepath='kernel/trace/trace_event_perf.c' line='395' column='1'/>
+        <parameter type-id='a89ff5a9' name='regs' filepath='kernel/trace/trace_event_perf.c' line='395' column='1'/>
+        <parameter type-id='7292109c' name='rctxp' filepath='kernel/trace/trace_event_perf.c' line='395' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='perf_trace_run_bpf_submit' mangled-name='perf_trace_run_bpf_submit' filepath='kernel/events/core.c' line='9489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_trace_run_bpf_submit'>
+        <parameter type-id='eaa32e2f' name='raw_data' filepath='kernel/events/core.c' line='9489' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='kernel/events/core.c' line='9489' column='1'/>
+        <parameter type-id='95e97e5e' name='rctx' filepath='kernel/events/core.c' line='9489' column='1'/>
+        <parameter type-id='23d6768c' name='call' filepath='kernel/events/core.c' line='9490' column='1'/>
+        <parameter type-id='91ce1af9' name='count' filepath='kernel/events/core.c' line='9490' column='1'/>
+        <parameter type-id='4616a179' name='regs' filepath='kernel/events/core.c' line='9491' column='1'/>
+        <parameter type-id='030d0b18' name='head' filepath='kernel/events/core.c' line='9491' column='1'/>
+        <parameter type-id='f23e2572' name='task' filepath='kernel/events/core.c' line='9492' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pfn_valid' mangled-name='pfn_valid' filepath='arch/arm64/mm/init.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pfn_valid'>
+        <parameter type-id='7359adad' name='pfn' filepath='arch/arm64/mm/init.c' line='263' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_attached_info' mangled-name='phy_attached_info' filepath='drivers/net/phy/phy_device.c' line='1133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_attached_info'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1133' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phy_calibrate' mangled-name='phy_calibrate' filepath='drivers/phy/phy-core.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_calibrate'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='407' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_configure' mangled-name='phy_configure' filepath='drivers/phy/phy-core.c' line='433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_configure'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='433' column='1'/>
+        <parameter type-id='9d3cfa5c' name='opts' filepath='drivers/phy/phy-core.c' line='433' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_connect_direct' mangled-name='phy_connect_direct' filepath='drivers/net/phy/phy_device.c' line='977' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_connect_direct'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/phy/phy_device.c' line='977' column='1'/>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='977' column='1'/>
+        <parameter type-id='548eee3a' name='handler' filepath='drivers/net/phy/phy_device.c' line='978' column='1'/>
+        <parameter type-id='d61bf978' name='interface' filepath='drivers/net/phy/phy_device.c' line='979' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_disconnect' mangled-name='phy_disconnect' filepath='drivers/net/phy/phy_device.c' line='1045' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_disconnect'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1045' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phy_drivers_register' mangled-name='phy_drivers_register' filepath='drivers/net/phy/phy_device.c' line='2973' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_drivers_register'>
+        <parameter type-id='e812884b' name='new_driver' filepath='drivers/net/phy/phy_device.c' line='2973' column='1'/>
+        <parameter type-id='95e97e5e' name='n' filepath='drivers/net/phy/phy_device.c' line='2973' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/net/phy/phy_device.c' line='2974' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_drivers_unregister' mangled-name='phy_drivers_unregister' filepath='drivers/net/phy/phy_device.c' line='2996' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_drivers_unregister'>
+        <parameter type-id='e812884b' name='drv' filepath='drivers/net/phy/phy_device.c' line='2996' column='1'/>
+        <parameter type-id='95e97e5e' name='n' filepath='drivers/net/phy/phy_device.c' line='2996' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phy_ethtool_get_link_ksettings' mangled-name='phy_ethtool_get_link_ksettings' filepath='drivers/net/phy/phy.c' line='1518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_get_link_ksettings'>
+        <parameter type-id='68a2d05b' name='ndev' filepath='drivers/net/phy/phy.c' line='1518' column='1'/>
+        <parameter type-id='70de91e2' name='cmd' filepath='drivers/net/phy/phy.c' line='1519' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_ethtool_nway_reset' mangled-name='phy_ethtool_nway_reset' filepath='drivers/net/phy/phy.c' line='1548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_nway_reset'>
+        <parameter type-id='68a2d05b' name='ndev' filepath='drivers/net/phy/phy.c' line='1548' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_ethtool_set_link_ksettings' mangled-name='phy_ethtool_set_link_ksettings' filepath='drivers/net/phy/phy.c' line='1532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_set_link_ksettings'>
+        <parameter type-id='68a2d05b' name='ndev' filepath='drivers/net/phy/phy.c' line='1532' column='1'/>
+        <parameter type-id='b2c34f11' name='cmd' filepath='drivers/net/phy/phy.c' line='1533' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_exit' mangled-name='phy_exit' filepath='drivers/phy/phy-core.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_exit'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='261' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_find_first' mangled-name='phy_find_first' filepath='drivers/net/phy/phy_device.c' line='925' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_find_first'>
+        <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/phy_device.c' line='925' column='1'/>
+        <return type-id='7efbcaaf'/>
+      </function-decl>
+      <function-decl name='phy_get_pause' mangled-name='phy_get_pause' filepath='drivers/net/phy/phy_device.c' line='2693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_get_pause'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2693' column='1'/>
+        <parameter type-id='d8e6b335' name='tx_pause' filepath='drivers/net/phy/phy_device.c' line='2693' column='1'/>
+        <parameter type-id='d8e6b335' name='rx_pause' filepath='drivers/net/phy/phy_device.c' line='2693' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phy_init' mangled-name='phy_init' filepath='drivers/phy/phy-core.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_init'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='232' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_init_eee' mangled-name='phy_init_eee' filepath='drivers/net/phy/phy.c' line='1324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_init_eee'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1324' column='1'/>
+        <parameter type-id='b50a4934' name='clk_stop_enable' filepath='drivers/net/phy/phy.c' line='1324' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_init_hw' mangled-name='phy_init_hw' filepath='drivers/net/phy/phy_device.c' line='1093' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_init_hw'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1093' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_mii_ioctl' mangled-name='phy_mii_ioctl' filepath='drivers/net/phy/phy.c' line='316' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_mii_ioctl'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='316' column='1'/>
+        <parameter type-id='d494b97c' name='ifr' filepath='drivers/net/phy/phy.c' line='316' column='1'/>
+        <parameter type-id='95e97e5e' name='cmd' filepath='drivers/net/phy/phy.c' line='316' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_mipi_dphy_config_validate' mangled-name='phy_mipi_dphy_config_validate' filepath='drivers/phy/phy-core-mipi-dphy.c' line='86' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_mipi_dphy_config_validate'>
+        <parameter type-id='37cfc122' name='cfg' filepath='drivers/phy/phy-core-mipi-dphy.c' line='86' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_mipi_dphy_get_default_config' mangled-name='phy_mipi_dphy_get_default_config' filepath='drivers/phy/phy-core-mipi-dphy.c' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_mipi_dphy_get_default_config'>
+        <parameter type-id='7359adad' name='pixel_clock' filepath='drivers/phy/phy-core-mipi-dphy.c' line='22' column='1'/>
+        <parameter type-id='f0981eeb' name='bpp' filepath='drivers/phy/phy-core-mipi-dphy.c' line='23' column='1'/>
+        <parameter type-id='f0981eeb' name='lanes' filepath='drivers/phy/phy-core-mipi-dphy.c' line='24' column='1'/>
+        <parameter type-id='37cfc122' name='cfg' filepath='drivers/phy/phy-core-mipi-dphy.c' line='25' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_modify' mangled-name='phy_modify' filepath='drivers/net/phy/phy-core.c' line='630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_modify'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+        <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+        <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_modify_paged_changed' mangled-name='phy_modify_paged_changed' filepath='drivers/net/phy/phy-core.c' line='899' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_modify_paged_changed'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='899' column='1'/>
+        <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='899' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='899' column='1'/>
+        <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='900' column='1'/>
+        <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='900' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_power_off' mangled-name='phy_power_off' filepath='drivers/phy/phy-core.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_power_off'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='332' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_power_on' mangled-name='phy_power_on' filepath='drivers/phy/phy-core.c' line='290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_power_on'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='290' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_print_status' mangled-name='phy_print_status' filepath='drivers/net/phy/phy.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_print_status'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='113' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phy_read_paged' mangled-name='phy_read_paged' filepath='drivers/net/phy/phy-core.c' line='856' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_read_paged'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='856' column='1'/>
+        <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='856' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='856' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_reset' mangled-name='phy_reset' filepath='drivers/phy/phy-core.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_reset'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='376' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_restore_page' mangled-name='phy_restore_page' filepath='drivers/net/phy/phy-core.c' line='825' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_restore_page'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='825' column='1'/>
+        <parameter type-id='95e97e5e' name='oldpage' filepath='drivers/net/phy/phy-core.c' line='825' column='1'/>
+        <parameter type-id='95e97e5e' name='ret' filepath='drivers/net/phy/phy-core.c' line='825' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_select_page' mangled-name='phy_select_page' filepath='drivers/net/phy/phy-core.c' line='791' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_select_page'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='791' column='1'/>
+        <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='791' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_set_mode_ext' mangled-name='phy_set_mode_ext' filepath='drivers/phy/phy-core.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_set_mode_ext'>
+        <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='359' column='1'/>
+        <parameter type-id='79ba09b7' name='mode' filepath='drivers/phy/phy-core.c' line='359' column='1'/>
+        <parameter type-id='95e97e5e' name='submode' filepath='drivers/phy/phy-core.c' line='359' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phy_start' mangled-name='phy_start' filepath='drivers/net/phy/phy.c' line='1169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_start'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1169' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phy_stop' mangled-name='phy_stop' filepath='drivers/net/phy/phy.c' line='1122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_stop'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1122' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phy_write_paged' mangled-name='phy_write_paged' filepath='drivers/net/phy/phy-core.c' line='877' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_write_paged'>
+        <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+        <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+        <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+        <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_connect_phy' mangled-name='phylink_connect_phy' filepath='drivers/net/phy/phylink.c' line='1070' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_connect_phy'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1070' column='1'/>
+        <parameter type-id='7efbcaaf' name='phy' filepath='drivers/net/phy/phylink.c' line='1070' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_create' mangled-name='phylink_create' filepath='drivers/net/phy/phylink.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_create'>
+        <parameter type-id='0dc3586b' name='config' filepath='drivers/net/phy/phylink.c' line='823' column='1'/>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/net/phy/phylink.c' line='824' column='1'/>
+        <parameter type-id='d61bf978' name='iface' filepath='drivers/net/phy/phylink.c' line='825' column='1'/>
+        <parameter type-id='f6203fc2' name='mac_ops' filepath='drivers/net/phy/phylink.c' line='826' column='1'/>
+        <return type-id='56f3c6ca'/>
+      </function-decl>
+      <function-decl name='phylink_destroy' mangled-name='phylink_destroy' filepath='drivers/net/phy/phylink.c' line='924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_destroy'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='924' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phylink_disconnect_phy' mangled-name='phylink_disconnect_phy' filepath='drivers/net/phy/phylink.c' line='1155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_disconnect_phy'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1155' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_get_eee' mangled-name='phylink_ethtool_get_eee' filepath='drivers/net/phy/phylink.c' line='1748' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_get_eee'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1748' column='1'/>
+        <parameter type-id='eced47f6' name='eee' filepath='drivers/net/phy/phylink.c' line='1748' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_get_pauseparam' mangled-name='phylink_ethtool_get_pauseparam' filepath='drivers/net/phy/phylink.c' line='1605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_get_pauseparam'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1605' column='1'/>
+        <parameter type-id='ab38066e' name='pause' filepath='drivers/net/phy/phylink.c' line='1606' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_get_wol' mangled-name='phylink_ethtool_get_wol' filepath='drivers/net/phy/phylink.c' line='1307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_get_wol'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1307' column='1'/>
+        <parameter type-id='fde1bbcb' name='wol' filepath='drivers/net/phy/phylink.c' line='1307' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_ksettings_get' mangled-name='phylink_ethtool_ksettings_get' filepath='drivers/net/phy/phylink.c' line='1374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_ksettings_get'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1374' column='1'/>
+        <parameter type-id='70de91e2' name='kset' filepath='drivers/net/phy/phylink.c' line='1375' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_ksettings_set' mangled-name='phylink_ethtool_ksettings_set' filepath='drivers/net/phy/phylink.c' line='1425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_ksettings_set'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1425' column='1'/>
+        <parameter type-id='b2c34f11' name='kset' filepath='drivers/net/phy/phylink.c' line='1426' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_nway_reset' mangled-name='phylink_ethtool_nway_reset' filepath='drivers/net/phy/phylink.c' line='1586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_nway_reset'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1586' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_set_eee' mangled-name='phylink_ethtool_set_eee' filepath='drivers/net/phy/phylink.c' line='1766' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_set_eee'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1766' column='1'/>
+        <parameter type-id='eced47f6' name='eee' filepath='drivers/net/phy/phylink.c' line='1766' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_set_pauseparam' mangled-name='phylink_ethtool_set_pauseparam' filepath='drivers/net/phy/phylink.c' line='1621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_set_pauseparam'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1621' column='1'/>
+        <parameter type-id='ab38066e' name='pause' filepath='drivers/net/phy/phylink.c' line='1622' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_ethtool_set_wol' mangled-name='phylink_ethtool_set_wol' filepath='drivers/net/phy/phylink.c' line='1330' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_ethtool_set_wol'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1330' column='1'/>
+        <parameter type-id='fde1bbcb' name='wol' filepath='drivers/net/phy/phylink.c' line='1330' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_get_eee_err' mangled-name='phylink_get_eee_err' filepath='drivers/net/phy/phylink.c' line='1712' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_get_eee_err'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1712' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_mac_change' mangled-name='phylink_mac_change' filepath='drivers/net/phy/phylink.c' line='1183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_mac_change'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1183' column='1'/>
+        <parameter type-id='b50a4934' name='up' filepath='drivers/net/phy/phylink.c' line='1183' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phylink_mii_ioctl' mangled-name='phylink_mii_ioctl' filepath='drivers/net/phy/phylink.c' line='1949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_mii_ioctl'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1949' column='1'/>
+        <parameter type-id='d494b97c' name='ifr' filepath='drivers/net/phy/phylink.c' line='1949' column='1'/>
+        <parameter type-id='95e97e5e' name='cmd' filepath='drivers/net/phy/phylink.c' line='1949' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_of_phy_connect' mangled-name='phylink_of_phy_connect' filepath='drivers/net/phy/phylink.c' line='1104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_of_phy_connect'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1104' column='1'/>
+        <parameter type-id='9a537bbe' name='dn' filepath='drivers/net/phy/phylink.c' line='1104' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/net/phy/phylink.c' line='1105' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_set_port_modes' mangled-name='phylink_set_port_modes' filepath='drivers/net/phy/phylink.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_set_port_modes'>
+        <parameter type-id='1d2c2b85' name='mask' filepath='drivers/net/phy/phylink.c' line='122' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phylink_speed_down' mangled-name='phylink_speed_down' filepath='drivers/net/phy/phylink.c' line='2021' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_speed_down'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='2021' column='1'/>
+        <parameter type-id='b50a4934' name='sync' filepath='drivers/net/phy/phylink.c' line='2021' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_speed_up' mangled-name='phylink_speed_up' filepath='drivers/net/phy/phylink.c' line='2044' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_speed_up'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='2044' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='phylink_start' mangled-name='phylink_start' filepath='drivers/net/phy/phylink.c' line='1209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_start'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1209' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='phylink_stop' mangled-name='phylink_stop' filepath='drivers/net/phy/phylink.c' line='1280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_stop'>
+        <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1280' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pid_task' mangled-name='pid_task' filepath='kernel/pid.c' line='399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pid_task'>
+        <parameter type-id='b94e5398' name='pid' filepath='kernel/pid.c' line='399' column='1'/>
+        <parameter type-id='ce78cf46' name='type' filepath='kernel/pid.c' line='399' column='1'/>
+        <return type-id='f23e2572'/>
+      </function-decl>
+      <function-decl name='pin_get_name' mangled-name='pin_get_name' filepath='drivers/pinctrl/core.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_get_name'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='167' column='1'/>
+        <parameter type-id='20f5f452' name='pin' filepath='drivers/pinctrl/core.c' line='167' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='pin_user_pages' mangled-name='pin_user_pages' filepath='mm/gup.c' line='2972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_user_pages'>
+        <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2972' column='1'/>
+        <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='2972' column='1'/>
+        <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2973' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2973' column='1'/>
+        <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='2974' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='pin_user_pages_fast' mangled-name='pin_user_pages_fast' filepath='mm/gup.c' line='2868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_user_pages_fast'>
+        <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2868' column='1'/>
+        <parameter type-id='95e97e5e' name='nr_pages' filepath='mm/gup.c' line='2868' column='1'/>
+        <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2869' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2869' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pin_user_pages_remote' mangled-name='pin_user_pages_remote' filepath='mm/gup.c' line='2939' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_user_pages_remote'>
+        <parameter type-id='df4b7819' name='mm' filepath='mm/gup.c' line='2939' column='1'/>
+        <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2940' column='1'/>
+        <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='2940' column='1'/>
+        <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2941' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2941' column='1'/>
+        <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='2942' column='1'/>
+        <parameter type-id='7292109c' name='locked' filepath='mm/gup.c' line='2942' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='pinconf_generic_dt_free_map' mangled-name='pinconf_generic_dt_free_map' filepath='drivers/pinctrl/pinconf-generic.c' line='409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinconf_generic_dt_free_map'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinconf-generic.c' line='409' column='1'/>
+        <parameter type-id='9638d26e' name='map' filepath='drivers/pinctrl/pinconf-generic.c' line='410' column='1'/>
+        <parameter type-id='f0981eeb' name='num_maps' filepath='drivers/pinctrl/pinconf-generic.c' line='411' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pinconf_generic_dt_node_to_map' mangled-name='pinconf_generic_dt_node_to_map' filepath='drivers/pinctrl/pinconf-generic.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinconf_generic_dt_node_to_map'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinconf-generic.c' line='376' column='1'/>
+        <parameter type-id='9a537bbe' name='np_config' filepath='drivers/pinctrl/pinconf-generic.c' line='377' column='1'/>
+        <parameter type-id='bf73010c' name='map' filepath='drivers/pinctrl/pinconf-generic.c' line='377' column='1'/>
+        <parameter type-id='807869d3' name='num_maps' filepath='drivers/pinctrl/pinconf-generic.c' line='378' column='1'/>
+        <parameter type-id='95da6d1c' name='type' filepath='drivers/pinctrl/pinconf-generic.c' line='378' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinconf_generic_parse_dt_config' mangled-name='pinconf_generic_parse_dt_config' filepath='drivers/pinctrl/pinconf-generic.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinconf_generic_parse_dt_config'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/pinctrl/pinconf-generic.c' line='239' column='1'/>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinconf-generic.c' line='240' column='1'/>
+        <parameter type-id='9b88c47d' name='configs' filepath='drivers/pinctrl/pinconf-generic.c' line='241' column='1'/>
+        <parameter type-id='807869d3' name='nconfigs' filepath='drivers/pinctrl/pinconf-generic.c' line='242' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_add_gpio_range' mangled-name='pinctrl_add_gpio_range' filepath='drivers/pinctrl/core.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_add_gpio_range'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='403' column='1'/>
+        <parameter type-id='e7faa6fb' name='range' filepath='drivers/pinctrl/core.c' line='404' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pinctrl_dev_get_drvdata' mangled-name='pinctrl_dev_get_drvdata' filepath='drivers/pinctrl/core.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_dev_get_drvdata'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='87' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='pinctrl_enable' mangled-name='pinctrl_enable' filepath='drivers/pinctrl/core.c' line='2072' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_enable'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='2072' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_find_gpio_range_from_pin' mangled-name='pinctrl_find_gpio_range_from_pin' filepath='drivers/pinctrl/core.c' line='491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_find_gpio_range_from_pin'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='491' column='1'/>
+        <parameter type-id='f0981eeb' name='pin' filepath='drivers/pinctrl/core.c' line='492' column='1'/>
+        <return type-id='e7faa6fb'/>
+      </function-decl>
+      <function-decl name='pinctrl_force_default' mangled-name='pinctrl_force_default' filepath='drivers/pinctrl/core.c' line='1491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_force_default'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='1491' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_force_sleep' mangled-name='pinctrl_force_sleep' filepath='drivers/pinctrl/core.c' line='1479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_force_sleep'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='1479' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_generic_add_group' mangled-name='pinctrl_generic_add_group' filepath='drivers/pinctrl/core.c' line='627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_add_group'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='627' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/pinctrl/core.c' line='627' column='1'/>
+        <parameter type-id='7292109c' name='pins' filepath='drivers/pinctrl/core.c' line='628' column='1'/>
+        <parameter type-id='95e97e5e' name='num_pins' filepath='drivers/pinctrl/core.c' line='628' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/pinctrl/core.c' line='628' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_generic_get_group' mangled-name='pinctrl_generic_get_group' filepath='drivers/pinctrl/core.c' line='583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='583' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/core.c' line='584' column='1'/>
+        <return type-id='ec488e1a'/>
+      </function-decl>
+      <function-decl name='pinctrl_generic_get_group_count' mangled-name='pinctrl_generic_get_group_count' filepath='drivers/pinctrl/core.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group_count'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='524' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_generic_get_group_name' mangled-name='pinctrl_generic_get_group_name' filepath='drivers/pinctrl/core.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group_name'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='535' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/core.c' line='536' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='pinctrl_generic_get_group_pins' mangled-name='pinctrl_generic_get_group_pins' filepath='drivers/pinctrl/core.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group_pins'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='556' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/core.c' line='557' column='1'/>
+        <parameter type-id='4e523966' name='pins' filepath='drivers/pinctrl/core.c' line='558' column='1'/>
+        <parameter type-id='807869d3' name='num_pins' filepath='drivers/pinctrl/core.c' line='559' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_get' mangled-name='pinctrl_get' filepath='drivers/pinctrl/core.c' line='1114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1114' column='1'/>
+        <return type-id='73ea90c5'/>
+      </function-decl>
+      <function-decl name='pinctrl_gpio_direction_input' mangled-name='pinctrl_gpio_direction_input' filepath='drivers/pinctrl/core.c' line='865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_gpio_direction_input'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/pinctrl/core.c' line='865' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_gpio_direction_output' mangled-name='pinctrl_gpio_direction_output' filepath='drivers/pinctrl/core.c' line='879' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_gpio_direction_output'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/pinctrl/core.c' line='879' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_gpio_free' mangled-name='pinctrl_gpio_free' filepath='drivers/pinctrl/core.c' line='812' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_gpio_free'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/pinctrl/core.c' line='812' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pinctrl_gpio_request' mangled-name='pinctrl_gpio_request' filepath='drivers/pinctrl/core.c' line='777' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_gpio_request'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/pinctrl/core.c' line='777' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_gpio_set_config' mangled-name='pinctrl_gpio_set_config' filepath='drivers/pinctrl/core.c' line='894' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_gpio_set_config'>
+        <parameter type-id='f0981eeb' name='gpio' filepath='drivers/pinctrl/core.c' line='894' column='1'/>
+        <parameter type-id='7359adad' name='config' filepath='drivers/pinctrl/core.c' line='894' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_lookup_state' mangled-name='pinctrl_lookup_state' filepath='drivers/pinctrl/core.c' line='1205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_lookup_state'>
+        <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1205' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/pinctrl/core.c' line='1206' column='1'/>
+        <return type-id='f418ceb3'/>
+      </function-decl>
+      <function-decl name='pinctrl_pm_select_default_state' mangled-name='pinctrl_pm_select_default_state' filepath='drivers/pinctrl/core.c' line='1565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_pm_select_default_state'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1565' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_pm_select_idle_state' mangled-name='pinctrl_pm_select_idle_state' filepath='drivers/pinctrl/core.c' line='1588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_pm_select_idle_state'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1588' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_pm_select_sleep_state' mangled-name='pinctrl_pm_select_sleep_state' filepath='drivers/pinctrl/core.c' line='1575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_pm_select_sleep_state'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1575' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_put' mangled-name='pinctrl_put' filepath='drivers/pinctrl/core.c' line='1194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_put'>
+        <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1194' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pinctrl_register' mangled-name='pinctrl_register' filepath='drivers/pinctrl/core.c' line='2109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_register'>
+        <parameter type-id='d4682107' name='pctldesc' filepath='drivers/pinctrl/core.c' line='2109' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='2110' column='1'/>
+        <parameter type-id='eaa32e2f' name='driver_data' filepath='drivers/pinctrl/core.c' line='2110' column='1'/>
+        <return type-id='10216dc5'/>
+      </function-decl>
+      <function-decl name='pinctrl_remove_gpio_range' mangled-name='pinctrl_remove_gpio_range' filepath='drivers/pinctrl/core.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_remove_gpio_range'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='509' column='1'/>
+        <parameter type-id='e7faa6fb' name='range' filepath='drivers/pinctrl/core.c' line='510' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pinctrl_select_default_state' mangled-name='pinctrl_select_default_state' filepath='drivers/pinctrl/core.c' line='1550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_select_default_state'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1550' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_select_state' mangled-name='pinctrl_select_state' filepath='drivers/pinctrl/core.c' line='1318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_select_state'>
+        <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1318' column='1'/>
+        <parameter type-id='f418ceb3' name='state' filepath='drivers/pinctrl/core.c' line='1318' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinctrl_utils_free_map' mangled-name='pinctrl_utils_free_map' filepath='drivers/pinctrl/pinctrl-utils.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_utils_free_map'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinctrl-utils.c' line='123' column='1'/>
+        <parameter type-id='9638d26e' name='map' filepath='drivers/pinctrl/pinctrl-utils.c' line='124' column='1'/>
+        <parameter type-id='f0981eeb' name='num_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='124' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pinmux_generic_add_function' mangled-name='pinmux_generic_add_function' filepath='drivers/pinctrl/pinmux.c' line='774' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_add_function'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='774' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/pinctrl/pinmux.c' line='775' column='1'/>
+        <parameter type-id='7d3cd834' name='groups' filepath='drivers/pinctrl/pinmux.c' line='776' column='1'/>
+        <parameter type-id='20f5f452' name='num_groups' filepath='drivers/pinctrl/pinmux.c' line='777' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/pinctrl/pinmux.c' line='778' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinmux_generic_get_function' mangled-name='pinmux_generic_get_function' filepath='drivers/pinctrl/pinmux.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='752' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/pinmux.c' line='753' column='1'/>
+        <return type-id='d06ad2cb'/>
+      </function-decl>
+      <function-decl name='pinmux_generic_get_function_count' mangled-name='pinmux_generic_get_function_count' filepath='drivers/pinctrl/pinmux.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function_count'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='693' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinmux_generic_get_function_groups' mangled-name='pinmux_generic_get_function_groups' filepath='drivers/pinctrl/pinmux.c' line='726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function_groups'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='726' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/pinmux.c' line='727' column='1'/>
+        <parameter type-id='472eb409' name='groups' filepath='drivers/pinctrl/pinmux.c' line='728' column='1'/>
+        <parameter type-id='de9ce8e8' name='num_groups' filepath='drivers/pinctrl/pinmux.c' line='729' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pinmux_generic_get_function_name' mangled-name='pinmux_generic_get_function_name' filepath='drivers/pinctrl/pinmux.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function_name'>
+        <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='705' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/pinmux.c' line='706' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='pipe_lock' mangled-name='pipe_lock' filepath='fs/pipe.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pipe_lock'>
+        <parameter type-id='15d29710' name='pipe' filepath='fs/pipe.c' line='84' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pipe_unlock' mangled-name='pipe_unlock' filepath='fs/pipe.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pipe_unlock'>
+        <parameter type-id='15d29710' name='pipe' filepath='fs/pipe.c' line='93' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pktgen_xfrm_outer_mode_output' mangled-name='pktgen_xfrm_outer_mode_output' filepath='net/xfrm/xfrm_output.c' line='406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pktgen_xfrm_outer_mode_output'>
+        <parameter type-id='328dda6e' name='x' filepath='net/xfrm/xfrm_output.c' line='406' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/xfrm/xfrm_output.c' line='406' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pkvm_iommu_finalize' mangled-name='pkvm_iommu_finalize' filepath='arch/arm64/kvm/iommu.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pkvm_iommu_finalize'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pkvm_iommu_resume' mangled-name='pkvm_iommu_resume' filepath='arch/arm64/kvm/iommu.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pkvm_iommu_resume'>
+        <parameter type-id='fa0b179b' name='dev' filepath='arch/arm64/kvm/iommu.c' line='52' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pkvm_iommu_s2mpu_register' mangled-name='pkvm_iommu_s2mpu_register' filepath='arch/arm64/kvm/iommu/s2mpu.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pkvm_iommu_s2mpu_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='arch/arm64/kvm/iommu/s2mpu.c' line='72' column='1'/>
+        <parameter type-id='2522883d' name='addr' filepath='arch/arm64/kvm/iommu/s2mpu.c' line='72' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pkvm_iommu_suspend' mangled-name='pkvm_iommu_suspend' filepath='arch/arm64/kvm/iommu.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pkvm_iommu_suspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='arch/arm64/kvm/iommu.c' line='45' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pkvm_iommu_sysmmu_sync_register' mangled-name='pkvm_iommu_sysmmu_sync_register' filepath='arch/arm64/kvm/iommu/s2mpu.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pkvm_iommu_sysmmu_sync_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='arch/arm64/kvm/iommu/s2mpu.c' line='104' column='1'/>
+        <parameter type-id='2522883d' name='addr' filepath='arch/arm64/kvm/iommu/s2mpu.c' line='104' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='arch/arm64/kvm/iommu/s2mpu.c' line='105' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='platform_bus' type-id='66e487eb' mangled-name='platform_bus' visibility='default' filepath='drivers/base/platform.c' line='38' column='1' elf-symbol-id='platform_bus'/>
+      <var-decl name='platform_bus_type' type-id='b31bfc8a' mangled-name='platform_bus_type' visibility='default' filepath='drivers/base/platform.c' line='1340' column='1' elf-symbol-id='platform_bus_type'/>
+      <function-decl name='platform_device_add' mangled-name='platform_device_add' filepath='drivers/base/platform.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='550' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_device_add_data' mangled-name='platform_device_add_data' filepath='drivers/base/platform.c' line='510' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add_data'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='510' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/platform.c' line='510' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/base/platform.c' line='511' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_device_add_properties' mangled-name='platform_device_add_properties' filepath='drivers/base/platform.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add_properties'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='536' column='1'/>
+        <parameter type-id='9e1d140c' name='properties' filepath='drivers/base/platform.c' line='537' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_device_add_resources' mangled-name='platform_device_add_resources' filepath='drivers/base/platform.c' line='482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add_resources'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='482' column='1'/>
+        <parameter type-id='e153f6de' name='res' filepath='drivers/base/platform.c' line='483' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='483' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_device_alloc' mangled-name='platform_device_alloc' filepath='drivers/base/platform.c' line='454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_alloc'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='454' column='1'/>
+        <parameter type-id='95e97e5e' name='id' filepath='drivers/base/platform.c' line='454' column='1'/>
+        <return type-id='db362995'/>
+      </function-decl>
+      <function-decl name='platform_device_del' mangled-name='platform_device_del' filepath='drivers/base/platform.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_del'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='640' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='platform_device_put' mangled-name='platform_device_put' filepath='drivers/base/platform.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_put'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='426' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='platform_device_register' mangled-name='platform_device_register' filepath='drivers/base/platform.c' line='665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_register'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='665' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_device_register_full' mangled-name='platform_device_register_full' filepath='drivers/base/platform.c' line='696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_register_full'>
+        <parameter type-id='91d6c443' name='pdevinfo' filepath='drivers/base/platform.c' line='697' column='1'/>
+        <return type-id='db362995'/>
+      </function-decl>
+      <function-decl name='platform_device_unregister' mangled-name='platform_device_unregister' filepath='drivers/base/platform.c' line='681' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_unregister'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='681' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='platform_driver_unregister' mangled-name='platform_driver_unregister' filepath='drivers/base/platform.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_driver_unregister'>
+        <parameter type-id='d53c2eb5' name='drv' filepath='drivers/base/platform.c' line='824' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='platform_find_device_by_driver' mangled-name='platform_find_device_by_driver' filepath='drivers/base/platform.c' line='1361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_find_device_by_driver'>
+        <parameter type-id='fa0b179b' name='start' filepath='drivers/base/platform.c' line='1361' column='1'/>
+        <parameter type-id='d5ddffb9' name='drv' filepath='drivers/base/platform.c' line='1362' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='platform_get_irq' mangled-name='platform_get_irq' filepath='drivers/base/platform.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='260' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='260' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_get_irq_byname' mangled-name='platform_get_irq_byname' filepath='drivers/base/platform.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq_byname'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='347' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='347' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_get_irq_byname_optional' mangled-name='platform_get_irq_byname_optional' filepath='drivers/base/platform.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq_byname_optional'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='369' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='370' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_get_irq_optional' mangled-name='platform_get_irq_optional' filepath='drivers/base/platform.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq_optional'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='172' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='172' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_get_resource' mangled-name='platform_get_resource' filepath='drivers/base/platform.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_resource'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='51' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='drivers/base/platform.c' line='52' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='52' column='1'/>
+        <return type-id='c9d64c0d'/>
+      </function-decl>
+      <function-decl name='platform_get_resource_byname' mangled-name='platform_get_resource_byname' filepath='drivers/base/platform.c' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_resource_byname'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='298' column='1'/>
+        <parameter type-id='f0981eeb' name='type' filepath='drivers/base/platform.c' line='299' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='300' column='1'/>
+        <return type-id='c9d64c0d'/>
+      </function-decl>
+      <function-decl name='platform_irq_count' mangled-name='platform_irq_count' filepath='drivers/base/platform.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_irq_count'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='278' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_irqchip_probe' mangled-name='platform_irqchip_probe' filepath='drivers/irqchip/irqchip.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_irqchip_probe'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/irqchip/irqchip.c' line='35' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='platform_unregister_drivers' mangled-name='platform_unregister_drivers' filepath='drivers/base/platform.c' line='1010' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_unregister_drivers'>
+        <parameter type-id='77e06080' name='drivers' filepath='drivers/base/platform.c' line='1010' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='drivers/base/platform.c' line='1011' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_clk_add' mangled-name='pm_clk_add' filepath='drivers/base/power/clock_ops.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_add'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='123' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/base/power/clock_ops.c' line='123' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_clk_add_clk' mangled-name='pm_clk_add_clk' filepath='drivers/base/power/clock_ops.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_add_clk'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='139' column='1'/>
+        <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/base/power/clock_ops.c' line='139' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_clk_create' mangled-name='pm_clk_create' filepath='drivers/base/power/clock_ops.c' line='350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_create'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='350' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_clk_destroy' mangled-name='pm_clk_destroy' filepath='drivers/base/power/clock_ops.c' line='364' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_destroy'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='364' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_clk_resume' mangled-name='pm_clk_resume' filepath='drivers/base/power/clock_ops.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_resume'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='426' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_clk_suspend' mangled-name='pm_clk_suspend' filepath='drivers/base/power/clock_ops.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_suspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='395' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_generic_runtime_resume' mangled-name='pm_generic_runtime_resume' filepath='drivers/base/power/generic_ops.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_generic_runtime_resume'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/generic_ops.c' line='39' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_generic_runtime_suspend' mangled-name='pm_generic_runtime_suspend' filepath='drivers/base/power/generic_ops.c' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_generic_runtime_suspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/generic_ops.c' line='20' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_genpd_add_subdomain' mangled-name='pm_genpd_add_subdomain' filepath='drivers/base/power/domain.c' line='1859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_add_subdomain'>
+        <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='1859' column='1'/>
+        <parameter type-id='855e3679' name='subdomain' filepath='drivers/base/power/domain.c' line='1860' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_genpd_init' mangled-name='pm_genpd_init' filepath='drivers/base/power/domain.c' line='1958' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_init'>
+        <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='1958' column='1'/>
+        <parameter type-id='5db9bd89' name='gov' filepath='drivers/base/power/domain.c' line='1959' column='1'/>
+        <parameter type-id='b50a4934' name='is_off' filepath='drivers/base/power/domain.c' line='1959' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_genpd_remove' mangled-name='pm_genpd_remove' filepath='drivers/base/power/domain.c' line='2086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_remove'>
+        <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='2086' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_genpd_remove_subdomain' mangled-name='pm_genpd_remove_subdomain' filepath='drivers/base/power/domain.c' line='1877' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_remove_subdomain'>
+        <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='1877' column='1'/>
+        <parameter type-id='855e3679' name='subdomain' filepath='drivers/base/power/domain.c' line='1878' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_get_active_wakeup_sources' mangled-name='pm_get_active_wakeup_sources' filepath='drivers/base/power/wakeup.c' line='879' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_get_active_wakeup_sources'>
+        <parameter type-id='26a90f95' name='pending_wakeup_source' filepath='drivers/base/power/wakeup.c' line='879' column='1'/>
+        <parameter type-id='b59d7dce' name='max' filepath='drivers/base/power/wakeup.c' line='879' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='pm_power_off' type-id='953b12f8' mangled-name='pm_power_off' visibility='default' filepath='arch/arm64/kernel/process.c' line='71' column='1' elf-symbol-id='pm_power_off'/>
+      <var-decl name='pm_power_off_prepare' type-id='953b12f8' mangled-name='pm_power_off_prepare' visibility='default' filepath='kernel/reboot.c' line='55' column='1' elf-symbol-id='pm_power_off_prepare'/>
+      <function-decl name='pm_relax' mangled-name='pm_relax' filepath='drivers/base/power/wakeup.c' line='777' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_relax'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='777' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_runtime_allow' mangled-name='pm_runtime_allow' filepath='drivers/base/power/runtime.c' line='1511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_allow'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1511' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_runtime_barrier' mangled-name='pm_runtime_barrier' filepath='drivers/base/power/runtime.c' line='1377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_barrier'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1377' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_runtime_enable' mangled-name='pm_runtime_enable' filepath='drivers/base/power/runtime.c' line='1455' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_enable'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1455' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_runtime_forbid' mangled-name='pm_runtime_forbid' filepath='drivers/base/power/runtime.c' line='1490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_forbid'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1490' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_runtime_force_resume' mangled-name='pm_runtime_force_resume' filepath='drivers/base/power/runtime.c' line='1864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_force_resume'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1864' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_runtime_force_suspend' mangled-name='pm_runtime_force_suspend' filepath='drivers/base/power/runtime.c' line='1816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_force_suspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1816' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_runtime_get_if_active' mangled-name='pm_runtime_get_if_active' filepath='drivers/base/power/runtime.c' line='1169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_get_if_active'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1169' column='1'/>
+        <parameter type-id='b50a4934' name='ign_usage_count' filepath='drivers/base/power/runtime.c' line='1169' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pm_runtime_irq_safe' mangled-name='pm_runtime_irq_safe' filepath='drivers/base/power/runtime.c' line='1557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_irq_safe'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1557' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_runtime_no_callbacks' mangled-name='pm_runtime_no_callbacks' filepath='drivers/base/power/runtime.c' line='1536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_no_callbacks'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1536' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_runtime_set_autosuspend_delay' mangled-name='pm_runtime_set_autosuspend_delay' filepath='drivers/base/power/runtime.c' line='1615' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_set_autosuspend_delay'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1615' column='1'/>
+        <parameter type-id='95e97e5e' name='delay' filepath='drivers/base/power/runtime.c' line='1615' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_stay_awake' mangled-name='pm_stay_awake' filepath='drivers/base/power/wakeup.c' line='668' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_stay_awake'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='668' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='pm_suspend_global_flags' type-id='f0981eeb' mangled-name='pm_suspend_global_flags' visibility='default' filepath='kernel/power/suspend.c' line='56' column='1' elf-symbol-id='pm_suspend_global_flags'/>
+      <function-decl name='pm_system_wakeup' mangled-name='pm_system_wakeup' filepath='drivers/base/power/wakeup.c' line='972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_system_wakeup'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_wakeup_dev_event' mangled-name='pm_wakeup_dev_event' filepath='drivers/base/power/wakeup.c' line='866' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_wakeup_dev_event'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='866' column='1'/>
+        <parameter type-id='f0981eeb' name='msec' filepath='drivers/base/power/wakeup.c' line='866' column='1'/>
+        <parameter type-id='b50a4934' name='hard' filepath='drivers/base/power/wakeup.c' line='866' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pm_wakeup_ws_event' mangled-name='pm_wakeup_ws_event' filepath='drivers/base/power/wakeup.c' line='827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_wakeup_ws_event'>
+        <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='827' column='1'/>
+        <parameter type-id='f0981eeb' name='msec' filepath='drivers/base/power/wakeup.c' line='827' column='1'/>
+        <parameter type-id='b50a4934' name='hard' filepath='drivers/base/power/wakeup.c' line='827' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='pm_wq' type-id='242e3d19' mangled-name='pm_wq' visibility='default' filepath='kernel/power/main.c' line='934' column='1' elf-symbol-id='pm_wq'/>
+      <function-decl name='policy_has_boost_freq' mangled-name='policy_has_boost_freq' filepath='drivers/cpufreq/freq_table.c' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='policy_has_boost_freq'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/freq_table.c' line='18' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='posix_clock_register' mangled-name='posix_clock_register' filepath='kernel/time/posix-clock.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='posix_clock_register'>
+        <parameter type-id='11777d05' name='clk' filepath='kernel/time/posix-clock.c' line='162' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='kernel/time/posix-clock.c' line='162' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='posix_clock_unregister' mangled-name='posix_clock_unregister' filepath='kernel/time/posix-clock.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='posix_clock_unregister'>
+        <parameter type-id='11777d05' name='clk' filepath='kernel/time/posix-clock.c' line='182' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='power_supply_am_i_supplied' mangled-name='power_supply_am_i_supplied' filepath='drivers/power/supply/power_supply_core.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_am_i_supplied'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='334' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='power_supply_changed' mangled-name='power_supply_changed' filepath='drivers/power/supply/power_supply_core.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_changed'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='121' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='power_supply_class' type-id='67aca04f' mangled-name='power_supply_class' visibility='default' filepath='drivers/power/supply/power_supply_core.c' line='27' column='1' elf-symbol-id='power_supply_class'/>
+      <function-decl name='power_supply_get_battery_info' mangled-name='power_supply_get_battery_info' filepath='drivers/power/supply/power_supply_core.c' line='650' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_battery_info'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='650' column='1'/>
+        <parameter type-id='78ba63ff' name='info' filepath='drivers/power/supply/power_supply_core.c' line='651' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='power_supply_get_by_name' mangled-name='power_supply_get_by_name' filepath='drivers/power/supply/power_supply_core.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_by_name'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/power/supply/power_supply_core.c' line='465' column='1'/>
+        <return type-id='c0c93c9e'/>
+      </function-decl>
+      <function-decl name='power_supply_get_by_phandle' mangled-name='power_supply_get_by_phandle' filepath='drivers/power/supply/power_supply_core.c' line='514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_by_phandle'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/power/supply/power_supply_core.c' line='514' column='1'/>
+        <parameter type-id='80f4b756' name='property' filepath='drivers/power/supply/power_supply_core.c' line='515' column='1'/>
+        <return type-id='c0c93c9e'/>
+      </function-decl>
+      <function-decl name='power_supply_get_by_phandle_array' mangled-name='power_supply_get_by_phandle_array' filepath='drivers/power/supply/power_supply_core.c' line='581' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_by_phandle_array'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/power/supply/power_supply_core.c' line='581' column='1'/>
+        <parameter type-id='80f4b756' name='property' filepath='drivers/power/supply/power_supply_core.c' line='582' column='1'/>
+        <parameter type-id='30ca8f5c' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='583' column='1'/>
+        <parameter type-id='79a0948f' name='size' filepath='drivers/power/supply/power_supply_core.c' line='584' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='power_supply_get_drvdata' mangled-name='power_supply_get_drvdata' filepath='drivers/power/supply/power_supply_core.c' line='1450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_drvdata'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='1450' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='power_supply_get_property' mangled-name='power_supply_get_property' filepath='drivers/power/supply/power_supply_core.c' line='958' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_property'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='958' column='1'/>
+        <parameter type-id='5f78aa17' name='psp' filepath='drivers/power/supply/power_supply_core.c' line='959' column='1'/>
+        <parameter type-id='2e53d20f' name='val' filepath='drivers/power/supply/power_supply_core.c' line='960' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='power_supply_is_system_supplied' mangled-name='power_supply_is_system_supplied' filepath='drivers/power/supply/power_supply_core.c' line='370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_is_system_supplied'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='power_supply_put' mangled-name='power_supply_put' filepath='drivers/power/supply/power_supply_core.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_put'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='487' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='power_supply_put_battery_info' mangled-name='power_supply_put_battery_info' filepath='drivers/power/supply/power_supply_core.c' line='825' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_put_battery_info'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='825' column='1'/>
+        <parameter type-id='78ba63ff' name='info' filepath='drivers/power/supply/power_supply_core.c' line='826' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='power_supply_reg_notifier' mangled-name='power_supply_reg_notifier' filepath='drivers/power/supply/power_supply_core.c' line='1017' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_reg_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/power/supply/power_supply_core.c' line='1017' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='power_supply_register' mangled-name='power_supply_register' filepath='drivers/power/supply/power_supply_core.c' line='1317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_register'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/power/supply/power_supply_core.c' line='1317' column='1'/>
+        <parameter type-id='cb9cd99f' name='desc' filepath='drivers/power/supply/power_supply_core.c' line='1318' column='1'/>
+        <parameter type-id='048b3ad6' name='cfg' filepath='drivers/power/supply/power_supply_core.c' line='1319' column='1'/>
+        <return type-id='c0c93c9e'/>
+      </function-decl>
+      <function-decl name='power_supply_set_property' mangled-name='power_supply_set_property' filepath='drivers/power/supply/power_supply_core.c' line='972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_set_property'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='972' column='1'/>
+        <parameter type-id='5f78aa17' name='psp' filepath='drivers/power/supply/power_supply_core.c' line='973' column='1'/>
+        <parameter type-id='f3abafd4' name='val' filepath='drivers/power/supply/power_supply_core.c' line='974' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='power_supply_unreg_notifier' mangled-name='power_supply_unreg_notifier' filepath='drivers/power/supply/power_supply_core.c' line='1023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_unreg_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/power/supply/power_supply_core.c' line='1023' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='power_supply_unregister' mangled-name='power_supply_unregister' filepath='drivers/power/supply/power_supply_core.c' line='1434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_unregister'>
+        <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='1434' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='prandom_bytes' mangled-name='prandom_bytes' filepath='lib/random32.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prandom_bytes'>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/random32.c' line='400' column='1'/>
+        <parameter type-id='b59d7dce' name='bytes' filepath='lib/random32.c' line='400' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='prandom_u32' mangled-name='prandom_u32' filepath='lib/random32.c' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prandom_u32'>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='preempt_schedule' mangled-name='preempt_schedule' filepath='kernel/sched/core.c' line='4979' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='preempt_schedule'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='preempt_schedule_notrace' mangled-name='preempt_schedule_notrace' filepath='kernel/sched/core.c' line='5007' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='preempt_schedule_notrace'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='prepare_to_wait' mangled-name='prepare_to_wait' filepath='kernel/sched/wait.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prepare_to_wait'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='250' column='1'/>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='250' column='1'/>
+        <parameter type-id='95e97e5e' name='state' filepath='kernel/sched/wait.c' line='250' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='prepare_to_wait_event' mangled-name='prepare_to_wait_event' filepath='kernel/sched/wait.c' line='291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prepare_to_wait_event'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='291' column='1'/>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='291' column='1'/>
+        <parameter type-id='95e97e5e' name='state' filepath='kernel/sched/wait.c' line='291' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='print_hex_dump' mangled-name='print_hex_dump' filepath='lib/hexdump.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='print_hex_dump'>
+        <parameter type-id='80f4b756' name='level' filepath='lib/hexdump.c' line='269' column='1'/>
+        <parameter type-id='80f4b756' name='prefix_str' filepath='lib/hexdump.c' line='269' column='1'/>
+        <parameter type-id='95e97e5e' name='prefix_type' filepath='lib/hexdump.c' line='269' column='1'/>
+        <parameter type-id='95e97e5e' name='rowsize' filepath='lib/hexdump.c' line='270' column='1'/>
+        <parameter type-id='95e97e5e' name='groupsize' filepath='lib/hexdump.c' line='270' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/hexdump.c' line='271' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='lib/hexdump.c' line='271' column='1'/>
+        <parameter type-id='b50a4934' name='ascii' filepath='lib/hexdump.c' line='271' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='printk' mangled-name='printk' filepath='kernel/printk/printk.c' line='2105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='printk'>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='2105' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='printk_deferred' mangled-name='printk_deferred' filepath='kernel/printk/printk.c' line='3115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='printk_deferred'>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='3115' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='printk_timed_ratelimit' mangled-name='printk_timed_ratelimit' filepath='kernel/printk/printk.c' line='3151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='printk_timed_ratelimit'>
+        <parameter type-id='1d2c2b85' name='caller_jiffies' filepath='kernel/printk/printk.c' line='3151' column='1'/>
+        <parameter type-id='f0981eeb' name='interval_msecs' filepath='kernel/printk/printk.c' line='3152' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='proc_create' mangled-name='proc_create' filepath='fs/proc/generic.c' line='587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='587' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='587' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='588' column='1'/>
+        <parameter type-id='33d70f0f' name='proc_ops' filepath='fs/proc/generic.c' line='589' column='1'/>
+        <return type-id='d077e928'/>
+      </function-decl>
+      <function-decl name='proc_create_data' mangled-name='proc_create_data' filepath='fs/proc/generic.c' line='572' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create_data'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='572' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='572' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='573' column='1'/>
+        <parameter type-id='33d70f0f' name='proc_ops' filepath='fs/proc/generic.c' line='574' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='574' column='1'/>
+        <return type-id='d077e928'/>
+      </function-decl>
+      <function-decl name='proc_create_seq_private' mangled-name='proc_create_seq_private' filepath='fs/proc/generic.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create_seq_private'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='621' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='621' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='622' column='1'/>
+        <parameter type-id='943a1b48' name='ops' filepath='fs/proc/generic.c' line='622' column='1'/>
+        <parameter type-id='f0981eeb' name='state_size' filepath='fs/proc/generic.c' line='623' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='623' column='1'/>
+        <return type-id='d077e928'/>
+      </function-decl>
+      <function-decl name='proc_create_single_data' mangled-name='proc_create_single_data' filepath='fs/proc/generic.c' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create_single_data'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='652' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='652' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='653' column='1'/>
+        <parameter type-id='0131eb61' name='show' filepath='fs/proc/generic.c' line='654' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='654' column='1'/>
+        <return type-id='d077e928'/>
+      </function-decl>
+      <function-decl name='proc_dointvec' mangled-name='proc_dointvec' filepath='kernel/sysctl.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_dointvec'>
+        <parameter type-id='631dc3c1' name='table' filepath='kernel/sysctl.c' line='823' column='1'/>
+        <parameter type-id='95e97e5e' name='write' filepath='kernel/sysctl.c' line='823' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='kernel/sysctl.c' line='823' column='1'/>
+        <parameter type-id='78c01427' name='lenp' filepath='kernel/sysctl.c' line='824' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='kernel/sysctl.c' line='824' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='proc_dostring' mangled-name='proc_dostring' filepath='kernel/sysctl.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_dostring'>
+        <parameter type-id='631dc3c1' name='table' filepath='kernel/sysctl.c' line='380' column='1'/>
+        <parameter type-id='95e97e5e' name='write' filepath='kernel/sysctl.c' line='380' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='kernel/sysctl.c' line='381' column='1'/>
+        <parameter type-id='78c01427' name='lenp' filepath='kernel/sysctl.c' line='381' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='kernel/sysctl.c' line='381' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='proc_douintvec_minmax' mangled-name='proc_douintvec_minmax' filepath='kernel/sysctl.c' line='1049' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_douintvec_minmax'>
+        <parameter type-id='631dc3c1' name='table' filepath='kernel/sysctl.c' line='1049' column='1'/>
+        <parameter type-id='95e97e5e' name='write' filepath='kernel/sysctl.c' line='1049' column='1'/>
+        <parameter type-id='eaa32e2f' name='buffer' filepath='kernel/sysctl.c' line='1050' column='1'/>
+        <parameter type-id='78c01427' name='lenp' filepath='kernel/sysctl.c' line='1050' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='kernel/sysctl.c' line='1050' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='proc_get_parent_data' mangled-name='proc_get_parent_data' filepath='fs/proc/generic.c' line='788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_get_parent_data'>
+        <parameter type-id='c5a4eb7f' name='inode' filepath='fs/proc/generic.c' line='788' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='proc_mkdir' mangled-name='proc_mkdir' filepath='fs/proc/generic.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_mkdir'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='523' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='524' column='1'/>
+        <return type-id='d077e928'/>
+      </function-decl>
+      <function-decl name='proc_mkdir_data' mangled-name='proc_mkdir_data' filepath='fs/proc/generic.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_mkdir_data'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='509' column='1'/>
+        <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='509' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='510' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='510' column='1'/>
+        <return type-id='d077e928'/>
+      </function-decl>
+      <function-decl name='proc_remove' mangled-name='proc_remove' filepath='fs/proc/generic.c' line='795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_remove'>
+        <parameter type-id='d077e928' name='de' filepath='fs/proc/generic.c' line='795' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='proc_set_size' mangled-name='proc_set_size' filepath='fs/proc/generic.c' line='667' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_set_size'>
+        <parameter type-id='d077e928' name='de' filepath='fs/proc/generic.c' line='667' column='1'/>
+        <parameter type-id='69bf7bee' name='size' filepath='fs/proc/generic.c' line='667' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='proc_set_user' mangled-name='proc_set_user' filepath='fs/proc/generic.c' line='673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_set_user'>
+        <parameter type-id='d077e928' name='de' filepath='fs/proc/generic.c' line='673' column='1'/>
+        <parameter type-id='d80b72e6' name='uid' filepath='fs/proc/generic.c' line='673' column='1'/>
+        <parameter type-id='094d8048' name='gid' filepath='fs/proc/generic.c' line='673' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='proc_symlink' mangled-name='proc_symlink' filepath='fs/proc/generic.c' line='464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_symlink'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='464' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='465' column='1'/>
+        <parameter type-id='80f4b756' name='dest' filepath='fs/proc/generic.c' line='465' column='1'/>
+        <return type-id='d077e928'/>
+      </function-decl>
+      <function-decl name='proto_register' mangled-name='proto_register' filepath='net/core/sock.c' line='3518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proto_register'>
+        <parameter type-id='d2524501' name='prot' filepath='net/core/sock.c' line='3518' column='1'/>
+        <parameter type-id='95e97e5e' name='alloc_slab' filepath='net/core/sock.c' line='3518' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='proto_unregister' mangled-name='proto_unregister' filepath='net/core/sock.c' line='3582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proto_unregister'>
+        <parameter type-id='d2524501' name='prot' filepath='net/core/sock.c' line='3582' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ps2_begin_command' mangled-name='ps2_begin_command' filepath='drivers/input/serio/libps2.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_begin_command'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='101' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ps2_cmd_aborted' mangled-name='ps2_cmd_aborted' filepath='drivers/input/serio/libps2.c' line='480' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_cmd_aborted'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='480' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ps2_command' mangled-name='ps2_command' filepath='drivers/input/serio/libps2.c' line='327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_command'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='327' column='1'/>
+        <parameter type-id='8bff8096' name='param' filepath='drivers/input/serio/libps2.c' line='327' column='1'/>
+        <parameter type-id='f0981eeb' name='command' filepath='drivers/input/serio/libps2.c' line='327' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ps2_drain' mangled-name='ps2_drain' filepath='drivers/input/serio/libps2.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_drain'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='122' column='1'/>
+        <parameter type-id='b59d7dce' name='maxbytes' filepath='drivers/input/serio/libps2.c' line='122' column='1'/>
+        <parameter type-id='f0981eeb' name='timeout' filepath='drivers/input/serio/libps2.c' line='122' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ps2_end_command' mangled-name='ps2_end_command' filepath='drivers/input/serio/libps2.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_end_command'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='109' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ps2_handle_ack' mangled-name='ps2_handle_ack' filepath='drivers/input/serio/libps2.c' line='390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_handle_ack'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='390' column='1'/>
+        <parameter type-id='f9b06939' name='data' filepath='drivers/input/serio/libps2.c' line='390' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ps2_handle_response' mangled-name='ps2_handle_response' filepath='drivers/input/serio/libps2.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_handle_response'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='460' column='1'/>
+        <parameter type-id='f9b06939' name='data' filepath='drivers/input/serio/libps2.c' line='460' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='ps2_init' mangled-name='ps2_init' filepath='drivers/input/serio/libps2.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_init'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='376' column='1'/>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/libps2.c' line='376' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ps2_sendbyte' mangled-name='ps2_sendbyte' filepath='drivers/input/serio/libps2.c' line='86' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_sendbyte'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='86' column='1'/>
+        <parameter type-id='f9b06939' name='byte' filepath='drivers/input/serio/libps2.c' line='86' column='1'/>
+        <parameter type-id='f0981eeb' name='timeout' filepath='drivers/input/serio/libps2.c' line='86' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ps2_sliced_command' mangled-name='ps2_sliced_command' filepath='drivers/input/serio/libps2.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_sliced_command'>
+        <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='347' column='1'/>
+        <parameter type-id='f9b06939' name='command' filepath='drivers/input/serio/libps2.c' line='347' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pskb_expand_head' mangled-name='pskb_expand_head' filepath='net/core/skbuff.c' line='1630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pskb_expand_head'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1630' column='1'/>
+        <parameter type-id='95e97e5e' name='nhead' filepath='net/core/skbuff.c' line='1630' column='1'/>
+        <parameter type-id='95e97e5e' name='ntail' filepath='net/core/skbuff.c' line='1630' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1631' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='put_device' mangled-name='put_device' filepath='drivers/base/core.c' line='3350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_device'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3350' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='put_disk' mangled-name='put_disk' filepath='block/genhd.c' line='1812' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_disk'>
+        <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='1812' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='put_iova_domain' mangled-name='put_iova_domain' filepath='drivers/iommu/iova.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_iova_domain'>
+        <parameter type-id='0c2c419d' name='iovad' filepath='drivers/iommu/iova.c' line='693' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='put_pid' mangled-name='put_pid' filepath='kernel/pid.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_pid'>
+        <parameter type-id='b94e5398' name='pid' filepath='kernel/pid.c' line='108' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='put_sg_io_hdr' mangled-name='put_sg_io_hdr' filepath='block/scsi_ioctl.c' line='548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_sg_io_hdr'>
+        <parameter type-id='8a390024' name='hdr' filepath='block/scsi_ioctl.c' line='548' column='1'/>
+        <parameter type-id='eaa32e2f' name='argp' filepath='block/scsi_ioctl.c' line='548' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='put_tty_driver' mangled-name='put_tty_driver' filepath='drivers/tty/tty_io.c' line='3400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_tty_driver'>
+        <parameter type-id='c2b4b27b' name='d' filepath='drivers/tty/tty_io.c' line='3400' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='put_unused_fd' mangled-name='put_unused_fd' filepath='fs/file.c' line='606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_unused_fd'>
+        <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='606' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='put_vaddr_frames' mangled-name='put_vaddr_frames' filepath='mm/frame_vector.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_vaddr_frames'>
+        <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='106' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pwm_adjust_config' mangled-name='pwm_adjust_config' filepath='drivers/pwm/core.c' line='695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_adjust_config'>
+        <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='695' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pwm_apply_state' mangled-name='pwm_apply_state' filepath='drivers/pwm/core.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_apply_state'>
+        <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='574' column='1'/>
+        <parameter type-id='73a11e20' name='state' filepath='drivers/pwm/core.c' line='574' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pwm_free' mangled-name='pwm_free' filepath='drivers/pwm/core.c' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_free'>
+        <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='462' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='pwm_get_chip_data' mangled-name='pwm_get_chip_data' filepath='drivers/pwm/core.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_get_chip_data'>
+        <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='232' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='pwm_request' mangled-name='pwm_request' filepath='drivers/pwm/core.c' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_request'>
+        <parameter type-id='95e97e5e' name='pwm' filepath='drivers/pwm/core.c' line='397' column='1'/>
+        <parameter type-id='80f4b756' name='label' filepath='drivers/pwm/core.c' line='397' column='1'/>
+        <return type-id='f06adae0'/>
+      </function-decl>
+      <function-decl name='pwm_set_chip_data' mangled-name='pwm_set_chip_data' filepath='drivers/pwm/core.c' line='215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_set_chip_data'>
+        <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='215' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/pwm/core.c' line='215' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pwmchip_add' mangled-name='pwmchip_add' filepath='drivers/pwm/core.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwmchip_add'>
+        <parameter type-id='00cf0c80' name='chip' filepath='drivers/pwm/core.c' line='341' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='pwmchip_remove' mangled-name='pwmchip_remove' filepath='drivers/pwm/core.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwmchip_remove'>
+        <parameter type-id='00cf0c80' name='chip' filepath='drivers/pwm/core.c' line='356' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='qcom_smem_state_get' mangled-name='qcom_smem_state_get' filepath='drivers/soc/qcom/smem_state.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/soc/qcom/smem_state.c' line='88' column='1'/>
+        <parameter type-id='80f4b756' name='con_id' filepath='drivers/soc/qcom/smem_state.c' line='89' column='1'/>
+        <parameter type-id='807869d3' name='bit' filepath='drivers/soc/qcom/smem_state.c' line='90' column='1'/>
+        <return type-id='01df4674'/>
+      </function-decl>
+      <function-decl name='qcom_smem_state_register' mangled-name='qcom_smem_state_register' filepath='drivers/soc/qcom/smem_state.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_register'>
+        <parameter type-id='9a537bbe' name='of_node' filepath='drivers/soc/qcom/smem_state.c' line='161' column='1'/>
+        <parameter type-id='b86c9da0' name='ops' filepath='drivers/soc/qcom/smem_state.c' line='162' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/soc/qcom/smem_state.c' line='163' column='1'/>
+        <return type-id='01df4674'/>
+      </function-decl>
+      <function-decl name='qcom_smem_state_unregister' mangled-name='qcom_smem_state_unregister' filepath='drivers/soc/qcom/smem_state.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_unregister'>
+        <parameter type-id='01df4674' name='state' filepath='drivers/soc/qcom/smem_state.c' line='189' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='qcom_smem_state_update_bits' mangled-name='qcom_smem_state_update_bits' filepath='drivers/soc/qcom/smem_state.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_update_bits'>
+        <parameter type-id='01df4674' name='state' filepath='drivers/soc/qcom/smem_state.c' line='45' column='1'/>
+        <parameter type-id='19c2251e' name='mask' filepath='drivers/soc/qcom/smem_state.c' line='46' column='1'/>
+        <parameter type-id='19c2251e' name='value' filepath='drivers/soc/qcom/smem_state.c' line='47' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='queue_delayed_work_on' mangled-name='queue_delayed_work_on' filepath='kernel/workqueue.c' line='1697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='queue_delayed_work_on'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/workqueue.c' line='1697' column='1'/>
+        <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='1697' column='1'/>
+        <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='1698' column='1'/>
+        <parameter type-id='7359adad' name='delay' filepath='kernel/workqueue.c' line='1698' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='queue_work_on' mangled-name='queue_work_on' filepath='kernel/workqueue.c' line='1536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='queue_work_on'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/workqueue.c' line='1536' column='1'/>
+        <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='1536' column='1'/>
+        <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='1537' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='radix_tree_delete' mangled-name='radix_tree_delete' filepath='lib/radix-tree.c' line='1442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_delete'>
+        <parameter type-id='60075f2a' name='root' filepath='lib/radix-tree.c' line='1442' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/radix-tree.c' line='1442' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='radix_tree_delete_item' mangled-name='radix_tree_delete_item' filepath='lib/radix-tree.c' line='1410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_delete_item'>
+        <parameter type-id='60075f2a' name='root' filepath='lib/radix-tree.c' line='1410' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/radix-tree.c' line='1411' column='1'/>
+        <parameter type-id='eaa32e2f' name='item' filepath='lib/radix-tree.c' line='1411' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='radix_tree_gang_lookup' mangled-name='radix_tree_gang_lookup' filepath='lib/radix-tree.c' line='1259' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_gang_lookup'>
+        <parameter type-id='bb0f13d1' name='root' filepath='lib/radix-tree.c' line='1259' column='1'/>
+        <parameter type-id='63e171df' name='results' filepath='lib/radix-tree.c' line='1259' column='1'/>
+        <parameter type-id='7359adad' name='first_index' filepath='lib/radix-tree.c' line='1260' column='1'/>
+        <parameter type-id='f0981eeb' name='max_items' filepath='lib/radix-tree.c' line='1260' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='radix_tree_insert' mangled-name='radix_tree_insert' filepath='lib/radix-tree.c' line='701' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_insert'>
+        <parameter type-id='60075f2a' name='root' filepath='lib/radix-tree.c' line='701' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/radix-tree.c' line='701' column='1'/>
+        <parameter type-id='eaa32e2f' name='item' filepath='lib/radix-tree.c' line='702' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='radix_tree_iter_delete' mangled-name='radix_tree_iter_delete' filepath='lib/radix-tree.c' line='1391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_iter_delete'>
+        <parameter type-id='60075f2a' name='root' filepath='lib/radix-tree.c' line='1391' column='1'/>
+        <parameter type-id='0cbbabe1' name='iter' filepath='lib/radix-tree.c' line='1392' column='1'/>
+        <parameter type-id='63e171df' name='slot' filepath='lib/radix-tree.c' line='1392' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='radix_tree_iter_resume' mangled-name='radix_tree_iter_resume' filepath='lib/radix-tree.c' line='1133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_iter_resume'>
+        <parameter type-id='63e171df' name='slot' filepath='lib/radix-tree.c' line='1133' column='1'/>
+        <parameter type-id='0cbbabe1' name='iter' filepath='lib/radix-tree.c' line='1134' column='1'/>
+        <return type-id='63e171df'/>
+      </function-decl>
+      <function-decl name='radix_tree_lookup' mangled-name='radix_tree_lookup' filepath='lib/radix-tree.c' line='815' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_lookup'>
+        <parameter type-id='bb0f13d1' name='root' filepath='lib/radix-tree.c' line='815' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/radix-tree.c' line='815' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='radix_tree_next_chunk' mangled-name='radix_tree_next_chunk' filepath='lib/radix-tree.c' line='1151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_next_chunk'>
+        <parameter type-id='bb0f13d1' name='root' filepath='lib/radix-tree.c' line='1151' column='1'/>
+        <parameter type-id='0cbbabe1' name='iter' filepath='lib/radix-tree.c' line='1152' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='lib/radix-tree.c' line='1152' column='1'/>
+        <return type-id='63e171df'/>
+      </function-decl>
+      <function-decl name='radix_tree_preload' mangled-name='radix_tree_preload' filepath='lib/radix-tree.c' line='363' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_preload'>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/radix-tree.c' line='363' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rational_best_approximation' mangled-name='rational_best_approximation' filepath='lib/math/rational.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rational_best_approximation'>
+        <parameter type-id='7359adad' name='given_numerator' filepath='lib/math/rational.c' line='35' column='1'/>
+        <parameter type-id='7359adad' name='given_denominator' filepath='lib/math/rational.c' line='35' column='1'/>
+        <parameter type-id='7359adad' name='max_numerator' filepath='lib/math/rational.c' line='36' column='1'/>
+        <parameter type-id='7359adad' name='max_denominator' filepath='lib/math/rational.c' line='36' column='1'/>
+        <parameter type-id='1d2c2b85' name='best_numerator' filepath='lib/math/rational.c' line='37' column='1'/>
+        <parameter type-id='1d2c2b85' name='best_denominator' filepath='lib/math/rational.c' line='37' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='raw_notifier_call_chain' mangled-name='raw_notifier_call_chain' filepath='kernel/notifier.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='raw_notifier_call_chain'>
+        <parameter type-id='dc20ab67' name='nh' filepath='kernel/notifier.c' line='407' column='1'/>
+        <parameter type-id='7359adad' name='val' filepath='kernel/notifier.c' line='408' column='1'/>
+        <parameter type-id='eaa32e2f' name='v' filepath='kernel/notifier.c' line='408' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='raw_notifier_chain_register' mangled-name='raw_notifier_chain_register' filepath='kernel/notifier.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='raw_notifier_chain_register'>
+        <parameter type-id='dc20ab67' name='nh' filepath='kernel/notifier.c' line='359' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='360' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='raw_notifier_chain_unregister' mangled-name='raw_notifier_chain_unregister' filepath='kernel/notifier.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='raw_notifier_chain_unregister'>
+        <parameter type-id='dc20ab67' name='nh' filepath='kernel/notifier.c' line='376' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='377' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rb_erase' mangled-name='rb_erase' filepath='lib/rbtree.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rb_erase'>
+        <parameter type-id='e6532500' name='node' filepath='lib/rbtree.c' line='440' column='1'/>
+        <parameter type-id='c5bcc2c0' name='root' filepath='lib/rbtree.c' line='440' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rb_first' mangled-name='rb_first' filepath='lib/rbtree.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rb_first'>
+        <parameter type-id='c4139a7d' name='root' filepath='lib/rbtree.c' line='466' column='1'/>
+        <return type-id='e6532500'/>
+      </function-decl>
+      <function-decl name='rb_insert_color' mangled-name='rb_insert_color' filepath='lib/rbtree.c' line='434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rb_insert_color'>
+        <parameter type-id='e6532500' name='node' filepath='lib/rbtree.c' line='434' column='1'/>
+        <parameter type-id='c5bcc2c0' name='root' filepath='lib/rbtree.c' line='434' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rb_next' mangled-name='rb_next' filepath='lib/rbtree.c' line='492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rb_next'>
+        <parameter type-id='47b73425' name='node' filepath='lib/rbtree.c' line='492' column='1'/>
+        <return type-id='e6532500'/>
+      </function-decl>
+      <function-decl name='rb_prev' mangled-name='rb_prev' filepath='lib/rbtree.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rb_prev'>
+        <parameter type-id='47b73425' name='node' filepath='lib/rbtree.c' line='524' column='1'/>
+        <return type-id='e6532500'/>
+      </function-decl>
+      <function-decl name='rb_replace_node' mangled-name='rb_replace_node' filepath='lib/rbtree.c' line='553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rb_replace_node'>
+        <parameter type-id='e6532500' name='victim' filepath='lib/rbtree.c' line='553' column='1'/>
+        <parameter type-id='e6532500' name='new' filepath='lib/rbtree.c' line='553' column='1'/>
+        <parameter type-id='c5bcc2c0' name='root' filepath='lib/rbtree.c' line='554' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rc_keydown' mangled-name='rc_keydown' filepath='drivers/media/rc/rc-main.c' line='848' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rc_keydown'>
+        <parameter type-id='75ae4804' name='dev' filepath='drivers/media/rc/rc-main.c' line='848' column='1'/>
+        <parameter type-id='17862576' name='protocol' filepath='drivers/media/rc/rc-main.c' line='848' column='1'/>
+        <parameter type-id='91ce1af9' name='scancode' filepath='drivers/media/rc/rc-main.c' line='848' column='1'/>
+        <parameter type-id='f9b06939' name='toggle' filepath='drivers/media/rc/rc-main.c' line='849' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rc_repeat' mangled-name='rc_repeat' filepath='drivers/media/rc/rc-main.c' line='737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rc_repeat'>
+        <parameter type-id='75ae4804' name='dev' filepath='drivers/media/rc/rc-main.c' line='737' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rcu_barrier' mangled-name='rcu_barrier' filepath='kernel/rcu/tree.c' line='3881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_barrier'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rcuwait_wake_up' mangled-name='rcuwait_wake_up' filepath='kernel/exit.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcuwait_wake_up'>
+        <parameter type-id='9b25216e' name='w' filepath='kernel/exit.c' line='280' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rdev_get_dev' mangled-name='rdev_get_dev' filepath='drivers/regulator/core.c' line='5666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rdev_get_dev'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5666' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='rdev_get_drvdata' mangled-name='rdev_get_drvdata' filepath='drivers/regulator/core.c' line='5626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rdev_get_drvdata'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5626' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='rdev_get_id' mangled-name='rdev_get_id' filepath='drivers/regulator/core.c' line='5660' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rdev_get_id'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5660' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='reboot_mode' type-id='fdb20761' mangled-name='reboot_mode' visibility='default' filepath='kernel/reboot.c' line='34' column='1' elf-symbol-id='reboot_mode'/>
+      <function-decl name='reciprocal_value' mangled-name='reciprocal_value' filepath='lib/math/reciprocal_div.c' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reciprocal_value'>
+        <parameter type-id='19c2251e' name='d' filepath='lib/math/reciprocal_div.c' line='14' column='1'/>
+        <return type-id='80ebe7f7'/>
+      </function-decl>
+      <function-decl name='refcount_dec_and_mutex_lock' mangled-name='refcount_dec_and_mutex_lock' filepath='lib/refcount.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refcount_dec_and_mutex_lock'>
+        <parameter type-id='35a0b4f8' name='r' filepath='lib/refcount.c' line='113' column='1'/>
+        <parameter type-id='e0ea832a' name='lock' filepath='lib/refcount.c' line='113' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='refcount_dec_not_one' mangled-name='refcount_dec_not_one' filepath='lib/refcount.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refcount_dec_not_one'>
+        <parameter type-id='35a0b4f8' name='r' filepath='lib/refcount.c' line='74' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='refcount_warn_saturate' mangled-name='refcount_warn_saturate' filepath='lib/refcount.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refcount_warn_saturate'>
+        <parameter type-id='35a0b4f8' name='r' filepath='lib/refcount.c' line='13' column='1'/>
+        <parameter type-id='ff0618be' name='t' filepath='lib/refcount.c' line='13' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='refresh_frequency_limits' mangled-name='refresh_frequency_limits' filepath='drivers/cpufreq/cpufreq.c' line='1147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refresh_frequency_limits'>
+        <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='1147' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='reg_initiator_name' mangled-name='reg_initiator_name' filepath='net/wireless/reg.c' line='1652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reg_initiator_name'>
+        <parameter type-id='790cc131' name='initiator' filepath='net/wireless/reg.c' line='1652' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='regcache_cache_bypass' mangled-name='regcache_cache_bypass' filepath='drivers/base/regmap/regcache.c' line='544' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_cache_bypass'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='544' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/base/regmap/regcache.c' line='544' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regcache_cache_only' mangled-name='regcache_cache_only' filepath='drivers/base/regmap/regcache.c' line='501' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_cache_only'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='501' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/base/regmap/regcache.c' line='501' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regcache_drop_region' mangled-name='regcache_drop_region' filepath='drivers/base/regmap/regcache.c' line='469' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_drop_region'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='469' column='1'/>
+        <parameter type-id='f0981eeb' name='min' filepath='drivers/base/regmap/regcache.c' line='469' column='1'/>
+        <parameter type-id='f0981eeb' name='max' filepath='drivers/base/regmap/regcache.c' line='470' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regcache_mark_dirty' mangled-name='regcache_mark_dirty' filepath='drivers/base/regmap/regcache.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_mark_dirty'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='524' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regcache_sync' mangled-name='regcache_sync' filepath='drivers/base/regmap/regcache.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_sync'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='339' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regcache_sync_region' mangled-name='regcache_sync_region' filepath='drivers/base/regmap/regcache.c' line='411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_sync_region'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='411' column='1'/>
+        <parameter type-id='f0981eeb' name='min' filepath='drivers/base/regmap/regcache.c' line='411' column='1'/>
+        <parameter type-id='f0981eeb' name='max' filepath='drivers/base/regmap/regcache.c' line='412' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_blkdev' mangled-name='register_blkdev' filepath='block/genhd.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_blkdev'>
+        <parameter type-id='f0981eeb' name='major' filepath='block/genhd.c' line='440' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='block/genhd.c' line='440' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_candev' mangled-name='register_candev' filepath='drivers/net/can/dev/dev.c' line='1277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_candev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='1277' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_chrdev_region' mangled-name='register_chrdev_region' filepath='fs/char_dev.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_chrdev_region'>
+        <parameter type-id='8504f260' name='from' filepath='fs/char_dev.c' line='200' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='200' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='200' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_console' mangled-name='register_console' filepath='kernel/printk/printk.c' line='2778' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_console'>
+        <parameter type-id='b9aa0100' name='newcon' filepath='kernel/printk/printk.c' line='2778' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='register_die_notifier' mangled-name='register_die_notifier' filepath='kernel/notifier.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_die_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/notifier.c' line='552' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_filesystem' mangled-name='register_filesystem' filepath='fs/filesystems.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_filesystem'>
+        <parameter type-id='21e53d44' name='fs' filepath='fs/filesystems.c' line='72' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_inet6addr_notifier' mangled-name='register_inet6addr_notifier' filepath='net/ipv6/addrconf_core.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_inet6addr_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/ipv6/addrconf_core.c' line='95' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_inetaddr_notifier' mangled-name='register_inetaddr_notifier' filepath='net/ipv4/devinet.c' line='1451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_inetaddr_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/ipv4/devinet.c' line='1451' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_kernel_break_hook' mangled-name='register_kernel_break_hook' filepath='arch/arm64/kernel/debug-monitors.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_kernel_break_hook'>
+        <parameter type-id='26d099e0' name='hook' filepath='arch/arm64/kernel/debug-monitors.c' line='294' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='register_kretprobe' mangled-name='register_kretprobe' filepath='kernel/kprobes.c' line='2135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_kretprobe'>
+        <parameter type-id='d15edd25' name='rp' filepath='kernel/kprobes.c' line='2135' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_net_sysctl' mangled-name='register_net_sysctl' filepath='net/sysctl_net.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_net_sysctl'>
+        <parameter type-id='a2bff676' name='net' filepath='net/sysctl_net.c' line='118' column='1'/>
+        <parameter type-id='80f4b756' name='path' filepath='net/sysctl_net.c' line='119' column='1'/>
+        <parameter type-id='631dc3c1' name='table' filepath='net/sysctl_net.c' line='119' column='1'/>
+        <return type-id='11b101bb'/>
+      </function-decl>
+      <function-decl name='register_netdev' mangled-name='register_netdev' filepath='net/core/dev.c' line='10146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netdev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10146' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_netdevice' mangled-name='register_netdevice' filepath='net/core/dev.c' line='9924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netdevice'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9924' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_netdevice_notifier' mangled-name='register_netdevice_notifier' filepath='net/core/dev.c' line='1829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netdevice_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/core/dev.c' line='1829' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_netevent_notifier' mangled-name='register_netevent_notifier' filepath='net/core/netevent.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netevent_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/core/netevent.c' line='28' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_oom_notifier' mangled-name='register_oom_notifier' filepath='mm/oom_kill.c' line='1075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_oom_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='mm/oom_kill.c' line='1075' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_pernet_device' mangled-name='register_pernet_device' filepath='net/core/net_namespace.c' line='1316' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_pernet_device'>
+        <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1316' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_pernet_subsys' mangled-name='register_pernet_subsys' filepath='net/core/net_namespace.c' line='1270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_pernet_subsys'>
+        <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1270' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_pm_notifier' mangled-name='register_pm_notifier' filepath='kernel/power/main.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_pm_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/power/main.c' line='71' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_reboot_notifier' mangled-name='register_reboot_notifier' filepath='kernel/reboot.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_reboot_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='92' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_restart_handler' mangled-name='register_restart_handler' filepath='kernel/reboot.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_restart_handler'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='184' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_shrinker' mangled-name='register_shrinker' filepath='mm/vmscan.c' line='423' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_shrinker'>
+        <parameter type-id='4be14597' name='shrinker' filepath='mm/vmscan.c' line='423' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_syscore_ops' mangled-name='register_syscore_ops' filepath='drivers/base/syscore.c' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_syscore_ops'>
+        <parameter type-id='cbd24a98' name='ops' filepath='drivers/base/syscore.c' line='22' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='register_sysctl' mangled-name='register_sysctl' filepath='fs/proc/proc_sysctl.c' line='1383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_sysctl'>
+        <parameter type-id='80f4b756' name='path' filepath='fs/proc/proc_sysctl.c' line='1383' column='1'/>
+        <parameter type-id='631dc3c1' name='table' filepath='fs/proc/proc_sysctl.c' line='1383' column='1'/>
+        <return type-id='11b101bb'/>
+      </function-decl>
+      <function-decl name='register_sysctl_table' mangled-name='register_sysctl_table' filepath='fs/proc/proc_sysctl.c' line='1627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_sysctl_table'>
+        <parameter type-id='631dc3c1' name='table' filepath='fs/proc/proc_sysctl.c' line='1627' column='1'/>
+        <return type-id='11b101bb'/>
+      </function-decl>
+      <function-decl name='register_virtio_device' mangled-name='register_virtio_device' filepath='drivers/virtio/virtio.c' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_virtio_device'>
+        <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_virtio_driver' mangled-name='register_virtio_driver' filepath='drivers/virtio/virtio.c' line='320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_virtio_driver'>
+        <parameter type-id='f350dc99' name='driver' filepath='drivers/virtio/virtio.c' line='320' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='register_vmap_purge_notifier' mangled-name='register_vmap_purge_notifier' filepath='mm/vmalloc.c' line='1270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_vmap_purge_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='mm/vmalloc.c' line='1270' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_add_irq_chip' mangled-name='regmap_add_irq_chip' filepath='drivers/base/regmap/regmap-irq.c' line='855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_add_irq_chip'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap-irq.c' line='855' column='1'/>
+        <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='855' column='1'/>
+        <parameter type-id='95e97e5e' name='irq_flags' filepath='drivers/base/regmap/regmap-irq.c' line='855' column='1'/>
+        <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/base/regmap/regmap-irq.c' line='856' column='1'/>
+        <parameter type-id='78965926' name='chip' filepath='drivers/base/regmap/regmap-irq.c' line='856' column='1'/>
+        <parameter type-id='a731d0ec' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='857' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_async_complete' mangled-name='regmap_async_complete' filepath='drivers/base/regmap/regmap.c' line='3155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_async_complete'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='3155' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_bulk_read' mangled-name='regmap_bulk_read' filepath='drivers/base/regmap/regmap.c' line='2951' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_bulk_read'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2951' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2951' column='1'/>
+        <parameter type-id='eaa32e2f' name='val' filepath='drivers/base/regmap/regmap.c' line='2951' column='1'/>
+        <parameter type-id='b59d7dce' name='val_count' filepath='drivers/base/regmap/regmap.c' line='2952' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_bulk_write' mangled-name='regmap_bulk_write' filepath='drivers/base/regmap/regmap.c' line='2207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_bulk_write'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2207' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2207' column='1'/>
+        <parameter type-id='eaa32e2f' name='val' filepath='drivers/base/regmap/regmap.c' line='2207' column='1'/>
+        <parameter type-id='b59d7dce' name='val_count' filepath='drivers/base/regmap/regmap.c' line='2208' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_del_irq_chip' mangled-name='regmap_del_irq_chip' filepath='drivers/base/regmap/regmap-irq.c' line='872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_del_irq_chip'>
+        <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='872' column='1'/>
+        <parameter type-id='a2782ece' name='d' filepath='drivers/base/regmap/regmap-irq.c' line='872' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regmap_exit' mangled-name='regmap_exit' filepath='drivers/base/regmap/regmap.c' line='1476' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_exit'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='1476' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regmap_field_read' mangled-name='regmap_field_read' filepath='drivers/base/regmap/regmap.c' line='2891' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_field_read'>
+        <parameter type-id='476eb32c' name='field' filepath='drivers/base/regmap/regmap.c' line='2891' column='1'/>
+        <parameter type-id='807869d3' name='val' filepath='drivers/base/regmap/regmap.c' line='2891' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_field_update_bits_base' mangled-name='regmap_field_update_bits_base' filepath='drivers/base/regmap/regmap.c' line='2150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_field_update_bits_base'>
+        <parameter type-id='476eb32c' name='field' filepath='drivers/base/regmap/regmap.c' line='2150' column='1'/>
+        <parameter type-id='f0981eeb' name='mask' filepath='drivers/base/regmap/regmap.c' line='2151' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='drivers/base/regmap/regmap.c' line='2151' column='1'/>
+        <parameter type-id='d8e6b335' name='change' filepath='drivers/base/regmap/regmap.c' line='2152' column='1'/>
+        <parameter type-id='b50a4934' name='async' filepath='drivers/base/regmap/regmap.c' line='2152' column='1'/>
+        <parameter type-id='b50a4934' name='force' filepath='drivers/base/regmap/regmap.c' line='2152' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_get_device' mangled-name='regmap_get_device' filepath='drivers/base/regmap/regmap.c' line='1549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_get_device'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='1549' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='regmap_irq_chip_get_base' mangled-name='regmap_irq_chip_get_base' filepath='drivers/base/regmap/regmap-irq.c' line='1031' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_irq_chip_get_base'>
+        <parameter type-id='a2782ece' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='1031' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regmap_irq_get_domain' mangled-name='regmap_irq_get_domain' filepath='drivers/base/regmap/regmap-irq.c' line='1066' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_irq_get_domain'>
+        <parameter type-id='a2782ece' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='1066' column='1'/>
+        <return type-id='7544e824'/>
+      </function-decl>
+      <function-decl name='regmap_irq_get_virq' mangled-name='regmap_irq_get_virq' filepath='drivers/base/regmap/regmap-irq.c' line='1046' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_irq_get_virq'>
+        <parameter type-id='a2782ece' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='1046' column='1'/>
+        <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='1046' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
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+        <parameter type-id='0472a368' name='regs' filepath='drivers/base/regmap/regmap.c' line='2514' column='1'/>
+        <parameter type-id='95e97e5e' name='num_regs' filepath='drivers/base/regmap/regmap.c' line='2515' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2547' column='1'/>
+        <parameter type-id='0472a368' name='regs' filepath='drivers/base/regmap/regmap.c' line='2548' column='1'/>
+        <parameter type-id='95e97e5e' name='num_regs' filepath='drivers/base/regmap/regmap.c' line='2549' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2744' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2744' column='1'/>
+        <parameter type-id='eaa32e2f' name='val' filepath='drivers/base/regmap/regmap.c' line='2744' column='1'/>
+        <parameter type-id='b59d7dce' name='val_len' filepath='drivers/base/regmap/regmap.c' line='2745' column='1'/>
+        <return type-id='95e97e5e'/>
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+      <function-decl name='regmap_raw_write' mangled-name='regmap_raw_write' filepath='drivers/base/regmap/regmap.c' line='2050' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_raw_write'>
+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2050' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2050' column='1'/>
+        <parameter type-id='eaa32e2f' name='val' filepath='drivers/base/regmap/regmap.c' line='2051' column='1'/>
+        <parameter type-id='b59d7dce' name='val_len' filepath='drivers/base/regmap/regmap.c' line='2051' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2591' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2591' column='1'/>
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+        <parameter type-id='b59d7dce' name='val_len' filepath='drivers/base/regmap/regmap.c' line='2592' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2716' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2716' column='1'/>
+        <parameter type-id='807869d3' name='val' filepath='drivers/base/regmap/regmap.c' line='2716' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='3196' column='1'/>
+        <parameter type-id='0472a368' name='regs' filepath='drivers/base/regmap/regmap.c' line='3196' column='1'/>
+        <parameter type-id='95e97e5e' name='num_regs' filepath='drivers/base/regmap/regmap.c' line='3197' column='1'/>
+        <return type-id='95e97e5e'/>
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+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='3071' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='3071' column='1'/>
+        <parameter type-id='f0981eeb' name='mask' filepath='drivers/base/regmap/regmap.c' line='3072' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='drivers/base/regmap/regmap.c' line='3072' column='1'/>
+        <parameter type-id='d8e6b335' name='change' filepath='drivers/base/regmap/regmap.c' line='3073' column='1'/>
+        <parameter type-id='b50a4934' name='async' filepath='drivers/base/regmap/regmap.c' line='3073' column='1'/>
+        <parameter type-id='b50a4934' name='force' filepath='drivers/base/regmap/regmap.c' line='3073' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
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+        <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='1948' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='1948' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='drivers/base/regmap/regmap.c' line='1948' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_bulk_disable' mangled-name='regulator_bulk_disable' filepath='drivers/regulator/core.c' line='4779' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_bulk_disable'>
+        <parameter type-id='95e97e5e' name='num_consumers' filepath='drivers/regulator/core.c' line='4779' column='1'/>
+        <parameter type-id='776946b4' name='consumers' filepath='drivers/regulator/core.c' line='4780' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_bulk_enable' mangled-name='regulator_bulk_enable' filepath='drivers/regulator/core.c' line='4730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_bulk_enable'>
+        <parameter type-id='95e97e5e' name='num_consumers' filepath='drivers/regulator/core.c' line='4730' column='1'/>
+        <parameter type-id='776946b4' name='consumers' filepath='drivers/regulator/core.c' line='4731' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_bulk_free' mangled-name='regulator_bulk_free' filepath='drivers/regulator/core.c' line='4848' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_bulk_free'>
+        <parameter type-id='95e97e5e' name='num_consumers' filepath='drivers/regulator/core.c' line='4848' column='1'/>
+        <parameter type-id='776946b4' name='consumers' filepath='drivers/regulator/core.c' line='4849' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regulator_bulk_get' mangled-name='regulator_bulk_get' filepath='drivers/regulator/core.c' line='4675' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_bulk_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/core.c' line='4675' column='1'/>
+        <parameter type-id='95e97e5e' name='num_consumers' filepath='drivers/regulator/core.c' line='4675' column='1'/>
+        <parameter type-id='776946b4' name='consumers' filepath='drivers/regulator/core.c' line='4676' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_count_voltages' mangled-name='regulator_count_voltages' filepath='drivers/regulator/core.c' line='3136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_count_voltages'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='3136' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
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+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='2906' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_disable_regmap' mangled-name='regulator_disable_regmap' filepath='drivers/regulator/helpers.c' line='85' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_disable_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='85' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_enable' mangled-name='regulator_enable' filepath='drivers/regulator/core.c' line='2796' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_enable'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='2796' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_enable_regmap' mangled-name='regulator_enable_regmap' filepath='drivers/regulator/helpers.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_enable_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='59' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_force_disable' mangled-name='regulator_force_disable' filepath='drivers/regulator/core.c' line='2955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_force_disable'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='2955' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_get' mangled-name='regulator_get' filepath='drivers/regulator/core.c' line='2141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/core.c' line='2141' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/core.c' line='2141' column='1'/>
+        <return type-id='850c13f6'/>
+      </function-decl>
+      <function-decl name='regulator_get_current_limit' mangled-name='regulator_get_current_limit' filepath='drivers/regulator/core.c' line='4389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get_current_limit'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4389' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_get_current_limit_regmap' mangled-name='regulator_get_current_limit_regmap' filepath='drivers/regulator/helpers.c' line='827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get_current_limit_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='827' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_get_exclusive' mangled-name='regulator_get_exclusive' filepath='drivers/regulator/core.c' line='2168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get_exclusive'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/core.c' line='2168' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/core.c' line='2168' column='1'/>
+        <return type-id='850c13f6'/>
+      </function-decl>
+      <function-decl name='regulator_get_linear_step' mangled-name='regulator_get_linear_step' filepath='drivers/regulator/core.c' line='3244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get_linear_step'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='3244' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='regulator_get_optional' mangled-name='regulator_get_optional' filepath='drivers/regulator/core.c' line='2194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get_optional'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/core.c' line='2194' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/core.c' line='2194' column='1'/>
+        <return type-id='850c13f6'/>
+      </function-decl>
+      <function-decl name='regulator_get_voltage' mangled-name='regulator_get_voltage' filepath='drivers/regulator/core.c' line='4305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get_voltage'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4305' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_get_voltage_sel_regmap' mangled-name='regulator_get_voltage_sel_regmap' filepath='drivers/regulator/helpers.c' line='235' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_get_voltage_sel_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='235' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_is_enabled' mangled-name='regulator_is_enabled' filepath='drivers/regulator/core.c' line='3113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_is_enabled'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='3113' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_is_enabled_regmap' mangled-name='regulator_is_enabled_regmap' filepath='drivers/regulator/helpers.c' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_is_enabled_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='27' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_is_supported_voltage' mangled-name='regulator_is_supported_voltage' filepath='drivers/regulator/core.c' line='3261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_is_supported_voltage'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='3261' column='1'/>
+        <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/core.c' line='3262' column='1'/>
+        <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/core.c' line='3262' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_list_voltage' mangled-name='regulator_list_voltage' filepath='drivers/regulator/core.c' line='3160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_list_voltage'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='3160' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/regulator/core.c' line='3160' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_list_voltage_linear' mangled-name='regulator_list_voltage_linear' filepath='drivers/regulator/helpers.c' line='521' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_list_voltage_linear'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='521' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/regulator/helpers.c' line='522' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_list_voltage_linear_range' mangled-name='regulator_list_voltage_linear_range' filepath='drivers/regulator/helpers.c' line='625' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_list_voltage_linear_range'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='625' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/regulator/helpers.c' line='626' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_list_voltage_table' mangled-name='regulator_list_voltage_table' filepath='drivers/regulator/helpers.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_list_voltage_table'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='642' column='1'/>
+        <parameter type-id='f0981eeb' name='selector' filepath='drivers/regulator/helpers.c' line='643' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_map_voltage_ascend' mangled-name='regulator_map_voltage_ascend' filepath='drivers/regulator/helpers.c' line='330' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_map_voltage_ascend'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='330' column='1'/>
+        <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/helpers.c' line='331' column='1'/>
+        <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/helpers.c' line='331' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_map_voltage_iterate' mangled-name='regulator_map_voltage_iterate' filepath='drivers/regulator/helpers.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_map_voltage_iterate'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='292' column='1'/>
+        <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/helpers.c' line='293' column='1'/>
+        <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/helpers.c' line='293' column='1'/>
+        <return type-id='95e97e5e'/>
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+      <function-decl name='regulator_map_voltage_linear' mangled-name='regulator_map_voltage_linear' filepath='drivers/regulator/helpers.c' line='361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_map_voltage_linear'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='361' column='1'/>
+        <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/helpers.c' line='362' column='1'/>
+        <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/helpers.c' line='362' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_map_voltage_linear_range' mangled-name='regulator_map_voltage_linear_range' filepath='drivers/regulator/helpers.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_map_voltage_linear_range'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='407' column='1'/>
+        <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/helpers.c' line='408' column='1'/>
+        <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/helpers.c' line='408' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_mode_to_status' mangled-name='regulator_mode_to_status' filepath='drivers/regulator/core.c' line='4885' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_mode_to_status'>
+        <parameter type-id='f0981eeb' name='mode' filepath='drivers/regulator/core.c' line='4885' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_notifier_call_chain' mangled-name='regulator_notifier_call_chain' filepath='drivers/regulator/core.c' line='4869' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_notifier_call_chain'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='4869' column='1'/>
+        <parameter type-id='7359adad' name='event' filepath='drivers/regulator/core.c' line='4870' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/regulator/core.c' line='4870' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_put' mangled-name='regulator_put' filepath='drivers/regulator/core.c' line='2254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_put'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='2254' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regulator_register' mangled-name='regulator_register' filepath='drivers/regulator/core.c' line='5261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_register'>
+        <parameter type-id='5629bd41' name='regulator_desc' filepath='drivers/regulator/core.c' line='5261' column='1'/>
+        <parameter type-id='661ccd0c' name='cfg' filepath='drivers/regulator/core.c' line='5262' column='1'/>
+        <return type-id='43c38462'/>
+      </function-decl>
+      <function-decl name='regulator_register_notifier' mangled-name='regulator_register_notifier' filepath='drivers/regulator/core.c' line='4628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_register_notifier'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4628' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/regulator/core.c' line='4629' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_active_discharge_regmap' mangled-name='regulator_set_active_discharge_regmap' filepath='drivers/regulator/helpers.c' line='748' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_active_discharge_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='748' column='1'/>
+        <parameter type-id='b50a4934' name='enable' filepath='drivers/regulator/helpers.c' line='749' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_current_limit_regmap' mangled-name='regulator_set_current_limit_regmap' filepath='drivers/regulator/helpers.c' line='775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_current_limit_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='775' column='1'/>
+        <parameter type-id='95e97e5e' name='min_uA' filepath='drivers/regulator/helpers.c' line='776' column='1'/>
+        <parameter type-id='95e97e5e' name='max_uA' filepath='drivers/regulator/helpers.c' line='776' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_load' mangled-name='regulator_set_load' filepath='drivers/regulator/core.c' line='4540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_load'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4540' column='1'/>
+        <parameter type-id='95e97e5e' name='uA_load' filepath='drivers/regulator/core.c' line='4540' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_mode' mangled-name='regulator_set_mode' filepath='drivers/regulator/core.c' line='4406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_mode'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4406' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='drivers/regulator/core.c' line='4406' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_pull_down_regmap' mangled-name='regulator_set_pull_down_regmap' filepath='drivers/regulator/helpers.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_pull_down_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='703' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_soft_start_regmap' mangled-name='regulator_set_soft_start_regmap' filepath='drivers/regulator/helpers.c' line='685' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_soft_start_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='685' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_voltage' mangled-name='regulator_set_voltage' filepath='drivers/regulator/core.c' line='4020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_voltage'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4020' column='1'/>
+        <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/core.c' line='4020' column='1'/>
+        <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/core.c' line='4020' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_voltage_sel_regmap' mangled-name='regulator_set_voltage_sel_regmap' filepath='drivers/regulator/helpers.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_voltage_sel_regmap'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='261' column='1'/>
+        <parameter type-id='f0981eeb' name='sel' filepath='drivers/regulator/helpers.c' line='261' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_set_voltage_time_sel' mangled-name='regulator_set_voltage_time_sel' filepath='drivers/regulator/core.c' line='4181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_voltage_time_sel'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='4181' column='1'/>
+        <parameter type-id='f0981eeb' name='old_selector' filepath='drivers/regulator/core.c' line='4182' column='1'/>
+        <parameter type-id='f0981eeb' name='new_selector' filepath='drivers/regulator/core.c' line='4183' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_suspend_disable' mangled-name='regulator_suspend_disable' filepath='drivers/regulator/core.c' line='4060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_suspend_disable'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='4060' column='1'/>
+        <parameter type-id='e884daa5' name='state' filepath='drivers/regulator/core.c' line='4061' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_suspend_enable' mangled-name='regulator_suspend_enable' filepath='drivers/regulator/core.c' line='4053' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_suspend_enable'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='4053' column='1'/>
+        <parameter type-id='e884daa5' name='state' filepath='drivers/regulator/core.c' line='4054' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulator_unregister' mangled-name='regulator_unregister' filepath='drivers/regulator/core.c' line='5504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_unregister'>
+        <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5504' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='regulator_unregister_notifier' mangled-name='regulator_unregister_notifier' filepath='drivers/regulator/core.c' line='4643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_unregister_notifier'>
+        <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4643' column='1'/>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/regulator/core.c' line='4644' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulatory_hint' mangled-name='regulatory_hint' filepath='net/wireless/reg.c' line='3230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulatory_hint'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/reg.c' line='3230' column='1'/>
+        <parameter type-id='80f4b756' name='alpha2' filepath='net/wireless/reg.c' line='3230' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulatory_set_wiphy_regd' mangled-name='regulatory_set_wiphy_regd' filepath='net/wireless/reg.c' line='3961' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulatory_set_wiphy_regd'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/reg.c' line='3961' column='1'/>
+        <parameter type-id='c24e05b4' name='rd' filepath='net/wireless/reg.c' line='3962' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='regulatory_set_wiphy_regd_sync_rtnl' mangled-name='regulatory_set_wiphy_regd_sync_rtnl' filepath='net/wireless/reg.c' line='3974' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulatory_set_wiphy_regd_sync_rtnl'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/reg.c' line='3974' column='1'/>
+        <parameter type-id='c24e05b4' name='rd' filepath='net/wireless/reg.c' line='3975' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='release_firmware' mangled-name='release_firmware' filepath='drivers/base/firmware_loader/main.c' line='1067' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='release_firmware'>
+        <parameter type-id='fce0537d' name='fw' filepath='drivers/base/firmware_loader/main.c' line='1067' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='release_pages' mangled-name='release_pages' filepath='mm/swap.c' line='1022' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='release_pages'>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/swap.c' line='1022' column='1'/>
+        <parameter type-id='95e97e5e' name='nr' filepath='mm/swap.c' line='1022' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='release_sock' mangled-name='release_sock' filepath='net/core/sock.c' line='3117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='release_sock'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='3117' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='remap_pfn_range' mangled-name='remap_pfn_range' filepath='mm/memory.c' line='2336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remap_pfn_range'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2336' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2336' column='1'/>
+        <parameter type-id='7359adad' name='pfn' filepath='mm/memory.c' line='2337' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='mm/memory.c' line='2337' column='1'/>
+        <parameter type-id='2e2dcbd3' name='prot' filepath='mm/memory.c' line='2337' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='remap_vmalloc_range' mangled-name='remap_vmalloc_range' filepath='mm/vmalloc.c' line='3156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remap_vmalloc_range'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/vmalloc.c' line='3156' column='1'/>
+        <parameter type-id='eaa32e2f' name='addr' filepath='mm/vmalloc.c' line='3156' column='1'/>
+        <parameter type-id='7359adad' name='pgoff' filepath='mm/vmalloc.c' line='3157' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='remove_cpu' mangled-name='remove_cpu' filepath='kernel/cpu.c' line='1153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_cpu'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='kernel/cpu.c' line='1153' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='remove_proc_entry' mangled-name='remove_proc_entry' filepath='fs/proc/generic.c' line='691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_proc_entry'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='691' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='691' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='remove_proc_subtree' mangled-name='remove_proc_subtree' filepath='fs/proc/generic.c' line='730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_proc_subtree'>
+        <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='730' column='1'/>
+        <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='730' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='remove_wait_queue' mangled-name='remove_wait_queue' filepath='kernel/sched/wait.c' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_wait_queue'>
+        <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='41' column='1'/>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='41' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='report_iommu_fault' mangled-name='report_iommu_fault' filepath='drivers/iommu/iommu.c' line='2734' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='report_iommu_fault'>
+        <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2734' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2734' column='1'/>
+        <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2735' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='drivers/iommu/iommu.c' line='2735' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='request_firmware' mangled-name='request_firmware' filepath='drivers/base/firmware_loader/main.c' line='886' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware'>
+        <parameter type-id='6c2331f5' name='firmware_p' filepath='drivers/base/firmware_loader/main.c' line='886' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='886' column='1'/>
+        <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='887' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='request_firmware_direct' mangled-name='request_firmware_direct' filepath='drivers/base/firmware_loader/main.c' line='938' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware_direct'>
+        <parameter type-id='6c2331f5' name='firmware_p' filepath='drivers/base/firmware_loader/main.c' line='938' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='939' column='1'/>
+        <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='939' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='request_firmware_into_buf' mangled-name='request_firmware_into_buf' filepath='drivers/base/firmware_loader/main.c' line='1016' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware_into_buf'>
+        <parameter type-id='6c2331f5' name='firmware_p' filepath='drivers/base/firmware_loader/main.c' line='1016' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='1016' column='1'/>
+        <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='1017' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='drivers/base/firmware_loader/main.c' line='1017' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/base/firmware_loader/main.c' line='1017' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='request_firmware_nowait' mangled-name='request_firmware_nowait' filepath='drivers/base/firmware_loader/main.c' line='1129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware_nowait'>
+        <parameter type-id='2730d015' name='module' filepath='drivers/base/firmware_loader/main.c' line='1130' column='1'/>
+        <parameter type-id='b50a4934' name='uevent' filepath='drivers/base/firmware_loader/main.c' line='1130' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='1131' column='1'/>
+        <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='1131' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/firmware_loader/main.c' line='1131' column='1'/>
+        <parameter type-id='eaa32e2f' name='context' filepath='drivers/base/firmware_loader/main.c' line='1131' column='1'/>
+        <parameter type-id='c8e4e392' name='cont' filepath='drivers/base/firmware_loader/main.c' line='1132' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='request_threaded_irq' mangled-name='request_threaded_irq' filepath='kernel/irq/manage.c' line='2042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_threaded_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2042' column='1'/>
+        <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/manage.c' line='2042' column='1'/>
+        <parameter type-id='29591c9a' name='thread_fn' filepath='kernel/irq/manage.c' line='2043' column='1'/>
+        <parameter type-id='7359adad' name='irqflags' filepath='kernel/irq/manage.c' line='2043' column='1'/>
+        <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/manage.c' line='2044' column='1'/>
+        <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='2044' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='resched_curr' mangled-name='resched_curr' filepath='kernel/sched/core.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='resched_curr'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='631' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='reservation_ww_class' type-id='f0dc3c34' mangled-name='reservation_ww_class' visibility='default' filepath='drivers/dma-buf/dma-resv.c' line='52' column='1' elf-symbol-id='reservation_ww_class'/>
+      <function-decl name='reset_control_assert' mangled-name='reset_control_assert' filepath='drivers/reset/core.c' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_assert'>
+        <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='344' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='reset_control_deassert' mangled-name='reset_control_deassert' filepath='drivers/reset/core.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_deassert'>
+        <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='402' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='reset_control_put' mangled-name='reset_control_put' filepath='drivers/reset/core.c' line='762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_put'>
+        <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='762' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='reset_control_reset' mangled-name='reset_control_reset' filepath='drivers/reset/core.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_reset'>
+        <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='293' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='reset_controller_register' mangled-name='reset_controller_register' filepath='drivers/reset/core.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_controller_register'>
+        <parameter type-id='775147d9' name='rcdev' filepath='drivers/reset/core.c' line='99' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='resume_cpus' mangled-name='resume_cpus' filepath='kernel/cpu.c' line='1304' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='resume_cpus'>
+        <parameter type-id='74bccedd' name='cpus' filepath='kernel/cpu.c' line='1304' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='return_address' mangled-name='return_address' filepath='arch/arm64/kernel/return_address.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='return_address'>
+        <parameter type-id='f0981eeb' name='level' filepath='arch/arm64/kernel/return_address.c' line='35' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='revalidate_disk_size' mangled-name='revalidate_disk_size' filepath='fs/block_dev.c' line='1370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='revalidate_disk_size'>
+        <parameter type-id='33c599da' name='disk' filepath='fs/block_dev.c' line='1370' column='1'/>
+        <parameter type-id='b50a4934' name='verbose' filepath='fs/block_dev.c' line='1370' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='reweight_task' mangled-name='reweight_task' filepath='kernel/sched/fair.c' line='3130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reweight_task'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/fair.c' line='3130' column='1'/>
+        <parameter type-id='95e97e5e' name='prio' filepath='kernel/sched/fair.c' line='3130' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='rfc1042_header' type-id='51f2d827' mangled-name='rfc1042_header' visibility='default' filepath='net/wireless/util.c' line='2073' column='1' elf-symbol-id='rfc1042_header'/>
+      <function-decl name='rfkill_alloc' mangled-name='rfkill_alloc' filepath='net/rfkill/core.c' line='922' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_alloc'>
+        <parameter type-id='80f4b756' name='name' filepath='net/rfkill/core.c' line='922' column='1'/>
+        <parameter type-id='fa0b179b' name='parent' filepath='net/rfkill/core.c' line='923' column='1'/>
+        <parameter type-id='c3f0f7d9' name='type' filepath='net/rfkill/core.c' line='924' column='1'/>
+        <parameter type-id='6a6a70e7' name='ops' filepath='net/rfkill/core.c' line='925' column='1'/>
+        <parameter type-id='eaa32e2f' name='ops_data' filepath='net/rfkill/core.c' line='926' column='1'/>
+        <return type-id='c5b94c75'/>
+      </function-decl>
+      <function-decl name='rfkill_destroy' mangled-name='rfkill_destroy' filepath='net/rfkill/core.c' line='1099' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_destroy'>
+        <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='1099' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rfkill_find_type' mangled-name='rfkill_find_type' filepath='net/rfkill/core.c' line='653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_find_type'>
+        <parameter type-id='80f4b756' name='name' filepath='net/rfkill/core.c' line='653' column='1'/>
+        <return type-id='6bac1cb5'/>
+      </function-decl>
+      <function-decl name='rfkill_init_sw_state' mangled-name='rfkill_init_sw_state' filepath='net/rfkill/core.c' line='592' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_init_sw_state'>
+        <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='592' column='1'/>
+        <parameter type-id='b50a4934' name='blocked' filepath='net/rfkill/core.c' line='592' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rfkill_register' mangled-name='rfkill_register' filepath='net/rfkill/core.c' line='1005' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_register'>
+        <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='1005' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rfkill_set_hw_state' mangled-name='rfkill_set_hw_state' filepath='net/rfkill/core.c' line='525' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_set_hw_state'>
+        <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='525' column='1'/>
+        <parameter type-id='b50a4934' name='blocked' filepath='net/rfkill/core.c' line='525' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='rfkill_set_sw_state' mangled-name='rfkill_set_sw_state' filepath='net/rfkill/core.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_set_sw_state'>
+        <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='565' column='1'/>
+        <parameter type-id='b50a4934' name='blocked' filepath='net/rfkill/core.c' line='565' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='rfkill_unregister' mangled-name='rfkill_unregister' filepath='net/rfkill/core.c' line='1075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_unregister'>
+        <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='1075' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rhashtable_destroy' mangled-name='rhashtable_destroy' filepath='lib/rhashtable.c' line='1168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhashtable_destroy'>
+        <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='1168' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rhashtable_init' mangled-name='rhashtable_init' filepath='lib/rhashtable.c' line='1015' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhashtable_init'>
+        <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='1015' column='1'/>
+        <parameter type-id='44dbf2cd' name='params' filepath='lib/rhashtable.c' line='1016' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rhashtable_insert_slow' mangled-name='rhashtable_insert_slow' filepath='lib/rhashtable.c' line='629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhashtable_insert_slow'>
+        <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='629' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='lib/rhashtable.c' line='629' column='1'/>
+        <parameter type-id='3cc8739a' name='obj' filepath='lib/rhashtable.c' line='630' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='rht_bucket_nested' mangled-name='rht_bucket_nested' filepath='lib/rhashtable.c' line='1203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rht_bucket_nested'>
+        <parameter type-id='6a4a6779' name='tbl' filepath='lib/rhashtable.c' line='1204' column='1'/>
+        <parameter type-id='f0981eeb' name='hash' filepath='lib/rhashtable.c' line='1204' column='1'/>
+        <return type-id='33f7eff4'/>
+      </function-decl>
+      <function-decl name='rht_bucket_nested_insert' mangled-name='rht_bucket_nested_insert' filepath='lib/rhashtable.c' line='1214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rht_bucket_nested_insert'>
+        <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='1215' column='1'/>
+        <parameter type-id='35e7a722' name='tbl' filepath='lib/rhashtable.c' line='1215' column='1'/>
+        <parameter type-id='f0981eeb' name='hash' filepath='lib/rhashtable.c' line='1215' column='1'/>
+        <return type-id='33f7eff4'/>
+      </function-decl>
+      <function-decl name='rng_is_initialized' mangled-name='rng_is_initialized' filepath='drivers/char/random.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rng_is_initialized'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='root_device_unregister' mangled-name='root_device_unregister' filepath='drivers/base/core.c' line='3857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='root_device_unregister'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3857' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='root_task_group' type-id='2d863538' mangled-name='root_task_group' visibility='default' filepath='kernel/sched/core.c' line='7451' column='1' elf-symbol-id='root_task_group'/>
+      <function-decl name='round_jiffies_relative' mangled-name='round_jiffies_relative' filepath='kernel/time/timer.c' line='411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='round_jiffies_relative'>
+        <parameter type-id='7359adad' name='j' filepath='kernel/time/timer.c' line='411' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='round_jiffies_up' mangled-name='round_jiffies_up' filepath='kernel/time/timer.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='round_jiffies_up'>
+        <parameter type-id='7359adad' name='j' filepath='kernel/time/timer.c' line='461' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='rpmsg_register_device' mangled-name='rpmsg_register_device' filepath='drivers/rpmsg/rpmsg_core.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_register_device'>
+        <parameter type-id='41ebc58b' name='rpdev' filepath='drivers/rpmsg/rpmsg_core.c' line='611' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rpmsg_register_device_override' mangled-name='rpmsg_register_device_override' filepath='drivers/rpmsg/rpmsg_core.c' line='573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_register_device_override'>
+        <parameter type-id='41ebc58b' name='rpdev' filepath='drivers/rpmsg/rpmsg_core.c' line='573' column='1'/>
+        <parameter type-id='80f4b756' name='driver_override' filepath='drivers/rpmsg/rpmsg_core.c' line='574' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rpmsg_send' mangled-name='rpmsg_send' filepath='drivers/rpmsg/rpmsg_core.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_send'>
+        <parameter type-id='feb59272' name='ept' filepath='drivers/rpmsg/rpmsg_core.c' line='107' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/rpmsg/rpmsg_core.c' line='107' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/rpmsg/rpmsg_core.c' line='107' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rpmsg_trysend' mangled-name='rpmsg_trysend' filepath='drivers/rpmsg/rpmsg_core.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_trysend'>
+        <parameter type-id='feb59272' name='ept' filepath='drivers/rpmsg/rpmsg_core.c' line='196' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/rpmsg/rpmsg_core.c' line='196' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/rpmsg/rpmsg_core.c' line='196' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rpmsg_unregister_device' mangled-name='rpmsg_unregister_device' filepath='drivers/rpmsg/rpmsg_core.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_unregister_device'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/rpmsg/rpmsg_core.c' line='621' column='1'/>
+        <parameter type-id='cc769659' name='chinfo' filepath='drivers/rpmsg/rpmsg_core.c' line='622' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rproc_add' mangled-name='rproc_add' filepath='drivers/remoteproc/remoteproc_core.c' line='2012' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_add'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2012' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rproc_add_subdev' mangled-name='rproc_add_subdev' filepath='drivers/remoteproc/remoteproc_core.c' line='2378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_add_subdev'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2378' column='1'/>
+        <parameter type-id='3591079f' name='subdev' filepath='drivers/remoteproc/remoteproc_core.c' line='2378' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rproc_alloc' mangled-name='rproc_alloc' filepath='drivers/remoteproc/remoteproc_core.c' line='2187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_alloc'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/remoteproc/remoteproc_core.c' line='2187' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/remoteproc/remoteproc_core.c' line='2187' column='1'/>
+        <parameter type-id='48daa4cd' name='ops' filepath='drivers/remoteproc/remoteproc_core.c' line='2188' column='1'/>
+        <parameter type-id='80f4b756' name='firmware' filepath='drivers/remoteproc/remoteproc_core.c' line='2189' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/remoteproc/remoteproc_core.c' line='2189' column='1'/>
+        <return type-id='5771c601'/>
+      </function-decl>
+      <function-decl name='rproc_coredump_add_custom_segment' mangled-name='rproc_coredump_add_custom_segment' filepath='drivers/remoteproc/remoteproc_coredump.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_coredump_add_custom_segment'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_coredump.c' line='79' column='1'/>
+        <parameter type-id='cf29c9b3' name='da' filepath='drivers/remoteproc/remoteproc_coredump.c' line='80' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/remoteproc/remoteproc_coredump.c' line='80' column='1'/>
+        <parameter type-id='244b1321' name='dumpfn' filepath='drivers/remoteproc/remoteproc_coredump.c' line='81' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/remoteproc/remoteproc_coredump.c' line='85' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rproc_coredump_add_segment' mangled-name='rproc_coredump_add_segment' filepath='drivers/remoteproc/remoteproc_coredump.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_coredump_add_segment'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_coredump.c' line='48' column='1'/>
+        <parameter type-id='cf29c9b3' name='da' filepath='drivers/remoteproc/remoteproc_coredump.c' line='48' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/remoteproc/remoteproc_coredump.c' line='48' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rproc_coredump_set_elf_info' mangled-name='rproc_coredump_set_elf_info' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_coredump_set_elf_info'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1'/>
+        <parameter type-id='f9b06939' name='class' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1'/>
+        <parameter type-id='1dc6a898' name='machine' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rproc_del' mangled-name='rproc_del' filepath='drivers/remoteproc/remoteproc_core.c' line='2300' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_del'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2300' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rproc_elf_get_boot_addr' mangled-name='rproc_elf_get_boot_addr' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_elf_get_boot_addr'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='126' column='1'/>
+        <parameter type-id='fce0537d' name='fw' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='126' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='rproc_free' mangled-name='rproc_free' filepath='drivers/remoteproc/remoteproc_core.c' line='2263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_free'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2263' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rproc_get_by_child' mangled-name='rproc_get_by_child' filepath='drivers/remoteproc/remoteproc_core.c' line='2401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_get_by_child'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/remoteproc/remoteproc_core.c' line='2401' column='1'/>
+        <return type-id='5771c601'/>
+      </function-decl>
+      <function-decl name='rproc_remove_subdev' mangled-name='rproc_remove_subdev' filepath='drivers/remoteproc/remoteproc_core.c' line='2389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_remove_subdev'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2389' column='1'/>
+        <parameter type-id='3591079f' name='subdev' filepath='drivers/remoteproc/remoteproc_core.c' line='2389' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rproc_report_crash' mangled-name='rproc_report_crash' filepath='drivers/remoteproc/remoteproc_core.c' line='2423' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_report_crash'>
+        <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2423' column='1'/>
+        <parameter type-id='25751b8f' name='type' filepath='drivers/remoteproc/remoteproc_core.c' line='2423' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='rps_needed' type-id='237c0d27' mangled-name='rps_needed' visibility='default' filepath='net/core/dev.c' line='4298' column='1' elf-symbol-id='rps_needed'/>
+      <function-decl name='rsa_parse_priv_key' mangled-name='rsa_parse_priv_key' filepath='crypto/rsa_helper.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rsa_parse_priv_key'>
+        <parameter type-id='5663f3d9' name='rsa_key' filepath='crypto/rsa_helper.c' line='181' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='crypto/rsa_helper.c' line='181' column='1'/>
+        <parameter type-id='f0981eeb' name='key_len' filepath='crypto/rsa_helper.c' line='182' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rsa_parse_pub_key' mangled-name='rsa_parse_pub_key' filepath='crypto/rsa_helper.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rsa_parse_pub_key'>
+        <parameter type-id='5663f3d9' name='rsa_key' filepath='crypto/rsa_helper.c' line='162' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='crypto/rsa_helper.c' line='162' column='1'/>
+        <parameter type-id='f0981eeb' name='key_len' filepath='crypto/rsa_helper.c' line='163' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rt_mutex_destroy' mangled-name='rt_mutex_destroy' filepath='kernel/locking/rtmutex.c' line='1658' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rt_mutex_destroy'>
+        <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1658' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rt_mutex_lock' mangled-name='rt_mutex_lock' filepath='kernel/locking/rtmutex.c' line='1496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rt_mutex_lock'>
+        <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1496' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rt_mutex_trylock' mangled-name='rt_mutex_trylock' filepath='kernel/locking/rtmutex.c' line='1582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rt_mutex_trylock'>
+        <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1582' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rt_mutex_unlock' mangled-name='rt_mutex_unlock' filepath='kernel/locking/rtmutex.c' line='1602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rt_mutex_unlock'>
+        <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1602' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rtc_class_close' mangled-name='rtc_class_close' filepath='drivers/rtc/interface.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_class_close'>
+        <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='717' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rtc_class_open' mangled-name='rtc_class_open' filepath='drivers/rtc/interface.c' line='697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_class_open'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/rtc/interface.c' line='697' column='1'/>
+        <return type-id='5992ae83'/>
+      </function-decl>
+      <function-decl name='rtc_read_time' mangled-name='rtc_read_time' filepath='drivers/rtc/interface.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_read_time'>
+        <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='110' column='1'/>
+        <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/interface.c' line='110' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rtc_set_time' mangled-name='rtc_set_time' filepath='drivers/rtc/interface.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_set_time'>
+        <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='126' column='1'/>
+        <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/interface.c' line='126' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rtc_time64_to_tm' mangled-name='rtc_time64_to_tm' filepath='drivers/rtc/lib.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_time64_to_tm'>
+        <parameter type-id='1afd27ac' name='time' filepath='drivers/rtc/lib.c' line='49' column='1'/>
+        <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/lib.c' line='49' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rtc_tm_to_ktime' mangled-name='rtc_tm_to_ktime' filepath='drivers/rtc/lib.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_tm_to_ktime'>
+        <parameter type-id='fa8285d4' name='tm' filepath='drivers/rtc/lib.c' line='125' column='1'/>
+        <return type-id='fbc017ef'/>
+      </function-decl>
+      <function-decl name='rtc_tm_to_time64' mangled-name='rtc_tm_to_time64' filepath='drivers/rtc/lib.c' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_tm_to_time64'>
+        <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/lib.c' line='115' column='1'/>
+        <return type-id='1afd27ac'/>
+      </function-decl>
+      <function-decl name='rtc_update_irq' mangled-name='rtc_update_irq' filepath='drivers/rtc/interface.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_update_irq'>
+        <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='686' column='1'/>
+        <parameter type-id='7359adad' name='num' filepath='drivers/rtc/interface.c' line='687' column='1'/>
+        <parameter type-id='7359adad' name='events' filepath='drivers/rtc/interface.c' line='687' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rtc_valid_tm' mangled-name='rtc_valid_tm' filepath='drivers/rtc/lib.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_valid_tm'>
+        <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/lib.c' line='94' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rtc_year_days' mangled-name='rtc_year_days' filepath='drivers/rtc/lib.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_year_days'>
+        <parameter type-id='f0981eeb' name='day' filepath='drivers/rtc/lib.c' line='39' column='1'/>
+        <parameter type-id='f0981eeb' name='month' filepath='drivers/rtc/lib.c' line='39' column='1'/>
+        <parameter type-id='f0981eeb' name='year' filepath='drivers/rtc/lib.c' line='39' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rtnl_is_locked' mangled-name='rtnl_is_locked' filepath='net/core/rtnetlink.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_is_locked'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rtnl_link_register' mangled-name='rtnl_link_register' filepath='net/core/rtnetlink.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_link_register'>
+        <parameter type-id='959ab461' name='ops' filepath='net/core/rtnetlink.c' line='396' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rtnl_link_unregister' mangled-name='rtnl_link_unregister' filepath='net/core/rtnetlink.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_link_unregister'>
+        <parameter type-id='959ab461' name='ops' filepath='net/core/rtnetlink.c' line='478' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rtnl_lock' mangled-name='rtnl_lock' filepath='net/core/rtnetlink.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_lock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='rtnl_trylock' mangled-name='rtnl_trylock' filepath='net/core/rtnetlink.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_trylock'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='rtnl_unlock' mangled-name='rtnl_unlock' filepath='net/core/rtnetlink.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_unlock'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='runqueues' type-id='d5ee6a94' mangled-name='runqueues' visibility='default' filepath='kernel/sched/core.c' line='58' column='1' elf-symbol-id='runqueues'/>
+      <function-decl name='sb800_prefetch' mangled-name='sb800_prefetch' filepath='drivers/usb/host/pci-quirks.c' line='194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sb800_prefetch'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/host/pci-quirks.c' line='194' column='1'/>
+        <parameter type-id='95e97e5e' name='on' filepath='drivers/usb/host/pci-quirks.c' line='194' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sbitmap_queue_min_shallow_depth' mangled-name='sbitmap_queue_min_shallow_depth' filepath='lib/sbitmap.c' line='483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_queue_min_shallow_depth'>
+        <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='483' column='1'/>
+        <parameter type-id='f0981eeb' name='min_shallow_depth' filepath='lib/sbitmap.c' line='484' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scatterwalk_ffwd' mangled-name='scatterwalk_ffwd' filepath='crypto/scatterwalk.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scatterwalk_ffwd'>
+        <parameter type-id='bf3ef905' name='dst' filepath='crypto/scatterwalk.c' line='72' column='1'/>
+        <parameter type-id='bf3ef905' name='src' filepath='crypto/scatterwalk.c' line='73' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='crypto/scatterwalk.c' line='74' column='1'/>
+        <return type-id='bf3ef905'/>
+      </function-decl>
+      <function-decl name='scatterwalk_map_and_copy' mangled-name='scatterwalk_map_and_copy' filepath='crypto/scatterwalk.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scatterwalk_map_and_copy'>
+        <parameter type-id='eaa32e2f' name='buf' filepath='crypto/scatterwalk.c' line='55' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='crypto/scatterwalk.c' line='55' column='1'/>
+        <parameter type-id='f0981eeb' name='start' filepath='crypto/scatterwalk.c' line='56' column='1'/>
+        <parameter type-id='f0981eeb' name='nbytes' filepath='crypto/scatterwalk.c' line='56' column='1'/>
+        <parameter type-id='95e97e5e' name='out' filepath='crypto/scatterwalk.c' line='56' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sched_clock' mangled-name='sched_clock' filepath='kernel/time/sched_clock.c' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_clock'>
+        <return type-id='0d77e947'/>
+      </function-decl>
+      <var-decl name='sched_feat_keys' type-id='9cc39ce1' mangled-name='sched_feat_keys' visibility='default' filepath='kernel/sched/debug.c' line='80' column='1' elf-symbol-id='sched_feat_keys'/>
+      <var-decl name='sched_feat_names' type-id='3604aecf' mangled-name='sched_feat_names' visibility='default' filepath='kernel/sched/debug.c' line='51' column='1' elf-symbol-id='sched_feat_names'/>
+      <function-decl name='sched_set_fifo' mangled-name='sched_set_fifo' filepath='kernel/sched/core.c' line='5841' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_set_fifo'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5841' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sched_set_fifo_low' mangled-name='sched_set_fifo_low' filepath='kernel/sched/core.c' line='5851' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_set_fifo_low'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5851' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sched_set_normal' mangled-name='sched_set_normal' filepath='kernel/sched/core.c' line='5858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_set_normal'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5858' column='1'/>
+        <parameter type-id='95e97e5e' name='nice' filepath='kernel/sched/core.c' line='5858' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sched_setattr_nocheck' mangled-name='sched_setattr_nocheck' filepath='kernel/sched/core.c' line='5797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_setattr_nocheck'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5797' column='1'/>
+        <parameter type-id='8abbb6c3' name='attr' filepath='kernel/sched/core.c' line='5797' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sched_setscheduler' mangled-name='sched_setscheduler' filepath='kernel/sched/core.c' line='5784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_setscheduler'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5784' column='1'/>
+        <parameter type-id='95e97e5e' name='policy' filepath='kernel/sched/core.c' line='5784' column='1'/>
+        <parameter type-id='36fca399' name='param' filepath='kernel/sched/core.c' line='5785' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sched_setscheduler_nocheck' mangled-name='sched_setscheduler_nocheck' filepath='kernel/sched/core.c' line='5816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_setscheduler_nocheck'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5816' column='1'/>
+        <parameter type-id='95e97e5e' name='policy' filepath='kernel/sched/core.c' line='5816' column='1'/>
+        <parameter type-id='36fca399' name='param' filepath='kernel/sched/core.c' line='5817' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sched_show_task' mangled-name='sched_show_task' filepath='kernel/sched/core.c' line='6717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_show_task'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='6717' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sched_trace_cfs_rq_avg' mangled-name='sched_trace_cfs_rq_avg' filepath='kernel/sched/fair.c' line='11757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_cfs_rq_avg'>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='kernel/sched/fair.c' line='11757' column='1'/>
+        <return type-id='847e6fee'/>
+      </function-decl>
+      <function-decl name='sched_trace_cfs_rq_cpu' mangled-name='sched_trace_cfs_rq_cpu' filepath='kernel/sched/fair.c' line='11781' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_cfs_rq_cpu'>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='kernel/sched/fair.c' line='11781' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sched_trace_cfs_rq_path' mangled-name='sched_trace_cfs_rq_path' filepath='kernel/sched/fair.c' line='11767' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_cfs_rq_path'>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='kernel/sched/fair.c' line='11767' column='1'/>
+        <parameter type-id='26a90f95' name='str' filepath='kernel/sched/fair.c' line='11767' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='kernel/sched/fair.c' line='11767' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='sched_trace_rd_span' mangled-name='sched_trace_rd_span' filepath='kernel/sched/fair.c' line='11835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rd_span'>
+        <parameter type-id='c13bca88' name='rd' filepath='kernel/sched/fair.c' line='11835' column='1'/>
+        <return type-id='5f8a1ac4'/>
+      </function-decl>
+      <function-decl name='sched_trace_rq_avg_dl' mangled-name='sched_trace_rq_avg_dl' filepath='kernel/sched/fair.c' line='11797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_avg_dl'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11797' column='1'/>
+        <return type-id='847e6fee'/>
+      </function-decl>
+      <function-decl name='sched_trace_rq_avg_irq' mangled-name='sched_trace_rq_avg_irq' filepath='kernel/sched/fair.c' line='11807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_avg_irq'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11807' column='1'/>
+        <return type-id='847e6fee'/>
+      </function-decl>
+      <function-decl name='sched_trace_rq_avg_rt' mangled-name='sched_trace_rq_avg_rt' filepath='kernel/sched/fair.c' line='11787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_avg_rt'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11787' column='1'/>
+        <return type-id='847e6fee'/>
+      </function-decl>
+      <function-decl name='sched_trace_rq_cpu' mangled-name='sched_trace_rq_cpu' filepath='kernel/sched/fair.c' line='11817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_cpu'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11817' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='sched_uclamp_used' type-id='237c0d27' mangled-name='sched_uclamp_used' visibility='default' filepath='kernel/sched/core.c' line='972' column='1' elf-symbol-id='sched_uclamp_used'/>
+      <function-decl name='schedule' mangled-name='schedule' filepath='kernel/sched/core.c' line='4875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='schedule_hrtimeout' mangled-name='schedule_hrtimeout' filepath='kernel/time/hrtimer.c' line='2282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_hrtimeout'>
+        <parameter type-id='44372936' name='expires' filepath='kernel/time/hrtimer.c' line='2282' column='1'/>
+        <parameter type-id='9bedc94f' name='mode' filepath='kernel/time/hrtimer.c' line='2283' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='schedule_timeout' mangled-name='schedule_timeout' filepath='kernel/time/timer.c' line='1844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_timeout'>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/time/timer.c' line='1844' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='schedule_timeout_interruptible' mangled-name='schedule_timeout_interruptible' filepath='kernel/time/timer.c' line='1900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_timeout_interruptible'>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/time/timer.c' line='1900' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='schedule_timeout_uninterruptible' mangled-name='schedule_timeout_uninterruptible' filepath='kernel/time/timer.c' line='1914' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_timeout_uninterruptible'>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/time/timer.c' line='1914' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='scmi_driver_register' mangled-name='scmi_driver_register' filepath='drivers/firmware/arm_scmi/bus.c' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scmi_driver_register'>
+        <parameter type-id='7f2f8862' name='driver' filepath='drivers/firmware/arm_scmi/bus.c' line='137' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/firmware/arm_scmi/bus.c' line='137' column='1'/>
+        <parameter type-id='80f4b756' name='mod_name' filepath='drivers/firmware/arm_scmi/bus.c' line='138' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scmi_driver_unregister' mangled-name='scmi_driver_unregister' filepath='drivers/firmware/arm_scmi/bus.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scmi_driver_unregister'>
+        <parameter type-id='7f2f8862' name='driver' filepath='drivers/firmware/arm_scmi/bus.c' line='162' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scnprintf' mangled-name='scnprintf' filepath='lib/vsprintf.c' line='2835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scnprintf'>
+        <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2835' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/vsprintf.c' line='2835' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2835' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_add_host_with_dma' mangled-name='scsi_add_host_with_dma' filepath='drivers/scsi/hosts.c' line='209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_add_host_with_dma'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/hosts.c' line='209' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/hosts.c' line='209' column='1'/>
+        <parameter type-id='fa0b179b' name='dma_dev' filepath='drivers/scsi/hosts.c' line='210' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_autopm_get_device' mangled-name='scsi_autopm_get_device' filepath='drivers/scsi/scsi_pm.c' line='216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_autopm_get_device'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_pm.c' line='216' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_autopm_put_device' mangled-name='scsi_autopm_put_device' filepath='drivers/scsi/scsi_pm.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_autopm_put_device'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_pm.c' line='229' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_block_requests' mangled-name='scsi_block_requests' filepath='drivers/scsi/scsi_lib.c' line='1977' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_block_requests'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_lib.c' line='1977' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_block_when_processing_errors' mangled-name='scsi_block_when_processing_errors' filepath='drivers/scsi/scsi_error.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_block_when_processing_errors'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_error.c' line='342' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_build_sense_buffer' mangled-name='scsi_build_sense_buffer' filepath='drivers/scsi/scsi_common.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_build_sense_buffer'>
+        <parameter type-id='95e97e5e' name='desc' filepath='drivers/scsi/scsi_common.c' line='232' column='1'/>
+        <parameter type-id='8bff8096' name='buf' filepath='drivers/scsi/scsi_common.c' line='232' column='1'/>
+        <parameter type-id='f9b06939' name='key' filepath='drivers/scsi/scsi_common.c' line='232' column='1'/>
+        <parameter type-id='f9b06939' name='asc' filepath='drivers/scsi/scsi_common.c' line='232' column='1'/>
+        <parameter type-id='f9b06939' name='ascq' filepath='drivers/scsi/scsi_common.c' line='232' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_change_queue_depth' mangled-name='scsi_change_queue_depth' filepath='drivers/scsi/scsi.c' line='215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_change_queue_depth'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi.c' line='215' column='1'/>
+        <parameter type-id='95e97e5e' name='depth' filepath='drivers/scsi/scsi.c' line='215' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='scsi_command_size_tbl' type-id='561570b5' mangled-name='scsi_command_size_tbl' visibility='default' filepath='block/scsi_ioctl.c' line='33' column='1' elf-symbol-id='scsi_command_size_tbl'/>
+      <function-decl name='scsi_compat_ioctl' mangled-name='scsi_compat_ioctl' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_compat_ioctl'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1'/>
+        <parameter type-id='95e97e5e' name='cmd' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1'/>
+        <parameter type-id='eaa32e2f' name='arg' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_device_get' mangled-name='scsi_device_get' filepath='drivers/scsi/scsi.c' line='519' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_device_get'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi.c' line='519' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_device_put' mangled-name='scsi_device_put' filepath='drivers/scsi/scsi.c' line='544' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_device_put'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi.c' line='544' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_host_alloc' mangled-name='scsi_host_alloc' filepath='drivers/scsi/hosts.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_host_alloc'>
+        <parameter type-id='36265581' name='sht' filepath='drivers/scsi/hosts.c' line='376' column='1'/>
+        <parameter type-id='95e97e5e' name='privsize' filepath='drivers/scsi/hosts.c' line='376' column='1'/>
+        <return type-id='a970a64c'/>
+      </function-decl>
+      <function-decl name='scsi_host_put' mangled-name='scsi_host_put' filepath='drivers/scsi/hosts.c' line='601' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_host_put'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/hosts.c' line='601' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_ioctl' mangled-name='scsi_ioctl' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_ioctl'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1'/>
+        <parameter type-id='95e97e5e' name='cmd' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1'/>
+        <parameter type-id='eaa32e2f' name='arg' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_ioctl_block_when_processing_errors' mangled-name='scsi_ioctl_block_when_processing_errors' filepath='drivers/scsi/scsi_ioctl.c' line='306' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_ioctl_block_when_processing_errors'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_ioctl.c' line='306' column='1'/>
+        <parameter type-id='95e97e5e' name='cmd' filepath='drivers/scsi/scsi_ioctl.c' line='306' column='1'/>
+        <parameter type-id='b50a4934' name='ndelay' filepath='drivers/scsi/scsi_ioctl.c' line='307' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_normalize_sense' mangled-name='scsi_normalize_sense' filepath='drivers/scsi/scsi_common.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_normalize_sense'>
+        <parameter type-id='bbaf3419' name='sense_buffer' filepath='drivers/scsi/scsi_common.c' line='138' column='1'/>
+        <parameter type-id='95e97e5e' name='sb_len' filepath='drivers/scsi/scsi_common.c' line='138' column='1'/>
+        <parameter type-id='991b8213' name='sshdr' filepath='drivers/scsi/scsi_common.c' line='139' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='scsi_register_interface' mangled-name='scsi_register_interface' filepath='drivers/scsi/scsi_sysfs.c' line='1590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_register_interface'>
+        <parameter type-id='ec167ceb' name='intf' filepath='drivers/scsi/scsi_sysfs.c' line='1590' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_remove_device' mangled-name='scsi_remove_device' filepath='drivers/scsi/scsi_sysfs.c' line='1504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_remove_device'>
+        <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_sysfs.c' line='1504' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_remove_host' mangled-name='scsi_remove_host' filepath='drivers/scsi/hosts.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_remove_host'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/hosts.c' line='164' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_scan_host' mangled-name='scsi_scan_host' filepath='drivers/scsi/scsi_scan.c' line='1855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_scan_host'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_scan.c' line='1855' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='scsi_set_sense_information' mangled-name='scsi_set_sense_information' filepath='drivers/scsi/scsi_common.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_set_sense_information'>
+        <parameter type-id='8bff8096' name='buf' filepath='drivers/scsi/scsi_common.c' line='260' column='1'/>
+        <parameter type-id='95e97e5e' name='buf_len' filepath='drivers/scsi/scsi_common.c' line='260' column='1'/>
+        <parameter type-id='91ce1af9' name='info' filepath='drivers/scsi/scsi_common.c' line='260' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='scsi_unblock_requests' mangled-name='scsi_unblock_requests' filepath='drivers/scsi/scsi_lib.c' line='1993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_unblock_requests'>
+        <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_lib.c' line='1993' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdev_prefix_printk' mangled-name='sdev_prefix_printk' filepath='drivers/scsi/scsi_logging.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdev_prefix_printk'>
+        <parameter type-id='80f4b756' name='level' filepath='drivers/scsi/scsi_logging.c' line='53' column='1'/>
+        <parameter type-id='0f176ec1' name='sdev' filepath='drivers/scsi/scsi_logging.c' line='53' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/scsi/scsi_logging.c' line='54' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='drivers/scsi/scsi_logging.c' line='54' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_add_host' mangled-name='sdhci_add_host' filepath='drivers/mmc/host/sdhci.c' line='4819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_add_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4819' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdhci_adma_write_desc' mangled-name='sdhci_adma_write_desc' filepath='drivers/mmc/host/sdhci.c' line='688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_adma_write_desc'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='688' column='1'/>
+        <parameter type-id='63e171df' name='desc' filepath='drivers/mmc/host/sdhci.c' line='688' column='1'/>
+        <parameter type-id='cf29c9b3' name='addr' filepath='drivers/mmc/host/sdhci.c' line='689' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/mmc/host/sdhci.c' line='689' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='drivers/mmc/host/sdhci.c' line='689' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_cleanup_host' mangled-name='sdhci_cleanup_host' filepath='drivers/mmc/host/sdhci.c' line='4730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cleanup_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4730' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_cqe_disable' mangled-name='sdhci_cqe_disable' filepath='drivers/mmc/host/sdhci.c' line='3909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cqe_disable'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='3909' column='1'/>
+        <parameter type-id='b50a4934' name='recovery' filepath='drivers/mmc/host/sdhci.c' line='3909' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_cqe_enable' mangled-name='sdhci_cqe_enable' filepath='drivers/mmc/host/sdhci.c' line='3865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cqe_enable'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='3865' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_cqe_irq' mangled-name='sdhci_cqe_irq' filepath='drivers/mmc/host/sdhci.c' line='3933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cqe_irq'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3933' column='1'/>
+        <parameter type-id='19c2251e' name='intmask' filepath='drivers/mmc/host/sdhci.c' line='3933' column='1'/>
+        <parameter type-id='7292109c' name='cmd_error' filepath='drivers/mmc/host/sdhci.c' line='3933' column='1'/>
+        <parameter type-id='7292109c' name='data_error' filepath='drivers/mmc/host/sdhci.c' line='3934' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='sdhci_dumpregs' mangled-name='sdhci_dumpregs' filepath='drivers/mmc/host/sdhci.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_dumpregs'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='56' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_enable_clk' mangled-name='sdhci_enable_clk' filepath='drivers/mmc/host/sdhci.c' line='1956' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_enable_clk'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='1956' column='1'/>
+        <parameter type-id='1dc6a898' name='clk' filepath='drivers/mmc/host/sdhci.c' line='1956' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_enable_sdio_irq' mangled-name='sdhci_enable_sdio_irq' filepath='drivers/mmc/host/sdhci.c' line='2561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_enable_sdio_irq'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='2561' column='1'/>
+        <parameter type-id='95e97e5e' name='enable' filepath='drivers/mmc/host/sdhci.c' line='2561' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_execute_tuning' mangled-name='sdhci_execute_tuning' filepath='drivers/mmc/host/sdhci.c' line='2863' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_execute_tuning'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='2863' column='1'/>
+        <parameter type-id='19c2251e' name='opcode' filepath='drivers/mmc/host/sdhci.c' line='2863' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdhci_get_property' mangled-name='sdhci_get_property' filepath='drivers/mmc/host/sdhci-pltfm.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_get_property'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='79' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_pltfm_clk_get_max_clock' mangled-name='sdhci_pltfm_clk_get_max_clock' filepath='drivers/mmc/host/sdhci-pltfm.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_clk_get_max_clock'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci-pltfm.c' line='28' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='sdhci_pltfm_free' mangled-name='sdhci_pltfm_free' filepath='drivers/mmc/host/sdhci-pltfm.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_free'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='165' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_pltfm_init' mangled-name='sdhci_pltfm_init' filepath='drivers/mmc/host/sdhci-pltfm.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_init'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='116' column='1'/>
+        <parameter type-id='168dc242' name='pdata' filepath='drivers/mmc/host/sdhci-pltfm.c' line='117' column='1'/>
+        <parameter type-id='b59d7dce' name='priv_size' filepath='drivers/mmc/host/sdhci-pltfm.c' line='118' column='1'/>
+        <return type-id='2661e0d9'/>
+      </function-decl>
+      <function-decl name='sdhci_pltfm_unregister' mangled-name='sdhci_pltfm_unregister' filepath='drivers/mmc/host/sdhci-pltfm.c' line='194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_unregister'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='194' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdhci_remove_host' mangled-name='sdhci_remove_host' filepath='drivers/mmc/host/sdhci.c' line='4840' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_remove_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4840' column='1'/>
+        <parameter type-id='95e97e5e' name='dead' filepath='drivers/mmc/host/sdhci.c' line='4840' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_request' mangled-name='sdhci_request' filepath='drivers/mmc/host/sdhci.c' line='2152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_request'>
+        <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='2152' column='1'/>
+        <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/host/sdhci.c' line='2152' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_reset' mangled-name='sdhci_reset' filepath='drivers/mmc/host/sdhci.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_reset'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='204' column='1'/>
+        <parameter type-id='f9b06939' name='mask' filepath='drivers/mmc/host/sdhci.c' line='204' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_resume_host' mangled-name='sdhci_resume_host' filepath='drivers/mmc/host/sdhci.c' line='3745' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_resume_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3745' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdhci_runtime_resume_host' mangled-name='sdhci_runtime_resume_host' filepath='drivers/mmc/host/sdhci.c' line='3806' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_runtime_resume_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3806' column='1'/>
+        <parameter type-id='95e97e5e' name='soft_reset' filepath='drivers/mmc/host/sdhci.c' line='3806' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdhci_runtime_suspend_host' mangled-name='sdhci_runtime_suspend_host' filepath='drivers/mmc/host/sdhci.c' line='3784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_runtime_suspend_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3784' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdhci_send_tuning' mangled-name='sdhci_send_tuning' filepath='drivers/mmc/host/sdhci.c' line='2769' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_send_tuning'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2769' column='1'/>
+        <parameter type-id='19c2251e' name='opcode' filepath='drivers/mmc/host/sdhci.c' line='2769' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_set_bus_width' mangled-name='sdhci_set_bus_width' filepath='drivers/mmc/host/sdhci.c' line='2218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_bus_width'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2218' column='1'/>
+        <parameter type-id='95e97e5e' name='width' filepath='drivers/mmc/host/sdhci.c' line='2218' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_set_clock' mangled-name='sdhci_set_clock' filepath='drivers/mmc/host/sdhci.c' line='2008' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_clock'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2008' column='1'/>
+        <parameter type-id='f0981eeb' name='clock' filepath='drivers/mmc/host/sdhci.c' line='2008' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_set_power_and_bus_voltage' mangled-name='sdhci_set_power_and_bus_voltage' filepath='drivers/mmc/host/sdhci.c' line='2133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_power_and_bus_voltage'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2133' column='1'/>
+        <parameter type-id='002ac4a6' name='mode' filepath='drivers/mmc/host/sdhci.c' line='2134' column='1'/>
+        <parameter type-id='8efea9e5' name='vdd' filepath='drivers/mmc/host/sdhci.c' line='2135' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_set_power_noreg' mangled-name='sdhci_set_power_noreg' filepath='drivers/mmc/host/sdhci.c' line='2037' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_power_noreg'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2037' column='1'/>
+        <parameter type-id='002ac4a6' name='mode' filepath='drivers/mmc/host/sdhci.c' line='2037' column='1'/>
+        <parameter type-id='8efea9e5' name='vdd' filepath='drivers/mmc/host/sdhci.c' line='2038' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_set_uhs_signaling' mangled-name='sdhci_set_uhs_signaling' filepath='drivers/mmc/host/sdhci.c' line='2238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_uhs_signaling'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2238' column='1'/>
+        <parameter type-id='f0981eeb' name='timing' filepath='drivers/mmc/host/sdhci.c' line='2238' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdhci_setup_host' mangled-name='sdhci_setup_host' filepath='drivers/mmc/host/sdhci.c' line='4181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_setup_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4181' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdhci_suspend_host' mangled-name='sdhci_suspend_host' filepath='drivers/mmc/host/sdhci.c' line='3726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_suspend_host'>
+        <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3726' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_claim_host' mangled-name='sdio_claim_host' filepath='drivers/mmc/core/sdio_io.c' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_claim_host'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='27' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_claim_irq' mangled-name='sdio_claim_irq' filepath='drivers/mmc/core/sdio_irq.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_claim_irq'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_irq.c' line='299' column='1'/>
+        <parameter type-id='1d186b8b' name='handler' filepath='drivers/mmc/core/sdio_irq.c' line='299' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_disable_func' mangled-name='sdio_disable_func' filepath='drivers/mmc/core/sdio_io.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_disable_func'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='110' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_enable_func' mangled-name='sdio_enable_func' filepath='drivers/mmc/core/sdio_io.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_enable_func'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='59' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_f0_readb' mangled-name='sdio_f0_readb' filepath='drivers/mmc/core/sdio_io.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_f0_readb'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='631' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='631' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='632' column='1'/>
+        <return type-id='002ac4a6'/>
+      </function-decl>
+      <function-decl name='sdio_f0_writeb' mangled-name='sdio_f0_writeb' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_f0_writeb'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1'/>
+        <parameter type-id='002ac4a6' name='b' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='668' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_get_host_pm_caps' mangled-name='sdio_get_host_pm_caps' filepath='drivers/mmc/core/sdio_io.c' line='700' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_get_host_pm_caps'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='700' column='1'/>
+        <return type-id='208a5a8d'/>
+      </function-decl>
+      <function-decl name='sdio_memcpy_fromio' mangled-name='sdio_memcpy_fromio' filepath='drivers/mmc/core/sdio_io.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_memcpy_fromio'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='468' column='1'/>
+        <parameter type-id='eaa32e2f' name='dst' filepath='drivers/mmc/core/sdio_io.c' line='468' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='469' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='469' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_memcpy_toio' mangled-name='sdio_memcpy_toio' filepath='drivers/mmc/core/sdio_io.c' line='485' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_memcpy_toio'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='485' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='485' column='1'/>
+        <parameter type-id='eaa32e2f' name='src' filepath='drivers/mmc/core/sdio_io.c' line='486' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='486' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_readb' mangled-name='sdio_readb' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_readb'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1'/>
+        <return type-id='f9b06939'/>
+      </function-decl>
+      <function-decl name='sdio_readl' mangled-name='sdio_readl' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_readl'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='sdio_readsb' mangled-name='sdio_readsb' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_readsb'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1'/>
+        <parameter type-id='eaa32e2f' name='dst' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='503' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_readw' mangled-name='sdio_readw' filepath='drivers/mmc/core/sdio_io.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_readw'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='536' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='536' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='536' column='1'/>
+        <return type-id='1dc6a898'/>
+      </function-decl>
+      <function-decl name='sdio_register_driver' mangled-name='sdio_register_driver' filepath='drivers/mmc/core/sdio_bus.c' line='272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_register_driver'>
+        <parameter type-id='710bea3d' name='drv' filepath='drivers/mmc/core/sdio_bus.c' line='272' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_release_host' mangled-name='sdio_release_host' filepath='drivers/mmc/core/sdio_io.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_release_host'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='43' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_release_irq' mangled-name='sdio_release_irq' filepath='drivers/mmc/core/sdio_irq.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_release_irq'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_irq.c' line='342' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_retune_crc_disable' mangled-name='sdio_retune_crc_disable' filepath='drivers/mmc/core/sdio_io.c' line='759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_retune_crc_disable'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='759' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_retune_crc_enable' mangled-name='sdio_retune_crc_enable' filepath='drivers/mmc/core/sdio_io.c' line='771' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_retune_crc_enable'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='771' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_retune_hold_now' mangled-name='sdio_retune_hold_now' filepath='drivers/mmc/core/sdio_io.c' line='794' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_retune_hold_now'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='794' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_retune_release' mangled-name='sdio_retune_release' filepath='drivers/mmc/core/sdio_io.c' line='810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_retune_release'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='810' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_set_block_size' mangled-name='sdio_set_block_size' filepath='drivers/mmc/core/sdio_io.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_set_block_size'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='159' column='1'/>
+        <parameter type-id='f0981eeb' name='blksz' filepath='drivers/mmc/core/sdio_io.c' line='159' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_set_host_pm_flags' mangled-name='sdio_set_host_pm_flags' filepath='drivers/mmc/core/sdio_io.c' line='722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_set_host_pm_flags'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='722' column='1'/>
+        <parameter type-id='208a5a8d' name='flags' filepath='drivers/mmc/core/sdio_io.c' line='722' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_signal_irq' mangled-name='sdio_signal_irq' filepath='drivers/mmc/core/sdio_irq.c' line='132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_signal_irq'>
+        <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/sdio_irq.c' line='132' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_unregister_driver' mangled-name='sdio_unregister_driver' filepath='drivers/mmc/core/sdio_bus.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_unregister_driver'>
+        <parameter type-id='710bea3d' name='drv' filepath='drivers/mmc/core/sdio_bus.c' line='284' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_writeb' mangled-name='sdio_writeb' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writeb'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+        <parameter type-id='f9b06939' name='b' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_writel' mangled-name='sdio_writel' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writel'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+        <parameter type-id='19c2251e' name='b' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sdio_writesb' mangled-name='sdio_writesb' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writesb'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1'/>
+        <parameter type-id='eaa32e2f' name='src' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='520' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sdio_writew' mangled-name='sdio_writew' filepath='drivers/mmc/core/sdio_io.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writew'>
+        <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='561' column='1'/>
+        <parameter type-id='1dc6a898' name='b' filepath='drivers/mmc/core/sdio_io.c' line='561' column='1'/>
+        <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='561' column='1'/>
+        <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='561' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='send_sig' mangled-name='send_sig' filepath='kernel/signal.c' line='1625' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='send_sig'>
+        <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='1625' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/signal.c' line='1625' column='1'/>
+        <parameter type-id='95e97e5e' name='priv' filepath='kernel/signal.c' line='1625' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='send_sig_info' mangled-name='send_sig_info' filepath='kernel/signal.c' line='1608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='send_sig_info'>
+        <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='1608' column='1'/>
+        <parameter type-id='0effb5d0' name='info' filepath='kernel/signal.c' line='1608' column='1'/>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/signal.c' line='1608' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='seq_hex_dump' mangled-name='seq_hex_dump' filepath='fs/seq_file.c' line='852' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_hex_dump'>
+        <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='852' column='1'/>
+        <parameter type-id='80f4b756' name='prefix_str' filepath='fs/seq_file.c' line='852' column='1'/>
+        <parameter type-id='95e97e5e' name='prefix_type' filepath='fs/seq_file.c' line='852' column='1'/>
+        <parameter type-id='95e97e5e' name='rowsize' filepath='fs/seq_file.c' line='853' column='1'/>
+        <parameter type-id='95e97e5e' name='groupsize' filepath='fs/seq_file.c' line='853' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='fs/seq_file.c' line='853' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='fs/seq_file.c' line='853' column='1'/>
+        <parameter type-id='b50a4934' name='ascii' filepath='fs/seq_file.c' line='854' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='seq_list_next' mangled-name='seq_list_next' filepath='fs/seq_file.c' line='912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_list_next'>
+        <parameter type-id='eaa32e2f' name='v' filepath='fs/seq_file.c' line='912' column='1'/>
+        <parameter type-id='e84b031a' name='head' filepath='fs/seq_file.c' line='912' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/seq_file.c' line='912' column='1'/>
+        <return type-id='e84b031a'/>
+      </function-decl>
+      <function-decl name='seq_list_start' mangled-name='seq_list_start' filepath='fs/seq_file.c' line='891' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_list_start'>
+        <parameter type-id='e84b031a' name='head' filepath='fs/seq_file.c' line='891' column='1'/>
+        <parameter type-id='69bf7bee' name='pos' filepath='fs/seq_file.c' line='891' column='1'/>
+        <return type-id='e84b031a'/>
+      </function-decl>
+      <function-decl name='seq_lseek' mangled-name='seq_lseek' filepath='fs/seq_file.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_lseek'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='308' column='1'/>
+        <parameter type-id='69bf7bee' name='offset' filepath='fs/seq_file.c' line='308' column='1'/>
+        <parameter type-id='95e97e5e' name='whence' filepath='fs/seq_file.c' line='308' column='1'/>
+        <return type-id='69bf7bee'/>
+      </function-decl>
+      <function-decl name='seq_open' mangled-name='seq_open' filepath='fs/seq_file.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_open'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='57' column='1'/>
+        <parameter type-id='943a1b48' name='op' filepath='fs/seq_file.c' line='57' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='seq_printf' mangled-name='seq_printf' filepath='fs/seq_file.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_printf'>
+        <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='408' column='1'/>
+        <parameter type-id='80f4b756' name='f' filepath='fs/seq_file.c' line='408' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='seq_putc' mangled-name='seq_putc' filepath='fs/seq_file.c' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_putc'>
+        <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='652' column='1'/>
+        <parameter type-id='a84c031d' name='c' filepath='fs/seq_file.c' line='652' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='seq_puts' mangled-name='seq_puts' filepath='fs/seq_file.c' line='661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_puts'>
+        <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='661' column='1'/>
+        <parameter type-id='80f4b756' name='s' filepath='fs/seq_file.c' line='661' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='seq_read' mangled-name='seq_read' filepath='fs/seq_file.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_read'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='151' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/seq_file.c' line='151' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='fs/seq_file.c' line='151' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/seq_file.c' line='151' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='seq_release' mangled-name='seq_release' filepath='fs/seq_file.c' line='352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_release'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/seq_file.c' line='352' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='352' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='seq_release_private' mangled-name='seq_release_private' filepath='fs/seq_file.c' line='609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_release_private'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/seq_file.c' line='609' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='609' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='seq_vprintf' mangled-name='seq_vprintf' filepath='fs/seq_file.c' line='393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_vprintf'>
+        <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='393' column='1'/>
+        <parameter type-id='80f4b756' name='f' filepath='fs/seq_file.c' line='393' column='1'/>
+        <parameter type-id='2aee9912' name='args' filepath='fs/seq_file.c' line='393' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='seq_write' mangled-name='seq_write' filepath='fs/seq_file.c' line='818' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_write'>
+        <parameter type-id='f8dc9def' name='seq' filepath='fs/seq_file.c' line='818' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/seq_file.c' line='818' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='fs/seq_file.c' line='818' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='serial8250_clear_and_reinit_fifos' mangled-name='serial8250_clear_and_reinit_fifos' filepath='drivers/tty/serial/8250/8250_port.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_clear_and_reinit_fifos'>
+        <parameter type-id='b26c7631' name='p' filepath='drivers/tty/serial/8250/8250_port.c' line='549' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_do_pm' mangled-name='serial8250_do_pm' filepath='drivers/tty/serial/8250/8250_port.c' line='2892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_pm'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2892' column='1'/>
+        <parameter type-id='f0981eeb' name='state' filepath='drivers/tty/serial/8250/8250_port.c' line='2892' column='1'/>
+        <parameter type-id='f0981eeb' name='oldstate' filepath='drivers/tty/serial/8250/8250_port.c' line='2893' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_do_set_divisor' mangled-name='serial8250_do_set_divisor' filepath='drivers/tty/serial/8250/8250_port.c' line='2595' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_set_divisor'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2595' column='1'/>
+        <parameter type-id='f0981eeb' name='baud' filepath='drivers/tty/serial/8250/8250_port.c' line='2595' column='1'/>
+        <parameter type-id='f0981eeb' name='quot' filepath='drivers/tty/serial/8250/8250_port.c' line='2596' column='1'/>
+        <parameter type-id='f0981eeb' name='quot_frac' filepath='drivers/tty/serial/8250/8250_port.c' line='2596' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_do_set_ldisc' mangled-name='serial8250_do_set_ldisc' filepath='drivers/tty/serial/8250/8250_port.c' line='2865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_set_ldisc'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2865' column='1'/>
+        <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/serial/8250/8250_port.c' line='2865' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_do_set_termios' mangled-name='serial8250_do_set_termios' filepath='drivers/tty/serial/8250/8250_port.c' line='2718' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_set_termios'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2718' column='1'/>
+        <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/serial/8250/8250_port.c' line='2718' column='1'/>
+        <parameter type-id='e55856e5' name='old' filepath='drivers/tty/serial/8250/8250_port.c' line='2719' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_get_port' mangled-name='serial8250_get_port' filepath='drivers/tty/serial/8250/8250_core.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_get_port'>
+        <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='412' column='1'/>
+        <return type-id='b26c7631'/>
+      </function-decl>
+      <function-decl name='serial8250_handle_irq' mangled-name='serial8250_handle_irq' filepath='drivers/tty/serial/8250/8250_port.c' line='1887' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_handle_irq'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='1887' column='1'/>
+        <parameter type-id='f0981eeb' name='iir' filepath='drivers/tty/serial/8250/8250_port.c' line='1887' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='serial8250_register_8250_port' mangled-name='serial8250_register_8250_port' filepath='drivers/tty/serial/8250/8250_core.c' line='988' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_register_8250_port'>
+        <parameter type-id='b26c7631' name='up' filepath='drivers/tty/serial/8250/8250_core.c' line='988' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='serial8250_resume_port' mangled-name='serial8250_resume_port' filepath='drivers/tty/serial/8250/8250_core.c' line='785' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_resume_port'>
+        <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='785' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_suspend_port' mangled-name='serial8250_suspend_port' filepath='drivers/tty/serial/8250/8250_core.c' line='761' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_suspend_port'>
+        <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='761' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_unregister_port' mangled-name='serial8250_unregister_port' filepath='drivers/tty/serial/8250/8250_core.c' line='1142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_unregister_port'>
+        <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='1142' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serial8250_update_uartclk' mangled-name='serial8250_update_uartclk' filepath='drivers/tty/serial/8250/8250_port.c' line='2666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_update_uartclk'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2666' column='1'/>
+        <parameter type-id='f0981eeb' name='uartclk' filepath='drivers/tty/serial/8250/8250_port.c' line='2666' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serio_close' mangled-name='serio_close' filepath='drivers/input/serio/serio.c' line='984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_close'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='984' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serio_interrupt' mangled-name='serio_interrupt' filepath='drivers/input/serio/serio.c' line='993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_interrupt'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='993' column='1'/>
+        <parameter type-id='002ac4a6' name='data' filepath='drivers/input/serio/serio.c' line='994' column='1'/>
+        <parameter type-id='f0981eeb' name='dfl' filepath='drivers/input/serio/serio.c' line='994' column='1'/>
+        <return type-id='4bdecfd7'/>
+      </function-decl>
+      <function-decl name='serio_open' mangled-name='serio_open' filepath='drivers/input/serio/serio.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_open'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='971' column='1'/>
+        <parameter type-id='1065554a' name='drv' filepath='drivers/input/serio/serio.c' line='971' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='serio_reconnect' mangled-name='serio_reconnect' filepath='drivers/input/serio/serio.c' line='685' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_reconnect'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='685' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serio_rescan' mangled-name='serio_rescan' filepath='drivers/input/serio/serio.c' line='679' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_rescan'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='679' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serio_unregister_child_port' mangled-name='serio_unregister_child_port' filepath='drivers/input/serio/serio.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_unregister_child_port'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='717' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serio_unregister_driver' mangled-name='serio_unregister_driver' filepath='drivers/input/serio/serio.c' line='853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_unregister_driver'>
+        <parameter type-id='1065554a' name='drv' filepath='drivers/input/serio/serio.c' line='853' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='serio_unregister_port' mangled-name='serio_unregister_port' filepath='drivers/input/serio/serio.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_unregister_port'>
+        <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='705' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='set_blocksize' mangled-name='set_blocksize' filepath='fs/block_dev.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_blocksize'>
+        <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='157' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='fs/block_dev.c' line='157' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='set_capacity_revalidate_and_notify' mangled-name='set_capacity_revalidate_and_notify' filepath='block/genhd.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_capacity_revalidate_and_notify'>
+        <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='52' column='1'/>
+        <parameter type-id='a42536cd' name='size' filepath='block/genhd.c' line='52' column='1'/>
+        <parameter type-id='b50a4934' name='update_bdev' filepath='block/genhd.c' line='53' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='set_cpus_allowed_ptr' mangled-name='set_cpus_allowed_ptr' filepath='kernel/sched/core.c' line='2095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_cpus_allowed_ptr'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='2095' column='1'/>
+        <parameter type-id='5f8a1ac4' name='new_mask' filepath='kernel/sched/core.c' line='2095' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='set_disk_ro' mangled-name='set_disk_ro' filepath='block/genhd.c' line='1857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_disk_ro'>
+        <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='1857' column='1'/>
+        <parameter type-id='95e97e5e' name='flag' filepath='block/genhd.c' line='1857' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='set_freezable' mangled-name='set_freezable' filepath='kernel/freezer.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_freezable'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='set_next_entity' mangled-name='set_next_entity' filepath='kernel/sched/fair.c' line='4649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_next_entity'>
+        <parameter type-id='a6892387' name='cfs_rq' filepath='kernel/sched/fair.c' line='4649' column='1'/>
+        <parameter type-id='ff2b3d10' name='se' filepath='kernel/sched/fair.c' line='4649' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='set_normalized_timespec64' mangled-name='set_normalized_timespec64' filepath='kernel/time/time.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_normalized_timespec64'>
+        <parameter type-id='4151733d' name='ts' filepath='kernel/time/time.c' line='478' column='1'/>
+        <parameter type-id='1afd27ac' name='sec' filepath='kernel/time/time.c' line='478' column='1'/>
+        <parameter type-id='9b7c55ef' name='nsec' filepath='kernel/time/time.c' line='478' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='set_page_dirty' mangled-name='set_page_dirty' filepath='mm/page-writeback.c' line='2563' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_page_dirty'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page-writeback.c' line='2563' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='set_page_dirty_lock' mangled-name='set_page_dirty_lock' filepath='mm/page-writeback.c' line='2606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_page_dirty_lock'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page-writeback.c' line='2606' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='set_task_cpu' mangled-name='set_task_cpu' filepath='kernel/sched/core.c' line='2169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_task_cpu'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='2169' column='1'/>
+        <parameter type-id='f0981eeb' name='new_cpu' filepath='kernel/sched/core.c' line='2169' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='set_user_nice' mangled-name='set_user_nice' filepath='kernel/sched/core.c' line='5244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_user_nice'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5244' column='1'/>
+        <parameter type-id='bd54fe1a' name='nice' filepath='kernel/sched/core.c' line='5244' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sg_alloc_table' mangled-name='sg_alloc_table' filepath='lib/scatterlist.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_alloc_table'>
+        <parameter type-id='4adb0e6a' name='table' filepath='lib/scatterlist.c' line='355' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='355' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/scatterlist.c' line='355' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sg_alloc_table_from_pages' mangled-name='sg_alloc_table_from_pages' filepath='lib/scatterlist.c' line='545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_alloc_table_from_pages'>
+        <parameter type-id='4adb0e6a' name='sgt' filepath='lib/scatterlist.c' line='545' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='lib/scatterlist.c' line='545' column='1'/>
+        <parameter type-id='f0981eeb' name='n_pages' filepath='lib/scatterlist.c' line='546' column='1'/>
+        <parameter type-id='f0981eeb' name='offset' filepath='lib/scatterlist.c' line='546' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='lib/scatterlist.c' line='547' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/scatterlist.c' line='547' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sg_copy_buffer' mangled-name='sg_copy_buffer' filepath='lib/scatterlist.c' line='921' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_copy_buffer'>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='921' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='921' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='921' column='1'/>
+        <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='922' column='1'/>
+        <parameter type-id='ad707ada' name='skip' filepath='lib/scatterlist.c' line='922' column='1'/>
+        <parameter type-id='b50a4934' name='to_buffer' filepath='lib/scatterlist.c' line='922' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='sg_copy_from_buffer' mangled-name='sg_copy_from_buffer' filepath='lib/scatterlist.c' line='967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_copy_from_buffer'>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='967' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='967' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='968' column='1'/>
+        <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='968' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='sg_copy_to_buffer' mangled-name='sg_copy_to_buffer' filepath='lib/scatterlist.c' line='984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_copy_to_buffer'>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='984' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='984' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='985' column='1'/>
+        <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='985' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='sg_free_table' mangled-name='sg_free_table' filepath='lib/scatterlist.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_free_table'>
+        <parameter type-id='4adb0e6a' name='table' filepath='lib/scatterlist.c' line='239' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sg_init_one' mangled-name='sg_init_one' filepath='lib/scatterlist.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_init_one'>
+        <parameter type-id='bf3ef905' name='sg' filepath='lib/scatterlist.c' line='138' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='138' column='1'/>
+        <parameter type-id='f0981eeb' name='buflen' filepath='lib/scatterlist.c' line='138' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sg_init_table' mangled-name='sg_init_table' filepath='lib/scatterlist.c' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_init_table'>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='124' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='124' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sg_last' mangled-name='sg_last' filepath='lib/scatterlist.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_last'>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='101' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='101' column='1'/>
+        <return type-id='bf3ef905'/>
+      </function-decl>
+      <function-decl name='sg_miter_next' mangled-name='sg_miter_next' filepath='lib/scatterlist.c' line='844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_miter_next'>
+        <parameter type-id='a462f2f9' name='miter' filepath='lib/scatterlist.c' line='844' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='sg_miter_start' mangled-name='sg_miter_start' filepath='lib/scatterlist.c' line='755' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_miter_start'>
+        <parameter type-id='a462f2f9' name='miter' filepath='lib/scatterlist.c' line='755' column='1'/>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='755' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='756' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='lib/scatterlist.c' line='756' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sg_miter_stop' mangled-name='sg_miter_stop' filepath='lib/scatterlist.c' line='881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_miter_stop'>
+        <parameter type-id='a462f2f9' name='miter' filepath='lib/scatterlist.c' line='881' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sg_nents' mangled-name='sg_nents' filepath='lib/scatterlist.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_nents'>
+        <parameter type-id='bf3ef905' name='sg' filepath='lib/scatterlist.c' line='45' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sg_nents_for_len' mangled-name='sg_nents_for_len' filepath='lib/scatterlist.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_nents_for_len'>
+        <parameter type-id='bf3ef905' name='sg' filepath='lib/scatterlist.c' line='68' column='1'/>
+        <parameter type-id='91ce1af9' name='len' filepath='lib/scatterlist.c' line='68' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sg_next' mangled-name='sg_next' filepath='lib/scatterlist.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_next'>
+        <parameter type-id='bf3ef905' name='sg' filepath='lib/scatterlist.c' line='23' column='1'/>
+        <return type-id='bf3ef905'/>
+      </function-decl>
+      <function-decl name='sg_pcopy_from_buffer' mangled-name='sg_pcopy_from_buffer' filepath='lib/scatterlist.c' line='1002' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_pcopy_from_buffer'>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='1002' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='1002' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='1003' column='1'/>
+        <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='1003' column='1'/>
+        <parameter type-id='ad707ada' name='skip' filepath='lib/scatterlist.c' line='1003' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='sg_pcopy_to_buffer' mangled-name='sg_pcopy_to_buffer' filepath='lib/scatterlist.c' line='1020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_pcopy_to_buffer'>
+        <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='1020' column='1'/>
+        <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='1020' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='1021' column='1'/>
+        <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='1021' column='1'/>
+        <parameter type-id='ad707ada' name='skip' filepath='lib/scatterlist.c' line='1021' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='sg_scsi_ioctl' mangled-name='sg_scsi_ioctl' filepath='block/scsi_ioctl.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_scsi_ioctl'>
+        <parameter type-id='e7d2a5fc' name='q' filepath='block/scsi_ioctl.c' line='407' column='1'/>
+        <parameter type-id='33c599da' name='disk' filepath='block/scsi_ioctl.c' line='407' column='1'/>
+        <parameter type-id='2665334e' name='mode' filepath='block/scsi_ioctl.c' line='407' column='1'/>
+        <parameter type-id='2926d4f3' name='sic' filepath='block/scsi_ioctl.c' line='408' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sha1_init' mangled-name='sha1_init' filepath='lib/sha1.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha1_init'>
+        <parameter type-id='cd1b45ab' name='buf' filepath='lib/sha1.c' line='129' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sha1_transform' mangled-name='sha1_transform' filepath='lib/sha1.c' line='86' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha1_transform'>
+        <parameter type-id='cd1b45ab' name='digest' filepath='lib/sha1.c' line='86' column='1'/>
+        <parameter type-id='80f4b756' name='data' filepath='lib/sha1.c' line='86' column='1'/>
+        <parameter type-id='cd1b45ab' name='array' filepath='lib/sha1.c' line='86' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='shash_free_singlespawn_instance' mangled-name='shash_free_singlespawn_instance' filepath='crypto/shash.c' line='619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shash_free_singlespawn_instance'>
+        <parameter type-id='9414c4b6' name='inst' filepath='crypto/shash.c' line='619' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='shash_register_instance' mangled-name='shash_register_instance' filepath='crypto/shash.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shash_register_instance'>
+        <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/shash.c' line='603' column='1'/>
+        <parameter type-id='9414c4b6' name='inst' filepath='crypto/shash.c' line='604' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='shmem_file_setup' mangled-name='shmem_file_setup' filepath='mm/shmem.c' line='4229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shmem_file_setup'>
+        <parameter type-id='80f4b756' name='name' filepath='mm/shmem.c' line='4229' column='1'/>
+        <parameter type-id='69bf7bee' name='size' filepath='mm/shmem.c' line='4229' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='mm/shmem.c' line='4229' column='1'/>
+        <return type-id='77e79a4b'/>
+      </function-decl>
+      <function-decl name='shmem_truncate_range' mangled-name='shmem_truncate_range' filepath='mm/shmem.c' line='1067' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shmem_truncate_range'>
+        <parameter type-id='7e666abe' name='inode' filepath='mm/shmem.c' line='1067' column='1'/>
+        <parameter type-id='69bf7bee' name='lstart' filepath='mm/shmem.c' line='1067' column='1'/>
+        <parameter type-id='69bf7bee' name='lend' filepath='mm/shmem.c' line='1067' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='si_meminfo' mangled-name='si_meminfo' filepath='mm/page_alloc.c' line='5745' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='si_meminfo'>
+        <parameter type-id='0f561784' name='val' filepath='mm/page_alloc.c' line='5745' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='simple_attr_open' mangled-name='simple_attr_open' filepath='fs/libfs.c' line='890' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_open'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/libfs.c' line='890' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='890' column='1'/>
+        <parameter type-id='dffc7428' name='get' filepath='fs/libfs.c' line='891' column='1'/>
+        <parameter type-id='0fb09eeb' name='set' filepath='fs/libfs.c' line='891' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='fs/libfs.c' line='892' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='simple_attr_read' mangled-name='simple_attr_read' filepath='fs/libfs.c' line='920' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_read'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='920' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/libfs.c' line='920' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='fs/libfs.c' line='921' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='921' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='simple_attr_release' mangled-name='simple_attr_release' filepath='fs/libfs.c' line='912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_release'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/libfs.c' line='912' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='912' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='simple_attr_write' mangled-name='simple_attr_write' filepath='fs/libfs.c' line='994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_write'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='994' column='1'/>
+        <parameter type-id='80f4b756' name='buf' filepath='fs/libfs.c' line='994' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='fs/libfs.c' line='995' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='995' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <var-decl name='simple_dir_inode_operations' type-id='c8e0fb8e' mangled-name='simple_dir_inode_operations' visibility='default' filepath='fs/libfs.c' line='240' column='1' elf-symbol-id='simple_dir_inode_operations'/>
+      <var-decl name='simple_dir_operations' type-id='b8ae588d' mangled-name='simple_dir_operations' visibility='default' filepath='fs/libfs.c' line='230' column='1' elf-symbol-id='simple_dir_operations'/>
+      <function-decl name='simple_open' mangled-name='simple_open' filepath='fs/libfs.c' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_open'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/libfs.c' line='385' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='385' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='simple_read_from_buffer' mangled-name='simple_read_from_buffer' filepath='fs/libfs.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_read_from_buffer'>
+        <parameter type-id='eaa32e2f' name='to' filepath='fs/libfs.c' line='717' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='fs/libfs.c' line='717' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='717' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='fs/libfs.c' line='718' column='1'/>
+        <parameter type-id='b59d7dce' name='available' filepath='fs/libfs.c' line='718' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='simple_statfs' mangled-name='simple_statfs' filepath='fs/libfs.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_statfs'>
+        <parameter type-id='27675065' name='dentry' filepath='fs/libfs.c' line='40' column='1'/>
+        <parameter type-id='087d687b' name='buf' filepath='fs/libfs.c' line='40' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='simple_strtol' mangled-name='simple_strtol' filepath='include/linux/kstrtox.h' line='146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtol'>
+        <parameter type-id='80f4b756'/>
+        <parameter type-id='9b23c9ad'/>
+        <parameter type-id='f0981eeb'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='simple_strtoll' mangled-name='simple_strtoll' filepath='lib/vsprintf.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtoll'>
+        <parameter type-id='80f4b756' name='cp' filepath='lib/vsprintf.c' line='153' column='1'/>
+        <parameter type-id='9b23c9ad' name='endp' filepath='lib/vsprintf.c' line='153' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/vsprintf.c' line='153' column='1'/>
+        <return type-id='1eb56b1e'/>
+      </function-decl>
+      <function-decl name='simple_strtoul' mangled-name='simple_strtoul' filepath='lib/vsprintf.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtoul'>
+        <parameter type-id='80f4b756' name='cp' filepath='lib/vsprintf.c' line='107' column='1'/>
+        <parameter type-id='9b23c9ad' name='endp' filepath='lib/vsprintf.c' line='107' column='1'/>
+        <parameter type-id='f0981eeb' name='base' filepath='lib/vsprintf.c' line='107' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='simple_strtoull' mangled-name='simple_strtoull' filepath='include/linux/kstrtox.h' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtoull'>
+        <parameter type-id='80f4b756'/>
+        <parameter type-id='9b23c9ad'/>
+        <parameter type-id='f0981eeb'/>
+        <return type-id='0d77e947'/>
+      </function-decl>
+      <function-decl name='simple_write_to_buffer' mangled-name='simple_write_to_buffer' filepath='fs/libfs.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_write_to_buffer'>
+        <parameter type-id='eaa32e2f' name='to' filepath='fs/libfs.c' line='752' column='1'/>
+        <parameter type-id='b59d7dce' name='available' filepath='fs/libfs.c' line='752' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='752' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='fs/libfs.c' line='753' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='fs/libfs.c' line='753' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='single_open' mangled-name='single_open' filepath='fs/seq_file.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='single_open'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='561' column='1'/>
+        <parameter type-id='0131eb61' name='show' filepath='fs/seq_file.c' line='561' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/seq_file.c' line='562' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='single_open_size' mangled-name='single_open_size' filepath='fs/seq_file.c' line='582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='single_open_size'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='582' column='1'/>
+        <parameter type-id='0131eb61' name='show' filepath='fs/seq_file.c' line='582' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='fs/seq_file.c' line='583' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='fs/seq_file.c' line='583' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='single_release' mangled-name='single_release' filepath='fs/seq_file.c' line='600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='single_release'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/seq_file.c' line='600' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='600' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sk_alloc' mangled-name='sk_alloc' filepath='net/core/sock.c' line='1757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sk_alloc'>
+        <parameter type-id='a2bff676' name='net' filepath='net/core/sock.c' line='1757' column='1'/>
+        <parameter type-id='95e97e5e' name='family' filepath='net/core/sock.c' line='1757' column='1'/>
+        <parameter type-id='3eb7c31c' name='priority' filepath='net/core/sock.c' line='1757' column='1'/>
+        <parameter type-id='d2524501' name='prot' filepath='net/core/sock.c' line='1758' column='1'/>
+        <parameter type-id='95e97e5e' name='kern' filepath='net/core/sock.c' line='1758' column='1'/>
+        <return type-id='f772df6d'/>
+      </function-decl>
+      <function-decl name='sk_free' mangled-name='sk_free' filepath='net/core/sock.c' line='1860' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sk_free'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='1860' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_add_rx_frag' mangled-name='skb_add_rx_frag' filepath='net/core/skbuff.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_add_rx_frag'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='557' column='1'/>
+        <parameter type-id='95e97e5e' name='i' filepath='net/core/skbuff.c' line='557' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='net/core/skbuff.c' line='557' column='1'/>
+        <parameter type-id='95e97e5e' name='off' filepath='net/core/skbuff.c' line='557' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='net/core/skbuff.c' line='558' column='1'/>
+        <parameter type-id='f0981eeb' name='truesize' filepath='net/core/skbuff.c' line='558' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_append' mangled-name='skb_append' filepath='net/core/skbuff.c' line='3242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_append'>
+        <parameter type-id='0fbf3cfd' name='old' filepath='net/core/skbuff.c' line='3242' column='1'/>
+        <parameter type-id='0fbf3cfd' name='newsk' filepath='net/core/skbuff.c' line='3242' column='1'/>
+        <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3242' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_checksum' mangled-name='skb_checksum' filepath='net/core/skbuff.c' line='2770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_checksum'>
+        <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='2770' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='2770' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='2771' column='1'/>
+        <parameter type-id='fbd88bba' name='csum' filepath='net/core/skbuff.c' line='2771' column='1'/>
+        <return type-id='fbd88bba'/>
+      </function-decl>
+      <function-decl name='skb_checksum_help' mangled-name='skb_checksum_help' filepath='net/core/dev.c' line='3232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_checksum_help'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3232' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skb_clone' mangled-name='skb_clone' filepath='net/core/skbuff.c' line='1448' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_clone'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1448' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1448' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='skb_coalesce_rx_frag' mangled-name='skb_coalesce_rx_frag' filepath='net/core/skbuff.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_coalesce_rx_frag'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='567' column='1'/>
+        <parameter type-id='95e97e5e' name='i' filepath='net/core/skbuff.c' line='567' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='net/core/skbuff.c' line='567' column='1'/>
+        <parameter type-id='f0981eeb' name='truesize' filepath='net/core/skbuff.c' line='568' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_copy' mangled-name='skb_copy' filepath='net/core/skbuff.c' line='1527' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy'>
+        <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='1527' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1527' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='skb_copy_bits' mangled-name='skb_copy_bits' filepath='net/core/skbuff.c' line='2246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_bits'>
+        <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='2246' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='2246' column='1'/>
+        <parameter type-id='eaa32e2f' name='to' filepath='net/core/skbuff.c' line='2246' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='2246' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skb_copy_datagram_iter' mangled-name='skb_copy_datagram_iter' filepath='net/core/datagram.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_datagram_iter'>
+        <parameter type-id='11f4a000' name='skb' filepath='net/core/datagram.c' line='529' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='net/core/datagram.c' line='529' column='1'/>
+        <parameter type-id='4fa10f9e' name='to' filepath='net/core/datagram.c' line='530' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='net/core/datagram.c' line='530' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skb_copy_expand' mangled-name='skb_copy_expand' filepath='net/core/skbuff.c' line='1787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_expand'>
+        <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='1787' column='1'/>
+        <parameter type-id='95e97e5e' name='newheadroom' filepath='net/core/skbuff.c' line='1788' column='1'/>
+        <parameter type-id='95e97e5e' name='newtailroom' filepath='net/core/skbuff.c' line='1788' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1789' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='skb_copy_ubufs' mangled-name='skb_copy_ubufs' filepath='net/core/skbuff.c' line='1360' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_ubufs'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1360' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1360' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skb_dequeue' mangled-name='skb_dequeue' filepath='net/core/skbuff.c' line='3096' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_dequeue'>
+        <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3096' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='skb_dequeue_tail' mangled-name='skb_dequeue_tail' filepath='net/core/skbuff.c' line='3116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_dequeue_tail'>
+        <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3116' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='skb_free_datagram' mangled-name='skb_free_datagram' filepath='net/core/datagram.c' line='323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_free_datagram'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/datagram.c' line='323' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/datagram.c' line='323' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_page_frag_refill' mangled-name='skb_page_frag_refill' filepath='net/core/sock.c' line='2491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_page_frag_refill'>
+        <parameter type-id='f0981eeb' name='sz' filepath='net/core/sock.c' line='2491' column='1'/>
+        <parameter type-id='a8d434b7' name='pfrag' filepath='net/core/sock.c' line='2491' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='net/core/sock.c' line='2491' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='skb_partial_csum_set' mangled-name='skb_partial_csum_set' filepath='net/core/skbuff.c' line='4865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_partial_csum_set'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='4865' column='1'/>
+        <parameter type-id='1dc6a898' name='start' filepath='net/core/skbuff.c' line='4865' column='1'/>
+        <parameter type-id='1dc6a898' name='off' filepath='net/core/skbuff.c' line='4865' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='skb_pull' mangled-name='skb_pull' filepath='net/core/skbuff.c' line='1949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_pull'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1949' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1949' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='skb_pull_rcsum' mangled-name='skb_pull_rcsum' filepath='net/core/skbuff.c' line='3679' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_pull_rcsum'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='3679' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='3679' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='skb_push' mangled-name='skb_push' filepath='net/core/skbuff.c' line='1929' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_push'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1929' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1929' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='skb_put' mangled-name='skb_put' filepath='net/core/skbuff.c' line='1908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_put'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1908' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1908' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='skb_queue_head' mangled-name='skb_queue_head' filepath='net/core/skbuff.c' line='3181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_queue_head'>
+        <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3181' column='1'/>
+        <parameter type-id='0fbf3cfd' name='newsk' filepath='net/core/skbuff.c' line='3181' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_queue_purge' mangled-name='skb_queue_purge' filepath='net/core/skbuff.c' line='3136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_queue_purge'>
+        <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3136' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_queue_tail' mangled-name='skb_queue_tail' filepath='net/core/skbuff.c' line='3202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_queue_tail'>
+        <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3202' column='1'/>
+        <parameter type-id='0fbf3cfd' name='newsk' filepath='net/core/skbuff.c' line='3202' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_realloc_headroom' mangled-name='skb_realloc_headroom' filepath='net/core/skbuff.c' line='1718' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_realloc_headroom'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1718' column='1'/>
+        <parameter type-id='f0981eeb' name='headroom' filepath='net/core/skbuff.c' line='1718' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='skb_recv_datagram' mangled-name='skb_recv_datagram' filepath='net/core/datagram.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_recv_datagram'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/datagram.c' line='312' column='1'/>
+        <parameter type-id='f0981eeb' name='flags' filepath='net/core/datagram.c' line='312' column='1'/>
+        <parameter type-id='95e97e5e' name='noblock' filepath='net/core/datagram.c' line='313' column='1'/>
+        <parameter type-id='7292109c' name='err' filepath='net/core/datagram.c' line='313' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='skb_set_owner_w' mangled-name='skb_set_owner_w' filepath='net/core/sock.c' line='2096' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_set_owner_w'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='2096' column='1'/>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='2096' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_store_bits' mangled-name='skb_store_bits' filepath='net/core/skbuff.c' line='2608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_store_bits'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='2608' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='2608' column='1'/>
+        <parameter type-id='eaa32e2f' name='from' filepath='net/core/skbuff.c' line='2608' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='2608' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skb_to_sgvec' mangled-name='skb_to_sgvec' filepath='net/core/skbuff.c' line='4440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_to_sgvec'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='4440' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='net/core/skbuff.c' line='4440' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='4440' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='4440' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skb_trim' mangled-name='skb_trim' filepath='net/core/skbuff.c' line='1964' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_trim'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1964' column='1'/>
+        <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1964' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_tstamp_tx' mangled-name='skb_tstamp_tx' filepath='net/core/skbuff.c' line='4819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_tstamp_tx'>
+        <parameter type-id='0fbf3cfd' name='orig_skb' filepath='net/core/skbuff.c' line='4819' column='1'/>
+        <parameter type-id='68197365' name='hwtstamps' filepath='net/core/skbuff.c' line='4820' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skb_unlink' mangled-name='skb_unlink' filepath='net/core/skbuff.c' line='3222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_unlink'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='3222' column='1'/>
+        <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3222' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='skcipher_alloc_instance_simple' mangled-name='skcipher_alloc_instance_simple' filepath='crypto/skcipher.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_alloc_instance_simple'>
+        <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/skcipher.c' line='936' column='1'/>
+        <parameter type-id='c161b868' name='tb' filepath='crypto/skcipher.c' line='936' column='1'/>
+        <return type-id='8e5a8430'/>
+      </function-decl>
+      <function-decl name='skcipher_register_instance' mangled-name='skcipher_register_instance' filepath='crypto/skcipher.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_register_instance'>
+        <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/skcipher.c' line='864' column='1'/>
+        <parameter type-id='8e5a8430' name='inst' filepath='crypto/skcipher.c' line='865' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skcipher_walk_aead_decrypt' mangled-name='skcipher_walk_aead_decrypt' filepath='crypto/skcipher.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_aead_decrypt'>
+        <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='562' column='1'/>
+        <parameter type-id='146bc842' name='req' filepath='crypto/skcipher.c' line='563' column='1'/>
+        <parameter type-id='b50a4934' name='atomic' filepath='crypto/skcipher.c' line='563' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skcipher_walk_aead_encrypt' mangled-name='skcipher_walk_aead_encrypt' filepath='crypto/skcipher.c' line='553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_aead_encrypt'>
+        <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='553' column='1'/>
+        <parameter type-id='146bc842' name='req' filepath='crypto/skcipher.c' line='554' column='1'/>
+        <parameter type-id='b50a4934' name='atomic' filepath='crypto/skcipher.c' line='554' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skcipher_walk_done' mangled-name='skcipher_walk_done' filepath='crypto/skcipher.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_done'>
+        <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='105' column='1'/>
+        <parameter type-id='95e97e5e' name='err' filepath='crypto/skcipher.c' line='105' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skcipher_walk_virt' mangled-name='skcipher_walk_virt' filepath='crypto/skcipher.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_virt'>
+        <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='477' column='1'/>
+        <parameter type-id='c249b570' name='req' filepath='crypto/skcipher.c' line='478' column='1'/>
+        <parameter type-id='b50a4934' name='atomic' filepath='crypto/skcipher.c' line='478' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='skip_spaces' mangled-name='skip_spaces' filepath='include/linux/string.h' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skip_spaces'>
+        <parameter type-id='80f4b756'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='smp_call_function' mangled-name='smp_call_function' filepath='kernel/smp.c' line='735' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function'>
+        <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='735' column='1'/>
+        <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='735' column='1'/>
+        <parameter type-id='95e97e5e' name='wait' filepath='kernel/smp.c' line='735' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='smp_call_function_many' mangled-name='smp_call_function_many' filepath='kernel/smp.c' line='713' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function_many'>
+        <parameter type-id='5f8a1ac4' name='mask' filepath='kernel/smp.c' line='713' column='1'/>
+        <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='714' column='1'/>
+        <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='714' column='1'/>
+        <parameter type-id='b50a4934' name='wait' filepath='kernel/smp.c' line='714' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='smp_call_function_single' mangled-name='smp_call_function_single' filepath='kernel/smp.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function_single'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/smp.c' line='468' column='1'/>
+        <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='468' column='1'/>
+        <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='468' column='1'/>
+        <parameter type-id='95e97e5e' name='wait' filepath='kernel/smp.c' line='469' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='smp_call_function_single_async' mangled-name='smp_call_function_single_async' filepath='kernel/smp.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function_single_async'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/smp.c' line='546' column='1'/>
+        <parameter type-id='d5df7665' name='csd' filepath='kernel/smp.c' line='546' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='smp_call_on_cpu' mangled-name='smp_call_on_cpu' filepath='kernel/smp.c' line='1021' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_on_cpu'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='kernel/smp.c' line='1021' column='1'/>
+        <parameter type-id='b9b212f5' name='func' filepath='kernel/smp.c' line='1021' column='1'/>
+        <parameter type-id='eaa32e2f' name='par' filepath='kernel/smp.c' line='1021' column='1'/>
+        <parameter type-id='b50a4934' name='phys' filepath='kernel/smp.c' line='1021' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='smpboot_register_percpu_thread' mangled-name='smpboot_register_percpu_thread' filepath='kernel/smpboot.c' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smpboot_register_percpu_thread'>
+        <parameter type-id='150fd0b2' name='plug_thread' filepath='kernel/smpboot.c' line='289' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='smpboot_unregister_percpu_thread' mangled-name='smpboot_unregister_percpu_thread' filepath='kernel/smpboot.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smpboot_unregister_percpu_thread'>
+        <parameter type-id='150fd0b2' name='plug_thread' filepath='kernel/smpboot.c' line='318' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_card_disconnect' mangled-name='snd_card_disconnect' filepath='sound/core/init.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_disconnect'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='380' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_card_free' mangled-name='snd_card_free' filepath='sound/core/init.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_free'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='522' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_card_free_when_closed' mangled-name='snd_card_free_when_closed' filepath='sound/core/init.c' line='499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_free_when_closed'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='499' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_card_new' mangled-name='snd_card_new' filepath='sound/core/init.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_new'>
+        <parameter type-id='fa0b179b' name='parent' filepath='sound/core/init.c' line='161' column='1'/>
+        <parameter type-id='95e97e5e' name='idx' filepath='sound/core/init.c' line='161' column='1'/>
+        <parameter type-id='80f4b756' name='xid' filepath='sound/core/init.c' line='161' column='1'/>
+        <parameter type-id='2730d015' name='module' filepath='sound/core/init.c' line='162' column='1'/>
+        <parameter type-id='95e97e5e' name='extra_size' filepath='sound/core/init.c' line='162' column='1'/>
+        <parameter type-id='63cbc127' name='card_ret' filepath='sound/core/init.c' line='163' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_card_register' mangled-name='snd_card_register' filepath='sound/core/init.c' line='746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_register'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='746' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_card_rw_proc_new' mangled-name='snd_card_rw_proc_new' filepath='sound/core/info.c' line='878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_rw_proc_new'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/info.c' line='878' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='sound/core/info.c' line='878' column='1'/>
+        <parameter type-id='eaa32e2f' name='private_data' filepath='sound/core/info.c' line='879' column='1'/>
+        <parameter type-id='f695e0b6' name='read' filepath='sound/core/info.c' line='880' column='1'/>
+        <parameter type-id='f695e0b6' name='write' filepath='sound/core/info.c' line='882' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_component_add' mangled-name='snd_component_add' filepath='sound/core/init.c' line='892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_component_add'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='892' column='1'/>
+        <parameter type-id='80f4b756' name='component' filepath='sound/core/init.c' line='892' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_compr_stop_error' mangled-name='snd_compr_stop_error' filepath='sound/core/compress_offload.c' line='827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_compr_stop_error'>
+        <parameter type-id='b7c1d7d5' name='stream' filepath='sound/core/compress_offload.c' line='827' column='1'/>
+        <parameter type-id='33158de9' name='state' filepath='sound/core/compress_offload.c' line='828' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_add' mangled-name='snd_ctl_add' filepath='sound/core/control.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_add'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='424' column='1'/>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='424' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_add_vmaster_hook' mangled-name='snd_ctl_add_vmaster_hook' filepath='sound/core/vmaster.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_add_vmaster_hook'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/vmaster.c' line='447' column='1'/>
+        <parameter type-id='1ed1e4cd' name='hook' filepath='sound/core/vmaster.c' line='448' column='1'/>
+        <parameter type-id='eaa32e2f' name='private_data' filepath='sound/core/vmaster.c' line='449' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_apply_vmaster_followers' mangled-name='snd_ctl_apply_vmaster_followers' filepath='sound/core/vmaster.c' line='499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_apply_vmaster_followers'>
+        <parameter type-id='7a5054b7' name='kctl' filepath='sound/core/vmaster.c' line='499' column='1'/>
+        <parameter type-id='be4e3fad' name='func' filepath='sound/core/vmaster.c' line='500' column='1'/>
+        <parameter type-id='eaa32e2f' name='arg' filepath='sound/core/vmaster.c' line='503' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_boolean_mono_info' mangled-name='snd_ctl_boolean_mono_info' filepath='sound/core/control.c' line='2083' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_boolean_mono_info'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='2083' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/core/control.c' line='2084' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_boolean_stereo_info' mangled-name='snd_ctl_boolean_stereo_info' filepath='sound/core/control.c' line='2103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_boolean_stereo_info'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='2103' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/core/control.c' line='2104' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_enum_info' mangled-name='snd_ctl_enum_info' filepath='sound/core/control.c' line='2127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_enum_info'>
+        <parameter type-id='0e291009' name='info' filepath='sound/core/control.c' line='2127' column='1'/>
+        <parameter type-id='f0981eeb' name='channels' filepath='sound/core/control.c' line='2127' column='1'/>
+        <parameter type-id='f0981eeb' name='items' filepath='sound/core/control.c' line='2128' column='1'/>
+        <parameter type-id='13956559' name='names' filepath='sound/core/control.c' line='2128' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_find_id' mangled-name='snd_ctl_find_id' filepath='sound/core/control.c' line='666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_find_id'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='666' column='1'/>
+        <parameter type-id='eaeee79a' name='id' filepath='sound/core/control.c' line='667' column='1'/>
+        <return type-id='7a5054b7'/>
+      </function-decl>
+      <function-decl name='snd_ctl_make_virtual_master' mangled-name='snd_ctl_make_virtual_master' filepath='sound/core/vmaster.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_make_virtual_master'>
+        <parameter type-id='26a90f95' name='name' filepath='sound/core/vmaster.c' line='392' column='1'/>
+        <parameter type-id='5b2fd8e8' name='tlv' filepath='sound/core/vmaster.c' line='393' column='1'/>
+        <return type-id='7a5054b7'/>
+      </function-decl>
+      <function-decl name='snd_ctl_new1' mangled-name='snd_ctl_new1' filepath='sound/core/control.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_new1'>
+        <parameter type-id='31e035f7' name='ncontrol' filepath='sound/core/control.c' line='229' column='1'/>
+        <parameter type-id='eaa32e2f' name='private_data' filepath='sound/core/control.c' line='230' column='1'/>
+        <return type-id='7a5054b7'/>
+      </function-decl>
+      <function-decl name='snd_ctl_notify' mangled-name='snd_ctl_notify' filepath='sound/core/control.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_notify'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='142' column='1'/>
+        <parameter type-id='f0981eeb' name='mask' filepath='sound/core/control.c' line='142' column='1'/>
+        <parameter type-id='eaeee79a' name='id' filepath='sound/core/control.c' line='143' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_ctl_remove' mangled-name='snd_ctl_remove' filepath='sound/core/control.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_remove'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='463' column='1'/>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='463' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_ctl_sync_vmaster' mangled-name='snd_ctl_sync_vmaster' filepath='sound/core/vmaster.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_sync_vmaster'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/vmaster.c' line='467' column='1'/>
+        <parameter type-id='b50a4934' name='hook_only' filepath='sound/core/vmaster.c' line='467' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_device_disconnect' mangled-name='snd_device_disconnect' filepath='sound/core/device.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_device_disconnect'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/device.c' line='106' column='1'/>
+        <parameter type-id='eaa32e2f' name='device_data' filepath='sound/core/device.c' line='106' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_device_free' mangled-name='snd_device_free' filepath='sound/core/device.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_device_free'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/device.c' line='130' column='1'/>
+        <parameter type-id='eaa32e2f' name='device_data' filepath='sound/core/device.c' line='130' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_device_new' mangled-name='snd_device_new' filepath='sound/core/device.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_device_new'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/device.c' line='29' column='1'/>
+        <parameter type-id='43cb465b' name='type' filepath='sound/core/device.c' line='29' column='1'/>
+        <parameter type-id='eaa32e2f' name='device_data' filepath='sound/core/device.c' line='30' column='1'/>
+        <parameter type-id='c00b0b11' name='ops' filepath='sound/core/device.c' line='30' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_dma_alloc_pages' mangled-name='snd_dma_alloc_pages' filepath='sound/core/memalloc.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dma_alloc_pages'>
+        <parameter type-id='95e97e5e' name='type' filepath='sound/core/memalloc.c' line='126' column='1'/>
+        <parameter type-id='fa0b179b' name='device' filepath='sound/core/memalloc.c' line='126' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='sound/core/memalloc.c' line='126' column='1'/>
+        <parameter type-id='a02b8cd2' name='dmab' filepath='sound/core/memalloc.c' line='127' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_dma_free_pages' mangled-name='snd_dma_free_pages' filepath='sound/core/memalloc.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dma_free_pages'>
+        <parameter type-id='a02b8cd2' name='dmab' filepath='sound/core/memalloc.c' line='227' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_dmaengine_pcm_prepare_slave_config' mangled-name='snd_dmaengine_pcm_prepare_slave_config' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_prepare_slave_config'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='46' column='1'/>
+        <parameter type-id='363a995e' name='params' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='47' column='1'/>
+        <parameter type-id='4f22192a' name='slave_config' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='47' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_hwdep_new' mangled-name='snd_hwdep_new' filepath='sound/core/hwdep.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_hwdep_new'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/hwdep.c' line='358' column='1'/>
+        <parameter type-id='26a90f95' name='id' filepath='sound/core/hwdep.c' line='358' column='1'/>
+        <parameter type-id='95e97e5e' name='device' filepath='sound/core/hwdep.c' line='358' column='1'/>
+        <parameter type-id='358adba9' name='rhwdep' filepath='sound/core/hwdep.c' line='359' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_hwparams_to_dma_slave_config' mangled-name='snd_hwparams_to_dma_slave_config' filepath='sound/core/pcm_dmaengine.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_hwparams_to_dma_slave_config'>
+        <parameter type-id='17aa52a9' name='substream' filepath='sound/core/pcm_dmaengine.c' line='52' column='1'/>
+        <parameter type-id='9b87bc37' name='params' filepath='sound/core/pcm_dmaengine.c' line='53' column='1'/>
+        <parameter type-id='4f22192a' name='slave_config' filepath='sound/core/pcm_dmaengine.c' line='54' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_info_create_card_entry' mangled-name='snd_info_create_card_entry' filepath='sound/core/info.c' line='744' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_info_create_card_entry'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/info.c' line='744' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='sound/core/info.c' line='745' column='1'/>
+        <parameter type-id='b9608bfc' name='parent' filepath='sound/core/info.c' line='746' column='1'/>
+        <return type-id='b9608bfc'/>
+      </function-decl>
+      <function-decl name='snd_jack_new' mangled-name='snd_jack_new' filepath='sound/core/jack.c' line='201' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_jack_new'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/jack.c' line='201' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='sound/core/jack.c' line='201' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='sound/core/jack.c' line='201' column='1'/>
+        <parameter type-id='bd753fd6' name='jjack' filepath='sound/core/jack.c' line='202' column='1'/>
+        <parameter type-id='b50a4934' name='initial_kctl' filepath='sound/core/jack.c' line='202' column='1'/>
+        <parameter type-id='b50a4934' name='phantom_jack' filepath='sound/core/jack.c' line='202' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_jack_report' mangled-name='snd_jack_report' filepath='sound/core/jack.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_jack_report'>
+        <parameter type-id='0f5a7eb8' name='jack' filepath='sound/core/jack.c' line='347' column='1'/>
+        <parameter type-id='95e97e5e' name='status' filepath='sound/core/jack.c' line='347' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_jack_set_key' mangled-name='snd_jack_set_key' filepath='sound/core/jack.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_jack_set_key'>
+        <parameter type-id='0f5a7eb8' name='jack' filepath='sound/core/jack.c' line='324' column='1'/>
+        <parameter type-id='7851d449' name='type' filepath='sound/core/jack.c' line='324' column='1'/>
+        <parameter type-id='95e97e5e' name='keytype' filepath='sound/core/jack.c' line='325' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pci_quirk_lookup' mangled-name='snd_pci_quirk_lookup' filepath='sound/core/misc.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pci_quirk_lookup'>
+        <parameter type-id='85196e3f' name='pci' filepath='sound/core/misc.c' line='139' column='1'/>
+        <parameter type-id='c55bcf2d' name='list' filepath='sound/core/misc.c' line='139' column='1'/>
+        <return type-id='c55bcf2d'/>
+      </function-decl>
+      <function-decl name='snd_pcm_add_chmap_ctls' mangled-name='snd_pcm_add_chmap_ctls' filepath='sound/core/pcm_lib.c' line='2434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_add_chmap_ctls'>
+        <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_lib.c' line='2434' column='1'/>
+        <parameter type-id='95e97e5e' name='stream' filepath='sound/core/pcm_lib.c' line='2434' column='1'/>
+        <parameter type-id='ddec2084' name='chmap' filepath='sound/core/pcm_lib.c' line='2435' column='1'/>
+        <parameter type-id='95e97e5e' name='max_channels' filepath='sound/core/pcm_lib.c' line='2436' column='1'/>
+        <parameter type-id='7359adad' name='private_value' filepath='sound/core/pcm_lib.c' line='2437' column='1'/>
+        <parameter type-id='ce765417' name='info_ret' filepath='sound/core/pcm_lib.c' line='2438' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_create_iec958_consumer_default' mangled-name='snd_pcm_create_iec958_consumer_default' filepath='sound/core/pcm_iec958.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_create_iec958_consumer_default'>
+        <parameter type-id='8bff8096' name='cs' filepath='sound/core/pcm_iec958.c' line='29' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='sound/core/pcm_iec958.c' line='29' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_create_iec958_consumer_hw_params' mangled-name='snd_pcm_create_iec958_consumer_hw_params' filepath='sound/core/pcm_iec958.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_create_iec958_consumer_hw_params'>
+        <parameter type-id='363a995e' name='params' filepath='sound/core/pcm_iec958.c' line='202' column='1'/>
+        <parameter type-id='8bff8096' name='cs' filepath='sound/core/pcm_iec958.c' line='203' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='sound/core/pcm_iec958.c' line='203' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_fill_iec958_consumer' mangled-name='snd_pcm_fill_iec958_consumer' filepath='sound/core/pcm_iec958.c' line='133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_fill_iec958_consumer'>
+        <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_iec958.c' line='133' column='1'/>
+        <parameter type-id='8bff8096' name='cs' filepath='sound/core/pcm_iec958.c' line='134' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='sound/core/pcm_iec958.c' line='134' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_fill_iec958_consumer_hw_params' mangled-name='snd_pcm_fill_iec958_consumer_hw_params' filepath='sound/core/pcm_iec958.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_fill_iec958_consumer_hw_params'>
+        <parameter type-id='363a995e' name='params' filepath='sound/core/pcm_iec958.c' line='156' column='1'/>
+        <parameter type-id='8bff8096' name='cs' filepath='sound/core/pcm_iec958.c' line='157' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='sound/core/pcm_iec958.c' line='157' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_format_physical_width' mangled-name='snd_pcm_format_physical_width' filepath='sound/core/pcm_misc.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_physical_width'>
+        <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='366' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_format_size' mangled-name='snd_pcm_format_size' filepath='sound/core/pcm_misc.c' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_size'>
+        <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='385' column='1'/>
+        <parameter type-id='b59d7dce' name='samples' filepath='sound/core/pcm_misc.c' line='385' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_format_width' mangled-name='snd_pcm_format_width' filepath='sound/core/pcm_misc.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_width'>
+        <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='348' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_hw_constraint_eld' mangled-name='snd_pcm_hw_constraint_eld' filepath='sound/core/pcm_drm_eld.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_eld'>
+        <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_drm_eld.c' line='80' column='1'/>
+        <parameter type-id='eaa32e2f' name='eld' filepath='sound/core/pcm_drm_eld.c' line='80' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_hw_constraint_integer' mangled-name='snd_pcm_hw_constraint_integer' filepath='sound/core/pcm_lib.c' line='1219' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_integer'>
+        <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1219' column='1'/>
+        <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1219' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_hw_constraint_list' mangled-name='snd_pcm_hw_constraint_list' filepath='sound/core/pcm_lib.c' line='1270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_list'>
+        <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1270' column='1'/>
+        <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1271' column='1'/>
+        <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1272' column='1'/>
+        <parameter type-id='a5cedbd3' name='l' filepath='sound/core/pcm_lib.c' line='1273' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_hw_constraint_minmax' mangled-name='snd_pcm_hw_constraint_minmax' filepath='sound/core/pcm_lib.c' line='1238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_minmax'>
+        <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1238' column='1'/>
+        <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1238' column='1'/>
+        <parameter type-id='f0981eeb' name='min' filepath='sound/core/pcm_lib.c' line='1239' column='1'/>
+        <parameter type-id='f0981eeb' name='max' filepath='sound/core/pcm_lib.c' line='1239' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_hw_constraint_pow2' mangled-name='snd_pcm_hw_constraint_pow2' filepath='sound/core/pcm_lib.c' line='1474' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_pow2'>
+        <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1474' column='1'/>
+        <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1475' column='1'/>
+        <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1476' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_hw_constraint_step' mangled-name='snd_pcm_hw_constraint_step' filepath='sound/core/pcm_lib.c' line='1443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_step'>
+        <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1443' column='1'/>
+        <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1444' column='1'/>
+        <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1445' column='1'/>
+        <parameter type-id='7359adad' name='step' filepath='sound/core/pcm_lib.c' line='1446' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_hw_limit_rates' mangled-name='snd_pcm_hw_limit_rates' filepath='sound/core/pcm_misc.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_limit_rates'>
+        <parameter type-id='17e4a02a' name='hw' filepath='sound/core/pcm_misc.c' line='490' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_lib_default_mmap' mangled-name='snd_pcm_lib_default_mmap' filepath='sound/core/pcm_native.c' line='3782' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_default_mmap'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='3782' column='1'/>
+        <parameter type-id='2ae08426' name='area' filepath='sound/core/pcm_native.c' line='3783' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_lib_free_pages' mangled-name='snd_pcm_lib_free_pages' filepath='sound/core/pcm_memory.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_free_pages'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_memory.c' line='463' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_lib_ioctl' mangled-name='snd_pcm_lib_ioctl' filepath='sound/core/pcm_lib.c' line='1765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_ioctl'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_lib.c' line='1765' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='sound/core/pcm_lib.c' line='1766' column='1'/>
+        <parameter type-id='eaa32e2f' name='arg' filepath='sound/core/pcm_lib.c' line='1766' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_lib_malloc_pages' mangled-name='snd_pcm_lib_malloc_pages' filepath='sound/core/pcm_memory.c' line='409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_malloc_pages'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_memory.c' line='409' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='409' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_lib_preallocate_free_for_all' mangled-name='snd_pcm_lib_preallocate_free_for_all' filepath='sound/core/pcm_memory.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_preallocate_free_for_all'>
+        <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_memory.c' line='145' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_lib_preallocate_pages' mangled-name='snd_pcm_lib_preallocate_pages' filepath='sound/core/pcm_memory.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_preallocate_pages'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_memory.c' line='305' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='sound/core/pcm_memory.c' line='306' column='1'/>
+        <parameter type-id='fa0b179b' name='data' filepath='sound/core/pcm_memory.c' line='306' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='307' column='1'/>
+        <parameter type-id='b59d7dce' name='max' filepath='sound/core/pcm_memory.c' line='307' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_lib_preallocate_pages_for_all' mangled-name='snd_pcm_lib_preallocate_pages_for_all' filepath='sound/core/pcm_memory.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_preallocate_pages_for_all'>
+        <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_memory.c' line='324' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='sound/core/pcm_memory.c' line='325' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='sound/core/pcm_memory.c' line='325' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='326' column='1'/>
+        <parameter type-id='b59d7dce' name='max' filepath='sound/core/pcm_memory.c' line='326' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_new' mangled-name='snd_pcm_new' filepath='sound/core/pcm.c' line='774' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_new'>
+        <parameter type-id='52704eb7' name='card' filepath='sound/core/pcm.c' line='774' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='sound/core/pcm.c' line='774' column='1'/>
+        <parameter type-id='95e97e5e' name='device' filepath='sound/core/pcm.c' line='774' column='1'/>
+        <parameter type-id='95e97e5e' name='playback_count' filepath='sound/core/pcm.c' line='775' column='1'/>
+        <parameter type-id='95e97e5e' name='capture_count' filepath='sound/core/pcm.c' line='775' column='1'/>
+        <parameter type-id='0f9dfae3' name='rpcm' filepath='sound/core/pcm.c' line='775' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_period_elapsed' mangled-name='snd_pcm_period_elapsed' filepath='sound/core/pcm_lib.c' line='1791' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_period_elapsed'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_lib.c' line='1791' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_rate_range_to_bits' mangled-name='snd_pcm_rate_range_to_bits' filepath='sound/core/pcm_misc.c' line='595' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_rate_range_to_bits'>
+        <parameter type-id='f0981eeb' name='rate_min' filepath='sound/core/pcm_misc.c' line='595' column='1'/>
+        <parameter type-id='f0981eeb' name='rate_max' filepath='sound/core/pcm_misc.c' line='596' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='snd_pcm_rate_to_rate_bit' mangled-name='snd_pcm_rate_to_rate_bit' filepath='sound/core/pcm_misc.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_rate_to_rate_bit'>
+        <parameter type-id='f0981eeb' name='rate' filepath='sound/core/pcm_misc.c' line='516' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='snd_pcm_set_managed_buffer_all' mangled-name='snd_pcm_set_managed_buffer_all' filepath='sound/core/pcm_memory.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_set_managed_buffer_all'>
+        <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_memory.c' line='369' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='sound/core/pcm_memory.c' line='369' column='1'/>
+        <parameter type-id='fa0b179b' name='data' filepath='sound/core/pcm_memory.c' line='370' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='371' column='1'/>
+        <parameter type-id='b59d7dce' name='max' filepath='sound/core/pcm_memory.c' line='371' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_set_ops' mangled-name='snd_pcm_set_ops' filepath='sound/core/pcm_lib.c' line='481' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_set_ops'>
+        <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_lib.c' line='481' column='1'/>
+        <parameter type-id='95e97e5e' name='direction' filepath='sound/core/pcm_lib.c' line='481' column='1'/>
+        <parameter type-id='f63b1a17' name='ops' filepath='sound/core/pcm_lib.c' line='482' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_set_sync' mangled-name='snd_pcm_set_sync' filepath='sound/core/pcm_lib.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_set_sync'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_lib.c' line='498' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='snd_pcm_std_chmaps' type-id='93f82aba' mangled-name='snd_pcm_std_chmaps' visibility='default' filepath='sound/core/pcm_lib.c' line='2275' column='1' elf-symbol-id='snd_pcm_std_chmaps'/>
+      <function-decl name='snd_pcm_stop' mangled-name='snd_pcm_stop' filepath='sound/core/pcm_native.c' line='1516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stop'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='1516' column='1'/>
+        <parameter type-id='33158de9' name='state' filepath='sound/core/pcm_native.c' line='1516' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_stop_xrun' mangled-name='snd_pcm_stop_xrun' filepath='sound/core/pcm_native.c' line='1546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stop_xrun'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='1546' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_pcm_stream_lock' mangled-name='snd_pcm_stream_lock' filepath='sound/core/pcm_native.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stream_lock'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='108' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_stream_unlock' mangled-name='snd_pcm_stream_unlock' filepath='sound/core/pcm_native.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stream_unlock'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='120' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_pcm_stream_unlock_irqrestore' mangled-name='snd_pcm_stream_unlock_irqrestore' filepath='sound/core/pcm_native.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stream_unlock_irqrestore'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='182' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='sound/core/pcm_native.c' line='183' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_add_card_controls' mangled-name='snd_soc_add_card_controls' filepath='sound/soc/soc-core.c' line='2140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_add_card_controls'>
+        <parameter type-id='3059cd0b' name='soc_card' filepath='sound/soc/soc-core.c' line='2140' column='1'/>
+        <parameter type-id='31e035f7' name='controls' filepath='sound/soc/soc-core.c' line='2141' column='1'/>
+        <parameter type-id='95e97e5e' name='num_controls' filepath='sound/soc/soc-core.c' line='2141' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_add_component' mangled-name='snd_soc_add_component' filepath='sound/soc/soc-core.c' line='2473' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_add_component'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-core.c' line='2473' column='1'/>
+        <parameter type-id='763d26a2' name='dai_drv' filepath='sound/soc/soc-core.c' line='2474' column='1'/>
+        <parameter type-id='95e97e5e' name='num_dai' filepath='sound/soc/soc-core.c' line='2475' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_add_component_controls' mangled-name='snd_soc_add_component_controls' filepath='sound/soc/soc-core.c' line='2120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_add_component_controls'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-core.c' line='2120' column='1'/>
+        <parameter type-id='31e035f7' name='controls' filepath='sound/soc/soc-core.c' line='2121' column='1'/>
+        <parameter type-id='f0981eeb' name='num_controls' filepath='sound/soc/soc-core.c' line='2121' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_add_dai_controls' mangled-name='snd_soc_add_dai_controls' filepath='sound/soc/soc-core.c' line='2160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_add_dai_controls'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-core.c' line='2160' column='1'/>
+        <parameter type-id='31e035f7' name='controls' filepath='sound/soc/soc-core.c' line='2161' column='1'/>
+        <parameter type-id='95e97e5e' name='num_controls' filepath='sound/soc/soc-core.c' line='2161' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_bytes_info_ext' mangled-name='snd_soc_bytes_info_ext' filepath='sound/soc/soc-ops.c' line='783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_bytes_info_ext'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='783' column='1'/>
+        <parameter type-id='0e291009' name='ucontrol' filepath='sound/soc/soc-ops.c' line='784' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_bytes_tlv_callback' mangled-name='snd_soc_bytes_tlv_callback' filepath='sound/soc/soc-ops.c' line='795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_bytes_tlv_callback'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='795' column='1'/>
+        <parameter type-id='95e97e5e' name='op_flag' filepath='sound/soc/soc-ops.c' line='795' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='sound/soc/soc-ops.c' line='796' column='1'/>
+        <parameter type-id='807869d3' name='tlv' filepath='sound/soc/soc-ops.c' line='796' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_card_get_kcontrol' mangled-name='snd_soc_card_get_kcontrol' filepath='sound/soc/soc-card.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_card_get_kcontrol'>
+        <parameter type-id='3059cd0b' name='soc_card' filepath='sound/soc/soc-card.c' line='29' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='sound/soc/soc-card.c' line='30' column='1'/>
+        <return type-id='7a5054b7'/>
+      </function-decl>
+      <function-decl name='snd_soc_card_jack_new' mangled-name='snd_soc_card_jack_new' filepath='sound/soc/soc-card.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_card_jack_new'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-card.c' line='60' column='1'/>
+        <parameter type-id='80f4b756' name='id' filepath='sound/soc/soc-card.c' line='60' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='sound/soc/soc-card.c' line='60' column='1'/>
+        <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-card.c' line='61' column='1'/>
+        <parameter type-id='fcd78288' name='pins' filepath='sound/soc/soc-card.c' line='62' column='1'/>
+        <parameter type-id='f0981eeb' name='num_pins' filepath='sound/soc/soc-card.c' line='62' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_async_complete' mangled-name='snd_soc_component_async_complete' filepath='sound/soc/soc-component.c' line='586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_async_complete'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='586' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_disable_pin' mangled-name='snd_soc_component_disable_pin' filepath='sound/soc/soc-component.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_disable_pin'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='156' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='157' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_enable_pin' mangled-name='snd_soc_component_enable_pin' filepath='sound/soc/soc-component.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_enable_pin'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='138' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='139' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_exit_regmap' mangled-name='snd_soc_component_exit_regmap' filepath='sound/soc/soc-component.c' line='406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_exit_regmap'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='406' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_force_enable_pin' mangled-name='snd_soc_component_force_enable_pin' filepath='sound/soc/soc-component.c' line='201' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_force_enable_pin'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='201' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='202' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_get_pin_status' mangled-name='snd_soc_component_get_pin_status' filepath='sound/soc/soc-component.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_get_pin_status'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='192' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='193' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_init_regmap' mangled-name='snd_soc_component_init_regmap' filepath='sound/soc/soc-component.c' line='387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_init_regmap'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='387' column='1'/>
+        <parameter type-id='29af9a71' name='regmap' filepath='sound/soc/soc-component.c' line='388' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_initialize' mangled-name='snd_soc_component_initialize' filepath='sound/soc/soc-core.c' line='2450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_initialize'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-core.c' line='2450' column='1'/>
+        <parameter type-id='f030c2b8' name='driver' filepath='sound/soc/soc-core.c' line='2451' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='2452' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_read' mangled-name='snd_soc_component_read' filepath='sound/soc/soc-component.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_read'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='444' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='445' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_set_jack' mangled-name='snd_soc_component_set_jack' filepath='sound/soc/soc-component.c' line='228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_set_jack'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='228' column='1'/>
+        <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-component.c' line='229' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='sound/soc/soc-component.c' line='229' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_set_pll' mangled-name='snd_soc_component_set_pll' filepath='sound/soc/soc-component.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_set_pll'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='95' column='1'/>
+        <parameter type-id='95e97e5e' name='pll_id' filepath='sound/soc/soc-component.c' line='95' column='1'/>
+        <parameter type-id='95e97e5e' name='source' filepath='sound/soc/soc-component.c' line='96' column='1'/>
+        <parameter type-id='f0981eeb' name='freq_in' filepath='sound/soc/soc-component.c' line='96' column='1'/>
+        <parameter type-id='f0981eeb' name='freq_out' filepath='sound/soc/soc-component.c' line='97' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_set_sysclk' mangled-name='snd_soc_component_set_sysclk' filepath='sound/soc/soc-component.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_set_sysclk'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='71' column='1'/>
+        <parameter type-id='95e97e5e' name='clk_id' filepath='sound/soc/soc-component.c' line='72' column='1'/>
+        <parameter type-id='95e97e5e' name='source' filepath='sound/soc/soc-component.c' line='72' column='1'/>
+        <parameter type-id='f0981eeb' name='freq' filepath='sound/soc/soc-component.c' line='72' column='1'/>
+        <parameter type-id='95e97e5e' name='dir' filepath='sound/soc/soc-component.c' line='73' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_update_bits' mangled-name='snd_soc_component_update_bits' filepath='sound/soc/soc-component.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_update_bits'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='524' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='525' column='1'/>
+        <parameter type-id='f0981eeb' name='mask' filepath='sound/soc/soc-component.c' line='525' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='sound/soc/soc-component.c' line='525' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_update_bits_async' mangled-name='snd_soc_component_update_bits_async' filepath='sound/soc/soc-component.c' line='560' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_update_bits_async'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='560' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='561' column='1'/>
+        <parameter type-id='f0981eeb' name='mask' filepath='sound/soc/soc-component.c' line='561' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='sound/soc/soc-component.c' line='561' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_component_write' mangled-name='snd_soc_component_write' filepath='sound/soc/soc-component.c' line='479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_write'>
+        <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='479' column='1'/>
+        <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='480' column='1'/>
+        <parameter type-id='f0981eeb' name='val' filepath='sound/soc/soc-component.c' line='480' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_active' mangled-name='snd_soc_dai_active' filepath='sound/soc/soc-dai.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_active'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='466' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_get_channel_map' mangled-name='snd_soc_dai_get_channel_map' filepath='sound/soc/soc-dai.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_get_channel_map'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='263' column='1'/>
+        <parameter type-id='807869d3' name='tx_num' filepath='sound/soc/soc-dai.c' line='264' column='1'/>
+        <parameter type-id='807869d3' name='tx_slot' filepath='sound/soc/soc-dai.c' line='264' column='1'/>
+        <parameter type-id='807869d3' name='rx_num' filepath='sound/soc/soc-dai.c' line='265' column='1'/>
+        <parameter type-id='807869d3' name='rx_slot' filepath='sound/soc/soc-dai.c' line='265' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_link_set_capabilities' mangled-name='snd_soc_dai_link_set_capabilities' filepath='sound/soc/soc-dai.c' line='418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_link_set_capabilities'>
+        <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-dai.c' line='418' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_bclk_ratio' mangled-name='snd_soc_dai_set_bclk_ratio' filepath='sound/soc/soc-dai.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_bclk_ratio'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='125' column='1'/>
+        <parameter type-id='f0981eeb' name='ratio' filepath='sound/soc/soc-dai.c' line='125' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_channel_map' mangled-name='snd_soc_dai_set_channel_map' filepath='sound/soc/soc-dai.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_channel_map'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='239' column='1'/>
+        <parameter type-id='f0981eeb' name='tx_num' filepath='sound/soc/soc-dai.c' line='240' column='1'/>
+        <parameter type-id='807869d3' name='tx_slot' filepath='sound/soc/soc-dai.c' line='240' column='1'/>
+        <parameter type-id='f0981eeb' name='rx_num' filepath='sound/soc/soc-dai.c' line='241' column='1'/>
+        <parameter type-id='807869d3' name='rx_slot' filepath='sound/soc/soc-dai.c' line='241' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_clkdiv' mangled-name='snd_soc_dai_set_clkdiv' filepath='sound/soc/soc-dai.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_clkdiv'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='78' column='1'/>
+        <parameter type-id='95e97e5e' name='div_id' filepath='sound/soc/soc-dai.c' line='79' column='1'/>
+        <parameter type-id='95e97e5e' name='div' filepath='sound/soc/soc-dai.c' line='79' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_fmt' mangled-name='snd_soc_dai_set_fmt' filepath='sound/soc/soc-dai.c' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_fmt'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='144' column='1'/>
+        <parameter type-id='f0981eeb' name='fmt' filepath='sound/soc/soc-dai.c' line='144' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_pll' mangled-name='snd_soc_dai_set_pll' filepath='sound/soc/soc-dai.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_pll'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='101' column='1'/>
+        <parameter type-id='95e97e5e' name='pll_id' filepath='sound/soc/soc-dai.c' line='101' column='1'/>
+        <parameter type-id='95e97e5e' name='source' filepath='sound/soc/soc-dai.c' line='101' column='1'/>
+        <parameter type-id='f0981eeb' name='freq_in' filepath='sound/soc/soc-dai.c' line='102' column='1'/>
+        <parameter type-id='f0981eeb' name='freq_out' filepath='sound/soc/soc-dai.c' line='102' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_sysclk' mangled-name='snd_soc_dai_set_sysclk' filepath='sound/soc/soc-dai.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_sysclk'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='52' column='1'/>
+        <parameter type-id='95e97e5e' name='clk_id' filepath='sound/soc/soc-dai.c' line='52' column='1'/>
+        <parameter type-id='f0981eeb' name='freq' filepath='sound/soc/soc-dai.c' line='53' column='1'/>
+        <parameter type-id='95e97e5e' name='dir' filepath='sound/soc/soc-dai.c' line='53' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_tdm_slot' mangled-name='snd_soc_dai_set_tdm_slot' filepath='sound/soc/soc-dai.c' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_tdm_slot'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='203' column='1'/>
+        <parameter type-id='f0981eeb' name='tx_mask' filepath='sound/soc/soc-dai.c' line='204' column='1'/>
+        <parameter type-id='f0981eeb' name='rx_mask' filepath='sound/soc/soc-dai.c' line='204' column='1'/>
+        <parameter type-id='95e97e5e' name='slots' filepath='sound/soc/soc-dai.c' line='205' column='1'/>
+        <parameter type-id='95e97e5e' name='slot_width' filepath='sound/soc/soc-dai.c' line='205' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dai_set_tristate' mangled-name='snd_soc_dai_set_tristate' filepath='sound/soc/soc-dai.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_tristate'>
+        <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='284' column='1'/>
+        <parameter type-id='95e97e5e' name='tristate' filepath='sound/soc/soc-dai.c' line='284' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_add_routes' mangled-name='snd_soc_dapm_add_routes' filepath='sound/soc/soc-dapm.c' line='3101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_add_routes'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3101' column='1'/>
+        <parameter type-id='8f3d28b8' name='route' filepath='sound/soc/soc-dapm.c' line='3102' column='1'/>
+        <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3102' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_del_routes' mangled-name='snd_soc_dapm_del_routes' filepath='sound/soc/soc-dapm.c' line='3132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_del_routes'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3132' column='1'/>
+        <parameter type-id='8f3d28b8' name='route' filepath='sound/soc/soc-dapm.c' line='3133' column='1'/>
+        <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3133' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_disable_pin' mangled-name='snd_soc_dapm_disable_pin' filepath='sound/soc/soc-dapm.c' line='4662' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_disable_pin'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4662' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4663' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_disable_pin_unlocked' mangled-name='snd_soc_dapm_disable_pin_unlocked' filepath='sound/soc/soc-dapm.c' line='4645' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_disable_pin_unlocked'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4645' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4646' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_enable_pin' mangled-name='snd_soc_dapm_enable_pin' filepath='sound/soc/soc-dapm.c' line='4551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_enable_pin'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4551' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4551' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_force_bias_level' mangled-name='snd_soc_dapm_force_bias_level' filepath='sound/soc/soc-dapm.c' line='700' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_force_bias_level'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='700' column='1'/>
+        <parameter type-id='f078c744' name='level' filepath='sound/soc/soc-dapm.c' line='701' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_force_enable_pin' mangled-name='snd_soc_dapm_force_enable_pin' filepath='sound/soc/soc-dapm.c' line='4618' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_force_enable_pin'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4618' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4619' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_force_enable_pin_unlocked' mangled-name='snd_soc_dapm_force_enable_pin_unlocked' filepath='sound/soc/soc-dapm.c' line='4579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_force_enable_pin_unlocked'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4579' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4580' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_get_enum_double' mangled-name='snd_soc_dapm_get_enum_double' filepath='sound/soc/soc-dapm.c' line='3460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_enum_double'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3460' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3461' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_get_pin_status' mangled-name='snd_soc_dapm_get_pin_status' filepath='sound/soc/soc-dapm.c' line='4737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_pin_status'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4737' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4738' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_get_pin_switch' mangled-name='snd_soc_dapm_get_pin_switch' filepath='sound/soc/soc-dapm.c' line='3577' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_pin_switch'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3577' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3578' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_get_volsw' mangled-name='snd_soc_dapm_get_volsw' filepath='sound/soc/soc-dapm.c' line='3310' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_volsw'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3310' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3311' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_ignore_suspend' mangled-name='snd_soc_dapm_ignore_suspend' filepath='sound/soc/soc-dapm.c' line='4760' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_ignore_suspend'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4760' column='1'/>
+        <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4761' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_info_pin_switch' mangled-name='snd_soc_dapm_info_pin_switch' filepath='sound/soc/soc-dapm.c' line='3559' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_info_pin_switch'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3559' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-dapm.c' line='3560' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_kcontrol_dapm' mangled-name='snd_soc_dapm_kcontrol_dapm' filepath='sound/soc/soc-dapm.c' line='596' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_kcontrol_dapm'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='597' column='1'/>
+        <return type-id='70d004a5'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_kcontrol_widget' mangled-name='snd_soc_dapm_kcontrol_widget' filepath='sound/soc/soc-dapm.c' line='581' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_kcontrol_widget'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='582' column='1'/>
+        <return type-id='810606ec'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_mixer_update_power' mangled-name='snd_soc_dapm_mixer_update_power' filepath='sound/soc/soc-dapm.c' line='2366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_mixer_update_power'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2366' column='1'/>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='2367' column='1'/>
+        <parameter type-id='95e97e5e' name='connect' filepath='sound/soc/soc-dapm.c' line='2367' column='1'/>
+        <parameter type-id='33146de3' name='update' filepath='sound/soc/soc-dapm.c' line='2368' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_mux_update_power' mangled-name='snd_soc_dapm_mux_update_power' filepath='sound/soc/soc-dapm.c' line='2301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_mux_update_power'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2301' column='1'/>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='2302' column='1'/>
+        <parameter type-id='95e97e5e' name='mux' filepath='sound/soc/soc-dapm.c' line='2302' column='1'/>
+        <parameter type-id='acf1578a' name='e' filepath='sound/soc/soc-dapm.c' line='2302' column='1'/>
+        <parameter type-id='33146de3' name='update' filepath='sound/soc/soc-dapm.c' line='2303' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_new_control' mangled-name='snd_soc_dapm_new_control' filepath='sound/soc/soc-dapm.c' line='3780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_new_control'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3780' column='1'/>
+        <parameter type-id='dae78f89' name='widget' filepath='sound/soc/soc-dapm.c' line='3781' column='1'/>
+        <return type-id='810606ec'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_new_controls' mangled-name='snd_soc_dapm_new_controls' filepath='sound/soc/soc-dapm.c' line='3803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_new_controls'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3803' column='1'/>
+        <parameter type-id='dae78f89' name='widget' filepath='sound/soc/soc-dapm.c' line='3804' column='1'/>
+        <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3805' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_new_widgets' mangled-name='snd_soc_dapm_new_widgets' filepath='sound/soc/soc-dapm.c' line='3236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_new_widgets'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-dapm.c' line='3236' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_put_enum_double' mangled-name='snd_soc_dapm_put_enum_double' filepath='sound/soc/soc-dapm.c' line='3497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_put_enum_double'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3497' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3498' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_put_pin_switch' mangled-name='snd_soc_dapm_put_pin_switch' filepath='sound/soc/soc-dapm.c' line='3600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_put_pin_switch'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3600' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3601' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_put_volsw' mangled-name='snd_soc_dapm_put_volsw' filepath='sound/soc/soc-dapm.c' line='3369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_put_volsw'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3369' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3370' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_sync' mangled-name='snd_soc_dapm_sync' filepath='sound/soc/soc-dapm.c' line='2638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_sync'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2638' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_sync_unlocked' mangled-name='snd_soc_dapm_sync_unlocked' filepath='sound/soc/soc-dapm.c' line='2616' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_sync_unlocked'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2616' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_dapm_weak_routes' mangled-name='snd_soc_dapm_weak_routes' filepath='sound/soc/soc-dapm.c' line='3209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_weak_routes'>
+        <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3209' column='1'/>
+        <parameter type-id='8f3d28b8' name='route' filepath='sound/soc/soc-dapm.c' line='3210' column='1'/>
+        <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3210' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_find_dai' mangled-name='snd_soc_find_dai' filepath='sound/soc/soc-core.c' line='810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_find_dai'>
+        <parameter type-id='18cfbc8f' name='dlc' filepath='sound/soc/soc-core.c' line='811' column='1'/>
+        <return type-id='1c936db9'/>
+      </function-decl>
+      <function-decl name='snd_soc_get_dai_name' mangled-name='snd_soc_get_dai_name' filepath='sound/soc/soc-core.c' line='3045' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_dai_name'>
+        <parameter type-id='51a94113' name='args' filepath='sound/soc/soc-core.c' line='3045' column='1'/>
+        <parameter type-id='7d3cd834' name='dai_name' filepath='sound/soc/soc-core.c' line='3046' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_get_enum_double' mangled-name='snd_soc_get_enum_double' filepath='sound/soc/soc-ops.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_enum_double'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='59' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='60' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_get_pcm_runtime' mangled-name='snd_soc_get_pcm_runtime' filepath='sound/soc/soc-core.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_pcm_runtime'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='347' column='1'/>
+        <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-core.c' line='348' column='1'/>
+        <return type-id='95316552'/>
+      </function-decl>
+      <function-decl name='snd_soc_get_volsw' mangled-name='snd_soc_get_volsw' filepath='sound/soc/soc-ops.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_volsw'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='236' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='237' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_get_volsw_range' mangled-name='snd_soc_get_volsw_range' filepath='sound/soc/soc-ops.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_volsw_range'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='579' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='580' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_get_volsw_sx' mangled-name='snd_soc_get_volsw_sx' filepath='sound/soc/soc-ops.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_volsw_sx'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='378' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='379' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_get_xr_sx' mangled-name='snd_soc_get_xr_sx' filepath='sound/soc/soc-ops.c' line='854' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_xr_sx'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='854' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='855' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_info_enum_double' mangled-name='snd_soc_info_enum_double' filepath='sound/soc/soc-ops.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_enum_double'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='40' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='41' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_info_volsw' mangled-name='snd_soc_info_volsw' filepath='sound/soc/soc-ops.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_volsw'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='175' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='176' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_info_volsw_range' mangled-name='snd_soc_info_volsw_range' filepath='sound/soc/soc-ops.c' line='476' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_volsw_range'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='476' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='477' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_info_volsw_sx' mangled-name='snd_soc_info_volsw_sx' filepath='sound/soc/soc-ops.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_volsw_sx'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='210' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='211' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_info_xr_sx' mangled-name='snd_soc_info_xr_sx' filepath='sound/soc/soc-ops.c' line='827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_xr_sx'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='827' column='1'/>
+        <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='828' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_jack_add_gpios' mangled-name='snd_soc_jack_add_gpios' filepath='sound/soc/soc-jack.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_jack_add_gpios'>
+        <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-jack.c' line='312' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='sound/soc/soc-jack.c' line='312' column='1'/>
+        <parameter type-id='3c269e0e' name='gpios' filepath='sound/soc/soc-jack.c' line='313' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_jack_add_zones' mangled-name='snd_soc_jack_add_zones' filepath='sound/soc/soc-jack.c' line='97' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_jack_add_zones'>
+        <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-jack.c' line='97' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='sound/soc/soc-jack.c' line='97' column='1'/>
+        <parameter type-id='a17398a1' name='zones' filepath='sound/soc/soc-jack.c' line='98' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_jack_get_type' mangled-name='snd_soc_jack_get_type' filepath='sound/soc/soc-jack.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_jack_get_type'>
+        <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-jack.c' line='120' column='1'/>
+        <parameter type-id='95e97e5e' name='micbias_voltage' filepath='sound/soc/soc-jack.c' line='120' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_jack_report' mangled-name='snd_soc_jack_report' filepath='sound/soc/soc-jack.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_jack_report'>
+        <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-jack.c' line='40' column='1'/>
+        <parameter type-id='95e97e5e' name='status' filepath='sound/soc/soc-jack.c' line='40' column='1'/>
+        <parameter type-id='95e97e5e' name='mask' filepath='sound/soc/soc-jack.c' line='40' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_lookup_component' mangled-name='snd_soc_lookup_component' filepath='sound/soc/soc-core.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_lookup_component'>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='333' column='1'/>
+        <parameter type-id='80f4b756' name='driver_name' filepath='sound/soc/soc-core.c' line='334' column='1'/>
+        <return type-id='807b7702'/>
+      </function-decl>
+      <function-decl name='snd_soc_new_compress' mangled-name='snd_soc_new_compress' filepath='sound/soc/soc-compress.c' line='750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_new_compress'>
+        <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-compress.c' line='750' column='1'/>
+        <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-compress.c' line='750' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_get_dai_link_codecs' mangled-name='snd_soc_of_get_dai_link_codecs' filepath='sound/soc/soc-core.c' line='3163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_get_dai_link_codecs'>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='3163' column='1'/>
+        <parameter type-id='9a537bbe' name='of_node' filepath='sound/soc/soc-core.c' line='3164' column='1'/>
+        <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-core.c' line='3165' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_get_dai_name' mangled-name='snd_soc_of_get_dai_name' filepath='sound/soc/soc-core.c' line='3110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_get_dai_name'>
+        <parameter type-id='9a537bbe' name='of_node' filepath='sound/soc/soc-core.c' line='3110' column='1'/>
+        <parameter type-id='7d3cd834' name='dai_name' filepath='sound/soc/soc-core.c' line='3111' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_parse_audio_routing' mangled-name='snd_soc_of_parse_audio_routing' filepath='sound/soc/soc-core.c' line='2781' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_audio_routing'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2781' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2782' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_parse_audio_simple_widgets' mangled-name='snd_soc_of_parse_audio_simple_widgets' filepath='sound/soc/soc-core.c' line='2627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_audio_simple_widgets'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2627' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2628' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_parse_aux_devs' mangled-name='snd_soc_of_parse_aux_devs' filepath='sound/soc/soc-core.c' line='2837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_aux_devs'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2837' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2837' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_parse_card_name' mangled-name='snd_soc_of_parse_card_name' filepath='sound/soc/soc-core.c' line='2590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_card_name'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2590' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2591' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_parse_daifmt' mangled-name='snd_soc_of_parse_daifmt' filepath='sound/soc/soc-core.c' line='2868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_daifmt'>
+        <parameter type-id='9a537bbe' name='np' filepath='sound/soc/soc-core.c' line='2868' column='1'/>
+        <parameter type-id='80f4b756' name='prefix' filepath='sound/soc/soc-core.c' line='2869' column='1'/>
+        <parameter type-id='856b89fc' name='bitclkmaster' filepath='sound/soc/soc-core.c' line='2870' column='1'/>
+        <parameter type-id='856b89fc' name='framemaster' filepath='sound/soc/soc-core.c' line='2871' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_parse_node_prefix' mangled-name='snd_soc_of_parse_node_prefix' filepath='sound/soc/soc-core.c' line='2762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_node_prefix'>
+        <parameter type-id='9a537bbe' name='np' filepath='sound/soc/soc-core.c' line='2762' column='1'/>
+        <parameter type-id='f10279fe' name='codec_conf' filepath='sound/soc/soc-core.c' line='2763' column='1'/>
+        <parameter type-id='9a537bbe' name='of_node' filepath='sound/soc/soc-core.c' line='2764' column='1'/>
+        <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2765' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_parse_tdm_slot' mangled-name='snd_soc_of_parse_tdm_slot' filepath='sound/soc/soc-core.c' line='2726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_tdm_slot'>
+        <parameter type-id='9a537bbe' name='np' filepath='sound/soc/soc-core.c' line='2726' column='1'/>
+        <parameter type-id='807869d3' name='tx_mask' filepath='sound/soc/soc-core.c' line='2727' column='1'/>
+        <parameter type-id='807869d3' name='rx_mask' filepath='sound/soc/soc-core.c' line='2728' column='1'/>
+        <parameter type-id='807869d3' name='slots' filepath='sound/soc/soc-core.c' line='2729' column='1'/>
+        <parameter type-id='807869d3' name='slot_width' filepath='sound/soc/soc-core.c' line='2730' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_of_put_dai_link_codecs' mangled-name='snd_soc_of_put_dai_link_codecs' filepath='sound/soc/soc-core.c' line='3135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_put_dai_link_codecs'>
+        <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-core.c' line='3135' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_soc_params_to_bclk' mangled-name='snd_soc_params_to_bclk' filepath='sound/soc/soc-utils.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_params_to_bclk'>
+        <parameter type-id='363a995e' name='params' filepath='sound/soc/soc-utils.c' line='42' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_params_to_frame_size' mangled-name='snd_soc_params_to_frame_size' filepath='sound/soc/soc-utils.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_params_to_frame_size'>
+        <parameter type-id='363a995e' name='params' filepath='sound/soc/soc-utils.c' line='23' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='snd_soc_pm_ops' type-id='86af1d10' mangled-name='snd_soc_pm_ops' visibility='default' filepath='sound/soc/soc-core.c' line='2028' column='1' elf-symbol-id='snd_soc_pm_ops'/>
+      <function-decl name='snd_soc_put_enum_double' mangled-name='snd_soc_put_enum_double' filepath='sound/soc/soc-ops.c' line='90' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_enum_double'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='90' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='91' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_put_volsw' mangled-name='snd_soc_put_volsw' filepath='sound/soc/soc-ops.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_volsw'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='296' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='297' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_put_volsw_range' mangled-name='snd_soc_put_volsw_range' filepath='sound/soc/soc-ops.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_volsw_range'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='506' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='507' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_put_volsw_sx' mangled-name='snd_soc_put_volsw_sx' filepath='sound/soc/soc-ops.c' line='415' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_volsw_sx'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='415' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='416' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_put_xr_sx' mangled-name='snd_soc_put_xr_sx' filepath='sound/soc/soc-ops.c' line='900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_xr_sx'>
+        <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='900' column='1'/>
+        <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='901' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_register_card' mangled-name='snd_soc_register_card' filepath='sound/soc/soc-core.c' line='2176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_register_card'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2176' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_register_component' mangled-name='snd_soc_register_component' filepath='sound/soc/soc-core.c' line='2520' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_register_component'>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='2520' column='1'/>
+        <parameter type-id='f030c2b8' name='component_driver' filepath='sound/soc/soc-core.c' line='2521' column='1'/>
+        <parameter type-id='763d26a2' name='dai_drv' filepath='sound/soc/soc-core.c' line='2522' column='1'/>
+        <parameter type-id='95e97e5e' name='num_dai' filepath='sound/soc/soc-core.c' line='2523' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_rtdcom_lookup' mangled-name='snd_soc_rtdcom_lookup' filepath='sound/soc/soc-core.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_rtdcom_lookup'>
+        <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-core.c' line='280' column='1'/>
+        <parameter type-id='80f4b756' name='driver_name' filepath='sound/soc/soc-core.c' line='281' column='1'/>
+        <return type-id='807b7702'/>
+      </function-decl>
+      <function-decl name='snd_soc_runtime_calc_hw' mangled-name='snd_soc_runtime_calc_hw' filepath='sound/soc/soc-pcm.c' line='501' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_runtime_calc_hw'>
+        <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-pcm.c' line='501' column='1'/>
+        <parameter type-id='17e4a02a' name='hw' filepath='sound/soc/soc-pcm.c' line='502' column='1'/>
+        <parameter type-id='95e97e5e' name='stream' filepath='sound/soc/soc-pcm.c' line='502' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_runtime_set_dai_fmt' mangled-name='snd_soc_runtime_set_dai_fmt' filepath='sound/soc/soc-core.c' line='1422' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_runtime_set_dai_fmt'>
+        <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-core.c' line='1422' column='1'/>
+        <parameter type-id='f0981eeb' name='dai_fmt' filepath='sound/soc/soc-core.c' line='1423' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_set_runtime_hwparams' mangled-name='snd_soc_set_runtime_hwparams' filepath='sound/soc/soc-pcm.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_set_runtime_hwparams'>
+        <parameter type-id='06b2cd14' name='substream' filepath='sound/soc/soc-pcm.c' line='263' column='1'/>
+        <parameter type-id='d661a615' name='hw' filepath='sound/soc/soc-pcm.c' line='264' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_tplg_component_load' mangled-name='snd_soc_tplg_component_load' filepath='sound/soc/soc-topology.c' line='2808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_tplg_component_load'>
+        <parameter type-id='807b7702' name='comp' filepath='sound/soc/soc-topology.c' line='2808' column='1'/>
+        <parameter type-id='76e6e22f' name='ops' filepath='sound/soc/soc-topology.c' line='2809' column='1'/>
+        <parameter type-id='fce0537d' name='fw' filepath='sound/soc/soc-topology.c' line='2809' column='1'/>
+        <parameter type-id='19c2251e' name='id' filepath='sound/soc/soc-topology.c' line='2809' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_tplg_component_remove' mangled-name='snd_soc_tplg_component_remove' filepath='sound/soc/soc-topology.c' line='2875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_tplg_component_remove'>
+        <parameter type-id='807b7702' name='comp' filepath='sound/soc/soc-topology.c' line='2875' column='1'/>
+        <parameter type-id='19c2251e' name='index' filepath='sound/soc/soc-topology.c' line='2875' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_tplg_widget_bind_event' mangled-name='snd_soc_tplg_widget_bind_event' filepath='sound/soc/soc-topology.c' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_tplg_widget_bind_event'>
+        <parameter type-id='810606ec' name='w' filepath='sound/soc/soc-topology.c' line='664' column='1'/>
+        <parameter type-id='46c30e4c' name='events' filepath='sound/soc/soc-topology.c' line='665' column='1'/>
+        <parameter type-id='95e97e5e' name='num_events' filepath='sound/soc/soc-topology.c' line='666' column='1'/>
+        <parameter type-id='1dc6a898' name='event_type' filepath='sound/soc/soc-topology.c' line='666' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_unregister_card' mangled-name='snd_soc_unregister_card' filepath='sound/soc/soc-core.c' line='2209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_unregister_card'>
+        <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2209' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snd_soc_unregister_component' mangled-name='snd_soc_unregister_component' filepath='sound/soc/soc-core.c' line='2573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_unregister_component'>
+        <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='2573' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='snd_vendor_set_ops' mangled-name='snd_vendor_set_ops' filepath='sound/usb/card.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_vendor_set_ops'>
+        <parameter type-id='39c41052' name='ops' filepath='sound/usb/card.c' line='117' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='snprintf' mangled-name='snprintf' filepath='include/linux/kernel.h' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snprintf'>
+        <parameter type-id='26a90f95'/>
+        <parameter type-id='b59d7dce'/>
+        <parameter type-id='80f4b756'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='soc_device_match' mangled-name='soc_device_match' filepath='drivers/base/soc.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='soc_device_match'>
+        <parameter type-id='76f001ad' name='matches' filepath='drivers/base/soc.c' line='242' column='1'/>
+        <return type-id='76f001ad'/>
+      </function-decl>
+      <function-decl name='soc_device_register' mangled-name='soc_device_register' filepath='drivers/base/soc.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='soc_device_register'>
+        <parameter type-id='2dbbe856' name='soc_dev_attr' filepath='drivers/base/soc.c' line='114' column='1'/>
+        <return type-id='97eb1967'/>
+      </function-decl>
+      <function-decl name='soc_device_unregister' mangled-name='soc_device_unregister' filepath='drivers/base/soc.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='soc_device_unregister'>
+        <parameter type-id='97eb1967' name='soc_dev' filepath='drivers/base/soc.c' line='172' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sock_alloc_send_skb' mangled-name='sock_alloc_send_skb' filepath='net/core/sock.c' line='2390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_alloc_send_skb'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='2390' column='1'/>
+        <parameter type-id='7359adad' name='size' filepath='net/core/sock.c' line='2390' column='1'/>
+        <parameter type-id='95e97e5e' name='noblock' filepath='net/core/sock.c' line='2391' column='1'/>
+        <parameter type-id='7292109c' name='errcode' filepath='net/core/sock.c' line='2391' column='1'/>
+        <return type-id='0fbf3cfd'/>
+      </function-decl>
+      <function-decl name='sock_create_kern' mangled-name='sock_create_kern' filepath='net/socket.c' line='1501' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_create_kern'>
+        <parameter type-id='a2bff676' name='net' filepath='net/socket.c' line='1501' column='1'/>
+        <parameter type-id='95e97e5e' name='family' filepath='net/socket.c' line='1501' column='1'/>
+        <parameter type-id='95e97e5e' name='type' filepath='net/socket.c' line='1501' column='1'/>
+        <parameter type-id='95e97e5e' name='protocol' filepath='net/socket.c' line='1501' column='1'/>
+        <parameter type-id='1a7bb5c8' name='res' filepath='net/socket.c' line='1501' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_efree' mangled-name='sock_efree' filepath='net/core/sock.c' line='2166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_efree'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='2166' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sock_gettstamp' mangled-name='sock_gettstamp' filepath='net/core/sock.c' line='3172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_gettstamp'>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='3172' column='1'/>
+        <parameter type-id='eaa32e2f' name='userstamp' filepath='net/core/sock.c' line='3172' column='1'/>
+        <parameter type-id='b50a4934' name='timeval' filepath='net/core/sock.c' line='3173' column='1'/>
+        <parameter type-id='b50a4934' name='time32' filepath='net/core/sock.c' line='3173' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_init_data' mangled-name='sock_init_data' filepath='net/core/sock.c' line='3091' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_init_data'>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='3091' column='1'/>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='3091' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sock_no_accept' mangled-name='sock_no_accept' filepath='net/core/sock.c' line='2793' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_accept'>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2793' column='1'/>
+        <parameter type-id='13103032' name='newsock' filepath='net/core/sock.c' line='2793' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/core/sock.c' line='2793' column='1'/>
+        <parameter type-id='b50a4934' name='kern' filepath='net/core/sock.c' line='2794' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_no_listen' mangled-name='sock_no_listen' filepath='net/core/sock.c' line='2813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_listen'>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2813' column='1'/>
+        <parameter type-id='95e97e5e' name='backlog' filepath='net/core/sock.c' line='2813' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_no_mmap' mangled-name='sock_no_mmap' filepath='net/core/sock.c' line='2844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_mmap'>
+        <parameter type-id='77e79a4b' name='file' filepath='net/core/sock.c' line='2844' column='1'/>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2844' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='net/core/sock.c' line='2844' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_no_sendpage' mangled-name='sock_no_sendpage' filepath='net/core/sock.c' line='2872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_sendpage'>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2872' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='net/core/sock.c' line='2872' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='net/core/sock.c' line='2872' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='net/core/sock.c' line='2872' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/core/sock.c' line='2872' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='sock_no_shutdown' mangled-name='sock_no_shutdown' filepath='net/core/sock.c' line='2819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_shutdown'>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2819' column='1'/>
+        <parameter type-id='95e97e5e' name='how' filepath='net/core/sock.c' line='2819' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_no_socketpair' mangled-name='sock_no_socketpair' filepath='net/core/sock.c' line='2787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_socketpair'>
+        <parameter type-id='13103032' name='sock1' filepath='net/core/sock.c' line='2787' column='1'/>
+        <parameter type-id='13103032' name='sock2' filepath='net/core/sock.c' line='2787' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_queue_rcv_skb' mangled-name='sock_queue_rcv_skb' filepath='net/core/sock.c' line='475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_queue_rcv_skb'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='475' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='475' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_recvmsg' mangled-name='sock_recvmsg' filepath='net/socket.c' line='917' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_recvmsg'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='917' column='1'/>
+        <parameter type-id='6b9b777a' name='msg' filepath='net/socket.c' line='917' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/socket.c' line='917' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_register' mangled-name='sock_register' filepath='net/socket.c' line='2996' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_register'>
+        <parameter type-id='81a51edb' name='ops' filepath='net/socket.c' line='2996' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_release' mangled-name='sock_release' filepath='net/socket.c' line='623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_release'>
+        <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='623' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sock_setsockopt' mangled-name='sock_setsockopt' filepath='net/core/sock.c' line='834' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_setsockopt'>
+        <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='834' column='1'/>
+        <parameter type-id='95e97e5e' name='level' filepath='net/core/sock.c' line='834' column='1'/>
+        <parameter type-id='95e97e5e' name='optname' filepath='net/core/sock.c' line='834' column='1'/>
+        <parameter type-id='298d29fd' name='optval' filepath='net/core/sock.c' line='835' column='1'/>
+        <parameter type-id='f0981eeb' name='optlen' filepath='net/core/sock.c' line='835' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sock_unregister' mangled-name='sock_unregister' filepath='net/socket.c' line='3033' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_unregister'>
+        <parameter type-id='95e97e5e' name='family' filepath='net/socket.c' line='3033' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sock_wfree' mangled-name='sock_wfree' filepath='net/core/sock.c' line='2062' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_wfree'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='2062' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sockfd_lookup' mangled-name='sockfd_lookup' filepath='net/socket.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sockfd_lookup'>
+        <parameter type-id='95e97e5e' name='fd' filepath='net/socket.c' line='477' column='1'/>
+        <parameter type-id='7292109c' name='err' filepath='net/socket.c' line='477' column='1'/>
+        <return type-id='13103032'/>
+      </function-decl>
+      <var-decl name='softnet_data' type-id='035aa62d' mangled-name='softnet_data' visibility='default' filepath='net/core/dev.c' line='403' column='1' elf-symbol-id='softnet_data'/>
+      <function-decl name='sort' mangled-name='sort' filepath='lib/sort.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sort'>
+        <parameter type-id='eaa32e2f' name='base' filepath='lib/sort.c' line='266' column='1'/>
+        <parameter type-id='b59d7dce' name='num' filepath='lib/sort.c' line='266' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/sort.c' line='266' column='1'/>
+        <parameter type-id='a08bda3c' name='cmp_func' filepath='lib/sort.c' line='267' column='1'/>
+        <parameter type-id='a271c445' name='swap_func' filepath='lib/sort.c' line='268' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='spi_bus_lock' mangled-name='spi_bus_lock' filepath='drivers/spi/spi.c' line='3936' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_bus_lock'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='3936' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='spi_bus_type' type-id='b31bfc8a' mangled-name='spi_bus_type' visibility='default' filepath='drivers/spi/spi.c' line='373' column='1' elf-symbol-id='spi_bus_type'/>
+      <function-decl name='spi_bus_unlock' mangled-name='spi_bus_unlock' filepath='drivers/spi/spi.c' line='3965' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_bus_unlock'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='3965' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_controller_resume' mangled-name='spi_controller_resume' filepath='drivers/spi/spi.c' line='2934' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_controller_resume'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2934' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_controller_suspend' mangled-name='spi_controller_suspend' filepath='drivers/spi/spi.c' line='2918' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_controller_suspend'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2918' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_delay_exec' mangled-name='spi_delay_exec' filepath='drivers/spi/spi.c' line='1209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_delay_exec'>
+        <parameter type-id='652fafc9' name='_delay' filepath='drivers/spi/spi.c' line='1209' column='1'/>
+        <parameter type-id='7c11f655' name='xfer' filepath='drivers/spi/spi.c' line='1209' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_finalize_current_message' mangled-name='spi_finalize_current_message' filepath='drivers/spi/spi.c' line='1726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_finalize_current_message'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='1726' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='spi_finalize_current_transfer' mangled-name='spi_finalize_current_transfer' filepath='drivers/spi/spi.c' line='1367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_finalize_current_transfer'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='1367' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='spi_get_next_queued_message' mangled-name='spi_get_next_queued_message' filepath='drivers/spi/spi.c' line='1704' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_get_next_queued_message'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='1704' column='1'/>
+        <return type-id='bb7889ed'/>
+      </function-decl>
+      <function-decl name='spi_register_controller' mangled-name='spi_register_controller' filepath='drivers/spi/spi.c' line='2672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_register_controller'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2672' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_set_cs_timing' mangled-name='spi_set_cs_timing' filepath='drivers/spi/spi.c' line='3462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_set_cs_timing'>
+        <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3462' column='1'/>
+        <parameter type-id='652fafc9' name='setup' filepath='drivers/spi/spi.c' line='3462' column='1'/>
+        <parameter type-id='652fafc9' name='hold' filepath='drivers/spi/spi.c' line='3463' column='1'/>
+        <parameter type-id='652fafc9' name='inactive' filepath='drivers/spi/spi.c' line='3463' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_setup' mangled-name='spi_setup' filepath='drivers/spi/spi.c' line='3346' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_setup'>
+        <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3346' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_sync' mangled-name='spi_sync' filepath='drivers/spi/spi.c' line='3887' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_sync'>
+        <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3887' column='1'/>
+        <parameter type-id='bb7889ed' name='message' filepath='drivers/spi/spi.c' line='3887' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_sync_locked' mangled-name='spi_sync_locked' filepath='drivers/spi/spi.c' line='3915' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_sync_locked'>
+        <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3915' column='1'/>
+        <parameter type-id='bb7889ed' name='message' filepath='drivers/spi/spi.c' line='3915' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spi_unregister_controller' mangled-name='spi_unregister_controller' filepath='drivers/spi/spi.c' line='2875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_unregister_controller'>
+        <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2875' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='spi_write_then_read' mangled-name='spi_write_then_read' filepath='drivers/spi/spi.c' line='4000' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_write_then_read'>
+        <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='4000' column='1'/>
+        <parameter type-id='eaa32e2f' name='txbuf' filepath='drivers/spi/spi.c' line='4001' column='1'/>
+        <parameter type-id='f0981eeb' name='n_tx' filepath='drivers/spi/spi.c' line='4001' column='1'/>
+        <parameter type-id='eaa32e2f' name='rxbuf' filepath='drivers/spi/spi.c' line='4002' column='1'/>
+        <parameter type-id='f0981eeb' name='n_rx' filepath='drivers/spi/spi.c' line='4002' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='split_page' mangled-name='split_page' filepath='mm/page_alloc.c' line='3538' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='split_page'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='3538' column='1'/>
+        <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='3538' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='spmi_controller_add' mangled-name='spmi_controller_add' filepath='drivers/spmi/spmi.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_controller_add'>
+        <parameter type-id='d5cbf711' name='ctrl' filepath='drivers/spmi/spmi.c' line='509' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spmi_controller_alloc' mangled-name='spmi_controller_alloc' filepath='drivers/spmi/spmi.c' line='414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_controller_alloc'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/spmi/spmi.c' line='414' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/spmi/spmi.c' line='415' column='1'/>
+        <return type-id='d5cbf711'/>
+      </function-decl>
+      <function-decl name='spmi_controller_remove' mangled-name='spmi_controller_remove' filepath='drivers/spmi/spmi.c' line='547' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_controller_remove'>
+        <parameter type-id='d5cbf711' name='ctrl' filepath='drivers/spmi/spmi.c' line='547' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='spmi_ext_register_read' mangled-name='spmi_ext_register_read' filepath='drivers/spmi/spmi.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_read'>
+        <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='161' column='1'/>
+        <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='161' column='1'/>
+        <parameter type-id='8bff8096' name='buf' filepath='drivers/spmi/spmi.c' line='161' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='162' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spmi_ext_register_readl' mangled-name='spmi_ext_register_readl' filepath='drivers/spmi/spmi.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_readl'>
+        <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='183' column='1'/>
+        <parameter type-id='1dc6a898' name='addr' filepath='drivers/spmi/spmi.c' line='183' column='1'/>
+        <parameter type-id='8bff8096' name='buf' filepath='drivers/spmi/spmi.c' line='183' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='184' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spmi_ext_register_write' mangled-name='spmi_ext_register_write' filepath='drivers/spmi/spmi.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_write'>
+        <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='238' column='1'/>
+        <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='238' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='drivers/spmi/spmi.c' line='238' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='239' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spmi_ext_register_writel' mangled-name='spmi_ext_register_writel' filepath='drivers/spmi/spmi.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_writel'>
+        <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='260' column='1'/>
+        <parameter type-id='1dc6a898' name='addr' filepath='drivers/spmi/spmi.c' line='260' column='1'/>
+        <parameter type-id='bbaf3419' name='buf' filepath='drivers/spmi/spmi.c' line='260' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='261' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spmi_register_read' mangled-name='spmi_register_read' filepath='drivers/spmi/spmi.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_register_read'>
+        <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='140' column='1'/>
+        <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='140' column='1'/>
+        <parameter type-id='8bff8096' name='buf' filepath='drivers/spmi/spmi.c' line='140' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spmi_register_write' mangled-name='spmi_register_write' filepath='drivers/spmi/spmi.c' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_register_write'>
+        <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='203' column='1'/>
+        <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='203' column='1'/>
+        <parameter type-id='f9b06939' name='data' filepath='drivers/spmi/spmi.c' line='203' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='spmi_register_zero_write' mangled-name='spmi_register_zero_write' filepath='drivers/spmi/spmi.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_register_zero_write'>
+        <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='221' column='1'/>
+        <parameter type-id='f9b06939' name='data' filepath='drivers/spmi/spmi.c' line='221' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sprint_symbol' mangled-name='sprint_symbol' filepath='kernel/kallsyms.c' line='437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sprint_symbol'>
+        <parameter type-id='26a90f95' name='buffer' filepath='kernel/kallsyms.c' line='437' column='1'/>
+        <parameter type-id='7359adad' name='address' filepath='kernel/kallsyms.c' line='437' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sprintf' mangled-name='sprintf' filepath='lib/vsprintf.c' line='2880' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sprintf'>
+        <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2880' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2880' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='srcu_init_notifier_head' mangled-name='srcu_init_notifier_head' filepath='kernel/notifier.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_init_notifier_head'>
+        <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='522' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='srcu_notifier_call_chain' mangled-name='srcu_notifier_call_chain' filepath='kernel/notifier.c' line='497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_notifier_call_chain'>
+        <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='497' column='1'/>
+        <parameter type-id='7359adad' name='val' filepath='kernel/notifier.c' line='498' column='1'/>
+        <parameter type-id='eaa32e2f' name='v' filepath='kernel/notifier.c' line='498' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='srcu_notifier_chain_register' mangled-name='srcu_notifier_chain_register' filepath='kernel/notifier.c' line='430' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_notifier_chain_register'>
+        <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='430' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='431' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='srcu_notifier_chain_unregister' mangled-name='srcu_notifier_chain_unregister' filepath='kernel/notifier.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_notifier_chain_unregister'>
+        <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='460' column='1'/>
+        <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='461' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sscanf' mangled-name='sscanf' filepath='lib/vsprintf.c' line='3571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sscanf'>
+        <parameter type-id='80f4b756' name='buf' filepath='lib/vsprintf.c' line='3571' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='3571' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='stack_trace_print' mangled-name='stack_trace_print' filepath='kernel/stacktrace.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_print'>
+        <parameter type-id='f9b37274' name='entries' filepath='kernel/stacktrace.c' line='23' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_entries' filepath='kernel/stacktrace.c' line='23' column='1'/>
+        <parameter type-id='95e97e5e' name='spaces' filepath='kernel/stacktrace.c' line='24' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='stack_trace_save' mangled-name='stack_trace_save' filepath='kernel/stacktrace.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_save'>
+        <parameter type-id='1d2c2b85' name='store' filepath='kernel/stacktrace.c' line='111' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='kernel/stacktrace.c' line='111' column='1'/>
+        <parameter type-id='f0981eeb' name='skipnr' filepath='kernel/stacktrace.c' line='112' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='stack_trace_save_regs' mangled-name='stack_trace_save_regs' filepath='kernel/stacktrace.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_save_regs'>
+        <parameter type-id='4616a179' name='regs' filepath='kernel/stacktrace.c' line='164' column='1'/>
+        <parameter type-id='1d2c2b85' name='store' filepath='kernel/stacktrace.c' line='164' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='kernel/stacktrace.c' line='165' column='1'/>
+        <parameter type-id='f0981eeb' name='skipnr' filepath='kernel/stacktrace.c' line='165' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='stack_trace_save_tsk' mangled-name='stack_trace_save_tsk' filepath='kernel/stacktrace.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_save_tsk'>
+        <parameter type-id='f23e2572' name='tsk' filepath='kernel/stacktrace.c' line='135' column='1'/>
+        <parameter type-id='1d2c2b85' name='store' filepath='kernel/stacktrace.c' line='135' column='1'/>
+        <parameter type-id='f0981eeb' name='size' filepath='kernel/stacktrace.c' line='136' column='1'/>
+        <parameter type-id='f0981eeb' name='skipnr' filepath='kernel/stacktrace.c' line='136' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='static_key_disable' mangled-name='static_key_disable' filepath='kernel/jump_label.c' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_disable'>
+        <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='212' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='static_key_enable' mangled-name='static_key_enable' filepath='kernel/jump_label.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_enable'>
+        <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='187' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='static_key_slow_dec' mangled-name='static_key_slow_dec' filepath='kernel/jump_label.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_slow_dec'>
+        <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='267' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='static_key_slow_inc' mangled-name='static_key_slow_inc' filepath='kernel/jump_label.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_slow_inc'>
+        <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='156' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='stop_machine' mangled-name='stop_machine' filepath='kernel/stop_machine.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stop_machine'>
+        <parameter type-id='87dfefa3' name='fn' filepath='kernel/stop_machine.c' line='642' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/stop_machine.c' line='642' column='1'/>
+        <parameter type-id='5f8a1ac4' name='cpus' filepath='kernel/stop_machine.c' line='642' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='stop_one_cpu_nowait' mangled-name='stop_one_cpu_nowait' filepath='kernel/stop_machine.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stop_one_cpu_nowait'>
+        <parameter type-id='f0981eeb' name='cpu' filepath='kernel/stop_machine.c' line='358' column='1'/>
+        <parameter type-id='87dfefa3' name='fn' filepath='kernel/stop_machine.c' line='358' column='1'/>
+        <parameter type-id='eaa32e2f' name='arg' filepath='kernel/stop_machine.c' line='358' column='1'/>
+        <parameter type-id='cc8decc0' name='work_buf' filepath='kernel/stop_machine.c' line='359' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='store_sampling_rate' mangled-name='store_sampling_rate' filepath='drivers/cpufreq/cpufreq_governor.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='store_sampling_rate'>
+        <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor.c' line='44' column='1'/>
+        <parameter type-id='80f4b756' name='buf' filepath='drivers/cpufreq/cpufreq_governor.c' line='44' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='drivers/cpufreq/cpufreq_governor.c' line='45' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='stpcpy' mangled-name='stpcpy' filepath='lib/string.c' line='291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stpcpy'>
+        <parameter type-id='266fe297' name='dest' filepath='lib/string.c' line='291' column='1'/>
+        <parameter type-id='9d26089a' name='src' filepath='lib/string.c' line='291' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strcasecmp' mangled-name='strcasecmp' filepath='lib/string.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strcasecmp'>
+        <parameter type-id='80f4b756' name='s1' filepath='lib/string.c' line='69' column='1'/>
+        <parameter type-id='80f4b756' name='s2' filepath='lib/string.c' line='69' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='strcat' mangled-name='strcat' filepath='lib/string.c' line='306' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strcat'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='306' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='306' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strchrnul' mangled-name='strchrnul' filepath='lib/string.c' line='452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strchrnul'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/string.c' line='452' column='1'/>
+        <parameter type-id='95e97e5e' name='c' filepath='lib/string.c' line='452' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strcpy' mangled-name='strcpy' filepath='lib/string.c' line='89' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strcpy'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='89' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='89' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strcspn' mangled-name='strcspn' filepath='lib/string.c' line='625' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strcspn'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/string.c' line='625' column='1'/>
+        <parameter type-id='80f4b756' name='reject' filepath='lib/string.c' line='625' column='1'/>
+        <return type-id='9e19ad6e'/>
+      </function-decl>
+      <function-decl name='stream_open' mangled-name='stream_open' filepath='fs/open.c' line='1425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stream_open'>
+        <parameter type-id='7e666abe' name='inode' filepath='fs/open.c' line='1425' column='1'/>
+        <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='1425' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='strim' mangled-name='strim' filepath='lib/string.c' line='541' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strim'>
+        <parameter type-id='26a90f95' name='s' filepath='lib/string.c' line='541' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='string_get_size' mangled-name='string_get_size' filepath='lib/string_helpers.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='string_get_size'>
+        <parameter type-id='91ce1af9' name='size' filepath='lib/string_helpers.c' line='34' column='1'/>
+        <parameter type-id='91ce1af9' name='blk_size' filepath='lib/string_helpers.c' line='34' column='1'/>
+        <parameter type-id='5a685f5f' name='units' filepath='lib/string_helpers.c' line='34' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='lib/string_helpers.c' line='35' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='lib/string_helpers.c' line='35' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='strlcat' mangled-name='strlcat' filepath='lib/string.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strlcat'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='355' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='355' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='355' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='strlcpy' mangled-name='strlcpy' filepath='lib/string.c' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strlcpy'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='141' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='141' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/string.c' line='141' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='strncasecmp' mangled-name='strncasecmp' filepath='lib/string.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strncasecmp'>
+        <parameter type-id='80f4b756' name='s1' filepath='lib/string.c' line='43' column='1'/>
+        <parameter type-id='80f4b756' name='s2' filepath='lib/string.c' line='43' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='lib/string.c' line='43' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='strncat' mangled-name='strncat' filepath='lib/string.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strncat'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='329' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='329' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='329' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strnchr' mangled-name='strnchr' filepath='lib/string.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strnchr'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/string.c' line='506' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='506' column='1'/>
+        <parameter type-id='95e97e5e' name='c' filepath='lib/string.c' line='506' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strncpy' mangled-name='strncpy' filepath='lib/string.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strncpy'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='114' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='114' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='114' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strncpy_from_user' mangled-name='strncpy_from_user' filepath='lib/strncpy_from_user.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strncpy_from_user'>
+        <parameter type-id='26a90f95' name='dst' filepath='lib/strncpy_from_user.c' line='113' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/strncpy_from_user.c' line='113' column='1'/>
+        <parameter type-id='bd54fe1a' name='count' filepath='lib/strncpy_from_user.c' line='113' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='strndup_user' mangled-name='strndup_user' filepath='mm/util.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strndup_user'>
+        <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='222' column='1'/>
+        <parameter type-id='bd54fe1a' name='n' filepath='mm/util.c' line='222' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strnstr' mangled-name='strnstr' filepath='lib/string.c' line='1026' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strnstr'>
+        <parameter type-id='80f4b756' name='s1' filepath='lib/string.c' line='1026' column='1'/>
+        <parameter type-id='80f4b756' name='s2' filepath='lib/string.c' line='1026' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='lib/string.c' line='1026' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strpbrk' mangled-name='strpbrk' filepath='lib/string.c' line='649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strpbrk'>
+        <parameter type-id='80f4b756' name='cs' filepath='lib/string.c' line='649' column='1'/>
+        <parameter type-id='80f4b756' name='ct' filepath='lib/string.c' line='649' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strscpy' mangled-name='strscpy' filepath='lib/string.c' line='180' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strscpy'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='180' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='180' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='180' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='strscpy_pad' mangled-name='strscpy_pad' filepath='lib/string.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strscpy_pad'>
+        <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='261' column='1'/>
+        <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='261' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='261' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='strsep' mangled-name='strsep' filepath='lib/string.c' line='676' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strsep'>
+        <parameter type-id='9b23c9ad' name='s' filepath='lib/string.c' line='676' column='1'/>
+        <parameter type-id='80f4b756' name='ct' filepath='lib/string.c' line='676' column='1'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='strspn' mangled-name='strspn' filepath='lib/string.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strspn'>
+        <parameter type-id='80f4b756' name='s' filepath='lib/string.c' line='598' column='1'/>
+        <parameter type-id='80f4b756' name='accept' filepath='lib/string.c' line='598' column='1'/>
+        <return type-id='9e19ad6e'/>
+      </function-decl>
+      <function-decl name='strstr' mangled-name='strstr' filepath='include/linux/string.h' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strstr'>
+        <parameter type-id='80f4b756'/>
+        <parameter type-id='80f4b756'/>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='submit_bio' mangled-name='submit_bio' filepath='block/blk-core.c' line='1071' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='submit_bio'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/blk-core.c' line='1071' column='1'/>
+        <return type-id='041bc907'/>
+      </function-decl>
+      <function-decl name='submit_bio_wait' mangled-name='submit_bio_wait' filepath='block/bio.c' line='1155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='submit_bio_wait'>
+        <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='1155' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='subsys_system_register' mangled-name='subsys_system_register' filepath='drivers/base/bus.c' line='1159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='subsys_system_register'>
+        <parameter type-id='5e2671f8' name='subsys' filepath='drivers/base/bus.c' line='1159' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/bus.c' line='1160' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='suspend_set_ops' mangled-name='suspend_set_ops' filepath='kernel/power/suspend.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='suspend_set_ops'>
+        <parameter type-id='9d109fcf' name='ops' filepath='kernel/power/suspend.c' line='204' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='swiotlb_max_segment' mangled-name='swiotlb_max_segment' filepath='kernel/dma/swiotlb.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='swiotlb_max_segment'>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='symbol_put_addr' mangled-name='symbol_put_addr' filepath='kernel/module.c' line='1095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='symbol_put_addr'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='kernel/module.c' line='1095' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sync_file_create' mangled-name='sync_file_create' filepath='drivers/dma-buf/sync_file.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sync_file_create'>
+        <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/sync_file.c' line='64' column='1'/>
+        <return type-id='6a6b0b01'/>
+      </function-decl>
+      <function-decl name='sync_file_get_fence' mangled-name='sync_file_get_fence' filepath='drivers/dma-buf/sync_file.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sync_file_get_fence'>
+        <parameter type-id='95e97e5e' name='fd' filepath='drivers/dma-buf/sync_file.c' line='102' column='1'/>
+        <return type-id='28271da3'/>
+      </function-decl>
+      <function-decl name='synchronize_irq' mangled-name='synchronize_irq' filepath='kernel/irq/manage.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_irq'>
+        <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='127' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='synchronize_net' mangled-name='synchronize_net' filepath='net/core/dev.c' line='10639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_net'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='synchronize_rcu' mangled-name='synchronize_rcu' filepath='kernel/rcu/tree.c' line='3711' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_rcu'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='synchronize_srcu' mangled-name='synchronize_srcu' filepath='kernel/rcu/srcutree.c' line='1009' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_srcu'>
+        <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='1009' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='sys_tz' type-id='6751193a' mangled-name='sys_tz' visibility='default' filepath='kernel/time/time.c' line='50' column='1' elf-symbol-id='sys_tz'/>
+      <function-decl name='syscon_node_to_regmap' mangled-name='syscon_node_to_regmap' filepath='drivers/mfd/syscon.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscon_node_to_regmap'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/mfd/syscon.c' line='183' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='syscon_regmap_lookup_by_phandle' mangled-name='syscon_regmap_lookup_by_phandle' filepath='drivers/mfd/syscon.c' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscon_regmap_lookup_by_phandle'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/mfd/syscon.c' line='208' column='1'/>
+        <parameter type-id='80f4b756' name='property' filepath='drivers/mfd/syscon.c' line='209' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <function-decl name='syscon_regmap_lookup_by_phandle_args' mangled-name='syscon_regmap_lookup_by_phandle_args' filepath='drivers/mfd/syscon.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscon_regmap_lookup_by_phandle_args'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/mfd/syscon.c' line='229' column='1'/>
+        <parameter type-id='80f4b756' name='property' filepath='drivers/mfd/syscon.c' line='230' column='1'/>
+        <parameter type-id='95e97e5e' name='arg_count' filepath='drivers/mfd/syscon.c' line='231' column='1'/>
+        <parameter type-id='807869d3' name='out_args' filepath='drivers/mfd/syscon.c' line='232' column='1'/>
+        <return type-id='29af9a71'/>
+      </function-decl>
+      <var-decl name='sysctl_sched_features' type-id='f0981eeb' mangled-name='sysctl_sched_features' visibility='default' filepath='kernel/sched/core.c' line='71' column='1' elf-symbol-id='sysctl_sched_features'/>
+      <var-decl name='sysctl_sched_latency' type-id='f0981eeb' mangled-name='sysctl_sched_latency' visibility='default' filepath='kernel/sched/fair.c' line='40' column='1' elf-symbol-id='sysctl_sched_latency'/>
+      <function-decl name='sysfs_add_file_to_group' mangled-name='sysfs_add_file_to_group' filepath='fs/sysfs/file.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_add_file_to_group'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='358' column='1'/>
+        <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='359' column='1'/>
+        <parameter type-id='80f4b756' name='group' filepath='fs/sysfs/file.c' line='359' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_add_link_to_group' mangled-name='sysfs_add_link_to_group' filepath='fs/sysfs/group.c' line='382' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_add_link_to_group'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='382' column='1'/>
+        <parameter type-id='80f4b756' name='group_name' filepath='fs/sysfs/group.c' line='382' column='1'/>
+        <parameter type-id='d30bdc51' name='target' filepath='fs/sysfs/group.c' line='383' column='1'/>
+        <parameter type-id='80f4b756' name='link_name' filepath='fs/sysfs/group.c' line='383' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_create_bin_file' mangled-name='sysfs_create_bin_file' filepath='fs/sysfs/file.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_bin_file'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='537' column='1'/>
+        <parameter type-id='559ac6f0' name='attr' filepath='fs/sysfs/file.c' line='538' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_create_file_ns' mangled-name='sysfs_create_file_ns' filepath='fs/sysfs/file.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_file_ns'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='322' column='1'/>
+        <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='322' column='1'/>
+        <parameter type-id='eaa32e2f' name='ns' filepath='fs/sysfs/file.c' line='323' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_create_files' mangled-name='sysfs_create_files' filepath='fs/sysfs/file.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_files'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='338' column='1'/>
+        <parameter type-id='cb460785' name='ptr' filepath='fs/sysfs/file.c' line='338' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_create_group' mangled-name='sysfs_create_group' filepath='fs/sysfs/group.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_group'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='172' column='1'/>
+        <parameter type-id='8ff9530e' name='grp' filepath='fs/sysfs/group.c' line='173' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_create_groups' mangled-name='sysfs_create_groups' filepath='fs/sysfs/group.c' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_groups'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='212' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='fs/sysfs/group.c' line='213' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_create_link' mangled-name='sysfs_create_link' filepath='fs/sysfs/symlink.c' line='89' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_link'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/symlink.c' line='89' column='1'/>
+        <parameter type-id='d30bdc51' name='target' filepath='fs/sysfs/symlink.c' line='89' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/sysfs/symlink.c' line='90' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_emit' mangled-name='sysfs_emit' filepath='fs/sysfs/file.c' line='721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_emit'>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/sysfs/file.c' line='721' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='fs/sysfs/file.c' line='721' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_emit_at' mangled-name='sysfs_emit_at' filepath='fs/sysfs/file.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_emit_at'>
+        <parameter type-id='26a90f95' name='buf' filepath='fs/sysfs/file.c' line='749' column='1'/>
+        <parameter type-id='95e97e5e' name='at' filepath='fs/sysfs/file.c' line='749' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='fs/sysfs/file.c' line='749' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysfs_notify' mangled-name='sysfs_notify' filepath='fs/sysfs/file.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_notify'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='173' column='1'/>
+        <parameter type-id='80f4b756' name='dir' filepath='fs/sysfs/file.c' line='173' column='1'/>
+        <parameter type-id='80f4b756' name='attr' filepath='fs/sysfs/file.c' line='173' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_remove_bin_file' mangled-name='sysfs_remove_bin_file' filepath='fs/sysfs/file.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_bin_file'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='557' column='1'/>
+        <parameter type-id='559ac6f0' name='attr' filepath='fs/sysfs/file.c' line='558' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_remove_file_from_group' mangled-name='sysfs_remove_file_from_group' filepath='fs/sysfs/file.c' line='513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_file_from_group'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='513' column='1'/>
+        <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='514' column='1'/>
+        <parameter type-id='80f4b756' name='group' filepath='fs/sysfs/file.c' line='514' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_remove_file_ns' mangled-name='sysfs_remove_file_ns' filepath='fs/sysfs/file.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_file_ns'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='465' column='1'/>
+        <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='465' column='1'/>
+        <parameter type-id='eaa32e2f' name='ns' filepath='fs/sysfs/file.c' line='466' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_remove_group' mangled-name='sysfs_remove_group' filepath='fs/sysfs/group.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_group'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='270' column='1'/>
+        <parameter type-id='8ff9530e' name='grp' filepath='fs/sysfs/group.c' line='271' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_remove_groups' mangled-name='sysfs_remove_groups' filepath='fs/sysfs/group.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_groups'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='305' column='1'/>
+        <parameter type-id='c97de1ac' name='groups' filepath='fs/sysfs/group.c' line='306' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_remove_link' mangled-name='sysfs_remove_link' filepath='fs/sysfs/symlink.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_link'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/symlink.c' line='143' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='fs/sysfs/symlink.c' line='143' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_remove_link_from_group' mangled-name='sysfs_remove_link_from_group' filepath='fs/sysfs/group.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_link_from_group'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='405' column='1'/>
+        <parameter type-id='80f4b756' name='group_name' filepath='fs/sysfs/group.c' line='405' column='1'/>
+        <parameter type-id='80f4b756' name='link_name' filepath='fs/sysfs/group.c' line='406' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='sysfs_streq' mangled-name='sysfs_streq' filepath='lib/string.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_streq'>
+        <parameter type-id='80f4b756' name='s1' filepath='lib/string.c' line='703' column='1'/>
+        <parameter type-id='80f4b756' name='s2' filepath='lib/string.c' line='703' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='sysfs_update_group' mangled-name='sysfs_update_group' filepath='fs/sysfs/group.c' line='255' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_update_group'>
+        <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='255' column='1'/>
+        <parameter type-id='8ff9530e' name='grp' filepath='fs/sysfs/group.c' line='256' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='sysrq_mask' mangled-name='sysrq_mask' filepath='drivers/tty/sysrq.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysrq_mask'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='system_32bit_el0_cpumask' mangled-name='system_32bit_el0_cpumask' filepath='arch/arm64/kernel/cpufeature.c' line='1315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='system_32bit_el0_cpumask'>
+        <return type-id='5f8a1ac4'/>
+      </function-decl>
+      <var-decl name='system_freezable_wq' type-id='242e3d19' mangled-name='system_freezable_wq' visibility='default' filepath='kernel/workqueue.c' line='356' column='1' elf-symbol-id='system_freezable_wq'/>
+      <var-decl name='system_freezing_cnt' type-id='49178f86' mangled-name='system_freezing_cnt' visibility='default' filepath='kernel/freezer.c' line='20' column='1' elf-symbol-id='system_freezing_cnt'/>
+      <var-decl name='system_highpri_wq' type-id='242e3d19' mangled-name='system_highpri_wq' visibility='default' filepath='kernel/workqueue.c' line='350' column='1' elf-symbol-id='system_highpri_wq'/>
+      <var-decl name='system_long_wq' type-id='242e3d19' mangled-name='system_long_wq' visibility='default' filepath='kernel/workqueue.c' line='352' column='1' elf-symbol-id='system_long_wq'/>
+      <var-decl name='system_power_efficient_wq' type-id='242e3d19' mangled-name='system_power_efficient_wq' visibility='default' filepath='kernel/workqueue.c' line='358' column='1' elf-symbol-id='system_power_efficient_wq'/>
+      <var-decl name='system_state' type-id='2ead22b4' mangled-name='system_state' visibility='default' filepath='init/main.c' line='127' column='1' elf-symbol-id='system_state'/>
+      <var-decl name='system_unbound_wq' type-id='242e3d19' mangled-name='system_unbound_wq' visibility='default' filepath='kernel/workqueue.c' line='354' column='1' elf-symbol-id='system_unbound_wq'/>
+      <var-decl name='system_wq' type-id='242e3d19' mangled-name='system_wq' visibility='default' filepath='kernel/workqueue.c' line='348' column='1' elf-symbol-id='system_wq'/>
+      <function-decl name='task_active_pid_ns' mangled-name='task_active_pid_ns' filepath='kernel/pid.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='task_active_pid_ns'>
+        <parameter type-id='f23e2572' name='tsk' filepath='kernel/pid.c' line='511' column='1'/>
+        <return type-id='b816e1d0'/>
+      </function-decl>
+      <function-decl name='task_may_not_preempt' mangled-name='task_may_not_preempt' filepath='kernel/sched/rt.c' line='1482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='task_may_not_preempt'>
+        <parameter type-id='f23e2572' name='task' filepath='kernel/sched/rt.c' line='1482' column='1'/>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/rt.c' line='1482' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='task_rq_lock' mangled-name='task_rq_lock' filepath='kernel/sched/core.c' line='220' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='task_rq_lock'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='220' column='1'/>
+        <parameter type-id='d0163a5e' name='rf' filepath='kernel/sched/core.c' line='220' column='1'/>
+        <return type-id='6ed6b432'/>
+      </function-decl>
+      <function-decl name='tasklet_init' mangled-name='tasklet_init' filepath='kernel/softirq.c' line='615' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tasklet_init'>
+        <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='615' column='1'/>
+        <parameter type-id='08b16374' name='func' filepath='kernel/softirq.c' line='616' column='1'/>
+        <parameter type-id='7359adad' name='data' filepath='kernel/softirq.c' line='616' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tasklet_kill' mangled-name='tasklet_kill' filepath='kernel/softirq.c' line='627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tasklet_kill'>
+        <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='627' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tasklet_setup' mangled-name='tasklet_setup' filepath='kernel/softirq.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tasklet_setup'>
+        <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='603' column='1'/>
+        <parameter type-id='02da239e' name='callback' filepath='kernel/softirq.c' line='604' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcp_register_congestion_control' mangled-name='tcp_register_congestion_control' filepath='net/ipv4/tcp_cong.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_register_congestion_control'>
+        <parameter type-id='58c93391' name='ca' filepath='net/ipv4/tcp_cong.c' line='70' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tcp_reno_cong_avoid' mangled-name='tcp_reno_cong_avoid' filepath='net/ipv4/tcp_cong.c' line='436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_reno_cong_avoid'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/tcp_cong.c' line='436' column='1'/>
+        <parameter type-id='19c2251e' name='ack' filepath='net/ipv4/tcp_cong.c' line='436' column='1'/>
+        <parameter type-id='19c2251e' name='acked' filepath='net/ipv4/tcp_cong.c' line='436' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcp_reno_ssthresh' mangled-name='tcp_reno_ssthresh' filepath='net/ipv4/tcp_cong.c' line='455' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_reno_ssthresh'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/tcp_cong.c' line='455' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='tcp_reno_undo_cwnd' mangled-name='tcp_reno_undo_cwnd' filepath='net/ipv4/tcp_cong.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_reno_undo_cwnd'>
+        <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/tcp_cong.c' line='463' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='tcp_slow_start' mangled-name='tcp_slow_start' filepath='net/ipv4/tcp_cong.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_slow_start'>
+        <parameter type-id='de885ea5' name='tp' filepath='net/ipv4/tcp_cong.c' line='396' column='1'/>
+        <parameter type-id='19c2251e' name='acked' filepath='net/ipv4/tcp_cong.c' line='396' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='tcp_unregister_congestion_control' mangled-name='tcp_unregister_congestion_control' filepath='net/ipv4/tcp_cong.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_unregister_congestion_control'>
+        <parameter type-id='58c93391' name='ca' filepath='net/ipv4/tcp_cong.c' line='104' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpci_get_tcpm_port' mangled-name='tcpci_get_tcpm_port' filepath='drivers/usb/typec/tcpm/tcpci.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_get_tcpm_port'>
+        <parameter type-id='eefe253e' name='tcpci' filepath='drivers/usb/typec/tcpm/tcpci.c' line='64' column='1'/>
+        <return type-id='426e425b'/>
+      </function-decl>
+      <function-decl name='tcpci_irq' mangled-name='tcpci_irq' filepath='drivers/usb/typec/tcpm/tcpci.c' line='691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_irq'>
+        <parameter type-id='eefe253e' name='tcpci' filepath='drivers/usb/typec/tcpm/tcpci.c' line='691' column='1'/>
+        <return type-id='4bdecfd7'/>
+      </function-decl>
+      <function-decl name='tcpci_register_port' mangled-name='tcpci_register_port' filepath='drivers/usb/typec/tcpm/tcpci.c' line='803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_register_port'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/typec/tcpm/tcpci.c' line='803' column='1'/>
+        <parameter type-id='b6733265' name='data' filepath='drivers/usb/typec/tcpm/tcpci.c' line='803' column='1'/>
+        <return type-id='eefe253e'/>
+      </function-decl>
+      <function-decl name='tcpci_unregister_port' mangled-name='tcpci_unregister_port' filepath='drivers/usb/typec/tcpm/tcpci.c' line='860' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_unregister_port'>
+        <parameter type-id='eefe253e' name='tcpci' filepath='drivers/usb/typec/tcpm/tcpci.c' line='860' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_cc_change' mangled-name='tcpm_cc_change' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_cc_change'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5556' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_is_toggling' mangled-name='tcpm_is_toggling' filepath='drivers/usb/typec/tcpm/tcpm.c' line='3856' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_is_toggling'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='3856' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='tcpm_pd_hard_reset' mangled-name='tcpm_pd_hard_reset' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_pd_hard_reset'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5574' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_pd_receive' mangled-name='tcpm_pd_receive' filepath='drivers/usb/typec/tcpm/tcpm.c' line='2975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_pd_receive'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='2975' column='1'/>
+        <parameter type-id='d7f1fb72' name='msg' filepath='drivers/usb/typec/tcpm/tcpm.c' line='2975' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_pd_transmit_complete' mangled-name='tcpm_pd_transmit_complete' filepath='drivers/usb/typec/tcpm/tcpm.c' line='924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_pd_transmit_complete'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='924' column='1'/>
+        <parameter type-id='a2f9e316' name='status' filepath='drivers/usb/typec/tcpm/tcpm.c' line='925' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_register_port' mangled-name='tcpm_register_port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_register_port'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6567' column='1'/>
+        <parameter type-id='15b1f129' name='tcpc' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6567' column='1'/>
+        <return type-id='426e425b'/>
+      </function-decl>
+      <function-decl name='tcpm_sink_frs' mangled-name='tcpm_sink_frs' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_sink_frs'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5583' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_sourcing_vbus' mangled-name='tcpm_sourcing_vbus' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5592' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_sourcing_vbus'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5592' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_tcpc_reset' mangled-name='tcpm_tcpc_reset' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_tcpc_reset'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6106' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_unregister_port' mangled-name='tcpm_unregister_port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6668' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_unregister_port'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6668' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tcpm_update_sink_capabilities' mangled-name='tcpm_update_sink_capabilities' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_update_sink_capabilities'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6263' column='1'/>
+        <parameter type-id='aded214c' name='pdo' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6263' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_pdo' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6263' column='1'/>
+        <parameter type-id='f0981eeb' name='operating_snk_mw' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6264' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tcpm_vbus_change' mangled-name='tcpm_vbus_change' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_vbus_change'>
+        <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5565' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='teo_cpu_get_util_threshold' mangled-name='teo_cpu_get_util_threshold' filepath='drivers/cpuidle/governors/teo.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='teo_cpu_get_util_threshold'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='drivers/cpuidle/governors/teo.c' line='205' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='teo_cpu_set_util_threshold' mangled-name='teo_cpu_set_util_threshold' filepath='drivers/cpuidle/governors/teo.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='teo_cpu_set_util_threshold'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='drivers/cpuidle/governors/teo.c' line='211' column='1'/>
+        <parameter type-id='7359adad' name='util' filepath='drivers/cpuidle/governors/teo.c' line='211' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='thermal_cdev_update' mangled-name='thermal_cdev_update' filepath='drivers/thermal/thermal_helpers.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_cdev_update'>
+        <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/thermal_helpers.c' line='188' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='thermal_cooling_device_register' mangled-name='thermal_cooling_device_register' filepath='drivers/thermal/thermal_core.c' line='1171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_cooling_device_register'>
+        <parameter type-id='80f4b756' name='type' filepath='drivers/thermal/thermal_core.c' line='1171' column='1'/>
+        <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1171' column='1'/>
+        <parameter type-id='6f4dc085' name='ops' filepath='drivers/thermal/thermal_core.c' line='1172' column='1'/>
+        <return type-id='2feec21f'/>
+      </function-decl>
+      <function-decl name='thermal_cooling_device_unregister' mangled-name='thermal_cooling_device_unregister' filepath='drivers/thermal/thermal_core.c' line='1268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_cooling_device_unregister'>
+        <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/thermal_core.c' line='1268' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='thermal_of_cooling_device_register' mangled-name='thermal_of_cooling_device_register' filepath='drivers/thermal/thermal_core.c' line='1194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_of_cooling_device_register'>
+        <parameter type-id='9a537bbe' name='np' filepath='drivers/thermal/thermal_core.c' line='1194' column='1'/>
+        <parameter type-id='80f4b756' name='type' filepath='drivers/thermal/thermal_core.c' line='1195' column='1'/>
+        <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1195' column='1'/>
+        <parameter type-id='6f4dc085' name='ops' filepath='drivers/thermal/thermal_core.c' line='1196' column='1'/>
+        <return type-id='2feec21f'/>
+      </function-decl>
+      <var-decl name='thermal_pressure' type-id='7359adad' mangled-name='thermal_pressure' visibility='default' filepath='drivers/base/arch_topology.c' line='71' column='1' elf-symbol-id='thermal_pressure'/>
+      <function-decl name='thermal_zone_device_disable' mangled-name='thermal_zone_device_disable' filepath='drivers/thermal/thermal_core.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_disable'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='529' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='thermal_zone_device_enable' mangled-name='thermal_zone_device_enable' filepath='drivers/thermal/thermal_core.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_enable'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='523' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='thermal_zone_device_is_enabled' mangled-name='thermal_zone_device_is_enabled' filepath='drivers/thermal/thermal_core.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_is_enabled'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='535' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='thermal_zone_device_register' mangled-name='thermal_zone_device_register' filepath='drivers/thermal/thermal_core.c' line='1382' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_register'>
+        <parameter type-id='80f4b756' name='type' filepath='drivers/thermal/thermal_core.c' line='1382' column='1'/>
+        <parameter type-id='95e97e5e' name='trips' filepath='drivers/thermal/thermal_core.c' line='1382' column='1'/>
+        <parameter type-id='95e97e5e' name='mask' filepath='drivers/thermal/thermal_core.c' line='1382' column='1'/>
+        <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1383' column='1'/>
+        <parameter type-id='1e6fe389' name='ops' filepath='drivers/thermal/thermal_core.c' line='1383' column='1'/>
+        <parameter type-id='e2cbf964' name='tzp' filepath='drivers/thermal/thermal_core.c' line='1384' column='1'/>
+        <parameter type-id='95e97e5e' name='passive_delay' filepath='drivers/thermal/thermal_core.c' line='1384' column='1'/>
+        <parameter type-id='95e97e5e' name='polling_delay' filepath='drivers/thermal/thermal_core.c' line='1385' column='1'/>
+        <return type-id='404b1300'/>
+      </function-decl>
+      <function-decl name='thermal_zone_device_unregister' mangled-name='thermal_zone_device_unregister' filepath='drivers/thermal/thermal_core.c' line='1523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_unregister'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='1523' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='thermal_zone_device_update' mangled-name='thermal_zone_device_update' filepath='drivers/thermal/thermal_core.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_update'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='549' column='1'/>
+        <parameter type-id='b5808f5e' name='event' filepath='drivers/thermal/thermal_core.c' line='550' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='thermal_zone_get_slope' mangled-name='thermal_zone_get_slope' filepath='drivers/thermal/thermal_helpers.c' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_get_slope'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_helpers.c' line='226' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='thermal_zone_get_temp' mangled-name='thermal_zone_get_temp' filepath='drivers/thermal/thermal_helpers.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_get_temp'>
+        <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_helpers.c' line='78' column='1'/>
+        <parameter type-id='7292109c' name='temp' filepath='drivers/thermal/thermal_helpers.c' line='78' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='thermal_zone_get_zone_by_name' mangled-name='thermal_zone_get_zone_by_name' filepath='drivers/thermal/thermal_core.c' line='1591' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_get_zone_by_name'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/thermal/thermal_core.c' line='1591' column='1'/>
+        <return type-id='404b1300'/>
+      </function-decl>
+      <function-decl name='thermal_zone_of_sensor_register' mangled-name='thermal_zone_of_sensor_register' filepath='drivers/thermal/thermal_of.c' line='493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_of_sensor_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='493' column='1'/>
+        <parameter type-id='95e97e5e' name='sensor_id' filepath='drivers/thermal/thermal_of.c' line='493' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/thermal/thermal_of.c' line='493' column='1'/>
+        <parameter type-id='83036d6c' name='ops' filepath='drivers/thermal/thermal_of.c' line='494' column='1'/>
+        <return type-id='404b1300'/>
+      </function-decl>
+      <function-decl name='thermal_zone_of_sensor_unregister' mangled-name='thermal_zone_of_sensor_unregister' filepath='drivers/thermal/thermal_of.c' line='551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_of_sensor_unregister'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='551' column='1'/>
+        <parameter type-id='404b1300' name='tzd' filepath='drivers/thermal/thermal_of.c' line='552' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='thread_group_cputime_adjusted' mangled-name='thread_group_cputime_adjusted' filepath='kernel/sched/cputime.c' line='637' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thread_group_cputime_adjusted'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/cputime.c' line='637' column='1'/>
+        <parameter type-id='3df9fd28' name='ut' filepath='kernel/sched/cputime.c' line='637' column='1'/>
+        <parameter type-id='3df9fd28' name='st' filepath='kernel/sched/cputime.c' line='637' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tick_nohz_get_idle_calls_cpu' mangled-name='tick_nohz_get_idle_calls_cpu' filepath='kernel/time/tick-sched.c' line='1181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tick_nohz_get_idle_calls_cpu'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/tick-sched.c' line='1181' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='time64_to_tm' mangled-name='time64_to_tm' filepath='kernel/time/timeconv.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='time64_to_tm'>
+        <parameter type-id='1afd27ac' name='totalsecs' filepath='kernel/time/timeconv.c' line='78' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='kernel/time/timeconv.c' line='78' column='1'/>
+        <parameter type-id='d915a820' name='result' filepath='kernel/time/timeconv.c' line='78' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='timecounter_init' mangled-name='timecounter_init' filepath='kernel/time/timecounter.c' line='8' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timecounter_init'>
+        <parameter type-id='b548a676' name='tc' filepath='kernel/time/timecounter.c' line='8' column='1'/>
+        <parameter type-id='51a502f8' name='cc' filepath='kernel/time/timecounter.c' line='9' column='1'/>
+        <parameter type-id='91ce1af9' name='start_tstamp' filepath='kernel/time/timecounter.c' line='10' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='timecounter_read' mangled-name='timecounter_read' filepath='kernel/time/timecounter.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timecounter_read'>
+        <parameter type-id='b548a676' name='tc' filepath='kernel/time/timecounter.c' line='52' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='topology_set_thermal_pressure' mangled-name='topology_set_thermal_pressure' filepath='drivers/base/arch_topology.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='topology_set_thermal_pressure'>
+        <parameter type-id='5f8a1ac4' name='cpus' filepath='drivers/base/arch_topology.c' line='74' column='1'/>
+        <parameter type-id='7359adad' name='th_pressure' filepath='drivers/base/arch_topology.c' line='75' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='touch_softlockup_watchdog' mangled-name='touch_softlockup_watchdog' filepath='kernel/watchdog.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='touch_softlockup_watchdog'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='trace_define_field' mangled-name='trace_define_field' filepath='kernel/trace/trace_events.c' line='134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_define_field'>
+        <parameter type-id='23d6768c' name='call' filepath='kernel/trace/trace_events.c' line='134' column='1'/>
+        <parameter type-id='80f4b756' name='type' filepath='kernel/trace/trace_events.c' line='134' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='kernel/trace/trace_events.c' line='135' column='1'/>
+        <parameter type-id='95e97e5e' name='offset' filepath='kernel/trace/trace_events.c' line='135' column='1'/>
+        <parameter type-id='95e97e5e' name='size' filepath='kernel/trace/trace_events.c' line='135' column='1'/>
+        <parameter type-id='95e97e5e' name='is_signed' filepath='kernel/trace/trace_events.c' line='135' column='1'/>
+        <parameter type-id='95e97e5e' name='filter_type' filepath='kernel/trace/trace_events.c' line='136' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='trace_event_buffer_commit' mangled-name='trace_event_buffer_commit' filepath='kernel/trace/trace.c' line='2841' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_buffer_commit'>
+        <parameter type-id='9f548f9a' name='fbuffer' filepath='kernel/trace/trace.c' line='2841' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='trace_event_buffer_reserve' mangled-name='trace_event_buffer_reserve' filepath='kernel/trace/trace_events.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_buffer_reserve'>
+        <parameter type-id='9f548f9a' name='fbuffer' filepath='kernel/trace/trace_events.c' line='252' column='1'/>
+        <parameter type-id='3d4ca6d2' name='trace_file' filepath='kernel/trace/trace_events.c' line='253' column='1'/>
+        <parameter type-id='7359adad' name='len' filepath='kernel/trace/trace_events.c' line='254' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='trace_event_ignore_this_pid' mangled-name='trace_event_ignore_this_pid' filepath='kernel/trace/trace_events.c' line='233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_ignore_this_pid'>
+        <parameter type-id='3d4ca6d2' name='trace_file' filepath='kernel/trace/trace_events.c' line='233' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='trace_event_raw_init' mangled-name='trace_event_raw_init' filepath='kernel/trace/trace_events.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_raw_init'>
+        <parameter type-id='23d6768c' name='call' filepath='kernel/trace/trace_events.c' line='221' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='trace_event_reg' mangled-name='trace_event_reg' filepath='kernel/trace/trace_events.c' line='287' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_reg'>
+        <parameter type-id='23d6768c' name='call' filepath='kernel/trace/trace_events.c' line='287' column='1'/>
+        <parameter type-id='7fa6eeb8' name='type' filepath='kernel/trace/trace_events.c' line='288' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/trace/trace_events.c' line='288' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='trace_handle_return' mangled-name='trace_handle_return' filepath='kernel/trace/trace.c' line='2578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_handle_return'>
+        <parameter type-id='fc932690' name='s' filepath='kernel/trace/trace.c' line='2578' column='1'/>
+        <return type-id='b1a0a119'/>
+      </function-decl>
+      <function-decl name='trace_output_call' mangled-name='trace_output_call' filepath='kernel/trace/trace_output.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_output_call'>
+        <parameter type-id='18881289' name='iter' filepath='kernel/trace/trace_output.c' line='326' column='1'/>
+        <parameter type-id='26a90f95' name='name' filepath='kernel/trace/trace_output.c' line='326' column='1'/>
+        <parameter type-id='26a90f95' name='fmt' filepath='kernel/trace/trace_output.c' line='326' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='trace_print_array_seq' mangled-name='trace_print_array_seq' filepath='kernel/trace/trace_output.c' line='233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_array_seq'>
+        <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='233' column='1'/>
+        <parameter type-id='eaa32e2f' name='buf' filepath='kernel/trace/trace_output.c' line='233' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='kernel/trace/trace_output.c' line='233' column='1'/>
+        <parameter type-id='b59d7dce' name='el_size' filepath='kernel/trace/trace_output.c' line='234' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='trace_print_bitmask_seq' mangled-name='trace_print_bitmask_seq' filepath='kernel/trace/trace_output.c' line='193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_bitmask_seq'>
+        <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='193' column='1'/>
+        <parameter type-id='eaa32e2f' name='bitmask_ptr' filepath='kernel/trace/trace_output.c' line='193' column='1'/>
+        <parameter type-id='f0981eeb' name='bitmask_size' filepath='kernel/trace/trace_output.c' line='194' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='trace_print_flags_seq' mangled-name='trace_print_flags_seq' filepath='kernel/trace/trace_output.c' line='65' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_flags_seq'>
+        <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='65' column='1'/>
+        <parameter type-id='80f4b756' name='delim' filepath='kernel/trace/trace_output.c' line='65' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='kernel/trace/trace_output.c' line='66' column='1'/>
+        <parameter type-id='49526a0d' name='flag_array' filepath='kernel/trace/trace_output.c' line='67' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='trace_print_hex_seq' mangled-name='trace_print_hex_seq' filepath='kernel/trace/trace_output.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_hex_seq'>
+        <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='217' column='1'/>
+        <parameter type-id='354f7eb9' name='buf' filepath='kernel/trace/trace_output.c' line='217' column='1'/>
+        <parameter type-id='95e97e5e' name='buf_len' filepath='kernel/trace/trace_output.c' line='217' column='1'/>
+        <parameter type-id='b50a4934' name='concatenate' filepath='kernel/trace/trace_output.c' line='218' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='trace_print_symbols_seq' mangled-name='trace_print_symbols_seq' filepath='kernel/trace/trace_output.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_symbols_seq'>
+        <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='103' column='1'/>
+        <parameter type-id='7359adad' name='val' filepath='kernel/trace/trace_output.c' line='103' column='1'/>
+        <parameter type-id='49526a0d' name='symbol_array' filepath='kernel/trace/trace_output.c' line='104' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='trace_raw_output_prep' mangled-name='trace_raw_output_prep' filepath='kernel/trace/trace_output.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_raw_output_prep'>
+        <parameter type-id='18881289' name='iter' filepath='kernel/trace/trace_output.c' line='292' column='1'/>
+        <parameter type-id='fb7d87a1' name='trace_event' filepath='kernel/trace/trace_output.c' line='293' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='trace_seq_printf' mangled-name='trace_seq_printf' filepath='kernel/trace/trace_seq.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_seq_printf'>
+        <parameter type-id='fc932690' name='s' filepath='kernel/trace/trace_seq.c' line='81' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/trace/trace_seq.c' line='81' column='1'/>
+        <parameter is-variadic='yes'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='trace_seq_putc' mangled-name='trace_seq_putc' filepath='kernel/trace/trace_seq.c' line='233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_seq_putc'>
+        <parameter type-id='fc932690' name='s' filepath='kernel/trace/trace_seq.c' line='233' column='1'/>
+        <parameter type-id='002ac4a6' name='c' filepath='kernel/trace/trace_seq.c' line='233' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='trace_set_clr_event' mangled-name='trace_set_clr_event' filepath='kernel/trace/trace_events.c' line='886' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_set_clr_event'>
+        <parameter type-id='80f4b756' name='system' filepath='kernel/trace/trace_events.c' line='886' column='1'/>
+        <parameter type-id='80f4b756' name='event' filepath='kernel/trace/trace_events.c' line='886' column='1'/>
+        <parameter type-id='95e97e5e' name='set' filepath='kernel/trace/trace_events.c' line='886' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tracepoint_probe_register' mangled-name='tracepoint_probe_register' filepath='kernel/tracepoint.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tracepoint_probe_register'>
+        <parameter type-id='08e531de' name='tp' filepath='kernel/tracepoint.c' line='550' column='1'/>
+        <parameter type-id='eaa32e2f' name='probe' filepath='kernel/tracepoint.c' line='550' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/tracepoint.c' line='550' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tracepoint_probe_unregister' mangled-name='tracepoint_probe_unregister' filepath='kernel/tracepoint.c' line='564' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tracepoint_probe_unregister'>
+        <parameter type-id='08e531de' name='tp' filepath='kernel/tracepoint.c' line='564' column='1'/>
+        <parameter type-id='eaa32e2f' name='probe' filepath='kernel/tracepoint.c' line='564' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='kernel/tracepoint.c' line='564' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='try_module_get' mangled-name='try_module_get' filepath='kernel/module.c' line='1135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='try_module_get'>
+        <parameter type-id='2730d015' name='module' filepath='kernel/module.c' line='1135' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='try_to_del_timer_sync' mangled-name='try_to_del_timer_sync' filepath='kernel/time/timer.c' line='1229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='try_to_del_timer_sync'>
+        <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1229' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='try_wait_for_completion' mangled-name='try_wait_for_completion' filepath='kernel/sched/completion.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='try_wait_for_completion'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='282' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='tty_flip_buffer_push' mangled-name='tty_flip_buffer_push' filepath='drivers/tty/tty_buffer.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_flip_buffer_push'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_buffer.c' line='546' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_hangup' mangled-name='tty_hangup' filepath='drivers/tty/tty_io.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_hangup'>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='678' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_insert_flip_string_fixed_flag' mangled-name='tty_insert_flip_string_fixed_flag' filepath='drivers/tty/tty_buffer.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_insert_flip_string_fixed_flag'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_buffer.c' line='312' column='1'/>
+        <parameter type-id='354f7eb9' name='chars' filepath='drivers/tty/tty_buffer.c' line='313' column='1'/>
+        <parameter type-id='a84c031d' name='flag' filepath='drivers/tty/tty_buffer.c' line='313' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/tty/tty_buffer.c' line='313' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_kref_put' mangled-name='tty_kref_put' filepath='drivers/tty/tty_io.c' line='1573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_kref_put'>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='1573' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_ldisc_deref' mangled-name='tty_ldisc_deref' filepath='drivers/tty/tty_ldisc.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_ldisc_deref'>
+        <parameter type-id='e0bbd59c' name='ld' filepath='drivers/tty/tty_ldisc.c' line='305' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_ldisc_ref' mangled-name='tty_ldisc_ref' filepath='drivers/tty/tty_ldisc.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_ldisc_ref'>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_ldisc.c' line='284' column='1'/>
+        <return type-id='e0bbd59c'/>
+      </function-decl>
+      <function-decl name='tty_mode_ioctl' mangled-name='tty_mode_ioctl' filepath='drivers/tty/tty_ioctl.c' line='685' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_mode_ioctl'>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_ioctl.c' line='685' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/tty/tty_ioctl.c' line='685' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='drivers/tty/tty_ioctl.c' line='686' column='1'/>
+        <parameter type-id='7359adad' name='arg' filepath='drivers/tty/tty_ioctl.c' line='686' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_port_close' mangled-name='tty_port_close' filepath='drivers/tty/tty_port.c' line='632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_close'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='632' column='1'/>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_port.c' line='632' column='1'/>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/tty/tty_port.c' line='633' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_port_destroy' mangled-name='tty_port_destroy' filepath='drivers/tty/tty_port.c' line='247' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_destroy'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='247' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_port_hangup' mangled-name='tty_port_hangup' filepath='drivers/tty/tty_port.c' line='346' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_hangup'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='346' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_port_init' mangled-name='tty_port_init' filepath='drivers/tty/tty_port.c' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_init'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='62' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_port_open' mangled-name='tty_port_open' filepath='drivers/tty/tty_port.c' line='671' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_open'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='671' column='1'/>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_port.c' line='671' column='1'/>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/tty/tty_port.c' line='672' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_port_register_device' mangled-name='tty_port_register_device' filepath='drivers/tty/tty_port.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_register_device'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='109' column='1'/>
+        <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_port.c' line='110' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/tty/tty_port.c' line='110' column='1'/>
+        <parameter type-id='fa0b179b' name='device' filepath='drivers/tty/tty_port.c' line='111' column='1'/>
+        <return type-id='fa0b179b'/>
+      </function-decl>
+      <function-decl name='tty_port_tty_get' mangled-name='tty_port_tty_get' filepath='drivers/tty/tty_port.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_tty_get'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='284' column='1'/>
+        <return type-id='572fbdca'/>
+      </function-decl>
+      <function-decl name='tty_port_tty_wakeup' mangled-name='tty_port_tty_wakeup' filepath='drivers/tty/tty_port.c' line='387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_tty_wakeup'>
+        <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='387' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_put_char' mangled-name='tty_put_char' filepath='drivers/tty/tty_io.c' line='3122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_put_char'>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='3122' column='1'/>
+        <parameter type-id='002ac4a6' name='ch' filepath='drivers/tty/tty_io.c' line='3122' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_register_driver' mangled-name='tty_register_driver' filepath='drivers/tty/tty_io.c' line='3409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_register_driver'>
+        <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3409' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_register_ldisc' mangled-name='tty_register_ldisc' filepath='drivers/tty/tty_ldisc.c' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_register_ldisc'>
+        <parameter type-id='95e97e5e' name='disc' filepath='drivers/tty/tty_ldisc.c' line='62' column='1'/>
+        <parameter type-id='9d632ac5' name='new_ldisc' filepath='drivers/tty/tty_ldisc.c' line='62' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_set_operations' mangled-name='tty_set_operations' filepath='drivers/tty/tty_io.c' line='3393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_set_operations'>
+        <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3393' column='1'/>
+        <parameter type-id='f2c18b44' name='op' filepath='drivers/tty/tty_io.c' line='3394' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_standard_install' mangled-name='tty_standard_install' filepath='drivers/tty/tty_io.c' line='1286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_standard_install'>
+        <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='1286' column='1'/>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='1286' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='tty_std_termios' type-id='2f8662b5' mangled-name='tty_std_termios' visibility='default' filepath='drivers/tty/tty_io.c' line='123' column='1' elf-symbol-id='tty_std_termios'/>
+      <function-decl name='tty_termios_baud_rate' mangled-name='tty_termios_baud_rate' filepath='drivers/tty/tty_baudrate.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_termios_baud_rate'>
+        <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/tty_baudrate.c' line='58' column='1'/>
+        <return type-id='6a8e8a14'/>
+      </function-decl>
+      <function-decl name='tty_termios_copy_hw' mangled-name='tty_termios_copy_hw' filepath='drivers/tty/tty_ioctl.c' line='274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_termios_copy_hw'>
+        <parameter type-id='e55856e5' name='new' filepath='drivers/tty/tty_ioctl.c' line='274' column='1'/>
+        <parameter type-id='e55856e5' name='old' filepath='drivers/tty/tty_ioctl.c' line='274' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_termios_encode_baud_rate' mangled-name='tty_termios_encode_baud_rate' filepath='drivers/tty/tty_baudrate.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_termios_encode_baud_rate'>
+        <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/tty_baudrate.c' line='142' column='1'/>
+        <parameter type-id='6a8e8a14' name='ibaud' filepath='drivers/tty/tty_baudrate.c' line='143' column='1'/>
+        <parameter type-id='6a8e8a14' name='obaud' filepath='drivers/tty/tty_baudrate.c' line='143' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_termios_hw_change' mangled-name='tty_termios_hw_change' filepath='drivers/tty/tty_ioctl.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_termios_hw_change'>
+        <parameter type-id='d705010a' name='a' filepath='drivers/tty/tty_ioctl.c' line='294' column='1'/>
+        <parameter type-id='d705010a' name='b' filepath='drivers/tty/tty_ioctl.c' line='294' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_unregister_device' mangled-name='tty_unregister_device' filepath='drivers/tty/tty_io.c' line='3282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_unregister_device'>
+        <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3282' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/tty/tty_io.c' line='3282' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='tty_unregister_driver' mangled-name='tty_unregister_driver' filepath='drivers/tty/tty_io.c' line='3471' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_unregister_driver'>
+        <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3471' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_unregister_ldisc' mangled-name='tty_unregister_ldisc' filepath='drivers/tty/tty_ldisc.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_unregister_ldisc'>
+        <parameter type-id='95e97e5e' name='disc' filepath='drivers/tty/tty_ldisc.c' line='91' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='tty_vhangup' mangled-name='tty_vhangup' filepath='drivers/tty/tty_io.c' line='695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_vhangup'>
+        <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='695' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_altmode2port' mangled-name='typec_altmode2port' filepath='drivers/usb/typec/class.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode2port'>
+        <parameter type-id='02913b69' name='alt' filepath='drivers/usb/typec/class.c' line='377' column='1'/>
+        <return type-id='b977ca56'/>
+      </function-decl>
+      <function-decl name='typec_altmode_enter' mangled-name='typec_altmode_enter' filepath='drivers/usb/typec/bus.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_enter'>
+        <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='95' column='1'/>
+        <parameter type-id='f9409001' name='vdo' filepath='drivers/usb/typec/bus.c' line='95' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='typec_altmode_exit' mangled-name='typec_altmode_exit' filepath='drivers/usb/typec/bus.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_exit'>
+        <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='126' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='typec_altmode_get_partner' mangled-name='typec_altmode_get_partner' filepath='drivers/usb/typec/bus.c' line='207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_get_partner'>
+        <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='207' column='1'/>
+        <return type-id='9aa82888'/>
+      </function-decl>
+      <function-decl name='typec_altmode_notify' mangled-name='typec_altmode_notify' filepath='drivers/usb/typec/bus.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_notify'>
+        <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='55' column='1'/>
+        <parameter type-id='7359adad' name='conf' filepath='drivers/usb/typec/bus.c' line='56' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/typec/bus.c' line='56' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='typec_altmode_unregister_driver' mangled-name='typec_altmode_unregister_driver' filepath='drivers/usb/typec/bus.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_unregister_driver'>
+        <parameter type-id='e1932af2' name='drv' filepath='drivers/usb/typec/bus.c' line='265' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_altmode_vdm' mangled-name='typec_altmode_vdm' filepath='drivers/usb/typec/bus.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_vdm'>
+        <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='183' column='1'/>
+        <parameter type-id='51bb592e' name='header' filepath='drivers/usb/typec/bus.c' line='184' column='1'/>
+        <parameter type-id='aded214c' name='vdo' filepath='drivers/usb/typec/bus.c' line='184' column='1'/>
+        <parameter type-id='95e97e5e' name='count' filepath='drivers/usb/typec/bus.c' line='184' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='typec_get_drvdata' mangled-name='typec_get_drvdata' filepath='drivers/usb/typec/class.c' line='1951' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_get_drvdata'>
+        <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1951' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='typec_get_negotiated_svdm_version' mangled-name='typec_get_negotiated_svdm_version' filepath='drivers/usb/typec/class.c' line='1931' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_get_negotiated_svdm_version'>
+        <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1931' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='typec_mux_get_drvdata' mangled-name='typec_mux_get_drvdata' filepath='drivers/usb/typec/mux.c' line='373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_mux_get_drvdata'>
+        <parameter type-id='374b228b' name='mux' filepath='drivers/usb/typec/mux.c' line='373' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='typec_mux_register' mangled-name='typec_mux_register' filepath='drivers/usb/typec/mux.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_mux_register'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/typec/mux.c' line='317' column='1'/>
+        <parameter type-id='233fa2f2' name='desc' filepath='drivers/usb/typec/mux.c' line='317' column='1'/>
+        <return type-id='374b228b'/>
+      </function-decl>
+      <function-decl name='typec_mux_unregister' mangled-name='typec_mux_unregister' filepath='drivers/usb/typec/mux.c' line='360' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_mux_unregister'>
+        <parameter type-id='374b228b' name='mux' filepath='drivers/usb/typec/mux.c' line='360' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_register_partner' mangled-name='typec_register_partner' filepath='drivers/usb/typec/class.c' line='858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_register_partner'>
+        <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='858' column='1'/>
+        <parameter type-id='a5263fbd' name='desc' filepath='drivers/usb/typec/class.c' line='859' column='1'/>
+        <return type-id='33ca4bbb'/>
+      </function-decl>
+      <function-decl name='typec_register_port' mangled-name='typec_register_port' filepath='drivers/usb/typec/class.c' line='2051' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_register_port'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/typec/class.c' line='2051' column='1'/>
+        <parameter type-id='287e28ea' name='cap' filepath='drivers/usb/typec/class.c' line='2052' column='1'/>
+        <return type-id='b977ca56'/>
+      </function-decl>
+      <function-decl name='typec_set_data_role' mangled-name='typec_set_data_role' filepath='drivers/usb/typec/class.c' line='1691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_data_role'>
+        <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1691' column='1'/>
+        <parameter type-id='e453a0cb' name='role' filepath='drivers/usb/typec/class.c' line='1691' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_set_pwr_opmode' mangled-name='typec_set_pwr_opmode' filepath='drivers/usb/typec/class.c' line='1760' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_pwr_opmode'>
+        <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1760' column='1'/>
+        <parameter type-id='44ea1984' name='opmode' filepath='drivers/usb/typec/class.c' line='1761' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_set_pwr_role' mangled-name='typec_set_pwr_role' filepath='drivers/usb/typec/class.c' line='1720' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_pwr_role'>
+        <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1720' column='1'/>
+        <parameter type-id='ad61830a' name='role' filepath='drivers/usb/typec/class.c' line='1720' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_switch_get_drvdata' mangled-name='typec_switch_get_drvdata' filepath='drivers/usb/typec/mux.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_switch_get_drvdata'>
+        <parameter type-id='5d33005f' name='sw' filepath='drivers/usb/typec/mux.c' line='176' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='typec_switch_register' mangled-name='typec_switch_register' filepath='drivers/usb/typec/mux.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_switch_register'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/typec/mux.c' line='109' column='1'/>
+        <parameter type-id='e6db9214' name='desc' filepath='drivers/usb/typec/mux.c' line='110' column='1'/>
+        <return type-id='5d33005f'/>
+      </function-decl>
+      <function-decl name='typec_switch_unregister' mangled-name='typec_switch_unregister' filepath='drivers/usb/typec/mux.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_switch_unregister'>
+        <parameter type-id='5d33005f' name='sw' filepath='drivers/usb/typec/mux.c' line='163' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_unregister_partner' mangled-name='typec_unregister_partner' filepath='drivers/usb/typec/class.c' line='906' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_unregister_partner'>
+        <parameter type-id='33ca4bbb' name='partner' filepath='drivers/usb/typec/class.c' line='906' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='typec_unregister_port' mangled-name='typec_unregister_port' filepath='drivers/usb/typec/class.c' line='2153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_unregister_port'>
+        <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='2153' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='u_audio_start_capture' mangled-name='u_audio_start_capture' filepath='drivers/usb/gadget/function/u_audio.c' line='448' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='u_audio_start_capture'>
+        <parameter type-id='36cb26c7' name='audio_dev' filepath='drivers/usb/gadget/function/u_audio.c' line='448' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='u_audio_start_playback' mangled-name='u_audio_start_playback' filepath='drivers/usb/gadget/function/u_audio.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='u_audio_start_playback'>
+        <parameter type-id='36cb26c7' name='audio_dev' filepath='drivers/usb/gadget/function/u_audio.c' line='537' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='u_audio_stop_capture' mangled-name='u_audio_stop_capture' filepath='drivers/usb/gadget/function/u_audio.c' line='527' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='u_audio_stop_capture'>
+        <parameter type-id='36cb26c7' name='audio_dev' filepath='drivers/usb/gadget/function/u_audio.c' line='527' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='u_audio_stop_playback' mangled-name='u_audio_stop_playback' filepath='drivers/usb/gadget/function/u_audio.c' line='606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='u_audio_stop_playback'>
+        <parameter type-id='36cb26c7' name='audio_dev' filepath='drivers/usb/gadget/function/u_audio.c' line='606' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_add_one_port' mangled-name='uart_add_one_port' filepath='drivers/tty/serial/serial_core.c' line='2927' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_add_one_port'>
+        <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2927' column='1'/>
+        <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='2927' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uart_console_device' mangled-name='uart_console_device' filepath='drivers/tty/serial/serial_core.c' line='2686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_console_device'>
+        <parameter type-id='b9aa0100' name='co' filepath='drivers/tty/serial/serial_core.c' line='2686' column='1'/>
+        <parameter type-id='7292109c' name='index' filepath='drivers/tty/serial/serial_core.c' line='2686' column='1'/>
+        <return type-id='c2b4b27b'/>
+      </function-decl>
+      <function-decl name='uart_console_write' mangled-name='uart_console_write' filepath='drivers/tty/serial/serial_core.c' line='1991' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_console_write'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='1991' column='1'/>
+        <parameter type-id='80f4b756' name='s' filepath='drivers/tty/serial/serial_core.c' line='1991' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='drivers/tty/serial/serial_core.c' line='1992' column='1'/>
+        <parameter type-id='c6b7d75f' name='putchar' filepath='drivers/tty/serial/serial_core.c' line='1993' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_get_baud_rate' mangled-name='uart_get_baud_rate' filepath='drivers/tty/serial/serial_core.c' line='393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_get_baud_rate'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='393' column='1'/>
+        <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/serial/serial_core.c' line='393' column='1'/>
+        <parameter type-id='e55856e5' name='old' filepath='drivers/tty/serial/serial_core.c' line='394' column='1'/>
+        <parameter type-id='f0981eeb' name='min' filepath='drivers/tty/serial/serial_core.c' line='394' column='1'/>
+        <parameter type-id='f0981eeb' name='max' filepath='drivers/tty/serial/serial_core.c' line='394' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='uart_get_divisor' mangled-name='uart_get_divisor' filepath='drivers/tty/serial/serial_core.c' line='483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_get_divisor'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='483' column='1'/>
+        <parameter type-id='f0981eeb' name='baud' filepath='drivers/tty/serial/serial_core.c' line='483' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='uart_handle_cts_change' mangled-name='uart_handle_cts_change' filepath='drivers/tty/serial/serial_core.c' line='3168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_handle_cts_change'>
+        <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='3168' column='1'/>
+        <parameter type-id='f0981eeb' name='status' filepath='drivers/tty/serial/serial_core.c' line='3168' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_handle_dcd_change' mangled-name='uart_handle_dcd_change' filepath='drivers/tty/serial/serial_core.c' line='3133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_handle_dcd_change'>
+        <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='3133' column='1'/>
+        <parameter type-id='f0981eeb' name='status' filepath='drivers/tty/serial/serial_core.c' line='3133' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_insert_char' mangled-name='uart_insert_char' filepath='drivers/tty/serial/serial_core.c' line='3204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_insert_char'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='3204' column='1'/>
+        <parameter type-id='f0981eeb' name='status' filepath='drivers/tty/serial/serial_core.c' line='3204' column='1'/>
+        <parameter type-id='f0981eeb' name='overrun' filepath='drivers/tty/serial/serial_core.c' line='3205' column='1'/>
+        <parameter type-id='f0981eeb' name='ch' filepath='drivers/tty/serial/serial_core.c' line='3205' column='1'/>
+        <parameter type-id='f0981eeb' name='flag' filepath='drivers/tty/serial/serial_core.c' line='3205' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_parse_earlycon' mangled-name='uart_parse_earlycon' filepath='drivers/tty/serial/serial_core.c' line='2047' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_parse_earlycon'>
+        <parameter type-id='26a90f95' name='p' filepath='drivers/tty/serial/serial_core.c' line='2047' column='1'/>
+        <parameter type-id='cf536864' name='iotype' filepath='drivers/tty/serial/serial_core.c' line='2047' column='1'/>
+        <parameter type-id='9e6a6c02' name='addr' filepath='drivers/tty/serial/serial_core.c' line='2047' column='1'/>
+        <parameter type-id='9b23c9ad' name='options' filepath='drivers/tty/serial/serial_core.c' line='2048' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uart_parse_options' mangled-name='uart_parse_options' filepath='drivers/tty/serial/serial_core.c' line='2102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_parse_options'>
+        <parameter type-id='80f4b756' name='options' filepath='drivers/tty/serial/serial_core.c' line='2102' column='1'/>
+        <parameter type-id='7292109c' name='baud' filepath='drivers/tty/serial/serial_core.c' line='2102' column='1'/>
+        <parameter type-id='7292109c' name='parity' filepath='drivers/tty/serial/serial_core.c' line='2102' column='1'/>
+        <parameter type-id='7292109c' name='bits' filepath='drivers/tty/serial/serial_core.c' line='2103' column='1'/>
+        <parameter type-id='7292109c' name='flow' filepath='drivers/tty/serial/serial_core.c' line='2103' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_register_driver' mangled-name='uart_register_driver' filepath='drivers/tty/serial/serial_core.c' line='2605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_register_driver'>
+        <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2605' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uart_remove_one_port' mangled-name='uart_remove_one_port' filepath='drivers/tty/serial/serial_core.c' line='3029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_remove_one_port'>
+        <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='3029' column='1'/>
+        <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='3029' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uart_resume_port' mangled-name='uart_resume_port' filepath='drivers/tty/serial/serial_core.c' line='2287' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_resume_port'>
+        <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2287' column='1'/>
+        <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='2287' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uart_set_options' mangled-name='uart_set_options' filepath='drivers/tty/serial/serial_core.c' line='2129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_set_options'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='2129' column='1'/>
+        <parameter type-id='b9aa0100' name='co' filepath='drivers/tty/serial/serial_core.c' line='2129' column='1'/>
+        <parameter type-id='95e97e5e' name='baud' filepath='drivers/tty/serial/serial_core.c' line='2130' column='1'/>
+        <parameter type-id='95e97e5e' name='parity' filepath='drivers/tty/serial/serial_core.c' line='2130' column='1'/>
+        <parameter type-id='95e97e5e' name='bits' filepath='drivers/tty/serial/serial_core.c' line='2130' column='1'/>
+        <parameter type-id='95e97e5e' name='flow' filepath='drivers/tty/serial/serial_core.c' line='2130' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uart_suspend_port' mangled-name='uart_suspend_port' filepath='drivers/tty/serial/serial_core.c' line='2224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_suspend_port'>
+        <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2224' column='1'/>
+        <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='2224' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uart_try_toggle_sysrq' mangled-name='uart_try_toggle_sysrq' filepath='drivers/tty/serial/serial_core.c' line='3247' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_try_toggle_sysrq'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='3247' column='1'/>
+        <parameter type-id='f0981eeb' name='ch' filepath='drivers/tty/serial/serial_core.c' line='3247' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='uart_unregister_driver' mangled-name='uart_unregister_driver' filepath='drivers/tty/serial/serial_core.c' line='2672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_unregister_driver'>
+        <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2672' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_update_timeout' mangled-name='uart_update_timeout' filepath='drivers/tty/serial/serial_core.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_update_timeout'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='333' column='1'/>
+        <parameter type-id='f0981eeb' name='cflag' filepath='drivers/tty/serial/serial_core.c' line='333' column='1'/>
+        <parameter type-id='f0981eeb' name='baud' filepath='drivers/tty/serial/serial_core.c' line='334' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uart_write_wakeup' mangled-name='uart_write_wakeup' filepath='drivers/tty/serial/serial_core.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_write_wakeup'>
+        <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='103' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uclamp_eff_value' mangled-name='uclamp_eff_value' filepath='kernel/sched/core.c' line='1161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uclamp_eff_value'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1161' column='1'/>
+        <parameter type-id='db819146' name='clamp_id' filepath='kernel/sched/core.c' line='1161' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='udp4_hwcsum' mangled-name='udp4_hwcsum' filepath='net/ipv4/udp.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='udp4_hwcsum'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='net/ipv4/udp.c' line='823' column='1'/>
+        <parameter type-id='78a133c2' name='src' filepath='net/ipv4/udp.c' line='823' column='1'/>
+        <parameter type-id='78a133c2' name='dst' filepath='net/ipv4/udp.c' line='823' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ufshcd_bkops_ctrl' mangled-name='ufshcd_bkops_ctrl' filepath='drivers/scsi/ufs/ufshcd.c' line='5736' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_bkops_ctrl'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='5736' column='1'/>
+        <parameter type-id='462d2624' name='status' filepath='drivers/scsi/ufs/ufshcd.c' line='5737' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_dme_configure_adapt' mangled-name='ufshcd_dme_configure_adapt' filepath='drivers/scsi/ufs/ufshcd.c' line='3901' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dme_configure_adapt'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3901' column='1'/>
+        <parameter type-id='95e97e5e' name='agreed_gear' filepath='drivers/scsi/ufs/ufshcd.c' line='3902' column='1'/>
+        <parameter type-id='95e97e5e' name='adapt_val' filepath='drivers/scsi/ufs/ufshcd.c' line='3903' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_dme_get_attr' mangled-name='ufshcd_dme_get_attr' filepath='drivers/scsi/ufs/ufshcd.c' line='4025' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dme_get_attr'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4025' column='1'/>
+        <parameter type-id='19c2251e' name='attr_sel' filepath='drivers/scsi/ufs/ufshcd.c' line='4025' column='1'/>
+        <parameter type-id='f9409001' name='mib_val' filepath='drivers/scsi/ufs/ufshcd.c' line='4026' column='1'/>
+        <parameter type-id='f9b06939' name='peer' filepath='drivers/scsi/ufs/ufshcd.c' line='4026' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_dme_set_attr' mangled-name='ufshcd_dme_set_attr' filepath='drivers/scsi/ufs/ufshcd.c' line='3981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dme_set_attr'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3981' column='1'/>
+        <parameter type-id='19c2251e' name='attr_sel' filepath='drivers/scsi/ufs/ufshcd.c' line='3981' column='1'/>
+        <parameter type-id='f9b06939' name='attr_set' filepath='drivers/scsi/ufs/ufshcd.c' line='3982' column='1'/>
+        <parameter type-id='19c2251e' name='mib_val' filepath='drivers/scsi/ufs/ufshcd.c' line='3982' column='1'/>
+        <parameter type-id='f9b06939' name='peer' filepath='drivers/scsi/ufs/ufshcd.c' line='3982' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_dump_regs' mangled-name='ufshcd_dump_regs' filepath='drivers/scsi/ufs/ufshcd.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dump_regs'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='106' column='1'/>
+        <parameter type-id='b59d7dce' name='offset' filepath='drivers/scsi/ufs/ufshcd.c' line='106' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='drivers/scsi/ufs/ufshcd.c' line='106' column='1'/>
+        <parameter type-id='80f4b756' name='prefix' filepath='drivers/scsi/ufs/ufshcd.c' line='107' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_get_local_unipro_ver' mangled-name='ufshcd_get_local_unipro_ver' filepath='drivers/scsi/ufs/ufshcd.c' line='958' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_get_local_unipro_ver'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='958' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='ufshcd_get_pwr_dev_param' mangled-name='ufshcd_get_pwr_dev_param' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_get_pwr_dev_param'>
+        <parameter type-id='9c02cf50' name='pltfrm_param' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='221' column='1'/>
+        <parameter type-id='35f4156d' name='dev_max' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='222' column='1'/>
+        <parameter type-id='35f4156d' name='agreed_pwr' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='223' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_hold' mangled-name='ufshcd_hold' filepath='drivers/scsi/ufs/ufshcd.c' line='1747' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_hold'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='1747' column='1'/>
+        <parameter type-id='b50a4934' name='async' filepath='drivers/scsi/ufs/ufshcd.c' line='1747' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_init_pwr_dev_param' mangled-name='ufshcd_init_pwr_dev_param' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_init_pwr_dev_param'>
+        <parameter type-id='9c02cf50' name='dev_param' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='309' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ufshcd_pltfrm_init' mangled-name='ufshcd_pltfrm_init' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_init'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='333' column='1'/>
+        <parameter type-id='52ab0d0f' name='vops' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='334' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_pltfrm_shutdown' mangled-name='ufshcd_pltfrm_shutdown' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_shutdown'>
+        <parameter type-id='db362995' name='pdev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='191' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ufshcd_query_attr_retry' mangled-name='ufshcd_query_attr_retry' filepath='drivers/scsi/ufs/ufshcd.c' line='3314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_query_attr_retry'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3314' column='1'/>
+        <parameter type-id='5f757f13' name='opcode' filepath='drivers/scsi/ufs/ufshcd.c' line='3315' column='1'/>
+        <parameter type-id='75eb1735' name='idn' filepath='drivers/scsi/ufs/ufshcd.c' line='3315' column='1'/>
+        <parameter type-id='f9b06939' name='index' filepath='drivers/scsi/ufs/ufshcd.c' line='3315' column='1'/>
+        <parameter type-id='f9b06939' name='selector' filepath='drivers/scsi/ufs/ufshcd.c' line='3315' column='1'/>
+        <parameter type-id='f9409001' name='attr_val' filepath='drivers/scsi/ufs/ufshcd.c' line='3316' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_query_flag_retry' mangled-name='ufshcd_query_flag_retry' filepath='drivers/scsi/ufs/ufshcd.c' line='3144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_query_flag_retry'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3144' column='1'/>
+        <parameter type-id='5f757f13' name='opcode' filepath='drivers/scsi/ufs/ufshcd.c' line='3145' column='1'/>
+        <parameter type-id='92ace17c' name='idn' filepath='drivers/scsi/ufs/ufshcd.c' line='3145' column='1'/>
+        <parameter type-id='f9b06939' name='index' filepath='drivers/scsi/ufs/ufshcd.c' line='3145' column='1'/>
+        <parameter type-id='d8e6b335' name='flag_res' filepath='drivers/scsi/ufs/ufshcd.c' line='3145' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_read_desc_param' mangled-name='ufshcd_read_desc_param' filepath='drivers/scsi/ufs/ufshcd.c' line='3477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_read_desc_param'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3477' column='1'/>
+        <parameter type-id='32c9d5cb' name='desc_id' filepath='drivers/scsi/ufs/ufshcd.c' line='3478' column='1'/>
+        <parameter type-id='95e97e5e' name='desc_index' filepath='drivers/scsi/ufs/ufshcd.c' line='3479' column='1'/>
+        <parameter type-id='f9b06939' name='param_offset' filepath='drivers/scsi/ufs/ufshcd.c' line='3480' column='1'/>
+        <parameter type-id='8bff8096' name='param_read_buf' filepath='drivers/scsi/ufs/ufshcd.c' line='3481' column='1'/>
+        <parameter type-id='f9b06939' name='param_size' filepath='drivers/scsi/ufs/ufshcd.c' line='3482' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_release' mangled-name='ufshcd_release' filepath='drivers/scsi/ufs/ufshcd.c' line='1926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_release'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='1926' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ufshcd_remove' mangled-name='ufshcd_remove' filepath='drivers/scsi/ufs/ufshcd.c' line='9727' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_remove'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='9727' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ufshcd_resume_complete' mangled-name='ufshcd_resume_complete' filepath='drivers/scsi/ufs/ufshcd.c' line='10045' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_resume_complete'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd.c' line='10045' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='ufshcd_runtime_resume' mangled-name='ufshcd_runtime_resume' filepath='drivers/scsi/ufs/ufshcd.c' line='9686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_runtime_resume'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd.c' line='9686' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_runtime_suspend' mangled-name='ufshcd_runtime_suspend' filepath='drivers/scsi/ufs/ufshcd.c' line='9661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_runtime_suspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd.c' line='9661' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_shutdown' mangled-name='ufshcd_shutdown' filepath='drivers/scsi/ufs/ufshcd.c' line='9711' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_shutdown'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='9711' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_suspend_prepare' mangled-name='ufshcd_suspend_prepare' filepath='drivers/scsi/ufs/ufshcd.c' line='10108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_suspend_prepare'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd.c' line='10108' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_system_resume' mangled-name='ufshcd_system_resume' filepath='drivers/scsi/ufs/ufshcd.c' line='9631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_system_resume'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd.c' line='9631' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_system_suspend' mangled-name='ufshcd_system_suspend' filepath='drivers/scsi/ufs/ufshcd.c' line='9604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_system_suspend'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd.c' line='9604' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_uic_hibern8_enter' mangled-name='ufshcd_uic_hibern8_enter' filepath='drivers/scsi/ufs/ufshcd.c' line='4251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_uic_hibern8_enter'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4251' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ufshcd_uic_hibern8_exit' mangled-name='ufshcd_uic_hibern8_exit' filepath='drivers/scsi/ufs/ufshcd.c' line='4275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_uic_hibern8_exit'>
+        <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4275' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='uio_unregister_device' mangled-name='uio_unregister_device' filepath='drivers/uio/uio.c' line='1042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uio_unregister_device'>
+        <parameter type-id='fb1092f1' name='info' filepath='drivers/uio/uio.c' line='1042' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unlock_page' mangled-name='unlock_page' filepath='mm/filemap.c' line='1468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unlock_page'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/filemap.c' line='1468' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unmap_mapping_range' mangled-name='unmap_mapping_range' filepath='mm/memory.c' line='3567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unmap_mapping_range'>
+        <parameter type-id='f57039f0' name='mapping' filepath='mm/memory.c' line='3567' column='1'/>
+        <parameter type-id='bf352dfe' name='holebegin' filepath='mm/memory.c' line='3568' column='1'/>
+        <parameter type-id='bf352dfe' name='holelen' filepath='mm/memory.c' line='3568' column='1'/>
+        <parameter type-id='95e97e5e' name='even_cows' filepath='mm/memory.c' line='3568' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unpin_user_page' mangled-name='unpin_user_page' filepath='mm/gup.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unpin_user_page'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/gup.c' line='250' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unpin_user_pages' mangled-name='unpin_user_pages' filepath='mm/gup.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unpin_user_pages'>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='332' column='1'/>
+        <parameter type-id='7359adad' name='npages' filepath='mm/gup.c' line='332' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unpin_user_pages_dirty_lock' mangled-name='unpin_user_pages_dirty_lock' filepath='mm/gup.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unpin_user_pages_dirty_lock'>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='278' column='1'/>
+        <parameter type-id='7359adad' name='npages' filepath='mm/gup.c' line='278' column='1'/>
+        <parameter type-id='b50a4934' name='make_dirty' filepath='mm/gup.c' line='279' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_blkdev' mangled-name='unregister_blkdev' filepath='block/genhd.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_blkdev'>
+        <parameter type-id='f0981eeb' name='major' filepath='block/genhd.c' line='504' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='block/genhd.c' line='504' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_candev' mangled-name='unregister_candev' filepath='drivers/net/can/dev/dev.c' line='1303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_candev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='1303' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_chrdev_region' mangled-name='unregister_chrdev_region' filepath='fs/char_dev.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_chrdev_region'>
+        <parameter type-id='8504f260' name='from' filepath='fs/char_dev.c' line='311' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='311' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_filesystem' mangled-name='unregister_filesystem' filepath='fs/filesystems.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_filesystem'>
+        <parameter type-id='21e53d44' name='fs' filepath='fs/filesystems.c' line='108' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_inet6addr_notifier' mangled-name='unregister_inet6addr_notifier' filepath='net/ipv6/addrconf_core.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_inet6addr_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/ipv6/addrconf_core.c' line='101' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_inetaddr_notifier' mangled-name='unregister_inetaddr_notifier' filepath='net/ipv4/devinet.c' line='1457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_inetaddr_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/ipv4/devinet.c' line='1457' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_kretprobe' mangled-name='unregister_kretprobe' filepath='kernel/kprobes.c' line='2216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_kretprobe'>
+        <parameter type-id='d15edd25' name='rp' filepath='kernel/kprobes.c' line='2216' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_netdev' mangled-name='unregister_netdev' filepath='net/core/dev.c' line='10794' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10794' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_netdevice_many' mangled-name='unregister_netdevice_many' filepath='net/core/dev.c' line='10684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdevice_many'>
+        <parameter type-id='e84b031a' name='head' filepath='net/core/dev.c' line='10684' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_netdevice_notifier' mangled-name='unregister_netdevice_notifier' filepath='net/core/dev.c' line='1876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdevice_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/core/dev.c' line='1876' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_netdevice_queue' mangled-name='unregister_netdevice_queue' filepath='net/core/dev.c' line='10662' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdevice_queue'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10662' column='1'/>
+        <parameter type-id='e84b031a' name='head' filepath='net/core/dev.c' line='10662' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_netevent_notifier' mangled-name='unregister_netevent_notifier' filepath='net/core/netevent.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netevent_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='net/core/netevent.c' line='44' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_oom_notifier' mangled-name='unregister_oom_notifier' filepath='mm/oom_kill.c' line='1081' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_oom_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='mm/oom_kill.c' line='1081' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_pernet_device' mangled-name='unregister_pernet_device' filepath='net/core/net_namespace.c' line='1337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_pernet_device'>
+        <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1337' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_pernet_subsys' mangled-name='unregister_pernet_subsys' filepath='net/core/net_namespace.c' line='1289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_pernet_subsys'>
+        <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1289' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_pm_notifier' mangled-name='unregister_pm_notifier' filepath='kernel/power/main.c' line='77' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_pm_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/power/main.c' line='77' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_reboot_notifier' mangled-name='unregister_reboot_notifier' filepath='kernel/reboot.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_reboot_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='107' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_restart_handler' mangled-name='unregister_restart_handler' filepath='kernel/reboot.c' line='199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_restart_handler'>
+        <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='199' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='unregister_rpmsg_driver' mangled-name='unregister_rpmsg_driver' filepath='drivers/rpmsg/rpmsg_core.c' line='659' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_rpmsg_driver'>
+        <parameter type-id='7331a99f' name='rpdrv' filepath='drivers/rpmsg/rpmsg_core.c' line='659' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_shrinker' mangled-name='unregister_shrinker' filepath='mm/vmscan.c' line='437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_shrinker'>
+        <parameter type-id='4be14597' name='shrinker' filepath='mm/vmscan.c' line='437' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_syscore_ops' mangled-name='unregister_syscore_ops' filepath='drivers/base/syscore.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_syscore_ops'>
+        <parameter type-id='cbd24a98' name='ops' filepath='drivers/base/syscore.c' line='34' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_sysctl_table' mangled-name='unregister_sysctl_table' filepath='fs/proc/proc_sysctl.c' line='1695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_sysctl_table'>
+        <parameter type-id='11b101bb' name='header' filepath='fs/proc/proc_sysctl.c' line='1695' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_virtio_device' mangled-name='unregister_virtio_device' filepath='drivers/virtio/virtio.c' line='393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_virtio_device'>
+        <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='393' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_virtio_driver' mangled-name='unregister_virtio_driver' filepath='drivers/virtio/virtio.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_virtio_driver'>
+        <parameter type-id='f350dc99' name='driver' filepath='drivers/virtio/virtio.c' line='329' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='unregister_vmap_purge_notifier' mangled-name='unregister_vmap_purge_notifier' filepath='mm/vmalloc.c' line='1276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_vmap_purge_notifier'>
+        <parameter type-id='d504f73d' name='nb' filepath='mm/vmalloc.c' line='1276' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='up' mangled-name='up' filepath='kernel/locking/semaphore.c' line='178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='up'>
+        <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='178' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='up_read' mangled-name='up_read' filepath='kernel/locking/rwsem.c' line='1607' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='up_read'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1607' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='up_write' mangled-name='up_write' filepath='kernel/locking/rwsem.c' line='1617' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='up_write'>
+        <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1617' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='update_devfreq' mangled-name='update_devfreq' filepath='drivers/devfreq/devfreq.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='update_devfreq'>
+        <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='394' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='update_rq_clock' mangled-name='update_rq_clock' filepath='kernel/sched/core.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='update_rq_clock'>
+        <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='321' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_add_config' mangled-name='usb_add_config' filepath='drivers/usb/gadget/composite.c' line='1013' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_config'>
+        <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='1013' column='1'/>
+        <parameter type-id='ee27b7c6' name='config' filepath='drivers/usb/gadget/composite.c' line='1014' column='1'/>
+        <parameter type-id='82b599aa' name='bind' filepath='drivers/usb/gadget/composite.c' line='1015' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_add_function' mangled-name='usb_add_function' filepath='drivers/usb/gadget/composite.c' line='314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_function'>
+        <parameter type-id='ee27b7c6' name='config' filepath='drivers/usb/gadget/composite.c' line='314' column='1'/>
+        <parameter type-id='e5411c2c' name='function' filepath='drivers/usb/gadget/composite.c' line='315' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_add_gadget_udc' mangled-name='usb_add_gadget_udc' filepath='drivers/usb/gadget/udc/core.c' line='1475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_gadget_udc'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/gadget/udc/core.c' line='1475' column='1'/>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1475' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_add_hcd' mangled-name='usb_add_hcd' filepath='drivers/usb/core/hcd.c' line='2663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_hcd'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2663' column='1'/>
+        <parameter type-id='f0981eeb' name='irqnum' filepath='drivers/usb/core/hcd.c' line='2664' column='1'/>
+        <parameter type-id='7359adad' name='irqflags' filepath='drivers/usb/core/hcd.c' line='2664' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_add_phy' mangled-name='usb_add_phy' filepath='drivers/usb/phy/phy.c' line='626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_phy'>
+        <parameter type-id='ca9354d1' name='x' filepath='drivers/usb/phy/phy.c' line='626' column='1'/>
+        <parameter type-id='d95f4827' name='type' filepath='drivers/usb/phy/phy.c' line='626' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_add_phy_dev' mangled-name='usb_add_phy_dev' filepath='drivers/usb/phy/phy.c' line='672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_phy_dev'>
+        <parameter type-id='ca9354d1' name='x' filepath='drivers/usb/phy/phy.c' line='672' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_alloc_coherent' mangled-name='usb_alloc_coherent' filepath='drivers/usb/core/usb.c' line='1000' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_alloc_coherent'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='1000' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/usb/core/usb.c' line='1000' column='1'/>
+        <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/usb.c' line='1000' column='1'/>
+        <parameter type-id='e835b5d8' name='dma' filepath='drivers/usb/core/usb.c' line='1001' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='usb_alloc_dev' mangled-name='usb_alloc_dev' filepath='drivers/usb/core/usb.c' line='650' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_alloc_dev'>
+        <parameter type-id='25e60cb2' name='parent' filepath='drivers/usb/core/usb.c' line='650' column='1'/>
+        <parameter type-id='3ab7d422' name='bus' filepath='drivers/usb/core/usb.c' line='651' column='1'/>
+        <parameter type-id='f0981eeb' name='port1' filepath='drivers/usb/core/usb.c' line='651' column='1'/>
+        <return type-id='25e60cb2'/>
+      </function-decl>
+      <function-decl name='usb_alloc_urb' mangled-name='usb_alloc_urb' filepath='drivers/usb/core/urb.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_alloc_urb'>
+        <parameter type-id='95e97e5e' name='iso_packets' filepath='drivers/usb/core/urb.c' line='70' column='1'/>
+        <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/urb.c' line='70' column='1'/>
+        <return type-id='ab85b8f2'/>
+      </function-decl>
+      <function-decl name='usb_amd_dev_put' mangled-name='usb_amd_dev_put' filepath='drivers/usb/host/pci-quirks.c' line='513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_dev_put'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_amd_prefetch_quirk' mangled-name='usb_amd_prefetch_quirk' filepath='drivers/usb/host/pci-quirks.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_prefetch_quirk'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='usb_amd_quirk_pll_check' mangled-name='usb_amd_quirk_pll_check' filepath='drivers/usb/host/pci-quirks.c' line='323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_quirk_pll_check'>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='usb_amd_quirk_pll_disable' mangled-name='usb_amd_quirk_pll_disable' filepath='drivers/usb/host/pci-quirks.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_quirk_pll_disable'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_amd_quirk_pll_enable' mangled-name='usb_amd_quirk_pll_enable' filepath='drivers/usb/host/pci-quirks.c' line='507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_quirk_pll_enable'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_anchor_empty' mangled-name='usb_anchor_empty' filepath='drivers/usb/core/urb.c' line='1037' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_anchor_empty'>
+        <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='1037' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_anchor_urb' mangled-name='usb_anchor_urb' filepath='drivers/usb/core/urb.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_anchor_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='126' column='1'/>
+        <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='126' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_assign_descriptors' mangled-name='usb_assign_descriptors' filepath='drivers/usb/gadget/config.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_assign_descriptors'>
+        <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/config.c' line='159' column='1'/>
+        <parameter type-id='f363a725' name='fs' filepath='drivers/usb/gadget/config.c' line='160' column='1'/>
+        <parameter type-id='f363a725' name='hs' filepath='drivers/usb/gadget/config.c' line='161' column='1'/>
+        <parameter type-id='f363a725' name='ss' filepath='drivers/usb/gadget/config.c' line='162' column='1'/>
+        <parameter type-id='f363a725' name='ssp' filepath='drivers/usb/gadget/config.c' line='163' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_autopm_get_interface' mangled-name='usb_autopm_get_interface' filepath='drivers/usb/core/driver.c' line='1825' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_autopm_get_interface'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/driver.c' line='1825' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_autopm_get_interface_no_resume' mangled-name='usb_autopm_get_interface_no_resume' filepath='drivers/usb/core/driver.c' line='1883' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_autopm_get_interface_no_resume'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/driver.c' line='1883' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_autopm_put_interface' mangled-name='usb_autopm_put_interface' filepath='drivers/usb/core/driver.c' line='1747' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_autopm_put_interface'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/driver.c' line='1747' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_bulk_msg' mangled-name='usb_bulk_msg' filepath='drivers/usb/core/message.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_bulk_msg'>
+        <parameter type-id='25e60cb2' name='usb_dev' filepath='drivers/usb/core/message.c' line='367' column='1'/>
+        <parameter type-id='f0981eeb' name='pipe' filepath='drivers/usb/core/message.c' line='367' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+        <parameter type-id='7292109c' name='actual_length' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+        <parameter type-id='95e97e5e' name='timeout' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_calc_bus_time' mangled-name='usb_calc_bus_time' filepath='drivers/usb/core/hcd.c' line='1097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_calc_bus_time'>
+        <parameter type-id='95e97e5e' name='speed' filepath='drivers/usb/core/hcd.c' line='1097' column='1'/>
+        <parameter type-id='95e97e5e' name='is_input' filepath='drivers/usb/core/hcd.c' line='1097' column='1'/>
+        <parameter type-id='95e97e5e' name='isoc' filepath='drivers/usb/core/hcd.c' line='1097' column='1'/>
+        <parameter type-id='95e97e5e' name='bytecount' filepath='drivers/usb/core/hcd.c' line='1097' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='usb_clear_halt' mangled-name='usb_clear_halt' filepath='drivers/usb/core/message.c' line='1200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_clear_halt'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/message.c' line='1200' column='1'/>
+        <parameter type-id='95e97e5e' name='pipe' filepath='drivers/usb/core/message.c' line='1200' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_composite_overwrite_options' mangled-name='usb_composite_overwrite_options' filepath='drivers/usb/gadget/composite.c' line='2567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_composite_overwrite_options'>
+        <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='2567' column='1'/>
+        <parameter type-id='43b1dba7' name='covr' filepath='drivers/usb/gadget/composite.c' line='2568' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_composite_probe' mangled-name='usb_composite_probe' filepath='drivers/usb/gadget/composite.c' line='2489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_composite_probe'>
+        <parameter type-id='c64e62ba' name='driver' filepath='drivers/usb/gadget/composite.c' line='2489' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_composite_setup_continue' mangled-name='usb_composite_setup_continue' filepath='drivers/usb/gadget/composite.c' line='2533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_composite_setup_continue'>
+        <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='2533' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_composite_unregister' mangled-name='usb_composite_unregister' filepath='drivers/usb/gadget/composite.c' line='2517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_composite_unregister'>
+        <parameter type-id='c64e62ba' name='driver' filepath='drivers/usb/gadget/composite.c' line='2517' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_control_msg' mangled-name='usb_control_msg' filepath='drivers/usb/core/message.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_control_msg'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/message.c' line='136' column='1'/>
+        <parameter type-id='f0981eeb' name='pipe' filepath='drivers/usb/core/message.c' line='136' column='1'/>
+        <parameter type-id='8f048e17' name='request' filepath='drivers/usb/core/message.c' line='136' column='1'/>
+        <parameter type-id='8f048e17' name='requesttype' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+        <parameter type-id='d315442e' name='value' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+        <parameter type-id='d315442e' name='index' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+        <parameter type-id='d315442e' name='size' filepath='drivers/usb/core/message.c' line='138' column='1'/>
+        <parameter type-id='95e97e5e' name='timeout' filepath='drivers/usb/core/message.c' line='138' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_copy_descriptors' mangled-name='usb_copy_descriptors' filepath='drivers/usb/gadget/config.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_copy_descriptors'>
+        <parameter type-id='f363a725' name='src' filepath='drivers/usb/gadget/config.c' line='122' column='1'/>
+        <return type-id='f363a725'/>
+      </function-decl>
+      <function-decl name='usb_create_hcd' mangled-name='usb_create_hcd' filepath='drivers/usb/core/hcd.c' line='2540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_create_hcd'>
+        <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd.c' line='2540' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/core/hcd.c' line='2541' column='1'/>
+        <parameter type-id='80f4b756' name='bus_name' filepath='drivers/usb/core/hcd.c' line='2541' column='1'/>
+        <return type-id='fc4f83c1'/>
+      </function-decl>
+      <function-decl name='usb_create_shared_hcd' mangled-name='usb_create_shared_hcd' filepath='drivers/usb/core/hcd.c' line='2518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_create_shared_hcd'>
+        <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd.c' line='2518' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/core/hcd.c' line='2519' column='1'/>
+        <parameter type-id='80f4b756' name='bus_name' filepath='drivers/usb/core/hcd.c' line='2519' column='1'/>
+        <parameter type-id='fc4f83c1' name='primary_hcd' filepath='drivers/usb/core/hcd.c' line='2520' column='1'/>
+        <return type-id='fc4f83c1'/>
+      </function-decl>
+      <var-decl name='usb_debug_root' type-id='27675065' mangled-name='usb_debug_root' visibility='default' filepath='drivers/usb/common/common.c' line='396' column='1' elf-symbol-id='usb_debug_root'/>
+      <function-decl name='usb_del_gadget_udc' mangled-name='usb_del_gadget_udc' filepath='drivers/usb/gadget/udc/core.c' line='1546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_del_gadget_udc'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1546' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_deregister' mangled-name='usb_deregister' filepath='drivers/usb/core/driver.c' line='1100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_deregister'>
+        <parameter type-id='46ae908a' name='driver' filepath='drivers/usb/core/driver.c' line='1100' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_deregister_dev' mangled-name='usb_deregister_dev' filepath='drivers/usb/core/file.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_deregister_dev'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/file.c' line='230' column='1'/>
+        <parameter type-id='63cfef1d' name='class_driver' filepath='drivers/usb/core/file.c' line='231' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_disable_autosuspend' mangled-name='usb_disable_autosuspend' filepath='drivers/usb/core/driver.c' line='1664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_disable_autosuspend'>
+        <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/driver.c' line='1664' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_disabled' mangled-name='usb_disabled' filepath='drivers/usb/core/usb.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_disabled'>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_driver_claim_interface' mangled-name='usb_driver_claim_interface' filepath='drivers/usb/core/driver.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_driver_claim_interface'>
+        <parameter type-id='46ae908a' name='driver' filepath='drivers/usb/core/driver.c' line='540' column='1'/>
+        <parameter type-id='8bf48c31' name='iface' filepath='drivers/usb/core/driver.c' line='541' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/usb/core/driver.c' line='541' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_driver_release_interface' mangled-name='usb_driver_release_interface' filepath='drivers/usb/core/driver.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_driver_release_interface'>
+        <parameter type-id='46ae908a' name='driver' filepath='drivers/usb/core/driver.c' line='614' column='1'/>
+        <parameter type-id='8bf48c31' name='iface' filepath='drivers/usb/core/driver.c' line='615' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_enable_autosuspend' mangled-name='usb_enable_autosuspend' filepath='drivers/usb/core/driver.c' line='1649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_enable_autosuspend'>
+        <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/driver.c' line='1649' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_ep_alloc_request' mangled-name='usb_ep_alloc_request' filepath='drivers/usb/gadget/udc/core.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_alloc_request'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='182' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_flags' filepath='drivers/usb/gadget/udc/core.c' line='183' column='1'/>
+        <return type-id='1a494567'/>
+      </function-decl>
+      <function-decl name='usb_ep_autoconfig' mangled-name='usb_ep_autoconfig' filepath='drivers/usb/gadget/epautoconf.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_autoconfig'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/epautoconf.c' line='150' column='1'/>
+        <parameter type-id='a07d0491' name='desc' filepath='drivers/usb/gadget/epautoconf.c' line='151' column='1'/>
+        <return type-id='63a08bf7'/>
+      </function-decl>
+      <function-decl name='usb_ep_autoconfig_reset' mangled-name='usb_ep_autoconfig_reset' filepath='drivers/usb/gadget/epautoconf.c' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_autoconfig_reset'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/epautoconf.c' line='203' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_ep_autoconfig_ss' mangled-name='usb_ep_autoconfig_ss' filepath='drivers/usb/gadget/epautoconf.c' line='63' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_autoconfig_ss'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/epautoconf.c' line='64' column='1'/>
+        <parameter type-id='a07d0491' name='desc' filepath='drivers/usb/gadget/epautoconf.c' line='65' column='1'/>
+        <parameter type-id='dd810384' name='ep_comp' filepath='drivers/usb/gadget/epautoconf.c' line='66' column='1'/>
+        <return type-id='63a08bf7'/>
+      </function-decl>
+      <function-decl name='usb_ep_clear_halt' mangled-name='usb_ep_clear_halt' filepath='drivers/usb/gadget/udc/core.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_clear_halt'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='376' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_ep_dequeue' mangled-name='usb_ep_dequeue' filepath='drivers/usb/gadget/udc/core.c' line='316' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_dequeue'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='316' column='1'/>
+        <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='316' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_ep_disable' mangled-name='usb_ep_disable' filepath='drivers/usb/gadget/udc/core.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_disable'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='148' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_ep_enable' mangled-name='usb_ep_enable' filepath='drivers/usb/gadget/udc/core.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_enable'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='103' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_ep_fifo_flush' mangled-name='usb_ep_fifo_flush' filepath='drivers/usb/gadget/udc/core.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_fifo_flush'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='457' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_ep_fifo_status' mangled-name='usb_ep_fifo_status' filepath='drivers/usb/gadget/udc/core.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_fifo_status'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='431' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_ep_free_request' mangled-name='usb_ep_free_request' filepath='drivers/usb/gadget/udc/core.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_free_request'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='204' column='1'/>
+        <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='205' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_ep_queue' mangled-name='usb_ep_queue' filepath='drivers/usb/gadget/udc/core.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_queue'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='280' column='1'/>
+        <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='281' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp_flags' filepath='drivers/usb/gadget/udc/core.c' line='281' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_ep_set_halt' mangled-name='usb_ep_set_halt' filepath='drivers/usb/gadget/udc/core.c' line='350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_set_halt'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='350' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_ep_set_maxpacket_limit' mangled-name='usb_ep_set_maxpacket_limit' filepath='drivers/usb/gadget/udc/core.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_set_maxpacket_limit'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='71' column='1'/>
+        <parameter type-id='f0981eeb' name='maxpacket_limit' filepath='drivers/usb/gadget/udc/core.c' line='72' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_find_common_endpoints' mangled-name='usb_find_common_endpoints' filepath='drivers/usb/core/usb.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_find_common_endpoints'>
+        <parameter type-id='2ac920d2' name='alt' filepath='drivers/usb/core/usb.c' line='135' column='1'/>
+        <parameter type-id='5fce7261' name='bulk_in' filepath='drivers/usb/core/usb.c' line='136' column='1'/>
+        <parameter type-id='5fce7261' name='bulk_out' filepath='drivers/usb/core/usb.c' line='137' column='1'/>
+        <parameter type-id='5fce7261' name='int_in' filepath='drivers/usb/core/usb.c' line='138' column='1'/>
+        <parameter type-id='5fce7261' name='int_out' filepath='drivers/usb/core/usb.c' line='139' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_find_interface' mangled-name='usb_find_interface' filepath='drivers/usb/core/usb.c' line='428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_find_interface'>
+        <parameter type-id='46ae908a' name='drv' filepath='drivers/usb/core/usb.c' line='428' column='1'/>
+        <parameter type-id='95e97e5e' name='minor' filepath='drivers/usb/core/usb.c' line='428' column='1'/>
+        <return type-id='8bf48c31'/>
+      </function-decl>
+      <function-decl name='usb_free_all_descriptors' mangled-name='usb_free_all_descriptors' filepath='drivers/usb/gadget/config.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_free_all_descriptors'>
+        <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/config.c' line='202' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_free_coherent' mangled-name='usb_free_coherent' filepath='drivers/usb/core/usb.c' line='1020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_free_coherent'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='1020' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/usb/core/usb.c' line='1020' column='1'/>
+        <parameter type-id='eaa32e2f' name='addr' filepath='drivers/usb/core/usb.c' line='1020' column='1'/>
+        <parameter type-id='cf29c9b3' name='dma' filepath='drivers/usb/core/usb.c' line='1021' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_free_urb' mangled-name='usb_free_urb' filepath='drivers/usb/core/urb.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_free_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='93' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_function_activate' mangled-name='usb_function_activate' filepath='drivers/usb/gadget/composite.c' line='432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_function_activate'>
+        <parameter type-id='e5411c2c' name='function' filepath='drivers/usb/gadget/composite.c' line='432' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_function_deactivate' mangled-name='usb_function_deactivate' filepath='drivers/usb/gadget/composite.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_function_deactivate'>
+        <parameter type-id='e5411c2c' name='function' filepath='drivers/usb/gadget/composite.c' line='401' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_function_register' mangled-name='usb_function_register' filepath='drivers/usb/gadget/functions.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_function_register'>
+        <parameter type-id='f666bcc1' name='newf' filepath='drivers/usb/gadget/functions.c' line='91' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_function_unregister' mangled-name='usb_function_unregister' filepath='drivers/usb/gadget/functions.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_function_unregister'>
+        <parameter type-id='f666bcc1' name='fd' filepath='drivers/usb/gadget/functions.c' line='111' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_gadget_activate' mangled-name='usb_gadget_activate' filepath='drivers/usb/gadget/udc/core.c' line='837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_activate'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='837' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_connect' mangled-name='usb_gadget_connect' filepath='drivers/usb/gadget/udc/core.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_connect'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='707' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_deactivate' mangled-name='usb_gadget_deactivate' filepath='drivers/usb/gadget/udc/core.c' line='796' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_deactivate'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='796' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_disconnect' mangled-name='usb_gadget_disconnect' filepath='drivers/usb/gadget/udc/core.c' line='770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_disconnect'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='770' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_frame_number' mangled-name='usb_gadget_frame_number' filepath='drivers/usb/gadget/udc/core.c' line='475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_frame_number'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='475' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_giveback_request' mangled-name='usb_gadget_giveback_request' filepath='drivers/usb/gadget/udc/core.c' line='954' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_giveback_request'>
+        <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='954' column='1'/>
+        <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='955' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_gadget_map_request' mangled-name='usb_gadget_map_request' filepath='drivers/usb/gadget/udc/core.c' line='907' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_map_request'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='907' column='1'/>
+        <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='908' column='1'/>
+        <parameter type-id='95e97e5e' name='is_in' filepath='drivers/usb/gadget/udc/core.c' line='908' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_probe_driver' mangled-name='usb_gadget_probe_driver' filepath='drivers/usb/gadget/udc/core.c' line='1592' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_probe_driver'>
+        <parameter type-id='9762ede1' name='driver' filepath='drivers/usb/gadget/udc/core.c' line='1592' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_set_state' mangled-name='usb_gadget_set_state' filepath='drivers/usb/gadget/udc/core.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_set_state'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1086' column='1'/>
+        <parameter type-id='901a91cb' name='state' filepath='drivers/usb/gadget/udc/core.c' line='1087' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_gadget_unmap_request' mangled-name='usb_gadget_unmap_request' filepath='drivers/usb/gadget/udc/core.c' line='933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_unmap_request'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='933' column='1'/>
+        <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='934' column='1'/>
+        <parameter type-id='95e97e5e' name='is_in' filepath='drivers/usb/gadget/udc/core.c' line='934' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_gadget_unregister_driver' mangled-name='usb_gadget_unregister_driver' filepath='drivers/usb/gadget/udc/core.c' line='1639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_unregister_driver'>
+        <parameter type-id='9762ede1' name='driver' filepath='drivers/usb/gadget/udc/core.c' line='1639' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_gadget_vbus_draw' mangled-name='usb_gadget_vbus_draw' filepath='drivers/usb/gadget/udc/core.c' line='616' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_vbus_draw'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='616' column='1'/>
+        <parameter type-id='f0981eeb' name='mA' filepath='drivers/usb/gadget/udc/core.c' line='616' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_get_dev' mangled-name='usb_get_dev' filepath='drivers/usb/core/usb.c' line='770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_dev'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='770' column='1'/>
+        <return type-id='25e60cb2'/>
+      </function-decl>
+      <function-decl name='usb_get_dr_mode' mangled-name='usb_get_dr_mode' filepath='drivers/usb/common/common.c' line='190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_dr_mode'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/common/common.c' line='190' column='1'/>
+        <return type-id='d291aaf1'/>
+      </function-decl>
+      <function-decl name='usb_get_from_anchor' mangled-name='usb_get_from_anchor' filepath='drivers/usb/core/urb.c' line='982' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_from_anchor'>
+        <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='982' column='1'/>
+        <return type-id='ab85b8f2'/>
+      </function-decl>
+      <function-decl name='usb_get_function' mangled-name='usb_get_function' filepath='drivers/usb/gadget/functions.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_function'>
+        <parameter type-id='6614aa5e' name='fi' filepath='drivers/usb/gadget/functions.c' line='57' column='1'/>
+        <return type-id='e5411c2c'/>
+      </function-decl>
+      <function-decl name='usb_get_function_instance' mangled-name='usb_get_function_instance' filepath='drivers/usb/gadget/functions.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_function_instance'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/usb/gadget/functions.c' line='39' column='1'/>
+        <return type-id='6614aa5e'/>
+      </function-decl>
+      <function-decl name='usb_get_gadget_udc_name' mangled-name='usb_get_gadget_udc_name' filepath='drivers/usb/gadget/udc/core.c' line='1449' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_gadget_udc_name'>
+        <return type-id='26a90f95'/>
+      </function-decl>
+      <function-decl name='usb_get_intf' mangled-name='usb_get_intf' filepath='drivers/usb/core/usb.c' line='804' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_intf'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/usb.c' line='804' column='1'/>
+        <return type-id='8bf48c31'/>
+      </function-decl>
+      <function-decl name='usb_get_maximum_speed' mangled-name='usb_get_maximum_speed' filepath='drivers/usb/common/common.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_maximum_speed'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/common/common.c' line='107' column='1'/>
+        <return type-id='4e532009'/>
+      </function-decl>
+      <function-decl name='usb_gstrings_attach' mangled-name='usb_gstrings_attach' filepath='drivers/usb/gadget/composite.c' line='1401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gstrings_attach'>
+        <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='1401' column='1'/>
+        <parameter type-id='fa0eba8f' name='sp' filepath='drivers/usb/gadget/composite.c' line='1402' column='1'/>
+        <parameter type-id='f0981eeb' name='n_strings' filepath='drivers/usb/gadget/composite.c' line='1402' column='1'/>
+        <return type-id='3b7e997b'/>
+      </function-decl>
+      <function-decl name='usb_hc_died' mangled-name='usb_hc_died' filepath='drivers/usb/core/hcd.c' line='2389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hc_died'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2389' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_check_unlink_urb' mangled-name='usb_hcd_check_unlink_urb' filepath='drivers/usb/core/hcd.c' line='1214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_check_unlink_urb'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1214' column='1'/>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1214' column='1'/>
+        <parameter type-id='95e97e5e' name='status' filepath='drivers/usb/core/hcd.c' line='1215' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_hcd_giveback_urb' mangled-name='usb_hcd_giveback_urb' filepath='drivers/usb/core/hcd.c' line='1738' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_giveback_urb'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1738' column='1'/>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1738' column='1'/>
+        <parameter type-id='95e97e5e' name='status' filepath='drivers/usb/core/hcd.c' line='1738' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_is_primary_hcd' mangled-name='usb_hcd_is_primary_hcd' filepath='drivers/usb/core/hcd.c' line='2589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_is_primary_hcd'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2589' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_hcd_link_urb_to_ep' mangled-name='usb_hcd_link_urb_to_ep' filepath='drivers/usb/core/hcd.c' line='1156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_link_urb_to_ep'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1156' column='1'/>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1156' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_hcd_map_urb_for_dma' mangled-name='usb_hcd_map_urb_for_dma' filepath='drivers/usb/core/hcd.c' line='1409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_map_urb_for_dma'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1409' column='1'/>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1409' column='1'/>
+        <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/hcd.c' line='1410' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='usb_hcd_pci_pm_ops' type-id='86af1d10' mangled-name='usb_hcd_pci_pm_ops' visibility='default' filepath='drivers/usb/core/hcd-pci.c' line='612' column='1' elf-symbol-id='usb_hcd_pci_pm_ops'/>
+      <function-decl name='usb_hcd_pci_probe' mangled-name='usb_hcd_pci_probe' filepath='drivers/usb/core/hcd-pci.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_pci_probe'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/usb/core/hcd-pci.c' line='173' column='1'/>
+        <parameter type-id='92fc8aa5' name='id' filepath='drivers/usb/core/hcd-pci.c' line='173' column='1'/>
+        <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd-pci.c' line='174' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_hcd_pci_remove' mangled-name='usb_hcd_pci_remove' filepath='drivers/usb/core/hcd-pci.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_pci_remove'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/usb/core/hcd-pci.c' line='315' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_pci_shutdown' mangled-name='usb_hcd_pci_shutdown' filepath='drivers/usb/core/hcd-pci.c' line='363' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_pci_shutdown'>
+        <parameter type-id='85196e3f' name='dev' filepath='drivers/usb/core/hcd-pci.c' line='363' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_platform_shutdown' mangled-name='usb_hcd_platform_shutdown' filepath='drivers/usb/core/hcd.c' line='2955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_platform_shutdown'>
+        <parameter type-id='db362995' name='dev' filepath='drivers/usb/core/hcd.c' line='2955' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_poll_rh_status' mangled-name='usb_hcd_poll_rh_status' filepath='drivers/usb/core/hcd.c' line='753' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_poll_rh_status'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='753' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_resume_root_hub' mangled-name='usb_hcd_resume_root_hub' filepath='drivers/usb/core/hcd.c' line='2279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_resume_root_hub'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2279' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_unlink_urb_from_ep' mangled-name='usb_hcd_unlink_urb_from_ep' filepath='drivers/usb/core/hcd.c' line='1247' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_unlink_urb_from_ep'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1247' column='1'/>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1247' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_hcd_unmap_urb_for_dma' mangled-name='usb_hcd_unmap_urb_for_dma' filepath='drivers/usb/core/hcd.c' line='1362' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_unmap_urb_for_dma'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1362' column='1'/>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1362' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='usb_hcds_loaded' type-id='7359adad' mangled-name='usb_hcds_loaded' visibility='default' filepath='drivers/usb/core/hcd.c' line='81' column='1' elf-symbol-id='usb_hcds_loaded'/>
+      <var-decl name='usb_hid_driver' type-id='0e5e2ca6' mangled-name='usb_hid_driver' visibility='default' filepath='drivers/hid/usbhid/hid-core.c' line='1316' column='1' elf-symbol-id='usb_hid_driver'/>
+      <function-decl name='usb_hub_clear_tt_buffer' mangled-name='usb_hub_clear_tt_buffer' filepath='drivers/usb/core/hub.c' line='875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hub_clear_tt_buffer'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hub.c' line='875' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_hub_find_child' mangled-name='usb_hub_find_child' filepath='drivers/usb/core/hub.c' line='6282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hub_find_child'>
+        <parameter type-id='25e60cb2' name='hdev' filepath='drivers/usb/core/hub.c' line='6282' column='1'/>
+        <parameter type-id='95e97e5e' name='port1' filepath='drivers/usb/core/hub.c' line='6283' column='1'/>
+        <return type-id='25e60cb2'/>
+      </function-decl>
+      <function-decl name='usb_ifnum_to_if' mangled-name='usb_ifnum_to_if' filepath='drivers/usb/core/usb.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ifnum_to_if'>
+        <parameter type-id='ca2b80c9' name='dev' filepath='drivers/usb/core/usb.c' line='348' column='1'/>
+        <parameter type-id='f0981eeb' name='ifnum' filepath='drivers/usb/core/usb.c' line='349' column='1'/>
+        <return type-id='8bf48c31'/>
+      </function-decl>
+      <function-decl name='usb_interface_id' mangled-name='usb_interface_id' filepath='drivers/usb/gadget/composite.c' line='479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_interface_id'>
+        <parameter type-id='ee27b7c6' name='config' filepath='drivers/usb/gadget/composite.c' line='479' column='1'/>
+        <parameter type-id='e5411c2c' name='function' filepath='drivers/usb/gadget/composite.c' line='480' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_interrupt_msg' mangled-name='usb_interrupt_msg' filepath='drivers/usb/core/message.c' line='328' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_interrupt_msg'>
+        <parameter type-id='25e60cb2' name='usb_dev' filepath='drivers/usb/core/message.c' line='328' column='1'/>
+        <parameter type-id='f0981eeb' name='pipe' filepath='drivers/usb/core/message.c' line='328' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/core/message.c' line='329' column='1'/>
+        <parameter type-id='95e97e5e' name='len' filepath='drivers/usb/core/message.c' line='329' column='1'/>
+        <parameter type-id='7292109c' name='actual_length' filepath='drivers/usb/core/message.c' line='329' column='1'/>
+        <parameter type-id='95e97e5e' name='timeout' filepath='drivers/usb/core/message.c' line='329' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_kill_anchored_urbs' mangled-name='usb_kill_anchored_urbs' filepath='drivers/usb/core/urb.c' line='812' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_kill_anchored_urbs'>
+        <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='812' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_kill_urb' mangled-name='usb_kill_urb' filepath='drivers/usb/core/urb.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_kill_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='703' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_match_id' mangled-name='usb_match_id' filepath='drivers/usb/core/driver.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_match_id'>
+        <parameter type-id='8bf48c31' name='interface' filepath='drivers/usb/core/driver.c' line='807' column='1'/>
+        <parameter type-id='bc57058f' name='id' filepath='drivers/usb/core/driver.c' line='808' column='1'/>
+        <return type-id='bc57058f'/>
+      </function-decl>
+      <function-decl name='usb_match_one_id' mangled-name='usb_match_one_id' filepath='drivers/usb/core/driver.c' line='714' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_match_one_id'>
+        <parameter type-id='8bf48c31' name='interface' filepath='drivers/usb/core/driver.c' line='714' column='1'/>
+        <parameter type-id='bc57058f' name='id' filepath='drivers/usb/core/driver.c' line='715' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_os_desc_prepare_interf_dir' mangled-name='usb_os_desc_prepare_interf_dir' filepath='drivers/usb/gadget/configfs.c' line='1228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_os_desc_prepare_interf_dir'>
+        <parameter type-id='97aff453' name='parent' filepath='drivers/usb/gadget/configfs.c' line='1229' column='1'/>
+        <parameter type-id='95e97e5e' name='n_interf' filepath='drivers/usb/gadget/configfs.c' line='1230' column='1'/>
+        <parameter type-id='b6338998' name='desc' filepath='drivers/usb/gadget/configfs.c' line='1231' column='1'/>
+        <parameter type-id='9b23c9ad' name='names' filepath='drivers/usb/gadget/configfs.c' line='1232' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/usb/gadget/configfs.c' line='1233' column='1'/>
+        <return type-id='97aff453'/>
+      </function-decl>
+      <function-decl name='usb_otg_state_string' mangled-name='usb_otg_state_string' filepath='drivers/usb/common/common.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_otg_state_string'>
+        <parameter type-id='4c0c8157' name='state' filepath='drivers/usb/common/common.c' line='43' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='usb_phy_set_charger_current' mangled-name='usb_phy_set_charger_current' filepath='drivers/usb/phy/phy.c' line='193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_phy_set_charger_current'>
+        <parameter type-id='ca9354d1' name='usb_phy' filepath='drivers/usb/phy/phy.c' line='193' column='1'/>
+        <parameter type-id='f0981eeb' name='mA' filepath='drivers/usb/phy/phy.c' line='193' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_poison_anchored_urbs' mangled-name='usb_poison_anchored_urbs' filepath='drivers/usb/core/urb.c' line='850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_poison_anchored_urbs'>
+        <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='850' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_poison_urb' mangled-name='usb_poison_urb' filepath='drivers/usb/core/urb.c' line='750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_poison_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='750' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_put_dev' mangled-name='usb_put_dev' filepath='drivers/usb/core/usb.c' line='785' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_dev'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='785' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_put_function' mangled-name='usb_put_function' filepath='drivers/usb/gadget/functions.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_function'>
+        <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/functions.c' line='82' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_put_function_instance' mangled-name='usb_put_function_instance' filepath='drivers/usb/gadget/functions.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_function_instance'>
+        <parameter type-id='6614aa5e' name='fi' filepath='drivers/usb/gadget/functions.c' line='69' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_put_hcd' mangled-name='usb_put_hcd' filepath='drivers/usb/core/hcd.c' line='2582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_hcd'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2582' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_put_intf' mangled-name='usb_put_intf' filepath='drivers/usb/core/usb.c' line='820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_intf'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/usb.c' line='820' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_queue_reset_device' mangled-name='usb_queue_reset_device' filepath='drivers/usb/core/hub.c' line='6262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_queue_reset_device'>
+        <parameter type-id='8bf48c31' name='iface' filepath='drivers/usb/core/hub.c' line='6262' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_register_dev' mangled-name='usb_register_dev' filepath='drivers/usb/core/file.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_register_dev'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/file.c' line='156' column='1'/>
+        <parameter type-id='63cfef1d' name='class_driver' filepath='drivers/usb/core/file.c' line='157' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_register_driver' mangled-name='usb_register_driver' filepath='drivers/usb/core/driver.c' line='1047' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_register_driver'>
+        <parameter type-id='46ae908a' name='new_driver' filepath='drivers/usb/core/driver.c' line='1047' column='1'/>
+        <parameter type-id='2730d015' name='owner' filepath='drivers/usb/core/driver.c' line='1047' column='1'/>
+        <parameter type-id='80f4b756' name='mod_name' filepath='drivers/usb/core/driver.c' line='1048' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_register_notify' mangled-name='usb_register_notify' filepath='drivers/usb/core/notify.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_register_notify'>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/usb/core/notify.c' line='29' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_remove_function' mangled-name='usb_remove_function' filepath='drivers/usb/gadget/composite.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_remove_function'>
+        <parameter type-id='ee27b7c6' name='c' filepath='drivers/usb/gadget/composite.c' line='367' column='1'/>
+        <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/composite.c' line='367' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_remove_hcd' mangled-name='usb_remove_hcd' filepath='drivers/usb/core/hcd.c' line='2884' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_remove_hcd'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2884' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_remove_phy' mangled-name='usb_remove_phy' filepath='drivers/usb/phy/phy.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_remove_phy'>
+        <parameter type-id='ca9354d1' name='x' filepath='drivers/usb/phy/phy.c' line='703' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_reset_endpoint' mangled-name='usb_reset_endpoint' filepath='drivers/usb/core/message.c' line='1310' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_reset_endpoint'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/message.c' line='1310' column='1'/>
+        <parameter type-id='f0981eeb' name='epaddr' filepath='drivers/usb/core/message.c' line='1310' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_role_switch_get' mangled-name='usb_role_switch_get' filepath='drivers/usb/roles/class.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_get'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/roles/class.c' line='126' column='1'/>
+        <return type-id='3e3cd44f'/>
+      </function-decl>
+      <function-decl name='usb_role_switch_get_drvdata' mangled-name='usb_role_switch_get_drvdata' filepath='drivers/usb/roles/class.c' line='379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_get_drvdata'>
+        <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='379' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='usb_role_switch_put' mangled-name='usb_role_switch_put' filepath='drivers/usb/roles/class.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_put'>
+        <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='170' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_role_switch_register' mangled-name='usb_role_switch_register' filepath='drivers/usb/roles/class.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_register'>
+        <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/roles/class.c' line='309' column='1'/>
+        <parameter type-id='143d32b2' name='desc' filepath='drivers/usb/roles/class.c' line='310' column='1'/>
+        <return type-id='3e3cd44f'/>
+      </function-decl>
+      <function-decl name='usb_role_switch_set_role' mangled-name='usb_role_switch_set_role' filepath='drivers/usb/roles/class.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_set_role'>
+        <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='42' column='1'/>
+        <parameter type-id='c675b073' name='role' filepath='drivers/usb/roles/class.c' line='42' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_role_switch_unregister' mangled-name='usb_role_switch_unregister' filepath='drivers/usb/roles/class.c' line='357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_unregister'>
+        <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='357' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_root_hub_lost_power' mangled-name='usb_root_hub_lost_power' filepath='drivers/usb/core/hub.c' line='3925' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_root_hub_lost_power'>
+        <parameter type-id='25e60cb2' name='rhdev' filepath='drivers/usb/core/hub.c' line='3925' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_scuttle_anchored_urbs' mangled-name='usb_scuttle_anchored_urbs' filepath='drivers/usb/core/urb.c' line='1009' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_scuttle_anchored_urbs'>
+        <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='1009' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_set_device_state' mangled-name='usb_set_device_state' filepath='drivers/usb/core/hub.c' line='2070' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_set_device_state'>
+        <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/hub.c' line='2070' column='1'/>
+        <parameter type-id='901a91cb' name='new_state' filepath='drivers/usb/core/hub.c' line='2071' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_set_interface' mangled-name='usb_set_interface' filepath='drivers/usb/core/message.c' line='1518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_set_interface'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/message.c' line='1518' column='1'/>
+        <parameter type-id='95e97e5e' name='interface' filepath='drivers/usb/core/message.c' line='1518' column='1'/>
+        <parameter type-id='95e97e5e' name='alternate' filepath='drivers/usb/core/message.c' line='1518' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_show_dynids' mangled-name='usb_show_dynids' filepath='drivers/usb/core/driver.c' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_show_dynids'>
+        <parameter type-id='32c73a29' name='dynids' filepath='drivers/usb/core/driver.c' line='115' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='drivers/usb/core/driver.c' line='115' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='usb_speed_string' mangled-name='usb_speed_string' filepath='drivers/usb/common/common.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_speed_string'>
+        <parameter type-id='4e532009' name='speed' filepath='drivers/usb/common/common.c' line='91' column='1'/>
+        <return type-id='80f4b756'/>
+      </function-decl>
+      <function-decl name='usb_store_new_id' mangled-name='usb_store_new_id' filepath='drivers/usb/core/driver.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_store_new_id'>
+        <parameter type-id='32c73a29' name='dynids' filepath='drivers/usb/core/driver.c' line='43' column='1'/>
+        <parameter type-id='bc57058f' name='id_table' filepath='drivers/usb/core/driver.c' line='44' column='1'/>
+        <parameter type-id='00c7b870' name='driver' filepath='drivers/usb/core/driver.c' line='45' column='1'/>
+        <parameter type-id='80f4b756' name='buf' filepath='drivers/usb/core/driver.c' line='46' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='drivers/usb/core/driver.c' line='46' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='usb_string' mangled-name='usb_string' filepath='drivers/usb/core/message.c' line='967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_string'>
+        <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/message.c' line='967' column='1'/>
+        <parameter type-id='95e97e5e' name='index' filepath='drivers/usb/core/message.c' line='967' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='drivers/usb/core/message.c' line='967' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='drivers/usb/core/message.c' line='967' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_string_id' mangled-name='usb_string_id' filepath='drivers/usb/gadget/composite.c' line='1288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_string_id'>
+        <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='1288' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_string_ids_tab' mangled-name='usb_string_ids_tab' filepath='drivers/usb/gadget/composite.c' line='1317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_string_ids_tab'>
+        <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='1317' column='1'/>
+        <parameter type-id='3b7e997b' name='str' filepath='drivers/usb/gadget/composite.c' line='1317' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_submit_urb' mangled-name='usb_submit_urb' filepath='drivers/usb/core/urb.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_submit_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='367' column='1'/>
+        <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/urb.c' line='367' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_udc_vbus_handler' mangled-name='usb_udc_vbus_handler' filepath='drivers/usb/gadget/udc/core.c' line='1114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_udc_vbus_handler'>
+        <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1114' column='1'/>
+        <parameter type-id='b50a4934' name='status' filepath='drivers/usb/gadget/udc/core.c' line='1114' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_unanchor_urb' mangled-name='usb_unanchor_urb' filepath='drivers/usb/core/urb.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_unanchor_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='164' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_unlink_urb' mangled-name='usb_unlink_urb' filepath='drivers/usb/core/urb.c' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_unlink_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='664' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usb_unpoison_urb' mangled-name='usb_unpoison_urb' filepath='drivers/usb/core/urb.c' line='771' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_unpoison_urb'>
+        <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='771' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_unregister_notify' mangled-name='usb_unregister_notify' filepath='drivers/usb/core/notify.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_unregister_notify'>
+        <parameter type-id='d504f73d' name='nb' filepath='drivers/usb/core/notify.c' line='42' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usb_wakeup_enabled_descendants' mangled-name='usb_wakeup_enabled_descendants' filepath='drivers/usb/core/hub.c' line='3307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_wakeup_enabled_descendants'>
+        <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/hub.c' line='3307' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='usbnet_change_mtu' mangled-name='usbnet_change_mtu' filepath='drivers/net/usb/usbnet.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_change_mtu'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='375' column='1'/>
+        <parameter type-id='95e97e5e' name='new_mtu' filepath='drivers/net/usb/usbnet.c' line='375' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_defer_kevent' mangled-name='usbnet_defer_kevent' filepath='drivers/net/usb/usbnet.c' line='451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_defer_kevent'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='451' column='1'/>
+        <parameter type-id='95e97e5e' name='work' filepath='drivers/net/usb/usbnet.c' line='451' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_disconnect' mangled-name='usbnet_disconnect' filepath='drivers/net/usb/usbnet.c' line='1565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_disconnect'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='1565' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_get_drvinfo' mangled-name='usbnet_get_drvinfo' filepath='drivers/net/usb/usbnet.c' line='1018' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_drvinfo'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1018' column='1'/>
+        <parameter type-id='8c4c4029' name='info' filepath='drivers/net/usb/usbnet.c' line='1018' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_get_endpoints' mangled-name='usbnet_get_endpoints' filepath='drivers/net/usb/usbnet.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_endpoints'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='78' column='1'/>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='78' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_get_link' mangled-name='usbnet_get_link' filepath='drivers/net/usb/usbnet.c' line='990' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_link'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='990' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='usbnet_get_link_ksettings' mangled-name='usbnet_get_link_ksettings' filepath='drivers/net/usb/usbnet.c' line='945' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_link_ksettings'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='945' column='1'/>
+        <parameter type-id='70de91e2' name='cmd' filepath='drivers/net/usb/usbnet.c' line='946' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_get_msglevel' mangled-name='usbnet_get_msglevel' filepath='drivers/net/usb/usbnet.c' line='1029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_msglevel'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1029' column='1'/>
+        <return type-id='19c2251e'/>
+      </function-decl>
+      <function-decl name='usbnet_get_stats64' mangled-name='usbnet_get_stats64' filepath='drivers/net/usb/usbnet.c' line='981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_stats64'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='981' column='1'/>
+        <parameter type-id='bd3860fe' name='stats' filepath='drivers/net/usb/usbnet.c' line='981' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_link_change' mangled-name='usbnet_link_change' filepath='drivers/net/usb/usbnet.c' line='1952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_link_change'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='1952' column='1'/>
+        <parameter type-id='b50a4934' name='link' filepath='drivers/net/usb/usbnet.c' line='1952' column='1'/>
+        <parameter type-id='b50a4934' name='need_reset' filepath='drivers/net/usb/usbnet.c' line='1952' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_nway_reset' mangled-name='usbnet_nway_reset' filepath='drivers/net/usb/usbnet.c' line='1007' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_nway_reset'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1007' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_open' mangled-name='usbnet_open' filepath='drivers/net/usb/usbnet.c' line='856' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_open'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='856' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_probe' mangled-name='usbnet_probe' filepath='drivers/net/usb/usbnet.c' line='1630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_probe'>
+        <parameter type-id='8bf48c31' name='udev' filepath='drivers/net/usb/usbnet.c' line='1630' column='1'/>
+        <parameter type-id='bc57058f' name='prod' filepath='drivers/net/usb/usbnet.c' line='1630' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_read_cmd' mangled-name='usbnet_read_cmd' filepath='drivers/net/usb/usbnet.c' line='2035' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_read_cmd'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2035' column='1'/>
+        <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2035' column='1'/>
+        <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2035' column='1'/>
+        <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2036' column='1'/>
+        <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2036' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2036' column='1'/>
+        <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2036' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_read_cmd_nopm' mangled-name='usbnet_read_cmd_nopm' filepath='drivers/net/usb/usbnet.c' line='2071' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_read_cmd_nopm'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2071' column='1'/>
+        <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2071' column='1'/>
+        <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2071' column='1'/>
+        <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2072' column='1'/>
+        <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2072' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2072' column='1'/>
+        <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2072' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_resume' mangled-name='usbnet_resume' filepath='drivers/net/usb/usbnet.c' line='1875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_resume'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='1875' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_set_link_ksettings' mangled-name='usbnet_set_link_ksettings' filepath='drivers/net/usb/usbnet.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_set_link_ksettings'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='959' column='1'/>
+        <parameter type-id='b2c34f11' name='cmd' filepath='drivers/net/usb/usbnet.c' line='960' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_set_msglevel' mangled-name='usbnet_set_msglevel' filepath='drivers/net/usb/usbnet.c' line='1037' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_set_msglevel'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1037' column='1'/>
+        <parameter type-id='19c2251e' name='level' filepath='drivers/net/usb/usbnet.c' line='1037' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_skb_return' mangled-name='usbnet_skb_return' filepath='drivers/net/usb/usbnet.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_skb_return'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='305' column='1'/>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/usb/usbnet.c' line='305' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_start_xmit' mangled-name='usbnet_start_xmit' filepath='drivers/net/usb/usbnet.c' line='1319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_start_xmit'>
+        <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/usb/usbnet.c' line='1319' column='1'/>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1320' column='1'/>
+        <return type-id='6849a88c'/>
+      </function-decl>
+      <function-decl name='usbnet_stop' mangled-name='usbnet_stop' filepath='drivers/net/usb/usbnet.c' line='796' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_stop'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='796' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_suspend' mangled-name='usbnet_suspend' filepath='drivers/net/usb/usbnet.c' line='1842' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_suspend'>
+        <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='1842' column='1'/>
+        <parameter type-id='08496218' name='message' filepath='drivers/net/usb/usbnet.c' line='1842' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_tx_timeout' mangled-name='usbnet_tx_timeout' filepath='drivers/net/usb/usbnet.c' line='1269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_tx_timeout'>
+        <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1269' column='1'/>
+        <parameter type-id='f0981eeb' name='txqueue' filepath='drivers/net/usb/usbnet.c' line='1269' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_update_max_qlen' mangled-name='usbnet_update_max_qlen' filepath='drivers/net/usb/usbnet.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_update_max_qlen'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='340' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='usbnet_write_cmd' mangled-name='usbnet_write_cmd' filepath='drivers/net/usb/usbnet.c' line='2053' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_write_cmd'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2053' column='1'/>
+        <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2053' column='1'/>
+        <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2053' column='1'/>
+        <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2054' column='1'/>
+        <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2054' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2054' column='1'/>
+        <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2054' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_write_cmd_async' mangled-name='usbnet_write_cmd_async' filepath='drivers/net/usb/usbnet.c' line='2109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_write_cmd_async'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2109' column='1'/>
+        <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2109' column='1'/>
+        <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2109' column='1'/>
+        <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2110' column='1'/>
+        <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2110' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2110' column='1'/>
+        <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2110' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usbnet_write_cmd_nopm' mangled-name='usbnet_write_cmd_nopm' filepath='drivers/net/usb/usbnet.c' line='2083' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_write_cmd_nopm'>
+        <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2083' column='1'/>
+        <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2083' column='1'/>
+        <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2083' column='1'/>
+        <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2084' column='1'/>
+        <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2084' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2084' column='1'/>
+        <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2085' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='usleep_range' mangled-name='usleep_range' filepath='kernel/time/timer.c' line='2095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usleep_range'>
+        <parameter type-id='7359adad' name='min' filepath='kernel/time/timer.c' line='2095' column='1'/>
+        <parameter type-id='7359adad' name='max' filepath='kernel/time/timer.c' line='2095' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='uuid_gen' mangled-name='uuid_gen' filepath='lib/uuid.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uuid_gen'>
+        <parameter type-id='f1397309' name='bu' filepath='lib/uuid.c' line='68' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='uuid_null' type-id='21109a44' mangled-name='uuid_null' visibility='default' filepath='lib/uuid.c' line='18' column='1' elf-symbol-id='uuid_null'/>
+      <function-decl name='v4l2_async_notifier_add_fwnode_subdev' mangled-name='v4l2_async_notifier_add_fwnode_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='651' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_add_fwnode_subdev'>
+        <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='651' column='1'/>
+        <parameter type-id='4a935625' name='fwnode' filepath='drivers/media/v4l2-core/v4l2-async.c' line='652' column='1'/>
+        <parameter type-id='f0981eeb' name='asd_struct_size' filepath='drivers/media/v4l2-core/v4l2-async.c' line='653' column='1'/>
+        <return type-id='707be29c'/>
+      </function-decl>
+      <function-decl name='v4l2_async_notifier_add_subdev' mangled-name='v4l2_async_notifier_add_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_add_subdev'>
+        <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='631' column='1'/>
+        <parameter type-id='707be29c' name='asd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='632' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_async_notifier_cleanup' mangled-name='v4l2_async_notifier_cleanup' filepath='drivers/media/v4l2-core/v4l2-async.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_cleanup'>
+        <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='621' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_async_notifier_init' mangled-name='v4l2_async_notifier_init' filepath='drivers/media/v4l2-core/v4l2-async.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_init'>
+        <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='489' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_async_notifier_register' mangled-name='v4l2_async_notifier_register' filepath='drivers/media/v4l2-core/v4l2-async.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_register'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='540' column='1'/>
+        <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='541' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_async_notifier_unregister' mangled-name='v4l2_async_notifier_unregister' filepath='drivers/media/v4l2-core/v4l2-async.c' line='590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_unregister'>
+        <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='590' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_async_register_subdev' mangled-name='v4l2_async_register_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_register_subdev'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='750' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_async_subdev_notifier_register' mangled-name='v4l2_async_subdev_notifier_register' filepath='drivers/media/v4l2-core/v4l2-async.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_subdev_notifier_register'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='558' column='1'/>
+        <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='559' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_async_unregister_subdev' mangled-name='v4l2_async_unregister_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='818' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_unregister_subdev'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='818' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_activate' mangled-name='v4l2_ctrl_activate' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_activate'>
+        <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3164' column='1'/>
+        <parameter type-id='b50a4934' name='active' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3164' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_add_handler' mangled-name='v4l2_ctrl_add_handler' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_add_handler'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3059' column='1'/>
+        <parameter type-id='2b59fa5e' name='add' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3060' column='1'/>
+        <parameter type-id='3177a274' name='filter' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3061' column='1'/>
+        <parameter type-id='b50a4934' name='from_other_dev' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3062' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_cluster' mangled-name='v4l2_ctrl_cluster' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_cluster'>
+        <parameter type-id='f0981eeb' name='ncontrols' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3116' column='1'/>
+        <parameter type-id='c517999b' name='controls' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3116' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_find' mangled-name='v4l2_ctrl_find' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_find'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2586' column='1'/>
+        <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2586' column='1'/>
+        <return type-id='4b8b2cf3'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_g_ctrl' mangled-name='v4l2_ctrl_g_ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4010' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_g_ctrl'>
+        <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4010' column='1'/>
+        <return type-id='a7832498'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_g_ctrl_int64' mangled-name='v4l2_ctrl_g_ctrl_int64' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_g_ctrl_int64'>
+        <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4023' column='1'/>
+        <return type-id='9b7c55ef'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_get_menu' mangled-name='v4l2_ctrl_get_menu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_get_menu'>
+        <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='64' column='1'/>
+        <return type-id='13956559'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_handler_free' mangled-name='v4l2_ctrl_handler_free' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2470' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_handler_free'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2470' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_handler_init_class' mangled-name='v4l2_ctrl_handler_init_class' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_handler_init_class'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2447' column='1'/>
+        <parameter type-id='f0981eeb' name='nr_of_controls_hint' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2448' column='1'/>
+        <parameter type-id='a57283f9' name='key' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2449' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2449' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_handler_log_status' mangled-name='v4l2_ctrl_handler_log_status' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_handler_log_status'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3231' column='1'/>
+        <parameter type-id='80f4b756' name='prefix' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3232' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_handler_setup' mangled-name='v4l2_ctrl_handler_setup' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3300' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_handler_setup'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3300' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_log_status' mangled-name='v4l2_ctrl_log_status' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_log_status'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4773' column='1'/>
+        <parameter type-id='eaa32e2f' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4773' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_new_custom' mangled-name='v4l2_ctrl_new_custom' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2882' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_custom'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2882' column='1'/>
+        <parameter type-id='45c81897' name='cfg' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2883' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2883' column='1'/>
+        <return type-id='4b8b2cf3'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_new_int_menu' mangled-name='v4l2_ctrl_new_int_menu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3035' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_int_menu'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3035' column='1'/>
+        <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3036' column='1'/>
+        <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+        <parameter type-id='f9b06939' name='_max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+        <parameter type-id='f9b06939' name='_def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+        <parameter type-id='43ae54cf' name='qmenu_int' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+        <return type-id='4b8b2cf3'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_new_std' mangled-name='v4l2_ctrl_new_std' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_std'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2926' column='1'/>
+        <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2927' column='1'/>
+        <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+        <parameter type-id='9b7c55ef' name='min' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+        <parameter type-id='9b7c55ef' name='max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+        <parameter type-id='91ce1af9' name='step' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+        <parameter type-id='9b7c55ef' name='def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+        <return type-id='4b8b2cf3'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_new_std_menu' mangled-name='v4l2_ctrl_new_std_menu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2948' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_std_menu'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2948' column='1'/>
+        <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2949' column='1'/>
+        <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+        <parameter type-id='f9b06939' name='_max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+        <parameter type-id='91ce1af9' name='mask' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+        <parameter type-id='f9b06939' name='_def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+        <return type-id='4b8b2cf3'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_new_std_menu_items' mangled-name='v4l2_ctrl_new_std_menu_items' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_std_menu_items'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2981' column='1'/>
+        <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2982' column='1'/>
+        <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2982' column='1'/>
+        <parameter type-id='f9b06939' name='_max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2982' column='1'/>
+        <parameter type-id='91ce1af9' name='mask' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2983' column='1'/>
+        <parameter type-id='f9b06939' name='_def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2983' column='1'/>
+        <parameter type-id='13956559' name='qmenu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2983' column='1'/>
+        <return type-id='4b8b2cf3'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_poll' mangled-name='v4l2_ctrl_poll' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_poll'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4803' column='1'/>
+        <parameter type-id='f0acc909' name='wait' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4803' column='1'/>
+        <return type-id='8f254b08'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_query_fill' mangled-name='v4l2_ctrl_query_fill' filepath='drivers/media/v4l2-core/v4l2-common.c' line='65' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_query_fill'>
+        <parameter type-id='69a3afa7' name='qctrl' filepath='drivers/media/v4l2-core/v4l2-common.c' line='65' column='1'/>
+        <parameter type-id='a7832498' name='_min' filepath='drivers/media/v4l2-core/v4l2-common.c' line='65' column='1'/>
+        <parameter type-id='a7832498' name='_max' filepath='drivers/media/v4l2-core/v4l2-common.c' line='65' column='1'/>
+        <parameter type-id='a7832498' name='_step' filepath='drivers/media/v4l2-core/v4l2-common.c' line='65' column='1'/>
+        <parameter type-id='a7832498' name='_def' filepath='drivers/media/v4l2-core/v4l2-common.c' line='65' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_radio_filter' mangled-name='v4l2_ctrl_radio_filter' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3094' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_radio_filter'>
+        <parameter type-id='184ff936' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3094' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_subdev_log_status' mangled-name='v4l2_ctrl_subdev_log_status' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_subdev_log_status'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3253' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_subdev_subscribe_event' mangled-name='v4l2_ctrl_subdev_subscribe_event' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4794' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_subdev_subscribe_event'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4794' column='1'/>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4794' column='1'/>
+        <parameter type-id='8edac644' name='sub' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4795' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_ctrl_subscribe_event' mangled-name='v4l2_ctrl_subscribe_event' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4785' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_subscribe_event'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4785' column='1'/>
+        <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4786' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_device_disconnect' mangled-name='v4l2_device_disconnect' filepath='drivers/media/v4l2-core/v4l2-device.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_disconnect'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='76' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_device_put' mangled-name='v4l2_device_put' filepath='drivers/media/v4l2-core/v4l2-device.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_put'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='54' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_device_register' mangled-name='v4l2_device_register' filepath='drivers/media/v4l2-core/v4l2-device.c' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='17' column='1'/>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='17' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_device_register_subdev' mangled-name='v4l2_device_register_subdev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_register_subdev'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='111' column='1'/>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-device.c' line='112' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_device_set_name' mangled-name='v4l2_device_set_name' filepath='drivers/media/v4l2-core/v4l2-device.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_set_name'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='60' column='1'/>
+        <parameter type-id='80f4b756' name='basename' filepath='drivers/media/v4l2-core/v4l2-device.c' line='60' column='1'/>
+        <parameter type-id='8a47abc3' name='instance' filepath='drivers/media/v4l2-core/v4l2-device.c' line='61' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_device_unregister' mangled-name='v4l2_device_unregister' filepath='drivers/media/v4l2-core/v4l2-device.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_unregister'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='88' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_device_unregister_subdev' mangled-name='v4l2_device_unregister_subdev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_unregister_subdev'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-device.c' line='260' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_enum_dv_timings_cap' mangled-name='v4l2_enum_dv_timings_cap' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_enum_dv_timings_cap'>
+        <parameter type-id='c28fe484' name='t' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='190' column='1'/>
+        <parameter type-id='5b555a0e' name='cap' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='191' column='1'/>
+        <parameter type-id='eb920ed7' name='fnc' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='192' column='1'/>
+        <parameter type-id='eaa32e2f' name='fnc_handle' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='193' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_event_queue' mangled-name='v4l2_event_queue' filepath='drivers/media/v4l2-core/v4l2-event.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_queue'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-event.c' line='153' column='1'/>
+        <parameter type-id='52009e4b' name='ev' filepath='drivers/media/v4l2-core/v4l2-event.c' line='153' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_event_subdev_unsubscribe' mangled-name='v4l2_event_subdev_unsubscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_subdev_unsubscribe'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-event.c' line='315' column='1'/>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='315' column='1'/>
+        <parameter type-id='8edac644' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='316' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_event_subscribe' mangled-name='v4l2_event_subscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_subscribe'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='206' column='1'/>
+        <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='207' column='1'/>
+        <parameter type-id='f0981eeb' name='elems' filepath='drivers/media/v4l2-core/v4l2-event.c' line='207' column='1'/>
+        <parameter type-id='d66d2cad' name='ops' filepath='drivers/media/v4l2-core/v4l2-event.c' line='208' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_event_unsubscribe' mangled-name='v4l2_event_unsubscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_unsubscribe'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='283' column='1'/>
+        <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='284' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_fh_add' mangled-name='v4l2_fh_add' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_add'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='44' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_fh_del' mangled-name='v4l2_fh_del' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_del'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='69' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_fh_exit' mangled-name='v4l2_fh_exit' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_exit'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='80' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_fh_init' mangled-name='v4l2_fh_init' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_init'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='21' column='1'/>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='21' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_fh_is_singular' mangled-name='v4l2_fh_is_singular' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_is_singular'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='105' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_fh_open' mangled-name='v4l2_fh_open' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_open'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='55' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_fh_release' mangled-name='v4l2_fh_release' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_release'>
+        <parameter type-id='77e79a4b' name='filp' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='91' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_find_dv_timings_cap' mangled-name='v4l2_find_dv_timings_cap' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_find_dv_timings_cap'>
+        <parameter type-id='e3ba02e6' name='t' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='210' column='1'/>
+        <parameter type-id='5b555a0e' name='cap' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='211' column='1'/>
+        <parameter type-id='f0981eeb' name='pclock_delta' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='212' column='1'/>
+        <parameter type-id='eb920ed7' name='fnc' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='213' column='1'/>
+        <parameter type-id='eaa32e2f' name='fnc_handle' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='214' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='v4l2_i2c_new_subdev' mangled-name='v4l2_i2c_new_subdev' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_i2c_new_subdev'>
+        <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='119' column='1'/>
+        <parameter type-id='b9af02c3' name='adapter' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='120' column='1'/>
+        <parameter type-id='80f4b756' name='client_type' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='121' column='1'/>
+        <parameter type-id='f9b06939' name='addr' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='122' column='1'/>
+        <parameter type-id='31347b7a' name='probe_addrs' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='123' column='1'/>
+        <return type-id='f5438ac7'/>
+      </function-decl>
+      <function-decl name='v4l2_i2c_subdev_init' mangled-name='v4l2_i2c_subdev_init' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_i2c_subdev_init'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='45' column='1'/>
+        <parameter type-id='3e31633b' name='client' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='45' column='1'/>
+        <parameter type-id='040770fb' name='ops' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='46' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_buf_queue' mangled-name='v4l2_m2m_buf_queue' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_buf_queue'>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1243' column='1'/>
+        <parameter type-id='9a42d4cd' name='vbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1244' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_buf_remove' mangled-name='v4l2_m2m_buf_remove' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_buf_remove'>
+        <parameter type-id='c8acc294' name='q_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='172' column='1'/>
+        <return type-id='9a42d4cd'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_ctx_init' mangled-name='v4l2_m2m_ctx_init' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ctx_init'>
+        <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1184' column='1'/>
+        <parameter type-id='eaa32e2f' name='drv_priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1185' column='1'/>
+        <parameter type-id='2291cc15' name='queue_init' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1186' column='1'/>
+        <return type-id='2c7f1dc4'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_ctx_release' mangled-name='v4l2_m2m_ctx_release' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ctx_release'>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1231' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_dqbuf' mangled-name='v4l2_m2m_dqbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='796' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_dqbuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='796' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='796' column='1'/>
+        <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='797' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_fop_mmap' mangled-name='v4l2_m2m_fop_mmap' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1563' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_fop_mmap'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1563' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1563' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_fop_poll' mangled-name='v4l2_m2m_fop_poll' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_fop_poll'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1571' column='1'/>
+        <parameter type-id='a54c778f' name='wait' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1571' column='1'/>
+        <return type-id='8f254b08'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_get_curr_priv' mangled-name='v4l2_m2m_get_curr_priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_get_curr_priv'>
+        <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='232' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_get_vq' mangled-name='v4l2_m2m_get_vq' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_get_vq'>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='123' column='1'/>
+        <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='124' column='1'/>
+        <return type-id='a05f1ecd'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_init' mangled-name='v4l2_m2m_init' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_init'>
+        <parameter type-id='22f8026c' name='m2m_ops' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1157' column='1'/>
+        <return type-id='b50ade7a'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_ioctl_dqbuf' mangled-name='v4l2_m2m_ioctl_dqbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_dqbuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1367' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1367' column='1'/>
+        <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1368' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_ioctl_querybuf' mangled-name='v4l2_m2m_ioctl_querybuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_querybuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1349' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1349' column='1'/>
+        <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1350' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_ioctl_reqbufs' mangled-name='v4l2_m2m_ioctl_reqbufs' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_reqbufs'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1331' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1331' column='1'/>
+        <parameter type-id='e4330308' name='rb' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1332' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_ioctl_streamoff' mangled-name='v4l2_m2m_ioctl_streamoff' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_streamoff'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1403' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1403' column='1'/>
+        <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1404' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_ioctl_streamon' mangled-name='v4l2_m2m_ioctl_streamon' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_streamon'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1394' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1394' column='1'/>
+        <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1395' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_job_finish' mangled-name='v4l2_m2m_job_finish' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_job_finish'>
+        <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='483' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='484' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_mmap' mangled-name='v4l2_m2m_mmap' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_mmap'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='972' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='972' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='973' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_next_buf' mangled-name='v4l2_m2m_next_buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_next_buf'>
+        <parameter type-id='c8acc294' name='q_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='136' column='1'/>
+        <return type-id='9a42d4cd'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_poll' mangled-name='v4l2_m2m_poll' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='950' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_poll'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='950' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='950' column='1'/>
+        <parameter type-id='f0acc909' name='wait' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='951' column='1'/>
+        <return type-id='8f254b08'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_qbuf' mangled-name='v4l2_m2m_qbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_qbuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='757' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='757' column='1'/>
+        <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='758' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_querybuf' mangled-name='v4l2_m2m_querybuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_querybuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='605' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='605' column='1'/>
+        <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='606' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_release' mangled-name='v4l2_m2m_release' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_release'>
+        <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1178' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_reqbufs' mangled-name='v4l2_m2m_reqbufs' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_reqbufs'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='571' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='571' column='1'/>
+        <parameter type-id='e4330308' name='reqbufs' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='572' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_streamoff' mangled-name='v4l2_m2m_streamoff' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_streamoff'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='868' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='868' column='1'/>
+        <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='869' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_streamon' mangled-name='v4l2_m2m_streamon' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_streamon'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='853' column='1'/>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='853' column='1'/>
+        <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='854' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_m2m_try_schedule' mangled-name='v4l2_m2m_try_schedule' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_try_schedule'>
+        <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='385' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_match_dv_timings' mangled-name='v4l2_match_dv_timings' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_match_dv_timings'>
+        <parameter type-id='4e30d787' name='t1' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='267' column='1'/>
+        <parameter type-id='4e30d787' name='t2' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='268' column='1'/>
+        <parameter type-id='f0981eeb' name='pclock_delta' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='269' column='1'/>
+        <parameter type-id='b50a4934' name='match_reduced_fps' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='269' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='v4l2_mc_create_media_graph' mangled-name='v4l2_mc_create_media_graph' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_mc_create_media_graph'>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='22' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_pipeline_link_notify' mangled-name='v4l2_pipeline_link_notify' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_pipeline_link_notify'>
+        <parameter type-id='b4de78ea' name='link' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='556' column='1'/>
+        <parameter type-id='19c2251e' name='flags' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='556' column='1'/>
+        <parameter type-id='f0981eeb' name='notification' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='557' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_pipeline_pm_get' mangled-name='v4l2_pipeline_pm_get' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_pipeline_pm_get'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='543' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_pipeline_pm_put' mangled-name='v4l2_pipeline_pm_put' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_pipeline_pm_put'>
+        <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='549' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_print_dv_timings' mangled-name='v4l2_print_dv_timings' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_print_dv_timings'>
+        <parameter type-id='80f4b756' name='dev_prefix' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='297' column='1'/>
+        <parameter type-id='80f4b756' name='prefix' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='297' column='1'/>
+        <parameter type-id='4e30d787' name='t' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='298' column='1'/>
+        <parameter type-id='b50a4934' name='detailed' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='298' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_querymenu' mangled-name='v4l2_querymenu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3446' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_querymenu'>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3446' column='1'/>
+        <parameter type-id='4394e2c1' name='qm' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3446' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_s_ctrl' mangled-name='v4l2_s_ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_s_ctrl'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4413' column='1'/>
+        <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4413' column='1'/>
+        <parameter type-id='bcd28457' name='control' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4414' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_simplify_fraction' mangled-name='v4l2_simplify_fraction' filepath='drivers/media/v4l2-core/v4l2-common.c' line='491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_simplify_fraction'>
+        <parameter type-id='f9409001' name='numerator' filepath='drivers/media/v4l2-core/v4l2-common.c' line='491' column='1'/>
+        <parameter type-id='f9409001' name='denominator' filepath='drivers/media/v4l2-core/v4l2-common.c' line='491' column='1'/>
+        <parameter type-id='f0981eeb' name='n_terms' filepath='drivers/media/v4l2-core/v4l2-common.c' line='492' column='1'/>
+        <parameter type-id='f0981eeb' name='threshold' filepath='drivers/media/v4l2-core/v4l2-common.c' line='492' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_src_change_event_subdev_subscribe' mangled-name='v4l2_src_change_event_subdev_subscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='351' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_src_change_event_subdev_subscribe'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-event.c' line='351' column='1'/>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='352' column='1'/>
+        <parameter type-id='8edac644' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='352' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_src_change_event_subscribe' mangled-name='v4l2_src_change_event_subscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_src_change_event_subscribe'>
+        <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='342' column='1'/>
+        <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='343' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='v4l2_subdev_call_wrappers' type-id='3a7813d3' mangled-name='v4l2_subdev_call_wrappers' visibility='default' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='350' column='1' elf-symbol-id='v4l2_subdev_call_wrappers'/>
+      <function-decl name='v4l2_subdev_init' mangled-name='v4l2_subdev_init' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='888' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_subdev_init'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='888' column='1'/>
+        <parameter type-id='040770fb' name='ops' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='888' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l2_subdev_link_validate' mangled-name='v4l2_subdev_link_validate' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_subdev_link_validate'>
+        <parameter type-id='b4de78ea' name='link' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='829' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='v4l2_subdev_notify_event' mangled-name='v4l2_subdev_notify_event' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='907' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_subdev_notify_event'>
+        <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='907' column='1'/>
+        <parameter type-id='52009e4b' name='ev' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='908' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='v4l2_type_names' type-id='35f5fc88' mangled-name='v4l2_type_names' visibility='default' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='189' column='1' elf-symbol-id='v4l2_type_names'/>
+      <function-decl name='v4l2_valid_dv_timings' mangled-name='v4l2_valid_dv_timings' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_valid_dv_timings'>
+        <parameter type-id='4e30d787' name='t' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='140' column='1'/>
+        <parameter type-id='5b555a0e' name='dvcap' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='141' column='1'/>
+        <parameter type-id='eb920ed7' name='fnc' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='142' column='1'/>
+        <parameter type-id='eaa32e2f' name='fnc_handle' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='143' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='v4l_bound_align_image' mangled-name='v4l_bound_align_image' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l_bound_align_image'>
+        <parameter type-id='f9409001' name='w' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1'/>
+        <parameter type-id='f0981eeb' name='wmin' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1'/>
+        <parameter type-id='f0981eeb' name='wmax' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1'/>
+        <parameter type-id='f0981eeb' name='walign' filepath='drivers/media/v4l2-core/v4l2-common.c' line='120' column='1'/>
+        <parameter type-id='f9409001' name='h' filepath='drivers/media/v4l2-core/v4l2-common.c' line='121' column='1'/>
+        <parameter type-id='f0981eeb' name='hmin' filepath='drivers/media/v4l2-core/v4l2-common.c' line='121' column='1'/>
+        <parameter type-id='f0981eeb' name='hmax' filepath='drivers/media/v4l2-core/v4l2-common.c' line='121' column='1'/>
+        <parameter type-id='f0981eeb' name='halign' filepath='drivers/media/v4l2-core/v4l2-common.c' line='122' column='1'/>
+        <parameter type-id='f0981eeb' name='salign' filepath='drivers/media/v4l2-core/v4l2-common.c' line='122' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l_disable_media_source' mangled-name='v4l_disable_media_source' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l_disable_media_source'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='289' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='v4l_enable_media_source' mangled-name='v4l_enable_media_source' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l_enable_media_source'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='269' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <var-decl name='vabits_actual' type-id='91ce1af9' mangled-name='vabits_actual' visibility='default' filepath='arch/arm64/mm/mmu.c' line='46' column='1' elf-symbol-id='vabits_actual'/>
+      <function-decl name='vb2_buffer_done' mangled-name='vb2_buffer_done' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1027' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_buffer_done'>
+        <parameter type-id='85535682' name='vb' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1027' column='1'/>
+        <parameter type-id='550876cf' name='state' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1027' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='vb2_common_vm_ops' type-id='92e9b57c' mangled-name='vb2_common_vm_ops' visibility='default' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='122' column='1' elf-symbol-id='vb2_common_vm_ops'/>
+      <function-decl name='vb2_create_framevec' mangled-name='vb2_create_framevec' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_create_framevec'>
+        <parameter type-id='7359adad' name='start' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='36' column='1'/>
+        <parameter type-id='7359adad' name='length' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='37' column='1'/>
+        <return type-id='d9fbdc06'/>
+      </function-decl>
+      <function-decl name='vb2_destroy_framevec' mangled-name='vb2_destroy_framevec' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_destroy_framevec'>
+        <parameter type-id='d9fbdc06' name='vec' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='75' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='vb2_dma_contig_memops' type-id='23cb2797' mangled-name='vb2_dma_contig_memops' visibility='default' filepath='drivers/media/common/videobuf2/videobuf2-dma-contig.c' line='692' column='1' elf-symbol-id='vb2_dma_contig_memops'/>
+      <var-decl name='vb2_dma_sg_memops' type-id='23cb2797' mangled-name='vb2_dma_sg_memops' visibility='default' filepath='drivers/media/common/videobuf2/videobuf2-dma-sg.c' line='640' column='1' elf-symbol-id='vb2_dma_sg_memops'/>
+      <function-decl name='vb2_dqbuf' mangled-name='vb2_dqbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_dqbuf'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1'/>
+        <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1'/>
+        <parameter type-id='b50a4934' name='nonblocking' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_fop_mmap' mangled-name='vb2_fop_mmap' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_mmap'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1101' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1101' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_fop_poll' mangled-name='vb2_fop_poll' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_poll'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1182' column='1'/>
+        <parameter type-id='a54c778f' name='wait' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1182' column='1'/>
+        <return type-id='8f254b08'/>
+      </function-decl>
+      <function-decl name='vb2_fop_read' mangled-name='vb2_fop_read' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1158' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_read'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1158' column='1'/>
+        <parameter type-id='26a90f95' name='buf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1158' column='1'/>
+        <parameter type-id='b59d7dce' name='count' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1159' column='1'/>
+        <parameter type-id='b53e8dbb' name='ppos' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1159' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='vb2_fop_release' mangled-name='vb2_fop_release' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_release'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1125' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_create_bufs' mangled-name='vb2_ioctl_create_bufs' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1002' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_create_bufs'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1002' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1002' column='1'/>
+        <parameter type-id='0bb617a4' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1003' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_dqbuf' mangled-name='vb2_ioctl_dqbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_dqbuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1'/>
+        <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_expbuf' mangled-name='vb2_ioctl_expbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_expbuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1'/>
+        <parameter type-id='5606e640' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_prepare_buf' mangled-name='vb2_ioctl_prepare_buf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_prepare_buf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1029' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1029' column='1'/>
+        <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1030' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_qbuf' mangled-name='vb2_ioctl_qbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_qbuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1'/>
+        <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_querybuf' mangled-name='vb2_ioctl_querybuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_querybuf'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1'/>
+        <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_reqbufs' mangled-name='vb2_ioctl_reqbufs' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='982' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_reqbufs'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='982' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='982' column='1'/>
+        <parameter type-id='e4330308' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='983' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_streamoff' mangled-name='vb2_ioctl_streamoff' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_streamoff'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1'/>
+        <parameter type-id='1abf108f' name='i' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ioctl_streamon' mangled-name='vb2_ioctl_streamon' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_streamon'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1'/>
+        <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1'/>
+        <parameter type-id='1abf108f' name='i' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_mmap' mangled-name='vb2_mmap' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_mmap'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2265' column='1'/>
+        <parameter type-id='2ae08426' name='vma' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2265' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_ops_wait_finish' mangled-name='vb2_ops_wait_finish' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ops_wait_finish'>
+        <parameter type-id='a05f1ecd' name='vq' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1269' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vb2_ops_wait_prepare' mangled-name='vb2_ops_wait_prepare' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ops_wait_prepare'>
+        <parameter type-id='a05f1ecd' name='vq' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1263' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vb2_plane_cookie' mangled-name='vb2_plane_cookie' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1018' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_plane_cookie'>
+        <parameter type-id='85535682' name='vb' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1018' column='1'/>
+        <parameter type-id='f0981eeb' name='plane_no' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1018' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vb2_plane_vaddr' mangled-name='vb2_plane_vaddr' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1008' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_plane_vaddr'>
+        <parameter type-id='85535682' name='vb' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1008' column='1'/>
+        <parameter type-id='f0981eeb' name='plane_no' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1008' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vb2_poll' mangled-name='vb2_poll' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_poll'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1'/>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1'/>
+        <parameter type-id='a54c778f' name='wait' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1'/>
+        <return type-id='8f254b08'/>
+      </function-decl>
+      <function-decl name='vb2_prepare_buf' mangled-name='vb2_prepare_buf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='734' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_prepare_buf'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='734' column='1'/>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='734' column='1'/>
+        <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='735' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_qbuf' mangled-name='vb2_qbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='811' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_qbuf'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='811' column='1'/>
+        <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='811' column='1'/>
+        <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='812' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_querybuf' mangled-name='vb2_querybuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_querybuf'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='684' column='1'/>
+        <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='684' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_queue_init' mangled-name='vb2_queue_init' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_queue_init'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='935' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_queue_release' mangled-name='vb2_queue_release' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='941' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_queue_release'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='941' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vb2_reqbufs' mangled-name='vb2_reqbufs' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='725' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_reqbufs'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='725' column='1'/>
+        <parameter type-id='e4330308' name='req' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='725' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_streamoff' mangled-name='vb2_streamoff' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='873' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_streamoff'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='873' column='1'/>
+        <parameter type-id='1abf108f' name='type' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='873' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_streamon' mangled-name='vb2_streamon' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='863' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_streamon'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='863' column='1'/>
+        <parameter type-id='1abf108f' name='type' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='863' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vb2_video_unregister_device' mangled-name='vb2_video_unregister_device' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_video_unregister_device'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1223' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <var-decl name='vb2_vmalloc_memops' type-id='23cb2797' mangled-name='vb2_vmalloc_memops' visibility='default' filepath='drivers/media/common/videobuf2/videobuf2-vmalloc.c' line='417' column='1' elf-symbol-id='vb2_vmalloc_memops'/>
+      <function-decl name='vb2_wait_for_all_buffers' mangled-name='vb2_wait_for_all_buffers' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_wait_for_all_buffers'>
+        <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1881' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vchan_dma_desc_free_list' mangled-name='vchan_dma_desc_free_list' filepath='drivers/dma/virt-dma.c' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_dma_desc_free_list'>
+        <parameter type-id='6c3dd54a' name='vc' filepath='drivers/dma/virt-dma.c' line='112' column='1'/>
+        <parameter type-id='e84b031a' name='head' filepath='drivers/dma/virt-dma.c' line='112' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vchan_find_desc' mangled-name='vchan_find_desc' filepath='drivers/dma/virt-dma.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_find_desc'>
+        <parameter type-id='6c3dd54a' name='vc' filepath='drivers/dma/virt-dma.c' line='66' column='1'/>
+        <parameter type-id='6478ea0a' name='cookie' filepath='drivers/dma/virt-dma.c' line='67' column='1'/>
+        <return type-id='5264cf1d'/>
+      </function-decl>
+      <function-decl name='vchan_init' mangled-name='vchan_init' filepath='drivers/dma/virt-dma.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_init'>
+        <parameter type-id='6c3dd54a' name='vc' filepath='drivers/dma/virt-dma.c' line='123' column='1'/>
+        <parameter type-id='c60ba652' name='dmadev' filepath='drivers/dma/virt-dma.c' line='123' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vchan_tx_desc_free' mangled-name='vchan_tx_desc_free' filepath='drivers/dma/virt-dma.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_tx_desc_free'>
+        <parameter type-id='0e3f80d9' name='tx' filepath='drivers/dma/virt-dma.c' line='49' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vchan_tx_submit' mangled-name='vchan_tx_submit' filepath='drivers/dma/virt-dma.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_tx_submit'>
+        <parameter type-id='0e3f80d9' name='tx' filepath='drivers/dma/virt-dma.c' line='19' column='1'/>
+        <return type-id='6478ea0a'/>
+      </function-decl>
+      <function-decl name='vfree' mangled-name='vfree' filepath='mm/vmalloc.c' line='2369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfree'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='mm/vmalloc.c' line='2369' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vfs_fsync' mangled-name='vfs_fsync' filepath='fs/sync.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfs_fsync'>
+        <parameter type-id='77e79a4b' name='file' filepath='fs/sync.c' line='214' column='1'/>
+        <parameter type-id='95e97e5e' name='datasync' filepath='fs/sync.c' line='214' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='video_devdata' mangled-name='video_devdata' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_devdata'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='234' column='1'/>
+        <return type-id='798c29b7'/>
+      </function-decl>
+      <function-decl name='video_device_alloc' mangled-name='video_device_alloc' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_device_alloc'>
+        <return type-id='798c29b7'/>
+      </function-decl>
+      <function-decl name='video_device_release' mangled-name='video_device_release' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_device_release'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='150' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='video_device_release_empty' mangled-name='video_device_release_empty' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_device_release_empty'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='156' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='video_ioctl2' mangled-name='video_ioctl2' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_ioctl2'>
+        <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3373' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3374' column='1'/>
+        <parameter type-id='7359adad' name='arg' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3374' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='video_unregister_device' mangled-name='video_unregister_device' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='1077' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_unregister_device'>
+        <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='1077' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='videomode_from_timing' mangled-name='videomode_from_timing' filepath='drivers/video/videomode.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='videomode_from_timing'>
+        <parameter type-id='911a5831' name='dt' filepath='drivers/video/videomode.c' line='13' column='1'/>
+        <parameter type-id='83e7c23f' name='vm' filepath='drivers/video/videomode.c' line='14' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='videomode_from_timings' mangled-name='videomode_from_timings' filepath='drivers/video/videomode.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='videomode_from_timings'>
+        <parameter type-id='0e289f54' name='disp' filepath='drivers/video/videomode.c' line='31' column='1'/>
+        <parameter type-id='83e7c23f' name='vm' filepath='drivers/video/videomode.c' line='32' column='1'/>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/video/videomode.c' line='32' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_break_device' mangled-name='virtio_break_device' filepath='drivers/virtio/virtio_ring.c' line='2376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_break_device'>
+        <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio_ring.c' line='2376' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_check_driver_offered_feature' mangled-name='virtio_check_driver_offered_feature' filepath='drivers/virtio/virtio.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_check_driver_offered_feature'>
+        <parameter type-id='b8574f7c' name='vdev' filepath='drivers/virtio/virtio.c' line='104' column='1'/>
+        <parameter type-id='f0981eeb' name='fbit' filepath='drivers/virtio/virtio.c' line='105' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_config_changed' mangled-name='virtio_config_changed' filepath='drivers/virtio/virtio.c' line='134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_config_changed'>
+        <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='134' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_device_freeze' mangled-name='virtio_device_freeze' filepath='drivers/virtio/virtio.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_device_freeze'>
+        <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='403' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_device_restore' mangled-name='virtio_device_restore' filepath='drivers/virtio/virtio.c' line='418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_device_restore'>
+        <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='418' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_max_dma_size' mangled-name='virtio_max_dma_size' filepath='drivers/virtio/virtio_ring.c' line='262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_max_dma_size'>
+        <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='262' column='1'/>
+        <return type-id='b59d7dce'/>
+      </function-decl>
+      <function-decl name='virtio_transport_connect' mangled-name='virtio_transport_connect' filepath='net/vmw_vsock/virtio_transport_common.c' line='627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_connect'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='627' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_deliver_tap_pkt' mangled-name='virtio_transport_deliver_tap_pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_deliver_tap_pkt'>
+        <parameter type-id='ac22ee2f' name='pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='162' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_destruct' mangled-name='virtio_transport_destruct' filepath='net/vmw_vsock/virtio_transport_common.c' line='682' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_destruct'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='682' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_dgram_allow' mangled-name='virtio_transport_dgram_allow' filepath='net/vmw_vsock/virtio_transport_common.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_allow'>
+        <parameter type-id='19c2251e' name='cid' filepath='net/vmw_vsock/virtio_transport_common.c' line='621' column='1'/>
+        <parameter type-id='19c2251e' name='port' filepath='net/vmw_vsock/virtio_transport_common.c' line='621' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtio_transport_dgram_bind' mangled-name='virtio_transport_dgram_bind' filepath='net/vmw_vsock/virtio_transport_common.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_bind'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='614' column='1'/>
+        <parameter type-id='b6a6ca60' name='addr' filepath='net/vmw_vsock/virtio_transport_common.c' line='615' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_dgram_dequeue' mangled-name='virtio_transport_dgram_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_dequeue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='417' column='1'/>
+        <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='418' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/vmw_vsock/virtio_transport_common.c' line='419' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/vmw_vsock/virtio_transport_common.c' line='419' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_dgram_enqueue' mangled-name='virtio_transport_dgram_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_enqueue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='656' column='1'/>
+        <parameter type-id='b6a6ca60' name='remote_addr' filepath='net/vmw_vsock/virtio_transport_common.c' line='657' column='1'/>
+        <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='658' column='1'/>
+        <parameter type-id='b59d7dce' name='dgram_len' filepath='net/vmw_vsock/virtio_transport_common.c' line='659' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_do_socket_init' mangled-name='virtio_transport_do_socket_init' filepath='net/vmw_vsock/virtio_transport_common.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_do_socket_init'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='463' column='1'/>
+        <parameter type-id='ecb0ce18' name='psk' filepath='net/vmw_vsock/virtio_transport_common.c' line='464' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_free_pkt' mangled-name='virtio_transport_free_pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1201' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_free_pkt'>
+        <parameter type-id='ac22ee2f' name='pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1201' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_buffer_size' mangled-name='virtio_transport_notify_buffer_size' filepath='net/vmw_vsock/virtio_transport_common.c' line='494' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_buffer_size'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='494' column='1'/>
+        <parameter type-id='3df9fd28' name='val' filepath='net/vmw_vsock/virtio_transport_common.c' line='494' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_poll_in' mangled-name='virtio_transport_notify_poll_in' filepath='net/vmw_vsock/virtio_transport_common.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_poll_in'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='509' column='1'/>
+        <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='510' column='1'/>
+        <parameter type-id='d8e6b335' name='data_ready_now' filepath='net/vmw_vsock/virtio_transport_common.c' line='511' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_poll_out' mangled-name='virtio_transport_notify_poll_out' filepath='net/vmw_vsock/virtio_transport_common.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_poll_out'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='523' column='1'/>
+        <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='524' column='1'/>
+        <parameter type-id='d8e6b335' name='space_avail_now' filepath='net/vmw_vsock/virtio_transport_common.c' line='525' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_recv_init' mangled-name='virtio_transport_notify_recv_init' filepath='net/vmw_vsock/virtio_transport_common.c' line='539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_init'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='539' column='1'/>
+        <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='540' column='1'/>
+        <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='540' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_recv_post_dequeue' mangled-name='virtio_transport_notify_recv_post_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='560' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_post_dequeue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='560' column='1'/>
+        <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='561' column='1'/>
+        <parameter type-id='79a0948f' name='copied' filepath='net/vmw_vsock/virtio_transport_common.c' line='561' column='1'/>
+        <parameter type-id='b50a4934' name='data_read' filepath='net/vmw_vsock/virtio_transport_common.c' line='561' column='1'/>
+        <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='562' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_recv_pre_block' mangled-name='virtio_transport_notify_recv_pre_block' filepath='net/vmw_vsock/virtio_transport_common.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_pre_block'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='546' column='1'/>
+        <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='547' column='1'/>
+        <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='547' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_recv_pre_dequeue' mangled-name='virtio_transport_notify_recv_pre_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_pre_dequeue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='553' column='1'/>
+        <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='554' column='1'/>
+        <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='554' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_send_init' mangled-name='virtio_transport_notify_send_init' filepath='net/vmw_vsock/virtio_transport_common.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_init'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='568' column='1'/>
+        <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='569' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_send_post_enqueue' mangled-name='virtio_transport_notify_send_post_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_post_enqueue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='589' column='1'/>
+        <parameter type-id='79a0948f' name='written' filepath='net/vmw_vsock/virtio_transport_common.c' line='590' column='1'/>
+        <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='590' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_send_pre_block' mangled-name='virtio_transport_notify_send_pre_block' filepath='net/vmw_vsock/virtio_transport_common.c' line='575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_pre_block'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='575' column='1'/>
+        <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='576' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_notify_send_pre_enqueue' mangled-name='virtio_transport_notify_send_pre_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_pre_enqueue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='582' column='1'/>
+        <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='583' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_recv_pkt' mangled-name='virtio_transport_recv_pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_recv_pkt'>
+        <parameter type-id='2bfa174e' name='t' filepath='net/vmw_vsock/virtio_transport_common.c' line='1106' column='1'/>
+        <parameter type-id='ac22ee2f' name='pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1107' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_release' mangled-name='virtio_transport_release' filepath='net/vmw_vsock/virtio_transport_common.c' line='850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_release'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='850' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_shutdown' mangled-name='virtio_transport_shutdown' filepath='net/vmw_vsock/virtio_transport_common.c' line='639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_shutdown'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='639' column='1'/>
+        <parameter type-id='95e97e5e' name='mode' filepath='net/vmw_vsock/virtio_transport_common.c' line='639' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtio_transport_stream_allow' mangled-name='virtio_transport_stream_allow' filepath='net/vmw_vsock/virtio_transport_common.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_allow'>
+        <parameter type-id='19c2251e' name='cid' filepath='net/vmw_vsock/virtio_transport_common.c' line='608' column='1'/>
+        <parameter type-id='19c2251e' name='port' filepath='net/vmw_vsock/virtio_transport_common.c' line='608' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtio_transport_stream_dequeue' mangled-name='virtio_transport_stream_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_dequeue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='405' column='1'/>
+        <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='406' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/vmw_vsock/virtio_transport_common.c' line='407' column='1'/>
+        <parameter type-id='95e97e5e' name='flags' filepath='net/vmw_vsock/virtio_transport_common.c' line='407' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_stream_enqueue' mangled-name='virtio_transport_stream_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_enqueue'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='666' column='1'/>
+        <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='667' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='net/vmw_vsock/virtio_transport_common.c' line='668' column='1'/>
+        <return type-id='79a0948f'/>
+      </function-decl>
+      <function-decl name='virtio_transport_stream_has_data' mangled-name='virtio_transport_stream_has_data' filepath='net/vmw_vsock/virtio_transport_common.c' line='425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_has_data'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='425' column='1'/>
+        <return type-id='9b7c55ef'/>
+      </function-decl>
+      <function-decl name='virtio_transport_stream_has_space' mangled-name='virtio_transport_stream_has_space' filepath='net/vmw_vsock/virtio_transport_common.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_has_space'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='450' column='1'/>
+        <return type-id='9b7c55ef'/>
+      </function-decl>
+      <function-decl name='virtio_transport_stream_is_active' mangled-name='virtio_transport_stream_is_active' filepath='net/vmw_vsock/virtio_transport_common.c' line='602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_is_active'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='602' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtio_transport_stream_rcvhiwat' mangled-name='virtio_transport_stream_rcvhiwat' filepath='net/vmw_vsock/virtio_transport_common.c' line='596' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_rcvhiwat'>
+        <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='596' column='1'/>
+        <return type-id='91ce1af9'/>
+      </function-decl>
+      <function-decl name='virtqueue_add_inbuf' mangled-name='virtqueue_add_inbuf' filepath='drivers/virtio/virtio_ring.c' line='1872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_inbuf'>
+        <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1872' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='drivers/virtio/virtio_ring.c' line='1873' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='1873' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1874' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1875' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtqueue_add_inbuf_ctx' mangled-name='virtqueue_add_inbuf_ctx' filepath='drivers/virtio/virtio_ring.c' line='1895' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_inbuf_ctx'>
+        <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1895' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='drivers/virtio/virtio_ring.c' line='1896' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='1896' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1897' column='1'/>
+        <parameter type-id='eaa32e2f' name='ctx' filepath='drivers/virtio/virtio_ring.c' line='1898' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1899' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtqueue_add_outbuf' mangled-name='virtqueue_add_outbuf' filepath='drivers/virtio/virtio_ring.c' line='1850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_outbuf'>
+        <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1850' column='1'/>
+        <parameter type-id='bf3ef905' name='sg' filepath='drivers/virtio/virtio_ring.c' line='1851' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='1851' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1852' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1853' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtqueue_add_sgs' mangled-name='virtqueue_add_sgs' filepath='drivers/virtio/virtio_ring.c' line='1816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_sgs'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1816' column='1'/>
+        <parameter type-id='3f2244fd' name='sgs' filepath='drivers/virtio/virtio_ring.c' line='1817' column='1'/>
+        <parameter type-id='f0981eeb' name='out_sgs' filepath='drivers/virtio/virtio_ring.c' line='1818' column='1'/>
+        <parameter type-id='f0981eeb' name='in_sgs' filepath='drivers/virtio/virtio_ring.c' line='1819' column='1'/>
+        <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1820' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1821' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='virtqueue_detach_unused_buf' mangled-name='virtqueue_detach_unused_buf' filepath='drivers/virtio/virtio_ring.c' line='2113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_detach_unused_buf'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2113' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='virtqueue_disable_cb' mangled-name='virtqueue_disable_cb' filepath='drivers/virtio/virtio_ring.c' line='2010' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_disable_cb'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2010' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='virtqueue_enable_cb' mangled-name='virtqueue_enable_cb' filepath='drivers/virtio/virtio_ring.c' line='2075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_enable_cb'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2075' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtqueue_enable_cb_delayed' mangled-name='virtqueue_enable_cb_delayed' filepath='drivers/virtio/virtio_ring.c' line='2096' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_enable_cb_delayed'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2096' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtqueue_enable_cb_prepare' mangled-name='virtqueue_enable_cb_prepare' filepath='drivers/virtio/virtio_ring.c' line='2033' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_enable_cb_prepare'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2033' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='virtqueue_get_avail_addr' mangled-name='virtqueue_get_avail_addr' filepath='drivers/virtio/virtio_ring.c' line='2404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_avail_addr'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2404' column='1'/>
+        <return type-id='cf29c9b3'/>
+      </function-decl>
+      <function-decl name='virtqueue_get_buf' mangled-name='virtqueue_get_buf' filepath='drivers/virtio/virtio_ring.c' line='1996' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_buf'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1996' column='1'/>
+        <parameter type-id='807869d3' name='len' filepath='drivers/virtio/virtio_ring.c' line='1996' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='virtqueue_get_buf_ctx' mangled-name='virtqueue_get_buf_ctx' filepath='drivers/virtio/virtio_ring.c' line='1986' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_buf_ctx'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1986' column='1'/>
+        <parameter type-id='807869d3' name='len' filepath='drivers/virtio/virtio_ring.c' line='1986' column='1'/>
+        <parameter type-id='63e171df' name='ctx' filepath='drivers/virtio/virtio_ring.c' line='1987' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='virtqueue_get_desc_addr' mangled-name='virtqueue_get_desc_addr' filepath='drivers/virtio/virtio_ring.c' line='2391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_desc_addr'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2391' column='1'/>
+        <return type-id='cf29c9b3'/>
+      </function-decl>
+      <function-decl name='virtqueue_get_used_addr' mangled-name='virtqueue_get_used_addr' filepath='drivers/virtio/virtio_ring.c' line='2418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_used_addr'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2418' column='1'/>
+        <return type-id='cf29c9b3'/>
+      </function-decl>
+      <function-decl name='virtqueue_get_vring_size' mangled-name='virtqueue_get_vring_size' filepath='drivers/virtio/virtio_ring.c' line='2355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_vring_size'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2355' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='virtqueue_is_broken' mangled-name='virtqueue_is_broken' filepath='drivers/virtio/virtio_ring.c' line='2364' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_is_broken'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2364' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtqueue_kick' mangled-name='virtqueue_kick' filepath='drivers/virtio/virtio_ring.c' line='1961' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_kick'>
+        <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1961' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtqueue_kick_prepare' mangled-name='virtqueue_kick_prepare' filepath='drivers/virtio/virtio_ring.c' line='1916' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_kick_prepare'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1916' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtqueue_notify' mangled-name='virtqueue_notify' filepath='drivers/virtio/virtio_ring.c' line='1933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_notify'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1933' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='virtqueue_poll' mangled-name='virtqueue_poll' filepath='drivers/virtio/virtio_ring.c' line='2051' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_poll'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2051' column='1'/>
+        <parameter type-id='f0981eeb' name='last_used_idx' filepath='drivers/virtio/virtio_ring.c' line='2051' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='vlan_uses_dev' mangled-name='vlan_uses_dev' filepath='net/8021q/vlan_core.c' line='443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vlan_uses_dev'>
+        <parameter type-id='2ce52478' name='dev' filepath='net/8021q/vlan_core.c' line='443' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='vlan_vid_add' mangled-name='vlan_vid_add' filepath='net/8021q/vlan_core.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vlan_vid_add'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/8021q/vlan_core.c' line='317' column='1'/>
+        <parameter type-id='84a5c3d4' name='proto' filepath='net/8021q/vlan_core.c' line='317' column='1'/>
+        <parameter type-id='1dc6a898' name='vid' filepath='net/8021q/vlan_core.c' line='317' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vlan_vid_del' mangled-name='vlan_vid_del' filepath='net/8021q/vlan_core.c' line='370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vlan_vid_del'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/8021q/vlan_core.c' line='370' column='1'/>
+        <parameter type-id='84a5c3d4' name='proto' filepath='net/8021q/vlan_core.c' line='370' column='1'/>
+        <parameter type-id='1dc6a898' name='vid' filepath='net/8021q/vlan_core.c' line='370' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vlan_vids_add_by_dev' mangled-name='vlan_vids_add_by_dev' filepath='net/8021q/vlan_core.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vlan_vids_add_by_dev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/8021q/vlan_core.c' line='395' column='1'/>
+        <parameter type-id='2ce52478' name='by_dev' filepath='net/8021q/vlan_core.c' line='396' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vlan_vids_del_by_dev' mangled-name='vlan_vids_del_by_dev' filepath='net/8021q/vlan_core.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vlan_vids_del_by_dev'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/8021q/vlan_core.c' line='426' column='1'/>
+        <parameter type-id='2ce52478' name='by_dev' filepath='net/8021q/vlan_core.c' line='427' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vm_get_page_prot' mangled-name='vm_get_page_prot' filepath='mm/mmap.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_get_page_prot'>
+        <parameter type-id='7359adad' name='vm_flags' filepath='mm/mmap.c' line='111' column='1'/>
+        <return type-id='2e2dcbd3'/>
+      </function-decl>
+      <function-decl name='vm_insert_page' mangled-name='vm_insert_page' filepath='mm/memory.c' line='1887' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_insert_page'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='1887' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='1887' column='1'/>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/memory.c' line='1888' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vm_iomap_memory' mangled-name='vm_iomap_memory' filepath='mm/memory.c' line='2413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_iomap_memory'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2413' column='1'/>
+        <parameter type-id='2522883d' name='start' filepath='mm/memory.c' line='2413' column='1'/>
+        <parameter type-id='7359adad' name='len' filepath='mm/memory.c' line='2413' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vm_map_pages' mangled-name='vm_map_pages' filepath='mm/memory.c' line='1957' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_map_pages'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='1957' column='1'/>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/memory.c' line='1957' column='1'/>
+        <parameter type-id='7359adad' name='num' filepath='mm/memory.c' line='1958' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vm_map_ram' mangled-name='vm_map_ram' filepath='mm/vmalloc.c' line='1847' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_map_ram'>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/vmalloc.c' line='1847' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='mm/vmalloc.c' line='1847' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='mm/vmalloc.c' line='1847' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vm_mmap' mangled-name='vm_mmap' filepath='mm/util.c' line='554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_mmap'>
+        <parameter type-id='77e79a4b' name='file' filepath='mm/util.c' line='554' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/util.c' line='554' column='1'/>
+        <parameter type-id='7359adad' name='len' filepath='mm/util.c' line='555' column='1'/>
+        <parameter type-id='7359adad' name='prot' filepath='mm/util.c' line='555' column='1'/>
+        <parameter type-id='7359adad' name='flag' filepath='mm/util.c' line='556' column='1'/>
+        <parameter type-id='7359adad' name='offset' filepath='mm/util.c' line='556' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='vm_unmap_ram' mangled-name='vm_unmap_ram' filepath='mm/vmalloc.c' line='1805' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_unmap_ram'>
+        <parameter type-id='eaa32e2f' name='mem' filepath='mm/vmalloc.c' line='1805' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='mm/vmalloc.c' line='1805' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vmalloc' mangled-name='vmalloc' filepath='mm/vmalloc.c' line='2713' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc'>
+        <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2713' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vmalloc_to_page' mangled-name='vmalloc_to_page' filepath='mm/vmalloc.c' line='350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc_to_page'>
+        <parameter type-id='eaa32e2f' name='vmalloc_addr' filepath='mm/vmalloc.c' line='350' column='1'/>
+        <return type-id='02f11ed4'/>
+      </function-decl>
+      <function-decl name='vmalloc_to_pfn' mangled-name='vmalloc_to_pfn' filepath='mm/vmalloc.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc_to_pfn'>
+        <parameter type-id='eaa32e2f' name='vmalloc_addr' filepath='mm/vmalloc.c' line='401' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='vmalloc_user' mangled-name='vmalloc_user' filepath='mm/vmalloc.c' line='2749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc_user'>
+        <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2749' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vmap' mangled-name='vmap' filepath='mm/vmalloc.c' line='2417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmap'>
+        <parameter type-id='9f93c9da' name='pages' filepath='mm/vmalloc.c' line='2417' column='1'/>
+        <parameter type-id='f0981eeb' name='count' filepath='mm/vmalloc.c' line='2417' column='1'/>
+        <parameter type-id='7359adad' name='flags' filepath='mm/vmalloc.c' line='2418' column='1'/>
+        <parameter type-id='2e2dcbd3' name='prot' filepath='mm/vmalloc.c' line='2418' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vmemdup_user' mangled-name='vmemdup_user' filepath='mm/util.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmemdup_user'>
+        <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='198' column='1'/>
+        <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='198' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vmf_insert_mixed' mangled-name='vmf_insert_mixed' filepath='mm/memory.c' line='2207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmf_insert_mixed'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2207' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2207' column='1'/>
+        <parameter type-id='abe59ef3' name='pfn' filepath='mm/memory.c' line='2208' column='1'/>
+        <return type-id='e9265215'/>
+      </function-decl>
+      <function-decl name='vmf_insert_pfn' mangled-name='vmf_insert_pfn' filepath='mm/memory.c' line='2107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmf_insert_pfn'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2107' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2107' column='1'/>
+        <parameter type-id='7359adad' name='pfn' filepath='mm/memory.c' line='2108' column='1'/>
+        <return type-id='e9265215'/>
+      </function-decl>
+      <function-decl name='vmf_insert_pfn_prot' mangled-name='vmf_insert_pfn_prot' filepath='mm/memory.c' line='2059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmf_insert_pfn_prot'>
+        <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2059' column='1'/>
+        <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2059' column='1'/>
+        <parameter type-id='7359adad' name='pfn' filepath='mm/memory.c' line='2060' column='1'/>
+        <parameter type-id='2e2dcbd3' name='pgprot' filepath='mm/memory.c' line='2060' column='1'/>
+        <return type-id='e9265215'/>
+      </function-decl>
+      <function-decl name='vprintk' mangled-name='vprintk' filepath='kernel/printk/printk.c' line='2072' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vprintk'>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='2072' column='1'/>
+        <parameter type-id='2aee9912' name='args' filepath='kernel/printk/printk.c' line='2072' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vprintk_emit' mangled-name='vprintk_emit' filepath='kernel/printk/printk.c' line='2024' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vprintk_emit'>
+        <parameter type-id='95e97e5e' name='facility' filepath='kernel/printk/printk.c' line='2024' column='1'/>
+        <parameter type-id='95e97e5e' name='level' filepath='kernel/printk/printk.c' line='2024' column='1'/>
+        <parameter type-id='da8b7bcd' name='dev_info' filepath='kernel/printk/printk.c' line='2025' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='2026' column='1'/>
+        <parameter type-id='2aee9912' name='args' filepath='kernel/printk/printk.c' line='2026' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vring_create_virtqueue' mangled-name='vring_create_virtqueue' filepath='drivers/virtio/virtio_ring.c' line='2233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_create_virtqueue'>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/virtio/virtio_ring.c' line='2234' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='2235' column='1'/>
+        <parameter type-id='f0981eeb' name='vring_align' filepath='drivers/virtio/virtio_ring.c' line='2236' column='1'/>
+        <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='2237' column='1'/>
+        <parameter type-id='b50a4934' name='weak_barriers' filepath='drivers/virtio/virtio_ring.c' line='2238' column='1'/>
+        <parameter type-id='b50a4934' name='may_reduce_num' filepath='drivers/virtio/virtio_ring.c' line='2239' column='1'/>
+        <parameter type-id='b50a4934' name='context' filepath='drivers/virtio/virtio_ring.c' line='2240' column='1'/>
+        <parameter type-id='3098d84b' name='notify' filepath='drivers/virtio/virtio_ring.c' line='2241' column='1'/>
+        <parameter type-id='c881e0a0' name='callback' filepath='drivers/virtio/virtio_ring.c' line='2242' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/virtio/virtio_ring.c' line='2243' column='1'/>
+        <return type-id='91d0de51'/>
+      </function-decl>
+      <function-decl name='vring_del_virtqueue' mangled-name='vring_del_virtqueue' filepath='drivers/virtio/virtio_ring.c' line='2280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_del_virtqueue'>
+        <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2280' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vring_interrupt' mangled-name='vring_interrupt' filepath='drivers/virtio/virtio_ring.c' line='2127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_interrupt'>
+        <parameter type-id='95e97e5e' name='irq' filepath='drivers/virtio/virtio_ring.c' line='2127' column='1'/>
+        <parameter type-id='eaa32e2f' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2127' column='1'/>
+        <return type-id='4bdecfd7'/>
+      </function-decl>
+      <function-decl name='vring_new_virtqueue' mangled-name='vring_new_virtqueue' filepath='drivers/virtio/virtio_ring.c' line='2258' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_new_virtqueue'>
+        <parameter type-id='f0981eeb' name='index' filepath='drivers/virtio/virtio_ring.c' line='2258' column='1'/>
+        <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='2259' column='1'/>
+        <parameter type-id='f0981eeb' name='vring_align' filepath='drivers/virtio/virtio_ring.c' line='2260' column='1'/>
+        <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='2261' column='1'/>
+        <parameter type-id='b50a4934' name='weak_barriers' filepath='drivers/virtio/virtio_ring.c' line='2262' column='1'/>
+        <parameter type-id='b50a4934' name='context' filepath='drivers/virtio/virtio_ring.c' line='2263' column='1'/>
+        <parameter type-id='eaa32e2f' name='pages' filepath='drivers/virtio/virtio_ring.c' line='2264' column='1'/>
+        <parameter type-id='3098d84b' name='notify' filepath='drivers/virtio/virtio_ring.c' line='2265' column='1'/>
+        <parameter type-id='c881e0a0' name='callback' filepath='drivers/virtio/virtio_ring.c' line='2266' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/virtio/virtio_ring.c' line='2267' column='1'/>
+        <return type-id='91d0de51'/>
+      </function-decl>
+      <function-decl name='vring_transport_features' mangled-name='vring_transport_features' filepath='drivers/virtio/virtio_ring.c' line='2322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_transport_features'>
+        <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='2322' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vscnprintf' mangled-name='vscnprintf' filepath='lib/vsprintf.c' line='2783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vscnprintf'>
+        <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2783' column='1'/>
+        <parameter type-id='b59d7dce' name='size' filepath='lib/vsprintf.c' line='2783' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2783' column='1'/>
+        <parameter type-id='2aee9912' name='args' filepath='lib/vsprintf.c' line='2783' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vsnprintf' mangled-name='vsnprintf' filepath='include/linux/kernel.h' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsnprintf'>
+        <parameter type-id='26a90f95'/>
+        <parameter type-id='b59d7dce'/>
+        <parameter type-id='80f4b756'/>
+        <parameter type-id='2aee9912'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vsock_core_register' mangled-name='vsock_core_register' filepath='net/vmw_vsock/af_vsock.c' line='2178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_core_register'>
+        <parameter type-id='c6c5bd96' name='t' filepath='net/vmw_vsock/af_vsock.c' line='2178' column='1'/>
+        <parameter type-id='95e97e5e' name='features' filepath='net/vmw_vsock/af_vsock.c' line='2178' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vsock_core_unregister' mangled-name='vsock_core_unregister' filepath='net/vmw_vsock/af_vsock.c' line='2234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_core_unregister'>
+        <parameter type-id='c6c5bd96' name='t' filepath='net/vmw_vsock/af_vsock.c' line='2234' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vsock_for_each_connected_socket' mangled-name='vsock_for_each_connected_socket' filepath='net/vmw_vsock/af_vsock.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_for_each_connected_socket'>
+        <parameter type-id='841969d0' name='fn' filepath='net/vmw_vsock/af_vsock.c' line='336' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vsprintf' mangled-name='vsprintf' filepath='lib/vsprintf.c' line='2862' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsprintf'>
+        <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2862' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2862' column='1'/>
+        <parameter type-id='2aee9912' name='args' filepath='lib/vsprintf.c' line='2862' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vsscanf' mangled-name='vsscanf' filepath='lib/vsprintf.c' line='3296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsscanf'>
+        <parameter type-id='80f4b756' name='buf' filepath='lib/vsprintf.c' line='3296' column='1'/>
+        <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='3296' column='1'/>
+        <parameter type-id='2aee9912' name='args' filepath='lib/vsprintf.c' line='3296' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='vunmap' mangled-name='vunmap' filepath='mm/vmalloc.c' line='2393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vunmap'>
+        <parameter type-id='eaa32e2f' name='addr' filepath='mm/vmalloc.c' line='2393' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='vzalloc' mangled-name='vzalloc' filepath='mm/vmalloc.c' line='2733' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vzalloc'>
+        <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2733' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='vzalloc_node' mangled-name='vzalloc_node' filepath='mm/vmalloc.c' line='2789' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vzalloc_node'>
+        <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2789' column='1'/>
+        <parameter type-id='95e97e5e' name='node' filepath='mm/vmalloc.c' line='2789' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='wait_for_completion' mangled-name='wait_for_completion' filepath='kernel/sched/completion.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='136' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wait_for_completion_interruptible' mangled-name='wait_for_completion_interruptible' filepath='kernel/sched/completion.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_interruptible'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='204' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='wait_for_completion_interruptible_timeout' mangled-name='wait_for_completion_interruptible_timeout' filepath='kernel/sched/completion.c' line='225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_interruptible_timeout'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='225' column='1'/>
+        <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='226' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='wait_for_completion_io_timeout' mangled-name='wait_for_completion_io_timeout' filepath='kernel/sched/completion.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_io_timeout'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='189' column='1'/>
+        <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='189' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='wait_for_completion_killable' mangled-name='wait_for_completion_killable' filepath='kernel/sched/completion.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_killable'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='241' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='wait_for_completion_killable_timeout' mangled-name='wait_for_completion_killable_timeout' filepath='kernel/sched/completion.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_killable_timeout'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='263' column='1'/>
+        <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='264' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='wait_for_completion_timeout' mangled-name='wait_for_completion_timeout' filepath='kernel/sched/completion.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_timeout'>
+        <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='155' column='1'/>
+        <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='155' column='1'/>
+        <return type-id='7359adad'/>
+      </function-decl>
+      <function-decl name='wait_on_page_bit' mangled-name='wait_on_page_bit' filepath='mm/filemap.c' line='1340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_on_page_bit'>
+        <parameter type-id='02f11ed4' name='page' filepath='mm/filemap.c' line='1340' column='1'/>
+        <parameter type-id='95e97e5e' name='bit_nr' filepath='mm/filemap.c' line='1340' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wait_woken' mangled-name='wait_woken' filepath='kernel/sched/wait.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_woken'>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='440' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='440' column='1'/>
+        <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/sched/wait.c' line='440' column='1'/>
+        <return type-id='bd54fe1a'/>
+      </function-decl>
+      <function-decl name='wake_up_bit' mangled-name='wake_up_bit' filepath='kernel/sched/wait_bit.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wake_up_bit'>
+        <parameter type-id='eaa32e2f' name='word' filepath='kernel/sched/wait_bit.c' line='147' column='1'/>
+        <parameter type-id='95e97e5e' name='bit' filepath='kernel/sched/wait_bit.c' line='147' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wake_up_if_idle' mangled-name='wake_up_if_idle' filepath='kernel/sched/core.c' line='2838' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wake_up_if_idle'>
+        <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/core.c' line='2838' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wake_up_process' mangled-name='wake_up_process' filepath='kernel/sched/core.c' line='3295' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wake_up_process'>
+        <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='3295' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='wakeup_source_add' mangled-name='wakeup_source_add' filepath='drivers/base/power/wakeup.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_add'>
+        <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='175' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wakeup_source_create' mangled-name='wakeup_source_create' filepath='drivers/base/power/wakeup.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_create'>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/power/wakeup.c' line='88' column='1'/>
+        <return type-id='1ea237a6'/>
+      </function-decl>
+      <function-decl name='wakeup_source_destroy' mangled-name='wakeup_source_destroy' filepath='drivers/base/power/wakeup.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_destroy'>
+        <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='160' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wakeup_source_register' mangled-name='wakeup_source_register' filepath='drivers/base/power/wakeup.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_register'>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='222' column='1'/>
+        <parameter type-id='80f4b756' name='name' filepath='drivers/base/power/wakeup.c' line='223' column='1'/>
+        <return type-id='1ea237a6'/>
+      </function-decl>
+      <function-decl name='wakeup_source_remove' mangled-name='wakeup_source_remove' filepath='drivers/base/power/wakeup.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_remove'>
+        <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='196' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wakeup_source_unregister' mangled-name='wakeup_source_unregister' filepath='drivers/base/power/wakeup.c' line='247' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_unregister'>
+        <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='247' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='watchdog_init_timeout' mangled-name='watchdog_init_timeout' filepath='drivers/watchdog/watchdog_core.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_init_timeout'>
+        <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='114' column='1'/>
+        <parameter type-id='f0981eeb' name='timeout_parm' filepath='drivers/watchdog/watchdog_core.c' line='115' column='1'/>
+        <parameter type-id='fa0b179b' name='dev' filepath='drivers/watchdog/watchdog_core.c' line='115' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='watchdog_register_device' mangled-name='watchdog_register_device' filepath='drivers/watchdog/watchdog_core.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_register_device'>
+        <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='309' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='watchdog_set_restart_priority' mangled-name='watchdog_set_restart_priority' filepath='drivers/watchdog/watchdog_core.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_set_restart_priority'>
+        <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='202' column='1'/>
+        <parameter type-id='95e97e5e' name='priority' filepath='drivers/watchdog/watchdog_core.c' line='202' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='watchdog_unregister_device' mangled-name='watchdog_unregister_device' filepath='drivers/watchdog/watchdog_core.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_unregister_device'>
+        <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='355' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wiphy_apply_custom_regulatory' mangled-name='wiphy_apply_custom_regulatory' filepath='net/wireless/reg.c' line='2557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_apply_custom_regulatory'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/reg.c' line='2557' column='1'/>
+        <parameter type-id='4e819401' name='regd' filepath='net/wireless/reg.c' line='2558' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wiphy_free' mangled-name='wiphy_free' filepath='net/wireless/core.c' line='1081' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_free'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/core.c' line='1081' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wiphy_new_nm' mangled-name='wiphy_new_nm' filepath='net/wireless/core.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_new_nm'>
+        <parameter type-id='8bfdd055' name='ops' filepath='net/wireless/core.c' line='400' column='1'/>
+        <parameter type-id='95e97e5e' name='sizeof_priv' filepath='net/wireless/core.c' line='400' column='1'/>
+        <parameter type-id='80f4b756' name='requested_name' filepath='net/wireless/core.c' line='401' column='1'/>
+        <return type-id='666fb412'/>
+      </function-decl>
+      <function-decl name='wiphy_read_of_freq_limits' mangled-name='wiphy_read_of_freq_limits' filepath='net/wireless/of.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_read_of_freq_limits'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/of.c' line='74' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wiphy_register' mangled-name='wiphy_register' filepath='net/wireless/core.c' line='648' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_register'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/core.c' line='648' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='wiphy_rfkill_set_hw_state' mangled-name='wiphy_rfkill_set_hw_state' filepath='net/wireless/core.c' line='1087' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_rfkill_set_hw_state'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/core.c' line='1087' column='1'/>
+        <parameter type-id='b50a4934' name='blocked' filepath='net/wireless/core.c' line='1087' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wiphy_to_ieee80211_hw' mangled-name='wiphy_to_ieee80211_hw' filepath='net/mac80211/util.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_to_ieee80211_hw'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/mac80211/util.c' line='39' column='1'/>
+        <return type-id='1905517d'/>
+      </function-decl>
+      <function-decl name='wiphy_unregister' mangled-name='wiphy_unregister' filepath='net/wireless/core.c' line='1009' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wiphy_unregister'>
+        <parameter type-id='666fb412' name='wiphy' filepath='net/wireless/core.c' line='1009' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='wireless_send_event' mangled-name='wireless_send_event' filepath='net/wireless/wext-core.c' line='451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wireless_send_event'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-core.c' line='451' column='1'/>
+        <parameter type-id='f0981eeb' name='cmd' filepath='net/wireless/wext-core.c' line='452' column='1'/>
+        <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-core.c' line='453' column='1'/>
+        <parameter type-id='80f4b756' name='extra' filepath='net/wireless/wext-core.c' line='454' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='woken_wake_function' mangled-name='woken_wake_function' filepath='kernel/sched/wait.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='woken_wake_function'>
+        <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='465' column='1'/>
+        <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='465' column='1'/>
+        <parameter type-id='95e97e5e' name='sync' filepath='kernel/sched/wait.c' line='466' column='1'/>
+        <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='466' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='work_busy' mangled-name='work_busy' filepath='kernel/workqueue.c' line='4612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='work_busy'>
+        <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='4612' column='1'/>
+        <return type-id='f0981eeb'/>
+      </function-decl>
+      <function-decl name='ww_mutex_lock_interruptible' mangled-name='ww_mutex_lock_interruptible' filepath='kernel/locking/mutex.c' line='1458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ww_mutex_lock_interruptible'>
+        <parameter type-id='7533ba6f' name='lock' filepath='kernel/locking/mutex.c' line='1458' column='1'/>
+        <parameter type-id='c1d02a64' name='ctx' filepath='kernel/locking/mutex.c' line='1458' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='ww_mutex_unlock' mangled-name='ww_mutex_unlock' filepath='kernel/locking/mutex.c' line='770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ww_mutex_unlock'>
+        <parameter type-id='7533ba6f' name='lock' filepath='kernel/locking/mutex.c' line='770' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xa_clear_mark' mangled-name='xa_clear_mark' filepath='lib/xarray.c' line='1984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_clear_mark'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1984' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1984' column='1'/>
+        <parameter type-id='933bf462' name='mark' filepath='lib/xarray.c' line='1984' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xa_destroy' mangled-name='xa_destroy' filepath='lib/xarray.c' line='2203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_destroy'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='2203' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xa_erase' mangled-name='xa_erase' filepath='lib/xarray.c' line='1509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_erase'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1509' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1509' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='xa_find' mangled-name='xa_find' filepath='lib/xarray.c' line='2009' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_find'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='2009' column='1'/>
+        <parameter type-id='1d2c2b85' name='indexp' filepath='lib/xarray.c' line='2009' column='1'/>
+        <parameter type-id='7359adad' name='max' filepath='lib/xarray.c' line='2010' column='1'/>
+        <parameter type-id='933bf462' name='filter' filepath='lib/xarray.c' line='2010' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='xa_find_after' mangled-name='xa_find_after' filepath='lib/xarray.c' line='2059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_find_after'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='2059' column='1'/>
+        <parameter type-id='1d2c2b85' name='indexp' filepath='lib/xarray.c' line='2059' column='1'/>
+        <parameter type-id='7359adad' name='max' filepath='lib/xarray.c' line='2060' column='1'/>
+        <parameter type-id='933bf462' name='filter' filepath='lib/xarray.c' line='2060' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='xa_get_mark' mangled-name='xa_get_mark' filepath='lib/xarray.c' line='1936' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_get_mark'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1936' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1936' column='1'/>
+        <parameter type-id='933bf462' name='mark' filepath='lib/xarray.c' line='1936' column='1'/>
+        <return type-id='b50a4934'/>
+      </function-decl>
+      <function-decl name='xa_load' mangled-name='xa_load' filepath='lib/xarray.c' line='1452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_load'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1452' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1452' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='xa_set_mark' mangled-name='xa_set_mark' filepath='lib/xarray.c' line='1966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_set_mark'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1966' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1966' column='1'/>
+        <parameter type-id='933bf462' name='mark' filepath='lib/xarray.c' line='1966' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xa_store' mangled-name='xa_store' filepath='lib/xarray.c' line='1573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_store'>
+        <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1573' column='1'/>
+        <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1573' column='1'/>
+        <parameter type-id='eaa32e2f' name='entry' filepath='lib/xarray.c' line='1573' column='1'/>
+        <parameter type-id='3eb7c31c' name='gfp' filepath='lib/xarray.c' line='1573' column='1'/>
+        <return type-id='eaa32e2f'/>
+      </function-decl>
+      <function-decl name='xdp_convert_zc_to_xdp_frame' mangled-name='xdp_convert_zc_to_xdp_frame' filepath='net/core/xdp.c' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_convert_zc_to_xdp_frame'>
+        <parameter type-id='38ed603d' name='xdp' filepath='net/core/xdp.c' line='417' column='1'/>
+        <return type-id='cb1c5129'/>
+      </function-decl>
+      <function-decl name='xdp_do_flush' mangled-name='xdp_do_flush' filepath='net/core/filter.c' line='3953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_do_flush'>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xdp_do_redirect' mangled-name='xdp_do_redirect' filepath='net/core/filter.c' line='3994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_do_redirect'>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/filter.c' line='3994' column='1'/>
+        <parameter type-id='38ed603d' name='xdp' filepath='net/core/filter.c' line='3994' column='1'/>
+        <parameter type-id='bdcee7ae' name='xdp_prog' filepath='net/core/filter.c' line='3995' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xdp_return_frame' mangled-name='xdp_return_frame' filepath='net/core/xdp.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_return_frame'>
+        <parameter type-id='cb1c5129' name='xdpf' filepath='net/core/xdp.c' line='375' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xdp_return_frame_rx_napi' mangled-name='xdp_return_frame_rx_napi' filepath='net/core/xdp.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_return_frame_rx_napi'>
+        <parameter type-id='cb1c5129' name='xdpf' filepath='net/core/xdp.c' line='381' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xdp_rxq_info_reg' mangled-name='xdp_rxq_info_reg' filepath='net/core/xdp.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_rxq_info_reg'>
+        <parameter type-id='8e35a44c' name='xdp_rxq' filepath='net/core/xdp.c' line='160' column='1'/>
+        <parameter type-id='68a2d05b' name='dev' filepath='net/core/xdp.c' line='161' column='1'/>
+        <parameter type-id='19c2251e' name='queue_index' filepath='net/core/xdp.c' line='161' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xdp_rxq_info_reg_mem_model' mangled-name='xdp_rxq_info_reg_mem_model' filepath='net/core/xdp.c' line='262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_rxq_info_reg_mem_model'>
+        <parameter type-id='8e35a44c' name='xdp_rxq' filepath='net/core/xdp.c' line='262' column='1'/>
+        <parameter type-id='8abc4a7f' name='type' filepath='net/core/xdp.c' line='263' column='1'/>
+        <parameter type-id='eaa32e2f' name='allocator' filepath='net/core/xdp.c' line='263' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xdp_rxq_info_unreg' mangled-name='xdp_rxq_info_unreg' filepath='net/core/xdp.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_rxq_info_unreg'>
+        <parameter type-id='8e35a44c' name='xdp_rxq' filepath='net/core/xdp.c' line='135' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xdp_warn' mangled-name='xdp_warn' filepath='net/core/xdp.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_warn'>
+        <parameter type-id='80f4b756' name='msg' filepath='net/core/xdp.c' line='457' column='1'/>
+        <parameter type-id='80f4b756' name='func' filepath='net/core/xdp.c' line='457' column='1'/>
+        <parameter type-id='2448a865' name='line' filepath='net/core/xdp.c' line='457' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xfrm_state_lookup_byspi' mangled-name='xfrm_state_lookup_byspi' filepath='net/xfrm/xfrm_state.c' line='1223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xfrm_state_lookup_byspi'>
+        <parameter type-id='a2bff676' name='net' filepath='net/xfrm/xfrm_state.c' line='1223' column='1'/>
+        <parameter type-id='78a133c2' name='spi' filepath='net/xfrm/xfrm_state.c' line='1223' column='1'/>
+        <parameter type-id='8efea9e5' name='family' filepath='net/xfrm/xfrm_state.c' line='1224' column='1'/>
+        <return type-id='328dda6e'/>
+      </function-decl>
+      <function-decl name='xfrm_stateonly_find' mangled-name='xfrm_stateonly_find' filepath='net/xfrm/xfrm_state.c' line='1190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xfrm_stateonly_find'>
+        <parameter type-id='a2bff676' name='net' filepath='net/xfrm/xfrm_state.c' line='1190' column='1'/>
+        <parameter type-id='19c2251e' name='mark' filepath='net/xfrm/xfrm_state.c' line='1190' column='1'/>
+        <parameter type-id='19c2251e' name='if_id' filepath='net/xfrm/xfrm_state.c' line='1190' column='1'/>
+        <parameter type-id='47a1c9f4' name='daddr' filepath='net/xfrm/xfrm_state.c' line='1191' column='1'/>
+        <parameter type-id='47a1c9f4' name='saddr' filepath='net/xfrm/xfrm_state.c' line='1191' column='1'/>
+        <parameter type-id='8efea9e5' name='family' filepath='net/xfrm/xfrm_state.c' line='1192' column='1'/>
+        <parameter type-id='f9b06939' name='mode' filepath='net/xfrm/xfrm_state.c' line='1192' column='1'/>
+        <parameter type-id='f9b06939' name='proto' filepath='net/xfrm/xfrm_state.c' line='1192' column='1'/>
+        <parameter type-id='19c2251e' name='reqid' filepath='net/xfrm/xfrm_state.c' line='1192' column='1'/>
+        <return type-id='328dda6e'/>
+      </function-decl>
+      <function-decl name='xhci_address_device' mangled-name='xhci_address_device' filepath='drivers/usb/host/xhci.c' line='4269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_address_device'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='4269' column='1'/>
+        <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/host/xhci.c' line='4269' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_bus_resume' mangled-name='xhci_bus_resume' filepath='drivers/usb/host/xhci-hub.c' line='1762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_bus_resume'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci-hub.c' line='1762' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_bus_suspend' mangled-name='xhci_bus_suspend' filepath='drivers/usb/host/xhci-hub.c' line='1603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_bus_suspend'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci-hub.c' line='1603' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_gen_setup' mangled-name='xhci_gen_setup' filepath='drivers/usb/host/xhci.c' line='5202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_gen_setup'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='5202' column='1'/>
+        <parameter type-id='67f831c0' name='get_quirks' filepath='drivers/usb/host/xhci.c' line='5202' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_get_ep_ctx' mangled-name='xhci_get_ep_ctx' filepath='drivers/usb/host/xhci-mem.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_get_ep_ctx'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='594' column='1'/>
+        <parameter type-id='971e404f' name='ctx' filepath='drivers/usb/host/xhci-mem.c' line='595' column='1'/>
+        <parameter type-id='f0981eeb' name='ep_index' filepath='drivers/usb/host/xhci-mem.c' line='596' column='1'/>
+        <return type-id='216753a5'/>
+      </function-decl>
+      <function-decl name='xhci_get_slot_ctx' mangled-name='xhci_get_slot_ctx' filepath='drivers/usb/host/xhci-mem.c' line='583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_get_slot_ctx'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='583' column='1'/>
+        <parameter type-id='971e404f' name='ctx' filepath='drivers/usb/host/xhci-mem.c' line='584' column='1'/>
+        <return type-id='e42579ca'/>
+      </function-decl>
+      <function-decl name='xhci_handle_event' mangled-name='xhci_handle_event' filepath='drivers/usb/host/xhci-ring.c' line='2978' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_handle_event'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-ring.c' line='2978' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_init_driver' mangled-name='xhci_init_driver' filepath='drivers/usb/host/xhci.c' line='5446' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_init_driver'>
+        <parameter type-id='c07d5ba3' name='drv' filepath='drivers/usb/host/xhci.c' line='5446' column='1'/>
+        <parameter type-id='9a55ba3d' name='over' filepath='drivers/usb/host/xhci.c' line='5447' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xhci_resume' mangled-name='xhci_resume' filepath='drivers/usb/host/xhci.c' line='1108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_resume'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci.c' line='1108' column='1'/>
+        <parameter type-id='b50a4934' name='hibernated' filepath='drivers/usb/host/xhci.c' line='1108' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_ring_alloc' mangled-name='xhci_ring_alloc' filepath='drivers/usb/host/xhci-mem.c' line='423' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_ring_alloc'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='423' column='1'/>
+        <parameter type-id='f0981eeb' name='num_segs' filepath='drivers/usb/host/xhci-mem.c' line='424' column='1'/>
+        <parameter type-id='f0981eeb' name='cycle_state' filepath='drivers/usb/host/xhci-mem.c' line='424' column='1'/>
+        <parameter type-id='b61681fc' name='type' filepath='drivers/usb/host/xhci-mem.c' line='425' column='1'/>
+        <parameter type-id='f0981eeb' name='max_packet' filepath='drivers/usb/host/xhci-mem.c' line='425' column='1'/>
+        <parameter type-id='3eb7c31c' name='flags' filepath='drivers/usb/host/xhci-mem.c' line='425' column='1'/>
+        <return type-id='52a50596'/>
+      </function-decl>
+      <function-decl name='xhci_ring_free' mangled-name='xhci_ring_free' filepath='drivers/usb/host/xhci-mem.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_ring_free'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='282' column='1'/>
+        <parameter type-id='52a50596' name='ring' filepath='drivers/usb/host/xhci-mem.c' line='282' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xhci_run' mangled-name='xhci_run' filepath='drivers/usb/host/xhci.c' line='641' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_run'>
+        <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='641' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_suspend' mangled-name='xhci_suspend' filepath='drivers/usb/host/xhci.c' line='994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_suspend'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci.c' line='994' column='1'/>
+        <parameter type-id='b50a4934' name='do_wakeup' filepath='drivers/usb/host/xhci.c' line='994' column='1'/>
+        <return type-id='95e97e5e'/>
+      </function-decl>
+      <function-decl name='xhci_update_erst_dequeue' mangled-name='xhci_update_erst_dequeue' filepath='drivers/usb/host/xhci-ring.c' line='3054' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_update_erst_dequeue'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-ring.c' line='3054' column='1'/>
+        <parameter type-id='2e0bb6d4' name='event_ring_deq' filepath='drivers/usb/host/xhci-ring.c' line='3055' column='1'/>
+        <return type-id='48b5725f'/>
+      </function-decl>
+      <function-decl name='xhci_vendor_get_ops' mangled-name='xhci_vendor_get_ops' filepath='drivers/usb/host/xhci.c' line='4365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_vendor_get_ops'>
+        <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci.c' line='4365' column='1'/>
+        <return type-id='1e9ca7e3'/>
+      </function-decl>
+    </abi-instr>
+  </abi-corpus>
+</abi-corpus-group>
+<!--
+     libabigail: abidw: 2.1.0SOONG BUILD NUMBER PLACEHOLDER
+-->
diff --git a/android/abi_gki_aarch64_asr b/android/abi_gki_aarch64_asr
new file mode 100644
index 0000000..51da1a9
--- /dev/null
+++ b/android/abi_gki_aarch64_asr
@@ -0,0 +1,45 @@
+[abi_symbol_list]
+
+# required by asr5803.ko
+  cfg80211_rx_spurious_frame
+  cfg80211_rx_unexpected_4addr_frame
+  sdhci_enable_sdio_irq
+
+# required by asr_serial.ko
+  uart_get_divisor
+  uart_handle_cts_change
+  uart_handle_dcd_change
+  uart_insert_char
+
+# required by ehci-asr-ci.ko
+  ehci_init_driver
+  ehci_setup
+
+# required by phy-asr-ci-usb2.ko
+  usb_add_phy_dev
+  usb_remove_phy
+
+# required by pvrsrvkm.ko
+  call_rcu
+  devm_devfreq_remove_device
+  dev_pm_opp_remove
+  dma_fence_array_ops
+  dma_fence_enable_sw_signaling
+  idr_replace
+  kthread_freezable_should_stop
+  rcu_barrier
+
+# required by sdhci_asr.ko
+  sdhci_resume_host
+  sdhci_send_tuning
+  sdhci_set_clock
+  sdhci_set_uhs_signaling
+  sdhci_suspend_host
+
+# required by vh_sched.ko
+  __traceiter_android_vh_map_util_freq
+  __tracepoint_android_vh_map_util_freq
+
+# required by asr_drm.ko
+  clk_set_rate_exclusive
+  clk_rate_exclusive_put
diff --git a/android/abi_gki_aarch64_core b/android/abi_gki_aarch64_core
new file mode 100644
index 0000000..a244451
--- /dev/null
+++ b/android/abi_gki_aarch64_core
@@ -0,0 +1,9 @@
+[abi_symbol_list]
+# commonly used symbols
+  ieee802154_alloc_hw
+  ieee802154_free_hw
+  ieee802154_register_hw
+  ieee802154_rx_irqsafe
+  ieee802154_unregister_hw
+  ieee802154_wake_queue
+  ieee802154_xmit_complete
diff --git a/android/abi_gki_aarch64_db845c b/android/abi_gki_aarch64_db845c
new file mode 100644
index 0000000..3925965
--- /dev/null
+++ b/android/abi_gki_aarch64_db845c
@@ -0,0 +1,1725 @@
+[abi_symbol_list]
+# commonly used symbols
+  add_uevent_var
+  alloc_io_pgtable_ops
+  alloc_workqueue
+  __arch_copy_from_user
+  __arch_copy_to_user
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  blocking_notifier_call_chain
+  blocking_notifier_chain_register
+  blocking_notifier_chain_unregister
+  bpf_trace_run3
+  bpf_trace_run4
+  bpf_trace_run5
+  bus_register
+  bus_unregister
+  cancel_delayed_work_sync
+  cancel_work_sync
+  capable
+  cdev_device_add
+  cdev_device_del
+  cdev_init
+  __cfi_slowpath
+  __check_object_size
+  clk_bulk_disable
+  clk_bulk_enable
+  clk_bulk_prepare
+  clk_bulk_unprepare
+  clk_disable
+  clk_enable
+  clk_fixed_rate_ops
+  clk_get
+  __clk_get_name
+  clk_get_rate
+  clk_hw_get_parent
+  clk_hw_get_rate
+  clk_hw_register
+  clk_hw_unregister
+  clk_prepare
+  clk_put
+  clk_round_rate
+  clk_set_rate
+  clk_sync_state
+  clk_unprepare
+  complete
+  complete_all
+  completion_done
+  __const_udelay
+  consume_skb
+  _copy_from_iter_full
+  cpu_hwcap_keys
+  cpu_hwcaps
+  cpumask_next
+  cpu_number
+  __cpu_online_mask
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_create_u32
+  debugfs_create_x32
+  debugfs_remove
+  default_llseek
+  delayed_work_timer_fn
+  del_timer_sync
+  destroy_workqueue
+  dev_coredumpv
+  dev_driver_string
+  _dev_err
+  dev_err_probe
+  dev_get_regmap
+  device_find_child
+  device_for_each_child
+  device_get_match_data
+  device_initialize
+  device_init_wakeup
+  device_property_present
+  device_property_read_u32_array
+  device_register
+  device_set_wakeup_capable
+  device_unregister
+  device_wakeup_enable
+  _dev_info
+  __dev_kfree_skb_any
+  devm_add_action
+  devm_clk_bulk_get
+  devm_clk_bulk_get_all
+  devm_clk_get
+  devm_clk_get_optional
+  devm_clk_hw_register
+  devm_free_irq
+  devm_gpiod_get
+  devm_gpiod_get_optional
+  devm_ioremap
+  devm_ioremap_resource
+  devm_ioremap_wc
+  devm_iounmap
+  devm_kasprintf
+  devm_kfree
+  devm_kmalloc
+  devm_memremap
+  devm_of_clk_add_hw_provider
+  devm_of_icc_get
+  __devm_of_phy_provider_register
+  devm_of_platform_populate
+  devm_phy_create
+  devm_phy_get
+  devm_pinctrl_register
+  devm_platform_ioremap_resource
+  devm_regmap_add_irq_chip
+  devm_regmap_field_alloc
+  __devm_regmap_init
+  __devm_regmap_init_i2c
+  __devm_regmap_init_mmio_clk
+  devm_regulator_bulk_get
+  devm_regulator_get
+  devm_regulator_register
+  devm_request_threaded_irq
+  __devm_reset_control_get
+  devm_reset_controller_register
+  devm_snd_soc_register_component
+  __devm_spi_alloc_controller
+  devm_spi_register_controller
+  devm_watchdog_register_device
+  _dev_notice
+  dev_pm_domain_attach_by_name
+  dev_pm_domain_detach
+  dev_pm_genpd_set_performance_state
+  dev_pm_opp_add
+  dev_pm_opp_find_freq_ceil
+  dev_pm_opp_find_freq_exact
+  dev_pm_opp_get_level
+  dev_pm_opp_get_opp_count
+  dev_pm_opp_of_add_table
+  dev_pm_opp_of_find_icc_paths
+  dev_pm_opp_of_remove_table
+  dev_pm_opp_put
+  dev_pm_opp_put_clkname
+  dev_pm_opp_set_bw
+  dev_pm_opp_set_clkname
+  dev_pm_opp_set_rate
+  dev_set_name
+  _dev_warn
+  disable_irq
+  divider_get_val
+  divider_recalc_rate
+  divider_round_rate_parent
+  dma_alloc_attrs
+  dma_buf_export
+  dma_free_attrs
+  dmam_alloc_attrs
+  dma_map_page_attrs
+  dma_map_sg_attrs
+  dma_mmap_attrs
+  dma_release_channel
+  dma_request_chan
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_single_for_cpu
+  dma_sync_single_for_device
+  dma_unmap_page_attrs
+  dma_unmap_sg_attrs
+  do_SAK
+  driver_register
+  driver_unregister
+  drm_add_edid_modes
+  drm_atomic_helper_connector_destroy_state
+  drm_atomic_helper_connector_duplicate_state
+  drm_atomic_helper_connector_reset
+  drm_connector_attach_encoder
+  drm_connector_cleanup
+  drm_connector_init
+  drm_connector_update_edid_property
+  __drm_err
+  drm_hdmi_avi_infoframe_from_display_mode
+  drm_helper_probe_single_connector_modes
+  drm_mode_vrefresh
+  enable_irq
+  event_triggers_call
+  find_next_bit
+  find_next_zero_bit
+  finish_wait
+  flush_workqueue
+  free_io_pgtable_ops
+  free_irq
+  generic_handle_irq
+  get_device
+  gic_nonsecure_priorities
+  gpiochip_add_data_with_key
+  gpiochip_add_pin_range
+  gpiochip_generic_free
+  gpiochip_generic_request
+  gpiochip_get_data
+  gpiochip_remove
+  gpiod_direction_output_raw
+  gpiod_set_consumer_name
+  gpiod_set_raw_value
+  gpiod_set_value_cansleep
+  gpio_to_desc
+  handle_edge_irq
+  handle_level_irq
+  handle_nested_irq
+  handle_sysrq
+  hdmi_audio_infoframe_init
+  i2c_adapter_type
+  i2c_add_adapter
+  i2c_add_numbered_adapter
+  i2c_del_adapter
+  i2c_del_driver
+  i2c_parse_fw_timings
+  i2c_register_driver
+  __i2c_smbus_xfer
+  i2c_smbus_xfer
+  i2c_transfer
+  icc_disable
+  icc_enable
+  icc_link_create
+  icc_node_add
+  icc_node_create
+  icc_nodes_remove
+  icc_provider_add
+  icc_provider_del
+  icc_set_bw
+  icc_sync_state
+  ida_alloc_range
+  ida_free
+  idr_alloc
+  idr_alloc_cyclic
+  idr_destroy
+  idr_find
+  idr_get_next
+  idr_remove
+  ieee80211_get_channel_khz
+  init_net
+  __init_swait_queue_head
+  init_timer_key
+  init_wait_entry
+  __init_waitqueue_head
+  iomem_resource
+  iommu_attach_device
+  iommu_detach_device
+  iommu_domain_alloc
+  iommu_domain_free
+  iommu_present
+  iommu_unmap
+  __ioread32_copy
+  __ioremap
+  iounmap
+  __iowrite32_copy
+  irq_chip_disable_parent
+  irq_chip_enable_parent
+  irq_chip_eoi_parent
+  irq_chip_mask_parent
+  irq_chip_set_affinity_parent
+  irq_chip_set_parent_state
+  irq_chip_set_type_parent
+  irq_chip_set_vcpu_affinity_parent
+  irq_chip_set_wake_parent
+  irq_chip_unmask_parent
+  __irq_domain_add
+  irq_domain_free_irqs_common
+  irq_domain_remove
+  irq_domain_xlate_twocell
+  irq_find_mapping
+  irq_find_matching_fwspec
+  irq_modify_status
+  irq_of_parse_and_map
+  irq_set_chained_handler_and_data
+  irq_set_chip_and_handler_name
+  irq_set_chip_data
+  irq_set_irq_wake
+  irq_to_desc
+  is_vmalloc_addr
+  jiffies
+  jiffies_to_usecs
+  kasan_flag_enabled
+  kasprintf
+  kernel_connect
+  kernel_getsockname
+  kernel_recvmsg
+  kernel_sendmsg
+  kfree
+  kfree_const
+  kfree_skb
+  __kmalloc
+  kmalloc_caches
+  kmalloc_order_trace
+  kmem_cache_alloc_trace
+  kmemdup
+  kstrdup
+  kstrdup_const
+  kstrtoint
+  kstrtouint
+  ktime_get
+  ktime_get_mono_fast_ns
+  ktime_get_real_ts64
+  __list_add_valid
+  __list_del_entry_valid
+  __log_post_read_mmio
+  __log_read_mmio
+  __log_write_mmio
+  mbox_client_txdone
+  mbox_free_channel
+  mbox_request_channel
+  mbox_send_message
+  memcpy
+  __memcpy_fromio
+  __memcpy_toio
+  memremap
+  memset
+  memstart_addr
+  memunmap
+  misc_deregister
+  misc_register
+  mod_timer
+  module_layout
+  __msecs_to_jiffies
+  msleep
+  __mutex_init
+  mutex_is_locked
+  mutex_lock
+  mutex_unlock
+  napi_complete_done
+  napi_disable
+  __napi_schedule
+  napi_schedule_prep
+  __netdev_alloc_skb
+  netif_napi_add
+  __netif_napi_del
+  no_llseek
+  nr_cpu_ids
+  nvmem_cell_get
+  nvmem_cell_put
+  nvmem_cell_read
+  of_address_to_resource
+  of_alias_get_id
+  of_clk_add_hw_provider
+  of_clk_del_provider
+  of_clk_hw_simple_get
+  of_clk_set_defaults
+  of_device_get_match_data
+  of_device_is_compatible
+  of_device_uevent_modalias
+  of_dma_configure_id
+  of_find_device_by_node
+  of_find_property
+  of_fwnode_ops
+  of_genpd_add_provider_onecell
+  of_genpd_del_provider
+  of_get_child_by_name
+  of_get_named_gpio_flags
+  of_get_next_available_child
+  of_get_next_child
+  of_get_property
+  of_get_regulator_init_data
+  of_graph_get_remote_node
+  of_graph_parse_endpoint
+  of_icc_xlate_onecell
+  of_iomap
+  of_irq_find_parent
+  of_irq_get
+  of_irq_get_byname
+  of_match_device
+  of_match_node
+  of_node_name_eq
+  of_parse_phandle
+  of_parse_phandle_with_args
+  of_parse_phandle_with_fixed_args
+  of_phy_simple_xlate
+  of_platform_depopulate
+  of_platform_populate
+  of_property_count_elems_of_size
+  of_property_read_string
+  of_property_read_string_helper
+  of_property_read_u32_index
+  of_property_read_variable_u32_array
+  of_property_read_variable_u8_array
+  of_reserved_mem_lookup
+  param_ops_bool
+  param_ops_uint
+  __pci_register_driver
+  pci_unregister_driver
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  phy_exit
+  phy_init
+  phy_power_off
+  phy_power_on
+  pinconf_generic_dt_node_to_map
+  pinctrl_dev_get_drvdata
+  pinctrl_pm_select_default_state
+  pinctrl_pm_select_sleep_state
+  pinctrl_utils_free_map
+  platform_bus_type
+  platform_device_register_full
+  platform_device_unregister
+  __platform_driver_register
+  platform_driver_unregister
+  platform_get_irq
+  platform_get_irq_byname
+  platform_get_irq_optional
+  platform_get_resource
+  platform_get_resource_byname
+  pm_genpd_add_subdomain
+  pm_genpd_init
+  __pm_runtime_disable
+  pm_runtime_enable
+  pm_runtime_forbid
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+  __pm_runtime_idle
+  __pm_runtime_resume
+  pm_runtime_set_autosuspend_delay
+  __pm_runtime_set_status
+  __pm_runtime_suspend
+  __pm_runtime_use_autosuspend
+  preempt_schedule_notrace
+  prepare_to_wait_event
+  printk
+  put_device
+  __put_task_struct
+  qcom_smem_state_register
+  qcom_smem_state_unregister
+  queue_delayed_work_on
+  queue_work_on
+  ___ratelimit
+  rational_best_approximation
+  _raw_spin_lock
+  _raw_spin_lock_bh
+  _raw_spin_lock_irq
+  _raw_spin_lock_irqsave
+  _raw_spin_trylock
+  _raw_spin_unlock
+  _raw_spin_unlock_bh
+  _raw_spin_unlock_irq
+  _raw_spin_unlock_irqrestore
+  __rcu_read_lock
+  __rcu_read_unlock
+  rdev_get_drvdata
+  refcount_warn_saturate
+  regcache_cache_only
+  regcache_mark_dirty
+  regcache_sync
+  register_reboot_notifier
+  __register_rpmsg_driver
+  regmap_bulk_read
+  regmap_bulk_write
+  regmap_field_read
+  regmap_field_update_bits_base
+  __regmap_init
+  regmap_irq_get_virq
+  regmap_multi_reg_write
+  regmap_read
+  regmap_register_patch
+  regmap_update_bits_base
+  regmap_write
+  regulator_bulk_disable
+  regulator_bulk_enable
+  regulator_bulk_get
+  regulator_disable
+  regulator_enable
+  regulator_set_load
+  regulator_set_voltage
+  release_firmware
+  __release_region
+  remap_pfn_range
+  request_firmware
+  request_firmware_direct
+  request_firmware_into_buf
+  __request_region
+  request_threaded_irq
+  reset_control_assert
+  reset_control_deassert
+  reset_control_put
+  reset_control_reset
+  rpmsg_register_device
+  rpmsg_register_device_override
+  rpmsg_send
+  rpmsg_unregister_device
+  rproc_add
+  rproc_add_subdev
+  rproc_alloc
+  rproc_coredump_set_elf_info
+  rproc_del
+  rproc_free
+  rproc_remove_subdev
+  schedule
+  schedule_timeout
+  scnprintf
+  seq_lseek
+  seq_printf
+  seq_putc
+  seq_puts
+  seq_read
+  sg_alloc_table
+  sg_free_table
+  sg_init_table
+  sg_next
+  __sg_page_iter_start
+  simple_read_from_buffer
+  single_open
+  single_release
+  skb_dequeue
+  skb_pull
+  skb_push
+  skb_put
+  skb_queue_purge
+  skb_queue_tail
+  skb_trim
+  snd_pcm_format_width
+  snd_soc_component_init_regmap
+  snd_soc_component_read
+  snd_soc_component_update_bits
+  snd_soc_component_write
+  snd_soc_dapm_add_routes
+  snd_soc_dapm_get_enum_double
+  snd_soc_dapm_get_volsw
+  snd_soc_dapm_kcontrol_dapm
+  snd_soc_dapm_kcontrol_widget
+  snd_soc_dapm_mixer_update_power
+  snd_soc_dapm_mux_update_power
+  snd_soc_dapm_put_enum_double
+  snd_soc_dapm_put_volsw
+  snd_soc_get_enum_double
+  snd_soc_get_volsw
+  snd_soc_info_enum_double
+  snd_soc_info_volsw
+  snd_soc_jack_report
+  snd_soc_put_enum_double
+  snd_soc_put_volsw
+  snprintf
+  sock_create_kern
+  sock_release
+  sort
+  __spi_alloc_controller
+  spi_controller_resume
+  spi_controller_suspend
+  spi_finalize_current_transfer
+  spi_register_controller
+  spi_unregister_controller
+  sprintf
+  sscanf
+  __stack_chk_fail
+  strcmp
+  strcpy
+  strlcpy
+  strlen
+  strncmp
+  strncpy
+  strnlen
+  strpbrk
+  strscpy
+  strscpy_pad
+  strsep
+  __sw_hweight32
+  __sw_hweight64
+  synchronize_irq
+  synchronize_net
+  syscon_node_to_regmap
+  syscon_regmap_lookup_by_phandle
+  sysfs_create_link
+  sysfs_remove_link
+  sysrq_mask
+  system_wq
+  __tasklet_schedule
+  thermal_cooling_device_unregister
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  trace_raw_output_prep
+  trace_seq_printf
+  tty_flip_buffer_push
+  __tty_insert_flip_char
+  uart_add_one_port
+  uart_get_baud_rate
+  uart_register_driver
+  uart_remove_one_port
+  uart_resume_port
+  uart_suspend_port
+  uart_try_toggle_sysrq
+  uart_unregister_driver
+  uart_update_timeout
+  uart_write_wakeup
+  __udelay
+  unregister_chrdev_region
+  unregister_reboot_notifier
+  unregister_rpmsg_driver
+  usb_disabled
+  usleep_range
+  vabits_actual
+  vfree
+  vmalloc
+  vmap
+  vunmap
+  wait_for_completion_timeout
+  __wake_up
+  __warn_printk
+  watchdog_init_timeout
+
+# required by apr.ko
+  rpmsg_trysend
+
+# required by arm_smmu.ko
+  amba_bustype
+  bus_set_iommu
+  device_link_add
+  device_match_fwnode
+  devm_platform_get_and_ioremap_resource
+  driver_find_device
+  generic_device_group
+  generic_iommu_put_resv_regions
+  iommu_alloc_resv_region
+  iommu_device_register
+  iommu_device_sysfs_add
+  iommu_device_sysfs_remove
+  iommu_device_unregister
+  iommu_dma_get_resv_regions
+  iommu_fwspec_add_ids
+  iommu_fwspec_free
+  iommu_get_dma_cookie
+  iommu_group_ref_get
+  iommu_put_dma_cookie
+  of_dma_is_coherent
+  param_ops_int
+  pci_bus_type
+  pci_device_group
+
+# required by ath.ko
+  freq_reg_info
+  reg_initiator_name
+  wiphy_apply_custom_regulatory
+
+# required by ath10k_core.ko
+  bcmp
+  cancel_delayed_work
+  __cfg80211_alloc_event_skb
+  __cfg80211_alloc_reply_skb
+  cfg80211_calculate_bitrate
+  cfg80211_find_elem_match
+  cfg80211_find_vendor_elem
+  cfg80211_get_bss
+  cfg80211_put_bss
+  __cfg80211_send_event_skb
+  cfg80211_vendor_cmd_reply
+  cpu_latency_qos_add_request
+  cpu_latency_qos_remove_request
+  crc32_le
+  device_get_mac_address
+  device_set_wakeup_enable
+  firmware_request_nowarn
+  get_random_bytes
+  guid_gen
+  idr_for_each
+  ieee80211_alloc_hw_nm
+  ieee80211_beacon_cntdwn_is_complete
+  ieee80211_beacon_get_template
+  ieee80211_beacon_get_tim
+  ieee80211_beacon_loss
+  ieee80211_beacon_update_cntdwn
+  ieee80211_bss_get_elem
+  ieee80211_channel_to_freq_khz
+  ieee80211_connection_loss
+  ieee80211_csa_finish
+  ieee80211_find_sta
+  ieee80211_find_sta_by_ifaddr
+  ieee80211_free_hw
+  ieee80211_free_txskb
+  ieee80211_hdrlen
+  ieee80211_iterate_active_interfaces_atomic
+  ieee80211_iterate_stations_atomic
+  ieee80211_iter_chan_contexts_atomic
+  ieee80211_manage_rx_ba_offl
+  ieee80211_next_txq
+  ieee80211_proberesp_get
+  ieee80211_queue_delayed_work
+  ieee80211_queue_work
+  ieee80211_radar_detected
+  ieee80211_ready_on_channel
+  ieee80211_register_hw
+  ieee80211_remain_on_channel_expired
+  ieee80211_report_low_ack
+  ieee80211_restart_hw
+  ieee80211_rx_napi
+  ieee80211_scan_completed
+  __ieee80211_schedule_txq
+  ieee80211_sta_register_airtime
+  ieee80211_stop_queue
+  ieee80211_stop_queues
+  ieee80211_tdls_oper_request
+  ieee80211_tx_dequeue
+  ieee80211_txq_get_depth
+  ieee80211_txq_may_transmit
+  ieee80211_txq_schedule_start
+  ieee80211_tx_rate_update
+  ieee80211_tx_status
+  ieee80211_tx_status_irqsafe
+  ieee80211_unregister_hw
+  ieee80211_wake_queue
+  ieee80211_wake_queues
+  init_dummy_netdev
+  init_uts_ns
+  __kfifo_alloc
+  __kfifo_free
+  ktime_get_with_offset
+  __local_bh_enable_ip
+  memmove
+  __nla_parse
+  nla_put
+  param_ops_ulong
+  pskb_expand_head
+  regulatory_hint
+  rfc1042_header
+  skb_copy
+  skb_dequeue_tail
+  skb_queue_head
+  skb_realloc_headroom
+  strlcat
+  __sw_hweight16
+  __sw_hweight8
+  thermal_cooling_device_register
+  vzalloc
+  wiphy_read_of_freq_limits
+  wiphy_rfkill_set_hw_state
+  wiphy_to_ieee80211_hw
+
+# required by ath10k_pci.ko
+  pci_clear_master
+  pci_disable_device
+  pci_disable_msi
+  pcie_capability_clear_and_set_word
+  pcie_capability_read_word
+  pci_enable_device
+  pci_enable_msi
+  pci_iomap
+  pci_read_config_dword
+  pci_release_region
+  pci_request_region
+  pci_set_master
+  pci_write_config_dword
+
+# required by ath10k_snoc.ko
+  __bitmap_clear
+  devm_clk_bulk_get_optional
+  iommu_map
+
+# required by bam_dma.ko
+  dma_async_device_register
+  dma_async_device_unregister
+  dma_async_tx_descriptor_init
+  dma_get_slave_channel
+  of_dma_controller_free
+  of_dma_controller_register
+  pm_runtime_irq_safe
+  tasklet_kill
+  tasklet_setup
+  vchan_dma_desc_free_list
+  vchan_find_desc
+  vchan_init
+  vchan_tx_desc_free
+  vchan_tx_submit
+
+# required by clk-qcom.ko
+  __clk_determine_rate
+  clk_fixed_factor_ops
+  clk_hw_get_flags
+  clk_hw_get_name
+  clk_hw_get_num_parents
+  clk_hw_get_parent_by_index
+  clk_hw_is_enabled
+  clk_hw_round_rate
+  __clk_is_enabled
+  __clk_mux_determine_rate_closest
+  divider_ro_round_rate_parent
+  of_find_node_opts_by_path
+  of_prop_next_u32
+  pm_genpd_remove_subdomain
+
+# required by clk-rpmh.ko
+  clk_hw_is_prepared
+
+# required by clk-spmi-pmic-div.ko
+  __ndelay
+  of_clk_get_parent_name
+
+# required by cqhci.ko
+  devm_blk_ksm_init
+  dmam_free_coherent
+  mmc_cqe_request_done
+
+# required by extcon-usb-gpio.ko
+  devm_extcon_dev_allocate
+  devm_extcon_dev_register
+  extcon_set_state_sync
+  gpiod_get_value_cansleep
+  gpiod_set_debounce
+  gpiod_to_irq
+  system_power_efficient_wq
+
+# required by fastrpc.ko
+  dma_buf_attach
+  dma_buf_detach
+  dma_buf_fd
+  dma_buf_get
+  dma_buf_map_attachment
+  dma_buf_put
+  dma_buf_unmap_attachment
+  dma_get_sgtable_attrs
+  down_read
+  find_vma
+  up_read
+  wait_for_completion_interruptible
+
+# required by gpio-regulator.ko
+  devm_gpiod_get_index
+  devm_kmemdup
+  devm_kstrdup
+  gpiod_count
+  gpiod_get_optional
+
+# required by gpio-wcd934x.ko
+  devm_gpiochip_add_data_with_key
+
+# required by i2c-designware-core.ko
+  i2c_generic_scl_recovery
+  i2c_recover_bus
+
+# required by i2c-designware-platform.ko
+  pm_suspend_global_flags
+
+# required by i2c-dev.ko
+  bus_register_notifier
+  bus_unregister_notifier
+  __class_create
+  class_destroy
+  i2c_bus_type
+  i2c_for_each_dev
+  i2c_get_adapter
+  i2c_put_adapter
+  i2c_transfer_buffer_flags
+  i2c_verify_client
+  memdup_user
+  register_chrdev_region
+
+# required by i2c-mux-pca954x.ko
+  device_create_file
+  device_remove_file
+  handle_simple_irq
+  i2c_get_device_id
+  i2c_smbus_read_byte
+  i2c_smbus_write_byte
+  irq_create_mapping_affinity
+  irq_dispose_mapping
+  irq_domain_simple_ops
+
+# required by i2c-mux.ko
+  __i2c_transfer
+  rt_mutex_lock
+  rt_mutex_trylock
+  rt_mutex_unlock
+
+# required by i2c-qcom-geni.ko
+  i2c_get_dma_safe_msg_buf
+  i2c_put_dma_safe_msg_buf
+  of_machine_is_compatible
+
+# required by i2c-qup.ko
+  __usecs_to_jiffies
+
+# required by i2c-rk3x.ko
+  clk_notifier_register
+  clk_notifier_unregister
+
+# required by icc-bcm-voter.ko
+  list_sort
+  of_property_match_string
+
+# required by icc-osm-l3.ko
+  icc_std_aggregate
+
+# required by llcc-qcom.ko
+  devm_platform_ioremap_resource_byname
+
+# required by lontium-lt9611.ko
+  drm_bridge_add
+  drm_bridge_remove
+  drm_do_get_edid
+  drm_kms_helper_hotplug_event
+  mipi_dsi_attach
+  mipi_dsi_detach
+  mipi_dsi_device_register_full
+  mipi_dsi_device_unregister
+  of_find_mipi_dsi_host_by_node
+
+# required by msm.ko
+  __bitmap_andnot
+  __bitmap_weight
+  bpf_trace_run1
+  bpf_trace_run2
+  bpf_trace_run6
+  bpf_trace_run8
+  clk_get_parent
+  __clk_hw_register_divider
+  clk_hw_register_fixed_factor
+  __clk_hw_register_mux
+  clk_hw_unregister_divider
+  clk_hw_unregister_fixed_factor
+  clk_hw_unregister_mux
+  clk_set_parent
+  clk_unregister
+  component_add
+  component_bind_all
+  component_del
+  component_master_add_with_match
+  component_master_del
+  component_unbind_all
+  _ctype
+  debugfs_create_bool
+  debugfs_create_u64
+  del_timer
+  dev_coredumpm
+  devfreq_recommended_opp
+  devfreq_resume_device
+  devfreq_suspend_device
+  devm_clk_register
+  devm_devfreq_add_device
+  devm_regulator_get_exclusive
+  dev_pm_opp_find_freq_floor
+  dev_pm_opp_get_freq
+  dev_pm_opp_get_voltage
+  dev_pm_opp_set_supported_hw
+  dma_fence_context_alloc
+  dma_fence_init
+  dma_fence_match_context
+  dma_fence_release
+  dma_fence_signal
+  dma_fence_wait_timeout
+  dma_resv_add_excl_fence
+  dma_resv_add_shared_fence
+  dma_resv_reserve_shared
+  dma_resv_wait_timeout_rcu
+  drm_add_modes_noedid
+  drm_atomic_get_private_obj_state
+  drm_atomic_helper_check
+  drm_atomic_helper_check_plane_state
+  drm_atomic_helper_cleanup_planes
+  drm_atomic_helper_commit
+  drm_atomic_helper_commit_hw_done
+  drm_atomic_helper_commit_modeset_disables
+  drm_atomic_helper_commit_modeset_enables
+  drm_atomic_helper_commit_planes
+  __drm_atomic_helper_crtc_destroy_state
+  drm_atomic_helper_crtc_destroy_state
+  __drm_atomic_helper_crtc_duplicate_state
+  drm_atomic_helper_crtc_duplicate_state
+  __drm_atomic_helper_crtc_reset
+  drm_atomic_helper_crtc_reset
+  drm_atomic_helper_dirtyfb
+  drm_atomic_helper_disable_plane
+  drm_atomic_helper_page_flip
+  __drm_atomic_helper_plane_destroy_state
+  drm_atomic_helper_plane_destroy_state
+  __drm_atomic_helper_plane_duplicate_state
+  drm_atomic_helper_plane_duplicate_state
+  drm_atomic_helper_plane_reset
+  __drm_atomic_helper_private_obj_duplicate_state
+  drm_atomic_helper_set_config
+  drm_atomic_helper_shutdown
+  drm_atomic_helper_update_plane
+  drm_atomic_private_obj_fini
+  drm_atomic_private_obj_init
+  drm_bridge_attach
+  drm_bridge_connector_enable_hpd
+  drm_bridge_connector_init
+  drm_bridge_detect
+  drm_bridge_hpd_notify
+  drm_compat_ioctl
+  drm_connector_has_possible_encoder
+  drm_connector_list_iter_begin
+  drm_connector_list_iter_end
+  drm_connector_list_iter_next
+  drm_crtc_cleanup
+  drm_crtc_enable_color_mgmt
+  drm_crtc_handle_vblank
+  drm_crtc_init_with_planes
+  drm_crtc_send_vblank_event
+  drm_crtc_set_max_vblank_count
+  drm_crtc_vblank_get
+  drm_crtc_vblank_helper_get_vblank_timestamp
+  drm_crtc_vblank_off
+  drm_crtc_vblank_on
+  drm_crtc_vblank_put
+  __drm_dbg
+  __drm_debug
+  drm_debugfs_create_files
+  drm_detect_hdmi_monitor
+  drm_detect_monitor_audio
+  drm_dev_alloc
+  drm_dev_dbg
+  drm_dev_printk
+  drm_dev_put
+  drm_dev_register
+  drm_dev_unregister
+  drm_dp_aux_register
+  drm_dp_aux_unregister
+  drm_dp_bw_code_to_link_rate
+  drm_dp_channel_eq_ok
+  drm_dp_clock_recovery_ok
+  drm_dp_dpcd_read
+  drm_dp_dpcd_read_link_status
+  drm_dp_dpcd_write
+  drm_dp_get_adjust_request_pre_emphasis
+  drm_dp_get_adjust_request_voltage
+  drm_dp_get_edid_quirks
+  drm_dp_link_rate_to_bw_code
+  drm_dp_link_train_channel_eq_delay
+  drm_dp_link_train_clock_recovery_delay
+  drm_edid_block_valid
+  drm_encoder_cleanup
+  drm_encoder_init
+  drm_flip_work_cleanup
+  drm_flip_work_commit
+  drm_flip_work_init
+  drm_flip_work_queue
+  drm_format_info
+  drm_framebuffer_init
+  drm_gem_create_mmap_offset
+  drm_gem_fb_create_handle
+  drm_gem_fb_destroy
+  drm_gem_fb_get_obj
+  drm_gem_fb_prepare_fb
+  drm_gem_free_mmap_offset
+  drm_gem_get_pages
+  drm_gem_handle_create
+  drm_gem_mmap
+  drm_gem_mmap_obj
+  drm_gem_object_free
+  drm_gem_object_init
+  drm_gem_object_lookup
+  drm_gem_object_put_locked
+  drm_gem_object_release
+  drm_gem_prime_fd_to_handle
+  drm_gem_prime_handle_to_fd
+  drm_gem_private_object_init
+  drm_gem_put_pages
+  drm_gem_vm_close
+  drm_gem_vm_open
+  drm_get_edid
+  drm_get_format_info
+  drm_get_format_name
+  drm_handle_vblank
+  drm_helper_hpd_irq_event
+  drm_helper_mode_fill_fb_struct
+  drm_ioctl
+  drm_irq_install
+  drm_irq_uninstall
+  drm_kms_helper_poll_fini
+  drm_kms_helper_poll_init
+  drm_mm_init
+  drm_mm_insert_node_in_range
+  drmm_mode_config_init
+  drm_mm_print
+  drm_mm_remove_node
+  drm_mm_takedown
+  drm_mode_config_cleanup
+  drm_mode_config_helper_resume
+  drm_mode_config_helper_suspend
+  drm_mode_config_reset
+  drm_mode_copy
+  drm_mode_debug_printmodeline
+  drm_mode_destroy
+  drm_mode_duplicate
+  drm_mode_object_find
+  drm_mode_object_put
+  drm_mode_probed_add
+  drm_modeset_lock
+  drm_modeset_lock_all
+  drm_modeset_lock_init
+  drm_modeset_unlock
+  drm_modeset_unlock_all
+  drm_object_attach_property
+  drm_of_component_match_add
+  drm_open
+  drm_panel_disable
+  drm_panel_enable
+  drm_panel_get_modes
+  drm_panel_prepare
+  drm_panel_unprepare
+  drm_plane_cleanup
+  drm_plane_create_rotation_property
+  drm_plane_create_zpos_property
+  drm_plane_enable_fb_damage_clips
+  drm_poll
+  drm_prime_gem_destroy
+  drm_prime_pages_to_sg
+  drm_prime_sg_to_page_addr_arrays
+  drm_printf
+  __drm_printfn_coredump
+  __drm_printfn_info
+  __drm_printfn_seq_file
+  drm_property_create_range
+  drm_puts
+  __drm_puts_coredump
+  __drm_puts_seq_file
+  drm_read
+  drm_rect_calc_hscale
+  drm_rect_calc_vscale
+  drm_rect_intersect
+  drm_release
+  drm_rotation_simplify
+  drm_set_preferred_mode
+  drm_state_dump
+  drm_syncobj_add_point
+  drm_syncobj_find
+  drm_syncobj_find_fence
+  drm_syncobj_free
+  drm_syncobj_replace_fence
+  drm_universal_plane_init
+  drm_vblank_init
+  fd_install
+  fput
+  generic_file_llseek
+  get_pid_task
+  get_unused_fd_flags
+  gpiod_get_value
+  gpiod_set_value
+  hdmi_audio_infoframe_pack
+  hdmi_infoframe_pack
+  hrtimer_init
+  hrtimer_start_range_ns
+  icc_put
+  invalidate_mapping_pages
+  iommu_map_sg
+  iommu_set_fault_handler
+  irq_domain_xlate_onecell
+  kstrdup_quotable_cmdline
+  kstrtouint_from_user
+  kthread_create_on_node
+  kthread_create_worker
+  kthread_destroy_worker
+  kthread_queue_work
+  kthread_should_stop
+  kthread_stop
+  kvfree
+  kvmalloc_node
+  llist_add_batch
+  memdup_user_nul
+  memparse
+  mipi_dsi_create_packet
+  mipi_dsi_host_register
+  mipi_dsi_host_unregister
+  mipi_dsi_packet_format_is_long
+  mutex_lock_interruptible
+  mutex_trylock_recursive
+  nsecs_to_jiffies
+  of_clk_hw_onecell_get
+  of_device_is_available
+  of_drm_find_bridge
+  of_drm_find_panel
+  of_find_matching_node_and_match
+  of_get_compatible_child
+  of_graph_get_endpoint_by_regs
+  of_graph_get_next_endpoint
+  of_graph_get_remote_port_parent
+  of_icc_get
+  param_ops_charp
+  phy_calibrate
+  phy_configure
+  pid_task
+  pm_runtime_get_if_active
+  put_pid
+  put_unused_fd
+  _raw_read_lock
+  _raw_read_unlock
+  _raw_write_lock
+  _raw_write_unlock
+  register_shrinker
+  register_vmap_purge_notifier
+  regulator_get
+  regulator_put
+  reservation_ww_class
+  round_jiffies_up
+  sched_set_fifo
+  schedule_timeout_interruptible
+  __sg_page_iter_dma_next
+  shmem_truncate_range
+  simple_attr_open
+  simple_attr_read
+  simple_attr_release
+  simple_attr_write
+  simple_open
+  strstr
+  sync_file_create
+  sync_file_get_fence
+  unmap_mapping_range
+  unregister_shrinker
+  unregister_vmap_purge_notifier
+  vmf_insert_mixed
+  vm_get_page_prot
+  vscnprintf
+  vsnprintf
+  wake_up_process
+  ww_mutex_lock_interruptible
+  ww_mutex_unlock
+
+# required by msm_serial.ko
+  tty_termios_baud_rate
+  tty_termios_encode_baud_rate
+
+# required by nvmem_qfprom.ko
+  devm_nvmem_register
+
+# required by ohci-hcd.ko
+  dma_pool_alloc
+  dma_pool_create
+  dma_pool_destroy
+  dma_pool_free
+  flush_work
+  free_pages
+  gen_pool_dma_alloc_align
+  gen_pool_dma_zalloc_align
+  gen_pool_free_owner
+  get_zeroed_page
+  sb800_prefetch
+  schedule_timeout_uninterruptible
+  usb_amd_dev_put
+  usb_amd_quirk_pll_disable
+  usb_amd_quirk_pll_enable
+  usb_calc_bus_time
+  usb_debug_root
+  usb_hcd_check_unlink_urb
+  usb_hcd_giveback_urb
+  usb_hc_died
+  usb_hcd_link_urb_to_ep
+  usb_hcd_poll_rh_status
+  usb_hcd_resume_root_hub
+  usb_hcds_loaded
+  usb_hcd_unlink_urb_from_ep
+  usb_root_hub_lost_power
+
+# required by ohci-pci.ko
+  pci_dev_put
+  pci_get_slot
+  pci_match_id
+  usb_amd_prefetch_quirk
+  usb_amd_quirk_pll_check
+  usb_hcd_pci_pm_ops
+  usb_hcd_pci_probe
+  usb_hcd_pci_remove
+  usb_hcd_pci_shutdown
+
+# required by ohci-platform.ko
+  devm_reset_control_array_get
+  of_clk_get
+  usb_add_hcd
+  usb_create_hcd
+  usb_hcd_platform_shutdown
+  usb_put_hcd
+  usb_remove_hcd
+
+# required by phy-qcom-qmp.ko
+  devm_get_clk_from_child
+  __of_reset_control_get
+
+# required by phy-qcom-qusb2.ko
+  devm_nvmem_cell_get
+
+# required by phy-qcom-usb-hs.ko
+  extcon_get_edev_by_phandle
+  extcon_get_state
+  extcon_register_notifier
+  extcon_unregister_notifier
+
+# required by pinctrl-msm.ko
+  device_property_read_u16_array
+  gpiochip_line_is_valid
+  gpiochip_lock_as_irq
+  gpiochip_unlock_as_irq
+  handle_bad_irq
+  handle_fasteoi_ack_irq
+  handle_fasteoi_irq
+  irq_get_irq_data
+  module_put
+  pinctrl_force_default
+  pinctrl_force_sleep
+  pm_power_off
+  register_restart_handler
+  try_module_get
+  unregister_restart_handler
+
+# required by pinctrl-spmi-gpio.ko
+  gpiochip_populate_parent_fwspec_fourcell
+  irq_chip_ack_parent
+
+# required by pinctrl-spmi-mpp.ko
+  platform_irq_count
+
+# required by pm8941-pwrkey.ko
+  devm_input_allocate_device
+  input_event
+  input_register_device
+  input_set_capability
+
+# required by q6asm-dai.ko
+  snd_dma_alloc_pages
+  snd_dma_free_pages
+  snd_pcm_hw_constraint_integer
+  snd_pcm_hw_constraint_list
+  snd_pcm_hw_constraint_minmax
+  snd_pcm_hw_constraint_step
+  snd_pcm_period_elapsed
+  snd_soc_new_compress
+  snd_soc_set_runtime_hwparams
+
+# required by qcom-apcs-ipc-mailbox.ko
+  devm_mbox_controller_register
+
+# required by qcom-cpufreq-hw.ko
+  cpufreq_cpu_get_raw
+  cpufreq_freq_attr_scaling_available_freqs
+  cpufreq_freq_attr_scaling_boost_freqs
+  cpufreq_generic_frequency_table_verify
+  cpufreq_get_driver_data
+  cpufreq_register_driver
+  cpufreq_unregister_driver
+  __cpu_possible_mask
+  dev_pm_opp_adjust_voltage
+  dev_pm_opp_disable
+  dev_pm_opp_enable
+  dev_pm_opp_of_cpumask_remove_table
+  dev_pm_opp_of_register_em
+  dev_pm_opp_remove_all_dynamic
+  dev_pm_opp_set_sharing_cpus
+  get_cpu_device
+  of_get_cpu_node
+
+# required by qcom-geni-se.ko
+  icc_set_tag
+
+# required by qcom-pdc.ko
+  irq_chip_get_parent_state
+  irq_chip_retrigger_hierarchy
+  irq_domain_alloc_irqs_parent
+  irq_domain_create_hierarchy
+  irq_domain_set_hwirq_and_chip
+  irq_domain_update_bus_token
+
+# required by qcom-rpmh-regulator.ko
+  regulator_list_voltage_linear_range
+
+# required by qcom-scm.ko
+  __arm_smccc_smc
+  __cpu_present_mask
+  kimage_voffset
+
+# required by qcom-spmi-pmic.ko
+  __spmi_driver_register
+
+# required by qcom_aoss.ko
+  devm_thermal_of_cooling_device_register
+  pm_genpd_remove
+
+# required by qcom_common.ko
+  rproc_coredump_add_segment
+  srcu_init_notifier_head
+  srcu_notifier_call_chain
+  srcu_notifier_chain_register
+  srcu_notifier_chain_unregister
+
+# required by qcom_geni_serial.ko
+  devm_krealloc
+  dev_pm_clear_wake_irq
+  dev_pm_set_dedicated_wake_irq
+  oops_in_progress
+  tty_insert_flip_string_fixed_flag
+  uart_console_device
+  uart_console_write
+  uart_parse_options
+  uart_set_options
+
+# required by qcom_glink.ko
+  device_add_groups
+
+# required by qcom_hwspinlock.ko
+  devm_hwspin_lock_register
+
+# required by qcom_pil_info.ko
+  __memset_io
+  of_find_compatible_node
+
+# required by qcom_q6v5.ko
+  qcom_smem_state_get
+  qcom_smem_state_update_bits
+  rproc_report_crash
+
+# required by qcom_q6v5_mss.ko
+  rproc_coredump_add_custom_segment
+
+# required by qcom_q6v5_wcss.ko
+  rproc_elf_get_boot_addr
+
+# required by qcom_rpmh.ko
+  bitmap_find_next_zero_area_off
+  __bitmap_set
+  cpu_pm_register_notifier
+  __num_online_cpus
+
+# required by qcom_spmi-regulator.ko
+  regulator_disable_regmap
+  regulator_enable_regmap
+  regulator_is_enabled_regmap
+  smp_call_function_single
+
+# required by qcom_sysmon.ko
+  rproc_get_by_child
+  try_wait_for_completion
+
+# required by qcom_tsens.ko
+  debugfs_lookup
+  devm_thermal_zone_of_sensor_register
+  thermal_zone_device_update
+  thermal_zone_get_slope
+
+# required by qrtr-smd.ko
+  __pskb_pull_tail
+
+# required by qrtr-tun.ko
+  _copy_to_iter
+
+# required by qrtr.ko
+  __alloc_skb
+  autoremove_wake_function
+  datagram_poll
+  do_wait_intr_irq
+  kernel_bind
+  lock_sock_nested
+  proto_register
+  proto_unregister
+  radix_tree_delete
+  radix_tree_insert
+  radix_tree_iter_delete
+  radix_tree_iter_resume
+  radix_tree_lookup
+  radix_tree_next_chunk
+  _raw_write_lock_bh
+  _raw_write_unlock_bh
+  refcount_dec_and_mutex_lock
+  release_sock
+  sk_alloc
+  skb_clone
+  skb_copy_bits
+  skb_copy_datagram_iter
+  skb_free_datagram
+  __skb_pad
+  skb_recv_datagram
+  skb_set_owner_w
+  sk_free
+  sock_alloc_send_skb
+  sock_gettstamp
+  sock_init_data
+  sock_no_accept
+  sock_no_listen
+  sock_no_mmap
+  sock_no_sendpage
+  sock_no_shutdown
+  sock_no_socketpair
+  sock_queue_rcv_skb
+  sock_register
+  sock_unregister
+  synchronize_rcu
+  __xa_alloc
+  xa_erase
+  xa_find
+  xa_find_after
+  __xa_insert
+  xa_load
+
+# required by reboot-mode.ko
+  devres_add
+  devres_alloc_node
+  devres_free
+  devres_release
+
+# required by regmap-spmi.ko
+  spmi_ext_register_read
+  spmi_ext_register_readl
+  spmi_ext_register_write
+  spmi_ext_register_writel
+  spmi_register_read
+  spmi_register_write
+  spmi_register_zero_write
+
+# required by rmtfs_mem.ko
+  alloc_chrdev_region
+  __class_register
+  class_unregister
+
+# required by rtc-pm8xxx.ko
+  devm_request_any_context_irq
+  devm_rtc_allocate_device
+  __rtc_register_device
+  rtc_time64_to_tm
+  rtc_tm_to_time64
+  rtc_update_irq
+
+# required by sdhci-msm.ko
+  mmc_of_parse
+  mmc_regulator_get_supply
+  mmc_regulator_set_ocr
+  mmc_regulator_set_vqmmc
+  mmc_send_tuning
+  regulator_is_supported_voltage
+  __reset_control_get
+  __sdhci_add_host
+  sdhci_add_host
+  sdhci_cleanup_host
+  sdhci_cqe_disable
+  sdhci_cqe_enable
+  sdhci_cqe_irq
+  sdhci_enable_clk
+  sdhci_get_property
+  sdhci_pltfm_free
+  sdhci_pltfm_init
+  sdhci_remove_host
+  sdhci_reset
+  sdhci_set_bus_width
+  sdhci_set_power_noreg
+  __sdhci_set_timeout
+  sdhci_setup_host
+
+# required by slim-qcom-ngd-ctrl.ko
+  platform_device_add
+  platform_device_alloc
+
+# required by smem.ko
+  hwspin_lock_free
+  hwspin_lock_request_specific
+  __hwspin_lock_timeout
+  __hwspin_unlock
+  of_hwspin_lock_get_id
+
+# required by snd-soc-hdmi-codec.ko
+  snd_ctl_add
+  snd_ctl_new1
+  snd_pcm_add_chmap_ctls
+  snd_pcm_create_iec958_consumer_default
+  snd_pcm_fill_iec958_consumer
+  snd_pcm_fill_iec958_consumer_hw_params
+  snd_pcm_hw_constraint_eld
+
+# required by snd-soc-qcom-common.ko
+  snd_soc_dai_link_set_capabilities
+  snd_soc_of_get_dai_link_codecs
+  snd_soc_of_get_dai_name
+  snd_soc_of_parse_audio_routing
+  snd_soc_of_parse_aux_devs
+  snd_soc_of_parse_card_name
+
+# required by snd-soc-rl6231.ko
+  gcd
+
+# required by snd-soc-rt5663.ko
+  regcache_cache_bypass
+  snd_soc_add_component_controls
+  snd_soc_dapm_disable_pin
+  snd_soc_dapm_force_enable_pin
+  snd_soc_dapm_new_controls
+  snd_soc_dapm_sync
+
+# required by snd-soc-sdm845.ko
+  devm_snd_soc_register_card
+  snd_jack_set_key
+  snd_soc_card_jack_new
+  snd_soc_component_set_jack
+  snd_soc_dai_get_channel_map
+  snd_soc_dai_set_channel_map
+  snd_soc_dai_set_fmt
+  snd_soc_dai_set_sysclk
+  snd_soc_dai_set_tdm_slot
+
+# required by snd-soc-wcd9335.ko
+  kmemdup_nul
+  strnstr
+
+# required by snd-soc-wcd934x.ko
+  kstrndup
+  of_clk_add_provider
+  of_clk_src_simple_get
+
+# required by snd-soc-wsa881x.ko
+  gpiod_direction_output
+
+# required by socinfo.ko
+  add_device_randomness
+  soc_device_register
+  soc_device_unregister
+
+# required by soundwire-bus.ko
+  device_get_named_child_node
+  devm_device_add_group
+  devm_device_add_groups
+  dev_pm_domain_attach
+  fwnode_property_present
+  fwnode_property_read_u32_array
+  pm_generic_runtime_resume
+  pm_generic_runtime_suspend
+
+# required by spi-pl022.ko
+  amba_driver_register
+  amba_driver_unregister
+  amba_release_regions
+  amba_request_regions
+  devm_gpio_request
+  __dma_request_channel
+  loops_per_jiffy
+  pinctrl_pm_select_idle_state
+  spi_delay_exec
+  spi_finalize_current_message
+  spi_get_next_queued_message
+  tasklet_init
+
+# required by spmi-pmic-arb.ko
+  irq_domain_set_info
+  spmi_controller_add
+  spmi_controller_alloc
+  spmi_controller_remove
+
+# required by system_heap.ko
+  deferred_free
+  dmabuf_page_pool_alloc
+  dmabuf_page_pool_create
+  dmabuf_page_pool_destroy
+  dmabuf_page_pool_free
+  dma_heap_add
+  dma_heap_get_dev
+  dma_heap_get_name
+  dma_sync_sg_for_cpu
+  dma_sync_sg_for_device
+  __free_pages
+  preempt_schedule
+  __sg_page_iter_next
+
+# required by ufs_qcom.ko
+  phy_set_mode_ext
+  ufshcd_dme_configure_adapt
+  ufshcd_dme_get_attr
+  ufshcd_dme_set_attr
+  ufshcd_dump_regs
+  ufshcd_get_local_unipro_ver
+  ufshcd_get_pwr_dev_param
+  ufshcd_init_pwr_dev_param
+  ufshcd_pltfrm_init
+  ufshcd_pltfrm_shutdown
+  ufshcd_remove
+  ufshcd_resume_complete
+  ufshcd_runtime_resume
+  ufshcd_runtime_suspend
+  ufshcd_suspend_prepare
+  ufshcd_system_resume
+  ufshcd_system_suspend
+  ufshcd_uic_hibern8_enter
+  ufshcd_uic_hibern8_exit
+
+# required by ulpi.ko
+  of_device_modalias
+  of_device_request_module
+  __request_module
+
+# required by wcd934x.ko
+  mfd_add_devices
+  mfd_remove_devices
+
+# preserved by --additions-only
+  drm_connector_init_with_ddc
+  eth_platform_get_mac_address
+  ethtool_op_get_link
+  ethtool_op_get_ts_info
+  eth_validate_addr
+  generic_mii_ioctl
+  gpiod_direction_input
+  idr_alloc_u32
+  mii_ethtool_get_link_ksettings
+  mii_ethtool_gset
+  mii_ethtool_set_link_ksettings
+  mii_nway_restart
+  netdev_err
+  netdev_info
+  netdev_warn
+  netif_carrier_on
+  of_clk_get_by_name
+  pcie_capability_write_word
+  snd_pcm_create_iec958_consumer_hw_params
+  snd_soc_get_volsw_sx
+  snd_soc_info_volsw_sx
+  snd_soc_put_volsw_sx
+  usb_deregister
+  usbnet_disconnect
+  usbnet_get_endpoints
+  usbnet_get_msglevel
+  usbnet_get_stats64
+  usbnet_link_change
+  usbnet_nway_reset
+  usbnet_open
+  usbnet_probe
+  usbnet_read_cmd
+  usbnet_read_cmd_nopm
+  usbnet_resume
+  usbnet_set_msglevel
+  usbnet_skb_return
+  usbnet_start_xmit
+  usbnet_stop
+  usbnet_suspend
+  usbnet_tx_timeout
+  usbnet_update_max_qlen
+  usbnet_write_cmd
+  usbnet_write_cmd_async
+  usbnet_write_cmd_nopm
+  usb_register_driver
diff --git a/android/abi_gki_aarch64_exynos b/android/abi_gki_aarch64_exynos
new file mode 100644
index 0000000..03e6c4c
--- /dev/null
+++ b/android/abi_gki_aarch64_exynos
@@ -0,0 +1,1842 @@
+[abi_symbol_list]
+# commonly used symbols
+  add_timer
+  add_timer_on
+  adjust_managed_page_count
+  alloc_chrdev_region
+  alloc_netdev_mqs
+  __alloc_pages_nodemask
+  __alloc_percpu
+  __alloc_skb
+  alloc_workqueue
+  __arch_copy_from_user
+  __arch_copy_to_user
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  __arm_smccc_smc
+  atomic_notifier_call_chain
+  atomic_notifier_chain_register
+  atomic_notifier_chain_unregister
+  bcmp
+  bitmap_parse
+  bitmap_parselist
+  bitmap_print_to_pagebuf
+  blocking_notifier_call_chain
+  blocking_notifier_chain_register
+  blocking_notifier_chain_unregister
+  bpf_trace_run1
+  bpf_trace_run2
+  bpf_trace_run3
+  bpf_trace_run4
+  bpf_trace_run5
+  bpf_trace_run6
+  bpf_trace_run7
+  cancel_delayed_work
+  cancel_delayed_work_sync
+  cancel_work_sync
+  cdev_add
+  cdev_del
+  cdev_init
+  __cfi_slowpath
+  __check_object_size
+  __class_create
+  class_destroy
+  class_unregister
+  clk_disable
+  clk_enable
+  clk_get
+  clk_get_rate
+  __clk_is_enabled
+  clk_prepare
+  clk_put
+  clk_set_parent
+  clk_set_rate
+  clk_unprepare
+  cma_alloc
+  cma_release
+  compat_alloc_user_space
+  complete
+  complete_all
+  completion_done
+  config_ep_by_speed
+  config_group_init_type_name
+  console_suspend_enabled
+  console_unlock
+  __const_udelay
+  __cpu_active_mask
+  cpu_bit_bitmap
+  cpufreq_cpu_get
+  cpufreq_cpu_put
+  cpufreq_quick_get
+  cpufreq_register_notifier
+  cpufreq_unregister_notifier
+  __cpuhp_remove_state
+  __cpuhp_setup_state
+  cpu_hwcap_keys
+  cpu_hwcaps
+  cpumask_next
+  cpumask_next_and
+  cpu_number
+  __cpu_online_mask
+  __cpu_possible_mask
+  cpu_scale
+  cpu_subsys
+  crc32_le
+  crypto_destroy_tfm
+  crypto_register_alg
+  crypto_register_scomp
+  crypto_unregister_alg
+  crypto_unregister_scomp
+  _ctype
+  debugfs_create_bool
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_create_u32
+  debugfs_remove
+  default_llseek
+  delayed_work_timer_fn
+  del_timer
+  del_timer_sync
+  destroy_workqueue
+  dev_driver_string
+  _dev_emerg
+  _dev_err
+  device_create
+  device_create_bin_file
+  device_create_file
+  device_destroy
+  device_for_each_child
+  device_initialize
+  device_init_wakeup
+  device_property_present
+  device_property_read_u32_array
+  device_remove_file
+  _dev_info
+  __dev_kfree_skb_any
+  devm_add_action
+  devm_clk_get
+  devm_free_irq
+  devm_ioremap
+  devm_ioremap_resource
+  devm_iounmap
+  devm_kasprintf
+  devm_kfree
+  devm_kmalloc
+  devm_kmemdup
+  __devm_of_phy_provider_register
+  devm_phy_create
+  devm_phy_get
+  devm_pinctrl_get
+  devm_pinctrl_put
+  devm_platform_ioremap_resource
+  devm_regulator_get
+  __devm_request_region
+  devm_request_threaded_irq
+  __devm_reset_control_get
+  _dev_notice
+  dev_pm_opp_add
+  dev_pm_opp_find_freq_ceil
+  dev_pm_opp_get_voltage
+  dev_pm_opp_put
+  dev_set_name
+  _dev_warn
+  disable_irq
+  disable_irq_nosync
+  dma_alloc_attrs
+  dma_buf_attach
+  dma_buf_begin_cpu_access
+  dma_buf_detach
+  dma_buf_end_cpu_access
+  dma_buf_export
+  dma_buf_get
+  dma_buf_map_attachment
+  dma_buf_mmap
+  dma_buf_put
+  dma_buf_unmap_attachment
+  dma_buf_vmap
+  dma_buf_vunmap
+  dma_fence_add_callback
+  dma_fence_context_alloc
+  dma_fence_default_wait
+  dma_fence_get_status
+  dma_fence_init
+  dma_fence_release
+  dma_fence_remove_callback
+  dma_fence_signal
+  dma_free_attrs
+  dma_heap_buffer_alloc
+  dma_heap_find
+  dma_heap_put
+  dmam_alloc_attrs
+  dma_map_page_attrs
+  dma_map_sg_attrs
+  dma_release_channel
+  dma_request_chan
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_sg_for_cpu
+  dma_sync_sg_for_device
+  dma_sync_single_for_cpu
+  dma_sync_single_for_device
+  dma_unmap_page_attrs
+  dma_unmap_sg_attrs
+  down
+  down_interruptible
+  down_read
+  down_write
+  driver_unregister
+  dump_stack
+  enable_irq
+  event_triggers_call
+  failure_tracking
+  fd_install
+  find_last_bit
+  find_next_bit
+  find_next_zero_bit
+  find_vpid
+  finish_wait
+  flush_dcache_page
+  flush_work
+  flush_workqueue
+  fput
+  free_irq
+  free_netdev
+  __free_pages
+  free_pages
+  free_percpu
+  freq_qos_update_request
+  generic_file_llseek
+  gen_pool_add_owner
+  gen_pool_alloc_algo_owner
+  gen_pool_free_owner
+  get_cpu_device
+  get_device
+  __get_free_pages
+  get_thermal_instance
+  get_unused_fd_flags
+  gic_nonsecure_priorities
+  gpiod_direction_input
+  gpiod_direction_output_raw
+  gpiod_get_raw_value
+  gpiod_set_raw_value
+  gpiod_to_irq
+  gpio_free
+  gpio_request
+  gpio_request_one
+  gpio_to_desc
+  gserial_alloc_line
+  gserial_connect
+  gserial_disconnect
+  handle_level_irq
+  handle_nested_irq
+  hex_dump_to_buffer
+  hrtimer_active
+  hrtimer_cancel
+  hrtimer_forward
+  hrtimer_init
+  hrtimer_start_range_ns
+  i2c_add_numbered_adapter
+  i2c_del_adapter
+  i2c_del_driver
+  i2c_new_dummy_device
+  i2c_register_driver
+  i2c_smbus_read_byte_data
+  i2c_smbus_read_i2c_block_data
+  i2c_smbus_write_byte_data
+  i2c_smbus_write_i2c_block_data
+  i2c_transfer
+  i2c_transfer_buffer_flags
+  i2c_unregister_device
+  idr_alloc
+  idr_remove
+  __iio_device_register
+  iio_device_unregister
+  __init_rwsem
+  __init_swait_queue_head
+  init_task
+  init_timer_key
+  init_wait_entry
+  __init_waitqueue_head
+  input_allocate_device
+  input_event
+  input_free_device
+  input_register_device
+  input_set_capability
+  input_unregister_device
+  iomem_resource
+  iommu_get_domain_for_dev
+  iommu_map_sg
+  iommu_register_device_fault_handler
+  iommu_unmap
+  iommu_unregister_device_fault_handler
+  __ioremap
+  iounmap
+  __irq_alloc_descs
+  irq_get_irq_data
+  irq_modify_status
+  irq_of_parse_and_map
+  irq_set_affinity_hint
+  irq_set_chip_and_handler_name
+  irq_set_chip_data
+  irq_set_irq_wake
+  irq_to_desc
+  is_console_locked
+  is_vmalloc_addr
+  jiffies
+  jiffies_to_msecs
+  jiffies_to_usecs
+  kasan_flag_enabled
+  kasprintf
+  kernel_kobj
+  __kfifo_alloc
+  __kfifo_free
+  __kfifo_in
+  __kfifo_to_user
+  kfree
+  kfree_skb
+  kimage_voffset
+  __kmalloc
+  kmalloc_caches
+  kmalloc_order_trace
+  kmem_cache_alloc
+  kmem_cache_alloc_trace
+  kmem_cache_create
+  kmem_cache_destroy
+  kmem_cache_free
+  kmemdup
+  kobject_create_and_add
+  kobject_init_and_add
+  kobject_put
+  kobject_uevent_env
+  krealloc
+  kstrdup
+  kstrndup
+  kstrtobool
+  kstrtobool_from_user
+  kstrtoint
+  kstrtoint_from_user
+  kstrtoll
+  kstrtou8
+  kstrtouint
+  kstrtouint_from_user
+  kstrtoull
+  kthread_bind
+  kthread_create_on_node
+  kthread_delayed_work_timer_fn
+  kthread_flush_worker
+  __kthread_init_worker
+  kthread_queue_work
+  kthread_should_stop
+  kthread_stop
+  kthread_worker_fn
+  ktime_get
+  ktime_get_mono_fast_ns
+  ktime_get_raw_ts64
+  ktime_get_real_ts64
+  ktime_get_ts64
+  ktime_get_with_offset
+  kvfree
+  kvfree_call_rcu
+  kvmalloc_node
+  __list_add_valid
+  __list_del_entry_valid
+  __log_post_read_mmio
+  __log_read_mmio
+  __log_write_mmio
+  loops_per_jiffy
+  lzo1x_decompress_safe
+  memcpy
+  __memcpy_fromio
+  __memcpy_toio
+  memdup_user
+  memset
+  __memset_io
+  memstart_addr
+  mfd_add_devices
+  mfd_remove_devices
+  misc_deregister
+  misc_register
+  mod_delayed_work_on
+  mod_timer
+  module_layout
+  module_put
+  __msecs_to_jiffies
+  msleep
+  msleep_interruptible
+  __mutex_init
+  mutex_is_locked
+  mutex_lock
+  mutex_lock_interruptible
+  mutex_trylock
+  mutex_unlock
+  napi_complete_done
+  napi_gro_receive
+  __napi_schedule
+  napi_schedule_prep
+  __netdev_alloc_skb
+  netif_napi_add
+  netif_receive_skb
+  netif_tx_wake_queue
+  nla_put
+  no_llseek
+  nonseekable_open
+  noop_llseek
+  nr_cpu_ids
+  ns_to_kernel_old_timeval
+  ns_to_timespec64
+  __num_online_cpus
+  of_address_to_resource
+  of_alias_get_id
+  of_count_phandle_with_args
+  of_device_get_match_data
+  of_device_is_available
+  of_device_is_compatible
+  of_find_compatible_node
+  of_find_device_by_node
+  of_find_matching_node_and_match
+  of_find_node_by_name
+  of_find_node_opts_by_path
+  of_find_property
+  of_get_child_by_name
+  of_get_cpu_node
+  of_get_named_gpio_flags
+  of_get_next_available_child
+  of_get_next_child
+  of_get_property
+  of_iomap
+  of_machine_is_compatible
+  of_match_device
+  of_match_node
+  of_n_addr_cells
+  of_n_size_cells
+  of_parse_phandle
+  of_phandle_iterator_init
+  of_phandle_iterator_next
+  of_platform_populate
+  of_property_count_elems_of_size
+  of_property_match_string
+  of_property_read_string
+  of_property_read_string_helper
+  of_property_read_u32_index
+  of_property_read_variable_u32_array
+  of_prop_next_string
+  of_prop_next_u32
+  of_reserved_mem_device_init_by_idx
+  of_reserved_mem_device_release
+  of_reserved_mem_lookup
+  of_root
+  __page_pinner_put_page
+  panic
+  panic_notifier_list
+  param_array_ops
+  param_ops_bool
+  param_ops_charp
+  param_ops_int
+  param_ops_string
+  param_ops_uint
+  param_ops_ulong
+  PDE_DATA
+  __per_cpu_offset
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  pfn_valid
+  phy_power_off
+  phy_power_on
+  pinctrl_lookup_state
+  pinctrl_select_state
+  pin_user_pages
+  platform_device_unregister
+  __platform_driver_register
+  platform_driver_unregister
+  platform_get_irq
+  platform_get_irq_byname
+  platform_get_resource
+  platform_get_resource_byname
+  __pm_relax
+  pm_relax
+  __pm_runtime_disable
+  pm_runtime_enable
+  pm_runtime_forbid
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+  __pm_runtime_idle
+  __pm_runtime_resume
+  pm_runtime_set_autosuspend_delay
+  __pm_runtime_set_status
+  __pm_runtime_suspend
+  __pm_runtime_use_autosuspend
+  __pm_stay_awake
+  pm_stay_awake
+  pm_wakeup_ws_event
+  power_supply_changed
+  power_supply_get_by_name
+  power_supply_get_drvdata
+  power_supply_get_property
+  power_supply_register
+  power_supply_set_property
+  power_supply_unregister
+  preempt_schedule
+  preempt_schedule_notrace
+  prepare_to_wait_event
+  print_hex_dump
+  printk
+  proc_create
+  proc_create_data
+  proc_mkdir
+  proc_set_user
+  put_device
+  __put_page
+  __put_task_struct
+  put_unused_fd
+  queue_delayed_work_on
+  queue_work_on
+  ___ratelimit
+  raw_notifier_call_chain
+  raw_notifier_chain_register
+  _raw_read_lock
+  _raw_read_unlock
+  _raw_spin_lock
+  _raw_spin_lock_bh
+  _raw_spin_lock_irq
+  _raw_spin_lock_irqsave
+  _raw_spin_trylock
+  _raw_spin_unlock
+  _raw_spin_unlock_bh
+  _raw_spin_unlock_irq
+  _raw_spin_unlock_irqrestore
+  _raw_write_lock_irqsave
+  _raw_write_unlock_irqrestore
+  rb_insert_color
+  __rcu_read_lock
+  __rcu_read_unlock
+  refcount_warn_saturate
+  regcache_cache_only
+  __register_chrdev
+  register_chrdev_region
+  register_pm_notifier
+  register_reboot_notifier
+  register_restart_handler
+  register_shrinker
+  register_syscore_ops
+  regmap_read
+  regmap_update_bits_base
+  regmap_write
+  regulator_disable
+  regulator_enable
+  regulator_get
+  regulator_get_optional
+  regulator_is_enabled
+  regulator_put
+  regulator_set_voltage
+  release_firmware
+  __release_region
+  remap_pfn_range
+  remove_cpu
+  remove_proc_entry
+  request_firmware
+  __request_region
+  request_threaded_irq
+  reset_control_assert
+  reset_control_deassert
+  return_address
+  rtc_class_close
+  rtc_class_open
+  rtc_read_time
+  sched_clock
+  sched_setscheduler_nocheck
+  schedule
+  schedule_timeout
+  scnprintf
+  seq_lseek
+  seq_printf
+  seq_puts
+  seq_read
+  seq_release
+  set_cpus_allowed_ptr
+  sg_alloc_table
+  sg_free_table
+  sg_init_table
+  sg_miter_next
+  sg_miter_start
+  sg_miter_stop
+  sg_next
+  __sg_page_iter_next
+  __sg_page_iter_start
+  simple_attr_open
+  simple_attr_read
+  simple_attr_release
+  simple_attr_write
+  simple_open
+  simple_read_from_buffer
+  simple_write_to_buffer
+  single_open
+  single_release
+  skb_copy_expand
+  skb_dequeue
+  skb_pull
+  skb_push
+  skb_put
+  skb_queue_head
+  skb_queue_purge
+  skb_queue_tail
+  skb_trim
+  smp_call_function
+  smp_call_function_single
+  snd_pcm_format_width
+  snd_soc_dapm_get_enum_double
+  snd_soc_dapm_get_volsw
+  snd_soc_dapm_ignore_suspend
+  snd_soc_dapm_info_pin_switch
+  snd_soc_dapm_put_enum_double
+  snd_soc_dapm_put_volsw
+  snd_soc_dapm_sync
+  snd_soc_get_enum_double
+  snd_soc_get_volsw
+  snd_soc_info_enum_double
+  snd_soc_info_volsw
+  snd_soc_put_enum_double
+  snd_soc_put_volsw
+  snd_soc_register_component
+  snd_soc_unregister_component
+  snprintf
+  sort
+  sprintf
+  sscanf
+  __stack_chk_fail
+  static_key_slow_dec
+  static_key_slow_inc
+  stpcpy
+  strcasecmp
+  strcat
+  strchr
+  strcmp
+  strcpy
+  strlcat
+  strlcpy
+  strlen
+  strncasecmp
+  strncmp
+  strncpy
+  strnlen
+  strrchr
+  strscpy
+  strsep
+  strstr
+  __sw_hweight32
+  __sw_hweight64
+  sync_file_create
+  sync_file_get_fence
+  synchronize_rcu
+  syscon_regmap_lookup_by_phandle
+  sysfs_add_file_to_group
+  sysfs_create_bin_file
+  sysfs_create_file_ns
+  sysfs_create_group
+  sysfs_create_groups
+  sysfs_create_link
+  sysfs_emit
+  sysfs_notify
+  sysfs_remove_file_ns
+  sysfs_remove_group
+  sysfs_streq
+  system_wq
+  sys_tz
+  __tasklet_hi_schedule
+  tasklet_init
+  tasklet_kill
+  __tasklet_schedule
+  thermal_of_cooling_device_register
+  thermal_zone_get_temp
+  thermal_zone_get_zone_by_name
+  time64_to_tm
+  _totalram_pages
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  __traceiter_android_vh_cpu_idle_enter
+  __traceiter_android_vh_cpu_idle_exit
+  __traceiter_device_pm_callback_end
+  __traceiter_device_pm_callback_start
+  __traceiter_pelt_cfs_tp
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __traceiter_suspend_resume
+  __tracepoint_android_vh_cpu_idle_enter
+  __tracepoint_android_vh_cpu_idle_exit
+  __tracepoint_device_pm_callback_end
+  __tracepoint_device_pm_callback_start
+  __tracepoint_pelt_cfs_tp
+  tracepoint_probe_register
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  __tracepoint_suspend_resume
+  trace_print_array_seq
+  trace_raw_output_prep
+  trace_seq_printf
+  try_module_get
+  __udelay
+  unpin_user_page
+  __unregister_chrdev
+  unregister_chrdev_region
+  unregister_pm_notifier
+  unregister_shrinker
+  up
+  up_read
+  up_write
+  usb_add_function
+  usb_copy_descriptors
+  usb_ep_autoconfig
+  usb_function_register
+  usb_function_unregister
+  usb_hub_find_child
+  usb_interface_id
+  usb_put_function_instance
+  usb_register_notify
+  usb_string_id
+  usb_unregister_notify
+  __usecs_to_jiffies
+  usleep_range
+  v4l2_ctrl_handler_free
+  v4l2_ctrl_handler_init_class
+  v4l2_ctrl_handler_setup
+  v4l2_ctrl_new_custom
+  v4l2_ctrl_new_std
+  v4l2_ctrl_new_std_menu
+  v4l2_device_register
+  v4l2_device_register_subdev
+  v4l2_device_set_name
+  v4l2_device_unregister
+  v4l2_device_unregister_subdev
+  v4l2_fh_add
+  v4l2_fh_del
+  v4l2_fh_exit
+  v4l2_fh_init
+  v4l2_i2c_subdev_init
+  v4l2_m2m_buf_queue
+  v4l2_m2m_buf_remove
+  v4l2_m2m_ctx_init
+  v4l2_m2m_ctx_release
+  v4l2_m2m_dqbuf
+  v4l2_m2m_get_curr_priv
+  v4l2_m2m_get_vq
+  v4l2_m2m_init
+  v4l2_m2m_job_finish
+  v4l2_m2m_mmap
+  v4l2_m2m_next_buf
+  v4l2_m2m_poll
+  v4l2_m2m_qbuf
+  v4l2_m2m_release
+  v4l2_m2m_reqbufs
+  v4l2_m2m_streamoff
+  v4l2_m2m_streamon
+  v4l2_subdev_call_wrappers
+  v4l2_subdev_init
+  v4l_bound_align_image
+  vabits_actual
+  vb2_buffer_done
+  vb2_dma_sg_memops
+  vb2_dqbuf
+  vb2_mmap
+  vb2_plane_cookie
+  vb2_plane_vaddr
+  vb2_poll
+  vb2_qbuf
+  vb2_querybuf
+  vb2_queue_init
+  vb2_queue_release
+  vb2_reqbufs
+  vb2_streamoff
+  vb2_streamon
+  vfree
+  video_devdata
+  video_device_alloc
+  video_device_release
+  video_ioctl2
+  __video_register_device
+  video_unregister_device
+  vmalloc
+  vmalloc_to_pfn
+  vmap
+  vscnprintf
+  vsnprintf
+  vunmap
+  vzalloc
+  wait_for_completion
+  wait_for_completion_interruptible
+  wait_for_completion_interruptible_timeout
+  wait_for_completion_timeout
+  __wake_up
+  wake_up_process
+  wakeup_source_add
+  wakeup_source_register
+  wakeup_source_remove
+  wakeup_source_unregister
+  __warn_printk
+
+# required by clk_exynos.ko
+  __clk_get_hw
+  __clk_get_name
+  clk_get_parent
+  clk_hw_get_flags
+  clk_hw_get_name
+  clk_hw_get_parent
+  clk_register
+  clk_register_clkdev
+  clk_register_composite
+  clk_register_fixed_factor
+  clk_register_fixed_rate
+  clk_register_gate
+  clk_round_rate
+  of_clk_add_provider
+  of_clk_src_onecell_get
+
+# required by cmupmucal.ko
+  debugfs_create_x32
+
+# required by cpif.ko
+  dev_get_by_name
+  init_dummy_netdev
+  init_net
+  register_netdev
+  si_meminfo
+  skb_dequeue_tail
+  unregister_netdev
+
+# required by cqhci.ko
+  devm_blk_ksm_init
+  dmam_free_coherent
+  mmc_cqe_request_done
+  mmc_hw_reset
+
+# required by dpu.ko
+  backlight_device_unregister
+  console_trylock
+  devm_backlight_device_register
+  dma_fence_wait_timeout
+  __do_once_done
+  __do_once_start
+  phy_init
+  regulator_get_exclusive
+  __v4l2_device_register_subdev_nodes
+
+# required by dss.ko
+  android_debug_symbol
+  dump_backtrace
+  input_close_device
+  input_open_device
+  input_register_handle
+  input_register_handler
+  input_unregister_handle
+  kstat
+  nr_irqs
+  register_console
+  register_die_notifier
+  rtc_time64_to_tm
+  touch_softlockup_watchdog
+  __traceiter_android_vh_ipi_stop
+  __traceiter_hrtimer_expire_entry
+  __traceiter_hrtimer_expire_exit
+  __traceiter_irq_handler_entry
+  __traceiter_irq_handler_exit
+  __traceiter_sched_switch
+  __traceiter_workqueue_execute_end
+  __traceiter_workqueue_execute_start
+  __tracepoint_android_vh_ipi_stop
+  __tracepoint_hrtimer_expire_entry
+  __tracepoint_hrtimer_expire_exit
+  __tracepoint_irq_handler_entry
+  __tracepoint_irq_handler_exit
+  __tracepoint_sched_switch
+  __tracepoint_workqueue_execute_end
+  __tracepoint_workqueue_execute_start
+
+# required by dw_mmc-exynos-fmp.ko
+  blk_ksm_init_passthrough
+
+# required by dw_mmc-exynos.ko
+  mmc_wait_for_req
+  sg_init_one
+
+# required by dw_mmc-srpmb.ko
+  blkdev_get_by_path
+  blk_execute_rq
+  blk_get_request
+  blk_put_request
+  capable
+
+# required by dw_mmc.ko
+  debugfs_create_x64
+  device_property_read_string_array
+  mmc_add_host
+  mmc_alloc_host
+  mmc_can_gpio_cd
+  mmc_detect_change
+  mmc_free_host
+  mmc_gpio_get_cd
+  mmc_gpio_get_ro
+  mmc_of_parse
+  mmc_regulator_get_supply
+  mmc_regulator_set_ocr
+  mmc_regulator_set_vqmmc
+  mmc_remove_host
+  mmc_request_done
+  sdio_signal_irq
+
+# required by dwc3-exynos-usb.ko
+  platform_device_add
+  platform_device_add_properties
+  platform_device_add_resources
+  platform_device_alloc
+  platform_device_del
+  platform_device_put
+  pm_runtime_allow
+  __traceiter_dwc3_ep_queue
+  __traceiter_dwc3_readl
+  __traceiter_dwc3_writel
+  __tracepoint_dwc3_ep_queue
+  __tracepoint_dwc3_readl
+  __tracepoint_dwc3_writel
+  usb_gadget_set_state
+  usb_otg_state_string
+
+# required by ems.ko
+  activate_task
+  android_rvh_probe_register
+  available_idle_cpu
+  bpf_trace_run10
+  bpf_trace_run11
+  bpf_trace_run8
+  bpf_trace_run9
+  cgroup_taskset_first
+  cgroup_taskset_next
+  check_preempt_curr
+  cpufreq_add_update_util_hook
+  cpufreq_disable_fast_switch
+  cpufreq_driver_fast_switch
+  __cpufreq_driver_target
+  cpufreq_enable_fast_switch
+  cpufreq_frequency_table_get_index
+  cpufreq_register_governor
+  cpufreq_remove_update_util_hook
+  cpufreq_this_cpu_can_update
+  cpu_topology
+  deactivate_task
+  dev_pm_qos_add_notifier
+  dev_pm_qos_add_request
+  dev_pm_qos_remove_request
+  dev_pm_qos_update_request
+  get_pid_task
+  housekeeping_cpumask
+  irq_work_queue
+  irq_work_sync
+  kthread_cancel_work_sync
+  match_string
+  memory_read_from_buffer
+  raw_notifier_chain_unregister
+  _raw_write_trylock
+  reciprocal_value
+  resched_curr
+  runqueues
+  sched_feat_keys
+  sched_feat_names
+  sched_uclamp_used
+  set_next_entity
+  set_task_cpu
+  static_key_disable
+  stop_one_cpu_nowait
+  sysctl_sched_features
+  system_32bit_el0_cpumask
+  task_rq_lock
+  __traceiter_android_rvh_can_migrate_task
+  __traceiter_android_rvh_check_preempt_wakeup
+  __traceiter_android_rvh_cpu_cgroup_can_attach
+  __traceiter_android_rvh_dequeue_task
+  __traceiter_android_rvh_do_sched_yield
+  __traceiter_android_rvh_enqueue_task
+  __traceiter_android_rvh_find_busiest_queue
+  __traceiter_android_rvh_find_lowest_rq
+  __traceiter_android_rvh_find_new_ilb
+  __traceiter_android_rvh_post_init_entity_util_avg
+  __traceiter_android_rvh_replace_next_task_fair
+  __traceiter_android_rvh_sched_fork_init
+  __traceiter_android_rvh_sched_newidle_balance
+  __traceiter_android_rvh_sched_nohz_balancer_kick
+  __traceiter_android_rvh_sched_rebalance_domains
+  __traceiter_android_rvh_schedule
+  __traceiter_android_rvh_select_fallback_rq
+  __traceiter_android_rvh_select_task_rq_fair
+  __traceiter_android_rvh_select_task_rq_rt
+  __traceiter_android_rvh_set_task_cpu
+  __traceiter_android_rvh_uclamp_rq_util_with
+  __traceiter_android_rvh_update_misfit_status
+  __traceiter_android_rvh_wake_up_new_task
+  __traceiter_android_vh_arch_set_freq_scale
+  __traceiter_android_vh_binder_restore_priority
+  __traceiter_android_vh_binder_set_priority
+  __traceiter_android_vh_binder_wakeup_ilocked
+  __traceiter_android_vh_scheduler_tick
+  __traceiter_binder_transaction_received
+  __traceiter_pelt_dl_tp
+  __traceiter_pelt_irq_tp
+  __traceiter_pelt_rt_tp
+  __traceiter_pelt_se_tp
+  __traceiter_sched_overutilized_tp
+  __tracepoint_android_rvh_can_migrate_task
+  __tracepoint_android_rvh_check_preempt_wakeup
+  __tracepoint_android_rvh_cpu_cgroup_can_attach
+  __tracepoint_android_rvh_dequeue_task
+  __tracepoint_android_rvh_do_sched_yield
+  __tracepoint_android_rvh_enqueue_task
+  __tracepoint_android_rvh_find_busiest_queue
+  __tracepoint_android_rvh_find_lowest_rq
+  __tracepoint_android_rvh_find_new_ilb
+  __tracepoint_android_rvh_post_init_entity_util_avg
+  __tracepoint_android_rvh_replace_next_task_fair
+  __tracepoint_android_rvh_sched_fork_init
+  __tracepoint_android_rvh_sched_newidle_balance
+  __tracepoint_android_rvh_sched_nohz_balancer_kick
+  __tracepoint_android_rvh_sched_rebalance_domains
+  __tracepoint_android_rvh_schedule
+  __tracepoint_android_rvh_select_fallback_rq
+  __tracepoint_android_rvh_select_task_rq_fair
+  __tracepoint_android_rvh_select_task_rq_rt
+  __tracepoint_android_rvh_set_task_cpu
+  __tracepoint_android_rvh_uclamp_rq_util_with
+  __tracepoint_android_rvh_update_misfit_status
+  __tracepoint_android_rvh_wake_up_new_task
+  __tracepoint_android_vh_arch_set_freq_scale
+  __tracepoint_android_vh_binder_restore_priority
+  __tracepoint_android_vh_binder_set_priority
+  __tracepoint_android_vh_binder_wakeup_ilocked
+  __tracepoint_android_vh_scheduler_tick
+  __tracepoint_binder_transaction_received
+  __tracepoint_pelt_dl_tp
+  __tracepoint_pelt_irq_tp
+  __tracepoint_pelt_rt_tp
+  __tracepoint_pelt_se_tp
+  __tracepoint_sched_overutilized_tp
+  uclamp_eff_value
+  update_rq_clock
+  wake_up_if_idle
+
+# required by exynos-acme.ko
+  cpufreq_freq_transition_begin
+  cpufreq_freq_transition_end
+  cpufreq_generic_attr
+  cpufreq_register_driver
+  cpuhp_tasks_frozen
+  dev_pm_opp_of_register_em
+  refresh_frequency_limits
+  topology_set_thermal_pressure
+
+# required by exynos-bcm_dbg.ko
+  caches_clean_inval_pou
+  hrtimer_try_to_cancel
+  kick_all_cpus_sync
+  __platform_driver_probe
+
+# required by exynos-bts.ko
+  devm_kstrdup
+
+# required by exynos-chipid_v2.ko
+  soc_device_register
+  subsys_system_register
+
+# required by exynos-coresight.ko
+  __cpuhp_setup_state_cpuslocked
+  cpu_pm_register_notifier
+
+# required by exynos-cpuhp.ko
+  add_cpu
+
+# required by exynos-cpupm.ko
+  cpuidle_get_cpu_driver
+  of_find_node_by_type
+  smp_call_function_many
+  __traceiter_ipi_entry
+  __traceiter_ipi_exit
+  __traceiter_ipi_raise
+  __tracepoint_ipi_entry
+  __tracepoint_ipi_exit
+  __tracepoint_ipi_raise
+
+# required by exynos-debug-test.ko
+  _dev_crit
+
+# required by exynos-ecc-handler.ko
+  cpu_hotplug_disable
+  cpu_hotplug_enable
+
+# required by exynos-itmon.ko
+  int_pow
+
+# required by exynos-pd.ko
+  of_genpd_add_provider_simple
+  pm_genpd_add_subdomain
+  pm_genpd_init
+
+# required by exynos-reboot.ko
+  pm_power_off
+
+# required by exynos-ssld.ko
+  bus_register
+  bus_unregister
+  device_register
+  device_unregister
+  driver_register
+  tracepoint_probe_unregister
+
+# required by exynos3830_sound.ko
+  dapm_regulator_event
+  devm_snd_soc_register_card
+  snd_soc_component_set_pll
+  snd_soc_component_set_sysclk
+  snd_soc_dai_set_sysclk
+  snd_soc_dai_set_tdm_slot
+  snd_soc_dapm_get_pin_switch
+  snd_soc_dapm_new_control
+  snd_soc_dapm_put_pin_switch
+  snd_soc_get_pcm_runtime
+  snd_soc_of_get_dai_link_codecs
+  snd_soc_of_get_dai_name
+  snd_soc_of_parse_audio_routing
+  snd_soc_of_parse_daifmt
+  snd_soc_of_put_dai_link_codecs
+  snd_soc_params_to_bclk
+  snd_soc_pm_ops
+
+# required by exynos_adc.ko
+  devm_iio_device_alloc
+
+# required by exynos_devfreq.ko
+  devfreq_add_device
+  devfreq_add_governor
+  devfreq_recommended_opp
+  devfreq_register_opp_notifier
+  devfreq_remove_device
+  devfreq_unregister_opp_notifier
+  dev_pm_opp_disable
+  dev_pm_opp_get_freq
+  strpbrk
+  unregister_reboot_notifier
+  update_devfreq
+
+# required by exynos_mct.ko
+  clockevents_config_and_register
+  disable_percpu_irq
+  enable_percpu_irq
+  free_percpu_irq
+  of_clk_get_by_name
+  of_irq_parse_one
+  __request_percpu_irq
+
+# required by exynos_mfc.ko
+  dma_buf_begin_cpu_access_partial
+  dma_buf_end_cpu_access_partial
+
+# required by exynos_pm_qos.ko
+  _raw_read_lock_irqsave
+  _raw_read_unlock_irqrestore
+
+# required by exynos_thermal.ko
+  dev_pm_opp_find_freq_exact
+  dev_pm_opp_get_opp_count
+  get_cpu_idle_time
+  ida_alloc_range
+  ida_free
+  kthread_cancel_delayed_work_sync
+  kthread_flush_work
+  kthread_mod_delayed_work
+  of_thermal_get_ntrips
+  of_thermal_is_trip_valid
+  thermal_zone_device_disable
+  thermal_zone_device_enable
+  thermal_zone_device_is_enabled
+  thermal_zone_device_update
+  thermal_zone_of_sensor_register
+  thermal_zone_of_sensor_unregister
+
+# required by exynos_tty.ko
+  console_stop
+  dma_get_slave_caps
+  do_SAK
+  handle_sysrq
+  sysrq_mask
+  tty_flip_buffer_push
+  tty_insert_flip_string_fixed_flag
+  tty_kref_put
+  tty_port_tty_get
+  uart_add_one_port
+  uart_console_write
+  uart_get_baud_rate
+  uart_parse_options
+  uart_register_driver
+  uart_remove_one_port
+  uart_resume_port
+  uart_set_options
+  uart_suspend_port
+  uart_try_toggle_sysrq
+  uart_unregister_driver
+  uart_update_timeout
+  uart_write_wakeup
+
+# required by exyswd-rng.ko
+  devm_hwrng_register
+  platform_device_register
+
+# required by fb.ko
+  __arch_copy_in_user
+  console_lock
+  fb_mode_option
+  ignore_console_lock_warning
+  oops_in_progress
+  proc_create_seq_private
+  __request_module
+  simple_strtol
+  simple_strtoul
+  vm_get_page_prot
+  vm_iomap_memory
+
+# required by fimc-is.ko
+  cpuidle_pause_and_lock
+  cpuidle_resume_and_unlock
+  device_get_dma_attr
+  devm_phy_put
+  get_random_u32
+  __get_vm_area_caller
+  llist_add_batch
+  map_kernel_range
+  names_cachep
+  param_set_uint
+  phy_configure
+  regulator_force_disable
+  regulator_get_voltage
+  regulator_set_mode
+  spi_bus_type
+  __spi_register_driver
+  spi_setup
+  spi_sync
+  vb2_prepare_buf
+  vsprintf
+
+# required by fm_s610.ko
+  of_find_i2c_device_by_node
+  of_property_read_variable_u16_array
+  v4l2_ctrl_poll
+  v4l2_ctrl_subscribe_event
+  v4l2_event_unsubscribe
+  v4l2_fh_is_singular
+  v4l2_fh_open
+  v4l2_fh_release
+  video_device_release_empty
+
+# required by freq-qos-tracer.ko
+  freq_qos_add_request
+  freq_qos_remove_request
+
+# required by gdc.ko
+  v4l2_m2m_querybuf
+
+# required by gnssif.ko
+  skb_clone
+
+# required by gpu_cooling.ko
+  thermal_cooling_device_unregister
+
+# required by hardlockup-watchdog.ko
+  cpus_read_lock
+  cpus_read_unlock
+  smp_call_on_cpu
+
+# required by i2c-dev.ko
+  bus_register_notifier
+  bus_unregister_notifier
+  cdev_device_add
+  cdev_device_del
+  i2c_adapter_type
+  i2c_bus_type
+  i2c_for_each_dev
+  i2c_get_adapter
+  i2c_put_adapter
+  i2c_smbus_xfer
+  i2c_verify_client
+
+# required by i2c-s3c2410.ko
+  __ndelay
+
+# required by is-actuator-dw9839.ko
+  kfree_sensitive
+
+# required by leds-s2mu106.ko
+  devm_led_classdev_register_ext
+
+# required by lzo-rle.ko
+  lzorle1x_1_compress
+
+# required by lzo.ko
+  lzo1x_1_compress
+
+# required by mali_kbase.ko
+  anon_inode_getfd
+  __arch_clear_user
+  __bitmap_weight
+  cache_line_size
+  clear_page
+  debugfs_attr_read
+  debugfs_attr_write
+  dev_pm_opp_of_add_table
+  dev_pm_opp_of_remove_table
+  dev_pm_opp_put_regulators
+  dev_pm_opp_set_regulators
+  downgrade_write
+  down_trylock
+  find_get_pid
+  find_vma
+  __get_task_comm
+  get_user_pages
+  get_user_pages_fast
+  ktime_get_raw
+  __mmdrop
+  of_clk_get
+  of_dma_is_coherent
+  of_property_read_variable_u8_array
+  param_ops_byte
+  pid_task
+  pin_user_pages_remote
+  put_pid
+  rb_erase
+  rb_first
+  rb_next
+  rb_prev
+  rb_replace_node
+  register_oom_notifier
+  remap_vmalloc_range
+  seq_open
+  seq_putc
+  seq_write
+  set_page_dirty_lock
+  strcspn
+  synchronize_irq
+  __traceiter_gpu_mem_total
+  trace_output_call
+  __tracepoint_gpu_mem_total
+  trace_print_flags_seq
+  trace_print_symbols_seq
+  unmap_mapping_range
+  unregister_oom_notifier
+  vmalloc_user
+  vmf_insert_pfn_prot
+
+# required by mcDrvModule.ko
+  crypto_alloc_shash
+  crypto_shash_final
+  crypto_shash_update
+  d_path
+  freezing_slow_path
+  get_task_exe_file
+  get_task_mm
+  get_zeroed_page
+  kstrtol_from_user
+  mmput
+  __refrigerator
+  release_pages
+  system_freezing_cnt
+  vmalloc_to_page
+  wait_for_completion_killable
+
+# required by mx_client_test.ko
+  cdev_alloc
+
+# required by nanohub.ko
+  arch_timer_read_counter
+  autoremove_wake_function
+  clocks_calc_mult_shift
+  do_wait_intr
+  iio_device_alloc
+  iio_device_free
+  rtc_set_time
+  rtc_tm_to_time64
+  sched_setscheduler
+  sysfs_remove_link
+  __wake_up_locked_key
+  __wake_up_sync
+
+# required by pinctrl-samsung-core.ko
+  bitmap_to_arr32
+  devm_gpiochip_add_data_with_key
+  devm_pinctrl_register
+  generic_handle_irq
+  gpiochip_generic_free
+  gpiochip_generic_request
+  gpiochip_get_data
+  gpiochip_lock_as_irq
+  gpiochip_unlock_as_irq
+  handle_edge_irq
+  irq_create_mapping_affinity
+  __irq_domain_add
+  irq_domain_remove
+  irq_domain_xlate_twocell
+  irq_find_mapping
+  irq_set_chained_handler_and_data
+  of_node_name_eq
+  pinctrl_add_gpio_range
+  pinctrl_dev_get_drvdata
+  pinctrl_force_sleep
+  pinctrl_remove_gpio_range
+  pin_get_name
+
+# required by pl330.ko
+  amba_driver_register
+  amba_driver_unregister
+  cpu_all_bits
+  dev_err_probe
+  dma_async_device_register
+  dma_async_device_unregister
+  dma_async_tx_descriptor_init
+  dmaengine_unmap_put
+  dma_get_slave_channel
+  dma_map_resource
+  dma_unmap_resource
+  of_dma_controller_free
+  of_dma_controller_register
+  pm_runtime_irq_safe
+
+# required by pwm-samsung.ko
+  of_pwm_xlate_with_flags
+  pwmchip_add
+  pwmchip_remove
+  pwm_get_chip_data
+  pwm_set_chip_data
+
+# required by rtc-s2mpu12.ko
+  devm_rtc_device_register
+  rtc_update_irq
+  rtc_valid_tm
+
+# required by s2m_chg_manager.ko
+  alarm_cancel
+  alarm_init
+  alarm_start_relative
+
+# required by s2m_muic_module.ko
+  printk_timed_ratelimit
+
+# required by s2m_pdic_module.ko
+  typec_get_drvdata
+  typec_register_partner
+  typec_register_port
+  typec_set_data_role
+  typec_set_pwr_opmode
+  typec_set_pwr_role
+  typec_unregister_partner
+  typec_unregister_port
+
+# required by s2mpu12-regulator.ko
+  of_get_regulator_init_data
+  rdev_get_drvdata
+  rdev_get_id
+  regulator_list_voltage_linear
+  regulator_map_voltage_linear
+  regulator_register
+  regulator_unregister
+
+# required by s2mu106_mfd.ko
+  i2c_smbus_read_word_data
+  i2c_smbus_write_word_data
+
+# required by s3c2410_wdt.ko
+  system_state
+  watchdog_init_timeout
+  watchdog_register_device
+  watchdog_set_restart_priority
+  watchdog_unregister_device
+
+# required by samsung-iommu-group.ko
+  iommu_group_alloc
+  iommu_group_set_name
+
+# required by samsung-secure-iova.ko
+  gen_pool_avail
+  gen_pool_create
+  gen_pool_destroy
+  gen_pool_first_fit_align
+  gen_pool_size
+
+# required by samsung_dma_heap.ko
+  anon_inode_getfile
+  deferred_free
+  devm_gen_pool_create
+  dma_buf_get_flags
+  dmabuf_page_pool_alloc
+  dmabuf_page_pool_create
+  dmabuf_page_pool_destroy
+  dmabuf_page_pool_free
+  dma_heap_add
+  dma_heap_get_dev
+  dma_heap_get_drvdata
+  dma_heap_get_name
+  is_dma_buf_file
+  iterate_fd
+  __traceiter_android_vh_show_mem
+  __tracepoint_android_vh_show_mem
+
+# required by samsung_iommu.ko
+  bus_set_iommu
+  device_link_add
+  device_link_del
+  devres_add
+  devres_alloc_node
+  iommu_alloc_resv_region
+  iommu_device_register
+  iommu_device_sysfs_add
+  iommu_device_sysfs_remove
+  iommu_device_unlink
+  iommu_device_unregister
+  iommu_fwspec_add_ids
+  iommu_fwspec_free
+  iommu_get_dma_cookie
+  iommu_group_for_each_dev
+  iommu_group_get
+  iommu_group_get_iommudata
+  iommu_group_set_iommudata
+  iommu_put_dma_cookie
+  iommu_report_device_fault
+  of_find_node_with_property
+  of_get_dma_window
+  platform_bus_type
+  split_page
+
+# required by scaler.ko
+  dma_heap_buffer_free
+  flush_delayed_work
+  of_parse_phandle_with_fixed_args
+  sg_nents_for_len
+  v4l2_m2m_try_schedule
+  work_busy
+
+# required by scsc_bt.ko
+  param_ops_ullong
+
+# required by scsc_log_collection.ko
+  list_sort
+
+# required by scsc_logring.ko
+  dev_vprintk_emit
+  vprintk_emit
+
+# required by scsc_mx.ko
+  genlmsg_multicast_allns
+  genlmsg_put
+  genl_register_family
+  genl_unregister_family
+  kobject_get
+  kobject_uevent
+
+# required by scsc_platform_mif.ko
+  irq_get_irqchip_state
+
+# required by scsc_wlan.ko
+  __cfg80211_alloc_event_skb
+  __cfg80211_alloc_reply_skb
+  cfg80211_chandef_create
+  cfg80211_chandef_valid
+  cfg80211_ch_switch_notify
+  cfg80211_classify8021d
+  cfg80211_connect_done
+  cfg80211_conn_failed
+  cfg80211_del_sta_sinfo
+  cfg80211_disconnected
+  cfg80211_external_auth_request
+  cfg80211_find_elem_match
+  cfg80211_find_vendor_elem
+  cfg80211_get_bss
+  cfg80211_inform_bss_frame_data
+  cfg80211_mgmt_tx_status
+  cfg80211_michael_mic_failure
+  cfg80211_new_sta
+  cfg80211_put_bss
+  cfg80211_ready_on_channel
+  cfg80211_ref_bss
+  cfg80211_remain_on_channel_expired
+  cfg80211_roamed
+  cfg80211_rx_mgmt_khz
+  cfg80211_scan_done
+  cfg80211_sched_scan_results
+  cfg80211_sched_scan_stopped
+  __cfg80211_send_event_skb
+  cfg80211_vendor_cmd_reply
+  consume_skb
+  csum_partial
+  csum_tcpudp_nofold
+  dev_alloc_name
+  dev_queue_xmit
+  ether_setup
+  eth_type_trans
+  ieee80211_channel_to_freq_khz
+  ieee80211_freq_khz_to_channel
+  ieee80211_get_channel_khz
+  ip_send_check
+  __kfifo_out
+  kfree_skb_list
+  __local_bh_enable_ip
+  napi_disable
+  netif_carrier_off
+  netif_carrier_on
+  __netif_napi_del
+  netif_rx_ni
+  netif_tx_stop_all_queues
+  net_ratelimit
+  nla_memcpy
+  nla_put_nohdr
+  __printk_ratelimit
+  _raw_read_lock_bh
+  _raw_read_unlock_bh
+  _raw_write_lock_bh
+  _raw_write_unlock_bh
+  register_inet6addr_notifier
+  register_inetaddr_notifier
+  register_netdevice
+  rps_needed
+  rtnl_is_locked
+  rtnl_lock
+  rtnl_unlock
+  skb_copy
+  skb_copy_bits
+  skb_realloc_headroom
+  synchronize_net
+  unregister_inet6addr_notifier
+  unregister_inetaddr_notifier
+  unregister_netdevice_queue
+  wiphy_apply_custom_regulatory
+  wiphy_free
+  wiphy_new_nm
+  wiphy_register
+  wiphy_unregister
+
+# required by smfc.ko
+  v4l2_ctrl_log_status
+  v4l2_m2m_fop_mmap
+  v4l2_m2m_fop_poll
+  v4l2_m2m_ioctl_dqbuf
+  v4l2_m2m_ioctl_querybuf
+  v4l2_m2m_ioctl_reqbufs
+  v4l2_m2m_ioctl_streamoff
+  v4l2_m2m_ioctl_streamon
+  vb2_ops_wait_finish
+  vb2_ops_wait_prepare
+  vb2_wait_for_all_buffers
+
+# required by snd-soc-aud3004x-5p.ko
+  devm_input_allocate_device
+  __devm_regmap_init
+  iio_channel_get_all
+  iio_channel_release
+  iio_read_channel_raw
+  of_parse_phandle_with_args
+  regcache_cache_bypass
+  wakeup_source_create
+  wakeup_source_destroy
+
+# required by snd-soc-aud3004x-dump.ko
+  class_create_file_ns
+  strspn
+
+# required by snd-soc-s3c-dma.ko
+  devm_snd_dmaengine_pcm_register
+  snd_dmaengine_pcm_prepare_slave_config
+
+# required by snd-soc-samsung-abox.ko
+  dapm_pinctrl_event
+  debugfs_create_symlink
+  dev_get_regmap
+  device_show_bool
+  device_show_int
+  device_store_bool
+  device_store_int
+  devm_krealloc
+  __devm_regmap_init_mmio_clk
+  devm_snd_soc_register_component
+  dma_buf_fd
+  dma_mmap_attrs
+  firmware_request_nowarn
+  iommu_iova_to_phys
+  iommu_map
+  kfree_const
+  kstrtoull_from_user
+  kvasprintf
+  nsecs_to_jiffies
+  pinctrl_get
+  pinctrl_put
+  platform_device_register_full
+  __platform_register_drivers
+  pm_runtime_barrier
+  pm_runtime_get_if_active
+  pm_runtime_no_callbacks
+  pm_wakeup_dev_event
+  proc_remove
+  proc_set_size
+  proc_symlink
+  regcache_mark_dirty
+  regcache_sync
+  regmap_multi_reg_write
+  request_firmware_direct
+  request_firmware_nowait
+  snd_device_free
+  snd_dma_alloc_pages
+  snd_dma_free_pages
+  snd_hwdep_new
+  snd_pcm_format_physical_width
+  snd_pcm_lib_free_pages
+  snd_pcm_lib_malloc_pages
+  snd_pcm_lib_preallocate_free_for_all
+  snd_pcm_lib_preallocate_pages
+  snd_pcm_period_elapsed
+  snd_pcm_rate_range_to_bits
+  snd_soc_add_component_controls
+  snd_soc_bytes_info_ext
+  snd_soc_bytes_tlv_callback
+  snd_soc_component_async_complete
+  snd_soc_component_init_regmap
+  snd_soc_component_read
+  snd_soc_component_update_bits
+  snd_soc_component_update_bits_async
+  snd_soc_component_write
+  snd_soc_dapm_add_routes
+  snd_soc_dapm_disable_pin
+  snd_soc_dapm_enable_pin
+  snd_soc_dapm_get_pin_status
+  snd_soc_dapm_new_controls
+  snd_soc_dapm_weak_routes
+  snd_soc_find_dai
+  snd_soc_get_xr_sx
+  snd_soc_info_volsw_sx
+  snd_soc_info_xr_sx
+  snd_soc_lookup_component
+  snd_soc_new_compress
+  snd_soc_put_xr_sx
+  snd_soc_register_card
+  snd_soc_set_runtime_hwparams
+  snd_soc_tplg_component_load
+  snd_soc_tplg_component_remove
+  snd_soc_tplg_widget_bind_event
+  snd_soc_unregister_card
+  strim
+  system_unbound_wq
+
+# required by spi-s3c64xx.ko
+  __spi_alloc_controller
+  spi_controller_resume
+  spi_controller_suspend
+  spi_finalize_current_message
+  spi_register_controller
+  spi_unregister_controller
+
+# required by synaptics_rmi.ko
+  input_mt_init_slots
+  input_mt_report_slot_state
+  input_set_abs_params
+  strncat
+  sysfs_remove_bin_file
+
+# required by usb_f_dm.ko
+  usb_ep_alloc_request
+  usb_ep_free_request
+  usb_ep_queue
+
+# required by usb_notifier.ko
+  power_supply_put
+
+# required by usb_notify_layer.ko
+  complete_and_exit
+  usb_speed_string
+
+# required by xhci-exynos.ko
+  device_set_wakeup_enable
+  device_wakeup_enable
+  devm_clk_get_optional
+  devm_usb_get_phy_by_phandle
+  of_fwnode_ops
+  of_usb_host_tpl_support
+  pci_bus_type
+  usb_add_hcd
+  __usb_create_hcd
+  usb_disabled
+  usb_enable_autosuspend
+  usb_hcd_is_primary_hcd
+  usb_put_hcd
+  usb_remove_hcd
+  xhci_bus_resume
+  xhci_bus_suspend
+  xhci_gen_setup
+  xhci_init_driver
+  xhci_resume
+  xhci_run
+  xhci_suspend
+  xhci_vendor_get_ops
+
+# required by xperf.ko
+  cpufreq_quick_get_max
+  kthread_bind_mask
+
+# required by zram.ko
+  __alloc_disk_node
+  bdget_disk
+  bdput
+  bio_endio
+  blk_alloc_queue
+  blk_cleanup_queue
+  blk_queue_flag_clear
+  blk_queue_flag_set
+  blk_queue_io_min
+  blk_queue_io_opt
+  blk_queue_logical_block_size
+  blk_queue_max_discard_sectors
+  blk_queue_max_write_zeroes_sectors
+  blk_queue_physical_block_size
+  __class_register
+  __cpuhp_state_add_instance
+  __cpuhp_state_remove_instance
+  crypto_alloc_base
+  crypto_comp_compress
+  crypto_comp_decompress
+  crypto_has_alg
+  del_gendisk
+  device_add_disk
+  disk_end_io_acct
+  disk_start_io_acct
+  fsync_bdev
+  idr_destroy
+  idr_find
+  idr_for_each
+  kstrtou16
+  memparse
+  memset64
+  page_endio
+  put_disk
+  register_blkdev
+  revalidate_disk_size
+  __sysfs_match_string
+  unregister_blkdev
+
+# required by zsmalloc.ko
+  alloc_anon_inode
+  __ClearPageMovable
+  contig_page_data
+  dec_zone_page_state
+  inc_zone_page_state
+  init_pseudo
+  iput
+  kern_mount
+  kern_unmount
+  kill_anon_super
+  __lock_page
+  page_mapping
+  _raw_write_lock
+  _raw_write_unlock
+  __SetPageMovable
+  unlock_page
diff --git a/android/abi_gki_aarch64_fips140 b/android/abi_gki_aarch64_fips140
new file mode 100644
index 0000000..541e351
--- /dev/null
+++ b/android/abi_gki_aarch64_fips140
@@ -0,0 +1,148 @@
+[abi_symbol_list]
+# commonly used symbols
+  module_layout
+  __put_task_struct
+
+# required by fips140.ko
+  add_random_ready_callback
+  aead_register_instance
+  ahash_register_instance
+  arch_timer_read_counter
+  bcmp
+  cancel_work_sync
+  __cfi_slowpath
+  complete_all
+  completion_done
+  cpu_have_feature
+  crypto_aead_decrypt
+  crypto_aead_encrypt
+  crypto_aead_setauthsize
+  crypto_aead_setkey
+  crypto_ahash_finup
+  crypto_ahash_setkey
+  crypto_alg_list
+  crypto_alg_sem
+  crypto_alloc_aead
+  crypto_alloc_base
+  crypto_alloc_rng
+  crypto_alloc_shash
+  crypto_alloc_skcipher
+  crypto_attr_alg_name
+  crypto_check_attr_type
+  crypto_cipher_encrypt_one
+  crypto_cipher_setkey
+  crypto_destroy_tfm
+  crypto_drop_spawn
+  crypto_get_default_null_skcipher
+  crypto_grab_aead
+  crypto_grab_ahash
+  crypto_grab_shash
+  crypto_grab_skcipher
+  crypto_grab_spawn
+  crypto_inst_setname
+  crypto_put_default_null_skcipher
+  crypto_register_aead
+  crypto_register_aeads
+  crypto_register_ahash
+  crypto_register_ahashes
+  crypto_register_alg
+  crypto_register_algs
+  crypto_register_rng
+  crypto_register_rngs
+  crypto_register_shash
+  crypto_register_shashes
+  crypto_register_skcipher
+  crypto_register_skciphers
+  crypto_register_template
+  crypto_register_templates
+  crypto_remove_spawns
+  crypto_req_done
+  crypto_rng_reset
+  crypto_shash_alg_has_setkey
+  crypto_shash_digest
+  crypto_shash_final
+  crypto_shash_finup
+  crypto_shash_setkey
+  crypto_shash_tfm_digest
+  crypto_shash_update
+  crypto_skcipher_decrypt
+  crypto_skcipher_encrypt
+  crypto_skcipher_setkey
+  crypto_spawn_tfm2
+  crypto_spawn_tfm
+  crypto_unregister_aead
+  crypto_unregister_alg
+  crypto_unregister_rng
+  crypto_unregister_rngs
+  crypto_unregister_shash
+  crypto_unregister_shashes
+  crypto_unregister_skciphers
+  crypto_unregister_template
+  crypto_unregister_templates
+  del_random_ready_callback
+  down_write
+  fpsimd_context_busy
+  get_random_bytes
+  __init_swait_queue_head
+  irq_stat
+  kasan_flag_enabled
+  kernel_neon_begin
+  kernel_neon_end
+  kfree
+  kfree_sensitive
+  __kmalloc
+  kmalloc_caches
+  kmem_cache_alloc_trace
+  kmemdup
+  ktime_get
+  __list_add_valid
+  __list_del_entry_valid
+  memcpy
+  memset
+  __mutex_init
+  mutex_lock
+  mutex_unlock
+  panic
+  preempt_schedule
+  preempt_schedule_notrace
+  printk
+  queue_work_on
+  ___ratelimit
+  _raw_spin_lock
+  _raw_spin_unlock
+  refcount_warn_saturate
+  rng_is_initialized
+  scatterwalk_ffwd
+  scatterwalk_map_and_copy
+  sg_init_one
+  sg_init_table
+  sg_next
+  shash_free_singlespawn_instance
+  shash_register_instance
+  skcipher_alloc_instance_simple
+  skcipher_register_instance
+  skcipher_walk_aead_decrypt
+  skcipher_walk_aead_encrypt
+  skcipher_walk_done
+  skcipher_walk_virt
+  snprintf
+  __stack_chk_fail
+  strcmp
+  strlcat
+  strlcpy
+  strlen
+  strncmp
+  system_wq
+  __traceiter_android_vh_aes_decrypt
+  __traceiter_android_vh_aes_encrypt
+  __traceiter_android_vh_aes_expandkey
+  __traceiter_android_vh_sha256
+  __tracepoint_android_vh_aes_decrypt
+  __tracepoint_android_vh_aes_encrypt
+  __tracepoint_android_vh_aes_expandkey
+  __tracepoint_android_vh_sha256
+  tracepoint_probe_register
+  up_write
+  wait_for_completion
+  xa_load
+  xa_store
diff --git a/android/abi_gki_aarch64_galaxy b/android/abi_gki_aarch64_galaxy
new file mode 100644
index 0000000..27e48cc
--- /dev/null
+++ b/android/abi_gki_aarch64_galaxy
@@ -0,0 +1,103 @@
+[abi_symbol_list]
+  __blk_mq_debugfs_rq_show
+  __hrtimer_get_remaining
+  __kfree_skb
+  __percpu_down_read
+  __traceiter_android_rvh_dequeue_task_idle
+  __traceiter_android_rvh_report_bug
+  __traceiter_android_rvh_schedule_bug
+  __traceiter_android_vh_mutex_wait_finish
+  __traceiter_android_vh_mutex_wait_start
+  __traceiter_android_vh_ptype_head
+  __traceiter_android_vh_rtmutex_wait_finish
+  __traceiter_android_vh_rtmutex_wait_start
+  __traceiter_android_vh_rwsem_read_wait_finish
+  __traceiter_android_vh_rwsem_read_wait_start
+  __traceiter_android_vh_rwsem_write_wait_finish
+  __traceiter_android_vh_rwsem_write_wait_start
+  __traceiter_android_vh_sched_show_task
+  __traceiter_android_vh_try_to_freeze_todo
+  __traceiter_android_vh_try_to_freeze_todo_unfrozen
+  __traceiter_android_vh_watchdog_timer_softlockup
+  __traceiter_android_vh_wq_lockup_pool
+  __traceiter_kfree_skb
+  __tracepoint_android_rvh_dequeue_task_idle
+  __tracepoint_android_rvh_report_bug
+  __tracepoint_android_rvh_schedule_bug
+  __tracepoint_android_vh_mutex_wait_finish
+  __tracepoint_android_vh_mutex_wait_start
+  __tracepoint_android_vh_ptype_head
+  __tracepoint_android_vh_rtmutex_wait_finish
+  __tracepoint_android_vh_rtmutex_wait_start
+  __tracepoint_android_vh_rwsem_read_wait_finish
+  __tracepoint_android_vh_rwsem_read_wait_start
+  __tracepoint_android_vh_rwsem_write_wait_finish
+  __tracepoint_android_vh_rwsem_write_wait_start
+  __tracepoint_android_vh_sched_show_task
+  __tracepoint_android_vh_try_to_freeze_todo
+  __tracepoint_android_vh_try_to_freeze_todo_unfrozen
+  __tracepoint_android_vh_watchdog_timer_softlockup
+  __tracepoint_android_vh_wq_lockup_pool
+  __tracepoint_kfree_skb
+  alarm_start
+  blk_mq_debugfs_rq_show
+  blk_mq_sched_request_inserted
+  blk_mq_sched_try_insert_merge
+  blk_mq_sched_try_merge
+  blkcg_root
+  blkg_lookup_slowpath
+  bsearch
+  copy_from_kernel_nofault
+  create_function_device
+  driver_find
+  dump_align
+  dump_emit
+  elevator_alloc
+  elv_bio_merge_ok
+  elv_rb_add
+  elv_rb_del
+  elv_rb_find
+  elv_rb_former_request
+  elv_rb_latter_request
+  elv_register
+  elv_rqhash_add
+  elv_rqhash_del
+  elv_unregister
+  file_ra_state_init
+  generic_file_read_iter
+  get_mm_exe_file
+  kernfs_find_and_get_ns
+  kernfs_put
+  kimage_vaddr
+  kstrtos16
+  kthread_blkcg
+  kthread_park
+  kthread_should_park
+  name_to_dev_t
+  of_add_property
+  pm_get_active_wakeup_sources
+  rcuwait_wake_up
+  register_kretprobe
+  register_net_sysctl
+  regulator_bulk_free
+  sbitmap_queue_min_shallow_depth
+  seq_list_next
+  seq_list_start
+  skb_copy_ubufs
+  smp_call_function_single_async
+  smpboot_register_percpu_thread
+  smpboot_unregister_percpu_thread
+  snd_soc_add_card_controls
+  snd_soc_dai_set_tristate
+  stack_trace_save
+  stack_trace_save_regs
+  stack_trace_save_tsk
+  tcp_register_congestion_control
+  tcp_reno_cong_avoid
+  tcp_reno_ssthresh
+  tcp_reno_undo_cwnd
+  tcp_slow_start
+  tcp_unregister_congestion_control
+  unregister_kretprobe
+  usb_alloc_dev
+  usb_set_device_state
diff --git a/android/abi_gki_aarch64_generic b/android/abi_gki_aarch64_generic
new file mode 100644
index 0000000..ed39b50
--- /dev/null
+++ b/android/abi_gki_aarch64_generic
@@ -0,0 +1,2807 @@
+[abi_symbol_list]
+  activate_task
+  add_cpu
+  add_timer
+  add_timer_on
+  add_uevent_var
+  add_wait_queue
+  adjust_managed_page_count
+  aes_encrypt
+  aes_expandkey
+  alarm_cancel
+  alarm_init
+  alarm_start_relative
+  alarmtimer_get_rtcdev
+  alarm_try_to_cancel
+  alloc_anon_inode
+  alloc_chrdev_region
+  __alloc_disk_node
+  alloc_etherdev_mqs
+  alloc_iova_fast
+  alloc_netdev_mqs
+  alloc_pages_exact
+  __alloc_pages_nodemask
+  __alloc_percpu
+  __alloc_percpu_gfp
+  __alloc_skb
+  alloc_skb_with_frags
+  alloc_workqueue
+  amba_bustype
+  amba_driver_register
+  amba_driver_unregister
+  android_debug_symbol
+  android_rvh_probe_register
+  anon_inode_getfd
+  __arch_clear_user
+  __arch_copy_from_user
+  __arch_copy_in_user
+  __arch_copy_to_user
+  arch_timer_read_counter
+  argv_free
+  argv_split
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  __arm_smccc_smc
+  async_schedule_node_domain
+  async_synchronize_full_domain
+  atomic_notifier_call_chain
+  atomic_notifier_chain_register
+  atomic_notifier_chain_unregister
+  autoremove_wake_function
+  available_idle_cpu
+  backlight_device_set_brightness
+  badblocks_check
+  badblocks_clear
+  badblocks_exit
+  badblocks_init
+  badblocks_set
+  badblocks_show
+  bcmp
+  bdget_disk
+  bdput
+  bin2hex
+  bio_add_page
+  bio_alloc_bioset
+  bio_associate_blkg
+  bio_chain
+  bio_crypt_set_ctx
+  bio_endio
+  bio_init
+  bio_put
+  __bitmap_andnot
+  __bitmap_clear
+  __bitmap_equal
+  bitmap_find_next_zero_area_off
+  bitmap_from_arr32
+  __bitmap_or
+  bitmap_parse
+  bitmap_parselist
+  bitmap_print_to_pagebuf
+  __bitmap_set
+  bitmap_to_arr32
+  __bitmap_weight
+  __bitmap_xor
+  blk_abort_request
+  blk_alloc_queue
+  blk_check_plugged
+  blk_cleanup_queue
+  blk_crypto_init_key
+  blkdev_get_by_dev
+  blkdev_get_by_path
+  blkdev_put
+  blk_execute_rq_nowait
+  blk_get_request
+  blk_ksm_init_passthrough
+  blk_mq_alloc_tag_set
+  blk_mq_complete_request
+  blk_mq_end_request
+  blk_mq_free_tag_set
+  blk_mq_init_queue_data
+  blk_mq_start_request
+  blk_mq_start_stopped_hw_queues
+  blk_mq_stop_hw_queues
+  blk_mq_unique_tag
+  blk_mq_update_nr_hw_queues
+  blk_put_request
+  blk_queue_flag_clear
+  blk_queue_flag_set
+  blk_queue_io_min
+  blk_queue_io_opt
+  blk_queue_logical_block_size
+  blk_queue_max_discard_sectors
+  blk_queue_max_write_zeroes_sectors
+  blk_queue_physical_block_size
+  blk_queue_write_cache
+  blk_rq_map_user
+  blk_rq_map_user_iov
+  blk_rq_unmap_user
+  blk_status_to_errno
+  blk_verify_command
+  blocking_notifier_call_chain
+  blocking_notifier_chain_register
+  blocking_notifier_chain_unregister
+  bpf_trace_run1
+  bpf_trace_run10
+  bpf_trace_run11
+  bpf_trace_run12
+  bpf_trace_run2
+  bpf_trace_run3
+  bpf_trace_run4
+  bpf_trace_run5
+  bpf_trace_run6
+  bpf_trace_run7
+  bpf_trace_run8
+  bpf_trace_run9
+  build_skb
+  bus_find_device
+  bus_for_each_dev
+  bus_for_each_drv
+  bus_register
+  bus_register_notifier
+  bus_set_iommu
+  bus_unregister
+  bus_unregister_notifier
+  cache_line_size
+  cancel_delayed_work
+  cancel_delayed_work_sync
+  cancel_work_sync
+  capable
+  cdev_add
+  cdev_alloc
+  cdev_del
+  cdev_device_add
+  cdev_device_del
+  cdev_init
+  __cfg80211_alloc_event_skb
+  __cfg80211_alloc_reply_skb
+  cfg80211_calculate_bitrate
+  cfg80211_chandef_create
+  cfg80211_ch_switch_notify
+  cfg80211_connect_done
+  cfg80211_del_sta_sinfo
+  cfg80211_disconnected
+  cfg80211_external_auth_request
+  cfg80211_find_elem_match
+  cfg80211_get_bss
+  cfg80211_gtk_rekey_notify
+  cfg80211_ibss_joined
+  cfg80211_inform_bss_frame_data
+  cfg80211_mgmt_tx_status
+  cfg80211_michael_mic_failure
+  cfg80211_new_sta
+  cfg80211_pmksa_candidate_notify
+  cfg80211_port_authorized
+  cfg80211_put_bss
+  cfg80211_ready_on_channel
+  cfg80211_remain_on_channel_expired
+  cfg80211_roamed
+  cfg80211_rx_mgmt_khz
+  cfg80211_rx_unprot_mlme_mgmt
+  cfg80211_scan_done
+  cfg80211_sched_scan_results
+  cfg80211_sched_scan_stopped
+  cfg80211_sched_scan_stopped_rtnl
+  __cfg80211_send_event_skb
+  cfg80211_stop_iface
+  cfg80211_tdls_oper_request
+  cfg80211_unlink_bss
+  cfg80211_unregister_wdev
+  cfg80211_update_owe_info_event
+  cfg80211_vendor_cmd_get_sender
+  cfg80211_vendor_cmd_reply
+  __cfi_slowpath
+  __check_object_size
+  check_preempt_curr
+  __class_create
+  class_destroy
+  class_interface_unregister
+  __class_register
+  class_unregister
+  clear_page
+  __ClearPageMovable
+  clk_disable
+  clk_enable
+  clk_get
+  __clk_get_hw
+  __clk_get_name
+  clk_get_parent
+  clk_get_rate
+  clk_hw_get_name
+  clk_hw_get_parent
+  __clk_is_enabled
+  clk_prepare
+  clk_put
+  clk_register
+  clk_register_clkdev
+  clk_register_fixed_factor
+  clk_register_fixed_rate
+  clk_register_gate
+  clk_set_rate
+  clk_unprepare
+  clockevents_config_and_register
+  clocks_calc_mult_shift
+  __clocksource_register_scale
+  cma_alloc
+  cma_for_each_area
+  cma_get_name
+  cma_get_size
+  cma_release
+  compat_alloc_user_space
+  complete
+  complete_all
+  complete_and_exit
+  completion_done
+  component_add
+  component_bind_all
+  component_del
+  component_master_add_with_match
+  component_master_del
+  component_match_add_release
+  component_unbind_all
+  config_ep_by_speed
+  configfs_register_subsystem
+  configfs_unregister_subsystem
+  config_group_init
+  config_group_init_type_name
+  config_item_init_type_name
+  config_item_put
+  console_set_on_cmdline
+  console_suspend_enabled
+  console_trylock
+  console_unlock
+  __const_udelay
+  consume_skb
+  contig_page_data
+  _copy_from_iter
+  _copy_from_iter_full
+  _copy_to_iter
+  __cpu_active_mask
+  cpu_all_bits
+  cpu_bit_bitmap
+  cpufreq_add_update_util_hook
+  cpufreq_cpu_get
+  cpufreq_cpu_get_raw
+  cpufreq_cpu_put
+  cpufreq_disable_fast_switch
+  cpufreq_driver_fast_switch
+  cpufreq_driver_resolve_freq
+  __cpufreq_driver_target
+  cpufreq_driver_target
+  cpufreq_enable_fast_switch
+  cpufreq_freq_transition_begin
+  cpufreq_freq_transition_end
+  cpufreq_frequency_table_verify
+  cpufreq_generic_attr
+  cpufreq_get
+  cpufreq_get_policy
+  cpufreq_policy_transition_delay_us
+  cpufreq_quick_get
+  cpufreq_quick_get_max
+  cpufreq_register_driver
+  cpufreq_register_governor
+  cpufreq_register_notifier
+  cpufreq_remove_update_util_hook
+  cpufreq_table_index_unsorted
+  cpufreq_this_cpu_can_update
+  cpufreq_update_util_data
+  __cpuhp_remove_state
+  __cpuhp_setup_state
+  __cpuhp_setup_state_cpuslocked
+  __cpuhp_state_add_instance
+  __cpuhp_state_remove_instance
+  cpuhp_tasks_frozen
+  cpu_hwcap_keys
+  cpu_hwcaps
+  cpuidle_driver_state_disabled
+  cpuidle_get_driver
+  cpuidle_governor_latency_req
+  cpuidle_pause_and_lock
+  cpuidle_resume_and_unlock
+  cpu_latency_qos_add_request
+  cpu_latency_qos_remove_request
+  cpu_latency_qos_update_request
+  cpumask_any_and_distribute
+  cpumask_any_but
+  cpumask_next
+  cpumask_next_and
+  cpumask_next_wrap
+  cpu_number
+  __cpu_online_mask
+  cpu_pm_register_notifier
+  cpu_pm_unregister_notifier
+  __cpu_possible_mask
+  __cpu_present_mask
+  cpupri_find_fitness
+  cpu_scale
+  cpus_read_lock
+  cpus_read_unlock
+  cpu_subsys
+  cpu_topology
+  crc32_le
+  crc8
+  crc8_populate_msb
+  crypto_aead_decrypt
+  crypto_aead_encrypt
+  crypto_aead_setauthsize
+  crypto_aead_setkey
+  crypto_alloc_aead
+  crypto_alloc_base
+  crypto_alloc_shash
+  crypto_alloc_skcipher
+  crypto_alloc_sync_skcipher
+  crypto_comp_compress
+  crypto_comp_decompress
+  crypto_destroy_tfm
+  __crypto_memneq
+  crypto_register_alg
+  crypto_register_notifier
+  crypto_register_scomp
+  crypto_register_shash
+  crypto_req_done
+  crypto_shash_digest
+  crypto_shash_final
+  crypto_shash_finup
+  crypto_shash_setkey
+  crypto_shash_update
+  crypto_skcipher_decrypt
+  crypto_skcipher_encrypt
+  crypto_skcipher_setkey
+  crypto_unregister_alg
+  crypto_unregister_notifier
+  crypto_unregister_scomp
+  crypto_unregister_shash
+  csum_ipv6_magic
+  csum_partial
+  csum_tcpudp_nofold
+  _ctype
+  datagram_poll
+  deactivate_task
+  debugfs_attr_read
+  debugfs_attr_write
+  debugfs_create_atomic_t
+  debugfs_create_blob
+  debugfs_create_bool
+  debugfs_create_devm_seqfile
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_create_file_unsafe
+  debugfs_create_size_t
+  debugfs_create_symlink
+  debugfs_create_u16
+  debugfs_create_u32
+  debugfs_create_u64
+  debugfs_create_u8
+  debugfs_create_x32
+  debugfs_lookup
+  debugfs_remove
+  dec_zone_page_state
+  default_llseek
+  deferred_free
+  delayed_work_timer_fn
+  del_gendisk
+  del_timer
+  del_timer_sync
+  desc_to_gpio
+  destroy_workqueue
+  dev_alloc_name
+  dev_base_lock
+  dev_close
+  _dev_crit
+  dev_driver_string
+  _dev_emerg
+  _dev_err
+  dev_err_probe
+  devfreq_add_device
+  devfreq_add_governor
+  devfreq_monitor_resume
+  devfreq_monitor_start
+  devfreq_monitor_stop
+  devfreq_monitor_suspend
+  devfreq_recommended_opp
+  devfreq_register_opp_notifier
+  devfreq_remove_device
+  devfreq_unregister_opp_notifier
+  devfreq_update_interval
+  dev_fwnode
+  dev_get_by_name
+  dev_get_stats
+  device_add
+  device_add_disk
+  device_add_groups
+  device_create
+  device_create_file
+  device_create_with_groups
+  device_del
+  device_destroy
+  device_find_child
+  device_for_each_child
+  device_get_child_node_count
+  device_get_dma_attr
+  device_get_next_child_node
+  device_initialize
+  device_init_wakeup
+  device_link_add
+  device_link_del
+  device_match_fwnode
+  device_property_present
+  device_property_read_string
+  device_property_read_string_array
+  device_property_read_u32_array
+  device_register
+  device_remove_file
+  device_remove_groups
+  device_set_wakeup_capable
+  device_set_wakeup_enable
+  device_unregister
+  device_wakeup_enable
+  _dev_info
+  __dev_kfree_skb_any
+  devm_add_action
+  devm_backlight_device_register
+  devm_backlight_device_unregister
+  devm_blk_ksm_init
+  devm_clk_get
+  devm_clk_get_optional
+  devm_clk_hw_register
+  devm_clk_hw_register_clkdev
+  devm_clk_put
+  devm_device_add_group
+  devm_device_add_groups
+  devm_device_remove_group
+  __devm_drm_dev_alloc
+  devm_drm_panel_bridge_add_typed
+  devm_extcon_dev_allocate
+  devm_extcon_dev_register
+  devm_free_irq
+  devm_fwnode_gpiod_get_index
+  devm_fwnode_pwm_get
+  devm_gen_pool_create
+  devm_gpiochip_add_data_with_key
+  devm_gpiod_get
+  devm_gpiod_get_array
+  devm_gpiod_get_array_optional
+  devm_gpiod_get_optional
+  devm_gpiod_put_array
+  devm_gpio_free
+  devm_gpio_request
+  devm_gpio_request_one
+  devm_i2c_new_dummy_device
+  devm_iio_device_alloc
+  __devm_iio_device_register
+  devm_input_allocate_device
+  devm_ioremap
+  devm_ioremap_resource
+  devm_ioremap_wc
+  devm_iounmap
+  devm_kasprintf
+  devm_kfree
+  devm_kmalloc
+  devm_kmemdup
+  devm_kstrdup
+  devm_kstrdup_const
+  devm_led_classdev_register_ext
+  devm_mfd_add_devices
+  devm_nvmem_register
+  devm_of_clk_add_hw_provider
+  __devm_of_phy_provider_register
+  devm_of_platform_populate
+  devm_phy_create
+  devm_phy_get
+  devm_phy_put
+  devm_pinctrl_get
+  devm_pinctrl_put
+  devm_pinctrl_register
+  devm_pinctrl_register_and_init
+  devm_platform_ioremap_resource
+  devm_platform_ioremap_resource_byname
+  devm_power_supply_register
+  devm_pwm_get
+  devm_regmap_add_irq_chip
+  __devm_regmap_init
+  __devm_regmap_init_i2c
+  __devm_regmap_init_spi
+  devm_regulator_bulk_get
+  devm_regulator_get
+  devm_regulator_get_exclusive
+  devm_regulator_get_optional
+  devm_regulator_put
+  devm_regulator_register
+  __devm_request_region
+  devm_request_threaded_irq
+  devm_rtc_device_register
+  devm_snd_soc_register_component
+  devm_thermal_of_cooling_device_register
+  devm_thermal_zone_of_sensor_register
+  devm_thermal_zone_of_sensor_unregister
+  devm_usb_get_phy_by_phandle
+  _dev_notice
+  dev_pm_domain_attach_by_name
+  dev_pm_domain_detach
+  dev_pm_opp_add
+  dev_pm_opp_disable
+  dev_pm_opp_find_freq_ceil
+  dev_pm_opp_find_freq_exact
+  dev_pm_opp_find_freq_floor
+  dev_pm_opp_get_freq
+  dev_pm_opp_get_opp_count
+  dev_pm_opp_get_voltage
+  dev_pm_opp_of_add_table
+  dev_pm_opp_of_register_em
+  dev_pm_opp_of_remove_table
+  dev_pm_opp_put
+  dev_pm_opp_put_regulators
+  dev_pm_opp_set_regulators
+  dev_pm_qos_add_notifier
+  dev_pm_qos_add_request
+  dev_pm_qos_read_value
+  dev_pm_qos_remove_notifier
+  dev_pm_qos_remove_request
+  dev_pm_qos_update_request
+  dev_printk
+  dev_printk_emit
+  dev_queue_xmit
+  devres_add
+  devres_alloc_node
+  devres_free
+  dev_set_name
+  dev_vprintk_emit
+  _dev_warn
+  disable_irq
+  disable_irq_nosync
+  disable_percpu_irq
+  disk_end_io_acct
+  disk_start_io_acct
+  dma_alloc_attrs
+  dma_alloc_noncoherent
+  dma_async_device_register
+  dma_async_device_unregister
+  dma_async_tx_descriptor_init
+  dma_buf_attach
+  dma_buf_begin_cpu_access
+  dma_buf_begin_cpu_access_partial
+  dma_buf_detach
+  dma_buf_end_cpu_access
+  dma_buf_end_cpu_access_partial
+  dma_buf_export
+  dma_buf_fd
+  dma_buf_get
+  dma_buf_map_attachment
+  dma_buf_mmap
+  dmabuf_page_pool_alloc
+  dmabuf_page_pool_create
+  dmabuf_page_pool_destroy
+  dmabuf_page_pool_free
+  dma_buf_put
+  dma_buf_unmap_attachment
+  dma_buf_vmap
+  dma_buf_vunmap
+  dma_direct_alloc
+  dma_direct_free
+  dmaengine_unmap_put
+  dma_fence_add_callback
+  dma_fence_context_alloc
+  dma_fence_default_wait
+  dma_fence_get_status
+  dma_fence_init
+  dma_fence_release
+  dma_fence_remove_callback
+  dma_fence_signal
+  dma_fence_signal_locked
+  dma_fence_wait_timeout
+  dma_free_attrs
+  dma_free_noncoherent
+  dma_get_sgtable_attrs
+  dma_get_slave_caps
+  dma_get_slave_channel
+  dma_heap_add
+  dma_heap_buffer_alloc
+  dma_heap_find
+  dma_heap_get_dev
+  dma_heap_get_drvdata
+  dma_heap_get_name
+  dma_heap_put
+  dmam_alloc_attrs
+  dma_map_page_attrs
+  dma_map_resource
+  dma_map_sg_attrs
+  dma_mmap_attrs
+  dma_pool_alloc
+  dma_pool_free
+  dma_release_channel
+  dma_request_chan
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_sg_for_cpu
+  dma_sync_sg_for_device
+  dma_sync_single_for_cpu
+  dma_sync_single_for_device
+  dma_unmap_page_attrs
+  dma_unmap_resource
+  dma_unmap_sg_attrs
+  do_exit
+  do_SAK
+  do_wait_intr_irq
+  down
+  downgrade_write
+  down_interruptible
+  down_read
+  down_read_trylock
+  down_timeout
+  down_trylock
+  down_write
+  d_path
+  dput
+  drain_workqueue
+  driver_create_file
+  driver_register
+  driver_remove_file
+  driver_unregister
+  drm_add_modes_noedid
+  drm_atomic_add_affected_connectors
+  drm_atomic_add_affected_planes
+  drm_atomic_bridge_chain_disable
+  drm_atomic_bridge_chain_post_disable
+  drm_atomic_commit
+  drm_atomic_get_connector_state
+  drm_atomic_get_crtc_state
+  drm_atomic_get_new_connector_for_encoder
+  drm_atomic_get_old_connector_for_encoder
+  drm_atomic_get_plane_state
+  drm_atomic_get_private_obj_state
+  drm_atomic_helper_bridge_destroy_state
+  drm_atomic_helper_bridge_duplicate_state
+  drm_atomic_helper_bridge_reset
+  drm_atomic_helper_calc_timestamping_constants
+  drm_atomic_helper_check_modeset
+  drm_atomic_helper_check_planes
+  drm_atomic_helper_check_plane_state
+  drm_atomic_helper_cleanup_planes
+  drm_atomic_helper_commit_cleanup_done
+  drm_atomic_helper_commit_duplicated_state
+  drm_atomic_helper_commit_hw_done
+  drm_atomic_helper_commit_modeset_disables
+  drm_atomic_helper_commit_modeset_enables
+  drm_atomic_helper_commit_planes
+  drm_atomic_helper_commit_tail
+  __drm_atomic_helper_connector_destroy_state
+  __drm_atomic_helper_connector_duplicate_state
+  __drm_atomic_helper_crtc_destroy_state
+  __drm_atomic_helper_crtc_duplicate_state
+  __drm_atomic_helper_crtc_reset
+  drm_atomic_helper_disable_plane
+  drm_atomic_helper_duplicate_state
+  drm_atomic_helper_fake_vblank
+  drm_atomic_helper_page_flip
+  __drm_atomic_helper_plane_destroy_state
+  __drm_atomic_helper_plane_duplicate_state
+  drm_atomic_helper_prepare_planes
+  __drm_atomic_helper_private_obj_duplicate_state
+  drm_atomic_helper_set_config
+  drm_atomic_helper_setup_commit
+  drm_atomic_helper_shutdown
+  drm_atomic_helper_swap_state
+  drm_atomic_helper_update_legacy_modeset_state
+  drm_atomic_helper_update_plane
+  drm_atomic_helper_wait_for_dependencies
+  drm_atomic_helper_wait_for_fences
+  drm_atomic_helper_wait_for_flip_done
+  drm_atomic_nonblocking_commit
+  drm_atomic_normalize_zpos
+  drm_atomic_private_obj_fini
+  drm_atomic_private_obj_init
+  drm_atomic_set_crtc_for_connector
+  drm_atomic_set_crtc_for_plane
+  drm_atomic_set_fb_for_plane
+  drm_atomic_set_mode_prop_for_crtc
+  drm_atomic_state_alloc
+  drm_atomic_state_clear
+  __drm_atomic_state_free
+  drm_bridge_add
+  drm_bridge_attach
+  drm_bridge_chain_mode_set
+  drm_bridge_remove
+  drm_compat_ioctl
+  drm_connector_attach_encoder
+  drm_connector_cleanup
+  drm_connector_init
+  drm_connector_list_iter_begin
+  drm_connector_list_iter_end
+  drm_connector_list_iter_next
+  drm_connector_register
+  drm_connector_set_panel_orientation
+  drm_connector_unregister
+  drm_crtc_arm_vblank_event
+  drm_crtc_cleanup
+  __drm_crtc_commit_free
+  drm_crtc_enable_color_mgmt
+  drm_crtc_handle_vblank
+  drm_crtc_init_with_planes
+  drm_crtc_send_vblank_event
+  drm_crtc_vblank_count_and_time
+  drm_crtc_vblank_get
+  drm_crtc_vblank_off
+  drm_crtc_vblank_on
+  drm_crtc_vblank_put
+  drm_crtc_wait_one_vblank
+  __drm_dbg
+  drm_dev_has_vblank
+  drm_dev_put
+  drm_dev_register
+  drm_dev_unregister
+  drm_display_mode_to_videomode
+  drm_dsc_pps_payload_pack
+  drm_encoder_cleanup
+  drm_encoder_init
+  __drm_err
+  drm_event_cancel_free
+  drm_event_reserve_init
+  drm_format_info
+  drm_framebuffer_init
+  drm_gem_create_mmap_offset
+  drm_gem_fb_create_handle
+  drm_gem_fb_destroy
+  drm_gem_handle_create
+  drm_gem_mmap
+  drm_gem_object_free
+  drm_gem_object_lookup
+  drm_gem_object_release
+  drm_gem_prime_fd_to_handle
+  drm_gem_prime_handle_to_fd
+  drm_gem_prime_import_dev
+  drm_gem_private_object_init
+  drm_gem_vm_close
+  drm_gem_vm_open
+  drm_get_format_info
+  drm_get_format_name
+  drm_helper_mode_fill_fb_struct
+  drm_helper_probe_single_connector_modes
+  drm_ioctl
+  drm_kms_helper_hotplug_event
+  drm_kms_helper_poll_fini
+  drm_kms_helper_poll_init
+  drmm_kmalloc
+  drmm_mode_config_init
+  drm_mode_config_reset
+  drm_mode_convert_to_umode
+  drm_mode_duplicate
+  drm_mode_equal
+  drm_mode_equal_no_clocks
+  drm_mode_object_find
+  drm_mode_object_get
+  drm_mode_object_put
+  drm_mode_parse_command_line_for_connector
+  drm_mode_probed_add
+  drm_modeset_acquire_fini
+  drm_modeset_acquire_init
+  drm_modeset_backoff
+  drm_modeset_drop_locks
+  drm_modeset_lock
+  drm_modeset_lock_all_ctx
+  drm_modeset_unlock
+  drm_mode_vrefresh
+  drm_object_attach_property
+  drm_open
+  drm_panel_add
+  drm_panel_disable
+  drm_panel_enable
+  drm_panel_get_modes
+  drm_panel_init
+  drm_panel_prepare
+  drm_panel_remove
+  drm_panel_unprepare
+  drm_plane_cleanup
+  drm_plane_create_alpha_property
+  drm_plane_create_blend_mode_property
+  drm_plane_create_rotation_property
+  drm_plane_create_zpos_immutable_property
+  drm_plane_create_zpos_property
+  drm_poll
+  drm_prime_gem_destroy
+  drm_printf
+  __drm_printfn_debug
+  __drm_printfn_info
+  __drm_printfn_seq_file
+  drm_property_blob_get
+  drm_property_blob_put
+  drm_property_create
+  drm_property_create_bitmask
+  drm_property_create_blob
+  drm_property_create_bool
+  drm_property_create_enum
+  drm_property_create_range
+  drm_property_create_signed_range
+  drm_property_lookup_blob
+  drm_property_replace_blob
+  __drm_puts_seq_file
+  drm_read
+  drm_rect_clip_scaled
+  drm_rect_intersect
+  drm_release
+  drm_rotation_simplify
+  drm_self_refresh_helper_alter_state
+  drm_send_event
+  drm_send_event_locked
+  drm_universal_plane_init
+  drm_vblank_init
+  drm_writeback_connector_init
+  drm_writeback_queue_job
+  drm_writeback_signal_completion
+  dump_backtrace
+  dump_stack
+  dwc3_send_gadget_ep_cmd
+  dwc3_stop_active_transfer
+  dw_handle_msi_irq
+  dw_pcie_host_init
+  dw_pcie_msi_init
+  dw_pcie_read
+  dw_pcie_setup_rc
+  dw_pcie_write
+  __dynamic_dev_dbg
+  __dynamic_pr_debug
+  em_cpu_get
+  emergency_restart
+  enable_irq
+  enable_percpu_irq
+  errno_to_blk_status
+  ether_setup
+  eth_type_trans
+  eventfd_ctx_fdget
+  eventfd_ctx_put
+  eventfd_signal
+  event_triggers_call
+  extcon_get_edev_by_phandle
+  extcon_get_property
+  extcon_get_state
+  extcon_register_notifier
+  extcon_set_property
+  extcon_set_property_capability
+  extcon_set_property_sync
+  extcon_set_state_sync
+  extcon_unregister_notifier
+  failure_tracking
+  fasync_helper
+  __fdget
+  fd_install
+  fget
+  file_path
+  filp_close
+  filp_open_block
+  find_extend_vma
+  find_get_pid
+  find_last_bit
+  find_next_bit
+  find_next_zero_bit
+  find_pid_ns
+  find_task_by_vpid
+  find_vma
+  find_vm_area
+  find_vpid
+  finish_wait
+  firmware_request_nowarn
+  flush_dcache_page
+  flush_delayed_work
+  flush_work
+  flush_workqueue
+  fput
+  frame_vector_create
+  frame_vector_destroy
+  frame_vector_to_pages
+  free_iova_fast
+  free_irq
+  free_netdev
+  __free_pages
+  free_pages
+  free_pages_exact
+  free_percpu
+  free_percpu_irq
+  freezing_slow_path
+  freq_qos_add_request
+  freq_qos_remove_request
+  freq_qos_update_request
+  freq_scale
+  fs_bio_set
+  fsync_bdev
+  full_name_hash
+  fwnode_get_name
+  fwnode_gpiod_get_index
+  fwnode_handle_get
+  fwnode_handle_put
+  fwnode_property_present
+  fwnode_property_read_string
+  fwnode_property_read_u32_array
+  gcd
+  generic_file_llseek
+  generic_handle_irq
+  generic_iommu_put_resv_regions
+  genlmsg_put
+  genl_register_family
+  genl_unregister_family
+  gen_pool_add_owner
+  gen_pool_alloc_algo_owner
+  gen_pool_avail
+  gen_pool_best_fit
+  gen_pool_create
+  gen_pool_destroy
+  gen_pool_first_fit_align
+  gen_pool_free_owner
+  gen_pool_has_addr
+  gen_pool_set_algo
+  gen_pool_size
+  get_cpu_device
+  get_cpu_idle_time
+  get_cpu_idle_time_us
+  get_cpu_iowait_time_us
+  get_device
+  __get_free_pages
+  get_governor_parent_kobj
+  gether_cleanup
+  gether_connect
+  gether_disconnect
+  gether_get_dev_addr
+  gether_get_host_addr
+  gether_get_host_addr_u8
+  gether_get_ifname
+  gether_get_qmult
+  gether_register_netdev
+  gether_set_dev_addr
+  gether_set_gadget
+  gether_set_host_addr
+  gether_set_ifname
+  gether_set_qmult
+  gether_setup_name_default
+  get_pfnblock_flags_mask
+  get_pid_task
+  get_random_bytes
+  get_random_bytes_arch
+  get_random_u32
+  get_sg_io_hdr
+  __get_task_comm
+  get_task_cred
+  get_task_mm
+  get_thermal_instance
+  get_unused_fd_flags
+  get_user_pages
+  get_user_pages_fast
+  get_user_pages_remote
+  get_vaddr_frames
+  gic_nonsecure_priorities
+  glob_match
+  gov_attr_set_get
+  gov_attr_set_init
+  gov_attr_set_put
+  governor_sysfs_ops
+  gpiochip_generic_config
+  gpiochip_generic_free
+  gpiochip_generic_request
+  gpiochip_get_data
+  gpiochip_lock_as_irq
+  gpiochip_unlock_as_irq
+  gpiod_cansleep
+  gpiod_count
+  gpiod_direction_input
+  gpiod_direction_output
+  gpiod_direction_output_raw
+  gpiod_get_raw_value
+  gpiod_get_raw_value_cansleep
+  gpiod_get_value
+  gpiod_get_value_cansleep
+  gpiod_set_debounce
+  gpiod_set_raw_value
+  gpiod_set_raw_value_cansleep
+  gpiod_set_value
+  gpiod_set_value_cansleep
+  gpiod_to_irq
+  gpio_free
+  gpio_request
+  gpio_request_one
+  gpio_to_desc
+  gserial_alloc_line
+  gserial_connect
+  gserial_disconnect
+  handle_edge_irq
+  handle_level_irq
+  handle_nested_irq
+  handle_simple_irq
+  handle_sysrq
+  hashlen_string
+  have_governor_per_policy
+  hex2bin
+  hex_dump_to_buffer
+  hex_to_bin
+  hid_add_device
+  hid_allocate_device
+  hid_debug
+  hid_destroy_device
+  hid_hw_start
+  hid_input_report
+  hid_open_report
+  hid_parse_report
+  __hid_register_driver
+  hid_unregister_driver
+  hrtimer_active
+  hrtimer_cancel
+  hrtimer_forward
+  hrtimer_init
+  hrtimer_init_sleeper
+  hrtimer_sleeper_start_expires
+  hrtimer_start_range_ns
+  hrtimer_try_to_cancel
+  hwrng_register
+  hwrng_unregister
+  i2c_adapter_type
+  i2c_add_numbered_adapter
+  i2c_bus_type
+  i2c_del_adapter
+  i2c_del_driver
+  i2c_for_each_dev
+  i2c_get_adapter
+  i2c_match_id
+  i2c_new_ancillary_device
+  i2c_new_client_device
+  i2c_new_dummy_device
+  i2c_put_adapter
+  i2c_register_driver
+  i2c_smbus_read_byte
+  i2c_smbus_read_byte_data
+  i2c_smbus_write_byte_data
+  i2c_smbus_xfer
+  i2c_transfer
+  i2c_transfer_buffer_flags
+  i2c_unregister_device
+  i2c_verify_client
+  ida_alloc_range
+  ida_destroy
+  ida_free
+  idr_alloc
+  idr_alloc_cyclic
+  idr_destroy
+  idr_find
+  idr_for_each
+  idr_get_next
+  idr_preload
+  idr_remove
+  ieee80211_channel_to_freq_khz
+  ieee80211_freq_khz_to_channel
+  ieee80211_get_channel_khz
+  ieee80211_hdrlen
+  iio_device_unregister
+  import_iovec
+  in6_pton
+  in_aton
+  inc_zone_page_state
+  in_egroup_p
+  init_dummy_netdev
+  init_iova_domain
+  init_net
+  init_pid_ns
+  init_pseudo
+  __init_rwsem
+  __init_swait_queue_head
+  init_task
+  init_timer_key
+  init_user_ns
+  init_wait_entry
+  __init_waitqueue_head
+  input_alloc_absinfo
+  input_allocate_device
+  input_close_device
+  input_event
+  input_ff_create
+  input_free_device
+  input_mt_destroy_slots
+  input_mt_init_slots
+  input_mt_report_slot_state
+  input_mt_sync_frame
+  input_open_device
+  input_register_device
+  input_register_handle
+  input_register_handler
+  input_set_abs_params
+  input_set_capability
+  input_set_timestamp
+  input_unregister_device
+  input_unregister_handle
+  input_unregister_handler
+  interval_tree_insert
+  interval_tree_iter_first
+  interval_tree_iter_next
+  interval_tree_remove
+  int_sqrt
+  int_to_scsilun
+  iomem_resource
+  iommu_alloc_resv_region
+  iommu_attach_group
+  iommu_aux_attach_device
+  iommu_aux_detach_device
+  iommu_aux_get_pasid
+  iommu_dev_enable_feature
+  iommu_dev_feature_enabled
+  iommu_device_register
+  iommu_device_sysfs_add
+  iommu_device_sysfs_remove
+  iommu_device_unlink
+  iommu_device_unregister
+  iommu_dma_enable_best_fit_algo
+  iommu_domain_alloc
+  iommu_domain_free
+  iommu_fwspec_add_ids
+  iommu_fwspec_free
+  iommu_get_dma_cookie
+  iommu_get_domain_for_dev
+  iommu_group_alloc
+  iommu_group_for_each_dev
+  iommu_group_get
+  iommu_group_get_iommudata
+  iommu_group_put
+  iommu_group_set_iommudata
+  iommu_group_set_name
+  iommu_iova_to_phys
+  iommu_map
+  iommu_map_sg
+  iommu_put_dma_cookie
+  iommu_register_device_fault_handler
+  iommu_report_device_fault
+  iommu_set_fault_handler
+  iommu_unmap
+  iommu_unregister_device_fault_handler
+  __ioremap
+  io_schedule
+  io_schedule_timeout
+  iounmap
+  iov_iter_bvec
+  ip_compute_csum
+  ip_send_check
+  iput
+  __ipv6_addr_type
+  __irq_alloc_descs
+  irq_create_mapping_affinity
+  irq_create_of_mapping
+  __irq_domain_add
+  irq_domain_get_irq_data
+  irq_domain_remove
+  irq_domain_set_info
+  irq_domain_xlate_twocell
+  irq_find_mapping
+  irq_get_irq_data
+  irq_modify_status
+  irq_of_parse_and_map
+  irq_set_affinity_hint
+  irq_set_chained_handler_and_data
+  irq_set_chip_and_handler_name
+  irq_set_chip_data
+  irq_set_irq_type
+  irq_set_irq_wake
+  irq_to_desc
+  irq_work_queue
+  irq_work_sync
+  is_vmalloc_addr
+  jiffies
+  jiffies64_to_msecs
+  jiffies_to_msecs
+  jiffies_to_usecs
+  kasan_flag_enabled
+  kasprintf
+  kernel_bind
+  kernel_connect
+  kernel_cpustat
+  kernel_getsockname
+  kernel_kobj
+  kernel_recvmsg
+  kernel_restart
+  kernel_sendmsg
+  kernfs_find_and_get_ns
+  kernfs_notify
+  kernfs_put
+  kern_mount
+  kern_unmount
+  __kfifo_alloc
+  __kfifo_free
+  __kfifo_from_user_r
+  __kfifo_in
+  __kfifo_init
+  __kfifo_in_r
+  __kfifo_out
+  __kfifo_out_peek
+  __kfifo_skip_r
+  __kfifo_to_user_r
+  kfree
+  kfree_sensitive
+  kfree_skb
+  kill_anon_super
+  kill_fasync
+  kimage_voffset
+  __kmalloc
+  kmalloc_caches
+  kmalloc_order
+  kmalloc_order_trace
+  kmem_cache_alloc
+  kmem_cache_alloc_trace
+  kmem_cache_create
+  kmem_cache_create_usercopy
+  kmem_cache_destroy
+  kmem_cache_free
+  kmemdup
+  kobject_add
+  kobject_create_and_add
+  kobject_del
+  kobject_get
+  kobject_init
+  kobject_init_and_add
+  kobject_put
+  kobject_rename
+  kobject_uevent
+  kobject_uevent_env
+  kobj_sysfs_ops
+  krealloc
+  ksize
+  kstat
+  kstrdup
+  kstrndup
+  kstrtobool
+  kstrtobool_from_user
+  kstrtoint
+  kstrtoint_from_user
+  kstrtol_from_user
+  kstrtoll
+  kstrtos8
+  kstrtou16
+  kstrtou8
+  kstrtou8_from_user
+  kstrtouint
+  kstrtouint_from_user
+  kstrtoull
+  kstrtoull_from_user
+  kthread_bind
+  kthread_bind_mask
+  kthread_cancel_delayed_work_sync
+  kthread_cancel_work_sync
+  kthread_create_on_cpu
+  kthread_create_on_node
+  kthread_create_worker
+  kthread_delayed_work_timer_fn
+  kthread_destroy_worker
+  kthread_flush_work
+  kthread_flush_worker
+  __kthread_init_worker
+  kthread_mod_delayed_work
+  kthread_park
+  kthread_parkme
+  kthread_queue_delayed_work
+  kthread_queue_work
+  kthread_should_park
+  kthread_should_stop
+  kthread_stop
+  kthread_unpark
+  kthread_worker_fn
+  ktime_get
+  ktime_get_mono_fast_ns
+  ktime_get_raw
+  ktime_get_raw_ts64
+  ktime_get_real_seconds
+  ktime_get_real_ts64
+  ktime_get_snapshot
+  ktime_get_ts64
+  ktime_get_with_offset
+  kvfree
+  kvfree_call_rcu
+  kvmalloc_node
+  led_classdev_register_ext
+  led_classdev_unregister
+  __list_add_valid
+  __list_del_entry_valid
+  list_sort
+  __local_bh_enable_ip
+  __lock_page
+  lock_sock_nested
+  log_abnormal_wakeup_reason
+  __log_post_read_mmio
+  __log_read_mmio
+  log_threaded_irq_wakeup_reason
+  __log_write_mmio
+  loops_per_jiffy
+  lru_cache_disable
+  lru_cache_enable
+  lzo1x_1_compress
+  lzo1x_decompress_safe
+  lzorle1x_1_compress
+  mac_pton
+  mbox_chan_received_data
+  mbox_controller_register
+  mbox_controller_unregister
+  mbox_free_channel
+  mbox_request_channel
+  mbox_send_message
+  memchr
+  memcmp
+  memcpy
+  __memcpy_fromio
+  __memcpy_toio
+  memdup_user
+  memdup_user_nul
+  memmove
+  memparse
+  mempool_alloc
+  mempool_alloc_slab
+  mempool_create
+  mempool_destroy
+  mempool_free
+  mempool_free_slab
+  memremap
+  memset
+  memset64
+  __memset_io
+  memstart_addr
+  memunmap
+  mfd_add_devices
+  mfd_remove_devices
+  mipi_dsi_attach
+  mipi_dsi_compression_mode
+  mipi_dsi_create_packet
+  mipi_dsi_dcs_read
+  mipi_dsi_dcs_set_column_address
+  mipi_dsi_dcs_set_display_brightness
+  mipi_dsi_dcs_set_page_address
+  mipi_dsi_dcs_write_buffer
+  mipi_dsi_detach
+  mipi_dsi_device_register_full
+  mipi_dsi_driver_register_full
+  mipi_dsi_driver_unregister
+  mipi_dsi_host_register
+  mipi_dsi_host_unregister
+  mipi_dsi_packet_format_is_long
+  mipi_dsi_picture_parameter_set
+  misc_deregister
+  misc_register
+  __mmdrop
+  mmput
+  mod_delayed_work_on
+  mod_timer
+  __module_get
+  module_layout
+  module_put
+  __msecs_to_jiffies
+  msleep
+  msleep_interruptible
+  __mutex_init
+  mutex_is_locked
+  mutex_lock
+  mutex_lock_interruptible
+  mutex_trylock
+  mutex_unlock
+  __napi_alloc_skb
+  napi_complete_done
+  napi_disable
+  napi_gro_flush
+  napi_gro_receive
+  __napi_schedule
+  napi_schedule_prep
+  __netdev_alloc_skb
+  netdev_state_change
+  netdev_update_features
+  netif_carrier_off
+  netif_carrier_on
+  netif_napi_add
+  __netif_napi_del
+  netif_receive_skb
+  netif_receive_skb_list
+  netif_rx
+  netif_rx_ni
+  netif_schedule_queue
+  netif_tx_stop_all_queues
+  netif_tx_wake_queue
+  netlink_broadcast
+  __netlink_kernel_create
+  netlink_kernel_release
+  netlink_unicast
+  net_ratelimit
+  nf_register_net_hooks
+  nf_unregister_net_hooks
+  nla_append
+  nla_memcpy
+  __nla_parse
+  nla_put
+  nla_put_64bit
+  nla_put_nohdr
+  nla_reserve
+  nla_strlcpy
+  __nlmsg_put
+  no_llseek
+  nonseekable_open
+  noop_llseek
+  nr_cpu_ids
+  nr_irqs
+  ns_capable
+  ns_capable_noaudit
+  nsec_to_clock_t
+  ns_to_timespec64
+  __num_online_cpus
+  nvhe_hyp_panic_handler
+  nvmem_device_put
+  nvmem_device_read
+  nvmem_device_write
+  of_address_to_resource
+  of_alias_get_id
+  of_clk_add_provider
+  of_clk_get
+  of_clk_get_by_name
+  of_clk_hw_simple_get
+  of_clk_src_onecell_get
+  of_count_phandle_with_args
+  of_cpu_node_to_id
+  of_device_get_match_data
+  of_device_is_available
+  of_device_is_compatible
+  of_dma_controller_free
+  of_dma_controller_register
+  of_dma_is_coherent
+  of_drm_find_bridge
+  of_drm_find_panel
+  of_find_backlight_by_node
+  of_find_compatible_node
+  of_find_device_by_node
+  of_find_i2c_adapter_by_node
+  of_find_i2c_device_by_node
+  of_find_matching_node_and_match
+  of_find_node_by_name
+  of_find_node_by_phandle
+  of_find_node_by_type
+  of_find_node_opts_by_path
+  of_find_node_with_property
+  of_find_property
+  of_fwnode_ops
+  of_genpd_add_provider_simple
+  of_get_child_by_name
+  of_get_cpu_node
+  of_get_dma_window
+  of_get_named_gpio_flags
+  of_get_next_available_child
+  of_get_next_child
+  of_get_next_parent
+  of_get_property
+  of_get_regulator_init_data
+  of_graph_get_next_endpoint
+  of_graph_get_port_parent
+  of_graph_get_remote_endpoint
+  of_graph_is_present
+  of_graph_parse_endpoint
+  of_iomap
+  of_irq_find_parent
+  of_irq_get
+  of_irq_get_byname
+  of_irq_parse_one
+  of_machine_is_compatible
+  of_match_device
+  of_match_node
+  of_n_addr_cells
+  of_node_name_eq
+  of_n_size_cells
+  of_nvmem_device_get
+  of_parse_phandle
+  of_parse_phandle_with_args
+  of_parse_phandle_with_fixed_args
+  of_phandle_iterator_init
+  of_phandle_iterator_next
+  of_platform_depopulate
+  of_platform_populate
+  of_property_count_elems_of_size
+  of_property_match_string
+  of_property_read_string
+  of_property_read_string_helper
+  of_property_read_u32_index
+  of_property_read_u64
+  of_property_read_u64_index
+  of_property_read_variable_u16_array
+  of_property_read_variable_u32_array
+  of_property_read_variable_u64_array
+  of_property_read_variable_u8_array
+  of_prop_next_string
+  of_prop_next_u32
+  of_pwm_xlate_with_flags
+  of_reserved_mem_device_init_by_idx
+  of_reserved_mem_device_release
+  of_reserved_mem_lookup
+  of_root
+  of_thermal_get_ntrips
+  of_thermal_get_trip_points
+  of_thermal_is_trip_valid
+  of_translate_address
+  of_usb_host_tpl_support
+  page_endio
+  page_frag_alloc
+  __page_frag_cache_drain
+  page_frag_free
+  page_mapping
+  page_pinner_inited
+  __page_pinner_put_page
+  panic
+  panic_notifier_list
+  param_array_ops
+  param_get_int
+  param_get_string
+  param_ops_bool
+  param_ops_byte
+  param_ops_charp
+  param_ops_int
+  param_ops_long
+  param_ops_string
+  param_ops_uint
+  param_ops_ulong
+  param_set_copystring
+  param_set_int
+  pause_cpus
+  pci_alloc_irq_vectors_affinity
+  pci_assign_resource
+  pci_clear_master
+  pci_disable_device
+  pci_disable_msi
+  pcie_capability_read_word
+  pci_enable_device
+  pci_enable_wake
+  pci_find_bus
+  pci_find_capability
+  pci_find_ext_capability
+  pci_free_irq_vectors
+  pci_get_device
+  pci_iomap
+  pci_irq_vector
+  pci_load_and_free_saved_state
+  pci_load_saved_state
+  pci_msi_mask_irq
+  pci_msi_unmask_irq
+  pci_read_config_dword
+  pci_read_config_word
+  __pci_register_driver
+  pci_release_region
+  pci_release_regions
+  pci_request_region
+  pci_rescan_bus
+  pci_restore_msi_state
+  pci_restore_state
+  pci_save_state
+  pci_set_master
+  pci_set_power_state
+  pci_store_saved_state
+  pci_unregister_driver
+  pci_wake_from_d3
+  pci_write_config_dword
+  pci_write_config_word
+  PDE_DATA
+  pelt_load_avg_max
+  __per_cpu_offset
+  perf_aux_output_begin
+  perf_aux_output_end
+  perf_aux_output_flag
+  perf_event_addr_filters_sync
+  perf_event_create_kernel_counter
+  perf_event_disable
+  perf_event_enable
+  perf_event_pause
+  perf_event_read_local
+  perf_event_read_value
+  perf_event_release_kernel
+  perf_event_update_userpage
+  perf_get_aux
+  perf_pmu_migrate_context
+  perf_pmu_register
+  perf_pmu_unregister
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  pfn_valid
+  phy_init
+  phy_power_off
+  phy_power_on
+  pid_task
+  pinconf_generic_dt_free_map
+  pinconf_generic_dt_node_to_map
+  pinctrl_add_gpio_range
+  pinctrl_dev_get_drvdata
+  pinctrl_enable
+  pinctrl_force_sleep
+  pinctrl_lookup_state
+  pinctrl_remove_gpio_range
+  pinctrl_select_state
+  pin_get_name
+  pin_user_pages
+  pin_user_pages_fast
+  pin_user_pages_remote
+  pktgen_xfrm_outer_mode_output
+  pkvm_iommu_finalize
+  pkvm_iommu_resume
+  pkvm_iommu_s2mpu_register
+  pkvm_iommu_suspend
+  pkvm_iommu_sysmmu_sync_register
+  platform_bus_type
+  platform_device_add
+  platform_device_add_data
+  platform_device_add_properties
+  platform_device_add_resources
+  platform_device_alloc
+  platform_device_del
+  platform_device_put
+  platform_device_register
+  platform_device_register_full
+  platform_device_unregister
+  __platform_driver_probe
+  __platform_driver_register
+  platform_driver_unregister
+  platform_find_device_by_driver
+  platform_get_irq
+  platform_get_irq_byname
+  platform_get_irq_optional
+  platform_get_resource
+  platform_get_resource_byname
+  platform_irq_count
+  pm_genpd_add_subdomain
+  pm_genpd_init
+  pm_power_off
+  __pm_relax
+  pm_relax
+  pm_runtime_allow
+  __pm_runtime_disable
+  pm_runtime_enable
+  pm_runtime_forbid
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+  pm_runtime_get_if_active
+  __pm_runtime_idle
+  pm_runtime_irq_safe
+  __pm_runtime_resume
+  pm_runtime_set_autosuspend_delay
+  __pm_runtime_set_status
+  __pm_runtime_suspend
+  __pm_runtime_use_autosuspend
+  __pm_stay_awake
+  pm_stay_awake
+  pm_system_wakeup
+  pm_wakeup_dev_event
+  pm_wakeup_ws_event
+  power_supply_changed
+  power_supply_get_by_name
+  power_supply_get_by_phandle_array
+  power_supply_get_drvdata
+  power_supply_get_property
+  power_supply_put
+  power_supply_register
+  power_supply_reg_notifier
+  power_supply_set_property
+  power_supply_unregister
+  power_supply_unreg_notifier
+  prandom_bytes
+  prandom_u32
+  preempt_schedule
+  preempt_schedule_notrace
+  prepare_to_wait
+  prepare_to_wait_event
+  print_hex_dump
+  printk
+  printk_deferred
+  __printk_ratelimit
+  proc_create
+  proc_create_data
+  proc_create_single_data
+  proc_dointvec
+  proc_dostring
+  proc_douintvec_minmax
+  proc_mkdir
+  proc_mkdir_data
+  proc_remove
+  proc_set_size
+  proto_register
+  proto_unregister
+  pskb_expand_head
+  __pskb_pull_tail
+  __put_cred
+  put_device
+  put_disk
+  put_iova_domain
+  __put_page
+  put_pid
+  put_sg_io_hdr
+  __put_task_struct
+  put_unused_fd
+  put_vaddr_frames
+  pwm_apply_state
+  pwmchip_add
+  pwmchip_remove
+  pwm_get_chip_data
+  pwm_set_chip_data
+  queue_delayed_work_on
+  queue_work_on
+  radix_tree_delete_item
+  radix_tree_gang_lookup
+  radix_tree_insert
+  radix_tree_iter_delete
+  radix_tree_lookup
+  radix_tree_next_chunk
+  radix_tree_preload
+  ___ratelimit
+  raw_notifier_call_chain
+  raw_notifier_chain_register
+  raw_notifier_chain_unregister
+  _raw_read_lock
+  _raw_read_lock_bh
+  _raw_read_lock_irq
+  _raw_read_lock_irqsave
+  _raw_read_unlock
+  _raw_read_unlock_bh
+  _raw_read_unlock_irq
+  _raw_read_unlock_irqrestore
+  _raw_spin_lock
+  _raw_spin_lock_bh
+  _raw_spin_lock_irq
+  _raw_spin_lock_irqsave
+  _raw_spin_trylock
+  _raw_spin_unlock
+  _raw_spin_unlock_bh
+  _raw_spin_unlock_irq
+  _raw_spin_unlock_irqrestore
+  _raw_write_lock
+  _raw_write_lock_bh
+  _raw_write_lock_irq
+  _raw_write_lock_irqsave
+  _raw_write_unlock
+  _raw_write_unlock_bh
+  _raw_write_unlock_irq
+  _raw_write_unlock_irqrestore
+  rb_erase
+  rb_first
+  rb_insert_color
+  rb_next
+  rb_prev
+  rb_replace_node
+  __rcu_read_lock
+  __rcu_read_unlock
+  rdev_get_drvdata
+  rdev_get_id
+  reboot_mode
+  refcount_dec_not_one
+  refcount_warn_saturate
+  __refrigerator
+  regcache_cache_only
+  regcache_drop_region
+  regcache_mark_dirty
+  regcache_sync
+  register_blkdev
+  __register_chrdev
+  register_chrdev_region
+  register_console
+  register_die_notifier
+  register_inet6addr_notifier
+  register_inetaddr_notifier
+  register_kernel_break_hook
+  register_netdev
+  register_netdevice
+  register_netdevice_notifier
+  register_netevent_notifier
+  register_oom_notifier
+  register_pernet_subsys
+  register_pm_notifier
+  register_reboot_notifier
+  register_restart_handler
+  register_shrinker
+  register_syscore_ops
+  register_sysctl
+  register_sysctl_table
+  register_virtio_device
+  register_virtio_driver
+  regmap_async_complete
+  regmap_bulk_read
+  regmap_bulk_write
+  regmap_get_device
+  regmap_irq_get_virq
+  regmap_multi_reg_write
+  regmap_multi_reg_write_bypassed
+  regmap_raw_read
+  regmap_raw_write
+  regmap_raw_write_async
+  regmap_read
+  regmap_register_patch
+  regmap_update_bits_base
+  regmap_write
+  regulator_bulk_disable
+  regulator_bulk_enable
+  regulator_count_voltages
+  regulator_disable
+  regulator_disable_regmap
+  regulator_enable
+  regulator_enable_regmap
+  regulator_get
+  regulator_get_optional
+  regulator_get_voltage
+  regulator_get_voltage_sel_regmap
+  regulator_is_enabled
+  regulator_is_enabled_regmap
+  regulator_list_voltage_linear
+  regulator_map_voltage_linear
+  regulator_notifier_call_chain
+  regulator_put
+  regulator_register
+  regulator_set_active_discharge_regmap
+  regulator_set_load
+  regulator_set_voltage
+  regulator_set_voltage_sel_regmap
+  regulator_unregister
+  regulatory_hint
+  regulatory_set_wiphy_regd
+  regulatory_set_wiphy_regd_sync_rtnl
+  release_firmware
+  __release_region
+  release_sock
+  remap_pfn_range
+  remap_vmalloc_range
+  remove_cpu
+  remove_proc_entry
+  remove_wait_queue
+  request_firmware
+  request_firmware_nowait
+  __request_percpu_irq
+  __request_region
+  request_threaded_irq
+  resched_curr
+  resume_cpus
+  return_address
+  revalidate_disk_size
+  reweight_task
+  rfkill_alloc
+  rfkill_destroy
+  rfkill_init_sw_state
+  rfkill_register
+  rfkill_unregister
+  __root_device_register
+  root_device_unregister
+  root_task_group
+  rps_needed
+  rtc_class_close
+  rtc_class_open
+  rtc_read_time
+  rtc_time64_to_tm
+  rtc_tm_to_time64
+  rtc_update_irq
+  rtc_valid_tm
+  rt_mutex_destroy
+  __rt_mutex_init
+  rt_mutex_lock
+  rt_mutex_trylock
+  rt_mutex_unlock
+  rtnl_is_locked
+  rtnl_lock
+  rtnl_trylock
+  rtnl_unlock
+  runqueues
+  sched_clock
+  sched_feat_keys
+  sched_setattr_nocheck
+  sched_set_fifo
+  sched_setscheduler
+  sched_setscheduler_nocheck
+  sched_show_task
+  sched_trace_cfs_rq_avg
+  sched_trace_cfs_rq_cpu
+  sched_trace_cfs_rq_path
+  sched_trace_rd_span
+  sched_trace_rq_avg_dl
+  sched_trace_rq_avg_irq
+  sched_trace_rq_avg_rt
+  sched_trace_rq_cpu
+  sched_uclamp_used
+  schedule
+  schedule_timeout
+  schedule_timeout_interruptible
+  scnprintf
+  scsi_add_host_with_dma
+  scsi_autopm_get_device
+  scsi_autopm_put_device
+  scsi_block_requests
+  scsi_block_when_processing_errors
+  scsi_build_sense_buffer
+  scsi_change_queue_depth
+  scsi_command_size_tbl
+  scsi_compat_ioctl
+  scsi_device_get
+  scsi_device_put
+  scsi_host_alloc
+  scsi_host_put
+  scsi_ioctl
+  scsi_ioctl_block_when_processing_errors
+  __scsi_iterate_devices
+  scsi_normalize_sense
+  __scsi_print_sense
+  scsi_register_interface
+  scsi_remove_host
+  scsi_scan_host
+  scsi_set_sense_information
+  scsi_unblock_requests
+  sdev_prefix_printk
+  send_sig_info
+  seq_hex_dump
+  seq_lseek
+  seq_open
+  __seq_open_private
+  seq_printf
+  seq_putc
+  seq_puts
+  seq_read
+  seq_release
+  seq_release_private
+  seq_vprintf
+  seq_write
+  set_blocksize
+  set_cpus_allowed_ptr
+  set_freezable
+  set_normalized_timespec64
+  set_page_dirty
+  set_page_dirty_lock
+  __SetPageMovable
+  set_task_cpu
+  set_user_nice
+  sg_alloc_table
+  sg_alloc_table_from_pages
+  sg_copy_buffer
+  sg_copy_from_buffer
+  sg_copy_to_buffer
+  sg_free_table
+  sg_init_one
+  sg_init_table
+  sg_miter_next
+  sg_miter_start
+  sg_miter_stop
+  sg_next
+  __sg_page_iter_next
+  __sg_page_iter_start
+  sg_pcopy_from_buffer
+  sg_scsi_ioctl
+  shmem_file_setup
+  simple_attr_open
+  simple_attr_read
+  simple_attr_release
+  simple_attr_write
+  simple_open
+  simple_read_from_buffer
+  simple_strtol
+  simple_strtoll
+  simple_strtoul
+  simple_strtoull
+  simple_write_to_buffer
+  single_open
+  single_open_size
+  single_release
+  sk_alloc
+  skb_add_rx_frag
+  skb_checksum
+  skb_clone
+  skb_coalesce_rx_frag
+  skb_copy
+  skb_copy_bits
+  skb_copy_datagram_iter
+  skb_copy_expand
+  skb_dequeue
+  skb_dequeue_tail
+  skb_free_datagram
+  __skb_get_hash
+  __skb_pad
+  skb_pull
+  skb_push
+  skb_put
+  skb_queue_head
+  skb_queue_purge
+  skb_queue_tail
+  skb_realloc_headroom
+  skb_recv_datagram
+  skb_set_owner_w
+  skb_store_bits
+  skb_trim
+  sk_free
+  skip_spaces
+  smp_call_function
+  smp_call_function_single
+  smp_call_on_cpu
+  snd_compr_stop_error
+  snd_ctl_add
+  snd_ctl_boolean_mono_info
+  snd_ctl_enum_info
+  snd_ctl_new1
+  snd_ctl_notify
+  snd_info_create_card_entry
+  snd_jack_set_key
+  snd_pcm_format_physical_width
+  snd_pcm_format_width
+  snd_pcm_hw_constraint_list
+  snd_pcm_lib_free_pages
+  snd_pcm_lib_ioctl
+  snd_pcm_lib_malloc_pages
+  snd_pcm_lib_preallocate_pages
+  snd_pcm_period_elapsed
+  snd_soc_add_component_controls
+  snd_soc_add_dai_controls
+  snd_soc_bytes_tlv_callback
+  snd_soc_card_get_kcontrol
+  snd_soc_card_jack_new
+  snd_soc_component_disable_pin
+  snd_soc_component_enable_pin
+  snd_soc_component_force_enable_pin
+  snd_soc_component_get_pin_status
+  snd_soc_component_read
+  snd_soc_component_set_jack
+  snd_soc_component_set_pll
+  snd_soc_component_set_sysclk
+  snd_soc_component_update_bits
+  snd_soc_component_write
+  snd_soc_dai_set_pll
+  snd_soc_dai_set_sysclk
+  snd_soc_dai_set_tdm_slot
+  snd_soc_dapm_add_routes
+  snd_soc_dapm_del_routes
+  snd_soc_dapm_disable_pin
+  snd_soc_dapm_disable_pin_unlocked
+  snd_soc_dapm_force_enable_pin_unlocked
+  snd_soc_dapm_get_enum_double
+  snd_soc_dapm_get_pin_status
+  snd_soc_dapm_get_volsw
+  snd_soc_dapm_ignore_suspend
+  snd_soc_dapm_kcontrol_widget
+  snd_soc_dapm_mixer_update_power
+  snd_soc_dapm_new_controls
+  snd_soc_dapm_put_enum_double
+  snd_soc_dapm_put_volsw
+  snd_soc_dapm_sync
+  snd_soc_dapm_sync_unlocked
+  snd_soc_get_enum_double
+  snd_soc_get_volsw
+  snd_soc_get_volsw_range
+  snd_soc_get_volsw_sx
+  snd_soc_info_enum_double
+  snd_soc_info_volsw
+  snd_soc_info_volsw_range
+  snd_soc_info_volsw_sx
+  snd_soc_jack_report
+  snd_soc_lookup_component
+  snd_soc_new_compress
+  snd_soc_of_get_dai_link_codecs
+  snd_soc_of_get_dai_name
+  snd_soc_of_parse_card_name
+  snd_soc_of_parse_daifmt
+  snd_soc_params_to_bclk
+  snd_soc_params_to_frame_size
+  snd_soc_put_enum_double
+  snd_soc_put_volsw
+  snd_soc_put_volsw_range
+  snd_soc_put_volsw_sx
+  snd_soc_register_card
+  snd_soc_register_component
+  snd_soc_runtime_set_dai_fmt
+  snd_soc_unregister_card
+  snd_soc_unregister_component
+  snd_vendor_set_ops
+  snprintf
+  soc_device_register
+  sock_alloc_send_skb
+  sock_create_kern
+  sock_gettstamp
+  sock_init_data
+  sock_no_accept
+  sock_no_listen
+  sock_no_mmap
+  sock_no_sendpage
+  sock_no_shutdown
+  sock_no_socketpair
+  sock_queue_rcv_skb
+  sock_register
+  sock_release
+  sock_setsockopt
+  sock_unregister
+  sock_wfree
+  softnet_data
+  sort
+  __spi_alloc_controller
+  spi_bus_lock
+  spi_bus_unlock
+  spi_controller_resume
+  spi_controller_suspend
+  spi_finalize_current_message
+  spi_register_controller
+  __spi_register_driver
+  spi_set_cs_timing
+  spi_setup
+  spi_sync
+  spi_sync_locked
+  spi_unregister_controller
+  split_page
+  sprintf
+  sprint_symbol
+  srcu_init_notifier_head
+  srcu_notifier_call_chain
+  srcu_notifier_chain_register
+  srcu_notifier_chain_unregister
+  sscanf
+  __stack_chk_fail
+  static_key_disable
+  static_key_enable
+  static_key_slow_dec
+  static_key_slow_inc
+  stop_machine
+  stpcpy
+  strcasecmp
+  strcat
+  strchr
+  strchrnul
+  strcmp
+  strcpy
+  strcspn
+  stream_open
+  strim
+  strlcat
+  strlcpy
+  strlen
+  strncasecmp
+  strncat
+  strnchr
+  strncmp
+  strncpy
+  strncpy_from_user
+  strndup_user
+  strnlen
+  strnstr
+  strpbrk
+  strrchr
+  strscpy
+  strsep
+  strspn
+  strstr
+  submit_bio
+  submit_bio_wait
+  subsys_system_register
+  suspend_set_ops
+  __sw_hweight32
+  __sw_hweight64
+  sync_file_create
+  sync_file_get_fence
+  synchronize_irq
+  synchronize_net
+  synchronize_rcu
+  syscon_regmap_lookup_by_phandle
+  sysctl_sched_features
+  sysctl_sched_latency
+  sysfs_add_file_to_group
+  sysfs_add_link_to_group
+  sysfs_create_file_ns
+  sysfs_create_files
+  sysfs_create_group
+  sysfs_create_groups
+  sysfs_create_link
+  sysfs_emit
+  sysfs_emit_at
+  __sysfs_match_string
+  sysfs_notify
+  sysfs_remove_file_from_group
+  sysfs_remove_file_ns
+  sysfs_remove_group
+  sysfs_remove_groups
+  sysfs_remove_link
+  sysfs_remove_link_from_group
+  sysfs_streq
+  sysfs_update_group
+  sysrq_mask
+  system_freezing_cnt
+  system_highpri_wq
+  system_long_wq
+  system_power_efficient_wq
+  system_state
+  system_unbound_wq
+  system_wq
+  sys_tz
+  task_active_pid_ns
+  __tasklet_hi_schedule
+  tasklet_init
+  tasklet_kill
+  __tasklet_schedule
+  task_may_not_preempt
+  __task_pid_nr_ns
+  task_rq_lock
+  tcpci_get_tcpm_port
+  tcpci_irq
+  tcpci_register_port
+  tcpci_unregister_port
+  tcpm_cc_change
+  tcpm_is_toggling
+  tcpm_pd_hard_reset
+  tcpm_pd_receive
+  tcpm_pd_transmit_complete
+  tcpm_sink_frs
+  tcpm_sourcing_vbus
+  tcpm_update_sink_capabilities
+  tcpm_vbus_change
+  teo_cpu_get_util_threshold
+  teo_cpu_set_util_threshold
+  thermal_cdev_update
+  thermal_cooling_device_unregister
+  thermal_of_cooling_device_register
+  thermal_pressure
+  thermal_zone_device_disable
+  thermal_zone_device_enable
+  thermal_zone_device_is_enabled
+  thermal_zone_device_register
+  thermal_zone_device_unregister
+  thermal_zone_device_update
+  thermal_zone_of_sensor_register
+  thermal_zone_of_sensor_unregister
+  thread_group_cputime_adjusted
+  tick_nohz_get_idle_calls_cpu
+  time64_to_tm
+  topology_set_thermal_pressure
+  _totalram_pages
+  touch_softlockup_watchdog
+  __trace_bprintk
+  __trace_bputs
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  __traceiter_android_rvh_arm64_serror_panic
+  __traceiter_android_rvh_attach_entity_load_avg
+  __traceiter_android_rvh_bad_mode
+  __traceiter_android_rvh_can_migrate_task
+  __traceiter_android_rvh_cgroup_force_kthread_migration
+  __traceiter_android_rvh_check_preempt_wakeup
+  __traceiter_android_rvh_cpu_cgroup_online
+  __traceiter_android_rvh_cpumask_any_and_distribute
+  __traceiter_android_rvh_cpu_overutilized
+  __traceiter_android_rvh_dequeue_task
+  __traceiter_android_rvh_dequeue_task_fair
+  __traceiter_android_rvh_detach_entity_load_avg
+  __traceiter_android_rvh_die_kernel_fault
+  __traceiter_android_rvh_do_mem_abort
+  __traceiter_android_rvh_do_sea
+  __traceiter_android_rvh_do_sp_pc_abort
+  __traceiter_android_rvh_do_undefinstr
+  __traceiter_android_rvh_enqueue_task
+  __traceiter_android_rvh_enqueue_task_fair
+  __traceiter_android_rvh_find_energy_efficient_cpu
+  __traceiter_android_rvh_irqs_disable
+  __traceiter_android_rvh_irqs_enable
+  __traceiter_android_rvh_pci_d3_sleep
+  __traceiter_android_rvh_post_init_entity_util_avg
+  __traceiter_android_rvh_preempt_disable
+  __traceiter_android_rvh_preempt_enable
+  __traceiter_android_rvh_prepare_prio_fork
+  __traceiter_android_rvh_remove_entity_load_avg
+  __traceiter_android_rvh_rtmutex_prepare_setprio
+  __traceiter_android_rvh_sched_fork
+  __traceiter_android_rvh_sched_newidle_balance
+  __traceiter_android_rvh_select_task_rq_fair
+  __traceiter_android_rvh_select_task_rq_rt
+  __traceiter_android_rvh_set_iowait
+  __traceiter_android_rvh_setscheduler
+  __traceiter_android_rvh_set_task_cpu
+  __traceiter_android_rvh_set_user_nice
+  __traceiter_android_rvh_typec_tcpci_chk_contaminant
+  __traceiter_android_rvh_typec_tcpci_get_vbus
+  __traceiter_android_rvh_uclamp_eff_get
+  __traceiter_android_rvh_uclamp_rq_util_with
+  __traceiter_android_rvh_ufs_complete_init
+  __traceiter_android_rvh_ufs_reprogram_all_keys
+  __traceiter_android_rvh_update_blocked_fair
+  __traceiter_android_rvh_update_load_avg
+  __traceiter_android_rvh_update_misfit_status
+  __traceiter_android_rvh_update_rq_clock_pelt
+  __traceiter_android_rvh_update_rt_rq_load_avg
+  __traceiter_android_rvh_util_est_update
+  __traceiter_android_vh_arch_set_freq_scale
+  __traceiter_android_vh_bh_lru_install
+  __traceiter_android_vh_binder_restore_priority
+  __traceiter_android_vh_binder_set_priority
+  __traceiter_android_vh_cma_alloc_adjust
+  __traceiter_android_vh_cma_alloc_finish
+  __traceiter_android_vh_cma_alloc_start
+  __traceiter_android_vh_cpu_idle_enter
+  __traceiter_android_vh_cpu_idle_exit
+  __traceiter_android_vh_do_madvise_blk_plug
+  __traceiter_android_vh_dump_throttled_rt_tasks
+  __traceiter_android_vh_dup_task_struct
+  __traceiter_android_vh_early_resume_begin
+  __traceiter_android_vh_enable_thermal_genl_check
+  __traceiter_android_vh_ep_create_wakeup_source
+  __traceiter_android_vh_get_user_pages
+  __traceiter_android_vh___get_user_pages_remote
+  __traceiter_android_vh_internal_get_user_pages_fast
+  __traceiter_android_vh_ipi_stop
+  __traceiter_android_vh_meminfo_proc_show
+  __traceiter_android_vh_mm_compaction_begin
+  __traceiter_android_vh_mm_compaction_end
+  __traceiter_android_vh_of_i2c_get_board_info
+  __traceiter_android_vh_pagecache_get_page
+  __traceiter_android_vh_pagevec_drain
+  __traceiter_android_vh_pin_user_pages
+  __traceiter_android_vh_rebuild_root_domains_bypass
+  __traceiter_android_vh_reclaim_pages_plug
+  __traceiter_android_vh_resume_end
+  __traceiter_android_vh_rmqueue
+  __traceiter_android_vh_sched_setaffinity_early
+  __traceiter_android_vh_scheduler_tick
+  __traceiter_android_vh_setscheduler_uclamp
+  __traceiter_android_vh_show_max_freq
+  __traceiter_android_vh_shrink_inactive_list_blk_plug
+  __traceiter_android_vh_shrink_lruvec_blk_plug
+  __traceiter_android_vh_skip_lru_disable
+  __traceiter_android_vh_snd_compr_use_pause_in_drain
+  __traceiter_android_vh_sound_usb_support_cpu_suspend
+  __traceiter_android_vh_sysrq_crash
+  __traceiter_android_vh_thermal_pm_notify_suspend
+  __traceiter_android_vh_timerfd_create
+  __traceiter_android_vh_try_grab_compound_head
+  __traceiter_android_vh_try_to_freeze_todo_logging
+  __traceiter_android_vh_typec_store_partner_src_caps
+  __traceiter_android_vh_typec_tcpci_override_toggling
+  __traceiter_android_vh_typec_tcpm_get_timer
+  __traceiter_android_vh_typec_tcpm_log
+  __traceiter_android_vh_typec_tcpm_modify_src_caps
+  __traceiter_android_vh_uclamp_validate
+  __traceiter_android_vh_ufs_check_int_errors
+  __traceiter_android_vh_ufs_compl_command
+  __traceiter_android_vh_ufs_fill_prdt
+  __traceiter_android_vh_ufs_prepare_command
+  __traceiter_android_vh_ufs_send_command
+  __traceiter_android_vh_ufs_send_tm_command
+  __traceiter_android_vh_ufs_send_uic_command
+  __traceiter_android_vh_ufs_update_sdev
+  __traceiter_android_vh_ufs_update_sysfs
+  __traceiter_android_vh_usb_dev_resume
+  __traceiter_android_vh_usb_dev_suspend
+  __traceiter_android_vh_zap_pte_range_tlb_end
+  __traceiter_android_vh_zap_pte_range_tlb_force_flush
+  __traceiter_android_vh_zap_pte_range_tlb_start
+  __traceiter_clock_set_rate
+  __traceiter_cpu_frequency
+  __traceiter_device_pm_callback_end
+  __traceiter_device_pm_callback_start
+  __traceiter_dwc3_readl
+  __traceiter_dwc3_writel
+  __traceiter_gpu_mem_total
+  __traceiter_hrtimer_expire_entry
+  __traceiter_hrtimer_expire_exit
+  __traceiter_irq_handler_entry
+  __traceiter_irq_handler_exit
+  __traceiter_mm_vmscan_direct_reclaim_begin
+  __traceiter_mm_vmscan_direct_reclaim_end
+  __traceiter_pelt_cfs_tp
+  __traceiter_pelt_dl_tp
+  __traceiter_pelt_irq_tp
+  __traceiter_pelt_rt_tp
+  __traceiter_pelt_se_tp
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __traceiter_sched_cpu_capacity_tp
+  __traceiter_sched_overutilized_tp
+  __traceiter_sched_switch
+  __traceiter_sched_util_est_cfs_tp
+  __traceiter_sched_util_est_se_tp
+  __traceiter_sched_wakeup
+  __traceiter_softirq_entry
+  __traceiter_softirq_exit
+  __traceiter_suspend_resume
+  __traceiter_workqueue_execute_end
+  __traceiter_workqueue_execute_start
+  trace_output_call
+  __tracepoint_android_rvh_arm64_serror_panic
+  __tracepoint_android_rvh_attach_entity_load_avg
+  __tracepoint_android_rvh_bad_mode
+  __tracepoint_android_rvh_can_migrate_task
+  __tracepoint_android_rvh_cgroup_force_kthread_migration
+  __tracepoint_android_rvh_check_preempt_wakeup
+  __tracepoint_android_rvh_cpu_cgroup_online
+  __tracepoint_android_rvh_cpumask_any_and_distribute
+  __tracepoint_android_rvh_cpu_overutilized
+  __tracepoint_android_rvh_dequeue_task
+  __tracepoint_android_rvh_dequeue_task_fair
+  __tracepoint_android_rvh_detach_entity_load_avg
+  __tracepoint_android_rvh_die_kernel_fault
+  __tracepoint_android_rvh_do_mem_abort
+  __tracepoint_android_rvh_do_sea
+  __tracepoint_android_rvh_do_sp_pc_abort
+  __tracepoint_android_rvh_do_undefinstr
+  __tracepoint_android_rvh_enqueue_task
+  __tracepoint_android_rvh_enqueue_task_fair
+  __tracepoint_android_rvh_find_energy_efficient_cpu
+  __tracepoint_android_rvh_irqs_disable
+  __tracepoint_android_rvh_irqs_enable
+  __tracepoint_android_rvh_pci_d3_sleep
+  __tracepoint_android_rvh_post_init_entity_util_avg
+  __tracepoint_android_rvh_preempt_disable
+  __tracepoint_android_rvh_preempt_enable
+  __tracepoint_android_rvh_prepare_prio_fork
+  __tracepoint_android_rvh_remove_entity_load_avg
+  __tracepoint_android_rvh_rtmutex_prepare_setprio
+  __tracepoint_android_rvh_sched_fork
+  __tracepoint_android_rvh_sched_newidle_balance
+  __tracepoint_android_rvh_select_task_rq_fair
+  __tracepoint_android_rvh_select_task_rq_rt
+  __tracepoint_android_rvh_set_iowait
+  __tracepoint_android_rvh_setscheduler
+  __tracepoint_android_rvh_set_task_cpu
+  __tracepoint_android_rvh_set_user_nice
+  __tracepoint_android_rvh_typec_tcpci_chk_contaminant
+  __tracepoint_android_rvh_typec_tcpci_get_vbus
+  __tracepoint_android_rvh_uclamp_eff_get
+  __tracepoint_android_rvh_uclamp_rq_util_with
+  __tracepoint_android_rvh_ufs_complete_init
+  __tracepoint_android_rvh_ufs_reprogram_all_keys
+  __tracepoint_android_rvh_update_blocked_fair
+  __tracepoint_android_rvh_update_load_avg
+  __tracepoint_android_rvh_update_misfit_status
+  __tracepoint_android_rvh_update_rq_clock_pelt
+  __tracepoint_android_rvh_update_rt_rq_load_avg
+  __tracepoint_android_rvh_util_est_update
+  __tracepoint_android_vh_arch_set_freq_scale
+  __tracepoint_android_vh_bh_lru_install
+  __tracepoint_android_vh_binder_restore_priority
+  __tracepoint_android_vh_binder_set_priority
+  __tracepoint_android_vh_cma_alloc_adjust
+  __tracepoint_android_vh_cma_alloc_finish
+  __tracepoint_android_vh_cma_alloc_start
+  __tracepoint_android_vh_cpu_idle_enter
+  __tracepoint_android_vh_cpu_idle_exit
+  __tracepoint_android_vh_do_madvise_blk_plug
+  __tracepoint_android_vh_dump_throttled_rt_tasks
+  __tracepoint_android_vh_dup_task_struct
+  __tracepoint_android_vh_early_resume_begin
+  __tracepoint_android_vh_enable_thermal_genl_check
+  __tracepoint_android_vh_ep_create_wakeup_source
+  __tracepoint_android_vh_get_user_pages
+  __tracepoint_android_vh___get_user_pages_remote
+  __tracepoint_android_vh_internal_get_user_pages_fast
+  __tracepoint_android_vh_ipi_stop
+  __tracepoint_android_vh_meminfo_proc_show
+  __tracepoint_android_vh_mm_compaction_begin
+  __tracepoint_android_vh_mm_compaction_end
+  __tracepoint_android_vh_of_i2c_get_board_info
+  __tracepoint_android_vh_pagecache_get_page
+  __tracepoint_android_vh_pagevec_drain
+  __tracepoint_android_vh_pin_user_pages
+  __tracepoint_android_vh_rebuild_root_domains_bypass
+  __tracepoint_android_vh_reclaim_pages_plug
+  __tracepoint_android_vh_resume_end
+  __tracepoint_android_vh_rmqueue
+  __tracepoint_android_vh_sched_setaffinity_early
+  __tracepoint_android_vh_scheduler_tick
+  __tracepoint_android_vh_setscheduler_uclamp
+  __tracepoint_android_vh_show_max_freq
+  __tracepoint_android_vh_shrink_inactive_list_blk_plug
+  __tracepoint_android_vh_shrink_lruvec_blk_plug
+  __tracepoint_android_vh_skip_lru_disable
+  __tracepoint_android_vh_snd_compr_use_pause_in_drain
+  __tracepoint_android_vh_sound_usb_support_cpu_suspend
+  __tracepoint_android_vh_sysrq_crash
+  __tracepoint_android_vh_thermal_pm_notify_suspend
+  __tracepoint_android_vh_timerfd_create
+  __tracepoint_android_vh_try_grab_compound_head
+  __tracepoint_android_vh_try_to_freeze_todo_logging
+  __tracepoint_android_vh_typec_store_partner_src_caps
+  __tracepoint_android_vh_typec_tcpci_override_toggling
+  __tracepoint_android_vh_typec_tcpm_get_timer
+  __tracepoint_android_vh_typec_tcpm_log
+  __tracepoint_android_vh_typec_tcpm_modify_src_caps
+  __tracepoint_android_vh_uclamp_validate
+  __tracepoint_android_vh_ufs_check_int_errors
+  __tracepoint_android_vh_ufs_compl_command
+  __tracepoint_android_vh_ufs_fill_prdt
+  __tracepoint_android_vh_ufs_prepare_command
+  __tracepoint_android_vh_ufs_send_command
+  __tracepoint_android_vh_ufs_send_tm_command
+  __tracepoint_android_vh_ufs_send_uic_command
+  __tracepoint_android_vh_ufs_update_sdev
+  __tracepoint_android_vh_ufs_update_sysfs
+  __tracepoint_android_vh_usb_dev_resume
+  __tracepoint_android_vh_usb_dev_suspend
+  __tracepoint_android_vh_zap_pte_range_tlb_end
+  __tracepoint_android_vh_zap_pte_range_tlb_force_flush
+  __tracepoint_android_vh_zap_pte_range_tlb_start
+  __tracepoint_clock_set_rate
+  __tracepoint_cpu_frequency
+  __tracepoint_device_pm_callback_end
+  __tracepoint_device_pm_callback_start
+  __tracepoint_dwc3_readl
+  __tracepoint_dwc3_writel
+  __tracepoint_gpu_mem_total
+  __tracepoint_hrtimer_expire_entry
+  __tracepoint_hrtimer_expire_exit
+  __tracepoint_irq_handler_entry
+  __tracepoint_irq_handler_exit
+  __tracepoint_mm_vmscan_direct_reclaim_begin
+  __tracepoint_mm_vmscan_direct_reclaim_end
+  __tracepoint_pelt_cfs_tp
+  __tracepoint_pelt_dl_tp
+  __tracepoint_pelt_irq_tp
+  __tracepoint_pelt_rt_tp
+  __tracepoint_pelt_se_tp
+  tracepoint_probe_register
+  tracepoint_probe_unregister
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  __tracepoint_sched_cpu_capacity_tp
+  __tracepoint_sched_overutilized_tp
+  __tracepoint_sched_switch
+  __tracepoint_sched_util_est_cfs_tp
+  __tracepoint_sched_util_est_se_tp
+  __tracepoint_sched_wakeup
+  __tracepoint_softirq_entry
+  __tracepoint_softirq_exit
+  __tracepoint_suspend_resume
+  __tracepoint_workqueue_execute_end
+  __tracepoint_workqueue_execute_start
+  trace_print_array_seq
+  trace_print_bitmask_seq
+  trace_print_flags_seq
+  trace_print_hex_seq
+  trace_print_symbols_seq
+  trace_raw_output_prep
+  trace_seq_printf
+  try_module_get
+  try_to_del_timer_sync
+  tty_flip_buffer_push
+  tty_insert_flip_string_fixed_flag
+  tty_kref_put
+  tty_port_tty_get
+  typec_switch_get_drvdata
+  typec_switch_register
+  typec_switch_unregister
+  uart_add_one_port
+  uart_console_device
+  uart_console_write
+  uart_get_baud_rate
+  uart_parse_options
+  uart_register_driver
+  uart_remove_one_port
+  uart_resume_port
+  uart_set_options
+  uart_suspend_port
+  uart_try_toggle_sysrq
+  uart_unregister_driver
+  uart_update_timeout
+  uart_write_wakeup
+  uclamp_eff_value
+  __udelay
+  udp4_hwcsum
+  ufshcd_bkops_ctrl
+  ufshcd_hold
+  ufshcd_pltfrm_init
+  ufshcd_query_attr_retry
+  ufshcd_query_flag_retry
+  ufshcd_read_desc_param
+  ufshcd_release
+  ufshcd_remove
+  ufshcd_shutdown
+  ufshcd_system_resume
+  ufshcd_system_suspend
+  __uio_register_device
+  uio_unregister_device
+  unlock_page
+  unmap_mapping_range
+  unpin_user_page
+  unregister_blkdev
+  __unregister_chrdev
+  unregister_chrdev_region
+  unregister_inet6addr_notifier
+  unregister_inetaddr_notifier
+  unregister_netdev
+  unregister_netdevice_notifier
+  unregister_netdevice_queue
+  unregister_netevent_notifier
+  unregister_oom_notifier
+  unregister_pernet_subsys
+  unregister_pm_notifier
+  unregister_reboot_notifier
+  unregister_shrinker
+  unregister_syscore_ops
+  unregister_sysctl_table
+  unregister_virtio_device
+  unregister_virtio_driver
+  up
+  update_devfreq
+  ___update_load_avg
+  __update_load_avg_blocked_se
+  ___update_load_sum
+  update_rq_clock
+  up_read
+  up_write
+  usb_add_function
+  usb_add_hcd
+  usb_assign_descriptors
+  usb_copy_descriptors
+  __usb_create_hcd
+  usb_disabled
+  usb_enable_autosuspend
+  usb_ep_alloc_request
+  usb_ep_autoconfig
+  usb_ep_disable
+  usb_ep_enable
+  usb_ep_free_request
+  usb_ep_queue
+  usb_free_all_descriptors
+  usb_function_register
+  usb_function_unregister
+  usb_gadget_activate
+  usb_gadget_deactivate
+  usb_gadget_set_state
+  usb_gstrings_attach
+  usb_hcd_is_primary_hcd
+  usb_hcd_platform_shutdown
+  usb_hub_find_child
+  usb_interface_id
+  usb_os_desc_prepare_interf_dir
+  usb_otg_state_string
+  usb_put_function_instance
+  usb_put_hcd
+  usb_register_notify
+  usb_remove_hcd
+  usb_role_switch_get_drvdata
+  usb_role_switch_register
+  usb_role_switch_unregister
+  usb_speed_string
+  usb_string_id
+  usb_udc_vbus_handler
+  usb_unregister_notify
+  __usecs_to_jiffies
+  usleep_range
+  uuid_gen
+  v4l2_ctrl_handler_free
+  v4l2_ctrl_handler_init_class
+  v4l2_ctrl_log_status
+  v4l2_ctrl_new_custom
+  v4l2_ctrl_new_std
+  v4l2_ctrl_new_std_menu
+  v4l2_device_register
+  v4l2_device_unregister
+  v4l2_fh_add
+  v4l2_fh_del
+  v4l2_fh_exit
+  v4l2_fh_init
+  v4l2_fh_open
+  v4l2_m2m_buf_queue
+  v4l2_m2m_buf_remove
+  v4l2_m2m_ctx_init
+  v4l2_m2m_ctx_release
+  v4l2_m2m_fop_mmap
+  v4l2_m2m_fop_poll
+  v4l2_m2m_get_curr_priv
+  v4l2_m2m_get_vq
+  v4l2_m2m_init
+  v4l2_m2m_ioctl_dqbuf
+  v4l2_m2m_ioctl_querybuf
+  v4l2_m2m_ioctl_reqbufs
+  v4l2_m2m_ioctl_streamoff
+  v4l2_m2m_ioctl_streamon
+  v4l2_m2m_job_finish
+  v4l2_m2m_next_buf
+  v4l2_m2m_qbuf
+  v4l2_m2m_release
+  vabits_actual
+  vb2_buffer_done
+  vb2_common_vm_ops
+  vb2_create_framevec
+  vb2_destroy_framevec
+  vb2_dma_sg_memops
+  vb2_dqbuf
+  vb2_fop_mmap
+  vb2_fop_poll
+  vb2_fop_read
+  vb2_fop_release
+  vb2_ioctl_create_bufs
+  vb2_ioctl_dqbuf
+  vb2_ioctl_expbuf
+  vb2_ioctl_qbuf
+  vb2_ioctl_querybuf
+  vb2_ioctl_reqbufs
+  vb2_ioctl_streamoff
+  vb2_ioctl_streamon
+  vb2_mmap
+  vb2_ops_wait_finish
+  vb2_ops_wait_prepare
+  vb2_plane_cookie
+  vb2_plane_vaddr
+  vb2_poll
+  vb2_qbuf
+  vb2_querybuf
+  vb2_queue_init
+  vb2_queue_release
+  vb2_reqbufs
+  vb2_streamoff
+  vb2_streamon
+  vb2_vmalloc_memops
+  vb2_wait_for_all_buffers
+  vfree
+  video_devdata
+  video_device_alloc
+  video_device_release
+  video_device_release_empty
+  video_ioctl2
+  __video_register_device
+  video_unregister_device
+  virtqueue_add_inbuf
+  virtqueue_add_outbuf
+  virtqueue_detach_unused_buf
+  virtqueue_get_buf
+  virtqueue_get_vring_size
+  virtqueue_kick
+  virtqueue_kick_prepare
+  virtqueue_notify
+  vmalloc
+  vmalloc_to_page
+  vmalloc_user
+  vmap
+  vmf_insert_pfn_prot
+  vm_map_pages
+  vm_map_ram
+  vm_unmap_ram
+  vprintk
+  vprintk_emit
+  vring_del_virtqueue
+  vring_interrupt
+  vring_new_virtqueue
+  vscnprintf
+  vsnprintf
+  vsscanf
+  vunmap
+  vzalloc
+  vzalloc_node
+  wait_for_completion
+  wait_for_completion_interruptible
+  wait_for_completion_interruptible_timeout
+  wait_for_completion_killable
+  wait_for_completion_timeout
+  wait_on_page_bit
+  wait_woken
+  __wake_up
+  __wake_up_locked
+  wake_up_process
+  wakeup_source_add
+  wakeup_source_create
+  wakeup_source_destroy
+  wakeup_source_register
+  wakeup_source_remove
+  wakeup_source_unregister
+  __wake_up_sync
+  __warn_printk
+  watchdog_init_timeout
+  watchdog_register_device
+  watchdog_set_restart_priority
+  watchdog_unregister_device
+  wiphy_apply_custom_regulatory
+  wiphy_free
+  wiphy_new_nm
+  wiphy_register
+  wiphy_unregister
+  wireless_send_event
+  woken_wake_function
+  work_busy
+  __xa_alloc
+  xa_clear_mark
+  xa_destroy
+  xa_erase
+  xa_find
+  xa_find_after
+  xa_get_mark
+  __xa_insert
+  xa_load
+  xa_set_mark
+  xa_store
+  __xfrm_state_destroy
+  xfrm_state_lookup_byspi
+  xfrm_stateonly_find
+  xhci_address_device
+  xhci_bus_resume
+  xhci_bus_suspend
+  xhci_gen_setup
+  xhci_get_ep_ctx
+  xhci_get_slot_ctx
+  xhci_handle_event
+  xhci_init_driver
+  xhci_resume
+  xhci_ring_alloc
+  xhci_ring_free
+  xhci_run
+  xhci_suspend
+  xhci_update_erst_dequeue
+  xhci_vendor_get_ops
diff --git a/android/abi_gki_aarch64_hikey960 b/android/abi_gki_aarch64_hikey960
new file mode 100644
index 0000000..eb9e5e3
--- /dev/null
+++ b/android/abi_gki_aarch64_hikey960
@@ -0,0 +1,1270 @@
+[abi_symbol_list]
+# commonly used symbols
+  alloc_chrdev_region
+  __alloc_disk_node
+  __alloc_pages_nodemask
+  alloc_workqueue
+  amba_driver_register
+  amba_driver_unregister
+  amba_release_regions
+  amba_request_regions
+  __arch_copy_from_user
+  __arch_copy_to_user
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  blk_cleanup_queue
+  blk_execute_rq
+  blk_execute_rq_nowait
+  blk_get_queue
+  blk_mq_alloc_tag_set
+  blk_mq_complete_request
+  blk_mq_end_request
+  blk_mq_free_request
+  blk_mq_free_tag_set
+  blk_mq_init_queue
+  blk_mq_quiesce_queue
+  blk_mq_requeue_request
+  blk_mq_start_request
+  blk_mq_tagset_busy_iter
+  blk_mq_tagset_wait_completed_request
+  blk_mq_unquiesce_queue
+  blk_put_queue
+  blk_queue_flag_clear
+  blk_queue_flag_set
+  blk_queue_logical_block_size
+  blk_queue_max_discard_sectors
+  blk_queue_max_hw_sectors
+  blk_queue_max_segments
+  blk_queue_write_cache
+  __blk_rq_map_sg
+  cancel_delayed_work
+  cancel_delayed_work_sync
+  cancel_work_sync
+  capable
+  cdev_device_add
+  cdev_device_del
+  cdev_init
+  __cfi_slowpath
+  __check_object_size
+  __class_create
+  class_destroy
+  clk_disable
+  clk_enable
+  clk_get
+  clk_get_rate
+  clk_prepare
+  clk_put
+  clk_set_rate
+  clk_unprepare
+  complete
+  __const_udelay
+  cpu_hwcap_keys
+  cpu_hwcaps
+  cpu_number
+  __cpu_online_mask
+  __cpu_possible_mask
+  debugfs_attr_read
+  debugfs_attr_write
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_create_file_unsafe
+  debugfs_remove
+  default_llseek
+  delayed_work_timer_fn
+  del_gendisk
+  del_timer
+  del_timer_sync
+  destroy_workqueue
+  dev_driver_string
+  _dev_err
+  device_add_disk
+  device_create_file
+  device_get_match_data
+  device_initialize
+  device_init_wakeup
+  device_remove_file
+  _dev_info
+  devm_clk_get
+  devm_gpiod_get
+  devm_gpiod_get_optional
+  devm_ioremap
+  devm_ioremap_resource
+  devm_kfree
+  devm_kmalloc
+  devm_pinctrl_get
+  devm_platform_ioremap_resource
+  __devm_regmap_init
+  __devm_regmap_init_i2c
+  __devm_regmap_init_mmio_clk
+  devm_regulator_register
+  devm_request_threaded_irq
+  __devm_reset_control_get
+  dev_pm_opp_get_opp_count
+  dev_set_name
+  _dev_warn
+  disable_irq
+  dma_alloc_attrs
+  dma_buf_export
+  dma_free_attrs
+  dma_heap_add
+  dma_heap_get_name
+  dmam_alloc_attrs
+  dma_map_page_attrs
+  dma_map_sg_attrs
+  dma_pool_alloc
+  dma_pool_create
+  dma_pool_destroy
+  dma_pool_free
+  dma_release_channel
+  dma_request_chan
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_sg_for_cpu
+  dma_sync_sg_for_device
+  dma_sync_single_for_cpu
+  dma_sync_single_for_device
+  dma_unmap_page_attrs
+  dma_unmap_sg_attrs
+  down_read
+  down_write
+  driver_unregister
+  drm_atomic_helper_connector_destroy_state
+  drm_atomic_helper_connector_duplicate_state
+  drm_atomic_helper_connector_reset
+  drm_connector_attach_encoder
+  drm_connector_cleanup
+  drm_connector_init
+  __drm_err
+  drm_helper_probe_single_connector_modes
+  drm_mode_copy
+  drm_mode_vrefresh
+  enable_irq
+  find_next_bit
+  find_next_zero_bit
+  finish_wait
+  flush_work
+  flush_workqueue
+  free_irq
+  __free_pages
+  free_pages
+  generic_file_llseek
+  get_device
+  __get_free_pages
+  get_zeroed_page
+  gic_nonsecure_priorities
+  gpiod_set_value_cansleep
+  gpio_to_desc
+  i2c_del_driver
+  i2c_register_driver
+  i2c_transfer
+  ida_alloc_range
+  ida_free
+  ieee80211_channel_to_freq_khz
+  ieee80211_connection_loss
+  ieee80211_find_sta
+  ieee80211_get_hdrlen_from_skb
+  ieee80211_queue_delayed_work
+  ieee80211_stop_rx_ba_session
+  __init_swait_queue_head
+  init_timer_key
+  init_wait_entry
+  __init_waitqueue_head
+  __ioremap
+  iounmap
+  irq_get_irq_data
+  irq_of_parse_and_map
+  irq_set_irq_wake
+  jiffies
+  kasan_flag_enabled
+  kfree
+  kfree_const
+  kfree_skb
+  __kmalloc
+  kmalloc_caches
+  kmalloc_order_trace
+  kmem_cache_alloc_trace
+  kmemdup
+  kstrtoint
+  kstrtouint
+  kstrtoul_from_user
+  kstrtoull
+  ktime_get
+  ktime_get_mono_fast_ns
+  ktime_get_with_offset
+  __list_add_valid
+  __list_del_entry_valid
+  __log_post_read_mmio
+  __log_read_mmio
+  __log_write_mmio
+  memcpy
+  memdup_user
+  memmove
+  memset
+  memstart_addr
+  mmc_add_host
+  mmc_alloc_host
+  mmc_detect_change
+  mmc_free_host
+  mmc_gpiod_request_cd
+  mmc_gpiod_request_ro
+  mmc_gpio_get_cd
+  mmc_gpio_get_ro
+  mmc_hw_reset
+  mmc_of_parse
+  mmc_regulator_get_supply
+  mmc_regulator_set_ocr
+  mmc_regulator_set_vqmmc
+  mmc_remove_host
+  mmc_request_done
+  mmc_send_tuning
+  mod_timer
+  module_layout
+  module_put
+  __msecs_to_jiffies
+  msleep
+  __mutex_init
+  mutex_lock
+  mutex_lock_interruptible
+  mutex_unlock
+  nla_put
+  no_llseek
+  nonseekable_open
+  of_alias_get_id
+  of_clk_get
+  of_device_get_match_data
+  of_device_is_compatible
+  of_find_compatible_node
+  of_find_property
+  of_get_child_by_name
+  of_get_named_gpio_flags
+  of_get_property
+  of_graph_get_remote_node
+  of_graph_parse_endpoint
+  of_iomap
+  of_match_device
+  of_match_node
+  of_property_read_string
+  of_property_read_string_helper
+  of_property_read_variable_u32_array
+  param_ops_bool
+  param_ops_charp
+  param_ops_int
+  param_ops_uint
+  __pci_register_driver
+  pci_unregister_driver
+  pinctrl_lookup_state
+  pinctrl_pm_select_sleep_state
+  pinctrl_select_state
+  platform_device_unregister
+  __platform_driver_register
+  platform_driver_unregister
+  platform_get_irq
+  platform_get_resource
+  __pm_runtime_disable
+  pm_runtime_enable
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+  __pm_runtime_idle
+  __pm_runtime_resume
+  pm_runtime_set_autosuspend_delay
+  __pm_runtime_set_status
+  __pm_runtime_suspend
+  __pm_runtime_use_autosuspend
+  pm_suspend_global_flags
+  pm_wakeup_dev_event
+  preempt_schedule
+  preempt_schedule_notrace
+  prepare_to_wait_event
+  printk
+  put_device
+  put_disk
+  __put_task_struct
+  queue_work_on
+  ___ratelimit
+  _raw_spin_lock
+  _raw_spin_lock_bh
+  _raw_spin_lock_irq
+  _raw_spin_lock_irqsave
+  _raw_spin_unlock
+  _raw_spin_unlock_bh
+  _raw_spin_unlock_irq
+  _raw_spin_unlock_irqrestore
+  __rcu_read_lock
+  __rcu_read_unlock
+  rdev_get_drvdata
+  refcount_warn_saturate
+  regmap_read
+  regmap_update_bits_base
+  regmap_write
+  regulator_disable
+  regulator_enable
+  regulator_enable_regmap
+  regulator_get_voltage_sel_regmap
+  regulator_list_voltage_table
+  regulator_set_voltage
+  regulator_set_voltage_sel_regmap
+  release_firmware
+  remap_pfn_range
+  request_firmware
+  request_threaded_irq
+  reset_control_assert
+  reset_control_deassert
+  schedule
+  schedule_timeout
+  scnprintf
+  seq_lseek
+  seq_printf
+  seq_puts
+  seq_read
+  set_disk_ro
+  sg_alloc_table
+  sg_free_table
+  sg_init_table
+  sg_miter_next
+  sg_miter_start
+  sg_miter_stop
+  sg_next
+  simple_attr_open
+  simple_attr_release
+  simple_open
+  simple_read_from_buffer
+  single_open
+  single_release
+  skb_pull
+  skb_queue_tail
+  snprintf
+  __spi_register_driver
+  spi_setup
+  spi_sync
+  sprintf
+  sscanf
+  __stack_chk_fail
+  strcmp
+  strlcpy
+  strncmp
+  strncpy
+  strnlen
+  __sw_hweight64
+  synchronize_irq
+  synchronize_rcu
+  syscon_node_to_regmap
+  syscon_regmap_lookup_by_phandle
+  system_wq
+  tasklet_init
+  __tasklet_schedule
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  try_module_get
+  unregister_chrdev_region
+  up_read
+  up_write
+  usb_disabled
+  __usecs_to_jiffies
+  usleep_range
+  vabits_actual
+  vfree
+  vmalloc
+  vmap
+  vunmap
+  wait_for_completion
+  wait_for_completion_timeout
+  __wake_up
+  __warn_printk
+
+# required by adv7511.ko
+  cec_allocate_adapter
+  cec_delete_adapter
+  cec_received_msg_ts
+  cec_register_adapter
+  cec_s_phys_addr
+  cec_s_phys_addr_from_edid
+  cec_transmit_attempt_done_ts
+  cec_transmit_done_ts
+  cec_unregister_adapter
+  devm_regulator_bulk_get
+  drm_add_edid_modes
+  drm_bridge_add
+  drm_bridge_hpd_notify
+  drm_bridge_remove
+  drm_connector_update_edid_property
+  drm_detect_hdmi_monitor
+  drm_do_get_edid
+  drm_kms_helper_hotplug_event
+  hdmi_avi_infoframe_init
+  hdmi_avi_infoframe_pack
+  i2c_new_ancillary_device
+  i2c_unregister_device
+  mipi_dsi_attach
+  mipi_dsi_detach
+  mipi_dsi_device_register_full
+  mipi_dsi_device_unregister
+  mipi_dsi_driver_register_full
+  mipi_dsi_driver_unregister
+  of_find_mipi_dsi_host_by_node
+  platform_device_register_full
+  regcache_mark_dirty
+  regcache_sync
+  regmap_bulk_write
+  regmap_register_patch
+  regulator_bulk_disable
+  regulator_bulk_enable
+
+# required by ambakmi.ko
+  serio_interrupt
+  serio_reconnect
+  __serio_register_port
+  serio_unregister_port
+
+# required by armmmci.ko
+  clk_round_rate
+  devm_of_iomap
+  pinctrl_select_default_state
+
+# required by clk-hi655x.ko
+  devm_clk_hw_register
+  devm_of_clk_add_hw_provider
+  of_clk_hw_simple_get
+
+# required by cma_heap.ko
+  cma_alloc
+  cma_get_name
+  cma_release
+  dma_contiguous_default_area
+  dma_heap_get_drvdata
+  sg_alloc_table_from_pages
+
+# required by cn.ko
+  __alloc_skb
+  init_net
+  netlink_broadcast
+  netlink_has_listeners
+  __netlink_kernel_create
+  netlink_kernel_release
+  netlink_unicast
+  __nlmsg_put
+  proc_create_single_data
+  remove_proc_entry
+
+# required by cpufreq-dt.ko
+  cpufreq_enable_boost_support
+  cpufreq_freq_attr_scaling_available_freqs
+  cpufreq_freq_attr_scaling_boost_freqs
+  cpufreq_generic_frequency_table_verify
+  cpufreq_generic_get
+  cpufreq_generic_suspend
+  cpufreq_register_driver
+  cpufreq_unregister_driver
+  cpumask_next
+  dev_pm_opp_free_cpufreq_table
+  dev_pm_opp_get_max_transition_latency
+  dev_pm_opp_get_opp_table
+  dev_pm_opp_get_sharing_cpus
+  dev_pm_opp_get_suspend_opp_freq
+  dev_pm_opp_init_cpufreq_table
+  dev_pm_opp_of_cpumask_add_table
+  dev_pm_opp_of_cpumask_remove_table
+  dev_pm_opp_of_get_sharing_cpus
+  dev_pm_opp_of_register_em
+  dev_pm_opp_put_opp_table
+  dev_pm_opp_put_regulators
+  dev_pm_opp_set_rate
+  dev_pm_opp_set_regulators
+  dev_pm_opp_set_sharing_cpus
+  get_cpu_device
+  nr_cpu_ids
+  policy_has_boost_freq
+
+# required by dw_mmc.ko
+  debugfs_create_u32
+  debugfs_create_x64
+  dev_err_probe
+  device_property_present
+  device_property_read_string_array
+  device_property_read_u32_array
+  mmc_can_gpio_cd
+  sdio_signal_irq
+
+# required by gadgetfs.ko
+  _copy_from_iter_full
+  _copy_to_iter
+  current_time
+  d_add
+  d_alloc_name
+  d_delete
+  d_make_root
+  dput
+  dup_iter
+  fasync_helper
+  generic_delete_inode
+  get_next_ino
+  get_tree_single
+  kill_fasync
+  kill_litter_super
+  kiocb_set_cancel_fn
+  kthread_unuse_mm
+  kthread_use_mm
+  mutex_trylock
+  new_inode
+  register_filesystem
+  simple_dir_inode_operations
+  simple_dir_operations
+  simple_statfs
+  unregister_filesystem
+  usb_ep_alloc_request
+  usb_ep_clear_halt
+  usb_ep_dequeue
+  usb_ep_disable
+  usb_ep_enable
+  usb_ep_fifo_flush
+  usb_ep_fifo_status
+  usb_ep_free_request
+  usb_ep_queue
+  usb_ep_set_halt
+  usb_gadget_probe_driver
+  usb_gadget_set_state
+  usb_gadget_unregister_driver
+  usb_gadget_vbus_draw
+  usb_get_gadget_udc_name
+  wait_for_completion_interruptible
+
+# required by hi3660-i2s.ko
+  devm_snd_dmaengine_pcm_register
+  pinctrl_put
+  snd_dmaengine_pcm_prepare_slave_config
+  snd_soc_register_component
+  snd_soc_unregister_component
+
+# required by hi3660-mailbox.ko
+  devm_mbox_controller_register
+
+# required by hi6421-pmic-core.ko
+  devm_mfd_add_devices
+
+# required by hi6421v530-regulator.ko
+  regulator_disable_regmap
+  regulator_is_enabled_regmap
+  regulator_map_voltage_ascend
+
+# required by hi655x-pmic.ko
+  devm_gpio_request_one
+  gpiod_to_irq
+  mfd_add_devices
+  mfd_remove_devices
+  regmap_add_irq_chip
+  regmap_del_irq_chip
+  regmap_irq_get_domain
+
+# required by hi655x-regulator.ko
+  regulator_list_voltage_linear
+
+# required by hisi_hikey_usb.ko
+  dev_fwnode
+  devm_regulator_get
+  regulator_is_enabled
+  usb_role_switch_get
+  usb_role_switch_get_drvdata
+  usb_role_switch_put
+  usb_role_switch_register
+  usb_role_switch_set_role
+  usb_role_switch_unregister
+
+# required by hisi_powerkey.ko
+  devm_input_allocate_device
+  devm_request_any_context_irq
+  input_event
+  input_register_device
+  input_set_capability
+  platform_get_irq_byname
+
+# required by hisi_thermal.ko
+  _dev_crit
+  devm_thermal_zone_of_sensor_register
+  of_thermal_get_ntrips
+  of_thermal_get_trip_points
+  thermal_zone_device_disable
+  thermal_zone_device_enable
+  thermal_zone_device_update
+
+# required by i2c-designware-core.ko
+  i2c_add_numbered_adapter
+  i2c_generic_scl_recovery
+  i2c_recover_bus
+
+# required by i2c-designware-platform.ko
+  devm_clk_get_optional
+  i2c_del_adapter
+  i2c_parse_fw_timings
+
+# required by i2c-dev.ko
+  bus_register_notifier
+  bus_unregister_notifier
+  device_for_each_child
+  i2c_adapter_type
+  i2c_bus_type
+  i2c_for_each_dev
+  i2c_get_adapter
+  i2c_put_adapter
+  i2c_smbus_xfer
+  i2c_transfer_buffer_flags
+  i2c_verify_client
+  register_chrdev_region
+
+# required by k3dma.ko
+  devm_free_irq
+  dma_async_device_register
+  dma_async_device_unregister
+  dma_async_tx_descriptor_init
+  dma_get_slave_channel
+  dmam_pool_create
+  of_dma_controller_free
+  of_dma_controller_register
+  tasklet_kill
+  tasklet_setup
+  vchan_dma_desc_free_list
+  vchan_find_desc
+  vchan_init
+  vchan_tx_desc_free
+  vchan_tx_submit
+
+# required by kirin-drm.ko
+  component_bind_all
+  component_master_add_with_match
+  component_master_del
+  component_unbind_all
+  drm_atomic_get_crtc_state
+  drm_atomic_helper_check
+  drm_atomic_helper_commit
+  drm_atomic_helper_crtc_destroy_state
+  drm_atomic_helper_crtc_duplicate_state
+  drm_atomic_helper_crtc_reset
+  drm_atomic_helper_disable_plane
+  drm_atomic_helper_page_flip
+  drm_atomic_helper_plane_destroy_state
+  drm_atomic_helper_plane_duplicate_state
+  drm_atomic_helper_plane_reset
+  drm_atomic_helper_set_config
+  drm_atomic_helper_update_plane
+  drm_compat_ioctl
+  drm_crtc_arm_vblank_event
+  drm_crtc_cleanup
+  drm_crtc_handle_vblank
+  drm_crtc_init_with_planes
+  drm_crtc_send_vblank_event
+  drm_crtc_vblank_get
+  drm_crtc_vblank_off
+  drm_crtc_vblank_on
+  drm_dev_alloc
+  drm_dev_put
+  drm_dev_register
+  drm_dev_unregister
+  drm_fb_cma_get_gem_obj
+  drm_gem_cma_dumb_create_internal
+  drm_gem_cma_free_object
+  drm_gem_cma_mmap
+  drm_gem_cma_prime_get_sg_table
+  drm_gem_cma_prime_import_sg_table
+  drm_gem_cma_prime_mmap
+  drm_gem_cma_prime_vmap
+  drm_gem_cma_prime_vunmap
+  drm_gem_cma_vm_ops
+  drm_gem_fb_create
+  drm_gem_prime_export
+  drm_gem_prime_fd_to_handle
+  drm_gem_prime_handle_to_fd
+  drm_gem_prime_import
+  drm_ioctl
+  drm_kms_helper_poll_fini
+  drm_kms_helper_poll_init
+  drmm_mode_config_init
+  drm_mode_config_cleanup
+  drm_mode_config_reset
+  drm_of_component_match_add
+  drm_open
+  drm_plane_cleanup
+  drm_poll
+  drm_read
+  drm_release
+  drm_universal_plane_init
+  drm_vblank_init
+  noop_llseek
+
+# required by kirin-dsi.ko
+  component_add
+  component_del
+  drm_bridge_attach
+  drm_connector_list_iter_begin
+  drm_connector_list_iter_end
+  drm_connector_list_iter_next
+  drm_connector_unregister
+  __drm_dbg
+  drm_encoder_cleanup
+  drm_encoder_init
+  drm_of_find_possible_crtcs
+  drm_panel_disable
+  drm_panel_enable
+  drm_panel_get_modes
+  drm_panel_prepare
+  drm_panel_unprepare
+  drm_sysfs_hotplug_event
+  mipi_dsi_host_register
+  mipi_dsi_host_unregister
+  of_drm_find_bridge
+  of_drm_find_panel
+  of_graph_get_next_endpoint
+  of_graph_get_remote_port_parent
+
+# required by mali_kbase.ko
+  anon_inode_getfd
+  __bitmap_weight
+  cache_line_size
+  clear_page
+  debugfs_create_bool
+  debugfs_create_size_t
+  devfreq_add_device
+  devfreq_cooling_unregister
+  devfreq_recommended_opp
+  devfreq_register_opp_notifier
+  devfreq_remove_device
+  devfreq_resume_device
+  devfreq_suspend_device
+  devfreq_unregister_opp_notifier
+  dev_pm_opp_find_freq_floor
+  dev_pm_opp_get_voltage
+  dev_pm_opp_of_add_table
+  dev_pm_opp_of_remove_table
+  dev_pm_opp_put
+  dma_buf_attach
+  dma_buf_begin_cpu_access
+  dma_buf_detach
+  dma_buf_end_cpu_access
+  dma_buf_get
+  dma_buf_map_attachment
+  dma_buf_mmap
+  dma_buf_put
+  dma_buf_unmap_attachment
+  dma_buf_vmap
+  dma_buf_vunmap
+  dma_fence_add_callback
+  dma_fence_context_alloc
+  dma_fence_default_wait
+  dma_fence_get_status
+  dma_fence_init
+  dma_fence_release
+  dma_fence_remove_callback
+  dma_fence_signal
+  down
+  downgrade_write
+  down_trylock
+  dump_stack
+  failure_tracking
+  fd_install
+  find_vma
+  fput
+  get_unused_fd_flags
+  get_user_pages
+  get_user_pages_fast
+  get_user_pages_remote
+  hrtimer_cancel
+  hrtimer_init
+  hrtimer_start_range_ns
+  iomem_resource
+  kimage_voffset
+  kstrdup
+  kstrndup
+  kstrtobool_from_user
+  kthread_create_on_node
+  kthread_should_stop
+  kthread_stop
+  ktime_add_safe
+  ktime_get_raw_ts64
+  misc_deregister
+  misc_register
+  __mmdrop
+  mm_trace_rss_stat
+  msleep_interruptible
+  of_devfreq_cooling_register_power
+  of_find_device_by_node
+  of_get_next_available_child
+  of_parse_phandle
+  of_property_read_u64
+  __put_page
+  put_unused_fd
+  rb_erase
+  rb_first
+  rb_insert_color
+  rb_next
+  rb_prev
+  rb_replace_node
+  register_shrinker
+  regulator_get_optional
+  regulator_put
+  __release_region
+  remap_vmalloc_range
+  __request_region
+  seq_open
+  seq_putc
+  seq_release
+  seq_write
+  set_page_dirty_lock
+  simple_attr_read
+  simple_attr_write
+  __sw_hweight32
+  sync_file_create
+  sync_file_get_fence
+  sysfs_create_group
+  sysfs_remove_group
+  sysfs_streq
+  thermal_zone_get_temp
+  thermal_zone_get_zone_by_name
+  _totalram_pages
+  unmap_mapping_range
+  unregister_shrinker
+  up
+  vmalloc_user
+  vmf_insert_pfn
+  vm_mmap
+  vzalloc
+  wake_up_process
+
+# required by mmc_block.ko
+  blk_get_request
+  __blk_mq_end_request
+  blk_mq_run_hw_queues
+  blk_put_request
+  blk_queue_bounce_limit
+  blk_queue_can_use_dma_map_merging
+  blk_queue_max_segment_size
+  blk_queue_rq_timeout
+  blk_update_request
+  bus_register
+  bus_unregister
+  dma_get_merge_boundary
+  mmc_app_cmd
+  mmc_calc_max_discard
+  mmc_can_erase
+  mmc_can_secure_erase_trim
+  mmc_can_trim
+  __mmc_claim_host
+  mmc_cmdq_disable
+  mmc_cmdq_enable
+  mmc_cqe_post_req
+  mmc_cqe_recovery
+  mmc_cqe_start_req
+  mmc_crypto_prepare_req
+  mmc_crypto_setup_queue
+  mmc_detect_card_removed
+  mmc_erase
+  mmc_erase_group_aligned
+  mmc_flush_cache
+  mmc_get_card
+  mmc_get_ext_csd
+  mmc_put_card
+  mmc_register_driver
+  mmc_release_host
+  mmc_retune_pause
+  mmc_retune_release
+  mmc_retune_unpause
+  mmc_run_bkops
+  mmc_sanitize
+  __mmc_send_status
+  mmc_send_status
+  mmc_set_data_timeout
+  mmc_start_request
+  mmc_switch
+  mmc_unregister_driver
+  mmc_wait_for_cmd
+  mmc_wait_for_req
+  register_blkdev
+  sg_init_one
+  simple_strtoul
+  string_get_size
+  __traceiter_android_vh_mmc_blk_mq_rw_recovery
+  __traceiter_android_vh_mmc_blk_reset
+  __tracepoint_android_vh_mmc_blk_mq_rw_recovery
+  __tracepoint_android_vh_mmc_blk_reset
+  unregister_blkdev
+
+# required by mmc_spi.ko
+  is_vmalloc_addr
+  mmc_gpiod_request_cd_irq
+  spi_bus_lock
+  spi_bus_unlock
+  spi_sync_locked
+
+# required by nvme-core.ko
+  add_uevent_var
+  bdget_disk
+  bdput
+  bd_set_nr_sectors
+  blk_freeze_queue_start
+  blk_mq_alloc_request
+  blk_mq_alloc_request_hctx
+  blk_mq_delay_kick_requeue_list
+  blk_mq_freeze_queue
+  blk_mq_freeze_queue_wait
+  blk_mq_freeze_queue_wait_timeout
+  blk_mq_unfreeze_queue
+  blk_mq_unique_tag
+  blk_poll
+  blk_queue_chunk_sectors
+  blk_queue_dma_alignment
+  blk_queue_flag_test_and_set
+  blk_queue_io_min
+  blk_queue_io_opt
+  blk_queue_max_discard_segments
+  blk_queue_max_write_zeroes_sectors
+  blk_queue_physical_block_size
+  blk_queue_virt_boundary
+  blk_rq_map_kern
+  blk_rq_map_user
+  blk_rq_unmap_user
+  blk_set_queue_dying
+  blk_status_to_errno
+  blk_sync_queue
+  bpf_trace_run1
+  bpf_trace_run2
+  bpf_trace_run3
+  cleanup_srcu_struct
+  compat_ptr_ioctl
+  completion_done
+  device_add
+  device_del
+  device_remove_file_self
+  dev_pm_qos_expose_latency_tolerance
+  dev_pm_qos_hide_latency_tolerance
+  dev_pm_qos_update_user_latency_tolerance
+  event_triggers_call
+  ida_destroy
+  __init_rwsem
+  init_srcu_struct
+  kasprintf
+  kobject_uevent_env
+  list_sort
+  memchr_inv
+  param_ops_byte
+  param_ops_ulong
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  queue_delayed_work_on
+  revalidate_disk_size
+  set_capacity_revalidate_and_notify
+  __srcu_read_unlock
+  synchronize_srcu
+  sysfs_create_link
+  sysfs_remove_link
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  trace_print_symbols_seq
+  trace_raw_output_prep
+  trace_seq_printf
+  trace_seq_putc
+  uuid_null
+  xa_destroy
+  xa_erase
+  xa_find
+  xa_find_after
+  xa_load
+  xa_store
+
+# required by nvme.ko
+  async_schedule_node
+  blk_mq_complete_request_remote
+  blk_mq_map_queues
+  blk_mq_pci_map_queues
+  blk_mq_tag_to_rq
+  blk_mq_update_nr_hw_queues
+  device_release_driver
+  dma_max_mapping_size
+  __do_once_done
+  __do_once_start
+  mempool_alloc
+  mempool_create_node
+  mempool_destroy
+  mempool_free
+  mempool_kfree
+  mempool_kmalloc
+  param_get_uint
+  param_set_uint
+  pci_alloc_irq_vectors_affinity
+  pcibios_resource_to_bus
+  pci_device_is_present
+  pci_disable_device
+  pci_disable_pcie_error_reporting
+  pcie_aspm_enabled
+  pci_enable_device_mem
+  pci_enable_pcie_error_reporting
+  pci_free_irq
+  pci_free_irq_vectors
+  pci_irq_vector
+  pci_load_saved_state
+  pci_read_config_word
+  pci_release_selected_regions
+  pci_request_irq
+  pci_request_selected_regions
+  pci_restore_state
+  pci_save_state
+  pci_select_bars
+  pci_set_master
+  pci_sriov_configure_simple
+  sysfs_remove_file_from_group
+  wait_for_completion_io_timeout
+
+# required by of_mmc_spi.ko
+  mmc_of_parse_voltage
+
+# required by ohci-hcd.ko
+  device_set_wakeup_capable
+  gen_pool_dma_alloc_align
+  gen_pool_dma_zalloc_align
+  gen_pool_free_owner
+  sb800_prefetch
+  schedule_timeout_uninterruptible
+  usb_amd_dev_put
+  usb_amd_quirk_pll_disable
+  usb_amd_quirk_pll_enable
+  usb_calc_bus_time
+  usb_debug_root
+  usb_hcd_check_unlink_urb
+  usb_hcd_giveback_urb
+  usb_hc_died
+  usb_hcd_link_urb_to_ep
+  usb_hcd_poll_rh_status
+  usb_hcd_resume_root_hub
+  usb_hcds_loaded
+  usb_hcd_unlink_urb_from_ep
+  usb_root_hub_lost_power
+
+# required by ohci-pci.ko
+  pci_dev_put
+  pci_get_slot
+  pci_match_id
+  usb_amd_prefetch_quirk
+  usb_amd_quirk_pll_check
+  usb_hcd_pci_pm_ops
+  usb_hcd_pci_probe
+  usb_hcd_pci_remove
+  usb_hcd_pci_shutdown
+
+# required by ohci-platform.ko
+  device_wakeup_enable
+  devm_reset_control_array_get
+  usb_add_hcd
+  usb_create_hcd
+  usb_hcd_platform_shutdown
+  usb_put_hcd
+  usb_remove_hcd
+
+# required by phy-hi3660-usb3.ko
+  __devm_of_phy_provider_register
+  devm_phy_create
+  of_phy_simple_xlate
+
+# required by reboot-mode.ko
+  devres_add
+  devres_alloc_node
+  devres_free
+  devres_release
+  kstrdup_const
+  register_reboot_notifier
+  unregister_reboot_notifier
+
+# required by rfkill-gpio.ko
+  device_property_read_string
+  rfkill_alloc
+  rfkill_destroy
+  rfkill_find_type
+  rfkill_register
+  rfkill_unregister
+
+# required by rtc-efi.ko
+  devm_rtc_device_register
+  efi
+  __platform_driver_probe
+  rtc_valid_tm
+  rtc_year_days
+
+# required by snd-soc-hdmi-codec.ko
+  devm_snd_soc_register_component
+  hdmi_audio_infoframe_init
+  snd_ctl_add
+  snd_ctl_new1
+  snd_pcm_add_chmap_ctls
+  snd_pcm_create_iec958_consumer_hw_params
+  snd_pcm_format_width
+  snd_pcm_hw_constraint_eld
+  snd_soc_dapm_add_routes
+  snd_soc_jack_report
+
+# required by snd-soc-simple-card-utils.ko
+  devm_get_clk_from_child
+  devm_kasprintf
+  devm_kvasprintf
+  snd_soc_card_jack_new
+  snd_soc_dai_set_sysclk
+  snd_soc_dai_set_tdm_slot
+  snd_soc_dapm_get_pin_switch
+  snd_soc_dapm_info_pin_switch
+  snd_soc_dapm_put_pin_switch
+  snd_soc_jack_add_gpios
+  snd_soc_of_parse_audio_routing
+  snd_soc_of_parse_audio_simple_widgets
+  snd_soc_of_parse_card_name
+  snd_soc_of_parse_daifmt
+  snd_soc_runtime_calc_hw
+
+# required by snd-soc-simple-card.ko
+  devm_snd_soc_register_card
+  of_device_is_available
+  of_get_next_child
+  of_get_parent
+  of_parse_phandle_with_args
+  snd_soc_dai_link_set_capabilities
+  snd_soc_of_get_dai_name
+  snd_soc_of_parse_aux_devs
+  snd_soc_of_parse_node_prefix
+  snd_soc_of_parse_tdm_slot
+  snd_soc_pm_ops
+
+# required by spi-pl022.ko
+  devm_gpio_request
+  devm_spi_register_controller
+  __dma_request_channel
+  gpiod_direction_output_raw
+  gpiod_set_raw_value
+  loops_per_jiffy
+  pinctrl_pm_select_default_state
+  pinctrl_pm_select_idle_state
+  __spi_alloc_controller
+  spi_controller_resume
+  spi_controller_suspend
+  spi_delay_exec
+  spi_finalize_current_message
+  spi_get_next_queued_message
+
+# required by spidev.ko
+  device_create
+  device_destroy
+  __register_chrdev
+  stream_open
+  __unregister_chrdev
+
+# required by system_heap.ko
+  deferred_free
+  dmabuf_page_pool_alloc
+  dmabuf_page_pool_create
+  dmabuf_page_pool_destroy
+  dmabuf_page_pool_free
+  dma_heap_get_dev
+  __sg_page_iter_next
+  __sg_page_iter_start
+
+# required by tcpci_rt1711h.ko
+  i2c_smbus_read_word_data
+  regmap_raw_read
+  regmap_raw_write
+  tcpci_irq
+  tcpci_register_port
+  tcpci_unregister_port
+
+# required by wl18xx.ko
+  __cfg80211_alloc_event_skb
+  __cfg80211_send_event_skb
+  get_random_bytes
+  ieee80211_radar_detected
+  kstrtou8_from_user
+
+# required by wlcore.ko
+  bcmp
+  __cfg80211_alloc_reply_skb
+  cfg80211_find_elem_match
+  cfg80211_find_vendor_elem
+  cfg80211_vendor_cmd_reply
+  complete_all
+  consume_skb
+  device_create_bin_file
+  device_remove_bin_file
+  dev_pm_clear_wake_irq
+  dev_pm_set_dedicated_wake_irq
+  disable_irq_nosync
+  get_random_u32
+  ieee80211_alloc_hw_nm
+  ieee80211_ap_probereq_get
+  ieee80211_beacon_get_tim
+  ieee80211_chswitch_done
+  ieee80211_cqm_beacon_loss_notify
+  ieee80211_cqm_rssi_notify
+  ieee80211_csa_finish
+  ieee80211_free_hw
+  ieee80211_free_txskb
+  ieee80211_freq_khz_to_channel
+  ieee80211_hdrlen
+  ieee80211_iterate_active_interfaces_atomic
+  ieee80211_iterate_interfaces
+  ieee80211_nullfunc_get
+  ieee80211_probereq_get
+  ieee80211_proberesp_get
+  ieee80211_pspoll_get
+  ieee80211_queue_work
+  ieee80211_ready_on_channel
+  ieee80211_register_hw
+  ieee80211_remain_on_channel_expired
+  ieee80211_report_low_ack
+  ieee80211_restart_hw
+  ieee80211_rx_napi
+  ieee80211_scan_completed
+  ieee80211_sched_scan_results
+  ieee80211_sched_scan_stopped
+  ieee80211_sta_ps_transition
+  ieee80211_stop_queue
+  ieee80211_stop_queues
+  ieee80211_tx_status
+  ieee80211_unregister_hw
+  ieee80211_wake_queue
+  ieee80211_wake_queues
+  jiffies_to_msecs
+  jiffies_to_usecs
+  __local_bh_enable_ip
+  __netdev_alloc_skb
+  __nla_parse
+  no_seek_end_llseek
+  _raw_spin_trylock
+  request_firmware_nowait
+  rfc1042_header
+  skb_dequeue
+  skb_push
+  skb_put
+  skb_queue_head
+  skb_trim
+  vscnprintf
+  wiphy_to_ieee80211_hw
+
+# required by wlcore_sdio.ko
+  platform_device_add
+  platform_device_add_data
+  platform_device_add_resources
+  platform_device_alloc
+  platform_device_put
+  print_hex_dump
+  sdio_claim_host
+  sdio_disable_func
+  sdio_enable_func
+  sdio_f0_readb
+  sdio_f0_writeb
+  sdio_get_host_pm_caps
+  sdio_memcpy_fromio
+  sdio_memcpy_toio
+  sdio_readsb
+  sdio_register_driver
+  sdio_release_host
+  sdio_set_block_size
+  sdio_set_host_pm_flags
+  sdio_unregister_driver
+  sdio_writesb
diff --git a/android/abi_gki_aarch64_rockchip b/android/abi_gki_aarch64_rockchip
new file mode 100644
index 0000000..8abedc2
--- /dev/null
+++ b/android/abi_gki_aarch64_rockchip
@@ -0,0 +1,3092 @@
+[abi_symbol_list]
+# commonly used symbols
+  add_timer
+  add_uevent_var
+  aes_encrypt
+  alloc_chrdev_region
+  __alloc_disk_node
+  __alloc_pages_nodemask
+  __alloc_skb
+  alloc_workqueue
+  anon_inode_getfd
+  __arch_copy_from_user
+  __arch_copy_to_user
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  __arm_smccc_smc
+  atomic_notifier_call_chain
+  atomic_notifier_chain_register
+  atomic_notifier_chain_unregister
+  _bcd2bin
+  bcmp
+  bdget_disk
+  bdput
+  _bin2bcd
+  __bitmap_and
+  __bitmap_andnot
+  blk_cleanup_queue
+  blk_execute_rq_nowait
+  blk_mq_free_request
+  blk_mq_init_queue
+  blk_mq_quiesce_queue
+  blk_mq_tagset_busy_iter
+  blk_mq_tagset_wait_completed_request
+  blk_mq_unquiesce_queue
+  blk_queue_flag_clear
+  blk_queue_flag_set
+  blk_queue_io_min
+  blk_queue_io_opt
+  blk_queue_logical_block_size
+  blk_queue_max_discard_sectors
+  blk_queue_max_write_zeroes_sectors
+  blk_queue_physical_block_size
+  blocking_notifier_call_chain
+  blocking_notifier_chain_register
+  blocking_notifier_chain_unregister
+  bpf_trace_run1
+  bpf_trace_run2
+  bpf_trace_run3
+  bus_find_device
+  bus_register
+  bus_set_iommu
+  bus_unregister
+  cancel_delayed_work
+  cancel_delayed_work_sync
+  cancel_work_sync
+  capable
+  cdev_add
+  cdev_del
+  cdev_device_add
+  cdev_device_del
+  cdev_init
+  cec_allocate_adapter
+  cec_delete_adapter
+  cec_fill_conn_info_from_drm
+  cec_notifier_cec_adap_register
+  cec_notifier_cec_adap_unregister
+  cec_notifier_conn_register
+  cec_notifier_conn_unregister
+  cec_notifier_set_phys_addr
+  cec_notifier_set_phys_addr_from_edid
+  cec_queue_pin_hpd_event
+  cec_received_msg_ts
+  cec_register_adapter
+  cec_transmit_attempt_done_ts
+  cec_unregister_adapter
+  __cfi_slowpath
+  __check_object_size
+  __class_create
+  class_destroy
+  class_for_each_device
+  __class_register
+  clk_bulk_disable
+  clk_bulk_enable
+  clk_bulk_prepare
+  clk_bulk_unprepare
+  clk_disable
+  clk_enable
+  clk_gate_ops
+  clk_get
+  __clk_get_name
+  clk_get_parent
+  clk_get_rate
+  clk_hw_get_flags
+  clk_hw_get_name
+  clk_hw_get_parent
+  clk_hw_get_parent_by_index
+  clk_hw_get_rate
+  __clk_mux_determine_rate
+  clk_notifier_register
+  clk_notifier_unregister
+  clk_prepare
+  clk_put
+  clk_register
+  clk_round_rate
+  clk_set_parent
+  clk_set_phase
+  clk_set_rate
+  clk_unprepare
+  clk_unregister
+  cma_alloc
+  cma_release
+  compat_ptr_ioctl
+  complete
+  completion_done
+  __const_udelay
+  consume_skb
+  cpu_bit_bitmap
+  cpufreq_cpu_get
+  __cpufreq_driver_target
+  cpufreq_generic_suspend
+  cpufreq_register_governor
+  cpufreq_register_notifier
+  cpufreq_unregister_governor
+  cpu_have_feature
+  __cpuhp_remove_state
+  __cpuhp_setup_state
+  cpu_hwcap_keys
+  cpu_hwcaps
+  cpu_latency_qos_add_request
+  cpu_latency_qos_update_request
+  cpumask_next
+  cpu_number
+  __cpu_online_mask
+  __cpu_possible_mask
+  cpus_read_lock
+  cpus_read_unlock
+  crc16
+  crc32_le
+  crypto_aead_decrypt
+  crypto_aead_encrypt
+  crypto_aead_setkey
+  crypto_ahash_setkey
+  crypto_alloc_aead
+  crypto_alloc_ahash
+  crypto_alloc_skcipher
+  crypto_cipher_encrypt_one
+  crypto_destroy_tfm
+  crypto_inc
+  __crypto_memneq
+  crypto_register_aead
+  crypto_register_alg
+  crypto_register_scomp
+  crypto_register_shash
+  crypto_register_template
+  crypto_skcipher_decrypt
+  crypto_skcipher_encrypt
+  crypto_skcipher_setkey
+  crypto_unregister_aead
+  crypto_unregister_alg
+  crypto_unregister_scomp
+  crypto_unregister_shash
+  crypto_unregister_template
+  __crypto_xor
+  debugfs_attr_read
+  debugfs_attr_write
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_create_regset32
+  debugfs_remove
+  default_llseek
+  delayed_work_timer_fn
+  del_gendisk
+  del_timer
+  del_timer_sync
+  destroy_workqueue
+  dev_close
+  dev_driver_string
+  _dev_err
+  dev_err_probe
+  devfreq_add_governor
+  devfreq_recommended_opp
+  devfreq_register_opp_notifier
+  devfreq_remove_governor
+  devfreq_resume_device
+  devfreq_suspend_device
+  devfreq_unregister_opp_notifier
+  dev_fwnode
+  dev_get_regmap
+  device_add
+  device_add_disk
+  device_create
+  device_create_file
+  device_del
+  device_destroy
+  device_get_child_node_count
+  device_get_match_data
+  device_get_named_child_node
+  device_get_next_child_node
+  device_initialize
+  device_init_wakeup
+  device_link_add
+  device_link_del
+  device_match_name
+  device_property_present
+  device_property_read_string
+  device_property_read_u32_array
+  device_property_read_u8_array
+  device_release_driver
+  device_remove_file
+  device_set_wakeup_capable
+  device_set_wakeup_enable
+  device_unregister
+  device_wakeup_enable
+  _dev_info
+  __dev_kfree_skb_any
+  devm_add_action
+  devm_clk_bulk_get
+  devm_clk_bulk_get_all
+  devm_clk_get
+  devm_clk_get_optional
+  devm_clk_hw_register
+  devm_clk_register
+  devm_devfreq_add_device
+  devm_devfreq_event_add_edev
+  devm_devfreq_register_opp_notifier
+  devm_device_add_group
+  devm_extcon_dev_allocate
+  devm_extcon_dev_register
+  devm_free_irq
+  devm_fwnode_gpiod_get_index
+  devm_get_clk_from_child
+  devm_gpiochip_add_data_with_key
+  devm_gpiod_get
+  devm_gpiod_get_index
+  devm_gpiod_get_index_optional
+  devm_gpiod_get_optional
+  devm_gpio_request
+  devm_gpio_request_one
+  devm_iio_channel_get
+  devm_iio_device_alloc
+  __devm_iio_device_register
+  devm_input_allocate_device
+  devm_ioremap
+  devm_ioremap_resource
+  devm_kasprintf
+  devm_kfree
+  devm_kmalloc
+  devm_kmemdup
+  devm_kstrdup
+  devm_led_classdev_register_ext
+  devm_mfd_add_devices
+  devm_nvmem_register
+  devm_of_clk_add_hw_provider
+  devm_of_phy_get
+  __devm_of_phy_provider_register
+  devm_phy_create
+  devm_phy_get
+  devm_phy_optional_get
+  devm_pinctrl_get
+  devm_pinctrl_register
+  devm_pinctrl_register_and_init
+  devm_platform_get_and_ioremap_resource
+  devm_platform_ioremap_resource
+  devm_platform_ioremap_resource_byname
+  devm_power_supply_register
+  devm_pwm_get
+  devm_regmap_field_alloc
+  __devm_regmap_init
+  __devm_regmap_init_i2c
+  __devm_regmap_init_mmio_clk
+  devm_regulator_bulk_get
+  devm_regulator_get
+  devm_regulator_get_optional
+  devm_regulator_register
+  devm_remove_action
+  devm_request_threaded_irq
+  devm_reset_control_array_get
+  __devm_reset_control_get
+  devm_snd_dmaengine_pcm_register
+  devm_snd_soc_register_card
+  devm_snd_soc_register_component
+  devm_usb_get_phy
+  _dev_notice
+  dev_open
+  dev_pm_domain_detach
+  dev_pm_opp_find_freq_ceil
+  dev_pm_opp_find_freq_floor
+  dev_pm_opp_get_opp_count
+  dev_pm_opp_get_opp_table
+  dev_pm_opp_get_voltage
+  dev_pm_opp_of_get_sharing_cpus
+  dev_pm_opp_of_remove_table
+  dev_pm_opp_put
+  dev_pm_opp_put_opp_table
+  dev_pm_opp_put_regulators
+  dev_pm_opp_register_set_opp_helper
+  dev_pm_opp_set_rate
+  dev_pm_opp_set_regulators
+  dev_pm_opp_set_supported_hw
+  dev_pm_opp_unregister_set_opp_helper
+  dev_printk
+  devres_add
+  devres_alloc_node
+  devres_free
+  dev_set_name
+  _dev_warn
+  disable_irq
+  disable_irq_nosync
+  dma_alloc_attrs
+  dma_buf_attach
+  dma_buf_begin_cpu_access
+  dma_buf_detach
+  dma_buf_end_cpu_access
+  dma_buf_export
+  dma_buf_fd
+  dma_buf_get
+  dma_buf_map_attachment
+  dma_buf_mmap
+  dma_buf_put
+  dma_buf_unmap_attachment
+  dma_buf_vmap
+  dma_buf_vunmap
+  dma_contiguous_default_area
+  dma_fence_add_callback
+  dma_fence_context_alloc
+  dma_fence_get_status
+  dma_fence_init
+  dma_fence_release
+  dma_fence_signal
+  dma_free_attrs
+  dma_get_sgtable_attrs
+  dma_heap_add
+  dma_heap_get_dev
+  dma_heap_get_name
+  dmam_alloc_attrs
+  dma_map_page_attrs
+  dma_map_resource
+  dma_map_sg_attrs
+  dmam_free_coherent
+  dma_mmap_attrs
+  dma_pool_alloc
+  dma_pool_create
+  dma_pool_destroy
+  dma_pool_free
+  dma_release_channel
+  dma_request_chan
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_sg_for_cpu
+  dma_sync_sg_for_device
+  dma_sync_single_for_cpu
+  dma_sync_single_for_device
+  dma_unmap_page_attrs
+  dma_unmap_resource
+  dma_unmap_sg_attrs
+  down
+  down_read
+  down_write
+  driver_register
+  driver_unregister
+  drm_add_edid_modes
+  drm_add_modes_noedid
+  drm_atomic_get_crtc_state
+  drm_atomic_get_new_connector_for_encoder
+  drm_atomic_helper_bridge_destroy_state
+  drm_atomic_helper_bridge_duplicate_state
+  drm_atomic_helper_bridge_propagate_bus_fmt
+  drm_atomic_helper_bridge_reset
+  drm_atomic_helper_connector_destroy_state
+  drm_atomic_helper_connector_duplicate_state
+  drm_atomic_helper_connector_reset
+  drm_bridge_add
+  drm_bridge_attach
+  drm_bridge_detect
+  drm_bridge_get_modes
+  drm_bridge_hpd_notify
+  drm_bridge_remove
+  drm_compat_ioctl
+  drm_connector_attach_encoder
+  drm_connector_cleanup
+  drm_connector_has_possible_encoder
+  drm_connector_init
+  drm_connector_init_with_ddc
+  drm_connector_unregister
+  drm_connector_update_edid_property
+  __drm_dbg
+  drm_detect_hdmi_monitor
+  drm_detect_monitor_audio
+  drm_dev_alloc
+  drm_dev_dbg
+  drm_dev_printk
+  drm_dev_put
+  drm_dev_register
+  drm_dev_unregister
+  drm_display_info_set_bus_formats
+  drm_display_mode_from_videomode
+  drm_display_mode_to_videomode
+  drm_dp_aux_register
+  drm_dp_aux_unregister
+  drm_dp_bw_code_to_link_rate
+  drm_dp_channel_eq_ok
+  drm_dp_dpcd_read
+  drm_dp_dpcd_read_link_status
+  drm_dp_dpcd_write
+  drm_dp_get_phy_test_pattern
+  drm_dp_link_rate_to_bw_code
+  drm_dp_link_train_channel_eq_delay
+  drm_dp_link_train_clock_recovery_delay
+  drm_dp_read_dpcd_caps
+  drm_dp_set_phy_test_pattern
+  __drm_err
+  drm_gem_dumb_map_offset
+  drm_gem_get_pages
+  drm_gem_handle_create
+  drm_gem_mmap
+  drm_gem_mmap_obj
+  drm_gem_object_free
+  drm_gem_object_init
+  drm_gem_object_lookup
+  drm_gem_object_release
+  drm_gem_prime_fd_to_handle
+  drm_gem_prime_handle_to_fd
+  drm_gem_put_pages
+  drm_gem_vm_close
+  drm_get_edid
+  drm_hdmi_avi_infoframe_from_display_mode
+  drm_hdmi_avi_infoframe_quant_range
+  drm_hdmi_infoframe_set_hdr_metadata
+  drm_hdmi_vendor_infoframe_from_display_mode
+  drm_helper_hpd_irq_event
+  drm_helper_probe_single_connector_modes
+  drm_ioctl
+  drm_kms_helper_hotplug_event
+  drm_kms_helper_is_poll_worker
+  drm_match_cea_mode
+  drm_mode_copy
+  drm_mode_create
+  drm_mode_duplicate
+  drm_mode_is_420_also
+  drm_mode_is_420_only
+  drm_mode_probed_add
+  drm_modeset_acquire_fini
+  drm_modeset_acquire_init
+  drm_modeset_backoff
+  drm_modeset_drop_locks
+  drm_modeset_lock
+  drm_mode_set_name
+  drm_mode_validate_driver
+  drm_mode_vrefresh
+  drm_object_attach_property
+  drm_of_find_panel_or_bridge
+  drm_open
+  drm_panel_add
+  drm_panel_disable
+  drm_panel_enable
+  drm_panel_get_modes
+  drm_panel_init
+  drm_panel_prepare
+  drm_panel_unprepare
+  drm_poll
+  drm_prime_pages_to_sg
+  drm_prime_sg_to_page_addr_arrays
+  drm_property_replace_global_blob
+  drm_read
+  drm_release
+  drm_scdc_read
+  drm_scdc_set_high_tmds_clock_ratio
+  drm_scdc_set_scrambling
+  drm_scdc_write
+  enable_irq
+  eth_mac_addr
+  eth_platform_get_mac_address
+  ethtool_op_get_ts_info
+  eth_type_trans
+  eth_validate_addr
+  event_triggers_call
+  extcon_get_edev_by_phandle
+  extcon_get_state
+  extcon_register_notifier
+  extcon_set_property_capability
+  extcon_set_state
+  extcon_set_state_sync
+  extcon_unregister_notifier
+  failure_tracking
+  fd_install
+  find_next_bit
+  find_next_zero_bit
+  find_vma
+  finish_wait
+  flush_dcache_page
+  flush_delayed_work
+  flush_work
+  flush_workqueue
+  fpsimd_context_busy
+  fput
+  free_irq
+  __free_pages
+  free_pages
+  freq_qos_add_request
+  freq_qos_remove_request
+  freq_qos_update_request
+  fwnode_get_name
+  fwnode_handle_put
+  fwnode_property_present
+  fwnode_property_read_string
+  fwnode_property_read_u32_array
+  gcd
+  generic_file_llseek
+  generic_handle_irq
+  generic_mii_ioctl
+  __genphy_config_aneg
+  genphy_read_status
+  genphy_resume
+  genphy_soft_reset
+  genphy_suspend
+  gen_pool_add_owner
+  gen_pool_alloc_algo_owner
+  gen_pool_create
+  gen_pool_destroy
+  gen_pool_free_owner
+  get_cpu_device
+  get_device
+  __get_free_pages
+  get_random_bytes
+  get_unused_fd_flags
+  get_user_pages_remote
+  get_zeroed_page
+  gic_nonsecure_priorities
+  gpiochip_add_pin_range
+  gpiochip_generic_free
+  gpiochip_generic_request
+  gpiochip_get_data
+  gpiod_cansleep
+  gpiod_direction_input
+  gpiod_direction_output
+  gpiod_direction_output_raw
+  gpiod_get_optional
+  gpiod_get_raw_value
+  gpiod_get_value
+  gpiod_get_value_cansleep
+  gpiod_set_consumer_name
+  gpiod_set_raw_value
+  gpiod_set_value
+  gpiod_set_value_cansleep
+  gpiod_to_irq
+  gpio_free
+  gpio_request
+  gpio_to_desc
+  handle_nested_irq
+  handle_simple_irq
+  hdmi_audio_infoframe_init
+  hdmi_audio_infoframe_pack
+  hdmi_drm_infoframe_pack
+  hdmi_infoframe_pack
+  hdmi_vendor_infoframe_pack
+  hid_debug
+  hid_hw_close
+  hid_hw_open
+  hid_hw_start
+  hid_hw_stop
+  hid_open_report
+  __hid_register_driver
+  __hid_request
+  hid_unregister_driver
+  hid_validate_values
+  hrtimer_cancel
+  hrtimer_forward
+  hrtimer_init
+  hrtimer_start_range_ns
+  i2c_adapter_type
+  i2c_add_adapter
+  i2c_add_numbered_adapter
+  i2c_del_adapter
+  i2c_del_driver
+  i2c_get_adapter
+  i2c_put_adapter
+  i2c_register_driver
+  i2c_smbus_read_byte
+  i2c_smbus_read_byte_data
+  i2c_smbus_read_i2c_block_data
+  i2c_smbus_read_word_data
+  i2c_smbus_write_byte_data
+  i2c_smbus_write_i2c_block_data
+  __i2c_smbus_xfer
+  i2c_smbus_xfer
+  i2c_transfer
+  i2c_transfer_buffer_flags
+  ida_alloc_range
+  ida_destroy
+  ida_free
+  idr_alloc
+  idr_destroy
+  idr_find
+  idr_for_each
+  idr_get_next
+  idr_remove
+  iio_buffer_init
+  iio_buffer_put
+  iio_device_attach_buffer
+  iio_push_to_buffers
+  iio_read_channel_processed
+  __init_rwsem
+  __init_swait_queue_head
+  init_timer_key
+  init_wait_entry
+  __init_waitqueue_head
+  input_allocate_device
+  input_event
+  input_ff_create_memless
+  input_free_device
+  input_mt_init_slots
+  input_mt_report_slot_state
+  input_register_device
+  input_set_abs_params
+  input_set_capability
+  input_unregister_device
+  iommu_attach_device
+  iommu_attach_group
+  iommu_detach_device
+  iommu_detach_group
+  iommu_device_register
+  iommu_device_sysfs_add
+  iommu_device_sysfs_remove
+  iommu_get_dma_cookie
+  iommu_get_domain_for_dev
+  iommu_group_alloc
+  iommu_group_get
+  iommu_group_put
+  iommu_group_ref_get
+  iommu_map
+  iommu_map_sg
+  iommu_put_dma_cookie
+  iommu_set_fault_handler
+  iommu_unmap
+  __ioremap
+  iounmap
+  irq_create_mapping_affinity
+  __irq_domain_add
+  irq_domain_remove
+  irq_find_mapping
+  irq_get_irq_data
+  irq_modify_status
+  irq_set_affinity_hint
+  irq_set_chained_handler_and_data
+  irq_set_chip
+  irq_set_chip_and_handler_name
+  irq_set_chip_data
+  irq_set_irq_type
+  irq_set_irq_wake
+  irq_to_desc
+  is_vmalloc_addr
+  jiffies
+  jiffies_to_msecs
+  kasan_flag_enabled
+  kasprintf
+  kernel_neon_begin
+  kernel_neon_end
+  __kfifo_alloc
+  __kfifo_free
+  __kfifo_in
+  __kfifo_out
+  kfree
+  kfree_const
+  kfree_sensitive
+  kimage_voffset
+  __kmalloc
+  kmalloc_caches
+  kmalloc_order_trace
+  kmem_cache_alloc
+  kmem_cache_alloc_trace
+  kmem_cache_create
+  kmem_cache_destroy
+  kmem_cache_free
+  kmemdup
+  kobject_create_and_add
+  kobject_init_and_add
+  kobject_put
+  kstrdup
+  kstrdup_const
+  kstrtoint
+  kstrtouint
+  kstrtouint_from_user
+  kstrtoull
+  kthread_create_on_node
+  kthread_create_worker
+  kthread_destroy_worker
+  kthread_flush_worker
+  kthread_queue_work
+  kthread_should_stop
+  kthread_stop
+  ktime_get
+  ktime_get_mono_fast_ns
+  ktime_get_real_ts64
+  ktime_get_with_offset
+  kvfree
+  kvmalloc_node
+  led_classdev_register_ext
+  led_classdev_unregister
+  led_set_brightness_nosleep
+  led_trigger_register
+  led_trigger_unregister
+  __list_add_valid
+  __list_del_entry_valid
+  __log_post_read_mmio
+  __log_read_mmio
+  __log_write_mmio
+  lzo1x_decompress_safe
+  mdiobus_alloc_size
+  mdiobus_free
+  mdiobus_read
+  mdiobus_unregister
+  mdiobus_write
+  media_create_pad_link
+  media_device_init
+  __media_device_register
+  media_device_unregister
+  media_entity_pads_init
+  media_entity_remote_pad
+  media_graph_walk_cleanup
+  media_graph_walk_init
+  media_graph_walk_next
+  media_graph_walk_start
+  media_pipeline_start
+  media_pipeline_stop
+  memcpy
+  memdup_user
+  memmove
+  memset
+  memstart_addr
+  mfd_add_devices
+  mfd_remove_devices
+  mii_check_media
+  mii_ethtool_gset
+  mii_nway_restart
+  mipi_dsi_attach
+  mipi_dsi_create_packet
+  mipi_dsi_detach
+  mipi_dsi_device_register_full
+  mipi_dsi_device_unregister
+  mipi_dsi_host_register
+  mipi_dsi_host_unregister
+  misc_deregister
+  misc_register
+  mmc_cqe_request_done
+  mmc_of_parse
+  mmc_request_done
+  __mmdrop
+  mod_delayed_work_on
+  mod_timer
+  module_layout
+  module_put
+  __msecs_to_jiffies
+  msleep
+  msleep_interruptible
+  __mutex_init
+  mutex_is_locked
+  mutex_lock
+  mutex_lock_interruptible
+  mutex_trylock
+  mutex_unlock
+  __netdev_alloc_skb
+  netdev_err
+  netdev_info
+  netdev_update_features
+  netdev_warn
+  netif_tx_wake_queue
+  no_llseek
+  nonseekable_open
+  noop_llseek
+  nr_cpu_ids
+  ns_to_kernel_old_timeval
+  ns_to_timespec64
+  nvmem_cell_get
+  nvmem_cell_put
+  nvmem_cell_read
+  of_address_to_resource
+  of_alias_get_id
+  of_clk_add_provider
+  of_clk_del_provider
+  of_clk_get
+  of_clk_get_by_name
+  of_clk_get_parent_count
+  of_clk_set_defaults
+  of_clk_src_onecell_get
+  of_clk_src_simple_get
+  of_count_phandle_with_args
+  of_devfreq_cooling_register_power
+  of_device_get_match_data
+  of_device_is_available
+  of_device_is_compatible
+  of_drm_find_bridge
+  of_find_compatible_node
+  of_find_device_by_node
+  of_find_i2c_device_by_node
+  of_find_matching_node_and_match
+  of_find_mipi_dsi_host_by_node
+  of_find_node_by_name
+  of_find_node_opts_by_path
+  of_find_property
+  of_get_child_by_name
+  of_get_compatible_child
+  of_get_drm_display_mode
+  of_get_i2c_adapter_by_node
+  of_get_named_gpio_flags
+  of_get_next_available_child
+  of_get_next_child
+  of_get_parent
+  of_get_property
+  of_get_regulator_init_data
+  of_graph_get_next_endpoint
+  of_graph_get_remote_node
+  of_graph_get_remote_port_parent
+  of_graph_parse_endpoint
+  of_iomap
+  of_irq_get_byname
+  of_machine_is_compatible
+  of_match_device
+  of_match_node
+  of_node_name_eq
+  of_nvmem_cell_get
+  of_parse_phandle
+  of_parse_phandle_with_args
+  of_phy_simple_xlate
+  of_property_count_elems_of_size
+  of_property_match_string
+  of_property_read_string
+  of_property_read_string_helper
+  of_property_read_u32_index
+  of_property_read_u64
+  of_property_read_variable_u32_array
+  of_property_read_variable_u8_array
+  of_regulator_match
+  of_reserved_mem_device_init_by_idx
+  __of_reset_control_get
+  of_usb_get_dr_mode_by_phy
+  __page_pinner_put_page
+  panic_notifier_list
+  param_ops_bool
+  param_ops_byte
+  param_ops_int
+  param_ops_string
+  param_ops_uint
+  pcie_capability_clear_and_set_word
+  pci_read_config_dword
+  pci_write_config_dword
+  PDE_DATA
+  __per_cpu_offset
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  pfn_valid
+  phy_attached_info
+  phy_configure
+  phy_drivers_register
+  phy_drivers_unregister
+  phy_exit
+  phy_init
+  phy_power_off
+  phy_power_on
+  phy_set_mode_ext
+  pinconf_generic_dt_free_map
+  pinconf_generic_dt_node_to_map
+  pinctrl_dev_get_drvdata
+  pinctrl_enable
+  pinctrl_generic_add_group
+  pinctrl_generic_get_group
+  pinctrl_generic_get_group_count
+  pinctrl_generic_get_group_name
+  pinctrl_generic_get_group_pins
+  pinctrl_gpio_direction_input
+  pinctrl_gpio_direction_output
+  pinctrl_lookup_state
+  pinctrl_pm_select_default_state
+  pinctrl_pm_select_sleep_state
+  pinctrl_select_state
+  pinctrl_utils_free_map
+  pinmux_generic_add_function
+  pinmux_generic_get_function
+  pinmux_generic_get_function_count
+  pinmux_generic_get_function_groups
+  pinmux_generic_get_function_name
+  platform_bus_type
+  platform_device_put
+  platform_device_register_full
+  platform_device_unregister
+  __platform_driver_probe
+  __platform_driver_register
+  platform_driver_unregister
+  platform_get_irq
+  platform_get_irq_byname
+  platform_get_irq_optional
+  platform_get_resource
+  platform_get_resource_byname
+  platform_irq_count
+  pm_clk_create
+  pm_clk_destroy
+  pm_power_off
+  __pm_relax
+  pm_relax
+  __pm_runtime_disable
+  pm_runtime_enable
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+  pm_runtime_get_if_active
+  __pm_runtime_idle
+  __pm_runtime_resume
+  pm_runtime_set_autosuspend_delay
+  __pm_runtime_set_status
+  __pm_runtime_suspend
+  __pm_runtime_use_autosuspend
+  __pm_stay_awake
+  pm_stay_awake
+  pm_wakeup_ws_event
+  power_supply_am_i_supplied
+  power_supply_changed
+  power_supply_class
+  power_supply_get_battery_info
+  power_supply_get_by_phandle
+  power_supply_get_drvdata
+  power_supply_get_property
+  power_supply_put_battery_info
+  power_supply_register
+  power_supply_reg_notifier
+  power_supply_unregister
+  preempt_schedule
+  preempt_schedule_notrace
+  prepare_to_wait_event
+  print_hex_dump
+  printk
+  proc_create
+  proc_create_data
+  proc_mkdir
+  pskb_expand_head
+  put_device
+  put_disk
+  __put_page
+  __put_task_struct
+  put_unused_fd
+  pwm_adjust_config
+  pwm_apply_state
+  queue_delayed_work_on
+  queue_work_on
+  ___ratelimit
+  rational_best_approximation
+  _raw_spin_lock
+  _raw_spin_lock_bh
+  _raw_spin_lock_irq
+  _raw_spin_lock_irqsave
+  _raw_spin_unlock
+  _raw_spin_unlock_bh
+  _raw_spin_unlock_irq
+  _raw_spin_unlock_irqrestore
+  rb_erase
+  rb_insert_color
+  rb_next
+  __rcu_read_lock
+  __rcu_read_unlock
+  rdev_get_drvdata
+  rdev_get_id
+  refcount_warn_saturate
+  regcache_cache_only
+  regcache_mark_dirty
+  regcache_sync
+  register_netdev
+  register_netdevice_notifier
+  register_pm_notifier
+  register_reboot_notifier
+  register_shrinker
+  regmap_bulk_read
+  regmap_bulk_write
+  regmap_field_read
+  regmap_field_update_bits_base
+  regmap_irq_get_domain
+  regmap_irq_get_virq
+  regmap_multi_reg_write
+  regmap_raw_read
+  regmap_raw_write
+  regmap_read
+  regmap_update_bits_base
+  regmap_write
+  regulator_bulk_disable
+  regulator_bulk_enable
+  regulator_disable
+  regulator_disable_regmap
+  regulator_enable
+  regulator_enable_regmap
+  regulator_get
+  regulator_get_optional
+  regulator_get_voltage
+  regulator_get_voltage_sel_regmap
+  regulator_is_enabled
+  regulator_is_enabled_regmap
+  regulator_list_voltage_linear
+  regulator_list_voltage_linear_range
+  regulator_map_voltage_linear
+  regulator_map_voltage_linear_range
+  regulator_put
+  regulator_set_voltage
+  regulator_set_voltage_sel_regmap
+  regulator_set_voltage_time_sel
+  regulator_unregister
+  release_firmware
+  remap_pfn_range
+  remove_proc_entry
+  report_iommu_fault
+  request_firmware
+  request_threaded_irq
+  reset_control_assert
+  reset_control_deassert
+  revalidate_disk_size
+  rfkill_alloc
+  rfkill_destroy
+  rfkill_register
+  rfkill_unregister
+  rtc_class_open
+  rtc_read_time
+  rtc_time64_to_tm
+  rtc_tm_to_time64
+  rtc_valid_tm
+  rtnl_lock
+  rtnl_unlock
+  scatterwalk_map_and_copy
+  sched_clock
+  schedule
+  schedule_timeout
+  scnprintf
+  sdhci_add_host
+  sdhci_get_property
+  sdhci_pltfm_clk_get_max_clock
+  sdhci_pltfm_free
+  sdhci_pltfm_init
+  sdhci_reset
+  sdhci_resume_host
+  sdhci_set_bus_width
+  sdhci_set_clock
+  sdhci_suspend_host
+  seq_lseek
+  seq_printf
+  seq_putc
+  seq_puts
+  seq_read
+  set_page_dirty_lock
+  sg_alloc_table
+  sg_alloc_table_from_pages
+  sg_free_table
+  sg_init_one
+  sg_init_table
+  sg_nents
+  sg_next
+  __sg_page_iter_next
+  __sg_page_iter_start
+  simple_attr_open
+  simple_attr_release
+  simple_read_from_buffer
+  simple_strtol
+  simple_strtoul
+  single_open
+  single_release
+  skb_clone
+  skb_copy_expand
+  skb_pull
+  skb_push
+  skb_put
+  skb_trim
+  skcipher_alloc_instance_simple
+  skcipher_register_instance
+  skcipher_walk_aead_decrypt
+  skcipher_walk_aead_encrypt
+  skcipher_walk_done
+  skcipher_walk_virt
+  snd_pcm_format_width
+  snd_soc_add_component_controls
+  snd_soc_add_dai_controls
+  snd_soc_card_jack_new
+  snd_soc_component_read
+  snd_soc_component_set_jack
+  snd_soc_component_update_bits
+  snd_soc_component_write
+  snd_soc_dai_set_sysclk
+  snd_soc_dapm_add_routes
+  snd_soc_dapm_disable_pin_unlocked
+  snd_soc_dapm_force_enable_pin_unlocked
+  snd_soc_dapm_get_enum_double
+  snd_soc_dapm_get_pin_switch
+  snd_soc_dapm_get_volsw
+  snd_soc_dapm_info_pin_switch
+  snd_soc_dapm_new_controls
+  snd_soc_dapm_put_enum_double
+  snd_soc_dapm_put_pin_switch
+  snd_soc_dapm_put_volsw
+  snd_soc_dapm_sync_unlocked
+  snd_soc_get_dai_name
+  snd_soc_get_enum_double
+  snd_soc_get_volsw
+  snd_soc_info_enum_double
+  snd_soc_info_volsw
+  snd_soc_jack_add_gpios
+  snd_soc_jack_report
+  snd_soc_of_parse_audio_routing
+  snd_soc_of_parse_card_name
+  snd_soc_of_parse_daifmt
+  snd_soc_params_to_frame_size
+  snd_soc_pm_ops
+  snd_soc_put_enum_double
+  snd_soc_put_volsw
+  snd_soc_unregister_component
+  snprintf
+  sort
+  __spi_register_driver
+  spi_sync
+  sprintf
+  sscanf
+  __stack_chk_fail
+  strcasecmp
+  strchr
+  strcmp
+  strcpy
+  strlcpy
+  strlen
+  strncasecmp
+  strncat
+  strncmp
+  strncpy
+  strnlen
+  strrchr
+  strscpy
+  strsep
+  strstr
+  __sw_hweight32
+  __sw_hweight64
+  sync_file_create
+  sync_file_get_fence
+  synchronize_irq
+  synchronize_rcu
+  syscon_node_to_regmap
+  syscon_regmap_lookup_by_phandle
+  sysfs_create_file_ns
+  sysfs_create_group
+  sysfs_create_link
+  __sysfs_match_string
+  sysfs_remove_file_ns
+  sysfs_remove_group
+  sysfs_remove_link
+  sysfs_streq
+  system_freezable_wq
+  system_highpri_wq
+  system_long_wq
+  system_power_efficient_wq
+  system_state
+  system_unbound_wq
+  system_wq
+  tasklet_init
+  tasklet_kill
+  __tasklet_schedule
+  tcpm_tcpc_reset
+  thermal_zone_get_zone_by_name
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  trace_print_symbols_seq
+  trace_raw_output_prep
+  trace_seq_printf
+  try_module_get
+  tty_termios_baud_rate
+  typec_switch_get_drvdata
+  typec_switch_register
+  typec_switch_unregister
+  __udelay
+  unregister_chrdev_region
+  unregister_netdev
+  unregister_netdevice_notifier
+  unregister_reboot_notifier
+  unregister_shrinker
+  up
+  update_devfreq
+  up_read
+  up_write
+  usb_add_hcd
+  usb_alloc_urb
+  usb_autopm_get_interface
+  usb_autopm_put_interface
+  usb_calc_bus_time
+  usb_control_msg
+  usb_create_hcd
+  usb_debug_root
+  usb_deregister
+  usb_deregister_dev
+  usb_disabled
+  usb_free_urb
+  usb_get_dev
+  usb_get_intf
+  usb_hcd_check_unlink_urb
+  usb_hcd_giveback_urb
+  usb_hcd_link_urb_to_ep
+  usb_hcd_resume_root_hub
+  usb_hcd_unlink_urb_from_ep
+  usb_hid_driver
+  usb_match_id
+  usbnet_change_mtu
+  usbnet_defer_kevent
+  usbnet_disconnect
+  usbnet_get_drvinfo
+  usbnet_get_endpoints
+  usbnet_get_link
+  usbnet_get_link_ksettings
+  usbnet_get_msglevel
+  usbnet_get_stats64
+  usbnet_link_change
+  usbnet_nway_reset
+  usbnet_open
+  usbnet_probe
+  usbnet_read_cmd
+  usbnet_read_cmd_nopm
+  usbnet_resume
+  usbnet_set_link_ksettings
+  usbnet_set_msglevel
+  usbnet_skb_return
+  usbnet_start_xmit
+  usbnet_stop
+  usbnet_suspend
+  usbnet_tx_timeout
+  usbnet_write_cmd
+  usbnet_write_cmd_async
+  usbnet_write_cmd_nopm
+  usb_poison_urb
+  usb_put_dev
+  usb_put_hcd
+  usb_put_intf
+  usb_register_dev
+  usb_register_driver
+  usb_remove_hcd
+  usb_set_interface
+  usb_submit_urb
+  usb_unpoison_urb
+  __usecs_to_jiffies
+  usleep_range
+  uuid_null
+  v4l2_async_notifier_cleanup
+  v4l2_async_notifier_init
+  v4l2_async_notifier_register
+  v4l2_async_notifier_unregister
+  v4l2_async_register_subdev
+  v4l2_async_subdev_notifier_register
+  v4l2_async_unregister_subdev
+  v4l2_ctrl_find
+  v4l2_ctrl_g_ctrl
+  v4l2_ctrl_g_ctrl_int64
+  v4l2_ctrl_handler_free
+  v4l2_ctrl_handler_init_class
+  __v4l2_ctrl_handler_setup
+  v4l2_ctrl_handler_setup
+  __v4l2_ctrl_modify_range
+  v4l2_ctrl_new_custom
+  v4l2_ctrl_new_int_menu
+  v4l2_ctrl_new_std
+  v4l2_ctrl_new_std_menu
+  v4l2_ctrl_new_std_menu_items
+  __v4l2_ctrl_s_ctrl
+  __v4l2_ctrl_s_ctrl_int64
+  v4l2_ctrl_subdev_subscribe_event
+  v4l2_device_register
+  v4l2_device_register_subdev
+  __v4l2_device_register_subdev_nodes
+  v4l2_device_unregister
+  v4l2_device_unregister_subdev
+  v4l2_enum_dv_timings_cap
+  v4l2_event_queue
+  v4l2_event_subdev_unsubscribe
+  v4l2_event_subscribe
+  v4l2_event_unsubscribe
+  v4l2_fh_open
+  v4l2_i2c_subdev_init
+  v4l2_match_dv_timings
+  v4l2_pipeline_pm_get
+  v4l2_pipeline_pm_put
+  v4l2_print_dv_timings
+  v4l2_querymenu
+  v4l2_src_change_event_subdev_subscribe
+  v4l2_subdev_call_wrappers
+  v4l2_subdev_init
+  v4l2_subdev_link_validate
+  v4l2_subdev_notify_event
+  v4l2_type_names
+  v4l2_valid_dv_timings
+  vabits_actual
+  vb2_buffer_done
+  vb2_fop_mmap
+  vb2_fop_poll
+  vb2_fop_release
+  vb2_ioctl_create_bufs
+  vb2_ioctl_dqbuf
+  vb2_ioctl_expbuf
+  vb2_ioctl_prepare_buf
+  vb2_ioctl_qbuf
+  vb2_ioctl_querybuf
+  vb2_ioctl_reqbufs
+  vb2_ioctl_streamoff
+  vb2_ioctl_streamon
+  vb2_ops_wait_finish
+  vb2_ops_wait_prepare
+  vb2_plane_cookie
+  vb2_plane_vaddr
+  vb2_queue_init
+  vb2_queue_release
+  vb2_vmalloc_memops
+  vfree
+  video_devdata
+  video_device_release_empty
+  video_ioctl2
+  __video_register_device
+  video_unregister_device
+  vmalloc
+  vmap
+  vm_get_page_prot
+  vm_map_pages
+  vsnprintf
+  vunmap
+  vzalloc
+  wait_for_completion
+  wait_for_completion_timeout
+  __wake_up
+  wake_up_process
+  wakeup_source_add
+  wakeup_source_remove
+  __warn_printk
+  work_busy
+
+# required by 8250_dw.ko
+  of_device_is_big_endian
+  serial8250_clear_and_reinit_fifos
+  serial8250_do_pm
+  serial8250_do_set_divisor
+  serial8250_do_set_ldisc
+  serial8250_do_set_termios
+  serial8250_get_port
+  serial8250_handle_irq
+  serial8250_register_8250_port
+  serial8250_resume_port
+  serial8250_suspend_port
+  serial8250_unregister_port
+  serial8250_update_uartclk
+
+# required by 8822ce.ko
+  netdev_set_default_ethtool_ops
+
+# required by act8865-regulator.ko
+  regulator_set_pull_down_regmap
+
+# required by adc-keys.ko
+  iio_get_channel_type
+  input_set_poll_interval
+  input_setup_polling
+
+# required by aes-ce-ccm.ko
+  ce_aes_expandkey
+
+# required by aic8800_fdrv.ko
+  cfg80211_cqm_rssi_notify
+  cfg80211_cqm_pktloss_notify
+  cfg80211_rx_unexpected_4addr_frame
+  cfg80211_notify_new_peer_candidate
+  cfg80211_ft_event
+  cfg80211_report_obss_beacon_khz
+  ieee80211_amsdu_to_8023s
+  skb_append
+  cfg80211_probe_status
+  cfg80211_ch_switch_started_notify
+  ieee80211_chandef_to_operating_class
+  cfg80211_cac_event
+  cfg80211_radar_event
+
+# required by aic_btusb.ko
+  usb_interrupt_msg
+  usb_disable_autosuspend
+  __pskb_copy_fclone
+
+# required by aic_load_fw.ko
+  send_sig
+  wait_for_completion_killable_timeout
+
+# required by analogix_dp.ko
+  drm_dp_start_crc
+  drm_dp_stop_crc
+
+# required by aspm_ext.ko
+  pci_find_capability
+  pci_find_ext_capability
+
+# required by bcmdhd.ko
+  alloc_etherdev_mqs
+  __cfg80211_alloc_event_skb
+  __cfg80211_alloc_reply_skb
+  cfg80211_chandef_create
+  cfg80211_ch_switch_notify
+  cfg80211_connect_done
+  cfg80211_del_sta_sinfo
+  cfg80211_disconnected
+  cfg80211_external_auth_request
+  cfg80211_find_elem_match
+  cfg80211_get_bss
+  cfg80211_ibss_joined
+  cfg80211_inform_bss_frame_data
+  cfg80211_mgmt_tx_status
+  cfg80211_michael_mic_failure
+  cfg80211_new_sta
+  cfg80211_port_authorized
+  cfg80211_put_bss
+  cfg80211_ready_on_channel
+  cfg80211_remain_on_channel_expired
+  cfg80211_roamed
+  cfg80211_rx_mgmt_khz
+  cfg80211_scan_done
+  cfg80211_sched_scan_results
+  cfg80211_sched_scan_stopped
+  __cfg80211_send_event_skb
+  cfg80211_unlink_bss
+  cfg80211_unregister_wdev
+  cfg80211_vendor_cmd_reply
+  complete_and_exit
+  down_interruptible
+  down_timeout
+  free_netdev
+  ieee80211_channel_to_freq_khz
+  ieee80211_freq_khz_to_channel
+  ieee80211_get_channel_khz
+  init_net
+  iwe_stream_add_event
+  iwe_stream_add_point
+  iwe_stream_add_value
+  __kfifo_init
+  kfree_skb
+  kobject_uevent
+  __local_bh_enable_ip
+  mmc_set_data_timeout
+  mmc_sw_reset
+  mmc_wait_for_req
+  netif_rx
+  netif_rx_ni
+  netif_set_xps_queue
+  __netlink_kernel_create
+  netlink_kernel_release
+  netlink_unicast
+  nla_append
+  nla_memcpy
+  nla_put
+  nla_put_nohdr
+  nla_reserve
+  __nlmsg_put
+  pci_enable_device
+  pci_enable_wake
+  pci_get_device
+  pci_load_and_free_saved_state
+  pci_store_saved_state
+  prandom_bytes
+  prandom_u32
+  _raw_read_lock_bh
+  _raw_read_unlock_bh
+  register_inetaddr_notifier
+  register_netdevice
+  regulatory_hint
+  regulatory_set_wiphy_regd
+  regulatory_set_wiphy_regd_sync_rtnl
+  rtnl_is_locked
+  sched_set_fifo_low
+  sdio_claim_host
+  sdio_disable_func
+  sdio_enable_func
+  sdio_f0_readb
+  sdio_f0_writeb
+  sdio_get_host_pm_caps
+  sdio_memcpy_fromio
+  sdio_memcpy_toio
+  sdio_readb
+  sdio_readl
+  sdio_readsb
+  sdio_readw
+  sdio_register_driver
+  sdio_release_host
+  sdio_retune_crc_disable
+  sdio_retune_crc_enable
+  sdio_retune_hold_now
+  sdio_retune_release
+  sdio_set_block_size
+  sdio_set_host_pm_flags
+  sdio_unregister_driver
+  sdio_writeb
+  sdio_writel
+  sdio_writew
+  set_cpus_allowed_ptr
+  skb_copy
+  __skb_pad
+  skb_realloc_headroom
+  sock_wfree
+  sprint_symbol
+  strcat
+  strspn
+  sys_tz
+  unregister_inetaddr_notifier
+  unregister_netdevice_queue
+  unregister_pm_notifier
+  wiphy_free
+  wiphy_new_nm
+  wiphy_register
+  wiphy_unregister
+  wireless_send_event
+
+# required by bifrost_kbase.ko
+  __arch_clear_user
+  __bitmap_equal
+  __bitmap_or
+  __bitmap_weight
+  __bitmap_xor
+  bpf_trace_run4
+  bpf_trace_run5
+  cache_line_size
+  clear_page
+  complete_all
+  _ctype
+  debugfs_create_bool
+  devfreq_add_device
+  devfreq_cooling_unregister
+  devfreq_remove_device
+  dev_pm_opp_find_freq_exact
+  dma_fence_default_wait
+  dma_fence_remove_callback
+  downgrade_write
+  down_read_trylock
+  dump_stack
+  find_get_pid
+  freezing_slow_path
+  get_user_pages
+  get_user_pages_fast
+  hrtimer_active
+  iomem_resource
+  kobject_del
+  kstrndup
+  kstrtobool_from_user
+  ktime_get_raw
+  ktime_get_raw_ts64
+  memchr
+  of_dma_is_coherent
+  of_property_read_variable_u64_array
+  param_array_ops
+  pid_task
+  pin_user_pages
+  pin_user_pages_remote
+  put_pid
+  rb_first
+  rb_prev
+  rb_replace_node
+  __refrigerator
+  register_oom_notifier
+  __release_region
+  remap_vmalloc_range
+  __request_region
+  seq_open
+  __seq_open_private
+  seq_release
+  seq_release_private
+  seq_write
+  set_freezable
+  shmem_file_setup
+  simple_open
+  strcspn
+  system_freezing_cnt
+  _totalram_pages
+  __traceiter_gpu_mem_total
+  trace_output_call
+  __tracepoint_gpu_mem_total
+  trace_print_array_seq
+  trace_print_flags_seq
+  unmap_mapping_range
+  unpin_user_page
+  unregister_oom_notifier
+  vmalloc_user
+  vmf_insert_pfn_prot
+
+# required by bq25700_charger.ko
+  power_supply_get_by_name
+
+# required by cdc-wdm.ko
+  cdc_parse_cdc_header
+
+# required by cdc_mbim.ko
+  cdc_ncm_bind_common
+  cdc_ncm_change_mtu
+  cdc_ncm_fill_tx_frame
+  cdc_ncm_rx_verify_ndp16
+  cdc_ncm_rx_verify_nth16
+  cdc_ncm_select_altsetting
+  cdc_ncm_unbind
+  in6_dev_finish_destroy
+  __ipv6_addr_type
+  ipv6_stub
+  __vlan_find_dev_deep_rcu
+
+# required by clk-link.ko
+  pm_clk_add
+  pm_clk_resume
+  pm_clk_suspend
+
+# required by clk-pwm.ko
+  of_clk_add_hw_provider
+  of_clk_hw_simple_get
+
+# required by clk-out.ko
+  __clk_hw_register_gate
+  of_clk_parent_fill
+
+# required by clk-rk628.ko
+  devm_reset_controller_register
+
+# required by clk-rockchip-regmap.ko
+  clk_hw_get_num_parents
+  divider_recalc_rate
+  divider_round_rate_parent
+
+# required by clk-rockchip.ko
+  clk_divider_ops
+  clk_divider_ro_ops
+  clk_fixed_factor_ops
+  clk_fractional_divider_ops
+  __clk_get_hw
+  clk_hw_register_composite
+  clk_hw_round_rate
+  clk_hw_set_parent
+  clk_hw_unregister_composite
+  clk_mux_ops
+  clk_mux_ro_ops
+  clk_register_divider_table
+  clk_register_fixed_factor
+  clk_register_gate
+  clk_register_mux_table
+  match_string
+  register_restart_handler
+  reset_controller_register
+
+# required by clk-scmi.ko
+  clk_hw_set_rate_range
+  of_clk_hw_onecell_get
+  scmi_driver_register
+  scmi_driver_unregister
+
+# required by cm3218.ko
+  i2c_smbus_write_word_data
+
+# required by cpufreq-dt.ko
+  cpufreq_enable_boost_support
+  cpufreq_freq_attr_scaling_available_freqs
+  cpufreq_freq_attr_scaling_boost_freqs
+  cpufreq_generic_frequency_table_verify
+  cpufreq_generic_get
+  cpufreq_register_driver
+  cpufreq_unregister_driver
+  dev_pm_opp_free_cpufreq_table
+  dev_pm_opp_get_max_transition_latency
+  dev_pm_opp_get_sharing_cpus
+  dev_pm_opp_get_suspend_opp_freq
+  dev_pm_opp_init_cpufreq_table
+  dev_pm_opp_of_cpumask_add_table
+  dev_pm_opp_of_cpumask_remove_table
+  dev_pm_opp_of_register_em
+  dev_pm_opp_set_sharing_cpus
+  policy_has_boost_freq
+
+# required by cpufreq_ondemand.ko
+  cpufreq_cpu_get_raw
+  cpufreq_dbs_governor_exit
+  cpufreq_dbs_governor_init
+  cpufreq_dbs_governor_limits
+  cpufreq_dbs_governor_start
+  cpufreq_dbs_governor_stop
+  cpufreq_table_index_unsorted
+  dbs_update
+  get_cpu_idle_time_us
+  gov_update_cpu_data
+  store_sampling_rate
+
+# required by cqhci.ko
+  devm_blk_ksm_init
+
+# required by cryptodev.ko
+  crypto_aead_setauthsize
+  crypto_ahash_final
+  crypto_alloc_akcipher
+  krealloc
+  proc_dointvec
+  register_sysctl_table
+  sg_last
+  unregister_sysctl_table
+
+# required by cw221x_battery.ko
+  power_supply_is_system_supplied
+
+# required by des_generic.ko
+  crypto_register_algs
+  crypto_unregister_algs
+
+# required by display-connector.ko
+  drm_atomic_get_new_bridge_state
+  drm_probe_ddc
+
+# required by dm9601.ko
+  mii_link_ok
+
+# required by dw-dp.ko
+  hdmi_drm_infoframe_pack_only
+
+# required by dw-hdmi-hdcp.ko
+  kstrtobool
+  sha1_init
+  sha1_transform
+
+# required by dw-hdmi-qp.ko
+  drm_mode_equal
+  hdmi_avi_infoframe_pack_only
+
+# required by dw-hdmi.ko
+  drm_connector_attach_max_bpc_property
+  drm_default_rgb_quant_range
+  of_graph_get_endpoint_by_regs
+
+# required by dw-mipi-dsi.ko
+  drm_panel_bridge_remove
+
+# required by dw_mmc-rockchip.ko
+  clk_get_phase
+  mmc_send_tuning
+
+# required by dw_mmc.ko
+  debugfs_create_u32
+  debugfs_create_x64
+  device_property_read_string_array
+  mmc_add_host
+  mmc_alloc_host
+  mmc_can_gpio_cd
+  mmc_detect_change
+  mmc_free_host
+  mmc_gpio_get_cd
+  mmc_gpio_get_ro
+  mmc_regulator_get_supply
+  mmc_regulator_set_ocr
+  mmc_regulator_set_vqmmc
+  mmc_remove_host
+  sdio_signal_irq
+  sg_miter_next
+  sg_miter_start
+  sg_miter_stop
+
+# required by dw_wdt.ko
+  watchdog_init_timeout
+  watchdog_register_device
+  watchdog_set_restart_priority
+  watchdog_unregister_device
+
+# required by dwc2.ko
+  __bitmap_clear
+  bitmap_find_next_zero_area_off
+  __bitmap_set
+  phy_reset
+  _raw_spin_trylock
+  usb_add_gadget_udc
+  usb_del_gadget_udc
+  usb_ep_set_maxpacket_limit
+  usb_gadget_giveback_request
+  usb_gadget_map_request
+  usb_gadget_set_state
+  usb_gadget_unmap_request
+  usb_get_dr_mode
+  usb_hcd_map_urb_for_dma
+  usb_hcd_unmap_urb_for_dma
+  usb_hub_clear_tt_buffer
+  usb_phy_set_charger_current
+  usb_role_switch_get_drvdata
+  usb_role_switch_register
+  usb_role_switch_unregister
+  usb_speed_string
+  usb_wakeup_enabled_descendants
+
+# required by dwmac-rockchip.ko
+  csum_tcpudp_nofold
+  ip_send_check
+  of_get_phy_mode
+  __pskb_pull_tail
+
+# required by fusb302.ko
+  extcon_get_extcon_dev
+  fwnode_create_software_node
+  sched_set_fifo
+  tcpm_cc_change
+  tcpm_pd_hard_reset
+  tcpm_pd_receive
+  tcpm_pd_transmit_complete
+  tcpm_register_port
+  tcpm_unregister_port
+  tcpm_vbus_change
+
+# required by gc2145.ko
+  v4l2_ctrl_subdev_log_status
+
+# required by ghash-ce.ko
+  aes_expandkey
+  gf128mul_lle
+
+# required by gpio-regulator.ko
+  gpiod_count
+
+# required by gpio-rockchip.ko
+  gpiochip_add_data_with_key
+  gpiochip_remove
+  handle_edge_irq
+  handle_level_irq
+  __irq_alloc_domain_generic_chips
+  irq_gc_ack_set_bit
+  irq_gc_mask_clr_bit
+  irq_gc_mask_set_bit
+  irq_gc_set_wake
+  irq_generic_chip_ops
+  irq_get_domain_generic_chip
+  of_pinctrl_get
+
+# required by hid-alps.ko
+  input_alloc_absinfo
+  input_mt_sync_frame
+
+# required by hid-holtek-kbd.ko
+  usb_ifnum_to_if
+
+# required by hid-primax.ko
+  hid_report_raw_event
+
+# required by i2c-dev.ko
+  bus_register_notifier
+  bus_unregister_notifier
+  device_for_each_child
+  i2c_bus_type
+  i2c_for_each_dev
+  i2c_verify_client
+  register_chrdev_region
+
+# required by i2c-gpio.ko
+  desc_to_gpio
+  i2c_bit_add_numbered_bus
+
+# required by i2c-hid.ko
+  hid_add_device
+  hid_allocate_device
+  hid_destroy_device
+  hid_input_report
+  hid_parse_report
+
+# required by i2c-mux.ko
+  __i2c_transfer
+  rt_mutex_lock
+  rt_mutex_trylock
+  rt_mutex_unlock
+
+# required by i2c-rk3x.ko
+  i2c_parse_fw_timings
+
+# required by industrialio-buffer-cb.ko
+  bitmap_free
+  bitmap_zalloc
+  iio_channel_get_all
+  iio_channel_release_all
+  iio_update_buffers
+
+# required by industrialio-triggered-buffer.ko
+  iio_alloc_pollfunc
+  iio_dealloc_pollfunc
+
+# required by io-domain.ko
+  _dev_crit
+  regulator_register_notifier
+  regulator_unregister_notifier
+
+# required by it662x.ko
+  snd_pcm_rate_to_rate_bit
+
+# required by kalmia.ko
+  usb_bulk_msg
+
+# required by kfifo_buf.ko
+  __kfifo_to_user
+
+# required by leds-rgb13h.ko
+  led_classdev_flash_register_ext
+  led_classdev_flash_unregister
+
+# required by ledtrig-heartbeat.ko
+  avenrun
+
+# required by lzo-rle.ko
+  lzorle1x_1_compress
+
+# required by lzo.ko
+  lzo1x_1_compress
+
+# moal.ko
+  cpu_latency_qos_request_active
+  cfg80211_auth_timeout
+  in4_pton
+  iw_handler_set_spy
+  iw_handler_get_spy
+  iw_handler_set_thrspy
+  iw_handler_get_thrspy
+  cfg80211_report_wowlan_wakeup
+  sdio_release_irq
+  sdio_claim_irq
+
+# required by nvme-core.ko
+  bd_set_nr_sectors
+  blk_execute_rq
+  blk_freeze_queue_start
+  blk_mq_alloc_request
+  blk_mq_alloc_request_hctx
+  blk_mq_complete_request
+  blk_mq_delay_kick_requeue_list
+  blk_mq_end_request
+  blk_mq_freeze_queue
+  blk_mq_freeze_queue_wait
+  blk_mq_freeze_queue_wait_timeout
+  blk_mq_requeue_request
+  blk_mq_unfreeze_queue
+  blk_mq_unique_tag
+  blk_poll
+  blk_queue_chunk_sectors
+  blk_queue_dma_alignment
+  blk_queue_flag_test_and_set
+  blk_queue_max_discard_segments
+  blk_queue_max_hw_sectors
+  blk_queue_max_segments
+  blk_queue_virt_boundary
+  blk_queue_write_cache
+  blk_rq_map_kern
+  blk_rq_map_user
+  blk_rq_unmap_user
+  blk_set_queue_dying
+  blk_status_to_errno
+  blk_sync_queue
+  cleanup_srcu_struct
+  device_remove_file_self
+  dev_pm_qos_expose_latency_tolerance
+  dev_pm_qos_hide_latency_tolerance
+  dev_pm_qos_update_user_latency_tolerance
+  init_srcu_struct
+  kobject_uevent_env
+  memchr_inv
+  param_ops_ulong
+  set_capacity_revalidate_and_notify
+  set_disk_ro
+  __srcu_read_unlock
+  synchronize_srcu
+  trace_seq_putc
+  xa_destroy
+  xa_erase
+  xa_find
+  xa_find_after
+  xa_load
+  xa_store
+
+# required by nvme.ko
+  async_schedule_node
+  blk_get_queue
+  blk_mq_alloc_tag_set
+  blk_mq_complete_request_remote
+  blk_mq_free_tag_set
+  blk_mq_map_queues
+  blk_mq_pci_map_queues
+  blk_mq_start_request
+  blk_mq_tag_to_rq
+  blk_mq_update_nr_hw_queues
+  blk_put_queue
+  __blk_rq_map_sg
+  dma_max_mapping_size
+  __do_once_done
+  __do_once_start
+  mempool_alloc
+  mempool_create_node
+  mempool_destroy
+  mempool_free
+  mempool_kfree
+  mempool_kmalloc
+  param_get_uint
+  param_set_uint
+  pci_alloc_irq_vectors_affinity
+  pcibios_resource_to_bus
+  pci_device_is_present
+  pci_disable_device
+  pci_disable_pcie_error_reporting
+  pcie_aspm_enabled
+  pci_enable_device_mem
+  pci_enable_pcie_error_reporting
+  pci_free_irq
+  pci_free_irq_vectors
+  pci_irq_vector
+  pci_load_saved_state
+  pci_read_config_word
+  __pci_register_driver
+  pci_release_selected_regions
+  pci_request_irq
+  pci_request_selected_regions
+  pci_restore_state
+  pci_save_state
+  pci_select_bars
+  pci_set_master
+  pci_sriov_configure_simple
+  pci_unregister_driver
+  pm_suspend_global_flags
+  sysfs_remove_file_from_group
+  wait_for_completion_io_timeout
+
+# required by ohci-hcd.ko
+  gen_pool_dma_alloc_align
+  gen_pool_dma_zalloc_align
+  sb800_prefetch
+  schedule_timeout_uninterruptible
+  usb_amd_dev_put
+  usb_amd_quirk_pll_disable
+  usb_amd_quirk_pll_enable
+  usb_hc_died
+  usb_hcd_poll_rh_status
+  usb_hcds_loaded
+  usb_root_hub_lost_power
+
+# required by ohci-platform.ko
+  usb_hcd_platform_shutdown
+
+# required by optee-rng.ko
+  hwrng_register
+  hwrng_unregister
+
+# required by optee.ko
+  alloc_pages_exact
+  __arm_smccc_hvc
+  bus_for_each_dev
+  device_register
+  free_pages_exact
+  memremap
+  memunmap
+  wait_for_completion_interruptible
+
+# required by panel-simple.ko
+  devm_backlight_device_register
+  drm_bus_flags_from_videomode
+  drm_connector_set_panel_orientation
+  drm_panel_of_backlight
+  drm_panel_remove
+  mipi_dsi_compression_mode
+  mipi_dsi_dcs_get_display_brightness
+  mipi_dsi_dcs_set_display_brightness
+  mipi_dsi_dcs_write_buffer
+  mipi_dsi_driver_register_full
+  mipi_dsi_driver_unregister
+  mipi_dsi_generic_write
+  mipi_dsi_picture_parameter_set
+  of_drm_get_panel_orientation
+  of_find_i2c_adapter_by_node
+  of_get_display_timing
+  videomode_from_timing
+
+# required by pcie-dw-rockchip.ko
+  cpumask_next_and
+  debugfs_create_devm_seqfile
+  dw_pcie_find_ext_capability
+  dw_pcie_host_init
+  dw_pcie_link_up
+  dw_pcie_read
+  dw_pcie_read_dbi
+  dw_pcie_setup_rc
+  dw_pcie_write
+  dw_pcie_write_dbi
+  pci_disable_link_state
+  pci_set_power_state
+
+# required by pcierockchiphost.ko
+  devm_pci_alloc_host_bridge
+  devm_pci_remap_cfg_resource
+  dummy_irq_chip
+  jiffies_to_usecs
+  of_pci_get_max_link_speed
+  pci_host_probe
+  pci_remove_root_bus
+  pci_stop_root_bus
+  regulator_get_current_limit
+
+# required by pciexxx.ko
+  pci_reset_function
+  pci_disable_msix
+  pci_enable_msix_range
+
+# required by phy-rockchip-inno-dsidphy.ko
+  phy_mipi_dphy_config_validate
+
+# required by phy-rockchip-inno-usb2.ko
+  devm_extcon_register_notifier
+  extcon_sync
+
+# required by phy-rockchip-inno-usb3.ko
+  usb_add_phy
+
+# required by phy-rockchip-samsung-hdptx-hdmi.ko
+  of_platform_device_create
+
+# required by phy-rockchip-typec.ko
+  extcon_get_property
+
+# required by phy-rockchip-usbdp.ko
+  typec_mux_get_drvdata
+  typec_mux_register
+  typec_mux_unregister
+  usb_get_maximum_speed
+
+# required by pinctrl-rk628.ko
+  irq_domain_xlate_twocell
+  pinctrl_add_gpio_range
+  pinctrl_find_gpio_range_from_pin
+
+# required by pinctrl-rockchip.ko
+  of_find_node_by_phandle
+  of_platform_depopulate
+  of_platform_populate
+  pinconf_generic_parse_dt_config
+  pinctrl_force_default
+  pinctrl_force_sleep
+  pin_get_name
+
+# required by pl330.ko
+  amba_driver_register
+  amba_driver_unregister
+  dma_async_device_register
+  dma_async_device_unregister
+  dma_async_tx_descriptor_init
+  dmaengine_unmap_put
+  dma_get_slave_channel
+  loops_per_jiffy
+  of_dma_controller_free
+  of_dma_controller_register
+  pm_runtime_irq_safe
+  tasklet_setup
+
+# required by pm_domains.ko
+  clk_bulk_put
+  of_genpd_add_provider_onecell
+  panic
+  param_get_bool
+  param_set_bool
+  pm_clk_add_clk
+  pm_genpd_add_subdomain
+  pm_genpd_init
+  pm_genpd_remove
+  pm_wq
+
+# required by pps_core.ko
+  fasync_helper
+  kill_fasync
+  kobject_get
+
+# required by ptp.ko
+  kthread_cancel_delayed_work_sync
+  kthread_delayed_work_timer_fn
+  kthread_mod_delayed_work
+  kthread_queue_delayed_work
+  ktime_get_snapshot
+  posix_clock_register
+  posix_clock_unregister
+
+# required by ptp_kvm.ko
+  get_device_system_crosststamp
+  kvm_arch_ptp_get_crosststamp
+  kvm_arm_hyp_service_available
+
+# required by pwm-regulator.ko
+  regulator_map_voltage_iterate
+
+# required by pwm-rockchip.ko
+  of_pwm_xlate_with_flags
+  pwmchip_add
+  pwmchip_remove
+
+# required by pwm_bl.ko
+  backlight_device_register
+  backlight_device_unregister
+  pwm_free
+  pwm_request
+
+# required by pwrseq_simple.ko
+  bitmap_alloc
+  devm_gpiod_get_array
+  gpiod_set_array_value_cansleep
+  mmc_pwrseq_register
+  mmc_pwrseq_unregister
+
+# required by r8168.ko
+  pci_set_mwi
+  pci_clear_mwi
+  proc_get_parent_data
+  skb_checksum_help
+  __skb_gso_segment
+  remove_proc_subtree
+  pci_choose_state
+
+# required by wlan_mt7902_usb.ko
+  cfg80211_cqm_txe_notify
+  ieee80211_operating_class_to_band
+
+# required by reboot-mode.ko
+  devres_release
+  kernel_kobj
+
+# required by rfkill-rk.ko
+  kstrtoll
+  rfkill_init_sw_state
+  rfkill_set_hw_state
+  rfkill_set_sw_state
+
+# required by rga3.ko
+  alloc_iova_fast
+  dma_fence_wait_timeout
+  free_iova_fast
+  idr_alloc_cyclic
+  idr_preload
+  kstrdup_quotable_cmdline
+  mmput
+
+# required by rk628.ko
+  irq_dispose_mapping
+  irq_domain_xlate_onetwocell
+  irq_set_parent
+
+# required by rk628_dsi.ko
+  of_drm_find_panel
+
+# required by rk805-pwrkey.ko
+  devm_request_any_context_irq
+
+# required by rk806-core.ko
+  devm_regmap_add_irq_chip
+
+# required by rk806-spi.ko
+  spi_write_then_read
+
+# required by rk808-regulator.ko
+  gpiod_is_active_low
+
+# required by rk808.ko
+  platform_device_add
+  platform_device_alloc
+  pm_power_off_prepare
+  register_syscore_ops
+  regmap_add_irq_chip
+  regmap_del_irq_chip
+  unregister_syscore_ops
+
+# required by rk860x-regulator.ko
+  regulator_suspend_enable
+
+# required by rk_cma_heap.ko
+  dma_heap_get_drvdata
+  dma_heap_put
+
+# required by rk_crypto.ko
+  crypto_ahash_digest
+  crypto_dequeue_request
+  crypto_enqueue_request
+  crypto_init_queue
+  crypto_register_ahash
+  crypto_register_akcipher
+  crypto_register_skcipher
+  crypto_req_done
+  crypto_unregister_ahash
+  crypto_unregister_akcipher
+  crypto_unregister_skcipher
+  rsa_parse_priv_key
+  rsa_parse_pub_key
+  scatterwalk_ffwd
+  sg_copy_from_buffer
+  sg_copy_to_buffer
+  sg_nents_for_len
+  sg_pcopy_from_buffer
+  sg_pcopy_to_buffer
+
+# required by rk_headset_irq_hook_adc.ko
+  iio_read_channel_raw
+
+# required by rk_ircut.ko
+  drain_workqueue
+
+# required by rk_system_heap.ko
+  deferred_free
+  dmabuf_page_pool_alloc
+  dmabuf_page_pool_create
+  dmabuf_page_pool_destroy
+  dmabuf_page_pool_free
+  swiotlb_max_segment
+
+# required by rk_vcodec.ko
+  devm_iounmap
+  dev_pm_domain_attach
+  dev_pm_opp_get_freq
+  disable_hardirq
+  dma_buf_begin_cpu_access_partial
+  dma_buf_end_cpu_access_partial
+  __fdget
+  iommu_device_unregister
+  iommu_dma_reserve_iova
+  __kthread_init_worker
+  kthread_worker_fn
+  __module_get
+  of_device_alloc
+  of_dma_configure_id
+  platform_device_del
+  pm_generic_runtime_resume
+  pm_generic_runtime_suspend
+  proc_create_single_data
+  proc_remove
+
+# required by rknpu.ko
+  dev_pm_domain_attach_by_name
+  drm_gem_dumb_destroy
+  drm_gem_handle_delete
+  drm_gem_prime_export
+  drm_gem_prime_import_dev
+  drm_gem_vm_open
+  drm_prime_gem_destroy
+  set_user_nice
+  vmf_insert_mixed
+  vm_insert_page
+
+# required by rockchip-cpufreq.ko
+  cpufreq_unregister_notifier
+  dev_pm_opp_put_prop_name
+
+# required by rockchip-hdmirx.ko
+  cec_s_phys_addr_from_edid
+  cpu_latency_qos_remove_request
+  device_create_with_groups
+  of_reserved_mem_device_release
+  v4l2_ctrl_log_status
+  v4l2_ctrl_subscribe_event
+  v4l2_find_dv_timings_cap
+  v4l2_src_change_event_subscribe
+  vb2_dma_contig_memops
+  vb2_fop_read
+
+# required by rockchip-rng.ko
+  devm_hwrng_register
+  devm_of_iomap
+
+# required by rockchip_bus.ko
+  cpu_topology
+
+# required by rockchip_debug.ko
+  nr_irqs
+
+# required by rockchip_dmc.ko
+  cpufreq_cpu_put
+  cpufreq_quick_get
+  devfreq_event_disable_edev
+  devfreq_event_enable_edev
+  devfreq_event_get_edev_by_phandle
+  devfreq_event_get_edev_count
+  devfreq_event_get_event
+  devfreq_monitor_resume
+  devfreq_monitor_start
+  devfreq_monitor_stop
+  devfreq_monitor_suspend
+  devfreq_update_interval
+  input_close_device
+  input_open_device
+  input_register_handle
+  input_register_handler
+  input_unregister_handle
+  __memset_io
+
+# required by rockchip_dmc_common.ko
+  down_write_trylock
+
+# required by rockchip_headset_core.ko
+  iio_channel_get
+
+# required by rockchip_ipa.ko
+  bpf_trace_run7
+
+# required by rockchip_opp_select.ko
+  dev_pm_opp_disable
+  dev_pm_opp_of_add_table
+  dev_pm_opp_set_prop_name
+  regulator_get_linear_step
+
+# required by rockchip_pwm_remotectl.ko
+  __tasklet_hi_schedule
+
+# required by rockchip_saradc.ko
+  iio_get_time_ns
+  iio_trigger_notify_done
+
+# required by rockchip_system_monitor.ko
+  add_cpu
+  bitmap_parselist
+  compat_only_sysfs_link_entry_to_kobj
+  dev_pm_qos_add_request
+  dev_pm_qos_remove_request
+  dev_pm_qos_update_request
+  remove_cpu
+  thermal_zone_get_temp
+
+# required by rockchip_thermal.ko
+  devm_thermal_zone_of_sensor_register
+  thermal_zone_device_disable
+  thermal_zone_device_enable
+  thermal_zone_device_update
+
+# required by rockchipdrm.ko
+  adjust_managed_page_count
+  component_add
+  component_bind_all
+  component_del
+  component_master_add_with_match
+  component_master_del
+  component_match_add_release
+  component_unbind_all
+  devm_of_phy_get_by_index
+  driver_find_device
+  drm_atomic_commit
+  drm_atomic_get_connector_state
+  drm_atomic_get_plane_state
+  drm_atomic_helper_check
+  drm_atomic_helper_check_plane_state
+  drm_atomic_helper_cleanup_planes
+  drm_atomic_helper_commit
+  drm_atomic_helper_commit_hw_done
+  drm_atomic_helper_commit_modeset_disables
+  drm_atomic_helper_commit_modeset_enables
+  drm_atomic_helper_commit_planes
+  __drm_atomic_helper_connector_destroy_state
+  __drm_atomic_helper_connector_duplicate_state
+  __drm_atomic_helper_connector_reset
+  __drm_atomic_helper_crtc_destroy_state
+  __drm_atomic_helper_crtc_duplicate_state
+  __drm_atomic_helper_disable_plane
+  drm_atomic_helper_duplicate_state
+  drm_atomic_helper_fake_vblank
+  drm_atomic_helper_page_flip
+  __drm_atomic_helper_plane_destroy_state
+  __drm_atomic_helper_plane_duplicate_state
+  __drm_atomic_helper_plane_reset
+  drm_atomic_helper_set_config
+  drm_atomic_helper_shutdown
+  drm_atomic_helper_swap_state
+  drm_atomic_helper_wait_for_vblanks
+  drm_atomic_set_crtc_for_connector
+  drm_atomic_set_crtc_for_plane
+  drm_atomic_set_fb_for_plane
+  drm_atomic_set_mode_for_crtc
+  drm_atomic_state_alloc
+  __drm_atomic_state_free
+  drm_bridge_chain_mode_set
+  drm_bridge_get_edid
+  drm_connector_attach_content_protection_property
+  drm_connector_list_iter_begin
+  drm_connector_list_iter_end
+  drm_connector_list_iter_next
+  drm_connector_list_update
+  drm_crtc_cleanup
+  drm_crtc_enable_color_mgmt
+  drm_crtc_from_index
+  drm_crtc_handle_vblank
+  drm_crtc_init_with_planes
+  drm_crtc_send_vblank_event
+  drm_crtc_vblank_get
+  drm_crtc_vblank_off
+  drm_crtc_vblank_on
+  drm_crtc_vblank_put
+  drm_debugfs_create_files
+  drm_do_get_edid
+  drm_dp_clock_recovery_ok
+  drm_dp_get_adjust_request_pre_emphasis
+  drm_dp_get_adjust_request_voltage
+  drm_dp_read_desc
+  drm_dp_read_sink_count
+  drm_encoder_cleanup
+  drm_encoder_init
+  drm_event_reserve_init_locked
+  drm_flip_work_cleanup
+  drm_flip_work_commit
+  drm_flip_work_init
+  drm_flip_work_queue
+  drm_format_info
+  drm_format_info_min_pitch
+  drm_framebuffer_cleanup
+  drm_framebuffer_init
+  drm_gem_cma_vm_ops
+  drm_gem_dmabuf_export
+  drm_gem_dmabuf_get_uuid
+  drm_gem_dmabuf_mmap
+  drm_gem_dmabuf_release
+  drm_gem_dmabuf_vmap
+  drm_gem_dmabuf_vunmap
+  drm_gem_fb_afbc_init
+  drm_gem_fb_create_handle
+  drm_gem_fb_init_with_funcs
+  drm_gem_map_attach
+  drm_gem_map_detach
+  drm_gem_map_dma_buf
+  drm_gem_unmap_dma_buf
+  drm_get_format_info
+  drm_get_format_name
+  drm_hdcp_update_content_protection
+  drm_helper_mode_fill_fb_struct
+  drm_kms_helper_poll_enable
+  drm_kms_helper_poll_fini
+  drm_kms_helper_poll_init
+  drm_mm_init
+  drm_mm_insert_node_in_range
+  drmm_mode_config_init
+  drm_mm_print
+  drm_mm_remove_node
+  drm_mm_reserve_node
+  drm_mm_takedown
+  drm_mode_config_cleanup
+  drm_mode_config_helper_resume
+  drm_mode_config_helper_suspend
+  drm_mode_config_reset
+  drm_mode_create_hdmi_colorspace_property
+  drm_mode_create_tv_properties
+  drm_mode_crtc_set_gamma_size
+  drm_mode_debug_printmodeline
+  drm_mode_is_420
+  drm_mode_object_get
+  drm_mode_object_put
+  drm_mode_prune_invalid
+  drm_mode_set_crtcinfo
+  drm_modeset_lock_all
+  drm_modeset_unlock
+  drm_modeset_unlock_all
+  drm_mode_sort
+  drm_mode_validate_size
+  drm_mode_validate_ycbcr420
+  drm_of_crtc_port_mask
+  drm_of_encoder_active_endpoint
+  drm_plane_cleanup
+  drm_plane_create_alpha_property
+  drm_plane_create_blend_mode_property
+  drm_plane_create_rotation_property
+  drm_plane_create_zpos_property
+  drm_prime_get_contiguous_size
+  __drm_printfn_seq_file
+  drm_property_blob_put
+  drm_property_create
+  drm_property_create_bitmask
+  drm_property_create_bool
+  drm_property_create_enum
+  drm_property_create_object
+  drm_property_create_range
+  drm_property_destroy
+  drm_property_lookup_blob
+  drm_property_replace_blob
+  __drm_puts_seq_file
+  drm_rect_calc_hscale
+  drm_self_refresh_helper_cleanup
+  drm_self_refresh_helper_init
+  drm_send_event_locked
+  drm_simple_encoder_init
+  drm_universal_plane_init
+  drm_vblank_init
+  drm_writeback_connector_init
+  drm_writeback_queue_job
+  drm_writeback_signal_completion
+  iommu_domain_alloc
+  iommu_domain_free
+  memblock_free
+  mipi_dsi_packet_format_is_short
+  of_find_backlight_by_node
+  of_fwnode_ops
+  of_graph_get_port_by_id
+  of_graph_get_remote_port
+  phy_mipi_dphy_get_default_config
+  platform_find_device_by_driver
+  __platform_register_drivers
+  platform_unregister_drivers
+  __sw_hweight8
+  __vmalloc
+
+# required by rtc-hym8563.ko
+  devm_rtc_device_register
+
+# required by rtc-rk808.ko
+  devm_rtc_allocate_device
+  __rtc_register_device
+  rtc_update_irq
+
+# required by rtkm.ko
+  stack_trace_print
+
+# required by sdhci-of-arasan.ko
+  __sdhci_add_host
+  sdhci_cleanup_host
+  sdhci_cqe_disable
+  sdhci_cqe_enable
+  sdhci_cqe_irq
+  sdhci_dumpregs
+  sdhci_enable_clk
+  sdhci_execute_tuning
+  sdhci_pltfm_unregister
+  sdhci_set_power_and_bus_voltage
+  sdhci_set_uhs_signaling
+  sdhci_setup_host
+
+# required by sdhci-of-dwcmshc.ko
+  devm_clk_bulk_get_optional
+  dma_get_required_mask
+  sdhci_adma_write_desc
+  sdhci_remove_host
+  sdhci_request
+
+# required by sensorbox.ko
+  kernel_sigaction
+  hidraw_report_event
+
+# required by sensor_dev.ko
+  class_create_file_ns
+  class_remove_file_ns
+
+# required by sha1-ce.ko
+  crypto_sha1_finup
+  crypto_sha1_update
+  irq_stat
+
+# required by sii902x.ko
+  hdmi_avi_infoframe_pack
+
+# required by skw.ko
+  cfg80211_check_combinations
+  cfg80211_cqm_beacon_loss_notify
+  cfg80211_reg_can_beacon_relax
+  cfg80211_shutdown_all_interfaces
+  netdev_alloc_frag
+
+# required by smsc95xx.ko
+  csum_partial
+  __mdiobus_register
+  phy_connect_direct
+  phy_disconnect
+  phy_ethtool_get_link_ksettings
+  phy_ethtool_nway_reset
+  phy_ethtool_set_link_ksettings
+  phy_find_first
+  phy_get_pause
+  phy_init_hw
+  phy_mii_ioctl
+  phy_print_status
+  phy_start
+  phy_stop
+  usb_autopm_get_interface_no_resume
+
+# required by snd-soc-es8316.ko
+  snd_pcm_hw_constraint_list
+
+# required by snd-soc-es8326.ko
+  snd_soc_register_component
+
+# required by snd-soc-hdmi-codec.ko
+  snd_ctl_add
+  snd_ctl_new1
+  snd_pcm_add_chmap_ctls
+  snd_pcm_create_iec958_consumer_default
+  snd_pcm_fill_iec958_consumer
+  snd_pcm_fill_iec958_consumer_hw_params
+  snd_pcm_hw_constraint_eld
+  snd_pcm_stop
+
+# required by snd-soc-rk817.ko
+  snd_soc_component_exit_regmap
+  snd_soc_component_init_regmap
+
+# required by snd-soc-rockchip-hdmi.ko
+  snd_soc_dapm_new_widgets
+
+# required by snd-soc-rockchip-i2s-tdm.ko
+  clk_has_parent
+  clk_is_match
+  pm_runtime_forbid
+  snd_pcm_stop_xrun
+
+# required by snd-soc-rockchip-i2s.ko
+  of_prop_next_string
+
+# required by snd-soc-rockchip-multi-dais.ko
+  snd_soc_component_initialize
+  snd_soc_add_component
+  snd_soc_rtdcom_lookup
+  snd_pcm_format_size
+  snd_hwparams_to_dma_slave_config
+
+# required by snd-soc-rockchip-multicodecs.ko
+  of_parse_phandle_with_fixed_args
+  round_jiffies_relative
+  snd_soc_jack_add_zones
+  snd_soc_jack_get_type
+
+# required by snd-soc-rockchip-spdif.ko
+  snd_pcm_create_iec958_consumer_hw_params
+
+# required by snd-soc-rt5640.ko
+  gpiod_set_raw_value_cansleep
+  regmap_register_patch
+  snd_soc_dapm_force_bias_level
+
+# required by snd-soc-simple-card-utils.ko
+  devm_kvasprintf
+  snd_soc_dai_set_tdm_slot
+  snd_soc_of_parse_audio_simple_widgets
+  snd_soc_runtime_calc_hw
+
+# required by snd-soc-simple-card.ko
+  snd_soc_dai_link_set_capabilities
+  snd_soc_of_get_dai_name
+  snd_soc_of_parse_aux_devs
+  snd_soc_of_parse_node_prefix
+  snd_soc_of_parse_tdm_slot
+
+# required by spi-rockchip.ko
+  devm_spi_register_controller
+  __spi_alloc_controller
+  spi_controller_resume
+  spi_controller_suspend
+  spi_finalize_current_transfer
+
+# required by spidev.ko
+  __register_chrdev
+  spi_setup
+  stream_open
+  __unregister_chrdev
+
+# required by stmmac-platform.ko
+  device_get_phy_mode
+  of_get_mac_address
+  of_phy_is_fixed_link
+  platform_get_irq_byname_optional
+
+# required by stmmac.ko
+  debugfs_rename
+  devm_alloc_etherdev_mqs
+  dql_completed
+  dql_reset
+  ethtool_convert_legacy_u32_to_link_mode
+  ethtool_convert_link_mode_to_legacy_u32
+  ethtool_op_get_link
+  flow_block_cb_setup_simple
+  flow_rule_match_basic
+  flow_rule_match_ipv4_addrs
+  flow_rule_match_ports
+  mdiobus_get_phy
+  __napi_alloc_skb
+  napi_complete_done
+  napi_disable
+  napi_gro_receive
+  __napi_schedule
+  napi_schedule_prep
+  netdev_alert
+  netdev_pick_tx
+  netdev_rss_key_fill
+  netif_carrier_off
+  netif_carrier_on
+  netif_device_attach
+  netif_device_detach
+  netif_napi_add
+  __netif_napi_del
+  netif_schedule_queue
+  netif_set_real_num_rx_queues
+  netif_set_real_num_tx_queues
+  of_mdiobus_register
+  page_pool_alloc_pages
+  page_pool_create
+  page_pool_destroy
+  page_pool_put_page
+  page_pool_release_page
+  phy_init_eee
+  phylink_connect_phy
+  phylink_create
+  phylink_destroy
+  phylink_disconnect_phy
+  phylink_ethtool_get_eee
+  phylink_ethtool_get_pauseparam
+  phylink_ethtool_get_wol
+  phylink_ethtool_ksettings_get
+  phylink_ethtool_ksettings_set
+  phylink_ethtool_nway_reset
+  phylink_ethtool_set_eee
+  phylink_ethtool_set_pauseparam
+  phylink_ethtool_set_wol
+  phylink_get_eee_err
+  phylink_mac_change
+  phylink_mii_ioctl
+  phylink_of_phy_connect
+  phylink_set_port_modes
+  phylink_speed_down
+  phylink_speed_up
+  phylink_start
+  phylink_stop
+  pm_wakeup_dev_event
+  reset_control_reset
+  skb_add_rx_frag
+  skb_tstamp_tx
+  synchronize_net
+
+# required by swopwm.ko
+  devm_of_pwm_get
+
+# required by sw_sync.ko
+  dma_fence_free
+  dma_fence_signal_locked
+  __get_task_comm
+
+# required by tcpci_husb311.ko
+  tcpci_get_tcpm_port
+  tcpci_irq
+  tcpci_register_port
+  tcpci_unregister_port
+
+# required by tee.ko
+  class_find_device
+  crypto_alloc_shash
+  crypto_shash_final
+  crypto_shash_update
+  gen_pool_best_fit
+  gen_pool_set_algo
+  gen_pool_virt_to_phys
+  get_kernel_pages
+  in_egroup_p
+  pin_user_pages_fast
+  unpin_user_pages
+
+# required by test_power.ko
+  param_get_int
+
+# required by timer-rockchip.ko
+  clockevents_config_and_register
+  irq_of_parse_and_map
+
+# required by touchE.ko
+  schedule_hrtimeout
+
+# required by tps65132-regulator.ko
+  regulator_set_active_discharge_regmap
+
+# required by typec_displayport.ko
+  fwnode_find_reference
+  sysfs_notify
+  typec_altmode2port
+  typec_altmode_enter
+  typec_altmode_exit
+  typec_altmode_get_partner
+  typec_altmode_notify
+  __typec_altmode_register_driver
+  typec_altmode_unregister_driver
+  typec_altmode_vdm
+  typec_get_negotiated_svdm_version
+
+# required by usblp.ko
+  add_wait_queue
+  default_wake_function
+  remove_wait_queue
+  stpcpy
+  usb_anchor_urb
+  usb_find_common_endpoints
+  usb_find_interface
+  usb_kill_anchored_urbs
+  usb_poison_anchored_urbs
+  usb_unanchor_urb
+
+# required by usbserial.ko
+  driver_attach
+  param_ops_ushort
+  put_tty_driver
+  schedule_timeout_interruptible
+  __tty_alloc_driver
+  tty_flip_buffer_push
+  tty_hangup
+  __tty_insert_flip_char
+  tty_insert_flip_string_fixed_flag
+  tty_kref_put
+  tty_ldisc_deref
+  tty_ldisc_ref
+  tty_port_close
+  tty_port_destroy
+  tty_port_hangup
+  tty_port_init
+  tty_port_open
+  tty_port_register_device
+  tty_port_tty_get
+  tty_port_tty_wakeup
+  tty_register_driver
+  tty_set_operations
+  tty_standard_install
+  tty_std_termios
+  tty_termios_copy_hw
+  tty_unregister_device
+  tty_unregister_driver
+  tty_vhangup
+  usb_kill_urb
+  usb_match_one_id
+  usb_show_dynids
+  usb_store_new_id
+
+# required by usb_audio.ko
+  usb_composite_probe
+  usb_get_function_instance
+  usb_string_ids_tab
+  usb_add_config
+  usb_gadget_connect
+  usb_put_function
+  usb_get_function
+  usb_composite_overwrite_options
+  usb_gadget_disconnect
+  usb_remove_function
+  usb_composite_unregister
+  usb_ep_autoconfig_reset
+  g_audio_setup
+  g_audio_cleanup
+  u_audio_start_capture
+  u_audio_stop_capture
+  u_audio_start_playback
+  u_audio_stop_playback
+  snd_pcm_stream_lock
+  snd_pcm_stream_unlock
+
+# required by uvc.ko
+  usb_composite_setup_continue
+  usb_function_activate
+  usb_function_deactivate
+  config_group_find_item
+  usb_ep_autoconfig_ss
+  v4l2_simplify_fraction
+  usb_gadget_frame_number
+
+# required by v4l2-fwnode.ko
+  fwnode_device_is_available
+  fwnode_graph_get_next_endpoint
+  fwnode_graph_get_port_parent
+  fwnode_graph_get_remote_endpoint
+  fwnode_graph_get_remote_port_parent
+  fwnode_graph_parse_endpoint
+  fwnode_property_get_reference_args
+  fwnode_property_read_u64_array
+  v4l2_async_notifier_add_fwnode_subdev
+  v4l2_async_notifier_add_subdev
+
+# required by video_rkcif.ko
+  media_entity_setup_link
+
+# required by video_rkisp.ko
+  media_device_cleanup
+  __memcpy_fromio
+  __memcpy_toio
+  param_ops_ullong
+  v4l2_pipeline_link_notify
+
+# required by videobuf2-cma-sg.ko
+  frame_vector_to_pages
+  split_page
+  vb2_common_vm_ops
+  vb2_create_framevec
+  vb2_destroy_framevec
+  vm_map_ram
+  vm_unmap_ram
+
+# required by vl6180.ko
+  iio_read_const_attr
+
+# required by wlan_mt7663_usb.ko
+  cfg80211_assoc_timeout
+  skb_pull_rcsum
+  sched_set_normal
+  cfg80211_tx_mlme_mgmt
+  cfg80211_rx_mlme_mgmt
+  cfg80211_rx_assoc_resp
+  usb_string
+  usb_anchor_empty
+  usb_reset_endpoint
+  dev_valid_name
+
+# required by zram.ko
+  __alloc_percpu
+  bio_endio
+  blk_alloc_queue
+  class_unregister
+  __cpuhp_state_add_instance
+  __cpuhp_state_remove_instance
+  crypto_alloc_base
+  crypto_comp_compress
+  crypto_comp_decompress
+  crypto_has_alg
+  disk_end_io_acct
+  disk_start_io_acct
+  free_percpu
+  fsync_bdev
+  kstrtou16
+  memparse
+  memset64
+  __num_online_cpus
+  page_endio
+  register_blkdev
+  unregister_blkdev
+
+# required by zsmalloc.ko
+  alloc_anon_inode
+  __ClearPageMovable
+  contig_page_data
+  dec_zone_page_state
+  inc_zone_page_state
+  init_pseudo
+  iput
+  kern_mount
+  kern_unmount
+  kill_anon_super
+  __lock_page
+  page_mapping
+  _raw_read_lock
+  _raw_read_unlock
+  _raw_write_lock
+  _raw_write_unlock
+  __SetPageMovable
+  unlock_page
+
+#required by ch341.ko
+  tty_termios_hw_change
+  tty_put_char
+
+# required by au0828.ko
+  media_device_unregister_entity_notify
+  media_device_delete
+  media_device_usb_allocate
+  media_device_register_entity_notify
+  __media_entity_setup_link
+  __media_pipeline_start
+  __media_pipeline_stop
+  v4l2_i2c_new_subdev
+  param_ops_short
+  vb2_video_unregister_device
+  v4l2_device_disconnect
+  v4l2_device_put
+  usb_unlink_urb
+  v4l2_mc_create_media_graph
+  v4l_enable_media_source
+  _vb2_fop_release
+  v4l_disable_media_source
+
+# required by cx2341x.ko
+  __v4l2_ctrl_grab
+  v4l2_ctrl_query_fill
+  v4l2_ctrl_get_menu
+  v4l2_ctrl_cluster
+  v4l2_ctrl_activate
+
+# required by cx25840.ko
+  v4l2_ctrl_handler_log_status
+
+# required by cx231xx.ko
+  v4l2_ctrl_add_handler
+  v4l2_ctrl_radio_filter
+  __media_device_usb_init
+  v4l2_s_ctrl
+  usb_clear_halt
+
+# required by cx231xx-alsa.ko
+  _snd_pcm_stream_lock_irqsave
+  snd_card_free_when_closed
+  snd_pcm_stream_unlock_irqrestore
+
+# required by dvb-core.ko
+  media_create_pad_links
+  media_get_pad_index
+  media_create_intf_link
+  media_devnode_create
+  media_devnode_remove
+  crc32_be
+  eth_header
+  eth_header_parse
+
+# required by si2157.ko
+  media_device_register_entity
+  media_device_unregister_entity
diff --git a/android/abi_gki_aarch64_rtkstb b/android/abi_gki_aarch64_rtkstb
new file mode 100644
index 0000000..0d8b6ce
--- /dev/null
+++ b/android/abi_gki_aarch64_rtkstb
@@ -0,0 +1,558 @@
+[abi_symbol_list]
+# commonly used symbols
+  alloc_chrdev_region
+  __arch_copy_from_user
+  __arch_copy_to_user
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  __arm_smccc_smc
+  cdev_add
+  cdev_del
+  cdev_init
+  __class_create
+  class_destroy
+  clk_disable
+  clk_enable
+  clk_fixed_factor_ops
+  clk_get
+  clk_get_rate
+  __clk_is_enabled
+  clk_prepare
+  clk_put
+  clk_round_rate
+  clk_set_rate
+  clk_unprepare
+  cma_alloc
+  cma_release
+  compat_ptr_ioctl
+  complete
+  __const_udelay
+  cpu_hwcap_keys
+  cpu_hwcaps
+  __cpu_online_mask
+  _dev_err
+  dev_err_probe
+  dev_get_regmap
+  device_create
+  device_destroy
+  device_init_wakeup
+  _dev_info
+  devm_add_action
+  devm_clk_get
+  devm_clk_hw_register
+  devm_ioremap
+  devm_ioremap_resource
+  devm_kfree
+  devm_kmalloc
+  devm_mfd_add_devices
+  devm_pinctrl_get
+  __devm_regmap_init_i2c
+  devm_regulator_get
+  devm_regulator_register
+  devm_request_threaded_irq
+  __devm_reset_control_get
+  devm_reset_controller_register
+  devm_rtc_device_register
+  dev_set_name
+  _dev_warn
+  dma_alloc_attrs
+  dma_buf_export
+  dma_free_attrs
+  dma_heap_add
+  dma_heap_get_drvdata
+  dma_heap_get_name
+  dma_map_sg_attrs
+  dma_sync_sg_for_cpu
+  dma_sync_sg_for_device
+  dma_unmap_sg_attrs
+  find_next_bit
+  find_next_zero_bit
+  free_pages
+  generic_handle_irq
+  gen_pool_add_owner
+  gen_pool_alloc_algo_owner
+  gen_pool_best_fit
+  gen_pool_create
+  gen_pool_free_owner
+  gen_pool_set_algo
+  gic_nonsecure_priorities
+  __hwspin_unlock
+  i2c_del_driver
+  i2c_register_driver
+  idr_alloc
+  idr_destroy
+  idr_find
+  idr_remove
+  __init_swait_queue_head
+  __ioremap
+  iounmap
+  __irq_domain_add
+  irq_find_mapping
+  irq_get_irq_data
+  irq_of_parse_and_map
+  irq_set_chained_handler_and_data
+  irq_set_chip_and_handler_name
+  irq_set_chip_data
+  jiffies
+  jiffies_to_msecs
+  kasan_flag_enabled
+  kasprintf
+  kernel_kobj
+  kfree
+  __kmalloc
+  kmalloc_caches
+  kmem_cache_alloc_trace
+  kstrtouint
+  ktime_get
+  __list_add_valid
+  __list_del_entry_valid
+  __log_post_read_mmio
+  __log_read_mmio
+  __log_write_mmio
+  memcpy
+  memset
+  memstart_addr
+  misc_register
+  module_layout
+  msleep
+  __mutex_init
+  mutex_lock
+  mutex_unlock
+  nvmem_cell_get
+  nvmem_cell_put
+  nvmem_cell_read
+  of_address_to_resource
+  of_clk_add_provider
+  of_clk_del_provider
+  of_clk_get
+  of_clk_src_onecell_get
+  of_clk_src_simple_get
+  of_device_get_match_data
+  of_find_device_by_node
+  of_find_node_opts_by_path
+  of_find_property
+  of_get_child_by_name
+  of_get_next_child
+  of_get_property
+  of_get_regulator_init_data
+  of_hwspin_lock_get_id
+  of_iomap
+  of_match_node
+  of_nvmem_cell_get
+  of_parse_phandle
+  of_property_count_elems_of_size
+  of_property_read_string
+  of_property_read_string_helper
+  of_property_read_u32_index
+  of_property_read_variable_u32_array
+  pinctrl_lookup_state
+  pinctrl_select_state
+  platform_device_register_full
+  platform_device_unregister
+  __platform_driver_register
+  platform_driver_unregister
+  platform_get_irq
+  platform_get_resource
+  __pm_runtime_disable
+  pm_runtime_enable
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+  __pm_runtime_set_status
+  power_supply_register
+  power_supply_unregister
+  printk
+  __put_task_struct
+  _raw_spin_lock
+  _raw_spin_lock_irqsave
+  _raw_spin_unlock
+  _raw_spin_unlock_irqrestore
+  rdev_get_drvdata
+  register_reboot_notifier
+  regmap_read
+  regmap_update_bits_base
+  regmap_write
+  regulator_count_voltages
+  regulator_get_voltage
+  regulator_list_voltage
+  regulator_set_voltage
+  remap_pfn_range
+  reset_control_assert
+  reset_control_deassert
+  reset_control_reset
+  rtc_time64_to_tm
+  rtc_tm_to_time64
+  rtc_update_irq
+  rtc_valid_tm
+  scnprintf
+  seq_printf
+  sg_free_table
+  snprintf
+  soc_device_match
+  sprintf
+  __stack_chk_fail
+  strcmp
+  strlcpy
+  strncmp
+  __sw_hweight64
+  syscon_node_to_regmap
+  syscon_regmap_lookup_by_phandle
+  syscon_regmap_lookup_by_phandle_args
+  sysfs_create_group
+  sysfs_remove_group
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  unregister_chrdev_region
+  usleep_range
+  vabits_actual
+  vfree
+  vmalloc
+  vmap
+  vunmap
+  wait_for_completion
+  __warn_printk
+
+# required by apw8889-regulator.ko
+  regcache_cache_bypass
+
+# required by apw888x-regulator-core.ko
+  devm_regmap_field_alloc
+  rdev_get_dev
+  regmap_field_read
+  regmap_field_update_bits_base
+  regulator_disable_regmap
+  regulator_enable_regmap
+  regulator_get_voltage_sel_regmap
+  regulator_is_enabled_regmap
+  regulator_list_voltage_linear
+  regulator_map_voltage_iterate
+  regulator_map_voltage_linear
+  regulator_set_voltage_sel_regmap
+  strcasecmp
+
+# required by chip.ko
+  soc_device_register
+  soc_device_unregister
+
+# required by clk-det.ko
+  __clk_get_hw
+  clk_hw_register
+  clk_hw_unregister
+  device_node_to_regmap
+  devm_of_clk_add_hw_provider
+  of_clk_add_hw_provider
+  of_clk_hw_onecell_get
+
+# required by clk-rtk.ko
+  clk_hw_get_num_parents
+  clk_hw_get_parent
+  clk_hw_register_composite
+  __clk_mux_determine_rate
+  clk_register
+  clk_register_clkdev
+  hwspin_lock_request_specific
+  __hwspin_lock_timeout
+  of_get_parent
+  reset_controller_register
+
+# required by cma_heap.ko
+  cma_get_name
+  dma_contiguous_default_area
+  sg_alloc_table_from_pages
+
+# required by gpio-rtd.ko
+  gpiochip_add_data_with_key
+  handle_simple_irq
+  irq_create_mapping_affinity
+  irq_domain_simple_ops
+  pinctrl_gpio_free
+  pinctrl_gpio_request
+  pinctrl_gpio_set_config
+
+# required by i2c-rtk.ko
+  devm_gpiod_get_optional
+  i2c_add_numbered_adapter
+  i2c_del_adapter
+  i2c_generic_scl_recovery
+  i2c_parse_fw_timings
+  i2c_recover_bus
+  of_alias_get_id
+  wait_for_completion_timeout
+
+# required by irq-realtek-mux.ko
+  handle_level_irq
+  irq_domain_xlate_onecell
+  irq_modify_status
+  platform_irqchip_probe
+
+# required by optee.ko
+  alloc_pages_exact
+  __alloc_pages_nodemask
+  alloc_workqueue
+  __arm_smccc_hvc
+  bpf_trace_run1
+  bpf_trace_run2
+  bus_for_each_dev
+  completion_done
+  cpu_number
+  destroy_workqueue
+  device_property_read_string
+  device_register
+  device_unregister
+  down_read
+  event_triggers_call
+  find_vma
+  __free_pages
+  free_pages_exact
+  i2c_get_adapter
+  i2c_put_adapter
+  i2c_transfer
+  idr_get_next
+  kimage_voffset
+  ktime_get_real_ts64
+  memremap
+  memunmap
+  msleep_interruptible
+  nr_cpu_ids
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  pfn_valid
+  preempt_schedule_notrace
+  queue_work_on
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  trace_raw_output_prep
+  trace_seq_printf
+  up_read
+  wait_for_completion_interruptible
+
+# required by pinctrl-rtd.ko
+  pinconf_generic_dt_node_to_map
+  pinctrl_dev_get_drvdata
+  pinctrl_register
+  pinctrl_utils_free_map
+
+# required by pwm-rtk.ko
+  kstrtoint
+  pwmchip_add
+  pwmchip_remove
+  sscanf
+
+# required by rtc-rtk.ko
+  devm_clk_get_optional
+  mktime64
+
+# required by rtc-sw.ko
+  add_timer
+  del_timer
+  init_timer_key
+  __msecs_to_jiffies
+
+# required by rtd-rng.ko
+  hwrng_register
+  hwrng_unregister
+
+# required by rtk-gpu_wrap.ko
+  devm_of_platform_populate
+  devm_platform_ioremap_resource_byname
+
+# required by rtk-ir.ko
+  devm_rc_allocate_device
+  devm_rc_register_device
+  devm_reset_control_array_get
+  rc_keydown
+  rc_repeat
+  register_pm_notifier
+
+# required by rtk-thermal.ko
+  of_thermal_get_trip_points
+  of_thermal_is_trip_valid
+  thermal_zone_of_sensor_register
+  thermal_zone_of_sensor_unregister
+
+# required by rtk_bootstatus.ko
+  sysfs_create_link
+
+# required by rtk_cpu_volt_sel.ko
+  bus_register_notifier
+  dev_pm_opp_put_prop_name
+  dev_pm_opp_set_prop_name
+  get_cpu_device
+  platform_bus_type
+
+# required by rtk_gic_extension.ko
+  __cpuhp_remove_state
+  __cpuhp_setup_state
+  cpu_pm_register_notifier
+  cpu_pm_unregister_notifier
+
+# required by rtk_gpc.ko
+  atomic_notifier_chain_register
+  clk_bulk_disable
+  clk_bulk_enable
+  clk_bulk_prepare
+  clk_bulk_unprepare
+  devm_clk_bulk_get_all
+  of_genpd_add_provider_simple
+  panic_notifier_list
+  platform_get_resource_byname
+  pm_genpd_init
+  pm_genpd_remove
+
+# required by rtk_gpio_manager.ko
+  desc_to_gpio
+  gpiod_direction_input
+  gpiod_direction_output
+  gpiod_get_array
+  gpiod_put_array
+
+# required by rtk_hwspinlock.ko
+  devm_hwspin_lock_register
+  devm_platform_get_and_ioremap_resource
+
+# required by rtk_lsadc0.ko
+  devm_iio_device_alloc
+  free_irq
+  iio_device_free
+  __iio_device_register
+  iio_device_unregister
+  iio_get_time_ns
+  iio_push_event
+  request_threaded_irq
+  __reset_control_get
+  reset_control_put
+
+# required by rtk_mcp.ko
+  __check_object_size
+  devm_hwspin_lock_request_specific
+  __get_free_pages
+  __hwspin_trylock
+  system_state
+
+# required by rtk_media_heaps.ko
+  __bitmap_clear
+  __bitmap_complement
+  bitmap_find_next_zero_area_off
+  bitmap_free
+  __bitmap_or
+  __bitmap_set
+  __bitmap_weight
+  bitmap_zalloc
+  class_create_file_ns
+  debugfs_attr_read
+  debugfs_attr_write
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_create_symlink
+  dma_buf_attach
+  dma_buf_detach
+  dma_buf_get
+  dma_buf_map_attachment
+  dma_buf_put
+  dma_buf_unmap_attachment
+  dma_heap_get_dev
+  dma_map_page_attrs
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_single_for_device
+  dma_unmap_page_attrs
+  find_last_bit
+  generic_file_llseek
+  gen_pool_avail
+  gen_pool_size
+  hex_dump_to_buffer
+  list_sort
+  no_llseek
+  of_reserved_mem_lookup
+  print_hex_dump
+  __rcu_read_lock
+  __rcu_read_unlock
+  seq_lseek
+  seq_read
+  sg_alloc_table
+  sg_next
+  simple_attr_open
+  simple_attr_read
+  simple_attr_release
+  simple_attr_write
+  simple_strtoul
+  single_open
+  single_release
+  strlen
+  strncpy
+  __traceiter_android_vh_dmabuf_heap_flags_validation
+  __tracepoint_android_vh_dmabuf_heap_flags_validation
+  tracepoint_probe_register
+
+# required by rtk_memory_remap.ko
+  of_find_compatible_node
+
+# required by rtk_pm_alarm.ko
+  rtc_class_open
+  rtc_read_time
+  rtc_set_time
+  rtc_tm_to_ktime
+
+# required by rtk_pm_hifi.ko
+  regulator_suspend_disable
+  regulator_suspend_enable
+
+# required by rtk_pm_suspend.ko
+  kobject_create_and_add
+  kobject_put
+  kstrtoll
+  memchr
+
+# required by rtk_tee.ko
+  add_uevent_var
+  anon_inode_getfd
+  bus_register
+  bus_unregister
+  cdev_device_add
+  cdev_device_del
+  class_find_device
+  crypto_alloc_shash
+  crypto_destroy_tfm
+  crypto_shash_final
+  crypto_shash_update
+  device_initialize
+  failure_tracking
+  gen_pool_destroy
+  gen_pool_virt_to_phys
+  get_kernel_pages
+  in_egroup_p
+  __page_pinner_put_page
+  pin_user_pages_fast
+  put_device
+  __put_page
+  refcount_warn_saturate
+  unpin_user_pages
+  uuid_null
+
+# required by rtk_tee_mem_api.ko
+  platform_find_device_by_driver
+  raw_notifier_call_chain
+  raw_notifier_chain_register
+  raw_notifier_chain_unregister
+
+# required by rtk_tp.ko
+  misc_deregister
+  of_n_addr_cells
+  __pm_runtime_idle
+  __pm_runtime_resume
+
+# required by rtk_wdt.ko
+  _dev_emerg
+  platform_get_irq_optional
+  unregister_reboot_notifier
+  watchdog_init_timeout
+  watchdog_register_device
+  watchdog_set_restart_priority
+  watchdog_unregister_device
diff --git a/android/abi_gki_aarch64_telechips b/android/abi_gki_aarch64_telechips
new file mode 100644
index 0000000..2ce4a72
--- /dev/null
+++ b/android/abi_gki_aarch64_telechips
@@ -0,0 +1,1544 @@
+[abi_symbol_list]
+# commonly used symbols
+  add_timer
+  add_uevent_var
+  alloc_chrdev_region
+  __alloc_pages_nodemask
+  alloc_workqueue
+  amba_driver_register
+  anon_inode_getfd
+  __arch_copy_from_user
+  __arch_copy_to_user
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  __arm_smccc_hvc
+  __arm_smccc_smc
+  atomic_notifier_chain_register
+  __bitmap_and
+  __bitmap_andnot
+  bpf_trace_run1
+  bpf_trace_run2
+  bpf_trace_run3
+  bpf_trace_run4
+  bpf_trace_run5
+  bus_register_notifier
+  bus_unregister_notifier
+  cache_line_size
+  cancel_work_sync
+  cdev_add
+  cdev_del
+  cdev_device_add
+  cdev_device_del
+  cdev_init
+  __cfi_slowpath
+  __check_object_size
+  __class_create
+  class_destroy
+  class_find_device
+  clear_page
+  clk_disable
+  clk_enable
+  __clk_get_hw
+  clk_get_rate
+  clk_hw_get_flags
+  __clk_is_enabled
+  clk_prepare
+  clk_put
+  clk_register
+  clk_register_clkdev
+  clk_set_rate
+  clk_unprepare
+  clk_unregister
+  complete
+  component_add
+  component_del
+  config_ep_by_speed
+  config_group_init_type_name
+  __const_udelay
+  consume_skb
+  cpu_bit_bitmap
+  cpu_hwcap_keys
+  cpu_hwcaps
+  cpumask_next
+  cpu_number
+  __cpu_online_mask
+  crypto_alloc_shash
+  crypto_destroy_tfm
+  crypto_shash_final
+  crypto_shash_update
+  debugfs_attr_read
+  debugfs_attr_write
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_remove
+  default_llseek
+  delayed_work_timer_fn
+  del_timer
+  del_timer_sync
+  destroy_workqueue
+  dev_driver_string
+  _dev_err
+  dev_fwnode
+  device_create
+  device_create_file
+  device_destroy
+  device_for_each_child
+  device_initialize
+  device_property_present
+  device_property_read_string
+  device_property_read_u32_array
+  device_register
+  device_remove_file
+  device_set_wakeup_capable
+  device_wakeup_enable
+  _dev_info
+  devm_clk_get
+  devm_free_irq
+  devm_gpiod_get_index
+  devm_gpiod_get_optional
+  devm_gpio_request
+  devm_gpio_request_one
+  devm_ioremap
+  devm_ioremap_resource
+  devm_kfree
+  devm_kmalloc
+  devm_kstrdup
+  __devm_of_phy_provider_register
+  devm_phy_create
+  devm_phy_get
+  devm_pinctrl_get
+  devm_pinctrl_put
+  __devm_regmap_init
+  __devm_regmap_init_i2c
+  devm_regulator_get
+  devm_regulator_get_optional
+  devm_regulator_register
+  devm_request_threaded_irq
+  __devm_reset_control_get
+  devm_snd_soc_register_component
+  devm_usb_get_phy_by_phandle
+  dev_pm_opp_of_add_table
+  dev_pm_opp_of_remove_table
+  dev_pm_opp_put
+  devres_add
+  devres_alloc_node
+  devres_free
+  dev_set_name
+  _dev_warn
+  disable_irq
+  dma_alloc_attrs
+  dma_async_device_register
+  dma_async_device_unregister
+  dma_async_tx_descriptor_init
+  dma_buf_attach
+  dma_buf_begin_cpu_access
+  dma_buf_detach
+  dma_buf_end_cpu_access
+  dma_buf_export
+  dma_buf_fd
+  dma_buf_get
+  dma_buf_map_attachment
+  dma_buf_mmap
+  dma_buf_put
+  dma_buf_unmap_attachment
+  dma_fence_add_callback
+  dma_fence_context_alloc
+  dma_fence_default_wait
+  dma_fence_init
+  dma_fence_release
+  dma_fence_signal
+  dma_free_attrs
+  dma_heap_add
+  dma_heap_get_drvdata
+  dma_heap_get_name
+  dmam_alloc_attrs
+  dma_map_page_attrs
+  dma_map_sg_attrs
+  dma_mmap_attrs
+  dma_pool_alloc
+  dma_pool_create
+  dma_pool_destroy
+  dma_pool_free
+  dma_release_channel
+  __dma_request_channel
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_sg_for_cpu
+  dma_sync_sg_for_device
+  dma_sync_single_for_cpu
+  dma_sync_single_for_device
+  dma_unmap_page_attrs
+  dma_unmap_sg_attrs
+  down
+  down_read
+  down_write
+  drm_add_edid_modes
+  drm_atomic_helper_connector_destroy_state
+  drm_atomic_helper_connector_duplicate_state
+  drm_atomic_helper_connector_reset
+  __drm_atomic_helper_crtc_duplicate_state
+  drm_atomic_helper_disable_plane
+  drm_atomic_helper_page_flip
+  drm_atomic_helper_set_config
+  drm_atomic_helper_update_plane
+  drm_compat_ioctl
+  drm_connector_attach_encoder
+  drm_connector_cleanup
+  drm_connector_init
+  drm_connector_unregister
+  drm_connector_update_edid_property
+  drm_crtc_cleanup
+  drm_crtc_send_vblank_event
+  drm_crtc_vblank_get
+  drm_crtc_vblank_off
+  drm_crtc_vblank_on
+  __drm_dbg
+  drm_dev_alloc
+  drm_dev_dbg
+  drm_dev_printk
+  drm_dev_put
+  drm_dev_register
+  drm_dev_unregister
+  drm_display_mode_from_videomode
+  drm_display_mode_to_videomode
+  drm_encoder_cleanup
+  drm_encoder_init
+  __drm_err
+  drm_framebuffer_cleanup
+  drm_framebuffer_init
+  drm_gem_fb_prepare_fb
+  drm_gem_handle_create
+  drm_gem_object_free
+  drm_gem_object_lookup
+  drm_get_format_info
+  drm_helper_mode_fill_fb_struct
+  drm_helper_probe_single_connector_modes
+  drm_ioctl
+  drmm_mode_config_init
+  drm_mode_config_cleanup
+  drm_mode_create
+  drm_mode_destroy
+  drm_mode_probed_add
+  drm_mode_set_name
+  drm_of_find_panel_or_bridge
+  drm_of_find_possible_crtcs
+  drm_open
+  drm_panel_add
+  drm_panel_disable
+  drm_panel_enable
+  drm_panel_get_modes
+  drm_panel_init
+  drm_panel_prepare
+  drm_panel_remove
+  drm_panel_unprepare
+  drm_plane_cleanup
+  drm_poll
+  drm_read
+  drm_release
+  dump_stack
+  enable_irq
+  event_triggers_call
+  failure_tracking
+  fd_install
+  filp_close
+  find_get_pid
+  find_next_bit
+  find_next_zero_bit
+  find_vma
+  finish_wait
+  flush_work
+  flush_workqueue
+  fput
+  free_irq
+  __free_pages
+  free_pages
+  freezing_slow_path
+  fwnode_device_is_available
+  fwnode_handle_put
+  fwnode_property_get_reference_args
+  fwnode_property_present
+  fwnode_property_read_u32_array
+  generic_file_llseek
+  generic_handle_irq
+  gen_pool_add_owner
+  gen_pool_alloc_algo_owner
+  gen_pool_best_fit
+  gen_pool_create
+  gen_pool_destroy
+  gen_pool_free_owner
+  gen_pool_set_algo
+  gen_pool_virt_to_phys
+  get_device
+  get_kernel_pages
+  get_unused_fd_flags
+  get_user_pages
+  gic_nonsecure_priorities
+  gpiochip_get_data
+  gpiod_direction_output_raw
+  gpiod_set_raw_value
+  gpiod_set_raw_value_cansleep
+  gpiod_set_value_cansleep
+  gpio_free
+  gpio_request
+  gpio_request_one
+  gpio_to_desc
+  hrtimer_cancel
+  hrtimer_init
+  hrtimer_start_range_ns
+  i2c_del_driver
+  i2c_get_adapter
+  i2c_put_adapter
+  i2c_register_driver
+  i2c_transfer
+  i2c_transfer_buffer_flags
+  idr_alloc
+  idr_destroy
+  idr_find
+  idr_preload
+  idr_remove
+  __init_rwsem
+  __init_swait_queue_head
+  init_timer_key
+  init_wait_entry
+  __init_waitqueue_head
+  input_allocate_device
+  input_event
+  input_register_device
+  input_unregister_device
+  iomem_resource
+  __ioremap
+  iounmap
+  irq_find_mapping
+  irq_get_irq_data
+  irq_of_parse_and_map
+  irq_set_affinity_hint
+  irq_set_irq_wake
+  irq_to_desc
+  is_vmalloc_addr
+  jiffies
+  jiffies_to_msecs
+  kasan_flag_enabled
+  kasprintf
+  kfree
+  kimage_vaddr
+  kimage_voffset
+  __kmalloc
+  kmalloc_caches
+  kmalloc_order_trace
+  kmem_cache_alloc
+  kmem_cache_alloc_trace
+  kmem_cache_create
+  kmem_cache_destroy
+  kmem_cache_free
+  kobject_create_and_add
+  kobject_put
+  kobject_uevent_env
+  kstrdup
+  kstrndup
+  kstrtoint
+  kstrtouint
+  kstrtoull
+  kthread_create_on_node
+  kthread_flush_worker
+  __kthread_init_worker
+  kthread_queue_work
+  kthread_should_stop
+  kthread_stop
+  kthread_worker_fn
+  ktime_get
+  ktime_get_mono_fast_ns
+  ktime_get_raw_ts64
+  ktime_get_real_ts64
+  ktime_get_ts64
+  kvfree
+  kvmalloc_node
+  __list_add_valid
+  __list_del_entry_valid
+  list_sort
+  __log_post_read_mmio
+  __log_read_mmio
+  __log_write_mmio
+  mbox_chan_received_data
+  mbox_chan_txdone
+  mbox_controller_register
+  mbox_controller_unregister
+  mbox_free_channel
+  mbox_request_channel
+  mbox_request_channel_byname
+  mbox_send_message
+  mdiobus_alloc_size
+  mdiobus_free
+  mdiobus_read
+  mdiobus_unregister
+  mdiobus_write
+  memcpy
+  memdup_user
+  memremap
+  memset
+  __memset_io
+  memstart_addr
+  memunmap
+  misc_deregister
+  misc_register
+  mmc_gpio_get_ro
+  mmc_of_parse
+  mod_timer
+  module_layout
+  module_put
+  __msecs_to_jiffies
+  msleep
+  msleep_interruptible
+  __mutex_init
+  mutex_is_locked
+  mutex_lock
+  mutex_unlock
+  netif_carrier_off
+  netif_carrier_on
+  no_llseek
+  nonseekable_open
+  noop_llseek
+  nr_cpu_ids
+  ns_to_timespec64
+  of_address_to_resource
+  of_alias_get_id
+  of_clk_add_provider
+  of_clk_del_provider
+  of_clk_get
+  of_clk_get_by_name
+  of_clk_get_parent_count
+  of_clk_get_parent_name
+  of_count_phandle_with_args
+  of_device_get_match_data
+  of_device_is_compatible
+  of_dma_controller_register
+  of_find_compatible_node
+  of_find_device_by_node
+  of_find_node_by_name
+  of_find_property
+  of_get_child_by_name
+  of_get_display_timings
+  of_get_named_gpio_flags
+  of_get_next_child
+  of_get_phy_mode
+  of_get_property
+  of_get_videomode
+  of_iomap
+  of_irq_get
+  of_match_device
+  of_match_node
+  of_mdiobus_register
+  of_n_addr_cells
+  of_n_size_cells
+  of_parse_phandle
+  of_phy_simple_xlate
+  of_platform_depopulate
+  of_platform_populate
+  of_property_count_elems_of_size
+  of_property_match_string
+  of_property_read_string
+  of_property_read_string_helper
+  of_property_read_u32_index
+  of_property_read_u64
+  of_property_read_variable_u32_array
+  of_property_read_variable_u8_array
+  of_reserved_mem_lookup
+  __page_pinner_put_page
+  panic_notifier_list
+  param_array_ops
+  param_ops_bool
+  param_ops_int
+  param_ops_uint
+  PDE_DATA
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  pfn_valid
+  phy_init
+  phy_init_eee
+  phy_power_off
+  phy_power_on
+  phy_reset
+  pinctrl_get
+  pinctrl_gpio_direction_input
+  pinctrl_gpio_direction_output
+  pinctrl_lookup_state
+  pinctrl_pm_select_default_state
+  pinctrl_pm_select_sleep_state
+  pinctrl_put
+  pinctrl_select_state
+  pin_user_pages
+  platform_bus_type
+  platform_device_register_full
+  platform_device_unregister
+  __platform_driver_register
+  platform_driver_unregister
+  platform_get_irq
+  platform_get_irq_byname
+  platform_get_resource
+  platform_get_resource_byname
+  __pm_runtime_disable
+  pm_runtime_enable
+  __pm_runtime_idle
+  __pm_runtime_resume
+  pm_runtime_set_autosuspend_delay
+  __pm_runtime_set_status
+  __pm_runtime_suspend
+  __pm_runtime_use_autosuspend
+  preempt_schedule
+  preempt_schedule_notrace
+  prepare_to_wait_event
+  printk
+  proc_create
+  proc_create_data
+  proc_mkdir
+  put_device
+  __put_page
+  put_pid
+  __put_task_struct
+  queue_delayed_work_on
+  queue_work_on
+  ___ratelimit
+  _raw_spin_lock
+  _raw_spin_lock_bh
+  _raw_spin_lock_irq
+  _raw_spin_lock_irqsave
+  _raw_spin_trylock
+  _raw_spin_unlock
+  _raw_spin_unlock_bh
+  _raw_spin_unlock_irq
+  _raw_spin_unlock_irqrestore
+  rb_erase
+  rb_first
+  rb_insert_color
+  rb_next
+  rdev_get_drvdata
+  refcount_warn_saturate
+  __refrigerator
+  regcache_cache_only
+  regcache_mark_dirty
+  regcache_sync
+  __register_chrdev
+  register_chrdev_region
+  register_netdev
+  register_shrinker
+  register_syscore_ops
+  regmap_read
+  regmap_update_bits_base
+  regmap_write
+  regulator_disable
+  regulator_disable_regmap
+  regulator_enable
+  regulator_enable_regmap
+  regulator_get_current_limit_regmap
+  regulator_get_optional
+  regulator_get_voltage_sel_regmap
+  regulator_is_enabled_regmap
+  regulator_list_voltage_linear
+  regulator_map_voltage_linear
+  regulator_put
+  regulator_set_current_limit_regmap
+  regulator_set_voltage
+  regulator_set_voltage_sel_regmap
+  release_firmware
+  __release_region
+  remap_pfn_range
+  remap_vmalloc_range
+  remove_proc_entry
+  request_firmware
+  __request_region
+  request_threaded_irq
+  reset_control_assert
+  reset_control_deassert
+  schedule
+  schedule_timeout
+  scnprintf
+  scsi_device_get
+  scsi_device_put
+  sdhci_add_host
+  sdhci_adma_write_desc
+  sdhci_execute_tuning
+  sdhci_get_property
+  sdhci_pltfm_free
+  sdhci_pltfm_init
+  sdhci_remove_host
+  sdhci_reset
+  sdhci_runtime_resume_host
+  sdhci_runtime_suspend_host
+  sdhci_set_bus_width
+  sdhci_set_clock
+  seq_lseek
+  seq_open
+  seq_printf
+  seq_puts
+  seq_read
+  seq_release
+  seq_write
+  set_freezable
+  set_normalized_timespec64
+  set_page_dirty_lock
+  sg_alloc_table
+  sg_free_table
+  sg_init_one
+  sg_init_table
+  sg_next
+  __sg_page_iter_next
+  __sg_page_iter_start
+  simple_attr_open
+  simple_attr_read
+  simple_attr_release
+  simple_attr_write
+  simple_read_from_buffer
+  simple_strtoul
+  simple_write_to_buffer
+  single_open
+  single_release
+  skb_pull
+  skb_put
+  snd_ctl_boolean_mono_info
+  snd_dma_alloc_pages
+  snd_dma_free_pages
+  snd_pcm_hw_constraint_step
+  snd_pcm_lib_ioctl
+  snd_pcm_period_elapsed
+  snd_soc_component_read
+  snd_soc_component_update_bits
+  snd_soc_dai_active
+  snd_soc_dai_set_bclk_ratio
+  snd_soc_dai_set_clkdiv
+  snd_soc_dai_set_sysclk
+  snd_soc_dapm_get_enum_double
+  snd_soc_dapm_put_enum_double
+  snd_soc_get_enum_double
+  snd_soc_get_pcm_runtime
+  snd_soc_get_volsw
+  snd_soc_info_enum_double
+  snd_soc_info_volsw
+  snd_soc_of_parse_card_name
+  snd_soc_of_parse_daifmt
+  snd_soc_pm_ops
+  snd_soc_put_enum_double
+  snd_soc_put_volsw
+  snd_soc_register_card
+  snd_soc_register_component
+  snd_soc_rtdcom_lookup
+  snd_soc_set_runtime_hwparams
+  snd_soc_unregister_component
+  snprintf
+  sprintf
+  sscanf
+  __stack_chk_fail
+  stpcpy
+  strcasecmp
+  strchr
+  strcmp
+  strlcpy
+  strlen
+  strncmp
+  strncpy
+  strnlen
+  strscpy
+  strsep
+  strstr
+  __sw_hweight32
+  __sw_hweight64
+  sync_file_create
+  sync_file_get_fence
+  synchronize_irq
+  sysfs_create_file_ns
+  sysfs_create_files
+  sysfs_create_group
+  sysfs_create_link
+  sysfs_remove_file_ns
+  sysfs_remove_group
+  sysfs_remove_link
+  system_freezing_cnt
+  system_wq
+  tasklet_init
+  __tasklet_schedule
+  __task_pid_nr_ns
+  trace_define_field
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  __traceiter_gpu_mem_total
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __tracepoint_gpu_mem_total
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  trace_print_symbols_seq
+  trace_raw_output_prep
+  trace_seq_printf
+  try_module_get
+  __ubsan_handle_cfi_check_fail_abort
+  __udelay
+  unmap_mapping_range
+  unpin_user_pages
+  __unregister_chrdev
+  unregister_chrdev_region
+  unregister_netdev
+  unregister_shrinker
+  up
+  up_read
+  up_write
+  usb_add_function
+  usb_add_hcd
+  usb_add_phy_dev
+  usb_calc_bus_time
+  usb_create_hcd
+  usb_debug_root
+  usb_disabled
+  usb_ep_alloc_request
+  usb_ep_autoconfig
+  usb_ep_dequeue
+  usb_ep_disable
+  usb_ep_enable
+  usb_ep_free_request
+  usb_ep_queue
+  usb_function_register
+  usb_function_unregister
+  usb_gstrings_attach
+  usb_hcd_check_unlink_urb
+  usb_hcd_giveback_urb
+  usb_hcd_link_urb_to_ep
+  usb_hcd_resume_root_hub
+  usb_hcds_loaded
+  usb_hcd_unlink_urb_from_ep
+  usb_interface_id
+  usb_put_function_instance
+  usb_put_hcd
+  usb_remove_hcd
+  usb_remove_phy
+  __usecs_to_jiffies
+  usleep_range
+  vabits_actual
+  vfree
+  videomode_from_timings
+  vmalloc
+  vmalloc_user
+  vmap
+  vmf_insert_mixed
+  vm_get_page_prot
+  vunmap
+  vzalloc
+  wait_for_completion
+  wait_for_completion_interruptible
+  wait_for_completion_timeout
+  __wake_up
+  wake_up_process
+  __warn_printk
+
+# required by atmel_mxt_ts.ko
+  gpiod_direction_output
+  gpiod_set_value
+  input_alloc_absinfo
+  input_free_device
+  input_mt_init_slots
+  input_mt_report_pointer_emulation
+  input_mt_report_slot_state
+  input_set_abs_params
+  input_set_capability
+  kmemdup_nul
+  krealloc
+  request_firmware_nowait
+  wait_for_completion_interruptible_timeout
+
+# required by bootstage.ko
+  register_pm_notifier
+  unregister_pm_notifier
+
+# required by clk-tcc.ko
+  clk_hw_get_name
+  clk_hw_get_rate
+  clk_hw_is_enabled
+  clk_hw_unregister
+  devm_clk_hw_register
+  devm_clk_hw_register_clkdev
+  devm_of_clk_add_hw_provider
+  of_clk_parent_fill
+  proc_create_single_data
+  unregister_syscore_ops
+
+# required by cma_heap.ko
+  cma_alloc
+  cma_get_name
+  cma_release
+  dma_contiguous_default_area
+  sg_alloc_table_from_pages
+
+# required by da9062-core.ko
+  mfd_add_devices
+  mfd_remove_devices
+  regmap_del_irq_chip
+  regmap_irq_chip_get_base
+
+# required by da9062-regulator.ko
+  devm_regmap_field_alloc
+  regmap_field_read
+  regmap_field_update_bits_base
+  regulator_mode_to_status
+
+# required by dvb-core.ko
+  alloc_netdev_mqs
+  capable
+  crc32_be
+  down_interruptible
+  ether_setup
+  eth_header
+  eth_header_parse
+  eth_validate_addr
+  free_netdev
+  i2c_unregister_device
+  kmemdup
+  ktime_get_with_offset
+  mutex_lock_interruptible
+  __netdev_alloc_skb
+  netif_rx
+  __printk_ratelimit
+  __request_module
+  skb_push
+  symbol_put_addr
+
+# required by dwc2.ko
+  __bitmap_clear
+  bitmap_find_next_zero_area_off
+  __bitmap_set
+  debugfs_create_regset32
+  devm_clk_get_optional
+  devm_platform_get_and_ioremap_resource
+  devm_regulator_bulk_get
+  devm_usb_get_phy
+  dmam_free_coherent
+  gcd
+  phy_exit
+  platform_device_add
+  platform_device_add_data
+  platform_device_add_resources
+  platform_device_alloc
+  platform_device_put
+  regulator_bulk_disable
+  regulator_bulk_enable
+  usb_add_gadget_udc
+  usb_del_gadget_udc
+  usb_ep_set_maxpacket_limit
+  usb_gadget_giveback_request
+  usb_gadget_map_request
+  usb_gadget_set_state
+  usb_gadget_unmap_request
+  usb_get_dr_mode
+  usb_hcd_map_urb_for_dma
+  usb_hcd_unmap_urb_for_dma
+  usb_hub_clear_tt_buffer
+  usb_phy_set_charger_current
+  usb_role_switch_get_drvdata
+  usb_role_switch_register
+  usb_role_switch_unregister
+  usb_speed_string
+  usb_wakeup_enabled_descendants
+
+# required by dwc3-tcc.ko
+  system_freezable_wq
+
+# required by ehci-tcc.ko
+  ehci_init_driver
+  ehci_resume
+  ehci_suspend
+
+# required by gpio-pca953x.ko
+  __bitmap_replace
+  dev_err_probe
+  device_get_match_data
+  devm_gpiochip_add_data_with_key
+  regcache_sync_region
+  regmap_bulk_read
+  regmap_bulk_write
+
+# required by gpio-regulator.ko
+  devm_kmemdup
+  gpiod_count
+  gpiod_get_optional
+  gpiod_set_consumer_name
+  of_get_regulator_init_data
+
+# required by gpio-tcc.ko
+  gpiochip_add_data_with_key
+  gpiochip_generic_free
+  gpiochip_generic_request
+  gpiochip_remove
+  handle_nested_irq
+  handle_simple_irq
+  irq_modify_status
+  platform_irq_count
+
+# required by hwdmx_drv.ko
+  param_ops_short
+
+# required by i2c-dev.ko
+  i2c_adapter_type
+  i2c_bus_type
+  i2c_for_each_dev
+  i2c_smbus_xfer
+  i2c_verify_client
+
+# required by i2c-tcc-v3.ko
+  i2c_add_numbered_adapter
+  i2c_del_adapter
+  i2c_generic_scl_recovery
+  i2c_recover_bus
+
+# required by mali_arbiter.ko
+  kobject_init_and_add
+
+# required by mali_gpu_assign.ko
+  param_ops_charp
+
+# required by mali_gpu_aw.ko
+  device_attach
+
+# required by mali_gpu_power.ko
+  devfreq_add_device
+  devfreq_recommended_opp
+  devfreq_register_opp_notifier
+  devfreq_remove_device
+  devfreq_unregister_opp_notifier
+  dev_pm_opp_find_freq_floor
+  dev_pm_opp_get_freq
+  dev_pm_opp_get_opp_count
+  dev_pm_opp_get_voltage
+  of_device_is_available
+  of_platform_device_create
+  of_platform_device_destroy
+  regulator_is_enabled
+
+# required by mali_kbase.ko
+  __arch_clear_user
+  __bitmap_weight
+  cancel_delayed_work_sync
+  __ClearPageMovable
+  complete_all
+  debugfs_create_bool
+  _dev_alert
+  dev_pm_opp_find_freq_ceil
+  dev_pm_opp_put_regulators
+  dev_pm_opp_set_regulators
+  dma_fence_get_status
+  dma_fence_remove_callback
+  dma_resv_get_fences_rcu
+  downgrade_write
+  down_trylock
+  __get_free_pages
+  get_user_pages_fast
+  hrtimer_active
+  hrtimer_forward
+  iput
+  kstrtobool_from_user
+  kstrtouint_from_user
+  ktime_get_raw
+  kvfree_call_rcu
+  __lock_page
+  __mmdrop
+  mod_delayed_work_on
+  of_dma_is_coherent
+  of_machine_is_compatible
+  param_ops_byte
+  pid_task
+  pin_user_pages_remote
+  rb_prev
+  rb_replace_node
+  __rcu_read_lock
+  __rcu_read_unlock
+  register_oom_notifier
+  seq_putc
+  __SetPageMovable
+  simple_open
+  static_key_slow_dec
+  static_key_slow_inc
+  strcspn
+  synchronize_rcu
+  sysfs_streq
+  _totalram_pages
+  trace_output_call
+  trace_print_array_seq
+  trace_print_flags_seq
+  unlock_page
+  unpin_user_page
+  unregister_oom_notifier
+  vmf_insert_pfn_prot
+
+# required by mpq7920.ko
+  regulator_set_active_discharge_regmap
+  regulator_set_soft_start_regmap
+
+# required by ohci-hcd.ko
+  gen_pool_dma_alloc_align
+  gen_pool_dma_zalloc_align
+  get_zeroed_page
+  sb800_prefetch
+  schedule_timeout_uninterruptible
+  usb_amd_dev_put
+  usb_amd_quirk_pll_disable
+  usb_amd_quirk_pll_enable
+  usb_hc_died
+  usb_hcd_poll_rh_status
+  usb_root_hub_lost_power
+
+# required by ohci-platform.ko
+  devm_reset_control_array_get
+  usb_hcd_platform_shutdown
+
+# required by ohci-tcc.ko
+  of_usb_host_tpl_support
+
+# required by optee.ko
+  alloc_pages_exact
+  bus_for_each_dev
+  completion_done
+  device_unregister
+  free_pages_exact
+  idr_get_next
+
+# required by pci-dolphin.ko
+  devm_kasprintf
+  dw_pcie_ep_init
+  dw_pcie_ep_raise_msi_irq
+  dw_pcie_ep_raise_msix_irq
+  dw_pcie_host_init
+  dw_pcie_msi_init
+  dw_pcie_read
+  dw_pcie_read_dbi
+  dw_pcie_setup_rc
+  dw_pcie_write
+  dw_pcie_write_dbi
+  phy_set_mode_ext
+
+# required by pinctrl-tcc.ko
+  of_prop_next_string
+  pinctrl_dev_get_drvdata
+  pinctrl_register
+
+# required by pvrsrvkm.ko
+  autoremove_wake_function
+  bpf_trace_run6
+  bpf_trace_run7
+  bpf_trace_run8
+  call_rcu
+  devm_clk_put
+  dma_buf_vmap
+  dma_buf_vunmap
+  dma_fence_array_ops
+  dma_fence_enable_sw_signaling
+  dma_fence_wait_timeout
+  fget
+  find_vpid
+  get_pid_task
+  __get_task_comm
+  idr_for_each
+  idr_replace
+  kill_pid
+  ksize
+  kthread_freezable_should_stop
+  memcmp
+  mutex_trylock
+  prepare_to_wait
+  proc_remove
+  put_unused_fd
+  _raw_read_lock_bh
+  _raw_read_unlock_bh
+  _raw_write_lock_bh
+  _raw_write_unlock_bh
+  rcu_barrier
+  sched_clock
+  seq_vprintf
+  set_user_nice
+  si_meminfo
+  split_page
+  strcpy
+  strlcat
+  trace_set_clr_event
+  vm_insert_page
+  vm_map_ram
+  vm_unmap_ram
+  vsnprintf
+  vsscanf
+
+# required by pwm-tcc.ko
+  pwmchip_add
+  pwmchip_remove
+
+# required by pwrseq_simple.ko
+  bitmap_alloc
+  devm_gpiod_get_array
+  gpiod_set_array_value_cansleep
+  mmc_pwrseq_register
+  mmc_pwrseq_unregister
+
+# required by realtek.ko
+  __genphy_config_aneg
+  genphy_read_abilities
+  genphy_read_mmd_unsupported
+  genphy_read_status
+  genphy_resume
+  genphy_suspend
+  genphy_write_mmd_unsupported
+  __mdiobus_read
+  __mdiobus_write
+  phy_drivers_register
+  phy_drivers_unregister
+  __phy_modify
+  phy_modify
+  phy_modify_paged_changed
+  phy_read_paged
+  phy_restore_page
+  phy_select_page
+  phy_write_paged
+
+# required by reboot-mode.ko
+  devres_release
+  kfree_const
+  kstrdup_const
+  register_reboot_notifier
+  unregister_reboot_notifier
+
+# required by reserved_mem.ko
+  of_get_next_available_child
+
+# required by reset-tcc.ko
+  devm_reset_controller_register
+
+# required by rpmb.ko
+  __class_register
+  class_unregister
+  device_del
+  ida_alloc_range
+  ida_destroy
+  ida_free
+
+# required by rpmb_sim.ko
+  crypto_shash_setkey
+
+# required by rtc-tcc.ko
+  device_init_wakeup
+  devm_rtc_allocate_device
+  __rtc_register_device
+  rtc_time64_to_tm
+  rtc_tm_to_time64
+  rtc_update_irq
+
+# required by sdhci-tcc.ko
+  mmc_detect_change
+  sdhci_set_uhs_signaling
+
+# required by sg.ko
+  __alloc_disk_node
+  blk_execute_rq_nowait
+  blk_get_request
+  blk_put_request
+  blk_rq_map_user
+  blk_rq_map_user_iov
+  blk_rq_unmap_user
+  blk_verify_command
+  cdev_alloc
+  class_interface_unregister
+  fasync_helper
+  get_sg_io_hdr
+  import_iovec
+  kill_fasync
+  __module_get
+  put_disk
+  put_sg_io_hdr
+  _raw_read_lock_irqsave
+  _raw_read_unlock_irqrestore
+  _raw_write_lock_irq
+  _raw_write_lock_irqsave
+  _raw_write_unlock_irq
+  _raw_write_unlock_irqrestore
+  scsi_autopm_get_device
+  scsi_autopm_put_device
+  scsi_block_when_processing_errors
+  scsi_command_size_tbl
+  scsi_compat_ioctl
+  scsi_ioctl
+  scsi_ioctl_block_when_processing_errors
+  scsi_normalize_sense
+  __scsi_print_sense
+  scsi_register_interface
+  sdev_prefix_printk
+  sg_scsi_ioctl
+
+# required by snd-soc-tcc-asrc.ko
+  wait_for_completion_io_timeout
+
+# required by spi-tcc.ko
+  devm_spi_register_controller
+  gpiod_direction_input
+  __spi_alloc_controller
+  spi_controller_resume
+  spi_controller_suspend
+
+# required by spidev.ko
+  driver_unregister
+  __spi_register_driver
+  spi_setup
+  spi_sync
+  stream_open
+
+# required by stmmac-platform.ko
+  device_get_phy_mode
+  devm_platform_ioremap_resource
+  of_get_mac_address
+  of_phy_is_fixed_link
+  platform_get_irq_byname_optional
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+
+# required by stmmac.ko
+  crc32_le
+  debugfs_rename
+  dev_close
+  device_set_wakeup_enable
+  __dev_kfree_skb_any
+  devm_alloc_etherdev_mqs
+  dev_open
+  dql_completed
+  dql_reset
+  eth_mac_addr
+  ethtool_convert_legacy_u32_to_link_mode
+  ethtool_convert_link_mode_to_legacy_u32
+  ethtool_op_get_link
+  ethtool_op_get_ts_info
+  eth_type_trans
+  flow_block_cb_setup_simple
+  flow_rule_match_basic
+  flow_rule_match_ipv4_addrs
+  flow_rule_match_ports
+  get_random_bytes
+  jiffies_to_usecs
+  mdiobus_get_phy
+  __napi_alloc_skb
+  napi_complete_done
+  napi_disable
+  napi_gro_receive
+  __napi_schedule
+  __napi_schedule_irqoff
+  napi_schedule_prep
+  netdev_alert
+  netdev_err
+  netdev_info
+  netdev_pick_tx
+  netdev_rss_key_fill
+  netdev_update_features
+  netdev_warn
+  netif_device_attach
+  netif_device_detach
+  netif_napi_add
+  __netif_napi_del
+  netif_schedule_queue
+  netif_set_real_num_rx_queues
+  netif_set_real_num_tx_queues
+  netif_tx_wake_queue
+  page_pool_alloc_pages
+  page_pool_create
+  page_pool_destroy
+  page_pool_put_page
+  page_pool_release_page
+  phy_attached_info
+  phylink_connect_phy
+  phylink_create
+  phylink_destroy
+  phylink_disconnect_phy
+  phylink_ethtool_get_eee
+  phylink_ethtool_get_pauseparam
+  phylink_ethtool_get_wol
+  phylink_ethtool_ksettings_get
+  phylink_ethtool_ksettings_set
+  phylink_ethtool_nway_reset
+  phylink_ethtool_set_eee
+  phylink_ethtool_set_pauseparam
+  phylink_ethtool_set_wol
+  phylink_get_eee_err
+  phylink_mac_change
+  phylink_mii_ioctl
+  phylink_of_phy_connect
+  phylink_set_port_modes
+  phylink_speed_down
+  phylink_speed_up
+  phylink_start
+  phylink_stop
+  pm_wakeup_dev_event
+  register_netdevice_notifier
+  reset_control_reset
+  rtnl_lock
+  rtnl_unlock
+  skb_add_rx_frag
+  skb_tstamp_tx
+  synchronize_net
+  unregister_netdevice_notifier
+
+# required by switch_reverse.ko
+  gpiod_get_raw_value
+
+# required by system_heap.ko
+  deferred_free
+  dmabuf_page_pool_alloc
+  dmabuf_page_pool_create
+  dmabuf_page_pool_destroy
+  dmabuf_page_pool_free
+  dma_heap_get_dev
+
+# required by tcc-amba-pl011.ko
+  amba_driver_unregister
+  dma_get_slave_caps
+  dma_request_chan
+  do_SAK
+  handle_sysrq
+  nr_irqs
+  oops_in_progress
+  sysrq_mask
+  tty_flip_buffer_push
+  tty_insert_flip_string_fixed_flag
+  tty_termios_encode_baud_rate
+  uart_add_one_port
+  uart_console_device
+  uart_console_write
+  uart_get_baud_rate
+  uart_handle_cts_change
+  uart_handle_dcd_change
+  uart_insert_char
+  uart_parse_earlycon
+  uart_parse_options
+  uart_register_driver
+  uart_remove_one_port
+  uart_resume_port
+  uart_set_options
+  uart_suspend_port
+  uart_try_toggle_sysrq
+  uart_unregister_driver
+  uart_update_timeout
+  uart_write_wakeup
+
+# required by tcc-amba-pl08x.ko
+  amba_release_regions
+  amba_request_regions
+  dmaengine_unmap_put
+  dma_get_slave_channel
+  vchan_dma_desc_free_list
+  vchan_find_desc
+  vchan_init
+  vchan_tx_desc_free
+  vchan_tx_submit
+
+# required by tcc-dma.ko
+  of_dma_controller_free
+  tasklet_kill
+
+# required by tcc-reboot-mode.ko
+  atomic_notifier_chain_unregister
+
+# required by tcc-rng.ko
+  hwrng_register
+  hwrng_unregister
+
+# required by tcc-snd-card.ko
+  snd_soc_dai_set_fmt
+  snd_soc_dai_set_tdm_slot
+  snd_soc_unregister_card
+
+# required by tcc_adc.ko
+  devm_iio_device_alloc
+  iio_device_free
+  __iio_device_register
+  iio_device_unregister
+  __ndelay
+
+# required by tcc_adma_pcm.ko
+  snd_pcm_hw_constraint_list
+  snd_pcm_hw_constraint_pow2
+  snd_pcm_lib_preallocate_free_for_all
+  snd_pcm_lib_preallocate_pages_for_all
+
+# required by tcc_cbus_wdt.ko
+  devm_watchdog_register_device
+  watchdog_init_timeout
+  watchdog_unregister_device
+
+# required by tcc_drm_dp.ko
+  drm_helper_hpd_irq_event
+  drm_object_attach_property
+  drm_property_create_enum
+
+# required by tcc_drm_vioc.ko
+  drm_atomic_helper_check_plane_state
+  __drm_atomic_helper_crtc_reset
+  drm_mode_object_get
+  drm_mode_vrefresh
+
+# required by tcc_mem.ko
+  of_get_address
+  of_translate_address
+
+# required by tcc_pmi.ko
+  add_wait_queue
+  default_wake_function
+  hex_dump_to_buffer
+  remove_wait_queue
+
+# required by tcc_sc_mmc.ko
+  mmc_add_host
+  mmc_alloc_host
+  mmc_request_done
+  sg_copy_from_buffer
+  sg_copy_to_buffer
+
+# required by tcc_sc_ufs.ko
+  async_schedule_node
+  blk_queue_max_segment_size
+  __scsi_add_device
+  scsi_add_host_with_dma
+  scsi_change_queue_depth
+  __scsi_execute
+  scsi_host_alloc
+  scsi_remove_device
+  scsi_scan_host
+
+# required by tcc_sec_ipc.ko
+  mbox_client_txdone
+
+# required by tcc_tsens_module.ko
+  devm_thermal_zone_of_sensor_register
+  devm_thermal_zone_of_sensor_unregister
+
+# required by tcc_v4l2_vout.ko
+  v4l2_device_register
+  v4l2_device_unregister
+  video_devdata
+  video_device_alloc
+  video_device_release
+  video_ioctl2
+  __video_register_device
+  video_unregister_device
+
+# required by tcc_viqe_interface.ko
+  memmove
+
+# required by tcc_wdma.ko
+  iov_iter_init
+  vfs_fsync
+
+# required by tccdrm.ko
+  bus_find_device
+  component_bind_all
+  component_master_add_with_match
+  component_master_del
+  component_match_add_release
+  component_unbind_all
+  dma_get_sgtable_attrs
+  dma_resv_test_signaled_rcu
+  dma_resv_wait_timeout_rcu
+  drm_atomic_helper_check
+  drm_atomic_helper_cleanup_planes
+  drm_atomic_helper_commit
+  drm_atomic_helper_commit_hw_done
+  drm_atomic_helper_commit_modeset_disables
+  drm_atomic_helper_commit_modeset_enables
+  drm_atomic_helper_commit_planes
+  drm_atomic_helper_crtc_reset
+  drm_atomic_helper_fake_vblank
+  drm_crtc_vblank_count
+  drm_crtc_vblank_put
+  drm_gem_create_mmap_offset
+  drm_gem_dmabuf_export
+  drm_gem_dmabuf_release
+  drm_gem_dumb_map_offset
+  drm_gem_mmap
+  drm_gem_mmap_obj
+  drm_gem_object_init
+  drm_gem_object_release
+  drm_gem_prime_fd_to_handle
+  drm_gem_prime_handle_to_fd
+  drm_gem_prime_import_dev
+  drm_gem_vm_close
+  drm_gem_vm_open
+  drm_kms_helper_poll_fini
+  drm_kms_helper_poll_init
+  drm_mode_config_helper_resume
+  drm_mode_config_helper_suspend
+  drm_mode_config_reset
+  drm_prime_gem_destroy
+  drm_prime_pages_to_sg
+  drm_prime_sg_to_page_addr_arrays
+  drm_vblank_init
+  platform_find_device_by_driver
+
+# required by tccdrm_common.ko
+  __drm_atomic_helper_crtc_destroy_state
+  __drm_atomic_helper_plane_destroy_state
+  __drm_atomic_helper_plane_duplicate_state
+  __drm_atomic_helper_plane_reset
+  drm_connector_list_iter_begin
+  drm_connector_list_iter_end
+  drm_connector_list_iter_next
+  drm_crtc_handle_vblank
+  drm_crtc_init_with_planes
+  drm_handle_vblank
+  drm_mode_object_find
+  drm_universal_plane_init
+
+# required by tee.ko
+  bus_register
+  bus_unregister
+  compat_ptr_ioctl
+  in_egroup_p
+  pin_user_pages_fast
+  uuid_null
+
+# required by timer.ko
+  of_irq_parse_one
+  of_prop_next_u32
+
+# required by touch_bridge.ko
+  input_close_device
+  input_open_device
+  input_register_handle
+  input_register_handler
+  input_unregister_handle
+  input_unregister_handler
+
+# required by v4l2-fwnode.ko
+  fwnode_get_next_parent
+  fwnode_get_parent
+  fwnode_graph_get_next_endpoint
+  fwnode_graph_get_port_parent
+  fwnode_graph_get_remote_endpoint
+  fwnode_graph_get_remote_port_parent
+  fwnode_graph_parse_endpoint
+  fwnode_property_read_u64_array
+  of_fwnode_ops
+  of_node_name_eq
+  v4l2_async_notifier_add_fwnode_subdev
+  v4l2_async_notifier_add_subdev
+  v4l2_async_notifier_cleanup
+  v4l2_async_notifier_init
+  v4l2_async_notifier_unregister
+  v4l2_async_register_subdev
+  v4l2_async_subdev_notifier_register
+
+# required by videobuf-core.ko
+  __wake_up_sync
+
+# required by videobuf-dma-sg.ko
+  unpin_user_pages_dirty_lock
+  vmalloc_to_page
+
+# required by vpu.ko
+  devm_iounmap
+  kernel_kobj
+  kobject_del
+  __memcpy_fromio
+  __memcpy_toio
+  __of_reset_control_get
+  platform_device_register
+  reset_control_put
diff --git a/android/abi_gki_aarch64_type_visibility b/android/abi_gki_aarch64_type_visibility
new file mode 100644
index 0000000..8a98e59
--- /dev/null
+++ b/android/abi_gki_aarch64_type_visibility
@@ -0,0 +1,5 @@
+[abi_symbol_list]
+
+# for type visibility
+  GKI_struct_blk_mq_alloc_data
+  GKI_struct_cgroup_taskset
diff --git a/android/abi_gki_aarch64_virtual_device b/android/abi_gki_aarch64_virtual_device
new file mode 100644
index 0000000..16355081
--- /dev/null
+++ b/android/abi_gki_aarch64_virtual_device
@@ -0,0 +1,1289 @@
+[abi_symbol_list]
+# commonly used symbols
+  __alloc_disk_node
+  alloc_etherdev_mqs
+  alloc_netdev_mqs
+  __alloc_pages_nodemask
+  __alloc_skb
+  alloc_workqueue
+  amba_driver_register
+  amba_driver_unregister
+  __arch_copy_from_user
+  __arch_copy_to_user
+  arm64_const_caps_ready
+  arm64_use_ng_mappings
+  bcmp
+  blk_cleanup_queue
+  blk_queue_flag_set
+  blk_queue_io_min
+  blk_queue_io_opt
+  blk_queue_logical_block_size
+  blk_queue_max_discard_sectors
+  blk_queue_max_write_zeroes_sectors
+  blk_queue_physical_block_size
+  bpf_trace_run2
+  bpf_trace_run3
+  bt_err
+  bt_info
+  bt_warn
+  cancel_delayed_work_sync
+  cancel_work_sync
+  __cfi_slowpath
+  __check_object_size
+  __class_create
+  class_destroy
+  clk_disable
+  clk_enable
+  clk_get_rate
+  clk_prepare
+  clk_unprepare
+  complete
+  __const_udelay
+  consume_skb
+  __cpuhp_remove_state
+  __cpuhp_setup_state
+  __cpuhp_state_add_instance
+  __cpuhp_state_remove_instance
+  cpu_hwcap_keys
+  cpu_hwcaps
+  cpumask_next
+  cpu_number
+  __cpu_online_mask
+  crypto_register_alg
+  crypto_register_scomp
+  crypto_unregister_alg
+  crypto_unregister_scomp
+  debugfs_create_dir
+  debugfs_create_file
+  debugfs_remove
+  delayed_work_timer_fn
+  del_gendisk
+  del_timer
+  destroy_workqueue
+  dev_close
+  _dev_err
+  device_add_disk
+  device_create
+  device_init_wakeup
+  device_release_driver
+  device_unregister
+  _dev_info
+  __dev_kfree_skb_any
+  __dev_kfree_skb_irq
+  devm_ioremap
+  devm_ioremap_resource
+  devm_kfree
+  devm_kmalloc
+  devm_request_threaded_irq
+  _dev_notice
+  dev_queue_xmit
+  _dev_warn
+  dma_alloc_attrs
+  dma_buf_export
+  dma_fence_context_alloc
+  dma_fence_init
+  dma_fence_release
+  dma_fence_signal_locked
+  dma_free_attrs
+  dma_map_sg_attrs
+  dma_set_coherent_mask
+  dma_set_mask
+  dma_sync_sg_for_device
+  dma_unmap_sg_attrs
+  down_write
+  ether_setup
+  ethtool_op_get_link
+  eth_validate_addr
+  event_triggers_call
+  failure_tracking
+  fd_install
+  finish_wait
+  flush_work
+  flush_workqueue
+  fput
+  free_irq
+  free_netdev
+  __free_pages
+  free_pages
+  get_device
+  __get_free_pages
+  get_random_bytes
+  get_unused_fd_flags
+  gic_nonsecure_priorities
+  hci_alloc_dev
+  __hci_cmd_sync
+  hci_free_dev
+  hci_recv_frame
+  hci_register_dev
+  hci_unregister_dev
+  ida_alloc_range
+  ida_free
+  __init_swait_queue_head
+  init_timer_key
+  init_wait_entry
+  __init_waitqueue_head
+  input_alloc_absinfo
+  input_allocate_device
+  input_event
+  input_free_device
+  input_mt_init_slots
+  input_register_device
+  input_set_abs_params
+  input_unregister_device
+  __ioremap
+  iounmap
+  jiffies
+  jiffies_to_msecs
+  kasan_flag_enabled
+  kfree
+  kfree_skb
+  kimage_voffset
+  __kmalloc
+  kmalloc_caches
+  kmem_cache_alloc
+  kmem_cache_alloc_trace
+  kmem_cache_create
+  kmem_cache_destroy
+  kmem_cache_free
+  kmemdup
+  kobject_uevent
+  kstrdup
+  kstrndup
+  kstrtoint
+  kstrtouint
+  ktime_get
+  ktime_get_mono_fast_ns
+  ktime_get_raw_ts64
+  ktime_get_real_ts64
+  ktime_get_ts64
+  ktime_get_with_offset
+  kvfree
+  kvmalloc_node
+  __list_add_valid
+  __list_del_entry_valid
+  __local_bh_enable_ip
+  __log_post_read_mmio
+  __log_read_mmio
+  __log_write_mmio
+  lzo1x_decompress_safe
+  memcpy
+  memmove
+  memparse
+  memset
+  memstart_addr
+  misc_deregister
+  misc_register
+  module_layout
+  module_put
+  __msecs_to_jiffies
+  msleep
+  __mutex_init
+  mutex_lock
+  mutex_lock_interruptible
+  mutex_unlock
+  __netdev_alloc_skb
+  netdev_err
+  netdev_info
+  netdev_rx_handler_register
+  netdev_rx_handler_unregister
+  netdev_upper_dev_unlink
+  netdev_warn
+  netif_carrier_off
+  netif_carrier_on
+  netif_device_detach
+  netif_rx
+  netif_rx_ni
+  netif_tx_stop_all_queues
+  netif_tx_wake_queue
+  nf_conntrack_destroy
+  no_llseek
+  nonseekable_open
+  nr_cpu_ids
+  __num_online_cpus
+  of_property_read_variable_u32_array
+  __page_pinner_put_page
+  param_ops_bool
+  param_ops_int
+  param_ops_uint
+  passthru_features_check
+  pci_disable_device
+  pci_enable_device
+  pci_read_config_byte
+  pci_read_config_dword
+  __pci_register_driver
+  pci_release_region
+  pci_request_region
+  pci_set_master
+  pci_unregister_driver
+  __per_cpu_offset
+  perf_trace_buf_alloc
+  perf_trace_run_bpf_submit
+  platform_device_add
+  platform_device_alloc
+  platform_device_del
+  platform_device_put
+  platform_device_unregister
+  __platform_driver_register
+  platform_driver_unregister
+  platform_get_irq
+  platform_get_resource
+  pm_runtime_allow
+  pm_runtime_force_resume
+  pm_runtime_force_suspend
+  __pm_runtime_resume
+  pm_runtime_set_autosuspend_delay
+  __pm_runtime_suspend
+  __pm_runtime_use_autosuspend
+  pm_wakeup_dev_event
+  preempt_schedule
+  preempt_schedule_notrace
+  prepare_to_wait_event
+  printk
+  put_device
+  put_disk
+  __put_page
+  __put_task_struct
+  put_unused_fd
+  queue_delayed_work_on
+  queue_work_on
+  ___ratelimit
+  _raw_spin_lock
+  _raw_spin_lock_bh
+  _raw_spin_lock_irq
+  _raw_spin_lock_irqsave
+  _raw_spin_unlock
+  _raw_spin_unlock_bh
+  _raw_spin_unlock_irq
+  _raw_spin_unlock_irqrestore
+  __rcu_read_lock
+  __rcu_read_unlock
+  refcount_warn_saturate
+  register_blkdev
+  register_netdev
+  register_netdevice
+  register_netdevice_notifier
+  register_virtio_device
+  register_virtio_driver
+  regmap_exit
+  __regmap_init
+  regmap_read
+  regmap_write
+  release_firmware
+  remap_pfn_range
+  request_firmware
+  request_threaded_irq
+  revalidate_disk_size
+  rtnl_link_register
+  rtnl_link_unregister
+  rtnl_lock
+  rtnl_unlock
+  schedule
+  schedule_timeout
+  scnprintf
+  seq_printf
+  serio_close
+  serio_interrupt
+  serio_open
+  serio_reconnect
+  __serio_register_driver
+  __serio_register_port
+  serio_unregister_driver
+  sg_alloc_table
+  sg_free_table
+  sg_init_one
+  sg_init_table
+  sg_next
+  skb_add_rx_frag
+  skb_clone
+  skb_dequeue
+  skb_pull
+  skb_push
+  skb_put
+  skb_queue_tail
+  snd_card_free
+  snd_card_new
+  snd_card_register
+  snd_ctl_sync_vmaster
+  snd_device_new
+  snd_jack_new
+  snd_jack_report
+  snd_pci_quirk_lookup
+  snd_pcm_add_chmap_ctls
+  snd_pcm_hw_constraint_integer
+  snd_pcm_new
+  snd_pcm_period_elapsed
+  snd_pcm_set_managed_buffer_all
+  snd_pcm_set_ops
+  snprintf
+  sort
+  sprintf
+  sscanf
+  __stack_chk_fail
+  strchr
+  strcmp
+  strcpy
+  strlcpy
+  strlen
+  strncmp
+  strncpy
+  strscpy
+  sync_file_create
+  synchronize_rcu
+  sysfs_create_group
+  __sysfs_match_string
+  sysfs_remove_group
+  system_wq
+  trace_event_buffer_commit
+  trace_event_buffer_reserve
+  trace_event_ignore_this_pid
+  trace_event_raw_init
+  trace_event_reg
+  trace_handle_return
+  __traceiter_rwmmio_post_read
+  __traceiter_rwmmio_read
+  __traceiter_rwmmio_write
+  __tracepoint_rwmmio_post_read
+  __tracepoint_rwmmio_read
+  __tracepoint_rwmmio_write
+  trace_raw_output_prep
+  trace_seq_printf
+  __udelay
+  unlock_page
+  unregister_blkdev
+  unregister_netdev
+  unregister_netdevice_notifier
+  unregister_netdevice_queue
+  unregister_virtio_device
+  unregister_virtio_driver
+  up_write
+  usb_alloc_urb
+  usb_anchor_urb
+  usb_control_msg
+  usb_deregister
+  usb_free_urb
+  usb_kill_anchored_urbs
+  usb_register_driver
+  usb_submit_urb
+  usb_unanchor_urb
+  usleep_range
+  vabits_actual
+  vfree
+  virtio_check_driver_offered_feature
+  virtio_config_changed
+  virtqueue_add_inbuf
+  virtqueue_add_outbuf
+  virtqueue_add_sgs
+  virtqueue_detach_unused_buf
+  virtqueue_disable_cb
+  virtqueue_enable_cb
+  virtqueue_get_avail_addr
+  virtqueue_get_buf
+  virtqueue_get_desc_addr
+  virtqueue_get_used_addr
+  virtqueue_get_vring_size
+  virtqueue_is_broken
+  virtqueue_kick
+  virtqueue_kick_prepare
+  virtqueue_notify
+  vmalloc_to_page
+  vring_create_virtqueue
+  vring_del_virtqueue
+  vring_interrupt
+  vring_transport_features
+  wait_for_completion
+  __wake_up
+  __warn_printk
+
+# required by ambakmi.ko
+  amba_release_regions
+  amba_request_regions
+  clk_get
+  clk_put
+  serio_unregister_port
+
+# required by armmmci.ko
+  clk_round_rate
+  clk_set_rate
+  devm_clk_get
+  devm_of_iomap
+  devm_pinctrl_get
+  __devm_reset_control_get
+  dmam_alloc_attrs
+  dma_release_channel
+  dma_request_chan
+  mmc_add_host
+  mmc_alloc_host
+  mmc_free_host
+  mmc_gpiod_request_cd
+  mmc_gpiod_request_ro
+  mmc_gpio_get_cd
+  mmc_gpio_get_ro
+  mmc_of_parse
+  mmc_regulator_get_supply
+  mmc_regulator_set_ocr
+  mmc_regulator_set_vqmmc
+  mmc_remove_host
+  mmc_request_done
+  mmc_send_tuning
+  of_get_property
+  pinctrl_lookup_state
+  pinctrl_pm_select_sleep_state
+  pinctrl_select_default_state
+  pinctrl_select_state
+  __pm_runtime_idle
+  regulator_disable
+  regulator_enable
+  reset_control_assert
+  reset_control_deassert
+  sg_miter_next
+  sg_miter_start
+  sg_miter_stop
+
+# required by btintel.ko
+  bt_to_errno
+  hci_cmd_sync
+  request_firmware_direct
+
+# required by btusb.ko
+  bit_wait_timeout
+  btbcm_set_bdaddr
+  btbcm_setup_apple
+  btbcm_setup_patchram
+  device_wakeup_disable
+  disable_irq
+  disable_irq_nosync
+  enable_irq
+  gpiod_get_optional
+  gpiod_put
+  gpiod_set_value_cansleep
+  __hci_cmd_sync_ev
+  hci_recv_diag
+  irq_modify_status
+  irq_set_irq_wake
+  of_irq_get_byname
+  of_match_device
+  of_property_read_variable_u16_array
+  out_of_line_wait_on_bit_timeout
+  pm_system_wakeup
+  usb_autopm_get_interface
+  usb_autopm_put_interface
+  usb_bulk_msg
+  usb_driver_claim_interface
+  usb_driver_release_interface
+  usb_enable_autosuspend
+  usb_get_from_anchor
+  usb_ifnum_to_if
+  usb_match_id
+  usb_queue_reset_device
+  usb_scuttle_anchored_urbs
+  usb_set_interface
+  wake_up_bit
+
+# required by clk-vexpress-osc.ko
+  clk_hw_set_rate_range
+  devm_clk_hw_register
+  devm_of_clk_add_hw_provider
+  of_clk_hw_simple_get
+  of_property_read_string
+
+# required by dummy-cpufreq.ko
+  cpufreq_generic_attr
+  cpufreq_register_driver
+  cpufreq_unregister_driver
+
+# required by failover.ko
+  netdev_master_upper_dev_link
+  rtnl_is_locked
+
+# required by goldfish_address_space.ko
+  memremap
+  memunmap
+
+# required by goldfish_battery.ko
+  power_supply_changed
+  power_supply_get_drvdata
+  power_supply_register
+  power_supply_unregister
+
+# required by goldfish_pipe.ko
+  get_user_pages_fast
+  set_page_dirty
+  tasklet_init
+  tasklet_kill
+  __tasklet_schedule
+
+# required by goldfish_sync.ko
+  dma_fence_default_wait
+  dma_fence_free
+
+# required by gs_usb.ko
+  alloc_candev_mqs
+  alloc_can_err_skb
+  alloc_can_skb
+  can_change_mtu
+  can_free_echo_skb
+  can_get_echo_skb
+  can_put_echo_skb
+  close_candev
+  free_candev
+  open_candev
+  register_candev
+  unregister_candev
+  usb_alloc_coherent
+  usb_free_coherent
+
+# required by hci_vhci.ko
+  _copy_from_iter_full
+  skb_queue_head
+  skb_queue_purge
+
+# required by lzo-rle.ko
+  lzorle1x_1_compress
+
+# required by lzo.ko
+  lzo1x_1_compress
+
+# required by mac80211_hwsim.ko
+  __cfg80211_alloc_event_skb
+  __cfg80211_alloc_reply_skb
+  __cfg80211_send_event_skb
+  cfg80211_vendor_cmd_reply
+  debugfs_attr_read
+  debugfs_attr_write
+  dev_alloc_name
+  device_bind_driver
+  dst_release
+  eth_mac_addr
+  genlmsg_put
+  genl_notify
+  genl_register_family
+  genl_unregister_family
+  hrtimer_cancel
+  hrtimer_forward
+  hrtimer_init
+  hrtimer_start_range_ns
+  ieee80211_alloc_hw_nm
+  ieee80211_beacon_cntdwn_is_complete
+  ieee80211_beacon_get_tim
+  ieee80211_csa_finish
+  ieee80211_free_hw
+  ieee80211_free_txskb
+  ieee80211_get_buffered_bc
+  ieee80211_get_tx_rates
+  ieee80211_iterate_active_interfaces_atomic
+  ieee80211_probereq_get
+  ieee80211_queue_delayed_work
+  ieee80211_radar_detected
+  ieee80211_ready_on_channel
+  ieee80211_register_hw
+  ieee80211_remain_on_channel_expired
+  ieee80211_rx_irqsafe
+  ieee80211_scan_completed
+  ieee80211_stop_queues
+  ieee80211_stop_tx_ba_cb_irqsafe
+  ieee80211_tx_prepare_skb
+  ieee80211_tx_status_irqsafe
+  ieee80211_unregister_hw
+  ieee80211_wake_queues
+  init_net
+  netlink_broadcast
+  netlink_register_notifier
+  netlink_unicast
+  netlink_unregister_notifier
+  net_namespace_list
+  nla_memcpy
+  __nla_parse
+  nla_put_64bit
+  nla_put
+  param_ops_ushort
+  register_pernet_device
+  regulatory_hint
+  rhashtable_destroy
+  rhashtable_init
+  rhashtable_insert_slow
+  __rht_bucket_nested
+  rht_bucket_nested
+  rht_bucket_nested_insert
+  schedule_timeout_interruptible
+  simple_attr_open
+  simple_attr_release
+  skb_copy
+  skb_copy_expand
+  __skb_ext_put
+  skb_trim
+  skb_unlink
+  unregister_pernet_device
+  wiphy_apply_custom_regulatory
+
+# required by nd_virtio.ko
+  bio_alloc_bioset
+  bio_chain
+  bio_clone_blkg_association
+  fs_bio_set
+  submit_bio
+
+# required by net_failover.ko
+  call_netdevice_notifiers
+  dev_get_stats
+  dev_mc_sync_multiple
+  dev_mc_unsync
+  dev_open
+  dev_set_mtu
+  dev_uc_sync_multiple
+  dev_uc_unsync
+  __ethtool_get_link_ksettings
+  netdev_change_features
+  netdev_increment_features
+  netdev_lower_state_changed
+  netdev_pick_tx
+  pci_bus_type
+  vlan_uses_dev
+  vlan_vid_add
+  vlan_vid_del
+  vlan_vids_add_by_dev
+  vlan_vids_del_by_dev
+
+# required by open-dice.ko
+  devm_memremap
+  devm_memunmap
+  of_reserved_mem_lookup
+  __platform_driver_probe
+  simple_read_from_buffer
+  vm_iomap_memory
+
+# required by psmouse.ko
+  bus_register_notifier
+  bus_unregister_notifier
+  del_timer_sync
+  device_add_groups
+  device_create_file
+  device_remove_file
+  device_remove_groups
+  i2c_adapter_type
+  i2c_bus_type
+  i2c_client_type
+  i2c_for_each_dev
+  i2c_new_scanned_device
+  i2c_unregister_device
+  i2c_verify_adapter
+  input_mt_assign_slots
+  input_mt_drop_unused
+  input_mt_report_finger_count
+  input_mt_report_pointer_emulation
+  input_mt_report_slot_state
+  input_mt_sync_frame
+  input_set_capability
+  kstrtobool
+  kstrtou8
+  mod_timer
+  ps2_begin_command
+  ps2_cmd_aborted
+  ps2_command
+  ps2_drain
+  ps2_end_command
+  ps2_handle_ack
+  ps2_handle_response
+  ps2_init
+  ps2_sendbyte
+  ps2_sliced_command
+  serio_rescan
+  serio_unregister_child_port
+  strcasecmp
+  strsep
+
+# required by pulse8-cec.ko
+  cec_allocate_adapter
+  cec_delete_adapter
+  cec_received_msg_ts
+  cec_register_adapter
+  cec_s_log_addrs
+  cec_s_phys_addr
+  cec_transmit_attempt_done_ts
+  cec_unregister_adapter
+  wait_for_completion_timeout
+
+# required by rtc-test.ko
+  add_timer
+  devm_rtc_allocate_device
+  ktime_get_real_seconds
+  __rtc_register_device
+  rtc_time64_to_tm
+  rtc_tm_to_time64
+  rtc_update_irq
+
+# required by slcan.ko
+  capable
+  hex_asc_upper
+  hex_to_bin
+  msleep_interruptible
+  tty_hangup
+  tty_mode_ioctl
+  tty_register_ldisc
+  tty_unregister_ldisc
+
+# required by snd-hda-codec-generic.ko
+  _ctype
+  snd_ctl_boolean_stereo_info
+  strlcat
+  __sw_hweight32
+
+# required by snd-hda-codec.ko
+  bpf_trace_run4
+  current_work
+  device_attach
+  driver_register
+  driver_unregister
+  get_device_system_crosststamp
+  kvasprintf
+  ns_to_timespec64
+  __pm_runtime_disable
+  pm_runtime_enable
+  pm_runtime_forbid
+  __printk_ratelimit
+  regcache_mark_dirty
+  __request_module
+  snd_card_rw_proc_new
+  snd_component_add
+  snd_ctl_add
+  _snd_ctl_add_follower
+  snd_ctl_add_vmaster_hook
+  snd_ctl_apply_vmaster_followers
+  snd_ctl_boolean_mono_info
+  snd_ctl_enum_info
+  snd_ctl_find_id
+  snd_ctl_make_virtual_master
+  snd_ctl_new1
+  snd_ctl_remove
+  snd_device_disconnect
+  snd_device_free
+  snd_jack_set_key
+  snd_pcm_hw_constraint_minmax
+  snd_pcm_hw_constraint_step
+  snd_pcm_hw_limit_rates
+  snd_pcm_lib_default_mmap
+  snd_pcm_set_sync
+  snd_pcm_std_chmaps
+  strncat
+  timecounter_read
+  try_module_get
+
+# required by snd-hda-core.ko
+  add_uevent_var
+  bus_register
+  bus_unregister
+  device_add
+  device_del
+  device_initialize
+  dev_set_name
+  kasprintf
+  kobject_add
+  kobject_create_and_add
+  kobject_init
+  kobject_put
+  krealloc
+  pm_runtime_get_if_active
+  __pm_runtime_set_status
+  prepare_to_wait
+  regcache_cache_only
+  regcache_sync
+  regmap_update_bits_base
+  snd_dma_alloc_pages
+  snd_dma_free_pages
+  snd_pcm_format_width
+  __sw_hweight64
+  timecounter_init
+
+# required by snd-hda-intel.ko
+  bpf_trace_run1
+  complete_all
+  param_array_ops
+  param_get_int
+  param_ops_bint
+  param_ops_charp
+  param_set_int
+  pci_dev_put
+  pci_disable_msi
+  pci_enable_msi
+  pci_get_device
+  pci_intx
+  pci_ioremap_bar
+  pci_match_id
+  pci_read_config_word
+  pci_release_regions
+  pci_request_regions
+  pci_set_power_state
+  pci_write_config_byte
+  pci_write_config_dword
+  pci_write_config_word
+  snd_card_disconnect
+
+# required by system_heap.ko
+  deferred_free
+  dmabuf_page_pool_alloc
+  dmabuf_page_pool_create
+  dmabuf_page_pool_destroy
+  dmabuf_page_pool_free
+  dma_heap_add
+  dma_heap_get_dev
+  dma_heap_get_name
+  dma_sync_sg_for_cpu
+  __sg_page_iter_next
+  __sg_page_iter_start
+  vmalloc
+  vmap
+  vunmap
+
+# required by usbip-core.ko
+  iov_iter_kvec
+  param_ops_ulong
+  print_hex_dump
+  sock_recvmsg
+
+# required by vcan.ko
+  sock_efree
+
+# required by vexpress-config.ko
+  devres_add
+  devres_alloc_node
+  devres_free
+  of_device_is_compatible
+  of_find_compatible_node
+  of_find_property
+  of_get_next_parent
+  of_parse_phandle
+  of_platform_populate
+  of_root
+  __usecs_to_jiffies
+
+# required by vexpress-sysreg.ko
+  bgpio_init
+  devm_gpiochip_add_data_with_key
+  devm_mfd_add_devices
+
+# required by vhci-hcd.ko
+  kernel_sendmsg
+  kernel_sock_shutdown
+  kstrtoll
+  kthread_create_on_node
+  kthread_should_stop
+  kthread_stop
+  platform_bus
+  platform_device_add_data
+  sockfd_lookup
+  sysfs_remove_link
+  usb_add_hcd
+  usb_create_hcd
+  usb_create_shared_hcd
+  usb_disabled
+  usb_get_dev
+  usb_hcd_check_unlink_urb
+  usb_hcd_giveback_urb
+  usb_hcd_is_primary_hcd
+  usb_hcd_link_urb_to_ep
+  usb_hcd_poll_rh_status
+  usb_hcd_resume_root_hub
+  usb_hcd_unlink_urb_from_ep
+  usb_put_dev
+  usb_put_hcd
+  usb_remove_hcd
+  usb_speed_string
+  wake_up_process
+
+# required by virt_wifi.ko
+  cfg80211_connect_done
+  cfg80211_disconnected
+  cfg80211_inform_bss_data
+  cfg80211_put_bss
+  cfg80211_scan_done
+  __dev_get_by_index
+  dev_printk
+  __module_get
+  netdev_upper_dev_link
+  netif_stacked_transfer_operstate
+  unregister_netdevice_many
+  wiphy_free
+  wiphy_new_nm
+  wiphy_register
+  wiphy_unregister
+
+# required by virtio-gpu.ko
+  __devm_request_region
+  dma_fence_match_context
+  dma_fence_wait_timeout
+  dma_resv_add_excl_fence
+  dma_resv_test_signaled_rcu
+  dma_resv_wait_timeout_rcu
+  drm_add_edid_modes
+  drm_add_modes_noedid
+  drm_atomic_get_crtc_state
+  drm_atomic_helper_check
+  drm_atomic_helper_check_plane_state
+  drm_atomic_helper_commit
+  drm_atomic_helper_connector_destroy_state
+  drm_atomic_helper_connector_duplicate_state
+  drm_atomic_helper_connector_reset
+  drm_atomic_helper_crtc_destroy_state
+  drm_atomic_helper_crtc_duplicate_state
+  drm_atomic_helper_crtc_reset
+  drm_atomic_helper_damage_merged
+  drm_atomic_helper_dirtyfb
+  drm_atomic_helper_disable_plane
+  drm_atomic_helper_page_flip
+  drm_atomic_helper_plane_destroy_state
+  drm_atomic_helper_plane_duplicate_state
+  drm_atomic_helper_plane_reset
+  drm_atomic_helper_set_config
+  drm_atomic_helper_shutdown
+  drm_atomic_helper_update_plane
+  drm_compat_ioctl
+  drm_connector_attach_edid_property
+  drm_connector_attach_encoder
+  drm_connector_cleanup
+  drm_connector_init
+  drm_connector_register
+  drm_connector_unregister
+  drm_connector_update_edid_property
+  drm_crtc_cleanup
+  drm_crtc_init_with_planes
+  drm_cvt_mode
+  __drm_dbg
+  drm_debugfs_create_files
+  drm_dev_alloc
+  drm_dev_enter
+  drm_dev_exit
+  drm_dev_get
+  drm_dev_printk
+  drm_dev_put
+  drm_dev_register
+  drm_dev_set_unique
+  drm_dev_unplug
+  drm_do_get_edid
+  __drm_err
+  drm_framebuffer_init
+  drm_gem_create_mmap_offset
+  drm_gem_dmabuf_mmap
+  drm_gem_dmabuf_release
+  drm_gem_dmabuf_vmap
+  drm_gem_dmabuf_vunmap
+  drm_gem_fb_create_handle
+  drm_gem_fb_destroy
+  drm_gem_free_mmap_offset
+  drm_gem_handle_create
+  drm_gem_lock_reservations
+  drm_gem_map_attach
+  drm_gem_map_detach
+  drm_gem_map_dma_buf
+  drm_gem_mmap
+  drm_gem_object_free
+  drm_gem_object_lookup
+  drm_gem_object_release
+  drm_gem_prime_fd_to_handle
+  drm_gem_prime_handle_to_fd
+  drm_gem_prime_import
+  drm_gem_prime_mmap
+  drm_gem_private_object_init
+  drm_gem_shmem_create
+  drm_gem_shmem_free_object
+  drm_gem_shmem_get_sg_table
+  drm_gem_shmem_mmap
+  drm_gem_shmem_pin
+  drm_gem_shmem_print_info
+  drm_gem_shmem_unpin
+  drm_gem_shmem_vmap
+  drm_gem_shmem_vunmap
+  drm_gem_unlock_reservations
+  drm_gem_unmap_dma_buf
+  drm_gem_vm_close
+  drm_gem_vm_open
+  drm_helper_hpd_irq_event
+  drm_helper_mode_fill_fb_struct
+  drm_helper_probe_single_connector_modes
+  drm_ioctl
+  drm_kms_helper_hotplug_event
+  drm_mm_init
+  drm_mm_insert_node_in_range
+  drmm_mode_config_init
+  drm_mm_print
+  drm_mm_remove_node
+  drm_mm_takedown
+  drm_mode_config_reset
+  drm_mode_probed_add
+  drm_open
+  drm_plane_cleanup
+  drm_poll
+  __drm_printfn_seq_file
+  __drm_puts_seq_file
+  drm_read
+  drm_release
+  drm_set_preferred_mode
+  drm_simple_encoder_init
+  drm_universal_plane_init
+  __get_task_comm
+  iomem_resource
+  is_vmalloc_addr
+  kmalloc_order_trace
+  memdup_user
+  noop_llseek
+  seq_puts
+  sync_file_get_fence
+  __traceiter_dma_fence_emit
+  __traceiter_gpu_mem_total
+  __tracepoint_dma_fence_emit
+  __tracepoint_gpu_mem_total
+  vmemdup_user
+  vm_get_page_prot
+  ww_mutex_lock_interruptible
+  ww_mutex_unlock
+
+# required by virtio-rng.ko
+  hwrng_register
+  hwrng_unregister
+  wait_for_completion_killable
+
+# required by virtio_blk.ko
+  blk_execute_rq
+  blk_get_request
+  blk_mq_alloc_tag_set
+  blk_mq_complete_request
+  blk_mq_end_request
+  blk_mq_free_tag_set
+  blk_mq_init_queue
+  blk_mq_quiesce_queue
+  blk_mq_start_request
+  blk_mq_start_stopped_hw_queues
+  blk_mq_stop_hw_queue
+  blk_mq_unquiesce_queue
+  blk_mq_virtio_map_queues
+  blk_put_request
+  blk_queue_alignment_offset
+  blk_queue_max_discard_segments
+  blk_queue_max_hw_sectors
+  blk_queue_max_segments
+  blk_queue_max_segment_size
+  blk_queue_write_cache
+  blk_rq_map_kern
+  __blk_rq_map_sg
+  blk_status_to_errno
+  set_capacity_revalidate_and_notify
+  set_disk_ro
+  string_get_size
+  virtio_max_dma_size
+
+# required by virtio_console.ko
+  cdev_add
+  cdev_alloc
+  cdev_del
+  device_destroy
+  fasync_helper
+  freezing_slow_path
+  hvc_alloc
+  hvc_instantiate
+  hvc_kick
+  hvc_poll
+  hvc_remove
+  __hvc_resize
+  kill_fasync
+  pipe_lock
+  pipe_unlock
+  __refrigerator
+  __register_chrdev
+  seq_lseek
+  seq_read
+  single_open
+  single_release
+  __splice_from_pipe
+  system_freezing_cnt
+  __unregister_chrdev
+
+# required by virtio_mmio.ko
+  device_for_each_child
+  device_register
+  devm_platform_ioremap_resource
+  platform_device_register_full
+
+# required by virtio_net.ko
+  bpf_dispatcher_xdp_func
+  bpf_prog_add
+  bpf_prog_put
+  bpf_prog_sub
+  bpf_stats_enabled_key
+  bpf_warn_invalid_xdp_action
+  build_skb
+  cpumask_next_wrap
+  cpus_read_lock
+  cpus_read_unlock
+  eth_commit_mac_addr_change
+  eth_prepare_mac_addr_change
+  ethtool_op_get_ts_info
+  ethtool_virtdev_set_link_ksettings
+  eth_type_trans
+  flow_keys_basic_dissector
+  __napi_alloc_skb
+  napi_complete_done
+  napi_consume_skb
+  napi_disable
+  napi_gro_receive
+  __napi_schedule
+  napi_schedule_prep
+  netdev_notify_peers
+  netif_device_attach
+  netif_napi_add
+  __netif_napi_del
+  netif_schedule_queue
+  netif_set_real_num_rx_queues
+  netif_set_real_num_tx_queues
+  __netif_set_xps_queue
+  net_ratelimit
+  __pskb_pull_tail
+  _raw_spin_trylock
+  sched_clock
+  skb_coalesce_rx_frag
+  __skb_flow_dissect
+  skb_page_frag_refill
+  skb_partial_csum_set
+  skb_to_sgvec
+  skb_tstamp_tx
+  softnet_data
+  synchronize_net
+  __traceiter_xdp_exception
+  __tracepoint_xdp_exception
+  virtqueue_add_inbuf_ctx
+  virtqueue_enable_cb_delayed
+  virtqueue_enable_cb_prepare
+  virtqueue_get_buf_ctx
+  virtqueue_poll
+  xdp_convert_zc_to_xdp_frame
+  xdp_do_flush
+  xdp_do_redirect
+  xdp_return_frame
+  xdp_return_frame_rx_napi
+  xdp_rxq_info_reg
+  xdp_rxq_info_reg_mem_model
+  xdp_rxq_info_unreg
+  xdp_warn
+
+# required by virtio_pci.ko
+  irq_set_affinity_hint
+  pci_alloc_irq_vectors_affinity
+  pci_device_is_present
+  pci_disable_sriov
+  pci_enable_sriov
+  pci_find_capability
+  pci_find_ext_capability
+  pci_find_next_capability
+  pci_free_irq_vectors
+  pci_iomap
+  pci_iomap_range
+  pci_irq_get_affinity
+  pci_irq_vector
+  pci_release_selected_regions
+  pci_request_selected_regions
+  pci_vfs_assigned
+  synchronize_irq
+  virtio_break_device
+  virtio_device_freeze
+  virtio_device_restore
+
+# required by virtio_pmem.ko
+  nvdimm_bus_register
+  nvdimm_bus_unregister
+  nvdimm_pmem_region_create
+
+# required by virtio_snd.ko
+  snd_pcm_format_physical_width
+  snd_pcm_lib_ioctl
+  wait_for_completion_interruptible_timeout
+
+# required by vmw_vsock_virtio_transport.ko
+  virtio_transport_connect
+  virtio_transport_deliver_tap_pkt
+  virtio_transport_destruct
+  virtio_transport_dgram_allow
+  virtio_transport_dgram_bind
+  virtio_transport_dgram_dequeue
+  virtio_transport_dgram_enqueue
+  virtio_transport_do_socket_init
+  virtio_transport_free_pkt
+  virtio_transport_notify_buffer_size
+  virtio_transport_notify_poll_in
+  virtio_transport_notify_poll_out
+  virtio_transport_notify_recv_init
+  virtio_transport_notify_recv_post_dequeue
+  virtio_transport_notify_recv_pre_block
+  virtio_transport_notify_recv_pre_dequeue
+  virtio_transport_notify_send_init
+  virtio_transport_notify_send_post_enqueue
+  virtio_transport_notify_send_pre_block
+  virtio_transport_notify_send_pre_enqueue
+  virtio_transport_recv_pkt
+  virtio_transport_release
+  virtio_transport_shutdown
+  virtio_transport_stream_allow
+  virtio_transport_stream_dequeue
+  virtio_transport_stream_enqueue
+  virtio_transport_stream_has_data
+  virtio_transport_stream_has_space
+  virtio_transport_stream_is_active
+  virtio_transport_stream_rcvhiwat
+  vsock_core_register
+  vsock_core_unregister
+  vsock_for_each_connected_socket
+
+# required by zram.ko
+  __alloc_percpu
+  bdget_disk
+  bdput
+  bio_endio
+  blk_alloc_queue
+  blk_queue_flag_clear
+  __class_register
+  class_unregister
+  __cpu_possible_mask
+  crypto_alloc_base
+  crypto_comp_compress
+  crypto_comp_decompress
+  crypto_destroy_tfm
+  crypto_has_alg
+  disk_end_io_acct
+  disk_start_io_acct
+  down_read
+  flush_dcache_page
+  free_percpu
+  fsync_bdev
+  idr_alloc
+  idr_destroy
+  idr_find
+  idr_for_each
+  idr_remove
+  __init_rwsem
+  kstrtou16
+  kstrtoull
+  memset64
+  mutex_is_locked
+  page_endio
+  sysfs_streq
+  up_read
+  vzalloc
+
+# required by zsmalloc.ko
+  alloc_anon_inode
+  __ClearPageMovable
+  contig_page_data
+  dec_zone_page_state
+  inc_zone_page_state
+  init_pseudo
+  iput
+  kern_mount
+  kern_unmount
+  kill_anon_super
+  __lock_page
+  page_mapping
+  _raw_read_lock
+  _raw_read_unlock
+  _raw_write_lock
+  _raw_write_unlock
+  register_shrinker
+  __SetPageMovable
+  wait_on_page_bit
+  unregister_shrinker
+
diff --git a/android/abi_gki_modules_exports b/android/abi_gki_modules_exports
new file mode 100644
index 0000000..88b5a4b
--- /dev/null
+++ b/android/abi_gki_modules_exports
@@ -0,0 +1 @@
+[abi_symbol_list]
diff --git a/android/abi_gki_modules_protected b/android/abi_gki_modules_protected
new file mode 100644
index 0000000..88b5a4b
--- /dev/null
+++ b/android/abi_gki_modules_protected
@@ -0,0 +1 @@
+[abi_symbol_list]
diff --git a/android/gki_aarch64_fips140_modules b/android/gki_aarch64_fips140_modules
new file mode 100644
index 0000000..01d4fcc
--- /dev/null
+++ b/android/gki_aarch64_fips140_modules
@@ -0,0 +1 @@
+crypto/fips140.ko
diff --git a/android/gki_aarch64_modules b/android/gki_aarch64_modules
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/android/gki_aarch64_modules
diff --git a/android/gki_system_dlkm_modules b/android/gki_system_dlkm_modules
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/android/gki_system_dlkm_modules
diff --git a/arch/Kconfig b/arch/Kconfig
index 240277d..b8687a0 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -617,6 +617,117 @@
 	  reading and writing arbitrary memory may be able to locate them
 	  and hijack control flow by modifying the stacks.
 
+config LTO
+	bool
+	help
+	  Selected if the kernel will be built using the compiler's LTO feature.
+
+config LTO_CLANG
+	bool
+	select LTO
+	help
+	  Selected if the kernel will be built using Clang's LTO feature.
+
+config ARCH_SUPPORTS_LTO_CLANG
+	bool
+	help
+	  An architecture should select this option if it supports:
+	  - compiling with Clang,
+	  - compiling inline assembly with Clang's integrated assembler,
+	  - and linking with LLD.
+
+config ARCH_SUPPORTS_LTO_CLANG_THIN
+	bool
+	help
+	  An architecture should select this option if it can support Clang's
+	  ThinLTO mode.
+
+config HAS_LTO_CLANG
+	def_bool y
+	# Clang >= 11: https://github.com/ClangBuiltLinux/linux/issues/510
+	depends on CC_IS_CLANG && CLANG_VERSION >= 110000 && LD_IS_LLD && AS_IS_LLVM
+	depends on $(success,$(NM) --help | head -n 1 | grep -qi llvm)
+	depends on $(success,$(AR) --help | head -n 1 | grep -qi llvm)
+	depends on ARCH_SUPPORTS_LTO_CLANG
+	depends on !FTRACE_MCOUNT_USE_RECORDMCOUNT
+	depends on !KASAN || KASAN_HW_TAGS
+	depends on !GCOV_KERNEL
+	help
+	  The compiler and Kconfig options support building with Clang's
+	  LTO.
+
+choice
+	prompt "Link Time Optimization (LTO)"
+	default LTO_NONE
+	help
+	  This option enables Link Time Optimization (LTO), which allows the
+	  compiler to optimize binaries globally.
+
+	  If unsure, select LTO_NONE. Note that LTO is very resource-intensive
+	  so it's disabled by default.
+
+config LTO_NONE
+	bool "None"
+	help
+	  Build the kernel normally, without Link Time Optimization (LTO).
+
+config LTO_CLANG_FULL
+	bool "Clang Full LTO (EXPERIMENTAL)"
+	depends on HAS_LTO_CLANG
+	depends on !COMPILE_TEST
+	select LTO_CLANG
+	help
+          This option enables Clang's full Link Time Optimization (LTO), which
+          allows the compiler to optimize the kernel globally. If you enable
+          this option, the compiler generates LLVM bitcode instead of ELF
+          object files, and the actual compilation from bitcode happens at
+          the LTO link step, which may take several minutes depending on the
+          kernel configuration. More information can be found from LLVM's
+          documentation:
+
+	    https://llvm.org/docs/LinkTimeOptimization.html
+
+	  During link time, this option can use a large amount of RAM, and
+	  may take much longer than the ThinLTO option.
+
+config LTO_CLANG_THIN
+	bool "Clang ThinLTO (EXPERIMENTAL)"
+	depends on HAS_LTO_CLANG && ARCH_SUPPORTS_LTO_CLANG_THIN
+	select LTO_CLANG
+	help
+	  This option enables Clang's ThinLTO, which allows for parallel
+	  optimization and faster incremental compiles compared to the
+	  CONFIG_LTO_CLANG_FULL option. More information can be found
+	  from Clang's documentation:
+
+	    https://clang.llvm.org/docs/ThinLTO.html
+
+	  If unsure, say Y.
+endchoice
+
+config CFI_CLANG
+	bool "Use Clang's Control Flow Integrity (CFI)"
+	depends on LTO_CLANG && KALLSYMS
+	help
+	  This option enables Clang's Control Flow Integrity (CFI), which adds
+	  runtime checking for indirect function calls.
+
+config CFI_CLANG_SHADOW
+	bool "Use CFI shadow to speed up cross-module checks"
+	default y
+	depends on CFI_CLANG && MODULES
+	help
+	  If you select this option, the kernel builds a fast look-up table of
+	  CFI check functions in loaded modules to reduce overhead.
+
+config CFI_PERMISSIVE
+	bool "Use CFI in permissive mode"
+	depends on CFI_CLANG
+	help
+	  When selected, Control Flow Integrity (CFI) violations result in a
+	  warning instead of a kernel panic. This option is useful for finding
+	  CFI violations during development.
+
 config HAVE_ARCH_WITHIN_STACK_FRAMES
 	bool
 	help
@@ -667,6 +778,13 @@
 	  Archs need to ensure they use a high enough resolution clock to
 	  support irq time accounting and then call enable_sched_clock_irqtime().
 
+config HAVE_MOVE_PUD
+	bool
+	help
+	  Architectures that select this are able to move page tables at the
+	  PUD level. If there are only 3 page table levels, the move effectively
+	  happens at the PGD level.
+
 config HAVE_MOVE_PMD
 	bool
 	help
@@ -933,16 +1051,16 @@
 	default y
 	bool "Use a virtually-mapped stack"
 	depends on HAVE_ARCH_VMAP_STACK
-	depends on !KASAN || KASAN_VMALLOC
+	depends on !KASAN || KASAN_HW_TAGS || KASAN_VMALLOC
 	help
 	  Enable this if you want the use virtually-mapped kernel stacks
 	  with guard pages.  This causes kernel stack overflows to be
 	  caught immediately rather than causing difficult-to-diagnose
 	  corruption.
 
-	  To use this with KASAN, the architecture must support backing
-	  virtual mappings with real shadow memory, and KASAN_VMALLOC must
-	  be enabled.
+	  To use this with software KASAN modes, the architecture must support
+	  backing virtual mappings with real shadow memory, and KASAN_VMALLOC
+	  must be enabled.
 
 config ARCH_OPTIONAL_KERNEL_RWX
 	def_bool n
@@ -1065,6 +1183,14 @@
 	   If a 32-bit architecture requires 64-bit arguments to be split into
 	   pairs of 32-bit arguments, select this option.
 
+config ARCH_HAS_NONLEAF_PMD_YOUNG
+	bool
+	help
+	  Architectures that select this option are capable of setting the
+	  accessed bit in non-leaf PMD entries when using them as part of linear
+	  address translations. Page table walkers that clear the accessed bit
+	  may use this capability to reduce their search space.
+
 source "kernel/gcov/Kconfig"
 
 source "scripts/gcc-plugins/Kconfig"
diff --git a/arch/alpha/include/asm/page.h b/arch/alpha/include/asm/page.h
index e241bd8..fe80d19 100644
--- a/arch/alpha/include/asm/page.h
+++ b/arch/alpha/include/asm/page.h
@@ -17,9 +17,9 @@
 extern void clear_page(void *page);
 #define clear_user_page(page, vaddr, pg)	clear_page(page)
 
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
-	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vmaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+	alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vmaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
 
 extern void copy_page(void * _to, void * _from);
 #define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
diff --git a/arch/alpha/include/uapi/asm/signal.h b/arch/alpha/include/uapi/asm/signal.h
index 74c750b..a69dd8d 100644
--- a/arch/alpha/include/uapi/asm/signal.h
+++ b/arch/alpha/include/uapi/asm/signal.h
@@ -60,20 +60,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	_NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-
 #define SA_ONSTACK	0x00000001
 #define SA_RESTART	0x00000002
 #define SA_NOCLDSTOP	0x00000004
diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h
index de6c4df..d033d3f 100644
--- a/arch/alpha/include/uapi/asm/socket.h
+++ b/arch/alpha/include/uapi/asm/socket.h
@@ -124,6 +124,8 @@
 
 #define SO_DETACH_REUSEPORT_BPF 68
 
+#define SO_NETNS_COOKIE		71
+
 #if !defined(__KERNEL__)
 
 #if __BITS_PER_LONG == 64
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index ee7b01b..95b996b 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -480,3 +480,5 @@
 548	common	pidfd_getfd			sys_pidfd_getfd
 549	common	faccessat2			sys_faccessat2
 550	common	process_madvise			sys_process_madvise
+# 557 reserved for memfd_secret
+558	common	process_mrelease		sys_process_mrelease
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 335308a..be8ca20 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -52,6 +52,7 @@
 	select GENERIC_ATOMIC64 if CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI
 	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 	select GENERIC_IRQ_IPI if SMP
+	select ARCH_WANTS_IRQ_RAW if GENERIC_IRQ_IPI
 	select GENERIC_CPU_AUTOPROBE
 	select GENERIC_EARLY_IOREMAP
 	select GENERIC_IDLE_POLL_SETUP
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 175213d..37c3036 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -76,10 +76,10 @@
 CPPFLAGS_vmlinux.lds += -DMALLOC_SIZE="$(MALLOC_SIZE)"
 
 compress-$(CONFIG_KERNEL_GZIP) = gzip
-compress-$(CONFIG_KERNEL_LZO)  = lzo
-compress-$(CONFIG_KERNEL_LZMA) = lzma
-compress-$(CONFIG_KERNEL_XZ)   = xzkern
-compress-$(CONFIG_KERNEL_LZ4)  = lz4
+compress-$(CONFIG_KERNEL_LZO)  = lzo_with_size
+compress-$(CONFIG_KERNEL_LZMA) = lzma_with_size
+compress-$(CONFIG_KERNEL_XZ)   = xzkern_with_size
+compress-$(CONFIG_KERNEL_LZ4)  = lz4_with_size
 
 libfdt_objs := fdt_rw.o fdt_ro.o fdt_wip.o fdt.o
 
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 7a38c63..da236cf 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -165,6 +165,13 @@
 		orr	\res, \res, \tmp1, lsl #24
 		.endm
 
+		.macro	be32tocpu, val, tmp
+#ifndef __ARMEB__
+		/* convert to little endian */
+		rev_l	\val, \tmp
+#endif
+		.endm
+
 		.section ".start", "ax"
 /*
  * sort out different calling conventions
@@ -346,13 +353,7 @@
 
 		/* Get the initial DTB size */
 		ldr	r5, [r6, #4]
-#ifndef __ARMEB__
-		/* convert to little endian */
-		eor	r1, r5, r5, ror #16
-		bic	r1, r1, #0x00ff0000
-		mov	r5, r5, ror #8
-		eor	r5, r5, r1, lsr #8
-#endif
+		be32tocpu r5, r1
 		dbgadtb	r6, r5
 		/* 50% DTB growth should be good enough */
 		add	r5, r5, r5, lsr #1
@@ -404,13 +405,7 @@
 
 		/* Get the current DTB size */
 		ldr	r5, [r6, #4]
-#ifndef __ARMEB__
-		/* convert r5 (dtb size) to little endian */
-		eor	r1, r5, r5, ror #16
-		bic	r1, r1, #0x00ff0000
-		mov	r5, r5, ror #8
-		eor	r5, r5, r1, lsr #8
-#endif
+		be32tocpu r5, r1
 
 		/* preserve 64-bit alignment */
 		add	r5, r5, #7
diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig
index c46c055..e4dba54 100644
--- a/arch/arm/crypto/Kconfig
+++ b/arch/arm/crypto/Kconfig
@@ -62,6 +62,25 @@
 	  SHA-512 secure hash standard (DFIPS 180-2) implemented
 	  using optimized ARM assembler and NEON, when available.
 
+config CRYPTO_BLAKE2S_ARM
+	tristate "BLAKE2s digest algorithm (ARM)"
+	select CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+	help
+	  BLAKE2s digest algorithm optimized with ARM scalar instructions.  This
+	  is faster than the generic implementations of BLAKE2s and BLAKE2b, but
+	  slower than the NEON implementation of BLAKE2b.  (There is no NEON
+	  implementation of BLAKE2s, since NEON doesn't really help with it.)
+
+config CRYPTO_BLAKE2B_NEON
+	tristate "BLAKE2b digest algorithm (ARM NEON)"
+	depends on KERNEL_MODE_NEON
+	select CRYPTO_BLAKE2B
+	help
+	  BLAKE2b digest algorithm optimized with ARM NEON instructions.
+	  On ARM processors that have NEON support but not the ARMv8
+	  Crypto Extensions, typically this BLAKE2b implementation is
+	  much faster than SHA-2 and slightly faster than SHA-1.
+
 config CRYPTO_AES_ARM
 	tristate "Scalar AES cipher for ARM"
 	select CRYPTO_ALGAPI
diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
index b745c17..1615597 100644
--- a/arch/arm/crypto/Makefile
+++ b/arch/arm/crypto/Makefile
@@ -9,6 +9,9 @@
 obj-$(CONFIG_CRYPTO_SHA1_ARM_NEON) += sha1-arm-neon.o
 obj-$(CONFIG_CRYPTO_SHA256_ARM) += sha256-arm.o
 obj-$(CONFIG_CRYPTO_SHA512_ARM) += sha512-arm.o
+obj-$(CONFIG_CRYPTO_BLAKE2S_ARM) += blake2s-arm.o
+obj-$(if $(CONFIG_CRYPTO_BLAKE2S_ARM),y) += libblake2s-arm.o
+obj-$(CONFIG_CRYPTO_BLAKE2B_NEON) += blake2b-neon.o
 obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o
 obj-$(CONFIG_CRYPTO_POLY1305_ARM) += poly1305-arm.o
 obj-$(CONFIG_CRYPTO_NHPOLY1305_NEON) += nhpoly1305-neon.o
@@ -29,6 +32,9 @@
 sha256-arm-y	:= sha256-core.o sha256_glue.o $(sha256-arm-neon-y)
 sha512-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha512-neon-glue.o
 sha512-arm-y	:= sha512-core.o sha512-glue.o $(sha512-arm-neon-y)
+blake2s-arm-y   := blake2s-shash.o
+libblake2s-arm-y:= blake2s-core.o blake2s-glue.o
+blake2b-neon-y  := blake2b-neon-core.o blake2b-neon-glue.o
 sha1-arm-ce-y	:= sha1-ce-core.o sha1-ce-glue.o
 sha2-arm-ce-y	:= sha2-ce-core.o sha2-ce-glue.o
 aes-arm-ce-y	:= aes-ce-core.o aes-ce-glue.o
diff --git a/arch/arm/crypto/aes-neonbs-glue.c b/arch/arm/crypto/aes-neonbs-glue.c
index f70af1d..5c6cd3c 100644
--- a/arch/arm/crypto/aes-neonbs-glue.c
+++ b/arch/arm/crypto/aes-neonbs-glue.c
@@ -9,6 +9,7 @@
 #include <asm/simd.h>
 #include <crypto/aes.h>
 #include <crypto/ctr.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/simd.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/scatterwalk.h>
@@ -23,6 +24,8 @@
 MODULE_ALIAS_CRYPTO("ctr(aes)");
 MODULE_ALIAS_CRYPTO("xts(aes)");
 
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
+
 asmlinkage void aesbs_convert_key(u8 out[], u32 const rk[], int rounds);
 
 asmlinkage void aesbs_ecb_encrypt(u8 out[], u8 const in[], u8 const rk[],
diff --git a/arch/arm/crypto/blake2b-neon-core.S b/arch/arm/crypto/blake2b-neon-core.S
new file mode 100644
index 0000000..0406a18
--- /dev/null
+++ b/arch/arm/crypto/blake2b-neon-core.S
@@ -0,0 +1,347 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * BLAKE2b digest algorithm, NEON accelerated
+ *
+ * Copyright 2020 Google LLC
+ *
+ * Author: Eric Biggers <ebiggers@google.com>
+ */
+
+#include <linux/linkage.h>
+
+	.text
+	.fpu		neon
+
+	// The arguments to blake2b_compress_neon()
+	STATE		.req	r0
+	BLOCK		.req	r1
+	NBLOCKS		.req	r2
+	INC		.req	r3
+
+	// Pointers to the rotation tables
+	ROR24_TABLE	.req	r4
+	ROR16_TABLE	.req	r5
+
+	// The original stack pointer
+	ORIG_SP		.req	r6
+
+	// NEON registers which contain the message words of the current block.
+	// M_0-M_3 are occasionally used for other purposes too.
+	M_0		.req	d16
+	M_1		.req	d17
+	M_2		.req	d18
+	M_3		.req	d19
+	M_4		.req	d20
+	M_5		.req	d21
+	M_6		.req	d22
+	M_7		.req	d23
+	M_8		.req	d24
+	M_9		.req	d25
+	M_10		.req	d26
+	M_11		.req	d27
+	M_12		.req	d28
+	M_13		.req	d29
+	M_14		.req	d30
+	M_15		.req	d31
+
+	.align		4
+	// Tables for computing ror64(x, 24) and ror64(x, 16) using the vtbl.8
+	// instruction.  This is the most efficient way to implement these
+	// rotation amounts with NEON.  (On Cortex-A53 it's the same speed as
+	// vshr.u64 + vsli.u64, while on Cortex-A7 it's faster.)
+.Lror24_table:
+	.byte		3, 4, 5, 6, 7, 0, 1, 2
+.Lror16_table:
+	.byte		2, 3, 4, 5, 6, 7, 0, 1
+	// The BLAKE2b initialization vector
+.Lblake2b_IV:
+	.quad		0x6a09e667f3bcc908, 0xbb67ae8584caa73b
+	.quad		0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1
+	.quad		0x510e527fade682d1, 0x9b05688c2b3e6c1f
+	.quad		0x1f83d9abfb41bd6b, 0x5be0cd19137e2179
+
+// Execute one round of BLAKE2b by updating the state matrix v[0..15] in the
+// NEON registers q0-q7.  The message block is in q8..q15 (M_0-M_15).  The stack
+// pointer points to a 32-byte aligned buffer containing a copy of q8 and q9
+// (M_0-M_3), so that they can be reloaded if they are used as temporary
+// registers.  The macro arguments s0-s15 give the order in which the message
+// words are used in this round.  'final' is 1 if this is the final round.
+.macro	_blake2b_round	s0, s1, s2, s3, s4, s5, s6, s7, \
+			s8, s9, s10, s11, s12, s13, s14, s15, final=0
+
+	// Mix the columns:
+	// (v[0], v[4], v[8], v[12]), (v[1], v[5], v[9], v[13]),
+	// (v[2], v[6], v[10], v[14]), and (v[3], v[7], v[11], v[15]).
+
+	// a += b + m[blake2b_sigma[r][2*i + 0]];
+	vadd.u64	q0, q0, q2
+	vadd.u64	q1, q1, q3
+	vadd.u64	d0, d0, M_\s0
+	vadd.u64	d1, d1, M_\s2
+	vadd.u64	d2, d2, M_\s4
+	vadd.u64	d3, d3, M_\s6
+
+	// d = ror64(d ^ a, 32);
+	veor		q6, q6, q0
+	veor		q7, q7, q1
+	vrev64.32	q6, q6
+	vrev64.32	q7, q7
+
+	// c += d;
+	vadd.u64	q4, q4, q6
+	vadd.u64	q5, q5, q7
+
+	// b = ror64(b ^ c, 24);
+	vld1.8		{M_0}, [ROR24_TABLE, :64]
+	veor		q2, q2, q4
+	veor		q3, q3, q5
+	vtbl.8		d4, {d4}, M_0
+	vtbl.8		d5, {d5}, M_0
+	vtbl.8		d6, {d6}, M_0
+	vtbl.8		d7, {d7}, M_0
+
+	// a += b + m[blake2b_sigma[r][2*i + 1]];
+	//
+	// M_0 got clobbered above, so we have to reload it if any of the four
+	// message words this step needs happens to be M_0.  Otherwise we don't
+	// need to reload it here, as it will just get clobbered again below.
+.if \s1 == 0 || \s3 == 0 || \s5 == 0 || \s7 == 0
+	vld1.8		{M_0}, [sp, :64]
+.endif
+	vadd.u64	q0, q0, q2
+	vadd.u64	q1, q1, q3
+	vadd.u64	d0, d0, M_\s1
+	vadd.u64	d1, d1, M_\s3
+	vadd.u64	d2, d2, M_\s5
+	vadd.u64	d3, d3, M_\s7
+
+	// d = ror64(d ^ a, 16);
+	vld1.8		{M_0}, [ROR16_TABLE, :64]
+	veor		q6, q6, q0
+	veor		q7, q7, q1
+	vtbl.8		d12, {d12}, M_0
+	vtbl.8		d13, {d13}, M_0
+	vtbl.8		d14, {d14}, M_0
+	vtbl.8		d15, {d15}, M_0
+
+	// c += d;
+	vadd.u64	q4, q4, q6
+	vadd.u64	q5, q5, q7
+
+	// b = ror64(b ^ c, 63);
+	//
+	// This rotation amount isn't a multiple of 8, so it has to be
+	// implemented using a pair of shifts, which requires temporary
+	// registers.  Use q8-q9 (M_0-M_3) for this, and reload them afterwards.
+	veor		q8, q2, q4
+	veor		q9, q3, q5
+	vshr.u64	q2, q8, #63
+	vshr.u64	q3, q9, #63
+	vsli.u64	q2, q8, #1
+	vsli.u64	q3, q9, #1
+	vld1.8		{q8-q9}, [sp, :256]
+
+	// Mix the diagonals:
+	// (v[0], v[5], v[10], v[15]), (v[1], v[6], v[11], v[12]),
+	// (v[2], v[7], v[8], v[13]), and (v[3], v[4], v[9], v[14]).
+	//
+	// There are two possible ways to do this: use 'vext' instructions to
+	// shift the rows of the matrix so that the diagonals become columns,
+	// and undo it afterwards; or just use 64-bit operations on 'd'
+	// registers instead of 128-bit operations on 'q' registers.  We use the
+	// latter approach, as it performs much better on Cortex-A7.
+
+	// a += b + m[blake2b_sigma[r][2*i + 0]];
+	vadd.u64	d0, d0, d5
+	vadd.u64	d1, d1, d6
+	vadd.u64	d2, d2, d7
+	vadd.u64	d3, d3, d4
+	vadd.u64	d0, d0, M_\s8
+	vadd.u64	d1, d1, M_\s10
+	vadd.u64	d2, d2, M_\s12
+	vadd.u64	d3, d3, M_\s14
+
+	// d = ror64(d ^ a, 32);
+	veor		d15, d15, d0
+	veor		d12, d12, d1
+	veor		d13, d13, d2
+	veor		d14, d14, d3
+	vrev64.32	d15, d15
+	vrev64.32	d12, d12
+	vrev64.32	d13, d13
+	vrev64.32	d14, d14
+
+	// c += d;
+	vadd.u64	d10, d10, d15
+	vadd.u64	d11, d11, d12
+	vadd.u64	d8, d8, d13
+	vadd.u64	d9, d9, d14
+
+	// b = ror64(b ^ c, 24);
+	vld1.8		{M_0}, [ROR24_TABLE, :64]
+	veor		d5, d5, d10
+	veor		d6, d6, d11
+	veor		d7, d7, d8
+	veor		d4, d4, d9
+	vtbl.8		d5, {d5}, M_0
+	vtbl.8		d6, {d6}, M_0
+	vtbl.8		d7, {d7}, M_0
+	vtbl.8		d4, {d4}, M_0
+
+	// a += b + m[blake2b_sigma[r][2*i + 1]];
+.if \s9 == 0 || \s11 == 0 || \s13 == 0 || \s15 == 0
+	vld1.8		{M_0}, [sp, :64]
+.endif
+	vadd.u64	d0, d0, d5
+	vadd.u64	d1, d1, d6
+	vadd.u64	d2, d2, d7
+	vadd.u64	d3, d3, d4
+	vadd.u64	d0, d0, M_\s9
+	vadd.u64	d1, d1, M_\s11
+	vadd.u64	d2, d2, M_\s13
+	vadd.u64	d3, d3, M_\s15
+
+	// d = ror64(d ^ a, 16);
+	vld1.8		{M_0}, [ROR16_TABLE, :64]
+	veor		d15, d15, d0
+	veor		d12, d12, d1
+	veor		d13, d13, d2
+	veor		d14, d14, d3
+	vtbl.8		d12, {d12}, M_0
+	vtbl.8		d13, {d13}, M_0
+	vtbl.8		d14, {d14}, M_0
+	vtbl.8		d15, {d15}, M_0
+
+	// c += d;
+	vadd.u64	d10, d10, d15
+	vadd.u64	d11, d11, d12
+	vadd.u64	d8, d8, d13
+	vadd.u64	d9, d9, d14
+
+	// b = ror64(b ^ c, 63);
+	veor		d16, d4, d9
+	veor		d17, d5, d10
+	veor		d18, d6, d11
+	veor		d19, d7, d8
+	vshr.u64	q2, q8, #63
+	vshr.u64	q3, q9, #63
+	vsli.u64	q2, q8, #1
+	vsli.u64	q3, q9, #1
+	// Reloading q8-q9 can be skipped on the final round.
+.if ! \final
+	vld1.8		{q8-q9}, [sp, :256]
+.endif
+.endm
+
+//
+// void blake2b_compress_neon(struct blake2b_state *state,
+//			      const u8 *block, size_t nblocks, u32 inc);
+//
+// Only the first three fields of struct blake2b_state are used:
+//	u64 h[8];	(inout)
+//	u64 t[2];	(inout)
+//	u64 f[2];	(in)
+//
+	.align		5
+ENTRY(blake2b_compress_neon)
+	push		{r4-r10}
+
+	// Allocate a 32-byte stack buffer that is 32-byte aligned.
+	mov		ORIG_SP, sp
+	sub		ip, sp, #32
+	bic		ip, ip, #31
+	mov		sp, ip
+
+	adr		ROR24_TABLE, .Lror24_table
+	adr		ROR16_TABLE, .Lror16_table
+
+	mov		ip, STATE
+	vld1.64		{q0-q1}, [ip]!		// Load h[0..3]
+	vld1.64		{q2-q3}, [ip]!		// Load h[4..7]
+.Lnext_block:
+	  adr		r10, .Lblake2b_IV
+	vld1.64		{q14-q15}, [ip]		// Load t[0..1] and f[0..1]
+	vld1.64		{q4-q5}, [r10]!		// Load IV[0..3]
+	  vmov		r7, r8, d28		// Copy t[0] to (r7, r8)
+	vld1.64		{q6-q7}, [r10]		// Load IV[4..7]
+	  adds		r7, r7, INC		// Increment counter
+	bcs		.Lslow_inc_ctr
+	vmov.i32	d28[0], r7
+	vst1.64		{d28}, [ip]		// Update t[0]
+.Linc_ctr_done:
+
+	// Load the next message block and finish initializing the state matrix
+	// 'v'.  Fortunately, there are exactly enough NEON registers to fit the
+	// entire state matrix in q0-q7 and the entire message block in q8-15.
+	//
+	// However, _blake2b_round also needs some extra registers for rotates,
+	// so we have to spill some registers.  It's better to spill the message
+	// registers than the state registers, as the message doesn't change.
+	// Therefore we store a copy of the first 32 bytes of the message block
+	// (q8-q9) in an aligned buffer on the stack so that they can be
+	// reloaded when needed.  (We could just reload directly from the
+	// message buffer, but it's faster to use aligned loads.)
+	vld1.8		{q8-q9}, [BLOCK]!
+	  veor		q6, q6, q14	// v[12..13] = IV[4..5] ^ t[0..1]
+	vld1.8		{q10-q11}, [BLOCK]!
+	  veor		q7, q7, q15	// v[14..15] = IV[6..7] ^ f[0..1]
+	vld1.8		{q12-q13}, [BLOCK]!
+	vst1.8		{q8-q9}, [sp, :256]
+	  mov		ip, STATE
+	vld1.8		{q14-q15}, [BLOCK]!
+
+	// Execute the rounds.  Each round is provided the order in which it
+	// needs to use the message words.
+	_blake2b_round	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+	_blake2b_round	14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3
+	_blake2b_round	11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4
+	_blake2b_round	7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8
+	_blake2b_round	9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13
+	_blake2b_round	2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9
+	_blake2b_round	12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11
+	_blake2b_round	13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10
+	_blake2b_round	6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5
+	_blake2b_round	10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0
+	_blake2b_round	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+	_blake2b_round	14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 \
+			final=1
+
+	// Fold the final state matrix into the hash chaining value:
+	//
+	//	for (i = 0; i < 8; i++)
+	//		h[i] ^= v[i] ^ v[i + 8];
+	//
+	  vld1.64	{q8-q9}, [ip]!		// Load old h[0..3]
+	veor		q0, q0, q4		// v[0..1] ^= v[8..9]
+	veor		q1, q1, q5		// v[2..3] ^= v[10..11]
+	  vld1.64	{q10-q11}, [ip]		// Load old h[4..7]
+	veor		q2, q2, q6		// v[4..5] ^= v[12..13]
+	veor		q3, q3, q7		// v[6..7] ^= v[14..15]
+	veor		q0, q0, q8		// v[0..1] ^= h[0..1]
+	veor		q1, q1, q9		// v[2..3] ^= h[2..3]
+	  mov		ip, STATE
+	  subs		NBLOCKS, NBLOCKS, #1	// nblocks--
+	  vst1.64	{q0-q1}, [ip]!		// Store new h[0..3]
+	veor		q2, q2, q10		// v[4..5] ^= h[4..5]
+	veor		q3, q3, q11		// v[6..7] ^= h[6..7]
+	  vst1.64	{q2-q3}, [ip]!		// Store new h[4..7]
+
+	// Advance to the next block, if there is one.
+	bne		.Lnext_block		// nblocks != 0?
+
+	mov		sp, ORIG_SP
+	pop		{r4-r10}
+	mov		pc, lr
+
+.Lslow_inc_ctr:
+	// Handle the case where the counter overflowed its low 32 bits, by
+	// carrying the overflow bit into the full 128-bit counter.
+	vmov		r9, r10, d29
+	adcs		r8, r8, #0
+	adcs		r9, r9, #0
+	adc		r10, r10, #0
+	vmov		d28, r7, r8
+	vmov		d29, r9, r10
+	vst1.64		{q14}, [ip]		// Update t[0] and t[1]
+	b		.Linc_ctr_done
+ENDPROC(blake2b_compress_neon)
diff --git a/arch/arm/crypto/blake2b-neon-glue.c b/arch/arm/crypto/blake2b-neon-glue.c
new file mode 100644
index 0000000..4b59d02
--- /dev/null
+++ b/arch/arm/crypto/blake2b-neon-glue.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BLAKE2b digest algorithm, NEON accelerated
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <crypto/internal/blake2b.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
+
+#include <linux/module.h>
+#include <linux/sizes.h>
+
+#include <asm/neon.h>
+#include <asm/simd.h>
+
+asmlinkage void blake2b_compress_neon(struct blake2b_state *state,
+				      const u8 *block, size_t nblocks, u32 inc);
+
+static void blake2b_compress_arch(struct blake2b_state *state,
+				  const u8 *block, size_t nblocks, u32 inc)
+{
+	if (!crypto_simd_usable()) {
+		blake2b_compress_generic(state, block, nblocks, inc);
+		return;
+	}
+
+	do {
+		const size_t blocks = min_t(size_t, nblocks,
+					    SZ_4K / BLAKE2B_BLOCK_SIZE);
+
+		kernel_neon_begin();
+		blake2b_compress_neon(state, block, blocks, inc);
+		kernel_neon_end();
+
+		nblocks -= blocks;
+		block += blocks * BLAKE2B_BLOCK_SIZE;
+	} while (nblocks);
+}
+
+static int crypto_blake2b_update_neon(struct shash_desc *desc,
+				      const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2b_update(desc, in, inlen, blake2b_compress_arch);
+}
+
+static int crypto_blake2b_final_neon(struct shash_desc *desc, u8 *out)
+{
+	return crypto_blake2b_final(desc, out, blake2b_compress_arch);
+}
+
+#define BLAKE2B_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 200,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2B_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2b_setkey,	\
+		.init			= crypto_blake2b_init,		\
+		.update			= crypto_blake2b_update_neon,	\
+		.final			= crypto_blake2b_final_neon,	\
+		.descsize		= sizeof(struct blake2b_state),	\
+	}
+
+static struct shash_alg blake2b_neon_algs[] = {
+	BLAKE2B_ALG("blake2b-160", "blake2b-160-neon", BLAKE2B_160_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-256", "blake2b-256-neon", BLAKE2B_256_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-384", "blake2b-384-neon", BLAKE2B_384_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-512", "blake2b-512-neon", BLAKE2B_512_HASH_SIZE),
+};
+
+static int __init blake2b_neon_mod_init(void)
+{
+	if (!(elf_hwcap & HWCAP_NEON))
+		return -ENODEV;
+
+	return crypto_register_shashes(blake2b_neon_algs,
+				       ARRAY_SIZE(blake2b_neon_algs));
+}
+
+static void __exit blake2b_neon_mod_exit(void)
+{
+	crypto_unregister_shashes(blake2b_neon_algs,
+				  ARRAY_SIZE(blake2b_neon_algs));
+}
+
+module_init(blake2b_neon_mod_init);
+module_exit(blake2b_neon_mod_exit);
+
+MODULE_DESCRIPTION("BLAKE2b digest algorithm, NEON accelerated");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_ALIAS_CRYPTO("blake2b-160");
+MODULE_ALIAS_CRYPTO("blake2b-160-neon");
+MODULE_ALIAS_CRYPTO("blake2b-256");
+MODULE_ALIAS_CRYPTO("blake2b-256-neon");
+MODULE_ALIAS_CRYPTO("blake2b-384");
+MODULE_ALIAS_CRYPTO("blake2b-384-neon");
+MODULE_ALIAS_CRYPTO("blake2b-512");
+MODULE_ALIAS_CRYPTO("blake2b-512-neon");
diff --git a/arch/arm/crypto/blake2s-core.S b/arch/arm/crypto/blake2s-core.S
new file mode 100644
index 0000000..df40e46
--- /dev/null
+++ b/arch/arm/crypto/blake2s-core.S
@@ -0,0 +1,306 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * BLAKE2s digest algorithm, ARM scalar implementation
+ *
+ * Copyright 2020 Google LLC
+ *
+ * Author: Eric Biggers <ebiggers@google.com>
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+	// Registers used to hold message words temporarily.  There aren't
+	// enough ARM registers to hold the whole message block, so we have to
+	// load the words on-demand.
+	M_0		.req	r12
+	M_1		.req	r14
+
+// The BLAKE2s initialization vector
+.Lblake2s_IV:
+	.word	0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A
+	.word	0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19
+
+.macro __ldrd		a, b, src, offset
+#if __LINUX_ARM_ARCH__ >= 6
+	ldrd		\a, \b, [\src, #\offset]
+#else
+	ldr		\a, [\src, #\offset]
+	ldr		\b, [\src, #\offset + 4]
+#endif
+.endm
+
+.macro __strd		a, b, dst, offset
+#if __LINUX_ARM_ARCH__ >= 6
+	strd		\a, \b, [\dst, #\offset]
+#else
+	str		\a, [\dst, #\offset]
+	str		\b, [\dst, #\offset + 4]
+#endif
+.endm
+
+.macro _le32_bswap	a, tmp
+#ifdef __ARMEB__
+	rev_l		\a, \tmp
+#endif
+.endm
+
+.macro _le32_bswap_8x	a, b, c, d, e, f, g, h,  tmp
+	_le32_bswap	\a, \tmp
+	_le32_bswap	\b, \tmp
+	_le32_bswap	\c, \tmp
+	_le32_bswap	\d, \tmp
+	_le32_bswap	\e, \tmp
+	_le32_bswap	\f, \tmp
+	_le32_bswap	\g, \tmp
+	_le32_bswap	\h, \tmp
+.endm
+
+// Execute a quarter-round of BLAKE2s by mixing two columns or two diagonals.
+// (a0, b0, c0, d0) and (a1, b1, c1, d1) give the registers containing the two
+// columns/diagonals.  s0-s1 are the word offsets to the message words the first
+// column/diagonal needs, and likewise s2-s3 for the second column/diagonal.
+// M_0 and M_1 are free to use, and the message block can be found at sp + 32.
+//
+// Note that to save instructions, the rotations don't happen when the
+// pseudocode says they should, but rather they are delayed until the values are
+// used.  See the comment above _blake2s_round().
+.macro _blake2s_quarterround  a0, b0, c0, d0,  a1, b1, c1, d1,  s0, s1, s2, s3
+
+	ldr		M_0, [sp, #32 + 4 * \s0]
+	ldr		M_1, [sp, #32 + 4 * \s2]
+
+	// a += b + m[blake2s_sigma[r][2*i + 0]];
+	add		\a0, \a0, \b0, ror #brot
+	add		\a1, \a1, \b1, ror #brot
+	add		\a0, \a0, M_0
+	add		\a1, \a1, M_1
+
+	// d = ror32(d ^ a, 16);
+	eor		\d0, \a0, \d0, ror #drot
+	eor		\d1, \a1, \d1, ror #drot
+
+	// c += d;
+	add		\c0, \c0, \d0, ror #16
+	add		\c1, \c1, \d1, ror #16
+
+	// b = ror32(b ^ c, 12);
+	eor		\b0, \c0, \b0, ror #brot
+	eor		\b1, \c1, \b1, ror #brot
+
+	ldr		M_0, [sp, #32 + 4 * \s1]
+	ldr		M_1, [sp, #32 + 4 * \s3]
+
+	// a += b + m[blake2s_sigma[r][2*i + 1]];
+	add		\a0, \a0, \b0, ror #12
+	add		\a1, \a1, \b1, ror #12
+	add		\a0, \a0, M_0
+	add		\a1, \a1, M_1
+
+	// d = ror32(d ^ a, 8);
+	eor		\d0, \a0, \d0, ror#16
+	eor		\d1, \a1, \d1, ror#16
+
+	// c += d;
+	add		\c0, \c0, \d0, ror#8
+	add		\c1, \c1, \d1, ror#8
+
+	// b = ror32(b ^ c, 7);
+	eor		\b0, \c0, \b0, ror#12
+	eor		\b1, \c1, \b1, ror#12
+.endm
+
+// Execute one round of BLAKE2s by updating the state matrix v[0..15].  v[0..9]
+// are in r0..r9.  The stack pointer points to 8 bytes of scratch space for
+// spilling v[8..9], then to v[9..15], then to the message block.  r10-r12 and
+// r14 are free to use.  The macro arguments s0-s15 give the order in which the
+// message words are used in this round.
+//
+// All rotates are performed using the implicit rotate operand accepted by the
+// 'add' and 'eor' instructions.  This is faster than using explicit rotate
+// instructions.  To make this work, we allow the values in the second and last
+// rows of the BLAKE2s state matrix (rows 'b' and 'd') to temporarily have the
+// wrong rotation amount.  The rotation amount is then fixed up just in time
+// when the values are used.  'brot' is the number of bits the values in row 'b'
+// need to be rotated right to arrive at the correct values, and 'drot'
+// similarly for row 'd'.  (brot, drot) start out as (0, 0) but we make it such
+// that they end up as (7, 8) after every round.
+.macro	_blake2s_round	s0, s1, s2, s3, s4, s5, s6, s7, \
+			s8, s9, s10, s11, s12, s13, s14, s15
+
+	// Mix first two columns:
+	// (v[0], v[4], v[8], v[12]) and (v[1], v[5], v[9], v[13]).
+	__ldrd		r10, r11, sp, 16	// load v[12] and v[13]
+	_blake2s_quarterround	r0, r4, r8, r10,  r1, r5, r9, r11, \
+				\s0, \s1, \s2, \s3
+	__strd		r8, r9, sp, 0
+	__strd		r10, r11, sp, 16
+
+	// Mix second two columns:
+	// (v[2], v[6], v[10], v[14]) and (v[3], v[7], v[11], v[15]).
+	__ldrd		r8, r9, sp, 8		// load v[10] and v[11]
+	__ldrd		r10, r11, sp, 24	// load v[14] and v[15]
+	_blake2s_quarterround	r2, r6, r8, r10,  r3, r7, r9, r11, \
+				\s4, \s5, \s6, \s7
+	str		r10, [sp, #24]		// store v[14]
+	// v[10], v[11], and v[15] are used below, so no need to store them yet.
+
+	.set brot, 7
+	.set drot, 8
+
+	// Mix first two diagonals:
+	// (v[0], v[5], v[10], v[15]) and (v[1], v[6], v[11], v[12]).
+	ldr		r10, [sp, #16]		// load v[12]
+	_blake2s_quarterround	r0, r5, r8, r11,  r1, r6, r9, r10, \
+				\s8, \s9, \s10, \s11
+	__strd		r8, r9, sp, 8
+	str		r11, [sp, #28]
+	str		r10, [sp, #16]
+
+	// Mix second two diagonals:
+	// (v[2], v[7], v[8], v[13]) and (v[3], v[4], v[9], v[14]).
+	__ldrd		r8, r9, sp, 0		// load v[8] and v[9]
+	__ldrd		r10, r11, sp, 20	// load v[13] and v[14]
+	_blake2s_quarterround	r2, r7, r8, r10,  r3, r4, r9, r11, \
+				\s12, \s13, \s14, \s15
+	__strd		r10, r11, sp, 20
+.endm
+
+//
+// void blake2s_compress(struct blake2s_state *state,
+//			 const u8 *block, size_t nblocks, u32 inc);
+//
+// Only the first three fields of struct blake2s_state are used:
+//	u32 h[8];	(inout)
+//	u32 t[2];	(inout)
+//	u32 f[2];	(in)
+//
+	.align		5
+ENTRY(blake2s_compress)
+	push		{r0-r2,r4-r11,lr}	// keep this an even number
+
+.Lnext_block:
+	// r0 is 'state'
+	// r1 is 'block'
+	// r3 is 'inc'
+
+	// Load and increment the counter t[0..1].
+	__ldrd		r10, r11, r0, 32
+	adds		r10, r10, r3
+	adc		r11, r11, #0
+	__strd		r10, r11, r0, 32
+
+	// _blake2s_round is very short on registers, so copy the message block
+	// to the stack to save a register during the rounds.  This also has the
+	// advantage that misalignment only needs to be dealt with in one place.
+	sub		sp, sp, #64
+	mov		r12, sp
+	tst		r1, #3
+	bne		.Lcopy_block_misaligned
+	ldmia		r1!, {r2-r9}
+	_le32_bswap_8x	r2, r3, r4, r5, r6, r7, r8, r9,  r14
+	stmia		r12!, {r2-r9}
+	ldmia		r1!, {r2-r9}
+	_le32_bswap_8x	r2, r3, r4, r5, r6, r7, r8, r9,  r14
+	stmia		r12, {r2-r9}
+.Lcopy_block_done:
+	str		r1, [sp, #68]		// Update message pointer
+
+	// Calculate v[8..15].  Push v[9..15] onto the stack, and leave space
+	// for spilling v[8..9].  Leave v[8..9] in r8-r9.
+	mov		r14, r0			// r14 = state
+	adr		r12, .Lblake2s_IV
+	ldmia		r12!, {r8-r9}		// load IV[0..1]
+	__ldrd		r0, r1, r14, 40		// load f[0..1]
+	ldm		r12, {r2-r7}		// load IV[3..7]
+	eor		r4, r4, r10		// v[12] = IV[4] ^ t[0]
+	eor		r5, r5, r11		// v[13] = IV[5] ^ t[1]
+	eor		r6, r6, r0		// v[14] = IV[6] ^ f[0]
+	eor		r7, r7, r1		// v[15] = IV[7] ^ f[1]
+	push		{r2-r7}			// push v[9..15]
+	sub		sp, sp, #8		// leave space for v[8..9]
+
+	// Load h[0..7] == v[0..7].
+	ldm		r14, {r0-r7}
+
+	// Execute the rounds.  Each round is provided the order in which it
+	// needs to use the message words.
+	.set brot, 0
+	.set drot, 0
+	_blake2s_round	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+	_blake2s_round	14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3
+	_blake2s_round	11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4
+	_blake2s_round	7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8
+	_blake2s_round	9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13
+	_blake2s_round	2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9
+	_blake2s_round	12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11
+	_blake2s_round	13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10
+	_blake2s_round	6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5
+	_blake2s_round	10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0
+
+	// Fold the final state matrix into the hash chaining value:
+	//
+	//	for (i = 0; i < 8; i++)
+	//		h[i] ^= v[i] ^ v[i + 8];
+	//
+	ldr		r14, [sp, #96]		// r14 = &h[0]
+	add		sp, sp, #8		// v[8..9] are already loaded.
+	pop		{r10-r11}		// load v[10..11]
+	eor		r0, r0, r8
+	eor		r1, r1, r9
+	eor		r2, r2, r10
+	eor		r3, r3, r11
+	ldm		r14, {r8-r11}		// load h[0..3]
+	eor		r0, r0, r8
+	eor		r1, r1, r9
+	eor		r2, r2, r10
+	eor		r3, r3, r11
+	stmia		r14!, {r0-r3}		// store new h[0..3]
+	ldm		r14, {r0-r3}		// load old h[4..7]
+	pop		{r8-r11}		// load v[12..15]
+	eor		r0, r0, r4, ror #brot
+	eor		r1, r1, r5, ror #brot
+	eor		r2, r2, r6, ror #brot
+	eor		r3, r3, r7, ror #brot
+	eor		r0, r0, r8, ror #drot
+	eor		r1, r1, r9, ror #drot
+	eor		r2, r2, r10, ror #drot
+	eor		r3, r3, r11, ror #drot
+	  add		sp, sp, #64		// skip copy of message block
+	stm		r14, {r0-r3}		// store new h[4..7]
+
+	// Advance to the next block, if there is one.  Note that if there are
+	// multiple blocks, then 'inc' (the counter increment amount) must be
+	// 64.  So we can simply set it to 64 without re-loading it.
+	ldm		sp, {r0, r1, r2}	// load (state, block, nblocks)
+	mov		r3, #64			// set 'inc'
+	subs		r2, r2, #1		// nblocks--
+	str		r2, [sp, #8]
+	bne		.Lnext_block		// nblocks != 0?
+
+	pop		{r0-r2,r4-r11,pc}
+
+	// The next message block (pointed to by r1) isn't 4-byte aligned, so it
+	// can't be loaded using ldmia.  Copy it to the stack buffer (pointed to
+	// by r12) using an alternative method.  r2-r9 are free to use.
+.Lcopy_block_misaligned:
+	mov		r2, #64
+1:
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	ldr		r3, [r1], #4
+	_le32_bswap	r3, r4
+#else
+	ldrb		r3, [r1, #0]
+	ldrb		r4, [r1, #1]
+	ldrb		r5, [r1, #2]
+	ldrb		r6, [r1, #3]
+	add		r1, r1, #4
+	orr		r3, r3, r4, lsl #8
+	orr		r3, r3, r5, lsl #16
+	orr		r3, r3, r6, lsl #24
+#endif
+	subs		r2, r2, #4
+	str		r3, [r12], #4
+	bne		1b
+	b		.Lcopy_block_done
+ENDPROC(blake2s_compress)
diff --git a/arch/arm/crypto/blake2s-glue.c b/arch/arm/crypto/blake2s-glue.c
new file mode 100644
index 0000000..0238a70
--- /dev/null
+++ b/arch/arm/crypto/blake2s-glue.c
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <crypto/internal/blake2s.h>
+#include <linux/module.h>
+
+/* defined in blake2s-core.S */
+EXPORT_SYMBOL(blake2s_compress);
diff --git a/arch/arm/crypto/blake2s-shash.c b/arch/arm/crypto/blake2s-shash.c
new file mode 100644
index 0000000..763c73b
--- /dev/null
+++ b/arch/arm/crypto/blake2s-shash.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BLAKE2s digest algorithm, ARM scalar implementation
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <crypto/internal/hash.h>
+
+#include <linux/module.h>
+
+static int crypto_blake2s_update_arm(struct shash_desc *desc,
+				     const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2s_update(desc, in, inlen, false);
+}
+
+static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out)
+{
+	return crypto_blake2s_final(desc, out, false);
+}
+
+#define BLAKE2S_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 200,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2S_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2s_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2s_setkey,	\
+		.init			= crypto_blake2s_init,		\
+		.update			= crypto_blake2s_update_arm,	\
+		.final			= crypto_blake2s_final_arm,	\
+		.descsize		= sizeof(struct blake2s_state),	\
+	}
+
+static struct shash_alg blake2s_arm_algs[] = {
+	BLAKE2S_ALG("blake2s-128", "blake2s-128-arm", BLAKE2S_128_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-160", "blake2s-160-arm", BLAKE2S_160_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-224", "blake2s-224-arm", BLAKE2S_224_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-256", "blake2s-256-arm", BLAKE2S_256_HASH_SIZE),
+};
+
+static int __init blake2s_arm_mod_init(void)
+{
+	return IS_REACHABLE(CONFIG_CRYPTO_HASH) ?
+		crypto_register_shashes(blake2s_arm_algs,
+					ARRAY_SIZE(blake2s_arm_algs)) : 0;
+}
+
+static void __exit blake2s_arm_mod_exit(void)
+{
+	if (IS_REACHABLE(CONFIG_CRYPTO_HASH))
+		crypto_unregister_shashes(blake2s_arm_algs,
+					  ARRAY_SIZE(blake2s_arm_algs));
+}
+
+module_init(blake2s_arm_mod_init);
+module_exit(blake2s_arm_mod_exit);
+
+MODULE_DESCRIPTION("BLAKE2s digest algorithm, ARM scalar implementation");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_ALIAS_CRYPTO("blake2s-128");
+MODULE_ALIAS_CRYPTO("blake2s-128-arm");
+MODULE_ALIAS_CRYPTO("blake2s-160");
+MODULE_ALIAS_CRYPTO("blake2s-160-arm");
+MODULE_ALIAS_CRYPTO("blake2s-224");
+MODULE_ALIAS_CRYPTO("blake2s-224-arm");
+MODULE_ALIAS_CRYPTO("blake2s-256");
+MODULE_ALIAS_CRYPTO("blake2s-256-arm");
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index f1398b92..03657ff 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -3,7 +3,6 @@
 generic-y += extable.h
 generic-y += flat.h
 generic-y += parport.h
-generic-y += seccomp.h
 
 generated-y += mach-types.h
 generated-y += unistd-nr.h
diff --git a/arch/arm/include/asm/archrandom.h b/arch/arm/include/asm/archrandom.h
new file mode 100644
index 0000000..a8e84ca
--- /dev/null
+++ b/arch/arm/include/asm/archrandom.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_ARCHRANDOM_H
+#define _ASM_ARCHRANDOM_H
+
+static inline bool __init smccc_probe_trng(void)
+{
+	return false;
+}
+
+#endif /* _ASM_ARCHRANDOM_H */
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 24a1f49..8ff20f9 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -588,4 +588,21 @@
 	__adldst_l	str, \src, \sym, \tmp, \cond
 	.endm
 
+	/*
+	 * rev_l - byte-swap a 32-bit value
+	 *
+	 * @val: source/destination register
+	 * @tmp: scratch register
+	 */
+	.macro		rev_l, val:req, tmp:req
+	.if		__LINUX_ARM_ARCH__ < 6
+	eor		\tmp, \val, \val, ror #16
+	bic		\tmp, \tmp, #0x00ff0000
+	mov		\val, \val, ror #8
+	eor		\val, \val, \tmp, lsr #8
+	.else
+	rev		\val, \val
+	.endif
+	.endm
+
 #endif /* __ASM_ASSEMBLER_H__ */
diff --git a/arch/arm/include/asm/hypervisor.h b/arch/arm/include/asm/hypervisor.h
index df85243..8133c8c 100644
--- a/arch/arm/include/asm/hypervisor.h
+++ b/arch/arm/include/asm/hypervisor.h
@@ -4,4 +4,8 @@
 
 #include <asm/xen/hypervisor.h>
 
+void kvm_init_hyp_services(void);
+bool kvm_arm_hyp_service_available(u32 func_id);
+void kvm_arm_init_hyp_services(void);
+
 #endif
diff --git a/arch/arm/include/asm/seccomp.h b/arch/arm/include/asm/seccomp.h
new file mode 100644
index 0000000..e9ad0f3
--- /dev/null
+++ b/arch/arm/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_ARM
+#define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME	"arm"
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
index 65530a0..430be77 100644
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -17,6 +17,8 @@
 	unsigned long sig[_NSIG_WORDS];
 } sigset_t;
 
+#define __ARCH_UAPI_SA_FLAGS	(SA_THIRTYTWO | SA_RESTORER)
+
 #define __ARCH_HAS_SA_RESTORER
 
 #include <asm/sigcontext.h>
diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h
index 66f6a3a..98b3734 100644
--- a/arch/arm/include/asm/system_misc.h
+++ b/arch/arm/include/asm/system_misc.h
@@ -13,7 +13,6 @@
 extern void cpu_init(void);
 
 void soft_restart(unsigned long);
-extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
 extern void (*arm_pm_idle)(void);
 
 #ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
diff --git a/arch/arm/include/uapi/asm/setup.h b/arch/arm/include/uapi/asm/setup.h
index 25ceda6..345bf0a 100644
--- a/arch/arm/include/uapi/asm/setup.h
+++ b/arch/arm/include/uapi/asm/setup.h
@@ -17,7 +17,7 @@
 
 #include <linux/types.h>
 
-#define COMMAND_LINE_SIZE 1024
+#define COMMAND_LINE_SIZE 2048
 
 /* The list ends with an ATAG_NONE node. */
 #define ATAG_NONE	0x00000000
diff --git a/arch/arm/include/uapi/asm/signal.h b/arch/arm/include/uapi/asm/signal.h
index 9b4185b..c9a3ea1 100644
--- a/arch/arm/include/uapi/asm/signal.h
+++ b/arch/arm/include/uapi/asm/signal.h
@@ -60,33 +60,12 @@
 #define SIGSWI		32
 
 /*
- * SA_FLAGS values:
- *
- * SA_NOCLDSTOP		flag to turn off SIGCHLD when children stop.
- * SA_NOCLDWAIT		flag on SIGCHLD to inhibit zombies.
- * SA_SIGINFO		deliver the signal with SIGINFO structs
- * SA_THIRTYTWO		delivers the signal in 32-bit mode, even if the task 
- *			is running in 26-bit.
- * SA_ONSTACK		allows alternate signal stacks (see sigaltstack(2)).
- * SA_RESTART		flag to get restarting signals (which were the default long ago)
- * SA_NODEFER		prevents the current signal from being masked in the handler.
- * SA_RESETHAND		clears the handler when the signal is delivered.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
+ * SA_THIRTYTWO historically meant deliver the signal in 32-bit mode, even if
+ * the task is running in 26-bit. But since the kernel no longer supports
+ * 26-bit mode, the flag has no effect.
  */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002
-#define SA_SIGINFO	0x00000004
 #define SA_THIRTYTWO	0x02000000
 #define SA_RESTORER	0x04000000
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
 
 #define MINSIGSTKSZ	2048
 #define SIGSTKSZ	8192
diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c
index 0ce388f..3044fcb 100644
--- a/arch/arm/kernel/reboot.c
+++ b/arch/arm/kernel/reboot.c
@@ -18,7 +18,6 @@
 /*
  * Function pointers to optional machine specific functions
  */
-void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
@@ -138,10 +137,7 @@
 	local_irq_disable();
 	smp_send_stop();
 
-	if (arm_pm_restart)
-		arm_pm_restart(reboot_mode, cmd);
-	else
-		do_kernel_restart(cmd);
+	do_kernel_restart(cmd);
 
 	/* Give a grace period for failure to restart of 1s */
 	mdelay(1000);
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index b06602c..b0e2e31 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -1082,6 +1082,20 @@
 #endif
 }
 
+static void (*__arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
+
+static int arm_restart(struct notifier_block *nb, unsigned long action,
+		       void *data)
+{
+	__arm_pm_restart(action, data);
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block arm_restart_nb = {
+	.notifier_call = arm_restart,
+	.priority = 128,
+};
+
 void __init setup_arch(char **cmdline_p)
 {
 	const struct machine_desc *mdesc = NULL;
@@ -1149,8 +1163,10 @@
 	paging_init(mdesc);
 	request_standard_resources(mdesc);
 
-	if (mdesc->restart)
-		arm_pm_restart = mdesc->restart;
+	if (mdesc->restart) {
+		__arm_pm_restart = mdesc->restart;
+		register_restart_handler(&arm_restart_nb);
+	}
 
 	unflatten_device_tree();
 
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 8aa7fa9..123432b 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -51,6 +51,10 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/ipi.h>
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_raise);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_exit);
+
 /*
  * as from 2.5, kernels no longer have an init_tasks structure
  * so we need some other way of telling a new secondary core
@@ -737,6 +741,10 @@
 
 		ipi_desc[i] = irq_to_desc(ipi_base + i);
 		irq_set_status_flags(ipi_base + i, IRQ_HIDDEN);
+
+		/* The recheduling IPI is special... */
+		if (i == IPI_RESCHEDULE)
+			__irq_modify_status(ipi_base + i, 0, IRQ_RAW, ~0);
 	}
 
 	ipi_irq_base = ipi_base;
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
index 9d56606..825dd5f 100644
--- a/arch/arm/mach-prima2/rstc.c
+++ b/arch/arm/mach-prima2/rstc.c
@@ -64,11 +64,18 @@
 
 #define SIRFSOC_SYS_RST_BIT  BIT(31)
 
-static void sirfsoc_restart(enum reboot_mode mode, const char *cmd)
+static int sirfsoc_restart(struct notifier_block *nb, unsigned long action,
+			   void *data)
 {
 	writel(SIRFSOC_SYS_RST_BIT, sirfsoc_rstc_base);
+	return NOTIFY_DONE;
 }
 
+static struct notifier_block sirfsoc_restart_nb = {
+	.notifier_call  = sirfsoc_restart,
+	.priority       = 192,
+};
+
 static int sirfsoc_rstc_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
@@ -79,7 +86,7 @@
 	}
 
 	sirfsoc_reset_controller.of_node = np;
-	arm_pm_restart = sirfsoc_restart;
+	register_restart_handler(&sirfsoc_restart_nb);
 
 	if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
 		reset_controller_register(&sirfsoc_reset_controller);
diff --git a/arch/arm/probes/kprobes/test-arm.c b/arch/arm/probes/kprobes/test-arm.c
index 977369f..a0dae35 100644
--- a/arch/arm/probes/kprobes/test-arm.c
+++ b/arch/arm/probes/kprobes/test-arm.c
@@ -55,25 +55,25 @@
 	TEST_GROUP("Data-processing (register), (register-shifted register), (immediate)")
 
 #define _DATA_PROCESSING_DNM(op,s,val)						\
-	TEST_RR(  op "eq" s "	r0,  r",1, VAL1,", r",2, val, "")		\
-	TEST_RR(  op "ne" s "	r1,  r",1, VAL1,", r",2, val, ", lsl #3")	\
-	TEST_RR(  op "cs" s "	r2,  r",3, VAL1,", r",2, val, ", lsr #4")	\
-	TEST_RR(  op "cc" s "	r3,  r",3, VAL1,", r",2, val, ", asr #5")	\
-	TEST_RR(  op "mi" s "	r4,  r",5, VAL1,", r",2, N(val),", asr #6")	\
-	TEST_RR(  op "pl" s "	r5,  r",5, VAL1,", r",2, val, ", ror #7")	\
-	TEST_RR(  op "vs" s "	r6,  r",7, VAL1,", r",2, val, ", rrx")		\
-	TEST_R(   op "vc" s "	r6,  r",7, VAL1,", pc, lsl #3")			\
-	TEST_R(   op "vc" s "	r6,  r",7, VAL1,", sp, lsr #4")			\
-	TEST_R(   op "vc" s "	r6,  pc, r",7, VAL1,", asr #5")			\
-	TEST_R(   op "vc" s "	r6,  sp, r",7, VAL1,", ror #6")			\
-	TEST_RRR( op "hi" s "	r8,  r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\
-	TEST_RRR( op "ls" s "	r9,  r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\
-	TEST_RRR( op "ge" s "	r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\
-	TEST_RRR( op "lt" s "	r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\
-	TEST_RR(  op "gt" s "	r12, r13"       ", r",14,val, ", ror r",14,7,"")\
-	TEST_RR(  op "le" s "	r14, r",0, val, ", r13"       ", lsl r",14,8,"")\
-	TEST_R(   op "eq" s "	r0,  r",11,VAL1,", #0xf5")			\
-	TEST_R(   op "ne" s "	r11, r",0, VAL1,", #0xf5000000")		\
+	TEST_RR(  op s "eq	r0,  r",1, VAL1,", r",2, val, "")		\
+	TEST_RR(  op s "ne	r1,  r",1, VAL1,", r",2, val, ", lsl #3")	\
+	TEST_RR(  op s "cs	r2,  r",3, VAL1,", r",2, val, ", lsr #4")	\
+	TEST_RR(  op s "cc	r3,  r",3, VAL1,", r",2, val, ", asr #5")	\
+	TEST_RR(  op s "mi	r4,  r",5, VAL1,", r",2, N(val),", asr #6")	\
+	TEST_RR(  op s "pl	r5,  r",5, VAL1,", r",2, val, ", ror #7")	\
+	TEST_RR(  op s "vs	r6,  r",7, VAL1,", r",2, val, ", rrx")		\
+	TEST_R(   op s "vc	r6,  r",7, VAL1,", pc, lsl #3")			\
+	TEST_R(   op s "vc	r6,  r",7, VAL1,", sp, lsr #4")			\
+	TEST_R(   op s "vc	r6,  pc, r",7, VAL1,", asr #5")			\
+	TEST_R(   op s "vc	r6,  sp, r",7, VAL1,", ror #6")			\
+	TEST_RRR( op s "hi	r8,  r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\
+	TEST_RRR( op s "ls	r9,  r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\
+	TEST_RRR( op s "ge	r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\
+	TEST_RRR( op s "lt	r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\
+	TEST_RR(  op s "gt	r12, r13"       ", r",14,val, ", ror r",14,7,"")\
+	TEST_RR(  op s "le	r14, r",0, val, ", r13"       ", lsl r",14,8,"")\
+	TEST_R(   op s "eq	r0,  r",11,VAL1,", #0xf5")			\
+	TEST_R(   op s "ne	r11, r",0, VAL1,", #0xf5000000")		\
 	TEST_R(   op s "	r7,  r",8, VAL2,", #0x000af000")		\
 	TEST(     op s "	r4,  pc"        ", #0x00005a00")
 
@@ -104,23 +104,23 @@
 	TEST_R(   op "	r",8, VAL2,", #0x000af000")
 
 #define _DATA_PROCESSING_DM(op,s,val)					\
-	TEST_R(   op "eq" s "	r0,  r",1, val, "")			\
-	TEST_R(   op "ne" s "	r1,  r",1, val, ", lsl #3")		\
-	TEST_R(   op "cs" s "	r2,  r",3, val, ", lsr #4")		\
-	TEST_R(   op "cc" s "	r3,  r",3, val, ", asr #5")		\
-	TEST_R(   op "mi" s "	r4,  r",5, N(val),", asr #6")		\
-	TEST_R(   op "pl" s "	r5,  r",5, val, ", ror #7")		\
-	TEST_R(   op "vs" s "	r6,  r",10,val, ", rrx")		\
-	TEST(     op "vs" s "	r7,  pc, lsl #3")			\
-	TEST(     op "vs" s "	r7,  sp, lsr #4")			\
-	TEST_RR(  op "vc" s "	r8,  r",7, val, ", lsl r",0, 3,"")	\
-	TEST_RR(  op "hi" s "	r9,  r",9, val, ", lsr r",7, 4,"")	\
-	TEST_RR(  op "ls" s "	r10, r",9, val, ", asr r",7, 5,"")	\
-	TEST_RR(  op "ge" s "	r11, r",11,N(val),", asr r",7, 6,"")	\
-	TEST_RR(  op "lt" s "	r12, r",11,val, ", ror r",14,7,"")	\
-	TEST_R(   op "gt" s "	r14, r13"       ", lsl r",14,8,"")	\
-	TEST(     op "eq" s "	r0,  #0xf5")				\
-	TEST(     op "ne" s "	r11, #0xf5000000")			\
+	TEST_R(   op s "eq	r0,  r",1, val, "")			\
+	TEST_R(   op s "ne	r1,  r",1, val, ", lsl #3")		\
+	TEST_R(   op s "cs	r2,  r",3, val, ", lsr #4")		\
+	TEST_R(   op s "cc	r3,  r",3, val, ", asr #5")		\
+	TEST_R(   op s "mi	r4,  r",5, N(val),", asr #6")		\
+	TEST_R(   op s "pl	r5,  r",5, val, ", ror #7")		\
+	TEST_R(   op s "vs	r6,  r",10,val, ", rrx")		\
+	TEST(     op s "vs	r7,  pc, lsl #3")			\
+	TEST(     op s "vs	r7,  sp, lsr #4")			\
+	TEST_RR(  op s "vc	r8,  r",7, val, ", lsl r",0, 3,"")	\
+	TEST_RR(  op s "hi	r9,  r",9, val, ", lsr r",7, 4,"")	\
+	TEST_RR(  op s "ls	r10, r",9, val, ", asr r",7, 5,"")	\
+	TEST_RR(  op s "ge	r11, r",11,N(val),", asr r",7, 6,"")	\
+	TEST_RR(  op s "lt	r12, r",11,val, ", ror r",14,7,"")	\
+	TEST_R(   op s "gt	r14, r13"       ", lsl r",14,8,"")	\
+	TEST(     op s "eq	r0,  #0xf5")				\
+	TEST(     op s "ne	r11, #0xf5000000")			\
 	TEST(     op s "	r7,  #0x000af000")			\
 	TEST(     op s "	r4,  #0x00005a00")
 
@@ -166,10 +166,10 @@
 
 	/* Data-processing with PC as a target and status registers updated */
 	TEST_UNSUPPORTED("movs	pc, r1")
-	TEST_UNSUPPORTED("movs	pc, r1, lsl r2")
+	TEST_UNSUPPORTED(__inst_arm(0xe1b0f211) "	@movs	pc, r1, lsl r2")
 	TEST_UNSUPPORTED("movs	pc, #0x10000")
 	TEST_UNSUPPORTED("adds	pc, lr, r1")
-	TEST_UNSUPPORTED("adds	pc, lr, r1, lsl r2")
+	TEST_UNSUPPORTED(__inst_arm(0xe09ef211) "	@adds	pc, lr, r1, lsl r2")
 	TEST_UNSUPPORTED("adds	pc, lr, #4")
 
 	/* Data-processing with SP as target */
@@ -352,7 +352,7 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe000029f) " @ mul r0, pc, r2")
 	TEST_UNSUPPORTED(__inst_arm(0xe0000f91) " @ mul r0, r1, pc")
 	TEST_RR(    "muls	r0, r",1, VAL1,", r",2, VAL2,"")
-	TEST_RR(    "mullss	r7, r",8, VAL2,", r",9, VAL2,"")
+	TEST_RR(    "mulsls	r7, r",8, VAL2,", r",9, VAL2,"")
 	TEST_R(     "muls	lr, r",4, VAL3,", r13")
 	TEST_UNSUPPORTED(__inst_arm(0xe01f0291) " @ muls pc, r1, r2")
 
@@ -361,7 +361,7 @@
 	TEST_RR(     "mla	lr, r",1, VAL2,", r",2, VAL3,", r13")
 	TEST_UNSUPPORTED(__inst_arm(0xe02f3291) " @ mla pc, r1, r2, r3")
 	TEST_RRR(    "mlas	r0, r",1, VAL1,", r",2, VAL2,", r",3,  VAL3,"")
-	TEST_RRR(    "mlahis	r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
+	TEST_RRR(    "mlashi	r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
 	TEST_RR(     "mlas	lr, r",1, VAL2,", r",2, VAL3,", r13")
 	TEST_UNSUPPORTED(__inst_arm(0xe03f3291) " @ mlas pc, r1, r2, r3")
 
@@ -394,7 +394,7 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe081f392) " @ umull pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe08f1392) " @ umull r1, pc, r2, r3")
 	TEST_RR(  "umulls	r0, r1, r",2, VAL1,", r",3, VAL2,"")
-	TEST_RR(  "umulllss	r7, r8, r",9, VAL2,", r",10, VAL1,"")
+	TEST_RR(  "umullsls	r7, r8, r",9, VAL2,", r",10, VAL1,"")
 	TEST_R(   "umulls	lr, r12, r",11,VAL3,", r13")
 	TEST_UNSUPPORTED(__inst_arm(0xe091f392) " @ umulls pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe09f1392) " @ umulls r1, pc, r2, r3")
@@ -405,7 +405,7 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe0af1392) " @ umlal pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe0a1f392) " @ umlal r1, pc, r2, r3")
 	TEST_RRRR(  "umlals	r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4)
-	TEST_RRRR(  "umlalles	r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
+	TEST_RRRR(  "umlalsle	r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
 	TEST_RRR(   "umlals	r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13")
 	TEST_UNSUPPORTED(__inst_arm(0xe0bf1392) " @ umlals pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe0b1f392) " @ umlals r1, pc, r2, r3")
@@ -416,7 +416,7 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe0c1f392) " @ smull pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe0cf1392) " @ smull r1, pc, r2, r3")
 	TEST_RR(  "smulls	r0, r1, r",2, VAL1,", r",3, VAL2,"")
-	TEST_RR(  "smulllss	r7, r8, r",9, VAL2,", r",10, VAL1,"")
+	TEST_RR(  "smullsls	r7, r8, r",9, VAL2,", r",10, VAL1,"")
 	TEST_R(   "smulls	lr, r12, r",11,VAL3,", r13")
 	TEST_UNSUPPORTED(__inst_arm(0xe0d1f392) " @ smulls pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe0df1392) " @ smulls r1, pc, r2, r3")
@@ -427,7 +427,7 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe0ef1392) " @ smlal pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe0e1f392) " @ smlal r1, pc, r2, r3")
 	TEST_RRRR(  "smlals	r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4)
-	TEST_RRRR(  "smlalles	r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
+	TEST_RRRR(  "smlalsle	r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
 	TEST_RRR(   "smlals	r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13")
 	TEST_UNSUPPORTED(__inst_arm(0xe0ff1392) " @ smlals pc, r1, r2, r3")
 	TEST_UNSUPPORTED(__inst_arm(0xe0f0f392) " @ smlals r0, pc, r2, r3")
@@ -450,7 +450,7 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe10f0091) " @ swp r0, r1, [pc]")
 #if __LINUX_ARM_ARCH__ < 6
 	TEST_RP("swpb	lr, r",7,VAL2,", [r",8,0,"]")
-	TEST_R( "swpvsb	r0, r",1,VAL1,", [sp]")
+	TEST_R( "swpbvs	r0, r",1,VAL1,", [sp]")
 #else
 	TEST_UNSUPPORTED(__inst_arm(0xe148e097) " @ swpb	lr, r7, [r8]")
 	TEST_UNSUPPORTED(__inst_arm(0x614d0091) " @ swpvsb	r0, r1, [sp]")
@@ -477,11 +477,11 @@
 	TEST_GROUP("Extra load/store instructions")
 
 	TEST_RPR(  "strh	r",0, VAL1,", [r",1, 48,", -r",2, 24,"]")
-	TEST_RPR(  "streqh	r",14,VAL2,", [r",11,0, ", r",12, 48,"]")
-	TEST_UNSUPPORTED(  "streqh	r14, [r13, r12]")
-	TEST_UNSUPPORTED(  "streqh	r14, [r12, r13]")
+	TEST_RPR(  "strheq	r",14,VAL2,", [r",11,0, ", r",12, 48,"]")
+	TEST_UNSUPPORTED(  "strheq	r14, [r13, r12]")
+	TEST_UNSUPPORTED(  "strheq	r14, [r12, r13]")
 	TEST_RPR(  "strh	r",1, VAL1,", [r",2, 24,", r",3,  48,"]!")
-	TEST_RPR(  "strneh	r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
+	TEST_RPR(  "strhne	r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
 	TEST_RPR(  "strh	r",2, VAL1,", [r",3, 24,"], r",4, 48,"")
 	TEST_RPR(  "strh	r",10,VAL2,", [r",9, 48,"], -r",11,24,"")
 	TEST_UNSUPPORTED(__inst_arm(0xe1afc0ba) "	@ strh r12, [pc, r10]!")
@@ -489,9 +489,9 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe089a0bf) "	@ strh r10, [r9], pc")
 
 	TEST_PR(   "ldrh	r0, [r",0,  48,", -r",2, 24,"]")
-	TEST_PR(   "ldrcsh	r14, [r",13,0, ", r",12, 48,"]")
+	TEST_PR(   "ldrhcs	r14, [r",13,0, ", r",12, 48,"]")
 	TEST_PR(   "ldrh	r1, [r",2,  24,", r",3,  48,"]!")
-	TEST_PR(   "ldrcch	r12, [r",11,48,", -r",10,24,"]!")
+	TEST_PR(   "ldrhcc	r12, [r",11,48,", -r",10,24,"]!")
 	TEST_PR(   "ldrh	r2, [r",3,  24,"], r",4, 48,"")
 	TEST_PR(   "ldrh	r10, [r",9, 48,"], -r",11,24,"")
 	TEST_UNSUPPORTED(__inst_arm(0xe1bfc0ba) "	@ ldrh r12, [pc, r10]!")
@@ -499,9 +499,9 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe099a0bf) "	@ ldrh r10, [r9], pc")
 
 	TEST_RP(   "strh	r",0, VAL1,", [r",1, 24,", #-2]")
-	TEST_RP(   "strmih	r",14,VAL2,", [r",13,0, ", #2]")
+	TEST_RP(   "strhmi	r",14,VAL2,", [r",13,0, ", #2]")
 	TEST_RP(   "strh	r",1, VAL1,", [r",2, 24,", #4]!")
-	TEST_RP(   "strplh	r",12,VAL2,", [r",11,24,", #-4]!")
+	TEST_RP(   "strhpl	r",12,VAL2,", [r",11,24,", #-4]!")
 	TEST_RP(   "strh	r",2, VAL1,", [r",3, 24,"], #48")
 	TEST_RP(   "strh	r",10,VAL2,", [r",9, 64,"], #-48")
 	TEST_RP(   "strh	r",3, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!")
@@ -511,9 +511,9 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe0c9f3b0) "	@ strh pc, [r9], #48")
 
 	TEST_P(	   "ldrh	r0, [r",0,  24,", #-2]")
-	TEST_P(	   "ldrvsh	r14, [r",13,0, ", #2]")
+	TEST_P(	   "ldrhvs	r14, [r",13,0, ", #2]")
 	TEST_P(	   "ldrh	r1, [r",2,  24,", #4]!")
-	TEST_P(	   "ldrvch	r12, [r",11,24,", #-4]!")
+	TEST_P(	   "ldrhvc	r12, [r",11,24,", #-4]!")
 	TEST_P(	   "ldrh	r2, [r",3,  24,"], #48")
 	TEST_P(	   "ldrh	r10, [r",9, 64,"], #-48")
 	TEST(      "ldrh	r0, [pc, #0]")
@@ -521,18 +521,18 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe0d9f3b0) "	@ ldrh pc, [r9], #48")
 
 	TEST_PR(   "ldrsb	r0, [r",0,  48,", -r",2, 24,"]")
-	TEST_PR(   "ldrhisb	r14, [r",13,0,", r",12,  48,"]")
+	TEST_PR(   "ldrsbhi	r14, [r",13,0,", r",12,  48,"]")
 	TEST_PR(   "ldrsb	r1, [r",2,  24,", r",3,  48,"]!")
-	TEST_PR(   "ldrlssb	r12, [r",11,48,", -r",10,24,"]!")
+	TEST_PR(   "ldrsbls	r12, [r",11,48,", -r",10,24,"]!")
 	TEST_PR(   "ldrsb	r2, [r",3,  24,"], r",4, 48,"")
 	TEST_PR(   "ldrsb	r10, [r",9, 48,"], -r",11,24,"")
 	TEST_UNSUPPORTED(__inst_arm(0xe1bfc0da) "	@ ldrsb r12, [pc, r10]!")
 	TEST_UNSUPPORTED(__inst_arm(0xe099f0db) "	@ ldrsb pc, [r9], r11")
 
 	TEST_P(	   "ldrsb	r0, [r",0,  24,", #-1]")
-	TEST_P(	   "ldrgesb	r14, [r",13,0, ", #1]")
+	TEST_P(	   "ldrsbge	r14, [r",13,0, ", #1]")
 	TEST_P(	   "ldrsb	r1, [r",2,  24,", #4]!")
-	TEST_P(	   "ldrltsb	r12, [r",11,24,", #-4]!")
+	TEST_P(	   "ldrsblt	r12, [r",11,24,", #-4]!")
 	TEST_P(	   "ldrsb	r2, [r",3,  24,"], #48")
 	TEST_P(	   "ldrsb	r10, [r",9, 64,"], #-48")
 	TEST(      "ldrsb	r0, [pc, #0]")
@@ -540,18 +540,18 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe0d9f3d0) "	@ ldrsb pc, [r9], #48")
 
 	TEST_PR(   "ldrsh	r0, [r",0,  48,", -r",2, 24,"]")
-	TEST_PR(   "ldrgtsh	r14, [r",13,0, ", r",12, 48,"]")
+	TEST_PR(   "ldrshgt	r14, [r",13,0, ", r",12, 48,"]")
 	TEST_PR(   "ldrsh	r1, [r",2,  24,", r",3,  48,"]!")
-	TEST_PR(   "ldrlesh	r12, [r",11,48,", -r",10,24,"]!")
+	TEST_PR(   "ldrshle	r12, [r",11,48,", -r",10,24,"]!")
 	TEST_PR(   "ldrsh	r2, [r",3,  24,"], r",4, 48,"")
 	TEST_PR(   "ldrsh	r10, [r",9, 48,"], -r",11,24,"")
 	TEST_UNSUPPORTED(__inst_arm(0xe1bfc0fa) "	@ ldrsh r12, [pc, r10]!")
 	TEST_UNSUPPORTED(__inst_arm(0xe099f0fb) "	@ ldrsh pc, [r9], r11")
 
 	TEST_P(	   "ldrsh	r0, [r",0,  24,", #-1]")
-	TEST_P(	   "ldreqsh	r14, [r",13,0 ,", #1]")
+	TEST_P(	   "ldrsheq	r14, [r",13,0 ,", #1]")
 	TEST_P(	   "ldrsh	r1, [r",2,  24,", #4]!")
-	TEST_P(	   "ldrnesh	r12, [r",11,24,", #-4]!")
+	TEST_P(	   "ldrshne	r12, [r",11,24,", #-4]!")
 	TEST_P(	   "ldrsh	r2, [r",3,  24,"], #48")
 	TEST_P(	   "ldrsh	r10, [r",9, 64,"], #-48")
 	TEST(      "ldrsh	r0, [pc, #0]")
@@ -571,30 +571,30 @@
 
 #if __LINUX_ARM_ARCH__ >= 5
 	TEST_RPR(  "strd	r",0, VAL1,", [r",1, 48,", -r",2,24,"]")
-	TEST_RPR(  "strccd	r",8, VAL2,", [r",11,0, ", r",12,48,"]")
-	TEST_UNSUPPORTED(  "strccd r8, [r13, r12]")
-	TEST_UNSUPPORTED(  "strccd r8, [r12, r13]")
+	TEST_RPR(  "strdcc	r",8, VAL2,", [r",11,0, ", r",12,48,"]")
+	TEST_UNSUPPORTED(  "strdcc r8, [r13, r12]")
+	TEST_UNSUPPORTED(  "strdcc r8, [r12, r13]")
 	TEST_RPR(  "strd	r",4, VAL1,", [r",2, 24,", r",3, 48,"]!")
-	TEST_RPR(  "strcsd	r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
-	TEST_RPR(  "strd	r",2, VAL1,", [r",5, 24,"], r",4,48,"")
-	TEST_RPR(  "strd	r",10,VAL2,", [r",9, 48,"], -r",7,24,"")
+	TEST_RPR(  "strdcs	r",12,VAL2,", r13, [r",11,48,", -r",10,24,"]!")
+	TEST_RPR(  "strd	r",2, VAL1,", r3, [r",5, 24,"], r",4,48,"")
+	TEST_RPR(  "strd	r",10,VAL2,", r11, [r",9, 48,"], -r",7,24,"")
 	TEST_UNSUPPORTED(__inst_arm(0xe1afc0fa) "	@ strd r12, [pc, r10]!")
 
 	TEST_PR(   "ldrd	r0, [r",0, 48,", -r",2,24,"]")
-	TEST_PR(   "ldrmid	r8, [r",13,0, ", r",12,48,"]")
+	TEST_PR(   "ldrdmi	r8, [r",13,0, ", r",12,48,"]")
 	TEST_PR(   "ldrd	r4, [r",2, 24,", r",3, 48,"]!")
-	TEST_PR(   "ldrpld	r6, [r",11,48,", -r",10,24,"]!")
-	TEST_PR(   "ldrd	r2, [r",5, 24,"], r",4,48,"")
-	TEST_PR(   "ldrd	r10, [r",9,48,"], -r",7,24,"")
+	TEST_PR(   "ldrdpl	r6, [r",11,48,", -r",10,24,"]!")
+	TEST_PR(   "ldrd	r2, r3, [r",5, 24,"], r",4,48,"")
+	TEST_PR(   "ldrd	r10, r11, [r",9,48,"], -r",7,24,"")
 	TEST_UNSUPPORTED(__inst_arm(0xe1afc0da) "	@ ldrd r12, [pc, r10]!")
 	TEST_UNSUPPORTED(__inst_arm(0xe089f0db) "	@ ldrd pc, [r9], r11")
 	TEST_UNSUPPORTED(__inst_arm(0xe089e0db) "	@ ldrd lr, [r9], r11")
 	TEST_UNSUPPORTED(__inst_arm(0xe089c0df) "	@ ldrd r12, [r9], pc")
 
 	TEST_RP(   "strd	r",0, VAL1,", [r",1, 24,", #-8]")
-	TEST_RP(   "strvsd	r",8, VAL2,", [r",13,0, ", #8]")
+	TEST_RP(   "strdvs	r",8, VAL2,", [r",13,0, ", #8]")
 	TEST_RP(   "strd	r",4, VAL1,", [r",2, 24,", #16]!")
-	TEST_RP(   "strvcd	r",12,VAL2,", [r",11,24,", #-16]!")
+	TEST_RP(   "strdvc	r",12,VAL2,", r13, [r",11,24,", #-16]!")
 	TEST_RP(   "strd	r",2, VAL1,", [r",4, 24,"], #48")
 	TEST_RP(   "strd	r",10,VAL2,", [r",9, 64,"], #-48")
 	TEST_RP(   "strd	r",6, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!")
@@ -603,9 +603,9 @@
 	TEST_UNSUPPORTED(__inst_arm(0xe1efc3f0) "	@ strd r12, [pc, #48]!")
 
 	TEST_P(	   "ldrd	r0, [r",0, 24,", #-8]")
-	TEST_P(	   "ldrhid	r8, [r",13,0, ", #8]")
+	TEST_P(	   "ldrdhi	r8, [r",13,0, ", #8]")
 	TEST_P(	   "ldrd	r4, [r",2, 24,", #16]!")
-	TEST_P(	   "ldrlsd	r6, [r",11,24,", #-16]!")
+	TEST_P(	   "ldrdls	r6, [r",11,24,", #-16]!")
 	TEST_P(	   "ldrd	r2, [r",5, 24,"], #48")
 	TEST_P(	   "ldrd	r10, [r",9,6,"], #-48")
 	TEST_UNSUPPORTED(__inst_arm(0xe1efc3d0) "	@ ldrd r12, [pc, #48]!")
@@ -1084,63 +1084,63 @@
 	TEST_GROUP("Branch, branch with link, and block data transfer")
 
 	TEST_P(   "stmda	r",0, 16*4,", {r0}")
-	TEST_P(   "stmeqda	r",4, 16*4,", {r0-r15}")
-	TEST_P(   "stmneda	r",8, 16*4,"!, {r8-r15}")
+	TEST_P(   "stmdaeq	r",4, 16*4,", {r0-r15}")
+	TEST_P(   "stmdane	r",8, 16*4,"!, {r8-r15}")
 	TEST_P(   "stmda	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_P(   "stmda	r",13,0,   "!, {pc}")
 
 	TEST_P(   "ldmda	r",0, 16*4,", {r0}")
-	TEST_BF_P("ldmcsda	r",4, 15*4,", {r0-r15}")
-	TEST_BF_P("ldmccda	r",7, 15*4,"!, {r8-r15}")
+	TEST_BF_P("ldmdacs	r",4, 15*4,", {r0-r15}")
+	TEST_BF_P("ldmdacc	r",7, 15*4,"!, {r8-r15}")
 	TEST_P(   "ldmda	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_BF_P("ldmda	r",14,15*4,"!, {pc}")
 
 	TEST_P(   "stmia	r",0, 16*4,", {r0}")
-	TEST_P(   "stmmiia	r",4, 16*4,", {r0-r15}")
-	TEST_P(   "stmplia	r",8, 16*4,"!, {r8-r15}")
+	TEST_P(   "stmiami	r",4, 16*4,", {r0-r15}")
+	TEST_P(   "stmiapl	r",8, 16*4,"!, {r8-r15}")
 	TEST_P(   "stmia	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_P(   "stmia	r",14,0,   "!, {pc}")
 
 	TEST_P(   "ldmia	r",0, 16*4,", {r0}")
-	TEST_BF_P("ldmvsia	r",4, 0,   ", {r0-r15}")
-	TEST_BF_P("ldmvcia	r",7, 8*4, "!, {r8-r15}")
+	TEST_BF_P("ldmiavs	r",4, 0,   ", {r0-r15}")
+	TEST_BF_P("ldmiavc	r",7, 8*4, "!, {r8-r15}")
 	TEST_P(   "ldmia	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_BF_P("ldmia	r",14,15*4,"!, {pc}")
 
 	TEST_P(   "stmdb	r",0, 16*4,", {r0}")
-	TEST_P(   "stmhidb	r",4, 16*4,", {r0-r15}")
-	TEST_P(   "stmlsdb	r",8, 16*4,"!, {r8-r15}")
+	TEST_P(   "stmdbhi	r",4, 16*4,", {r0-r15}")
+	TEST_P(   "stmdbls	r",8, 16*4,"!, {r8-r15}")
 	TEST_P(   "stmdb	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_P(   "stmdb	r",13,4,   "!, {pc}")
 
 	TEST_P(   "ldmdb	r",0, 16*4,", {r0}")
-	TEST_BF_P("ldmgedb	r",4, 16*4,", {r0-r15}")
-	TEST_BF_P("ldmltdb	r",7, 16*4,"!, {r8-r15}")
+	TEST_BF_P("ldmdbge	r",4, 16*4,", {r0-r15}")
+	TEST_BF_P("ldmdblt	r",7, 16*4,"!, {r8-r15}")
 	TEST_P(   "ldmdb	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_BF_P("ldmdb	r",14,16*4,"!, {pc}")
 
 	TEST_P(   "stmib	r",0, 16*4,", {r0}")
-	TEST_P(   "stmgtib	r",4, 16*4,", {r0-r15}")
-	TEST_P(   "stmleib	r",8, 16*4,"!, {r8-r15}")
+	TEST_P(   "stmibgt	r",4, 16*4,", {r0-r15}")
+	TEST_P(   "stmible	r",8, 16*4,"!, {r8-r15}")
 	TEST_P(   "stmib	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_P(   "stmib	r",13,-4,  "!, {pc}")
 
 	TEST_P(   "ldmib	r",0, 16*4,", {r0}")
-	TEST_BF_P("ldmeqib	r",4, -4,", {r0-r15}")
-	TEST_BF_P("ldmneib	r",7, 7*4,"!, {r8-r15}")
+	TEST_BF_P("ldmibeq	r",4, -4,", {r0-r15}")
+	TEST_BF_P("ldmibne	r",7, 7*4,"!, {r8-r15}")
 	TEST_P(   "ldmib	r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
 	TEST_BF_P("ldmib	r",14,14*4,"!, {pc}")
 
 	TEST_P(   "stmdb	r",13,16*4,"!, {r3-r12,lr}")
-	TEST_P(	  "stmeqdb	r",13,16*4,"!, {r3-r12}")
-	TEST_P(   "stmnedb	r",2, 16*4,", {r3-r12,lr}")
+	TEST_P(	  "stmdbeq	r",13,16*4,"!, {r3-r12}")
+	TEST_P(   "stmdbne	r",2, 16*4,", {r3-r12,lr}")
 	TEST_P(   "stmdb	r",13,16*4,"!, {r2-r12,lr}")
 	TEST_P(   "stmdb	r",0, 16*4,", {r0-r12}")
 	TEST_P(   "stmdb	r",0, 16*4,", {r0-r12,lr}")
 
 	TEST_BF_P("ldmia	r",13,5*4, "!, {r3-r12,pc}")
-	TEST_P(	  "ldmccia	r",13,5*4, "!, {r3-r12}")
-	TEST_BF_P("ldmcsia	r",2, 5*4, "!, {r3-r12,pc}")
+	TEST_P(	  "ldmiacc	r",13,5*4, "!, {r3-r12}")
+	TEST_BF_P("ldmiacs	r",2, 5*4, "!, {r3-r12,pc}")
 	TEST_BF_P("ldmia	r",13,4*4, "!, {r2-r12,pc}")
 	TEST_P(   "ldmia	r",0, 16*4,", {r0-r12}")
 	TEST_P(   "ldmia	r",0, 16*4,", {r0-r12,lr}")
@@ -1174,80 +1174,80 @@
 #define TEST_COPROCESSOR(code) TEST_UNSUPPORTED(code)
 
 #define COPROCESSOR_INSTRUCTIONS_ST_LD(two,cc)					\
-	TEST_COPROCESSOR("stc"two"	0, cr0, [r13, #4]")			\
-	TEST_COPROCESSOR("stc"two"	0, cr0, [r13, #-4]")			\
-	TEST_COPROCESSOR("stc"two"	0, cr0, [r13, #4]!")			\
-	TEST_COPROCESSOR("stc"two"	0, cr0, [r13, #-4]!")			\
-	TEST_COPROCESSOR("stc"two"	0, cr0, [r13], #4")			\
-	TEST_COPROCESSOR("stc"two"	0, cr0, [r13], #-4")			\
-	TEST_COPROCESSOR("stc"two"	0, cr0, [r13], {1}")			\
-	TEST_COPROCESSOR("stc"two"l	0, cr0, [r13, #4]")			\
-	TEST_COPROCESSOR("stc"two"l	0, cr0, [r13, #-4]")			\
-	TEST_COPROCESSOR("stc"two"l	0, cr0, [r13, #4]!")			\
-	TEST_COPROCESSOR("stc"two"l	0, cr0, [r13, #-4]!")			\
-	TEST_COPROCESSOR("stc"two"l	0, cr0, [r13], #4")			\
-	TEST_COPROCESSOR("stc"two"l	0, cr0, [r13], #-4")			\
-	TEST_COPROCESSOR("stc"two"l	0, cr0, [r13], {1}")			\
-	TEST_COPROCESSOR("ldc"two"	0, cr0, [r13, #4]")			\
-	TEST_COPROCESSOR("ldc"two"	0, cr0, [r13, #-4]")			\
-	TEST_COPROCESSOR("ldc"two"	0, cr0, [r13, #4]!")			\
-	TEST_COPROCESSOR("ldc"two"	0, cr0, [r13, #-4]!")			\
-	TEST_COPROCESSOR("ldc"two"	0, cr0, [r13], #4")			\
-	TEST_COPROCESSOR("ldc"two"	0, cr0, [r13], #-4")			\
-	TEST_COPROCESSOR("ldc"two"	0, cr0, [r13], {1}")			\
-	TEST_COPROCESSOR("ldc"two"l	0, cr0, [r13, #4]")			\
-	TEST_COPROCESSOR("ldc"two"l	0, cr0, [r13, #-4]")			\
-	TEST_COPROCESSOR("ldc"two"l	0, cr0, [r13, #4]!")			\
-	TEST_COPROCESSOR("ldc"two"l	0, cr0, [r13, #-4]!")			\
-	TEST_COPROCESSOR("ldc"two"l	0, cr0, [r13], #4")			\
-	TEST_COPROCESSOR("ldc"two"l	0, cr0, [r13], #-4")			\
-	TEST_COPROCESSOR("ldc"two"l	0, cr0, [r13], {1}")			\
+	TEST_COPROCESSOR("stc"two"	p0, cr0, [r13, #4]")			\
+	TEST_COPROCESSOR("stc"two"	p0, cr0, [r13, #-4]")			\
+	TEST_COPROCESSOR("stc"two"	p0, cr0, [r13, #4]!")			\
+	TEST_COPROCESSOR("stc"two"	p0, cr0, [r13, #-4]!")			\
+	TEST_COPROCESSOR("stc"two"	p0, cr0, [r13], #4")			\
+	TEST_COPROCESSOR("stc"two"	p0, cr0, [r13], #-4")			\
+	TEST_COPROCESSOR("stc"two"	p0, cr0, [r13], {1}")			\
+	TEST_COPROCESSOR("stc"two"l	p0, cr0, [r13, #4]")			\
+	TEST_COPROCESSOR("stc"two"l	p0, cr0, [r13, #-4]")			\
+	TEST_COPROCESSOR("stc"two"l	p0, cr0, [r13, #4]!")			\
+	TEST_COPROCESSOR("stc"two"l	p0, cr0, [r13, #-4]!")			\
+	TEST_COPROCESSOR("stc"two"l	p0, cr0, [r13], #4")			\
+	TEST_COPROCESSOR("stc"two"l	p0, cr0, [r13], #-4")			\
+	TEST_COPROCESSOR("stc"two"l	p0, cr0, [r13], {1}")			\
+	TEST_COPROCESSOR("ldc"two"	p0, cr0, [r13, #4]")			\
+	TEST_COPROCESSOR("ldc"two"	p0, cr0, [r13, #-4]")			\
+	TEST_COPROCESSOR("ldc"two"	p0, cr0, [r13, #4]!")			\
+	TEST_COPROCESSOR("ldc"two"	p0, cr0, [r13, #-4]!")			\
+	TEST_COPROCESSOR("ldc"two"	p0, cr0, [r13], #4")			\
+	TEST_COPROCESSOR("ldc"two"	p0, cr0, [r13], #-4")			\
+	TEST_COPROCESSOR("ldc"two"	p0, cr0, [r13], {1}")			\
+	TEST_COPROCESSOR("ldc"two"l	p0, cr0, [r13, #4]")			\
+	TEST_COPROCESSOR("ldc"two"l	p0, cr0, [r13, #-4]")			\
+	TEST_COPROCESSOR("ldc"two"l	p0, cr0, [r13, #4]!")			\
+	TEST_COPROCESSOR("ldc"two"l	p0, cr0, [r13, #-4]!")			\
+	TEST_COPROCESSOR("ldc"two"l	p0, cr0, [r13], #4")			\
+	TEST_COPROCESSOR("ldc"two"l	p0, cr0, [r13], #-4")			\
+	TEST_COPROCESSOR("ldc"two"l	p0, cr0, [r13], {1}")			\
 										\
-	TEST_COPROCESSOR( "stc"two"	0, cr0, [r15, #4]")			\
-	TEST_COPROCESSOR( "stc"two"	0, cr0, [r15, #-4]")			\
+	TEST_COPROCESSOR( "stc"two"	p0, cr0, [r15, #4]")			\
+	TEST_COPROCESSOR( "stc"two"	p0, cr0, [r15, #-4]")			\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##daf0001) "	@ stc"two"	0, cr0, [r15, #4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##d2f0001) "	@ stc"two"	0, cr0, [r15, #-4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##caf0001) "	@ stc"two"	0, cr0, [r15], #4")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c2f0001) "	@ stc"two"	0, cr0, [r15], #-4")	\
-	TEST_COPROCESSOR( "stc"two"	0, cr0, [r15], {1}")			\
-	TEST_COPROCESSOR( "stc"two"l	0, cr0, [r15, #4]")			\
-	TEST_COPROCESSOR( "stc"two"l	0, cr0, [r15, #-4]")			\
+	TEST_COPROCESSOR( "stc"two"	p0, cr0, [r15], {1}")			\
+	TEST_COPROCESSOR( "stc"two"l	p0, cr0, [r15, #4]")			\
+	TEST_COPROCESSOR( "stc"two"l	p0, cr0, [r15, #-4]")			\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##def0001) "	@ stc"two"l	0, cr0, [r15, #4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##d6f0001) "	@ stc"two"l	0, cr0, [r15, #-4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##cef0001) "	@ stc"two"l	0, cr0, [r15], #4")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c6f0001) "	@ stc"two"l	0, cr0, [r15], #-4")	\
-	TEST_COPROCESSOR( "stc"two"l	0, cr0, [r15], {1}")			\
-	TEST_COPROCESSOR( "ldc"two"	0, cr0, [r15, #4]")			\
-	TEST_COPROCESSOR( "ldc"two"	0, cr0, [r15, #-4]")			\
+	TEST_COPROCESSOR( "stc"two"l	p0, cr0, [r15], {1}")			\
+	TEST_COPROCESSOR( "ldc"two"	p0, cr0, [r15, #4]")			\
+	TEST_COPROCESSOR( "ldc"two"	p0, cr0, [r15, #-4]")			\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##dbf0001) "	@ ldc"two"	0, cr0, [r15, #4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##d3f0001) "	@ ldc"two"	0, cr0, [r15, #-4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##cbf0001) "	@ ldc"two"	0, cr0, [r15], #4")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c3f0001) "	@ ldc"two"	0, cr0, [r15], #-4")	\
-	TEST_COPROCESSOR( "ldc"two"	0, cr0, [r15], {1}")			\
-	TEST_COPROCESSOR( "ldc"two"l	0, cr0, [r15, #4]")			\
-	TEST_COPROCESSOR( "ldc"two"l	0, cr0, [r15, #-4]")			\
+	TEST_COPROCESSOR( "ldc"two"	p0, cr0, [r15], {1}")			\
+	TEST_COPROCESSOR( "ldc"two"l	p0, cr0, [r15, #4]")			\
+	TEST_COPROCESSOR( "ldc"two"l	p0, cr0, [r15, #-4]")			\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##dff0001) "	@ ldc"two"l	0, cr0, [r15, #4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##d7f0001) "	@ ldc"two"l	0, cr0, [r15, #-4]!")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##cff0001) "	@ ldc"two"l	0, cr0, [r15], #4")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c7f0001) "	@ ldc"two"l	0, cr0, [r15], #-4")	\
-	TEST_COPROCESSOR( "ldc"two"l	0, cr0, [r15], {1}")
+	TEST_COPROCESSOR( "ldc"two"l	p0, cr0, [r15], {1}")
 
 #define COPROCESSOR_INSTRUCTIONS_MC_MR(two,cc)					\
 										\
-	TEST_COPROCESSOR( "mcrr"two"	0, 15, r0, r14, cr0")			\
-	TEST_COPROCESSOR( "mcrr"two"	15, 0, r14, r0, cr15")			\
+	TEST_COPROCESSOR( "mcrr"two"	p0, 15, r0, r14, cr0")			\
+	TEST_COPROCESSOR( "mcrr"two"	p15, 0, r14, r0, cr15")			\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c4f00f0) "	@ mcrr"two"	0, 15, r0, r15, cr0")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c40ff0f) "	@ mcrr"two"	15, 0, r15, r0, cr15")	\
-	TEST_COPROCESSOR( "mrrc"two"	0, 15, r0, r14, cr0")			\
-	TEST_COPROCESSOR( "mrrc"two"	15, 0, r14, r0, cr15")			\
+	TEST_COPROCESSOR( "mrrc"two"	p0, 15, r0, r14, cr0")			\
+	TEST_COPROCESSOR( "mrrc"two"	p15, 0, r14, r0, cr15")			\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c5f00f0) "	@ mrrc"two"	0, 15, r0, r15, cr0")	\
 	TEST_UNSUPPORTED(__inst_arm(0x##cc##c50ff0f) "	@ mrrc"two"	15, 0, r15, r0, cr15")	\
-	TEST_COPROCESSOR( "cdp"two"	15, 15, cr15, cr15, cr15, 7")		\
-	TEST_COPROCESSOR( "cdp"two"	0, 0, cr0, cr0, cr0, 0")		\
-	TEST_COPROCESSOR( "mcr"two"	15, 7, r15, cr15, cr15, 7")		\
-	TEST_COPROCESSOR( "mcr"two"	0, 0, r0, cr0, cr0, 0")			\
-	TEST_COPROCESSOR( "mrc"two"	15, 7, r15, cr15, cr15, 7")		\
-	TEST_COPROCESSOR( "mrc"two"	0, 0, r0, cr0, cr0, 0")
+	TEST_COPROCESSOR( "cdp"two"	p15, 15, cr15, cr15, cr15, 7")		\
+	TEST_COPROCESSOR( "cdp"two"	p0, 0, cr0, cr0, cr0, 0")		\
+	TEST_COPROCESSOR( "mcr"two"	p15, 7, r15, cr15, cr15, 7")		\
+	TEST_COPROCESSOR( "mcr"two"	p0, 0, r0, cr0, cr0, 0")		\
+	TEST_COPROCESSOR( "mrc"two"	p15, 7, r14, cr15, cr15, 7")		\
+	TEST_COPROCESSOR( "mrc"two"	p0, 0, r0, cr0, cr0, 0")
 
 	COPROCESSOR_INSTRUCTIONS_ST_LD("",e)
 #if __LINUX_ARM_ARCH__ >= 5
diff --git a/arch/arm/probes/kprobes/test-core.h b/arch/arm/probes/kprobes/test-core.h
index 805116c..7054d9f 100644
--- a/arch/arm/probes/kprobes/test-core.h
+++ b/arch/arm/probes/kprobes/test-core.h
@@ -108,6 +108,7 @@
 
 #define TESTCASE_START(title)					\
 	__asm__ __volatile__ (					\
+	".syntax unified				\n\t"	\
 	"bl	__kprobes_test_case_start		\n\t"	\
 	".pushsection .rodata				\n\t"	\
 	"10:						\n\t"	\
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
index d056a54..ee8207e 100644
--- a/arch/arm/tools/syscall.tbl
+++ b/arch/arm/tools/syscall.tbl
@@ -454,3 +454,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 518c755..5338df9 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -29,6 +29,7 @@
 #include <linux/cpu.h>
 #include <linux/console.h>
 #include <linux/pvclock_gtod.h>
+#include <linux/reboot.h>
 #include <linux/time64.h>
 #include <linux/timekeeping.h>
 #include <linux/timekeeper_internal.h>
@@ -158,6 +159,9 @@
 	BUG_ON(err);
 	per_cpu(xen_vcpu, cpu) = vcpup;
 
+	if (!xen_kernel_unmapped_at_usr())
+		xen_setup_runstate_info(cpu);
+
 after_register_vcpu_info:
 	enable_percpu_irq(xen_events_irq, 0);
 	return 0;
@@ -178,11 +182,18 @@
 	BUG_ON(rc);
 }
 
-static void xen_restart(enum reboot_mode reboot_mode, const char *cmd)
+static int xen_restart(struct notifier_block *nb, unsigned long action,
+		       void *data)
 {
 	xen_reboot(SHUTDOWN_reboot);
+
+	return NOTIFY_DONE;
 }
 
+static struct notifier_block xen_restart_nb = {
+	.notifier_call = xen_restart,
+	.priority = 192,
+};
 
 static void xen_power_off(void)
 {
@@ -384,6 +395,9 @@
 		return -EINVAL;
 	}
 
+	if (!xen_kernel_unmapped_at_usr())
+		xen_time_setup_guest();
+
 	if (xen_initial_domain())
 		pvclock_gtod_register_notifier(&xen_pvclock_gtod_notifier);
 
@@ -393,35 +407,22 @@
 }
 early_initcall(xen_guest_init);
 
-static int xen_starting_runstate_cpu(unsigned int cpu)
-{
-	xen_setup_runstate_info(cpu);
-	return 0;
-}
-
-static int __init xen_late_init(void)
+static int __init xen_pm_init(void)
 {
 	if (!xen_domain())
 		return -ENODEV;
 
 	pm_power_off = xen_power_off;
-	arm_pm_restart = xen_restart;
+	register_restart_handler(&xen_restart_nb);
 	if (!xen_initial_domain()) {
 		struct timespec64 ts;
 		xen_read_wallclock(&ts);
 		do_settimeofday64(&ts);
 	}
 
-	if (xen_kernel_unmapped_at_usr())
-		return 0;
-
-	xen_time_setup_guest();
-
-	return cpuhp_setup_state(CPUHP_AP_ARM_XEN_RUNSTATE_STARTING,
-				 "arm/xen_runstate:starting",
-				 xen_starting_runstate_cpu, NULL);
+	return 0;
 }
-late_initcall(xen_late_init);
+late_initcall(xen_pm_init);
 
 
 /* empty stubs */
diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c
index 467fa22..aae950c 100644
--- a/arch/arm/xen/mm.c
+++ b/arch/arm/xen/mm.c
@@ -140,7 +140,7 @@
 	struct gnttab_cache_flush cflush;
 	if (!xen_initial_domain())
 		return 0;
-	xen_swiotlb_init(1, false);
+	xen_swiotlb_init();
 
 	cflush.op = 0;
 	cflush.a.dev_bus_addr = 0;
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 13cf137..d7bbe81 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -20,9 +20,11 @@
 	select ARCH_HAS_FORTIFY_SOURCE
 	select ARCH_HAS_GCOV_PROFILE_ALL
 	select ARCH_HAS_GIGANTIC_PAGE
+	select ARCH_HAS_IOREMAP_PHYS_HOOKS
 	select ARCH_HAS_KCOV
 	select ARCH_HAS_KEEPINITRD
 	select ARCH_HAS_MEMBARRIER_SYNC_CORE
+	select ARCH_HAS_MEM_ENCRYPT
 	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
 	select ARCH_HAS_PTE_DEVMAP
 	select ARCH_HAS_PTE_SPECIAL
@@ -73,6 +75,8 @@
 	select ARCH_USE_SYM_ANNOTATIONS
 	select ARCH_SUPPORTS_MEMORY_FAILURE
 	select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK
+	select ARCH_SUPPORTS_LTO_CLANG if CPU_LITTLE_ENDIAN
+	select ARCH_SUPPORTS_LTO_CLANG_THIN
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG)
 	select ARCH_SUPPORTS_NUMA_BALANCING
@@ -109,6 +113,7 @@
 	select GENERIC_EARLY_IOREMAP
 	select GENERIC_IDLE_POLL_SETUP
 	select GENERIC_IRQ_IPI
+	select ARCH_WANTS_IRQ_RAW
 	select GENERIC_IRQ_MULTI_HANDLER
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
@@ -125,6 +130,7 @@
 	select HANDLE_DOMAIN_IRQ
 	select HARDIRQS_SW_RESEND
 	select HAVE_MOVE_PMD
+	select HAVE_MOVE_PUD
 	select HAVE_PCI
 	select HAVE_ACPI_APEI if (ACPI && EFI)
 	select HAVE_ALIGNED_STRUCT_PAGE if SLUB
@@ -135,7 +141,10 @@
 	select HAVE_ARCH_JUMP_LABEL
 	select HAVE_ARCH_JUMP_LABEL_RELATIVE
 	select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
+	select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN
 	select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN
+	select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
+	select HAVE_ARCH_KFENCE
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_MMAP_RND_BITS
 	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
@@ -159,6 +168,8 @@
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_DYNAMIC_FTRACE_WITH_REGS \
 		if $(cc-option,-fpatchable-function-entry=2)
+	select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY \
+		if DYNAMIC_FTRACE_WITH_REGS
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 	select HAVE_FAST_GUP
 	select HAVE_FTRACE_MCOUNT_RECORD
@@ -168,6 +179,7 @@
 	select HAVE_GCC_PLUGINS
 	select HAVE_HW_BREAKPOINT if PERF_EVENTS
 	select HAVE_IRQ_TIME_ACCOUNTING
+	select HAVE_KVM
 	select HAVE_NMI
 	select HAVE_PATA_PLATFORM
 	select HAVE_PERF_EVENTS
@@ -186,6 +198,7 @@
 	select IOMMU_DMA if IOMMU_SUPPORT
 	select IRQ_DOMAIN
 	select IRQ_FORCED_THREADING
+	select KASAN_VMALLOC if KASAN
 	select MODULES_USE_ELF_RELA
 	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
@@ -201,6 +214,8 @@
 	select SWIOTLB
 	select SYSCTL_EXCEPTION_TRACE
 	select THREAD_INFO_IN_TASK
+	select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
+	select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD
 	help
 	  ARM 64-bit (AArch64) Linux support.
 
@@ -331,7 +346,7 @@
 
 config KASAN_SHADOW_OFFSET
 	hex
-	depends on KASAN
+	depends on KASAN_GENERIC || KASAN_SW_TAGS
 	default 0xdfffa00000000000 if (ARM64_VA_BITS_48 || ARM64_VA_BITS_52) && !KASAN_SW_TAGS
 	default 0xdfffd00000000000 if ARM64_VA_BITS_47 && !KASAN_SW_TAGS
 	default 0xdffffe8000000000 if ARM64_VA_BITS_42 && !KASAN_SW_TAGS
@@ -673,6 +688,39 @@
 
 	  If unsure, say Y.
 
+config ARM64_WORKAROUND_TSB_FLUSH_FAILURE
+	bool
+
+config ARM64_ERRATUM_2054223
+	bool "Cortex-A710: 2054223: workaround TSB instruction failing to flush trace"
+	default y
+	select ARM64_WORKAROUND_TSB_FLUSH_FAILURE
+	help
+	  Enable workaround for ARM Cortex-A710 erratum 2054223
+
+	  Affected cores may fail to flush the trace data on a TSB instruction, when
+	  the PE is in trace prohibited state. This will cause losing a few bytes
+	  of the trace cached.
+
+	  Workaround is to issue two TSB consecutively on affected cores.
+
+	  If unsure, say Y.
+
+config ARM64_ERRATUM_2067961
+	bool "Neoverse-N2: 2067961: workaround TSB instruction failing to flush trace"
+	default y
+	select ARM64_WORKAROUND_TSB_FLUSH_FAILURE
+	help
+	  Enable workaround for ARM Neoverse-N2 erratum 2067961
+
+	  Affected cores may fail to flush the trace data on a TSB instruction, when
+	  the PE is in trace prohibited state. This will cause losing a few bytes
+	  of the trace cached.
+
+	  Workaround is to issue two TSB consecutively on affected cores.
+
+	  If unsure, say Y.
+
 config ARM64_ERRATUM_2457168
 	bool "Cortex-A510: 2457168: workaround for AMEVCNTR01 incrementing incorrectly"
 	depends on ARM64_AMU_EXTN
@@ -1436,6 +1484,9 @@
 	 The feature is detected at runtime, and will remain as a 'nop'
 	 instruction if the cpu does not implement the feature.
 
+config AS_HAS_LDAPR
+	def_bool $(as-instr,.arch_extension rcpc)
+
 config AS_HAS_LSE_ATOMICS
 	def_bool $(as-instr,.arch_extension lse)
 
@@ -1459,19 +1510,6 @@
 	  built with binutils >= 2.25 in order for the new instructions
 	  to be used.
 
-config ARM64_VHE
-	bool "Enable support for Virtualization Host Extensions (VHE)"
-	default y
-	help
-	  Virtualization Host Extensions (VHE) allow the kernel to run
-	  directly at EL2 (instead of EL1) on processors that support
-	  it. This leads to better performance for KVM, as they reduce
-	  the cost of the world switch.
-
-	  Selecting this option allows the VHE feature to be detected
-	  at runtime, and does not affect processors that do not
-	  implement this feature.
-
 endmenu
 
 menu "ARMv8.2 architectural features"
@@ -1549,7 +1587,7 @@
 	depends on (CC_HAS_SIGN_RETURN_ADDRESS || CC_HAS_BRANCH_PROT_PAC_RET) && AS_HAS_PAC
 	# Modern compilers insert a .note.gnu.property section note for PAC
 	# which is only understood by binutils starting with version 2.33.1.
-	depends on LD_IS_LLD || LD_VERSION >= 233010000 || (CC_IS_GCC && GCC_VERSION < 90100)
+	depends on LD_IS_LLD || LD_VERSION >= 23301 || (CC_IS_GCC && GCC_VERSION < 90100)
 	depends on !CC_IS_CLANG || AS_HAS_CFI_NEGATE_RA_STATE
 	depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
 	help
@@ -1642,6 +1680,9 @@
 
 menu "ARMv8.5 architectural features"
 
+config AS_HAS_ARMV8_5
+	def_bool $(cc-option,-Wa$(comma)-march=armv8.5-a)
+
 config ARM64_BTI
 	bool "Branch Target Identification support"
 	default y
@@ -1674,8 +1715,8 @@
 	depends on !CC_IS_GCC || GCC_VERSION >= 100100
 	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106671
 	depends on !CC_IS_GCC
-	# https://github.com/llvm/llvm-project/commit/a88c722e687e6780dcd6a58718350dc76fcc4cc9
-	depends on !CC_IS_CLANG || CLANG_VERSION >= 120000
+	# https://bugs.llvm.org/show_bug.cgi?id=46258
+	depends on !CFI_CLANG || CLANG_VERSION >= 120000
 	depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
 	help
 	  Build the kernel with Branch Target Identification annotations
@@ -1719,6 +1760,9 @@
 	bool "Memory Tagging Extension support"
 	default y
 	depends on ARM64_AS_HAS_MTE && ARM64_TAGGED_ADDR_ABI
+	depends on AS_HAS_ARMV8_5
+	# Required for tag checking in the uaccess routines
+	depends on ARM64_PAN
 	depends on AS_HAS_LSE_ATOMICS
 	select ARCH_USES_HIGH_VMA_FLAGS
 	help
@@ -1746,7 +1790,6 @@
 config ARM64_SVE
 	bool "ARM Scalable Vector Extension support"
 	default y
-	depends on !KVM || ARM64_VHE
 	help
 	  The Scalable Vector Extension (SVE) is an extension to the AArch64
 	  execution state which complements and extends the SIMD functionality
@@ -1775,12 +1818,6 @@
 	  booting the kernel.  If unsure and you are not observing these
 	  symptoms, you should assume that it is safe to say Y.
 
-	  CPUs that support SVE are architecturally required to support the
-	  Virtualization Host Extensions (VHE), so the kernel makes no
-	  provision for supporting SVE alongside KVM without VHE enabled.
-	  Thus, you will need to enable CONFIG_ARM64_VHE if you want to support
-	  KVM in the same kernel image.
-
 config ARM64_MODULE_PLTS
 	bool "Use PLTs to allow module memory to spill over into vmalloc area"
 	depends on MODULES
@@ -1901,15 +1938,36 @@
 	  entering them here. As a minimum, you should specify the the
 	  root device (e.g. root=/dev/nfs).
 
+choice
+	prompt "Kernel command line type" if CMDLINE != ""
+	default CMDLINE_FROM_BOOTLOADER
+	help
+	  Choose how the kernel will handle the provided default kernel
+	  command line string.
+
+config CMDLINE_FROM_BOOTLOADER
+	bool "Use bootloader kernel arguments if available"
+	help
+	  Uses the command-line options passed by the boot loader. If
+	  the boot loader doesn't provide any, the default kernel command
+	  string provided in CMDLINE will be used.
+
+config CMDLINE_EXTEND
+	bool "Extend bootloader kernel arguments"
+	help
+	  The command-line arguments provided by the boot loader will be
+	  appended to the default kernel command string.
+
 config CMDLINE_FORCE
 	bool "Always use the default kernel command string"
-	depends on CMDLINE != ""
 	help
 	  Always use the default kernel command string, even if the boot
 	  loader passes other arguments to the kernel.
 	  This is useful if you cannot or don't want to change the
 	  command-line options your boot loader passes to the kernel.
 
+endchoice
+
 config EFI_STUB
 	bool
 
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 889e78f..6e6198f 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -152,12 +152,7 @@
 
 config ARCH_MESON
 	bool "Amlogic Platforms"
-	select PINCTRL
-	select PINCTRL_MESON
-	select COMMON_CLK_GXBB
-	select COMMON_CLK_AXG
-	select COMMON_CLK_G12A
-	select MESON_IRQ_GPIO
+	select COMMON_CLK
 	help
 	  This enables support for the arm64 based Amlogic SoCs
 	  such as the s905, S905X/D, S912, A113X/D or S905X/D2
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 485b7db..07c5e0f 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -96,6 +96,11 @@
 asm-arch := armv8.4-a
 endif
 
+ifeq ($(CONFIG_AS_HAS_ARMV8_5), y)
+# make sure to pass the newest target architecture to -march.
+asm-arch := armv8.5-a
+endif
+
 ifdef asm-arch
 KBUILD_CFLAGS	+= -Wa,-march=$(asm-arch) \
 		   -DARM64_ASM_ARCH='"$(asm-arch)"'
@@ -136,7 +141,7 @@
 
 ifeq ($(CONFIG_KASAN_SW_TAGS), y)
 KASAN_SHADOW_SCALE_SHIFT := 4
-else
+else ifeq ($(CONFIG_KASAN_GENERIC), y)
 KASAN_SHADOW_SCALE_SHIFT := 3
 endif
 
@@ -152,7 +157,10 @@
 boot		:= arch/arm64/boot
 KBUILD_IMAGE	:= $(boot)/Image.gz
 
+# Don't compile Image in mixed build with "all" target
+ifndef KBUILD_MIXED_TREE
 all:	Image.gz
+endif
 
 
 Image: vmlinux
diff --git a/arch/arm64/Makefile.postlink b/arch/arm64/Makefile.postlink
new file mode 100644
index 0000000..a137891
--- /dev/null
+++ b/arch/arm64/Makefile.postlink
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0
+
+#
+# This file is included by the generic Kbuild makefile to permit the
+# architecture to perform postlink actions on vmlinux and any .ko module file.
+# In this case, we only need it for fips140.ko, which needs some postprocessing
+# for the integrity check mandated by FIPS. This involves making copies of the
+# relocation sections so that the module will have access to them at
+# initialization time, and calculating and injecting a HMAC digest into the
+# module. All other targets are NOPs.
+#
+
+PHONY := __archpost
+__archpost:
+
+-include include/config/auto.conf
+include scripts/Kbuild.include
+
+CMD_FIPS140_GEN_HMAC = crypto/fips140_gen_hmac
+quiet_cmd_gen_hmac = HMAC    $@
+      cmd_gen_hmac = $(OBJCOPY) $@ \
+	--dump-section=$(shell $(READELF) -SW $@|grep -Eo '\.rela\.text\S*')=$@.rela.text \
+	--dump-section=$(shell $(READELF) -SW $@|grep -Eo '\.rela\.rodata\S*')=$@.rela.rodata \
+	--add-section=.init.rela.text=$@.rela.text \
+	--add-section=.init.rela.rodata=$@.rela.rodata \
+	--set-section-flags=.init.rela.text=alloc,readonly \
+	--set-section-flags=.init.rela.rodata=alloc,readonly && \
+	$(CMD_FIPS140_GEN_HMAC) $@
+
+# `@true` prevents complaints when there is nothing to be done
+
+vmlinux: FORCE
+	@true
+
+$(objtree)/crypto/fips140.ko: FORCE
+	$(call cmd,gen_hmac)
+
+%.ko: FORCE
+	@true
+
+clean:
+	rm -f $(objtree)/crypto/fips140.ko.rela.*
+
+PHONY += FORCE clean
+
+FORCE:
+
+.PHONY: $(PHONY)
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index ced0394..91af076 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -1,11 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510-android.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking-pro.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3-android.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-plus.dtb
@@ -45,6 +47,8 @@
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-wetek-core2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610-android.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l-android.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-c4.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510-android.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510-android.dts
new file mode 100644
index 0000000..2f89a01
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510-android.dts
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+  compatible = "seirobotics,sei510", "amlogic,g12a";
+  model = "SEI Robotics SEI510";
+  fragment@101 {
+        target-path = "/";
+
+        __overlay__ {
+                reserved-memory {
+                        #address-cells = <2>;
+                        #size-cells = <2>;
+                        ramoops@d000000 {
+                                compatible = "ramoops";
+                                reg = <0x0 0x0d000000 0x0 0x00100000>;
+                                record-size = <0x8000>;
+                                console-size = <0x8000>;
+                                ftrace-size = <0x0>;
+                                pmsg-size = <0x8000>;
+                        };
+                };
+
+                adc_keys {
+                        button-onoff {
+                                linux,code = <BTN_0>;
+                        };
+                };
+
+                cvbs-connector {
+                        status = "disabled";
+                };
+        };
+  };
+};
+
+&vddao_3v3_t {
+	gpio-open-drain;
+};
+
+&uart_A {
+	bluetooth {
+        interrupt-parent = <&gpio_intc>;
+        interrupts = <95 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wakeup";
+    };
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3-android.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3-android.dts
new file mode 100644
index 0000000..3ab19e2
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3-android.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+  compatible = "khadas,vim3", "amlogic,a311d", "amlogic,g12b";
+  model = "Khadas VIM3";
+  fragment@101 {
+        target-path = "/";
+        __overlay__ {
+                reserved-memory {
+                        #address-cells = <2>;
+                        #size-cells = <2>;
+                        ramoops@d000000 {
+                                compatible = "ramoops";
+                                reg = <0x0 0x0d000000 0x0 0x00100000>;
+                                record-size = <0x8000>;
+                                console-size = <0x8000>;
+                                ftrace-size = <0x0>;
+                                pmsg-size = <0x8000>;
+                        };
+                };
+
+        };
+  };
+};
+
+&vcc_5v {
+	gpio-open-drain;
+};
+
+&uart_C {
+        status = "okay";
+        pinctrl-0 = <&uart_c_pins>;
+        pinctrl-names = "default";
+};
+
+&emmc_pwrseq{
+	status = "okay";
+};
+
+&sd_emmc_a {
+     /* WiFi firmware requires power to be kept while in suspend */
+    keep-power-in-suspend;
+};
\ No newline at end of file
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l-android.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l-android.dts
new file mode 100644
index 0000000..4b06bf2
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l-android.dts
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+  compatible = "khadas,vim3l", "amlogic,sm1";
+  model = "Khadas VIM3L";
+  fragment@101 {
+        target-path = "/";
+        __overlay__ {
+                reserved-memory {
+                        #address-cells = <2>;
+                        #size-cells = <2>;
+                        ramoops@d000000 {
+                                compatible = "ramoops";
+                                reg = <0x0 0x0d000000 0x0 0x00100000>;
+                                record-size = <0x8000>;
+                                console-size = <0x8000>;
+                                ftrace-size = <0x0>;
+                                pmsg-size = <0x8000>;
+                        };
+                };
+        };
+  };
+};
+
+&vcc_5v {
+    gpio-open-drain;
+};
+
+&uart_A {
+	bluetooth {
+        interrupt-parent = <&gpio_intc>;
+        interrupts = <95 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wakeup";
+    };
+};
+
+&uart_C {
+        status = "disabled";
+        pinctrl-0 = <&uart_c_pins>;
+        pinctrl-names = "default";
+};
+
+&emmc_pwrseq{
+	status = "okay";
+};
+
+&sd_emmc_a {
+     /* WiFi firmware requires power to be kept while in suspend */
+    keep-power-in-suspend;
+};
+
+&spicc1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&spicc1_pins>;
+	cs-gpios = <&gpio GPIOH_6 GPIO_ACTIVE_LOW>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	spidev@0 {
+		compatible = "rohm,dh2228fv";
+		reg = <0>;
+		spi-max-frequency = <500000>;
+		status = "okay";
+	};
+
+	neonkey@0 {
+		compatible = "nanohub";
+		reg = <0>;
+		spi-max-frequency = <500000>;
+
+		sensorhub,nreset-gpio = <&gpio GPIOA_0 0>;
+		sensorhub,boot0-gpio = <&gpio GPIOA_3 0>;   /* Fake */
+		sensorhub,wakeup-gpio = <&gpio GPIOA_2 0>;  /* A2 -> PB9 */
+		sensorhub,irq1-gpio = <&gpio GPIOA_1 0>;    /* A1 -> PB5 */
+		interrupt-parent = <&gpio_intc>;
+		interrupts = <62 IRQ_TYPE_EDGE_RISING>;     /* A1 */
+		/* sensorhub,spi-cs-gpio = <&gpio GPIOH_6 GPIO_ACTIVE_LOW>; Optional */
+		sensorhub,bl-addr = <0x08000000>;
+		sensorhub,kernel-addr = <0x0800C000>;
+		sensorhub,shared-addr = <0x08040000>;
+		sensorhub,flash-banks = <0 0x08000000 0x04000>,
+					<3 0x0800C000 0x04000>,
+					<4 0x08010000 0x10000>,
+					<5 0x08020000 0x20000>,
+					<6 0x08040000 0x20000>,
+					<7 0x08060000 0x20000>;
+		sensorhub,num-flash-banks = <6>;
+		status = "disabled";
+	};
+
+	argonkey@0 {
+		compatible = "nanohub";
+		reg = <0>;
+		spi-max-frequency = <500000>;
+		spi-cpol;
+
+		sensorhub,nreset-gpio = <&gpio GPIOA_0 0>;
+		sensorhub,boot0-gpio = <&gpio GPIOA_3 0>;
+		sensorhub,wakeup-gpio = <&gpio GPIOA_1 0>;  /* A1 -> PA0 */
+		sensorhub,irq1-gpio = <&gpio GPIOA_2 0>;    /* A2 -> PA1 */
+		interrupt-parent = <&gpio_intc>;
+		interrupts = <63 IRQ_TYPE_EDGE_RISING>;     /* A2 */
+		sensorhub,bl-addr = <0x08000000>;
+		sensorhub,kernel-addr = <0x0800C000>;
+		sensorhub,num-flash-banks = <4>;
+		sensorhub,flash-banks =	<0 0x08000000 0x04000>,
+					<3 0x0800C000 0x04000>,
+					<4 0x08010000 0x10000>,
+					<5 0x08020000 0x20000>;
+		sensorhub,shared-addr = <0x08040000>;
+		sensorhub,num-shared-flash-banks = <6>;
+		sensorhub,shared-flash-banks = <6 0x08040000 0x20000>,
+					<7 0x08060000 0x20000>,
+					<8 0x08080000 0x20000>,
+					<9 0x080A0000 0x20000>,
+					<10 0x080C0000 0x20000>,
+					<11 0x080E0000 0x20000>;
+		status = "disabled";
+	};
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610-android.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610-android.dts
new file mode 100644
index 0000000..363d6c4
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610-android.dts
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+  compatible = "seirobotics,sei610", "amlogic,sm1";
+  model = "SEI Robotics SEI610";
+  fragment@101 {
+	target-path = "/";
+	__overlay__ {
+
+		reserved-memory {
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ramoops@d000000 {
+				compatible = "ramoops";
+				reg = <0x0 0x0d000000 0x0 0x00100000>;
+				record-size = <0x8000>;
+				console-size = <0x8000>;
+				ftrace-size = <0x0>;
+				pmsg-size = <0x8000>;
+			};
+		};
+	};
+   };
+};
+
+&vddao_3v3_t {
+	gpio-open-drain;
+};
+
+&emmc_pwrseq {
+	status = "okay";
+};
+
+&sd_emmc_a {
+	/* WiFi firmware requires power to be kept while in suspend */
+	keep-power-in-suspend;
+};
+
+&uart_C {
+        status = "disabled";
+        pinctrl-0 = <&uart_c_pins>;
+        pinctrl-names = "default";
+};
+
+&spicc0 {
+        status = "disabled";
+        pinctrl-names = "default";
+        pinctrl-0 = <&spicc0_x_pins>;
+        cs-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        spidev@0 {
+            compatible = "rohm,dh2228fv";
+            reg = <0>;
+            spi-max-frequency = <500000>;
+            status = "disabled";
+        };
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-drm.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660-drm.dtsi
new file mode 100644
index 0000000..3c2d3a8
--- /dev/null
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-drm.dtsi
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/{
+		dpe: dpe@E8600000 {
+			compatible = "hisilicon,hi3660-dpe";
+			status = "ok";
+
+			reg = <0x0 0xE8600000 0x0 0x80000>,
+					<0x0 0xFFF35000 0 0x1000>,
+					<0x0 0xFFF0A000 0 0x1000>,
+					<0x0 0xFFF31000 0 0x1000>,
+					<0x0 0xE86C0000 0 0x10000>;
+			interrupts = <0 245 4>;
+
+			clocks = <&crg_ctrl HI3660_ACLK_GATE_DSS>,
+				<&crg_ctrl HI3660_PCLK_GATE_DSS>,
+				<&crg_ctrl HI3660_CLK_GATE_EDC0>,
+				<&crg_ctrl HI3660_CLK_GATE_LDI0>,
+				<&crg_ctrl HI3660_CLK_GATE_LDI1>,
+				<&sctrl HI3660_CLK_GATE_DSS_AXI_MM>,
+				<&sctrl HI3660_PCLK_GATE_MMBUF>;
+			clock-names = "aclk_dss",
+					"pclk_dss",
+					"clk_edc0",
+					"clk_ldi0",
+					"clk_ldi1",
+					"clk_dss_axi_mm",
+					"pclk_mmbuf";
+
+			dma-coherent;
+
+			port {
+				dpe_out: endpoint {
+					remote-endpoint = <&dsi_in>;
+				};
+			};
+
+			iommu_info {
+				start-addr = <0x8000>;
+				size = <0xbfff8000>;
+			};
+		};
+
+		dsi: dsi@E8601000 {
+			compatible = "hisilicon,hi3660-dsi";
+			status = "ok";
+
+			reg = <0 0xE8601000 0 0x7F000>,
+					<0 0xFFF35000 0 0x1000>;
+
+			clocks = <&crg_ctrl HI3660_CLK_GATE_TXDPHY0_REF>,
+					<&crg_ctrl HI3660_CLK_GATE_TXDPHY1_REF>,
+					<&crg_ctrl HI3660_CLK_GATE_TXDPHY0_CFG>,
+					<&crg_ctrl HI3660_CLK_GATE_TXDPHY1_CFG>,
+					<&crg_ctrl HI3660_PCLK_GATE_DSI0>,
+					<&crg_ctrl HI3660_PCLK_GATE_DSI1>;
+			clock-names = "clk_txdphy0_ref",
+						"clk_txdphy1_ref",
+						"clk_txdphy0_cfg",
+						"clk_txdphy1_cfg",
+						"pclk_dsi0",
+						"pclk_dsi1";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+			mux-gpio = <&gpio2 4 0>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					dsi_in: endpoint {
+						remote-endpoint = <&dpe_out>;
+					};
+				};
+
+				port@1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+
+					dsi_out0: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&adv7533_in>;
+					};
+
+				};
+			};
+		};
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-gpu.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660-gpu.dtsi
new file mode 100644
index 0000000..1415343
--- /dev/null
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-gpu.dtsi
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+/{
+	gpu: mali@E82C0000 {
+		compatible = "arm,malit6xx", "arm,mali-midgard";
+		#cooling-cells = <3>; /* min followed by max */
+		gpu_outstanding = <0x0>;
+		reg = <0x0 0xE82C0000 0x0 0x4000>;
+		interrupts = <0 258 4 0 259 4 0 260 4>;
+		interrupt-names = "JOB", "MMU", "GPU";
+		operating-points = <
+			/* <frequency> <voltage>*/
+			178000  650000
+			400000	700000
+			533000	800000
+			807000	900000
+			960000	1000000
+			1037000 1100000
+		>;
+	};
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index 963300e..2f3760d 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -10,6 +10,9 @@
 
 #include "hi3660.dtsi"
 #include "hikey960-pinctrl.dtsi"
+#include "hi3660-drm.dtsi"
+#include "hi3660-gpu.dtsi"
+
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
@@ -53,6 +56,14 @@
 			console-size	= <0x00020000>;
 			ftrace-size	= <0x00020000>;
 		};
+
+		/* global autoconfigured region for contiguous allocations */
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reg = <0x0 0x20C00000 0x0 0x4000000>;
+			reusable;
+			linux,cma-default;
+		};
 	};
 
 	reboot-mode-syscon@32100000 {
@@ -197,6 +208,56 @@
 			method = "smc";
 		};
 	};
+
+	hisi_hikey_usb: hisi_hikey_usb {
+		compatible = "hisilicon,gpio_hubv1";
+		typec-vbus-gpios = <&gpio25 2 GPIO_ACTIVE_HIGH>;
+		otg-switch-gpios = <&gpio25 6 GPIO_ACTIVE_HIGH>;
+		hub-vdd33-en-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
+		usb-role-switch;
+
+		port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			hikey_usb_ep0: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&dwc3_role_switch>;
+			};
+			hikey_usb_ep1: endpoint@1 {
+				reg = <1>;
+				remote-endpoint = <&rt1711h_ep>;
+			};
+		};
+	};
+
+	i2s2: hi3660_i2s {
+		compatible = "hisilicon,hi3660-i2s-1.0";
+		reg = <0x0 0xe804f800 0x0 0x400>,
+			<0x0 0xe804e000 0x0 0x400>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2s2_pmx_func &i2s2_cfg_func>;
+		dmas = <&asp_dmac 18 &asp_dmac 19>;
+		dma-names = "rx", "tx";
+		#sound-dai-cells = <0>;
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "hikey-hdmi";
+		simple-audio-card,format = "i2s";
+
+		simple-audio-card,bitclock-master = <&sound_master>;
+		simple-audio-card,frame-master = <&sound_master>;
+
+		sound_master: simple-audio-card,cpu {
+			sound-dai = <&i2s2>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&adv7533>;
+		};
+	};
 };
 
 /*
@@ -564,7 +625,7 @@
 
 			rt1711h_ep: endpoint@0 {
 				reg = <0>;
-				remote-endpoint = <&dwc3_role_switch>;
+				remote-endpoint = <&hikey_usb_ep1>;
 			};
 		};
 	};
@@ -573,18 +634,31 @@
 		status = "okay";
 		compatible = "adi,adv7533";
 		reg = <0x39>;
+		v1p2-supply = <&ldo3>;
+		vdd-supply = <&ldo3>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <1 2>;
+		pd-gpio = <&gpio5 1 0>;
+		sel-gpio = <&gpio2 4 0>;
 		adi,dsi-lanes = <4>;
+		adi,disable-timing-generator;
+		#sound-dai-cells = <0>;
+
 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			port@0 {
 				reg = <0>;
+				adv7533_in: endpoint {
+					remote-endpoint = <&dsi_out0>;
+				};
 			};
 			port@1 {
 				reg = <1>;
 			};
 		};
 	};
+
 };
 
 &i2c7 {
@@ -686,7 +760,7 @@
 		#size-cells = <0>;
 		dwc3_role_switch: endpoint@0 {
 			reg = <0>;
-			remote-endpoint = <&rt1711h_ep>;
+			remote-endpoint = <&hikey_usb_ep0>;
 		};
 
 		dwc3_ss: endpoint@1 {
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index fe4dce2..edbcf3c 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -431,7 +431,7 @@
 			resets = <&iomcu_rst 0x20 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&i2c1_pmx_func &i2c1_cfg_func>;
-			status = "disabled";
+			status = "ok";
 		};
 
 		i2c3: i2c@fdf0c000 {
diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index f85fcc7..c9ec643 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -460,7 +460,6 @@
 				interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
 				phys = <&qusb_phy_0>, <&usb0_ssphy>;
 				phy-names = "usb2-phy", "usb3-phy";
-				tx-fifo-resize;
 				snps,is-utmi-l1-suspend;
 				snps,hird-threshold = /bits/ 8 <0x0>;
 				snps,dis_u2_susphy_quirk;
@@ -501,7 +500,6 @@
 				interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
 				phys = <&qusb_phy_1>, <&usb1_ssphy>;
 				phy-names = "usb2-phy", "usb3-phy";
-				tx-fifo-resize;
 				snps,is-utmi-l1-suspend;
 				snps,hird-threshold = /bits/ 8 <0x0>;
 				snps,dis_u2_susphy_quirk;
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index 31f4f05..9513848 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -85,6 +85,14 @@
 		};
 	};
 
+	reserved-memory {
+		/* Cont splash region set up by the bootloader */
+		cont_splash_mem: framebuffer@9d400000 {
+			reg = <0x0 0x9d400000 0x0 0x2400000>;
+			no-map;
+		};
+	};
+
 	lt9611_1v8: lt9611-vdd18-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "LT9611_1V8";
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts
index f0055ce2..f7cb035c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts
@@ -27,7 +27,7 @@
 };
 
 &uart0 {
-	status = "okay";
+	status = "disabled";
 
 	bluetooth {
 		compatible = "brcm,bcm43438-bt";
diff --git a/arch/arm64/configs/amlogic_gki.fragment b/arch/arm64/configs/amlogic_gki.fragment
new file mode 100644
index 0000000..e577f55
--- /dev/null
+++ b/arch/arm64/configs/amlogic_gki.fragment
@@ -0,0 +1,142 @@
+#
+# Generic drivers/frameworks
+#
+CONFIG_COMMON_CLK_PWM=m
+CONFIG_REGULATOR_PWM=m
+CONFIG_PWRSEQ_EMMC=m
+CONFIG_PWRSEQ_SIMPLE=m
+CONFIG_USB_DWC2=m
+CONFIG_LEDS_GPIO=m
+
+#
+# Networking
+#
+CONFIG_REALTEK_PHY=m
+CONFIG_STMMAC_ETH=m
+CONFIG_STMMAC_PLATFORM=m
+
+#
+# WLAN
+#
+CONFIG_WLAN_VENDOR_BROADCOM=y
+CONFIG_BRCMUTIL=m
+CONFIG_BRCMFMAC=m
+CONFIG_BRCMFMAC_PROTO_BCDC=y
+CONFIG_BRCMFMAC_SDIO=y
+
+#
+# Amlogic
+#
+CONFIG_ARCH_MESON=y
+CONFIG_SERIAL_MESON=m
+CONFIG_SERIAL_MESON_CONSOLE=y
+
+#
+# Amlogic drivers as modules
+#
+
+# core
+CONFIG_MESON_SM=m
+CONFIG_RESET_MESON=m
+CONFIG_MESON_IRQ_GPIO=m
+
+# clocks
+CONFIG_COMMON_CLK_MESON_REGMAP=m
+CONFIG_COMMON_CLK_MESON_DUALDIV=m
+CONFIG_COMMON_CLK_MESON_MPLL=m
+CONFIG_COMMON_CLK_MESON_PHASE=m
+CONFIG_COMMON_CLK_MESON_PLL=m
+CONFIG_COMMON_CLK_MESON_SCLK_DIV=m
+CONFIG_COMMON_CLK_MESON_VID_PLL_DIV=m
+CONFIG_COMMON_CLK_MESON_AO_CLKC=m
+CONFIG_COMMON_CLK_MESON_EE_CLKC=m
+CONFIG_COMMON_CLK_MESON_CPU_DYNDIV=m
+CONFIG_COMMON_CLK_GXBB=m
+CONFIG_COMMON_CLK_AXG=m
+CONFIG_COMMON_CLK_G12A=m
+
+# PHY
+CONFIG_PHY_MESON8B_USB2=m
+CONFIG_PHY_MESON_GXL_USB2=m
+CONFIG_PHY_MESON_G12A_USB2=m
+CONFIG_PHY_MESON_G12A_USB3_PCIE=m
+CONFIG_PHY_MESON_AXG_PCIE=m
+CONFIG_PHY_MESON_AXG_MIPI_PCIE_ANALOG=m
+
+# peripherals
+CONFIG_I2C_MESON=m
+CONFIG_MMC_MESON_GX=m
+CONFIG_HW_RANDOM_MESON=m
+CONFIG_USB_DWC3_MESON_G12A=m
+CONFIG_MESON_SARADC=m
+CONFIG_SPI_MESON_SPICC=m
+CONFIG_SPI_MESON_SPIFC=m
+CONFIG_PCI_MESON=m
+CONFIG_DWMAC_MESON=m
+CONFIG_MDIO_BUS_MUX_MESON_G12A=m
+CONFIG_MESON_GXL_PHY=m
+CONFIG_PINCTRL_MESON=m
+CONFIG_PINCTRL_MESON_GXBB=m
+CONFIG_PINCTRL_MESON_GXL=m
+CONFIG_PINCTRL_MESON_AXG=m
+CONFIG_PINCTRL_MESON_AXG_PMX=m
+CONFIG_PINCTRL_MESON_G12A=m
+CONFIG_MESON_GXBB_WATCHDOG=m
+CONFIG_MESON_WATCHDOG=m
+CONFIG_MTD_NAND_MESON=m
+CONFIG_PWM_MESON=m
+CONFIG_IR_MESON=m
+CONFIG_MESON_EFUSE=m
+CONFIG_MFD_KHADAS_MCU=m
+CONFIG_KHADAS_MCU_FAN_THERMAL=m
+CONFIG_AMLOGIC_THERMAL=m
+
+# sound
+CONFIG_SND_MESON_AXG_SOUND_CARD=m
+CONFIG_SND_MESON_GX_SOUND_CARD=m
+CONFIG_SND_MESON_G12A_TOHDMITX=m
+
+# display / video
+CONFIG_DRM_MESON=m
+CONFIG_DRM_MESON_DW_HDMI=m
+CONFIG_DRM_DW_HDMI=m
+CONFIG_DRM_DW_HDMI_AHB_AUDIO=m
+CONFIG_DRM_DW_HDMI_I2S_AUDIO=m
+CONFIG_DRM_DW_HDMI_CEC=m
+CONFIG_CEC_MESON_AO=m
+CONFIG_CEC_MESON_G12A_AO=m
+CONFIG_VIDEO_MESON_GE2D=m
+
+# SoC drivers
+CONFIG_MESON_CANVAS=m
+CONFIG_MESON_CLK_MEASURE=m
+CONFIG_MESON_GX_PM_DOMAINS=m
+CONFIG_MESON_EE_PM_DOMAINS=m
+CONFIG_MESON_SECURE_PM_DOMAINS=m
+
+#
+# Amlogic drivers disable
+#
+
+# 32-bit SoC drivers
+CONFIG_MESON6_TIMER=n
+CONFIG_MESON_MX_SOCINFO=n
+
+# only needed by DRM on S805X
+CONFIG_MESON_GX_SOCINFO=n
+
+#
+# Debug / Testing
+#
+
+# devtmpfs needed for buildroot/udev module loading, serial console
+#CONFIG_DEVTMPFS=y
+#CONFIG_DEVTMPFS_MOUNT=y
+
+# debug/testing with FB console
+#CONFIG_DRM_KMS_FB_HELPER=y
+#CONFIG_DRM_FBDEV_EMULATION=y
+#CONFIG_FB=y
+#CONFIG_VT=y
+#CONFIG_FRAMEBUFFER_CONSOLE=y
+#CONFIG_LOGO=y
diff --git a/arch/arm64/configs/db845c_gki.fragment b/arch/arm64/configs/db845c_gki.fragment
new file mode 100644
index 0000000..7260af2
--- /dev/null
+++ b/arch/arm64/configs/db845c_gki.fragment
@@ -0,0 +1,271 @@
+CONFIG_QRTR=m
+CONFIG_QRTR_TUN=m
+CONFIG_SCSI_UFS_QCOM=m
+CONFIG_INPUT_PM8941_PWRKEY=m
+CONFIG_SERIAL_MSM=m
+CONFIG_SERIAL_QCOM_GENI=m
+CONFIG_SERIAL_QCOM_GENI_CONSOLE=y
+CONFIG_I2C_QCOM_GENI=m
+CONFIG_I2C_QUP=m
+CONFIG_PINCTRL_QCOM_SPMI_PMIC=m
+CONFIG_PINCTRL_SDM845=m
+CONFIG_POWER_RESET_QCOM_PON=m
+CONFIG_SYSCON_REBOOT_MODE=m
+CONFIG_QCOM_TSENS=m
+CONFIG_QCOM_WDT=m
+CONFIG_PM8916_WATCHDOG=m
+CONFIG_MFD_SPMI_PMIC=m
+CONFIG_SPMI_MSM_PMIC_ARB=m
+CONFIG_REGULATOR_QCOM_RPMH=m
+CONFIG_REGULATOR_QCOM_SPMI=m
+CONFIG_DRM_MSM=m
+# CONFIG_DRM_MSM_DSI_28NM_PHY is not set
+# CONFIG_DRM_MSM_DSI_20NM_PHY is not set
+# CONFIG_DRM_MSM_DSI_28NM_8960_PHY is not set
+CONFIG_DRM_LONTIUM_LT9611=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_PLATFORM=m
+# CONFIG_USB_DWC3_HAPS is not set
+# CONFIG_USB_DWC3_OF_SIMPLE is not set
+CONFIG_USB_GADGET_VBUS_DRAW=500
+# CONFIG_USB_DUMMY_HCD is not set
+CONFIG_USB_ROLE_SWITCH=m
+CONFIG_USB_ULPI_BUS=m
+CONFIG_MMC_SDHCI_MSM=m
+CONFIG_RTC_DRV_PM8XXX=m
+CONFIG_COMMON_CLK_QCOM=m
+CONFIG_SDM_GPUCC_845=m
+CONFIG_QCOM_CLK_RPMH=m
+CONFIG_SDM_DISPCC_845=m
+CONFIG_HWSPINLOCK_QCOM=m
+CONFIG_QCOM_GENI_SE=m
+CONFIG_QCOM_LLCC=m
+CONFIG_QCOM_RMTFS_MEM=m
+CONFIG_QCOM_SMEM=m
+CONFIG_QCOM_SMSM=m
+CONFIG_EXTCON_USB_GPIO=m
+CONFIG_RESET_QCOM_AOSS=m
+CONFIG_RESET_QCOM_PDC=m
+CONFIG_PHY_QCOM_QMP=m
+CONFIG_PHY_QCOM_QUSB2=m
+CONFIG_PHY_QCOM_USB_HS=m
+CONFIG_QCOM_QFPROM=m
+CONFIG_INTERCONNECT_QCOM=y
+CONFIG_INTERCONNECT_QCOM_OSM_L3=m
+CONFIG_INTERCONNECT_QCOM_SDM845=m
+CONFIG_QCOM_RPMH=m
+CONFIG_QCOM_RPMHPD=m
+CONFIG_WLAN_VENDOR_ATH=y
+CONFIG_ATH10K_AHB=y
+CONFIG_ATH10K=m
+CONFIG_ATH10K_PCI=m
+CONFIG_ATH10K_SNOC=m
+CONFIG_QRTR_SMD=m
+CONFIG_QCOM_FASTRPC=m
+CONFIG_QCOM_APCS_IPC=m
+CONFIG_QCOM_Q6V5_COMMON=m
+CONFIG_QCOM_RPROC_COMMON=m
+CONFIG_QCOM_Q6V5_ADSP=m
+CONFIG_QCOM_Q6V5_MSS=m
+CONFIG_QCOM_Q6V5_PAS=m
+CONFIG_QCOM_Q6V5_WCSS=m
+CONFIG_QCOM_SYSMON=m
+CONFIG_RPMSG_QCOM_GLINK_SMEM=m
+CONFIG_RPMSG_QCOM_SMD=m
+CONFIG_QCOM_AOSS_QMP=m
+CONFIG_QCOM_SMP2P=m
+CONFIG_QCOM_SOCINFO=m
+CONFIG_QCOM_APR=m
+CONFIG_QCOM_GLINK_SSR=m
+CONFIG_RPMSG_QCOM_GLINK_RPM=m
+CONFIG_QCOM_PDC=m
+CONFIG_QCOM_SCM=m
+CONFIG_ARM_SMMU=m
+CONFIG_ARM_QCOM_CPUFREQ_HW=m
+# XXX Audio bits start here
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_MUX=m
+CONFIG_I2C_MUX_PCA954x=m
+CONFIG_I2C_DESIGNWARE_PLATFORM=m
+CONFIG_I2C_RK3X=m
+CONFIG_SPI_PL022=m
+CONFIG_SPI_QCOM_QSPI=m
+CONFIG_SPI_QUP=m
+CONFIG_SPI_QCOM_GENI=m
+CONFIG_GPIO_WCD934X=m
+CONFIG_MFD_WCD934X=m
+CONFIG_REGULATOR_GPIO=m
+CONFIG_SND_SOC_QCOM=m
+CONFIG_SND_SOC_QCOM_COMMON=m
+CONFIG_SND_SOC_QDSP6_COMMON=m
+CONFIG_SND_SOC_QDSP6_CORE=m
+CONFIG_SND_SOC_QDSP6_AFE=m
+CONFIG_SND_SOC_QDSP6_AFE_DAI=m
+CONFIG_SND_SOC_QDSP6_ADM=m
+CONFIG_SND_SOC_QDSP6_ROUTING=m
+CONFIG_SND_SOC_QDSP6_ASM=m
+CONFIG_SND_SOC_QDSP6_ASM_DAI=m
+CONFIG_SND_SOC_QDSP6=m
+CONFIG_SND_SOC_SDM845=m
+CONFIG_SND_SOC_DMIC=m
+CONFIG_SND_SOC_WCD9335=m
+CONFIG_SND_SOC_WCD934X=m
+CONFIG_SND_SOC_WSA881X=m
+CONFIG_QCOM_BAM_DMA=m
+CONFIG_SPMI_PMIC_CLKDIV=m
+CONFIG_SOUNDWIRE=m
+CONFIG_SOUNDWIRE_QCOM=m
+CONFIG_SLIMBUS=m
+CONFIG_SLIM_QCOM_NGD_CTRL=m
+CONFIG_DMABUF_HEAPS_SYSTEM=m
+# CONFIG_CXD2880_SPI_DRV is not set
+# CONFIG_MEDIA_TUNER_SIMPLE is not set
+# CONFIG_MEDIA_TUNER_TDA18250 is not set
+# CONFIG_MEDIA_TUNER_TDA8290 is not set
+# CONFIG_MEDIA_TUNER_TDA827X is not set
+# CONFIG_MEDIA_TUNER_TDA18271 is not set
+# CONFIG_MEDIA_TUNER_TDA9887 is not set
+# CONFIG_MEDIA_TUNER_TEA5761 is not set
+# CONFIG_MEDIA_TUNER_TEA5767 is not set
+# CONFIG_MEDIA_TUNER_MSI001 is not set
+# CONFIG_MEDIA_TUNER_MT20XX is not set
+# CONFIG_MEDIA_TUNER_MT2060 is not set
+# CONFIG_MEDIA_TUNER_MT2063 is not set
+# CONFIG_MEDIA_TUNER_MT2266 is not set
+# CONFIG_MEDIA_TUNER_MT2131 is not set
+# CONFIG_MEDIA_TUNER_QT1010 is not set
+# CONFIG_MEDIA_TUNER_XC2028 is not set
+# CONFIG_MEDIA_TUNER_XC5000 is not set
+# CONFIG_MEDIA_TUNER_XC4000 is not set
+# CONFIG_MEDIA_TUNER_MXL5005S is not set
+# CONFIG_MEDIA_TUNER_MXL5007T is not set
+# CONFIG_MEDIA_TUNER_MC44S803 is not set
+# CONFIG_MEDIA_TUNER_MAX2165 is not set
+# CONFIG_MEDIA_TUNER_TDA18218 is not set
+# CONFIG_MEDIA_TUNER_FC0011 is not set
+# CONFIG_MEDIA_TUNER_FC0012 is not set
+# CONFIG_MEDIA_TUNER_FC0013 is not set
+# CONFIG_MEDIA_TUNER_TDA18212 is not set
+# CONFIG_MEDIA_TUNER_E4000 is not set
+# CONFIG_MEDIA_TUNER_FC2580 is not set
+# CONFIG_MEDIA_TUNER_M88RS6000T is not set
+# CONFIG_MEDIA_TUNER_TUA9001 is not set
+# CONFIG_MEDIA_TUNER_SI2157 is not set
+# CONFIG_MEDIA_TUNER_IT913X is not set
+# CONFIG_MEDIA_TUNER_R820T is not set
+# CONFIG_MEDIA_TUNER_MXL301RF is not set
+# CONFIG_MEDIA_TUNER_QM1D1C0042 is not set
+# CONFIG_MEDIA_TUNER_QM1D1B0004 is not set
+# CONFIG_DVB_STB0899 is not set
+# CONFIG_DVB_STB6100 is not set
+# CONFIG_DVB_STV090x is not set
+# CONFIG_DVB_STV0910 is not set
+# CONFIG_DVB_STV6110x is not set
+# CONFIG_DVB_STV6111 is not set
+# CONFIG_DVB_MXL5XX is not set
+# CONFIG_DVB_M88DS3103 is not set
+# CONFIG_DVB_DRXK is not set
+# CONFIG_DVB_TDA18271C2DD is not set
+# CONFIG_DVB_SI2165 is not set
+# CONFIG_DVB_MN88472 is not set
+# CONFIG_DVB_MN88473 is not set
+# CONFIG_DVB_CX24110 is not set
+# CONFIG_DVB_CX24123 is not set
+# CONFIG_DVB_MT312 is not set
+# CONFIG_DVB_ZL10036 is not set
+# CONFIG_DVB_ZL10039 is not set
+# CONFIG_DVB_S5H1420 is not set
+# CONFIG_DVB_STV0288 is not set
+# CONFIG_DVB_STB6000 is not set
+# CONFIG_DVB_STV0299 is not set
+# CONFIG_DVB_STV6110 is not set
+# CONFIG_DVB_STV0900 is not set
+# CONFIG_DVB_TDA8083 is not set
+# CONFIG_DVB_TDA10086 is not set
+# CONFIG_DVB_TDA8261 is not set
+# CONFIG_DVB_VES1X93 is not set
+# CONFIG_DVB_TUNER_ITD1000 is not set
+# CONFIG_DVB_TUNER_CX24113 is not set
+# CONFIG_DVB_TDA826X is not set
+# CONFIG_DVB_TUA6100 is not set
+# CONFIG_DVB_CX24116 is not set
+# CONFIG_DVB_CX24117 is not set
+# CONFIG_DVB_CX24120 is not set
+# CONFIG_DVB_SI21XX is not set
+# CONFIG_DVB_TS2020 is not set
+# CONFIG_DVB_DS3000 is not set
+# CONFIG_DVB_MB86A16 is not set
+# CONFIG_DVB_TDA10071 is not set
+# CONFIG_DVB_SP8870 is not set
+# CONFIG_DVB_SP887X is not set
+# CONFIG_DVB_CX22700 is not set
+# CONFIG_DVB_CX22702 is not set
+# CONFIG_DVB_S5H1432 is not set
+# CONFIG_DVB_DRXD is not set
+# CONFIG_DVB_L64781 is not set
+# CONFIG_DVB_TDA1004X is not set
+# CONFIG_DVB_NXT6000 is not set
+# CONFIG_DVB_MT352 is not set
+# CONFIG_DVB_ZL10353 is not set
+# CONFIG_DVB_DIB3000MB is not set
+# CONFIG_DVB_DIB3000MC is not set
+# CONFIG_DVB_DIB7000M is not set
+# CONFIG_DVB_DIB7000P is not set
+# CONFIG_DVB_DIB9000 is not set
+# CONFIG_DVB_TDA10048 is not set
+# CONFIG_DVB_AF9013 is not set
+# CONFIG_DVB_EC100 is not set
+# CONFIG_DVB_STV0367 is not set
+# CONFIG_DVB_CXD2820R is not set
+# CONFIG_DVB_CXD2841ER is not set
+# CONFIG_DVB_RTL2830 is not set
+# CONFIG_DVB_RTL2832 is not set
+# CONFIG_DVB_RTL2832_SDR is not set
+# CONFIG_DVB_SI2168 is not set
+# CONFIG_DVB_ZD1301_DEMOD is not set
+# CONFIG_DVB_CXD2880 is not set
+# CONFIG_DVB_VES1820 is not set
+# CONFIG_DVB_TDA10021 is not set
+# CONFIG_DVB_TDA10023 is not set
+# CONFIG_DVB_STV0297 is not set
+# CONFIG_DVB_NXT200X is not set
+# CONFIG_DVB_OR51211 is not set
+# CONFIG_DVB_OR51132 is not set
+# CONFIG_DVB_BCM3510 is not set
+# CONFIG_DVB_LGDT330X is not set
+# CONFIG_DVB_LGDT3305 is not set
+# CONFIG_DVB_LGDT3306A is not set
+# CONFIG_DVB_LG2160 is not set
+# CONFIG_DVB_S5H1409 is not set
+# CONFIG_DVB_AU8522_DTV is not set
+# CONFIG_DVB_AU8522_V4L is not set
+# CONFIG_DVB_S5H1411 is not set
+# CONFIG_DVB_S921 is not set
+# CONFIG_DVB_DIB8000 is not set
+# CONFIG_DVB_MB86A20S is not set
+# CONFIG_DVB_TC90522 is not set
+# CONFIG_DVB_MN88443X is not set
+# CONFIG_DVB_PLL is not set
+# CONFIG_DVB_TUNER_DIB0070 is not set
+# CONFIG_DVB_TUNER_DIB0090 is not set
+# CONFIG_DVB_DRX39XYJ is not set
+# CONFIG_DVB_LNBH25 is not set
+# CONFIG_DVB_LNBH29 is not set
+# CONFIG_DVB_LNBP21 is not set
+# CONFIG_DVB_LNBP22 is not set
+# CONFIG_DVB_ISL6405 is not set
+# CONFIG_DVB_ISL6421 is not set
+# CONFIG_DVB_ISL6423 is not set
+# CONFIG_DVB_A8293 is not set
+# CONFIG_DVB_LGS8GL5 is not set
+# CONFIG_DVB_LGS8GXX is not set
+# CONFIG_DVB_ATBM8830 is not set
+# CONFIG_DVB_TDA665x is not set
+# CONFIG_DVB_IX2505V is not set
+# CONFIG_DVB_M88RS2000 is not set
+# CONFIG_DVB_AF9033 is not set
+# CONFIG_DVB_HORUS3A is not set
+# CONFIG_DVB_ASCOT2E is not set
+# CONFIG_DVB_HELENE is not set
+# CONFIG_DVB_CXD2099 is not set
+# CONFIG_DVB_SP2 is not set
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 2bdf38d..394c441 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -93,8 +93,10 @@
 CONFIG_ARM_QCOM_CPUFREQ_NVMEM=y
 CONFIG_ARM_QCOM_CPUFREQ_HW=y
 CONFIG_ARM_RASPBERRYPI_CPUFREQ=m
+CONFIG_ARM_SCMI_CPUFREQ=y
 CONFIG_ARM_TEGRA186_CPUFREQ=y
 CONFIG_QORIQ_CPUFREQ=y
+CONFIG_ARM_SCMI_PROTOCOL=y
 CONFIG_ARM_SCPI_PROTOCOL=y
 CONFIG_RASPBERRYPI_FIRMWARE=y
 CONFIG_INTEL_STRATIX10_SERVICE=y
@@ -522,6 +524,7 @@
 CONFIG_SYSCON_REBOOT_MODE=y
 CONFIG_BATTERY_SBS=m
 CONFIG_BATTERY_BQ27XXX=y
+CONFIG_SENSORS_ARM_SCMI=y
 CONFIG_SENSORS_ARM_SCPI=y
 CONFIG_SENSORS_LM90=m
 CONFIG_SENSORS_PWM_FAN=m
@@ -865,6 +868,7 @@
 CONFIG_CROS_EC_I2C=y
 CONFIG_CROS_EC_SPI=y
 CONFIG_CROS_EC_CHARDEV=m
+CONFIG_COMMON_CLK_SCMI=y
 CONFIG_COMMON_CLK_RK808=y
 CONFIG_COMMON_CLK_SCPI=y
 CONFIG_COMMON_CLK_CS2000_CP=y
diff --git a/arch/arm64/configs/fips140_gki.fragment b/arch/arm64/configs/fips140_gki.fragment
new file mode 100644
index 0000000..6829252
--- /dev/null
+++ b/arch/arm64/configs/fips140_gki.fragment
@@ -0,0 +1 @@
+CONFIG_CRYPTO_FIPS140_MOD=y
diff --git a/arch/arm64/configs/gki_defconfig b/arch/arm64/configs/gki_defconfig
new file mode 100644
index 0000000..ac91f87
--- /dev/null
+++ b/arch/arm64/configs/gki_defconfig
@@ -0,0 +1,715 @@
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_IRQ_TIME_ACCOUNTING=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_PSI=y
+CONFIG_RCU_EXPERT=y
+CONFIG_RCU_FAST_NO_HZ=y
+CONFIG_RCU_BOOST=y
+CONFIG_RCU_NOCB_CPU=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_IKHEADERS=y
+CONFIG_UCLAMP_TASK=y
+CONFIG_UCLAMP_BUCKETS_COUNT=20
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_UCLAMP_TASK_GROUP=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_BPF=y
+CONFIG_NAMESPACES=y
+# CONFIG_PID_NS is not set
+CONFIG_RT_SOFTINT_OPTIMIZATION=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+CONFIG_BOOT_CONFIG=y
+# CONFIG_SYSFS_SYSCALL is not set
+# CONFIG_FHANDLE is not set
+CONFIG_KALLSYMS_ALL=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_USERFAULTFD=y
+# CONFIG_RSEQ is not set
+CONFIG_EMBEDDED=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_SLAB_MERGE_DEFAULT is not set
+CONFIG_SLAB_FREELIST_RANDOM=y
+CONFIG_SLAB_FREELIST_HARDENED=y
+CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
+CONFIG_PROFILING=y
+# CONFIG_ZONE_DMA is not set
+CONFIG_ARCH_SUNXI=y
+CONFIG_ARCH_HISI=y
+CONFIG_ARCH_QCOM=y
+CONFIG_ARCH_SPRD=y
+CONFIG_SCHED_MC=y
+CONFIG_NR_CPUS=32
+CONFIG_PARAVIRT=y
+CONFIG_ARM64_SW_TTBR0_PAN=y
+CONFIG_COMPAT=y
+CONFIG_ARMV8_DEPRECATED=y
+CONFIG_SWP_EMULATION=y
+CONFIG_CP15_BARRIER_EMULATION=y
+CONFIG_SETEND_EMULATION=y
+CONFIG_RANDOMIZE_BASE=y
+# CONFIG_RANDOMIZE_MODULE_REGION_FULL is not set
+CONFIG_CMDLINE="stack_depot_disable=on kasan.stacktrace=off kvm-arm.mode=protected cgroup_disable=pressure cgroup.memory=nokmem"
+CONFIG_CMDLINE_EXTEND=y
+# CONFIG_DMI is not set
+CONFIG_PM_WAKELOCKS=y
+CONFIG_PM_WAKELOCKS_LIMIT=0
+# CONFIG_PM_WAKELOCKS_GC is not set
+CONFIG_PM_DEBUG=y
+CONFIG_PM_ADVANCED_DEBUG=y
+CONFIG_ENERGY_MODEL=y
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+CONFIG_CPU_IDLE_GOV_TEO=y
+CONFIG_ARM_CPUIDLE=y
+CONFIG_ARM_PSCI_CPUIDLE=y
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_FREQ_TIMES=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_ARM_SCPI_CPUFREQ=y
+CONFIG_ARM_SCMI_CPUFREQ=y
+CONFIG_ARM_SCMI_PROTOCOL=y
+# CONFIG_ARM_SCMI_POWER_DOMAIN is not set
+CONFIG_ARM_SCPI_PROTOCOL=y
+# CONFIG_ARM_SCPI_POWER_DOMAIN is not set
+# CONFIG_EFI_ARMSTUB_DTB_LOADER is not set
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=y
+CONFIG_KVM_S2MPU=y
+CONFIG_CRYPTO_SHA2_ARM64_CE=y
+CONFIG_CRYPTO_SHA512_ARM64_CE=y
+CONFIG_CRYPTO_GHASH_ARM64_CE=y
+CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
+CONFIG_KPROBES=y
+CONFIG_JUMP_LABEL=y
+CONFIG_SHADOW_CALL_STACK=y
+CONFIG_LTO_CLANG_FULL=y
+CONFIG_CFI_CLANG=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SCMVERSION=y
+CONFIG_MODULE_SIG=y
+CONFIG_MODULE_SIG_PROTECT=y
+CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_CGROUP_IOPRIO=y
+CONFIG_BLK_INLINE_ENCRYPTION=y
+CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
+CONFIG_IOSCHED_BFQ=y
+CONFIG_BFQ_GROUP_IOSCHED=y
+CONFIG_GKI_HACKS_TO_FIX=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_BINFMT_MISC=y
+CONFIG_MEMORY_HOTPLUG=y
+CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
+CONFIG_CLEANCACHE=y
+CONFIG_CMA=y
+CONFIG_CMA_DEBUGFS=y
+CONFIG_CMA_SYSFS=y
+CONFIG_CMA_AREAS=16
+CONFIG_READ_ONLY_THP_FOR_FS=y
+CONFIG_ANON_VMA_NAME=y
+CONFIG_LRU_GEN=y
+CONFIG_DAMON=y
+CONFIG_DAMON_PADDR=y
+CONFIG_DAMON_RECLAIM=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+CONFIG_XFRM_INTERFACE=y
+CONFIG_XFRM_MIGRATE=y
+CONFIG_XFRM_STATISTICS=y
+CONFIG_NET_KEY=y
+CONFIG_XDP_SOCKETS=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_NET_IPIP=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
+CONFIG_NET_IPVTI=y
+CONFIG_INET_ESP=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INET_DIAG_DESTROY=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_OPTIMISTIC_DAD=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+CONFIG_IPV6_MIP6=y
+CONFIG_IPV6_VTI=y
+CONFIG_IPV6_GRE=y
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CONNTRACK_AMANDA=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_H323=y
+CONFIG_NF_CONNTRACK_IRC=y
+CONFIG_NF_CONNTRACK_NETBIOS_NS=y
+CONFIG_NF_CONNTRACK_PPTP=y
+CONFIG_NF_CONNTRACK_SANE=y
+CONFIG_NF_CONNTRACK_TFTP=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_DSCP=y
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_TARGET_NFLOG=y
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
+CONFIG_NETFILTER_XT_TARGET_NOTRACK=y
+CONFIG_NETFILTER_XT_TARGET_TEE=y
+CONFIG_NETFILTER_XT_TARGET_TPROXY=y
+CONFIG_NETFILTER_XT_TARGET_TRACE=y
+CONFIG_NETFILTER_XT_TARGET_SECMARK=y
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_MATCH_COMMENT=y
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_DSCP=y
+CONFIG_NETFILTER_XT_MATCH_ESP=y
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_HELPER=y
+CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
+CONFIG_NETFILTER_XT_MATCH_LENGTH=y
+CONFIG_NETFILTER_XT_MATCH_LIMIT=y
+CONFIG_NETFILTER_XT_MATCH_MAC=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+CONFIG_NETFILTER_XT_MATCH_OWNER=y
+CONFIG_NETFILTER_XT_MATCH_POLICY=y
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG=y
+CONFIG_NETFILTER_XT_MATCH_SOCKET=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
+CONFIG_NETFILTER_XT_MATCH_STRING=y
+CONFIG_NETFILTER_XT_MATCH_TIME=y
+CONFIG_NETFILTER_XT_MATCH_U32=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_MATCH_ECN=y
+CONFIG_IP_NF_MATCH_TTL=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_TARGET_NETMAP=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
+CONFIG_IP_NF_MANGLE=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_SECURITY=y
+CONFIG_IP_NF_ARPTABLES=y
+CONFIG_IP_NF_ARPFILTER=y
+CONFIG_IP_NF_ARP_MANGLE=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_MATCH_RPFILTER=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_MANGLE=y
+CONFIG_IP6_NF_RAW=y
+CONFIG_TIPC=y
+CONFIG_L2TP=y
+CONFIG_BRIDGE=y
+CONFIG_VLAN_8021Q=y
+CONFIG_6LOWPAN=y
+CONFIG_IEEE802154=y
+CONFIG_IEEE802154_6LOWPAN=y
+CONFIG_MAC802154=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_HTB=y
+CONFIG_NET_SCH_PRIO=y
+CONFIG_NET_SCH_MULTIQ=y
+CONFIG_NET_SCH_SFQ=y
+CONFIG_NET_SCH_TBF=y
+CONFIG_NET_SCH_NETEM=y
+CONFIG_NET_SCH_CODEL=y
+CONFIG_NET_SCH_FQ_CODEL=y
+CONFIG_NET_SCH_FQ=y
+CONFIG_NET_SCH_INGRESS=y
+CONFIG_NET_CLS_BASIC=y
+CONFIG_NET_CLS_FW=y
+CONFIG_NET_CLS_U32=y
+CONFIG_CLS_U32_MARK=y
+CONFIG_NET_CLS_FLOW=y
+CONFIG_NET_CLS_BPF=y
+CONFIG_NET_CLS_MATCHALL=y
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_CMP=y
+CONFIG_NET_EMATCH_NBYTE=y
+CONFIG_NET_EMATCH_U32=y
+CONFIG_NET_EMATCH_META=y
+CONFIG_NET_EMATCH_TEXT=y
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_POLICE=y
+CONFIG_NET_ACT_GACT=y
+CONFIG_NET_ACT_MIRRED=y
+CONFIG_NET_ACT_SKBEDIT=y
+CONFIG_NET_ACT_BPF=y
+CONFIG_VSOCKETS=y
+CONFIG_CGROUP_NET_PRIO=y
+CONFIG_BPF_JIT=y
+CONFIG_CAN=y
+CONFIG_BT=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_HIDP=y
+CONFIG_BT_HCIBTSDIO=y
+CONFIG_BT_HCIUART=y
+CONFIG_BT_HCIUART_LL=y
+CONFIG_BT_HCIUART_BCM=y
+CONFIG_BT_HCIUART_QCA=y
+CONFIG_CFG80211=y
+CONFIG_NL80211_TESTMODE=y
+# CONFIG_CFG80211_DEFAULT_PS is not set
+# CONFIG_CFG80211_CRDA_SUPPORT is not set
+CONFIG_MAC80211=y
+CONFIG_RFKILL=y
+CONFIG_NFC=y
+CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_PCIEAER=y
+CONFIG_PCI_IOV=y
+CONFIG_PCI_HOST_GENERIC=y
+CONFIG_PCIE_DW_PLAT_EP=y
+CONFIG_PCIE_QCOM=y
+CONFIG_PCIE_KIRIN=y
+CONFIG_PCI_ENDPOINT=y
+CONFIG_FW_LOADER_USER_HELPER=y
+# CONFIG_FW_CACHE is not set
+# CONFIG_SUN50I_DE2_BUS is not set
+# CONFIG_SUNXI_RSB is not set
+CONFIG_GNSS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_SRAM=y
+CONFIG_UID_SYS_STATS=y
+CONFIG_SCSI=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_UFSHCD=y
+CONFIG_SCSI_UFSHCD_PCI=y
+CONFIG_SCSI_UFSHCD_PLATFORM=y
+CONFIG_SCSI_UFS_DWC_TC_PLATFORM=y
+CONFIG_SCSI_UFS_HISI=y
+CONFIG_SCSI_UFS_BSG=y
+CONFIG_SCSI_UFS_CRYPTO=y
+CONFIG_SCSI_UFS_HPB=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=y
+CONFIG_DM_DEFAULT_KEY=y
+CONFIG_DM_SNAPSHOT=y
+CONFIG_DM_UEVENT=y
+CONFIG_DM_VERITY=y
+CONFIG_DM_VERITY_FEC=y
+CONFIG_DM_BOW=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_WIREGUARD=y
+CONFIG_IFB=y
+CONFIG_MACSEC=y
+CONFIG_TUN=y
+CONFIG_VETH=y
+CONFIG_PPP=y
+CONFIG_PPP_BSDCOMP=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_MPPE=y
+CONFIG_PPTP=y
+CONFIG_PPPOL2TP=y
+CONFIG_USB_RTL8150=y
+CONFIG_USB_RTL8152=y
+CONFIG_USB_USBNET=y
+CONFIG_USB_NET_CDC_EEM=y
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+CONFIG_USB_NET_AQC111=y
+# CONFIG_WLAN_VENDOR_ADMTEK is not set
+# CONFIG_WLAN_VENDOR_ATH is not set
+# CONFIG_WLAN_VENDOR_ATMEL is not set
+# CONFIG_WLAN_VENDOR_BROADCOM is not set
+# CONFIG_WLAN_VENDOR_CISCO is not set
+# CONFIG_WLAN_VENDOR_INTEL is not set
+# CONFIG_WLAN_VENDOR_INTERSIL is not set
+# CONFIG_WLAN_VENDOR_MARVELL is not set
+# CONFIG_WLAN_VENDOR_MEDIATEK is not set
+# CONFIG_WLAN_VENDOR_RALINK is not set
+# CONFIG_WLAN_VENDOR_REALTEK is not set
+# CONFIG_WLAN_VENDOR_RSI is not set
+# CONFIG_WLAN_VENDOR_ST is not set
+# CONFIG_WLAN_VENDOR_TI is not set
+# CONFIG_WLAN_VENDOR_ZYDAS is not set
+# CONFIG_WLAN_VENDOR_QUANTENNA is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_MOUSE_PS2 is not set
+CONFIG_INPUT_JOYSTICK=y
+CONFIG_JOYSTICK_XPAD=y
+CONFIG_JOYSTICK_XPAD_FF=y
+CONFIG_JOYSTICK_XPAD_LEDS=y
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=y
+# CONFIG_VT is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_SERIAL_8250_EXAR is not set
+CONFIG_SERIAL_8250_NR_UARTS=32
+CONFIG_SERIAL_8250_RUNTIME_UARTS=0
+CONFIG_SERIAL_8250_DW=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_MSM_GENI_EARLY_CONSOLE=y
+CONFIG_SERIAL_SPRD=y
+CONFIG_SERIAL_SPRD_CONSOLE=y
+CONFIG_HVC_DCC=y
+CONFIG_HVC_DCC_SERIALIZE_SMP=y
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_HW_RANDOM=y
+# CONFIG_DEVMEM is not set
+# CONFIG_DEVPORT is not set
+# CONFIG_I2C_COMPAT is not set
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I3C=y
+CONFIG_SPI=y
+CONFIG_SPMI=y
+# CONFIG_SPMI_MSM_PMIC_ARB is not set
+# CONFIG_PINCTRL_SUN8I_H3_R is not set
+# CONFIG_PINCTRL_SUN50I_A64 is not set
+# CONFIG_PINCTRL_SUN50I_A64_R is not set
+# CONFIG_PINCTRL_SUN50I_H5 is not set
+# CONFIG_PINCTRL_SUN50I_H6 is not set
+# CONFIG_PINCTRL_SUN50I_H6_R is not set
+CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_POWER_RESET_HISI=y
+CONFIG_POWER_RESET_SYSCON=y
+# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+CONFIG_THERMAL_NETLINK=y
+CONFIG_THERMAL_STATISTICS=y
+CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=100
+CONFIG_THERMAL_WRITABLE_TRIPS=y
+CONFIG_THERMAL_GOV_USER_SPACE=y
+CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
+CONFIG_CPU_THERMAL=y
+CONFIG_DEVFREQ_THERMAL=y
+CONFIG_THERMAL_EMULATION=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_MFD_ACT8945A=y
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_RC_CORE=y
+# CONFIG_RC_MAP is not set
+CONFIG_LIRC=y
+CONFIG_BPF_LIRC_MODE2=y
+CONFIG_RC_DECODERS=y
+CONFIG_RC_DEVICES=y
+CONFIG_MEDIA_CEC_RC=y
+# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
+# CONFIG_MEDIA_DIGITAL_TV_SUPPORT is not set
+# CONFIG_MEDIA_RADIO_SUPPORT is not set
+# CONFIG_MEDIA_SDR_SUPPORT is not set
+# CONFIG_MEDIA_TEST_SUPPORT is not set
+CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_MEDIA_USB_SUPPORT=y
+CONFIG_USB_VIDEO_CLASS=y
+CONFIG_USB_GSPCA=y
+CONFIG_V4L_PLATFORM_DRIVERS=y
+CONFIG_V4L_MEM2MEM_DRIVERS=y
+# CONFIG_VGA_ARB is not set
+CONFIG_DRM=y
+# CONFIG_DRM_FBDEV_EMULATION is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_HRTIMER=y
+CONFIG_SND_DYNAMIC_MINORS=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_DRIVERS is not set
+CONFIG_SND_USB_AUDIO=y
+CONFIG_SND_SOC=y
+CONFIG_HID_BATTERY_STRENGTH=y
+CONFIG_HIDRAW=y
+CONFIG_UHID=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BETOP_FF=y
+CONFIG_HID_PRODIKEYS=y
+CONFIG_HID_ELECOM=y
+CONFIG_HID_UCLOGIC=y
+CONFIG_HID_LOGITECH=y
+CONFIG_HID_LOGITECH_DJ=y
+CONFIG_HID_MAGICMOUSE=y
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MULTITOUCH=y
+CONFIG_HID_NINTENDO=y
+CONFIG_HID_PICOLCD=y
+CONFIG_HID_PLANTRONICS=y
+CONFIG_HID_PLAYSTATION=y
+CONFIG_PLAYSTATION_FF=y
+CONFIG_HID_ROCCAT=y
+CONFIG_HID_SONY=y
+CONFIG_SONY_FF=y
+CONFIG_HID_STEAM=y
+CONFIG_HID_WACOM=y
+CONFIG_HID_WIIMOTE=y
+CONFIG_USB_HIDDEV=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_OTG=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_ACM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_UAS=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_DUMMY_HCD=y
+CONFIG_USB_CONFIGFS=y
+CONFIG_USB_CONFIGFS_UEVENT=y
+CONFIG_USB_CONFIGFS_SERIAL=y
+CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
+CONFIG_USB_CONFIGFS_ECM=y
+CONFIG_USB_CONFIGFS_EEM=y
+CONFIG_USB_CONFIGFS_MASS_STORAGE=y
+CONFIG_USB_CONFIGFS_F_FS=y
+CONFIG_USB_CONFIGFS_F_ACC=y
+CONFIG_USB_CONFIGFS_F_AUDIO_SRC=y
+CONFIG_USB_CONFIGFS_F_UAC2=y
+CONFIG_USB_CONFIGFS_F_MIDI=y
+CONFIG_USB_CONFIGFS_F_HID=y
+CONFIG_USB_CONFIGFS_F_UVC=y
+CONFIG_TYPEC=y
+CONFIG_TYPEC_TCPM=y
+CONFIG_TYPEC_TCPCI=y
+CONFIG_TYPEC_UCSI=y
+CONFIG_MMC=y
+# CONFIG_PWRSEQ_EMMC is not set
+# CONFIG_PWRSEQ_SIMPLE is not set
+CONFIG_MMC_CRYPTO=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_LEDS_CLASS_FLASH=y
+CONFIG_LEDS_CLASS_MULTICOLOR=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_TRANSIENT=y
+CONFIG_EDAC=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PL030=y
+CONFIG_RTC_DRV_PL031=y
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_SYSFS_STATS=y
+CONFIG_DMABUF_HEAPS_DEFERRED_FREE=y
+CONFIG_DMABUF_HEAPS_PAGE_POOL=y
+CONFIG_UIO=y
+CONFIG_VHOST_VSOCK=y
+CONFIG_STAGING=y
+CONFIG_ASHMEM=y
+CONFIG_DEBUG_KINFO=y
+CONFIG_COMMON_CLK_SCPI=y
+# CONFIG_SPRD_COMMON_CLK is not set
+# CONFIG_CLK_SUNXI is not set
+# CONFIG_SUNXI_CCU is not set
+CONFIG_HWSPINLOCK=y
+CONFIG_SUN4I_TIMER=y
+# CONFIG_SUN50I_ERRATUM_UNKNOWN1 is not set
+CONFIG_MTK_TIMER=y
+CONFIG_MAILBOX=y
+CONFIG_IOMMU_LIMIT_IOVA_ALIGNMENT=y
+CONFIG_IOMMU_IO_PGTABLE_ARMV7S=y
+CONFIG_REMOTEPROC=y
+CONFIG_REMOTEPROC_CDEV=y
+CONFIG_RPMSG_CHAR=y
+CONFIG_DEVFREQ_GOV_PERFORMANCE=y
+CONFIG_DEVFREQ_GOV_POWERSAVE=y
+CONFIG_DEVFREQ_GOV_USERSPACE=y
+CONFIG_DEVFREQ_GOV_PASSIVE=y
+CONFIG_PM_DEVFREQ_EVENT=y
+CONFIG_IIO=y
+CONFIG_IIO_BUFFER=y
+CONFIG_IIO_TRIGGER=y
+CONFIG_PWM=y
+CONFIG_GENERIC_PHY=y
+CONFIG_POWERCAP=y
+CONFIG_DTPM=y
+CONFIG_ANDROID=y
+CONFIG_ANDROID_BINDER_IPC=y
+CONFIG_ANDROID_BINDERFS=y
+CONFIG_ANDROID_DEBUG_SYMBOLS=y
+CONFIG_ANDROID_VENDOR_HOOKS=y
+CONFIG_LIBNVDIMM=y
+# CONFIG_ND_BLK is not set
+CONFIG_INTERCONNECT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_F2FS_FS=y
+CONFIG_F2FS_FS_SECURITY=y
+CONFIG_F2FS_FS_COMPRESSION=y
+CONFIG_F2FS_UNFAIR_RWSEM=y
+CONFIG_FS_ENCRYPTION=y
+CONFIG_FS_ENCRYPTION_INLINE_CRYPT=y
+CONFIG_FS_VERITY=y
+CONFIG_FS_VERITY_BUILTIN_SIGNATURES=y
+# CONFIG_DNOTIFY is not set
+CONFIG_QUOTA=y
+CONFIG_QFMT_V2=y
+CONFIG_FUSE_FS=y
+CONFIG_VIRTIO_FS=y
+CONFIG_FUSE_BPF=y
+CONFIG_OVERLAY_FS=y
+CONFIG_INCREMENTAL_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_EXFAT_FS=y
+CONFIG_TMPFS=y
+# CONFIG_EFIVAR_FS is not set
+CONFIG_PSTORE=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_PMSG=y
+CONFIG_PSTORE_RAM=y
+CONFIG_EROFS_FS=y
+CONFIG_EROFS_FS_PCPU_KTHREAD=y
+CONFIG_EROFS_FS_PCPU_KTHREAD_HIPRI=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=y
+CONFIG_NLS_CODEPAGE_775=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_855=y
+CONFIG_NLS_CODEPAGE_857=y
+CONFIG_NLS_CODEPAGE_860=y
+CONFIG_NLS_CODEPAGE_861=y
+CONFIG_NLS_CODEPAGE_862=y
+CONFIG_NLS_CODEPAGE_863=y
+CONFIG_NLS_CODEPAGE_864=y
+CONFIG_NLS_CODEPAGE_865=y
+CONFIG_NLS_CODEPAGE_866=y
+CONFIG_NLS_CODEPAGE_869=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_CODEPAGE_950=y
+CONFIG_NLS_CODEPAGE_932=y
+CONFIG_NLS_CODEPAGE_949=y
+CONFIG_NLS_CODEPAGE_874=y
+CONFIG_NLS_ISO8859_8=y
+CONFIG_NLS_CODEPAGE_1250=y
+CONFIG_NLS_CODEPAGE_1251=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_3=y
+CONFIG_NLS_ISO8859_4=y
+CONFIG_NLS_ISO8859_5=y
+CONFIG_NLS_ISO8859_6=y
+CONFIG_NLS_ISO8859_7=y
+CONFIG_NLS_ISO8859_9=y
+CONFIG_NLS_ISO8859_13=y
+CONFIG_NLS_ISO8859_14=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_KOI8_R=y
+CONFIG_NLS_KOI8_U=y
+CONFIG_NLS_MAC_ROMAN=y
+CONFIG_NLS_MAC_CELTIC=y
+CONFIG_NLS_MAC_CENTEURO=y
+CONFIG_NLS_MAC_CROATIAN=y
+CONFIG_NLS_MAC_CYRILLIC=y
+CONFIG_NLS_MAC_GAELIC=y
+CONFIG_NLS_MAC_GREEK=y
+CONFIG_NLS_MAC_ICELAND=y
+CONFIG_NLS_MAC_INUIT=y
+CONFIG_NLS_MAC_ROMANIAN=y
+CONFIG_NLS_MAC_TURKISH=y
+CONFIG_NLS_UTF8=y
+CONFIG_UNICODE=y
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_HARDENED_USERCOPY=y
+# CONFIG_HARDENED_USERCOPY_FALLBACK is not set
+CONFIG_STATIC_USERMODEHELPER=y
+CONFIG_STATIC_USERMODEHELPER_PATH=""
+CONFIG_SECURITY_SELINUX=y
+CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
+CONFIG_CRYPTO_CHACHA20POLY1305=y
+CONFIG_CRYPTO_ADIANTUM=y
+CONFIG_CRYPTO_XCBC=y
+CONFIG_CRYPTO_BLAKE2B=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_LZ4=y
+CONFIG_CRYPTO_ZSTD=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_CRC8=y
+CONFIG_XZ_DEC=y
+CONFIG_DMA_RESTRICTED_POOL=y
+CONFIG_DMA_CMA=y
+CONFIG_STACK_HASH_ORDER=12
+CONFIG_PRINTK_TIME=y
+CONFIG_PRINTK_CALLER=y
+CONFIG_DYNAMIC_DEBUG_CORE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_DEBUG_INFO_BTF=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_HEADERS_INSTALL=y
+# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_UBSAN=y
+CONFIG_UBSAN_TRAP=y
+CONFIG_UBSAN_LOCAL_BOUNDS=y
+# CONFIG_UBSAN_MISC is not set
+CONFIG_PAGE_OWNER=y
+CONFIG_PAGE_PINNER=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_KASAN=y
+CONFIG_KASAN_HW_TAGS=y
+CONFIG_KFENCE=y
+CONFIG_KFENCE_SAMPLE_INTERVAL=500
+CONFIG_KFENCE_NUM_OBJECTS=63
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PANIC_TIMEOUT=-1
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_WQ_WATCHDOG=y
+CONFIG_SCHEDSTATS=y
+CONFIG_BUG_ON_DATA_CORRUPTION=y
+CONFIG_TRACE_MMIO_ACCESS=y
+CONFIG_TRACEFS_DISABLE_AUTOMOUNT=y
+CONFIG_HIST_TRIGGERS=y
+CONFIG_PID_IN_CONTEXTIDR=y
+CONFIG_FUNCTION_ERROR_INJECTION=y
+# CONFIG_RUNTIME_TESTING_MENU is not set
diff --git a/arch/arm64/configs/hikey960_gki.fragment b/arch/arm64/configs/hikey960_gki.fragment
new file mode 100644
index 0000000..8005a8e
--- /dev/null
+++ b/arch/arm64/configs/hikey960_gki.fragment
@@ -0,0 +1,51 @@
+CONFIG_CPUFREQ_DT=m
+CONFIG_RFKILL_GPIO=m
+CONFIG_CONNECTOR=m
+CONFIG_BLK_DEV_NVME=m
+CONFIG_HISI_HIKEY_USB=m
+CONFIG_WLAN_VENDOR_TI=y
+CONFIG_WL18XX=m
+CONFIG_WLCORE_SDIO=m
+CONFIG_INPUT_HISI_POWERKEY=m
+CONFIG_SERIO_AMBAKMI=m
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_DESIGNWARE_PLATFORM=m
+CONFIG_SPI_PL022=m
+CONFIG_SPI_SPIDEV=m
+CONFIG_SYSCON_REBOOT_MODE=m
+CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR=y
+CONFIG_THERMAL_GOV_STEP_WISE=y
+CONFIG_HISI_THERMAL=m
+CONFIG_MFD_HI6421_PMIC=m
+CONFIG_MFD_HI655X_PMIC=m
+CONFIG_REGULATOR_HI6421V530=m
+CONFIG_REGULATOR_HI655X=m
+CONFIG_MALI_DEVFREQ=y
+CONFIG_DRM_I2C_ADV7511=m
+CONFIG_DRM_I2C_ADV7511_AUDIO=y
+CONFIG_DRM_HISI_KIRIN=m
+CONFIG_DRM_HISI_KIRIN960=y
+CONFIG_SND_I2S_HI3660_I2S=m
+CONFIG_SND_SIMPLE_CARD=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_PLATFORM=m
+CONFIG_USB_GADGETFS=m
+CONFIG_TYPEC_RT1711H=m
+CONFIG_MMC_BLOCK=m
+CONFIG_MMC_BLOCK_MINORS=64
+CONFIG_MMC_ARMMMCI=m
+CONFIG_MMC_SPI=m
+CONFIG_MMC_DW=m
+CONFIG_MMC_DW_EXYNOS=m
+CONFIG_MMC_DW_K3=m
+CONFIG_RTC_DRV_EFI=m
+CONFIG_K3_DMA=m
+CONFIG_HI3660_MBOX=m
+CONFIG_MALI_MIDGARD=m
+CONFIG_MALI_PLATFORM_NAME="hisilicon"
+CONFIG_MALI_EXPERT=y
+CONFIG_MALI_PWRSOFT_765=y
+CONFIG_PHY_HI3660_USB=m
+CONFIG_PINCTRL_SINGLE=m
+CONFIG_DMABUF_HEAPS_CMA=m
+CONFIG_DMABUF_HEAPS_SYSTEM=m
diff --git a/arch/arm64/configs/rockchip_gki.fragment b/arch/arm64/configs/rockchip_gki.fragment
new file mode 100644
index 0000000..6253108
--- /dev/null
+++ b/arch/arm64/configs/rockchip_gki.fragment
@@ -0,0 +1,342 @@
+CONFIG_AP6XXX=m
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_ARM_ROCKCHIP_BUS_DEVFREQ=m
+CONFIG_ARM_ROCKCHIP_CPUFREQ=m
+CONFIG_ARM_ROCKCHIP_DMC_DEVFREQ=m
+CONFIG_BACKLIGHT_PWM=m
+CONFIG_BATTERY_CW2015=m
+CONFIG_BATTERY_CW2017=m
+CONFIG_BATTERY_CW221X=m
+CONFIG_BATTERY_RK817=m
+CONFIG_BATTERY_RK818=m
+CONFIG_BLK_DEV_NVME=m
+CONFIG_BMA2XX_ACC=m
+CONFIG_CHARGER_BQ25700=m
+CONFIG_CHARGER_BQ25890=m
+CONFIG_CHARGER_RK817=m
+CONFIG_CHARGER_RK818=m
+CONFIG_CHARGER_SC89890=m
+CONFIG_CHARGER_SGM41542=m
+CONFIG_CHR_DEV_SCH=m
+CONFIG_CHR_DEV_SG=m
+CONFIG_COMMON_CLK_PWM=m
+CONFIG_COMMON_CLK_RK808=m
+CONFIG_COMMON_CLK_ROCKCHIP=m
+CONFIG_COMMON_CLK_SCMI=m
+CONFIG_COMPASS_AK8963=m
+CONFIG_COMPASS_AK8975=m
+CONFIG_COMPASS_DEVICE=m
+CONFIG_CPUFREQ_DT=m
+CONFIG_CPU_FREQ_GOV_ONDEMAND=m
+CONFIG_CPU_FREQ_GOV_USERSPACE=m
+CONFIG_CPU_RK3588=y
+CONFIG_CRYPTO_AES_ARM64_CE_CCM=m
+CONFIG_CRYPTO_DEV_ROCKCHIP=m
+CONFIG_CRYPTO_DEV_ROCKCHIP_DEV=m
+CONFIG_CRYPTO_GHASH_ARM64_CE=m
+CONFIG_CRYPTO_SHA1_ARM64_CE=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_DEVFREQ_EVENT_ROCKCHIP_NOCP=m
+CONFIG_DMABUF_HEAPS_CMA=m
+CONFIG_DMABUF_HEAPS_SYSTEM=m
+CONFIG_DRAGONRISE_FF=y
+CONFIG_DRM_DISPLAY_CONNECTOR=m
+CONFIG_DRM_DW_HDMI_CEC=m
+CONFIG_DRM_DW_HDMI_I2S_AUDIO=m
+CONFIG_DRM_MAXIM_MAX96745=m
+CONFIG_DRM_MAXIM_MAX96752F=m
+CONFIG_DRM_MAXIM_MAX96755F=m
+CONFIG_DRM_PANEL_SIMPLE=m
+CONFIG_DRM_RK1000_TVE=m
+CONFIG_DRM_RK630_TVE=m
+CONFIG_DRM_ROCKCHIP=m
+CONFIG_DRM_ROCKCHIP_RK628=m
+CONFIG_DRM_ROHM_BU18XL82=m
+CONFIG_DRM_SII902X=m
+CONFIG_DTC_SYMBOLS=y
+CONFIG_DW_WATCHDOG=m
+CONFIG_GPIO_ROCKCHIP=m
+CONFIG_GREENASIA_FF=y
+CONFIG_GSENSOR_DEVICE=m
+CONFIG_GS_DA223=m
+CONFIG_GS_KXTJ9=m
+CONFIG_GS_LIS3DH=m
+CONFIG_GS_LSM303D=m
+CONFIG_GS_MC3230=m
+CONFIG_GS_MMA7660=m
+CONFIG_GS_MMA8452=m
+CONFIG_GS_MXC6655XA=m
+CONFIG_GS_SC7660=m
+CONFIG_GS_SC7A20=m
+CONFIG_GS_SC7A30=m
+CONFIG_GYROSCOPE_DEVICE=m
+CONFIG_GYRO_EWTSA=m
+CONFIG_GYRO_L3G20D=m
+CONFIG_GYRO_L3G4200D=m
+CONFIG_GYRO_LSM330=m
+CONFIG_GYRO_MPU6500=m
+CONFIG_GYRO_MPU6880=m
+CONFIG_HALL_DEVICE=m
+CONFIG_HID_A4TECH=m
+CONFIG_HID_ACRUX=m
+CONFIG_HID_ACRUX_FF=y
+CONFIG_HID_ALPS=m
+CONFIG_HID_APPLEIR=m
+CONFIG_HID_AUREAL=m
+CONFIG_HID_BELKIN=m
+CONFIG_HID_CHERRY=m
+CONFIG_HID_CHICONY=m
+CONFIG_HID_CYPRESS=m
+CONFIG_HID_DRAGONRISE=m
+CONFIG_HID_EMS_FF=m
+CONFIG_HID_EZKEY=m
+CONFIG_HID_GREENASIA=m
+CONFIG_HID_GYRATION=m
+CONFIG_HID_HOLTEK=m
+CONFIG_HID_ICADE=m
+CONFIG_HID_KENSINGTON=m
+CONFIG_HID_KEYTOUCH=m
+CONFIG_HID_KYE=m
+CONFIG_HID_LCPOWER=m
+CONFIG_HID_LENOVO=m
+CONFIG_HID_MONTEREY=m
+CONFIG_HID_NTRIG=m
+CONFIG_HID_ORTEK=m
+CONFIG_HID_PANTHERLORD=m
+CONFIG_HID_PETALYNX=m
+CONFIG_HID_PRIMAX=m
+CONFIG_HID_SAITEK=m
+CONFIG_HID_SAMSUNG=m
+CONFIG_HID_SMARTJOYPLUS=m
+CONFIG_HID_SPEEDLINK=m
+CONFIG_HID_STEELSERIES=m
+CONFIG_HID_SUNPLUS=m
+CONFIG_HID_THINGM=m
+CONFIG_HID_THRUSTMASTER=m
+CONFIG_HID_TIVO=m
+CONFIG_HID_TOPSEED=m
+CONFIG_HID_TWINHAN=m
+CONFIG_HID_WALTOP=m
+CONFIG_HID_ZEROPLUS=m
+CONFIG_HID_ZYDACRON=m
+CONFIG_HS_MH248=m
+CONFIG_HW_RANDOM_ROCKCHIP=m
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_GPIO=m
+CONFIG_I2C_HID=m
+CONFIG_I2C_RK3X=m
+CONFIG_IEP=m
+CONFIG_IIO_BUFFER_CB=m
+CONFIG_INPUT_RK805_PWRKEY=m
+CONFIG_KEYBOARD_ADC=m
+CONFIG_LEDS_GPIO=m
+CONFIG_LEDS_RGB13H=m
+CONFIG_LEDS_TRIGGER_BACKLIGHT=m
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
+CONFIG_LEDS_TRIGGER_HEARTBEAT=m
+CONFIG_LIGHT_DEVICE=m
+CONFIG_LSM330_ACC=m
+CONFIG_LS_CM3217=m
+CONFIG_LS_CM3218=m
+CONFIG_LS_STK3410=m
+CONFIG_LS_UCS14620=m
+CONFIG_MALI_BIFROST=m
+CONFIG_MALI_BIFROST_DEBUG=y
+CONFIG_MALI_BIFROST_EXPERT=y
+CONFIG_MALI_CSF_SUPPORT=y
+CONFIG_MALI_PLATFORM_NAME="rk"
+CONFIG_MALI_PWRSOFT_765=y
+CONFIG_MFD_RK628=m
+CONFIG_MFD_RK630_I2C=m
+CONFIG_MFD_RK806_SPI=m
+CONFIG_MFD_RK808=m
+CONFIG_MMC_DW=m
+CONFIG_MMC_DW_ROCKCHIP=m
+CONFIG_MMC_SDHCI_OF_ARASAN=m
+CONFIG_MMC_SDHCI_OF_DWCMSHC=m
+CONFIG_MPU6500_ACC=m
+CONFIG_MPU6880_ACC=m
+CONFIG_OPTEE=m
+CONFIG_PANTHERLORD_FF=y
+CONFIG_PCIEASPM_EXT=m
+CONFIG_PCIE_DW_ROCKCHIP=m
+CONFIG_PCIE_ROCKCHIP_HOST=m
+CONFIG_PHY_ROCKCHIP_CSI2_DPHY=m
+CONFIG_PHY_ROCKCHIP_DP=m
+CONFIG_PHY_ROCKCHIP_EMMC=m
+CONFIG_PHY_ROCKCHIP_INNO_DSIDPHY=m
+CONFIG_PHY_ROCKCHIP_INNO_HDMI=m
+CONFIG_PHY_ROCKCHIP_INNO_USB2=m
+CONFIG_PHY_ROCKCHIP_INNO_USB3=m
+CONFIG_PHY_ROCKCHIP_NANENG_COMBO_PHY=m
+CONFIG_PHY_ROCKCHIP_NANENG_EDP=m
+CONFIG_PHY_ROCKCHIP_PCIE=m
+CONFIG_PHY_ROCKCHIP_SAMSUNG_DCPHY=m
+CONFIG_PHY_ROCKCHIP_SAMSUNG_HDPTX=m
+CONFIG_PHY_ROCKCHIP_SAMSUNG_HDPTX_HDMI=m
+CONFIG_PHY_ROCKCHIP_SNPS_PCIE3=m
+CONFIG_PHY_ROCKCHIP_TYPEC=m
+CONFIG_PHY_ROCKCHIP_USB=m
+CONFIG_PHY_ROCKCHIP_USBDP=m
+CONFIG_PINCTRL_RK805=m
+CONFIG_PINCTRL_RK806=m
+CONFIG_PINCTRL_ROCKCHIP=m
+CONFIG_PL330_DMA=m
+CONFIG_PROXIMITY_DEVICE=m
+CONFIG_PS_STK3410=m
+CONFIG_PS_UCS14620=m
+CONFIG_PWM_ROCKCHIP=m
+CONFIG_REGULATOR_ACT8865=m
+CONFIG_REGULATOR_FAN53555=m
+CONFIG_REGULATOR_GPIO=m
+CONFIG_REGULATOR_LP8752=m
+CONFIG_REGULATOR_MP8865=m
+CONFIG_REGULATOR_PWM=m
+CONFIG_REGULATOR_RK806=m
+CONFIG_REGULATOR_RK808=m
+CONFIG_REGULATOR_RK860X=m
+CONFIG_REGULATOR_TPS65132=m
+CONFIG_REGULATOR_WL2868C=m
+CONFIG_REGULATOR_XZ3216=m
+CONFIG_RFKILL_RK=m
+CONFIG_RK_CONSOLE_THREAD=y
+CONFIG_RK_HEADSET=m
+CONFIG_ROCKCHIP_ANALOGIX_DP=y
+CONFIG_ROCKCHIP_CDN_DP=y
+CONFIG_ROCKCHIP_CPUINFO=m
+CONFIG_ROCKCHIP_DEBUG=m
+CONFIG_ROCKCHIP_DW_DP=y
+CONFIG_ROCKCHIP_DW_HDCP2=m
+CONFIG_ROCKCHIP_DW_HDMI=y
+CONFIG_ROCKCHIP_DW_MIPI_DSI=y
+CONFIG_ROCKCHIP_EFUSE=m
+CONFIG_ROCKCHIP_GRF=m
+CONFIG_ROCKCHIP_INNO_HDMI=y
+CONFIG_ROCKCHIP_IODOMAIN=m
+CONFIG_ROCKCHIP_IOMMU=m
+CONFIG_ROCKCHIP_IPA=m
+CONFIG_ROCKCHIP_LVDS=y
+CONFIG_ROCKCHIP_MPP_AV1DEC=y
+CONFIG_ROCKCHIP_MPP_IEP2=y
+CONFIG_ROCKCHIP_MPP_JPGDEC=y
+CONFIG_ROCKCHIP_MPP_RKVDEC=y
+CONFIG_ROCKCHIP_MPP_RKVDEC2=y
+CONFIG_ROCKCHIP_MPP_RKVENC=y
+CONFIG_ROCKCHIP_MPP_RKVENC2=y
+CONFIG_ROCKCHIP_MPP_SERVICE=m
+CONFIG_ROCKCHIP_MPP_VDPU1=y
+CONFIG_ROCKCHIP_MPP_VDPU2=y
+CONFIG_ROCKCHIP_MPP_VEPU1=y
+CONFIG_ROCKCHIP_MPP_VEPU2=y
+CONFIG_ROCKCHIP_MULTI_RGA=m
+CONFIG_ROCKCHIP_OPP=m
+CONFIG_ROCKCHIP_OTP=m
+CONFIG_ROCKCHIP_PHY=m
+CONFIG_ROCKCHIP_PM_DOMAINS=m
+CONFIG_ROCKCHIP_PVTM=m
+CONFIG_ROCKCHIP_REMOTECTL=m
+CONFIG_ROCKCHIP_REMOTECTL_PWM=m
+CONFIG_ROCKCHIP_RGB=y
+CONFIG_ROCKCHIP_RKNPU=m
+CONFIG_ROCKCHIP_SARADC=m
+CONFIG_ROCKCHIP_SIP=m
+CONFIG_ROCKCHIP_SUSPEND_MODE=m
+CONFIG_ROCKCHIP_SYSTEM_MONITOR=m
+CONFIG_ROCKCHIP_THERMAL=m
+CONFIG_ROCKCHIP_TIMER=m
+CONFIG_ROCKCHIP_VENDOR_STORAGE=m
+CONFIG_ROCKCHIP_VENDOR_STORAGE_UPDATE_LOADER=y
+CONFIG_RTC_DRV_HYM8563=m
+CONFIG_RTC_DRV_RK808=m
+CONFIG_SENSOR_DEVICE=m
+CONFIG_SERIAL_8250_DW=m
+CONFIG_SMARTJOYPLUS_FF=y
+CONFIG_SND_SIMPLE_CARD=m
+CONFIG_SND_SOC_BT_SCO=m
+CONFIG_SND_SOC_CX2072X=m
+CONFIG_SND_SOC_DUMMY_CODEC=m
+CONFIG_SND_SOC_ES7202=m
+CONFIG_SND_SOC_ES7210=m
+CONFIG_SND_SOC_ES7243E=m
+CONFIG_SND_SOC_ES8311=m
+CONFIG_SND_SOC_ES8316=m
+CONFIG_SND_SOC_ES8323=m
+CONFIG_SND_SOC_ES8326=m
+CONFIG_SND_SOC_ES8396=m
+CONFIG_SND_SOC_RK3328=m
+CONFIG_SND_SOC_RK817=m
+CONFIG_SND_SOC_RK_CODEC_DIGITAL=m
+CONFIG_SND_SOC_ROCKCHIP=m
+CONFIG_SND_SOC_ROCKCHIP_HDMI=m
+CONFIG_SND_SOC_ROCKCHIP_I2S=m
+CONFIG_SND_SOC_ROCKCHIP_I2S_TDM=m
+CONFIG_SND_SOC_ROCKCHIP_MULTICODECS=m
+CONFIG_SND_SOC_ROCKCHIP_PDM=m
+CONFIG_SND_SOC_ROCKCHIP_SPDIF=m
+CONFIG_SND_SOC_ROCKCHIP_SPDIFRX=m
+CONFIG_SND_SOC_RT5640=m
+CONFIG_SND_SOC_SPDIF=m
+CONFIG_SPI_ROCKCHIP=m
+CONFIG_SPI_SPIDEV=m
+CONFIG_SW_SYNC=m
+CONFIG_SYSCON_REBOOT_MODE=m
+CONFIG_TEE=m
+CONFIG_TEST_POWER=m
+CONFIG_TOUCHSCREEN_ELAN5515=m
+CONFIG_TOUCHSCREEN_GSL3673=m
+CONFIG_TOUCHSCREEN_GSLX680_PAD=m
+CONFIG_TYPEC_DP_ALTMODE=m
+CONFIG_TYPEC_FUSB302=m
+CONFIG_TYPEC_HUSB311=m
+CONFIG_UCS12CM0=m
+CONFIG_USB_DWC2=m
+CONFIG_USB_NET_CDC_MBIM=m
+CONFIG_USB_NET_DM9601=m
+CONFIG_USB_NET_GL620A=m
+CONFIG_USB_NET_KALMIA=m
+CONFIG_USB_NET_MCS7830=m
+CONFIG_USB_NET_PLUSB=m
+CONFIG_USB_NET_SMSC75XX=m
+CONFIG_USB_NET_SMSC95XX=m
+CONFIG_USB_OHCI_HCD=m
+# CONFIG_USB_OHCI_HCD_PCI is not set
+CONFIG_USB_OHCI_HCD_PLATFORM=m
+CONFIG_USB_PRINTER=m
+CONFIG_USB_SERIAL=m
+CONFIG_USB_SERIAL_GENERIC=y
+CONFIG_USB_TRANCEVIBRATOR=m
+CONFIG_VIDEO_AW36518=m
+CONFIG_VIDEO_AW8601=m
+CONFIG_VIDEO_CN3927V=m
+CONFIG_VIDEO_DW9714=m
+CONFIG_VIDEO_FP5510=m
+CONFIG_VIDEO_GC2145=m
+CONFIG_VIDEO_GC2385=m
+CONFIG_VIDEO_GC4C33=m
+CONFIG_VIDEO_GC8034=m
+CONFIG_VIDEO_IMX415=m
+CONFIG_VIDEO_LT6911UXC=m
+CONFIG_VIDEO_LT7911D=m
+CONFIG_VIDEO_NVP6188=m
+CONFIG_VIDEO_OV02B10=m
+CONFIG_VIDEO_OV13850=m
+CONFIG_VIDEO_OV13855=m
+CONFIG_VIDEO_OV50C40=m
+CONFIG_VIDEO_OV5695=m
+CONFIG_VIDEO_OV8858=m
+CONFIG_VIDEO_RK628_BT1120=m
+CONFIG_VIDEO_RK628_CSI=m
+CONFIG_VIDEO_RK_IRCUT=m
+CONFIG_VIDEO_ROCKCHIP_CIF=m
+CONFIG_VIDEO_ROCKCHIP_ISP=m
+CONFIG_VIDEO_ROCKCHIP_ISPP=m
+CONFIG_VIDEO_S5K3L6XX=m
+CONFIG_VIDEO_S5KJN1=m
+CONFIG_VIDEO_SGM3784=m
+CONFIG_VIDEO_THCV244=m
+CONFIG_VL6180=m
+CONFIG_WIFI_BUILD_MODULE=y
+CONFIG_WL_ROCKCHIP=m
+CONFIG_ZRAM=m
+CONFIG_ZSMALLOC=m
+# CONFIG_USB_DUMMY_HCD is not set
diff --git a/arch/arm64/configs/rockpi4_gki.fragment b/arch/arm64/configs/rockpi4_gki.fragment
new file mode 100644
index 0000000..2af01b8
--- /dev/null
+++ b/arch/arm64/configs/rockpi4_gki.fragment
@@ -0,0 +1,82 @@
+# Core features
+CONFIG_ARCH_ROCKCHIP=y
+# CONFIG_CLK_PX30 is not set
+# CONFIG_CLK_RV110X is not set
+# CONFIG_CLK_RK3036 is not set
+# CONFIG_CLK_RK312X is not set
+# CONFIG_CLK_RK3188 is not set
+# CONFIG_CLK_RK322X is not set
+# CONFIG_CLK_RK3288 is not set
+# CONFIG_CLK_RK3308 is not set
+# CONFIG_CLK_RK3328 is not set
+# CONFIG_CLK_RK3368 is not set
+CONFIG_COMMON_CLK_RK808=m
+CONFIG_CPUFREQ_DT=m
+CONFIG_MFD_RK808=m
+CONFIG_PCIE_ROCKCHIP_HOST=m
+CONFIG_PHY_ROCKCHIP_PCIE=m
+CONFIG_PL330_DMA=m
+CONFIG_PWM_ROCKCHIP=m
+CONFIG_PWRSEQ_SIMPLE=m
+CONFIG_REGULATOR_FAN53555=m
+CONFIG_REGULATOR_PWM=m
+CONFIG_REGULATOR_RK808=m
+CONFIG_ROCKCHIP_EFUSE=m
+CONFIG_ROCKCHIP_IOMMU=y
+CONFIG_ROCKCHIP_IODOMAIN=m
+CONFIG_ROCKCHIP_MBOX=y
+CONFIG_ROCKCHIP_PM_DOMAINS=y
+CONFIG_ROCKCHIP_THERMAL=m
+
+# Ethernet
+CONFIG_STMMAC_ETH=m
+# CONFIG_DWMAC_GENERIC is not set
+# CONFIG_DWMAC_IPQ806X is not set
+# CONFIG_DWMAC_QCOM_ETHQOS is not set
+# CONFIG_DWMAC_SUNXI is not set
+# CONFIG_DWMAC_SUN8I is not set
+
+# I2C
+CONFIG_I2C_RK3X=m
+
+# Watchdog
+CONFIG_DW_WATCHDOG=m
+
+# Display
+CONFIG_DRM_ROCKCHIP=m
+CONFIG_ROCKCHIP_ANALOGIX_DP=y
+CONFIG_ROCKCHIP_DW_HDMI=y
+CONFIG_ROCKCHIP_DW_MIPI_DSI=y
+
+# USB 2.x
+CONFIG_PHY_ROCKCHIP_INNO_USB2=m
+CONFIG_USB_OHCI_HCD=m
+# CONFIG_USB_OHCI_HCD_PCI is not set
+CONFIG_USB_OHCI_HCD_PLATFORM=m
+
+# eMMC / SD-Card
+CONFIG_MMC_SDHCI_OF_ARASAN=m
+CONFIG_MMC_DW=m
+CONFIG_MMC_DW_ROCKCHIP=m
+CONFIG_PHY_ROCKCHIP_EMMC=m
+
+# Real-time clock
+CONFIG_RTC_DRV_RK808=m
+
+# Type-C
+CONFIG_PHY_ROCKCHIP_TYPEC=m
+
+# SAR ADC
+CONFIG_ROCKCHIP_SARADC=m
+
+# Audio
+CONFIG_SND_SOC_ROCKCHIP_I2S=m
+
+# To boot Linux distributions like Debian
+CONFIG_DEVTMPFS=y
+
+# To bootstrap rootfs with QEMU
+CONFIG_HW_RANDOM_VIRTIO=m
+CONFIG_VIRTIO_PCI=m
+CONFIG_VIRTIO_BLK=m
+CONFIG_VIRTIO_NET=m
diff --git a/arch/arm64/crypto/Kbuild.fips140 b/arch/arm64/crypto/Kbuild.fips140
new file mode 100644
index 0000000..986bdad
--- /dev/null
+++ b/arch/arm64/crypto/Kbuild.fips140
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Create a separate FIPS archive that duplicates the modules that are relevant
+# for FIPS 140 certification as builtin objects
+#
+
+sha1-ce-y := sha1-ce-glue.o sha1-ce-core.o
+sha2-ce-y := sha2-ce-glue.o sha2-ce-core.o
+sha512-ce-y := sha512-ce-glue.o sha512-ce-core.o
+ghash-ce-y := ghash-ce-glue.o ghash-ce-core.o
+aes-ce-cipher-y := aes-ce-core.o aes-ce-glue.o
+aes-ce-blk-y := aes-glue-ce.o aes-ce.o
+aes-neon-blk-y := aes-glue-neon.o aes-neon.o
+sha256-arm64-y := sha256-glue.o sha256-core.o
+sha512-arm64-y := sha512-glue.o sha512-core.o
+aes-arm64-y := aes-cipher-core.o aes-cipher-glue.o
+aes-neon-bs-y := aes-neonbs-core.o aes-neonbs-glue.o
+
+crypto-arm64-fips-src	  := $(srctree)/arch/arm64/crypto/
+crypto-arm64-fips-modules := sha1-ce.o sha2-ce.o sha512-ce.o ghash-ce.o \
+			     aes-ce-cipher.o aes-ce-blk.o aes-neon-blk.o \
+			     sha256-arm64.o sha512-arm64.o aes-arm64.o \
+			     aes-neon-bs.o
+
+crypto-fips-objs += $(foreach o,$(crypto-arm64-fips-modules),$($(o:.o=-y):.o=-fips-arch.o))
+
+CFLAGS_aes-glue-ce-fips-arch.o := -DUSE_V8_CRYPTO_EXTENSIONS
+
+$(obj)/aes-glue-%-fips-arch.o: KBUILD_CFLAGS += $(FIPS140_CFLAGS)
+$(obj)/aes-glue-%-fips-arch.o: $(crypto-arm64-fips-src)/aes-glue.c FORCE
+	$(call if_changed_rule,cc_o_c)
+
+$(obj)/%-fips-arch.o: KBUILD_CFLAGS += $(FIPS140_CFLAGS)
+$(obj)/%-fips-arch.o: $(crypto-arm64-fips-src)/%.c FORCE
+	$(call if_changed_rule,cc_o_c)
+
+$(obj)/%-fips-arch.o: $(crypto-arm64-fips-src)/%.S FORCE
+	$(call if_changed_rule,as_o_S)
+
+$(obj)/%: $(crypto-arm64-fips-src)/%_shipped
+	$(call cmd,shipped)
+
+$(obj)/%-fips-arch.o: $(obj)/%.S FORCE
+	$(call if_changed_rule,as_o_S)
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index 6bd4e74..c4f1504 100644
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -89,16 +89,12 @@
 	depends on KERNEL_MODE_NEON
 	select CRYPTO_SKCIPHER
 	select CRYPTO_AES_ARM64_CE
-	select CRYPTO_AES_ARM64
-	select CRYPTO_SIMD
 
 config CRYPTO_AES_ARM64_NEON_BLK
 	tristate "AES in ECB/CBC/CTR/XTS modes using NEON instructions"
 	depends on KERNEL_MODE_NEON
 	select CRYPTO_SKCIPHER
-	select CRYPTO_AES_ARM64
 	select CRYPTO_LIB_AES
-	select CRYPTO_SIMD
 
 config CRYPTO_CHACHA20_NEON
 	tristate "ChaCha20, XChaCha20, and XChaCha12 stream ciphers using NEON instructions"
@@ -123,8 +119,6 @@
 	depends on KERNEL_MODE_NEON
 	select CRYPTO_SKCIPHER
 	select CRYPTO_AES_ARM64_NEON_BLK
-	select CRYPTO_AES_ARM64
 	select CRYPTO_LIB_AES
-	select CRYPTO_SIMD
 
 endif
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index 53c92e0..326364c 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -103,9 +103,9 @@
 				      int rounds, int blocks, u8 iv[],
 				      u32 const rk2[]);
 
-asmlinkage void aes_mac_update(u8 const in[], u32 const rk[], int rounds,
-			       int blocks, u8 dg[], int enc_before,
-			       int enc_after);
+asmlinkage int aes_mac_update(u8 const in[], u32 const rk[], int rounds,
+			      int blocks, u8 dg[], int enc_before,
+			      int enc_after);
 
 struct crypto_aes_xts_ctx {
 	struct crypto_aes_ctx key1;
@@ -442,7 +442,7 @@
 	return err ?: cbc_decrypt_walk(req, &walk);
 }
 
-static int ctr_encrypt(struct skcipher_request *req)
+static int __maybe_unused ctr_encrypt(struct skcipher_request *req)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
 	struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -481,29 +481,6 @@
 	return err;
 }
 
-static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
-{
-	const struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
-	unsigned long flags;
-
-	/*
-	 * Temporarily disable interrupts to avoid races where
-	 * cachelines are evicted when the CPU is interrupted
-	 * to do something else.
-	 */
-	local_irq_save(flags);
-	aes_encrypt(ctx, dst, src);
-	local_irq_restore(flags);
-}
-
-static int __maybe_unused ctr_encrypt_sync(struct skcipher_request *req)
-{
-	if (!crypto_simd_usable())
-		return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
-
-	return ctr_encrypt(req);
-}
-
 static int __maybe_unused xts_encrypt(struct skcipher_request *req)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
@@ -652,10 +629,9 @@
 static struct skcipher_alg aes_algs[] = { {
 #if defined(USE_V8_CRYPTO_EXTENSIONS) || !IS_ENABLED(CONFIG_CRYPTO_AES_ARM64_BS)
 	.base = {
-		.cra_name		= "__ecb(aes)",
-		.cra_driver_name	= "__ecb-aes-" MODE,
+		.cra_name		= "ecb(aes)",
+		.cra_driver_name	= "ecb-aes-" MODE,
 		.cra_priority		= PRIO,
-		.cra_flags		= CRYPTO_ALG_INTERNAL,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct crypto_aes_ctx),
 		.cra_module		= THIS_MODULE,
@@ -667,10 +643,9 @@
 	.decrypt	= ecb_decrypt,
 }, {
 	.base = {
-		.cra_name		= "__cbc(aes)",
-		.cra_driver_name	= "__cbc-aes-" MODE,
+		.cra_name		= "cbc(aes)",
+		.cra_driver_name	= "cbc-aes-" MODE,
 		.cra_priority		= PRIO,
-		.cra_flags		= CRYPTO_ALG_INTERNAL,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct crypto_aes_ctx),
 		.cra_module		= THIS_MODULE,
@@ -683,10 +658,9 @@
 	.decrypt	= cbc_decrypt,
 }, {
 	.base = {
-		.cra_name		= "__ctr(aes)",
-		.cra_driver_name	= "__ctr-aes-" MODE,
+		.cra_name		= "ctr(aes)",
+		.cra_driver_name	= "ctr-aes-" MODE,
 		.cra_priority		= PRIO,
-		.cra_flags		= CRYPTO_ALG_INTERNAL,
 		.cra_blocksize		= 1,
 		.cra_ctxsize		= sizeof(struct crypto_aes_ctx),
 		.cra_module		= THIS_MODULE,
@@ -700,26 +674,9 @@
 	.decrypt	= ctr_encrypt,
 }, {
 	.base = {
-		.cra_name		= "ctr(aes)",
-		.cra_driver_name	= "ctr-aes-" MODE,
-		.cra_priority		= PRIO - 1,
-		.cra_blocksize		= 1,
-		.cra_ctxsize		= sizeof(struct crypto_aes_ctx),
-		.cra_module		= THIS_MODULE,
-	},
-	.min_keysize	= AES_MIN_KEY_SIZE,
-	.max_keysize	= AES_MAX_KEY_SIZE,
-	.ivsize		= AES_BLOCK_SIZE,
-	.chunksize	= AES_BLOCK_SIZE,
-	.setkey		= skcipher_aes_setkey,
-	.encrypt	= ctr_encrypt_sync,
-	.decrypt	= ctr_encrypt_sync,
-}, {
-	.base = {
-		.cra_name		= "__xts(aes)",
-		.cra_driver_name	= "__xts-aes-" MODE,
+		.cra_name		= "xts(aes)",
+		.cra_driver_name	= "xts-aes-" MODE,
 		.cra_priority		= PRIO,
-		.cra_flags		= CRYPTO_ALG_INTERNAL,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct crypto_aes_xts_ctx),
 		.cra_module		= THIS_MODULE,
@@ -734,10 +691,9 @@
 }, {
 #endif
 	.base = {
-		.cra_name		= "__cts(cbc(aes))",
-		.cra_driver_name	= "__cts-cbc-aes-" MODE,
+		.cra_name		= "cts(cbc(aes))",
+		.cra_driver_name	= "cts-cbc-aes-" MODE,
 		.cra_priority		= PRIO,
-		.cra_flags		= CRYPTO_ALG_INTERNAL,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct crypto_aes_ctx),
 		.cra_module		= THIS_MODULE,
@@ -751,10 +707,9 @@
 	.decrypt	= cts_cbc_decrypt,
 }, {
 	.base = {
-		.cra_name		= "__essiv(cbc(aes),sha256)",
-		.cra_driver_name	= "__essiv-cbc-aes-sha256-" MODE,
+		.cra_name		= "essiv(cbc(aes),sha256)",
+		.cra_driver_name	= "essiv-cbc-aes-sha256-" MODE,
 		.cra_priority		= PRIO + 1,
-		.cra_flags		= CRYPTO_ALG_INTERNAL,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct crypto_aes_essiv_cbc_ctx),
 		.cra_module		= THIS_MODULE,
@@ -852,10 +807,17 @@
 	int rounds = 6 + ctx->key_length / 4;
 
 	if (crypto_simd_usable()) {
-		kernel_neon_begin();
-		aes_mac_update(in, ctx->key_enc, rounds, blocks, dg, enc_before,
-			       enc_after);
-		kernel_neon_end();
+		int rem;
+
+		do {
+			kernel_neon_begin();
+			rem = aes_mac_update(in, ctx->key_enc, rounds, blocks,
+					     dg, enc_before, enc_after);
+			kernel_neon_end();
+			in += (blocks - rem) * AES_BLOCK_SIZE;
+			blocks = rem;
+			enc_before = 0;
+		} while (blocks);
 	} else {
 		if (enc_before)
 			aes_encrypt(ctx, dg, dg);
@@ -986,28 +948,15 @@
 	.descsize		= sizeof(struct mac_desc_ctx),
 } };
 
-static struct simd_skcipher_alg *aes_simd_algs[ARRAY_SIZE(aes_algs)];
-
 static void aes_exit(void)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(aes_simd_algs); i++)
-		if (aes_simd_algs[i])
-			simd_skcipher_free(aes_simd_algs[i]);
-
 	crypto_unregister_shashes(mac_algs, ARRAY_SIZE(mac_algs));
 	crypto_unregister_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
 }
 
 static int __init aes_init(void)
 {
-	struct simd_skcipher_alg *simd;
-	const char *basename;
-	const char *algname;
-	const char *drvname;
 	int err;
-	int i;
 
 	err = crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
 	if (err)
@@ -1017,26 +966,8 @@
 	if (err)
 		goto unregister_ciphers;
 
-	for (i = 0; i < ARRAY_SIZE(aes_algs); i++) {
-		if (!(aes_algs[i].base.cra_flags & CRYPTO_ALG_INTERNAL))
-			continue;
-
-		algname = aes_algs[i].base.cra_name + 2;
-		drvname = aes_algs[i].base.cra_driver_name + 2;
-		basename = aes_algs[i].base.cra_driver_name;
-		simd = simd_skcipher_create_compat(algname, drvname, basename);
-		err = PTR_ERR(simd);
-		if (IS_ERR(simd))
-			goto unregister_simds;
-
-		aes_simd_algs[i] = simd;
-	}
-
 	return 0;
 
-unregister_simds:
-	aes_exit();
-	return err;
 unregister_ciphers:
 	crypto_unregister_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
 	return err;
diff --git a/arch/arm64/crypto/aes-modes.S b/arch/arm64/crypto/aes-modes.S
index cf618d8..503d9b3 100644
--- a/arch/arm64/crypto/aes-modes.S
+++ b/arch/arm64/crypto/aes-modes.S
@@ -619,61 +619,47 @@
 	 *		  int blocks, u8 dg[], int enc_before, int enc_after)
 	 */
 AES_FUNC_START(aes_mac_update)
-	frame_push	6
-
-	mov		x19, x0
-	mov		x20, x1
-	mov		x21, x2
-	mov		x22, x3
-	mov		x23, x4
-	mov		x24, x6
-
-	ld1		{v0.16b}, [x23]			/* get dg */
+	ld1		{v0.16b}, [x4]			/* get dg */
 	enc_prepare	w2, x1, x7
 	cbz		w5, .Lmacloop4x
 
 	encrypt_block	v0, w2, x1, x7, w8
 
 .Lmacloop4x:
-	subs		w22, w22, #4
+	subs		w3, w3, #4
 	bmi		.Lmac1x
-	ld1		{v1.16b-v4.16b}, [x19], #64	/* get next pt block */
+	ld1		{v1.16b-v4.16b}, [x0], #64	/* get next pt block */
 	eor		v0.16b, v0.16b, v1.16b		/* ..and xor with dg */
-	encrypt_block	v0, w21, x20, x7, w8
+	encrypt_block	v0, w2, x1, x7, w8
 	eor		v0.16b, v0.16b, v2.16b
-	encrypt_block	v0, w21, x20, x7, w8
+	encrypt_block	v0, w2, x1, x7, w8
 	eor		v0.16b, v0.16b, v3.16b
-	encrypt_block	v0, w21, x20, x7, w8
+	encrypt_block	v0, w2, x1, x7, w8
 	eor		v0.16b, v0.16b, v4.16b
-	cmp		w22, wzr
-	csinv		x5, x24, xzr, eq
+	cmp		w3, wzr
+	csinv		x5, x6, xzr, eq
 	cbz		w5, .Lmacout
-	encrypt_block	v0, w21, x20, x7, w8
-	st1		{v0.16b}, [x23]			/* return dg */
-	cond_yield_neon	.Lmacrestart
+	encrypt_block	v0, w2, x1, x7, w8
+	st1		{v0.16b}, [x4]			/* return dg */
+	cond_yield	.Lmacout, x7, x8
 	b		.Lmacloop4x
 .Lmac1x:
-	add		w22, w22, #4
+	add		w3, w3, #4
 .Lmacloop:
-	cbz		w22, .Lmacout
-	ld1		{v1.16b}, [x19], #16		/* get next pt block */
+	cbz		w3, .Lmacout
+	ld1		{v1.16b}, [x0], #16		/* get next pt block */
 	eor		v0.16b, v0.16b, v1.16b		/* ..and xor with dg */
 
-	subs		w22, w22, #1
-	csinv		x5, x24, xzr, eq
+	subs		w3, w3, #1
+	csinv		x5, x6, xzr, eq
 	cbz		w5, .Lmacout
 
 .Lmacenc:
-	encrypt_block	v0, w21, x20, x7, w8
+	encrypt_block	v0, w2, x1, x7, w8
 	b		.Lmacloop
 
 .Lmacout:
-	st1		{v0.16b}, [x23]			/* return dg */
-	frame_pop
+	st1		{v0.16b}, [x4]			/* return dg */
+	mov		w0, w3
 	ret
-
-.Lmacrestart:
-	ld1		{v0.16b}, [x23]			/* get dg */
-	enc_prepare	w21, x20, x0
-	b		.Lmacloop4x
 AES_FUNC_END(aes_mac_update)
diff --git a/arch/arm64/crypto/aes-neonbs-core.S b/arch/arm64/crypto/aes-neonbs-core.S
index 63a52ad..a3405b8 100644
--- a/arch/arm64/crypto/aes-neonbs-core.S
+++ b/arch/arm64/crypto/aes-neonbs-core.S
@@ -613,7 +613,6 @@
 	st1		{\o7\().16b}, [x19], #16
 
 	cbz		x23, 1f
-	cond_yield_neon
 	b		99b
 
 1:	frame_pop
@@ -715,7 +714,6 @@
 1:	st1		{v24.16b}, [x24]		// store IV
 
 	cbz		x23, 2f
-	cond_yield_neon
 	b		99b
 
 2:	frame_pop
@@ -801,7 +799,7 @@
 	mov		x23, x4
 	mov		x24, x5
 
-0:	movi		v30.2s, #0x1
+	movi		v30.2s, #0x1
 	movi		v25.2s, #0x87
 	uzp1		v30.4s, v30.4s, v25.4s
 	ld1		{v25.16b}, [x24]
@@ -846,7 +844,6 @@
 	cbz		x23, 1f
 	st1		{v25.16b}, [x24]
 
-	cond_yield_neon	0b
 	b		99b
 
 1:	st1		{v25.16b}, [x24]
@@ -889,7 +886,7 @@
 	cset		x26, ne
 	add		x23, x23, x26		// do one extra block if final
 
-98:	ldp		x7, x8, [x24]
+	ldp		x7, x8, [x24]
 	ld1		{v0.16b}, [x24]
 CPU_LE(	rev		x7, x7		)
 CPU_LE(	rev		x8, x8		)
@@ -967,7 +964,6 @@
 	st1		{v0.16b}, [x24]
 	cbz		x23, .Lctr_done
 
-	cond_yield_neon	98b
 	b		99b
 
 .Lctr_done:
diff --git a/arch/arm64/crypto/aes-neonbs-glue.c b/arch/arm64/crypto/aes-neonbs-glue.c
index fb507d5..8df6ad8 100644
--- a/arch/arm64/crypto/aes-neonbs-glue.c
+++ b/arch/arm64/crypto/aes-neonbs-glue.c
@@ -63,11 +63,6 @@
 	u32			enc[AES_MAX_KEYLENGTH_U32];
 };
 
-struct aesbs_ctr_ctx {
-	struct aesbs_ctx	key;		/* must be first member */
-	struct crypto_aes_ctx	fallback;
-};
-
 struct aesbs_xts_ctx {
 	struct aesbs_ctx	key;
 	u32			twkey[AES_MAX_KEYLENGTH_U32];
@@ -207,25 +202,6 @@
 	return err;
 }
 
-static int aesbs_ctr_setkey_sync(struct crypto_skcipher *tfm, const u8 *in_key,
-				 unsigned int key_len)
-{
-	struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
-	int err;
-
-	err = aes_expandkey(&ctx->fallback, in_key, key_len);
-	if (err)
-		return err;
-
-	ctx->key.rounds = 6 + key_len / 4;
-
-	kernel_neon_begin();
-	aesbs_convert_key(ctx->key.rk, ctx->fallback.key_enc, ctx->key.rounds);
-	kernel_neon_end();
-
-	return 0;
-}
-
 static int ctr_encrypt(struct skcipher_request *req)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
@@ -292,29 +268,6 @@
 	return aesbs_setkey(tfm, in_key, key_len);
 }
 
-static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
-{
-	struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
-	unsigned long flags;
-
-	/*
-	 * Temporarily disable interrupts to avoid races where
-	 * cachelines are evicted when the CPU is interrupted
-	 * to do something else.
-	 */
-	local_irq_save(flags);
-	aes_encrypt(&ctx->fallback, dst, src);
-	local_irq_restore(flags);
-}
-
-static int ctr_encrypt_sync(struct skcipher_request *req)
-{
-	if (!crypto_simd_usable())
-		return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
-
-	return ctr_encrypt(req);
-}
-
 static int __xts_crypt(struct skcipher_request *req, bool encrypt,
 		       void (*fn)(u8 out[], u8 const in[], u8 const rk[],
 				  int rounds, int blocks, u8 iv[]))
@@ -431,13 +384,12 @@
 }
 
 static struct skcipher_alg aes_algs[] = { {
-	.base.cra_name		= "__ecb(aes)",
-	.base.cra_driver_name	= "__ecb-aes-neonbs",
+	.base.cra_name		= "ecb(aes)",
+	.base.cra_driver_name	= "ecb-aes-neonbs",
 	.base.cra_priority	= 250,
 	.base.cra_blocksize	= AES_BLOCK_SIZE,
 	.base.cra_ctxsize	= sizeof(struct aesbs_ctx),
 	.base.cra_module	= THIS_MODULE,
-	.base.cra_flags		= CRYPTO_ALG_INTERNAL,
 
 	.min_keysize		= AES_MIN_KEY_SIZE,
 	.max_keysize		= AES_MAX_KEY_SIZE,
@@ -446,13 +398,12 @@
 	.encrypt		= ecb_encrypt,
 	.decrypt		= ecb_decrypt,
 }, {
-	.base.cra_name		= "__cbc(aes)",
-	.base.cra_driver_name	= "__cbc-aes-neonbs",
+	.base.cra_name		= "cbc(aes)",
+	.base.cra_driver_name	= "cbc-aes-neonbs",
 	.base.cra_priority	= 250,
 	.base.cra_blocksize	= AES_BLOCK_SIZE,
 	.base.cra_ctxsize	= sizeof(struct aesbs_cbc_ctx),
 	.base.cra_module	= THIS_MODULE,
-	.base.cra_flags		= CRYPTO_ALG_INTERNAL,
 
 	.min_keysize		= AES_MIN_KEY_SIZE,
 	.max_keysize		= AES_MAX_KEY_SIZE,
@@ -462,13 +413,12 @@
 	.encrypt		= cbc_encrypt,
 	.decrypt		= cbc_decrypt,
 }, {
-	.base.cra_name		= "__ctr(aes)",
-	.base.cra_driver_name	= "__ctr-aes-neonbs",
+	.base.cra_name		= "ctr(aes)",
+	.base.cra_driver_name	= "ctr-aes-neonbs",
 	.base.cra_priority	= 250,
 	.base.cra_blocksize	= 1,
 	.base.cra_ctxsize	= sizeof(struct aesbs_ctx),
 	.base.cra_module	= THIS_MODULE,
-	.base.cra_flags		= CRYPTO_ALG_INTERNAL,
 
 	.min_keysize		= AES_MIN_KEY_SIZE,
 	.max_keysize		= AES_MAX_KEY_SIZE,
@@ -479,29 +429,12 @@
 	.encrypt		= ctr_encrypt,
 	.decrypt		= ctr_encrypt,
 }, {
-	.base.cra_name		= "ctr(aes)",
-	.base.cra_driver_name	= "ctr-aes-neonbs",
-	.base.cra_priority	= 250 - 1,
-	.base.cra_blocksize	= 1,
-	.base.cra_ctxsize	= sizeof(struct aesbs_ctr_ctx),
-	.base.cra_module	= THIS_MODULE,
-
-	.min_keysize		= AES_MIN_KEY_SIZE,
-	.max_keysize		= AES_MAX_KEY_SIZE,
-	.chunksize		= AES_BLOCK_SIZE,
-	.walksize		= 8 * AES_BLOCK_SIZE,
-	.ivsize			= AES_BLOCK_SIZE,
-	.setkey			= aesbs_ctr_setkey_sync,
-	.encrypt		= ctr_encrypt_sync,
-	.decrypt		= ctr_encrypt_sync,
-}, {
-	.base.cra_name		= "__xts(aes)",
-	.base.cra_driver_name	= "__xts-aes-neonbs",
+	.base.cra_name		= "xts(aes)",
+	.base.cra_driver_name	= "xts-aes-neonbs",
 	.base.cra_priority	= 250,
 	.base.cra_blocksize	= AES_BLOCK_SIZE,
 	.base.cra_ctxsize	= sizeof(struct aesbs_xts_ctx),
 	.base.cra_module	= THIS_MODULE,
-	.base.cra_flags		= CRYPTO_ALG_INTERNAL,
 
 	.min_keysize		= 2 * AES_MIN_KEY_SIZE,
 	.max_keysize		= 2 * AES_MAX_KEY_SIZE,
@@ -512,54 +445,17 @@
 	.decrypt		= xts_decrypt,
 } };
 
-static struct simd_skcipher_alg *aes_simd_algs[ARRAY_SIZE(aes_algs)];
-
 static void aes_exit(void)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(aes_simd_algs); i++)
-		if (aes_simd_algs[i])
-			simd_skcipher_free(aes_simd_algs[i]);
-
 	crypto_unregister_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
 }
 
 static int __init aes_init(void)
 {
-	struct simd_skcipher_alg *simd;
-	const char *basename;
-	const char *algname;
-	const char *drvname;
-	int err;
-	int i;
-
 	if (!cpu_have_named_feature(ASIMD))
 		return -ENODEV;
 
-	err = crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
-	if (err)
-		return err;
-
-	for (i = 0; i < ARRAY_SIZE(aes_algs); i++) {
-		if (!(aes_algs[i].base.cra_flags & CRYPTO_ALG_INTERNAL))
-			continue;
-
-		algname = aes_algs[i].base.cra_name + 2;
-		drvname = aes_algs[i].base.cra_driver_name + 2;
-		basename = aes_algs[i].base.cra_driver_name;
-		simd = simd_skcipher_create_compat(algname, drvname, basename);
-		err = PTR_ERR(simd);
-		if (IS_ERR(simd))
-			goto unregister_simds;
-
-		aes_simd_algs[i] = simd;
-	}
-	return 0;
-
-unregister_simds:
-	aes_exit();
-	return err;
+	return crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
 }
 
 module_init(aes_init);
diff --git a/arch/arm64/crypto/crct10dif-ce-core.S b/arch/arm64/crypto/crct10dif-ce-core.S
index 111d9c9..dce6dce 100644
--- a/arch/arm64/crypto/crct10dif-ce-core.S
+++ b/arch/arm64/crypto/crct10dif-ce-core.S
@@ -68,10 +68,10 @@
 	.text
 	.arch		armv8-a+crypto
 
-	init_crc	.req	w19
-	buf		.req	x20
-	len		.req	x21
-	fold_consts_ptr	.req	x22
+	init_crc	.req	w0
+	buf		.req	x1
+	len		.req	x2
+	fold_consts_ptr	.req	x3
 
 	fold_consts	.req	v10
 
@@ -257,12 +257,6 @@
 	.endm
 
 	.macro		crc_t10dif_pmull, p
-	frame_push	4, 128
-
-	mov		init_crc, w0
-	mov		buf, x1
-	mov		len, x2
-
 	__pmull_init_\p
 
 	// For sizes less than 256 bytes, we can't fold 128 bytes at a time.
@@ -317,26 +311,7 @@
 	fold_32_bytes	\p, v6, v7
 
 	subs		len, len, #128
-	b.lt		.Lfold_128_bytes_loop_done_\@
-
-	if_will_cond_yield_neon
-	stp		q0, q1, [sp, #.Lframe_local_offset]
-	stp		q2, q3, [sp, #.Lframe_local_offset + 32]
-	stp		q4, q5, [sp, #.Lframe_local_offset + 64]
-	stp		q6, q7, [sp, #.Lframe_local_offset + 96]
-	do_cond_yield_neon
-	ldp		q0, q1, [sp, #.Lframe_local_offset]
-	ldp		q2, q3, [sp, #.Lframe_local_offset + 32]
-	ldp		q4, q5, [sp, #.Lframe_local_offset + 64]
-	ldp		q6, q7, [sp, #.Lframe_local_offset + 96]
-	ld1		{fold_consts.2d}, [fold_consts_ptr]
-	__pmull_init_\p
-	__pmull_pre_\p	fold_consts
-	endif_yield_neon
-
-	b		.Lfold_128_bytes_loop_\@
-
-.Lfold_128_bytes_loop_done_\@:
+	b.ge		.Lfold_128_bytes_loop_\@
 
 	// Now fold the 112 bytes in v0-v6 into the 16 bytes in v7.
 
@@ -453,7 +428,9 @@
 	// Final CRC value (x^16 * M(x)) mod G(x) is in low 16 bits of v0.
 
 	umov		w0, v0.h[0]
-	frame_pop
+	.ifc		\p, p8
+	ldp		x29, x30, [sp], #16
+	.endif
 	ret
 
 .Lless_than_256_bytes_\@:
@@ -489,7 +466,9 @@
 // Assumes len >= 16.
 //
 SYM_FUNC_START(crc_t10dif_pmull_p8)
-	crc_t10dif_pmull	p8
+	stp		x29, x30, [sp, #-16]!
+	mov		x29, sp
+	crc_t10dif_pmull p8
 SYM_FUNC_END(crc_t10dif_pmull_p8)
 
 	.align		5
diff --git a/arch/arm64/crypto/crct10dif-ce-glue.c b/arch/arm64/crypto/crct10dif-ce-glue.c
index ccc3f60..09eb145 100644
--- a/arch/arm64/crypto/crct10dif-ce-glue.c
+++ b/arch/arm64/crypto/crct10dif-ce-glue.c
@@ -37,9 +37,18 @@
 	u16 *crc = shash_desc_ctx(desc);
 
 	if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE && crypto_simd_usable()) {
-		kernel_neon_begin();
-		*crc = crc_t10dif_pmull_p8(*crc, data, length);
-		kernel_neon_end();
+		do {
+			unsigned int chunk = length;
+
+			if (chunk > SZ_4K + CRC_T10DIF_PMULL_CHUNK_SIZE)
+				chunk = SZ_4K;
+
+			kernel_neon_begin();
+			*crc = crc_t10dif_pmull_p8(*crc, data, chunk);
+			kernel_neon_end();
+			data += chunk;
+			length -= chunk;
+		} while (length);
 	} else {
 		*crc = crc_t10dif_generic(*crc, data, length);
 	}
@@ -53,9 +62,18 @@
 	u16 *crc = shash_desc_ctx(desc);
 
 	if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE && crypto_simd_usable()) {
-		kernel_neon_begin();
-		*crc = crc_t10dif_pmull_p64(*crc, data, length);
-		kernel_neon_end();
+		do {
+			unsigned int chunk = length;
+
+			if (chunk > SZ_4K + CRC_T10DIF_PMULL_CHUNK_SIZE)
+				chunk = SZ_4K;
+
+			kernel_neon_begin();
+			*crc = crc_t10dif_pmull_p64(*crc, data, chunk);
+			kernel_neon_end();
+			data += chunk;
+			length -= chunk;
+		} while (length);
 	} else {
 		*crc = crc_t10dif_generic(*crc, data, length);
 	}
diff --git a/arch/arm64/crypto/ghash-ce-core.S b/arch/arm64/crypto/ghash-ce-core.S
index 6b958dc..7868330 100644
--- a/arch/arm64/crypto/ghash-ce-core.S
+++ b/arch/arm64/crypto/ghash-ce-core.S
@@ -544,7 +544,22 @@
 	ext		XL.16b, XL.16b, XL.16b, #8
 	rev64		XL.16b, XL.16b
 	eor		XL.16b, XL.16b, KS0.16b
+
+	.if		\enc == 1
 	st1		{XL.16b}, [x10]			// store tag
+	.else
+	ldp		x11, x12, [sp, #40]		// load tag pointer and authsize
+	adr_l		x17, .Lpermute_table
+	ld1		{KS0.16b}, [x11]		// load supplied tag
+	add		x17, x17, x12
+	ld1		{KS1.16b}, [x17]		// load permute vector
+
+	cmeq		XL.16b, XL.16b, KS0.16b		// compare tags
+	mvn		XL.16b, XL.16b			// -1 for fail, 0 for pass
+	tbl		XL.16b, {XL.16b}, KS1.16b	// keep authsize bytes only
+	sminv		b0, XL.16b			// signed minimum across XL
+	smov		w0, v0.b[0]			// return b0
+	.endif
 
 4:	ldp		x29, x30, [sp], #32
 	ret
diff --git a/arch/arm64/crypto/ghash-ce-glue.c b/arch/arm64/crypto/ghash-ce-glue.c
index 8536008..184602a 100644
--- a/arch/arm64/crypto/ghash-ce-glue.c
+++ b/arch/arm64/crypto/ghash-ce-glue.c
@@ -55,10 +55,10 @@
 asmlinkage void pmull_gcm_encrypt(int bytes, u8 dst[], const u8 src[],
 				  u64 const h[][2], u64 dg[], u8 ctr[],
 				  u32 const rk[], int rounds, u8 tag[]);
-
-asmlinkage void pmull_gcm_decrypt(int bytes, u8 dst[], const u8 src[],
-				  u64 const h[][2], u64 dg[], u8 ctr[],
-				  u32 const rk[], int rounds, u8 tag[]);
+asmlinkage int pmull_gcm_decrypt(int bytes, u8 dst[], const u8 src[],
+				 u64 const h[][2], u64 dg[], u8 ctr[],
+				 u32 const rk[], int rounds, const u8 l[],
+				 const u8 tag[], u64 authsize);
 
 static int ghash_init(struct shash_desc *desc)
 {
@@ -458,6 +458,7 @@
 	unsigned int authsize = crypto_aead_authsize(aead);
 	int nrounds = num_rounds(&ctx->aes_key);
 	struct skcipher_walk walk;
+	u8 otag[AES_BLOCK_SIZE];
 	u8 buf[AES_BLOCK_SIZE];
 	u8 iv[AES_BLOCK_SIZE];
 	u64 dg[2] = {};
@@ -474,9 +475,15 @@
 	memcpy(iv, req->iv, GCM_IV_SIZE);
 	put_unaligned_be32(2, iv + GCM_IV_SIZE);
 
+	scatterwalk_map_and_copy(otag, req->src,
+				 req->assoclen + req->cryptlen - authsize,
+				 authsize, 0);
+
 	err = skcipher_walk_aead_decrypt(&walk, req, false);
 
 	if (likely(crypto_simd_usable())) {
+		int ret;
+
 		do {
 			const u8 *src = walk.src.virt.addr;
 			u8 *dst = walk.dst.virt.addr;
@@ -493,9 +500,10 @@
 			}
 
 			kernel_neon_begin();
-			pmull_gcm_decrypt(nbytes, dst, src, ctx->ghash_key.h,
-					  dg, iv, ctx->aes_key.key_enc, nrounds,
-					  tag);
+			ret = pmull_gcm_decrypt(nbytes, dst, src,
+						ctx->ghash_key.h,
+						dg, iv, ctx->aes_key.key_enc,
+						nrounds, tag, otag, authsize);
 			kernel_neon_end();
 
 			if (unlikely(!nbytes))
@@ -507,6 +515,11 @@
 
 			err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
 		} while (walk.nbytes);
+
+		if (err)
+			return err;
+		if (ret)
+			return -EBADMSG;
 	} else {
 		while (walk.nbytes >= AES_BLOCK_SIZE) {
 			int blocks = walk.nbytes / AES_BLOCK_SIZE;
@@ -548,23 +561,20 @@
 			err = skcipher_walk_done(&walk, 0);
 		}
 
+		if (err)
+			return err;
+
 		put_unaligned_be64(dg[1], tag);
 		put_unaligned_be64(dg[0], tag + 8);
 		put_unaligned_be32(1, iv + GCM_IV_SIZE);
 		aes_encrypt(&ctx->aes_key, iv, iv);
 		crypto_xor(tag, iv, AES_BLOCK_SIZE);
+
+		if (crypto_memneq(tag, otag, authsize)) {
+			memzero_explicit(tag, AES_BLOCK_SIZE);
+			return -EBADMSG;
+		}
 	}
-
-	if (err)
-		return err;
-
-	/* compare calculated auth tag with the stored one */
-	scatterwalk_map_and_copy(buf, req->src,
-				 req->assoclen + req->cryptlen - authsize,
-				 authsize, 0);
-
-	if (crypto_memneq(tag, buf, authsize))
-		return -EBADMSG;
 	return 0;
 }
 
diff --git a/arch/arm64/crypto/sha1-ce-core.S b/arch/arm64/crypto/sha1-ce-core.S
index 92d0d27..889ca0f 100644
--- a/arch/arm64/crypto/sha1-ce-core.S
+++ b/arch/arm64/crypto/sha1-ce-core.S
@@ -62,40 +62,34 @@
 	.endm
 
 	/*
-	 * void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
-	 *			  int blocks)
+	 * int sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
+	 *			 int blocks)
 	 */
 SYM_FUNC_START(sha1_ce_transform)
-	frame_push	3
-
-	mov		x19, x0
-	mov		x20, x1
-	mov		x21, x2
-
 	/* load round constants */
-0:	loadrc		k0.4s, 0x5a827999, w6
+	loadrc		k0.4s, 0x5a827999, w6
 	loadrc		k1.4s, 0x6ed9eba1, w6
 	loadrc		k2.4s, 0x8f1bbcdc, w6
 	loadrc		k3.4s, 0xca62c1d6, w6
 
 	/* load state */
-	ld1		{dgav.4s}, [x19]
-	ldr		dgb, [x19, #16]
+	ld1		{dgav.4s}, [x0]
+	ldr		dgb, [x0, #16]
 
 	/* load sha1_ce_state::finalize */
 	ldr_l		w4, sha1_ce_offsetof_finalize, x4
-	ldr		w4, [x19, x4]
+	ldr		w4, [x0, x4]
 
 	/* load input */
-1:	ld1		{v8.4s-v11.4s}, [x20], #64
-	sub		w21, w21, #1
+0:	ld1		{v8.4s-v11.4s}, [x1], #64
+	sub		w2, w2, #1
 
 CPU_LE(	rev32		v8.16b, v8.16b		)
 CPU_LE(	rev32		v9.16b, v9.16b		)
 CPU_LE(	rev32		v10.16b, v10.16b	)
 CPU_LE(	rev32		v11.16b, v11.16b	)
 
-2:	add		t0.4s, v8.4s, k0.4s
+1:	add		t0.4s, v8.4s, k0.4s
 	mov		dg0v.16b, dgav.16b
 
 	add_update	c, ev, k0,  8,  9, 10, 11, dgb
@@ -126,25 +120,18 @@
 	add		dgbv.2s, dgbv.2s, dg1v.2s
 	add		dgav.4s, dgav.4s, dg0v.4s
 
-	cbz		w21, 3f
-
-	if_will_cond_yield_neon
-	st1		{dgav.4s}, [x19]
-	str		dgb, [x19, #16]
-	do_cond_yield_neon
+	cbz		w2, 2f
+	cond_yield	3f, x5, x6
 	b		0b
-	endif_yield_neon
-
-	b		1b
 
 	/*
 	 * Final block: add padding and total bit count.
 	 * Skip if the input size was not a round multiple of the block size,
 	 * the padding is handled by the C code in that case.
 	 */
-3:	cbz		x4, 4f
+2:	cbz		x4, 3f
 	ldr_l		w4, sha1_ce_offsetof_count, x4
-	ldr		x4, [x19, x4]
+	ldr		x4, [x0, x4]
 	movi		v9.2d, #0
 	mov		x8, #0x80000000
 	movi		v10.2d, #0
@@ -153,11 +140,11 @@
 	mov		x4, #0
 	mov		v11.d[0], xzr
 	mov		v11.d[1], x7
-	b		2b
+	b		1b
 
 	/* store new state */
-4:	st1		{dgav.4s}, [x19]
-	str		dgb, [x19, #16]
-	frame_pop
+3:	st1		{dgav.4s}, [x0]
+	str		dgb, [x0, #16]
+	mov		w0, w2
 	ret
 SYM_FUNC_END(sha1_ce_transform)
diff --git a/arch/arm64/crypto/sha1-ce-glue.c b/arch/arm64/crypto/sha1-ce-glue.c
index 8baf8d1..c175765 100644
--- a/arch/arm64/crypto/sha1-ce-glue.c
+++ b/arch/arm64/crypto/sha1-ce-glue.c
@@ -29,14 +29,22 @@
 extern const u32 sha1_ce_offsetof_count;
 extern const u32 sha1_ce_offsetof_finalize;
 
-asmlinkage void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
-				  int blocks);
+asmlinkage int sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
+				 int blocks);
 
 static void __sha1_ce_transform(struct sha1_state *sst, u8 const *src,
 				int blocks)
 {
-	sha1_ce_transform(container_of(sst, struct sha1_ce_state, sst), src,
-			  blocks);
+	while (blocks) {
+		int rem;
+
+		kernel_neon_begin();
+		rem = sha1_ce_transform(container_of(sst, struct sha1_ce_state,
+						     sst), src, blocks);
+		kernel_neon_end();
+		src += (blocks - rem) * SHA1_BLOCK_SIZE;
+		blocks = rem;
+	}
 }
 
 const u32 sha1_ce_offsetof_count = offsetof(struct sha1_ce_state, sst.count);
@@ -51,9 +59,7 @@
 		return crypto_sha1_update(desc, data, len);
 
 	sctx->finalize = 0;
-	kernel_neon_begin();
 	sha1_base_do_update(desc, data, len, __sha1_ce_transform);
-	kernel_neon_end();
 
 	return 0;
 }
@@ -73,11 +79,9 @@
 	 */
 	sctx->finalize = finalize;
 
-	kernel_neon_begin();
 	sha1_base_do_update(desc, data, len, __sha1_ce_transform);
 	if (!finalize)
 		sha1_base_do_finalize(desc, __sha1_ce_transform);
-	kernel_neon_end();
 	return sha1_base_finish(desc, out);
 }
 
@@ -89,9 +93,7 @@
 		return crypto_sha1_finup(desc, NULL, 0, out);
 
 	sctx->finalize = 0;
-	kernel_neon_begin();
 	sha1_base_do_finalize(desc, __sha1_ce_transform);
-	kernel_neon_end();
 	return sha1_base_finish(desc, out);
 }
 
diff --git a/arch/arm64/crypto/sha2-ce-core.S b/arch/arm64/crypto/sha2-ce-core.S
index 3f9d0f3..49117992 100644
--- a/arch/arm64/crypto/sha2-ce-core.S
+++ b/arch/arm64/crypto/sha2-ce-core.S
@@ -76,36 +76,30 @@
 	 */
 	.text
 SYM_FUNC_START(sha2_ce_transform)
-	frame_push	3
-
-	mov		x19, x0
-	mov		x20, x1
-	mov		x21, x2
-
 	/* load round constants */
-0:	adr_l		x8, .Lsha2_rcon
+	adr_l		x8, .Lsha2_rcon
 	ld1		{ v0.4s- v3.4s}, [x8], #64
 	ld1		{ v4.4s- v7.4s}, [x8], #64
 	ld1		{ v8.4s-v11.4s}, [x8], #64
 	ld1		{v12.4s-v15.4s}, [x8]
 
 	/* load state */
-	ld1		{dgav.4s, dgbv.4s}, [x19]
+	ld1		{dgav.4s, dgbv.4s}, [x0]
 
 	/* load sha256_ce_state::finalize */
 	ldr_l		w4, sha256_ce_offsetof_finalize, x4
-	ldr		w4, [x19, x4]
+	ldr		w4, [x0, x4]
 
 	/* load input */
-1:	ld1		{v16.4s-v19.4s}, [x20], #64
-	sub		w21, w21, #1
+0:	ld1		{v16.4s-v19.4s}, [x1], #64
+	sub		w2, w2, #1
 
 CPU_LE(	rev32		v16.16b, v16.16b	)
 CPU_LE(	rev32		v17.16b, v17.16b	)
 CPU_LE(	rev32		v18.16b, v18.16b	)
 CPU_LE(	rev32		v19.16b, v19.16b	)
 
-2:	add		t0.4s, v16.4s, v0.4s
+1:	add		t0.4s, v16.4s, v0.4s
 	mov		dg0v.16b, dgav.16b
 	mov		dg1v.16b, dgbv.16b
 
@@ -134,24 +128,18 @@
 	add		dgbv.4s, dgbv.4s, dg1v.4s
 
 	/* handled all input blocks? */
-	cbz		w21, 3f
-
-	if_will_cond_yield_neon
-	st1		{dgav.4s, dgbv.4s}, [x19]
-	do_cond_yield_neon
+	cbz		w2, 2f
+	cond_yield	3f, x5, x6
 	b		0b
-	endif_yield_neon
-
-	b		1b
 
 	/*
 	 * Final block: add padding and total bit count.
 	 * Skip if the input size was not a round multiple of the block size,
 	 * the padding is handled by the C code in that case.
 	 */
-3:	cbz		x4, 4f
+2:	cbz		x4, 3f
 	ldr_l		w4, sha256_ce_offsetof_count, x4
-	ldr		x4, [x19, x4]
+	ldr		x4, [x0, x4]
 	movi		v17.2d, #0
 	mov		x8, #0x80000000
 	movi		v18.2d, #0
@@ -160,10 +148,10 @@
 	mov		x4, #0
 	mov		v19.d[0], xzr
 	mov		v19.d[1], x7
-	b		2b
+	b		1b
 
 	/* store new state */
-4:	st1		{dgav.4s, dgbv.4s}, [x19]
-	frame_pop
+3:	st1		{dgav.4s, dgbv.4s}, [x0]
+	mov		w0, w2
 	ret
 SYM_FUNC_END(sha2_ce_transform)
diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c
index d33d3ee..1cfc4f6 100644
--- a/arch/arm64/crypto/sha2-ce-glue.c
+++ b/arch/arm64/crypto/sha2-ce-glue.c
@@ -30,14 +30,22 @@
 extern const u32 sha256_ce_offsetof_count;
 extern const u32 sha256_ce_offsetof_finalize;
 
-asmlinkage void sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
-				  int blocks);
+asmlinkage int sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
+				 int blocks);
 
 static void __sha2_ce_transform(struct sha256_state *sst, u8 const *src,
 				int blocks)
 {
-	sha2_ce_transform(container_of(sst, struct sha256_ce_state, sst), src,
-			  blocks);
+	while (blocks) {
+		int rem;
+
+		kernel_neon_begin();
+		rem = sha2_ce_transform(container_of(sst, struct sha256_ce_state,
+						     sst), src, blocks);
+		kernel_neon_end();
+		src += (blocks - rem) * SHA256_BLOCK_SIZE;
+		blocks = rem;
+	}
 }
 
 const u32 sha256_ce_offsetof_count = offsetof(struct sha256_ce_state,
@@ -63,9 +71,7 @@
 				__sha256_block_data_order);
 
 	sctx->finalize = 0;
-	kernel_neon_begin();
 	sha256_base_do_update(desc, data, len, __sha2_ce_transform);
-	kernel_neon_end();
 
 	return 0;
 }
@@ -90,11 +96,9 @@
 	 */
 	sctx->finalize = finalize;
 
-	kernel_neon_begin();
 	sha256_base_do_update(desc, data, len, __sha2_ce_transform);
 	if (!finalize)
 		sha256_base_do_finalize(desc, __sha2_ce_transform);
-	kernel_neon_end();
 	return sha256_base_finish(desc, out);
 }
 
@@ -108,9 +112,7 @@
 	}
 
 	sctx->finalize = 0;
-	kernel_neon_begin();
 	sha256_base_do_finalize(desc, __sha2_ce_transform);
-	kernel_neon_end();
 	return sha256_base_finish(desc, out);
 }
 
diff --git a/arch/arm64/crypto/sha3-ce-core.S b/arch/arm64/crypto/sha3-ce-core.S
index 1cfb768..9c77313f 100644
--- a/arch/arm64/crypto/sha3-ce-core.S
+++ b/arch/arm64/crypto/sha3-ce-core.S
@@ -37,20 +37,13 @@
 	.endm
 
 	/*
-	 * sha3_ce_transform(u64 *st, const u8 *data, int blocks, int dg_size)
+	 * int sha3_ce_transform(u64 *st, const u8 *data, int blocks, int dg_size)
 	 */
 	.text
 SYM_FUNC_START(sha3_ce_transform)
-	frame_push	4
-
-	mov	x19, x0
-	mov	x20, x1
-	mov	x21, x2
-	mov	x22, x3
-
-0:	/* load state */
-	add	x8, x19, #32
-	ld1	{ v0.1d- v3.1d}, [x19]
+	/* load state */
+	add	x8, x0, #32
+	ld1	{ v0.1d- v3.1d}, [x0]
 	ld1	{ v4.1d- v7.1d}, [x8], #32
 	ld1	{ v8.1d-v11.1d}, [x8], #32
 	ld1	{v12.1d-v15.1d}, [x8], #32
@@ -58,13 +51,13 @@
 	ld1	{v20.1d-v23.1d}, [x8], #32
 	ld1	{v24.1d}, [x8]
 
-1:	sub	w21, w21, #1
+0:	sub	w2, w2, #1
 	mov	w8, #24
 	adr_l	x9, .Lsha3_rcon
 
 	/* load input */
-	ld1	{v25.8b-v28.8b}, [x20], #32
-	ld1	{v29.8b-v31.8b}, [x20], #24
+	ld1	{v25.8b-v28.8b}, [x1], #32
+	ld1	{v29.8b-v31.8b}, [x1], #24
 	eor	v0.8b, v0.8b, v25.8b
 	eor	v1.8b, v1.8b, v26.8b
 	eor	v2.8b, v2.8b, v27.8b
@@ -73,10 +66,10 @@
 	eor	v5.8b, v5.8b, v30.8b
 	eor	v6.8b, v6.8b, v31.8b
 
-	tbnz	x22, #6, 3f		// SHA3-512
+	tbnz	x3, #6, 2f		// SHA3-512
 
-	ld1	{v25.8b-v28.8b}, [x20], #32
-	ld1	{v29.8b-v30.8b}, [x20], #16
+	ld1	{v25.8b-v28.8b}, [x1], #32
+	ld1	{v29.8b-v30.8b}, [x1], #16
 	eor	 v7.8b,  v7.8b, v25.8b
 	eor	 v8.8b,  v8.8b, v26.8b
 	eor	 v9.8b,  v9.8b, v27.8b
@@ -84,34 +77,34 @@
 	eor	v11.8b, v11.8b, v29.8b
 	eor	v12.8b, v12.8b, v30.8b
 
-	tbnz	x22, #4, 2f		// SHA3-384 or SHA3-224
+	tbnz	x3, #4, 1f		// SHA3-384 or SHA3-224
 
 	// SHA3-256
-	ld1	{v25.8b-v28.8b}, [x20], #32
+	ld1	{v25.8b-v28.8b}, [x1], #32
 	eor	v13.8b, v13.8b, v25.8b
 	eor	v14.8b, v14.8b, v26.8b
 	eor	v15.8b, v15.8b, v27.8b
 	eor	v16.8b, v16.8b, v28.8b
-	b	4f
+	b	3f
 
-2:	tbz	x22, #2, 4f		// bit 2 cleared? SHA-384
+1:	tbz	x3, #2, 3f		// bit 2 cleared? SHA-384
 
 	// SHA3-224
-	ld1	{v25.8b-v28.8b}, [x20], #32
-	ld1	{v29.8b}, [x20], #8
+	ld1	{v25.8b-v28.8b}, [x1], #32
+	ld1	{v29.8b}, [x1], #8
 	eor	v13.8b, v13.8b, v25.8b
 	eor	v14.8b, v14.8b, v26.8b
 	eor	v15.8b, v15.8b, v27.8b
 	eor	v16.8b, v16.8b, v28.8b
 	eor	v17.8b, v17.8b, v29.8b
-	b	4f
+	b	3f
 
 	// SHA3-512
-3:	ld1	{v25.8b-v26.8b}, [x20], #16
+2:	ld1	{v25.8b-v26.8b}, [x1], #16
 	eor	 v7.8b,  v7.8b, v25.8b
 	eor	 v8.8b,  v8.8b, v26.8b
 
-4:	sub	w8, w8, #1
+3:	sub	w8, w8, #1
 
 	eor3	v29.16b,  v4.16b,  v9.16b, v14.16b
 	eor3	v26.16b,  v1.16b,  v6.16b, v11.16b
@@ -190,33 +183,19 @@
 
 	eor	 v0.16b,  v0.16b, v31.16b
 
-	cbnz	w8, 4b
-	cbz	w21, 5f
-
-	if_will_cond_yield_neon
-	add	x8, x19, #32
-	st1	{ v0.1d- v3.1d}, [x19]
-	st1	{ v4.1d- v7.1d}, [x8], #32
-	st1	{ v8.1d-v11.1d}, [x8], #32
-	st1	{v12.1d-v15.1d}, [x8], #32
-	st1	{v16.1d-v19.1d}, [x8], #32
-	st1	{v20.1d-v23.1d}, [x8], #32
-	st1	{v24.1d}, [x8]
-	do_cond_yield_neon
-	b		0b
-	endif_yield_neon
-
-	b	1b
+	cbnz	w8, 3b
+	cond_yield 4f, x8, x9
+	cbnz	w2, 0b
 
 	/* save state */
-5:	st1	{ v0.1d- v3.1d}, [x19], #32
-	st1	{ v4.1d- v7.1d}, [x19], #32
-	st1	{ v8.1d-v11.1d}, [x19], #32
-	st1	{v12.1d-v15.1d}, [x19], #32
-	st1	{v16.1d-v19.1d}, [x19], #32
-	st1	{v20.1d-v23.1d}, [x19], #32
-	st1	{v24.1d}, [x19]
-	frame_pop
+4:	st1	{ v0.1d- v3.1d}, [x0], #32
+	st1	{ v4.1d- v7.1d}, [x0], #32
+	st1	{ v8.1d-v11.1d}, [x0], #32
+	st1	{v12.1d-v15.1d}, [x0], #32
+	st1	{v16.1d-v19.1d}, [x0], #32
+	st1	{v20.1d-v23.1d}, [x0], #32
+	st1	{v24.1d}, [x0]
+	mov	w0, w2
 	ret
 SYM_FUNC_END(sha3_ce_transform)
 
diff --git a/arch/arm64/crypto/sha3-ce-glue.c b/arch/arm64/crypto/sha3-ce-glue.c
index ddf7aca..d6cfb79 100644
--- a/arch/arm64/crypto/sha3-ce-glue.c
+++ b/arch/arm64/crypto/sha3-ce-glue.c
@@ -28,8 +28,8 @@
 MODULE_ALIAS_CRYPTO("sha3-384");
 MODULE_ALIAS_CRYPTO("sha3-512");
 
-asmlinkage void sha3_ce_transform(u64 *st, const u8 *data, int blocks,
-				  int md_len);
+asmlinkage int sha3_ce_transform(u64 *st, const u8 *data, int blocks,
+				 int md_len);
 
 static int sha3_update(struct shash_desc *desc, const u8 *data,
 		       unsigned int len)
@@ -59,11 +59,15 @@
 		blocks = len / sctx->rsiz;
 		len %= sctx->rsiz;
 
-		if (blocks) {
+		while (blocks) {
+			int rem;
+
 			kernel_neon_begin();
-			sha3_ce_transform(sctx->st, data, blocks, digest_size);
+			rem = sha3_ce_transform(sctx->st, data, blocks,
+						digest_size);
 			kernel_neon_end();
-			data += blocks * sctx->rsiz;
+			data += (blocks - rem) * sctx->rsiz;
+			blocks = rem;
 		}
 	}
 
diff --git a/arch/arm64/crypto/sha512-ce-core.S b/arch/arm64/crypto/sha512-ce-core.S
index cde606c..b6a3a36 100644
--- a/arch/arm64/crypto/sha512-ce-core.S
+++ b/arch/arm64/crypto/sha512-ce-core.S
@@ -107,23 +107,17 @@
 	 */
 	.text
 SYM_FUNC_START(sha512_ce_transform)
-	frame_push	3
-
-	mov		x19, x0
-	mov		x20, x1
-	mov		x21, x2
-
 	/* load state */
-0:	ld1		{v8.2d-v11.2d}, [x19]
+	ld1		{v8.2d-v11.2d}, [x0]
 
 	/* load first 4 round constants */
 	adr_l		x3, .Lsha512_rcon
 	ld1		{v20.2d-v23.2d}, [x3], #64
 
 	/* load input */
-1:	ld1		{v12.2d-v15.2d}, [x20], #64
-	ld1		{v16.2d-v19.2d}, [x20], #64
-	sub		w21, w21, #1
+0:	ld1		{v12.2d-v15.2d}, [x1], #64
+	ld1		{v16.2d-v19.2d}, [x1], #64
+	sub		w2, w2, #1
 
 CPU_LE(	rev64		v12.16b, v12.16b	)
 CPU_LE(	rev64		v13.16b, v13.16b	)
@@ -201,19 +195,12 @@
 	add		v10.2d, v10.2d, v2.2d
 	add		v11.2d, v11.2d, v3.2d
 
+	cond_yield	3f, x4, x5
 	/* handled all input blocks? */
-	cbz		w21, 3f
-
-	if_will_cond_yield_neon
-	st1		{v8.2d-v11.2d}, [x19]
-	do_cond_yield_neon
-	b		0b
-	endif_yield_neon
-
-	b		1b
+	cbnz		w2, 0b
 
 	/* store new state */
-3:	st1		{v8.2d-v11.2d}, [x19]
-	frame_pop
+3:	st1		{v8.2d-v11.2d}, [x0]
+	mov		w0, w2
 	ret
 SYM_FUNC_END(sha512_ce_transform)
diff --git a/arch/arm64/crypto/sha512-ce-glue.c b/arch/arm64/crypto/sha512-ce-glue.c
index 57c6f086..04adf2c 100644
--- a/arch/arm64/crypto/sha512-ce-glue.c
+++ b/arch/arm64/crypto/sha512-ce-glue.c
@@ -26,11 +26,25 @@
 MODULE_ALIAS_CRYPTO("sha384");
 MODULE_ALIAS_CRYPTO("sha512");
 
-asmlinkage void sha512_ce_transform(struct sha512_state *sst, u8 const *src,
-				    int blocks);
+asmlinkage int sha512_ce_transform(struct sha512_state *sst, u8 const *src,
+				   int blocks);
 
 asmlinkage void sha512_block_data_order(u64 *digest, u8 const *src, int blocks);
 
+static void __sha512_ce_transform(struct sha512_state *sst, u8 const *src,
+				  int blocks)
+{
+	while (blocks) {
+		int rem;
+
+		kernel_neon_begin();
+		rem = sha512_ce_transform(sst, src, blocks);
+		kernel_neon_end();
+		src += (blocks - rem) * SHA512_BLOCK_SIZE;
+		blocks = rem;
+	}
+}
+
 static void __sha512_block_data_order(struct sha512_state *sst, u8 const *src,
 				      int blocks)
 {
@@ -40,45 +54,30 @@
 static int sha512_ce_update(struct shash_desc *desc, const u8 *data,
 			    unsigned int len)
 {
-	if (!crypto_simd_usable())
-		return sha512_base_do_update(desc, data, len,
-					     __sha512_block_data_order);
+	sha512_block_fn *fn = crypto_simd_usable() ? __sha512_ce_transform
+						   : __sha512_block_data_order;
 
-	kernel_neon_begin();
-	sha512_base_do_update(desc, data, len, sha512_ce_transform);
-	kernel_neon_end();
-
+	sha512_base_do_update(desc, data, len, fn);
 	return 0;
 }
 
 static int sha512_ce_finup(struct shash_desc *desc, const u8 *data,
 			   unsigned int len, u8 *out)
 {
-	if (!crypto_simd_usable()) {
-		if (len)
-			sha512_base_do_update(desc, data, len,
-					      __sha512_block_data_order);
-		sha512_base_do_finalize(desc, __sha512_block_data_order);
-		return sha512_base_finish(desc, out);
-	}
+	sha512_block_fn *fn = crypto_simd_usable() ? __sha512_ce_transform
+						   : __sha512_block_data_order;
 
-	kernel_neon_begin();
-	sha512_base_do_update(desc, data, len, sha512_ce_transform);
-	sha512_base_do_finalize(desc, sha512_ce_transform);
-	kernel_neon_end();
+	sha512_base_do_update(desc, data, len, fn);
+	sha512_base_do_finalize(desc, fn);
 	return sha512_base_finish(desc, out);
 }
 
 static int sha512_ce_final(struct shash_desc *desc, u8 *out)
 {
-	if (!crypto_simd_usable()) {
-		sha512_base_do_finalize(desc, __sha512_block_data_order);
-		return sha512_base_finish(desc, out);
-	}
+	sha512_block_fn *fn = crypto_simd_usable() ? __sha512_ce_transform
+						   : __sha512_block_data_order;
 
-	kernel_neon_begin();
-	sha512_base_do_finalize(desc, sha512_ce_transform);
-	kernel_neon_end();
+	sha512_base_do_finalize(desc, fn);
 	return sha512_base_finish(desc, out);
 }
 
diff --git a/arch/arm64/include/asm/alternative-macros.h b/arch/arm64/include/asm/alternative-macros.h
new file mode 100644
index 0000000..9e2f222
--- /dev/null
+++ b/arch/arm64/include/asm/alternative-macros.h
@@ -0,0 +1,242 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_ALTERNATIVE_MACROS_H
+#define __ASM_ALTERNATIVE_MACROS_H
+
+#include <asm/cpucaps.h>
+
+#define ARM64_CB_PATCH ARM64_NCAPS
+
+/* A64 instructions are always 32 bits. */
+#define	AARCH64_INSN_SIZE		4
+
+#ifndef BUILD_FIPS140_KO
+#ifndef __ASSEMBLY__
+
+#include <linux/stringify.h>
+
+#define ALTINSTR_ENTRY(feature)					              \
+	" .word 661b - .\n"				/* label           */ \
+	" .word 663f - .\n"				/* new instruction */ \
+	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
+	" .byte 662b-661b\n"				/* source len      */ \
+	" .byte 664f-663f\n"				/* replacement len */
+
+#define ALTINSTR_ENTRY_CB(feature, cb)					      \
+	" .word 661b - .\n"				/* label           */ \
+	" .word " __stringify(cb) "- .\n"		/* callback */	      \
+	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
+	" .byte 662b-661b\n"				/* source len      */ \
+	" .byte 664f-663f\n"				/* replacement len */
+
+/*
+ * alternative assembly primitive:
+ *
+ * If any of these .org directive fail, it means that insn1 and insn2
+ * don't have the same length. This used to be written as
+ *
+ * .if ((664b-663b) != (662b-661b))
+ * 	.error "Alternatives instruction length mismatch"
+ * .endif
+ *
+ * but most assemblers die if insn1 or insn2 have a .inst. This should
+ * be fixed in a binutils release posterior to 2.25.51.0.2 (anything
+ * containing commit 4e4d08cf7399b606 or c1baaddf8861).
+ *
+ * Alternatives with callbacks do not generate replacement instructions.
+ */
+#define __ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg_enabled)	\
+	".if "__stringify(cfg_enabled)" == 1\n"				\
+	"661:\n\t"							\
+	oldinstr "\n"							\
+	"662:\n"							\
+	".pushsection .altinstructions,\"a\"\n"				\
+	ALTINSTR_ENTRY(feature)						\
+	".popsection\n"							\
+	".subsection 1\n"						\
+	"663:\n\t"							\
+	newinstr "\n"							\
+	"664:\n\t"							\
+	".org	. - (664b-663b) + (662b-661b)\n\t"			\
+	".org	. - (662b-661b) + (664b-663b)\n\t"			\
+	".previous\n"							\
+	".endif\n"
+
+#define __ALTERNATIVE_CFG_CB(oldinstr, feature, cfg_enabled, cb)	\
+	".if "__stringify(cfg_enabled)" == 1\n"				\
+	"661:\n\t"							\
+	oldinstr "\n"							\
+	"662:\n"							\
+	".pushsection .altinstructions,\"a\"\n"				\
+	ALTINSTR_ENTRY_CB(feature, cb)					\
+	".popsection\n"							\
+	"663:\n\t"							\
+	"664:\n\t"							\
+	".endif\n"
+
+#define _ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg, ...)	\
+	__ALTERNATIVE_CFG(oldinstr, newinstr, feature, IS_ENABLED(cfg))
+
+#define ALTERNATIVE_CB(oldinstr, cb) \
+	__ALTERNATIVE_CFG_CB(oldinstr, ARM64_CB_PATCH, 1, cb)
+#else
+
+#include <asm/assembler.h>
+
+.macro altinstruction_entry orig_offset alt_offset feature orig_len alt_len
+	.word \orig_offset - .
+	.word \alt_offset - .
+	.hword \feature
+	.byte \orig_len
+	.byte \alt_len
+.endm
+
+.macro alternative_insn insn1, insn2, cap, enable = 1
+	.if \enable
+661:	\insn1
+662:	.pushsection .altinstructions, "a"
+	altinstruction_entry 661b, 663f, \cap, 662b-661b, 664f-663f
+	.popsection
+	.subsection 1
+663:	\insn2
+664:	.org	. - (664b-663b) + (662b-661b)
+	.org	. - (662b-661b) + (664b-663b)
+	.previous
+	.endif
+.endm
+
+/*
+ * Alternative sequences
+ *
+ * The code for the case where the capability is not present will be
+ * assembled and linked as normal. There are no restrictions on this
+ * code.
+ *
+ * The code for the case where the capability is present will be
+ * assembled into a special section to be used for dynamic patching.
+ * Code for that case must:
+ *
+ * 1. Be exactly the same length (in bytes) as the default code
+ *    sequence.
+ *
+ * 2. Not contain a branch target that is used outside of the
+ *    alternative sequence it is defined in (branches into an
+ *    alternative sequence are not fixed up).
+ */
+
+/*
+ * Begin an alternative code sequence.
+ */
+.macro alternative_if_not cap
+	.set .Lasm_alt_mode, 0
+	.pushsection .altinstructions, "a"
+	altinstruction_entry 661f, 663f, \cap, 662f-661f, 664f-663f
+	.popsection
+661:
+.endm
+
+.macro alternative_if cap
+	.set .Lasm_alt_mode, 1
+	.pushsection .altinstructions, "a"
+	altinstruction_entry 663f, 661f, \cap, 664f-663f, 662f-661f
+	.popsection
+	.subsection 1
+	.align 2	/* So GAS knows label 661 is suitably aligned */
+661:
+.endm
+
+.macro alternative_cb cb
+	.set .Lasm_alt_mode, 0
+	.pushsection .altinstructions, "a"
+	altinstruction_entry 661f, \cb, ARM64_CB_PATCH, 662f-661f, 0
+	.popsection
+661:
+.endm
+
+/*
+ * Provide the other half of the alternative code sequence.
+ */
+.macro alternative_else
+662:
+	.if .Lasm_alt_mode==0
+	.subsection 1
+	.else
+	.previous
+	.endif
+663:
+.endm
+
+/*
+ * Complete an alternative code sequence.
+ */
+.macro alternative_endif
+664:
+	.org	. - (664b-663b) + (662b-661b)
+	.org	. - (662b-661b) + (664b-663b)
+	.if .Lasm_alt_mode==0
+	.previous
+	.endif
+.endm
+
+/*
+ * Callback-based alternative epilogue
+ */
+.macro alternative_cb_end
+662:
+.endm
+
+/*
+ * Provides a trivial alternative or default sequence consisting solely
+ * of NOPs. The number of NOPs is chosen automatically to match the
+ * previous case.
+ */
+.macro alternative_else_nop_endif
+alternative_else
+	nops	(662b-661b) / AARCH64_INSN_SIZE
+alternative_endif
+.endm
+
+#define _ALTERNATIVE_CFG(insn1, insn2, cap, cfg, ...)	\
+	alternative_insn insn1, insn2, cap, IS_ENABLED(cfg)
+
+#endif  /*  __ASSEMBLY__  */
+
+/*
+ * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature));
+ *
+ * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature, CONFIG_FOO));
+ * N.B. If CONFIG_FOO is specified, but not selected, the whole block
+ *      will be omitted, including oldinstr.
+ */
+#define ALTERNATIVE(oldinstr, newinstr, ...)   \
+	_ALTERNATIVE_CFG(oldinstr, newinstr, __VA_ARGS__, 1)
+
+#else
+
+/*
+ * The FIPS140 module does not support alternatives patching, as this
+ * invalidates the HMAC digest of the .text section. However, some alternatives
+ * are known to be irrelevant so we can tolerate them in the FIPS140 module, as
+ * they will never be applied in the first place in the use cases that the
+ * FIPS140 module targets (Android running on a production phone). Any other
+ * uses of alternatives should be avoided, as it is not safe in the general
+ * case to simply use the default sequence in one place (the fips module) and
+ * the alternative sequence everywhere else.
+ *
+ * Below is an allowlist of features that we can ignore, by simply taking the
+ * safe default instruction sequence. Note that this implies that the FIPS140
+ * module is not compatible with VHE, or with pseudo-NMI support.
+ */
+
+#define __ALT_ARM64_HAS_LDAPR			0,
+#define __ALT_ARM64_HAS_VIRT_HOST_EXTN		0,
+#define __ALT_ARM64_HAS_IRQ_PRIO_MASKING	0,
+
+#define ALTERNATIVE(oldinstr, newinstr, feature, ...)   \
+	_ALTERNATIVE(oldinstr, __ALT_ ## feature, #feature)
+
+#define _ALTERNATIVE(oldinstr, feature, feature_str)   \
+	__take_second_arg(feature oldinstr, \
+		".err Feature " feature_str " not supported in fips140 module")
+
+#endif /* BUILD_FIPS140_KO */
+#endif /* __ASM_ALTERNATIVE_MACROS_H */
diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
index 3cb3c4a..a38b92e 100644
--- a/arch/arm64/include/asm/alternative.h
+++ b/arch/arm64/include/asm/alternative.h
@@ -2,17 +2,13 @@
 #ifndef __ASM_ALTERNATIVE_H
 #define __ASM_ALTERNATIVE_H
 
-#include <asm/cpucaps.h>
-#include <asm/insn.h>
-
-#define ARM64_CB_PATCH ARM64_NCAPS
+#include <asm/alternative-macros.h>
 
 #ifndef __ASSEMBLY__
 
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/stddef.h>
-#include <linux/stringify.h>
 
 struct alt_instr {
 	s32 orig_offset;	/* offset to original instruction */
@@ -35,264 +31,5 @@
 static inline void apply_alternatives_module(void *start, size_t length) { }
 #endif
 
-#define ALTINSTR_ENTRY(feature)					              \
-	" .word 661b - .\n"				/* label           */ \
-	" .word 663f - .\n"				/* new instruction */ \
-	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
-	" .byte 662b-661b\n"				/* source len      */ \
-	" .byte 664f-663f\n"				/* replacement len */
-
-#define ALTINSTR_ENTRY_CB(feature, cb)					      \
-	" .word 661b - .\n"				/* label           */ \
-	" .word " __stringify(cb) "- .\n"		/* callback */	      \
-	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
-	" .byte 662b-661b\n"				/* source len      */ \
-	" .byte 664f-663f\n"				/* replacement len */
-
-/*
- * alternative assembly primitive:
- *
- * If any of these .org directive fail, it means that insn1 and insn2
- * don't have the same length. This used to be written as
- *
- * .if ((664b-663b) != (662b-661b))
- * 	.error "Alternatives instruction length mismatch"
- * .endif
- *
- * but most assemblers die if insn1 or insn2 have a .inst. This should
- * be fixed in a binutils release posterior to 2.25.51.0.2 (anything
- * containing commit 4e4d08cf7399b606 or c1baaddf8861).
- *
- * Alternatives with callbacks do not generate replacement instructions.
- */
-#define __ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg_enabled)	\
-	".if "__stringify(cfg_enabled)" == 1\n"				\
-	"661:\n\t"							\
-	oldinstr "\n"							\
-	"662:\n"							\
-	".pushsection .altinstructions,\"a\"\n"				\
-	ALTINSTR_ENTRY(feature)						\
-	".popsection\n"							\
-	".subsection 1\n"						\
-	"663:\n\t"							\
-	newinstr "\n"							\
-	"664:\n\t"							\
-	".org	. - (664b-663b) + (662b-661b)\n\t"			\
-	".org	. - (662b-661b) + (664b-663b)\n\t"			\
-	".previous\n"							\
-	".endif\n"
-
-#define __ALTERNATIVE_CFG_CB(oldinstr, feature, cfg_enabled, cb)	\
-	".if "__stringify(cfg_enabled)" == 1\n"				\
-	"661:\n\t"							\
-	oldinstr "\n"							\
-	"662:\n"							\
-	".pushsection .altinstructions,\"a\"\n"				\
-	ALTINSTR_ENTRY_CB(feature, cb)					\
-	".popsection\n"							\
-	"663:\n\t"							\
-	"664:\n\t"							\
-	".endif\n"
-
-#define _ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg, ...)	\
-	__ALTERNATIVE_CFG(oldinstr, newinstr, feature, IS_ENABLED(cfg))
-
-#define ALTERNATIVE_CB(oldinstr, cb) \
-	__ALTERNATIVE_CFG_CB(oldinstr, ARM64_CB_PATCH, 1, cb)
-#else
-
-#include <asm/assembler.h>
-
-.macro altinstruction_entry orig_offset alt_offset feature orig_len alt_len
-	.word \orig_offset - .
-	.word \alt_offset - .
-	.hword \feature
-	.byte \orig_len
-	.byte \alt_len
-.endm
-
-.macro alternative_insn insn1, insn2, cap, enable = 1
-	.if \enable
-661:	\insn1
-662:	.pushsection .altinstructions, "a"
-	altinstruction_entry 661b, 663f, \cap, 662b-661b, 664f-663f
-	.popsection
-	.subsection 1
-663:	\insn2
-664:	.org	. - (664b-663b) + (662b-661b)
-	.org	. - (662b-661b) + (664b-663b)
-	.previous
-	.endif
-.endm
-
-/*
- * Alternative sequences
- *
- * The code for the case where the capability is not present will be
- * assembled and linked as normal. There are no restrictions on this
- * code.
- *
- * The code for the case where the capability is present will be
- * assembled into a special section to be used for dynamic patching.
- * Code for that case must:
- *
- * 1. Be exactly the same length (in bytes) as the default code
- *    sequence.
- *
- * 2. Not contain a branch target that is used outside of the
- *    alternative sequence it is defined in (branches into an
- *    alternative sequence are not fixed up).
- */
-
-/*
- * Begin an alternative code sequence.
- */
-.macro alternative_if_not cap
-	.set .Lasm_alt_mode, 0
-	.pushsection .altinstructions, "a"
-	altinstruction_entry 661f, 663f, \cap, 662f-661f, 664f-663f
-	.popsection
-661:
-.endm
-
-.macro alternative_if cap
-	.set .Lasm_alt_mode, 1
-	.pushsection .altinstructions, "a"
-	altinstruction_entry 663f, 661f, \cap, 664f-663f, 662f-661f
-	.popsection
-	.subsection 1
-	.align 2	/* So GAS knows label 661 is suitably aligned */
-661:
-.endm
-
-.macro alternative_cb cb
-	.set .Lasm_alt_mode, 0
-	.pushsection .altinstructions, "a"
-	altinstruction_entry 661f, \cb, ARM64_CB_PATCH, 662f-661f, 0
-	.popsection
-661:
-.endm
-
-/*
- * Provide the other half of the alternative code sequence.
- */
-.macro alternative_else
-662:
-	.if .Lasm_alt_mode==0
-	.subsection 1
-	.else
-	.previous
-	.endif
-663:
-.endm
-
-/*
- * Complete an alternative code sequence.
- */
-.macro alternative_endif
-664:
-	.org	. - (664b-663b) + (662b-661b)
-	.org	. - (662b-661b) + (664b-663b)
-	.if .Lasm_alt_mode==0
-	.previous
-	.endif
-.endm
-
-/*
- * Callback-based alternative epilogue
- */
-.macro alternative_cb_end
-662:
-.endm
-
-/*
- * Provides a trivial alternative or default sequence consisting solely
- * of NOPs. The number of NOPs is chosen automatically to match the
- * previous case.
- */
-.macro alternative_else_nop_endif
-alternative_else
-	nops	(662b-661b) / AARCH64_INSN_SIZE
-alternative_endif
-.endm
-
-#define _ALTERNATIVE_CFG(insn1, insn2, cap, cfg, ...)	\
-	alternative_insn insn1, insn2, cap, IS_ENABLED(cfg)
-
-.macro user_alt, label, oldinstr, newinstr, cond
-9999:	alternative_insn "\oldinstr", "\newinstr", \cond
-	_asm_extable 9999b, \label
-.endm
-
-/*
- * Generate the assembly for UAO alternatives with exception table entries.
- * This is complicated as there is no post-increment or pair versions of the
- * unprivileged instructions, and USER() only works for single instructions.
- */
-#ifdef CONFIG_ARM64_UAO
-	.macro uao_ldp l, reg1, reg2, addr, post_inc
-		alternative_if_not ARM64_HAS_UAO
-8888:			ldp	\reg1, \reg2, [\addr], \post_inc;
-8889:			nop;
-			nop;
-		alternative_else
-			ldtr	\reg1, [\addr];
-			ldtr	\reg2, [\addr, #8];
-			add	\addr, \addr, \post_inc;
-		alternative_endif
-
-		_asm_extable	8888b,\l;
-		_asm_extable	8889b,\l;
-	.endm
-
-	.macro uao_stp l, reg1, reg2, addr, post_inc
-		alternative_if_not ARM64_HAS_UAO
-8888:			stp	\reg1, \reg2, [\addr], \post_inc;
-8889:			nop;
-			nop;
-		alternative_else
-			sttr	\reg1, [\addr];
-			sttr	\reg2, [\addr, #8];
-			add	\addr, \addr, \post_inc;
-		alternative_endif
-
-		_asm_extable	8888b,\l;
-		_asm_extable	8889b,\l;
-	.endm
-
-	.macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
-		alternative_if_not ARM64_HAS_UAO
-8888:			\inst	\reg, [\addr], \post_inc;
-			nop;
-		alternative_else
-			\alt_inst	\reg, [\addr];
-			add		\addr, \addr, \post_inc;
-		alternative_endif
-
-		_asm_extable	8888b,\l;
-	.endm
-#else
-	.macro uao_ldp l, reg1, reg2, addr, post_inc
-		USER(\l, ldp \reg1, \reg2, [\addr], \post_inc)
-	.endm
-	.macro uao_stp l, reg1, reg2, addr, post_inc
-		USER(\l, stp \reg1, \reg2, [\addr], \post_inc)
-	.endm
-	.macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
-		USER(\l, \inst \reg, [\addr], \post_inc)
-	.endm
-#endif
-
-#endif  /*  __ASSEMBLY__  */
-
-/*
- * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature));
- *
- * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature, CONFIG_FOO));
- * N.B. If CONFIG_FOO is specified, but not selected, the whole block
- *      will be omitted, including oldinstr.
- */
-#define ALTERNATIVE(oldinstr, newinstr, ...)   \
-	_ALTERNATIVE_CFG(oldinstr, newinstr, __VA_ARGS__, 1)
-
+#endif /* __ASSEMBLY__ */
 #endif /* __ASM_ALTERNATIVE_H */
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index 880b905..8dc3832 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -124,7 +124,8 @@
 #define gic_read_lpir(c)		readq_relaxed(c)
 #define gic_write_lpir(v, c)		writeq_relaxed(v, c)
 
-#define gic_flush_dcache_to_poc(a,l)	__flush_dcache_area((a), (l))
+#define gic_flush_dcache_to_poc(a,l)	\
+	dcache_clean_inval_poc((unsigned long)(a), (unsigned long)(a)+(l))
 
 #define gits_read_baser(c)		readq_relaxed(c)
 #define gits_write_baser(v, c)		writeq_relaxed(v, c)
diff --git a/arch/arm64/include/asm/archrandom.h b/arch/arm64/include/asm/archrandom.h
index ffb1a40..09e4327 100644
--- a/arch/arm64/include/asm/archrandom.h
+++ b/arch/arm64/include/asm/archrandom.h
@@ -4,10 +4,26 @@
 
 #ifdef CONFIG_ARCH_RANDOM
 
+#include <linux/arm-smccc.h>
 #include <linux/bug.h>
 #include <linux/kernel.h>
 #include <asm/cpufeature.h>
 
+#define ARM_SMCCC_TRNG_MIN_VERSION	0x10000UL
+
+extern bool smccc_trng_available;
+
+static inline bool __init smccc_probe_trng(void)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_VERSION, &res);
+	if ((s32)res.a0 < 0)
+		return false;
+
+	return res.a0 >= ARM_SMCCC_TRNG_MIN_VERSION;
+}
+
 static inline bool __arm64_rndr(unsigned long *v)
 {
 	bool ok;
@@ -38,26 +54,55 @@
 
 static inline bool __must_check arch_get_random_seed_long(unsigned long *v)
 {
+	struct arm_smccc_res res;
+
+	/*
+	 * We prefer the SMCCC call, since its semantics (return actual
+	 * hardware backed entropy) is closer to the idea behind this
+	 * function here than what even the RNDRSS register provides
+	 * (the output of a pseudo RNG freshly seeded by a TRNG).
+	 */
+	if (smccc_trng_available) {
+		arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND64, 64, &res);
+		if ((int)res.a0 >= 0) {
+			*v = res.a3;
+			return true;
+		}
+	}
+
 	/*
 	 * Only support the generic interface after we have detected
 	 * the system wide capability, avoiding complexity with the
 	 * cpufeature code and with potential scheduling between CPUs
 	 * with and without the feature.
 	 */
-	if (!cpus_have_const_cap(ARM64_HAS_RNG))
-		return false;
+	if (cpus_have_const_cap(ARM64_HAS_RNG) && __arm64_rndr(v))
+		return true;
 
-	return __arm64_rndr(v);
+	return false;
 }
 
-
 static inline bool __must_check arch_get_random_seed_int(unsigned int *v)
 {
+	struct arm_smccc_res res;
 	unsigned long val;
-	bool ok = arch_get_random_seed_long(&val);
 
-	*v = val;
-	return ok;
+	if (smccc_trng_available) {
+		arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND64, 32, &res);
+		if ((int)res.a0 >= 0) {
+			*v = res.a3 & GENMASK(31, 0);
+			return true;
+		}
+	}
+
+	if (cpus_have_const_cap(ARM64_HAS_RNG)) {
+		if (__arm64_rndr(&val)) {
+			*v = val;
+			return true;
+		}
+	}
+
+	return false;
 }
 
 static inline bool __init __early_cpu_has_rndr(void)
@@ -72,12 +117,29 @@
 {
 	WARN_ON(system_state != SYSTEM_BOOTING);
 
-	if (!__early_cpu_has_rndr())
-		return false;
+	if (smccc_trng_available) {
+		struct arm_smccc_res res;
 
-	return __arm64_rndr(v);
+		arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND64, 64, &res);
+		if ((int)res.a0 >= 0) {
+			*v = res.a3;
+			return true;
+		}
+	}
+
+	if (__early_cpu_has_rndr() && __arm64_rndr(v))
+		return true;
+
+	return false;
 }
 #define arch_get_random_seed_long_early arch_get_random_seed_long_early
 
+#else /* !CONFIG_ARCH_RANDOM */
+
+static inline bool __init smccc_probe_trng(void)
+{
+	return false;
+}
+
 #endif /* CONFIG_ARCH_RANDOM */
 #endif /* _ASM_ARCHRANDOM_H */
diff --git a/arch/arm64/include/asm/asm-prototypes.h b/arch/arm64/include/asm/asm-prototypes.h
index 1c9a3a0..ec1d965 100644
--- a/arch/arm64/include/asm/asm-prototypes.h
+++ b/arch/arm64/include/asm/asm-prototypes.h
@@ -23,4 +23,10 @@
 long long __ashrti3(long long a, int b);
 long long __lshrti3(long long a, int b);
 
+/*
+ * This function uses a custom calling convention and cannot be called from C so
+ * this prototype is not entirely accurate.
+ */
+void __hwasan_tag_mismatch(unsigned long addr, unsigned long access_info);
+
 #endif /* __ASM_PROTOTYPES_H */
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h
index 5ef624fef..aa05df4 100644
--- a/arch/arm64/include/asm/asm-uaccess.h
+++ b/arch/arm64/include/asm/asm-uaccess.h
@@ -2,7 +2,7 @@
 #ifndef __ASM_ASM_UACCESS_H
 #define __ASM_ASM_UACCESS_H
 
-#include <asm/alternative.h>
+#include <asm/alternative-macros.h>
 #include <asm/kernel-pgtable.h>
 #include <asm/mmu.h>
 #include <asm/sysreg.h>
@@ -58,4 +58,33 @@
 	.endm
 #endif
 
+/*
+ * Generate the assembly for LDTR/STTR with exception table entries.
+ * This is complicated as there is no post-increment or pair versions of the
+ * unprivileged instructions, and USER() only works for single instructions.
+ */
+	.macro uao_ldp l, reg1, reg2, addr, post_inc
+8888:		ldtr	\reg1, [\addr];
+8889:		ldtr	\reg2, [\addr, #8];
+		add	\addr, \addr, \post_inc;
+
+		_asm_extable	8888b,\l;
+		_asm_extable	8889b,\l;
+	.endm
+
+	.macro uao_stp l, reg1, reg2, addr, post_inc
+8888:		sttr	\reg1, [\addr];
+8889:		sttr	\reg2, [\addr, #8];
+		add	\addr, \addr, \post_inc;
+
+		_asm_extable	8888b,\l;
+		_asm_extable	8889b,\l;
+	.endm
+
+	.macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
+8888:		\alt_inst	\reg, [\addr];
+		add		\addr, \addr, \post_inc;
+
+		_asm_extable	8888b,\l;
+	.endm
 #endif
diff --git a/arch/arm64/include/asm/asm_pointer_auth.h b/arch/arm64/include/asm/asm_pointer_auth.h
index 52dead2..8ca2dc0 100644
--- a/arch/arm64/include/asm/asm_pointer_auth.h
+++ b/arch/arm64/include/asm/asm_pointer_auth.h
@@ -13,30 +13,12 @@
  * so use the base value of ldp as thread.keys_user and offset as
  * thread.keys_user.ap*.
  */
-	.macro ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3
+	.macro __ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3
 	mov	\tmp1, #THREAD_KEYS_USER
 	add	\tmp1, \tsk, \tmp1
-alternative_if_not ARM64_HAS_ADDRESS_AUTH
-	b	.Laddr_auth_skip_\@
-alternative_else_nop_endif
 	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIA]
 	msr_s	SYS_APIAKEYLO_EL1, \tmp2
 	msr_s	SYS_APIAKEYHI_EL1, \tmp3
-	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIB]
-	msr_s	SYS_APIBKEYLO_EL1, \tmp2
-	msr_s	SYS_APIBKEYHI_EL1, \tmp3
-	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDA]
-	msr_s	SYS_APDAKEYLO_EL1, \tmp2
-	msr_s	SYS_APDAKEYHI_EL1, \tmp3
-	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDB]
-	msr_s	SYS_APDBKEYLO_EL1, \tmp2
-	msr_s	SYS_APDBKEYHI_EL1, \tmp3
-.Laddr_auth_skip_\@:
-alternative_if ARM64_HAS_GENERIC_AUTH
-	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APGA]
-	msr_s	SYS_APGAKEYLO_EL1, \tmp2
-	msr_s	SYS_APGAKEYHI_EL1, \tmp3
-alternative_else_nop_endif
 	.endm
 
 	.macro __ptrauth_keys_install_kernel_nosync tsk, tmp1, tmp2, tmp3
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 011e681..c51ce0d 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -15,6 +15,8 @@
 #include <asm-generic/export.h>
 
 #include <asm/asm-offsets.h>
+#include <asm/asm-bug.h>
+#include <asm/alternative.h>
 #include <asm/cpufeature.h>
 #include <asm/cputype.h>
 #include <asm/debug-monitors.h>
@@ -23,6 +25,14 @@
 #include <asm/ptrace.h>
 #include <asm/thread_info.h>
 
+	/*
+	 * Provide a wxN alias for each wN register so what we can paste a xN
+	 * reference after a 'w' to obtain the 32-bit version.
+	 */
+	.irp	n,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
+	wx\n	.req	w\n
+	.endr
+
 	.macro save_and_disable_daif, flags
 	mrs	\flags, daif
 	msr	daifset, #0xf
@@ -127,15 +137,27 @@
 	.endm
 
 /*
- * Emit an entry into the exception table
+ * Create an exception table entry for `insn`, which will branch to `fixup`
+ * when an unhandled fault is taken.
  */
-	.macro		_asm_extable, from, to
+	.macro		_asm_extable, insn, fixup
 	.pushsection	__ex_table, "a"
 	.align		3
-	.long		(\from - .), (\to - .)
+	.long		(\insn - .), (\fixup - .)
 	.popsection
 	.endm
 
+/*
+ * Create an exception table entry for `insn` if `fixup` is provided. Otherwise
+ * do nothing.
+ */
+	.macro		_cond_extable, insn, fixup
+	.ifnc		\fixup,
+	_asm_extable	\insn, \fixup
+	.endif
+	.endm
+
+
 #define USER(l, x...)				\
 9999:	x;					\
 	_asm_extable	9999b, l
@@ -277,12 +299,24 @@
  * provide the system wide safe value from arm64_ftr_reg_ctrel0.sys_val
  */
 	.macro	read_ctr, reg
+#ifndef __KVM_NVHE_HYPERVISOR__
 alternative_if_not ARM64_MISMATCHED_CACHE_TYPE
 	mrs	\reg, ctr_el0			// read CTR
 	nop
 alternative_else
 	ldr_l	\reg, arm64_ftr_reg_ctrel0 + ARM64_FTR_SYSVAL
 alternative_endif
+#else
+alternative_if_not ARM64_KVM_PROTECTED_MODE
+	ASM_BUG()
+alternative_else_nop_endif
+alternative_cb kvm_compute_final_ctr_el0
+	movz	\reg, #0
+	movk	\reg, #0, lsl #16
+	movk	\reg, #0, lsl #32
+	movk	\reg, #0, lsl #48
+alternative_cb_end
+#endif
 	.endm
 
 
@@ -360,51 +394,53 @@
 	bfi	\tcr, \tmp0, \pos, #3
 	.endm
 
-/*
- * Macro to perform a data cache maintenance for the interval
- * [kaddr, kaddr + size)
- *
- * 	op:		operation passed to dc instruction
- * 	domain:		domain used in dsb instruciton
- * 	kaddr:		starting virtual address of the region
- * 	size:		size of the region
- * 	Corrupts:	kaddr, size, tmp1, tmp2
- */
-	.macro __dcache_op_workaround_clean_cache, op, kaddr
+	.macro __dcache_op_workaround_clean_cache, op, addr
 alternative_if_not ARM64_WORKAROUND_CLEAN_CACHE
-	dc	\op, \kaddr
+	dc	\op, \addr
 alternative_else
-	dc	civac, \kaddr
+	dc	civac, \addr
 alternative_endif
 	.endm
 
-	.macro dcache_by_line_op op, domain, kaddr, size, tmp1, tmp2
+/*
+ * Macro to perform a data cache maintenance for the interval
+ * [start, end)
+ *
+ * 	op:		operation passed to dc instruction
+ * 	domain:		domain used in dsb instruciton
+ * 	start:          starting virtual address of the region
+ * 	end:            end virtual address of the region
+ * 	fixup:		optional label to branch to on user fault
+ * 	Corrupts:       start, end, tmp1, tmp2
+ */
+	.macro dcache_by_line_op op, domain, start, end, tmp1, tmp2, fixup
 	dcache_line_size \tmp1, \tmp2
-	add	\size, \kaddr, \size
 	sub	\tmp2, \tmp1, #1
-	bic	\kaddr, \kaddr, \tmp2
-9998:
+	bic	\start, \start, \tmp2
+.Ldcache_op\@:
 	.ifc	\op, cvau
-	__dcache_op_workaround_clean_cache \op, \kaddr
+	__dcache_op_workaround_clean_cache \op, \start
 	.else
 	.ifc	\op, cvac
-	__dcache_op_workaround_clean_cache \op, \kaddr
+	__dcache_op_workaround_clean_cache \op, \start
 	.else
 	.ifc	\op, cvap
-	sys	3, c7, c12, 1, \kaddr	// dc cvap
+	sys	3, c7, c12, 1, \start	// dc cvap
 	.else
 	.ifc	\op, cvadp
-	sys	3, c7, c13, 1, \kaddr	// dc cvadp
+	sys	3, c7, c13, 1, \start	// dc cvadp
 	.else
-	dc	\op, \kaddr
+	dc	\op, \start
 	.endif
 	.endif
 	.endif
 	.endif
-	add	\kaddr, \kaddr, \tmp1
-	cmp	\kaddr, \size
-	b.lo	9998b
+	add	\start, \start, \tmp1
+	cmp	\start, \end
+	b.lo	.Ldcache_op\@
 	dsb	\domain
+
+	_cond_extable .Ldcache_op\@, \fixup
 	.endm
 
 /*
@@ -412,20 +448,22 @@
  * [start, end)
  *
  * 	start, end:	virtual addresses describing the region
- *	label:		A label to branch to on user fault.
+ *	fixup:		optional label to branch to on user fault
  * 	Corrupts:	tmp1, tmp2
  */
-	.macro invalidate_icache_by_line start, end, tmp1, tmp2, label
+	.macro invalidate_icache_by_line start, end, tmp1, tmp2, fixup
 	icache_line_size \tmp1, \tmp2
 	sub	\tmp2, \tmp1, #1
 	bic	\tmp2, \start, \tmp2
-9997:
-USER(\label, ic	ivau, \tmp2)			// invalidate I line PoU
+.Licache_op\@:
+	ic	ivau, \tmp2			// invalidate I line PoU
 	add	\tmp2, \tmp2, \tmp1
 	cmp	\tmp2, \end
-	b.lo	9997b
+	b.lo	.Licache_op\@
 	dsb	ish
 	isb
+
+	_cond_extable .Licache_op\@, \fixup
 	.endm
 
 /*
@@ -480,7 +518,7 @@
 #define NOKPROBE(x)
 #endif
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 #define EXPORT_SYMBOL_NOKASAN(name)
 #else
 #define EXPORT_SYMBOL_NOKASAN(name)	EXPORT_SYMBOL(name)
@@ -683,73 +721,57 @@
 	.endm
 
 /*
- * Check whether to yield to another runnable task from kernel mode NEON code
- * (which runs with preemption disabled).
- *
- * if_will_cond_yield_neon
- *        // pre-yield patchup code
- * do_cond_yield_neon
- *        // post-yield patchup code
- * endif_yield_neon    <label>
- *
- * where <label> is optional, and marks the point where execution will resume
- * after a yield has been performed. If omitted, execution resumes right after
- * the endif_yield_neon invocation. Note that the entire sequence, including
- * the provided patchup code, will be omitted from the image if
- * CONFIG_PREEMPTION is not defined.
- *
- * As a convenience, in the case where no patchup code is required, the above
- * sequence may be abbreviated to
- *
- * cond_yield_neon <label>
- *
- * Note that the patchup code does not support assembler directives that change
- * the output section, any use of such directives is undefined.
- *
- * The yield itself consists of the following:
- * - Check whether the preempt count is exactly 1 and a reschedule is also
- *   needed. If so, calling of preempt_enable() in kernel_neon_end() will
- *   trigger a reschedule. If it is not the case, yielding is pointless.
- * - Disable and re-enable kernel mode NEON, and branch to the yield fixup
- *   code.
- *
- * This macro sequence may clobber all CPU state that is not guaranteed by the
- * AAPCS to be preserved across an ordinary function call.
+ * Set SCTLR_ELx to the @reg value, and invalidate the local icache
+ * in the process. This is called when setting the MMU on.
  */
+.macro set_sctlr, sreg, reg
+	msr	\sreg, \reg
+	isb
+	/*
+	 * Invalidate the local I-cache so that any instructions fetched
+	 * speculatively from the PoC are discarded, since they may have
+	 * been dynamically patched at the PoU.
+	 */
+	ic	iallu
+	dsb	nsh
+	isb
+.endm
 
-	.macro		cond_yield_neon, lbl
-	if_will_cond_yield_neon
-	do_cond_yield_neon
-	endif_yield_neon	\lbl
-	.endm
+.macro set_sctlr_el1, reg
+	set_sctlr sctlr_el1, \reg
+.endm
 
-	.macro		if_will_cond_yield_neon
+.macro set_sctlr_el2, reg
+	set_sctlr sctlr_el2, \reg
+.endm
+
+	/*
+	 * Check whether preempt/bh-disabled asm code should yield as soon as
+	 * it is able. This is the case if we are currently running in task
+	 * context, and either a softirq is pending, or the TIF_NEED_RESCHED
+	 * flag is set and re-enabling preemption a single time would result in
+	 * a preempt count of zero. (Note that the TIF_NEED_RESCHED flag is
+	 * stored negated in the top word of the thread_info::preempt_count
+	 * field)
+	 */
+	.macro		cond_yield, lbl:req, tmp:req, tmp2:req
+	get_current_task \tmp
+	ldr		\tmp, [\tmp, #TSK_TI_PREEMPT]
+	/*
+	 * If we are serving a softirq, there is no point in yielding: the
+	 * softirq will not be preempted no matter what we do, so we should
+	 * run to completion as quickly as we can.
+	 */
+	tbnz		\tmp, #SOFTIRQ_SHIFT, .Lnoyield_\@
 #ifdef CONFIG_PREEMPTION
-	get_current_task	x0
-	ldr		x0, [x0, #TSK_TI_PREEMPT]
-	sub		x0, x0, #PREEMPT_DISABLE_OFFSET
-	cbz		x0, .Lyield_\@
-	/* fall through to endif_yield_neon */
-	.subsection	1
-.Lyield_\@ :
-#else
-	.section	".discard.cond_yield_neon", "ax"
+	sub		\tmp, \tmp, #PREEMPT_DISABLE_OFFSET
+	cbz		\tmp, \lbl
 #endif
-	.endm
-
-	.macro		do_cond_yield_neon
-	bl		kernel_neon_end
-	bl		kernel_neon_begin
-	.endm
-
-	.macro		endif_yield_neon, lbl
-	.ifnb		\lbl
-	b		\lbl
-	.else
-	b		.Lyield_out_\@
-	.endif
-	.previous
-.Lyield_out_\@ :
+	adr_l		\tmp, irq_stat + IRQ_CPUSTAT_SOFTIRQ_PENDING
+	this_cpu_offset	\tmp2
+	ldr		w\tmp, [\tmp, \tmp2]
+	cbnz		w\tmp, \lbl	// yield on pending softirq in task context
+.Lnoyield_\@:
 	.endm
 
 /*
@@ -815,6 +837,16 @@
 #endif /* CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY */
 	.endm
 
+	.macro mitigate_spectre_bhb_loop	tmp
+#ifdef CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY
+alternative_cb	spectre_bhb_patch_loop_mitigation_enable
+	b	.L_spectre_bhb_loop_done\@	// Patched to NOP
+alternative_cb_end
+	__mitigate_spectre_bhb_loop	\tmp
+.L_spectre_bhb_loop_done\@:
+#endif /* CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY */
+	.endm
+
 	/* Save/restores x0-x3 to the stack */
 	.macro __mitigate_spectre_bhb_fw
 #ifdef CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY
@@ -828,4 +860,14 @@
 	ldp	x0, x1, [sp], #16
 #endif /* CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY */
 	.endm
+
+	.macro mitigate_spectre_bhb_clear_insn
+#ifdef CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY
+alternative_cb	spectre_bhb_patch_clearbhb
+	/* Patched to NOP when not supported */
+	clearbhb
+	isb
+alternative_cb_end
+#endif /* CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY */
+	.endm
 #endif	/* __ASM_ASSEMBLER_H */
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 37d891a..e9eeeb1 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -23,6 +23,7 @@
 #define dsb(opt)	asm volatile("dsb " #opt : : : "memory")
 
 #define psb_csync()	asm volatile("hint #17" : : : "memory")
+#define __tsb_csync()	asm volatile("hint #18" : : : "memory")
 #define csdb()		asm volatile("hint #20" : : : "memory")
 
 #define spec_bar()	asm volatile(ALTERNATIVE("dsb nsh\nisb\n",		\
@@ -49,6 +50,20 @@
 #define dma_rmb()	dmb(oshld)
 #define dma_wmb()	dmb(oshst)
 
+
+#define tsb_csync()								\
+	do {									\
+		/*								\
+		 * CPUs affected by Arm Erratum 2054223 or 2067961 needs	\
+		 * another TSB to ensure the trace is flushed. The barriers	\
+		 * don't have to be strictly back to back, as long as the	\
+		 * CPU is in trace prohibited state.				\
+		 */								\
+		if (cpus_have_final_cap(ARM64_WORKAROUND_TSB_FLUSH_FAILURE))	\
+			__tsb_csync();						\
+		__tsb_csync();							\
+	} while (0)
+
 /*
  * Generate a mask for array_index__nospec() that is ~0UL when 0 <= idx < sz
  * and 0 otherwise.
diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h
index 63d43b5..a074459 100644
--- a/arch/arm64/include/asm/cache.h
+++ b/arch/arm64/include/asm/cache.h
@@ -51,6 +51,8 @@
 
 #ifdef CONFIG_KASAN_SW_TAGS
 #define ARCH_SLAB_MINALIGN	(1ULL << KASAN_SHADOW_SCALE_SHIFT)
+#elif defined(CONFIG_KASAN_HW_TAGS)
+#define ARCH_SLAB_MINALIGN	MTE_GRANULE_SIZE
 #endif
 
 #ifndef __ASSEMBLY__
diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h
index 9384fd8..c9a478f 100644
--- a/arch/arm64/include/asm/cacheflush.h
+++ b/arch/arm64/include/asm/cacheflush.h
@@ -30,50 +30,58 @@
  *	the implementation assumes non-aliasing VIPT D-cache and (aliasing)
  *	VIPT I-cache.
  *
- *	flush_cache_mm(mm)
+ *	All functions below apply to the interval [start, end)
+ *		- start  - virtual start address (inclusive)
+ *		- end    - virtual end address (exclusive)
  *
- *		Clean and invalidate all user space cache entries
- *		before a change of page tables.
+ *	caches_clean_inval_pou(start, end)
  *
- *	flush_icache_range(start, end)
+ *		Ensure coherency between the I-cache and the D-cache region to
+ *		the Point of Unification.
  *
- *		Ensure coherency between the I-cache and the D-cache in the
- *		region described by start, end.
- *		- start  - virtual start address
- *		- end    - virtual end address
+ *	caches_clean_inval_user_pou(start, end)
  *
- *	invalidate_icache_range(start, end)
+ *		Ensure coherency between the I-cache and the D-cache region to
+ *		the Point of Unification.
+ *		Use only if the region might access user memory.
  *
- *		Invalidate the I-cache in the region described by start, end.
- *		- start  - virtual start address
- *		- end    - virtual end address
+ *	icache_inval_pou(start, end)
  *
- *	__flush_cache_user_range(start, end)
+ *		Invalidate I-cache region to the Point of Unification.
  *
- *		Ensure coherency between the I-cache and the D-cache in the
- *		region described by start, end.
- *		- start  - virtual start address
- *		- end    - virtual end address
+ *	dcache_clean_inval_poc(start, end)
  *
- *	__flush_dcache_area(kaddr, size)
+ *		Clean and invalidate D-cache region to the Point of Coherency.
  *
- *		Ensure that the data held in page is written back.
- *		- kaddr  - page address
- *		- size   - region size
+ *	dcache_inval_poc(start, end)
+ *
+ *		Invalidate D-cache region to the Point of Coherency.
+ *
+ *	dcache_clean_poc(start, end)
+ *
+ *		Clean D-cache region to the Point of Coherency.
+ *
+ *	dcache_clean_pop(start, end)
+ *
+ *		Clean D-cache region to the Point of Persistence.
+ *
+ *	dcache_clean_pou(start, end)
+ *
+ *		Clean D-cache region to the Point of Unification.
  */
-extern void __flush_icache_range(unsigned long start, unsigned long end);
-extern int  invalidate_icache_range(unsigned long start, unsigned long end);
-extern void __flush_dcache_area(void *addr, size_t len);
-extern void __inval_dcache_area(void *addr, size_t len);
-extern void __clean_dcache_area_poc(void *addr, size_t len);
-extern void __clean_dcache_area_pop(void *addr, size_t len);
-extern void __clean_dcache_area_pou(void *addr, size_t len);
-extern long __flush_cache_user_range(unsigned long start, unsigned long end);
-extern void sync_icache_aliases(void *kaddr, unsigned long len);
+extern void caches_clean_inval_pou(unsigned long start, unsigned long end);
+extern void icache_inval_pou(unsigned long start, unsigned long end);
+extern void dcache_clean_inval_poc(unsigned long start, unsigned long end);
+extern void dcache_inval_poc(unsigned long start, unsigned long end);
+extern void dcache_clean_poc(unsigned long start, unsigned long end);
+extern void dcache_clean_pop(unsigned long start, unsigned long end);
+extern void dcache_clean_pou(unsigned long start, unsigned long end);
+extern long caches_clean_inval_user_pou(unsigned long start, unsigned long end);
+extern void sync_icache_aliases(unsigned long start, unsigned long end);
 
 static inline void flush_icache_range(unsigned long start, unsigned long end)
 {
-	__flush_icache_range(start, end);
+	caches_clean_inval_pou(start, end);
 
 	/*
 	 * IPI all online CPUs so that they undergo a context synchronization
@@ -127,7 +135,7 @@
 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
 extern void flush_dcache_page(struct page *);
 
-static __always_inline void __flush_icache_all(void)
+static __always_inline void icache_inval_all_pou(void)
 {
 	if (cpus_have_const_cap(ARM64_HAS_CACHE_DIC))
 		return;
diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h
index 24ed664..70dd1d6 100644
--- a/arch/arm64/include/asm/cpu.h
+++ b/arch/arm64/include/asm/cpu.h
@@ -12,27 +12,7 @@
 /*
  * Records attributes of an individual CPU.
  */
-struct cpuinfo_arm64 {
-	struct cpu	cpu;
-	struct kobject	kobj;
-	u32		reg_ctr;
-	u32		reg_cntfrq;
-	u32		reg_dczid;
-	u32		reg_midr;
-	u32		reg_revidr;
-
-	u64		reg_id_aa64dfr0;
-	u64		reg_id_aa64dfr1;
-	u64		reg_id_aa64isar0;
-	u64		reg_id_aa64isar1;
-	u64		reg_id_aa64isar2;
-	u64		reg_id_aa64mmfr0;
-	u64		reg_id_aa64mmfr1;
-	u64		reg_id_aa64mmfr2;
-	u64		reg_id_aa64pfr0;
-	u64		reg_id_aa64pfr1;
-	u64		reg_id_aa64zfr0;
-
+struct cpuinfo_32bit {
 	u32		reg_id_dfr0;
 	u32		reg_id_dfr1;
 	u32		reg_id_isar0;
@@ -55,6 +35,30 @@
 	u32		reg_mvfr0;
 	u32		reg_mvfr1;
 	u32		reg_mvfr2;
+};
+
+struct cpuinfo_arm64 {
+	struct cpu	cpu;
+	struct kobject	kobj;
+	u32		reg_ctr;
+	u32		reg_cntfrq;
+	u32		reg_dczid;
+	u32		reg_midr;
+	u32		reg_revidr;
+
+	u64		reg_id_aa64dfr0;
+	u64		reg_id_aa64dfr1;
+	u64		reg_id_aa64isar0;
+	u64		reg_id_aa64isar1;
+	u64		reg_id_aa64isar2;
+	u64		reg_id_aa64mmfr0;
+	u64		reg_id_aa64mmfr1;
+	u64		reg_id_aa64mmfr2;
+	u64		reg_id_aa64pfr0;
+	u64		reg_id_aa64pfr1;
+	u64		reg_id_aa64zfr0;
+
+	struct cpuinfo_32bit	aarch32;
 
 	/* pseudo-ZCR for recording maximum ZCR_EL1 LEN value: */
 	u64		reg_zcr;
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
index d2080a4..b481c97 100644
--- a/arch/arm64/include/asm/cpucaps.h
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -20,8 +20,9 @@
 #define ARM64_ALT_PAN_NOT_UAO			10
 #define ARM64_HAS_VIRT_HOST_EXTN		11
 #define ARM64_WORKAROUND_CAVIUM_27456		12
-#define ARM64_HAS_32BIT_EL0			13
-#define ARM64_HARDEN_EL2_VECTORS		14
+/* Unreliable: use system_supports_32bit_el0() instead. */
+#define ARM64_HAS_32BIT_EL0_DO_NOT_USE		13
+#define ARM64_SPECTRE_V3A			14
 #define ARM64_HAS_CNP				15
 #define ARM64_HAS_NO_FPSIMD			16
 #define ARM64_WORKAROUND_REPEAT_TLBI		17
@@ -66,10 +67,15 @@
 #define ARM64_HAS_TLB_RANGE			56
 #define ARM64_MTE				57
 #define ARM64_WORKAROUND_1508412		58
-#define ARM64_SPECTRE_BHB			59
-#define ARM64_WORKAROUND_2457168		60
-#define ARM64_WORKAROUND_1742098		61
+#define ARM64_HAS_LDAPR				59
+#define ARM64_KVM_PROTECTED_MODE		60
+#define ARM64_WORKAROUND_TSB_FLUSH_FAILURE	61
+#define ARM64_MTE_ASYMM				62
+#define ARM64_SPECTRE_BHB			63
+#define ARM64_WORKAROUND_2457168		64
+#define ARM64_WORKAROUND_1742098		65
 
-#define ARM64_NCAPS				62
+/* kabi: reserve 66 - 76 for future cpu capabilities */
+#define ARM64_NCAPS				76
 
 #endif /* __ASM_CPUCAPS_H */
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 7a2007c..a361740 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -64,6 +64,28 @@
 };
 
 /*
+ * Describe the early feature override to the core override code:
+ *
+ * @val			Values that are to be merged into the final
+ *			sanitised value of the register. Only the bitfields
+ *			set to 1 in @mask are valid
+ * @mask		Mask of the features that are overridden by @val
+ *
+ * A @mask field set to full-1 indicates that the corresponding field
+ * in @val is a valid override.
+ *
+ * A @mask field set to full-0 with the corresponding @val field set
+ * to full-0 denotes that this field has no override
+ *
+ * A @mask field set to full-0 with the corresponding @val field set
+ * to full-1 denotes thath this field has an invalid override.
+ */
+struct arm64_ftr_override {
+	u64		val;
+	u64		mask;
+};
+
+/*
  * @arm64_ftr_reg - Feature register
  * @strict_mask		Bits which should match across all CPUs for sanity.
  * @sys_val		Safe value across the CPUs (system view)
@@ -74,6 +96,7 @@
 	u64				user_mask;
 	u64				sys_val;
 	u64				user_val;
+	struct arm64_ftr_override	*override;
 	const struct arm64_ftr_bits	*ftr_bits;
 };
 
@@ -579,14 +602,14 @@
 {
 	u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_SHIFT);
 
-	return val == ID_AA64PFR0_EL1_32BIT_64BIT;
+	return val == ID_AA64PFR0_ELx_32BIT_64BIT;
 }
 
 static inline bool id_aa64pfr0_32bit_el0(u64 pfr0)
 {
 	u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL0_SHIFT);
 
-	return val == ID_AA64PFR0_EL0_32BIT_64BIT;
+	return val == ID_AA64PFR0_ELx_32BIT_64BIT;
 }
 
 static inline bool id_aa64pfr0_sve(u64 pfr0)
@@ -600,12 +623,14 @@
 void check_local_cpu_capabilities(void);
 
 u64 read_sanitised_ftr_reg(u32 id);
+u64 __read_sysreg_by_encoding(u32 sys_id);
 
 static inline bool cpu_supports_mixed_endian_el0(void)
 {
 	return id_aa64mmfr0_mixed_endian_el0(read_cpuid(ID_AA64MMFR0_EL1));
 }
 
+
 static inline bool supports_csv2p3(int scope)
 {
 	u64 pfr0;
@@ -634,9 +659,15 @@
 						    ID_AA64ISAR2_CLEARBHB_SHIFT);
 }
 
+const struct cpumask *system_32bit_el0_cpumask(void);
+DECLARE_STATIC_KEY_FALSE(arm64_mismatched_32bit_el0);
+
 static inline bool system_supports_32bit_el0(void)
 {
-	return cpus_have_const_cap(ARM64_HAS_32BIT_EL0);
+	u64 pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
+
+	return static_branch_unlikely(&arm64_mismatched_32bit_el0) ||
+	       id_aa64pfr0_32bit_el0(pfr0);
 }
 
 static inline bool system_supports_4kb_granule(void)
@@ -730,6 +761,11 @@
 		cpus_have_const_cap(ARM64_HAS_GENERIC_AUTH);
 }
 
+static inline bool system_has_full_ptr_auth(void)
+{
+	return system_supports_address_auth() && system_supports_generic_auth();
+}
+
 static __always_inline bool system_uses_irq_prio_masking(void)
 {
 	return IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) &&
@@ -759,19 +795,18 @@
 		cpus_have_const_cap(ARM64_HAS_TLB_RANGE);
 }
 
-int do_emulate_mrs(struct pt_regs *regs, u32 sys_reg, u32 rt);
-bool try_emulate_mrs(struct pt_regs *regs, u32 isn);
+extern int do_emulate_mrs(struct pt_regs *regs, u32 sys_reg, u32 rt);
 
 static inline u32 id_aa64mmfr0_parange_to_phys_shift(int parange)
 {
 	switch (parange) {
-	case 0: return 32;
-	case 1: return 36;
-	case 2: return 40;
-	case 3: return 42;
-	case 4: return 44;
-	case 5: return 48;
-	case 6: return 52;
+	case ID_AA64MMFR0_PARANGE_32: return 32;
+	case ID_AA64MMFR0_PARANGE_36: return 36;
+	case ID_AA64MMFR0_PARANGE_40: return 40;
+	case ID_AA64MMFR0_PARANGE_42: return 42;
+	case ID_AA64MMFR0_PARANGE_44: return 44;
+	case ID_AA64MMFR0_PARANGE_48: return 48;
+	case ID_AA64MMFR0_PARANGE_52: return 52;
 	/*
 	 * A future PE could use a value unknown to the kernel.
 	 * However, by the "D10.1.4 Principles of the ID scheme
@@ -817,6 +852,10 @@
 	return 8;
 }
 
+extern struct arm64_ftr_override id_aa64mmfr1_override;
+extern struct arm64_ftr_override id_aa64pfr1_override;
+extern struct arm64_ftr_override id_aa64isar1_override;
+
 u32 get_kvm_ipa_limit(void);
 void dump_cpu_features(void);
 
diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h
new file mode 100644
index 0000000..2c91607
--- /dev/null
+++ b/arch/arm64/include/asm/el2_setup.h
@@ -0,0 +1,189 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012,2013 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ */
+
+#ifndef __ARM_KVM_INIT_H__
+#define __ARM_KVM_INIT_H__
+
+#ifndef __ASSEMBLY__
+#error Assembly-only header
+#endif
+
+#include <asm/kvm_arm.h>
+#include <asm/ptrace.h>
+#include <asm/sysreg.h>
+#include <linux/irqchip/arm-gic-v3.h>
+
+.macro __init_el2_sctlr
+	mov_q	x0, INIT_SCTLR_EL2_MMU_OFF
+	msr	sctlr_el2, x0
+	isb
+.endm
+
+/*
+ * Allow Non-secure EL1 and EL0 to access physical timer and counter.
+ * This is not necessary for VHE, since the host kernel runs in EL2,
+ * and EL0 accesses are configured in the later stage of boot process.
+ * Note that when HCR_EL2.E2H == 1, CNTHCTL_EL2 has the same bit layout
+ * as CNTKCTL_EL1, and CNTKCTL_EL1 accessing instructions are redefined
+ * to access CNTHCTL_EL2. This allows the kernel designed to run at EL1
+ * to transparently mess with the EL0 bits via CNTKCTL_EL1 access in
+ * EL2.
+ */
+.macro __init_el2_timers
+	mrs	x0, cnthctl_el2
+	orr	x0, x0, #3			// Enable EL1 physical timers
+	msr	cnthctl_el2, x0
+	msr	cntvoff_el2, xzr		// Clear virtual offset
+.endm
+
+.macro __init_el2_debug
+	mrs	x1, id_aa64dfr0_el1
+	sbfx	x0, x1, #ID_AA64DFR0_PMUVER_SHIFT, #4
+	cmp	x0, #1
+	b.lt	.Lskip_pmu_\@			// Skip if no PMU present
+	mrs	x0, pmcr_el0			// Disable debug access traps
+	ubfx	x0, x0, #11, #5			// to EL2 and allow access to
+.Lskip_pmu_\@:
+	csel	x2, xzr, x0, lt			// all PMU counters from EL1
+
+	/* Statistical profiling */
+	ubfx	x0, x1, #ID_AA64DFR0_PMSVER_SHIFT, #4
+	cbz	x0, .Lskip_spe_\@		// Skip if SPE not present
+
+	mrs_s	x0, SYS_PMBIDR_EL1              // If SPE available at EL2,
+	and	x0, x0, #(1 << SYS_PMBIDR_EL1_P_SHIFT)
+	cbnz	x0, .Lskip_spe_el2_\@		// then permit sampling of physical
+	mov	x0, #(1 << SYS_PMSCR_EL2_PCT_SHIFT | \
+		      1 << SYS_PMSCR_EL2_PA_SHIFT)
+	msr_s	SYS_PMSCR_EL2, x0		// addresses and physical counter
+.Lskip_spe_el2_\@:
+	mov	x0, #(MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT)
+	orr	x2, x2, x0			// If we don't have VHE, then
+						// use EL1&0 translation.
+
+.Lskip_spe_\@:
+	/* Trace buffer */
+	ubfx	x0, x1, #ID_AA64DFR0_TRBE_SHIFT, #4
+	cbz	x0, .Lskip_trace_\@		// Skip if TraceBuffer is not present
+
+	mrs_s	x0, SYS_TRBIDR_EL1
+	and	x0, x0, TRBIDR_PROG
+	cbnz	x0, .Lskip_trace_\@		// If TRBE is available at EL2
+
+	mov	x0, #(MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT)
+	orr	x2, x2, x0			// allow the EL1&0 translation
+						// to own it.
+
+.Lskip_trace_\@:
+	msr	mdcr_el2, x2			// Configure debug traps
+.endm
+
+/* LORegions */
+.macro __init_el2_lor
+	mrs	x1, id_aa64mmfr1_el1
+	ubfx	x0, x1, #ID_AA64MMFR1_LOR_SHIFT, 4
+	cbz	x0, .Lskip_lor_\@
+	msr_s	SYS_LORC_EL1, xzr
+.Lskip_lor_\@:
+.endm
+
+/* Stage-2 translation */
+.macro __init_el2_stage2
+	msr	vttbr_el2, xzr
+.endm
+
+/* GICv3 system register access */
+.macro __init_el2_gicv3
+	mrs	x0, id_aa64pfr0_el1
+	ubfx	x0, x0, #ID_AA64PFR0_GIC_SHIFT, #4
+	cbz	x0, .Lskip_gicv3_\@
+
+	mrs_s	x0, SYS_ICC_SRE_EL2
+	orr	x0, x0, #ICC_SRE_EL2_SRE	// Set ICC_SRE_EL2.SRE==1
+	orr	x0, x0, #ICC_SRE_EL2_ENABLE	// Set ICC_SRE_EL2.Enable==1
+	msr_s	SYS_ICC_SRE_EL2, x0
+	isb					// Make sure SRE is now set
+	mrs_s	x0, SYS_ICC_SRE_EL2		// Read SRE back,
+	tbz	x0, #0, .Lskip_gicv3_\@		// and check that it sticks
+	msr_s	SYS_ICH_HCR_EL2, xzr		// Reset ICC_HCR_EL2 to defaults
+.Lskip_gicv3_\@:
+.endm
+
+.macro __init_el2_hstr
+	msr	hstr_el2, xzr			// Disable CP15 traps to EL2
+.endm
+
+/* Virtual CPU ID registers */
+.macro __init_el2_nvhe_idregs
+	mrs	x0, midr_el1
+	mrs	x1, mpidr_el1
+	msr	vpidr_el2, x0
+	msr	vmpidr_el2, x1
+.endm
+
+/* Coprocessor traps */
+.macro __init_el2_nvhe_cptr
+	mov	x0, #0x33ff
+	msr	cptr_el2, x0			// Disable copro. traps to EL2
+.endm
+
+/* SVE register access */
+.macro __init_el2_nvhe_sve
+	mrs	x1, id_aa64pfr0_el1
+	ubfx	x1, x1, #ID_AA64PFR0_SVE_SHIFT, #4
+	cbz	x1, .Lskip_sve_\@
+
+	bic	x0, x0, #CPTR_EL2_TZ		// Also disable SVE traps
+	msr	cptr_el2, x0			// Disable copro. traps to EL2
+	isb
+	mov	x1, #ZCR_ELx_LEN_MASK		// SVE: Enable full vector
+	msr_s	SYS_ZCR_EL2, x1			// length for EL1.
+.Lskip_sve_\@:
+.endm
+
+.macro __init_el2_nvhe_prepare_eret
+	mov	x0, #INIT_PSTATE_EL1
+	msr	spsr_el2, x0
+.endm
+
+.macro __init_el2_mpam
+	/* Memory Partioning And Monitoring: disable EL2 traps */
+	mrs	x1, id_aa64pfr0_el1
+	ubfx	x0, x1, #ID_AA64PFR0_MPAM_SHIFT, #4
+	cbz	x0, .Lskip_mpam_\@		// skip if no MPAM
+	msr_s	SYS_MPAM0_EL1, xzr		// use the default partition..
+	msr_s	SYS_MPAM2_EL2, xzr		// ..and disable lower traps
+	msr_s	SYS_MPAM1_EL1, xzr
+	mrs_s	x0, SYS_MPAMIDR_EL1
+	tbz	x0, #17, .Lskip_mpam_\@		// skip if no MPAMHCR reg
+	msr_s	SYS_MPAMHCR_EL2, xzr		// clear TRAP_MPAMIDR_EL1 -> EL2
+.Lskip_mpam_\@:
+.endm
+
+/**
+ * Initialize EL2 registers to sane values. This should be called early on all
+ * cores that were booted in EL2. Note that everything gets initialised as
+ * if VHE was not evailable. The kernel context will be upgraded to VHE
+ * if possible later on in the boot process
+ *
+ * Regs: x0, x1 and x2 are clobbered.
+ */
+.macro init_el2_state
+	__init_el2_sctlr
+	__init_el2_timers
+	__init_el2_debug
+	__init_el2_lor
+	__init_el2_stage2
+	__init_el2_gicv3
+	__init_el2_hstr
+	__init_el2_mpam
+	__init_el2_nvhe_idregs
+	__init_el2_nvhe_cptr
+	__init_el2_nvhe_sve
+	__init_el2_nvhe_prepare_eret
+.endm
+
+#endif /* __ARM_KVM_INIT_H__ */
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 4a76f56..8f59bbe 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -107,6 +107,7 @@
 #define ESR_ELx_FSC_TYPE	(0x3C)
 #define ESR_ELx_FSC_LEVEL	(0x03)
 #define ESR_ELx_FSC_EXTABT	(0x10)
+#define ESR_ELx_FSC_MTE		(0x11)
 #define ESR_ELx_FSC_SERROR	(0x11)
 #define ESR_ELx_FSC_ACCESS	(0x08)
 #define ESR_ELx_FSC_FAULT	(0x04)
diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h
index cc5b220..ad45911 100644
--- a/arch/arm64/include/asm/exception.h
+++ b/arch/arm64/include/asm/exception.h
@@ -32,23 +32,20 @@
 asmlinkage void exit_to_user_mode(void);
 void arm64_enter_nmi(struct pt_regs *regs);
 void arm64_exit_nmi(struct pt_regs *regs);
-void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
-void do_el0_undef(struct pt_regs *regs, unsigned long esr);
-void do_el1_undef(struct pt_regs *regs, unsigned long esr);
-void do_el0_bti(struct pt_regs *regs);
-void do_el1_bti(struct pt_regs *regs, unsigned long esr);
+void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs);
+void do_undefinstr(struct pt_regs *regs);
+void do_bti(struct pt_regs *regs);
 asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
 void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
 			struct pt_regs *regs);
 void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
 void do_sve_acc(unsigned int esr, struct pt_regs *regs);
 void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
-void do_el0_sys(unsigned long esr, struct pt_regs *regs);
+void do_sysinstr(unsigned int esr, struct pt_regs *regs);
 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
-void do_el0_cp15(unsigned long esr, struct pt_regs *regs);
+void do_cp15instr(unsigned int esr, struct pt_regs *regs);
 void do_el0_svc(struct pt_regs *regs);
 void do_el0_svc_compat(struct pt_regs *regs);
-void do_el0_fpac(struct pt_regs *regs, unsigned long esr);
-void do_el1_fpac(struct pt_regs *regs, unsigned long esr);
+void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr);
 #endif	/* __ASM_EXCEPTION_H */
diff --git a/arch/arm64/include/asm/extable.h b/arch/arm64/include/asm/extable.h
index b15eb4a..840a35e 100644
--- a/arch/arm64/include/asm/extable.h
+++ b/arch/arm64/include/asm/extable.h
@@ -22,15 +22,6 @@
 
 #define ARCH_HAS_RELATIVE_EXTABLE
 
-static inline bool in_bpf_jit(struct pt_regs *regs)
-{
-	if (!IS_ENABLED(CONFIG_BPF_JIT))
-		return false;
-
-	return regs->pc >= BPF_JIT_REGION_START &&
-	       regs->pc < BPF_JIT_REGION_END;
-}
-
 #ifdef CONFIG_BPF_JIT
 int arm64_bpf_fixup_exception(const struct exception_table_entry *ex,
 			      struct pt_regs *regs);
diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h
index daff882..f4b7a1c 100644
--- a/arch/arm64/include/asm/fixmap.h
+++ b/arch/arm64/include/asm/fixmap.h
@@ -107,6 +107,8 @@
 
 extern void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot);
 
+extern pte_t *__get_fixmap_pte(enum fixed_addresses idx);
+
 #include <asm-generic/fixmap.h>
 
 #endif /* !__ASSEMBLY__ */
diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
index bec5f14..ff3879a 100644
--- a/arch/arm64/include/asm/fpsimd.h
+++ b/arch/arm64/include/asm/fpsimd.h
@@ -130,6 +130,15 @@
 	sysreg_clear_set(cpacr_el1, 0, CPACR_EL1_ZEN_EL0EN);
 }
 
+#define sve_cond_update_zcr_vq(val, reg)		\
+	do {						\
+		u64 __zcr = read_sysreg_s((reg));	\
+		u64 __new = __zcr & ~ZCR_ELx_LEN_MASK;	\
+		__new |= (val) & ZCR_ELx_LEN_MASK;	\
+		if (__zcr != __new)			\
+			write_sysreg_s(__new, (reg));	\
+	} while (0)
+
 /*
  * Probing and setup functions.
  * Calls to these functions must be serialised with one another.
@@ -159,6 +168,8 @@
 static inline void sve_user_disable(void) { BUILD_BUG(); }
 static inline void sve_user_enable(void) { BUILD_BUG(); }
 
+#define sve_cond_update_zcr_vq(val, reg) do { } while (0)
+
 static inline void sve_init_vq_map(void) { }
 static inline void sve_update_vq_map(void) { }
 static inline int sve_verify_vq_map(void) { return 0; }
diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h
index af43367..a256399 100644
--- a/arch/arm64/include/asm/fpsimdmacros.h
+++ b/arch/arm64/include/asm/fpsimdmacros.h
@@ -6,6 +6,8 @@
  * Author: Catalin Marinas <catalin.marinas@arm.com>
  */
 
+#include <asm/assembler.h>
+
 .macro fpsimd_save state, tmpnr
 	stp	q0, q1, [\state, #16 * 0]
 	stp	q2, q3, [\state, #16 * 2]
@@ -230,8 +232,7 @@
 		str		w\nxtmp, [\xpfpsr, #4]
 .endm
 
-.macro sve_load nxbase, xpfpsr, xvqminus1, nxtmp, xtmp2
-		sve_load_vq	\xvqminus1, x\nxtmp, \xtmp2
+.macro __sve_load nxbase, xpfpsr, nxtmp
  _for n, 0, 31,	_sve_ldr_v	\n, \nxbase, \n - 34
 		_sve_ldr_p	0, \nxbase
 		_sve_wrffr	0
@@ -242,3 +243,8 @@
 		ldr		w\nxtmp, [\xpfpsr, #4]
 		msr		fpcr, x\nxtmp
 .endm
+
+.macro sve_load nxbase, xpfpsr, xvqminus1, nxtmp, xtmp2
+		sve_load_vq	\xvqminus1, x\nxtmp, \xtmp2
+		__sve_load	\nxbase, \xpfpsr, \nxtmp
+.endm
diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
index 97f6a63..8e41faa3 100644
--- a/arch/arm64/include/asm/futex.h
+++ b/arch/arm64/include/asm/futex.h
@@ -16,7 +16,7 @@
 do {									\
 	unsigned int loops = FUTEX_MAX_LOOPS;				\
 									\
-	uaccess_enable();						\
+	uaccess_enable_privileged();					\
 	asm volatile(							\
 "	prfm	pstl1strm, %2\n"					\
 "1:	ldxr	%w1, %2\n"						\
@@ -39,7 +39,7 @@
 	  "+r" (loops)							\
 	: "r" (oparg), "Ir" (-EFAULT), "Ir" (-EAGAIN)			\
 	: "memory");							\
-	uaccess_disable();						\
+	uaccess_disable_privileged();					\
 } while (0)
 
 static inline int
@@ -95,7 +95,7 @@
 		return -EFAULT;
 
 	uaddr = __uaccess_mask_ptr(_uaddr);
-	uaccess_enable();
+	uaccess_enable_privileged();
 	asm volatile("// futex_atomic_cmpxchg_inatomic\n"
 "	prfm	pstl1strm, %2\n"
 "1:	ldxr	%w1, %2\n"
@@ -118,7 +118,7 @@
 	: "+r" (ret), "=&r" (val), "+Q" (*uaddr), "=&r" (tmp), "+r" (loops)
 	: "r" (oldval), "r" (newval), "Ir" (-EFAULT), "Ir" (-EAGAIN)
 	: "memory");
-	uaccess_disable();
+	uaccess_disable_privileged();
 
 	if (!ret)
 		*uval = val;
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h
index 6422147..0bd73ae 100644
--- a/arch/arm64/include/asm/hwcap.h
+++ b/arch/arm64/include/asm/hwcap.h
@@ -108,6 +108,7 @@
 #define KERNEL_HWCAP_ECV		__khwcap2_feature(ECV)
 #define KERNEL_HWCAP_AFP		__khwcap2_feature(AFP)
 #define KERNEL_HWCAP_RPRES		__khwcap2_feature(RPRES)
+#define KERNEL_HWCAP_MTE3		__khwcap2_feature(MTE3)
 
 /*
  * This yields a mask that user programs can use to figure out what
diff --git a/arch/arm64/include/asm/hyp_image.h b/arch/arm64/include/asm/hyp_image.h
index e068427..b4b3076 100644
--- a/arch/arm64/include/asm/hyp_image.h
+++ b/arch/arm64/include/asm/hyp_image.h
@@ -7,11 +7,18 @@
 #ifndef __ARM64_HYP_IMAGE_H__
 #define __ARM64_HYP_IMAGE_H__
 
+#define __HYP_CONCAT(a, b)	a ## b
+#define HYP_CONCAT(a, b)	__HYP_CONCAT(a, b)
+
+#ifndef __KVM_NVHE_HYPERVISOR__
 /*
  * KVM nVHE code has its own symbol namespace prefixed with __kvm_nvhe_,
  * to separate it from the kernel proper.
  */
 #define kvm_nvhe_sym(sym)	__kvm_nvhe_##sym
+#else
+#define kvm_nvhe_sym(sym)	sym
+#endif
 
 #ifdef LINKER_SCRIPT
 
@@ -21,9 +28,31 @@
  */
 #define HYP_SECTION_NAME(NAME)	.hyp##NAME
 
+/* Symbol defined at the beginning of each hyp section. */
+#define HYP_SECTION_SYMBOL_NAME(NAME) \
+	HYP_CONCAT(__hyp_section_, HYP_SECTION_NAME(NAME))
+
+/*
+ * Helper to generate linker script statements starting a hyp section.
+ *
+ * A symbol with a well-known name is defined at the first byte. This
+ * is used as a base for hyp relocations (see gen-hyprel.c). It must
+ * be defined inside the section so the linker of `vmlinux` cannot
+ * separate it from the section data.
+ */
+#define BEGIN_HYP_SECTION(NAME)				\
+	HYP_SECTION_NAME(NAME) : {			\
+		HYP_SECTION_SYMBOL_NAME(NAME) = .;
+
+/* Helper to generate linker script statements ending a hyp section. */
+#define END_HYP_SECTION					\
+	}
+
 /* Defines an ELF hyp section from input section @NAME and its subsections. */
-#define HYP_SECTION(NAME) \
-	HYP_SECTION_NAME(NAME) : { *(NAME NAME##.*) }
+#define HYP_SECTION(NAME)			\
+	BEGIN_HYP_SECTION(NAME)			\
+		*(NAME NAME##.*)		\
+	END_HYP_SECTION
 
 /*
  * Defines a linker script alias of a kernel-proper symbol referenced by
diff --git a/arch/arm64/include/asm/hypervisor.h b/arch/arm64/include/asm/hypervisor.h
index f9cc1d0..ee45ae1 100644
--- a/arch/arm64/include/asm/hypervisor.h
+++ b/arch/arm64/include/asm/hypervisor.h
@@ -4,4 +4,10 @@
 
 #include <asm/xen/hypervisor.h>
 
+void kvm_init_hyp_services(void);
+bool kvm_arm_hyp_service_available(u32 func_id);
+void kvm_arm_init_hyp_services(void);
+void kvm_init_memshare_services(void);
+void kvm_init_ioremap_services(void);
+
 #endif
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index d45b422..c097334 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -10,8 +10,7 @@
 #include <linux/build_bug.h>
 #include <linux/types.h>
 
-/* A64 instructions are always 32 bits. */
-#define	AARCH64_INSN_SIZE		4
+#include <asm/alternative.h>
 
 #ifndef __ASSEMBLY__
 /*
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 5d0d94a..b4d2e86 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -9,6 +9,7 @@
 #define __ASM_IO_H
 
 #include <linux/types.h>
+#include <linux/log_mmiorw.h>
 #include <linux/pgtable.h>
 
 #include <asm/byteorder.h>
@@ -24,24 +25,28 @@
 #define __raw_writeb __raw_writeb
 static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
 {
+	log_write_mmio(val, 8,  addr);
 	asm volatile("strb %w0, [%1]" : : "rZ" (val), "r" (addr));
 }
 
 #define __raw_writew __raw_writew
 static inline void __raw_writew(u16 val, volatile void __iomem *addr)
 {
+	log_write_mmio(val, 16, addr);
 	asm volatile("strh %w0, [%1]" : : "rZ" (val), "r" (addr));
 }
 
 #define __raw_writel __raw_writel
 static __always_inline void __raw_writel(u32 val, volatile void __iomem *addr)
 {
+	log_write_mmio(val, 32, addr);
 	asm volatile("str %w0, [%1]" : : "rZ" (val), "r" (addr));
 }
 
 #define __raw_writeq __raw_writeq
 static inline void __raw_writeq(u64 val, volatile void __iomem *addr)
 {
+	log_write_mmio(val, 64, addr);
 	asm volatile("str %x0, [%1]" : : "rZ" (val), "r" (addr));
 }
 
@@ -49,10 +54,13 @@
 static inline u8 __raw_readb(const volatile void __iomem *addr)
 {
 	u8 val;
+
+	log_read_mmio(8, addr);
 	asm volatile(ALTERNATIVE("ldrb %w0, [%1]",
 				 "ldarb %w0, [%1]",
 				 ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
 		     : "=r" (val) : "r" (addr));
+	log_post_read_mmio(val, 8, addr);
 	return val;
 }
 
@@ -61,10 +69,12 @@
 {
 	u16 val;
 
+	log_read_mmio(16, addr);
 	asm volatile(ALTERNATIVE("ldrh %w0, [%1]",
 				 "ldarh %w0, [%1]",
 				 ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
 		     : "=r" (val) : "r" (addr));
+	log_post_read_mmio(val, 16,  addr);
 	return val;
 }
 
@@ -72,10 +82,13 @@
 static __always_inline u32 __raw_readl(const volatile void __iomem *addr)
 {
 	u32 val;
+
+	log_read_mmio(32, addr);
 	asm volatile(ALTERNATIVE("ldr %w0, [%1]",
 				 "ldar %w0, [%1]",
 				 ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
 		     : "=r" (val) : "r" (addr));
+	log_post_read_mmio(val, 32, addr);
 	return val;
 }
 
@@ -83,10 +96,13 @@
 static inline u64 __raw_readq(const volatile void __iomem *addr)
 {
 	u64 val;
+
+	log_read_mmio(64, addr);
 	asm volatile(ALTERNATIVE("ldr %0, [%1]",
 				 "ldar %0, [%1]",
 				 ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
 		     : "=r" (val) : "r" (addr));
+	log_post_read_mmio(val, 64, addr);
 	return val;
 }
 
diff --git a/arch/arm64/include/asm/kasan.h b/arch/arm64/include/asm/kasan.h
index b0dc4ab..12d5f47 100644
--- a/arch/arm64/include/asm/kasan.h
+++ b/arch/arm64/include/asm/kasan.h
@@ -6,13 +6,16 @@
 
 #include <linux/linkage.h>
 #include <asm/memory.h>
+#include <asm/mte-kasan.h>
 #include <asm/pgtable-types.h>
 
 #define arch_kasan_set_tag(addr, tag)	__tag_set(addr, tag)
 #define arch_kasan_reset_tag(addr)	__tag_reset(addr)
 #define arch_kasan_get_tag(addr)	__tag_get(addr)
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+
+void kasan_init(void);
 
 /*
  * KASAN_SHADOW_START: beginning of the kernel virtual addresses.
@@ -33,7 +36,6 @@
 #define _KASAN_SHADOW_START(va)	(KASAN_SHADOW_END - (1UL << ((va) - KASAN_SHADOW_SCALE_SHIFT)))
 #define KASAN_SHADOW_START      _KASAN_SHADOW_START(vabits_actual)
 
-void kasan_init(void);
 void kasan_copy_shadow(pgd_t *pgdir);
 asmlinkage void kasan_early_init(void);
 
diff --git a/arch/arm64/include/asm/kexec.h b/arch/arm64/include/asm/kexec.h
index d24b527..9befcd8 100644
--- a/arch/arm64/include/asm/kexec.h
+++ b/arch/arm64/include/asm/kexec.h
@@ -90,18 +90,19 @@
 static inline void crash_post_resume(void) {}
 #endif
 
-#ifdef CONFIG_KEXEC_FILE
 #define ARCH_HAS_KIMAGE_ARCH
 
 struct kimage_arch {
 	void *dtb;
-	unsigned long dtb_mem;
+	phys_addr_t dtb_mem;
+	phys_addr_t kern_reloc;
 	/* Core ELF header buffer */
 	void *elf_headers;
 	unsigned long elf_headers_mem;
 	unsigned long elf_headers_sz;
 };
 
+#ifdef CONFIG_KEXEC_FILE
 extern const struct kexec_file_ops kexec_image_ops;
 
 struct kimage;
diff --git a/arch/arm64/include/asm/kfence.h b/arch/arm64/include/asm/kfence.h
new file mode 100644
index 0000000..d061176
--- /dev/null
+++ b/arch/arm64/include/asm/kfence.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arm64 KFENCE support.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef __ASM_KFENCE_H
+#define __ASM_KFENCE_H
+
+#include <asm/cacheflush.h>
+
+static inline bool arch_kfence_init_pool(void) { return true; }
+
+static inline bool kfence_protect_page(unsigned long addr, bool protect)
+{
+	set_memory_valid(addr, 1, !protect);
+
+	return true;
+}
+
+#endif /* __ASM_KFENCE_H */
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 7f532b2..7463d2c 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -12,7 +12,13 @@
 #include <asm/types.h>
 
 /* Hyp Configuration Register (HCR) bits */
-#define HCR_ATA		(UL(1) << 56)
+
+#define HCR_TID5	(UL(1) << 58)
+#define HCR_DCT		(UL(1) << 57)
+#define HCR_ATA_SHIFT	56
+#define HCR_ATA		(UL(1) << HCR_ATA_SHIFT)
+#define HCR_AMVOFFEN	(UL(1) << 51)
+#define HCR_FIEN	(UL(1) << 47)
 #define HCR_FWB		(UL(1) << 46)
 #define HCR_API		(UL(1) << 41)
 #define HCR_APK		(UL(1) << 40)
@@ -31,9 +37,9 @@
 #define HCR_TVM		(UL(1) << 26)
 #define HCR_TTLB	(UL(1) << 25)
 #define HCR_TPU		(UL(1) << 24)
-#define HCR_TPC		(UL(1) << 23)
+#define HCR_TPC		(UL(1) << 23) /* HCR_TPCP if FEAT_DPB */
 #define HCR_TSW		(UL(1) << 22)
-#define HCR_TAC		(UL(1) << 21)
+#define HCR_TACR	(UL(1) << 21)
 #define HCR_TIDCP	(UL(1) << 20)
 #define HCR_TSC		(UL(1) << 19)
 #define HCR_TID3	(UL(1) << 18)
@@ -55,12 +61,13 @@
 #define HCR_PTW		(UL(1) << 2)
 #define HCR_SWIO	(UL(1) << 1)
 #define HCR_VM		(UL(1) << 0)
+#define HCR_RES0	((UL(1) << 48) | (UL(1) << 39))
 
 /*
  * The bits we set in HCR:
  * TLOR:	Trap LORegion register accesses
  * RW:		64bit by default, can be overridden for 32bit VMs
- * TAC:		Trap ACTLR
+ * TACR:	Trap ACTLR
  * TSC:		Trap SMC
  * TSW:		Trap cache operations by set/way
  * TWE:		Trap WFE
@@ -75,11 +82,12 @@
  * PTW:		Take a stage2 fault if a stage1 walk steps in device memory
  */
 #define HCR_GUEST_FLAGS (HCR_TSC | HCR_TSW | HCR_TWE | HCR_TWI | HCR_VM | \
-			 HCR_BSU_IS | HCR_FB | HCR_TAC | \
+			 HCR_BSU_IS | HCR_FB | HCR_TACR | \
 			 HCR_AMO | HCR_SWIO | HCR_TIDCP | HCR_RW | HCR_TLOR | \
 			 HCR_FMO | HCR_IMO | HCR_PTW )
 #define HCR_VIRT_EXCP_MASK (HCR_VSE | HCR_VI | HCR_VF)
 #define HCR_HOST_NVHE_FLAGS (HCR_RW | HCR_API | HCR_APK | HCR_ATA)
+#define HCR_HOST_NVHE_PROTECTED_FLAGS (HCR_HOST_NVHE_FLAGS | HCR_TSC)
 #define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H)
 
 /* TCR_EL2 Registers bits */
@@ -126,7 +134,7 @@
  * 40 bits wide (T0SZ = 24).  Systems with a PARange smaller than 40 bits are
  * not known to exist and will break with this configuration.
  *
- * The VTCR_EL2 is configured per VM and is initialised in kvm_arm_setup_stage2().
+ * The VTCR_EL2 is configured per VM and is initialised in kvm_init_stage2_mmu.
  *
  * Note that when using 4K pages, we concatenate two first level page tables
  * together. With 16K pages, we concatenate 16 first level page tables.
@@ -273,22 +281,41 @@
 #define CPTR_EL2_TTA	(1 << 20)
 #define CPTR_EL2_TFP	(1 << CPTR_EL2_TFP_SHIFT)
 #define CPTR_EL2_TZ	(1 << 8)
-#define CPTR_EL2_RES1	0x000032ff /* known RES1 bits in CPTR_EL2 */
-#define CPTR_EL2_DEFAULT	CPTR_EL2_RES1
+#define CPTR_NVHE_EL2_RES1	0x000032ff /* known RES1 bits in CPTR_EL2 (nVHE) */
+#define CPTR_EL2_DEFAULT	CPTR_NVHE_EL2_RES1
+#define CPTR_NVHE_EL2_RES0	(GENMASK(63, 32) |	\
+				 GENMASK(29, 21) |	\
+				 GENMASK(19, 14) |	\
+				 BIT(11))
 
 /* Hyp Debug Configuration Register bits */
-#define MDCR_EL2_TTRF		(1 << 19)
-#define MDCR_EL2_TPMS		(1 << 14)
+#define MDCR_EL2_E2TB_MASK	(UL(0x3))
+#define MDCR_EL2_E2TB_SHIFT	(UL(24))
+#define MDCR_EL2_HPMFZS		(UL(1) << 36)
+#define MDCR_EL2_HPMFZO		(UL(1) << 29)
+#define MDCR_EL2_MTPME		(UL(1) << 28)
+#define MDCR_EL2_TDCC		(UL(1) << 27)
+#define MDCR_EL2_HLP		(UL(1) << 26)
+#define MDCR_EL2_HCCD		(UL(1) << 23)
+#define MDCR_EL2_TTRF		(UL(1) << 19)
+#define MDCR_EL2_HPMD		(UL(1) << 17)
+#define MDCR_EL2_TPMS		(UL(1) << 14)
 #define MDCR_EL2_E2PB_MASK	(UL(0x3))
 #define MDCR_EL2_E2PB_SHIFT	(UL(12))
-#define MDCR_EL2_TDRA		(1 << 11)
-#define MDCR_EL2_TDOSA		(1 << 10)
-#define MDCR_EL2_TDA		(1 << 9)
-#define MDCR_EL2_TDE		(1 << 8)
-#define MDCR_EL2_HPME		(1 << 7)
-#define MDCR_EL2_TPM		(1 << 6)
-#define MDCR_EL2_TPMCR		(1 << 5)
-#define MDCR_EL2_HPMN_MASK	(0x1F)
+#define MDCR_EL2_TDRA		(UL(1) << 11)
+#define MDCR_EL2_TDOSA		(UL(1) << 10)
+#define MDCR_EL2_TDA		(UL(1) << 9)
+#define MDCR_EL2_TDE		(UL(1) << 8)
+#define MDCR_EL2_HPME		(UL(1) << 7)
+#define MDCR_EL2_TPM		(UL(1) << 6)
+#define MDCR_EL2_TPMCR		(UL(1) << 5)
+#define MDCR_EL2_HPMN_MASK	(UL(0x1F))
+#define MDCR_EL2_RES0		(GENMASK(63, 37) |	\
+				 GENMASK(35, 30) |	\
+				 GENMASK(25, 24) |	\
+				 GENMASK(22, 20) |	\
+				 BIT(18) |		\
+				 GENMASK(16, 15))
 
 /* For compatibility with fault code shared with 32-bit */
 #define FSC_FAULT	ESR_ELx_FSC_FAULT
@@ -315,6 +342,8 @@
 #define PAR_TO_HPFAR(par)		\
 	(((par) & GENMASK_ULL(PHYS_MASK_SHIFT - 1, 12)) >> 8)
 
+#define FAR_MASK GENMASK_ULL(11, 0)
+
 #define ECN(x) { ESR_ELx_EC_##x, #x }
 
 #define kvm_arm_exception_class \
@@ -332,4 +361,13 @@
 #define CPACR_EL1_TTA		(1 << 28)
 #define CPACR_EL1_DEFAULT	(CPACR_EL1_FPEN | CPACR_EL1_ZEN_EL1EN)
 
+/*
+ * ARMv8 Reset Values
+ */
+#define VCPU_RESET_PSTATE_EL1	(PSR_MODE_EL1h | PSR_A_BIT | PSR_I_BIT | \
+				 PSR_F_BIT | PSR_D_BIT)
+
+#define VCPU_RESET_PSTATE_SVC	(PSR_AA32_MODE_SVC | PSR_AA32_A_BIT | \
+				 PSR_AA32_I_BIT | PSR_AA32_F_BIT)
+
 #endif /* __ARM64_KVM_ARM_H__ */
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index ada24a2..edca12f 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -34,11 +34,6 @@
  */
 #define KVM_VECTOR_PREAMBLE	(2 * AARCH64_INSN_SIZE)
 
-#define __SMCCC_WORKAROUND_1_SMC_SZ 36
-#define __SMCCC_WORKAROUND_3_SMC_SZ 36
-#define __SPECTRE_BHB_LOOP_SZ       44
-#define __SPECTRE_BHB_CLEARBHB_SZ   12
-
 #define KVM_HOST_SMCCC_ID(id)						\
 	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
 			   ARM_SMCCC_SMC_64,				\
@@ -48,25 +43,49 @@
 #define KVM_HOST_SMCCC_FUNC(name) KVM_HOST_SMCCC_ID(__KVM_HOST_SMCCC_FUNC_##name)
 
 #define __KVM_HOST_SMCCC_FUNC___kvm_hyp_init			0
-#define __KVM_HOST_SMCCC_FUNC___kvm_vcpu_run			1
-#define __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context		2
-#define __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa		3
-#define __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid		4
-#define __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context		5
-#define __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff		6
-#define __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs			7
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_get_ich_vtr_el2		8
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_read_vmcr		9
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_write_vmcr		10
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs		11
-#define __KVM_HOST_SMCCC_FUNC___kvm_get_mdcr_el2		12
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_save_aprs		13
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_aprs		14
 
 #ifndef __ASSEMBLY__
 
 #include <linux/mm.h>
 
+enum __kvm_host_smccc_func {
+	/* Hypercalls available only prior to pKVM finalisation */
+	/* __KVM_HOST_SMCCC_FUNC___kvm_hyp_init */
+	__KVM_HOST_SMCCC_FUNC___kvm_get_mdcr_el2 = __KVM_HOST_SMCCC_FUNC___kvm_hyp_init + 1,
+	__KVM_HOST_SMCCC_FUNC___pkvm_init,
+	__KVM_HOST_SMCCC_FUNC___pkvm_create_private_mapping,
+	__KVM_HOST_SMCCC_FUNC___pkvm_cpu_set_vector,
+	__KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs,
+	__KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs,
+	__KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config,
+	__KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize,
+
+	/* Hypercalls available after pKVM finalisation */
+	__KVM_HOST_SMCCC_FUNC___pkvm_host_share_hyp,
+	__KVM_HOST_SMCCC_FUNC___pkvm_host_unshare_hyp,
+	__KVM_HOST_SMCCC_FUNC___pkvm_host_reclaim_page,
+	__KVM_HOST_SMCCC_FUNC___pkvm_host_donate_guest,
+	__KVM_HOST_SMCCC_FUNC___kvm_adjust_pc,
+	__KVM_HOST_SMCCC_FUNC___kvm_vcpu_run,
+	__KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context,
+	__KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa,
+	__KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid,
+	__KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context,
+	__KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff,
+	__KVM_HOST_SMCCC_FUNC___vgic_v3_save_vmcr_aprs,
+	__KVM_HOST_SMCCC_FUNC___vgic_v3_restore_vmcr_aprs,
+	__KVM_HOST_SMCCC_FUNC___pkvm_init_shadow,
+	__KVM_HOST_SMCCC_FUNC___pkvm_init_shadow_vcpu,
+	__KVM_HOST_SMCCC_FUNC___pkvm_teardown_shadow,
+	__KVM_HOST_SMCCC_FUNC___pkvm_vcpu_load,
+	__KVM_HOST_SMCCC_FUNC___pkvm_vcpu_put,
+	__KVM_HOST_SMCCC_FUNC___pkvm_vcpu_sync_state,
+	__KVM_HOST_SMCCC_FUNC___pkvm_iommu_driver_init,
+	__KVM_HOST_SMCCC_FUNC___pkvm_iommu_register,
+	__KVM_HOST_SMCCC_FUNC___pkvm_iommu_pm_notify,
+	__KVM_HOST_SMCCC_FUNC___pkvm_iommu_finalize,
+};
+
 #define DECLARE_KVM_VHE_SYM(sym)	extern char sym[]
 #define DECLARE_KVM_NVHE_SYM(sym)	extern char kvm_nvhe_sym(sym)[]
 
@@ -95,7 +114,7 @@
 #define per_cpu_ptr_nvhe_sym(sym, cpu)						\
 	({									\
 		unsigned long base, off;					\
-		base = kvm_arm_hyp_percpu_base[cpu];				\
+		base = kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[cpu];		\
 		off = (unsigned long)&CHOOSE_NVHE_SYM(sym) -			\
 		      (unsigned long)&CHOOSE_NVHE_SYM(__per_cpu_start);		\
 		base ? (typeof(CHOOSE_NVHE_SYM(sym))*)(base + off) : NULL;	\
@@ -153,6 +172,17 @@
 
 #endif
 
+struct kvm_nvhe_init_params {
+	unsigned long mair_el2;
+	unsigned long tcr_el2;
+	unsigned long tpidr_el2;
+	unsigned long stack_hyp_va;
+	phys_addr_t pgd_pa;
+	unsigned long hcr_el2;
+	unsigned long vttbr;
+	unsigned long vtcr;
+};
+
 /* Translate a kernel address @ptr into its equivalent linear mapping */
 #define kvm_ksym_ref(ptr)						\
 	({								\
@@ -161,24 +191,21 @@
 			val = lm_alias((ptr));				\
 		val;							\
 	 })
-#define kvm_ksym_ref_nvhe(sym)	kvm_ksym_ref(kvm_nvhe_sym(sym))
+#define kvm_ksym_ref_nvhe(sym)	kvm_ksym_ref(__va_function(kvm_nvhe_sym(sym)))
 
 struct kvm;
 struct kvm_vcpu;
 struct kvm_s2_mmu;
 
 DECLARE_KVM_NVHE_SYM(__kvm_hyp_init);
-DECLARE_KVM_NVHE_SYM(__kvm_hyp_host_vector);
 DECLARE_KVM_HYP_SYM(__kvm_hyp_vector);
 #define __kvm_hyp_init		CHOOSE_NVHE_SYM(__kvm_hyp_init)
-#define __kvm_hyp_host_vector	CHOOSE_NVHE_SYM(__kvm_hyp_host_vector)
 #define __kvm_hyp_vector	CHOOSE_HYP_SYM(__kvm_hyp_vector)
 
-extern unsigned long kvm_arm_hyp_percpu_base[NR_CPUS];
+extern unsigned long kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[];
 DECLARE_KVM_NVHE_SYM(__per_cpu_start);
 DECLARE_KVM_NVHE_SYM(__per_cpu_end);
 
-extern atomic_t arm64_el2_vector_last_slot;
 DECLARE_KVM_HYP_SYM(__bp_harden_hyp_vecs);
 #define __bp_harden_hyp_vecs	CHOOSE_HYP_SYM(__bp_harden_hyp_vecs)
 
@@ -192,41 +219,12 @@
 
 extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
 
-extern void __kvm_enable_ssbs(void);
+extern void __kvm_adjust_pc(struct kvm_vcpu *vcpu);
 
-extern u64 __vgic_v3_get_ich_vtr_el2(void);
-extern u64 __vgic_v3_read_vmcr(void);
-extern void __vgic_v3_write_vmcr(u32 vmcr);
+extern u64 __vgic_v3_get_gic_config(void);
 extern void __vgic_v3_init_lrs(void);
 
-extern u32 __kvm_get_mdcr_el2(void);
-
-extern char __smccc_workaround_1_smc[__SMCCC_WORKAROUND_1_SMC_SZ];
-extern char __smccc_workaround_3_smc[__SMCCC_WORKAROUND_3_SMC_SZ];
-extern char __spectre_bhb_loop_k8[__SPECTRE_BHB_LOOP_SZ];
-extern char __spectre_bhb_loop_k24[__SPECTRE_BHB_LOOP_SZ];
-extern char __spectre_bhb_loop_k32[__SPECTRE_BHB_LOOP_SZ];
-extern char __spectre_bhb_clearbhb[__SPECTRE_BHB_LOOP_SZ];
-
-/*
- * Obtain the PC-relative address of a kernel symbol
- * s: symbol
- *
- * The goal of this macro is to return a symbol's address based on a
- * PC-relative computation, as opposed to a loading the VA from a
- * constant pool or something similar. This works well for HYP, as an
- * absolute VA is guaranteed to be wrong. Only use this if trying to
- * obtain the address of a symbol (i.e. not something you obtained by
- * following a pointer).
- */
-#define hyp_symbol_addr(s)						\
-	({								\
-		typeof(s) *addr;					\
-		asm("adrp	%0, %1\n"				\
-		    "add	%0, %0, :lo12:%1\n"			\
-		    : "=r" (addr) : "S" (&s));				\
-		addr;							\
-	})
+extern u64 __kvm_get_mdcr_el2(void);
 
 #define __KVM_EXTABLE(from, to)						\
 	"	.pushsection	__kvm_ex_table, \"a\"\n"		\
diff --git a/arch/arm64/include/asm/kvm_coproc.h b/arch/arm64/include/asm/kvm_coproc.h
deleted file mode 100644
index d6bb401..0000000
--- a/arch/arm64/include/asm/kvm_coproc.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2012,2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * Derived from arch/arm/include/asm/kvm_coproc.h
- * Copyright (C) 2012 Rusty Russell IBM Corporation
- */
-
-#ifndef __ARM64_KVM_COPROC_H__
-#define __ARM64_KVM_COPROC_H__
-
-#include <linux/kvm_host.h>
-
-void kvm_reset_sys_regs(struct kvm_vcpu *vcpu);
-
-struct kvm_sys_reg_table {
-	const struct sys_reg_desc *table;
-	size_t num;
-};
-
-int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu);
-int kvm_handle_cp14_32(struct kvm_vcpu *vcpu);
-int kvm_handle_cp14_64(struct kvm_vcpu *vcpu);
-int kvm_handle_cp15_32(struct kvm_vcpu *vcpu);
-int kvm_handle_cp15_64(struct kvm_vcpu *vcpu);
-int kvm_handle_sys_reg(struct kvm_vcpu *vcpu);
-
-#define kvm_coproc_table_init kvm_sys_reg_table_init
-void kvm_sys_reg_table_init(void);
-
-struct kvm_one_reg;
-int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
-int kvm_arm_sys_reg_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
-int kvm_arm_sys_reg_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
-unsigned long kvm_arm_num_sys_reg_descs(struct kvm_vcpu *vcpu);
-
-#endif /* __ARM64_KVM_COPROC_H__ */
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 4bca3d1..89b63b8 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -21,20 +21,46 @@
 #include <asm/cputype.h>
 #include <asm/virt.h>
 
-unsigned long *vcpu_reg32(const struct kvm_vcpu *vcpu, u8 reg_num);
-unsigned long vcpu_read_spsr32(const struct kvm_vcpu *vcpu);
-void vcpu_write_spsr32(struct kvm_vcpu *vcpu, unsigned long v);
+#define CURRENT_EL_SP_EL0_VECTOR	0x0
+#define CURRENT_EL_SP_ELx_VECTOR	0x200
+#define LOWER_EL_AArch64_VECTOR		0x400
+#define LOWER_EL_AArch32_VECTOR		0x600
+
+enum exception_type {
+	except_type_sync	= 0,
+	except_type_irq		= 0x80,
+	except_type_fiq		= 0x100,
+	except_type_serror	= 0x180,
+};
 
 bool kvm_condition_valid32(const struct kvm_vcpu *vcpu);
-void kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr);
+void kvm_skip_instr32(struct kvm_vcpu *vcpu);
 
 void kvm_inject_undefined(struct kvm_vcpu *vcpu);
 void kvm_inject_vabt(struct kvm_vcpu *vcpu);
 void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr);
 void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr);
-void kvm_inject_undef32(struct kvm_vcpu *vcpu);
-void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr);
-void kvm_inject_pabt32(struct kvm_vcpu *vcpu, unsigned long addr);
+
+unsigned long get_except64_offset(unsigned long psr, unsigned long target_mode,
+				  enum exception_type type);
+unsigned long get_except64_cpsr(unsigned long old, bool has_mte,
+				unsigned long sctlr, unsigned long mode);
+
+static inline int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
+{
+	/*
+	 * For now make sure that both address/generic pointer authentication
+	 * features are requested by the userspace together and the system
+	 * supports these capabilities.
+	 */
+	if (!test_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, vcpu->arch.features) ||
+	    !test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, vcpu->arch.features) ||
+	    !system_has_full_ptr_auth())
+		return -EINVAL;
+
+	vcpu->arch.flags |= KVM_ARM64_GUEST_HAS_PTRAUTH;
+	return 0;
+}
 
 static __always_inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)
 {
@@ -79,6 +105,9 @@
 	if (cpus_have_const_cap(ARM64_MISMATCHED_CACHE_TYPE) ||
 	    vcpu_el1_is_32bit(vcpu))
 		vcpu->arch.hcr_el2 |= HCR_TID2;
+
+	if (kvm_has_mte(vcpu->kvm))
+		vcpu->arch.hcr_el2 |= HCR_ATA;
 }
 
 static inline unsigned long *vcpu_hcr(struct kvm_vcpu *vcpu)
@@ -168,30 +197,6 @@
 		vcpu_gp_regs(vcpu)->regs[reg_num] = val;
 }
 
-static inline unsigned long vcpu_read_spsr(const struct kvm_vcpu *vcpu)
-{
-	if (vcpu_mode_is_32bit(vcpu))
-		return vcpu_read_spsr32(vcpu);
-
-	if (vcpu->arch.sysregs_loaded_on_cpu)
-		return read_sysreg_el1(SYS_SPSR);
-	else
-		return __vcpu_sys_reg(vcpu, SPSR_EL1);
-}
-
-static inline void vcpu_write_spsr(struct kvm_vcpu *vcpu, unsigned long v)
-{
-	if (vcpu_mode_is_32bit(vcpu)) {
-		vcpu_write_spsr32(vcpu, v);
-		return;
-	}
-
-	if (vcpu->arch.sysregs_loaded_on_cpu)
-		write_sysreg_el1(v, SYS_SPSR);
-	else
-		__vcpu_sys_reg(vcpu, SPSR_EL1) = v;
-}
-
 /*
  * The layout of SPSR for an AArch32 state is different when observed from an
  * AArch64 SPSR_ELx or an AArch32 SPSR_*. This function generates the AArch32
@@ -420,7 +425,7 @@
 		*vcpu_cpsr(vcpu) |= PSR_AA32_E_BIT;
 	} else {
 		u64 sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1);
-		sctlr |= (1 << 25);
+		sctlr |= SCTLR_ELx_EE;
 		vcpu_write_sys_reg(vcpu, sctlr, SCTLR_EL1);
 	}
 }
@@ -430,7 +435,10 @@
 	if (vcpu_mode_is_32bit(vcpu))
 		return !!(*vcpu_cpsr(vcpu) & PSR_AA32_E_BIT);
 
-	return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & (1 << 25));
+	if (vcpu_mode_priv(vcpu))
+		return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_ELx_EE);
+	else
+		return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_EL1_E0E);
 }
 
 static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu,
@@ -495,32 +503,9 @@
 	return data;		/* Leave LE untouched */
 }
 
-static __always_inline void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr)
+static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
 {
-	if (vcpu_mode_is_32bit(vcpu)) {
-		kvm_skip_instr32(vcpu, is_wide_instr);
-	} else {
-		*vcpu_pc(vcpu) += 4;
-		*vcpu_cpsr(vcpu) &= ~PSR_BTYPE_MASK;
-	}
-
-	/* advance the singlestep state machine */
-	*vcpu_cpsr(vcpu) &= ~DBG_SPSR_SS;
-}
-
-/*
- * Skip an instruction which has been emulated at hyp while most guest sysregs
- * are live.
- */
-static __always_inline void __kvm_skip_instr(struct kvm_vcpu *vcpu)
-{
-	*vcpu_pc(vcpu) = read_sysreg_el2(SYS_ELR);
-	vcpu_gp_regs(vcpu)->pstate = read_sysreg_el2(SYS_SPSR);
-
-	kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
-
-	write_sysreg_el2(vcpu_gp_regs(vcpu)->pstate, SYS_SPSR);
-	write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
+	vcpu->arch.flags |= KVM_ARM64_INCREMENT_PC;
 }
 
 static inline bool vcpu_has_feature(struct kvm_vcpu *vcpu, int feature)
@@ -528,4 +513,34 @@
 	return test_bit(feature, vcpu->arch.features);
 }
 
+/* Narrow the PSCI register arguments (r1 to r3) to 32 bits. */
+static inline void kvm_psci_narrow_to_32bit(struct kvm_vcpu *vcpu)
+{
+	int i;
+
+	/*
+	 * Zero the input registers' upper 32 bits. They will be fully
+	 * zeroed on exit, so we're fine changing them in place.
+	 */
+	for (i = 1; i < 4; i++)
+		vcpu_set_reg(vcpu, i, lower_32_bits(vcpu_get_reg(vcpu, i)));
+}
+
+static inline bool kvm_psci_valid_affinity(struct kvm_vcpu *vcpu,
+					   unsigned long affinity)
+{
+	return !(affinity & ~MPIDR_HWID_BITMASK);
+}
+
+
+#define AFFINITY_MASK(level)	~((0x1UL << ((level) * MPIDR_LEVEL_BITS)) - 1)
+
+static inline unsigned long psci_affinity_mask(unsigned long affinity_level)
+{
+	if (affinity_level <= 3)
+		return MPIDR_HWID_BITMASK & AFFINITY_MASK(affinity_level);
+
+	return 0;
+}
+
 #endif /* __ARM64_KVM_EMULATE_H__ */
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 912b83e..4e75add 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -17,6 +17,7 @@
 #include <linux/jump_label.h>
 #include <linux/kvm_types.h>
 #include <linux/percpu.h>
+#include <linux/psci.h>
 #include <asm/arch_gicv3.h>
 #include <asm/barrier.h>
 #include <asm/cpufeature.h>
@@ -25,7 +26,6 @@
 #include <asm/fpsimd.h>
 #include <asm/kvm.h>
 #include <asm/kvm_asm.h>
-#include <asm/thread_info.h>
 
 #define __KVM_HAVE_ARCH_INTC_INITIALIZED
 
@@ -46,20 +46,87 @@
 #define KVM_REQ_VCPU_RESET	KVM_ARCH_REQ(2)
 #define KVM_REQ_RECORD_STEAL	KVM_ARCH_REQ(3)
 #define KVM_REQ_RELOAD_GICv4	KVM_ARCH_REQ(4)
+#define KVM_REQ_RELOAD_PMU	KVM_ARCH_REQ(5)
 
 #define KVM_DIRTY_LOG_MANUAL_CAPS   (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
 				     KVM_DIRTY_LOG_INITIALLY_SET)
 
+/*
+ * Mode of operation configurable with kvm-arm.mode early param.
+ * See Documentation/admin-guide/kernel-parameters.txt for more information.
+ */
+enum kvm_mode {
+	KVM_MODE_DEFAULT,
+	KVM_MODE_PROTECTED,
+	KVM_MODE_NONE,
+};
+enum kvm_mode kvm_get_mode(void);
+
 DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use);
 
 extern unsigned int kvm_sve_max_vl;
 int kvm_arm_init_sve(void);
 
-int __attribute_const__ kvm_target_cpu(void);
+u32 __attribute_const__ kvm_target_cpu(void);
 int kvm_reset_vcpu(struct kvm_vcpu *vcpu);
 void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu);
-int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext);
-void __extended_idmap_trampoline(phys_addr_t boot_pgd, phys_addr_t idmap_start);
+
+struct kvm_hyp_memcache {
+	phys_addr_t head;
+	unsigned long nr_pages;
+};
+
+static inline void push_hyp_memcache(struct kvm_hyp_memcache *mc,
+				     phys_addr_t *p,
+				     phys_addr_t (*to_pa)(void *virt))
+{
+	*p = mc->head;
+	mc->head = to_pa(p);
+	mc->nr_pages++;
+}
+
+static inline void *pop_hyp_memcache(struct kvm_hyp_memcache *mc,
+				     void *(*to_va)(phys_addr_t phys))
+{
+	phys_addr_t *p = to_va(mc->head);
+
+	if (!mc->nr_pages)
+		return NULL;
+
+	mc->head = *p;
+	mc->nr_pages--;
+
+	return p;
+}
+
+static inline int __topup_hyp_memcache(struct kvm_hyp_memcache *mc,
+				       unsigned long min_pages,
+				       void *(*alloc_fn)(void *arg),
+				       phys_addr_t (*to_pa)(void *virt),
+				       void *arg)
+{
+	while (mc->nr_pages < min_pages) {
+		phys_addr_t *p = alloc_fn(arg);
+
+		if (!p)
+			return -ENOMEM;
+		push_hyp_memcache(mc, p, to_pa);
+	}
+
+	return 0;
+}
+
+static inline void __free_hyp_memcache(struct kvm_hyp_memcache *mc,
+				       void (*free_fn)(void *virt, void *arg),
+				       void *(*to_va)(phys_addr_t phys),
+				       void *arg)
+{
+	while (mc->nr_pages)
+		free_fn(pop_hyp_memcache(mc, to_va), arg);
+}
+
+void free_hyp_memcache(struct kvm_hyp_memcache *mc);
+int topup_hyp_memcache(struct kvm_vcpu *vcpu);
 
 struct kvm_vmid {
 	/* The VMID generation used for the virt. memory system */
@@ -86,7 +153,24 @@
 	/* The last vcpu id that ran on each physical CPU */
 	int __percpu *last_vcpu_ran;
 
-	struct kvm *kvm;
+	struct kvm_arch *arch;
+};
+
+struct kvm_arch_memory_slot {
+};
+
+struct kvm_pinned_page {
+	struct list_head	link;
+	struct page		*page;
+};
+
+struct kvm_protected_vm {
+	bool enabled;
+	int shadow_handle;
+	struct mutex shadow_lock;
+	struct kvm_hyp_memcache teardown_mc;
+	struct list_head pinned_pages;
+	gpa_t pvmfw_load_addr;
 };
 
 struct kvm_arch {
@@ -110,7 +194,12 @@
 	 * should) opt in to this feature if KVM_CAP_ARM_NISV_TO_USER is
 	 * supported.
 	 */
-	bool return_nisv_io_abort_to_user;
+#define KVM_ARCH_FLAG_RETURN_NISV_IO_ABORT_TO_USER	0
+	/* Memory Tagging Extension enabled for the guest */
+#define KVM_ARCH_FLAG_MTE_ENABLED			1
+	/* Guest has bought into the MMIO guard extension */
+#define KVM_ARCH_FLAG_MMIO_GUARD			2
+	unsigned long flags;
 
 	/*
 	 * VM-wide PMU filter, implemented as a bitmap and big enough for
@@ -120,6 +209,32 @@
 	unsigned int pmuver;
 
 	u8 pfr0_csv2;
+	u8 pfr0_csv3;
+
+	struct kvm_protected_vm pkvm;
+};
+
+struct kvm_protected_vcpu {
+	/* A pointer to the host's vcpu. */
+	struct kvm_vcpu *host_vcpu;
+
+	/* A pointer to the shadow vm. */
+	struct kvm_shadow_vm *shadow_vm;
+
+	/* Tracks exit code for the protected guest. */
+	int exit_code;
+
+	/*
+	 * Track the power state transition of a protected vcpu.
+	 * Can be in one of three states:
+	 * PSCI_0_2_AFFINITY_LEVEL_ON
+	 * PSCI_0_2_AFFINITY_LEVEL_OFF
+	 * PSCI_0_2_AFFINITY_LEVEL_PENDING
+	 */
+	int power_state;
+
+	/* True if this vcpu is currently loaded on a cpu. */
+	bool loaded_on_cpu;
 };
 
 struct kvm_vcpu_fault_info {
@@ -169,7 +284,6 @@
 	PMCNTENSET_EL0,	/* Count Enable Set Register */
 	PMINTENSET_EL1,	/* Interrupt Enable Set Register */
 	PMOVSSET_EL0,	/* Overflow Flag Status Set Register */
-	PMSWINC_EL0,	/* Software Increment Register */
 	PMUSERENR_EL0,	/* User Enable Register */
 
 	/* Pointer Authentication Registers in a strict increasing order. */
@@ -194,6 +308,12 @@
 	CNTP_CVAL_EL0,
 	CNTP_CTL_EL0,
 
+	/* Memory Tagging Extension registers */
+	RGSR_EL1,	/* Random Allocation Tag Seed Register */
+	GCR_EL1,	/* Tag Control Register */
+	TFSR_EL1,	/* Tag Fault Status Register (EL1) */
+	TFSRE0_EL1,	/* Tag Fault Status Register (EL0) */
+
 	/* 32bit specific registers. Keep them at the end of the range */
 	DACR32_EL2,	/* Domain Access Control Register */
 	IFSR32_EL2,	/* Instruction Fault Status Register */
@@ -203,49 +323,6 @@
 	NR_SYS_REGS	/* Nothing after this line! */
 };
 
-/* 32bit mapping */
-#define c0_MPIDR	(MPIDR_EL1 * 2)	/* MultiProcessor ID Register */
-#define c0_CSSELR	(CSSELR_EL1 * 2)/* Cache Size Selection Register */
-#define c1_SCTLR	(SCTLR_EL1 * 2)	/* System Control Register */
-#define c1_ACTLR	(ACTLR_EL1 * 2)	/* Auxiliary Control Register */
-#define c1_CPACR	(CPACR_EL1 * 2)	/* Coprocessor Access Control */
-#define c2_TTBR0	(TTBR0_EL1 * 2)	/* Translation Table Base Register 0 */
-#define c2_TTBR0_high	(c2_TTBR0 + 1)	/* TTBR0 top 32 bits */
-#define c2_TTBR1	(TTBR1_EL1 * 2)	/* Translation Table Base Register 1 */
-#define c2_TTBR1_high	(c2_TTBR1 + 1)	/* TTBR1 top 32 bits */
-#define c2_TTBCR	(TCR_EL1 * 2)	/* Translation Table Base Control R. */
-#define c2_TTBCR2	(c2_TTBCR + 1)	/* Translation Table Base Control R. 2 */
-#define c3_DACR		(DACR32_EL2 * 2)/* Domain Access Control Register */
-#define c5_DFSR		(ESR_EL1 * 2)	/* Data Fault Status Register */
-#define c5_IFSR		(IFSR32_EL2 * 2)/* Instruction Fault Status Register */
-#define c5_ADFSR	(AFSR0_EL1 * 2)	/* Auxiliary Data Fault Status R */
-#define c5_AIFSR	(AFSR1_EL1 * 2)	/* Auxiliary Instr Fault Status R */
-#define c6_DFAR		(FAR_EL1 * 2)	/* Data Fault Address Register */
-#define c6_IFAR		(c6_DFAR + 1)	/* Instruction Fault Address Register */
-#define c7_PAR		(PAR_EL1 * 2)	/* Physical Address Register */
-#define c7_PAR_high	(c7_PAR + 1)	/* PAR top 32 bits */
-#define c10_PRRR	(MAIR_EL1 * 2)	/* Primary Region Remap Register */
-#define c10_NMRR	(c10_PRRR + 1)	/* Normal Memory Remap Register */
-#define c12_VBAR	(VBAR_EL1 * 2)	/* Vector Base Address Register */
-#define c13_CID		(CONTEXTIDR_EL1 * 2)	/* Context ID Register */
-#define c13_TID_URW	(TPIDR_EL0 * 2)	/* Thread ID, User R/W */
-#define c13_TID_URO	(TPIDRRO_EL0 * 2)/* Thread ID, User R/O */
-#define c13_TID_PRIV	(TPIDR_EL1 * 2)	/* Thread ID, Privileged */
-#define c10_AMAIR0	(AMAIR_EL1 * 2)	/* Aux Memory Attr Indirection Reg */
-#define c10_AMAIR1	(c10_AMAIR0 + 1)/* Aux Memory Attr Indirection Reg */
-#define c14_CNTKCTL	(CNTKCTL_EL1 * 2) /* Timer Control Register (PL1) */
-
-#define cp14_DBGDSCRext	(MDSCR_EL1 * 2)
-#define cp14_DBGBCR0	(DBGBCR0_EL1 * 2)
-#define cp14_DBGBVR0	(DBGBVR0_EL1 * 2)
-#define cp14_DBGBXVR0	(cp14_DBGBVR0 + 1)
-#define cp14_DBGWCR0	(DBGWCR0_EL1 * 2)
-#define cp14_DBGWVR0	(DBGWVR0_EL1 * 2)
-#define cp14_DBGDCCINT	(MDCCINT_EL1 * 2)
-#define cp14_DBGVCR	(DBGVCR32_EL2 * 2)
-
-#define NR_COPRO_REGS	(NR_SYS_REGS * 2)
-
 struct kvm_cpu_context {
 	struct user_pt_regs regs;	/* sp = sp_el0 */
 
@@ -256,10 +333,7 @@
 
 	struct user_fpsimd_state fp_regs;
 
-	union {
-		u64 sys_regs[NR_SYS_REGS];
-		u32 copro[NR_COPRO_REGS];
-	};
+	u64 sys_regs[NR_SYS_REGS];
 
 	struct kvm_vcpu *__hyp_running_vcpu;
 };
@@ -274,6 +348,52 @@
 	struct kvm_pmu_events pmu_events;
 };
 
+struct kvm_host_psci_config {
+	/* PSCI version used by host. */
+	u32 version;
+	u32 smccc_version;
+
+	/* Function IDs used by host if version is v0.1. */
+	struct psci_0_1_function_ids function_ids_0_1;
+
+	bool psci_0_1_cpu_suspend_implemented;
+	bool psci_0_1_cpu_on_implemented;
+	bool psci_0_1_cpu_off_implemented;
+	bool psci_0_1_migrate_implemented;
+};
+
+extern struct kvm_host_psci_config kvm_nvhe_sym(kvm_host_psci_config);
+#define kvm_host_psci_config CHOOSE_NVHE_SYM(kvm_host_psci_config)
+
+extern s64 kvm_nvhe_sym(hyp_physvirt_offset);
+#define hyp_physvirt_offset CHOOSE_NVHE_SYM(hyp_physvirt_offset)
+
+extern u64 kvm_nvhe_sym(hyp_cpu_logical_map)[NR_CPUS];
+#define hyp_cpu_logical_map CHOOSE_NVHE_SYM(hyp_cpu_logical_map)
+
+enum pkvm_iommu_driver_id {
+	PKVM_IOMMU_DRIVER_S2MPU,
+	PKVM_IOMMU_DRIVER_SYSMMU_SYNC,
+	PKVM_IOMMU_NR_DRIVERS,
+};
+
+enum pkvm_iommu_pm_event {
+	PKVM_IOMMU_PM_SUSPEND,
+	PKVM_IOMMU_PM_RESUME,
+};
+
+int pkvm_iommu_driver_init(enum pkvm_iommu_driver_id drv_id, void *data, size_t size);
+int pkvm_iommu_register(struct device *dev, enum pkvm_iommu_driver_id drv_id,
+			phys_addr_t pa, size_t size, struct device *parent);
+int pkvm_iommu_suspend(struct device *dev);
+int pkvm_iommu_resume(struct device *dev);
+
+int pkvm_iommu_s2mpu_register(struct device *dev, phys_addr_t pa);
+int pkvm_iommu_sysmmu_sync_register(struct device *dev, phys_addr_t pa,
+				    struct device *parent);
+/* Reject future calls to pkvm_iommu_driver_init() and pkvm_iommu_register(). */
+int pkvm_iommu_finalize(void);
+
 struct vcpu_reset_state {
 	unsigned long	pc;
 	unsigned long	r0;
@@ -289,16 +409,17 @@
 	/* Stage 2 paging state used by the hardware on next switch */
 	struct kvm_s2_mmu *hw_mmu;
 
-	/* HYP configuration */
+	/* Values of trap registers for the guest. */
 	u64 hcr_el2;
-	u32 mdcr_el2;
+	u64 mdcr_el2;
+	u64 cptr_el2;
+
+	/* Values of trap registers for the host before guest entry. */
+	u64 mdcr_el2_host;
 
 	/* Exception Information */
 	struct kvm_vcpu_fault_info fault;
 
-	/* State of various workarounds, see kvm_asm.h for bit assignment */
-	u64 workaround_flags;
-
 	/* Miscellaneous vcpu state flags */
 	u64 flags;
 
@@ -319,14 +440,16 @@
 	struct kvm_guest_debug_arch vcpu_debug_state;
 	struct kvm_guest_debug_arch external_debug_state;
 
-	struct thread_info *host_thread_info;	/* hyp VA */
 	struct user_fpsimd_state *host_fpsimd_state;	/* hyp VA */
+	struct task_struct *parent_task;
 
 	struct {
 		/* {Break,watch}point registers */
 		struct kvm_guest_debug_arch regs;
 		/* Statistical profiling extension */
 		u64 pmscr_el1;
+		/* Self-hosted trace */
+		u64 trfcr_el1;
 	} host_debug_state;
 
 	/* VGIC state */
@@ -356,16 +479,17 @@
 	/* Don't run the guest (internal implementation need) */
 	bool pause;
 
-	/* Cache some mmu pages needed inside spinlock regions */
-	struct kvm_mmu_memory_cache mmu_page_cache;
+	union {
+		/* Cache some mmu pages needed inside spinlock regions */
+		struct kvm_mmu_memory_cache mmu_page_cache;
+		/* Pages to be donated to pkvm/EL2e if it runs out */
+		struct kvm_hyp_memcache pkvm_memcache;
+	};
 
 	/* Target CPU and feature flags */
 	int target;
 	DECLARE_BITMAP(features, KVM_VCPU_MAX_FEATURES);
 
-	/* Detect first run of a vcpu */
-	bool has_run_once;
-
 	/* Virtual SError ESR to restore when HCR_EL2.VSE is set */
 	u64 vsesr_el2;
 
@@ -381,11 +505,15 @@
 		u64 last_steal;
 		gpa_t base;
 	} steal;
+
+	struct kvm_protected_vcpu pkvm;
 };
 
 /* Pointer to the vcpu's SVE FFR for sve_{save,load}_state() */
-#define vcpu_sve_pffr(vcpu) ((void *)((char *)((vcpu)->arch.sve_state) + \
-				      sve_ffr_offset((vcpu)->arch.sve_max_vl)))
+#define vcpu_sve_pffr(vcpu) (kern_hyp_va((vcpu)->arch.sve_state) +	\
+			     sve_ffr_offset((vcpu)->arch.sve_max_vl))
+
+#define vcpu_sve_max_vq(vcpu)	sve_vq_from_vl((vcpu)->arch.sve_max_vl)
 
 #define vcpu_sve_state_size(vcpu) ({					\
 	size_t __size_ret;						\
@@ -394,7 +522,7 @@
 	if (WARN_ON(!sve_vl_valid((vcpu)->arch.sve_max_vl))) {		\
 		__size_ret = 0;						\
 	} else {							\
-		__vcpu_vq = sve_vq_from_vl((vcpu)->arch.sve_max_vl);	\
+		__vcpu_vq = vcpu_sve_max_vq(vcpu);			\
 		__size_ret = SVE_SIG_REGS_SIZE(__vcpu_vq);		\
 	}								\
 									\
@@ -405,13 +533,46 @@
 #define KVM_ARM64_DEBUG_DIRTY		(1 << 0)
 #define KVM_ARM64_FP_ENABLED		(1 << 1) /* guest FP regs loaded */
 #define KVM_ARM64_FP_HOST		(1 << 2) /* host FP regs loaded */
-#define KVM_ARM64_HOST_SVE_IN_USE	(1 << 3) /* backup for host TIF_SVE */
 #define KVM_ARM64_HOST_SVE_ENABLED	(1 << 4) /* SVE enabled for EL0 */
 #define KVM_ARM64_GUEST_HAS_SVE		(1 << 5) /* SVE exposed to guest */
 #define KVM_ARM64_VCPU_SVE_FINALIZED	(1 << 6) /* SVE config completed */
 #define KVM_ARM64_GUEST_HAS_PTRAUTH	(1 << 7) /* PTRAUTH exposed to guest */
+#define KVM_ARM64_PENDING_EXCEPTION	(1 << 8) /* Exception pending */
+/*
+ * Overlaps with KVM_ARM64_EXCEPT_MASK on purpose so that it can't be
+ * set together with an exception...
+ */
+#define KVM_ARM64_INCREMENT_PC		(1 << 9) /* Increment PC */
+#define KVM_ARM64_EXCEPT_MASK		(7 << 9) /* Target EL/MODE */
 
-#define vcpu_has_sve(vcpu) (system_supports_sve() && \
+/*
+ * When KVM_ARM64_PENDING_EXCEPTION is set, KVM_ARM64_EXCEPT_MASK can
+ * take the following values:
+ *
+ * For AArch32 EL1:
+ */
+#define KVM_ARM64_EXCEPT_AA32_UND	(0 << 9)
+#define KVM_ARM64_EXCEPT_AA32_IABT	(1 << 9)
+#define KVM_ARM64_EXCEPT_AA32_DABT	(2 << 9)
+/* For AArch64: */
+#define KVM_ARM64_EXCEPT_AA64_ELx_SYNC	(0 << 9)
+#define KVM_ARM64_EXCEPT_AA64_ELx_IRQ	(1 << 9)
+#define KVM_ARM64_EXCEPT_AA64_ELx_FIQ	(2 << 9)
+#define KVM_ARM64_EXCEPT_AA64_ELx_SERR	(3 << 9)
+#define KVM_ARM64_EXCEPT_AA64_EL1	(0 << 11)
+#define KVM_ARM64_EXCEPT_AA64_EL2	(1 << 11)
+
+#define KVM_ARM64_DEBUG_STATE_SAVE_SPE	(1 << 12) /* Save SPE context if active  */
+#define KVM_ARM64_DEBUG_STATE_SAVE_TRBE	(1 << 13) /* Save TRBE context if active  */
+#define KVM_ARM64_FP_FOREIGN_FPSTATE	(1 << 14)
+#define KVM_ARM64_PKVM_STATE_DIRTY	(1 << 15)
+
+#define KVM_GUESTDBG_VALID_MASK (KVM_GUESTDBG_ENABLE | \
+				 KVM_GUESTDBG_USE_SW_BP | \
+				 KVM_GUESTDBG_USE_HW | \
+				 KVM_GUESTDBG_SINGLESTEP)
+
+#define vcpu_has_sve(vcpu) (system_supports_sve() &&			\
 			    ((vcpu)->arch.flags & KVM_ARM64_GUEST_HAS_SVE))
 
 #ifdef CONFIG_ARM64_PTR_AUTH
@@ -438,17 +599,121 @@
 
 #define __vcpu_sys_reg(v,r)	(ctxt_sys_reg(&(v)->arch.ctxt, (r)))
 
-u64 vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg);
-void vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg);
+static inline bool __vcpu_read_sys_reg_from_cpu(int reg, u64 *val)
+{
+	/*
+	 * *** VHE ONLY ***
+	 *
+	 * System registers listed in the switch are not saved on every
+	 * exit from the guest but are only saved on vcpu_put.
+	 *
+	 * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
+	 * should never be listed below, because the guest cannot modify its
+	 * own MPIDR_EL1 and MPIDR_EL1 is accessed for VCPU A from VCPU B's
+	 * thread when emulating cross-VCPU communication.
+	 */
+	if (!has_vhe())
+		return false;
 
-/*
- * CP14 and CP15 live in the same array, as they are backed by the
- * same system registers.
- */
-#define CPx_BIAS		IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
+	switch (reg) {
+	case CSSELR_EL1:	*val = read_sysreg_s(SYS_CSSELR_EL1);	break;
+	case SCTLR_EL1:		*val = read_sysreg_s(SYS_SCTLR_EL12);	break;
+	case CPACR_EL1:		*val = read_sysreg_s(SYS_CPACR_EL12);	break;
+	case TTBR0_EL1:		*val = read_sysreg_s(SYS_TTBR0_EL12);	break;
+	case TTBR1_EL1:		*val = read_sysreg_s(SYS_TTBR1_EL12);	break;
+	case TCR_EL1:		*val = read_sysreg_s(SYS_TCR_EL12);	break;
+	case ESR_EL1:		*val = read_sysreg_s(SYS_ESR_EL12);	break;
+	case AFSR0_EL1:		*val = read_sysreg_s(SYS_AFSR0_EL12);	break;
+	case AFSR1_EL1:		*val = read_sysreg_s(SYS_AFSR1_EL12);	break;
+	case FAR_EL1:		*val = read_sysreg_s(SYS_FAR_EL12);	break;
+	case MAIR_EL1:		*val = read_sysreg_s(SYS_MAIR_EL12);	break;
+	case VBAR_EL1:		*val = read_sysreg_s(SYS_VBAR_EL12);	break;
+	case CONTEXTIDR_EL1:	*val = read_sysreg_s(SYS_CONTEXTIDR_EL12);break;
+	case TPIDR_EL0:		*val = read_sysreg_s(SYS_TPIDR_EL0);	break;
+	case TPIDRRO_EL0:	*val = read_sysreg_s(SYS_TPIDRRO_EL0);	break;
+	case TPIDR_EL1:		*val = read_sysreg_s(SYS_TPIDR_EL1);	break;
+	case AMAIR_EL1:		*val = read_sysreg_s(SYS_AMAIR_EL12);	break;
+	case CNTKCTL_EL1:	*val = read_sysreg_s(SYS_CNTKCTL_EL12);	break;
+	case ELR_EL1:		*val = read_sysreg_s(SYS_ELR_EL12);	break;
+	case PAR_EL1:		*val = read_sysreg_par();		break;
+	case DACR32_EL2:	*val = read_sysreg_s(SYS_DACR32_EL2);	break;
+	case IFSR32_EL2:	*val = read_sysreg_s(SYS_IFSR32_EL2);	break;
+	case DBGVCR32_EL2:	*val = read_sysreg_s(SYS_DBGVCR32_EL2);	break;
+	default:		return false;
+	}
 
-#define vcpu_cp14(v,r)		((v)->arch.ctxt.copro[(r) ^ CPx_BIAS])
-#define vcpu_cp15(v,r)		((v)->arch.ctxt.copro[(r) ^ CPx_BIAS])
+	return true;
+}
+
+static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
+{
+	/*
+	 * *** VHE ONLY ***
+	 *
+	 * System registers listed in the switch are not restored on every
+	 * entry to the guest but are only restored on vcpu_load.
+	 *
+	 * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
+	 * should never be listed below, because the MPIDR should only be set
+	 * once, before running the VCPU, and never changed later.
+	 */
+	if (!has_vhe())
+		return false;
+
+	switch (reg) {
+	case CSSELR_EL1:	write_sysreg_s(val, SYS_CSSELR_EL1);	break;
+	case SCTLR_EL1:		write_sysreg_s(val, SYS_SCTLR_EL12);	break;
+	case CPACR_EL1:		write_sysreg_s(val, SYS_CPACR_EL12);	break;
+	case TTBR0_EL1:		write_sysreg_s(val, SYS_TTBR0_EL12);	break;
+	case TTBR1_EL1:		write_sysreg_s(val, SYS_TTBR1_EL12);	break;
+	case TCR_EL1:		write_sysreg_s(val, SYS_TCR_EL12);	break;
+	case ESR_EL1:		write_sysreg_s(val, SYS_ESR_EL12);	break;
+	case AFSR0_EL1:		write_sysreg_s(val, SYS_AFSR0_EL12);	break;
+	case AFSR1_EL1:		write_sysreg_s(val, SYS_AFSR1_EL12);	break;
+	case FAR_EL1:		write_sysreg_s(val, SYS_FAR_EL12);	break;
+	case MAIR_EL1:		write_sysreg_s(val, SYS_MAIR_EL12);	break;
+	case VBAR_EL1:		write_sysreg_s(val, SYS_VBAR_EL12);	break;
+	case CONTEXTIDR_EL1:	write_sysreg_s(val, SYS_CONTEXTIDR_EL12);break;
+	case TPIDR_EL0:		write_sysreg_s(val, SYS_TPIDR_EL0);	break;
+	case TPIDRRO_EL0:	write_sysreg_s(val, SYS_TPIDRRO_EL0);	break;
+	case TPIDR_EL1:		write_sysreg_s(val, SYS_TPIDR_EL1);	break;
+	case AMAIR_EL1:		write_sysreg_s(val, SYS_AMAIR_EL12);	break;
+	case CNTKCTL_EL1:	write_sysreg_s(val, SYS_CNTKCTL_EL12);	break;
+	case ELR_EL1:		write_sysreg_s(val, SYS_ELR_EL12);	break;
+	case PAR_EL1:		write_sysreg_s(val, SYS_PAR_EL1);	break;
+	case DACR32_EL2:	write_sysreg_s(val, SYS_DACR32_EL2);	break;
+	case IFSR32_EL2:	write_sysreg_s(val, SYS_IFSR32_EL2);	break;
+	case DBGVCR32_EL2:	write_sysreg_s(val, SYS_DBGVCR32_EL2);	break;
+	default:		return false;
+	}
+
+	return true;
+}
+
+static inline u64 vcpu_arch_read_sys_reg(const struct kvm_vcpu_arch *vcpu_arch, int reg)
+{
+	u64 val = 0x8badf00d8badf00d;
+
+	/* sysregs_loaded_on_cpu is only used in VHE */
+	if (!is_nvhe_hyp_code() && vcpu_arch->sysregs_loaded_on_cpu &&
+	    __vcpu_read_sys_reg_from_cpu(reg, &val))
+		return val;
+
+	return ctxt_sys_reg(&vcpu_arch->ctxt, reg);
+}
+
+static inline void vcpu_arch_write_sys_reg(struct kvm_vcpu_arch *vcpu_arch, u64 val, int reg)
+{
+	/* sysregs_loaded_on_cpu is only used in VHE */
+	if (!is_nvhe_hyp_code() && vcpu_arch->sysregs_loaded_on_cpu &&
+	    __vcpu_write_sys_reg_to_cpu(val, reg))
+		return;
+
+	 ctxt_sys_reg(&vcpu_arch->ctxt, reg) = val;
+}
+
+#define vcpu_read_sys_reg(vcpu, reg) vcpu_arch_read_sys_reg(&((vcpu)->arch), reg)
+#define vcpu_write_sys_reg(vcpu, val, reg) vcpu_arch_write_sys_reg(&((vcpu)->arch), val, reg)
 
 struct kvm_vm_stat {
 	ulong remote_tlb_flush;
@@ -466,14 +731,21 @@
 	u64 wfi_exit_stat;
 	u64 mmio_exit_user;
 	u64 mmio_exit_kernel;
+	u64 signal_exits;
 	u64 exits;
 };
 
-int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init);
+void kvm_vcpu_preferred_target(struct kvm_vcpu_init *init);
 unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu);
 int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices);
 int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
 int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
+
+unsigned long kvm_arm_num_sys_reg_descs(struct kvm_vcpu *vcpu);
+int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
+int kvm_arm_sys_reg_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
+int kvm_arm_sys_reg_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
+
 int __kvm_arm_vcpu_get_events(struct kvm_vcpu *vcpu,
 			      struct kvm_vcpu_events *events);
 
@@ -490,6 +762,9 @@
 void kvm_arm_halt_guest(struct kvm *kvm);
 void kvm_arm_resume_guest(struct kvm *kvm);
 
+#define vcpu_has_run_once(vcpu)	!!rcu_access_pointer((vcpu)->pid)
+
+#ifndef __KVM_NVHE_HYPERVISOR__
 #define kvm_call_hyp_nvhe(f, ...)						\
 	({								\
 		struct arm_smccc_res res;				\
@@ -529,13 +804,28 @@
 									\
 		ret;							\
 	})
+#else /* __KVM_NVHE_HYPERVISOR__ */
+#define kvm_call_hyp(f, ...) f(__VA_ARGS__)
+#define kvm_call_hyp_ret(f, ...) f(__VA_ARGS__)
+#define kvm_call_hyp_nvhe(f, ...) f(__VA_ARGS__)
+#endif /* __KVM_NVHE_HYPERVISOR__ */
 
 void force_vm_exit(const cpumask_t *mask);
-void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot);
 
 int handle_exit(struct kvm_vcpu *vcpu, int exception_index);
 void handle_exit_early(struct kvm_vcpu *vcpu, int exception_index);
 
+int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu);
+int kvm_handle_cp14_32(struct kvm_vcpu *vcpu);
+int kvm_handle_cp14_64(struct kvm_vcpu *vcpu);
+int kvm_handle_cp15_32(struct kvm_vcpu *vcpu);
+int kvm_handle_cp15_64(struct kvm_vcpu *vcpu);
+int kvm_handle_sys_reg(struct kvm_vcpu *vcpu);
+
+void kvm_reset_sys_regs(struct kvm_vcpu *vcpu);
+
+void kvm_sys_reg_table_init(void);
+
 /* MMIO helpers */
 void kvm_mmio_write_buf(void *buf, unsigned int len, unsigned long data);
 unsigned long kvm_mmio_read_buf(const void *buf, unsigned int len);
@@ -580,17 +870,9 @@
 	ctxt_sys_reg(cpu_ctxt, MPIDR_EL1) = read_cpuid_mpidr();
 }
 
-static inline bool kvm_arch_requires_vhe(void)
+static inline bool kvm_system_needs_idmapped_vectors(void)
 {
-	/*
-	 * The Arm architecture specifies that implementation of SVE
-	 * requires VHE also to be implemented.  The KVM code for arm64
-	 * relies on this when SVE is present:
-	 */
-	if (system_supports_sve())
-		return true;
-
-	return false;
+	return cpus_have_const_cap(ARM64_SPECTRE_V3A);
 }
 
 void kvm_arm_vcpu_ptrauth_trap(struct kvm_vcpu *vcpu);
@@ -612,23 +894,27 @@
 int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu,
 			       struct kvm_device_attr *attr);
 
+int kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm,
+			       struct kvm_arm_copy_mte_tags *copy_tags);
+
 /* Guest/host FPSIMD coordination helpers */
 int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_load_fp(struct kvm_vcpu *vcpu);
+void kvm_arch_vcpu_ctxflush_fp(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_ctxsync_fp(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu);
+void kvm_vcpu_unshare_task_fp(struct kvm_vcpu *vcpu);
 
 static inline bool kvm_pmu_counter_deferred(struct perf_event_attr *attr)
 {
 	return (!has_vhe() && attr->exclude_host);
 }
 
-#ifdef CONFIG_KVM /* Avoid conflicts with core headers if CONFIG_KVM=n */
-static inline int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
-{
-	return kvm_arch_vcpu_run_map_fp(vcpu);
-}
+/* Flags for host debug state */
+void kvm_arch_vcpu_load_debug_state_flags(struct kvm_vcpu *vcpu);
+void kvm_arch_vcpu_put_debug_state_flags(struct kvm_vcpu *vcpu);
 
+#ifdef CONFIG_KVM
 void kvm_set_pmu_events(u32 set, struct perf_event_attr *attr);
 void kvm_clr_pmu_events(u32 clr);
 
@@ -648,7 +934,9 @@
 struct kvm *kvm_arch_alloc_vm(void);
 void kvm_arch_free_vm(struct kvm *kvm);
 
-int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type);
+#define kvm_vm_is_protected(kvm)	((kvm)->arch.pkvm.enabled)
+
+void kvm_init_protected_traps(struct kvm_vcpu *vcpu);
 
 int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature);
 bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);
@@ -656,4 +944,23 @@
 #define kvm_arm_vcpu_sve_finalized(vcpu) \
 	((vcpu)->arch.flags & KVM_ARM64_VCPU_SVE_FINALIZED)
 
+#define kvm_has_mte(kvm)					\
+	(system_supports_mte() &&				\
+	 test_bit(KVM_ARCH_FLAG_MTE_ENABLED, &(kvm)->arch.flags))
+#define kvm_vcpu_has_pmu(vcpu)					\
+	(test_bit(KVM_ARM_VCPU_PMU_V3, (vcpu)->arch.features))
+
+#define kvm_supports_32bit_el0()				\
+	(system_supports_32bit_el0() &&				\
+	 !static_branch_unlikely(&arm64_mismatched_32bit_el0))
+
+int kvm_trng_call(struct kvm_vcpu *vcpu);
+#ifdef CONFIG_KVM
+extern phys_addr_t hyp_mem_base;
+extern phys_addr_t hyp_mem_size;
+void __init kvm_hyp_reserve(void);
+#else
+static inline void kvm_hyp_reserve(void) { }
+#endif
+
 #endif /* __ARM64_KVM_HOST_H__ */
diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h
index 123e67c..dc9c66f 100644
--- a/arch/arm64/include/asm/kvm_hyp.h
+++ b/arch/arm64/include/asm/kvm_hyp.h
@@ -14,6 +14,7 @@
 
 DECLARE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt);
 DECLARE_PER_CPU(unsigned long, kvm_hyp_vector);
+DECLARE_PER_CPU(struct kvm_nvhe_init_params, kvm_init_params);
 
 #define read_sysreg_elx(r,nvh,vh)					\
 	({								\
@@ -60,8 +61,8 @@
 void __vgic_v3_restore_state(struct vgic_v3_cpu_if *cpu_if);
 void __vgic_v3_activate_traps(struct vgic_v3_cpu_if *cpu_if);
 void __vgic_v3_deactivate_traps(struct vgic_v3_cpu_if *cpu_if);
-void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if);
-void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if);
+void __vgic_v3_save_vmcr_aprs(struct vgic_v3_cpu_if *cpu_if);
+void __vgic_v3_restore_vmcr_aprs(struct vgic_v3_cpu_if *cpu_if);
 int __vgic_v3_perform_cpuif_access(struct kvm_vcpu *vcpu);
 
 #ifdef __KVM_NVHE_HYPERVISOR__
@@ -89,19 +90,38 @@
 
 void __fpsimd_save_state(struct user_fpsimd_state *fp_regs);
 void __fpsimd_restore_state(struct user_fpsimd_state *fp_regs);
+void __sve_restore_state(void *sve_pffr, u32 *fpsr);
 
 #ifndef __KVM_NVHE_HYPERVISOR__
 void activate_traps_vhe_load(struct kvm_vcpu *vcpu);
-void deactivate_traps_vhe_put(void);
+void deactivate_traps_vhe_put(struct kvm_vcpu *vcpu);
 #endif
 
 u64 __guest_enter(struct kvm_vcpu *vcpu);
 
-void __noreturn hyp_panic(void);
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt);
+
 #ifdef __KVM_NVHE_HYPERVISOR__
 void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
 			       u64 elr, u64 par);
 #endif
 
-#endif /* __ARM64_KVM_HYP_H__ */
+#ifdef __KVM_NVHE_HYPERVISOR__
+void __pkvm_init_switch_pgd(phys_addr_t phys, unsigned long size,
+			    phys_addr_t pgd, void *sp, void *cont_fn);
+int __pkvm_init(phys_addr_t phys, unsigned long size, unsigned long nr_cpus,
+		unsigned long *per_cpu_base, u32 hyp_va_bits);
+void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt);
+#endif
 
+extern u64 kvm_nvhe_sym(id_aa64pfr0_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64pfr1_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64isar0_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64isar1_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64mmfr0_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64mmfr1_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64mmfr2_el1_sys_val);
+
+extern unsigned long kvm_nvhe_sym(__icache_flags);
+extern bool kvm_nvhe_sym(smccc_trng_available);
+#endif /* __ARM64_KVM_HYP_H__ */
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index 47dafd6..b3b03f1 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -72,6 +72,42 @@
 alternative_cb_end
 .endm
 
+/*
+ * Convert a hypervisor VA to a PA
+ * reg: hypervisor address to be converted in place
+ * tmp: temporary register
+ */
+.macro hyp_pa reg, tmp
+	ldr_l	\tmp, hyp_physvirt_offset
+	add	\reg, \reg, \tmp
+.endm
+
+/*
+ * Convert a hypervisor VA to a kernel image address
+ * reg: hypervisor address to be converted in place
+ * tmp: temporary register
+ *
+ * The actual code generation takes place in kvm_get_kimage_voffset, and
+ * the instructions below are only there to reserve the space and
+ * perform the register allocation (kvm_get_kimage_voffset uses the
+ * specific registers encoded in the instructions).
+ */
+.macro hyp_kimg_va reg, tmp
+	/* Convert hyp VA -> PA. */
+	hyp_pa	\reg, \tmp
+
+	/* Load kimage_voffset. */
+alternative_cb kvm_get_kimage_voffset
+	movz	\tmp, #0
+	movk	\tmp, #0, lsl #16
+	movk	\tmp, #0, lsl #32
+	movk	\tmp, #0, lsl #48
+alternative_cb_end
+
+	/* Convert PA -> kimg VA. */
+	add	\reg, \reg, \tmp
+.endm
+
 #else
 
 #include <linux/pgtable.h>
@@ -82,7 +118,14 @@
 
 void kvm_update_va_mask(struct alt_instr *alt,
 			__le32 *origptr, __le32 *updptr, int nr_inst);
+void kvm_get__text(struct alt_instr *alt,
+		   __le32 *origptr, __le32 *updptr, int nr_inst);
+void kvm_get__etext(struct alt_instr *alt,
+		    __le32 *origptr, __le32 *updptr, int nr_inst);
 void kvm_compute_layout(void);
+void kvm_apply_hyp_relocations(void);
+
+#define __hyp_pa(x) (((phys_addr_t)(x)) + hyp_physvirt_offset)
 
 static __always_inline unsigned long __kern_hyp_va(unsigned long v)
 {
@@ -111,6 +154,8 @@
 #include <asm/kvm_pgtable.h>
 #include <asm/stage2_pgtable.h>
 
+int kvm_share_hyp(void *from, void *to);
+void kvm_unshare_hyp(void *from, void *to);
 int create_hyp_mappings(void *from, void *to, enum kvm_pgtable_prot prot);
 int create_hyp_io_mappings(phys_addr_t phys_addr, size_t size,
 			   void __iomem **kaddr,
@@ -120,7 +165,7 @@
 void free_hyp_pgds(void);
 
 void stage2_unmap_vm(struct kvm *kvm);
-int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu);
+int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long type);
 void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu);
 int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,
 			  phys_addr_t pa, unsigned long size, bool writable);
@@ -129,21 +174,33 @@
 
 phys_addr_t kvm_mmu_get_httbr(void);
 phys_addr_t kvm_get_idmap_vector(void);
-int kvm_mmu_init(void);
+int kvm_mmu_init(u32 *hyp_va_bits);
+
+static inline void *__kvm_vector_slot2addr(void *base,
+					   enum arm64_hyp_spectre_vector slot)
+{
+	int idx = slot - (slot != HYP_VECTOR_DIRECT);
+
+	return base + (idx * SZ_2K);
+}
 
 struct kvm;
 
-#define kvm_flush_dcache_to_poc(a,l)	__flush_dcache_area((a), (l))
+#define kvm_flush_dcache_to_poc(a, l)	do {			\
+	unsigned long __a = (unsigned long)(a);			\
+	unsigned long __l = (unsigned long)(l);			\
+								\
+	if (__l)						\
+		dcache_clean_inval_poc(__a, __a + __l);		\
+} while (0)
 
 static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu)
 {
 	return (vcpu_read_sys_reg(vcpu, SCTLR_EL1) & 0b101) == 0b101;
 }
 
-static inline void __clean_dcache_guest_page(kvm_pfn_t pfn, unsigned long size)
+static inline void __clean_dcache_guest_page(void *va, size_t size)
 {
-	void *va = page_address(pfn_to_page(pfn));
-
 	/*
 	 * With FWB, we ensure that the guest always accesses memory using
 	 * cacheable attributes, and we don't have to clean to PoC when
@@ -156,18 +213,14 @@
 	kvm_flush_dcache_to_poc(va, size);
 }
 
-static inline void __invalidate_icache_guest_page(kvm_pfn_t pfn,
-						  unsigned long size)
+static inline void __invalidate_icache_guest_page(void *va, size_t size)
 {
 	if (icache_is_aliasing()) {
 		/* any kind of VIPT cache */
-		__flush_icache_all();
+		icache_inval_all_pou();
 	} else if (is_kernel_in_hyp_mode() || !icache_is_vpipt()) {
 		/* PIPT or VPIPT at EL2 (see comment in __kvm_tlb_flush_vmid_ipa) */
-		void *va = page_address(pfn_to_page(pfn));
-
-		invalidate_icache_range((unsigned long)va,
-					(unsigned long)va + size);
+		icache_inval_pou((unsigned long)va, (unsigned long)va + size);
 	}
 }
 
@@ -208,55 +261,13 @@
 	return ret;
 }
 
-/*
- * EL2 vectors can be mapped and rerouted in a number of ways,
- * depending on the kernel configuration and CPU present:
- *
- * - If the CPU is affected by Spectre-v2, the hardening sequence is
- *   placed in one of the vector slots, which is executed before jumping
- *   to the real vectors.
- *
- * - If the CPU also has the ARM64_HARDEN_EL2_VECTORS cap, the slot
- *   containing the hardening sequence is mapped next to the idmap page,
- *   and executed before jumping to the real vectors.
- *
- * - If the CPU only has the ARM64_HARDEN_EL2_VECTORS cap, then an
- *   empty slot is selected, mapped next to the idmap page, and
- *   executed before jumping to the real vectors.
- *
- * Note that ARM64_HARDEN_EL2_VECTORS is somewhat incompatible with
- * VHE, as we don't have hypervisor-specific mappings. If the system
- * is VHE and yet selects this capability, it will be ignored.
- */
-extern void *__kvm_bp_vect_base;
-extern int __kvm_harden_el2_vector_slot;
-
-static inline void *kvm_get_hyp_vector(void)
-{
-	struct bp_hardening_data *data = arm64_get_bp_hardening_data();
-	void *vect = kern_hyp_va(kvm_ksym_ref(__kvm_hyp_vector));
-	int slot = -1;
-
-	if ((cpus_have_const_cap(ARM64_SPECTRE_V2) ||
-	     cpus_have_const_cap(ARM64_SPECTRE_BHB)) && data->template_start) {
-		vect = kern_hyp_va(kvm_ksym_ref(__bp_harden_hyp_vecs));
-		slot = data->hyp_vectors_slot;
-	}
-
-	if (this_cpu_has_cap(ARM64_HARDEN_EL2_VECTORS) && !has_vhe()) {
-		vect = __kvm_bp_vect_base;
-		if (slot == -1)
-			slot = __kvm_harden_el2_vector_slot;
-	}
-
-	if (slot != -1)
-		vect += slot * SZ_2K;
-
-	return vect;
-}
-
 #define kvm_phys_to_vttbr(addr)		phys_to_ttbr(addr)
 
+/*
+ * When this is (directly or indirectly) used on the TLB invalidation
+ * path, we rely on a previously issued DSB so that page table updates
+ * and VMID reads are correctly ordered.
+ */
 static __always_inline u64 kvm_get_vttbr(struct kvm_s2_mmu *mmu)
 {
 	struct kvm_vmid *vmid = &mmu->vmid;
@@ -264,7 +275,7 @@
 	u64 cnp = system_supports_cnp() ? VTTBR_CNP_BIT : 0;
 
 	baddr = mmu->pgd_phys;
-	vmid_field = (u64)vmid->vmid << VTTBR_VMID_SHIFT;
+	vmid_field = (u64)READ_ONCE(vmid->vmid) << VTTBR_VMID_SHIFT;
 	return kvm_phys_to_vttbr(baddr) | vmid_field | cnp;
 }
 
@@ -272,9 +283,10 @@
  * Must be called from hyp code running at EL2 with an updated VTTBR
  * and interrupts disabled.
  */
-static __always_inline void __load_guest_stage2(struct kvm_s2_mmu *mmu)
+static __always_inline void __load_stage2(struct kvm_s2_mmu *mmu,
+					  struct kvm_arch *arch)
 {
-	write_sysreg(kern_hyp_va(mmu->kvm)->arch.vtcr, vtcr_el2);
+	write_sysreg(arch->vtcr, vtcr_el2);
 	write_sysreg(kvm_get_vttbr(mmu), vttbr_el2);
 
 	/*
@@ -285,5 +297,9 @@
 	asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT));
 }
 
+static inline struct kvm *kvm_s2_mmu_to_kvm(struct kvm_s2_mmu *mmu)
+{
+	return container_of(mmu->arch, struct kvm, arch);
+}
 #endif /* __ASSEMBLY__ */
 #endif /* __ARM64_KVM_MMU_H__ */
diff --git a/arch/arm64/include/asm/kvm_mte.h b/arch/arm64/include/asm/kvm_mte.h
new file mode 100644
index 0000000..de00263
--- /dev/null
+++ b/arch/arm64/include/asm/kvm_mte.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020-2021 ARM Ltd.
+ */
+#ifndef __ASM_KVM_MTE_H
+#define __ASM_KVM_MTE_H
+
+#ifdef __ASSEMBLY__
+
+#include <asm/sysreg.h>
+
+#ifdef CONFIG_ARM64_MTE
+
+.macro mte_switch_to_guest g_ctxt, h_ctxt, reg1
+alternative_if_not ARM64_MTE
+	b	.L__skip_switch\@
+alternative_else_nop_endif
+	mrs	\reg1, hcr_el2
+	tbz	\reg1, #(HCR_ATA_SHIFT), .L__skip_switch\@
+
+	mrs_s	\reg1, SYS_RGSR_EL1
+	str	\reg1, [\h_ctxt, #CPU_RGSR_EL1]
+	mrs_s	\reg1, SYS_GCR_EL1
+	str	\reg1, [\h_ctxt, #CPU_GCR_EL1]
+
+	ldr	\reg1, [\g_ctxt, #CPU_RGSR_EL1]
+	msr_s	SYS_RGSR_EL1, \reg1
+	ldr	\reg1, [\g_ctxt, #CPU_GCR_EL1]
+	msr_s	SYS_GCR_EL1, \reg1
+
+.L__skip_switch\@:
+.endm
+
+.macro mte_switch_to_hyp g_ctxt, h_ctxt, reg1
+alternative_if_not ARM64_MTE
+	b	.L__skip_switch\@
+alternative_else_nop_endif
+	mrs	\reg1, hcr_el2
+	tbz	\reg1, #(HCR_ATA_SHIFT), .L__skip_switch\@
+
+	mrs_s	\reg1, SYS_RGSR_EL1
+	str	\reg1, [\g_ctxt, #CPU_RGSR_EL1]
+	mrs_s	\reg1, SYS_GCR_EL1
+	str	\reg1, [\g_ctxt, #CPU_GCR_EL1]
+
+	ldr	\reg1, [\h_ctxt, #CPU_RGSR_EL1]
+	msr_s	SYS_RGSR_EL1, \reg1
+	ldr	\reg1, [\h_ctxt, #CPU_GCR_EL1]
+	msr_s	SYS_GCR_EL1, \reg1
+
+	isb
+
+.L__skip_switch\@:
+.endm
+
+#else /* !CONFIG_ARM64_MTE */
+
+.macro mte_switch_to_guest g_ctxt, h_ctxt, reg1
+.endm
+
+.macro mte_switch_to_hyp g_ctxt, h_ctxt, reg1
+.endm
+
+#endif /* CONFIG_ARM64_MTE */
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_KVM_MTE_H */
diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h
index 52ab38d..190df60 100644
--- a/arch/arm64/include/asm/kvm_pgtable.h
+++ b/arch/arm64/include/asm/kvm_pgtable.h
@@ -11,22 +11,108 @@
 #include <linux/kvm_host.h>
 #include <linux/types.h>
 
+#define KVM_PGTABLE_MAX_LEVELS		4U
+
+static inline u64 kvm_get_parange(u64 mmfr0)
+{
+	u64 parange = cpuid_feature_extract_unsigned_field(mmfr0,
+				ID_AA64MMFR0_PARANGE_SHIFT);
+	if (parange > ID_AA64MMFR0_PARANGE_MAX)
+		parange = ID_AA64MMFR0_PARANGE_MAX;
+
+	return parange;
+}
+
 typedef u64 kvm_pte_t;
 
-/**
- * struct kvm_pgtable - KVM page-table.
- * @ia_bits:		Maximum input address size, in bits.
- * @start_level:	Level at which the page-table walk starts.
- * @pgd:		Pointer to the first top-level entry of the page-table.
- * @mmu:		Stage-2 KVM MMU struct. Unused for stage-1 page-tables.
- */
-struct kvm_pgtable {
-	u32					ia_bits;
-	u32					start_level;
-	kvm_pte_t				*pgd;
+#define KVM_PTE_VALID			BIT(0)
 
-	/* Stage-2 only */
-	struct kvm_s2_mmu			*mmu;
+#define KVM_PTE_ADDR_MASK		GENMASK(47, PAGE_SHIFT)
+#define KVM_PTE_ADDR_51_48		GENMASK(15, 12)
+
+static inline bool kvm_pte_valid(kvm_pte_t pte)
+{
+	return pte & KVM_PTE_VALID;
+}
+
+static inline u64 kvm_pte_to_phys(kvm_pte_t pte)
+{
+	u64 pa = pte & KVM_PTE_ADDR_MASK;
+
+	if (PAGE_SHIFT == 16)
+		pa |= FIELD_GET(KVM_PTE_ADDR_51_48, pte) << 48;
+
+	return pa;
+}
+
+static inline u64 kvm_granule_shift(u32 level)
+{
+	/* Assumes KVM_PGTABLE_MAX_LEVELS is 4 */
+	return ARM64_HW_PGTABLE_LEVEL_SHIFT(level);
+}
+
+static inline u64 kvm_granule_size(u32 level)
+{
+	return BIT(kvm_granule_shift(level));
+}
+
+static inline bool kvm_level_supports_block_mapping(u32 level)
+{
+	/*
+	 * Reject invalid block mappings and don't bother with 4TB mappings for
+	 * 52-bit PAs.
+	 */
+	return !(level == 0 || (PAGE_SIZE != SZ_4K && level == 1));
+}
+
+/**
+ * struct kvm_pgtable_mm_ops - Memory management callbacks.
+ * @zalloc_page:		Allocate a single zeroed memory page.
+ *				The @arg parameter can be used by the walker
+ *				to pass a memcache. The initial refcount of
+ *				the page is 1.
+ * @zalloc_pages_exact:		Allocate an exact number of zeroed memory pages.
+ *				The @size parameter is in bytes, and is rounded
+ *				up to the next page boundary. The resulting
+ *				allocation is physically contiguous.
+ * @free_pages_exact:		Free an exact number of memory pages previously
+ *				allocated by zalloc_pages_exact.
+ * @get_page:			Increment the refcount on a page.
+ * @put_page:			Decrement the refcount on a page. When the
+ *				refcount reaches 0 the page is automatically
+ *				freed.
+ * @page_count:			Return the refcount of a page.
+ * @phys_to_virt:		Convert a physical address into a virtual
+ *				address	mapped in the current context.
+ * @virt_to_phys:		Convert a virtual address mapped in the current
+ *				context into a physical address.
+ * @dcache_clean_inval_poc:	Clean and invalidate the data cache to the PoC
+ *				for the	specified memory address range.
+ * @icache_inval_pou:		Invalidate the instruction cache to the PoU
+ *				for the specified memory address range.
+ */
+struct kvm_pgtable_mm_ops {
+	void*		(*zalloc_page)(void *arg);
+	void*		(*zalloc_pages_exact)(size_t size);
+	void		(*free_pages_exact)(void *addr, size_t size);
+	void		(*get_page)(void *addr);
+	void		(*put_page)(void *addr);
+	int		(*page_count)(void *addr);
+	void*		(*phys_to_virt)(phys_addr_t phys);
+	phys_addr_t	(*virt_to_phys)(void *addr);
+	void		(*dcache_clean_inval_poc)(void *addr, size_t size);
+	void		(*icache_inval_pou)(void *addr, size_t size);
+};
+
+/**
+ * enum kvm_pgtable_stage2_flags - Stage-2 page-table flags.
+ * @KVM_PGTABLE_S2_NOFWB:	Don't enforce Normal-WB even if the CPUs have
+ *				ARM64_HAS_STAGE2_FWB.
+ * @KVM_PGTABLE_S2_IDMAP:	Only use identity mappings.
+ */
+enum kvm_pgtable_stage2_flags {
+	KVM_PGTABLE_S2_NOFWB			= BIT(0),
+	KVM_PGTABLE_S2_IDMAP			= BIT(1),
 };
 
 /**
@@ -35,6 +121,10 @@
  * @KVM_PGTABLE_PROT_W:		Write permission.
  * @KVM_PGTABLE_PROT_R:		Read permission.
  * @KVM_PGTABLE_PROT_DEVICE:	Device attributes.
+ * @KVM_PGTABLE_PROT_SW0:	Software bit 0.
+ * @KVM_PGTABLE_PROT_SW1:	Software bit 1.
+ * @KVM_PGTABLE_PROT_SW2:	Software bit 2.
+ * @KVM_PGTABLE_PROT_SW3:	Software bit 3.
  */
 enum kvm_pgtable_prot {
 	KVM_PGTABLE_PROT_X			= BIT(0),
@@ -42,13 +132,50 @@
 	KVM_PGTABLE_PROT_R			= BIT(2),
 
 	KVM_PGTABLE_PROT_DEVICE			= BIT(3),
+
+	KVM_PGTABLE_PROT_SW0			= BIT(55),
+	KVM_PGTABLE_PROT_SW1			= BIT(56),
+	KVM_PGTABLE_PROT_SW2			= BIT(57),
+	KVM_PGTABLE_PROT_SW3			= BIT(58),
 };
 
-#define PAGE_HYP		(KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W)
+#define KVM_PGTABLE_PROT_RW	(KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W)
+#define KVM_PGTABLE_PROT_RWX	(KVM_PGTABLE_PROT_RW | KVM_PGTABLE_PROT_X)
+
+#define PKVM_HOST_MEM_PROT	KVM_PGTABLE_PROT_RWX
+#define PKVM_HOST_MMIO_PROT	KVM_PGTABLE_PROT_RW
+
+#define PAGE_HYP		KVM_PGTABLE_PROT_RW
 #define PAGE_HYP_EXEC		(KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_X)
 #define PAGE_HYP_RO		(KVM_PGTABLE_PROT_R)
 #define PAGE_HYP_DEVICE		(PAGE_HYP | KVM_PGTABLE_PROT_DEVICE)
 
+typedef bool (*kvm_pgtable_force_pte_cb_t)(u64 addr, u64 end,
+					   enum kvm_pgtable_prot prot);
+
+/**
+ * struct kvm_pgtable - KVM page-table.
+ * @ia_bits:		Maximum input address size, in bits.
+ * @start_level:	Level at which the page-table walk starts.
+ * @pgd:		Pointer to the first top-level entry of the page-table.
+ * @mm_ops:		Memory management callbacks.
+ * @mmu:		Stage-2 KVM MMU struct. Unused for stage-1 page-tables.
+ * @flags:		Stage-2 page-table flags.
+ * @force_pte_cb:	Function that returns true if page level mappings must
+ *			be used instead of block mappings.
+ */
+struct kvm_pgtable {
+	u32					ia_bits;
+	u32					start_level;
+	kvm_pte_t				*pgd;
+	struct kvm_pgtable_mm_ops		*mm_ops;
+
+	/* Stage-2 only */
+	struct kvm_s2_mmu			*mmu;
+	enum kvm_pgtable_stage2_flags		flags;
+	kvm_pgtable_force_pte_cb_t		force_pte_cb;
+};
+
 /**
  * enum kvm_pgtable_walk_flags - Flags to control a depth-first page-table walk.
  * @KVM_PGTABLE_WALK_LEAF:		Visit leaf entries, including invalid
@@ -86,10 +213,12 @@
  * kvm_pgtable_hyp_init() - Initialise a hypervisor stage-1 page-table.
  * @pgt:	Uninitialised page-table structure to initialise.
  * @va_bits:	Maximum virtual address bits.
+ * @mm_ops:	Memory management callbacks.
  *
  * Return: 0 on success, negative error code on failure.
  */
-int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits);
+int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits,
+			 struct kvm_pgtable_mm_ops *mm_ops);
 
 /**
  * kvm_pgtable_hyp_destroy() - Destroy an unused hypervisor stage-1 page-table.
@@ -123,17 +252,72 @@
 			enum kvm_pgtable_prot prot);
 
 /**
- * kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table.
+ * kvm_pgtable_hyp_unmap() - Remove a mapping from a hypervisor stage-1 page-table.
+ * @pgt:	Page-table structure initialised by kvm_pgtable_hyp_init().
+ * @addr:	Virtual address from which to remove the mapping.
+ * @size:	Size of the mapping.
+ *
+ * The offset of @addr within a page is ignored, @size is rounded-up to
+ * the next page boundary and @phys is rounded-down to the previous page
+ * boundary.
+ *
+ * TLB invalidation is performed for each page-table entry cleared during the
+ * unmapping operation and the reference count for the page-table page
+ * containing the cleared entry is decremented, with unreferenced pages being
+ * freed. The unmapping operation will stop early if it encounters either an
+ * invalid page-table entry or a valid block mapping which maps beyond the range
+ * being unmapped.
+ *
+ * Return: Number of bytes unmapped, which may be 0.
+ */
+u64 kvm_pgtable_hyp_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size);
+
+/**
+ * kvm_get_vtcr() - Helper to construct VTCR_EL2
+ * @mmfr0:	Sanitized value of SYS_ID_AA64MMFR0_EL1 register.
+ * @mmfr1:	Sanitized value of SYS_ID_AA64MMFR1_EL1 register.
+ * @phys_shfit:	Value to set in VTCR_EL2.T0SZ.
+ *
+ * The VTCR value is common across all the physical CPUs on the system.
+ * We use system wide sanitised values to fill in different fields,
+ * except for Hardware Management of Access Flags. HA Flag is set
+ * unconditionally on all CPUs, as it is safe to run with or without
+ * the feature and the bit is RES0 on CPUs that don't support it.
+ *
+ * Return: VTCR_EL2 value
+ */
+u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift);
+
+/*
+ * kvm_pgtable_stage2_pgd_size() - Helper to compute size of a stage-2 PGD
+ * @vtcr:	Content of the VTCR register.
+ *
+ * Return: the size (in bytes) of the stage-2 PGD
+ */
+size_t kvm_pgtable_stage2_pgd_size(u64 vtcr);
+
+/**
+ * __kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table.
  * @pgt:	Uninitialised page-table structure to initialise.
- * @kvm:	KVM structure representing the guest virtual machine.
+ * @mmu:	S2 MMU context for this S2 translation
+ * @mm_ops:	Memory management callbacks.
+ * @flags:	Stage-2 configuration flags.
+ * @force_pte_cb: Function that returns true if page level mappings must
+ *		be used instead of block mappings.
  *
  * Return: 0 on success, negative error code on failure.
  */
-int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm);
+int __kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_s2_mmu *mmu,
+			      struct kvm_pgtable_mm_ops *mm_ops,
+			      enum kvm_pgtable_stage2_flags flags,
+			      kvm_pgtable_force_pte_cb_t force_pte_cb);
+
+#define kvm_pgtable_stage2_init(pgt, mmu, mm_ops) \
+	__kvm_pgtable_stage2_init(pgt, mmu, mm_ops, 0, NULL)
 
 /**
  * kvm_pgtable_stage2_destroy() - Destroy an unused guest stage-2 page-table.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  *
  * The page-table is assumed to be unreachable by any hardware walkers prior
  * to freeing and therefore no TLB invalidation is performed.
@@ -142,13 +326,13 @@
 
 /**
  * kvm_pgtable_stage2_map() - Install a mapping in a guest stage-2 page-table.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address at which to place the mapping.
  * @size:	Size of the mapping.
  * @phys:	Physical address of the memory to map.
  * @prot:	Permissions and attributes for the mapping.
- * @mc:		Cache of pre-allocated GFP_PGTABLE_USER memory from which to
- *		allocate page-table pages.
+ * @mc:		Cache of pre-allocated and zeroed memory from which to allocate
+ *		page-table pages.
  *
  * The offset of @addr within a page is ignored, @size is rounded-up to
  * the next page boundary and @phys is rounded-down to the previous page
@@ -157,6 +341,11 @@
  * If device attributes are not explicitly requested in @prot, then the
  * mapping will be normal, cacheable.
  *
+ * Note that the update of a valid leaf PTE in this function will be aborted,
+ * if it's trying to recreate the exact same mapping or only change the access
+ * permissions. Instead, the vCPU will exit one more time from guest if still
+ * needed and then go through the path of relaxing permissions.
+ *
  * Note that this function will both coalesce existing table entries and split
  * existing block mappings, relying on page-faults to fault back areas outside
  * of the new mapping lazily.
@@ -165,11 +354,33 @@
  */
 int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
 			   u64 phys, enum kvm_pgtable_prot prot,
-			   struct kvm_mmu_memory_cache *mc);
+			   void *mc);
+
+/**
+ * kvm_pgtable_stage2_annotate() - Unmap and annotate pages in the IPA space
+ *				   to track ownership (and more).
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
+ * @addr:	Base intermediate physical address to annotate.
+ * @size:	Size of the annotated range.
+ * @mc:		Cache of pre-allocated and zeroed memory from which to allocate
+ *		page-table pages.
+ * @annotation:	A 63 bit value that will be stored in the page tables.
+ *		@annotation[0] must be 0, and @annotation[63:1] is stored
+ *		in the page tables.
+ *
+ * By default, all page-tables are owned by identifier 0. This function can be
+ * used to mark portions of the IPA space as owned by other entities. When a
+ * stage 2 is used with identity-mappings, these annotations allow to use the
+ * page-table data structure as a simple rmap.
+ *
+ * Return: 0 on success, negative error code on failure.
+ */
+int kvm_pgtable_stage2_annotate(struct kvm_pgtable *pgt, u64 addr, u64 size,
+				void *mc, kvm_pte_t annotation);
 
 /**
  * kvm_pgtable_stage2_unmap() - Remove a mapping from a guest stage-2 page-table.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address from which to remove the mapping.
  * @size:	Size of the mapping.
  *
@@ -189,7 +400,7 @@
 /**
  * kvm_pgtable_stage2_wrprotect() - Write-protect guest stage-2 address range
  *                                  without TLB invalidation.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address from which to write-protect,
  * @size:	Size of the range.
  *
@@ -206,7 +417,7 @@
 
 /**
  * kvm_pgtable_stage2_mkyoung() - Set the access flag in a page-table entry.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address to identify the page-table entry.
  *
  * The offset of @addr within a page is ignored.
@@ -220,7 +431,7 @@
 
 /**
  * kvm_pgtable_stage2_mkold() - Clear the access flag in a page-table entry.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address to identify the page-table entry.
  *
  * The offset of @addr within a page is ignored.
@@ -239,7 +450,7 @@
 /**
  * kvm_pgtable_stage2_relax_perms() - Relax the permissions enforced by a
  *				      page-table entry.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address to identify the page-table entry.
  * @prot:	Additional permissions to grant for the mapping.
  *
@@ -248,7 +459,8 @@
  * If there is a valid, leaf page-table entry used to translate @addr, then
  * relax the permissions in that entry according to the read, write and
  * execute permissions specified by @prot. No permissions are removed, and
- * TLB invalidation is performed after updating the entry.
+ * TLB invalidation is performed after updating the entry. Software bits cannot
+ * be set or cleared using kvm_pgtable_stage2_relax_perms().
  *
  * Return: 0 on success, negative error code on failure.
  */
@@ -258,7 +470,7 @@
 /**
  * kvm_pgtable_stage2_is_young() - Test whether a page-table entry has the
  *				   access flag set.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address to identify the page-table entry.
  *
  * The offset of @addr within a page is ignored.
@@ -271,7 +483,7 @@
  * kvm_pgtable_stage2_flush_range() - Clean and invalidate data cache to Point
  * 				      of Coherency for guest stage-2 address
  *				      range.
- * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt:	Page-table structure initialised by kvm_pgtable_stage2_init*().
  * @addr:	Intermediate physical address from which to flush.
  * @size:	Size of the range.
  *
@@ -306,4 +518,43 @@
 int kvm_pgtable_walk(struct kvm_pgtable *pgt, u64 addr, u64 size,
 		     struct kvm_pgtable_walker *walker);
 
+/**
+ * kvm_pgtable_get_leaf() - Walk a page-table and retrieve the leaf entry
+ *			    with its level.
+ * @pgt:	Page-table structure initialised by kvm_pgtable_*_init()
+ *		or a similar initialiser.
+ * @addr:	Input address for the start of the walk.
+ * @ptep:	Pointer to storage for the retrieved PTE.
+ * @level:	Pointer to storage for the level of the retrieved PTE.
+ *
+ * The offset of @addr within a page is ignored.
+ *
+ * The walker will walk the page-table entries corresponding to the input
+ * address specified, retrieving the leaf corresponding to this address.
+ * Invalid entries are treated as leaf entries.
+ *
+ * Return: 0 on success, negative error code on failure.
+ */
+int kvm_pgtable_get_leaf(struct kvm_pgtable *pgt, u64 addr,
+			 kvm_pte_t *ptep, u32 *level);
+
+/**
+ * kvm_pgtable_stage2_pte_prot() - Retrieve the protection attributes of a
+ *				   stage-2 Page-Table Entry.
+ * @pte:	Page-table entry
+ *
+ * Return: protection attributes of the page-table entry in the enum
+ *	   kvm_pgtable_prot format.
+ */
+enum kvm_pgtable_prot kvm_pgtable_stage2_pte_prot(kvm_pte_t pte);
+
+/**
+ * kvm_pgtable_hyp_pte_prot() - Retrieve the protection attributes of a stage-1
+ *				Page-Table Entry.
+ * @pte:	Page-table entry
+ *
+ * Return: protection attributes of the page-table entry in the enum
+ *	   kvm_pgtable_prot format.
+ */
+enum kvm_pgtable_prot kvm_pgtable_hyp_pte_prot(kvm_pte_t pte);
 #endif	/* __ARM64_KVM_PGTABLE_H__ */
diff --git a/arch/arm64/include/asm/kvm_pkvm.h b/arch/arm64/include/asm/kvm_pkvm.h
new file mode 100644
index 0000000..766811f
--- /dev/null
+++ b/arch/arm64/include/asm/kvm_pkvm.h
@@ -0,0 +1,364 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ * Author: Fuad Tabba <tabba@google.com>
+ */
+#ifndef __ARM64_KVM_PKVM_H__
+#define __ARM64_KVM_PKVM_H__
+
+#include <linux/arm_ffa.h>
+#include <linux/memblock.h>
+#include <linux/scatterlist.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/sysreg.h>
+
+/* Maximum number of protected VMs that can be created. */
+#define KVM_MAX_PVMS 255
+
+#define HYP_MEMBLOCK_REGIONS 128
+#define PVMFW_INVALID_LOAD_ADDR	(-1)
+
+int kvm_arm_vm_ioctl_pkvm(struct kvm *kvm, struct kvm_enable_cap *cap);
+int kvm_init_pvm(struct kvm *kvm, unsigned long type);
+int create_el2_shadow(struct kvm *kvm);
+void kvm_shadow_destroy(struct kvm *kvm);
+
+/*
+ * Definitions for features to be allowed or restricted for guest virtual
+ * machines, depending on the mode KVM is running in and on the type of guest
+ * that is running.
+ *
+ * The ALLOW masks represent a bitmask of feature fields that are allowed
+ * without any restrictions as long as they are supported by the system.
+ *
+ * The RESTRICT_UNSIGNED masks, if present, represent unsigned fields for
+ * features that are restricted to support at most the specified feature.
+ *
+ * If a feature field is not present in either, than it is not supported.
+ *
+ * The approach taken for protected VMs is to allow features that are:
+ * - Needed by common Linux distributions (e.g., floating point)
+ * - Trivial to support, e.g., supporting the feature does not introduce or
+ * require tracking of additional state in KVM
+ * - Cannot be trapped or prevent the guest from using anyway
+ */
+
+/*
+ * Allow for protected VMs:
+ * - Floating-point and Advanced SIMD
+ * - Data Independent Timing
+ */
+#define PVM_ID_AA64PFR0_ALLOW (\
+	ARM64_FEATURE_MASK(ID_AA64PFR0_FP) | \
+	ARM64_FEATURE_MASK(ID_AA64PFR0_ASIMD) | \
+	ARM64_FEATURE_MASK(ID_AA64PFR0_DIT) \
+	)
+
+/*
+ * Restrict to the following *unsigned* features for protected VMs:
+ * - AArch64 guests only (no support for AArch32 guests):
+ *	AArch32 adds complexity in trap handling, emulation, condition codes,
+ *	etc...
+ * - RAS (v1)
+ *	Supported by KVM
+ */
+#define PVM_ID_AA64PFR0_RESTRICT_UNSIGNED (\
+	FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL0), ID_AA64PFR0_ELx_64BIT_ONLY) | \
+	FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1), ID_AA64PFR0_ELx_64BIT_ONLY) | \
+	FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL2), ID_AA64PFR0_ELx_64BIT_ONLY) | \
+	FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_EL3), ID_AA64PFR0_ELx_64BIT_ONLY) | \
+	FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_RAS), ID_AA64PFR0_RAS_V1) \
+	)
+
+/*
+ * Allow for protected VMs:
+ * - Branch Target Identification
+ * - Speculative Store Bypassing
+ */
+#define PVM_ID_AA64PFR1_ALLOW (\
+	ARM64_FEATURE_MASK(ID_AA64PFR1_BT) | \
+	ARM64_FEATURE_MASK(ID_AA64PFR1_SSBS) \
+	)
+
+/*
+ * Allow for protected VMs:
+ * - Mixed-endian
+ * - Distinction between Secure and Non-secure Memory
+ * - Mixed-endian at EL0 only
+ * - Non-context synchronizing exception entry and exit
+ */
+#define PVM_ID_AA64MMFR0_ALLOW (\
+	ARM64_FEATURE_MASK(ID_AA64MMFR0_BIGENDEL) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR0_SNSMEM) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR0_BIGENDEL0) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR0_EXS) \
+	)
+
+/*
+ * Restrict to the following *unsigned* features for protected VMs:
+ * - 40-bit IPA
+ * - 16-bit ASID
+ */
+#define PVM_ID_AA64MMFR0_RESTRICT_UNSIGNED (\
+	FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64MMFR0_PARANGE), ID_AA64MMFR0_PARANGE_40) | \
+	FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64MMFR0_ASID), ID_AA64MMFR0_ASID_16) \
+	)
+
+/*
+ * Allow for protected VMs:
+ * - Hardware translation table updates to Access flag and Dirty state
+ * - Number of VMID bits from CPU
+ * - Hierarchical Permission Disables
+ * - Privileged Access Never
+ * - SError interrupt exceptions from speculative reads
+ * - Enhanced Translation Synchronization
+ */
+#define PVM_ID_AA64MMFR1_ALLOW (\
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_HADBS) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_VMIDBITS) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_HPD) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_PAN) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_SPECSEI) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_ETS) \
+	)
+
+/*
+ * Allow for protected VMs:
+ * - Common not Private translations
+ * - User Access Override
+ * - IESB bit in the SCTLR_ELx registers
+ * - Unaligned single-copy atomicity and atomic functions
+ * - ESR_ELx.EC value on an exception by read access to feature ID space
+ * - TTL field in address operations.
+ * - Break-before-make sequences when changing translation block size
+ * - E0PDx mechanism
+ */
+#define PVM_ID_AA64MMFR2_ALLOW (\
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_CNP) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_UAO) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_IESB) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_AT) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_IDS) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_TTL) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_BBM) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR2_E0PD) \
+	)
+
+/*
+ * No support for Scalable Vectors for protected VMs:
+ *	Requires additional support from KVM, e.g., context-switching and
+ *	trapping at EL2
+ */
+#define PVM_ID_AA64ZFR0_ALLOW (0ULL)
+
+/*
+ * No support for debug, including breakpoints, and watchpoints for protected
+ * VMs:
+ *	The Arm architecture mandates support for at least the Armv8 debug
+ *	architecture, which would include at least 2 hardware breakpoints and
+ *	watchpoints. Providing that support to protected guests adds
+ *	considerable state and complexity. Therefore, the reserved value of 0 is
+ *	used for debug-related fields.
+ */
+#define PVM_ID_AA64DFR0_ALLOW (0ULL)
+#define PVM_ID_AA64DFR1_ALLOW (0ULL)
+
+/*
+ * No support for implementation defined features.
+ */
+#define PVM_ID_AA64AFR0_ALLOW (0ULL)
+#define PVM_ID_AA64AFR1_ALLOW (0ULL)
+
+/*
+ * No restrictions on instructions implemented in AArch64.
+ */
+#define PVM_ID_AA64ISAR0_ALLOW (\
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_AES) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_SHA1) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_SHA2) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_CRC32) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_ATOMICS) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_RDM) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_SHA3) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_SM3) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_SM4) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_DP) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_FHM) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_TS) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_TLB) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR0_RNDR) \
+	)
+
+#define PVM_ID_AA64ISAR1_ALLOW (\
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_DPB) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_APA) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_API) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_JSCVT) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_FCMA) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_LRCPC) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_GPA) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_GPI) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_FRINTTS) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_SB) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_SPECRES) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_BF16) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_DGH) | \
+	ARM64_FEATURE_MASK(ID_AA64ISAR1_I8MM) \
+	)
+
+/*
+ * Returns the maximum number of breakpoints supported for protected VMs.
+ */
+static inline int pkvm_get_max_brps(void)
+{
+	int num = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_BRPS),
+			    PVM_ID_AA64DFR0_ALLOW);
+
+	/*
+	 * If breakpoints are supported, the maximum number is 1 + the field.
+	 * Otherwise, return 0, which is not compliant with the architecture,
+	 * but is reserved and is used here to indicate no debug support.
+	 */
+	return num ? num + 1 : 0;
+}
+
+/*
+ * Returns the maximum number of watchpoints supported for protected VMs.
+ */
+static inline int pkvm_get_max_wrps(void)
+{
+	int num = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_WRPS),
+			    PVM_ID_AA64DFR0_ALLOW);
+
+	return num ? num + 1 : 0;
+}
+
+extern struct memblock_region kvm_nvhe_sym(hyp_memory)[];
+extern unsigned int kvm_nvhe_sym(hyp_memblock_nr);
+
+extern phys_addr_t kvm_nvhe_sym(pvmfw_base);
+extern phys_addr_t kvm_nvhe_sym(pvmfw_size);
+
+static inline unsigned long
+hyp_vmemmap_memblock_size(struct memblock_region *reg, size_t vmemmap_entry_size)
+{
+	unsigned long nr_pages = reg->size >> PAGE_SHIFT;
+	unsigned long start, end;
+
+	start = (reg->base >> PAGE_SHIFT) * vmemmap_entry_size;
+	end = start + nr_pages * vmemmap_entry_size;
+	start = ALIGN_DOWN(start, PAGE_SIZE);
+	end = ALIGN(end, PAGE_SIZE);
+
+	return end - start;
+}
+
+static inline unsigned long hyp_vmemmap_pages(size_t vmemmap_entry_size)
+{
+	unsigned long res = 0, i;
+
+	for (i = 0; i < kvm_nvhe_sym(hyp_memblock_nr); i++) {
+		res += hyp_vmemmap_memblock_size(&kvm_nvhe_sym(hyp_memory)[i],
+						 vmemmap_entry_size);
+	}
+
+	return res >> PAGE_SHIFT;
+}
+
+static inline unsigned long hyp_shadow_table_pages(size_t shadow_entry_size)
+{
+	return PAGE_ALIGN(KVM_MAX_PVMS * shadow_entry_size) >> PAGE_SHIFT;
+}
+
+static inline unsigned long __hyp_pgtable_max_pages(unsigned long nr_pages)
+{
+	unsigned long total = 0, i;
+
+	/* Provision the worst case scenario */
+	for (i = 0; i < KVM_PGTABLE_MAX_LEVELS; i++) {
+		nr_pages = DIV_ROUND_UP(nr_pages, PTRS_PER_PTE);
+		total += nr_pages;
+	}
+
+	return total;
+}
+
+static inline unsigned long __hyp_pgtable_total_pages(void)
+{
+	unsigned long res = 0, i;
+
+	/* Cover all of memory with page-granularity */
+	for (i = 0; i < kvm_nvhe_sym(hyp_memblock_nr); i++) {
+		struct memblock_region *reg = &kvm_nvhe_sym(hyp_memory)[i];
+		res += __hyp_pgtable_max_pages(reg->size >> PAGE_SHIFT);
+	}
+
+	return res;
+}
+
+static inline unsigned long hyp_s1_pgtable_pages(void)
+{
+	unsigned long res;
+
+	res = __hyp_pgtable_total_pages();
+
+	/* Allow 1 GiB for private mappings */
+	res += __hyp_pgtable_max_pages(SZ_1G >> PAGE_SHIFT);
+
+	return res;
+}
+
+static inline unsigned long host_s2_pgtable_pages(void)
+{
+	unsigned long res;
+
+	/*
+	 * Include an extra 16 pages to safely upper-bound the worst case of
+	 * concatenated pgds.
+	 */
+	res = __hyp_pgtable_total_pages() + 16;
+
+	/* Allow 1 GiB for MMIO mappings */
+	res += __hyp_pgtable_max_pages(SZ_1G >> PAGE_SHIFT);
+
+	return res;
+}
+
+#define KVM_FFA_MBOX_NR_PAGES	1
+
+/*
+ * Maximum number of consitutents allowed in a descriptor. This number is
+ * arbitrary, see comment below on SG_MAX_SEGMENTS in hyp_ffa_proxy_pages().
+ */
+#define KVM_FFA_MAX_NR_CONSTITUENTS	4096
+
+static inline unsigned long hyp_ffa_proxy_pages(void)
+{
+	size_t desc_max;
+
+	/*
+	 * SG_MAX_SEGMENTS is supposed to bound the number of elements in an
+	 * sglist, which should match the number of consituents in the
+	 * corresponding FFA descriptor. As such, the EL2 buffer needs to be
+	 * large enough to hold a descriptor with SG_MAX_SEGMENTS consituents
+	 * at least. But the kernel's DMA code doesn't enforce the limit, and
+	 * it is sometimes abused, so let's allow larger descriptors and hope
+	 * for the best.
+	 */
+	BUILD_BUG_ON(KVM_FFA_MAX_NR_CONSTITUENTS < SG_MAX_SEGMENTS);
+
+	/*
+	 * The hypervisor FFA proxy needs enough memory to buffer a fragmented
+	 * descriptor returned from EL3 in response to a RETRIEVE_REQ call.
+	 */
+	desc_max = sizeof(struct ffa_mem_region) +
+		   sizeof(struct ffa_mem_region_attributes) +
+		   sizeof(struct ffa_composite_mem_region) +
+		   KVM_FFA_MAX_NR_CONSTITUENTS * sizeof(struct ffa_mem_region_addr_range);
+
+	/* Plus a page each for the hypervisor's RX and TX mailboxes. */
+	return (2 * KVM_FFA_MBOX_NR_PAGES) + DIV_ROUND_UP(desc_max, PAGE_SIZE);
+}
+
+#endif	/* __ARM64_KVM_PKVM_H__ */
diff --git a/arch/arm64/include/asm/kvm_s2mpu.h b/arch/arm64/include/asm/kvm_s2mpu.h
new file mode 100644
index 0000000..b1075ab
--- /dev/null
+++ b/arch/arm64/include/asm/kvm_s2mpu.h
@@ -0,0 +1,357 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2021 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#ifndef __ARM64_KVM_S2MPU_H__
+#define __ARM64_KVM_S2MPU_H__
+
+#include <linux/bitfield.h>
+
+#include <asm/kvm_mmu.h>
+
+#define S2MPU_MMIO_SIZE				SZ_64K
+#define SYSMMU_SYNC_MMIO_SIZE			SZ_64K
+#define SYSMMU_SYNC_S2_OFFSET			SZ_32K
+#define SYSMMU_SYNC_S2_MMIO_SIZE		(SYSMMU_SYNC_MMIO_SIZE - \
+						 SYSMMU_SYNC_S2_OFFSET)
+
+#define NR_VIDS					8
+#define NR_CTX_IDS				8
+
+#define ALL_VIDS_BITMAP				GENMASK(NR_VIDS - 1, 0)
+
+#define REG_NS_CTRL0				0x0
+#define REG_NS_CTRL1				0x4
+#define REG_NS_CFG				0x10
+#define REG_NS_INTERRUPT_ENABLE_PER_VID_SET	0x20
+#define REG_NS_INTERRUPT_CLEAR			0x2c
+#define REG_NS_VERSION				0x60
+#define REG_NS_INFO				0x64
+#define REG_NS_STATUS				0x68
+#define REG_NS_NUM_CONTEXT			0x100
+#define REG_NS_CONTEXT_CFG_VALID_VID		0x104
+#define REG_NS_ALL_INVALIDATION			0x1000
+#define REG_NS_RANGE_INVALIDATION		0x1020
+#define REG_NS_RANGE_INVALIDATION_START_PPN	0x1024
+#define REG_NS_RANGE_INVALIDATION_END_PPN	0x1028
+#define REG_NS_FAULT_STATUS			0x2000
+#define REG_NS_FAULT_PA_LOW(vid)		(0x2004 + ((vid) * 0x20))
+#define REG_NS_FAULT_PA_HIGH(vid)		(0x2008 + ((vid) * 0x20))
+#define REG_NS_FAULT_INFO(vid)			(0x2010 + ((vid) * 0x20))
+#define REG_NS_READ_MPTC			0x3000
+#define REG_NS_READ_MPTC_TAG_PPN		0x3004
+#define REG_NS_READ_MPTC_TAG_OTHERS		0x3008
+#define REG_NS_READ_MPTC_DATA			0x3010
+#define REG_NS_L1ENTRY_L2TABLE_ADDR(vid, gb)	(0x4000 + ((vid) * 0x200) + ((gb) * 0x8))
+#define REG_NS_L1ENTRY_ATTR(vid, gb)		(0x4004 + ((vid) * 0x200) + ((gb) * 0x8))
+
+#define CTRL0_ENABLE				BIT(0)
+#define CTRL0_INTERRUPT_ENABLE			BIT(1)
+#define CTRL0_FAULT_RESP_TYPE_SLVERR		BIT(2) /* for v8 */
+#define CTRL0_FAULT_RESP_TYPE_DECERR		BIT(2) /* for v9 */
+#define CTRL0_MASK				(CTRL0_ENABLE | \
+						 CTRL0_INTERRUPT_ENABLE | \
+						 CTRL0_FAULT_RESP_TYPE_SLVERR | \
+						 CTRL0_FAULT_RESP_TYPE_DECERR)
+
+#define CTRL1_DISABLE_CHK_S1L1PTW		BIT(0)
+#define CTRL1_DISABLE_CHK_S1L2PTW		BIT(1)
+#define CTRL1_ENABLE_PAGE_SIZE_AWARENESS	BIT(2)
+#define CTRL1_DISABLE_CHK_USER_MATCHED_REQ	BIT(3)
+#define CTRL1_MASK				(CTRL1_DISABLE_CHK_S1L1PTW | \
+						 CTRL1_DISABLE_CHK_S1L2PTW | \
+						 CTRL1_ENABLE_PAGE_SIZE_AWARENESS | \
+						 CTRL1_DISABLE_CHK_USER_MATCHED_REQ)
+
+#define CFG_MPTW_CACHE_OVERRIDE			BIT(0)
+#define CFG_MPTW_CACHE_VALUE			GENMASK(7, 4)
+#define CFG_MPTW_QOS_OVERRIDE			BIT(8)
+#define CFG_MPTW_QOS_VALUE			GENMASK(15, 12)
+#define CFG_MPTW_SHAREABLE			BIT(16)
+#define CFG_MASK				(CFG_MPTW_CACHE_OVERRIDE | \
+						 CFG_MPTW_CACHE_VALUE | \
+						 CFG_MPTW_QOS_OVERRIDE | \
+						 CFG_MPTW_QOS_VALUE | \
+						 CFG_MPTW_SHAREABLE)
+
+/* For use with hi_lo_readq_relaxed(). */
+#define REG_NS_FAULT_PA_HIGH_LOW(vid)		REG_NS_FAULT_PA_LOW(vid)
+
+/* Mask used for extracting VID from FAULT_* register offset. */
+#define REG_NS_FAULT_VID_MASK			GENMASK(7, 5)
+
+#define VERSION_MAJOR_ARCH_VER_MASK		GENMASK(31, 28)
+#define VERSION_MINOR_ARCH_VER_MASK		GENMASK(27, 24)
+#define VERSION_REV_ARCH_VER_MASK		GENMASK(23, 16)
+#define VERSION_RTL_VER_MASK			GENMASK(7, 0)
+
+/* Ignore RTL version in driver version check. */
+#define VERSION_CHECK_MASK			(VERSION_MAJOR_ARCH_VER_MASK | \
+						 VERSION_MINOR_ARCH_VER_MASK | \
+						 VERSION_REV_ARCH_VER_MASK)
+
+#define INFO_NUM_SET_MASK			GENMASK(15, 0)
+
+#define STATUS_BUSY				BIT(0)
+#define STATUS_ON_INVALIDATING			BIT(1)
+
+#define NUM_CONTEXT_MASK			GENMASK(3, 0)
+
+#define CONTEXT_CFG_VALID_VID_CTX_VALID(ctx)	BIT((4 * (ctx)) + 3)
+#define CONTEXT_CFG_VALID_VID_CTX_VID(ctx, vid)	\
+		FIELD_PREP(GENMASK((4 * (ctx) + 2), 4 * (ctx)), (vid))
+
+#define INVALIDATION_INVALIDATE			BIT(0)
+#define RANGE_INVALIDATION_PPN_SHIFT		12
+
+#define NR_FAULT_INFO_REGS			8
+#define FAULT_INFO_VID_MASK			GENMASK(26, 24)
+#define FAULT_INFO_TYPE_MASK			GENMASK(23, 21)
+#define FAULT_INFO_TYPE_CONTEXT			0x4 /* v9 only */
+#define FAULT_INFO_TYPE_AP			0x2
+#define FAULT_INFO_TYPE_MPTW			0x1
+#define FAULT_INFO_RW_BIT			BIT(20)
+#define FAULT_INFO_LEN_MASK			GENMASK(19, 16)
+#define FAULT_INFO_ID_MASK			GENMASK(15, 0)
+
+#define L1ENTRY_L2TABLE_ADDR_SHIFT		4
+#define L1ENTRY_L2TABLE_ADDR(pa)		((pa) >> L1ENTRY_L2TABLE_ADDR_SHIFT)
+
+#define READ_MPTC_WAY_MASK			GENMASK(18, 16)
+#define READ_MPTC_SET_MASK			GENMASK(15, 0)
+#define READ_MPTC_MASK				(READ_MPTC_WAY_MASK | READ_MPTC_SET_MASK)
+#define READ_MPTC_WAY(way)			FIELD_PREP(READ_MPTC_WAY_MASK, (way))
+#define READ_MPTC_SET(set)			FIELD_PREP(READ_MPTC_SET_MASK, (set))
+#define READ_MPTC(set, way)			(READ_MPTC_SET(set) | READ_MPTC_WAY(way))
+#define READ_MPTC_TAG_PPN_MASK			GENMASK(23, 0)
+#define READ_MPTC_TAG_OTHERS_VID_MASK		GENMASK(10, 8)
+#define READ_MPTC_TAG_OTHERS_GRAN_MASK		GENMASK(5, 4)
+#define READ_MPTC_TAG_OTHERS_VALID_BIT		BIT(0)
+#define READ_MPTC_TAG_OTHERS_MASK		(READ_MPTC_TAG_OTHERS_VID_MASK | \
+						 READ_MPTC_TAG_OTHERS_GRAN_MASK | \
+						 READ_MPTC_TAG_OTHERS_VALID_BIT)
+
+#define L1ENTRY_ATTR_L2TABLE_EN			BIT(0)
+#define L1ENTRY_ATTR_GRAN_4K			0x0
+#define L1ENTRY_ATTR_GRAN_64K			0x1
+#define L1ENTRY_ATTR_GRAN_2M			0x2
+#define L1ENTRY_ATTR_PROT_MASK			GENMASK(2, 1)
+#define L1ENTRY_ATTR_GRAN_MASK			GENMASK(5, 4)
+#define L1ENTRY_ATTR_PROT(prot)			FIELD_PREP(L1ENTRY_ATTR_PROT_MASK, prot)
+#define L1ENTRY_ATTR_GRAN(gran)			FIELD_PREP(L1ENTRY_ATTR_GRAN_MASK, gran)
+#define L1ENTRY_ATTR_1G(prot)			L1ENTRY_ATTR_PROT(prot)
+#define L1ENTRY_ATTR_L2(gran)			(L1ENTRY_ATTR_GRAN(gran) | \
+						 L1ENTRY_ATTR_L2TABLE_EN)
+
+#define NR_GIGABYTES				64
+#define RO_GIGABYTES_FIRST			4
+#define RO_GIGABYTES_LAST			33
+#define NR_RO_GIGABYTES				(RO_GIGABYTES_LAST - RO_GIGABYTES_FIRST + 1)
+#define NR_RW_GIGABYTES				(NR_GIGABYTES - NR_RO_GIGABYTES)
+
+#ifdef CONFIG_ARM64_64K_PAGES
+#define SMPT_GRAN				SZ_64K
+#define SMPT_GRAN_ATTR				L1ENTRY_ATTR_GRAN_64K
+#else
+#define SMPT_GRAN				SZ_4K
+#define SMPT_GRAN_ATTR				L1ENTRY_ATTR_GRAN_4K
+#endif
+static_assert(SMPT_GRAN <= PAGE_SIZE);
+
+#define MPT_PROT_BITS				2
+#define SMPT_WORD_SIZE				sizeof(u32)
+#define SMPT_ELEMS_PER_BYTE			(BITS_PER_BYTE / MPT_PROT_BITS)
+#define SMPT_ELEMS_PER_WORD			(SMPT_WORD_SIZE * SMPT_ELEMS_PER_BYTE)
+#define SMPT_WORD_BYTE_RANGE			(SMPT_GRAN * SMPT_ELEMS_PER_WORD)
+#define SMPT_NUM_ELEMS				(SZ_1G / SMPT_GRAN)
+#define SMPT_SIZE				(SMPT_NUM_ELEMS / SMPT_ELEMS_PER_BYTE)
+#define SMPT_NUM_WORDS				(SMPT_SIZE / SMPT_WORD_SIZE)
+#define SMPT_NUM_PAGES				(SMPT_SIZE / PAGE_SIZE)
+#define SMPT_ORDER				get_order(SMPT_SIZE)
+
+/* SysMMU_SYNC registers, relative to SYSMMU_SYNC_S2_OFFSET. */
+#define REG_NS_SYNC_CMD				0x0
+#define REG_NS_SYNC_COMP			0x4
+
+#define SYNC_CMD_SYNC				BIT(0)
+#define SYNC_COMP_COMPLETE			BIT(0)
+
+/*
+ * Iterate over S2MPU gigabyte regions. Skip those that cannot be modified
+ * (the MMIO registers are read only, with reset value MPT_PROT_NONE).
+ */
+#define for_each_gb_in_range(i, first, last) \
+	for ((i) = (first); (i) <= (last) && (i) < NR_GIGABYTES; \
+	     (i) = (((i) + 1 == RO_GIGABYTES_FIRST) ? RO_GIGABYTES_LAST : (i)) + 1)
+
+#define for_each_gb(i)			for_each_gb_in_range(i, 0, NR_GIGABYTES - 1)
+#define for_each_vid(i)			for ((i) = 0; (i) < NR_VIDS; (i)++)
+#define for_each_gb_and_vid(gb, vid)	for_each_vid((vid)) for_each_gb((gb))
+
+enum s2mpu_version {
+	S2MPU_VERSION_8 = 0x11000000,
+	S2MPU_VERSION_9 = 0x20000000,
+};
+
+enum mpt_prot {
+	MPT_PROT_NONE	= 0,
+	MPT_PROT_R	= BIT(0),
+	MPT_PROT_W	= BIT(1),
+	MPT_PROT_RW	= MPT_PROT_R | MPT_PROT_W,
+	MPT_PROT_MASK	= MPT_PROT_RW,
+};
+
+static const u64 mpt_prot_doubleword[] = {
+	[MPT_PROT_NONE] = 0x0000000000000000,
+	[MPT_PROT_R]    = 0x5555555555555555,
+	[MPT_PROT_W]	= 0xaaaaaaaaaaaaaaaa,
+	[MPT_PROT_RW]   = 0xffffffffffffffff,
+};
+
+enum mpt_update_flags {
+	MPT_UPDATE_L1 = BIT(0),
+	MPT_UPDATE_L2 = BIT(1),
+};
+
+struct fmpt {
+	u32 *smpt;
+	bool gran_1g;
+	enum mpt_prot prot;
+	enum mpt_update_flags flags;
+};
+
+struct mpt {
+	struct fmpt fmpt[NR_GIGABYTES];
+};
+
+/* Set protection bits of SMPT in a given range without using memset. */
+static inline void __set_smpt_range_slow(u32 *smpt, size_t start_gb_byte,
+					 size_t end_gb_byte, enum mpt_prot prot)
+{
+	size_t i, start_word_byte, end_word_byte, word_idx, first_elem, last_elem;
+	u32 val;
+
+	/* Iterate over u32 words. */
+	start_word_byte = start_gb_byte;
+	while (start_word_byte < end_gb_byte) {
+		/* Determine the range of bytes covered by this word. */
+		word_idx = start_word_byte / SMPT_WORD_BYTE_RANGE;
+		end_word_byte = min(
+			ALIGN(start_word_byte + 1, SMPT_WORD_BYTE_RANGE),
+			end_gb_byte);
+
+		/* Identify protection bit offsets within the word. */
+		first_elem = (start_word_byte / SMPT_GRAN) % SMPT_ELEMS_PER_WORD;
+		last_elem = ((end_word_byte - 1) / SMPT_GRAN) % SMPT_ELEMS_PER_WORD;
+
+		/* Modify the corresponding word. */
+		val = READ_ONCE(smpt[word_idx]);
+		for (i = first_elem; i <= last_elem; i++) {
+			val &= ~(MPT_PROT_MASK << (i * MPT_PROT_BITS));
+			val |= prot << (i * MPT_PROT_BITS);
+		}
+		WRITE_ONCE(smpt[word_idx], val);
+
+		start_word_byte = end_word_byte;
+	}
+}
+
+/* Set protection bits of SMPT in a given range. */
+static inline void __set_smpt_range(u32 *smpt, size_t start_gb_byte,
+				    size_t end_gb_byte, enum mpt_prot prot)
+{
+	size_t interlude_start, interlude_end, interlude_bytes, word_idx;
+	char prot_byte = (char)mpt_prot_doubleword[prot];
+
+	if (start_gb_byte >= end_gb_byte)
+		return;
+
+	/* Check if range spans at least one full u32 word. */
+	interlude_start = ALIGN(start_gb_byte, SMPT_WORD_BYTE_RANGE);
+	interlude_end = ALIGN_DOWN(end_gb_byte, SMPT_WORD_BYTE_RANGE);
+
+	/* If not, fall back to editing bits in the given range. */
+	if (interlude_start >= interlude_end) {
+		__set_smpt_range_slow(smpt, start_gb_byte, end_gb_byte, prot);
+		return;
+	}
+
+	/* Use bit-editing for prologue/epilogue, memset for interlude. */
+	word_idx = interlude_start / SMPT_WORD_BYTE_RANGE;
+	interlude_bytes = (interlude_end - interlude_start) / SMPT_GRAN / SMPT_ELEMS_PER_BYTE;
+
+	__set_smpt_range_slow(smpt, start_gb_byte, interlude_start, prot);
+	memset(&smpt[word_idx], prot_byte, interlude_bytes);
+	__set_smpt_range_slow(smpt, interlude_end, end_gb_byte, prot);
+}
+
+/* Returns true if all SMPT protection bits match 'prot'. */
+static inline bool __is_smpt_uniform(u32 *smpt, enum mpt_prot prot)
+{
+	size_t i;
+	u64 *doublewords = (u64 *)smpt;
+
+	for (i = 0; i < SMPT_NUM_WORDS / 2; i++) {
+		if (doublewords[i] != mpt_prot_doubleword[prot])
+			return false;
+	}
+	return true;
+}
+
+/*
+ * Set protection bits of FMPT/SMPT in a given range.
+ * Returns flags specifying whether L1/L2 changes need to be made visible
+ * to the device.
+ */
+static inline void __set_fmpt_range(struct fmpt *fmpt, size_t start_gb_byte,
+				    size_t end_gb_byte, enum mpt_prot prot)
+{
+	if (start_gb_byte == 0 && end_gb_byte >= SZ_1G) {
+		/* Update covers the entire GB region. */
+		if (fmpt->gran_1g && fmpt->prot == prot) {
+			fmpt->flags = 0;
+			return;
+		}
+
+		fmpt->gran_1g = true;
+		fmpt->prot = prot;
+		fmpt->flags = MPT_UPDATE_L1;
+		return;
+	}
+
+	if (fmpt->gran_1g) {
+		/* GB region currently uses 1G mapping. */
+		if (fmpt->prot == prot) {
+			fmpt->flags = 0;
+			return;
+		}
+
+		/*
+		 * Range has different mapping than the rest of the GB.
+		 * Convert to PAGE_SIZE mapping.
+		 */
+		fmpt->gran_1g = false;
+		__set_smpt_range(fmpt->smpt, 0, start_gb_byte, fmpt->prot);
+		__set_smpt_range(fmpt->smpt, start_gb_byte, end_gb_byte, prot);
+		__set_smpt_range(fmpt->smpt, end_gb_byte, SZ_1G, fmpt->prot);
+		fmpt->flags = MPT_UPDATE_L1 | MPT_UPDATE_L2;
+		return;
+	}
+
+	/* GB region currently uses PAGE_SIZE mapping. */
+	__set_smpt_range(fmpt->smpt, start_gb_byte, end_gb_byte, prot);
+
+	/* Check if the entire GB region has the same prot bits. */
+	if (!__is_smpt_uniform(fmpt->smpt, prot)) {
+		fmpt->flags = MPT_UPDATE_L2;
+		return;
+	}
+
+	fmpt->gran_1g = true;
+	fmpt->prot = prot;
+	fmpt->flags = MPT_UPDATE_L1;
+}
+
+#endif /* __ARM64_KVM_S2MPU_H__ */
diff --git a/arch/arm64/include/asm/lse.h b/arch/arm64/include/asm/lse.h
index 5d10051..29d0719 100644
--- a/arch/arm64/include/asm/lse.h
+++ b/arch/arm64/include/asm/lse.h
@@ -4,7 +4,7 @@
 
 #include <asm/atomic_ll_sc.h>
 
-#ifdef CONFIG_ARM64_LSE_ATOMICS
+#if defined(CONFIG_ARM64_LSE_ATOMICS) && !defined(BUILD_FIPS140_KO)
 
 #define __LSE_PREAMBLE	".arch_extension lse\n"
 
diff --git a/arch/arm64/include/asm/mem_encrypt.h b/arch/arm64/include/asm/mem_encrypt.h
new file mode 100644
index 0000000..300c8b8
--- /dev/null
+++ b/arch/arm64/include/asm/mem_encrypt.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __ASM_MEM_ENCRYPT_H
+#define __ASM_MEM_ENCRYPT_H
+
+bool mem_encrypt_active(void);
+int set_memory_encrypted(unsigned long addr, int numpages);
+int set_memory_decrypted(unsigned long addr, int numpages);
+
+#endif	/* __ASM_MEM_ENCRYPT_H */
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 505bdd7..7a8372a 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -44,11 +44,8 @@
 #define _PAGE_OFFSET(va)	(-(UL(1) << (va)))
 #define PAGE_OFFSET		(_PAGE_OFFSET(VA_BITS))
 #define KIMAGE_VADDR		(MODULES_END)
-#define BPF_JIT_REGION_START	(KASAN_SHADOW_END)
-#define BPF_JIT_REGION_SIZE	(SZ_128M)
-#define BPF_JIT_REGION_END	(BPF_JIT_REGION_START + BPF_JIT_REGION_SIZE)
 #define MODULES_END		(MODULES_VADDR + MODULES_VSIZE)
-#define MODULES_VADDR		(BPF_JIT_REGION_END)
+#define MODULES_VADDR		(KASAN_SHADOW_END)
 #define MODULES_VSIZE		(SZ_128M)
 #define VMEMMAP_START		(-VMEMMAP_SIZE - SZ_2M)
 #define VMEMMAP_END		(VMEMMAP_START + VMEMMAP_SIZE)
@@ -72,7 +69,7 @@
  * address space for the shadow region respectively. They can bloat the stack
  * significantly, so double the (minimum) stack size when they are in use.
  */
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 #define KASAN_SHADOW_OFFSET	_AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
 #define KASAN_SHADOW_END	((UL(1) << (64 - KASAN_SHADOW_SCALE_SHIFT)) \
 					+ KASAN_SHADOW_OFFSET)
@@ -138,6 +135,7 @@
 #define MT_DEVICE_nGnRnE	4
 #define MT_DEVICE_nGnRE		5
 #define MT_DEVICE_GRE		6
+#define MT_NORMAL_iNC_oWB	7
 
 /*
  * Memory types for Stage-2 translation
@@ -214,7 +212,7 @@
 	(__force __typeof__(addr))__addr;				\
 })
 
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
 #define __tag_shifted(tag)	((u64)(tag) << 56)
 #define __tag_reset(addr)	__untagged_addr(addr)
 #define __tag_get(addr)		(__u8)((u64)(addr) >> 56)
@@ -222,7 +220,7 @@
 #define __tag_shifted(tag)	0UL
 #define __tag_reset(addr)	(addr)
 #define __tag_get(addr)		0
-#endif /* CONFIG_KASAN_SW_TAGS */
+#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
 
 static inline const void *__tag_set(const void *addr, u8 tag)
 {
@@ -230,6 +228,17 @@
 	return (const void *)(__addr | __tag_shifted(tag));
 }
 
+#ifdef CONFIG_KASAN_HW_TAGS
+#define arch_enable_tagging_sync()		mte_enable_kernel_sync()
+#define arch_enable_tagging_async()		mte_enable_kernel_async()
+#define arch_enable_tagging_asymm()		mte_enable_kernel_asymm()
+#define arch_force_async_tag_fault()		mte_check_tfsr_exit()
+#define arch_get_random_tag()			mte_get_random_tag()
+#define arch_get_mem_tag(addr)			mte_get_mem_tag(addr)
+#define arch_set_mem_tag_range(addr, size, tag, init)	\
+			mte_set_mem_tag_range((addr), (size), (tag), (init))
+#endif /* CONFIG_KASAN_HW_TAGS */
+
 /*
  * Physical vs virtual RAM address space conversion.  These are
  * private definitions which should NOT be used outside memory.h
@@ -300,6 +309,24 @@
 #define sym_to_pfn(x)		__phys_to_pfn(__pa_symbol(x))
 
 /*
+ * With non-canonical CFI jump tables, the compiler replaces function
+ * address references with the address of the function's CFI jump
+ * table entry. This results in __pa_symbol(function) returning the
+ * physical address of the jump table entry, which can lead to address
+ * space confusion since the jump table points to the function's
+ * virtual address. Therefore, use inline assembly to ensure we are
+ * always taking the address of the actual function.
+ */
+#define __va_function(x) ({						\
+	void *addr;							\
+	asm("adrp %0, " __stringify(x) "\n\t"				\
+	    "add  %0, %0, :lo12:" __stringify(x) : "=r" (addr));	\
+	addr;								\
+})
+
+#define __pa_function(x) 	__pa_symbol(__va_function(x))
+
+/*
  *  virt_to_page(x)	convert a _valid_ virtual address to struct page *
  *  virt_addr_valid(x)	indicates whether a virtual address is valid
  */
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index bc151b7..48f8466 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -12,12 +12,10 @@
 #define USER_ASID_FLAG	(UL(1) << USER_ASID_BIT)
 #define TTBR_ASID_MASK	(UL(0xffff) << 48)
 
-#define BP_HARDEN_EL2_SLOTS 4
-#define __BP_HARDEN_HYP_VECS_SZ (BP_HARDEN_EL2_SLOTS * SZ_2K)
-
 #ifndef __ASSEMBLY__
 
 #include <linux/refcount.h>
+#include <asm/cpufeature.h>
 
 typedef struct {
 	atomic64_t	id;
@@ -62,38 +60,6 @@
 	return cpus_have_const_cap(ARM64_UNMAP_KERNEL_AT_EL0);
 }
 
-typedef void (*bp_hardening_cb_t)(void);
-
-struct bp_hardening_data {
-	int			hyp_vectors_slot;
-	bp_hardening_cb_t	fn;
-
-	/*
-	 * template_start is only used by the BHB mitigation to identify the
-	 * hyp_vectors_slot sequence.
-	 */
-	const char *template_start;
-};
-
-DECLARE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
-
-static inline struct bp_hardening_data *arm64_get_bp_hardening_data(void)
-{
-	return this_cpu_ptr(&bp_hardening_data);
-}
-
-static inline void arm64_apply_bp_hardening(void)
-{
-	struct bp_hardening_data *d;
-
-	if (!cpus_have_const_cap(ARM64_SPECTRE_V2))
-		return;
-
-	d = arm64_get_bp_hardening_data();
-	if (d->fn)
-		d->fn();
-}
-
 extern void arm64_memblock_init(void);
 extern void paging_init(void);
 extern void bootmem_init(void);
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index 5a54a5a..cc58614 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -134,7 +134,7 @@
  * Atomically replaces the active TTBR1_EL1 PGD with a new VA-compatible PGD,
  * avoiding the possibility of conflicting TLB entries being allocated.
  */
-static inline void cpu_replace_ttbr1(pgd_t *pgdp)
+static inline void __nocfi cpu_replace_ttbr1(pgd_t *pgdp)
 {
 	typedef void (ttbr_replace_func)(phys_addr_t);
 	extern ttbr_replace_func idmap_cpu_replace_ttbr1;
@@ -155,7 +155,7 @@
 		ttbr1 |= TTBR_CNP_BIT;
 	}
 
-	replace_phys = (void *)__pa_symbol(idmap_cpu_replace_ttbr1);
+	replace_phys = (void *)__pa_function(idmap_cpu_replace_ttbr1);
 
 	cpu_install_idmap();
 	replace_phys(ttbr1);
@@ -248,6 +248,19 @@
 #define deactivate_mm(tsk,mm)	do { } while (0)
 #define activate_mm(prev,next)	switch_mm(prev, next, current)
 
+static inline const struct cpumask *
+task_cpu_possible_mask(struct task_struct *p)
+{
+	if (!static_branch_unlikely(&arm64_mismatched_32bit_el0))
+		return cpu_possible_mask;
+
+	if (!is_compat_thread(task_thread_info(p)))
+		return cpu_possible_mask;
+
+	return system_32bit_el0_cpumask();
+}
+#define task_cpu_possible_mask	task_cpu_possible_mask
+
 void verify_cpu_asid_bits(void);
 void post_ttbr_update_workaround(void);
 
diff --git a/arch/arm64/include/asm/module.lds.h b/arch/arm64/include/asm/module.lds.h
index 0522337..a9343d2 100644
--- a/arch/arm64/include/asm/module.lds.h
+++ b/arch/arm64/include/asm/module.lds.h
@@ -1,7 +1,49 @@
-#ifdef CONFIG_ARM64_MODULE_PLTS
 SECTIONS {
+#ifdef CONFIG_ARM64_MODULE_PLTS
 	.plt 0 : { BYTE(0) }
 	.init.plt 0 : { BYTE(0) }
 	.text.ftrace_trampoline 0 : { BYTE(0) }
-}
+
+#ifdef CONFIG_CRYPTO_FIPS140
+	/*
+	 * The FIPS140 module incorporates copies of builtin code, which gets
+	 * integrity checked at module load time, and registered in a way that
+	 * ensures that the integrity checked versions supersede the builtin
+	 * ones.  These objects are compiled as builtin code, and so their init
+	 * hooks will be exported from the binary in the same way as builtin
+	 * initcalls are, i.e., annotated with a level that defines the order
+	 * in which the hooks are expected to be invoked.
+	 */
+#define INIT_CALLS_LEVEL(level)						\
+		KEEP(*(.initcall##level##.init*))			\
+		KEEP(*(.initcall##level##s.init*))
+
+	.initcalls : {
+		*(.initcalls._start)
+		INIT_CALLS_LEVEL(0)
+		INIT_CALLS_LEVEL(1)
+		INIT_CALLS_LEVEL(2)
+		INIT_CALLS_LEVEL(3)
+		INIT_CALLS_LEVEL(4)
+		INIT_CALLS_LEVEL(5)
+		INIT_CALLS_LEVEL(rootfs)
+		INIT_CALLS_LEVEL(6)
+		INIT_CALLS_LEVEL(7)
+		*(.initcalls._end)
+	}
 #endif
+#endif
+
+#ifdef CONFIG_KASAN_SW_TAGS
+	/*
+	 * Outlined checks go into comdat-deduplicated sections named .text.hot.
+	 * Because they are in comdats they are not combined by the linker and
+	 * we otherwise end up with multiple sections with the same .text.hot
+	 * name in the .ko file. The kernel module loader warns if it sees
+	 * multiple sections with the same name so we use this sections
+	 * directive to force them into a single section and silence the
+	 * warning.
+	 */
+	.text.hot : { *(.text.hot) }
+#endif
+}
diff --git a/arch/arm64/include/asm/mte-def.h b/arch/arm64/include/asm/mte-def.h
new file mode 100644
index 0000000..626d359
--- /dev/null
+++ b/arch/arm64/include/asm/mte-def.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 ARM Ltd.
+ */
+#ifndef __ASM_MTE_DEF_H
+#define __ASM_MTE_DEF_H
+
+#define MTE_GRANULE_SIZE	UL(16)
+#define MTE_GRANULE_MASK	(~(MTE_GRANULE_SIZE - 1))
+#define MTE_GRANULES_PER_PAGE	(PAGE_SIZE / MTE_GRANULE_SIZE)
+#define MTE_TAG_SHIFT		56
+#define MTE_TAG_SIZE		4
+#define MTE_TAG_MASK		GENMASK((MTE_TAG_SHIFT + (MTE_TAG_SIZE - 1)), MTE_TAG_SHIFT)
+
+#define __MTE_PREAMBLE		ARM64_ASM_PREAMBLE ".arch_extension memtag\n"
+
+#endif /* __ASM_MTE_DEF_H  */
diff --git a/arch/arm64/include/asm/mte-kasan.h b/arch/arm64/include/asm/mte-kasan.h
new file mode 100644
index 0000000..a857bca
--- /dev/null
+++ b/arch/arm64/include/asm/mte-kasan.h
@@ -0,0 +1,176 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 ARM Ltd.
+ */
+#ifndef __ASM_MTE_KASAN_H
+#define __ASM_MTE_KASAN_H
+
+#include <asm/compiler.h>
+#include <asm/mte-def.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+#ifdef CONFIG_ARM64_MTE
+
+/*
+ * These functions are meant to be only used from KASAN runtime through
+ * the arch_*() interface defined in asm/memory.h.
+ * These functions don't include system_supports_mte() checks,
+ * as KASAN only calls them when MTE is supported and enabled.
+ */
+
+static inline u8 mte_get_ptr_tag(void *ptr)
+{
+	/* Note: The format of KASAN tags is 0xF<x> */
+	u8 tag = 0xF0 | (u8)(((u64)(ptr)) >> MTE_TAG_SHIFT);
+
+	return tag;
+}
+
+/* Get allocation tag for the address. */
+static inline u8 mte_get_mem_tag(void *addr)
+{
+	asm(__MTE_PREAMBLE "ldg %0, [%0]"
+		: "+r" (addr));
+
+	return mte_get_ptr_tag(addr);
+}
+
+/* Generate a random tag. */
+static inline u8 mte_get_random_tag(void)
+{
+	void *addr;
+
+	asm(__MTE_PREAMBLE "irg %0, %0"
+		: "=r" (addr));
+
+	return mte_get_ptr_tag(addr);
+}
+
+static inline u64 __stg_post(u64 p)
+{
+	asm volatile(__MTE_PREAMBLE "stg %0, [%0], #16"
+		     : "+r"(p)
+		     :
+		     : "memory");
+	return p;
+}
+
+static inline u64 __stzg_post(u64 p)
+{
+	asm volatile(__MTE_PREAMBLE "stzg %0, [%0], #16"
+		     : "+r"(p)
+		     :
+		     : "memory");
+	return p;
+}
+
+static inline void __dc_gva(u64 p)
+{
+	asm volatile(__MTE_PREAMBLE "dc gva, %0" : : "r"(p) : "memory");
+}
+
+static inline void __dc_gzva(u64 p)
+{
+	asm volatile(__MTE_PREAMBLE "dc gzva, %0" : : "r"(p) : "memory");
+}
+
+/*
+ * Assign allocation tags for a region of memory based on the pointer tag.
+ * Note: The address must be non-NULL and MTE_GRANULE_SIZE aligned and
+ * size must be MTE_GRANULE_SIZE aligned.
+ */
+static inline void mte_set_mem_tag_range(void *addr, size_t size, u8 tag,
+					 bool init)
+{
+	u64 curr, mask, dczid, dczid_bs, dczid_dzp, end1, end2, end3;
+
+	/* Read DC G(Z)VA block size from the system register. */
+	dczid = read_cpuid(DCZID_EL0);
+	dczid_bs = 4ul << (dczid & 0xf);
+	dczid_dzp = (dczid >> 4) & 1;
+
+	curr = (u64)__tag_set(addr, tag);
+	mask = dczid_bs - 1;
+	/* STG/STZG up to the end of the first block. */
+	end1 = curr | mask;
+	end3 = curr + size;
+	/* DC GVA / GZVA in [end1, end2) */
+	end2 = end3 & ~mask;
+
+	/*
+	 * The following code uses STG on the first DC GVA block even if the
+	 * start address is aligned - it appears to be faster than an alignment
+	 * check + conditional branch. Also, if the range size is at least 2 DC
+	 * GVA blocks, the first two loops can use post-condition to save one
+	 * branch each.
+	 */
+#define SET_MEMTAG_RANGE(stg_post, dc_gva)		\
+	do {						\
+		if (!dczid_dzp && size >= 2 * dczid_bs) {\
+			do {				\
+				curr = stg_post(curr);	\
+			} while (curr < end1);		\
+							\
+			do {				\
+				dc_gva(curr);		\
+				curr += dczid_bs;	\
+			} while (curr < end2);		\
+		}					\
+							\
+		while (curr < end3)			\
+			curr = stg_post(curr);		\
+	} while (0)
+
+	if (init)
+		SET_MEMTAG_RANGE(__stzg_post, __dc_gzva);
+	else
+		SET_MEMTAG_RANGE(__stg_post, __dc_gva);
+#undef SET_MEMTAG_RANGE
+}
+
+void mte_enable_kernel_sync(void);
+void mte_enable_kernel_async(void);
+void mte_enable_kernel_asymm(void);
+
+#else /* CONFIG_ARM64_MTE */
+
+static inline u8 mte_get_ptr_tag(void *ptr)
+{
+	return 0xFF;
+}
+
+static inline u8 mte_get_mem_tag(void *addr)
+{
+	return 0xFF;
+}
+
+static inline u8 mte_get_random_tag(void)
+{
+	return 0xFF;
+}
+
+static inline void mte_set_mem_tag_range(void *addr, size_t size,
+						u8 tag, bool init)
+{
+}
+
+static inline void mte_enable_kernel_sync(void)
+{
+}
+
+static inline void mte_enable_kernel_async(void)
+{
+}
+
+static inline void mte_enable_kernel_asymm(void)
+{
+}
+
+#endif /* CONFIG_ARM64_MTE */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_MTE_KASAN_H  */
diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h
index 1c99fca..ef7c6f8 100644
--- a/arch/arm64/include/asm/mte.h
+++ b/arch/arm64/include/asm/mte.h
@@ -5,14 +5,14 @@
 #ifndef __ASM_MTE_H
 #define __ASM_MTE_H
 
-#define MTE_GRANULE_SIZE	UL(16)
-#define MTE_GRANULE_MASK	(~(MTE_GRANULE_SIZE - 1))
-#define MTE_TAG_SHIFT		56
-#define MTE_TAG_SIZE		4
+#include <asm/compiler.h>
+#include <asm/mte-def.h>
 
 #ifndef __ASSEMBLY__
 
+#include <linux/bitfield.h>
 #include <linux/page-flags.h>
+#include <linux/types.h>
 
 #include <asm/pgtable-types.h>
 
@@ -35,33 +35,42 @@
 /* track which pages have valid allocation tags */
 #define PG_mte_tagged	PG_arch_2
 
-void mte_sync_tags(pte_t *ptep, pte_t pte);
+void mte_zero_clear_page_tags(void *addr);
+void mte_sync_tags(pte_t old_pte, pte_t pte);
 void mte_copy_page_tags(void *kto, const void *kfrom);
-void flush_mte_state(void);
+void mte_thread_init_user(void);
 void mte_thread_switch(struct task_struct *next);
+void mte_cpu_setup(void);
+void mte_suspend_enter(void);
 void mte_suspend_exit(void);
 long set_mte_ctrl(struct task_struct *task, unsigned long arg);
 long get_mte_ctrl(struct task_struct *task);
 int mte_ptrace_copy_tags(struct task_struct *child, long request,
 			 unsigned long addr, unsigned long data);
 
-#else
+#else /* CONFIG_ARM64_MTE */
 
 /* unused if !CONFIG_ARM64_MTE, silence the compiler */
 #define PG_mte_tagged	0
 
-static inline void mte_sync_tags(pte_t *ptep, pte_t pte)
+static inline void mte_zero_clear_page_tags(void *addr)
+{
+}
+static inline void mte_sync_tags(pte_t old_pte, pte_t pte)
 {
 }
 static inline void mte_copy_page_tags(void *kto, const void *kfrom)
 {
 }
-static inline void flush_mte_state(void)
+static inline void mte_thread_init_user(void)
 {
 }
 static inline void mte_thread_switch(struct task_struct *next)
 {
 }
+static inline void mte_suspend_enter(void)
+{
+}
 static inline void mte_suspend_exit(void)
 {
 }
@@ -80,7 +89,57 @@
 	return -EIO;
 }
 
-#endif
+#endif /* CONFIG_ARM64_MTE */
+
+#ifdef CONFIG_KASAN_HW_TAGS
+/* Whether the MTE asynchronous mode is enabled. */
+DECLARE_STATIC_KEY_FALSE(mte_async_or_asymm_mode);
+
+static inline bool system_uses_mte_async_or_asymm_mode(void)
+{
+	return static_branch_unlikely(&mte_async_or_asymm_mode);
+}
+
+void mte_check_tfsr_el1(void);
+
+static inline void mte_check_tfsr_entry(void)
+{
+	if (!system_supports_mte())
+		return;
+
+	mte_check_tfsr_el1();
+}
+
+static inline void mte_check_tfsr_exit(void)
+{
+	if (!system_supports_mte())
+		return;
+
+	/*
+	 * The asynchronous faults are sync'ed automatically with
+	 * TFSR_EL1 on kernel entry but for exit an explicit dsb()
+	 * is required.
+	 */
+	dsb(nsh);
+	isb();
+
+	mte_check_tfsr_el1();
+}
+#else
+static inline bool system_uses_mte_async_or_asymm_mode(void)
+{
+	return false;
+}
+static inline void mte_check_tfsr_el1(void)
+{
+}
+static inline void mte_check_tfsr_entry(void)
+{
+}
+static inline void mte_check_tfsr_exit(void)
+{
+}
+#endif /* CONFIG_KASAN_HW_TAGS */
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_MTE_H  */
diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h
index 012cffc..ed1b9dc 100644
--- a/arch/arm64/include/asm/page.h
+++ b/arch/arm64/include/asm/page.h
@@ -13,6 +13,7 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/personality.h> /* for READ_IMPLIES_EXEC */
+#include <linux/types.h> /* for gfp_t */
 #include <asm/pgtable-types.h>
 
 struct page;
@@ -28,9 +29,12 @@
 void copy_highpage(struct page *to, struct page *from);
 #define __HAVE_ARCH_COPY_HIGHPAGE
 
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
-	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+struct page *alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
+						unsigned long vaddr);
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
+
+void tag_clear_highpage(struct page *to);
+#define __HAVE_ARCH_TAG_CLEAR_HIGHPAGE
 
 #define clear_user_page(page, vaddr, pg)	clear_page(page)
 #define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h
index 1599e17..8f16616 100644
--- a/arch/arm64/include/asm/percpu.h
+++ b/arch/arm64/include/asm/percpu.h
@@ -239,6 +239,12 @@
 #define this_cpu_cmpxchg_8(pcp, o, n)	\
 	_pcp_protect_return(cmpxchg_relaxed, pcp, o, n)
 
+#ifdef __KVM_NVHE_HYPERVISOR__
+extern unsigned long __hyp_per_cpu_offset(unsigned int cpu);
+#define __per_cpu_offset
+#define per_cpu_offset(cpu)	__hyp_per_cpu_offset((cpu))
+#endif
+
 #include <asm-generic/percpu.h>
 
 /* Redefine macros for nVHE hyp under DEBUG_PREEMPT to avoid its dependencies. */
diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h
index 3c6a7f5..27cc643 100644
--- a/arch/arm64/include/asm/pgalloc.h
+++ b/arch/arm64/include/asm/pgalloc.h
@@ -27,7 +27,7 @@
 
 static inline void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmdp)
 {
-	__pud_populate(pudp, __pa(pmdp), PMD_TYPE_TABLE);
+	__pud_populate(pudp, __pa(pmdp), PUD_TYPE_TABLE);
 }
 #else
 static inline void __pud_populate(pud_t *pudp, phys_addr_t pmdp, pudval_t prot)
@@ -45,7 +45,7 @@
 
 static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4dp, pud_t *pudp)
 {
-	__p4d_populate(p4dp, __pa(pudp), PUD_TYPE_TABLE);
+	__p4d_populate(p4dp, __pa(pudp), P4D_TYPE_TABLE);
 }
 #else
 static inline void __p4d_populate(p4d_t *p4dp, phys_addr_t pudp, p4dval_t prot)
diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index 01a96d0..e64e77a 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -94,6 +94,15 @@
 /*
  * Hardware page table definitions.
  *
+ * Level 0 descriptor (P4D).
+ */
+#define P4D_TYPE_TABLE		(_AT(p4dval_t, 3) << 0)
+#define P4D_TABLE_BIT		(_AT(p4dval_t, 1) << 1)
+#define P4D_TYPE_MASK		(_AT(p4dval_t, 3) << 0)
+#define P4D_TYPE_SECT		(_AT(p4dval_t, 1) << 0)
+#define P4D_SECT_RDONLY		(_AT(p4dval_t, 1) << 7)		/* AP[2] */
+
+/*
  * Level 1 descriptor (PUD).
  */
 #define PUD_TYPE_TABLE		(_AT(pudval_t, 3) << 0)
@@ -260,6 +269,7 @@
 #define TCR_TBI1		(UL(1) << 38)
 #define TCR_HA			(UL(1) << 39)
 #define TCR_HD			(UL(1) << 40)
+#define TCR_TBID1		(UL(1) << 52)
 #define TCR_NFD0		(UL(1) << 53)
 #define TCR_NFD1		(UL(1) << 54)
 #define TCR_E0PD0		(UL(1) << 55)
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 9a65fb5..079f4e9 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -71,10 +71,10 @@
 #define PAGE_KERNEL_EXEC	__pgprot(PROT_NORMAL & ~PTE_PXN)
 #define PAGE_KERNEL_EXEC_CONT	__pgprot((PROT_NORMAL & ~PTE_PXN) | PTE_CONT)
 
-#define PAGE_S2_MEMATTR(attr)						\
+#define PAGE_S2_MEMATTR(attr, has_fwb)					\
 	({								\
 		u64 __val;						\
-		if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))		\
+		if (has_fwb)						\
 			__val = PTE_S2_MEMATTR(MT_S2_FWB_ ## attr);	\
 		else							\
 			__val = PTE_S2_MEMATTR(MT_S2_ ## attr);		\
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 7756a36..e3ed0ab 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -317,9 +317,25 @@
 	if (pte_present(pte) && pte_user_exec(pte) && !pte_special(pte))
 		__sync_icache_dcache(pte);
 
-	if (system_supports_mte() &&
-	    pte_present(pte) && pte_tagged(pte) && !pte_special(pte))
-		mte_sync_tags(ptep, pte);
+	/*
+	 * If the PTE would provide user space access to the tags associated
+	 * with it then ensure that the MTE tags are synchronised.  Although
+	 * pte_access_permitted() returns false for exec only mappings, they
+	 * don't expose tags (instruction fetches don't check tags).
+	 */
+	if (system_supports_mte() && pte_access_permitted(pte, false) &&
+	    !pte_special(pte)) {
+		pte_t old_pte = READ_ONCE(*ptep);
+		/*
+		 * We only need to synchronise if the new PTE has tags enabled
+		 * or if swapping in (in which case another mapping may have
+		 * set tags in the past even if this PTE isn't tagged).
+		 * (!pte_none() && !pte_present()) is an open coded version of
+		 * is_swap_pte()
+		 */
+		if (pte_tagged(pte) || (!pte_none(old_pte) && !pte_present(old_pte)))
+			mte_sync_tags(old_pte, pte);
+	}
 
 	__check_racy_pte_update(mm, ptep, pte);
 
@@ -468,6 +484,7 @@
 #define pfn_pud(pfn,prot)	__pud(__phys_to_pud_val((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
 
 #define set_pmd_at(mm, addr, pmdp, pmd)	set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd))
+#define set_pud_at(mm, addr, pudp, pud)	set_pte_at(mm, addr, (pte_t *)pudp, pud_pte(pud))
 
 #define __p4d_to_phys(p4d)	__pte_to_phys(p4d_pte(p4d))
 #define __phys_to_p4d_val(phys)	__phys_to_pte_val(phys)
@@ -505,6 +522,15 @@
 	__pgprot_modify(prot, PTE_ATTRINDX_MASK, \
 			PTE_ATTRINDX(MT_NORMAL_NC) | PTE_PXN | PTE_UXN)
 
+/*
+ * Mark the prot value as outer cacheable and inner non-cacheable. Non-coherent
+ * devices on a system with support for a system or last level cache use these
+ * attributes to cache allocations in the system cache.
+ */
+#define pgprot_syscached(prot) \
+	__pgprot_modify(prot, PTE_ATTRINDX_MASK, \
+			PTE_ATTRINDX(MT_NORMAL_iNC_oWB) | PTE_PXN | PTE_UXN)
+
 #define __HAVE_PHYS_MEM_ACCESS_PROT
 struct file;
 extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
@@ -539,6 +565,13 @@
 
 extern void set_swapper_pgd(pgd_t *pgdp, pgd_t pgd);
 
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern int populate_range_driver_managed(u64 start, u64 size,
+		const char *resource_name);
+extern int depopulate_range_driver_managed(u64 start, u64 size,
+		const char *resource_name);
+#endif
+
 static inline bool in_swapper_pgdir(void *addr)
 {
 	return ((unsigned long)addr & PAGE_MASK) ==
@@ -983,13 +1016,13 @@
  * page after fork() + CoW for pfn mappings. We don't always have a
  * hardware-managed access flag on arm64.
  */
-static inline bool arch_faults_on_old_pte(void)
-{
-	WARN_ON(preemptible());
+#define arch_has_hw_pte_young		cpu_has_hw_af
 
-	return !cpu_has_hw_af();
-}
-#define arch_faults_on_old_pte arch_faults_on_old_pte
+/*
+ * Experimentally, it's cheap to set the access flag in hardware and we
+ * benefit from prefaulting mappings as 'old' to start with.
+ */
+#define arch_wants_old_prefaulted_pte	cpu_has_hw_af
 
 #endif /* !__ASSEMBLY__ */
 
diff --git a/arch/arm64/include/asm/pointer_auth.h b/arch/arm64/include/asm/pointer_auth.h
index c6b4f06..592968f 100644
--- a/arch/arm64/include/asm/pointer_auth.h
+++ b/arch/arm64/include/asm/pointer_auth.h
@@ -3,12 +3,16 @@
 #define __ASM_POINTER_AUTH_H
 
 #include <linux/bitops.h>
+#include <linux/prctl.h>
 #include <linux/random.h>
 
 #include <asm/cpufeature.h>
 #include <asm/memory.h>
 #include <asm/sysreg.h>
 
+#define PR_PAC_ENABLED_KEYS_MASK                                               \
+	(PR_PAC_APIAKEY | PR_PAC_APIBKEY | PR_PAC_APDAKEY | PR_PAC_APDBKEY)
+
 #ifdef CONFIG_ARM64_PTR_AUTH
 /*
  * Each key is a 128-bit quantity which is split across a pair of 64-bit
@@ -34,6 +38,25 @@
 	struct ptrauth_key apia;
 };
 
+#define __ptrauth_key_install_nosync(k, v)			\
+do {								\
+	struct ptrauth_key __pki_v = (v);			\
+	write_sysreg_s(__pki_v.lo, SYS_ ## k ## KEYLO_EL1);	\
+	write_sysreg_s(__pki_v.hi, SYS_ ## k ## KEYHI_EL1);	\
+} while (0)
+
+static inline void ptrauth_keys_install_user(struct ptrauth_keys_user *keys)
+{
+	if (system_supports_address_auth()) {
+		__ptrauth_key_install_nosync(APIB, keys->apib);
+		__ptrauth_key_install_nosync(APDA, keys->apda);
+		__ptrauth_key_install_nosync(APDB, keys->apdb);
+	}
+
+	if (system_supports_generic_auth())
+		__ptrauth_key_install_nosync(APGA, keys->apga);
+}
+
 static inline void ptrauth_keys_init_user(struct ptrauth_keys_user *keys)
 {
 	if (system_supports_address_auth()) {
@@ -45,14 +68,9 @@
 
 	if (system_supports_generic_auth())
 		get_random_bytes(&keys->apga, sizeof(keys->apga));
-}
 
-#define __ptrauth_key_install_nosync(k, v)			\
-do {								\
-	struct ptrauth_key __pki_v = (v);			\
-	write_sysreg_s(__pki_v.lo, SYS_ ## k ## KEYLO_EL1);	\
-	write_sysreg_s(__pki_v.hi, SYS_ ## k ## KEYHI_EL1);	\
-} while (0)
+	ptrauth_keys_install_user(keys);
+}
 
 static __always_inline void ptrauth_keys_init_kernel(struct ptrauth_keys_kernel *keys)
 {
@@ -71,23 +89,56 @@
 
 extern int ptrauth_prctl_reset_keys(struct task_struct *tsk, unsigned long arg);
 
+extern int ptrauth_set_enabled_keys(struct task_struct *tsk, unsigned long keys,
+				    unsigned long enabled);
+extern int ptrauth_get_enabled_keys(struct task_struct *tsk);
+
 static inline unsigned long ptrauth_strip_insn_pac(unsigned long ptr)
 {
 	return ptrauth_clear_pac(ptr);
 }
 
-#define ptrauth_thread_init_user(tsk)					\
-	ptrauth_keys_init_user(&(tsk)->thread.keys_user)
+static __always_inline void ptrauth_enable(void)
+{
+	if (!system_supports_address_auth())
+		return;
+	sysreg_clear_set(sctlr_el1, 0, (SCTLR_ELx_ENIA | SCTLR_ELx_ENIB |
+					SCTLR_ELx_ENDA | SCTLR_ELx_ENDB));
+	isb();
+}
+
+#define ptrauth_suspend_exit()                                                 \
+	ptrauth_keys_install_user(&current->thread.keys_user)
+
+#define ptrauth_thread_init_user()                                             \
+	do {                                                                   \
+		ptrauth_keys_init_user(&current->thread.keys_user);            \
+									       \
+		/* enable all keys */                                          \
+		if (system_supports_address_auth())                            \
+			ptrauth_set_enabled_keys(current,                      \
+						 PR_PAC_ENABLED_KEYS_MASK,     \
+						 PR_PAC_ENABLED_KEYS_MASK);    \
+	} while (0)
+
+#define ptrauth_thread_switch_user(tsk)                                        \
+	ptrauth_keys_install_user(&(tsk)->thread.keys_user)
+
 #define ptrauth_thread_init_kernel(tsk)					\
 	ptrauth_keys_init_kernel(&(tsk)->thread.keys_kernel)
 #define ptrauth_thread_switch_kernel(tsk)				\
 	ptrauth_keys_switch_kernel(&(tsk)->thread.keys_kernel)
 
 #else /* CONFIG_ARM64_PTR_AUTH */
+#define ptrauth_enable()
 #define ptrauth_prctl_reset_keys(tsk, arg)	(-EINVAL)
+#define ptrauth_set_enabled_keys(tsk, keys, enabled)	(-EINVAL)
+#define ptrauth_get_enabled_keys(tsk)	(-EINVAL)
 #define ptrauth_strip_insn_pac(lr)	(lr)
-#define ptrauth_thread_init_user(tsk)
+#define ptrauth_suspend_exit()
+#define ptrauth_thread_init_user()
 #define ptrauth_thread_init_kernel(tsk)
+#define ptrauth_thread_switch_user(tsk)
 #define ptrauth_thread_switch_kernel(tsk)
 #endif /* CONFIG_ARM64_PTR_AUTH */
 
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index c628d8e..9bf4351 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -19,6 +19,13 @@
  */
 #define NET_IP_ALIGN	0
 
+#define MTE_CTRL_GCR_USER_EXCL_SHIFT	0
+#define MTE_CTRL_GCR_USER_EXCL_MASK	0xffff
+
+#define MTE_CTRL_TCF_SYNC		(1UL << 16)
+#define MTE_CTRL_TCF_ASYNC		(1UL << 17)
+#define MTE_CTRL_TCF_ASYMM		(1UL << 18)
+
 #ifndef __ASSEMBLY__
 
 #include <linux/build_bug.h>
@@ -27,6 +34,7 @@
 #include <linux/stddef.h>
 #include <linux/string.h>
 #include <linux/thread_info.h>
+#include <linux/android_vendor.h>
 
 #include <vdso/processor.h>
 
@@ -141,6 +149,13 @@
 		struct user_fpsimd_state fpsimd_state;
 	} uw;
 
+	/*
+	 * Unused now that commit 74555f39924d ("ANDROID: vendor_hooks: FPSIMD
+	 * save/restore by using vendor_hooks") is reverted, but remains to
+	 * preserve the ABI in the android13-5.10 branch.
+	 */
+	ANDROID_VENDOR_DATA(1);
+
 	unsigned int		fpsimd_cpu;
 	void			*sve_state;	/* SVE registers, if any */
 	unsigned int		sve_vl;		/* SVE vector length */
@@ -153,11 +168,15 @@
 	struct ptrauth_keys_kernel	keys_kernel;
 #endif
 #ifdef CONFIG_ARM64_MTE
-	u64			sctlr_tcf0;
-	u64			gcr_user_incl;
+	u64			mte_ctrl;
 #endif
+	u64			sctlr_user;
 };
 
+#define SCTLR_USER_MASK                                                        \
+	(SCTLR_ELx_ENIA | SCTLR_ELx_ENIB | SCTLR_ELx_ENDA | SCTLR_ELx_ENDB |   \
+	 SCTLR_EL1_TCF0_MASK)
+
 static inline void arch_thread_struct_whitelist(unsigned long *offset,
 						unsigned long *size)
 {
@@ -250,6 +269,8 @@
 
 unsigned long get_wchan(struct task_struct *p);
 
+void update_sctlr_el1(u64 sctlr);
+
 /* Thread switching */
 extern struct task_struct *cpu_switch_to(struct task_struct *prev,
 					 struct task_struct *next);
@@ -304,6 +325,11 @@
 /* PR_PAC_RESET_KEYS prctl */
 #define PAC_RESET_KEYS(tsk, arg)	ptrauth_prctl_reset_keys(tsk, arg)
 
+/* PR_PAC_{SET,GET}_ENABLED_KEYS prctl */
+#define PAC_SET_ENABLED_KEYS(tsk, keys, enabled)				\
+	ptrauth_set_enabled_keys(tsk, keys, enabled)
+#define PAC_GET_ENABLED_KEYS(tsk) ptrauth_get_enabled_keys(tsk)
+
 #ifdef CONFIG_ARM64_TAGGED_ADDR_ABI
 /* PR_{SET,GET}_TAGGED_ADDR_CTRL prctl */
 long set_tagged_addr_ctrl(struct task_struct *task, unsigned long arg);
@@ -319,13 +345,13 @@
  * of header definitions for the use of task_stack_page.
  */
 
-#define current_top_of_stack()							\
-({										\
-	struct stack_info _info;						\
-	BUG_ON(!on_accessible_stack(current, current_stack_pointer, &_info));	\
-	_info.high;								\
+#define current_top_of_stack()								\
+({											\
+	struct stack_info _info;							\
+	BUG_ON(!on_accessible_stack(current, current_stack_pointer, 1, &_info));	\
+	_info.high;									\
 })
-#define on_thread_stack()	(on_task_stack(current, current_stack_pointer, NULL))
+#define on_thread_stack()	(on_task_stack(current, current_stack_pointer, 1, NULL))
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_PROCESSOR_H */
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index d3106f5..f834744 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -16,6 +16,11 @@
 #define CurrentEL_EL1		(1 << 2)
 #define CurrentEL_EL2		(2 << 2)
 
+#define INIT_PSTATE_EL1 \
+	(PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT | PSR_MODE_EL1h)
+#define INIT_PSTATE_EL2 \
+	(PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT | PSR_MODE_EL2h)
+
 /*
  * PMR values used to mask/unmask interrupts.
  *
diff --git a/arch/arm64/include/asm/rwonce.h b/arch/arm64/include/asm/rwonce.h
new file mode 100644
index 0000000..56f7b1d4
--- /dev/null
+++ b/arch/arm64/include/asm/rwonce.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Google LLC.
+ */
+#ifndef __ASM_RWONCE_H
+#define __ASM_RWONCE_H
+
+#if defined(CONFIG_LTO) && !defined(__ASSEMBLY__)
+
+#include <linux/compiler_types.h>
+#include <asm/alternative-macros.h>
+
+#ifndef BUILD_VDSO
+
+#ifdef CONFIG_AS_HAS_LDAPR
+#define __LOAD_RCPC(sfx, regs...)					\
+	ALTERNATIVE(							\
+		"ldar"	#sfx "\t" #regs,				\
+		".arch_extension rcpc\n"				\
+		"ldapr"	#sfx "\t" #regs,				\
+	ARM64_HAS_LDAPR)
+#else
+#define __LOAD_RCPC(sfx, regs...)	"ldar" #sfx "\t" #regs
+#endif /* CONFIG_AS_HAS_LDAPR */
+
+/*
+ * When building with LTO, there is an increased risk of the compiler
+ * converting an address dependency headed by a READ_ONCE() invocation
+ * into a control dependency and consequently allowing for harmful
+ * reordering by the CPU.
+ *
+ * Ensure that such transformations are harmless by overriding the generic
+ * READ_ONCE() definition with one that provides RCpc acquire semantics
+ * when building with LTO.
+ */
+#define __READ_ONCE(x)							\
+({									\
+	typeof(&(x)) __x = &(x);					\
+	int atomic = 1;							\
+	union { __unqual_scalar_typeof(*__x) __val; char __c[1]; } __u;	\
+	switch (sizeof(x)) {						\
+	case 1:								\
+		asm volatile(__LOAD_RCPC(b, %w0, %1)			\
+			: "=r" (*(__u8 *)__u.__c)			\
+			: "Q" (*__x) : "memory");			\
+		break;							\
+	case 2:								\
+		asm volatile(__LOAD_RCPC(h, %w0, %1)			\
+			: "=r" (*(__u16 *)__u.__c)			\
+			: "Q" (*__x) : "memory");			\
+		break;							\
+	case 4:								\
+		asm volatile(__LOAD_RCPC(, %w0, %1)			\
+			: "=r" (*(__u32 *)__u.__c)			\
+			: "Q" (*__x) : "memory");			\
+		break;							\
+	case 8:								\
+		asm volatile(__LOAD_RCPC(, %0, %1)			\
+			: "=r" (*(__u64 *)__u.__c)			\
+			: "Q" (*__x) : "memory");			\
+		break;							\
+	default:							\
+		atomic = 0;						\
+	}								\
+	atomic ? (typeof(*__x))__u.__val : (*(volatile typeof(__x))__x);\
+})
+
+#endif	/* !BUILD_VDSO */
+#endif	/* CONFIG_LTO && !__ASSEMBLY__ */
+
+#include <asm-generic/rwonce.h>
+
+#endif	/* __ASM_RWONCE_H */
diff --git a/arch/arm64/include/asm/sdei.h b/arch/arm64/include/asm/sdei.h
index 5882c0e..fecf261b 100644
--- a/arch/arm64/include/asm/sdei.h
+++ b/arch/arm64/include/asm/sdei.h
@@ -48,8 +48,9 @@
 
 struct stack_info;
 
-bool _on_sdei_stack(unsigned long sp, struct stack_info *info);
-static inline bool on_sdei_stack(unsigned long sp,
+bool _on_sdei_stack(unsigned long sp, unsigned long size,
+		    struct stack_info *info);
+static inline bool on_sdei_stack(unsigned long sp, unsigned long size,
 				struct stack_info *info)
 {
 	if (!IS_ENABLED(CONFIG_VMAP_STACK))
@@ -57,7 +58,7 @@
 	if (!IS_ENABLED(CONFIG_ARM_SDE_INTERFACE))
 		return false;
 	if (in_nmi())
-		return _on_sdei_stack(sp, info);
+		return _on_sdei_stack(sp, size, info);
 
 	return false;
 }
diff --git a/arch/arm64/include/asm/seccomp.h b/arch/arm64/include/asm/seccomp.h
index c363871..3025623 100644
--- a/arch/arm64/include/asm/seccomp.h
+++ b/arch/arm64/include/asm/seccomp.h
@@ -19,4 +19,13 @@
 
 #include <asm-generic/seccomp.h>
 
+#define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_AARCH64
+#define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME	"aarch64"
+#ifdef CONFIG_COMPAT
+# define SECCOMP_ARCH_COMPAT		AUDIT_ARCH_ARM
+# define SECCOMP_ARCH_COMPAT_NR	__NR_compat_syscalls
+# define SECCOMP_ARCH_COMPAT_NAME	"arm"
+#endif
+
 #endif /* _ASM_SECCOMP_H */
diff --git a/arch/arm64/include/asm/sections.h b/arch/arm64/include/asm/sections.h
index 6a45c26..6b2ce1e 100644
--- a/arch/arm64/include/asm/sections.h
+++ b/arch/arm64/include/asm/sections.h
@@ -11,6 +11,10 @@
 extern char __hibernate_exit_text_start[], __hibernate_exit_text_end[];
 extern char __hyp_idmap_text_start[], __hyp_idmap_text_end[];
 extern char __hyp_text_start[], __hyp_text_end[];
+extern char __hyp_data_start[], __hyp_data_end[];
+extern char __hyp_rodata_start[], __hyp_rodata_end[];
+extern char __hyp_reloc_begin[], __hyp_reloc_end[];
+extern char __hyp_bss_start[], __hyp_bss_end[];
 extern char __idmap_text_start[], __idmap_text_end[];
 extern char __initdata_begin[], __initdata_end[];
 extern char __inittext_begin[], __inittext_end[];
diff --git a/arch/arm64/include/asm/setup.h b/arch/arm64/include/asm/setup.h
new file mode 100644
index 0000000..d332061
--- /dev/null
+++ b/arch/arm64/include/asm/setup.h
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#ifndef __ARM64_ASM_SETUP_H
+#define __ARM64_ASM_SETUP_H
+
+#include <uapi/asm/setup.h>
+
+void *get_early_fdt_ptr(void);
+void early_fdt_map(u64 dt_phys);
+
+#endif
diff --git a/arch/arm64/include/asm/signal.h b/arch/arm64/include/asm/signal.h
new file mode 100644
index 0000000..ef449f5
--- /dev/null
+++ b/arch/arm64/include/asm/signal.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ARM64_ASM_SIGNAL_H
+#define __ARM64_ASM_SIGNAL_H
+
+#include <asm/memory.h>
+#include <uapi/asm/signal.h>
+#include <uapi/asm/siginfo.h>
+
+static inline void __user *arch_untagged_si_addr(void __user *addr,
+						 unsigned long sig,
+						 unsigned long si_code)
+{
+	/*
+	 * For historical reasons, all bits of the fault address are exposed as
+	 * address bits for watchpoint exceptions. New architectures should
+	 * handle the tag bits consistently.
+	 */
+	if (sig == SIGTRAP && si_code == TRAP_BRKPT)
+		return addr;
+
+	return untagged_addr(addr);
+}
+#define arch_untagged_si_addr arch_untagged_si_addr
+
+#endif
diff --git a/arch/arm64/include/asm/simd.h b/arch/arm64/include/asm/simd.h
index 89cba26..1a121cb 100644
--- a/arch/arm64/include/asm/simd.h
+++ b/arch/arm64/include/asm/simd.h
@@ -35,9 +35,7 @@
 	 * migrated, and if it's clear we cannot be migrated to a CPU
 	 * where it is set.
 	 */
-	return !WARN_ON(!system_capabilities_finalized()) &&
-	       system_supports_fpsimd() &&
-	       !in_irq() && !irqs_disabled() && !in_nmi() &&
+	return !in_irq() && !irqs_disabled() && !in_nmi() &&
 	       !this_cpu_read(fpsimd_context_busy);
 }
 
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index 2e7f529..030eebc 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -46,9 +46,9 @@
  * Logical CPU mapping.
  */
 extern u64 __cpu_logical_map[NR_CPUS];
-extern u64 cpu_logical_map(int cpu);
+extern u64 cpu_logical_map(unsigned int cpu);
 
-static inline void set_cpu_logical_map(int cpu, u64 hwid)
+static inline void set_cpu_logical_map(unsigned int cpu, u64 hwid)
 {
 	__cpu_logical_map[cpu] = hwid;
 }
@@ -89,6 +89,8 @@
 
 extern void arch_send_call_function_single_ipi(int cpu);
 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+extern int nr_ipi_get(void);
+extern struct irq_desc **ipi_desc_get(void);
 
 #ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
 extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask);
diff --git a/arch/arm64/include/asm/sparsemem.h b/arch/arm64/include/asm/sparsemem.h
index 1f43fcc..ff08ff6 100644
--- a/arch/arm64/include/asm/sparsemem.h
+++ b/arch/arm64/include/asm/sparsemem.h
@@ -7,7 +7,13 @@
 
 #ifdef CONFIG_SPARSEMEM
 #define MAX_PHYSMEM_BITS	CONFIG_ARM64_PA_BITS
-#define SECTION_SIZE_BITS	30
-#endif
+
+#if defined(CONFIG_ARM64_4K_PAGES) || defined(CONFIG_ARM64_16K_PAGES)
+#define SECTION_SIZE_BITS 27
+#else
+#define SECTION_SIZE_BITS 29
+#endif /* CONFIG_ARM64_4K_PAGES || CONFIG_ARM64_16K_PAGES */
+
+#endif /* CONFIG_SPARSEMEM*/
 
 #endif
diff --git a/arch/arm64/include/asm/spectre.h b/arch/arm64/include/asm/spectre.h
index e48afcb..71060c1 100644
--- a/arch/arm64/include/asm/spectre.h
+++ b/arch/arm64/include/asm/spectre.h
@@ -9,7 +9,15 @@
 #ifndef __ASM_SPECTRE_H
 #define __ASM_SPECTRE_H
 
+#define BP_HARDEN_EL2_SLOTS 4
+#define __BP_HARDEN_HYP_VECS_SZ	((BP_HARDEN_EL2_SLOTS - 1) * SZ_2K)
+
+#ifndef __ASSEMBLY__
+
+#include <linux/percpu.h>
+
 #include <asm/cpufeature.h>
+#include <asm/virt.h>
 
 /* Watch out, ordering is important here. */
 enum mitigation_state {
@@ -18,21 +26,76 @@
 	SPECTRE_VULNERABLE,
 };
 
-struct pt_regs;
 struct task_struct;
 
+/*
+ * Note: the order of this enum corresponds to __bp_harden_hyp_vecs and
+ * we rely on having the direct vectors first.
+ */
+enum arm64_hyp_spectre_vector {
+	/*
+	 * Take exceptions directly to __kvm_hyp_vector. This must be
+	 * 0 so that it used by default when mitigations are not needed.
+	 */
+	HYP_VECTOR_DIRECT,
+
+	/*
+	 * Bounce via a slot in the hypervisor text mapping of
+	 * __bp_harden_hyp_vecs, which contains an SMC call.
+	 */
+	HYP_VECTOR_SPECTRE_DIRECT,
+
+	/*
+	 * Bounce via a slot in a special mapping of __bp_harden_hyp_vecs
+	 * next to the idmap page.
+	 */
+	HYP_VECTOR_INDIRECT,
+
+	/*
+	 * Bounce via a slot in a special mapping of __bp_harden_hyp_vecs
+	 * next to the idmap page, which contains an SMC call.
+	 */
+	HYP_VECTOR_SPECTRE_INDIRECT,
+};
+
+typedef void (*bp_hardening_cb_t)(void);
+
+struct bp_hardening_data {
+	enum arm64_hyp_spectre_vector	slot;
+	bp_hardening_cb_t		fn;
+};
+
+DECLARE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
+
+/* Called during entry so must be __always_inline */
+static __always_inline void arm64_apply_bp_hardening(void)
+{
+	struct bp_hardening_data *d;
+
+	if (!cpus_have_const_cap(ARM64_SPECTRE_V2))
+		return;
+
+	d = this_cpu_ptr(&bp_hardening_data);
+	if (d->fn)
+		d->fn();
+}
+
 enum mitigation_state arm64_get_spectre_v2_state(void);
 bool has_spectre_v2(const struct arm64_cpu_capabilities *cap, int scope);
 void spectre_v2_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
 
+bool has_spectre_v3a(const struct arm64_cpu_capabilities *cap, int scope);
+void spectre_v3a_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
+
 enum mitigation_state arm64_get_spectre_v4_state(void);
 bool has_spectre_v4(const struct arm64_cpu_capabilities *cap, int scope);
 void spectre_v4_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
 void spectre_v4_enable_task_mitigation(struct task_struct *tsk);
 
+enum mitigation_state arm64_get_meltdown_state(void);
 enum mitigation_state arm64_get_spectre_bhb_state(void);
 bool is_spectre_bhb_affected(const struct arm64_cpu_capabilities *entry, int scope);
 u8 spectre_bhb_loop_affected(int scope);
 void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
-bool try_emulate_el1_ssbs(struct pt_regs *regs, u32 instr);
+#endif	/* __ASSEMBLY__ */
 #endif	/* __ASM_SPECTRE_H */
diff --git a/arch/arm64/include/asm/stackprotector.h b/arch/arm64/include/asm/stackprotector.h
index 7263e0b..33f1bb4 100644
--- a/arch/arm64/include/asm/stackprotector.h
+++ b/arch/arm64/include/asm/stackprotector.h
@@ -41,6 +41,7 @@
 #endif
 	ptrauth_thread_init_kernel(current);
 	ptrauth_thread_switch_kernel(current);
+	ptrauth_enable();
 }
 
 #endif	/* _ASM_STACKPROTECTOR_H */
diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h
index eb29b1f..77192df 100644
--- a/arch/arm64/include/asm/stacktrace.h
+++ b/arch/arm64/include/asm/stacktrace.h
@@ -69,14 +69,14 @@
 
 DECLARE_PER_CPU(unsigned long *, irq_stack_ptr);
 
-static inline bool on_stack(unsigned long sp, unsigned long low,
-				unsigned long high, enum stack_type type,
-				struct stack_info *info)
+static inline bool on_stack(unsigned long sp, unsigned long size,
+			    unsigned long low, unsigned long high,
+			    enum stack_type type, struct stack_info *info)
 {
 	if (!low)
 		return false;
 
-	if (sp < low || sp >= high)
+	if (sp < low || sp + size < sp || sp + size > high)
 		return false;
 
 	if (info) {
@@ -87,38 +87,38 @@
 	return true;
 }
 
-static inline bool on_irq_stack(unsigned long sp,
+static inline bool on_irq_stack(unsigned long sp, unsigned long size,
 				struct stack_info *info)
 {
 	unsigned long low = (unsigned long)raw_cpu_read(irq_stack_ptr);
 	unsigned long high = low + IRQ_STACK_SIZE;
 
-	return on_stack(sp, low, high, STACK_TYPE_IRQ, info);
+	return on_stack(sp, size, low, high, STACK_TYPE_IRQ, info);
 }
 
 static inline bool on_task_stack(const struct task_struct *tsk,
-				 unsigned long sp,
+				 unsigned long sp, unsigned long size,
 				 struct stack_info *info)
 {
 	unsigned long low = (unsigned long)task_stack_page(tsk);
 	unsigned long high = low + THREAD_SIZE;
 
-	return on_stack(sp, low, high, STACK_TYPE_TASK, info);
+	return on_stack(sp, size, low, high, STACK_TYPE_TASK, info);
 }
 
 #ifdef CONFIG_VMAP_STACK
 DECLARE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack);
 
-static inline bool on_overflow_stack(unsigned long sp,
+static inline bool on_overflow_stack(unsigned long sp, unsigned long size,
 				struct stack_info *info)
 {
 	unsigned long low = (unsigned long)raw_cpu_ptr(overflow_stack);
 	unsigned long high = low + OVERFLOW_STACK_SIZE;
 
-	return on_stack(sp, low, high, STACK_TYPE_OVERFLOW, info);
+	return on_stack(sp, size, low, high, STACK_TYPE_OVERFLOW, info);
 }
 #else
-static inline bool on_overflow_stack(unsigned long sp,
+static inline bool on_overflow_stack(unsigned long sp, unsigned long size,
 			struct stack_info *info) { return false; }
 #endif
 
@@ -128,21 +128,21 @@
  * context.
  */
 static inline bool on_accessible_stack(const struct task_struct *tsk,
-				       unsigned long sp,
+				       unsigned long sp, unsigned long size,
 				       struct stack_info *info)
 {
 	if (info)
 		info->type = STACK_TYPE_UNKNOWN;
 
-	if (on_task_stack(tsk, sp, info))
+	if (on_task_stack(tsk, sp, size, info))
 		return true;
 	if (tsk != current || preemptible())
 		return false;
-	if (on_irq_stack(sp, info))
+	if (on_irq_stack(sp, size, info))
 		return true;
-	if (on_overflow_stack(sp, info))
+	if (on_overflow_stack(sp, size, info))
 		return true;
-	if (on_sdei_stack(sp, info))
+	if (on_sdei_stack(sp, size, info))
 		return true;
 
 	return false;
diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h
index b31e8e8..3a3264f 100644
--- a/arch/arm64/include/asm/string.h
+++ b/arch/arm64/include/asm/string.h
@@ -5,7 +5,7 @@
 #ifndef __ASM_STRING_H
 #define __ASM_STRING_H
 
-#ifndef CONFIG_KASAN
+#if !(defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
 #define __HAVE_ARCH_STRRCHR
 extern char *strrchr(const char *, int c);
 
@@ -48,7 +48,8 @@
 void memcpy_flushcache(void *dst, const void *src, size_t cnt);
 #endif
 
-#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+	!defined(__SANITIZE_ADDRESS__)
 
 /*
  * For files that are not instrumented (e.g. mm/slub.c) we
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 9fea6e9..18ee6320 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -11,6 +11,7 @@
 
 #include <linux/bits.h>
 #include <linux/stringify.h>
+#include <linux/kasan-tags.h>
 
 /*
  * ARMv8 ARM reserves the following encoding for system registers:
@@ -98,6 +99,10 @@
 #define SET_PSTATE_SSBS(x)		__emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
 #define SET_PSTATE_TCO(x)		__emit_inst(0xd500401f | PSTATE_TCO | ((!!x) << PSTATE_Imm_shift))
 
+#define set_pstate_pan(x)		asm volatile(SET_PSTATE_PAN(x))
+#define set_pstate_uao(x)		asm volatile(SET_PSTATE_UAO(x))
+#define set_pstate_ssbs(x)		asm volatile(SET_PSTATE_SSBS(x))
+
 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
 	__emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
 
@@ -194,6 +199,7 @@
 #define SYS_GCR_EL1			sys_reg(3, 0, 1, 0, 6)
 
 #define SYS_ZCR_EL1			sys_reg(3, 0, 1, 2, 0)
+#define SYS_TRFCR_EL1			sys_reg(3, 0, 1, 2, 1)
 
 #define SYS_TTBR0_EL1			sys_reg(3, 0, 2, 0, 0)
 #define SYS_TTBR1_EL1			sys_reg(3, 0, 2, 0, 1)
@@ -285,6 +291,8 @@
 #define SYS_PMSIRR_EL1_INTERVAL_MASK	0xffffffUL
 
 /* Filtering controls */
+#define SYS_PMSNEVFR_EL1		sys_reg(3, 0, 9, 9, 1)
+
 #define SYS_PMSFCR_EL1			sys_reg(3, 0, 9, 9, 4)
 #define SYS_PMSFCR_EL1_FE_SHIFT		0
 #define SYS_PMSFCR_EL1_FT_SHIFT		1
@@ -331,6 +339,55 @@
 
 /*** End of Statistical Profiling Extension ***/
 
+/*
+ * TRBE Registers
+ */
+#define SYS_TRBLIMITR_EL1		sys_reg(3, 0, 9, 11, 0)
+#define SYS_TRBPTR_EL1			sys_reg(3, 0, 9, 11, 1)
+#define SYS_TRBBASER_EL1		sys_reg(3, 0, 9, 11, 2)
+#define SYS_TRBSR_EL1			sys_reg(3, 0, 9, 11, 3)
+#define SYS_TRBMAR_EL1			sys_reg(3, 0, 9, 11, 4)
+#define SYS_TRBTRG_EL1			sys_reg(3, 0, 9, 11, 6)
+#define SYS_TRBIDR_EL1			sys_reg(3, 0, 9, 11, 7)
+
+#define TRBLIMITR_LIMIT_MASK		GENMASK_ULL(51, 0)
+#define TRBLIMITR_LIMIT_SHIFT		12
+#define TRBLIMITR_NVM			BIT(5)
+#define TRBLIMITR_TRIG_MODE_MASK	GENMASK(1, 0)
+#define TRBLIMITR_TRIG_MODE_SHIFT	3
+#define TRBLIMITR_FILL_MODE_MASK	GENMASK(1, 0)
+#define TRBLIMITR_FILL_MODE_SHIFT	1
+#define TRBLIMITR_ENABLE		BIT(0)
+#define TRBPTR_PTR_MASK			GENMASK_ULL(63, 0)
+#define TRBPTR_PTR_SHIFT		0
+#define TRBBASER_BASE_MASK		GENMASK_ULL(51, 0)
+#define TRBBASER_BASE_SHIFT		12
+#define TRBSR_EC_MASK			GENMASK(5, 0)
+#define TRBSR_EC_SHIFT			26
+#define TRBSR_IRQ			BIT(22)
+#define TRBSR_TRG			BIT(21)
+#define TRBSR_WRAP			BIT(20)
+#define TRBSR_ABORT			BIT(18)
+#define TRBSR_STOP			BIT(17)
+#define TRBSR_MSS_MASK			GENMASK(15, 0)
+#define TRBSR_MSS_SHIFT			0
+#define TRBSR_BSC_MASK			GENMASK(5, 0)
+#define TRBSR_BSC_SHIFT			0
+#define TRBSR_FSC_MASK			GENMASK(5, 0)
+#define TRBSR_FSC_SHIFT			0
+#define TRBMAR_SHARE_MASK		GENMASK(1, 0)
+#define TRBMAR_SHARE_SHIFT		8
+#define TRBMAR_OUTER_MASK		GENMASK(3, 0)
+#define TRBMAR_OUTER_SHIFT		4
+#define TRBMAR_INNER_MASK		GENMASK(3, 0)
+#define TRBMAR_INNER_SHIFT		0
+#define TRBTRG_TRG_MASK			GENMASK(31, 0)
+#define TRBTRG_TRG_SHIFT		0
+#define TRBIDR_FLAG			BIT(5)
+#define TRBIDR_PROG			BIT(4)
+#define TRBIDR_ALIGN_MASK		GENMASK(3, 0)
+#define TRBIDR_ALIGN_SHIFT		0
+
 #define SYS_PMINTENSET_EL1		sys_reg(3, 0, 9, 14, 1)
 #define SYS_PMINTENCLR_EL1		sys_reg(3, 0, 9, 14, 2)
 
@@ -343,7 +400,10 @@
 #define SYS_LOREA_EL1			sys_reg(3, 0, 10, 4, 1)
 #define SYS_LORN_EL1			sys_reg(3, 0, 10, 4, 2)
 #define SYS_LORC_EL1			sys_reg(3, 0, 10, 4, 3)
+#define SYS_MPAMIDR_EL1			sys_reg(3, 0, 10, 4, 4)
 #define SYS_LORID_EL1			sys_reg(3, 0, 10, 4, 7)
+#define SYS_MPAM1_EL1			sys_reg(3, 0, 10, 5, 0)
+#define SYS_MPAM0_EL1			sys_reg(3, 0, 10, 5, 1)
 
 #define SYS_VBAR_EL1			sys_reg(3, 0, 12, 0, 0)
 #define SYS_DISR_EL1			sys_reg(3, 0, 12, 1, 1)
@@ -472,7 +532,9 @@
 
 #define SYS_PMCCFILTR_EL0		sys_reg(3, 3, 14, 15, 7)
 
+#define SYS_SCTLR_EL2			sys_reg(3, 4, 1, 0, 0)
 #define SYS_ZCR_EL2			sys_reg(3, 4, 1, 2, 0)
+#define SYS_TRFCR_EL2			sys_reg(3, 4, 1, 2, 1)
 #define SYS_DACR32_EL2			sys_reg(3, 4, 3, 0, 0)
 #define SYS_SPSR_EL2			sys_reg(3, 4, 4, 0, 0)
 #define SYS_ELR_EL2			sys_reg(3, 4, 4, 0, 1)
@@ -483,6 +545,10 @@
 #define SYS_TFSR_EL2			sys_reg(3, 4, 5, 6, 0)
 #define SYS_FAR_EL2			sys_reg(3, 4, 6, 0, 0)
 
+#define SYS_MPAMHCR_EL2			sys_reg(3, 4, 10, 4, 0)
+#define SYS_MPAMVPMV_EL2		sys_reg(3, 4, 10, 4, 1)
+#define SYS_MPAM2_EL2			sys_reg(3, 4, 10, 5, 0)
+
 #define SYS_VDISR_EL2			sys_reg(3, 4, 12, 1,  1)
 #define __SYS__AP0Rx_EL2(x)		sys_reg(3, 4, 12, 8, x)
 #define SYS_ICH_AP0R0_EL2		__SYS__AP0Rx_EL2(0)
@@ -559,10 +625,13 @@
 #define SCTLR_ELx_TCF_NONE	(UL(0x0) << SCTLR_ELx_TCF_SHIFT)
 #define SCTLR_ELx_TCF_SYNC	(UL(0x1) << SCTLR_ELx_TCF_SHIFT)
 #define SCTLR_ELx_TCF_ASYNC	(UL(0x2) << SCTLR_ELx_TCF_SHIFT)
+#define SCTLR_ELx_TCF_ASYMM	(UL(0x3) << SCTLR_ELx_TCF_SHIFT)
 #define SCTLR_ELx_TCF_MASK	(UL(0x3) << SCTLR_ELx_TCF_SHIFT)
 
+#define SCTLR_ELx_ENIA_SHIFT	31
+
 #define SCTLR_ELx_ITFSB	(BIT(37))
-#define SCTLR_ELx_ENIA	(BIT(31))
+#define SCTLR_ELx_ENIA	(BIT(SCTLR_ELx_ENIA_SHIFT))
 #define SCTLR_ELx_ENIB	(BIT(30))
 #define SCTLR_ELx_ENDA	(BIT(27))
 #define SCTLR_ELx_EE    (BIT(25))
@@ -575,9 +644,6 @@
 #define SCTLR_ELx_A	(BIT(1))
 #define SCTLR_ELx_M	(BIT(0))
 
-#define SCTLR_ELx_FLAGS	(SCTLR_ELx_M  | SCTLR_ELx_A | SCTLR_ELx_C | \
-			 SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)
-
 /* SCTLR_EL2 specific flags. */
 #define SCTLR_EL2_RES1	((BIT(4))  | (BIT(5))  | (BIT(11)) | (BIT(16)) | \
 			 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
@@ -589,6 +655,14 @@
 #define ENDIAN_SET_EL2		0
 #endif
 
+#define INIT_SCTLR_EL2_MMU_ON						\
+	(SCTLR_ELx_M  | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I |	\
+	 SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 |		\
+	 SCTLR_ELx_ITFSB | SCTLR_EL2_RES1)
+
+#define INIT_SCTLR_EL2_MMU_OFF \
+	(SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
+
 /* SCTLR_EL1 specific flags. */
 #define SCTLR_EL1_ATA0		(BIT(42))
 
@@ -596,6 +670,7 @@
 #define SCTLR_EL1_TCF0_NONE	(UL(0x0) << SCTLR_EL1_TCF0_SHIFT)
 #define SCTLR_EL1_TCF0_SYNC	(UL(0x1) << SCTLR_EL1_TCF0_SHIFT)
 #define SCTLR_EL1_TCF0_ASYNC	(UL(0x2) << SCTLR_EL1_TCF0_SHIFT)
+#define SCTLR_EL1_TCF0_ASYMM	(UL(0x3) << SCTLR_EL1_TCF0_SHIFT)
 #define SCTLR_EL1_TCF0_MASK	(UL(0x3) << SCTLR_EL1_TCF0_SHIFT)
 
 #define SCTLR_EL1_BT1		(BIT(36))
@@ -622,12 +697,14 @@
 #define ENDIAN_SET_EL1		0
 #endif
 
-#define SCTLR_EL1_SET	(SCTLR_ELx_M    | SCTLR_ELx_C    | SCTLR_ELx_SA   |\
-			 SCTLR_EL1_SA0  | SCTLR_EL1_SED  | SCTLR_ELx_I    |\
-			 SCTLR_EL1_DZE  | SCTLR_EL1_UCT                   |\
-			 SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN |\
-			 SCTLR_ELx_ITFSB| SCTLR_ELx_ATA  | SCTLR_EL1_ATA0 |\
-			 ENDIAN_SET_EL1 | SCTLR_EL1_UCI  | SCTLR_EL1_RES1)
+#define INIT_SCTLR_EL1_MMU_OFF \
+	(ENDIAN_SET_EL1 | SCTLR_EL1_RES1)
+
+#define INIT_SCTLR_EL1_MMU_ON \
+	(SCTLR_ELx_M    | SCTLR_ELx_C    | SCTLR_ELx_SA   | SCTLR_EL1_SA0   | \
+	 SCTLR_EL1_SED  | SCTLR_ELx_I    | SCTLR_EL1_DZE  | SCTLR_EL1_UCT   | \
+	 SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \
+	 ENDIAN_SET_EL1 | SCTLR_EL1_UCI  | SCTLR_EL1_RES1)
 
 /* MAIR_ELx memory attributes (used by Linux) */
 #define MAIR_ATTR_DEVICE_nGnRnE		UL(0x00)
@@ -638,6 +715,7 @@
 #define MAIR_ATTR_NORMAL_TAGGED		UL(0xf0)
 #define MAIR_ATTR_NORMAL		UL(0xff)
 #define MAIR_ATTR_MASK			UL(0xff)
+#define MAIR_ATTR_NORMAL_iNC_oWB	UL(0xf4)
 
 /* Position the attr at the correct index */
 #define MAIR_ATTRIDX(attr, idx)		((attr) << ((idx) * 8))
@@ -729,14 +807,13 @@
 #define ID_AA64PFR0_AMU			0x1
 #define ID_AA64PFR0_SVE			0x1
 #define ID_AA64PFR0_RAS_V1		0x1
+#define ID_AA64PFR0_RAS_V1P1		0x2
 #define ID_AA64PFR0_FP_NI		0xf
 #define ID_AA64PFR0_FP_SUPPORTED	0x0
 #define ID_AA64PFR0_ASIMD_NI		0xf
 #define ID_AA64PFR0_ASIMD_SUPPORTED	0x0
-#define ID_AA64PFR0_EL1_64BIT_ONLY	0x1
-#define ID_AA64PFR0_EL1_32BIT_64BIT	0x2
-#define ID_AA64PFR0_EL0_64BIT_ONLY	0x1
-#define ID_AA64PFR0_EL0_32BIT_64BIT	0x2
+#define ID_AA64PFR0_ELx_64BIT_ONLY	0x1
+#define ID_AA64PFR0_ELx_32BIT_64BIT	0x2
 
 /* id_aa64pfr1 */
 #define ID_AA64PFR1_MPAMFRAC_SHIFT	16
@@ -753,6 +830,7 @@
 #define ID_AA64PFR1_MTE_NI		0x0
 #define ID_AA64PFR1_MTE_EL0		0x1
 #define ID_AA64PFR1_MTE			0x2
+#define ID_AA64PFR1_MTE_ASYMM		0x3
 
 /* id_aa64zfr0 */
 #define ID_AA64ZFR0_F64MM_SHIFT		56
@@ -792,6 +870,9 @@
 #define ID_AA64MMFR0_ASID_SHIFT		4
 #define ID_AA64MMFR0_PARANGE_SHIFT	0
 
+#define ID_AA64MMFR0_ASID_8		0x0
+#define ID_AA64MMFR0_ASID_16		0x2
+
 #define ID_AA64MMFR0_TGRAN4_NI			0xf
 #define ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN	0x0
 #define ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX	0x7
@@ -802,9 +883,16 @@
 #define ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN	0x1
 #define ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX	0xf
 
+#define ID_AA64MMFR0_PARANGE_32		0x0
+#define ID_AA64MMFR0_PARANGE_36		0x1
+#define ID_AA64MMFR0_PARANGE_40		0x2
+#define ID_AA64MMFR0_PARANGE_42		0x3
+#define ID_AA64MMFR0_PARANGE_44		0x4
 #define ID_AA64MMFR0_PARANGE_48		0x5
 #define ID_AA64MMFR0_PARANGE_52		0x6
 
+#define ARM64_MIN_PARANGE_BITS		32
+
 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_DEFAULT	0x0
 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE	0x1
 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MIN	0x2
@@ -851,6 +939,9 @@
 #define ID_AA64MMFR2_CNP_SHIFT		0
 
 /* id_aa64dfr0 */
+#define ID_AA64DFR0_MTPMU_SHIFT		48
+#define ID_AA64DFR0_TRBE_SHIFT		44
+#define ID_AA64DFR0_TRACE_FILT_SHIFT	40
 #define ID_AA64DFR0_DOUBLELOCK_SHIFT	36
 #define ID_AA64DFR0_PMSVER_SHIFT	32
 #define ID_AA64DFR0_CTX_CMPS_SHIFT	28
@@ -864,11 +955,15 @@
 #define ID_AA64DFR0_PMUVER_8_1		0x4
 #define ID_AA64DFR0_PMUVER_8_4		0x5
 #define ID_AA64DFR0_PMUVER_8_5		0x6
+#define ID_AA64DFR0_PMUVER_8_7		0x7
 #define ID_AA64DFR0_PMUVER_IMP_DEF	0xf
 
 #define ID_DFR0_PERFMON_SHIFT		24
 
+#define ID_DFR0_PERFMON_8_0		0x3
 #define ID_DFR0_PERFMON_8_1		0x4
+#define ID_DFR0_PERFMON_8_4		0x5
+#define ID_DFR0_PERFMON_8_5		0x6
 
 #define ID_ISAR4_SWP_FRAC_SHIFT		28
 #define ID_ISAR4_PSR_M_SHIFT		24
@@ -973,14 +1068,17 @@
 #define ID_AA64MMFR0_TGRAN_SHIFT		ID_AA64MMFR0_TGRAN4_SHIFT
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN	ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX	ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX
+#define ID_AA64MMFR0_TGRAN_2_SHIFT		ID_AA64MMFR0_TGRAN4_2_SHIFT
 #elif defined(CONFIG_ARM64_16K_PAGES)
 #define ID_AA64MMFR0_TGRAN_SHIFT		ID_AA64MMFR0_TGRAN16_SHIFT
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN	ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX	ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX
+#define ID_AA64MMFR0_TGRAN_2_SHIFT		ID_AA64MMFR0_TGRAN16_2_SHIFT
 #elif defined(CONFIG_ARM64_64K_PAGES)
 #define ID_AA64MMFR0_TGRAN_SHIFT		ID_AA64MMFR0_TGRAN64_SHIFT
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN	ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN
 #define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX	ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX
+#define ID_AA64MMFR0_TGRAN_2_SHIFT		ID_AA64MMFR0_TGRAN64_2_SHIFT
 #endif
 
 #define MVFR2_FPMISC_SHIFT		4
@@ -1010,6 +1108,21 @@
 #define SYS_GCR_EL1_RRND	(BIT(16))
 #define SYS_GCR_EL1_EXCL_MASK	0xffffUL
 
+#ifdef CONFIG_KASAN_HW_TAGS
+/*
+ * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it
+ * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF.
+ */
+#define __MTE_TAG_MIN		(KASAN_TAG_MIN & 0xf)
+#define __MTE_TAG_MAX		(KASAN_TAG_MAX & 0xf)
+#define __MTE_TAG_INCL		GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN)
+#define KERNEL_GCR_EL1_EXCL	(SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL)
+#else
+#define KERNEL_GCR_EL1_EXCL	SYS_GCR_EL1_EXCL_MASK
+#endif
+
+#define KERNEL_GCR_EL1		(SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL)
+
 /* RGSR_EL1 Definitions */
 #define SYS_RGSR_EL1_TAG_MASK	0xfUL
 #define SYS_RGSR_EL1_SEED_SHIFT	8
@@ -1028,6 +1141,81 @@
 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
 #define SYS_MPIDR_SAFE_VAL	(BIT(31))
 
+#define TRFCR_ELx_TS_SHIFT		5
+#define TRFCR_ELx_TS_VIRTUAL		((0x1UL) << TRFCR_ELx_TS_SHIFT)
+#define TRFCR_ELx_TS_GUEST_PHYSICAL	((0x2UL) << TRFCR_ELx_TS_SHIFT)
+#define TRFCR_ELx_TS_PHYSICAL		((0x3UL) << TRFCR_ELx_TS_SHIFT)
+#define TRFCR_EL2_CX			BIT(3)
+#define TRFCR_ELx_ExTRE			BIT(1)
+#define TRFCR_ELx_E0TRE			BIT(0)
+
+/* GIC Hypervisor interface registers */
+/* ICH_MISR_EL2 bit definitions */
+#define ICH_MISR_EOI		(1 << 0)
+#define ICH_MISR_U		(1 << 1)
+
+/* ICH_LR*_EL2 bit definitions */
+#define ICH_LR_VIRTUAL_ID_MASK	((1ULL << 32) - 1)
+
+#define ICH_LR_EOI		(1ULL << 41)
+#define ICH_LR_GROUP		(1ULL << 60)
+#define ICH_LR_HW		(1ULL << 61)
+#define ICH_LR_STATE		(3ULL << 62)
+#define ICH_LR_PENDING_BIT	(1ULL << 62)
+#define ICH_LR_ACTIVE_BIT	(1ULL << 63)
+#define ICH_LR_PHYS_ID_SHIFT	32
+#define ICH_LR_PHYS_ID_MASK	(0x3ffULL << ICH_LR_PHYS_ID_SHIFT)
+#define ICH_LR_PRIORITY_SHIFT	48
+#define ICH_LR_PRIORITY_MASK	(0xffULL << ICH_LR_PRIORITY_SHIFT)
+
+/* ICH_HCR_EL2 bit definitions */
+#define ICH_HCR_EN		(1 << 0)
+#define ICH_HCR_UIE		(1 << 1)
+#define ICH_HCR_NPIE		(1 << 3)
+#define ICH_HCR_TC		(1 << 10)
+#define ICH_HCR_TALL0		(1 << 11)
+#define ICH_HCR_TALL1		(1 << 12)
+#define ICH_HCR_TDIR		(1 << 14)
+#define ICH_HCR_EOIcount_SHIFT	27
+#define ICH_HCR_EOIcount_MASK	(0x1f << ICH_HCR_EOIcount_SHIFT)
+
+/* ICH_VMCR_EL2 bit definitions */
+#define ICH_VMCR_ACK_CTL_SHIFT	2
+#define ICH_VMCR_ACK_CTL_MASK	(1 << ICH_VMCR_ACK_CTL_SHIFT)
+#define ICH_VMCR_FIQ_EN_SHIFT	3
+#define ICH_VMCR_FIQ_EN_MASK	(1 << ICH_VMCR_FIQ_EN_SHIFT)
+#define ICH_VMCR_CBPR_SHIFT	4
+#define ICH_VMCR_CBPR_MASK	(1 << ICH_VMCR_CBPR_SHIFT)
+#define ICH_VMCR_EOIM_SHIFT	9
+#define ICH_VMCR_EOIM_MASK	(1 << ICH_VMCR_EOIM_SHIFT)
+#define ICH_VMCR_BPR1_SHIFT	18
+#define ICH_VMCR_BPR1_MASK	(7 << ICH_VMCR_BPR1_SHIFT)
+#define ICH_VMCR_BPR0_SHIFT	21
+#define ICH_VMCR_BPR0_MASK	(7 << ICH_VMCR_BPR0_SHIFT)
+#define ICH_VMCR_PMR_SHIFT	24
+#define ICH_VMCR_PMR_MASK	(0xffUL << ICH_VMCR_PMR_SHIFT)
+#define ICH_VMCR_ENG0_SHIFT	0
+#define ICH_VMCR_ENG0_MASK	(1 << ICH_VMCR_ENG0_SHIFT)
+#define ICH_VMCR_ENG1_SHIFT	1
+#define ICH_VMCR_ENG1_MASK	(1 << ICH_VMCR_ENG1_SHIFT)
+
+/* ICH_VTR_EL2 bit definitions */
+#define ICH_VTR_PRI_BITS_SHIFT	29
+#define ICH_VTR_PRI_BITS_MASK	(7 << ICH_VTR_PRI_BITS_SHIFT)
+#define ICH_VTR_ID_BITS_SHIFT	23
+#define ICH_VTR_ID_BITS_MASK	(7 << ICH_VTR_ID_BITS_SHIFT)
+#define ICH_VTR_SEIS_SHIFT	22
+#define ICH_VTR_SEIS_MASK	(1 << ICH_VTR_SEIS_SHIFT)
+#define ICH_VTR_A3V_SHIFT	21
+#define ICH_VTR_A3V_MASK	(1 << ICH_VTR_A3V_SHIFT)
+#define ICH_VTR_TDS_SHIFT	19
+#define ICH_VTR_TDS_MASK	(1 << ICH_VTR_TDS_SHIFT)
+
+#define ARM64_FEATURE_FIELD_BITS	4
+
+/* Create a mask for the feature bits of the specified feature. */
+#define ARM64_FEATURE_MASK(x)	(GENMASK_ULL(x##_SHIFT + ARM64_FEATURE_FIELD_BITS - 1, x##_SHIFT))
+
 #ifdef __ASSEMBLY__
 
 	.irp	num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
diff --git a/arch/arm64/include/asm/system_misc.h b/arch/arm64/include/asm/system_misc.h
index 624a608..305a715 100644
--- a/arch/arm64/include/asm/system_misc.h
+++ b/arch/arm64/include/asm/system_misc.h
@@ -18,11 +18,11 @@
 
 struct pt_regs;
 
-void die(const char *msg, struct pt_regs *regs, long err);
+void die(const char *msg, struct pt_regs *regs, int err);
 
 struct siginfo;
 void arm64_notify_die(const char *str, struct pt_regs *regs,
-		      int signo, int sicode, void __user *addr,
+		      int signo, int sicode, unsigned long far,
 		      int err);
 
 void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
@@ -32,8 +32,6 @@
 struct mm_struct;
 extern void __show_regs(struct pt_regs *);
 
-extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
-
 #endif	/* __ASSEMBLY__ */
 
 #endif	/* __ASM_SYSTEM_MISC_H */
diff --git a/arch/arm64/include/asm/traps.h b/arch/arm64/include/asm/traps.h
index ca8f199..54f32a0 100644
--- a/arch/arm64/include/asm/traps.h
+++ b/arch/arm64/include/asm/traps.h
@@ -13,21 +13,22 @@
 
 struct pt_regs;
 
-#ifdef CONFIG_ARMV8_DEPRECATED
-bool try_emulate_armv8_deprecated(struct pt_regs *regs, u32 insn);
-#else
-static inline bool
-try_emulate_armv8_deprecated(struct pt_regs *regs, u32 insn)
-{
-	return false;
-}
-#endif /* CONFIG_ARMV8_DEPRECATED */
+struct undef_hook {
+	struct list_head node;
+	u32 instr_mask;
+	u32 instr_val;
+	u64 pstate_mask;
+	u64 pstate_val;
+	int (*fn)(struct pt_regs *regs, u32 instr);
+};
 
+void register_undef_hook(struct undef_hook *hook);
+void unregister_undef_hook(struct undef_hook *hook);
 void force_signal_inject(int signal, int code, unsigned long address, unsigned int err);
 void arm64_notify_segfault(unsigned long addr);
-void arm64_force_sig_fault(int signo, int code, void __user *addr, const char *str);
-void arm64_force_sig_mceerr(int code, void __user *addr, short lsb, const char *str);
-void arm64_force_sig_ptrace_errno_trap(int errno, void __user *addr, const char *str);
+void arm64_force_sig_fault(int signo, int code, unsigned long far, const char *str);
+void arm64_force_sig_mceerr(int code, unsigned long far, short lsb, const char *str);
+void arm64_force_sig_ptrace_errno_trap(int errno, unsigned long far, const char *str);
 
 /*
  * Move regs->pc to next instruction and do necessary setup before it
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 385a189..e4a69f5 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -20,10 +20,13 @@
 
 #include <asm/cpufeature.h>
 #include <asm/mmu.h>
+#include <asm/mte.h>
 #include <asm/ptrace.h>
 #include <asm/memory.h>
 #include <asm/extable.h>
 
+#define HAVE_GET_KERNEL_NOFAULT
+
 #define get_fs()	(current_thread_info()->addr_limit)
 
 static inline void set_fs(mm_segment_t fs)
@@ -200,13 +203,63 @@
 				CONFIG_ARM64_PAN));			\
 } while (0)
 
-static inline void uaccess_disable(void)
+/*
+ * The Tag Check Flag (TCF) mode for MTE is per EL, hence TCF0
+ * affects EL0 and TCF affects EL1 irrespective of which TTBR is
+ * used.
+ * The kernel accesses TTBR0 usually with LDTR/STTR instructions
+ * when UAO is available, so these would act as EL0 accesses using
+ * TCF0.
+ * However futex.h code uses exclusives which would be executed as
+ * EL1, this can potentially cause a tag check fault even if the
+ * user disables TCF0.
+ *
+ * To address the problem we set the PSTATE.TCO bit in uaccess_enable()
+ * and reset it in uaccess_disable().
+ *
+ * The Tag check override (TCO) bit disables temporarily the tag checking
+ * preventing the issue.
+ */
+static inline void __uaccess_disable_tco(void)
 {
+	asm volatile(ALTERNATIVE("nop", SET_PSTATE_TCO(0),
+				 ARM64_MTE, CONFIG_KASAN_HW_TAGS));
+}
+
+static inline void __uaccess_enable_tco(void)
+{
+	asm volatile(ALTERNATIVE("nop", SET_PSTATE_TCO(1),
+				 ARM64_MTE, CONFIG_KASAN_HW_TAGS));
+}
+
+/*
+ * These functions disable tag checking only if in MTE async mode
+ * since the sync mode generates exceptions synchronously and the
+ * nofault or load_unaligned_zeropad can handle them.
+ */
+static inline void __uaccess_disable_tco_async(void)
+{
+	if (system_uses_mte_async_or_asymm_mode())
+		 __uaccess_disable_tco();
+}
+
+static inline void __uaccess_enable_tco_async(void)
+{
+	if (system_uses_mte_async_or_asymm_mode())
+		__uaccess_enable_tco();
+}
+
+static inline void uaccess_disable_privileged(void)
+{
+	__uaccess_disable_tco();
+
 	__uaccess_disable(ARM64_HAS_PAN);
 }
 
-static inline void uaccess_enable(void)
+static inline void uaccess_enable_privileged(void)
 {
+	__uaccess_enable_tco();
+
 	__uaccess_enable(ARM64_HAS_PAN);
 }
 
@@ -253,10 +306,9 @@
  * The "__xxx_error" versions set the third argument to -EFAULT if an error
  * occurs, and leave it unchanged on success.
  */
-#define __get_user_asm(instr, alt_instr, reg, x, addr, err, feature)	\
+#define __get_mem_asm(load, reg, x, addr, err)				\
 	asm volatile(							\
-	"1:"ALTERNATIVE(instr "     " reg "1, [%2]\n",			\
-			alt_instr " " reg "1, [%2]\n", feature)		\
+	"1:	" load "	" reg "1, [%2]\n"			\
 	"2:\n"								\
 	"	.section .fixup, \"ax\"\n"				\
 	"	.align	2\n"						\
@@ -268,35 +320,46 @@
 	: "+r" (err), "=&r" (x)						\
 	: "r" (addr), "i" (-EFAULT))
 
-#define __raw_get_user(x, ptr, err)					\
+#define __raw_get_mem(ldr, x, ptr, err)					\
 do {									\
 	unsigned long __gu_val;						\
-	__chk_user_ptr(ptr);						\
-	uaccess_enable_not_uao();					\
 	switch (sizeof(*(ptr))) {					\
 	case 1:								\
-		__get_user_asm("ldrb", "ldtrb", "%w", __gu_val, (ptr),  \
-			       (err), ARM64_HAS_UAO);			\
+		__get_mem_asm(ldr "b", "%w", __gu_val, (ptr), (err));	\
 		break;							\
 	case 2:								\
-		__get_user_asm("ldrh", "ldtrh", "%w", __gu_val, (ptr),  \
-			       (err), ARM64_HAS_UAO);			\
+		__get_mem_asm(ldr "h", "%w", __gu_val, (ptr), (err));	\
 		break;							\
 	case 4:								\
-		__get_user_asm("ldr", "ldtr", "%w", __gu_val, (ptr),	\
-			       (err), ARM64_HAS_UAO);			\
+		__get_mem_asm(ldr, "%w", __gu_val, (ptr), (err));	\
 		break;							\
 	case 8:								\
-		__get_user_asm("ldr", "ldtr", "%x",  __gu_val, (ptr),	\
-			       (err), ARM64_HAS_UAO);			\
+		__get_mem_asm(ldr, "%x",  __gu_val, (ptr), (err));	\
 		break;							\
 	default:							\
 		BUILD_BUG();						\
 	}								\
-	uaccess_disable_not_uao();					\
 	(x) = (__force __typeof__(*(ptr)))__gu_val;			\
 } while (0)
 
+/*
+ * We must not call into the scheduler between uaccess_enable_not_uao() and
+ * uaccess_disable_not_uao(). As `x` and `ptr` could contain blocking functions,
+ * we must evaluate these outside of the critical section.
+ */
+#define __raw_get_user(x, ptr, err)					\
+do {									\
+	__typeof__(*(ptr)) __user *__rgu_ptr = (ptr);			\
+	__typeof__(x) __rgu_val;					\
+	__chk_user_ptr(ptr);						\
+									\
+	uaccess_enable_not_uao();					\
+	__raw_get_mem("ldtr", __rgu_val, __rgu_ptr, err);		\
+	uaccess_disable_not_uao();					\
+									\
+	(x) = __rgu_val;						\
+} while (0)
+
 #define __get_user_error(x, ptr, err)					\
 do {									\
 	__typeof__(*(ptr)) __user *__p = (ptr);				\
@@ -318,10 +381,29 @@
 
 #define get_user	__get_user
 
-#define __put_user_asm(instr, alt_instr, reg, x, addr, err, feature)	\
+/*
+ * We must not call into the scheduler between __uaccess_enable_tco_async() and
+ * __uaccess_disable_tco_async(). As `dst` and `src` may contain blocking
+ * functions, we must evaluate these outside of the critical section.
+ */
+#define __get_kernel_nofault(dst, src, type, err_label)			\
+do {									\
+	__typeof__(dst) __gkn_dst = (dst);				\
+	__typeof__(src) __gkn_src = (src);				\
+	int __gkn_err = 0;						\
+									\
+	__uaccess_enable_tco_async();					\
+	__raw_get_mem("ldr", *((type *)(__gkn_dst)),			\
+		      (__force type *)(__gkn_src), __gkn_err);		\
+	__uaccess_disable_tco_async();					\
+									\
+	if (unlikely(__gkn_err))					\
+		goto err_label;						\
+} while (0)
+
+#define __put_mem_asm(store, reg, x, addr, err)				\
 	asm volatile(							\
-	"1:"ALTERNATIVE(instr "     " reg "1, [%2]\n",			\
-			alt_instr " " reg "1, [%2]\n", feature)		\
+	"1:	" store "	" reg "1, [%2]\n"			\
 	"2:\n"								\
 	"	.section .fixup,\"ax\"\n"				\
 	"	.align	2\n"						\
@@ -332,31 +414,40 @@
 	: "+r" (err)							\
 	: "r" (x), "r" (addr), "i" (-EFAULT))
 
-#define __raw_put_user(x, ptr, err)					\
+#define __raw_put_mem(str, x, ptr, err)					\
 do {									\
 	__typeof__(*(ptr)) __pu_val = (x);				\
-	__chk_user_ptr(ptr);						\
-	uaccess_enable_not_uao();					\
 	switch (sizeof(*(ptr))) {					\
 	case 1:								\
-		__put_user_asm("strb", "sttrb", "%w", __pu_val, (ptr),	\
-			       (err), ARM64_HAS_UAO);			\
+		__put_mem_asm(str "b", "%w", __pu_val, (ptr), (err));	\
 		break;							\
 	case 2:								\
-		__put_user_asm("strh", "sttrh", "%w", __pu_val, (ptr),	\
-			       (err), ARM64_HAS_UAO);			\
+		__put_mem_asm(str "h", "%w", __pu_val, (ptr), (err));	\
 		break;							\
 	case 4:								\
-		__put_user_asm("str", "sttr", "%w", __pu_val, (ptr),	\
-			       (err), ARM64_HAS_UAO);			\
+		__put_mem_asm(str, "%w", __pu_val, (ptr), (err));	\
 		break;							\
 	case 8:								\
-		__put_user_asm("str", "sttr", "%x", __pu_val, (ptr),	\
-			       (err), ARM64_HAS_UAO);			\
+		__put_mem_asm(str, "%x", __pu_val, (ptr), (err));	\
 		break;							\
 	default:							\
 		BUILD_BUG();						\
 	}								\
+} while (0)
+
+/*
+ * We must not call into the scheduler between uaccess_enable_not_uao() and
+ * uaccess_disable_not_uao(). As `x` and `ptr` could contain blocking functions,
+ * we must evaluate these outside of the critical section.
+ */
+#define __raw_put_user(x, ptr, err)					\
+do {									\
+	__typeof__(*(ptr)) __user *__rpu_ptr = (ptr);			\
+	__typeof__(*(ptr)) __rpu_val = (x);				\
+	__chk_user_ptr(__rpu_ptr);					\
+									\
+	uaccess_enable_not_uao();					\
+	__raw_put_mem("sttr", __rpu_val, __rpu_ptr, err);		\
 	uaccess_disable_not_uao();					\
 } while (0)
 
@@ -381,6 +472,26 @@
 
 #define put_user	__put_user
 
+/*
+ * We must not call into the scheduler between __uaccess_enable_tco_async() and
+ * __uaccess_disable_tco_async(). As `dst` and `src` may contain blocking
+ * functions, we must evaluate these outside of the critical section.
+ */
+#define __put_kernel_nofault(dst, src, type, err_label)			\
+do {									\
+	__typeof__(dst) __pkn_dst = (dst);				\
+	__typeof__(src) __pkn_src = (src);				\
+	int __pkn_err = 0;						\
+									\
+	__uaccess_enable_tco_async();					\
+	__raw_put_mem("str", *((type *)(__pkn_src)),			\
+		      (__force type *)(__pkn_dst), __pkn_err);		\
+	__uaccess_disable_tco_async();					\
+									\
+	if (unlikely(__pkn_err))					\
+		goto err_label;						\
+} while(0)
+
 extern unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n);
 #define raw_copy_from_user(to, from, n)					\
 ({									\
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index b3b2019..3cb206a 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -38,7 +38,7 @@
 #define __ARM_NR_compat_set_tls		(__ARM_NR_COMPAT_BASE + 5)
 #define __ARM_NR_COMPAT_END		(__ARM_NR_COMPAT_BASE + 0x800)
 
-#define __NR_compat_syscalls		441
+#define __NR_compat_syscalls		449
 #endif
 
 #define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 107f08e..7ae50cc 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -889,6 +889,8 @@
 __SYSCALL(__NR_faccessat2, sys_faccessat2)
 #define __NR_process_madvise 440
 __SYSCALL(__NR_process_madvise, sys_process_madvise)
+#define __NR_process_mrelease 448
+__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
 
 /*
  * Please add new compat syscalls above this comment and update
diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h
index 6069be5..8bc48de 100644
--- a/arch/arm64/include/asm/virt.h
+++ b/arch/arm64/include/asm/virt.h
@@ -35,8 +35,13 @@
  */
 #define HVC_RESET_VECTORS 2
 
+/*
+ * HVC_VHE_RESTART - Upgrade the CPU from EL1 to EL2, if possible
+ */
+#define HVC_VHE_RESTART	3
+
 /* Max number of HYP stub hypercalls */
-#define HVC_STUB_HCALL_NR 3
+#define HVC_STUB_HCALL_NR 4
 
 /* Error returned when an invalid stub number is passed into x0 */
 #define HVC_STUB_ERR	0xbadca11
@@ -65,9 +70,24 @@
 void __hyp_set_vectors(phys_addr_t phys_vector_base);
 void __hyp_reset_vectors(void);
 
+DECLARE_STATIC_KEY_FALSE(kvm_protected_mode_initialized);
+
+static inline bool is_pkvm_initialized(void)
+{
+	return IS_ENABLED(CONFIG_KVM) &&
+	       static_branch_likely(&kvm_protected_mode_initialized);
+}
+
 /* Reports the availability of HYP mode */
 static inline bool is_hyp_mode_available(void)
 {
+	/*
+	 * If KVM protected mode is initialized, all CPUs must have been booted
+	 * in EL2. Avoid checking __boot_cpu_mode as CPUs now come up in EL1.
+	 */
+	if (is_pkvm_initialized())
+		return true;
+
 	return (__boot_cpu_mode[0] == BOOT_CPU_MODE_EL2 &&
 		__boot_cpu_mode[1] == BOOT_CPU_MODE_EL2);
 }
@@ -75,6 +95,13 @@
 /* Check if the bootloader has booted CPUs in different modes */
 static inline bool is_hyp_mode_mismatched(void)
 {
+	/*
+	 * If KVM protected mode is initialized, all CPUs must have been booted
+	 * in EL2. Avoid checking __boot_cpu_mode as CPUs now come up in EL1.
+	 */
+	if (is_pkvm_initialized())
+		return false;
+
 	return __boot_cpu_mode[0] != __boot_cpu_mode[1];
 }
 
@@ -88,6 +115,9 @@
 	/*
 	 * Code only run in VHE/NVHE hyp context can assume VHE is present or
 	 * absent. Otherwise fall back to caps.
+	 * This allows the compiler to discard VHE-specific code from the
+	 * nVHE object, reducing the number of external symbol references
+	 * needed to link.
 	 */
 	if (is_vhe_hyp_code())
 		return true;
@@ -97,6 +127,14 @@
 		return cpus_have_final_cap(ARM64_HAS_VIRT_HOST_EXTN);
 }
 
+static __always_inline bool is_protected_kvm_enabled(void)
+{
+	if (is_vhe_hyp_code())
+		return false;
+	else
+		return cpus_have_final_cap(ARM64_KVM_PROTECTED_MODE);
+}
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* ! __ASM__VIRT_H */
diff --git a/arch/arm64/include/asm/vmalloc.h b/arch/arm64/include/asm/vmalloc.h
index 2ca708a..ac64f37 100644
--- a/arch/arm64/include/asm/vmalloc.h
+++ b/arch/arm64/include/asm/vmalloc.h
@@ -1,4 +1,13 @@
 #ifndef _ASM_ARM64_VMALLOC_H
 #define _ASM_ARM64_VMALLOC_H
 
+#include <asm/page.h>
+#include <asm/pgtable.h>
+
+#define arch_vmap_pgprot_tagged arch_vmap_pgprot_tagged
+static inline pgprot_t arch_vmap_pgprot_tagged(pgprot_t prot)
+{
+	return pgprot_tagged(prot);
+}
+
 #endif /* _ASM_ARM64_VMALLOC_H */
diff --git a/arch/arm64/include/asm/vmap_stack.h b/arch/arm64/include/asm/vmap_stack.h
index 894e031..2087309 100644
--- a/arch/arm64/include/asm/vmap_stack.h
+++ b/arch/arm64/include/asm/vmap_stack.h
@@ -17,10 +17,13 @@
  */
 static inline unsigned long *arch_alloc_vmap_stack(size_t stack_size, int node)
 {
+	void *p;
+
 	BUILD_BUG_ON(!IS_ENABLED(CONFIG_VMAP_STACK));
 
-	return __vmalloc_node(stack_size, THREAD_ALIGN, THREADINFO_GFP, node,
+	p = __vmalloc_node(stack_size, THREAD_ALIGN, THREADINFO_GFP, node,
 			__builtin_return_address(0));
+	return kasan_reset_tag(p);
 }
 
 #endif /* __ASM_VMAP_STACK_H */
diff --git a/arch/arm64/include/asm/word-at-a-time.h b/arch/arm64/include/asm/word-at-a-time.h
index ea48721..2dcb104 100644
--- a/arch/arm64/include/asm/word-at-a-time.h
+++ b/arch/arm64/include/asm/word-at-a-time.h
@@ -55,6 +55,8 @@
 {
 	unsigned long ret, tmp;
 
+	__uaccess_enable_tco_async();
+
 	/* Load word from unaligned pointer addr */
 	asm(
 	"1:	ldr	%0, %3\n"
@@ -76,6 +78,8 @@
 	: "=&r" (ret), "=&r" (tmp)
 	: "r" (addr), "Q" (*(unsigned long *)addr));
 
+	__uaccess_disable_tco_async();
+
 	return ret;
 }
 
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h
index f037318..99cb5d3 100644
--- a/arch/arm64/include/uapi/asm/hwcap.h
+++ b/arch/arm64/include/uapi/asm/hwcap.h
@@ -78,5 +78,6 @@
 #define HWCAP2_ECV		(1 << 19)
 #define HWCAP2_AFP		(1 << 20)
 #define HWCAP2_RPRES		(1 << 21)
+#define HWCAP2_MTE3		(1 << 22)
 
 #endif /* _UAPI__ASM_HWCAP_H */
diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h
index 531ff62..0c93ab4 100644
--- a/arch/arm64/include/uapi/asm/kvm.h
+++ b/arch/arm64/include/uapi/asm/kvm.h
@@ -156,9 +156,6 @@
 	__u64 device_irq_level;
 };
 
-struct kvm_arch_memory_slot {
-};
-
 /*
  * PMU filter structure. Describe a range of events with a particular
  * action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER.
@@ -187,6 +184,17 @@
 	__u32 reserved[12];
 };
 
+struct kvm_arm_copy_mte_tags {
+	__u64 guest_ipa;
+	__u64 length;
+	void __user *addr;
+	__u64 flags;
+	__u64 reserved[2];
+};
+
+#define KVM_ARM_TAGS_TO_GUEST		0
+#define KVM_ARM_TAGS_FROM_GUEST		1
+
 /* If you need to interpret the index values, here is the key: */
 #define KVM_REG_ARM_COPROC_MASK		0x000000000FFF0000
 #define KVM_REG_ARM_COPROC_SHIFT	16
@@ -410,6 +418,22 @@
 #define KVM_PSCI_RET_INVAL		PSCI_RET_INVALID_PARAMS
 #define KVM_PSCI_RET_DENIED		PSCI_RET_DENIED
 
+/* arm64-specific kvm_run::system_event flags */
+/*
+ * Reset caused by a PSCI v1.1 SYSTEM_RESET2 call.
+ * Valid only when the system event has a type of KVM_SYSTEM_EVENT_RESET.
+ */
+#define KVM_SYSTEM_EVENT_RESET_FLAG_PSCI_RESET2	(1ULL << 0)
+
+/* Protected KVM */
+#define KVM_CAP_ARM_PROTECTED_VM_FLAGS_SET_FW_IPA	0
+#define KVM_CAP_ARM_PROTECTED_VM_FLAGS_INFO		1
+
+struct kvm_protected_vm_info {
+	__u64 firmware_size;
+	__u64 __reserved[7];
+};
+
 #endif
 
 #endif /* __ARM_KVM_H__ */
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index bbaf0bc..2262f03 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -17,7 +17,7 @@
 			   return_address.o cpuinfo.o cpu_errata.o		\
 			   cpufeature.o alternative.o cacheinfo.o		\
 			   smp.o smp_spin_table.o topology.o smccc-call.o	\
-			   syscall.o proton-pack.o
+			   syscall.o proton-pack.o idreg-override.o
 
 targets			+= efi-entry.o
 
@@ -58,7 +58,6 @@
 obj-$(CONFIG_CRASH_CORE)		+= crash_core.o
 obj-$(CONFIG_ARM_SDE_INTERFACE)		+= sdei.o
 obj-$(CONFIG_ARM64_PTR_AUTH)		+= pointer_auth.o
-obj-$(CONFIG_SHADOW_CALL_STACK)		+= scs.o
 obj-$(CONFIG_ARM64_MTE)			+= mte.o
 
 obj-y					+= vdso/ probes/
diff --git a/arch/arm64/kernel/acpi_parking_protocol.c b/arch/arm64/kernel/acpi_parking_protocol.c
index e7c941d..e7f3af6 100644
--- a/arch/arm64/kernel/acpi_parking_protocol.c
+++ b/arch/arm64/kernel/acpi_parking_protocol.c
@@ -99,7 +99,7 @@
 	 * that read this address need to convert this address to the
 	 * Boot-Loader's endianness before jumping.
 	 */
-	writeq_relaxed(__pa_symbol(secondary_entry), &mailbox->entry_point);
+	writeq_relaxed(__pa_function(secondary_entry), &mailbox->entry_point);
 	writel_relaxed(cpu_entry->gic_cpu_id, &mailbox->cpu_id);
 
 	arch_send_wakeup_ipi_mask(cpumask_of(cpu));
diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c
index 5f8e4c2..f693e45 100644
--- a/arch/arm64/kernel/alternative.c
+++ b/arch/arm64/kernel/alternative.c
@@ -21,7 +21,8 @@
 #define ALT_ORIG_PTR(a)		__ALT_PTR(a, orig_offset)
 #define ALT_REPL_PTR(a)		__ALT_PTR(a, alt_offset)
 
-static int all_alternatives_applied;
+/* Volatile, as we may be patching the guts of READ_ONCE() */
+static volatile int all_alternatives_applied;
 
 static DECLARE_BITMAP(applied_alternatives, ARM64_NCAPS);
 
@@ -132,8 +133,8 @@
 	} while (cur += d_size, cur < end);
 }
 
-static void __apply_alternatives(void *alt_region,  bool is_module,
-				 unsigned long *feature_mask)
+static void __nocfi __apply_alternatives(void *alt_region,  bool is_module,
+					 unsigned long *feature_mask)
 {
 	struct alt_instr *alt;
 	struct alt_region *region = alt_region;
@@ -181,7 +182,7 @@
 	 */
 	if (!is_module) {
 		dsb(ish);
-		__flush_icache_all();
+		icache_inval_all_pou();
 		isb();
 
 		/* Ignore ARM64_CB bit from feature mask */
@@ -205,7 +206,7 @@
 
 	/* We always have a CPU 0 at this point (__init) */
 	if (smp_processor_id()) {
-		while (!READ_ONCE(all_alternatives_applied))
+		while (!all_alternatives_applied)
 			cpu_relax();
 		isb();
 	} else {
@@ -217,7 +218,7 @@
 		BUG_ON(all_alternatives_applied);
 		__apply_alternatives(&region, false, remaining_capabilities);
 		/* Barriers provided by the cache flushing */
-		WRITE_ONCE(all_alternatives_applied, 1);
+		all_alternatives_applied = 1;
 	}
 
 	return 0;
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index f0ba854..c5da9d1 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -17,6 +17,7 @@
 #include <asm/sysreg.h>
 #include <asm/system_misc.h>
 #include <asm/traps.h>
+#include <asm/kprobes.h>
 
 #define CREATE_TRACE_POINTS
 #include "trace-events-emulation.h"
@@ -38,46 +39,226 @@
 enum legacy_insn_status {
 	INSN_DEPRECATED,
 	INSN_OBSOLETE,
-	INSN_UNAVAILABLE,
+};
+
+struct insn_emulation_ops {
+	const char		*name;
+	enum legacy_insn_status	status;
+	struct undef_hook	*hooks;
+	int			(*set_hw_mode)(bool enable);
 };
 
 struct insn_emulation {
-	const char			*name;
-	enum legacy_insn_status		status;
-	bool				(*try_emulate)(struct pt_regs *regs,
-						       u32 insn);
-	int				(*set_hw_mode)(bool enable);
-
+	struct list_head node;
+	struct insn_emulation_ops *ops;
 	int current_mode;
 	int min;
 	int max;
-
-	/*
-	 * sysctl for this emulation + a sentinal entry.
-	 */
-	struct ctl_table sysctl[2];
 };
 
-#define ARM_OPCODE_CONDTEST_FAIL   0
-#define ARM_OPCODE_CONDTEST_PASS   1
-#define ARM_OPCODE_CONDTEST_UNCOND 2
+static LIST_HEAD(insn_emulation);
+static int nr_insn_emulated __initdata;
+static DEFINE_RAW_SPINLOCK(insn_emulation_lock);
+static DEFINE_MUTEX(insn_emulation_mutex);
 
-#define	ARM_OPCODE_CONDITION_UNCOND	0xf
-
-static unsigned int __maybe_unused aarch32_check_condition(u32 opcode, u32 psr)
+static void register_emulation_hooks(struct insn_emulation_ops *ops)
 {
-	u32 cc_bits  = opcode >> 28;
+	struct undef_hook *hook;
 
-	if (cc_bits != ARM_OPCODE_CONDITION_UNCOND) {
-		if ((*aarch32_opcode_cond_checks[cc_bits])(psr))
-			return ARM_OPCODE_CONDTEST_PASS;
-		else
-			return ARM_OPCODE_CONDTEST_FAIL;
-	}
-	return ARM_OPCODE_CONDTEST_UNCOND;
+	BUG_ON(!ops->hooks);
+
+	for (hook = ops->hooks; hook->instr_mask; hook++)
+		register_undef_hook(hook);
+
+	pr_notice("Registered %s emulation handler\n", ops->name);
 }
 
-#ifdef CONFIG_SWP_EMULATION
+static void remove_emulation_hooks(struct insn_emulation_ops *ops)
+{
+	struct undef_hook *hook;
+
+	BUG_ON(!ops->hooks);
+
+	for (hook = ops->hooks; hook->instr_mask; hook++)
+		unregister_undef_hook(hook);
+
+	pr_notice("Removed %s emulation handler\n", ops->name);
+}
+
+static void enable_insn_hw_mode(void *data)
+{
+	struct insn_emulation *insn = (struct insn_emulation *)data;
+	if (insn->ops->set_hw_mode)
+		insn->ops->set_hw_mode(true);
+}
+
+static void disable_insn_hw_mode(void *data)
+{
+	struct insn_emulation *insn = (struct insn_emulation *)data;
+	if (insn->ops->set_hw_mode)
+		insn->ops->set_hw_mode(false);
+}
+
+/* Run set_hw_mode(mode) on all active CPUs */
+static int run_all_cpu_set_hw_mode(struct insn_emulation *insn, bool enable)
+{
+	if (!insn->ops->set_hw_mode)
+		return -EINVAL;
+	if (enable)
+		on_each_cpu(enable_insn_hw_mode, (void *)insn, true);
+	else
+		on_each_cpu(disable_insn_hw_mode, (void *)insn, true);
+	return 0;
+}
+
+/*
+ * Run set_hw_mode for all insns on a starting CPU.
+ * Returns:
+ *  0 		- If all the hooks ran successfully.
+ * -EINVAL	- At least one hook is not supported by the CPU.
+ */
+static int run_all_insn_set_hw_mode(unsigned int cpu)
+{
+	int rc = 0;
+	unsigned long flags;
+	struct insn_emulation *insn;
+
+	raw_spin_lock_irqsave(&insn_emulation_lock, flags);
+	list_for_each_entry(insn, &insn_emulation, node) {
+		bool enable = (insn->current_mode == INSN_HW);
+		if (insn->ops->set_hw_mode && insn->ops->set_hw_mode(enable)) {
+			pr_warn("CPU[%u] cannot support the emulation of %s",
+				cpu, insn->ops->name);
+			rc = -EINVAL;
+		}
+	}
+	raw_spin_unlock_irqrestore(&insn_emulation_lock, flags);
+	return rc;
+}
+
+static int update_insn_emulation_mode(struct insn_emulation *insn,
+				       enum insn_emulation_mode prev)
+{
+	int ret = 0;
+
+	switch (prev) {
+	case INSN_UNDEF: /* Nothing to be done */
+		break;
+	case INSN_EMULATE:
+		remove_emulation_hooks(insn->ops);
+		break;
+	case INSN_HW:
+		if (!run_all_cpu_set_hw_mode(insn, false))
+			pr_notice("Disabled %s support\n", insn->ops->name);
+		break;
+	}
+
+	switch (insn->current_mode) {
+	case INSN_UNDEF:
+		break;
+	case INSN_EMULATE:
+		register_emulation_hooks(insn->ops);
+		break;
+	case INSN_HW:
+		ret = run_all_cpu_set_hw_mode(insn, true);
+		if (!ret)
+			pr_notice("Enabled %s support\n", insn->ops->name);
+		break;
+	}
+
+	return ret;
+}
+
+static void __init register_insn_emulation(struct insn_emulation_ops *ops)
+{
+	unsigned long flags;
+	struct insn_emulation *insn;
+
+	insn = kzalloc(sizeof(*insn), GFP_KERNEL);
+	if (!insn)
+		return;
+
+	insn->ops = ops;
+	insn->min = INSN_UNDEF;
+
+	switch (ops->status) {
+	case INSN_DEPRECATED:
+		insn->current_mode = INSN_EMULATE;
+		/* Disable the HW mode if it was turned on at early boot time */
+		run_all_cpu_set_hw_mode(insn, false);
+		insn->max = INSN_HW;
+		break;
+	case INSN_OBSOLETE:
+		insn->current_mode = INSN_UNDEF;
+		insn->max = INSN_EMULATE;
+		break;
+	}
+
+	raw_spin_lock_irqsave(&insn_emulation_lock, flags);
+	list_add(&insn->node, &insn_emulation);
+	nr_insn_emulated++;
+	raw_spin_unlock_irqrestore(&insn_emulation_lock, flags);
+
+	/* Register any handlers if required */
+	update_insn_emulation_mode(insn, INSN_UNDEF);
+}
+
+static int emulation_proc_handler(struct ctl_table *table, int write,
+				  void *buffer, size_t *lenp,
+				  loff_t *ppos)
+{
+	int ret = 0;
+	struct insn_emulation *insn = container_of(table->data, struct insn_emulation, current_mode);
+	enum insn_emulation_mode prev_mode = insn->current_mode;
+
+	mutex_lock(&insn_emulation_mutex);
+	ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+
+	if (ret || !write || prev_mode == insn->current_mode)
+		goto ret;
+
+	ret = update_insn_emulation_mode(insn, prev_mode);
+	if (ret) {
+		/* Mode change failed, revert to previous mode. */
+		insn->current_mode = prev_mode;
+		update_insn_emulation_mode(insn, INSN_UNDEF);
+	}
+ret:
+	mutex_unlock(&insn_emulation_mutex);
+	return ret;
+}
+
+static void __init register_insn_emulation_sysctl(void)
+{
+	unsigned long flags;
+	int i = 0;
+	struct insn_emulation *insn;
+	struct ctl_table *insns_sysctl, *sysctl;
+
+	insns_sysctl = kcalloc(nr_insn_emulated + 1, sizeof(*sysctl),
+			       GFP_KERNEL);
+	if (!insns_sysctl)
+		return;
+
+	raw_spin_lock_irqsave(&insn_emulation_lock, flags);
+	list_for_each_entry(insn, &insn_emulation, node) {
+		sysctl = &insns_sysctl[i];
+
+		sysctl->mode = 0644;
+		sysctl->maxlen = sizeof(int);
+
+		sysctl->procname = insn->ops->name;
+		sysctl->data = &insn->current_mode;
+		sysctl->extra1 = &insn->min;
+		sysctl->extra2 = &insn->max;
+		sysctl->proc_handler = emulation_proc_handler;
+		i++;
+	}
+	raw_spin_unlock_irqrestore(&insn_emulation_lock, flags);
+
+	register_sysctl("abi", insns_sysctl);
+}
+
 /*
  *  Implement emulation of the SWP/SWPB instructions using load-exclusive and
  *  store-exclusive.
@@ -97,7 +278,7 @@
 
 #define __user_swpX_asm(data, addr, res, temp, temp2, B)	\
 do {								\
-	uaccess_enable();					\
+	uaccess_enable_privileged();				\
 	__asm__ __volatile__(					\
 	"	mov		%w3, %w7\n"			\
 	"0:	ldxr"B"		%w2, [%4]\n"			\
@@ -122,7 +303,7 @@
 	  "i" (-EFAULT),					\
 	  "i" (__SWP_LL_SC_LOOPS)				\
 	: "memory");						\
-	uaccess_disable();					\
+	uaccess_disable_privileged();				\
 } while (0)
 
 #define __user_swp_asm(data, addr, res, temp, temp2) \
@@ -164,6 +345,25 @@
 	return res;
 }
 
+#define ARM_OPCODE_CONDTEST_FAIL   0
+#define ARM_OPCODE_CONDTEST_PASS   1
+#define ARM_OPCODE_CONDTEST_UNCOND 2
+
+#define	ARM_OPCODE_CONDITION_UNCOND	0xf
+
+static unsigned int __kprobes aarch32_check_condition(u32 opcode, u32 psr)
+{
+	u32 cc_bits  = opcode >> 28;
+
+	if (cc_bits != ARM_OPCODE_CONDITION_UNCOND) {
+		if ((*aarch32_opcode_cond_checks[cc_bits])(psr))
+			return ARM_OPCODE_CONDTEST_PASS;
+		else
+			return ARM_OPCODE_CONDTEST_FAIL;
+	}
+	return ARM_OPCODE_CONDTEST_UNCOND;
+}
+
 /*
  * swp_handler logs the id of calling process, dissects the instruction, sanity
  * checks the memory location, calls emulate_swpX for the actual operation and
@@ -236,27 +436,28 @@
 	return 0;
 }
 
-static bool try_emulate_swp(struct pt_regs *regs, u32 insn)
-{
-	/* SWP{B} only exists in ARM state and does not exist in Thumb */
-	if (!compat_user_mode(regs) || compat_thumb_mode(regs))
-		return false;
+/*
+ * Only emulate SWP/SWPB executed in ARM state/User mode.
+ * The kernel must be SWP free and SWP{B} does not exist in Thumb.
+ */
+static struct undef_hook swp_hooks[] = {
+	{
+		.instr_mask	= 0x0fb00ff0,
+		.instr_val	= 0x01000090,
+		.pstate_mask	= PSR_AA32_MODE_MASK,
+		.pstate_val	= PSR_AA32_MODE_USR,
+		.fn		= swp_handler
+	},
+	{ }
+};
 
-	if ((insn & 0x0fb00ff0) != 0x01000090)
-		return false;
-
-	return swp_handler(regs, insn) == 0;
-}
-
-static struct insn_emulation insn_swp = {
+static struct insn_emulation_ops swp_ops = {
 	.name = "swp",
 	.status = INSN_OBSOLETE,
-	.try_emulate = try_emulate_swp,
+	.hooks = swp_hooks,
 	.set_hw_mode = NULL,
 };
-#endif /* CONFIG_SWP_EMULATION */
 
-#ifdef CONFIG_CP15_BARRIER_EMULATION
 static int cp15barrier_handler(struct pt_regs *regs, u32 instr)
 {
 	perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, regs->pc);
@@ -319,29 +520,31 @@
 	return 0;
 }
 
-static bool try_emulate_cp15_barrier(struct pt_regs *regs, u32 insn)
-{
-	if (!compat_user_mode(regs) || compat_thumb_mode(regs))
-		return false;
+static struct undef_hook cp15_barrier_hooks[] = {
+	{
+		.instr_mask	= 0x0fff0fdf,
+		.instr_val	= 0x0e070f9a,
+		.pstate_mask	= PSR_AA32_MODE_MASK,
+		.pstate_val	= PSR_AA32_MODE_USR,
+		.fn		= cp15barrier_handler,
+	},
+	{
+		.instr_mask	= 0x0fff0fff,
+		.instr_val	= 0x0e070f95,
+		.pstate_mask	= PSR_AA32_MODE_MASK,
+		.pstate_val	= PSR_AA32_MODE_USR,
+		.fn		= cp15barrier_handler,
+	},
+	{ }
+};
 
-	if ((insn & 0x0fff0fdf) == 0x0e070f9a)
-		return cp15barrier_handler(regs, insn) == 0;
-
-	if ((insn & 0x0fff0fff) == 0x0e070f95)
-		return cp15barrier_handler(regs, insn) == 0;
-
-	return false;
-}
-
-static struct insn_emulation insn_cp15_barrier = {
+static struct insn_emulation_ops cp15_barrier_ops = {
 	.name = "cp15_barrier",
 	.status = INSN_DEPRECATED,
-	.try_emulate = try_emulate_cp15_barrier,
+	.hooks = cp15_barrier_hooks,
 	.set_hw_mode = cp15_barrier_set_hw_mode,
 };
-#endif /* CONFIG_CP15_BARRIER_EMULATION */
 
-#ifdef CONFIG_SETEND_EMULATION
 static int setend_set_hw_mode(bool enable)
 {
 	if (!cpu_supports_mixed_endian_el0())
@@ -389,221 +592,31 @@
 	return rc;
 }
 
-static bool try_emulate_setend(struct pt_regs *regs, u32 insn)
-{
-	if (compat_thumb_mode(regs) &&
-	    (insn & 0xfffffff7) == 0x0000b650)
-		return t16_setend_handler(regs, insn) == 0;
+static struct undef_hook setend_hooks[] = {
+	{
+		.instr_mask	= 0xfffffdff,
+		.instr_val	= 0xf1010000,
+		.pstate_mask	= PSR_AA32_MODE_MASK,
+		.pstate_val	= PSR_AA32_MODE_USR,
+		.fn		= a32_setend_handler,
+	},
+	{
+		/* Thumb mode */
+		.instr_mask	= 0xfffffff7,
+		.instr_val	= 0x0000b650,
+		.pstate_mask	= (PSR_AA32_T_BIT | PSR_AA32_MODE_MASK),
+		.pstate_val	= (PSR_AA32_T_BIT | PSR_AA32_MODE_USR),
+		.fn		= t16_setend_handler,
+	},
+	{}
+};
 
-	if (compat_user_mode(regs) &&
-	    (insn & 0xfffffdff) == 0xf1010000)
-		return a32_setend_handler(regs, insn) == 0;
-
-	return false;
-}
-
-static struct insn_emulation insn_setend = {
+static struct insn_emulation_ops setend_ops = {
 	.name = "setend",
 	.status = INSN_DEPRECATED,
-	.try_emulate = try_emulate_setend,
+	.hooks = setend_hooks,
 	.set_hw_mode = setend_set_hw_mode,
 };
-#endif /* CONFIG_SETEND_EMULATION */
-
-static struct insn_emulation *insn_emulations[] = {
-#ifdef CONFIG_SWP_EMULATION
-	&insn_swp,
-#endif
-#ifdef CONFIG_CP15_BARRIER_EMULATION
-	&insn_cp15_barrier,
-#endif
-#ifdef CONFIG_SETEND_EMULATION
-	&insn_setend,
-#endif
-};
-
-static DEFINE_MUTEX(insn_emulation_mutex);
-
-static void enable_insn_hw_mode(void *data)
-{
-	struct insn_emulation *insn = (struct insn_emulation *)data;
-	if (insn->set_hw_mode)
-		insn->set_hw_mode(true);
-}
-
-static void disable_insn_hw_mode(void *data)
-{
-	struct insn_emulation *insn = (struct insn_emulation *)data;
-	if (insn->set_hw_mode)
-		insn->set_hw_mode(false);
-}
-
-/* Run set_hw_mode(mode) on all active CPUs */
-static int run_all_cpu_set_hw_mode(struct insn_emulation *insn, bool enable)
-{
-	if (!insn->set_hw_mode)
-		return -EINVAL;
-	if (enable)
-		on_each_cpu(enable_insn_hw_mode, (void *)insn, true);
-	else
-		on_each_cpu(disable_insn_hw_mode, (void *)insn, true);
-	return 0;
-}
-
-/*
- * Run set_hw_mode for all insns on a starting CPU.
- * Returns:
- *  0 		- If all the hooks ran successfully.
- * -EINVAL	- At least one hook is not supported by the CPU.
- */
-static int run_all_insn_set_hw_mode(unsigned int cpu)
-{
-	int i;
-	int rc = 0;
-	unsigned long flags;
-
-	/*
-	 * Disable IRQs to serialize against an IPI from
-	 * run_all_cpu_set_hw_mode(), ensuring the HW is programmed to the most
-	 * recent enablement state if the two race with one another.
-	 */
-	local_irq_save(flags);
-	for (i = 0; i < ARRAY_SIZE(insn_emulations); i++) {
-		struct insn_emulation *insn = insn_emulations[i];
-		bool enable = READ_ONCE(insn->current_mode) == INSN_HW;
-		if (insn->set_hw_mode && insn->set_hw_mode(enable)) {
-			pr_warn("CPU[%u] cannot support the emulation of %s",
-				cpu, insn->name);
-			rc = -EINVAL;
-		}
-	}
-	local_irq_restore(flags);
-
-	return rc;
-}
-
-static int update_insn_emulation_mode(struct insn_emulation *insn,
-				       enum insn_emulation_mode prev)
-{
-	int ret = 0;
-
-	switch (prev) {
-	case INSN_UNDEF: /* Nothing to be done */
-		break;
-	case INSN_EMULATE:
-		break;
-	case INSN_HW:
-		if (!run_all_cpu_set_hw_mode(insn, false))
-			pr_notice("Disabled %s support\n", insn->name);
-		break;
-	}
-
-	switch (insn->current_mode) {
-	case INSN_UNDEF:
-		break;
-	case INSN_EMULATE:
-		break;
-	case INSN_HW:
-		ret = run_all_cpu_set_hw_mode(insn, true);
-		if (!ret)
-			pr_notice("Enabled %s support\n", insn->name);
-		break;
-	}
-
-	return ret;
-}
-
-static int emulation_proc_handler(struct ctl_table *table, int write,
-				  void *buffer, size_t *lenp,
-				  loff_t *ppos)
-{
-	int ret = 0;
-	struct insn_emulation *insn = container_of(table->data, struct insn_emulation, current_mode);
-	enum insn_emulation_mode prev_mode = insn->current_mode;
-
-	mutex_lock(&insn_emulation_mutex);
-	ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
-
-	if (ret || !write || prev_mode == insn->current_mode)
-		goto ret;
-
-	ret = update_insn_emulation_mode(insn, prev_mode);
-	if (ret) {
-		/* Mode change failed, revert to previous mode. */
-		WRITE_ONCE(insn->current_mode, prev_mode);
-		update_insn_emulation_mode(insn, INSN_UNDEF);
-	}
-ret:
-	mutex_unlock(&insn_emulation_mutex);
-	return ret;
-}
-
-static void __init register_insn_emulation(struct insn_emulation *insn)
-{
-	struct ctl_table *sysctl;
-
-	insn->min = INSN_UNDEF;
-
-	switch (insn->status) {
-	case INSN_DEPRECATED:
-		insn->current_mode = INSN_EMULATE;
-		/* Disable the HW mode if it was turned on at early boot time */
-		run_all_cpu_set_hw_mode(insn, false);
-		insn->max = INSN_HW;
-		break;
-	case INSN_OBSOLETE:
-		insn->current_mode = INSN_UNDEF;
-		insn->max = INSN_EMULATE;
-		break;
-	case INSN_UNAVAILABLE:
-		insn->current_mode = INSN_UNDEF;
-		insn->max = INSN_UNDEF;
-		break;
-	}
-
-	/* Program the HW if required */
-	update_insn_emulation_mode(insn, INSN_UNDEF);
-
-	if (insn->status != INSN_UNAVAILABLE) {
-		sysctl = &insn->sysctl[0];
-
-		sysctl->mode = 0644;
-		sysctl->maxlen = sizeof(int);
-
-		sysctl->procname = insn->name;
-		sysctl->data = &insn->current_mode;
-		sysctl->extra1 = &insn->min;
-		sysctl->extra2 = &insn->max;
-		sysctl->proc_handler = emulation_proc_handler;
-
-		register_sysctl("abi", sysctl);
-	}
-}
-
-bool try_emulate_armv8_deprecated(struct pt_regs *regs, u32 insn)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(insn_emulations); i++) {
-		struct insn_emulation *ie = insn_emulations[i];
-
-		if (ie->status == INSN_UNAVAILABLE)
-			continue;
-
-		/*
-		 * A trap may race with the mode being changed
-		 * INSN_EMULATE<->INSN_HW. Try to emulate the instruction to
-		 * avoid a spurious UNDEF.
-		 */
-		if (READ_ONCE(ie->current_mode) == INSN_UNDEF)
-			continue;
-
-		if (ie->try_emulate(regs, insn))
-			return true;
-	}
-
-	return false;
-}
 
 /*
  * Invoked as core_initcall, which guarantees that the instruction
@@ -611,27 +624,24 @@
  */
 static int __init armv8_deprecated_init(void)
 {
-	int i;
+	if (IS_ENABLED(CONFIG_SWP_EMULATION))
+		register_insn_emulation(&swp_ops);
 
-#ifdef CONFIG_SETEND_EMULATION
-	if (!system_supports_mixed_endian_el0()) {
-		insn_setend.status = INSN_UNAVAILABLE;
-		pr_info("setend instruction emulation is not supported on this system\n");
-	}
+	if (IS_ENABLED(CONFIG_CP15_BARRIER_EMULATION))
+		register_insn_emulation(&cp15_barrier_ops);
 
-#endif
-	for (i = 0; i < ARRAY_SIZE(insn_emulations); i++) {
-		struct insn_emulation *ie = insn_emulations[i];
-
-		if (ie->status == INSN_UNAVAILABLE)
-			continue;
-
-		register_insn_emulation(ie);
+	if (IS_ENABLED(CONFIG_SETEND_EMULATION)) {
+		if (system_supports_mixed_endian_el0())
+			register_insn_emulation(&setend_ops);
+		else
+			pr_info("setend instruction emulation is not supported on this system\n");
 	}
 
 	cpuhp_setup_state_nocalls(CPUHP_AP_ARM64_ISNDEP_STARTING,
 				  "arm64/isndep:starting",
 				  run_all_insn_set_hw_mode, NULL);
+	register_insn_emulation_sysctl();
+
 	return 0;
 }
 
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index 7d32fc9..05e3851 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -44,10 +44,14 @@
 #endif
   BLANK();
   DEFINE(THREAD_CPU_CONTEXT,	offsetof(struct task_struct, thread.cpu_context));
+  DEFINE(THREAD_SCTLR_USER,	offsetof(struct task_struct, thread.sctlr_user));
 #ifdef CONFIG_ARM64_PTR_AUTH
   DEFINE(THREAD_KEYS_USER,	offsetof(struct task_struct, thread.keys_user));
   DEFINE(THREAD_KEYS_KERNEL,	offsetof(struct task_struct, thread.keys_kernel));
 #endif
+#ifdef CONFIG_ARM64_MTE
+  DEFINE(THREAD_MTE_CTRL,	offsetof(struct task_struct, thread.mte_ctrl));
+#endif
   BLANK();
   DEFINE(S_X0,			offsetof(struct pt_regs, regs[0]));
   DEFINE(S_X2,			offsetof(struct pt_regs, regs[2]));
@@ -93,16 +97,22 @@
   DEFINE(DMA_FROM_DEVICE,	DMA_FROM_DEVICE);
   BLANK();
   DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET);
+  DEFINE(SOFTIRQ_SHIFT, SOFTIRQ_SHIFT);
+  DEFINE(IRQ_CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
   BLANK();
   DEFINE(CPU_BOOT_STACK,	offsetof(struct secondary_data, stack));
   DEFINE(CPU_BOOT_TASK,		offsetof(struct secondary_data, task));
   BLANK();
+  DEFINE(FTR_OVR_VAL_OFFSET,	offsetof(struct arm64_ftr_override, val));
+  DEFINE(FTR_OVR_MASK_OFFSET,	offsetof(struct arm64_ftr_override, mask));
+  BLANK();
 #ifdef CONFIG_KVM
   DEFINE(VCPU_CONTEXT,		offsetof(struct kvm_vcpu, arch.ctxt));
   DEFINE(VCPU_FAULT_DISR,	offsetof(struct kvm_vcpu, arch.fault.disr_el1));
-  DEFINE(VCPU_WORKAROUND_FLAGS,	offsetof(struct kvm_vcpu, arch.workaround_flags));
   DEFINE(VCPU_HCR_EL2,		offsetof(struct kvm_vcpu, arch.hcr_el2));
   DEFINE(CPU_USER_PT_REGS,	offsetof(struct kvm_cpu_context, regs));
+  DEFINE(CPU_RGSR_EL1,		offsetof(struct kvm_cpu_context, sys_regs[RGSR_EL1]));
+  DEFINE(CPU_GCR_EL1,		offsetof(struct kvm_cpu_context, sys_regs[GCR_EL1]));
   DEFINE(CPU_APIAKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APIAKEYLO_EL1]));
   DEFINE(CPU_APIBKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APIBKEYLO_EL1]));
   DEFINE(CPU_APDAKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APDAKEYLO_EL1]));
@@ -110,6 +120,14 @@
   DEFINE(CPU_APGAKEYLO_EL1,	offsetof(struct kvm_cpu_context, sys_regs[APGAKEYLO_EL1]));
   DEFINE(HOST_CONTEXT_VCPU,	offsetof(struct kvm_cpu_context, __hyp_running_vcpu));
   DEFINE(HOST_DATA_CONTEXT,	offsetof(struct kvm_host_data, host_ctxt));
+  DEFINE(NVHE_INIT_MAIR_EL2,	offsetof(struct kvm_nvhe_init_params, mair_el2));
+  DEFINE(NVHE_INIT_TCR_EL2,	offsetof(struct kvm_nvhe_init_params, tcr_el2));
+  DEFINE(NVHE_INIT_TPIDR_EL2,	offsetof(struct kvm_nvhe_init_params, tpidr_el2));
+  DEFINE(NVHE_INIT_STACK_HYP_VA,	offsetof(struct kvm_nvhe_init_params, stack_hyp_va));
+  DEFINE(NVHE_INIT_PGD_PA,	offsetof(struct kvm_nvhe_init_params, pgd_pa));
+  DEFINE(NVHE_INIT_HCR_EL2,	offsetof(struct kvm_nvhe_init_params, hcr_el2));
+  DEFINE(NVHE_INIT_VTTBR,	offsetof(struct kvm_nvhe_init_params, vttbr));
+  DEFINE(NVHE_INIT_VTCR,	offsetof(struct kvm_nvhe_init_params, vtcr));
 #endif
 #ifdef CONFIG_CPU_PM
   DEFINE(CPU_CTX_SP,		offsetof(struct cpu_suspend_ctx, sp));
@@ -122,6 +140,15 @@
   DEFINE(ARM_SMCCC_RES_X2_OFFS,		offsetof(struct arm_smccc_res, a2));
   DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
   DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
+  DEFINE(ARM_SMCCC_1_2_REGS_X0_OFFS,	offsetof(struct arm_smccc_1_2_regs, a0));
+  DEFINE(ARM_SMCCC_1_2_REGS_X2_OFFS,	offsetof(struct arm_smccc_1_2_regs, a2));
+  DEFINE(ARM_SMCCC_1_2_REGS_X4_OFFS,	offsetof(struct arm_smccc_1_2_regs, a4));
+  DEFINE(ARM_SMCCC_1_2_REGS_X6_OFFS,	offsetof(struct arm_smccc_1_2_regs, a6));
+  DEFINE(ARM_SMCCC_1_2_REGS_X8_OFFS,	offsetof(struct arm_smccc_1_2_regs, a8));
+  DEFINE(ARM_SMCCC_1_2_REGS_X10_OFFS,	offsetof(struct arm_smccc_1_2_regs, a10));
+  DEFINE(ARM_SMCCC_1_2_REGS_X12_OFFS,	offsetof(struct arm_smccc_1_2_regs, a12));
+  DEFINE(ARM_SMCCC_1_2_REGS_X14_OFFS,	offsetof(struct arm_smccc_1_2_regs, a14));
+  DEFINE(ARM_SMCCC_1_2_REGS_X16_OFFS,	offsetof(struct arm_smccc_1_2_regs, a16));
   BLANK();
   DEFINE(HIBERN_PBE_ORIG,	offsetof(struct pbe, orig_address));
   DEFINE(HIBERN_PBE_ADDR,	offsetof(struct pbe, address));
@@ -137,10 +164,6 @@
 #endif
 #ifdef CONFIG_ARM64_PTR_AUTH
   DEFINE(PTRAUTH_USER_KEY_APIA,		offsetof(struct ptrauth_keys_user, apia));
-  DEFINE(PTRAUTH_USER_KEY_APIB,		offsetof(struct ptrauth_keys_user, apib));
-  DEFINE(PTRAUTH_USER_KEY_APDA,		offsetof(struct ptrauth_keys_user, apda));
-  DEFINE(PTRAUTH_USER_KEY_APDB,		offsetof(struct ptrauth_keys_user, apdb));
-  DEFINE(PTRAUTH_USER_KEY_APGA,		offsetof(struct ptrauth_keys_user, apga));
   DEFINE(PTRAUTH_KERNEL_KEY_APIA,	offsetof(struct ptrauth_keys_kernel, apia));
   BLANK();
 #endif
diff --git a/arch/arm64/kernel/cpu-reset.S b/arch/arm64/kernel/cpu-reset.S
index 37721eb..d47ff63 100644
--- a/arch/arm64/kernel/cpu-reset.S
+++ b/arch/arm64/kernel/cpu-reset.S
@@ -30,10 +30,7 @@
  * flat identity mapping.
  */
 SYM_CODE_START(__cpu_soft_restart)
-	/* Clear sctlr_el1 flags. */
-	mrs	x12, sctlr_el1
-	mov_q	x13, SCTLR_ELx_FLAGS
-	bic	x12, x12, x13
+	mov_q	x12, INIT_SCTLR_EL1_MMU_OFF
 	pre_disable_mmu_workaround
 	/*
 	 * either disable EL1&0 translation regime or disable EL2&0 translation
diff --git a/arch/arm64/kernel/cpu-reset.h b/arch/arm64/kernel/cpu-reset.h
index ed50e95..a05bda36 100644
--- a/arch/arm64/kernel/cpu-reset.h
+++ b/arch/arm64/kernel/cpu-reset.h
@@ -13,16 +13,16 @@
 void __cpu_soft_restart(unsigned long el2_switch, unsigned long entry,
 	unsigned long arg0, unsigned long arg1, unsigned long arg2);
 
-static inline void __noreturn cpu_soft_restart(unsigned long entry,
-					       unsigned long arg0,
-					       unsigned long arg1,
-					       unsigned long arg2)
+static inline void __noreturn __nocfi cpu_soft_restart(unsigned long entry,
+						       unsigned long arg0,
+						       unsigned long arg1,
+						       unsigned long arg2)
 {
 	typeof(__cpu_soft_restart) *restart;
 
 	unsigned long el2_switch = !is_kernel_in_hyp_mode() &&
 		is_hyp_mode_available();
-	restart = (void *)__pa_symbol(__cpu_soft_restart);
+	restart = (void *)__pa_function(__cpu_soft_restart);
 
 	cpu_install_idmap();
 	restart(el2_switch, entry, arg0, arg1, arg2);
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 5d6f19b..f0484c0 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -196,16 +196,6 @@
 	return is_midr_in_range(midr, &range) && has_dic;
 }
 
-#ifdef CONFIG_RANDOMIZE_BASE
-
-static const struct midr_range ca57_a72[] = {
-	MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
-	MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
-	{},
-};
-
-#endif
-
 #ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
 static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
 #ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
@@ -356,6 +346,18 @@
 };
 #endif
 
+#ifdef CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE
+static const struct midr_range tsb_flush_fail_cpus[] = {
+#ifdef CONFIG_ARM64_ERRATUM_2067961
+	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2054223
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
+#endif
+	{},
+};
+#endif	/* CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE */
+
 #ifdef CONFIG_ARM64_ERRATUM_1742098
 static struct midr_range broken_aarch32_aes[] = {
 	MIDR_RANGE(MIDR_CORTEX_A57, 0, 1, 0xf, 0xf),
@@ -473,9 +475,12 @@
 	},
 #ifdef CONFIG_RANDOMIZE_BASE
 	{
-		.desc = "EL2 vector hardening",
-		.capability = ARM64_HARDEN_EL2_VECTORS,
-		ERRATA_MIDR_RANGE_LIST(ca57_a72),
+	/* Must come after the Spectre-v2 entry */
+		.desc = "Spectre-v3a",
+		.capability = ARM64_SPECTRE_V3A,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = has_spectre_v3a,
+		.cpu_enable = spectre_v3a_enable_mitigation,
 	},
 #endif
 	{
@@ -554,6 +559,13 @@
 				  1, 0),
 	},
 #endif
+#ifdef CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE
+	{
+		.desc = "ARM erratum 2067961 or 2054223",
+		.capability = ARM64_WORKAROUND_TSB_FLUSH_FAILURE,
+		ERRATA_MIDR_RANGE_LIST(tsb_flush_fail_cpus),
+	},
+#endif
 #ifdef CONFIG_ARM64_ERRATUM_2457168
 	{
 		.desc = "ARM erratum 2457168",
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 1f0a2de..c7ec841 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -68,15 +68,18 @@
 #include <linux/percpu.h>
 #include <linux/sort.h>
 #include <linux/stop_machine.h>
+#include <linux/sysfs.h>
 #include <linux/types.h>
 #include <linux/mm.h>
 #include <linux/cpu.h>
+#include <linux/kasan.h>
 
 #include <asm/cpu.h>
 #include <asm/cpufeature.h>
 #include <asm/cpu_ops.h>
 #include <asm/fpsimd.h>
 #include <asm/hwcap.h>
+#include <asm/kvm_host.h>
 #include <asm/mmu_context.h>
 #include <asm/mte.h>
 #include <asm/processor.h>
@@ -111,6 +114,24 @@
 DEFINE_PER_CPU_READ_MOSTLY(const char *, this_cpu_vector) = vectors;
 
 /*
+ * Permit PER_LINUX32 and execve() of 32-bit binaries even if not all CPUs
+ * support it?
+ */
+static bool __read_mostly allow_mismatched_32bit_el0;
+
+/*
+ * Static branch enabled only if allow_mismatched_32bit_el0 is set and we have
+ * seen at least one CPU capable of 32-bit EL0.
+ */
+DEFINE_STATIC_KEY_FALSE(arm64_mismatched_32bit_el0);
+
+/*
+ * Mask of CPUs supporting 32-bit EL0.
+ * Only valid if arm64_mismatched_32bit_el0 is enabled.
+ */
+static cpumask_var_t cpu_32bit_el0_mask __cpumask_var_read_mostly;
+
+/*
  * Flag to indicate if we have computed the system wide
  * capabilities based on the boot time active CPUs. This
  * will be used to determine if a new booting CPU should
@@ -232,8 +253,8 @@
 	S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_FP_SHIFT, 4, ID_AA64PFR0_FP_NI),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL3_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL2_SHIFT, 4, 0),
-	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_EL1_64BIT_ONLY),
-	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_EL0_64BIT_ONLY),
+	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_ELx_64BIT_ONLY),
+	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_ELx_64BIT_ONLY),
 	ARM64_FTR_END,
 };
 
@@ -367,9 +388,12 @@
 	ARM64_FTR_END,
 };
 
+static struct arm64_ftr_override __ro_after_init no_override = { };
+
 struct arm64_ftr_reg arm64_ftr_reg_ctrel0 = {
 	.name		= "SYS_CTR_EL0",
-	.ftr_bits	= ftr_ctr
+	.ftr_bits	= ftr_ctr,
+	.override	= &no_override,
 };
 
 static const struct arm64_ftr_bits ftr_id_mmfr0[] = {
@@ -558,13 +582,24 @@
 	ARM64_FTR_END,
 };
 
-#define ARM64_FTR_REG(id, table) {		\
-	.sys_id = id,				\
-	.reg = 	&(struct arm64_ftr_reg){	\
-		.name = #id,			\
-		.ftr_bits = &((table)[0]),	\
+#define __ARM64_FTR_REG_OVERRIDE(id_str, id, table, ovr) {	\
+		.sys_id = id,					\
+		.reg = 	&(struct arm64_ftr_reg){		\
+			.name = id_str,				\
+			.override = (ovr),			\
+			.ftr_bits = &((table)[0]),		\
 	}}
 
+#define ARM64_FTR_REG_OVERRIDE(id, table, ovr)	\
+	__ARM64_FTR_REG_OVERRIDE(#id, id, table, ovr)
+
+#define ARM64_FTR_REG(id, table)		\
+	__ARM64_FTR_REG_OVERRIDE(#id, id, table, &no_override)
+
+struct arm64_ftr_override __ro_after_init id_aa64mmfr1_override;
+struct arm64_ftr_override __ro_after_init id_aa64pfr1_override;
+struct arm64_ftr_override __ro_after_init id_aa64isar1_override;
+
 static const struct __ftr_reg_entry {
 	u32			sys_id;
 	struct arm64_ftr_reg 	*reg;
@@ -599,7 +634,8 @@
 
 	/* Op1 = 0, CRn = 0, CRm = 4 */
 	ARM64_FTR_REG(SYS_ID_AA64PFR0_EL1, ftr_id_aa64pfr0),
-	ARM64_FTR_REG(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1),
+	ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1,
+			       &id_aa64pfr1_override),
 	ARM64_FTR_REG(SYS_ID_AA64ZFR0_EL1, ftr_id_aa64zfr0),
 
 	/* Op1 = 0, CRn = 0, CRm = 5 */
@@ -608,12 +644,14 @@
 
 	/* Op1 = 0, CRn = 0, CRm = 6 */
 	ARM64_FTR_REG(SYS_ID_AA64ISAR0_EL1, ftr_id_aa64isar0),
-	ARM64_FTR_REG(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1),
+	ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1,
+			       &id_aa64isar1_override),
 	ARM64_FTR_REG(SYS_ID_AA64ISAR2_EL1, ftr_id_aa64isar2),
 
 	/* Op1 = 0, CRn = 0, CRm = 7 */
 	ARM64_FTR_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0),
-	ARM64_FTR_REG(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1),
+	ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1,
+			       &id_aa64mmfr1_override),
 	ARM64_FTR_REG(SYS_ID_AA64MMFR2_EL1, ftr_id_aa64mmfr2),
 
 	/* Op1 = 0, CRn = 1, CRm = 2 */
@@ -769,7 +807,7 @@
  * Any bits that are not covered by an arm64_ftr_bits entry are considered
  * RES0 for the system-wide value, and must strictly match.
  */
-static void __init init_cpu_ftr_reg(u32 sys_reg, u64 new)
+static void init_cpu_ftr_reg(u32 sys_reg, u64 new)
 {
 	u64 val = 0;
 	u64 strict_mask = ~0x0ULL;
@@ -785,6 +823,39 @@
 	for (ftrp = reg->ftr_bits; ftrp->width; ftrp++) {
 		u64 ftr_mask = arm64_ftr_mask(ftrp);
 		s64 ftr_new = arm64_ftr_value(ftrp, new);
+		s64 ftr_ovr = arm64_ftr_value(ftrp, reg->override->val);
+
+		if ((ftr_mask & reg->override->mask) == ftr_mask) {
+			s64 tmp = arm64_ftr_safe_value(ftrp, ftr_ovr, ftr_new);
+			char *str = NULL;
+
+			if (ftr_ovr != tmp) {
+				/* Unsafe, remove the override */
+				reg->override->mask &= ~ftr_mask;
+				reg->override->val &= ~ftr_mask;
+				tmp = ftr_ovr;
+				str = "ignoring override";
+			} else if (ftr_new != tmp) {
+				/* Override was valid */
+				ftr_new = tmp;
+				str = "forced";
+			} else if (ftr_ovr == tmp) {
+				/* Override was the safe value */
+				str = "already set";
+			}
+
+			if (str)
+				pr_warn("%s[%d:%d]: %s to %llx\n",
+					reg->name,
+					ftrp->shift + ftrp->width - 1,
+					ftrp->shift, str, tmp);
+		} else if ((ftr_mask & reg->override->val) == ftr_mask) {
+			reg->override->val &= ~ftr_mask;
+			pr_warn("%s[%d:%d]: impossible override, ignored\n",
+				reg->name,
+				ftrp->shift + ftrp->width - 1,
+				ftrp->shift);
+		}
 
 		val = arm64_ftr_set_value(ftrp, val, ftr_new);
 
@@ -832,6 +903,31 @@
 
 static void __init setup_boot_cpu_capabilities(void);
 
+static void init_32bit_cpu_features(struct cpuinfo_32bit *info)
+{
+	init_cpu_ftr_reg(SYS_ID_DFR0_EL1, info->reg_id_dfr0);
+	init_cpu_ftr_reg(SYS_ID_DFR1_EL1, info->reg_id_dfr1);
+	init_cpu_ftr_reg(SYS_ID_ISAR0_EL1, info->reg_id_isar0);
+	init_cpu_ftr_reg(SYS_ID_ISAR1_EL1, info->reg_id_isar1);
+	init_cpu_ftr_reg(SYS_ID_ISAR2_EL1, info->reg_id_isar2);
+	init_cpu_ftr_reg(SYS_ID_ISAR3_EL1, info->reg_id_isar3);
+	init_cpu_ftr_reg(SYS_ID_ISAR4_EL1, info->reg_id_isar4);
+	init_cpu_ftr_reg(SYS_ID_ISAR5_EL1, info->reg_id_isar5);
+	init_cpu_ftr_reg(SYS_ID_ISAR6_EL1, info->reg_id_isar6);
+	init_cpu_ftr_reg(SYS_ID_MMFR0_EL1, info->reg_id_mmfr0);
+	init_cpu_ftr_reg(SYS_ID_MMFR1_EL1, info->reg_id_mmfr1);
+	init_cpu_ftr_reg(SYS_ID_MMFR2_EL1, info->reg_id_mmfr2);
+	init_cpu_ftr_reg(SYS_ID_MMFR3_EL1, info->reg_id_mmfr3);
+	init_cpu_ftr_reg(SYS_ID_MMFR4_EL1, info->reg_id_mmfr4);
+	init_cpu_ftr_reg(SYS_ID_MMFR5_EL1, info->reg_id_mmfr5);
+	init_cpu_ftr_reg(SYS_ID_PFR0_EL1, info->reg_id_pfr0);
+	init_cpu_ftr_reg(SYS_ID_PFR1_EL1, info->reg_id_pfr1);
+	init_cpu_ftr_reg(SYS_ID_PFR2_EL1, info->reg_id_pfr2);
+	init_cpu_ftr_reg(SYS_MVFR0_EL1, info->reg_mvfr0);
+	init_cpu_ftr_reg(SYS_MVFR1_EL1, info->reg_mvfr1);
+	init_cpu_ftr_reg(SYS_MVFR2_EL1, info->reg_mvfr2);
+}
+
 void __init init_cpu_features(struct cpuinfo_arm64 *info)
 {
 	/* Before we start using the tables, make sure it is sorted */
@@ -852,29 +948,8 @@
 	init_cpu_ftr_reg(SYS_ID_AA64PFR1_EL1, info->reg_id_aa64pfr1);
 	init_cpu_ftr_reg(SYS_ID_AA64ZFR0_EL1, info->reg_id_aa64zfr0);
 
-	if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
-		init_cpu_ftr_reg(SYS_ID_DFR0_EL1, info->reg_id_dfr0);
-		init_cpu_ftr_reg(SYS_ID_DFR1_EL1, info->reg_id_dfr1);
-		init_cpu_ftr_reg(SYS_ID_ISAR0_EL1, info->reg_id_isar0);
-		init_cpu_ftr_reg(SYS_ID_ISAR1_EL1, info->reg_id_isar1);
-		init_cpu_ftr_reg(SYS_ID_ISAR2_EL1, info->reg_id_isar2);
-		init_cpu_ftr_reg(SYS_ID_ISAR3_EL1, info->reg_id_isar3);
-		init_cpu_ftr_reg(SYS_ID_ISAR4_EL1, info->reg_id_isar4);
-		init_cpu_ftr_reg(SYS_ID_ISAR5_EL1, info->reg_id_isar5);
-		init_cpu_ftr_reg(SYS_ID_ISAR6_EL1, info->reg_id_isar6);
-		init_cpu_ftr_reg(SYS_ID_MMFR0_EL1, info->reg_id_mmfr0);
-		init_cpu_ftr_reg(SYS_ID_MMFR1_EL1, info->reg_id_mmfr1);
-		init_cpu_ftr_reg(SYS_ID_MMFR2_EL1, info->reg_id_mmfr2);
-		init_cpu_ftr_reg(SYS_ID_MMFR3_EL1, info->reg_id_mmfr3);
-		init_cpu_ftr_reg(SYS_ID_MMFR4_EL1, info->reg_id_mmfr4);
-		init_cpu_ftr_reg(SYS_ID_MMFR5_EL1, info->reg_id_mmfr5);
-		init_cpu_ftr_reg(SYS_ID_PFR0_EL1, info->reg_id_pfr0);
-		init_cpu_ftr_reg(SYS_ID_PFR1_EL1, info->reg_id_pfr1);
-		init_cpu_ftr_reg(SYS_ID_PFR2_EL1, info->reg_id_pfr2);
-		init_cpu_ftr_reg(SYS_MVFR0_EL1, info->reg_mvfr0);
-		init_cpu_ftr_reg(SYS_MVFR1_EL1, info->reg_mvfr1);
-		init_cpu_ftr_reg(SYS_MVFR2_EL1, info->reg_mvfr2);
-	}
+	if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0))
+		init_32bit_cpu_features(&info->aarch32);
 
 	if (id_aa64pfr0_sve(info->reg_id_aa64pfr0)) {
 		init_cpu_ftr_reg(SYS_ZCR_EL1, info->reg_zcr);
@@ -945,21 +1020,29 @@
 	WARN_ON(!ftrp->width);
 }
 
-static int update_32bit_cpu_features(int cpu, struct cpuinfo_arm64 *info,
-				     struct cpuinfo_arm64 *boot)
+static void update_mismatched_32bit_el0_cpu_features(struct cpuinfo_arm64 *info,
+						     struct cpuinfo_arm64 *boot)
+{
+	static bool boot_cpu_32bit_regs_overridden = false;
+
+	if (!allow_mismatched_32bit_el0 || boot_cpu_32bit_regs_overridden)
+		return;
+
+	if (id_aa64pfr0_32bit_el0(boot->reg_id_aa64pfr0))
+		return;
+
+	boot->aarch32 = info->aarch32;
+	init_32bit_cpu_features(&boot->aarch32);
+	boot_cpu_32bit_regs_overridden = true;
+}
+
+static int update_32bit_cpu_features(int cpu, struct cpuinfo_32bit *info,
+				     struct cpuinfo_32bit *boot)
 {
 	int taint = 0;
 	u64 pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
 
 	/*
-	 * If we don't have AArch32 at all then skip the checks entirely
-	 * as the register values may be UNKNOWN and we're not going to be
-	 * using them for anything.
-	 */
-	if (!id_aa64pfr0_32bit_el0(pfr0))
-		return taint;
-
-	/*
 	 * If we don't have AArch32 at EL1, then relax the strictness of
 	 * EL1-dependent register fields to avoid spurious sanity check fails.
 	 */
@@ -1107,10 +1190,18 @@
 	}
 
 	/*
+	 * If we don't have AArch32 at all then skip the checks entirely
+	 * as the register values may be UNKNOWN and we're not going to be
+	 * using them for anything.
+	 *
 	 * This relies on a sanitised view of the AArch64 ID registers
 	 * (e.g. SYS_ID_AA64PFR0_EL1), so we call it last.
 	 */
-	taint |= update_32bit_cpu_features(cpu, info, boot);
+	if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
+		update_mismatched_32bit_el0_cpu_features(info, boot);
+		taint |= update_32bit_cpu_features(cpu, &info->aarch32,
+						   &boot->aarch32);
+	}
 
 	/*
 	 * Mismatched CPU features are a recipe for disaster. Don't even
@@ -1133,14 +1224,17 @@
 EXPORT_SYMBOL_GPL(read_sanitised_ftr_reg);
 
 #define read_sysreg_case(r)	\
-	case r:		return read_sysreg_s(r)
+	case r:		val = read_sysreg_s(r); break;
 
 /*
  * __read_sysreg_by_encoding() - Used by a STARTING cpu before cpuinfo is populated.
  * Read the system register on the current CPU
  */
-static u64 __read_sysreg_by_encoding(u32 sys_id)
+u64 __read_sysreg_by_encoding(u32 sys_id)
 {
+	struct arm64_ftr_reg *regp;
+	u64 val;
+
 	switch (sys_id) {
 	read_sysreg_case(SYS_ID_PFR0_EL1);
 	read_sysreg_case(SYS_ID_PFR1_EL1);
@@ -1184,6 +1278,14 @@
 		BUG();
 		return 0;
 	}
+
+	regp  = get_arm64_ftr_reg(sys_id);
+	if (regp) {
+		val &= ~regp->override->mask;
+		val |= (regp->override->val & regp->override->mask);
+	}
+
+	return val;
 }
 
 #include <linux/irqchip/arm-gic-v3.h>
@@ -1210,6 +1312,54 @@
 	return feature_matches(val, entry);
 }
 
+const struct cpumask *system_32bit_el0_cpumask(void)
+{
+	if (!system_supports_32bit_el0())
+		return cpu_none_mask;
+
+	if (static_branch_unlikely(&arm64_mismatched_32bit_el0))
+		return cpu_32bit_el0_mask;
+
+	return cpu_possible_mask;
+}
+EXPORT_SYMBOL_GPL(system_32bit_el0_cpumask);
+
+static int __init parse_32bit_el0_param(char *str)
+{
+	allow_mismatched_32bit_el0 = true;
+	return 0;
+}
+early_param("allow_mismatched_32bit_el0", parse_32bit_el0_param);
+
+static ssize_t aarch32_el0_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	const struct cpumask *mask = system_32bit_el0_cpumask();
+
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(mask));
+}
+static const DEVICE_ATTR_RO(aarch32_el0);
+
+static int __init aarch32_el0_sysfs_init(void)
+{
+	if (!allow_mismatched_32bit_el0)
+		return 0;
+
+	return device_create_file(cpu_subsys.dev_root, &dev_attr_aarch32_el0);
+}
+device_initcall(aarch32_el0_sysfs_init);
+
+static bool has_32bit_el0(const struct arm64_cpu_capabilities *entry, int scope)
+{
+	if (!has_cpuid_feature(entry, scope))
+		return allow_mismatched_32bit_el0;
+
+	if (scope == SCOPE_SYSTEM)
+		pr_info("detected: 32-bit EL0 Support\n");
+
+	return true;
+}
+
 static bool has_useable_gicv3_cpuif(const struct arm64_cpu_capabilities *entry, int scope)
 {
 	bool has_sre;
@@ -1411,7 +1561,7 @@
 }
 
 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0
-static void
+static void __nocfi
 kpti_install_ng_mappings(const struct arm64_cpu_capabilities *__unused)
 {
 	typedef void (kpti_remap_fn)(int, int, phys_addr_t);
@@ -1434,7 +1584,7 @@
 	if (arm64_use_ng_mappings)
 		return;
 
-	remap_fn = (void *)__pa_symbol(idmap_kpti_install_ng_mappings);
+	remap_fn = (void *)__pa_function(idmap_kpti_install_ng_mappings);
 
 	cpu_install_idmap();
 	remap_fn(cpu, num_online_cpus(), __pa_symbol(swapper_pg_dir));
@@ -1587,7 +1737,6 @@
 }
 #endif
 
-#ifdef CONFIG_ARM64_VHE
 static bool runs_at_el2(const struct arm64_cpu_capabilities *entry, int __unused)
 {
 	return is_kernel_in_hyp_mode();
@@ -1606,7 +1755,6 @@
 	if (!alternative_is_applied(ARM64_HAS_VIRT_HOST_EXTN))
 		write_sysreg(read_sysreg(tpidr_el1), tpidr_el2);
 }
-#endif
 
 static void cpu_has_fwb(const struct arm64_cpu_capabilities *__unused)
 {
@@ -1626,7 +1774,7 @@
 	WARN_ON_ONCE(in_interrupt());
 
 	sysreg_clear_set(sctlr_el1, SCTLR_EL1_SPAN, 0);
-	asm(SET_PSTATE_PAN(1));
+	set_pstate_pan(1);
 }
 #endif /* CONFIG_ARM64_PAN */
 
@@ -1722,12 +1870,18 @@
 #ifdef CONFIG_ARM64_MTE
 static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap)
 {
+	sysreg_clear_set(sctlr_el1, 0, SCTLR_ELx_ATA | SCTLR_EL1_ATA0);
+
+	mte_cpu_setup();
+
 	/*
 	 * Clear the tags in the zero page. This needs to be done via the
 	 * linear map which has the Tagged attribute.
 	 */
 	if (!test_and_set_bit(PG_mte_tagged, &ZERO_PAGE(0)->flags))
 		mte_clear_page_tags(lm_alias(empty_zero_page));
+
+	kasan_init_hw_tags_cpu();
 }
 #endif /* CONFIG_ARM64_MTE */
 
@@ -1739,6 +1893,13 @@
 #endif /* ARM64_ERRATUM_1742098 */
 }
 
+#ifdef CONFIG_KVM
+static bool is_kvm_protected_mode(const struct arm64_cpu_capabilities *entry, int __unused)
+{
+	return kvm_get_mode() == KVM_MODE_PROTECTED;
+}
+#endif /* CONFIG_KVM */
+
 /* Internal helper functions to match cpu capability type */
 static bool
 cpucap_late_cpu_optional(const struct arm64_cpu_capabilities *cap)
@@ -1822,7 +1983,6 @@
 		.matches = cpufeature_pan_not_uao,
 	},
 #endif /* CONFIG_ARM64_PAN */
-#ifdef CONFIG_ARM64_VHE
 	{
 		.desc = "Virtualization Host Extensions",
 		.capability = ARM64_HAS_VIRT_HOST_EXTN,
@@ -1830,16 +1990,14 @@
 		.matches = runs_at_el2,
 		.cpu_enable = cpu_copy_el2regs,
 	},
-#endif	/* CONFIG_ARM64_VHE */
 	{
-		.desc = "32-bit EL0 Support",
-		.capability = ARM64_HAS_32BIT_EL0,
+		.capability = ARM64_HAS_32BIT_EL0_DO_NOT_USE,
 		.type = ARM64_CPUCAP_SYSTEM_FEATURE,
-		.matches = has_cpuid_feature,
+		.matches = has_32bit_el0,
 		.sys_reg = SYS_ID_AA64PFR0_EL1,
 		.sign = FTR_UNSIGNED,
 		.field_pos = ID_AA64PFR0_EL0_SHIFT,
-		.min_field_value = ID_AA64PFR0_EL0_32BIT_64BIT,
+		.min_field_value = ID_AA64PFR0_ELx_32BIT_64BIT,
 	},
 #ifdef CONFIG_KVM
 	{
@@ -1850,7 +2008,13 @@
 		.sys_reg = SYS_ID_AA64PFR0_EL1,
 		.sign = FTR_UNSIGNED,
 		.field_pos = ID_AA64PFR0_EL1_SHIFT,
-		.min_field_value = ID_AA64PFR0_EL1_32BIT_64BIT,
+		.min_field_value = ID_AA64PFR0_ELx_32BIT_64BIT,
+	},
+	{
+		.desc = "Protected KVM",
+		.capability = ARM64_KVM_PROTECTED_MODE,
+		.type = ARM64_CPUCAP_SYSTEM_FEATURE,
+		.matches = is_kvm_protected_mode,
 	},
 #endif
 	{
@@ -2167,7 +2331,27 @@
 		.sign = FTR_UNSIGNED,
 		.cpu_enable = cpu_enable_mte,
 	},
+	{
+		.desc = "Asymmetric MTE Tag Check Fault",
+		.capability = ARM64_MTE_ASYMM,
+		.type = ARM64_CPUCAP_BOOT_CPU_FEATURE,
+		.matches = has_cpuid_feature,
+		.sys_reg = SYS_ID_AA64PFR1_EL1,
+		.field_pos = ID_AA64PFR1_MTE_SHIFT,
+		.min_field_value = ID_AA64PFR1_MTE_ASYMM,
+		.sign = FTR_UNSIGNED,
+	},
 #endif /* CONFIG_ARM64_MTE */
+	{
+		.desc = "RCpc load-acquire (LDAPR)",
+		.capability = ARM64_HAS_LDAPR,
+		.type = ARM64_CPUCAP_SYSTEM_FEATURE,
+		.sys_reg = SYS_ID_AA64ISAR1_EL1,
+		.sign = FTR_UNSIGNED,
+		.field_pos = ID_AA64ISAR1_LRCPC_SHIFT,
+		.matches = has_cpuid_feature,
+		.min_field_value = 1,
+	},
 	{},
 };
 
@@ -2286,6 +2470,7 @@
 #endif
 #ifdef CONFIG_ARM64_MTE
 	HWCAP_CAP(SYS_ID_AA64PFR1_EL1, ID_AA64PFR1_MTE_SHIFT, FTR_UNSIGNED, ID_AA64PFR1_MTE, CAP_HWCAP, KERNEL_HWCAP_MTE),
+	HWCAP_CAP(SYS_ID_AA64PFR1_EL1, ID_AA64PFR1_MTE_SHIFT, FTR_UNSIGNED, ID_AA64PFR1_MTE_ASYMM, CAP_HWCAP, KERNEL_HWCAP_MTE3),
 #endif /* CONFIG_ARM64_MTE */
 	HWCAP_CAP(SYS_ID_AA64MMFR0_EL1, ID_AA64MMFR0_ECV_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_ECV),
 	HWCAP_CAP(SYS_ID_AA64MMFR1_EL1, ID_AA64MMFR1_AFP_SHIFT, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_AFP),
@@ -2331,7 +2516,7 @@
 	{},
 };
 
-static void __init cap_set_elf_hwcap(const struct arm64_cpu_capabilities *cap)
+static void cap_set_elf_hwcap(const struct arm64_cpu_capabilities *cap)
 {
 	switch (cap->hwcap_type) {
 	case CAP_HWCAP:
@@ -2376,7 +2561,7 @@
 	return rc;
 }
 
-static void __init setup_elf_hwcaps(const struct arm64_cpu_capabilities *hwcaps)
+static void setup_elf_hwcaps(const struct arm64_cpu_capabilities *hwcaps)
 {
 	/* We support emulation of accesses to CPU ID feature registers */
 	cpu_set_named_feature(CPUID);
@@ -2551,7 +2736,7 @@
 }
 
 static void
-verify_local_elf_hwcaps(const struct arm64_cpu_capabilities *caps)
+__verify_local_elf_hwcaps(const struct arm64_cpu_capabilities *caps)
 {
 
 	for (; caps->matches; caps++)
@@ -2562,6 +2747,14 @@
 		}
 }
 
+static void verify_local_elf_hwcaps(void)
+{
+	__verify_local_elf_hwcaps(arm64_elf_hwcaps);
+
+	if (id_aa64pfr0_32bit_el0(read_cpuid(ID_AA64PFR0_EL1)))
+		__verify_local_elf_hwcaps(compat_elf_hwcaps);
+}
+
 static void verify_sve_features(void)
 {
 	u64 safe_zcr = read_sanitised_ftr_reg(SYS_ZCR_EL1);
@@ -2626,11 +2819,7 @@
 	 * on all secondary CPUs.
 	 */
 	verify_local_cpu_caps(SCOPE_ALL & ~SCOPE_BOOT_CPU);
-
-	verify_local_elf_hwcaps(arm64_elf_hwcaps);
-
-	if (system_supports_32bit_el0())
-		verify_local_elf_hwcaps(compat_elf_hwcaps);
+	verify_local_elf_hwcaps();
 
 	if (system_supports_sve())
 		verify_sve_features();
@@ -2767,6 +2956,52 @@
 			ARCH_DMA_MINALIGN);
 }
 
+static int enable_mismatched_32bit_el0(unsigned int cpu)
+{
+	static int lucky_winner = -1;
+
+	struct cpuinfo_arm64 *info = &per_cpu(cpu_data, cpu);
+	bool cpu_32bit = id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0);
+
+	if (cpu_32bit) {
+		cpumask_set_cpu(cpu, cpu_32bit_el0_mask);
+		static_branch_enable_cpuslocked(&arm64_mismatched_32bit_el0);
+	}
+
+	if (cpumask_test_cpu(0, cpu_32bit_el0_mask) == cpu_32bit)
+		return 0;
+
+	if (lucky_winner >= 0)
+		return 0;
+
+	/*
+	 * We've detected a mismatch. We need to keep one of our CPUs with
+	 * 32-bit EL0 online so that is_cpu_allowed() doesn't end up rejecting
+	 * every CPU in the system for a 32-bit task.
+	 */
+	lucky_winner = cpu_32bit ? cpu : cpumask_any_and(cpu_32bit_el0_mask,
+							 cpu_active_mask);
+	get_cpu_device(lucky_winner)->offline_disabled = true;
+	setup_elf_hwcaps(compat_elf_hwcaps);
+	pr_info("Asymmetric 32-bit EL0 support detected on CPU %u; CPU hot-unplug disabled on CPU %u\n",
+		cpu, lucky_winner);
+	return 0;
+}
+
+static int __init init_32bit_el0_mask(void)
+{
+	if (!allow_mismatched_32bit_el0)
+		return 0;
+
+	if (!zalloc_cpumask_var(&cpu_32bit_el0_mask, GFP_KERNEL))
+		return -ENOMEM;
+
+	return cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
+				 "arm64/mismatched_32bit_el0:online",
+				 enable_mismatched_32bit_el0, NULL);
+}
+subsys_initcall_sync(init_32bit_el0_mask);
+
 static bool __maybe_unused
 cpufeature_pan_not_uao(const struct arm64_cpu_capabilities *entry, int __unused)
 {
@@ -2852,30 +3087,57 @@
 	return rc;
 }
 
-bool try_emulate_mrs(struct pt_regs *regs, u32 insn)
+static int emulate_mrs(struct pt_regs *regs, u32 insn)
 {
 	u32 sys_reg, rt;
 
-	if (compat_user_mode(regs) || !aarch64_insn_is_mrs(insn))
-		return false;
-
 	/*
 	 * sys_reg values are defined as used in mrs/msr instruction.
 	 * shift the imm value to get the encoding.
 	 */
 	sys_reg = (u32)aarch64_insn_decode_immediate(AARCH64_INSN_IMM_16, insn) << 5;
 	rt = aarch64_insn_decode_register(AARCH64_INSN_REGTYPE_RT, insn);
-	return do_emulate_mrs(regs, sys_reg, rt) == 0;
+	return do_emulate_mrs(regs, sys_reg, rt);
+}
+
+static struct undef_hook mrs_hook = {
+	.instr_mask = 0xfff00000,
+	.instr_val  = 0xd5300000,
+	.pstate_mask = PSR_AA32_MODE_MASK,
+	.pstate_val = PSR_MODE_EL0t,
+	.fn = emulate_mrs,
+};
+
+static int __init enable_mrs_emulation(void)
+{
+	register_undef_hook(&mrs_hook);
+	return 0;
+}
+
+core_initcall(enable_mrs_emulation);
+
+enum mitigation_state arm64_get_meltdown_state(void)
+{
+	if (__meltdown_safe)
+		return SPECTRE_UNAFFECTED;
+
+	if (arm64_kernel_unmapped_at_el0())
+		return SPECTRE_MITIGATED;
+
+	return SPECTRE_VULNERABLE;
 }
 
 ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr,
 			  char *buf)
 {
-	if (__meltdown_safe)
+	switch (arm64_get_meltdown_state()) {
+	case SPECTRE_UNAFFECTED:
 		return sprintf(buf, "Not affected\n");
 
-	if (arm64_kernel_unmapped_at_el0())
+	case SPECTRE_MITIGATED:
 		return sprintf(buf, "Mitigation: PTI\n");
 
-	return sprintf(buf, "Vulnerable\n");
+	default:
+		return sprintf(buf, "Vulnerable\n");
+	}
 }
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 4c0e727..2a72a34 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -97,6 +97,7 @@
 	[KERNEL_HWCAP_ECV]		= "ecv",
 	[KERNEL_HWCAP_AFP]		= "afp",
 	[KERNEL_HWCAP_RPRES]		= "rpres",
+	[KERNEL_HWCAP_MTE3]		= "mte3",
 };
 
 #ifdef CONFIG_COMPAT
@@ -347,6 +348,32 @@
 	pr_info("Detected %s I-cache on CPU%d\n", icache_policy_str[l1ip], cpu);
 }
 
+static void __cpuinfo_store_cpu_32bit(struct cpuinfo_32bit *info)
+{
+	info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
+	info->reg_id_dfr1 = read_cpuid(ID_DFR1_EL1);
+	info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
+	info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
+	info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
+	info->reg_id_isar3 = read_cpuid(ID_ISAR3_EL1);
+	info->reg_id_isar4 = read_cpuid(ID_ISAR4_EL1);
+	info->reg_id_isar5 = read_cpuid(ID_ISAR5_EL1);
+	info->reg_id_isar6 = read_cpuid(ID_ISAR6_EL1);
+	info->reg_id_mmfr0 = read_cpuid(ID_MMFR0_EL1);
+	info->reg_id_mmfr1 = read_cpuid(ID_MMFR1_EL1);
+	info->reg_id_mmfr2 = read_cpuid(ID_MMFR2_EL1);
+	info->reg_id_mmfr3 = read_cpuid(ID_MMFR3_EL1);
+	info->reg_id_mmfr4 = read_cpuid(ID_MMFR4_EL1);
+	info->reg_id_mmfr5 = read_cpuid(ID_MMFR5_EL1);
+	info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
+	info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
+	info->reg_id_pfr2 = read_cpuid(ID_PFR2_EL1);
+
+	info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
+	info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
+	info->reg_mvfr2 = read_cpuid(MVFR2_EL1);
+}
+
 static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
 {
 	info->reg_cntfrq = arch_timer_get_cntfrq();
@@ -375,31 +402,8 @@
 	info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1);
 	info->reg_id_aa64zfr0 = read_cpuid(ID_AA64ZFR0_EL1);
 
-	/* Update the 32bit ID registers only if AArch32 is implemented */
-	if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
-		info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
-		info->reg_id_dfr1 = read_cpuid(ID_DFR1_EL1);
-		info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
-		info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
-		info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
-		info->reg_id_isar3 = read_cpuid(ID_ISAR3_EL1);
-		info->reg_id_isar4 = read_cpuid(ID_ISAR4_EL1);
-		info->reg_id_isar5 = read_cpuid(ID_ISAR5_EL1);
-		info->reg_id_isar6 = read_cpuid(ID_ISAR6_EL1);
-		info->reg_id_mmfr0 = read_cpuid(ID_MMFR0_EL1);
-		info->reg_id_mmfr1 = read_cpuid(ID_MMFR1_EL1);
-		info->reg_id_mmfr2 = read_cpuid(ID_MMFR2_EL1);
-		info->reg_id_mmfr3 = read_cpuid(ID_MMFR3_EL1);
-		info->reg_id_mmfr4 = read_cpuid(ID_MMFR4_EL1);
-		info->reg_id_mmfr5 = read_cpuid(ID_MMFR5_EL1);
-		info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
-		info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
-		info->reg_id_pfr2 = read_cpuid(ID_PFR2_EL1);
-
-		info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
-		info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
-		info->reg_mvfr2 = read_cpuid(MVFR2_EL1);
-	}
+	if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0))
+		__cpuinfo_store_cpu_32bit(&info->aarch32);
 
 	if (IS_ENABLED(CONFIG_ARM64_SVE) &&
 	    id_aa64pfr0_sve(info->reg_id_aa64pfr0))
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 38a0213..b1caa93 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -234,9 +234,8 @@
 	if (interrupts_enabled(regs))
 		local_irq_enable();
 
-	arm64_force_sig_fault(SIGTRAP, si_code,
-			     (void __user *)instruction_pointer(regs),
-			     "User debug trap");
+	arm64_force_sig_fault(SIGTRAP, si_code, instruction_pointer(regs),
+			      "User debug trap");
 }
 
 static int single_step_handler(unsigned long unused, unsigned int esr,
@@ -284,21 +283,25 @@
 {
 	register_debug_hook(&hook->node, &user_break_hook);
 }
+EXPORT_SYMBOL_GPL(register_user_break_hook);
 
 void unregister_user_break_hook(struct break_hook *hook)
 {
 	unregister_debug_hook(&hook->node);
 }
+EXPORT_SYMBOL_GPL(unregister_user_break_hook);
 
 void register_kernel_break_hook(struct break_hook *hook)
 {
 	register_debug_hook(&hook->node, &kernel_break_hook);
 }
+EXPORT_SYMBOL_GPL(register_kernel_break_hook);
 
 void unregister_kernel_break_hook(struct break_hook *hook)
 {
 	unregister_debug_hook(&hook->node);
 }
+EXPORT_SYMBOL_GPL(unregister_kernel_break_hook);
 
 static int call_break_hook(struct pt_regs *regs, unsigned int esr)
 {
diff --git a/arch/arm64/kernel/efi-entry.S b/arch/arm64/kernel/efi-entry.S
index 0073b24b..61a87fa 100644
--- a/arch/arm64/kernel/efi-entry.S
+++ b/arch/arm64/kernel/efi-entry.S
@@ -28,7 +28,8 @@
 	 * stale icache entries from before relocation.
 	 */
 	ldr	w1, =kernel_size
-	bl	__clean_dcache_area_poc
+	add	x1, x0, x1
+	bl	dcache_clean_poc
 	ic	ialluis
 
 	/*
@@ -36,8 +37,8 @@
 	 * so that we can safely disable the MMU and caches.
 	 */
 	adr	x0, 0f
-	ldr	w1, 3f
-	bl	__clean_dcache_area_poc
+	adr	x1, 3f
+	bl	dcache_clean_poc
 0:
 	/* Turn off Dcache and MMU */
 	mrs	x0, CurrentEL
@@ -64,5 +65,5 @@
 	mov	x2, xzr
 	mov	x3, xzr
 	br	x19
+3:
 SYM_CODE_END(efi_enter_kernel)
-3:	.long	. - 0b
diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c
index 7a8cd85..64cfe4a 100644
--- a/arch/arm64/kernel/entry-common.c
+++ b/arch/arm64/kernel/entry-common.c
@@ -37,6 +37,8 @@
 	lockdep_hardirqs_off(CALLER_ADDR0);
 	rcu_irq_enter_check_tick();
 	trace_hardirqs_off_finish();
+
+	mte_check_tfsr_entry();
 }
 
 /*
@@ -47,6 +49,8 @@
 {
 	lockdep_assert_irqs_disabled();
 
+	mte_check_tfsr_exit();
+
 	if (interrupts_enabled(regs)) {
 		if (regs->exit_rcu) {
 			trace_hardirqs_on_prepare();
@@ -115,7 +119,6 @@
 
 	enter_from_kernel_mode(regs);
 	local_daif_inherit(regs);
-	far = untagged_addr(far);
 	do_mem_abort(far, esr, regs);
 	local_daif_mask();
 	exit_to_kernel_mode(regs);
@@ -132,20 +135,11 @@
 	exit_to_kernel_mode(regs);
 }
 
-static void noinstr el1_undef(struct pt_regs *regs, unsigned long esr)
+static void noinstr el1_undef(struct pt_regs *regs)
 {
 	enter_from_kernel_mode(regs);
 	local_daif_inherit(regs);
-	do_el1_undef(regs, esr);
-	local_daif_mask();
-	exit_to_kernel_mode(regs);
-}
-
-static void noinstr el1_bti(struct pt_regs *regs, unsigned long esr)
-{
-	enter_from_kernel_mode(regs);
-	local_daif_inherit(regs);
-	do_el1_bti(regs, esr);
+	do_undefinstr(regs);
 	local_daif_mask();
 	exit_to_kernel_mode(regs);
 }
@@ -196,7 +190,7 @@
 {
 	enter_from_kernel_mode(regs);
 	local_daif_inherit(regs);
-	do_el1_fpac(regs, esr);
+	do_ptrauth_fault(regs, esr);
 	local_daif_mask();
 	exit_to_kernel_mode(regs);
 }
@@ -219,10 +213,7 @@
 		break;
 	case ESR_ELx_EC_SYS64:
 	case ESR_ELx_EC_UNKNOWN:
-		el1_undef(regs, esr);
-		break;
-	case ESR_ELx_EC_BTI:
-		el1_bti(regs, esr);
+		el1_undef(regs);
 		break;
 	case ESR_ELx_EC_BREAKPT_CUR:
 	case ESR_ELx_EC_SOFTSTP_CUR:
@@ -248,6 +239,8 @@
 
 asmlinkage void noinstr exit_to_user_mode(void)
 {
+	mte_check_tfsr_exit();
+
 	trace_hardirqs_on_prepare();
 	lockdep_hardirqs_on_prepare(CALLER_ADDR0);
 	user_enter_irqoff();
@@ -260,7 +253,6 @@
 
 	enter_from_user_mode();
 	local_daif_restore(DAIF_PROCCTX);
-	far = untagged_addr(far);
 	do_mem_abort(far, esr, regs);
 }
 
@@ -306,7 +298,7 @@
 {
 	enter_from_user_mode();
 	local_daif_restore(DAIF_PROCCTX);
-	do_el0_sys(esr, regs);
+	do_sysinstr(esr, regs);
 }
 
 static void noinstr el0_pc(struct pt_regs *regs, unsigned long esr)
@@ -328,18 +320,18 @@
 	do_sp_pc_abort(regs->sp, esr, regs);
 }
 
-static void noinstr el0_undef(struct pt_regs *regs, unsigned long esr)
+static void noinstr el0_undef(struct pt_regs *regs)
 {
 	enter_from_user_mode();
 	local_daif_restore(DAIF_PROCCTX);
-	do_el0_undef(regs, esr);
+	do_undefinstr(regs);
 }
 
 static void noinstr el0_bti(struct pt_regs *regs)
 {
 	enter_from_user_mode();
 	local_daif_restore(DAIF_PROCCTX);
-	do_el0_bti(regs);
+	do_bti(regs);
 }
 
 static void noinstr el0_inv(struct pt_regs *regs, unsigned long esr)
@@ -369,7 +361,7 @@
 {
 	enter_from_user_mode();
 	local_daif_restore(DAIF_PROCCTX);
-	do_el0_fpac(regs, esr);
+	do_ptrauth_fault(regs, esr);
 }
 
 asmlinkage void noinstr el0_sync_handler(struct pt_regs *regs)
@@ -406,7 +398,7 @@
 		el0_pc(regs, esr);
 		break;
 	case ESR_ELx_EC_UNKNOWN:
-		el0_undef(regs, esr);
+		el0_undef(regs);
 		break;
 	case ESR_ELx_EC_BTI:
 		el0_bti(regs);
@@ -430,7 +422,7 @@
 {
 	enter_from_user_mode();
 	local_daif_restore(DAIF_PROCCTX);
-	do_el0_cp15(esr, regs);
+	do_cp15instr(esr, regs);
 }
 
 static void noinstr el0_svc_compat(struct pt_regs *regs)
@@ -466,7 +458,7 @@
 	case ESR_ELx_EC_CP14_MR:
 	case ESR_ELx_EC_CP14_LS:
 	case ESR_ELx_EC_CP14_64:
-		el0_undef(regs, esr);
+		el0_undef(regs);
 		break;
 	case ESR_ELx_EC_CP15_32:
 	case ESR_ELx_EC_CP15_64:
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index a94acea..0350ea6 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -155,33 +155,72 @@
 	.endm
 
 	/* Check for MTE asynchronous tag check faults */
-	.macro check_mte_async_tcf, tmp, ti_flags
+	.macro check_mte_async_tcf, tmp, ti_flags, thread_sctlr
 #ifdef CONFIG_ARM64_MTE
 	.arch_extension lse
 alternative_if_not ARM64_MTE
 	b	1f
 alternative_else_nop_endif
+	/*
+	 * Asynchronous tag check faults are only possible in ASYNC (2) or
+	 * ASYM (3) modes. In each of these modes bit 1 of SCTLR_EL1.TCF0 is
+	 * set, so skip the check if it is unset.
+	 */
+	tbz	\thread_sctlr, #(SCTLR_EL1_TCF0_SHIFT + 1), 1f
 	mrs_s	\tmp, SYS_TFSRE0_EL1
 	tbz	\tmp, #SYS_TFSR_EL1_TF0_SHIFT, 1f
 	/* Asynchronous TCF occurred for TTBR0 access, set the TI flag */
 	mov	\tmp, #_TIF_MTE_ASYNC_FAULT
 	add	\ti_flags, tsk, #TSK_TI_FLAGS
 	stset	\tmp, [\ti_flags]
-	msr_s	SYS_TFSRE0_EL1, xzr
 1:
 #endif
 	.endm
 
 	/* Clear the MTE asynchronous tag check faults */
-	.macro clear_mte_async_tcf
+	.macro clear_mte_async_tcf thread_sctlr
 #ifdef CONFIG_ARM64_MTE
 alternative_if ARM64_MTE
+	/* See comment in check_mte_async_tcf above. */
+	tbz	\thread_sctlr, #(SCTLR_EL1_TCF0_SHIFT + 1), 1f
 	dsb	ish
 	msr_s	SYS_TFSRE0_EL1, xzr
+1:
 alternative_else_nop_endif
 #endif
 	.endm
 
+	.macro mte_set_gcr, mte_ctrl, tmp
+#ifdef CONFIG_ARM64_MTE
+	ubfx	\tmp, \mte_ctrl, #MTE_CTRL_GCR_USER_EXCL_SHIFT, #16
+	orr	\tmp, \tmp, #SYS_GCR_EL1_RRND
+	msr_s	SYS_GCR_EL1, \tmp
+#endif
+	.endm
+
+	.macro mte_set_kernel_gcr, tmp, tmp2
+#ifdef CONFIG_KASAN_HW_TAGS
+alternative_cb	kasan_hw_tags_enable
+	b	1f
+alternative_cb_end
+	mov	\tmp, KERNEL_GCR_EL1
+	msr_s	SYS_GCR_EL1, \tmp
+1:
+#endif
+	.endm
+
+	.macro mte_set_user_gcr, tsk, tmp, tmp2
+#ifdef CONFIG_KASAN_HW_TAGS
+alternative_cb	kasan_hw_tags_enable
+	b	1f
+alternative_cb_end
+	ldr	\tmp, [\tsk, #THREAD_MTE_CTRL]
+
+	mte_set_gcr \tmp, \tmp2
+1:
+#endif
+	.endm
+
 	.macro	kernel_entry, el, regsize = 64
 	.if	\regsize == 32
 	mov	w0, w0				// zero upper 32 bits of x0
@@ -216,10 +255,47 @@
 	disable_step_tsk x19, x20
 
 	/* Check for asynchronous tag check faults in user space */
-	check_mte_async_tcf x22, x23
+	ldr	x0, [tsk, THREAD_SCTLR_USER]
+	check_mte_async_tcf x22, x23, x0
+
+#ifdef CONFIG_ARM64_PTR_AUTH
+alternative_if ARM64_HAS_ADDRESS_AUTH
+	/*
+	 * Enable IA for in-kernel PAC if the task had it disabled. Although
+	 * this could be implemented with an unconditional MRS which would avoid
+	 * a load, this was measured to be slower on Cortex-A75 and Cortex-A76.
+	 *
+	 * Install the kernel IA key only if IA was enabled in the task. If IA
+	 * was disabled on kernel exit then we would have left the kernel IA
+	 * installed so there is no need to install it again.
+	 */
+	tbz	x0, SCTLR_ELx_ENIA_SHIFT, 1f
+	__ptrauth_keys_install_kernel_nosync tsk, x20, x22, x23
+	b	2f
+1:
+	mrs	x0, sctlr_el1
+	orr	x0, x0, SCTLR_ELx_ENIA
+	msr	sctlr_el1, x0
+2:
+alternative_else_nop_endif
+#endif
+
 	apply_ssbd 1, x22, x23
 
-	ptrauth_keys_install_kernel tsk, x20, x22, x23
+	mte_set_kernel_gcr x22, x23
+
+	/*
+	 * Any non-self-synchronizing system register updates required for
+	 * kernel entry should be placed before this point.
+	 */
+alternative_if ARM64_MTE
+	isb
+	b	1f
+alternative_else_nop_endif
+alternative_if ARM64_HAS_ADDRESS_AUTH
+	isb
+alternative_else_nop_endif
+1:
 
 	scs_load_current
 	.else
@@ -335,8 +411,31 @@
 3:
 	scs_save tsk, x0
 
-	/* No kernel C function calls after this as user keys are set. */
-	ptrauth_keys_install_user tsk, x0, x1, x2
+	/* Ignore asynchronous tag check faults in the uaccess routines */
+	ldr	x0, [tsk, THREAD_SCTLR_USER]
+	clear_mte_async_tcf x0
+
+#ifdef CONFIG_ARM64_PTR_AUTH
+alternative_if ARM64_HAS_ADDRESS_AUTH
+	/*
+	 * IA was enabled for in-kernel PAC. Disable it now if needed, or
+	 * alternatively install the user's IA. All other per-task keys and
+	 * SCTLR bits were updated on task switch.
+	 *
+	 * No kernel C function calls after this.
+	 */
+	tbz	x0, SCTLR_ELx_ENIA_SHIFT, 1f
+	__ptrauth_keys_install_user tsk, x0, x1, x2
+	b	2f
+1:
+	mrs	x0, sctlr_el1
+	bic	x0, x0, SCTLR_ELx_ENIA
+	msr	sctlr_el1, x0
+2:
+alternative_else_nop_endif
+#endif
+
+	mte_set_user_gcr tsk, x0, x1
 
 	apply_ssbd 0, x0, x1
 	.endif
@@ -431,7 +530,9 @@
 
 	.macro	irq_stack_entry
 	mov	x19, sp			// preserve the original sp
-	scs_save tsk			// preserve the original shadow stack
+#ifdef CONFIG_SHADOW_CALL_STACK
+	mov	x24, scs_sp		// preserve the original shadow stack
+#endif
 
 	/*
 	 * Compare sp with the base of the task stack.
@@ -452,7 +553,7 @@
 
 #ifdef CONFIG_SHADOW_CALL_STACK
 	/* also switch to the irq shadow stack */
-	adr_this_cpu scs_sp, irq_shadow_call_stack, x26
+	ldr_this_cpu scs_sp, irq_shadow_call_stack_ptr, x26
 #endif
 
 9998:
@@ -465,7 +566,9 @@
 	 */
 	.macro	irq_stack_exit
 	mov	sp, x19
-	scs_load_current
+#ifdef CONFIG_SHADOW_CALL_STACK
+	mov	scs_sp, x24
+#endif
 	.endm
 
 /* GPRs used by entry code */
@@ -751,8 +854,6 @@
 	cbnz	x2, work_pending
 finish_ret_to_user:
 	user_enter_irqoff
-	/* Ignore asynchronous tag check faults in the uaccess routines */
-	clear_mte_async_tcf
 	enable_step_tsk x19, x2
 #ifdef CONFIG_GCC_PLUGIN_STACKLEAK
 	bl	stackleak_erase
@@ -1163,9 +1264,9 @@
 #ifdef CONFIG_SHADOW_CALL_STACK
 	/* Use a separate shadow call stack for normal and critical events */
 	cbnz	w4, 3f
-	adr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_normal, tmp=x6
+	ldr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_normal_ptr, tmp=x6
 	b	4f
-3:	adr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_critical, tmp=x6
+3:	ldr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_critical_ptr, tmp=x6
 4:
 #endif
 
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index a9bbfb8..81183a38 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -78,7 +78,11 @@
  * indicate whether or not the userland FPSIMD state of the current task is
  * present in the registers. The flag is set unless the FPSIMD registers of this
  * CPU currently contain the most recent userland FPSIMD state of the current
- * task.
+ * task. If the task is behaving as a VMM, then this is will be managed by
+ * KVM which will clear it to indicate that the vcpu FPSIMD state is currently
+ * loaded on the CPU, allowing the state to be saved if a FPSIMD-aware
+ * softirq kicks in. Upon vcpu_put(), KVM will save the vcpu FP state and
+ * flag the register state as invalid.
  *
  * In order to allow softirq handlers to use FPSIMD, kernel_neon_begin() may
  * save the task's FPSIMD context back to task_struct from softirq context.
@@ -180,7 +184,7 @@
  */
 static void get_cpu_fpsimd_context(void)
 {
-	preempt_disable();
+	local_bh_disable();
 	__get_cpu_fpsimd_context();
 }
 
@@ -201,7 +205,7 @@
 static void put_cpu_fpsimd_context(void)
 {
 	__put_cpu_fpsimd_context();
-	preempt_enable();
+	local_bh_enable();
 }
 
 static bool have_cpu_fpsimd_context(void)
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 351ee64..4d1679e 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -11,7 +11,6 @@
 
 #include <linux/linkage.h>
 #include <linux/init.h>
-#include <linux/irqchip/arm-gic-v3.h>
 #include <linux/pgtable.h>
 
 #include <asm/asm_pointer_auth.h>
@@ -21,6 +20,7 @@
 #include <asm/asm-offsets.h>
 #include <asm/cache.h>
 #include <asm/cputype.h>
+#include <asm/el2_setup.h>
 #include <asm/elf.h>
 #include <asm/image.h>
 #include <asm/kernel-pgtable.h>
@@ -104,7 +104,7 @@
 	 */
 SYM_CODE_START(primary_entry)
 	bl	preserve_boot_args
-	bl	el2_setup			// Drop to EL1, w0=cpu_boot_mode
+	bl	init_kernel_el			// w0=cpu_boot_mode
 	adrp	x23, __PHYS_OFFSET
 	and	x23, x23, MIN_KIMG_ALIGN - 1	// KASLR offset, defaults to 0
 	bl	set_cpu_boot_mode_flag
@@ -132,8 +132,8 @@
 	dmb	sy				// needed before dc ivac with
 						// MMU off
 
-	mov	x1, #0x20			// 4 x 8 bytes
-	b	__inval_dcache_area		// tail call
+	add	x1, x0, #0x20			// 4 x 8 bytes
+	b	dcache_inval_poc		// tail call
 SYM_CODE_END(preserve_boot_args)
 
 /*
@@ -284,8 +284,7 @@
 	 */
 	adrp	x0, init_pg_dir
 	adrp	x1, init_pg_end
-	sub	x1, x1, x0
-	bl	__inval_dcache_area
+	bl	dcache_inval_poc
 
 	/*
 	 * Clear the init page tables.
@@ -398,13 +397,11 @@
 
 	adrp	x0, idmap_pg_dir
 	adrp	x1, idmap_pg_end
-	sub	x1, x1, x0
-	bl	__inval_dcache_area
+	bl	dcache_inval_poc
 
 	adrp	x0, init_pg_dir
 	adrp	x1, init_pg_end
-	sub	x1, x1, x0
-	bl	__inval_dcache_area
+	bl	dcache_inval_poc
 
 	ret	x28
 SYM_FUNC_END(__create_page_tables)
@@ -420,10 +417,6 @@
 	adr_l	x5, init_task
 	msr	sp_el0, x5			// Save thread_info
 
-#ifdef CONFIG_ARM64_PTR_AUTH
-	__ptrauth_keys_init_cpu	x5, x6, x7, x8
-#endif
-
 	adr_l	x8, vectors			// load VBAR_EL1 with virtual
 	msr	vbar_el1, x8			// vector table address
 	isb
@@ -449,13 +442,15 @@
 	bl	__pi_memset
 	dsb	ishst				// Make zero page visible to PTW
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	bl	kasan_early_init
 #endif
+	mov	x0, x21				// pass FDT address in x0
+	bl	early_fdt_map			// Try mapping the FDT early
+	bl	init_feature_override		// Parse cpu feature overrides
 #ifdef CONFIG_RANDOMIZE_BASE
 	tst	x23, ~(MIN_KIMG_ALIGN - 1)	// already running randomized?
 	b.ne	0f
-	mov	x0, x21				// pass FDT address in x0
 	bl	kaslr_early_init		// parse FDT for KASLR options
 	cbz	x0, 0f				// KASLR disabled? just proceed
 	orr	x23, x23, x0			// record KASLR offset
@@ -463,6 +458,7 @@
 	ret					// to __primary_switch()
 0:
 #endif
+	bl	switch_to_vhe			// Prefer VHE if possible
 	add	sp, sp, #16
 	mov	x29, #0
 	mov	x30, #0
@@ -483,174 +479,81 @@
 	.section ".idmap.text","awx"
 
 /*
- * If we're fortunate enough to boot at EL2, ensure that the world is
- * sane before dropping to EL1.
+ * Starting from EL2 or EL1, configure the CPU to execute at the highest
+ * reachable EL supported by the kernel in a chosen default state. If dropping
+ * from EL2 to EL1, configure EL2 before configuring EL1.
+ *
+ * Since we cannot always rely on ERET synchronizing writes to sysregs (e.g. if
+ * SCTLR_ELx.EOS is clear), we place an ISB prior to ERET.
  *
  * Returns either BOOT_CPU_MODE_EL1 or BOOT_CPU_MODE_EL2 in w0 if
  * booted in EL1 or EL2 respectively.
  */
-SYM_FUNC_START(el2_setup)
-	msr	SPsel, #1			// We want to use SP_EL{1,2}
+SYM_FUNC_START(init_kernel_el)
 	mrs	x0, CurrentEL
 	cmp	x0, #CurrentEL_EL2
-	b.eq	1f
-	mov_q	x0, (SCTLR_EL1_RES1 | ENDIAN_SET_EL1)
+	b.eq	init_el2
+
+SYM_INNER_LABEL(init_el1, SYM_L_LOCAL)
+	mov_q	x0, INIT_SCTLR_EL1_MMU_OFF
 	msr	sctlr_el1, x0
-	mov	w0, #BOOT_CPU_MODE_EL1		// This cpu booted in EL1
 	isb
-	ret
+	mov_q	x0, INIT_PSTATE_EL1
+	msr	spsr_el1, x0
+	msr	elr_el1, lr
+	mov	w0, #BOOT_CPU_MODE_EL1
+	eret
 
-1:	mov_q	x0, (SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
-	msr	sctlr_el2, x0
-
-#ifdef CONFIG_ARM64_VHE
-	/*
-	 * Check for VHE being present. For the rest of the EL2 setup,
-	 * x2 being non-zero indicates that we do have VHE, and that the
-	 * kernel is intended to run at EL2.
-	 */
-	mrs	x2, id_aa64mmfr1_el1
-	ubfx	x2, x2, #ID_AA64MMFR1_VHE_SHIFT, #4
-#else
-	mov	x2, xzr
-#endif
-
-	/* Hyp configuration. */
+SYM_INNER_LABEL(init_el2, SYM_L_LOCAL)
 	mov_q	x0, HCR_HOST_NVHE_FLAGS
-	cbz	x2, set_hcr
-	mov_q	x0, HCR_HOST_VHE_FLAGS
-set_hcr:
 	msr	hcr_el2, x0
 	isb
 
-	/*
-	 * Allow Non-secure EL1 and EL0 to access physical timer and counter.
-	 * This is not necessary for VHE, since the host kernel runs in EL2,
-	 * and EL0 accesses are configured in the later stage of boot process.
-	 * Note that when HCR_EL2.E2H == 1, CNTHCTL_EL2 has the same bit layout
-	 * as CNTKCTL_EL1, and CNTKCTL_EL1 accessing instructions are redefined
-	 * to access CNTHCTL_EL2. This allows the kernel designed to run at EL1
-	 * to transparently mess with the EL0 bits via CNTKCTL_EL1 access in
-	 * EL2.
-	 */
-	cbnz	x2, 1f
-	mrs	x0, cnthctl_el2
-	orr	x0, x0, #3			// Enable EL1 physical timers
-	msr	cnthctl_el2, x0
-1:
-	msr	cntvoff_el2, xzr		// Clear virtual offset
-
-#ifdef CONFIG_ARM_GIC_V3
-	/* GICv3 system register access */
-	mrs	x0, id_aa64pfr0_el1
-	ubfx	x0, x0, #ID_AA64PFR0_GIC_SHIFT, #4
-	cbz	x0, 3f
-
-	mrs_s	x0, SYS_ICC_SRE_EL2
-	orr	x0, x0, #ICC_SRE_EL2_SRE	// Set ICC_SRE_EL2.SRE==1
-	orr	x0, x0, #ICC_SRE_EL2_ENABLE	// Set ICC_SRE_EL2.Enable==1
-	msr_s	SYS_ICC_SRE_EL2, x0
-	isb					// Make sure SRE is now set
-	mrs_s	x0, SYS_ICC_SRE_EL2		// Read SRE back,
-	tbz	x0, #0, 3f			// and check that it sticks
-	msr_s	SYS_ICH_HCR_EL2, xzr		// Reset ICC_HCR_EL2 to defaults
-
-3:
-#endif
-
-	/* Populate ID registers. */
-	mrs	x0, midr_el1
-	mrs	x1, mpidr_el1
-	msr	vpidr_el2, x0
-	msr	vmpidr_el2, x1
-
-#ifdef CONFIG_COMPAT
-	msr	hstr_el2, xzr			// Disable CP15 traps to EL2
-#endif
-
-	/* EL2 debug */
-	mrs	x1, id_aa64dfr0_el1
-	sbfx	x0, x1, #ID_AA64DFR0_PMUVER_SHIFT, #4
-	cmp	x0, #1
-	b.lt	4f				// Skip if no PMU present
-	mrs	x0, pmcr_el0			// Disable debug access traps
-	ubfx	x0, x0, #11, #5			// to EL2 and allow access to
-4:
-	csel	x3, xzr, x0, lt			// all PMU counters from EL1
-
-	/* Statistical profiling */
-	ubfx	x0, x1, #ID_AA64DFR0_PMSVER_SHIFT, #4
-	cbz	x0, 7f				// Skip if SPE not present
-	cbnz	x2, 6f				// VHE?
-	mrs_s	x4, SYS_PMBIDR_EL1		// If SPE available at EL2,
-	and	x4, x4, #(1 << SYS_PMBIDR_EL1_P_SHIFT)
-	cbnz	x4, 5f				// then permit sampling of physical
-	mov	x4, #(1 << SYS_PMSCR_EL2_PCT_SHIFT | \
-		      1 << SYS_PMSCR_EL2_PA_SHIFT)
-	msr_s	SYS_PMSCR_EL2, x4		// addresses and physical counter
-5:
-	mov	x1, #(MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT)
-	orr	x3, x3, x1			// If we don't have VHE, then
-	b	7f				// use EL1&0 translation.
-6:						// For VHE, use EL2 translation
-	orr	x3, x3, #MDCR_EL2_TPMS		// and disable access from EL1
-7:
-	msr	mdcr_el2, x3			// Configure debug traps
-
-	/* LORegions */
-	mrs	x1, id_aa64mmfr1_el1
-	ubfx	x0, x1, #ID_AA64MMFR1_LOR_SHIFT, 4
-	cbz	x0, 1f
-	msr_s	SYS_LORC_EL1, xzr
-1:
-
-	/* Stage-2 translation */
-	msr	vttbr_el2, xzr
-
-	cbz	x2, install_el2_stub
-
-	mov	w0, #BOOT_CPU_MODE_EL2		// This CPU booted in EL2
-	isb
-	ret
-
-SYM_INNER_LABEL(install_el2_stub, SYM_L_LOCAL)
-	/*
-	 * When VHE is not in use, early init of EL2 and EL1 needs to be
-	 * done here.
-	 * When VHE _is_ in use, EL1 will not be used in the host and
-	 * requires no configuration, and all non-hyp-specific EL2 setup
-	 * will be done via the _EL1 system register aliases in __cpu_setup.
-	 */
-	mov_q	x0, (SCTLR_EL1_RES1 | ENDIAN_SET_EL1)
-	msr	sctlr_el1, x0
-
-	/* Coprocessor traps. */
-	mov	x0, #0x33ff
-	msr	cptr_el2, x0			// Disable copro. traps to EL2
-
-	/* SVE register access */
-	mrs	x1, id_aa64pfr0_el1
-	ubfx	x1, x1, #ID_AA64PFR0_SVE_SHIFT, #4
-	cbz	x1, 7f
-
-	bic	x0, x0, #CPTR_EL2_TZ		// Also disable SVE traps
-	msr	cptr_el2, x0			// Disable copro. traps to EL2
-	isb
-	mov	x1, #ZCR_ELx_LEN_MASK		// SVE: Enable full vector
-	msr_s	SYS_ZCR_EL2, x1			// length for EL1.
+	init_el2_state
 
 	/* Hypervisor stub */
-7:	adr_l	x0, __hyp_stub_vectors
+	adr_l	x0, __hyp_stub_vectors
 	msr	vbar_el2, x0
+	isb
 
-	/* spsr */
-	mov	x0, #(PSR_F_BIT | PSR_I_BIT | PSR_A_BIT | PSR_D_BIT |\
-		      PSR_MODE_EL1h)
-	msr	spsr_el2, x0
-	msr	elr_el2, lr
-	mov	w0, #BOOT_CPU_MODE_EL2		// This CPU booted in EL2
+	/*
+	 * Fruity CPUs seem to have HCR_EL2.E2H set to RES1,
+	 * making it impossible to start in nVHE mode. Is that
+	 * compliant with the architecture? Absolutely not!
+	 */
+	mrs	x0, hcr_el2
+	and	x0, x0, #HCR_E2H
+	cbz	x0, 1f
+
+	/* Switching to VHE requires a sane SCTLR_EL1 as a start */
+	mov_q	x0, INIT_SCTLR_EL1_MMU_OFF
+	msr_s	SYS_SCTLR_EL12, x0
+
+	/*
+	 * Force an eret into a helper "function", and let it return
+	 * to our original caller... This makes sure that we have
+	 * initialised the basic PSTATE state.
+	 */
+	mov	x0, #INIT_PSTATE_EL2
+	msr	spsr_el1, x0
+	adr	x0, __cpu_stick_to_vhe
+	msr	elr_el1, x0
 	eret
-SYM_FUNC_END(el2_setup)
+
+1:
+	mov_q	x0, INIT_SCTLR_EL1_MMU_OFF
+	msr	sctlr_el1, x0
+
+	msr	elr_el2, lr
+	mov	w0, #BOOT_CPU_MODE_EL2
+	eret
+
+__cpu_stick_to_vhe:
+	mov	x0, #HVC_VHE_RESTART
+	hvc	#0
+	mov	x0, #BOOT_CPU_MODE_EL2
+	ret
+SYM_FUNC_END(init_kernel_el)
 
 /*
  * Sets the __boot_cpu_mode flag depending on the CPU boot mode passed
@@ -700,7 +603,7 @@
 	 * cores are held until we're ready for them to initialise.
 	 */
 SYM_FUNC_START(secondary_holding_pen)
-	bl	el2_setup			// Drop to EL1, w0=cpu_boot_mode
+	bl	init_kernel_el			// w0=cpu_boot_mode
 	bl	set_cpu_boot_mode_flag
 	mrs	x0, mpidr_el1
 	mov_q	x1, MPIDR_HWID_BITMASK
@@ -718,7 +621,7 @@
 	 * be used where CPUs are brought online dynamically by the kernel.
 	 */
 SYM_FUNC_START(secondary_entry)
-	bl	el2_setup			// Drop to EL1
+	bl	init_kernel_el			// w0=cpu_boot_mode
 	bl	set_cpu_boot_mode_flag
 	b	secondary_startup
 SYM_FUNC_END(secondary_entry)
@@ -727,6 +630,7 @@
 	/*
 	 * Common entry point for secondary CPUs.
 	 */
+	bl	switch_to_vhe
 	bl	__cpu_secondary_check52bitva
 	bl	__cpu_setup			// initialise processor
 	adrp	x1, swapper_pg_dir
@@ -809,16 +713,9 @@
 	offset_ttbr1 x1, x3
 	msr	ttbr1_el1, x1			// load TTBR1
 	isb
-	msr	sctlr_el1, x0
-	isb
-	/*
-	 * Invalidate the local I-cache so that any instructions fetched
-	 * speculatively from the PoC are discarded, since they may have
-	 * been dynamically patched at the PoU.
-	 */
-	ic	iallu
-	dsb	nsh
-	isb
+
+	set_sctlr_el1	x0
+
 	ret
 SYM_FUNC_END(__enable_mmu)
 
@@ -990,11 +887,7 @@
 	dsb	nsh
 	isb
 
-	msr	sctlr_el1, x19			// re-enable the MMU
-	isb
-	ic	iallu				// flush instructions fetched
-	dsb	nsh				// via old mapping
-	isb
+	set_sctlr_el1	x19			// re-enable the MMU
 
 	bl	__relocate_kernel
 #endif
diff --git a/arch/arm64/kernel/hibernate-asm.S b/arch/arm64/kernel/hibernate-asm.S
index 8ccca66..81c0186 100644
--- a/arch/arm64/kernel/hibernate-asm.S
+++ b/arch/arm64/kernel/hibernate-asm.S
@@ -45,7 +45,7 @@
  * Because this code has to be copied to a 'safe' page, it can't call out to
  * other functions by PC-relative address. Also remember that it may be
  * mid-way through over-writing other functions. For this reason it contains
- * code from flush_icache_range() and uses the copy_page() macro.
+ * code from caches_clean_inval_pou() and uses the copy_page() macro.
  *
  * This 'safe' page is mapped via ttbr0, and executed from there. This function
  * switches to a copy of the linear map in ttbr1, performs the restore, then
@@ -87,11 +87,12 @@
 	copy_page	x0, x1, x2, x3, x4, x5, x6, x7, x8, x9
 
 	add	x1, x10, #PAGE_SIZE
-	/* Clean the copied page to PoU - based on flush_icache_range() */
+	/* Clean the copied page to PoU - based on caches_clean_inval_pou() */
 	raw_dcache_line_size x2, x3
 	sub	x3, x2, #1
 	bic	x4, x10, x3
-2:	dc	cvau, x4	/* clean D line / unified line */
+2:	/* clean D line / unified line */
+alternative_insn "dc cvau, x4",  "dc civac, x4",  ARM64_WORKAROUND_CLEAN_CACHE
 	add	x4, x4, x2
 	cmp	x4, x1
 	b.lo	2b
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index 4200377..03b4f13 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -250,7 +250,7 @@
 		return -ENOMEM;
 
 	memcpy(page, src_start, length);
-	__flush_icache_range((unsigned long)page, (unsigned long)page + length);
+	caches_clean_inval_pou((unsigned long)page, (unsigned long)page + length);
 
 	trans_pgd = (void *)get_safe_page(GFP_ATOMIC);
 	if (!trans_pgd)
@@ -283,8 +283,6 @@
 	return 0;
 }
 
-#define dcache_clean_range(start, end)	__flush_dcache_area(start, (end - start))
-
 #ifdef CONFIG_ARM64_MTE
 
 static DEFINE_XARRAY(mte_pages);
@@ -371,6 +369,11 @@
 		unsigned long pfn = xa_state.xa_index;
 		struct page *page = pfn_to_online_page(pfn);
 
+		/*
+		 * It is not required to invoke page_kasan_tag_reset(page)
+		 * at this point since the tags stored in page->flags are
+		 * already restored.
+		 */
 		mte_restore_page_tags(page_address(page), tags);
 
 		mte_free_tag_storage(tags);
@@ -421,13 +424,18 @@
 		ret = swsusp_save();
 	} else {
 		/* Clean kernel core startup/idle code to PoC*/
-		dcache_clean_range(__mmuoff_data_start, __mmuoff_data_end);
-		dcache_clean_range(__idmap_text_start, __idmap_text_end);
+		dcache_clean_inval_poc((unsigned long)__mmuoff_data_start,
+				    (unsigned long)__mmuoff_data_end);
+		dcache_clean_inval_poc((unsigned long)__idmap_text_start,
+				    (unsigned long)__idmap_text_end);
 
 		/* Clean kvm setup code to PoC? */
 		if (el2_reset_needed()) {
-			dcache_clean_range(__hyp_idmap_text_start, __hyp_idmap_text_end);
-			dcache_clean_range(__hyp_text_start, __hyp_text_end);
+			dcache_clean_inval_poc(
+				(unsigned long)__hyp_idmap_text_start,
+				(unsigned long)__hyp_idmap_text_end);
+			dcache_clean_inval_poc((unsigned long)__hyp_text_start,
+					    (unsigned long)__hyp_text_end);
 		}
 
 		swsusp_mte_restore_tags();
@@ -690,7 +698,8 @@
 	 * The hibernate exit text contains a set of el2 vectors, that will
 	 * be executed at el2 with the mmu off in order to reload hyp-stub.
 	 */
-	__flush_dcache_area(hibernate_exit, exit_size);
+	dcache_clean_inval_poc((unsigned long)hibernate_exit,
+			    (unsigned long)hibernate_exit + exit_size);
 
 	/*
 	 * KASLR will cause the el2 vectors to be in a different location in
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S
index 160f588..43d2126 100644
--- a/arch/arm64/kernel/hyp-stub.S
+++ b/arch/arm64/kernel/hyp-stub.S
@@ -8,9 +8,9 @@
 
 #include <linux/init.h>
 #include <linux/linkage.h>
-#include <linux/irqchip/arm-gic-v3.h>
 
 #include <asm/assembler.h>
+#include <asm/el2_setup.h>
 #include <asm/kvm_arm.h>
 #include <asm/kvm_asm.h>
 #include <asm/ptrace.h>
@@ -27,12 +27,12 @@
 	ventry	el2_fiq_invalid			// FIQ EL2t
 	ventry	el2_error_invalid		// Error EL2t
 
-	ventry	el2_sync_invalid		// Synchronous EL2h
+	ventry	elx_sync			// Synchronous EL2h
 	ventry	el2_irq_invalid			// IRQ EL2h
 	ventry	el2_fiq_invalid			// FIQ EL2h
 	ventry	el2_error_invalid		// Error EL2h
 
-	ventry	el1_sync			// Synchronous 64-bit EL1
+	ventry	elx_sync			// Synchronous 64-bit EL1
 	ventry	el1_irq_invalid			// IRQ 64-bit EL1
 	ventry	el1_fiq_invalid			// FIQ 64-bit EL1
 	ventry	el1_error_invalid		// Error 64-bit EL1
@@ -45,12 +45,15 @@
 
 	.align 11
 
-SYM_CODE_START_LOCAL(el1_sync)
+SYM_CODE_START_LOCAL(elx_sync)
 	cmp	x0, #HVC_SET_VECTORS
-	b.ne	2f
+	b.ne	1f
 	msr	vbar_el2, x1
 	b	9f
 
+1:	cmp	x0, #HVC_VHE_RESTART
+	b.eq	mutate_to_vhe
+
 2:	cmp	x0, #HVC_SOFT_RESTART
 	b.ne	3f
 	mov	x0, x2
@@ -68,7 +71,104 @@
 
 9:	mov	x0, xzr
 	eret
-SYM_CODE_END(el1_sync)
+SYM_CODE_END(elx_sync)
+
+// nVHE? No way! Give me the real thing!
+SYM_CODE_START_LOCAL(mutate_to_vhe)
+	// Sanity check: MMU *must* be off
+	mrs	x1, sctlr_el2
+	tbnz	x1, #0, 1f
+
+	// Needs to be VHE capable, obviously
+	mrs	x1, id_aa64mmfr1_el1
+	ubfx	x1, x1, #ID_AA64MMFR1_VHE_SHIFT, #4
+	cbz	x1, 1f
+
+	// Check whether VHE is disabled from the command line
+	adr_l	x1, id_aa64mmfr1_override
+	ldr	x2, [x1, FTR_OVR_VAL_OFFSET]
+	ldr	x1, [x1, FTR_OVR_MASK_OFFSET]
+	ubfx	x2, x2, #ID_AA64MMFR1_VHE_SHIFT, #4
+	ubfx	x1, x1, #ID_AA64MMFR1_VHE_SHIFT, #4
+	cmp	x1, xzr
+	and	x2, x2, x1
+	csinv	x2, x2, xzr, ne
+	cbnz	x2, 2f
+
+1:	mov_q	x0, HVC_STUB_ERR
+	eret
+2:
+	// Engage the VHE magic!
+	mov_q	x0, HCR_HOST_VHE_FLAGS
+	msr	hcr_el2, x0
+	isb
+
+	// Use the EL1 allocated stack, per-cpu offset
+	mrs	x0, sp_el1
+	mov	sp, x0
+	mrs	x0, tpidr_el1
+	msr	tpidr_el2, x0
+
+	// FP configuration, vectors
+	mrs_s	x0, SYS_CPACR_EL12
+	msr	cpacr_el1, x0
+	mrs_s	x0, SYS_VBAR_EL12
+	msr	vbar_el1, x0
+
+	// Use EL2 translations for SPE & TRBE and disable access from EL1
+	mrs	x0, mdcr_el2
+	bic	x0, x0, #(MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT)
+	bic	x0, x0, #(MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT)
+	msr	mdcr_el2, x0
+
+	// Transfer the MM state from EL1 to EL2
+	mrs_s	x0, SYS_TCR_EL12
+	msr	tcr_el1, x0
+	mrs_s	x0, SYS_TTBR0_EL12
+	msr	ttbr0_el1, x0
+	mrs_s	x0, SYS_TTBR1_EL12
+	msr	ttbr1_el1, x0
+	mrs_s	x0, SYS_MAIR_EL12
+	msr	mair_el1, x0
+	isb
+
+	// Hack the exception return to stay at EL2
+	mrs	x0, spsr_el1
+	and	x0, x0, #~PSR_MODE_MASK
+	mov	x1, #PSR_MODE_EL2h
+	orr	x0, x0, x1
+	msr	spsr_el1, x0
+
+	b	enter_vhe
+SYM_CODE_END(mutate_to_vhe)
+
+	// At the point where we reach enter_vhe(), we run with
+	// the MMU off (which is enforced by mutate_to_vhe()).
+	// We thus need to be in the idmap, or everything will
+	// explode when enabling the MMU.
+
+	.pushsection	.idmap.text, "ax"
+
+SYM_CODE_START_LOCAL(enter_vhe)
+	// Invalidate TLBs before enabling the MMU
+	tlbi	vmalle1
+	dsb	nsh
+	isb
+
+	// Enable the EL2 S1 MMU, as set up from EL1
+	mrs_s	x0, SYS_SCTLR_EL12
+	set_sctlr_el1	x0
+
+	// Disable the EL1 S1 MMU for a good measure
+	mov_q	x0, INIT_SCTLR_EL1_MMU_OFF
+	msr_s	SYS_SCTLR_EL12, x0
+
+	mov	x0, xzr
+
+	eret
+SYM_CODE_END(enter_vhe)
+
+	.popsection
 
 .macro invalid_vector	label
 SYM_CODE_START_LOCAL(\label)
@@ -85,6 +185,8 @@
 	invalid_vector	el1_fiq_invalid
 	invalid_vector	el1_error_invalid
 
+	.popsection
+
 /*
  * __hyp_set_vectors: Call this after boot to set the initial hypervisor
  * vectors as part of hypervisor installation.  On an SMP system, this should
@@ -118,3 +220,25 @@
 	hvc	#0
 	ret
 SYM_FUNC_END(__hyp_reset_vectors)
+
+/*
+ * Entry point to switch to VHE if deemed capable
+ */
+SYM_FUNC_START(switch_to_vhe)
+	// Need to have booted at EL2
+	adr_l	x1, __boot_cpu_mode
+	ldr	w0, [x1]
+	cmp	w0, #BOOT_CPU_MODE_EL2
+	b.ne	1f
+
+	// and still be at EL1
+	mrs	x0, CurrentEL
+	cmp	x0, #CurrentEL_EL1
+	b.ne	1f
+
+	// Turn the world upside down
+	mov	x0, #HVC_VHE_RESTART
+	hvc	#0
+1:
+	ret
+SYM_FUNC_END(switch_to_vhe)
diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c
new file mode 100644
index 0000000..c2b0bfe
--- /dev/null
+++ b/arch/arm64/kernel/idreg-override.c
@@ -0,0 +1,249 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Early cpufeature override framework
+ *
+ * Copyright (C) 2020 Google LLC
+ * Author: Marc Zyngier <maz@kernel.org>
+ */
+
+#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/libfdt.h>
+
+#include <asm/cacheflush.h>
+#include <asm/cpufeature.h>
+#include <asm/setup.h>
+
+#define FTR_DESC_NAME_LEN	20
+#define FTR_DESC_FIELD_LEN	10
+#define FTR_ALIAS_NAME_LEN	30
+#define FTR_ALIAS_OPTION_LEN	80
+
+struct ftr_set_desc {
+	char 				name[FTR_DESC_NAME_LEN];
+	struct arm64_ftr_override	*override;
+	struct {
+		char			name[FTR_DESC_FIELD_LEN];
+		u8			shift;
+		bool			(*filter)(u64 val);
+	} 				fields[];
+};
+
+static bool __init mmfr1_vh_filter(u64 val)
+{
+	/*
+	 * If we ever reach this point while running VHE, we're
+	 * guaranteed to be on one of these funky, VHE-stuck CPUs. If
+	 * the user was trying to force nVHE on us, proceed with
+	 * attitude adjustment.
+	 */
+	return !(is_kernel_in_hyp_mode() && val == 0);
+}
+
+static const struct ftr_set_desc mmfr1 __initconst = {
+	.name		= "id_aa64mmfr1",
+	.override	= &id_aa64mmfr1_override,
+	.fields		= {
+		{ "vh", ID_AA64MMFR1_VHE_SHIFT, mmfr1_vh_filter },
+		{}
+	},
+};
+
+static const struct ftr_set_desc pfr1 __initconst = {
+	.name		= "id_aa64pfr1",
+	.override	= &id_aa64pfr1_override,
+	.fields		= {
+	        { "bt", ID_AA64PFR1_BT_SHIFT },
+		{ "mte", ID_AA64PFR1_MTE_SHIFT},
+		{}
+	},
+};
+
+static const struct ftr_set_desc isar1 __initconst = {
+	.name		= "id_aa64isar1",
+	.override	= &id_aa64isar1_override,
+	.fields		= {
+	        { "gpi", ID_AA64ISAR1_GPI_SHIFT },
+	        { "gpa", ID_AA64ISAR1_GPA_SHIFT },
+	        { "api", ID_AA64ISAR1_API_SHIFT },
+	        { "apa", ID_AA64ISAR1_APA_SHIFT },
+		{}
+	},
+};
+
+extern struct arm64_ftr_override kaslr_feature_override;
+
+static const struct ftr_set_desc kaslr __initconst = {
+	.name		= "kaslr",
+#ifdef CONFIG_RANDOMIZE_BASE
+	.override	= &kaslr_feature_override,
+#endif
+	.fields		= {
+		{ "disabled", 0 },
+		{}
+	},
+};
+
+static const struct ftr_set_desc * const regs[] __initconst = {
+	&mmfr1,
+	&pfr1,
+	&isar1,
+	&kaslr,
+};
+
+static const struct {
+	char	alias[FTR_ALIAS_NAME_LEN];
+	char	feature[FTR_ALIAS_OPTION_LEN];
+} aliases[] __initconst = {
+	{ "kvm-arm.mode=nvhe",		"id_aa64mmfr1.vh=0" },
+	{ "kvm-arm.mode=protected",	"id_aa64mmfr1.vh=0" },
+	{ "arm64.nobti",		"id_aa64pfr1.bt=0" },
+	{ "arm64.nopauth",
+	  "id_aa64isar1.gpi=0 id_aa64isar1.gpa=0 "
+	  "id_aa64isar1.api=0 id_aa64isar1.apa=0"	   },
+	{ "arm64.nomte",		"id_aa64pfr1.mte=0" },
+	{ "nokaslr",			"kaslr.disabled=1" },
+};
+
+static int __init find_field(const char *cmdline,
+			     const struct ftr_set_desc *reg, int f, u64 *v)
+{
+	char opt[FTR_DESC_NAME_LEN + FTR_DESC_FIELD_LEN + 2];
+	int len;
+
+	len = snprintf(opt, ARRAY_SIZE(opt), "%s.%s=",
+		       reg->name, reg->fields[f].name);
+
+	if (!parameqn(cmdline, opt, len))
+		return -1;
+
+	return kstrtou64(cmdline + len, 0, v);
+}
+
+static void __init match_options(const char *cmdline)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(regs); i++) {
+		int f;
+
+		if (!regs[i]->override)
+			continue;
+
+		for (f = 0; strlen(regs[i]->fields[f].name); f++) {
+			u64 shift = regs[i]->fields[f].shift;
+			u64 mask = 0xfUL << shift;
+			u64 v;
+
+			if (find_field(cmdline, regs[i], f, &v))
+				continue;
+
+			/*
+			 * If an override gets filtered out, advertise
+			 * it by setting the value to 0xf, but
+			 * clearing the mask... Yes, this is fragile.
+			 */
+			if (regs[i]->fields[f].filter &&
+			    !regs[i]->fields[f].filter(v)) {
+				regs[i]->override->val  |= mask;
+				regs[i]->override->mask &= ~mask;
+				continue;
+			}
+
+			regs[i]->override->val  &= ~mask;
+			regs[i]->override->val  |= (v << shift) & mask;
+			regs[i]->override->mask |= mask;
+
+			return;
+		}
+	}
+}
+
+static __init void __parse_cmdline(const char *cmdline, bool parse_aliases)
+{
+	do {
+		char buf[256];
+		size_t len;
+		int i;
+
+		cmdline = skip_spaces(cmdline);
+
+		for (len = 0; cmdline[len] && !isspace(cmdline[len]); len++);
+		if (!len)
+			return;
+
+		len = min(len, ARRAY_SIZE(buf) - 1);
+		strncpy(buf, cmdline, len);
+		buf[len] = 0;
+
+		if (strcmp(buf, "--") == 0)
+			return;
+
+		cmdline += len;
+
+		match_options(buf);
+
+		for (i = 0; parse_aliases && i < ARRAY_SIZE(aliases); i++)
+			if (parameq(buf, aliases[i].alias))
+				__parse_cmdline(aliases[i].feature, false);
+	} while (1);
+}
+
+static __init const u8 *get_bootargs_cmdline(void)
+{
+	const u8 *prop;
+	void *fdt;
+	int node;
+
+	fdt = get_early_fdt_ptr();
+	if (!fdt)
+		return NULL;
+
+	node = fdt_path_offset(fdt, "/chosen");
+	if (node < 0)
+		return NULL;
+
+	prop = fdt_getprop(fdt, node, "bootargs", NULL);
+	if (!prop)
+		return NULL;
+
+	return strlen(prop) ? prop : NULL;
+}
+
+static __init void parse_cmdline(void)
+{
+	const u8 *prop = get_bootargs_cmdline();
+
+	if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) ||
+	    IS_ENABLED(CONFIG_CMDLINE_FORCE) ||
+	    !prop) {
+		__parse_cmdline(CONFIG_CMDLINE, true);
+	}
+
+	if (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && prop)
+		__parse_cmdline(prop, true);
+}
+
+/* Keep checkers quiet */
+void init_feature_override(void);
+
+asmlinkage void __init init_feature_override(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(regs); i++) {
+		if (regs[i]->override) {
+			regs[i]->override->val  = 0;
+			regs[i]->override->mask = 0;
+		}
+	}
+
+	parse_cmdline();
+
+	for (i = 0; i < ARRAY_SIZE(regs); i++) {
+		if (regs[i]->override)
+			dcache_clean_inval_poc((unsigned long)regs[i]->override,
+					    (unsigned long)regs[i]->override +
+					    sizeof(*regs[i]->override));
+	}
+}
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index 48e43b2..8f674fb 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -35,9 +35,9 @@
 __efistub_strcmp		= __pi_strcmp;
 __efistub_strncmp		= __pi_strncmp;
 __efistub_strrchr		= __pi_strrchr;
-__efistub___clean_dcache_area_poc = __pi___clean_dcache_area_poc;
+__efistub_dcache_clean_poc = __pi_dcache_clean_poc;
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 __efistub___memcpy		= __pi_memcpy;
 __efistub___memmove		= __pi_memmove;
 __efistub___memset		= __pi_memset;
@@ -64,26 +64,24 @@
 /* Alternative callbacks for init-time patching of nVHE hyp code. */
 KVM_NVHE_ALIAS(kvm_patch_vector_branch);
 KVM_NVHE_ALIAS(kvm_update_va_mask);
+KVM_NVHE_ALIAS(kvm_get_kimage_voffset);
+KVM_NVHE_ALIAS(kvm_get__text);
+KVM_NVHE_ALIAS(kvm_get__etext);
+KVM_NVHE_ALIAS(kvm_compute_final_ctr_el0);
+KVM_NVHE_ALIAS(spectre_bhb_patch_loop_iter);
+KVM_NVHE_ALIAS(spectre_bhb_patch_loop_mitigation_enable);
+KVM_NVHE_ALIAS(spectre_bhb_patch_wa3);
+KVM_NVHE_ALIAS(spectre_bhb_patch_clearbhb);
 
 /* Global kernel state accessed by nVHE hyp code. */
 KVM_NVHE_ALIAS(kvm_vgic_global_state);
 
-/* Kernel constant needed to compute idmap addresses. */
-KVM_NVHE_ALIAS(kimage_voffset);
-
 /* Kernel symbols used to call panic() from nVHE hyp code (via ERET). */
-KVM_NVHE_ALIAS(__hyp_panic_string);
-KVM_NVHE_ALIAS(panic);
+KVM_NVHE_ALIAS(nvhe_hyp_panic_handler);
 
 /* Vectors installed by hyp-init on reset HVC. */
 KVM_NVHE_ALIAS(__hyp_stub_vectors);
 
-/* IDMAP TCR_EL1.T0SZ as computed by the EL1 init code */
-KVM_NVHE_ALIAS(idmap_t0sz);
-
-/* Kernel symbol used by icache_is_vpipt(). */
-KVM_NVHE_ALIAS(__icache_flags);
-
 /* Kernel symbols needed for cpus_have_final/const_caps checks. */
 KVM_NVHE_ALIAS(arm64_const_caps_ready);
 KVM_NVHE_ALIAS(cpu_hwcap_keys);
@@ -103,6 +101,9 @@
 KVM_NVHE_ALIAS(__start___kvm_ex_table);
 KVM_NVHE_ALIAS(__stop___kvm_ex_table);
 
+/* PMU available static key */
+KVM_NVHE_ALIAS(kvm_arm_pmu_available);
+
 /* Position-independent library routines */
 KVM_NVHE_ALIAS_HYP(clear_page, __pi_clear_page);
 KVM_NVHE_ALIAS_HYP(copy_page, __pi_copy_page);
@@ -114,6 +115,21 @@
 KVM_NVHE_ALIAS_HYP(__memset, __pi_memset);
 #endif
 
+/* Hyp memory sections */
+KVM_NVHE_ALIAS(__hyp_idmap_text_start);
+KVM_NVHE_ALIAS(__hyp_idmap_text_end);
+KVM_NVHE_ALIAS(__hyp_text_start);
+KVM_NVHE_ALIAS(__hyp_text_end);
+KVM_NVHE_ALIAS(__hyp_bss_start);
+KVM_NVHE_ALIAS(__hyp_bss_end);
+KVM_NVHE_ALIAS(__hyp_data_start);
+KVM_NVHE_ALIAS(__hyp_data_end);
+KVM_NVHE_ALIAS(__hyp_rodata_start);
+KVM_NVHE_ALIAS(__hyp_rodata_end);
+
+/* pKVM static key */
+KVM_NVHE_ALIAS(kvm_protected_mode_initialized);
+
 #endif /* CONFIG_KVM */
 
 #endif /* __ARM64_KERNEL_IMAGE_VARS_H */
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index 7d4fdf9..af94a42 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -198,7 +198,7 @@
 
 	ret = aarch64_insn_write(tp, insn);
 	if (ret == 0)
-		__flush_icache_range((uintptr_t)tp,
+		caches_clean_inval_pou((uintptr_t)tp,
 				     (uintptr_t)tp + AARCH64_INSN_SIZE);
 
 	return ret;
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index 60456a6..dfb1fea 100644
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/irqchip.h>
 #include <linux/kprobes.h>
+#include <linux/scs.h>
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
 #include <asm/daifflags.h>
@@ -27,6 +28,25 @@
 
 DEFINE_PER_CPU(unsigned long *, irq_stack_ptr);
 
+
+DECLARE_PER_CPU(unsigned long *, irq_shadow_call_stack_ptr);
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+DEFINE_PER_CPU(unsigned long *, irq_shadow_call_stack_ptr);
+#endif
+
+static void init_irq_scs(void)
+{
+	int cpu;
+
+	if (!IS_ENABLED(CONFIG_SHADOW_CALL_STACK))
+		return;
+
+	for_each_possible_cpu(cpu)
+		per_cpu(irq_shadow_call_stack_ptr, cpu) =
+			scs_alloc(cpu_to_node(cpu));
+}
+
 #ifdef CONFIG_VMAP_STACK
 static void init_irq_stacks(void)
 {
@@ -54,6 +74,7 @@
 void __init init_IRQ(void)
 {
 	init_irq_stacks();
+	init_irq_scs();
 	irqchip_init();
 	if (!handle_arch_irq)
 		panic("No interrupt controller found.");
diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c
index b181e05..cfa2cfd 100644
--- a/arch/arm64/kernel/kaslr.c
+++ b/arch/arm64/kernel/kaslr.c
@@ -19,6 +19,7 @@
 #include <asm/memory.h>
 #include <asm/mmu.h>
 #include <asm/sections.h>
+#include <asm/setup.h>
 
 enum kaslr_status {
 	KASLR_ENABLED,
@@ -50,26 +51,7 @@
 	return ret;
 }
 
-static __init const u8 *kaslr_get_cmdline(void *fdt)
-{
-	static __initconst const u8 default_cmdline[] = CONFIG_CMDLINE;
-
-	if (!IS_ENABLED(CONFIG_CMDLINE_FORCE)) {
-		int node;
-		const u8 *prop;
-
-		node = fdt_path_offset(fdt, "/chosen");
-		if (node < 0)
-			goto out;
-
-		prop = fdt_getprop(fdt, node, "bootargs", NULL);
-		if (!prop)
-			goto out;
-		return prop;
-	}
-out:
-	return default_cmdline;
-}
+struct arm64_ftr_override kaslr_feature_override __initdata;
 
 /*
  * This routine will be executed with the kernel mapped at its default virtual
@@ -79,28 +61,27 @@
  * containing function pointers) to be reinitialized, and zero-initialized
  * .bss variables will be reset to 0.
  */
-u64 __init kaslr_early_init(u64 dt_phys)
+u64 __init kaslr_early_init(void)
 {
 	void *fdt;
 	u64 seed, offset, mask, module_range;
-	const u8 *cmdline, *str;
 	unsigned long raw;
-	int size;
 
 	/*
 	 * Set a reasonable default for module_alloc_base in case
 	 * we end up running with module randomization disabled.
 	 */
 	module_alloc_base = (u64)_etext - MODULES_VSIZE;
-	__flush_dcache_area(&module_alloc_base, sizeof(module_alloc_base));
+	dcache_clean_inval_poc((unsigned long)&module_alloc_base,
+			    (unsigned long)&module_alloc_base +
+				    sizeof(module_alloc_base));
 
 	/*
 	 * Try to map the FDT early. If this fails, we simply bail,
 	 * and proceed with KASLR disabled. We will make another
 	 * attempt at mapping the FDT in setup_machine()
 	 */
-	early_fixmap_init();
-	fdt = fixmap_remap_fdt(dt_phys, &size, PAGE_KERNEL);
+	fdt = get_early_fdt_ptr();
 	if (!fdt) {
 		kaslr_status = KASLR_DISABLED_FDT_REMAP;
 		return 0;
@@ -115,9 +96,7 @@
 	 * Check if 'nokaslr' appears on the command line, and
 	 * return 0 if that is the case.
 	 */
-	cmdline = kaslr_get_cmdline(fdt);
-	str = strstr(cmdline, "nokaslr");
-	if (str == cmdline || (str > cmdline && *(str - 1) == ' ')) {
+	if (kaslr_feature_override.val & kaslr_feature_override.mask & 0xf) {
 		kaslr_status = KASLR_DISABLED_CMDLINE;
 		return 0;
 	}
@@ -151,14 +130,17 @@
 	/* use the top 16 bits to randomize the linear region */
 	memstart_offset_seed = seed >> 48;
 
-	if (IS_ENABLED(CONFIG_KASAN))
+	if (!IS_ENABLED(CONFIG_KASAN_VMALLOC) &&
+	    (IS_ENABLED(CONFIG_KASAN_GENERIC) ||
+	     IS_ENABLED(CONFIG_KASAN_SW_TAGS)))
 		/*
-		 * KASAN does not expect the module region to intersect the
-		 * vmalloc region, since shadow memory is allocated for each
-		 * module at load time, whereas the vmalloc region is shadowed
-		 * by KASAN zero pages. So keep modules out of the vmalloc
-		 * region if KASAN is enabled, and put the kernel well within
-		 * 4 GB of the module region.
+		 * KASAN without KASAN_VMALLOC does not expect the module region
+		 * to intersect the vmalloc region, since shadow memory is
+		 * allocated for each module at load time, whereas the vmalloc
+		 * region is shadowed by KASAN zero pages. So keep modules
+		 * out of the vmalloc region if KASAN is enabled without
+		 * KASAN_VMALLOC, and put the kernel well within 4 GB of the
+		 * module region.
 		 */
 		return offset % SZ_2G;
 
@@ -190,8 +172,12 @@
 	module_alloc_base += (module_range * (seed & ((1 << 21) - 1))) >> 21;
 	module_alloc_base &= PAGE_MASK;
 
-	__flush_dcache_area(&module_alloc_base, sizeof(module_alloc_base));
-	__flush_dcache_area(&memstart_offset_seed, sizeof(memstart_offset_seed));
+	dcache_clean_inval_poc((unsigned long)&module_alloc_base,
+			    (unsigned long)&module_alloc_base +
+				    sizeof(module_alloc_base));
+	dcache_clean_inval_poc((unsigned long)&memstart_offset_seed,
+			    (unsigned long)&memstart_offset_seed +
+				    sizeof(memstart_offset_seed));
 
 	return offset;
 }
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index a0b144c..9d84558 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -42,6 +42,7 @@
 	pr_debug("    start:       %lx\n", kimage->start);
 	pr_debug("    head:        %lx\n", kimage->head);
 	pr_debug("    nr_segments: %lu\n", kimage->nr_segments);
+	pr_debug("    kern_reloc: %pa\n", &kimage->arch.kern_reloc);
 
 	for (i = 0; i < kimage->nr_segments; i++) {
 		pr_debug("      segment[%lu]: %016lx - %016lx, 0x%lx bytes, %lu pages\n",
@@ -58,6 +59,28 @@
 	/* Empty routine needed to avoid build errors. */
 }
 
+int machine_kexec_post_load(struct kimage *kimage)
+{
+	void *reloc_code = page_to_virt(kimage->control_code_page);
+
+	memcpy(reloc_code, arm64_relocate_new_kernel,
+	       arm64_relocate_new_kernel_size);
+	kimage->arch.kern_reloc = __pa(reloc_code);
+
+	/*
+	 * For execution with the MMU off, reloc_code needs to be cleaned to the
+	 * PoC and invalidated from the I-cache.
+	 */
+	dcache_clean_inval_poc((unsigned long)reloc_code,
+			    (unsigned long)reloc_code +
+				    arm64_relocate_new_kernel_size);
+	icache_inval_pou((uintptr_t)reloc_code,
+				(uintptr_t)reloc_code +
+					arm64_relocate_new_kernel_size);
+
+	return 0;
+}
+
 /**
  * machine_kexec_prepare - Prepare for a kexec reboot.
  *
@@ -86,16 +109,18 @@
 
 	for (entry = &kimage->head; ; entry++) {
 		unsigned int flag;
-		void *addr;
+		unsigned long addr;
 
 		/* flush the list entries. */
-		__flush_dcache_area(entry, sizeof(kimage_entry_t));
+		dcache_clean_inval_poc((unsigned long)entry,
+				    (unsigned long)entry +
+					    sizeof(kimage_entry_t));
 
 		flag = *entry & IND_FLAGS;
 		if (flag == IND_DONE)
 			break;
 
-		addr = phys_to_virt(*entry & PAGE_MASK);
+		addr = (unsigned long)phys_to_virt(*entry & PAGE_MASK);
 
 		switch (flag) {
 		case IND_INDIRECTION:
@@ -104,7 +129,7 @@
 			break;
 		case IND_SOURCE:
 			/* flush the source pages. */
-			__flush_dcache_area(addr, PAGE_SIZE);
+			dcache_clean_inval_poc(addr, addr + PAGE_SIZE);
 			break;
 		case IND_DESTINATION:
 			break;
@@ -131,8 +156,10 @@
 			kimage->segment[i].memsz,
 			kimage->segment[i].memsz /  PAGE_SIZE);
 
-		__flush_dcache_area(phys_to_virt(kimage->segment[i].mem),
-			kimage->segment[i].memsz);
+		dcache_clean_inval_poc(
+			(unsigned long)phys_to_virt(kimage->segment[i].mem),
+			(unsigned long)phys_to_virt(kimage->segment[i].mem) +
+				kimage->segment[i].memsz);
 	}
 }
 
@@ -143,8 +170,6 @@
  */
 void machine_kexec(struct kimage *kimage)
 {
-	phys_addr_t reboot_code_buffer_phys;
-	void *reboot_code_buffer;
 	bool in_kexec_crash = (kimage == kexec_crash_image);
 	bool stuck_cpus = cpus_are_stuck_in_kernel();
 
@@ -155,31 +180,8 @@
 	WARN(in_kexec_crash && (stuck_cpus || smp_crash_stop_failed()),
 		"Some CPUs may be stale, kdump will be unreliable.\n");
 
-	reboot_code_buffer_phys = page_to_phys(kimage->control_code_page);
-	reboot_code_buffer = phys_to_virt(reboot_code_buffer_phys);
-
 	kexec_image_info(kimage);
 
-	/*
-	 * Copy arm64_relocate_new_kernel to the reboot_code_buffer for use
-	 * after the kernel is shut down.
-	 */
-	memcpy(reboot_code_buffer, arm64_relocate_new_kernel,
-		arm64_relocate_new_kernel_size);
-
-	/* Flush the reboot_code_buffer in preparation for its execution. */
-	__flush_dcache_area(reboot_code_buffer, arm64_relocate_new_kernel_size);
-
-	/*
-	 * Although we've killed off the secondary CPUs, we don't update
-	 * the online mask if we're handling a crash kernel and consequently
-	 * need to avoid flush_icache_range(), which will attempt to IPI
-	 * the offline CPUs. Therefore, we must use the __* variant here.
-	 */
-	__flush_icache_range((uintptr_t)reboot_code_buffer,
-			     (uintptr_t)reboot_code_buffer +
-			     arm64_relocate_new_kernel_size);
-
 	/* Flush the kimage list and its buffers. */
 	kexec_list_flush(kimage);
 
@@ -193,7 +195,7 @@
 
 	/*
 	 * cpu_soft_restart will shutdown the MMU, disable data caches, then
-	 * transfer control to the reboot_code_buffer which contains a copy of
+	 * transfer control to the kern_reloc which contains a copy of
 	 * the arm64_relocate_new_kernel routine.  arm64_relocate_new_kernel
 	 * uses physical addressing to relocate the new image to its final
 	 * position and transfers control to the image entry point when the
@@ -203,12 +205,8 @@
 	 * userspace (kexec-tools).
 	 * In kexec_file case, the kernel starts directly without purgatory.
 	 */
-	cpu_soft_restart(reboot_code_buffer_phys, kimage->head, kimage->start,
-#ifdef CONFIG_KEXEC_FILE
-						kimage->arch.dtb_mem);
-#else
-						0);
-#endif
+	cpu_soft_restart(kimage->arch.kern_reloc, kimage->head, kimage->start,
+			 kimage->arch.dtb_mem);
 
 	BUG(); /* Should never get here. */
 }
diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
index 2a1ad95..f2d4bb1 100644
--- a/arch/arm64/kernel/module.c
+++ b/arch/arm64/kernel/module.c
@@ -30,22 +30,26 @@
 	if (IS_ENABLED(CONFIG_ARM64_MODULE_PLTS))
 		gfp_mask |= __GFP_NOWARN;
 
-	if (IS_ENABLED(CONFIG_KASAN))
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC) ||
+	    IS_ENABLED(CONFIG_KASAN_SW_TAGS))
 		/* don't exceed the static module region - see below */
 		module_alloc_end = MODULES_END;
 
 	p = __vmalloc_node_range(size, MODULE_ALIGN, module_alloc_base,
-				module_alloc_end, gfp_mask, PAGE_KERNEL, 0,
+				module_alloc_end, gfp_mask, PAGE_KERNEL, VM_DEFER_KMEMLEAK,
 				NUMA_NO_NODE, __builtin_return_address(0));
 
 	if (!p && IS_ENABLED(CONFIG_ARM64_MODULE_PLTS) &&
-	    !IS_ENABLED(CONFIG_KASAN))
+	    (IS_ENABLED(CONFIG_KASAN_VMALLOC) ||
+	     (!IS_ENABLED(CONFIG_KASAN_GENERIC) &&
+	      !IS_ENABLED(CONFIG_KASAN_SW_TAGS))))
 		/*
-		 * KASAN can only deal with module allocations being served
-		 * from the reserved module region, since the remainder of
-		 * the vmalloc region is already backed by zero shadow pages,
-		 * and punching holes into it is non-trivial. Since the module
-		 * region is not randomized when KASAN is enabled, it is even
+		 * KASAN without KASAN_VMALLOC can only deal with module
+		 * allocations being served from the reserved module region,
+		 * since the remainder of the vmalloc region is already
+		 * backed by zero shadow pages, and punching holes into it
+		 * is non-trivial. Since the module region is not randomized
+		 * when KASAN is enabled without KASAN_VMALLOC, it is even
 		 * less likely that the module region gets exhausted, so we
 		 * can simply omit this fallback in that case.
 		 */
@@ -54,12 +58,13 @@
 				PAGE_KERNEL, 0, NUMA_NO_NODE,
 				__builtin_return_address(0));
 
-	if (p && (kasan_module_alloc(p, size) < 0)) {
+	if (p && (kasan_alloc_module_shadow(p, size, gfp_mask) < 0)) {
 		vfree(p);
 		return NULL;
 	}
 
-	return p;
+	/* Memory is intended to be executable, reset the pointer tag. */
+	return kasan_reset_tag(p);
 }
 
 enum aarch64_reloc_op {
diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c
index 4a069f8..6c40c20 100644
--- a/arch/arm64/kernel/mte.c
+++ b/arch/arm64/kernel/mte.c
@@ -4,6 +4,7 @@
  */
 
 #include <linux/bitops.h>
+#include <linux/cpu.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/prctl.h>
@@ -13,17 +14,29 @@
 #include <linux/swap.h>
 #include <linux/swapops.h>
 #include <linux/thread_info.h>
+#include <linux/types.h>
 #include <linux/uio.h>
 
+#include <asm/barrier.h>
 #include <asm/cpufeature.h>
 #include <asm/mte.h>
 #include <asm/ptrace.h>
 #include <asm/sysreg.h>
 
-static void mte_sync_page_tags(struct page *page, pte_t *ptep, bool check_swap)
-{
-	pte_t old_pte = READ_ONCE(*ptep);
+static DEFINE_PER_CPU_READ_MOSTLY(u64, mte_tcf_preferred);
 
+#ifdef CONFIG_KASAN_HW_TAGS
+/*
+ * The asynchronous and asymmetric MTE modes have the same behavior for
+ * store operations. This flag is set when either of these modes is enabled.
+ */
+DEFINE_STATIC_KEY_FALSE(mte_async_or_asymm_mode);
+EXPORT_SYMBOL_GPL(mte_async_or_asymm_mode);
+#endif
+
+static void mte_sync_page_tags(struct page *page, pte_t old_pte,
+			       bool check_swap, bool pte_is_tagged)
+{
 	if (check_swap && is_swap_pte(old_pte)) {
 		swp_entry_t entry = pte_to_swp_entry(old_pte);
 
@@ -31,19 +44,37 @@
 			return;
 	}
 
+	if (!pte_is_tagged)
+		return;
+
+	page_kasan_tag_reset(page);
+	/*
+	 * We need smp_wmb() in between setting the flags and clearing the
+	 * tags because if another thread reads page->flags and builds a
+	 * tagged address out of it, there is an actual dependency to the
+	 * memory access, but on the current thread we do not guarantee that
+	 * the new page->flags are visible before the tags were updated.
+	 */
+	smp_wmb();
 	mte_clear_page_tags(page_address(page));
 }
 
-void mte_sync_tags(pte_t *ptep, pte_t pte)
+void mte_sync_tags(pte_t old_pte, pte_t pte)
 {
 	struct page *page = pte_page(pte);
 	long i, nr_pages = compound_nr(page);
 	bool check_swap = nr_pages == 1;
+	bool pte_is_tagged = pte_tagged(pte);
+
+	/* Early out if there's nothing to do */
+	if (!check_swap && !pte_is_tagged)
+		return;
 
 	/* if PG_mte_tagged is set, tags have already been initialised */
 	for (i = 0; i < nr_pages; i++, page++) {
 		if (!test_and_set_bit(PG_mte_tagged, &page->flags))
-			mte_sync_page_tags(page, ptep, check_swap);
+			mte_sync_page_tags(page, old_pte, check_swap,
+					   pte_is_tagged);
 	}
 
 	/* ensure the tags are visible before the PTE is set */
@@ -75,46 +106,152 @@
 	return ret;
 }
 
-static void update_sctlr_el1_tcf0(u64 tcf0)
+static inline void __mte_enable_kernel(const char *mode, unsigned long tcf)
 {
-	/* ISB required for the kernel uaccess routines */
-	sysreg_clear_set(sctlr_el1, SCTLR_EL1_TCF0_MASK, tcf0);
+	/* Enable MTE Sync Mode for EL1. */
+	sysreg_clear_set(sctlr_el1, SCTLR_ELx_TCF_MASK, tcf);
 	isb();
+
+	pr_info_once("MTE: enabled in %s mode at EL1\n", mode);
 }
 
-static void set_sctlr_el1_tcf0(u64 tcf0)
+#ifdef CONFIG_KASAN_HW_TAGS
+void mte_enable_kernel_sync(void)
 {
 	/*
-	 * mte_thread_switch() checks current->thread.sctlr_tcf0 as an
-	 * optimisation. Disable preemption so that it does not see
-	 * the variable update before the SCTLR_EL1.TCF0 one.
+	 * Make sure we enter this function when no PE has set
+	 * async mode previously.
 	 */
-	preempt_disable();
-	current->thread.sctlr_tcf0 = tcf0;
-	update_sctlr_el1_tcf0(tcf0);
-	preempt_enable();
+	WARN_ONCE(system_uses_mte_async_or_asymm_mode(),
+			"MTE async mode enabled system wide!");
+
+	__mte_enable_kernel("synchronous", SCTLR_ELx_TCF_SYNC);
 }
 
-static void update_gcr_el1_excl(u64 incl)
+void mte_enable_kernel_async(void)
 {
-	u64 excl = ~incl & SYS_GCR_EL1_EXCL_MASK;
+	__mte_enable_kernel("asynchronous", SCTLR_ELx_TCF_ASYNC);
 
 	/*
-	 * Note that 'incl' is an include mask (controlled by the user via
-	 * prctl()) while GCR_EL1 accepts an exclude mask.
-	 * No need for ISB since this only affects EL0 currently, implicit
-	 * with ERET.
+	 * MTE async mode is set system wide by the first PE that
+	 * executes this function.
+	 *
+	 * Note: If in future KASAN acquires a runtime switching
+	 * mode in between sync and async, this strategy needs
+	 * to be reviewed.
 	 */
-	sysreg_clear_set_s(SYS_GCR_EL1, SYS_GCR_EL1_EXCL_MASK, excl);
+	if (!system_uses_mte_async_or_asymm_mode())
+		static_branch_enable(&mte_async_or_asymm_mode);
 }
 
-static void set_gcr_el1_excl(u64 incl)
+void mte_enable_kernel_asymm(void)
 {
-	current->thread.gcr_user_incl = incl;
-	update_gcr_el1_excl(incl);
+	if (cpus_have_cap(ARM64_MTE_ASYMM)) {
+		__mte_enable_kernel("asymmetric", SCTLR_ELx_TCF_ASYMM);
+
+		/*
+		 * MTE asymm mode behaves as async mode for store
+		 * operations. The mode is set system wide by the
+		 * first PE that executes this function.
+		 *
+		 * Note: If in future KASAN acquires a runtime switching
+		 * mode in between sync and async, this strategy needs
+		 * to be reviewed.
+		 */
+		if (!system_uses_mte_async_or_asymm_mode())
+			static_branch_enable(&mte_async_or_asymm_mode);
+	} else {
+		/*
+		 * If the CPU does not support MTE asymmetric mode the
+		 * kernel falls back on synchronous mode which is the
+		 * default for kasan=on.
+		 */
+		mte_enable_kernel_sync();
+	}
+}
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+void mte_check_tfsr_el1(void)
+{
+	u64 tfsr_el1 = read_sysreg_s(SYS_TFSR_EL1);
+
+	if (unlikely(tfsr_el1 & SYS_TFSR_EL1_TF1)) {
+		/*
+		 * Note: isb() is not required after this direct write
+		 * because there is no indirect read subsequent to it
+		 * (per ARM DDI 0487F.c table D13-1).
+		 */
+		write_sysreg_s(0, SYS_TFSR_EL1);
+
+		kasan_report_async();
+	}
+}
+#endif
+
+/*
+ * This is where we actually resolve the system and process MTE mode
+ * configuration into an actual value in SCTLR_EL1 that affects
+ * userspace.
+ */
+static void mte_update_sctlr_user(struct task_struct *task)
+{
+	/*
+	 * This must be called with preemption disabled and can only be called
+	 * on the current or next task since the CPU must match where the thread
+	 * is going to run. The caller is responsible for calling
+	 * update_sctlr_el1() later in the same preemption disabled block.
+	 */
+	unsigned long sctlr = task->thread.sctlr_user;
+	unsigned long mte_ctrl = task->thread.mte_ctrl;
+	unsigned long pref, resolved_mte_tcf;
+
+	pref = __this_cpu_read(mte_tcf_preferred);
+	/*
+	 * If there is no overlap between the system preferred and
+	 * program requested values go with what was requested.
+	 */
+	resolved_mte_tcf = (mte_ctrl & pref) ? pref : mte_ctrl;
+	sctlr &= ~SCTLR_EL1_TCF0_MASK;
+	/*
+	 * Pick an actual setting. The order in which we check for
+	 * set bits and map into register values determines our
+	 * default order.
+	 */
+	if (resolved_mte_tcf & MTE_CTRL_TCF_ASYMM)
+		sctlr |= SCTLR_EL1_TCF0_ASYMM;
+	else if (resolved_mte_tcf & MTE_CTRL_TCF_ASYNC)
+		sctlr |= SCTLR_EL1_TCF0_ASYNC;
+	else if (resolved_mte_tcf & MTE_CTRL_TCF_SYNC)
+		sctlr |= SCTLR_EL1_TCF0_SYNC;
+	task->thread.sctlr_user = sctlr;
 }
 
-void flush_mte_state(void)
+static void mte_update_gcr_excl(struct task_struct *task)
+{
+	/*
+	 * SYS_GCR_EL1 will be set to current->thread.mte_ctrl value by
+	 * mte_set_user_gcr() in kernel_exit, but only if KASAN is enabled.
+	 */
+	if (kasan_hw_tags_enabled())
+		return;
+
+	write_sysreg_s(
+		((task->thread.mte_ctrl >> MTE_CTRL_GCR_USER_EXCL_SHIFT) &
+		 SYS_GCR_EL1_EXCL_MASK) | SYS_GCR_EL1_RRND,
+		SYS_GCR_EL1);
+}
+
+void __init kasan_hw_tags_enable(struct alt_instr *alt, __le32 *origptr,
+				 __le32 *updptr, int nr_inst)
+{
+	BUG_ON(nr_inst != 1); /* Branch -> NOP */
+
+	if (kasan_hw_tags_enabled())
+		*updptr = cpu_to_le32(aarch64_insn_gen_nop());
+}
+
+void mte_thread_init_user(void)
 {
 	if (!system_supports_mte())
 		return;
@@ -123,10 +260,8 @@
 	dsb(ish);
 	write_sysreg_s(0, SYS_TFSRE0_EL1);
 	clear_thread_flag(TIF_MTE_ASYNC_FAULT);
-	/* disable tag checking */
-	set_sctlr_el1_tcf0(SCTLR_EL1_TCF0_NONE);
-	/* reset tag generation mask */
-	set_gcr_el1_excl(0);
+	/* disable tag checking and reset tag generation mask */
+	set_mte_ctrl(current, 0);
 }
 
 void mte_thread_switch(struct task_struct *next)
@@ -134,10 +269,77 @@
 	if (!system_supports_mte())
 		return;
 
-	/* avoid expensive SCTLR_EL1 accesses if no change */
-	if (current->thread.sctlr_tcf0 != next->thread.sctlr_tcf0)
-		update_sctlr_el1_tcf0(next->thread.sctlr_tcf0);
-	update_gcr_el1_excl(next->thread.gcr_user_incl);
+	mte_update_sctlr_user(next);
+	mte_update_gcr_excl(next);
+
+	/*
+	 * Check if an async tag exception occurred at EL1.
+	 *
+	 * Note: On the context switch path we rely on the dsb() present
+	 * in __switch_to() to guarantee that the indirect writes to TFSR_EL1
+	 * are synchronized before this point.
+	 */
+	isb();
+	mte_check_tfsr_el1();
+}
+
+void mte_cpu_setup(void)
+{
+	u64 rgsr;
+
+	/*
+	 * CnP must be enabled only after the MAIR_EL1 register has been set
+	 * up. Inconsistent MAIR_EL1 between CPUs sharing the same TLB may
+	 * lead to the wrong memory type being used for a brief window during
+	 * CPU power-up.
+	 *
+	 * CnP is not a boot feature so MTE gets enabled before CnP, but let's
+	 * make sure that is the case.
+	 */
+	BUG_ON(read_sysreg(ttbr0_el1) & TTBR_CNP_BIT);
+	BUG_ON(read_sysreg(ttbr1_el1) & TTBR_CNP_BIT);
+
+	/* Normal Tagged memory type at the corresponding MAIR index */
+	sysreg_clear_set(mair_el1,
+			 MAIR_ATTRIDX(MAIR_ATTR_MASK, MT_NORMAL_TAGGED),
+			 MAIR_ATTRIDX(MAIR_ATTR_NORMAL_TAGGED,
+				      MT_NORMAL_TAGGED));
+
+	write_sysreg_s(KERNEL_GCR_EL1, SYS_GCR_EL1);
+
+	/*
+	 * If GCR_EL1.RRND=1 is implemented the same way as RRND=0, then
+	 * RGSR_EL1.SEED must be non-zero for IRG to produce
+	 * pseudorandom numbers. As RGSR_EL1 is UNKNOWN out of reset, we
+	 * must initialize it.
+	 */
+	rgsr = (read_sysreg(CNTVCT_EL0) & SYS_RGSR_EL1_SEED_MASK) <<
+	       SYS_RGSR_EL1_SEED_SHIFT;
+	if (rgsr == 0)
+		rgsr = 1 << SYS_RGSR_EL1_SEED_SHIFT;
+	write_sysreg_s(rgsr, SYS_RGSR_EL1);
+
+	/* clear any pending tag check faults in TFSR*_EL1 */
+	write_sysreg_s(0, SYS_TFSR_EL1);
+	write_sysreg_s(0, SYS_TFSRE0_EL1);
+
+	local_flush_tlb_all();
+}
+
+void mte_suspend_enter(void)
+{
+	if (!system_supports_mte())
+		return;
+
+	/*
+	 * The barriers are required to guarantee that the indirect writes
+	 * to TFSR_EL1 are synchronized before we report the state.
+	 */
+	dsb(nsh);
+	isb();
+
+	/* Report SYS_TFSR_EL1 before suspend entry */
+	mte_check_tfsr_el1();
 }
 
 void mte_suspend_exit(void)
@@ -145,37 +347,40 @@
 	if (!system_supports_mte())
 		return;
 
-	update_gcr_el1_excl(current->thread.gcr_user_incl);
+	mte_cpu_setup();
 }
 
 long set_mte_ctrl(struct task_struct *task, unsigned long arg)
 {
-	u64 tcf0;
-	u64 gcr_incl = (arg & PR_MTE_TAG_MASK) >> PR_MTE_TAG_SHIFT;
+	u64 mte_ctrl = (~((arg & PR_MTE_TAG_MASK) >> PR_MTE_TAG_SHIFT) &
+			SYS_GCR_EL1_EXCL_MASK) << MTE_CTRL_GCR_USER_EXCL_SHIFT;
 
 	if (!system_supports_mte())
 		return 0;
 
-	switch (arg & PR_MTE_TCF_MASK) {
-	case PR_MTE_TCF_NONE:
-		tcf0 = SCTLR_EL1_TCF0_NONE;
-		break;
-	case PR_MTE_TCF_SYNC:
-		tcf0 = SCTLR_EL1_TCF0_SYNC;
-		break;
-	case PR_MTE_TCF_ASYNC:
-		tcf0 = SCTLR_EL1_TCF0_ASYNC;
-		break;
-	default:
-		return -EINVAL;
-	}
+	if (arg & PR_MTE_TCF_ASYNC)
+		mte_ctrl |= MTE_CTRL_TCF_ASYNC;
+	if (arg & PR_MTE_TCF_SYNC)
+		mte_ctrl |= MTE_CTRL_TCF_SYNC;
 
-	if (task != current) {
-		task->thread.sctlr_tcf0 = tcf0;
-		task->thread.gcr_user_incl = gcr_incl;
-	} else {
-		set_sctlr_el1_tcf0(tcf0);
-		set_gcr_el1_excl(gcr_incl);
+	/*
+	 * If the system supports it and both sync and async modes are
+	 * specified then implicitly enable asymmetric mode.
+	 * Userspace could see a mix of both sync and async anyway due
+	 * to differing or changing defaults on CPUs.
+	 */
+	if (cpus_have_cap(ARM64_MTE_ASYMM) &&
+	    (arg & PR_MTE_TCF_ASYNC) &&
+	    (arg & PR_MTE_TCF_SYNC))
+		mte_ctrl |= MTE_CTRL_TCF_ASYMM;
+
+	task->thread.mte_ctrl = mte_ctrl;
+	if (task == current) {
+		preempt_disable();
+		mte_update_sctlr_user(task);
+		mte_update_gcr_excl(task);
+		update_sctlr_el1(task->thread.sctlr_user);
+		preempt_enable();
 	}
 
 	return 0;
@@ -184,23 +389,18 @@
 long get_mte_ctrl(struct task_struct *task)
 {
 	unsigned long ret;
+	u64 mte_ctrl = task->thread.mte_ctrl;
+	u64 incl = (~mte_ctrl >> MTE_CTRL_GCR_USER_EXCL_SHIFT) &
+		   SYS_GCR_EL1_EXCL_MASK;
 
 	if (!system_supports_mte())
 		return 0;
 
-	ret = task->thread.gcr_user_incl << PR_MTE_TAG_SHIFT;
-
-	switch (task->thread.sctlr_tcf0) {
-	case SCTLR_EL1_TCF0_NONE:
-		ret |= PR_MTE_TCF_NONE;
-		break;
-	case SCTLR_EL1_TCF0_SYNC:
-		ret |= PR_MTE_TCF_SYNC;
-		break;
-	case SCTLR_EL1_TCF0_ASYNC:
+	ret = incl << PR_MTE_TAG_SHIFT;
+	if (mte_ctrl & MTE_CTRL_TCF_ASYNC)
 		ret |= PR_MTE_TCF_ASYNC;
-		break;
-	}
+	if (mte_ctrl & MTE_CTRL_TCF_SYNC)
+		ret |= PR_MTE_TCF_SYNC;
 
 	return ret;
 }
@@ -339,3 +539,58 @@
 
 	return ret;
 }
+
+static ssize_t mte_tcf_preferred_show(struct device *dev,
+				      struct device_attribute *attr, char *buf)
+{
+	switch (per_cpu(mte_tcf_preferred, dev->id)) {
+	case MTE_CTRL_TCF_ASYNC:
+		return sysfs_emit(buf, "async\n");
+	case MTE_CTRL_TCF_SYNC:
+		return sysfs_emit(buf, "sync\n");
+	case MTE_CTRL_TCF_ASYMM:
+		return sysfs_emit(buf, "asymm\n");
+	default:
+		return sysfs_emit(buf, "???\n");
+	}
+}
+
+static ssize_t mte_tcf_preferred_store(struct device *dev,
+				       struct device_attribute *attr,
+				       const char *buf, size_t count)
+{
+	u64 tcf;
+
+	if (sysfs_streq(buf, "async"))
+		tcf = MTE_CTRL_TCF_ASYNC;
+	else if (sysfs_streq(buf, "sync"))
+		tcf = MTE_CTRL_TCF_SYNC;
+	else if (cpus_have_cap(ARM64_MTE_ASYMM) && sysfs_streq(buf, "asymm"))
+		tcf = MTE_CTRL_TCF_ASYMM;
+	else
+		return -EINVAL;
+
+	device_lock(dev);
+	per_cpu(mte_tcf_preferred, dev->id) = tcf;
+	device_unlock(dev);
+
+	return count;
+}
+static DEVICE_ATTR_RW(mte_tcf_preferred);
+
+static int register_mte_tcf_preferred_sysctl(void)
+{
+	unsigned int cpu;
+
+	if (!system_supports_mte())
+		return 0;
+
+	for_each_possible_cpu(cpu) {
+		per_cpu(mte_tcf_preferred, cpu) = MTE_CTRL_TCF_ASYNC;
+		device_create_file(get_cpu_device(cpu),
+				   &dev_attr_mte_tcf_preferred);
+	}
+
+	return 0;
+}
+subsys_initcall(register_mte_tcf_preferred_sysctl);
diff --git a/arch/arm64/kernel/perf_callchain.c b/arch/arm64/kernel/perf_callchain.c
index 58ae55d..86d9f20 100644
--- a/arch/arm64/kernel/perf_callchain.c
+++ b/arch/arm64/kernel/perf_callchain.c
@@ -118,7 +118,7 @@
 		tail = (struct frame_tail __user *)regs->regs[29];
 
 		while (entry->nr < entry->max_stack &&
-		       tail && !((unsigned long)tail & 0xf))
+		       tail && !((unsigned long)tail & 0x7))
 			tail = user_backtrace(tail, entry);
 	} else {
 #ifdef CONFIG_COMPAT
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index cdb3d45..e41cee4 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1116,17 +1116,32 @@
 	return armv8_pmu_init(cpu_pmu, name, map_event, NULL, NULL, NULL);
 }
 
-static int armv8_pmuv3_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_pmuv3",
-				       armv8_pmuv3_map_event);
+#define PMUV3_INIT_SIMPLE(name)						\
+static int name##_pmu_init(struct arm_pmu *cpu_pmu)			\
+{									\
+	return armv8_pmu_init_nogroups(cpu_pmu, #name, armv8_pmuv3_map_event);\
 }
 
-static int armv8_a34_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a34",
-				       armv8_pmuv3_map_event);
-}
+PMUV3_INIT_SIMPLE(armv8_pmuv3)
+
+PMUV3_INIT_SIMPLE(armv8_cortex_a34)
+PMUV3_INIT_SIMPLE(armv8_cortex_a55)
+PMUV3_INIT_SIMPLE(armv8_cortex_a65)
+PMUV3_INIT_SIMPLE(armv8_cortex_a75)
+PMUV3_INIT_SIMPLE(armv8_cortex_a76)
+PMUV3_INIT_SIMPLE(armv8_cortex_a77)
+PMUV3_INIT_SIMPLE(armv8_cortex_a78)
+PMUV3_INIT_SIMPLE(armv9_cortex_a510)
+PMUV3_INIT_SIMPLE(armv9_cortex_a710)
+PMUV3_INIT_SIMPLE(armv8_cortex_x1)
+PMUV3_INIT_SIMPLE(armv9_cortex_x2)
+PMUV3_INIT_SIMPLE(armv8_neoverse_e1)
+PMUV3_INIT_SIMPLE(armv8_neoverse_n1)
+PMUV3_INIT_SIMPLE(armv9_neoverse_n2)
+PMUV3_INIT_SIMPLE(armv8_neoverse_v1)
+
+PMUV3_INIT_SIMPLE(armv8_nvidia_carmel)
+PMUV3_INIT_SIMPLE(armv8_nvidia_denver)
 
 static int armv8_a35_pmu_init(struct arm_pmu *cpu_pmu)
 {
@@ -1140,24 +1155,12 @@
 				       armv8_a53_map_event);
 }
 
-static int armv8_a55_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a55",
-				       armv8_pmuv3_map_event);
-}
-
 static int armv8_a57_pmu_init(struct arm_pmu *cpu_pmu)
 {
 	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a57",
 				       armv8_a57_map_event);
 }
 
-static int armv8_a65_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a65",
-				       armv8_pmuv3_map_event);
-}
-
 static int armv8_a72_pmu_init(struct arm_pmu *cpu_pmu)
 {
 	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a72",
@@ -1170,36 +1173,6 @@
 				       armv8_a73_map_event);
 }
 
-static int armv8_a75_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a75",
-				       armv8_pmuv3_map_event);
-}
-
-static int armv8_a76_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a76",
-				       armv8_pmuv3_map_event);
-}
-
-static int armv8_a77_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a77",
-				       armv8_pmuv3_map_event);
-}
-
-static int armv8_e1_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_neoverse_e1",
-				       armv8_pmuv3_map_event);
-}
-
-static int armv8_n1_pmu_init(struct arm_pmu *cpu_pmu)
-{
-	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_neoverse_n1",
-				       armv8_pmuv3_map_event);
-}
-
 static int armv8_thunder_pmu_init(struct arm_pmu *cpu_pmu)
 {
 	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cavium_thunder",
@@ -1213,22 +1186,31 @@
 }
 
 static const struct of_device_id armv8_pmu_of_device_ids[] = {
-	{.compatible = "arm,armv8-pmuv3",	.data = armv8_pmuv3_init},
-	{.compatible = "arm,cortex-a34-pmu",	.data = armv8_a34_pmu_init},
+	{.compatible = "arm,armv8-pmuv3",	.data = armv8_pmuv3_pmu_init},
+	{.compatible = "arm,cortex-a34-pmu",	.data = armv8_cortex_a34_pmu_init},
 	{.compatible = "arm,cortex-a35-pmu",	.data = armv8_a35_pmu_init},
 	{.compatible = "arm,cortex-a53-pmu",	.data = armv8_a53_pmu_init},
-	{.compatible = "arm,cortex-a55-pmu",	.data = armv8_a55_pmu_init},
+	{.compatible = "arm,cortex-a55-pmu",	.data = armv8_cortex_a55_pmu_init},
 	{.compatible = "arm,cortex-a57-pmu",	.data = armv8_a57_pmu_init},
-	{.compatible = "arm,cortex-a65-pmu",	.data = armv8_a65_pmu_init},
+	{.compatible = "arm,cortex-a65-pmu",	.data = armv8_cortex_a65_pmu_init},
 	{.compatible = "arm,cortex-a72-pmu",	.data = armv8_a72_pmu_init},
 	{.compatible = "arm,cortex-a73-pmu",	.data = armv8_a73_pmu_init},
-	{.compatible = "arm,cortex-a75-pmu",	.data = armv8_a75_pmu_init},
-	{.compatible = "arm,cortex-a76-pmu",	.data = armv8_a76_pmu_init},
-	{.compatible = "arm,cortex-a77-pmu",	.data = armv8_a77_pmu_init},
-	{.compatible = "arm,neoverse-e1-pmu",	.data = armv8_e1_pmu_init},
-	{.compatible = "arm,neoverse-n1-pmu",	.data = armv8_n1_pmu_init},
+	{.compatible = "arm,cortex-a75-pmu",	.data = armv8_cortex_a75_pmu_init},
+	{.compatible = "arm,cortex-a76-pmu",	.data = armv8_cortex_a76_pmu_init},
+	{.compatible = "arm,cortex-a77-pmu",	.data = armv8_cortex_a77_pmu_init},
+	{.compatible = "arm,cortex-a78-pmu",	.data = armv8_cortex_a78_pmu_init},
+	{.compatible = "arm,cortex-a510-pmu",	.data = armv9_cortex_a510_pmu_init},
+	{.compatible = "arm,cortex-a710-pmu",	.data = armv9_cortex_a710_pmu_init},
+	{.compatible = "arm,cortex-x1-pmu",	.data = armv8_cortex_x1_pmu_init},
+	{.compatible = "arm,cortex-x2-pmu",	.data = armv9_cortex_x2_pmu_init},
+	{.compatible = "arm,neoverse-e1-pmu",	.data = armv8_neoverse_e1_pmu_init},
+	{.compatible = "arm,neoverse-n1-pmu",	.data = armv8_neoverse_n1_pmu_init},
+	{.compatible = "arm,neoverse-n2-pmu",	.data = armv9_neoverse_n2_pmu_init},
+	{.compatible = "arm,neoverse-v1-pmu",	.data = armv8_neoverse_v1_pmu_init},
 	{.compatible = "cavium,thunder-pmu",	.data = armv8_thunder_pmu_init},
 	{.compatible = "brcm,vulcan-pmu",	.data = armv8_vulcan_pmu_init},
+	{.compatible = "nvidia,carmel-pmu",	.data = armv8_nvidia_carmel_pmu_init},
+	{.compatible = "nvidia,denver-pmu",	.data = armv8_nvidia_denver_pmu_init},
 	{},
 };
 
@@ -1251,7 +1233,7 @@
 	if (acpi_disabled)
 		return platform_driver_register(&armv8_pmu_driver);
 	else
-		return arm_pmu_acpi_probe(armv8_pmuv3_init);
+		return arm_pmu_acpi_probe(armv8_pmuv3_pmu_init);
 }
 device_initcall(armv8_pmu_driver_init)
 
diff --git a/arch/arm64/kernel/pointer_auth.c b/arch/arm64/kernel/pointer_auth.c
index adb955fd..2708b62 100644
--- a/arch/arm64/kernel/pointer_auth.c
+++ b/arch/arm64/kernel/pointer_auth.c
@@ -43,6 +43,71 @@
 		get_random_bytes(&keys->apdb, sizeof(keys->apdb));
 	if (arg & PR_PAC_APGAKEY)
 		get_random_bytes(&keys->apga, sizeof(keys->apga));
+	ptrauth_keys_install_user(keys);
 
 	return 0;
 }
+
+static u64 arg_to_enxx_mask(unsigned long arg)
+{
+	u64 sctlr_enxx_mask = 0;
+
+	WARN_ON(arg & ~PR_PAC_ENABLED_KEYS_MASK);
+	if (arg & PR_PAC_APIAKEY)
+		sctlr_enxx_mask |= SCTLR_ELx_ENIA;
+	if (arg & PR_PAC_APIBKEY)
+		sctlr_enxx_mask |= SCTLR_ELx_ENIB;
+	if (arg & PR_PAC_APDAKEY)
+		sctlr_enxx_mask |= SCTLR_ELx_ENDA;
+	if (arg & PR_PAC_APDBKEY)
+		sctlr_enxx_mask |= SCTLR_ELx_ENDB;
+	return sctlr_enxx_mask;
+}
+
+int ptrauth_set_enabled_keys(struct task_struct *tsk, unsigned long keys,
+			     unsigned long enabled)
+{
+	u64 sctlr;
+
+	if (!system_supports_address_auth())
+		return -EINVAL;
+
+	if (is_compat_thread(task_thread_info(tsk)))
+		return -EINVAL;
+
+	if ((keys & ~PR_PAC_ENABLED_KEYS_MASK) || (enabled & ~keys))
+		return -EINVAL;
+
+	preempt_disable();
+	sctlr = tsk->thread.sctlr_user;
+	sctlr &= ~arg_to_enxx_mask(keys);
+	sctlr |= arg_to_enxx_mask(enabled);
+	tsk->thread.sctlr_user = sctlr;
+	if (tsk == current)
+		update_sctlr_el1(sctlr);
+	preempt_enable();
+
+	return 0;
+}
+
+int ptrauth_get_enabled_keys(struct task_struct *tsk)
+{
+	int retval = 0;
+
+	if (!system_supports_address_auth())
+		return -EINVAL;
+
+	if (is_compat_thread(task_thread_info(tsk)))
+		return -EINVAL;
+
+	if (tsk->thread.sctlr_user & SCTLR_ELx_ENIA)
+		retval |= PR_PAC_APIAKEY;
+	if (tsk->thread.sctlr_user & SCTLR_ELx_ENIB)
+		retval |= PR_PAC_APIBKEY;
+	if (tsk->thread.sctlr_user & SCTLR_ELx_ENDA)
+		retval |= PR_PAC_APDAKEY;
+	if (tsk->thread.sctlr_user & SCTLR_ELx_ENDB)
+		retval |= PR_PAC_APDBKEY;
+
+	return retval;
+}
diff --git a/arch/arm64/kernel/probes/uprobes.c b/arch/arm64/kernel/probes/uprobes.c
index 2c24763..9be668f 100644
--- a/arch/arm64/kernel/probes/uprobes.c
+++ b/arch/arm64/kernel/probes/uprobes.c
@@ -21,7 +21,7 @@
 	memcpy(dst, src, len);
 
 	/* flush caches (dcache/icache) */
-	sync_icache_aliases(dst, len);
+	sync_icache_aliases((unsigned long)dst, (unsigned long)dst + len);
 
 	kunmap_atomic(xol_page_kaddr);
 }
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 3696dbc..3d523d9 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -44,6 +44,7 @@
 #include <linux/percpu.h>
 #include <linux/thread_info.h>
 #include <linux/prctl.h>
+#include <trace/hooks/mpam.h>
 
 #include <asm/alternative.h>
 #include <asm/arch_gicv3.h>
@@ -70,8 +71,6 @@
 void (*pm_power_off)(void);
 EXPORT_SYMBOL_GPL(pm_power_off);
 
-void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
-
 static void noinstr __cpu_do_idle(void)
 {
 	dsb(sy);
@@ -199,10 +198,7 @@
 		efi_reboot(reboot_mode, NULL);
 
 	/* Now call the architecture specific reboot code. */
-	if (arm_pm_restart)
-		arm_pm_restart(reboot_mode, cmd);
-	else
-		do_kernel_restart(cmd);
+	do_kernel_restart(cmd);
 
 	/*
 	 * Whoops - the architecture was unable to reboot.
@@ -309,6 +305,7 @@
 	__show_regs(regs);
 	dump_backtrace(regs, NULL, KERN_DEFAULT);
 }
+EXPORT_SYMBOL_GPL(show_regs);
 
 static void tls_thread_flush(void)
 {
@@ -339,7 +336,6 @@
 	tls_thread_flush();
 	flush_ptrace_hw_breakpoint(current);
 	flush_tagged_addr_state();
-	flush_mte_state();
 }
 
 void release_thread(struct task_struct *dead_task)
@@ -422,16 +418,15 @@
 		if (clone_flags & CLONE_SETTLS)
 			p->thread.uw.tp_value = tls;
 	} else {
+		/*
+		 * A kthread has no context to ERET to, so ensure any buggy
+		 * ERET is treated as an illegal exception return.
+		 *
+		 * When a user task is created from a kthread, childregs will
+		 * be initialized by start_thread() or start_compat_thread().
+		 */
 		memset(childregs, 0, sizeof(struct pt_regs));
-		childregs->pstate = PSR_MODE_EL1h;
-		if (IS_ENABLED(CONFIG_ARM64_UAO) &&
-		    cpus_have_const_cap(ARM64_HAS_UAO))
-			childregs->pstate |= PSR_UAO_BIT;
-
-		spectre_v4_enable_task_mitigation(p);
-
-		if (system_uses_irq_prio_masking())
-			childregs->pmr_save = GIC_PRIO_IRQON;
+		childregs->pstate = PSR_MODE_EL1h | PSR_IL_BIT;
 
 		p->thread.cpu_context.x19 = stack_start;
 		p->thread.cpu_context.x20 = stk_sz;
@@ -534,6 +529,24 @@
 }
 
 /*
+ * __switch_to() checks current->thread.sctlr_user as an optimisation. Therefore
+ * this function must be called with preemption disabled and the update to
+ * sctlr_user must be made in the same preemption disabled block so that
+ * __switch_to() does not see the variable update before the SCTLR_EL1 one.
+ */
+void update_sctlr_el1(u64 sctlr)
+{
+	/*
+	 * EnIA must not be cleared while in the kernel as this is necessary for
+	 * in-kernel PAC. It will be cleared on kernel exit if needed.
+	 */
+	sysreg_clear_set(sctlr_el1, SCTLR_USER_MASK & ~SCTLR_ELx_ENIA, sctlr);
+
+	/* ISB required for the kernel uaccess routines when setting TCF0. */
+	isb();
+}
+
+/*
  * Thread switching.
  */
 __notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev,
@@ -549,6 +562,12 @@
 	uao_thread_switch(next);
 	ssbs_thread_switch(next);
 	erratum_1418040_thread_switch(next);
+	ptrauth_thread_switch_user(next);
+	/*
+	 *  vendor hook is needed before the dsb(),
+	 *  because MPAM is related to cache maintenance.
+	 */
+	trace_android_vh_mpam_set(prev, next);
 
 	/*
 	 * Complete any pending TLB or cache maintenance on this CPU in case
@@ -564,6 +583,9 @@
 	 * registers.
 	 */
 	mte_thread_switch(next);
+	/* avoid expensive SCTLR_EL1 accesses if no change */
+	if (prev->thread.sctlr_user != next->thread.sctlr_user)
+		update_sctlr_el1(next->thread.sctlr_user);
 
 	/* the actual thread switch */
 	last = cpu_switch_to(prev, next);
@@ -611,10 +633,28 @@
  */
 void arch_setup_new_exec(void)
 {
-	current->mm->context.flags = is_compat_task() ? MMCF_AARCH32 : 0;
+	unsigned long mmflags = 0;
 
-	ptrauth_thread_init_user(current);
+	if (is_compat_task()) {
+		mmflags = MMCF_AARCH32;
+
+		/*
+		 * Restrict the CPU affinity mask for a 32-bit task so that
+		 * it contains only 32-bit-capable CPUs.
+		 *
+		 * From the perspective of the task, this looks similar to
+		 * what would happen if the 64-bit-only CPUs were hot-unplugged
+		 * at the point of execve(), although we try a bit harder to
+		 * honour the cpuset hierarchy.
+		 */
+		if (static_branch_unlikely(&arm64_mismatched_32bit_el0))
+			force_compatible_cpus_allowed_ptr(current);
+	}
+
+	current->mm->context.flags = mmflags;
+	ptrauth_thread_init_user();
 	erratum_1418040_new_exec();
+	mte_thread_init_user();
 
 	if (task_spec_ssb_noexec(current)) {
 		arch_prctl_spec_ctrl_set(current, PR_SPEC_STORE_BYPASS,
@@ -637,7 +677,8 @@
 		return -EINVAL;
 
 	if (system_supports_mte())
-		valid_mask |= PR_MTE_TCF_MASK | PR_MTE_TAG_MASK;
+		valid_mask |= PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC \
+			| PR_MTE_TAG_MASK;
 
 	if (arg & ~valid_mask)
 		return -EINVAL;
diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index 9c0e9d9..428cfab 100644
--- a/arch/arm64/kernel/proton-pack.c
+++ b/arch/arm64/kernel/proton-pack.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Handle detection, reporting and mitigation of Spectre v1, v2 and v4, as
+ * Handle detection, reporting and mitigation of Spectre v1, v2, v3a and v4, as
  * detailed at:
  *
  *   https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
@@ -25,6 +25,7 @@
 #include <linux/prctl.h>
 #include <linux/sched/task_stack.h>
 
+#include <asm/debug-monitors.h>
 #include <asm/insn.h>
 #include <asm/spectre.h>
 #include <asm/traps.h>
@@ -211,85 +212,41 @@
 	return true;
 }
 
-DEFINE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
-
 enum mitigation_state arm64_get_spectre_v2_state(void)
 {
 	return spectre_v2_state;
 }
 
-#ifdef CONFIG_KVM
-#include <asm/cacheflush.h>
-#include <asm/kvm_asm.h>
+DEFINE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
 
-atomic_t arm64_el2_vector_last_slot = ATOMIC_INIT(-1);
-
-static void __copy_hyp_vect_bpi(int slot, const char *hyp_vecs_start,
-				const char *hyp_vecs_end)
-{
-	void *dst = lm_alias(__bp_harden_hyp_vecs + slot * SZ_2K);
-	int i;
-
-	for (i = 0; i < SZ_2K; i += 0x80)
-		memcpy(dst + i, hyp_vecs_start, hyp_vecs_end - hyp_vecs_start);
-
-	__flush_icache_range((uintptr_t)dst, (uintptr_t)dst + SZ_2K);
-}
-
-static DEFINE_RAW_SPINLOCK(bp_lock);
 static void install_bp_hardening_cb(bp_hardening_cb_t fn)
 {
-	int cpu, slot = -1;
-	const char *hyp_vecs_start = __smccc_workaround_1_smc;
-	const char *hyp_vecs_end = __smccc_workaround_1_smc +
-				   __SMCCC_WORKAROUND_1_SMC_SZ;
+	__this_cpu_write(bp_hardening_data.fn, fn);
 
 	/*
 	 * Vinz Clortho takes the hyp_vecs start/end "keys" at
 	 * the door when we're a guest. Skip the hyp-vectors work.
 	 */
-	if (!is_hyp_mode_available()) {
-		__this_cpu_write(bp_hardening_data.fn, fn);
+	if (!is_hyp_mode_available())
 		return;
-	}
 
-	raw_spin_lock(&bp_lock);
-	for_each_possible_cpu(cpu) {
-		if (per_cpu(bp_hardening_data.fn, cpu) == fn) {
-			slot = per_cpu(bp_hardening_data.hyp_vectors_slot, cpu);
-			break;
-		}
-	}
-
-	if (slot == -1) {
-		slot = atomic_inc_return(&arm64_el2_vector_last_slot);
-		BUG_ON(slot >= BP_HARDEN_EL2_SLOTS);
-		__copy_hyp_vect_bpi(slot, hyp_vecs_start, hyp_vecs_end);
-	}
-
-	__this_cpu_write(bp_hardening_data.hyp_vectors_slot, slot);
-	__this_cpu_write(bp_hardening_data.fn, fn);
-	__this_cpu_write(bp_hardening_data.template_start, hyp_vecs_start);
-	raw_spin_unlock(&bp_lock);
+	__this_cpu_write(bp_hardening_data.slot, HYP_VECTOR_SPECTRE_DIRECT);
 }
-#else
-static void install_bp_hardening_cb(bp_hardening_cb_t fn)
-{
-	__this_cpu_write(bp_hardening_data.fn, fn);
-}
-#endif	/* CONFIG_KVM */
 
-static void call_smc_arch_workaround_1(void)
+/* Called during entry so must be noinstr */
+static noinstr void call_smc_arch_workaround_1(void)
 {
 	arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
 }
 
-static void call_hvc_arch_workaround_1(void)
+/* Called during entry so must be noinstr */
+static noinstr void call_hvc_arch_workaround_1(void)
 {
 	arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
 }
 
-static void qcom_link_stack_sanitisation(void)
+/* Called during entry so must be noinstr */
+static noinstr void qcom_link_stack_sanitisation(void)
 {
 	u64 tmp;
 
@@ -359,6 +316,33 @@
 }
 
 /*
+ * Spectre-v3a.
+ *
+ * Phew, there's not an awful lot to do here! We just instruct EL2 to use
+ * an indirect trampoline for the hyp vectors so that guests can't read
+ * VBAR_EL2 to defeat randomisation of the hypervisor VA layout.
+ */
+bool has_spectre_v3a(const struct arm64_cpu_capabilities *entry, int scope)
+{
+	static const struct midr_range spectre_v3a_unsafe_list[] = {
+		MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
+		MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
+		{},
+	};
+
+	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+	return is_midr_in_range_list(read_cpuid_id(), spectre_v3a_unsafe_list);
+}
+
+void spectre_v3a_enable_mitigation(const struct arm64_cpu_capabilities *__unused)
+{
+	struct bp_hardening_data *data = this_cpu_ptr(&bp_hardening_data);
+
+	if (this_cpu_has_cap(ARM64_SPECTRE_V3A))
+		data->slot += HYP_VECTOR_INDIRECT;
+}
+
+/*
  * Spectre v4.
  *
  * If you thought Spectre v2 was nasty, wait until you see this mess. A CPU is
@@ -537,13 +521,10 @@
 	return state != SPECTRE_UNAFFECTED;
 }
 
-bool try_emulate_el1_ssbs(struct pt_regs *regs, u32 instr)
+static int ssbs_emulation_handler(struct pt_regs *regs, u32 instr)
 {
-	const u32 instr_mask = ~(1U << PSTATE_Imm_shift);
-	const u32 instr_val = 0xd500401f | PSTATE_SSBS;
-
-	if ((instr & instr_mask) != instr_val)
-		return false;
+	if (user_mode(regs))
+		return 1;
 
 	if (instr & BIT(PSTATE_Imm_shift))
 		regs->pstate |= PSR_SSBS_BIT;
@@ -551,11 +532,19 @@
 		regs->pstate &= ~PSR_SSBS_BIT;
 
 	arm64_skip_faulting_instruction(regs, 4);
-	return true;
+	return 0;
 }
 
+static struct undef_hook ssbs_emulation_hook = {
+	.instr_mask	= ~(1U << PSTATE_Imm_shift),
+	.instr_val	= 0xd500401f | PSTATE_SSBS,
+	.fn		= ssbs_emulation_handler,
+};
+
 static enum mitigation_state spectre_v4_enable_hw_mitigation(void)
 {
+	static bool undef_hook_registered = false;
+	static DEFINE_RAW_SPINLOCK(hook_lock);
 	enum mitigation_state state;
 
 	/*
@@ -566,14 +555,21 @@
 	if (state != SPECTRE_MITIGATED || !this_cpu_has_cap(ARM64_SSBS))
 		return state;
 
+	raw_spin_lock(&hook_lock);
+	if (!undef_hook_registered) {
+		register_undef_hook(&ssbs_emulation_hook);
+		undef_hook_registered = true;
+	}
+	raw_spin_unlock(&hook_lock);
+
 	if (spectre_v4_mitigations_off()) {
 		sysreg_clear_set(sctlr_el1, 0, SCTLR_ELx_DSSBS);
-		asm volatile(SET_PSTATE_SSBS(1));
+		set_pstate_ssbs(1);
 		return SPECTRE_VULNERABLE;
 	}
 
 	/* SCTLR_EL1.DSSBS was initialised to 0 during boot */
-	asm volatile(SET_PSTATE_SSBS(0));
+	set_pstate_ssbs(0);
 	return SPECTRE_MITIGATED;
 }
 
@@ -837,6 +833,14 @@
 	return spectre_bhb_state;
 }
 
+enum bhb_mitigation_bits {
+	BHB_LOOP,
+	BHB_FW,
+	BHB_HW,
+	BHB_INSN,
+};
+static unsigned long system_bhb_mitigations;
+
 /*
  * This must be called with SCOPE_LOCAL_CPU for each type of CPU, before any
  * SCOPE_SYSTEM call will give the right answer.
@@ -990,65 +994,11 @@
 	isb();
 }
 
-#ifdef CONFIG_KVM
-static int kvm_bhb_get_vecs_size(const char *start)
-{
-	if (start == __smccc_workaround_3_smc)
-		return __SMCCC_WORKAROUND_3_SMC_SZ;
-	else if (start == __spectre_bhb_loop_k8 ||
-		 start == __spectre_bhb_loop_k24 ||
-		 start == __spectre_bhb_loop_k32)
-		return __SPECTRE_BHB_LOOP_SZ;
-	else if (start == __spectre_bhb_clearbhb)
-		return __SPECTRE_BHB_CLEARBHB_SZ;
-
-	return 0;
-}
-
-static void kvm_setup_bhb_slot(const char *hyp_vecs_start)
-{
-	int cpu, slot = -1, size;
-	const char *hyp_vecs_end;
-
-	if (!IS_ENABLED(CONFIG_KVM) || !is_hyp_mode_available())
-		return;
-
-	size = kvm_bhb_get_vecs_size(hyp_vecs_start);
-	if (WARN_ON_ONCE(!hyp_vecs_start || !size))
-		return;
-	hyp_vecs_end = hyp_vecs_start + size;
-
-	raw_spin_lock(&bp_lock);
-	for_each_possible_cpu(cpu) {
-		if (per_cpu(bp_hardening_data.template_start, cpu) == hyp_vecs_start) {
-			slot = per_cpu(bp_hardening_data.hyp_vectors_slot, cpu);
-			break;
-		}
-	}
-
-	if (slot == -1) {
-		slot = atomic_inc_return(&arm64_el2_vector_last_slot);
-		BUG_ON(slot >= BP_HARDEN_EL2_SLOTS);
-		__copy_hyp_vect_bpi(slot, hyp_vecs_start, hyp_vecs_end);
-	}
-
-	__this_cpu_write(bp_hardening_data.hyp_vectors_slot, slot);
-	__this_cpu_write(bp_hardening_data.template_start, hyp_vecs_start);
-	raw_spin_unlock(&bp_lock);
-}
-#else
-#define __smccc_workaround_3_smc NULL
-#define __spectre_bhb_loop_k8 NULL
-#define __spectre_bhb_loop_k24 NULL
-#define __spectre_bhb_loop_k32 NULL
-#define __spectre_bhb_clearbhb NULL
-
-static void kvm_setup_bhb_slot(const char *hyp_vecs_start) { }
-#endif /* CONFIG_KVM */
-
 void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *entry)
 {
+	bp_hardening_cb_t cpu_cb;
 	enum mitigation_state fw_state, state = SPECTRE_VULNERABLE;
+	struct bp_hardening_data *data = this_cpu_ptr(&bp_hardening_data);
 
 	if (!is_spectre_bhb_affected(entry, SCOPE_LOCAL_CPU))
 		return;
@@ -1061,41 +1011,84 @@
 		pr_info_once("spectre-bhb mitigation disabled by command line option\n");
 	} else if (supports_ecbhb(SCOPE_LOCAL_CPU)) {
 		state = SPECTRE_MITIGATED;
+		set_bit(BHB_HW, &system_bhb_mitigations);
 	} else if (supports_clearbhb(SCOPE_LOCAL_CPU)) {
-		kvm_setup_bhb_slot(__spectre_bhb_clearbhb);
+		/*
+		 * Ensure KVM uses the indirect vector which will have ClearBHB
+		 * added.
+		 */
+		if (!data->slot)
+			data->slot = HYP_VECTOR_INDIRECT;
+
 		this_cpu_set_vectors(EL1_VECTOR_BHB_CLEAR_INSN);
-
 		state = SPECTRE_MITIGATED;
+		set_bit(BHB_INSN, &system_bhb_mitigations);
 	} else if (spectre_bhb_loop_affected(SCOPE_LOCAL_CPU)) {
-		switch (spectre_bhb_loop_affected(SCOPE_SYSTEM)) {
-		case 8:
-			kvm_setup_bhb_slot(__spectre_bhb_loop_k8);
-			break;
-		case 24:
-			kvm_setup_bhb_slot(__spectre_bhb_loop_k24);
-			break;
-		case 32:
-			kvm_setup_bhb_slot(__spectre_bhb_loop_k32);
-			break;
-		default:
-			WARN_ON_ONCE(1);
-		}
-		this_cpu_set_vectors(EL1_VECTOR_BHB_LOOP);
+		/*
+		 * Ensure KVM uses the indirect vector which will have the
+		 * branchy-loop added. A57/A72-r0 will already have selected
+		 * the spectre-indirect vector, which is sufficient for BHB
+		 * too.
+		 */
+		if (!data->slot)
+			data->slot = HYP_VECTOR_INDIRECT;
 
+		this_cpu_set_vectors(EL1_VECTOR_BHB_LOOP);
 		state = SPECTRE_MITIGATED;
+		set_bit(BHB_LOOP, &system_bhb_mitigations);
 	} else if (is_spectre_bhb_fw_affected(SCOPE_LOCAL_CPU)) {
 		fw_state = spectre_bhb_get_cpu_fw_mitigation_state();
 		if (fw_state == SPECTRE_MITIGATED) {
-			kvm_setup_bhb_slot(__smccc_workaround_3_smc);
+			/*
+			 * Ensure KVM uses one of the spectre bp_hardening
+			 * vectors. The indirect vector doesn't include the EL3
+			 * call, so needs upgrading to
+			 * HYP_VECTOR_SPECTRE_INDIRECT.
+			 */
+			if (!data->slot || data->slot == HYP_VECTOR_INDIRECT)
+				data->slot += 1;
+
 			this_cpu_set_vectors(EL1_VECTOR_BHB_FW);
 
+			/*
+			 * The WA3 call in the vectors supersedes the WA1 call
+			 * made during context-switch. Uninstall any firmware
+			 * bp_hardening callback.
+			 */
+			cpu_cb = spectre_v2_get_sw_mitigation_cb();
+			if (__this_cpu_read(bp_hardening_data.fn) != cpu_cb)
+				__this_cpu_write(bp_hardening_data.fn, NULL);
+
 			state = SPECTRE_MITIGATED;
+			set_bit(BHB_FW, &system_bhb_mitigations);
 		}
 	}
 
 	update_mitigation_state(&spectre_bhb_state, state);
 }
 
+/* Patched to NOP when enabled */
+void noinstr spectre_bhb_patch_loop_mitigation_enable(struct alt_instr *alt,
+						     __le32 *origptr,
+						      __le32 *updptr, int nr_inst)
+{
+	BUG_ON(nr_inst != 1);
+
+	if (test_bit(BHB_LOOP, &system_bhb_mitigations))
+		*updptr++ = cpu_to_le32(aarch64_insn_gen_nop());
+}
+
+/* Patched to NOP when enabled */
+void noinstr spectre_bhb_patch_fw_mitigation_enabled(struct alt_instr *alt,
+						   __le32 *origptr,
+						   __le32 *updptr, int nr_inst)
+{
+	BUG_ON(nr_inst != 1);
+
+	if (test_bit(BHB_FW, &system_bhb_mitigations))
+		*updptr++ = cpu_to_le32(aarch64_insn_gen_nop());
+}
+
 /* Patched to correct the immediate */
 void noinstr spectre_bhb_patch_loop_iter(struct alt_instr *alt,
 				   __le32 *origptr, __le32 *updptr, int nr_inst)
@@ -1117,6 +1110,45 @@
 	*updptr++ = cpu_to_le32(insn);
 }
 
+/* Patched to mov WA3 when supported */
+void noinstr spectre_bhb_patch_wa3(struct alt_instr *alt,
+				   __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+	u8 rd;
+	u32 insn;
+
+	BUG_ON(nr_inst != 1); /* MOV -> MOV */
+
+	if (!IS_ENABLED(CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY) ||
+	    !test_bit(BHB_FW, &system_bhb_mitigations))
+		return;
+
+	insn = le32_to_cpu(*origptr);
+	rd = aarch64_insn_decode_register(AARCH64_INSN_REGTYPE_RD, insn);
+
+	insn = aarch64_insn_gen_logical_immediate(AARCH64_INSN_LOGIC_ORR,
+						  AARCH64_INSN_VARIANT_32BIT,
+						  AARCH64_INSN_REG_ZR, rd,
+						  ARM_SMCCC_ARCH_WORKAROUND_3);
+	if (WARN_ON_ONCE(insn == AARCH64_BREAK_FAULT))
+		return;
+
+	*updptr++ = cpu_to_le32(insn);
+}
+
+/* Patched to NOP when not supported */
+void __init spectre_bhb_patch_clearbhb(struct alt_instr *alt,
+				   __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+	BUG_ON(nr_inst != 2);
+
+	if (test_bit(BHB_INSN, &system_bhb_mitigations))
+		return;
+
+	*updptr++ = cpu_to_le32(aarch64_insn_gen_nop());
+	*updptr++ = cpu_to_le32(aarch64_insn_gen_nop());
+}
+
 #ifdef CONFIG_BPF_SYSCALL
 #define EBPF_WARN "Unprivileged eBPF is enabled, data leaks possible via Spectre v2 BHB attacks!\n"
 void unpriv_ebpf_notify(int new_state)
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 62d2bda..bfb1a6f 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -38,7 +38,8 @@
 
 static int cpu_psci_cpu_boot(unsigned int cpu)
 {
-	int err = psci_ops.cpu_on(cpu_logical_map(cpu), __pa_symbol(secondary_entry));
+	int err = psci_ops.cpu_on(cpu_logical_map(cpu),
+				  __pa_function(secondary_entry));
 	if (err)
 		pr_err("failed to boot CPU%d (%d)\n", cpu, err);
 
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 2817e39..d59d8aa 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -122,7 +122,7 @@
 {
 	return ((addr & ~(THREAD_SIZE - 1))  ==
 		(kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1))) ||
-		on_irq_stack(addr, NULL);
+		on_irq_stack(addr, sizeof(unsigned long), NULL);
 }
 
 /**
@@ -192,14 +192,11 @@
 				break;
 			}
 		}
-		arm64_force_sig_ptrace_errno_trap(si_errno,
-						  (void __user *)bkpt->trigger,
+		arm64_force_sig_ptrace_errno_trap(si_errno, bkpt->trigger,
 						  desc);
 	}
 #endif
-	arm64_force_sig_fault(SIGTRAP, TRAP_HWBKPT,
-			      (void __user *)(bkpt->trigger),
-			      desc);
+	arm64_force_sig_fault(SIGTRAP, TRAP_HWBKPT, bkpt->trigger, desc);
 }
 
 /*
@@ -911,6 +908,38 @@
 	return membuf_write(&to, &uregs, sizeof(uregs));
 }
 
+static int pac_enabled_keys_get(struct task_struct *target,
+				const struct user_regset *regset,
+				struct membuf to)
+{
+	long enabled_keys = ptrauth_get_enabled_keys(target);
+
+	if (IS_ERR_VALUE(enabled_keys))
+		return enabled_keys;
+
+	return membuf_write(&to, &enabled_keys, sizeof(enabled_keys));
+}
+
+static int pac_enabled_keys_set(struct task_struct *target,
+				const struct user_regset *regset,
+				unsigned int pos, unsigned int count,
+				const void *kbuf, const void __user *ubuf)
+{
+	int ret;
+	long enabled_keys = ptrauth_get_enabled_keys(target);
+
+	if (IS_ERR_VALUE(enabled_keys))
+		return enabled_keys;
+
+	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &enabled_keys, 0,
+				 sizeof(long));
+	if (ret)
+		return ret;
+
+	return ptrauth_set_enabled_keys(target, PR_PAC_ENABLED_KEYS_MASK,
+					enabled_keys);
+}
+
 #ifdef CONFIG_CHECKPOINT_RESTORE
 static __uint128_t pac_key_to_user(const struct ptrauth_key *key)
 {
@@ -1076,6 +1105,7 @@
 #endif
 #ifdef CONFIG_ARM64_PTR_AUTH
 	REGSET_PAC_MASK,
+	REGSET_PAC_ENABLED_KEYS,
 #ifdef CONFIG_CHECKPOINT_RESTORE
 	REGSET_PACA_KEYS,
 	REGSET_PACG_KEYS,
@@ -1162,6 +1192,14 @@
 		.regset_get = pac_mask_get,
 		/* this cannot be set dynamically */
 	},
+	[REGSET_PAC_ENABLED_KEYS] = {
+		.core_note_type = NT_ARM_PAC_ENABLED_KEYS,
+		.n = 1,
+		.size = sizeof(long),
+		.align = sizeof(long),
+		.regset_get = pac_enabled_keys_get,
+		.set = pac_enabled_keys_set,
+	},
 #ifdef CONFIG_CHECKPOINT_RESTORE
 	[REGSET_PACA_KEYS] = {
 		.core_note_type = NT_ARM_PACA_KEYS,
diff --git a/arch/arm64/kernel/scs.c b/arch/arm64/kernel/scs.c
deleted file mode 100644
index e8f7ff4..0000000
--- a/arch/arm64/kernel/scs.c
+++ /dev/null
@@ -1,16 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Shadow Call Stack support.
- *
- * Copyright (C) 2019 Google LLC
- */
-
-#include <linux/percpu.h>
-#include <linux/scs.h>
-
-DEFINE_SCS(irq_shadow_call_stack);
-
-#ifdef CONFIG_ARM_SDE_INTERFACE
-DEFINE_SCS(sdei_shadow_call_stack_normal);
-DEFINE_SCS(sdei_shadow_call_stack_critical);
-#endif
diff --git a/arch/arm64/kernel/sdei.c b/arch/arm64/kernel/sdei.c
index 0083f5a..fd89a21 100644
--- a/arch/arm64/kernel/sdei.c
+++ b/arch/arm64/kernel/sdei.c
@@ -7,6 +7,7 @@
 #include <linux/hardirq.h>
 #include <linux/irqflags.h>
 #include <linux/sched/task_stack.h>
+#include <linux/scs.h>
 #include <linux/uaccess.h>
 
 #include <asm/alternative.h>
@@ -41,6 +42,14 @@
 DEFINE_PER_CPU(struct sdei_registered_event *, sdei_active_normal_event);
 DEFINE_PER_CPU(struct sdei_registered_event *, sdei_active_critical_event);
 
+DECLARE_PER_CPU(unsigned long *, sdei_shadow_call_stack_normal_ptr);
+DECLARE_PER_CPU(unsigned long *, sdei_shadow_call_stack_critical_ptr);
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+DEFINE_PER_CPU(unsigned long *, sdei_shadow_call_stack_normal_ptr);
+DEFINE_PER_CPU(unsigned long *, sdei_shadow_call_stack_critical_ptr);
+#endif
+
 static void _free_sdei_stack(unsigned long * __percpu *ptr, int cpu)
 {
 	unsigned long *p;
@@ -56,6 +65,9 @@
 {
 	int cpu;
 
+	if (!IS_ENABLED(CONFIG_VMAP_STACK))
+		return;
+
 	for_each_possible_cpu(cpu) {
 		_free_sdei_stack(&sdei_stack_normal_ptr, cpu);
 		_free_sdei_stack(&sdei_stack_critical_ptr, cpu);
@@ -79,6 +91,9 @@
 	int cpu;
 	int err = 0;
 
+	if (!IS_ENABLED(CONFIG_VMAP_STACK))
+		return 0;
+
 	for_each_possible_cpu(cpu) {
 		err = _init_sdei_stack(&sdei_stack_normal_ptr, cpu);
 		if (err)
@@ -94,31 +109,89 @@
 	return err;
 }
 
-static bool on_sdei_normal_stack(unsigned long sp, struct stack_info *info)
+static void _free_sdei_scs(unsigned long * __percpu *ptr, int cpu)
+{
+	void *s;
+
+	s = per_cpu(*ptr, cpu);
+	if (s) {
+		per_cpu(*ptr, cpu) = NULL;
+		scs_free(s);
+	}
+}
+
+static void free_sdei_scs(void)
+{
+	int cpu;
+
+	for_each_possible_cpu(cpu) {
+		_free_sdei_scs(&sdei_shadow_call_stack_normal_ptr, cpu);
+		_free_sdei_scs(&sdei_shadow_call_stack_critical_ptr, cpu);
+	}
+}
+
+static int _init_sdei_scs(unsigned long * __percpu *ptr, int cpu)
+{
+	void *s;
+
+	s = scs_alloc(cpu_to_node(cpu));
+	if (!s)
+		return -ENOMEM;
+	per_cpu(*ptr, cpu) = s;
+
+	return 0;
+}
+
+static int init_sdei_scs(void)
+{
+	int cpu;
+	int err = 0;
+
+	if (!IS_ENABLED(CONFIG_SHADOW_CALL_STACK))
+		return 0;
+
+	for_each_possible_cpu(cpu) {
+		err = _init_sdei_scs(&sdei_shadow_call_stack_normal_ptr, cpu);
+		if (err)
+			break;
+		err = _init_sdei_scs(&sdei_shadow_call_stack_critical_ptr, cpu);
+		if (err)
+			break;
+	}
+
+	if (err)
+		free_sdei_scs();
+
+	return err;
+}
+
+static bool on_sdei_normal_stack(unsigned long sp, unsigned long size,
+				 struct stack_info *info)
 {
 	unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_normal_ptr);
 	unsigned long high = low + SDEI_STACK_SIZE;
 
-	return on_stack(sp, low, high, STACK_TYPE_SDEI_NORMAL, info);
+	return on_stack(sp, size, low, high, STACK_TYPE_SDEI_NORMAL, info);
 }
 
-static bool on_sdei_critical_stack(unsigned long sp, struct stack_info *info)
+static bool on_sdei_critical_stack(unsigned long sp, unsigned long size,
+				   struct stack_info *info)
 {
 	unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_critical_ptr);
 	unsigned long high = low + SDEI_STACK_SIZE;
 
-	return on_stack(sp, low, high, STACK_TYPE_SDEI_CRITICAL, info);
+	return on_stack(sp, size, low, high, STACK_TYPE_SDEI_CRITICAL, info);
 }
 
-bool _on_sdei_stack(unsigned long sp, struct stack_info *info)
+bool _on_sdei_stack(unsigned long sp, unsigned long size, struct stack_info *info)
 {
 	if (!IS_ENABLED(CONFIG_VMAP_STACK))
 		return false;
 
-	if (on_sdei_critical_stack(sp, info))
+	if (on_sdei_critical_stack(sp, size, info))
 		return true;
 
-	if (on_sdei_normal_stack(sp, info))
+	if (on_sdei_normal_stack(sp, size, info))
 		return true;
 
 	return false;
@@ -134,13 +207,14 @@
 	 */
 	if (is_hyp_mode_available() && !is_kernel_in_hyp_mode()) {
 		pr_err("Not supported on this hardware/boot configuration\n");
-		return 0;
+		goto out_err;
 	}
 
-	if (IS_ENABLED(CONFIG_VMAP_STACK)) {
-		if (init_sdei_stacks())
-			return 0;
-	}
+	if (init_sdei_stacks())
+		goto out_err;
+
+	if (init_sdei_scs())
+		goto out_err_free_stacks;
 
 	sdei_exit_mode = (conduit == SMCCC_CONDUIT_HVC) ? SDEI_EXIT_HVC : SDEI_EXIT_SMC;
 
@@ -155,6 +229,10 @@
 #endif /* CONFIG_UNMAP_KERNEL_AT_EL0 */
 		return (unsigned long)__sdei_asm_handler;
 
+out_err_free_stacks:
+	free_sdei_stacks();
+out_err:
+	return 0;
 }
 
 /*
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index eb4b246..5490711 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -39,6 +39,7 @@
 #include <asm/elf.h>
 #include <asm/cpufeature.h>
 #include <asm/cpu_ops.h>
+#include <asm/hypervisor.h>
 #include <asm/kasan.h>
 #include <asm/numa.h>
 #include <asm/sections.h>
@@ -48,6 +49,7 @@
 #include <asm/tlbflush.h>
 #include <asm/traps.h>
 #include <asm/efi.h>
+#include <asm/hypervisor.h>
 #include <asm/xen/hypervisor.h>
 #include <asm/mmu_context.h>
 
@@ -168,6 +170,21 @@
 		pr_warn("Large number of MPIDR hash buckets detected\n");
 }
 
+static void *early_fdt_ptr __initdata;
+
+void __init *get_early_fdt_ptr(void)
+{
+	return early_fdt_ptr;
+}
+
+asmlinkage void __init early_fdt_map(u64 dt_phys)
+{
+	int fdt_size;
+
+	early_fixmap_init();
+	early_fdt_ptr = fixmap_remap_fdt(dt_phys, &fdt_size, PAGE_KERNEL);
+}
+
 static void __init setup_machine_fdt(phys_addr_t dt_phys)
 {
 	int size;
@@ -276,7 +293,7 @@
 
 u64 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
 
-u64 cpu_logical_map(int cpu)
+u64 cpu_logical_map(unsigned int cpu)
 {
 	return __cpu_logical_map[cpu];
 }
@@ -358,7 +375,7 @@
 	smp_build_mpidr_hash();
 
 	/* Init percpu seeds for random tags after cpus are set up. */
-	kasan_init_tags();
+	kasan_init_sw_tags();
 
 #ifdef CONFIG_ARM64_SW_TTBR0_PAN
 	/*
@@ -438,3 +455,9 @@
 	return 0;
 }
 device_initcall(register_arm64_panic_block);
+
+void kvm_arm_init_hyp_services(void)
+{
+	kvm_init_ioremap_services();
+	kvm_init_memshare_services();
+}
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index ba40d57..4ea9392 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -99,7 +99,8 @@
 
 	.pushsection ".idmap.text", "awx"
 SYM_CODE_START(cpu_resume)
-	bl	el2_setup		// if in EL2 drop to EL1 cleanly
+	bl	init_kernel_el
+	bl	switch_to_vhe
 	bl	__cpu_setup
 	/* enable the MMU early - so we can access sleep_save_stash by va */
 	adrp	x1, swapper_pg_dir
@@ -133,7 +134,7 @@
 	 */
 	bl	cpu_do_resume
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
 	mov	x0, sp
 	bl	kasan_unpoison_task_stack_below
 #endif
diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S
index d624479..2def9d0 100644
--- a/arch/arm64/kernel/smccc-call.S
+++ b/arch/arm64/kernel/smccc-call.S
@@ -43,3 +43,60 @@
 	SMCCC	hvc
 SYM_FUNC_END(__arm_smccc_hvc)
 EXPORT_SYMBOL(__arm_smccc_hvc)
+
+	.macro SMCCC_1_2 instr
+	/* Save `res` and free a GPR that won't be clobbered */
+	stp     x1, x19, [sp, #-16]!
+
+	/* Ensure `args` won't be clobbered while loading regs in next step */
+	mov	x19, x0
+
+	/* Load the registers x0 - x17 from the struct arm_smccc_1_2_regs */
+	ldp	x0, x1, [x19, #ARM_SMCCC_1_2_REGS_X0_OFFS]
+	ldp	x2, x3, [x19, #ARM_SMCCC_1_2_REGS_X2_OFFS]
+	ldp	x4, x5, [x19, #ARM_SMCCC_1_2_REGS_X4_OFFS]
+	ldp	x6, x7, [x19, #ARM_SMCCC_1_2_REGS_X6_OFFS]
+	ldp	x8, x9, [x19, #ARM_SMCCC_1_2_REGS_X8_OFFS]
+	ldp	x10, x11, [x19, #ARM_SMCCC_1_2_REGS_X10_OFFS]
+	ldp	x12, x13, [x19, #ARM_SMCCC_1_2_REGS_X12_OFFS]
+	ldp	x14, x15, [x19, #ARM_SMCCC_1_2_REGS_X14_OFFS]
+	ldp	x16, x17, [x19, #ARM_SMCCC_1_2_REGS_X16_OFFS]
+
+	\instr #0
+
+	/* Load the `res` from the stack */
+	ldr	x19, [sp]
+
+	/* Store the registers x0 - x17 into the result structure */
+	stp	x0, x1, [x19, #ARM_SMCCC_1_2_REGS_X0_OFFS]
+	stp	x2, x3, [x19, #ARM_SMCCC_1_2_REGS_X2_OFFS]
+	stp	x4, x5, [x19, #ARM_SMCCC_1_2_REGS_X4_OFFS]
+	stp	x6, x7, [x19, #ARM_SMCCC_1_2_REGS_X6_OFFS]
+	stp	x8, x9, [x19, #ARM_SMCCC_1_2_REGS_X8_OFFS]
+	stp	x10, x11, [x19, #ARM_SMCCC_1_2_REGS_X10_OFFS]
+	stp	x12, x13, [x19, #ARM_SMCCC_1_2_REGS_X12_OFFS]
+	stp	x14, x15, [x19, #ARM_SMCCC_1_2_REGS_X14_OFFS]
+	stp	x16, x17, [x19, #ARM_SMCCC_1_2_REGS_X16_OFFS]
+
+	/* Restore original x19 */
+	ldp     xzr, x19, [sp], #16
+	ret
+.endm
+
+/*
+ * void arm_smccc_1_2_hvc(const struct arm_smccc_1_2_regs *args,
+ *			  struct arm_smccc_1_2_regs *res);
+ */
+SYM_FUNC_START(arm_smccc_1_2_hvc)
+	SMCCC_1_2 hvc
+SYM_FUNC_END(arm_smccc_1_2_hvc)
+EXPORT_SYMBOL(arm_smccc_1_2_hvc)
+
+/*
+ * void arm_smccc_1_2_smc(const struct arm_smccc_1_2_regs *args,
+ *			  struct arm_smccc_1_2_regs *res);
+ */
+SYM_FUNC_START(arm_smccc_1_2_smc)
+	SMCCC_1_2 smc
+SYM_FUNC_END(arm_smccc_1_2_smc)
+EXPORT_SYMBOL(arm_smccc_1_2_smc)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index ae0977b..9cee461 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -53,9 +53,14 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/ipi.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/debug.h>
 
 DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number);
 EXPORT_PER_CPU_SYMBOL(cpu_number);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_raise);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_exit);
 
 /*
  * as from 2.5, kernels no longer have an init_tasks structure
@@ -122,7 +127,9 @@
 	secondary_data.task = idle;
 	secondary_data.stack = task_stack_page(idle) + THREAD_SIZE;
 	update_cpu_boot_status(CPU_MMU_OFF);
-	__flush_dcache_area(&secondary_data, sizeof(secondary_data));
+	dcache_clean_inval_poc((unsigned long)&secondary_data,
+			    (unsigned long)&secondary_data +
+				    sizeof(secondary_data));
 
 	/* Now bring the CPU into our world */
 	ret = boot_secondary(cpu, idle);
@@ -143,7 +150,9 @@
 	pr_crit("CPU%u: failed to come online\n", cpu);
 	secondary_data.task = NULL;
 	secondary_data.stack = NULL;
-	__flush_dcache_area(&secondary_data, sizeof(secondary_data));
+	dcache_clean_inval_poc((unsigned long)&secondary_data,
+			    (unsigned long)&secondary_data +
+				    sizeof(secondary_data));
 	status = READ_ONCE(secondary_data.status);
 	if (status == CPU_MMU_OFF)
 		status = READ_ONCE(__early_cpu_boot_status);
@@ -350,7 +359,7 @@
 		pr_crit("CPU%u: cpu didn't die\n", cpu);
 		return;
 	}
-	pr_notice("CPU%u: shutdown\n", cpu);
+	pr_debug("CPU%u: shutdown\n", cpu);
 
 	/*
 	 * Now that the dying CPU is beyond the point of no return w.r.t.
@@ -433,8 +442,10 @@
 			   "CPU: CPUs started in inconsistent modes");
 	else
 		pr_info("CPU: All CPU(s) started at EL1\n");
-	if (IS_ENABLED(CONFIG_KVM))
+	if (IS_ENABLED(CONFIG_KVM) && !is_kernel_in_hyp_mode()) {
 		kvm_compute_layout();
+		kvm_apply_hyp_relocations();
+	}
 }
 
 void __init smp_cpus_done(unsigned int max_cpus)
@@ -461,6 +472,8 @@
 	/* Conditionally switch to GIC PMR for interrupt masking */
 	if (system_uses_irq_prio_masking())
 		init_gic_priority_masking();
+
+	kasan_init_hw_tags();
 }
 
 static u64 __init of_get_cpu_mpidr(struct device_node *dn)
@@ -902,6 +915,7 @@
 		break;
 
 	case IPI_CPU_STOP:
+		trace_android_vh_ipi_stop(get_irq_regs());
 		local_cpu_stop();
 		break;
 
@@ -994,6 +1008,10 @@
 
 		ipi_desc[i] = irq_to_desc(ipi_base + i);
 		irq_set_status_flags(ipi_base + i, IRQ_HIDDEN);
+
+		/* The recheduling IPI is special... */
+		if (i == IPI_RESCHEDULE)
+			__irq_modify_status(ipi_base + i, 0, IRQ_RAW, ~0);
 	}
 
 	ipi_irq_base = ipi_base;
@@ -1127,5 +1145,18 @@
 {
 	bool smp_spin_tables = (num_possible_cpus() > 1 && !have_cpu_die());
 
-	return !!cpus_stuck_in_kernel || smp_spin_tables;
+	return !!cpus_stuck_in_kernel || smp_spin_tables ||
+		is_protected_kvm_enabled();
 }
+
+int nr_ipi_get(void)
+{
+	return nr_ipi;
+}
+EXPORT_SYMBOL_GPL(nr_ipi_get);
+
+struct irq_desc **ipi_desc_get(void)
+{
+	return ipi_desc;
+}
+EXPORT_SYMBOL_GPL(ipi_desc_get);
diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c
index 056772c..883f41f5 100644
--- a/arch/arm64/kernel/smp_spin_table.c
+++ b/arch/arm64/kernel/smp_spin_table.c
@@ -36,7 +36,7 @@
 	unsigned long size = sizeof(secondary_holding_pen_release);
 
 	secondary_holding_pen_release = val;
-	__flush_dcache_area(start, size);
+	dcache_clean_inval_poc((unsigned long)start, (unsigned long)start + size);
 }
 
 
@@ -88,9 +88,10 @@
 	 * boot-loader's endianness before jumping. This is mandated by
 	 * the boot protocol.
 	 */
-	writeq_relaxed(__pa_symbol(secondary_holding_pen), release_addr);
-	__flush_dcache_area((__force void *)release_addr,
-			    sizeof(*release_addr));
+	writeq_relaxed(__pa_function(secondary_holding_pen), release_addr);
+	dcache_clean_inval_poc((__force unsigned long)release_addr,
+			    (__force unsigned long)release_addr +
+				    sizeof(*release_addr));
 
 	/*
 	 * Send an event to wake up the secondary CPU.
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index c445828..954cd44 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -44,13 +44,13 @@
 	unsigned long fp = frame->fp;
 	struct stack_info info;
 
-	if (fp & 0xf)
+	if (fp & 0x7)
 		return -EINVAL;
 
 	if (!tsk)
 		tsk = current;
 
-	if (!on_accessible_stack(tsk, fp, &info))
+	if (!on_accessible_stack(tsk, fp, 16, &info))
 		return -EINVAL;
 
 	if (test_bit(info.type, frame->stacks_done))
@@ -190,6 +190,7 @@
 
 	put_task_stack(tsk);
 }
+EXPORT_SYMBOL_GPL(dump_backtrace);
 
 void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl)
 {
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
index 9f8cdec..ae59fdd 100644
--- a/arch/arm64/kernel/suspend.c
+++ b/arch/arm64/kernel/suspend.c
@@ -42,6 +42,8 @@
 {
 	unsigned int cpu = smp_processor_id();
 
+	mte_suspend_exit();
+
 	/*
 	 * We are resuming from reset with the idmap active in TTBR0_EL1.
 	 * We must uninstall the idmap and restore the expected MMU
@@ -75,8 +77,8 @@
 	 */
 	spectre_v4_enable_mitigation(NULL);
 
-	/* Restore additional MTE-specific configuration */
-	mte_suspend_exit();
+	/* Restore additional feature-specific configuration */
+	ptrauth_suspend_exit();
 }
 
 /*
@@ -92,6 +94,9 @@
 	unsigned long flags;
 	struct sleep_stack_data state;
 
+	/* Report any MTE async fault before going to suspend */
+	mte_suspend_enter();
+
 	/*
 	 * From this point debug exceptions are disabled to prevent
 	 * updates to mdscr register (saved and restored along with
diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c
index 51274ba..b88a52f 100644
--- a/arch/arm64/kernel/sys_compat.c
+++ b/arch/arm64/kernel/sys_compat.c
@@ -41,7 +41,7 @@
 			dsb(ish);
 		}
 
-		ret = __flush_cache_user_range(start, start + chunk);
+		ret = caches_clean_inval_user_pou(start, start + chunk);
 		if (ret)
 			return ret;
 
@@ -68,7 +68,7 @@
  */
 long compat_arm_syscall(struct pt_regs *regs, int scno)
 {
-	void __user *addr;
+	unsigned long addr;
 
 	switch (scno) {
 	/*
@@ -111,8 +111,7 @@
 		break;
 	}
 
-	addr  = (void __user *)instruction_pointer(regs) -
-		(compat_thumb_mode(regs) ? 2 : 4);
+	addr = instruction_pointer(regs) - (compat_thumb_mode(regs) ? 2 : 4);
 
 	arm64_notify_die("Oops - bad compat syscall(2)", regs,
 			 SIGILL, ILL_ILLTRP, addr, 0);
diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
index befde0e..6f9839d 100644
--- a/arch/arm64/kernel/syscall.c
+++ b/arch/arm64/kernel/syscall.c
@@ -119,7 +119,7 @@
 	cortex_a76_erratum_1463225_svc_handler();
 	local_daif_restore(DAIF_PROCCTX);
 
-	if (system_supports_mte() && (flags & _TIF_MTE_ASYNC_FAULT)) {
+	if (flags & _TIF_MTE_ASYNC_FAULT) {
 		/*
 		 * Process the asynchronous tag check fault before the actual
 		 * syscall. do_notify_resume() will send a signal to userspace
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index 10a5801..025b66e 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -46,6 +46,8 @@
 #include <asm/system_misc.h>
 #include <asm/sysreg.h>
 
+#include <trace/hooks/traps.h>
+
 static const char *handler[]= {
 	"Synchronous Abort",
 	"IRQ",
@@ -90,12 +92,12 @@
 
 #define S_SMP " SMP"
 
-static int __die(const char *str, long err, struct pt_regs *regs)
+static int __die(const char *str, int err, struct pt_regs *regs)
 {
 	static int die_counter;
 	int ret;
 
-	pr_emerg("Internal error: %s: %016lx [#%d]" S_PREEMPT S_SMP "\n",
+	pr_emerg("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",
 		 str, err, ++die_counter);
 
 	/* trap and error numbers are mostly meaningless on ARM */
@@ -116,7 +118,7 @@
 /*
  * This function is protected against re-entrancy.
  */
-void die(const char *str, struct pt_regs *regs, long err)
+void die(const char *str, struct pt_regs *regs, int err)
 {
 	int ret;
 	unsigned long flags;
@@ -171,32 +173,32 @@
 	__show_regs(regs);
 }
 
-void arm64_force_sig_fault(int signo, int code, void __user *addr,
+void arm64_force_sig_fault(int signo, int code, unsigned long far,
 			   const char *str)
 {
 	arm64_show_signal(signo, str);
 	if (signo == SIGKILL)
 		force_sig(SIGKILL);
 	else
-		force_sig_fault(signo, code, addr);
+		force_sig_fault(signo, code, (void __user *)far);
 }
 
-void arm64_force_sig_mceerr(int code, void __user *addr, short lsb,
+void arm64_force_sig_mceerr(int code, unsigned long far, short lsb,
 			    const char *str)
 {
 	arm64_show_signal(SIGBUS, str);
-	force_sig_mceerr(code, addr, lsb);
+	force_sig_mceerr(code, (void __user *)far, lsb);
 }
 
-void arm64_force_sig_ptrace_errno_trap(int errno, void __user *addr,
+void arm64_force_sig_ptrace_errno_trap(int errno, unsigned long far,
 				       const char *str)
 {
 	arm64_show_signal(SIGTRAP, str);
-	force_sig_ptrace_errno_trap(errno, addr);
+	force_sig_ptrace_errno_trap(errno, (void __user *)far);
 }
 
 void arm64_notify_die(const char *str, struct pt_regs *regs,
-		      int signo, int sicode, void __user *addr,
+		      int signo, int sicode, unsigned long far,
 		      int err)
 {
 	if (user_mode(regs)) {
@@ -204,7 +206,7 @@
 		current->thread.fault_address = 0;
 		current->thread.fault_code = err;
 
-		arm64_force_sig_fault(signo, sicode, addr, str);
+		arm64_force_sig_fault(signo, sicode, far, str);
 	} else {
 		die(str, regs, err);
 	}
@@ -282,22 +284,51 @@
 		regs->pstate &= ~PSR_BTYPE_MASK;
 }
 
-static int user_insn_read(struct pt_regs *regs, u32 *insnp)
+static LIST_HEAD(undef_hook);
+static DEFINE_RAW_SPINLOCK(undef_lock);
+
+void register_undef_hook(struct undef_hook *hook)
 {
+	unsigned long flags;
+
+	raw_spin_lock_irqsave(&undef_lock, flags);
+	list_add(&hook->node, &undef_hook);
+	raw_spin_unlock_irqrestore(&undef_lock, flags);
+}
+
+void unregister_undef_hook(struct undef_hook *hook)
+{
+	unsigned long flags;
+
+	raw_spin_lock_irqsave(&undef_lock, flags);
+	list_del(&hook->node);
+	raw_spin_unlock_irqrestore(&undef_lock, flags);
+}
+
+static int call_undef_hook(struct pt_regs *regs)
+{
+	struct undef_hook *hook;
+	unsigned long flags;
 	u32 instr;
+	int (*fn)(struct pt_regs *regs, u32 instr) = NULL;
 	void __user *pc = (void __user *)instruction_pointer(regs);
 
-	if (compat_thumb_mode(regs)) {
+	if (!user_mode(regs)) {
+		__le32 instr_le;
+		if (get_kernel_nofault(instr_le, (__force __le32 *)pc))
+			goto exit;
+		instr = le32_to_cpu(instr_le);
+	} else if (compat_thumb_mode(regs)) {
 		/* 16-bit Thumb instruction */
 		__le16 instr_le;
 		if (get_user(instr_le, (__le16 __user *)pc))
-			return -EFAULT;
+			goto exit;
 		instr = le16_to_cpu(instr_le);
 		if (aarch32_insn_is_wide(instr)) {
 			u32 instr2;
 
 			if (get_user(instr_le, (__le16 __user *)(pc + 2)))
-				return -EFAULT;
+				goto exit;
 			instr2 = le16_to_cpu(instr_le);
 			instr = (instr << 16) | instr2;
 		}
@@ -305,12 +336,19 @@
 		/* 32-bit ARM instruction */
 		__le32 instr_le;
 		if (get_user(instr_le, (__le32 __user *)pc))
-			return -EFAULT;
+			goto exit;
 		instr = le32_to_cpu(instr_le);
 	}
 
-	*insnp = instr;
-	return 0;
+	raw_spin_lock_irqsave(&undef_lock, flags);
+	list_for_each_entry(hook, &undef_hook, node)
+		if ((instr & hook->instr_mask) == hook->instr_val &&
+			(regs->pstate & hook->pstate_mask) == hook->pstate_val)
+			fn = hook->fn;
+
+	raw_spin_unlock_irqrestore(&undef_lock, flags);
+exit:
+	return fn ? fn(regs, instr) : 1;
 }
 
 void force_signal_inject(int signal, int code, unsigned long address, unsigned int err)
@@ -339,7 +377,7 @@
 		signal = SIGKILL;
 	}
 
-	arm64_notify_die(desc, regs, signal, code, (void __user *)address, err);
+	arm64_notify_die(desc, regs, signal, code, address, err);
 }
 
 /*
@@ -350,7 +388,7 @@
 	int code;
 
 	mmap_read_lock(current->mm);
-	if (find_vma(current->mm, addr) == NULL)
+	if (find_vma(current->mm, untagged_addr(addr)) == NULL)
 		code = SEGV_MAPERR;
 	else
 		code = SEGV_ACCERR;
@@ -359,64 +397,38 @@
 	force_signal_inject(SIGSEGV, code, addr, 0);
 }
 
-void do_el0_undef(struct pt_regs *regs, unsigned long esr)
+void do_undefinstr(struct pt_regs *regs)
 {
-	u32 insn;
-
 	/* check for AArch32 breakpoint instructions */
 	if (!aarch32_break_handler(regs))
 		return;
 
-	if (user_insn_read(regs, &insn))
-		goto out_err;
-
-	if (try_emulate_mrs(regs, insn))
+	if (call_undef_hook(regs) == 0)
 		return;
 
-	if (try_emulate_armv8_deprecated(regs, insn))
-		return;
-
-out_err:
+	trace_android_rvh_do_undefinstr(regs, user_mode(regs));
+	BUG_ON(!user_mode(regs));
 	force_signal_inject(SIGILL, ILL_ILLOPC, regs->pc, 0);
 }
+NOKPROBE_SYMBOL(do_undefinstr);
 
-void do_el1_undef(struct pt_regs *regs, unsigned long esr)
+void do_bti(struct pt_regs *regs)
 {
-	u32 insn;
-
-	if (aarch64_insn_read((void *)regs->pc, &insn))
-		goto out_err;
-
-	if (try_emulate_el1_ssbs(regs, insn))
-		return;
-
-out_err:
-	die("Oops - Undefined instruction", regs, esr);
-}
-
-void do_el0_bti(struct pt_regs *regs)
-{
+	BUG_ON(!user_mode(regs));
 	force_signal_inject(SIGILL, ILL_ILLOPC, regs->pc, 0);
 }
+NOKPROBE_SYMBOL(do_bti);
 
-void do_el1_bti(struct pt_regs *regs, unsigned long esr)
-{
-	die("Oops - BTI", regs, esr);
-}
-
-void do_el0_fpac(struct pt_regs *regs, unsigned long esr)
-{
-	force_signal_inject(SIGILL, ILL_ILLOPN, regs->pc, esr);
-}
-
-void do_el1_fpac(struct pt_regs *regs, unsigned long esr)
+void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr)
 {
 	/*
-	 * Unexpected FPAC exception in the kernel: kill the task before it
-	 * does any more harm.
+	 * Unexpected FPAC exception or pointer authentication failure in
+	 * the kernel: kill the task before it does any more harm.
 	 */
-	die("Oops - FPAC", regs, esr);
+	BUG_ON(!user_mode(regs));
+	force_signal_inject(SIGILL, ILL_ILLOPN, regs->pc, esr);
 }
+NOKPROBE_SYMBOL(do_ptrauth_fault);
 
 #define __user_cache_maint(insn, address, res)			\
 	if (address >= user_addr_max()) {			\
@@ -440,12 +452,13 @@
 
 static void user_cache_maint_handler(unsigned int esr, struct pt_regs *regs)
 {
-	unsigned long address;
+	unsigned long tagged_address, address;
 	int rt = ESR_ELx_SYS64_ISS_RT(esr);
 	int crm = (esr & ESR_ELx_SYS64_ISS_CRM_MASK) >> ESR_ELx_SYS64_ISS_CRM_SHIFT;
 	int ret = 0;
 
-	address = untagged_addr(pt_regs_read_reg(regs, rt));
+	tagged_address = pt_regs_read_reg(regs, rt);
+	address = untagged_addr(tagged_address);
 
 	switch (crm) {
 	case ESR_ELx_SYS64_ISS_CRM_DC_CVAU:	/* DC CVAU, gets promoted */
@@ -472,7 +485,7 @@
 	}
 
 	if (ret)
-		arm64_notify_segfault(address);
+		arm64_notify_segfault(tagged_address);
 	else
 		arm64_skip_faulting_instruction(regs, AARCH64_INSN_SIZE);
 }
@@ -631,7 +644,7 @@
 	{},
 };
 
-void do_el0_cp15(unsigned long esr, struct pt_regs *regs)
+void do_cp15instr(unsigned int esr, struct pt_regs *regs)
 {
 	const struct sys64_hook *hook, *hook_base;
 
@@ -652,7 +665,7 @@
 		hook_base = cp15_64_hooks;
 		break;
 	default:
-		do_el0_undef(regs, esr);
+		do_undefinstr(regs);
 		return;
 	}
 
@@ -667,11 +680,12 @@
 	 * EL0. Fall back to our usual undefined instruction handler
 	 * so that we handle these consistently.
 	 */
-	do_el0_undef(regs, esr);
+	do_undefinstr(regs);
 }
+NOKPROBE_SYMBOL(do_cp15instr);
 #endif
 
-void do_el0_sys(unsigned long esr, struct pt_regs *regs)
+void do_sysinstr(unsigned int esr, struct pt_regs *regs)
 {
 	const struct sys64_hook *hook;
 
@@ -686,8 +700,9 @@
 	 * back to our usual undefined instruction handler so that we handle
 	 * these consistently.
 	 */
-	do_el0_undef(regs, esr);
+	do_undefinstr(regs);
 }
+NOKPROBE_SYMBOL(do_sysinstr);
 
 static const char *esr_class_str[] = {
 	[0 ... ESR_ELx_EC_MAX]		= "UNRECOGNIZED EC",
@@ -753,6 +768,7 @@
 		handler[reason], smp_processor_id(), esr,
 		esr_get_class_string(esr));
 
+	trace_android_rvh_bad_mode(regs, esr, reason);
 	__show_regs(regs);
 	local_daif_mask();
 	panic("bad mode");
@@ -764,7 +780,7 @@
  */
 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr)
 {
-	void __user *pc = (void __user *)instruction_pointer(regs);
+	unsigned long pc = instruction_pointer(regs);
 
 	current->thread.fault_address = 0;
 	current->thread.fault_code = esr;
@@ -818,6 +834,8 @@
 
 	pr_crit("SError Interrupt on CPU%d, code 0x%08x -- %s\n",
 		smp_processor_id(), esr, esr_get_class_string(esr));
+
+	trace_android_rvh_arm64_serror_panic(regs, esr);
 	if (regs)
 		__show_regs(regs);
 
@@ -888,7 +906,7 @@
 {
 	switch (report_bug(regs->pc, regs)) {
 	case BUG_TRAP_TYPE_BUG:
-		die("Oops - BUG", regs, esr);
+		die("Oops - BUG", regs, 0);
 		break;
 
 	case BUG_TRAP_TYPE_WARN:
@@ -912,7 +930,7 @@
 static int reserved_fault_handler(struct pt_regs *regs, unsigned int esr)
 {
 	pr_err("%s generated an invalid instruction at %pS!\n",
-		in_bpf_jit(regs) ? "BPF JIT" : "Kernel text patching",
+		"Kernel text patching",
 		(void *)instruction_pointer(regs));
 
 	/* We cannot handle this */
@@ -956,7 +974,7 @@
 	 * This is something that might be fixed at some point in the future.
 	 */
 	if (!recover)
-		die("Oops - KASAN", regs, esr);
+		die("Oops - KASAN", regs, 0);
 
 	/* If thread survives, skip over the brk instruction and continue: */
 	arm64_skip_faulting_instruction(regs, AARCH64_INSN_SIZE);
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index d65f522..5865ab8 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -28,9 +28,10 @@
 	     $(btildflags-y) -T
 
 ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18
-ccflags-y += -DDISABLE_BRANCH_PROFILING
+ccflags-y += -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO
 
-CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) $(GCC_PLUGINS_CFLAGS)
+CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) $(GCC_PLUGINS_CFLAGS) \
+				$(CC_FLAGS_LTO)
 KASAN_SANITIZE			:= n
 UBSAN_SANITIZE			:= n
 OBJECT_FILES_NON_STANDARD	:= y
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index abad38c..57b28f1 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -37,7 +37,7 @@
 # As a result we set our own flags here.
 
 # KBUILD_CPPFLAGS and NOSTDINC_FLAGS from top-level Makefile
-VDSO_CPPFLAGS := -D__KERNEL__ -nostdinc
+VDSO_CPPFLAGS := -DBUILD_VDSO -D__KERNEL__ -nostdinc
 VDSO_CPPFLAGS += -isystem $(shell $(CC_COMPAT) -print-file-name=include 2>/dev/null)
 VDSO_CPPFLAGS += $(LINUXINCLUDE)
 
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 71f4b5f..ec52e85 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -5,12 +5,73 @@
  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
  */
 
+#include <asm/hyp_image.h>
+#ifdef CONFIG_KVM
+#define HYPERVISOR_EXTABLE					\
+	. = ALIGN(SZ_8);					\
+	__start___kvm_ex_table = .;				\
+	*(__kvm_ex_table)					\
+	__stop___kvm_ex_table = .;
+
+#define HYPERVISOR_RODATA_SECTIONS				\
+	HYP_SECTION_NAME(.rodata) : {				\
+		. = ALIGN(PAGE_SIZE);				\
+		__hyp_rodata_start = .;				\
+		*(HYP_SECTION_NAME(.data..ro_after_init))	\
+		*(HYP_SECTION_NAME(.rodata))			\
+		. = ALIGN(PAGE_SIZE);				\
+		__hyp_rodata_end = .;				\
+	}
+
+#define HYPERVISOR_DATA_SECTION					\
+	HYP_SECTION_NAME(.data) : {				\
+		. = ALIGN(PAGE_SIZE);				\
+		__hyp_data_start = .;				\
+		*(HYP_SECTION_NAME(.data))			\
+		. = ALIGN(PAGE_SIZE);				\
+		__hyp_data_end = .;				\
+	}
+
+#define HYPERVISOR_PERCPU_SECTION				\
+	. = ALIGN(PAGE_SIZE);					\
+	HYP_SECTION_NAME(.data..percpu) : {			\
+		*(HYP_SECTION_NAME(.data..percpu))		\
+	}
+
+#define HYPERVISOR_RELOC_SECTION				\
+	.hyp.reloc : ALIGN(4) {					\
+		__hyp_reloc_begin = .;				\
+		*(.hyp.reloc)					\
+		__hyp_reloc_end = .;				\
+	}
+
+#define BSS_FIRST_SECTIONS					\
+	__hyp_bss_start = .;					\
+	*(HYP_SECTION_NAME(.bss))				\
+	. = ALIGN(PAGE_SIZE);					\
+	__hyp_bss_end = .;
+
+/*
+ * We require that __hyp_bss_start and __bss_start are aligned, and enforce it
+ * with an assertion. But the BSS_SECTION macro places an empty .sbss section
+ * between them, which can in some cases cause the linker to misalign them. To
+ * work around the issue, force a page alignment for __bss_start.
+ */
+#define SBSS_ALIGN			PAGE_SIZE
+#else /* CONFIG_KVM */
+#define HYPERVISOR_EXTABLE
+#define HYPERVISOR_RODATA_SECTIONS
+#define HYPERVISOR_DATA_SECTION
+#define HYPERVISOR_PERCPU_SECTION
+#define HYPERVISOR_RELOC_SECTION
+#define SBSS_ALIGN			0
+#endif
+
 #define RO_EXCEPTION_TABLE_ALIGN	8
 #define RUNTIME_DISCARD_EXIT
 
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/cache.h>
-#include <asm/hyp_image.h>
 #include <asm/kernel-pgtable.h>
 #include <asm/memory.h>
 #include <asm/page.h>
@@ -22,40 +83,15 @@
 
 jiffies = jiffies_64;
 
-
-#ifdef CONFIG_KVM
-#define HYPERVISOR_EXTABLE					\
-	. = ALIGN(SZ_8);					\
-	__start___kvm_ex_table = .;				\
-	*(__kvm_ex_table)					\
-	__stop___kvm_ex_table = .;
-
-#define HYPERVISOR_PERCPU_SECTION				\
-	. = ALIGN(PAGE_SIZE);					\
-	HYP_SECTION_NAME(.data..percpu) : {			\
-		*(HYP_SECTION_NAME(.data..percpu))		\
-	}
-#else /* CONFIG_KVM */
-#define HYPERVISOR_EXTABLE
-#define HYPERVISOR_PERCPU_SECTION
-#endif
-
 #define HYPERVISOR_TEXT					\
-	/*						\
-	 * Align to 4 KB so that			\
-	 * a) the HYP vector table is at its minimum	\
-	 *    alignment of 2048 bytes			\
-	 * b) the HYP init code will not cross a page	\
-	 *    boundary if its size does not exceed	\
-	 *    4 KB (see related ASSERT() below)		\
-	 */						\
-	. = ALIGN(SZ_4K);				\
+	. = ALIGN(PAGE_SIZE);				\
 	__hyp_idmap_text_start = .;			\
 	*(.hyp.idmap.text)				\
 	__hyp_idmap_text_end = .;			\
 	__hyp_text_start = .;				\
 	*(.hyp.text)					\
 	HYPERVISOR_EXTABLE				\
+	. = ALIGN(PAGE_SIZE);				\
 	__hyp_text_end = .;
 
 #define IDMAP_TEXT					\
@@ -155,6 +191,8 @@
 	/* everything from this point to __init_begin will be marked RO NX */
 	RO_DATA(PAGE_SIZE)
 
+	HYPERVISOR_RODATA_SECTIONS
+
 	idmap_pg_dir = .;
 	. += IDMAP_DIR_SIZE;
 	idmap_pg_end = .;
@@ -199,7 +237,7 @@
 		INIT_CALLS
 		CON_INITCALL
 		INIT_RAM_FS
-		*(.init.rodata.* .init.bss)	/* from the EFI stub */
+		*(.init.altinstructions .init.rodata.* .init.bss)	/* from the EFI stub */
 	}
 	.exit.data : {
 		EXIT_DATA
@@ -208,6 +246,8 @@
 	PERCPU_SECTION(L1_CACHE_BYTES)
 	HYPERVISOR_PERCPU_SECTION
 
+	HYPERVISOR_RELOC_SECTION
+
 	.rela.dyn : ALIGN(8) {
 		*(.rela .rela*)
 	}
@@ -232,6 +272,8 @@
 	_sdata = .;
 	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
 
+	HYPERVISOR_DATA_SECTION
+
 	/*
 	 * Data written with the MMU off but read with the MMU on requires
 	 * cache lines to be invalidated, discarding up to a Cache Writeback
@@ -254,7 +296,7 @@
 	__pecoff_data_rawsize = ABSOLUTE(. - __initdata_begin);
 	_edata = .;
 
-	BSS_SECTION(0, 0, 0)
+	BSS_SECTION(SBSS_ALIGN, 0, 0)
 
 	. = ALIGN(PAGE_SIZE);
 	init_pg_dir = .;
@@ -287,11 +329,12 @@
 #include "image-vars.h"
 
 /*
- * The HYP init code and ID map text can't be longer than a page each,
- * and should not cross a page boundary.
+ * The HYP init code and ID map text can't be longer than a page each. The
+ * former is page-aligned, but the latter may not be with 16K or 64K pages, so
+ * it should also not cross a page boundary.
  */
-ASSERT(__hyp_idmap_text_end - (__hyp_idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K,
-	"HYP init code too big or misaligned")
+ASSERT(__hyp_idmap_text_end - __hyp_idmap_text_start <= PAGE_SIZE,
+	"HYP init code too big")
 ASSERT(__idmap_text_end - (__idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K,
 	"ID map text too big or misaligned")
 #ifdef CONFIG_HIBERNATION
@@ -302,6 +345,9 @@
 ASSERT((__entry_tramp_text_end - __entry_tramp_text_start) <= 3*PAGE_SIZE,
 	"Entry trampoline text too big")
 #endif
+#ifdef CONFIG_KVM
+ASSERT(__hyp_bss_start == __bss_start, "HYP and Host BSS are misaligned")
+#endif
 /*
  * If padding is applied before .head.text, virt<->phys conversions will fail.
  */
diff --git a/arch/arm64/kvm/.gitignore b/arch/arm64/kvm/.gitignore
new file mode 100644
index 0000000..6182aef
--- /dev/null
+++ b/arch/arm64/kvm/.gitignore
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+hyp_constants.h
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index 043756d..408dc0f 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -4,6 +4,7 @@
 #
 
 source "virt/lib/Kconfig"
+source "virt/kvm/Kconfig"
 
 menuconfig VIRTUALIZATION
 	bool "Virtualization"
@@ -19,7 +20,7 @@
 
 menuconfig KVM
 	bool "Kernel-based Virtual Machine (KVM) support"
-	depends on OF
+	depends on HAVE_KVM
 	# for TASKSTATS/TASK_DELAY_ACCT:
 	depends on NET && MULTIUSER
 	select MMU_NOTIFIER
@@ -45,18 +46,29 @@
 
 	  If unsure, say N.
 
-if KVM
-
-source "virt/kvm/Kconfig"
-
-config KVM_ARM_PMU
-	bool "Virtual Performance Monitoring Unit (PMU) support"
-	depends on HW_PERF_EVENTS
-	default y
+config NVHE_EL2_DEBUG
+	bool "Debug mode for non-VHE EL2 object"
+	depends on KVM
 	help
-	  Adds support for a virtual Performance Monitoring Unit (PMU) in
-	  virtual machines.
+	  Say Y here to enable the debug mode for the non-VHE KVM EL2 object.
+	  Failure reports will BUG() in the hypervisor. This is intended for
+	  local EL2 hypervisor development.
 
-endif # KVM
+	  If unsure, say N.
+
+config KVM_S2MPU
+	bool "Stage-2 Memory Protection Unit support"
+	depends on KVM
+	help
+	  Support for the Stage-2 Memory Protection Unit (S2MPU) and Stream
+	  Security Mapping Table (SSMT) devices in KVM. This allows the
+	  hypervisor to restrict DMA access to its memory and the memory of
+	  protected guests.
+
+config TEST_KVM_S2MPU
+	tristate "Test kernel module for S2MPU"
+	depends on KVM_S2MPU
+	help
+	  Kernel module for kselftests that exercises the KVM S2MPU driver.
 
 endif # VIRTUALIZATION
diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile
index 1504c81..fd09abb 100644
--- a/arch/arm64/kvm/Makefile
+++ b/arch/arm64/kvm/Makefile
@@ -8,15 +8,15 @@
 KVM=../../../virt/kvm
 
 obj-$(CONFIG_KVM) += kvm.o
-obj-$(CONFIG_KVM) += hyp/
+obj-$(CONFIG_KVM) += hyp/ iommu/
 
 kvm-y := $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o \
-	 $(KVM)/vfio.o $(KVM)/irqchip.o \
+	 $(KVM)/vfio.o $(KVM)/irqchip.o iommu.o \
 	 arm.o mmu.o mmio.o psci.o perf.o hypercalls.o pvtime.o \
-	 inject_fault.o regmap.o va_layout.o handle_exit.o \
+	 inject_fault.o va_layout.o handle_exit.o \
 	 guest.o debug.o reset.o sys_regs.o \
-	 vgic-sys-reg-v3.o fpsimd.o pmu.o \
-	 aarch32.o arch_timer.o \
+	 vgic-sys-reg-v3.o fpsimd.o pmu.o pkvm.o \
+	 arch_timer.o trng.o\
 	 vgic/vgic.o vgic/vgic-init.o \
 	 vgic/vgic-irqfd.o vgic/vgic-v2.o \
 	 vgic/vgic-v3.o vgic/vgic-v4.o \
@@ -24,4 +24,20 @@
 	 vgic/vgic-mmio-v3.o vgic/vgic-kvm-device.o \
 	 vgic/vgic-its.o vgic/vgic-debug.o
 
-kvm-$(CONFIG_KVM_ARM_PMU)  += pmu-emul.o
+kvm-$(CONFIG_HW_PERF_EVENTS)  += pmu-emul.o
+
+always-y := hyp_constants.h hyp-constants.s
+
+define rule_gen_hyp_constants
+	$(call filechk,offsets,__HYP_CONSTANTS_H__)
+endef
+
+CFLAGS_hyp-constants.o = -I $(srctree)/$(src)/hyp/include -D__KVM_NVHE_HYPERVISOR__=1
+$(obj)/hyp-constants.s: $(src)/hyp/hyp-constants.c FORCE
+	$(call if_changed_dep,cc_s_c)
+
+$(obj)/hyp_constants.h: $(obj)/hyp-constants.s FORCE
+	$(call if_changed_rule,gen_hyp_constants)
+
+obj-kvm := $(addprefix $(obj)/, $(kvm-y))
+$(obj-kvm): $(obj)/hyp_constants.h
diff --git a/arch/arm64/kvm/aarch32.c b/arch/arm64/kvm/aarch32.c
deleted file mode 100644
index 40a62a9..0000000
--- a/arch/arm64/kvm/aarch32.c
+++ /dev/null
@@ -1,232 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * (not much of an) Emulation layer for 32bit guests.
- *
- * Copyright (C) 2012,2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * based on arch/arm/kvm/emulate.c
- * Copyright (C) 2012 - Virtual Open Systems and Columbia University
- * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- */
-
-#include <linux/bits.h>
-#include <linux/kvm_host.h>
-#include <asm/kvm_emulate.h>
-#include <asm/kvm_hyp.h>
-
-#define DFSR_FSC_EXTABT_LPAE	0x10
-#define DFSR_FSC_EXTABT_nLPAE	0x08
-#define DFSR_LPAE		BIT(9)
-
-/*
- * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
- */
-static const u8 return_offsets[8][2] = {
-	[0] = { 0, 0 },		/* Reset, unused */
-	[1] = { 4, 2 },		/* Undefined */
-	[2] = { 0, 0 },		/* SVC, unused */
-	[3] = { 4, 4 },		/* Prefetch abort */
-	[4] = { 8, 8 },		/* Data abort */
-	[5] = { 0, 0 },		/* HVC, unused */
-	[6] = { 4, 4 },		/* IRQ, unused */
-	[7] = { 4, 4 },		/* FIQ, unused */
-};
-
-static bool pre_fault_synchronize(struct kvm_vcpu *vcpu)
-{
-	preempt_disable();
-	if (vcpu->arch.sysregs_loaded_on_cpu) {
-		kvm_arch_vcpu_put(vcpu);
-		return true;
-	}
-
-	preempt_enable();
-	return false;
-}
-
-static void post_fault_synchronize(struct kvm_vcpu *vcpu, bool loaded)
-{
-	if (loaded) {
-		kvm_arch_vcpu_load(vcpu, smp_processor_id());
-		preempt_enable();
-	}
-}
-
-/*
- * When an exception is taken, most CPSR fields are left unchanged in the
- * handler. However, some are explicitly overridden (e.g. M[4:0]).
- *
- * The SPSR/SPSR_ELx layouts differ, and the below is intended to work with
- * either format. Note: SPSR.J bit doesn't exist in SPSR_ELx, but this bit was
- * obsoleted by the ARMv7 virtualization extensions and is RES0.
- *
- * For the SPSR layout seen from AArch32, see:
- * - ARM DDI 0406C.d, page B1-1148
- * - ARM DDI 0487E.a, page G8-6264
- *
- * For the SPSR_ELx layout for AArch32 seen from AArch64, see:
- * - ARM DDI 0487E.a, page C5-426
- *
- * Here we manipulate the fields in order of the AArch32 SPSR_ELx layout, from
- * MSB to LSB.
- */
-static unsigned long get_except32_cpsr(struct kvm_vcpu *vcpu, u32 mode)
-{
-	u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR);
-	unsigned long old, new;
-
-	old = *vcpu_cpsr(vcpu);
-	new = 0;
-
-	new |= (old & PSR_AA32_N_BIT);
-	new |= (old & PSR_AA32_Z_BIT);
-	new |= (old & PSR_AA32_C_BIT);
-	new |= (old & PSR_AA32_V_BIT);
-	new |= (old & PSR_AA32_Q_BIT);
-
-	// CPSR.IT[7:0] are set to zero upon any exception
-	// See ARM DDI 0487E.a, section G1.12.3
-	// See ARM DDI 0406C.d, section B1.8.3
-
-	new |= (old & PSR_AA32_DIT_BIT);
-
-	// CPSR.SSBS is set to SCTLR.DSSBS upon any exception
-	// See ARM DDI 0487E.a, page G8-6244
-	if (sctlr & BIT(31))
-		new |= PSR_AA32_SSBS_BIT;
-
-	// CPSR.PAN is unchanged unless SCTLR.SPAN == 0b0
-	// SCTLR.SPAN is RES1 when ARMv8.1-PAN is not implemented
-	// See ARM DDI 0487E.a, page G8-6246
-	new |= (old & PSR_AA32_PAN_BIT);
-	if (!(sctlr & BIT(23)))
-		new |= PSR_AA32_PAN_BIT;
-
-	// SS does not exist in AArch32, so ignore
-
-	// CPSR.IL is set to zero upon any exception
-	// See ARM DDI 0487E.a, page G1-5527
-
-	new |= (old & PSR_AA32_GE_MASK);
-
-	// CPSR.IT[7:0] are set to zero upon any exception
-	// See prior comment above
-
-	// CPSR.E is set to SCTLR.EE upon any exception
-	// See ARM DDI 0487E.a, page G8-6245
-	// See ARM DDI 0406C.d, page B4-1701
-	if (sctlr & BIT(25))
-		new |= PSR_AA32_E_BIT;
-
-	// CPSR.A is unchanged upon an exception to Undefined, Supervisor
-	// CPSR.A is set upon an exception to other modes
-	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516
-	// See ARM DDI 0406C.d, page B1-1182
-	new |= (old & PSR_AA32_A_BIT);
-	if (mode != PSR_AA32_MODE_UND && mode != PSR_AA32_MODE_SVC)
-		new |= PSR_AA32_A_BIT;
-
-	// CPSR.I is set upon any exception
-	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516
-	// See ARM DDI 0406C.d, page B1-1182
-	new |= PSR_AA32_I_BIT;
-
-	// CPSR.F is set upon an exception to FIQ
-	// CPSR.F is unchanged upon an exception to other modes
-	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516
-	// See ARM DDI 0406C.d, page B1-1182
-	new |= (old & PSR_AA32_F_BIT);
-	if (mode == PSR_AA32_MODE_FIQ)
-		new |= PSR_AA32_F_BIT;
-
-	// CPSR.T is set to SCTLR.TE upon any exception
-	// See ARM DDI 0487E.a, page G8-5514
-	// See ARM DDI 0406C.d, page B1-1181
-	if (sctlr & BIT(30))
-		new |= PSR_AA32_T_BIT;
-
-	new |= mode;
-
-	return new;
-}
-
-static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
-{
-	unsigned long spsr = *vcpu_cpsr(vcpu);
-	bool is_thumb = (spsr & PSR_AA32_T_BIT);
-	u32 return_offset = return_offsets[vect_offset >> 2][is_thumb];
-	u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR);
-
-	*vcpu_cpsr(vcpu) = get_except32_cpsr(vcpu, mode);
-
-	/* Note: These now point to the banked copies */
-	vcpu_write_spsr(vcpu, host_spsr_to_spsr32(spsr));
-	*vcpu_reg32(vcpu, 14) = *vcpu_pc(vcpu) + return_offset;
-
-	/* Branch to exception vector */
-	if (sctlr & (1 << 13))
-		vect_offset += 0xffff0000;
-	else /* always have security exceptions */
-		vect_offset += vcpu_cp15(vcpu, c12_VBAR);
-
-	*vcpu_pc(vcpu) = vect_offset;
-}
-
-void kvm_inject_undef32(struct kvm_vcpu *vcpu)
-{
-	bool loaded = pre_fault_synchronize(vcpu);
-
-	prepare_fault32(vcpu, PSR_AA32_MODE_UND, 4);
-	post_fault_synchronize(vcpu, loaded);
-}
-
-/*
- * Modelled after TakeDataAbortException() and TakePrefetchAbortException
- * pseudocode.
- */
-static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt,
-			 unsigned long addr)
-{
-	u32 vect_offset;
-	u32 *far, *fsr;
-	bool is_lpae;
-	bool loaded;
-
-	loaded = pre_fault_synchronize(vcpu);
-
-	if (is_pabt) {
-		vect_offset = 12;
-		far = &vcpu_cp15(vcpu, c6_IFAR);
-		fsr = &vcpu_cp15(vcpu, c5_IFSR);
-	} else { /* !iabt */
-		vect_offset = 16;
-		far = &vcpu_cp15(vcpu, c6_DFAR);
-		fsr = &vcpu_cp15(vcpu, c5_DFSR);
-	}
-
-	prepare_fault32(vcpu, PSR_AA32_MODE_ABT, vect_offset);
-
-	*far = addr;
-
-	/* Give the guest an IMPLEMENTATION DEFINED exception */
-	is_lpae = (vcpu_cp15(vcpu, c2_TTBCR) >> 31);
-	if (is_lpae) {
-		*fsr = DFSR_LPAE | DFSR_FSC_EXTABT_LPAE;
-	} else {
-		/* no need to shuffle FS[4] into DFSR[10] as its 0 */
-		*fsr = DFSR_FSC_EXTABT_nLPAE;
-	}
-
-	post_fault_synchronize(vcpu, loaded);
-}
-
-void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr)
-{
-	inject_abt32(vcpu, false, addr);
-}
-
-void kvm_inject_pabt32(struct kvm_vcpu *vcpu, unsigned long addr)
-{
-	inject_abt32(vcpu, true, addr);
-}
diff --git a/arch/arm64/kvm/arch_timer.c b/arch/arm64/kvm/arch_timer.c
index 32ba6fb..b81944f 100644
--- a/arch/arm64/kvm/arch_timer.c
+++ b/arch/arm64/kvm/arch_timer.c
@@ -9,6 +9,7 @@
 #include <linux/kvm_host.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/uaccess.h>
 
 #include <clocksource/arm_arch_timer.h>
@@ -87,7 +88,9 @@
 
 	switch(arch_timer_ctx_index(ctxt)) {
 	case TIMER_VTIMER:
-		return __vcpu_sys_reg(vcpu, CNTVOFF_EL2);
+		if (likely(!kvm_vm_is_protected(vcpu->kvm)))
+			return __vcpu_sys_reg(vcpu, CNTVOFF_EL2);
+		fallthrough;
 	default:
 		return 0;
 	}
@@ -753,6 +756,9 @@
 	struct kvm *kvm = vcpu->kvm;
 	struct kvm_vcpu *tmp;
 
+	if (unlikely(kvm_vm_is_protected(vcpu->kvm)))
+		cntvoff = 0;
+
 	mutex_lock(&kvm->lock);
 	kvm_for_each_vcpu(i, tmp, kvm)
 		timer_set_offset(vcpu_vtimer(tmp), cntvoff);
@@ -973,6 +979,135 @@
 	return 0;
 }
 
+static int timer_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu)
+{
+	if (vcpu)
+		irqd_set_forwarded_to_vcpu(d);
+	else
+		irqd_clr_forwarded_to_vcpu(d);
+
+	return 0;
+}
+
+static int timer_irq_set_irqchip_state(struct irq_data *d,
+				       enum irqchip_irq_state which, bool val)
+{
+	if (which != IRQCHIP_STATE_ACTIVE || !irqd_is_forwarded_to_vcpu(d))
+		return irq_chip_set_parent_state(d, which, val);
+
+	if (val)
+		irq_chip_mask_parent(d);
+	else
+		irq_chip_unmask_parent(d);
+
+	return 0;
+}
+
+static void timer_irq_eoi(struct irq_data *d)
+{
+	if (!irqd_is_forwarded_to_vcpu(d))
+		irq_chip_eoi_parent(d);
+}
+
+static void timer_irq_ack(struct irq_data *d)
+{
+	d = d->parent_data;
+	if (d->chip->irq_ack)
+		d->chip->irq_ack(d);
+}
+
+static struct irq_chip timer_chip = {
+	.name			= "KVM",
+	.irq_ack		= timer_irq_ack,
+	.irq_mask		= irq_chip_mask_parent,
+	.irq_unmask		= irq_chip_unmask_parent,
+	.irq_eoi		= timer_irq_eoi,
+	.irq_set_type		= irq_chip_set_type_parent,
+	.irq_set_vcpu_affinity	= timer_irq_set_vcpu_affinity,
+	.irq_set_irqchip_state	= timer_irq_set_irqchip_state,
+};
+
+static int timer_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs, void *arg)
+{
+	irq_hw_number_t hwirq = (uintptr_t)arg;
+
+	return irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
+					     &timer_chip, NULL);
+}
+
+static void timer_irq_domain_free(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs)
+{
+}
+
+static const struct irq_domain_ops timer_domain_ops = {
+	.alloc	= timer_irq_domain_alloc,
+	.free	= timer_irq_domain_free,
+};
+
+static struct irq_ops arch_timer_irq_ops = {
+	.get_input_level = kvm_arch_timer_get_input_level,
+};
+
+static void kvm_irq_fixup_flags(unsigned int virq, u32 *flags)
+{
+	*flags = irq_get_trigger_type(virq);
+	if (*flags != IRQF_TRIGGER_HIGH && *flags != IRQF_TRIGGER_LOW) {
+		kvm_err("Invalid trigger for timer IRQ%d, assuming level low\n",
+			virq);
+		*flags = IRQF_TRIGGER_LOW;
+	}
+}
+
+static int kvm_irq_init(struct arch_timer_kvm_info *info)
+{
+	struct irq_domain *domain = NULL;
+
+	if (info->virtual_irq <= 0) {
+		kvm_err("kvm_arch_timer: invalid virtual timer IRQ: %d\n",
+			info->virtual_irq);
+		return -ENODEV;
+	}
+
+	host_vtimer_irq = info->virtual_irq;
+	kvm_irq_fixup_flags(host_vtimer_irq, &host_vtimer_irq_flags);
+
+	if (kvm_vgic_global_state.no_hw_deactivation) {
+		struct fwnode_handle *fwnode;
+		struct irq_data *data;
+
+		fwnode = irq_domain_alloc_named_fwnode("kvm-timer");
+		if (!fwnode)
+			return -ENOMEM;
+
+		/* Assume both vtimer and ptimer in the same parent */
+		data = irq_get_irq_data(host_vtimer_irq);
+		domain = irq_domain_create_hierarchy(data->domain, 0,
+						     NR_KVM_TIMERS, fwnode,
+						     &timer_domain_ops, NULL);
+		if (!domain) {
+			irq_domain_free_fwnode(fwnode);
+			return -ENOMEM;
+		}
+
+		arch_timer_irq_ops.flags |= VGIC_IRQ_SW_RESAMPLE;
+		WARN_ON(irq_domain_push_irq(domain, host_vtimer_irq,
+					    (void *)TIMER_VTIMER));
+	}
+
+	if (info->physical_irq > 0) {
+		host_ptimer_irq = info->physical_irq;
+		kvm_irq_fixup_flags(host_ptimer_irq, &host_ptimer_irq_flags);
+
+		if (domain)
+			WARN_ON(irq_domain_push_irq(domain, host_ptimer_irq,
+						    (void *)TIMER_PTIMER));
+	}
+
+	return 0;
+}
+
 int kvm_timer_hyp_init(bool has_gic)
 {
 	struct arch_timer_kvm_info *info;
@@ -986,23 +1121,12 @@
 		return -ENODEV;
 	}
 
+	err = kvm_irq_init(info);
+	if (err)
+		return err;
+
 	/* First, do the virtual EL1 timer irq */
 
-	if (info->virtual_irq <= 0) {
-		kvm_err("kvm_arch_timer: invalid virtual timer IRQ: %d\n",
-			info->virtual_irq);
-		return -ENODEV;
-	}
-	host_vtimer_irq = info->virtual_irq;
-
-	host_vtimer_irq_flags = irq_get_trigger_type(host_vtimer_irq);
-	if (host_vtimer_irq_flags != IRQF_TRIGGER_HIGH &&
-	    host_vtimer_irq_flags != IRQF_TRIGGER_LOW) {
-		kvm_err("Invalid trigger for vtimer IRQ%d, assuming level low\n",
-			host_vtimer_irq);
-		host_vtimer_irq_flags = IRQF_TRIGGER_LOW;
-	}
-
 	err = request_percpu_irq(host_vtimer_irq, kvm_arch_timer_handler,
 				 "kvm guest vtimer", kvm_get_running_vcpus());
 	if (err) {
@@ -1027,15 +1151,6 @@
 	/* Now let's do the physical EL1 timer irq */
 
 	if (info->physical_irq > 0) {
-		host_ptimer_irq = info->physical_irq;
-		host_ptimer_irq_flags = irq_get_trigger_type(host_ptimer_irq);
-		if (host_ptimer_irq_flags != IRQF_TRIGGER_HIGH &&
-		    host_ptimer_irq_flags != IRQF_TRIGGER_LOW) {
-			kvm_err("Invalid trigger for ptimer IRQ%d, assuming level low\n",
-				host_ptimer_irq);
-			host_ptimer_irq_flags = IRQF_TRIGGER_LOW;
-		}
-
 		err = request_percpu_irq(host_ptimer_irq, kvm_arch_timer_handler,
 					 "kvm guest ptimer", kvm_get_running_vcpus());
 		if (err) {
@@ -1129,9 +1244,10 @@
 	if (!irqchip_in_kernel(vcpu->kvm))
 		goto no_vgic;
 
-	if (!vgic_initialized(vcpu->kvm))
-		return -ENODEV;
-
+	/*
+	 * At this stage, we have the guarantee that the vgic is both
+	 * available and initialized.
+	 */
 	if (!timer_irqs_are_valid(vcpu)) {
 		kvm_debug("incorrectly configured timer irqs\n");
 		return -EINVAL;
@@ -1142,7 +1258,7 @@
 	ret = kvm_vgic_map_phys_irq(vcpu,
 				    map.direct_vtimer->host_timer_irq,
 				    map.direct_vtimer->irq.irq,
-				    kvm_arch_timer_get_input_level);
+				    &arch_timer_irq_ops);
 	if (ret)
 		return ret;
 
@@ -1150,7 +1266,7 @@
 		ret = kvm_vgic_map_phys_irq(vcpu,
 					    map.direct_ptimer->host_timer_irq,
 					    map.direct_ptimer->irq.irq,
-					    kvm_arch_timer_get_input_level);
+					    &arch_timer_irq_ops);
 	}
 
 	if (ret)
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 4d63fcd..e2f4154 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -15,10 +15,12 @@
 #include <linux/fs.h>
 #include <linux/mman.h>
 #include <linux/sched.h>
+#include <linux/kmemleak.h>
 #include <linux/kvm.h>
 #include <linux/kvm_irqfd.h>
 #include <linux/irqbypass.h>
 #include <linux/sched/stat.h>
+#include <linux/psci.h>
 #include <trace/events/kvm.h>
 
 #define CREATE_TRACE_POINTS
@@ -34,22 +36,21 @@
 #include <asm/kvm_arm.h>
 #include <asm/kvm_asm.h>
 #include <asm/kvm_mmu.h>
+#include <asm/kvm_pkvm.h>
 #include <asm/kvm_emulate.h>
-#include <asm/kvm_coproc.h>
 #include <asm/sections.h>
 
 #include <kvm/arm_hypercalls.h>
 #include <kvm/arm_pmu.h>
 #include <kvm/arm_psci.h>
 
-#ifdef REQUIRES_VIRT
-__asm__(".arch_extension	virt");
-#endif
+static enum kvm_mode kvm_mode = KVM_MODE_DEFAULT;
+DEFINE_STATIC_KEY_FALSE(kvm_protected_mode_initialized);
 
 DECLARE_KVM_HYP_PER_CPU(unsigned long, kvm_hyp_vector);
 
 static DEFINE_PER_CPU(unsigned long, kvm_arm_hyp_stack_page);
-unsigned long kvm_arm_hyp_percpu_base[NR_CPUS];
+DECLARE_KVM_NVHE_PER_CPU(struct kvm_nvhe_init_params, kvm_init_params);
 
 /* The VMID used in the VTTBR */
 static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1);
@@ -81,13 +82,35 @@
 {
 	int r;
 
-	if (cap->flags)
-		return -EINVAL;
+	/* Capabilities with flags */
+	switch (cap->cap) {
+	case KVM_CAP_ARM_PROTECTED_VM:
+		return kvm_arm_vm_ioctl_pkvm(kvm, cap);
+	default:
+		if (cap->flags)
+			return -EINVAL;
+	}
 
+	/* Capabilities without flags */
 	switch (cap->cap) {
 	case KVM_CAP_ARM_NISV_TO_USER:
-		r = 0;
-		kvm->arch.return_nisv_io_abort_to_user = true;
+		if (kvm_vm_is_protected(kvm)) {
+			r = -EINVAL;
+		} else {
+			r = 0;
+			set_bit(KVM_ARCH_FLAG_RETURN_NISV_IO_ABORT_TO_USER,
+				&kvm->arch.flags);
+		}
+		break;
+	case KVM_CAP_ARM_MTE:
+		mutex_lock(&kvm->lock);
+		if (!system_supports_mte() || kvm->created_vcpus) {
+			r = -EINVAL;
+		} else {
+			r = 0;
+			set_bit(KVM_ARCH_FLAG_MTE_ENABLED, &kvm->arch.flags);
+		}
+		mutex_unlock(&kvm->lock);
 		break;
 	default:
 		r = -EINVAL;
@@ -102,7 +125,7 @@
 	return vgic_present ? kvm_vgic_get_max_vcpus() : KVM_MAX_VCPUS;
 }
 
-static void set_default_csv2(struct kvm *kvm)
+static void set_default_spectre(struct kvm *kvm)
 {
 	/*
 	 * The default is to expose CSV2 == 1 if the HW isn't affected.
@@ -114,6 +137,8 @@
 	 */
 	if (arm64_get_spectre_v2_state() == SPECTRE_UNAFFECTED)
 		kvm->arch.pfr0_csv2 = 1;
+	if (arm64_get_meltdown_state() == SPECTRE_UNAFFECTED)
+		kvm->arch.pfr0_csv3 = 1;
 }
 
 /**
@@ -124,29 +149,29 @@
 {
 	int ret;
 
-	ret = kvm_arm_setup_stage2(kvm, type);
+	if (type & ~KVM_VM_TYPE_MASK)
+		return -EINVAL;
+
+	ret = kvm_share_hyp(kvm, kvm + 1);
 	if (ret)
 		return ret;
 
-	ret = kvm_init_stage2_mmu(kvm, &kvm->arch.mmu);
+	ret = kvm_init_pvm(kvm, type);
 	if (ret)
 		return ret;
 
-	ret = create_hyp_mappings(kvm, kvm + 1, PAGE_HYP);
+	ret = kvm_init_stage2_mmu(kvm, &kvm->arch.mmu, type);
 	if (ret)
-		goto out_free_stage2_pgd;
+		return ret;
 
 	kvm_vgic_early_init(kvm);
 
 	/* The maximum number of VCPUs is limited by the host's GIC model */
 	kvm->arch.max_vcpus = kvm_arm_default_max_vcpus();
 
-	set_default_csv2(kvm);
+	set_default_spectre(kvm);
 
 	return ret;
-out_free_stage2_pgd:
-	kvm_free_stage2_pgd(&kvm->arch.mmu);
-	return ret;
 }
 
 vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf)
@@ -154,7 +179,6 @@
 	return VM_FAULT_SIGBUS;
 }
 
-
 /**
  * kvm_arch_destroy_vm - destroy the VM data structure
  * @kvm:	pointer to the KVM struct
@@ -167,6 +191,9 @@
 
 	kvm_vgic_destroy(kvm);
 
+	if (is_protected_kvm_enabled())
+		kvm_shadow_destroy(kvm);
+
 	for (i = 0; i < KVM_MAX_VCPUS; ++i) {
 		if (kvm->vcpus[i]) {
 			kvm_vcpu_destroy(kvm->vcpus[i]);
@@ -174,11 +201,14 @@
 		}
 	}
 	atomic_set(&kvm->online_vcpus, 0);
+
+	kvm_unshare_hyp(kvm, kvm + 1);
 }
 
-int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
+static int kvm_check_extension(struct kvm *kvm, long ext)
 {
 	int r;
+
 	switch (ext) {
 	case KVM_CAP_IRQCHIP:
 		r = vgic_present;
@@ -196,15 +226,27 @@
 	case KVM_CAP_IMMEDIATE_EXIT:
 	case KVM_CAP_VCPU_EVENTS:
 	case KVM_CAP_ARM_IRQ_LINE_LAYOUT_2:
-	case KVM_CAP_ARM_NISV_TO_USER:
 	case KVM_CAP_ARM_INJECT_EXT_DABT:
+	case KVM_CAP_SET_GUEST_DEBUG:
+	case KVM_CAP_VCPU_ATTRIBUTES:
+	case KVM_CAP_PTP_KVM:
 		r = 1;
 		break;
+	case KVM_CAP_ARM_NISV_TO_USER:
+		r = !kvm || !kvm_vm_is_protected(kvm);
+		break;
 	case KVM_CAP_ARM_SET_DEVICE_ADDR:
 		r = 1;
 		break;
 	case KVM_CAP_NR_VCPUS:
-		r = num_online_cpus();
+		/*
+		 * ARM64 treats KVM_CAP_NR_CPUS differently from all other
+		 * architectures, as it does not always bound it to
+		 * KVM_CAP_MAX_VCPUS. It should not matter much because
+		 * this is just an advisory value.
+		 */
+		r = min_t(unsigned int, num_online_cpus(),
+			  kvm_arm_default_max_vcpus());
 		break;
 	case KVM_CAP_MAX_VCPUS:
 	case KVM_CAP_MAX_VCPU_ID:
@@ -226,13 +268,109 @@
 		 */
 		r = 1;
 		break;
+	case KVM_CAP_ARM_MTE:
+		r = system_supports_mte();
+		break;
 	case KVM_CAP_STEAL_TIME:
 		r = kvm_arm_pvtime_supported();
 		break;
+	case KVM_CAP_ARM_EL1_32BIT:
+		r = cpus_have_const_cap(ARM64_HAS_32BIT_EL1);
+		break;
+	case KVM_CAP_GUEST_DEBUG_HW_BPS:
+		r = get_num_brps();
+		break;
+	case KVM_CAP_GUEST_DEBUG_HW_WPS:
+		r = get_num_wrps();
+		break;
+	case KVM_CAP_ARM_PMU_V3:
+		r = kvm_arm_support_pmu_v3();
+		break;
+	case KVM_CAP_ARM_INJECT_SERROR_ESR:
+		r = cpus_have_const_cap(ARM64_HAS_RAS_EXTN);
+		break;
+	case KVM_CAP_ARM_VM_IPA_SIZE:
+		r = get_kvm_ipa_limit();
+		break;
+	case KVM_CAP_ARM_SVE:
+		r = system_supports_sve();
+		break;
+	case KVM_CAP_ARM_PTRAUTH_ADDRESS:
+	case KVM_CAP_ARM_PTRAUTH_GENERIC:
+		r = system_has_full_ptr_auth();
+		break;
 	default:
-		r = kvm_arch_vm_ioctl_check_extension(kvm, ext);
+		r = 0;
+	}
+
+	return r;
+}
+
+/*
+ * Checks whether the exctension specified in ext is supported for protected
+ * vms. The capabilities supported by kvm in general are passed in kvm_cap.
+ */
+static int pkvm_check_extension(struct kvm *kvm, long ext, int kvm_cap)
+{
+	int r;
+
+	switch (ext) {
+	case KVM_CAP_IRQCHIP:
+	case KVM_CAP_ARM_PSCI:
+	case KVM_CAP_ARM_PSCI_0_2:
+	case KVM_CAP_NR_VCPUS:
+	case KVM_CAP_MAX_VCPUS:
+	case KVM_CAP_MAX_VCPU_ID:
+	case KVM_CAP_MSI_DEVID:
+	case KVM_CAP_ARM_VM_IPA_SIZE:
+		r = kvm_cap;
+		break;
+	case KVM_CAP_GUEST_DEBUG_HW_BPS:
+		r = min(kvm_cap, pkvm_get_max_brps());
+		break;
+	case KVM_CAP_GUEST_DEBUG_HW_WPS:
+		r = min(kvm_cap, pkvm_get_max_wrps());
+		break;
+	case KVM_CAP_ARM_PMU_V3:
+		r = kvm_cap && FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_PMUVER),
+					 PVM_ID_AA64DFR0_ALLOW);
+		break;
+	case KVM_CAP_ARM_SVE:
+		r = kvm_cap && FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_SVE),
+					 PVM_ID_AA64PFR0_RESTRICT_UNSIGNED);
+		break;
+	case KVM_CAP_ARM_PTRAUTH_ADDRESS:
+		r = kvm_cap &&
+		    FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_API),
+			      PVM_ID_AA64ISAR1_ALLOW) &&
+		    FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_APA),
+			      PVM_ID_AA64ISAR1_ALLOW);
+		break;
+	case KVM_CAP_ARM_PTRAUTH_GENERIC:
+		r = kvm_cap &&
+		    FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_GPI),
+			      PVM_ID_AA64ISAR1_ALLOW) &&
+		    FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_GPA),
+			      PVM_ID_AA64ISAR1_ALLOW);
+		break;
+	case KVM_CAP_ARM_PROTECTED_VM:
+		r = 1;
+		break;
+	default:
+		r = 0;
 		break;
 	}
+
+	return r;
+}
+
+int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
+{
+	int r = kvm_check_extension(kvm, ext);
+
+	if (unlikely(kvm && kvm_vm_is_protected(kvm)))
+		r = pkvm_check_extension(kvm, ext, r);
+
 	return r;
 }
 
@@ -244,10 +382,12 @@
 
 struct kvm *kvm_arch_alloc_vm(void)
 {
-	if (!has_vhe())
-		return kzalloc(sizeof(struct kvm), GFP_KERNEL);
+	size_t sz = sizeof(struct kvm);
 
-	return vzalloc(sizeof(struct kvm));
+	if (!has_vhe())
+		return kzalloc(sz, GFP_KERNEL_ACCOUNT);
+
+	return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_HIGHMEM | __GFP_ZERO);
 }
 
 void kvm_arch_free_vm(struct kvm *kvm)
@@ -294,7 +434,7 @@
 	if (err)
 		return err;
 
-	return create_hyp_mappings(vcpu, vcpu + 1, PAGE_HYP);
+	return kvm_share_hyp(vcpu, vcpu + 1);
 }
 
 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu)
@@ -303,10 +443,13 @@
 
 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
 {
-	if (vcpu->arch.has_run_once && unlikely(!irqchip_in_kernel(vcpu->kvm)))
+	if (vcpu_has_run_once(vcpu) && unlikely(!irqchip_in_kernel(vcpu->kvm)))
 		static_branch_dec(&userspace_irqchip_in_use);
 
-	kvm_mmu_free_memory_cache(&vcpu->arch.mmu_page_cache);
+	if (is_protected_kvm_enabled())
+		free_hyp_memcache(&vcpu->arch.pkvm_memcache);
+	else
+		kvm_mmu_free_memory_cache(&vcpu->arch.mmu_page_cache);
 	kvm_timer_vcpu_terminate(vcpu);
 	kvm_pmu_vcpu_destroy(vcpu);
 
@@ -331,15 +474,14 @@
 	 * doorbells to be signalled, should an interrupt become pending.
 	 */
 	preempt_disable();
-	kvm_vgic_vmcr_sync(vcpu);
-	vgic_v4_put(vcpu, true);
+	kvm_vgic_put(vcpu, true);
 	preempt_enable();
 }
 
 void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu)
 {
 	preempt_disable();
-	vgic_v4_load(vcpu);
+	kvm_vgic_load(vcpu);
 	preempt_enable();
 }
 
@@ -348,6 +490,9 @@
 	struct kvm_s2_mmu *mmu;
 	int *last_ran;
 
+	if (is_protected_kvm_enabled())
+		goto nommu;
+
 	mmu = vcpu->arch.hw_mmu;
 	last_ran = this_cpu_ptr(mmu->last_vcpu_ran);
 
@@ -365,6 +510,7 @@
 		*last_ran = vcpu->vcpu_id;
 	}
 
+nommu:
 	vcpu->cpu = cpu;
 
 	kvm_vgic_load(vcpu);
@@ -383,15 +529,35 @@
 
 	if (vcpu_has_ptrauth(vcpu))
 		vcpu_ptrauth_disable(vcpu);
+	kvm_arch_vcpu_load_debug_state_flags(vcpu);
+
+	if (is_protected_kvm_enabled()) {
+		kvm_call_hyp_nvhe(__pkvm_vcpu_load,
+				  vcpu->kvm->arch.pkvm.shadow_handle,
+				  vcpu->vcpu_idx, vcpu->arch.hcr_el2);
+		kvm_call_hyp(__vgic_v3_restore_vmcr_aprs,
+			     &vcpu->arch.vgic_cpu.vgic_v3);
+	}
 }
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 {
+	if (is_protected_kvm_enabled()) {
+		kvm_call_hyp(__vgic_v3_save_vmcr_aprs,
+			     &vcpu->arch.vgic_cpu.vgic_v3);
+		kvm_call_hyp_nvhe(__pkvm_vcpu_put);
+
+		/* __pkvm_vcpu_put implies a sync of the state */
+		if (!kvm_vm_is_protected(vcpu->kvm))
+			vcpu->arch.flags |= KVM_ARM64_PKVM_STATE_DIRTY;
+	}
+
+	kvm_arch_vcpu_put_debug_state_flags(vcpu);
 	kvm_arch_vcpu_put_fp(vcpu);
 	if (has_vhe())
 		kvm_vcpu_put_sysregs_vhe(vcpu);
 	kvm_timer_vcpu_put(vcpu);
-	kvm_vgic_put(vcpu);
+	kvm_vgic_put(vcpu, false);
 	kvm_vcpu_pmu_restore_host(vcpu);
 
 	vcpu->cpu = -1;
@@ -524,7 +690,7 @@
 		kvm_call_hyp(__kvm_flush_vm_context);
 	}
 
-	vmid->vmid = kvm_next_vmid;
+	WRITE_ONCE(vmid->vmid, kvm_next_vmid);
 	kvm_next_vmid++;
 	kvm_next_vmid &= (1 << kvm_get_vmid_bits()) - 1;
 
@@ -534,18 +700,33 @@
 	spin_unlock(&kvm_vmid_lock);
 }
 
-static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
+static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.target >= 0;
+}
+
+/*
+ * Handle both the initialisation that is being done when the vcpu is
+ * run for the first time, as well as the updates that must be
+ * performed each time we get a new thread dealing with this vcpu.
+ */
+int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
 {
 	struct kvm *kvm = vcpu->kvm;
-	int ret = 0;
+	int ret;
 
-	if (likely(vcpu->arch.has_run_once))
-		return 0;
+	if (!kvm_vcpu_initialized(vcpu))
+		return -ENOEXEC;
 
 	if (!kvm_arm_vcpu_is_finalized(vcpu))
 		return -EPERM;
 
-	vcpu->arch.has_run_once = true;
+	ret = kvm_arch_vcpu_run_map_fp(vcpu);
+	if (ret)
+		return ret;
+
+	if (likely(vcpu_has_run_once(vcpu)))
+		return 0;
 
 	kvm_arm_vcpu_init_debug(vcpu);
 
@@ -554,17 +735,9 @@
 		 * Map the VGIC hardware resources before running a vcpu the
 		 * first time on this VM.
 		 */
-		if (unlikely(!vgic_ready(kvm))) {
-			ret = kvm_vgic_map_resources(kvm);
-			if (ret)
-				return ret;
-		}
-	} else {
-		/*
-		 * Tell the rest of the code that there are userspace irqchip
-		 * VMs in the wild.
-		 */
-		static_branch_inc(&userspace_irqchip_in_use);
+		ret = kvm_vgic_map_resources(kvm);
+		if (ret)
+			return ret;
 	}
 
 	ret = kvm_timer_enable(vcpu);
@@ -572,6 +745,23 @@
 		return ret;
 
 	ret = kvm_arm_pmu_v3_enable(vcpu);
+	if (ret)
+		return ret;
+
+	if (!irqchip_in_kernel(kvm)) {
+		/*
+		 * Tell the rest of the code that there are userspace irqchip
+		 * VMs in the wild.
+		 */
+		static_branch_inc(&userspace_irqchip_in_use);
+	}
+
+	if (is_protected_kvm_enabled()) {
+		/* Start with the vcpu in a dirty state */
+		if (!kvm_vm_is_protected(vcpu->kvm))
+			vcpu->arch.flags |= KVM_ARM64_PKVM_STATE_DIRTY;
+		ret = create_el2_shadow(kvm);
+	}
 
 	return ret;
 }
@@ -623,11 +813,6 @@
 	smp_rmb();
 }
 
-static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.target >= 0;
-}
-
 static void check_vcpu_requests(struct kvm_vcpu *vcpu)
 {
 	if (kvm_request_pending(vcpu)) {
@@ -653,9 +838,21 @@
 			vgic_v4_load(vcpu);
 			preempt_enable();
 		}
+
+		if (kvm_check_request(KVM_REQ_RELOAD_PMU, vcpu))
+			kvm_pmu_handle_pmcr(vcpu,
+					    __vcpu_sys_reg(vcpu, PMCR_EL0));
 	}
 }
 
+static bool vcpu_mode_is_bad_32bit(struct kvm_vcpu *vcpu)
+{
+	if (likely(!vcpu_mode_is_32bit(vcpu)))
+		return false;
+
+	return !kvm_supports_32bit_el0();
+}
+
 /**
  * kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code
  * @vcpu:	The VCPU pointer
@@ -671,24 +868,19 @@
 	struct kvm_run *run = vcpu->run;
 	int ret;
 
-	if (unlikely(!kvm_vcpu_initialized(vcpu)))
-		return -ENOEXEC;
-
-	ret = kvm_vcpu_first_run_init(vcpu);
-	if (ret)
-		return ret;
-
 	if (run->exit_reason == KVM_EXIT_MMIO) {
 		ret = kvm_handle_mmio_return(vcpu);
 		if (ret)
 			return ret;
 	}
 
-	if (run->immediate_exit)
-		return -EINTR;
-
 	vcpu_load(vcpu);
 
+	if (run->immediate_exit) {
+		ret = -EINTR;
+		goto out;
+	}
+
 	kvm_sigset_activate(vcpu);
 
 	ret = 1;
@@ -723,6 +915,7 @@
 		if (signal_pending(current)) {
 			ret = -EINTR;
 			run->exit_reason = KVM_EXIT_INTR;
+			++vcpu->stat.signal_exits;
 		}
 
 		/*
@@ -762,6 +955,7 @@
 		}
 
 		kvm_arm_setup_debug(vcpu);
+		kvm_arch_vcpu_ctxflush_fp(vcpu);
 
 		/**************************************************************
 		 * Enter the guest
@@ -839,7 +1033,7 @@
 		 * with the asymmetric AArch32 case), return to userspace with
 		 * a fatal error.
 		 */
-		if (!system_supports_32bit_el0() && vcpu_mode_is_32bit(vcpu)) {
+		if (vcpu_mode_is_bad_32bit(vcpu)) {
 			/*
 			 * As we have caught the guest red-handed, decide that
 			 * it isn't fit for purpose anymore by making the vcpu
@@ -861,6 +1055,18 @@
 
 	kvm_sigset_deactivate(vcpu);
 
+out:
+	/*
+	 * In the unlikely event that we are returning to userspace
+	 * with pending exceptions or PC adjustment, commit these
+	 * adjustments in order to give userspace a consistent view of
+	 * the vcpu state. Note that this relies on __kvm_adjust_pc()
+	 * being preempt-safe on VHE.
+	 */
+	if (unlikely(vcpu->arch.flags & (KVM_ARM64_PENDING_EXCEPTION |
+					 KVM_ARM64_INCREMENT_PC)))
+		kvm_call_hyp(__kvm_adjust_pc, vcpu);
+
 	vcpu_put(vcpu);
 	return ret;
 }
@@ -963,7 +1169,7 @@
 			       const struct kvm_vcpu_init *init)
 {
 	unsigned int i, ret;
-	int phys_target = kvm_target_cpu();
+	u32 phys_target = kvm_target_cpu();
 
 	if (init->target != phys_target)
 		return -EINVAL;
@@ -1024,14 +1230,15 @@
 	 * need to invalidate the I-cache though, as FWB does *not*
 	 * imply CTR_EL0.DIC.
 	 */
-	if (vcpu->arch.has_run_once) {
+	if (vcpu_has_run_once(vcpu)) {
 		if (!cpus_have_final_cap(ARM64_HAS_STAGE2_FWB))
 			stage2_unmap_vm(vcpu->kvm);
 		else
-			__flush_icache_all();
+			icache_inval_all_pou();
 	}
 
 	vcpu_reset_hcr(vcpu);
+	vcpu->arch.cptr_el2 = CPTR_EL2_DEFAULT;
 
 	/*
 	 * Handle the "start in power-off" case.
@@ -1296,18 +1503,22 @@
 		return kvm_vm_ioctl_set_device_addr(kvm, &dev_addr);
 	}
 	case KVM_ARM_PREFERRED_TARGET: {
-		int err;
 		struct kvm_vcpu_init init;
 
-		err = kvm_vcpu_preferred_target(&init);
-		if (err)
-			return err;
+		kvm_vcpu_preferred_target(&init);
 
 		if (copy_to_user(argp, &init, sizeof(init)))
 			return -EFAULT;
 
 		return 0;
 	}
+	case KVM_ARM_MTE_COPY_TAGS: {
+		struct kvm_arm_copy_mte_tags copy_tags;
+
+		if (copy_from_user(&copy_tags, argp, sizeof(copy_tags)))
+			return -EFAULT;
+		return kvm_vm_ioctl_mte_copy_tags(kvm, &copy_tags);
+	}
 	default:
 		return -EINVAL;
 	}
@@ -1326,64 +1537,94 @@
 	return size ? get_order(size) : 0;
 }
 
-static int kvm_map_vectors(void)
+/* A lookup table holding the hypervisor VA for each vector slot */
+static void *hyp_spectre_vector_selector[BP_HARDEN_EL2_SLOTS];
+
+static void kvm_init_vector_slot(void *base, enum arm64_hyp_spectre_vector slot)
 {
-	/*
-	 * SV2  = ARM64_SPECTRE_V2
-	 * HEL2 = ARM64_HARDEN_EL2_VECTORS
-	 *
-	 * !SV2 + !HEL2 -> use direct vectors
-	 *  SV2 + !HEL2 -> use hardened vectors in place
-	 * !SV2 +  HEL2 -> allocate one vector slot and use exec mapping
-	 *  SV2 +  HEL2 -> use hardened vectors and use exec mapping
-	 */
-	if (cpus_have_const_cap(ARM64_SPECTRE_V2) ||
-	    cpus_have_const_cap(ARM64_SPECTRE_BHB)) {
-		__kvm_bp_vect_base = kvm_ksym_ref(__bp_harden_hyp_vecs);
-		__kvm_bp_vect_base = kern_hyp_va(__kvm_bp_vect_base);
+	hyp_spectre_vector_selector[slot] = __kvm_vector_slot2addr(base, slot);
+}
+
+static int kvm_init_vector_slots(void)
+{
+	int err;
+	void *base;
+
+	base = kern_hyp_va(kvm_ksym_ref(__kvm_hyp_vector));
+	kvm_init_vector_slot(base, HYP_VECTOR_DIRECT);
+
+	base = kern_hyp_va(kvm_ksym_ref(__bp_harden_hyp_vecs));
+	kvm_init_vector_slot(base, HYP_VECTOR_SPECTRE_DIRECT);
+
+	if (kvm_system_needs_idmapped_vectors() && !has_vhe()) {
+		err = create_hyp_exec_mappings(__pa_symbol(__bp_harden_hyp_vecs),
+					       __BP_HARDEN_HYP_VECS_SZ, &base);
+		if (err)
+			return err;
 	}
 
-	if (cpus_have_const_cap(ARM64_HARDEN_EL2_VECTORS)) {
-		phys_addr_t vect_pa = __pa_symbol(__bp_harden_hyp_vecs);
-		unsigned long size = __BP_HARDEN_HYP_VECS_SZ;
-
-		/*
-		 * Always allocate a spare vector slot, as we don't
-		 * know yet which CPUs have a BP hardening slot that
-		 * we can reuse.
-		 */
-		__kvm_harden_el2_vector_slot = atomic_inc_return(&arm64_el2_vector_last_slot);
-		BUG_ON(__kvm_harden_el2_vector_slot >= BP_HARDEN_EL2_SLOTS);
-		return create_hyp_exec_mappings(vect_pa, size,
-						&__kvm_bp_vect_base);
-	}
-
+	kvm_init_vector_slot(base, HYP_VECTOR_INDIRECT);
+	kvm_init_vector_slot(base, HYP_VECTOR_SPECTRE_INDIRECT);
 	return 0;
 }
 
-static void cpu_init_hyp_mode(void)
+static void cpu_prepare_hyp_mode(int cpu)
 {
-	phys_addr_t pgd_ptr;
-	unsigned long hyp_stack_ptr;
-	unsigned long vector_ptr;
-	unsigned long tpidr_el2;
-	struct arm_smccc_res res;
-
-	/* Switch from the HYP stub to our own HYP init vector */
-	__hyp_set_vectors(kvm_get_idmap_vector());
+	struct kvm_nvhe_init_params *params = per_cpu_ptr_nvhe_sym(kvm_init_params, cpu);
+	unsigned long tcr;
 
 	/*
 	 * Calculate the raw per-cpu offset without a translation from the
 	 * kernel's mapping to the linear mapping, and store it in tpidr_el2
 	 * so that we can use adr_l to access per-cpu variables in EL2.
+	 * Also drop the KASAN tag which gets in the way...
 	 */
-	tpidr_el2 = (unsigned long)this_cpu_ptr_nvhe_sym(__per_cpu_start) -
-		    (unsigned long)kvm_ksym_ref(CHOOSE_NVHE_SYM(__per_cpu_start));
+	params->tpidr_el2 = (unsigned long)kasan_reset_tag(per_cpu_ptr_nvhe_sym(__per_cpu_start, cpu)) -
+			    (unsigned long)kvm_ksym_ref(CHOOSE_NVHE_SYM(__per_cpu_start));
 
-	pgd_ptr = kvm_mmu_get_httbr();
-	hyp_stack_ptr = __this_cpu_read(kvm_arm_hyp_stack_page) + PAGE_SIZE;
-	hyp_stack_ptr = kern_hyp_va(hyp_stack_ptr);
-	vector_ptr = (unsigned long)kern_hyp_va(kvm_ksym_ref(__kvm_hyp_host_vector));
+	params->mair_el2 = read_sysreg(mair_el1);
+
+	/*
+	 * The ID map may be configured to use an extended virtual address
+	 * range. This is only the case if system RAM is out of range for the
+	 * currently configured page size and VA_BITS, in which case we will
+	 * also need the extended virtual range for the HYP ID map, or we won't
+	 * be able to enable the EL2 MMU.
+	 *
+	 * However, at EL2, there is only one TTBR register, and we can't switch
+	 * between translation tables *and* update TCR_EL2.T0SZ at the same
+	 * time. Bottom line: we need to use the extended range with *both* our
+	 * translation tables.
+	 *
+	 * So use the same T0SZ value we use for the ID map.
+	 */
+	tcr = (read_sysreg(tcr_el1) & TCR_EL2_MASK) | TCR_EL2_RES1;
+	tcr &= ~TCR_T0SZ_MASK;
+	tcr |= (idmap_t0sz & GENMASK(TCR_TxSZ_WIDTH - 1, 0)) << TCR_T0SZ_OFFSET;
+	params->tcr_el2 = tcr;
+
+	params->stack_hyp_va = kern_hyp_va(per_cpu(kvm_arm_hyp_stack_page, cpu) + PAGE_SIZE);
+	params->pgd_pa = kvm_mmu_get_httbr();
+	if (is_protected_kvm_enabled())
+		params->hcr_el2 = HCR_HOST_NVHE_PROTECTED_FLAGS;
+	else
+		params->hcr_el2 = HCR_HOST_NVHE_FLAGS;
+	params->vttbr = params->vtcr = 0;
+
+	/*
+	 * Flush the init params from the data cache because the struct will
+	 * be read while the MMU is off.
+	 */
+	kvm_flush_dcache_to_poc(params, sizeof(*params));
+}
+
+static void hyp_install_host_vector(void)
+{
+	struct kvm_nvhe_init_params *params;
+	struct arm_smccc_res res;
+
+	/* Switch from the HYP stub to our own HYP init vector */
+	__hyp_set_vectors(kvm_get_idmap_vector());
 
 	/*
 	 * Call initialization code, and switch to the full blown HYP code.
@@ -1392,9 +1633,14 @@
 	 * cpus_have_const_cap() wrapper.
 	 */
 	BUG_ON(!system_capabilities_finalized());
-	arm_smccc_1_1_hvc(KVM_HOST_SMCCC_FUNC(__kvm_hyp_init),
-			  pgd_ptr, tpidr_el2, hyp_stack_ptr, vector_ptr, &res);
+	params = this_cpu_ptr_nvhe_sym(kvm_init_params);
+	arm_smccc_1_1_hvc(KVM_HOST_SMCCC_FUNC(__kvm_hyp_init), virt_to_phys(params), &res);
 	WARN_ON(res.a0 != SMCCC_RET_SUCCESS);
+}
+
+static void cpu_init_hyp_mode(void)
+{
+	hyp_install_host_vector();
 
 	/*
 	 * Disabling SSBD on a non-VHE system requires us to enable SSBS
@@ -1412,25 +1658,64 @@
 		__hyp_reset_vectors();
 }
 
-static void cpu_hyp_reinit(void)
+/*
+ * EL2 vectors can be mapped and rerouted in a number of ways,
+ * depending on the kernel configuration and CPU present:
+ *
+ * - If the CPU is affected by Spectre-v2, the hardening sequence is
+ *   placed in one of the vector slots, which is executed before jumping
+ *   to the real vectors.
+ *
+ * - If the CPU also has the ARM64_SPECTRE_V3A cap, the slot
+ *   containing the hardening sequence is mapped next to the idmap page,
+ *   and executed before jumping to the real vectors.
+ *
+ * - If the CPU only has the ARM64_SPECTRE_V3A cap, then an
+ *   empty slot is selected, mapped next to the idmap page, and
+ *   executed before jumping to the real vectors.
+ *
+ * Note that ARM64_SPECTRE_V3A is somewhat incompatible with
+ * VHE, as we don't have hypervisor-specific mappings. If the system
+ * is VHE and yet selects this capability, it will be ignored.
+ */
+static void cpu_set_hyp_vector(void)
+{
+	struct bp_hardening_data *data = this_cpu_ptr(&bp_hardening_data);
+	void *vector = hyp_spectre_vector_selector[data->slot];
+
+	if (!is_protected_kvm_enabled())
+		*this_cpu_ptr_hyp_sym(kvm_hyp_vector) = (unsigned long)vector;
+	else
+		kvm_call_hyp_nvhe(__pkvm_cpu_set_vector, data->slot);
+}
+
+static void cpu_hyp_init_context(void)
 {
 	kvm_init_host_cpu_context(&this_cpu_ptr_hyp_sym(kvm_host_data)->host_ctxt);
 
-	cpu_hyp_reset();
+	if (!is_kernel_in_hyp_mode())
+		cpu_init_hyp_mode();
+}
 
-	*this_cpu_ptr_hyp_sym(kvm_hyp_vector) = (unsigned long)kvm_get_hyp_vector();
+static void cpu_hyp_init_features(void)
+{
+	cpu_set_hyp_vector();
+	kvm_arm_init_debug();
 
 	if (is_kernel_in_hyp_mode())
 		kvm_timer_init_vhe();
-	else
-		cpu_init_hyp_mode();
-
-	kvm_arm_init_debug();
 
 	if (vgic_present)
 		kvm_vgic_init_cpu_hardware();
 }
 
+static void cpu_hyp_reinit(void)
+{
+	cpu_hyp_reset();
+	cpu_hyp_init_context();
+	cpu_hyp_init_features();
+}
+
 static void _kvm_arch_hardware_enable(void *discard)
 {
 	if (!__this_cpu_read(kvm_arm_hardware_enabled)) {
@@ -1455,7 +1740,8 @@
 
 void kvm_arch_hardware_disable(void)
 {
-	_kvm_arch_hardware_disable(NULL);
+	if (!is_protected_kvm_enabled())
+		_kvm_arch_hardware_disable(NULL);
 }
 
 #ifdef CONFIG_CPU_PM
@@ -1496,13 +1782,15 @@
 	.notifier_call = hyp_init_cpu_pm_notifier,
 };
 
-static void __init hyp_cpu_pm_init(void)
+static void hyp_cpu_pm_init(void)
 {
-	cpu_pm_register_notifier(&hyp_init_cpu_pm_nb);
+	if (!is_protected_kvm_enabled())
+		cpu_pm_register_notifier(&hyp_init_cpu_pm_nb);
 }
-static void __init hyp_cpu_pm_exit(void)
+static void hyp_cpu_pm_exit(void)
 {
-	cpu_pm_unregister_notifier(&hyp_init_cpu_pm_nb);
+	if (!is_protected_kvm_enabled())
+		cpu_pm_unregister_notifier(&hyp_init_cpu_pm_nb);
 }
 #else
 static inline void hyp_cpu_pm_init(void)
@@ -1513,9 +1801,45 @@
 }
 #endif
 
-static int init_common_resources(void)
+static void init_cpu_logical_map(void)
 {
-	return kvm_set_ipa_limit();
+	unsigned int cpu;
+
+	/*
+	 * Copy the MPIDR <-> logical CPU ID mapping to hyp.
+	 * Only copy the set of online CPUs whose features have been chacked
+	 * against the finalized system capabilities. The hypervisor will not
+	 * allow any other CPUs from the `possible` set to boot.
+	 */
+	for_each_online_cpu(cpu)
+		hyp_cpu_logical_map[cpu] = cpu_logical_map(cpu);
+}
+
+#define init_psci_0_1_impl_state(config, what)	\
+	config.psci_0_1_ ## what ## _implemented = psci_ops.what
+
+static bool init_psci_relay(void)
+{
+	/*
+	 * If PSCI has not been initialized, protected KVM cannot install
+	 * itself on newly booted CPUs.
+	 */
+	if (!psci_ops.get_version) {
+		kvm_err("Cannot initialize protected mode without PSCI\n");
+		return false;
+	}
+
+	kvm_host_psci_config.version = psci_ops.get_version();
+	kvm_host_psci_config.smccc_version = arm_smccc_get_version();
+
+	if (kvm_host_psci_config.version == PSCI_VERSION(0, 1)) {
+		kvm_host_psci_config.function_ids_0_1 = get_psci_0_1_function_ids();
+		init_psci_0_1_impl_state(kvm_host_psci_config, cpu_suspend);
+		init_psci_0_1_impl_state(kvm_host_psci_config, cpu_on);
+		init_psci_0_1_impl_state(kvm_host_psci_config, cpu_off);
+		init_psci_0_1_impl_state(kvm_host_psci_config, migrate);
+	}
+	return true;
 }
 
 static int init_subsystems(void)
@@ -1557,10 +1881,11 @@
 		goto out;
 
 	kvm_perf_init();
-	kvm_coproc_table_init();
+	kvm_sys_reg_table_init();
 
 out:
-	on_each_cpu(_kvm_arch_hardware_disable, NULL, 1);
+	if (err || !is_protected_kvm_enabled())
+		on_each_cpu(_kvm_arch_hardware_disable, NULL, 1);
 
 	return err;
 }
@@ -1572,22 +1897,80 @@
 	free_hyp_pgds();
 	for_each_possible_cpu(cpu) {
 		free_page(per_cpu(kvm_arm_hyp_stack_page, cpu));
-		free_pages(kvm_arm_hyp_percpu_base[cpu], nvhe_percpu_order());
+		free_pages(kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[cpu], nvhe_percpu_order());
 	}
 }
 
+static int do_pkvm_init(u32 hyp_va_bits)
+{
+	void *per_cpu_base = kvm_ksym_ref(kvm_nvhe_sym(kvm_arm_hyp_percpu_base));
+	int ret;
+
+	preempt_disable();
+	cpu_hyp_init_context();
+	ret = kvm_call_hyp_nvhe(__pkvm_init, hyp_mem_base, hyp_mem_size,
+				num_possible_cpus(), kern_hyp_va(per_cpu_base),
+				hyp_va_bits);
+	cpu_hyp_init_features();
+
+	/*
+	 * The stub hypercalls are now disabled, so set our local flag to
+	 * prevent a later re-init attempt in kvm_arch_hardware_enable().
+	 */
+	__this_cpu_write(kvm_arm_hardware_enabled, 1);
+	preempt_enable();
+
+	return ret;
+}
+
+static int kvm_hyp_init_protection(u32 hyp_va_bits)
+{
+	void *addr = phys_to_virt(hyp_mem_base);
+	int ret;
+
+	kvm_nvhe_sym(id_aa64pfr0_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
+	kvm_nvhe_sym(id_aa64pfr1_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64PFR1_EL1);
+	kvm_nvhe_sym(id_aa64isar0_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64ISAR0_EL1);
+	kvm_nvhe_sym(id_aa64isar1_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64ISAR1_EL1);
+	kvm_nvhe_sym(id_aa64mmfr0_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
+	kvm_nvhe_sym(id_aa64mmfr1_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
+	kvm_nvhe_sym(id_aa64mmfr2_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR2_EL1);
+	kvm_nvhe_sym(__icache_flags) = __icache_flags;
+	kvm_nvhe_sym(smccc_trng_available) = smccc_trng_available;
+
+	ret = create_hyp_mappings(addr, addr + hyp_mem_size, PAGE_HYP);
+	if (ret)
+		return ret;
+
+	ret = do_pkvm_init(hyp_va_bits);
+	if (ret)
+		return ret;
+
+	free_hyp_pgds();
+
+	return 0;
+}
+
 /**
  * Inits Hyp-mode on all online CPUs
  */
 static int init_hyp_mode(void)
 {
+	u32 hyp_va_bits;
 	int cpu;
-	int err = 0;
+	int err = -ENOMEM;
+
+	/*
+	 * The protected Hyp-mode cannot be initialized if the memory pool
+	 * allocation has failed.
+	 */
+	if (is_protected_kvm_enabled() && !hyp_mem_base)
+		goto out_err;
 
 	/*
 	 * Allocate Hyp PGD and setup Hyp identity mapping
 	 */
-	err = kvm_mmu_init();
+	err = kvm_mmu_init(&hyp_va_bits);
 	if (err)
 		goto out_err;
 
@@ -1621,7 +2004,7 @@
 
 		page_addr = page_address(page);
 		memcpy(page_addr, CHOOSE_NVHE_SYM(__per_cpu_start), nvhe_percpu_size());
-		kvm_arm_hyp_percpu_base[cpu] = (unsigned long)page_addr;
+		kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[cpu] = (unsigned long)page_addr;
 	}
 
 	/*
@@ -1634,6 +2017,20 @@
 		goto out_err;
 	}
 
+	err = create_hyp_mappings(kvm_ksym_ref(__hyp_data_start),
+				  kvm_ksym_ref(__hyp_data_end), PAGE_HYP);
+	if (err) {
+		kvm_err("Cannot map .hyp.data section\n");
+		goto out_err;
+	}
+
+	err = create_hyp_mappings(kvm_ksym_ref(__hyp_rodata_start),
+				  kvm_ksym_ref(__hyp_rodata_end), PAGE_HYP_RO);
+	if (err) {
+		kvm_err("Cannot map .hyp.rodata section\n");
+		goto out_err;
+	}
+
 	err = create_hyp_mappings(kvm_ksym_ref(__start_rodata),
 				  kvm_ksym_ref(__end_rodata), PAGE_HYP_RO);
 	if (err) {
@@ -1641,16 +2038,22 @@
 		goto out_err;
 	}
 
-	err = create_hyp_mappings(kvm_ksym_ref(__bss_start),
-				  kvm_ksym_ref(__bss_stop), PAGE_HYP_RO);
+	/*
+	 * .hyp.bss is guaranteed to be placed at the beginning of the .bss
+	 * section thanks to an assertion in the linker script. Map it RW and
+	 * the rest of .bss RO.
+	 */
+	err = create_hyp_mappings(kvm_ksym_ref(__hyp_bss_start),
+				  kvm_ksym_ref(__hyp_bss_end), PAGE_HYP);
 	if (err) {
-		kvm_err("Cannot map bss section\n");
+		kvm_err("Cannot map hyp bss section: %d\n", err);
 		goto out_err;
 	}
 
-	err = kvm_map_vectors();
+	err = create_hyp_mappings(kvm_ksym_ref(__hyp_bss_end),
+				  kvm_ksym_ref(__bss_stop), PAGE_HYP_RO);
 	if (err) {
-		kvm_err("Cannot map vectors\n");
+		kvm_err("Cannot map bss section\n");
 		goto out_err;
 	}
 
@@ -1668,19 +2071,36 @@
 		}
 	}
 
-	/*
-	 * Map Hyp percpu pages
-	 */
 	for_each_possible_cpu(cpu) {
-		char *percpu_begin = (char *)kvm_arm_hyp_percpu_base[cpu];
+		char *percpu_begin = (char *)kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[cpu];
 		char *percpu_end = percpu_begin + nvhe_percpu_size();
 
+		/* Map Hyp percpu pages */
 		err = create_hyp_mappings(percpu_begin, percpu_end, PAGE_HYP);
-
 		if (err) {
 			kvm_err("Cannot map hyp percpu region\n");
 			goto out_err;
 		}
+
+		/* Prepare the CPU initialization parameters */
+		cpu_prepare_hyp_mode(cpu);
+	}
+
+	if (is_protected_kvm_enabled()) {
+		init_cpu_logical_map();
+
+		if (!init_psci_relay()) {
+			err = -ENODEV;
+			goto out_err;
+		}
+	}
+
+	if (is_protected_kvm_enabled()) {
+		err = kvm_hyp_init_protection(hyp_va_bits);
+		if (err) {
+			kvm_err("Failed to init hyp memory protection\n");
+			goto out_err;
+		}
 	}
 
 	return 0;
@@ -1691,9 +2111,50 @@
 	return err;
 }
 
-static void check_kvm_target_cpu(void *ret)
+static void _kvm_host_prot_finalize(void *arg)
 {
-	*(int *)ret = kvm_target_cpu();
+	int *err = arg;
+
+	if (WARN_ON(kvm_call_hyp_nvhe(__pkvm_prot_finalize)))
+		WRITE_ONCE(*err, -EINVAL);
+}
+
+static int pkvm_drop_host_privileges(void)
+{
+	int ret = 0;
+
+	/*
+	 * Flip the static key upfront as that may no longer be possible
+	 * once the host stage 2 is installed.
+	 */
+	static_branch_enable(&kvm_protected_mode_initialized);
+
+	/*
+	 * Fixup the boot mode so that we don't take spurious round
+	 * trips via EL2 on cpu_resume. Flush to the PoC for a good
+	 * measure, so that it can be observed by a CPU coming out of
+	 * suspend with the MMU off.
+	 */
+	__boot_cpu_mode[0] = __boot_cpu_mode[1] = BOOT_CPU_MODE_EL1;
+	dcache_clean_poc((unsigned long)__boot_cpu_mode,
+			 (unsigned long)(__boot_cpu_mode + 2));
+
+	on_each_cpu(_kvm_host_prot_finalize, &ret, 1);
+	return ret;
+}
+
+static int finalize_hyp_mode(void)
+{
+	if (!is_protected_kvm_enabled())
+		return 0;
+
+	/*
+	 * Exclude HYP BSS and DATA from kmemleak so that they don't get peeked
+	 * at, which would end badly once the sections are inaccessible.
+	 */
+	kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start);
+	kmemleak_free_part(__hyp_data_start, __hyp_data_end - __hyp_data_start);
+	return pkvm_drop_host_privileges();
 }
 
 struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr)
@@ -1755,7 +2216,6 @@
 int kvm_arch_init(void *opaque)
 {
 	int err;
-	int ret, cpu;
 	bool in_hyp_mode;
 
 	if (!is_hyp_mode_available()) {
@@ -1763,27 +2223,19 @@
 		return -ENODEV;
 	}
 
-	in_hyp_mode = is_kernel_in_hyp_mode();
-
-	if (!in_hyp_mode && kvm_arch_requires_vhe()) {
-		kvm_pr_unimpl("CPU unsupported in non-VHE mode, not initializing\n");
+	if (kvm_get_mode() == KVM_MODE_NONE) {
+		kvm_info("KVM disabled from command line\n");
 		return -ENODEV;
 	}
 
+	in_hyp_mode = is_kernel_in_hyp_mode();
+
 	if (cpus_have_final_cap(ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE) ||
 	    cpus_have_final_cap(ARM64_WORKAROUND_1508412))
 		kvm_info("Guests without required CPU erratum workarounds can deadlock system!\n" \
 			 "Only trusted guests should be used on this system.\n");
 
-	for_each_online_cpu(cpu) {
-		smp_call_function_single(cpu, check_kvm_target_cpu, &ret, 1);
-		if (ret < 0) {
-			kvm_err("Error, CPU %d not supported!\n", cpu);
-			return -ENODEV;
-		}
-	}
-
-	err = init_common_resources();
+	err = kvm_set_ipa_limit();
 	if (err)
 		return err;
 
@@ -1797,19 +2249,37 @@
 			goto out_err;
 	}
 
+	err = kvm_init_vector_slots();
+	if (err) {
+		kvm_err("Cannot initialise vector slots\n");
+		goto out_hyp;
+	}
+
 	err = init_subsystems();
 	if (err)
-		goto out_hyp;
+		goto out_subs;
 
-	if (in_hyp_mode)
+	if (!in_hyp_mode) {
+		err = finalize_hyp_mode();
+		if (err) {
+			kvm_err("Failed to finalize Hyp protection\n");
+			goto out_subs;
+		}
+	}
+
+	if (is_protected_kvm_enabled()) {
+		kvm_info("Protected nVHE mode initialized successfully\n");
+	} else if (in_hyp_mode) {
 		kvm_info("VHE mode initialized successfully\n");
-	else
+	} else {
 		kvm_info("Hyp mode initialized successfully\n");
+	}
 
 	return 0;
 
-out_hyp:
+out_subs:
 	hyp_cpu_pm_exit();
+out_hyp:
 	if (!in_hyp_mode)
 		teardown_hyp_mode();
 out_err:
@@ -1822,6 +2292,44 @@
 	kvm_perf_teardown();
 }
 
+static int __init early_kvm_mode_cfg(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	if (strcmp(arg, "none") == 0) {
+		kvm_mode = KVM_MODE_NONE;
+		return 0;
+	}
+
+	if (!is_hyp_mode_available()) {
+		pr_warn_once("KVM is not available. Ignoring kvm-arm.mode\n");
+		return 0;
+	}
+
+	if (strcmp(arg, "protected") == 0) {
+		if (!is_kernel_in_hyp_mode())
+			kvm_mode = KVM_MODE_PROTECTED;
+		else
+			pr_warn_once("Protected KVM not available with VHE\n");
+
+		return 0;
+	}
+
+	if (strcmp(arg, "nvhe") == 0 && !WARN_ON(is_kernel_in_hyp_mode())) {
+		kvm_mode = KVM_MODE_DEFAULT;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+early_param("kvm-arm.mode", early_kvm_mode_cfg);
+
+enum kvm_mode kvm_get_mode(void)
+{
+	return kvm_mode;
+}
+
 static int arm_init(void)
 {
 	int rc = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c
index 2484b2c..7d91f87 100644
--- a/arch/arm64/kvm/debug.c
+++ b/arch/arm64/kvm/debug.c
@@ -21,7 +21,7 @@
 				DBG_MDSCR_KDE | \
 				DBG_MDSCR_MDE)
 
-static DEFINE_PER_CPU(u32, mdcr_el2);
+static DEFINE_PER_CPU(u64, mdcr_el2);
 
 /**
  * save/restore_guest_debug_regs
@@ -141,7 +141,13 @@
  * @vcpu:	the vcpu pointer
  *
  * This is called before each entry into the hypervisor to setup any
- * debug related registers.
+ * debug related registers. Currently this just ensures we will trap
+ * access to:
+ *  - Performance monitors (MDCR_EL2_TPM/MDCR_EL2_TPMCR)
+ *  - Debug ROM Address (MDCR_EL2_TDRA)
+ *  - OS related registers (MDCR_EL2_TDOSA)
+ *  - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
+ *  - Self-hosted Trace (MDCR_EL2_TTRF/MDCR_EL2_E2TB)
  *
  * Additionally, KVM only traps guest accesses to the debug registers if
  * the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
@@ -263,3 +269,32 @@
 		}
 	}
 }
+
+void kvm_arch_vcpu_load_debug_state_flags(struct kvm_vcpu *vcpu)
+{
+	u64 dfr0;
+
+	/* For VHE, there is nothing to do */
+	if (has_vhe())
+		return;
+
+	dfr0 = read_sysreg(id_aa64dfr0_el1);
+	/*
+	 * If SPE is present on this CPU and is available at current EL,
+	 * we may need to check if the host state needs to be saved.
+	 */
+	if (cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_PMSVER_SHIFT) &&
+	    !(read_sysreg_s(SYS_PMBIDR_EL1) & BIT(SYS_PMBIDR_EL1_P_SHIFT)))
+		vcpu->arch.flags |= KVM_ARM64_DEBUG_STATE_SAVE_SPE;
+
+	/* Check if we have TRBE implemented and available at the host */
+	if (cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_TRBE_SHIFT) &&
+	    !(read_sysreg_s(SYS_TRBIDR_EL1) & TRBIDR_PROG))
+		vcpu->arch.flags |= KVM_ARM64_DEBUG_STATE_SAVE_TRBE;
+}
+
+void kvm_arch_vcpu_put_debug_state_flags(struct kvm_vcpu *vcpu)
+{
+	vcpu->arch.flags &= ~(KVM_ARM64_DEBUG_STATE_SAVE_SPE |
+			      KVM_ARM64_DEBUG_STATE_SAVE_TRBE);
+}
diff --git a/arch/arm64/kvm/fpsimd.c b/arch/arm64/kvm/fpsimd.c
index 3e081d5..e44673a 100644
--- a/arch/arm64/kvm/fpsimd.c
+++ b/arch/arm64/kvm/fpsimd.c
@@ -7,13 +7,26 @@
  */
 #include <linux/irqflags.h>
 #include <linux/sched.h>
-#include <linux/thread_info.h>
 #include <linux/kvm_host.h>
 #include <asm/fpsimd.h>
 #include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
 #include <asm/kvm_mmu.h>
 #include <asm/sysreg.h>
 
+void kvm_vcpu_unshare_task_fp(struct kvm_vcpu *vcpu)
+{
+	struct task_struct *p = vcpu->arch.parent_task;
+	struct user_fpsimd_state *fpsimd;
+
+	if (!is_protected_kvm_enabled() || !p)
+		return;
+
+	fpsimd = &p->thread.uw.fpsimd_state;
+	kvm_unshare_hyp(fpsimd, fpsimd + 1);
+	put_task_struct(p);
+}
+
 /*
  * Called on entry to KVM_RUN unless this vcpu previously ran at least
  * once and the most recent prior KVM_RUN for this vcpu was called from
@@ -27,25 +40,29 @@
 {
 	int ret;
 
-	struct thread_info *ti = &current->thread_info;
 	struct user_fpsimd_state *fpsimd = &current->thread.uw.fpsimd_state;
 
-	/*
-	 * Make sure the host task thread flags and fpsimd state are
-	 * visible to hyp:
-	 */
-	ret = create_hyp_mappings(ti, ti + 1, PAGE_HYP);
-	if (ret)
-		goto error;
+	kvm_vcpu_unshare_task_fp(vcpu);
 
-	ret = create_hyp_mappings(fpsimd, fpsimd + 1, PAGE_HYP);
+	/* Make sure the host task fpsimd state is visible to hyp: */
+	ret = kvm_share_hyp(fpsimd, fpsimd + 1);
 	if (ret)
-		goto error;
+		return ret;
 
-	vcpu->arch.host_thread_info = kern_hyp_va(ti);
 	vcpu->arch.host_fpsimd_state = kern_hyp_va(fpsimd);
-error:
-	return ret;
+
+	/*
+	 * We need to keep current's task_struct pinned until its data has been
+	 * unshared with the hypervisor to make sure it is not re-used by the
+	 * kernel and donated to someone else while already shared -- see
+	 * kvm_vcpu_unshare_task_fp() for the matching put_task_struct().
+	 */
+	if (is_protected_kvm_enabled()) {
+		get_task_struct(current);
+		vcpu->arch.parent_task = current;
+	}
+
+	return 0;
 }
 
 /*
@@ -54,26 +71,28 @@
  *
  * Here, we just set the correct metadata to indicate that the FPSIMD
  * state in the cpu regs (if any) belongs to current on the host.
- *
- * TIF_SVE is backed up here, since it may get clobbered with guest state.
- * This flag is restored by kvm_arch_vcpu_put_fp(vcpu).
  */
 void kvm_arch_vcpu_load_fp(struct kvm_vcpu *vcpu)
 {
 	BUG_ON(!current->mm);
+	BUG_ON(test_thread_flag(TIF_SVE));
 
-	vcpu->arch.flags &= ~(KVM_ARM64_FP_ENABLED |
-			      KVM_ARM64_HOST_SVE_IN_USE |
-			      KVM_ARM64_HOST_SVE_ENABLED);
+	vcpu->arch.flags &= ~KVM_ARM64_FP_ENABLED;
 	vcpu->arch.flags |= KVM_ARM64_FP_HOST;
 
-	if (test_thread_flag(TIF_SVE))
-		vcpu->arch.flags |= KVM_ARM64_HOST_SVE_IN_USE;
-
+	vcpu->arch.flags &= ~KVM_ARM64_HOST_SVE_ENABLED;
 	if (read_sysreg(cpacr_el1) & CPACR_EL1_ZEN_EL0EN)
 		vcpu->arch.flags |= KVM_ARM64_HOST_SVE_ENABLED;
 }
 
+void kvm_arch_vcpu_ctxflush_fp(struct kvm_vcpu *vcpu)
+{
+	if (test_thread_flag(TIF_FOREIGN_FPSTATE))
+		vcpu->arch.flags |= KVM_ARM64_FP_FOREIGN_FPSTATE;
+	else
+		vcpu->arch.flags &= ~KVM_ARM64_FP_FOREIGN_FPSTATE;
+}
+
 /*
  * If the guest FPSIMD state was loaded, update the host's context
  * tracking data mark the CPU FPSIMD regs as dirty and belonging to vcpu
@@ -103,17 +122,21 @@
 void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu)
 {
 	unsigned long flags;
-	bool host_has_sve = system_supports_sve();
-	bool guest_has_sve = vcpu_has_sve(vcpu);
 
 	local_irq_save(flags);
 
 	if (vcpu->arch.flags & KVM_ARM64_FP_ENABLED) {
-		fpsimd_save_and_flush_cpu_state();
+		if (vcpu_has_sve(vcpu)) {
+			__vcpu_sys_reg(vcpu, ZCR_EL1) = read_sysreg_el1(SYS_ZCR);
 
-		if (guest_has_sve)
-			__vcpu_sys_reg(vcpu, ZCR_EL1) = read_sysreg_s(SYS_ZCR_EL12);
-	} else if (host_has_sve) {
+			/* Restore the VL that was saved when bound to the CPU */
+			if (!has_vhe())
+				sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1,
+						       SYS_ZCR_EL1);
+		}
+
+		fpsimd_save_and_flush_cpu_state();
+	} else if (has_vhe() && system_supports_sve()) {
 		/*
 		 * The FPSIMD/SVE state in the CPU has not been touched, and we
 		 * have SVE (and VHE): CPACR_EL1 (alias CPTR_EL2) has been
@@ -127,8 +150,7 @@
 			sysreg_clear_set(CPACR_EL1, CPACR_EL1_ZEN_EL0EN, 0);
 	}
 
-	update_thread_flag(TIF_SVE,
-			   vcpu->arch.flags & KVM_ARM64_HOST_SVE_IN_USE);
+	update_thread_flag(TIF_SVE, 0);
 
 	local_irq_restore(flags);
 }
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index dfb5218..911e2f36 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -24,7 +24,6 @@
 #include <asm/fpsimd.h>
 #include <asm/kvm.h>
 #include <asm/kvm_emulate.h>
-#include <asm/kvm_coproc.h>
 #include <asm/sigcontext.h>
 
 #include "trace.h"
@@ -39,6 +38,7 @@
 	VCPU_STAT("wfi_exit_stat", wfi_exit_stat),
 	VCPU_STAT("mmio_exit_user", mmio_exit_user),
 	VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel),
+	VCPU_STAT("signal_exits", signal_exits),
 	VCPU_STAT("exits", exits),
 	VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns),
 	VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns),
@@ -226,7 +226,7 @@
 		u64 mode = (*(u64 *)valp) & PSR_AA32_MODE_MASK;
 		switch (mode) {
 		case PSR_AA32_MODE_USR:
-			if (!system_supports_32bit_el0())
+			if (!kvm_supports_32bit_el0())
 				return -EINVAL;
 			break;
 		case PSR_AA32_MODE_FIQ:
@@ -252,10 +252,32 @@
 	memcpy(addr, valp, KVM_REG_SIZE(reg->id));
 
 	if (*vcpu_cpsr(vcpu) & PSR_MODE32_BIT) {
-		int i;
+		int i, nr_reg;
 
-		for (i = 0; i < 16; i++)
-			*vcpu_reg32(vcpu, i) = (u32)*vcpu_reg32(vcpu, i);
+		switch (*vcpu_cpsr(vcpu)) {
+		/*
+		 * Either we are dealing with user mode, and only the
+		 * first 15 registers (+ PC) must be narrowed to 32bit.
+		 * AArch32 r0-r14 conveniently map to AArch64 x0-x14.
+		 */
+		case PSR_AA32_MODE_USR:
+		case PSR_AA32_MODE_SYS:
+			nr_reg = 15;
+			break;
+
+		/*
+		 * Otherwide, this is a priviledged mode, and *all* the
+		 * registers must be narrowed to 32bit.
+		 */
+		default:
+			nr_reg = 31;
+			break;
+		}
+
+		for (i = 0; i < nr_reg; i++)
+			vcpu_set_reg(vcpu, i, (u32)vcpu_get_reg(vcpu, i));
+
+		*vcpu_pc(vcpu) = (u32)*vcpu_pc(vcpu);
 	}
 out:
 	return err;
@@ -278,7 +300,7 @@
 
 	memset(vqs, 0, sizeof(vqs));
 
-	max_vq = sve_vq_from_vl(vcpu->arch.sve_max_vl);
+	max_vq = vcpu_sve_max_vq(vcpu);
 	for (vq = SVE_VQ_MIN; vq <= max_vq; ++vq)
 		if (sve_vq_available(vq))
 			vqs[vq_word(vq)] |= vq_mask(vq);
@@ -406,7 +428,7 @@
 		if (!vcpu_has_sve(vcpu) || (reg->id & SVE_REG_SLICE_MASK) > 0)
 			return -ENOENT;
 
-		vq = sve_vq_from_vl(vcpu->arch.sve_max_vl);
+		vq = vcpu_sve_max_vq(vcpu);
 
 		reqoffset = SVE_SIG_ZREG_OFFSET(vq, reg_num) -
 				SVE_SIG_REGS_OFFSET;
@@ -416,7 +438,7 @@
 		if (!vcpu_has_sve(vcpu) || (reg->id & SVE_REG_SLICE_MASK) > 0)
 			return -ENOENT;
 
-		vq = sve_vq_from_vl(vcpu->arch.sve_max_vl);
+		vq = vcpu_sve_max_vq(vcpu);
 
 		reqoffset = SVE_SIG_PREG_OFFSET(vq, reg_num) -
 				SVE_SIG_REGS_OFFSET;
@@ -801,7 +823,7 @@
 	return 0;
 }
 
-int __attribute_const__ kvm_target_cpu(void)
+u32 __attribute_const__ kvm_target_cpu(void)
 {
 	unsigned long implementor = read_cpuid_implementor();
 	unsigned long part_number = read_cpuid_part_number();
@@ -831,12 +853,9 @@
 	return KVM_ARM_TARGET_GENERIC_V8;
 }
 
-int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init)
+void kvm_vcpu_preferred_target(struct kvm_vcpu_init *init)
 {
-	int target = kvm_target_cpu();
-
-	if (target < 0)
-		return -ENODEV;
+	u32 target = kvm_target_cpu();
 
 	memset(init, 0, sizeof(*init));
 
@@ -847,8 +866,6 @@
 	 * target type.
 	 */
 	init->target = (__u32)target;
-
-	return 0;
 }
 
 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
@@ -867,11 +884,6 @@
 	return -EINVAL;
 }
 
-#define KVM_GUESTDBG_VALID_MASK (KVM_GUESTDBG_ENABLE |    \
-			    KVM_GUESTDBG_USE_SW_BP | \
-			    KVM_GUESTDBG_USE_HW | \
-			    KVM_GUESTDBG_SINGLESTEP)
-
 /**
  * kvm_arch_vcpu_ioctl_set_guest_debug - set up guest debugging
  * @kvm:	pointer to the KVM struct
@@ -979,3 +991,93 @@
 
 	return ret;
 }
+
+int kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm,
+			       struct kvm_arm_copy_mte_tags *copy_tags)
+{
+	gpa_t guest_ipa = copy_tags->guest_ipa;
+	size_t length = copy_tags->length;
+	void __user *tags = copy_tags->addr;
+	gpa_t gfn;
+	bool write = !(copy_tags->flags & KVM_ARM_TAGS_FROM_GUEST);
+	int ret = 0;
+
+	if (!kvm_has_mte(kvm))
+		return -EINVAL;
+
+	if (copy_tags->reserved[0] || copy_tags->reserved[1])
+		return -EINVAL;
+
+	if (copy_tags->flags & ~KVM_ARM_TAGS_FROM_GUEST)
+		return -EINVAL;
+
+	if (length & ~PAGE_MASK || guest_ipa & ~PAGE_MASK)
+		return -EINVAL;
+
+	/* Lengths above INT_MAX cannot be represented in the return value */
+	if (length > INT_MAX)
+		return -EINVAL;
+
+	gfn = gpa_to_gfn(guest_ipa);
+
+	mutex_lock(&kvm->slots_lock);
+
+	while (length > 0) {
+		kvm_pfn_t pfn = gfn_to_pfn_prot(kvm, gfn, write, NULL);
+		void *maddr;
+		unsigned long num_tags;
+		struct page *page;
+
+		if (is_error_noslot_pfn(pfn)) {
+			ret = -EFAULT;
+			goto out;
+		}
+
+		page = pfn_to_online_page(pfn);
+		if (!page) {
+			/* Reject ZONE_DEVICE memory */
+			ret = -EFAULT;
+			goto out;
+		}
+		maddr = page_address(page);
+
+		if (!write) {
+			if (test_bit(PG_mte_tagged, &page->flags))
+				num_tags = mte_copy_tags_to_user(tags, maddr,
+							MTE_GRANULES_PER_PAGE);
+			else
+				/* No tags in memory, so write zeros */
+				num_tags = MTE_GRANULES_PER_PAGE -
+					clear_user(tags, MTE_GRANULES_PER_PAGE);
+			kvm_release_pfn_clean(pfn);
+		} else {
+			num_tags = mte_copy_tags_from_user(maddr, tags,
+							MTE_GRANULES_PER_PAGE);
+
+			/*
+			 * Set the flag after checking the write
+			 * completed fully
+			 */
+			if (num_tags == MTE_GRANULES_PER_PAGE)
+				set_bit(PG_mte_tagged, &page->flags);
+
+			kvm_release_pfn_dirty(pfn);
+		}
+
+		if (num_tags != MTE_GRANULES_PER_PAGE) {
+			ret = -EFAULT;
+			goto out;
+		}
+
+		gfn++;
+		tags += num_tags;
+		length -= PAGE_SIZE;
+	}
+
+out:
+	mutex_unlock(&kvm->slots_lock);
+	/* If some data has been copied report the number of bytes copied */
+	if (length != copy_tags->length)
+		return copy_tags->length - length;
+	return ret;
+}
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index 5d690d6..5ccf487 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -14,7 +14,6 @@
 #include <asm/esr.h>
 #include <asm/exception.h>
 #include <asm/kvm_asm.h>
-#include <asm/kvm_coproc.h>
 #include <asm/kvm_emulate.h>
 #include <asm/kvm_mmu.h>
 #include <asm/debug-monitors.h>
@@ -61,7 +60,7 @@
 	 * otherwise return to the same address...
 	 */
 	vcpu_set_reg(vcpu, 0, ~0UL);
-	kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+	kvm_incr_pc(vcpu);
 	return 1;
 }
 
@@ -100,7 +99,7 @@
 		kvm_clear_request(KVM_REQ_UNHALT, vcpu);
 	}
 
-	kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+	kvm_incr_pc(vcpu);
 
 	return 1;
 }
@@ -114,34 +113,20 @@
  * guest and host are using the same debug facilities it will be up to
  * userspace to re-inject the correct exception for guest delivery.
  *
- * @return: 0 (while setting vcpu->run->exit_reason), -1 for error
+ * @return: 0 (while setting vcpu->run->exit_reason)
  */
 static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu)
 {
 	struct kvm_run *run = vcpu->run;
 	u32 esr = kvm_vcpu_get_esr(vcpu);
-	int ret = 0;
 
 	run->exit_reason = KVM_EXIT_DEBUG;
 	run->debug.arch.hsr = esr;
 
-	switch (ESR_ELx_EC(esr)) {
-	case ESR_ELx_EC_WATCHPT_LOW:
+	if (ESR_ELx_EC(esr) == ESR_ELx_EC_WATCHPT_LOW)
 		run->debug.arch.far = vcpu->arch.fault.far_el2;
-		fallthrough;
-	case ESR_ELx_EC_SOFTSTP_LOW:
-	case ESR_ELx_EC_BREAKPT_LOW:
-	case ESR_ELx_EC_BKPT32:
-	case ESR_ELx_EC_BRK64:
-		break;
-	default:
-		kvm_err("%s: un-handled case esr: %#08x\n",
-			__func__, (unsigned int) esr);
-		ret = -1;
-		break;
-	}
 
-	return ret;
+	return 0;
 }
 
 static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu)
@@ -217,11 +202,26 @@
 	int handled;
 
 	/*
+	 * If we run a non-protected VM when protection is enabled
+	 * system-wide, resync the state from the hypervisor and mark
+	 * it as dirty on the host side if it wasn't dirty already
+	 * (which could happen if preemption has taken place).
+	 */
+	if (is_protected_kvm_enabled() && !kvm_vm_is_protected(vcpu->kvm)) {
+		preempt_disable();
+		if (!(vcpu->arch.flags & KVM_ARM64_PKVM_STATE_DIRTY)) {
+			kvm_call_hyp_nvhe(__pkvm_vcpu_sync_state);
+			vcpu->arch.flags |= KVM_ARM64_PKVM_STATE_DIRTY;
+		}
+		preempt_enable();
+	}
+
+	/*
 	 * See ARM ARM B1.14.1: "Hyp traps on instructions
 	 * that fail their condition code check"
 	 */
 	if (!kvm_condition_valid(vcpu)) {
-		kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+		kvm_incr_pc(vcpu);
 		handled = 1;
 	} else {
 		exit_handle_fn exit_handler;
@@ -242,19 +242,10 @@
 	struct kvm_run *run = vcpu->run;
 
 	if (ARM_SERROR_PENDING(exception_index)) {
-		u8 esr_ec = ESR_ELx_EC(kvm_vcpu_get_esr(vcpu));
-
 		/*
-		 * HVC/SMC already have an adjusted PC, which we need
-		 * to correct in order to return to after having
-		 * injected the SError.
+		 * The SError is handled by handle_exit_early(). If the guest
+		 * survives it will re-execute the original instruction.
 		 */
-		if (esr_ec == ESR_ELx_EC_HVC32 || esr_ec == ESR_ELx_EC_HVC64 ||
-		    esr_ec == ESR_ELx_EC_SMC32 || esr_ec == ESR_ELx_EC_SMC64) {
-			u32 adj =  kvm_vcpu_trap_il_is32bit(vcpu) ? 4 : 2;
-			*vcpu_pc(vcpu) -= adj;
-		}
-
 		return 1;
 	}
 
@@ -292,6 +283,13 @@
 /* For exit types that need handling before we can be preempted */
 void handle_exit_early(struct kvm_vcpu *vcpu, int exception_index)
 {
+	/*
+	 * We just exited, so the state is clean from a hypervisor
+	 * perspective.
+	 */
+	if (is_protected_kvm_enabled())
+		vcpu->arch.flags &= ~KVM_ARM64_PKVM_STATE_DIRTY;
+
 	if (ARM_SERROR_PENDING(exception_index)) {
 		if (this_cpu_has_cap(ARM64_HAS_RAS_EXTN)) {
 			u64 disr = kvm_vcpu_get_disr(vcpu);
@@ -309,3 +307,54 @@
 	if (exception_index == ARM_EXCEPTION_EL1_SERROR)
 		kvm_handle_guest_serror(vcpu, kvm_vcpu_get_esr(vcpu));
 }
+
+void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr,
+					      u64 elr_virt, u64 elr_phys,
+					      u64 par, uintptr_t vcpu,
+					      u64 far, u64 hpfar) {
+	u64 elr_in_kimg = __phys_to_kimg(elr_phys);
+	u64 hyp_offset = elr_in_kimg - kaslr_offset() - elr_virt;
+	u64 mode = spsr & PSR_MODE_MASK;
+
+	/*
+	 * The nVHE hyp symbols are not included by kallsyms to avoid issues
+	 * with aliasing. That means that the symbols cannot be printed with the
+	 * "%pS" format specifier, so fall back to the vmlinux address if
+	 * there's no better option.
+	 */
+	if (mode != PSR_MODE_EL2t && mode != PSR_MODE_EL2h) {
+		kvm_err("Invalid host exception to nVHE hyp!\n");
+	} else if (ESR_ELx_EC(esr) == ESR_ELx_EC_BRK64 &&
+		   (esr & ESR_ELx_BRK64_ISS_COMMENT_MASK) == BUG_BRK_IMM) {
+		const char *file = NULL;
+		unsigned int line = 0;
+
+		/* All hyp bugs, including warnings, are treated as fatal. */
+		if (!is_protected_kvm_enabled() ||
+		    IS_ENABLED(CONFIG_NVHE_EL2_DEBUG)) {
+			struct bug_entry *bug = find_bug(elr_in_kimg);
+
+			if (bug)
+				bug_get_file_line(bug, &file, &line);
+		}
+
+		if (file)
+			kvm_err("nVHE hyp BUG at: %s:%u!\n", file, line);
+		else
+			kvm_err("nVHE hyp BUG at: %016llx!\n", elr_virt + hyp_offset);
+	} else {
+		kvm_err("nVHE hyp panic at: %016llx!\n", elr_virt + hyp_offset);
+	}
+
+	/*
+	 * Hyp has panicked and we're going to handle that by panicking the
+	 * kernel. The kernel offset will be revealed in the panic so we're
+	 * also safe to reveal the hyp offset as a debugging aid for translating
+	 * hyp VAs to vmlinux addresses.
+	 */
+	kvm_err("Hyp Offset: 0x%llx\n", hyp_offset);
+
+	panic("HYP panic:\nPS:%08llx PC:%016llx ESR:%08llx\nFAR:%016llx HPFAR:%016llx PAR:%016llx\nVCPU:%016lx\n",
+	      spsr, elr_virt, esr, far, hpfar, par, vcpu);
+}
+EXPORT_SYMBOL_GPL(nvhe_hyp_panic_handler);
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index 4a81edd..687598e 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -10,4 +10,4 @@
 		    -DDISABLE_BRANCH_PROFILING		\
 		    $(DISABLE_STACKLEAK_PLUGIN)
 
-obj-$(CONFIG_KVM) += vhe/ nvhe/ pgtable.o smccc_wa.o
+obj-$(CONFIG_KVM) += vhe/ nvhe/ pgtable.o
diff --git a/arch/arm64/kvm/hyp/aarch32.c b/arch/arm64/kvm/hyp/aarch32.c
index ae56d8a..f98cbe2 100644
--- a/arch/arm64/kvm/hyp/aarch32.c
+++ b/arch/arm64/kvm/hyp/aarch32.c
@@ -123,13 +123,13 @@
  * kvm_skip_instr - skip a trapped instruction and proceed to the next
  * @vcpu: The vcpu pointer
  */
-void kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr)
+void kvm_skip_instr32(struct kvm_vcpu *vcpu)
 {
 	u32 pc = *vcpu_pc(vcpu);
 	bool is_thumb;
 
 	is_thumb = !!(*vcpu_cpsr(vcpu) & PSR_AA32_T_BIT);
-	if (is_thumb && !is_wide_instr)
+	if (is_thumb && !kvm_vcpu_trap_il_is32bit(vcpu))
 		pc += 2;
 	else
 		pc += 4;
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S
index 0c66a1d..435346e 100644
--- a/arch/arm64/kvm/hyp/entry.S
+++ b/arch/arm64/kvm/hyp/entry.S
@@ -13,6 +13,7 @@
 #include <asm/kvm_arm.h>
 #include <asm/kvm_asm.h>
 #include <asm/kvm_mmu.h>
+#include <asm/kvm_mte.h>
 #include <asm/kvm_ptrauth.h>
 
 	.text
@@ -51,6 +52,9 @@
 
 	add	x29, x0, #VCPU_CONTEXT
 
+	// mte_switch_to_guest(g_ctxt, h_ctxt, tmp1)
+	mte_switch_to_guest x29, x1, x2
+
 	// Macro ptrauth_switch_to_guest format:
 	// 	ptrauth_switch_to_guest(guest cxt, tmp1, tmp2, tmp3)
 	// The below macro to restore guest keys is not implemented in C code
@@ -85,8 +89,10 @@
 
 	// If the hyp context is loaded, go straight to hyp_panic
 	get_loaded_vcpu x0, x1
-	cbz	x0, hyp_panic
+	cbnz	x0, 1f
+	b	hyp_panic
 
+1:
 	// The hyp context is saved so make sure it is restored to allow
 	// hyp_panic to run at hyp and, subsequently, panic to run in the host.
 	// This makes use of __guest_exit to avoid duplication but sets the
@@ -94,7 +100,7 @@
 	// current state is saved to the guest context but it will only be
 	// accurate if the guest had been completely restored.
 	adr_this_cpu x0, kvm_hyp_ctxt, x1
-	adr	x1, hyp_panic
+	adr_l	x1, hyp_panic
 	str	x1, [x0, #CPU_XREG_OFFSET(30)]
 
 	get_vcpu_ptr	x1, x0
@@ -140,6 +146,9 @@
 	// when this feature is enabled for kernel code.
 	ptrauth_switch_to_hyp x1, x2, x3, x4, x5
 
+	// mte_switch_to_hyp(g_ctxt, h_ctxt, reg1)
+	mte_switch_to_hyp x1, x2, x3
+
 	// Restore hyp's sp_el0
 	restore_sp_el0 x2, x3
 
diff --git a/arch/arm64/kvm/hyp/exception.c b/arch/arm64/kvm/hyp/exception.c
new file mode 100644
index 0000000..ceb6808
--- /dev/null
+++ b/arch/arm64/kvm/hyp/exception.c
@@ -0,0 +1,368 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Fault injection for both 32 and 64bit guests.
+ *
+ * Copyright (C) 2012,2013 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ *
+ * Based on arch/arm/kvm/emulate.c
+ * Copyright (C) 2012 - Virtual Open Systems and Columbia University
+ * Author: Christoffer Dall <c.dall@virtualopensystems.com>
+ */
+
+#include <hyp/adjust_pc.h>
+#include <linux/kvm_host.h>
+#include <asm/kvm_emulate.h>
+#include <asm/kvm_mmu.h>
+
+#if !defined (__KVM_NVHE_HYPERVISOR__) && !defined (__KVM_VHE_HYPERVISOR__)
+#error Hypervisor code only!
+#endif
+
+static inline u64 __vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg)
+{
+	u64 val;
+
+	if (__vcpu_read_sys_reg_from_cpu(reg, &val))
+		return val;
+
+	return __vcpu_sys_reg(vcpu, reg);
+}
+
+static inline void __vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg)
+{
+	if (__vcpu_write_sys_reg_to_cpu(val, reg))
+		return;
+
+	 __vcpu_sys_reg(vcpu, reg) = val;
+}
+
+static void __vcpu_write_spsr(struct kvm_vcpu *vcpu, u64 val)
+{
+	if (has_vhe())
+		write_sysreg_el1(val, SYS_SPSR);
+	else
+		__vcpu_sys_reg(vcpu, SPSR_EL1) = val;
+}
+
+static void __vcpu_write_spsr_abt(struct kvm_vcpu *vcpu, u64 val)
+{
+	if (has_vhe())
+		write_sysreg(val, spsr_abt);
+	else
+		vcpu->arch.ctxt.spsr_abt = val;
+}
+
+static void __vcpu_write_spsr_und(struct kvm_vcpu *vcpu, u64 val)
+{
+	if (has_vhe())
+		write_sysreg(val, spsr_und);
+	else
+		vcpu->arch.ctxt.spsr_und = val;
+}
+
+unsigned long get_except64_offset(unsigned long psr, unsigned long target_mode,
+				  enum exception_type type)
+{
+	u64 mode = psr & (PSR_MODE_MASK | PSR_MODE32_BIT);
+	u64 exc_offset;
+
+	if      (mode == target_mode)
+		exc_offset = CURRENT_EL_SP_ELx_VECTOR;
+	else if ((mode | PSR_MODE_THREAD_BIT) == target_mode)
+		exc_offset = CURRENT_EL_SP_EL0_VECTOR;
+	else if (!(mode & PSR_MODE32_BIT))
+		exc_offset = LOWER_EL_AArch64_VECTOR;
+	else
+		exc_offset = LOWER_EL_AArch32_VECTOR;
+
+	return exc_offset + type;
+}
+
+/*
+ * When an exception is taken, most PSTATE fields are left unchanged in the
+ * handler. However, some are explicitly overridden (e.g. M[4:0]). Luckily all
+ * of the inherited bits have the same position in the AArch64/AArch32 SPSR_ELx
+ * layouts, so we don't need to shuffle these for exceptions from AArch32 EL0.
+ *
+ * For the SPSR_ELx layout for AArch64, see ARM DDI 0487E.a page C5-429.
+ * For the SPSR_ELx layout for AArch32, see ARM DDI 0487E.a page C5-426.
+ *
+ * Here we manipulate the fields in order of the AArch64 SPSR_ELx layout, from
+ * MSB to LSB.
+ */
+unsigned long get_except64_cpsr(unsigned long old, bool has_mte,
+				unsigned long sctlr, unsigned long target_mode)
+{
+	u64 new = 0;
+
+	new |= (old & PSR_N_BIT);
+	new |= (old & PSR_Z_BIT);
+	new |= (old & PSR_C_BIT);
+	new |= (old & PSR_V_BIT);
+
+	if (has_mte)
+		new |= PSR_TCO_BIT;
+
+	new |= (old & PSR_DIT_BIT);
+
+	// PSTATE.UAO is set to zero upon any exception to AArch64
+	// See ARM DDI 0487E.a, page D5-2579.
+
+	// PSTATE.PAN is unchanged unless SCTLR_ELx.SPAN == 0b0
+	// SCTLR_ELx.SPAN is RES1 when ARMv8.1-PAN is not implemented
+	// See ARM DDI 0487E.a, page D5-2578.
+	new |= (old & PSR_PAN_BIT);
+	if (!(sctlr & SCTLR_EL1_SPAN))
+		new |= PSR_PAN_BIT;
+
+	// PSTATE.SS is set to zero upon any exception to AArch64
+	// See ARM DDI 0487E.a, page D2-2452.
+
+	// PSTATE.IL is set to zero upon any exception to AArch64
+	// See ARM DDI 0487E.a, page D1-2306.
+
+	// PSTATE.SSBS is set to SCTLR_ELx.DSSBS upon any exception to AArch64
+	// See ARM DDI 0487E.a, page D13-3258
+	if (sctlr & SCTLR_ELx_DSSBS)
+		new |= PSR_SSBS_BIT;
+
+	// PSTATE.BTYPE is set to zero upon any exception to AArch64
+	// See ARM DDI 0487E.a, pages D1-2293 to D1-2294.
+
+	new |= PSR_D_BIT;
+	new |= PSR_A_BIT;
+	new |= PSR_I_BIT;
+	new |= PSR_F_BIT;
+
+	new |= target_mode;
+
+	return new;
+}
+
+/*
+ * This performs the exception entry at a given EL (@target_mode), stashing PC
+ * and PSTATE into ELR and SPSR respectively, and compute the new PC/PSTATE.
+ * The EL passed to this function *must* be a non-secure, privileged mode with
+ * bit 0 being set (PSTATE.SP == 1).
+ */
+static void enter_exception64(struct kvm_vcpu *vcpu, unsigned long target_mode,
+			      enum exception_type type)
+{
+	u64 offset = get_except64_offset(*vcpu_cpsr(vcpu), target_mode, type);
+	unsigned long sctlr, vbar, old, new;
+
+	switch (target_mode) {
+	case PSR_MODE_EL1h:
+		vbar = __vcpu_read_sys_reg(vcpu, VBAR_EL1);
+		sctlr = __vcpu_read_sys_reg(vcpu, SCTLR_EL1);
+		__vcpu_write_sys_reg(vcpu, *vcpu_pc(vcpu), ELR_EL1);
+		break;
+	default:
+		/* Don't do that */
+		BUG();
+	}
+
+	*vcpu_pc(vcpu) = vbar + offset;
+
+	old = *vcpu_cpsr(vcpu);
+	new = get_except64_cpsr(old, kvm_has_mte(kern_hyp_va(vcpu->kvm)), sctlr,
+				target_mode);
+	*vcpu_cpsr(vcpu) = new;
+	__vcpu_write_spsr(vcpu, old);
+}
+
+/*
+ * When an exception is taken, most CPSR fields are left unchanged in the
+ * handler. However, some are explicitly overridden (e.g. M[4:0]).
+ *
+ * The SPSR/SPSR_ELx layouts differ, and the below is intended to work with
+ * either format. Note: SPSR.J bit doesn't exist in SPSR_ELx, but this bit was
+ * obsoleted by the ARMv7 virtualization extensions and is RES0.
+ *
+ * For the SPSR layout seen from AArch32, see:
+ * - ARM DDI 0406C.d, page B1-1148
+ * - ARM DDI 0487E.a, page G8-6264
+ *
+ * For the SPSR_ELx layout for AArch32 seen from AArch64, see:
+ * - ARM DDI 0487E.a, page C5-426
+ *
+ * Here we manipulate the fields in order of the AArch32 SPSR_ELx layout, from
+ * MSB to LSB.
+ */
+static unsigned long get_except32_cpsr(struct kvm_vcpu *vcpu, u32 mode)
+{
+	u32 sctlr = __vcpu_read_sys_reg(vcpu, SCTLR_EL1);
+	unsigned long old, new;
+
+	old = *vcpu_cpsr(vcpu);
+	new = 0;
+
+	new |= (old & PSR_AA32_N_BIT);
+	new |= (old & PSR_AA32_Z_BIT);
+	new |= (old & PSR_AA32_C_BIT);
+	new |= (old & PSR_AA32_V_BIT);
+	new |= (old & PSR_AA32_Q_BIT);
+
+	// CPSR.IT[7:0] are set to zero upon any exception
+	// See ARM DDI 0487E.a, section G1.12.3
+	// See ARM DDI 0406C.d, section B1.8.3
+
+	new |= (old & PSR_AA32_DIT_BIT);
+
+	// CPSR.SSBS is set to SCTLR.DSSBS upon any exception
+	// See ARM DDI 0487E.a, page G8-6244
+	if (sctlr & BIT(31))
+		new |= PSR_AA32_SSBS_BIT;
+
+	// CPSR.PAN is unchanged unless SCTLR.SPAN == 0b0
+	// SCTLR.SPAN is RES1 when ARMv8.1-PAN is not implemented
+	// See ARM DDI 0487E.a, page G8-6246
+	new |= (old & PSR_AA32_PAN_BIT);
+	if (!(sctlr & BIT(23)))
+		new |= PSR_AA32_PAN_BIT;
+
+	// SS does not exist in AArch32, so ignore
+
+	// CPSR.IL is set to zero upon any exception
+	// See ARM DDI 0487E.a, page G1-5527
+
+	new |= (old & PSR_AA32_GE_MASK);
+
+	// CPSR.IT[7:0] are set to zero upon any exception
+	// See prior comment above
+
+	// CPSR.E is set to SCTLR.EE upon any exception
+	// See ARM DDI 0487E.a, page G8-6245
+	// See ARM DDI 0406C.d, page B4-1701
+	if (sctlr & BIT(25))
+		new |= PSR_AA32_E_BIT;
+
+	// CPSR.A is unchanged upon an exception to Undefined, Supervisor
+	// CPSR.A is set upon an exception to other modes
+	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516
+	// See ARM DDI 0406C.d, page B1-1182
+	new |= (old & PSR_AA32_A_BIT);
+	if (mode != PSR_AA32_MODE_UND && mode != PSR_AA32_MODE_SVC)
+		new |= PSR_AA32_A_BIT;
+
+	// CPSR.I is set upon any exception
+	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516
+	// See ARM DDI 0406C.d, page B1-1182
+	new |= PSR_AA32_I_BIT;
+
+	// CPSR.F is set upon an exception to FIQ
+	// CPSR.F is unchanged upon an exception to other modes
+	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516
+	// See ARM DDI 0406C.d, page B1-1182
+	new |= (old & PSR_AA32_F_BIT);
+	if (mode == PSR_AA32_MODE_FIQ)
+		new |= PSR_AA32_F_BIT;
+
+	// CPSR.T is set to SCTLR.TE upon any exception
+	// See ARM DDI 0487E.a, page G8-5514
+	// See ARM DDI 0406C.d, page B1-1181
+	if (sctlr & BIT(30))
+		new |= PSR_AA32_T_BIT;
+
+	new |= mode;
+
+	return new;
+}
+
+/*
+ * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
+ */
+static const u8 return_offsets[8][2] = {
+	[0] = { 0, 0 },		/* Reset, unused */
+	[1] = { 4, 2 },		/* Undefined */
+	[2] = { 0, 0 },		/* SVC, unused */
+	[3] = { 4, 4 },		/* Prefetch abort */
+	[4] = { 8, 8 },		/* Data abort */
+	[5] = { 0, 0 },		/* HVC, unused */
+	[6] = { 4, 4 },		/* IRQ, unused */
+	[7] = { 4, 4 },		/* FIQ, unused */
+};
+
+static void enter_exception32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
+{
+	unsigned long spsr = *vcpu_cpsr(vcpu);
+	bool is_thumb = (spsr & PSR_AA32_T_BIT);
+	u32 sctlr = __vcpu_read_sys_reg(vcpu, SCTLR_EL1);
+	u32 return_address;
+
+	*vcpu_cpsr(vcpu) = get_except32_cpsr(vcpu, mode);
+	return_address   = *vcpu_pc(vcpu);
+	return_address  += return_offsets[vect_offset >> 2][is_thumb];
+
+	/* KVM only enters the ABT and UND modes, so only deal with those */
+	switch(mode) {
+	case PSR_AA32_MODE_ABT:
+		__vcpu_write_spsr_abt(vcpu, host_spsr_to_spsr32(spsr));
+		vcpu_gp_regs(vcpu)->compat_lr_abt = return_address;
+		break;
+
+	case PSR_AA32_MODE_UND:
+		__vcpu_write_spsr_und(vcpu, host_spsr_to_spsr32(spsr));
+		vcpu_gp_regs(vcpu)->compat_lr_und = return_address;
+		break;
+	}
+
+	/* Branch to exception vector */
+	if (sctlr & (1 << 13))
+		vect_offset += 0xffff0000;
+	else /* always have security exceptions */
+		vect_offset += __vcpu_read_sys_reg(vcpu, VBAR_EL1);
+
+	*vcpu_pc(vcpu) = vect_offset;
+}
+
+static void kvm_inject_exception(struct kvm_vcpu *vcpu)
+{
+	if (vcpu_el1_is_32bit(vcpu)) {
+		switch (vcpu->arch.flags & KVM_ARM64_EXCEPT_MASK) {
+		case KVM_ARM64_EXCEPT_AA32_UND:
+			enter_exception32(vcpu, PSR_AA32_MODE_UND, 4);
+			break;
+		case KVM_ARM64_EXCEPT_AA32_IABT:
+			enter_exception32(vcpu, PSR_AA32_MODE_ABT, 12);
+			break;
+		case KVM_ARM64_EXCEPT_AA32_DABT:
+			enter_exception32(vcpu, PSR_AA32_MODE_ABT, 16);
+			break;
+		default:
+			/* Err... */
+			break;
+		}
+	} else {
+		switch (vcpu->arch.flags & KVM_ARM64_EXCEPT_MASK) {
+		case (KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+		      KVM_ARM64_EXCEPT_AA64_EL1):
+			enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
+			break;
+		default:
+			/*
+			 * Only EL1_SYNC makes sense so far, EL2_{SYNC,IRQ}
+			 * will be implemented at some point. Everything
+			 * else gets silently ignored.
+			 */
+			break;
+		}
+	}
+}
+
+/*
+ * Adjust the guest PC (and potentially exception state) depending on
+ * flags provided by the emulation code.
+ */
+void __kvm_adjust_pc(struct kvm_vcpu *vcpu)
+{
+	if (vcpu->arch.flags & KVM_ARM64_PENDING_EXCEPTION) {
+		kvm_inject_exception(vcpu);
+		vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+				      KVM_ARM64_EXCEPT_MASK);
+	} else 	if (vcpu->arch.flags & KVM_ARM64_INCREMENT_PC) {
+		kvm_skip_instr(vcpu);
+		vcpu->arch.flags &= ~KVM_ARM64_INCREMENT_PC;
+	}
+}
diff --git a/arch/arm64/kvm/hyp/fpsimd.S b/arch/arm64/kvm/hyp/fpsimd.S
index 01f114a..7b789ac 100644
--- a/arch/arm64/kvm/hyp/fpsimd.S
+++ b/arch/arm64/kvm/hyp/fpsimd.S
@@ -19,3 +19,8 @@
 	fpsimd_restore	x0, 1
 	ret
 SYM_FUNC_END(__fpsimd_restore_state)
+
+SYM_FUNC_START(__sve_restore_state)
+	__sve_load 0, x1, 2
+	ret
+SYM_FUNC_END(__sve_restore_state)
diff --git a/arch/arm64/kvm/hyp/hyp-constants.c b/arch/arm64/kvm/hyp/hyp-constants.c
new file mode 100644
index 0000000..ef55191
--- /dev/null
+++ b/arch/arm64/kvm/hyp/hyp-constants.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/kbuild.h>
+#include <nvhe/memory.h>
+#include <nvhe/pkvm.h>
+
+int main(void)
+{
+	DEFINE(STRUCT_HYP_PAGE_SIZE,	sizeof(struct hyp_page));
+	DEFINE(KVM_SHADOW_VM_SIZE,	sizeof(struct kvm_shadow_vm));
+	DEFINE(SHADOW_VCPU_STATE_SIZE,	sizeof(struct shadow_vcpu_state));
+	return 0;
+}
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S
index bc06243..7839d075 100644
--- a/arch/arm64/kvm/hyp/hyp-entry.S
+++ b/arch/arm64/kvm/hyp/hyp-entry.S
@@ -13,6 +13,7 @@
 #include <asm/kvm_arm.h>
 #include <asm/kvm_asm.h>
 #include <asm/mmu.h>
+#include <asm/spectre.h>
 
 .macro save_caller_saved_regs_vect
 	/* x0 and x1 were saved in the vector entry */
@@ -79,6 +80,7 @@
 	b	__guest_exit
 
 el1_irq:
+el1_fiq:
 	get_vcpu_ptr	x1, x0
 	mov	x0, #ARM_EXCEPTION_IRQ
 	b	__guest_exit
@@ -122,7 +124,7 @@
 
 .macro invalid_vector	label, target = __guest_exit_panic
 	.align	2
-SYM_CODE_START(\label)
+SYM_CODE_START_LOCAL(\label)
 	b \target
 SYM_CODE_END(\label)
 .endm
@@ -134,7 +136,6 @@
 	invalid_vector	el2t_error_invalid
 	invalid_vector	el2h_irq_invalid
 	invalid_vector	el2h_fiq_invalid
-	invalid_vector	el1_fiq_invalid
 
 	.ltorg
 
@@ -182,61 +183,74 @@
 
 	valid_vect	el1_sync		// Synchronous 64-bit EL1
 	valid_vect	el1_irq			// IRQ 64-bit EL1
-	invalid_vect	el1_fiq_invalid		// FIQ 64-bit EL1
+	valid_vect	el1_fiq			// FIQ 64-bit EL1
 	valid_vect	el1_error		// Error 64-bit EL1
 
 	valid_vect	el1_sync		// Synchronous 32-bit EL1
 	valid_vect	el1_irq			// IRQ 32-bit EL1
-	invalid_vect	el1_fiq_invalid		// FIQ 32-bit EL1
+	valid_vect	el1_fiq			// FIQ 32-bit EL1
 	valid_vect	el1_error		// Error 32-bit EL1
 SYM_CODE_END(__kvm_hyp_vector)
 
-.macro hyp_ventry
-	.align 7
-1:	esb
-	.rept 26
-	nop
-	.endr
-/*
- * The default sequence is to directly branch to the KVM vectors,
- * using the computed offset. This applies for VHE as well as
- * !ARM64_HARDEN_EL2_VECTORS. The first vector must always run the preamble.
- *
- * For ARM64_HARDEN_EL2_VECTORS configurations, this gets replaced
- * with:
- *
- * stp	x0, x1, [sp, #-16]!
- * movz	x0, #(addr & 0xffff)
- * movk	x0, #((addr >> 16) & 0xffff), lsl #16
- * movk	x0, #((addr >> 32) & 0xffff), lsl #32
- * br	x0
- *
- * Where:
- * addr = kern_hyp_va(__kvm_hyp_vector) + vector-offset + KVM_VECTOR_PREAMBLE.
- * See kvm_patch_vector_branch for details.
- */
-alternative_cb	kvm_patch_vector_branch
-	stp	x0, x1, [sp, #-16]!
-	b	__kvm_hyp_vector + (1b - 0b + KVM_VECTOR_PREAMBLE)
-	nop
-	nop
-	nop
-alternative_cb_end
+.macro spectrev2_smccc_wa1_smc
+	sub	sp, sp, #(8 * 4)
+	stp	x2, x3, [sp, #(8 * 0)]
+	stp	x0, x1, [sp, #(8 * 2)]
+	alternative_cb spectre_bhb_patch_wa3
+	/* Patched to mov WA3 when supported */
+	mov	w0, #ARM_SMCCC_ARCH_WORKAROUND_1
+	alternative_cb_end
+	smc	#0
+	ldp	x2, x3, [sp, #(8 * 0)]
+	add	sp, sp, #(8 * 2)
 .endm
 
-.macro generate_vectors
+.macro hyp_ventry	indirect, spectrev2
+	.align	7
+1:	esb
+	.if \spectrev2 != 0
+	spectrev2_smccc_wa1_smc
+	.else
+	stp	x0, x1, [sp, #-16]!
+	mitigate_spectre_bhb_loop	x0
+	mitigate_spectre_bhb_clear_insn
+	.endif
+	.if \indirect != 0
+	alternative_cb  kvm_patch_vector_branch
+	/*
+	 * For ARM64_SPECTRE_V3A configurations, these NOPs get replaced with:
+	 *
+	 * movz	x0, #(addr & 0xffff)
+	 * movk	x0, #((addr >> 16) & 0xffff), lsl #16
+	 * movk	x0, #((addr >> 32) & 0xffff), lsl #32
+	 * br	x0
+	 *
+	 * Where:
+	 * addr = kern_hyp_va(__kvm_hyp_vector) + vector-offset + KVM_VECTOR_PREAMBLE.
+	 * See kvm_patch_vector_branch for details.
+	 */
+	nop
+	nop
+	nop
+	nop
+	alternative_cb_end
+	.endif
+	b	__kvm_hyp_vector + (1b - 0b + KVM_VECTOR_PREAMBLE)
+.endm
+
+.macro generate_vectors	indirect, spectrev2
 0:
 	.rept 16
-	hyp_ventry
+	hyp_ventry	\indirect, \spectrev2
 	.endr
 	.org 0b + SZ_2K		// Safety measure
 .endm
 
 	.align	11
 SYM_CODE_START(__bp_harden_hyp_vecs)
-	.rept BP_HARDEN_EL2_SLOTS
-	generate_vectors
-	.endr
+	generate_vectors indirect = 0, spectrev2 = 1 // HYP_VECTOR_SPECTRE_DIRECT
+	generate_vectors indirect = 1, spectrev2 = 0 // HYP_VECTOR_INDIRECT
+	generate_vectors indirect = 1, spectrev2 = 1 // HYP_VECTOR_SPECTRE_INDIRECT
 1:	.org __bp_harden_hyp_vecs + __BP_HARDEN_HYP_VECS_SZ
 	.org 1b
 SYM_CODE_END(__bp_harden_hyp_vecs)
diff --git a/arch/arm64/kvm/hyp/include/hyp/adjust_pc.h b/arch/arm64/kvm/hyp/include/hyp/adjust_pc.h
new file mode 100644
index 0000000..4fdfeab
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/hyp/adjust_pc.h
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Guest PC manipulation helpers
+ *
+ * Copyright (C) 2012,2013 - ARM Ltd
+ * Copyright (C) 2020 - Google LLC
+ * Author: Marc Zyngier <maz@kernel.org>
+ */
+
+#ifndef __ARM64_KVM_HYP_ADJUST_PC_H__
+#define __ARM64_KVM_HYP_ADJUST_PC_H__
+
+#include <asm/kvm_emulate.h>
+#include <asm/kvm_host.h>
+
+static inline void kvm_skip_instr(struct kvm_vcpu *vcpu)
+{
+	if (vcpu_mode_is_32bit(vcpu)) {
+		kvm_skip_instr32(vcpu);
+	} else {
+		*vcpu_pc(vcpu) += 4;
+		*vcpu_cpsr(vcpu) &= ~PSR_BTYPE_MASK;
+	}
+
+	/* advance the singlestep state machine */
+	*vcpu_cpsr(vcpu) &= ~DBG_SPSR_SS;
+}
+
+/*
+ * Skip an instruction which has been emulated at hyp while most guest sysregs
+ * are live.
+ */
+static inline void __kvm_skip_instr(struct kvm_vcpu *vcpu)
+{
+	*vcpu_pc(vcpu) = read_sysreg_el2(SYS_ELR);
+	vcpu_gp_regs(vcpu)->pstate = read_sysreg_el2(SYS_SPSR);
+
+	kvm_skip_instr(vcpu);
+
+	write_sysreg_el2(vcpu_gp_regs(vcpu)->pstate, SYS_SPSR);
+	write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
+}
+
+/*
+ * Skip an instruction while host sysregs are live.
+ * Assumes host is always 64-bit.
+ */
+static inline void kvm_skip_host_instr(void)
+{
+	write_sysreg_el2(read_sysreg_el2(SYS_ELR) + 4, SYS_ELR);
+}
+
+#endif
diff --git a/arch/arm64/kvm/hyp/include/hyp/fault.h b/arch/arm64/kvm/hyp/include/hyp/fault.h
new file mode 100644
index 0000000..1b8a2dc
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/hyp/fault.h
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ */
+
+#ifndef __ARM64_KVM_HYP_FAULT_H__
+#define __ARM64_KVM_HYP_FAULT_H__
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_emulate.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+
+static inline bool __translate_far_to_hpfar(u64 far, u64 *hpfar)
+{
+	u64 par, tmp;
+
+	/*
+	 * Resolve the IPA the hard way using the guest VA.
+	 *
+	 * Stage-1 translation already validated the memory access
+	 * rights. As such, we can use the EL1 translation regime, and
+	 * don't have to distinguish between EL0 and EL1 access.
+	 *
+	 * We do need to save/restore PAR_EL1 though, as we haven't
+	 * saved the guest context yet, and we may return early...
+	 */
+	par = read_sysreg_par();
+	if (!__kvm_at("s1e1r", far))
+		tmp = read_sysreg_par();
+	else
+		tmp = SYS_PAR_EL1_F; /* back to the guest */
+	write_sysreg(par, par_el1);
+
+	if (unlikely(tmp & SYS_PAR_EL1_F))
+		return false; /* Translation failed, back to guest */
+
+	/* Convert PAR to HPFAR format */
+	*hpfar = PAR_TO_HPFAR(tmp);
+	return true;
+}
+
+static inline bool __get_fault_info(u64 esr, struct kvm_vcpu_fault_info *fault)
+{
+	u64 hpfar, far;
+
+	far = read_sysreg_el2(SYS_FAR);
+
+	/*
+	 * The HPFAR can be invalid if the stage 2 fault did not
+	 * happen during a stage 1 page table walk (the ESR_EL2.S1PTW
+	 * bit is clear) and one of the two following cases are true:
+	 *   1. The fault was due to a permission fault
+	 *   2. The processor carries errata 834220
+	 *
+	 * Therefore, for all non S1PTW faults where we either have a
+	 * permission fault or the errata workaround is enabled, we
+	 * resolve the IPA using the AT instruction.
+	 */
+	if (!(esr & ESR_ELx_S1PTW) &&
+	    (cpus_have_final_cap(ARM64_WORKAROUND_834220) ||
+	     (esr & ESR_ELx_FSC_TYPE) == FSC_PERM)) {
+		if (!__translate_far_to_hpfar(far, &hpfar))
+			return false;
+	} else {
+		hpfar = read_sysreg(hpfar_el2);
+	}
+
+	fault->far_el2 = far;
+	fault->hpfar_el2 = hpfar;
+	return true;
+}
+
+#endif
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 8116ae1..d0e1b08 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -7,6 +7,9 @@
 #ifndef __ARM64_KVM_HYP_SWITCH_H__
 #define __ARM64_KVM_HYP_SWITCH_H__
 
+#include <hyp/adjust_pc.h>
+#include <hyp/fault.h>
+
 #include <linux/arm-smccc.h>
 #include <linux/kvm_host.h>
 #include <linux/types.h>
@@ -26,9 +29,6 @@
 #include <asm/fpsimd.h>
 #include <asm/debug-monitors.h>
 #include <asm/processor.h>
-#include <asm/thread_info.h>
-
-extern const char __hyp_panic_string[];
 
 extern struct exception_table_entry __start___kvm_ex_table;
 extern struct exception_table_entry __stop___kvm_ex_table;
@@ -44,7 +44,7 @@
 	 * trap the accesses.
 	 */
 	if (!system_supports_fpsimd() ||
-	    vcpu->arch.host_thread_info->flags & _TIF_FOREIGN_FPSTATE)
+	    vcpu->arch.flags & KVM_ARM64_FP_FOREIGN_FPSTATE)
 		vcpu->arch.flags &= ~(KVM_ARM64_FP_ENABLED |
 				      KVM_ARM64_FP_HOST);
 
@@ -88,15 +88,22 @@
 	 * counter, which could make a PMXEVCNTR_EL0 access UNDEF at
 	 * EL1 instead of being trapped to EL2.
 	 */
-	write_sysreg(0, pmselr_el0);
-	write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0);
+	if (kvm_arm_support_pmu_v3()) {
+		write_sysreg(0, pmselr_el0);
+		write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0);
+	}
+
+	vcpu->arch.mdcr_el2_host = read_sysreg(mdcr_el2);
 	write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2);
 }
 
-static inline void __deactivate_traps_common(void)
+static inline void __deactivate_traps_common(struct kvm_vcpu *vcpu)
 {
+	write_sysreg(vcpu->arch.mdcr_el2_host, mdcr_el2);
+
 	write_sysreg(0, hstr_el2);
-	write_sysreg(0, pmuserenr_el0);
+	if (kvm_arm_support_pmu_v3())
+		write_sysreg(0, pmuserenr_el0);
 }
 
 static inline void ___activate_traps(struct kvm_vcpu *vcpu)
@@ -126,151 +133,66 @@
 	}
 }
 
-static inline bool __translate_far_to_hpfar(u64 far, u64 *hpfar)
-{
-	u64 par, tmp;
-
-	/*
-	 * Resolve the IPA the hard way using the guest VA.
-	 *
-	 * Stage-1 translation already validated the memory access
-	 * rights. As such, we can use the EL1 translation regime, and
-	 * don't have to distinguish between EL0 and EL1 access.
-	 *
-	 * We do need to save/restore PAR_EL1 though, as we haven't
-	 * saved the guest context yet, and we may return early...
-	 */
-	par = read_sysreg_par();
-	if (!__kvm_at("s1e1r", far))
-		tmp = read_sysreg_par();
-	else
-		tmp = SYS_PAR_EL1_F; /* back to the guest */
-	write_sysreg(par, par_el1);
-
-	if (unlikely(tmp & SYS_PAR_EL1_F))
-		return false; /* Translation failed, back to guest */
-
-	/* Convert PAR to HPFAR format */
-	*hpfar = PAR_TO_HPFAR(tmp);
-	return true;
-}
-
 static inline bool __populate_fault_info(struct kvm_vcpu *vcpu)
 {
-	u8 ec;
-	u64 esr;
-	u64 hpfar, far;
-
-	esr = vcpu->arch.fault.esr_el2;
-	ec = ESR_ELx_EC(esr);
-
-	if (ec != ESR_ELx_EC_DABT_LOW && ec != ESR_ELx_EC_IABT_LOW)
-		return true;
-
-	far = read_sysreg_el2(SYS_FAR);
-
-	/*
-	 * The HPFAR can be invalid if the stage 2 fault did not
-	 * happen during a stage 1 page table walk (the ESR_EL2.S1PTW
-	 * bit is clear) and one of the two following cases are true:
-	 *   1. The fault was due to a permission fault
-	 *   2. The processor carries errata 834220
-	 *
-	 * Therefore, for all non S1PTW faults where we either have a
-	 * permission fault or the errata workaround is enabled, we
-	 * resolve the IPA using the AT instruction.
-	 */
-	if (!(esr & ESR_ELx_S1PTW) &&
-	    (cpus_have_final_cap(ARM64_WORKAROUND_834220) ||
-	     (esr & ESR_ELx_FSC_TYPE) == FSC_PERM)) {
-		if (!__translate_far_to_hpfar(far, &hpfar))
-			return false;
-	} else {
-		hpfar = read_sysreg(hpfar_el2);
-	}
-
-	vcpu->arch.fault.far_el2 = far;
-	vcpu->arch.fault.hpfar_el2 = hpfar;
-	return true;
+	return __get_fault_info(vcpu->arch.fault.esr_el2, &vcpu->arch.fault);
 }
 
-/* Check for an FPSIMD/SVE trap and handle as appropriate */
-static inline bool __hyp_handle_fpsimd(struct kvm_vcpu *vcpu)
+static inline void __hyp_sve_restore_guest(struct kvm_vcpu *vcpu)
 {
-	bool vhe, sve_guest, sve_host;
+	sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, SYS_ZCR_EL2);
+	__sve_restore_state(vcpu_sve_pffr(vcpu),
+			    &vcpu->arch.ctxt.fp_regs.fpsr);
+	write_sysreg_el1(__vcpu_sys_reg(vcpu, ZCR_EL1), SYS_ZCR);
+}
+
+/*
+ * We trap the first access to the FP/SIMD to save the host context and
+ * restore the guest context lazily.
+ * If FP/SIMD is not implemented, handle the trap and inject an undefined
+ * instruction exception to the guest. Similarly for trapped SVE accesses.
+ */
+static bool kvm_hyp_handle_fpsimd(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	bool sve_guest;
 	u8 esr_ec;
+	u64 reg;
 
 	if (!system_supports_fpsimd())
 		return false;
 
-	/*
-	 * Currently system_supports_sve() currently implies has_vhe(),
-	 * so the check is redundant. However, has_vhe() can be determined
-	 * statically and helps the compiler remove dead code.
-	 */
-	if (has_vhe() && system_supports_sve()) {
-		sve_guest = vcpu_has_sve(vcpu);
-		sve_host = vcpu->arch.flags & KVM_ARM64_HOST_SVE_IN_USE;
-		vhe = true;
-	} else {
-		sve_guest = false;
-		sve_host = false;
-		vhe = has_vhe();
-	}
-
+	sve_guest = vcpu_has_sve(vcpu);
 	esr_ec = kvm_vcpu_trap_get_class(vcpu);
-	if (esr_ec != ESR_ELx_EC_FP_ASIMD &&
-	    esr_ec != ESR_ELx_EC_SVE)
-		return false;
 
 	/* Don't handle SVE traps for non-SVE vcpus here: */
-	if (!sve_guest)
-		if (esr_ec != ESR_ELx_EC_FP_ASIMD)
-			return false;
+	if (!sve_guest && esr_ec != ESR_ELx_EC_FP_ASIMD)
+		return false;
 
 	/* Valid trap.  Switch the context: */
-
-	if (vhe) {
-		u64 reg = read_sysreg(cpacr_el1) | CPACR_EL1_FPEN;
-
+	if (has_vhe()) {
+		reg = CPACR_EL1_FPEN;
 		if (sve_guest)
 			reg |= CPACR_EL1_ZEN;
 
-		write_sysreg(reg, cpacr_el1);
+		sysreg_clear_set(cpacr_el1, 0, reg);
 	} else {
-		write_sysreg(read_sysreg(cptr_el2) & ~(u64)CPTR_EL2_TFP,
-			     cptr_el2);
-	}
+		reg = CPTR_EL2_TFP;
+		if (sve_guest)
+			reg |= CPTR_EL2_TZ;
 
+		sysreg_clear_set(cptr_el2, reg, 0);
+	}
 	isb();
 
 	if (vcpu->arch.flags & KVM_ARM64_FP_HOST) {
-		/*
-		 * In the SVE case, VHE is assumed: it is enforced by
-		 * Kconfig and kvm_arch_init().
-		 */
-		if (sve_host) {
-			struct thread_struct *thread = container_of(
-				vcpu->arch.host_fpsimd_state,
-				struct thread_struct, uw.fpsimd_state);
-
-			sve_save_state(sve_pffr(thread),
-				       &vcpu->arch.host_fpsimd_state->fpsr);
-		} else {
-			__fpsimd_save_state(vcpu->arch.host_fpsimd_state);
-		}
-
+		__fpsimd_save_state(vcpu->arch.host_fpsimd_state);
 		vcpu->arch.flags &= ~KVM_ARM64_FP_HOST;
 	}
 
-	if (sve_guest) {
-		sve_load_state(vcpu_sve_pffr(vcpu),
-			       &vcpu->arch.ctxt.fp_regs.fpsr,
-			       sve_vq_from_vl(vcpu->arch.sve_max_vl) - 1);
-		write_sysreg_s(__vcpu_sys_reg(vcpu, ZCR_EL1), SYS_ZCR_EL12);
-	} else {
+	if (sve_guest)
+		__hyp_sve_restore_guest(vcpu);
+	else
 		__fpsimd_restore_state(&vcpu->arch.ctxt.fp_regs);
-	}
 
 	/* Skip restoring fpexc32 for AArch64 guests */
 	if (!(read_sysreg(hcr_el2) & HCR_RW))
@@ -338,14 +260,6 @@
 
 static inline bool esr_is_ptrauth_trap(u32 esr)
 {
-	u32 ec = ESR_ELx_EC(esr);
-
-	if (ec == ESR_ELx_EC_PAC)
-		return true;
-
-	if (ec != ESR_ELx_EC_SYS64)
-		return false;
-
 	switch (esr_sys64_to_sysreg(esr)) {
 	case SYS_APIAKEYLO_EL1:
 	case SYS_APIAKEYHI_EL1:
@@ -374,13 +288,12 @@
 
 DECLARE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt);
 
-static inline bool __hyp_handle_ptrauth(struct kvm_vcpu *vcpu)
+static bool kvm_hyp_handle_ptrauth(struct kvm_vcpu *vcpu, u64 *exit_code)
 {
 	struct kvm_cpu_context *ctxt;
 	u64 val;
 
-	if (!vcpu_has_ptrauth(vcpu) ||
-	    !esr_is_ptrauth_trap(kvm_vcpu_get_esr(vcpu)))
+	if (!vcpu_has_ptrauth(vcpu))
 		return false;
 
 	ctxt = this_cpu_ptr(&kvm_hyp_ctxt);
@@ -399,6 +312,96 @@
 	return true;
 }
 
+static bool kvm_hyp_handle_sysreg(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	if (cpus_have_final_cap(ARM64_WORKAROUND_CAVIUM_TX2_219_TVM) &&
+	    handle_tx2_tvm(vcpu))
+		return true;
+
+	if (static_branch_unlikely(&vgic_v3_cpuif_trap) &&
+	    __vgic_v3_perform_cpuif_access(vcpu) == 1)
+		return true;
+
+	if (esr_is_ptrauth_trap(kvm_vcpu_get_esr(vcpu)))
+		return kvm_hyp_handle_ptrauth(vcpu, exit_code);
+
+	return false;
+}
+
+static bool kvm_hyp_handle_cp15_32(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	if (static_branch_unlikely(&vgic_v3_cpuif_trap) &&
+	    __vgic_v3_perform_cpuif_access(vcpu) == 1)
+		return true;
+
+	return false;
+}
+
+static bool kvm_hyp_handle_memory_fault(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	if (!__populate_fault_info(vcpu))
+		return true;
+
+	return false;
+}
+static bool kvm_hyp_handle_iabt_low(struct kvm_vcpu *vcpu, u64 *exit_code)
+	__alias(kvm_hyp_handle_memory_fault);
+static bool kvm_hyp_handle_watchpt_low(struct kvm_vcpu *vcpu, u64 *exit_code)
+	__alias(kvm_hyp_handle_memory_fault);
+
+static bool kvm_hyp_handle_dabt_low(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	if (kvm_hyp_handle_memory_fault(vcpu, exit_code))
+		return true;
+
+	if (static_branch_unlikely(&vgic_v2_cpuif_trap)) {
+		bool valid;
+
+		valid = kvm_vcpu_trap_get_fault_type(vcpu) == FSC_FAULT &&
+			kvm_vcpu_dabt_isvalid(vcpu) &&
+			!kvm_vcpu_abt_issea(vcpu) &&
+			!kvm_vcpu_abt_iss1tw(vcpu);
+
+		if (valid) {
+			int ret = __vgic_v2_perform_cpuif_access(vcpu);
+
+			if (ret == 1)
+				return true;
+
+			/* Promote an illegal access to an SError.*/
+			if (ret == -1)
+				*exit_code = ARM_EXCEPTION_EL1_SERROR;
+		}
+	}
+
+	return false;
+}
+
+typedef bool (*exit_handler_fn)(struct kvm_vcpu *, u64 *);
+
+static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu);
+
+static void early_exit_filter(struct kvm_vcpu *vcpu, u64 *exit_code);
+
+/*
+ * Allow the hypervisor to handle the exit with an exit handler if it has one.
+ *
+ * Returns true if the hypervisor handled the exit, and control should go back
+ * to the guest, or false if it hasn't.
+ */
+static inline bool kvm_hyp_handle_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	const exit_handler_fn *handlers = kvm_get_exit_handler_array(vcpu);
+	exit_handler_fn fn;
+
+	fn = handlers[kvm_vcpu_trap_get_class(vcpu)];
+
+	if (fn)
+		return fn(vcpu, exit_code);
+
+	return false;
+}
+
 /*
  * Return true when we were able to fixup the guest exit and should return to
  * the guest, false when we should restore the host state and return to the
@@ -412,9 +415,31 @@
 	 */
 	vcpu->arch.ctxt.regs.pstate = read_sysreg_el2(SYS_SPSR);
 
+	/*
+	 * Check whether we want to repaint the state one way or
+	 * another.
+	 */
+	early_exit_filter(vcpu, exit_code);
+
 	if (ARM_EXCEPTION_CODE(*exit_code) != ARM_EXCEPTION_IRQ)
 		vcpu->arch.fault.esr_el2 = read_sysreg_el2(SYS_ESR);
 
+	if (ARM_SERROR_PENDING(*exit_code) &&
+	    ARM_EXCEPTION_CODE(*exit_code) != ARM_EXCEPTION_IRQ) {
+		u8 esr_ec = kvm_vcpu_trap_get_class(vcpu);
+
+		/*
+		 * HVC already have an adjusted PC, which we need to
+		 * correct in order to return to after having injected
+		 * the SError.
+		 *
+		 * SMC, on the other hand, is *trapped*, meaning its
+		 * preferred return address is the SMC itself.
+		 */
+		if (esr_ec == ESR_ELx_EC_HVC32 || esr_ec == ESR_ELx_EC_HVC64)
+			write_sysreg_el2(read_sysreg_el2(SYS_ELR) - 4, SYS_ELR);
+	}
+
 	/*
 	 * We're using the raw exception code in order to only process
 	 * the trap if no SError is pending. We will come back to the
@@ -424,59 +449,9 @@
 	if (*exit_code != ARM_EXCEPTION_TRAP)
 		goto exit;
 
-	if (cpus_have_final_cap(ARM64_WORKAROUND_CAVIUM_TX2_219_TVM) &&
-	    kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_SYS64 &&
-	    handle_tx2_tvm(vcpu))
+	/* Check if there's an exit handler and allow it to handle the exit. */
+	if (kvm_hyp_handle_exit(vcpu, exit_code))
 		goto guest;
-
-	/*
-	 * We trap the first access to the FP/SIMD to save the host context
-	 * and restore the guest context lazily.
-	 * If FP/SIMD is not implemented, handle the trap and inject an
-	 * undefined instruction exception to the guest.
-	 * Similarly for trapped SVE accesses.
-	 */
-	if (__hyp_handle_fpsimd(vcpu))
-		goto guest;
-
-	if (__hyp_handle_ptrauth(vcpu))
-		goto guest;
-
-	if (!__populate_fault_info(vcpu))
-		goto guest;
-
-	if (static_branch_unlikely(&vgic_v2_cpuif_trap)) {
-		bool valid;
-
-		valid = kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_DABT_LOW &&
-			kvm_vcpu_trap_get_fault_type(vcpu) == FSC_FAULT &&
-			kvm_vcpu_dabt_isvalid(vcpu) &&
-			!kvm_vcpu_abt_issea(vcpu) &&
-			!kvm_vcpu_abt_iss1tw(vcpu);
-
-		if (valid) {
-			int ret = __vgic_v2_perform_cpuif_access(vcpu);
-
-			if (ret == 1)
-				goto guest;
-
-			/* Promote an illegal access to an SError.*/
-			if (ret == -1)
-				*exit_code = ARM_EXCEPTION_EL1_SERROR;
-
-			goto exit;
-		}
-	}
-
-	if (static_branch_unlikely(&vgic_v3_cpuif_trap) &&
-	    (kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_SYS64 ||
-	     kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_CP15_32)) {
-		int ret = __vgic_v3_perform_cpuif_access(vcpu);
-
-		if (ret == 1)
-			goto guest;
-	}
-
 exit:
 	/* Return to the host kernel and handle the exit */
 	return false;
@@ -494,8 +469,8 @@
 	struct exception_table_entry *entry, *end;
 	unsigned long elr_el2 = read_sysreg(elr_el2);
 
-	entry = hyp_symbol_addr(__start___kvm_ex_table);
-	end = hyp_symbol_addr(__stop___kvm_ex_table);
+	entry = &__start___kvm_ex_table;
+	end = &__stop___kvm_ex_table;
 
 	while (entry < end) {
 		addr = (unsigned long)&entry->insn + entry->insn;
diff --git a/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h b/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
index 0eacfb9..7ecca8b 100644
--- a/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
+++ b/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
@@ -14,6 +14,7 @@
 #include <asm/kvm_asm.h>
 #include <asm/kvm_emulate.h>
 #include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
 
 static inline void __sysreg_save_common_state(struct kvm_cpu_context *ctxt)
 {
@@ -26,6 +27,16 @@
 	ctxt_sys_reg(ctxt, TPIDRRO_EL0)	= read_sysreg(tpidrro_el0);
 }
 
+static inline bool ctxt_has_mte(struct kvm_cpu_context *ctxt)
+{
+	struct kvm_vcpu *vcpu = ctxt->__hyp_running_vcpu;
+
+	if (!vcpu)
+		vcpu = container_of(ctxt, struct kvm_vcpu, arch.ctxt);
+
+	return kvm_has_mte(kern_hyp_va(vcpu->kvm));
+}
+
 static inline void __sysreg_save_el1_state(struct kvm_cpu_context *ctxt)
 {
 	ctxt_sys_reg(ctxt, CSSELR_EL1)	= read_sysreg(csselr_el1);
@@ -46,6 +57,11 @@
 	ctxt_sys_reg(ctxt, PAR_EL1)	= read_sysreg_par();
 	ctxt_sys_reg(ctxt, TPIDR_EL1)	= read_sysreg(tpidr_el1);
 
+	if (ctxt_has_mte(ctxt)) {
+		ctxt_sys_reg(ctxt, TFSR_EL1) = read_sysreg_el1(SYS_TFSR);
+		ctxt_sys_reg(ctxt, TFSRE0_EL1) = read_sysreg_s(SYS_TFSRE0_EL1);
+	}
+
 	ctxt_sys_reg(ctxt, SP_EL1)	= read_sysreg(sp_el1);
 	ctxt_sys_reg(ctxt, ELR_EL1)	= read_sysreg_el1(SYS_ELR);
 	ctxt_sys_reg(ctxt, SPSR_EL1)	= read_sysreg_el1(SYS_SPSR);
@@ -112,6 +128,11 @@
 	write_sysreg(ctxt_sys_reg(ctxt, PAR_EL1),	par_el1);
 	write_sysreg(ctxt_sys_reg(ctxt, TPIDR_EL1),	tpidr_el1);
 
+	if (ctxt_has_mte(ctxt)) {
+		write_sysreg_el1(ctxt_sys_reg(ctxt, TFSR_EL1), SYS_TFSR);
+		write_sysreg_s(ctxt_sys_reg(ctxt, TFSRE0_EL1), SYS_TFSRE0_EL1);
+	}
+
 	if (!has_vhe() &&
 	    cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT) &&
 	    ctxt->__hyp_running_vcpu) {
diff --git a/arch/arm64/kvm/hyp/include/nvhe/early_alloc.h b/arch/arm64/kvm/hyp/include/nvhe/early_alloc.h
new file mode 100644
index 0000000..dc61aaa
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/early_alloc.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_EARLY_ALLOC_H
+#define __KVM_HYP_EARLY_ALLOC_H
+
+#include <asm/kvm_pgtable.h>
+
+void hyp_early_alloc_init(void *virt, unsigned long size);
+unsigned long hyp_early_alloc_nr_used_pages(void);
+void *hyp_early_alloc_page(void *arg);
+void *hyp_early_alloc_contig(unsigned int nr_pages);
+
+extern struct kvm_pgtable_mm_ops hyp_early_alloc_mm_ops;
+
+#endif /* __KVM_HYP_EARLY_ALLOC_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/ffa.h b/arch/arm64/kvm/hyp/include/nvhe/ffa.h
new file mode 100644
index 0000000..3966625
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/ffa.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2022 - Google LLC
+ * Author: Andrew Walbran <qwandor@google.com>
+ */
+#ifndef __KVM_HYP_FFA_H
+#define __KVM_HYP_FFA_H
+
+#include <asm/kvm_host.h>
+#include <nvhe/spinlock.h>
+
+#define FFA_MIN_FUNC_NUM 0x60
+#define FFA_MAX_FUNC_NUM 0x7F
+
+struct kvm_ffa_buffers {
+	hyp_spinlock_t lock;
+	void *tx;
+	void *rx;
+};
+
+int hyp_ffa_init(void *pages);
+bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt);
+
+#endif /* __KVM_HYP_FFA_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/gfp.h b/arch/arm64/kvm/hyp/include/nvhe/gfp.h
new file mode 100644
index 0000000..9330b13
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/gfp.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_GFP_H
+#define __KVM_HYP_GFP_H
+
+#include <linux/list.h>
+
+#include <nvhe/memory.h>
+#include <nvhe/spinlock.h>
+
+#define HYP_NO_ORDER	0xff
+
+struct hyp_pool {
+	/*
+	 * Spinlock protecting concurrent changes to the memory pool as well as
+	 * the struct hyp_page of the pool's pages until we have a proper atomic
+	 * API at EL2.
+	 */
+	hyp_spinlock_t lock;
+	struct list_head free_area[MAX_ORDER];
+	phys_addr_t range_start;
+	phys_addr_t range_end;
+	u8 max_order;
+};
+
+/* Allocation */
+void *hyp_alloc_pages(struct hyp_pool *pool, u8 order);
+void hyp_split_page(struct hyp_page *page);
+void hyp_get_page(struct hyp_pool *pool, void *addr);
+void hyp_put_page(struct hyp_pool *pool, void *addr);
+
+/* Used pages cannot be freed */
+int hyp_pool_init(struct hyp_pool *pool, u64 pfn, unsigned int nr_pages,
+		  unsigned int reserved_pages);
+#endif /* __KVM_HYP_GFP_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/iommu.h b/arch/arm64/kvm/hyp/include/nvhe/iommu.h
new file mode 100644
index 0000000..f9a75f4
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/iommu.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __ARM64_KVM_NVHE_IOMMU_H__
+#define __ARM64_KVM_NVHE_IOMMU_H__
+
+#include <linux/types.h>
+#include <asm/kvm_host.h>
+
+#include <nvhe/mem_protect.h>
+
+struct pkvm_iommu;
+
+struct pkvm_iommu_ops {
+	/*
+	 * Global driver initialization called before devices are registered.
+	 * Driver-specific arguments are passed in a buffer shared by the host.
+	 * The buffer memory has been pinned in EL2 but host retains R/W access.
+	 * Extra care must be taken when reading from it to avoid TOCTOU bugs.
+	 * If the driver maintains its own page tables, it is expected to
+	 * initialize them to all memory owned by the host.
+	 * Driver initialization lock held during callback.
+	 */
+	int (*init)(void *data, size_t size);
+
+	/*
+	 * Driver-specific validation of a device that is being registered.
+	 * All fields of the device struct have been populated.
+	 * Called with the host lock held.
+	 */
+	int (*validate)(struct pkvm_iommu *dev);
+
+	/*
+	 * Validation of a new child device that is being register by
+	 * the parent device the child selected. Called with the host lock held.
+	 */
+	int (*validate_child)(struct pkvm_iommu *dev, struct pkvm_iommu *child);
+
+	/*
+	 * Callback to apply a host stage-2 mapping change at driver level.
+	 * Called before 'host_stage2_idmap_apply' with host lock held.
+	 */
+	void (*host_stage2_idmap_prepare)(phys_addr_t start, phys_addr_t end,
+					  enum kvm_pgtable_prot prot);
+
+	/*
+	 * Callback to apply a host stage-2 mapping change at device level.
+	 * Called after 'host_stage2_idmap_prepare' with host lock held.
+	 */
+	void (*host_stage2_idmap_apply)(struct pkvm_iommu *dev,
+					phys_addr_t start, phys_addr_t end);
+
+	/*
+	 * Callback to finish a host stage-2 mapping change at device level.
+	 * Called after 'host_stage2_idmap_apply' with host lock held.
+	 */
+	void (*host_stage2_idmap_complete)(struct pkvm_iommu *dev);
+
+	/* Power management callbacks. Called with host lock held. */
+	int (*suspend)(struct pkvm_iommu *dev);
+	int (*resume)(struct pkvm_iommu *dev);
+
+	/*
+	 * Host data abort handler callback. Called with host lock held.
+	 * Returns true if the data abort has been handled.
+	 */
+	bool (*host_dabt_handler)(struct pkvm_iommu *dev,
+				  struct kvm_cpu_context *host_ctxt,
+				  u32 esr, size_t off);
+
+	/* Amount of memory allocated per-device for use by the driver. */
+	size_t data_size;
+};
+
+struct pkvm_iommu {
+	struct pkvm_iommu *parent;
+	struct list_head list;
+	struct list_head siblings;
+	struct list_head children;
+	unsigned long id;
+	const struct pkvm_iommu_ops *ops;
+	phys_addr_t pa;
+	void *va;
+	size_t size;
+	bool powered;
+	char data[];
+};
+
+int __pkvm_iommu_driver_init(enum pkvm_iommu_driver_id id, void *data, size_t size);
+int __pkvm_iommu_register(unsigned long dev_id,
+			  enum pkvm_iommu_driver_id drv_id,
+			  phys_addr_t dev_pa, size_t dev_size,
+			  unsigned long parent_id,
+			  void *kern_mem_va, size_t mem_size);
+int __pkvm_iommu_pm_notify(unsigned long dev_id,
+			   enum pkvm_iommu_pm_event event);
+int __pkvm_iommu_finalize(void);
+int pkvm_iommu_host_stage2_adjust_range(phys_addr_t addr, phys_addr_t *start,
+					phys_addr_t *end);
+bool pkvm_iommu_host_dabt_handler(struct kvm_cpu_context *host_ctxt, u32 esr,
+				  phys_addr_t fault_pa);
+void pkvm_iommu_host_stage2_idmap(phys_addr_t start, phys_addr_t end,
+				  enum kvm_pgtable_prot prot);
+
+extern const struct pkvm_iommu_ops pkvm_s2mpu_ops;
+extern const struct pkvm_iommu_ops pkvm_sysmmu_sync_ops;
+
+#endif	/* __ARM64_KVM_NVHE_IOMMU_H__ */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h
new file mode 100644
index 0000000..f9ce884
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#ifndef __KVM_NVHE_MEM_PROTECT__
+#define __KVM_NVHE_MEM_PROTECT__
+#include <linux/kvm_host.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/virt.h>
+#include <nvhe/ffa.h>
+#include <nvhe/spinlock.h>
+
+/*
+ * SW bits 0-1 are reserved to track the memory ownership state of each page:
+ *   00: The page is owned exclusively by the page-table owner.
+ *   01: The page is owned by the page-table owner, but is shared
+ *       with another entity.
+ *   10: The page is shared with, but not owned by the page-table owner.
+ *   11: Reserved for future use (lending).
+ */
+enum pkvm_page_state {
+	PKVM_PAGE_OWNED			= 0ULL,
+	PKVM_PAGE_SHARED_OWNED		= KVM_PGTABLE_PROT_SW0,
+	PKVM_PAGE_SHARED_BORROWED	= KVM_PGTABLE_PROT_SW1,
+	__PKVM_PAGE_RESERVED		= KVM_PGTABLE_PROT_SW0 |
+					  KVM_PGTABLE_PROT_SW1,
+
+	/* Meta-states which aren't encoded directly in the PTE's SW bits */
+	PKVM_NOPAGE,
+};
+
+#define PKVM_PAGE_STATE_PROT_MASK	(KVM_PGTABLE_PROT_SW0 | KVM_PGTABLE_PROT_SW1)
+static inline enum kvm_pgtable_prot pkvm_mkstate(enum kvm_pgtable_prot prot,
+						 enum pkvm_page_state state)
+{
+	return (prot & ~PKVM_PAGE_STATE_PROT_MASK) | state;
+}
+
+static inline enum pkvm_page_state pkvm_getstate(enum kvm_pgtable_prot prot)
+{
+	return prot & PKVM_PAGE_STATE_PROT_MASK;
+}
+
+struct host_kvm {
+	struct kvm_arch arch;
+	struct kvm_pgtable pgt;
+	struct kvm_pgtable_mm_ops mm_ops;
+	struct kvm_ffa_buffers ffa;
+	hyp_spinlock_t lock;
+};
+extern struct host_kvm host_kvm;
+
+typedef u32 pkvm_id;
+static const pkvm_id pkvm_host_id	= 0;
+static const pkvm_id pkvm_hyp_id	= (1 << 16);
+static const pkvm_id pkvm_ffa_id	= pkvm_hyp_id + 1; /* Secure world */
+
+extern unsigned long hyp_nr_cpus;
+
+int __pkvm_prot_finalize(void);
+int __pkvm_host_share_hyp(u64 pfn);
+int __pkvm_host_unshare_hyp(u64 pfn);
+int __pkvm_host_reclaim_page(u64 pfn);
+int __pkvm_host_donate_hyp(u64 pfn, u64 nr_pages);
+int __pkvm_hyp_donate_host(u64 pfn, u64 nr_pages);
+int __pkvm_host_share_guest(u64 pfn, u64 gfn, struct kvm_vcpu *vcpu);
+int __pkvm_host_donate_guest(u64 pfn, u64 gfn, struct kvm_vcpu *vcpu);
+int __pkvm_guest_share_host(struct kvm_vcpu *vcpu, u64 ipa);
+int __pkvm_guest_unshare_host(struct kvm_vcpu *vcpu, u64 ipa);
+int __pkvm_host_share_ffa(u64 pfn, u64 nr_pages);
+int __pkvm_host_unshare_ffa(u64 pfn, u64 nr_pages);
+int __pkvm_install_ioguard_page(struct kvm_vcpu *vcpu, u64 ipa);
+int __pkvm_remove_ioguard_page(struct kvm_vcpu *vcpu, u64 ipa);
+bool __pkvm_check_ioguard_page(struct kvm_vcpu *vcpu);
+
+bool addr_is_memory(phys_addr_t phys);
+int host_stage2_idmap_locked(phys_addr_t addr, u64 size, enum kvm_pgtable_prot prot,
+			     bool update_iommu);
+int host_stage2_set_owner_locked(phys_addr_t addr, u64 size, pkvm_id owner_id);
+int host_stage2_unmap_dev_locked(phys_addr_t start, u64 size);
+int kvm_host_prepare_stage2(void *pgt_pool_base);
+int kvm_guest_prepare_stage2(struct kvm_shadow_vm *vm, void *pgd);
+void handle_host_mem_abort(struct kvm_cpu_context *host_ctxt);
+
+int hyp_pin_shared_mem(void *from, void *to);
+void hyp_unpin_shared_mem(void *from, void *to);
+int refill_memcache(struct kvm_hyp_memcache *mc, unsigned long min_pages,
+		    struct kvm_hyp_memcache *host_mc);
+void reclaim_guest_pages(struct kvm_shadow_vm *vm, struct kvm_hyp_memcache *mc);
+
+void psci_mem_protect_inc(void);
+void psci_mem_protect_dec(void);
+
+static __always_inline void __load_host_stage2(void)
+{
+	if (static_branch_likely(&kvm_protected_mode_initialized))
+		__load_stage2(&host_kvm.arch.mmu, &host_kvm.arch);
+	else
+		write_sysreg(0, vttbr_el2);
+}
+#endif /* __KVM_NVHE_MEM_PROTECT__ */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/memory.h b/arch/arm64/kvm/hyp/include/nvhe/memory.h
new file mode 100644
index 0000000..8fd0418
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/memory.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_MEMORY_H
+#define __KVM_HYP_MEMORY_H
+
+#include <asm/kvm_mmu.h>
+#include <asm/page.h>
+
+#include <linux/types.h>
+
+/*
+ * Accesses to struct hyp_page flags must be serialized by the host stage-2
+ * page-table lock due to the lack of atomics at EL2.
+ */
+#define HOST_PAGE_NEED_POISONING	BIT(0)
+#define HOST_PAGE_PENDING_RECLAIM	BIT(1)
+
+struct hyp_page {
+	unsigned short refcount;
+	u8 order;
+	u8 flags;
+};
+
+extern s64 hyp_physvirt_offset;
+extern u64 __hyp_vmemmap;
+#define hyp_vmemmap ((struct hyp_page *)__hyp_vmemmap)
+
+#define __hyp_va(phys)	((void *)((phys_addr_t)(phys) - hyp_physvirt_offset))
+
+static inline void *hyp_phys_to_virt(phys_addr_t phys)
+{
+	return __hyp_va(phys);
+}
+
+static inline phys_addr_t hyp_virt_to_phys(void *addr)
+{
+	return __hyp_pa(addr);
+}
+
+#define hyp_phys_to_pfn(phys)	((phys) >> PAGE_SHIFT)
+#define hyp_pfn_to_phys(pfn)	((phys_addr_t)((pfn) << PAGE_SHIFT))
+#define hyp_phys_to_page(phys)	(&hyp_vmemmap[hyp_phys_to_pfn(phys)])
+#define hyp_virt_to_page(virt)	hyp_phys_to_page(__hyp_pa(virt))
+#define hyp_virt_to_pfn(virt)	hyp_phys_to_pfn(__hyp_pa(virt))
+
+#define hyp_page_to_pfn(page)	((struct hyp_page *)(page) - hyp_vmemmap)
+#define hyp_page_to_phys(page)  hyp_pfn_to_phys((hyp_page_to_pfn(page)))
+#define hyp_page_to_virt(page)	__hyp_va(hyp_page_to_phys(page))
+#define hyp_page_to_pool(page)	(((struct hyp_page *)page)->pool)
+
+static inline int hyp_page_count(void *addr)
+{
+	struct hyp_page *p = hyp_virt_to_page(addr);
+
+	return p->refcount;
+}
+
+static inline void hyp_page_ref_inc(struct hyp_page *p)
+{
+	BUG_ON(p->refcount == USHRT_MAX);
+	p->refcount++;
+}
+
+static inline void hyp_page_ref_dec(struct hyp_page *p)
+{
+	BUG_ON(!p->refcount);
+	p->refcount--;
+}
+
+static inline int hyp_page_ref_dec_and_test(struct hyp_page *p)
+{
+	hyp_page_ref_dec(p);
+	return (p->refcount == 0);
+}
+
+static inline void hyp_set_page_refcounted(struct hyp_page *p)
+{
+	BUG_ON(p->refcount);
+	p->refcount = 1;
+}
+#endif /* __KVM_HYP_MEMORY_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/mm.h b/arch/arm64/kvm/hyp/include/nvhe/mm.h
new file mode 100644
index 0000000..45b04bf
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/mm.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_MM_H
+#define __KVM_HYP_MM_H
+
+#include <asm/kvm_pgtable.h>
+#include <asm/spectre.h>
+#include <linux/memblock.h>
+#include <linux/types.h>
+
+#include <nvhe/memory.h>
+#include <nvhe/spinlock.h>
+
+extern struct kvm_pgtable pkvm_pgtable;
+extern hyp_spinlock_t pkvm_pgd_lock;
+
+int hyp_create_pcpu_fixmap(void);
+void *hyp_fixmap_map(phys_addr_t phys);
+int hyp_fixmap_unmap(void);
+
+int hyp_create_idmap(u32 hyp_va_bits);
+int hyp_map_vectors(void);
+int hyp_back_vmemmap(phys_addr_t back);
+int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot);
+int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot);
+int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot);
+unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
+					    enum kvm_pgtable_prot prot);
+
+#endif /* __KVM_HYP_MM_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/pkvm.h b/arch/arm64/kvm/hyp/include/nvhe/pkvm.h
new file mode 100644
index 0000000..de7f607
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/pkvm.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2021 Google LLC
+ * Author: Fuad Tabba <tabba@google.com>
+ */
+
+#ifndef __ARM64_KVM_NVHE_PKVM_H__
+#define __ARM64_KVM_NVHE_PKVM_H__
+
+#include <asm/kvm_pkvm.h>
+
+#include <nvhe/gfp.h>
+#include <nvhe/spinlock.h>
+
+/*
+ * A container for the vcpu state that hyp needs to maintain for protected VMs.
+ */
+struct shadow_vcpu_state {
+	struct kvm_shadow_vm *vm;
+	struct kvm_vcpu vcpu;
+};
+
+/*
+ * Holds the relevant data for running a protected vm.
+ */
+struct kvm_shadow_vm {
+	/* A unique id to the shadow structs in the hyp shadow area. */
+	int shadow_handle;
+
+	/* Number of vcpus for the vm. */
+	int created_vcpus;
+
+	/* Pointers to the shadow vcpus of the shadow vm. */
+	struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
+
+	/* Primary vCPU pending entry to the pvmfw */
+	struct kvm_vcpu *pvmfw_entry_vcpu;
+
+	/* The host's kvm structure. */
+	struct kvm *host_kvm;
+
+	/* The total size of the donated shadow area. */
+	size_t shadow_area_size;
+
+	/*
+	 * The number of vcpus initialized and ready to run in the shadow vm.
+	 * Modifying this is protected by shadow_lock.
+	 */
+	unsigned int nr_vcpus;
+
+	struct kvm_arch arch;
+	struct kvm_pgtable pgt;
+	struct kvm_pgtable_mm_ops mm_ops;
+	struct hyp_pool pool;
+	hyp_spinlock_t lock;
+
+	/* Array of the shadow state pointers per vcpu. */
+	struct shadow_vcpu_state *shadow_vcpus[0];
+};
+
+static inline bool vcpu_is_protected(struct kvm_vcpu *vcpu)
+{
+	if (!is_protected_kvm_enabled())
+		return false;
+
+	return vcpu->arch.pkvm.shadow_vm->arch.pkvm.enabled;
+}
+
+extern phys_addr_t pvmfw_base;
+extern phys_addr_t pvmfw_size;
+
+void hyp_shadow_table_init(void *tbl);
+int __pkvm_init_shadow(struct kvm *kvm, void *shadow_va, size_t size, void *pgd);
+int __pkvm_init_shadow_vcpu(unsigned int shadow_handle,
+			    struct kvm_vcpu *host_vcpu,
+			    void *shadow_vcpu_hva);
+int __pkvm_teardown_shadow(int shadow_handle);
+struct kvm_vcpu *get_shadow_vcpu(int shadow_handle, unsigned int vcpu_idx);
+void put_shadow_vcpu(struct kvm_vcpu *vcpu);
+
+u64 pvm_read_id_reg(const struct kvm_vcpu *vcpu, u32 id);
+bool kvm_handle_pvm_sysreg(struct kvm_vcpu *vcpu, u64 *exit_code);
+bool kvm_handle_pvm_restricted(struct kvm_vcpu *vcpu, u64 *exit_code);
+void kvm_reset_pvm_sys_regs(struct kvm_vcpu *vcpu);
+int kvm_check_pvm_sysreg_table(void);
+
+void pkvm_reset_vcpu(struct kvm_vcpu *vcpu);
+
+bool kvm_handle_pvm_hvc64(struct kvm_vcpu *vcpu, u64 *exit_code);
+
+struct kvm_vcpu *pvm_mpidr_to_vcpu(struct kvm_shadow_vm *vm, unsigned long mpidr);
+
+static inline bool pvm_has_pvmfw(struct kvm_shadow_vm *vm)
+{
+	return vm->arch.pkvm.pvmfw_load_addr != PVMFW_INVALID_LOAD_ADDR;
+}
+
+static inline bool ipa_in_pvmfw_region(struct kvm_shadow_vm *vm, u64 ipa)
+{
+	struct kvm_protected_vm *pkvm = &vm->arch.pkvm;
+
+	if (!pvm_has_pvmfw(vm))
+		return false;
+
+	return ipa - pkvm->pvmfw_load_addr < pvmfw_size;
+}
+
+int pkvm_load_pvmfw_pages(struct kvm_shadow_vm *vm, u64 ipa, phys_addr_t phys,
+			  u64 size);
+void pkvm_clear_pvmfw_pages(void);
+
+#endif /* __ARM64_KVM_NVHE_PKVM_H__ */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/spinlock.h b/arch/arm64/kvm/hyp/include/nvhe/spinlock.h
new file mode 100644
index 0000000..7c7ea8c
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/spinlock.h
@@ -0,0 +1,125 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * A stand-alone ticket spinlock implementation for use by the non-VHE
+ * KVM hypervisor code running at EL2.
+ *
+ * Copyright (C) 2020 Google LLC
+ * Author: Will Deacon <will@kernel.org>
+ *
+ * Heavily based on the implementation removed by c11090474d70 which was:
+ * Copyright (C) 2012 ARM Ltd.
+ */
+
+#ifndef __ARM64_KVM_NVHE_SPINLOCK_H__
+#define __ARM64_KVM_NVHE_SPINLOCK_H__
+
+#include <asm/alternative.h>
+#include <asm/lse.h>
+#include <asm/rwonce.h>
+
+typedef union hyp_spinlock {
+	u32	__val;
+	struct {
+#ifdef __AARCH64EB__
+		u16 next, owner;
+#else
+		u16 owner, next;
+#endif
+	};
+} hyp_spinlock_t;
+
+#define __HYP_SPIN_LOCK_INITIALIZER \
+	{ .__val = 0 }
+
+#define __HYP_SPIN_LOCK_UNLOCKED \
+	((hyp_spinlock_t) __HYP_SPIN_LOCK_INITIALIZER)
+
+#define DEFINE_HYP_SPINLOCK(x)	hyp_spinlock_t x = __HYP_SPIN_LOCK_UNLOCKED
+
+#define hyp_spin_lock_init(l)						\
+do {									\
+	*(l) = __HYP_SPIN_LOCK_UNLOCKED;				\
+} while (0)
+
+static inline void hyp_spin_lock(hyp_spinlock_t *lock)
+{
+	u32 tmp;
+	hyp_spinlock_t lockval, newval;
+
+	asm volatile(
+	/* Atomically increment the next ticket. */
+	ARM64_LSE_ATOMIC_INSN(
+	/* LL/SC */
+"	prfm	pstl1strm, %3\n"
+"1:	ldaxr	%w0, %3\n"
+"	add	%w1, %w0, #(1 << 16)\n"
+"	stxr	%w2, %w1, %3\n"
+"	cbnz	%w2, 1b\n",
+	/* LSE atomics */
+"	mov	%w2, #(1 << 16)\n"
+"	ldadda	%w2, %w0, %3\n"
+	__nops(3))
+
+	/* Did we get the lock? */
+"	eor	%w1, %w0, %w0, ror #16\n"
+"	cbz	%w1, 3f\n"
+	/*
+	 * No: spin on the owner. Send a local event to avoid missing an
+	 * unlock before the exclusive load.
+	 */
+"	sevl\n"
+"2:	wfe\n"
+"	ldaxrh	%w2, %4\n"
+"	eor	%w1, %w2, %w0, lsr #16\n"
+"	cbnz	%w1, 2b\n"
+	/* We got the lock. Critical section starts here. */
+"3:"
+	: "=&r" (lockval), "=&r" (newval), "=&r" (tmp), "+Q" (*lock)
+	: "Q" (lock->owner)
+	: "memory");
+}
+
+static inline void hyp_spin_unlock(hyp_spinlock_t *lock)
+{
+	u64 tmp;
+
+	asm volatile(
+	ARM64_LSE_ATOMIC_INSN(
+	/* LL/SC */
+	"	ldrh	%w1, %0\n"
+	"	add	%w1, %w1, #1\n"
+	"	stlrh	%w1, %0",
+	/* LSE atomics */
+	"	mov	%w1, #1\n"
+	"	staddlh	%w1, %0\n"
+	__nops(1))
+	: "=Q" (lock->owner), "=&r" (tmp)
+	:
+	: "memory");
+}
+
+static inline bool hyp_spin_is_locked(hyp_spinlock_t *lock)
+{
+	hyp_spinlock_t lockval = READ_ONCE(*lock);
+
+	return lockval.owner != lockval.next;
+}
+
+#ifdef CONFIG_NVHE_EL2_DEBUG
+static inline void hyp_assert_lock_held(hyp_spinlock_t *lock)
+{
+	/*
+	 * The __pkvm_init() path accesses protected data-structures without
+	 * holding locks as the other CPUs are guaranteed to not enter EL2
+	 * concurrently at this point in time. The point by which EL2 is
+	 * initialized on all CPUs is reflected in the pkvm static key, so
+	 * wait until it is set before checking the lock state.
+	 */
+	if (static_branch_likely(&kvm_protected_mode_initialized))
+		BUG_ON(!hyp_spin_is_locked(lock));
+}
+#else
+static inline void hyp_assert_lock_held(hyp_spinlock_t *lock) { }
+#endif
+
+#endif /* __ARM64_KVM_NVHE_SPINLOCK_H__ */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/trap_handler.h b/arch/arm64/kvm/hyp/include/nvhe/trap_handler.h
new file mode 100644
index 0000000..1e6d995
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/trap_handler.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Trap handler helpers.
+ *
+ * Copyright (C) 2020 - Google LLC
+ * Author: Marc Zyngier <maz@kernel.org>
+ */
+
+#ifndef __ARM64_KVM_NVHE_TRAP_HANDLER_H__
+#define __ARM64_KVM_NVHE_TRAP_HANDLER_H__
+
+#include <asm/kvm_host.h>
+
+#define cpu_reg(ctxt, r)	(ctxt)->regs.regs[r]
+#define DECLARE_REG(type, name, ctxt, reg)	\
+				type name = (type)cpu_reg(ctxt, (reg))
+
+#endif /* __ARM64_KVM_NVHE_TRAP_HANDLER_H__ */
diff --git a/arch/arm64/kvm/hyp/nvhe/.gitignore b/arch/arm64/kvm/hyp/nvhe/.gitignore
index 695d73d..5b6c43c 100644
--- a/arch/arm64/kvm/hyp/nvhe/.gitignore
+++ b/arch/arm64/kvm/hyp/nvhe/.gitignore
@@ -1,2 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
+gen-hyprel
 hyp.lds
+hyp-reloc.S
diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
index 230bba1..5145c23 100644
--- a/arch/arm64/kvm/hyp/nvhe/Makefile
+++ b/arch/arm64/kvm/hyp/nvhe/Makefile
@@ -3,17 +3,24 @@
 # Makefile for Kernel-based Virtual Machine module, HYP/nVHE part
 #
 
-asflags-y := -D__KVM_NVHE_HYPERVISOR__
-ccflags-y := -D__KVM_NVHE_HYPERVISOR__
+asflags-y := -D__KVM_NVHE_HYPERVISOR__ -D__DISABLE_EXPORTS
+ccflags-y := -D__KVM_NVHE_HYPERVISOR__ -D__DISABLE_EXPORTS -D__DISABLE_TRACE_MMIO__
+
+hostprogs := gen-hyprel
+HOST_EXTRACFLAGS += -I$(objtree)/include
 
 lib-objs := clear_page.o copy_page.o memcpy.o memset.o
 lib-objs := $(addprefix ../../../lib/, $(lib-objs))
 
-obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o hyp-init.o host.o hyp-main.o
+obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o hyp-init.o host.o \
+	 hyp-main.o hyp-smp.o psci-relay.o early_alloc.o stub.o page_alloc.o \
+	 cache.o ffa.o setup.o mm.o mem_protect.o sys_regs.o pkvm.o iommu.o
 obj-y += ../vgic-v3-sr.o ../aarch32.o ../vgic-v2-cpuif-proxy.o ../entry.o \
-	 ../fpsimd.o ../hyp-entry.o
+	 ../fpsimd.o ../hyp-entry.o ../exception.o ../pgtable.o
 obj-y += $(lib-objs)
 
+obj-$(CONFIG_KVM_S2MPU) += iommu/s2mpu.o
+
 ##
 ## Build rules for compiling nVHE hyp code
 ## Output of this folder is `kvm_nvhe.o`, a partially linked object
@@ -22,7 +29,7 @@
 
 hyp-obj := $(patsubst %.o,%.nvhe.o,$(obj-y))
 obj-y := kvm_nvhe.o
-extra-y := $(hyp-obj) kvm_nvhe.tmp.o hyp.lds
+extra-y := $(hyp-obj) kvm_nvhe.tmp.o kvm_nvhe.rel.o hyp.lds hyp-reloc.S hyp-reloc.o
 
 # 1) Compile all source files to `.nvhe.o` object files. The file extension
 #    avoids file name clashes for files shared with VHE.
@@ -45,19 +52,39 @@
 $(obj)/kvm_nvhe.tmp.o: $(obj)/hyp.lds $(addprefix $(obj)/,$(hyp-obj)) FORCE
 	$(call if_changed,ld)
 
-# 4) Produce the final 'kvm_nvhe.o', ready to be linked into 'vmlinux'.
+# 4) Generate list of hyp code/data positions that need to be relocated at
+#    runtime. Because the hypervisor is part of the kernel binary, relocations
+#    produce a kernel VA. We enumerate relocations targeting hyp at build time
+#    and convert the kernel VAs at those positions to hyp VAs.
+$(obj)/hyp-reloc.S: $(obj)/kvm_nvhe.tmp.o $(obj)/gen-hyprel FORCE
+	$(call if_changed,hyprel)
+
+# 5) Compile hyp-reloc.S and link it into the existing partially linked object.
+#    The object file now contains a section with pointers to hyp positions that
+#    will contain kernel VAs at runtime. These pointers have relocations on them
+#    so that they get updated as the hyp object is linked into `vmlinux`.
+LDFLAGS_kvm_nvhe.rel.o := -r
+$(obj)/kvm_nvhe.rel.o: $(obj)/kvm_nvhe.tmp.o $(obj)/hyp-reloc.o FORCE
+	$(call if_changed,ld)
+
+# 6) Produce the final 'kvm_nvhe.o', ready to be linked into 'vmlinux'.
 #    Prefixes names of ELF symbols with '__kvm_nvhe_'.
-$(obj)/kvm_nvhe.o: $(obj)/kvm_nvhe.tmp.o FORCE
+$(obj)/kvm_nvhe.o: $(obj)/kvm_nvhe.rel.o FORCE
 	$(call if_changed,hypcopy)
 
+# The HYPREL command calls `gen-hyprel` to generate an assembly file with
+# a list of relocations targeting hyp code/data.
+quiet_cmd_hyprel = HYPREL  $@
+      cmd_hyprel = $(obj)/gen-hyprel $< > $@
+
 # The HYPCOPY command uses `objcopy` to prefix all ELF symbol names
 # to avoid clashes with VHE code/data.
 quiet_cmd_hypcopy = HYPCOPY $@
       cmd_hypcopy = $(OBJCOPY) --prefix-symbols=__kvm_nvhe_ $< $@
 
-# Remove ftrace and Shadow Call Stack CFLAGS.
-# This is equivalent to the 'notrace' and '__noscs' annotations.
-KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
+# Remove ftrace, Shadow Call Stack and CFI CFLAGS.
+# This is equivalent to the 'notrace', '__noscs' and '__nocfi' annotations.
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) $(CC_FLAGS_CFI), $(KBUILD_CFLAGS))
 
 # KVM nVHE code is run at a different exception code with a different map, so
 # compiler instrumentation that inserts callbacks or checks into the code may
diff --git a/arch/arm64/kvm/hyp/nvhe/cache.S b/arch/arm64/kvm/hyp/nvhe/cache.S
new file mode 100644
index 0000000..4c447f2a
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/cache.S
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Code copied from arch/arm64/mm/cache.S.
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/alternative.h>
+
+SYM_FUNC_START_PI(dcache_clean_inval_poc)
+	dcache_by_line_op civac, sy, x0, x1, x2, x3
+	ret
+SYM_FUNC_END_PI(dcache_clean_inval_poc)
+
+SYM_FUNC_START_PI(icache_inval_pou)
+alternative_if ARM64_HAS_CACHE_DIC
+	isb
+	ret
+alternative_else_nop_endif
+
+	invalidate_icache_by_line x0, x1, x2, x3
+	ret
+SYM_FUNC_END_PI(icache_inval_pou)
diff --git a/arch/arm64/kvm/hyp/nvhe/debug-sr.c b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
index f401724..df361d8 100644
--- a/arch/arm64/kvm/hyp/nvhe/debug-sr.c
+++ b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
@@ -21,17 +21,11 @@
 	/* Clear pmscr in case of early return */
 	*pmscr_el1 = 0;
 
-	/* SPE present on this CPU? */
-	if (!cpuid_feature_extract_unsigned_field(read_sysreg(id_aa64dfr0_el1),
-						  ID_AA64DFR0_PMSVER_SHIFT))
-		return;
-
-	/* Yes; is it owned by EL3? */
-	reg = read_sysreg_s(SYS_PMBIDR_EL1);
-	if (reg & BIT(SYS_PMBIDR_EL1_P_SHIFT))
-		return;
-
-	/* No; is the host actually using the thing? */
+	/*
+	 * At this point, we know that this CPU implements
+	 * SPE and is available to the host.
+	 * Check if the host is actually using it ?
+	 */
 	reg = read_sysreg_s(SYS_PMBLIMITR_EL1);
 	if (!(reg & BIT(SYS_PMBLIMITR_EL1_E_SHIFT)))
 		return;
@@ -58,10 +52,43 @@
 	write_sysreg_s(pmscr_el1, SYS_PMSCR_EL1);
 }
 
+static void __debug_save_trace(u64 *trfcr_el1)
+{
+	*trfcr_el1 = 0;
+
+	/* Check if the TRBE is enabled */
+	if (!(read_sysreg_s(SYS_TRBLIMITR_EL1) & TRBLIMITR_ENABLE))
+		return;
+	/*
+	 * Prohibit trace generation while we are in guest.
+	 * Since access to TRFCR_EL1 is trapped, the guest can't
+	 * modify the filtering set by the host.
+	 */
+	*trfcr_el1 = read_sysreg_s(SYS_TRFCR_EL1);
+	write_sysreg_s(0, SYS_TRFCR_EL1);
+	isb();
+	/* Drain the trace buffer to memory */
+	tsb_csync();
+	dsb(nsh);
+}
+
+static void __debug_restore_trace(u64 trfcr_el1)
+{
+	if (!trfcr_el1)
+		return;
+
+	/* Restore trace filter controls */
+	write_sysreg_s(trfcr_el1, SYS_TRFCR_EL1);
+}
+
 void __debug_save_host_buffers_nvhe(struct kvm_vcpu *vcpu)
 {
 	/* Disable and flush SPE data generation */
-	__debug_save_spe(&vcpu->arch.host_debug_state.pmscr_el1);
+	if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_SPE)
+		__debug_save_spe(&vcpu->arch.host_debug_state.pmscr_el1);
+	/* Disable and flush Self-Hosted Trace generation */
+	if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_TRBE)
+		__debug_save_trace(&vcpu->arch.host_debug_state.trfcr_el1);
 }
 
 void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
@@ -71,7 +98,10 @@
 
 void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu)
 {
-	__debug_restore_spe(vcpu->arch.host_debug_state.pmscr_el1);
+	if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_SPE)
+		__debug_restore_spe(vcpu->arch.host_debug_state.pmscr_el1);
+	if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_TRBE)
+		__debug_restore_trace(vcpu->arch.host_debug_state.trfcr_el1);
 }
 
 void __debug_switch_to_host(struct kvm_vcpu *vcpu)
@@ -79,7 +109,7 @@
 	__debug_switch_to_host_common(vcpu);
 }
 
-u32 __kvm_get_mdcr_el2(void)
+u64 __kvm_get_mdcr_el2(void)
 {
 	return read_sysreg(mdcr_el2);
 }
diff --git a/arch/arm64/kvm/hyp/nvhe/early_alloc.c b/arch/arm64/kvm/hyp/nvhe/early_alloc.c
new file mode 100644
index 0000000..00de041
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/early_alloc.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <asm/kvm_pgtable.h>
+
+#include <nvhe/early_alloc.h>
+#include <nvhe/memory.h>
+
+struct kvm_pgtable_mm_ops hyp_early_alloc_mm_ops;
+s64 __ro_after_init hyp_physvirt_offset;
+
+static unsigned long base;
+static unsigned long end;
+static unsigned long cur;
+
+unsigned long hyp_early_alloc_nr_used_pages(void)
+{
+	return (cur - base) >> PAGE_SHIFT;
+}
+
+void *hyp_early_alloc_contig(unsigned int nr_pages)
+{
+	unsigned long size = (nr_pages << PAGE_SHIFT);
+	void *ret = (void *)cur;
+
+	if (!nr_pages)
+		return NULL;
+
+	if (end - cur < size)
+		return NULL;
+
+	cur += size;
+	memset(ret, 0, size);
+
+	return ret;
+}
+
+void *hyp_early_alloc_page(void *arg)
+{
+	return hyp_early_alloc_contig(1);
+}
+
+static void hyp_early_alloc_get_page(void *addr) { }
+static void hyp_early_alloc_put_page(void *addr) { }
+
+void hyp_early_alloc_init(void *virt, unsigned long size)
+{
+	base = cur = (unsigned long)virt;
+	end = base + size;
+
+	hyp_early_alloc_mm_ops.zalloc_page = hyp_early_alloc_page;
+	hyp_early_alloc_mm_ops.phys_to_virt = hyp_phys_to_virt;
+	hyp_early_alloc_mm_ops.virt_to_phys = hyp_virt_to_phys;
+	hyp_early_alloc_mm_ops.get_page = hyp_early_alloc_get_page;
+	hyp_early_alloc_mm_ops.put_page = hyp_early_alloc_put_page;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
new file mode 100644
index 0000000..3bb1efc
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -0,0 +1,734 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * FF-A v1.0 proxy to filter out invalid memory-sharing SMC calls issued by
+ * the host. FF-A is a slightly more palatable abbreviation of "Arm Firmware
+ * Framework for Arm A-profile", which is specified by Arm in document
+ * number DEN0077.
+ *
+ * Copyright (C) 2022 - Google LLC
+ * Author: Andrew Walbran <qwandor@google.com>
+ *
+ * This driver hooks into the SMC trapping logic for the host and intercepts
+ * all calls falling within the FF-A range. Each call is either:
+ *
+ *	- Forwarded on unmodified to the SPMD at EL3
+ *	- Rejected as "unsupported"
+ *	- Accompanied by a host stage-2 page-table check/update and reissued
+ *
+ * Consequently, any attempts by the host to make guest memory pages
+ * accessible to the secure world using FF-A will be detected either here
+ * (in the case that the memory is already owned by the guest) or during
+ * donation to the guest (in the case that the memory was previously shared
+ * with the secure world).
+ *
+ * To allow the rolling-back of page-table updates and FF-A calls in the
+ * event of failure, operations involving the RXTX buffers are locked for
+ * the duration and are therefore serialised.
+ */
+
+#include <linux/arm-smccc.h>
+#include <linux/arm_ffa.h>
+#include <asm/kvm_pkvm.h>
+
+#include <nvhe/ffa.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/memory.h>
+#include <nvhe/trap_handler.h>
+
+/*
+ * "ID value 0 must be returned at the Non-secure physical FF-A instance"
+ * We share this ID with the host.
+ */
+#define HOST_FFA_ID	0
+
+/*
+ * A buffer to hold the maximum descriptor size we can see from the host,
+ * which is required when the SPMD returns a fragmented FFA_MEM_RETRIEVE_RESP
+ * when resolving the handle on the reclaim path.
+ */
+struct kvm_ffa_descriptor_buffer {
+	void	*buf;
+	size_t	len;
+};
+
+static struct kvm_ffa_descriptor_buffer ffa_desc_buf;
+
+/*
+ * Note that we don't currently lock these buffers explicitly, instead
+ * relying on the locking of the host FFA buffers as we only have one
+ * client.
+ */
+static struct kvm_ffa_buffers ffa_buffers;
+
+static void ffa_to_smccc_error(struct arm_smccc_res *res, u64 ffa_errno)
+{
+	*res = (struct arm_smccc_res) {
+		.a0	= FFA_ERROR,
+		.a2	= ffa_errno,
+	};
+}
+
+static void ffa_to_smccc_res_prop(struct arm_smccc_res *res, int ret, u64 prop)
+{
+	if (ret == FFA_RET_SUCCESS) {
+		*res = (struct arm_smccc_res) { .a0 = FFA_SUCCESS,
+						.a2 = prop };
+	} else {
+		ffa_to_smccc_error(res, ret);
+	}
+}
+
+static void ffa_to_smccc_res(struct arm_smccc_res *res, int ret)
+{
+	ffa_to_smccc_res_prop(res, ret, 0);
+}
+
+static void ffa_set_retval(struct kvm_cpu_context *ctxt,
+			   struct arm_smccc_res *res)
+{
+	cpu_reg(ctxt, 0) = res->a0;
+	cpu_reg(ctxt, 1) = res->a1;
+	cpu_reg(ctxt, 2) = res->a2;
+	cpu_reg(ctxt, 3) = res->a3;
+}
+
+static bool is_ffa_call(u64 func_id)
+{
+	return ARM_SMCCC_IS_FAST_CALL(func_id) &&
+	       ARM_SMCCC_OWNER_NUM(func_id) == ARM_SMCCC_OWNER_STANDARD &&
+	       ARM_SMCCC_FUNC_NUM(func_id) >= FFA_MIN_FUNC_NUM &&
+	       ARM_SMCCC_FUNC_NUM(func_id) <= FFA_MAX_FUNC_NUM;
+}
+
+static int spmd_map_ffa_buffers(u64 ffa_page_count)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_1_1_smc(FFA_FN64_RXTX_MAP,
+			  hyp_virt_to_phys(ffa_buffers.tx),
+			  hyp_virt_to_phys(ffa_buffers.rx),
+			  ffa_page_count,
+			  0, 0, 0, 0,
+			  &res);
+
+	return res.a0 == FFA_SUCCESS ? FFA_RET_SUCCESS : res.a2;
+}
+
+static int spmd_unmap_ffa_buffers(void)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_1_1_smc(FFA_RXTX_UNMAP,
+			  HOST_FFA_ID,
+			  0, 0, 0, 0, 0, 0,
+			  &res);
+
+	return res.a0 == FFA_SUCCESS ? FFA_RET_SUCCESS : res.a2;
+}
+
+static void spmd_mem_frag_tx(struct arm_smccc_res *res, u32 handle_lo,
+			     u32 handle_hi, u32 fraglen, u32 endpoint_id)
+{
+	arm_smccc_1_1_smc(FFA_MEM_FRAG_TX,
+			  handle_lo, handle_hi, fraglen, endpoint_id,
+			  0, 0, 0,
+			  res);
+}
+
+static void spmd_mem_frag_rx(struct arm_smccc_res *res, u32 handle_lo,
+			     u32 handle_hi, u32 fragoff)
+{
+	arm_smccc_1_1_smc(FFA_MEM_FRAG_RX,
+			  handle_lo, handle_hi, fragoff, HOST_FFA_ID,
+			  0, 0, 0,
+			  res);
+}
+
+static void spmd_mem_xfer(struct arm_smccc_res *res, u64 func_id, u32 len,
+			  u32 fraglen)
+{
+	arm_smccc_1_1_smc(func_id, len, fraglen,
+			  0, 0, 0, 0, 0,
+			  res);
+}
+
+static void spmd_mem_reclaim(struct arm_smccc_res *res, u32 handle_lo,
+			     u32 handle_hi, u32 flags)
+{
+	arm_smccc_1_1_smc(FFA_MEM_RECLAIM,
+			  handle_lo, handle_hi, flags,
+			  0, 0, 0, 0,
+			  res);
+}
+
+static void spmd_retrieve_req(struct arm_smccc_res *res, u32 len)
+{
+	arm_smccc_1_1_smc(FFA_FN64_MEM_RETRIEVE_REQ,
+			  len, len,
+			  0, 0, 0, 0, 0,
+			  res);
+}
+
+static void do_ffa_rxtx_map(struct arm_smccc_res *res,
+			    struct kvm_cpu_context *ctxt)
+{
+	DECLARE_REG(phys_addr_t, tx, ctxt, 1);
+	DECLARE_REG(phys_addr_t, rx, ctxt, 2);
+	DECLARE_REG(u32, npages, ctxt, 3);
+	int ret = 0;
+	void *rx_virt, *tx_virt;
+
+	if (npages != (KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) / FFA_PAGE_SIZE) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out;
+	}
+
+	if (!PAGE_ALIGNED(tx) || !PAGE_ALIGNED(rx)) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out;
+	}
+
+	hyp_spin_lock(&host_kvm.ffa.lock);
+	if (host_kvm.ffa.tx) {
+		ret = FFA_RET_DENIED;
+		goto out_unlock;
+	}
+
+	ret = spmd_map_ffa_buffers(npages);
+	if (ret)
+		goto out_unlock;
+
+	ret = __pkvm_host_share_hyp(hyp_phys_to_pfn(tx));
+	if (ret) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto err_unmap;
+	}
+
+	ret = __pkvm_host_share_hyp(hyp_phys_to_pfn(rx));
+	if (ret) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto err_unshare_tx;
+	}
+
+	tx_virt = hyp_phys_to_virt(tx);
+	ret = hyp_pin_shared_mem(tx_virt, tx_virt + 1);
+	if (ret) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto err_unshare_rx;
+	}
+
+	rx_virt = hyp_phys_to_virt(rx);
+	ret = hyp_pin_shared_mem(rx_virt, rx_virt + 1);
+	if (ret) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto err_unpin_tx;
+	}
+
+	host_kvm.ffa.tx = tx_virt;
+	host_kvm.ffa.rx = rx_virt;
+
+out_unlock:
+	hyp_spin_unlock(&host_kvm.ffa.lock);
+out:
+	ffa_to_smccc_res(res, ret);
+	return;
+
+err_unpin_tx:
+	hyp_unpin_shared_mem(tx_virt, tx_virt + 1);
+err_unshare_rx:
+	__pkvm_host_unshare_hyp(hyp_phys_to_pfn(rx));
+err_unshare_tx:
+	__pkvm_host_unshare_hyp(hyp_phys_to_pfn(tx));
+err_unmap:
+	spmd_unmap_ffa_buffers();
+	goto out_unlock;
+}
+
+static void do_ffa_rxtx_unmap(struct arm_smccc_res *res,
+			      struct kvm_cpu_context *ctxt)
+{
+	DECLARE_REG(u32, id, ctxt, 1);
+	int ret = 0;
+
+	if (id != HOST_FFA_ID) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out;
+	}
+
+	hyp_spin_lock(&host_kvm.ffa.lock);
+	if (!host_kvm.ffa.tx) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out_unlock;
+	}
+
+	hyp_unpin_shared_mem(host_kvm.ffa.tx, host_kvm.ffa.tx + 1);
+	WARN_ON(__pkvm_host_unshare_hyp(hyp_virt_to_pfn(host_kvm.ffa.tx)));
+	host_kvm.ffa.tx = NULL;
+
+	hyp_unpin_shared_mem(host_kvm.ffa.rx, host_kvm.ffa.rx + 1);
+	WARN_ON(__pkvm_host_unshare_hyp(hyp_virt_to_pfn(host_kvm.ffa.rx)));
+	host_kvm.ffa.rx = NULL;
+
+	spmd_unmap_ffa_buffers();
+
+out_unlock:
+	hyp_spin_unlock(&host_kvm.ffa.lock);
+out:
+	ffa_to_smccc_res(res, ret);
+}
+
+static u32 __ffa_host_share_ranges(struct ffa_mem_region_addr_range *ranges,
+				   u32 nranges)
+{
+	u32 i;
+
+	for (i = 0; i < nranges; ++i) {
+		struct ffa_mem_region_addr_range *range = &ranges[i];
+		u64 sz = (u64)range->pg_cnt * FFA_PAGE_SIZE;
+		u64 pfn = hyp_phys_to_pfn(range->address);
+
+		if (!PAGE_ALIGNED(sz))
+			break;
+
+		if (__pkvm_host_share_ffa(pfn, sz / PAGE_SIZE))
+			break;
+	}
+
+	return i;
+}
+
+static u32 __ffa_host_unshare_ranges(struct ffa_mem_region_addr_range *ranges,
+				     u32 nranges)
+{
+	u32 i;
+
+	for (i = 0; i < nranges; ++i) {
+		struct ffa_mem_region_addr_range *range = &ranges[i];
+		u64 sz = (u64)range->pg_cnt * FFA_PAGE_SIZE;
+		u64 pfn = hyp_phys_to_pfn(range->address);
+
+		if (!PAGE_ALIGNED(sz))
+			break;
+
+		if (__pkvm_host_unshare_ffa(pfn, sz / PAGE_SIZE))
+			break;
+	}
+
+	return i;
+}
+
+static int ffa_host_share_ranges(struct ffa_mem_region_addr_range *ranges,
+				 u32 nranges)
+{
+	u32 nshared = __ffa_host_share_ranges(ranges, nranges);
+	int ret = 0;
+
+	if (nshared != nranges) {
+		WARN_ON(__ffa_host_unshare_ranges(ranges, nshared) != nshared);
+		ret = FFA_RET_DENIED;
+	}
+
+	return ret;
+}
+
+static int ffa_host_unshare_ranges(struct ffa_mem_region_addr_range *ranges,
+				   u32 nranges)
+{
+	u32 nunshared = __ffa_host_unshare_ranges(ranges, nranges);
+	int ret = 0;
+
+	if (nunshared != nranges) {
+		WARN_ON(__ffa_host_share_ranges(ranges, nunshared) != nunshared);
+		ret = FFA_RET_DENIED;
+	}
+
+	return ret;
+}
+
+static void do_ffa_mem_frag_tx(struct arm_smccc_res *res,
+			       struct kvm_cpu_context *ctxt)
+{
+	DECLARE_REG(u32, handle_lo, ctxt, 1);
+	DECLARE_REG(u32, handle_hi, ctxt, 2);
+	DECLARE_REG(u32, fraglen, ctxt, 3);
+	DECLARE_REG(u32, endpoint_id, ctxt, 4);
+	struct ffa_mem_region_addr_range *buf;
+	int ret = FFA_RET_INVALID_PARAMETERS;
+	u32 nr_ranges;
+
+	if (fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE)
+		goto out;
+
+	if (fraglen % sizeof(*buf))
+		goto out;
+
+	hyp_spin_lock(&host_kvm.ffa.lock);
+	if (!host_kvm.ffa.tx)
+		goto out_unlock;
+
+	buf = ffa_buffers.tx;
+	memcpy(buf, host_kvm.ffa.tx, fraglen);
+	nr_ranges = fraglen / sizeof(*buf);
+
+	ret = ffa_host_share_ranges(buf, nr_ranges);
+	if (ret) {
+		/*
+		 * We're effectively aborting the transaction, so we need
+		 * to restore the global state back to what it was prior to
+		 * transmission of the first fragment.
+		 */
+		spmd_mem_reclaim(res, handle_lo, handle_hi, 0);
+		WARN_ON(res->a0 != FFA_SUCCESS);
+		goto out_unlock;
+	}
+
+	spmd_mem_frag_tx(res, handle_lo, handle_hi, fraglen, endpoint_id);
+	if (res->a0 != FFA_SUCCESS && res->a0 != FFA_MEM_FRAG_RX)
+		WARN_ON(ffa_host_unshare_ranges(buf, nr_ranges));
+
+out_unlock:
+	hyp_spin_unlock(&host_kvm.ffa.lock);
+out:
+	if (ret)
+		ffa_to_smccc_res(res, ret);
+
+	/*
+	 * If for any reason this did not succeed, we're in trouble as we have
+	 * now lost the content of the previous fragments and we can't rollback
+	 * the host stage-2 changes. The pages previously marked as shared will
+	 * remain stuck in that state forever, hence preventing the host from
+	 * sharing/donating them again and may possibly lead to subsequent
+	 * failures, but this will not compromise confidentiality.
+	 */
+	return;
+}
+
+static __always_inline void do_ffa_mem_xfer(const u64 func_id,
+					    struct arm_smccc_res *res,
+					    struct kvm_cpu_context *ctxt)
+{
+	DECLARE_REG(u32, len, ctxt, 1);
+	DECLARE_REG(u32, fraglen, ctxt, 2);
+	DECLARE_REG(u64, addr_mbz, ctxt, 3);
+	DECLARE_REG(u32, npages_mbz, ctxt, 4);
+	struct ffa_composite_mem_region *reg;
+	struct ffa_mem_region *buf;
+	u32 offset, nr_ranges;
+	int ret = 0;
+
+	BUILD_BUG_ON(func_id != FFA_FN64_MEM_SHARE &&
+		     func_id != FFA_FN64_MEM_LEND);
+
+	if (addr_mbz || npages_mbz || fraglen > len ||
+	    fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out;
+	}
+
+	if (fraglen < sizeof(struct ffa_mem_region) +
+		      sizeof(struct ffa_mem_region_attributes)) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out;
+	}
+
+	hyp_spin_lock(&host_kvm.ffa.lock);
+	if (!host_kvm.ffa.tx) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out_unlock;
+	}
+
+	buf = ffa_buffers.tx;
+	memcpy(buf, host_kvm.ffa.tx, fraglen);
+
+	offset = buf->ep_mem_access[0].composite_off;
+	if (!offset || buf->ep_count != 1 || buf->sender_id != HOST_FFA_ID) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out_unlock;
+	}
+
+	if (fraglen < offset + sizeof(struct ffa_composite_mem_region)) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out_unlock;
+	}
+
+	reg = (void *)buf + offset;
+	nr_ranges = ((void *)buf + fraglen) - (void *)reg->constituents;
+	if (nr_ranges % sizeof(reg->constituents[0])) {
+		ret = FFA_RET_INVALID_PARAMETERS;
+		goto out_unlock;
+	}
+
+	nr_ranges /= sizeof(reg->constituents[0]);
+	ret = ffa_host_share_ranges(reg->constituents, nr_ranges);
+	if (ret)
+		goto out_unlock;
+
+	spmd_mem_xfer(res, func_id, len, fraglen);
+	if (fraglen != len) {
+		if (res->a0 != FFA_MEM_FRAG_RX)
+			goto err_unshare;
+
+		if (res->a3 != fraglen)
+			goto err_unshare;
+	} else if (res->a0 != FFA_SUCCESS) {
+		goto err_unshare;
+	}
+
+out_unlock:
+	hyp_spin_unlock(&host_kvm.ffa.lock);
+out:
+	if (ret)
+		ffa_to_smccc_res(res, ret);
+	return;
+
+err_unshare:
+	WARN_ON(ffa_host_unshare_ranges(reg->constituents, nr_ranges));
+	goto out_unlock;
+}
+
+static void do_ffa_mem_reclaim(struct arm_smccc_res *res,
+			       struct kvm_cpu_context *ctxt)
+{
+	DECLARE_REG(u32, handle_lo, ctxt, 1);
+	DECLARE_REG(u32, handle_hi, ctxt, 2);
+	DECLARE_REG(u32, flags, ctxt, 3);
+	struct ffa_composite_mem_region *reg;
+	u32 offset, len, fraglen, fragoff;
+	struct ffa_mem_region *buf;
+	int ret = 0;
+	u64 handle;
+
+	handle = PACK_HANDLE(handle_lo, handle_hi);
+
+	hyp_spin_lock(&host_kvm.ffa.lock);
+
+	buf = ffa_buffers.tx;
+	*buf = (struct ffa_mem_region) {
+		.sender_id	= HOST_FFA_ID,
+		.handle		= handle,
+	};
+
+	spmd_retrieve_req(res, sizeof(*buf));
+	buf = ffa_buffers.rx;
+	if (res->a0 != FFA_MEM_RETRIEVE_RESP)
+		goto out_unlock;
+
+	len = res->a1;
+	fraglen = res->a2;
+
+	offset = buf->ep_mem_access[0].composite_off;
+	/*
+	 * We can trust the SPMD to get this right, but let's at least
+	 * check that we end up with something that doesn't look _completely_
+	 * bogus.
+	 */
+	if (WARN_ON(offset > len ||
+		    fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE)) {
+		ret = FFA_RET_ABORTED;
+		goto out_unlock;
+	}
+
+	if (len > ffa_desc_buf.len) {
+		ret = FFA_RET_NO_MEMORY;
+		goto out_unlock;
+	}
+
+	buf = ffa_desc_buf.buf;
+	memcpy(buf, ffa_buffers.rx, fraglen);
+
+	for (fragoff = fraglen; fragoff < len; fragoff += fraglen) {
+		spmd_mem_frag_rx(res, handle_lo, handle_hi, fragoff);
+		if (res->a0 != FFA_MEM_FRAG_TX) {
+			ret = FFA_RET_INVALID_PARAMETERS;
+			goto out_unlock;
+		}
+
+		fraglen = res->a3;
+		memcpy((void *)buf + fragoff, ffa_buffers.rx, fraglen);
+	}
+
+	spmd_mem_reclaim(res, handle_lo, handle_hi, flags);
+	if (res->a0 != FFA_SUCCESS)
+		goto out_unlock;
+
+	reg = (void *)buf + offset;
+	/* If the SPMD was happy, then we should be too. */
+	WARN_ON(ffa_host_unshare_ranges(reg->constituents,
+					reg->addr_range_cnt));
+out_unlock:
+	hyp_spin_unlock(&host_kvm.ffa.lock);
+
+	if (ret)
+		ffa_to_smccc_res(res, ret);
+	return;
+}
+
+static bool ffa_call_unsupported(u64 func_id)
+{
+	switch (func_id) {
+	/* Unsupported memory management calls */
+	case FFA_FN64_MEM_RETRIEVE_REQ:
+	case FFA_MEM_RETRIEVE_RESP:
+	case FFA_MEM_RELINQUISH:
+	case FFA_MEM_OP_PAUSE:
+	case FFA_MEM_OP_RESUME:
+	case FFA_MEM_FRAG_RX:
+	case FFA_FN64_MEM_DONATE:
+	/* Indirect message passing via RX/TX buffers */
+	case FFA_MSG_SEND:
+	case FFA_MSG_POLL:
+	case FFA_MSG_WAIT:
+	/* 32-bit variants of 64-bit calls */
+	case FFA_MSG_SEND_DIRECT_REQ:
+	case FFA_MSG_SEND_DIRECT_RESP:
+	case FFA_RXTX_MAP:
+	case FFA_MEM_DONATE:
+	case FFA_MEM_RETRIEVE_REQ:
+		return true;
+	}
+
+	return false;
+}
+
+static bool do_ffa_features(struct arm_smccc_res *res,
+			    struct kvm_cpu_context *ctxt)
+{
+	DECLARE_REG(u32, id, ctxt, 1);
+	u64 prop = 0;
+	int ret = 0;
+
+	if (ffa_call_unsupported(id)) {
+		ret = FFA_RET_NOT_SUPPORTED;
+		goto out_handled;
+	}
+
+	switch (id) {
+	case FFA_MEM_SHARE:
+	case FFA_FN64_MEM_SHARE:
+	case FFA_MEM_LEND:
+	case FFA_FN64_MEM_LEND:
+		ret = FFA_RET_SUCCESS;
+		prop = 0; /* No support for dynamic buffers */
+		goto out_handled;
+	default:
+		return false;
+	}
+
+out_handled:
+	ffa_to_smccc_res_prop(res, ret, prop);
+	return true;
+}
+
+bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, func_id, host_ctxt, 0);
+	struct arm_smccc_res res;
+
+	if (!is_ffa_call(func_id))
+		return false;
+
+	switch (func_id) {
+	case FFA_FEATURES:
+		if (!do_ffa_features(&res, host_ctxt))
+			return false;
+		goto out_handled;
+	/* Memory management */
+	case FFA_FN64_RXTX_MAP:
+		do_ffa_rxtx_map(&res, host_ctxt);
+		goto out_handled;
+	case FFA_RXTX_UNMAP:
+		do_ffa_rxtx_unmap(&res, host_ctxt);
+		goto out_handled;
+	case FFA_MEM_SHARE:
+	case FFA_FN64_MEM_SHARE:
+		do_ffa_mem_xfer(FFA_FN64_MEM_SHARE, &res, host_ctxt);
+		goto out_handled;
+	case FFA_MEM_RECLAIM:
+		do_ffa_mem_reclaim(&res, host_ctxt);
+		goto out_handled;
+	case FFA_MEM_LEND:
+	case FFA_FN64_MEM_LEND:
+		do_ffa_mem_xfer(FFA_FN64_MEM_LEND, &res, host_ctxt);
+		goto out_handled;
+	case FFA_MEM_FRAG_TX:
+		do_ffa_mem_frag_tx(&res, host_ctxt);
+		goto out_handled;
+	}
+
+	if (!ffa_call_unsupported(func_id))
+		return false; /* Pass through */
+
+	ffa_to_smccc_error(&res, FFA_RET_NOT_SUPPORTED);
+out_handled:
+	ffa_set_retval(host_ctxt, &res);
+	return true;
+}
+
+int hyp_ffa_init(void *pages)
+{
+	struct arm_smccc_res res;
+	size_t min_rxtx_sz;
+	void *tx, *rx;
+
+	if (kvm_host_psci_config.smccc_version < ARM_SMCCC_VERSION_1_1)
+		return 0;
+
+	arm_smccc_1_1_smc(FFA_VERSION, FFA_VERSION_1_0, 0, 0, 0, 0, 0, 0, &res);
+	if (res.a0 == FFA_RET_NOT_SUPPORTED)
+		return 0;
+
+	if (res.a0 != FFA_VERSION_1_0)
+		return -EOPNOTSUPP;
+
+	arm_smccc_1_1_smc(FFA_ID_GET, 0, 0, 0, 0, 0, 0, 0, &res);
+	if (res.a0 != FFA_SUCCESS)
+		return -EOPNOTSUPP;
+
+	if (res.a2 != HOST_FFA_ID)
+		return -EINVAL;
+
+	arm_smccc_1_1_smc(FFA_FEATURES, FFA_FN64_RXTX_MAP,
+			  0, 0, 0, 0, 0, 0, &res);
+	if (res.a0 != FFA_SUCCESS)
+		return -EOPNOTSUPP;
+
+	switch (res.a2) {
+	case FFA_FEAT_RXTX_MIN_SZ_4K:
+		min_rxtx_sz = SZ_4K;
+		break;
+	case FFA_FEAT_RXTX_MIN_SZ_16K:
+		min_rxtx_sz = SZ_16K;
+		break;
+	case FFA_FEAT_RXTX_MIN_SZ_64K:
+		min_rxtx_sz = SZ_64K;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (min_rxtx_sz > PAGE_SIZE)
+		return -EOPNOTSUPP;
+
+	tx = pages;
+	pages += KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE;
+	rx = pages;
+	pages += KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE;
+
+	ffa_desc_buf = (struct kvm_ffa_descriptor_buffer) {
+		.buf	= pages,
+		.len	= PAGE_SIZE *
+			  (hyp_ffa_proxy_pages() - (2 * KVM_FFA_MBOX_NR_PAGES)),
+	};
+
+	ffa_buffers = (struct kvm_ffa_buffers) {
+		.lock	= __HYP_SPIN_LOCK_UNLOCKED,
+		.tx	= tx,
+		.rx	= rx,
+	};
+
+	host_kvm.ffa = (struct kvm_ffa_buffers) {
+		.lock	= __HYP_SPIN_LOCK_UNLOCKED,
+	};
+
+	return 0;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c b/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c
new file mode 100644
index 0000000..6bc88a7
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c
@@ -0,0 +1,456 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ *
+ * Generates relocation information used by the kernel to convert
+ * absolute addresses in hyp data from kernel VAs to hyp VAs.
+ *
+ * This is necessary because hyp code is linked into the same binary
+ * as the kernel but executes under different memory mappings.
+ * If the compiler used absolute addressing, those addresses need to
+ * be converted before they are used by hyp code.
+ *
+ * The input of this program is the relocatable ELF object containing
+ * all hyp code/data, not yet linked into vmlinux. Hyp section names
+ * should have been prefixed with `.hyp` at this point.
+ *
+ * The output (printed to stdout) is an assembly file containing
+ * an array of 32-bit integers and static relocations that instruct
+ * the linker of `vmlinux` to populate the array entries with offsets
+ * to positions in the kernel binary containing VAs used by hyp code.
+ *
+ * Note that dynamic relocations could be used for the same purpose.
+ * However, those are only generated if CONFIG_RELOCATABLE=y.
+ */
+
+#include <elf.h>
+#include <endian.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <generated/autoconf.h>
+
+#define HYP_SECTION_PREFIX		".hyp"
+#define HYP_RELOC_SECTION		".hyp.reloc"
+#define HYP_SECTION_SYMBOL_PREFIX	"__hyp_section_"
+
+/*
+ * AArch64 relocation type constants.
+ * Included in case these are not defined in the host toolchain.
+ */
+#ifndef R_AARCH64_ABS64
+#define R_AARCH64_ABS64			257
+#endif
+#ifndef R_AARCH64_PREL64
+#define R_AARCH64_PREL64		260
+#endif
+#ifndef R_AARCH64_PREL32
+#define R_AARCH64_PREL32		261
+#endif
+#ifndef R_AARCH64_PREL16
+#define R_AARCH64_PREL16		262
+#endif
+#ifndef R_AARCH64_PLT32
+#define R_AARCH64_PLT32			314
+#endif
+#ifndef R_AARCH64_LD_PREL_LO19
+#define R_AARCH64_LD_PREL_LO19		273
+#endif
+#ifndef R_AARCH64_ADR_PREL_LO21
+#define R_AARCH64_ADR_PREL_LO21		274
+#endif
+#ifndef R_AARCH64_ADR_PREL_PG_HI21
+#define R_AARCH64_ADR_PREL_PG_HI21	275
+#endif
+#ifndef R_AARCH64_ADR_PREL_PG_HI21_NC
+#define R_AARCH64_ADR_PREL_PG_HI21_NC	276
+#endif
+#ifndef R_AARCH64_ADD_ABS_LO12_NC
+#define R_AARCH64_ADD_ABS_LO12_NC	277
+#endif
+#ifndef R_AARCH64_LDST8_ABS_LO12_NC
+#define R_AARCH64_LDST8_ABS_LO12_NC	278
+#endif
+#ifndef R_AARCH64_TSTBR14
+#define R_AARCH64_TSTBR14		279
+#endif
+#ifndef R_AARCH64_CONDBR19
+#define R_AARCH64_CONDBR19		280
+#endif
+#ifndef R_AARCH64_JUMP26
+#define R_AARCH64_JUMP26		282
+#endif
+#ifndef R_AARCH64_CALL26
+#define R_AARCH64_CALL26		283
+#endif
+#ifndef R_AARCH64_LDST16_ABS_LO12_NC
+#define R_AARCH64_LDST16_ABS_LO12_NC	284
+#endif
+#ifndef R_AARCH64_LDST32_ABS_LO12_NC
+#define R_AARCH64_LDST32_ABS_LO12_NC	285
+#endif
+#ifndef R_AARCH64_LDST64_ABS_LO12_NC
+#define R_AARCH64_LDST64_ABS_LO12_NC	286
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G0
+#define R_AARCH64_MOVW_PREL_G0		287
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G0_NC
+#define R_AARCH64_MOVW_PREL_G0_NC	288
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G1
+#define R_AARCH64_MOVW_PREL_G1		289
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G1_NC
+#define R_AARCH64_MOVW_PREL_G1_NC	290
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G2
+#define R_AARCH64_MOVW_PREL_G2		291
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G2_NC
+#define R_AARCH64_MOVW_PREL_G2_NC	292
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G3
+#define R_AARCH64_MOVW_PREL_G3		293
+#endif
+#ifndef R_AARCH64_LDST128_ABS_LO12_NC
+#define R_AARCH64_LDST128_ABS_LO12_NC	299
+#endif
+
+/* Global state of the processed ELF. */
+static struct {
+	const char	*path;
+	char		*begin;
+	size_t		size;
+	Elf64_Ehdr	*ehdr;
+	Elf64_Shdr	*sh_table;
+	const char	*sh_string;
+} elf;
+
+#if defined(CONFIG_CPU_LITTLE_ENDIAN)
+
+#define elf16toh(x)	le16toh(x)
+#define elf32toh(x)	le32toh(x)
+#define elf64toh(x)	le64toh(x)
+
+#define ELFENDIAN	ELFDATA2LSB
+
+#elif defined(CONFIG_CPU_BIG_ENDIAN)
+
+#define elf16toh(x)	be16toh(x)
+#define elf32toh(x)	be32toh(x)
+#define elf64toh(x)	be64toh(x)
+
+#define ELFENDIAN	ELFDATA2MSB
+
+#else
+
+#error PDP-endian sadly unsupported...
+
+#endif
+
+#define fatal_error(fmt, ...)						\
+	({								\
+		fprintf(stderr, "error: %s: " fmt "\n",			\
+			elf.path, ## __VA_ARGS__);			\
+		exit(EXIT_FAILURE);					\
+		__builtin_unreachable();				\
+	})
+
+#define fatal_perror(msg)						\
+	({								\
+		fprintf(stderr, "error: %s: " msg ": %s\n",		\
+			elf.path, strerror(errno));			\
+		exit(EXIT_FAILURE);					\
+		__builtin_unreachable();				\
+	})
+
+#define assert_op(lhs, rhs, fmt, op)					\
+	({								\
+		typeof(lhs) _lhs = (lhs);				\
+		typeof(rhs) _rhs = (rhs);				\
+									\
+		if (!(_lhs op _rhs)) {					\
+			fatal_error("assertion " #lhs " " #op " " #rhs	\
+				" failed (lhs=" fmt ", rhs=" fmt	\
+				", line=%d)", _lhs, _rhs, __LINE__);	\
+		}							\
+	})
+
+#define assert_eq(lhs, rhs, fmt)	assert_op(lhs, rhs, fmt, ==)
+#define assert_ne(lhs, rhs, fmt)	assert_op(lhs, rhs, fmt, !=)
+#define assert_lt(lhs, rhs, fmt)	assert_op(lhs, rhs, fmt, <)
+#define assert_ge(lhs, rhs, fmt)	assert_op(lhs, rhs, fmt, >=)
+
+/*
+ * Return a pointer of a given type at a given offset from
+ * the beginning of the ELF file.
+ */
+#define elf_ptr(type, off) ((type *)(elf.begin + (off)))
+
+/* Iterate over all sections in the ELF. */
+#define for_each_section(var) \
+	for (var = elf.sh_table; var < elf.sh_table + elf16toh(elf.ehdr->e_shnum); ++var)
+
+/* Iterate over all Elf64_Rela relocations in a given section. */
+#define for_each_rela(shdr, var)					\
+	for (var = elf_ptr(Elf64_Rela, elf64toh(shdr->sh_offset));	\
+	     var < elf_ptr(Elf64_Rela, elf64toh(shdr->sh_offset) + elf64toh(shdr->sh_size)); var++)
+
+/* True if a string starts with a given prefix. */
+static inline bool starts_with(const char *str, const char *prefix)
+{
+	return memcmp(str, prefix, strlen(prefix)) == 0;
+}
+
+/* Returns a string containing the name of a given section. */
+static inline const char *section_name(Elf64_Shdr *shdr)
+{
+	return elf.sh_string + elf32toh(shdr->sh_name);
+}
+
+/* Returns a pointer to the first byte of section data. */
+static inline const char *section_begin(Elf64_Shdr *shdr)
+{
+	return elf_ptr(char, elf64toh(shdr->sh_offset));
+}
+
+/* Find a section by its offset from the beginning of the file. */
+static inline Elf64_Shdr *section_by_off(Elf64_Off off)
+{
+	assert_ne(off, 0UL, "%lu");
+	return elf_ptr(Elf64_Shdr, off);
+}
+
+/* Find a section by its index. */
+static inline Elf64_Shdr *section_by_idx(uint16_t idx)
+{
+	assert_ne(idx, SHN_UNDEF, "%u");
+	return &elf.sh_table[idx];
+}
+
+/*
+ * Memory-map the given ELF file, perform sanity checks, and
+ * populate global state.
+ */
+static void init_elf(const char *path)
+{
+	int fd, ret;
+	struct stat stat;
+
+	/* Store path in the global struct for error printing. */
+	elf.path = path;
+
+	/* Open the ELF file. */
+	fd = open(path, O_RDONLY);
+	if (fd < 0)
+		fatal_perror("Could not open ELF file");
+
+	/* Get status of ELF file to obtain its size. */
+	ret = fstat(fd, &stat);
+	if (ret < 0) {
+		close(fd);
+		fatal_perror("Could not get status of ELF file");
+	}
+
+	/* mmap() the entire ELF file read-only at an arbitrary address. */
+	elf.begin = mmap(0, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+	if (elf.begin == MAP_FAILED) {
+		close(fd);
+		fatal_perror("Could not mmap ELF file");
+	}
+
+	/* mmap() was successful, close the FD. */
+	close(fd);
+
+	/* Get pointer to the ELF header. */
+	assert_ge(stat.st_size, sizeof(*elf.ehdr), "%lu");
+	elf.ehdr = elf_ptr(Elf64_Ehdr, 0);
+
+	/* Check the ELF magic. */
+	assert_eq(elf.ehdr->e_ident[EI_MAG0], ELFMAG0, "0x%x");
+	assert_eq(elf.ehdr->e_ident[EI_MAG1], ELFMAG1, "0x%x");
+	assert_eq(elf.ehdr->e_ident[EI_MAG2], ELFMAG2, "0x%x");
+	assert_eq(elf.ehdr->e_ident[EI_MAG3], ELFMAG3, "0x%x");
+
+	/* Sanity check that this is an ELF64 relocatable object for AArch64. */
+	assert_eq(elf.ehdr->e_ident[EI_CLASS], ELFCLASS64, "%u");
+	assert_eq(elf.ehdr->e_ident[EI_DATA], ELFENDIAN, "%u");
+	assert_eq(elf16toh(elf.ehdr->e_type), ET_REL, "%u");
+	assert_eq(elf16toh(elf.ehdr->e_machine), EM_AARCH64, "%u");
+
+	/* Populate fields of the global struct. */
+	elf.sh_table = section_by_off(elf64toh(elf.ehdr->e_shoff));
+	elf.sh_string = section_begin(section_by_idx(elf16toh(elf.ehdr->e_shstrndx)));
+}
+
+/* Print the prologue of the output ASM file. */
+static void emit_prologue(void)
+{
+	printf(".data\n"
+	       ".pushsection " HYP_RELOC_SECTION ", \"a\"\n");
+}
+
+/* Print ASM statements needed as a prologue to a processed hyp section. */
+static void emit_section_prologue(const char *sh_orig_name)
+{
+	/* Declare the hyp section symbol. */
+	printf(".global %s%s\n", HYP_SECTION_SYMBOL_PREFIX, sh_orig_name);
+}
+
+/*
+ * Print ASM statements to create a hyp relocation entry for a given
+ * R_AARCH64_ABS64 relocation.
+ *
+ * The linker of vmlinux will populate the position given by `rela` with
+ * an absolute 64-bit kernel VA. If the kernel is relocatable, it will
+ * also generate a dynamic relocation entry so that the kernel can shift
+ * the address at runtime for KASLR.
+ *
+ * Emit a 32-bit offset from the current address to the position given
+ * by `rela`. This way the kernel can iterate over all kernel VAs used
+ * by hyp at runtime and convert them to hyp VAs. However, that offset
+ * will not be known until linking of `vmlinux`, so emit a PREL32
+ * relocation referencing a symbol that the hyp linker script put at
+ * the beginning of the relocated section + the offset from `rela`.
+ */
+static void emit_rela_abs64(Elf64_Rela *rela, const char *sh_orig_name)
+{
+	/* Offset of this reloc from the beginning of HYP_RELOC_SECTION. */
+	static size_t reloc_offset;
+
+	/* Create storage for the 32-bit offset. */
+	printf(".word 0\n");
+
+	/*
+	 * Create a PREL32 relocation which instructs the linker of `vmlinux`
+	 * to insert offset to position <base> + <offset>, where <base> is
+	 * a symbol at the beginning of the relocated section, and <offset>
+	 * is `rela->r_offset`.
+	 */
+	printf(".reloc %lu, R_AARCH64_PREL32, %s%s + 0x%lx\n",
+	       reloc_offset, HYP_SECTION_SYMBOL_PREFIX, sh_orig_name,
+	       elf64toh(rela->r_offset));
+
+	reloc_offset += 4;
+}
+
+/* Print the epilogue of the output ASM file. */
+static void emit_epilogue(void)
+{
+	printf(".popsection\n");
+}
+
+/*
+ * Iterate over all RELA relocations in a given section and emit
+ * hyp relocation data for all absolute addresses in hyp code/data.
+ *
+ * Static relocations that generate PC-relative-addressing are ignored.
+ * Failure is reported for unexpected relocation types.
+ */
+static void emit_rela_section(Elf64_Shdr *sh_rela)
+{
+	Elf64_Shdr *sh_orig = &elf.sh_table[elf32toh(sh_rela->sh_info)];
+	const char *sh_orig_name = section_name(sh_orig);
+	Elf64_Rela *rela;
+
+	/* Skip all non-hyp sections. */
+	if (!starts_with(sh_orig_name, HYP_SECTION_PREFIX))
+		return;
+
+	emit_section_prologue(sh_orig_name);
+
+	for_each_rela(sh_rela, rela) {
+		uint32_t type = (uint32_t)elf64toh(rela->r_info);
+
+		/* Check that rela points inside the relocated section. */
+		assert_lt(elf64toh(rela->r_offset), elf64toh(sh_orig->sh_size), "0x%lx");
+
+		switch (type) {
+		/*
+		 * Data relocations to generate absolute addressing.
+		 * Emit a hyp relocation.
+		 */
+		case R_AARCH64_ABS64:
+			emit_rela_abs64(rela, sh_orig_name);
+			break;
+		/* Allow position-relative data relocations. */
+		case R_AARCH64_PREL64:
+		case R_AARCH64_PREL32:
+		case R_AARCH64_PREL16:
+		case R_AARCH64_PLT32:
+			break;
+		/* Allow relocations to generate PC-relative addressing. */
+		case R_AARCH64_LD_PREL_LO19:
+		case R_AARCH64_ADR_PREL_LO21:
+		case R_AARCH64_ADR_PREL_PG_HI21:
+		case R_AARCH64_ADR_PREL_PG_HI21_NC:
+		case R_AARCH64_ADD_ABS_LO12_NC:
+		case R_AARCH64_LDST8_ABS_LO12_NC:
+		case R_AARCH64_LDST16_ABS_LO12_NC:
+		case R_AARCH64_LDST32_ABS_LO12_NC:
+		case R_AARCH64_LDST64_ABS_LO12_NC:
+		case R_AARCH64_LDST128_ABS_LO12_NC:
+			break;
+		/* Allow relative relocations for control-flow instructions. */
+		case R_AARCH64_TSTBR14:
+		case R_AARCH64_CONDBR19:
+		case R_AARCH64_JUMP26:
+		case R_AARCH64_CALL26:
+			break;
+		/* Allow group relocations to create PC-relative offset inline. */
+		case R_AARCH64_MOVW_PREL_G0:
+		case R_AARCH64_MOVW_PREL_G0_NC:
+		case R_AARCH64_MOVW_PREL_G1:
+		case R_AARCH64_MOVW_PREL_G1_NC:
+		case R_AARCH64_MOVW_PREL_G2:
+		case R_AARCH64_MOVW_PREL_G2_NC:
+		case R_AARCH64_MOVW_PREL_G3:
+			break;
+		default:
+			fatal_error("Unexpected RELA type %u", type);
+		}
+	}
+}
+
+/* Iterate over all sections and emit hyp relocation data for RELA sections. */
+static void emit_all_relocs(void)
+{
+	Elf64_Shdr *shdr;
+
+	for_each_section(shdr) {
+		switch (elf32toh(shdr->sh_type)) {
+		case SHT_REL:
+			fatal_error("Unexpected SHT_REL section \"%s\"",
+				section_name(shdr));
+		case SHT_RELA:
+			emit_rela_section(shdr);
+			break;
+		}
+	}
+}
+
+int main(int argc, const char **argv)
+{
+	if (argc != 2) {
+		fprintf(stderr, "Usage: %s <elf_input>\n", argv[0]);
+		return EXIT_FAILURE;
+	}
+
+	init_elf(argv[1]);
+
+	emit_prologue();
+	emit_all_relocs();
+	emit_epilogue();
+
+	return EXIT_SUCCESS;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/host.S b/arch/arm64/kvm/hyp/nvhe/host.S
index 4f57a80..85788e5 100644
--- a/arch/arm64/kvm/hyp/nvhe/host.S
+++ b/arch/arm64/kvm/hyp/nvhe/host.S
@@ -7,14 +7,13 @@
 #include <linux/linkage.h>
 
 #include <asm/assembler.h>
+#include <asm/kvm_arm.h>
 #include <asm/kvm_asm.h>
 #include <asm/kvm_mmu.h>
 
 	.text
 
 SYM_FUNC_START(__host_exit)
-	stp	x0, x1, [sp, #-16]!
-
 	get_host_ctxt	x0, x1
 
 	/* Store the host regs x2 and x3 */
@@ -41,6 +40,7 @@
 	bl	handle_trap
 
 	/* Restore host regs x0-x17 */
+__host_enter_restore_full:
 	ldp	x0, x1,   [x29, #CPU_XREG_OFFSET(0)]
 	ldp	x2, x3,   [x29, #CPU_XREG_OFFSET(2)]
 	ldp	x4, x5,   [x29, #CPU_XREG_OFFSET(4)]
@@ -64,48 +64,65 @@
 SYM_FUNC_END(__host_exit)
 
 /*
+ * void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt);
+ */
+SYM_FUNC_START(__host_enter)
+	mov	x29, x0
+	b	__host_enter_restore_full
+SYM_FUNC_END(__host_enter)
+
+/*
  * void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
  * 				  u64 elr, u64 par);
  */
 SYM_FUNC_START(__hyp_do_panic)
-	mov	x29, x0
-
-	/* Load the format string into x0 and arguments into x1-7 */
-	ldr	x0, =__hyp_panic_string
-
-	mov	x6, x3
-	get_vcpu_ptr x7, x3
-
-	mrs	x3, esr_el2
-	mrs	x4, far_el2
-	mrs	x5, hpfar_el2
-
 	/* Prepare and exit to the host's panic funciton. */
 	mov	lr, #(PSR_F_BIT | PSR_I_BIT | PSR_A_BIT | PSR_D_BIT |\
 		      PSR_MODE_EL1h)
 	msr	spsr_el2, lr
-	ldr	lr, =panic
+	ldr	lr, =nvhe_hyp_panic_handler
+	hyp_kimg_va lr, x6
 	msr	elr_el2, lr
 
+	mov	x29, x0
+
+#ifdef CONFIG_NVHE_EL2_DEBUG
+	/* Ensure host stage-2 is disabled */
+	mrs	x0, hcr_el2
+	bic	x0, x0, #HCR_VM
+	msr	hcr_el2, x0
+	isb
+	tlbi	vmalls12e1
+	dsb	nsh
+#endif
+
+	/* Load the panic arguments into x0-7 */
+	mrs	x0, esr_el2
+	mov	x4, x3
+	mov	x3, x2
+	hyp_pa	x3, x6
+	get_vcpu_ptr x5, x6
+	mrs	x6, far_el2
+	mrs	x7, hpfar_el2
+
 	/* Enter the host, conditionally restoring the host context. */
 	cbz	x29, __host_enter_without_restoring
 	b	__host_enter_for_panic
 SYM_FUNC_END(__hyp_do_panic)
 
-.macro host_el1_sync_vect
-	.align 7
-.L__vect_start\@:
-	stp	x0, x1, [sp, #-16]!
-	mrs	x0, esr_el2
-	ubfx	x0, x0, #ESR_ELx_EC_SHIFT, #ESR_ELx_EC_WIDTH
-	cmp	x0, #ESR_ELx_EC_HVC64
-	ldp	x0, x1, [sp], #16
-	b.ne	__host_exit
+SYM_FUNC_START(__host_hvc)
+	ldp	x0, x1, [sp]		// Don't fixup the stack yet
+
+	/* No stub for you, sonny Jim */
+alternative_if ARM64_KVM_PROTECTED_MODE
+	b	__host_exit
+alternative_else_nop_endif
 
 	/* Check for a stub HVC call */
 	cmp	x0, #HVC_STUB_HCALL_NR
 	b.hs	__host_exit
 
+	add	sp, sp, #16
 	/*
 	 * Compute the idmap address of __kvm_handle_stub_hvc and
 	 * jump there. Since we use kimage_voffset, do not use the
@@ -115,11 +132,19 @@
 	 * Preserve x0-x4, which may contain stub parameters.
 	 */
 	ldr	x5, =__kvm_handle_stub_hvc
-	ldr_l	x6, kimage_voffset
-
-	/* x5 = __pa(x5) */
-	sub	x5, x5, x6
+	hyp_pa	x5, x6
 	br	x5
+SYM_FUNC_END(__host_hvc)
+
+.macro host_el1_sync_vect
+	.align 7
+.L__vect_start\@:
+	stp	x0, x1, [sp, #-16]!
+	mrs	x0, esr_el2
+	ubfx	x0, x0, #ESR_ELx_EC_SHIFT, #ESR_ELx_EC_WIDTH
+	cmp	x0, #ESR_ELx_EC_HVC64
+	b.eq	__host_hvc
+	b	__host_exit
 .L__vect_end\@:
 .if ((.L__vect_end\@ - .L__vect_start\@) > 0x80)
 	.error "host_el1_sync_vect larger than vector entry"
@@ -173,13 +198,51 @@
 	invalid_host_el2_vect			// FIQ EL2h
 	invalid_host_el2_vect			// Error EL2h
 
-	host_el1_sync_vect			// Synchronous 64-bit EL1
-	invalid_host_el1_vect			// IRQ 64-bit EL1
-	invalid_host_el1_vect			// FIQ 64-bit EL1
-	invalid_host_el1_vect			// Error 64-bit EL1
+	host_el1_sync_vect			// Synchronous 64-bit EL1/EL0
+	invalid_host_el1_vect			// IRQ 64-bit EL1/EL0
+	invalid_host_el1_vect			// FIQ 64-bit EL1/EL0
+	invalid_host_el1_vect			// Error 64-bit EL1/EL0
 
-	invalid_host_el1_vect			// Synchronous 32-bit EL1
-	invalid_host_el1_vect			// IRQ 32-bit EL1
-	invalid_host_el1_vect			// FIQ 32-bit EL1
-	invalid_host_el1_vect			// Error 32-bit EL1
+	host_el1_sync_vect			// Synchronous 32-bit EL1/EL0
+	invalid_host_el1_vect			// IRQ 32-bit EL1/EL0
+	invalid_host_el1_vect			// FIQ 32-bit EL1/EL0
+	invalid_host_el1_vect			// Error 32-bit EL1/EL0
 SYM_CODE_END(__kvm_hyp_host_vector)
+
+/*
+ * Forward SMC with arguments in struct kvm_cpu_context, and
+ * store the result into the same struct. Assumes SMCCC 1.2 or older.
+ *
+ * x0: struct kvm_cpu_context*
+ */
+SYM_CODE_START(__kvm_hyp_host_forward_smc)
+	/*
+	 * Use x18 to keep the pointer to the host context because
+	 * x18 is callee-saved in SMCCC but not in AAPCS64.
+	 */
+	mov	x18, x0
+
+	ldp	x0, x1,   [x18, #CPU_XREG_OFFSET(0)]
+	ldp	x2, x3,   [x18, #CPU_XREG_OFFSET(2)]
+	ldp	x4, x5,   [x18, #CPU_XREG_OFFSET(4)]
+	ldp	x6, x7,   [x18, #CPU_XREG_OFFSET(6)]
+	ldp	x8, x9,   [x18, #CPU_XREG_OFFSET(8)]
+	ldp	x10, x11, [x18, #CPU_XREG_OFFSET(10)]
+	ldp	x12, x13, [x18, #CPU_XREG_OFFSET(12)]
+	ldp	x14, x15, [x18, #CPU_XREG_OFFSET(14)]
+	ldp	x16, x17, [x18, #CPU_XREG_OFFSET(16)]
+
+	smc	#0
+
+	stp	x0, x1,   [x18, #CPU_XREG_OFFSET(0)]
+	stp	x2, x3,   [x18, #CPU_XREG_OFFSET(2)]
+	stp	x4, x5,   [x18, #CPU_XREG_OFFSET(4)]
+	stp	x6, x7,   [x18, #CPU_XREG_OFFSET(6)]
+	stp	x8, x9,   [x18, #CPU_XREG_OFFSET(8)]
+	stp	x10, x11, [x18, #CPU_XREG_OFFSET(10)]
+	stp	x12, x13, [x18, #CPU_XREG_OFFSET(12)]
+	stp	x14, x15, [x18, #CPU_XREG_OFFSET(14)]
+	stp	x16, x17, [x18, #CPU_XREG_OFFSET(16)]
+
+	ret
+SYM_CODE_END(__kvm_hyp_host_forward_smc)
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-init.S b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
index b11a9d7..c953fb4b 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-init.S
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
@@ -9,6 +9,7 @@
 
 #include <asm/alternative.h>
 #include <asm/assembler.h>
+#include <asm/el2_setup.h>
 #include <asm/kvm_arm.h>
 #include <asm/kvm_asm.h>
 #include <asm/kvm_mmu.h>
@@ -17,7 +18,7 @@
 #include <asm/virt.h>
 
 	.text
-	.pushsection	.hyp.idmap.text, "ax"
+	.pushsection	.idmap.text, "ax"
 
 	.align	11
 
@@ -46,86 +47,82 @@
 	b	.
 
 	/*
+	 * Only uses x0..x3 so as to not clobber callee-saved SMCCC registers.
+	 *
 	 * x0: SMCCC function ID
-	 * x1: HYP pgd
-	 * x2: per-CPU offset
-	 * x3: HYP stack
-	 * x4: HYP vectors
+	 * x1: struct kvm_nvhe_init_params PA
 	 */
 __do_hyp_init:
 	/* Check for a stub HVC call */
 	cmp	x0, #HVC_STUB_HCALL_NR
 	b.lo	__kvm_handle_stub_hvc
 
-	// We only actively check bits [24:31], and everything
-	// else has to be zero, which we check at build time.
-#if (KVM_HOST_SMCCC_FUNC(__kvm_hyp_init) & 0xFFFFFFFF00FFFFFF)
-#error Unexpected __KVM_HOST_SMCCC_FUNC___kvm_hyp_init value
-#endif
+	mov	x3, #KVM_HOST_SMCCC_FUNC(__kvm_hyp_init)
+	cmp	x0, x3
+	b.eq	1f
 
-	ror	x0, x0, #24
-	eor	x0, x0, #((KVM_HOST_SMCCC_FUNC(__kvm_hyp_init) >> 24) & 0xF)
-	ror	x0, x0, #4
-	eor	x0, x0, #((KVM_HOST_SMCCC_FUNC(__kvm_hyp_init) >> 28) & 0xF)
-	cbz	x0, 1f
 	mov	x0, #SMCCC_RET_NOT_SUPPORTED
 	eret
 
-1:
-	/* Set tpidr_el2 for use by HYP to free a register */
-	msr	tpidr_el2, x2
+1:	mov	x0, x1
+	mov	x3, lr
+	bl	___kvm_hyp_init			// Clobbers x0..x2
+	mov	lr, x3
 
-	phys_to_ttbr x0, x1
+	/* Hello, World! */
+	mov	x0, #SMCCC_RET_SUCCESS
+	eret
+SYM_CODE_END(__kvm_hyp_init)
+
+/*
+ * Initialize the hypervisor in EL2.
+ *
+ * Only uses x0..x2 so as to not clobber callee-saved SMCCC registers
+ * and leave x3 for the caller.
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ */
+SYM_CODE_START_LOCAL(___kvm_hyp_init)
+	ldr	x1, [x0, #NVHE_INIT_TPIDR_EL2]
+	msr	tpidr_el2, x1
+
+	ldr	x1, [x0, #NVHE_INIT_STACK_HYP_VA]
+	mov	sp, x1
+
+	ldr	x1, [x0, #NVHE_INIT_MAIR_EL2]
+	msr	mair_el2, x1
+
+	ldr	x1, [x0, #NVHE_INIT_HCR_EL2]
+	msr	hcr_el2, x1
+
+	ldr	x1, [x0, #NVHE_INIT_VTTBR]
+	msr	vttbr_el2, x1
+
+	ldr	x1, [x0, #NVHE_INIT_VTCR]
+	msr	vtcr_el2, x1
+
+	ldr	x1, [x0, #NVHE_INIT_PGD_PA]
+	phys_to_ttbr x2, x1
 alternative_if ARM64_HAS_CNP
-	orr	x0, x0, #TTBR_CNP_BIT
+	orr	x2, x2, #TTBR_CNP_BIT
 alternative_else_nop_endif
-	msr	ttbr0_el2, x0
-
-	mrs	x0, tcr_el1
-	mov_q	x1, TCR_EL2_MASK
-	and	x0, x0, x1
-	mov	x1, #TCR_EL2_RES1
-	orr	x0, x0, x1
-
-	/*
-	 * The ID map may be configured to use an extended virtual address
-	 * range. This is only the case if system RAM is out of range for the
-	 * currently configured page size and VA_BITS, in which case we will
-	 * also need the extended virtual range for the HYP ID map, or we won't
-	 * be able to enable the EL2 MMU.
-	 *
-	 * However, at EL2, there is only one TTBR register, and we can't switch
-	 * between translation tables *and* update TCR_EL2.T0SZ at the same
-	 * time. Bottom line: we need to use the extended range with *both* our
-	 * translation tables.
-	 *
-	 * So use the same T0SZ value we use for the ID map.
-	 */
-	ldr_l	x1, idmap_t0sz
-	bfi	x0, x1, TCR_T0SZ_OFFSET, TCR_TxSZ_WIDTH
+	msr	ttbr0_el2, x2
 
 	/*
 	 * Set the PS bits in TCR_EL2.
 	 */
+	ldr	x0, [x0, #NVHE_INIT_TCR_EL2]
 	tcr_compute_pa_size x0, #TCR_EL2_PS_SHIFT, x1, x2
-
 	msr	tcr_el2, x0
 
-	mrs	x0, mair_el1
-	msr	mair_el2, x0
 	isb
 
 	/* Invalidate the stale TLBs from Bootloader */
 	tlbi	alle2
+	tlbi	vmalls12e1
 	dsb	sy
 
-	/*
-	 * Preserve all the RES1 bits while setting the default flags,
-	 * as well as the EE bit on BE. Drop the A flag since the compiler
-	 * is allowed to generate unaligned accesses.
-	 */
-	mov_q	x0, (SCTLR_EL2_RES1 | (SCTLR_ELx_FLAGS & ~SCTLR_ELx_A))
-CPU_BE(	orr	x0, x0, #SCTLR_ELx_EE)
+	mov_q	x0, INIT_SCTLR_EL2_MMU_ON
 alternative_if ARM64_HAS_ADDRESS_AUTH
 	mov_q	x1, (SCTLR_ELx_ENIA | SCTLR_ELx_ENIB | \
 		     SCTLR_ELx_ENDA | SCTLR_ELx_ENDB)
@@ -134,14 +131,68 @@
 	msr	sctlr_el2, x0
 	isb
 
-	/* Set the stack and new vectors */
-	mov	sp, x3
-	msr	vbar_el2, x4
+	/* Set the host vector */
+	ldr	x0, =__kvm_hyp_host_vector
+	msr	vbar_el2, x0
 
-	/* Hello, World! */
-	mov	x0, #SMCCC_RET_SUCCESS
-	eret
-SYM_CODE_END(__kvm_hyp_init)
+	ret
+SYM_CODE_END(___kvm_hyp_init)
+
+/*
+ * PSCI CPU_ON entry point
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ */
+SYM_CODE_START(kvm_hyp_cpu_entry)
+	mov	x1, #1				// is_cpu_on = true
+	b	__kvm_hyp_init_cpu
+SYM_CODE_END(kvm_hyp_cpu_entry)
+
+/*
+ * PSCI CPU_SUSPEND / SYSTEM_SUSPEND entry point
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ */
+SYM_CODE_START(kvm_hyp_cpu_resume)
+	mov	x1, #0				// is_cpu_on = false
+	b	__kvm_hyp_init_cpu
+SYM_CODE_END(kvm_hyp_cpu_resume)
+
+/*
+ * Common code for CPU entry points. Initializes EL2 state and
+ * installs the hypervisor before handing over to a C handler.
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ * x1: bool is_cpu_on
+ */
+SYM_CODE_START_LOCAL(__kvm_hyp_init_cpu)
+	mov	x28, x0				// Stash arguments
+	mov	x29, x1
+
+	/* Check that the core was booted in EL2. */
+	mrs	x0, CurrentEL
+	cmp	x0, #CurrentEL_EL2
+	b.eq	2f
+
+	/* The core booted in EL1. KVM cannot be initialized on it. */
+1:	wfe
+	wfi
+	b	1b
+
+2:	msr	SPsel, #1			// We want to use SP_EL{1,2}
+
+	/* Initialize EL2 CPU state to sane values. */
+	init_el2_state				// Clobbers x0..x2
+
+	/* Enable MMU, set vectors and stack. */
+	mov	x0, x28
+	bl	___kvm_hyp_init			// Clobbers x0..x2
+
+	/* Leave idmap. */
+	mov	x0, x29
+	ldr	x1, =kvm_host_psci_cpu_entry
+	br	x1
+SYM_CODE_END(__kvm_hyp_init_cpu)
 
 SYM_CODE_START(__kvm_handle_stub_hvc)
 	cmp	x0, #HVC_SOFT_RESTART
@@ -169,13 +220,16 @@
 	mov	x0, xzr
 reset:
 	/* Reset kvm back to the hyp stub. */
-	mrs	x5, sctlr_el2
-	mov_q	x6, SCTLR_ELx_FLAGS
-	bic	x5, x5, x6		// Clear SCTL_M and etc
+	mov_q	x5, INIT_SCTLR_EL2_MMU_OFF
 	pre_disable_mmu_workaround
 	msr	sctlr_el2, x5
 	isb
 
+alternative_if ARM64_KVM_PROTECTED_MODE
+	mov_q	x5, HCR_HOST_NVHE_FLAGS
+	msr	hcr_el2, x5
+alternative_else_nop_endif
+
 	/* Install stub vectors */
 	adr_l	x5, __hyp_stub_vectors
 	msr	vbar_el2, x5
@@ -187,4 +241,31 @@
 
 SYM_CODE_END(__kvm_handle_stub_hvc)
 
+SYM_FUNC_START(__pkvm_init_switch_pgd)
+	/* Turn the MMU off */
+	pre_disable_mmu_workaround
+	mrs	x2, sctlr_el2
+	bic	x3, x2, #SCTLR_ELx_M
+	msr	sctlr_el2, x3
+	isb
+
+	tlbi	alle2
+
+	/* Install the new pgtables */
+	ldr	x3, [x0, #NVHE_INIT_PGD_PA]
+	phys_to_ttbr x4, x3
+alternative_if ARM64_HAS_CNP
+	orr	x4, x4, #TTBR_CNP_BIT
+alternative_else_nop_endif
+	msr	ttbr0_el2, x4
+
+	/* Set the new stack pointer */
+	ldr	x0, [x0, #NVHE_INIT_STACK_HYP_VA]
+	mov	sp, x0
+
+	/* And turn the MMU back on! */
+	set_sctlr_el2	x2
+	ret	x1
+SYM_FUNC_END(__pkvm_init_switch_pgd)
+
 	.popsection
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index 3df30b4..9901e10 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -4,114 +4,1210 @@
  * Author: Andrew Scull <ascull@google.com>
  */
 
-#include <hyp/switch.h>
+#include <kvm/arm_hypercalls.h>
 
+#include <hyp/adjust_pc.h>
+
+#include <asm/pgtable-types.h>
 #include <asm/kvm_asm.h>
 #include <asm/kvm_emulate.h>
 #include <asm/kvm_host.h>
 #include <asm/kvm_hyp.h>
 #include <asm/kvm_mmu.h>
 
-#include <kvm/arm_hypercalls.h>
+#include <nvhe/ffa.h>
+#include <nvhe/iommu.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+#include <nvhe/pkvm.h>
+#include <nvhe/trap_handler.h>
 
-static void handle_host_hcall(unsigned long func_id,
-			      struct kvm_cpu_context *host_ctxt)
+#include <linux/irqchip/arm-gic-v3.h>
+#include <uapi/linux/psci.h>
+
+#include "../../sys_regs.h"
+
+struct pkvm_loaded_state {
+	/* loaded vcpu is HYP VA */
+	struct kvm_vcpu			*vcpu;
+	bool				is_protected;
+
+	/*
+	 * Host FPSIMD state. Written to when the guest accesses its
+	 * own FPSIMD state, and read when the guest state is live and
+	 * that it needs to be switched back to the host.
+	 *
+	 * Only valid when the KVM_ARM64_FP_ENABLED flag is set in the
+	 * shadow structure.
+	 */
+	struct user_fpsimd_state	host_fpsimd_state;
+};
+
+static DEFINE_PER_CPU(struct pkvm_loaded_state, loaded_state);
+
+DEFINE_PER_CPU(struct kvm_nvhe_init_params, kvm_init_params);
+
+void __kvm_hyp_host_forward_smc(struct kvm_cpu_context *host_ctxt);
+
+typedef void (*shadow_entry_exit_handler_fn)(struct kvm_vcpu *, struct kvm_vcpu *);
+
+static void handle_pvm_entry_wfx(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
 {
-	unsigned long ret = 0;
+	shadow_vcpu->arch.flags |= host_vcpu->arch.flags & KVM_ARM64_INCREMENT_PC;
+}
 
-	switch (func_id) {
-	case KVM_HOST_SMCCC_FUNC(__kvm_vcpu_run): {
-		unsigned long r1 = host_ctxt->regs.regs[1];
-		struct kvm_vcpu *vcpu = (struct kvm_vcpu *)r1;
+static int pkvm_refill_memcache(struct kvm_vcpu *shadow_vcpu,
+				struct kvm_vcpu *host_vcpu)
+{
+	u64 nr_pages;
 
-		ret = __kvm_vcpu_run(kern_hyp_va(vcpu));
-		break;
-	}
-	case KVM_HOST_SMCCC_FUNC(__kvm_flush_vm_context):
-		__kvm_flush_vm_context();
-		break;
-	case KVM_HOST_SMCCC_FUNC(__kvm_tlb_flush_vmid_ipa): {
-		unsigned long r1 = host_ctxt->regs.regs[1];
-		struct kvm_s2_mmu *mmu = (struct kvm_s2_mmu *)r1;
-		phys_addr_t ipa = host_ctxt->regs.regs[2];
-		int level = host_ctxt->regs.regs[3];
+	nr_pages = VTCR_EL2_LVLS(shadow_vcpu->arch.pkvm.shadow_vm->arch.vtcr) - 1;
+	return refill_memcache(&shadow_vcpu->arch.pkvm_memcache, nr_pages,
+			       &host_vcpu->arch.pkvm_memcache);
+}
 
-		__kvm_tlb_flush_vmid_ipa(kern_hyp_va(mmu), ipa, level);
-		break;
-	}
-	case KVM_HOST_SMCCC_FUNC(__kvm_tlb_flush_vmid): {
-		unsigned long r1 = host_ctxt->regs.regs[1];
-		struct kvm_s2_mmu *mmu = (struct kvm_s2_mmu *)r1;
+static void handle_pvm_entry_psci(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	u32 psci_fn = smccc_get_function(shadow_vcpu);
+	u64 ret = vcpu_get_reg(host_vcpu, 0);
 
-		__kvm_tlb_flush_vmid(kern_hyp_va(mmu));
-		break;
-	}
-	case KVM_HOST_SMCCC_FUNC(__kvm_flush_cpu_context): {
-		unsigned long r1 = host_ctxt->regs.regs[1];
-		struct kvm_s2_mmu *mmu = (struct kvm_s2_mmu *)r1;
+	switch (psci_fn) {
+	case PSCI_0_2_FN_CPU_ON:
+	case PSCI_0_2_FN64_CPU_ON:
+		/*
+		 * Check whether the cpu_on request to the host was successful.
+		 * If not, reset the vcpu state from ON_PENDING to OFF.
+		 * This could happen if this vcpu attempted to turn on the other
+		 * vcpu while the other one is in the process of turning itself
+		 * off.
+		 */
+		if (ret != PSCI_RET_SUCCESS) {
+			struct kvm_shadow_vm *vm = shadow_vcpu->arch.pkvm.shadow_vm;
+			unsigned long cpu_id = smccc_get_arg1(shadow_vcpu);
+			struct kvm_vcpu *vcpu = pvm_mpidr_to_vcpu(vm, cpu_id);
 
-		__kvm_flush_cpu_context(kern_hyp_va(mmu));
-		break;
-	}
-	case KVM_HOST_SMCCC_FUNC(__kvm_timer_set_cntvoff): {
-		u64 cntvoff = host_ctxt->regs.regs[1];
+			if (vcpu && READ_ONCE(vcpu->arch.pkvm.power_state) == PSCI_0_2_AFFINITY_LEVEL_ON_PENDING)
+				WRITE_ONCE(vcpu->arch.pkvm.power_state, PSCI_0_2_AFFINITY_LEVEL_OFF);
 
-		__kvm_timer_set_cntvoff(cntvoff);
+			ret = PSCI_RET_INTERNAL_FAILURE;
+		}
 		break;
-	}
-	case KVM_HOST_SMCCC_FUNC(__kvm_enable_ssbs):
-		__kvm_enable_ssbs();
-		break;
-	case KVM_HOST_SMCCC_FUNC(__vgic_v3_get_ich_vtr_el2):
-		ret = __vgic_v3_get_ich_vtr_el2();
-		break;
-	case KVM_HOST_SMCCC_FUNC(__vgic_v3_read_vmcr):
-		ret = __vgic_v3_read_vmcr();
-		break;
-	case KVM_HOST_SMCCC_FUNC(__vgic_v3_write_vmcr): {
-		u32 vmcr = host_ctxt->regs.regs[1];
-
-		__vgic_v3_write_vmcr(vmcr);
-		break;
-	}
-	case KVM_HOST_SMCCC_FUNC(__vgic_v3_init_lrs):
-		__vgic_v3_init_lrs();
-		break;
-	case KVM_HOST_SMCCC_FUNC(__kvm_get_mdcr_el2):
-		ret = __kvm_get_mdcr_el2();
-		break;
-	case KVM_HOST_SMCCC_FUNC(__vgic_v3_save_aprs): {
-		unsigned long r1 = host_ctxt->regs.regs[1];
-		struct vgic_v3_cpu_if *cpu_if = (struct vgic_v3_cpu_if *)r1;
-
-		__vgic_v3_save_aprs(kern_hyp_va(cpu_if));
-		break;
-	}
-	case KVM_HOST_SMCCC_FUNC(__vgic_v3_restore_aprs): {
-		unsigned long r1 = host_ctxt->regs.regs[1];
-		struct vgic_v3_cpu_if *cpu_if = (struct vgic_v3_cpu_if *)r1;
-
-		__vgic_v3_restore_aprs(kern_hyp_va(cpu_if));
-		break;
-	}
 	default:
-		/* Invalid host HVC. */
-		host_ctxt->regs.regs[0] = SMCCC_RET_NOT_SUPPORTED;
+		break;
+	}
+
+	vcpu_set_reg(shadow_vcpu, 0, ret);
+}
+
+static void handle_pvm_entry_hvc64(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	u32 fn = smccc_get_function(shadow_vcpu);
+
+	switch (fn) {
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_MAP_FUNC_ID:
+		pkvm_refill_memcache(shadow_vcpu, host_vcpu);
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_SHARE_FUNC_ID:
+		fallthrough;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_UNSHARE_FUNC_ID:
+		vcpu_set_reg(shadow_vcpu, 0, SMCCC_RET_SUCCESS);
+		break;
+	default:
+		handle_pvm_entry_psci(host_vcpu, shadow_vcpu);
+		break;
+	}
+}
+
+static void handle_pvm_entry_sys64(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	unsigned long host_flags;
+
+	host_flags = READ_ONCE(host_vcpu->arch.flags);
+
+	/* Exceptions have priority on anything else */
+	if (host_flags & KVM_ARM64_PENDING_EXCEPTION) {
+		/* Exceptions caused by this should be undef exceptions. */
+		u32 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT);
+
+		__vcpu_sys_reg(shadow_vcpu, ESR_EL1) = esr;
+		shadow_vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+					     KVM_ARM64_EXCEPT_MASK);
+		shadow_vcpu->arch.flags |= (KVM_ARM64_PENDING_EXCEPTION |
+					    KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+					    KVM_ARM64_EXCEPT_AA64_EL1);
+
 		return;
 	}
 
-	host_ctxt->regs.regs[0] = SMCCC_RET_SUCCESS;
-	host_ctxt->regs.regs[1] = ret;
+
+	if (host_flags & KVM_ARM64_INCREMENT_PC) {
+		shadow_vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+					     KVM_ARM64_EXCEPT_MASK);
+		shadow_vcpu->arch.flags |= KVM_ARM64_INCREMENT_PC;
+	}
+
+	if (!esr_sys64_to_params(shadow_vcpu->arch.fault.esr_el2).is_write) {
+		/* r0 as transfer register between the guest and the host. */
+		u64 rt_val = vcpu_get_reg(host_vcpu, 0);
+		int rt = kvm_vcpu_sys_get_rt(shadow_vcpu);
+
+		vcpu_set_reg(shadow_vcpu, rt, rt_val);
+	}
+}
+
+static void handle_pvm_entry_iabt(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	unsigned long cpsr = *vcpu_cpsr(shadow_vcpu);
+	unsigned long host_flags;
+	u32 esr = ESR_ELx_IL;
+
+	host_flags = READ_ONCE(host_vcpu->arch.flags);
+
+	if (!(host_flags & KVM_ARM64_PENDING_EXCEPTION))
+		return;
+
+	/*
+	 * If the host wants to inject an exception, get syndrom and
+	 * fault address.
+	 */
+	if ((cpsr & PSR_MODE_MASK) == PSR_MODE_EL0t)
+		esr |= (ESR_ELx_EC_IABT_LOW << ESR_ELx_EC_SHIFT);
+	else
+		esr |= (ESR_ELx_EC_IABT_CUR << ESR_ELx_EC_SHIFT);
+
+	esr |= ESR_ELx_FSC_EXTABT;
+
+	__vcpu_sys_reg(shadow_vcpu, ESR_EL1) = esr;
+	__vcpu_sys_reg(shadow_vcpu, FAR_EL1) = kvm_vcpu_get_hfar(shadow_vcpu);
+
+	/* Tell the run loop that we want to inject something */
+	shadow_vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+				     KVM_ARM64_EXCEPT_MASK);
+	shadow_vcpu->arch.flags |= (KVM_ARM64_PENDING_EXCEPTION |
+				    KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+				    KVM_ARM64_EXCEPT_AA64_EL1);
+}
+
+static void handle_pvm_entry_dabt(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	unsigned long host_flags;
+	bool rd_update;
+
+	host_flags = READ_ONCE(host_vcpu->arch.flags);
+
+	/* Exceptions have priority over anything else */
+	if (host_flags & KVM_ARM64_PENDING_EXCEPTION) {
+		unsigned long cpsr = *vcpu_cpsr(shadow_vcpu);
+		u32 esr = ESR_ELx_IL;
+
+		if ((cpsr & PSR_MODE_MASK) == PSR_MODE_EL0t)
+			esr |= (ESR_ELx_EC_DABT_LOW << ESR_ELx_EC_SHIFT);
+		else
+			esr |= (ESR_ELx_EC_DABT_CUR << ESR_ELx_EC_SHIFT);
+
+		esr |= ESR_ELx_FSC_EXTABT;
+
+		__vcpu_sys_reg(shadow_vcpu, ESR_EL1) = esr;
+		__vcpu_sys_reg(shadow_vcpu, FAR_EL1) = kvm_vcpu_get_hfar(shadow_vcpu);
+		/* Tell the run loop that we want to inject something */
+		shadow_vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+					     KVM_ARM64_EXCEPT_MASK);
+		shadow_vcpu->arch.flags |= (KVM_ARM64_PENDING_EXCEPTION |
+					    KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+					    KVM_ARM64_EXCEPT_AA64_EL1);
+
+		/* Cancel potential in-flight MMIO */
+		shadow_vcpu->mmio_needed = false;
+		return;
+	}
+
+	/* Handle PC increment on MMIO */
+	if ((host_flags & KVM_ARM64_INCREMENT_PC) && shadow_vcpu->mmio_needed) {
+		shadow_vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+					     KVM_ARM64_EXCEPT_MASK);
+		shadow_vcpu->arch.flags |= KVM_ARM64_INCREMENT_PC;
+	}
+
+	/* If we were doing an MMIO read access, update the register*/
+	rd_update = (shadow_vcpu->mmio_needed &&
+		     (host_flags & KVM_ARM64_INCREMENT_PC));
+	rd_update &= !kvm_vcpu_dabt_iswrite(shadow_vcpu);
+
+	if (rd_update) {
+		/* r0 as transfer register between the guest and the host. */
+		u64 rd_val = vcpu_get_reg(host_vcpu, 0);
+		int rd = kvm_vcpu_dabt_get_rd(shadow_vcpu);
+
+		vcpu_set_reg(shadow_vcpu, rd, rd_val);
+	}
+
+	shadow_vcpu->mmio_needed = false;
+}
+
+static void handle_pvm_exit_wfx(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	host_vcpu->arch.ctxt.regs.pstate = shadow_vcpu->arch.ctxt.regs.pstate &
+		PSR_MODE_MASK;
+	host_vcpu->arch.fault.esr_el2 = shadow_vcpu->arch.fault.esr_el2;
+}
+
+static void handle_pvm_exit_sys64(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	u32 esr_el2 = shadow_vcpu->arch.fault.esr_el2;
+
+	/* r0 as transfer register between the guest and the host. */
+	WRITE_ONCE(host_vcpu->arch.fault.esr_el2,
+		   esr_el2 & ~ESR_ELx_SYS64_ISS_RT_MASK);
+
+	/* The mode is required for the host to emulate some sysregs */
+	WRITE_ONCE(host_vcpu->arch.ctxt.regs.pstate,
+		   shadow_vcpu->arch.ctxt.regs.pstate & PSR_MODE_MASK);
+
+	if (esr_sys64_to_params(esr_el2).is_write) {
+		int rt = kvm_vcpu_sys_get_rt(shadow_vcpu);
+		u64 rt_val = vcpu_get_reg(shadow_vcpu, rt);
+
+		vcpu_set_reg(host_vcpu, 0, rt_val);
+	}
+}
+
+static void handle_pvm_exit_hvc64(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	int n, i;
+
+	switch (smccc_get_function(shadow_vcpu)) {
+	/*
+	 * CPU_ON takes 3 arguments, however, to wake up the target vcpu the
+	 * host only needs to know the target's cpu_id, which is passed as the
+	 * first argument. The processing of the reset state is done at hyp.
+	 */
+	case PSCI_0_2_FN_CPU_ON:
+	case PSCI_0_2_FN64_CPU_ON:
+		n = 2;
+		break;
+
+	case PSCI_0_2_FN_CPU_OFF:
+	case PSCI_0_2_FN_SYSTEM_OFF:
+	case PSCI_0_2_FN_SYSTEM_RESET:
+	case PSCI_0_2_FN_CPU_SUSPEND:
+	case PSCI_0_2_FN64_CPU_SUSPEND:
+		n = 1;
+		break;
+
+	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_SHARE_FUNC_ID:
+		fallthrough;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_UNSHARE_FUNC_ID:
+		n = 4;
+		break;
+
+	case PSCI_1_1_FN_SYSTEM_RESET2:
+	case PSCI_1_1_FN64_SYSTEM_RESET2:
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_MAP_FUNC_ID:
+		n = 3;
+		break;
+
+	/*
+	 * The rest are either blocked or handled by HYP, so we should
+	 * really never be here.
+	 */
+	default:
+		BUG();
+	}
+
+	host_vcpu->arch.fault.esr_el2 = shadow_vcpu->arch.fault.esr_el2;
+
+	/* Pass the hvc function id (r0) as well as any potential arguments. */
+	for (i = 0; i < n; i++)
+		vcpu_set_reg(host_vcpu, i, vcpu_get_reg(shadow_vcpu, i));
+}
+
+static void handle_pvm_exit_iabt(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	WRITE_ONCE(host_vcpu->arch.fault.esr_el2,
+		   shadow_vcpu->arch.fault.esr_el2);
+	WRITE_ONCE(host_vcpu->arch.fault.hpfar_el2,
+		   shadow_vcpu->arch.fault.hpfar_el2);
+}
+
+static void handle_pvm_exit_dabt(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	shadow_vcpu->mmio_needed = __pkvm_check_ioguard_page(shadow_vcpu);
+
+	if (shadow_vcpu->mmio_needed) {
+		/* r0 as transfer register between the guest and the host. */
+		WRITE_ONCE(host_vcpu->arch.fault.esr_el2,
+			   shadow_vcpu->arch.fault.esr_el2 & ~ESR_ELx_SRT_MASK);
+
+		if (kvm_vcpu_dabt_iswrite(shadow_vcpu)) {
+			int rt = kvm_vcpu_dabt_get_rd(shadow_vcpu);
+			u64 rt_val = vcpu_get_reg(shadow_vcpu, rt);
+
+			vcpu_set_reg(host_vcpu, 0, rt_val);
+		}
+	} else {
+		WRITE_ONCE(host_vcpu->arch.fault.esr_el2,
+			   shadow_vcpu->arch.fault.esr_el2 & ~ESR_ELx_ISV);
+	}
+
+	WRITE_ONCE(host_vcpu->arch.ctxt.regs.pstate,
+		   shadow_vcpu->arch.ctxt.regs.pstate & PSR_MODE_MASK);
+	WRITE_ONCE(host_vcpu->arch.fault.far_el2,
+		   shadow_vcpu->arch.fault.far_el2 & FAR_MASK);
+	WRITE_ONCE(host_vcpu->arch.fault.hpfar_el2,
+		   shadow_vcpu->arch.fault.hpfar_el2);
+	WRITE_ONCE(__vcpu_sys_reg(host_vcpu, SCTLR_EL1),
+		   __vcpu_sys_reg(shadow_vcpu, SCTLR_EL1) & (SCTLR_ELx_EE | SCTLR_EL1_E0E));
+}
+
+static void handle_vm_entry_generic(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	unsigned long host_flags = READ_ONCE(host_vcpu->arch.flags);
+
+	shadow_vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+				     KVM_ARM64_EXCEPT_MASK);
+
+	if (host_flags & KVM_ARM64_PENDING_EXCEPTION) {
+		shadow_vcpu->arch.flags |= KVM_ARM64_PENDING_EXCEPTION;
+		shadow_vcpu->arch.flags |= host_flags & KVM_ARM64_EXCEPT_MASK;
+	} else if (host_flags & KVM_ARM64_INCREMENT_PC) {
+		shadow_vcpu->arch.flags |= KVM_ARM64_INCREMENT_PC;
+	}
+}
+
+static void handle_vm_exit_generic(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	host_vcpu->arch.fault.esr_el2 = shadow_vcpu->arch.fault.esr_el2;
+}
+
+static void handle_vm_exit_abt(struct kvm_vcpu *host_vcpu, struct kvm_vcpu *shadow_vcpu)
+{
+	host_vcpu->arch.fault = shadow_vcpu->arch.fault;
+}
+
+static const shadow_entry_exit_handler_fn entry_pvm_shadow_handlers[] = {
+	[0 ... ESR_ELx_EC_MAX]		= NULL,
+	[ESR_ELx_EC_WFx]		= handle_pvm_entry_wfx,
+	[ESR_ELx_EC_HVC64]		= handle_pvm_entry_hvc64,
+	[ESR_ELx_EC_SYS64]		= handle_pvm_entry_sys64,
+	[ESR_ELx_EC_IABT_LOW]		= handle_pvm_entry_iabt,
+	[ESR_ELx_EC_DABT_LOW]		= handle_pvm_entry_dabt,
+};
+
+static const shadow_entry_exit_handler_fn exit_pvm_shadow_handlers[] = {
+	[0 ... ESR_ELx_EC_MAX]		= NULL,
+	[ESR_ELx_EC_WFx]		= handle_pvm_exit_wfx,
+	[ESR_ELx_EC_HVC64]		= handle_pvm_exit_hvc64,
+	[ESR_ELx_EC_SYS64]		= handle_pvm_exit_sys64,
+	[ESR_ELx_EC_IABT_LOW]		= handle_pvm_exit_iabt,
+	[ESR_ELx_EC_DABT_LOW]		= handle_pvm_exit_dabt,
+};
+
+static const shadow_entry_exit_handler_fn entry_vm_shadow_handlers[] = {
+	[0 ... ESR_ELx_EC_MAX]		= handle_vm_entry_generic,
+};
+
+static const shadow_entry_exit_handler_fn exit_vm_shadow_handlers[] = {
+	[0 ... ESR_ELx_EC_MAX]		= handle_vm_exit_generic,
+	[ESR_ELx_EC_IABT_LOW]		= handle_vm_exit_abt,
+	[ESR_ELx_EC_DABT_LOW]		= handle_vm_exit_abt,
+};
+
+static void flush_vgic_state(struct kvm_vcpu *host_vcpu,
+			     struct kvm_vcpu *shadow_vcpu)
+{
+	struct vgic_v3_cpu_if *host_cpu_if, *shadow_cpu_if;
+	unsigned int used_lrs, max_lrs, i;
+
+	host_cpu_if	= &host_vcpu->arch.vgic_cpu.vgic_v3;
+	shadow_cpu_if	= &shadow_vcpu->arch.vgic_cpu.vgic_v3;
+
+	max_lrs = (read_gicreg(ICH_VTR_EL2) & 0xf) + 1;
+	used_lrs = READ_ONCE(host_cpu_if->used_lrs);
+	used_lrs = min(used_lrs, max_lrs);
+
+	shadow_cpu_if->vgic_hcr	= host_cpu_if->vgic_hcr;
+	/* Should be a one-off */
+	shadow_cpu_if->vgic_sre = (ICC_SRE_EL1_DIB |
+				   ICC_SRE_EL1_DFB |
+				   ICC_SRE_EL1_SRE);
+	shadow_cpu_if->used_lrs	= used_lrs;
+
+	for (i = 0; i < used_lrs; i++)
+		shadow_cpu_if->vgic_lr[i] = host_cpu_if->vgic_lr[i];
+}
+
+static void sync_vgic_state(struct kvm_vcpu *host_vcpu,
+			    struct kvm_vcpu *shadow_vcpu)
+{
+	struct vgic_v3_cpu_if *host_cpu_if, *shadow_cpu_if;
+	unsigned int i;
+
+	host_cpu_if	= &host_vcpu->arch.vgic_cpu.vgic_v3;
+	shadow_cpu_if	= &shadow_vcpu->arch.vgic_cpu.vgic_v3;
+
+	host_cpu_if->vgic_hcr	= shadow_cpu_if->vgic_hcr;
+
+	for (i = 0; i < shadow_cpu_if->used_lrs; i++)
+		host_cpu_if->vgic_lr[i] = shadow_cpu_if->vgic_lr[i];
+}
+
+static void flush_timer_state(struct pkvm_loaded_state *state)
+{
+	struct kvm_vcpu *shadow_vcpu = state->vcpu;
+
+	if (!state->is_protected)
+		return;
+
+	/*
+	 * A shadow vcpu has no offset, and sees vtime == ptime. The
+	 * ptimer is fully emulated by EL1 and cannot be trusted.
+	 */
+	write_sysreg(0, cntvoff_el2);
+	isb();
+	write_sysreg_el0(__vcpu_sys_reg(shadow_vcpu, CNTV_CVAL_EL0), SYS_CNTV_CVAL);
+	write_sysreg_el0(__vcpu_sys_reg(shadow_vcpu, CNTV_CTL_EL0), SYS_CNTV_CTL);
+}
+
+static void sync_timer_state(struct pkvm_loaded_state *state)
+{
+	struct kvm_vcpu *shadow_vcpu = state->vcpu;
+
+	if (!state->is_protected)
+		return;
+
+	/*
+	 * Preserve the vtimer state so that it is always correct,
+	 * even if the host tries to make a mess.
+	 */
+	__vcpu_sys_reg(shadow_vcpu, CNTV_CVAL_EL0) = read_sysreg_el0(SYS_CNTV_CVAL);
+	__vcpu_sys_reg(shadow_vcpu, CNTV_CTL_EL0) = read_sysreg_el0(SYS_CNTV_CTL);
+}
+
+static void __copy_vcpu_state(const struct kvm_vcpu *from_vcpu,
+			      struct kvm_vcpu *to_vcpu)
+{
+	int i;
+
+	to_vcpu->arch.ctxt.regs		= from_vcpu->arch.ctxt.regs;
+	to_vcpu->arch.ctxt.spsr_abt	= from_vcpu->arch.ctxt.spsr_abt;
+	to_vcpu->arch.ctxt.spsr_und	= from_vcpu->arch.ctxt.spsr_und;
+	to_vcpu->arch.ctxt.spsr_irq	= from_vcpu->arch.ctxt.spsr_irq;
+	to_vcpu->arch.ctxt.spsr_fiq	= from_vcpu->arch.ctxt.spsr_fiq;
+
+	/*
+	 * Copy the sysregs, but don't mess with the timer state which
+	 * is directly handled by EL1 and is expected to be preserved.
+	 */
+	for (i = 1; i < NR_SYS_REGS; i++) {
+		if (i >= CNTVOFF_EL2 && i <= CNTP_CTL_EL0)
+			continue;
+		to_vcpu->arch.ctxt.sys_regs[i] = from_vcpu->arch.ctxt.sys_regs[i];
+	}
+}
+
+static void __sync_vcpu_state(struct kvm_vcpu *shadow_vcpu)
+{
+	struct kvm_vcpu *host_vcpu = shadow_vcpu->arch.pkvm.host_vcpu;
+
+	__copy_vcpu_state(shadow_vcpu, host_vcpu);
+}
+
+static void __flush_vcpu_state(struct kvm_vcpu *shadow_vcpu)
+{
+	struct kvm_vcpu *host_vcpu = shadow_vcpu->arch.pkvm.host_vcpu;
+
+	__copy_vcpu_state(host_vcpu, shadow_vcpu);
+}
+
+static void flush_shadow_state(struct pkvm_loaded_state *state)
+{
+	struct kvm_vcpu *shadow_vcpu = state->vcpu;
+	struct kvm_vcpu *host_vcpu = shadow_vcpu->arch.pkvm.host_vcpu;
+	u8 esr_ec;
+	shadow_entry_exit_handler_fn ec_handler;
+
+	if (READ_ONCE(shadow_vcpu->arch.pkvm.power_state) == PSCI_0_2_AFFINITY_LEVEL_ON_PENDING)
+		pkvm_reset_vcpu(shadow_vcpu);
+
+	/*
+	 * If we deal with a non-protected guest and that the state is
+	 * dirty (from a host perspective), copy the state back into
+	 * the shadow.
+	 */
+	if (!state->is_protected) {
+		if (READ_ONCE(host_vcpu->arch.flags) & KVM_ARM64_PKVM_STATE_DIRTY)
+			__flush_vcpu_state(shadow_vcpu);
+
+		state->vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS & ~(HCR_RW | HCR_TWI | HCR_TWE);
+		state->vcpu->arch.hcr_el2 |= host_vcpu->arch.hcr_el2;
+	}
+
+	flush_vgic_state(host_vcpu, shadow_vcpu);
+	flush_timer_state(state);
+
+	switch (ARM_EXCEPTION_CODE(shadow_vcpu->arch.pkvm.exit_code)) {
+	case ARM_EXCEPTION_IRQ:
+	case ARM_EXCEPTION_EL1_SERROR:
+	case ARM_EXCEPTION_IL:
+		break;
+	case ARM_EXCEPTION_TRAP:
+		esr_ec = ESR_ELx_EC(kvm_vcpu_get_esr(shadow_vcpu));
+		if (state->is_protected)
+			ec_handler = entry_pvm_shadow_handlers[esr_ec];
+		else
+			ec_handler = entry_vm_shadow_handlers[esr_ec];
+
+		if (ec_handler)
+			ec_handler(host_vcpu, shadow_vcpu);
+
+		break;
+	default:
+		BUG();
+	}
+
+	shadow_vcpu->arch.pkvm.exit_code = 0;
+}
+
+static void sync_shadow_state(struct pkvm_loaded_state *state, u32 exit_reason)
+{
+	struct kvm_vcpu *shadow_vcpu = state->vcpu;
+	struct kvm_vcpu *host_vcpu = shadow_vcpu->arch.pkvm.host_vcpu;
+	u8 esr_ec;
+	shadow_entry_exit_handler_fn ec_handler;
+
+	/*
+	 * Don't sync the vcpu GPR/sysreg state after a run. Instead,
+	 * leave it in the shadow until someone actually requires it.
+	 */
+	sync_vgic_state(host_vcpu, shadow_vcpu);
+	sync_timer_state(state);
+
+	switch (ARM_EXCEPTION_CODE(exit_reason)) {
+	case ARM_EXCEPTION_IRQ:
+		break;
+	case ARM_EXCEPTION_TRAP:
+		esr_ec = ESR_ELx_EC(kvm_vcpu_get_esr(shadow_vcpu));
+		if (state->is_protected)
+			ec_handler = exit_pvm_shadow_handlers[esr_ec];
+		else
+			ec_handler = exit_vm_shadow_handlers[esr_ec];
+
+		if (ec_handler)
+			ec_handler(host_vcpu, shadow_vcpu);
+
+		break;
+	case ARM_EXCEPTION_EL1_SERROR:
+	case ARM_EXCEPTION_IL:
+		break;
+	default:
+		BUG();
+	}
+
+	host_vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION | KVM_ARM64_INCREMENT_PC);
+	shadow_vcpu->arch.pkvm.exit_code = exit_reason;
+}
+
+static void fpsimd_host_restore(void)
+{
+	sysreg_clear_set(cptr_el2, CPTR_EL2_TZ | CPTR_EL2_TFP, 0);
+	isb();
+
+	if (unlikely(is_protected_kvm_enabled())) {
+		struct pkvm_loaded_state *state = this_cpu_ptr(&loaded_state);
+
+		__fpsimd_save_state(&state->vcpu->arch.ctxt.fp_regs);
+		__fpsimd_restore_state(&state->host_fpsimd_state);
+
+		state->vcpu->arch.flags &= ~KVM_ARM64_FP_ENABLED;
+		state->vcpu->arch.flags |= KVM_ARM64_FP_HOST;
+	}
+
+	if (system_supports_sve())
+		sve_cond_update_zcr_vq(ZCR_ELx_LEN_MASK, SYS_ZCR_EL2);
+}
+
+static void handle___pkvm_vcpu_load(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(int, shadow_handle, host_ctxt, 1);
+	DECLARE_REG(int, vcpu_idx, host_ctxt, 2);
+	DECLARE_REG(u64, hcr_el2, host_ctxt, 3);
+	struct pkvm_loaded_state *state;
+
+	/* Why did you bother? */
+	if (!is_protected_kvm_enabled())
+		return;
+
+	state = this_cpu_ptr(&loaded_state);
+
+	/* Nice try */
+	if (state->vcpu)
+		return;
+
+	state->vcpu = get_shadow_vcpu(shadow_handle, vcpu_idx);
+
+	if (!state->vcpu)
+		return;
+
+	state->is_protected = state->vcpu->arch.pkvm.shadow_vm->arch.pkvm.enabled;
+
+	state->vcpu->arch.host_fpsimd_state = &state->host_fpsimd_state;
+	state->vcpu->arch.flags |= KVM_ARM64_FP_HOST;
+
+	if (state->is_protected) {
+		/* Propagate WFx trapping flags, trap ptrauth */
+		state->vcpu->arch.hcr_el2 &= ~(HCR_TWE | HCR_TWI |
+					       HCR_API | HCR_APK);
+		state->vcpu->arch.hcr_el2 |= hcr_el2 & (HCR_TWE | HCR_TWI);
+	}
+}
+
+static void handle___pkvm_vcpu_put(struct kvm_cpu_context *host_ctxt)
+{
+	if (unlikely(is_protected_kvm_enabled())) {
+		struct pkvm_loaded_state *state = this_cpu_ptr(&loaded_state);
+
+		if (state->vcpu) {
+			struct kvm_vcpu *host_vcpu = state->vcpu->arch.pkvm.host_vcpu;
+
+			if (state->vcpu->arch.flags & KVM_ARM64_FP_ENABLED)
+				fpsimd_host_restore();
+
+			if (!state->is_protected &&
+			    !(READ_ONCE(host_vcpu->arch.flags) & KVM_ARM64_PKVM_STATE_DIRTY))
+				__sync_vcpu_state(state->vcpu);
+
+			put_shadow_vcpu(state->vcpu);
+
+			/* "It's over and done with..." */
+			state->vcpu = NULL;
+		}
+	}
+}
+
+static void handle___pkvm_vcpu_sync_state(struct kvm_cpu_context *host_ctxt)
+{
+	if (unlikely(is_protected_kvm_enabled())) {
+		struct pkvm_loaded_state *state = this_cpu_ptr(&loaded_state);
+
+		if (!state->vcpu || state->is_protected)
+			return;
+
+		__sync_vcpu_state(state->vcpu);
+	}
+}
+
+static struct kvm_vcpu *__get_current_vcpu(struct kvm_vcpu *vcpu,
+					   struct pkvm_loaded_state **state)
+{
+	struct pkvm_loaded_state *sstate = NULL;
+
+	vcpu = kern_hyp_va(vcpu);
+
+	if (unlikely(is_protected_kvm_enabled())) {
+		sstate = this_cpu_ptr(&loaded_state);
+
+		if (!sstate || vcpu != sstate->vcpu->arch.pkvm.host_vcpu) {
+			sstate = NULL;
+			vcpu = NULL;
+		}
+	}
+
+	*state = sstate;
+	return vcpu;
+}
+
+#define get_current_vcpu(ctxt, regnr, statepp)				\
+	({								\
+		DECLARE_REG(struct kvm_vcpu *, __vcpu, ctxt, regnr);	\
+		__get_current_vcpu(__vcpu, statepp);			\
+	})
+
+#define get_current_vcpu_from_cpu_if(ctxt, regnr, statepp)		\
+	({								\
+		DECLARE_REG(struct vgic_v3_cpu_if *, cif, ctxt, regnr); \
+		struct kvm_vcpu *__vcpu;				\
+		__vcpu = container_of(cif,				\
+				      struct kvm_vcpu,			\
+				      arch.vgic_cpu.vgic_v3);		\
+									\
+		__get_current_vcpu(__vcpu, statepp);			\
+	})
+
+static void handle___kvm_vcpu_run(struct kvm_cpu_context *host_ctxt)
+{
+	struct pkvm_loaded_state *shadow_state;
+	struct kvm_vcpu *vcpu;
+	int ret;
+
+	vcpu = get_current_vcpu(host_ctxt, 1, &shadow_state);
+	if (!vcpu) {
+		cpu_reg(host_ctxt, 1) =  -EINVAL;
+		return;
+	}
+
+	if (unlikely(shadow_state)) {
+		flush_shadow_state(shadow_state);
+
+		ret = __kvm_vcpu_run(shadow_state->vcpu);
+
+		sync_shadow_state(shadow_state, ret);
+
+		if (shadow_state->vcpu->arch.flags & KVM_ARM64_FP_ENABLED) {
+			/*
+			 * The guest has used the FP, trap all accesses
+			 * from the host (both FP and SVE).
+			 */
+			u64 reg = CPTR_EL2_TFP;
+			if (system_supports_sve())
+				reg |= CPTR_EL2_TZ;
+
+			sysreg_clear_set(cptr_el2, 0, reg);
+		}
+	} else {
+		ret = __kvm_vcpu_run(vcpu);
+	}
+
+	cpu_reg(host_ctxt, 1) =  ret;
+}
+
+static void handle___pkvm_host_donate_guest(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, pfn, host_ctxt, 1);
+	DECLARE_REG(u64, gfn, host_ctxt, 2);
+	struct kvm_vcpu *host_vcpu;
+	struct pkvm_loaded_state *state;
+	int ret = -EINVAL;
+
+	if (!is_protected_kvm_enabled())
+		goto out;
+
+	state = this_cpu_ptr(&loaded_state);
+	if (!state->vcpu)
+		goto out;
+
+	host_vcpu = state->vcpu->arch.pkvm.host_vcpu;
+
+	/* Topup shadow memcache with the host's */
+	ret = pkvm_refill_memcache(state->vcpu, host_vcpu);
+	if (!ret) {
+		if (state->is_protected)
+			ret = __pkvm_host_donate_guest(pfn, gfn, state->vcpu);
+		else
+			ret = __pkvm_host_share_guest(pfn, gfn, state->vcpu);
+	}
+out:
+	cpu_reg(host_ctxt, 1) =  ret;
+}
+
+static void handle___kvm_adjust_pc(struct kvm_cpu_context *host_ctxt)
+{
+	struct pkvm_loaded_state *shadow_state;
+	struct kvm_vcpu *vcpu;
+
+	vcpu = get_current_vcpu(host_ctxt, 1, &shadow_state);
+	if (!vcpu)
+		return;
+
+	if (shadow_state) {
+		/* This only applies to non-protected VMs */
+		if (shadow_state->is_protected)
+			return;
+
+		vcpu = shadow_state->vcpu;
+	}
+
+	__kvm_adjust_pc(vcpu);
+}
+
+static void handle___kvm_flush_vm_context(struct kvm_cpu_context *host_ctxt)
+{
+	__kvm_flush_vm_context();
+}
+
+static void handle___kvm_tlb_flush_vmid_ipa(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(struct kvm_s2_mmu *, mmu, host_ctxt, 1);
+	DECLARE_REG(phys_addr_t, ipa, host_ctxt, 2);
+	DECLARE_REG(int, level, host_ctxt, 3);
+
+	__kvm_tlb_flush_vmid_ipa(kern_hyp_va(mmu), ipa, level);
+}
+
+static void handle___kvm_tlb_flush_vmid(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(struct kvm_s2_mmu *, mmu, host_ctxt, 1);
+
+	__kvm_tlb_flush_vmid(kern_hyp_va(mmu));
+}
+
+static void handle___kvm_flush_cpu_context(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(struct kvm_s2_mmu *, mmu, host_ctxt, 1);
+
+	__kvm_flush_cpu_context(kern_hyp_va(mmu));
+}
+
+static void handle___kvm_timer_set_cntvoff(struct kvm_cpu_context *host_ctxt)
+{
+	__kvm_timer_set_cntvoff(cpu_reg(host_ctxt, 1));
+}
+
+static void handle___kvm_enable_ssbs(struct kvm_cpu_context *host_ctxt)
+{
+	u64 tmp;
+
+	tmp = read_sysreg_el2(SYS_SCTLR);
+	tmp |= SCTLR_ELx_DSSBS;
+	write_sysreg_el2(tmp, SYS_SCTLR);
+}
+
+static void handle___vgic_v3_get_gic_config(struct kvm_cpu_context *host_ctxt)
+{
+	cpu_reg(host_ctxt, 1) = __vgic_v3_get_gic_config();
+}
+
+static void handle___vgic_v3_init_lrs(struct kvm_cpu_context *host_ctxt)
+{
+	__vgic_v3_init_lrs();
+}
+
+static void handle___kvm_get_mdcr_el2(struct kvm_cpu_context *host_ctxt)
+{
+	cpu_reg(host_ctxt, 1) = __kvm_get_mdcr_el2();
+}
+
+static void handle___vgic_v3_save_vmcr_aprs(struct kvm_cpu_context *host_ctxt)
+{
+	struct pkvm_loaded_state *shadow_state;
+	struct kvm_vcpu *vcpu;
+
+	vcpu = get_current_vcpu_from_cpu_if(host_ctxt, 1, &shadow_state);
+	if (!vcpu)
+		return;
+
+	if (shadow_state) {
+		struct vgic_v3_cpu_if *shadow_cpu_if, *cpu_if;
+		int i;
+
+		shadow_cpu_if = &shadow_state->vcpu->arch.vgic_cpu.vgic_v3;
+		__vgic_v3_save_vmcr_aprs(shadow_cpu_if);
+
+		cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
+
+		cpu_if->vgic_vmcr = shadow_cpu_if->vgic_vmcr;
+		for (i = 0; i < ARRAY_SIZE(cpu_if->vgic_ap0r); i++) {
+			cpu_if->vgic_ap0r[i] = shadow_cpu_if->vgic_ap0r[i];
+			cpu_if->vgic_ap1r[i] = shadow_cpu_if->vgic_ap1r[i];
+		}
+	} else {
+		__vgic_v3_save_vmcr_aprs(&vcpu->arch.vgic_cpu.vgic_v3);
+	}
+}
+
+static void handle___vgic_v3_restore_vmcr_aprs(struct kvm_cpu_context *host_ctxt)
+{
+	struct pkvm_loaded_state *shadow_state;
+	struct kvm_vcpu *vcpu;
+
+	vcpu = get_current_vcpu_from_cpu_if(host_ctxt, 1, &shadow_state);
+	if (!vcpu)
+		return;
+
+	if (shadow_state) {
+		struct vgic_v3_cpu_if *shadow_cpu_if, *cpu_if;
+		int i;
+
+		shadow_cpu_if = &shadow_state->vcpu->arch.vgic_cpu.vgic_v3;
+		cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
+
+		shadow_cpu_if->vgic_vmcr = cpu_if->vgic_vmcr;
+		/* Should be a one-off */
+		shadow_cpu_if->vgic_sre = (ICC_SRE_EL1_DIB |
+					   ICC_SRE_EL1_DFB |
+					   ICC_SRE_EL1_SRE);
+		for (i = 0; i < ARRAY_SIZE(cpu_if->vgic_ap0r); i++) {
+			shadow_cpu_if->vgic_ap0r[i] = cpu_if->vgic_ap0r[i];
+			shadow_cpu_if->vgic_ap1r[i] = cpu_if->vgic_ap1r[i];
+		}
+
+		__vgic_v3_restore_vmcr_aprs(shadow_cpu_if);
+	} else {
+		__vgic_v3_restore_vmcr_aprs(&vcpu->arch.vgic_cpu.vgic_v3);
+	}
+}
+
+static void handle___pkvm_init(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(phys_addr_t, phys, host_ctxt, 1);
+	DECLARE_REG(unsigned long, size, host_ctxt, 2);
+	DECLARE_REG(unsigned long, nr_cpus, host_ctxt, 3);
+	DECLARE_REG(unsigned long *, per_cpu_base, host_ctxt, 4);
+	DECLARE_REG(u32, hyp_va_bits, host_ctxt, 5);
+
+	/*
+	 * __pkvm_init() will return only if an error occurred, otherwise it
+	 * will tail-call in __pkvm_init_finalise() which will have to deal
+	 * with the host context directly.
+	 */
+	cpu_reg(host_ctxt, 1) = __pkvm_init(phys, size, nr_cpus, per_cpu_base,
+					    hyp_va_bits);
+}
+
+static void handle___pkvm_cpu_set_vector(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(enum arm64_hyp_spectre_vector, slot, host_ctxt, 1);
+
+	cpu_reg(host_ctxt, 1) = pkvm_cpu_set_vector(slot);
+}
+
+static void handle___pkvm_host_share_hyp(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, pfn, host_ctxt, 1);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_host_share_hyp(pfn);
+}
+
+static void handle___pkvm_host_unshare_hyp(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, pfn, host_ctxt, 1);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_host_unshare_hyp(pfn);
+}
+
+static void handle___pkvm_host_reclaim_page(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, pfn, host_ctxt, 1);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_host_reclaim_page(pfn);
+}
+
+static void handle___pkvm_create_private_mapping(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(phys_addr_t, phys, host_ctxt, 1);
+	DECLARE_REG(size_t, size, host_ctxt, 2);
+	DECLARE_REG(enum kvm_pgtable_prot, prot, host_ctxt, 3);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_create_private_mapping(phys, size, prot);
+}
+
+static void handle___pkvm_prot_finalize(struct kvm_cpu_context *host_ctxt)
+{
+	cpu_reg(host_ctxt, 1) = __pkvm_prot_finalize();
+}
+
+static void handle___pkvm_init_shadow(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(struct kvm *, host_kvm, host_ctxt, 1);
+	DECLARE_REG(void *, host_shadow_va, host_ctxt, 2);
+	DECLARE_REG(size_t, shadow_size, host_ctxt, 3);
+	DECLARE_REG(void *, pgd, host_ctxt, 4);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_init_shadow(host_kvm, host_shadow_va,
+						   shadow_size, pgd);
+}
+
+static void handle___pkvm_init_shadow_vcpu(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(unsigned int, shadow_handle, host_ctxt, 1);
+	DECLARE_REG(struct kvm_vcpu *, host_vcpu, host_ctxt, 2);
+	DECLARE_REG(void *, shadow_vcpu_hva, host_ctxt, 3);
+
+	cpu_reg(host_ctxt, 1) =	__pkvm_init_shadow_vcpu(shadow_handle,
+							host_vcpu,
+							shadow_vcpu_hva);
+}
+
+static void handle___pkvm_teardown_shadow(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(int, shadow_handle, host_ctxt, 1);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_teardown_shadow(shadow_handle);
+}
+
+static void handle___pkvm_iommu_driver_init(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(enum pkvm_iommu_driver_id, id, host_ctxt, 1);
+	DECLARE_REG(void *, data, host_ctxt, 2);
+	DECLARE_REG(size_t, size, host_ctxt, 3);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_iommu_driver_init(id, data, size);
+}
+
+static void handle___pkvm_iommu_register(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(unsigned long, dev_id, host_ctxt, 1);
+	DECLARE_REG(enum pkvm_iommu_driver_id, drv_id, host_ctxt, 2);
+	DECLARE_REG(phys_addr_t, dev_pa, host_ctxt, 3);
+	DECLARE_REG(size_t, dev_size, host_ctxt, 4);
+	DECLARE_REG(unsigned long, parent_id, host_ctxt, 5);
+	DECLARE_REG(void *, mem, host_ctxt, 6);
+	DECLARE_REG(size_t, mem_size, host_ctxt, 7);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_iommu_register(dev_id, drv_id, dev_pa,
+						      dev_size, parent_id,
+						      mem, mem_size);
+}
+
+static void handle___pkvm_iommu_pm_notify(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(unsigned long, dev_id, host_ctxt, 1);
+	DECLARE_REG(enum pkvm_iommu_pm_event, event, host_ctxt, 2);
+
+	cpu_reg(host_ctxt, 1) = __pkvm_iommu_pm_notify(dev_id, event);
+}
+
+static void handle___pkvm_iommu_finalize(struct kvm_cpu_context *host_ctxt)
+{
+	cpu_reg(host_ctxt, 1) = __pkvm_iommu_finalize();
+}
+
+typedef void (*hcall_t)(struct kvm_cpu_context *);
+
+#define HANDLE_FUNC(x)	[__KVM_HOST_SMCCC_FUNC_##x] = (hcall_t)handle_##x
+
+static const hcall_t host_hcall[] = {
+	/* ___kvm_hyp_init */
+	HANDLE_FUNC(__kvm_get_mdcr_el2),
+	HANDLE_FUNC(__pkvm_init),
+	HANDLE_FUNC(__pkvm_create_private_mapping),
+	HANDLE_FUNC(__pkvm_cpu_set_vector),
+	HANDLE_FUNC(__kvm_enable_ssbs),
+	HANDLE_FUNC(__vgic_v3_init_lrs),
+	HANDLE_FUNC(__vgic_v3_get_gic_config),
+	HANDLE_FUNC(__kvm_flush_vm_context),
+	HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa),
+	HANDLE_FUNC(__kvm_tlb_flush_vmid),
+	HANDLE_FUNC(__kvm_flush_cpu_context),
+	HANDLE_FUNC(__pkvm_prot_finalize),
+
+	HANDLE_FUNC(__pkvm_host_share_hyp),
+	HANDLE_FUNC(__pkvm_host_unshare_hyp),
+	HANDLE_FUNC(__pkvm_host_reclaim_page),
+	HANDLE_FUNC(__pkvm_host_donate_guest),
+	HANDLE_FUNC(__kvm_adjust_pc),
+	HANDLE_FUNC(__kvm_vcpu_run),
+	HANDLE_FUNC(__kvm_timer_set_cntvoff),
+	HANDLE_FUNC(__vgic_v3_save_vmcr_aprs),
+	HANDLE_FUNC(__vgic_v3_restore_vmcr_aprs),
+	HANDLE_FUNC(__pkvm_init_shadow),
+	HANDLE_FUNC(__pkvm_init_shadow_vcpu),
+	HANDLE_FUNC(__pkvm_teardown_shadow),
+	HANDLE_FUNC(__pkvm_vcpu_load),
+	HANDLE_FUNC(__pkvm_vcpu_put),
+	HANDLE_FUNC(__pkvm_vcpu_sync_state),
+	HANDLE_FUNC(__pkvm_iommu_driver_init),
+	HANDLE_FUNC(__pkvm_iommu_register),
+	HANDLE_FUNC(__pkvm_iommu_pm_notify),
+	HANDLE_FUNC(__pkvm_iommu_finalize),
+};
+
+static inline u64 kernel__text_addr(void)
+{
+	u64 val;
+
+	asm volatile(ALTERNATIVE_CB("movz	%0, #0\n"
+				    "movk	%0, #0, lsl #16\n"
+				    "movk	%0, #0, lsl #32\n"
+				    "movk	%0, #0, lsl #48\n",
+				    kvm_get__text)
+		     : "=r" (val));
+
+	return val;
+}
+
+static inline u64 kernel__etext_addr(void)
+{
+	u64 val;
+
+	asm volatile(ALTERNATIVE_CB("movz	%0, #0\n"
+				    "movk	%0, #0, lsl #16\n"
+				    "movk	%0, #0, lsl #32\n"
+				    "movk	%0, #0, lsl #48\n",
+				    kvm_get__etext)
+		     : "=r" (val));
+
+	return val;
+}
+
+static void handle_host_hcall(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(unsigned long, id, host_ctxt, 0);
+	u64 elr = read_sysreg_el2(SYS_ELR) - 4;
+	unsigned long hcall_min = 0;
+	hcall_t hfn;
+
+	/* Check for the provenance of the HC */
+	if (unlikely(elr < kernel__text_addr() || elr >= kernel__etext_addr()))
+		goto inval;
+
+	/*
+	 * If pKVM has been initialised then reject any calls to the
+	 * early "privileged" hypercalls. Note that we cannot reject
+	 * calls to __pkvm_prot_finalize for two reasons: (1) The static
+	 * key used to determine initialisation must be toggled prior to
+	 * finalisation and (2) finalisation is performed on a per-CPU
+	 * basis. This is all fine, however, since __pkvm_prot_finalize
+	 * returns -EPERM after the first call for a given CPU.
+	 */
+	if (static_branch_unlikely(&kvm_protected_mode_initialized))
+		hcall_min = __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize;
+
+	id -= KVM_HOST_SMCCC_ID(0);
+
+	if (unlikely(id < hcall_min || id >= ARRAY_SIZE(host_hcall)))
+		goto inval;
+
+	hfn = host_hcall[id];
+	if (unlikely(!hfn))
+		goto inval;
+
+	cpu_reg(host_ctxt, 0) = SMCCC_RET_SUCCESS;
+	hfn(host_ctxt);
+
+	return;
+inval:
+	cpu_reg(host_ctxt, 0) = SMCCC_RET_NOT_SUPPORTED;
+}
+
+static void default_host_smc_handler(struct kvm_cpu_context *host_ctxt)
+{
+	__kvm_hyp_host_forward_smc(host_ctxt);
+}
+
+static void handle_host_smc(struct kvm_cpu_context *host_ctxt)
+{
+	bool handled;
+
+	handled = kvm_host_psci_handler(host_ctxt);
+	if (!handled)
+		handled = kvm_host_ffa_handler(host_ctxt);
+	if (!handled)
+		default_host_smc_handler(host_ctxt);
+
+	/* SMC was trapped, move ELR past the current PC. */
+	kvm_skip_host_instr();
 }
 
 void handle_trap(struct kvm_cpu_context *host_ctxt)
 {
 	u64 esr = read_sysreg_el2(SYS_ESR);
-	unsigned long func_id;
 
-	if (ESR_ELx_EC(esr) != ESR_ELx_EC_HVC64)
-		hyp_panic();
-
-	func_id = host_ctxt->regs.regs[0];
-	handle_host_hcall(func_id, host_ctxt);
+	switch (ESR_ELx_EC(esr)) {
+	case ESR_ELx_EC_HVC64:
+		handle_host_hcall(host_ctxt);
+		break;
+	case ESR_ELx_EC_SMC64:
+		handle_host_smc(host_ctxt);
+		break;
+	case ESR_ELx_EC_FP_ASIMD:
+	case ESR_ELx_EC_SVE:
+		fpsimd_host_restore();
+		break;
+	case ESR_ELx_EC_IABT_LOW:
+	case ESR_ELx_EC_DABT_LOW:
+		handle_host_mem_abort(host_ctxt);
+		break;
+	default:
+		BUG();
+	}
 }
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-smp.c b/arch/arm64/kvm/hyp/nvhe/hyp-smp.c
new file mode 100644
index 0000000..04d1945
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-smp.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+
+/*
+ * nVHE copy of data structures tracking available CPU cores.
+ * Only entries for CPUs that were online at KVM init are populated.
+ * Other CPUs should not be allowed to boot because their features were
+ * not checked against the finalized system capabilities.
+ */
+u64 __ro_after_init hyp_cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
+
+u64 cpu_logical_map(unsigned int cpu)
+{
+	BUG_ON(cpu >= ARRAY_SIZE(hyp_cpu_logical_map));
+
+	return hyp_cpu_logical_map[cpu];
+}
+
+unsigned long __ro_after_init kvm_arm_hyp_percpu_base[NR_CPUS];
+
+unsigned long __hyp_per_cpu_offset(unsigned int cpu)
+{
+	unsigned long *cpu_base_array;
+	unsigned long this_cpu_base;
+	unsigned long elf_base;
+
+	BUG_ON(cpu >= ARRAY_SIZE(kvm_arm_hyp_percpu_base));
+
+	cpu_base_array = (unsigned long *)&kvm_arm_hyp_percpu_base;
+	this_cpu_base = kern_hyp_va(cpu_base_array[cpu]);
+	elf_base = (unsigned long)&__per_cpu_start;
+	return this_cpu_base - elf_base;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp.lds.S b/arch/arm64/kvm/hyp/nvhe/hyp.lds.S
index a797aba..d724f6d 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp.lds.S
+++ b/arch/arm64/kvm/hyp/nvhe/hyp.lds.S
@@ -12,13 +12,20 @@
 #include <asm/memory.h>
 
 SECTIONS {
+	HYP_SECTION(.idmap.text)
 	HYP_SECTION(.text)
+	HYP_SECTION(.data..ro_after_init)
+	HYP_SECTION(.rodata)
+
 	/*
 	 * .hyp..data..percpu needs to be page aligned to maintain the same
 	 * alignment for when linking into vmlinux.
 	 */
 	. = ALIGN(PAGE_SIZE);
-	HYP_SECTION_NAME(.data..percpu) : {
+	BEGIN_HYP_SECTION(.data..percpu)
 		PERCPU_INPUT(L1_CACHE_BYTES)
-	}
+	END_HYP_SECTION
+
+	HYP_SECTION(.bss)
+	HYP_SECTION(.data)
 }
diff --git a/arch/arm64/kvm/hyp/nvhe/iommu.c b/arch/arm64/kvm/hyp/nvhe/iommu.c
new file mode 100644
index 0000000..9327dd7
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/iommu.c
@@ -0,0 +1,554 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <linux/kvm_host.h>
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pkvm.h>
+
+#include <hyp/adjust_pc.h>
+#include <nvhe/iommu.h>
+#include <nvhe/mm.h>
+
+enum {
+	IOMMU_DRIVER_NOT_READY = 0,
+	IOMMU_DRIVER_INITIALIZING,
+	IOMMU_DRIVER_READY,
+};
+
+struct pkvm_iommu_driver {
+	const struct pkvm_iommu_ops *ops;
+	atomic_t state;
+};
+
+static struct pkvm_iommu_driver iommu_drivers[PKVM_IOMMU_NR_DRIVERS];
+
+/* IOMMU device list. Must only be accessed with host_kvm.lock held. */
+static LIST_HEAD(iommu_list);
+
+static bool iommu_finalized;
+static DEFINE_HYP_SPINLOCK(iommu_registration_lock);
+
+static void *iommu_mem_pool;
+static size_t iommu_mem_remaining;
+
+static void assert_host_component_locked(void)
+{
+	hyp_assert_lock_held(&host_kvm.lock);
+}
+
+static void host_lock_component(void)
+{
+	hyp_spin_lock(&host_kvm.lock);
+}
+
+static void host_unlock_component(void)
+{
+	hyp_spin_unlock(&host_kvm.lock);
+}
+
+/*
+ * Find IOMMU driver by its ID. The input ID is treated as unstrusted
+ * and is properly validated.
+ */
+static inline struct pkvm_iommu_driver *get_driver(enum pkvm_iommu_driver_id id)
+{
+	size_t index = (size_t)id;
+
+	if (index >= ARRAY_SIZE(iommu_drivers))
+		return NULL;
+
+	return &iommu_drivers[index];
+}
+
+static const struct pkvm_iommu_ops *get_driver_ops(enum pkvm_iommu_driver_id id)
+{
+	switch (id) {
+	case PKVM_IOMMU_DRIVER_S2MPU:
+		return IS_ENABLED(CONFIG_KVM_S2MPU) ? &pkvm_s2mpu_ops : NULL;
+	case PKVM_IOMMU_DRIVER_SYSMMU_SYNC:
+		return IS_ENABLED(CONFIG_KVM_S2MPU) ? &pkvm_sysmmu_sync_ops : NULL;
+	default:
+		return NULL;
+	}
+}
+
+static inline bool driver_acquire_init(struct pkvm_iommu_driver *drv)
+{
+	return atomic_cmpxchg_acquire(&drv->state, IOMMU_DRIVER_NOT_READY,
+				      IOMMU_DRIVER_INITIALIZING)
+			== IOMMU_DRIVER_NOT_READY;
+}
+
+static inline void driver_release_init(struct pkvm_iommu_driver *drv,
+				       bool success)
+{
+	atomic_set_release(&drv->state, success ? IOMMU_DRIVER_READY
+						: IOMMU_DRIVER_NOT_READY);
+}
+
+static inline bool is_driver_ready(struct pkvm_iommu_driver *drv)
+{
+	return atomic_read(&drv->state) == IOMMU_DRIVER_READY;
+}
+
+static size_t __iommu_alloc_size(struct pkvm_iommu_driver *drv)
+{
+	return ALIGN(sizeof(struct pkvm_iommu) + drv->ops->data_size,
+		     sizeof(unsigned long));
+}
+
+/* Global memory pool for allocating IOMMU list entry structs. */
+static inline struct pkvm_iommu *alloc_iommu(struct pkvm_iommu_driver *drv,
+					     void *mem, size_t mem_size)
+{
+	size_t size = __iommu_alloc_size(drv);
+	void *ptr;
+
+	assert_host_component_locked();
+
+	/*
+	 * If new memory is being provided, replace the existing pool with it.
+	 * Any remaining memory in the pool is discarded.
+	 */
+	if (mem && mem_size) {
+		iommu_mem_pool = mem;
+		iommu_mem_remaining = mem_size;
+	}
+
+	if (size > iommu_mem_remaining)
+		return NULL;
+
+	ptr = iommu_mem_pool;
+	iommu_mem_pool += size;
+	iommu_mem_remaining -= size;
+	return ptr;
+}
+
+static inline void free_iommu(struct pkvm_iommu_driver *drv, struct pkvm_iommu *ptr)
+{
+	size_t size = __iommu_alloc_size(drv);
+
+	assert_host_component_locked();
+
+	if (!ptr)
+		return;
+
+	/* Only allow freeing the last allocated buffer. */
+	if ((void*)ptr + size != iommu_mem_pool)
+		return;
+
+	iommu_mem_pool -= size;
+	iommu_mem_remaining += size;
+}
+
+static bool is_overlap(phys_addr_t r1_start, size_t r1_size,
+		       phys_addr_t r2_start, size_t r2_size)
+{
+	phys_addr_t r1_end = r1_start + r1_size;
+	phys_addr_t r2_end = r2_start + r2_size;
+
+	return (r1_start < r2_end) && (r2_start < r1_end);
+}
+
+static bool is_mmio_range(phys_addr_t base, size_t size)
+{
+	struct memblock_region *reg;
+	phys_addr_t limit = BIT(host_kvm.pgt.ia_bits);
+	size_t i;
+
+	/* Check against limits of host IPA space. */
+	if ((base >= limit) || !size || (size > limit - base))
+		return false;
+
+	for (i = 0; i < hyp_memblock_nr; i++) {
+		reg = &hyp_memory[i];
+		if (is_overlap(base, size, reg->base, reg->size))
+			return false;
+	}
+	return true;
+}
+
+static int __snapshot_host_stage2(u64 start, u64 pa_max, u32 level,
+				  kvm_pte_t *ptep,
+				  enum kvm_pgtable_walk_flags flags,
+				  void * const arg)
+{
+	struct pkvm_iommu_driver * const drv = arg;
+	u64 end = start + kvm_granule_size(level);
+	kvm_pte_t pte = *ptep;
+
+	/*
+	 * Valid stage-2 entries are created lazily, invalid ones eagerly.
+	 * Note: In the future we may need to check if [start,end) is MMIO.
+	 * Note: Drivers initialize their PTs to all memory owned by the host,
+	 * so we only call the driver on regions where that is not the case.
+	 */
+	if (pte && !kvm_pte_valid(pte))
+		drv->ops->host_stage2_idmap_prepare(start, end, /*prot*/ 0);
+	return 0;
+}
+
+static int snapshot_host_stage2(struct pkvm_iommu_driver * const drv)
+{
+	struct kvm_pgtable_walker walker = {
+		.cb	= __snapshot_host_stage2,
+		.arg	= drv,
+		.flags	= KVM_PGTABLE_WALK_LEAF,
+	};
+	struct kvm_pgtable *pgt = &host_kvm.pgt;
+
+	if (!drv->ops->host_stage2_idmap_prepare)
+		return 0;
+
+	return kvm_pgtable_walk(pgt, 0, BIT(pgt->ia_bits), &walker);
+}
+
+static bool validate_against_existing_iommus(struct pkvm_iommu *dev)
+{
+	struct pkvm_iommu *other;
+
+	assert_host_component_locked();
+
+	list_for_each_entry(other, &iommu_list, list) {
+		/* Device ID must be unique. */
+		if (dev->id == other->id)
+			return false;
+
+		/* MMIO regions must not overlap. */
+		if (is_overlap(dev->pa, dev->size, other->pa, other->size))
+			return false;
+	}
+	return true;
+}
+
+static struct pkvm_iommu *find_iommu_by_id(unsigned long id)
+{
+	struct pkvm_iommu *dev;
+
+	assert_host_component_locked();
+
+	list_for_each_entry(dev, &iommu_list, list) {
+		if (dev->id == id)
+			return dev;
+	}
+	return NULL;
+}
+
+/*
+ * Initialize EL2 IOMMU driver.
+ *
+ * This is a common hypercall for driver initialization. Driver-specific
+ * arguments are passed in a shared memory buffer. The driver is expected to
+ * initialize it's page-table bookkeeping.
+ */
+int __pkvm_iommu_driver_init(enum pkvm_iommu_driver_id id, void *data, size_t size)
+{
+	struct pkvm_iommu_driver *drv;
+	const struct pkvm_iommu_ops *ops;
+	int ret = 0;
+
+	data = kern_hyp_va(data);
+
+	/* New driver initialization not allowed after __pkvm_iommu_finalize(). */
+	hyp_spin_lock(&iommu_registration_lock);
+	if (iommu_finalized) {
+		ret = -EPERM;
+		goto out_unlock;
+	}
+
+	drv = get_driver(id);
+	ops = get_driver_ops(id);
+	if (!drv || !ops) {
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+
+	if (!driver_acquire_init(drv)) {
+		ret = -EBUSY;
+		goto out_unlock;
+	}
+
+	drv->ops = ops;
+
+	/* This can change stage-2 mappings. */
+	if (ops->init) {
+		ret = hyp_pin_shared_mem(data, data + size);
+		if (!ret) {
+			ret = ops->init(data, size);
+			hyp_unpin_shared_mem(data, data + size);
+		}
+		if (ret)
+			goto out_release;
+	}
+
+	/*
+	 * Walk host stage-2 and pass current mappings to the driver. Start
+	 * accepting host stage-2 updates as soon as the host lock is released.
+	 */
+	host_lock_component();
+	ret = snapshot_host_stage2(drv);
+	if (!ret)
+		driver_release_init(drv, /*success=*/true);
+	host_unlock_component();
+
+out_release:
+	if (ret)
+		driver_release_init(drv, /*success=*/false);
+
+out_unlock:
+	hyp_spin_unlock(&iommu_registration_lock);
+	return ret;
+}
+
+int __pkvm_iommu_register(unsigned long dev_id,
+			  enum pkvm_iommu_driver_id drv_id,
+			  phys_addr_t dev_pa, size_t dev_size,
+			  unsigned long parent_id,
+			  void *kern_mem_va, size_t mem_size)
+{
+	struct pkvm_iommu *dev = NULL;
+	struct pkvm_iommu_driver *drv;
+	void *mem_va = NULL;
+	int ret = 0;
+
+	/* New device registration not allowed after __pkvm_iommu_finalize(). */
+	hyp_spin_lock(&iommu_registration_lock);
+	if (iommu_finalized) {
+		ret = -EPERM;
+		goto out_unlock;
+	}
+
+	drv = get_driver(drv_id);
+	if (!drv || !is_driver_ready(drv)) {
+		ret = -ENOENT;
+		goto out_unlock;
+	}
+
+	if (!PAGE_ALIGNED(dev_pa) || !PAGE_ALIGNED(dev_size)) {
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+
+	if (!is_mmio_range(dev_pa, dev_size)) {
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+
+	/*
+	 * Accept memory donation if the host is providing new memory.
+	 * Note: We do not return the memory even if there is an error later.
+	 */
+	if (kern_mem_va && mem_size) {
+		mem_va = kern_hyp_va(kern_mem_va);
+
+		if (!PAGE_ALIGNED(mem_va) || !PAGE_ALIGNED(mem_size)) {
+			ret = -EINVAL;
+			goto out_unlock;
+		}
+
+		ret = __pkvm_host_donate_hyp(hyp_virt_to_pfn(mem_va),
+					     mem_size >> PAGE_SHIFT);
+		if (ret)
+			goto out_unlock;
+	}
+
+	host_lock_component();
+
+	/* Allocate memory for the new device entry. */
+	dev = alloc_iommu(drv, mem_va, mem_size);
+	if (!dev) {
+		ret = -ENOMEM;
+		goto out_free;
+	}
+
+	/* Populate the new device entry. */
+	*dev = (struct pkvm_iommu){
+		.children = LIST_HEAD_INIT(dev->children),
+		.id = dev_id,
+		.ops = drv->ops,
+		.pa = dev_pa,
+		.size = dev_size,
+	};
+
+	if (!validate_against_existing_iommus(dev)) {
+		ret = -EBUSY;
+		goto out_free;
+	}
+
+	if (parent_id) {
+		dev->parent = find_iommu_by_id(parent_id);
+		if (!dev->parent) {
+			ret = -EINVAL;
+			goto out_free;
+		}
+
+		if (dev->parent->ops->validate_child) {
+			ret = dev->parent->ops->validate_child(dev->parent, dev);
+			if (ret)
+				goto out_free;
+		}
+	}
+
+	if (dev->ops->validate) {
+		ret = dev->ops->validate(dev);
+		if (ret)
+			goto out_free;
+	}
+
+	/*
+	 * Unmap the device's MMIO range from host stage-2. If registration
+	 * is successful, future attempts to re-map will be blocked by
+	 * pkvm_iommu_host_stage2_adjust_range.
+	 */
+	ret = host_stage2_unmap_dev_locked(dev_pa, dev_size);
+	if (ret)
+		goto out_free;
+
+	/* Create EL2 mapping for the device. Do it last as it is irreversible. */
+	dev->va = (void *)__pkvm_create_private_mapping(dev_pa, dev_size,
+							PAGE_HYP_DEVICE);
+	if (IS_ERR(dev->va)) {
+		ret = PTR_ERR(dev->va);
+		goto out_free;
+	}
+
+	/* Register device and prevent host from mapping the MMIO range. */
+	list_add_tail(&dev->list, &iommu_list);
+	if (dev->parent)
+		list_add_tail(&dev->siblings, &dev->parent->children);
+
+out_free:
+	if (ret)
+		free_iommu(drv, dev);
+	host_unlock_component();
+
+out_unlock:
+	hyp_spin_unlock(&iommu_registration_lock);
+	return ret;
+}
+
+int __pkvm_iommu_finalize(void)
+{
+	int ret = 0;
+
+	hyp_spin_lock(&iommu_registration_lock);
+	if (!iommu_finalized)
+		iommu_finalized = true;
+	else
+		ret = -EPERM;
+	hyp_spin_unlock(&iommu_registration_lock);
+	return ret;
+}
+
+int __pkvm_iommu_pm_notify(unsigned long dev_id, enum pkvm_iommu_pm_event event)
+{
+	struct pkvm_iommu *dev;
+	int ret;
+
+	host_lock_component();
+	dev = find_iommu_by_id(dev_id);
+	if (dev) {
+		if (event == PKVM_IOMMU_PM_SUSPEND) {
+			ret = dev->ops->suspend ? dev->ops->suspend(dev) : 0;
+			if (!ret)
+				dev->powered = false;
+		} else if (event == PKVM_IOMMU_PM_RESUME) {
+			ret = dev->ops->resume ? dev->ops->resume(dev) : 0;
+			if (!ret)
+				dev->powered = true;
+		} else {
+			ret = -EINVAL;
+		}
+	} else {
+		ret = -ENODEV;
+	}
+	host_unlock_component();
+	return ret;
+}
+
+/*
+ * Check host memory access against IOMMUs' MMIO regions.
+ * Returns -EPERM if the address is within the bounds of a registered device.
+ * Otherwise returns zero and adjusts boundaries of the new mapping to avoid
+ * MMIO regions of registered IOMMUs.
+ */
+int pkvm_iommu_host_stage2_adjust_range(phys_addr_t addr, phys_addr_t *start,
+					phys_addr_t *end)
+{
+	struct pkvm_iommu *dev;
+	phys_addr_t new_start = *start;
+	phys_addr_t new_end = *end;
+	phys_addr_t dev_start, dev_end;
+
+	assert_host_component_locked();
+
+	list_for_each_entry(dev, &iommu_list, list) {
+		dev_start = dev->pa;
+		dev_end = dev_start + dev->size;
+
+		if (addr < dev_start)
+			new_end = min(new_end, dev_start);
+		else if (addr >= dev_end)
+			new_start = max(new_start, dev_end);
+		else
+			return -EPERM;
+	}
+
+	*start = new_start;
+	*end = new_end;
+	return 0;
+}
+
+bool pkvm_iommu_host_dabt_handler(struct kvm_cpu_context *host_ctxt, u32 esr,
+				  phys_addr_t pa)
+{
+	struct pkvm_iommu *dev;
+
+	assert_host_component_locked();
+
+	list_for_each_entry(dev, &iommu_list, list) {
+		if (pa < dev->pa || pa >= dev->pa + dev->size)
+			continue;
+
+		/* No 'powered' check - the host assumes it is powered. */
+		if (!dev->ops->host_dabt_handler ||
+		    !dev->ops->host_dabt_handler(dev, host_ctxt, esr, pa - dev->pa))
+			return false;
+
+		kvm_skip_host_instr();
+		return true;
+	}
+	return false;
+}
+
+void pkvm_iommu_host_stage2_idmap(phys_addr_t start, phys_addr_t end,
+				  enum kvm_pgtable_prot prot)
+{
+	struct pkvm_iommu_driver *drv;
+	struct pkvm_iommu *dev;
+	size_t i;
+
+	assert_host_component_locked();
+
+	for (i = 0; i < ARRAY_SIZE(iommu_drivers); i++) {
+		drv = get_driver(i);
+		if (drv && is_driver_ready(drv) && drv->ops->host_stage2_idmap_prepare)
+			drv->ops->host_stage2_idmap_prepare(start, end, prot);
+	}
+
+	list_for_each_entry(dev, &iommu_list, list) {
+		if (dev->powered && dev->ops->host_stage2_idmap_apply)
+			dev->ops->host_stage2_idmap_apply(dev, start, end);
+	}
+
+	list_for_each_entry(dev, &iommu_list, list) {
+		if (dev->powered && dev->ops->host_stage2_idmap_complete)
+			dev->ops->host_stage2_idmap_complete(dev);
+	}
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c b/arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c
new file mode 100644
index 0000000..8da0e43
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c
@@ -0,0 +1,622 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <linux/kvm_host.h>
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_s2mpu.h>
+
+#include <linux/arm-smccc.h>
+
+#include <nvhe/iommu.h>
+#include <nvhe/memory.h>
+#include <nvhe/mm.h>
+#include <nvhe/spinlock.h>
+#include <nvhe/trap_handler.h>
+
+#define SMC_CMD_PREPARE_PD_ONOFF	0x82000410
+#define SMC_MODE_POWER_UP		1
+
+#define PA_MAX				((phys_addr_t)SZ_1G * NR_GIGABYTES)
+
+#define SYNC_MAX_RETRIES		5
+#define SYNC_TIMEOUT			5
+#define SYNC_TIMEOUT_MULTIPLIER		3
+
+#define CTX_CFG_ENTRY(ctxid, nr_ctx, vid) \
+	(CONTEXT_CFG_VALID_VID_CTX_VID(ctxid, vid) \
+	 | (((ctxid) < (nr_ctx)) ? CONTEXT_CFG_VALID_VID_CTX_VALID(ctxid) : 0))
+
+#define for_each_child(child, dev) \
+	list_for_each_entry((child), &(dev)->children, siblings)
+
+struct s2mpu_drv_data {
+	u32 version;
+	u32 context_cfg_valid_vid;
+};
+
+static struct mpt host_mpt;
+
+static inline enum mpt_prot prot_to_mpt(enum kvm_pgtable_prot prot)
+{
+	return ((prot & KVM_PGTABLE_PROT_R) ? MPT_PROT_R : 0) |
+	       ((prot & KVM_PGTABLE_PROT_W) ? MPT_PROT_W : 0);
+}
+
+static bool is_version(struct pkvm_iommu *dev, u32 version)
+{
+	struct s2mpu_drv_data *data = (struct s2mpu_drv_data *)dev->data;
+
+	return (data->version & VERSION_CHECK_MASK) == version;
+}
+
+static u32 __context_cfg_valid_vid(struct pkvm_iommu *dev, u32 vid_bmap)
+{
+	struct s2mpu_drv_data *data = (struct s2mpu_drv_data *)dev->data;
+	u8 ctx_vid[NR_CTX_IDS] = { 0 };
+	unsigned int vid, ctx = 0;
+	unsigned int num_ctx;
+	u32 res;
+
+	/* Only initialize once. */
+	if (data->context_cfg_valid_vid)
+		return data->context_cfg_valid_vid;
+
+	num_ctx = readl_relaxed(dev->va + REG_NS_NUM_CONTEXT) & NUM_CONTEXT_MASK;
+	while (vid_bmap) {
+		/* Break if we cannot allocate more. */
+		if (ctx >= num_ctx)
+			break;
+
+		vid = __ffs(vid_bmap);
+		vid_bmap &= ~BIT(vid);
+		ctx_vid[ctx++] = vid;
+	}
+
+	/* The following loop was unrolled so bitmasks are constant. */
+	BUILD_BUG_ON(NR_CTX_IDS != 8);
+	res = CTX_CFG_ENTRY(0, ctx, ctx_vid[0])
+	    | CTX_CFG_ENTRY(1, ctx, ctx_vid[1])
+	    | CTX_CFG_ENTRY(2, ctx, ctx_vid[2])
+	    | CTX_CFG_ENTRY(3, ctx, ctx_vid[3])
+	    | CTX_CFG_ENTRY(4, ctx, ctx_vid[4])
+	    | CTX_CFG_ENTRY(5, ctx, ctx_vid[5])
+	    | CTX_CFG_ENTRY(6, ctx, ctx_vid[6])
+	    | CTX_CFG_ENTRY(7, ctx, ctx_vid[7]);
+
+	data->context_cfg_valid_vid = res;
+	return res;
+}
+
+static int __initialize_v9(struct pkvm_iommu *dev)
+{
+	u32 ssmt_valid_vid_bmap, ctx_cfg;
+
+	/* Assume all VIDs may be generated by the connected SSMTs for now. */
+	ssmt_valid_vid_bmap = ALL_VIDS_BITMAP;
+	ctx_cfg = __context_cfg_valid_vid(dev, ssmt_valid_vid_bmap);
+	if (!ctx_cfg)
+		return -EINVAL;
+
+	/*
+	 * Write CONTEXT_CFG_VALID_VID configuration before touching L1ENTRY*
+	 * registers. Writes to those registers are ignored unless there is
+	 * a context ID allocated to the corresponding VID (v9 only).
+	 */
+	writel_relaxed(ctx_cfg, dev->va + REG_NS_CONTEXT_CFG_VALID_VID);
+	return 0;
+}
+
+static int __initialize(struct pkvm_iommu *dev)
+{
+	struct s2mpu_drv_data *data = (struct s2mpu_drv_data *)dev->data;
+
+	if (!data->version)
+		data->version = readl_relaxed(dev->va + REG_NS_VERSION);
+
+	switch (data->version & VERSION_CHECK_MASK) {
+	case S2MPU_VERSION_8:
+		return 0;
+	case S2MPU_VERSION_9:
+		return __initialize_v9(dev);
+	default:
+		return -EINVAL;
+	}
+}
+
+static void __set_control_regs(struct pkvm_iommu *dev)
+{
+	u32 ctrl0 = 0, irq_vids;
+
+	/*
+	 * Note: We set the values of CTRL0, CTRL1 and CFG registers here but we
+	 * still rely on the correctness of their reset values. S2MPUs *must*
+	 * reset to a state where all DMA traffic is blocked until the hypervisor
+	 * writes its configuration to the S2MPU. A malicious EL1 could otherwise
+	 * attempt to bypass the permission checks in the window between powering
+	 * on the S2MPU and this function being called.
+	 */
+
+	/* Enable the S2MPU, otherwise all traffic would be allowed through. */
+	ctrl0 |= CTRL0_ENABLE;
+
+	/*
+	 * Enable interrupts on fault for all VIDs. The IRQ must also be
+	 * specified in DT to get unmasked in the GIC.
+	 */
+	ctrl0 |= CTRL0_INTERRUPT_ENABLE;
+	irq_vids = ALL_VIDS_BITMAP;
+
+	/* Return SLVERR/DECERR to device on permission fault. */
+	ctrl0 |= is_version(dev, S2MPU_VERSION_9) ? CTRL0_FAULT_RESP_TYPE_DECERR
+						  : CTRL0_FAULT_RESP_TYPE_SLVERR;
+
+	writel_relaxed(irq_vids, dev->va + REG_NS_INTERRUPT_ENABLE_PER_VID_SET);
+	writel_relaxed(0, dev->va + REG_NS_CFG);
+	writel_relaxed(0, dev->va + REG_NS_CTRL1);
+	writel_relaxed(ctrl0, dev->va + REG_NS_CTRL0);
+}
+
+/*
+ * Poll the given SFR until its value has all bits of a given mask set.
+ * Returns true if successful, false if not successful after a given number of
+ * attempts.
+ */
+static bool __wait_until(void __iomem *addr, u32 mask, size_t max_attempts)
+{
+	size_t i;
+
+	for (i = 0; i < max_attempts; i++) {
+		if ((readl_relaxed(addr) & mask) == mask)
+			return true;
+	}
+	return false;
+}
+
+/* Poll the given SFR as long as its value has all bits of a given mask set. */
+static void __wait_while(void __iomem *addr, u32 mask)
+{
+	while ((readl_relaxed(addr) & mask) == mask)
+		continue;
+}
+
+static void __sync_cmd_start(struct pkvm_iommu *sync)
+{
+	writel_relaxed(SYNC_CMD_SYNC, sync->va + REG_NS_SYNC_CMD);
+}
+
+static void __invalidation_barrier_slow(struct pkvm_iommu *sync)
+{
+	size_t i, timeout;
+
+	/*
+	 * Wait for transactions to drain if SysMMU_SYNCs were registered.
+	 * Assumes that they are in the same power domain as the S2MPU.
+	 *
+	 * The algorithm will try initiating the SYNC if the SYNC_COMP_COMPLETE
+	 * bit has not been set after a given number of attempts, increasing the
+	 * timeout exponentially each time. If this cycle fails a given number
+	 * of times, the algorithm will give up completely to avoid deadlock.
+	 */
+	timeout = SYNC_TIMEOUT;
+	for (i = 0; i < SYNC_MAX_RETRIES; i++) {
+		__sync_cmd_start(sync);
+		if (__wait_until(sync->va + REG_NS_SYNC_COMP, SYNC_COMP_COMPLETE, timeout))
+			break;
+		timeout *= SYNC_TIMEOUT_MULTIPLIER;
+	}
+}
+
+/* Initiate invalidation barrier. */
+static void __invalidation_barrier_init(struct pkvm_iommu *dev)
+{
+	struct pkvm_iommu *sync;
+
+	for_each_child(sync, dev)
+		__sync_cmd_start(sync);
+}
+
+/* Wait for invalidation to complete. */
+static void __invalidation_barrier_complete(struct pkvm_iommu *dev)
+{
+	struct pkvm_iommu *sync;
+
+	/*
+	 * Check if the SYNC_COMP_COMPLETE bit has been set for individual
+	 * devices. If not, fall back to non-parallel invalidation.
+	 */
+	for_each_child(sync, dev) {
+		if (!(readl_relaxed(sync->va + REG_NS_SYNC_COMP) & SYNC_COMP_COMPLETE))
+			__invalidation_barrier_slow(sync);
+	}
+
+	/* Must not access SFRs while S2MPU is busy invalidating (v9 only). */
+	if (is_version(dev, S2MPU_VERSION_9)) {
+		__wait_while(dev->va + REG_NS_STATUS,
+			     STATUS_BUSY | STATUS_ON_INVALIDATING);
+	}
+}
+
+static void __all_invalidation(struct pkvm_iommu *dev)
+{
+	writel_relaxed(INVALIDATION_INVALIDATE, dev->va + REG_NS_ALL_INVALIDATION);
+	__invalidation_barrier_init(dev);
+	__invalidation_barrier_complete(dev);
+}
+
+static void __range_invalidation_init(struct pkvm_iommu *dev, phys_addr_t first_byte,
+				      phys_addr_t last_byte)
+{
+	u32 start_ppn = first_byte >> RANGE_INVALIDATION_PPN_SHIFT;
+	u32 end_ppn = last_byte >> RANGE_INVALIDATION_PPN_SHIFT;
+
+	writel_relaxed(start_ppn, dev->va + REG_NS_RANGE_INVALIDATION_START_PPN);
+	writel_relaxed(end_ppn, dev->va + REG_NS_RANGE_INVALIDATION_END_PPN);
+	writel_relaxed(INVALIDATION_INVALIDATE, dev->va + REG_NS_RANGE_INVALIDATION);
+	__invalidation_barrier_init(dev);
+}
+
+static void __set_l1entry_attr_with_prot(struct pkvm_iommu *dev, unsigned int gb,
+					 unsigned int vid, enum mpt_prot prot)
+{
+	writel_relaxed(L1ENTRY_ATTR_1G(prot),
+		       dev->va + REG_NS_L1ENTRY_ATTR(vid, gb));
+}
+
+static void __set_l1entry_attr_with_fmpt(struct pkvm_iommu *dev, unsigned int gb,
+					 unsigned int vid, struct fmpt *fmpt)
+{
+	if (fmpt->gran_1g) {
+		__set_l1entry_attr_with_prot(dev, gb, vid, fmpt->prot);
+	} else {
+		/* Order against writes to the SMPT. */
+		writel(L1ENTRY_ATTR_L2(SMPT_GRAN_ATTR),
+		       dev->va + REG_NS_L1ENTRY_ATTR(vid, gb));
+	}
+}
+
+static void __set_l1entry_l2table_addr(struct pkvm_iommu *dev, unsigned int gb,
+				       unsigned int vid, phys_addr_t addr)
+{
+	/* Order against writes to the SMPT. */
+	writel(L1ENTRY_L2TABLE_ADDR(addr),
+	       dev->va + REG_NS_L1ENTRY_L2TABLE_ADDR(vid, gb));
+}
+
+/*
+ * Initialize S2MPU device and set all GB regions to 1G granularity with
+ * given protection bits.
+ */
+static int initialize_with_prot(struct pkvm_iommu *dev, enum mpt_prot prot)
+{
+	unsigned int gb, vid;
+	int ret;
+
+	ret = __initialize(dev);
+	if (ret)
+		return ret;
+
+	for_each_gb_and_vid(gb, vid)
+		__set_l1entry_attr_with_prot(dev, gb, vid, prot);
+	__all_invalidation(dev);
+
+	/* Set control registers, enable the S2MPU. */
+	__set_control_regs(dev);
+	return 0;
+}
+
+/*
+ * Initialize S2MPU device, set L2 table addresses and configure L1TABLE_ATTR
+ * registers according to the given MPT struct.
+ */
+static int initialize_with_mpt(struct pkvm_iommu *dev, struct mpt *mpt)
+{
+	unsigned int gb, vid;
+	struct fmpt *fmpt;
+	int ret;
+
+	ret = __initialize(dev);
+	if (ret)
+		return ret;
+
+	for_each_gb_and_vid(gb, vid) {
+		fmpt = &mpt->fmpt[gb];
+		__set_l1entry_l2table_addr(dev, gb, vid, __hyp_pa(fmpt->smpt));
+		__set_l1entry_attr_with_fmpt(dev, gb, vid, fmpt);
+	}
+	__all_invalidation(dev);
+
+	/* Set control registers, enable the S2MPU. */
+	__set_control_regs(dev);
+	return 0;
+}
+
+static bool to_valid_range(phys_addr_t *start, phys_addr_t *end)
+{
+	phys_addr_t new_start = *start;
+	phys_addr_t new_end = *end;
+
+	if (new_end > PA_MAX)
+		new_end = PA_MAX;
+
+	new_start = ALIGN_DOWN(new_start, SMPT_GRAN);
+	new_end = ALIGN(new_end, SMPT_GRAN);
+
+	if (new_start >= new_end)
+		return false;
+
+	*start = new_start;
+	*end = new_end;
+	return true;
+}
+
+static void __mpt_idmap_prepare(struct mpt *mpt, phys_addr_t first_byte,
+				phys_addr_t last_byte, enum mpt_prot prot)
+{
+	unsigned int first_gb = first_byte / SZ_1G;
+	unsigned int last_gb = last_byte / SZ_1G;
+	size_t start_gb_byte, end_gb_byte;
+	unsigned int gb;
+	struct fmpt *fmpt;
+
+	for_each_gb_in_range(gb, first_gb, last_gb) {
+		fmpt = &mpt->fmpt[gb];
+		start_gb_byte = (gb == first_gb) ? first_byte % SZ_1G : 0;
+		end_gb_byte = (gb == last_gb) ? (last_byte % SZ_1G) + 1 : SZ_1G;
+
+		__set_fmpt_range(fmpt, start_gb_byte, end_gb_byte, prot);
+
+		if (fmpt->flags & MPT_UPDATE_L2)
+			kvm_flush_dcache_to_poc(fmpt->smpt, SMPT_SIZE);
+	}
+}
+
+static void __mpt_idmap_apply(struct pkvm_iommu *dev, struct mpt *mpt,
+			      phys_addr_t first_byte, phys_addr_t last_byte)
+{
+	unsigned int first_gb = first_byte / SZ_1G;
+	unsigned int last_gb = last_byte / SZ_1G;
+	unsigned int gb, vid;
+	struct fmpt *fmpt;
+
+	for_each_gb_in_range(gb, first_gb, last_gb) {
+		fmpt = &mpt->fmpt[gb];
+
+		if (fmpt->flags & MPT_UPDATE_L1) {
+			for_each_vid(vid)
+				__set_l1entry_attr_with_fmpt(dev, gb, vid, fmpt);
+		}
+	}
+	/* Initiate invalidation, completed in __mdt_idmap_complete. */
+	__range_invalidation_init(dev, first_byte, last_byte);
+}
+
+static void __mpt_idmap_complete(struct pkvm_iommu *dev, struct mpt *mpt)
+{
+	__invalidation_barrier_complete(dev);
+}
+
+static void s2mpu_host_stage2_idmap_prepare(phys_addr_t start, phys_addr_t end,
+					    enum kvm_pgtable_prot prot)
+{
+	if (!to_valid_range(&start, &end))
+		return;
+
+	__mpt_idmap_prepare(&host_mpt, start, end - 1, prot_to_mpt(prot));
+}
+
+static void s2mpu_host_stage2_idmap_apply(struct pkvm_iommu *dev,
+					  phys_addr_t start, phys_addr_t end)
+{
+	if (!to_valid_range(&start, &end))
+		return;
+
+	__mpt_idmap_apply(dev, &host_mpt, start, end - 1);
+}
+
+static void s2mpu_host_stage2_idmap_complete(struct pkvm_iommu *dev)
+{
+	__mpt_idmap_complete(dev, &host_mpt);
+}
+
+static int s2mpu_resume(struct pkvm_iommu *dev)
+{
+	/*
+	 * Initialize the S2MPU with the host stage-2 MPT. It is paramount
+	 * that the S2MPU reset state is enabled and blocking all traffic,
+	 * otherwise the host would not be forced to call the resume HVC
+	 * before issuing DMA traffic.
+	 */
+	return initialize_with_mpt(dev, &host_mpt);
+}
+
+static int s2mpu_suspend(struct pkvm_iommu *dev)
+{
+	/*
+	 * Stop updating the S2MPU when the host informs us about the intention
+	 * to suspend it. Writes to powered-down MMIO registers would trigger
+	 * SErrors in EL1 otherwise. However, hyp must put S2MPU back to
+	 * blocking state first, in case the host does not actually power it
+	 * down and continues issuing DMA traffic.
+	 */
+	return initialize_with_prot(dev, MPT_PROT_NONE);
+}
+
+static u32 host_mmio_reg_access_mask(size_t off, bool is_write)
+{
+	const u32 no_access  = 0;
+	const u32 read_write = (u32)(-1);
+	const u32 read_only  = is_write ? no_access  : read_write;
+	const u32 write_only = is_write ? read_write : no_access;
+	u32 masked_off;
+
+	switch (off) {
+	/* Allow reading control registers for debugging. */
+	case REG_NS_CTRL0:
+		return read_only & CTRL0_MASK;
+	case REG_NS_CTRL1:
+		return read_only & CTRL1_MASK;
+	case REG_NS_CFG:
+		return read_only & CFG_MASK;
+	/* Allow EL1 IRQ handler to clear interrupts. */
+	case REG_NS_INTERRUPT_CLEAR:
+		return write_only & ALL_VIDS_BITMAP;
+	/* Allow reading number of sets used by MPTC. */
+	case REG_NS_INFO:
+		return read_only & INFO_NUM_SET_MASK;
+	/* Allow EL1 IRQ handler to read bitmap of pending interrupts. */
+	case REG_NS_FAULT_STATUS:
+		return read_only & ALL_VIDS_BITMAP;
+	/*
+	 * Allow reading MPTC entries for debugging. That involves:
+	 *   - writing (set,way) to READ_MPTC
+	 *   - reading READ_MPTC_*
+	 */
+	case REG_NS_READ_MPTC:
+		return write_only & READ_MPTC_MASK;
+	case REG_NS_READ_MPTC_TAG_PPN:
+		return read_only & READ_MPTC_TAG_PPN_MASK;
+	case REG_NS_READ_MPTC_TAG_OTHERS:
+		return read_only & READ_MPTC_TAG_OTHERS_MASK;
+	case REG_NS_READ_MPTC_DATA:
+		return read_only;
+	}
+
+	/* Allow reading L1ENTRY registers for debugging. */
+	if (off >= REG_NS_L1ENTRY_L2TABLE_ADDR(0, 0) &&
+	    off < REG_NS_L1ENTRY_ATTR(NR_VIDS, 0))
+		return read_only;
+
+	/* Allow EL1 IRQ handler to read fault information. */
+	masked_off = off & ~REG_NS_FAULT_VID_MASK;
+	if ((masked_off == REG_NS_FAULT_PA_LOW(0)) ||
+	    (masked_off == REG_NS_FAULT_PA_HIGH(0)) ||
+	    (masked_off == REG_NS_FAULT_INFO(0)))
+		return read_only;
+
+	return no_access;
+}
+
+static bool s2mpu_host_dabt_handler(struct pkvm_iommu *dev,
+				    struct kvm_cpu_context *host_ctxt,
+				    u32 esr, size_t off)
+{
+	bool is_write = esr & ESR_ELx_WNR;
+	unsigned int len = BIT((esr & ESR_ELx_SAS) >> ESR_ELx_SAS_SHIFT);
+	int rd = (esr & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT;
+	u32 mask;
+
+	/* Only handle MMIO access with u32 size and alignment. */
+	if ((len != sizeof(u32)) || (off & (sizeof(u32) - 1)))
+		return false;
+
+	mask = host_mmio_reg_access_mask(off, is_write);
+	if (!mask)
+		return false;
+
+	if (is_write)
+		writel_relaxed(cpu_reg(host_ctxt, rd) & mask, dev->va + off);
+	else
+		cpu_reg(host_ctxt, rd) = readl_relaxed(dev->va + off) & mask;
+	return true;
+}
+
+static int s2mpu_init(void *data, size_t size)
+{
+	struct mpt in_mpt;
+	u32 *smpt;
+	phys_addr_t pa;
+	unsigned int gb;
+	int ret = 0;
+
+	if (size != sizeof(in_mpt))
+		return -EINVAL;
+
+	/* The host can concurrently modify 'data'. Copy it to avoid TOCTOU. */
+	memcpy(&in_mpt, data, sizeof(in_mpt));
+
+	/* Take ownership of all SMPT buffers. This will also map them in. */
+	for_each_gb(gb) {
+		smpt = kern_hyp_va(in_mpt.fmpt[gb].smpt);
+		pa = __hyp_pa(smpt);
+
+		if (!IS_ALIGNED(pa, SMPT_SIZE)) {
+			ret = -EINVAL;
+			break;
+		}
+
+		ret = __pkvm_host_donate_hyp(pa >> PAGE_SHIFT, SMPT_NUM_PAGES);
+		if (ret)
+			break;
+
+		host_mpt.fmpt[gb] = (struct fmpt){
+			.smpt = smpt,
+			.gran_1g = true,
+			.prot = MPT_PROT_RW,
+		};
+	}
+
+	/* Try to return memory back if there was an error. */
+	if (ret) {
+		for_each_gb(gb) {
+			smpt = host_mpt.fmpt[gb].smpt;
+			if (!smpt)
+				break;
+
+			WARN_ON(__pkvm_hyp_donate_host(__hyp_pa(smpt) >> PAGE_SHIFT,
+						       SMPT_NUM_PAGES));
+		}
+		memset(&host_mpt, 0, sizeof(host_mpt));
+	}
+
+	return ret;
+}
+
+static int s2mpu_validate(struct pkvm_iommu *dev)
+{
+	if (dev->size != S2MPU_MMIO_SIZE)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int s2mpu_validate_child(struct pkvm_iommu *dev, struct pkvm_iommu *child)
+{
+	if (child->ops != &pkvm_sysmmu_sync_ops)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int sysmmu_sync_validate(struct pkvm_iommu *dev)
+{
+	if (dev->size != SYSMMU_SYNC_S2_MMIO_SIZE)
+		return -EINVAL;
+
+	if (!dev->parent || dev->parent->ops != &pkvm_s2mpu_ops)
+		return -EINVAL;
+
+	return 0;
+}
+
+const struct pkvm_iommu_ops pkvm_s2mpu_ops = (struct pkvm_iommu_ops){
+	.init = s2mpu_init,
+	.validate = s2mpu_validate,
+	.validate_child = s2mpu_validate_child,
+	.resume = s2mpu_resume,
+	.suspend = s2mpu_suspend,
+	.host_stage2_idmap_prepare = s2mpu_host_stage2_idmap_prepare,
+	.host_stage2_idmap_apply = s2mpu_host_stage2_idmap_apply,
+	.host_stage2_idmap_complete = s2mpu_host_stage2_idmap_complete,
+	.host_dabt_handler = s2mpu_host_dabt_handler,
+	.data_size = sizeof(struct s2mpu_drv_data),
+};
+
+const struct pkvm_iommu_ops pkvm_sysmmu_sync_ops = (struct pkvm_iommu_ops){
+	.validate = sysmmu_sync_validate,
+};
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
new file mode 100644
index 0000000..1086b06
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -0,0 +1,2091 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_emulate.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/kvm_pkvm.h>
+#include <asm/stage2_pgtable.h>
+
+#include <hyp/adjust_pc.h>
+#include <hyp/fault.h>
+
+#include <nvhe/gfp.h>
+#include <nvhe/iommu.h>
+#include <nvhe/memory.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+#include <nvhe/pkvm.h>
+
+#define KVM_HOST_S2_FLAGS (KVM_PGTABLE_S2_NOFWB | KVM_PGTABLE_S2_IDMAP)
+
+extern unsigned long hyp_nr_cpus;
+struct host_kvm host_kvm;
+
+static struct hyp_pool host_s2_pool;
+
+static pkvm_id pkvm_guest_id(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.hw_mmu->vmid.vmid;
+
+}
+
+static DEFINE_PER_CPU(struct kvm_shadow_vm *, __current_vm);
+#define current_vm (*this_cpu_ptr(&__current_vm))
+
+static void __guest_lock(struct kvm_shadow_vm *vm)
+{
+	hyp_spin_lock(&vm->lock);
+	current_vm = vm;
+}
+
+static void __guest_unlock(struct kvm_shadow_vm *vm)
+{
+	current_vm = NULL;
+	hyp_spin_unlock(&vm->lock);
+}
+
+static void host_lock_component(void)
+{
+	hyp_spin_lock(&host_kvm.lock);
+}
+
+static void host_unlock_component(void)
+{
+	hyp_spin_unlock(&host_kvm.lock);
+}
+
+static void hyp_lock_component(void)
+{
+	hyp_spin_lock(&pkvm_pgd_lock);
+}
+
+static void hyp_unlock_component(void)
+{
+	hyp_spin_unlock(&pkvm_pgd_lock);
+}
+
+static void guest_lock_component(struct kvm_vcpu *vcpu)
+{
+	__guest_lock(vcpu->arch.pkvm.shadow_vm);
+}
+
+static void guest_unlock_component(struct kvm_vcpu *vcpu)
+{
+	__guest_unlock(vcpu->arch.pkvm.shadow_vm);
+}
+
+static void *host_s2_zalloc_pages_exact(size_t size)
+{
+	void *addr = hyp_alloc_pages(&host_s2_pool, get_order(size));
+
+	hyp_split_page(hyp_virt_to_page(addr));
+
+	/*
+	 * The size of concatenated PGDs is always a power of two of PAGE_SIZE,
+	 * so there should be no need to free any of the tail pages to make the
+	 * allocation exact.
+	 */
+	WARN_ON(size != (PAGE_SIZE << get_order(size)));
+
+	return addr;
+}
+
+static void *host_s2_zalloc_page(void *pool)
+{
+	return hyp_alloc_pages(pool, 0);
+}
+
+static void host_s2_get_page(void *addr)
+{
+	hyp_get_page(&host_s2_pool, addr);
+}
+
+static void host_s2_put_page(void *addr)
+{
+	hyp_put_page(&host_s2_pool, addr);
+}
+
+static int prepare_s2_pool(void *pgt_pool_base)
+{
+	unsigned long nr_pages, pfn;
+	int ret;
+
+	pfn = hyp_virt_to_pfn(pgt_pool_base);
+	nr_pages = host_s2_pgtable_pages();
+	ret = hyp_pool_init(&host_s2_pool, pfn, nr_pages, 0);
+	if (ret)
+		return ret;
+
+	host_kvm.mm_ops = (struct kvm_pgtable_mm_ops) {
+		.zalloc_pages_exact = host_s2_zalloc_pages_exact,
+		.zalloc_page = host_s2_zalloc_page,
+		.phys_to_virt = hyp_phys_to_virt,
+		.virt_to_phys = hyp_virt_to_phys,
+		.page_count = hyp_page_count,
+		.get_page = host_s2_get_page,
+		.put_page = host_s2_put_page,
+	};
+
+	return 0;
+}
+
+static void prepare_host_vtcr(void)
+{
+	u32 parange, phys_shift;
+
+	/* The host stage 2 is id-mapped, so use parange for T0SZ */
+	parange = kvm_get_parange(id_aa64mmfr0_el1_sys_val);
+	phys_shift = id_aa64mmfr0_parange_to_phys_shift(parange);
+
+	host_kvm.arch.vtcr = kvm_get_vtcr(id_aa64mmfr0_el1_sys_val,
+					  id_aa64mmfr1_el1_sys_val, phys_shift);
+}
+
+static bool host_stage2_force_pte_cb(u64 addr, u64 end, enum kvm_pgtable_prot prot);
+
+int kvm_host_prepare_stage2(void *pgt_pool_base)
+{
+	struct kvm_s2_mmu *mmu = &host_kvm.arch.mmu;
+	int ret;
+
+	prepare_host_vtcr();
+	hyp_spin_lock_init(&host_kvm.lock);
+	mmu->arch = &host_kvm.arch;
+
+	ret = prepare_s2_pool(pgt_pool_base);
+	if (ret)
+		return ret;
+
+	ret = __kvm_pgtable_stage2_init(&host_kvm.pgt, mmu,
+					&host_kvm.mm_ops, KVM_HOST_S2_FLAGS,
+					host_stage2_force_pte_cb);
+	if (ret)
+		return ret;
+
+	mmu->pgd_phys = __hyp_pa(host_kvm.pgt.pgd);
+	mmu->pgt = &host_kvm.pgt;
+	WRITE_ONCE(mmu->vmid.vmid_gen, 0);
+	WRITE_ONCE(mmu->vmid.vmid, 0);
+
+	return 0;
+}
+
+static bool guest_stage2_force_pte_cb(u64 addr, u64 end, enum kvm_pgtable_prot prot)
+{
+	return true;
+}
+
+static void *guest_s2_zalloc_pages_exact(size_t size)
+{
+	void *addr = hyp_alloc_pages(&current_vm->pool, get_order(size));
+
+	WARN_ON(size != (PAGE_SIZE << get_order(size)));
+	hyp_split_page(hyp_virt_to_page(addr));
+
+	return addr;
+}
+
+static void guest_s2_free_pages_exact(void *addr, unsigned long size)
+{
+	u8 order = get_order(size);
+	unsigned int i;
+
+	for (i = 0; i < (1 << order); i++)
+		hyp_put_page(&current_vm->pool, addr + (i * PAGE_SIZE));
+}
+
+static void *guest_s2_zalloc_page(void *mc)
+{
+	struct hyp_page *p;
+	void *addr;
+
+	addr = hyp_alloc_pages(&current_vm->pool, 0);
+	if (addr)
+		return addr;
+
+	addr = pop_hyp_memcache(mc, hyp_phys_to_virt);
+	if (!addr)
+		return addr;
+
+	memset(addr, 0, PAGE_SIZE);
+	p = hyp_virt_to_page(addr);
+	memset(p, 0, sizeof(*p));
+	p->refcount = 1;
+
+	return addr;
+}
+
+static void guest_s2_get_page(void *addr)
+{
+	hyp_get_page(&current_vm->pool, addr);
+}
+
+static void guest_s2_put_page(void *addr)
+{
+	hyp_put_page(&current_vm->pool, addr);
+}
+
+static void clean_dcache_guest_page(void *va, size_t size)
+{
+	__clean_dcache_guest_page(hyp_fixmap_map(__hyp_pa(va)), size);
+	hyp_fixmap_unmap();
+}
+
+static void invalidate_icache_guest_page(void *va, size_t size)
+{
+	__invalidate_icache_guest_page(hyp_fixmap_map(__hyp_pa(va)), size);
+	hyp_fixmap_unmap();
+}
+
+int kvm_guest_prepare_stage2(struct kvm_shadow_vm *vm, void *pgd)
+{
+	struct kvm_s2_mmu *mmu = &vm->arch.mmu;
+	unsigned long nr_pages;
+	int ret;
+
+	nr_pages = kvm_pgtable_stage2_pgd_size(vm->arch.vtcr) >> PAGE_SHIFT;
+
+	ret = hyp_pool_init(&vm->pool, hyp_virt_to_pfn(pgd), nr_pages, 0);
+	if (ret)
+		return ret;
+
+	hyp_spin_lock_init(&vm->lock);
+	vm->mm_ops = (struct kvm_pgtable_mm_ops) {
+		.zalloc_pages_exact	= guest_s2_zalloc_pages_exact,
+		.free_pages_exact	= guest_s2_free_pages_exact,
+		.zalloc_page		= guest_s2_zalloc_page,
+		.phys_to_virt		= hyp_phys_to_virt,
+		.virt_to_phys		= hyp_virt_to_phys,
+		.page_count		= hyp_page_count,
+		.get_page		= guest_s2_get_page,
+		.put_page		= guest_s2_put_page,
+		.dcache_clean_inval_poc	= clean_dcache_guest_page,
+		.icache_inval_pou	= invalidate_icache_guest_page,
+	};
+
+	__guest_lock(vm);
+	ret = __kvm_pgtable_stage2_init(mmu->pgt, mmu, &vm->mm_ops, 0,
+					guest_stage2_force_pte_cb);
+	__guest_unlock(vm);
+	if (ret)
+		return ret;
+
+	vm->arch.mmu.pgd_phys = __hyp_pa(vm->pgt.pgd);
+
+	return 0;
+}
+
+static int reclaim_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
+		enum kvm_pgtable_walk_flags flag,
+		void * const arg)
+{
+	kvm_pte_t pte = *ptep;
+	struct hyp_page *page;
+
+	if (!kvm_pte_valid(pte))
+		return 0;
+
+	page = hyp_phys_to_page(kvm_pte_to_phys(pte));
+	switch (pkvm_getstate(kvm_pgtable_stage2_pte_prot(pte))) {
+	case PKVM_PAGE_OWNED:
+		page->flags |= HOST_PAGE_NEED_POISONING;
+		fallthrough;
+	case PKVM_PAGE_SHARED_BORROWED:
+	case PKVM_PAGE_SHARED_OWNED:
+		page->flags |= HOST_PAGE_PENDING_RECLAIM;
+		break;
+	default:
+		return -EPERM;
+	}
+
+	return 0;
+}
+
+void reclaim_guest_pages(struct kvm_shadow_vm *vm, struct kvm_hyp_memcache *mc)
+{
+	struct kvm_pgtable_walker walker = {
+		.cb     = reclaim_walker,
+		.flags  = KVM_PGTABLE_WALK_LEAF
+	};
+	void *addr;
+
+	host_lock_component();
+	__guest_lock(vm);
+
+	/* Reclaim all guest pages, and dump all pgtable pages in the hyp_pool */
+	BUG_ON(kvm_pgtable_walk(&vm->pgt, 0, BIT(vm->pgt.ia_bits), &walker));
+	kvm_pgtable_stage2_destroy(&vm->pgt);
+	vm->arch.mmu.pgd_phys = 0ULL;
+
+	__guest_unlock(vm);
+	host_unlock_component();
+
+	/* Drain the hyp_pool into the memcache */
+	addr = hyp_alloc_pages(&vm->pool, 0);
+	while (addr) {
+		memset(hyp_virt_to_page(addr), 0, sizeof(struct hyp_page));
+		push_hyp_memcache(mc, addr, hyp_virt_to_phys);
+		WARN_ON(__pkvm_hyp_donate_host(hyp_virt_to_pfn(addr), 1));
+		addr = hyp_alloc_pages(&vm->pool, 0);
+	}
+}
+
+int __pkvm_prot_finalize(void)
+{
+	struct kvm_s2_mmu *mmu = &host_kvm.arch.mmu;
+	struct kvm_nvhe_init_params *params = this_cpu_ptr(&kvm_init_params);
+
+	if (params->hcr_el2 & HCR_VM)
+		return -EPERM;
+
+	params->vttbr = kvm_get_vttbr(mmu);
+	params->vtcr = host_kvm.arch.vtcr;
+	params->hcr_el2 |= HCR_VM;
+	kvm_flush_dcache_to_poc(params, sizeof(*params));
+
+	write_sysreg(params->hcr_el2, hcr_el2);
+	__load_stage2(&host_kvm.arch.mmu, &host_kvm.arch);
+
+	/*
+	 * Make sure to have an ISB before the TLB maintenance below but only
+	 * when __load_stage2() doesn't include one already.
+	 */
+	asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT));
+
+	/* Invalidate stale HCR bits that may be cached in TLBs */
+	__tlbi(vmalls12e1);
+	dsb(nsh);
+	isb();
+
+	return 0;
+}
+
+int host_stage2_unmap_dev_locked(phys_addr_t start, u64 size)
+{
+	int ret;
+
+	hyp_assert_lock_held(&host_kvm.lock);
+
+	ret = kvm_pgtable_stage2_unmap(&host_kvm.pgt, start, size);
+	if (ret)
+		return ret;
+
+	pkvm_iommu_host_stage2_idmap(start, start + size, 0);
+	return 0;
+}
+
+static int host_stage2_unmap_dev_all(void)
+{
+	struct kvm_pgtable *pgt = &host_kvm.pgt;
+	struct memblock_region *reg;
+	u64 addr = 0;
+	int i, ret;
+
+	/* Unmap all non-memory regions to recycle the pages */
+	for (i = 0; i < hyp_memblock_nr; i++, addr = reg->base + reg->size) {
+		reg = &hyp_memory[i];
+		ret = host_stage2_unmap_dev_locked(addr, reg->base - addr);
+		if (ret)
+			return ret;
+	}
+	return host_stage2_unmap_dev_locked(addr, BIT(pgt->ia_bits) - addr);
+}
+
+struct kvm_mem_range {
+	u64 start;
+	u64 end;
+};
+
+static struct memblock_region *find_mem_range(phys_addr_t addr, struct kvm_mem_range *range)
+{
+	int cur, left = 0, right = hyp_memblock_nr;
+	struct memblock_region *reg;
+	phys_addr_t end;
+
+	range->start = 0;
+	range->end = ULONG_MAX;
+
+	/* The list of memblock regions is sorted, binary search it */
+	while (left < right) {
+		cur = (left + right) >> 1;
+		reg = &hyp_memory[cur];
+		end = reg->base + reg->size;
+		if (addr < reg->base) {
+			right = cur;
+			range->end = reg->base;
+		} else if (addr >= end) {
+			left = cur + 1;
+			range->start = end;
+		} else {
+			range->start = reg->base;
+			range->end = end;
+			return reg;
+		}
+	}
+
+	return NULL;
+}
+
+bool addr_is_memory(phys_addr_t phys)
+{
+	struct kvm_mem_range range;
+
+	return !!find_mem_range(phys, &range);
+}
+
+static bool addr_is_allowed_memory(phys_addr_t phys)
+{
+	struct memblock_region *reg;
+	struct kvm_mem_range range;
+
+	reg = find_mem_range(phys, &range);
+
+	return reg && !(reg->flags & MEMBLOCK_NOMAP);
+}
+
+static bool is_in_mem_range(u64 addr, struct kvm_mem_range *range)
+{
+	return range->start <= addr && addr < range->end;
+}
+
+static bool range_is_memory(u64 start, u64 end)
+{
+	struct kvm_mem_range r;
+
+	if (!find_mem_range(start, &r))
+		return false;
+
+	return is_in_mem_range(end - 1, &r);
+}
+
+static inline int __host_stage2_idmap(u64 start, u64 end,
+				      enum kvm_pgtable_prot prot,
+				      bool update_iommu)
+{
+	int ret;
+
+	ret = kvm_pgtable_stage2_map(&host_kvm.pgt, start, end - start, start,
+				     prot, &host_s2_pool);
+	if (ret)
+		return ret;
+
+	if (update_iommu)
+		pkvm_iommu_host_stage2_idmap(start, end, prot);
+	return 0;
+}
+
+/*
+ * The pool has been provided with enough pages to cover all of memory with
+ * page granularity, but it is difficult to know how much of the MMIO range
+ * we will need to cover upfront, so we may need to 'recycle' the pages if we
+ * run out.
+ */
+#define host_stage2_try(fn, ...)					\
+	({								\
+		int __ret;						\
+		hyp_assert_lock_held(&host_kvm.lock);			\
+		__ret = fn(__VA_ARGS__);				\
+		if (__ret == -ENOMEM) {					\
+			__ret = host_stage2_unmap_dev_all();		\
+			if (!__ret)					\
+				__ret = fn(__VA_ARGS__);		\
+		}							\
+		__ret;							\
+	 })
+
+static inline bool range_included(struct kvm_mem_range *child,
+				  struct kvm_mem_range *parent)
+{
+	return parent->start <= child->start && child->end <= parent->end;
+}
+
+static int host_stage2_adjust_range(u64 addr, struct kvm_mem_range *range)
+{
+	struct kvm_mem_range cur;
+	kvm_pte_t pte;
+	u32 level;
+	int ret;
+
+	hyp_assert_lock_held(&host_kvm.lock);
+	ret = kvm_pgtable_get_leaf(&host_kvm.pgt, addr, &pte, &level);
+	if (ret)
+		return ret;
+
+	if (kvm_pte_valid(pte))
+		return -EAGAIN;
+
+	if (pte)
+		return -EPERM;
+
+	do {
+		u64 granule = kvm_granule_size(level);
+		cur.start = ALIGN_DOWN(addr, granule);
+		cur.end = cur.start + granule;
+		level++;
+	} while ((level < KVM_PGTABLE_MAX_LEVELS) &&
+			!(kvm_level_supports_block_mapping(level) &&
+			  range_included(&cur, range)));
+
+	*range = cur;
+
+	return 0;
+}
+
+int host_stage2_idmap_locked(phys_addr_t addr, u64 size,
+			     enum kvm_pgtable_prot prot, bool update_iommu)
+{
+	return host_stage2_try(__host_stage2_idmap, addr, addr + size, prot, update_iommu);
+}
+
+#define KVM_INVALID_PTE_OWNER_MASK	GENMASK(32, 1)
+static kvm_pte_t kvm_init_invalid_leaf_owner(pkvm_id owner_id)
+{
+	return FIELD_PREP(KVM_INVALID_PTE_OWNER_MASK, owner_id);
+}
+
+int host_stage2_set_owner_locked(phys_addr_t addr, u64 size,
+				 pkvm_id owner_id)
+{
+	kvm_pte_t annotation = kvm_init_invalid_leaf_owner(owner_id);
+	enum kvm_pgtable_prot prot;
+	int ret;
+
+	ret = host_stage2_try(kvm_pgtable_stage2_annotate, &host_kvm.pgt,
+			      addr, size, &host_s2_pool, annotation);
+	if (ret)
+		return ret;
+
+	prot = owner_id == pkvm_host_id ? PKVM_HOST_MEM_PROT : 0;
+	pkvm_iommu_host_stage2_idmap(addr, addr + size, prot);
+	return 0;
+}
+
+static bool host_stage2_force_pte_cb(u64 addr, u64 end, enum kvm_pgtable_prot prot)
+{
+	/*
+	 * Block mappings must be used with care in the host stage-2 as a
+	 * kvm_pgtable_stage2_map() operation targeting a page in the range of
+	 * an existing block will delete the block under the assumption that
+	 * mappings in the rest of the block range can always be rebuilt lazily.
+	 * That assumption is correct for the host stage-2 with RWX mappings
+	 * targeting memory or RW mappings targeting MMIO ranges (see
+	 * host_stage2_idmap() below which implements some of the host memory
+	 * abort logic). However, this is not safe for any other mappings where
+	 * the host stage-2 page-table is in fact the only place where this
+	 * state is stored. In all those cases, it is safer to use page-level
+	 * mappings, hence avoiding to lose the state because of side-effects in
+	 * kvm_pgtable_stage2_map().
+	 */
+	if (range_is_memory(addr, end))
+		return prot != PKVM_HOST_MEM_PROT;
+	else
+		return prot != PKVM_HOST_MMIO_PROT;
+}
+
+static int host_stage2_idmap(u64 addr)
+{
+	struct kvm_mem_range range;
+	bool is_memory = !!find_mem_range(addr, &range);
+	enum kvm_pgtable_prot prot;
+	int ret;
+
+	hyp_assert_lock_held(&host_kvm.lock);
+
+	prot = is_memory ? PKVM_HOST_MEM_PROT : PKVM_HOST_MMIO_PROT;
+
+	/*
+	 * Adjust against IOMMU devices first. host_stage2_adjust_range() should
+	 * be called last for proper alignment.
+	 */
+	if (!is_memory) {
+		ret = pkvm_iommu_host_stage2_adjust_range(addr, &range.start,
+							  &range.end);
+		if (ret)
+			return ret;
+	}
+
+	ret = host_stage2_adjust_range(addr, &range);
+	if (ret)
+		return ret;
+
+	return host_stage2_idmap_locked(range.start, range.end - range.start, prot, false);
+}
+
+static bool is_dabt(u64 esr)
+{
+	return ESR_ELx_EC(esr) == ESR_ELx_EC_DABT_LOW;
+}
+
+static void host_inject_abort(struct kvm_cpu_context *host_ctxt)
+{
+	u64 spsr = read_sysreg_el2(SYS_SPSR);
+	u64 esr = read_sysreg_el2(SYS_ESR);
+	u64 ventry, ec;
+
+	/* Repaint the ESR to report a same-level fault if taken from EL1 */
+	if ((spsr & PSR_MODE_MASK) != PSR_MODE_EL0t) {
+		ec = ESR_ELx_EC(esr);
+		if (ec == ESR_ELx_EC_DABT_LOW)
+			ec = ESR_ELx_EC_DABT_CUR;
+		else if (ec == ESR_ELx_EC_IABT_LOW)
+			ec = ESR_ELx_EC_IABT_CUR;
+		else
+			WARN_ON(1);
+		esr &= ~ESR_ELx_EC_MASK;
+		esr |= ec << ESR_ELx_EC_SHIFT;
+	}
+
+	/*
+	 * Since S1PTW should only ever be set for stage-2 faults, we're pretty
+	 * much guaranteed that it won't be set in ESR_EL1 by the hardware. So,
+	 * let's use that bit to allow the host abort handler to differentiate
+	 * this abort from normal userspace faults.
+	 *
+	 * Note: although S1PTW is RES0 at EL1, it is guaranteed by the
+	 * architecture to be backed by flops, so it should be safe to use.
+	 */
+	esr |= ESR_ELx_S1PTW;
+
+	write_sysreg_el1(esr, SYS_ESR);
+	write_sysreg_el1(spsr, SYS_SPSR);
+	write_sysreg_el1(read_sysreg_el2(SYS_ELR), SYS_ELR);
+	write_sysreg_el1(read_sysreg_el2(SYS_FAR), SYS_FAR);
+
+	ventry = read_sysreg_el1(SYS_VBAR);
+	ventry += get_except64_offset(spsr, PSR_MODE_EL1h, except_type_sync);
+	write_sysreg_el2(ventry, SYS_ELR);
+
+	spsr = get_except64_cpsr(spsr, system_supports_mte(),
+				 read_sysreg_el1(SYS_SCTLR), PSR_MODE_EL1h);
+	write_sysreg_el2(spsr, SYS_SPSR);
+}
+
+void handle_host_mem_abort(struct kvm_cpu_context *host_ctxt)
+{
+	struct kvm_vcpu_fault_info fault;
+	u64 esr, addr;
+	int ret = -EPERM;
+
+	esr = read_sysreg_el2(SYS_ESR);
+	BUG_ON(!__get_fault_info(esr, &fault));
+
+	addr = (fault.hpfar_el2 & HPFAR_MASK) << 8;
+	addr |= fault.far_el2 & FAR_MASK;
+
+	host_lock_component();
+
+	/* Check if an IOMMU device can handle the DABT. */
+	if (is_dabt(esr) && !addr_is_memory(addr) &&
+	    pkvm_iommu_host_dabt_handler(host_ctxt, esr, addr))
+		ret = 0;
+
+	/* If not handled, attempt to map the page. */
+	if (ret == -EPERM)
+		ret = host_stage2_idmap(addr);
+
+	host_unlock_component();
+
+	if (ret == -EPERM)
+		host_inject_abort(host_ctxt);
+	else
+		BUG_ON(ret && ret != -EAGAIN);
+}
+
+/* This corresponds to locking order */
+enum pkvm_component_id {
+	PKVM_ID_HOST,
+	PKVM_ID_HYP,
+	PKVM_ID_GUEST,
+	PKVM_ID_FFA,
+};
+
+struct pkvm_mem_transition {
+	u64				nr_pages;
+
+	struct {
+		enum pkvm_component_id	id;
+		/* Address in the initiator's address space */
+		u64			addr;
+
+		union {
+			struct {
+				/* Address in the completer's address space */
+				u64	completer_addr;
+			} host;
+			struct {
+				u64	completer_addr;
+			} hyp;
+
+			struct {
+				struct kvm_vcpu *vcpu;
+			} guest;
+		};
+	} initiator;
+
+	struct {
+		enum pkvm_component_id	id;
+
+		union {
+			struct {
+				struct kvm_vcpu *vcpu;
+				phys_addr_t phys;
+			} guest;
+		};
+	} completer;
+};
+
+struct pkvm_mem_share {
+	const struct pkvm_mem_transition	tx;
+	const enum kvm_pgtable_prot		completer_prot;
+};
+
+struct pkvm_mem_donation {
+	const struct pkvm_mem_transition	tx;
+};
+
+static pkvm_id initiator_owner_id(const struct pkvm_mem_transition *tx)
+{
+	switch (tx->initiator.id) {
+	case PKVM_ID_HOST:
+		return pkvm_host_id;
+	case PKVM_ID_HYP:
+		return pkvm_hyp_id;
+	case PKVM_ID_GUEST:
+		return pkvm_guest_id(tx->initiator.guest.vcpu);
+	default:
+		WARN_ON(1);
+		return -1;
+	}
+}
+
+static pkvm_id completer_owner_id(const struct pkvm_mem_transition *tx)
+{
+	switch (tx->completer.id) {
+	case PKVM_ID_HOST:
+		return pkvm_host_id;
+	case PKVM_ID_HYP:
+		return pkvm_hyp_id;
+	case PKVM_ID_GUEST:
+		return pkvm_guest_id(tx->completer.guest.vcpu);
+	default:
+		WARN_ON(1);
+		return -1;
+	}
+}
+
+struct check_walk_data {
+	enum pkvm_page_state	desired;
+	enum pkvm_page_state	(*get_page_state)(kvm_pte_t pte, u64 addr);
+};
+
+static int __check_page_state_visitor(u64 addr, u64 end, u32 level,
+				      kvm_pte_t *ptep,
+				      enum kvm_pgtable_walk_flags flag,
+				      void * const arg)
+{
+	struct check_walk_data *d = arg;
+	kvm_pte_t pte = *ptep;
+
+	return d->get_page_state(pte, addr) == d->desired ? 0 : -EPERM;
+}
+
+static int check_page_state_range(struct kvm_pgtable *pgt, u64 addr, u64 size,
+				  struct check_walk_data *data)
+{
+	struct kvm_pgtable_walker walker = {
+		.cb	= __check_page_state_visitor,
+		.arg	= data,
+		.flags	= KVM_PGTABLE_WALK_LEAF,
+	};
+
+	return kvm_pgtable_walk(pgt, addr, size, &walker);
+}
+
+static enum pkvm_page_state host_get_page_state(kvm_pte_t pte, u64 addr)
+{
+	if (!addr_is_allowed_memory(addr))
+		return PKVM_NOPAGE;
+
+	if (!kvm_pte_valid(pte) && pte)
+		return PKVM_NOPAGE;
+
+	return pkvm_getstate(kvm_pgtable_stage2_pte_prot(pte));
+}
+
+static int __host_check_page_state_range(u64 addr, u64 size,
+					 enum pkvm_page_state state)
+{
+	struct check_walk_data d = {
+		.desired	= state,
+		.get_page_state	= host_get_page_state,
+	};
+
+	hyp_assert_lock_held(&host_kvm.lock);
+	return check_page_state_range(&host_kvm.pgt, addr, size, &d);
+}
+
+static int __host_set_page_state_range(u64 addr, u64 size,
+				       enum pkvm_page_state state)
+{
+	bool update_iommu = true;
+	enum kvm_pgtable_prot prot = pkvm_mkstate(PKVM_HOST_MEM_PROT, state);
+
+	/*
+	 * Sharing and unsharing host pages shouldn't change the IOMMU page tables,
+	 * so avoid extra page tables walks for the IOMMU.
+	 * HOWEVER THIS WILL NOT WORK WHEN DEVICE ASSIGNMENT IS SUPPORTED AS THE GUEST
+	 * MIGHT HAVE ACCESS TO DMA.
+	 * but as Android-14 doesn't support device assignment this should be fine.
+	 */
+	if ((state == PKVM_PAGE_OWNED) || (state == PKVM_PAGE_SHARED_OWNED))
+		update_iommu = false;
+
+	return host_stage2_idmap_locked(addr, size, prot, update_iommu);
+}
+
+static int host_request_owned_transition(u64 *completer_addr,
+					 const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	u64 addr = tx->initiator.addr;
+
+	*completer_addr = tx->initiator.host.completer_addr;
+	return __host_check_page_state_range(addr, size, PKVM_PAGE_OWNED);
+}
+
+static int host_request_unshare(u64 *completer_addr,
+				const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	u64 addr = tx->initiator.addr;
+
+	*completer_addr = tx->initiator.host.completer_addr;
+	return __host_check_page_state_range(addr, size, PKVM_PAGE_SHARED_OWNED);
+}
+
+static int host_initiate_share(u64 *completer_addr,
+			       const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	u64 addr = tx->initiator.addr;
+
+	*completer_addr = tx->initiator.host.completer_addr;
+	return __host_set_page_state_range(addr, size, PKVM_PAGE_SHARED_OWNED);
+}
+
+static int host_initiate_unshare(u64 *completer_addr,
+				 const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	u64 addr = tx->initiator.addr;
+
+	*completer_addr = tx->initiator.host.completer_addr;
+	return __host_set_page_state_range(addr, size, PKVM_PAGE_OWNED);
+}
+
+static int host_initiate_donation(u64 *completer_addr,
+				  const struct pkvm_mem_transition *tx)
+{
+	pkvm_id owner_id = completer_owner_id(tx);
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	*completer_addr = tx->initiator.host.completer_addr;
+	return host_stage2_set_owner_locked(tx->initiator.addr, size, owner_id);
+}
+
+static bool __host_ack_skip_pgtable_check(const struct pkvm_mem_transition *tx)
+{
+	return !(IS_ENABLED(CONFIG_NVHE_EL2_DEBUG) ||
+		 tx->initiator.id != PKVM_ID_HYP);
+}
+
+static int __host_ack_transition(u64 addr, const struct pkvm_mem_transition *tx,
+				 enum pkvm_page_state state)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	if (__host_ack_skip_pgtable_check(tx))
+		return 0;
+
+	return __host_check_page_state_range(addr, size, state);
+}
+
+static int host_ack_share(u64 addr, const struct pkvm_mem_transition *tx,
+			  enum kvm_pgtable_prot perms)
+{
+	if (perms != PKVM_HOST_MEM_PROT)
+		return -EPERM;
+
+	return __host_ack_transition(addr, tx, PKVM_NOPAGE);
+}
+
+static int host_ack_donation(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	return __host_ack_transition(addr, tx, PKVM_NOPAGE);
+}
+
+static int host_ack_unshare(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	return __host_ack_transition(addr, tx, PKVM_PAGE_SHARED_BORROWED);
+}
+
+static int host_complete_share(u64 addr, const struct pkvm_mem_transition *tx,
+			       enum kvm_pgtable_prot perms)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	if (tx->initiator.id == PKVM_ID_GUEST)
+		psci_mem_protect_dec();
+
+	return __host_set_page_state_range(addr, size, PKVM_PAGE_SHARED_BORROWED);
+}
+
+static int host_complete_unshare(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	pkvm_id owner_id = initiator_owner_id(tx);
+
+	if (tx->initiator.id == PKVM_ID_GUEST)
+		psci_mem_protect_inc();
+
+	return host_stage2_set_owner_locked(addr, size, owner_id);
+}
+
+static int host_complete_donation(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	pkvm_id host_id = completer_owner_id(tx);
+
+	return host_stage2_set_owner_locked(addr, size, host_id);
+}
+
+static enum pkvm_page_state hyp_get_page_state(kvm_pte_t pte, u64 addr)
+{
+	if (!kvm_pte_valid(pte))
+		return PKVM_NOPAGE;
+
+	return pkvm_getstate(kvm_pgtable_hyp_pte_prot(pte));
+}
+
+static int __hyp_check_page_state_range(u64 addr, u64 size,
+					enum pkvm_page_state state)
+{
+	struct check_walk_data d = {
+		.desired	= state,
+		.get_page_state	= hyp_get_page_state,
+	};
+
+	hyp_assert_lock_held(&pkvm_pgd_lock);
+	return check_page_state_range(&pkvm_pgtable, addr, size, &d);
+}
+
+static int hyp_request_donation(u64 *completer_addr,
+				const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	u64 addr = tx->initiator.addr;
+
+	*completer_addr = tx->initiator.hyp.completer_addr;
+	return __hyp_check_page_state_range(addr, size, PKVM_PAGE_OWNED);
+}
+
+static int hyp_initiate_donation(u64 *completer_addr,
+				 const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	int ret;
+
+	*completer_addr = tx->initiator.hyp.completer_addr;
+	ret = kvm_pgtable_hyp_unmap(&pkvm_pgtable, tx->initiator.addr, size);
+	return (ret != size) ? -EFAULT : 0;
+}
+
+static bool __hyp_ack_skip_pgtable_check(const struct pkvm_mem_transition *tx)
+{
+	return !(IS_ENABLED(CONFIG_NVHE_EL2_DEBUG) ||
+		 tx->initiator.id != PKVM_ID_HOST);
+}
+
+static int hyp_ack_share(u64 addr, const struct pkvm_mem_transition *tx,
+			 enum kvm_pgtable_prot perms)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	if (perms != PAGE_HYP)
+		return -EPERM;
+
+	if (__hyp_ack_skip_pgtable_check(tx))
+		return 0;
+
+	return __hyp_check_page_state_range(addr, size, PKVM_NOPAGE);
+}
+
+static int hyp_ack_unshare(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	if (tx->initiator.id == PKVM_ID_HOST && hyp_page_count((void *)addr))
+		return -EBUSY;
+
+	if (__hyp_ack_skip_pgtable_check(tx))
+		return 0;
+
+	return __hyp_check_page_state_range(addr, size,
+					    PKVM_PAGE_SHARED_BORROWED);
+}
+
+static int hyp_ack_donation(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	if (__hyp_ack_skip_pgtable_check(tx))
+		return 0;
+
+	return __hyp_check_page_state_range(addr, size, PKVM_NOPAGE);
+}
+
+static int hyp_complete_share(u64 addr, const struct pkvm_mem_transition *tx,
+			      enum kvm_pgtable_prot perms)
+{
+	void *start = (void *)addr, *end = start + (tx->nr_pages * PAGE_SIZE);
+	enum kvm_pgtable_prot prot;
+
+	prot = pkvm_mkstate(perms, PKVM_PAGE_SHARED_BORROWED);
+	return pkvm_create_mappings_locked(start, end, prot);
+}
+
+static int hyp_complete_unshare(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	int ret = kvm_pgtable_hyp_unmap(&pkvm_pgtable, addr, size);
+
+	return (ret != size) ? -EFAULT : 0;
+}
+
+static int hyp_complete_donation(u64 addr,
+				 const struct pkvm_mem_transition *tx)
+{
+	void *start = (void *)addr, *end = start + (tx->nr_pages * PAGE_SIZE);
+	enum kvm_pgtable_prot prot = pkvm_mkstate(PAGE_HYP, PKVM_PAGE_OWNED);
+
+	return pkvm_create_mappings_locked(start, end, prot);
+}
+
+static enum pkvm_page_state guest_get_page_state(kvm_pte_t pte, u64 addr)
+{
+	if (!kvm_pte_valid(pte))
+		return PKVM_NOPAGE;
+
+	return pkvm_getstate(kvm_pgtable_stage2_pte_prot(pte));
+}
+
+static int __guest_check_page_state_range(struct kvm_vcpu *vcpu, u64 addr,
+					  u64 size, enum pkvm_page_state state)
+{
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+	struct check_walk_data d = {
+		.desired	= state,
+		.get_page_state	= guest_get_page_state,
+	};
+
+	hyp_assert_lock_held(&vm->lock);
+	return check_page_state_range(&vm->pgt, addr, size, &d);
+}
+
+static int guest_ack_share(u64 addr, const struct pkvm_mem_transition *tx,
+			   enum kvm_pgtable_prot perms)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	if (perms != KVM_PGTABLE_PROT_RWX)
+		return -EPERM;
+
+	return __guest_check_page_state_range(tx->completer.guest.vcpu, addr,
+					      size, PKVM_NOPAGE);
+}
+
+static int guest_ack_donation(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	u64 size = tx->nr_pages * PAGE_SIZE;
+
+	return __guest_check_page_state_range(tx->completer.guest.vcpu, addr,
+					      size, PKVM_NOPAGE);
+}
+
+static int guest_complete_share(u64 addr, const struct pkvm_mem_transition *tx,
+				enum kvm_pgtable_prot perms)
+{
+	struct kvm_vcpu *vcpu = tx->completer.guest.vcpu;
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	enum kvm_pgtable_prot prot;
+
+	prot = pkvm_mkstate(perms, PKVM_PAGE_SHARED_BORROWED);
+	return kvm_pgtable_stage2_map(&vm->pgt, addr, size, tx->completer.guest.phys,
+				      prot, &vcpu->arch.pkvm_memcache);
+}
+
+static int guest_complete_donation(u64 addr, const struct pkvm_mem_transition *tx)
+{
+	enum kvm_pgtable_prot prot = pkvm_mkstate(KVM_PGTABLE_PROT_RWX, PKVM_PAGE_OWNED);
+	struct kvm_vcpu *vcpu = tx->completer.guest.vcpu;
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+	phys_addr_t phys = tx->completer.guest.phys;
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	int err;
+
+	if (tx->initiator.id == PKVM_ID_HOST) {
+		psci_mem_protect_inc();
+
+		if (ipa_in_pvmfw_region(vm, addr)) {
+			err = pkvm_load_pvmfw_pages(vm, addr, phys, size);
+			if (err)
+				return err;
+		}
+	}
+
+	return kvm_pgtable_stage2_map(&vm->pgt, addr, size, phys, prot,
+				      &vcpu->arch.pkvm_memcache);
+}
+
+static int __guest_get_completer_addr(u64 *completer_addr, phys_addr_t phys,
+				      const struct pkvm_mem_transition *tx)
+{
+	switch (tx->completer.id) {
+	case PKVM_ID_HOST:
+		*completer_addr = phys;
+		break;
+	case PKVM_ID_HYP:
+		*completer_addr = (u64)__hyp_va(phys);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int __guest_request_page_transition(u64 *completer_addr,
+					   const struct pkvm_mem_transition *tx,
+					   enum pkvm_page_state desired)
+{
+	struct kvm_vcpu *vcpu = tx->initiator.guest.vcpu;
+	struct kvm_protected_vcpu *pkvm = &vcpu->arch.pkvm;
+	struct kvm_shadow_vm *vm = pkvm->shadow_vm;
+	enum pkvm_page_state state;
+	phys_addr_t phys;
+	kvm_pte_t pte;
+	u32 level;
+	int ret;
+
+	if (tx->nr_pages != 1)
+		return -E2BIG;
+
+	ret = kvm_pgtable_get_leaf(&vm->pgt, tx->initiator.addr, &pte, &level);
+	if (ret)
+		return ret;
+
+	state = guest_get_page_state(pte, tx->initiator.addr);
+	if (state == PKVM_NOPAGE)
+		return -EFAULT;
+
+	if (state != desired)
+		return -EPERM;
+
+	/*
+	 * We only deal with page granular mappings in the guest for now as
+	 * the pgtable code relies on being able to recreate page mappings
+	 * lazily after zapping a block mapping, which doesn't work once the
+	 * pages have been donated.
+	 */
+	if (level != KVM_PGTABLE_MAX_LEVELS - 1)
+		return -EINVAL;
+
+	phys = kvm_pte_to_phys(pte);
+	if (!addr_is_allowed_memory(phys))
+		return -EINVAL;
+
+	return __guest_get_completer_addr(completer_addr, phys, tx);
+}
+
+static int guest_request_share(u64 *completer_addr,
+			       const struct pkvm_mem_transition *tx)
+{
+	return __guest_request_page_transition(completer_addr, tx,
+					       PKVM_PAGE_OWNED);
+}
+
+static int guest_request_unshare(u64 *completer_addr,
+				 const struct pkvm_mem_transition *tx)
+{
+	return __guest_request_page_transition(completer_addr, tx,
+					       PKVM_PAGE_SHARED_OWNED);
+}
+
+static int __guest_initiate_page_transition(u64 *completer_addr,
+					    const struct pkvm_mem_transition *tx,
+					    enum pkvm_page_state state)
+{
+	struct kvm_vcpu *vcpu = tx->initiator.guest.vcpu;
+	struct kvm_protected_vcpu *pkvm = &vcpu->arch.pkvm;
+	struct kvm_shadow_vm *vm = pkvm->shadow_vm;
+	struct kvm_hyp_memcache *mc = &vcpu->arch.pkvm_memcache;
+	u64 size = tx->nr_pages * PAGE_SIZE;
+	u64 addr = tx->initiator.addr;
+	enum kvm_pgtable_prot prot;
+	phys_addr_t phys;
+	kvm_pte_t pte;
+	int ret;
+
+	ret = kvm_pgtable_get_leaf(&vm->pgt, addr, &pte, NULL);
+	if (ret)
+		return ret;
+
+	phys = kvm_pte_to_phys(pte);
+	prot = pkvm_mkstate(kvm_pgtable_stage2_pte_prot(pte), state);
+	ret = kvm_pgtable_stage2_map(&vm->pgt, addr, size, phys, prot, mc);
+	if (ret)
+		return ret;
+
+	return __guest_get_completer_addr(completer_addr, phys, tx);
+}
+
+static int guest_initiate_share(u64 *completer_addr,
+				const struct pkvm_mem_transition *tx)
+{
+	return __guest_initiate_page_transition(completer_addr, tx,
+						PKVM_PAGE_SHARED_OWNED);
+}
+
+static int guest_initiate_unshare(u64 *completer_addr,
+				  const struct pkvm_mem_transition *tx)
+{
+	return __guest_initiate_page_transition(completer_addr, tx,
+						PKVM_PAGE_OWNED);
+}
+
+static int check_share(struct pkvm_mem_share *share)
+{
+	const struct pkvm_mem_transition *tx = &share->tx;
+	u64 completer_addr;
+	int ret;
+
+	switch (tx->initiator.id) {
+	case PKVM_ID_HOST:
+		ret = host_request_owned_transition(&completer_addr, tx);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_request_share(&completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	if (ret)
+		return ret;
+
+	switch (tx->completer.id) {
+	case PKVM_ID_HOST:
+		ret = host_ack_share(completer_addr, tx, share->completer_prot);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_ack_share(completer_addr, tx, share->completer_prot);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_ack_share(completer_addr, tx, share->completer_prot);
+		break;
+	case PKVM_ID_FFA:
+		/*
+		 * We only check the host; the secure side will check the other
+		 * end when we forward the FFA call.
+		 */
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static int __do_share(struct pkvm_mem_share *share)
+{
+	const struct pkvm_mem_transition *tx = &share->tx;
+	u64 completer_addr;
+	int ret;
+
+	switch (tx->initiator.id) {
+	case PKVM_ID_HOST:
+		ret = host_initiate_share(&completer_addr, tx);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_initiate_share(&completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	if (ret)
+		return ret;
+
+	switch (tx->completer.id) {
+	case PKVM_ID_HOST:
+		ret = host_complete_share(completer_addr, tx, share->completer_prot);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_complete_share(completer_addr, tx, share->completer_prot);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_complete_share(completer_addr, tx, share->completer_prot);
+		break;
+	case PKVM_ID_FFA:
+		/*
+		 * We're not responsible for any secure page-tables, so there's
+		 * nothing to do here.
+		 */
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+/*
+ * do_share():
+ *
+ * The page owner grants access to another component with a given set
+ * of permissions.
+ *
+ * Initiator: OWNED	=> SHARED_OWNED
+ * Completer: NOPAGE	=> SHARED_BORROWED
+ */
+static int do_share(struct pkvm_mem_share *share)
+{
+	int ret;
+
+	ret = check_share(share);
+	if (ret)
+		return ret;
+
+	return WARN_ON(__do_share(share));
+}
+
+static int check_unshare(struct pkvm_mem_share *share)
+{
+	const struct pkvm_mem_transition *tx = &share->tx;
+	u64 completer_addr;
+	int ret;
+
+	switch (tx->initiator.id) {
+	case PKVM_ID_HOST:
+		ret = host_request_unshare(&completer_addr, tx);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_request_unshare(&completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	if (ret)
+		return ret;
+
+	switch (tx->completer.id) {
+	case PKVM_ID_HOST:
+		ret = host_ack_unshare(completer_addr, tx);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_ack_unshare(completer_addr, tx);
+		break;
+	case PKVM_ID_FFA:
+		/* See check_share() */
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static int __do_unshare(struct pkvm_mem_share *share)
+{
+	const struct pkvm_mem_transition *tx = &share->tx;
+	u64 completer_addr;
+	int ret;
+
+	switch (tx->initiator.id) {
+	case PKVM_ID_HOST:
+		ret = host_initiate_unshare(&completer_addr, tx);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_initiate_unshare(&completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	if (ret)
+		return ret;
+
+	switch (tx->completer.id) {
+	case PKVM_ID_HOST:
+		ret = host_complete_unshare(completer_addr, tx);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_complete_unshare(completer_addr, tx);
+		break;
+	case PKVM_ID_FFA:
+		/* See __do_share() */
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+/*
+ * do_unshare():
+ *
+ * The page owner revokes access from another component for a range of
+ * pages which were previously shared using do_share().
+ *
+ * Initiator: SHARED_OWNED	=> OWNED
+ * Completer: SHARED_BORROWED	=> NOPAGE
+ */
+static int do_unshare(struct pkvm_mem_share *share)
+{
+	int ret;
+
+	ret = check_unshare(share);
+	if (ret)
+		return ret;
+
+	return WARN_ON(__do_unshare(share));
+}
+
+static int check_donation(struct pkvm_mem_donation *donation)
+{
+	const struct pkvm_mem_transition *tx = &donation->tx;
+	u64 completer_addr;
+	int ret;
+
+	switch (tx->initiator.id) {
+	case PKVM_ID_HOST:
+		ret = host_request_owned_transition(&completer_addr, tx);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_request_donation(&completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	if (ret)
+		return ret;
+
+	switch (tx->completer.id){
+	case PKVM_ID_HOST:
+		ret = host_ack_donation(completer_addr, tx);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_ack_donation(completer_addr, tx);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_ack_donation(completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static int __do_donate(struct pkvm_mem_donation *donation)
+{
+	const struct pkvm_mem_transition *tx = &donation->tx;
+	u64 completer_addr;
+	int ret;
+
+	switch (tx->initiator.id) {
+	case PKVM_ID_HOST:
+		ret = host_initiate_donation(&completer_addr, tx);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_initiate_donation(&completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	if (ret)
+		return ret;
+
+	switch (tx->completer.id){
+	case PKVM_ID_HOST:
+		ret = host_complete_donation(completer_addr, tx);
+		break;
+	case PKVM_ID_HYP:
+		ret = hyp_complete_donation(completer_addr, tx);
+		break;
+	case PKVM_ID_GUEST:
+		ret = guest_complete_donation(completer_addr, tx);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+/*
+ * do_donate():
+ *
+ * The page owner transfers ownership to another component, losing access
+ * as a consequence.
+ *
+ * Initiator: OWNED	=> NOPAGE
+ * Completer: NOPAGE	=> OWNED
+ */
+static int do_donate(struct pkvm_mem_donation *donation)
+{
+	int ret;
+
+	ret = check_donation(donation);
+	if (ret)
+		return ret;
+
+	return WARN_ON(__do_donate(donation));
+}
+
+int __pkvm_host_share_hyp(u64 pfn)
+{
+	int ret;
+	u64 host_addr = hyp_pfn_to_phys(pfn);
+	u64 hyp_addr = (u64)__hyp_va(host_addr);
+	struct pkvm_mem_share share = {
+		.tx	= {
+			.nr_pages	= 1,
+			.initiator	= {
+				.id	= PKVM_ID_HOST,
+				.addr	= host_addr,
+				.host	= {
+					.completer_addr = hyp_addr,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_HYP,
+			},
+		},
+		.completer_prot	= PAGE_HYP,
+	};
+
+	host_lock_component();
+	hyp_lock_component();
+
+	ret = do_share(&share);
+
+	hyp_unlock_component();
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_guest_share_host(struct kvm_vcpu *vcpu, u64 ipa)
+{
+	int ret;
+	struct pkvm_mem_share share = {
+		.tx	= {
+			.nr_pages	= 1,
+			.initiator	= {
+				.id	= PKVM_ID_GUEST,
+				.addr	= ipa,
+				.guest	= {
+					.vcpu = vcpu,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_HOST,
+			},
+		},
+		.completer_prot	= PKVM_HOST_MEM_PROT,
+	};
+
+	host_lock_component();
+	guest_lock_component(vcpu);
+
+	ret = do_share(&share);
+
+	guest_unlock_component(vcpu);
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_guest_unshare_host(struct kvm_vcpu *vcpu, u64 ipa)
+{
+	int ret;
+	struct pkvm_mem_share share = {
+		.tx	= {
+			.nr_pages	= 1,
+			.initiator	= {
+				.id	= PKVM_ID_GUEST,
+				.addr	= ipa,
+				.guest	= {
+					.vcpu = vcpu,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_HOST,
+			},
+		},
+		.completer_prot	= PKVM_HOST_MEM_PROT,
+	};
+
+	host_lock_component();
+	guest_lock_component(vcpu);
+
+	ret = do_unshare(&share);
+
+	guest_unlock_component(vcpu);
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_host_unshare_hyp(u64 pfn)
+{
+	int ret;
+	u64 host_addr = hyp_pfn_to_phys(pfn);
+	u64 hyp_addr = (u64)__hyp_va(host_addr);
+	struct pkvm_mem_share share = {
+		.tx	= {
+			.nr_pages	= 1,
+			.initiator	= {
+				.id	= PKVM_ID_HOST,
+				.addr	= host_addr,
+				.host	= {
+					.completer_addr = hyp_addr,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_HYP,
+			},
+		},
+		.completer_prot	= PAGE_HYP,
+	};
+
+	host_lock_component();
+	hyp_lock_component();
+
+	ret = do_unshare(&share);
+
+	hyp_unlock_component();
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_host_donate_hyp(u64 pfn, u64 nr_pages)
+{
+	int ret;
+	u64 host_addr = hyp_pfn_to_phys(pfn);
+	u64 hyp_addr = (u64)__hyp_va(host_addr);
+	struct pkvm_mem_donation donation = {
+		.tx	= {
+			.nr_pages	= nr_pages,
+			.initiator	= {
+				.id	= PKVM_ID_HOST,
+				.addr	= host_addr,
+				.host	= {
+					.completer_addr = hyp_addr,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_HYP,
+			},
+		},
+	};
+
+	host_lock_component();
+	hyp_lock_component();
+
+	ret = do_donate(&donation);
+
+	hyp_unlock_component();
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_hyp_donate_host(u64 pfn, u64 nr_pages)
+{
+	int ret;
+	u64 host_addr = hyp_pfn_to_phys(pfn);
+	u64 hyp_addr = (u64)__hyp_va(host_addr);
+	struct pkvm_mem_donation donation = {
+		.tx	= {
+			.nr_pages	= nr_pages,
+			.initiator	= {
+				.id	= PKVM_ID_HYP,
+				.addr	= hyp_addr,
+				.hyp	= {
+					.completer_addr = host_addr,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_HOST,
+			},
+		},
+	};
+
+	host_lock_component();
+	hyp_lock_component();
+
+	ret = do_donate(&donation);
+
+	hyp_unlock_component();
+	host_unlock_component();
+
+	return ret;
+}
+
+int hyp_pin_shared_mem(void *from, void *to)
+{
+	u64 cur, start = ALIGN_DOWN((u64)from, PAGE_SIZE);
+	u64 end = PAGE_ALIGN((u64)to);
+	u64 size = end - start;
+	int ret;
+
+	host_lock_component();
+	hyp_lock_component();
+
+	ret = __host_check_page_state_range(__hyp_pa(start), size,
+					    PKVM_PAGE_SHARED_OWNED);
+	if (ret)
+		goto unlock;
+
+	ret = __hyp_check_page_state_range(start, size,
+					   PKVM_PAGE_SHARED_BORROWED);
+	if (ret)
+		goto unlock;
+
+	for (cur = start; cur < end; cur += PAGE_SIZE)
+		hyp_page_ref_inc(hyp_virt_to_page(cur));
+
+unlock:
+	hyp_unlock_component();
+	host_unlock_component();
+
+	return ret;
+}
+
+void hyp_unpin_shared_mem(void *from, void *to)
+{
+	u64 cur, start = ALIGN_DOWN((u64)from, PAGE_SIZE);
+	u64 end = PAGE_ALIGN((u64)to);
+
+	host_lock_component();
+	hyp_lock_component();
+
+	for (cur = start; cur < end; cur += PAGE_SIZE)
+		hyp_page_ref_dec(hyp_virt_to_page(cur));
+
+	hyp_unlock_component();
+	host_unlock_component();
+}
+
+int __pkvm_host_share_guest(u64 pfn, u64 gfn, struct kvm_vcpu *vcpu)
+{
+	int ret;
+	u64 host_addr = hyp_pfn_to_phys(pfn);
+	u64 guest_addr = hyp_pfn_to_phys(gfn);
+	struct pkvm_mem_share share = {
+		.tx	= {
+			.nr_pages	= 1,
+			.initiator	= {
+				.id	= PKVM_ID_HOST,
+				.addr	= host_addr,
+				.host	= {
+					.completer_addr = guest_addr,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_GUEST,
+				.guest	= {
+					.vcpu = vcpu,
+					.phys = host_addr,
+				},
+			},
+		},
+		.completer_prot	= KVM_PGTABLE_PROT_RWX,
+	};
+
+	host_lock_component();
+	guest_lock_component(vcpu);
+
+	ret = do_share(&share);
+
+	guest_unlock_component(vcpu);
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_host_donate_guest(u64 pfn, u64 gfn, struct kvm_vcpu *vcpu)
+{
+	int ret;
+	u64 host_addr = hyp_pfn_to_phys(pfn);
+	u64 guest_addr = hyp_pfn_to_phys(gfn);
+	struct pkvm_mem_donation donation = {
+		.tx	= {
+			.nr_pages	= 1,
+			.initiator	= {
+				.id	= PKVM_ID_HOST,
+				.addr	= host_addr,
+				.host	= {
+					.completer_addr = guest_addr,
+				},
+			},
+			.completer	= {
+				.id	= PKVM_ID_GUEST,
+				.guest	= {
+					.vcpu = vcpu,
+					.phys = host_addr,
+				},
+			},
+		},
+	};
+
+	host_lock_component();
+	guest_lock_component(vcpu);
+
+	ret = do_donate(&donation);
+
+	guest_unlock_component(vcpu);
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_host_share_ffa(u64 pfn, u64 nr_pages)
+{
+	int ret;
+	struct pkvm_mem_share share = {
+		.tx	= {
+			.nr_pages	= nr_pages,
+			.initiator	= {
+				.id	= PKVM_ID_HOST,
+				.addr	= hyp_pfn_to_phys(pfn),
+			},
+			.completer	= {
+				.id	= PKVM_ID_FFA,
+			},
+		},
+	};
+
+	host_lock_component();
+	ret = do_share(&share);
+	host_unlock_component();
+
+	return ret;
+}
+
+int __pkvm_host_unshare_ffa(u64 pfn, u64 nr_pages)
+{
+	int ret;
+	struct pkvm_mem_share share = {
+		.tx	= {
+			.nr_pages	= nr_pages,
+			.initiator	= {
+				.id	= PKVM_ID_HOST,
+				.addr	= hyp_pfn_to_phys(pfn),
+			},
+			.completer	= {
+				.id	= PKVM_ID_FFA,
+			},
+		},
+	};
+
+	host_lock_component();
+	ret = do_unshare(&share);
+	host_unlock_component();
+
+	return ret;
+}
+
+static int hyp_zero_page(phys_addr_t phys)
+{
+	void *addr;
+
+	addr = hyp_fixmap_map(phys);
+	if (!addr)
+		return -EINVAL;
+	memset(addr, 0, PAGE_SIZE);
+	/*
+	 * Prefer kvm_flush_dcache_to_poc() over __clean_dcache_guest_page()
+	 * here as the latter may elide the CMO under the assumption that FWB
+	 * will be enabled on CPUs that support it. This is incorrect for the
+	 * host stage-2 and would otherwise lead to a malicious host potentially
+	 * being able to read the content of newly reclaimed guest pages.
+	 */
+	kvm_flush_dcache_to_poc(addr, PAGE_SIZE);
+
+	return hyp_fixmap_unmap();
+}
+
+int __pkvm_host_reclaim_page(u64 pfn)
+{
+	u64 addr = hyp_pfn_to_phys(pfn);
+	struct hyp_page *page;
+	kvm_pte_t pte;
+	int ret;
+
+	host_lock_component();
+
+	ret = kvm_pgtable_get_leaf(&host_kvm.pgt, addr, &pte, NULL);
+	if (ret)
+		goto unlock;
+
+	if (host_get_page_state(pte, addr) == PKVM_PAGE_OWNED)
+		goto unlock;
+
+	page = hyp_phys_to_page(addr);
+	if (!(page->flags & HOST_PAGE_PENDING_RECLAIM)) {
+		ret = -EPERM;
+		goto unlock;
+	}
+
+	if (page->flags & HOST_PAGE_NEED_POISONING) {
+		ret = hyp_zero_page(addr);
+		if (ret)
+			goto unlock;
+		page->flags &= ~HOST_PAGE_NEED_POISONING;
+		psci_mem_protect_dec();
+	}
+
+	ret = host_stage2_set_owner_locked(addr, PAGE_SIZE, pkvm_host_id);
+	if (ret)
+		goto unlock;
+	page->flags &= ~HOST_PAGE_PENDING_RECLAIM;
+
+unlock:
+	host_unlock_component();
+
+	return ret;
+}
+
+/* Replace this with something more structured once day */
+#define MMIO_NOTE	(('M' << 24 | 'M' << 16 | 'I' << 8 | 'O') << 1)
+
+static bool __check_ioguard_page(struct kvm_vcpu *vcpu, u64 ipa)
+{
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+	kvm_pte_t pte;
+	u32 level;
+	int ret;
+
+	ret = kvm_pgtable_get_leaf(&vm->pgt, ipa, &pte, &level);
+	if (ret)
+		return false;
+
+	/* Must be a PAGE_SIZE mapping with our annotation */
+	return (BIT(ARM64_HW_PGTABLE_LEVEL_SHIFT(level)) == PAGE_SIZE &&
+		pte == MMIO_NOTE);
+}
+
+int __pkvm_install_ioguard_page(struct kvm_vcpu *vcpu, u64 ipa)
+{
+	struct kvm_shadow_vm *vm;
+	kvm_pte_t pte;
+	u32 level;
+	int ret;
+
+	vm = vcpu->arch.pkvm.shadow_vm;
+
+	if (!test_bit(KVM_ARCH_FLAG_MMIO_GUARD, &vm->arch.flags))
+		return -EINVAL;
+
+	if (ipa & ~PAGE_MASK)
+		return -EINVAL;
+
+	guest_lock_component(vcpu);
+
+	ret = kvm_pgtable_get_leaf(&vm->pgt, ipa, &pte, &level);
+	if (ret)
+		goto unlock;
+
+	if (pte && BIT(ARM64_HW_PGTABLE_LEVEL_SHIFT(level)) == PAGE_SIZE) {
+		/*
+		 * Already flagged as MMIO, let's accept it, and fail
+		 * otherwise
+		 */
+		if (pte != MMIO_NOTE)
+			ret = -EBUSY;
+
+		goto unlock;
+	}
+
+	ret = kvm_pgtable_stage2_annotate(&vm->pgt, ipa, PAGE_SIZE,
+					  &vcpu->arch.pkvm_memcache,
+					  MMIO_NOTE);
+
+unlock:
+	guest_unlock_component(vcpu);
+	return ret;
+}
+
+int __pkvm_remove_ioguard_page(struct kvm_vcpu *vcpu, u64 ipa)
+{
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+
+	if (!test_bit(KVM_ARCH_FLAG_MMIO_GUARD, &vm->arch.flags))
+		return -EINVAL;
+
+	guest_lock_component(vcpu);
+
+	if (__check_ioguard_page(vcpu, ipa)) {
+		struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+
+		kvm_pgtable_stage2_unmap(&vm->pgt,
+					 ALIGN_DOWN(ipa, PAGE_SIZE), PAGE_SIZE);
+	}
+
+	guest_unlock_component(vcpu);
+	return 0;
+}
+
+bool __pkvm_check_ioguard_page(struct kvm_vcpu *vcpu)
+{
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+	u64 ipa, end;
+	bool ret;
+
+	if (!kvm_vcpu_dabt_isvalid(vcpu))
+		return false;
+
+	if (!test_bit(KVM_ARCH_FLAG_MMIO_GUARD, &vm->arch.flags))
+		return true;
+
+	ipa  = kvm_vcpu_get_fault_ipa(vcpu);
+	ipa |= kvm_vcpu_get_hfar(vcpu) & FAR_MASK;
+	end = ipa + kvm_vcpu_dabt_get_as(vcpu) - 1;
+
+	guest_lock_component(vcpu);
+	ret = __check_ioguard_page(vcpu, ipa);
+	if ((end & PAGE_MASK) != (ipa & PAGE_MASK))
+		ret &= __check_ioguard_page(vcpu, end);
+	guest_unlock_component(vcpu);
+
+	return ret;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/mm.c b/arch/arm64/kvm/hyp/nvhe/mm.c
new file mode 100644
index 0000000..4e86a21
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/mm.c
@@ -0,0 +1,342 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/kvm_pkvm.h>
+#include <asm/spectre.h>
+
+#include <nvhe/early_alloc.h>
+#include <nvhe/gfp.h>
+#include <nvhe/memory.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+#include <nvhe/spinlock.h>
+
+struct kvm_pgtable pkvm_pgtable;
+hyp_spinlock_t pkvm_pgd_lock;
+
+struct memblock_region hyp_memory[HYP_MEMBLOCK_REGIONS];
+unsigned int hyp_memblock_nr;
+
+static u64 __io_map_base;
+static DEFINE_PER_CPU(void *, hyp_fixmap_base);
+
+static int __pkvm_create_mappings(unsigned long start, unsigned long size,
+				  unsigned long phys, enum kvm_pgtable_prot prot)
+{
+	int err;
+
+	hyp_spin_lock(&pkvm_pgd_lock);
+	err = kvm_pgtable_hyp_map(&pkvm_pgtable, start, size, phys, prot);
+	hyp_spin_unlock(&pkvm_pgd_lock);
+
+	return err;
+}
+
+static unsigned long hyp_alloc_private_va_range(size_t size)
+{
+	unsigned long addr = __io_map_base;
+
+	hyp_assert_lock_held(&pkvm_pgd_lock);
+	__io_map_base += PAGE_ALIGN(size);
+
+	/* Are we overflowing on the vmemmap ? */
+	if (__io_map_base > __hyp_vmemmap) {
+		__io_map_base = addr;
+		addr = (unsigned long)ERR_PTR(-ENOMEM);
+	}
+
+	return addr;
+}
+
+unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
+					    enum kvm_pgtable_prot prot)
+{
+	unsigned long addr;
+	int err;
+
+	hyp_spin_lock(&pkvm_pgd_lock);
+
+	size = size + offset_in_page(phys);
+	addr = hyp_alloc_private_va_range(size);
+	if (IS_ERR((void *)addr))
+		goto out;
+
+	err = kvm_pgtable_hyp_map(&pkvm_pgtable, addr, size, phys, prot);
+	if (err) {
+		addr = (unsigned long)ERR_PTR(err);
+		goto out;
+	}
+
+	addr = addr + offset_in_page(phys);
+out:
+	hyp_spin_unlock(&pkvm_pgd_lock);
+
+	return addr;
+}
+
+int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot)
+{
+	unsigned long start = (unsigned long)from;
+	unsigned long end = (unsigned long)to;
+	unsigned long virt_addr;
+	phys_addr_t phys;
+
+	hyp_assert_lock_held(&pkvm_pgd_lock);
+
+	start = start & PAGE_MASK;
+	end = PAGE_ALIGN(end);
+
+	for (virt_addr = start; virt_addr < end; virt_addr += PAGE_SIZE) {
+		int err;
+
+		phys = hyp_virt_to_phys((void *)virt_addr);
+		err = kvm_pgtable_hyp_map(&pkvm_pgtable, virt_addr, PAGE_SIZE,
+					  phys, prot);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot)
+{
+	int ret;
+
+	hyp_spin_lock(&pkvm_pgd_lock);
+	ret = pkvm_create_mappings_locked(from, to, prot);
+	hyp_spin_unlock(&pkvm_pgd_lock);
+
+	return ret;
+}
+
+int hyp_back_vmemmap(phys_addr_t back)
+{
+	unsigned long i, start, size, end = 0;
+	int ret;
+
+	for (i = 0; i < hyp_memblock_nr; i++) {
+		start = hyp_memory[i].base;
+		start = ALIGN_DOWN((u64)hyp_phys_to_page(start), PAGE_SIZE);
+		/*
+		 * The begining of the hyp_vmemmap region for the current
+		 * memblock may already be backed by the page backing the end
+		 * the previous region, so avoid mapping it twice.
+		 */
+		start = max(start, end);
+
+		end = hyp_memory[i].base + hyp_memory[i].size;
+		end = PAGE_ALIGN((u64)hyp_phys_to_page(end));
+		if (start >= end)
+			continue;
+
+		size = end - start;
+		ret = __pkvm_create_mappings(start, size, back, PAGE_HYP);
+		if (ret)
+			return ret;
+
+		memset(hyp_phys_to_virt(back), 0, size);
+		back += size;
+	}
+
+	return 0;
+}
+
+static void *__hyp_bp_vect_base;
+int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot)
+{
+	void *vector;
+
+	switch (slot) {
+	case HYP_VECTOR_DIRECT: {
+		vector = __kvm_hyp_vector;
+		break;
+	}
+	case HYP_VECTOR_SPECTRE_DIRECT: {
+		vector = __bp_harden_hyp_vecs;
+		break;
+	}
+	case HYP_VECTOR_INDIRECT:
+	case HYP_VECTOR_SPECTRE_INDIRECT: {
+		vector = (void *)__hyp_bp_vect_base;
+		break;
+	}
+	default:
+		return -EINVAL;
+	}
+
+	vector = __kvm_vector_slot2addr(vector, slot);
+	*this_cpu_ptr(&kvm_hyp_vector) = (unsigned long)vector;
+
+	return 0;
+}
+
+int hyp_map_vectors(void)
+{
+	phys_addr_t phys;
+	void *bp_base;
+
+	if (!kvm_system_needs_idmapped_vectors()) {
+		__hyp_bp_vect_base = __bp_harden_hyp_vecs;
+		return 0;
+	}
+
+	phys = __hyp_pa(__bp_harden_hyp_vecs);
+	bp_base = (void *)__pkvm_create_private_mapping(phys,
+							__BP_HARDEN_HYP_VECS_SZ,
+							PAGE_HYP_EXEC);
+	if (IS_ERR_OR_NULL(bp_base))
+		return PTR_ERR(bp_base);
+
+	__hyp_bp_vect_base = bp_base;
+
+	return 0;
+}
+
+void *hyp_fixmap_map(phys_addr_t phys)
+{
+	void *addr = *this_cpu_ptr(&hyp_fixmap_base);
+	int ret = kvm_pgtable_hyp_map(&pkvm_pgtable, (u64)addr, PAGE_SIZE,
+				      phys, PAGE_HYP);
+	return ret ? NULL : addr;
+}
+
+int hyp_fixmap_unmap(void)
+{
+	void *addr = *this_cpu_ptr(&hyp_fixmap_base);
+	int ret = kvm_pgtable_hyp_unmap(&pkvm_pgtable, (u64)addr, PAGE_SIZE);
+
+	return (ret != PAGE_SIZE) ? -EINVAL : 0;
+}
+
+static int __pin_pgtable_cb(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
+			    enum kvm_pgtable_walk_flags flag, void * const arg)
+{
+	if (!kvm_pte_valid(*ptep) || level != KVM_PGTABLE_MAX_LEVELS - 1)
+		return -EINVAL;
+	hyp_page_ref_inc(hyp_virt_to_page(ptep));
+
+	return 0;
+}
+
+static int hyp_pin_pgtable_pages(u64 addr)
+{
+	struct kvm_pgtable_walker walker = {
+		.cb	= __pin_pgtable_cb,
+		.flags	= KVM_PGTABLE_WALK_LEAF,
+	};
+
+	return kvm_pgtable_walk(&pkvm_pgtable, addr, PAGE_SIZE, &walker);
+}
+
+int hyp_create_pcpu_fixmap(void)
+{
+	unsigned long i;
+	int ret = 0;
+	u64 addr;
+
+	hyp_spin_lock(&pkvm_pgd_lock);
+
+	for (i = 0; i < hyp_nr_cpus; i++) {
+		addr = hyp_alloc_private_va_range(PAGE_SIZE);
+		if (IS_ERR((void *)addr)) {
+			ret = -ENOMEM;
+			goto unlock;
+		}
+
+		/*
+		 * Create a dummy mapping, to get the intermediate page-table
+		 * pages allocated, then take a reference on the last level
+		 * page to keep it around at all times.
+		 */
+		ret = kvm_pgtable_hyp_map(&pkvm_pgtable, addr, PAGE_SIZE,
+					  __hyp_pa(__hyp_bss_start), PAGE_HYP);
+		if (ret) {
+			ret = -EINVAL;
+			goto unlock;
+		}
+
+		ret = hyp_pin_pgtable_pages(addr);
+		if (ret)
+			goto unlock;
+
+		ret = kvm_pgtable_hyp_unmap(&pkvm_pgtable, addr, PAGE_SIZE);
+		if (ret != PAGE_SIZE) {
+			ret = -EINVAL;
+			goto unlock;
+		} else {
+			ret = 0;
+		}
+
+		*per_cpu_ptr(&hyp_fixmap_base, i) = (void *)addr;
+	}
+unlock:
+	hyp_spin_unlock(&pkvm_pgd_lock);
+
+	return ret;
+}
+
+int hyp_create_idmap(u32 hyp_va_bits)
+{
+	unsigned long start, end;
+
+	start = hyp_virt_to_phys((void *)__hyp_idmap_text_start);
+	start = ALIGN_DOWN(start, PAGE_SIZE);
+
+	end = hyp_virt_to_phys((void *)__hyp_idmap_text_end);
+	end = ALIGN(end, PAGE_SIZE);
+
+	/*
+	 * One half of the VA space is reserved to linearly map portions of
+	 * memory -- see va_layout.c for more details. The other half of the VA
+	 * space contains the trampoline page, and needs some care. Split that
+	 * second half in two and find the quarter of VA space not conflicting
+	 * with the idmap to place the IOs and the vmemmap. IOs use the lower
+	 * half of the quarter and the vmemmap the upper half.
+	 */
+	__io_map_base = start & BIT(hyp_va_bits - 2);
+	__io_map_base ^= BIT(hyp_va_bits - 2);
+	__hyp_vmemmap = __io_map_base | BIT(hyp_va_bits - 3);
+
+	return __pkvm_create_mappings(start, end - start, start, PAGE_HYP_EXEC);
+}
+
+static void *admit_host_page(void *arg)
+{
+	struct kvm_hyp_memcache *host_mc = arg;
+
+	if (!host_mc->nr_pages)
+		return NULL;
+
+	/*
+	 * The host still owns the pages in its memcache, so we need to go
+	 * through a full host-to-hyp donation cycle to change it. Fortunately,
+	 * __pkvm_host_donate_hyp() takes care of races for us, so if it
+	 * succeeds we're good to go.
+	 */
+	if (__pkvm_host_donate_hyp(hyp_phys_to_pfn(host_mc->head), 1))
+		return NULL;
+
+	return pop_hyp_memcache(host_mc, hyp_phys_to_virt);
+}
+
+/* Refill our local memcache by poping pages from the one provided by the host. */
+int refill_memcache(struct kvm_hyp_memcache *mc, unsigned long min_pages,
+		    struct kvm_hyp_memcache *host_mc)
+{
+	struct kvm_hyp_memcache tmp = *host_mc;
+	int ret;
+
+	ret =  __topup_hyp_memcache(mc, min_pages, admit_host_page,
+				    hyp_virt_to_phys, &tmp);
+	*host_mc = tmp;
+
+	return ret;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/page_alloc.c b/arch/arm64/kvm/hyp/nvhe/page_alloc.c
new file mode 100644
index 0000000..80d447b
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/page_alloc.c
@@ -0,0 +1,246 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <asm/kvm_hyp.h>
+#include <nvhe/gfp.h>
+
+u64 __hyp_vmemmap;
+
+/*
+ * Index the hyp_vmemmap to find a potential buddy page, but make no assumption
+ * about its current state.
+ *
+ * Example buddy-tree for a 4-pages physically contiguous pool:
+ *
+ *                 o : Page 3
+ *                /
+ *               o-o : Page 2
+ *              /
+ *             /   o : Page 1
+ *            /   /
+ *           o---o-o : Page 0
+ *    Order  2   1 0
+ *
+ * Example of requests on this pool:
+ *   __find_buddy_nocheck(pool, page 0, order 0) => page 1
+ *   __find_buddy_nocheck(pool, page 0, order 1) => page 2
+ *   __find_buddy_nocheck(pool, page 1, order 0) => page 0
+ *   __find_buddy_nocheck(pool, page 2, order 0) => page 3
+ */
+static struct hyp_page *__find_buddy_nocheck(struct hyp_pool *pool,
+					     struct hyp_page *p,
+					     u8 order)
+{
+	phys_addr_t addr = hyp_page_to_phys(p);
+
+	addr ^= (PAGE_SIZE << order);
+
+	/*
+	 * Don't return a page outside the pool range -- it belongs to
+	 * something else and may not be mapped in hyp_vmemmap.
+	 */
+	if (addr < pool->range_start || addr >= pool->range_end)
+		return NULL;
+
+	return hyp_phys_to_page(addr);
+}
+
+/* Find a buddy page currently available for allocation */
+static struct hyp_page *__find_buddy_avail(struct hyp_pool *pool,
+					   struct hyp_page *p,
+					   u8 order)
+{
+	struct hyp_page *buddy = __find_buddy_nocheck(pool, p, order);
+
+	if (!buddy || buddy->order != order || buddy->refcount)
+		return NULL;
+
+	return buddy;
+
+}
+
+/*
+ * Pages that are available for allocation are tracked in free-lists, so we use
+ * the pages themselves to store the list nodes to avoid wasting space. As the
+ * allocator always returns zeroed pages (which are zeroed on the hyp_put_page()
+ * path to optimize allocation speed), we also need to clean-up the list node in
+ * each page when we take it out of the list.
+ */
+static inline void page_remove_from_list(struct hyp_page *p)
+{
+	struct list_head *node = hyp_page_to_virt(p);
+
+	__list_del_entry(node);
+	memset(node, 0, sizeof(*node));
+}
+
+static inline void page_add_to_list(struct hyp_page *p, struct list_head *head)
+{
+	struct list_head *node = hyp_page_to_virt(p);
+
+	INIT_LIST_HEAD(node);
+	list_add_tail(node, head);
+}
+
+static inline struct hyp_page *node_to_page(struct list_head *node)
+{
+	return hyp_virt_to_page(node);
+}
+
+static void __hyp_attach_page(struct hyp_pool *pool,
+			      struct hyp_page *p)
+{
+	phys_addr_t phys = hyp_page_to_phys(p);
+	struct hyp_page *buddy;
+	u8 order = p->order;
+
+	memset(hyp_page_to_virt(p), 0, PAGE_SIZE << p->order);
+
+	if (phys < pool->range_start || phys >= pool->range_end)
+		goto insert;
+
+	/*
+	 * Only the first struct hyp_page of a high-order page (otherwise known
+	 * as the 'head') should have p->order set. The non-head pages should
+	 * have p->order = HYP_NO_ORDER. Here @p may no longer be the head
+	 * after coallescing, so make sure to mark it HYP_NO_ORDER proactively.
+	 */
+	p->order = HYP_NO_ORDER;
+	for (; (order + 1) < pool->max_order; order++) {
+		buddy = __find_buddy_avail(pool, p, order);
+		if (!buddy)
+			break;
+
+		/* Take the buddy out of its list, and coallesce with @p */
+		page_remove_from_list(buddy);
+		buddy->order = HYP_NO_ORDER;
+		p = min(p, buddy);
+	}
+
+insert:
+	/* Mark the new head, and insert it */
+	p->order = order;
+	page_add_to_list(p, &pool->free_area[order]);
+}
+
+static struct hyp_page *__hyp_extract_page(struct hyp_pool *pool,
+					   struct hyp_page *p,
+					   u8 order)
+{
+	struct hyp_page *buddy;
+
+	page_remove_from_list(p);
+	while (p->order > order) {
+		/*
+		 * The buddy of order n - 1 currently has HYP_NO_ORDER as it
+		 * is covered by a higher-level page (whose head is @p). Use
+		 * __find_buddy_nocheck() to find it and inject it in the
+		 * free_list[n - 1], effectively splitting @p in half.
+		 */
+		p->order--;
+		buddy = __find_buddy_nocheck(pool, p, p->order);
+		buddy->order = p->order;
+		page_add_to_list(buddy, &pool->free_area[buddy->order]);
+	}
+
+	return p;
+}
+
+static void __hyp_put_page(struct hyp_pool *pool, struct hyp_page *p)
+{
+	if (hyp_page_ref_dec_and_test(p))
+		__hyp_attach_page(pool, p);
+}
+
+/*
+ * Changes to the buddy tree and page refcounts must be done with the hyp_pool
+ * lock held. If a refcount change requires an update to the buddy tree (e.g.
+ * hyp_put_page()), both operations must be done within the same critical
+ * section to guarantee transient states (e.g. a page with null refcount but
+ * not yet attached to a free list) can't be observed by well-behaved readers.
+ */
+void hyp_put_page(struct hyp_pool *pool, void *addr)
+{
+	struct hyp_page *p = hyp_virt_to_page(addr);
+
+	hyp_spin_lock(&pool->lock);
+	__hyp_put_page(pool, p);
+	hyp_spin_unlock(&pool->lock);
+}
+
+void hyp_get_page(struct hyp_pool *pool, void *addr)
+{
+	struct hyp_page *p = hyp_virt_to_page(addr);
+
+	hyp_spin_lock(&pool->lock);
+	hyp_page_ref_inc(p);
+	hyp_spin_unlock(&pool->lock);
+}
+
+void hyp_split_page(struct hyp_page *p)
+{
+	u8 order = p->order;
+	unsigned int i;
+
+	p->order = 0;
+	for (i = 1; i < (1 << order); i++) {
+		struct hyp_page *tail = p + i;
+
+		tail->order = 0;
+		hyp_set_page_refcounted(tail);
+	}
+}
+
+void *hyp_alloc_pages(struct hyp_pool *pool, u8 order)
+{
+	struct hyp_page *p;
+	u8 i = order;
+
+	hyp_spin_lock(&pool->lock);
+
+	/* Look for a high-enough-order page */
+	while (i < pool->max_order && list_empty(&pool->free_area[i]))
+		i++;
+	if (i >= pool->max_order) {
+		hyp_spin_unlock(&pool->lock);
+		return NULL;
+	}
+
+	/* Extract it from the tree at the right order */
+	p = node_to_page(pool->free_area[i].next);
+	p = __hyp_extract_page(pool, p, order);
+
+	hyp_set_page_refcounted(p);
+	hyp_spin_unlock(&pool->lock);
+
+	return hyp_page_to_virt(p);
+}
+
+int hyp_pool_init(struct hyp_pool *pool, u64 pfn, unsigned int nr_pages,
+		  unsigned int reserved_pages)
+{
+	phys_addr_t phys = hyp_pfn_to_phys(pfn);
+	struct hyp_page *p;
+	int i;
+
+	hyp_spin_lock_init(&pool->lock);
+	pool->max_order = min(MAX_ORDER, get_order((nr_pages + 1) << PAGE_SHIFT));
+	for (i = 0; i < pool->max_order; i++)
+		INIT_LIST_HEAD(&pool->free_area[i]);
+	pool->range_start = phys;
+	pool->range_end = phys + (nr_pages << PAGE_SHIFT);
+
+	/* Init the vmemmap portion */
+	p = hyp_phys_to_page(phys);
+	for (i = 0; i < nr_pages; i++)
+		hyp_set_page_refcounted(&p[i]);
+
+	/* Attach the unused pages to the buddy tree */
+	for (i = reserved_pages; i < nr_pages; i++)
+		__hyp_put_page(pool, &p[i]);
+
+	return 0;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/pkvm.c b/arch/arm64/kvm/hyp/nvhe/pkvm.c
new file mode 100644
index 0000000..cc261293
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/pkvm.c
@@ -0,0 +1,1432 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 Google LLC
+ * Author: Fuad Tabba <tabba@google.com>
+ */
+
+#include <asm/kvm_arm.h>
+#include <asm/kvm_asm.h>
+#include <asm/kvm_host.h>
+#include <asm/kvm_mmu.h>
+#include <asm/memory.h>
+
+#include <linux/kvm_host.h>
+#include <linux/mm.h>
+
+#include <kvm/arm_hypercalls.h>
+#include <kvm/arm_psci.h>
+
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+#include <nvhe/pkvm.h>
+#include <nvhe/trap_handler.h>
+
+/* Used by icache_is_vpipt(). */
+unsigned long __icache_flags;
+
+/*
+ * Set trap register values based on features in ID_AA64PFR0.
+ */
+static void pvm_init_traps_aa64pfr0(struct kvm_vcpu *vcpu)
+{
+	const u64 feature_ids = pvm_read_id_reg(vcpu, SYS_ID_AA64PFR0_EL1);
+	u64 hcr_set = HCR_RW;
+	u64 hcr_clear = 0;
+	u64 cptr_set = 0;
+
+	/* Protected KVM does not support AArch32 guests. */
+	BUILD_BUG_ON(FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_EL0),
+		PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) != ID_AA64PFR0_ELx_64BIT_ONLY);
+	BUILD_BUG_ON(FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1),
+		PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) != ID_AA64PFR0_ELx_64BIT_ONLY);
+
+	/*
+	 * Linux guests assume support for floating-point and Advanced SIMD. Do
+	 * not change the trapping behavior for these from the KVM default.
+	 */
+	BUILD_BUG_ON(!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_FP),
+				PVM_ID_AA64PFR0_ALLOW));
+	BUILD_BUG_ON(!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_ASIMD),
+				PVM_ID_AA64PFR0_ALLOW));
+
+	/* Trap RAS unless all current versions are supported */
+	if (FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_RAS), feature_ids) <
+	    ID_AA64PFR0_RAS_V1P1) {
+		hcr_set |= HCR_TERR | HCR_TEA;
+		hcr_clear |= HCR_FIEN;
+	}
+
+	/* Trap AMU */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_AMU), feature_ids)) {
+		hcr_clear |= HCR_AMVOFFEN;
+		cptr_set |= CPTR_EL2_TAM;
+	}
+
+	/* Trap SVE */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_SVE), feature_ids))
+		cptr_set |= CPTR_EL2_TZ;
+
+	vcpu->arch.hcr_el2 |= hcr_set;
+	vcpu->arch.hcr_el2 &= ~hcr_clear;
+	vcpu->arch.cptr_el2 |= cptr_set;
+}
+
+/*
+ * Set trap register values based on features in ID_AA64PFR1.
+ */
+static void pvm_init_traps_aa64pfr1(struct kvm_vcpu *vcpu)
+{
+	const u64 feature_ids = pvm_read_id_reg(vcpu, SYS_ID_AA64PFR1_EL1);
+	u64 hcr_set = 0;
+	u64 hcr_clear = 0;
+
+	/* Memory Tagging: Trap and Treat as Untagged if not supported. */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR1_MTE), feature_ids)) {
+		hcr_set |= HCR_TID5;
+		hcr_clear |= HCR_DCT | HCR_ATA;
+	}
+
+	vcpu->arch.hcr_el2 |= hcr_set;
+	vcpu->arch.hcr_el2 &= ~hcr_clear;
+}
+
+/*
+ * Set trap register values based on features in ID_AA64DFR0.
+ */
+static void pvm_init_traps_aa64dfr0(struct kvm_vcpu *vcpu)
+{
+	const u64 feature_ids = pvm_read_id_reg(vcpu, SYS_ID_AA64DFR0_EL1);
+	u64 mdcr_set = 0;
+	u64 mdcr_clear = 0;
+	u64 cptr_set = 0;
+
+	/* Trap/constrain PMU */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_PMUVER), feature_ids)) {
+		mdcr_set |= MDCR_EL2_TPM | MDCR_EL2_TPMCR;
+		mdcr_clear |= MDCR_EL2_HPME | MDCR_EL2_MTPME |
+			      MDCR_EL2_HPMN_MASK;
+	}
+
+	/* Trap Debug */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER), feature_ids))
+		mdcr_set |= MDCR_EL2_TDRA | MDCR_EL2_TDA;
+
+	/* Trap OS Double Lock */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_DOUBLELOCK), feature_ids))
+		mdcr_set |= MDCR_EL2_TDOSA;
+
+	/* Trap SPE */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_PMSVER), feature_ids)) {
+		mdcr_set |= MDCR_EL2_TPMS;
+		mdcr_clear |= MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT;
+	}
+
+	/* Trap Trace Filter */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_TRACE_FILT), feature_ids))
+		mdcr_set |= MDCR_EL2_TTRF;
+
+	/* Trap Trace */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_TRACEVER), feature_ids))
+		cptr_set |= CPTR_EL2_TTA;
+
+	vcpu->arch.mdcr_el2 |= mdcr_set;
+	vcpu->arch.mdcr_el2 &= ~mdcr_clear;
+	vcpu->arch.cptr_el2 |= cptr_set;
+}
+
+/*
+ * Set trap register values based on features in ID_AA64MMFR0.
+ */
+static void pvm_init_traps_aa64mmfr0(struct kvm_vcpu *vcpu)
+{
+	const u64 feature_ids = pvm_read_id_reg(vcpu, SYS_ID_AA64MMFR0_EL1);
+	u64 mdcr_set = 0;
+
+	/* Trap Debug Communications Channel registers */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_FGT), feature_ids))
+		mdcr_set |= MDCR_EL2_TDCC;
+
+	vcpu->arch.mdcr_el2 |= mdcr_set;
+}
+
+/*
+ * Set trap register values based on features in ID_AA64MMFR1.
+ */
+static void pvm_init_traps_aa64mmfr1(struct kvm_vcpu *vcpu)
+{
+	const u64 feature_ids = pvm_read_id_reg(vcpu, SYS_ID_AA64MMFR1_EL1);
+	u64 hcr_set = 0;
+
+	/* Trap LOR */
+	if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR1_LOR), feature_ids))
+		hcr_set |= HCR_TLOR;
+
+	vcpu->arch.hcr_el2 |= hcr_set;
+}
+
+/*
+ * Set baseline trap register values.
+ */
+static void pvm_init_trap_regs(struct kvm_vcpu *vcpu)
+{
+	vcpu->arch.cptr_el2 = CPTR_EL2_DEFAULT;
+	vcpu->arch.mdcr_el2 = 0;
+
+	/*
+	 * Always trap:
+	 * - Feature id registers: to control features exposed to guests
+	 * - Implementation-defined features
+	 */
+	vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS |
+			     HCR_TID3 | HCR_TACR | HCR_TIDCP | HCR_TID1;
+
+	if (cpus_have_const_cap(ARM64_HAS_RAS_EXTN)) {
+		/* route synchronous external abort exceptions to EL2 */
+		vcpu->arch.hcr_el2 |= HCR_TEA;
+		/* trap error record accesses */
+		vcpu->arch.hcr_el2 |= HCR_TERR;
+	}
+
+	if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
+		vcpu->arch.hcr_el2 |= HCR_FWB;
+
+	if (cpus_have_const_cap(ARM64_MISMATCHED_CACHE_TYPE))
+		vcpu->arch.hcr_el2 |= HCR_TID2;
+}
+
+/*
+ * Initialize trap register values for protected VMs.
+ */
+static void pkvm_vcpu_init_traps(struct kvm_vcpu *vcpu)
+{
+	pvm_init_trap_regs(vcpu);
+	pvm_init_traps_aa64pfr0(vcpu);
+	pvm_init_traps_aa64pfr1(vcpu);
+	pvm_init_traps_aa64dfr0(vcpu);
+	pvm_init_traps_aa64mmfr0(vcpu);
+	pvm_init_traps_aa64mmfr1(vcpu);
+}
+
+/*
+ * Start the shadow table handle at the offset defined instead of at 0.
+ * Mainly for sanity checking and debugging.
+ */
+#define HANDLE_OFFSET 0x1000
+
+static int shadow_handle_to_index(int shadow_handle)
+{
+	return shadow_handle - HANDLE_OFFSET;
+}
+
+static int index_to_shadow_handle(int index)
+{
+	return index + HANDLE_OFFSET;
+}
+
+extern unsigned long hyp_nr_cpus;
+
+/*
+ * Track the vcpu most recently loaded on each physical CPU.
+ */
+static DEFINE_PER_CPU(struct kvm_vcpu *, last_loaded_vcpu);
+
+/*
+ * Spinlock for protecting the shadow table related state.
+ * Protects writes to shadow_table, num_shadow_entries, and next_shadow_alloc,
+ * as well as reads and writes to last_shadow_vcpu_lookup.
+ */
+static DEFINE_HYP_SPINLOCK(shadow_lock);
+
+/*
+ * The table of shadow entries for protected VMs in hyp.
+ * Allocated at hyp initialization and setup.
+ */
+static struct kvm_shadow_vm **shadow_table;
+
+/* Current number of vms in the shadow table. */
+static int num_shadow_entries;
+
+/* The next entry index to try to allocate from. */
+static int next_shadow_alloc;
+
+void hyp_shadow_table_init(void *tbl)
+{
+	WARN_ON(shadow_table);
+	shadow_table = tbl;
+}
+
+/*
+ * Return the shadow vm corresponding to the handle.
+ */
+static struct kvm_shadow_vm *find_shadow_by_handle(int shadow_handle)
+{
+	int shadow_index = shadow_handle_to_index(shadow_handle);
+
+	if (unlikely(shadow_index < 0 || shadow_index >= KVM_MAX_PVMS))
+		return NULL;
+
+	return shadow_table[shadow_index];
+}
+
+struct kvm_vcpu *get_shadow_vcpu(int shadow_handle, unsigned int vcpu_idx)
+{
+	struct kvm_vcpu *vcpu = NULL;
+	struct kvm_shadow_vm *vm;
+	bool flush_context = false;
+
+	hyp_spin_lock(&shadow_lock);
+	vm = find_shadow_by_handle(shadow_handle);
+	if (!vm || vm->nr_vcpus <= vcpu_idx)
+		goto unlock;
+	vcpu = &vm->shadow_vcpus[vcpu_idx]->vcpu;
+
+	/* Ensure vcpu isn't loaded on more than one cpu simultaneously. */
+	if (unlikely(vcpu->arch.pkvm.loaded_on_cpu)) {
+		vcpu = NULL;
+		goto unlock;
+	}
+
+	/*
+	 * Guarantee that both TLBs and I-cache are private to each vcpu.
+	 * The check below is conservative and could lead to over-invalidation,
+	 * because there is no need to nuke the contexts if the vcpu belongs to
+	 * a different vm.
+	 */
+	if (vcpu != __this_cpu_read(last_loaded_vcpu)) {
+		flush_context = true;
+		__this_cpu_write(last_loaded_vcpu, vcpu);
+	}
+
+	vcpu->arch.pkvm.loaded_on_cpu = true;
+
+	hyp_page_ref_inc(hyp_virt_to_page(vm));
+unlock:
+	hyp_spin_unlock(&shadow_lock);
+
+	/* No need for the lock while flushing the context. */
+	if (flush_context)
+		__kvm_flush_cpu_context(vcpu->arch.hw_mmu);
+
+	return vcpu;
+}
+
+void put_shadow_vcpu(struct kvm_vcpu *vcpu)
+{
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+
+	hyp_spin_lock(&shadow_lock);
+	vcpu->arch.pkvm.loaded_on_cpu = false;
+	hyp_page_ref_dec(hyp_virt_to_page(vm));
+	hyp_spin_unlock(&shadow_lock);
+}
+
+/* Check and copy the supported features for the vcpu from the host. */
+static int copy_features(struct kvm_vcpu *shadow_vcpu, struct kvm_vcpu *host_vcpu)
+{
+	DECLARE_BITMAP(allowed_features, KVM_VCPU_MAX_FEATURES);
+
+	bitmap_zero(allowed_features, KVM_VCPU_MAX_FEATURES);
+
+	/*
+	 * Always allowed:
+	 * - CPU starting in poweroff state
+	 * - PSCI v0.2
+	 */
+	set_bit(KVM_ARM_VCPU_POWER_OFF, allowed_features);
+	set_bit(KVM_ARM_VCPU_PSCI_0_2, allowed_features);
+
+	/*
+	 * Check if remaining features are allowed:
+	 * - Performance Monitoring
+	 * - Scalable Vectors
+	 * - Pointer Authentication
+	 */
+	if (FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_PMUVER), PVM_ID_AA64DFR0_ALLOW))
+	        set_bit(KVM_ARM_VCPU_PMU_V3, allowed_features);
+
+	if (FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_SVE), PVM_ID_AA64PFR0_ALLOW))
+	        set_bit(KVM_ARM_VCPU_SVE, allowed_features);
+
+	if (FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_API), PVM_ID_AA64ISAR1_ALLOW) &&
+	    FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_APA), PVM_ID_AA64ISAR1_ALLOW))
+	        set_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, allowed_features);
+
+	if (FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_GPI), PVM_ID_AA64ISAR1_ALLOW) &&
+	    FIELD_GET(ARM64_FEATURE_MASK(ID_AA64ISAR1_GPA), PVM_ID_AA64ISAR1_ALLOW))
+	        set_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, allowed_features);
+
+	bitmap_and(shadow_vcpu->arch.features, host_vcpu->arch.features,
+		allowed_features, KVM_VCPU_MAX_FEATURES);
+
+	/*
+	 * Check for system support for address/generic pointer authentication
+	 * features if either are enabled.
+	 */
+	if ((test_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, shadow_vcpu->arch.features) ||
+	     test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, shadow_vcpu->arch.features)) &&
+	    !system_has_full_ptr_auth())
+		return -EINVAL;
+
+	return 0;
+}
+
+static void unpin_host_vcpu(struct shadow_vcpu_state *shadow_vcpu)
+{
+	struct kvm_vcpu *host_vcpu = shadow_vcpu->vcpu.arch.pkvm.host_vcpu;
+	size_t sve_state_size;
+	void *sve_state = shadow_vcpu->vcpu.arch.sve_state;
+
+	hyp_unpin_shared_mem(host_vcpu, host_vcpu + 1);
+
+	if (!sve_state)
+		return;
+
+	sve_state = kern_hyp_va(sve_state);
+	sve_state_size = vcpu_sve_state_size(&shadow_vcpu->vcpu);
+	hyp_unpin_shared_mem(sve_state, sve_state + sve_state_size);
+}
+
+static void unpin_host_vcpus(struct shadow_vcpu_state *shadow_vcpus[], int nr_vcpus)
+{
+	int i;
+
+	for (i = 0; i < nr_vcpus; i++)
+		unpin_host_vcpu(shadow_vcpus[i]);
+}
+
+static int init_ptrauth(struct kvm_vcpu *shadow_vcpu)
+{
+	int ret = 0;
+	if (test_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, shadow_vcpu->arch.features) ||
+	    test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, shadow_vcpu->arch.features))
+		ret = kvm_vcpu_enable_ptrauth(shadow_vcpu);
+	return ret;
+}
+
+static void init_shadow_vm(struct kvm *kvm, struct kvm_shadow_vm *vm,
+			   int nr_vcpus)
+{
+	vm->host_kvm = kvm;
+	vm->created_vcpus = nr_vcpus;
+	vm->arch.pkvm.pvmfw_load_addr = kvm->arch.pkvm.pvmfw_load_addr;
+	vm->arch.pkvm.enabled = READ_ONCE(kvm->arch.pkvm.enabled);
+}
+
+static int init_shadow_vcpu(struct shadow_vcpu_state *shadow_state,
+			    struct kvm_vcpu *host_vcpu,
+			    struct kvm_shadow_vm *vm, int vcpu_idx)
+{
+	struct kvm_vcpu *shadow_vcpu = &shadow_state->vcpu;
+	int ret;
+
+	host_vcpu = kern_hyp_va(host_vcpu);
+	if (hyp_pin_shared_mem(host_vcpu, host_vcpu + 1))
+		return -EBUSY;
+
+	if (host_vcpu->vcpu_idx != vcpu_idx) {
+		ret = -EINVAL;
+		goto done;
+	}
+
+	shadow_vcpu->arch.pkvm.host_vcpu = host_vcpu;
+	shadow_vcpu->kvm = vm->host_kvm;
+	shadow_vcpu->vcpu_id = host_vcpu->vcpu_id;
+	shadow_vcpu->vcpu_idx = vcpu_idx;
+
+	ret = copy_features(shadow_vcpu, host_vcpu);
+	if (ret)
+		goto done;
+
+	ret = init_ptrauth(shadow_vcpu);
+	if (ret)
+		goto done;
+
+	if (test_bit(KVM_ARM_VCPU_SVE, shadow_vcpu->arch.features)) {
+		size_t sve_state_size;
+		void *sve_state;
+
+		shadow_vcpu->arch.sve_state =
+			READ_ONCE(host_vcpu->arch.sve_state);
+		shadow_vcpu->arch.sve_max_vl =
+			READ_ONCE(host_vcpu->arch.sve_max_vl);
+
+		sve_state = kern_hyp_va(shadow_vcpu->arch.sve_state);
+		sve_state_size = vcpu_sve_state_size(shadow_vcpu);
+
+		if (!shadow_vcpu->arch.sve_state || !sve_state_size ||
+		    hyp_pin_shared_mem(sve_state, sve_state + sve_state_size)) {
+			clear_bit(KVM_ARM_VCPU_SVE, shadow_vcpu->arch.features);
+			shadow_vcpu->arch.sve_state = NULL;
+			shadow_vcpu->arch.sve_max_vl = 0;
+			ret = -EINVAL;
+			goto done;
+		}
+	}
+
+	if (vm->arch.pkvm.enabled)
+		pkvm_vcpu_init_traps(shadow_vcpu);
+	kvm_reset_pvm_sys_regs(shadow_vcpu);
+
+	vm->vcpus[vcpu_idx] = shadow_vcpu;
+	shadow_state->vm = vm;
+
+	shadow_vcpu->arch.hw_mmu = &vm->arch.mmu;
+	shadow_vcpu->arch.pkvm.shadow_vm = vm;
+	shadow_vcpu->arch.power_off = true;
+
+	if (test_bit(KVM_ARM_VCPU_POWER_OFF, shadow_vcpu->arch.features)) {
+		shadow_vcpu->arch.pkvm.power_state =
+			PSCI_0_2_AFFINITY_LEVEL_OFF;
+	} else if (pvm_has_pvmfw(vm)) {
+		if (vm->pvmfw_entry_vcpu) {
+			ret = -EINVAL;
+			goto done;
+		}
+
+		vm->pvmfw_entry_vcpu = shadow_vcpu;
+		shadow_vcpu->arch.reset_state.reset = true;
+		shadow_vcpu->arch.pkvm.power_state =
+			PSCI_0_2_AFFINITY_LEVEL_ON_PENDING;
+	} else {
+		struct vcpu_reset_state *reset_state =
+			&shadow_vcpu->arch.reset_state;
+
+		reset_state->pc = *vcpu_pc(host_vcpu);
+		reset_state->r0 = vcpu_get_reg(host_vcpu, 0);
+		reset_state->reset = true;
+		shadow_vcpu->arch.pkvm.power_state =
+			PSCI_0_2_AFFINITY_LEVEL_ON_PENDING;
+	}
+
+done:
+	if (ret)
+		unpin_host_vcpu(shadow_state);
+
+	return ret;
+}
+
+static bool __exists_shadow(struct kvm *host_kvm)
+{
+	int i;
+	int num_checked = 0;
+
+	for (i = 0; i < KVM_MAX_PVMS && num_checked < num_shadow_entries; i++) {
+		if (!shadow_table[i])
+			continue;
+
+		if (unlikely(shadow_table[i]->host_kvm == host_kvm))
+			return true;
+
+		num_checked++;
+	}
+
+	return false;
+}
+
+/*
+ * Allocate a shadow table entry and insert a pointer to the shadow vm.
+ *
+ * Return a unique handle to the protected VM on success,
+ * negative error code on failure.
+ */
+static int insert_shadow_table(struct kvm *kvm, struct kvm_shadow_vm *vm,
+			       size_t shadow_size)
+{
+	struct kvm_s2_mmu *mmu = &vm->arch.mmu;
+	int shadow_handle;
+	int vmid;
+
+	hyp_assert_lock_held(&shadow_lock);
+
+	if (unlikely(num_shadow_entries >= KVM_MAX_PVMS))
+		return -ENOMEM;
+
+	/*
+	 * Initializing protected state might have failed, yet a malicious host
+	 * could trigger this function. Thus, ensure that shadow_table exists.
+	 */
+	if (unlikely(!shadow_table))
+		return -EINVAL;
+
+	/* Check that a shadow hasn't been created before for this host KVM. */
+	if (unlikely(__exists_shadow(kvm)))
+		return -EEXIST;
+
+	/* Find the next free entry in the shadow table. */
+	while (shadow_table[next_shadow_alloc])
+		next_shadow_alloc = (next_shadow_alloc + 1) % KVM_MAX_PVMS;
+	shadow_handle = index_to_shadow_handle(next_shadow_alloc);
+
+	vm->shadow_handle = shadow_handle;
+	vm->shadow_area_size = shadow_size;
+
+	/* VMID 0 is reserved for the host */
+	vmid = next_shadow_alloc + 1;
+	if (vmid > 0xff)
+		return -ENOMEM;
+
+	mmu->vmid.vmid = vmid;
+	mmu->vmid.vmid_gen = 0;
+	mmu->arch = &vm->arch;
+	mmu->pgt = &vm->pgt;
+
+	shadow_table[next_shadow_alloc] = vm;
+	next_shadow_alloc = (next_shadow_alloc + 1) % KVM_MAX_PVMS;
+	num_shadow_entries++;
+
+	return shadow_handle;
+}
+
+/*
+ * Deallocate and remove the shadow table entry corresponding to the handle.
+ */
+static void remove_shadow_table(int shadow_handle)
+{
+	hyp_assert_lock_held(&shadow_lock);
+	shadow_table[shadow_handle_to_index(shadow_handle)] = NULL;
+	num_shadow_entries--;
+}
+
+static size_t pkvm_get_shadow_size(int num_vcpus)
+{
+	/* Shadow space for the vm struct and all of its vcpu states. */
+	return sizeof(struct kvm_shadow_vm) +
+	       sizeof(struct shadow_vcpu_state *) * num_vcpus;
+}
+
+/*
+ * Check whether the size of the area donated by the host is sufficient for
+ * the shadow structues required for nr_vcpus as well as the shadow vm.
+ */
+static int check_shadow_size(int nr_vcpus, size_t shadow_size)
+{
+	if (nr_vcpus < 1 || nr_vcpus > KVM_MAX_VCPUS)
+		return -EINVAL;
+
+	/*
+	 * Shadow size is rounded up when allocated and donated by the host,
+	 * so it's likely to be larger than the sum of the struct sizes.
+	 */
+	if (shadow_size < pkvm_get_shadow_size(nr_vcpus))
+		return -EINVAL;
+
+	return 0;
+}
+
+static void drain_shadow_vcpus(struct shadow_vcpu_state *shadow_vcpus[],
+			       unsigned int nr_vcpus,
+			       struct kvm_hyp_memcache *mc)
+{
+	int i;
+
+	for (i = 0; i < nr_vcpus; i++) {
+		struct kvm_vcpu *shadow_vcpu = &shadow_vcpus[i]->vcpu;
+		struct kvm_hyp_memcache *vcpu_mc = &shadow_vcpu->arch.pkvm_memcache;
+		void *addr;
+
+		while (vcpu_mc->nr_pages) {
+			addr = pop_hyp_memcache(vcpu_mc, hyp_phys_to_virt);
+			push_hyp_memcache(mc, addr, hyp_virt_to_phys);
+			WARN_ON(__pkvm_hyp_donate_host(hyp_virt_to_pfn(addr), 1));
+		}
+	}
+}
+
+/*
+ * Initialize the shadow copy of the protected VM state using the memory
+ * donated by the host.
+ *
+ * Unmaps the donated memory from the host at stage 2.
+ *
+ * kvm: A pointer to the host's struct kvm (host va).
+ * shadow_va: The host va of the area being donated for the shadow state.
+ * 	      Must be page aligned.
+ * shadow_size: The size of the area being donated for the shadow state.
+ * 		Must be a multiple of the page size.
+ * pgd: The host va of the area being donated for the stage-2 PGD for the VM.
+ * 	Must be page aligned. Its size is implied by the VM's VTCR.
+ *
+ * Return a unique handle to the protected VM on success,
+ * negative error code on failure.
+ */
+int __pkvm_init_shadow(struct kvm *kvm,
+		       void *shadow_va,
+		       size_t shadow_size,
+		       void *pgd)
+{
+	struct kvm_shadow_vm *vm = kern_hyp_va(shadow_va);
+	phys_addr_t shadow_pa = hyp_virt_to_phys(vm);
+	u64 pfn = hyp_phys_to_pfn(shadow_pa);
+	u64 nr_shadow_pages = shadow_size >> PAGE_SHIFT;
+	u64 nr_pgd_pages;
+	size_t pgd_size;
+	int nr_vcpus = 0;
+	int ret = 0;
+
+	/* Check that the donated memory is aligned to page boundaries. */
+	if (!PAGE_ALIGNED(shadow_va) ||
+	    !PAGE_ALIGNED(shadow_size) ||
+	    !PAGE_ALIGNED(pgd))
+		return -EINVAL;
+
+	kvm = kern_hyp_va(kvm);
+	pgd = kern_hyp_va(pgd);
+
+	ret = hyp_pin_shared_mem(kvm, kvm + 1);
+	if (ret)
+		return ret;
+
+	/* Ensure the host has donated enough memory for the shadow structs. */
+	nr_vcpus = kvm->created_vcpus;
+	ret = check_shadow_size(nr_vcpus, shadow_size);
+	if (ret)
+		goto err;
+
+	ret = __pkvm_host_donate_hyp(pfn, nr_shadow_pages);
+	if (ret)
+		goto err;
+
+	/* Ensure we're working with a clean slate. */
+	memset(vm, 0, shadow_size);
+
+	vm->arch.vtcr = host_kvm.arch.vtcr;
+	pgd_size = kvm_pgtable_stage2_pgd_size(host_kvm.arch.vtcr);
+	nr_pgd_pages = pgd_size >> PAGE_SHIFT;
+	ret = __pkvm_host_donate_hyp(hyp_virt_to_pfn(pgd), nr_pgd_pages);
+	if (ret)
+		goto err_remove_mappings;
+
+	init_shadow_vm(kvm, vm, nr_vcpus);
+
+	/* Add the entry to the shadow table. */
+	hyp_spin_lock(&shadow_lock);
+	ret = insert_shadow_table(kvm, vm, shadow_size);
+	if (ret < 0)
+		goto err_unlock;
+
+	ret = kvm_guest_prepare_stage2(vm, pgd);
+	if (ret)
+		goto err_remove_shadow_table;
+
+	hyp_spin_unlock(&shadow_lock);
+	return vm->shadow_handle;
+
+err_remove_shadow_table:
+	remove_shadow_table(vm->shadow_handle);
+err_unlock:
+	hyp_spin_unlock(&shadow_lock);
+	WARN_ON(__pkvm_hyp_donate_host(hyp_virt_to_pfn(pgd), nr_pgd_pages));
+err_remove_mappings:
+	/* Clear the donated shadow memory on failure to avoid data leaks. */
+	memset(vm, 0, shadow_size);
+	WARN_ON(__pkvm_hyp_donate_host(hyp_phys_to_pfn(shadow_pa),
+				       shadow_size >> PAGE_SHIFT));
+err:
+	hyp_unpin_shared_mem(kvm, kvm + 1);
+	return ret;
+}
+
+/*
+ * Initialize the protected vcpu state shadow copy in host-donated memory.
+ *
+ * shadow_handle: The handle for the protected vm.
+ * host_vcpu: A pointer to the corresponding host vcpu (host va).
+ * shadow_vcpu_hva: The host va of the area being donated for the vcpu state.
+ *                 Must be page aligned. The size of the area must be equal to
+ *                 the paged-aligned size of kvm_shadow_vcpu_state.
+ *
+ * Return 0 on success, negative error code on failure.
+ */
+int __pkvm_init_shadow_vcpu(unsigned int shadow_handle,
+			    struct kvm_vcpu *host_vcpu,
+			    void *shadow_vcpu_hva)
+{
+	struct kvm_shadow_vm *vm;
+	struct shadow_vcpu_state *shadow_state = kern_hyp_va(shadow_vcpu_hva);
+	size_t vcpu_state_sz = sizeof(*shadow_state);
+	u64 nr_pages = PAGE_ALIGN(vcpu_state_sz) >> PAGE_SHIFT;
+	unsigned int idx;
+	int ret;
+
+	if (!PAGE_ALIGNED(shadow_vcpu_hva))
+		return -EINVAL;
+
+	ret = __pkvm_host_donate_hyp(hyp_virt_to_pfn(shadow_state),
+				     nr_pages);
+	if (ret)
+		return ret;
+
+	memset(shadow_state, 0, vcpu_state_sz);
+
+	hyp_spin_lock(&shadow_lock);
+
+	vm = find_shadow_by_handle(shadow_handle);
+	if (!vm) {
+		ret = -ENOENT;
+		goto unlock;
+	}
+
+	idx = vm->nr_vcpus;
+	if (idx >= vm->created_vcpus) {
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	ret = init_shadow_vcpu(shadow_state, host_vcpu, vm, idx);
+	if (ret)
+		goto unlock;
+
+	vm->shadow_vcpus[idx] = shadow_state;
+	vm->nr_vcpus++;
+unlock:
+	hyp_spin_unlock(&shadow_lock);
+
+	if (ret) {
+		memset(shadow_state, 0, vcpu_state_sz);
+		WARN_ON(__pkvm_hyp_donate_host(hyp_virt_to_pfn(shadow_state),
+					       nr_pages));
+	}
+
+	return ret;
+}
+
+static void teardown_donated_memory(struct kvm_hyp_memcache *mc, void *addr,
+				    size_t size)
+{
+	u64 pfn = hyp_phys_to_pfn(__hyp_pa(addr));
+	u64 nr_pages = size >> PAGE_SHIFT;
+	void *start;
+
+	memset(addr, 0, size);
+	kvm_flush_dcache_to_poc(addr, size);
+
+	for (start = addr; start < addr + size; start += PAGE_SIZE)
+		push_hyp_memcache(mc, start, hyp_virt_to_phys);
+
+	WARN_ON(__pkvm_hyp_donate_host(pfn, nr_pages));
+}
+
+int __pkvm_teardown_shadow(int shadow_handle)
+{
+	struct kvm_hyp_memcache *mc;
+	struct kvm_shadow_vm *vm;
+	struct kvm *host_kvm;
+	unsigned int nr_vcpus;
+	int err;
+	int i;
+
+	/* Lookup then remove entry from the shadow table. */
+	hyp_spin_lock(&shadow_lock);
+	vm = find_shadow_by_handle(shadow_handle);
+	if (!vm) {
+		err = -ENOENT;
+		goto err_unlock;
+	}
+
+	if (WARN_ON(hyp_page_count(vm))) {
+		err = -EBUSY;
+		goto err_unlock;
+	}
+
+	host_kvm = vm->host_kvm;
+	nr_vcpus = vm->nr_vcpus;
+
+	/*
+	 * Clear the tracking for last_loaded_vcpu for all cpus for this vm in
+	 * case the same addresses for those vcpus are reused for future vms.
+	 */
+	for (i = 0; i < hyp_nr_cpus; i++) {
+		struct kvm_vcpu **last_loaded_vcpu_ptr =
+			per_cpu_ptr(&last_loaded_vcpu, i);
+		struct kvm_vcpu *vcpu = *last_loaded_vcpu_ptr;
+
+		if (vcpu && vcpu->arch.pkvm.shadow_vm == vm)
+			*last_loaded_vcpu_ptr = NULL;
+	}
+
+	/* Ensure the VMID is clean before it can be reallocated */
+	__kvm_tlb_flush_vmid(&vm->arch.mmu);
+	remove_shadow_table(shadow_handle);
+	hyp_spin_unlock(&shadow_lock);
+
+	/* Reclaim guest pages, and page-table pages */
+	mc = &host_kvm->arch.pkvm.teardown_mc;
+	reclaim_guest_pages(vm, mc);
+	drain_shadow_vcpus(vm->shadow_vcpus, nr_vcpus, mc);
+	unpin_host_vcpus(vm->shadow_vcpus, nr_vcpus);
+
+	for (i = 0; i < nr_vcpus; i++)
+		teardown_donated_memory(mc, vm->shadow_vcpus[i],
+					PAGE_ALIGN(sizeof(vm->shadow_vcpus[i])));
+	teardown_donated_memory(mc, vm, vm->shadow_area_size);
+
+	hyp_unpin_shared_mem(host_kvm, host_kvm + 1);
+	return 0;
+
+err_unlock:
+	hyp_spin_unlock(&shadow_lock);
+	return err;
+}
+
+int pkvm_load_pvmfw_pages(struct kvm_shadow_vm *vm, u64 ipa, phys_addr_t phys,
+			  u64 size)
+{
+	struct kvm_protected_vm *pkvm = &vm->arch.pkvm;
+	u64 npages, offset = ipa - pkvm->pvmfw_load_addr;
+	void *src = hyp_phys_to_virt(pvmfw_base) + offset;
+
+	if (offset >= pvmfw_size)
+		return -EINVAL;
+
+	size = min(size, pvmfw_size - offset);
+	if (!PAGE_ALIGNED(size) || !PAGE_ALIGNED(src))
+		return -EINVAL;
+
+	npages = size >> PAGE_SHIFT;
+	while (npages--) {
+		void *dst;
+
+		dst = hyp_fixmap_map(phys);
+		if (!dst)
+			return -EINVAL;
+
+		/*
+		 * No need for cache maintenance here, as the pgtable code will
+		 * take care of this when installing the pte in the guest's
+		 * stage-2 page table.
+		 */
+		memcpy(dst, src, PAGE_SIZE);
+
+		hyp_fixmap_unmap();
+		src += PAGE_SIZE;
+		phys += PAGE_SIZE;
+	}
+
+	return 0;
+}
+
+void pkvm_clear_pvmfw_pages(void)
+{
+	void *addr = hyp_phys_to_virt(pvmfw_base);
+
+	memset(addr, 0, pvmfw_size);
+	kvm_flush_dcache_to_poc(addr, pvmfw_size);
+}
+
+/*
+ * This function sets the registers on the vcpu to their architecturally defined
+ * reset values.
+ *
+ * Note: Can only be called by the vcpu on itself, after it has been turned on.
+ */
+void pkvm_reset_vcpu(struct kvm_vcpu *vcpu)
+{
+	struct vcpu_reset_state *reset_state = &vcpu->arch.reset_state;
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+
+	WARN_ON(!reset_state->reset);
+
+	init_ptrauth(vcpu);
+
+	/* Reset core registers */
+	memset(vcpu_gp_regs(vcpu), 0, sizeof(*vcpu_gp_regs(vcpu)));
+	memset(&vcpu->arch.ctxt.fp_regs, 0, sizeof(vcpu->arch.ctxt.fp_regs));
+	vcpu_gp_regs(vcpu)->pstate = VCPU_RESET_PSTATE_EL1;
+
+	/* Reset system registers */
+	kvm_reset_pvm_sys_regs(vcpu);
+
+	/* Propagate initiator's endianness, after kvm_reset_pvm_sys_regs. */
+	if (reset_state->be)
+		kvm_vcpu_set_be(vcpu);
+
+	if (vm->pvmfw_entry_vcpu == vcpu) {
+		struct kvm_vcpu *host_vcpu = vcpu->arch.pkvm.host_vcpu;
+		u64 entry = vm->arch.pkvm.pvmfw_load_addr;
+		int i;
+
+		/* X0 - X14 provided by the VMM (preserved) */
+		for (i = 0; i <= 14; ++i)
+			vcpu_set_reg(vcpu, i, vcpu_get_reg(host_vcpu, i));
+
+		/* X15: Boot protocol version */
+		vcpu_set_reg(vcpu, 15, 0);
+
+		/* PC: IPA of pvmfw base */
+		*vcpu_pc(vcpu) = entry;
+
+		vm->pvmfw_entry_vcpu = NULL;
+
+		/* Auto enroll MMIO guard */
+		set_bit(KVM_ARCH_FLAG_MMIO_GUARD,
+			&vcpu->arch.pkvm.shadow_vm->arch.flags);
+	} else {
+		*vcpu_pc(vcpu) = reset_state->pc;
+		vcpu_set_reg(vcpu, 0, reset_state->r0);
+	}
+
+	reset_state->reset = false;
+
+	vcpu->arch.pkvm.exit_code = 0;
+
+	WARN_ON(vcpu->arch.pkvm.power_state != PSCI_0_2_AFFINITY_LEVEL_ON_PENDING);
+	WRITE_ONCE(vcpu->arch.power_off, false);
+	WRITE_ONCE(vcpu->arch.pkvm.power_state, PSCI_0_2_AFFINITY_LEVEL_ON);
+}
+
+struct kvm_vcpu *pvm_mpidr_to_vcpu(struct kvm_shadow_vm *vm, unsigned long mpidr)
+{
+	struct kvm_vcpu *vcpu;
+	int i;
+
+	mpidr &= MPIDR_HWID_BITMASK;
+
+	for (i = 0; i < READ_ONCE(vm->nr_vcpus); i++) {
+		vcpu = vm->vcpus[i];
+
+		if (mpidr == kvm_vcpu_get_mpidr_aff(vcpu))
+			return vcpu;
+	}
+
+	return NULL;
+}
+
+/*
+ * Returns true if the hypervisor handled PSCI call, and control should go back
+ * to the guest, or false if the host needs to do some additional work (i.e.,
+ * wake up the vcpu).
+ */
+static bool pvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
+{
+	struct kvm_shadow_vm *vm = source_vcpu->arch.pkvm.shadow_vm;
+	struct kvm_vcpu *vcpu;
+	struct vcpu_reset_state *reset_state;
+	unsigned long cpu_id;
+	unsigned long hvc_ret_val;
+	int power_state;
+
+	cpu_id = smccc_get_arg1(source_vcpu);
+	if (!kvm_psci_valid_affinity(source_vcpu, cpu_id)) {
+		hvc_ret_val = PSCI_RET_INVALID_PARAMS;
+		goto error;
+	}
+
+	vcpu = pvm_mpidr_to_vcpu(vm, cpu_id);
+
+	/* Make sure the caller requested a valid vcpu. */
+	if (!vcpu) {
+		hvc_ret_val = PSCI_RET_INVALID_PARAMS;
+		goto error;
+	}
+
+	/*
+	 * Make sure the requested vcpu is not on to begin with.
+	 * Atomic to avoid race between vcpus trying to power on the same vcpu.
+	 */
+	power_state = cmpxchg(&vcpu->arch.pkvm.power_state,
+		PSCI_0_2_AFFINITY_LEVEL_OFF,
+		PSCI_0_2_AFFINITY_LEVEL_ON_PENDING);
+	switch (power_state) {
+	case PSCI_0_2_AFFINITY_LEVEL_ON_PENDING:
+		hvc_ret_val = PSCI_RET_ON_PENDING;
+		goto error;
+	case PSCI_0_2_AFFINITY_LEVEL_ON:
+		hvc_ret_val = PSCI_RET_ALREADY_ON;
+		goto error;
+	case PSCI_0_2_AFFINITY_LEVEL_OFF:
+		break;
+	default:
+		hvc_ret_val = PSCI_RET_INTERNAL_FAILURE;
+		goto error;
+	}
+
+	reset_state = &vcpu->arch.reset_state;
+
+	reset_state->pc = smccc_get_arg2(source_vcpu);
+	reset_state->r0 = smccc_get_arg3(source_vcpu);
+
+	/* Propagate caller endianness */
+	reset_state->be = kvm_vcpu_is_be(source_vcpu);
+
+	reset_state->reset = true;
+
+	/*
+	 * Return to the host, which should make the KVM_REQ_VCPU_RESET request
+	 * as well as kvm_vcpu_wake_up() to schedule the vcpu.
+	 */
+	return false;
+
+error:
+	/* If there's an error go back straight to the guest. */
+	smccc_set_retval(source_vcpu, hvc_ret_val, 0, 0, 0);
+	return true;
+}
+
+static bool pvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
+{
+	int i, matching_cpus = 0;
+	unsigned long mpidr;
+	unsigned long target_affinity;
+	unsigned long target_affinity_mask;
+	unsigned long lowest_affinity_level;
+	struct kvm_shadow_vm *vm = vcpu->arch.pkvm.shadow_vm;
+	struct kvm_vcpu *tmp;
+	unsigned long hvc_ret_val;
+
+	target_affinity = smccc_get_arg1(vcpu);
+	lowest_affinity_level = smccc_get_arg2(vcpu);
+
+	if (!kvm_psci_valid_affinity(vcpu, target_affinity)) {
+		hvc_ret_val = PSCI_RET_INVALID_PARAMS;
+		goto done;
+	}
+
+	/* Determine target affinity mask */
+	target_affinity_mask = psci_affinity_mask(lowest_affinity_level);
+	if (!target_affinity_mask) {
+		hvc_ret_val = PSCI_RET_INVALID_PARAMS;
+		goto done;
+	}
+
+	/* Ignore other bits of target affinity */
+	target_affinity &= target_affinity_mask;
+
+	hvc_ret_val = PSCI_0_2_AFFINITY_LEVEL_OFF;
+
+	/*
+	 * If at least one vcpu matching target affinity is ON then return ON,
+	 * then if at least one is PENDING_ON then return PENDING_ON.
+	 * Otherwise, return OFF.
+	 */
+	for (i = 0; i < READ_ONCE(vm->nr_vcpus); i++) {
+		tmp = vm->vcpus[i];
+		mpidr = kvm_vcpu_get_mpidr_aff(tmp);
+
+		if ((mpidr & target_affinity_mask) == target_affinity) {
+			int power_state;
+
+			matching_cpus++;
+			power_state = READ_ONCE(tmp->arch.pkvm.power_state);
+			switch (power_state) {
+			case PSCI_0_2_AFFINITY_LEVEL_ON_PENDING:
+				hvc_ret_val = PSCI_0_2_AFFINITY_LEVEL_ON_PENDING;
+				break;
+			case PSCI_0_2_AFFINITY_LEVEL_ON:
+				hvc_ret_val = PSCI_0_2_AFFINITY_LEVEL_ON;
+				goto done;
+			case PSCI_0_2_AFFINITY_LEVEL_OFF:
+				break;
+			default:
+				hvc_ret_val = PSCI_RET_INTERNAL_FAILURE;
+				goto done;
+			}
+		}
+	}
+
+	if (!matching_cpus)
+		hvc_ret_val = PSCI_RET_INVALID_PARAMS;
+
+done:
+	/* Nothing to be handled by the host. Go back to the guest. */
+	smccc_set_retval(vcpu, hvc_ret_val, 0, 0, 0);
+	return true;
+}
+
+/*
+ * Returns true if the hypervisor has handled the PSCI call, and control should
+ * go back to the guest, or false if the host needs to do some additional work
+ * (e.g., turn off and update vcpu scheduling status).
+ */
+static bool pvm_psci_vcpu_off(struct kvm_vcpu *vcpu)
+{
+	WARN_ON(vcpu->arch.power_off);
+	WARN_ON(vcpu->arch.pkvm.power_state != PSCI_0_2_AFFINITY_LEVEL_ON);
+
+	WRITE_ONCE(vcpu->arch.power_off, true);
+	WRITE_ONCE(vcpu->arch.pkvm.power_state, PSCI_0_2_AFFINITY_LEVEL_OFF);
+
+	/* Return to the host so that it can finish powering off the vcpu. */
+	return false;
+}
+
+static bool pvm_psci_version(struct kvm_vcpu *vcpu)
+{
+	/* Nothing to be handled by the host. Go back to the guest. */
+	smccc_set_retval(vcpu, KVM_ARM_PSCI_1_1, 0, 0, 0);
+	return true;
+}
+
+static bool pvm_psci_not_supported(struct kvm_vcpu *vcpu)
+{
+	/* Nothing to be handled by the host. Go back to the guest. */
+	smccc_set_retval(vcpu, PSCI_RET_NOT_SUPPORTED, 0, 0, 0);
+	return true;
+}
+
+static bool pvm_psci_features(struct kvm_vcpu *vcpu)
+{
+	u32 feature = smccc_get_arg1(vcpu);
+	unsigned long val;
+
+	switch (feature) {
+	case PSCI_0_2_FN_PSCI_VERSION:
+	case PSCI_0_2_FN_CPU_SUSPEND:
+	case PSCI_0_2_FN64_CPU_SUSPEND:
+	case PSCI_0_2_FN_CPU_OFF:
+	case PSCI_0_2_FN_CPU_ON:
+	case PSCI_0_2_FN64_CPU_ON:
+	case PSCI_0_2_FN_AFFINITY_INFO:
+	case PSCI_0_2_FN64_AFFINITY_INFO:
+	case PSCI_0_2_FN_SYSTEM_OFF:
+	case PSCI_0_2_FN_SYSTEM_RESET:
+	case PSCI_1_0_FN_PSCI_FEATURES:
+	case PSCI_1_1_FN_SYSTEM_RESET2:
+	case PSCI_1_1_FN64_SYSTEM_RESET2:
+	case ARM_SMCCC_VERSION_FUNC_ID:
+		val = PSCI_RET_SUCCESS;
+		break;
+	default:
+		val = PSCI_RET_NOT_SUPPORTED;
+		break;
+	}
+
+	/* Nothing to be handled by the host. Go back to the guest. */
+	smccc_set_retval(vcpu, val, 0, 0, 0);
+	return true;
+}
+
+static bool pkvm_handle_psci(struct kvm_vcpu *vcpu)
+{
+	u32 psci_fn = smccc_get_function(vcpu);
+
+	switch (psci_fn) {
+	case PSCI_0_2_FN_CPU_ON:
+		kvm_psci_narrow_to_32bit(vcpu);
+		fallthrough;
+	case PSCI_0_2_FN64_CPU_ON:
+		return pvm_psci_vcpu_on(vcpu);
+	case PSCI_0_2_FN_CPU_OFF:
+		return pvm_psci_vcpu_off(vcpu);
+	case PSCI_0_2_FN_AFFINITY_INFO:
+		kvm_psci_narrow_to_32bit(vcpu);
+		fallthrough;
+	case PSCI_0_2_FN64_AFFINITY_INFO:
+		return pvm_psci_vcpu_affinity_info(vcpu);
+	case PSCI_0_2_FN_PSCI_VERSION:
+		return pvm_psci_version(vcpu);
+	case PSCI_1_0_FN_PSCI_FEATURES:
+		return pvm_psci_features(vcpu);
+	case PSCI_0_2_FN_SYSTEM_RESET:
+	case PSCI_0_2_FN_CPU_SUSPEND:
+	case PSCI_0_2_FN64_CPU_SUSPEND:
+	case PSCI_0_2_FN_SYSTEM_OFF:
+	case PSCI_1_1_FN_SYSTEM_RESET2:
+	case PSCI_1_1_FN64_SYSTEM_RESET2:
+		return false; /* Handled by the host. */
+	default:
+		break;
+	}
+
+	return pvm_psci_not_supported(vcpu);
+}
+
+static u64 __pkvm_memshare_page_req(struct kvm_vcpu *vcpu, u64 ipa)
+{
+	u64 elr;
+
+	/* Fake up a data abort (Level 3 translation fault on write) */
+	vcpu->arch.fault.esr_el2 = (u32)ESR_ELx_EC_DABT_LOW << ESR_ELx_EC_SHIFT |
+				   ESR_ELx_WNR | ESR_ELx_FSC_FAULT |
+				   FIELD_PREP(ESR_ELx_FSC_LEVEL, 3);
+
+	/* Shuffle the IPA around into the HPFAR */
+	vcpu->arch.fault.hpfar_el2 = (ipa >> 8) & HPFAR_MASK;
+
+	/* This is a virtual address. 0's good. Let's go with 0. */
+	vcpu->arch.fault.far_el2 = 0;
+
+	/* Rewind the ELR so we return to the HVC once the IPA is mapped */
+	elr = read_sysreg(elr_el2);
+	elr -=4;
+	write_sysreg(elr, elr_el2);
+
+	return ARM_EXCEPTION_TRAP;
+}
+
+static bool pkvm_memshare_call(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	u64 ipa = smccc_get_arg1(vcpu);
+	u64 arg2 = smccc_get_arg2(vcpu);
+	u64 arg3 = smccc_get_arg3(vcpu);
+	int err;
+
+	if (arg2 || arg3)
+		goto out_guest_err;
+
+	err = __pkvm_guest_share_host(vcpu, ipa);
+	switch (err) {
+	case 0:
+		/* Success! Now tell the host. */
+		goto out_host;
+	case -EFAULT:
+		/*
+		 * Convert the exception into a data abort so that the page
+		 * being shared is mapped into the guest next time.
+		 */
+		*exit_code = __pkvm_memshare_page_req(vcpu, ipa);
+		goto out_host;
+	}
+
+out_guest_err:
+	smccc_set_retval(vcpu, SMCCC_RET_INVALID_PARAMETER, 0, 0, 0);
+	return true;
+
+out_host:
+	return false;
+}
+
+static bool pkvm_memunshare_call(struct kvm_vcpu *vcpu)
+{
+	u64 ipa = smccc_get_arg1(vcpu);
+	u64 arg2 = smccc_get_arg2(vcpu);
+	u64 arg3 = smccc_get_arg3(vcpu);
+	int err;
+
+	if (arg2 || arg3)
+		goto out_guest_err;
+
+	err = __pkvm_guest_unshare_host(vcpu, ipa);
+	if (err)
+		goto out_guest_err;
+
+	return false;
+
+out_guest_err:
+	smccc_set_retval(vcpu, SMCCC_RET_INVALID_PARAMETER, 0, 0, 0);
+	return true;
+}
+
+static bool pkvm_install_ioguard_page(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	u64 retval = SMCCC_RET_SUCCESS;
+	u64 ipa = smccc_get_arg1(vcpu);
+	int ret;
+
+	ret = __pkvm_install_ioguard_page(vcpu, ipa);
+	if (ret == -ENOMEM) {
+		/*
+		 * We ran out of memcache, let's ask for more. Cancel
+		 * the effects of the HVC that took us here, and
+		 * forward the hypercall to the host for page donation
+		 * purposes.
+		 */
+		write_sysreg_el2(read_sysreg_el2(SYS_ELR) - 4, SYS_ELR);
+		return false;
+	}
+
+	if (ret)
+		retval = SMCCC_RET_INVALID_PARAMETER;
+
+	smccc_set_retval(vcpu, retval, 0, 0, 0);
+	return true;
+}
+
+bool smccc_trng_available;
+
+static bool pkvm_forward_trng(struct kvm_vcpu *vcpu)
+{
+	u32 fn = smccc_get_function(vcpu);
+	struct arm_smccc_res res;
+	unsigned long arg1 = 0;
+
+	/*
+	 * Forward TRNG calls to EL3, as we can't trust the host to handle
+	 * these for us.
+	 */
+	switch (fn) {
+	case ARM_SMCCC_TRNG_FEATURES:
+	case ARM_SMCCC_TRNG_RND32:
+	case ARM_SMCCC_TRNG_RND64:
+		arg1 = smccc_get_arg1(vcpu);
+		fallthrough;
+	case ARM_SMCCC_TRNG_VERSION:
+	case ARM_SMCCC_TRNG_GET_UUID:
+		arm_smccc_1_1_smc(fn, arg1, &res);
+		smccc_set_retval(vcpu, res.a0, res.a1, res.a2, res.a3);
+		memzero_explicit(&res, sizeof(res));
+		break;
+	}
+
+	return true;
+}
+
+/*
+ * Handler for protected VM HVC calls.
+ *
+ * Returns true if the hypervisor has handled the exit, and control should go
+ * back to the guest, or false if it hasn't.
+ */
+bool kvm_handle_pvm_hvc64(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	u32 fn = smccc_get_function(vcpu);
+	u64 val[4] = { SMCCC_RET_NOT_SUPPORTED };
+
+	switch (fn) {
+	case ARM_SMCCC_VERSION_FUNC_ID:
+		/* Nothing to be handled by the host. Go back to the guest. */
+		val[0] = ARM_SMCCC_VERSION_1_1;
+		break;
+	case ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID:
+		val[0] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_0;
+		val[1] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_1;
+		val[2] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_2;
+		val[3] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_3;
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_FEATURES_FUNC_ID:
+		val[0] = BIT(ARM_SMCCC_KVM_FUNC_FEATURES);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_HYP_MEMINFO);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_MEM_SHARE);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_MEM_UNSHARE);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_INFO);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_ENROLL);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_MAP);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_UNMAP);
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_ENROLL_FUNC_ID:
+		set_bit(KVM_ARCH_FLAG_MMIO_GUARD, &vcpu->arch.pkvm.shadow_vm->arch.flags);
+		val[0] = SMCCC_RET_SUCCESS;
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_MAP_FUNC_ID:
+		return pkvm_install_ioguard_page(vcpu, exit_code);
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_UNMAP_FUNC_ID:
+		if (__pkvm_remove_ioguard_page(vcpu, vcpu_get_reg(vcpu, 1)))
+			val[0] = SMCCC_RET_INVALID_PARAMETER;
+		else
+			val[0] = SMCCC_RET_SUCCESS;
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_INFO_FUNC_ID:
+	case ARM_SMCCC_VENDOR_HYP_KVM_HYP_MEMINFO_FUNC_ID:
+		if (smccc_get_arg1(vcpu) ||
+		    smccc_get_arg2(vcpu) ||
+		    smccc_get_arg3(vcpu)) {
+			val[0] = SMCCC_RET_INVALID_PARAMETER;
+		} else {
+			val[0] = PAGE_SIZE;
+		}
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_SHARE_FUNC_ID:
+		return pkvm_memshare_call(vcpu, exit_code);
+	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_UNSHARE_FUNC_ID:
+		return pkvm_memunshare_call(vcpu);
+	case ARM_SMCCC_TRNG_VERSION ... ARM_SMCCC_TRNG_RND32:
+	case ARM_SMCCC_TRNG_RND64:
+		if (smccc_trng_available)
+			return pkvm_forward_trng(vcpu);
+		break;
+	default:
+		return pkvm_handle_psci(vcpu);
+	}
+
+	smccc_set_retval(vcpu, val[0], val[1], val[2], val[3]);
+	return true;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
new file mode 100644
index 0000000..81aa189
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
@@ -0,0 +1,351 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <linux/arm-smccc.h>
+#include <linux/kvm_host.h>
+#include <uapi/linux/psci.h>
+
+#include <nvhe/memory.h>
+#include <nvhe/pkvm.h>
+#include <nvhe/trap_handler.h>
+
+void kvm_hyp_cpu_entry(unsigned long r0);
+void kvm_hyp_cpu_resume(unsigned long r0);
+
+void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt);
+
+/* Config options set by the host. */
+struct kvm_host_psci_config __ro_after_init kvm_host_psci_config;
+
+#define INVALID_CPU_ID	UINT_MAX
+
+struct psci_boot_args {
+	atomic_t lock;
+	unsigned long pc;
+	unsigned long r0;
+};
+
+#define PSCI_BOOT_ARGS_UNLOCKED		0
+#define PSCI_BOOT_ARGS_LOCKED		1
+
+#define PSCI_BOOT_ARGS_INIT					\
+	((struct psci_boot_args){				\
+		.lock = ATOMIC_INIT(PSCI_BOOT_ARGS_UNLOCKED),	\
+	})
+
+static DEFINE_PER_CPU(struct psci_boot_args, cpu_on_args) = PSCI_BOOT_ARGS_INIT;
+static DEFINE_PER_CPU(struct psci_boot_args, suspend_args) = PSCI_BOOT_ARGS_INIT;
+
+#define	is_psci_0_1(what, func_id)					\
+	(kvm_host_psci_config.psci_0_1_ ## what ## _implemented &&	\
+	 (func_id) == kvm_host_psci_config.function_ids_0_1.what)
+
+static bool is_psci_0_1_call(u64 func_id)
+{
+	return (is_psci_0_1(cpu_suspend, func_id) ||
+		is_psci_0_1(cpu_on, func_id) ||
+		is_psci_0_1(cpu_off, func_id) ||
+		is_psci_0_1(migrate, func_id));
+}
+
+static bool is_psci_0_2_call(u64 func_id)
+{
+	/* SMCCC reserves IDs 0x00-1F with the given 32/64-bit base for PSCI. */
+	return (PSCI_0_2_FN(0) <= func_id && func_id <= PSCI_0_2_FN(31)) ||
+	       (PSCI_0_2_FN64(0) <= func_id && func_id <= PSCI_0_2_FN64(31));
+}
+
+static unsigned long psci_call(unsigned long fn, unsigned long arg0,
+			       unsigned long arg1, unsigned long arg2)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_1_1_smc(fn, arg0, arg1, arg2, &res);
+	return res.a0;
+}
+
+static unsigned long psci_forward(struct kvm_cpu_context *host_ctxt)
+{
+	return psci_call(cpu_reg(host_ctxt, 0), cpu_reg(host_ctxt, 1),
+			 cpu_reg(host_ctxt, 2), cpu_reg(host_ctxt, 3));
+}
+
+static unsigned int find_cpu_id(u64 mpidr)
+{
+	unsigned int i;
+
+	/* Reject invalid MPIDRs */
+	if (mpidr & ~MPIDR_HWID_BITMASK)
+		return INVALID_CPU_ID;
+
+	for (i = 0; i < NR_CPUS; i++) {
+		if (cpu_logical_map(i) == mpidr)
+			return i;
+	}
+
+	return INVALID_CPU_ID;
+}
+
+static __always_inline bool try_acquire_boot_args(struct psci_boot_args *args)
+{
+	return atomic_cmpxchg_acquire(&args->lock,
+				      PSCI_BOOT_ARGS_UNLOCKED,
+				      PSCI_BOOT_ARGS_LOCKED) ==
+		PSCI_BOOT_ARGS_UNLOCKED;
+}
+
+static __always_inline void release_boot_args(struct psci_boot_args *args)
+{
+	atomic_set_release(&args->lock, PSCI_BOOT_ARGS_UNLOCKED);
+}
+
+static int psci_cpu_on(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, mpidr, host_ctxt, 1);
+	DECLARE_REG(unsigned long, pc, host_ctxt, 2);
+	DECLARE_REG(unsigned long, r0, host_ctxt, 3);
+
+	unsigned int cpu_id;
+	struct psci_boot_args *boot_args;
+	struct kvm_nvhe_init_params *init_params;
+	int ret;
+
+	/*
+	 * Find the logical CPU ID for the given MPIDR. The search set is
+	 * the set of CPUs that were online at the point of KVM initialization.
+	 * Booting other CPUs is rejected because their cpufeatures were not
+	 * checked against the finalized capabilities. This could be relaxed
+	 * by doing the feature checks in hyp.
+	 */
+	cpu_id = find_cpu_id(mpidr);
+	if (cpu_id == INVALID_CPU_ID)
+		return PSCI_RET_INVALID_PARAMS;
+
+	boot_args = per_cpu_ptr(&cpu_on_args, cpu_id);
+	init_params = per_cpu_ptr(&kvm_init_params, cpu_id);
+
+	/* Check if the target CPU is already being booted. */
+	if (!try_acquire_boot_args(boot_args))
+		return PSCI_RET_ALREADY_ON;
+
+	boot_args->pc = pc;
+	boot_args->r0 = r0;
+	wmb();
+
+	ret = psci_call(func_id, mpidr,
+			__hyp_pa(&kvm_hyp_cpu_entry),
+			__hyp_pa(init_params));
+
+	/* If successful, the lock will be released by the target CPU. */
+	if (ret != PSCI_RET_SUCCESS)
+		release_boot_args(boot_args);
+
+	return ret;
+}
+
+static int psci_cpu_suspend(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, power_state, host_ctxt, 1);
+	DECLARE_REG(unsigned long, pc, host_ctxt, 2);
+	DECLARE_REG(unsigned long, r0, host_ctxt, 3);
+
+	struct psci_boot_args *boot_args;
+	struct kvm_nvhe_init_params *init_params;
+
+	boot_args = this_cpu_ptr(&suspend_args);
+	init_params = this_cpu_ptr(&kvm_init_params);
+
+	/*
+	 * No need to acquire a lock before writing to boot_args because a core
+	 * can only suspend itself. Racy CPU_ON calls use a separate struct.
+	 */
+	boot_args->pc = pc;
+	boot_args->r0 = r0;
+
+	/*
+	 * Will either return if shallow sleep state, or wake up into the entry
+	 * point if it is a deep sleep state.
+	 */
+	return psci_call(func_id, power_state,
+			 __hyp_pa(&kvm_hyp_cpu_resume),
+			 __hyp_pa(init_params));
+}
+
+static int psci_system_suspend(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(unsigned long, pc, host_ctxt, 1);
+	DECLARE_REG(unsigned long, r0, host_ctxt, 2);
+
+	struct psci_boot_args *boot_args;
+	struct kvm_nvhe_init_params *init_params;
+
+	boot_args = this_cpu_ptr(&suspend_args);
+	init_params = this_cpu_ptr(&kvm_init_params);
+
+	/*
+	 * No need to acquire a lock before writing to boot_args because a core
+	 * can only suspend itself. Racy CPU_ON calls use a separate struct.
+	 */
+	boot_args->pc = pc;
+	boot_args->r0 = r0;
+
+	/* Will only return on error. */
+	return psci_call(func_id,
+			 __hyp_pa(&kvm_hyp_cpu_resume),
+			 __hyp_pa(init_params), 0);
+}
+
+asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
+{
+	struct psci_boot_args *boot_args;
+	struct kvm_cpu_context *host_ctxt;
+
+	host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+
+	if (is_cpu_on)
+		boot_args = this_cpu_ptr(&cpu_on_args);
+	else
+		boot_args = this_cpu_ptr(&suspend_args);
+
+	cpu_reg(host_ctxt, 0) = boot_args->r0;
+	write_sysreg_el2(boot_args->pc, SYS_ELR);
+
+	if (is_cpu_on)
+		release_boot_args(boot_args);
+
+	__host_enter(host_ctxt);
+}
+
+static DEFINE_HYP_SPINLOCK(mem_protect_lock);
+
+static u64 psci_mem_protect(s64 offset)
+{
+	static u64 cnt;
+	u64 new = cnt + offset;
+
+	hyp_assert_lock_held(&mem_protect_lock);
+
+	if (!offset || kvm_host_psci_config.version < PSCI_VERSION(1, 1))
+		return cnt;
+
+	if (!cnt || !new)
+		psci_call(PSCI_1_1_FN_MEM_PROTECT, offset < 0 ? 0 : 1, 0, 0);
+
+	cnt = new;
+	return cnt;
+}
+
+static bool psci_mem_protect_active(void)
+{
+	return psci_mem_protect(0);
+}
+
+void psci_mem_protect_inc(void)
+{
+	hyp_spin_lock(&mem_protect_lock);
+	psci_mem_protect(1);
+	hyp_spin_unlock(&mem_protect_lock);
+}
+
+void psci_mem_protect_dec(void)
+{
+	hyp_spin_lock(&mem_protect_lock);
+	psci_mem_protect(-1);
+	hyp_spin_unlock(&mem_protect_lock);
+}
+
+static unsigned long psci_0_1_handler(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+	if (is_psci_0_1(cpu_off, func_id) || is_psci_0_1(migrate, func_id))
+		return psci_forward(host_ctxt);
+	if (is_psci_0_1(cpu_on, func_id))
+		return psci_cpu_on(func_id, host_ctxt);
+	if (is_psci_0_1(cpu_suspend, func_id))
+		return psci_cpu_suspend(func_id, host_ctxt);
+
+	return PSCI_RET_NOT_SUPPORTED;
+}
+
+static unsigned long psci_0_2_handler(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+	switch (func_id) {
+	case PSCI_0_2_FN_PSCI_VERSION:
+	case PSCI_0_2_FN_CPU_OFF:
+	case PSCI_0_2_FN64_AFFINITY_INFO:
+	case PSCI_0_2_FN64_MIGRATE:
+	case PSCI_0_2_FN_MIGRATE_INFO_TYPE:
+	case PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU:
+		return psci_forward(host_ctxt);
+	/*
+	 * SYSTEM_OFF/RESET should not return according to the spec.
+	 * Allow it so as to stay robust to broken firmware.
+	 */
+	case PSCI_0_2_FN_SYSTEM_OFF:
+	case PSCI_0_2_FN_SYSTEM_RESET:
+		pkvm_clear_pvmfw_pages();
+		/* Avoid racing with a MEM_PROTECT call. */
+		hyp_spin_lock(&mem_protect_lock);
+		return psci_forward(host_ctxt);
+	case PSCI_0_2_FN64_CPU_SUSPEND:
+		return psci_cpu_suspend(func_id, host_ctxt);
+	case PSCI_0_2_FN64_CPU_ON:
+		return psci_cpu_on(func_id, host_ctxt);
+	default:
+		return PSCI_RET_NOT_SUPPORTED;
+	}
+}
+
+static unsigned long psci_1_0_handler(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+	switch (func_id) {
+	case PSCI_1_1_FN64_SYSTEM_RESET2:
+		pkvm_clear_pvmfw_pages();
+		hyp_spin_lock(&mem_protect_lock);
+		if (psci_mem_protect_active())
+			cpu_reg(host_ctxt, 0) = PSCI_0_2_FN_SYSTEM_RESET;
+		fallthrough;
+	case PSCI_1_0_FN_PSCI_FEATURES:
+	case PSCI_1_0_FN_SET_SUSPEND_MODE:
+		return psci_forward(host_ctxt);
+	case PSCI_1_0_FN64_SYSTEM_SUSPEND:
+		return psci_system_suspend(func_id, host_ctxt);
+	default:
+		return psci_0_2_handler(func_id, host_ctxt);
+	}
+}
+
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, func_id, host_ctxt, 0);
+	unsigned long ret;
+
+	switch (kvm_host_psci_config.version) {
+	case PSCI_VERSION(0, 1):
+		if (!is_psci_0_1_call(func_id))
+			return false;
+		ret = psci_0_1_handler(func_id, host_ctxt);
+		break;
+	case PSCI_VERSION(0, 2):
+		if (!is_psci_0_2_call(func_id))
+			return false;
+		ret = psci_0_2_handler(func_id, host_ctxt);
+		break;
+	default:
+		if (!is_psci_0_2_call(func_id))
+			return false;
+		ret = psci_1_0_handler(func_id, host_ctxt);
+		break;
+	}
+
+	cpu_reg(host_ctxt, 0) = ret;
+	cpu_reg(host_ctxt, 1) = 0;
+	cpu_reg(host_ctxt, 2) = 0;
+	cpu_reg(host_ctxt, 3) = 0;
+	return true;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c
new file mode 100644
index 0000000..a3d8d41
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/setup.c
@@ -0,0 +1,367 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/kvm_pkvm.h>
+
+#include <nvhe/early_alloc.h>
+#include <nvhe/ffa.h>
+#include <nvhe/gfp.h>
+#include <nvhe/iommu.h>
+#include <nvhe/memory.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+#include <nvhe/pkvm.h>
+#include <nvhe/trap_handler.h>
+
+unsigned long hyp_nr_cpus;
+
+phys_addr_t pvmfw_base;
+phys_addr_t pvmfw_size;
+
+#define hyp_percpu_size ((unsigned long)__per_cpu_end - \
+			 (unsigned long)__per_cpu_start)
+
+static void *vmemmap_base;
+static void *shadow_table_base;
+static void *hyp_pgt_base;
+static void *host_s2_pgt_base;
+static void *ffa_proxy_pages;
+static struct kvm_pgtable_mm_ops pkvm_pgtable_mm_ops;
+static struct hyp_pool hpool;
+
+static int divide_memory_pool(void *virt, unsigned long size)
+{
+	unsigned long nr_pages;
+
+	hyp_early_alloc_init(virt, size);
+
+	nr_pages = hyp_vmemmap_pages(sizeof(struct hyp_page));
+	vmemmap_base = hyp_early_alloc_contig(nr_pages);
+	if (!vmemmap_base)
+		return -ENOMEM;
+
+	nr_pages = hyp_shadow_table_pages(sizeof(struct kvm_shadow_vm));
+	shadow_table_base = hyp_early_alloc_contig(nr_pages);
+	if (!shadow_table_base)
+		return -ENOMEM;
+
+	nr_pages = hyp_s1_pgtable_pages();
+	hyp_pgt_base = hyp_early_alloc_contig(nr_pages);
+	if (!hyp_pgt_base)
+		return -ENOMEM;
+
+	nr_pages = host_s2_pgtable_pages();
+	host_s2_pgt_base = hyp_early_alloc_contig(nr_pages);
+	if (!host_s2_pgt_base)
+		return -ENOMEM;
+
+	nr_pages = hyp_ffa_proxy_pages();
+	ffa_proxy_pages = hyp_early_alloc_contig(nr_pages);
+	if (!ffa_proxy_pages)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static int recreate_hyp_mappings(phys_addr_t phys, unsigned long size,
+				 unsigned long *per_cpu_base,
+				 u32 hyp_va_bits)
+{
+	void *start, *end, *virt = hyp_phys_to_virt(phys);
+	unsigned long pgt_size = hyp_s1_pgtable_pages() << PAGE_SHIFT;
+	enum kvm_pgtable_prot prot;
+	int ret, i;
+
+	/* Recreate the hyp page-table using the early page allocator */
+	hyp_early_alloc_init(hyp_pgt_base, pgt_size);
+	ret = kvm_pgtable_hyp_init(&pkvm_pgtable, hyp_va_bits,
+				   &hyp_early_alloc_mm_ops);
+	if (ret)
+		return ret;
+
+	ret = hyp_create_idmap(hyp_va_bits);
+	if (ret)
+		return ret;
+
+	ret = hyp_map_vectors();
+	if (ret)
+		return ret;
+
+	ret = hyp_back_vmemmap(hyp_virt_to_phys(vmemmap_base));
+	if (ret)
+		return ret;
+
+	ret = pkvm_create_mappings(__hyp_text_start, __hyp_text_end, PAGE_HYP_EXEC);
+	if (ret)
+		return ret;
+
+	ret = pkvm_create_mappings(__hyp_data_start, __hyp_data_end, PAGE_HYP);
+	if (ret)
+		return ret;
+
+	ret = pkvm_create_mappings(__hyp_rodata_start, __hyp_rodata_end, PAGE_HYP_RO);
+	if (ret)
+		return ret;
+
+	ret = pkvm_create_mappings(__hyp_bss_start, __hyp_bss_end, PAGE_HYP);
+	if (ret)
+		return ret;
+
+	ret = pkvm_create_mappings(virt, virt + size, PAGE_HYP);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < hyp_nr_cpus; i++) {
+		start = (void *)kern_hyp_va(per_cpu_base[i]);
+		end = start + PAGE_ALIGN(hyp_percpu_size);
+		ret = pkvm_create_mappings(start, end, PAGE_HYP);
+		if (ret)
+			return ret;
+
+		end = (void *)per_cpu_ptr(&kvm_init_params, i)->stack_hyp_va;
+		start = end - PAGE_SIZE;
+		ret = pkvm_create_mappings(start, end, PAGE_HYP);
+		if (ret)
+			return ret;
+	}
+
+	/*
+	 * Map the host sections RO in the hypervisor, but transfer the
+	 * ownership from the host to the hypervisor itself to make sure they
+	 * can't be donated or shared with another entity.
+	 *
+	 * The ownership transition requires matching changes in the host
+	 * stage-2. This will be done later (see finalize_host_mappings()) once
+	 * the hyp_vmemmap is addressable.
+	 */
+	prot = pkvm_mkstate(PAGE_HYP_RO, PKVM_PAGE_SHARED_OWNED);
+	ret = pkvm_create_mappings(&kvm_vgic_global_state, &kvm_vgic_global_state + 1, prot);
+	if (ret)
+		return ret;
+
+	start = hyp_phys_to_virt(pvmfw_base);
+	end = start + pvmfw_size;
+	prot = pkvm_mkstate(PAGE_HYP, PKVM_PAGE_OWNED);
+	ret = pkvm_create_mappings(start, end, prot);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void update_nvhe_init_params(void)
+{
+	struct kvm_nvhe_init_params *params;
+	unsigned long i;
+
+	for (i = 0; i < hyp_nr_cpus; i++) {
+		params = per_cpu_ptr(&kvm_init_params, i);
+		params->pgd_pa = __hyp_pa(pkvm_pgtable.pgd);
+		dcache_clean_inval_poc((unsigned long)params,
+				    (unsigned long)params + sizeof(*params));
+	}
+}
+
+static void *hyp_zalloc_hyp_page(void *arg)
+{
+	return hyp_alloc_pages(&hpool, 0);
+}
+
+static void hpool_get_page(void *addr)
+{
+	hyp_get_page(&hpool, addr);
+}
+
+static void hpool_put_page(void *addr)
+{
+	hyp_put_page(&hpool, addr);
+}
+
+static int fix_host_ownership_walker(u64 addr, u64 end, u32 level,
+				     kvm_pte_t *ptep,
+				     enum kvm_pgtable_walk_flags flag,
+				     void * const arg)
+{
+	enum kvm_pgtable_prot prot;
+	enum pkvm_page_state state;
+	kvm_pte_t pte = *ptep;
+	phys_addr_t phys;
+
+	if (!kvm_pte_valid(pte))
+		return 0;
+
+	if (level != (KVM_PGTABLE_MAX_LEVELS - 1))
+		return -EINVAL;
+
+	phys = kvm_pte_to_phys(pte);
+	if (!addr_is_memory(phys))
+		return -EINVAL;
+
+	/*
+	 * Adjust the host stage-2 mappings to match the ownership attributes
+	 * configured in the hypervisor stage-1.
+	 */
+	state = pkvm_getstate(kvm_pgtable_hyp_pte_prot(pte));
+	switch (state) {
+	case PKVM_PAGE_OWNED:
+		return host_stage2_set_owner_locked(phys, PAGE_SIZE, pkvm_hyp_id);
+	case PKVM_PAGE_SHARED_OWNED:
+		prot = pkvm_mkstate(PKVM_HOST_MEM_PROT, PKVM_PAGE_SHARED_BORROWED);
+		break;
+	case PKVM_PAGE_SHARED_BORROWED:
+		prot = pkvm_mkstate(PKVM_HOST_MEM_PROT, PKVM_PAGE_SHARED_OWNED);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return host_stage2_idmap_locked(phys, PAGE_SIZE, prot, false);
+}
+
+static int fix_hyp_pgtable_refcnt_walker(u64 addr, u64 end, u32 level,
+					 kvm_pte_t *ptep,
+					 enum kvm_pgtable_walk_flags flag,
+					 void * const arg)
+{
+	struct kvm_pgtable_mm_ops *mm_ops = arg;
+	kvm_pte_t pte = *ptep;
+
+	/*
+	 * Fix-up the refcount for the page-table pages as the early allocator
+	 * was unable to access the hyp_vmemmap and so the buddy allocator has
+	 * initialised the refcount to '1'.
+	 */
+	if (kvm_pte_valid(pte))
+		mm_ops->get_page(ptep);
+
+	return 0;
+}
+
+static int fix_host_ownership(void)
+{
+	struct kvm_pgtable_walker walker = {
+		.cb	= fix_host_ownership_walker,
+		.flags	= KVM_PGTABLE_WALK_LEAF,
+	};
+	int i, ret;
+
+	for (i = 0; i < hyp_memblock_nr; i++) {
+		struct memblock_region *reg = &hyp_memory[i];
+		u64 start = (u64)hyp_phys_to_virt(reg->base);
+
+		ret = kvm_pgtable_walk(&pkvm_pgtable, start, reg->size, &walker);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int fix_hyp_pgtable_refcnt(void)
+{
+	struct kvm_pgtable_walker walker = {
+		.cb	= fix_hyp_pgtable_refcnt_walker,
+		.flags	= KVM_PGTABLE_WALK_LEAF | KVM_PGTABLE_WALK_TABLE_POST,
+		.arg	= pkvm_pgtable.mm_ops,
+	};
+
+	return kvm_pgtable_walk(&pkvm_pgtable, 0, BIT(pkvm_pgtable.ia_bits),
+				&walker);
+}
+
+void __noreturn __pkvm_init_finalise(void)
+{
+	struct kvm_host_data *host_data = this_cpu_ptr(&kvm_host_data);
+	struct kvm_cpu_context *host_ctxt = &host_data->host_ctxt;
+	unsigned long nr_pages, reserved_pages, pfn;
+	int ret;
+
+	/* Now that the vmemmap is backed, install the full-fledged allocator */
+	pfn = hyp_virt_to_pfn(hyp_pgt_base);
+	nr_pages = hyp_s1_pgtable_pages();
+	reserved_pages = hyp_early_alloc_nr_used_pages();
+	ret = hyp_pool_init(&hpool, pfn, nr_pages, reserved_pages);
+	if (ret)
+		goto out;
+
+	ret = kvm_host_prepare_stage2(host_s2_pgt_base);
+	if (ret)
+		goto out;
+
+	pkvm_pgtable_mm_ops = (struct kvm_pgtable_mm_ops) {
+		.zalloc_page = hyp_zalloc_hyp_page,
+		.phys_to_virt = hyp_phys_to_virt,
+		.virt_to_phys = hyp_virt_to_phys,
+		.get_page = hpool_get_page,
+		.put_page = hpool_put_page,
+		.page_count = hyp_page_count,
+	};
+	pkvm_pgtable.mm_ops = &pkvm_pgtable_mm_ops;
+
+	ret = fix_host_ownership();
+	if (ret)
+		goto out;
+
+	ret = fix_hyp_pgtable_refcnt();
+	if (ret)
+		goto out;
+
+	ret = hyp_create_pcpu_fixmap();
+	if (ret)
+		goto out;
+
+	ret = hyp_ffa_init(ffa_proxy_pages);
+	if (ret)
+		goto out;
+
+	hyp_shadow_table_init(shadow_table_base);
+out:
+	/*
+	 * We tail-called to here from handle___pkvm_init() and will not return,
+	 * so make sure to propagate the return value to the host.
+	 */
+	cpu_reg(host_ctxt, 1) = ret;
+
+	__host_enter(host_ctxt);
+}
+
+int __pkvm_init(phys_addr_t phys, unsigned long size, unsigned long nr_cpus,
+		unsigned long *per_cpu_base, u32 hyp_va_bits)
+{
+	struct kvm_nvhe_init_params *params;
+	void *virt = hyp_phys_to_virt(phys);
+	void (*fn)(phys_addr_t params_pa, void *finalize_fn_va);
+	int ret;
+
+	BUG_ON(kvm_check_pvm_sysreg_table());
+
+	if (!PAGE_ALIGNED(phys) || !PAGE_ALIGNED(size))
+		return -EINVAL;
+
+	hyp_spin_lock_init(&pkvm_pgd_lock);
+	hyp_nr_cpus = nr_cpus;
+
+	ret = divide_memory_pool(virt, size);
+	if (ret)
+		return ret;
+
+	ret = recreate_hyp_mappings(phys, size, per_cpu_base, hyp_va_bits);
+	if (ret)
+		return ret;
+
+	update_nvhe_init_params();
+
+	/* Jump in the idmap page to switch to the new page-tables */
+	params = this_cpu_ptr(&kvm_init_params);
+	fn = (typeof(fn))__hyp_pa(__pkvm_init_switch_pgd);
+	fn(__hyp_pa(params), __pkvm_init_finalise);
+
+	unreachable();
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/stub.c b/arch/arm64/kvm/hyp/nvhe/stub.c
new file mode 100644
index 0000000..c0aa6bb
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/stub.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Stubs for out-of-line function calls caused by re-using kernel
+ * infrastructure at EL2.
+ *
+ * Copyright (C) 2020 - Google LLC
+ */
+
+#include <linux/list.h>
+
+#ifdef CONFIG_DEBUG_LIST
+bool __list_add_valid(struct list_head *new, struct list_head *prev,
+		      struct list_head *next)
+{
+		return true;
+}
+
+bool __list_del_entry_valid(struct list_head *entry)
+{
+		return true;
+}
+#endif
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c
index 2401164..7637334 100644
--- a/arch/arm64/kvm/hyp/nvhe/switch.c
+++ b/arch/arm64/kvm/hyp/nvhe/switch.c
@@ -25,7 +25,9 @@
 #include <asm/fpsimd.h>
 #include <asm/debug-monitors.h>
 #include <asm/processor.h>
-#include <asm/thread_info.h>
+
+#include <nvhe/mem_protect.h>
+#include <nvhe/pkvm.h>
 
 /* Non-VHE specific context */
 DEFINE_PER_CPU(struct kvm_host_data, kvm_host_data);
@@ -39,10 +41,10 @@
 	___activate_traps(vcpu);
 	__activate_traps_common(vcpu);
 
-	val = CPTR_EL2_DEFAULT;
-	val |= CPTR_EL2_TTA | CPTR_EL2_TZ | CPTR_EL2_TAM;
+	val = vcpu->arch.cptr_el2;
+	val |= CPTR_EL2_TTA | CPTR_EL2_TAM;
 	if (!update_fp_enabled(vcpu)) {
-		val |= CPTR_EL2_TFP;
+		val |= CPTR_EL2_TFP | CPTR_EL2_TZ;
 		__activate_traps_fpsimd32(vcpu);
 	}
 
@@ -67,12 +69,10 @@
 static void __deactivate_traps(struct kvm_vcpu *vcpu)
 {
 	extern char __kvm_hyp_host_vector[];
-	u64 mdcr_el2;
+	u64 cptr;
 
 	___deactivate_traps(vcpu);
 
-	mdcr_el2 = read_sysreg(mdcr_el2);
-
 	if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
 		u64 val;
 
@@ -90,22 +90,18 @@
 		isb();
 	}
 
-	__deactivate_traps_common();
+	__deactivate_traps_common(vcpu);
 
-	mdcr_el2 &= MDCR_EL2_HPMN_MASK;
-	mdcr_el2 |= MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT;
+	write_sysreg(this_cpu_ptr(&kvm_init_params)->hcr_el2, hcr_el2);
 
-	write_sysreg(mdcr_el2, mdcr_el2);
-	write_sysreg(HCR_HOST_NVHE_FLAGS, hcr_el2);
-	write_sysreg(CPTR_EL2_DEFAULT, cptr_el2);
+	cptr = CPTR_EL2_DEFAULT;
+	if (vcpu_has_sve(vcpu) && (vcpu->arch.flags & KVM_ARM64_FP_ENABLED))
+		cptr |= CPTR_EL2_TZ;
+
+	write_sysreg(cptr, cptr_el2);
 	write_sysreg(__kvm_hyp_host_vector, vbar_el2);
 }
 
-static void __load_host_stage2(void)
-{
-	write_sysreg(0, vttbr_el2);
-}
-
 /* Save VGICv3 state on non-VHE systems */
 static void __hyp_vgic_save_state(struct kvm_vcpu *vcpu)
 {
@@ -124,7 +120,7 @@
 	}
 }
 
-/**
+/*
  * Disable host events, enable guest events
  */
 static bool __pmu_switch_to_guest(struct kvm_cpu_context *host_ctxt)
@@ -144,7 +140,7 @@
 	return (pmu->events_host || pmu->events_guest);
 }
 
-/**
+/*
  * Disable guest events, enable host events
  */
 static void __pmu_switch_to_host(struct kvm_cpu_context *host_ctxt)
@@ -162,11 +158,105 @@
 		write_sysreg(pmu->events_host, pmcntenset_el0);
 }
 
+/*
+ * Handler for protected VM MSR, MRS or System instruction execution in AArch64.
+ *
+ * Returns true if the hypervisor has handled the exit, and control should go
+ * back to the guest, or false if it hasn't.
+ */
+static bool kvm_handle_pvm_sys64(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	/*
+	 * Make sure we handle the exit for workarounds and ptrauth
+	 * before the pKVM handling, as the latter could decide to
+	 * UNDEF.
+	 */
+	return (kvm_hyp_handle_sysreg(vcpu, exit_code) ||
+		kvm_handle_pvm_sysreg(vcpu, exit_code));
+}
+
+/*
+ * Handler for protected floating-point and Advanced SIMD accesses.
+ *
+ * Returns true if the hypervisor has handled the exit, and control should go
+ * back to the guest, or false if it hasn't.
+ */
+static bool kvm_handle_pvm_fpsimd(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	/* Linux guests assume support for floating-point and Advanced SIMD. */
+	BUILD_BUG_ON(!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_FP),
+				PVM_ID_AA64PFR0_ALLOW));
+	BUILD_BUG_ON(!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_ASIMD),
+				PVM_ID_AA64PFR0_ALLOW));
+
+	return kvm_hyp_handle_fpsimd(vcpu, exit_code);
+}
+
+static const exit_handler_fn hyp_exit_handlers[] = {
+	[0 ... ESR_ELx_EC_MAX]		= NULL,
+	[ESR_ELx_EC_CP15_32]		= kvm_hyp_handle_cp15_32,
+	[ESR_ELx_EC_SYS64]		= kvm_hyp_handle_sysreg,
+	[ESR_ELx_EC_SVE]		= kvm_hyp_handle_fpsimd,
+	[ESR_ELx_EC_FP_ASIMD]		= kvm_hyp_handle_fpsimd,
+	[ESR_ELx_EC_IABT_LOW]		= kvm_hyp_handle_iabt_low,
+	[ESR_ELx_EC_DABT_LOW]		= kvm_hyp_handle_dabt_low,
+	[ESR_ELx_EC_WATCHPT_LOW]	= kvm_hyp_handle_watchpt_low,
+	[ESR_ELx_EC_PAC]		= kvm_hyp_handle_ptrauth,
+};
+
+static const exit_handler_fn pvm_exit_handlers[] = {
+	[0 ... ESR_ELx_EC_MAX]		= NULL,
+	[ESR_ELx_EC_HVC64]		= kvm_handle_pvm_hvc64,
+	[ESR_ELx_EC_SYS64]		= kvm_handle_pvm_sys64,
+	[ESR_ELx_EC_SVE]		= kvm_handle_pvm_restricted,
+	[ESR_ELx_EC_FP_ASIMD]		= kvm_handle_pvm_fpsimd,
+	[ESR_ELx_EC_IABT_LOW]		= kvm_hyp_handle_iabt_low,
+	[ESR_ELx_EC_DABT_LOW]		= kvm_hyp_handle_dabt_low,
+	[ESR_ELx_EC_WATCHPT_LOW]	= kvm_hyp_handle_watchpt_low,
+	[ESR_ELx_EC_PAC]		= kvm_hyp_handle_ptrauth,
+};
+
+static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu)
+{
+	if (unlikely(vcpu_is_protected(vcpu)))
+		return pvm_exit_handlers;
+
+	return hyp_exit_handlers;
+}
+
+/*
+ * Some guests (e.g., protected VMs) are not be allowed to run in AArch32.
+ * The ARMv8 architecture does not give the hypervisor a mechanism to prevent a
+ * guest from dropping to AArch32 EL0 if implemented by the CPU. If the
+ * hypervisor spots a guest in such a state ensure it is handled, and don't
+ * trust the host to spot or fix it.  The check below is based on the one in
+ * kvm_arch_vcpu_ioctl_run().
+ *
+ * Returns false if the guest ran in AArch32 when it shouldn't have, and
+ * thus should exit to the host, or true if a the guest run loop can continue.
+ */
+static void early_exit_filter(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	if (unlikely(vcpu_is_protected(vcpu) && vcpu_mode_is_32bit(vcpu))) {
+		/*
+		 * As we have caught the guest red-handed, decide that it isn't
+		 * fit for purpose anymore by making the vcpu invalid. The VMM
+		 * can try and fix it by re-initializing the vcpu with
+		 * KVM_ARM_VCPU_INIT, however, this is likely not possible for
+		 * protected VMs.
+		 */
+		vcpu->arch.target = -1;
+		*exit_code &= BIT(ARM_EXIT_WITH_SERROR_BIT);
+		*exit_code |= ARM_EXCEPTION_IL;
+	}
+}
+
 /* Switch to the guest for legacy non-VHE systems */
 int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
 {
 	struct kvm_cpu_context *host_ctxt;
 	struct kvm_cpu_context *guest_ctxt;
+	struct kvm_s2_mmu *mmu;
 	bool pmu_switch_needed;
 	u64 exit_code;
 
@@ -197,6 +287,8 @@
 	 */
 	__debug_save_host_buffers_nvhe(vcpu);
 
+	__kvm_adjust_pc(vcpu);
+
 	/*
 	 * We must restore the 32-bit state before the sysregs, thanks
 	 * to erratum #852523 (Cortex-A57) or #853709 (Cortex-A72).
@@ -208,7 +300,8 @@
 	__sysreg32_restore_state(vcpu);
 	__sysreg_restore_state_nvhe(guest_ctxt);
 
-	__load_guest_stage2(kern_hyp_va(vcpu->arch.hw_mmu));
+	mmu = kern_hyp_va(vcpu->arch.hw_mmu);
+	__load_stage2(mmu, kern_hyp_va(mmu->arch));
 	__activate_traps(vcpu);
 
 	__hyp_vgic_restore_state(vcpu);
diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
new file mode 100644
index 0000000..1729b4d6
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
@@ -0,0 +1,601 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 Google LLC
+ * Author: Fuad Tabba <tabba@google.com>
+ */
+
+#include <linux/irqchip/arm-gic-v3.h>
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pkvm.h>
+
+#include <hyp/adjust_pc.h>
+#include <nvhe/pkvm.h>
+
+#include "../../sys_regs.h"
+
+/*
+ * Copies of the host's CPU features registers holding sanitized values at hyp.
+ */
+u64 id_aa64pfr0_el1_sys_val;
+u64 id_aa64pfr1_el1_sys_val;
+u64 id_aa64isar0_el1_sys_val;
+u64 id_aa64isar1_el1_sys_val;
+u64 id_aa64mmfr0_el1_sys_val;
+u64 id_aa64mmfr1_el1_sys_val;
+u64 id_aa64mmfr2_el1_sys_val;
+
+/*
+ * Inject an unknown/undefined exception to an AArch64 guest while most of its
+ * sysregs are live.
+ */
+static void inject_undef64(struct kvm_vcpu *vcpu)
+{
+	u32 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT);
+
+	*vcpu_pc(vcpu) = read_sysreg_el2(SYS_ELR);
+	*vcpu_cpsr(vcpu) = read_sysreg_el2(SYS_SPSR);
+
+	vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA64_EL1 |
+			     KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+			     KVM_ARM64_PENDING_EXCEPTION);
+
+	__kvm_adjust_pc(vcpu);
+
+	write_sysreg_el1(esr, SYS_ESR);
+	write_sysreg_el1(read_sysreg_el2(SYS_ELR), SYS_ELR);
+	write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
+	write_sysreg_el2(*vcpu_cpsr(vcpu), SYS_SPSR);
+}
+
+/*
+ * Returns the restricted features values of the feature register based on the
+ * limitations in restrict_fields.
+ * A feature id field value of 0b0000 does not impose any restrictions.
+ * Note: Use only for unsigned feature field values.
+ */
+static u64 get_restricted_features_unsigned(u64 sys_reg_val,
+					    u64 restrict_fields)
+{
+	u64 value = 0UL;
+	u64 mask = GENMASK_ULL(ARM64_FEATURE_FIELD_BITS - 1, 0);
+
+	/*
+	 * According to the Arm Architecture Reference Manual, feature fields
+	 * use increasing values to indicate increases in functionality.
+	 * Iterate over the restricted feature fields and calculate the minimum
+	 * unsigned value between the one supported by the system, and what the
+	 * value is being restricted to.
+	 */
+	while (sys_reg_val && restrict_fields) {
+		value |= min(sys_reg_val & mask, restrict_fields & mask);
+		sys_reg_val &= ~mask;
+		restrict_fields &= ~mask;
+		mask <<= ARM64_FEATURE_FIELD_BITS;
+	}
+
+	return value;
+}
+
+/*
+ * Functions that return the value of feature id registers for protected VMs
+ * based on allowed features, system features, and KVM support.
+ */
+
+static u64 get_pvm_id_aa64pfr0(const struct kvm_vcpu *vcpu)
+{
+	const struct kvm *kvm = (const struct kvm *)kern_hyp_va(vcpu->kvm);
+	u64 set_mask = 0;
+	u64 allow_mask = PVM_ID_AA64PFR0_ALLOW;
+
+	if (!vcpu_has_sve(vcpu))
+		allow_mask &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_SVE);
+
+	set_mask |= get_restricted_features_unsigned(id_aa64pfr0_el1_sys_val,
+		PVM_ID_AA64PFR0_RESTRICT_UNSIGNED);
+
+	/* Spectre and Meltdown mitigation in KVM */
+	set_mask |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_CSV2),
+			       (u64)kvm->arch.pfr0_csv2);
+	set_mask |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_CSV3),
+			       (u64)kvm->arch.pfr0_csv3);
+
+	return (id_aa64pfr0_el1_sys_val & allow_mask) | set_mask;
+}
+
+static u64 get_pvm_id_aa64pfr1(const struct kvm_vcpu *vcpu)
+{
+	const struct kvm *kvm = (const struct kvm *)kern_hyp_va(vcpu->kvm);
+	u64 allow_mask = PVM_ID_AA64PFR1_ALLOW;
+
+	if (!kvm_has_mte(kvm))
+		allow_mask &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_MTE);
+
+	return id_aa64pfr1_el1_sys_val & allow_mask;
+}
+
+static u64 get_pvm_id_aa64zfr0(const struct kvm_vcpu *vcpu)
+{
+	/*
+	 * No support for Scalable Vectors, therefore, hyp has no sanitized
+	 * copy of the feature id register.
+	 */
+	BUILD_BUG_ON(PVM_ID_AA64ZFR0_ALLOW != 0ULL);
+	return 0;
+}
+
+static u64 get_pvm_id_aa64dfr0(const struct kvm_vcpu *vcpu)
+{
+	/*
+	 * No support for debug, including breakpoints, and watchpoints,
+	 * therefore, pKVM has no sanitized copy of the feature id register.
+	 */
+	BUILD_BUG_ON(PVM_ID_AA64DFR0_ALLOW != 0ULL);
+	return 0;
+}
+
+static u64 get_pvm_id_aa64dfr1(const struct kvm_vcpu *vcpu)
+{
+	/*
+	 * No support for debug, therefore, hyp has no sanitized copy of the
+	 * feature id register.
+	 */
+	BUILD_BUG_ON(PVM_ID_AA64DFR1_ALLOW != 0ULL);
+	return 0;
+}
+
+static u64 get_pvm_id_aa64afr0(const struct kvm_vcpu *vcpu)
+{
+	/*
+	 * No support for implementation defined features, therefore, hyp has no
+	 * sanitized copy of the feature id register.
+	 */
+	BUILD_BUG_ON(PVM_ID_AA64AFR0_ALLOW != 0ULL);
+	return 0;
+}
+
+static u64 get_pvm_id_aa64afr1(const struct kvm_vcpu *vcpu)
+{
+	/*
+	 * No support for implementation defined features, therefore, hyp has no
+	 * sanitized copy of the feature id register.
+	 */
+	BUILD_BUG_ON(PVM_ID_AA64AFR1_ALLOW != 0ULL);
+	return 0;
+}
+
+static u64 get_pvm_id_aa64isar0(const struct kvm_vcpu *vcpu)
+{
+	return id_aa64isar0_el1_sys_val & PVM_ID_AA64ISAR0_ALLOW;
+}
+
+static u64 get_pvm_id_aa64isar1(const struct kvm_vcpu *vcpu)
+{
+	u64 allow_mask = PVM_ID_AA64ISAR1_ALLOW;
+
+	if (!vcpu_has_ptrauth(vcpu))
+		allow_mask &= ~(ARM64_FEATURE_MASK(ID_AA64ISAR1_APA) |
+				ARM64_FEATURE_MASK(ID_AA64ISAR1_API) |
+				ARM64_FEATURE_MASK(ID_AA64ISAR1_GPA) |
+				ARM64_FEATURE_MASK(ID_AA64ISAR1_GPI));
+
+	return id_aa64isar1_el1_sys_val & allow_mask;
+}
+
+static u64 get_pvm_id_aa64mmfr0(const struct kvm_vcpu *vcpu)
+{
+	u64 set_mask;
+
+	set_mask = get_restricted_features_unsigned(id_aa64mmfr0_el1_sys_val,
+		PVM_ID_AA64MMFR0_RESTRICT_UNSIGNED);
+
+	return (id_aa64mmfr0_el1_sys_val & PVM_ID_AA64MMFR0_ALLOW) | set_mask;
+}
+
+static u64 get_pvm_id_aa64mmfr1(const struct kvm_vcpu *vcpu)
+{
+	return id_aa64mmfr1_el1_sys_val & PVM_ID_AA64MMFR1_ALLOW;
+}
+
+static u64 get_pvm_id_aa64mmfr2(const struct kvm_vcpu *vcpu)
+{
+	return id_aa64mmfr2_el1_sys_val & PVM_ID_AA64MMFR2_ALLOW;
+}
+
+/* Read a sanitized cpufeature ID register by its encoding */
+u64 pvm_read_id_reg(const struct kvm_vcpu *vcpu, u32 id)
+{
+	switch (id) {
+	case SYS_ID_AA64PFR0_EL1:
+		return get_pvm_id_aa64pfr0(vcpu);
+	case SYS_ID_AA64PFR1_EL1:
+		return get_pvm_id_aa64pfr1(vcpu);
+	case SYS_ID_AA64ZFR0_EL1:
+		return get_pvm_id_aa64zfr0(vcpu);
+	case SYS_ID_AA64DFR0_EL1:
+		return get_pvm_id_aa64dfr0(vcpu);
+	case SYS_ID_AA64DFR1_EL1:
+		return get_pvm_id_aa64dfr1(vcpu);
+	case SYS_ID_AA64AFR0_EL1:
+		return get_pvm_id_aa64afr0(vcpu);
+	case SYS_ID_AA64AFR1_EL1:
+		return get_pvm_id_aa64afr1(vcpu);
+	case SYS_ID_AA64ISAR0_EL1:
+		return get_pvm_id_aa64isar0(vcpu);
+	case SYS_ID_AA64ISAR1_EL1:
+		return get_pvm_id_aa64isar1(vcpu);
+	case SYS_ID_AA64MMFR0_EL1:
+		return get_pvm_id_aa64mmfr0(vcpu);
+	case SYS_ID_AA64MMFR1_EL1:
+		return get_pvm_id_aa64mmfr1(vcpu);
+	case SYS_ID_AA64MMFR2_EL1:
+		return get_pvm_id_aa64mmfr2(vcpu);
+	default:
+		/* Unhandled ID register, RAZ */
+		return 0;
+	}
+}
+
+static u64 read_id_reg(const struct kvm_vcpu *vcpu,
+		       struct sys_reg_desc const *r)
+{
+	return pvm_read_id_reg(vcpu, reg_to_encoding(r));
+}
+
+/* Handler to RAZ/WI sysregs */
+static bool pvm_access_raz_wi(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
+			      const struct sys_reg_desc *r)
+{
+	if (!p->is_write)
+		p->regval = 0;
+
+	return true;
+}
+
+/*
+ * Accessor for AArch32 feature id registers.
+ *
+ * The value of these registers is "unknown" according to the spec if AArch32
+ * isn't supported.
+ */
+static bool pvm_access_id_aarch32(struct kvm_vcpu *vcpu,
+				  struct sys_reg_params *p,
+				  const struct sys_reg_desc *r)
+{
+	if (p->is_write) {
+		inject_undef64(vcpu);
+		return false;
+	}
+
+	/*
+	 * No support for AArch32 guests, therefore, pKVM has no sanitized copy
+	 * of AArch32 feature id registers.
+	 */
+	BUILD_BUG_ON(FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_EL1),
+		     PVM_ID_AA64PFR0_RESTRICT_UNSIGNED) > ID_AA64PFR0_ELx_64BIT_ONLY);
+
+	return pvm_access_raz_wi(vcpu, p, r);
+}
+
+/*
+ * Accessor for AArch64 feature id registers.
+ *
+ * If access is allowed, set the regval to the protected VM's view of the
+ * register and return true.
+ * Otherwise, inject an undefined exception and return false.
+ */
+static bool pvm_access_id_aarch64(struct kvm_vcpu *vcpu,
+				  struct sys_reg_params *p,
+				  const struct sys_reg_desc *r)
+{
+	if (p->is_write) {
+		inject_undef64(vcpu);
+		return false;
+	}
+
+	p->regval = read_id_reg(vcpu, r);
+	return true;
+}
+
+static bool pvm_gic_read_sre(struct kvm_vcpu *vcpu,
+			     struct sys_reg_params *p,
+			     const struct sys_reg_desc *r)
+{
+	/* pVMs only support GICv3. 'nuf said. */
+	if (!p->is_write)
+		p->regval = ICC_SRE_EL1_DIB | ICC_SRE_EL1_DFB | ICC_SRE_EL1_SRE;
+
+	return true;
+}
+
+/* Mark the specified system register as an AArch32 feature id register. */
+#define AARCH32(REG) { SYS_DESC(REG), .access = pvm_access_id_aarch32 }
+
+/* Mark the specified system register as an AArch64 feature id register. */
+#define AARCH64(REG) { SYS_DESC(REG), .access = pvm_access_id_aarch64 }
+
+/*
+ * sys_reg_desc initialiser for architecturally unallocated cpufeature ID
+ * register with encoding Op0=3, Op1=0, CRn=0, CRm=crm, Op2=op2
+ * (1 <= crm < 8, 0 <= Op2 < 8).
+ */
+#define ID_UNALLOCATED(crm, op2) {			\
+	Op0(3), Op1(0), CRn(0), CRm(crm), Op2(op2),	\
+	.access = pvm_access_id_aarch64,		\
+}
+
+/* Mark the specified system register as Read-As-Zero/Write-Ignored */
+#define RAZ_WI(REG) { SYS_DESC(REG), .access = pvm_access_raz_wi }
+
+/* Mark the specified system register as not being handled in hyp. */
+#define HOST_HANDLED(REG) { SYS_DESC(REG), .access = NULL }
+
+/*
+ * Architected system registers.
+ * Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2
+ *
+ * NOTE: Anything not explicitly listed here is *restricted by default*, i.e.,
+ * it will lead to injecting an exception into the guest.
+ */
+static const struct sys_reg_desc pvm_sys_reg_descs[] = {
+	/* Cache maintenance by set/way operations are restricted. */
+
+	/* Debug and Trace Registers are restricted. */
+	RAZ_WI(SYS_DBGBVRn_EL1(0)),
+	RAZ_WI(SYS_DBGBCRn_EL1(0)),
+	RAZ_WI(SYS_DBGWVRn_EL1(0)),
+	RAZ_WI(SYS_DBGWCRn_EL1(0)),
+	RAZ_WI(SYS_MDSCR_EL1),
+	RAZ_WI(SYS_OSLAR_EL1),
+	RAZ_WI(SYS_OSLSR_EL1),
+	RAZ_WI(SYS_OSDLR_EL1),
+
+	/* Group 1 ID registers */
+	RAZ_WI(SYS_REVIDR_EL1),
+
+	/* AArch64 mappings of the AArch32 ID registers */
+	/* CRm=1 */
+	AARCH32(SYS_ID_PFR0_EL1),
+	AARCH32(SYS_ID_PFR1_EL1),
+	AARCH32(SYS_ID_DFR0_EL1),
+	AARCH32(SYS_ID_AFR0_EL1),
+	AARCH32(SYS_ID_MMFR0_EL1),
+	AARCH32(SYS_ID_MMFR1_EL1),
+	AARCH32(SYS_ID_MMFR2_EL1),
+	AARCH32(SYS_ID_MMFR3_EL1),
+
+	/* CRm=2 */
+	AARCH32(SYS_ID_ISAR0_EL1),
+	AARCH32(SYS_ID_ISAR1_EL1),
+	AARCH32(SYS_ID_ISAR2_EL1),
+	AARCH32(SYS_ID_ISAR3_EL1),
+	AARCH32(SYS_ID_ISAR4_EL1),
+	AARCH32(SYS_ID_ISAR5_EL1),
+	AARCH32(SYS_ID_MMFR4_EL1),
+	AARCH32(SYS_ID_ISAR6_EL1),
+
+	/* CRm=3 */
+	AARCH32(SYS_MVFR0_EL1),
+	AARCH32(SYS_MVFR1_EL1),
+	AARCH32(SYS_MVFR2_EL1),
+	ID_UNALLOCATED(3,3),
+	AARCH32(SYS_ID_PFR2_EL1),
+	AARCH32(SYS_ID_DFR1_EL1),
+	AARCH32(SYS_ID_MMFR5_EL1),
+	ID_UNALLOCATED(3,7),
+
+	/* AArch64 ID registers */
+	/* CRm=4 */
+	AARCH64(SYS_ID_AA64PFR0_EL1),
+	AARCH64(SYS_ID_AA64PFR1_EL1),
+	ID_UNALLOCATED(4,2),
+	ID_UNALLOCATED(4,3),
+	AARCH64(SYS_ID_AA64ZFR0_EL1),
+	ID_UNALLOCATED(4,5),
+	ID_UNALLOCATED(4,6),
+	ID_UNALLOCATED(4,7),
+	AARCH64(SYS_ID_AA64DFR0_EL1),
+	AARCH64(SYS_ID_AA64DFR1_EL1),
+	ID_UNALLOCATED(5,2),
+	ID_UNALLOCATED(5,3),
+	AARCH64(SYS_ID_AA64AFR0_EL1),
+	AARCH64(SYS_ID_AA64AFR1_EL1),
+	ID_UNALLOCATED(5,6),
+	ID_UNALLOCATED(5,7),
+	AARCH64(SYS_ID_AA64ISAR0_EL1),
+	AARCH64(SYS_ID_AA64ISAR1_EL1),
+	AARCH64(SYS_ID_AA64ISAR2_EL1),
+	ID_UNALLOCATED(6,3),
+	ID_UNALLOCATED(6,4),
+	ID_UNALLOCATED(6,5),
+	ID_UNALLOCATED(6,6),
+	ID_UNALLOCATED(6,7),
+	AARCH64(SYS_ID_AA64MMFR0_EL1),
+	AARCH64(SYS_ID_AA64MMFR1_EL1),
+	AARCH64(SYS_ID_AA64MMFR2_EL1),
+	ID_UNALLOCATED(7,3),
+	ID_UNALLOCATED(7,4),
+	ID_UNALLOCATED(7,5),
+	ID_UNALLOCATED(7,6),
+	ID_UNALLOCATED(7,7),
+
+	/* Scalable Vector Registers are restricted. */
+
+	RAZ_WI(SYS_ERRIDR_EL1),
+	RAZ_WI(SYS_ERRSELR_EL1),
+	RAZ_WI(SYS_ERXFR_EL1),
+	RAZ_WI(SYS_ERXCTLR_EL1),
+	RAZ_WI(SYS_ERXSTATUS_EL1),
+	RAZ_WI(SYS_ERXADDR_EL1),
+	RAZ_WI(SYS_ERXMISC0_EL1),
+	RAZ_WI(SYS_ERXMISC1_EL1),
+
+	/* Performance Monitoring Registers are restricted. */
+
+	/* Limited Ordering Regions Registers are restricted. */
+
+	HOST_HANDLED(SYS_ICC_SGI1R_EL1),
+	HOST_HANDLED(SYS_ICC_ASGI1R_EL1),
+	HOST_HANDLED(SYS_ICC_SGI0R_EL1),
+	{ SYS_DESC(SYS_ICC_SRE_EL1), .access = pvm_gic_read_sre, },
+
+	HOST_HANDLED(SYS_CCSIDR_EL1),
+	HOST_HANDLED(SYS_CLIDR_EL1),
+	HOST_HANDLED(SYS_CSSELR_EL1),
+	HOST_HANDLED(SYS_CTR_EL0),
+
+	/* Performance Monitoring Registers are restricted. */
+
+	/* Activity Monitoring Registers are restricted. */
+
+	HOST_HANDLED(SYS_CNTP_TVAL_EL0),
+	HOST_HANDLED(SYS_CNTP_CTL_EL0),
+	HOST_HANDLED(SYS_CNTP_CVAL_EL0),
+
+	/* Performance Monitoring Registers are restricted. */
+};
+
+/* A structure to track reset values for system registers in protected vcpus. */
+struct sys_reg_desc_reset {
+	/* Index into sys_reg[]. */
+	int reg;
+
+	/* Reset function. */
+	void (*reset)(struct kvm_vcpu *, const struct sys_reg_desc_reset *);
+
+	/* Reset value. */
+	u64 value;
+};
+
+static void reset_actlr(struct kvm_vcpu *vcpu, const struct sys_reg_desc_reset *r)
+{
+	__vcpu_sys_reg(vcpu, r->reg) = read_sysreg(actlr_el1);
+}
+
+static void reset_amair_el1(struct kvm_vcpu *vcpu, const struct sys_reg_desc_reset *r)
+{
+	__vcpu_sys_reg(vcpu, r->reg) = read_sysreg(amair_el1);
+}
+
+static void reset_mpidr(struct kvm_vcpu *vcpu, const struct sys_reg_desc_reset *r)
+{
+	__vcpu_sys_reg(vcpu, r->reg) = calculate_mpidr(vcpu);
+}
+
+static void reset_value(struct kvm_vcpu *vcpu, const struct sys_reg_desc_reset *r)
+{
+	__vcpu_sys_reg(vcpu, r->reg) = r->value;
+}
+
+/* Specify the register's reset value. */
+#define RESET_VAL(REG, RESET_VAL) {  REG, reset_value, RESET_VAL }
+
+/* Specify a function that calculates the register's reset value. */
+#define RESET_FUNC(REG, RESET_FUNC) {  REG, RESET_FUNC, 0 }
+
+/*
+ * Architected system registers reset values for Protected VMs.
+ * Important: Must be sorted ascending by REG (index into sys_reg[])
+ */
+static const struct sys_reg_desc_reset pvm_sys_reg_reset_vals[] = {
+	RESET_FUNC(MPIDR_EL1, reset_mpidr),
+	RESET_VAL(SCTLR_EL1, 0x00C50078),
+	RESET_FUNC(ACTLR_EL1, reset_actlr),
+	RESET_VAL(CPACR_EL1, 0),
+	RESET_VAL(TCR_EL1, 0),
+	RESET_VAL(VBAR_EL1, 0),
+	RESET_VAL(CONTEXTIDR_EL1, 0),
+	RESET_FUNC(AMAIR_EL1, reset_amair_el1),
+	RESET_VAL(CNTKCTL_EL1, 0),
+	RESET_VAL(DISR_EL1, 0),
+};
+
+/*
+ * Sets system registers to reset value
+ *
+ * This function finds the right entry and sets the registers on the protected
+ * vcpu to their architecturally defined reset values.
+ */
+void kvm_reset_pvm_sys_regs(struct kvm_vcpu *vcpu)
+{
+	unsigned long i;
+
+	for (i = 0; i < ARRAY_SIZE(pvm_sys_reg_reset_vals); i++) {
+		const struct sys_reg_desc_reset *r = &pvm_sys_reg_reset_vals[i];
+
+		r->reset(vcpu, r);
+	}
+}
+
+/*
+ * Checks that the sysreg tables are unique and in-order.
+ *
+ * Returns 0 if the table is consistent, or 1 otherwise.
+ */
+int kvm_check_pvm_sysreg_table(void)
+{
+	unsigned int i;
+
+	for (i = 1; i < ARRAY_SIZE(pvm_sys_reg_descs); i++) {
+		if (cmp_sys_reg(&pvm_sys_reg_descs[i-1], &pvm_sys_reg_descs[i]) >= 0)
+			return 1;
+	}
+
+	for (i = 1; i < ARRAY_SIZE(pvm_sys_reg_reset_vals); i++) {
+		if (pvm_sys_reg_reset_vals[i-1].reg >= pvm_sys_reg_reset_vals[i].reg)
+			return 1;
+	}
+
+	return 0;
+}
+
+/*
+ * Handler for protected VM MSR, MRS or System instruction execution.
+ *
+ * Returns true if the hypervisor has handled the exit, and control should go
+ * back to the guest, or false if it hasn't, to be handled by the host.
+ */
+bool kvm_handle_pvm_sysreg(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	const struct sys_reg_desc *r;
+	struct sys_reg_params params;
+	unsigned long esr = kvm_vcpu_get_esr(vcpu);
+	int Rt = kvm_vcpu_sys_get_rt(vcpu);
+
+	params = esr_sys64_to_params(esr);
+	params.regval = vcpu_get_reg(vcpu, Rt);
+
+	r = find_reg(&params, pvm_sys_reg_descs, ARRAY_SIZE(pvm_sys_reg_descs));
+
+	/* Undefined (RESTRICTED). */
+	if (r == NULL) {
+		inject_undef64(vcpu);
+		return true;
+	}
+
+	/* Handled by the host (HOST_HANDLED) */
+	if (r->access == NULL)
+		return false;
+
+	/* Handled by hyp: skip instruction if instructed to do so. */
+	if (r->access(vcpu, &params, r))
+		__kvm_skip_instr(vcpu);
+
+	if (!params.is_write)
+		vcpu_set_reg(vcpu, Rt, params.regval);
+
+	return true;
+}
+
+/*
+ * Handler for protected VM restricted exceptions.
+ *
+ * Inject an undefined exception into the guest and return true to indicate that
+ * the hypervisor has handled the exit, and control should go back to the guest.
+ */
+bool kvm_handle_pvm_restricted(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+	inject_undef64(vcpu);
+	return true;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c b/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c
index 88a25fc..2930502 100644
--- a/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c
+++ b/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c
@@ -33,14 +33,3 @@
 	__sysreg_restore_user_state(ctxt);
 	__sysreg_restore_el2_return_state(ctxt);
 }
-
-void __kvm_enable_ssbs(void)
-{
-	u64 tmp;
-
-	asm volatile(
-	"mrs	%0, sctlr_el2\n"
-	"orr	%0, %0, %1\n"
-	"msr	sctlr_el2, %0"
-	: "=&r" (tmp) : "L" (SCTLR_ELx_DSSBS));
-}
diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c
index 229b067..ab6d25b 100644
--- a/arch/arm64/kvm/hyp/nvhe/tlb.c
+++ b/arch/arm64/kvm/hyp/nvhe/tlb.c
@@ -8,49 +8,117 @@
 #include <asm/kvm_mmu.h>
 #include <asm/tlbflush.h>
 
+#include <nvhe/mem_protect.h>
+
 struct tlb_inv_context {
-	u64		tcr;
+	struct kvm_s2_mmu	*mmu;
+	u64			tcr;
+	u64			sctlr;
 };
 
-static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu,
-				  struct tlb_inv_context *cxt)
+static void enter_vmid_context(struct kvm_s2_mmu *mmu,
+			       struct tlb_inv_context *cxt)
 {
+	struct kvm_s2_mmu *host_mmu = &host_kvm.arch.mmu;
+	struct kvm_cpu_context *host_ctxt;
+	struct kvm_vcpu *vcpu;
+
+	host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+	vcpu = host_ctxt->__hyp_running_vcpu;
+	cxt->mmu = NULL;
+
+	/*
+	 * If we're already in the desired context, then there's nothing
+	 * to do.
+	 */
+	if (vcpu) {
+		/* We're in guest context */
+		if (mmu == vcpu->arch.hw_mmu || WARN_ON(mmu != host_mmu))
+			return;
+
+		cxt->mmu = vcpu->arch.hw_mmu;
+	} else {
+		/* We're in host context */
+		if (mmu == host_mmu)
+			return;
+
+		cxt->mmu = host_mmu;
+	}
+
 	if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
 		u64 val;
 
 		/*
 		 * For CPUs that are affected by ARM 1319367, we need to
-		 * avoid a host Stage-1 walk while we have the guest's
-		 * VMID set in the VTTBR in order to invalidate TLBs.
-		 * We're guaranteed that the S1 MMU is enabled, so we can
-		 * simply set the EPD bits to avoid any further TLB fill.
+		 * avoid a Stage-1 walk with the old VMID while we have
+		 * the new VMID set in the VTTBR in order to invalidate TLBs.
+		 * We're guaranteed that the host S1 MMU is enabled, so
+		 * we can simply set the EPD bits to avoid any further
+		 * TLB fill. For guests, we ensure that the S1 MMU is
+		 * temporarily enabled in the next context.
 		 */
 		val = cxt->tcr = read_sysreg_el1(SYS_TCR);
 		val |= TCR_EPD1_MASK | TCR_EPD0_MASK;
 		write_sysreg_el1(val, SYS_TCR);
 		isb();
+
+		if (vcpu) {
+			val = cxt->sctlr = read_sysreg_el1(SYS_SCTLR);
+			if (!(val & SCTLR_ELx_M)) {
+				val |= SCTLR_ELx_M;
+				write_sysreg_el1(val, SYS_SCTLR);
+				isb();
+			}
+		} else {
+			/* The host S1 MMU is always enabled. */
+			cxt->sctlr = SCTLR_ELx_M;
+		}
 	}
 
 	/*
-	 * __load_guest_stage2() includes an ISB only when the AT
+	 * __load_stage2() includes an ISB only when the AT
 	 * workaround is applied. Take care of the opposite condition,
 	 * ensuring that we always have an ISB, but not two ISBs back
 	 * to back.
 	 */
-	__load_guest_stage2(mmu);
+	if (vcpu)
+		__load_host_stage2();
+	else
+		__load_stage2(mmu, kern_hyp_va(mmu->arch));
+
 	asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT));
 }
 
-static void __tlb_switch_to_host(struct tlb_inv_context *cxt)
+static void exit_vmid_context(struct tlb_inv_context *cxt)
 {
-	write_sysreg(0, vttbr_el2);
+	struct kvm_s2_mmu *mmu = cxt->mmu;
+	struct kvm_cpu_context *host_ctxt;
+	struct kvm_vcpu *vcpu;
+
+	host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+	vcpu = host_ctxt->__hyp_running_vcpu;
+
+	if (!mmu)
+		return;
+
+	if (vcpu)
+		__load_stage2(mmu, kern_hyp_va(mmu->arch));
+	else
+		__load_host_stage2();
 
 	if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
-		/* Ensure write of the host VMID */
+		/* Ensure write of the old VMID */
 		isb();
-		/* Restore the host's TCR_EL1 */
+
+		if (!(cxt->sctlr & SCTLR_ELx_M)) {
+			write_sysreg_el1(cxt->sctlr, SYS_SCTLR);
+			isb();
+		}
+
 		write_sysreg_el1(cxt->tcr, SYS_TCR);
 	}
+
+	cxt->mmu = NULL;
 }
 
 void __kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu,
@@ -61,7 +129,7 @@
 	dsb(ishst);
 
 	/* Switch to requested VMID */
-	__tlb_switch_to_guest(mmu, &cxt);
+	enter_vmid_context(mmu, &cxt);
 
 	/*
 	 * We could do so much better if we had the VA as well.
@@ -102,9 +170,9 @@
 	 * you should be running with VHE enabled.
 	 */
 	if (icache_is_vpipt())
-		__flush_icache_all();
+		icache_inval_all_pou();
 
-	__tlb_switch_to_host(&cxt);
+	exit_vmid_context(&cxt);
 }
 
 void __kvm_tlb_flush_vmid(struct kvm_s2_mmu *mmu)
@@ -114,13 +182,13 @@
 	dsb(ishst);
 
 	/* Switch to requested VMID */
-	__tlb_switch_to_guest(mmu, &cxt);
+	enter_vmid_context(mmu, &cxt);
 
 	__tlbi(vmalls12e1is);
 	dsb(ish);
 	isb();
 
-	__tlb_switch_to_host(&cxt);
+	exit_vmid_context(&cxt);
 }
 
 void __kvm_flush_cpu_context(struct kvm_s2_mmu *mmu)
@@ -128,14 +196,14 @@
 	struct tlb_inv_context cxt;
 
 	/* Switch to requested VMID */
-	__tlb_switch_to_guest(mmu, &cxt);
+	enter_vmid_context(mmu, &cxt);
 
 	__tlbi(vmalle1);
 	asm volatile("ic iallu");
 	dsb(nsh);
 	isb();
 
-	__tlb_switch_to_host(&cxt);
+	exit_vmid_context(&cxt);
 }
 
 void __kvm_flush_vm_context(void)
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index 4d99d07..03bdf4f5 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -9,19 +9,14 @@
 
 #include <linux/bitfield.h>
 #include <asm/kvm_pgtable.h>
+#include <asm/stage2_pgtable.h>
 
-#define KVM_PGTABLE_MAX_LEVELS		4U
-
-#define KVM_PTE_VALID			BIT(0)
 
 #define KVM_PTE_TYPE			BIT(1)
 #define KVM_PTE_TYPE_BLOCK		0
 #define KVM_PTE_TYPE_PAGE		1
 #define KVM_PTE_TYPE_TABLE		1
 
-#define KVM_PTE_ADDR_MASK		GENMASK(47, PAGE_SHIFT)
-#define KVM_PTE_ADDR_51_48		GENMASK(15, 12)
-
 #define KVM_PTE_LEAF_ATTR_LO		GENMASK(11, 2)
 
 #define KVM_PTE_LEAF_ATTR_LO_S1_ATTRIDX	GENMASK(4, 2)
@@ -41,10 +36,16 @@
 
 #define KVM_PTE_LEAF_ATTR_HI		GENMASK(63, 51)
 
+#define KVM_PTE_LEAF_ATTR_HI_SW		GENMASK(58, 55)
+
 #define KVM_PTE_LEAF_ATTR_HI_S1_XN	BIT(54)
 
 #define KVM_PTE_LEAF_ATTR_HI_S2_XN	BIT(54)
 
+#define KVM_PTE_LEAF_ATTR_S2_PERMS	(KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R | \
+					 KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W | \
+					 KVM_PTE_LEAF_ATTR_HI_S2_XN)
+
 struct kvm_pgtable_walk_data {
 	struct kvm_pgtable		*pgt;
 	struct kvm_pgtable_walker	*walker;
@@ -53,32 +54,27 @@
 	u64				end;
 };
 
-static u64 kvm_granule_shift(u32 level)
-{
-	/* Assumes KVM_PGTABLE_MAX_LEVELS is 4 */
-	return ARM64_HW_PGTABLE_LEVEL_SHIFT(level);
-}
+#define KVM_PHYS_INVALID (-1ULL)
 
-static u64 kvm_granule_size(u32 level)
+static bool kvm_phys_is_valid(u64 phys)
 {
-	return BIT(kvm_granule_shift(level));
+	return phys < BIT(id_aa64mmfr0_parange_to_phys_shift(ID_AA64MMFR0_PARANGE_MAX));
 }
 
 static bool kvm_block_mapping_supported(u64 addr, u64 end, u64 phys, u32 level)
 {
 	u64 granule = kvm_granule_size(level);
 
-	/*
-	 * Reject invalid block mappings and don't bother with 4TB mappings for
-	 * 52-bit PAs.
-	 */
-	if (level == 0 || (PAGE_SIZE != SZ_4K && level == 1))
+	if (!kvm_level_supports_block_mapping(level))
 		return false;
 
 	if (granule > (end - addr))
 		return false;
 
-	return IS_ALIGNED(addr, granule) && IS_ALIGNED(phys, granule);
+	if (kvm_phys_is_valid(phys) && !IS_ALIGNED(phys, granule))
+		return false;
+
+	return IS_ALIGNED(addr, granule);
 }
 
 static u32 kvm_pgtable_idx(struct kvm_pgtable_walk_data *data, u32 level)
@@ -112,11 +108,6 @@
 	return __kvm_pgd_page_idx(&pgt, -1ULL) + 1;
 }
 
-static bool kvm_pte_valid(kvm_pte_t pte)
-{
-	return pte & KVM_PTE_VALID;
-}
-
 static bool kvm_pte_table(kvm_pte_t pte, u32 level)
 {
 	if (level == KVM_PGTABLE_MAX_LEVELS - 1)
@@ -128,16 +119,6 @@
 	return FIELD_GET(KVM_PTE_TYPE, pte) == KVM_PTE_TYPE_TABLE;
 }
 
-static u64 kvm_pte_to_phys(kvm_pte_t pte)
-{
-	u64 pa = pte & KVM_PTE_ADDR_MASK;
-
-	if (PAGE_SHIFT == 16)
-		pa |= FIELD_GET(KVM_PTE_ADDR_51_48, pte) << 48;
-
-	return pa;
-}
-
 static kvm_pte_t kvm_phys_to_pte(u64 pa)
 {
 	kvm_pte_t pte = pa & KVM_PTE_ADDR_MASK;
@@ -148,20 +129,20 @@
 	return pte;
 }
 
-static kvm_pte_t *kvm_pte_follow(kvm_pte_t pte)
+static kvm_pte_t *kvm_pte_follow(kvm_pte_t pte, struct kvm_pgtable_mm_ops *mm_ops)
 {
-	return __va(kvm_pte_to_phys(pte));
+	return mm_ops->phys_to_virt(kvm_pte_to_phys(pte));
 }
 
-static void kvm_set_invalid_pte(kvm_pte_t *ptep)
+static void kvm_clear_pte(kvm_pte_t *ptep)
 {
-	kvm_pte_t pte = *ptep;
-	WRITE_ONCE(*ptep, pte & ~KVM_PTE_VALID);
+	WRITE_ONCE(*ptep, 0);
 }
 
-static void kvm_set_table_pte(kvm_pte_t *ptep, kvm_pte_t *childp)
+static void kvm_set_table_pte(kvm_pte_t *ptep, kvm_pte_t *childp,
+			      struct kvm_pgtable_mm_ops *mm_ops)
 {
-	kvm_pte_t old = *ptep, pte = kvm_phys_to_pte(__pa(childp));
+	kvm_pte_t old = *ptep, pte = kvm_phys_to_pte(mm_ops->virt_to_phys(childp));
 
 	pte |= FIELD_PREP(KVM_PTE_TYPE, KVM_PTE_TYPE_TABLE);
 	pte |= KVM_PTE_VALID;
@@ -170,10 +151,9 @@
 	smp_store_release(ptep, pte);
 }
 
-static bool kvm_set_valid_leaf_pte(kvm_pte_t *ptep, u64 pa, kvm_pte_t attr,
-				   u32 level)
+static kvm_pte_t kvm_init_valid_leaf_pte(u64 pa, kvm_pte_t attr, u32 level)
 {
-	kvm_pte_t old = *ptep, pte = kvm_phys_to_pte(pa);
+	kvm_pte_t pte = kvm_phys_to_pte(pa);
 	u64 type = (level == KVM_PGTABLE_MAX_LEVELS - 1) ? KVM_PTE_TYPE_PAGE :
 							   KVM_PTE_TYPE_BLOCK;
 
@@ -181,12 +161,7 @@
 	pte |= FIELD_PREP(KVM_PTE_TYPE, type);
 	pte |= KVM_PTE_VALID;
 
-	/* Tolerate KVM recreating the exact same mapping. */
-	if (kvm_pte_valid(old))
-		return old == pte;
-
-	smp_store_release(ptep, pte);
-	return true;
+	return pte;
 }
 
 static int kvm_pgtable_visitor_cb(struct kvm_pgtable_walk_data *data, u64 addr,
@@ -230,7 +205,7 @@
 		goto out;
 	}
 
-	childp = kvm_pte_follow(pte);
+	childp = kvm_pte_follow(pte, data->pgt->mm_ops);
 	ret = __kvm_pgtable_walk(data, childp, level + 1);
 	if (ret)
 		goto out;
@@ -304,13 +279,52 @@
 	return _kvm_pgtable_walk(&walk_data);
 }
 
-struct hyp_map_data {
-	u64		phys;
-	kvm_pte_t	attr;
+struct leaf_walk_data {
+	kvm_pte_t	pte;
+	u32		level;
 };
 
-static int hyp_map_set_prot_attr(enum kvm_pgtable_prot prot,
-				 struct hyp_map_data *data)
+static int leaf_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
+		       enum kvm_pgtable_walk_flags flag, void * const arg)
+{
+	struct leaf_walk_data *data = arg;
+
+	data->pte   = *ptep;
+	data->level = level;
+
+	return 0;
+}
+
+int kvm_pgtable_get_leaf(struct kvm_pgtable *pgt, u64 addr,
+			 kvm_pte_t *ptep, u32 *level)
+{
+	struct leaf_walk_data data;
+	struct kvm_pgtable_walker walker = {
+		.cb	= leaf_walker,
+		.flags	= KVM_PGTABLE_WALK_LEAF,
+		.arg	= &data,
+	};
+	int ret;
+
+	ret = kvm_pgtable_walk(pgt, ALIGN_DOWN(addr, PAGE_SIZE),
+			       PAGE_SIZE, &walker);
+	if (!ret) {
+		if (ptep)
+			*ptep  = data.pte;
+		if (level)
+			*level = data.level;
+	}
+
+	return ret;
+}
+
+struct hyp_map_data {
+	u64				phys;
+	kvm_pte_t			attr;
+	struct kvm_pgtable_mm_ops	*mm_ops;
+};
+
+static int hyp_set_prot_attr(enum kvm_pgtable_prot prot, kvm_pte_t *ptep)
 {
 	bool device = prot & KVM_PGTABLE_PROT_DEVICE;
 	u32 mtype = device ? MT_DEVICE_nGnRE : MT_NORMAL;
@@ -335,20 +349,51 @@
 	attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S1_AP, ap);
 	attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S1_SH, sh);
 	attr |= KVM_PTE_LEAF_ATTR_LO_S1_AF;
-	data->attr = attr;
+	attr |= prot & KVM_PTE_LEAF_ATTR_HI_SW;
+	*ptep = attr;
+
 	return 0;
 }
 
+enum kvm_pgtable_prot kvm_pgtable_hyp_pte_prot(kvm_pte_t pte)
+{
+	enum kvm_pgtable_prot prot = pte & KVM_PTE_LEAF_ATTR_HI_SW;
+	u32 ap;
+
+	if (!kvm_pte_valid(pte))
+		return prot;
+
+	if (!(pte & KVM_PTE_LEAF_ATTR_HI_S1_XN))
+		prot |= KVM_PGTABLE_PROT_X;
+
+	ap = FIELD_GET(KVM_PTE_LEAF_ATTR_LO_S1_AP, pte);
+	if (ap == KVM_PTE_LEAF_ATTR_LO_S1_AP_RO)
+		prot |= KVM_PGTABLE_PROT_R;
+	else if (ap == KVM_PTE_LEAF_ATTR_LO_S1_AP_RW)
+		prot |= KVM_PGTABLE_PROT_RW;
+
+	return prot;
+}
+
 static bool hyp_map_walker_try_leaf(u64 addr, u64 end, u32 level,
 				    kvm_pte_t *ptep, struct hyp_map_data *data)
 {
+	kvm_pte_t new, old = *ptep;
 	u64 granule = kvm_granule_size(level), phys = data->phys;
 
 	if (!kvm_block_mapping_supported(addr, end, phys, level))
 		return false;
 
-	WARN_ON(!kvm_set_valid_leaf_pte(ptep, phys, data->attr, level));
 	data->phys += granule;
+	new = kvm_init_valid_leaf_pte(phys, data->attr, level);
+	if (old == new)
+		return true;
+	if (!kvm_pte_valid(old))
+		data->mm_ops->get_page(ptep);
+	else if (WARN_ON((old ^ new) & ~KVM_PTE_LEAF_ATTR_HI_SW))
+		return false;
+
+	smp_store_release(ptep, new);
 	return true;
 }
 
@@ -356,6 +401,8 @@
 			  enum kvm_pgtable_walk_flags flag, void * const arg)
 {
 	kvm_pte_t *childp;
+	struct hyp_map_data *data = arg;
+	struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
 
 	if (hyp_map_walker_try_leaf(addr, end, level, ptep, arg))
 		return 0;
@@ -363,11 +410,12 @@
 	if (WARN_ON(level == KVM_PGTABLE_MAX_LEVELS - 1))
 		return -EINVAL;
 
-	childp = (kvm_pte_t *)get_zeroed_page(GFP_KERNEL);
+	childp = (kvm_pte_t *)mm_ops->zalloc_page(NULL);
 	if (!childp)
 		return -ENOMEM;
 
-	kvm_set_table_pte(ptep, childp);
+	kvm_set_table_pte(ptep, childp, mm_ops);
+	mm_ops->get_page(ptep);
 	return 0;
 }
 
@@ -377,6 +425,7 @@
 	int ret;
 	struct hyp_map_data map_data = {
 		.phys	= ALIGN_DOWN(phys, PAGE_SIZE),
+		.mm_ops	= pgt->mm_ops,
 	};
 	struct kvm_pgtable_walker walker = {
 		.cb	= hyp_map_walker,
@@ -384,7 +433,7 @@
 		.arg	= &map_data,
 	};
 
-	ret = hyp_map_set_prot_attr(prot, &map_data);
+	ret = hyp_set_prot_attr(prot, &map_data.attr);
 	if (ret)
 		return ret;
 
@@ -394,24 +443,101 @@
 	return ret;
 }
 
-int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits)
+struct hyp_unmap_data {
+	u64				unmapped;
+	struct kvm_pgtable_mm_ops	*mm_ops;
+};
+
+static int hyp_unmap_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
+			    enum kvm_pgtable_walk_flags flag, void * const arg)
+{
+	kvm_pte_t pte = *ptep, *childp = NULL;
+	u64 granule = kvm_granule_size(level);
+	struct hyp_unmap_data *data = arg;
+	struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
+
+	if (!kvm_pte_valid(pte))
+		return -EINVAL;
+
+	if (kvm_pte_table(pte, level)) {
+		childp = kvm_pte_follow(pte, mm_ops);
+
+		if (mm_ops->page_count(childp) != 1)
+			return 0;
+
+		kvm_clear_pte(ptep);
+		dsb(ishst);
+		__tlbi_level(vae2is, __TLBI_VADDR(addr, 0), level);
+	} else {
+		if (end - addr < granule)
+			return -EINVAL;
+
+		kvm_clear_pte(ptep);
+		dsb(ishst);
+		__tlbi_level(vale2is, __TLBI_VADDR(addr, 0), level);
+		data->unmapped += granule;
+	}
+
+	dsb(ish);
+	isb();
+	mm_ops->put_page(ptep);
+
+	if (childp)
+		mm_ops->put_page(childp);
+
+	return 0;
+}
+
+u64 kvm_pgtable_hyp_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size)
+{
+	struct hyp_unmap_data unmap_data = {
+		.mm_ops	= pgt->mm_ops,
+	};
+	struct kvm_pgtable_walker walker = {
+		.cb	= hyp_unmap_walker,
+		.arg	= &unmap_data,
+		.flags	= KVM_PGTABLE_WALK_LEAF | KVM_PGTABLE_WALK_TABLE_POST,
+	};
+
+	if (!pgt->mm_ops->page_count)
+		return 0;
+
+	kvm_pgtable_walk(pgt, addr, size, &walker);
+	return unmap_data.unmapped;
+}
+
+int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits,
+			 struct kvm_pgtable_mm_ops *mm_ops)
 {
 	u64 levels = ARM64_HW_PGTABLE_LEVELS(va_bits);
 
-	pgt->pgd = (kvm_pte_t *)get_zeroed_page(GFP_KERNEL);
+	pgt->pgd = (kvm_pte_t *)mm_ops->zalloc_page(NULL);
 	if (!pgt->pgd)
 		return -ENOMEM;
 
 	pgt->ia_bits		= va_bits;
 	pgt->start_level	= KVM_PGTABLE_MAX_LEVELS - levels;
+	pgt->mm_ops		= mm_ops;
 	pgt->mmu		= NULL;
+	pgt->force_pte_cb	= NULL;
+
 	return 0;
 }
 
 static int hyp_free_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
 			   enum kvm_pgtable_walk_flags flag, void * const arg)
 {
-	free_page((unsigned long)kvm_pte_follow(*ptep));
+	struct kvm_pgtable_mm_ops *mm_ops = arg;
+	kvm_pte_t pte = *ptep;
+
+	if (!kvm_pte_valid(pte))
+		return 0;
+
+	mm_ops->put_page(ptep);
+
+	if (kvm_pte_table(pte, level))
+		mm_ops->put_page(kvm_pte_follow(pte, mm_ops));
+
 	return 0;
 }
 
@@ -419,30 +545,79 @@
 {
 	struct kvm_pgtable_walker walker = {
 		.cb	= hyp_free_walker,
-		.flags	= KVM_PGTABLE_WALK_TABLE_POST,
+		.flags	= KVM_PGTABLE_WALK_LEAF | KVM_PGTABLE_WALK_TABLE_POST,
+		.arg	= pgt->mm_ops,
 	};
 
 	WARN_ON(kvm_pgtable_walk(pgt, 0, BIT(pgt->ia_bits), &walker));
-	free_page((unsigned long)pgt->pgd);
+	pgt->mm_ops->put_page(pgt->pgd);
 	pgt->pgd = NULL;
 }
 
 struct stage2_map_data {
 	u64				phys;
 	kvm_pte_t			attr;
+	u64				annotation;
 
 	kvm_pte_t			*anchor;
+	kvm_pte_t			*childp;
 
 	struct kvm_s2_mmu		*mmu;
-	struct kvm_mmu_memory_cache	*memcache;
+	void				*memcache;
+
+	struct kvm_pgtable_mm_ops	*mm_ops;
+
+	/* Force mappings to page granularity */
+	bool				force_pte;
 };
 
-static int stage2_map_set_prot_attr(enum kvm_pgtable_prot prot,
-				    struct stage2_map_data *data)
+u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift)
+{
+	u64 vtcr = VTCR_EL2_FLAGS;
+	u8 lvls;
+
+	vtcr |= kvm_get_parange(mmfr0) << VTCR_EL2_PS_SHIFT;
+	vtcr |= VTCR_EL2_T0SZ(phys_shift);
+	/*
+	 * Use a minimum 2 level page table to prevent splitting
+	 * host PMD huge pages at stage2.
+	 */
+	lvls = stage2_pgtable_levels(phys_shift);
+	if (lvls < 2)
+		lvls = 2;
+	vtcr |= VTCR_EL2_LVLS_TO_SL0(lvls);
+
+	/*
+	 * Enable the Hardware Access Flag management, unconditionally
+	 * on all CPUs. The features is RES0 on CPUs without the support
+	 * and must be ignored by the CPUs.
+	 */
+	vtcr |= VTCR_EL2_HA;
+
+	/* Set the vmid bits */
+	vtcr |= (get_vmid_bits(mmfr1) == 16) ?
+		VTCR_EL2_VS_16BIT :
+		VTCR_EL2_VS_8BIT;
+
+	return vtcr;
+}
+
+static bool stage2_has_fwb(struct kvm_pgtable *pgt)
+{
+	if (!cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
+		return false;
+
+	return !(pgt->flags & KVM_PGTABLE_S2_NOFWB);
+}
+
+#define KVM_S2_MEMATTR(pgt, attr) PAGE_S2_MEMATTR(attr, stage2_has_fwb(pgt))
+
+static int stage2_set_prot_attr(struct kvm_pgtable *pgt, enum kvm_pgtable_prot prot,
+				kvm_pte_t *ptep)
 {
 	bool device = prot & KVM_PGTABLE_PROT_DEVICE;
-	kvm_pte_t attr = device ? PAGE_S2_MEMATTR(DEVICE_nGnRE) :
-			    PAGE_S2_MEMATTR(NORMAL);
+	kvm_pte_t attr = device ? KVM_S2_MEMATTR(pgt, DEVICE_nGnRE) :
+			    KVM_S2_MEMATTR(pgt, NORMAL);
 	u32 sh = KVM_PTE_LEAF_ATTR_LO_S2_SH_IS;
 
 	if (!(prot & KVM_PGTABLE_PROT_X))
@@ -458,38 +633,134 @@
 
 	attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S2_SH, sh);
 	attr |= KVM_PTE_LEAF_ATTR_LO_S2_AF;
-	data->attr = attr;
+	attr |= prot & KVM_PTE_LEAF_ATTR_HI_SW;
+	*ptep = attr;
+
 	return 0;
 }
 
-static bool stage2_map_walker_try_leaf(u64 addr, u64 end, u32 level,
-				       kvm_pte_t *ptep,
-				       struct stage2_map_data *data)
+enum kvm_pgtable_prot kvm_pgtable_stage2_pte_prot(kvm_pte_t pte)
 {
-	u64 granule = kvm_granule_size(level), phys = data->phys;
+	enum kvm_pgtable_prot prot = pte & KVM_PTE_LEAF_ATTR_HI_SW;
 
-	if (!kvm_block_mapping_supported(addr, end, phys, level))
+	if (!kvm_pte_valid(pte))
+		return prot;
+
+	if (pte & KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R)
+		prot |= KVM_PGTABLE_PROT_R;
+	if (pte & KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W)
+		prot |= KVM_PGTABLE_PROT_W;
+	if (!(pte & KVM_PTE_LEAF_ATTR_HI_S2_XN))
+		prot |= KVM_PGTABLE_PROT_X;
+
+	return prot;
+}
+
+static bool stage2_pte_needs_update(kvm_pte_t old, kvm_pte_t new)
+{
+	if (!kvm_pte_valid(old) || !kvm_pte_valid(new))
+		return true;
+
+	return ((old ^ new) & (~KVM_PTE_LEAF_ATTR_S2_PERMS));
+}
+
+static bool stage2_pte_is_counted(kvm_pte_t pte)
+{
+	/*
+	 * The refcount tracks valid entries as well as invalid entries if they
+	 * encode ownership of a page to another entity than the page-table
+	 * owner, whose id is 0.
+	 */
+	return !!pte;
+}
+
+static void stage2_put_pte(kvm_pte_t *ptep, struct kvm_s2_mmu *mmu, u64 addr,
+			   u32 level, struct kvm_pgtable_mm_ops *mm_ops)
+{
+	/*
+	 * Clear the existing PTE, and perform break-before-make with
+	 * TLB maintenance if it was valid.
+	 */
+	if (kvm_pte_valid(*ptep)) {
+		kvm_clear_pte(ptep);
+		kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu, addr, level);
+	}
+
+	mm_ops->put_page(ptep);
+}
+
+static bool stage2_pte_cacheable(struct kvm_pgtable *pgt, kvm_pte_t pte)
+{
+	u64 memattr = pte & KVM_PTE_LEAF_ATTR_LO_S2_MEMATTR;
+	return kvm_pte_valid(pte) && memattr == KVM_S2_MEMATTR(pgt, NORMAL);
+}
+
+static bool stage2_pte_executable(kvm_pte_t pte)
+{
+	return kvm_pte_valid(pte) && !(pte & KVM_PTE_LEAF_ATTR_HI_S2_XN);
+}
+
+static bool stage2_leaf_mapping_allowed(u64 addr, u64 end, u32 level,
+					struct stage2_map_data *data)
+{
+	if (data->force_pte && (level < (KVM_PGTABLE_MAX_LEVELS - 1)))
 		return false;
 
-	/*
-	 * If the PTE was already valid, drop the refcount on the table
-	 * early, as it will be bumped-up again in stage2_map_walk_leaf().
-	 * This ensures that the refcount stays constant across a valid to
-	 * valid PTE update.
-	 */
-	if (kvm_pte_valid(*ptep))
-		put_page(virt_to_page(ptep));
+	return kvm_block_mapping_supported(addr, end, data->phys, level);
+}
 
-	if (kvm_set_valid_leaf_pte(ptep, phys, data->attr, level))
-		goto out;
+static int stage2_map_walker_try_leaf(u64 addr, u64 end, u32 level,
+				      kvm_pte_t *ptep,
+				      struct stage2_map_data *data)
+{
+	kvm_pte_t new, old = *ptep;
+	u64 granule = kvm_granule_size(level), phys = data->phys;
+	struct kvm_pgtable *pgt = data->mmu->pgt;
+	struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
 
-	/* There's an existing valid leaf entry, so perform break-before-make */
-	kvm_set_invalid_pte(ptep);
-	kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, data->mmu, addr, level);
-	kvm_set_valid_leaf_pte(ptep, phys, data->attr, level);
-out:
-	data->phys += granule;
-	return true;
+	if (!stage2_leaf_mapping_allowed(addr, end, level, data))
+		return -E2BIG;
+
+	if (kvm_phys_is_valid(phys))
+		new = kvm_init_valid_leaf_pte(phys, data->attr, level);
+	else
+		new = data->annotation;
+
+	if (stage2_pte_is_counted(old)) {
+		/*
+		 * Skip updating the PTE if we are trying to recreate the exact
+		 * same mapping or only change the access permissions. Instead,
+		 * the vCPU will exit one more time from guest if still needed
+		 * and then go through the path of relaxing permissions.
+		 */
+		if (!stage2_pte_needs_update(old, new))
+			return -EAGAIN;
+
+		/*
+		 * If we're only changing software bits, then we don't need to
+		 * do anything else/
+		 */
+		if (!((old ^ new) & ~KVM_PTE_LEAF_ATTR_HI_SW))
+			goto out_set_pte;
+
+		stage2_put_pte(ptep, data->mmu, addr, level, mm_ops);
+	}
+
+	/* Perform CMOs before installation of the guest stage-2 PTE */
+	if (mm_ops->dcache_clean_inval_poc && stage2_pte_cacheable(pgt, new))
+		mm_ops->dcache_clean_inval_poc(kvm_pte_follow(new, mm_ops),
+					       granule);
+	if (mm_ops->icache_inval_pou && stage2_pte_executable(new))
+		mm_ops->icache_inval_pou(kvm_pte_follow(new, mm_ops), granule);
+
+	if (stage2_pte_is_counted(new))
+		mm_ops->get_page(ptep);
+
+out_set_pte:
+	smp_store_release(ptep, new);
+	if (kvm_phys_is_valid(phys))
+		data->phys += granule;
+	return 0;
 }
 
 static int stage2_map_walk_table_pre(u64 addr, u64 end, u32 level,
@@ -499,10 +770,11 @@
 	if (data->anchor)
 		return 0;
 
-	if (!kvm_block_mapping_supported(addr, end, data->phys, level))
+	if (!stage2_leaf_mapping_allowed(addr, end, level, data))
 		return 0;
 
-	kvm_set_invalid_pte(ptep);
+	data->childp = kvm_pte_follow(*ptep, data->mm_ops);
+	kvm_clear_pte(ptep);
 
 	/*
 	 * Invalidate the whole stage-2, as we may have numerous leaf
@@ -517,18 +789,20 @@
 static int stage2_map_walk_leaf(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
 				struct stage2_map_data *data)
 {
+	struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
 	kvm_pte_t *childp, pte = *ptep;
-	struct page *page = virt_to_page(ptep);
+	int ret;
 
 	if (data->anchor) {
-		if (kvm_pte_valid(pte))
-			put_page(page);
+		if (stage2_pte_is_counted(pte))
+			mm_ops->put_page(ptep);
 
 		return 0;
 	}
 
-	if (stage2_map_walker_try_leaf(addr, end, level, ptep, data))
-		goto out_get_page;
+	ret = stage2_map_walker_try_leaf(addr, end, level, ptep, data);
+	if (ret != -E2BIG)
+		return ret;
 
 	if (WARN_ON(level == KVM_PGTABLE_MAX_LEVELS - 1))
 		return -EINVAL;
@@ -536,7 +810,7 @@
 	if (!data->memcache)
 		return -ENOMEM;
 
-	childp = kvm_mmu_memory_cache_alloc(data->memcache);
+	childp = mm_ops->zalloc_page(data->memcache);
 	if (!childp)
 		return -ENOMEM;
 
@@ -545,16 +819,12 @@
 	 * a table. Accesses beyond 'end' that fall within the new table
 	 * will be mapped lazily.
 	 */
-	if (kvm_pte_valid(pte)) {
-		kvm_set_invalid_pte(ptep);
-		kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, data->mmu, addr, level);
-		put_page(page);
-	}
+	if (stage2_pte_is_counted(pte))
+		stage2_put_pte(ptep, data->mmu, addr, level, mm_ops);
 
-	kvm_set_table_pte(ptep, childp);
+	kvm_set_table_pte(ptep, childp, mm_ops);
+	mm_ops->get_page(ptep);
 
-out_get_page:
-	get_page(page);
 	return 0;
 }
 
@@ -562,19 +832,25 @@
 				      kvm_pte_t *ptep,
 				      struct stage2_map_data *data)
 {
+	struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
+	kvm_pte_t *childp;
 	int ret = 0;
 
 	if (!data->anchor)
 		return 0;
 
-	free_page((unsigned long)kvm_pte_follow(*ptep));
-	put_page(virt_to_page(ptep));
-
 	if (data->anchor == ptep) {
+		childp = data->childp;
 		data->anchor = NULL;
+		data->childp = NULL;
 		ret = stage2_map_walk_leaf(addr, end, level, ptep, data);
+	} else {
+		childp = kvm_pte_follow(*ptep, mm_ops);
 	}
 
+	mm_ops->put_page(childp);
+	mm_ops->put_page(ptep);
+
 	return ret;
 }
 
@@ -616,13 +892,15 @@
 
 int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
 			   u64 phys, enum kvm_pgtable_prot prot,
-			   struct kvm_mmu_memory_cache *mc)
+			   void *mc)
 {
 	int ret;
 	struct stage2_map_data map_data = {
 		.phys		= ALIGN_DOWN(phys, PAGE_SIZE),
 		.mmu		= pgt->mmu,
 		.memcache	= mc,
+		.mm_ops		= pgt->mm_ops,
+		.force_pte	= pgt->force_pte_cb && pgt->force_pte_cb(addr, addr + size, prot),
 	};
 	struct kvm_pgtable_walker walker = {
 		.cb		= stage2_map_walker,
@@ -632,7 +910,10 @@
 		.arg		= &map_data,
 	};
 
-	ret = stage2_map_set_prot_attr(prot, &map_data);
+	if (WARN_ON((pgt->flags & KVM_PGTABLE_S2_IDMAP) && (addr != phys)))
+		return -EINVAL;
+
+	ret = stage2_set_prot_attr(pgt, prot, &map_data.attr);
 	if (ret)
 		return ret;
 
@@ -641,38 +922,58 @@
 	return ret;
 }
 
-static void stage2_flush_dcache(void *addr, u64 size)
+int kvm_pgtable_stage2_annotate(struct kvm_pgtable *pgt, u64 addr, u64 size,
+				void *mc, kvm_pte_t annotation)
 {
-	if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
-		return;
+	int ret;
+	struct stage2_map_data map_data = {
+		.phys		= KVM_PHYS_INVALID,
+		.mmu		= pgt->mmu,
+		.memcache	= mc,
+		.mm_ops		= pgt->mm_ops,
+		.force_pte	= true,
+		.annotation	= annotation,
+	};
+	struct kvm_pgtable_walker walker = {
+		.cb		= stage2_map_walker,
+		.flags		= KVM_PGTABLE_WALK_TABLE_PRE |
+				  KVM_PGTABLE_WALK_LEAF |
+				  KVM_PGTABLE_WALK_TABLE_POST,
+		.arg		= &map_data,
+	};
 
-	__flush_dcache_area(addr, size);
-}
+	if (annotation & PTE_VALID)
+		return -EINVAL;
 
-static bool stage2_pte_cacheable(kvm_pte_t pte)
-{
-	u64 memattr = pte & KVM_PTE_LEAF_ATTR_LO_S2_MEMATTR;
-	return memattr == PAGE_S2_MEMATTR(NORMAL);
+	ret = kvm_pgtable_walk(pgt, addr, size, &walker);
+	return ret;
 }
 
 static int stage2_unmap_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
 			       enum kvm_pgtable_walk_flags flag,
 			       void * const arg)
 {
-	struct kvm_s2_mmu *mmu = arg;
+	struct kvm_pgtable *pgt = arg;
+	struct kvm_s2_mmu *mmu = pgt->mmu;
+	struct kvm_pgtable_mm_ops *mm_ops = pgt->mm_ops;
 	kvm_pte_t pte = *ptep, *childp = NULL;
 	bool need_flush = false;
 
-	if (!kvm_pte_valid(pte))
+	if (!kvm_pte_valid(pte)) {
+		if (stage2_pte_is_counted(pte)) {
+			kvm_clear_pte(ptep);
+			mm_ops->put_page(ptep);
+		}
 		return 0;
+	}
 
 	if (kvm_pte_table(pte, level)) {
-		childp = kvm_pte_follow(pte);
+		childp = kvm_pte_follow(pte, mm_ops);
 
-		if (page_count(virt_to_page(childp)) != 1)
+		if (mm_ops->page_count(childp) != 1)
 			return 0;
-	} else if (stage2_pte_cacheable(pte)) {
-		need_flush = true;
+	} else if (stage2_pte_cacheable(pgt, pte)) {
+		need_flush = !stage2_has_fwb(pgt);
 	}
 
 	/*
@@ -680,17 +981,14 @@
 	 * block entry and rely on the remaining portions being faulted
 	 * back lazily.
 	 */
-	kvm_set_invalid_pte(ptep);
-	kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu, addr, level);
-	put_page(virt_to_page(ptep));
+	stage2_put_pte(ptep, mmu, addr, level, mm_ops);
 
-	if (need_flush) {
-		stage2_flush_dcache(kvm_pte_follow(pte),
-				    kvm_granule_size(level));
-	}
+	if (need_flush && mm_ops->dcache_clean_inval_poc)
+		mm_ops->dcache_clean_inval_poc(kvm_pte_follow(pte, mm_ops),
+					       kvm_granule_size(level));
 
 	if (childp)
-		free_page((unsigned long)childp);
+		mm_ops->put_page(childp);
 
 	return 0;
 }
@@ -699,7 +997,7 @@
 {
 	struct kvm_pgtable_walker walker = {
 		.cb	= stage2_unmap_walker,
-		.arg	= pgt->mmu,
+		.arg	= pgt,
 		.flags	= KVM_PGTABLE_WALK_LEAF | KVM_PGTABLE_WALK_TABLE_POST,
 	};
 
@@ -707,10 +1005,11 @@
 }
 
 struct stage2_attr_data {
-	kvm_pte_t	attr_set;
-	kvm_pte_t	attr_clr;
-	kvm_pte_t	pte;
-	u32		level;
+	kvm_pte_t			attr_set;
+	kvm_pte_t			attr_clr;
+	kvm_pte_t			pte;
+	u32				level;
+	struct kvm_pgtable_mm_ops	*mm_ops;
 };
 
 static int stage2_attr_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
@@ -719,6 +1018,7 @@
 {
 	kvm_pte_t pte = *ptep;
 	struct stage2_attr_data *data = arg;
+	struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
 
 	if (!kvm_pte_valid(pte))
 		return 0;
@@ -733,8 +1033,17 @@
 	 * but worst-case the access flag update gets lost and will be
 	 * set on the next access instead.
 	 */
-	if (data->pte != pte)
+	if (data->pte != pte) {
+		/*
+		 * Invalidate instruction cache before updating the guest
+		 * stage-2 PTE if we are going to add executable permission.
+		 */
+		if (mm_ops->icache_inval_pou &&
+		    stage2_pte_executable(pte) && !stage2_pte_executable(*ptep))
+			mm_ops->icache_inval_pou(kvm_pte_follow(pte, mm_ops),
+						  kvm_granule_size(level));
 		WRITE_ONCE(*ptep, pte);
+	}
 
 	return 0;
 }
@@ -749,6 +1058,7 @@
 	struct stage2_attr_data data = {
 		.attr_set	= attr_set & attr_mask,
 		.attr_clr	= attr_clr & attr_mask,
+		.mm_ops		= pgt->mm_ops,
 	};
 	struct kvm_pgtable_walker walker = {
 		.cb		= stage2_attr_walker,
@@ -812,6 +1122,9 @@
 	u32 level;
 	kvm_pte_t set = 0, clr = 0;
 
+	if (prot & KVM_PTE_LEAF_ATTR_HI_SW)
+		return -EINVAL;
+
 	if (prot & KVM_PGTABLE_PROT_R)
 		set |= KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R;
 
@@ -831,12 +1144,16 @@
 			       enum kvm_pgtable_walk_flags flag,
 			       void * const arg)
 {
+	struct kvm_pgtable *pgt = arg;
+	struct kvm_pgtable_mm_ops *mm_ops = pgt->mm_ops;
 	kvm_pte_t pte = *ptep;
 
-	if (!kvm_pte_valid(pte) || !stage2_pte_cacheable(pte))
+	if (!stage2_pte_cacheable(pgt, pte))
 		return 0;
 
-	stage2_flush_dcache(kvm_pte_follow(pte), kvm_granule_size(level));
+	if (mm_ops->dcache_clean_inval_poc)
+		mm_ops->dcache_clean_inval_poc(kvm_pte_follow(pte, mm_ops),
+					       kvm_granule_size(level));
 	return 0;
 }
 
@@ -845,49 +1162,67 @@
 	struct kvm_pgtable_walker walker = {
 		.cb	= stage2_flush_walker,
 		.flags	= KVM_PGTABLE_WALK_LEAF,
+		.arg	= pgt,
 	};
 
-	if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
+	if (stage2_has_fwb(pgt))
 		return 0;
 
 	return kvm_pgtable_walk(pgt, addr, size, &walker);
 }
 
-int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm)
+
+int __kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_s2_mmu *mmu,
+			      struct kvm_pgtable_mm_ops *mm_ops,
+			      enum kvm_pgtable_stage2_flags flags,
+			      kvm_pgtable_force_pte_cb_t force_pte_cb)
 {
 	size_t pgd_sz;
-	u64 vtcr = kvm->arch.vtcr;
+	u64 vtcr = mmu->arch->vtcr;
 	u32 ia_bits = VTCR_EL2_IPA(vtcr);
 	u32 sl0 = FIELD_GET(VTCR_EL2_SL0_MASK, vtcr);
 	u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0;
 
 	pgd_sz = kvm_pgd_pages(ia_bits, start_level) * PAGE_SIZE;
-	pgt->pgd = alloc_pages_exact(pgd_sz, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
+	pgt->pgd = mm_ops->zalloc_pages_exact(pgd_sz);
 	if (!pgt->pgd)
 		return -ENOMEM;
 
 	pgt->ia_bits		= ia_bits;
 	pgt->start_level	= start_level;
-	pgt->mmu		= &kvm->arch.mmu;
+	pgt->mm_ops		= mm_ops;
+	pgt->mmu		= mmu;
+	pgt->flags		= flags;
+	pgt->force_pte_cb	= force_pte_cb;
 
 	/* Ensure zeroed PGD pages are visible to the hardware walker */
 	dsb(ishst);
 	return 0;
 }
 
+size_t kvm_pgtable_stage2_pgd_size(u64 vtcr)
+{
+	u32 ia_bits = VTCR_EL2_IPA(vtcr);
+	u32 sl0 = FIELD_GET(VTCR_EL2_SL0_MASK, vtcr);
+	u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0;
+
+	return kvm_pgd_pages(ia_bits, start_level) * PAGE_SIZE;
+}
+
 static int stage2_free_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
 			      enum kvm_pgtable_walk_flags flag,
 			      void * const arg)
 {
+	struct kvm_pgtable_mm_ops *mm_ops = arg;
 	kvm_pte_t pte = *ptep;
 
-	if (!kvm_pte_valid(pte))
+	if (!stage2_pte_is_counted(pte))
 		return 0;
 
-	put_page(virt_to_page(ptep));
+	mm_ops->put_page(ptep);
 
 	if (kvm_pte_table(pte, level))
-		free_page((unsigned long)kvm_pte_follow(pte));
+		mm_ops->put_page(kvm_pte_follow(pte, mm_ops));
 
 	return 0;
 }
@@ -899,10 +1234,11 @@
 		.cb	= stage2_free_walker,
 		.flags	= KVM_PGTABLE_WALK_LEAF |
 			  KVM_PGTABLE_WALK_TABLE_POST,
+		.arg	= pgt->mm_ops,
 	};
 
 	WARN_ON(kvm_pgtable_walk(pgt, 0, BIT(pgt->ia_bits), &walker));
 	pgd_sz = kvm_pgd_pages(pgt->ia_bits, pgt->start_level) * PAGE_SIZE;
-	free_pages_exact(pgt->pgd, pgd_sz);
+	pgt->mm_ops->free_pages_exact(pgt->pgd, pgd_sz);
 	pgt->pgd = NULL;
 }
diff --git a/arch/arm64/kvm/hyp/smccc_wa.S b/arch/arm64/kvm/hyp/smccc_wa.S
deleted file mode 100644
index 533b0aa..0000000
--- a/arch/arm64/kvm/hyp/smccc_wa.S
+++ /dev/null
@@ -1,107 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2015-2018 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- */
-
-#include <linux/arm-smccc.h>
-#include <linux/linkage.h>
-
-#include <asm/kvm_asm.h>
-#include <asm/kvm_mmu.h>
-
-	/*
-	 * This is not executed directly and is instead copied into the vectors
-	 * by install_bp_hardening_cb().
-	 */
-	.data
-	.pushsection	.rodata
-	.global		__smccc_workaround_1_smc
-SYM_DATA_START(__smccc_workaround_1_smc)
-	esb
-	sub	sp, sp, #(8 * 4)
-	stp	x2, x3, [sp, #(8 * 0)]
-	stp	x0, x1, [sp, #(8 * 2)]
-	mov	w0, #ARM_SMCCC_ARCH_WORKAROUND_1
-	smc	#0
-	ldp	x2, x3, [sp, #(8 * 0)]
-	ldp	x0, x1, [sp, #(8 * 2)]
-	add	sp, sp, #(8 * 4)
-1:	.org __smccc_workaround_1_smc + __SMCCC_WORKAROUND_1_SMC_SZ
-	.org 1b
-SYM_DATA_END(__smccc_workaround_1_smc)
-
-	.global		__smccc_workaround_3_smc
-SYM_DATA_START(__smccc_workaround_3_smc)
-	esb
-	sub	sp, sp, #(8 * 4)
-	stp	x2, x3, [sp, #(8 * 0)]
-	stp	x0, x1, [sp, #(8 * 2)]
-	mov	w0, #ARM_SMCCC_ARCH_WORKAROUND_3
-	smc	#0
-	ldp	x2, x3, [sp, #(8 * 0)]
-	ldp	x0, x1, [sp, #(8 * 2)]
-	add	sp, sp, #(8 * 4)
-1:	.org __smccc_workaround_3_smc + __SMCCC_WORKAROUND_3_SMC_SZ
-	.org 1b
-SYM_DATA_END(__smccc_workaround_3_smc)
-
-	.global	__spectre_bhb_loop_k8
-SYM_DATA_START(__spectre_bhb_loop_k8)
-	esb
-	sub	sp, sp, #(8 * 2)
-	stp	x0, x1, [sp, #(8 * 0)]
-	mov	x0, #8
-2:	b	. + 4
-	subs	x0, x0, #1
-	b.ne	2b
-	dsb	nsh
-	isb
-	ldp	x0, x1, [sp, #(8 * 0)]
-	add	sp, sp, #(8 * 2)
-1:	.org __spectre_bhb_loop_k8 + __SPECTRE_BHB_LOOP_SZ
-	.org 1b
-SYM_DATA_END(__spectre_bhb_loop_k8)
-
-	.global	__spectre_bhb_loop_k24
-SYM_DATA_START(__spectre_bhb_loop_k24)
-	esb
-	sub	sp, sp, #(8 * 2)
-	stp	x0, x1, [sp, #(8 * 0)]
-	mov	x0, #24
-2:	b	. + 4
-	subs	x0, x0, #1
-	b.ne	2b
-	dsb	nsh
-	isb
-	ldp	x0, x1, [sp, #(8 * 0)]
-	add	sp, sp, #(8 * 2)
-1:	.org __spectre_bhb_loop_k24 + __SPECTRE_BHB_LOOP_SZ
-	.org 1b
-SYM_DATA_END(__spectre_bhb_loop_k24)
-
-	.global	__spectre_bhb_loop_k32
-SYM_DATA_START(__spectre_bhb_loop_k32)
-	esb
-	sub	sp, sp, #(8 * 2)
-	stp	x0, x1, [sp, #(8 * 0)]
-	mov	x0, #32
-2:	b	. + 4
-	subs	x0, x0, #1
-	b.ne	2b
-	dsb	nsh
-	isb
-	ldp	x0, x1, [sp, #(8 * 0)]
-	add	sp, sp, #(8 * 2)
-1:	.org __spectre_bhb_loop_k32 + __SPECTRE_BHB_LOOP_SZ
-	.org 1b
-SYM_DATA_END(__spectre_bhb_loop_k32)
-
-	.global	__spectre_bhb_clearbhb
-SYM_DATA_START(__spectre_bhb_clearbhb)
-	esb
-	clearbhb
-	isb
-1:	.org __spectre_bhb_clearbhb + __SPECTRE_BHB_CLEARBHB_SZ
-	.org 1b
-SYM_DATA_END(__spectre_bhb_clearbhb)
diff --git a/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c b/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
index bd1bab5..87a5437 100644
--- a/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
+++ b/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
@@ -4,6 +4,8 @@
  * Author: Marc Zyngier <marc.zyngier@arm.com>
  */
 
+#include <hyp/adjust_pc.h>
+
 #include <linux/compiler.h>
 #include <linux/irqchip/arm-gic.h>
 #include <linux/kvm_host.h>
@@ -62,7 +64,7 @@
 	}
 
 	rd = kvm_vcpu_dabt_get_rd(vcpu);
-	addr  = hyp_symbol_addr(kvm_vgic_global_state)->vcpu_hyp_va;
+	addr  = kvm_vgic_global_state.vcpu_hyp_va;
 	addr += fault_ipa - vgic->vgic_cpu_base;
 
 	if (kvm_vcpu_dabt_iswrite(vcpu)) {
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index 452f4ca..d5a51ea 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -4,6 +4,8 @@
  * Author: Marc Zyngier <marc.zyngier@arm.com>
  */
 
+#include <hyp/adjust_pc.h>
+
 #include <linux/compiler.h>
 #include <linux/irqchip/arm-gic-v3.h>
 #include <linux/kvm_host.h>
@@ -328,7 +330,7 @@
 		write_gicreg(0, ICH_HCR_EL2);
 }
 
-void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if)
+static void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if)
 {
 	u64 val;
 	u32 nr_pre_bits;
@@ -361,7 +363,7 @@
 	}
 }
 
-void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if)
+static void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if)
 {
 	u64 val;
 	u32 nr_pre_bits;
@@ -403,21 +405,85 @@
 		__gic_v3_set_lr(0, i);
 }
 
-u64 __vgic_v3_get_ich_vtr_el2(void)
+/*
+ * Return the GIC CPU configuration:
+ * - [31:0]  ICH_VTR_EL2
+ * - [62:32] RES0
+ * - [63]    MMIO (GICv2) capable
+ */
+u64 __vgic_v3_get_gic_config(void)
 {
-	return read_gicreg(ICH_VTR_EL2);
+	u64 val, sre = read_gicreg(ICC_SRE_EL1);
+	unsigned long flags = 0;
+
+	/*
+	 * To check whether we have a MMIO-based (GICv2 compatible)
+	 * CPU interface, we need to disable the system register
+	 * view. To do that safely, we have to prevent any interrupt
+	 * from firing (which would be deadly).
+	 *
+	 * Note that this only makes sense on VHE, as interrupts are
+	 * already masked for nVHE as part of the exception entry to
+	 * EL2.
+	 */
+	if (has_vhe())
+		flags = local_daif_save();
+
+	/*
+	 * Table 11-2 "Permitted ICC_SRE_ELx.SRE settings" indicates
+	 * that to be able to set ICC_SRE_EL1.SRE to 0, all the
+	 * interrupt overrides must be set. You've got to love this.
+	 */
+	sysreg_clear_set(hcr_el2, 0, HCR_AMO | HCR_FMO | HCR_IMO);
+	isb();
+	write_gicreg(0, ICC_SRE_EL1);
+	isb();
+
+	val = read_gicreg(ICC_SRE_EL1);
+
+	write_gicreg(sre, ICC_SRE_EL1);
+	isb();
+	sysreg_clear_set(hcr_el2, HCR_AMO | HCR_FMO | HCR_IMO, 0);
+	isb();
+
+	if (has_vhe())
+		local_daif_restore(flags);
+
+	val  = (val & ICC_SRE_EL1_SRE) ? 0 : (1ULL << 63);
+	val |= read_gicreg(ICH_VTR_EL2);
+
+	return val;
 }
 
-u64 __vgic_v3_read_vmcr(void)
+static u64 __vgic_v3_read_vmcr(void)
 {
 	return read_gicreg(ICH_VMCR_EL2);
 }
 
-void __vgic_v3_write_vmcr(u32 vmcr)
+static void __vgic_v3_write_vmcr(u32 vmcr)
 {
 	write_gicreg(vmcr, ICH_VMCR_EL2);
 }
 
+void __vgic_v3_save_vmcr_aprs(struct vgic_v3_cpu_if *cpu_if)
+{
+	__vgic_v3_save_aprs(cpu_if);
+	if (cpu_if->vgic_sre)
+		cpu_if->vgic_vmcr = __vgic_v3_read_vmcr();
+}
+
+void __vgic_v3_restore_vmcr_aprs(struct vgic_v3_cpu_if *cpu_if)
+{
+	/*
+	 * If dealing with a GICv2 emulation on GICv3, VMCR_EL2.VFIQen
+	 * is dependent on ICC_SRE_EL1.SRE, and we have to perform the
+	 * VMCR_EL2 save/restore in the world switch.
+	 */
+	if (cpu_if->vgic_sre)
+		__vgic_v3_write_vmcr(cpu_if->vgic_vmcr);
+	__vgic_v3_restore_aprs(cpu_if);
+}
+
 static int __vgic_v3_bpr_min(void)
 {
 	/* See Pseudocode for VPriorityGroup */
@@ -648,9 +714,7 @@
 		goto spurious;
 
 	lr_val &= ~ICH_LR_STATE;
-	/* No active state for LPIs */
-	if ((lr_val & ICH_LR_VIRTUAL_ID_MASK) <= VGIC_MAX_SPI)
-		lr_val |= ICH_LR_ACTIVE_BIT;
+	lr_val |= ICH_LR_ACTIVE_BIT;
 	__gic_v3_set_lr(lr_val, lr);
 	__vgic_v3_set_active_priority(lr_prio, vmcr, grp);
 	vcpu_set_reg(vcpu, rt, lr_val & ICH_LR_VIRTUAL_ID_MASK);
@@ -717,20 +781,18 @@
 	/* Drop priority in any case */
 	act_prio = __vgic_v3_clear_highest_active_priority();
 
-	/* If EOIing an LPI, no deactivate to be performed */
-	if (vid >= VGIC_MIN_LPI)
-		return;
-
-	/* EOImode == 1, nothing to be done here */
-	if (vmcr & ICH_VMCR_EOIM_MASK)
-		return;
-
 	lr = __vgic_v3_find_active_lr(vcpu, vid, &lr_val);
 	if (lr == -1) {
-		__vgic_v3_bump_eoicount();
+		/* Do not bump EOIcount for LPIs that aren't in the LRs */
+		if (!(vid >= VGIC_MIN_LPI))
+			__vgic_v3_bump_eoicount();
 		return;
 	}
 
+	/* EOImode == 1 and not an LPI, nothing to be done here */
+	if ((vmcr & ICH_VMCR_EOIM_MASK) && !(vid >= VGIC_MIN_LPI))
+		return;
+
 	lr_prio = (lr_val & ICH_LR_PRIORITY_MASK) >> ICH_LR_PRIORITY_SHIFT;
 
 	/* If priorities or group do not match, the guest has fscked-up. */
@@ -941,7 +1003,8 @@
 	/* IDbits */
 	val |= ((vtr >> 23) & 7) << ICC_CTLR_EL1_ID_BITS_SHIFT;
 	/* SEIS */
-	val |= ((vtr >> 22) & 1) << ICC_CTLR_EL1_SEIS_SHIFT;
+	if (kvm_vgic_global_state.ich_vtr_el2 & ICH_VTR_SEIS_MASK)
+		val |= BIT(ICC_CTLR_EL1_SEIS_SHIFT);
 	/* A3V */
 	val |= ((vtr >> 21) & 1) << ICC_CTLR_EL1_A3V_SHIFT;
 	/* EOImode */
diff --git a/arch/arm64/kvm/hyp/vhe/Makefile b/arch/arm64/kvm/hyp/vhe/Makefile
index 461e97c..96bec0e 100644
--- a/arch/arm64/kvm/hyp/vhe/Makefile
+++ b/arch/arm64/kvm/hyp/vhe/Makefile
@@ -8,4 +8,4 @@
 
 obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o
 obj-y += ../vgic-v3-sr.o ../aarch32.o ../vgic-v2-cpuif-proxy.o ../entry.o \
-	 ../fpsimd.o ../hyp-entry.o
+	 ../fpsimd.o ../hyp-entry.o ../exception.o
diff --git a/arch/arm64/kvm/hyp/vhe/debug-sr.c b/arch/arm64/kvm/hyp/vhe/debug-sr.c
index f1e2e5a..289689b 100644
--- a/arch/arm64/kvm/hyp/vhe/debug-sr.c
+++ b/arch/arm64/kvm/hyp/vhe/debug-sr.c
@@ -20,7 +20,7 @@
 	__debug_switch_to_host_common(vcpu);
 }
 
-u32 __kvm_get_mdcr_el2(void)
+u64 __kvm_get_mdcr_el2(void)
 {
 	return read_sysreg(mdcr_el2);
 }
diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c
index 99e2581..645e1b9 100644
--- a/arch/arm64/kvm/hyp/vhe/switch.c
+++ b/arch/arm64/kvm/hyp/vhe/switch.c
@@ -28,8 +28,6 @@
 #include <asm/thread_info.h>
 #include <asm/vectors.h>
 
-const char __hyp_panic_string[] = "HYP panic:\nPS:%08llx PC:%016llx ESR:%08llx\nFAR:%016llx HPFAR:%016llx PAR:%016llx\nVCPU:%p\n";
-
 /* VHE specific context */
 DEFINE_PER_CPU(struct kvm_host_data, kvm_host_data);
 DEFINE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt);
@@ -98,17 +96,30 @@
 	__activate_traps_common(vcpu);
 }
 
-void deactivate_traps_vhe_put(void)
+void deactivate_traps_vhe_put(struct kvm_vcpu *vcpu)
 {
-	u64 mdcr_el2 = read_sysreg(mdcr_el2);
+	__deactivate_traps_common(vcpu);
+}
 
-	mdcr_el2 &= MDCR_EL2_HPMN_MASK |
-		    MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT |
-		    MDCR_EL2_TPMS;
+static const exit_handler_fn hyp_exit_handlers[] = {
+	[0 ... ESR_ELx_EC_MAX]		= NULL,
+	[ESR_ELx_EC_CP15_32]		= kvm_hyp_handle_cp15_32,
+	[ESR_ELx_EC_SYS64]		= kvm_hyp_handle_sysreg,
+	[ESR_ELx_EC_SVE]		= kvm_hyp_handle_fpsimd,
+	[ESR_ELx_EC_FP_ASIMD]		= kvm_hyp_handle_fpsimd,
+	[ESR_ELx_EC_IABT_LOW]		= kvm_hyp_handle_iabt_low,
+	[ESR_ELx_EC_DABT_LOW]		= kvm_hyp_handle_dabt_low,
+	[ESR_ELx_EC_WATCHPT_LOW]	= kvm_hyp_handle_watchpt_low,
+	[ESR_ELx_EC_PAC]		= kvm_hyp_handle_ptrauth,
+};
 
-	write_sysreg(mdcr_el2, mdcr_el2);
+static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu)
+{
+	return hyp_exit_handlers;
+}
 
-	__deactivate_traps_common();
+static void early_exit_filter(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
 }
 
 /* Switch to the guest for VHE systems running in EL2 */
@@ -131,13 +142,15 @@
 	 *
 	 * We have already configured the guest's stage 1 translation in
 	 * kvm_vcpu_load_sysregs_vhe above.  We must now call
-	 * __load_guest_stage2 before __activate_traps, because
-	 * __load_guest_stage2 configures stage 2 translation, and
+	 * __load_stage2 before __activate_traps, because
+	 * __load_stage2 configures stage 2 translation, and
 	 * __activate_traps clear HCR_EL2.TGE (among other things).
 	 */
-	__load_guest_stage2(vcpu->arch.hw_mmu);
+	__load_stage2(vcpu->arch.hw_mmu, vcpu->arch.hw_mmu->arch);
 	__activate_traps(vcpu);
 
+	__kvm_adjust_pc(vcpu);
+
 	sysreg_restore_guest_state_vhe(guest_ctxt);
 	__debug_switch_to_guest(vcpu);
 
@@ -209,7 +222,7 @@
 	__deactivate_traps(vcpu);
 	sysreg_restore_host_state_vhe(host_ctxt);
 
-	panic(__hyp_panic_string,
+	panic("HYP panic:\nPS:%08llx PC:%016llx ESR:%08llx\nFAR:%016llx HPFAR:%016llx PAR:%016llx\nVCPU:%p\n",
 	      spsr, elr,
 	      read_sysreg_el2(SYS_ESR), read_sysreg_el2(SYS_FAR),
 	      read_sysreg(hpfar_el2), par, vcpu);
diff --git a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c
index 2a0b8c8..007a12d 100644
--- a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c
+++ b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c
@@ -101,7 +101,7 @@
 	struct kvm_cpu_context *host_ctxt;
 
 	host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
-	deactivate_traps_vhe_put();
+	deactivate_traps_vhe_put(vcpu);
 
 	__sysreg_save_el1_state(guest_ctxt);
 	__sysreg_save_user_state(guest_ctxt);
diff --git a/arch/arm64/kvm/hyp/vhe/tlb.c b/arch/arm64/kvm/hyp/vhe/tlb.c
index 66f1734..24cef9b 100644
--- a/arch/arm64/kvm/hyp/vhe/tlb.c
+++ b/arch/arm64/kvm/hyp/vhe/tlb.c
@@ -50,10 +50,10 @@
 	 *
 	 * ARM erratum 1165522 requires some special handling (again),
 	 * as we need to make sure both stages of translation are in
-	 * place before clearing TGE. __load_guest_stage2() already
+	 * place before clearing TGE. __load_stage2() already
 	 * has an ISB in order to deal with this.
 	 */
-	__load_guest_stage2(mmu);
+	__load_stage2(mmu, mmu->arch);
 	val = read_sysreg(hcr_el2);
 	val &= ~HCR_TGE;
 	write_sysreg(val, hcr_el2);
diff --git a/arch/arm64/kvm/hypercalls.c b/arch/arm64/kvm/hypercalls.c
index bc111a1..bb04eb9 100644
--- a/arch/arm64/kvm/hypercalls.c
+++ b/arch/arm64/kvm/hypercalls.c
@@ -9,16 +9,65 @@
 #include <kvm/arm_hypercalls.h>
 #include <kvm/arm_psci.h>
 
+static void kvm_ptp_get_time(struct kvm_vcpu *vcpu, u64 *val)
+{
+	struct system_time_snapshot systime_snapshot;
+	u64 cycles = ~0UL;
+	u32 feature;
+
+	/*
+	 * system time and counter value must captured at the same
+	 * time to keep consistency and precision.
+	 */
+	ktime_get_snapshot(&systime_snapshot);
+
+	/*
+	 * This is only valid if the current clocksource is the
+	 * architected counter, as this is the only one the guest
+	 * can see.
+	 */
+	if (systime_snapshot.cs_id != CSID_ARM_ARCH_COUNTER)
+		return;
+
+	/*
+	 * The guest selects one of the two reference counters
+	 * (virtual or physical) with the first argument of the SMCCC
+	 * call. In case the identifier is not supported, error out.
+	 */
+	feature = smccc_get_arg1(vcpu);
+	switch (feature) {
+	case KVM_PTP_VIRT_COUNTER:
+		cycles = systime_snapshot.cycles - vcpu_read_sys_reg(vcpu, CNTVOFF_EL2);
+		break;
+	case KVM_PTP_PHYS_COUNTER:
+		cycles = systime_snapshot.cycles;
+		break;
+	default:
+		return;
+	}
+
+	/*
+	 * This relies on the top bit of val[0] never being set for
+	 * valid values of system time, because that is *really* far
+	 * in the future (about 292 years from 1970, and at that stage
+	 * nobody will give a damn about it).
+	 */
+	val[0] = upper_32_bits(systime_snapshot.real);
+	val[1] = lower_32_bits(systime_snapshot.real);
+	val[2] = upper_32_bits(cycles);
+	val[3] = lower_32_bits(cycles);
+}
+
 int kvm_hvc_call_handler(struct kvm_vcpu *vcpu)
 {
 	u32 func_id = smccc_get_function(vcpu);
-	long val = SMCCC_RET_NOT_SUPPORTED;
+	u64 val[4] = {SMCCC_RET_NOT_SUPPORTED};
 	u32 feature;
 	gpa_t gpa;
 
 	switch (func_id) {
 	case ARM_SMCCC_VERSION_FUNC_ID:
-		val = ARM_SMCCC_VERSION_1_1;
+		val[0] = ARM_SMCCC_VERSION_1_1;
 		break;
 	case ARM_SMCCC_ARCH_FEATURES_FUNC_ID:
 		feature = smccc_get_arg1(vcpu);
@@ -28,10 +77,10 @@
 			case SPECTRE_VULNERABLE:
 				break;
 			case SPECTRE_MITIGATED:
-				val = SMCCC_RET_SUCCESS;
+				val[0] = SMCCC_RET_SUCCESS;
 				break;
 			case SPECTRE_UNAFFECTED:
-				val = SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED;
+				val[0] = SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED;
 				break;
 			}
 			break;
@@ -54,7 +103,7 @@
 					break;
 				fallthrough;
 			case SPECTRE_UNAFFECTED:
-				val = SMCCC_RET_NOT_REQUIRED;
+				val[0] = SMCCC_RET_NOT_REQUIRED;
 				break;
 			}
 			break;
@@ -63,30 +112,53 @@
 			case SPECTRE_VULNERABLE:
 				break;
 			case SPECTRE_MITIGATED:
-				val = SMCCC_RET_SUCCESS;
+				val[0] = SMCCC_RET_SUCCESS;
 				break;
 			case SPECTRE_UNAFFECTED:
-				val = SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED;
+				val[0] = SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED;
 				break;
 			}
 			break;
 		case ARM_SMCCC_HV_PV_TIME_FEATURES:
-			val = SMCCC_RET_SUCCESS;
+			val[0] = SMCCC_RET_SUCCESS;
 			break;
 		}
 		break;
 	case ARM_SMCCC_HV_PV_TIME_FEATURES:
-		val = kvm_hypercall_pv_features(vcpu);
+		val[0] = kvm_hypercall_pv_features(vcpu);
 		break;
 	case ARM_SMCCC_HV_PV_TIME_ST:
 		gpa = kvm_init_stolen_time(vcpu);
 		if (gpa != GPA_INVALID)
-			val = gpa;
+			val[0] = gpa;
 		break;
+	case ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID:
+		val[0] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_0;
+		val[1] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_1;
+		val[2] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_2;
+		val[3] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_3;
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_FEATURES_FUNC_ID:
+		val[0] = BIT(ARM_SMCCC_KVM_FUNC_FEATURES);
+		val[0] |= BIT(ARM_SMCCC_KVM_FUNC_PTP);
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID:
+		kvm_ptp_get_time(vcpu, val);
+		break;
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_MAP_FUNC_ID:
+		if (kvm_vm_is_protected(vcpu->kvm) && !topup_hyp_memcache(vcpu))
+			val[0] = SMCCC_RET_SUCCESS;
+		break;
+	case ARM_SMCCC_TRNG_VERSION:
+	case ARM_SMCCC_TRNG_FEATURES:
+	case ARM_SMCCC_TRNG_GET_UUID:
+	case ARM_SMCCC_TRNG_RND32:
+	case ARM_SMCCC_TRNG_RND64:
+		return kvm_trng_call(vcpu);
 	default:
 		return kvm_psci_call(vcpu);
 	}
 
-	smccc_set_retval(vcpu, val, 0, 0, 0);
+	smccc_set_retval(vcpu, val[0], val[1], val[2], val[3]);
 	return 1;
 }
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index 34a96ab..b47df73 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -14,119 +14,15 @@
 #include <asm/kvm_emulate.h>
 #include <asm/esr.h>
 
-#define CURRENT_EL_SP_EL0_VECTOR	0x0
-#define CURRENT_EL_SP_ELx_VECTOR	0x200
-#define LOWER_EL_AArch64_VECTOR		0x400
-#define LOWER_EL_AArch32_VECTOR		0x600
-
-enum exception_type {
-	except_type_sync	= 0,
-	except_type_irq		= 0x80,
-	except_type_fiq		= 0x100,
-	except_type_serror	= 0x180,
-};
-
-/*
- * This performs the exception entry at a given EL (@target_mode), stashing PC
- * and PSTATE into ELR and SPSR respectively, and compute the new PC/PSTATE.
- * The EL passed to this function *must* be a non-secure, privileged mode with
- * bit 0 being set (PSTATE.SP == 1).
- *
- * When an exception is taken, most PSTATE fields are left unchanged in the
- * handler. However, some are explicitly overridden (e.g. M[4:0]). Luckily all
- * of the inherited bits have the same position in the AArch64/AArch32 SPSR_ELx
- * layouts, so we don't need to shuffle these for exceptions from AArch32 EL0.
- *
- * For the SPSR_ELx layout for AArch64, see ARM DDI 0487E.a page C5-429.
- * For the SPSR_ELx layout for AArch32, see ARM DDI 0487E.a page C5-426.
- *
- * Here we manipulate the fields in order of the AArch64 SPSR_ELx layout, from
- * MSB to LSB.
- */
-static void enter_exception64(struct kvm_vcpu *vcpu, unsigned long target_mode,
-			      enum exception_type type)
-{
-	unsigned long sctlr, vbar, old, new, mode;
-	u64 exc_offset;
-
-	mode = *vcpu_cpsr(vcpu) & (PSR_MODE_MASK | PSR_MODE32_BIT);
-
-	if      (mode == target_mode)
-		exc_offset = CURRENT_EL_SP_ELx_VECTOR;
-	else if ((mode | PSR_MODE_THREAD_BIT) == target_mode)
-		exc_offset = CURRENT_EL_SP_EL0_VECTOR;
-	else if (!(mode & PSR_MODE32_BIT))
-		exc_offset = LOWER_EL_AArch64_VECTOR;
-	else
-		exc_offset = LOWER_EL_AArch32_VECTOR;
-
-	switch (target_mode) {
-	case PSR_MODE_EL1h:
-		vbar = vcpu_read_sys_reg(vcpu, VBAR_EL1);
-		sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1);
-		vcpu_write_sys_reg(vcpu, *vcpu_pc(vcpu), ELR_EL1);
-		break;
-	default:
-		/* Don't do that */
-		BUG();
-	}
-
-	*vcpu_pc(vcpu) = vbar + exc_offset + type;
-
-	old = *vcpu_cpsr(vcpu);
-	new = 0;
-
-	new |= (old & PSR_N_BIT);
-	new |= (old & PSR_Z_BIT);
-	new |= (old & PSR_C_BIT);
-	new |= (old & PSR_V_BIT);
-
-	// TODO: TCO (if/when ARMv8.5-MemTag is exposed to guests)
-
-	new |= (old & PSR_DIT_BIT);
-
-	// PSTATE.UAO is set to zero upon any exception to AArch64
-	// See ARM DDI 0487E.a, page D5-2579.
-
-	// PSTATE.PAN is unchanged unless SCTLR_ELx.SPAN == 0b0
-	// SCTLR_ELx.SPAN is RES1 when ARMv8.1-PAN is not implemented
-	// See ARM DDI 0487E.a, page D5-2578.
-	new |= (old & PSR_PAN_BIT);
-	if (!(sctlr & SCTLR_EL1_SPAN))
-		new |= PSR_PAN_BIT;
-
-	// PSTATE.SS is set to zero upon any exception to AArch64
-	// See ARM DDI 0487E.a, page D2-2452.
-
-	// PSTATE.IL is set to zero upon any exception to AArch64
-	// See ARM DDI 0487E.a, page D1-2306.
-
-	// PSTATE.SSBS is set to SCTLR_ELx.DSSBS upon any exception to AArch64
-	// See ARM DDI 0487E.a, page D13-3258
-	if (sctlr & SCTLR_ELx_DSSBS)
-		new |= PSR_SSBS_BIT;
-
-	// PSTATE.BTYPE is set to zero upon any exception to AArch64
-	// See ARM DDI 0487E.a, pages D1-2293 to D1-2294.
-
-	new |= PSR_D_BIT;
-	new |= PSR_A_BIT;
-	new |= PSR_I_BIT;
-	new |= PSR_F_BIT;
-
-	new |= target_mode;
-
-	*vcpu_cpsr(vcpu) = new;
-	vcpu_write_spsr(vcpu, old);
-}
-
 static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr)
 {
 	unsigned long cpsr = *vcpu_cpsr(vcpu);
 	bool is_aarch32 = vcpu_mode_is_32bit(vcpu);
 	u32 esr = 0;
 
-	enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
+	vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA64_EL1		|
+			     KVM_ARM64_EXCEPT_AA64_ELx_SYNC	|
+			     KVM_ARM64_PENDING_EXCEPTION);
 
 	vcpu_write_sys_reg(vcpu, addr, FAR_EL1);
 
@@ -156,7 +52,9 @@
 {
 	u32 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT);
 
-	enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
+	vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA64_EL1		|
+			     KVM_ARM64_EXCEPT_AA64_ELx_SYNC	|
+			     KVM_ARM64_PENDING_EXCEPTION);
 
 	/*
 	 * Build an unknown exception, depending on the instruction
@@ -168,6 +66,53 @@
 	vcpu_write_sys_reg(vcpu, esr, ESR_EL1);
 }
 
+#define DFSR_FSC_EXTABT_LPAE	0x10
+#define DFSR_FSC_EXTABT_nLPAE	0x08
+#define DFSR_LPAE		BIT(9)
+#define TTBCR_EAE		BIT(31)
+
+static void inject_undef32(struct kvm_vcpu *vcpu)
+{
+	vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA32_UND |
+			     KVM_ARM64_PENDING_EXCEPTION);
+}
+
+/*
+ * Modelled after TakeDataAbortException() and TakePrefetchAbortException
+ * pseudocode.
+ */
+static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt, u32 addr)
+{
+	u64 far;
+	u32 fsr;
+
+	/* Give the guest an IMPLEMENTATION DEFINED exception */
+	if (vcpu_read_sys_reg(vcpu, TCR_EL1) & TTBCR_EAE) {
+		fsr = DFSR_LPAE | DFSR_FSC_EXTABT_LPAE;
+	} else {
+		/* no need to shuffle FS[4] into DFSR[10] as its 0 */
+		fsr = DFSR_FSC_EXTABT_nLPAE;
+	}
+
+	far = vcpu_read_sys_reg(vcpu, FAR_EL1);
+
+	if (is_pabt) {
+		vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA32_IABT |
+				     KVM_ARM64_PENDING_EXCEPTION);
+		far &= GENMASK(31, 0);
+		far |= (u64)addr << 32;
+		vcpu_write_sys_reg(vcpu, fsr, IFSR32_EL2);
+	} else { /* !iabt */
+		vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA32_DABT |
+				     KVM_ARM64_PENDING_EXCEPTION);
+		far &= GENMASK(63, 32);
+		far |= addr;
+		vcpu_write_sys_reg(vcpu, fsr, ESR_EL1);
+	}
+
+	vcpu_write_sys_reg(vcpu, far, FAR_EL1);
+}
+
 /**
  * kvm_inject_dabt - inject a data abort into the guest
  * @vcpu: The VCPU to receive the data abort
@@ -179,7 +124,7 @@
 void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr)
 {
 	if (vcpu_el1_is_32bit(vcpu))
-		kvm_inject_dabt32(vcpu, addr);
+		inject_abt32(vcpu, false, addr);
 	else
 		inject_abt64(vcpu, false, addr);
 }
@@ -195,7 +140,7 @@
 void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr)
 {
 	if (vcpu_el1_is_32bit(vcpu))
-		kvm_inject_pabt32(vcpu, addr);
+		inject_abt32(vcpu, true, addr);
 	else
 		inject_abt64(vcpu, true, addr);
 }
@@ -210,7 +155,7 @@
 void kvm_inject_undefined(struct kvm_vcpu *vcpu)
 {
 	if (vcpu_el1_is_32bit(vcpu))
-		kvm_inject_undef32(vcpu);
+		inject_undef32(vcpu);
 	else
 		inject_undef64(vcpu);
 }
diff --git a/arch/arm64/kvm/iommu.c b/arch/arm64/kvm/iommu.c
new file mode 100644
index 0000000..6ca1713
--- /dev/null
+++ b/arch/arm64/kvm/iommu.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <linux/kvm_host.h>
+
+static unsigned long dev_to_id(struct device *dev)
+{
+	/* Use the struct device pointer as a unique identifier. */
+	return (unsigned long)dev;
+}
+
+int pkvm_iommu_driver_init(enum pkvm_iommu_driver_id id, void *data, size_t size)
+{
+	return kvm_call_hyp_nvhe(__pkvm_iommu_driver_init, id, data, size);
+}
+
+int pkvm_iommu_register(struct device *dev, enum pkvm_iommu_driver_id drv_id,
+			phys_addr_t pa, size_t size, struct device *parent)
+{
+	void *mem;
+	int ret;
+
+	/*
+	 * Hypcall to register the device. It will return -ENOMEM if it needs
+	 * more memory. In that case allocate a page and retry.
+	 * We assume that hyp never allocates more than a page per hypcall.
+	 */
+	ret = kvm_call_hyp_nvhe(__pkvm_iommu_register, dev_to_id(dev),
+				drv_id, pa, size, dev_to_id(parent), NULL, 0);
+	if (ret == -ENOMEM) {
+		mem = (void *)__get_free_page(GFP_KERNEL);
+		if (!mem)
+			return -ENOMEM;
+
+		ret = kvm_call_hyp_nvhe(__pkvm_iommu_register, dev_to_id(dev),
+					drv_id, pa, size, dev_to_id(parent),
+					mem, PAGE_SIZE);
+	}
+	return ret;
+}
+
+int pkvm_iommu_suspend(struct device *dev)
+{
+	return kvm_call_hyp_nvhe(__pkvm_iommu_pm_notify, dev_to_id(dev),
+				 PKVM_IOMMU_PM_SUSPEND);
+}
+EXPORT_SYMBOL_GPL(pkvm_iommu_suspend);
+
+int pkvm_iommu_resume(struct device *dev)
+{
+	return kvm_call_hyp_nvhe(__pkvm_iommu_pm_notify, dev_to_id(dev),
+				 PKVM_IOMMU_PM_RESUME);
+}
+EXPORT_SYMBOL_GPL(pkvm_iommu_resume);
+
+int pkvm_iommu_finalize(void)
+{
+	return kvm_call_hyp_nvhe(__pkvm_iommu_finalize);
+}
+EXPORT_SYMBOL_GPL(pkvm_iommu_finalize);
diff --git a/arch/arm64/kvm/iommu/Makefile b/arch/arm64/kvm/iommu/Makefile
new file mode 100644
index 0000000..cb3242c
--- /dev/null
+++ b/arch/arm64/kvm/iommu/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for Kernel-based Virtual Machine module
+#
+
+obj-$(CONFIG_KVM_S2MPU) += s2mpu.o
+obj-$(CONFIG_TEST_KVM_S2MPU) += test_kvm_s2mpu.o
diff --git a/arch/arm64/kvm/iommu/s2mpu.c b/arch/arm64/kvm/iommu/s2mpu.c
new file mode 100644
index 0000000..733451d7
--- /dev/null
+++ b/arch/arm64/kvm/iommu/s2mpu.c
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_s2mpu.h>
+
+static int init_s2mpu_driver(void)
+{
+	static DEFINE_MUTEX(lock);
+	static bool init_done;
+
+	struct mpt *mpt;
+	unsigned int gb;
+	unsigned long addr;
+	u64 pfn;
+	int ret = 0;
+
+	mutex_lock(&lock);
+	if (init_done)
+		goto out;
+
+	/* Allocate a page for driver data. Must fit MPT descriptor. */
+	BUILD_BUG_ON(sizeof(*mpt) > PAGE_SIZE);
+	addr = __get_free_page(GFP_KERNEL);
+	if (!addr) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	mpt = (struct mpt *)addr;
+
+	/* Allocate SMPT buffers. */
+	for_each_gb(gb) {
+		addr = __get_free_pages(GFP_KERNEL, SMPT_ORDER);
+		if (!addr) {
+			ret = -ENOMEM;
+			goto out_free;
+		}
+		mpt->fmpt[gb].smpt = (u32 *)addr;
+	}
+
+	/* Share MPT descriptor with hyp. */
+	pfn = __pa(mpt) >> PAGE_SHIFT;
+	ret = kvm_call_hyp_nvhe(__pkvm_host_share_hyp, pfn);
+	if (ret)
+		goto out_free;
+
+	/* Hypercall to initialize EL2 driver. */
+	ret = pkvm_iommu_driver_init(PKVM_IOMMU_DRIVER_S2MPU, mpt, sizeof(*mpt));
+	if (ret)
+		goto out_unshare;
+
+	init_done = true;
+
+out_unshare:
+	WARN_ON(kvm_call_hyp_nvhe(__pkvm_host_unshare_hyp, pfn));
+out_free:
+	/* TODO - will driver return the memory? */
+	if (ret) {
+		for_each_gb(gb)
+			free_pages((unsigned long)mpt->fmpt[gb].smpt, SMPT_ORDER);
+		free_page((unsigned long)mpt);
+	}
+out:
+	mutex_unlock(&lock);
+	return ret;
+}
+
+int pkvm_iommu_s2mpu_register(struct device *dev, phys_addr_t addr)
+{
+	int ret;
+
+	if (!is_protected_kvm_enabled())
+		return -ENODEV;
+
+	ret = init_s2mpu_driver();
+	if (ret)
+		return ret;
+
+	return pkvm_iommu_register(dev, PKVM_IOMMU_DRIVER_S2MPU,
+				   addr, S2MPU_MMIO_SIZE, NULL);
+}
+EXPORT_SYMBOL_GPL(pkvm_iommu_s2mpu_register);
+
+static int init_sysmmu_sync_driver(void)
+{
+	static DEFINE_MUTEX(lock);
+	static bool init_done;
+
+	int ret = 0;
+
+	mutex_lock(&lock);
+	if (!init_done) {
+		ret = pkvm_iommu_driver_init(PKVM_IOMMU_DRIVER_SYSMMU_SYNC, NULL, 0);
+		init_done = !ret;
+	}
+	mutex_unlock(&lock);
+	return ret;
+}
+
+int pkvm_iommu_sysmmu_sync_register(struct device *dev, phys_addr_t addr,
+				    struct device *parent)
+{
+	int ret;
+
+	if (!is_protected_kvm_enabled())
+		return -ENODEV;
+
+	ret = init_sysmmu_sync_driver();
+	if (ret)
+		return ret;
+
+	return pkvm_iommu_register(dev, PKVM_IOMMU_DRIVER_SYSMMU_SYNC,
+				   addr + SYSMMU_SYNC_S2_OFFSET,
+				   SYSMMU_SYNC_S2_MMIO_SIZE, parent);
+}
+EXPORT_SYMBOL_GPL(pkvm_iommu_sysmmu_sync_register);
diff --git a/arch/arm64/kvm/iommu/test_kvm_s2mpu.c b/arch/arm64/kvm/iommu/test_kvm_s2mpu.c
new file mode 100644
index 0000000..fbc500d
--- /dev/null
+++ b/arch/arm64/kvm/iommu/test_kvm_s2mpu.c
@@ -0,0 +1,283 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "../../../tools/testing/selftests/kselftest_module.h"
+
+#include <linux/slab.h>
+
+#include <asm/kvm_s2mpu.h>
+
+KSTM_MODULE_GLOBALS();
+
+#define ASSERT(cond)							\
+	do {								\
+		if (!(cond)) {						\
+			pr_err("line %d: assertion failed: %s\n",	\
+			       __LINE__, #cond);			\
+			return -1;					\
+		}							\
+	} while (0)
+
+static struct fmpt g_fmpt;
+static u32 g_smpt[SMPT_NUM_WORDS];
+
+static void __init init_smpt(enum mpt_prot prot)
+{
+	memset(g_smpt, (char)mpt_prot_doubleword[prot], SMPT_SIZE);
+}
+
+static void __init init_fmpt(enum mpt_prot prot, bool gran_1g)
+{
+	init_smpt(prot);
+	g_fmpt = (struct fmpt){
+		.gran_1g = gran_1g,
+		.prot = prot,
+		.smpt = g_smpt,
+	};
+}
+
+static enum mpt_prot __init get_prot_at(size_t gb_byte_off)
+{
+	size_t page_idx = gb_byte_off / SMPT_GRAN;
+	size_t word_idx = page_idx / SMPT_ELEMS_PER_WORD;
+	size_t bit_shift = (page_idx % SMPT_ELEMS_PER_WORD) * MPT_PROT_BITS;
+
+	return (g_smpt[word_idx] >> bit_shift) & MPT_PROT_MASK;
+}
+
+static bool __init check_smpt(size_t start_byte, size_t end_byte,
+			      enum mpt_prot prot_out, enum mpt_prot prot_in)
+{
+	size_t off;
+
+	for (off = 0; off < start_byte; off += PAGE_SIZE) {
+		if (get_prot_at(off) != prot_out)
+			return false;
+	}
+	for (off = start_byte; off < end_byte; off += PAGE_SIZE) {
+		if (get_prot_at(off) != prot_in)
+			return false;
+	}
+	for (off = end_byte; off < SZ_1G; off += PAGE_SIZE) {
+		if (get_prot_at(off) != prot_out)
+			return false;
+	}
+	return true;
+}
+
+/* Start with 1G granule, overwrite the whole 1G. */
+static int __init test_set_fmpt__fmpt_to_fmpt_whole(void)
+{
+	init_fmpt(MPT_PROT_NONE, /*gran_1g*/ true);
+	__set_fmpt_range(&g_fmpt, 0, SZ_1G, MPT_PROT_R);
+	ASSERT(g_fmpt.flags == MPT_UPDATE_L1);
+	ASSERT(g_fmpt.gran_1g);
+	ASSERT(g_fmpt.prot == MPT_PROT_R);
+	return 0;
+}
+
+/* Start with 1G granule, overwrite the whole 1G with the same prot. */
+static int __init test_set_fmpt__fmpt_no_change_whole(void)
+{
+	init_fmpt(MPT_PROT_R, /*gran_1g*/ true);
+	__set_fmpt_range(&g_fmpt, 0, SZ_1G, MPT_PROT_R);
+	ASSERT(g_fmpt.flags == 0);
+	ASSERT(g_fmpt.gran_1g);
+	ASSERT(g_fmpt.prot == MPT_PROT_R);
+	return 0;
+}
+
+/* Start with 1G granule, partially overwrite with the same prot. */
+static int __init test_set_fmpt__fmpt_no_change_partial(void)
+{
+	init_fmpt(MPT_PROT_R, /*gran_1g*/ true);
+	__set_fmpt_range(&g_fmpt, 0, PAGE_SIZE, MPT_PROT_R);
+	ASSERT(g_fmpt.flags == 0);
+	ASSERT(g_fmpt.gran_1g);
+	ASSERT(g_fmpt.prot == MPT_PROT_R);
+	return 0;
+}
+
+/* Convert from 1G to PAGE_SIZE granule. */
+static int __init test_set_fmpt__fmpt_to_smpt(void)
+{
+	size_t start = 5 * SMPT_WORD_BYTE_RANGE / 2;
+	size_t end = 20 * SMPT_WORD_BYTE_RANGE;
+
+	init_fmpt(MPT_PROT_R, /*gran_1g*/ true);
+	__set_fmpt_range(&g_fmpt, start, end, MPT_PROT_RW);
+	ASSERT(g_fmpt.flags == (MPT_UPDATE_L1 | MPT_UPDATE_L2));
+	ASSERT(!g_fmpt.gran_1g);
+	return check_smpt(start, end, MPT_PROT_R, MPT_PROT_RW) ? 0 : 1;
+}
+
+/* Convert from PAGE_SIZE to 1G granule by overwriting the whole 1G. */
+static int __init test_set_fmpt__smpt_to_fmpt_whole(void)
+{
+	init_fmpt(MPT_PROT_NONE, /*gran_1g*/ false);
+	__set_fmpt_range(&g_fmpt, 0, SZ_1G, MPT_PROT_R);
+	ASSERT(g_fmpt.flags == MPT_UPDATE_L1);
+	ASSERT(g_fmpt.gran_1g);
+	ASSERT(g_fmpt.prot == MPT_PROT_R);
+	return 0;
+}
+
+/* Convert from PAGE_SIZE to 1G granule by making the SMPT uniform. */
+static int __init test_set_fmpt__smpt_to_fmpt_partial(void)
+{
+	size_t start = 5 * SMPT_WORD_BYTE_RANGE / 2;
+	size_t end = 20 * SMPT_WORD_BYTE_RANGE;
+
+	/* Create SMPT with all PROT_W except a small subrange. */
+	init_fmpt(MPT_PROT_W, /*gran_1g*/ false);
+	__set_smpt_range(g_smpt, start, end, MPT_PROT_RW);
+
+	/* Fill the subrange with PROT_W to make the SMPT uniform. */
+	__set_fmpt_range(&g_fmpt, start, end, MPT_PROT_W);
+	ASSERT(g_fmpt.flags == MPT_UPDATE_L1);
+	ASSERT(g_fmpt.gran_1g);
+	ASSERT(g_fmpt.prot == MPT_PROT_W);
+	return 0;
+}
+
+/* Keep PAGE_SIZE granule when SMPT not uniform after update. */
+static int __init test_set_fmpt__smpt_to_smpt(void)
+{
+	size_t start = SZ_1G - SMPT_GRAN;
+	size_t end = SZ_1G;
+
+	init_fmpt(MPT_PROT_NONE, /*gran_1g*/ false);
+	ASSERT(__is_smpt_uniform(g_smpt, MPT_PROT_NONE));
+
+	/* Fill the subrange with PROT_W to make the SMPT uniform. */
+	__set_fmpt_range(&g_fmpt, start, end, MPT_PROT_RW);
+	ASSERT(g_fmpt.flags == MPT_UPDATE_L2);
+	ASSERT(!g_fmpt.gran_1g);
+	ASSERT(!__is_smpt_uniform(g_smpt, MPT_PROT_NONE));
+	return 0;
+}
+
+static int __init __test_set_smpt(size_t start_byte, size_t end_byte)
+{
+	init_smpt(MPT_PROT_NONE);
+	__set_smpt_range(g_smpt, start_byte, end_byte, MPT_PROT_W);
+	return check_smpt(start_byte, end_byte, MPT_PROT_NONE, MPT_PROT_W) ? 0 : 1;
+}
+
+/* Range within one SMPT word, force a fallback to __set_smpt_range_slow. */
+static int __init test_set_smpt__within_one_word(void)
+{
+	return __test_set_smpt(3 * SMPT_WORD_BYTE_RANGE + 5 * PAGE_SIZE,
+			       3 * SMPT_WORD_BYTE_RANGE + 6 * PAGE_SIZE);
+}
+
+/* No whole SMPT word, force a fallback to __set_smpt_range_slow. */
+static int __init test_set_smpt__no_whole_word(void)
+{
+	return __test_set_smpt(3 * SMPT_WORD_BYTE_RANGE + 5 * PAGE_SIZE,
+			       4 * SMPT_WORD_BYTE_RANGE + 2 * PAGE_SIZE);
+}
+
+/* Both start and end aligned to SMPT word. */
+static int __init test_set_smpt__no_prologue_or_epilogue(void)
+{
+	return __test_set_smpt(10 * SMPT_WORD_BYTE_RANGE,
+			       20 * SMPT_WORD_BYTE_RANGE);
+}
+
+/* Start not aligned to SMPT word. */
+static int __init test_set_smpt__prologue(void)
+{
+	return __test_set_smpt(17 * SMPT_WORD_BYTE_RANGE / 2,
+			       20 * SMPT_WORD_BYTE_RANGE);
+}
+
+/* End not aligned to SMPT word. */
+static int __init test_set_smpt__epilogue(void)
+{
+	return __test_set_smpt(0, 17 * SMPT_WORD_BYTE_RANGE / 2);
+}
+
+/* Neither start nor end aligned to SMPT word. */
+static int __init test_set_smpt__prologue_and_epilogue(void)
+{
+	return __test_set_smpt(17 * SMPT_WORD_BYTE_RANGE / 2,
+			       31 * SMPT_WORD_BYTE_RANGE / 2);
+}
+
+static int __init __test_set_smpt_slow(size_t start_byte, size_t end_byte)
+{
+	init_smpt(MPT_PROT_NONE);
+	__set_smpt_range_slow(g_smpt, start_byte, end_byte, MPT_PROT_RW);
+	return check_smpt(start_byte, end_byte, MPT_PROT_NONE, MPT_PROT_RW) ? 0 : 1;
+}
+
+static int __init test_set_smpt_slow__empty_word_align(void)
+{
+	return __test_set_smpt_slow(3 * SMPT_WORD_BYTE_RANGE,
+				    3 * SMPT_WORD_BYTE_RANGE);
+}
+
+static int __init test_set_smpt_slow__empty_page_align(void)
+{
+	return __test_set_smpt_slow(3 * SMPT_WORD_BYTE_RANGE + PAGE_SIZE,
+				    3 * SMPT_WORD_BYTE_RANGE + PAGE_SIZE);
+}
+
+static int __init test_set_smpt_slow__one_whole_word(void)
+{
+	return __test_set_smpt_slow(3 * SMPT_WORD_BYTE_RANGE,
+				    4 * SMPT_WORD_BYTE_RANGE);
+}
+
+static int __init test_set_smpt_slow__one_partial_word(void)
+{
+	return __test_set_smpt_slow(3 * SMPT_WORD_BYTE_RANGE + PAGE_SIZE,
+				    4 * SMPT_WORD_BYTE_RANGE - PAGE_SIZE);
+}
+
+static int __init test_set_smpt_slow__multiple_whole_words(void)
+{
+	return __test_set_smpt_slow(13 * SMPT_WORD_BYTE_RANGE,
+				    17 * SMPT_WORD_BYTE_RANGE);
+}
+
+static int __init test_set_smpt_slow__multiple_partial_words(void)
+{
+	return __test_set_smpt_slow((13 * 2 + 1) * SMPT_WORD_BYTE_RANGE / 2,
+				    (17 * 4 + 1) * SMPT_WORD_BYTE_RANGE / 4);
+}
+
+static void __init selftest(void)
+{
+	KSTM_CHECK_ZERO(test_set_fmpt__fmpt_to_fmpt_whole());
+	KSTM_CHECK_ZERO(test_set_fmpt__fmpt_no_change_whole());
+	KSTM_CHECK_ZERO(test_set_fmpt__fmpt_no_change_partial());
+	KSTM_CHECK_ZERO(test_set_fmpt__fmpt_to_smpt());
+	KSTM_CHECK_ZERO(test_set_fmpt__smpt_to_fmpt_whole());
+	KSTM_CHECK_ZERO(test_set_fmpt__smpt_to_fmpt_partial());
+	KSTM_CHECK_ZERO(test_set_fmpt__smpt_to_smpt());
+
+	KSTM_CHECK_ZERO(test_set_smpt__within_one_word());
+	KSTM_CHECK_ZERO(test_set_smpt__no_whole_word());
+	KSTM_CHECK_ZERO(test_set_smpt__no_prologue_or_epilogue());
+	KSTM_CHECK_ZERO(test_set_smpt__prologue());
+	KSTM_CHECK_ZERO(test_set_smpt__epilogue());
+	KSTM_CHECK_ZERO(test_set_smpt__prologue_and_epilogue());
+
+	KSTM_CHECK_ZERO(test_set_smpt_slow__empty_word_align());
+	KSTM_CHECK_ZERO(test_set_smpt_slow__empty_page_align());
+	KSTM_CHECK_ZERO(test_set_smpt_slow__one_whole_word());
+	KSTM_CHECK_ZERO(test_set_smpt_slow__one_partial_word());
+	KSTM_CHECK_ZERO(test_set_smpt_slow__multiple_whole_words());
+	KSTM_CHECK_ZERO(test_set_smpt_slow__multiple_partial_words());
+}
+
+KSTM_MODULE_LOADERS(test_kvm_s2mpu);
+MODULE_AUTHOR("David Brazdil <dbrazdil@google.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm64/kvm/mmio.c b/arch/arm64/kvm/mmio.c
index 6a2826f..db6630c 100644
--- a/arch/arm64/kvm/mmio.c
+++ b/arch/arm64/kvm/mmio.c
@@ -115,7 +115,7 @@
 	 * The MMIO instruction is emulated and should not be re-executed
 	 * in the guest.
 	 */
-	kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+	kvm_incr_pc(vcpu);
 
 	return 0;
 }
@@ -133,9 +133,19 @@
 	/*
 	 * No valid syndrome? Ask userspace for help if it has
 	 * volunteered to do so, and bail out otherwise.
+	 *
+	 * In the protected VM case, there isn't much userspace can do
+	 * though, so directly deliver an exception to the guest.
 	 */
 	if (!kvm_vcpu_dabt_isvalid(vcpu)) {
-		if (vcpu->kvm->arch.return_nisv_io_abort_to_user) {
+		if (is_protected_kvm_enabled() &&
+		    kvm_vm_is_protected(vcpu->kvm)) {
+			kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));
+			return 1;
+		}
+
+		if (test_bit(KVM_ARCH_FLAG_RETURN_NISV_IO_ABORT_TO_USER,
+			     &vcpu->kvm->arch.flags)) {
 			run->exit_reason = KVM_EXIT_ARM_NISV;
 			run->arm_nisv.esr_iss = kvm_vcpu_dabt_iss_nisv_sanitized(vcpu);
 			run->arm_nisv.fault_ipa = fault_ipa;
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 2606845..70491d8 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -81,6 +81,7 @@
 void kvm_flush_remote_tlbs(struct kvm *kvm)
 {
 	kvm_call_hyp(__kvm_tlb_flush_vmid, &kvm->arch.mmu);
+	++kvm->stat.remote_tlb_flush;
 }
 
 static bool kvm_is_device_pfn(unsigned long pfn)
@@ -88,6 +89,54 @@
 	return !pfn_valid(pfn);
 }
 
+static void *stage2_memcache_zalloc_page(void *arg)
+{
+	struct kvm_mmu_memory_cache *mc = arg;
+
+	/* Allocated with __GFP_ZERO, so no need to zero */
+	return kvm_mmu_memory_cache_alloc(mc);
+}
+
+static void *kvm_host_zalloc_pages_exact(size_t size)
+{
+	return alloc_pages_exact(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
+}
+
+static void kvm_host_get_page(void *addr)
+{
+	get_page(virt_to_page(addr));
+}
+
+static void kvm_host_put_page(void *addr)
+{
+	put_page(virt_to_page(addr));
+}
+
+static int kvm_host_page_count(void *addr)
+{
+	return page_count(virt_to_page(addr));
+}
+
+static phys_addr_t kvm_host_pa(void *addr)
+{
+	return __pa(addr);
+}
+
+static void *kvm_host_va(phys_addr_t phys)
+{
+	return __va(phys);
+}
+
+static void clean_dcache_guest_page(void *va, size_t size)
+{
+	__clean_dcache_guest_page(va, size);
+}
+
+static void invalidate_icache_guest_page(void *va, size_t size)
+{
+	__invalidate_icache_guest_page(va, size);
+}
+
 /*
  * Unmapping vs dcache management:
  *
@@ -127,7 +176,7 @@
 static void __unmap_stage2_range(struct kvm_s2_mmu *mmu, phys_addr_t start, u64 size,
 				 bool may_block)
 {
-	struct kvm *kvm = mmu->kvm;
+	struct kvm *kvm = kvm_s2_mmu_to_kvm(mmu);
 	phys_addr_t end = start + size;
 
 	assert_spin_locked(&kvm->mmu_lock);
@@ -141,6 +190,22 @@
 	__unmap_stage2_range(mmu, start, size, true);
 }
 
+static void pkvm_stage2_flush(struct kvm *kvm)
+{
+	struct kvm_pinned_page *ppage;
+
+	/*
+	 * Contrary to stage2_apply_range(), we don't need to check
+	 * whether the VM is being torn down, as this is always called
+	 * from a vcpu thread, and the list is only ever freed on VM
+	 * destroy (which only occurs when all vcpu are gone).
+	 */
+	list_for_each_entry(ppage, &kvm->arch.pkvm.pinned_pages, link) {
+		__clean_dcache_guest_page(page_address(ppage->page), PAGE_SIZE);
+		cond_resched_lock(&kvm->mmu_lock);
+	}
+}
+
 static void stage2_flush_memslot(struct kvm *kvm,
 				 struct kvm_memory_slot *memslot)
 {
@@ -166,9 +231,13 @@
 	idx = srcu_read_lock(&kvm->srcu);
 	spin_lock(&kvm->mmu_lock);
 
-	slots = kvm_memslots(kvm);
-	kvm_for_each_memslot(memslot, slots)
-		stage2_flush_memslot(kvm, memslot);
+	if (!is_protected_kvm_enabled()) {
+		slots = kvm_memslots(kvm);
+		kvm_for_each_memslot(memslot, slots)
+			stage2_flush_memslot(kvm, memslot);
+	} else if (!kvm_vm_is_protected(kvm)) {
+		pkvm_stage2_flush(kvm);
+	}
 
 	spin_unlock(&kvm->mmu_lock);
 	srcu_read_unlock(&kvm->srcu, idx);
@@ -183,15 +252,40 @@
 	if (hyp_pgtable) {
 		kvm_pgtable_hyp_destroy(hyp_pgtable);
 		kfree(hyp_pgtable);
+		hyp_pgtable = NULL;
 	}
 	mutex_unlock(&kvm_hyp_pgd_mutex);
 }
 
+static bool kvm_host_owns_hyp_mappings(void)
+{
+	if (is_kernel_in_hyp_mode())
+		return false;
+
+	if (static_branch_likely(&kvm_protected_mode_initialized))
+		return false;
+
+	/*
+	 * This can happen at boot time when __create_hyp_mappings() is called
+	 * after the hyp protection has been enabled, but the static key has
+	 * not been flipped yet.
+	 */
+	if (!hyp_pgtable && is_protected_kvm_enabled())
+		return false;
+
+	WARN_ON(!hyp_pgtable);
+
+	return true;
+}
+
 static int __create_hyp_mappings(unsigned long start, unsigned long size,
 				 unsigned long phys, enum kvm_pgtable_prot prot)
 {
 	int err;
 
+	if (WARN_ON(!kvm_host_owns_hyp_mappings()))
+		return -EINVAL;
+
 	mutex_lock(&kvm_hyp_pgd_mutex);
 	err = kvm_pgtable_hyp_map(hyp_pgtable, start, size, phys, prot);
 	mutex_unlock(&kvm_hyp_pgd_mutex);
@@ -210,6 +304,140 @@
 	}
 }
 
+struct hyp_shared_pfn {
+	u64 pfn;
+	int count;
+	struct rb_node node;
+};
+
+static DEFINE_MUTEX(hyp_shared_pfns_lock);
+static struct rb_root hyp_shared_pfns = RB_ROOT;
+
+static struct hyp_shared_pfn *find_shared_pfn(u64 pfn, struct rb_node ***node,
+					      struct rb_node **parent)
+{
+	struct hyp_shared_pfn *this;
+
+	*node = &hyp_shared_pfns.rb_node;
+	*parent = NULL;
+	while (**node) {
+		this = container_of(**node, struct hyp_shared_pfn, node);
+		*parent = **node;
+		if (this->pfn < pfn)
+			*node = &((**node)->rb_left);
+		else if (this->pfn > pfn)
+			*node = &((**node)->rb_right);
+		else
+			return this;
+	}
+
+	return NULL;
+}
+
+static int share_pfn_hyp(u64 pfn)
+{
+	struct rb_node **node, *parent;
+	struct hyp_shared_pfn *this;
+	int ret = 0;
+
+	mutex_lock(&hyp_shared_pfns_lock);
+	this = find_shared_pfn(pfn, &node, &parent);
+	if (this) {
+		this->count++;
+		goto unlock;
+	}
+
+	this = kzalloc(sizeof(*this), GFP_KERNEL);
+	if (!this) {
+		ret = -ENOMEM;
+		goto unlock;
+	}
+
+	this->pfn = pfn;
+	this->count = 1;
+	rb_link_node(&this->node, parent, node);
+	rb_insert_color(&this->node, &hyp_shared_pfns);
+	ret = kvm_call_hyp_nvhe(__pkvm_host_share_hyp, pfn, 1);
+unlock:
+	mutex_unlock(&hyp_shared_pfns_lock);
+
+	return ret;
+}
+
+static int unshare_pfn_hyp(u64 pfn)
+{
+	struct rb_node **node, *parent;
+	struct hyp_shared_pfn *this;
+	int ret = 0;
+
+	mutex_lock(&hyp_shared_pfns_lock);
+	this = find_shared_pfn(pfn, &node, &parent);
+	if (WARN_ON(!this)) {
+		ret = -ENOENT;
+		goto unlock;
+	}
+
+	this->count--;
+	if (this->count)
+		goto unlock;
+
+	rb_erase(&this->node, &hyp_shared_pfns);
+	kfree(this);
+	ret = kvm_call_hyp_nvhe(__pkvm_host_unshare_hyp, pfn, 1);
+unlock:
+	mutex_unlock(&hyp_shared_pfns_lock);
+
+	return ret;
+}
+
+int kvm_share_hyp(void *from, void *to)
+{
+	phys_addr_t start, end, cur;
+	u64 pfn;
+	int ret;
+
+	if (is_kernel_in_hyp_mode())
+		return 0;
+
+	/*
+	 * The share hcall maps things in the 'fixed-offset' region of the hyp
+	 * VA space, so we can only share physically contiguous data-structures
+	 * for now.
+	 */
+	if (is_vmalloc_or_module_addr(from) || is_vmalloc_or_module_addr(to))
+		return -EINVAL;
+
+	if (kvm_host_owns_hyp_mappings())
+		return create_hyp_mappings(from, to, PAGE_HYP);
+
+	start = ALIGN_DOWN(__pa(from), PAGE_SIZE);
+	end = PAGE_ALIGN(__pa(to));
+	for (cur = start; cur < end; cur += PAGE_SIZE) {
+		pfn = __phys_to_pfn(cur);
+		ret = share_pfn_hyp(pfn);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+void kvm_unshare_hyp(void *from, void *to)
+{
+	phys_addr_t start, end, cur;
+	u64 pfn;
+
+	if (is_kernel_in_hyp_mode() || kvm_host_owns_hyp_mappings() || !from)
+		return;
+
+	start = ALIGN_DOWN(__pa(from), PAGE_SIZE);
+	end = PAGE_ALIGN(__pa(to));
+	for (cur = start; cur < end; cur += PAGE_SIZE) {
+		pfn = __phys_to_pfn(cur);
+		WARN_ON(unshare_pfn_hyp(pfn));
+	}
+}
+
 /**
  * create_hyp_mappings - duplicate a kernel virtual address range in Hyp mode
  * @from:	The virtual kernel start address of the range
@@ -230,6 +458,9 @@
 	if (is_kernel_in_hyp_mode())
 		return 0;
 
+	if (!kvm_host_owns_hyp_mappings())
+		return -EPERM;
+
 	start = start & PAGE_MASK;
 	end = PAGE_ALIGN(end);
 
@@ -253,6 +484,16 @@
 	unsigned long base;
 	int ret = 0;
 
+	if (!kvm_host_owns_hyp_mappings()) {
+		base = kvm_call_hyp_nvhe(__pkvm_create_private_mapping,
+					 phys_addr, size, prot);
+		if (IS_ERR_OR_NULL((void *)base))
+			return PTR_ERR((void *)base);
+		*haddr = base;
+
+		return 0;
+	}
+
 	mutex_lock(&kvm_hyp_pgd_mutex);
 
 	/*
@@ -304,6 +545,9 @@
 	unsigned long addr;
 	int ret;
 
+	if (is_protected_kvm_enabled())
+		return -EPERM;
+
 	*kaddr = ioremap(phys_addr, size);
 	if (!*kaddr)
 		return -ENOMEM;
@@ -351,30 +595,99 @@
 	return 0;
 }
 
+static struct kvm_pgtable_mm_ops kvm_user_mm_ops = {
+	/* We shouldn't need any other callback to walk the PT */
+	.phys_to_virt		= kvm_host_va,
+};
+
+static int get_user_mapping_size(struct kvm *kvm, u64 addr)
+{
+	struct kvm_pgtable pgt = {
+		.pgd		= (kvm_pte_t *)kvm->mm->pgd,
+		.ia_bits	= vabits_actual,
+		.start_level	= (KVM_PGTABLE_MAX_LEVELS -
+				   CONFIG_PGTABLE_LEVELS),
+		.mm_ops		= &kvm_user_mm_ops,
+	};
+	kvm_pte_t pte = 0;	/* Keep GCC quiet... */
+	u32 level = ~0;
+	int ret;
+
+	ret = kvm_pgtable_get_leaf(&pgt, addr, &pte, &level);
+	VM_BUG_ON(ret);
+	VM_BUG_ON(level >= KVM_PGTABLE_MAX_LEVELS);
+	VM_BUG_ON(!(pte & PTE_VALID));
+
+	return BIT(ARM64_HW_PGTABLE_LEVEL_SHIFT(level));
+}
+
+static struct kvm_pgtable_mm_ops kvm_s2_mm_ops = {
+	.zalloc_page		= stage2_memcache_zalloc_page,
+	.zalloc_pages_exact	= kvm_host_zalloc_pages_exact,
+	.free_pages_exact	= free_pages_exact,
+	.get_page		= kvm_host_get_page,
+	.put_page		= kvm_host_put_page,
+	.page_count		= kvm_host_page_count,
+	.phys_to_virt		= kvm_host_va,
+	.virt_to_phys		= kvm_host_pa,
+	.dcache_clean_inval_poc	= clean_dcache_guest_page,
+	.icache_inval_pou	= invalidate_icache_guest_page,
+};
+
 /**
  * kvm_init_stage2_mmu - Initialise a S2 MMU strucrure
  * @kvm:	The pointer to the KVM structure
  * @mmu:	The pointer to the s2 MMU structure
+ * @type:	The machine type of the virtual machine
  *
  * Allocates only the stage-2 HW PGD level table(s).
  * Note we don't need locking here as this is only called when the VM is
  * created, which can only be done once.
  */
-int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu)
+int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long type)
 {
+	u32 kvm_ipa_limit = get_kvm_ipa_limit();
 	int cpu, err;
 	struct kvm_pgtable *pgt;
+	u64 mmfr0, mmfr1;
+	u32 phys_shift;
+
+	phys_shift = KVM_VM_TYPE_ARM_IPA_SIZE(type);
+	if (is_protected_kvm_enabled()) {
+		phys_shift = kvm_ipa_limit;
+	} else if (phys_shift) {
+		if (phys_shift > kvm_ipa_limit ||
+		    phys_shift < ARM64_MIN_PARANGE_BITS)
+			return -EINVAL;
+	} else {
+		phys_shift = KVM_PHYS_SHIFT;
+		if (phys_shift > kvm_ipa_limit) {
+			pr_warn_once("%s using unsupported default IPA limit, upgrade your VMM\n",
+				     current->comm);
+			return -EINVAL;
+		}
+	}
+
+	mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
+	mmfr1 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
+	kvm->arch.vtcr = kvm_get_vtcr(mmfr0, mmfr1, phys_shift);
+	INIT_LIST_HEAD(&kvm->arch.pkvm.pinned_pages);
+	mmu->arch = &kvm->arch;
+
+	if (is_protected_kvm_enabled())
+		return 0;
 
 	if (mmu->pgt != NULL) {
 		kvm_err("kvm_arch already initialized?\n");
 		return -EINVAL;
 	}
 
-	pgt = kzalloc(sizeof(*pgt), GFP_KERNEL);
+	pgt = kzalloc(sizeof(*pgt), GFP_KERNEL_ACCOUNT);
 	if (!pgt)
 		return -ENOMEM;
 
-	err = kvm_pgtable_stage2_init(pgt, kvm);
+	mmu->arch = &kvm->arch;
+	err = kvm_pgtable_stage2_init(pgt, mmu, &kvm_s2_mm_ops);
 	if (err)
 		goto out_free_pgtable;
 
@@ -387,10 +700,9 @@
 	for_each_possible_cpu(cpu)
 		*per_cpu_ptr(mmu->last_vcpu_ran, cpu) = -1;
 
-	mmu->kvm = kvm;
 	mmu->pgt = pgt;
 	mmu->pgd_phys = __pa(pgt->pgd);
-	mmu->vmid.vmid_gen = 0;
+	WRITE_ONCE(mmu->vmid.vmid_gen, 0);
 	return 0;
 
 out_destroy_pgtable:
@@ -421,10 +733,11 @@
 	 *     +--------------------------------------------+
 	 */
 	do {
-		struct vm_area_struct *vma = find_vma(current->mm, hva);
+		struct vm_area_struct *vma;
 		hva_t vm_start, vm_end;
 
-		if (!vma || vma->vm_start >= reg_end)
+		vma = find_vma_intersection(current->mm, hva, reg_end);
+		if (!vma)
 			break;
 
 		/*
@@ -469,9 +782,12 @@
 
 void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu)
 {
-	struct kvm *kvm = mmu->kvm;
+	struct kvm *kvm = kvm_s2_mmu_to_kvm(mmu);
 	struct kvm_pgtable *pgt = NULL;
 
+	if (is_protected_kvm_enabled())
+		return;
+
 	spin_lock(&kvm->mmu_lock);
 	pgt = mmu->pgt;
 	if (pgt) {
@@ -487,6 +803,34 @@
 	}
 }
 
+static void hyp_mc_free_fn(void *addr, void *unused)
+{
+	free_page((unsigned long)addr);
+}
+
+static void *hyp_mc_alloc_fn(void *unused)
+{
+	return (void *)__get_free_page(GFP_KERNEL_ACCOUNT);
+}
+
+void free_hyp_memcache(struct kvm_hyp_memcache *mc)
+{
+	if (is_protected_kvm_enabled())
+		__free_hyp_memcache(mc, hyp_mc_free_fn,
+				    kvm_host_va, NULL);
+}
+
+int topup_hyp_memcache(struct kvm_vcpu *vcpu)
+{
+	if (!is_protected_kvm_enabled())
+		return 0;
+
+	return __topup_hyp_memcache(&vcpu->arch.pkvm_memcache,
+				    kvm_mmu_cache_min_pages(vcpu->kvm),
+				    hyp_mc_alloc_fn,
+				    kvm_host_pa, NULL);
+}
+
 /**
  * kvm_phys_addr_ioremap - map a device range to guest IPA
  *
@@ -507,6 +851,9 @@
 				     KVM_PGTABLE_PROT_R |
 				     (writable ? KVM_PGTABLE_PROT_W : 0);
 
+	if (is_protected_kvm_enabled())
+		return -EPERM;
+
 	size += offset_in_page(guest_ipa);
 	guest_ipa &= PAGE_MASK;
 
@@ -538,7 +885,7 @@
  */
 static void stage2_wp_range(struct kvm_s2_mmu *mmu, phys_addr_t addr, phys_addr_t end)
 {
-	struct kvm *kvm = mmu->kvm;
+	struct kvm *kvm = kvm_s2_mmu_to_kvm(mmu);
 	stage2_apply_range_resched(kvm, addr, end, kvm_pgtable_stage2_wrprotect);
 }
 
@@ -555,7 +902,7 @@
  * Acquires kvm_mmu_lock. Called with kvm->slots_lock mutex acquired,
  * serializing operations for VM memory regions.
  */
-void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot)
+static void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot)
 {
 	struct kvm_memslots *slots = kvm_memslots(kvm);
 	struct kvm_memory_slot *memslot = id_to_memslot(slots, slot);
@@ -609,16 +956,6 @@
 	kvm_mmu_write_protect_pt_masked(kvm, slot, gfn_offset, mask);
 }
 
-static void clean_dcache_guest_page(kvm_pfn_t pfn, unsigned long size)
-{
-	__clean_dcache_guest_page(pfn, size);
-}
-
-static void invalidate_icache_guest_page(kvm_pfn_t pfn, unsigned long size)
-{
-	__invalidate_icache_guest_page(pfn, size);
-}
-
 static void kvm_send_hwpoison_signal(unsigned long address, short lsb)
 {
 	send_sig_mceerr(BUS_MCEERR_AR, (void __user *)address, lsb, current);
@@ -694,7 +1031,7 @@
  * Returns the size of the mapping.
  */
 static unsigned long
-transparent_hugepage_adjust(struct kvm_memory_slot *memslot,
+transparent_hugepage_adjust(struct kvm *kvm, struct kvm_memory_slot *memslot,
 			    unsigned long hva, kvm_pfn_t *pfnp,
 			    phys_addr_t *ipap)
 {
@@ -705,8 +1042,8 @@
 	 * sure that the HVA and IPA are sufficiently aligned and that the
 	 * block map is contained within the memslot.
 	 */
-	if (kvm_is_transparent_hugepage(pfn) &&
-	    fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE)) {
+	if (fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE) &&
+	    get_user_mapping_size(kvm, hva) >= PMD_SIZE) {
 		/*
 		 * The address we faulted on is backed by a transparent huge
 		 * page.  However, because we map the compound huge page and
@@ -728,7 +1065,7 @@
 		*ipap &= PMD_MASK;
 		kvm_release_pfn_clean(pfn);
 		pfn &= ~(PTRS_PER_PMD - 1);
-		kvm_get_pfn(pfn);
+		get_page(pfn_to_page(pfn));
 		*pfnp = pfn;
 
 		return PMD_SIZE;
@@ -738,6 +1075,169 @@
 	return PAGE_SIZE;
 }
 
+static int get_vma_page_shift(struct vm_area_struct *vma, unsigned long hva)
+{
+	unsigned long pa;
+
+	if (is_vm_hugetlb_page(vma) && !(vma->vm_flags & VM_PFNMAP))
+		return huge_page_shift(hstate_vma(vma));
+
+	if (!(vma->vm_flags & VM_PFNMAP))
+		return PAGE_SHIFT;
+
+	VM_BUG_ON(is_vm_hugetlb_page(vma));
+
+	pa = (vma->vm_pgoff << PAGE_SHIFT) + (hva - vma->vm_start);
+
+#ifndef __PAGETABLE_PMD_FOLDED
+	if ((hva & (PUD_SIZE - 1)) == (pa & (PUD_SIZE - 1)) &&
+	    ALIGN_DOWN(hva, PUD_SIZE) >= vma->vm_start &&
+	    ALIGN(hva, PUD_SIZE) <= vma->vm_end)
+		return PUD_SHIFT;
+#endif
+
+	if ((hva & (PMD_SIZE - 1)) == (pa & (PMD_SIZE - 1)) &&
+	    ALIGN_DOWN(hva, PMD_SIZE) >= vma->vm_start &&
+	    ALIGN(hva, PMD_SIZE) <= vma->vm_end)
+		return PMD_SHIFT;
+
+	return PAGE_SHIFT;
+}
+
+/*
+ * The page will be mapped in stage 2 as Normal Cacheable, so the VM will be
+ * able to see the page's tags and therefore they must be initialised first. If
+ * PG_mte_tagged is set, tags have already been initialised.
+ *
+ * The race in the test/set of the PG_mte_tagged flag is handled by:
+ * - preventing VM_SHARED mappings in a memslot with MTE preventing two VMs
+ *   racing to santise the same page
+ * - mmap_lock protects between a VM faulting a page in and the VMM performing
+ *   an mprotect() to add VM_MTE
+ */
+static int sanitise_mte_tags(struct kvm *kvm, kvm_pfn_t pfn,
+			     unsigned long size)
+{
+	unsigned long i, nr_pages = size >> PAGE_SHIFT;
+	struct page *page;
+
+	if (!kvm_has_mte(kvm))
+		return 0;
+
+	/*
+	 * pfn_to_online_page() is used to reject ZONE_DEVICE pages
+	 * that may not support tags.
+	 */
+	page = pfn_to_online_page(pfn);
+
+	if (!page)
+		return -EFAULT;
+
+	for (i = 0; i < nr_pages; i++, page++) {
+		if (!test_bit(PG_mte_tagged, &page->flags)) {
+			mte_clear_page_tags(page_address(page));
+			set_bit(PG_mte_tagged, &page->flags);
+		}
+	}
+
+	return 0;
+}
+
+static int pkvm_host_donate_guest(u64 pfn, u64 gfn)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_1_1_hvc(KVM_HOST_SMCCC_FUNC(__pkvm_host_donate_guest),
+			  pfn, gfn, &res);
+	WARN_ON(res.a0 != SMCCC_RET_SUCCESS);
+
+	/*
+	 * Getting -EPERM at this point implies that the pfn has already been
+	 * donated. This should only ever happen when two vCPUs faulted on the
+	 * same page, and the current one lost the race to do the donation.
+	 */
+	return (res.a1 == -EPERM) ? -EAGAIN : res.a1;
+}
+
+static int pkvm_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
+			  unsigned long hva)
+{
+	struct mm_struct *mm = current->mm;
+	unsigned int flags = FOLL_HWPOISON | FOLL_LONGTERM | FOLL_WRITE;
+	struct kvm_pinned_page *ppage;
+	struct kvm *kvm = vcpu->kvm;
+	struct page *page;
+	u64 pfn;
+	int ret;
+
+	ret = topup_hyp_memcache(vcpu);
+	if (ret)
+		return -ENOMEM;
+
+	ppage = kmalloc(sizeof(*ppage), GFP_KERNEL_ACCOUNT);
+	if (!ppage)
+		return -ENOMEM;
+
+	ret = account_locked_vm(mm, 1, true);
+	if (ret)
+		goto free_ppage;
+
+	mmap_read_lock(mm);
+	ret = pin_user_pages(hva, 1, flags, &page, NULL);
+	mmap_read_unlock(mm);
+
+	if (ret == -EHWPOISON) {
+		kvm_send_hwpoison_signal(hva, PAGE_SHIFT);
+		ret = 0;
+		goto dec_account;
+	} else if (ret != 1) {
+		ret = -EFAULT;
+		goto dec_account;
+	} else if (!PageSwapBacked(page)) {
+		/*
+		 * We really can't deal with page-cache pages returned by GUP
+		 * because (a) we may trigger writeback of a page for which we
+		 * no longer have access and (b) page_mkclean() won't find the
+		 * stage-2 mapping in the rmap so we can get out-of-whack with
+		 * the filesystem when marking the page dirty during unpinning.
+		 *
+		 * Ideally we'd just restrict ourselves to anonymous pages, but
+		 * we also want to allow memfd (i.e. shmem) pages, so check for
+		 * pages backed by swap in the knowledge that the GUP pin will
+		 * prevent try_to_unmap() from succeeding.
+		 */
+		ret = -EIO;
+		goto unpin;
+	}
+
+	spin_lock(&kvm->mmu_lock);
+	pfn = page_to_pfn(page);
+	ret = pkvm_host_donate_guest(pfn, fault_ipa >> PAGE_SHIFT);
+	if (ret) {
+		if (ret == -EAGAIN)
+			ret = 0;
+		goto unlock;
+	}
+
+	ppage->page = page;
+	INIT_LIST_HEAD(&ppage->link);
+	list_add(&ppage->link, &kvm->arch.pkvm.pinned_pages);
+	spin_unlock(&kvm->mmu_lock);
+
+	return 0;
+
+unlock:
+	spin_unlock(&kvm->mmu_lock);
+unpin:
+	unpin_user_pages(&page, 1);
+dec_account:
+	account_locked_vm(mm, 1, false);
+free_ppage:
+	kfree(ppage);
+
+	return ret;
+}
+
 static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
 			  struct kvm_memory_slot *memslot, unsigned long hva,
 			  unsigned long fault_status)
@@ -746,6 +1246,7 @@
 	bool write_fault, writable, force_pte = false;
 	bool exec_fault;
 	bool device = false;
+	bool shared;
 	unsigned long mmu_seq;
 	struct kvm *kvm = vcpu->kvm;
 	struct kvm_mmu_memory_cache *memcache = &vcpu->arch.mmu_page_cache;
@@ -769,7 +1270,10 @@
 		return -EFAULT;
 	}
 
-	/* Let's check if we will get back a huge page backed by hugetlbfs */
+	/*
+	 * Let's check if we will get back a huge page backed by hugetlbfs, or
+	 * get block mapping for device MMIO region.
+	 */
 	mmap_read_lock(current->mm);
 	vma = find_vma_intersection(current->mm, hva, hva + 1);
 	if (unlikely(!vma)) {
@@ -778,17 +1282,19 @@
 		return -EFAULT;
 	}
 
-	if (is_vm_hugetlb_page(vma))
-		vma_shift = huge_page_shift(hstate_vma(vma));
-	else
-		vma_shift = PAGE_SHIFT;
-
-	if (logging_active ||
-	    (vma->vm_flags & VM_PFNMAP)) {
+	/*
+	 * logging_active is guaranteed to never be true for VM_PFNMAP
+	 * memslots.
+	 */
+	if (logging_active) {
 		force_pte = true;
 		vma_shift = PAGE_SHIFT;
+	} else {
+		vma_shift = get_vma_page_shift(vma, hva);
 	}
 
+	shared = (vma->vm_flags & VM_SHARED);
+
 	switch (vma_shift) {
 #ifndef __PAGETABLE_PMD_FOLDED
 	case PUD_SHIFT:
@@ -842,10 +1348,15 @@
 	 * unmapped afterwards, the call to kvm_unmap_hva will take it away
 	 * from us again properly. This smp_rmb() interacts with the smp_wmb()
 	 * in kvm_mmu_notifier_invalidate_<page|range_end>.
+	 *
+	 * Besides, __gfn_to_pfn_memslot() instead of gfn_to_pfn_prot() is
+	 * used to avoid unnecessary overhead introduced to locate the memory
+	 * slot because it's always fixed even @gfn is adjusted for huge pages.
 	 */
 	smp_rmb();
 
-	pfn = gfn_to_pfn_prot(kvm, gfn, write_fault, &writable);
+	pfn = __gfn_to_pfn_memslot(memslot, gfn, false, NULL,
+				   write_fault, &writable);
 	if (pfn == KVM_PFN_ERR_HWPOISON) {
 		kvm_send_hwpoison_signal(hva, vma_shift);
 		return 0;
@@ -854,8 +1365,17 @@
 		return -EFAULT;
 
 	if (kvm_is_device_pfn(pfn)) {
+		/*
+		 * If the page was identified as device early by looking at
+		 * the VMA flags, vma_pagesize is already representing the
+		 * largest quantity we can map.  If instead it was mapped
+		 * via gfn_to_pfn_prot(), vma_pagesize is set to PAGE_SIZE
+		 * and must not be upgraded.
+		 *
+		 * In both cases, we don't let transparent_hugepage_adjust()
+		 * change things at the last minute.
+		 */
 		device = true;
-		force_pte = true;
 	} else if (logging_active && !write_fault) {
 		/*
 		 * Only actually map the page as writable if this was a write
@@ -876,22 +1396,30 @@
 	 * If we are not forced to use page mapping, check if we are
 	 * backed by a THP and thus use block mapping if possible.
 	 */
-	if (vma_pagesize == PAGE_SIZE && !force_pte)
-		vma_pagesize = transparent_hugepage_adjust(memslot, hva,
-							   &pfn, &fault_ipa);
-	if (writable) {
+	if (vma_pagesize == PAGE_SIZE && !(force_pte || device)) {
+		if (fault_status == FSC_PERM && fault_granule > PAGE_SIZE)
+			vma_pagesize = fault_granule;
+		else
+			vma_pagesize = transparent_hugepage_adjust(kvm, memslot,
+								   hva, &pfn,
+								   &fault_ipa);
+	}
+
+	if (fault_status != FSC_PERM && !device && kvm_has_mte(kvm)) {
+		/* Check the VMM hasn't introduced a new VM_SHARED VMA */
+		if (!shared)
+			ret = sanitise_mte_tags(kvm, pfn, vma_pagesize);
+		else
+			ret = -EFAULT;
+		if (ret)
+			goto out_unlock;
+	}
+
+	if (writable)
 		prot |= KVM_PGTABLE_PROT_W;
-		kvm_set_pfn_dirty(pfn);
-		mark_page_dirty(kvm, gfn);
-	}
 
-	if (fault_status != FSC_PERM && !device)
-		clean_dcache_guest_page(pfn, vma_pagesize);
-
-	if (exec_fault) {
+	if (exec_fault)
 		prot |= KVM_PGTABLE_PROT_X;
-		invalidate_icache_guest_page(pfn, vma_pagesize);
-	}
 
 	if (device)
 		prot |= KVM_PGTABLE_PROT_DEVICE;
@@ -911,11 +1439,17 @@
 					     memcache);
 	}
 
+	/* Mark the page dirty only if the fault is handled successfully */
+	if (writable && !ret) {
+		kvm_set_pfn_dirty(pfn);
+		mark_page_dirty_in_slot(memslot, gfn);
+	}
+
 out_unlock:
 	spin_unlock(&kvm->mmu_lock);
 	kvm_set_pfn_accessed(pfn);
 	kvm_release_pfn_clean(pfn);
-	return ret;
+	return ret != -EAGAIN ? ret : 0;
 }
 
 /* Resolve the access fault by making the page young again. */
@@ -1023,7 +1557,7 @@
 		 * cautious, and skip the instruction.
 		 */
 		if (kvm_is_error_hva(hva) && kvm_vcpu_dabt_is_cm(vcpu)) {
-			kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+			kvm_incr_pc(vcpu);
 			ret = 1;
 			goto out_unlock;
 		}
@@ -1034,7 +1568,7 @@
 		 * faulting VA. This is always 12 bits, irrespective
 		 * of the page size.
 		 */
-		fault_ipa |= kvm_vcpu_get_hfar(vcpu) & ((1 << 12) - 1);
+		fault_ipa |= kvm_vcpu_get_hfar(vcpu) & FAR_MASK;
 		ret = io_mem_abort(vcpu, fault_ipa);
 		goto out_unlock;
 	}
@@ -1048,7 +1582,11 @@
 		goto out_unlock;
 	}
 
-	ret = user_mem_abort(vcpu, fault_ipa, memslot, hva, fault_status);
+
+	if (is_protected_kvm_enabled())
+		ret = pkvm_mem_abort(vcpu, fault_ipa, hva);
+	else
+		ret = user_mem_abort(vcpu, fault_ipa, memslot, hva, fault_status);
 	if (ret == 0)
 		ret = 1;
 out:
@@ -1116,10 +1654,19 @@
 static int kvm_set_spte_handler(struct kvm *kvm, gpa_t gpa, u64 size, void *data)
 {
 	kvm_pfn_t *pfn = (kvm_pfn_t *)data;
+	int ret;
 
 	WARN_ON(size != PAGE_SIZE);
 
+	ret = sanitise_mte_tags(kvm, *pfn, PAGE_SIZE);
+	if (ret)
+		return 0;
+
 	/*
+	 * We've moved a page around, probably through CoW, so let's treat
+	 * it just like a translation fault and the map handler will clean
+	 * the cache to the PoC.
+	 *
 	 * The MMU notifiers will have unmapped a huge PMD before calling
 	 * ->change_pte() (which in turn calls kvm_set_spte_hva()) and
 	 * therefore we never need to clear out a huge PMD through this
@@ -1140,11 +1687,6 @@
 
 	trace_kvm_set_spte_hva(hva);
 
-	/*
-	 * We've moved a page around, probably through CoW, so let's treat it
-	 * just like a translation fault and clean the cache to the PoC.
-	 */
-	clean_dcache_guest_page(pfn, PAGE_SIZE);
 	handle_hva_to_gpa(kvm, hva, end, &kvm_set_spte_handler, &pfn);
 	return 0;
 }
@@ -1205,10 +1747,22 @@
 	return err;
 }
 
-int kvm_mmu_init(void)
+static void *kvm_hyp_zalloc_page(void *arg)
+{
+	return (void *)get_zeroed_page(GFP_KERNEL);
+}
+
+static struct kvm_pgtable_mm_ops kvm_hyp_mm_ops = {
+	.zalloc_page		= kvm_hyp_zalloc_page,
+	.get_page		= kvm_host_get_page,
+	.put_page		= kvm_host_put_page,
+	.phys_to_virt		= kvm_host_va,
+	.virt_to_phys		= kvm_host_pa,
+};
+
+int kvm_mmu_init(u32 *hyp_va_bits)
 {
 	int err;
-	u32 hyp_va_bits;
 
 	hyp_idmap_start = __pa_symbol(__hyp_idmap_text_start);
 	hyp_idmap_start = ALIGN_DOWN(hyp_idmap_start, PAGE_SIZE);
@@ -1222,8 +1776,8 @@
 	 */
 	BUG_ON((hyp_idmap_start ^ (hyp_idmap_end - 1)) & PAGE_MASK);
 
-	hyp_va_bits = 64 - ((idmap_t0sz & TCR_T0SZ_MASK) >> TCR_T0SZ_OFFSET);
-	kvm_debug("Using %u-bit virtual addresses at EL2\n", hyp_va_bits);
+	*hyp_va_bits = 64 - ((idmap_t0sz & TCR_T0SZ_MASK) >> TCR_T0SZ_OFFSET);
+	kvm_debug("Using %u-bit virtual addresses at EL2\n", *hyp_va_bits);
 	kvm_debug("IDMAP page: %lx\n", hyp_idmap_start);
 	kvm_debug("HYP VA range: %lx:%lx\n",
 		  kern_hyp_va(PAGE_OFFSET),
@@ -1248,7 +1802,7 @@
 		goto out;
 	}
 
-	err = kvm_pgtable_hyp_init(hyp_pgtable, hyp_va_bits);
+	err = kvm_pgtable_hyp_init(hyp_pgtable, *hyp_va_bits, &kvm_hyp_mm_ops);
 	if (err)
 		goto out_free_pgtable;
 
@@ -1298,9 +1852,15 @@
 {
 	hva_t hva = mem->userspace_addr;
 	hva_t reg_end = hva + mem->memory_size;
-	bool writable = !(mem->flags & KVM_MEM_READONLY);
 	int ret = 0;
 
+	/* In protected mode, cannot modify memslots once a VM has run. */
+	if (is_protected_kvm_enabled() &&
+	    (change == KVM_MR_DELETE || change == KVM_MR_MOVE) &&
+	    kvm->arch.pkvm.shadow_handle) {
+		return -EPERM;
+	}
+
 	if (change != KVM_MR_CREATE && change != KVM_MR_MOVE &&
 			change != KVM_MR_FLAGS_ONLY)
 		return 0;
@@ -1315,8 +1875,7 @@
 	mmap_read_lock(current->mm);
 	/*
 	 * A memory region could potentially cover multiple VMAs, and any holes
-	 * between them, so iterate over all of them to find out if we can map
-	 * any of them right now.
+	 * between them, so iterate over all of them.
 	 *
 	 *     +--------------------------------------------+
 	 * +---------------+----------------+   +----------------+
@@ -1326,51 +1885,32 @@
 	 *     +--------------------------------------------+
 	 */
 	do {
-		struct vm_area_struct *vma = find_vma(current->mm, hva);
-		hva_t vm_start, vm_end;
+		struct vm_area_struct *vma;
 
-		if (!vma || vma->vm_start >= reg_end)
+		vma = find_vma_intersection(current->mm, hva, reg_end);
+		if (!vma)
 			break;
 
 		/*
-		 * Take the intersection of this VMA with the memory region
+		 * VM_SHARED mappings are not allowed with MTE to avoid races
+		 * when updating the PG_mte_tagged page flag, see
+		 * sanitise_mte_tags for more details.
 		 */
-		vm_start = max(hva, vma->vm_start);
-		vm_end = min(reg_end, vma->vm_end);
+		if (kvm_has_mte(kvm) && vma->vm_flags & VM_SHARED) {
+			ret = -EINVAL;
+			break;
+		}
 
 		if (vma->vm_flags & VM_PFNMAP) {
-			gpa_t gpa = mem->guest_phys_addr +
-				    (vm_start - mem->userspace_addr);
-			phys_addr_t pa;
-
-			pa = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT;
-			pa += vm_start - vma->vm_start;
-
 			/* IO region dirty page logging not allowed */
 			if (memslot->flags & KVM_MEM_LOG_DIRTY_PAGES) {
 				ret = -EINVAL;
-				goto out;
-			}
-
-			ret = kvm_phys_addr_ioremap(kvm, gpa, pa,
-						    vm_end - vm_start,
-						    writable);
-			if (ret)
 				break;
+			}
 		}
-		hva = vm_end;
+		hva = min(reg_end, vma->vm_end);
 	} while (hva < reg_end);
 
-	if (change == KVM_MR_FLAGS_ONLY)
-		goto out;
-
-	spin_lock(&kvm->mmu_lock);
-	if (ret)
-		unmap_stage2_range(&kvm->arch.mmu, mem->guest_phys_addr, mem->memory_size);
-	else if (!cpus_have_final_cap(ARM64_HAS_STAGE2_FWB))
-		stage2_flush_memslot(kvm, memslot);
-	spin_unlock(&kvm->mmu_lock);
-out:
 	mmap_read_unlock(current->mm);
 	return ret;
 }
@@ -1394,6 +1934,10 @@
 	gpa_t gpa = slot->base_gfn << PAGE_SHIFT;
 	phys_addr_t size = slot->npages << PAGE_SHIFT;
 
+	/* Stage-2 is managed by hyp in protected mode. */
+	if (is_protected_kvm_enabled())
+		return;
+
 	spin_lock(&kvm->mmu_lock);
 	unmap_stage2_range(&kvm->arch.mmu, gpa, size);
 	spin_unlock(&kvm->mmu_lock);
diff --git a/arch/arm64/kvm/perf.c b/arch/arm64/kvm/perf.c
index d45b8b9..c84fe24 100644
--- a/arch/arm64/kvm/perf.c
+++ b/arch/arm64/kvm/perf.c
@@ -11,6 +11,8 @@
 
 #include <asm/kvm_emulate.h>
 
+DEFINE_STATIC_KEY_FALSE(kvm_arm_pmu_available);
+
 static int kvm_is_in_guest(void)
 {
         return kvm_get_running_vcpu() != NULL;
diff --git a/arch/arm64/kvm/pkvm.c b/arch/arm64/kvm/pkvm.c
new file mode 100644
index 0000000..e335c9b
--- /dev/null
+++ b/arch/arm64/kvm/pkvm.c
@@ -0,0 +1,355 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/io.h>
+#include <linux/kvm_host.h>
+#include <linux/memblock.h>
+#include <linux/mm.h>
+#include <linux/mutex.h>
+#include <linux/of_fdt.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/sort.h>
+
+#include <asm/kvm_pkvm.h>
+
+#include "hyp_constants.h"
+
+static struct reserved_mem *pkvm_firmware_mem;
+static phys_addr_t *pvmfw_base = &kvm_nvhe_sym(pvmfw_base);
+static phys_addr_t *pvmfw_size = &kvm_nvhe_sym(pvmfw_size);
+
+static struct memblock_region *hyp_memory = kvm_nvhe_sym(hyp_memory);
+static unsigned int *hyp_memblock_nr_ptr = &kvm_nvhe_sym(hyp_memblock_nr);
+
+phys_addr_t hyp_mem_base;
+phys_addr_t hyp_mem_size;
+
+static int cmp_hyp_memblock(const void *p1, const void *p2)
+{
+	const struct memblock_region *r1 = p1;
+	const struct memblock_region *r2 = p2;
+
+	return r1->base < r2->base ? -1 : (r1->base > r2->base);
+}
+
+static void __init sort_memblock_regions(void)
+{
+	sort(hyp_memory,
+	     *hyp_memblock_nr_ptr,
+	     sizeof(struct memblock_region),
+	     cmp_hyp_memblock,
+	     NULL);
+}
+
+static int __init register_memblock_regions(void)
+{
+	struct memblock_region *reg;
+
+	for_each_mem_region(reg) {
+		if (*hyp_memblock_nr_ptr >= HYP_MEMBLOCK_REGIONS)
+			return -ENOMEM;
+
+		hyp_memory[*hyp_memblock_nr_ptr] = *reg;
+		(*hyp_memblock_nr_ptr)++;
+	}
+	sort_memblock_regions();
+
+	return 0;
+}
+
+void __init kvm_hyp_reserve(void)
+{
+	u64 hyp_mem_pages = 0;
+	int ret;
+
+	if (!is_hyp_mode_available() || is_kernel_in_hyp_mode())
+		return;
+
+	if (kvm_get_mode() != KVM_MODE_PROTECTED)
+		return;
+
+	ret = register_memblock_regions();
+	if (ret) {
+		*hyp_memblock_nr_ptr = 0;
+		kvm_err("Failed to register hyp memblocks: %d\n", ret);
+		return;
+	}
+
+	hyp_mem_pages += hyp_s1_pgtable_pages();
+	hyp_mem_pages += host_s2_pgtable_pages();
+	hyp_mem_pages += hyp_shadow_table_pages(KVM_SHADOW_VM_SIZE);
+	hyp_mem_pages += hyp_vmemmap_pages(STRUCT_HYP_PAGE_SIZE);
+	hyp_mem_pages += hyp_ffa_proxy_pages();
+
+	/*
+	 * Try to allocate a PMD-aligned region to reduce TLB pressure once
+	 * this is unmapped from the host stage-2, and fallback to PAGE_SIZE.
+	 */
+	hyp_mem_size = hyp_mem_pages << PAGE_SHIFT;
+	hyp_mem_base = memblock_find_in_range(0, memblock_end_of_DRAM(),
+					      ALIGN(hyp_mem_size, PMD_SIZE),
+					      PMD_SIZE);
+	if (!hyp_mem_base)
+		hyp_mem_base = memblock_find_in_range(0, memblock_end_of_DRAM(),
+						      hyp_mem_size, PAGE_SIZE);
+	else
+		hyp_mem_size = ALIGN(hyp_mem_size, PMD_SIZE);
+
+	if (!hyp_mem_base) {
+		kvm_err("Failed to reserve hyp memory\n");
+		return;
+	}
+	memblock_reserve(hyp_mem_base, hyp_mem_size);
+
+	kvm_info("Reserved %lld MiB at 0x%llx\n", hyp_mem_size >> 20,
+		 hyp_mem_base);
+}
+
+/*
+ * Allocates and donates memory for EL2 shadow structs.
+ *
+ * Allocates space for the shadow state, which includes the shadow vm as well as
+ * the shadow vcpu states.
+ *
+ * Stores an opaque handler in the kvm struct for future reference.
+ *
+ * Return 0 on success, negative error code on failure.
+ */
+static int __create_el2_shadow(struct kvm *kvm)
+{
+	struct kvm_vcpu *vcpu;
+	size_t pgd_sz, shadow_sz, vcpu_state_sz;
+	void *pgd, *shadow_addr;
+	unsigned long idx;
+	int shadow_handle;
+	int ret;
+
+	if (kvm->created_vcpus < 1)
+		return -EINVAL;
+
+	pgd_sz = kvm_pgtable_stage2_pgd_size(kvm->arch.vtcr);
+	/*
+	 * The PGD pages will be reclaimed using a hyp_memcache which implies
+	 * page granularity. So, use alloc_pages_exact() to get individual
+	 * refcounts.
+	 */
+	pgd = alloc_pages_exact(pgd_sz, GFP_KERNEL_ACCOUNT);
+	if (!pgd)
+		return -ENOMEM;
+
+	/* Allocate memory to donate to hyp for the kvm and vcpu state pointers. */
+	shadow_sz = PAGE_ALIGN(KVM_SHADOW_VM_SIZE +
+			       sizeof(void *) * kvm->created_vcpus);
+	shadow_addr = alloc_pages_exact(shadow_sz, GFP_KERNEL_ACCOUNT);
+	if (!shadow_addr) {
+		ret = -ENOMEM;
+		goto free_pgd;
+	}
+
+	/* Donate the shadow memory to hyp and let hyp initialize it. */
+	ret = kvm_call_hyp_nvhe(__pkvm_init_shadow, kvm, shadow_addr, shadow_sz,
+				pgd);
+	if (ret < 0)
+		goto free_shadow;
+
+	shadow_handle = ret;
+
+	/* Store the shadow handle given by hyp for future call reference. */
+	kvm->arch.pkvm.shadow_handle = shadow_handle;
+
+	/* Donate memory for the vcpu state at hyp and initialize it. */
+	vcpu_state_sz = PAGE_ALIGN(SHADOW_VCPU_STATE_SIZE);
+	kvm_for_each_vcpu (idx, vcpu, kvm) {
+		void *vcpu_state;
+
+		/* Indexing of the vcpus to be sequential starting at 0. */
+		if (WARN_ON(vcpu->vcpu_idx != idx)) {
+			ret = -EINVAL;
+			goto destroy_vm;
+		}
+		vcpu_state = alloc_pages_exact(vcpu_state_sz, GFP_KERNEL_ACCOUNT);
+		if (!vcpu_state) {
+			ret = -ENOMEM;
+			goto destroy_vm;
+		}
+
+		ret = kvm_call_hyp_nvhe(__pkvm_init_shadow_vcpu, shadow_handle,
+					vcpu, vcpu_state);
+		if (ret) {
+			free_pages_exact(vcpu_state, vcpu_state_sz);
+			goto destroy_vm;
+		}
+	}
+
+	return 0;
+
+destroy_vm:
+	kvm_shadow_destroy(kvm);
+	return ret;
+free_shadow:
+	free_pages_exact(shadow_addr, shadow_sz);
+free_pgd:
+	free_pages_exact(pgd, pgd_sz);
+	return ret;
+}
+
+int create_el2_shadow(struct kvm *kvm)
+{
+	int ret = 0;
+
+	mutex_lock(&kvm->arch.pkvm.shadow_lock);
+	if (!kvm->arch.pkvm.shadow_handle)
+		ret = __create_el2_shadow(kvm);
+	mutex_unlock(&kvm->arch.pkvm.shadow_lock);
+
+	return ret;
+}
+
+void kvm_shadow_destroy(struct kvm *kvm)
+{
+	struct kvm_pinned_page *ppage, *tmp;
+	struct mm_struct *mm = current->mm;
+	struct list_head *ppages;
+
+	if (kvm->arch.pkvm.shadow_handle)
+		WARN_ON(kvm_call_hyp_nvhe(__pkvm_teardown_shadow,
+					  kvm->arch.pkvm.shadow_handle));
+
+	free_hyp_memcache(&kvm->arch.pkvm.teardown_mc);
+
+	ppages = &kvm->arch.pkvm.pinned_pages;
+	list_for_each_entry_safe(ppage, tmp, ppages, link) {
+		WARN_ON(kvm_call_hyp_nvhe(__pkvm_host_reclaim_page,
+					  page_to_pfn(ppage->page)));
+		cond_resched();
+
+		account_locked_vm(mm, 1, false);
+		unpin_user_pages_dirty_lock(&ppage->page, 1, true);
+		list_del(&ppage->link);
+		kfree(ppage);
+	}
+}
+
+static int __init pkvm_firmware_rmem_err(struct reserved_mem *rmem,
+					 const char *reason)
+{
+	phys_addr_t end = rmem->base + rmem->size;
+
+	kvm_err("Ignoring pkvm guest firmware memory reservation [%pa - %pa]: %s\n",
+		&rmem->base, &end, reason);
+	return -EINVAL;
+}
+
+static int __init pkvm_firmware_rmem_init(struct reserved_mem *rmem)
+{
+	unsigned long node = rmem->fdt_node;
+
+	if (pkvm_firmware_mem)
+		return pkvm_firmware_rmem_err(rmem, "duplicate reservation");
+
+	if (!of_get_flat_dt_prop(node, "no-map", NULL))
+		return pkvm_firmware_rmem_err(rmem, "missing \"no-map\" property");
+
+	if (of_get_flat_dt_prop(node, "reusable", NULL))
+		return pkvm_firmware_rmem_err(rmem, "\"reusable\" property unsupported");
+
+	if (!PAGE_ALIGNED(rmem->base))
+		return pkvm_firmware_rmem_err(rmem, "base is not page-aligned");
+
+	if (!PAGE_ALIGNED(rmem->size))
+		return pkvm_firmware_rmem_err(rmem, "size is not page-aligned");
+
+	*pvmfw_size = rmem->size;
+	*pvmfw_base = rmem->base;
+	pkvm_firmware_mem = rmem;
+	return 0;
+}
+RESERVEDMEM_OF_DECLARE(pkvm_firmware, "linux,pkvm-guest-firmware-memory",
+		       pkvm_firmware_rmem_init);
+
+static int __init pkvm_firmware_rmem_clear(void)
+{
+	void *addr;
+	phys_addr_t size;
+
+	if (likely(!pkvm_firmware_mem) || is_protected_kvm_enabled())
+		return 0;
+
+	kvm_info("Clearing unused pKVM firmware memory\n");
+	size = pkvm_firmware_mem->size;
+	addr = memremap(pkvm_firmware_mem->base, size, MEMREMAP_WB);
+	if (!addr)
+		return -EINVAL;
+
+	memset(addr, 0, size);
+	dcache_clean_poc((unsigned long)addr, (unsigned long)addr + size);
+	memunmap(addr);
+	return 0;
+}
+device_initcall_sync(pkvm_firmware_rmem_clear);
+
+static int pkvm_vm_ioctl_set_fw_ipa(struct kvm *kvm, u64 ipa)
+{
+	int ret = 0;
+
+	if (!pkvm_firmware_mem)
+		return -EINVAL;
+
+	mutex_lock(&kvm->arch.pkvm.shadow_lock);
+	if (kvm->arch.pkvm.shadow_handle) {
+		ret = -EBUSY;
+		goto out_unlock;
+	}
+
+	kvm->arch.pkvm.pvmfw_load_addr = ipa;
+out_unlock:
+	mutex_unlock(&kvm->arch.pkvm.shadow_lock);
+	return ret;
+}
+
+static int pkvm_vm_ioctl_info(struct kvm *kvm,
+			      struct kvm_protected_vm_info __user *info)
+{
+	struct kvm_protected_vm_info kinfo = {
+		.firmware_size = pkvm_firmware_mem ?
+				 pkvm_firmware_mem->size :
+				 0,
+	};
+
+	return copy_to_user(info, &kinfo, sizeof(kinfo)) ? -EFAULT : 0;
+}
+
+int kvm_arm_vm_ioctl_pkvm(struct kvm *kvm, struct kvm_enable_cap *cap)
+{
+	if (cap->args[1] || cap->args[2] || cap->args[3])
+		return -EINVAL;
+
+	switch (cap->flags) {
+	case KVM_CAP_ARM_PROTECTED_VM_FLAGS_SET_FW_IPA:
+		return pkvm_vm_ioctl_set_fw_ipa(kvm, cap->args[0]);
+	case KVM_CAP_ARM_PROTECTED_VM_FLAGS_INFO:
+		return pkvm_vm_ioctl_info(kvm, (void __force __user *)cap->args[0]);
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int kvm_init_pvm(struct kvm *kvm, unsigned long type)
+{
+	mutex_init(&kvm->arch.pkvm.shadow_lock);
+	kvm->arch.pkvm.pvmfw_load_addr = PVMFW_INVALID_LOAD_ADDR;
+
+	if (!(type & KVM_VM_TYPE_ARM_PROTECTED))
+		return 0;
+
+	if (!is_protected_kvm_enabled())
+		return -EINVAL;
+
+	kvm->arch.pkvm.enabled = true;
+	return 0;
+}
diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index 4b30260..3897232 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -23,11 +23,12 @@
 static u32 kvm_pmu_event_mask(struct kvm *kvm)
 {
 	switch (kvm->arch.pmuver) {
-	case 1:			/* ARMv8.0 */
+	case ID_AA64DFR0_PMUVER_8_0:
 		return GENMASK(9, 0);
-	case 4:			/* ARMv8.1 */
-	case 5:			/* ARMv8.4 */
-	case 6:			/* ARMv8.5 */
+	case ID_AA64DFR0_PMUVER_8_1:
+	case ID_AA64DFR0_PMUVER_8_4:
+	case ID_AA64DFR0_PMUVER_8_5:
+	case ID_AA64DFR0_PMUVER_8_7:
 		return GENMASK(15, 0);
 	default:		/* Shouldn't be here, just for sanity */
 		WARN_ONCE(1, "Unknown PMU version %d\n", kvm->arch.pmuver);
@@ -373,7 +374,6 @@
 		reg = __vcpu_sys_reg(vcpu, PMOVSSET_EL0);
 		reg &= __vcpu_sys_reg(vcpu, PMCNTENSET_EL0);
 		reg &= __vcpu_sys_reg(vcpu, PMINTENSET_EL1);
-		reg &= kvm_pmu_valid_counter_mask(vcpu);
 	}
 
 	return reg;
@@ -384,7 +384,7 @@
 	struct kvm_pmu *pmu = &vcpu->arch.pmu;
 	bool overflow;
 
-	if (!kvm_arm_pmu_v3_ready(vcpu))
+	if (!kvm_vcpu_has_pmu(vcpu))
 		return;
 
 	overflow = !!kvm_pmu_overflow_status(vcpu);
@@ -564,24 +564,26 @@
  */
 void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val)
 {
-	unsigned long mask = kvm_pmu_valid_counter_mask(vcpu);
 	int i;
 
 	if (val & ARMV8_PMU_PMCR_E) {
 		kvm_pmu_enable_counter_mask(vcpu,
-		       __vcpu_sys_reg(vcpu, PMCNTENSET_EL0) & mask);
+		       __vcpu_sys_reg(vcpu, PMCNTENSET_EL0));
 	} else {
-		kvm_pmu_disable_counter_mask(vcpu, mask);
+		kvm_pmu_disable_counter_mask(vcpu,
+		       __vcpu_sys_reg(vcpu, PMCNTENSET_EL0));
 	}
 
 	if (val & ARMV8_PMU_PMCR_C)
 		kvm_pmu_set_counter_value(vcpu, ARMV8_PMU_CYCLE_IDX, 0);
 
 	if (val & ARMV8_PMU_PMCR_P) {
+		unsigned long mask = kvm_pmu_valid_counter_mask(vcpu);
 		mask &= ~BIT(ARMV8_PMU_CYCLE_IDX);
 		for_each_set_bit(i, &mask, 32)
 			kvm_pmu_set_counter_value(vcpu, i, 0);
 	}
+	kvm_vcpu_pmu_restore_guest(vcpu);
 }
 
 static bool kvm_pmu_counter_is_enabled(struct kvm_vcpu *vcpu, u64 select_idx)
@@ -740,12 +742,19 @@
 	kvm_pmu_create_perf_event(vcpu, select_idx);
 }
 
+void kvm_host_pmu_init(struct arm_pmu *pmu)
+{
+	if (pmu->pmuver != 0 && pmu->pmuver != ID_AA64DFR0_PMUVER_IMP_DEF &&
+	    !kvm_arm_support_pmu_v3() && !is_protected_kvm_enabled())
+		static_branch_enable(&kvm_arm_pmu_available);
+}
+
 static int kvm_pmu_probe_pmuver(void)
 {
 	struct perf_event_attr attr = { };
 	struct perf_event *event;
 	struct arm_pmu *pmu;
-	int pmuver = 0xf;
+	int pmuver = ID_AA64DFR0_PMUVER_IMP_DEF;
 
 	/*
 	 * Create a dummy event that only counts user cycles. As we'll never
@@ -770,7 +779,7 @@
 	if (IS_ERR(event)) {
 		pr_err_once("kvm: pmu event creation failed %ld\n",
 			    PTR_ERR(event));
-		return 0xf;
+		return ID_AA64DFR0_PMUVER_IMP_DEF;
 	}
 
 	if (event->pmu) {
@@ -796,6 +805,12 @@
 		base = 0;
 	} else {
 		val = read_sysreg(pmceid1_el0);
+		/*
+		 * Don't advertise STALL_SLOT, as PMMIR_EL0 is handled
+		 * as RAZ
+		 */
+		if (vcpu->kvm->arch.pmuver >= ID_AA64DFR0_PMUVER_8_4)
+			val &= ~BIT_ULL(ARMV8_PMUV3_PERFCTR_STALL_SLOT - 32);
 		base = 32;
 	}
 
@@ -818,21 +833,14 @@
 	return val & mask;
 }
 
-bool kvm_arm_support_pmu_v3(void)
-{
-	/*
-	 * Check if HW_PERF_EVENTS are supported by checking the number of
-	 * hardware performance counters. This could ensure the presence of
-	 * a physical PMU and CONFIG_PERF_EVENT is selected.
-	 */
-	return (perf_num_counters() > 0);
-}
-
 int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu)
 {
-	if (!vcpu->arch.pmu.created)
+	if (!kvm_vcpu_has_pmu(vcpu))
 		return 0;
 
+	if (!vcpu->arch.pmu.created)
+		return -EINVAL;
+
 	/*
 	 * A valid interrupt configuration for the PMU is either to have a
 	 * properly configured interrupt number and using an in-kernel
@@ -840,9 +848,6 @@
 	 */
 	if (irqchip_in_kernel(vcpu->kvm)) {
 		int irq = vcpu->arch.pmu.irq_num;
-		if (!kvm_arm_pmu_irq_initialized(vcpu))
-			return -EINVAL;
-
 		/*
 		 * If we are using an in-kernel vgic, at this point we know
 		 * the vgic will be initialized, so we can check the PMU irq
@@ -855,8 +860,8 @@
 		   return -EINVAL;
 	}
 
-	kvm_pmu_vcpu_reset(vcpu);
-	vcpu->arch.pmu.ready = true;
+	/* One-off reload of the PMU on first run */
+	kvm_make_request(KVM_REQ_RELOAD_PMU, vcpu);
 
 	return 0;
 }
@@ -918,8 +923,7 @@
 
 int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr)
 {
-	if (!kvm_arm_support_pmu_v3() ||
-	    !test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features))
+	if (!kvm_vcpu_has_pmu(vcpu))
 		return -ENODEV;
 
 	if (vcpu->arch.pmu.created)
@@ -928,7 +932,7 @@
 	if (!vcpu->kvm->arch.pmuver)
 		vcpu->kvm->arch.pmuver = kvm_pmu_probe_pmuver();
 
-	if (vcpu->kvm->arch.pmuver == 0xf)
+	if (vcpu->kvm->arch.pmuver == ID_AA64DFR0_PMUVER_IMP_DEF)
 		return -ENODEV;
 
 	switch (attr->attr) {
@@ -976,7 +980,7 @@
 		mutex_lock(&vcpu->kvm->lock);
 
 		if (!vcpu->kvm->arch.pmu_filter) {
-			vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL);
+			vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL_ACCOUNT);
 			if (!vcpu->kvm->arch.pmu_filter) {
 				mutex_unlock(&vcpu->kvm->lock);
 				return -ENOMEM;
@@ -1020,7 +1024,7 @@
 		if (!irqchip_in_kernel(vcpu->kvm))
 			return -EINVAL;
 
-		if (!test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features))
+		if (!kvm_vcpu_has_pmu(vcpu))
 			return -ENODEV;
 
 		if (!kvm_arm_pmu_irq_initialized(vcpu))
@@ -1040,8 +1044,7 @@
 	case KVM_ARM_VCPU_PMU_V3_IRQ:
 	case KVM_ARM_VCPU_PMU_V3_INIT:
 	case KVM_ARM_VCPU_PMU_V3_FILTER:
-		if (kvm_arm_support_pmu_v3() &&
-		    test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features))
+		if (kvm_vcpu_has_pmu(vcpu))
 			return 0;
 	}
 
diff --git a/arch/arm64/kvm/pmu.c b/arch/arm64/kvm/pmu.c
index faf32a4..a8878fd 100644
--- a/arch/arm64/kvm/pmu.c
+++ b/arch/arm64/kvm/pmu.c
@@ -31,8 +31,12 @@
  */
 void kvm_set_pmu_events(u32 set, struct perf_event_attr *attr)
 {
-	struct kvm_host_data *ctx = this_cpu_ptr_hyp_sym(kvm_host_data);
+	struct kvm_host_data *ctx;
 
+	if (!kvm_arm_support_pmu_v3())
+		return;
+
+	ctx = this_cpu_ptr_hyp_sym(kvm_host_data);
 	if (!ctx || !kvm_pmu_switch_needed(attr))
 		return;
 
@@ -47,8 +51,12 @@
  */
 void kvm_clr_pmu_events(u32 clr)
 {
-	struct kvm_host_data *ctx = this_cpu_ptr_hyp_sym(kvm_host_data);
+	struct kvm_host_data *ctx;
 
+	if (!kvm_arm_support_pmu_v3())
+		return;
+
+	ctx = this_cpu_ptr_hyp_sym(kvm_host_data);
 	if (!ctx)
 		return;
 
@@ -172,7 +180,7 @@
 	struct kvm_host_data *host;
 	u32 events_guest, events_host;
 
-	if (!has_vhe())
+	if (!kvm_arm_support_pmu_v3() || !has_vhe())
 		return;
 
 	preempt_disable();
@@ -193,7 +201,7 @@
 	struct kvm_host_data *host;
 	u32 events_guest, events_host;
 
-	if (!has_vhe())
+	if (!kvm_arm_support_pmu_v3() || !has_vhe())
 		return;
 
 	host = this_cpu_ptr_hyp_sym(kvm_host_data);
diff --git a/arch/arm64/kvm/psci.c b/arch/arm64/kvm/psci.c
index 32bb26b..c9fee39 100644
--- a/arch/arm64/kvm/psci.c
+++ b/arch/arm64/kvm/psci.c
@@ -21,16 +21,6 @@
  * as described in ARM document number ARM DEN 0022A.
  */
 
-#define AFFINITY_MASK(level)	~((0x1UL << ((level) * MPIDR_LEVEL_BITS)) - 1)
-
-static unsigned long psci_affinity_mask(unsigned long affinity_level)
-{
-	if (affinity_level <= 3)
-		return MPIDR_HWID_BITMASK & AFFINITY_MASK(affinity_level);
-
-	return 0;
-}
-
 static unsigned long kvm_psci_vcpu_suspend(struct kvm_vcpu *vcpu)
 {
 	/*
@@ -66,9 +56,9 @@
 	struct kvm_vcpu *vcpu = NULL;
 	unsigned long cpu_id;
 
-	cpu_id = smccc_get_arg1(source_vcpu) & MPIDR_HWID_BITMASK;
-	if (vcpu_mode_is_32bit(source_vcpu))
-		cpu_id &= ~((u32) 0);
+	cpu_id = smccc_get_arg1(source_vcpu);
+	if (!kvm_psci_valid_affinity(source_vcpu, cpu_id))
+		return PSCI_RET_INVALID_PARAMS;
 
 	vcpu = kvm_mpidr_to_vcpu(kvm, cpu_id);
 
@@ -103,7 +93,7 @@
 
 	/*
 	 * Make sure the reset request is observed if the change to
-	 * power_state is observed.
+	 * power_off is observed.
 	 */
 	smp_wmb();
 
@@ -126,6 +116,9 @@
 	target_affinity = smccc_get_arg1(vcpu);
 	lowest_affinity_level = smccc_get_arg2(vcpu);
 
+	if (!kvm_psci_valid_affinity(vcpu, target_affinity))
+		return PSCI_RET_INVALID_PARAMS;
+
 	/* Determine target affinity mask */
 	target_affinity_mask = psci_affinity_mask(lowest_affinity_level);
 	if (!target_affinity_mask)
@@ -153,7 +146,7 @@
 	return PSCI_0_2_AFFINITY_LEVEL_OFF;
 }
 
-static void kvm_prepare_system_event(struct kvm_vcpu *vcpu, u32 type)
+static void kvm_prepare_system_event(struct kvm_vcpu *vcpu, u32 type, u64 flags)
 {
 	int i;
 	struct kvm_vcpu *tmp;
@@ -173,42 +166,33 @@
 
 	memset(&vcpu->run->system_event, 0, sizeof(vcpu->run->system_event));
 	vcpu->run->system_event.type = type;
+	vcpu->run->system_event.flags = flags;
 	vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT;
 }
 
 static void kvm_psci_system_off(struct kvm_vcpu *vcpu)
 {
-	kvm_prepare_system_event(vcpu, KVM_SYSTEM_EVENT_SHUTDOWN);
+	kvm_prepare_system_event(vcpu, KVM_SYSTEM_EVENT_SHUTDOWN, 0);
 }
 
 static void kvm_psci_system_reset(struct kvm_vcpu *vcpu)
 {
-	kvm_prepare_system_event(vcpu, KVM_SYSTEM_EVENT_RESET);
+	kvm_prepare_system_event(vcpu, KVM_SYSTEM_EVENT_RESET, 0);
 }
 
-static void kvm_psci_narrow_to_32bit(struct kvm_vcpu *vcpu)
+static void kvm_psci_system_reset2(struct kvm_vcpu *vcpu)
 {
-	int i;
-
-	/*
-	 * Zero the input registers' upper 32 bits. They will be fully
-	 * zeroed on exit, so we're fine changing them in place.
-	 */
-	for (i = 1; i < 4; i++)
-		vcpu_set_reg(vcpu, i, lower_32_bits(vcpu_get_reg(vcpu, i)));
+	kvm_prepare_system_event(vcpu, KVM_SYSTEM_EVENT_RESET,
+				 KVM_SYSTEM_EVENT_RESET_FLAG_PSCI_RESET2);
 }
 
 static unsigned long kvm_psci_check_allowed_function(struct kvm_vcpu *vcpu, u32 fn)
 {
-	switch(fn) {
-	case PSCI_0_2_FN64_CPU_SUSPEND:
-	case PSCI_0_2_FN64_CPU_ON:
-	case PSCI_0_2_FN64_AFFINITY_INFO:
-		/* Disallow these functions for 32bit guests */
-		if (vcpu_mode_is_32bit(vcpu))
-			return PSCI_RET_NOT_SUPPORTED;
-		break;
-	}
+	/*
+	 * Prevent 32 bit guests from calling 64 bit PSCI functions.
+	 */
+	if ((fn & PSCI_0_2_64BIT) && vcpu_mode_is_32bit(vcpu))
+		return PSCI_RET_NOT_SUPPORTED;
 
 	return 0;
 }
@@ -220,10 +204,6 @@
 	unsigned long val;
 	int ret = 1;
 
-	val = kvm_psci_check_allowed_function(vcpu, psci_fn);
-	if (val)
-		goto out;
-
 	switch (psci_fn) {
 	case PSCI_0_2_FN_PSCI_VERSION:
 		/*
@@ -291,29 +271,31 @@
 		break;
 	}
 
-out:
 	smccc_set_retval(vcpu, val, 0, 0, 0);
 	return ret;
 }
 
-static int kvm_psci_1_0_call(struct kvm_vcpu *vcpu)
+static int kvm_psci_1_x_call(struct kvm_vcpu *vcpu, u32 minor)
 {
 	u32 psci_fn = smccc_get_function(vcpu);
-	u32 feature;
+	u32 arg;
 	unsigned long val;
 	int ret = 1;
 
+	if (minor > 1)
+		return -EINVAL;
+
 	switch(psci_fn) {
 	case PSCI_0_2_FN_PSCI_VERSION:
-		val = KVM_ARM_PSCI_1_0;
+		val = minor == 0 ? KVM_ARM_PSCI_1_0 : KVM_ARM_PSCI_1_1;
 		break;
 	case PSCI_1_0_FN_PSCI_FEATURES:
-		feature = smccc_get_arg1(vcpu);
-		val = kvm_psci_check_allowed_function(vcpu, feature);
+		arg = smccc_get_arg1(vcpu);
+		val = kvm_psci_check_allowed_function(vcpu, arg);
 		if (val)
 			break;
 
-		switch(feature) {
+		switch(arg) {
 		case PSCI_0_2_FN_PSCI_VERSION:
 		case PSCI_0_2_FN_CPU_SUSPEND:
 		case PSCI_0_2_FN64_CPU_SUSPEND:
@@ -329,11 +311,36 @@
 		case ARM_SMCCC_VERSION_FUNC_ID:
 			val = 0;
 			break;
+		case PSCI_1_1_FN_SYSTEM_RESET2:
+		case PSCI_1_1_FN64_SYSTEM_RESET2:
+			if (minor >= 1) {
+				val = 0;
+				break;
+			}
+			fallthrough;
 		default:
 			val = PSCI_RET_NOT_SUPPORTED;
 			break;
 		}
 		break;
+	case PSCI_1_1_FN_SYSTEM_RESET2:
+		kvm_psci_narrow_to_32bit(vcpu);
+		fallthrough;
+	case PSCI_1_1_FN64_SYSTEM_RESET2:
+		if (minor >= 1) {
+			arg = smccc_get_arg1(vcpu);
+
+			if (arg <= PSCI_1_1_RESET_TYPE_SYSTEM_WARM_RESET ||
+			    arg >= PSCI_1_1_RESET_TYPE_VENDOR_START) {
+				kvm_psci_system_reset2(vcpu);
+				vcpu_set_reg(vcpu, 0, PSCI_RET_INTERNAL_FAILURE);
+				return 0;
+			}
+
+			val = PSCI_RET_INVALID_PARAMS;
+			break;
+		};
+		fallthrough;
 	default:
 		return kvm_psci_0_2_call(vcpu);
 	}
@@ -383,9 +390,20 @@
  */
 int kvm_psci_call(struct kvm_vcpu *vcpu)
 {
+	u32 psci_fn = smccc_get_function(vcpu);
+	unsigned long val;
+
+	val = kvm_psci_check_allowed_function(vcpu, psci_fn);
+	if (val) {
+		smccc_set_retval(vcpu, val, 0, 0, 0);
+		return 1;
+	}
+
 	switch (kvm_psci_version(vcpu, vcpu->kvm)) {
+	case KVM_ARM_PSCI_1_1:
+		return kvm_psci_1_x_call(vcpu, 1);
 	case KVM_ARM_PSCI_1_0:
-		return kvm_psci_1_0_call(vcpu);
+		return kvm_psci_1_x_call(vcpu, 0);
 	case KVM_ARM_PSCI_0_2:
 		return kvm_psci_0_2_call(vcpu);
 	case KVM_ARM_PSCI_0_1:
@@ -519,6 +537,7 @@
 			return 0;
 		case KVM_ARM_PSCI_0_2:
 		case KVM_ARM_PSCI_1_0:
+		case KVM_ARM_PSCI_1_1:
 			if (!wants_02)
 				return -EINVAL;
 			vcpu->kvm->arch.psci_version = val;
diff --git a/arch/arm64/kvm/pvtime.c b/arch/arm64/kvm/pvtime.c
index 920ac43..78a09f7 100644
--- a/arch/arm64/kvm/pvtime.c
+++ b/arch/arm64/kvm/pvtime.c
@@ -53,7 +53,6 @@
 	struct pvclock_vcpu_stolen_time init_values = {};
 	struct kvm *kvm = vcpu->kvm;
 	u64 base = vcpu->arch.steal.base;
-	int idx;
 
 	if (base == GPA_INVALID)
 		return base;
@@ -63,10 +62,7 @@
 	 * the feature enabled.
 	 */
 	vcpu->arch.steal.last_steal = current->sched_info.run_delay;
-
-	idx = srcu_read_lock(&kvm->srcu);
-	kvm_write_guest(kvm, base, &init_values, sizeof(init_values));
-	srcu_read_unlock(&kvm->srcu, idx);
+	kvm_write_guest_lock(kvm, base, &init_values, sizeof(init_values));
 
 	return base;
 }
diff --git a/arch/arm64/kvm/regmap.c b/arch/arm64/kvm/regmap.c
deleted file mode 100644
index accc1d5..0000000
--- a/arch/arm64/kvm/regmap.c
+++ /dev/null
@@ -1,224 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2012,2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * Derived from arch/arm/kvm/emulate.c:
- * Copyright (C) 2012 - Virtual Open Systems and Columbia University
- * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- */
-
-#include <linux/mm.h>
-#include <linux/kvm_host.h>
-#include <asm/kvm_emulate.h>
-#include <asm/ptrace.h>
-
-#define VCPU_NR_MODES 6
-#define REG_OFFSET(_reg) \
-	(offsetof(struct user_pt_regs, _reg) / sizeof(unsigned long))
-
-#define USR_REG_OFFSET(R) REG_OFFSET(compat_usr(R))
-
-static const unsigned long vcpu_reg_offsets[VCPU_NR_MODES][16] = {
-	/* USR Registers */
-	{
-		USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
-		USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
-		USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
-		USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
-		USR_REG_OFFSET(12), USR_REG_OFFSET(13),	USR_REG_OFFSET(14),
-		REG_OFFSET(pc)
-	},
-
-	/* FIQ Registers */
-	{
-		USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
-		USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
-		USR_REG_OFFSET(6), USR_REG_OFFSET(7),
-		REG_OFFSET(compat_r8_fiq),  /* r8 */
-		REG_OFFSET(compat_r9_fiq),  /* r9 */
-		REG_OFFSET(compat_r10_fiq), /* r10 */
-		REG_OFFSET(compat_r11_fiq), /* r11 */
-		REG_OFFSET(compat_r12_fiq), /* r12 */
-		REG_OFFSET(compat_sp_fiq),  /* r13 */
-		REG_OFFSET(compat_lr_fiq),  /* r14 */
-		REG_OFFSET(pc)
-	},
-
-	/* IRQ Registers */
-	{
-		USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
-		USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
-		USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
-		USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
-		USR_REG_OFFSET(12),
-		REG_OFFSET(compat_sp_irq), /* r13 */
-		REG_OFFSET(compat_lr_irq), /* r14 */
-		REG_OFFSET(pc)
-	},
-
-	/* SVC Registers */
-	{
-		USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
-		USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
-		USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
-		USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
-		USR_REG_OFFSET(12),
-		REG_OFFSET(compat_sp_svc), /* r13 */
-		REG_OFFSET(compat_lr_svc), /* r14 */
-		REG_OFFSET(pc)
-	},
-
-	/* ABT Registers */
-	{
-		USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
-		USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
-		USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
-		USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
-		USR_REG_OFFSET(12),
-		REG_OFFSET(compat_sp_abt), /* r13 */
-		REG_OFFSET(compat_lr_abt), /* r14 */
-		REG_OFFSET(pc)
-	},
-
-	/* UND Registers */
-	{
-		USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
-		USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
-		USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
-		USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
-		USR_REG_OFFSET(12),
-		REG_OFFSET(compat_sp_und), /* r13 */
-		REG_OFFSET(compat_lr_und), /* r14 */
-		REG_OFFSET(pc)
-	},
-};
-
-/*
- * Return a pointer to the register number valid in the current mode of
- * the virtual CPU.
- */
-unsigned long *vcpu_reg32(const struct kvm_vcpu *vcpu, u8 reg_num)
-{
-	unsigned long *reg_array = (unsigned long *)&vcpu->arch.ctxt.regs;
-	unsigned long mode = *vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK;
-
-	switch (mode) {
-	case PSR_AA32_MODE_USR ... PSR_AA32_MODE_SVC:
-		mode &= ~PSR_MODE32_BIT; /* 0 ... 3 */
-		break;
-
-	case PSR_AA32_MODE_ABT:
-		mode = 4;
-		break;
-
-	case PSR_AA32_MODE_UND:
-		mode = 5;
-		break;
-
-	case PSR_AA32_MODE_SYS:
-		mode = 0;	/* SYS maps to USR */
-		break;
-
-	default:
-		BUG();
-	}
-
-	return reg_array + vcpu_reg_offsets[mode][reg_num];
-}
-
-/*
- * Return the SPSR for the current mode of the virtual CPU.
- */
-static int vcpu_spsr32_mode(const struct kvm_vcpu *vcpu)
-{
-	unsigned long mode = *vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK;
-	switch (mode) {
-	case PSR_AA32_MODE_SVC: return KVM_SPSR_SVC;
-	case PSR_AA32_MODE_ABT: return KVM_SPSR_ABT;
-	case PSR_AA32_MODE_UND: return KVM_SPSR_UND;
-	case PSR_AA32_MODE_IRQ: return KVM_SPSR_IRQ;
-	case PSR_AA32_MODE_FIQ: return KVM_SPSR_FIQ;
-	default: BUG();
-	}
-}
-
-unsigned long vcpu_read_spsr32(const struct kvm_vcpu *vcpu)
-{
-	int spsr_idx = vcpu_spsr32_mode(vcpu);
-
-	if (!vcpu->arch.sysregs_loaded_on_cpu) {
-		switch (spsr_idx) {
-		case KVM_SPSR_SVC:
-			return __vcpu_sys_reg(vcpu, SPSR_EL1);
-		case KVM_SPSR_ABT:
-			return vcpu->arch.ctxt.spsr_abt;
-		case KVM_SPSR_UND:
-			return vcpu->arch.ctxt.spsr_und;
-		case KVM_SPSR_IRQ:
-			return vcpu->arch.ctxt.spsr_irq;
-		case KVM_SPSR_FIQ:
-			return vcpu->arch.ctxt.spsr_fiq;
-		}
-	}
-
-	switch (spsr_idx) {
-	case KVM_SPSR_SVC:
-		return read_sysreg_el1(SYS_SPSR);
-	case KVM_SPSR_ABT:
-		return read_sysreg(spsr_abt);
-	case KVM_SPSR_UND:
-		return read_sysreg(spsr_und);
-	case KVM_SPSR_IRQ:
-		return read_sysreg(spsr_irq);
-	case KVM_SPSR_FIQ:
-		return read_sysreg(spsr_fiq);
-	default:
-		BUG();
-	}
-}
-
-void vcpu_write_spsr32(struct kvm_vcpu *vcpu, unsigned long v)
-{
-	int spsr_idx = vcpu_spsr32_mode(vcpu);
-
-	if (!vcpu->arch.sysregs_loaded_on_cpu) {
-		switch (spsr_idx) {
-		case KVM_SPSR_SVC:
-			__vcpu_sys_reg(vcpu, SPSR_EL1) = v;
-			break;
-		case KVM_SPSR_ABT:
-			vcpu->arch.ctxt.spsr_abt = v;
-			break;
-		case KVM_SPSR_UND:
-			vcpu->arch.ctxt.spsr_und = v;
-			break;
-		case KVM_SPSR_IRQ:
-			vcpu->arch.ctxt.spsr_irq = v;
-			break;
-		case KVM_SPSR_FIQ:
-			vcpu->arch.ctxt.spsr_fiq = v;
-			break;
-		}
-
-		return;
-	}
-
-	switch (spsr_idx) {
-	case KVM_SPSR_SVC:
-		write_sysreg_el1(v, SYS_SPSR);
-		break;
-	case KVM_SPSR_ABT:
-		write_sysreg(v, spsr_abt);
-		break;
-	case KVM_SPSR_UND:
-		write_sysreg(v, spsr_und);
-		break;
-	case KVM_SPSR_IRQ:
-		write_sysreg(v, spsr_irq);
-		break;
-	case KVM_SPSR_FIQ:
-		write_sysreg(v, spsr_fiq);
-		break;
-	}
-}
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 6f85c18..0eee9ea 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -25,7 +25,6 @@
 #include <asm/ptrace.h>
 #include <asm/kvm_arm.h>
 #include <asm/kvm_asm.h>
-#include <asm/kvm_coproc.h>
 #include <asm/kvm_emulate.h>
 #include <asm/kvm_mmu.h>
 #include <asm/virt.h>
@@ -33,67 +32,6 @@
 /* Maximum phys_shift supported for any VM on this host */
 static u32 kvm_ipa_limit;
 
-/*
- * ARMv8 Reset Values
- */
-#define VCPU_RESET_PSTATE_EL1	(PSR_MODE_EL1h | PSR_A_BIT | PSR_I_BIT | \
-				 PSR_F_BIT | PSR_D_BIT)
-
-#define VCPU_RESET_PSTATE_SVC	(PSR_AA32_MODE_SVC | PSR_AA32_A_BIT | \
-				 PSR_AA32_I_BIT | PSR_AA32_F_BIT)
-
-static bool system_has_full_ptr_auth(void)
-{
-	return system_supports_address_auth() && system_supports_generic_auth();
-}
-
-/**
- * kvm_arch_vm_ioctl_check_extension
- *
- * We currently assume that the number of HW registers is uniform
- * across all CPUs (see cpuinfo_sanity_check).
- */
-int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext)
-{
-	int r;
-
-	switch (ext) {
-	case KVM_CAP_ARM_EL1_32BIT:
-		r = cpus_have_const_cap(ARM64_HAS_32BIT_EL1);
-		break;
-	case KVM_CAP_GUEST_DEBUG_HW_BPS:
-		r = get_num_brps();
-		break;
-	case KVM_CAP_GUEST_DEBUG_HW_WPS:
-		r = get_num_wrps();
-		break;
-	case KVM_CAP_ARM_PMU_V3:
-		r = kvm_arm_support_pmu_v3();
-		break;
-	case KVM_CAP_ARM_INJECT_SERROR_ESR:
-		r = cpus_have_const_cap(ARM64_HAS_RAS_EXTN);
-		break;
-	case KVM_CAP_SET_GUEST_DEBUG:
-	case KVM_CAP_VCPU_ATTRIBUTES:
-		r = 1;
-		break;
-	case KVM_CAP_ARM_VM_IPA_SIZE:
-		r = kvm_ipa_limit;
-		break;
-	case KVM_CAP_ARM_SVE:
-		r = system_supports_sve();
-		break;
-	case KVM_CAP_ARM_PTRAUTH_ADDRESS:
-	case KVM_CAP_ARM_PTRAUTH_GENERIC:
-		r = system_has_full_ptr_auth();
-		break;
-	default:
-		r = 0;
-	}
-
-	return r;
-}
-
 unsigned int kvm_sve_max_vl;
 
 int kvm_arm_init_sve(void)
@@ -127,10 +65,6 @@
 	if (!system_supports_sve())
 		return -EINVAL;
 
-	/* Verify that KVM startup enforced this when SVE was detected: */
-	if (WARN_ON(!has_vhe()))
-		return -EINVAL;
-
 	vcpu->arch.sve_max_vl = kvm_sve_max_vl;
 
 	/*
@@ -151,22 +85,31 @@
 {
 	void *buf;
 	unsigned int vl;
+	size_t reg_sz;
+	int ret;
 
 	vl = vcpu->arch.sve_max_vl;
 
 	/*
 	 * Responsibility for these properties is shared between
-	 * kvm_arm_init_arch_resources(), kvm_vcpu_enable_sve() and
+	 * kvm_arm_init_sve(), kvm_vcpu_enable_sve() and
 	 * set_sve_vls().  Double-check here just to be sure:
 	 */
 	if (WARN_ON(!sve_vl_valid(vl) || vl > sve_max_virtualisable_vl ||
 		    vl > SVE_VL_ARCH_MAX))
 		return -EIO;
 
-	buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL);
+	reg_sz = vcpu_sve_state_size(vcpu);
+	buf = kzalloc(reg_sz, GFP_KERNEL_ACCOUNT);
 	if (!buf)
 		return -ENOMEM;
 
+	ret = kvm_share_hyp(buf, buf + reg_sz);
+	if (ret) {
+		kfree(buf);
+		return ret;
+	}
+
 	vcpu->arch.sve_state = buf;
 	vcpu->arch.flags |= KVM_ARM64_VCPU_SVE_FINALIZED;
 	return 0;
@@ -198,7 +141,13 @@
 
 void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu)
 {
-	kfree(vcpu->arch.sve_state);
+	void *sve_state = vcpu->arch.sve_state;
+
+	kvm_vcpu_unshare_task_fp(vcpu);
+	kvm_unshare_hyp(vcpu, vcpu + 1);
+	if (sve_state)
+		kvm_unshare_hyp(sve_state, sve_state + vcpu_sve_state_size(vcpu));
+	kfree(sve_state);
 }
 
 static void kvm_vcpu_reset_sve(struct kvm_vcpu *vcpu)
@@ -207,22 +156,6 @@
 		memset(vcpu->arch.sve_state, 0, vcpu_sve_state_size(vcpu));
 }
 
-static int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
-{
-	/*
-	 * For now make sure that both address/generic pointer authentication
-	 * features are requested by the userspace together and the system
-	 * supports these capabilities.
-	 */
-	if (!test_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, vcpu->arch.features) ||
-	    !test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, vcpu->arch.features) ||
-	    !system_has_full_ptr_auth())
-		return -EINVAL;
-
-	vcpu->arch.flags |= KVM_ARM64_GUEST_HAS_PTRAUTH;
-	return 0;
-}
-
 static bool vcpu_allowed_register_width(struct kvm_vcpu *vcpu)
 {
 	struct kvm_vcpu *tmp;
@@ -233,6 +166,10 @@
 	if (!cpus_have_const_cap(ARM64_HAS_32BIT_EL1) && is32bit)
 		return false;
 
+	/* MTE is incompatible with AArch32 */
+	if (kvm_has_mte(vcpu->kvm) && is32bit)
+		return false;
+
 	/* Check that the vcpus are either all 32bit or all 64bit */
 	kvm_for_each_vcpu(i, tmp, vcpu->kvm) {
 		if (vcpu_has_feature(tmp, KVM_ARM_VCPU_EL1_32BIT) != is32bit)
@@ -246,10 +183,9 @@
  * kvm_reset_vcpu - sets core registers and sys_regs to reset value
  * @vcpu: The VCPU pointer
  *
- * This function finds the right table above and sets the registers on
- * the virtual CPU struct to their architecturally defined reset
- * values, except for registers whose reset is deferred until
- * kvm_arm_vcpu_finalize().
+ * This function sets the registers on the virtual CPU struct to their
+ * architecturally defined reset values, except for registers whose reset is
+ * deferred until kvm_arm_vcpu_finalize().
  *
  * Note: This function can be called from two paths: The KVM_ARM_VCPU_INIT
  * ioctl or as part of handling a request issued by another VCPU in the PSCI
@@ -312,6 +248,10 @@
 			pstate = VCPU_RESET_PSTATE_EL1;
 		}
 
+		if (kvm_vcpu_has_pmu(vcpu) && !kvm_arm_support_pmu_v3()) {
+			ret = -EINVAL;
+			goto out;
+		}
 		break;
 	}
 
@@ -364,7 +304,7 @@
 
 int kvm_set_ipa_limit(void)
 {
-	unsigned int parange, tgran_2;
+	unsigned int parange;
 	u64 mmfr0;
 
 	mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
@@ -383,20 +323,7 @@
 	 * Check with ARMv8.5-GTG that our PAGE_SIZE is supported at
 	 * Stage-2. If not, things will stop very quickly.
 	 */
-	switch (PAGE_SIZE) {
-	default:
-	case SZ_4K:
-		tgran_2 = ID_AA64MMFR0_TGRAN4_2_SHIFT;
-		break;
-	case SZ_16K:
-		tgran_2 = ID_AA64MMFR0_TGRAN16_2_SHIFT;
-		break;
-	case SZ_64K:
-		tgran_2 = ID_AA64MMFR0_TGRAN64_2_SHIFT;
-		break;
-	}
-
-	switch (cpuid_feature_extract_unsigned_field(mmfr0, tgran_2)) {
+	switch (cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_TGRAN_2_SHIFT)) {
 	case ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE:
 		kvm_err("PAGE_SIZE not supported at Stage-2, giving up\n");
 		return -EINVAL;
@@ -418,66 +345,3 @@
 
 	return 0;
 }
-
-/*
- * Configure the VTCR_EL2 for this VM. The VTCR value is common
- * across all the physical CPUs on the system. We use system wide
- * sanitised values to fill in different fields, except for Hardware
- * Management of Access Flags. HA Flag is set unconditionally on
- * all CPUs, as it is safe to run with or without the feature and
- * the bit is RES0 on CPUs that don't support it.
- */
-int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
-{
-	u64 vtcr = VTCR_EL2_FLAGS, mmfr0;
-	u32 parange, phys_shift;
-	u8 lvls;
-
-	if (type & ~KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
-		return -EINVAL;
-
-	phys_shift = KVM_VM_TYPE_ARM_IPA_SIZE(type);
-	if (phys_shift) {
-		if (phys_shift > kvm_ipa_limit ||
-		    phys_shift < 32)
-			return -EINVAL;
-	} else {
-		phys_shift = KVM_PHYS_SHIFT;
-		if (phys_shift > kvm_ipa_limit) {
-			pr_warn_once("%s using unsupported default IPA limit, upgrade your VMM\n",
-				     current->comm);
-			return -EINVAL;
-		}
-	}
-
-	mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
-	parange = cpuid_feature_extract_unsigned_field(mmfr0,
-				ID_AA64MMFR0_PARANGE_SHIFT);
-	if (parange > ID_AA64MMFR0_PARANGE_MAX)
-		parange = ID_AA64MMFR0_PARANGE_MAX;
-	vtcr |= parange << VTCR_EL2_PS_SHIFT;
-
-	vtcr |= VTCR_EL2_T0SZ(phys_shift);
-	/*
-	 * Use a minimum 2 level page table to prevent splitting
-	 * host PMD huge pages at stage2.
-	 */
-	lvls = stage2_pgtable_levels(phys_shift);
-	if (lvls < 2)
-		lvls = 2;
-	vtcr |= VTCR_EL2_LVLS_TO_SL0(lvls);
-
-	/*
-	 * Enable the Hardware Access Flag management, unconditionally
-	 * on all CPUs. The features is RES0 on CPUs without the support
-	 * and must be ignored by the CPUs.
-	 */
-	vtcr |= VTCR_EL2_HA;
-
-	/* Set the vmid bits */
-	vtcr |= (kvm_get_vmid_bits() == 16) ?
-		VTCR_EL2_VS_16BIT :
-		VTCR_EL2_VS_8BIT;
-	kvm->arch.vtcr = vtcr;
-	return 0;
-}
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 835fa03..fedafa1 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -9,6 +9,7 @@
  *          Christoffer Dall <c.dall@virtualopensystems.com>
  */
 
+#include <linux/bitfield.h>
 #include <linux/bsearch.h>
 #include <linux/kvm_host.h>
 #include <linux/mm.h>
@@ -20,7 +21,6 @@
 #include <asm/debug-monitors.h>
 #include <asm/esr.h>
 #include <asm/kvm_arm.h>
-#include <asm/kvm_coproc.h>
 #include <asm/kvm_emulate.h>
 #include <asm/kvm_hyp.h>
 #include <asm/kvm_mmu.h>
@@ -64,112 +64,11 @@
 	return false;
 }
 
-static bool __vcpu_read_sys_reg_from_cpu(int reg, u64 *val)
-{
-	/*
-	 * System registers listed in the switch are not saved on every
-	 * exit from the guest but are only saved on vcpu_put.
-	 *
-	 * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
-	 * should never be listed below, because the guest cannot modify its
-	 * own MPIDR_EL1 and MPIDR_EL1 is accessed for VCPU A from VCPU B's
-	 * thread when emulating cross-VCPU communication.
-	 */
-	switch (reg) {
-	case CSSELR_EL1:	*val = read_sysreg_s(SYS_CSSELR_EL1);	break;
-	case SCTLR_EL1:		*val = read_sysreg_s(SYS_SCTLR_EL12);	break;
-	case CPACR_EL1:		*val = read_sysreg_s(SYS_CPACR_EL12);	break;
-	case TTBR0_EL1:		*val = read_sysreg_s(SYS_TTBR0_EL12);	break;
-	case TTBR1_EL1:		*val = read_sysreg_s(SYS_TTBR1_EL12);	break;
-	case TCR_EL1:		*val = read_sysreg_s(SYS_TCR_EL12);	break;
-	case ESR_EL1:		*val = read_sysreg_s(SYS_ESR_EL12);	break;
-	case AFSR0_EL1:		*val = read_sysreg_s(SYS_AFSR0_EL12);	break;
-	case AFSR1_EL1:		*val = read_sysreg_s(SYS_AFSR1_EL12);	break;
-	case FAR_EL1:		*val = read_sysreg_s(SYS_FAR_EL12);	break;
-	case MAIR_EL1:		*val = read_sysreg_s(SYS_MAIR_EL12);	break;
-	case VBAR_EL1:		*val = read_sysreg_s(SYS_VBAR_EL12);	break;
-	case CONTEXTIDR_EL1:	*val = read_sysreg_s(SYS_CONTEXTIDR_EL12);break;
-	case TPIDR_EL0:		*val = read_sysreg_s(SYS_TPIDR_EL0);	break;
-	case TPIDRRO_EL0:	*val = read_sysreg_s(SYS_TPIDRRO_EL0);	break;
-	case TPIDR_EL1:		*val = read_sysreg_s(SYS_TPIDR_EL1);	break;
-	case AMAIR_EL1:		*val = read_sysreg_s(SYS_AMAIR_EL12);	break;
-	case CNTKCTL_EL1:	*val = read_sysreg_s(SYS_CNTKCTL_EL12);	break;
-	case ELR_EL1:		*val = read_sysreg_s(SYS_ELR_EL12);	break;
-	case PAR_EL1:		*val = read_sysreg_par();		break;
-	case DACR32_EL2:	*val = read_sysreg_s(SYS_DACR32_EL2);	break;
-	case IFSR32_EL2:	*val = read_sysreg_s(SYS_IFSR32_EL2);	break;
-	case DBGVCR32_EL2:	*val = read_sysreg_s(SYS_DBGVCR32_EL2);	break;
-	default:		return false;
-	}
-
-	return true;
-}
-
-static bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
-{
-	/*
-	 * System registers listed in the switch are not restored on every
-	 * entry to the guest but are only restored on vcpu_load.
-	 *
-	 * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
-	 * should never be listed below, because the MPIDR should only be set
-	 * once, before running the VCPU, and never changed later.
-	 */
-	switch (reg) {
-	case CSSELR_EL1:	write_sysreg_s(val, SYS_CSSELR_EL1);	break;
-	case SCTLR_EL1:		write_sysreg_s(val, SYS_SCTLR_EL12);	break;
-	case CPACR_EL1:		write_sysreg_s(val, SYS_CPACR_EL12);	break;
-	case TTBR0_EL1:		write_sysreg_s(val, SYS_TTBR0_EL12);	break;
-	case TTBR1_EL1:		write_sysreg_s(val, SYS_TTBR1_EL12);	break;
-	case TCR_EL1:		write_sysreg_s(val, SYS_TCR_EL12);	break;
-	case ESR_EL1:		write_sysreg_s(val, SYS_ESR_EL12);	break;
-	case AFSR0_EL1:		write_sysreg_s(val, SYS_AFSR0_EL12);	break;
-	case AFSR1_EL1:		write_sysreg_s(val, SYS_AFSR1_EL12);	break;
-	case FAR_EL1:		write_sysreg_s(val, SYS_FAR_EL12);	break;
-	case MAIR_EL1:		write_sysreg_s(val, SYS_MAIR_EL12);	break;
-	case VBAR_EL1:		write_sysreg_s(val, SYS_VBAR_EL12);	break;
-	case CONTEXTIDR_EL1:	write_sysreg_s(val, SYS_CONTEXTIDR_EL12);break;
-	case TPIDR_EL0:		write_sysreg_s(val, SYS_TPIDR_EL0);	break;
-	case TPIDRRO_EL0:	write_sysreg_s(val, SYS_TPIDRRO_EL0);	break;
-	case TPIDR_EL1:		write_sysreg_s(val, SYS_TPIDR_EL1);	break;
-	case AMAIR_EL1:		write_sysreg_s(val, SYS_AMAIR_EL12);	break;
-	case CNTKCTL_EL1:	write_sysreg_s(val, SYS_CNTKCTL_EL12);	break;
-	case ELR_EL1:		write_sysreg_s(val, SYS_ELR_EL12);	break;
-	case PAR_EL1:		write_sysreg_s(val, SYS_PAR_EL1);	break;
-	case DACR32_EL2:	write_sysreg_s(val, SYS_DACR32_EL2);	break;
-	case IFSR32_EL2:	write_sysreg_s(val, SYS_IFSR32_EL2);	break;
-	case DBGVCR32_EL2:	write_sysreg_s(val, SYS_DBGVCR32_EL2);	break;
-	default:		return false;
-	}
-
-	return true;
-}
-
-u64 vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg)
-{
-	u64 val = 0x8badf00d8badf00d;
-
-	if (vcpu->arch.sysregs_loaded_on_cpu &&
-	    __vcpu_read_sys_reg_from_cpu(reg, &val))
-		return val;
-
-	return __vcpu_sys_reg(vcpu, reg);
-}
-
-void vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg)
-{
-	if (vcpu->arch.sysregs_loaded_on_cpu &&
-	    __vcpu_write_sys_reg_to_cpu(val, reg))
-		return;
-
-	 __vcpu_sys_reg(vcpu, reg) = val;
-}
-
 /* 3 bits per cache level, as per CLIDR, but non-existent caches always 0 */
 static u32 cache_levels;
 
 /* CSSELR values; used to index KVM_REG_ARM_DEMUX_ID_CCSIDR */
-#define CSSELR_MAX 12
+#define CSSELR_MAX 14
 
 /* Which cache CCSIDR represents depends on CSSELR value. */
 static u32 get_ccsidr(u32 csselr)
@@ -209,6 +108,24 @@
 	return true;
 }
 
+static void get_access_mask(const struct sys_reg_desc *r, u64 *mask, u64 *shift)
+{
+	switch (r->aarch32_map) {
+	case AA32_LO:
+		*mask = GENMASK_ULL(31, 0);
+		*shift = 0;
+		break;
+	case AA32_HI:
+		*mask = GENMASK_ULL(63, 32);
+		*shift = 32;
+		break;
+	default:
+		*mask = GENMASK_ULL(63, 0);
+		*shift = 0;
+		break;
+	}
+}
+
 /*
  * Generic accessor for VM registers. Only called as long as HCR_TVM
  * is set. If the guest enables the MMU, we stop trapping the VM
@@ -219,26 +136,21 @@
 			  const struct sys_reg_desc *r)
 {
 	bool was_enabled = vcpu_has_cache_enabled(vcpu);
-	u64 val;
-	int reg = r->reg;
+	u64 val, mask, shift;
 
 	BUG_ON(!p->is_write);
 
-	/* See the 32bit mapping in kvm_host.h */
-	if (p->is_aarch32)
-		reg = r->reg / 2;
+	get_access_mask(r, &mask, &shift);
 
-	if (!p->is_aarch32 || !p->is_32bit) {
-		val = p->regval;
+	if (~mask) {
+		val = vcpu_read_sys_reg(vcpu, r->reg);
+		val &= ~mask;
 	} else {
-		val = vcpu_read_sys_reg(vcpu, reg);
-		if (r->reg % 2)
-			val = (p->regval << 32) | (u64)lower_32_bits(val);
-		else
-			val = ((u64)upper_32_bits(val) << 32) |
-				lower_32_bits(p->regval);
+		val = 0;
 	}
-	vcpu_write_sys_reg(vcpu, val, reg);
+
+	val |= (p->regval & (mask >> shift)) << shift;
+	vcpu_write_sys_reg(vcpu, val, r->reg);
 
 	kvm_toggle_cache(vcpu, was_enabled);
 	return true;
@@ -248,17 +160,13 @@
 			 struct sys_reg_params *p,
 			 const struct sys_reg_desc *r)
 {
+	u64 mask, shift;
+
 	if (p->is_write)
 		return ignore_write(vcpu, p);
 
-	p->regval = vcpu_read_sys_reg(vcpu, ACTLR_EL1);
-
-	if (p->is_aarch32) {
-		if (r->Op2 & 2)
-			p->regval = upper_32_bits(p->regval);
-		else
-			p->regval = lower_32_bits(p->regval);
-	}
+	get_access_mask(r, &mask, &shift);
+	p->regval = (vcpu_read_sys_reg(vcpu, r->reg) & mask) >> shift;
 
 	return true;
 }
@@ -285,7 +193,7 @@
 	 * equivalent to ICC_SGI0R_EL1, as there is no "alternative" secure
 	 * group.
 	 */
-	if (p->is_aarch32) {
+	if (p->Op0 == 0) {		/* AArch32 */
 		switch (p->Op1) {
 		default:		/* Keep GCC quiet */
 		case 0:			/* ICC_SGI1R */
@@ -296,7 +204,7 @@
 			g1 = false;
 			break;
 		}
-	} else {
+	} else {			/* AArch64 */
 		switch (p->Op2) {
 		default:		/* Keep GCC quiet */
 		case 5:			/* ICC_SGI1R_EL1 */
@@ -346,8 +254,7 @@
 			  const struct sys_reg_desc *r)
 {
 	u64 val = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
-	u32 sr = sys_reg((u32)r->Op0, (u32)r->Op1,
-			 (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
+	u32 sr = reg_to_encoding(r);
 
 	if (!(val & (0xfUL << ID_AA64MMFR1_LOR_SHIFT))) {
 		kvm_inject_undefined(vcpu);
@@ -387,14 +294,14 @@
 /*
  * We want to avoid world-switching all the DBG registers all the
  * time:
- * 
+ *
  * - If we've touched any debug register, it is likely that we're
  *   going to touch more of them. It then makes sense to disable the
  *   traps and start doing the save/restore dance
  * - If debug is active (DBG_MDSCR_KDE or DBG_MDSCR_MDE set), it is
  *   then mandatory to save/restore the registers, as the guest
  *   depends on them.
- * 
+ *
  * For this, we use a DIRTY bit, indicating the guest has modified the
  * debug registers, used as follow:
  *
@@ -438,26 +345,30 @@
  */
 static void reg_to_dbg(struct kvm_vcpu *vcpu,
 		       struct sys_reg_params *p,
+		       const struct sys_reg_desc *rd,
 		       u64 *dbg_reg)
 {
-	u64 val = p->regval;
+	u64 mask, shift, val;
 
-	if (p->is_32bit) {
-		val &= 0xffffffffUL;
-		val |= ((*dbg_reg >> 32) << 32);
-	}
+	get_access_mask(rd, &mask, &shift);
 
+	val = *dbg_reg;
+	val &= ~mask;
+	val |= (p->regval & (mask >> shift)) << shift;
 	*dbg_reg = val;
+
 	vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
 }
 
 static void dbg_to_reg(struct kvm_vcpu *vcpu,
 		       struct sys_reg_params *p,
+		       const struct sys_reg_desc *rd,
 		       u64 *dbg_reg)
 {
-	p->regval = *dbg_reg;
-	if (p->is_32bit)
-		p->regval &= 0xffffffffUL;
+	u64 mask, shift;
+
+	get_access_mask(rd, &mask, &shift);
+	p->regval = (*dbg_reg & mask) >> shift;
 }
 
 static bool trap_bvr(struct kvm_vcpu *vcpu,
@@ -467,9 +378,9 @@
 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
 
 	if (p->is_write)
-		reg_to_dbg(vcpu, p, dbg_reg);
+		reg_to_dbg(vcpu, p, rd, dbg_reg);
 	else
-		dbg_to_reg(vcpu, p, dbg_reg);
+		dbg_to_reg(vcpu, p, rd, dbg_reg);
 
 	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
 
@@ -509,9 +420,9 @@
 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
 
 	if (p->is_write)
-		reg_to_dbg(vcpu, p, dbg_reg);
+		reg_to_dbg(vcpu, p, rd, dbg_reg);
 	else
-		dbg_to_reg(vcpu, p, dbg_reg);
+		dbg_to_reg(vcpu, p, rd, dbg_reg);
 
 	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
 
@@ -552,9 +463,9 @@
 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
 
 	if (p->is_write)
-		reg_to_dbg(vcpu, p, dbg_reg);
+		reg_to_dbg(vcpu, p, rd, dbg_reg);
 	else
-		dbg_to_reg(vcpu, p, dbg_reg);
+		dbg_to_reg(vcpu, p, rd, dbg_reg);
 
 	trace_trap_reg(__func__, rd->CRm, p->is_write,
 		vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm]);
@@ -595,9 +506,9 @@
 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
 
 	if (p->is_write)
-		reg_to_dbg(vcpu, p, dbg_reg);
+		reg_to_dbg(vcpu, p, rd, dbg_reg);
 	else
-		dbg_to_reg(vcpu, p, dbg_reg);
+		dbg_to_reg(vcpu, p, rd, dbg_reg);
 
 	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
 
@@ -644,19 +555,51 @@
 
 static void reset_mpidr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
 {
-	u64 mpidr;
+	vcpu_write_sys_reg(vcpu, calculate_mpidr(vcpu), MPIDR_EL1);
+}
 
-	/*
-	 * Map the vcpu_id into the first three affinity level fields of
-	 * the MPIDR. We limit the number of VCPUs in level 0 due to a
-	 * limitation to 16 CPUs in that level in the ICC_SGIxR registers
-	 * of the GICv3 to be able to address each CPU directly when
-	 * sending IPIs.
-	 */
-	mpidr = (vcpu->vcpu_id & 0x0f) << MPIDR_LEVEL_SHIFT(0);
-	mpidr |= ((vcpu->vcpu_id >> 4) & 0xff) << MPIDR_LEVEL_SHIFT(1);
-	mpidr |= ((vcpu->vcpu_id >> 12) & 0xff) << MPIDR_LEVEL_SHIFT(2);
-	vcpu_write_sys_reg(vcpu, (1ULL << 31) | mpidr, MPIDR_EL1);
+static unsigned int pmu_visibility(const struct kvm_vcpu *vcpu,
+				   const struct sys_reg_desc *r)
+{
+	if (kvm_vcpu_has_pmu(vcpu))
+		return 0;
+
+	return REG_HIDDEN;
+}
+
+static void reset_pmu_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
+{
+	u64 n, mask = BIT(ARMV8_PMU_CYCLE_IDX);
+
+	/* No PMU available, any PMU reg may UNDEF... */
+	if (!kvm_arm_support_pmu_v3())
+		return;
+
+	n = read_sysreg(pmcr_el0) >> ARMV8_PMU_PMCR_N_SHIFT;
+	n &= ARMV8_PMU_PMCR_N_MASK;
+	if (n)
+		mask |= GENMASK(n - 1, 0);
+
+	reset_unknown(vcpu, r);
+	__vcpu_sys_reg(vcpu, r->reg) &= mask;
+}
+
+static void reset_pmevcntr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
+{
+	reset_unknown(vcpu, r);
+	__vcpu_sys_reg(vcpu, r->reg) &= GENMASK(31, 0);
+}
+
+static void reset_pmevtyper(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
+{
+	reset_unknown(vcpu, r);
+	__vcpu_sys_reg(vcpu, r->reg) &= ARMV8_PMU_EVTYPE_MASK;
+}
+
+static void reset_pmselr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
+{
+	reset_unknown(vcpu, r);
+	__vcpu_sys_reg(vcpu, r->reg) &= ARMV8_PMU_COUNTER_MASK;
 }
 
 static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
@@ -674,7 +617,7 @@
 	 */
 	val = ((pmcr & ~ARMV8_PMU_PMCR_MASK)
 	       | (ARMV8_PMU_PMCR_MASK & 0xdecafbad)) & (~ARMV8_PMU_PMCR_E);
-	if (!system_supports_32bit_el0())
+	if (!kvm_supports_32bit_el0())
 		val |= ARMV8_PMU_PMCR_LC;
 	__vcpu_sys_reg(vcpu, r->reg) = val;
 }
@@ -715,9 +658,6 @@
 {
 	u64 val;
 
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
 	if (pmu_access_el0_disabled(vcpu))
 		return false;
 
@@ -726,11 +666,10 @@
 		val = __vcpu_sys_reg(vcpu, PMCR_EL0);
 		val &= ~ARMV8_PMU_PMCR_MASK;
 		val |= p->regval & ARMV8_PMU_PMCR_MASK;
-		if (!system_supports_32bit_el0())
+		if (!kvm_supports_32bit_el0())
 			val |= ARMV8_PMU_PMCR_LC;
 		__vcpu_sys_reg(vcpu, PMCR_EL0) = val;
 		kvm_pmu_handle_pmcr(vcpu, val);
-		kvm_vcpu_pmu_restore_guest(vcpu);
 	} else {
 		/* PMCR.P & PMCR.C are RAZ */
 		val = __vcpu_sys_reg(vcpu, PMCR_EL0)
@@ -744,9 +683,6 @@
 static bool access_pmselr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
 			  const struct sys_reg_desc *r)
 {
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
 	if (pmu_access_event_counter_el0_disabled(vcpu))
 		return false;
 
@@ -763,17 +699,18 @@
 static bool access_pmceid(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
 			  const struct sys_reg_desc *r)
 {
-	u64 pmceid;
-
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
+	u64 pmceid, mask, shift;
 
 	BUG_ON(p->is_write);
 
 	if (pmu_access_el0_disabled(vcpu))
 		return false;
 
+	get_access_mask(r, &mask, &shift);
+
 	pmceid = kvm_pmu_get_pmceid(vcpu, (p->Op2 & 1));
+	pmceid &= mask;
+	pmceid >>= shift;
 
 	p->regval = pmceid;
 
@@ -798,10 +735,7 @@
 			      struct sys_reg_params *p,
 			      const struct sys_reg_desc *r)
 {
-	u64 idx;
-
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
+	u64 idx = ~0UL;
 
 	if (r->CRn == 9 && r->CRm == 13) {
 		if (r->Op2 == 2) {
@@ -817,8 +751,6 @@
 				return false;
 
 			idx = ARMV8_PMU_CYCLE_IDX;
-		} else {
-			return false;
 		}
 	} else if (r->CRn == 0 && r->CRm == 9) {
 		/* PMCCNTR */
@@ -832,10 +764,11 @@
 			return false;
 
 		idx = ((r->CRm & 3) << 3) | (r->Op2 & 7);
-	} else {
-		return false;
 	}
 
+	/* Catch any decoding mistake */
+	WARN_ON(idx == ~0UL);
+
 	if (!pmu_counter_idx_valid(vcpu, idx))
 		return false;
 
@@ -856,9 +789,6 @@
 {
 	u64 idx, reg;
 
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
 	if (pmu_access_el0_disabled(vcpu))
 		return false;
 
@@ -896,9 +826,6 @@
 {
 	u64 val, mask;
 
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
 	if (pmu_access_el0_disabled(vcpu))
 		return false;
 
@@ -916,7 +843,7 @@
 			kvm_pmu_disable_counter_mask(vcpu, val);
 		}
 	} else {
-		p->regval = __vcpu_sys_reg(vcpu, PMCNTENSET_EL0) & mask;
+		p->regval = __vcpu_sys_reg(vcpu, PMCNTENSET_EL0);
 	}
 
 	return true;
@@ -927,13 +854,8 @@
 {
 	u64 mask = kvm_pmu_valid_counter_mask(vcpu);
 
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
-	if (!vcpu_mode_priv(vcpu)) {
-		kvm_inject_undefined(vcpu);
+	if (check_pmu_access_disabled(vcpu, 0))
 		return false;
-	}
 
 	if (p->is_write) {
 		u64 val = p->regval & mask;
@@ -945,7 +867,7 @@
 			/* accessing PMINTENCLR_EL1 */
 			__vcpu_sys_reg(vcpu, PMINTENSET_EL1) &= ~val;
 	} else {
-		p->regval = __vcpu_sys_reg(vcpu, PMINTENSET_EL1) & mask;
+		p->regval = __vcpu_sys_reg(vcpu, PMINTENSET_EL1);
 	}
 
 	return true;
@@ -956,9 +878,6 @@
 {
 	u64 mask = kvm_pmu_valid_counter_mask(vcpu);
 
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
 	if (pmu_access_el0_disabled(vcpu))
 		return false;
 
@@ -970,7 +889,7 @@
 			/* accessing PMOVSCLR_EL0 */
 			__vcpu_sys_reg(vcpu, PMOVSSET_EL0) &= ~(p->regval & mask);
 	} else {
-		p->regval = __vcpu_sys_reg(vcpu, PMOVSSET_EL0) & mask;
+		p->regval = __vcpu_sys_reg(vcpu, PMOVSSET_EL0);
 	}
 
 	return true;
@@ -981,9 +900,6 @@
 {
 	u64 mask;
 
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
 	if (!p->is_write)
 		return read_from_write_only(vcpu, p, r);
 
@@ -998,9 +914,6 @@
 static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
 			     const struct sys_reg_desc *r)
 {
-	if (!kvm_arm_pmu_v3_ready(vcpu))
-		return trap_raz_wi(vcpu, p, r);
-
 	if (p->is_write) {
 		if (!vcpu_mode_priv(vcpu)) {
 			kvm_inject_undefined(vcpu);
@@ -1017,10 +930,6 @@
 	return true;
 }
 
-#define reg_to_encoding(x)						\
-	sys_reg((u32)(x)->Op0, (u32)(x)->Op1,				\
-		(u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2);
-
 /* Silly macro to expand the DBG{BCR,BVR,WVR,WCR}n_EL1 registers in one go */
 #define DBG_BCR_BVR_WCR_WVR_EL1(n)					\
 	{ SYS_DESC(SYS_DBGBVRn_EL1(n)),					\
@@ -1032,15 +941,20 @@
 	{ SYS_DESC(SYS_DBGWCRn_EL1(n)),					\
 	  trap_wcr, reset_wcr, 0, 0,  get_wcr, set_wcr }
 
+#define PMU_SYS_REG(r)						\
+	SYS_DESC(r), .reset = reset_pmu_reg, .visibility = pmu_visibility
+
 /* Macro to expand the PMEVCNTRn_EL0 register */
 #define PMU_PMEVCNTR_EL0(n)						\
-	{ SYS_DESC(SYS_PMEVCNTRn_EL0(n)),					\
-	  access_pmu_evcntr, reset_unknown, (PMEVCNTR0_EL0 + n), }
+	{ PMU_SYS_REG(SYS_PMEVCNTRn_EL0(n)),				\
+	  .reset = reset_pmevcntr,					\
+	  .access = access_pmu_evcntr, .reg = (PMEVCNTR0_EL0 + n), }
 
 /* Macro to expand the PMEVTYPERn_EL0 register */
 #define PMU_PMEVTYPER_EL0(n)						\
-	{ SYS_DESC(SYS_PMEVTYPERn_EL0(n)),					\
-	  access_pmu_evtyper, reset_unknown, (PMEVTYPER0_EL0 + n), }
+	{ PMU_SYS_REG(SYS_PMEVTYPERn_EL0(n)),				\
+	  .reset = reset_pmevtyper,					\
+	  .access = access_pmu_evtyper, .reg = (PMEVTYPER0_EL0 + n), }
 
 static bool undef_access(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
 			 const struct sys_reg_desc *r)
@@ -1116,33 +1030,56 @@
 static u64 read_id_reg(const struct kvm_vcpu *vcpu,
 		struct sys_reg_desc const *r, bool raz)
 {
-	u32 id = sys_reg((u32)r->Op0, (u32)r->Op1,
-			 (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
-	u64 val = raz ? 0 : read_sanitised_ftr_reg(id);
+	u32 id = reg_to_encoding(r);
+	u64 val;
 
-	if (id == SYS_ID_AA64PFR0_EL1) {
+	if (raz)
+		return 0;
+
+	val = read_sanitised_ftr_reg(id);
+
+	switch (id) {
+	case SYS_ID_AA64PFR0_EL1:
 		if (!vcpu_has_sve(vcpu))
-			val &= ~(0xfUL << ID_AA64PFR0_SVE_SHIFT);
-		val &= ~(0xfUL << ID_AA64PFR0_AMU_SHIFT);
-		val &= ~(0xfUL << ID_AA64PFR0_CSV2_SHIFT);
-		val |= ((u64)vcpu->kvm->arch.pfr0_csv2 << ID_AA64PFR0_CSV2_SHIFT);
-	} else if (id == SYS_ID_AA64PFR1_EL1) {
-		val &= ~(0xfUL << ID_AA64PFR1_MTE_SHIFT);
-	} else if (id == SYS_ID_AA64ISAR1_EL1 && !vcpu_has_ptrauth(vcpu)) {
-		val &= ~((0xfUL << ID_AA64ISAR1_APA_SHIFT) |
-			 (0xfUL << ID_AA64ISAR1_API_SHIFT) |
-			 (0xfUL << ID_AA64ISAR1_GPA_SHIFT) |
-			 (0xfUL << ID_AA64ISAR1_GPI_SHIFT));
-	} else if (id == SYS_ID_AA64DFR0_EL1) {
-		/* Limit guests to PMUv3 for ARMv8.1 */
+			val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_SVE);
+		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_AMU);
+		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_CSV2);
+		val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_CSV2), (u64)vcpu->kvm->arch.pfr0_csv2);
+		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_CSV3);
+		val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_CSV3), (u64)vcpu->kvm->arch.pfr0_csv3);
+		if (kvm_vgic_global_state.type == VGIC_V3) {
+			val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_GIC);
+			val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_GIC), 1);
+		}
+		break;
+	case SYS_ID_AA64PFR1_EL1:
+		if (!kvm_has_mte(vcpu->kvm))
+			val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_MTE);
+		break;
+	case SYS_ID_AA64ISAR1_EL1:
+		if (!vcpu_has_ptrauth(vcpu))
+			val &= ~(ARM64_FEATURE_MASK(ID_AA64ISAR1_APA) |
+				 ARM64_FEATURE_MASK(ID_AA64ISAR1_API) |
+				 ARM64_FEATURE_MASK(ID_AA64ISAR1_GPA) |
+				 ARM64_FEATURE_MASK(ID_AA64ISAR1_GPI));
+		break;
+	case SYS_ID_AA64DFR0_EL1:
+		/* Limit debug to ARMv8.0 */
+		val &= ~ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER);
+		val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER), 6);
+		/* Limit guests to PMUv3 for ARMv8.4 */
 		val = cpuid_feature_cap_perfmon_field(val,
-						ID_AA64DFR0_PMUVER_SHIFT,
-						ID_AA64DFR0_PMUVER_8_1);
-	} else if (id == SYS_ID_DFR0_EL1) {
-		/* Limit guests to PMUv3 for ARMv8.1 */
+						      ID_AA64DFR0_PMUVER_SHIFT,
+						      kvm_vcpu_has_pmu(vcpu) ? ID_AA64DFR0_PMUVER_8_4 : 0);
+		/* Hide SPE from guests */
+		val &= ~ARM64_FEATURE_MASK(ID_AA64DFR0_PMSVER);
+		break;
+	case SYS_ID_DFR0_EL1:
+		/* Limit guests to PMUv3 for ARMv8.4 */
 		val = cpuid_feature_cap_perfmon_field(val,
-						ID_DFR0_PERFMON_SHIFT,
-						ID_DFR0_PERFMON_8_1);
+						      ID_DFR0_PERFMON_SHIFT,
+						      kvm_vcpu_has_pmu(vcpu) ? ID_DFR0_PERFMON_8_4 : 0);
+		break;
 	}
 
 	return val;
@@ -1151,8 +1088,7 @@
 static unsigned int id_visibility(const struct kvm_vcpu *vcpu,
 				  const struct sys_reg_desc *r)
 {
-	u32 id = sys_reg((u32)r->Op0, (u32)r->Op1,
-			 (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
+	u32 id = reg_to_encoding(r);
 
 	switch (id) {
 	case SYS_ID_AA64ZFR0_EL1:
@@ -1213,9 +1149,9 @@
 			       const struct kvm_one_reg *reg, void __user *uaddr)
 {
 	const u64 id = sys_reg_to_index(rd);
+	u8 csv2, csv3;
 	int err;
 	u64 val;
-	u8 csv2;
 
 	err = reg_from_user(&val, uaddr, id);
 	if (err)
@@ -1231,13 +1167,21 @@
 	    (csv2 && arm64_get_spectre_v2_state() != SPECTRE_UNAFFECTED))
 		return -EINVAL;
 
-	/* We can only differ with CSV2, and anything else is an error */
+	/* Same thing for CSV3 */
+	csv3 = cpuid_feature_extract_unsigned_field(val, ID_AA64PFR0_CSV3_SHIFT);
+	if (csv3 > 1 ||
+	    (csv3 && arm64_get_meltdown_state() != SPECTRE_UNAFFECTED))
+		return -EINVAL;
+
+	/* We can only differ with CSV[23], and anything else is an error */
 	val ^= read_id_reg(vcpu, rd, false);
-	val &= ~(0xFUL << ID_AA64PFR0_CSV2_SHIFT);
+	val &= ~((0xFUL << ID_AA64PFR0_CSV2_SHIFT) |
+		 (0xFUL << ID_AA64PFR0_CSV3_SHIFT));
 	if (val)
 		return -EINVAL;
 
 	vcpu->kvm->arch.pfr0_csv2 = csv2;
+	vcpu->kvm->arch.pfr0_csv3 = csv3 ;
 
 	return 0;
 }
@@ -1294,18 +1238,35 @@
 	return __set_id_reg(vcpu, rd, uaddr, raz);
 }
 
-static int get_raz_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
-			  const struct kvm_one_reg *reg, void __user *uaddr)
-{
-	return __get_id_reg(vcpu, rd, uaddr, true);
-}
-
 static int set_raz_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 			  const struct kvm_one_reg *reg, void __user *uaddr)
 {
 	return __set_id_reg(vcpu, rd, uaddr, true);
 }
 
+static int get_raz_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
+		       const struct kvm_one_reg *reg, void __user *uaddr)
+{
+	const u64 id = sys_reg_to_index(rd);
+	const u64 val = 0;
+
+	return reg_to_user(uaddr, &val, id);
+}
+
+static int set_wi_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
+		      const struct kvm_one_reg *reg, void __user *uaddr)
+{
+	int err;
+	u64 val;
+
+	/* Perform the access even if we are going to ignore the value */
+	err = reg_from_user(&val, uaddr, sys_reg_to_index(rd));
+	if (err)
+		return err;
+
+	return 0;
+}
+
 static bool access_ctr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
 		       const struct sys_reg_desc *r)
 {
@@ -1331,10 +1292,6 @@
 {
 	int reg = r->reg;
 
-	/* See the 32bit mapping in kvm_host.h */
-	if (p->is_aarch32)
-		reg = r->reg / 2;
-
 	if (p->is_write)
 		vcpu_write_sys_reg(vcpu, p->regval, reg);
 	else
@@ -1370,6 +1327,23 @@
 	return true;
 }
 
+static unsigned int mte_visibility(const struct kvm_vcpu *vcpu,
+				   const struct sys_reg_desc *rd)
+{
+	if (kvm_has_mte(vcpu->kvm))
+		return 0;
+
+	return REG_HIDDEN;
+}
+
+#define MTE_REG(name) {				\
+	SYS_DESC(SYS_##name),			\
+	.access = undef_access,			\
+	.reset = reset_unknown,			\
+	.reg = name,				\
+	.visibility = mte_visibility,		\
+}
+
 /* sys_reg_desc initialiser for known cpufeature ID registers */
 #define ID_SANITISED(name) {			\
 	SYS_DESC(SYS_##name),			\
@@ -1387,7 +1361,7 @@
 #define ID_UNALLOCATED(crm, op2) {			\
 	Op0(3), Op1(0), CRn(0), CRm(crm), Op2(op2),	\
 	.access = access_raz_id_reg,			\
-	.get_user = get_raz_id_reg,			\
+	.get_user = get_raz_reg,			\
 	.set_user = set_raz_id_reg,			\
 }
 
@@ -1399,7 +1373,7 @@
 #define ID_HIDDEN(name) {			\
 	SYS_DESC(SYS_##name),			\
 	.access = access_raz_id_reg,		\
-	.get_user = get_raz_id_reg,		\
+	.get_user = get_raz_reg,		\
 	.set_user = set_raz_id_reg,		\
 }
 
@@ -1538,10 +1512,11 @@
 	{ SYS_DESC(SYS_ACTLR_EL1), access_actlr, reset_actlr, ACTLR_EL1 },
 	{ SYS_DESC(SYS_CPACR_EL1), NULL, reset_val, CPACR_EL1, 0 },
 
-	{ SYS_DESC(SYS_RGSR_EL1), undef_access },
-	{ SYS_DESC(SYS_GCR_EL1), undef_access },
+	MTE_REG(RGSR_EL1),
+	MTE_REG(GCR_EL1),
 
 	{ SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility },
+	{ SYS_DESC(SYS_TRFCR_EL1), undef_access },
 	{ SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 },
 	{ SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 },
 	{ SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 },
@@ -1565,14 +1540,30 @@
 	{ SYS_DESC(SYS_ERXMISC0_EL1), trap_raz_wi },
 	{ SYS_DESC(SYS_ERXMISC1_EL1), trap_raz_wi },
 
-	{ SYS_DESC(SYS_TFSR_EL1), undef_access },
-	{ SYS_DESC(SYS_TFSRE0_EL1), undef_access },
+	MTE_REG(TFSR_EL1),
+	MTE_REG(TFSRE0_EL1),
 
 	{ SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 },
 	{ SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 },
 
-	{ SYS_DESC(SYS_PMINTENSET_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
-	{ SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
+	{ SYS_DESC(SYS_PMSCR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMSNEVFR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMSICR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMSIRR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMSFCR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMSEVFR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMSLATFR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMSIDR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMBLIMITR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMBPTR_EL1), undef_access },
+	{ SYS_DESC(SYS_PMBSR_EL1), undef_access },
+	/* PMBIDR_EL1 is not trapped */
+
+	{ PMU_SYS_REG(SYS_PMINTENSET_EL1),
+	  .access = access_pminten, .reg = PMINTENSET_EL1 },
+	{ PMU_SYS_REG(SYS_PMINTENCLR_EL1),
+	  .access = access_pminten, .reg = PMINTENSET_EL1 },
+	{ SYS_DESC(SYS_PMMIR_EL1), trap_raz_wi },
 
 	{ SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 },
 	{ SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 },
@@ -1611,23 +1602,41 @@
 	{ SYS_DESC(SYS_CSSELR_EL1), access_csselr, reset_unknown, CSSELR_EL1 },
 	{ SYS_DESC(SYS_CTR_EL0), access_ctr },
 
-	{ SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 },
-	{ SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
-	{ SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
-	{ SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 },
-	{ SYS_DESC(SYS_PMSWINC_EL0), access_pmswinc, reset_unknown, PMSWINC_EL0 },
-	{ SYS_DESC(SYS_PMSELR_EL0), access_pmselr, reset_unknown, PMSELR_EL0 },
-	{ SYS_DESC(SYS_PMCEID0_EL0), access_pmceid },
-	{ SYS_DESC(SYS_PMCEID1_EL0), access_pmceid },
-	{ SYS_DESC(SYS_PMCCNTR_EL0), access_pmu_evcntr, reset_unknown, PMCCNTR_EL0 },
-	{ SYS_DESC(SYS_PMXEVTYPER_EL0), access_pmu_evtyper },
-	{ SYS_DESC(SYS_PMXEVCNTR_EL0), access_pmu_evcntr },
+	{ PMU_SYS_REG(SYS_PMCR_EL0), .access = access_pmcr,
+	  .reset = reset_pmcr, .reg = PMCR_EL0 },
+	{ PMU_SYS_REG(SYS_PMCNTENSET_EL0),
+	  .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
+	{ PMU_SYS_REG(SYS_PMCNTENCLR_EL0),
+	  .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
+	{ PMU_SYS_REG(SYS_PMOVSCLR_EL0),
+	  .access = access_pmovs, .reg = PMOVSSET_EL0 },
+	/*
+	 * PM_SWINC_EL0 is exposed to userspace as RAZ/WI, as it was
+	 * previously (and pointlessly) advertised in the past...
+	 */
+	{ PMU_SYS_REG(SYS_PMSWINC_EL0),
+	  .get_user = get_raz_reg, .set_user = set_wi_reg,
+	  .access = access_pmswinc, .reset = NULL },
+	{ PMU_SYS_REG(SYS_PMSELR_EL0),
+	  .access = access_pmselr, .reset = reset_pmselr, .reg = PMSELR_EL0 },
+	{ PMU_SYS_REG(SYS_PMCEID0_EL0),
+	  .access = access_pmceid, .reset = NULL },
+	{ PMU_SYS_REG(SYS_PMCEID1_EL0),
+	  .access = access_pmceid, .reset = NULL },
+	{ PMU_SYS_REG(SYS_PMCCNTR_EL0),
+	  .access = access_pmu_evcntr, .reset = reset_unknown, .reg = PMCCNTR_EL0 },
+	{ PMU_SYS_REG(SYS_PMXEVTYPER_EL0),
+	  .access = access_pmu_evtyper, .reset = NULL },
+	{ PMU_SYS_REG(SYS_PMXEVCNTR_EL0),
+	  .access = access_pmu_evcntr, .reset = NULL },
 	/*
 	 * PMUSERENR_EL0 resets as unknown in 64bit mode while it resets as zero
 	 * in 32bit mode. Here we choose to reset it as zero for consistency.
 	 */
-	{ SYS_DESC(SYS_PMUSERENR_EL0), access_pmuserenr, reset_val, PMUSERENR_EL0, 0 },
-	{ SYS_DESC(SYS_PMOVSSET_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 },
+	{ PMU_SYS_REG(SYS_PMUSERENR_EL0), .access = access_pmuserenr,
+	  .reset = reset_val, .reg = PMUSERENR_EL0, .val = 0 },
+	{ PMU_SYS_REG(SYS_PMOVSSET_EL0),
+	  .access = access_pmovs, .reg = PMOVSSET_EL0 },
 
 	{ SYS_DESC(SYS_TPIDR_EL0), NULL, reset_unknown, TPIDR_EL0 },
 	{ SYS_DESC(SYS_TPIDRRO_EL0), NULL, reset_unknown, TPIDRRO_EL0 },
@@ -1779,14 +1788,15 @@
 	 * PMCCFILTR_EL0 resets as unknown in 64bit mode while it resets as zero
 	 * in 32bit mode. Here we choose to reset it as zero for consistency.
 	 */
-	{ SYS_DESC(SYS_PMCCFILTR_EL0), access_pmu_evtyper, reset_val, PMCCFILTR_EL0, 0 },
+	{ PMU_SYS_REG(SYS_PMCCFILTR_EL0), .access = access_pmu_evtyper,
+	  .reset = reset_val, .reg = PMCCFILTR_EL0, .val = 0 },
 
 	{ SYS_DESC(SYS_DACR32_EL2), NULL, reset_unknown, DACR32_EL2 },
 	{ SYS_DESC(SYS_IFSR32_EL2), NULL, reset_unknown, IFSR32_EL2 },
 	{ SYS_DESC(SYS_FPEXC32_EL2), NULL, reset_val, FPEXC32_EL2, 0x700 },
 };
 
-static bool trap_dbgidr(struct kvm_vcpu *vcpu,
+static bool trap_dbgdidr(struct kvm_vcpu *vcpu,
 			struct sys_reg_params *p,
 			const struct sys_reg_desc *r)
 {
@@ -1800,71 +1810,32 @@
 		p->regval = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) |
 			     (((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) |
 			     (((dfr >> ID_AA64DFR0_CTX_CMPS_SHIFT) & 0xf) << 20)
-			     | (6 << 16) | (el3 << 14) | (el3 << 12));
+			     | (6 << 16) | (1 << 15) | (el3 << 14) | (el3 << 12));
 		return true;
 	}
 }
 
-static bool trap_debug32(struct kvm_vcpu *vcpu,
-			 struct sys_reg_params *p,
-			 const struct sys_reg_desc *r)
-{
-	if (p->is_write) {
-		vcpu_cp14(vcpu, r->reg) = p->regval;
-		vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
-	} else {
-		p->regval = vcpu_cp14(vcpu, r->reg);
-	}
-
-	return true;
-}
-
-/* AArch32 debug register mappings
+/*
+ * AArch32 debug register mappings
  *
  * AArch32 DBGBVRn is mapped to DBGBVRn_EL1[31:0]
  * AArch32 DBGBXVRn is mapped to DBGBVRn_EL1[63:32]
  *
- * All control registers and watchpoint value registers are mapped to
- * the lower 32 bits of their AArch64 equivalents. We share the trap
- * handlers with the above AArch64 code which checks what mode the
- * system is in.
+ * None of the other registers share their location, so treat them as
+ * if they were 64bit.
  */
-
-static bool trap_xvr(struct kvm_vcpu *vcpu,
-		     struct sys_reg_params *p,
-		     const struct sys_reg_desc *rd)
-{
-	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
-
-	if (p->is_write) {
-		u64 val = *dbg_reg;
-
-		val &= 0xffffffffUL;
-		val |= p->regval << 32;
-		*dbg_reg = val;
-
-		vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
-	} else {
-		p->regval = *dbg_reg >> 32;
-	}
-
-	trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
-
-	return true;
-}
-
-#define DBG_BCR_BVR_WCR_WVR(n)						\
-	/* DBGBVRn */							\
-	{ Op1( 0), CRn( 0), CRm((n)), Op2( 4), trap_bvr, NULL, n }, 	\
-	/* DBGBCRn */							\
-	{ Op1( 0), CRn( 0), CRm((n)), Op2( 5), trap_bcr, NULL, n },	\
-	/* DBGWVRn */							\
-	{ Op1( 0), CRn( 0), CRm((n)), Op2( 6), trap_wvr, NULL, n },	\
-	/* DBGWCRn */							\
+#define DBG_BCR_BVR_WCR_WVR(n)						      \
+	/* DBGBVRn */							      \
+	{ AA32(LO), Op1( 0), CRn( 0), CRm((n)), Op2( 4), trap_bvr, NULL, n }, \
+	/* DBGBCRn */							      \
+	{ Op1( 0), CRn( 0), CRm((n)), Op2( 5), trap_bcr, NULL, n },	      \
+	/* DBGWVRn */							      \
+	{ Op1( 0), CRn( 0), CRm((n)), Op2( 6), trap_wvr, NULL, n },	      \
+	/* DBGWCRn */							      \
 	{ Op1( 0), CRn( 0), CRm((n)), Op2( 7), trap_wcr, NULL, n }
 
-#define DBGBXVR(n)							\
-	{ Op1( 0), CRn( 1), CRm((n)), Op2( 1), trap_xvr, NULL, n }
+#define DBGBXVR(n)							      \
+	{ AA32(HI), Op1( 0), CRn( 1), CRm((n)), Op2( 1), trap_bvr, NULL, n }
 
 /*
  * Trapped cp14 registers. We generally ignore most of the external
@@ -1872,8 +1843,8 @@
  * guest. Revisit this one day, would this principle change.
  */
 static const struct sys_reg_desc cp14_regs[] = {
-	/* DBGIDR */
-	{ Op1( 0), CRn( 0), CRm( 0), Op2( 0), trap_dbgidr },
+	/* DBGDIDR */
+	{ Op1( 0), CRn( 0), CRm( 0), Op2( 0), trap_dbgdidr },
 	/* DBGDTRRXext */
 	{ Op1( 0), CRn( 0), CRm( 0), Op2( 2), trap_raz_wi },
 
@@ -1882,9 +1853,9 @@
 	{ Op1( 0), CRn( 0), CRm( 1), Op2( 0), trap_raz_wi },
 	DBG_BCR_BVR_WCR_WVR(1),
 	/* DBGDCCINT */
-	{ Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug32, NULL, cp14_DBGDCCINT },
+	{ Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug_regs, NULL, MDCCINT_EL1 },
 	/* DBGDSCRext */
-	{ Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug32, NULL, cp14_DBGDSCRext },
+	{ Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug_regs, NULL, MDSCR_EL1 },
 	DBG_BCR_BVR_WCR_WVR(2),
 	/* DBGDTR[RT]Xint */
 	{ Op1( 0), CRn( 0), CRm( 3), Op2( 0), trap_raz_wi },
@@ -1899,7 +1870,7 @@
 	{ Op1( 0), CRn( 0), CRm( 6), Op2( 2), trap_raz_wi },
 	DBG_BCR_BVR_WCR_WVR(6),
 	/* DBGVCR */
-	{ Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug32, NULL, cp14_DBGVCR },
+	{ Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug_regs, NULL, DBGVCR32_EL2 },
 	DBG_BCR_BVR_WCR_WVR(7),
 	DBG_BCR_BVR_WCR_WVR(8),
 	DBG_BCR_BVR_WCR_WVR(9),
@@ -1985,20 +1956,29 @@
  */
 static const struct sys_reg_desc cp15_regs[] = {
 	{ Op1( 0), CRn( 0), CRm( 0), Op2( 1), access_ctr },
-	{ Op1( 0), CRn( 1), CRm( 0), Op2( 0), access_vm_reg, NULL, c1_SCTLR },
-	{ Op1( 0), CRn( 1), CRm( 0), Op2( 1), access_actlr },
-	{ Op1( 0), CRn( 1), CRm( 0), Op2( 3), access_actlr },
-	{ Op1( 0), CRn( 2), CRm( 0), Op2( 0), access_vm_reg, NULL, c2_TTBR0 },
-	{ Op1( 0), CRn( 2), CRm( 0), Op2( 1), access_vm_reg, NULL, c2_TTBR1 },
-	{ Op1( 0), CRn( 2), CRm( 0), Op2( 2), access_vm_reg, NULL, c2_TTBCR },
-	{ Op1( 0), CRn( 2), CRm( 0), Op2( 3), access_vm_reg, NULL, c2_TTBCR2 },
-	{ Op1( 0), CRn( 3), CRm( 0), Op2( 0), access_vm_reg, NULL, c3_DACR },
-	{ Op1( 0), CRn( 5), CRm( 0), Op2( 0), access_vm_reg, NULL, c5_DFSR },
-	{ Op1( 0), CRn( 5), CRm( 0), Op2( 1), access_vm_reg, NULL, c5_IFSR },
-	{ Op1( 0), CRn( 5), CRm( 1), Op2( 0), access_vm_reg, NULL, c5_ADFSR },
-	{ Op1( 0), CRn( 5), CRm( 1), Op2( 1), access_vm_reg, NULL, c5_AIFSR },
-	{ Op1( 0), CRn( 6), CRm( 0), Op2( 0), access_vm_reg, NULL, c6_DFAR },
-	{ Op1( 0), CRn( 6), CRm( 0), Op2( 2), access_vm_reg, NULL, c6_IFAR },
+	{ Op1( 0), CRn( 1), CRm( 0), Op2( 0), access_vm_reg, NULL, SCTLR_EL1 },
+	/* ACTLR */
+	{ AA32(LO), Op1( 0), CRn( 1), CRm( 0), Op2( 1), access_actlr, NULL, ACTLR_EL1 },
+	/* ACTLR2 */
+	{ AA32(HI), Op1( 0), CRn( 1), CRm( 0), Op2( 3), access_actlr, NULL, ACTLR_EL1 },
+	{ Op1( 0), CRn( 2), CRm( 0), Op2( 0), access_vm_reg, NULL, TTBR0_EL1 },
+	{ Op1( 0), CRn( 2), CRm( 0), Op2( 1), access_vm_reg, NULL, TTBR1_EL1 },
+	/* TTBCR */
+	{ AA32(LO), Op1( 0), CRn( 2), CRm( 0), Op2( 2), access_vm_reg, NULL, TCR_EL1 },
+	/* TTBCR2 */
+	{ AA32(HI), Op1( 0), CRn( 2), CRm( 0), Op2( 3), access_vm_reg, NULL, TCR_EL1 },
+	{ Op1( 0), CRn( 3), CRm( 0), Op2( 0), access_vm_reg, NULL, DACR32_EL2 },
+	/* DFSR */
+	{ Op1( 0), CRn( 5), CRm( 0), Op2( 0), access_vm_reg, NULL, ESR_EL1 },
+	{ Op1( 0), CRn( 5), CRm( 0), Op2( 1), access_vm_reg, NULL, IFSR32_EL2 },
+	/* ADFSR */
+	{ Op1( 0), CRn( 5), CRm( 1), Op2( 0), access_vm_reg, NULL, AFSR0_EL1 },
+	/* AIFSR */
+	{ Op1( 0), CRn( 5), CRm( 1), Op2( 1), access_vm_reg, NULL, AFSR1_EL1 },
+	/* DFAR */
+	{ AA32(LO), Op1( 0), CRn( 6), CRm( 0), Op2( 0), access_vm_reg, NULL, FAR_EL1 },
+	/* IFAR */
+	{ AA32(HI), Op1( 0), CRn( 6), CRm( 0), Op2( 2), access_vm_reg, NULL, FAR_EL1 },
 
 	/*
 	 * DC{C,I,CI}SW operations:
@@ -2014,8 +1994,8 @@
 	{ Op1( 0), CRn( 9), CRm(12), Op2( 3), access_pmovs },
 	{ Op1( 0), CRn( 9), CRm(12), Op2( 4), access_pmswinc },
 	{ Op1( 0), CRn( 9), CRm(12), Op2( 5), access_pmselr },
-	{ Op1( 0), CRn( 9), CRm(12), Op2( 6), access_pmceid },
-	{ Op1( 0), CRn( 9), CRm(12), Op2( 7), access_pmceid },
+	{ AA32(LO), Op1( 0), CRn( 9), CRm(12), Op2( 6), access_pmceid },
+	{ AA32(LO), Op1( 0), CRn( 9), CRm(12), Op2( 7), access_pmceid },
 	{ Op1( 0), CRn( 9), CRm(13), Op2( 0), access_pmu_evcntr },
 	{ Op1( 0), CRn( 9), CRm(13), Op2( 1), access_pmu_evtyper },
 	{ Op1( 0), CRn( 9), CRm(13), Op2( 2), access_pmu_evcntr },
@@ -2023,16 +2003,24 @@
 	{ Op1( 0), CRn( 9), CRm(14), Op2( 1), access_pminten },
 	{ Op1( 0), CRn( 9), CRm(14), Op2( 2), access_pminten },
 	{ Op1( 0), CRn( 9), CRm(14), Op2( 3), access_pmovs },
+	{ AA32(HI), Op1( 0), CRn( 9), CRm(14), Op2( 4), access_pmceid },
+	{ AA32(HI), Op1( 0), CRn( 9), CRm(14), Op2( 5), access_pmceid },
+	/* PMMIR */
+	{ Op1( 0), CRn( 9), CRm(14), Op2( 6), trap_raz_wi },
 
-	{ Op1( 0), CRn(10), CRm( 2), Op2( 0), access_vm_reg, NULL, c10_PRRR },
-	{ Op1( 0), CRn(10), CRm( 2), Op2( 1), access_vm_reg, NULL, c10_NMRR },
-	{ Op1( 0), CRn(10), CRm( 3), Op2( 0), access_vm_reg, NULL, c10_AMAIR0 },
-	{ Op1( 0), CRn(10), CRm( 3), Op2( 1), access_vm_reg, NULL, c10_AMAIR1 },
+	/* PRRR/MAIR0 */
+	{ AA32(LO), Op1( 0), CRn(10), CRm( 2), Op2( 0), access_vm_reg, NULL, MAIR_EL1 },
+	/* NMRR/MAIR1 */
+	{ AA32(HI), Op1( 0), CRn(10), CRm( 2), Op2( 1), access_vm_reg, NULL, MAIR_EL1 },
+	/* AMAIR0 */
+	{ AA32(LO), Op1( 0), CRn(10), CRm( 3), Op2( 0), access_vm_reg, NULL, AMAIR_EL1 },
+	/* AMAIR1 */
+	{ AA32(HI), Op1( 0), CRn(10), CRm( 3), Op2( 1), access_vm_reg, NULL, AMAIR_EL1 },
 
 	/* ICC_SRE */
 	{ Op1( 0), CRn(12), CRm(12), Op2( 5), access_gic_sre },
 
-	{ Op1( 0), CRn(13), CRm( 0), Op2( 1), access_vm_reg, NULL, c13_CID },
+	{ Op1( 0), CRn(13), CRm( 0), Op2( 1), access_vm_reg, NULL, CONTEXTIDR_EL1 },
 
 	/* Arch Tmers */
 	{ SYS_DESC(SYS_AARCH32_CNTP_TVAL), access_arch_timer },
@@ -2107,14 +2095,14 @@
 
 	{ Op1(1), CRn( 0), CRm( 0), Op2(0), access_ccsidr },
 	{ Op1(1), CRn( 0), CRm( 0), Op2(1), access_clidr },
-	{ Op1(2), CRn( 0), CRm( 0), Op2(0), access_csselr, NULL, c0_CSSELR },
+	{ Op1(2), CRn( 0), CRm( 0), Op2(0), access_csselr, NULL, CSSELR_EL1 },
 };
 
 static const struct sys_reg_desc cp15_64_regs[] = {
-	{ Op1( 0), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, c2_TTBR0 },
+	{ Op1( 0), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, TTBR0_EL1 },
 	{ Op1( 0), CRn( 0), CRm( 9), Op2( 0), access_pmu_evcntr },
 	{ Op1( 0), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_SGI1R */
-	{ Op1( 1), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, c2_TTBR1 },
+	{ Op1( 1), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, TTBR1_EL1 },
 	{ Op1( 1), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_ASGI1R */
 	{ Op1( 2), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_SGI0R */
 	{ SYS_DESC(SYS_AARCH32_CNTP_CVAL),    access_arch_timer },
@@ -2141,23 +2129,6 @@
 	return 0;
 }
 
-static int match_sys_reg(const void *key, const void *elt)
-{
-	const unsigned long pval = (unsigned long)key;
-	const struct sys_reg_desc *r = elt;
-
-	return pval - reg_to_encoding(r);
-}
-
-static const struct sys_reg_desc *find_reg(const struct sys_reg_params *params,
-					 const struct sys_reg_desc table[],
-					 unsigned int num)
-{
-	unsigned long pval = reg_to_encoding(params);
-
-	return bsearch((void *)pval, table, num, sizeof(table[0]), match_sys_reg);
-}
-
 int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu)
 {
 	kvm_inject_undefined(vcpu);
@@ -2185,7 +2156,7 @@
 
 	/* Skip instruction if instructed so */
 	if (likely(r->access(vcpu, params, r)))
-		kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+		kvm_incr_pc(vcpu);
 }
 
 /*
@@ -2258,8 +2229,6 @@
 	int Rt = kvm_vcpu_sys_get_rt(vcpu);
 	int Rt2 = (esr >> 10) & 0x1f;
 
-	params.is_aarch32 = true;
-	params.is_32bit = false;
 	params.CRm = (esr >> 1) & 0xf;
 	params.is_write = ((esr & 1) == 0);
 
@@ -2309,8 +2278,6 @@
 	u32 esr = kvm_vcpu_get_esr(vcpu);
 	int Rt  = kvm_vcpu_sys_get_rt(vcpu);
 
-	params.is_aarch32 = true;
-	params.is_32bit = true;
 	params.CRm = (esr >> 1) & 0xf;
 	params.regval = vcpu_get_reg(vcpu, Rt);
 	params.is_write = ((esr & 1) == 0);
@@ -2404,15 +2371,8 @@
 
 	trace_kvm_handle_sys_reg(esr);
 
-	params.is_aarch32 = false;
-	params.is_32bit = false;
-	params.Op0 = (esr >> 20) & 3;
-	params.Op1 = (esr >> 14) & 0x7;
-	params.CRn = (esr >> 10) & 0xf;
-	params.CRm = (esr >> 1) & 0xf;
-	params.Op2 = (esr >> 17) & 0x7;
+	params = esr_sys64_to_params(esr);
 	params.regval = vcpu_get_reg(vcpu, Rt);
-	params.is_write = !(esr & 1);
 
 	ret = emulate_sys_reg(vcpu, &params);
 
diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h
index 0f95964..9b32772 100644
--- a/arch/arm64/kvm/sys_regs.h
+++ b/arch/arm64/kvm/sys_regs.h
@@ -11,6 +11,12 @@
 #ifndef __ARM64_KVM_SYS_REGS_LOCAL_H__
 #define __ARM64_KVM_SYS_REGS_LOCAL_H__
 
+#include <linux/bsearch.h>
+
+#define reg_to_encoding(x)						\
+	sys_reg((u32)(x)->Op0, (u32)(x)->Op1,				\
+		(u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2)
+
 struct sys_reg_params {
 	u8	Op0;
 	u8	Op1;
@@ -19,14 +25,26 @@
 	u8	Op2;
 	u64	regval;
 	bool	is_write;
-	bool	is_aarch32;
-	bool	is_32bit;	/* Only valid if is_aarch32 is true */
 };
 
+#define esr_sys64_to_params(esr)                                               \
+	((struct sys_reg_params){ .Op0 = ((esr) >> 20) & 3,                    \
+				  .Op1 = ((esr) >> 14) & 0x7,                  \
+				  .CRn = ((esr) >> 10) & 0xf,                  \
+				  .CRm = ((esr) >> 1) & 0xf,                   \
+				  .Op2 = ((esr) >> 17) & 0x7,                  \
+				  .is_write = !((esr) & 1) })
+
 struct sys_reg_desc {
 	/* Sysreg string for debug */
 	const char *name;
 
+	enum {
+		AA32_ZEROHIGH,
+		AA32_LO,
+		AA32_HI,
+	} aarch32_map;
+
 	/* MRS/MSR instruction which accesses it. */
 	u8	Op0;
 	u8	Op1;
@@ -148,11 +166,48 @@
 	return i1->Op2 - i2->Op2;
 }
 
+static inline int match_sys_reg(const void *key, const void *elt)
+{
+	const unsigned long pval = (unsigned long)key;
+	const struct sys_reg_desc *r = elt;
+
+	return pval - reg_to_encoding(r);
+}
+
+static inline const struct sys_reg_desc *
+find_reg(const struct sys_reg_params *params, const struct sys_reg_desc table[],
+	 unsigned int num)
+{
+	unsigned long pval = reg_to_encoding(params);
+
+	return __inline_bsearch((void *)pval, table, num, sizeof(table[0]), match_sys_reg);
+}
+
+static inline u64 calculate_mpidr(const struct kvm_vcpu *vcpu)
+{
+	u64 mpidr;
+
+	/*
+	 * Map the vcpu_id into the first three affinity level fields of
+	 * the MPIDR. We limit the number of VCPUs in level 0 due to a
+	 * limitation to 16 CPUs in that level in the ICC_SGIxR registers
+	 * of the GICv3 to be able to address each CPU directly when
+	 * sending IPIs.
+	 */
+	mpidr = (vcpu->vcpu_id & 0x0f) << MPIDR_LEVEL_SHIFT(0);
+	mpidr |= ((vcpu->vcpu_id >> 4) & 0xff) << MPIDR_LEVEL_SHIFT(1);
+	mpidr |= ((vcpu->vcpu_id >> 12) & 0xff) << MPIDR_LEVEL_SHIFT(2);
+	mpidr |= (1ULL << 31);
+
+	return mpidr;
+}
+
 const struct sys_reg_desc *find_reg_by_id(u64 id,
 					  struct sys_reg_params *params,
 					  const struct sys_reg_desc table[],
 					  unsigned int num);
 
+#define AA32(_x)	.aarch32_map = AA32_##_x
 #define Op0(_x) 	.Op0 = _x
 #define Op1(_x) 	.Op1 = _x
 #define CRn(_x)		.CRn = _x
diff --git a/arch/arm64/kvm/trace_handle_exit.h b/arch/arm64/kvm/trace_handle_exit.h
index 8d78acc..064a58c 100644
--- a/arch/arm64/kvm/trace_handle_exit.h
+++ b/arch/arm64/kvm/trace_handle_exit.h
@@ -78,13 +78,17 @@
 	TP_printk("flags: 0x%08x", __entry->guest_debug)
 );
 
+/*
+ * The dreg32 name is a leftover from a distant past. This will really
+ * output a 64bit value...
+ */
 TRACE_EVENT(kvm_arm_set_dreg32,
-	TP_PROTO(const char *name, __u32 value),
+	TP_PROTO(const char *name, __u64 value),
 	TP_ARGS(name, value),
 
 	TP_STRUCT__entry(
 		__field(const char *, name)
-		__field(__u32, value)
+		__field(__u64, value)
 	),
 
 	TP_fast_assign(
@@ -92,7 +96,7 @@
 		__entry->value = value;
 	),
 
-	TP_printk("%s: 0x%08x", __entry->name, __entry->value)
+	TP_printk("%s: 0x%llx", __entry->name, __entry->value)
 );
 
 TRACE_DEFINE_SIZEOF(__u64);
diff --git a/arch/arm64/kvm/trng.c b/arch/arm64/kvm/trng.c
new file mode 100644
index 0000000..99bdd71
--- /dev/null
+++ b/arch/arm64/kvm/trng.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2020 Arm Ltd.
+
+#include <linux/arm-smccc.h>
+#include <linux/kvm_host.h>
+
+#include <asm/kvm_emulate.h>
+
+#include <kvm/arm_hypercalls.h>
+
+#define ARM_SMCCC_TRNG_VERSION_1_0	0x10000UL
+
+/* Those values are deliberately separate from the generic SMCCC definitions. */
+#define TRNG_SUCCESS			0UL
+#define TRNG_NOT_SUPPORTED		((unsigned long)-1)
+#define TRNG_INVALID_PARAMETER		((unsigned long)-2)
+#define TRNG_NO_ENTROPY			((unsigned long)-3)
+
+#define TRNG_MAX_BITS64			192
+
+static const uuid_t arm_smc_trng_uuid __aligned(4) = UUID_INIT(
+	0x0d21e000, 0x4384, 0x11eb, 0x80, 0x70, 0x52, 0x44, 0x55, 0x4e, 0x5a, 0x4c);
+
+static int kvm_trng_do_rnd(struct kvm_vcpu *vcpu, int size)
+{
+	DECLARE_BITMAP(bits, TRNG_MAX_BITS64);
+	u32 num_bits = smccc_get_arg1(vcpu);
+	int i;
+
+	if (num_bits > 3 * size) {
+		smccc_set_retval(vcpu, TRNG_INVALID_PARAMETER, 0, 0, 0);
+		return 1;
+	}
+
+	/* get as many bits as we need to fulfil the request */
+	for (i = 0; i < DIV_ROUND_UP(num_bits, BITS_PER_LONG); i++)
+		bits[i] = get_random_long();
+
+	bitmap_clear(bits, num_bits, TRNG_MAX_BITS64 - num_bits);
+
+	if (size == 32)
+		smccc_set_retval(vcpu, TRNG_SUCCESS, lower_32_bits(bits[1]),
+				 upper_32_bits(bits[0]), lower_32_bits(bits[0]));
+	else
+		smccc_set_retval(vcpu, TRNG_SUCCESS, bits[2], bits[1], bits[0]);
+
+	memzero_explicit(bits, sizeof(bits));
+	return 1;
+}
+
+int kvm_trng_call(struct kvm_vcpu *vcpu)
+{
+	const __le32 *u = (__le32 *)arm_smc_trng_uuid.b;
+	u32 func_id = smccc_get_function(vcpu);
+	unsigned long val = TRNG_NOT_SUPPORTED;
+	int size = 64;
+
+	switch (func_id) {
+	case ARM_SMCCC_TRNG_VERSION:
+		val = ARM_SMCCC_TRNG_VERSION_1_0;
+		break;
+	case ARM_SMCCC_TRNG_FEATURES:
+		switch (smccc_get_arg1(vcpu)) {
+		case ARM_SMCCC_TRNG_VERSION:
+		case ARM_SMCCC_TRNG_FEATURES:
+		case ARM_SMCCC_TRNG_GET_UUID:
+		case ARM_SMCCC_TRNG_RND32:
+		case ARM_SMCCC_TRNG_RND64:
+			val = TRNG_SUCCESS;
+		}
+		break;
+	case ARM_SMCCC_TRNG_GET_UUID:
+		smccc_set_retval(vcpu, le32_to_cpu(u[0]), le32_to_cpu(u[1]),
+				 le32_to_cpu(u[2]), le32_to_cpu(u[3]));
+		return 1;
+	case ARM_SMCCC_TRNG_RND32:
+		size = 32;
+		fallthrough;
+	case ARM_SMCCC_TRNG_RND64:
+		return kvm_trng_do_rnd(vcpu, size);
+	}
+
+	smccc_set_retval(vcpu, val, 0, 0, 0);
+	return 1;
+}
diff --git a/arch/arm64/kvm/va_layout.c b/arch/arm64/kvm/va_layout.c
index e0404bc..f0b678d 100644
--- a/arch/arm64/kvm/va_layout.c
+++ b/arch/arm64/kvm/va_layout.c
@@ -11,6 +11,7 @@
 #include <asm/debug-monitors.h>
 #include <asm/insn.h>
 #include <asm/kvm_mmu.h>
+#include <asm/memory.h>
 
 /*
  * The LSB of the HYP VA tag
@@ -23,6 +24,29 @@
 static u64 va_mask;
 
 /*
+ * Compute HYP VA by using the same computation as kern_hyp_va().
+ */
+static u64 __early_kern_hyp_va(u64 addr)
+{
+	addr &= va_mask;
+	addr |= tag_val << tag_lsb;
+	return addr;
+}
+
+/*
+ * Store a hyp VA <-> PA offset into a EL2-owned variable.
+ */
+static void init_hyp_physvirt_offset(void)
+{
+	u64 kern_va, hyp_va;
+
+	/* Compute the offset from the hyp VA and PA of a random symbol. */
+	kern_va = (u64)lm_alias(__hyp_text_start);
+	hyp_va = __early_kern_hyp_va(kern_va);
+	hyp_physvirt_offset = (s64)__pa(kern_va) - (s64)hyp_va;
+}
+
+/*
  * We want to generate a hyp VA with the following format (with V ==
  * vabits_actual):
  *
@@ -53,6 +77,36 @@
 		tag_val |= get_random_long() & GENMASK_ULL(vabits_actual - 2, tag_lsb);
 	}
 	tag_val >>= tag_lsb;
+
+	init_hyp_physvirt_offset();
+}
+
+/*
+ * The .hyp.reloc ELF section contains a list of kimg positions that
+ * contains kimg VAs but will be accessed only in hyp execution context.
+ * Convert them to hyp VAs. See gen-hyprel.c for more details.
+ */
+__init void kvm_apply_hyp_relocations(void)
+{
+	int32_t *rel;
+	int32_t *begin = (int32_t *)__hyp_reloc_begin;
+	int32_t *end = (int32_t *)__hyp_reloc_end;
+
+	for (rel = begin; rel < end; ++rel) {
+		uintptr_t *ptr, kimg_va;
+
+		/*
+		 * Each entry contains a 32-bit relative offset from itself
+		 * to a kimg VA position.
+		 */
+		ptr = (uintptr_t *)lm_alias((char *)rel + *rel);
+
+		/* Read the kimg VA value at the relocation address. */
+		kimg_va = *ptr;
+
+		/* Convert to hyp VA and store back to the relocation address. */
+		*ptr = __early_kern_hyp_va((uintptr_t)lm_alias(kimg_va));
+	}
 }
 
 static u32 compute_instruction(int n, u32 rd, u32 rn)
@@ -131,28 +185,21 @@
 	}
 }
 
-void *__kvm_bp_vect_base;
-int __kvm_harden_el2_vector_slot;
-
 void kvm_patch_vector_branch(struct alt_instr *alt,
 			     __le32 *origptr, __le32 *updptr, int nr_inst)
 {
 	u64 addr;
 	u32 insn;
 
-	BUG_ON(nr_inst != 5);
+	BUG_ON(nr_inst != 4);
 
-	if (has_vhe() || !cpus_have_const_cap(ARM64_HARDEN_EL2_VECTORS)) {
-		WARN_ON_ONCE(cpus_have_const_cap(ARM64_HARDEN_EL2_VECTORS));
+	if (!cpus_have_const_cap(ARM64_SPECTRE_V3A) || WARN_ON_ONCE(has_vhe()))
 		return;
-	}
 
 	/*
 	 * Compute HYP VA by using the same computation as kern_hyp_va()
 	 */
-	addr = (uintptr_t)kvm_ksym_ref(__kvm_hyp_vector);
-	addr &= va_mask;
-	addr |= tag_val << tag_lsb;
+	addr = __early_kern_hyp_va((u64)kvm_ksym_ref(__kvm_hyp_vector));
 
 	/* Use PC[10:7] to branch to the same vector in KVM */
 	addr |= ((u64)origptr & GENMASK_ULL(10, 7));
@@ -163,15 +210,6 @@
 	 */
 	addr += KVM_VECTOR_PREAMBLE;
 
-	/* stp x0, x1, [sp, #-16]! */
-	insn = aarch64_insn_gen_load_store_pair(AARCH64_INSN_REG_0,
-						AARCH64_INSN_REG_1,
-						AARCH64_INSN_REG_SP,
-						-16,
-						AARCH64_INSN_VARIANT_64BIT,
-						AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX);
-	*updptr++ = cpu_to_le32(insn);
-
 	/* movz x0, #(addr & 0xffff) */
 	insn = aarch64_insn_gen_movewide(AARCH64_INSN_REG_0,
 					 (u16)addr,
@@ -201,3 +239,71 @@
 					   AARCH64_INSN_BRANCH_NOLINK);
 	*updptr++ = cpu_to_le32(insn);
 }
+
+static void generate_mov_q(u64 val, __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+	u32 insn, oinsn, rd;
+
+	BUG_ON(nr_inst != 4);
+
+	/* Compute target register */
+	oinsn = le32_to_cpu(*origptr);
+	rd = aarch64_insn_decode_register(AARCH64_INSN_REGTYPE_RD, oinsn);
+
+	/* movz rd, #(val & 0xffff) */
+	insn = aarch64_insn_gen_movewide(rd,
+					 (u16)val,
+					 0,
+					 AARCH64_INSN_VARIANT_64BIT,
+					 AARCH64_INSN_MOVEWIDE_ZERO);
+	*updptr++ = cpu_to_le32(insn);
+
+	/* movk rd, #((val >> 16) & 0xffff), lsl #16 */
+	insn = aarch64_insn_gen_movewide(rd,
+					 (u16)(val >> 16),
+					 16,
+					 AARCH64_INSN_VARIANT_64BIT,
+					 AARCH64_INSN_MOVEWIDE_KEEP);
+	*updptr++ = cpu_to_le32(insn);
+
+	/* movk rd, #((val >> 32) & 0xffff), lsl #32 */
+	insn = aarch64_insn_gen_movewide(rd,
+					 (u16)(val >> 32),
+					 32,
+					 AARCH64_INSN_VARIANT_64BIT,
+					 AARCH64_INSN_MOVEWIDE_KEEP);
+	*updptr++ = cpu_to_le32(insn);
+
+	/* movk rd, #((val >> 48) & 0xffff), lsl #48 */
+	insn = aarch64_insn_gen_movewide(rd,
+					 (u16)(val >> 48),
+					 48,
+					 AARCH64_INSN_VARIANT_64BIT,
+					 AARCH64_INSN_MOVEWIDE_KEEP);
+	*updptr++ = cpu_to_le32(insn);
+}
+
+void kvm_get_kimage_voffset(struct alt_instr *alt,
+			    __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+	generate_mov_q(kimage_voffset, origptr, updptr, nr_inst);
+}
+
+void kvm_compute_final_ctr_el0(struct alt_instr *alt,
+			       __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+	generate_mov_q(read_sanitised_ftr_reg(SYS_CTR_EL0),
+		       origptr, updptr, nr_inst);
+}
+
+void kvm_get__text(struct alt_instr *alt,
+		   __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+	generate_mov_q((u64)_text, origptr, updptr, nr_inst);
+}
+
+void kvm_get__etext(struct alt_instr *alt,
+		   __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+	generate_mov_q((u64)_etext, origptr, updptr, nr_inst);
+}
diff --git a/arch/arm64/kvm/vgic-sys-reg-v3.c b/arch/arm64/kvm/vgic-sys-reg-v3.c
index 2f92bdc..07d5271 100644
--- a/arch/arm64/kvm/vgic-sys-reg-v3.c
+++ b/arch/arm64/kvm/vgic-sys-reg-v3.c
@@ -268,8 +268,6 @@
 
 	params.regval = *reg;
 	params.is_write = is_write;
-	params.is_aarch32 = false;
-	params.is_32bit = false;
 
 	if (find_reg_by_id(sysreg, &params, gic_v3_icc_reg_descs,
 			      ARRAY_SIZE(gic_v3_icc_reg_descs)))
@@ -288,8 +286,6 @@
 	if (is_write)
 		params.regval = *reg;
 	params.is_write = is_write;
-	params.is_aarch32 = false;
-	params.is_32bit = false;
 
 	r = find_reg_by_id(sysreg, &params, gic_v3_icc_reg_descs,
 			   ARRAY_SIZE(gic_v3_icc_reg_descs));
diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
index 32e32d6..ce2b42c 100644
--- a/arch/arm64/kvm/vgic/vgic-init.c
+++ b/arch/arm64/kvm/vgic/vgic-init.c
@@ -91,7 +91,7 @@
 		return ret;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
-		if (vcpu->arch.has_run_once)
+		if (vcpu_has_run_once(vcpu))
 			goto out_unlock;
 	}
 	ret = 0;
@@ -134,7 +134,7 @@
 	struct kvm_vcpu *vcpu0 = kvm_get_vcpu(kvm, 0);
 	int i;
 
-	dist->spis = kcalloc(nr_spis, sizeof(struct vgic_irq), GFP_KERNEL);
+	dist->spis = kcalloc(nr_spis, sizeof(struct vgic_irq), GFP_KERNEL_ACCOUNT);
 	if (!dist->spis)
 		return  -ENOMEM;
 
@@ -335,13 +335,14 @@
 	kfree(dist->spis);
 	dist->spis = NULL;
 	dist->nr_spis = 0;
+	dist->vgic_dist_base = VGIC_ADDR_UNDEF;
 
-	if (kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) {
-		list_for_each_entry_safe(rdreg, next, &dist->rd_regions, list) {
-			list_del(&rdreg->list);
-			kfree(rdreg);
-		}
+	if (dist->vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) {
+		list_for_each_entry_safe(rdreg, next, &dist->rd_regions, list)
+			vgic_v3_free_redist_region(rdreg);
 		INIT_LIST_HEAD(&dist->rd_regions);
+	} else {
+		dist->vgic_cpu_base = VGIC_ADDR_UNDEF;
 	}
 
 	if (vgic_has_its(kvm))
@@ -362,6 +363,7 @@
 	vgic_flush_pending_lpis(vcpu);
 
 	INIT_LIST_HEAD(&vgic_cpu->ap_list_head);
+	vgic_cpu->rd_iodev.base_addr = VGIC_ADDR_UNDEF;
 }
 
 /* To be called with kvm->lock held */
@@ -419,7 +421,8 @@
  * Map the MMIO regions depending on the VGIC model exposed to the guest
  * called on the first VCPU run.
  * Also map the virtual CPU interface into the VM.
- * v2/v3 derivatives call vgic_init if not already done.
+ * v2 calls vgic_init() if not already done.
+ * v3 and derivatives return an error if the VGIC is not initialized.
  * vgic_ready() returns true if this function has succeeded.
  * @kvm: kvm struct pointer
  */
@@ -428,7 +431,13 @@
 	struct vgic_dist *dist = &kvm->arch.vgic;
 	int ret = 0;
 
+	if (likely(vgic_ready(kvm)))
+		return 0;
+
 	mutex_lock(&kvm->lock);
+	if (vgic_ready(kvm))
+		goto out;
+
 	if (!irqchip_in_kernel(kvm))
 		goto out;
 
@@ -439,6 +448,8 @@
 
 	if (ret)
 		__kvm_vgic_destroy(kvm);
+	else
+		dist->ready = true;
 
 out:
 	mutex_unlock(&kvm->lock);
@@ -471,6 +482,16 @@
 	return IRQ_HANDLED;
 }
 
+static struct gic_kvm_info *gic_kvm_info;
+
+void __init vgic_set_kvm_info(const struct gic_kvm_info *info)
+{
+	BUG_ON(gic_kvm_info != NULL);
+	gic_kvm_info = kmalloc(sizeof(*info), GFP_KERNEL);
+	if (gic_kvm_info)
+		*gic_kvm_info = *info;
+}
+
 /**
  * kvm_vgic_init_cpu_hardware - initialize the GIC VE hardware
  *
@@ -498,18 +519,29 @@
  */
 int kvm_vgic_hyp_init(void)
 {
-	const struct gic_kvm_info *gic_kvm_info;
+	bool has_mask;
 	int ret;
 
-	gic_kvm_info = gic_get_kvm_info();
 	if (!gic_kvm_info)
 		return -ENODEV;
 
-	if (!gic_kvm_info->maint_irq) {
+	has_mask = !gic_kvm_info->no_maint_irq_mask;
+
+	if (has_mask && !gic_kvm_info->maint_irq) {
 		kvm_err("No vgic maintenance irq\n");
 		return -ENXIO;
 	}
 
+	/*
+	 * If we get one of these oddball non-GICs, taint the kernel,
+	 * as we have no idea of how they *really* behave.
+	 */
+	if (gic_kvm_info->no_hw_deactivation) {
+		kvm_info("Non-architectural vgic, tainting kernel\n");
+		add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK);
+		kvm_vgic_global_state.no_hw_deactivation = true;
+	}
+
 	switch (gic_kvm_info->type) {
 	case GIC_V2:
 		ret = vgic_v2_probe(gic_kvm_info);
@@ -525,10 +557,17 @@
 		ret = -ENODEV;
 	}
 
+	kvm_vgic_global_state.maint_irq = gic_kvm_info->maint_irq;
+
+	kfree(gic_kvm_info);
+	gic_kvm_info = NULL;
+
 	if (ret)
 		return ret;
 
-	kvm_vgic_global_state.maint_irq = gic_kvm_info->maint_irq;
+	if (!has_mask)
+		return 0;
+
 	ret = request_percpu_irq(kvm_vgic_global_state.maint_irq,
 				 vgic_maintenance_handler,
 				 "vgic", kvm_get_running_vcpus());
diff --git a/arch/arm64/kvm/vgic/vgic-irqfd.c b/arch/arm64/kvm/vgic/vgic-irqfd.c
index 79f8899..475059b 100644
--- a/arch/arm64/kvm/vgic/vgic-irqfd.c
+++ b/arch/arm64/kvm/vgic/vgic-irqfd.c
@@ -139,7 +139,7 @@
 	u32 nr = dist->nr_spis;
 	int i, ret;
 
-	entries = kcalloc(nr, sizeof(*entries), GFP_KERNEL);
+	entries = kcalloc(nr, sizeof(*entries), GFP_KERNEL_ACCOUNT);
 	if (!entries)
 		return -ENOMEM;
 
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index 62f261b..4a63778 100644
--- a/arch/arm64/kvm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -48,7 +48,7 @@
 	if (irq)
 		return irq;
 
-	irq = kzalloc(sizeof(struct vgic_irq), GFP_KERNEL);
+	irq = kzalloc(sizeof(struct vgic_irq), GFP_KERNEL_ACCOUNT);
 	if (!irq)
 		return ERR_PTR(-ENOMEM);
 
@@ -332,7 +332,7 @@
 	 * we must be careful not to overrun the array.
 	 */
 	irq_count = READ_ONCE(dist->lpi_list_count);
-	intids = kmalloc_array(irq_count, sizeof(intids[0]), GFP_KERNEL);
+	intids = kmalloc_array(irq_count, sizeof(intids[0]), GFP_KERNEL_ACCOUNT);
 	if (!intids)
 		return -ENOMEM;
 
@@ -990,7 +990,7 @@
 	if (!vgic_its_check_id(its, its->baser_coll_table, coll_id, NULL))
 		return E_ITS_MAPC_COLLECTION_OOR;
 
-	collection = kzalloc(sizeof(*collection), GFP_KERNEL);
+	collection = kzalloc(sizeof(*collection), GFP_KERNEL_ACCOUNT);
 	if (!collection)
 		return -ENOMEM;
 
@@ -1034,7 +1034,7 @@
 {
 	struct its_ite *ite;
 
-	ite = kzalloc(sizeof(*ite), GFP_KERNEL);
+	ite = kzalloc(sizeof(*ite), GFP_KERNEL_ACCOUNT);
 	if (!ite)
 		return ERR_PTR(-ENOMEM);
 
@@ -1155,7 +1155,7 @@
 {
 	struct its_device *device;
 
-	device = kzalloc(sizeof(*device), GFP_KERNEL);
+	device = kzalloc(sizeof(*device), GFP_KERNEL_ACCOUNT);
 	if (!device)
 		return ERR_PTR(-ENOMEM);
 
@@ -1852,7 +1852,7 @@
 		struct vgic_translation_cache_entry *cte;
 
 		/* An allocation failure is not fatal */
-		cte = kzalloc(sizeof(*cte), GFP_KERNEL);
+		cte = kzalloc(sizeof(*cte), GFP_KERNEL_ACCOUNT);
 		if (WARN_ON(!cte))
 			break;
 
@@ -1893,7 +1893,7 @@
 	if (type != KVM_DEV_TYPE_ARM_VGIC_ITS)
 		return -ENODEV;
 
-	its = kzalloc(sizeof(struct vgic_its), GFP_KERNEL);
+	its = kzalloc(sizeof(struct vgic_its), GFP_KERNEL_ACCOUNT);
 	if (!its)
 		return -ENOMEM;
 
@@ -2226,10 +2226,10 @@
 		/*
 		 * If an LPI carries the HW bit, this means that this
 		 * interrupt is controlled by GICv4, and we do not
-		 * have direct access to that state. Let's simply fail
-		 * the save operation...
+		 * have direct access to that state without GICv4.1.
+		 * Let's simply fail the save operation...
 		 */
-		if (ite->irq->hw)
+		if (ite->irq->hw && !kvm_vgic_global_state.has_gicv4_1)
 			return -EACCES;
 
 		ret = vgic_its_save_ite(its, device, ite, gpa, ite_esz);
@@ -2718,8 +2718,8 @@
 		if (copy_from_user(&addr, uaddr, sizeof(addr)))
 			return -EFAULT;
 
-		ret = vgic_check_ioaddr(dev->kvm, &its->vgic_its_base,
-					addr, SZ_64K);
+		ret = vgic_check_iorange(dev->kvm, its->vgic_its_base,
+					 addr, SZ_64K, KVM_VGIC_V3_ITS_SIZE);
 		if (ret)
 			return ret;
 
diff --git a/arch/arm64/kvm/vgic/vgic-kvm-device.c b/arch/arm64/kvm/vgic/vgic-kvm-device.c
index 7740995..0d000d2 100644
--- a/arch/arm64/kvm/vgic/vgic-kvm-device.c
+++ b/arch/arm64/kvm/vgic/vgic-kvm-device.c
@@ -14,17 +14,21 @@
 
 /* common helpers */
 
-int vgic_check_ioaddr(struct kvm *kvm, phys_addr_t *ioaddr,
-		      phys_addr_t addr, phys_addr_t alignment)
+int vgic_check_iorange(struct kvm *kvm, phys_addr_t ioaddr,
+		       phys_addr_t addr, phys_addr_t alignment,
+		       phys_addr_t size)
 {
-	if (addr & ~kvm_phys_mask(kvm))
-		return -E2BIG;
+	if (!IS_VGIC_ADDR_UNDEF(ioaddr))
+		return -EEXIST;
 
-	if (!IS_ALIGNED(addr, alignment))
+	if (!IS_ALIGNED(addr, alignment) || !IS_ALIGNED(size, alignment))
 		return -EINVAL;
 
-	if (!IS_VGIC_ADDR_UNDEF(*ioaddr))
-		return -EEXIST;
+	if (addr + size < addr)
+		return -EINVAL;
+
+	if (addr & ~kvm_phys_mask(kvm) || addr + size > kvm_phys_size(kvm))
+		return -E2BIG;
 
 	return 0;
 }
@@ -57,7 +61,7 @@
 {
 	int r = 0;
 	struct vgic_dist *vgic = &kvm->arch.vgic;
-	phys_addr_t *addr_ptr, alignment;
+	phys_addr_t *addr_ptr, alignment, size;
 	u64 undef_value = VGIC_ADDR_UNDEF;
 
 	mutex_lock(&kvm->lock);
@@ -66,16 +70,19 @@
 		r = vgic_check_type(kvm, KVM_DEV_TYPE_ARM_VGIC_V2);
 		addr_ptr = &vgic->vgic_dist_base;
 		alignment = SZ_4K;
+		size = KVM_VGIC_V2_DIST_SIZE;
 		break;
 	case KVM_VGIC_V2_ADDR_TYPE_CPU:
 		r = vgic_check_type(kvm, KVM_DEV_TYPE_ARM_VGIC_V2);
 		addr_ptr = &vgic->vgic_cpu_base;
 		alignment = SZ_4K;
+		size = KVM_VGIC_V2_CPU_SIZE;
 		break;
 	case KVM_VGIC_V3_ADDR_TYPE_DIST:
 		r = vgic_check_type(kvm, KVM_DEV_TYPE_ARM_VGIC_V3);
 		addr_ptr = &vgic->vgic_dist_base;
 		alignment = SZ_64K;
+		size = KVM_VGIC_V3_DIST_SIZE;
 		break;
 	case KVM_VGIC_V3_ADDR_TYPE_REDIST: {
 		struct vgic_redist_region *rdreg;
@@ -140,7 +147,7 @@
 		goto out;
 
 	if (write) {
-		r = vgic_check_ioaddr(kvm, addr_ptr, *addr, alignment);
+		r = vgic_check_iorange(kvm, *addr_ptr, *addr, alignment, size);
 		if (!r)
 			*addr_ptr = *addr;
 	} else {
diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v2.c b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
index b3cc517..508aee9 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
@@ -282,7 +282,7 @@
 	case GIC_CPU_PRIMASK:
 		/*
 		 * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the
-		 * the PMR field as GICH_VMCR.VMPriMask rather than
+		 * PMR field as GICH_VMCR.VMPriMask rather than
 		 * GICC_PMR.Priority, so we expose the upper five bits of
 		 * priority mask to userspace using the lower bits in the
 		 * unsigned long.
@@ -329,7 +329,7 @@
 	case GIC_CPU_PRIMASK:
 		/*
 		 * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the
-		 * the PMR field as GICH_VMCR.VMPriMask rather than
+		 * PMR field as GICH_VMCR.VMPriMask rather than
 		 * GICC_PMR.Priority, so we expose the upper five bits of
 		 * priority mask to userspace using the lower bits in the
 		 * unsigned long.
diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
index 7a6360e..7bc2cf6 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
@@ -251,45 +251,52 @@
 		vgic_enable_lpis(vcpu);
 }
 
+static bool vgic_mmio_vcpu_rdist_is_last(struct kvm_vcpu *vcpu)
+{
+	struct vgic_dist *vgic = &vcpu->kvm->arch.vgic;
+	struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
+	struct vgic_redist_region *iter, *rdreg = vgic_cpu->rdreg;
+
+	if (!rdreg)
+		return false;
+
+	if (vgic_cpu->rdreg_index < rdreg->free_index - 1) {
+		return false;
+	} else if (rdreg->count && vgic_cpu->rdreg_index == (rdreg->count - 1)) {
+		struct list_head *rd_regions = &vgic->rd_regions;
+		gpa_t end = rdreg->base + rdreg->count * KVM_VGIC_V3_REDIST_SIZE;
+
+		/*
+		 * the rdist is the last one of the redist region,
+		 * check whether there is no other contiguous rdist region
+		 */
+		list_for_each_entry(iter, rd_regions, list) {
+			if (iter->base == end && iter->free_index > 0)
+				return false;
+		}
+	}
+	return true;
+}
+
 static unsigned long vgic_mmio_read_v3r_typer(struct kvm_vcpu *vcpu,
 					      gpa_t addr, unsigned int len)
 {
 	unsigned long mpidr = kvm_vcpu_get_mpidr_aff(vcpu);
-	struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
-	struct vgic_redist_region *rdreg = vgic_cpu->rdreg;
 	int target_vcpu_id = vcpu->vcpu_id;
-	gpa_t last_rdist_typer = rdreg->base + GICR_TYPER +
-			(rdreg->free_index - 1) * KVM_VGIC_V3_REDIST_SIZE;
 	u64 value;
 
 	value = (u64)(mpidr & GENMASK(23, 0)) << 32;
 	value |= ((target_vcpu_id & 0xffff) << 8);
 
-	if (addr == last_rdist_typer)
+	if (vgic_has_its(vcpu->kvm))
+		value |= GICR_TYPER_PLPIS;
+
+	if (vgic_mmio_vcpu_rdist_is_last(vcpu))
 		value |= GICR_TYPER_LAST;
-	if (vgic_has_its(vcpu->kvm))
-		value |= GICR_TYPER_PLPIS;
 
 	return extract_bytes(value, addr & 7, len);
 }
 
-static unsigned long vgic_uaccess_read_v3r_typer(struct kvm_vcpu *vcpu,
-						 gpa_t addr, unsigned int len)
-{
-	unsigned long mpidr = kvm_vcpu_get_mpidr_aff(vcpu);
-	int target_vcpu_id = vcpu->vcpu_id;
-	u64 value;
-
-	value = (u64)(mpidr & GENMASK(23, 0)) << 32;
-	value |= ((target_vcpu_id & 0xffff) << 8);
-
-	if (vgic_has_its(vcpu->kvm))
-		value |= GICR_TYPER_PLPIS;
-
-	/* reporting of the Last bit is not supported for userspace */
-	return extract_bytes(value, addr & 7, len);
-}
-
 static unsigned long vgic_mmio_read_v3r_iidr(struct kvm_vcpu *vcpu,
 					     gpa_t addr, unsigned int len)
 {
@@ -619,7 +626,7 @@
 		VGIC_ACCESS_32bit),
 	REGISTER_DESC_WITH_LENGTH_UACCESS(GICR_TYPER,
 		vgic_mmio_read_v3r_typer, vgic_mmio_write_wi,
-		vgic_uaccess_read_v3r_typer, vgic_mmio_uaccess_write_wi, 8,
+		NULL, vgic_mmio_uaccess_write_wi, 8,
 		VGIC_ACCESS_64bit | VGIC_ACCESS_32bit),
 	REGISTER_DESC_WITH_LENGTH(GICR_WAKER,
 		vgic_mmio_read_raz, vgic_mmio_write_wi, 4,
@@ -721,6 +728,7 @@
 		return -EINVAL;
 
 	vgic_cpu->rdreg = rdreg;
+	vgic_cpu->rdreg_index = rdreg->free_index;
 
 	rd_base = rdreg->base + rdreg->free_index * KVM_VGIC_V3_REDIST_SIZE;
 
@@ -762,10 +770,12 @@
 	}
 
 	if (ret) {
-		/* The current c failed, so we start with the previous one. */
+		/* The current c failed, so iterate over the previous ones. */
+		int i;
+
 		mutex_lock(&kvm->slots_lock);
-		for (c--; c >= 0; c--) {
-			vcpu = kvm_get_vcpu(kvm, c);
+		for (i = 0; i < c; i++) {
+			vcpu = kvm_get_vcpu(kvm, i);
 			vgic_unregister_redist_iodev(vcpu);
 		}
 		mutex_unlock(&kvm->slots_lock);
@@ -775,7 +785,7 @@
 }
 
 /**
- * vgic_v3_insert_redist_region - Insert a new redistributor region
+ * vgic_v3_alloc_redist_region - Allocate a new redistributor region
  *
  * Performs various checks before inserting the rdist region in the list.
  * Those tests depend on whether the size of the rdist region is known
@@ -789,19 +799,17 @@
  *
  * Return 0 on success, < 0 otherwise
  */
-static int vgic_v3_insert_redist_region(struct kvm *kvm, uint32_t index,
-					gpa_t base, uint32_t count)
+static int vgic_v3_alloc_redist_region(struct kvm *kvm, uint32_t index,
+				       gpa_t base, uint32_t count)
 {
 	struct vgic_dist *d = &kvm->arch.vgic;
 	struct vgic_redist_region *rdreg;
 	struct list_head *rd_regions = &d->rd_regions;
-	size_t size = count * KVM_VGIC_V3_REDIST_SIZE;
+	int nr_vcpus = atomic_read(&kvm->online_vcpus);
+	size_t size = count ? count * KVM_VGIC_V3_REDIST_SIZE
+			    : nr_vcpus * KVM_VGIC_V3_REDIST_SIZE;
 	int ret;
 
-	/* single rdist region already set ?*/
-	if (!count && !list_empty(rd_regions))
-		return -EINVAL;
-
 	/* cross the end of memory ? */
 	if (base + size < base)
 		return -EINVAL;
@@ -812,11 +820,15 @@
 	} else {
 		rdreg = list_last_entry(rd_regions,
 					struct vgic_redist_region, list);
-		if (index != rdreg->index + 1)
+
+		/* Don't mix single region and discrete redist regions */
+		if (!count && rdreg->count)
 			return -EINVAL;
 
-		/* Cannot add an explicitly sized regions after legacy region */
-		if (!rdreg->count)
+		if (!count)
+			return -EEXIST;
+
+		if (index != rdreg->index + 1)
 			return -EINVAL;
 	}
 
@@ -833,13 +845,13 @@
 	if (vgic_v3_rdist_overlap(kvm, base, size))
 		return -EINVAL;
 
-	rdreg = kzalloc(sizeof(*rdreg), GFP_KERNEL);
+	rdreg = kzalloc(sizeof(*rdreg), GFP_KERNEL_ACCOUNT);
 	if (!rdreg)
 		return -ENOMEM;
 
 	rdreg->base = VGIC_ADDR_UNDEF;
 
-	ret = vgic_check_ioaddr(kvm, &rdreg->base, base, SZ_64K);
+	ret = vgic_check_iorange(kvm, rdreg->base, base, SZ_64K, size);
 	if (ret)
 		goto free;
 
@@ -855,11 +867,17 @@
 	return ret;
 }
 
+void vgic_v3_free_redist_region(struct vgic_redist_region *rdreg)
+{
+	list_del(&rdreg->list);
+	kfree(rdreg);
+}
+
 int vgic_v3_set_redist_base(struct kvm *kvm, u32 index, u64 addr, u32 count)
 {
 	int ret;
 
-	ret = vgic_v3_insert_redist_region(kvm, index, addr, count);
+	ret = vgic_v3_alloc_redist_region(kvm, index, addr, count);
 	if (ret)
 		return ret;
 
@@ -868,8 +886,13 @@
 	 * afterwards will register the iodevs when needed.
 	 */
 	ret = vgic_register_all_redist_iodevs(kvm);
-	if (ret)
+	if (ret) {
+		struct vgic_redist_region *rdreg;
+
+		rdreg = vgic_v3_rdist_region_from_index(kvm, index);
+		vgic_v3_free_redist_region(rdreg);
 		return ret;
+	}
 
 	return 0;
 }
diff --git a/arch/arm64/kvm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c
index 5b44177..dc8c524 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio.c
@@ -953,10 +953,9 @@
 	return region;
 }
 
-static int vgic_uaccess_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
+static int vgic_uaccess_read(struct kvm_vcpu *vcpu, struct vgic_io_device *iodev,
 			     gpa_t addr, u32 *val)
 {
-	struct vgic_io_device *iodev = kvm_to_vgic_iodev(dev);
 	const struct vgic_register_region *region;
 	struct kvm_vcpu *r_vcpu;
 
@@ -975,10 +974,9 @@
 	return 0;
 }
 
-static int vgic_uaccess_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
+static int vgic_uaccess_write(struct kvm_vcpu *vcpu, struct vgic_io_device *iodev,
 			      gpa_t addr, const u32 *val)
 {
-	struct vgic_io_device *iodev = kvm_to_vgic_iodev(dev);
 	const struct vgic_register_region *region;
 	struct kvm_vcpu *r_vcpu;
 
@@ -1001,9 +999,9 @@
 		 bool is_write, int offset, u32 *val)
 {
 	if (is_write)
-		return vgic_uaccess_write(vcpu, &dev->dev, offset, val);
+		return vgic_uaccess_write(vcpu, dev, offset, val);
 	else
-		return vgic_uaccess_read(vcpu, &dev->dev, offset, val);
+		return vgic_uaccess_read(vcpu, dev, offset, val);
 }
 
 static int dispatch_mmio_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
@@ -1067,7 +1065,7 @@
 	return 0;
 }
 
-struct kvm_io_device_ops kvm_io_gic_ops = {
+const struct kvm_io_device_ops kvm_io_gic_ops = {
 	.read = dispatch_mmio_read,
 	.write = dispatch_mmio_write,
 };
diff --git a/arch/arm64/kvm/vgic/vgic-mmio.h b/arch/arm64/kvm/vgic/vgic-mmio.h
index dcea440..6082d4b 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio.h
+++ b/arch/arm64/kvm/vgic/vgic-mmio.h
@@ -34,7 +34,7 @@
 	};
 };
 
-extern struct kvm_io_device_ops kvm_io_gic_ops;
+extern const struct kvm_io_device_ops kvm_io_gic_ops;
 
 #define VGIC_ACCESS_8bit	1
 #define VGIC_ACCESS_32bit	2
diff --git a/arch/arm64/kvm/vgic/vgic-v2.c b/arch/arm64/kvm/vgic/vgic-v2.c
index ebf53a4..4e8bb90 100644
--- a/arch/arm64/kvm/vgic/vgic-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-v2.c
@@ -60,6 +60,7 @@
 		u32 val = cpuif->vgic_lr[lr];
 		u32 cpuid, intid = val & GICH_LR_VIRTUALID;
 		struct vgic_irq *irq;
+		bool deactivated;
 
 		/* Extract the source vCPU id from the LR */
 		cpuid = val & GICH_LR_PHYSID_CPUID;
@@ -75,7 +76,8 @@
 
 		raw_spin_lock(&irq->irq_lock);
 
-		/* Always preserve the active bit */
+		/* Always preserve the active bit, note deactivation */
+		deactivated = irq->active && !(val & GICH_LR_ACTIVE_BIT);
 		irq->active = !!(val & GICH_LR_ACTIVE_BIT);
 
 		if (irq->active && vgic_irq_is_sgi(intid))
@@ -96,25 +98,8 @@
 		if (irq->config == VGIC_CONFIG_LEVEL && !(val & GICH_LR_STATE))
 			irq->pending_latch = false;
 
-		/*
-		 * Level-triggered mapped IRQs are special because we only
-		 * observe rising edges as input to the VGIC.
-		 *
-		 * If the guest never acked the interrupt we have to sample
-		 * the physical line and set the line level, because the
-		 * device state could have changed or we simply need to
-		 * process the still pending interrupt later.
-		 *
-		 * If this causes us to lower the level, we have to also clear
-		 * the physical active state, since we will otherwise never be
-		 * told when the interrupt becomes asserted again.
-		 */
-		if (vgic_irq_is_mapped_level(irq) && (val & GICH_LR_PENDING_BIT)) {
-			irq->line_level = vgic_get_phys_line_level(irq);
-
-			if (!irq->line_level)
-				vgic_irq_set_phys_active(irq, false);
-		}
+		/* Handle resampling for mapped interrupts if required */
+		vgic_irq_handle_resampling(irq, deactivated, val & GICH_LR_PENDING_BIT);
 
 		raw_spin_unlock(&irq->irq_lock);
 		vgic_put_irq(vcpu->kvm, irq);
@@ -152,7 +137,7 @@
 	if (irq->group)
 		val |= GICH_LR_GROUP1;
 
-	if (irq->hw) {
+	if (irq->hw && !vgic_irq_needs_resampling(irq)) {
 		val |= GICH_LR_HW;
 		val |= irq->hwintid << GICH_LR_PHYSID_CPUID_SHIFT;
 		/*
@@ -306,20 +291,15 @@
 	struct vgic_dist *dist = &kvm->arch.vgic;
 	int ret = 0;
 
-	if (vgic_ready(kvm))
-		goto out;
-
 	if (IS_VGIC_ADDR_UNDEF(dist->vgic_dist_base) ||
 	    IS_VGIC_ADDR_UNDEF(dist->vgic_cpu_base)) {
-		kvm_err("Need to set vgic cpu and dist addresses first\n");
-		ret = -ENXIO;
-		goto out;
+		kvm_debug("Need to set vgic cpu and dist addresses first\n");
+		return -ENXIO;
 	}
 
 	if (!vgic_v2_check_base(dist->vgic_dist_base, dist->vgic_cpu_base)) {
-		kvm_err("VGIC CPU and dist frames overlap\n");
-		ret = -EINVAL;
-		goto out;
+		kvm_debug("VGIC CPU and dist frames overlap\n");
+		return -EINVAL;
 	}
 
 	/*
@@ -329,13 +309,13 @@
 	ret = vgic_init(kvm);
 	if (ret) {
 		kvm_err("Unable to initialize VGIC dynamic data structures\n");
-		goto out;
+		return ret;
 	}
 
 	ret = vgic_register_dist_iodev(kvm, dist->vgic_dist_base, VGIC_V2);
 	if (ret) {
 		kvm_err("Unable to register VGIC MMIO regions\n");
-		goto out;
+		return ret;
 	}
 
 	if (!static_branch_unlikely(&vgic_v2_cpuif_trap)) {
@@ -344,14 +324,11 @@
 					    KVM_VGIC_V2_CPU_SIZE, true);
 		if (ret) {
 			kvm_err("Unable to remap VGIC CPU to VCPU\n");
-			goto out;
+			return ret;
 		}
 	}
 
-	dist->ready = true;
-
-out:
-	return ret;
+	return 0;
 }
 
 DEFINE_STATIC_KEY_FALSE(vgic_v2_cpuif_trap);
@@ -368,6 +345,11 @@
 	int ret;
 	u32 vtr;
 
+	if (is_protected_kvm_enabled()) {
+		kvm_err("GICv2 not supported in protected mode\n");
+		return -ENXIO;
+	}
+
 	if (!info->vctrl.start) {
 		kvm_err("GICH not present in the firmware table\n");
 		return -ENXIO;
@@ -488,17 +470,10 @@
 		       kvm_vgic_global_state.vctrl_base + GICH_APR);
 }
 
-void vgic_v2_vmcr_sync(struct kvm_vcpu *vcpu)
+void vgic_v2_put(struct kvm_vcpu *vcpu, bool blocking)
 {
 	struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
 
 	cpu_if->vgic_vmcr = readl_relaxed(kvm_vgic_global_state.vctrl_base + GICH_VMCR);
-}
-
-void vgic_v2_put(struct kvm_vcpu *vcpu)
-{
-	struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
-
-	vgic_v2_vmcr_sync(vcpu);
 	cpu_if->vgic_apr = readl_relaxed(kvm_vgic_global_state.vctrl_base + GICH_APR);
 }
diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 9cdf39a94..937bbc1 100644
--- a/arch/arm64/kvm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0-only
 
 #include <linux/irqchip/arm-gic-v3.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/kvm.h>
 #include <linux/kvm_host.h>
 #include <kvm/arm_vgic.h>
@@ -13,6 +15,7 @@
 static bool group0_trap;
 static bool group1_trap;
 static bool common_trap;
+static bool dir_trap;
 static bool gicv4_enable;
 
 void vgic_v3_set_underflow(struct kvm_vcpu *vcpu)
@@ -44,6 +47,7 @@
 		u32 intid, cpuid;
 		struct vgic_irq *irq;
 		bool is_v2_sgi = false;
+		bool deactivated;
 
 		cpuid = val & GICH_LR_PHYSID_CPUID;
 		cpuid >>= GICH_LR_PHYSID_CPUID_SHIFT;
@@ -66,7 +70,8 @@
 
 		raw_spin_lock(&irq->irq_lock);
 
-		/* Always preserve the active bit */
+		/* Always preserve the active bit, note deactivation */
+		deactivated = irq->active && !(val & ICH_LR_ACTIVE_BIT);
 		irq->active = !!(val & ICH_LR_ACTIVE_BIT);
 
 		if (irq->active && is_v2_sgi)
@@ -87,25 +92,8 @@
 		if (irq->config == VGIC_CONFIG_LEVEL && !(val & ICH_LR_STATE))
 			irq->pending_latch = false;
 
-		/*
-		 * Level-triggered mapped IRQs are special because we only
-		 * observe rising edges as input to the VGIC.
-		 *
-		 * If the guest never acked the interrupt we have to sample
-		 * the physical line and set the line level, because the
-		 * device state could have changed or we simply need to
-		 * process the still pending interrupt later.
-		 *
-		 * If this causes us to lower the level, we have to also clear
-		 * the physical active state, since we will otherwise never be
-		 * told when the interrupt becomes asserted again.
-		 */
-		if (vgic_irq_is_mapped_level(irq) && (val & ICH_LR_PENDING_BIT)) {
-			irq->line_level = vgic_get_phys_line_level(irq);
-
-			if (!irq->line_level)
-				vgic_irq_set_phys_active(irq, false);
-		}
+		/* Handle resampling for mapped interrupts if required */
+		vgic_irq_handle_resampling(irq, deactivated, val & ICH_LR_PENDING_BIT);
 
 		raw_spin_unlock(&irq->irq_lock);
 		vgic_put_irq(vcpu->kvm, irq);
@@ -134,7 +122,7 @@
 		}
 	}
 
-	if (irq->hw) {
+	if (irq->hw && !vgic_irq_needs_resampling(irq)) {
 		val |= ICH_LR_HW;
 		val |= ((u64)irq->hwintid) << ICH_LR_PHYS_ID_SHIFT;
 		/*
@@ -309,6 +297,8 @@
 		vgic_v3->vgic_hcr |= ICH_HCR_TALL1;
 	if (common_trap)
 		vgic_v3->vgic_hcr |= ICH_HCR_TC;
+	if (dir_trap)
+		vgic_v3->vgic_hcr |= ICH_HCR_TDIR;
 }
 
 int vgic_v3_lpi_sync_pending_status(struct kvm *kvm, struct vgic_irq *irq)
@@ -356,6 +346,29 @@
 	return 0;
 }
 
+/*
+ * The deactivation of the doorbell interrupt will trigger the
+ * unmapping of the associated vPE.
+ */
+static void unmap_all_vpes(struct kvm *kvm)
+{
+	struct vgic_dist *dist = &kvm->arch.vgic;
+	int i;
+
+	for (i = 0; i < dist->its_vm.nr_vpes; i++)
+		free_irq(dist->its_vm.vpes[i]->irq, kvm_get_vcpu(kvm, i));
+}
+
+static void map_all_vpes(struct kvm *kvm)
+{
+	struct vgic_dist *dist = &kvm->arch.vgic;
+	int i;
+
+	for (i = 0; i < dist->its_vm.nr_vpes; i++)
+		WARN_ON(vgic_v4_request_vpe_irq(kvm_get_vcpu(kvm, i),
+						dist->its_vm.vpes[i]->irq));
+}
+
 /**
  * vgic_v3_save_pending_tables - Save the pending tables into guest RAM
  * kvm lock and all vcpu lock must be held
@@ -365,13 +378,28 @@
 	struct vgic_dist *dist = &kvm->arch.vgic;
 	struct vgic_irq *irq;
 	gpa_t last_ptr = ~(gpa_t)0;
-	int ret;
+	bool vlpi_avail = false;
+	int ret = 0;
 	u8 val;
 
+	if (unlikely(!vgic_initialized(kvm)))
+		return -ENXIO;
+
+	/*
+	 * A preparation for getting any VLPI states.
+	 * The above vgic initialized check also ensures that the allocation
+	 * and enabling of the doorbells have already been done.
+	 */
+	if (kvm_vgic_global_state.has_gicv4_1) {
+		unmap_all_vpes(kvm);
+		vlpi_avail = true;
+	}
+
 	list_for_each_entry(irq, &dist->lpi_list_head, lpi_list) {
 		int byte_offset, bit_nr;
 		struct kvm_vcpu *vcpu;
 		gpa_t pendbase, ptr;
+		bool is_pending;
 		bool stored;
 
 		vcpu = irq->target_vcpu;
@@ -387,24 +415,35 @@
 		if (ptr != last_ptr) {
 			ret = kvm_read_guest_lock(kvm, ptr, &val, 1);
 			if (ret)
-				return ret;
+				goto out;
 			last_ptr = ptr;
 		}
 
 		stored = val & (1U << bit_nr);
-		if (stored == irq->pending_latch)
+
+		is_pending = irq->pending_latch;
+
+		if (irq->hw && vlpi_avail)
+			vgic_v4_get_vlpi_state(irq, &is_pending);
+
+		if (stored == is_pending)
 			continue;
 
-		if (irq->pending_latch)
+		if (is_pending)
 			val |= 1 << bit_nr;
 		else
 			val &= ~(1 << bit_nr);
 
 		ret = kvm_write_guest_lock(kvm, ptr, &val, 1);
 		if (ret)
-			return ret;
+			goto out;
 	}
-	return 0;
+
+out:
+	if (vlpi_avail)
+		map_all_vpes(kvm);
+
+	return ret;
 }
 
 /**
@@ -444,8 +483,10 @@
 		return false;
 
 	list_for_each_entry(rdreg, &d->rd_regions, list) {
-		if (rdreg->base + vgic_v3_rd_region_size(kvm, rdreg) <
-			rdreg->base)
+		size_t sz = vgic_v3_rd_region_size(kvm, rdreg);
+
+		if (vgic_check_iorange(kvm, VGIC_ADDR_UNDEF,
+				       rdreg->base, SZ_64K, sz))
 			return false;
 	}
 
@@ -500,29 +541,23 @@
 	int ret = 0;
 	int c;
 
-	if (vgic_ready(kvm))
-		goto out;
-
 	kvm_for_each_vcpu(c, vcpu, kvm) {
 		struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
 
 		if (IS_VGIC_ADDR_UNDEF(vgic_cpu->rd_iodev.base_addr)) {
 			kvm_debug("vcpu %d redistributor base not set\n", c);
-			ret = -ENXIO;
-			goto out;
+			return -ENXIO;
 		}
 	}
 
 	if (IS_VGIC_ADDR_UNDEF(dist->vgic_dist_base)) {
-		kvm_err("Need to set vgic distributor addresses first\n");
-		ret = -ENXIO;
-		goto out;
+		kvm_debug("Need to set vgic distributor addresses first\n");
+		return -ENXIO;
 	}
 
 	if (!vgic_v3_check_base(kvm)) {
-		kvm_err("VGIC redist and dist frames overlap\n");
-		ret = -EINVAL;
-		goto out;
+		kvm_debug("VGIC redist and dist frames overlap\n");
+		return -EINVAL;
 	}
 
 	/*
@@ -530,22 +565,19 @@
 	 * the VGIC before we need to use it.
 	 */
 	if (!vgic_initialized(kvm)) {
-		ret = -EBUSY;
-		goto out;
+		return -EBUSY;
 	}
 
 	ret = vgic_register_dist_iodev(kvm, dist->vgic_dist_base, VGIC_V3);
 	if (ret) {
 		kvm_err("Unable to register VGICv3 dist MMIO regions\n");
-		goto out;
+		return ret;
 	}
 
 	if (kvm_vgic_global_state.has_gicv4_1)
 		vgic_v4_configure_vsgis(kvm);
-	dist->ready = true;
 
-out:
-	return ret;
+	return 0;
 }
 
 DEFINE_STATIC_KEY_FALSE(vgic_v3_cpuif_trap);
@@ -574,6 +606,18 @@
 }
 early_param("kvm-arm.vgic_v4_enable", early_gicv4_enable);
 
+static const struct midr_range broken_seis[] = {
+	MIDR_ALL_VERSIONS(MIDR_APPLE_M1_ICESTORM),
+	MIDR_ALL_VERSIONS(MIDR_APPLE_M1_FIRESTORM),
+	{},
+};
+
+static bool vgic_v3_broken_seis(void)
+{
+	return ((kvm_vgic_global_state.ich_vtr_el2 & ICH_VTR_SEIS_MASK) &&
+		is_midr_in_range_list(read_cpuid_id(), broken_seis));
+}
+
 /**
  * vgic_v3_probe - probe for a VGICv3 compatible interrupt controller
  * @info:	pointer to the GIC description
@@ -583,9 +627,13 @@
  */
 int vgic_v3_probe(const struct gic_kvm_info *info)
 {
-	u32 ich_vtr_el2 = kvm_call_hyp_ret(__vgic_v3_get_ich_vtr_el2);
+	u64 ich_vtr_el2 = kvm_call_hyp_ret(__vgic_v3_get_gic_config);
+	bool has_v2;
 	int ret;
 
+	has_v2 = ich_vtr_el2 >> 63;
+	ich_vtr_el2 = (u32)ich_vtr_el2;
+
 	/*
 	 * The ListRegs field is 5 bits, but there is an architectural
 	 * maximum of 16 list registers. Just ignore bit 4...
@@ -603,14 +651,16 @@
 			 gicv4_enable ? "en" : "dis");
 	}
 
+	kvm_vgic_global_state.vcpu_base = 0;
+
 	if (!info->vcpu.start) {
 		kvm_info("GICv3: no GICV resource entry\n");
-		kvm_vgic_global_state.vcpu_base = 0;
+	} else if (!has_v2) {
+		pr_warn(FW_BUG "CPU interface incapable of MMIO access\n");
 	} else if (!PAGE_ALIGNED(info->vcpu.start)) {
 		pr_warn("GICV physical address 0x%llx not page aligned\n",
 			(unsigned long long)info->vcpu.start);
-		kvm_vgic_global_state.vcpu_base = 0;
-	} else {
+	} else if (kvm_get_mode() != KVM_MODE_PROTECTED) {
 		kvm_vgic_global_state.vcpu_base = info->vcpu.start;
 		kvm_vgic_global_state.can_emulate_gicv2 = true;
 		ret = kvm_register_vgic_device(KVM_DEV_TYPE_ARM_VGIC_V2);
@@ -635,11 +685,24 @@
 		group1_trap = true;
 	}
 
-	if (group0_trap || group1_trap || common_trap) {
-		kvm_info("GICv3 sysreg trapping enabled ([%s%s%s], reduced performance)\n",
+	if (vgic_v3_broken_seis()) {
+		kvm_info("GICv3 with broken locally generated SEI\n");
+
+		kvm_vgic_global_state.ich_vtr_el2 &= ~ICH_VTR_SEIS_MASK;
+		group0_trap = true;
+		group1_trap = true;
+		if (ich_vtr_el2 & ICH_VTR_TDS_MASK)
+			dir_trap = true;
+		else
+			common_trap = true;
+	}
+
+	if (group0_trap || group1_trap || common_trap | dir_trap) {
+		kvm_info("GICv3 sysreg trapping enabled ([%s%s%s%s], reduced performance)\n",
 			 group0_trap ? "G0" : "",
 			 group1_trap ? "G1" : "",
-			 common_trap ? "C"  : "");
+			 common_trap ? "C"  : "",
+			 dir_trap    ? "D"  : "");
 		static_branch_enable(&vgic_v3_cpuif_trap);
 	}
 
@@ -654,15 +717,8 @@
 {
 	struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
 
-	/*
-	 * If dealing with a GICv2 emulation on GICv3, VMCR_EL2.VFIQen
-	 * is dependent on ICC_SRE_EL1.SRE, and we have to perform the
-	 * VMCR_EL2 save/restore in the world switch.
-	 */
-	if (likely(cpu_if->vgic_sre))
-		kvm_call_hyp(__vgic_v3_write_vmcr, cpu_if->vgic_vmcr);
-
-	kvm_call_hyp(__vgic_v3_restore_aprs, cpu_if);
+	if (likely(!is_protected_kvm_enabled()))
+		kvm_call_hyp(__vgic_v3_restore_vmcr_aprs, cpu_if);
 
 	if (has_vhe())
 		__vgic_v3_activate_traps(cpu_if);
@@ -670,23 +726,14 @@
 	WARN_ON(vgic_v4_load(vcpu));
 }
 
-void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu)
+void vgic_v3_put(struct kvm_vcpu *vcpu, bool blocking)
 {
 	struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
 
-	if (likely(cpu_if->vgic_sre))
-		cpu_if->vgic_vmcr = kvm_call_hyp_ret(__vgic_v3_read_vmcr);
-}
+	WARN_ON(vgic_v4_put(vcpu, blocking));
 
-void vgic_v3_put(struct kvm_vcpu *vcpu)
-{
-	struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
-
-	WARN_ON(vgic_v4_put(vcpu, false));
-
-	vgic_v3_vmcr_sync(vcpu);
-
-	kvm_call_hyp(__vgic_v3_save_aprs, cpu_if);
+	if (likely(!is_protected_kvm_enabled()))
+		kvm_call_hyp(__vgic_v3_save_vmcr_aprs, cpu_if);
 
 	if (has_vhe())
 		__vgic_v3_deactivate_traps(cpu_if);
diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c
index b5fa73c..f9cbd2c 100644
--- a/arch/arm64/kvm/vgic/vgic-v4.c
+++ b/arch/arm64/kvm/vgic/vgic-v4.c
@@ -203,6 +203,30 @@
 	kvm_arm_resume_guest(kvm);
 }
 
+/*
+ * Must be called with GICv4.1 and the vPE unmapped, which
+ * indicates the invalidation of any VPT caches associated
+ * with the vPE, thus we can get the VLPI state by peeking
+ * at the VPT.
+ */
+void vgic_v4_get_vlpi_state(struct vgic_irq *irq, bool *val)
+{
+	struct its_vpe *vpe = &irq->target_vcpu->arch.vgic_cpu.vgic_v3.its_vpe;
+	int mask = BIT(irq->intid % BITS_PER_BYTE);
+	void *va;
+	u8 *ptr;
+
+	va = page_address(vpe->vpt_page);
+	ptr = va + irq->intid / BITS_PER_BYTE;
+
+	*val = !!(*ptr & mask);
+}
+
+int vgic_v4_request_vpe_irq(struct kvm_vcpu *vcpu, int irq)
+{
+	return request_irq(irq, vgic_v4_doorbell_handler, 0, "vcpu", vcpu);
+}
+
 /**
  * vgic_v4_init - Initialize the GICv4 data structures
  * @kvm:	Pointer to the VM being initialized
@@ -227,7 +251,7 @@
 	nr_vcpus = atomic_read(&kvm->online_vcpus);
 
 	dist->its_vm.vpes = kcalloc(nr_vcpus, sizeof(*dist->its_vm.vpes),
-				    GFP_KERNEL);
+				    GFP_KERNEL_ACCOUNT);
 	if (!dist->its_vm.vpes)
 		return -ENOMEM;
 
@@ -263,8 +287,7 @@
 			irq_flags &= ~IRQ_NOAUTOEN;
 		irq_set_status_flags(irq, irq_flags);
 
-		ret = request_irq(irq, vgic_v4_doorbell_handler,
-				  0, "vcpu", vcpu);
+		ret = vgic_v4_request_vpe_irq(vcpu, irq);
 		if (ret) {
 			kvm_err("failed to allocate vcpu IRQ%d\n", irq);
 			/*
@@ -353,6 +376,18 @@
 	return err;
 }
 
+void vgic_v4_commit(struct kvm_vcpu *vcpu)
+{
+	struct its_vpe *vpe = &vcpu->arch.vgic_cpu.vgic_v3.its_vpe;
+
+	/*
+	 * No need to wait for the vPE to be ready across a shallow guest
+	 * exit, as only a vcpu_put will invalidate it.
+	 */
+	if (!vpe->ready)
+		its_commit_vpe(vpe);
+}
+
 static struct vgic_its *vgic_get_its(struct kvm *kvm,
 				     struct kvm_kernel_irq_routing_entry *irq_entry)
 {
@@ -373,6 +408,7 @@
 	struct vgic_its *its;
 	struct vgic_irq *irq;
 	struct its_vlpi_map map;
+	unsigned long flags;
 	int ret;
 
 	if (!vgic_supports_direct_msis(kvm))
@@ -418,6 +454,24 @@
 	irq->host_irq	= virq;
 	atomic_inc(&map.vpe->vlpi_count);
 
+	/* Transfer pending state */
+	raw_spin_lock_irqsave(&irq->irq_lock, flags);
+	if (irq->pending_latch) {
+		ret = irq_set_irqchip_state(irq->host_irq,
+					    IRQCHIP_STATE_PENDING,
+					    irq->pending_latch);
+		WARN_RATELIMIT(ret, "IRQ %d", irq->host_irq);
+
+		/*
+		 * Clear pending_latch and communicate this state
+		 * change via vgic_queue_irq_unlock.
+		 */
+		irq->pending_latch = false;
+		vgic_queue_irq_unlock(kvm, irq, flags);
+	} else {
+		raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
+	}
+
 out:
 	mutex_unlock(&its->its_lock);
 	return ret;
diff --git a/arch/arm64/kvm/vgic/vgic.c b/arch/arm64/kvm/vgic/vgic.c
index 4abf7a8..0bf570e 100644
--- a/arch/arm64/kvm/vgic/vgic.c
+++ b/arch/arm64/kvm/vgic/vgic.c
@@ -106,7 +106,6 @@
 	if (intid >= VGIC_MIN_LPI)
 		return vgic_get_lpi(kvm, intid);
 
-	WARN(1, "Looking up struct vgic_irq for reserved INTID");
 	return NULL;
 }
 
@@ -182,8 +181,8 @@
 
 	BUG_ON(!irq->hw);
 
-	if (irq->get_input_level)
-		return irq->get_input_level(irq->intid);
+	if (irq->ops && irq->ops->get_input_level)
+		return irq->ops->get_input_level(irq->intid);
 
 	WARN_ON(irq_get_irqchip_state(irq->host_irq,
 				      IRQCHIP_STATE_PENDING,
@@ -480,7 +479,7 @@
 /* @irq->irq_lock must be held */
 static int kvm_vgic_map_irq(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
 			    unsigned int host_irq,
-			    bool (*get_input_level)(int vindid))
+			    struct irq_ops *ops)
 {
 	struct irq_desc *desc;
 	struct irq_data *data;
@@ -500,7 +499,7 @@
 	irq->hw = true;
 	irq->host_irq = host_irq;
 	irq->hwintid = data->hwirq;
-	irq->get_input_level = get_input_level;
+	irq->ops = ops;
 	return 0;
 }
 
@@ -509,11 +508,11 @@
 {
 	irq->hw = false;
 	irq->hwintid = 0;
-	irq->get_input_level = NULL;
+	irq->ops = NULL;
 }
 
 int kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, unsigned int host_irq,
-			  u32 vintid, bool (*get_input_level)(int vindid))
+			  u32 vintid, struct irq_ops *ops)
 {
 	struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, vintid);
 	unsigned long flags;
@@ -522,7 +521,7 @@
 	BUG_ON(!irq);
 
 	raw_spin_lock_irqsave(&irq->irq_lock, flags);
-	ret = kvm_vgic_map_irq(vcpu, irq, host_irq, get_input_level);
+	ret = kvm_vgic_map_irq(vcpu, irq, host_irq, ops);
 	raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
 	vgic_put_irq(vcpu->kvm, irq);
 
@@ -916,6 +915,9 @@
 
 	if (can_access_vgic_from_kernel())
 		vgic_restore_state(vcpu);
+
+	if (vgic_supports_direct_msis(vcpu->kvm))
+		vgic_v4_commit(vcpu);
 }
 
 void kvm_vgic_load(struct kvm_vcpu *vcpu)
@@ -929,26 +931,15 @@
 		vgic_v3_load(vcpu);
 }
 
-void kvm_vgic_put(struct kvm_vcpu *vcpu)
+void kvm_vgic_put(struct kvm_vcpu *vcpu, bool blocking)
 {
 	if (unlikely(!vgic_initialized(vcpu->kvm)))
 		return;
 
 	if (kvm_vgic_global_state.type == VGIC_V2)
-		vgic_v2_put(vcpu);
+		vgic_v2_put(vcpu, blocking);
 	else
-		vgic_v3_put(vcpu);
-}
-
-void kvm_vgic_vmcr_sync(struct kvm_vcpu *vcpu)
-{
-	if (unlikely(!irqchip_in_kernel(vcpu->kvm)))
-		return;
-
-	if (kvm_vgic_global_state.type == VGIC_V2)
-		vgic_v2_vmcr_sync(vcpu);
-	else
-		vgic_v3_vmcr_sync(vcpu);
+		vgic_v3_put(vcpu, blocking);
 }
 
 int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu)
@@ -1019,3 +1010,41 @@
 
 	return map_is_active;
 }
+
+/*
+ * Level-triggered mapped IRQs are special because we only observe rising
+ * edges as input to the VGIC.
+ *
+ * If the guest never acked the interrupt we have to sample the physical
+ * line and set the line level, because the device state could have changed
+ * or we simply need to process the still pending interrupt later.
+ *
+ * We could also have entered the guest with the interrupt active+pending.
+ * On the next exit, we need to re-evaluate the pending state, as it could
+ * otherwise result in a spurious interrupt by injecting a now potentially
+ * stale pending state.
+ *
+ * If this causes us to lower the level, we have to also clear the physical
+ * active state, since we will otherwise never be told when the interrupt
+ * becomes asserted again.
+ *
+ * Another case is when the interrupt requires a helping hand on
+ * deactivation (no HW deactivation, for example).
+ */
+void vgic_irq_handle_resampling(struct vgic_irq *irq,
+				bool lr_deactivated, bool lr_pending)
+{
+	if (vgic_irq_is_mapped_level(irq)) {
+		bool resample = false;
+
+		if (unlikely(vgic_irq_needs_resampling(irq))) {
+			resample = !(irq->active || irq->pending_latch);
+		} else if (lr_pending || (lr_deactivated && irq->line_level)) {
+			irq->line_level = vgic_get_phys_line_level(irq);
+			resample = !irq->line_level;
+		}
+
+		if (resample)
+			vgic_irq_set_phys_active(irq, false);
+	}
+}
diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h
index 64fcd75..a43619f 100644
--- a/arch/arm64/kvm/vgic/vgic.h
+++ b/arch/arm64/kvm/vgic/vgic.h
@@ -169,9 +169,12 @@
 bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq,
 			   unsigned long flags);
 void vgic_kick_vcpus(struct kvm *kvm);
+void vgic_irq_handle_resampling(struct vgic_irq *irq,
+				bool lr_deactivated, bool lr_pending);
 
-int vgic_check_ioaddr(struct kvm *kvm, phys_addr_t *ioaddr,
-		      phys_addr_t addr, phys_addr_t alignment);
+int vgic_check_iorange(struct kvm *kvm, phys_addr_t ioaddr,
+		       phys_addr_t addr, phys_addr_t alignment,
+		       phys_addr_t size);
 
 void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu);
 void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
@@ -193,8 +196,7 @@
 
 void vgic_v2_init_lrs(void);
 void vgic_v2_load(struct kvm_vcpu *vcpu);
-void vgic_v2_put(struct kvm_vcpu *vcpu);
-void vgic_v2_vmcr_sync(struct kvm_vcpu *vcpu);
+void vgic_v2_put(struct kvm_vcpu *vcpu, bool blocking);
 
 void vgic_v2_save_state(struct kvm_vcpu *vcpu);
 void vgic_v2_restore_state(struct kvm_vcpu *vcpu);
@@ -224,8 +226,7 @@
 bool vgic_v3_check_base(struct kvm *kvm);
 
 void vgic_v3_load(struct kvm_vcpu *vcpu);
-void vgic_v3_put(struct kvm_vcpu *vcpu);
-void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu);
+void vgic_v3_put(struct kvm_vcpu *vcpu, bool blocking);
 
 bool vgic_has_its(struct kvm *kvm);
 int kvm_vgic_register_its_device(void);
@@ -293,6 +294,7 @@
 
 struct vgic_redist_region *vgic_v3_rdist_region_from_index(struct kvm *kvm,
 							   u32 index);
+void vgic_v3_free_redist_region(struct vgic_redist_region *rdreg);
 
 bool vgic_v3_rdist_overlap(struct kvm *kvm, gpa_t base, size_t size);
 
@@ -317,5 +319,7 @@
 int vgic_v4_init(struct kvm *kvm);
 void vgic_v4_teardown(struct kvm *kvm);
 void vgic_v4_configure_vsgis(struct kvm *kvm);
+void vgic_v4_get_vlpi_state(struct vgic_irq *irq, bool *val);
+int vgic_v4_request_vpe_irq(struct kvm_vcpu *vcpu, int irq);
 
 #endif
diff --git a/arch/arm64/lib/Makefile b/arch/arm64/lib/Makefile
index d31e116..8e60d76 100644
--- a/arch/arm64/lib/Makefile
+++ b/arch/arm64/lib/Makefile
@@ -18,3 +18,5 @@
 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
 
 obj-$(CONFIG_ARM64_MTE) += mte.o
+
+obj-$(CONFIG_KASAN_SW_TAGS) += kasan_sw_tags.o
diff --git a/arch/arm64/lib/kasan_sw_tags.S b/arch/arm64/lib/kasan_sw_tags.S
new file mode 100644
index 0000000..5b04464
--- /dev/null
+++ b/arch/arm64/lib/kasan_sw_tags.S
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Google LLC
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+/*
+ * Report a tag mismatch detected by tag-based KASAN.
+ *
+ * A compiler-generated thunk calls this with a non-AAPCS calling
+ * convention. Upon entry to this function, registers are as follows:
+ *
+ * x0:         fault address (see below for restore)
+ * x1:         fault description (see below for restore)
+ * x2 to x15:  callee-saved
+ * x16 to x17: safe to clobber
+ * x18 to x30: callee-saved
+ * sp:         pre-decremented by 256 bytes (see below for restore)
+ *
+ * The caller has decremented the SP by 256 bytes, and created a
+ * structure on the stack as follows:
+ *
+ * sp + 0..15:    x0 and x1 to be restored
+ * sp + 16..231:  free for use
+ * sp + 232..247: x29 and x30 (same as in GPRs)
+ * sp + 248..255: free for use
+ *
+ * Note that this is not a struct pt_regs.
+ *
+ * To call a regular AAPCS function we must save x2 to x15 (which we can
+ * store in the gaps), and create a frame record (for which we can use
+ * x29 and x30 spilled by the caller as those match the GPRs).
+ *
+ * The caller expects x0 and x1 to be restored from the structure, and
+ * for the structure to be removed from the stack (i.e. the SP must be
+ * incremented by 256 prior to return).
+ */
+SYM_CODE_START(__hwasan_tag_mismatch)
+#ifdef BTI_C
+	BTI_C
+#endif
+	add	x29, sp, #232
+	stp	x2, x3, [sp, #8 * 2]
+	stp	x4, x5, [sp, #8 * 4]
+	stp	x6, x7, [sp, #8 * 6]
+	stp	x8, x9, [sp, #8 * 8]
+	stp	x10, x11, [sp, #8 * 10]
+	stp	x12, x13, [sp, #8 * 12]
+	stp	x14, x15, [sp, #8 * 14]
+#ifndef CONFIG_SHADOW_CALL_STACK
+	str	x18, [sp, #8 * 18]
+#endif
+
+	mov	x2, x30
+	bl	kasan_tag_mismatch
+
+	ldp	x0, x1, [sp]
+	ldp	x2, x3, [sp, #8 * 2]
+	ldp	x4, x5, [sp, #8 * 4]
+	ldp	x6, x7, [sp, #8 * 6]
+	ldp	x8, x9, [sp, #8 * 8]
+	ldp	x10, x11, [sp, #8 * 10]
+	ldp	x12, x13, [sp, #8 * 12]
+	ldp	x14, x15, [sp, #8 * 14]
+#ifndef CONFIG_SHADOW_CALL_STACK
+	ldr	x18, [sp, #8 * 18]
+#endif
+	ldp	x29, x30, [sp, #8 * 29]
+
+	/* remove the structure from the stack */
+	add	sp, sp, #256
+	ret
+SYM_CODE_END(__hwasan_tag_mismatch)
+EXPORT_SYMBOL(__hwasan_tag_mismatch)
diff --git a/arch/arm64/lib/mte.S b/arch/arm64/lib/mte.S
index 03ca6d8..a754e15 100644
--- a/arch/arm64/lib/mte.S
+++ b/arch/arm64/lib/mte.S
@@ -4,7 +4,7 @@
  */
 #include <linux/linkage.h>
 
-#include <asm/alternative.h>
+#include <asm/asm-uaccess.h>
 #include <asm/assembler.h>
 #include <asm/mte.h>
 #include <asm/page.h>
@@ -37,6 +37,32 @@
 SYM_FUNC_END(mte_clear_page_tags)
 
 /*
+ * Zero the page and tags at the same time
+ *
+ * Parameters:
+ *	x0 - address to the beginning of the page
+ */
+SYM_FUNC_START(mte_zero_clear_page_tags)
+	and	x0, x0, #(1 << MTE_TAG_SHIFT) - 1	// clear the tag
+	mrs	x1, dczid_el0
+	tbnz	x1, #4, 2f	// Branch if DC GZVA is prohibited
+	and	w1, w1, #0xf
+	mov	x2, #4
+	lsl	x1, x2, x1
+
+1:	dc	gzva, x0
+	add	x0, x0, x1
+	tst	x0, #(PAGE_SIZE - 1)
+	b.ne	1b
+	ret
+
+2:	stz2g	x0, [x0], #(MTE_GRANULE_SIZE * 2)
+	tst	x0, #(PAGE_SIZE - 1)
+	b.ne	2b
+	ret
+SYM_FUNC_END(mte_zero_clear_page_tags)
+
+/*
  * Copy the tags from the source page to the destination one
  *   x0 - address of the destination page
  *   x1 - address of the source page
diff --git a/arch/arm64/lib/uaccess_flushcache.c b/arch/arm64/lib/uaccess_flushcache.c
index bfa30b7..2cffff7 100644
--- a/arch/arm64/lib/uaccess_flushcache.c
+++ b/arch/arm64/lib/uaccess_flushcache.c
@@ -15,7 +15,7 @@
 	 * barrier to order the cache maintenance against the memcpy.
 	 */
 	memcpy(dst, src, cnt);
-	__clean_dcache_area_pop(dst, cnt);
+	dcache_clean_pop((unsigned long)dst, (unsigned long)dst + cnt);
 }
 EXPORT_SYMBOL_GPL(memcpy_flushcache);
 
@@ -35,6 +35,6 @@
 	uaccess_disable_not_uao();
 
 	/* See above */
-	__clean_dcache_area_pop(to, n - rc);
+	dcache_clean_pop((unsigned long)to, (unsigned long)to + n - rc);
 	return rc;
 }
diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile
index 5ead3c3..ca650b2d 100644
--- a/arch/arm64/mm/Makefile
+++ b/arch/arm64/mm/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-y				:= dma-mapping.o extable.o fault.o init.o \
 				   cache.o copypage.o flush.o \
-				   ioremap.o mmap.o pgd.o mmu.o \
+				   ioremap.o mem_encrypt.o mmap.o pgd.o mmu.o \
 				   context.o proc.o pageattr.o
 obj-$(CONFIG_HUGETLB_PAGE)	+= hugetlbpage.o
 obj-$(CONFIG_PTDUMP_CORE)	+= ptdump.o
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S
index 7b8158a..4f76fae 100644
--- a/arch/arm64/mm/cache.S
+++ b/arch/arm64/mm/cache.S
@@ -15,7 +15,7 @@
 #include <asm/asm-uaccess.h>
 
 /*
- *	flush_icache_range(start,end)
+ *	caches_clean_inval_pou_macro(start,end) [fixup]
  *
  *	Ensure that the I and D caches are coherent within specified region.
  *	This is typically used when code has been written to a memory region,
@@ -23,70 +23,54 @@
  *
  *	- start   - virtual start address of region
  *	- end     - virtual end address of region
+ *	- fixup   - optional label to branch to on user fault
  */
-SYM_FUNC_START(__flush_icache_range)
-	/* FALLTHROUGH */
-
-/*
- *	__flush_cache_user_range(start,end)
- *
- *	Ensure that the I and D caches are coherent within specified region.
- *	This is typically used when code has been written to a memory region,
- *	and will be executed.
- *
- *	- start   - virtual start address of region
- *	- end     - virtual end address of region
- */
-SYM_FUNC_START(__flush_cache_user_range)
-	uaccess_ttbr0_enable x2, x3, x4
+.macro	caches_clean_inval_pou_macro, fixup
 alternative_if ARM64_HAS_CACHE_IDC
-	dsb	ishst
-	b	7f
+	dsb     ishst
+	b       .Ldc_skip_\@
 alternative_else_nop_endif
-	dcache_line_size x2, x3
-	sub	x3, x2, #1
-	bic	x4, x0, x3
-1:
-user_alt 9f, "dc cvau, x4",  "dc civac, x4",  ARM64_WORKAROUND_CLEAN_CACHE
-	add	x4, x4, x2
-	cmp	x4, x1
-	b.lo	1b
-	dsb	ish
-
-7:
+	mov     x2, x0
+	mov     x3, x1
+	dcache_by_line_op cvau, ish, x2, x3, x4, x5, \fixup
+.Ldc_skip_\@:
 alternative_if ARM64_HAS_CACHE_DIC
 	isb
-	b	8f
+	b	.Lic_skip_\@
 alternative_else_nop_endif
-	invalidate_icache_by_line x0, x1, x2, x3, 9f
-8:	mov	x0, #0
-1:
-	uaccess_ttbr0_disable x1, x2
-	ret
-9:
-	mov	x0, #-EFAULT
-	b	1b
-SYM_FUNC_END(__flush_icache_range)
-SYM_FUNC_END(__flush_cache_user_range)
+	invalidate_icache_by_line x0, x1, x2, x3, \fixup
+.Lic_skip_\@:
+.endm
 
 /*
- *	invalidate_icache_range(start,end)
+ *	caches_clean_inval_pou(start,end)
  *
- *	Ensure that the I cache is invalid within specified region.
+ *	Ensure that the I and D caches are coherent within specified region.
+ *	This is typically used when code has been written to a memory region,
+ *	and will be executed.
  *
  *	- start   - virtual start address of region
  *	- end     - virtual end address of region
  */
-SYM_FUNC_START(invalidate_icache_range)
-alternative_if ARM64_HAS_CACHE_DIC
-	mov	x0, xzr
-	isb
+SYM_FUNC_START(caches_clean_inval_pou)
+	caches_clean_inval_pou_macro
 	ret
-alternative_else_nop_endif
+SYM_FUNC_END(caches_clean_inval_pou)
 
+/*
+ *	caches_clean_inval_user_pou(start,end)
+ *
+ *	Ensure that the I and D caches are coherent within specified region.
+ *	This is typically used when code has been written to a memory region,
+ *	and will be executed.
+ *
+ *	- start   - virtual start address of region
+ *	- end     - virtual end address of region
+ */
+SYM_FUNC_START(caches_clean_inval_user_pou)
 	uaccess_ttbr0_enable x2, x3, x4
 
-	invalidate_icache_by_line x0, x1, x2, x3, 2f
+	caches_clean_inval_pou_macro 2f
 	mov	x0, xzr
 1:
 	uaccess_ttbr0_disable x1, x2
@@ -94,60 +78,77 @@
 2:
 	mov	x0, #-EFAULT
 	b	1b
-SYM_FUNC_END(invalidate_icache_range)
+SYM_FUNC_END(caches_clean_inval_user_pou)
 
 /*
- *	__flush_dcache_area(kaddr, size)
+ *	icache_inval_pou(start,end)
  *
- *	Ensure that any D-cache lines for the interval [kaddr, kaddr+size)
+ *	Ensure that the I cache is invalid within specified region.
+ *
+ *	- start   - virtual start address of region
+ *	- end     - virtual end address of region
+ */
+SYM_FUNC_START_PI(icache_inval_pou)
+alternative_if ARM64_HAS_CACHE_DIC
+	isb
+	ret
+alternative_else_nop_endif
+
+	invalidate_icache_by_line x0, x1, x2, x3
+	ret
+SYM_FUNC_END_PI(icache_inval_pou)
+
+/*
+ *	dcache_clean_inval_poc(start, end)
+ *
+ *	Ensure that any D-cache lines for the interval [start, end)
  *	are cleaned and invalidated to the PoC.
  *
- *	- kaddr   - kernel address
- *	- size    - size in question
+ *	- start   - virtual start address of region
+ *	- end     - virtual end address of region
  */
-SYM_FUNC_START_PI(__flush_dcache_area)
+SYM_FUNC_START_PI(dcache_clean_inval_poc)
 	dcache_by_line_op civac, sy, x0, x1, x2, x3
 	ret
-SYM_FUNC_END_PI(__flush_dcache_area)
+SYM_FUNC_END_PI(dcache_clean_inval_poc)
 
 /*
- *	__clean_dcache_area_pou(kaddr, size)
+ *	dcache_clean_pou(start, end)
  *
- * 	Ensure that any D-cache lines for the interval [kaddr, kaddr+size)
+ * 	Ensure that any D-cache lines for the interval [start, end)
  * 	are cleaned to the PoU.
  *
- *	- kaddr   - kernel address
- *	- size    - size in question
+ *	- start   - virtual start address of region
+ *	- end     - virtual end address of region
  */
-SYM_FUNC_START(__clean_dcache_area_pou)
+SYM_FUNC_START(dcache_clean_pou)
 alternative_if ARM64_HAS_CACHE_IDC
 	dsb	ishst
 	ret
 alternative_else_nop_endif
 	dcache_by_line_op cvau, ish, x0, x1, x2, x3
 	ret
-SYM_FUNC_END(__clean_dcache_area_pou)
+SYM_FUNC_END(dcache_clean_pou)
 
 /*
- *	__inval_dcache_area(kaddr, size)
+ *	dcache_inval_poc(start, end)
  *
- * 	Ensure that any D-cache lines for the interval [kaddr, kaddr+size)
+ * 	Ensure that any D-cache lines for the interval [start, end)
  * 	are invalidated. Any partial lines at the ends of the interval are
  *	also cleaned to PoC to prevent data loss.
  *
- *	- kaddr   - kernel address
- *	- size    - size in question
+ *	- start   - kernel start address of region
+ *	- end     - kernel end address of region
  */
 SYM_FUNC_START_LOCAL(__dma_inv_area)
-SYM_FUNC_START_PI(__inval_dcache_area)
+SYM_FUNC_START_PI(dcache_inval_poc)
 	/* FALLTHROUGH */
 
 /*
- *	__dma_inv_area(start, size)
+ *	__dma_inv_area(start, end)
  *	- start   - virtual start address of region
- *	- size    - size in question
+ *	- end     - virtual end address of region
  */
-	add	x1, x1, x0
 	dcache_line_size x2, x3
 	sub	x3, x2, #1
 	tst	x1, x3				// end cache line aligned?
@@ -165,48 +166,48 @@
 	b.lo	2b
 	dsb	sy
 	ret
-SYM_FUNC_END_PI(__inval_dcache_area)
+SYM_FUNC_END_PI(dcache_inval_poc)
 SYM_FUNC_END(__dma_inv_area)
 
 /*
- *	__clean_dcache_area_poc(kaddr, size)
+ *	dcache_clean_poc(start, end)
  *
- * 	Ensure that any D-cache lines for the interval [kaddr, kaddr+size)
+ * 	Ensure that any D-cache lines for the interval [start, end)
  * 	are cleaned to the PoC.
  *
- *	- kaddr   - kernel address
- *	- size    - size in question
+ *	- start   - virtual start address of region
+ *	- end     - virtual end address of region
  */
 SYM_FUNC_START_LOCAL(__dma_clean_area)
-SYM_FUNC_START_PI(__clean_dcache_area_poc)
+SYM_FUNC_START_PI(dcache_clean_poc)
 	/* FALLTHROUGH */
 
 /*
- *	__dma_clean_area(start, size)
+ *	__dma_clean_area(start, end)
  *	- start   - virtual start address of region
- *	- size    - size in question
+ *	- end     - virtual end address of region
  */
 	dcache_by_line_op cvac, sy, x0, x1, x2, x3
 	ret
-SYM_FUNC_END_PI(__clean_dcache_area_poc)
+SYM_FUNC_END_PI(dcache_clean_poc)
 SYM_FUNC_END(__dma_clean_area)
 
 /*
- *	__clean_dcache_area_pop(kaddr, size)
+ *	dcache_clean_pop(start, end)
  *
- * 	Ensure that any D-cache lines for the interval [kaddr, kaddr+size)
+ * 	Ensure that any D-cache lines for the interval [start, end)
  * 	are cleaned to the PoP.
  *
- *	- kaddr   - kernel address
- *	- size    - size in question
+ *	- start   - virtual start address of region
+ *	- end     - virtual end address of region
  */
-SYM_FUNC_START_PI(__clean_dcache_area_pop)
+SYM_FUNC_START_PI(dcache_clean_pop)
 	alternative_if_not ARM64_HAS_DCPOP
-	b	__clean_dcache_area_poc
+	b	dcache_clean_poc
 	alternative_else_nop_endif
 	dcache_by_line_op cvap, sy, x0, x1, x2, x3
 	ret
-SYM_FUNC_END_PI(__clean_dcache_area_pop)
+SYM_FUNC_END_PI(dcache_clean_pop)
 
 /*
  *	__dma_flush_area(start, size)
@@ -217,6 +218,7 @@
  *	- size    - size in question
  */
 SYM_FUNC_START_PI(__dma_flush_area)
+	add	x1, x0, x1
 	dcache_by_line_op civac, sy, x0, x1, x2, x3
 	ret
 SYM_FUNC_END_PI(__dma_flush_area)
@@ -228,6 +230,9 @@
  *	- dir	- DMA direction
  */
 SYM_FUNC_START_PI(__dma_map_area)
+	cmp	w2, #DMA_FROM_DEVICE
+	b.eq	__dma_flush_area
+	add	x1, x0, x1
 	b	__dma_clean_area
 SYM_FUNC_END_PI(__dma_map_area)
 
@@ -238,6 +243,7 @@
  *	- dir	- DMA direction
  */
 SYM_FUNC_START_PI(__dma_unmap_area)
+	add	x1, x0, x1
 	cmp	w2, #DMA_TO_DEVICE
 	b.ne	__dma_inv_area
 	ret
diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c
index 2491327..0dea80b 100644
--- a/arch/arm64/mm/copypage.c
+++ b/arch/arm64/mm/copypage.c
@@ -23,6 +23,15 @@
 
 	if (system_supports_mte() && test_bit(PG_mte_tagged, &from->flags)) {
 		set_bit(PG_mte_tagged, &to->flags);
+		page_kasan_tag_reset(to);
+		/*
+		 * We need smp_wmb() in between setting the flags and clearing the
+		 * tags because if another thread reads page->flags and builds a
+		 * tagged address out of it, there is an actual dependency to the
+		 * memory access, but on the current thread we do not guarantee that
+		 * the new page->flags are visible before the tags were updated.
+		 */
+		smp_wmb();
 		mte_copy_page_tags(kto, kfrom);
 	}
 }
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 93e87b2..deb45e8 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -10,6 +10,7 @@
 #include <linux/dma-iommu.h>
 #include <xen/xen.h>
 #include <xen/swiotlb-xen.h>
+#include <trace/hooks/iommu.h>
 
 #include <asm/cacheflush.h>
 
@@ -49,8 +50,10 @@
 		   ARCH_DMA_MINALIGN, cls);
 
 	dev->dma_coherent = coherent;
-	if (iommu)
+	if (iommu) {
 		iommu_setup_dma_ops(dev, dma_base, size);
+		trace_android_rvh_iommu_setup_dma_ops(dev, dma_base, size);
+	}
 
 #ifdef CONFIG_XEN
 	if (xen_initial_domain())
diff --git a/arch/arm64/mm/extable.c b/arch/arm64/mm/extable.c
index aa00601..60a8b6a 100644
--- a/arch/arm64/mm/extable.c
+++ b/arch/arm64/mm/extable.c
@@ -9,14 +9,19 @@
 int fixup_exception(struct pt_regs *regs)
 {
 	const struct exception_table_entry *fixup;
+	unsigned long addr;
 
-	fixup = search_exception_tables(instruction_pointer(regs));
+	addr = instruction_pointer(regs);
+
+	/* Search the BPF tables first, these are formatted differently */
+	fixup = search_bpf_extables(addr);
+	if (fixup)
+		return arm64_bpf_fixup_exception(fixup, regs);
+
+	fixup = search_exception_tables(addr);
 	if (!fixup)
 		return 0;
 
-	if (in_bpf_jit(regs))
-		return arm64_bpf_fixup_exception(fixup, regs);
-
 	regs->pc = (unsigned long)&fixup->fixup + fixup->fixup;
 	return 1;
 }
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index d8baedd..57e7285 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -10,10 +10,12 @@
 #include <linux/acpi.h>
 #include <linux/bitfield.h>
 #include <linux/extable.h>
+#include <linux/kfence.h>
 #include <linux/signal.h>
 #include <linux/mm.h>
 #include <linux/hardirq.h>
 #include <linux/init.h>
+#include <linux/kasan.h>
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>
 #include <linux/page-flags.h>
@@ -33,14 +35,18 @@
 #include <asm/debug-monitors.h>
 #include <asm/esr.h>
 #include <asm/kprobes.h>
+#include <asm/mte.h>
 #include <asm/processor.h>
 #include <asm/sysreg.h>
 #include <asm/system_misc.h>
 #include <asm/tlbflush.h>
 #include <asm/traps.h>
+#include <asm/virt.h>
+
+#include <trace/hooks/fault.h>
 
 struct fault_info {
-	int	(*fn)(unsigned long addr, unsigned int esr,
+	int	(*fn)(unsigned long far, unsigned int esr,
 		      struct pt_regs *regs);
 	int	sig;
 	int	code;
@@ -248,6 +254,15 @@
 	return false;
 }
 
+static bool is_pkvm_stage2_abort(unsigned int esr)
+{
+	/*
+	 * S1PTW should only ever be set in ESR_EL1 if the pkvm hypervisor
+	 * injected a stage-2 abort -- see host_inject_abort().
+	 */
+	return is_pkvm_initialized() && (esr & ESR_ELx_S1PTW);
+}
+
 static bool __kprobes is_spurious_el1_translation_fault(unsigned long addr,
 							unsigned int esr,
 							struct pt_regs *regs)
@@ -259,6 +274,9 @@
 	    (esr & ESR_ELx_FSC_TYPE) != ESR_ELx_FSC_FAULT)
 		return false;
 
+	if (is_pkvm_stage2_abort(esr))
+		return false;
+
 	local_irq_save(flags);
 	asm volatile("at s1e1r, %0" :: "r" (addr));
 	isb();
@@ -288,6 +306,7 @@
 	pr_alert("Unable to handle kernel %s at virtual address %016lx\n", msg,
 		 addr);
 
+	trace_android_rvh_die_kernel_fault(regs, esr, addr, msg);
 	mem_abort_decode(esr);
 
 	show_pte(addr);
@@ -296,6 +315,57 @@
 	make_task_dead(SIGKILL);
 }
 
+#ifdef CONFIG_KASAN_HW_TAGS
+static void report_tag_fault(unsigned long addr, unsigned int esr,
+			     struct pt_regs *regs)
+{
+	/*
+	 * SAS bits aren't set for all faults reported in EL1, so we can't
+	 * find out access size.
+	 */
+	bool is_write = !!(esr & ESR_ELx_WNR);
+	kasan_report(addr, 0, is_write, regs->pc);
+}
+#else
+/* Tag faults aren't enabled without CONFIG_KASAN_HW_TAGS. */
+static inline void report_tag_fault(unsigned long addr, unsigned int esr,
+				    struct pt_regs *regs) { }
+#endif
+
+static void do_tag_recovery(unsigned long addr, unsigned int esr,
+			   struct pt_regs *regs)
+{
+
+	report_tag_fault(addr, esr, regs);
+
+	/*
+	 * Disable MTE Tag Checking on the local CPU for the current EL.
+	 * It will be done lazily on the other CPUs when they will hit a
+	 * tag fault.
+	 */
+	sysreg_clear_set(sctlr_el1, SCTLR_ELx_TCF_MASK, SCTLR_ELx_TCF_NONE);
+	isb();
+}
+
+static bool is_el1_mte_sync_tag_check_fault(unsigned int esr)
+{
+	unsigned int ec = ESR_ELx_EC(esr);
+	unsigned int fsc = esr & ESR_ELx_FSC;
+
+	if (ec != ESR_ELx_EC_DABT_CUR)
+		return false;
+
+	if (fsc == ESR_ELx_FSC_MTE)
+		return true;
+
+	return false;
+}
+
+static bool is_translation_fault(unsigned long esr)
+{
+	return (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_FAULT;
+}
+
 static void __do_kernel_fault(unsigned long addr, unsigned int esr,
 			      struct pt_regs *regs)
 {
@@ -312,6 +382,12 @@
 	    "Ignoring spurious kernel translation fault at virtual address %016lx\n", addr))
 		return;
 
+	if (is_el1_mte_sync_tag_check_fault(esr)) {
+		do_tag_recovery(addr, esr, regs);
+
+		return;
+	}
+
 	if (is_el1_permission_fault(addr, esr, regs)) {
 		if (esr & ESR_ELx_WNR)
 			msg = "write to read-only memory";
@@ -321,7 +397,13 @@
 			msg = "read from unreadable memory";
 	} else if (addr < PAGE_SIZE) {
 		msg = "NULL pointer dereference";
+	} else if (is_pkvm_stage2_abort(esr)) {
+		msg = "access to hypervisor-protected memory";
 	} else {
+		if (is_translation_fault(esr) &&
+		    kfence_handle_page_fault(addr, esr & ESR_ELx_WNR, regs))
+			return;
+
 		msg = "paging request";
 	}
 
@@ -385,8 +467,11 @@
 	current->thread.fault_code = esr;
 }
 
-static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+static void do_bad_area(unsigned long far, unsigned int esr,
+			struct pt_regs *regs)
 {
+	unsigned long addr = untagged_addr(far);
+
 	/*
 	 * If we are in kernel mode at this point, we have no context to
 	 * handle this fault with.
@@ -395,8 +480,7 @@
 		const struct fault_info *inf = esr_to_fault_info(esr);
 
 		set_thread_esr(addr, esr);
-		arm64_force_sig_fault(inf->sig, inf->code, (void __user *)addr,
-				      inf->name);
+		arm64_force_sig_fault(inf->sig, inf->code, far, inf->name);
 	} else {
 		__do_kernel_fault(addr, esr, regs);
 	}
@@ -405,11 +489,10 @@
 #define VM_FAULT_BADMAP		((__force vm_fault_t)0x010000)
 #define VM_FAULT_BADACCESS	((__force vm_fault_t)0x020000)
 
-static vm_fault_t __do_page_fault(struct mm_struct *mm, unsigned long addr,
+static int __do_page_fault(struct vm_area_struct *vma, unsigned long addr,
 				  unsigned int mm_flags, unsigned long vm_flags,
 				  struct pt_regs *regs)
 {
-	struct vm_area_struct *vma = find_vma(mm, addr);
 
 	if (unlikely(!vma))
 		return VM_FAULT_BADMAP;
@@ -448,7 +531,7 @@
 	return (esr & ESR_ELx_WNR) && !(esr & ESR_ELx_CM);
 }
 
-static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
+static int __kprobes do_page_fault(unsigned long far, unsigned int esr,
 				   struct pt_regs *regs)
 {
 	const struct fault_info *inf;
@@ -456,6 +539,8 @@
 	vm_fault_t fault;
 	unsigned long vm_flags = VM_ACCESS_FLAGS;
 	unsigned int mm_flags = FAULT_FLAG_DEFAULT;
+	struct vm_area_struct *vma = NULL;
+	unsigned long addr = untagged_addr(far);
 
 	if (kprobe_page_fault(regs, esr))
 		return 0;
@@ -493,9 +578,24 @@
 					 addr, esr, regs);
 	}
 
+	if (is_pkvm_stage2_abort(esr)) {
+		if (!user_mode(regs))
+			goto no_context;
+		arm64_force_sig_fault(SIGSEGV, SEGV_ACCERR, far, "stage-2 fault");
+		return 0;
+	}
+
 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, addr);
 
 	/*
+	 * let's try a speculative page fault without grabbing the
+	 * mmap_sem.
+	 */
+	fault = handle_speculative_fault(mm, addr, mm_flags, &vma, regs);
+	if (fault != VM_FAULT_RETRY)
+		goto done;
+
+	/*
 	 * As per x86, we may deadlock here. However, since the kernel only
 	 * validly references user space from well defined areas of the code,
 	 * we can bug out early if this is from code which shouldn't.
@@ -519,7 +619,9 @@
 #endif
 	}
 
-	fault = __do_page_fault(mm, addr, mm_flags, vm_flags, regs);
+	if (!vma || !can_reuse_spf_vma(vma, addr))
+		vma = find_vma(mm, addr);
+	fault = __do_page_fault(vma, addr, mm_flags, vm_flags, regs);
 
 	/* Quick path to respond to signals */
 	if (fault_signal_pending(fault, regs)) {
@@ -531,11 +633,20 @@
 	if (fault & VM_FAULT_RETRY) {
 		if (mm_flags & FAULT_FLAG_ALLOW_RETRY) {
 			mm_flags |= FAULT_FLAG_TRIED;
+
+			/*
+			 * Do not try to reuse this vma and fetch it
+			 * again since we will release the mmap_sem.
+			 */
+			vma = NULL;
+
 			goto retry;
 		}
 	}
 	mmap_read_unlock(mm);
 
+done:
+
 	/*
 	 * Handle the "normal" (no error) case first.
 	 */
@@ -567,8 +678,7 @@
 		 * We had some memory, but were unable to successfully fix up
 		 * this page fault.
 		 */
-		arm64_force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)addr,
-				      inf->name);
+		arm64_force_sig_fault(SIGBUS, BUS_ADRERR, far, inf->name);
 	} else if (fault & (VM_FAULT_HWPOISON_LARGE | VM_FAULT_HWPOISON)) {
 		unsigned int lsb;
 
@@ -576,8 +686,7 @@
 		if (fault & VM_FAULT_HWPOISON_LARGE)
 			lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
 
-		arm64_force_sig_mceerr(BUS_MCEERR_AR, (void __user *)addr, lsb,
-				       inf->name);
+		arm64_force_sig_mceerr(BUS_MCEERR_AR, far, lsb, inf->name);
 	} else {
 		/*
 		 * Something tried to access memory that isn't in our memory
@@ -585,8 +694,7 @@
 		 */
 		arm64_force_sig_fault(SIGSEGV,
 				      fault == VM_FAULT_BADACCESS ? SEGV_ACCERR : SEGV_MAPERR,
-				      (void __user *)addr,
-				      inf->name);
+				      far, inf->name);
 	}
 
 	return 0;
@@ -596,33 +704,35 @@
 	return 0;
 }
 
-static int __kprobes do_translation_fault(unsigned long addr,
+static int __kprobes do_translation_fault(unsigned long far,
 					  unsigned int esr,
 					  struct pt_regs *regs)
 {
-	if (is_ttbr0_addr(addr))
-		return do_page_fault(addr, esr, regs);
+	unsigned long addr = untagged_addr(far);
 
-	do_bad_area(addr, esr, regs);
+	if (is_ttbr0_addr(addr))
+		return do_page_fault(far, esr, regs);
+
+	do_bad_area(far, esr, regs);
 	return 0;
 }
 
-static int do_alignment_fault(unsigned long addr, unsigned int esr,
+static int do_alignment_fault(unsigned long far, unsigned int esr,
 			      struct pt_regs *regs)
 {
-	do_bad_area(addr, esr, regs);
+	do_bad_area(far, esr, regs);
 	return 0;
 }
 
-static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+static int do_bad(unsigned long far, unsigned int esr, struct pt_regs *regs)
 {
 	return 1; /* "fault" */
 }
 
-static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+static int do_sea(unsigned long far, unsigned int esr, struct pt_regs *regs)
 {
 	const struct fault_info *inf;
-	void __user *siaddr;
+	unsigned long siaddr;
 
 	inf = esr_to_fault_info(esr);
 
@@ -634,19 +744,32 @@
 		return 0;
 	}
 
-	if (esr & ESR_ELx_FnV)
-		siaddr = NULL;
-	else
-		siaddr  = (void __user *)addr;
+	if (esr & ESR_ELx_FnV) {
+		siaddr = 0;
+	} else {
+		/*
+		 * The architecture specifies that the tag bits of FAR_EL1 are
+		 * UNKNOWN for synchronous external aborts. Mask them out now
+		 * so that userspace doesn't see them.
+		 */
+		siaddr  = untagged_addr(far);
+	}
+	trace_android_rvh_do_sea(regs, esr, siaddr, inf->name);
 	arm64_notify_die(inf->name, regs, inf->sig, inf->code, siaddr, esr);
 
 	return 0;
 }
 
-static int do_tag_check_fault(unsigned long addr, unsigned int esr,
+static int do_tag_check_fault(unsigned long far, unsigned int esr,
 			      struct pt_regs *regs)
 {
-	do_bad_area(addr, esr, regs);
+	/*
+	 * The architecture specifies that bits 63:60 of FAR_EL1 are UNKNOWN
+	 * for tag check faults. Set them to corresponding bits in the untagged
+	 * address.
+	 */
+	far = (__untagged_addr(far) & ~MTE_TAG_MASK) | (far & MTE_TAG_MASK);
+	do_bad_area(far, esr, regs);
 	return 0;
 }
 
@@ -717,21 +840,27 @@
 	{ do_bad,		SIGKILL, SI_KERNEL,	"unknown 63"			},
 };
 
-void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs)
 {
 	const struct fault_info *inf = esr_to_fault_info(esr);
+	unsigned long addr = untagged_addr(far);
 
-	if (!inf->fn(addr, esr, regs))
+	if (!inf->fn(far, esr, regs))
 		return;
 
 	if (!user_mode(regs)) {
 		pr_alert("Unhandled fault at 0x%016lx\n", addr);
+		trace_android_rvh_do_mem_abort(regs, esr, addr, inf->name);
 		mem_abort_decode(esr);
 		show_pte(addr);
 	}
 
-	arm64_notify_die(inf->name, regs,
-			 inf->sig, inf->code, (void __user *)addr, esr);
+	/*
+	 * At this point we have an unrecognized fault type whose tag bits may
+	 * have been defined as UNKNOWN. Therefore we only expose the untagged
+	 * address to the signal handler.
+	 */
+	arm64_notify_die(inf->name, regs, inf->sig, inf->code, addr, esr);
 }
 NOKPROBE_SYMBOL(do_mem_abort);
 
@@ -744,8 +873,10 @@
 
 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs)
 {
-	arm64_notify_die("SP/PC alignment exception", regs,
-			 SIGBUS, BUS_ADRALN, (void __user *)addr, esr);
+	trace_android_rvh_do_sp_pc_abort(regs, esr, addr, user_mode(regs));
+
+	arm64_notify_die("SP/PC alignment exception", regs, SIGBUS, BUS_ADRALN,
+			 addr, esr);
 }
 NOKPROBE_SYMBOL(do_sp_pc_abort);
 
@@ -846,10 +977,35 @@
 		arm64_apply_bp_hardening();
 
 	if (inf->fn(addr_if_watchpoint, esr, regs)) {
-		arm64_notify_die(inf->name, regs,
-				 inf->sig, inf->code, (void __user *)pc, esr);
+		arm64_notify_die(inf->name, regs, inf->sig, inf->code, pc, esr);
 	}
 
 	debug_exception_exit(regs);
 }
 NOKPROBE_SYMBOL(do_debug_exception);
+
+/*
+ * Used during anonymous page fault handling.
+ */
+struct page *alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
+						unsigned long vaddr)
+{
+	gfp_t flags = GFP_HIGHUSER_MOVABLE | __GFP_ZERO | __GFP_CMA;
+
+	/*
+	 * If the page is mapped with PROT_MTE, initialise the tags at the
+	 * point of allocation and page zeroing as this is usually faster than
+	 * separate DC ZVA and STGM.
+	 */
+	if (vma->vm_flags & VM_MTE)
+		flags |= __GFP_ZEROTAGS;
+
+	return alloc_page_vma(flags, vma, vaddr);
+}
+
+void tag_clear_highpage(struct page *page)
+{
+	mte_zero_clear_page_tags(page_address(page));
+	page_kasan_tag_reset(page);
+	set_bit(PG_mte_tagged, &page->flags);
+}
diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c
index 6d44c028..2aaf950 100644
--- a/arch/arm64/mm/flush.c
+++ b/arch/arm64/mm/flush.c
@@ -14,28 +14,25 @@
 #include <asm/cache.h>
 #include <asm/tlbflush.h>
 
-void sync_icache_aliases(void *kaddr, unsigned long len)
+void sync_icache_aliases(unsigned long start, unsigned long end)
 {
-	unsigned long addr = (unsigned long)kaddr;
-
 	if (icache_is_aliasing()) {
-		__clean_dcache_area_pou(kaddr, len);
-		__flush_icache_all();
+		dcache_clean_pou(start, end);
+		icache_inval_all_pou();
 	} else {
 		/*
 		 * Don't issue kick_all_cpus_sync() after I-cache invalidation
 		 * for user mappings.
 		 */
-		__flush_icache_range(addr, addr + len);
+		caches_clean_inval_pou(start, end);
 	}
 }
 
-static void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
-				unsigned long uaddr, void *kaddr,
-				unsigned long len)
+static void flush_ptrace_access(struct vm_area_struct *vma, unsigned long start,
+				unsigned long end)
 {
 	if (vma->vm_flags & VM_EXEC)
-		sync_icache_aliases(kaddr, len);
+		sync_icache_aliases(start, end);
 }
 
 /*
@@ -48,7 +45,7 @@
 		       unsigned long len)
 {
 	memcpy(dst, src, len);
-	flush_ptrace_access(vma, page, uaddr, dst, len);
+	flush_ptrace_access(vma, (unsigned long)dst, (unsigned long)dst + len);
 }
 
 void __sync_icache_dcache(pte_t pte)
@@ -56,7 +53,9 @@
 	struct page *page = pte_page(pte);
 
 	if (!test_bit(PG_dcache_clean, &page->flags)) {
-		sync_icache_aliases(page_address(page), page_size(page));
+		sync_icache_aliases((unsigned long)page_address(page),
+				    (unsigned long)page_address(page) +
+					    page_size(page));
 		set_bit(PG_dcache_clean, &page->flags);
 	}
 }
@@ -77,20 +76,20 @@
 /*
  * Additional functions defined in assembly.
  */
-EXPORT_SYMBOL(__flush_icache_range);
+EXPORT_SYMBOL(caches_clean_inval_pou);
 
 #ifdef CONFIG_ARCH_HAS_PMEM_API
 void arch_wb_cache_pmem(void *addr, size_t size)
 {
 	/* Ensure order against any prior non-cacheable writes */
 	dmb(osh);
-	__clean_dcache_area_pop(addr, size);
+	dcache_clean_pop((unsigned long)addr, (unsigned long)addr + size);
 }
 EXPORT_SYMBOL_GPL(arch_wb_cache_pmem);
 
 void arch_invalidate_pmem(void *addr, size_t size)
 {
-	__inval_dcache_area(addr, size);
+	dcache_inval_poc((unsigned long)addr, (unsigned long)addr + size);
 }
 EXPORT_SYMBOL_GPL(arch_invalidate_pmem);
 #endif
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 99cd6e7..54009d4 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -252,7 +252,7 @@
 		set_pte(ptep, pte);
 }
 
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 		      unsigned long addr, unsigned long sz)
 {
 	pgd_t *pgdp;
@@ -284,9 +284,8 @@
 		 */
 		ptep = pte_alloc_map(mm, pmdp, addr);
 	} else if (sz == PMD_SIZE) {
-		if (IS_ENABLED(CONFIG_ARCH_WANT_HUGE_PMD_SHARE) &&
-		    pud_none(READ_ONCE(*pudp)))
-			ptep = huge_pmd_share(mm, addr, pudp);
+		if (want_pmd_share(vma, addr) && pud_none(READ_ONCE(*pudp)))
+			ptep = huge_pmd_share(mm, vma, addr, pudp);
 		else
 			ptep = (pte_t *)pmd_alloc(mm, pudp, addr);
 	} else if (sz == (CONT_PMD_SIZE)) {
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 80cc797..0cbb63c 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -35,6 +35,7 @@
 #include <asm/fixmap.h>
 #include <asm/kasan.h>
 #include <asm/kernel-pgtable.h>
+#include <asm/kvm_host.h>
 #include <asm/memory.h>
 #include <asm/numa.h>
 #include <asm/sections.h>
@@ -87,6 +88,12 @@
 phys_addr_t __ro_after_init arm64_dma_phys_limit = PHYS_MASK + 1;
 #endif
 
+/*
+ * Provide a run-time mean of disabling ZONE_DMA32 if it is enabled via
+ * CONFIG_ZONE_DMA32.
+ */
+static bool disable_dma32 __ro_after_init;
+
 #ifdef CONFIG_KEXEC_CORE
 /*
  * reserve_crashkernel() - reserves memory for crash kernel
@@ -232,7 +239,7 @@
 	max_zone_pfns[ZONE_DMA] = PFN_DOWN(arm64_dma_phys_limit);
 #endif
 #ifdef CONFIG_ZONE_DMA32
-	max_zone_pfns[ZONE_DMA32] = PFN_DOWN(dma32_phys_limit);
+	max_zone_pfns[ZONE_DMA32] = disable_dma32 ? 0 : PFN_DOWN(dma32_phys_limit);
 	if (!arm64_dma_phys_limit)
 		arm64_dma_phys_limit = dma32_phys_limit;
 #endif
@@ -241,6 +248,18 @@
 	free_area_init(max_zone_pfns);
 }
 
+static int __init early_disable_dma32(char *buf)
+{
+	if (!buf)
+		return -EINVAL;
+
+	if (!strcmp(buf, "on"))
+		disable_dma32 = true;
+
+	return 0;
+}
+early_param("disable_dma32", early_disable_dma32);
+
 int pfn_valid(unsigned long pfn)
 {
 	phys_addr_t addr = pfn << PAGE_SHIFT;
@@ -401,15 +420,18 @@
 
 	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
 		extern u16 memstart_offset_seed;
-		u64 range = linear_region_size -
-			    (memblock_end_of_DRAM() - memblock_start_of_DRAM());
+		u64 mmfr0 = read_cpuid(ID_AA64MMFR0_EL1);
+		int parange = cpuid_feature_extract_unsigned_field(
+					mmfr0, ID_AA64MMFR0_PARANGE_SHIFT);
+		s64 range = linear_region_size -
+			    BIT(id_aa64mmfr0_parange_to_phys_shift(parange));
 
 		/*
 		 * If the size of the linear region exceeds, by a sufficient
-		 * margin, the size of the region that the available physical
-		 * memory spans, randomize the linear region as well.
+		 * margin, the size of the region that the physical memory can
+		 * span, randomize the linear region as well.
 		 */
-		if (memstart_offset_seed > 0 && range >= ARM64_MEMSTART_ALIGN) {
+		if (memstart_offset_seed > 0 && range >= (s64)ARM64_MEMSTART_ALIGN) {
 			range /= ARM64_MEMSTART_ALIGN;
 			memstart_addr -= ARM64_MEMSTART_ALIGN *
 					 ((range * memstart_offset_seed) >> 16);
@@ -462,6 +484,8 @@
 
 	dma_pernuma_cma_reserve();
 
+	kvm_hyp_reserve();
+
 	/*
 	 * sparse_init() tries to allocate memory from memblock, so must be
 	 * done after the fixed reservations
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c
index f173a01..7badd1d 100644
--- a/arch/arm64/mm/ioremap.c
+++ b/arch/arm64/mm/ioremap.c
@@ -9,14 +9,177 @@
  * Copyright (C) 2012 ARM Ltd.
  */
 
+#define pr_fmt(fmt)	"ioremap: " fmt
+
 #include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
+#include <linux/slab.h>
 #include <linux/io.h>
 #include <linux/memblock.h>
+#include <linux/arm-smccc.h>
 
 #include <asm/fixmap.h>
 #include <asm/tlbflush.h>
+#include <asm/hypervisor.h>
+
+struct ioremap_guard_ref {
+	refcount_t	count;
+};
+
+static DEFINE_STATIC_KEY_FALSE(ioremap_guard_key);
+static DEFINE_XARRAY(ioremap_guard_array);
+static DEFINE_MUTEX(ioremap_guard_lock);
+
+static bool ioremap_guard;
+static int __init ioremap_guard_setup(char *str)
+{
+	ioremap_guard = true;
+
+	return 0;
+}
+early_param("ioremap_guard", ioremap_guard_setup);
+
+static void fixup_fixmap(void)
+{
+	pte_t *ptep = __get_fixmap_pte(FIX_EARLYCON_MEM_BASE);
+
+	if (!ptep)
+		return;
+
+	ioremap_phys_range_hook(__pte_to_phys(*ptep), PAGE_SIZE,
+				__pgprot(pte_val(*ptep) & PTE_ATTRINDX_MASK));
+}
+
+void kvm_init_ioremap_services(void)
+{
+	struct arm_smccc_res res;
+
+	if (!ioremap_guard)
+		return;
+
+	/* We need all the functions to be implemented */
+	if (!kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_INFO) ||
+	    !kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_ENROLL) ||
+	    !kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_MAP) ||
+	    !kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_MMIO_GUARD_UNMAP))
+		return;
+
+	arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_INFO_FUNC_ID,
+			     0, 0, 0, &res);
+	if (res.a0 != PAGE_SIZE)
+		return;
+
+	arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_ENROLL_FUNC_ID,
+			     &res);
+	if (res.a0 == SMCCC_RET_SUCCESS) {
+		static_branch_enable(&ioremap_guard_key);
+		fixup_fixmap();
+		pr_info("Using KVM MMIO guard for ioremap\n");
+	} else {
+		pr_warn("KVM MMIO guard registration failed (%ld)\n", res.a0);
+	}
+}
+
+void ioremap_phys_range_hook(phys_addr_t phys_addr, size_t size, pgprot_t prot)
+{
+	if (!static_branch_unlikely(&ioremap_guard_key))
+		return;
+
+	if (pfn_valid(__phys_to_pfn(phys_addr)))
+		return;
+
+	mutex_lock(&ioremap_guard_lock);
+
+	while (size) {
+		u64 pfn = phys_addr >> PAGE_SHIFT;
+		struct ioremap_guard_ref *ref;
+		struct arm_smccc_res res;
+
+		ref = xa_load(&ioremap_guard_array, pfn);
+		if (ref) {
+			refcount_inc(&ref->count);
+			goto next;
+		}
+
+		/*
+		 * It is acceptable for the allocation to fail, specially
+		 * if trying to ioremap something very early on, like with
+		 * earlycon, which happens long before kmem_cache_init.
+		 * This page will be permanently accessible, similar to a
+		 * saturated refcount.
+		 */
+		if (slab_is_available())
+			ref = kzalloc(sizeof(*ref), GFP_KERNEL);
+		if (ref) {
+			refcount_set(&ref->count, 1);
+			if (xa_err(xa_store(&ioremap_guard_array, pfn, ref,
+					    GFP_KERNEL))) {
+				kfree(ref);
+				ref = NULL;
+			}
+		}
+
+		arm_smccc_1_1_hvc(ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_MAP_FUNC_ID,
+				  phys_addr, prot, &res);
+		if (res.a0 != SMCCC_RET_SUCCESS) {
+			pr_warn_ratelimited("Failed to register %llx\n",
+					    phys_addr);
+			xa_erase(&ioremap_guard_array, pfn);
+			kfree(ref);
+			goto out;
+		}
+
+	next:
+		size -= PAGE_SIZE;
+		phys_addr += PAGE_SIZE;
+	}
+out:
+	mutex_unlock(&ioremap_guard_lock);
+}
+
+void iounmap_phys_range_hook(phys_addr_t phys_addr, size_t size)
+{
+	if (!static_branch_unlikely(&ioremap_guard_key))
+		return;
+
+	VM_BUG_ON(phys_addr & ~PAGE_MASK || size & ~PAGE_MASK);
+
+	mutex_lock(&ioremap_guard_lock);
+
+	while (size) {
+		u64 pfn = phys_addr >> PAGE_SHIFT;
+		struct ioremap_guard_ref *ref;
+		struct arm_smccc_res res;
+
+		ref = xa_load(&ioremap_guard_array, pfn);
+		if (!ref) {
+			pr_warn_ratelimited("%llx not tracked, left mapped\n",
+					    phys_addr);
+			goto next;
+		}
+
+		if (!refcount_dec_and_test(&ref->count))
+			goto next;
+
+		xa_erase(&ioremap_guard_array, pfn);
+		kfree(ref);
+
+		arm_smccc_1_1_hvc(ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_UNMAP_FUNC_ID,
+				  phys_addr, &res);
+		if (res.a0 != SMCCC_RET_SUCCESS) {
+			pr_warn_ratelimited("Failed to unregister %llx\n",
+					    phys_addr);
+			goto out;
+		}
+
+	next:
+		size -= PAGE_SIZE;
+		phys_addr += PAGE_SIZE;
+	}
+out:
+	mutex_unlock(&ioremap_guard_lock);
+}
 
 static void __iomem *__ioremap_caller(phys_addr_t phys_addr, size_t size,
 				      pgprot_t prot, void *caller)
diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index b24e43d..dbe4101 100644
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -21,6 +21,8 @@
 #include <asm/sections.h>
 #include <asm/tlbflush.h>
 
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+
 static pgd_t tmp_pg_dir[PTRS_PER_PGD] __initdata __aligned(PGD_SIZE);
 
 /*
@@ -34,7 +36,7 @@
 {
 	void *p = memblock_alloc_try_nid(PAGE_SIZE, PAGE_SIZE,
 					      __pa(MAX_DMA_ADDRESS),
-					      MEMBLOCK_ALLOC_KASAN, node);
+					      MEMBLOCK_ALLOC_NOLEAKTRACE, node);
 	if (!p)
 		panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n",
 		      __func__, PAGE_SIZE, PAGE_SIZE, node,
@@ -47,7 +49,8 @@
 {
 	void *p = memblock_alloc_try_nid_raw(PAGE_SIZE, PAGE_SIZE,
 						__pa(MAX_DMA_ADDRESS),
-						MEMBLOCK_ALLOC_KASAN, node);
+						MEMBLOCK_ALLOC_NOLEAKTRACE,
+						node);
 	if (!p)
 		panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n",
 		      __func__, PAGE_SIZE, PAGE_SIZE, node,
@@ -77,7 +80,7 @@
 		phys_addr_t pmd_phys = early ?
 				__pa_symbol(kasan_early_shadow_pmd)
 					: kasan_alloc_zeroed_page(node);
-		__pud_populate(pudp, pmd_phys, PMD_TYPE_TABLE);
+		__pud_populate(pudp, pmd_phys, PUD_TYPE_TABLE);
 	}
 
 	return early ? pmd_offset_kimg(pudp, addr) : pmd_offset(pudp, addr);
@@ -90,7 +93,7 @@
 		phys_addr_t pud_phys = early ?
 				__pa_symbol(kasan_early_shadow_pud)
 					: kasan_alloc_zeroed_page(node);
-		__p4d_populate(p4dp, pud_phys, PMD_TYPE_TABLE);
+		__p4d_populate(p4dp, pud_phys, P4D_TYPE_TABLE);
 	}
 
 	return early ? pud_offset_kimg(p4dp, addr) : pud_offset(p4dp, addr);
@@ -208,19 +211,22 @@
 		set_pgd(pgd_offset_k(start), __pgd(0));
 }
 
-void __init kasan_init(void)
+static void __init kasan_init_shadow(void)
 {
 	u64 kimg_shadow_start, kimg_shadow_end;
 	u64 mod_shadow_start, mod_shadow_end;
+	u64 vmalloc_shadow_end;
 	phys_addr_t pa_start, pa_end;
 	u64 i;
 
-	kimg_shadow_start = (u64)kasan_mem_to_shadow(_text) & PAGE_MASK;
-	kimg_shadow_end = PAGE_ALIGN((u64)kasan_mem_to_shadow(_end));
+	kimg_shadow_start = (u64)kasan_mem_to_shadow(KERNEL_START) & PAGE_MASK;
+	kimg_shadow_end = PAGE_ALIGN((u64)kasan_mem_to_shadow(KERNEL_END));
 
 	mod_shadow_start = (u64)kasan_mem_to_shadow((void *)MODULES_VADDR);
 	mod_shadow_end = (u64)kasan_mem_to_shadow((void *)MODULES_END);
 
+	vmalloc_shadow_end = (u64)kasan_mem_to_shadow((void *)VMALLOC_END);
+
 	/*
 	 * We are going to perform proper setup of shadow memory.
 	 * At first we should unmap early shadow (clear_pgds() call below).
@@ -235,16 +241,22 @@
 	clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
 
 	kasan_map_populate(kimg_shadow_start, kimg_shadow_end,
-			   early_pfn_to_nid(virt_to_pfn(lm_alias(_text))));
+			   early_pfn_to_nid(virt_to_pfn(lm_alias(KERNEL_START))));
 
 	kasan_populate_early_shadow(kasan_mem_to_shadow((void *)PAGE_END),
 				   (void *)mod_shadow_start);
-	kasan_populate_early_shadow((void *)kimg_shadow_end,
-				   (void *)KASAN_SHADOW_END);
 
-	if (kimg_shadow_start > mod_shadow_end)
-		kasan_populate_early_shadow((void *)mod_shadow_end,
-					    (void *)kimg_shadow_start);
+	if (IS_ENABLED(CONFIG_KASAN_VMALLOC)) {
+		BUILD_BUG_ON(VMALLOC_START != MODULES_END);
+		kasan_populate_early_shadow((void *)vmalloc_shadow_end,
+					    (void *)KASAN_SHADOW_END);
+	} else {
+		kasan_populate_early_shadow((void *)kimg_shadow_end,
+					    (void *)KASAN_SHADOW_END);
+		if (kimg_shadow_start > mod_shadow_end)
+			kasan_populate_early_shadow((void *)mod_shadow_end,
+						    (void *)kimg_shadow_start);
+	}
 
 	for_each_mem_range(i, &pa_start, &pa_end) {
 		void *start = (void *)__phys_to_virt(pa_start);
@@ -269,8 +281,21 @@
 
 	memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE);
 	cpu_replace_ttbr1(lm_alias(swapper_pg_dir));
-
-	/* At this point kasan is fully initialized. Enable error messages */
-	init_task.kasan_depth = 0;
-	pr_info("KernelAddressSanitizer initialized\n");
 }
+
+static void __init kasan_init_depth(void)
+{
+	init_task.kasan_depth = 0;
+}
+
+void __init kasan_init(void)
+{
+	kasan_init_shadow();
+	kasan_init_depth();
+#if defined(CONFIG_KASAN_GENERIC)
+	/* CONFIG_KASAN_SW_TAGS also requires kasan_init_sw_tags(). */
+	pr_info("KernelAddressSanitizer initialized (generic)\n");
+#endif
+}
+
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
diff --git a/arch/arm64/mm/mem_encrypt.c b/arch/arm64/mm/mem_encrypt.c
new file mode 100644
index 0000000..ff75dd3
--- /dev/null
+++ b/arch/arm64/mm/mem_encrypt.c
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Implementation of the memory encryption/decryption API.
+ *
+ * Amusingly, no crypto is actually performed. Rather, we call into the
+ * hypervisor component of KVM to expose pages selectively to the host
+ * for virtio "DMA" operations. In other words, "encrypted" pages are
+ * not accessible to the host, whereas "decrypted" pages are.
+ *
+ * Author: Will Deacon <will@kernel.org>
+ */
+#include <linux/arm-smccc.h>
+#include <linux/mem_encrypt.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/set_memory.h>
+#include <linux/types.h>
+
+#include <asm/hypervisor.h>
+
+static unsigned long memshare_granule_sz;
+
+bool mem_encrypt_active(void)
+{
+	return memshare_granule_sz;
+}
+EXPORT_SYMBOL(mem_encrypt_active);
+
+void kvm_init_memshare_services(void)
+{
+	int i;
+	struct arm_smccc_res res;
+	const u32 funcs[] = {
+		ARM_SMCCC_KVM_FUNC_HYP_MEMINFO,
+		ARM_SMCCC_KVM_FUNC_MEM_SHARE,
+		ARM_SMCCC_KVM_FUNC_MEM_UNSHARE,
+	};
+
+	for (i = 0; i < ARRAY_SIZE(funcs); ++i) {
+		if (!kvm_arm_hyp_service_available(funcs[i]))
+			return;
+	}
+
+	arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_HYP_MEMINFO_FUNC_ID,
+			     0, 0, 0, &res);
+	if (res.a0 > PAGE_SIZE) /* Includes error codes */
+		return;
+
+	memshare_granule_sz = res.a0;
+}
+
+static int arm_smccc_share_unshare_page(u32 func_id, phys_addr_t phys)
+{
+	phys_addr_t end = phys + PAGE_SIZE;
+
+	while (phys < end) {
+		struct arm_smccc_res res;
+
+		arm_smccc_1_1_invoke(func_id, phys, 0, 0, &res);
+		if (res.a0 != SMCCC_RET_SUCCESS)
+			return -EPERM;
+
+		phys += memshare_granule_sz;
+	}
+
+	return 0;
+}
+
+static int set_memory_xcrypted(u32 func_id, unsigned long start, int numpages)
+{
+	void *addr = (void *)start, *end = addr + numpages * PAGE_SIZE;
+
+	while (addr < end) {
+		int err;
+
+		err = arm_smccc_share_unshare_page(func_id, virt_to_phys(addr));
+		if (err)
+			return err;
+
+		addr += PAGE_SIZE;
+	}
+
+	return 0;
+}
+
+int set_memory_encrypted(unsigned long addr, int numpages)
+{
+	if (!memshare_granule_sz || WARN_ON(!PAGE_ALIGNED(addr)))
+		return 0;
+
+	return set_memory_xcrypted(ARM_SMCCC_VENDOR_HYP_KVM_MEM_UNSHARE_FUNC_ID,
+				   addr, numpages);
+}
+
+int set_memory_decrypted(unsigned long addr, int numpages)
+{
+	if (!memshare_granule_sz || WARN_ON(!PAGE_ALIGNED(addr)))
+		return 0;
+
+	return set_memory_xcrypted(ARM_SMCCC_VENDOR_HYP_KVM_MEM_SHARE_FUNC_ID,
+				   addr, numpages);
+}
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 78f9fb6..07f7315 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -95,7 +95,8 @@
 	phys_addr_t phys;
 	void *ptr;
 
-	phys = memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE);
+	phys = memblock_phys_alloc_range(PAGE_SIZE, PAGE_SIZE, 0,
+					 MEMBLOCK_ALLOC_NOLEAKTRACE);
 	if (!phys)
 		panic("Failed to allocate page table page\n");
 
@@ -310,7 +311,7 @@
 		phys_addr_t pud_phys;
 		BUG_ON(!pgtable_alloc);
 		pud_phys = pgtable_alloc(PUD_SHIFT);
-		__p4d_populate(p4dp, pud_phys, PUD_TYPE_TABLE);
+		__p4d_populate(p4dp, pud_phys, P4D_TYPE_TABLE);
 		p4d = READ_ONCE(*p4dp);
 	}
 	BUG_ON(p4d_bad(p4d));
@@ -501,7 +502,8 @@
 	int flags = 0;
 	u64 i;
 
-	if (rodata_full || debug_pagealloc_enabled())
+	if (rodata_full || debug_pagealloc_enabled() ||
+	    IS_ENABLED(CONFIG_KFENCE))
 		flags = NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
 
 	/*
@@ -674,7 +676,7 @@
 	if (!IS_ENABLED(CONFIG_ARM64_BTI_KERNEL))
 		return false;
 
-	pfr1 = read_sysreg_s(SYS_ID_AA64PFR1_EL1);
+	pfr1 = __read_sysreg_by_encoding(SYS_ID_AA64PFR1_EL1);
 	return cpuid_feature_extract_unsigned_field(pfr1,
 						    ID_AA64PFR1_BT_SHIFT);
 }
@@ -1173,8 +1175,11 @@
 			void *p = NULL;
 
 			p = vmemmap_alloc_block_buf(PMD_SIZE, node, altmap);
-			if (!p)
-				return -ENOMEM;
+			if (!p) {
+				if (vmemmap_populate_basepages(addr, next, node, altmap))
+					return -ENOMEM;
+				continue;
+			}
 
 			pmd_set_huge(pmdp, __pa(p), __pgprot(PROT_SECT_NORMAL));
 		} else
@@ -1250,11 +1255,11 @@
 		pudp = pud_offset_kimg(p4dp, addr);
 	} else {
 		if (p4d_none(p4d))
-			__p4d_populate(p4dp, __pa_symbol(bm_pud), PUD_TYPE_TABLE);
+			__p4d_populate(p4dp, __pa_symbol(bm_pud), P4D_TYPE_TABLE);
 		pudp = fixmap_pud(addr);
 	}
 	if (pud_none(READ_ONCE(*pudp)))
-		__pud_populate(pudp, __pa_symbol(bm_pmd), PMD_TYPE_TABLE);
+		__pud_populate(pudp, __pa_symbol(bm_pmd), PUD_TYPE_TABLE);
 	pmdp = fixmap_pmd(addr);
 	__pmd_populate(pmdp, __pa_symbol(bm_pte), PMD_TYPE_TABLE);
 
@@ -1303,6 +1308,21 @@
 	}
 }
 
+pte_t *__get_fixmap_pte(enum fixed_addresses idx)
+{
+	unsigned long addr = __fix_to_virt(idx);
+	pte_t *ptep;
+
+	BUG_ON(idx <= FIX_HOLE || idx >= __end_of_fixed_addresses);
+
+	ptep = fixmap_pte(addr);
+
+	if (!pte_valid(*ptep))
+		return NULL;
+
+	return ptep;
+}
+
 void *__init fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot)
 {
 	const u64 dt_virt_base = __fix_to_virt(FIX_FDT);
@@ -1523,7 +1543,12 @@
 		return -EINVAL;
 	}
 
-	if (rodata_full || debug_pagealloc_enabled())
+	/*
+	 * KFENCE requires linear map to be mapped at page granularity, so that
+	 * it is possible to protect/unprotect single pages in the KFENCE pool.
+	 */
+	if (rodata_full || debug_pagealloc_enabled() ||
+	    IS_ENABLED(CONFIG_KFENCE))
 		flags = NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
 
 	__create_pgd_mapping(swapper_pg_dir, start, __phys_to_virt(start),
@@ -1555,6 +1580,71 @@
 	__remove_pgd_mapping(swapper_pg_dir, __phys_to_virt(start), size);
 }
 
+int check_range_driver_managed(u64 start, u64 size, const char *resource_name)
+{
+	struct mem_section *ms;
+	unsigned long pfn = __phys_to_pfn(start);
+	unsigned long end_pfn = __phys_to_pfn(start + size);
+	struct resource *res;
+	unsigned long flags;
+
+	res = lookup_resource(&iomem_resource, start);
+	if (!res) {
+		pr_err("%s: couldn't find memory resource for start 0x%llx\n",
+			   __func__, start);
+		return -EINVAL;
+	}
+
+	flags = res->flags;
+
+	if (!(flags & IORESOURCE_SYSRAM_DRIVER_MANAGED) ||
+	    strstr(resource_name, "System RAM (") != resource_name)
+		return -EINVAL;
+
+	for (; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
+		ms = __pfn_to_section(pfn);
+		if (early_section(ms))
+			return -EINVAL;
+	}
+
+	return 0;
+}
+
+int populate_range_driver_managed(u64 start, u64 size,
+			const char *resource_name)
+{
+	unsigned long virt = (unsigned long)phys_to_virt(start);
+	int flags = 0;
+
+	if (check_range_driver_managed(start, size, resource_name))
+		return -EINVAL;
+
+	/*
+	 * When rodata_full is enabled, memory is mapped at page size granule,
+	 * as opposed to block mapping.
+	 */
+	if (rodata_full || debug_pagealloc_enabled())
+		flags = NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
+
+	__create_pgd_mapping(init_mm.pgd, start, virt, size,
+			     PAGE_KERNEL, NULL, flags);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(populate_range_driver_managed);
+
+int depopulate_range_driver_managed(u64 start, u64 size,
+			const char *resource_name)
+{
+	if (check_range_driver_managed(start, size, resource_name))
+		return -EINVAL;
+
+	unmap_hotplug_range(start, start + size, false, NULL);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(depopulate_range_driver_managed);
+
 /*
  * This memory hotplug notifier helps prevent boot memory from being
  * inadvertently removed as it blocks pfn range offlining process in
diff --git a/arch/arm64/mm/mteswap.c b/arch/arm64/mm/mteswap.c
index c52c184..7c4ef56 100644
--- a/arch/arm64/mm/mteswap.c
+++ b/arch/arm64/mm/mteswap.c
@@ -53,6 +53,15 @@
 	if (!tags)
 		return false;
 
+	page_kasan_tag_reset(page);
+	/*
+	 * We need smp_wmb() in between setting the flags and clearing the
+	 * tags because if another thread reads page->flags and builds a
+	 * tagged address out of it, there is an actual dependency to the
+	 * memory access, but on the current thread we do not guarantee that
+	 * the new page->flags are visible before the tags were updated.
+	 */
+	smp_wmb();
 	mte_restore_page_tags(page_address(page), tags);
 
 	return true;
diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c
index 1b94f5b..8cacfbc 100644
--- a/arch/arm64/mm/pageattr.c
+++ b/arch/arm64/mm/pageattr.c
@@ -80,7 +80,7 @@
 	 */
 	area = find_vm_area((void *)addr);
 	if (!area ||
-	    end > (unsigned long)area->addr + area->size ||
+	    end > (unsigned long)kasan_reset_tag(area->addr) + area->size ||
 	    !(area->flags & VM_ALLOC))
 		return -EINVAL;
 
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index aacc7ea..ee43c3c 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -40,14 +40,26 @@
 #define TCR_CACHE_FLAGS	TCR_IRGN_WBWA | TCR_ORGN_WBWA
 
 #ifdef CONFIG_KASAN_SW_TAGS
-#define TCR_KASAN_FLAGS TCR_TBI1
+#define TCR_KASAN_SW_FLAGS TCR_TBI1 | TCR_TBID1
 #else
-#define TCR_KASAN_FLAGS 0
+#define TCR_KASAN_SW_FLAGS 0
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+#define TCR_MTE_FLAGS SYS_TCR_EL1_TCMA1 | TCR_TBI1 | TCR_TBID1
+#elif defined(CONFIG_ARM64_MTE)
+/*
+ * The mte_zero_clear_page_tags() implementation uses DC GZVA, which relies on
+ * TBI being enabled at EL1.
+ */
+#define TCR_MTE_FLAGS TCR_TBI1 | TCR_TBID1
+#else
+#define TCR_MTE_FLAGS 0
 #endif
 
 /*
  * Default MAIR_EL1. MT_NORMAL_TAGGED is initially mapped as Normal memory and
- * changed during __cpu_setup to Normal Tagged if the system supports MTE.
+ * changed during mte_cpu_setup to Normal Tagged if the system supports MTE.
  */
 #define MAIR_EL1_SET							\
 	(MAIR_ATTRIDX(MAIR_ATTR_DEVICE_nGnRnE, MT_DEVICE_nGnRnE) |	\
@@ -56,7 +68,8 @@
 	 MAIR_ATTRIDX(MAIR_ATTR_NORMAL_NC, MT_NORMAL_NC) |		\
 	 MAIR_ATTRIDX(MAIR_ATTR_NORMAL, MT_NORMAL) |			\
 	 MAIR_ATTRIDX(MAIR_ATTR_NORMAL_WT, MT_NORMAL_WT) |		\
-	 MAIR_ATTRIDX(MAIR_ATTR_NORMAL, MT_NORMAL_TAGGED))
+	 MAIR_ATTRIDX(MAIR_ATTR_NORMAL, MT_NORMAL_TAGGED) |		\
+	 MAIR_ATTRIDX(MAIR_ATTR_NORMAL_iNC_oWB, MT_NORMAL_iNC_oWB))
 
 #ifdef CONFIG_CPU_PM
 /**
@@ -285,17 +298,7 @@
 	/* We're done: fire up the MMU again */
 	mrs	x17, sctlr_el1
 	orr	x17, x17, #SCTLR_ELx_M
-	msr	sctlr_el1, x17
-	isb
-
-	/*
-	 * Invalidate the local I-cache so that any instructions fetched
-	 * speculatively from the PoC are discarded, since they may have
-	 * been dynamically patched at the PoU.
-	 */
-	ic	iallu
-	dsb	nsh
-	isb
+	set_sctlr_el1	x17
 
 	/* Set the flag to zero to indicate that we're all done */
 	str	wzr, [flag_ptr]
@@ -426,49 +429,15 @@
 	 * Memory region attributes
 	 */
 	mov_q	x5, MAIR_EL1_SET
-#ifdef CONFIG_ARM64_MTE
-	/*
-	 * Update MAIR_EL1, GCR_EL1 and TFSR*_EL1 if MTE is supported
-	 * (ID_AA64PFR1_EL1[11:8] > 1).
-	 */
-	mrs	x10, ID_AA64PFR1_EL1
-	ubfx	x10, x10, #ID_AA64PFR1_MTE_SHIFT, #4
-	cmp	x10, #ID_AA64PFR1_MTE
-	b.lt	1f
-
-	/* Normal Tagged memory type at the corresponding MAIR index */
-	mov	x10, #MAIR_ATTR_NORMAL_TAGGED
-	bfi	x5, x10, #(8 *  MT_NORMAL_TAGGED), #8
-
-	/* initialize GCR_EL1: all non-zero tags excluded by default */
-	mov	x10, #(SYS_GCR_EL1_RRND | SYS_GCR_EL1_EXCL_MASK)
-	msr_s	SYS_GCR_EL1, x10
-
-	/*
-	 * If GCR_EL1.RRND=1 is implemented the same way as RRND=0, then
-	 * RGSR_EL1.SEED must be non-zero for IRG to produce
-	 * pseudorandom numbers. As RGSR_EL1 is UNKNOWN out of reset, we
-	 * must initialize it.
-	 */
-	mrs	x10, CNTVCT_EL0
-	ands	x10, x10, #SYS_RGSR_EL1_SEED_MASK
-	csinc	x10, x10, xzr, ne
-	lsl	x10, x10, #SYS_RGSR_EL1_SEED_SHIFT
-	msr_s	SYS_RGSR_EL1, x10
-
-	/* clear any pending tag check faults in TFSR*_EL1 */
-	msr_s	SYS_TFSR_EL1, xzr
-	msr_s	SYS_TFSRE0_EL1, xzr
-1:
-#endif
 	msr	mair_el1, x5
 	/*
-	 * Set/prepare TCR and TTBR. We use 512GB (39-bit) address range for
-	 * both user and kernel.
+	 * Set/prepare TCR and TTBR. TCR_EL1.T1SZ gets further
+	 * adjusted if the kernel is compiled with 52bit VA support.
 	 */
 	mov_q	x10, TCR_TxSZ(VA_BITS) | TCR_CACHE_FLAGS | TCR_SMP_FLAGS | \
 			TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \
-			TCR_TBI0 | TCR_A1 | TCR_KASAN_FLAGS
+			TCR_TBI0 | TCR_A1 | TCR_KASAN_SW_FLAGS | TCR_MTE_FLAGS
+
 	tcr_clear_errata_bits x10, x9, x5
 
 #ifdef CONFIG_ARM64_VA_BITS_52
@@ -501,6 +470,6 @@
 	/*
 	 * Prepare SCTLR
 	 */
-	mov_q	x0, SCTLR_EL1_SET
+	mov_q	x0, INIT_SCTLR_EL1_MMU_ON
 	ret					// return to head.S
 SYM_FUNC_END(__cpu_setup)
diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c
index 807dc63..bf8ddea 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -29,7 +29,7 @@
 enum address_markers_idx {
 	PAGE_OFFSET_NR = 0,
 	PAGE_END_NR,
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	KASAN_START_NR,
 #endif
 };
@@ -37,12 +37,10 @@
 static struct addr_marker address_markers[] = {
 	{ PAGE_OFFSET,			"Linear Mapping start" },
 	{ 0 /* PAGE_END */,		"Linear Mapping end" },
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	{ 0 /* KASAN_SHADOW_START */,	"Kasan shadow start" },
 	{ KASAN_SHADOW_END,		"Kasan shadow end" },
 #endif
-	{ BPF_JIT_REGION_START,		"BPF start" },
-	{ BPF_JIT_REGION_END,		"BPF end" },
 	{ MODULES_VADDR,		"Modules start" },
 	{ MODULES_END,			"Modules end" },
 	{ VMALLOC_START,		"vmalloc() area" },
@@ -383,7 +381,7 @@
 static int ptdump_init(void)
 {
 	address_markers[PAGE_END_NR].start_address = PAGE_END;
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	address_markers[KASAN_START_NR].start_address = KASAN_SHADOW_START;
 #endif
 	ptdump_initialize();
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index 18627cb..54c9138 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -17,6 +17,7 @@
 #include <asm/cacheflush.h>
 #include <asm/debug-monitors.h>
 #include <asm/set_memory.h>
+#include <trace/hooks/memory.h>
 
 #include "bpf_jit.h"
 
@@ -1115,6 +1116,8 @@
 			goto out_off;
 		}
 		bpf_jit_binary_lock_ro(header);
+		trace_android_vh_set_memory_ro((unsigned long)header, header->pages);
+		trace_android_vh_set_memory_x((unsigned long)header, header->pages);
 	} else {
 		jit_data->ctx = ctx;
 		jit_data->image = image_ptr;
@@ -1145,15 +1148,13 @@
 
 u64 bpf_jit_alloc_exec_limit(void)
 {
-	return BPF_JIT_REGION_SIZE;
+	return VMALLOC_END - VMALLOC_START;
 }
 
 void *bpf_jit_alloc_exec(unsigned long size)
 {
-	return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_START,
-				    BPF_JIT_REGION_END, GFP_KERNEL,
-				    PAGE_KERNEL, 0, NUMA_NO_NODE,
-				    __builtin_return_address(0));
+	/* Memory is intended to be executable, reset the pointer tag. */
+	return kasan_reset_tag(vmalloc(size));
 }
 
 void bpf_jit_free_exec(void *addr)
diff --git a/arch/csky/include/asm/Kbuild b/arch/csky/include/asm/Kbuild
index 2a5a4d9..cc24bb8 100644
--- a/arch/csky/include/asm/Kbuild
+++ b/arch/csky/include/asm/Kbuild
@@ -3,6 +3,5 @@
 generic-y += gpio.h
 generic-y += kvm_para.h
 generic-y += qrwlock.h
-generic-y += seccomp.h
 generic-y += user.h
 generic-y += vmlinux.lds.h
diff --git a/arch/csky/include/asm/seccomp.h b/arch/csky/include/asm/seccomp.h
new file mode 100644
index 0000000..d33e758
--- /dev/null
+++ b/arch/csky/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_CSKY
+#define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME	"csky"
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/h8300/boot/compressed/Makefile b/arch/h8300/boot/compressed/Makefile
index 5942793..6ab2fa5 100644
--- a/arch/h8300/boot/compressed/Makefile
+++ b/arch/h8300/boot/compressed/Makefile
@@ -30,9 +30,11 @@
 
 suffix-$(CONFIG_KERNEL_GZIP)    := gzip
 suffix-$(CONFIG_KERNEL_LZO)     := lzo
+compress-$(CONFIG_KERNEL_GZIP)  := gzip
+compress-$(CONFIG_KERNEL_LZO)   := lzo_with_size
 
 $(obj)/vmlinux.bin.$(suffix-y): $(obj)/vmlinux.bin FORCE
-	$(call if_changed,$(suffix-y))
+	$(call if_changed,$(compress-y))
 
 LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300-linux -T
 OBJCOPYFLAGS := -O binary
diff --git a/arch/h8300/include/uapi/asm/signal.h b/arch/h8300/include/uapi/asm/signal.h
index e155210..2cd0dce 100644
--- a/arch/h8300/include/uapi/asm/signal.h
+++ b/arch/h8300/include/uapi/asm/signal.h
@@ -57,30 +57,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	_NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002 /* not supported yet */
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
 #define SA_RESTORER	0x04000000
 
 #define MINSIGSTKSZ	2048
diff --git a/arch/ia64/include/asm/page.h b/arch/ia64/include/asm/page.h
index b69a549..15b105e 100644
--- a/arch/ia64/include/asm/page.h
+++ b/arch/ia64/include/asm/page.h
@@ -82,16 +82,16 @@
 } while (0)
 
 
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr)		\
+#define alloc_zeroed_user_highpage_movable(vma, vaddr)			\
 ({									\
 	struct page *page = alloc_page_vma(				\
-		GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr);	\
+		GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vaddr);		\
 	if (page)							\
  		flush_dcache_page(page);				\
 	page;								\
 })
 
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
 
 #define virt_addr_valid(kaddr)	pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
 
diff --git a/arch/ia64/include/uapi/asm/signal.h b/arch/ia64/include/uapi/asm/signal.h
index aa98ff1..38166a8 100644
--- a/arch/ia64/include/uapi/asm/signal.h
+++ b/arch/ia64/include/uapi/asm/signal.h
@@ -53,30 +53,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	_NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
 #define SA_RESTORER	0x04000000
 
 /*
diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
index b96ed8b..f2b90e4 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -361,3 +361,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index 292a28a..921db95 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -25,7 +25,8 @@
 EXPORT_SYMBOL(hpage_shift);
 
 pte_t *
-huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz)
+huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
+	       unsigned long addr, unsigned long sz)
 {
 	unsigned long taddr = htlbpage_to_page(addr);
 	pgd_t *pgd;
diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h
index 6bbe520..56f1b13 100644
--- a/arch/m68k/include/asm/page_no.h
+++ b/arch/m68k/include/asm/page_no.h
@@ -13,9 +13,9 @@
 #define clear_user_page(page, vaddr, pg)	clear_page(page)
 #define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
 
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
-	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+	alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
 
 #define __pa(vaddr)		((unsigned long)(vaddr))
 #define __va(paddr)		((void *)((unsigned long)(paddr)))
diff --git a/arch/m68k/include/uapi/asm/signal.h b/arch/m68k/include/uapi/asm/signal.h
index 915cc75..4619291 100644
--- a/arch/m68k/include/uapi/asm/signal.h
+++ b/arch/m68k/include/uapi/asm/signal.h
@@ -57,30 +57,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	_NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
 #define MINSIGSTKSZ	2048
 #define SIGSTKSZ	8192
 
diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl
index 625fb6d..a2715bc 100644
--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl
@@ -440,3 +440,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl
index aae729c..5b9f116 100644
--- a/arch/microblaze/kernel/syscalls/syscall.tbl
+++ b/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -446,3 +446,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index eae0fad..69eda7ab 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -71,12 +71,12 @@
 	$(call if_changed,objcopy)
 
 tool_$(CONFIG_KERNEL_GZIP)    = gzip
-tool_$(CONFIG_KERNEL_BZIP2)   = bzip2
-tool_$(CONFIG_KERNEL_LZ4)     = lz4
-tool_$(CONFIG_KERNEL_LZMA)    = lzma
-tool_$(CONFIG_KERNEL_LZO)     = lzo
-tool_$(CONFIG_KERNEL_XZ)      = xzkern
-tool_$(CONFIG_KERNEL_ZSTD)    = zstd22
+tool_$(CONFIG_KERNEL_BZIP2)   = bzip2_with_size
+tool_$(CONFIG_KERNEL_LZ4)     = lz4_with_size
+tool_$(CONFIG_KERNEL_LZMA)    = lzma_with_size
+tool_$(CONFIG_KERNEL_LZO)     = lzo_with_size
+tool_$(CONFIG_KERNEL_XZ)      = xzkern_with_size
+tool_$(CONFIG_KERNEL_ZSTD)    = zstd22_with_size
 
 targets += vmlinux.bin.z
 $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
diff --git a/arch/mips/include/uapi/asm/signal.h b/arch/mips/include/uapi/asm/signal.h
index 53104b1..e6c78a1 100644
--- a/arch/mips/include/uapi/asm/signal.h
+++ b/arch/mips/include/uapi/asm/signal.h
@@ -62,18 +62,6 @@
 #define SIGRTMAX	_NSIG
 
 /*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- *
  * SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
  * supported its use and no libc was using it, so the entire sa-restorer
  * functionality was removed with lmo commit 39bffc12c3580ab for 2.5.48
diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h
index d0a9ed2..ff3ab77 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -135,6 +135,8 @@
 
 #define SO_DETACH_REUSEPORT_BPF 68
 
+#define SO_NETNS_COOKIE		71
+
 #if !defined(__KERNEL__)
 
 #if __BITS_PER_LONG == 64
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 32817c9..2ee36d9 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -379,3 +379,5 @@
 438	n32	pidfd_getfd			sys_pidfd_getfd
 439	n32	faccessat2			sys_faccessat2
 440	n32	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	n32	process_mrelease		sys_process_mrelease
diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
index 9e4ea3c..d7ee167 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -355,3 +355,5 @@
 438	n64	pidfd_getfd			sys_pidfd_getfd
 439	n64	faccessat2			sys_faccessat2
 440	n64	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	n64	process_mrelease		sys_process_mrelease
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 29f5f28..03f0ff8 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -428,3 +428,5 @@
 438	o32	pidfd_getfd			sys_pidfd_getfd
 439	o32	faccessat2			sys_faccessat2
 440	o32	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	o32	process_mrelease		sys_process_mrelease
diff --git a/arch/mips/loongson64/Platform b/arch/mips/loongson64/Platform
index e2354e1..3e660d6 100644
--- a/arch/mips/loongson64/Platform
+++ b/arch/mips/loongson64/Platform
@@ -13,7 +13,7 @@
 # can't easily be used safely within the kbuild framework.
 #
 ifeq ($(call cc-ifversion, -ge, 0409, y), y)
-  ifeq ($(call ld-ifversion, -ge, 225000000, y), y)
+  ifeq ($(call ld-ifversion, -ge, 22500, y), y)
     cflags-$(CONFIG_CPU_LOONGSON64)  += \
       $(call cc-option,-march=loongson3a -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64)
   else
diff --git a/arch/mips/mm/hugetlbpage.c b/arch/mips/mm/hugetlbpage.c
index 77ffece..709e0bb 100644
--- a/arch/mips/mm/hugetlbpage.c
+++ b/arch/mips/mm/hugetlbpage.c
@@ -21,8 +21,8 @@
 #include <asm/tlb.h>
 #include <asm/tlbflush.h>
 
-pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr,
-		      unsigned long sz)
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
+		      unsigned long addr, unsigned long sz)
 {
 	pgd_t *pgd;
 	p4d_t *p4d;
diff --git a/arch/mips/vdso/Kconfig b/arch/mips/vdso/Kconfig
index 7aec721..a665f61 100644
--- a/arch/mips/vdso/Kconfig
+++ b/arch/mips/vdso/Kconfig
@@ -12,7 +12,7 @@
 # the lack of relocations. As such, we disable the VDSO for microMIPS builds.
 
 config MIPS_LD_CAN_LINK_VDSO
-	def_bool LD_VERSION >= 225000000 || LD_IS_LLD
+	def_bool LD_VERSION >= 22500 || LD_IS_LLD
 
 config MIPS_DISABLE_VDSO
 	def_bool CPU_MICROMIPS || (!CPU_MIPSR6 && !MIPS_LD_CAN_LINK_VDSO)
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 07a4d4b..149269e 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -62,6 +62,7 @@
 	select HAVE_KRETPROBES
 	select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1)
 	select HAVE_FTRACE_MCOUNT_RECORD if HAVE_DYNAMIC_FTRACE
+	select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE
 	select HAVE_KPROBES_ON_FTRACE
 	select HAVE_DYNAMIC_FTRACE_WITH_REGS
 	select SET_FS
diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile
index dff4536..c09300a 100644
--- a/arch/parisc/boot/compressed/Makefile
+++ b/arch/parisc/boot/compressed/Makefile
@@ -73,15 +73,15 @@
 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
 	$(call if_changed,gzip)
 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
-	$(call if_changed,bzip2)
+	$(call if_changed,bzip2_with_size)
 $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
-	$(call if_changed,lz4)
+	$(call if_changed,lz4_with_size)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
-	$(call if_changed,lzma)
+	$(call if_changed,lzma_with_size)
 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
-	$(call if_changed,lzo)
+	$(call if_changed,lzo_with_size)
 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
-	$(call if_changed,xzkern)
+	$(call if_changed,xzkern_with_size)
 
 LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index a1bd2ad..4406475 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -4,5 +4,4 @@
 generated-y += syscall_table_c32.h
 generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
-generic-y += seccomp.h
 generic-y += user.h
diff --git a/arch/parisc/include/asm/seccomp.h b/arch/parisc/include/asm/seccomp.h
new file mode 100644
index 0000000..b058b22
--- /dev/null
+++ b/arch/parisc/include/asm/seccomp.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#ifdef CONFIG_64BIT
+# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_PARISC64
+# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"parisc64"
+# ifdef CONFIG_COMPAT
+#  define SECCOMP_ARCH_COMPAT		AUDIT_ARCH_PARISC
+#  define SECCOMP_ARCH_COMPAT_NR	NR_syscalls
+#  define SECCOMP_ARCH_COMPAT_NAME	"parisc"
+# endif
+#else /* !CONFIG_64BIT */
+# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_PARISC
+# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"parisc"
+#endif
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/parisc/include/uapi/asm/signal.h b/arch/parisc/include/uapi/asm/signal.h
index e605197..e5a2657 100644
--- a/arch/parisc/include/uapi/asm/signal.h
+++ b/arch/parisc/include/uapi/asm/signal.h
@@ -41,19 +41,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	_NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
 #define SA_ONSTACK	0x00000001
 #define SA_RESETHAND	0x00000004
 #define SA_NOCLDSTOP	0x00000008
@@ -68,14 +55,7 @@
 #define MINSIGSTKSZ	2048
 #define SIGSTKSZ	8192
 
-
-#define SIG_BLOCK          0	/* for blocking signals */
-#define SIG_UNBLOCK        1	/* for unblocking signals */
-#define SIG_SETMASK        2	/* for setting the signal mask */
-
-#define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
-#define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
-#define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
+#include <asm-generic/signal-defs.h>
 
 # ifndef __ASSEMBLY__
 
@@ -84,18 +64,6 @@
 /* Avoid too many header ordering problems.  */
 struct siginfo;
 
-/* Type of a signal handler.  */
-#if defined(__LP64__)
-/* function pointers on 64-bit parisc are pointers to little structs and the
- * compiler doesn't support code which changes or tests the address of
- * the function in the little struct.  This is really ugly -PB
- */
-typedef char __user *__sighandler_t;
-#else
-typedef void __signalfn_t(int);
-typedef __signalfn_t __user *__sighandler_t;
-#endif
-
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h
index 10173c3..1a8ec38 100644
--- a/arch/parisc/include/uapi/asm/socket.h
+++ b/arch/parisc/include/uapi/asm/socket.h
@@ -116,6 +116,8 @@
 
 #define SO_DETACH_REUSEPORT_BPF 0x4042
 
+#define SO_NETNS_COOKIE		0x4045
+
 #if !defined(__KERNEL__)
 
 #if __BITS_PER_LONG == 64
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index dfe9254..14fd2a0 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -438,3 +438,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c
index 43652de..d1d3990 100644
--- a/arch/parisc/mm/hugetlbpage.c
+++ b/arch/parisc/mm/hugetlbpage.c
@@ -44,7 +44,7 @@
 }
 
 
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long addr, unsigned long sz)
 {
 	pgd_t *pgd;
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 912e64a..255f0fe 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -48,7 +48,7 @@
 ifdef CONFIG_PPC32
 KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
 else
-ifeq ($(call ld-ifversion, -ge, 225000000, y),y)
+ifeq ($(call ld-ifversion, -ge, 22500, y),y)
 # Have the linker provide sfpr if possible.
 # There is a corresponding test in arch/powerpc/lib/Makefile
 KBUILD_LDFLAGS_MODULE += --save-restore-funcs
diff --git a/arch/powerpc/include/asm/seccomp.h b/arch/powerpc/include/asm/seccomp.h
index 51209f6..ac2033f 100644
--- a/arch/powerpc/include/asm/seccomp.h
+++ b/arch/powerpc/include/asm/seccomp.h
@@ -8,4 +8,27 @@
 
 #include <asm-generic/seccomp.h>
 
+#ifdef __LITTLE_ENDIAN__
+#define __SECCOMP_ARCH_LE		__AUDIT_ARCH_LE
+#define __SECCOMP_ARCH_LE_NAME		"le"
+#else
+#define __SECCOMP_ARCH_LE		0
+#define __SECCOMP_ARCH_LE_NAME
+#endif
+
+#ifdef CONFIG_PPC64
+# define SECCOMP_ARCH_NATIVE		(AUDIT_ARCH_PPC64 | __SECCOMP_ARCH_LE)
+# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"ppc64" __SECCOMP_ARCH_LE_NAME
+# ifdef CONFIG_COMPAT
+#  define SECCOMP_ARCH_COMPAT		(AUDIT_ARCH_PPC | __SECCOMP_ARCH_LE)
+#  define SECCOMP_ARCH_COMPAT_NR	NR_syscalls
+#  define SECCOMP_ARCH_COMPAT_NAME	"ppc" __SECCOMP_ARCH_LE_NAME
+# endif
+#else /* !CONFIG_PPC64 */
+# define SECCOMP_ARCH_NATIVE		(AUDIT_ARCH_PPC | __SECCOMP_ARCH_LE)
+# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"ppc" __SECCOMP_ARCH_LE_NAME
+#endif
+
 #endif	/* _ASM_POWERPC_SECCOMP_H */
diff --git a/arch/powerpc/include/uapi/asm/signal.h b/arch/powerpc/include/uapi/asm/signal.h
index 85b0a7a..04873dd 100644
--- a/arch/powerpc/include/uapi/asm/signal.h
+++ b/arch/powerpc/include/uapi/asm/signal.h
@@ -60,30 +60,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	_NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001U
-#define SA_NOCLDWAIT	0x00000002U
-#define SA_SIGINFO	0x00000004U
-#define SA_ONSTACK	0x08000000U
-#define SA_RESTART	0x10000000U
-#define SA_NODEFER	0x40000000U
-#define SA_RESETHAND	0x80000000U
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
 #define SA_RESTORER	0x04000000U
 
 #define MINSIGSTKSZ	2048
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 1275dae..1249444 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -530,3 +530,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 321cab5..91058b1 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -37,7 +37,7 @@
 # 64-bit linker creates .sfpr on demand for final link (vmlinux),
 # so it is only needed for modules, and only for older linkers which
 # do not support --save-restore-funcs
-ifeq ($(call ld-ifversion, -lt, 225000000, y),y)
+ifeq ($(call ld-ifversion, -lt, 22500, y),y)
 always-$(CONFIG_PPC64)	+= crtsavres.o
 endif
 
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 36c3800..2514884 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -106,7 +106,8 @@
  * At this point we do the placement change only for BOOK3S 64. This would
  * possibly work on other subarchs.
  */
-pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz)
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
+		      unsigned long addr, unsigned long sz)
 {
 	pgd_t *pg;
 	p4d_t *p4;
diff --git a/arch/powerpc/platforms/pseries/svm.c b/arch/powerpc/platforms/pseries/svm.c
index 7b739cc..87f001b 100644
--- a/arch/powerpc/platforms/pseries/svm.c
+++ b/arch/powerpc/platforms/pseries/svm.c
@@ -55,14 +55,17 @@
 	if (vstart && !swiotlb_init_with_tbl(vstart, io_tlb_nslabs, false))
 		return;
 
-	if (io_tlb_start)
-		memblock_free_early(io_tlb_start,
-				    PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
+
+	memblock_free_early(__pa(vstart),
+			    PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
 	panic("SVM: Cannot allocate SWIOTLB buffer");
 }
 
 int set_memory_encrypted(unsigned long addr, int numpages)
 {
+	if (!mem_encrypt_active())
+		return 0;
+
 	if (!PAGE_ALIGNED(addr))
 		return -EINVAL;
 
@@ -73,6 +76,9 @@
 
 int set_memory_decrypted(unsigned long addr, int numpages)
 {
+	if (!mem_encrypt_active())
+		return 0;
+
 	if (!PAGE_ALIGNED(addr))
 		return -EINVAL;
 
diff --git a/arch/riscv/include/asm/seccomp.h b/arch/riscv/include/asm/seccomp.h
index bf7744e..c7ee6a3 100644
--- a/arch/riscv/include/asm/seccomp.h
+++ b/arch/riscv/include/asm/seccomp.h
@@ -7,4 +7,14 @@
 
 #include <asm-generic/seccomp.h>
 
+#ifdef CONFIG_64BIT
+# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_RISCV64
+# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"riscv64"
+#else /* !CONFIG_64BIT */
+# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_RISCV32
+# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"riscv32"
+#endif
+
 #endif /* _ASM_SECCOMP_H */
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index b235ed95..0e4b585 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -49,15 +49,15 @@
 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
 	$(call if_changed,gzip)
 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,bzip2)
+	$(call if_changed,bzip2_with_size)
 $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lz4)
+	$(call if_changed,lz4_with_size)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lzma)
+	$(call if_changed,lzma_with_size)
 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lzo)
+	$(call if_changed,lzo_with_size)
 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,xzkern)
+	$(call if_changed,xzkern_with_size)
 
 OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.bin.compressed
 $(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) FORCE
diff --git a/arch/s390/boot/string.c b/arch/s390/boot/string.c
index b11e810..faccb33 100644
--- a/arch/s390/boot/string.c
+++ b/arch/s390/boot/string.c
@@ -3,6 +3,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #undef CONFIG_KASAN
+#undef CONFIG_KASAN_GENERIC
 #include "../lib/string.c"
 
 int strncmp(const char *cs, const char *ct, size_t count)
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 812730e..1023e9d 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -21,6 +21,7 @@
 #include <crypto/algapi.h>
 #include <crypto/ghash.h>
 #include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/scatterwalk.h>
 #include <linux/err.h>
@@ -1055,3 +1056,4 @@
 
 MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index cc98f9b..479dc76 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -68,9 +68,9 @@
 #define clear_user_page(page, vaddr, pg)	clear_page(page)
 #define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
 
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
-	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+	alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
 
 /*
  * These are used to make use of C type-checking..
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
index 60e101b..5bf8186 100644
--- a/arch/s390/include/asm/preempt.h
+++ b/arch/s390/include/asm/preempt.h
@@ -29,6 +29,12 @@
 				  old, new) != old);
 }
 
+#define init_task_preempt_count(p)	do { } while (0)
+
+#define init_idle_preempt_count(p, cpu)	do { \
+	S390_lowcore.preempt_count = PREEMPT_DISABLED; \
+} while (0)
+
 static inline void set_preempt_need_resched(void)
 {
 	__atomic_and(~PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
@@ -89,6 +95,12 @@
 	S390_lowcore.preempt_count = pc;
 }
 
+#define init_task_preempt_count(p)	do { } while (0)
+
+#define init_idle_preempt_count(p, cpu)	do { \
+	S390_lowcore.preempt_count = PREEMPT_DISABLED; \
+} while (0)
+
 static inline void set_preempt_need_resched(void)
 {
 }
@@ -125,10 +137,6 @@
 
 #endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
 
-#define init_task_preempt_count(p)	do { } while (0)
-/* Deferred to CPU bringup time */
-#define init_idle_preempt_count(p, cpu)	do { } while (0)
-
 #ifdef CONFIG_PREEMPTION
 extern asmlinkage void preempt_schedule(void);
 #define __preempt_schedule() preempt_schedule()
diff --git a/arch/s390/include/asm/seccomp.h b/arch/s390/include/asm/seccomp.h
index 795bbe0..71d46f0 100644
--- a/arch/s390/include/asm/seccomp.h
+++ b/arch/s390/include/asm/seccomp.h
@@ -16,4 +16,13 @@
 
 #include <asm-generic/seccomp.h>
 
+#define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_S390X
+#define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME	"s390x"
+#ifdef CONFIG_COMPAT
+# define SECCOMP_ARCH_COMPAT		AUDIT_ARCH_S390
+# define SECCOMP_ARCH_COMPAT_NR		NR_syscalls
+# define SECCOMP_ARCH_COMPAT_NAME	"s390"
+#endif
+
 #endif	/* _ASM_S390_SECCOMP_H */
diff --git a/arch/s390/include/uapi/asm/signal.h b/arch/s390/include/uapi/asm/signal.h
index 9a14a61..0189f32 100644
--- a/arch/s390/include/uapi/asm/signal.h
+++ b/arch/s390/include/uapi/asm/signal.h
@@ -65,30 +65,6 @@
 #define SIGRTMIN        32
 #define SIGRTMAX        _NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP    0x00000001
-#define SA_NOCLDWAIT    0x00000002
-#define SA_SIGINFO      0x00000004
-#define SA_ONSTACK      0x08000000
-#define SA_RESTART      0x10000000
-#define SA_NODEFER      0x40000000
-#define SA_RESETHAND    0x80000000
-
-#define SA_NOMASK       SA_NODEFER
-#define SA_ONESHOT      SA_RESETHAND
-
 #define SA_RESTORER     0x04000000
 
 #define MINSIGSTKSZ     2048
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index b81bc96..d76037a 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -34,14 +34,15 @@
 
 void *module_alloc(unsigned long size)
 {
+	gfp_t gfp_mask = GFP_KERNEL;
 	void *p;
 
 	if (PAGE_ALIGN(size) > MODULES_LEN)
 		return NULL;
 	p = __vmalloc_node_range(size, MODULE_ALIGN, MODULES_VADDR, MODULES_END,
-				 GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE,
+				 gfp_mask, PAGE_KERNEL_EXEC, VM_DEFER_KMEMLEAK, NUMA_NO_NODE,
 				 __builtin_return_address(0));
-	if (p && (kasan_module_alloc(p, size) < 0)) {
+	if (p && (kasan_alloc_module_shadow(p, size, gfp_mask) < 0)) {
 		vfree(p);
 		return NULL;
 	}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 520cf5a..fd64d73 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -454,7 +454,6 @@
 	lc->br_r1_trampoline = 0x07f1;	/* br %r1 */
 	lc->return_lpswe = gen_lpswe(__LC_RETURN_PSW);
 	lc->return_mcck_lpswe = gen_lpswe(__LC_RETURN_MCCK_PSW);
-	lc->preempt_count = PREEMPT_DISABLED;
 
 	set_prefix((u32)(unsigned long) lc);
 	lowcore_ptr[0] = lc;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 5674792..7db5460 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -215,7 +215,6 @@
 	lc->br_r1_trampoline = 0x07f1;	/* br %r1 */
 	lc->return_lpswe = gen_lpswe(__LC_RETURN_PSW);
 	lc->return_mcck_lpswe = gen_lpswe(__LC_RETURN_MCCK_PSW);
-	lc->preempt_count = PREEMPT_DISABLED;
 	if (nmi_alloc_per_cpu(lc))
 		goto out_async;
 	if (vdso_alloc_per_cpu(lc))
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index 28c16800..9f0ff9f 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -443,3 +443,5 @@
 438  common	pidfd_getfd		sys_pidfd_getfd			sys_pidfd_getfd
 439  common	faccessat2		sys_faccessat2			sys_faccessat2
 440  common	process_madvise		sys_process_madvise		sys_process_madvise
+# 447 reserved for memfd_secret
+448  common	process_mrelease	sys_process_mrelease		sys_process_mrelease
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index 3b5a4d2..da36d13 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -189,7 +189,7 @@
 	return pte;
 }
 
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long addr, unsigned long sz)
 {
 	pgd_t *pgdp;
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 589d2d8..0525d8a 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -58,13 +58,13 @@
 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
 	$(call if_changed,gzip)
 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,bzip2)
+	$(call if_changed,bzip2_with_size)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lzma)
+	$(call if_changed,lzma_with_size)
 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,xzkern)
+	$(call if_changed,xzkern_with_size)
 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lzo)
+	$(call if_changed,lzo_with_size)
 
 OBJCOPYFLAGS += -R .empty_zero_page
 
diff --git a/arch/sh/include/asm/seccomp.h b/arch/sh/include/asm/seccomp.h
index 54111e4..d457839 100644
--- a/arch/sh/include/asm/seccomp.h
+++ b/arch/sh/include/asm/seccomp.h
@@ -8,4 +8,14 @@
 #define __NR_seccomp_exit __NR_exit
 #define __NR_seccomp_sigreturn __NR_rt_sigreturn
 
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+#define __SECCOMP_ARCH_LE		__AUDIT_ARCH_LE
+#else
+#define __SECCOMP_ARCH_LE		0
+#endif
+
+#define SECCOMP_ARCH_NATIVE		(AUDIT_ARCH_SH | __SECCOMP_ARCH_LE)
+#define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME	"sh"
+
 #endif /* __ASM_SECCOMP_H */
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index 7837384..8db3541 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -443,3 +443,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index 220d7bc..999ab59 100644
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -21,7 +21,7 @@
 #include <asm/tlbflush.h>
 #include <asm/cacheflush.h>
 
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long addr, unsigned long sz)
 {
 	pgd_t *pgd;
diff --git a/arch/sparc/include/uapi/asm/signal.h b/arch/sparc/include/uapi/asm/signal.h
index ff95059..53758d5 100644
--- a/arch/sparc/include/uapi/asm/signal.h
+++ b/arch/sparc/include/uapi/asm/signal.h
@@ -137,13 +137,11 @@
 #define SA_STACK	_SV_SSTACK
 #define SA_ONSTACK	_SV_SSTACK
 #define SA_RESTART	_SV_INTR
-#define SA_ONESHOT	_SV_RESET
+#define SA_RESETHAND	_SV_RESET
 #define SA_NODEFER	0x20u
 #define SA_NOCLDWAIT    0x100u
 #define SA_SIGINFO      0x200u
 
-#define SA_NOMASK	SA_NODEFER
-
 #define SIG_BLOCK          0x01	/* for blocking signals */
 #define SIG_UNBLOCK        0x02	/* for unblocking signals */
 #define SIG_SETMASK        0x04	/* for setting the signal mask */
diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h
index 8029b68..08f9bbb 100644
--- a/arch/sparc/include/uapi/asm/socket.h
+++ b/arch/sparc/include/uapi/asm/socket.h
@@ -117,6 +117,8 @@
 
 #define SO_DETACH_REUSEPORT_BPF  0x0047
 
+#define SO_NETNS_COOKIE          0x0050
+
 #if !defined(__KERNEL__)
 
 
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index 7816026..e451795 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -486,3 +486,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index ec423b5..ae06f7d 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -272,7 +272,7 @@
 	return size;
 }
 
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long addr, unsigned long sz)
 {
 	pgd_t *pgd;
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 3577118..9410424 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -480,7 +480,7 @@
 	irq_set_chip_and_handler(TIMER_IRQ, &SIGVTALRM_irq_type, handle_edge_irq);
 
 
-	for (i = 1; i <= LAST_IRQ; i++)
+	for (i = 1; i < NR_IRQS; i++)
 		irq_set_chip_and_handler(i, &normal_irq_type, handle_edge_irq);
 	/* Initialize EPOLL Loop */
 	os_setup_epoll();
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 6dc670e3..b2c0d5b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -26,6 +26,7 @@
 	# Options that are inherently 64-bit kernel only:
 	select ARCH_HAS_GIGANTIC_PAGE
 	select ARCH_SUPPORTS_INT128 if CC_HAS_INT128
+	select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
 	select ARCH_USE_CMPXCHG_LOCKREF
 	select HAVE_ARCH_SOFT_DIRTY
 	select MODULES_USE_ELF_RELA
@@ -76,6 +77,7 @@
 	select ARCH_HAS_PMEM_API		if X86_64
 	select ARCH_HAS_PTE_DEVMAP		if X86_64
 	select ARCH_HAS_PTE_SPECIAL
+	select ARCH_HAS_NONLEAF_PMD_YOUNG	if PGTABLE_LEVELS > 2
 	select ARCH_HAS_UACCESS_FLUSHCACHE	if X86_64
 	select ARCH_HAS_COPY_MC			if X86_64
 	select ARCH_HAS_SET_MEMORY
@@ -94,6 +96,8 @@
 	select ARCH_SUPPORTS_ACPI
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_NUMA_BALANCING	if X86_64
+	select ARCH_SUPPORTS_LTO_CLANG		if X86_64
+	select ARCH_SUPPORTS_LTO_CLANG_THIN	if X86_64
 	select ARCH_USE_BUILTIN_BSWAP
 	select ARCH_USE_QUEUED_RWLOCKS
 	select ARCH_USE_QUEUED_SPINLOCKS
@@ -147,6 +151,7 @@
 	select HAVE_ARCH_JUMP_LABEL_RELATIVE
 	select HAVE_ARCH_KASAN			if X86_64
 	select HAVE_ARCH_KASAN_VMALLOC		if X86_64
+	select HAVE_ARCH_KFENCE
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_MMAP_RND_BITS		if MMU
 	select HAVE_ARCH_MMAP_RND_COMPAT_BITS	if MMU && COMPAT
@@ -159,6 +164,7 @@
 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE
 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD if X86_64
 	select HAVE_ARCH_USERFAULTFD_WP         if X86_64 && USERFAULTFD
+	select HAVE_ARCH_USERFAULTFD_MINOR	if X86_64 && USERFAULTFD
 	select HAVE_ARCH_VMAP_STACK		if X86_64
 	select HAVE_ARCH_WITHIN_STACK_FRAMES
 	select HAVE_ASM_MODVERSIONS
@@ -166,6 +172,7 @@
 	select HAVE_CMPXCHG_LOCAL
 	select HAVE_CONTEXT_TRACKING		if X86_64
 	select HAVE_C_RECORDMCOUNT
+	select HAVE_OBJTOOL_MCOUNT		if STACK_VALIDATION
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_CONTIGUOUS
 	select HAVE_DYNAMIC_FTRACE
@@ -201,6 +208,7 @@
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
 	select HAVE_MOVE_PMD
+	select HAVE_MOVE_PUD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 1f79605..616cc9a 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -202,6 +202,12 @@
 
 KBUILD_LDFLAGS += -m elf_$(UTS_MACHINE)
 
+ifdef CONFIG_LTO_CLANG
+ifeq ($(shell test $(CONFIG_LLD_VERSION) -lt 130000; echo $$?),0)
+KBUILD_LDFLAGS	+= -plugin-opt=-stack-alignment=$(if $(CONFIG_X86_32),4,8)
+endif
+endif
+
 ifdef CONFIG_X86_NEED_RELOCS
 LDFLAGS_vmlinux := --emit-relocs --discard-none
 else
@@ -261,8 +267,11 @@
 
 PHONY += bzImage $(BOOT_TARGETS)
 
+# Don't compile Image in mixed build with "all" target
+ifndef KBUILD_MIXED_TREE
 # Default kernel to build
 all: bzImage
+endif
 
 # KBUILD_IMAGE specify target image being built
 KBUILD_IMAGE := $(boot)/bzImage
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index ad268a15..9911512 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -127,17 +127,17 @@
 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
 	$(call if_changed,gzip)
 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,bzip2)
+	$(call if_changed,bzip2_with_size)
 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lzma)
+	$(call if_changed,lzma_with_size)
 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,xzkern)
+	$(call if_changed,xzkern_with_size)
 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lzo)
+	$(call if_changed,lzo_with_size)
 $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,lz4)
+	$(call if_changed,lz4_with_size)
 $(obj)/vmlinux.bin.zst: $(vmlinux.bin.all-y) FORCE
-	$(call if_changed,zstd22)
+	$(call if_changed,zstd22_with_size)
 
 suffix-$(CONFIG_KERNEL_GZIP)	:= gz
 suffix-$(CONFIG_KERNEL_BZIP2)	:= bz2
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index d9a631c..901ea5eb 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -12,6 +12,7 @@
 #undef CONFIG_PARAVIRT_XXL
 #undef CONFIG_PARAVIRT_SPINLOCKS
 #undef CONFIG_KASAN
+#undef CONFIG_KASAN_GENERIC
 
 /* cpu_feature_enabled() cannot be used this early */
 #define USE_EARLY_PGTABLE_L5
diff --git a/arch/x86/configs/gki_defconfig b/arch/x86/configs/gki_defconfig
new file mode 100644
index 0000000..649e178
--- /dev/null
+++ b/arch/x86/configs/gki_defconfig
@@ -0,0 +1,643 @@
+CONFIG_KERNEL_LZ4=y
+# CONFIG_USELIB is not set
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_IRQ_TIME_ACCOUNTING=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_PSI=y
+CONFIG_RCU_EXPERT=y
+CONFIG_RCU_FAST_NO_HZ=y
+CONFIG_RCU_NOCB_CPU=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_IKHEADERS=y
+CONFIG_UCLAMP_TASK=y
+CONFIG_UCLAMP_BUCKETS_COUNT=20
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_UCLAMP_TASK_GROUP=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_BPF=y
+CONFIG_NAMESPACES=y
+# CONFIG_TIME_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+CONFIG_BOOT_CONFIG=y
+# CONFIG_SYSFS_SYSCALL is not set
+# CONFIG_FHANDLE is not set
+CONFIG_KALLSYMS_ALL=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_USERFAULTFD=y
+# CONFIG_RSEQ is not set
+CONFIG_EMBEDDED=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_SLAB_MERGE_DEFAULT is not set
+CONFIG_SLAB_FREELIST_RANDOM=y
+CONFIG_SLAB_FREELIST_HARDENED=y
+CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
+CONFIG_PROFILING=y
+# CONFIG_ZONE_DMA is not set
+CONFIG_SMP=y
+CONFIG_X86_X2APIC=y
+CONFIG_HYPERVISOR_GUEST=y
+CONFIG_PARAVIRT=y
+CONFIG_NR_CPUS=32
+# CONFIG_X86_MCE is not set
+CONFIG_EFI=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="stack_depot_disable=on cgroup_disable=pressure cgroup.memory=nokmem"
+CONFIG_PM_WAKELOCKS=y
+CONFIG_PM_WAKELOCKS_LIMIT=0
+# CONFIG_PM_WAKELOCKS_GC is not set
+CONFIG_PM_DEBUG=y
+CONFIG_PM_ADVANCED_DEBUG=y
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_FREQ_TIMES=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_IA32_EMULATION=y
+CONFIG_KVM=y
+CONFIG_KVM_INTEL=y
+CONFIG_KVM_AMD=y
+CONFIG_KPROBES=y
+CONFIG_JUMP_LABEL=y
+CONFIG_LTO_CLANG_FULL=y
+CONFIG_CFI_CLANG=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SCMVERSION=y
+CONFIG_MODULE_SIG=y
+CONFIG_MODULE_SIG_PROTECT=y
+CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_CGROUP_IOPRIO=y
+CONFIG_BLK_INLINE_ENCRYPTION=y
+CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
+CONFIG_IOSCHED_BFQ=y
+CONFIG_BFQ_GROUP_IOSCHED=y
+CONFIG_GKI_HACKS_TO_FIX=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_BINFMT_MISC=y
+CONFIG_MEMORY_HOTPLUG=y
+CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
+CONFIG_CLEANCACHE=y
+CONFIG_CMA=y
+CONFIG_CMA_DEBUGFS=y
+CONFIG_CMA_SYSFS=y
+CONFIG_CMA_AREAS=16
+CONFIG_READ_ONLY_THP_FOR_FS=y
+CONFIG_ANON_VMA_NAME=y
+CONFIG_LRU_GEN=y
+CONFIG_DAMON=y
+CONFIG_DAMON_PADDR=y
+CONFIG_DAMON_RECLAIM=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+CONFIG_XFRM_INTERFACE=y
+CONFIG_XFRM_MIGRATE=y
+CONFIG_XFRM_STATISTICS=y
+CONFIG_NET_KEY=y
+CONFIG_XDP_SOCKETS=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_NET_IPIP=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
+CONFIG_NET_IPVTI=y
+CONFIG_INET_ESP=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INET_DIAG_DESTROY=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_OPTIMISTIC_DAD=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+CONFIG_IPV6_MIP6=y
+CONFIG_IPV6_VTI=y
+CONFIG_IPV6_GRE=y
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CONNTRACK_AMANDA=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_H323=y
+CONFIG_NF_CONNTRACK_IRC=y
+CONFIG_NF_CONNTRACK_NETBIOS_NS=y
+CONFIG_NF_CONNTRACK_PPTP=y
+CONFIG_NF_CONNTRACK_SANE=y
+CONFIG_NF_CONNTRACK_TFTP=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_DSCP=y
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_TARGET_NFLOG=y
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
+CONFIG_NETFILTER_XT_TARGET_NOTRACK=y
+CONFIG_NETFILTER_XT_TARGET_TEE=y
+CONFIG_NETFILTER_XT_TARGET_TPROXY=y
+CONFIG_NETFILTER_XT_TARGET_TRACE=y
+CONFIG_NETFILTER_XT_TARGET_SECMARK=y
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_MATCH_COMMENT=y
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_DSCP=y
+CONFIG_NETFILTER_XT_MATCH_ESP=y
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_HELPER=y
+CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
+CONFIG_NETFILTER_XT_MATCH_LENGTH=y
+CONFIG_NETFILTER_XT_MATCH_LIMIT=y
+CONFIG_NETFILTER_XT_MATCH_MAC=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+CONFIG_NETFILTER_XT_MATCH_OWNER=y
+CONFIG_NETFILTER_XT_MATCH_POLICY=y
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG=y
+CONFIG_NETFILTER_XT_MATCH_SOCKET=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
+CONFIG_NETFILTER_XT_MATCH_STRING=y
+CONFIG_NETFILTER_XT_MATCH_TIME=y
+CONFIG_NETFILTER_XT_MATCH_U32=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_MATCH_ECN=y
+CONFIG_IP_NF_MATCH_TTL=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_TARGET_NETMAP=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
+CONFIG_IP_NF_MANGLE=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_SECURITY=y
+CONFIG_IP_NF_ARPTABLES=y
+CONFIG_IP_NF_ARPFILTER=y
+CONFIG_IP_NF_ARP_MANGLE=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_MATCH_RPFILTER=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_MANGLE=y
+CONFIG_IP6_NF_RAW=y
+CONFIG_TIPC=y
+CONFIG_L2TP=y
+CONFIG_BRIDGE=y
+CONFIG_VLAN_8021Q=y
+CONFIG_6LOWPAN=y
+CONFIG_IEEE802154=y
+CONFIG_IEEE802154_6LOWPAN=y
+CONFIG_MAC802154=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_HTB=y
+CONFIG_NET_SCH_PRIO=y
+CONFIG_NET_SCH_MULTIQ=y
+CONFIG_NET_SCH_SFQ=y
+CONFIG_NET_SCH_TBF=y
+CONFIG_NET_SCH_NETEM=y
+CONFIG_NET_SCH_CODEL=y
+CONFIG_NET_SCH_FQ_CODEL=y
+CONFIG_NET_SCH_FQ=y
+CONFIG_NET_SCH_INGRESS=y
+CONFIG_NET_CLS_BASIC=y
+CONFIG_NET_CLS_FW=y
+CONFIG_NET_CLS_U32=y
+CONFIG_CLS_U32_MARK=y
+CONFIG_NET_CLS_FLOW=y
+CONFIG_NET_CLS_BPF=y
+CONFIG_NET_CLS_MATCHALL=y
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_CMP=y
+CONFIG_NET_EMATCH_NBYTE=y
+CONFIG_NET_EMATCH_U32=y
+CONFIG_NET_EMATCH_META=y
+CONFIG_NET_EMATCH_TEXT=y
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_POLICE=y
+CONFIG_NET_ACT_GACT=y
+CONFIG_NET_ACT_MIRRED=y
+CONFIG_NET_ACT_SKBEDIT=y
+CONFIG_NET_ACT_BPF=y
+CONFIG_VSOCKETS=y
+CONFIG_CGROUP_NET_PRIO=y
+CONFIG_BPF_JIT=y
+CONFIG_CAN=y
+CONFIG_BT=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_HIDP=y
+CONFIG_BT_HCIBTSDIO=y
+CONFIG_BT_HCIUART=y
+CONFIG_BT_HCIUART_LL=y
+CONFIG_BT_HCIUART_BCM=y
+CONFIG_BT_HCIUART_QCA=y
+CONFIG_CFG80211=y
+CONFIG_NL80211_TESTMODE=y
+# CONFIG_CFG80211_DEFAULT_PS is not set
+# CONFIG_CFG80211_CRDA_SUPPORT is not set
+CONFIG_MAC80211=y
+CONFIG_RFKILL=y
+CONFIG_NFC=y
+CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_PCIEAER=y
+CONFIG_PCI_MSI=y
+CONFIG_PCI_IOV=y
+CONFIG_PCIE_DW_PLAT_EP=y
+CONFIG_PCI_ENDPOINT=y
+CONFIG_FW_LOADER_USER_HELPER=y
+# CONFIG_FW_CACHE is not set
+CONFIG_GNSS=y
+CONFIG_OF=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_SRAM=y
+CONFIG_UID_SYS_STATS=y
+CONFIG_SCSI=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_UFSHCD=y
+CONFIG_SCSI_UFSHCD_PCI=y
+CONFIG_SCSI_UFSHCD_PLATFORM=y
+CONFIG_SCSI_UFS_DWC_TC_PLATFORM=y
+CONFIG_SCSI_UFS_BSG=y
+CONFIG_SCSI_UFS_CRYPTO=y
+CONFIG_SCSI_UFS_HPB=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=y
+CONFIG_DM_DEFAULT_KEY=y
+CONFIG_DM_SNAPSHOT=y
+CONFIG_DM_UEVENT=y
+CONFIG_DM_VERITY=y
+CONFIG_DM_VERITY_FEC=y
+CONFIG_DM_BOW=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_WIREGUARD=y
+CONFIG_IFB=y
+CONFIG_MACSEC=y
+CONFIG_TUN=y
+CONFIG_VETH=y
+CONFIG_PPP=y
+CONFIG_PPP_BSDCOMP=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_MPPE=y
+CONFIG_PPTP=y
+CONFIG_PPPOL2TP=y
+CONFIG_USB_RTL8150=y
+CONFIG_USB_RTL8152=y
+CONFIG_USB_USBNET=y
+CONFIG_USB_NET_CDC_EEM=y
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+CONFIG_USB_NET_AQC111=y
+# CONFIG_WLAN_VENDOR_ADMTEK is not set
+# CONFIG_WLAN_VENDOR_ATH is not set
+# CONFIG_WLAN_VENDOR_ATMEL is not set
+# CONFIG_WLAN_VENDOR_BROADCOM is not set
+# CONFIG_WLAN_VENDOR_CISCO is not set
+# CONFIG_WLAN_VENDOR_INTEL is not set
+# CONFIG_WLAN_VENDOR_INTERSIL is not set
+# CONFIG_WLAN_VENDOR_MARVELL is not set
+# CONFIG_WLAN_VENDOR_MEDIATEK is not set
+# CONFIG_WLAN_VENDOR_RALINK is not set
+# CONFIG_WLAN_VENDOR_REALTEK is not set
+# CONFIG_WLAN_VENDOR_RSI is not set
+# CONFIG_WLAN_VENDOR_ST is not set
+# CONFIG_WLAN_VENDOR_TI is not set
+# CONFIG_WLAN_VENDOR_ZYDAS is not set
+# CONFIG_WLAN_VENDOR_QUANTENNA is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_MOUSE_PS2 is not set
+CONFIG_INPUT_JOYSTICK=y
+CONFIG_JOYSTICK_XPAD=y
+CONFIG_JOYSTICK_XPAD_FF=y
+CONFIG_JOYSTICK_XPAD_LEDS=y
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=y
+# CONFIG_VT is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=32
+CONFIG_SERIAL_8250_RUNTIME_UARTS=0
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_HW_RANDOM=y
+# CONFIG_DEVMEM is not set
+# CONFIG_DEVPORT is not set
+CONFIG_HPET=y
+# CONFIG_I2C_COMPAT is not set
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I3C=y
+CONFIG_SPI=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+# CONFIG_HWMON is not set
+CONFIG_THERMAL_NETLINK=y
+CONFIG_THERMAL_STATISTICS=y
+CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=100
+CONFIG_THERMAL_WRITABLE_TRIPS=y
+CONFIG_THERMAL_GOV_USER_SPACE=y
+CONFIG_CPU_THERMAL=y
+CONFIG_DEVFREQ_THERMAL=y
+CONFIG_THERMAL_EMULATION=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_MFD_SYSCON=y
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_RC_CORE=y
+# CONFIG_RC_MAP is not set
+CONFIG_LIRC=y
+CONFIG_BPF_LIRC_MODE2=y
+CONFIG_RC_DECODERS=y
+CONFIG_RC_DEVICES=y
+CONFIG_MEDIA_CEC_RC=y
+# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
+# CONFIG_MEDIA_DIGITAL_TV_SUPPORT is not set
+# CONFIG_MEDIA_RADIO_SUPPORT is not set
+# CONFIG_MEDIA_SDR_SUPPORT is not set
+# CONFIG_MEDIA_TEST_SUPPORT is not set
+CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_MEDIA_USB_SUPPORT=y
+CONFIG_USB_VIDEO_CLASS=y
+CONFIG_USB_GSPCA=y
+CONFIG_V4L_PLATFORM_DRIVERS=y
+CONFIG_V4L_MEM2MEM_DRIVERS=y
+CONFIG_DRM=y
+# CONFIG_DRM_FBDEV_EMULATION is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_HRTIMER=y
+CONFIG_SND_DYNAMIC_MINORS=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_DRIVERS is not set
+CONFIG_SND_USB_AUDIO=y
+CONFIG_SND_SOC=y
+CONFIG_HID_BATTERY_STRENGTH=y
+CONFIG_HIDRAW=y
+CONFIG_UHID=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BETOP_FF=y
+CONFIG_HID_PRODIKEYS=y
+CONFIG_HID_ELECOM=y
+CONFIG_HID_UCLOGIC=y
+CONFIG_HID_LOGITECH=y
+CONFIG_HID_LOGITECH_DJ=y
+CONFIG_HID_MAGICMOUSE=y
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MULTITOUCH=y
+CONFIG_HID_NINTENDO=y
+CONFIG_HID_PICOLCD=y
+CONFIG_HID_PLANTRONICS=y
+CONFIG_HID_PLAYSTATION=y
+CONFIG_PLAYSTATION_FF=y
+CONFIG_HID_ROCCAT=y
+CONFIG_HID_SONY=y
+CONFIG_SONY_FF=y
+CONFIG_HID_STEAM=y
+CONFIG_HID_WACOM=y
+CONFIG_HID_WIIMOTE=y
+CONFIG_USB_HIDDEV=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_ACM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_UAS=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_DUMMY_HCD=y
+CONFIG_USB_CONFIGFS=y
+CONFIG_USB_CONFIGFS_UEVENT=y
+CONFIG_USB_CONFIGFS_SERIAL=y
+CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
+CONFIG_USB_CONFIGFS_ECM=y
+CONFIG_USB_CONFIGFS_EEM=y
+CONFIG_USB_CONFIGFS_MASS_STORAGE=y
+CONFIG_USB_CONFIGFS_F_FS=y
+CONFIG_USB_CONFIGFS_F_ACC=y
+CONFIG_USB_CONFIGFS_F_AUDIO_SRC=y
+CONFIG_USB_CONFIGFS_F_MIDI=y
+CONFIG_USB_CONFIGFS_F_HID=y
+CONFIG_USB_CONFIGFS_F_UVC=y
+CONFIG_TYPEC=y
+CONFIG_TYPEC_TCPM=y
+CONFIG_TYPEC_TCPCI=y
+CONFIG_TYPEC_UCSI=y
+CONFIG_MMC=y
+# CONFIG_PWRSEQ_EMMC is not set
+# CONFIG_PWRSEQ_SIMPLE is not set
+CONFIG_MMC_CRYPTO=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_LEDS_CLASS_FLASH=y
+CONFIG_LEDS_CLASS_MULTICOLOR=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_TRANSIENT=y
+CONFIG_EDAC=y
+CONFIG_RTC_CLASS=y
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_SYSFS_STATS=y
+CONFIG_DMABUF_HEAPS_DEFERRED_FREE=y
+CONFIG_DMABUF_HEAPS_PAGE_POOL=y
+CONFIG_UIO=y
+# CONFIG_VIRTIO_MEM is not set
+CONFIG_VHOST_VSOCK=y
+CONFIG_STAGING=y
+CONFIG_ASHMEM=y
+CONFIG_DEBUG_KINFO=y
+CONFIG_REMOTEPROC=y
+CONFIG_REMOTEPROC_CDEV=y
+CONFIG_RPMSG_CHAR=y
+CONFIG_PM_DEVFREQ_EVENT=y
+CONFIG_IIO=y
+CONFIG_IIO_BUFFER=y
+CONFIG_IIO_TRIGGER=y
+CONFIG_POWERCAP=y
+CONFIG_DTPM=y
+CONFIG_ANDROID=y
+CONFIG_ANDROID_BINDER_IPC=y
+CONFIG_ANDROID_BINDERFS=y
+CONFIG_ANDROID_DEBUG_SYMBOLS=y
+CONFIG_ANDROID_VENDOR_HOOKS=y
+CONFIG_LIBNVDIMM=y
+# CONFIG_ND_BLK is not set
+CONFIG_INTERCONNECT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_F2FS_FS=y
+CONFIG_F2FS_FS_SECURITY=y
+CONFIG_F2FS_FS_COMPRESSION=y
+CONFIG_F2FS_UNFAIR_RWSEM=y
+CONFIG_FS_ENCRYPTION=y
+CONFIG_FS_ENCRYPTION_INLINE_CRYPT=y
+CONFIG_FS_VERITY=y
+CONFIG_FS_VERITY_BUILTIN_SIGNATURES=y
+# CONFIG_DNOTIFY is not set
+CONFIG_QUOTA=y
+CONFIG_QFMT_V2=y
+CONFIG_FUSE_FS=y
+CONFIG_VIRTIO_FS=y
+CONFIG_FUSE_BPF=y
+CONFIG_OVERLAY_FS=y
+CONFIG_INCREMENTAL_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_EXFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_EFIVAR_FS is not set
+CONFIG_PSTORE=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_PMSG=y
+CONFIG_PSTORE_RAM=y
+CONFIG_EROFS_FS=y
+CONFIG_EROFS_FS_PCPU_KTHREAD=y
+CONFIG_EROFS_FS_PCPU_KTHREAD_HIPRI=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=y
+CONFIG_NLS_CODEPAGE_775=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_855=y
+CONFIG_NLS_CODEPAGE_857=y
+CONFIG_NLS_CODEPAGE_860=y
+CONFIG_NLS_CODEPAGE_861=y
+CONFIG_NLS_CODEPAGE_862=y
+CONFIG_NLS_CODEPAGE_863=y
+CONFIG_NLS_CODEPAGE_864=y
+CONFIG_NLS_CODEPAGE_865=y
+CONFIG_NLS_CODEPAGE_866=y
+CONFIG_NLS_CODEPAGE_869=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_CODEPAGE_950=y
+CONFIG_NLS_CODEPAGE_932=y
+CONFIG_NLS_CODEPAGE_949=y
+CONFIG_NLS_CODEPAGE_874=y
+CONFIG_NLS_ISO8859_8=y
+CONFIG_NLS_CODEPAGE_1250=y
+CONFIG_NLS_CODEPAGE_1251=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_3=y
+CONFIG_NLS_ISO8859_4=y
+CONFIG_NLS_ISO8859_5=y
+CONFIG_NLS_ISO8859_6=y
+CONFIG_NLS_ISO8859_7=y
+CONFIG_NLS_ISO8859_9=y
+CONFIG_NLS_ISO8859_13=y
+CONFIG_NLS_ISO8859_14=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_KOI8_R=y
+CONFIG_NLS_KOI8_U=y
+CONFIG_NLS_MAC_ROMAN=y
+CONFIG_NLS_MAC_CELTIC=y
+CONFIG_NLS_MAC_CENTEURO=y
+CONFIG_NLS_MAC_CROATIAN=y
+CONFIG_NLS_MAC_CYRILLIC=y
+CONFIG_NLS_MAC_GAELIC=y
+CONFIG_NLS_MAC_GREEK=y
+CONFIG_NLS_MAC_ICELAND=y
+CONFIG_NLS_MAC_INUIT=y
+CONFIG_NLS_MAC_ROMANIAN=y
+CONFIG_NLS_MAC_TURKISH=y
+CONFIG_NLS_UTF8=y
+CONFIG_UNICODE=y
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_HARDENED_USERCOPY=y
+# CONFIG_HARDENED_USERCOPY_FALLBACK is not set
+CONFIG_STATIC_USERMODEHELPER=y
+CONFIG_STATIC_USERMODEHELPER_PATH=""
+CONFIG_SECURITY_SELINUX=y
+CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
+CONFIG_CRYPTO_CHACHA20POLY1305=y
+CONFIG_CRYPTO_ADIANTUM=y
+CONFIG_CRYPTO_XCBC=y
+CONFIG_CRYPTO_BLAKE2B=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_SHA256_SSSE3=y
+CONFIG_CRYPTO_SHA512_SSSE3=y
+CONFIG_CRYPTO_AES_NI_INTEL=y
+CONFIG_CRYPTO_LZ4=y
+CONFIG_CRYPTO_ZSTD=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_CRC8=y
+CONFIG_XZ_DEC=y
+CONFIG_DMA_CMA=y
+CONFIG_STACK_HASH_ORDER=12
+CONFIG_PRINTK_TIME=y
+CONFIG_DYNAMIC_DEBUG_CORE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_DEBUG_INFO_BTF=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_HEADERS_INSTALL=y
+# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_UBSAN=y
+CONFIG_UBSAN_TRAP=y
+CONFIG_UBSAN_LOCAL_BOUNDS=y
+# CONFIG_UBSAN_MISC is not set
+CONFIG_PAGE_OWNER=y
+CONFIG_PAGE_PINNER=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_KFENCE=y
+CONFIG_KFENCE_SAMPLE_INTERVAL=500
+CONFIG_KFENCE_NUM_OBJECTS=63
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PANIC_TIMEOUT=-1
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_WQ_WATCHDOG=y
+CONFIG_SCHEDSTATS=y
+CONFIG_BUG_ON_DATA_CORRUPTION=y
+CONFIG_TRACEFS_DISABLE_AUTOMOUNT=y
+CONFIG_HIST_TRIGGERS=y
+CONFIG_UNWINDER_FRAME_POINTER=y
+CONFIG_FUNCTION_ERROR_INJECTION=y
diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h
index a4b357e..8da971b 100644
--- a/arch/x86/entry/calling.h
+++ b/arch/x86/entry/calling.h
@@ -420,7 +420,11 @@
  */
 .macro LOAD_CPU_AND_NODE_SEG_LIMIT reg:req
 	movq	$__CPUNODE_SEG, \reg
+#ifdef __clang__
+	.long 0xc0030f48
+#else
 	lsl	\reg, \reg
+#endif
 .endm
 
 /*
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 0d0667a..5a6c85f 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -445,3 +445,4 @@
 438	i386	pidfd_getfd		sys_pidfd_getfd
 439	i386	faccessat2		sys_faccessat2
 440	i386	process_madvise		sys_process_madvise
+448	i386	process_mrelease	sys_process_mrelease
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 3798192..d31c21e3 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -362,6 +362,7 @@
 438	common	pidfd_getfd		sys_pidfd_getfd
 439	common	faccessat2		sys_faccessat2
 440	common	process_madvise		sys_process_madvise
+448	common	process_mrelease	sys_process_mrelease
 
 #
 # Due to a historical design error, certain syscalls are numbered differently
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 1440975..be60773 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -90,7 +90,7 @@
 endif
 endif
 
-$(vobjs): KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS) $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS)) $(CFL)
+$(vobjs): KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO) $(GCC_PLUGINS_CFLAGS) $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS)) $(CFL)
 $(vobjs): KBUILD_AFLAGS += -DBUILD_VDSO
 
 #
@@ -149,6 +149,7 @@
 KBUILD_CFLAGS_32 := $(filter-out -mfentry,$(KBUILD_CFLAGS_32))
 KBUILD_CFLAGS_32 := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS_32))
 KBUILD_CFLAGS_32 := $(filter-out $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS_32))
+KBUILD_CFLAGS_32 := $(filter-out $(CC_FLAGS_LTO),$(KBUILD_CFLAGS_32))
 KBUILD_CFLAGS_32 += -m32 -msoft-float -mregparm=0 -fpic
 KBUILD_CFLAGS_32 += -fno-stack-protector
 KBUILD_CFLAGS_32 += $(call cc-option, -foptimize-sibling-calls)
diff --git a/arch/x86/include/asm/kfence.h b/arch/x86/include/asm/kfence.h
new file mode 100644
index 0000000..05b48b33
--- /dev/null
+++ b/arch/x86/include/asm/kfence.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * x86 KFENCE support.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef _ASM_X86_KFENCE_H
+#define _ASM_X86_KFENCE_H
+
+#include <linux/bug.h>
+#include <linux/kfence.h>
+
+#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
+#include <asm/set_memory.h>
+#include <asm/tlbflush.h>
+
+/* Force 4K pages for __kfence_pool. */
+static inline bool arch_kfence_init_pool(void)
+{
+	unsigned long addr;
+
+	for (addr = (unsigned long)__kfence_pool; is_kfence_address((void *)addr);
+	     addr += PAGE_SIZE) {
+		unsigned int level;
+
+		if (!lookup_address(addr, &level))
+			return false;
+
+		if (level != PG_LEVEL_4K)
+			set_memory_4k(addr, 1);
+	}
+
+	return true;
+}
+
+/* Protect the given page and flush TLB. */
+static inline bool kfence_protect_page(unsigned long addr, bool protect)
+{
+	unsigned int level;
+	pte_t *pte = lookup_address(addr, &level);
+
+	if (WARN_ON(!pte || level != PG_LEVEL_4K))
+		return false;
+
+	/*
+	 * We need to avoid IPIs, as we may get KFENCE allocations or faults
+	 * with interrupts disabled. Therefore, the below is best-effort, and
+	 * does not flush TLBs on all CPUs. We can tolerate some inaccuracy;
+	 * lazy fault handling takes care of faults after the page is PRESENT.
+	 */
+
+	if (protect)
+		set_pte(pte, __pte(pte_val(*pte) & ~_PAGE_PRESENT));
+	else
+		set_pte(pte, __pte(pte_val(*pte) | _PAGE_PRESENT));
+
+	/*
+	 * Flush this CPU's TLB, assuming whoever did the allocation/free is
+	 * likely to continue running on this CPU.
+	 */
+	preempt_disable();
+	flush_tlb_one_kernel(addr);
+	preempt_enable();
+	return true;
+}
+
+#endif /* _ASM_X86_KFENCE_H */
diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h
index 4406d58..e377fa7 100644
--- a/arch/x86/include/asm/mem_encrypt.h
+++ b/arch/x86/include/asm/mem_encrypt.h
@@ -38,6 +38,7 @@
 void __init sme_unmap_bootdata(char *real_mode_data);
 
 void __init sme_early_init(void);
+void __init sev_setup_arch(void);
 
 void __init sme_encrypt_kernel(struct boot_params *bp);
 void __init sme_enable(struct boot_params *bp);
@@ -69,6 +70,7 @@
 static inline void __init sme_unmap_bootdata(char *real_mode_data) { }
 
 static inline void __init sme_early_init(void) { }
+static inline void __init sev_setup_arch(void) { }
 
 static inline void __init sme_encrypt_kernel(struct boot_params *bp) { }
 static inline void __init sme_enable(struct boot_params *bp) { }
diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index ffae5ea9..179b360 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -34,9 +34,9 @@
 	copy_page(to, from);
 }
 
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
-	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+	alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO | __GFP_CMA, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
 
 #ifndef __pa
 #define __pa(x)		__phys_addr((unsigned long)(x))
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 9bacde3..5bd55bc 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -846,7 +846,8 @@
 
 static inline int pmd_bad(pmd_t pmd)
 {
-	return (pmd_flags(pmd) & ~_PAGE_USER) != _KERNPG_TABLE;
+	return (pmd_flags(pmd) & ~(_PAGE_USER | _PAGE_ACCESSED)) !=
+	       (_KERNPG_TABLE & ~_PAGE_ACCESSED);
 }
 
 static inline unsigned long pages_to_mb(unsigned long npg)
@@ -1452,10 +1453,10 @@
 	return boot_cpu_has_bug(X86_BUG_L1TF);
 }
 
-#define arch_faults_on_old_pte arch_faults_on_old_pte
-static inline bool arch_faults_on_old_pte(void)
+#define arch_has_hw_pte_young arch_has_hw_pte_young
+static inline bool arch_has_hw_pte_young(void)
 {
-	return false;
+	return true;
 }
 
 #endif	/* __ASSEMBLY__ */
diff --git a/arch/x86/include/asm/seccomp.h b/arch/x86/include/asm/seccomp.h
index 2bd1338..fef16e3 100644
--- a/arch/x86/include/asm/seccomp.h
+++ b/arch/x86/include/asm/seccomp.h
@@ -16,6 +16,26 @@
 #define __NR_seccomp_sigreturn_32	__NR_ia32_sigreturn
 #endif
 
+#ifdef CONFIG_X86_64
+# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_X86_64
+# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"x86_64"
+# ifdef CONFIG_COMPAT
+#  define SECCOMP_ARCH_COMPAT		AUDIT_ARCH_I386
+#  define SECCOMP_ARCH_COMPAT_NR	IA32_NR_syscalls
+#  define SECCOMP_ARCH_COMPAT_NAME	"ia32"
+# endif
+/*
+ * x32 will have __X32_SYSCALL_BIT set in syscall number. We don't support
+ * caching them and they are treated as out of range syscalls, which will
+ * always pass through the BPF filter.
+ */
+#else /* !CONFIG_X86_64 */
+# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_I386
+# define SECCOMP_ARCH_NATIVE_NR	        NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME	"ia32"
+#endif
+
 #include <asm-generic/seccomp.h>
 
 #endif /* _ASM_X86_SECCOMP_H */
diff --git a/arch/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h
index a6e8373..5abf130 100644
--- a/arch/x86/include/asm/sections.h
+++ b/arch/x86/include/asm/sections.h
@@ -8,6 +8,7 @@
 #include <asm/extable.h>
 
 extern char __brk_base[], __brk_limit[];
+extern char __cfi_jt_start[], __cfi_jt_end[];
 extern char __end_rodata_aligned[];
 
 #if defined(CONFIG_X86_64)
diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h
index e5745d5..164a22a 100644
--- a/arch/x86/include/uapi/asm/signal.h
+++ b/arch/x86/include/uapi/asm/signal.h
@@ -62,30 +62,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	_NSIG
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001u
-#define SA_NOCLDWAIT	0x00000002u
-#define SA_SIGINFO	0x00000004u
-#define SA_ONSTACK	0x08000000u
-#define SA_RESTART	0x10000000u
-#define SA_NODEFER	0x40000000u
-#define SA_RESETHAND	0x80000000u
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
 #define SA_RESTORER	0x04000000
 
 #define MINSIGSTKSZ	2048
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index c8daa92..c7f412f 100644
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -112,7 +112,7 @@
 	movq	pt_regs_r14(%rax), %r14
 	movq	pt_regs_r15(%rax), %r15
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
 	/*
 	 * The suspend path may have poisoned some areas deeper in the stack,
 	 * which we now need to unpoison.
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 9e0a3da..5039c87 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -939,23 +939,10 @@
  *
  * See entry_{32,64}.S for more details.
  */
-
-/*
- * We define the int3_magic() function in assembly to control the calling
- * convention such that we can 'call' it from assembly.
- */
-
-extern void int3_magic(unsigned int *ptr); /* defined in asm */
-
-asm (
-"	.pushsection	.init.text, \"ax\", @progbits\n"
-"	.type		int3_magic, @function\n"
-"int3_magic:\n"
-"	movl	$1, (%" _ASM_ARG1 ")\n"
-	ASM_RET
-"	.size		int3_magic, .-int3_magic\n"
-"	.popsection\n"
-);
+static void __init __no_sanitize_address notrace int3_magic(unsigned int *ptr)
+{
+	*ptr = 1;
+}
 
 extern __initdata unsigned long int3_selftest_ip; /* defined in asm below */
 
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
index e37e5e8..7afaa4c 100644
--- a/arch/x86/kernel/kprobes/opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -104,6 +104,14 @@
 asm (
 			".pushsection .rodata\n"
 			"optprobe_template_func:\n"
+			".pushsection .discard.func_stack_frame_non_standard\n"
+			"__func_stack_frame_non_standard_optprobe_template_func:\n"
+#ifdef CONFIG_64BIT
+		        ".quad optprobe_template_func\n"
+#else
+			".long optprobe_template_func\n"
+#endif
+			".popsection\n"
 			".global optprobe_template_entry\n"
 			"optprobe_template_entry:\n"
 #ifdef CONFIG_X86_64
@@ -155,9 +163,6 @@
 			"optprobe_template_end:\n"
 			".popsection\n");
 
-void optprobe_template_func(void);
-STACK_FRAME_NON_STANDARD(optprobe_template_func);
-
 #define TMPL_CLAC_IDX \
 	((long)optprobe_template_clac - (long)optprobe_template_entry)
 #define TMPL_MOVE_IDX \
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index 455e195..dec354e 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -67,6 +67,7 @@
 
 void *module_alloc(unsigned long size)
 {
+	gfp_t gfp_mask = GFP_KERNEL;
 	void *p;
 
 	if (PAGE_ALIGN(size) > MODULES_LEN)
@@ -74,10 +75,10 @@
 
 	p = __vmalloc_node_range(size, MODULE_ALIGN,
 				    MODULES_VADDR + get_module_load_offset(),
-				    MODULES_END, GFP_KERNEL,
-				    PAGE_KERNEL, 0, NUMA_NO_NODE,
+				    MODULES_END, gfp_mask,
+				    PAGE_KERNEL, VM_DEFER_KMEMLEAK, NUMA_NO_NODE,
 				    __builtin_return_address(0));
-	if (p && (kasan_module_alloc(p, size) < 0)) {
+	if (p && (kasan_alloc_module_shadow(p, size, gfp_mask) < 0)) {
 		vfree(p);
 		return NULL;
 	}
@@ -197,6 +198,10 @@
 			val -= (u64)loc;
 			write(loc, &val, 8);
 			break;
+		case R_X86_64_8:
+			if (!strncmp(strtab + sym->st_name, "__typeid__", 10))
+				break;
+			/* fallthrough */
 		default:
 			pr_err("%s: Unknown rela relocation: %llu\n",
 			       me->name, ELF64_R_TYPE(rel[i].r_info));
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e9b483c..935c28d 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1069,6 +1069,12 @@
 	memblock_set_current_limit(ISA_END_ADDRESS);
 	e820__memblock_setup();
 
+	/*
+	 * Needs to run after memblock setup because it needs the physical
+	 * memory size.
+	 */
+	sev_setup_arch();
+
 	reserve_bios_regions();
 
 	efi_fake_memmap();
diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c
index a7f3e12..ddfd919 100644
--- a/arch/x86/kernel/signal_compat.c
+++ b/arch/x86/kernel/signal_compat.c
@@ -165,16 +165,9 @@
 {
 	signal_compat_build_tests();
 
-	/* Don't leak in-kernel non-uapi flags to user-space */
-	if (oact)
-		oact->sa.sa_flags &= ~(SA_IA32_ABI | SA_X32_ABI);
-
 	if (!act)
 		return;
 
-	/* Don't let flags to be set from userspace */
-	act->sa.sa_flags &= ~(SA_IA32_ABI | SA_X32_ABI);
-
 	if (in_ia32_syscall())
 		act->sa.sa_flags |= SA_IA32_ABI;
 	if (in_x32_syscall())
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 740f87d8..132a674 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -547,3 +547,7 @@
            "kexec control code size is too big");
 #endif
 
+#ifdef CONFIG_CFI_CLANG
+. = ASSERT((__cfi_jt_end - __cfi_jt_start > 0),
+	   "CFI jump table is empty");
+#endif
diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
index b93d6cd..a7eae1c 100644
--- a/arch/x86/mm/extable.c
+++ b/arch/x86/mm/extable.c
@@ -155,6 +155,7 @@
 		return EX_HANDLER_OTHER;
 }
 
+__nocfi
 int fixup_exception(struct pt_regs *regs, int trapnr, unsigned long error_code,
 		    unsigned long fault_addr)
 {
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 9c1545c..e9afbf8 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -9,6 +9,7 @@
 #include <linux/kdebug.h>		/* oops_begin/end, ...		*/
 #include <linux/extable.h>		/* search_exception_tables	*/
 #include <linux/memblock.h>		/* max_low_pfn			*/
+#include <linux/kfence.h>		/* kfence_handle_page_fault	*/
 #include <linux/kprobes.h>		/* NOKPROBE_SYMBOL, ...		*/
 #include <linux/mmiotrace.h>		/* kmmio_handler, ...		*/
 #include <linux/perf_event.h>		/* perf_sw_event		*/
@@ -732,6 +733,11 @@
 	if (IS_ENABLED(CONFIG_EFI))
 		efi_recover_from_page_fault(address);
 
+	/* Only not-present faults should be handled by KFENCE. */
+	if (!(error_code & X86_PF_PROT) &&
+	    kfence_handle_page_fault(address, error_code & X86_PF_WRITE, regs))
+		return;
+
 oops:
 	/*
 	 * Oops. The kernel tried to access some bad page. We'll have to
@@ -1221,7 +1227,7 @@
 			unsigned long hw_error_code,
 			unsigned long address)
 {
-	struct vm_area_struct *vma;
+	struct vm_area_struct *vma = NULL;
 	struct task_struct *tsk;
 	struct mm_struct *mm;
 	vm_fault_t fault;
@@ -1306,6 +1312,16 @@
 #endif
 
 	/*
+	 * Do not try to do a speculative page fault if the fault was due to
+	 * protection keys since it can't be resolved.
+	 */
+	if (!(hw_error_code & X86_PF_PK)) {
+		fault = handle_speculative_fault(mm, address, flags, &vma, regs);
+		if (fault != VM_FAULT_RETRY)
+			goto done;
+	}
+
+	/*
 	 * Kernel-mode access to the user address space should only occur
 	 * on well-defined single instructions listed in the exception
 	 * tables.  But, an erroneous kernel fault occurring outside one of
@@ -1337,7 +1353,8 @@
 		might_sleep();
 	}
 
-	vma = find_vma(mm, address);
+	if (!vma || !can_reuse_spf_vma(vma, address))
+		vma = find_vma(mm, address);
 	if (unlikely(!vma)) {
 		bad_area(regs, hw_error_code, address);
 		return;
@@ -1394,10 +1411,19 @@
 	if (unlikely((fault & VM_FAULT_RETRY) &&
 		     (flags & FAULT_FLAG_ALLOW_RETRY))) {
 		flags |= FAULT_FLAG_TRIED;
+
+		/*
+		 * Do not try to reuse this vma and fetch it
+		 * again since we will release the mmap_sem.
+		 */
+		vma = NULL;
+
 		goto retry;
 	}
 
 	mmap_read_unlock(mm);
+
+done:
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		mm_fault_error(regs, hw_error_code, address, fault);
 		return;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index dd15fde..8f67fed 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -116,6 +116,12 @@
 static bool __initdata can_use_brk_pgt = true;
 
 /*
+ * Provide a run-time mean of disabling ZONE_DMA32 if it is enabled via
+ * CONFIG_ZONE_DMA32.
+ */
+static bool disable_dma32 __ro_after_init;
+
+/*
  * Pages returned are already directly mapped.
  *
  * Changing that is likely to break Xen, see commit:
@@ -1036,7 +1042,7 @@
 	max_zone_pfns[ZONE_DMA]		= min(MAX_DMA_PFN, max_low_pfn);
 #endif
 #ifdef CONFIG_ZONE_DMA32
-	max_zone_pfns[ZONE_DMA32]	= min(MAX_DMA32_PFN, max_low_pfn);
+	max_zone_pfns[ZONE_DMA32]	= disable_dma32 ? 0 : min(MAX_DMA32_PFN, max_low_pfn);
 #endif
 	max_zone_pfns[ZONE_NORMAL]	= max_low_pfn;
 #ifdef CONFIG_HIGHMEM
@@ -1046,6 +1052,18 @@
 	free_area_init(max_zone_pfns);
 }
 
+static int __init early_disable_dma32(char *buf)
+{
+	if (!buf)
+		return -EINVAL;
+
+	if (!strcmp(buf, "on"))
+		disable_dma32 = true;
+
+	return 0;
+}
+early_param("disable_dma32", early_disable_dma32);
+
 __visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
 	.loaded_mm = &init_mm,
 	.next_asid = 1,
diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c
index 97f7eb5..daffe92 100644
--- a/arch/x86/mm/mem_encrypt.c
+++ b/arch/x86/mm/mem_encrypt.c
@@ -199,6 +199,37 @@
 		swiotlb_force = SWIOTLB_FORCE;
 }
 
+void __init sev_setup_arch(void)
+{
+	phys_addr_t total_mem = memblock_phys_mem_size();
+	unsigned long size;
+
+	if (!sev_active())
+		return;
+
+	/*
+	 * For SEV, all DMA has to occur via shared/unencrypted pages.
+	 * SEV uses SWIOTLB to make this happen without changing device
+	 * drivers. However, depending on the workload being run, the
+	 * default 64MB of SWIOTLB may not be enough and SWIOTLB may
+	 * run out of buffers for DMA, resulting in I/O errors and/or
+	 * performance degradation especially with high I/O workloads.
+	 *
+	 * Adjust the default size of SWIOTLB for SEV guests using
+	 * a percentage of guest memory for SWIOTLB buffers.
+	 * Also, as the SWIOTLB bounce buffer memory is allocated
+	 * from low memory, ensure that the adjusted size is within
+	 * the limits of low available memory.
+	 *
+	 * The percentage of guest memory used here for SWIOTLB buffers
+	 * is more of an approximation of the static adjustment which
+	 * 64MB for <1G, and ~128M to 256M for 1G-to-4G, i.e., the 6%
+	 */
+	size = total_mem * 6 / 100;
+	size = clamp_val(size, IO_TLB_DEFAULT_SIZE, SZ_1G);
+	swiotlb_adjust_size(size);
+}
+
 static void __init __set_clr_pte_enc(pte_t *kpte, int level, bool enc)
 {
 	pgprot_t old_prot, new_prot;
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 204b25e..e98ea03 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -550,7 +550,7 @@
 	return ret;
 }
 
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG)
 int pmdp_test_and_clear_young(struct vm_area_struct *vma,
 			      unsigned long addr, pmd_t *pmdp)
 {
@@ -562,6 +562,9 @@
 
 	return ret;
 }
+#endif
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
 int pudp_test_and_clear_young(struct vm_area_struct *vma,
 			      unsigned long addr, pud_t *pudp)
 {
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index 1aab929..f4ee420 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -498,6 +498,15 @@
 	pti_clone_pgtable((unsigned long) __entry_text_start,
 			  (unsigned long) __entry_text_end,
 			  PTI_CLONE_PMD);
+
+	/*
+	 * If CFI is enabled, also map jump tables, so the entry code can
+	 * make indirect calls.
+	 */
+	if (IS_ENABLED(CONFIG_CFI_CLANG))
+		pti_clone_pgtable((unsigned long) __cfi_jt_start,
+				  (unsigned long) __cfi_jt_end,
+				  PTI_CLONE_PMD);
 }
 
 /*
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 6fa42e9..234998f 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -425,7 +425,7 @@
 	return AE_OK;
 }
 
-static bool is_acpi_reserved(u64 start, u64 end, unsigned not_used)
+static bool is_acpi_reserved(u64 start, u64 end, enum e820_type not_used)
 {
 	struct resource mcfg_res;
 
@@ -442,7 +442,7 @@
 	return mcfg_res.flags;
 }
 
-typedef bool (*check_reserved_t)(u64 start, u64 end, unsigned type);
+typedef bool (*check_reserved_t)(u64 start, u64 end, enum e820_type type);
 
 static bool __ref is_mmconf_reserved(check_reserved_t is_reserved,
 				     struct pci_mmcfg_region *cfg,
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index 4e4e76e..92728a97 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -283,6 +283,19 @@
 /* Needed by apm.c */
 void notrace restore_processor_state(void)
 {
+#ifdef __clang__
+	// The following code snippet is copied from __restore_processor_state.
+	// Its purpose is to prepare GS segment before the function is called.
+	// Since the function is compiled with SCS on, it will use GS at its
+	// entry.
+	// TODO: Hack to be removed later when compiler bug is fixed.
+#ifdef CONFIG_X86_64
+	wrmsrl(MSR_GS_BASE, saved_context.kernelmode_gs_base);
+#else
+	loadsegment(fs, __KERNEL_PERCPU);
+	loadsegment(gs, __KERNEL_STACK_CANARY);
+#endif
+#endif
 	__restore_processor_state(&saved_context);
 }
 #ifdef CONFIG_X86_32
diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index dc0b91c..279ad47 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -36,7 +36,7 @@
 # These are adjustments to the compiler flags used for objects that
 # make up the standalone purgatory.ro
 
-PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel
+PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel $(CC_FLAGS_CFI)
 PURGATORY_CFLAGS := -mcmodel=large -ffreestanding -fno-zero-initialized-in-bss -g0
 PURGATORY_CFLAGS += $(DISABLE_STACKLEAK_PLUGIN) -DDISABLE_BRANCH_PROFILING
 PURGATORY_CFLAGS += -fno-stack-protector
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index 1c3a196..50e4863 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -48,6 +48,7 @@
 	"^(xen_irq_disable_direct_reloc$|"
 	"xen_save_fl_direct_reloc$|"
 	"VDSO|"
+	"__typeid__|"
 	"__crc_)",
 
 /*
@@ -808,6 +809,12 @@
 			    symname);
 		break;
 
+	case R_X86_64_8:
+		if (!shn_abs || !is_reloc(S_ABS, symname))
+			die("Non-whitelisted %s relocation: %s\n",
+				rel_type(r_type), symname);
+		break;
+
 	case R_X86_64_32:
 	case R_X86_64_32S:
 	case R_X86_64_64:
diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c
index 19ae3e4f..54f9aa7 100644
--- a/arch/x86/xen/pci-swiotlb-xen.c
+++ b/arch/x86/xen/pci-swiotlb-xen.c
@@ -59,7 +59,7 @@
 void __init pci_xen_swiotlb_init(void)
 {
 	if (xen_swiotlb) {
-		xen_swiotlb_init(1, true /* early */);
+		xen_swiotlb_init_early();
 		dma_ops = &xen_swiotlb_dma_ops;
 
 #ifdef CONFIG_PCI
@@ -76,7 +76,7 @@
 	if (xen_swiotlb)
 		return 0;
 
-	rc = xen_swiotlb_init(1, false /* late */);
+	rc = xen_swiotlb_init();
 	if (rc)
 		return rc;
 
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index adefb16..854c5e0 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -6,5 +6,4 @@
 generic-y += param.h
 generic-y += qrwlock.h
 generic-y += qspinlock.h
-generic-y += seccomp.h
 generic-y += user.h
diff --git a/arch/xtensa/include/asm/seccomp.h b/arch/xtensa/include/asm/seccomp.h
new file mode 100644
index 0000000..f1cb6b0
--- /dev/null
+++ b/arch/xtensa/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_XTENSA
+#define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME	"xtensa"
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/xtensa/include/uapi/asm/signal.h b/arch/xtensa/include/uapi/asm/signal.h
index 005dec5..79ddaba 100644
--- a/arch/xtensa/include/uapi/asm/signal.h
+++ b/arch/xtensa/include/uapi/asm/signal.h
@@ -72,30 +72,6 @@
 #define SIGRTMIN	32
 #define SIGRTMAX	(_NSIG-1)
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002 /* not supported yet */
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
 #define SA_RESTORER	0x04000000
 
 #define MINSIGSTKSZ	2048
diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl
index b070f27..4fd1365 100644
--- a/arch/xtensa/kernel/syscalls/syscall.tbl
+++ b/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -411,3 +411,5 @@
 438	common	pidfd_getfd			sys_pidfd_getfd
 439	common	faccessat2			sys_faccessat2
 440	common	process_madvise			sys_process_madvise
+# 447 reserved for memfd_secret
+448	common	process_mrelease		sys_process_mrelease
diff --git a/block/Kconfig b/block/Kconfig
index a2297ed..aabfb85 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -133,6 +133,13 @@
 	dynamically on an algorithm loosely based on CoDel, factoring in
 	the realtime performance of the disk.
 
+config BLK_WBT_MQ
+	bool "Enable writeback throttling by default"
+	default y
+	depends on BLK_WBT
+	help
+	Enable writeback throttling by default for request-based block devices.
+
 config BLK_CGROUP_IOLATENCY
 	bool "Enable support for latency based cgroup IO protection"
 	depends on BLK_CGROUP=y
@@ -155,12 +162,14 @@
 	distributes IO capacity between different groups based on
 	their share of the overall weight distribution.
 
-config BLK_WBT_MQ
-	bool "Multiqueue writeback throttling"
-	default y
-	depends on BLK_WBT
+config BLK_CGROUP_IOPRIO
+	bool "Cgroup I/O controller for assigning an I/O priority class"
+	depends on BLK_CGROUP
 	help
-	Enable writeback throttling by default on multiqueue devices.
+	Enable the .prio interface for assigning an I/O priority class to
+	requests. The I/O priority class affects the order in which an I/O
+	scheduler and block devices process requests. Only some I/O schedulers
+	and some block devices support I/O priorities.
 
 config BLK_DEBUG_FS
 	bool "Block layer debugging information in debugfs"
@@ -221,7 +230,7 @@
 	default y
 
 config BLK_MQ_VIRTIO
-	bool
+	tristate
 	depends on BLOCK && VIRTIO
 	default y
 
diff --git a/block/Makefile b/block/Makefile
index 8d841f5..05daaf82 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -17,6 +17,7 @@
 obj-$(CONFIG_BLK_CGROUP)	+= blk-cgroup.o
 obj-$(CONFIG_BLK_CGROUP_RWSTAT)	+= blk-cgroup-rwstat.o
 obj-$(CONFIG_BLK_DEV_THROTTLING)	+= blk-throttle.o
+obj-$(CONFIG_BLK_CGROUP_IOPRIO)	+= blk-ioprio.o
 obj-$(CONFIG_BLK_CGROUP_IOLATENCY)	+= blk-iolatency.o
 obj-$(CONFIG_BLK_CGROUP_IOCOST)	+= blk-iocost.o
 obj-$(CONFIG_MQ_IOSCHED_DEADLINE)	+= mq-deadline.o
@@ -38,3 +39,4 @@
 obj-$(CONFIG_BLK_PM)		+= blk-pm.o
 obj-$(CONFIG_BLK_INLINE_ENCRYPTION)	+= keyslot-manager.o blk-crypto.o
 obj-$(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK)	+= blk-crypto-fallback.o
+obj-$(CONFIG_ANDROID_VENDOR_HOOKS) += vendor_hooks.o
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 6687b80..7e12d36 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -4533,7 +4533,7 @@
 			bfqq = bfqq->bic->bfqq[0];
 		else if (bfq_bfqq_has_waker(bfqq) &&
 			   bfq_bfqq_busy(bfqq->waker_bfqq) &&
-			   bfqq->next_rq &&
+			   bfqq->waker_bfqq->next_rq &&
 			   bfq_serv_to_charge(bfqq->waker_bfqq->next_rq,
 					      bfqq->waker_bfqq) <=
 			   bfq_bfqq_budget_left(bfqq->waker_bfqq)
@@ -4674,9 +4674,6 @@
 {
 	struct bfq_data *bfqd = hctx->queue->elevator->elevator_data;
 
-	if (!atomic_read(&hctx->elevator_queued))
-		return false;
-
 	/*
 	 * Avoiding lock: a race on bfqd->busy_queues should cause at
 	 * most a call to dispatch for nothing
@@ -5584,7 +5581,6 @@
 		rq = list_first_entry(list, struct request, queuelist);
 		list_del_init(&rq->queuelist);
 		bfq_insert_request(hctx, rq, at_head);
-		atomic_inc(&hctx->elevator_queued);
 	}
 }
 
@@ -5952,7 +5948,6 @@
 
 		bfq_completed_request(bfqq, bfqd);
 		bfq_finish_requeue_request_body(bfqq);
-		atomic_dec(&rq->mq_hctx->elevator_queued);
 
 		spin_unlock_irqrestore(&bfqd->lock, flags);
 	} else {
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index c623632..d7054c1 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -31,6 +31,7 @@
 #include <linux/tracehook.h>
 #include <linux/psi.h>
 #include "blk.h"
+#include "blk-ioprio.h"
 
 #define MAX_KEY_LEN 100
 
@@ -1181,6 +1182,10 @@
 	if (preloaded)
 		radix_tree_preload_end();
 
+	ret = blk_ioprio_init(q);
+	if (ret)
+		goto err_destroy_all;
+
 	ret = blk_throtl_init(q);
 	if (ret)
 		goto err_destroy_all;
@@ -1190,6 +1195,7 @@
 		blk_throtl_exit(q);
 		goto err_destroy_all;
 	}
+
 	return 0;
 
 err_destroy_all:
diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
index c162b75..d02d297 100644
--- a/block/blk-crypto-fallback.c
+++ b/block/blk-crypto-fallback.c
@@ -180,6 +180,8 @@
 	bio_clone_blkg_association(bio, bio_src);
 	blkcg_bio_issue_init(bio);
 
+	bio_clone_skip_dm_default_key(bio, bio_src);
+
 	return bio;
 }
 
@@ -543,6 +545,7 @@
 
 	blk_crypto_ksm.ksm_ll_ops = blk_crypto_ksm_ll_ops;
 	blk_crypto_ksm.max_dun_bytes_supported = BLK_CRYPTO_MAX_IV_SIZE;
+	blk_crypto_ksm.features = BLK_CRYPTO_FEATURE_STANDARD_KEYS;
 
 	/* All blk-crypto modes have a crypto API fallback. */
 	for (i = 0; i < BLK_ENCRYPTION_MODE_MAX; i++)
diff --git a/block/blk-crypto.c b/block/blk-crypto.c
index 87ec55d..ccb2dc5 100644
--- a/block/blk-crypto.c
+++ b/block/blk-crypto.c
@@ -97,6 +97,7 @@
 
 	bio->bi_crypt_context = bc;
 }
+EXPORT_SYMBOL_GPL(bio_crypt_set_ctx);
 
 void __bio_crypt_free_ctx(struct bio *bio)
 {
@@ -307,8 +308,13 @@
 /**
  * blk_crypto_init_key() - Prepare a key for use with blk-crypto
  * @blk_key: Pointer to the blk_crypto_key to initialize.
- * @raw_key: Pointer to the raw key. Must be the correct length for the chosen
- *	     @crypto_mode; see blk_crypto_modes[].
+ * @raw_key: Pointer to the raw key.
+ * @raw_key_size: Size of raw key.  Must be at least the required size for the
+ *                chosen @crypto_mode; see blk_crypto_modes[].  (It's allowed
+ *                to be longer than the mode's actual key size, in order to
+ *                support inline encryption hardware that accepts wrapped keys.
+ *                @is_hw_wrapped has to be set for such keys)
+ * @is_hw_wrapped: Denotes @raw_key is wrapped.
  * @crypto_mode: identifier for the encryption algorithm to use
  * @dun_bytes: number of bytes that will be used to specify the DUN when this
  *	       key is used
@@ -317,7 +323,9 @@
  * Return: 0 on success, -errno on failure.  The caller is responsible for
  *	   zeroizing both blk_key and raw_key when done with them.
  */
-int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
+int blk_crypto_init_key(struct blk_crypto_key *blk_key,
+			const u8 *raw_key, unsigned int raw_key_size,
+			bool is_hw_wrapped,
 			enum blk_crypto_mode_num crypto_mode,
 			unsigned int dun_bytes,
 			unsigned int data_unit_size)
@@ -329,9 +337,17 @@
 	if (crypto_mode >= ARRAY_SIZE(blk_crypto_modes))
 		return -EINVAL;
 
+	BUILD_BUG_ON(BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE < BLK_CRYPTO_MAX_KEY_SIZE);
+
 	mode = &blk_crypto_modes[crypto_mode];
-	if (mode->keysize == 0)
-		return -EINVAL;
+	if (is_hw_wrapped) {
+		if (raw_key_size < mode->keysize ||
+		    raw_key_size > BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE)
+			return -EINVAL;
+	} else {
+		if (raw_key_size != mode->keysize)
+			return -EINVAL;
+	}
 
 	if (dun_bytes == 0 || dun_bytes > mode->ivsize)
 		return -EINVAL;
@@ -342,12 +358,14 @@
 	blk_key->crypto_cfg.crypto_mode = crypto_mode;
 	blk_key->crypto_cfg.dun_bytes = dun_bytes;
 	blk_key->crypto_cfg.data_unit_size = data_unit_size;
+	blk_key->crypto_cfg.is_hw_wrapped = is_hw_wrapped;
 	blk_key->data_unit_size_bits = ilog2(data_unit_size);
-	blk_key->size = mode->keysize;
-	memcpy(blk_key->raw, raw_key, mode->keysize);
+	blk_key->size = raw_key_size;
+	memcpy(blk_key->raw, raw_key, raw_key_size);
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(blk_crypto_init_key);
 
 /*
  * Check if bios with @cfg can be en/decrypted by blk-crypto (i.e. either the
@@ -357,8 +375,10 @@
 bool blk_crypto_config_supported(struct request_queue *q,
 				 const struct blk_crypto_config *cfg)
 {
-	return IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) ||
-	       blk_ksm_crypto_cfg_supported(q->ksm, cfg);
+	if (IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) &&
+	    !cfg->is_hw_wrapped)
+		return true;
+	return blk_ksm_crypto_cfg_supported(q->ksm, cfg);
 }
 
 /**
@@ -381,8 +401,13 @@
 {
 	if (blk_ksm_crypto_cfg_supported(q->ksm, &key->crypto_cfg))
 		return 0;
+	if (key->crypto_cfg.is_hw_wrapped) {
+		pr_warn_once("hardware doesn't support wrapped keys\n");
+		return -EOPNOTSUPP;
+	}
 	return blk_crypto_fallback_start_using_mode(key->crypto_cfg.crypto_mode);
 }
+EXPORT_SYMBOL_GPL(blk_crypto_start_using_key);
 
 /**
  * blk_crypto_evict_key() - Evict a blk_crypto_key from a request_queue
@@ -420,3 +445,4 @@
 	if (err)
 		pr_warn_ratelimited("error %d evicting key\n", err);
 }
+EXPORT_SYMBOL_GPL(blk_crypto_evict_key);
diff --git a/block/blk-ioprio.c b/block/blk-ioprio.c
new file mode 100644
index 0000000..332a077
--- /dev/null
+++ b/block/blk-ioprio.c
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Block rq-qos policy for assigning an I/O priority class to requests.
+ *
+ * Using an rq-qos policy for assigning I/O priority class has two advantages
+ * over using the ioprio_set() system call:
+ *
+ * - This policy is cgroup based so it has all the advantages of cgroups.
+ * - While ioprio_set() does not affect page cache writeback I/O, this rq-qos
+ *   controller affects page cache writeback I/O for filesystems that support
+ *   assiociating a cgroup with writeback I/O. See also
+ *   Documentation/admin-guide/cgroup-v2.rst.
+ */
+
+#include <linux/blk-cgroup.h>
+#include <linux/blk-mq.h>
+#include <linux/blk_types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include "blk-ioprio.h"
+#include "blk-rq-qos.h"
+
+/**
+ * enum prio_policy - I/O priority class policy.
+ * @POLICY_NO_CHANGE: (default) do not modify the I/O priority class.
+ * @POLICY_NONE_TO_RT: modify IOPRIO_CLASS_NONE into IOPRIO_CLASS_RT.
+ * @POLICY_RESTRICT_TO_BE: modify IOPRIO_CLASS_NONE and IOPRIO_CLASS_RT into
+ *		IOPRIO_CLASS_BE.
+ * @POLICY_ALL_TO_IDLE: change the I/O priority class into IOPRIO_CLASS_IDLE.
+ *
+ * See also <linux/ioprio.h>.
+ */
+enum prio_policy {
+	POLICY_NO_CHANGE	= 0,
+	POLICY_NONE_TO_RT	= 1,
+	POLICY_RESTRICT_TO_BE	= 2,
+	POLICY_ALL_TO_IDLE	= 3,
+};
+
+static const char *policy_name[] = {
+	[POLICY_NO_CHANGE]	= "no-change",
+	[POLICY_NONE_TO_RT]	= "none-to-rt",
+	[POLICY_RESTRICT_TO_BE]	= "restrict-to-be",
+	[POLICY_ALL_TO_IDLE]	= "idle",
+};
+
+static struct blkcg_policy ioprio_policy;
+
+/**
+ * struct ioprio_blkg - Per (cgroup, request queue) data.
+ * @pd: blkg_policy_data structure.
+ */
+struct ioprio_blkg {
+	struct blkg_policy_data pd;
+};
+
+/**
+ * struct ioprio_blkcg - Per cgroup data.
+ * @cpd: blkcg_policy_data structure.
+ * @prio_policy: One of the IOPRIO_CLASS_* values. See also <linux/ioprio.h>.
+ */
+struct ioprio_blkcg {
+	struct blkcg_policy_data cpd;
+	enum prio_policy	 prio_policy;
+};
+
+static inline struct ioprio_blkg *pd_to_ioprio(struct blkg_policy_data *pd)
+{
+	return pd ? container_of(pd, struct ioprio_blkg, pd) : NULL;
+}
+
+static struct ioprio_blkcg *blkcg_to_ioprio_blkcg(struct blkcg *blkcg)
+{
+	return container_of(blkcg_to_cpd(blkcg, &ioprio_policy),
+			    struct ioprio_blkcg, cpd);
+}
+
+static struct ioprio_blkcg *
+ioprio_blkcg_from_css(struct cgroup_subsys_state *css)
+{
+	return blkcg_to_ioprio_blkcg(css_to_blkcg(css));
+}
+
+static struct ioprio_blkcg *ioprio_blkcg_from_bio(struct bio *bio)
+{
+	struct blkg_policy_data *pd = blkg_to_pd(bio->bi_blkg, &ioprio_policy);
+
+	if (!pd)
+		return NULL;
+
+	return blkcg_to_ioprio_blkcg(pd->blkg->blkcg);
+}
+
+static int ioprio_show_prio_policy(struct seq_file *sf, void *v)
+{
+	struct ioprio_blkcg *blkcg = ioprio_blkcg_from_css(seq_css(sf));
+
+	seq_printf(sf, "%s\n", policy_name[blkcg->prio_policy]);
+	return 0;
+}
+
+static ssize_t ioprio_set_prio_policy(struct kernfs_open_file *of, char *buf,
+				      size_t nbytes, loff_t off)
+{
+	struct ioprio_blkcg *blkcg = ioprio_blkcg_from_css(of_css(of));
+	int ret;
+
+	if (off != 0)
+		return -EIO;
+	/* kernfs_fop_write_iter() terminates 'buf' with '\0'. */
+	ret = sysfs_match_string(policy_name, buf);
+	if (ret < 0)
+		return ret;
+	blkcg->prio_policy = ret;
+
+	return nbytes;
+}
+
+static struct blkg_policy_data *
+ioprio_alloc_pd(gfp_t gfp, struct request_queue *q, struct blkcg *blkcg)
+{
+	struct ioprio_blkg *ioprio_blkg;
+
+	ioprio_blkg = kzalloc(sizeof(*ioprio_blkg), gfp);
+	if (!ioprio_blkg)
+		return NULL;
+
+	return &ioprio_blkg->pd;
+}
+
+static void ioprio_free_pd(struct blkg_policy_data *pd)
+{
+	struct ioprio_blkg *ioprio_blkg = pd_to_ioprio(pd);
+
+	kfree(ioprio_blkg);
+}
+
+static struct blkcg_policy_data *ioprio_alloc_cpd(gfp_t gfp)
+{
+	struct ioprio_blkcg *blkcg;
+
+	blkcg = kzalloc(sizeof(*blkcg), gfp);
+	if (!blkcg)
+		return NULL;
+	blkcg->prio_policy = POLICY_NO_CHANGE;
+	return &blkcg->cpd;
+}
+
+static void ioprio_free_cpd(struct blkcg_policy_data *cpd)
+{
+	struct ioprio_blkcg *blkcg = container_of(cpd, typeof(*blkcg), cpd);
+
+	kfree(blkcg);
+}
+
+#define IOPRIO_ATTRS						\
+	{							\
+		.name		= "prio.class",			\
+		.seq_show	= ioprio_show_prio_policy,	\
+		.write		= ioprio_set_prio_policy,	\
+	},							\
+	{ } /* sentinel */
+
+/* cgroup v2 attributes */
+static struct cftype ioprio_files[] = {
+	IOPRIO_ATTRS
+};
+
+/* cgroup v1 attributes */
+static struct cftype ioprio_legacy_files[] = {
+	IOPRIO_ATTRS
+};
+
+static struct blkcg_policy ioprio_policy = {
+	.dfl_cftypes	= ioprio_files,
+	.legacy_cftypes = ioprio_legacy_files,
+
+	.cpd_alloc_fn	= ioprio_alloc_cpd,
+	.cpd_free_fn	= ioprio_free_cpd,
+
+	.pd_alloc_fn	= ioprio_alloc_pd,
+	.pd_free_fn	= ioprio_free_pd,
+};
+
+struct blk_ioprio {
+	struct rq_qos rqos;
+};
+
+static void blkcg_ioprio_track(struct rq_qos *rqos, struct request *rq,
+			       struct bio *bio)
+{
+	struct ioprio_blkcg *blkcg = ioprio_blkcg_from_bio(bio);
+
+	/*
+	 * Except for IOPRIO_CLASS_NONE, higher I/O priority numbers
+	 * correspond to a lower priority. Hence, the max_t() below selects
+	 * the lower priority of bi_ioprio and the cgroup I/O priority class.
+	 * If the cgroup policy has been set to POLICY_NO_CHANGE == 0, the
+	 * bio I/O priority is not modified. If the bio I/O priority equals
+	 * IOPRIO_CLASS_NONE, the cgroup I/O priority is assigned to the bio.
+	 */
+	bio->bi_ioprio = max_t(u16, bio->bi_ioprio,
+			       IOPRIO_PRIO_VALUE(blkcg->prio_policy, 0));
+}
+
+static void blkcg_ioprio_exit(struct rq_qos *rqos)
+{
+	struct blk_ioprio *blkioprio_blkg =
+		container_of(rqos, typeof(*blkioprio_blkg), rqos);
+
+	blkcg_deactivate_policy(rqos->q, &ioprio_policy);
+	kfree(blkioprio_blkg);
+}
+
+static struct rq_qos_ops blkcg_ioprio_ops = {
+	.track	= blkcg_ioprio_track,
+	.exit	= blkcg_ioprio_exit,
+};
+
+int blk_ioprio_init(struct request_queue *q)
+{
+	struct blk_ioprio *blkioprio_blkg;
+	struct rq_qos *rqos;
+	int ret;
+
+	blkioprio_blkg = kzalloc(sizeof(*blkioprio_blkg), GFP_KERNEL);
+	if (!blkioprio_blkg)
+		return -ENOMEM;
+
+	ret = blkcg_activate_policy(q, &ioprio_policy);
+	if (ret) {
+		kfree(blkioprio_blkg);
+		return ret;
+	}
+
+	rqos = &blkioprio_blkg->rqos;
+	rqos->id = RQ_QOS_IOPRIO;
+	rqos->ops = &blkcg_ioprio_ops;
+	rqos->q = q;
+
+	/*
+	 * Registering the rq-qos policy after activating the blk-cgroup
+	 * policy guarantees that ioprio_blkcg_from_bio(bio) != NULL in the
+	 * rq-qos callbacks.
+	 */
+	rq_qos_add(q, rqos);
+
+	return 0;
+}
+
+static int __init ioprio_init(void)
+{
+	return blkcg_policy_register(&ioprio_policy);
+}
+
+static void __exit ioprio_exit(void)
+{
+	blkcg_policy_unregister(&ioprio_policy);
+}
+
+module_init(ioprio_init);
+module_exit(ioprio_exit);
diff --git a/block/blk-ioprio.h b/block/blk-ioprio.h
new file mode 100644
index 0000000..a7785c2
--- /dev/null
+++ b/block/blk-ioprio.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _BLK_IOPRIO_H_
+#define _BLK_IOPRIO_H_
+
+#include <linux/kconfig.h>
+
+struct request_queue;
+
+#ifdef CONFIG_BLK_CGROUP_IOPRIO
+int blk_ioprio_init(struct request_queue *q);
+#else
+static inline int blk_ioprio_init(struct request_queue *q)
+{
+	return 0;
+}
+#endif
+
+#endif /* _BLK_IOPRIO_H_ */
diff --git a/block/blk-map.c b/block/blk-map.c
index ede73f4..e1bbac8 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -150,9 +150,7 @@
 	bmd->is_our_pages = !map_data;
 	bmd->is_null_mapped = (map_data && map_data->null_mapped);
 
-	nr_pages = DIV_ROUND_UP(offset + len, PAGE_SIZE);
-	if (nr_pages > BIO_MAX_PAGES)
-		nr_pages = BIO_MAX_PAGES;
+	nr_pages = bio_max_segs(DIV_ROUND_UP(offset + len, PAGE_SIZE));
 
 	ret = -ENOMEM;
 	bio = bio_kmalloc(gfp_mask, nr_pages);
diff --git a/block/blk-merge.c b/block/blk-merge.c
index f3b016b..45c46b3 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -7,7 +7,9 @@
 #include <linux/bio.h>
 #include <linux/blkdev.h>
 #include <linux/scatterlist.h>
+#ifndef __GENKSYMS__
 #include <linux/blk-cgroup.h>
+#endif
 
 #include <trace/events/block.h>
 
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 212e1e7..175e6c9 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -943,6 +943,21 @@
 	q->sched_debugfs_dir = NULL;
 }
 
+static const char *rq_qos_id_to_name(enum rq_qos_id id)
+{
+	switch (id) {
+	case RQ_QOS_WBT:
+		return "wbt";
+	case RQ_QOS_LATENCY:
+		return "latency";
+	case RQ_QOS_COST:
+		return "cost";
+	case RQ_QOS_IOPRIO:
+		return "ioprio";
+	}
+	return "unknown";
+}
+
 void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)
 {
 	debugfs_remove_recursive(rqos->debugfs_dir);
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h
index f887988..689cd1e 100644
--- a/block/blk-mq-tag.h
+++ b/block/blk-mq-tag.h
@@ -26,6 +26,8 @@
 	 * request pool
 	 */
 	spinlock_t lock;
+
+	ANDROID_OEM_DATA(1);
 };
 
 extern struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags,
diff --git a/block/blk-mq-virtio.c b/block/blk-mq-virtio.c
index 7b8a42c..78b2b4f 100644
--- a/block/blk-mq-virtio.c
+++ b/block/blk-mq-virtio.c
@@ -44,3 +44,6 @@
 	return blk_mq_map_queues(qmap);
 }
 EXPORT_SYMBOL_GPL(blk_mq_virtio_map_queues);
+
+MODULE_DESCRIPTION("Virtio Device Default Queue Mapping");
+MODULE_LICENSE("GPL v2");
diff --git a/block/blk-mq.c b/block/blk-mq.c
index e153a36..a943dce 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -41,6 +41,8 @@
 #include "blk-mq-sched.h"
 #include "blk-rq-qos.h"
 
+#include <trace/hooks/block.h>
+
 static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
 
 static void blk_mq_poll_stats_start(struct request_queue *q);
@@ -341,6 +343,7 @@
 	}
 
 	data->hctx->queued++;
+	trace_android_vh_blk_rq_ctx_init(rq, tags, data, alloc_time_ns);
 	return rq;
 }
 
@@ -630,19 +633,7 @@
 {
 	struct request *rq = data;
 
-	/*
-	 * For most of single queue controllers, there is only one irq vector
-	 * for handling I/O completion, and the only irq's affinity is set
-	 * to all possible CPUs.  On most of ARCHs, this affinity means the irq
-	 * is handled on one specific CPU.
-	 *
-	 * So complete I/O requests in softirq context in case of single queue
-	 * devices to avoid degrading I/O performance due to irqsoff latency.
-	 */
-	if (rq->q->nr_hw_queues == 1)
-		blk_mq_trigger_softirq(rq);
-	else
-		rq->q->mq_ops->complete(rq);
+	blk_mq_trigger_softirq(rq);
 }
 
 static inline bool blk_mq_complete_need_ipi(struct request *rq)
@@ -1392,7 +1383,7 @@
 			break;
 		default:
 			errors++;
-			blk_mq_end_request(rq, BLK_STS_IOERR);
+			blk_mq_end_request(rq, ret);
 		}
 	} while (!list_empty(list));
 out:
@@ -1653,6 +1644,41 @@
 }
 EXPORT_SYMBOL(blk_mq_run_hw_queue);
 
+/*
+ * Is the request queue handled by an IO scheduler that does not respect
+ * hardware queues when dispatching?
+ */
+static bool blk_mq_has_sqsched(struct request_queue *q)
+{
+	struct elevator_queue *e = q->elevator;
+
+	if (e && e->type->ops.dispatch_request &&
+	    !(e->type->elevator_features & ELEVATOR_F_MQ_AWARE))
+		return true;
+	return false;
+}
+
+/*
+ * Return prefered queue to dispatch from (if any) for non-mq aware IO
+ * scheduler.
+ */
+static struct blk_mq_hw_ctx *blk_mq_get_sq_hctx(struct request_queue *q)
+{
+	struct blk_mq_ctx *ctx = blk_mq_get_ctx(q);
+	/*
+	 * If the IO scheduler does not respect hardware queues when
+	 * dispatching, we just don't bother with multiple HW queues and
+	 * dispatch from hctx for the current CPU since running multiple queues
+	 * just causes lock contention inside the scheduler and pointless cache
+	 * bouncing.
+	 */
+	struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(q, 0, ctx);
+
+	if (!blk_mq_hctx_stopped(hctx))
+		return hctx;
+	return NULL;
+}
+
 /**
  * blk_mq_run_hw_queues - Run all hardware queues in a request queue.
  * @q: Pointer to the request queue to run.
@@ -1660,14 +1686,23 @@
  */
 void blk_mq_run_hw_queues(struct request_queue *q, bool async)
 {
-	struct blk_mq_hw_ctx *hctx;
+	struct blk_mq_hw_ctx *hctx, *sq_hctx;
 	int i;
 
+	sq_hctx = NULL;
+	if (blk_mq_has_sqsched(q))
+		sq_hctx = blk_mq_get_sq_hctx(q);
 	queue_for_each_hw_ctx(q, hctx, i) {
 		if (blk_mq_hctx_stopped(hctx))
 			continue;
-
-		blk_mq_run_hw_queue(hctx, async);
+		/*
+		 * Dispatch from this hctx either if there's no hctx preferred
+		 * by IO scheduler or if it has requests that bypass the
+		 * scheduler.
+		 */
+		if (!sq_hctx || sq_hctx == hctx ||
+		    !list_empty_careful(&hctx->dispatch))
+			blk_mq_run_hw_queue(hctx, async);
 	}
 }
 EXPORT_SYMBOL(blk_mq_run_hw_queues);
@@ -1679,14 +1714,23 @@
  */
 void blk_mq_delay_run_hw_queues(struct request_queue *q, unsigned long msecs)
 {
-	struct blk_mq_hw_ctx *hctx;
+	struct blk_mq_hw_ctx *hctx, *sq_hctx;
 	int i;
 
+	sq_hctx = NULL;
+	if (blk_mq_has_sqsched(q))
+		sq_hctx = blk_mq_get_sq_hctx(q);
 	queue_for_each_hw_ctx(q, hctx, i) {
 		if (blk_mq_hctx_stopped(hctx))
 			continue;
-
-		blk_mq_delay_run_hw_queue(hctx, msecs);
+		/*
+		 * Dispatch from this hctx either if there's no hctx preferred
+		 * by IO scheduler or if it has requests that bypass the
+		 * scheduler.
+		 */
+		if (!sq_hctx || sq_hctx == hctx ||
+		    !list_empty_careful(&hctx->dispatch))
+			blk_mq_delay_run_hw_queue(hctx, msecs);
 	}
 }
 EXPORT_SYMBOL(blk_mq_delay_run_hw_queues);
@@ -2427,6 +2471,7 @@
 	 */
 	rq_size = round_up(sizeof(struct request) + set->cmd_size,
 				cache_line_size());
+	trace_android_vh_blk_alloc_rqs(&rq_size, set, tags);
 	left = rq_size * depth;
 
 	for (i = 0; i < depth; ) {
@@ -2738,7 +2783,6 @@
 		goto free_hctx;
 
 	atomic_set(&hctx->nr_active, 0);
-	atomic_set(&hctx->elevator_queued, 0);
 	if (node == NUMA_NO_NODE)
 		node = set->numa_node;
 	hctx->numa_node = node;
diff --git a/block/blk-mq.h b/block/blk-mq.h
index f792a09..d533ab5 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -35,6 +35,8 @@
 	struct request_queue	*queue;
 	struct blk_mq_ctxs      *ctxs;
 	struct kobject		kobj;
+
+	ANDROID_OEM_DATA_ARRAY(1, 2);
 } ____cacheline_aligned_in_smp;
 
 void blk_mq_exit_queue(struct request_queue *q);
diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h
index 2bcb349..f000f83 100644
--- a/block/blk-rq-qos.h
+++ b/block/blk-rq-qos.h
@@ -17,6 +17,7 @@
 	RQ_QOS_WBT,
 	RQ_QOS_LATENCY,
 	RQ_QOS_COST,
+	RQ_QOS_IOPRIO,
 };
 
 struct rq_wait {
@@ -79,19 +80,6 @@
 	return rq_qos_id(q, RQ_QOS_LATENCY);
 }
 
-static inline const char *rq_qos_id_to_name(enum rq_qos_id id)
-{
-	switch (id) {
-	case RQ_QOS_WBT:
-		return "wbt";
-	case RQ_QOS_LATENCY:
-		return "latency";
-	case RQ_QOS_COST:
-		return "cost";
-	}
-	return "unknown";
-}
-
 static inline void rq_wait_init(struct rq_wait *rq_wait)
 {
 	atomic_set(&rq_wait->inflight, 0);
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 61b4522..f6a88c5 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -536,15 +536,29 @@
 	noio_flag = memalloc_noio_save();
 	ret = disk->fops->report_zones(disk, 0, UINT_MAX,
 				       blk_revalidate_zone_cb, &args);
+	if (!ret) {
+		pr_warn("%s: No zones reported\n", disk->disk_name);
+		ret = -ENODEV;
+	}
 	memalloc_noio_restore(noio_flag);
 
 	/*
+	 * If zones where reported, make sure that the entire disk capacity
+	 * has been checked.
+	 */
+	if (ret > 0 && args.sector != get_capacity(disk)) {
+		pr_warn("%s: Missing zones from sector %llu\n",
+			disk->disk_name, args.sector);
+		ret = -ENODEV;
+	}
+
+	/*
 	 * Install the new bitmaps and update nr_zones only once the queue is
 	 * stopped and all I/Os are completed (i.e. a scheduler is not
 	 * referencing the bitmaps).
 	 */
 	blk_mq_freeze_queue(q);
-	if (ret >= 0) {
+	if (ret > 0) {
 		blk_queue_chunk_sectors(q, args.zone_sectors);
 		q->nr_zones = args.nr_zones;
 		swap(q->seq_zones_wlock, args.seq_zones_wlock);
diff --git a/block/bsg.c b/block/bsg.c
index 2cbc1fc..62707c7 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -12,6 +12,7 @@
 #include <linux/idr.h>
 #include <linux/bsg.h>
 #include <linux/slab.h>
+#include <linux/pm_runtime.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_ioctl.h>
@@ -308,12 +309,15 @@
 static int bsg_open(struct inode *inode, struct file *file)
 {
 	struct bsg_device *bd;
+	struct bsg_class_device *bcd;
 
 	bd = bsg_get_device(inode, file);
 
 	if (IS_ERR(bd))
 		return PTR_ERR(bd);
 
+	bcd = &bd->queue->bsg_dev;
+	pm_runtime_get_sync(bcd->class_dev->parent);
 	file->private_data = bd;
 	return 0;
 }
@@ -321,8 +325,12 @@
 static int bsg_release(struct inode *inode, struct file *file)
 {
 	struct bsg_device *bd = file->private_data;
+	struct bsg_class_device *bcd;
 
 	file->private_data = NULL;
+
+	bcd = &bd->queue->bsg_dev;
+	pm_runtime_put_sync(bcd->class_dev->parent);
 	return bsg_put_device(bd);
 }
 
diff --git a/block/elevator.c b/block/elevator.c
index 2f96266..f762b2a 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -622,6 +622,9 @@
  */
 static struct elevator_type *elevator_get_default(struct request_queue *q)
 {
+	if (q->tag_set && q->tag_set->flags & BLK_MQ_F_NO_SCHED_BY_DEFAULT)
+		return NULL;
+
 	if (q->nr_hw_queues != 1)
 		return NULL;
 
diff --git a/block/keyslot-manager.c b/block/keyslot-manager.c
index 17a1f1b..9470477 100644
--- a/block/keyslot-manager.c
+++ b/block/keyslot-manager.c
@@ -29,6 +29,7 @@
 #define pr_fmt(fmt) "blk-crypto: " fmt
 
 #include <linux/keyslot-manager.h>
+#include <linux/device.h>
 #include <linux/atomic.h>
 #include <linux/mutex.h>
 #include <linux/pm_runtime.h>
@@ -62,6 +63,11 @@
 		pm_runtime_put_sync(ksm->dev);
 }
 
+static inline bool blk_ksm_is_passthrough(struct blk_keyslot_manager *ksm)
+{
+	return ksm->num_slots == 0;
+}
+
 /**
  * blk_ksm_init() - Initialize a keyslot manager
  * @ksm: The keyslot_manager to initialize.
@@ -127,6 +133,34 @@
 }
 EXPORT_SYMBOL_GPL(blk_ksm_init);
 
+static void blk_ksm_destroy_callback(void *ksm)
+{
+	blk_ksm_destroy(ksm);
+}
+
+/**
+ * devm_blk_ksm_init() - Resource-managed blk_ksm_init()
+ * @dev: The device which owns the blk_keyslot_manager.
+ * @ksm: The blk_keyslot_manager to initialize.
+ * @num_slots: The number of key slots to manage.
+ *
+ * Like blk_ksm_init(), but causes blk_ksm_destroy() to be called automatically
+ * on driver detach.
+ *
+ * Return: 0 on success, or else a negative error code.
+ */
+int devm_blk_ksm_init(struct device *dev, struct blk_keyslot_manager *ksm,
+		      unsigned int num_slots)
+{
+	int err = blk_ksm_init(ksm, num_slots);
+
+	if (err)
+		return err;
+
+	return devm_add_action_or_reset(dev, blk_ksm_destroy_callback, ksm);
+}
+EXPORT_SYMBOL_GPL(devm_blk_ksm_init);
+
 static inline struct hlist_head *
 blk_ksm_hash_bucket_for_key(struct blk_keyslot_manager *ksm,
 			    const struct blk_crypto_key *key)
@@ -205,6 +239,10 @@
 	int err;
 
 	*slot_ptr = NULL;
+
+	if (blk_ksm_is_passthrough(ksm))
+		return BLK_STS_OK;
+
 	down_read(&ksm->lock);
 	slot = blk_ksm_find_and_grab_keyslot(ksm, key);
 	up_read(&ksm->lock);
@@ -302,6 +340,13 @@
 		return false;
 	if (ksm->max_dun_bytes_supported < cfg->dun_bytes)
 		return false;
+	if (cfg->is_hw_wrapped) {
+		if (!(ksm->features & BLK_CRYPTO_FEATURE_WRAPPED_KEYS))
+			return false;
+	} else {
+		if (!(ksm->features & BLK_CRYPTO_FEATURE_STANDARD_KEYS))
+			return false;
+	}
 	return true;
 }
 
@@ -316,6 +361,16 @@
 	struct blk_ksm_keyslot *slot;
 	int err;
 
+	if (blk_ksm_is_passthrough(ksm)) {
+		if (ksm->ksm_ll_ops.keyslot_evict) {
+			blk_ksm_hw_enter(ksm);
+			err = ksm->ksm_ll_ops.keyslot_evict(ksm, key, -1);
+			blk_ksm_hw_exit(ksm);
+			return err;
+		}
+		return 0;
+	}
+
 	blk_ksm_hw_enter(ksm);
 	slot = blk_ksm_find_keyslot(ksm, key);
 	if (!slot) {
@@ -359,6 +414,9 @@
 {
 	unsigned int slot;
 
+	if (blk_ksm_is_passthrough(ksm))
+		return;
+
 	/* This is for device initialization, so don't resume the device */
 	down_write(&ksm->lock);
 	for (slot = 0; slot < ksm->num_slots; slot++) {
@@ -400,3 +458,172 @@
 {
 	q->ksm = NULL;
 }
+
+/**
+ * blk_ksm_derive_raw_secret() - Derive software secret from wrapped key
+ * @ksm: The keyslot manager
+ * @wrapped_key: The wrapped key
+ * @wrapped_key_size: Size of the wrapped key in bytes
+ * @secret: (output) the software secret
+ * @secret_size: (output) the number of secret bytes to derive
+ *
+ * Given a hardware-wrapped key, ask the hardware to derive a secret which
+ * software can use for cryptographic tasks other than inline encryption.  The
+ * derived secret is guaranteed to be cryptographically isolated from the key
+ * with which any inline encryption with this wrapped key would actually be
+ * done.  I.e., both will be derived from the unwrapped key.
+ *
+ * Return: 0 on success, -EOPNOTSUPP if hardware-wrapped keys are unsupported,
+ *	   or another -errno code.
+ */
+int blk_ksm_derive_raw_secret(struct blk_keyslot_manager *ksm,
+			      const u8 *wrapped_key,
+			      unsigned int wrapped_key_size,
+			      u8 *secret, unsigned int secret_size)
+{
+	int err;
+
+	if (ksm->ksm_ll_ops.derive_raw_secret) {
+		blk_ksm_hw_enter(ksm);
+		err = ksm->ksm_ll_ops.derive_raw_secret(ksm, wrapped_key,
+							wrapped_key_size,
+							secret, secret_size);
+		blk_ksm_hw_exit(ksm);
+	} else {
+		err = -EOPNOTSUPP;
+	}
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_derive_raw_secret);
+
+/**
+ * blk_ksm_intersect_modes() - restrict supported modes by child device
+ * @parent: The keyslot manager for parent device
+ * @child: The keyslot manager for child device, or NULL
+ *
+ * Clear any crypto mode support bits in @parent that aren't set in @child.
+ * If @child is NULL, then all parent bits are cleared.
+ *
+ * Only use this when setting up the keyslot manager for a layered device,
+ * before it's been exposed yet.
+ */
+void blk_ksm_intersect_modes(struct blk_keyslot_manager *parent,
+			     const struct blk_keyslot_manager *child)
+{
+	if (child) {
+		unsigned int i;
+
+		parent->max_dun_bytes_supported =
+			min(parent->max_dun_bytes_supported,
+			    child->max_dun_bytes_supported);
+		for (i = 0; i < ARRAY_SIZE(child->crypto_modes_supported);
+		     i++) {
+			parent->crypto_modes_supported[i] &=
+				child->crypto_modes_supported[i];
+		}
+		parent->features &= child->features;
+	} else {
+		parent->max_dun_bytes_supported = 0;
+		memset(parent->crypto_modes_supported, 0,
+		       sizeof(parent->crypto_modes_supported));
+		parent->features = 0;
+	}
+}
+EXPORT_SYMBOL_GPL(blk_ksm_intersect_modes);
+
+/**
+ * blk_ksm_is_superset() - Check if a KSM supports a superset of crypto modes
+ *			   and DUN bytes that another KSM supports. Here,
+ *			   "superset" refers to the mathematical meaning of the
+ *			   word - i.e. if two KSMs have the *same* capabilities,
+ *			   they *are* considered supersets of each other.
+ * @ksm_superset: The KSM that we want to verify is a superset
+ * @ksm_subset: The KSM that we want to verify is a subset
+ *
+ * Return: True if @ksm_superset supports a superset of the crypto modes and DUN
+ *	   bytes that @ksm_subset supports.
+ */
+bool blk_ksm_is_superset(struct blk_keyslot_manager *ksm_superset,
+			 struct blk_keyslot_manager *ksm_subset)
+{
+	int i;
+
+	if (!ksm_subset)
+		return true;
+
+	if (!ksm_superset)
+		return false;
+
+	for (i = 0; i < ARRAY_SIZE(ksm_superset->crypto_modes_supported); i++) {
+		if (ksm_subset->crypto_modes_supported[i] &
+		    (~ksm_superset->crypto_modes_supported[i])) {
+			return false;
+		}
+	}
+
+	if (ksm_subset->max_dun_bytes_supported >
+	    ksm_superset->max_dun_bytes_supported) {
+		return false;
+	}
+
+	if (ksm_subset->features & ~ksm_superset->features)
+		return false;
+
+	return true;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_is_superset);
+
+/**
+ * blk_ksm_update_capabilities() - Update the restrictions of a KSM to those of
+ *				   another KSM
+ * @target_ksm: The KSM whose restrictions to update.
+ * @reference_ksm: The KSM to whose restrictions this function will update
+ *		   @target_ksm's restrictions to.
+ *
+ * Blk-crypto requires that crypto capabilities that were
+ * advertised when a bio was created continue to be supported by the
+ * device until that bio is ended. This is turn means that a device cannot
+ * shrink its advertised crypto capabilities without any explicit
+ * synchronization with upper layers. So if there's no such explicit
+ * synchronization, @reference_ksm must support all the crypto capabilities that
+ * @target_ksm does
+ * (i.e. we need blk_ksm_is_superset(@reference_ksm, @target_ksm) == true).
+ *
+ * Note also that as long as the crypto capabilities are being expanded, the
+ * order of updates becoming visible is not important because it's alright
+ * for blk-crypto to see stale values - they only cause blk-crypto to
+ * believe that a crypto capability isn't supported when it actually is (which
+ * might result in blk-crypto-fallback being used if available, or the bio being
+ * failed).
+ */
+void blk_ksm_update_capabilities(struct blk_keyslot_manager *target_ksm,
+				 struct blk_keyslot_manager *reference_ksm)
+{
+	memcpy(target_ksm->crypto_modes_supported,
+	       reference_ksm->crypto_modes_supported,
+	       sizeof(target_ksm->crypto_modes_supported));
+
+	target_ksm->max_dun_bytes_supported =
+				reference_ksm->max_dun_bytes_supported;
+
+	target_ksm->features = reference_ksm->features;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_update_capabilities);
+
+/**
+ * blk_ksm_init_passthrough() - Init a passthrough keyslot manager
+ * @ksm: The keyslot manager to init
+ *
+ * Initialize a passthrough keyslot manager.
+ * Called by e.g. storage drivers to set up a keyslot manager in their
+ * request_queue, when the storage driver wants to manage its keys by itself.
+ * This is useful for inline encryption hardware that doesn't have the concept
+ * of keyslots, and for layered devices.
+ */
+void blk_ksm_init_passthrough(struct blk_keyslot_manager *ksm)
+{
+	memset(ksm, 0, sizeof(*ksm));
+	init_rwsem(&ksm->lock);
+}
+EXPORT_SYMBOL_GPL(blk_ksm_init_passthrough);
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index 7f9ef77..54e6de6 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -1030,6 +1030,7 @@
 #endif
 	.elevator_attrs = kyber_sched_attrs,
 	.elevator_name = "kyber",
+	.elevator_features = ELEVATOR_F_MQ_AWARE,
 	.elevator_owner = THIS_MODULE,
 };
 
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index e4e9076..eb5ea7f 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -29,45 +29,103 @@
  */
 static const int read_expire = HZ / 2;  /* max time before a read is submitted. */
 static const int write_expire = 5 * HZ; /* ditto for writes, these limits are SOFT! */
+/*
+ * Time after which to dispatch lower priority requests even if higher
+ * priority requests are pending.
+ */
+static const int prio_aging_expire = 10 * HZ;
 static const int writes_starved = 2;    /* max times reads can starve a write */
 static const int fifo_batch = 16;       /* # of sequential requests treated as one
 				     by the above parameters. For throughput. */
 
+enum dd_data_dir {
+	DD_READ		= READ,
+	DD_WRITE	= WRITE,
+};
+
+enum { DD_DIR_COUNT = 2 };
+
+enum dd_prio {
+	DD_RT_PRIO	= 0,
+	DD_BE_PRIO	= 1,
+	DD_IDLE_PRIO	= 2,
+	DD_PRIO_MAX	= 2,
+};
+
+enum { DD_PRIO_COUNT = 3 };
+
+/*
+ * I/O statistics per I/O priority. It is fine if these counters overflow.
+ * What matters is that these counters are at least as wide as
+ * log2(max_outstanding_requests).
+ */
+struct io_stats_per_prio {
+	uint32_t inserted;
+	uint32_t merged;
+	uint32_t dispatched;
+	atomic_t completed;
+};
+
+/*
+ * Deadline scheduler data per I/O priority (enum dd_prio). Requests are
+ * present on both sort_list[] and fifo_list[].
+ */
+struct dd_per_prio {
+	struct list_head dispatch;
+	struct rb_root sort_list[DD_DIR_COUNT];
+	struct list_head fifo_list[DD_DIR_COUNT];
+	/* Next request in FIFO order. Read, write or both are NULL. */
+	struct request *next_rq[DD_DIR_COUNT];
+	struct io_stats_per_prio stats;
+};
+
 struct deadline_data {
 	/*
 	 * run time data
 	 */
 
-	/*
-	 * requests (deadline_rq s) are present on both sort_list and fifo_list
-	 */
-	struct rb_root sort_list[2];
-	struct list_head fifo_list[2];
+	struct dd_per_prio per_prio[DD_PRIO_COUNT];
 
-	/*
-	 * next in sort order. read, write or both are NULL
-	 */
-	struct request *next_rq[2];
+	/* Data direction of latest dispatched request. */
+	enum dd_data_dir last_dir;
 	unsigned int batching;		/* number of sequential requests made */
 	unsigned int starved;		/* times reads have starved writes */
 
 	/*
 	 * settings that change how the i/o scheduler behaves
 	 */
-	int fifo_expire[2];
+	int fifo_expire[DD_DIR_COUNT];
 	int fifo_batch;
 	int writes_starved;
 	int front_merges;
+	u32 async_depth;
+	int prio_aging_expire;
 
 	spinlock_t lock;
 	spinlock_t zone_lock;
-	struct list_head dispatch;
+};
+
+/* Maps an I/O priority class to a deadline scheduler priority. */
+static const enum dd_prio ioprio_class_to_prio[] = {
+	[IOPRIO_CLASS_NONE]	= DD_BE_PRIO,
+	[IOPRIO_CLASS_RT]	= DD_RT_PRIO,
+	[IOPRIO_CLASS_BE]	= DD_BE_PRIO,
+	[IOPRIO_CLASS_IDLE]	= DD_IDLE_PRIO,
 };
 
 static inline struct rb_root *
-deadline_rb_root(struct deadline_data *dd, struct request *rq)
+deadline_rb_root(struct dd_per_prio *per_prio, struct request *rq)
 {
-	return &dd->sort_list[rq_data_dir(rq)];
+	return &per_prio->sort_list[rq_data_dir(rq)];
+}
+
+/*
+ * Returns the I/O priority class (IOPRIO_CLASS_*) that has been assigned to a
+ * request.
+ */
+static u8 dd_rq_ioclass(struct request *rq)
+{
+	return IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
 }
 
 /*
@@ -85,38 +143,38 @@
 }
 
 static void
-deadline_add_rq_rb(struct deadline_data *dd, struct request *rq)
+deadline_add_rq_rb(struct dd_per_prio *per_prio, struct request *rq)
 {
-	struct rb_root *root = deadline_rb_root(dd, rq);
+	struct rb_root *root = deadline_rb_root(per_prio, rq);
 
 	elv_rb_add(root, rq);
 }
 
 static inline void
-deadline_del_rq_rb(struct deadline_data *dd, struct request *rq)
+deadline_del_rq_rb(struct dd_per_prio *per_prio, struct request *rq)
 {
-	const int data_dir = rq_data_dir(rq);
+	const enum dd_data_dir data_dir = rq_data_dir(rq);
 
-	if (dd->next_rq[data_dir] == rq)
-		dd->next_rq[data_dir] = deadline_latter_request(rq);
+	if (per_prio->next_rq[data_dir] == rq)
+		per_prio->next_rq[data_dir] = deadline_latter_request(rq);
 
-	elv_rb_del(deadline_rb_root(dd, rq), rq);
+	elv_rb_del(deadline_rb_root(per_prio, rq), rq);
 }
 
 /*
  * remove rq from rbtree and fifo.
  */
-static void deadline_remove_request(struct request_queue *q, struct request *rq)
+static void deadline_remove_request(struct request_queue *q,
+				    struct dd_per_prio *per_prio,
+				    struct request *rq)
 {
-	struct deadline_data *dd = q->elevator->elevator_data;
-
 	list_del_init(&rq->queuelist);
 
 	/*
 	 * We might not be on the rbtree, if we are doing an insert merge
 	 */
 	if (!RB_EMPTY_NODE(&rq->rb_node))
-		deadline_del_rq_rb(dd, rq);
+		deadline_del_rq_rb(per_prio, rq);
 
 	elv_rqhash_del(q, rq);
 	if (q->last_merge == rq)
@@ -127,19 +185,33 @@
 			      enum elv_merge type)
 {
 	struct deadline_data *dd = q->elevator->elevator_data;
+	const u8 ioprio_class = dd_rq_ioclass(req);
+	const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];
 
 	/*
 	 * if the merge was a front merge, we need to reposition request
 	 */
 	if (type == ELEVATOR_FRONT_MERGE) {
-		elv_rb_del(deadline_rb_root(dd, req), req);
-		deadline_add_rq_rb(dd, req);
+		elv_rb_del(deadline_rb_root(per_prio, req), req);
+		deadline_add_rq_rb(per_prio, req);
 	}
 }
 
+/*
+ * Callback function that is invoked after @next has been merged into @req.
+ */
 static void dd_merged_requests(struct request_queue *q, struct request *req,
 			       struct request *next)
 {
+	struct deadline_data *dd = q->elevator->elevator_data;
+	const u8 ioprio_class = dd_rq_ioclass(next);
+	const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+
+	lockdep_assert_held(&dd->lock);
+
+	dd->per_prio[prio].stats.merged++;
+
 	/*
 	 * if next expires before rq, assign its expire time to rq
 	 * and move into next position (next will be deleted) in fifo
@@ -155,34 +227,44 @@
 	/*
 	 * kill knowledge of next, this one is a goner
 	 */
-	deadline_remove_request(q, next);
+	deadline_remove_request(q, &dd->per_prio[prio], next);
 }
 
 /*
  * move an entry to dispatch queue
  */
 static void
-deadline_move_request(struct deadline_data *dd, struct request *rq)
+deadline_move_request(struct deadline_data *dd, struct dd_per_prio *per_prio,
+		      struct request *rq)
 {
-	const int data_dir = rq_data_dir(rq);
+	const enum dd_data_dir data_dir = rq_data_dir(rq);
 
-	dd->next_rq[READ] = NULL;
-	dd->next_rq[WRITE] = NULL;
-	dd->next_rq[data_dir] = deadline_latter_request(rq);
+	per_prio->next_rq[data_dir] = deadline_latter_request(rq);
 
 	/*
 	 * take it off the sort and fifo list
 	 */
-	deadline_remove_request(rq->q, rq);
+	deadline_remove_request(rq->q, per_prio, rq);
+}
+
+/* Number of requests queued for a given priority level. */
+static u32 dd_queued(struct deadline_data *dd, enum dd_prio prio)
+{
+	const struct io_stats_per_prio *stats = &dd->per_prio[prio].stats;
+
+	lockdep_assert_held(&dd->lock);
+
+	return stats->inserted - atomic_read(&stats->completed);
 }
 
 /*
  * deadline_check_fifo returns 0 if there are no expired requests on the fifo,
  * 1 otherwise. Requires !list_empty(&dd->fifo_list[data_dir])
  */
-static inline int deadline_check_fifo(struct deadline_data *dd, int ddir)
+static inline int deadline_check_fifo(struct dd_per_prio *per_prio,
+				      enum dd_data_dir data_dir)
 {
-	struct request *rq = rq_entry_fifo(dd->fifo_list[ddir].next);
+	struct request *rq = rq_entry_fifo(per_prio->fifo_list[data_dir].next);
 
 	/*
 	 * rq is expired!
@@ -198,19 +280,17 @@
  * dispatch using arrival ordered lists.
  */
 static struct request *
-deadline_fifo_request(struct deadline_data *dd, int data_dir)
+deadline_fifo_request(struct deadline_data *dd, struct dd_per_prio *per_prio,
+		      enum dd_data_dir data_dir)
 {
 	struct request *rq;
 	unsigned long flags;
 
-	if (WARN_ON_ONCE(data_dir != READ && data_dir != WRITE))
+	if (list_empty(&per_prio->fifo_list[data_dir]))
 		return NULL;
 
-	if (list_empty(&dd->fifo_list[data_dir]))
-		return NULL;
-
-	rq = rq_entry_fifo(dd->fifo_list[data_dir].next);
-	if (data_dir == READ || !blk_queue_is_zoned(rq->q))
+	rq = rq_entry_fifo(per_prio->fifo_list[data_dir].next);
+	if (data_dir == DD_READ || !blk_queue_is_zoned(rq->q))
 		return rq;
 
 	/*
@@ -218,7 +298,7 @@
 	 * an unlocked target zone.
 	 */
 	spin_lock_irqsave(&dd->zone_lock, flags);
-	list_for_each_entry(rq, &dd->fifo_list[WRITE], queuelist) {
+	list_for_each_entry(rq, &per_prio->fifo_list[DD_WRITE], queuelist) {
 		if (blk_req_can_dispatch_to_zone(rq))
 			goto out;
 	}
@@ -234,19 +314,17 @@
  * dispatch using sector position sorted lists.
  */
 static struct request *
-deadline_next_request(struct deadline_data *dd, int data_dir)
+deadline_next_request(struct deadline_data *dd, struct dd_per_prio *per_prio,
+		      enum dd_data_dir data_dir)
 {
 	struct request *rq;
 	unsigned long flags;
 
-	if (WARN_ON_ONCE(data_dir != READ && data_dir != WRITE))
-		return NULL;
-
-	rq = dd->next_rq[data_dir];
+	rq = per_prio->next_rq[data_dir];
 	if (!rq)
 		return NULL;
 
-	if (data_dir == READ || !blk_queue_is_zoned(rq->q))
+	if (data_dir == DD_READ || !blk_queue_is_zoned(rq->q))
 		return rq;
 
 	/*
@@ -265,31 +343,47 @@
 }
 
 /*
- * deadline_dispatch_requests selects the best request according to
- * read/write expire, fifo_batch, etc
+ * Returns true if and only if @rq started after @latest_start where
+ * @latest_start is in jiffies.
  */
-static struct request *__dd_dispatch_request(struct deadline_data *dd)
+static bool started_after(struct deadline_data *dd, struct request *rq,
+			  unsigned long latest_start)
+{
+	unsigned long start_time = (unsigned long)rq->fifo_time;
+
+	start_time -= dd->fifo_expire[rq_data_dir(rq)];
+
+	return time_after(start_time, latest_start);
+}
+
+/*
+ * deadline_dispatch_requests selects the best request according to
+ * read/write expire, fifo_batch, etc and with a start time <= @latest.
+ */
+static struct request *__dd_dispatch_request(struct deadline_data *dd,
+					     struct dd_per_prio *per_prio,
+					     unsigned long latest_start)
 {
 	struct request *rq, *next_rq;
-	bool reads, writes;
-	int data_dir;
+	enum dd_data_dir data_dir;
+	enum dd_prio prio;
+	u8 ioprio_class;
 
-	if (!list_empty(&dd->dispatch)) {
-		rq = list_first_entry(&dd->dispatch, struct request, queuelist);
+	lockdep_assert_held(&dd->lock);
+
+	if (!list_empty(&per_prio->dispatch)) {
+		rq = list_first_entry(&per_prio->dispatch, struct request,
+				      queuelist);
+		if (started_after(dd, rq, latest_start))
+			return NULL;
 		list_del_init(&rq->queuelist);
 		goto done;
 	}
 
-	reads = !list_empty(&dd->fifo_list[READ]);
-	writes = !list_empty(&dd->fifo_list[WRITE]);
-
 	/*
 	 * batches are currently reads XOR writes
 	 */
-	rq = deadline_next_request(dd, WRITE);
-	if (!rq)
-		rq = deadline_next_request(dd, READ);
-
+	rq = deadline_next_request(dd, per_prio, dd->last_dir);
 	if (rq && dd->batching < dd->fifo_batch)
 		/* we have a next request are still entitled to batch */
 		goto dispatch_request;
@@ -299,14 +393,14 @@
 	 * data direction (read / write)
 	 */
 
-	if (reads) {
-		BUG_ON(RB_EMPTY_ROOT(&dd->sort_list[READ]));
+	if (!list_empty(&per_prio->fifo_list[DD_READ])) {
+		BUG_ON(RB_EMPTY_ROOT(&per_prio->sort_list[DD_READ]));
 
-		if (deadline_fifo_request(dd, WRITE) &&
+		if (deadline_fifo_request(dd, per_prio, DD_WRITE) &&
 		    (dd->starved++ >= dd->writes_starved))
 			goto dispatch_writes;
 
-		data_dir = READ;
+		data_dir = DD_READ;
 
 		goto dispatch_find_request;
 	}
@@ -315,13 +409,13 @@
 	 * there are either no reads or writes have been starved
 	 */
 
-	if (writes) {
+	if (!list_empty(&per_prio->fifo_list[DD_WRITE])) {
 dispatch_writes:
-		BUG_ON(RB_EMPTY_ROOT(&dd->sort_list[WRITE]));
+		BUG_ON(RB_EMPTY_ROOT(&per_prio->sort_list[DD_WRITE]));
 
 		dd->starved = 0;
 
-		data_dir = WRITE;
+		data_dir = DD_WRITE;
 
 		goto dispatch_find_request;
 	}
@@ -332,14 +426,14 @@
 	/*
 	 * we are not running a batch, find best request for selected data_dir
 	 */
-	next_rq = deadline_next_request(dd, data_dir);
-	if (deadline_check_fifo(dd, data_dir) || !next_rq) {
+	next_rq = deadline_next_request(dd, per_prio, data_dir);
+	if (deadline_check_fifo(per_prio, data_dir) || !next_rq) {
 		/*
 		 * A deadline has expired, the last request was in the other
 		 * direction, or we have run out of higher-sectored requests.
 		 * Start again from the request with the earliest expiry time.
 		 */
-		rq = deadline_fifo_request(dd, data_dir);
+		rq = deadline_fifo_request(dd, per_prio, data_dir);
 	} else {
 		/*
 		 * The last req was the same dir and we have a next request in
@@ -355,15 +449,22 @@
 	if (!rq)
 		return NULL;
 
+	dd->last_dir = data_dir;
 	dd->batching = 0;
 
 dispatch_request:
+	if (started_after(dd, rq, latest_start))
+		return NULL;
+
 	/*
 	 * rq is the selected appropriate request.
 	 */
 	dd->batching++;
-	deadline_move_request(dd, rq);
+	deadline_move_request(dd, per_prio, rq);
 done:
+	ioprio_class = dd_rq_ioclass(rq);
+	prio = ioprio_class_to_prio[ioprio_class];
+	dd->per_prio[prio].stats.dispatched++;
 	/*
 	 * If the request needs its target zone locked, do it.
 	 */
@@ -373,6 +474,36 @@
 }
 
 /*
+ * Check whether there are any requests with priority other than DD_RT_PRIO
+ * that were inserted more than prio_aging_expire jiffies ago.
+ */
+static struct request *dd_dispatch_prio_aged_requests(struct deadline_data *dd,
+						      unsigned long now)
+{
+	struct request *rq;
+	enum dd_prio prio;
+	int prio_cnt;
+
+	lockdep_assert_held(&dd->lock);
+
+	prio_cnt = !!dd_queued(dd, DD_RT_PRIO) + !!dd_queued(dd, DD_BE_PRIO) +
+		   !!dd_queued(dd, DD_IDLE_PRIO);
+	if (prio_cnt < 2)
+		return NULL;
+
+	for (prio = DD_BE_PRIO; prio <= DD_PRIO_MAX; prio++) {
+		rq = __dd_dispatch_request(dd, &dd->per_prio[prio],
+					   now - dd->prio_aging_expire);
+		if (rq)
+			return rq;
+	}
+
+	return NULL;
+}
+
+/*
+ * Called from blk_mq_run_hw_queue() -> __blk_mq_sched_dispatch_requests().
+ *
  * One confusing aspect here is that we get called for a specific
  * hardware queue, but we may return a request that is for a
  * different hardware queue. This is because mq-deadline has shared
@@ -381,23 +512,91 @@
 static struct request *dd_dispatch_request(struct blk_mq_hw_ctx *hctx)
 {
 	struct deadline_data *dd = hctx->queue->elevator->elevator_data;
+	const unsigned long now = jiffies;
 	struct request *rq;
+	enum dd_prio prio;
 
 	spin_lock(&dd->lock);
-	rq = __dd_dispatch_request(dd);
-	spin_unlock(&dd->lock);
+	rq = dd_dispatch_prio_aged_requests(dd, now);
 	if (rq)
-		atomic_dec(&rq->mq_hctx->elevator_queued);
+		goto unlock;
+
+	/*
+	 * Next, dispatch requests in priority order. Ignore lower priority
+	 * requests if any higher priority requests are pending.
+	 */
+	for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
+		rq = __dd_dispatch_request(dd, &dd->per_prio[prio], now);
+		if (rq || dd_queued(dd, prio))
+			break;
+	}
+
+unlock:
+	spin_unlock(&dd->lock);
 
 	return rq;
 }
 
-static void dd_exit_queue(struct elevator_queue *e)
+/*
+ * Called by __blk_mq_alloc_request(). The shallow_depth value set by this
+ * function is used by __blk_mq_get_tag().
+ */
+static void dd_limit_depth(unsigned int op, struct blk_mq_alloc_data *data)
+{
+	struct deadline_data *dd = data->q->elevator->elevator_data;
+
+	/* Do not throttle synchronous reads. */
+	if (op_is_sync(op) && !op_is_write(op))
+		return;
+
+	/*
+	 * Throttle asynchronous requests and writes such that these requests
+	 * do not block the allocation of synchronous requests.
+	 */
+	data->shallow_depth = dd->async_depth;
+}
+
+/* Called by blk_mq_update_nr_requests(). */
+static void dd_depth_updated(struct blk_mq_hw_ctx *hctx)
+{
+	struct request_queue *q = hctx->queue;
+	struct deadline_data *dd = q->elevator->elevator_data;
+	struct blk_mq_tags *tags = hctx->sched_tags;
+
+	dd->async_depth = max(1UL, 3 * q->nr_requests / 4);
+
+	sbitmap_queue_min_shallow_depth(tags->bitmap_tags, dd->async_depth);
+}
+
+/* Called by blk_mq_init_hctx() and blk_mq_init_sched(). */
+static int dd_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx)
+{
+	dd_depth_updated(hctx);
+	return 0;
+}
+
+static void dd_exit_sched(struct elevator_queue *e)
 {
 	struct deadline_data *dd = e->elevator_data;
+	enum dd_prio prio;
 
-	BUG_ON(!list_empty(&dd->fifo_list[READ]));
-	BUG_ON(!list_empty(&dd->fifo_list[WRITE]));
+	for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
+		struct dd_per_prio *per_prio = &dd->per_prio[prio];
+		const struct io_stats_per_prio *stats = &per_prio->stats;
+		uint32_t queued;
+
+		WARN_ON_ONCE(!list_empty(&per_prio->fifo_list[DD_READ]));
+		WARN_ON_ONCE(!list_empty(&per_prio->fifo_list[DD_WRITE]));
+
+		spin_lock(&dd->lock);
+		queued = dd_queued(dd, prio);
+		spin_unlock(&dd->lock);
+
+		WARN_ONCE(queued != 0,
+			  "statistics for priority %d: i %u m %u d %u c %u\n",
+			  prio, stats->inserted, stats->merged,
+			  stats->dispatched, atomic_read(&stats->completed));
+	}
 
 	kfree(dd);
 }
@@ -405,50 +604,68 @@
 /*
  * initialize elevator private data (deadline_data).
  */
-static int dd_init_queue(struct request_queue *q, struct elevator_type *e)
+static int dd_init_sched(struct request_queue *q, struct elevator_type *e)
 {
 	struct deadline_data *dd;
 	struct elevator_queue *eq;
+	enum dd_prio prio;
+	int ret = -ENOMEM;
 
 	eq = elevator_alloc(q, e);
 	if (!eq)
-		return -ENOMEM;
+		return ret;
 
 	dd = kzalloc_node(sizeof(*dd), GFP_KERNEL, q->node);
-	if (!dd) {
-		kobject_put(&eq->kobj);
-		return -ENOMEM;
-	}
+	if (!dd)
+		goto put_eq;
+
 	eq->elevator_data = dd;
 
-	INIT_LIST_HEAD(&dd->fifo_list[READ]);
-	INIT_LIST_HEAD(&dd->fifo_list[WRITE]);
-	dd->sort_list[READ] = RB_ROOT;
-	dd->sort_list[WRITE] = RB_ROOT;
-	dd->fifo_expire[READ] = read_expire;
-	dd->fifo_expire[WRITE] = write_expire;
+	for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
+		struct dd_per_prio *per_prio = &dd->per_prio[prio];
+
+		INIT_LIST_HEAD(&per_prio->dispatch);
+		INIT_LIST_HEAD(&per_prio->fifo_list[DD_READ]);
+		INIT_LIST_HEAD(&per_prio->fifo_list[DD_WRITE]);
+		per_prio->sort_list[DD_READ] = RB_ROOT;
+		per_prio->sort_list[DD_WRITE] = RB_ROOT;
+	}
+	dd->fifo_expire[DD_READ] = read_expire;
+	dd->fifo_expire[DD_WRITE] = write_expire;
 	dd->writes_starved = writes_starved;
 	dd->front_merges = 1;
+	dd->last_dir = DD_WRITE;
 	dd->fifo_batch = fifo_batch;
+	dd->prio_aging_expire = prio_aging_expire;
 	spin_lock_init(&dd->lock);
 	spin_lock_init(&dd->zone_lock);
-	INIT_LIST_HEAD(&dd->dispatch);
 
 	q->elevator = eq;
 	return 0;
+
+put_eq:
+	kobject_put(&eq->kobj);
+	return ret;
 }
 
+/*
+ * Try to merge @bio into an existing request. If @bio has been merged into
+ * an existing request, store the pointer to that request into *@rq.
+ */
 static int dd_request_merge(struct request_queue *q, struct request **rq,
 			    struct bio *bio)
 {
 	struct deadline_data *dd = q->elevator->elevator_data;
+	const u8 ioprio_class = IOPRIO_PRIO_CLASS(bio->bi_ioprio);
+	const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];
 	sector_t sector = bio_end_sector(bio);
 	struct request *__rq;
 
 	if (!dd->front_merges)
 		return ELEVATOR_NO_MERGE;
 
-	__rq = elv_rb_find(&dd->sort_list[bio_data_dir(bio)], sector);
+	__rq = elv_rb_find(&per_prio->sort_list[bio_data_dir(bio)], sector);
 	if (__rq) {
 		BUG_ON(sector != blk_rq_pos(__rq));
 
@@ -463,6 +680,10 @@
 	return ELEVATOR_NO_MERGE;
 }
 
+/*
+ * Attempt to merge a bio into an existing request. This function is called
+ * before @bio is associated with a request.
+ */
 static bool dd_bio_merge(struct request_queue *q, struct bio *bio,
 		unsigned int nr_segs)
 {
@@ -488,7 +709,13 @@
 {
 	struct request_queue *q = hctx->queue;
 	struct deadline_data *dd = q->elevator->elevator_data;
-	const int data_dir = rq_data_dir(rq);
+	const enum dd_data_dir data_dir = rq_data_dir(rq);
+	u16 ioprio = req_get_ioprio(rq);
+	u8 ioprio_class = IOPRIO_PRIO_CLASS(ioprio);
+	struct dd_per_prio *per_prio;
+	enum dd_prio prio;
+
+	lockdep_assert_held(&dd->lock);
 
 	/*
 	 * This may be a requeue of a write request that has locked its
@@ -496,18 +723,23 @@
 	 */
 	blk_req_zone_write_unlock(rq);
 
+	prio = ioprio_class_to_prio[ioprio_class];
+	per_prio = &dd->per_prio[prio];
+	if (!rq->elv.priv[0]) {
+		per_prio->stats.inserted++;
+		rq->elv.priv[0] = (void *)(uintptr_t)1;
+	}
+
 	if (blk_mq_sched_try_insert_merge(q, rq))
 		return;
 
 	blk_mq_sched_request_inserted(rq);
 
-	if (at_head || blk_rq_is_passthrough(rq)) {
-		if (at_head)
-			list_add(&rq->queuelist, &dd->dispatch);
-		else
-			list_add_tail(&rq->queuelist, &dd->dispatch);
+	if (at_head) {
+		list_add(&rq->queuelist, &per_prio->dispatch);
+		rq->fifo_time = jiffies;
 	} else {
-		deadline_add_rq_rb(dd, rq);
+		deadline_add_rq_rb(per_prio, rq);
 
 		if (rq_mergeable(rq)) {
 			elv_rqhash_add(q, rq);
@@ -519,10 +751,13 @@
 		 * set expire time and add to fifo list
 		 */
 		rq->fifo_time = jiffies + dd->fifo_expire[data_dir];
-		list_add_tail(&rq->queuelist, &dd->fifo_list[data_dir]);
+		list_add_tail(&rq->queuelist, &per_prio->fifo_list[data_dir]);
 	}
 }
 
+/*
+ * Called from blk_mq_sched_insert_request() or blk_mq_sched_insert_requests().
+ */
 static void dd_insert_requests(struct blk_mq_hw_ctx *hctx,
 			       struct list_head *list, bool at_head)
 {
@@ -536,20 +771,31 @@
 		rq = list_first_entry(list, struct request, queuelist);
 		list_del_init(&rq->queuelist);
 		dd_insert_request(hctx, rq, at_head);
-		atomic_inc(&hctx->elevator_queued);
 	}
 	spin_unlock(&dd->lock);
 }
 
-/*
- * Nothing to do here. This is defined only to ensure that .finish_request
- * method is called upon request completion.
- */
+/* Callback from inside blk_mq_rq_ctx_init(). */
 static void dd_prepare_request(struct request *rq)
 {
+	rq->elv.priv[0] = NULL;
+}
+
+static bool dd_has_write_work(struct blk_mq_hw_ctx *hctx)
+{
+	struct deadline_data *dd = hctx->queue->elevator->elevator_data;
+	enum dd_prio p;
+
+	for (p = 0; p <= DD_PRIO_MAX; p++)
+		if (!list_empty_careful(&dd->per_prio[p].fifo_list[DD_WRITE]))
+			return true;
+
+	return false;
 }
 
 /*
+ * Callback from inside blk_mq_free_request().
+ *
  * For zoned block devices, write unlock the target zone of
  * completed write requests. Do this while holding the zone lock
  * spinlock so that the zone is never unlocked while deadline_fifo_request()
@@ -566,86 +812,103 @@
 static void dd_finish_request(struct request *rq)
 {
 	struct request_queue *q = rq->q;
+	struct deadline_data *dd = q->elevator->elevator_data;
+	const u8 ioprio_class = dd_rq_ioclass(rq);
+	const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];
+
+	/*
+	 * The block layer core may call dd_finish_request() without having
+	 * called dd_insert_requests(). Skip requests that bypassed I/O
+	 * scheduling. See also blk_mq_request_bypass_insert().
+	 */
+	if (!rq->elv.priv[0])
+		return;
+
+	atomic_inc(&per_prio->stats.completed);
 
 	if (blk_queue_is_zoned(q)) {
-		struct deadline_data *dd = q->elevator->elevator_data;
 		unsigned long flags;
 
 		spin_lock_irqsave(&dd->zone_lock, flags);
 		blk_req_zone_write_unlock(rq);
-		if (!list_empty(&dd->fifo_list[WRITE]))
-			blk_mq_sched_mark_restart_hctx(rq->mq_hctx);
 		spin_unlock_irqrestore(&dd->zone_lock, flags);
+
+		if (dd_has_write_work(rq->mq_hctx))
+			blk_mq_sched_mark_restart_hctx(rq->mq_hctx);
 	}
 }
 
+static bool dd_has_work_for_prio(struct dd_per_prio *per_prio)
+{
+	return !list_empty_careful(&per_prio->dispatch) ||
+		!list_empty_careful(&per_prio->fifo_list[DD_READ]) ||
+		!list_empty_careful(&per_prio->fifo_list[DD_WRITE]);
+}
+
 static bool dd_has_work(struct blk_mq_hw_ctx *hctx)
 {
 	struct deadline_data *dd = hctx->queue->elevator->elevator_data;
+	enum dd_prio prio;
 
-	if (!atomic_read(&hctx->elevator_queued))
-		return false;
+	for (prio = 0; prio <= DD_PRIO_MAX; prio++)
+		if (dd_has_work_for_prio(&dd->per_prio[prio]))
+			return true;
 
-	return !list_empty_careful(&dd->dispatch) ||
-		!list_empty_careful(&dd->fifo_list[0]) ||
-		!list_empty_careful(&dd->fifo_list[1]);
+	return false;
 }
 
 /*
  * sysfs parts below
  */
-static ssize_t
-deadline_var_show(int var, char *page)
-{
-	return sprintf(page, "%d\n", var);
-}
-
-static void
-deadline_var_store(int *var, const char *page)
-{
-	char *p = (char *) page;
-
-	*var = simple_strtol(p, &p, 10);
-}
-
-#define SHOW_FUNCTION(__FUNC, __VAR, __CONV)				\
+#define SHOW_INT(__FUNC, __VAR)						\
 static ssize_t __FUNC(struct elevator_queue *e, char *page)		\
 {									\
 	struct deadline_data *dd = e->elevator_data;			\
-	int __data = __VAR;						\
-	if (__CONV)							\
-		__data = jiffies_to_msecs(__data);			\
-	return deadline_var_show(__data, (page));			\
+									\
+	return sysfs_emit(page, "%d\n", __VAR);				\
 }
-SHOW_FUNCTION(deadline_read_expire_show, dd->fifo_expire[READ], 1);
-SHOW_FUNCTION(deadline_write_expire_show, dd->fifo_expire[WRITE], 1);
-SHOW_FUNCTION(deadline_writes_starved_show, dd->writes_starved, 0);
-SHOW_FUNCTION(deadline_front_merges_show, dd->front_merges, 0);
-SHOW_FUNCTION(deadline_fifo_batch_show, dd->fifo_batch, 0);
-#undef SHOW_FUNCTION
+#define SHOW_JIFFIES(__FUNC, __VAR) SHOW_INT(__FUNC, jiffies_to_msecs(__VAR))
+SHOW_JIFFIES(deadline_read_expire_show, dd->fifo_expire[DD_READ]);
+SHOW_JIFFIES(deadline_write_expire_show, dd->fifo_expire[DD_WRITE]);
+SHOW_JIFFIES(deadline_prio_aging_expire_show, dd->prio_aging_expire);
+SHOW_INT(deadline_writes_starved_show, dd->writes_starved);
+SHOW_INT(deadline_front_merges_show, dd->front_merges);
+SHOW_INT(deadline_async_depth_show, dd->async_depth);
+SHOW_INT(deadline_fifo_batch_show, dd->fifo_batch);
+#undef SHOW_INT
+#undef SHOW_JIFFIES
 
 #define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV)			\
 static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count)	\
 {									\
 	struct deadline_data *dd = e->elevator_data;			\
-	int __data;							\
-	deadline_var_store(&__data, (page));				\
+	int __data, __ret;						\
+									\
+	__ret = kstrtoint(page, 0, &__data);				\
+	if (__ret < 0)							\
+		return __ret;						\
 	if (__data < (MIN))						\
 		__data = (MIN);						\
 	else if (__data > (MAX))					\
 		__data = (MAX);						\
-	if (__CONV)							\
-		*(__PTR) = msecs_to_jiffies(__data);			\
-	else								\
-		*(__PTR) = __data;					\
+	*(__PTR) = __CONV(__data);					\
 	return count;							\
 }
-STORE_FUNCTION(deadline_read_expire_store, &dd->fifo_expire[READ], 0, INT_MAX, 1);
-STORE_FUNCTION(deadline_write_expire_store, &dd->fifo_expire[WRITE], 0, INT_MAX, 1);
-STORE_FUNCTION(deadline_writes_starved_store, &dd->writes_starved, INT_MIN, INT_MAX, 0);
-STORE_FUNCTION(deadline_front_merges_store, &dd->front_merges, 0, 1, 0);
-STORE_FUNCTION(deadline_fifo_batch_store, &dd->fifo_batch, 0, INT_MAX, 0);
+#define STORE_INT(__FUNC, __PTR, MIN, MAX)				\
+	STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, )
+#define STORE_JIFFIES(__FUNC, __PTR, MIN, MAX)				\
+	STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, msecs_to_jiffies)
+STORE_JIFFIES(deadline_read_expire_store, &dd->fifo_expire[DD_READ], 0, INT_MAX);
+STORE_JIFFIES(deadline_write_expire_store, &dd->fifo_expire[DD_WRITE], 0, INT_MAX);
+STORE_JIFFIES(deadline_prio_aging_expire_store, &dd->prio_aging_expire, 0, INT_MAX);
+STORE_INT(deadline_writes_starved_store, &dd->writes_starved, INT_MIN, INT_MAX);
+STORE_INT(deadline_front_merges_store, &dd->front_merges, 0, 1);
+STORE_INT(deadline_async_depth_store, &dd->async_depth, 1, INT_MAX);
+STORE_INT(deadline_fifo_batch_store, &dd->fifo_batch, 0, INT_MAX);
 #undef STORE_FUNCTION
+#undef STORE_INT
+#undef STORE_JIFFIES
 
 #define DD_ATTR(name) \
 	__ATTR(name, 0644, deadline_##name##_show, deadline_##name##_store)
@@ -655,21 +918,24 @@
 	DD_ATTR(write_expire),
 	DD_ATTR(writes_starved),
 	DD_ATTR(front_merges),
+	DD_ATTR(async_depth),
 	DD_ATTR(fifo_batch),
+	DD_ATTR(prio_aging_expire),
 	__ATTR_NULL
 };
 
 #ifdef CONFIG_BLK_DEBUG_FS
-#define DEADLINE_DEBUGFS_DDIR_ATTRS(ddir, name)				\
+#define DEADLINE_DEBUGFS_DDIR_ATTRS(prio, data_dir, name)		\
 static void *deadline_##name##_fifo_start(struct seq_file *m,		\
 					  loff_t *pos)			\
 	__acquires(&dd->lock)						\
 {									\
 	struct request_queue *q = m->private;				\
 	struct deadline_data *dd = q->elevator->elevator_data;		\
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];		\
 									\
 	spin_lock(&dd->lock);						\
-	return seq_list_start(&dd->fifo_list[ddir], *pos);		\
+	return seq_list_start(&per_prio->fifo_list[data_dir], *pos);	\
 }									\
 									\
 static void *deadline_##name##_fifo_next(struct seq_file *m, void *v,	\
@@ -677,8 +943,9 @@
 {									\
 	struct request_queue *q = m->private;				\
 	struct deadline_data *dd = q->elevator->elevator_data;		\
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];		\
 									\
-	return seq_list_next(v, &dd->fifo_list[ddir], pos);		\
+	return seq_list_next(v, &per_prio->fifo_list[data_dir], pos);	\
 }									\
 									\
 static void deadline_##name##_fifo_stop(struct seq_file *m, void *v)	\
@@ -702,14 +969,20 @@
 {									\
 	struct request_queue *q = data;					\
 	struct deadline_data *dd = q->elevator->elevator_data;		\
-	struct request *rq = dd->next_rq[ddir];				\
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];		\
+	struct request *rq = per_prio->next_rq[data_dir];		\
 									\
 	if (rq)								\
 		__blk_mq_debugfs_rq_show(m, rq);			\
 	return 0;							\
 }
-DEADLINE_DEBUGFS_DDIR_ATTRS(READ, read)
-DEADLINE_DEBUGFS_DDIR_ATTRS(WRITE, write)
+
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_RT_PRIO, DD_READ, read0);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_RT_PRIO, DD_WRITE, write0);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_BE_PRIO, DD_READ, read1);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_BE_PRIO, DD_WRITE, write1);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_IDLE_PRIO, DD_READ, read2);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_IDLE_PRIO, DD_WRITE, write2);
 #undef DEADLINE_DEBUGFS_DDIR_ATTRS
 
 static int deadline_batching_show(void *data, struct seq_file *m)
@@ -730,49 +1003,130 @@
 	return 0;
 }
 
-static void *deadline_dispatch_start(struct seq_file *m, loff_t *pos)
-	__acquires(&dd->lock)
+static int dd_async_depth_show(void *data, struct seq_file *m)
 {
-	struct request_queue *q = m->private;
+	struct request_queue *q = data;
 	struct deadline_data *dd = q->elevator->elevator_data;
 
+	seq_printf(m, "%u\n", dd->async_depth);
+	return 0;
+}
+
+static int dd_queued_show(void *data, struct seq_file *m)
+{
+	struct request_queue *q = data;
+	struct deadline_data *dd = q->elevator->elevator_data;
+	u32 rt, be, idle;
+
 	spin_lock(&dd->lock);
-	return seq_list_start(&dd->dispatch, *pos);
-}
-
-static void *deadline_dispatch_next(struct seq_file *m, void *v, loff_t *pos)
-{
-	struct request_queue *q = m->private;
-	struct deadline_data *dd = q->elevator->elevator_data;
-
-	return seq_list_next(v, &dd->dispatch, pos);
-}
-
-static void deadline_dispatch_stop(struct seq_file *m, void *v)
-	__releases(&dd->lock)
-{
-	struct request_queue *q = m->private;
-	struct deadline_data *dd = q->elevator->elevator_data;
-
+	rt = dd_queued(dd, DD_RT_PRIO);
+	be = dd_queued(dd, DD_BE_PRIO);
+	idle = dd_queued(dd, DD_IDLE_PRIO);
 	spin_unlock(&dd->lock);
+
+	seq_printf(m, "%u %u %u\n", rt, be, idle);
+
+	return 0;
 }
 
-static const struct seq_operations deadline_dispatch_seq_ops = {
-	.start	= deadline_dispatch_start,
-	.next	= deadline_dispatch_next,
-	.stop	= deadline_dispatch_stop,
-	.show	= blk_mq_debugfs_rq_show,
-};
+/* Number of requests owned by the block driver for a given priority. */
+static u32 dd_owned_by_driver(struct deadline_data *dd, enum dd_prio prio)
+{
+	const struct io_stats_per_prio *stats = &dd->per_prio[prio].stats;
 
-#define DEADLINE_QUEUE_DDIR_ATTRS(name)						\
-	{#name "_fifo_list", 0400, .seq_ops = &deadline_##name##_fifo_seq_ops},	\
+	lockdep_assert_held(&dd->lock);
+
+	return stats->dispatched + stats->merged -
+		atomic_read(&stats->completed);
+}
+
+static int dd_owned_by_driver_show(void *data, struct seq_file *m)
+{
+	struct request_queue *q = data;
+	struct deadline_data *dd = q->elevator->elevator_data;
+	u32 rt, be, idle;
+
+	spin_lock(&dd->lock);
+	rt = dd_owned_by_driver(dd, DD_RT_PRIO);
+	be = dd_owned_by_driver(dd, DD_BE_PRIO);
+	idle = dd_owned_by_driver(dd, DD_IDLE_PRIO);
+	spin_unlock(&dd->lock);
+
+	seq_printf(m, "%u %u %u\n", rt, be, idle);
+
+	return 0;
+}
+
+#define DEADLINE_DISPATCH_ATTR(prio)					\
+static void *deadline_dispatch##prio##_start(struct seq_file *m,	\
+					     loff_t *pos)		\
+	__acquires(&dd->lock)						\
+{									\
+	struct request_queue *q = m->private;				\
+	struct deadline_data *dd = q->elevator->elevator_data;		\
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];		\
+									\
+	spin_lock(&dd->lock);						\
+	return seq_list_start(&per_prio->dispatch, *pos);		\
+}									\
+									\
+static void *deadline_dispatch##prio##_next(struct seq_file *m,		\
+					    void *v, loff_t *pos)	\
+{									\
+	struct request_queue *q = m->private;				\
+	struct deadline_data *dd = q->elevator->elevator_data;		\
+	struct dd_per_prio *per_prio = &dd->per_prio[prio];		\
+									\
+	return seq_list_next(v, &per_prio->dispatch, pos);		\
+}									\
+									\
+static void deadline_dispatch##prio##_stop(struct seq_file *m, void *v)	\
+	__releases(&dd->lock)						\
+{									\
+	struct request_queue *q = m->private;				\
+	struct deadline_data *dd = q->elevator->elevator_data;		\
+									\
+	spin_unlock(&dd->lock);						\
+}									\
+									\
+static const struct seq_operations deadline_dispatch##prio##_seq_ops = { \
+	.start	= deadline_dispatch##prio##_start,			\
+	.next	= deadline_dispatch##prio##_next,			\
+	.stop	= deadline_dispatch##prio##_stop,			\
+	.show	= blk_mq_debugfs_rq_show,				\
+}
+
+DEADLINE_DISPATCH_ATTR(0);
+DEADLINE_DISPATCH_ATTR(1);
+DEADLINE_DISPATCH_ATTR(2);
+#undef DEADLINE_DISPATCH_ATTR
+
+#define DEADLINE_QUEUE_DDIR_ATTRS(name)					\
+	{#name "_fifo_list", 0400,					\
+			.seq_ops = &deadline_##name##_fifo_seq_ops}
+#define DEADLINE_NEXT_RQ_ATTR(name)					\
 	{#name "_next_rq", 0400, deadline_##name##_next_rq_show}
 static const struct blk_mq_debugfs_attr deadline_queue_debugfs_attrs[] = {
-	DEADLINE_QUEUE_DDIR_ATTRS(read),
-	DEADLINE_QUEUE_DDIR_ATTRS(write),
+	DEADLINE_QUEUE_DDIR_ATTRS(read0),
+	DEADLINE_QUEUE_DDIR_ATTRS(write0),
+	DEADLINE_QUEUE_DDIR_ATTRS(read1),
+	DEADLINE_QUEUE_DDIR_ATTRS(write1),
+	DEADLINE_QUEUE_DDIR_ATTRS(read2),
+	DEADLINE_QUEUE_DDIR_ATTRS(write2),
+	DEADLINE_NEXT_RQ_ATTR(read0),
+	DEADLINE_NEXT_RQ_ATTR(write0),
+	DEADLINE_NEXT_RQ_ATTR(read1),
+	DEADLINE_NEXT_RQ_ATTR(write1),
+	DEADLINE_NEXT_RQ_ATTR(read2),
+	DEADLINE_NEXT_RQ_ATTR(write2),
 	{"batching", 0400, deadline_batching_show},
 	{"starved", 0400, deadline_starved_show},
-	{"dispatch", 0400, .seq_ops = &deadline_dispatch_seq_ops},
+	{"async_depth", 0400, dd_async_depth_show},
+	{"dispatch0", 0400, .seq_ops = &deadline_dispatch0_seq_ops},
+	{"dispatch1", 0400, .seq_ops = &deadline_dispatch1_seq_ops},
+	{"dispatch2", 0400, .seq_ops = &deadline_dispatch2_seq_ops},
+	{"owned_by_driver", 0400, dd_owned_by_driver_show},
+	{"queued", 0400, dd_queued_show},
 	{},
 };
 #undef DEADLINE_QUEUE_DDIR_ATTRS
@@ -780,6 +1134,8 @@
 
 static struct elevator_type mq_deadline = {
 	.ops = {
+		.depth_updated		= dd_depth_updated,
+		.limit_depth		= dd_limit_depth,
 		.insert_requests	= dd_insert_requests,
 		.dispatch_request	= dd_dispatch_request,
 		.prepare_request	= dd_prepare_request,
@@ -791,8 +1147,9 @@
 		.requests_merged	= dd_merged_requests,
 		.request_merged		= dd_request_merged,
 		.has_work		= dd_has_work,
-		.init_sched		= dd_init_queue,
-		.exit_sched		= dd_exit_queue,
+		.init_sched		= dd_init_sched,
+		.exit_sched		= dd_exit_sched,
+		.init_hctx		= dd_init_hctx,
 	},
 
 #ifdef CONFIG_BLK_DEBUG_FS
@@ -819,6 +1176,6 @@
 module_init(deadline_init);
 module_exit(deadline_exit);
 
-MODULE_AUTHOR("Jens Axboe");
+MODULE_AUTHOR("Jens Axboe, Damien Le Moal and Bart Van Assche");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("MQ deadline IO scheduler");
diff --git a/block/vendor_hooks.c b/block/vendor_hooks.c
new file mode 100644
index 0000000..db033b9
--- /dev/null
+++ b/block/vendor_hooks.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* vendor_hook.c
+ *
+ * Copyright 2022 Google LLC
+ */
+#include "blk.h"
+#include "blk-mq-tag.h"
+#include "blk-mq.h"
+#include <linux/blk-mq.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/tracepoint.h>
+#include <trace/hooks/block.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_blk_alloc_rqs);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_blk_rq_ctx_init);
+
+/*
+ * For type visibility
+ */
+const struct blk_mq_alloc_data *GKI_struct_blk_mq_alloc_data;
+EXPORT_SYMBOL_GPL(GKI_struct_blk_mq_alloc_data);
+
diff --git a/build.config.aarch64 b/build.config.aarch64
new file mode 100644
index 0000000..2bf2c15
--- /dev/null
+++ b/build.config.aarch64
@@ -0,0 +1,14 @@
+ARCH=arm64
+MAKE_GOALS="
+Image
+modules
+"
+
+FILES="
+arch/arm64/boot/Image
+vmlinux
+System.map
+vmlinux.symvers
+modules.builtin
+modules.builtin.modinfo
+"
diff --git a/build.config.allmodconfig b/build.config.allmodconfig
new file mode 100644
index 0000000..fe3aefa
--- /dev/null
+++ b/build.config.allmodconfig
@@ -0,0 +1,13 @@
+DEFCONFIG=allmodconfig
+
+POST_DEFCONFIG_CMDS="update_config"
+function update_config() {
+    ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+         -d TEST_KMOD  \
+         -d CPU_BIG_ENDIAN \
+         -d DYNAMIC_FTRACE \
+         -e UNWINDER_FRAME_POINTER \
+
+    (cd ${OUT_DIR} && \
+     make O=${OUT_DIR} $archsubarch CROSS_COMPILE=${CROSS_COMPILE} ${TOOL_ARGS} ${MAKE_ARGS} olddefconfig)
+}
diff --git a/build.config.allmodconfig.aarch64 b/build.config.allmodconfig.aarch64
new file mode 100644
index 0000000..2fbe380
--- /dev/null
+++ b/build.config.allmodconfig.aarch64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.allmodconfig
+
diff --git a/build.config.allmodconfig.arm b/build.config.allmodconfig.arm
new file mode 100644
index 0000000..e92744a
--- /dev/null
+++ b/build.config.allmodconfig.arm
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.arm
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.allmodconfig
+
diff --git a/build.config.allmodconfig.x86_64 b/build.config.allmodconfig.x86_64
new file mode 100644
index 0000000..f06b30c
--- /dev/null
+++ b/build.config.allmodconfig.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.allmodconfig
+
diff --git a/build.config.amlogic b/build.config.amlogic
new file mode 100644
index 0000000..ec0741a
--- /dev/null
+++ b/build.config.amlogic
@@ -0,0 +1,32 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+
+DEFCONFIG=amlogic_gki_defconfig
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/${KERNEL_DIR}/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/amlogic_gki.fragment"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+
+# needed for DT overlay support
+DTC_FLAGS="-@"
+
+MAKE_GOALS="${MAKE_GOALS}
+dtbs
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.lz4
+arch/arm64/boot/dts/amlogic/meson-g12a-sei510*.dtb
+arch/arm64/boot/dts/amlogic/meson-sm1-sei610*.dtb
+arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l*.dtb
+arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3*.dtb
+"
+
+#
+# NOTE: Using Image.lz4 in MAKE_GOALS does not work because
+#   kernel build passes legacy option (-l) to lz4 command
+#   and u-boot fails to decompress.  Instead, add custom
+#   command to lz4 compress same options as kernel, but
+#   without the -l.
+#
+EXTRA_CMDS="lz4_compress"
+function lz4_compress() {
+        lz4 -f -12 --favor-decSpeed ${OUT_DIR}/arch/arm64/boot/Image ${OUT_DIR}/arch/arm64/boot/Image.lz4
+}
diff --git a/build.config.arm b/build.config.arm
new file mode 100644
index 0000000..832c3c0
--- /dev/null
+++ b/build.config.arm
@@ -0,0 +1,11 @@
+ARCH=arm
+MAKE_GOALS="
+zImage
+modules
+"
+
+FILES="
+arch/arm/boot/zImage
+vmlinux
+System.map
+"
diff --git a/build.config.common b/build.config.common
new file mode 100644
index 0000000..a07fb7f
--- /dev/null
+++ b/build.config.common
@@ -0,0 +1,19 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.constants
+
+KMI_GENERATION=4
+
+LLVM=1
+DEPMOD=depmod
+CLANG_PREBUILT_BIN=prebuilts/clang/host/linux-x86/clang-${CLANG_VERSION}/bin
+BUILDTOOLS_PREBUILT_BIN=build/kernel/build-tools/path/linux-x86
+DTC=${ROOT_DIR}/${BUILDTOOLS_PREBUILT_BIN}/dtc
+
+KCFLAGS="${KCFLAGS} -D__ANDROID_COMMON_KERNEL__"
+EXTRA_CMDS=''
+STOP_SHIP_TRACEPRINTK=1
+IN_KERNEL_MODULES=1
+DO_NOT_STRIP_MODULES=1
+
+HERMETIC_TOOLCHAIN=${HERMETIC_TOOLCHAIN:-1}
+
+KLEAF_SUPPRESS_BUILD_SH_DEPRECATION_WARNING=${KLEAF_SUPPRESS_BUILD_SH_DEPRECATION_WARNING:-1}
diff --git a/build.config.constants b/build.config.constants
new file mode 100644
index 0000000..028ad6a
--- /dev/null
+++ b/build.config.constants
@@ -0,0 +1,2 @@
+BRANCH=android13-5.10
+CLANG_VERSION=r450784e
diff --git a/build.config.db845c b/build.config.db845c
new file mode 100644
index 0000000..05631c0
--- /dev/null
+++ b/build.config.db845c
@@ -0,0 +1,23 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+
+BUILD_INITRAMFS=1
+DEFCONFIG=db845c_gki_defconfig
+FRAGMENT_CONFIG=${KERNEL_DIR}/arch/arm64/configs/db845c_gki.fragment
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/${KERNEL_DIR}/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${FRAGMENT_CONFIG}"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+
+DTC_FLAGS="${DTC_FLAGS} -@"
+
+MAKE_GOALS="${MAKE_GOALS}
+qcom/sdm845-db845c.dtb
+Image.gz
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.gz
+arch/arm64/boot/dts/qcom/sdm845-db845c.dtb
+vmlinux
+"
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_db845c
+GKI_MODULES_LIST=android/gki_aarch64_modules
diff --git a/build.config.gki b/build.config.gki
new file mode 100644
index 0000000..44d4ed1
--- /dev/null
+++ b/build.config.gki
@@ -0,0 +1,3 @@
+DEFCONFIG=gki_defconfig
+POST_DEFCONFIG_CMDS="check_defconfig"
+
diff --git a/build.config.gki-debug.aarch64 b/build.config.gki-debug.aarch64
new file mode 100644
index 0000000..c1fe2f0
--- /dev/null
+++ b/build.config.gki-debug.aarch64
@@ -0,0 +1,3 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+TRIM_NONLISTED_KMI=""
+KMI_SYMBOL_LIST_STRICT_MODE=""
diff --git a/build.config.gki-debug.x86_64 b/build.config.gki-debug.x86_64
new file mode 100644
index 0000000..d89b7ad
--- /dev/null
+++ b/build.config.gki-debug.x86_64
@@ -0,0 +1,3 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.x86_64
+TRIM_NONLISTED_KMI=""
+KMI_SYMBOL_LIST_STRICT_MODE=""
diff --git a/build.config.gki.aarch64 b/build.config.gki.aarch64
new file mode 100644
index 0000000..c7410ba
--- /dev/null
+++ b/build.config.gki.aarch64
@@ -0,0 +1,53 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki
+
+MAKE_GOALS="${MAKE_GOALS}
+Image.lz4
+Image.gz
+"
+
+# Sync with BUILD.bazel
+ABI_DEFINITION=android/abi_gki_aarch64.xml
+KMI_SYMBOL_LIST=android/abi_gki_aarch64
+ADDITIONAL_KMI_SYMBOL_LISTS="
+android/abi_gki_aarch64_type_visibility
+android/abi_gki_aarch64_asr
+android/abi_gki_aarch64_core
+android/abi_gki_aarch64_exynos
+android/abi_gki_aarch64_fips140
+android/abi_gki_aarch64_galaxy
+android/abi_gki_aarch64_generic
+android/abi_gki_aarch64_virtual_device
+android/abi_gki_aarch64_db845c
+android/abi_gki_aarch64_hikey960
+android/abi_gki_aarch64_rockchip
+android/abi_gki_aarch64_rtkstb
+android/abi_gki_aarch64_telechips
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.lz4
+arch/arm64/boot/Image.gz
+"
+
+# Update BUILD.bazel, define_common_kernels() if the value is not 1.
+TRIM_NONLISTED_KMI=${TRIM_NONLISTED_KMI:-1}
+KMI_SYMBOL_LIST_ADD_ONLY=1
+KMI_SYMBOL_LIST_STRICT_MODE=${KMI_SYMBOL_LIST_STRICT_MODE:-1}
+KMI_ENFORCED=1
+
+BUILD_SYSTEM_DLKM=1
+MODULES_LIST=${ROOT_DIR}/${KERNEL_DIR}/android/gki_system_dlkm_modules
+MODULES_ORDER=android/gki_aarch64_modules
+
+if [ -n "${GKI_DEFCONFIG_FRAGMENT}" ]; then
+source ${GKI_DEFCONFIG_FRAGMENT}
+fi
+
+BUILD_GKI_CERTIFICATION_TOOLS=1
+
+BUILD_GKI_ARTIFACTS=1
+BUILD_GKI_BOOT_IMG_SIZE=67108864
+BUILD_GKI_BOOT_IMG_GZ_SIZE=47185920
+BUILD_GKI_BOOT_IMG_LZ4_SIZE=53477376
diff --git a/build.config.gki.aarch64.fips140 b/build.config.gki.aarch64.fips140
new file mode 100644
index 0000000..a1a75a8d
--- /dev/null
+++ b/build.config.gki.aarch64.fips140
@@ -0,0 +1,17 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+
+FILES="${FILES}
+crypto/fips140.ko
+"
+
+if [ "${LTO}" = "none" ]; then
+	echo "The FIPS140 module needs LTO to be enabled."
+	exit 1
+fi
+
+MODULES_ORDER=android/gki_aarch64_fips140_modules
+
+DEFCONFIG=fips140_gki_defconfig
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_fips140
+PRE_DEFCONFIG_CMDS="cat ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/fips140_gki.fragment > ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG};"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
diff --git a/build.config.gki.x86_64 b/build.config.gki.x86_64
new file mode 100644
index 0000000..3d81fea
--- /dev/null
+++ b/build.config.gki.x86_64
@@ -0,0 +1,11 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki
+
+BUILD_SYSTEM_DLKM=1
+MODULES_LIST=${ROOT_DIR}/${KERNEL_DIR}/android/gki_system_dlkm_modules
+
+BUILD_GKI_CERTIFICATION_TOOLS=1
+
+BUILD_GKI_ARTIFACTS=1
+BUILD_GKI_BOOT_IMG_SIZE=67108864
diff --git a/build.config.gki_kasan b/build.config.gki_kasan
new file mode 100644
index 0000000..7081f87
--- /dev/null
+++ b/build.config.gki_kasan
@@ -0,0 +1,21 @@
+DEFCONFIG=gki_defconfig
+POST_DEFCONFIG_CMDS="check_defconfig && update_kasan_config"
+KERNEL_DIR=common
+function update_kasan_config() {
+    ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+         -e CONFIG_KASAN \
+         -e CONFIG_KASAN_PANIC_ON_WARN \
+         -e CONFIG_KCOV \
+         -e CONFIG_PANIC_ON_WARN_DEFAULT_ENABLE \
+         -d CONFIG_RANDOMIZE_BASE \
+         -d CONFIG_KASAN_OUTLINE \
+         --set-val CONFIG_FRAME_WARN 0 \
+         -d LTO_CLANG_THIN \
+         -d LTO_CLANG_FULL \
+         -d CFI_PERMISSIVE \
+         -d CFI_CLANG \
+         -d SHADOW_CALL_STACK
+    (cd ${OUT_DIR} && \
+     make ${TOOL_ARGS} O=${OUT_DIR} olddefconfig)
+}
+
diff --git a/build.config.gki_kasan.aarch64 b/build.config.gki_kasan.aarch64
new file mode 100644
index 0000000..9fd2560
--- /dev/null
+++ b/build.config.gki_kasan.aarch64
@@ -0,0 +1,3 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kasan
diff --git a/build.config.gki_kasan.x86_64 b/build.config.gki_kasan.x86_64
new file mode 100644
index 0000000..eec6458
--- /dev/null
+++ b/build.config.gki_kasan.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kasan
+
diff --git a/build.config.gki_kprobes b/build.config.gki_kprobes
new file mode 100644
index 0000000..688142a
--- /dev/null
+++ b/build.config.gki_kprobes
@@ -0,0 +1,19 @@
+DEFCONFIG=gki_defconfig
+POST_DEFCONFIG_CMDS="check_defconfig && update_kprobes_config"
+function update_kprobes_config() {
+    ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+         -d LTO_CLANG_THIN \
+         -d LTO_CLANG_FULL \
+         -d CFI_PERMISSIVE \
+         -d CFI_CLANG \
+         -e CONFIG_DYNAMIC_FTRACE \
+         -e CONFIG_FUNCTION_TRACER \
+         -e CONFIG_IRQSOFF_TRACER \
+         -e CONFIG_FUNCTION_PROFILER \
+         -e CONFIG_PREEMPT_TRACER \
+         -e CONFIG_CHECKPOINT_RESTORE \
+         -d CONFIG_RANDOMIZE_BASE
+    (cd ${OUT_DIR} && \
+     make ${TOOL_ARGS} O=${OUT_DIR} olddefconfig)
+}
+
diff --git a/build.config.gki_kprobes.aarch64 b/build.config.gki_kprobes.aarch64
new file mode 100644
index 0000000..627c217
--- /dev/null
+++ b/build.config.gki_kprobes.aarch64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kprobes
+
diff --git a/build.config.gki_kprobes.x86_64 b/build.config.gki_kprobes.x86_64
new file mode 100644
index 0000000..a1d3da7
--- /dev/null
+++ b/build.config.gki_kprobes.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kprobes
+
diff --git a/build.config.hikey960 b/build.config.hikey960
new file mode 100644
index 0000000..29823f1
--- /dev/null
+++ b/build.config.hikey960
@@ -0,0 +1,24 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+
+DEFCONFIG=hikey960_gki_defconfig
+PRE_DEFCONFIG_CMDS="cat ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/hikey960_gki.fragment > ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG};"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+
+EXT_MODULES="
+hikey-modules/midgard
+"
+
+MAKE_GOALS="${MAKE_GOALS}
+hisilicon/hi3660-hikey960.dtb
+Image.gz
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.gz
+arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dtb
+vmlinux
+System.map
+"
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_hikey960
+GKI_MODULES_LIST=android/gki_aarch64_modules
diff --git a/build.config.khwasan b/build.config.khwasan
new file mode 100644
index 0000000..c8e0c5e
--- /dev/null
+++ b/build.config.khwasan
@@ -0,0 +1,17 @@
+append_cmd POST_DEFCONFIG_CMDS update_khwasan_config
+
+function update_khwasan_config() {
+  ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+    -e CONFIG_KASAN \
+    -d CONFIG_KASAN_HW_TAGS \
+    -e CONFIG_KASAN_SW_TAGS \
+    -e CONFIG_KASAN_OUTLINE \
+    -e CONFIG_KASAN_PANIC_ON_WARN \
+    -e CONFIG_KCOV \
+    -e CONFIG_PANIC_ON_WARN_DEFAULT_ENABLE \
+    -d CONFIG_RANDOMIZE_BASE \
+    --set-val CONFIG_FRAME_WARN 0 \
+    -d SHADOW_CALL_STACK
+  (cd ${OUT_DIR} && \
+   make O=${OUT_DIR} "${TOOL_ARGS[@]}" ${MAKE_ARGS} olddefconfig)
+}
diff --git a/build.config.rockchip b/build.config.rockchip
new file mode 100644
index 0000000..297c4c95
--- /dev/null
+++ b/build.config.rockchip
@@ -0,0 +1,8 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+
+
+DEFCONFIG=rockchip_aarch64_gki_defconfig
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_rockchip
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/common/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/common/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/common/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/common/arch/arm64/configs/rockchip_gki.fragment"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/common/arch/arm64/configs/${DEFCONFIG}"
+
diff --git a/build.config.rockpi4 b/build.config.rockpi4
new file mode 100644
index 0000000..424e568
--- /dev/null
+++ b/build.config.rockpi4
@@ -0,0 +1,19 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+TRIM_NONLISTED_KMI=""
+KMI_SYMBOL_LIST_STRICT_MODE=""
+
+BUILD_INITRAMFS=1
+LZ4_RAMDISK=1
+DEFCONFIG=rockpi4_gki_defconfig
+FRAGMENT_CONFIG=${KERNEL_DIR}/arch/arm64/configs/rockpi4_gki.fragment
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/${KERNEL_DIR}/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${FRAGMENT_CONFIG}"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+
+MAKE_GOALS="${MAKE_GOALS}
+rockchip/rk3399-rock-pi-4b.dtb
+"
+
+FILES="${FILES}
+arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dtb
+"
diff --git a/build.config.x86_64 b/build.config.x86_64
new file mode 100644
index 0000000..db29dd3
--- /dev/null
+++ b/build.config.x86_64
@@ -0,0 +1,15 @@
+ARCH=x86_64
+MAKE_GOALS="
+bzImage
+modules
+prepare-objtool
+"
+
+FILES="
+arch/x86/boot/bzImage
+vmlinux
+System.map
+vmlinux.symvers
+modules.builtin
+modules.builtin.modinfo
+"
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 4a53cb98..b604dd6 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -33,6 +33,36 @@
 	  certification.  You should say no unless you know what
 	  this is.
 
+# CRYPTO_FIPS140 just enables the support in the kernel for loading fips140.ko.
+# The module still needs to be built and loaded if you need FIPS 140 compliance.
+config CRYPTO_FIPS140
+	def_bool y
+	depends on MODULES && ARM64 && ARM64_MODULE_PLTS
+
+config CRYPTO_FIPS140_MOD
+	bool "Enable FIPS 140 cryptographic module"
+	depends on LTO_CLANG && CRYPTO_FIPS140
+	help
+	  This option enables building a loadable module fips140.ko, which
+	  contains various crypto algorithms that are also built into vmlinux.
+	  At load time, this module overrides the built-in implementations of
+	  these algorithms with its implementations.  It also runs self-tests on
+	  these algorithms and verifies the integrity of its code and data.  If
+	  either of these steps fails, the kernel will panic.
+
+	  This module is intended to be loaded at early boot time in order to
+	  meet FIPS 140 and NIAP FPT_TST_EXT.1 requirements.  It shouldn't be
+	  used if you don't need to meet these requirements.
+
+config CRYPTO_FIPS140_MOD_EVAL_TESTING
+	bool "Enable evaluation testing features in FIPS 140 module"
+	depends on CRYPTO_FIPS140_MOD
+	help
+	  This option adds some features to the FIPS 140 module which are needed
+	  for lab evaluation testing of the module, e.g. support for injecting
+	  errors and support for a userspace interface to some of the module's
+	  services.  This option should not be enabled in production builds.
+
 config CRYPTO_ALGAPI
 	tristate
 	select CRYPTO_ALGAPI2
diff --git a/crypto/Makefile b/crypto/Makefile
index 3d53cc1..8be22a6 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -197,3 +197,58 @@
 obj-$(CONFIG_CRYPTO_HASH_INFO) += hash_info.o
 crypto_simd-y := simd.o
 obj-$(CONFIG_CRYPTO_SIMD) += crypto_simd.o
+
+ifneq ($(CONFIG_CRYPTO_FIPS140_MOD),)
+
+FIPS140_CFLAGS := -D__DISABLE_EXPORTS -DBUILD_FIPS140_KO -include fips140-defs.h
+
+CFLAGS_jitterentropy-fips.o := -O0
+KASAN_SANITIZE_jitterentropy-fips.o = n
+UBSAN_SANITIZE_jitterentropy-fips.o = n
+
+#
+# Create a separate FIPS archive containing a duplicate of each builtin generic
+# module that is in scope for FIPS 140-2 certification
+#
+crypto-fips-objs := drbg.o ecb.o cbc.o ctr.o cts.o gcm.o xts.o hmac.o cmac.o \
+		    gf128mul.o aes_generic.o lib-crypto-aes.o \
+		    jitterentropy.o jitterentropy-kcapi.o \
+		    sha1_generic.o sha256_generic.o sha512_generic.o \
+		    lib-memneq.o lib-sha1.o lib-crypto-sha256.o
+crypto-fips-objs := $(foreach o,$(crypto-fips-objs),$(o:.o=-fips.o))
+
+# get the arch to add its objects to $(crypto-fips-objs)
+include $(srctree)/arch/$(ARCH)/crypto/Kbuild.fips140
+
+extra-$(CONFIG_CRYPTO_FIPS140_MOD) += crypto-fips.a
+
+$(obj)/%-fips.o: KBUILD_CFLAGS += $(FIPS140_CFLAGS)
+$(obj)/%-fips.o: $(src)/%.c FORCE
+	$(call if_changed_rule,cc_o_c)
+$(obj)/lib-%-fips.o: $(srctree)/lib/%.c FORCE
+	$(call if_changed_rule,cc_o_c)
+$(obj)/lib-crypto-%-fips.o: $(srctree)/lib/crypto/%.c FORCE
+	$(call if_changed_rule,cc_o_c)
+
+$(obj)/crypto-fips.a: $(addprefix $(obj)/,$(crypto-fips-objs)) FORCE
+	$(call if_changed,ar_and_symver)
+
+fips140-objs := \
+	fips140-alg-registration.o \
+	fips140-module.o \
+	fips140-refs.o \
+	fips140-selftests.o \
+	crypto-fips.a
+fips140-$(CONFIG_CRYPTO_FIPS140_MOD_EVAL_TESTING) += \
+	fips140-eval-testing.o
+obj-m += fips140.o
+
+CFLAGS_fips140-alg-registration.o += $(FIPS140_CFLAGS)
+CFLAGS_fips140-module.o += $(FIPS140_CFLAGS)
+CFLAGS_fips140-selftests.o += $(FIPS140_CFLAGS)
+CFLAGS_fips140-eval-testing.o += $(FIPS140_CFLAGS)
+
+hostprogs-always-y := fips140_gen_hmac
+HOSTLDLIBS_fips140_gen_hmac := -lcrypto -lelf
+
+endif
diff --git a/crypto/adiantum.c b/crypto/adiantum.c
index ce4d572..8445013 100644
--- a/crypto/adiantum.c
+++ b/crypto/adiantum.c
@@ -32,6 +32,7 @@
 
 #include <crypto/b128ops.h>
 #include <crypto/chacha.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/hash.h>
 #include <crypto/internal/poly1305.h>
 #include <crypto/internal/skcipher.h>
@@ -616,3 +617,4 @@
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
 MODULE_ALIAS_CRYPTO("adiantum");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 5d422e7..06424fd 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -16,7 +16,6 @@
 #include <linux/rtnetlink.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/workqueue.h>
 
 #include "internal.h"
 
@@ -69,26 +68,15 @@
 	inst->alg.cra_type->free(inst);
 }
 
-static void crypto_destroy_instance_workfn(struct work_struct *w)
+static void crypto_destroy_instance(struct crypto_alg *alg)
 {
-	struct crypto_instance *inst = container_of(w, struct crypto_instance,
-						    free_work);
+	struct crypto_instance *inst = (void *)alg;
 	struct crypto_template *tmpl = inst->tmpl;
 
 	crypto_free_instance(inst);
 	crypto_tmpl_put(tmpl);
 }
 
-static void crypto_destroy_instance(struct crypto_alg *alg)
-{
-	struct crypto_instance *inst = container_of(alg,
-						    struct crypto_instance,
-						    alg);
-
-	INIT_WORK(&inst->free_work, crypto_destroy_instance_workfn);
-	schedule_work(&inst->free_work);
-}
-
 /*
  * This function adds a spawn to the list secondary_spawns which
  * will be used at the end of crypto_remove_spawns to unregister
@@ -228,7 +216,87 @@
 }
 EXPORT_SYMBOL_GPL(crypto_remove_spawns);
 
-static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
+static void crypto_alg_finish_registration(struct crypto_alg *alg,
+					   bool fulfill_requests,
+					   struct list_head *algs_to_put)
+{
+	struct crypto_alg *q;
+
+	list_for_each_entry(q, &crypto_alg_list, cra_list) {
+		if (q == alg)
+			continue;
+
+		if (crypto_is_moribund(q))
+			continue;
+
+		if (crypto_is_larval(q)) {
+			struct crypto_larval *larval = (void *)q;
+
+			/*
+			 * Check to see if either our generic name or
+			 * specific name can satisfy the name requested
+			 * by the larval entry q.
+			 */
+			if (strcmp(alg->cra_name, q->cra_name) &&
+			    strcmp(alg->cra_driver_name, q->cra_name))
+				continue;
+
+			if (larval->adult)
+				continue;
+			if ((q->cra_flags ^ alg->cra_flags) & larval->mask)
+				continue;
+
+			if (fulfill_requests && crypto_mod_get(alg))
+				larval->adult = alg;
+			else
+				larval->adult = ERR_PTR(-EAGAIN);
+
+			continue;
+		}
+
+		if (strcmp(alg->cra_name, q->cra_name))
+			continue;
+
+		if (strcmp(alg->cra_driver_name, q->cra_driver_name) &&
+		    q->cra_priority > alg->cra_priority)
+			continue;
+
+		crypto_remove_spawns(q, algs_to_put, alg);
+	}
+
+	crypto_notify(CRYPTO_MSG_ALG_LOADED, alg);
+}
+
+static struct crypto_larval *crypto_alloc_test_larval(struct crypto_alg *alg)
+{
+	struct crypto_larval *larval;
+
+	if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER) ||
+	    IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) ||
+	    (alg->cra_flags & CRYPTO_ALG_INTERNAL))
+		return NULL; /* No self-test needed */
+
+	larval = crypto_larval_alloc(alg->cra_name,
+				     alg->cra_flags | CRYPTO_ALG_TESTED, 0);
+	if (IS_ERR(larval))
+		return larval;
+
+	larval->adult = crypto_mod_get(alg);
+	if (!larval->adult) {
+		kfree(larval);
+		return ERR_PTR(-ENOENT);
+	}
+
+	refcount_set(&larval->alg.cra_refcnt, 1);
+	memcpy(larval->alg.cra_driver_name, alg->cra_driver_name,
+	       CRYPTO_MAX_ALG_NAME);
+	larval->alg.cra_priority = alg->cra_priority;
+
+	return larval;
+}
+
+static struct crypto_larval *
+__crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put)
 {
 	struct crypto_alg *q;
 	struct crypto_larval *larval;
@@ -239,9 +307,6 @@
 
 	INIT_LIST_HEAD(&alg->cra_users);
 
-	/* No cheating! */
-	alg->cra_flags &= ~CRYPTO_ALG_TESTED;
-
 	ret = -EEXIST;
 
 	list_for_each_entry(q, &crypto_alg_list, cra_list) {
@@ -262,31 +327,27 @@
 			goto err;
 	}
 
-	larval = crypto_larval_alloc(alg->cra_name,
-				     alg->cra_flags | CRYPTO_ALG_TESTED, 0);
+	larval = crypto_alloc_test_larval(alg);
 	if (IS_ERR(larval))
 		goto out;
 
-	ret = -ENOENT;
-	larval->adult = crypto_mod_get(alg);
-	if (!larval->adult)
-		goto free_larval;
-
-	refcount_set(&larval->alg.cra_refcnt, 1);
-	memcpy(larval->alg.cra_driver_name, alg->cra_driver_name,
-	       CRYPTO_MAX_ALG_NAME);
-	larval->alg.cra_priority = alg->cra_priority;
-
 	list_add(&alg->cra_list, &crypto_alg_list);
-	list_add(&larval->alg.cra_list, &crypto_alg_list);
 
 	crypto_stats_init(alg);
 
+	if (larval) {
+		/* No cheating! */
+		alg->cra_flags &= ~CRYPTO_ALG_TESTED;
+
+		list_add(&larval->alg.cra_list, &crypto_alg_list);
+	} else {
+		alg->cra_flags |= CRYPTO_ALG_TESTED;
+		crypto_alg_finish_registration(alg, true, algs_to_put);
+	}
+
 out:
 	return larval;
 
-free_larval:
-	kfree(larval);
 err:
 	larval = ERR_PTR(ret);
 	goto out;
@@ -322,7 +383,10 @@
 
 	alg->cra_flags |= CRYPTO_ALG_TESTED;
 
-	/* Only satisfy larval waiters if we are the best. */
+	/*
+	 * If a higher-priority implementation of the same algorithm is
+	 * currently being tested, then don't fulfill request larvals.
+	 */
 	best = true;
 	list_for_each_entry(q, &crypto_alg_list, cra_list) {
 		if (crypto_is_moribund(q) || !crypto_is_larval(q))
@@ -337,47 +401,7 @@
 		}
 	}
 
-	list_for_each_entry(q, &crypto_alg_list, cra_list) {
-		if (q == alg)
-			continue;
-
-		if (crypto_is_moribund(q))
-			continue;
-
-		if (crypto_is_larval(q)) {
-			struct crypto_larval *larval = (void *)q;
-
-			/*
-			 * Check to see if either our generic name or
-			 * specific name can satisfy the name requested
-			 * by the larval entry q.
-			 */
-			if (strcmp(alg->cra_name, q->cra_name) &&
-			    strcmp(alg->cra_driver_name, q->cra_name))
-				continue;
-
-			if (larval->adult)
-				continue;
-			if ((q->cra_flags ^ alg->cra_flags) & larval->mask)
-				continue;
-
-			if (best && crypto_mod_get(alg))
-				larval->adult = alg;
-			else
-				larval->adult = ERR_PTR(-EAGAIN);
-
-			continue;
-		}
-
-		if (strcmp(alg->cra_name, q->cra_name))
-			continue;
-
-		if (strcmp(alg->cra_driver_name, q->cra_driver_name) &&
-		    q->cra_priority > alg->cra_priority)
-			continue;
-
-		crypto_remove_spawns(q, &list, alg);
-	}
+	crypto_alg_finish_registration(alg, best, &list);
 
 complete:
 	complete_all(&test->completion);
@@ -401,29 +425,11 @@
 }
 EXPORT_SYMBOL_GPL(crypto_remove_final);
 
-static void crypto_wait_for_test(struct crypto_larval *larval)
-{
-	int err;
-
-	err = crypto_probing_notify(CRYPTO_MSG_ALG_REGISTER, larval->adult);
-	if (err != NOTIFY_STOP) {
-		if (WARN_ON(err != NOTIFY_DONE))
-			goto out;
-		crypto_alg_tested(larval->alg.cra_driver_name, 0);
-	}
-
-	err = wait_for_completion_killable(&larval->completion);
-	WARN_ON(err);
-	if (!err)
-		crypto_notify(CRYPTO_MSG_ALG_LOADED, larval);
-
-out:
-	crypto_larval_kill(&larval->alg);
-}
-
 int crypto_register_alg(struct crypto_alg *alg)
 {
 	struct crypto_larval *larval;
+	LIST_HEAD(algs_to_put);
+	bool test_started = false;
 	int err;
 
 	alg->cra_flags &= ~CRYPTO_ALG_DEAD;
@@ -432,13 +438,18 @@
 		return err;
 
 	down_write(&crypto_alg_sem);
-	larval = __crypto_register_alg(alg);
+	larval = __crypto_register_alg(alg, &algs_to_put);
+	if (!IS_ERR_OR_NULL(larval)) {
+		test_started = crypto_boot_test_finished();
+		larval->test_started = test_started;
+	}
 	up_write(&crypto_alg_sem);
 
 	if (IS_ERR(larval))
 		return PTR_ERR(larval);
-
-	crypto_wait_for_test(larval);
+	if (test_started)
+		crypto_wait_for_test(larval);
+	crypto_remove_final(&algs_to_put);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(crypto_register_alg);
@@ -616,6 +627,7 @@
 {
 	struct crypto_larval *larval;
 	struct crypto_spawn *spawn;
+	LIST_HEAD(algs_to_put);
 	int err;
 
 	err = crypto_check_alg(&inst->alg);
@@ -643,9 +655,11 @@
 		spawn = next;
 	}
 
-	larval = __crypto_register_alg(&inst->alg);
+	larval = __crypto_register_alg(&inst->alg, &algs_to_put);
 	if (IS_ERR(larval))
 		goto unlock;
+	else if (larval)
+		larval->test_started = true;
 
 	hlist_add_head(&inst->list, &tmpl->instances);
 	inst->tmpl = tmpl;
@@ -653,15 +667,12 @@
 unlock:
 	up_write(&crypto_alg_sem);
 
-	err = PTR_ERR(larval);
 	if (IS_ERR(larval))
-		goto err;
-
-	crypto_wait_for_test(larval);
-	err = 0;
-
-err:
-	return err;
+		return PTR_ERR(larval);
+	if (larval)
+		crypto_wait_for_test(larval);
+	crypto_remove_final(&algs_to_put);
+	return 0;
 }
 EXPORT_SYMBOL_GPL(crypto_register_instance);
 
@@ -1293,9 +1304,51 @@
 EXPORT_SYMBOL_GPL(crypto_stats_skcipher_decrypt);
 #endif
 
+static void __init crypto_start_tests(void)
+{
+	if (IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS))
+		return;
+
+	for (;;) {
+		struct crypto_larval *larval = NULL;
+		struct crypto_alg *q;
+
+		down_write(&crypto_alg_sem);
+
+		list_for_each_entry(q, &crypto_alg_list, cra_list) {
+			struct crypto_larval *l;
+
+			if (!crypto_is_larval(q))
+				continue;
+
+			l = (void *)q;
+
+			if (!crypto_is_test_larval(l))
+				continue;
+
+			if (l->test_started)
+				continue;
+
+			l->test_started = true;
+			larval = l;
+			break;
+		}
+
+		up_write(&crypto_alg_sem);
+
+		if (!larval)
+			break;
+
+		crypto_wait_for_test(larval);
+	}
+
+	set_crypto_boot_test_finished();
+}
+
 static int __init crypto_algapi_init(void)
 {
 	crypto_init_proc();
+	crypto_start_tests();
 	return 0;
 }
 
@@ -1304,7 +1357,11 @@
 	crypto_exit_proc();
 }
 
-module_init(crypto_algapi_init);
+/*
+ * We run this at late_initcall so that all the built-in algorithms
+ * have had a chance to register themselves first.
+ */
+late_initcall(crypto_algapi_init);
 module_exit(crypto_algapi_exit);
 
 MODULE_LICENSE("GPL");
diff --git a/crypto/algboss.c b/crypto/algboss.c
index 5ebccbd..b48fa90 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -194,18 +194,10 @@
 {
 	struct crypto_test_param *param = data;
 	u32 type = param->type;
-	int err = 0;
-
-#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
-	goto skiptest;
-#endif
-
-	if (type & CRYPTO_ALG_TESTED)
-		goto skiptest;
+	int err;
 
 	err = alg_test(param->driver, param->alg, type, CRYPTO_ALG_TESTED);
 
-skiptest:
 	crypto_alg_tested(param->driver, err);
 
 	kfree(param);
@@ -216,7 +208,9 @@
 {
 	struct task_struct *thread;
 	struct crypto_test_param *param;
-	u32 type;
+
+	if (IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS))
+		return NOTIFY_DONE;
 
 	if (!try_module_get(THIS_MODULE))
 		goto err;
@@ -227,13 +221,7 @@
 
 	memcpy(param->driver, alg->cra_driver_name, sizeof(param->driver));
 	memcpy(param->alg, alg->cra_name, sizeof(param->alg));
-	type = alg->cra_flags;
-
-	/* Do not test internal algorithms. */
-	if (type & CRYPTO_ALG_INTERNAL)
-		type |= CRYPTO_ALG_TESTED;
-
-	param->type = type;
+	param->type = alg->cra_flags;
 
 	thread = kthread_run(cryptomgr_test, param, "cryptomgr_test");
 	if (IS_ERR(thread))
diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
index c475c11..3f512ef 100644
--- a/crypto/ansi_cprng.c
+++ b/crypto/ansi_cprng.c
@@ -7,6 +7,7 @@
  *  (C) Neil Horman <nhorman@tuxdriver.com>
  */
 
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/rng.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -470,3 +471,4 @@
 module_exit(prng_mod_fini);
 MODULE_ALIAS_CRYPTO("stdrng");
 MODULE_ALIAS_CRYPTO("ansi_cprng");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/api.c b/crypto/api.c
index 5ffcd3a..fa29728 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -12,6 +12,7 @@
 
 #include <linux/err.h>
 #include <linux/errno.h>
+#include <linux/jump_label.h>
 #include <linux/kernel.h>
 #include <linux/kmod.h>
 #include <linux/module.h>
@@ -30,6 +31,11 @@
 BLOCKING_NOTIFIER_HEAD(crypto_chain);
 EXPORT_SYMBOL_GPL(crypto_chain);
 
+#ifndef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
+DEFINE_STATIC_KEY_FALSE(__crypto_boot_test_finished);
+EXPORT_SYMBOL_GPL(__crypto_boot_test_finished);
+#endif
+
 static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg);
 
 struct crypto_alg *crypto_mod_get(struct crypto_alg *alg)
@@ -47,11 +53,6 @@
 }
 EXPORT_SYMBOL_GPL(crypto_mod_put);
 
-static inline int crypto_is_test_larval(struct crypto_larval *larval)
-{
-	return larval->alg.cra_driver_name[0];
-}
-
 static struct crypto_alg *__crypto_alg_lookup(const char *name, u32 type,
 					      u32 mask)
 {
@@ -163,11 +164,49 @@
 }
 EXPORT_SYMBOL_GPL(crypto_larval_kill);
 
+void crypto_wait_for_test(struct crypto_larval *larval)
+{
+	int err;
+
+	err = crypto_probing_notify(CRYPTO_MSG_ALG_REGISTER, larval->adult);
+	if (WARN_ON_ONCE(err != NOTIFY_STOP))
+		goto out;
+
+	err = wait_for_completion_killable(&larval->completion);
+	WARN_ON(err);
+out:
+	crypto_larval_kill(&larval->alg);
+}
+EXPORT_SYMBOL_GPL(crypto_wait_for_test);
+
+static void crypto_start_test(struct crypto_larval *larval)
+{
+	if (!crypto_is_test_larval(larval))
+		return;
+
+	if (larval->test_started)
+		return;
+
+	down_write(&crypto_alg_sem);
+	if (larval->test_started) {
+		up_write(&crypto_alg_sem);
+		return;
+	}
+
+	larval->test_started = true;
+	up_write(&crypto_alg_sem);
+
+	crypto_wait_for_test(larval);
+}
+
 static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg)
 {
 	struct crypto_larval *larval = (void *)alg;
 	long timeout;
 
+	if (!crypto_boot_test_finished())
+		crypto_start_test(larval);
+
 	timeout = wait_for_completion_killable_timeout(
 		&larval->completion, 60 * HZ);
 
diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c
index a2ffe60..6704c03 100644
--- a/crypto/blake2b_generic.c
+++ b/crypto/blake2b_generic.c
@@ -1,55 +1,27 @@
 // SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0)
 /*
- * BLAKE2b reference source code package - reference C implementations
+ * Generic implementation of the BLAKE2b digest algorithm.  Based on the BLAKE2b
+ * reference implementation, but it has been heavily modified for use in the
+ * kernel.  The reference implementation was:
  *
- * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.  You may use this under the
- * terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
- * your option.  The terms of these licenses can be found at:
+ *	Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.  You may use this under
+ *	the terms of the CC0, the OpenSSL Licence, or the Apache Public License
+ *	2.0, at your option.  The terms of these licenses can be found at:
  *
- * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- * - OpenSSL license   : https://www.openssl.org/source/license.html
- * - Apache 2.0        : https://www.apache.org/licenses/LICENSE-2.0
+ *	- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+ *	- OpenSSL license   : https://www.openssl.org/source/license.html
+ *	- Apache 2.0        : https://www.apache.org/licenses/LICENSE-2.0
  *
- * More information about the BLAKE2 hash function can be found at
- * https://blake2.net.
- *
- * Note: the original sources have been modified for inclusion in linux kernel
- * in terms of coding style, using generic helpers and simplifications of error
- * handling.
+ * More information about BLAKE2 can be found at https://blake2.net.
  */
 
 #include <asm/unaligned.h>
 #include <linux/module.h>
-#include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
+#include <crypto/internal/blake2b.h>
 #include <crypto/internal/hash.h>
 
-#define BLAKE2B_160_DIGEST_SIZE		(160 / 8)
-#define BLAKE2B_256_DIGEST_SIZE		(256 / 8)
-#define BLAKE2B_384_DIGEST_SIZE		(384 / 8)
-#define BLAKE2B_512_DIGEST_SIZE		(512 / 8)
-
-enum blake2b_constant {
-	BLAKE2B_BLOCKBYTES    = 128,
-	BLAKE2B_KEYBYTES      = 64,
-};
-
-struct blake2b_state {
-	u64      h[8];
-	u64      t[2];
-	u64      f[2];
-	u8       buf[BLAKE2B_BLOCKBYTES];
-	size_t   buflen;
-};
-
-static const u64 blake2b_IV[8] = {
-	0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
-	0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
-	0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
-	0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
-};
-
 static const u8 blake2b_sigma[12][16] = {
 	{  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15 },
 	{ 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3 },
@@ -95,8 +67,8 @@
 		G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
 	} while (0)
 
-static void blake2b_compress(struct blake2b_state *S,
-			     const u8 block[BLAKE2B_BLOCKBYTES])
+static void blake2b_compress_one_generic(struct blake2b_state *S,
+					 const u8 block[BLAKE2B_BLOCK_SIZE])
 {
 	u64 m[16];
 	u64 v[16];
@@ -108,14 +80,14 @@
 	for (i = 0; i < 8; ++i)
 		v[i] = S->h[i];
 
-	v[ 8] = blake2b_IV[0];
-	v[ 9] = blake2b_IV[1];
-	v[10] = blake2b_IV[2];
-	v[11] = blake2b_IV[3];
-	v[12] = blake2b_IV[4] ^ S->t[0];
-	v[13] = blake2b_IV[5] ^ S->t[1];
-	v[14] = blake2b_IV[6] ^ S->f[0];
-	v[15] = blake2b_IV[7] ^ S->f[1];
+	v[ 8] = BLAKE2B_IV0;
+	v[ 9] = BLAKE2B_IV1;
+	v[10] = BLAKE2B_IV2;
+	v[11] = BLAKE2B_IV3;
+	v[12] = BLAKE2B_IV4 ^ S->t[0];
+	v[13] = BLAKE2B_IV5 ^ S->t[1];
+	v[14] = BLAKE2B_IV6 ^ S->f[0];
+	v[15] = BLAKE2B_IV7 ^ S->f[1];
 
 	ROUND(0);
 	ROUND(1);
@@ -139,159 +111,54 @@
 #undef G
 #undef ROUND
 
-struct blake2b_tfm_ctx {
-	u8 key[BLAKE2B_KEYBYTES];
-	unsigned int keylen;
-};
-
-static int blake2b_setkey(struct crypto_shash *tfm, const u8 *key,
-			  unsigned int keylen)
+void blake2b_compress_generic(struct blake2b_state *state,
+			      const u8 *block, size_t nblocks, u32 inc)
 {
-	struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+	do {
+		blake2b_increment_counter(state, inc);
+		blake2b_compress_one_generic(state, block);
+		block += BLAKE2B_BLOCK_SIZE;
+	} while (--nblocks);
+}
+EXPORT_SYMBOL(blake2b_compress_generic);
 
-	if (keylen == 0 || keylen > BLAKE2B_KEYBYTES)
-		return -EINVAL;
-
-	memcpy(tctx->key, key, keylen);
-	tctx->keylen = keylen;
-
-	return 0;
+static int crypto_blake2b_update_generic(struct shash_desc *desc,
+					 const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2b_update(desc, in, inlen, blake2b_compress_generic);
 }
 
-static int blake2b_init(struct shash_desc *desc)
+static int crypto_blake2b_final_generic(struct shash_desc *desc, u8 *out)
 {
-	struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
-	struct blake2b_state *state = shash_desc_ctx(desc);
-	const int digestsize = crypto_shash_digestsize(desc->tfm);
+	return crypto_blake2b_final(desc, out, blake2b_compress_generic);
+}
 
-	memset(state, 0, sizeof(*state));
-	memcpy(state->h, blake2b_IV, sizeof(state->h));
-
-	/* Parameter block is all zeros except index 0, no xor for 1..7 */
-	state->h[0] ^= 0x01010000 | tctx->keylen << 8 | digestsize;
-
-	if (tctx->keylen) {
-		/*
-		 * Prefill the buffer with the key, next call to _update or
-		 * _final will process it
-		 */
-		memcpy(state->buf, tctx->key, tctx->keylen);
-		state->buflen = BLAKE2B_BLOCKBYTES;
+#define BLAKE2B_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 100,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2B_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2b_setkey,	\
+		.init			= crypto_blake2b_init,		\
+		.update			= crypto_blake2b_update_generic, \
+		.final			= crypto_blake2b_final_generic,	\
+		.descsize		= sizeof(struct blake2b_state),	\
 	}
-	return 0;
-}
-
-static int blake2b_update(struct shash_desc *desc, const u8 *in,
-			  unsigned int inlen)
-{
-	struct blake2b_state *state = shash_desc_ctx(desc);
-	const size_t left = state->buflen;
-	const size_t fill = BLAKE2B_BLOCKBYTES - left;
-
-	if (!inlen)
-		return 0;
-
-	if (inlen > fill) {
-		state->buflen = 0;
-		/* Fill buffer */
-		memcpy(state->buf + left, in, fill);
-		blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES);
-		/* Compress */
-		blake2b_compress(state, state->buf);
-		in += fill;
-		inlen -= fill;
-		while (inlen > BLAKE2B_BLOCKBYTES) {
-			blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES);
-			blake2b_compress(state, in);
-			in += BLAKE2B_BLOCKBYTES;
-			inlen -= BLAKE2B_BLOCKBYTES;
-		}
-	}
-	memcpy(state->buf + state->buflen, in, inlen);
-	state->buflen += inlen;
-
-	return 0;
-}
-
-static int blake2b_final(struct shash_desc *desc, u8 *out)
-{
-	struct blake2b_state *state = shash_desc_ctx(desc);
-	const int digestsize = crypto_shash_digestsize(desc->tfm);
-	size_t i;
-
-	blake2b_increment_counter(state, state->buflen);
-	/* Set last block */
-	state->f[0] = (u64)-1;
-	/* Padding */
-	memset(state->buf + state->buflen, 0, BLAKE2B_BLOCKBYTES - state->buflen);
-	blake2b_compress(state, state->buf);
-
-	/* Avoid temporary buffer and switch the internal output to LE order */
-	for (i = 0; i < ARRAY_SIZE(state->h); i++)
-		__cpu_to_le64s(&state->h[i]);
-
-	memcpy(out, state->h, digestsize);
-	return 0;
-}
 
 static struct shash_alg blake2b_algs[] = {
-	{
-		.base.cra_name		= "blake2b-160",
-		.base.cra_driver_name	= "blake2b-160-generic",
-		.base.cra_priority	= 100,
-		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-		.base.cra_blocksize	= BLAKE2B_BLOCKBYTES,
-		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx),
-		.base.cra_module	= THIS_MODULE,
-		.digestsize		= BLAKE2B_160_DIGEST_SIZE,
-		.setkey			= blake2b_setkey,
-		.init			= blake2b_init,
-		.update			= blake2b_update,
-		.final			= blake2b_final,
-		.descsize		= sizeof(struct blake2b_state),
-	}, {
-		.base.cra_name		= "blake2b-256",
-		.base.cra_driver_name	= "blake2b-256-generic",
-		.base.cra_priority	= 100,
-		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-		.base.cra_blocksize	= BLAKE2B_BLOCKBYTES,
-		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx),
-		.base.cra_module	= THIS_MODULE,
-		.digestsize		= BLAKE2B_256_DIGEST_SIZE,
-		.setkey			= blake2b_setkey,
-		.init			= blake2b_init,
-		.update			= blake2b_update,
-		.final			= blake2b_final,
-		.descsize		= sizeof(struct blake2b_state),
-	}, {
-		.base.cra_name		= "blake2b-384",
-		.base.cra_driver_name	= "blake2b-384-generic",
-		.base.cra_priority	= 100,
-		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-		.base.cra_blocksize	= BLAKE2B_BLOCKBYTES,
-		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx),
-		.base.cra_module	= THIS_MODULE,
-		.digestsize		= BLAKE2B_384_DIGEST_SIZE,
-		.setkey			= blake2b_setkey,
-		.init			= blake2b_init,
-		.update			= blake2b_update,
-		.final			= blake2b_final,
-		.descsize		= sizeof(struct blake2b_state),
-	}, {
-		.base.cra_name		= "blake2b-512",
-		.base.cra_driver_name	= "blake2b-512-generic",
-		.base.cra_priority	= 100,
-		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-		.base.cra_blocksize	= BLAKE2B_BLOCKBYTES,
-		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx),
-		.base.cra_module	= THIS_MODULE,
-		.digestsize		= BLAKE2B_512_DIGEST_SIZE,
-		.setkey			= blake2b_setkey,
-		.init			= blake2b_init,
-		.update			= blake2b_update,
-		.final			= blake2b_final,
-		.descsize		= sizeof(struct blake2b_state),
-	}
+	BLAKE2B_ALG("blake2b-160", "blake2b-160-generic",
+		    BLAKE2B_160_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-256", "blake2b-256-generic",
+		    BLAKE2B_256_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-384", "blake2b-384-generic",
+		    BLAKE2B_384_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-512", "blake2b-512-generic",
+		    BLAKE2B_512_HASH_SIZE),
 };
 
 static int __init blake2b_mod_init(void)
diff --git a/crypto/cbc.c b/crypto/cbc.c
index 0d9509df..6c03e96 100644
--- a/crypto/cbc.c
+++ b/crypto/cbc.c
@@ -6,6 +6,7 @@
  */
 
 #include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <linux/err.h>
 #include <linux/init.h>
diff --git a/crypto/ccm.c b/crypto/ccm.c
index 494d709..6b815ec 100644
--- a/crypto/ccm.c
+++ b/crypto/ccm.c
@@ -6,6 +6,7 @@
  */
 
 #include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/hash.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/scatterwalk.h>
@@ -954,3 +955,4 @@
 MODULE_ALIAS_CRYPTO("rfc4309");
 MODULE_ALIAS_CRYPTO("ccm");
 MODULE_ALIAS_CRYPTO("cbcmac");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/cfb.c b/crypto/cfb.c
index 4e5219b..0d664df 100644
--- a/crypto/cfb.c
+++ b/crypto/cfb.c
@@ -20,6 +20,7 @@
  */
 
 #include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -250,3 +251,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("CFB block cipher mode of operation");
 MODULE_ALIAS_CRYPTO("cfb");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/cipher.c b/crypto/cipher.c
index fd78150..b47141e 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -9,6 +9,7 @@
  */
 
 #include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
 #include <linux/kernel.h>
 #include <linux/crypto.h>
 #include <linux/errno.h>
@@ -53,7 +54,7 @@
 
 	return cia->cia_setkey(crypto_cipher_tfm(tfm), key, keylen);
 }
-EXPORT_SYMBOL_GPL(crypto_cipher_setkey);
+EXPORT_SYMBOL_NS_GPL(crypto_cipher_setkey, CRYPTO_INTERNAL);
 
 static inline void cipher_crypt_one(struct crypto_cipher *tfm,
 				    u8 *dst, const u8 *src, bool enc)
@@ -81,11 +82,11 @@
 {
 	cipher_crypt_one(tfm, dst, src, true);
 }
-EXPORT_SYMBOL_GPL(crypto_cipher_encrypt_one);
+EXPORT_SYMBOL_NS_GPL(crypto_cipher_encrypt_one, CRYPTO_INTERNAL);
 
 void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
 			       u8 *dst, const u8 *src)
 {
 	cipher_crypt_one(tfm, dst, src, false);
 }
-EXPORT_SYMBOL_GPL(crypto_cipher_decrypt_one);
+EXPORT_SYMBOL_NS_GPL(crypto_cipher_decrypt_one, CRYPTO_INTERNAL);
diff --git a/crypto/cmac.c b/crypto/cmac.c
index df36be1..f4a5d3b 100644
--- a/crypto/cmac.c
+++ b/crypto/cmac.c
@@ -11,6 +11,7 @@
  *   Author: Kazunori Miyazawa <miyazawa@linux-ipv6.org>
  */
 
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/hash.h>
 #include <linux/err.h>
 #include <linux/kernel.h>
@@ -313,3 +314,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("CMAC keyed hash algorithm");
 MODULE_ALIAS_CRYPTO("cmac");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/ctr.c b/crypto/ctr.c
index c39fcff..23c698b 100644
--- a/crypto/ctr.c
+++ b/crypto/ctr.c
@@ -7,6 +7,7 @@
 
 #include <crypto/algapi.h>
 #include <crypto/ctr.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -358,3 +359,4 @@
 MODULE_DESCRIPTION("CTR block cipher mode of operation");
 MODULE_ALIAS_CRYPTO("rfc3686");
 MODULE_ALIAS_CRYPTO("ctr");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/drbg.c b/crypto/drbg.c
index ba1fa5c..839c36a 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -98,6 +98,7 @@
  */
 
 #include <crypto/drbg.h>
+#include <crypto/internal/cipher.h>
 #include <linux/kernel.h>
 
 /***************************************************************
@@ -2138,3 +2139,4 @@
 		   CRYPTO_DRBG_HMAC_STRING
 		   CRYPTO_DRBG_CTR_STRING);
 MODULE_ALIAS_CRYPTO("stdrng");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/ecb.c b/crypto/ecb.c
index 69a687c..71fbb05 100644
--- a/crypto/ecb.c
+++ b/crypto/ecb.c
@@ -6,6 +6,7 @@
  */
 
 #include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <linux/err.h>
 #include <linux/init.h>
diff --git a/crypto/essiv.c b/crypto/essiv.c
index 85bb624..3505b07 100644
--- a/crypto/essiv.c
+++ b/crypto/essiv.c
@@ -30,6 +30,7 @@
 
 #include <crypto/authenc.h>
 #include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/hash.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/scatterwalk.h>
@@ -648,3 +649,4 @@
 MODULE_DESCRIPTION("ESSIV skcipher/aead wrapper for block encryption");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS_CRYPTO("essiv");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/fips140-alg-registration.c b/crypto/fips140-alg-registration.c
new file mode 100644
index 0000000..03757f8
--- /dev/null
+++ b/crypto/fips140-alg-registration.c
@@ -0,0 +1,388 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Block crypto operations until tests complete
+ *
+ * Copyright 2021 Google LLC
+ *
+ * This file defines the fips140_crypto_register_*() functions, to which all
+ * calls to crypto_register_*() in the module are redirected.  These functions
+ * override the tfm initialization function of each algorithm to insert a wait
+ * for the module having completed its self-tests and integrity check.
+ *
+ * The exact field that we override depends on the algorithm type.  For
+ * algorithm types that have a strongly-typed initialization function pointer
+ * (e.g. skcipher), we must override that, since cra_init isn't guaranteed to be
+ * called for those despite the field being present in the base struct.  For the
+ * other algorithm types (e.g. "cipher") we must override cra_init.
+ *
+ * All of this applies to both normal algorithms and template instances.
+ *
+ * The purpose of all of this is to meet a FIPS requirement where the module
+ * must not produce any output from cryptographic algorithms until it completes
+ * its tests.  Technically this is impossible, but this solution meets the
+ * intent of the requirement, assuming the user makes a supported sequence of
+ * API calls.  Note that we can't simply run the tests before registering the
+ * algorithms, as the algorithms must be registered in order to run the tests.
+ *
+ * It would be much easier to handle this in the kernel's crypto API framework.
+ * Unfortunately, that was deemed insufficient because the module itself is
+ * required to do the enforcement.  What is *actually* required is still very
+ * vague, but the approach implemented here should meet the requirement.
+ */
+
+/*
+ * This file is the one place in fips140.ko that needs to call the kernel's real
+ * algorithm registration functions, so #undefine all the macros from
+ * fips140-defs.h so that the "fips140_" prefix doesn't automatically get added.
+ */
+#undef aead_register_instance
+#undef ahash_register_instance
+#undef crypto_register_aead
+#undef crypto_register_aeads
+#undef crypto_register_ahash
+#undef crypto_register_ahashes
+#undef crypto_register_alg
+#undef crypto_register_algs
+#undef crypto_register_rng
+#undef crypto_register_rngs
+#undef crypto_register_shash
+#undef crypto_register_shashes
+#undef crypto_register_skcipher
+#undef crypto_register_skciphers
+#undef shash_register_instance
+#undef skcipher_register_instance
+
+#include <crypto/algapi.h>
+#include <crypto/internal/aead.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/rng.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/xarray.h>
+
+#include "fips140-module.h"
+
+/* Indicates whether the self-tests and integrity check have completed */
+DECLARE_COMPLETION(fips140_tests_done);
+
+/* The thread running the self-tests and integrity check */
+struct task_struct *fips140_init_thread;
+
+/*
+ * Map from crypto_alg to original initialization function (possibly NULL)
+ *
+ * Note: unregistering an algorithm will leak its map entry, as we don't bother
+ * to remove it.  This should be fine since fips140.ko can't be unloaded.  The
+ * proper solution would be to store the original function pointer in a new
+ * field in 'struct crypto_alg', but that would require kernel support.
+ */
+static DEFINE_XARRAY(fips140_init_func_map);
+
+static bool fips140_ready(void)
+{
+	return completion_done(&fips140_tests_done);
+}
+
+/*
+ * Wait until crypto operations are allowed to proceed.  Return true if the
+ * tests are done, or false if the caller is the thread running the tests so it
+ * is allowed to proceed anyway.
+ */
+static bool fips140_wait_until_ready(struct crypto_alg *alg)
+{
+	if (fips140_ready())
+		return true;
+	/*
+	 * The thread running the tests must not wait.  Since tfms can only be
+	 * allocated in task context, we can reliably determine whether the
+	 * invocation is from that thread or not by checking 'current'.
+	 */
+	if (current == fips140_init_thread)
+		return false;
+
+	pr_info("blocking user of %s until tests complete\n",
+		alg->cra_driver_name);
+	wait_for_completion(&fips140_tests_done);
+	pr_info("tests done, allowing %s to proceed\n", alg->cra_driver_name);
+	return true;
+}
+
+static int fips140_store_init_function(struct crypto_alg *alg, void *func)
+{
+	void *ret;
+
+	/*
+	 * The XArray API requires 4-byte aligned values.  Although function
+	 * pointers in general aren't guaranteed to be 4-byte aligned, it should
+	 * be the case for the platforms this module is used on.
+	 */
+	if (WARN_ON((unsigned long)func & 3))
+		return -EINVAL;
+
+	ret = xa_store(&fips140_init_func_map, (unsigned long)alg, func,
+		       GFP_KERNEL);
+	return xa_err(ret);
+}
+
+/* Get the algorithm's original initialization function (possibly NULL) */
+static void *fips140_load_init_function(struct crypto_alg *alg)
+{
+	return xa_load(&fips140_init_func_map, (unsigned long)alg);
+}
+
+/* tfm initialization function overrides */
+
+static int fips140_alg_init_tfm(struct crypto_tfm *tfm)
+{
+	struct crypto_alg *alg = tfm->__crt_alg;
+	int (*cra_init)(struct crypto_tfm *tfm) =
+		fips140_load_init_function(alg);
+
+	if (fips140_wait_until_ready(alg))
+		WRITE_ONCE(alg->cra_init, cra_init);
+	return cra_init ? cra_init(tfm) : 0;
+}
+
+static int fips140_aead_init_tfm(struct crypto_aead *tfm)
+{
+	struct aead_alg *alg = crypto_aead_alg(tfm);
+	int (*init)(struct crypto_aead *tfm) =
+		fips140_load_init_function(&alg->base);
+
+	if (fips140_wait_until_ready(&alg->base))
+		WRITE_ONCE(alg->init, init);
+	return init ? init(tfm) : 0;
+}
+
+static int fips140_ahash_init_tfm(struct crypto_ahash *tfm)
+{
+	struct hash_alg_common *halg = crypto_hash_alg_common(tfm);
+	struct ahash_alg *alg = container_of(halg, struct ahash_alg, halg);
+	int (*init_tfm)(struct crypto_ahash *tfm) =
+		fips140_load_init_function(&halg->base);
+
+	if (fips140_wait_until_ready(&halg->base))
+		WRITE_ONCE(alg->init_tfm, init_tfm);
+	return init_tfm ? init_tfm(tfm) : 0;
+}
+
+static int fips140_shash_init_tfm(struct crypto_shash *tfm)
+{
+	struct shash_alg *alg = crypto_shash_alg(tfm);
+	int (*init_tfm)(struct crypto_shash *tfm) =
+		fips140_load_init_function(&alg->base);
+
+	if (fips140_wait_until_ready(&alg->base))
+		WRITE_ONCE(alg->init_tfm, init_tfm);
+	return init_tfm ? init_tfm(tfm) : 0;
+}
+
+static int fips140_skcipher_init_tfm(struct crypto_skcipher *tfm)
+{
+	struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
+	int (*init)(struct crypto_skcipher *tfm) =
+		fips140_load_init_function(&alg->base);
+
+	if (fips140_wait_until_ready(&alg->base))
+		WRITE_ONCE(alg->init, init);
+	return init ? init(tfm) : 0;
+}
+
+/* Single algorithm registration */
+
+#define prepare_alg(alg, base_alg, field, wrapper_func)			\
+({									\
+	int err = 0;							\
+									\
+	if (!fips140_ready() && alg->field != wrapper_func) {		\
+		err = fips140_store_init_function(base_alg, alg->field);\
+		if (err == 0)						\
+			alg->field = wrapper_func;			\
+	}								\
+	err;								\
+})
+
+static int fips140_prepare_alg(struct crypto_alg *alg)
+{
+	/*
+	 * Override cra_init.  This is only for algorithm types like cipher and
+	 * rng that don't have a strongly-typed initialization function.
+	 */
+	return prepare_alg(alg, alg, cra_init, fips140_alg_init_tfm);
+}
+
+static int fips140_prepare_aead_alg(struct aead_alg *alg)
+{
+	return prepare_alg(alg, &alg->base, init, fips140_aead_init_tfm);
+}
+
+static int fips140_prepare_ahash_alg(struct ahash_alg *alg)
+{
+	return prepare_alg(alg, &alg->halg.base, init_tfm,
+			   fips140_ahash_init_tfm);
+}
+
+static int fips140_prepare_rng_alg(struct rng_alg *alg)
+{
+	/*
+	 * rng doesn't have a strongly-typed initialization function, so we must
+	 * treat rng algorithms as "generic" algorithms.
+	 */
+	return fips140_prepare_alg(&alg->base);
+}
+
+static int fips140_prepare_shash_alg(struct shash_alg *alg)
+{
+	return prepare_alg(alg, &alg->base, init_tfm, fips140_shash_init_tfm);
+}
+
+static int fips140_prepare_skcipher_alg(struct skcipher_alg *alg)
+{
+	return prepare_alg(alg, &alg->base, init, fips140_skcipher_init_tfm);
+}
+
+int fips140_crypto_register_alg(struct crypto_alg *alg)
+{
+	return fips140_prepare_alg(alg) ?: crypto_register_alg(alg);
+}
+
+int fips140_crypto_register_aead(struct aead_alg *alg)
+{
+	return fips140_prepare_aead_alg(alg) ?: crypto_register_aead(alg);
+}
+
+int fips140_crypto_register_ahash(struct ahash_alg *alg)
+{
+	return fips140_prepare_ahash_alg(alg) ?: crypto_register_ahash(alg);
+}
+
+int fips140_crypto_register_rng(struct rng_alg *alg)
+{
+	return fips140_prepare_rng_alg(alg) ?: crypto_register_rng(alg);
+}
+
+int fips140_crypto_register_shash(struct shash_alg *alg)
+{
+	return fips140_prepare_shash_alg(alg) ?: crypto_register_shash(alg);
+}
+
+int fips140_crypto_register_skcipher(struct skcipher_alg *alg)
+{
+	return fips140_prepare_skcipher_alg(alg) ?:
+		crypto_register_skcipher(alg);
+}
+
+/* Instance registration */
+
+int fips140_aead_register_instance(struct crypto_template *tmpl,
+				   struct aead_instance *inst)
+{
+	return fips140_prepare_aead_alg(&inst->alg) ?:
+		aead_register_instance(tmpl, inst);
+}
+
+int fips140_ahash_register_instance(struct crypto_template *tmpl,
+				    struct ahash_instance *inst)
+{
+	return fips140_prepare_ahash_alg(&inst->alg) ?:
+		ahash_register_instance(tmpl, inst);
+}
+
+int fips140_shash_register_instance(struct crypto_template *tmpl,
+				    struct shash_instance *inst)
+{
+	return fips140_prepare_shash_alg(&inst->alg) ?:
+		shash_register_instance(tmpl, inst);
+}
+
+int fips140_skcipher_register_instance(struct crypto_template *tmpl,
+				       struct skcipher_instance *inst)
+{
+	return fips140_prepare_skcipher_alg(&inst->alg) ?:
+		skcipher_register_instance(tmpl, inst);
+}
+
+/* Bulk algorithm registration */
+
+int fips140_crypto_register_algs(struct crypto_alg *algs, int count)
+{
+	int i;
+	int err;
+
+	for (i = 0; i < count; i++) {
+		err = fips140_prepare_alg(&algs[i]);
+		if (err)
+			return err;
+	}
+
+	return crypto_register_algs(algs, count);
+}
+
+int fips140_crypto_register_aeads(struct aead_alg *algs, int count)
+{
+	int i;
+	int err;
+
+	for (i = 0; i < count; i++) {
+		err = fips140_prepare_aead_alg(&algs[i]);
+		if (err)
+			return err;
+	}
+
+	return crypto_register_aeads(algs, count);
+}
+
+int fips140_crypto_register_ahashes(struct ahash_alg *algs, int count)
+{
+	int i;
+	int err;
+
+	for (i = 0; i < count; i++) {
+		err = fips140_prepare_ahash_alg(&algs[i]);
+		if (err)
+			return err;
+	}
+
+	return crypto_register_ahashes(algs, count);
+}
+
+int fips140_crypto_register_rngs(struct rng_alg *algs, int count)
+{
+	int i;
+	int err;
+
+	for (i = 0; i < count; i++) {
+		err = fips140_prepare_rng_alg(&algs[i]);
+		if (err)
+			return err;
+	}
+
+	return crypto_register_rngs(algs, count);
+}
+
+int fips140_crypto_register_shashes(struct shash_alg *algs, int count)
+{
+	int i;
+	int err;
+
+	for (i = 0; i < count; i++) {
+		err = fips140_prepare_shash_alg(&algs[i]);
+		if (err)
+			return err;
+	}
+
+	return crypto_register_shashes(algs, count);
+}
+
+int fips140_crypto_register_skciphers(struct skcipher_alg *algs, int count)
+{
+	int i;
+	int err;
+
+	for (i = 0; i < count; i++) {
+		err = fips140_prepare_skcipher_alg(&algs[i]);
+		if (err)
+			return err;
+	}
+
+	return crypto_register_skciphers(algs, count);
+}
diff --git a/crypto/fips140-defs.h b/crypto/fips140-defs.h
new file mode 100644
index 0000000..e64a2f7
--- /dev/null
+++ b/crypto/fips140-defs.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 Google LLC
+ *
+ * This file is automatically included by all files built into fips140.ko, via
+ * the "-include" compiler flag.  It redirects all calls to algorithm
+ * registration functions to the wrapper functions defined within the module.
+ */
+
+#define aead_register_instance		fips140_aead_register_instance
+#define ahash_register_instance		fips140_ahash_register_instance
+#define crypto_register_aead		fips140_crypto_register_aead
+#define crypto_register_aeads		fips140_crypto_register_aeads
+#define crypto_register_ahash		fips140_crypto_register_ahash
+#define crypto_register_ahashes		fips140_crypto_register_ahashes
+#define crypto_register_alg		fips140_crypto_register_alg
+#define crypto_register_algs		fips140_crypto_register_algs
+#define crypto_register_rng		fips140_crypto_register_rng
+#define crypto_register_rngs		fips140_crypto_register_rngs
+#define crypto_register_shash		fips140_crypto_register_shash
+#define crypto_register_shashes		fips140_crypto_register_shashes
+#define crypto_register_skcipher	fips140_crypto_register_skcipher
+#define crypto_register_skciphers	fips140_crypto_register_skciphers
+#define shash_register_instance		fips140_shash_register_instance
+#define skcipher_register_instance	fips140_skcipher_register_instance
diff --git a/crypto/fips140-eval-testing-uapi.h b/crypto/fips140-eval-testing-uapi.h
new file mode 100644
index 0000000..04e6cf633
--- /dev/null
+++ b/crypto/fips140-eval-testing-uapi.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#ifndef _CRYPTO_FIPS140_EVAL_TESTING_H
+#define _CRYPTO_FIPS140_EVAL_TESTING_H
+
+#include <linux/ioctl.h>
+
+/*
+ * This header defines the ioctls that are available on the fips140 character
+ * device.  These ioctls expose some of the module's services to userspace so
+ * that they can be tested by the FIPS certification lab; this is a required
+ * part of getting a FIPS 140 certification.  These ioctls do not have any other
+ * purpose, and they do not need to be present in production builds.
+ */
+
+/*
+ * Call the fips140_is_approved_service() function.  The argument must be the
+ * service name as a NUL-terminated string.  The return value will be 1 if
+ * fips140_is_approved_service() returned true, or 0 if it returned false.
+ */
+#define FIPS140_IOCTL_IS_APPROVED_SERVICE	_IO('F', 0)
+
+/*
+ * Call the fips140_module_version() function.  The argument must be a pointer
+ * to a buffer of size >= 256 chars.  The NUL-terminated string returned by
+ * fips140_module_version() will be written to this buffer.
+ */
+#define FIPS140_IOCTL_MODULE_VERSION		_IOR('F', 1, char[256])
+
+#endif /* _CRYPTO_FIPS140_EVAL_TESTING_H */
diff --git a/crypto/fips140-eval-testing.c b/crypto/fips140-eval-testing.c
new file mode 100644
index 0000000..ea3cd65
--- /dev/null
+++ b/crypto/fips140-eval-testing.c
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ *
+ * This file can optionally be built into fips140.ko in order to support certain
+ * types of testing that the FIPS lab has to do to evaluate the module.  It
+ * should not be included in production builds of the module.
+ */
+
+/*
+ * We have to redefine inline to mean always_inline, so that _copy_to_user()
+ * gets inlined.  This is needed for it to be placed into the correct section.
+ * See fips140_copy_to_user().
+ *
+ * We also need to undefine BUILD_FIPS140_KO to allow the use of the code
+ * patching which copy_to_user() requires.
+ */
+#undef inline
+#define inline inline __attribute__((__always_inline__)) __gnu_inline \
+       __inline_maybe_unused notrace
+#undef BUILD_FIPS140_KO
+
+#include <linux/cdev.h>
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "fips140-module.h"
+#include "fips140-eval-testing-uapi.h"
+
+/*
+ * This option allows deliberately failing the self-tests for a particular
+ * algorithm.
+ */
+static char *fips140_fail_selftest;
+module_param_named(fail_selftest, fips140_fail_selftest, charp, 0);
+
+/* This option allows deliberately failing the integrity check. */
+static bool fips140_fail_integrity_check;
+module_param_named(fail_integrity_check, fips140_fail_integrity_check, bool, 0);
+
+static dev_t fips140_devnum;
+static struct cdev fips140_cdev;
+
+/* Inject a self-test failure (via corrupting the result) if requested. */
+void fips140_inject_selftest_failure(const char *impl, u8 *result)
+{
+	if (fips140_fail_selftest && strcmp(impl, fips140_fail_selftest) == 0)
+		result[0] ^= 0xff;
+}
+
+/* Inject an integrity check failure (via corrupting the text) if requested. */
+void fips140_inject_integrity_failure(u8 *textcopy)
+{
+	if (fips140_fail_integrity_check)
+		textcopy[0] ^= 0xff;
+}
+
+static long fips140_ioctl_is_approved_service(unsigned long arg)
+{
+	const char *service_name = strndup_user((const char __user *)arg, 256);
+	long ret;
+
+	if (IS_ERR(service_name))
+		return PTR_ERR(service_name);
+
+	ret = fips140_is_approved_service(service_name);
+
+	kfree(service_name);
+	return ret;
+}
+
+/*
+ * Code in fips140.ko is covered by an integrity check by default, and this
+ * check breaks if copy_to_user() is called.  This is because copy_to_user() is
+ * an inline function that relies on code patching.  However, since this is
+ * "evaluation testing" code which isn't included in the production builds of
+ * fips140.ko, it's acceptable to just exclude it from the integrity check.
+ */
+static noinline unsigned long __section("text.._fips140_unchecked")
+fips140_copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+	return copy_to_user(to, from, n);
+}
+
+static long fips140_ioctl_module_version(unsigned long arg)
+{
+	const char *version = fips140_module_version();
+	size_t len = strlen(version) + 1;
+
+	if (len > 256)
+		return -EOVERFLOW;
+
+	if (fips140_copy_to_user((void __user *)arg, version, len))
+		return -EFAULT;
+
+	return 0;
+}
+
+static long fips140_ioctl(struct file *file, unsigned int cmd,
+			  unsigned long arg)
+{
+	switch (cmd) {
+	case FIPS140_IOCTL_IS_APPROVED_SERVICE:
+		return fips140_ioctl_is_approved_service(arg);
+	case FIPS140_IOCTL_MODULE_VERSION:
+		return fips140_ioctl_module_version(arg);
+	default:
+		return -ENOTTY;
+	}
+}
+
+static const struct file_operations fips140_fops = {
+	.unlocked_ioctl = fips140_ioctl,
+};
+
+bool fips140_eval_testing_init(void)
+{
+	if (alloc_chrdev_region(&fips140_devnum, 1, 1, "fips140") != 0) {
+		pr_err("failed to allocate device number\n");
+		return false;
+	}
+	cdev_init(&fips140_cdev, &fips140_fops);
+	if (cdev_add(&fips140_cdev, fips140_devnum, 1) != 0) {
+		pr_err("failed to add fips140 character device\n");
+		return false;
+	}
+	return true;
+}
diff --git a/crypto/fips140-generated-testvecs.h b/crypto/fips140-generated-testvecs.h
new file mode 100644
index 0000000..d4ccd77
--- /dev/null
+++ b/crypto/fips140-generated-testvecs.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright 2021 Google LLC */
+
+/*
+ * This header was automatically generated by gen_fips140_testvecs.py.
+ * Don't edit it directly.
+ */
+
+static const u8 fips_message[32] __initconst =
+	"This is a 32-byte test message.";
+
+static const u8 fips_aes_key[16] __initconst = "128-bit AES key";
+
+static const u8 fips_aes_iv[16] __initconst = "ABCDEFGHIJKLMNOP";
+
+static const u8 fips_aes_cbc_ciphertext[32] __initconst =
+	"\x4c\x3e\xeb\x38\x8d\x1f\x28\xfd\xa2\x3b\xa9\xda\x36\xf2\x99\xe2"
+	"\x84\x84\x66\x37\x0a\x53\x68\x2f\x17\x95\x8d\x7f\xca\x5a\x68\x4e";
+
+static const u8 fips_aes_ecb_ciphertext[32] __initconst =
+	"\xc1\x9d\xe6\xb8\xb2\x90\xff\xfe\xf2\x77\x18\xb0\x55\xd3\xee\xa9"
+	"\xe2\x6f\x4a\x32\x67\xfd\xb7\xa5\x2f\x4b\x6e\x1a\x86\x2b\x6e\x3a";
+
+static const u8 fips_aes_ctr_ciphertext[32] __initconst =
+	"\xed\x06\x2c\xd0\xbc\x48\xd1\x2e\x6a\x4e\x13\xe9\xaa\x17\x40\xca"
+	"\x00\xb4\xaf\x3b\x4f\xee\x73\xd6\x6c\x41\xf6\x4c\x8b\x0d\x6a\x0f";
+
+static const u8 fips_aes_gcm_assoc[22] __initconst = "associated data string";
+
+static const u8 fips_aes_gcm_ciphertext[48] __initconst =
+	"\x37\x88\x3e\x1d\x58\x50\xda\x10\x07\xeb\x52\xdf\xea\x0a\x54\xd4"
+	"\x44\xbf\x88\x2a\xf3\x03\x03\x84\xaf\x8b\x96\xbd\xea\x65\x60\x6f"
+	"\x82\xfa\x51\xf4\x28\xad\x0c\xf1\xce\x0f\x91\xdd\x1a\x4c\x77\x5f";
+
+static const u8 fips_aes_xts_key[32] __initconst =
+	"This is an AES-128-XTS key.";
+
+static const u8 fips_aes_xts_ciphertext[32] __initconst =
+	"\x4f\xf7\x9f\x6c\x00\xa8\x30\xdf\xff\xf3\x25\x9c\xf6\x0b\x1b\xfd"
+	"\x3b\x34\x5e\x67\x7c\xf8\x8b\x68\x9a\xb9\x5a\x89\x51\x51\xbd\x35";
+
+static const u8 fips_aes_cmac_digest[16] __initconst =
+	"\x0c\x05\xda\x64\x51\x0c\x8e\x6c\x86\x52\x46\xa8\x2d\xb1\xfe\x0f";
+
+static const u8 fips_hmac_key[16] __initconst = "128-bit HMAC key";
+
+static const u8 fips_sha1_digest[20] __initconst =
+	"\x1b\x78\xc7\x4b\xd5\xd4\x83\xb1\x58\xc5\x96\x83\x4f\x16\x8d\x15"
+	"\xb4\xaa\x22\x8c";
+
+static const u8 fips_sha256_digest[32] __initconst =
+	"\x4e\x11\x83\x0c\x53\x80\x1e\x5f\x9b\x38\x33\x38\xe8\x74\x43\xb0"
+	"\xc1\x3a\xbe\xbf\x75\xf0\x12\x0f\x21\x33\xf5\x16\x33\xf1\xb0\x81";
+
+static const u8 fips_hmac_sha256_digest[32] __initconst =
+	"\x63\x0e\xb5\x73\x79\xfc\xaf\x5f\x86\xe3\xaf\xf0\xc8\x36\xef\xd5"
+	"\x35\x8d\x40\x25\x38\xb3\x65\x72\x98\xf3\x59\xd8\x1e\x54\x4c\xa1";
+
+static const u8 fips_sha512_digest[64] __initconst =
+	"\x32\xe0\x44\x23\xbd\xe3\xec\x28\xbf\xf1\x34\x11\xd5\xae\xbf\xd5"
+	"\xc0\x8e\xb5\xa1\x04\xef\x2f\x07\x84\xf1\xd9\x83\x0f\x6c\x31\xab"
+	"\xf7\xe7\x57\xfa\xf7\xae\xf0\x6f\xb2\x16\x08\x32\xcf\xc7\xef\x35"
+	"\xb3\x3b\x51\xb9\xfd\xe7\xff\x5e\xb2\x8b\xc6\x79\xe6\x14\x04\xb4";
+
+/*
+ * This header was automatically generated by gen_fips140_testvecs.py.
+ * Don't edit it directly.
+ */
diff --git a/crypto/fips140-module.c b/crypto/fips140-module.c
new file mode 100644
index 0000000..cd854fe
--- /dev/null
+++ b/crypto/fips140-module.c
@@ -0,0 +1,603 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ * Author: Ard Biesheuvel <ardb@google.com>
+ *
+ * This file is the core of fips140.ko, which contains various crypto algorithms
+ * that are also built into vmlinux.  At load time, this module overrides the
+ * built-in implementations of these algorithms with its implementations.  It
+ * also runs self-tests on these algorithms and verifies the integrity of its
+ * code and data.  If either of these steps fails, the kernel will panic.
+ *
+ * This module is intended to be loaded at early boot time in order to meet
+ * FIPS 140 and NIAP FPT_TST_EXT.1 requirements.  It shouldn't be used if you
+ * don't need to meet these requirements.
+ */
+
+#undef __DISABLE_EXPORTS
+
+#include <linux/ctype.h>
+#include <linux/module.h>
+#include <crypto/aead.h>
+#include <crypto/aes.h>
+#include <crypto/hash.h>
+#include <crypto/sha.h>
+#include <crypto/skcipher.h>
+#include <crypto/rng.h>
+#include <trace/hooks/fips140.h>
+
+#include "fips140-module.h"
+#include "internal.h"
+
+/*
+ * FIPS 140-2 prefers the use of HMAC with a public key over a plain hash.
+ */
+u8 __initdata fips140_integ_hmac_key[] = "The quick brown fox jumps over the lazy dog";
+
+/* this is populated by the build tool */
+u8 __initdata fips140_integ_hmac_digest[SHA256_DIGEST_SIZE];
+
+const u32 __initcall_start_marker __section(".initcalls._start");
+const u32 __initcall_end_marker __section(".initcalls._end");
+
+const u8 __fips140_text_start __section(".text.._start");
+const u8 __fips140_text_end __section(".text.._end");
+
+const u8 __fips140_rodata_start __section(".rodata.._start");
+const u8 __fips140_rodata_end __section(".rodata.._end");
+
+/*
+ * We need this little detour to prevent Clang from detecting out of bounds
+ * accesses to __fips140_text_start and __fips140_rodata_start, which only exist
+ * to delineate the section, and so their sizes are not relevant to us.
+ */
+const u32 *__initcall_start = &__initcall_start_marker;
+
+const u8 *__text_start = &__fips140_text_start;
+const u8 *__rodata_start = &__fips140_rodata_start;
+
+/*
+ * The list of the crypto API algorithms (by cra_name) that will be unregistered
+ * by this module, in preparation for the module registering its own
+ * implementation(s) of them.
+ *
+ * All algorithms that will be declared as FIPS-approved in the module
+ * certification must be listed here, to ensure that the non-FIPS-approved
+ * implementations of these algorithms in the kernel image aren't used.
+ *
+ * For every algorithm in this list, the module should contain all the "same"
+ * implementations that the kernel image does, including the C implementation as
+ * well as any architecture-specific implementations.  This is needed to avoid
+ * performance regressions as well as the possibility of an algorithm being
+ * unavailable on some CPUs.  E.g., "xcbc(aes)" isn't in this list, as the
+ * module doesn't have a C implementation of it (and it won't be FIPS-approved).
+ *
+ * Due to a quirk in the FIPS requirements, "gcm(aes)" isn't actually able to be
+ * FIPS-approved.  However, we otherwise treat it the same as the algorithms
+ * that will be FIPS-approved, and therefore it's included in this list.
+ *
+ * When adding a new algorithm here, make sure to consider whether it needs a
+ * self-test added to fips140_selftests[] as well.
+ */
+static const struct {
+	const char *name;
+	bool approved;
+} fips140_algs_to_replace[] = {
+	{"aes", true},
+
+	{"cmac(aes)", true},
+	{"ecb(aes)", true},
+
+	{"cbc(aes)", true},
+	{"cts(cbc(aes))", true},
+	{"ctr(aes)", true},
+	{"xts(aes)", true},
+	{"gcm(aes)", false},
+
+	{"hmac(sha1)", true},
+	{"hmac(sha224)", true},
+	{"hmac(sha256)", true},
+	{"hmac(sha384)", true},
+	{"hmac(sha512)", true},
+	{"sha1", true},
+	{"sha224", true},
+	{"sha256", true},
+	{"sha384", true},
+	{"sha512", true},
+
+	{"stdrng", true},
+	{"jitterentropy_rng", false},
+};
+
+static bool __init fips140_should_unregister_alg(struct crypto_alg *alg)
+{
+	int i;
+
+	/*
+	 * All software algorithms are synchronous, hardware algorithms must
+	 * be covered by their own FIPS 140 certification.
+	 */
+	if (alg->cra_flags & CRYPTO_ALG_ASYNC)
+		return false;
+
+	for (i = 0; i < ARRAY_SIZE(fips140_algs_to_replace); i++) {
+		if (!strcmp(alg->cra_name, fips140_algs_to_replace[i].name))
+			return true;
+	}
+	return false;
+}
+
+/*
+ * FIPS 140-3 service indicators.  FIPS 140-3 requires that all services
+ * "provide an indicator when the service utilises an approved cryptographic
+ * algorithm, security function or process in an approved manner".  What this
+ * means is very debatable, even with the help of the FIPS 140-3 Implementation
+ * Guidance document.  However, it was decided that a function that takes in an
+ * algorithm name and returns whether that algorithm is approved or not will
+ * meet this requirement.  Note, this relies on some properties of the module:
+ *
+ *   - The module doesn't distinguish between "services" and "algorithms"; its
+ *     services are simply its algorithms.
+ *
+ *   - The status of an approved algorithm is never non-approved, since (a) the
+ *     module doesn't support operating in a non-approved mode, such as a mode
+ *     where the self-tests are skipped; (b) there are no cases where the module
+ *     supports non-approved settings for approved algorithms, e.g.
+ *     non-approved key sizes; and (c) this function isn't available to be
+ *     called until the module_init function has completed, so it's guaranteed
+ *     that the self-tests and integrity check have already passed.
+ *
+ *   - The module does support some non-approved algorithms, so a single static
+ *     indicator ("return true;") would not be acceptable.
+ */
+bool fips140_is_approved_service(const char *name)
+{
+	size_t i;
+
+	for (i = 0; i < ARRAY_SIZE(fips140_algs_to_replace); i++) {
+		if (!strcmp(name, fips140_algs_to_replace[i].name))
+			return fips140_algs_to_replace[i].approved;
+	}
+	return false;
+}
+EXPORT_SYMBOL_GPL(fips140_is_approved_service);
+
+/*
+ * FIPS 140-3 requires that modules provide a "service" that outputs "the name
+ * or module identifier and the versioning information that can be correlated
+ * with a validation record".  This function meets that requirement.
+ *
+ * Note: the module also prints this same information to the kernel log when it
+ * is loaded.  That might meet the requirement by itself.  However, given the
+ * vagueness of what counts as a "service", we provide this function too, just
+ * in case the certification lab or CMVP is happier with an explicit function.
+ *
+ * Note: /sys/modules/fips140/scmversion also provides versioning information
+ * about the module.  However that file just shows the bare git commit ID, so it
+ * probably isn't sufficient to meet the FIPS requirement, which seems to want
+ * the "official" module name and version number used in the FIPS certificate.
+ */
+const char *fips140_module_version(void)
+{
+	return FIPS140_MODULE_NAME " " FIPS140_MODULE_VERSION;
+}
+EXPORT_SYMBOL_GPL(fips140_module_version);
+
+static LIST_HEAD(existing_live_algos);
+
+/*
+ * Release a list of algorithms which have been removed from crypto_alg_list.
+ *
+ * Note that even though the list is a private list, we have to hold
+ * crypto_alg_sem while iterating through it because crypto_unregister_alg() may
+ * run concurrently (as we haven't taken a reference to the algorithms on the
+ * list), and crypto_unregister_alg() will remove the algorithm from whichever
+ * list it happens to be on, while holding crypto_alg_sem.  That's okay, since
+ * in that case crypto_unregister_alg() will handle the crypto_alg_put().
+ */
+static void fips140_remove_final(struct list_head *list)
+{
+	struct crypto_alg *alg;
+	struct crypto_alg *n;
+
+	/*
+	 * We need to take crypto_alg_sem to safely traverse the list (see
+	 * comment above), but we have to drop it when doing each
+	 * crypto_alg_put() as that may take crypto_alg_sem again.
+	 */
+	down_write(&crypto_alg_sem);
+	list_for_each_entry_safe(alg, n, list, cra_list) {
+		list_del_init(&alg->cra_list);
+		up_write(&crypto_alg_sem);
+
+		crypto_alg_put(alg);
+
+		down_write(&crypto_alg_sem);
+	}
+	up_write(&crypto_alg_sem);
+}
+
+static void __init unregister_existing_fips140_algos(void)
+{
+	struct crypto_alg *alg, *tmp;
+	LIST_HEAD(remove_list);
+	LIST_HEAD(spawns);
+
+	down_write(&crypto_alg_sem);
+
+	/*
+	 * Find all registered algorithms that we care about, and move them to a
+	 * private list so that they are no longer exposed via the algo lookup
+	 * API. Subsequently, we will unregister them if they are not in active
+	 * use. If they are, we can't fully unregister them but we can ensure
+	 * that new users won't use them.
+	 */
+	list_for_each_entry_safe(alg, tmp, &crypto_alg_list, cra_list) {
+		if (!fips140_should_unregister_alg(alg))
+			continue;
+		if (refcount_read(&alg->cra_refcnt) == 1) {
+			/*
+			 * This algorithm is not currently in use, but there may
+			 * be template instances holding references to it via
+			 * spawns. So let's tear it down like
+			 * crypto_unregister_alg() would, but without releasing
+			 * the lock, to prevent races with concurrent TFM
+			 * allocations.
+			 */
+			alg->cra_flags |= CRYPTO_ALG_DEAD;
+			list_move(&alg->cra_list, &remove_list);
+			crypto_remove_spawns(alg, &spawns, NULL);
+		} else {
+			/*
+			 * This algorithm is live, i.e. it has TFMs allocated,
+			 * so we can't fully unregister it.  It's not necessary
+			 * to dynamically redirect existing users to the FIPS
+			 * code, given that they can't be relying on FIPS
+			 * certified crypto in the first place.  However, we do
+			 * need to ensure that new users will get the FIPS code.
+			 *
+			 * In most cases, setting alg->cra_priority to 0
+			 * achieves this.  However, that isn't enough for
+			 * algorithms like "hmac(sha256)" that need to be
+			 * instantiated from a template, since existing
+			 * algorithms always take priority over a template being
+			 * instantiated.  Therefore, we move the algorithm to
+			 * a private list so that algorithm lookups won't find
+			 * it anymore.  To further distinguish it from the FIPS
+			 * algorithms, we also append "+orig" to its name.
+			 */
+			pr_info("found already-live algorithm '%s' ('%s')\n",
+				alg->cra_name, alg->cra_driver_name);
+			alg->cra_priority = 0;
+			strlcat(alg->cra_name, "+orig", CRYPTO_MAX_ALG_NAME);
+			strlcat(alg->cra_driver_name, "+orig",
+				CRYPTO_MAX_ALG_NAME);
+			list_move(&alg->cra_list, &existing_live_algos);
+		}
+	}
+	up_write(&crypto_alg_sem);
+
+	fips140_remove_final(&remove_list);
+	fips140_remove_final(&spawns);
+}
+
+static void __init unapply_text_relocations(void *section, int section_size,
+					    const Elf64_Rela *rela, int numrels)
+{
+	while (numrels--) {
+		u32 *place = (u32 *)(section + rela->r_offset);
+
+		BUG_ON(rela->r_offset >= section_size);
+
+		switch (ELF64_R_TYPE(rela->r_info)) {
+#ifdef CONFIG_ARM64
+		case R_AARCH64_JUMP26:
+		case R_AARCH64_CALL26:
+			*place &= ~GENMASK(25, 0);
+			break;
+
+		case R_AARCH64_ADR_PREL_LO21:
+		case R_AARCH64_ADR_PREL_PG_HI21:
+		case R_AARCH64_ADR_PREL_PG_HI21_NC:
+			*place &= ~(GENMASK(30, 29) | GENMASK(23, 5));
+			break;
+
+		case R_AARCH64_ADD_ABS_LO12_NC:
+		case R_AARCH64_LDST8_ABS_LO12_NC:
+		case R_AARCH64_LDST16_ABS_LO12_NC:
+		case R_AARCH64_LDST32_ABS_LO12_NC:
+		case R_AARCH64_LDST64_ABS_LO12_NC:
+		case R_AARCH64_LDST128_ABS_LO12_NC:
+			*place &= ~GENMASK(21, 10);
+			break;
+		default:
+			pr_err("unhandled relocation type %llu\n",
+			       ELF64_R_TYPE(rela->r_info));
+			BUG();
+#else
+#error
+#endif
+		}
+		rela++;
+	}
+}
+
+static void __init unapply_rodata_relocations(void *section, int section_size,
+					      const Elf64_Rela *rela, int numrels)
+{
+	while (numrels--) {
+		void *place = section + rela->r_offset;
+
+		BUG_ON(rela->r_offset >= section_size);
+
+		switch (ELF64_R_TYPE(rela->r_info)) {
+#ifdef CONFIG_ARM64
+		case R_AARCH64_ABS64:
+			*(u64 *)place = 0;
+			break;
+		default:
+			pr_err("unhandled relocation type %llu\n",
+			       ELF64_R_TYPE(rela->r_info));
+			BUG();
+#else
+#error
+#endif
+		}
+		rela++;
+	}
+}
+
+extern struct {
+	u32	offset;
+	u32	count;
+} fips140_rela_text, fips140_rela_rodata;
+
+static bool __init check_fips140_module_hmac(void)
+{
+	struct crypto_shash *tfm = NULL;
+	SHASH_DESC_ON_STACK(desc, dontcare);
+	u8 digest[SHA256_DIGEST_SIZE];
+	void *textcopy, *rodatacopy;
+	int textsize, rodatasize;
+	bool ok = false;
+	int err;
+
+	textsize	= &__fips140_text_end - &__fips140_text_start;
+	rodatasize	= &__fips140_rodata_end - &__fips140_rodata_start;
+
+	pr_info("text size  : 0x%x\n", textsize);
+	pr_info("rodata size: 0x%x\n", rodatasize);
+
+	textcopy = kmalloc(textsize + rodatasize, GFP_KERNEL);
+	if (!textcopy) {
+		pr_err("Failed to allocate memory for copy of .text\n");
+		goto out;
+	}
+
+	rodatacopy = textcopy + textsize;
+
+	memcpy(textcopy, __text_start, textsize);
+	memcpy(rodatacopy, __rodata_start, rodatasize);
+
+	// apply the relocations in reverse on the copies of .text  and .rodata
+	unapply_text_relocations(textcopy, textsize,
+				 offset_to_ptr(&fips140_rela_text.offset),
+				 fips140_rela_text.count);
+
+	unapply_rodata_relocations(rodatacopy, rodatasize,
+				  offset_to_ptr(&fips140_rela_rodata.offset),
+				  fips140_rela_rodata.count);
+
+	fips140_inject_integrity_failure(textcopy);
+
+	tfm = crypto_alloc_shash("hmac(sha256)", 0, 0);
+	if (IS_ERR(tfm)) {
+		pr_err("failed to allocate hmac tfm (%ld)\n", PTR_ERR(tfm));
+		tfm = NULL;
+		goto out;
+	}
+	desc->tfm = tfm;
+
+	pr_info("using '%s' for integrity check\n",
+		crypto_shash_driver_name(tfm));
+
+	err = crypto_shash_setkey(tfm, fips140_integ_hmac_key,
+				  strlen(fips140_integ_hmac_key)) ?:
+	      crypto_shash_init(desc) ?:
+	      crypto_shash_update(desc, textcopy, textsize) ?:
+	      crypto_shash_finup(desc, rodatacopy, rodatasize, digest);
+
+	/* Zeroizing this is important; see the comment below. */
+	shash_desc_zero(desc);
+
+	if (err) {
+		pr_err("failed to calculate hmac shash (%d)\n", err);
+		goto out;
+	}
+
+	if (memcmp(digest, fips140_integ_hmac_digest, sizeof(digest))) {
+		pr_err("provided_digest  : %*phN\n", (int)sizeof(digest),
+		       fips140_integ_hmac_digest);
+
+		pr_err("calculated digest: %*phN\n", (int)sizeof(digest),
+		       digest);
+		goto out;
+	}
+	ok = true;
+out:
+	/*
+	 * FIPS 140-3 requires that all "temporary value(s) generated during the
+	 * integrity test" be zeroized (ref: FIPS 140-3 IG 9.7.B).  There is no
+	 * technical reason to do this given that these values are public
+	 * information, but this is the requirement so we follow it.
+	 */
+	crypto_free_shash(tfm);
+	memzero_explicit(digest, sizeof(digest));
+	kfree_sensitive(textcopy);
+	return ok;
+}
+
+static void fips140_sha256(void *p, const u8 *data, unsigned int len, u8 *out,
+			   int *hook_inuse)
+{
+	sha256(data, len, out);
+	*hook_inuse = 1;
+}
+
+static void fips140_aes_expandkey(void *p, struct crypto_aes_ctx *ctx,
+				  const u8 *in_key, unsigned int key_len,
+				  int *err)
+{
+	*err = aes_expandkey(ctx, in_key, key_len);
+}
+
+static void fips140_aes_encrypt(void *priv, const struct crypto_aes_ctx *ctx,
+				u8 *out, const u8 *in, int *hook_inuse)
+{
+	aes_encrypt(ctx, out, in);
+	*hook_inuse = 1;
+}
+
+static void fips140_aes_decrypt(void *priv, const struct crypto_aes_ctx *ctx,
+				u8 *out, const u8 *in, int *hook_inuse)
+{
+	aes_decrypt(ctx, out, in);
+	*hook_inuse = 1;
+}
+
+static bool update_fips140_library_routines(void)
+{
+	int ret;
+
+	ret = register_trace_android_vh_sha256(fips140_sha256, NULL) ?:
+	      register_trace_android_vh_aes_expandkey(fips140_aes_expandkey, NULL) ?:
+	      register_trace_android_vh_aes_encrypt(fips140_aes_encrypt, NULL) ?:
+	      register_trace_android_vh_aes_decrypt(fips140_aes_decrypt, NULL);
+
+	return ret == 0;
+}
+
+/*
+ * Initialize the FIPS 140 module.
+ *
+ * Note: this routine iterates over the contents of the initcall section, which
+ * consists of an array of function pointers that was emitted by the linker
+ * rather than the compiler. This means that these function pointers lack the
+ * usual CFI stubs that the compiler emits when CFI codegen is enabled. So
+ * let's disable CFI locally when handling the initcall array, to avoid
+ * surpises.
+ */
+static int __init __attribute__((__no_sanitize__("cfi")))
+fips140_init(void)
+{
+	const u32 *initcall;
+
+	pr_info("loading " FIPS140_MODULE_NAME " " FIPS140_MODULE_VERSION "\n");
+	fips140_init_thread = current;
+
+	unregister_existing_fips140_algos();
+
+	/* iterate over all init routines present in this module and call them */
+	for (initcall = __initcall_start + 1;
+	     initcall < &__initcall_end_marker;
+	     initcall++) {
+		int (*init)(void) = offset_to_ptr(initcall);
+		int err = init();
+
+		/*
+		 * ENODEV is expected from initcalls that only register
+		 * algorithms that depend on non-present CPU features.  Besides
+		 * that, errors aren't expected here.
+		 */
+		if (err && err != -ENODEV) {
+			pr_err("initcall %ps() failed: %d\n", init, err);
+			goto panic;
+		}
+	}
+
+	if (!fips140_run_selftests())
+		goto panic;
+
+	/*
+	 * It may seem backward to perform the integrity check last, but this
+	 * is intentional: the check itself uses hmac(sha256) which is one of
+	 * the algorithms that are replaced with versions from this module, and
+	 * the integrity check must use the replacement version.  Also, to be
+	 * ready for FIPS 140-3, the integrity check algorithm must have already
+	 * been self-tested.
+	 */
+
+	if (!check_fips140_module_hmac()) {
+		pr_crit("integrity check failed -- giving up!\n");
+		goto panic;
+	}
+	pr_info("integrity check passed\n");
+
+	complete_all(&fips140_tests_done);
+
+	if (!update_fips140_library_routines())
+		goto panic;
+
+	if (!fips140_eval_testing_init())
+		goto panic;
+
+	pr_info("module successfully loaded\n");
+	return 0;
+
+panic:
+	panic("FIPS 140 module load failure");
+}
+
+module_init(fips140_init);
+
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
+MODULE_LICENSE("GPL v2");
+
+/*
+ * Crypto-related helper functions, reproduced here so that they will be
+ * covered by the FIPS 140 integrity check.
+ *
+ * Non-cryptographic helper functions such as memcpy() can be excluded from the
+ * FIPS module, but there is ambiguity about other helper functions like
+ * __crypto_xor() and crypto_inc() which aren't cryptographic by themselves,
+ * but are more closely associated with cryptography than e.g. memcpy(). To
+ * err on the side of caution, we include copies of these in the FIPS module.
+ */
+void __crypto_xor(u8 *dst, const u8 *src1, const u8 *src2, unsigned int len)
+{
+	while (len >= 8) {
+		*(u64 *)dst = *(u64 *)src1 ^  *(u64 *)src2;
+		dst += 8;
+		src1 += 8;
+		src2 += 8;
+		len -= 8;
+	}
+
+	while (len >= 4) {
+		*(u32 *)dst = *(u32 *)src1 ^ *(u32 *)src2;
+		dst += 4;
+		src1 += 4;
+		src2 += 4;
+		len -= 4;
+	}
+
+	while (len >= 2) {
+		*(u16 *)dst = *(u16 *)src1 ^ *(u16 *)src2;
+		dst += 2;
+		src1 += 2;
+		src2 += 2;
+		len -= 2;
+	}
+
+	while (len--)
+		*dst++ = *src1++ ^ *src2++;
+}
+
+void crypto_inc(u8 *a, unsigned int size)
+{
+	a += size;
+
+	while (size--)
+		if (++*--a)
+			break;
+}
diff --git a/crypto/fips140-module.h b/crypto/fips140-module.h
new file mode 100644
index 0000000..a2a6319
--- /dev/null
+++ b/crypto/fips140-module.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 Google LLC
+ */
+
+#ifndef _CRYPTO_FIPS140_MODULE_H
+#define _CRYPTO_FIPS140_MODULE_H
+
+#include <linux/completion.h>
+#include <linux/module.h>
+#include <generated/utsrelease.h>
+
+#undef pr_fmt
+#define pr_fmt(fmt) "fips140: " fmt
+
+/*
+ * This is the name and version number of the module that are shown on the FIPS
+ * certificate.
+ */
+#define FIPS140_MODULE_NAME "Android Kernel Cryptographic Module"
+#define FIPS140_MODULE_VERSION UTS_RELEASE
+
+/* fips140-eval-testing.c */
+#ifdef CONFIG_CRYPTO_FIPS140_MOD_EVAL_TESTING
+void fips140_inject_selftest_failure(const char *impl, u8 *result);
+void fips140_inject_integrity_failure(u8 *textcopy);
+bool fips140_eval_testing_init(void);
+#else
+static inline void fips140_inject_selftest_failure(const char *impl, u8 *result)
+{
+}
+static inline void fips140_inject_integrity_failure(u8 *textcopy)
+{
+}
+static inline bool fips140_eval_testing_init(void)
+{
+	return true;
+}
+#endif /* !CONFIG_CRYPTO_FIPS140_MOD_EVAL_TESTING */
+
+/* fips140-module.c */
+extern struct completion fips140_tests_done;
+extern struct task_struct *fips140_init_thread;
+bool fips140_is_approved_service(const char *name);
+const char *fips140_module_version(void);
+
+/* fips140-selftests.c */
+bool __init __must_check fips140_run_selftests(void);
+
+#endif /* _CRYPTO_FIPS140_MODULE_H */
diff --git a/crypto/fips140-refs.S b/crypto/fips140-refs.S
new file mode 100644
index 0000000..fcbd527
--- /dev/null
+++ b/crypto/fips140-refs.S
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 Google LLC
+ * Author: Ard Biesheuvel <ardb@google.com>
+ *
+ * This file contains the variable definitions that will be used by the FIPS140
+ * s/w module to access the RELA sections in the ELF image. These are used to
+ * apply the relocations applied by the module loader in reverse, so that we
+ * can reconstruct the image that was used to derive the HMAC used by the
+ * integrity check.
+ *
+ * The first .long of each entry will be populated by the module loader based
+ * on the actual placement of the respective RELA section in memory. The second
+ * .long carries the RELA entry count, and is populated by the host tool that
+ * also generates the HMAC of the contents of .text and .rodata.
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+	.section	".init.rodata", "a"
+
+	.align	2
+	.globl	fips140_rela_text
+fips140_rela_text:
+	.weak	__sec_rela_text
+	.long	__sec_rela_text - .
+	.long	0
+
+	.globl	fips140_rela_rodata
+fips140_rela_rodata:
+	.weak	__sec_rela_rodata
+	.long	__sec_rela_rodata - .
+	.long	0
diff --git a/crypto/fips140-selftests.c b/crypto/fips140-selftests.c
new file mode 100644
index 0000000..56c503c
--- /dev/null
+++ b/crypto/fips140-selftests.c
@@ -0,0 +1,998 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Authors: Elena Petrova <lenaptr@google.com>,
+ *          Eric Biggers <ebiggers@google.com>
+ *
+ * Self-tests of fips140.ko cryptographic functionality.  These are run at
+ * module load time to fulfill FIPS 140 and NIAP FPT_TST_EXT.1 requirements.
+ *
+ * The actual requirements for these self-tests are somewhat vague, but
+ * section 9 ("Self-Tests") of the FIPS 140-2 Implementation Guidance document
+ * (https://csrc.nist.gov/csrc/media/projects/cryptographic-module-validation-program/documents/fips140-2/fips1402ig.pdf)
+ * is somewhat helpful.  Basically, all implementations of all FIPS approved
+ * algorithms (including modes of operation) must be tested.  However:
+ *
+ *   - There are provisions for skipping tests that are already sufficiently
+ *     covered by other tests.  E.g., HMAC-SHA256 may cover SHA-256.
+ *
+ *   - Only one test vector is required per algorithm, and it can be generated
+ *     by any known-good implementation or taken from any official document.
+ *
+ *   - For ciphers, both encryption and decryption must be tested.
+ *
+ *   - Only one key size per algorithm needs to be tested.
+ *
+ * There is some ambiguity about whether all implementations of each algorithm
+ * must be tested, or whether it is sufficient to test just the highest priority
+ * implementation.  To be safe we test all implementations, except ones that can
+ * be excluded by one of the rules above.
+ *
+ * See fips140_selftests[] for the list of tests we've selected.  Currently, all
+ * our test vectors except the AES-CBC-CTS and DRBG ones were generated by the
+ * script tools/crypto/gen_fips140_testvecs.py, using the known-good
+ * implementations in the Python packages hashlib, pycryptodome, and
+ * cryptography.
+ *
+ * Note that we don't reuse the upstream crypto API's self-tests
+ * (crypto/testmgr.{c,h}), for several reasons:
+ *
+ *   - To meet FIPS requirements, the self-tests must be located within the FIPS
+ *     module boundary (fips140.ko).  But testmgr is integrated into the crypto
+ *     API framework and can't be extracted into the module.
+ *
+ *   - testmgr is much more heavyweight than required for FIPS and NIAP; it
+ *     tests more algorithms and does more tests per algorithm, as it's meant to
+ *     do proper testing and not just meet certification requirements.  We need
+ *     tests that can run with minimal overhead on every boot-up.
+ *
+ *   - Despite being more heavyweight in general, testmgr doesn't test the
+ *     SHA-256 and AES library APIs, despite that being needed here.
+ */
+#include <crypto/aead.h>
+#include <crypto/aes.h>
+#include <crypto/drbg.h>
+#include <crypto/hash.h>
+#include <crypto/rng.h>
+#include <crypto/sha.h>
+#include <crypto/skcipher.h>
+
+#include "fips140-module.h"
+
+/* Test vector for an AEAD algorithm */
+struct aead_testvec {
+	const u8 *key;
+	size_t key_size;
+	const u8 *iv;
+	size_t iv_size;
+	const u8 *assoc;
+	size_t assoc_size;
+	const u8 *plaintext;
+	size_t plaintext_size;
+	const u8 *ciphertext;
+	size_t ciphertext_size;
+};
+
+/* Test vector for a length-preserving encryption algorithm */
+struct skcipher_testvec {
+	const u8 *key;
+	size_t key_size;
+	const u8 *iv;
+	size_t iv_size;
+	const u8 *plaintext;
+	const u8 *ciphertext;
+	size_t message_size;
+};
+
+/* Test vector for a hash algorithm */
+struct hash_testvec {
+	const u8 *key;
+	size_t key_size;
+	const u8 *message;
+	size_t message_size;
+	const u8 *digest;
+	size_t digest_size;
+};
+
+/* Test vector for a DRBG algorithm */
+struct drbg_testvec {
+	const u8 *entropy;
+	size_t entropy_size;
+	const u8 *pers;
+	size_t pers_size;
+	const u8 *entpr_a;
+	const u8 *entpr_b;
+	size_t entpr_size;
+	const u8 *add_a;
+	const u8 *add_b;
+	size_t add_size;
+	const u8 *output;
+	size_t out_size;
+};
+
+struct fips_test {
+	/* The name of the algorithm, in crypto API syntax */
+	const char *alg;
+
+	/*
+	 * The optional list of implementations to test.  @func will be called
+	 * once per implementation, or once with @alg if this list is empty.
+	 * The implementation names must be given in crypto API syntax, or in
+	 * the case of a library implementation should have "-lib" appended.
+	 */
+	const char *impls[8];
+
+	/*
+	 * The test function.  It should execute a known-answer test on an
+	 * algorithm implementation, using the below test vector.
+	 */
+	int __must_check (*func)(const struct fips_test *test,
+				 const char *impl);
+
+	/* The test vector, with a format specific to the type of algorithm */
+	union {
+		struct aead_testvec aead;
+		struct skcipher_testvec skcipher;
+		struct hash_testvec hash;
+		struct drbg_testvec drbg;
+	};
+};
+
+/* Maximum IV size (in bytes) among any algorithm tested here */
+#define MAX_IV_SIZE	16
+
+static int __init __must_check
+fips_check_result(u8 *result, const u8 *expected_result, size_t result_size,
+		  const char *impl, const char *operation)
+{
+	fips140_inject_selftest_failure(impl, result);
+	if (memcmp(result, expected_result, result_size) != 0) {
+		pr_err("wrong result from %s %s\n", impl, operation);
+		return -EBADMSG;
+	}
+	return 0;
+}
+
+/*
+ * None of the algorithms should be ASYNC, as the FIPS module doesn't register
+ * any ASYNC algorithms.  (The ASYNC flag is only declared by hardware
+ * algorithms, which would need their own FIPS certification.)
+ *
+ * Ideally we would verify alg->cra_module == THIS_MODULE here as well, but that
+ * doesn't work because the files are compiled as built-in code.
+ */
+static int __init __must_check
+fips_validate_alg(const struct crypto_alg *alg)
+{
+	if (alg->cra_flags & CRYPTO_ALG_ASYNC) {
+		pr_err("unexpectedly got async implementation of %s (%s)\n",
+		       alg->cra_name, alg->cra_driver_name);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int __init __must_check
+fips_handle_alloc_tfm_error(const char *impl, int err)
+{
+	if (err == -ENOENT) {
+		/*
+		 * The requested implementation of the algorithm wasn't found.
+		 * This is expected if the CPU lacks a feature the
+		 * implementation needs, such as the ARMv8 Crypto Extensions.
+		 *
+		 * When this happens, the implementation isn't available for
+		 * use, so we can't test it, nor do we need to.  So we just skip
+		 * the test.
+		 */
+		pr_info("%s is unavailable (no CPU support?), skipping testing it\n",
+			impl);
+		return 0;
+	}
+	pr_err("failed to allocate %s tfm: %d\n", impl, err);
+	return err;
+}
+
+static int __init __must_check
+fips_test_aes_library(const struct fips_test *test, const char *impl)
+{
+	const struct skcipher_testvec *vec = &test->skcipher;
+	struct crypto_aes_ctx ctx;
+	u8 block[AES_BLOCK_SIZE];
+	int err;
+
+	if (WARN_ON(vec->message_size != AES_BLOCK_SIZE))
+		return -EINVAL;
+
+	err = aes_expandkey(&ctx, vec->key, vec->key_size);
+	if (err) {
+		pr_err("aes_expandkey() failed: %d\n", err);
+		return err;
+	}
+	aes_encrypt(&ctx, block, vec->plaintext);
+	err = fips_check_result(block, vec->ciphertext, AES_BLOCK_SIZE,
+				impl, "encryption");
+	if (err)
+		return err;
+	aes_decrypt(&ctx, block, block);
+	return fips_check_result(block, vec->plaintext, AES_BLOCK_SIZE,
+				 impl, "decryption");
+}
+
+/* Test a length-preserving symmetric cipher using the crypto_skcipher API. */
+static int __init __must_check
+fips_test_skcipher(const struct fips_test *test, const char *impl)
+{
+	const struct skcipher_testvec *vec = &test->skcipher;
+	struct crypto_skcipher *tfm;
+	struct skcipher_request *req = NULL;
+	u8 *message = NULL;
+	struct scatterlist sg;
+	u8 iv[MAX_IV_SIZE];
+	int err;
+
+	if (WARN_ON(vec->iv_size > MAX_IV_SIZE))
+		return -EINVAL;
+	if (WARN_ON(vec->message_size <= 0))
+		return -EINVAL;
+
+	tfm = crypto_alloc_skcipher(impl, 0, 0);
+	if (IS_ERR(tfm))
+		return fips_handle_alloc_tfm_error(impl, PTR_ERR(tfm));
+	err = fips_validate_alg(&crypto_skcipher_alg(tfm)->base);
+	if (err)
+		goto out;
+	if (crypto_skcipher_ivsize(tfm) != vec->iv_size) {
+		pr_err("%s has wrong IV size\n", impl);
+		err = -EINVAL;
+		goto out;
+	}
+
+	req = skcipher_request_alloc(tfm, GFP_KERNEL);
+	message = kmemdup(vec->plaintext, vec->message_size, GFP_KERNEL);
+	if (!req || !message) {
+		err = -ENOMEM;
+		goto out;
+	}
+	sg_init_one(&sg, message, vec->message_size);
+
+	skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP,
+				      NULL, NULL);
+	skcipher_request_set_crypt(req, &sg, &sg, vec->message_size, iv);
+
+	err = crypto_skcipher_setkey(tfm, vec->key, vec->key_size);
+	if (err) {
+		pr_err("failed to set %s key: %d\n", impl, err);
+		goto out;
+	}
+
+	/* Encrypt the plaintext, then verify the resulting ciphertext. */
+	memcpy(iv, vec->iv, vec->iv_size);
+	err = crypto_skcipher_encrypt(req);
+	if (err) {
+		pr_err("%s encryption failed: %d\n", impl, err);
+		goto out;
+	}
+	err = fips_check_result(message, vec->ciphertext, vec->message_size,
+				impl, "encryption");
+	if (err)
+		goto out;
+
+	/* Decrypt the ciphertext, then verify the resulting plaintext. */
+	memcpy(iv, vec->iv, vec->iv_size);
+	err = crypto_skcipher_decrypt(req);
+	if (err) {
+		pr_err("%s decryption failed: %d\n", impl, err);
+		goto out;
+	}
+	err = fips_check_result(message, vec->plaintext, vec->message_size,
+				impl, "decryption");
+out:
+	kfree(message);
+	skcipher_request_free(req);
+	crypto_free_skcipher(tfm);
+	return err;
+}
+
+/* Test an AEAD using the crypto_aead API. */
+static int __init __must_check
+fips_test_aead(const struct fips_test *test, const char *impl)
+{
+	const struct aead_testvec *vec = &test->aead;
+	const int tag_size = vec->ciphertext_size - vec->plaintext_size;
+	struct crypto_aead *tfm;
+	struct aead_request *req = NULL;
+	u8 *assoc = NULL;
+	u8 *message = NULL;
+	struct scatterlist sg[2];
+	int sg_idx = 0;
+	u8 iv[MAX_IV_SIZE];
+	int err;
+
+	if (WARN_ON(vec->iv_size > MAX_IV_SIZE))
+		return -EINVAL;
+	if (WARN_ON(vec->ciphertext_size <= vec->plaintext_size))
+		return -EINVAL;
+
+	tfm = crypto_alloc_aead(impl, 0, 0);
+	if (IS_ERR(tfm))
+		return fips_handle_alloc_tfm_error(impl, PTR_ERR(tfm));
+	err = fips_validate_alg(&crypto_aead_alg(tfm)->base);
+	if (err)
+		goto out;
+	if (crypto_aead_ivsize(tfm) != vec->iv_size) {
+		pr_err("%s has wrong IV size\n", impl);
+		err = -EINVAL;
+		goto out;
+	}
+
+	req = aead_request_alloc(tfm, GFP_KERNEL);
+	assoc = kmemdup(vec->assoc, vec->assoc_size, GFP_KERNEL);
+	message = kzalloc(vec->ciphertext_size, GFP_KERNEL);
+	if (!req || !assoc || !message) {
+		err = -ENOMEM;
+		goto out;
+	}
+	memcpy(message, vec->plaintext, vec->plaintext_size);
+
+	sg_init_table(sg, ARRAY_SIZE(sg));
+	if (vec->assoc_size)
+		sg_set_buf(&sg[sg_idx++], assoc, vec->assoc_size);
+	sg_set_buf(&sg[sg_idx++], message, vec->ciphertext_size);
+
+	aead_request_set_ad(req, vec->assoc_size);
+	aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
+
+	err = crypto_aead_setkey(tfm, vec->key, vec->key_size);
+	if (err) {
+		pr_err("failed to set %s key: %d\n", impl, err);
+		goto out;
+	}
+
+	err = crypto_aead_setauthsize(tfm, tag_size);
+	if (err) {
+		pr_err("failed to set %s authentication tag size: %d\n",
+		       impl, err);
+		goto out;
+	}
+
+	/*
+	 * Encrypt the plaintext, then verify the resulting ciphertext (which
+	 * includes the authentication tag).
+	 */
+	memcpy(iv, vec->iv, vec->iv_size);
+	aead_request_set_crypt(req, sg, sg, vec->plaintext_size, iv);
+	err = crypto_aead_encrypt(req);
+	if (err) {
+		pr_err("%s encryption failed: %d\n", impl, err);
+		goto out;
+	}
+	err = fips_check_result(message, vec->ciphertext, vec->ciphertext_size,
+				impl, "encryption");
+	if (err)
+		goto out;
+
+	/*
+	 * Decrypt the ciphertext (which includes the authentication tag), then
+	 * verify the resulting plaintext.
+	 */
+	memcpy(iv, vec->iv, vec->iv_size);
+	aead_request_set_crypt(req, sg, sg, vec->ciphertext_size, iv);
+	err = crypto_aead_decrypt(req);
+	if (err) {
+		pr_err("%s decryption failed: %d\n", impl, err);
+		goto out;
+	}
+	err = fips_check_result(message, vec->plaintext, vec->plaintext_size,
+				impl, "decryption");
+out:
+	kfree(message);
+	kfree(assoc);
+	aead_request_free(req);
+	crypto_free_aead(tfm);
+	return err;
+}
+
+/*
+ * Test a hash algorithm using the crypto_shash API.
+ *
+ * Note that we don't need to test the crypto_ahash API too, since none of the
+ * hash algorithms in the FIPS module have the ASYNC flag, and thus there will
+ * be no hash algorithms that can be accessed only through crypto_ahash.
+ */
+static int __init __must_check
+fips_test_hash(const struct fips_test *test, const char *impl)
+{
+	const struct hash_testvec *vec = &test->hash;
+	struct crypto_shash *tfm;
+	u8 digest[HASH_MAX_DIGESTSIZE];
+	int err;
+
+	if (WARN_ON(vec->digest_size > HASH_MAX_DIGESTSIZE))
+		return -EINVAL;
+
+	tfm = crypto_alloc_shash(impl, 0, 0);
+	if (IS_ERR(tfm))
+		return fips_handle_alloc_tfm_error(impl, PTR_ERR(tfm));
+	err = fips_validate_alg(&crypto_shash_alg(tfm)->base);
+	if (err)
+		goto out;
+	if (crypto_shash_digestsize(tfm) != vec->digest_size) {
+		pr_err("%s has wrong digest size\n", impl);
+		err = -EINVAL;
+		goto out;
+	}
+
+	if (vec->key) {
+		err = crypto_shash_setkey(tfm, vec->key, vec->key_size);
+		if (err) {
+			pr_err("failed to set %s key: %d\n", impl, err);
+			goto out;
+		}
+	}
+
+	err = crypto_shash_tfm_digest(tfm, vec->message, vec->message_size,
+				      digest);
+	if (err) {
+		pr_err("%s digest computation failed: %d\n", impl, err);
+		goto out;
+	}
+	err = fips_check_result(digest, vec->digest, vec->digest_size,
+				impl, "digest");
+out:
+	crypto_free_shash(tfm);
+	return err;
+}
+
+static int __init __must_check
+fips_test_sha256_library(const struct fips_test *test, const char *impl)
+{
+	const struct hash_testvec *vec = &test->hash;
+	u8 digest[SHA256_DIGEST_SIZE];
+
+	if (WARN_ON(vec->digest_size != SHA256_DIGEST_SIZE))
+		return -EINVAL;
+
+	sha256(vec->message, vec->message_size, digest);
+	return fips_check_result(digest, vec->digest, vec->digest_size,
+				 impl, "digest");
+}
+
+/* Test a DRBG using the crypto_rng API. */
+static int __init __must_check
+fips_test_drbg(const struct fips_test *test, const char *impl)
+{
+	const struct drbg_testvec *vec = &test->drbg;
+	struct crypto_rng *rng;
+	u8 *output = NULL;
+	struct drbg_test_data test_data;
+	struct drbg_string addtl, pers, testentropy;
+	int err;
+
+	rng = crypto_alloc_rng(impl, 0, 0);
+	if (IS_ERR(rng))
+		return fips_handle_alloc_tfm_error(impl, PTR_ERR(rng));
+	err = fips_validate_alg(&crypto_rng_alg(rng)->base);
+	if (err)
+		goto out;
+
+	output = kzalloc(vec->out_size, GFP_KERNEL);
+	if (!output) {
+		err = -ENOMEM;
+		goto out;
+	}
+
+	/*
+	 * Initialize the DRBG with the entropy and personalization string given
+	 * in the test vector.
+	 */
+	test_data.testentropy = &testentropy;
+	drbg_string_fill(&testentropy, vec->entropy, vec->entropy_size);
+	drbg_string_fill(&pers, vec->pers, vec->pers_size);
+	err = crypto_drbg_reset_test(rng, &pers, &test_data);
+	if (err) {
+		pr_err("failed to reset %s\n", impl);
+		goto out;
+	}
+
+	/*
+	 * Generate some random bytes using the additional data string provided
+	 * in the test vector.  Also use the additional entropy if provided
+	 * (relevant for the prediction-resistant DRBG variants only).
+	 */
+	drbg_string_fill(&addtl, vec->add_a, vec->add_size);
+	if (vec->entpr_size) {
+		drbg_string_fill(&testentropy, vec->entpr_a, vec->entpr_size);
+		err = crypto_drbg_get_bytes_addtl_test(rng, output,
+						       vec->out_size, &addtl,
+						       &test_data);
+	} else {
+		err = crypto_drbg_get_bytes_addtl(rng, output, vec->out_size,
+						  &addtl);
+	}
+	if (err) {
+		pr_err("failed to get bytes from %s (try 1): %d\n",
+		       impl, err);
+		goto out;
+	}
+
+	/*
+	 * Do the same again, using a second additional data string, and (when
+	 * applicable) a second additional entropy string.
+	 */
+	drbg_string_fill(&addtl, vec->add_b, vec->add_size);
+	if (test->drbg.entpr_size) {
+		drbg_string_fill(&testentropy, vec->entpr_b, vec->entpr_size);
+		err = crypto_drbg_get_bytes_addtl_test(rng, output,
+						       vec->out_size, &addtl,
+						       &test_data);
+	} else {
+		err = crypto_drbg_get_bytes_addtl(rng, output, vec->out_size,
+						  &addtl);
+	}
+	if (err) {
+		pr_err("failed to get bytes from %s (try 2): %d\n",
+		       impl, err);
+		goto out;
+	}
+
+	/* Check that the DRBG generated the expected output. */
+	err = fips_check_result(output, vec->output, vec->out_size,
+				impl, "get_bytes");
+out:
+	kfree(output);
+	crypto_free_rng(rng);
+	return err;
+}
+
+/* Include the test vectors generated by the Python script. */
+#include "fips140-generated-testvecs.h"
+
+/*
+ * List of all self-tests.  Keep this in sync with fips140_algorithms[].
+ *
+ * When possible, we have followed the FIPS 140-2 Implementation Guidance (IG)
+ * document when creating this list of tests.  The result is intended to be a
+ * list of tests that is near-minimal (and thus minimizes runtime overhead)
+ * while complying with all requirements.  For additional details, see the
+ * comment at the beginning of this file.
+ */
+static const struct fips_test fips140_selftests[] __initconst = {
+	/*
+	 * Test for the AES library API.
+	 *
+	 * Since the AES library API may use its own AES implementation and the
+	 * module provides no support for composing it with a mode of operation
+	 * (it's just plain AES), we must test it directly.
+	 *
+	 * In contrast, we don't need to directly test the "aes" ciphers that
+	 * are accessible through the crypto_cipher API (e.g. "aes-ce"), as they
+	 * are covered indirectly by AES-CMAC and AES-ECB tests.
+	 */
+	{
+		.alg		= "aes",
+		.impls		= {"aes-lib"},
+		.func		= fips_test_aes_library,
+		.skcipher	= {
+			.key		= fips_aes_key,
+			.key_size	= sizeof(fips_aes_key),
+			.plaintext	= fips_message,
+			.ciphertext	= fips_aes_ecb_ciphertext,
+			.message_size	= 16,
+		}
+	},
+	/*
+	 * Tests for AES-CMAC, a.k.a. "cmac(aes)" in crypto API syntax.
+	 *
+	 * The IG requires that each underlying AES implementation be tested in
+	 * an authenticated mode, if implemented.  Of such modes, this module
+	 * implements AES-GCM and AES-CMAC.  However, AES-GCM doesn't "count"
+	 * because this module's implementations of AES-GCM won't actually be
+	 * FIPS-approved, due to a quirk in the FIPS requirements.
+	 *
+	 * Therefore, for us this requirement applies to AES-CMAC, so we must
+	 * test the "cmac" template composed with each "aes" implementation.
+	 *
+	 * Separately from the above, we also must test all standalone
+	 * implementations of "cmac(aes)" such as "cmac-aes-ce", as they don't
+	 * reuse another full AES implementation and thus can't be covered by
+	 * another test.
+	 */
+	{
+		.alg		= "cmac(aes)",
+		.impls		= {
+			/* "cmac" template with all "aes" implementations */
+			"cmac(aes-generic)",
+			"cmac(aes-arm64)",
+			"cmac(aes-ce)",
+			/* All standalone implementations of "cmac(aes)" */
+			"cmac-aes-neon",
+			"cmac-aes-ce",
+		},
+		.func		= fips_test_hash,
+		.hash		= {
+			.key		= fips_aes_key,
+			.key_size	= sizeof(fips_aes_key),
+			.message	= fips_message,
+			.message_size	= sizeof(fips_message),
+			.digest		= fips_aes_cmac_digest,
+			.digest_size	= sizeof(fips_aes_cmac_digest),
+		}
+	},
+	/*
+	 * Tests for AES-ECB, a.k.a. "ecb(aes)" in crypto API syntax.
+	 *
+	 * The IG requires that each underlying AES implementation be tested in
+	 * a mode that exercises the encryption direction of AES and in a mode
+	 * that exercises the decryption direction of AES.  CMAC only covers the
+	 * encryption direction, so we choose ECB to test decryption.  Thus, we
+	 * test the "ecb" template composed with each "aes" implementation.
+	 *
+	 * Separately from the above, we also must test all standalone
+	 * implementations of "ecb(aes)" such as "ecb-aes-ce", as they don't
+	 * reuse another full AES implementation and thus can't be covered by
+	 * another test.
+	 */
+	{
+		.alg		= "ecb(aes)",
+		.impls		= {
+			/* "ecb" template with all "aes" implementations */
+			"ecb(aes-generic)",
+			"ecb(aes-arm64)",
+			"ecb(aes-ce)",
+			/* All standalone implementations of "ecb(aes)" */
+			"ecb-aes-neon",
+			"ecb-aes-neonbs",
+			"ecb-aes-ce",
+		},
+		.func		= fips_test_skcipher,
+		.skcipher	= {
+			.key		= fips_aes_key,
+			.key_size	= sizeof(fips_aes_key),
+			.plaintext	= fips_message,
+			.ciphertext	= fips_aes_ecb_ciphertext,
+			.message_size	= sizeof(fips_message)
+		}
+	},
+	/*
+	 * Tests for AES-CBC, AES-CBC-CTS, AES-CTR, AES-XTS, and AES-GCM.
+	 *
+	 * According to the IG, an AES mode of operation doesn't need to have
+	 * its own test, provided that (a) both the encryption and decryption
+	 * directions of the underlying AES implementation are already tested
+	 * via other mode(s), and (b) in the case of an authenticated mode, at
+	 * least one other authenticated mode is already tested.  The tests of
+	 * the "cmac" and "ecb" templates fulfill these conditions; therefore,
+	 * we don't need to test any other AES mode templates.
+	 *
+	 * This does *not* apply to standalone implementations of these modes
+	 * such as "cbc-aes-ce", as such implementations don't reuse another
+	 * full AES implementation and thus can't be covered by another test.
+	 * We must test all such standalone implementations.
+	 *
+	 * The AES-GCM test isn't actually required, as it's expected that this
+	 * module's AES-GCM implementation won't actually be able to be
+	 * FIPS-approved.  This is unfortunate; it's caused by the FIPS
+	 * requirements for GCM being incompatible with GCM implementations that
+	 * don't generate their own IVs.  We choose to still include the AES-GCM
+	 * test to keep it on par with the other FIPS-approved algorithms, in
+	 * case it turns out that AES-GCM can be approved after all.
+	 */
+	{
+		.alg		= "cbc(aes)",
+		.impls		= {
+			/* All standalone implementations of "cbc(aes)" */
+			"cbc-aes-neon",
+			"cbc-aes-neonbs",
+			"cbc-aes-ce",
+		},
+		.func		= fips_test_skcipher,
+		.skcipher	= {
+			.key		= fips_aes_key,
+			.key_size	= sizeof(fips_aes_key),
+			.iv		= fips_aes_iv,
+			.iv_size	= sizeof(fips_aes_iv),
+			.plaintext	= fips_message,
+			.ciphertext	= fips_aes_cbc_ciphertext,
+			.message_size	= sizeof(fips_message),
+		}
+	}, {
+		.alg		= "cts(cbc(aes))",
+		.impls		= {
+			/* All standalone implementations of "cts(cbc(aes))" */
+			"cts-cbc-aes-neon",
+			"cts-cbc-aes-ce",
+		},
+		.func		= fips_test_skcipher,
+		/* Test vector taken from RFC 3962 */
+		.skcipher	= {
+			.key    = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
+				  "\x74\x65\x72\x69\x79\x61\x6b\x69",
+			.key_size = 16,
+			.iv	= "\x00\x00\x00\x00\x00\x00\x00\x00"
+				  "\x00\x00\x00\x00\x00\x00\x00\x00",
+			.iv_size = 16,
+			.plaintext = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
+				     "\x6c\x69\x6b\x65\x20\x74\x68\x65"
+				     "\x20\x47\x65\x6e\x65\x72\x61\x6c"
+				     "\x20\x47\x61\x75\x27\x73\x20",
+			.ciphertext = "\xfc\x00\x78\x3e\x0e\xfd\xb2\xc1"
+				      "\xd4\x45\xd4\xc8\xef\xf7\xed\x22"
+				      "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
+				      "\xc0\x7b\x25\xe2\x5e\xcf\xe5",
+			.message_size = 31,
+		}
+	}, {
+		.alg		= "ctr(aes)",
+		.impls		= {
+			/* All standalone implementations of "ctr(aes)" */
+			"ctr-aes-neon",
+			"ctr-aes-neonbs",
+			"ctr-aes-ce",
+		},
+		.func		= fips_test_skcipher,
+		.skcipher	= {
+			.key		= fips_aes_key,
+			.key_size	= sizeof(fips_aes_key),
+			.iv		= fips_aes_iv,
+			.iv_size	= sizeof(fips_aes_iv),
+			.plaintext	= fips_message,
+			.ciphertext	= fips_aes_ctr_ciphertext,
+			.message_size	= sizeof(fips_message),
+		}
+	}, {
+		.alg		= "xts(aes)",
+		.impls		= {
+			/* All standalone implementations of "xts(aes)" */
+			"xts-aes-neon",
+			"xts-aes-neonbs",
+			"xts-aes-ce",
+		},
+		.func		= fips_test_skcipher,
+		.skcipher	= {
+			.key		= fips_aes_xts_key,
+			.key_size	= sizeof(fips_aes_xts_key),
+			.iv		= fips_aes_iv,
+			.iv_size	= sizeof(fips_aes_iv),
+			.plaintext	= fips_message,
+			.ciphertext	= fips_aes_xts_ciphertext,
+			.message_size	= sizeof(fips_message),
+		}
+	}, {
+		.alg		= "gcm(aes)",
+		.impls		= {
+			/* All standalone implementations of "gcm(aes)" */
+			"gcm-aes-ce",
+		},
+		.func		= fips_test_aead,
+		.aead		= {
+			.key		= fips_aes_key,
+			.key_size	= sizeof(fips_aes_key),
+			.iv		= fips_aes_iv,
+			/* The GCM implementations assume an IV size of 12. */
+			.iv_size	= 12,
+			.assoc		= fips_aes_gcm_assoc,
+			.assoc_size	= sizeof(fips_aes_gcm_assoc),
+			.plaintext	= fips_message,
+			.plaintext_size	= sizeof(fips_message),
+			.ciphertext	= fips_aes_gcm_ciphertext,
+			.ciphertext_size = sizeof(fips_aes_gcm_ciphertext),
+		}
+	},
+
+	/* Tests for SHA-1 */
+	{
+		.alg		= "sha1",
+		.impls		= {
+			/* All implementations of "sha1" */
+			"sha1-generic",
+			"sha1-ce"
+		},
+		.func		= fips_test_hash,
+		.hash		= {
+			.message	= fips_message,
+			.message_size	= sizeof(fips_message),
+			.digest		= fips_sha1_digest,
+			.digest_size	= sizeof(fips_sha1_digest)
+		}
+	},
+	/*
+	 * Tests for all SHA-256 implementations other than the sha256() library
+	 * function.  As per the IG, these tests also fulfill the tests for the
+	 * corresponding SHA-224 implementations.
+	 */
+	{
+		.alg		= "sha256",
+		.impls		= {
+			/* All implementations of "sha256" */
+			"sha256-generic",
+			"sha256-arm64",
+			"sha256-ce",
+		},
+		.func		= fips_test_hash,
+		.hash		= {
+			.message	= fips_message,
+			.message_size	= sizeof(fips_message),
+			.digest		= fips_sha256_digest,
+			.digest_size	= sizeof(fips_sha256_digest)
+		}
+	},
+	/*
+	 * Test for the sha256() library function.  This must be tested
+	 * separately because it may use its own SHA-256 implementation.
+	 */
+	{
+		.alg		= "sha256",
+		.impls		= {"sha256-lib"},
+		.func		= fips_test_sha256_library,
+		.hash		= {
+			.message	= fips_message,
+			.message_size	= sizeof(fips_message),
+			.digest		= fips_sha256_digest,
+			.digest_size	= sizeof(fips_sha256_digest)
+		}
+	},
+	/*
+	 * Tests for all SHA-512 implementations.  As per the IG, these tests
+	 * also fulfill the tests for the corresponding SHA-384 implementations.
+	 */
+	{
+		.alg		= "sha512",
+		.impls		= {
+			/* All implementations of "sha512" */
+			"sha512-generic",
+			"sha512-arm64",
+			"sha512-ce",
+		},
+		.func		= fips_test_hash,
+		.hash		= {
+			.message	= fips_message,
+			.message_size	= sizeof(fips_message),
+			.digest		= fips_sha512_digest,
+			.digest_size	= sizeof(fips_sha512_digest)
+		}
+	},
+	/*
+	 * Test for HMAC.  As per the IG, only one HMAC test is required,
+	 * provided that the same HMAC code is shared by all HMAC-SHA*.  This is
+	 * true in our case.  We choose HMAC-SHA256 for the test.
+	 *
+	 * Note that as per the IG, this can fulfill the test for the underlying
+	 * SHA.  However, we don't currently rely on this.
+	 */
+	{
+		.alg		= "hmac(sha256)",
+		.func		= fips_test_hash,
+		.hash		= {
+			.key		= fips_hmac_key,
+			.key_size	= sizeof(fips_hmac_key),
+			.message	= fips_message,
+			.message_size	= sizeof(fips_message),
+			.digest		= fips_hmac_sha256_digest,
+			.digest_size	= sizeof(fips_hmac_sha256_digest)
+		}
+	},
+	/*
+	 * Known-answer tests for the SP800-90A DRBG algorithms.
+	 *
+	 * These test vectors were manually extracted from
+	 * https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/drbg/drbgtestvectors.zip.
+	 *
+	 * The selection of these tests follows the FIPS 140-2 IG as well as
+	 * Section 11 of SP800-90A:
+	 *
+	 * - We must test all DRBG types (HMAC, Hash, and CTR) that the module
+	 *   implements.  However, currently the module only implements
+	 *   HMAC_DRBG (since CONFIG_CRYPTO_DRBG_CTR and CONFIG_CRYPTO_DRBG_HASH
+	 *   aren't enabled).  Therefore, we only need to test HMAC_DRBG.
+	 *
+	 * - We only need to test one HMAC variant.
+	 *
+	 * - We must test all DRBG operations: Instantiate(), Reseed(), and
+	 *   Generate().  However, a single test sequence with a single output
+	 *   comparison may cover all three operations, and this is what we do.
+	 *   Note that Reseed() happens implicitly via the use of the additional
+	 *   input and also via the use of prediction resistance when enabled.
+	 *
+	 * - The personalization string, additional input, and prediction
+	 *   resistance support must be tested.  Therefore we have chosen test
+	 *   vectors that have a nonempty personalization string and nonempty
+	 *   additional input, and we test the prediction-resistant variant.
+	 *   Testing the non-prediction-resistant variant is not required.
+	 */
+	{
+		.alg	= "drbg_pr_hmac_sha256",
+		.func	= fips_test_drbg,
+		.drbg	= {
+			.entropy =
+				"\xc7\xcc\xbc\x67\x7e\x21\x66\x1e\x27\x2b\x63\xdd"
+				"\x3a\x78\xdc\xdf\x66\x6d\x3f\x24\xae\xcf\x37\x01"
+				"\xa9\x0d\x89\x8a\xa7\xdc\x81\x58\xae\xb2\x10\x15"
+				"\x7e\x18\x44\x6d\x13\xea\xdf\x37\x85\xfe\x81\xfb",
+			.entropy_size = 48,
+			.entpr_a =
+				"\x7b\xa1\x91\x5b\x3c\x04\xc4\x1b\x1d\x19\x2f\x1a"
+				"\x18\x81\x60\x3c\x6c\x62\x91\xb7\xe9\xf5\xcb\x96"
+				"\xbb\x81\x6a\xcc\xb5\xae\x55\xb6",
+			.entpr_b =
+				"\x99\x2c\xc7\x78\x7e\x3b\x88\x12\xef\xbe\xd3\xd2"
+				"\x7d\x2a\xa5\x86\xda\x8d\x58\x73\x4a\x0a\xb2\x2e"
+				"\xbb\x4c\x7e\xe3\x9a\xb6\x81\xc1",
+			.entpr_size = 32,
+			.output =
+				"\x95\x6f\x95\xfc\x3b\xb7\xfe\x3e\xd0\x4e\x1a\x14"
+				"\x6c\x34\x7f\x7b\x1d\x0d\x63\x5e\x48\x9c\x69\xe6"
+				"\x46\x07\xd2\x87\xf3\x86\x52\x3d\x98\x27\x5e\xd7"
+				"\x54\xe7\x75\x50\x4f\xfb\x4d\xfd\xac\x2f\x4b\x77"
+				"\xcf\x9e\x8e\xcc\x16\xa2\x24\xcd\x53\xde\x3e\xc5"
+				"\x55\x5d\xd5\x26\x3f\x89\xdf\xca\x8b\x4e\x1e\xb6"
+				"\x88\x78\x63\x5c\xa2\x63\x98\x4e\x6f\x25\x59\xb1"
+				"\x5f\x2b\x23\xb0\x4b\xa5\x18\x5d\xc2\x15\x74\x40"
+				"\x59\x4c\xb4\x1e\xcf\x9a\x36\xfd\x43\xe2\x03\xb8"
+				"\x59\x91\x30\x89\x2a\xc8\x5a\x43\x23\x7c\x73\x72"
+				"\xda\x3f\xad\x2b\xba\x00\x6b\xd1",
+			.out_size = 128,
+			.add_a =
+				"\x18\xe8\x17\xff\xef\x39\xc7\x41\x5c\x73\x03\x03"
+				"\xf6\x3d\xe8\x5f\xc8\xab\xe4\xab\x0f\xad\xe8\xd6"
+				"\x86\x88\x55\x28\xc1\x69\xdd\x76",
+			.add_b =
+				"\xac\x07\xfc\xbe\x87\x0e\xd3\xea\x1f\x7e\xb8\xe7"
+				"\x9d\xec\xe8\xe7\xbc\xf3\x18\x25\x77\x35\x4a\xaa"
+				"\x00\x99\x2a\xdd\x0a\x00\x50\x82",
+			.add_size = 32,
+			.pers =
+				"\xbc\x55\xab\x3c\xf6\x52\xb0\x11\x3d\x7b\x90\xb8"
+				"\x24\xc9\x26\x4e\x5a\x1e\x77\x0d\x3d\x58\x4a\xda"
+				"\xd1\x81\xe9\xf8\xeb\x30\x8f\x6f",
+			.pers_size = 32,
+		}
+	}
+};
+
+static int __init __must_check
+fips_run_test(const struct fips_test *test)
+{
+	int i;
+	int err;
+
+	/*
+	 * If no implementations were specified, then just test the default one.
+	 * Otherwise, test the specified list of implementations.
+	 */
+
+	if (test->impls[0] == NULL) {
+		err = test->func(test, test->alg);
+		if (err)
+			pr_emerg("self-tests failed for algorithm %s: %d\n",
+				 test->alg, err);
+		return err;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(test->impls) && test->impls[i] != NULL;
+	     i++) {
+		err = test->func(test, test->impls[i]);
+		if (err) {
+			pr_emerg("self-tests failed for algorithm %s, implementation %s: %d\n",
+				 test->alg, test->impls[i], err);
+			return err;
+		}
+	}
+	return 0;
+}
+
+bool __init fips140_run_selftests(void)
+{
+	int i;
+
+	pr_info("running self-tests\n");
+	for (i = 0; i < ARRAY_SIZE(fips140_selftests); i++) {
+		if (fips_run_test(&fips140_selftests[i]) != 0) {
+			/* The caller is responsible for calling panic(). */
+			return false;
+		}
+	}
+	pr_info("all self-tests passed\n");
+	return true;
+}
diff --git a/crypto/fips140_gen_hmac.c b/crypto/fips140_gen_hmac.c
new file mode 100644
index 0000000..69f754d
--- /dev/null
+++ b/crypto/fips140_gen_hmac.c
@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 - Google LLC
+ * Author: Ard Biesheuvel <ardb@google.com>
+ *
+ * This is a host tool that is intended to be used to take the HMAC digest of
+ * the .text and .rodata sections of the fips140.ko module, and store it inside
+ * the module. The module will perform an integrity selfcheck at module_init()
+ * time, by recalculating the digest and comparing it with the value calculated
+ * here.
+ *
+ * Note that the peculiar way an HMAC is being used as a digest with a public
+ * key rather than as a symmetric key signature is mandated by FIPS 140-2.
+ */
+
+#include <elf.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <openssl/hmac.h>
+
+static Elf64_Ehdr *ehdr;
+static Elf64_Shdr *shdr;
+static int num_shdr;
+static const char *strtab, *shstrtab;
+static Elf64_Sym *syms;
+static int num_syms;
+
+static Elf64_Shdr *find_symtab_section(void)
+{
+	int i;
+
+	for (i = 0; i < num_shdr; i++)
+		if (shdr[i].sh_type == SHT_SYMTAB)
+			return &shdr[i];
+	return NULL;
+}
+
+static int get_section_idx(const char *name)
+{
+	int i;
+
+	for (i = 0; i < num_shdr; i++)
+		if (!strcmp(shstrtab + shdr[i].sh_name, name))
+			return i;
+	return -1;
+}
+
+static int get_sym_idx(const char *sym_name)
+{
+	int i;
+
+	for (i = 0; i < num_syms; i++)
+		if (!strcmp(strtab + syms[i].st_name, sym_name))
+			return i;
+	return -1;
+}
+
+static void *get_sym_addr(const char *sym_name)
+{
+	int i = get_sym_idx(sym_name);
+
+	if (i >= 0)
+		return (void *)ehdr + shdr[syms[i].st_shndx].sh_offset +
+		       syms[i].st_value;
+	return NULL;
+}
+
+static int update_rela_ref(const char *name)
+{
+	/*
+	 * We need to do a couple of things to ensure that the copied RELA data
+	 * is accessible to the module itself at module init time:
+	 * - the associated entry in the symbol table needs to refer to the
+	 *   correct section index, and have SECTION type and GLOBAL linkage.
+	 * - the 'count' global variable in the module need to be set to the
+	 *   right value based on the size of the RELA section.
+	 */
+	unsigned int *size_var;
+	int sec_idx, sym_idx;
+	char str[32];
+
+	sprintf(str, "fips140_rela_%s", name);
+	size_var = get_sym_addr(str);
+	if (!size_var) {
+		printf("variable '%s' not found, disregarding .%s section\n",
+		       str, name);
+		return 1;
+	}
+
+	sprintf(str, "__sec_rela_%s", name);
+	sym_idx = get_sym_idx(str);
+
+	sprintf(str, ".init.rela.%s", name);
+	sec_idx = get_section_idx(str);
+
+	if (sec_idx < 0 || sym_idx < 0) {
+		fprintf(stderr, "failed to locate metadata for .%s section in binary\n",
+			name);
+		return 0;
+	}
+
+	syms[sym_idx].st_shndx = sec_idx;
+	syms[sym_idx].st_info = (STB_GLOBAL << 4) | STT_SECTION;
+
+	size_var[1] = shdr[sec_idx].sh_size / sizeof(Elf64_Rela);
+
+	return 1;
+}
+
+static void hmac_section(HMAC_CTX *hmac, const char *start, const char *end)
+{
+	void *start_addr = get_sym_addr(start);
+	void *end_addr = get_sym_addr(end);
+
+	HMAC_Update(hmac, start_addr, end_addr - start_addr);
+}
+
+int main(int argc, char **argv)
+{
+	Elf64_Shdr *symtab_shdr;
+	const char *hmac_key;
+	unsigned char *dg;
+	unsigned int dglen;
+	struct stat stat;
+	HMAC_CTX *hmac;
+	int fd, ret;
+
+	if (argc < 2) {
+		fprintf(stderr, "file argument missing\n");
+		exit(EXIT_FAILURE);
+	}
+
+	fd = open(argv[1], O_RDWR);
+	if (fd < 0) {
+		fprintf(stderr, "failed to open %s\n", argv[1]);
+		exit(EXIT_FAILURE);
+	}
+
+	ret = fstat(fd, &stat);
+	if (ret < 0) {
+		fprintf(stderr, "failed to stat() %s\n", argv[1]);
+		exit(EXIT_FAILURE);
+	}
+
+	ehdr = mmap(0, stat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+	if (ehdr == MAP_FAILED) {
+		fprintf(stderr, "failed to mmap() %s\n", argv[1]);
+		exit(EXIT_FAILURE);
+	}
+
+	shdr = (void *)ehdr + ehdr->e_shoff;
+	num_shdr = ehdr->e_shnum;
+
+	symtab_shdr = find_symtab_section();
+
+	syms = (void *)ehdr + symtab_shdr->sh_offset;
+	num_syms = symtab_shdr->sh_size / sizeof(Elf64_Sym);
+
+	strtab = (void *)ehdr + shdr[symtab_shdr->sh_link].sh_offset;
+	shstrtab = (void *)ehdr + shdr[ehdr->e_shstrndx].sh_offset;
+
+	if (!update_rela_ref("text") || !update_rela_ref("rodata"))
+		exit(EXIT_FAILURE);
+
+	hmac_key = get_sym_addr("fips140_integ_hmac_key");
+	if (!hmac_key) {
+		fprintf(stderr, "failed to locate HMAC key in binary\n");
+		exit(EXIT_FAILURE);
+	}
+
+	dg = get_sym_addr("fips140_integ_hmac_digest");
+	if (!dg) {
+		fprintf(stderr, "failed to locate HMAC digest in binary\n");
+		exit(EXIT_FAILURE);
+	}
+
+	hmac = HMAC_CTX_new();
+	HMAC_Init_ex(hmac, hmac_key, strlen(hmac_key), EVP_sha256(), NULL);
+
+	hmac_section(hmac, "__fips140_text_start", "__fips140_text_end");
+	hmac_section(hmac, "__fips140_rodata_start", "__fips140_rodata_end");
+
+	HMAC_Final(hmac, dg, &dglen);
+
+	close(fd);
+	return 0;
+}
diff --git a/crypto/internal.h b/crypto/internal.h
index 976ec9d..423d527 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -10,6 +10,7 @@
 
 #include <crypto/algapi.h>
 #include <linux/completion.h>
+#include <linux/jump_label.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/notifier.h>
@@ -27,12 +28,33 @@
 	struct crypto_alg *adult;
 	struct completion completion;
 	u32 mask;
+	bool test_started;
 };
 
 extern struct list_head crypto_alg_list;
 extern struct rw_semaphore crypto_alg_sem;
 extern struct blocking_notifier_head crypto_chain;
 
+#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
+static inline bool crypto_boot_test_finished(void)
+{
+	return true;
+}
+static inline void set_crypto_boot_test_finished(void)
+{
+}
+#else
+DECLARE_STATIC_KEY_FALSE(__crypto_boot_test_finished);
+static inline bool crypto_boot_test_finished(void)
+{
+	return static_branch_likely(&__crypto_boot_test_finished);
+}
+static inline void set_crypto_boot_test_finished(void)
+{
+	static_branch_enable(&__crypto_boot_test_finished);
+}
+#endif /* !CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
+
 #ifdef CONFIG_PROC_FS
 void __init crypto_init_proc(void);
 void __exit crypto_exit_proc(void);
@@ -58,6 +80,7 @@
 
 struct crypto_larval *crypto_larval_alloc(const char *name, u32 type, u32 mask);
 void crypto_larval_kill(struct crypto_alg *alg);
+void crypto_wait_for_test(struct crypto_larval *larval);
 void crypto_alg_tested(const char *name, int err);
 
 void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
@@ -144,5 +167,10 @@
 		cond_resched();
 }
 
+static inline int crypto_is_test_larval(struct crypto_larval *larval)
+{
+	return larval->alg.cra_driver_name[0];
+}
+
 #endif	/* _CRYPTO_INTERNAL_H */
 
diff --git a/crypto/jitterentropy.c b/crypto/jitterentropy.c
index 37c4c30..423c55d 100644
--- a/crypto/jitterentropy.c
+++ b/crypto/jitterentropy.c
@@ -117,6 +117,22 @@
 #define JENT_EHEALTH		9 /* Health test failed during initialization */
 #define JENT_ERCT		10 /* RCT failed during initialization */
 
+/*
+ * The output n bits can receive more than n bits of min entropy, of course,
+ * but the fixed output of the conditioning function can only asymptotically
+ * approach the output size bits of min entropy, not attain that bound. Random
+ * maps will tend to have output collisions, which reduces the creditable
+ * output entropy (that is what SP 800-90B Section 3.1.5.1.2 attempts to bound).
+ *
+ * The value "64" is justified in Appendix A.4 of the current 90C draft,
+ * and aligns with NIST's in "epsilon" definition in this document, which is
+ * that a string can be considered "full entropy" if you can bound the min
+ * entropy in each bit of output to at least 1-epsilon, where epsilon is
+ * required to be <= 2^(-32).
+ */
+#define JENT_ENTROPY_SAFETY_FACTOR	64
+
+#include <linux/fips.h>
 #include "jitterentropy.h"
 
 /***************************************************************************
@@ -546,7 +562,10 @@
  */
 static void jent_gen_entropy(struct rand_data *ec)
 {
-	unsigned int k = 0;
+	unsigned int k = 0, safety_factor = 0;
+
+	if (fips_enabled)
+		safety_factor = JENT_ENTROPY_SAFETY_FACTOR;
 
 	/* priming of the ->prev_time value */
 	jent_measure_jitter(ec);
@@ -560,7 +579,7 @@
 		 * We multiply the loop value with ->osr to obtain the
 		 * oversampling rate requested by the caller
 		 */
-		if (++k >= (DATA_SIZE_BITS * ec->osr))
+		if (++k >= ((DATA_SIZE_BITS + safety_factor) * ec->osr))
 			break;
 	}
 }
diff --git a/crypto/keywrap.c b/crypto/keywrap.c
index 0355cce..3517773 100644
--- a/crypto/keywrap.c
+++ b/crypto/keywrap.c
@@ -85,6 +85,7 @@
 #include <linux/crypto.h>
 #include <linux/scatterlist.h>
 #include <crypto/scatterwalk.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 
 struct crypto_kw_block {
@@ -316,3 +317,4 @@
 MODULE_AUTHOR("Stephan Mueller <smueller@chronox.de>");
 MODULE_DESCRIPTION("Key Wrapping (RFC3394 / NIST SP800-38F)");
 MODULE_ALIAS_CRYPTO("kw");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/ofb.c b/crypto/ofb.c
index 2ec68e3..b630fde 100644
--- a/crypto/ofb.c
+++ b/crypto/ofb.c
@@ -8,6 +8,7 @@
  */
 
 #include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -102,3 +103,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("OFB block cipher mode of operation");
 MODULE_ALIAS_CRYPTO("ofb");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/pcbc.c b/crypto/pcbc.c
index ae921fb..7030f59 100644
--- a/crypto/pcbc.c
+++ b/crypto/pcbc.c
@@ -10,6 +10,7 @@
  */
 
 #include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -191,3 +192,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("PCBC block cipher mode of operation");
 MODULE_ALIAS_CRYPTO("pcbc");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index b4dae64..ff16d05 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -10,6 +10,7 @@
  */
 
 #include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/scatterwalk.h>
 #include <linux/bug.h>
@@ -986,3 +987,4 @@
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Symmetric key cipher type");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index a64a639..facc167 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -33,10 +33,13 @@
 #include <crypto/akcipher.h>
 #include <crypto/kpp.h>
 #include <crypto/acompress.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/simd.h>
 
 #include "internal.h"
 
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
+
 static bool notests;
 module_param(notests, bool, 0644);
 MODULE_PARM_DESC(notests, "disable crypto self-tests");
diff --git a/crypto/vmac.c b/crypto/vmac.c
index 9b565d1..4633b2d 100644
--- a/crypto/vmac.c
+++ b/crypto/vmac.c
@@ -36,6 +36,7 @@
 #include <linux/scatterlist.h>
 #include <asm/byteorder.h>
 #include <crypto/scatterwalk.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/hash.h>
 
 /*
@@ -693,3 +694,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("VMAC hash algorithm");
 MODULE_ALIAS_CRYPTO("vmac64");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/xcbc.c b/crypto/xcbc.c
index af3b7eb..6074c5c 100644
--- a/crypto/xcbc.c
+++ b/crypto/xcbc.c
@@ -6,6 +6,7 @@
  * 	Kazunori Miyazawa <miyazawa@linux-ipv6.org>
  */
 
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/hash.h>
 #include <linux/err.h>
 #include <linux/kernel.h>
@@ -272,3 +273,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("XCBC keyed hash algorithm");
 MODULE_ALIAS_CRYPTO("xcbc");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/xts.c b/crypto/xts.c
index 74dc199..3a5f1b2 100644
--- a/crypto/xts.c
+++ b/crypto/xts.c
@@ -7,6 +7,7 @@
  * Based on ecb.c
  * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
  */
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/scatterwalk.h>
 #include <linux/err.h>
@@ -464,3 +465,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("XTS block cipher mode");
 MODULE_ALIAS_CRYPTO("xts");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index cf872dc..aa40601 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -76,7 +76,7 @@
 		return false;
 
 	dn->name = link->package.elements[0].string.pointer;
-	dn->fwnode.ops = &acpi_data_fwnode_ops;
+	fwnode_init(&dn->fwnode, &acpi_data_fwnode_ops);
 	dn->parent = parent;
 	INIT_LIST_HEAD(&dn->data.properties);
 	INIT_LIST_HEAD(&dn->data.subnodes);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 67a5ee2f..1bf7a82 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1630,7 +1630,7 @@
 	device->device_type = type;
 	device->handle = handle;
 	device->parent = acpi_bus_get_parent(handle);
-	device->fwnode.ops = &acpi_device_fwnode_ops;
+	fwnode_init(&device->fwnode, &acpi_device_fwnode_ops);
 	acpi_set_device_status(device, sta);
 	acpi_device_get_busid(device);
 	acpi_set_pnp_ids(handle, &device->pnp, type);
diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig
index 53b22e2..a99ff85 100644
--- a/drivers/android/Kconfig
+++ b/drivers/android/Kconfig
@@ -54,6 +54,26 @@
 	  exhaustively with combinations of various buffer sizes and
 	  alignments.
 
+config ANDROID_DEBUG_SYMBOLS
+	bool "Android Debug Symbols"
+	help
+	  Enables export of debug symbols that are useful for offline debugging
+	  of a kernel. These symbols would be used in vendor modules to find
+	  addresses of the core kernel symbols for vendor extensions.
+
+	  This driver is statically compiled into kernel and maintains all the
+	  required symbol addresses for vendor modules and provides necessary
+	  interface vendor modules.
+
+config ANDROID_VENDOR_HOOKS
+	bool "Android Vendor Hooks"
+	depends on TRACEPOINTS
+	help
+	  Enable vendor hooks implemented as tracepoints
+
+	  Allow vendor modules to attach to tracepoint "hooks" defined via
+	  DECLARE_HOOK or DECLARE_RESTRICTED_HOOK.
+
 endif # if ANDROID
 
 endmenu
diff --git a/drivers/android/Makefile b/drivers/android/Makefile
index c9d3d0c9..925d18e 100644
--- a/drivers/android/Makefile
+++ b/drivers/android/Makefile
@@ -4,3 +4,5 @@
 obj-$(CONFIG_ANDROID_BINDERFS)		+= binderfs.o
 obj-$(CONFIG_ANDROID_BINDER_IPC)	+= binder.o binder_alloc.o
 obj-$(CONFIG_ANDROID_BINDER_IPC_SELFTEST) += binder_alloc_selftest.o
+obj-$(CONFIG_ANDROID_DEBUG_SYMBOLS)	+= debug_symbols.o
+obj-$(CONFIG_ANDROID_VENDOR_HOOKS) += vendor_hooks.o
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 7db748c..64d6016 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -66,15 +66,16 @@
 #include <linux/syscalls.h>
 #include <linux/task_work.h>
 #include <linux/sizes.h>
+#include <linux/android_vendor.h>
 
+#include <uapi/linux/sched/types.h>
 #include <uapi/linux/android/binder.h>
-#include <uapi/linux/android/binderfs.h>
 
 #include <asm/cacheflush.h>
 
-#include "binder_alloc.h"
 #include "binder_internal.h"
 #include "binder_trace.h"
+#include <trace/hooks/binder.h>
 
 static HLIST_HEAD(binder_deferred_list);
 static DEFINE_MUTEX(binder_deferred_lock);
@@ -160,24 +161,6 @@
 #define to_binder_fd_array_object(hdr) \
 	container_of(hdr, struct binder_fd_array_object, hdr)
 
-enum binder_stat_types {
-	BINDER_STAT_PROC,
-	BINDER_STAT_THREAD,
-	BINDER_STAT_NODE,
-	BINDER_STAT_REF,
-	BINDER_STAT_DEATH,
-	BINDER_STAT_TRANSACTION,
-	BINDER_STAT_TRANSACTION_COMPLETE,
-	BINDER_STAT_COUNT
-};
-
-struct binder_stats {
-	atomic_t br[_IOC_NR(BR_FAILED_REPLY) + 1];
-	atomic_t bc[_IOC_NR(BC_REPLY_SG) + 1];
-	atomic_t obj_created[BINDER_STAT_COUNT];
-	atomic_t obj_deleted[BINDER_STAT_COUNT];
-};
-
 static struct binder_stats binder_stats;
 
 static inline void binder_stats_deleted(enum binder_stat_types type)
@@ -190,8 +173,32 @@
 	atomic_inc(&binder_stats.obj_created[type]);
 }
 
-struct binder_transaction_log binder_transaction_log;
-struct binder_transaction_log binder_transaction_log_failed;
+struct binder_transaction_log_entry {
+	int debug_id;
+	int debug_id_done;
+	int call_type;
+	int from_proc;
+	int from_thread;
+	int target_handle;
+	int to_proc;
+	int to_thread;
+	int to_node;
+	int data_size;
+	int offsets_size;
+	int return_error_line;
+	uint32_t return_error;
+	uint32_t return_error_param;
+	char context_name[BINDERFS_MAX_NAME + 1];
+};
+
+struct binder_transaction_log {
+	atomic_t cur;
+	bool full;
+	struct binder_transaction_log_entry entry[32];
+};
+
+static struct binder_transaction_log binder_transaction_log;
+static struct binder_transaction_log binder_transaction_log_failed;
 
 static struct binder_transaction_log_entry *binder_transaction_log_add(
 	struct binder_transaction_log *log)
@@ -213,282 +220,11 @@
 	return e;
 }
 
-/**
- * struct binder_work - work enqueued on a worklist
- * @entry:             node enqueued on list
- * @type:              type of work to be performed
- *
- * There are separate work lists for proc, thread, and node (async).
- */
-struct binder_work {
-	struct list_head entry;
-
-	enum binder_work_type {
-		BINDER_WORK_TRANSACTION = 1,
-		BINDER_WORK_TRANSACTION_COMPLETE,
-		BINDER_WORK_RETURN_ERROR,
-		BINDER_WORK_NODE,
-		BINDER_WORK_DEAD_BINDER,
-		BINDER_WORK_DEAD_BINDER_AND_CLEAR,
-		BINDER_WORK_CLEAR_DEATH_NOTIFICATION,
-	} type;
-};
-
-struct binder_error {
-	struct binder_work work;
-	uint32_t cmd;
-};
-
-/**
- * struct binder_node - binder node bookkeeping
- * @debug_id:             unique ID for debugging
- *                        (invariant after initialized)
- * @lock:                 lock for node fields
- * @work:                 worklist element for node work
- *                        (protected by @proc->inner_lock)
- * @rb_node:              element for proc->nodes tree
- *                        (protected by @proc->inner_lock)
- * @dead_node:            element for binder_dead_nodes list
- *                        (protected by binder_dead_nodes_lock)
- * @proc:                 binder_proc that owns this node
- *                        (invariant after initialized)
- * @refs:                 list of references on this node
- *                        (protected by @lock)
- * @internal_strong_refs: used to take strong references when
- *                        initiating a transaction
- *                        (protected by @proc->inner_lock if @proc
- *                        and by @lock)
- * @local_weak_refs:      weak user refs from local process
- *                        (protected by @proc->inner_lock if @proc
- *                        and by @lock)
- * @local_strong_refs:    strong user refs from local process
- *                        (protected by @proc->inner_lock if @proc
- *                        and by @lock)
- * @tmp_refs:             temporary kernel refs
- *                        (protected by @proc->inner_lock while @proc
- *                        is valid, and by binder_dead_nodes_lock
- *                        if @proc is NULL. During inc/dec and node release
- *                        it is also protected by @lock to provide safety
- *                        as the node dies and @proc becomes NULL)
- * @ptr:                  userspace pointer for node
- *                        (invariant, no lock needed)
- * @cookie:               userspace cookie for node
- *                        (invariant, no lock needed)
- * @has_strong_ref:       userspace notified of strong ref
- *                        (protected by @proc->inner_lock if @proc
- *                        and by @lock)
- * @pending_strong_ref:   userspace has acked notification of strong ref
- *                        (protected by @proc->inner_lock if @proc
- *                        and by @lock)
- * @has_weak_ref:         userspace notified of weak ref
- *                        (protected by @proc->inner_lock if @proc
- *                        and by @lock)
- * @pending_weak_ref:     userspace has acked notification of weak ref
- *                        (protected by @proc->inner_lock if @proc
- *                        and by @lock)
- * @has_async_transaction: async transaction to node in progress
- *                        (protected by @lock)
- * @accept_fds:           file descriptor operations supported for node
- *                        (invariant after initialized)
- * @min_priority:         minimum scheduling priority
- *                        (invariant after initialized)
- * @txn_security_ctx:     require sender's security context
- *                        (invariant after initialized)
- * @async_todo:           list of async work items
- *                        (protected by @proc->inner_lock)
- *
- * Bookkeeping structure for binder nodes.
- */
-struct binder_node {
-	int debug_id;
-	spinlock_t lock;
-	struct binder_work work;
-	union {
-		struct rb_node rb_node;
-		struct hlist_node dead_node;
-	};
-	struct binder_proc *proc;
-	struct hlist_head refs;
-	int internal_strong_refs;
-	int local_weak_refs;
-	int local_strong_refs;
-	int tmp_refs;
-	binder_uintptr_t ptr;
-	binder_uintptr_t cookie;
-	struct {
-		/*
-		 * bitfield elements protected by
-		 * proc inner_lock
-		 */
-		u8 has_strong_ref:1;
-		u8 pending_strong_ref:1;
-		u8 has_weak_ref:1;
-		u8 pending_weak_ref:1;
-	};
-	struct {
-		/*
-		 * invariant after initialization
-		 */
-		u8 accept_fds:1;
-		u8 txn_security_ctx:1;
-		u8 min_priority;
-	};
-	bool has_async_transaction;
-	struct list_head async_todo;
-};
-
-struct binder_ref_death {
-	/**
-	 * @work: worklist element for death notifications
-	 *        (protected by inner_lock of the proc that
-	 *        this ref belongs to)
-	 */
-	struct binder_work work;
-	binder_uintptr_t cookie;
-};
-
-/**
- * struct binder_ref_data - binder_ref counts and id
- * @debug_id:        unique ID for the ref
- * @desc:            unique userspace handle for ref
- * @strong:          strong ref count (debugging only if not locked)
- * @weak:            weak ref count (debugging only if not locked)
- *
- * Structure to hold ref count and ref id information. Since
- * the actual ref can only be accessed with a lock, this structure
- * is used to return information about the ref to callers of
- * ref inc/dec functions.
- */
-struct binder_ref_data {
-	int debug_id;
-	uint32_t desc;
-	int strong;
-	int weak;
-};
-
-/**
- * struct binder_ref - struct to track references on nodes
- * @data:        binder_ref_data containing id, handle, and current refcounts
- * @rb_node_desc: node for lookup by @data.desc in proc's rb_tree
- * @rb_node_node: node for lookup by @node in proc's rb_tree
- * @node_entry:  list entry for node->refs list in target node
- *               (protected by @node->lock)
- * @proc:        binder_proc containing ref
- * @node:        binder_node of target node. When cleaning up a
- *               ref for deletion in binder_cleanup_ref, a non-NULL
- *               @node indicates the node must be freed
- * @death:       pointer to death notification (ref_death) if requested
- *               (protected by @node->lock)
- *
- * Structure to track references from procA to target node (on procB). This
- * structure is unsafe to access without holding @proc->outer_lock.
- */
-struct binder_ref {
-	/* Lookups needed: */
-	/*   node + proc => ref (transaction) */
-	/*   desc + proc => ref (transaction, inc/dec ref) */
-	/*   node => refs + procs (proc exit) */
-	struct binder_ref_data data;
-	struct rb_node rb_node_desc;
-	struct rb_node rb_node_node;
-	struct hlist_node node_entry;
-	struct binder_proc *proc;
-	struct binder_node *node;
-	struct binder_ref_death *death;
-};
-
 enum binder_deferred_state {
 	BINDER_DEFERRED_FLUSH        = 0x01,
 	BINDER_DEFERRED_RELEASE      = 0x02,
 };
 
-/**
- * struct binder_proc - binder process bookkeeping
- * @proc_node:            element for binder_procs list
- * @threads:              rbtree of binder_threads in this proc
- *                        (protected by @inner_lock)
- * @nodes:                rbtree of binder nodes associated with
- *                        this proc ordered by node->ptr
- *                        (protected by @inner_lock)
- * @refs_by_desc:         rbtree of refs ordered by ref->desc
- *                        (protected by @outer_lock)
- * @refs_by_node:         rbtree of refs ordered by ref->node
- *                        (protected by @outer_lock)
- * @waiting_threads:      threads currently waiting for proc work
- *                        (protected by @inner_lock)
- * @pid                   PID of group_leader of process
- *                        (invariant after initialized)
- * @tsk                   task_struct for group_leader of process
- *                        (invariant after initialized)
- * @cred                  struct cred associated with the `struct file`
- *                        in binder_open()
- *                        (invariant after initialized)
- * @deferred_work_node:   element for binder_deferred_list
- *                        (protected by binder_deferred_lock)
- * @deferred_work:        bitmap of deferred work to perform
- *                        (protected by binder_deferred_lock)
- * @is_dead:              process is dead and awaiting free
- *                        when outstanding transactions are cleaned up
- *                        (protected by @inner_lock)
- * @todo:                 list of work for this process
- *                        (protected by @inner_lock)
- * @stats:                per-process binder statistics
- *                        (atomics, no lock needed)
- * @delivered_death:      list of delivered death notification
- *                        (protected by @inner_lock)
- * @max_threads:          cap on number of binder threads
- *                        (protected by @inner_lock)
- * @requested_threads:    number of binder threads requested but not
- *                        yet started. In current implementation, can
- *                        only be 0 or 1.
- *                        (protected by @inner_lock)
- * @requested_threads_started: number binder threads started
- *                        (protected by @inner_lock)
- * @tmp_ref:              temporary reference to indicate proc is in use
- *                        (protected by @inner_lock)
- * @default_priority:     default scheduler priority
- *                        (invariant after initialized)
- * @debugfs_entry:        debugfs node
- * @alloc:                binder allocator bookkeeping
- * @context:              binder_context for this proc
- *                        (invariant after initialized)
- * @inner_lock:           can nest under outer_lock and/or node lock
- * @outer_lock:           no nesting under innor or node lock
- *                        Lock order: 1) outer, 2) node, 3) inner
- * @binderfs_entry:       process-specific binderfs log file
- *
- * Bookkeeping structure for binder processes
- */
-struct binder_proc {
-	struct hlist_node proc_node;
-	struct rb_root threads;
-	struct rb_root nodes;
-	struct rb_root refs_by_desc;
-	struct rb_root refs_by_node;
-	struct list_head waiting_threads;
-	int pid;
-	struct task_struct *tsk;
-	const struct cred *cred;
-	struct hlist_node deferred_work_node;
-	int deferred_work;
-	bool is_dead;
-
-	struct list_head todo;
-	struct binder_stats stats;
-	struct list_head delivered_death;
-	int max_threads;
-	int requested_threads;
-	int requested_threads_started;
-	int tmp_ref;
-	long default_priority;
-	struct dentry *debugfs_entry;
-	struct binder_alloc alloc;
-	struct binder_context *context;
-	spinlock_t inner_lock;
-	spinlock_t outer_lock;
-	struct dentry *binderfs_entry;
-};
-
 enum {
 	BINDER_LOOPER_STATE_REGISTERED  = 0x01,
 	BINDER_LOOPER_STATE_ENTERED     = 0x02,
@@ -499,125 +235,6 @@
 };
 
 /**
- * struct binder_thread - binder thread bookkeeping
- * @proc:                 binder process for this thread
- *                        (invariant after initialization)
- * @rb_node:              element for proc->threads rbtree
- *                        (protected by @proc->inner_lock)
- * @waiting_thread_node:  element for @proc->waiting_threads list
- *                        (protected by @proc->inner_lock)
- * @pid:                  PID for this thread
- *                        (invariant after initialization)
- * @looper:               bitmap of looping state
- *                        (only accessed by this thread)
- * @looper_needs_return:  looping thread needs to exit driver
- *                        (no lock needed)
- * @transaction_stack:    stack of in-progress transactions for this thread
- *                        (protected by @proc->inner_lock)
- * @todo:                 list of work to do for this thread
- *                        (protected by @proc->inner_lock)
- * @process_todo:         whether work in @todo should be processed
- *                        (protected by @proc->inner_lock)
- * @return_error:         transaction errors reported by this thread
- *                        (only accessed by this thread)
- * @reply_error:          transaction errors reported by target thread
- *                        (protected by @proc->inner_lock)
- * @wait:                 wait queue for thread work
- * @stats:                per-thread statistics
- *                        (atomics, no lock needed)
- * @tmp_ref:              temporary reference to indicate thread is in use
- *                        (atomic since @proc->inner_lock cannot
- *                        always be acquired)
- * @is_dead:              thread is dead and awaiting free
- *                        when outstanding transactions are cleaned up
- *                        (protected by @proc->inner_lock)
- *
- * Bookkeeping structure for binder threads.
- */
-struct binder_thread {
-	struct binder_proc *proc;
-	struct rb_node rb_node;
-	struct list_head waiting_thread_node;
-	int pid;
-	int looper;              /* only modified by this thread */
-	bool looper_need_return; /* can be written by other thread */
-	struct binder_transaction *transaction_stack;
-	struct list_head todo;
-	bool process_todo;
-	struct binder_error return_error;
-	struct binder_error reply_error;
-	wait_queue_head_t wait;
-	struct binder_stats stats;
-	atomic_t tmp_ref;
-	bool is_dead;
-};
-
-/**
- * struct binder_txn_fd_fixup - transaction fd fixup list element
- * @fixup_entry:          list entry
- * @file:                 struct file to be associated with new fd
- * @offset:               offset in buffer data to this fixup
- *
- * List element for fd fixups in a transaction. Since file
- * descriptors need to be allocated in the context of the
- * target process, we pass each fd to be processed in this
- * struct.
- */
-struct binder_txn_fd_fixup {
-	struct list_head fixup_entry;
-	struct file *file;
-	size_t offset;
-};
-
-struct binder_transaction {
-	int debug_id;
-	struct binder_work work;
-	struct binder_thread *from;
-	struct binder_transaction *from_parent;
-	struct binder_proc *to_proc;
-	struct binder_thread *to_thread;
-	struct binder_transaction *to_parent;
-	unsigned need_reply:1;
-	/* unsigned is_dead:1; */	/* not used at the moment */
-
-	struct binder_buffer *buffer;
-	unsigned int	code;
-	unsigned int	flags;
-	long	priority;
-	long	saved_priority;
-	kuid_t	sender_euid;
-	struct list_head fd_fixups;
-	binder_uintptr_t security_ctx;
-	/**
-	 * @lock:  protects @from, @to_proc, and @to_thread
-	 *
-	 * @from, @to_proc, and @to_thread can be set to NULL
-	 * during thread teardown
-	 */
-	spinlock_t lock;
-};
-
-/**
- * struct binder_object - union of flat binder object types
- * @hdr:   generic object header
- * @fbo:   binder object (nodes and refs)
- * @fdo:   file descriptor object
- * @bbo:   binder buffer pointer
- * @fdao:  file descriptor array
- *
- * Used for type-independent object copies
- */
-struct binder_object {
-	union {
-		struct binder_object_header hdr;
-		struct flat_binder_object fbo;
-		struct binder_fd_object fdo;
-		struct binder_buffer_object bbo;
-		struct binder_fd_array_object fdao;
-	};
-};
-
-/**
  * binder_proc_lock() - Acquire outer lock for given binder_proc
  * @proc:         struct binder_proc to acquire
  *
@@ -933,6 +550,7 @@
 		thread = rb_entry(n, struct binder_thread, rb_node);
 		if (thread->looper & BINDER_LOOPER_STATE_POLL &&
 		    binder_available_for_proc_work_ilocked(thread)) {
+			trace_android_vh_binder_wakeup_ilocked(thread->task, sync, proc);
 			if (sync)
 				wake_up_interruptible_sync(&thread->wait);
 			else
@@ -992,6 +610,7 @@
 	assert_spin_locked(&proc->inner_lock);
 
 	if (thread) {
+		trace_android_vh_binder_wakeup_ilocked(thread->task, sync, proc);
 		if (sync)
 			wake_up_interruptible_sync(&thread->wait);
 		else
@@ -1022,22 +641,195 @@
 	binder_wakeup_thread_ilocked(proc, thread, /* sync = */false);
 }
 
-static void binder_set_nice(long nice)
+static bool is_rt_policy(int policy)
 {
-	long min_nice;
+	return policy == SCHED_FIFO || policy == SCHED_RR;
+}
 
-	if (can_nice(current, nice)) {
-		set_user_nice(current, nice);
+static bool is_fair_policy(int policy)
+{
+	return policy == SCHED_NORMAL || policy == SCHED_BATCH;
+}
+
+static bool binder_supported_policy(int policy)
+{
+	return is_fair_policy(policy) || is_rt_policy(policy);
+}
+
+static int to_userspace_prio(int policy, int kernel_priority)
+{
+	if (is_fair_policy(policy))
+		return PRIO_TO_NICE(kernel_priority);
+	else
+		return MAX_USER_RT_PRIO - 1 - kernel_priority;
+}
+
+static int to_kernel_prio(int policy, int user_priority)
+{
+	if (is_fair_policy(policy))
+		return NICE_TO_PRIO(user_priority);
+	else
+		return MAX_USER_RT_PRIO - 1 - user_priority;
+}
+
+static void binder_do_set_priority(struct binder_thread *thread,
+				   const struct binder_priority *desired,
+				   bool verify)
+{
+	struct task_struct *task = thread->task;
+	int priority; /* user-space prio value */
+	bool has_cap_nice;
+	unsigned int policy = desired->sched_policy;
+
+	if (task->policy == policy && task->normal_prio == desired->prio) {
+		spin_lock(&thread->prio_lock);
+		if (thread->prio_state == BINDER_PRIO_PENDING)
+			thread->prio_state = BINDER_PRIO_SET;
+		spin_unlock(&thread->prio_lock);
 		return;
 	}
-	min_nice = rlimit_to_nice(rlimit(RLIMIT_NICE));
-	binder_debug(BINDER_DEBUG_PRIORITY_CAP,
-		     "%d: nice value %ld not allowed use %ld instead\n",
-		      current->pid, nice, min_nice);
-	set_user_nice(current, min_nice);
-	if (min_nice <= MAX_NICE)
+
+	has_cap_nice = has_capability_noaudit(task, CAP_SYS_NICE);
+
+	priority = to_userspace_prio(policy, desired->prio);
+
+	if (verify && is_rt_policy(policy) && !has_cap_nice) {
+		long max_rtprio = task_rlimit(task, RLIMIT_RTPRIO);
+
+		if (max_rtprio == 0) {
+			policy = SCHED_NORMAL;
+			priority = MIN_NICE;
+		} else if (priority > max_rtprio) {
+			priority = max_rtprio;
+		}
+	}
+
+	if (verify && is_fair_policy(policy) && !has_cap_nice) {
+		long min_nice = rlimit_to_nice(task_rlimit(task, RLIMIT_NICE));
+
+		if (min_nice > MAX_NICE) {
+			binder_user_error("%d RLIMIT_NICE not set\n",
+					  task->pid);
+			return;
+		} else if (priority < min_nice) {
+			priority = min_nice;
+		}
+	}
+
+	if (policy != desired->sched_policy ||
+	    to_kernel_prio(policy, priority) != desired->prio)
+		binder_debug(BINDER_DEBUG_PRIORITY_CAP,
+			     "%d: priority %d not allowed, using %d instead\n",
+			      task->pid, desired->prio,
+			      to_kernel_prio(policy, priority));
+
+	trace_binder_set_priority(task->tgid, task->pid, task->normal_prio,
+				  to_kernel_prio(policy, priority),
+				  desired->prio);
+
+	spin_lock(&thread->prio_lock);
+	if (!verify && thread->prio_state == BINDER_PRIO_ABORT) {
+		/*
+		 * A new priority has been set by an incoming nested
+		 * transaction. Abort this priority restore and allow
+		 * the transaction to run at the new desired priority.
+		 */
+		spin_unlock(&thread->prio_lock);
+		binder_debug(BINDER_DEBUG_PRIORITY_CAP,
+			"%d: %s: aborting priority restore\n",
+			thread->pid, __func__);
 		return;
-	binder_user_error("%d RLIMIT_NICE not set\n", current->pid);
+	}
+
+	/* Set the actual priority */
+	if (task->policy != policy || is_rt_policy(policy)) {
+		struct sched_param params;
+
+		params.sched_priority = is_rt_policy(policy) ? priority : 0;
+
+		sched_setscheduler_nocheck(task,
+					   policy | SCHED_RESET_ON_FORK,
+					   &params);
+	}
+	if (is_fair_policy(policy))
+		set_user_nice(task, priority);
+
+	thread->prio_state = BINDER_PRIO_SET;
+	spin_unlock(&thread->prio_lock);
+}
+
+static void binder_set_priority(struct binder_thread *thread,
+				const struct binder_priority *desired)
+{
+	binder_do_set_priority(thread, desired, /* verify = */ true);
+}
+
+static void binder_restore_priority(struct binder_thread *thread,
+				    const struct binder_priority *desired)
+{
+	binder_do_set_priority(thread, desired, /* verify = */ false);
+}
+
+static void binder_transaction_priority(struct binder_thread *thread,
+					struct binder_transaction *t,
+					struct binder_node *node)
+{
+	struct task_struct *task = thread->task;
+	struct binder_priority desired = t->priority;
+	const struct binder_priority node_prio = {
+		.sched_policy = node->sched_policy,
+		.prio = node->min_priority,
+	};
+	bool skip = false;
+
+	if (t->set_priority_called)
+		return;
+
+	t->set_priority_called = true;
+
+	trace_android_vh_binder_priority_skip(task, &skip);
+	if (skip)
+		return;
+
+	if (!node->inherit_rt && is_rt_policy(desired.sched_policy)) {
+		desired.prio = NICE_TO_PRIO(0);
+		desired.sched_policy = SCHED_NORMAL;
+	}
+
+	if (node_prio.prio < t->priority.prio ||
+	    (node_prio.prio == t->priority.prio &&
+	     node_prio.sched_policy == SCHED_FIFO)) {
+		/*
+		 * In case the minimum priority on the node is
+		 * higher (lower value), use that priority. If
+		 * the priority is the same, but the node uses
+		 * SCHED_FIFO, prefer SCHED_FIFO, since it can
+		 * run unbounded, unlike SCHED_RR.
+		 */
+		desired = node_prio;
+	}
+
+	spin_lock(&thread->prio_lock);
+	if (thread->prio_state == BINDER_PRIO_PENDING) {
+		/*
+		 * Task is in the process of changing priorities
+		 * saving its current values would be incorrect.
+		 * Instead, save the pending priority and signal
+		 * the task to abort the priority restore.
+		 */
+		t->saved_priority = thread->prio_next;
+		thread->prio_state = BINDER_PRIO_ABORT;
+		binder_debug(BINDER_DEBUG_PRIORITY_CAP,
+			"%d: saved pending priority %d\n",
+			current->pid, thread->prio_next.prio);
+	} else {
+		t->saved_priority.sched_policy = task->policy;
+		t->saved_priority.prio = task->normal_prio;
+	}
+	spin_unlock(&thread->prio_lock);
+
+	binder_set_priority(thread, &desired);
+	trace_android_vh_binder_set_priority(t, task);
 }
 
 static struct binder_node *binder_get_node_ilocked(struct binder_proc *proc,
@@ -1090,6 +882,7 @@
 	binder_uintptr_t ptr = fp ? fp->binder : 0;
 	binder_uintptr_t cookie = fp ? fp->cookie : 0;
 	__u32 flags = fp ? fp->flags : 0;
+	s8 priority;
 
 	assert_spin_locked(&proc->inner_lock);
 
@@ -1122,8 +915,12 @@
 	node->ptr = ptr;
 	node->cookie = cookie;
 	node->work.type = BINDER_WORK_NODE;
-	node->min_priority = flags & FLAT_BINDER_FLAG_PRIORITY_MASK;
+	priority = flags & FLAT_BINDER_FLAG_PRIORITY_MASK;
+	node->sched_policy = (flags & FLAT_BINDER_FLAG_SCHED_POLICY_MASK) >>
+		FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT;
+	node->min_priority = to_kernel_prio(node->sched_policy, priority);
 	node->accept_fds = !!(flags & FLAT_BINDER_FLAG_ACCEPTS_FDS);
+	node->inherit_rt = !!(flags & FLAT_BINDER_FLAG_INHERIT_RT);
 	node->txn_security_ctx = !!(flags & FLAT_BINDER_FLAG_TXN_SECURITY_CTX);
 	spin_lock_init(&node->lock);
 	INIT_LIST_HEAD(&node->work.entry);
@@ -1473,6 +1270,7 @@
 		     "%d new ref %d desc %d for node %d\n",
 		      proc->pid, new_ref->data.debug_id, new_ref->data.desc,
 		      node->debug_id);
+	trace_android_vh_binder_new_ref(proc->tsk, new_ref->data.desc, new_ref->node->debug_id);
 	binder_node_unlock(node);
 	return new_ref;
 }
@@ -1640,6 +1438,7 @@
  */
 static void binder_free_ref(struct binder_ref *ref)
 {
+	trace_android_vh_binder_del_ref(ref->proc ? ref->proc->tsk : 0, ref->data.desc);
 	if (ref->node)
 		binder_free_node(ref->node);
 	kfree(ref->death);
@@ -1914,6 +1713,12 @@
 
 	if (target_proc) {
 		binder_inner_proc_lock(target_proc);
+		target_proc->outstanding_txns--;
+		if (target_proc->outstanding_txns < 0)
+			pr_warn("%s: Unexpected outstanding_txns %d\n",
+				__func__, target_proc->outstanding_txns);
+		if (!target_proc->outstanding_txns && target_proc->is_frozen)
+			wake_up_interruptible_all(&target_proc->freeze_wait);
 		if (t->buffer)
 			t->buffer->transaction = NULL;
 		binder_inner_proc_unlock(target_proc);
@@ -3009,6 +2814,56 @@
 }
 
 /**
+ * binder_can_update_transaction() - Can a txn be superseded by an updated one?
+ * @t1: the pending async txn in the frozen process
+ * @t2: the new async txn to supersede the outdated pending one
+ *
+ * Return:  true if t2 can supersede t1
+ *          false if t2 can not supersede t1
+ */
+static bool binder_can_update_transaction(struct binder_transaction *t1,
+					  struct binder_transaction *t2)
+{
+	if ((t1->flags & t2->flags & (TF_ONE_WAY | TF_UPDATE_TXN)) !=
+	    (TF_ONE_WAY | TF_UPDATE_TXN) || !t1->to_proc || !t2->to_proc)
+		return false;
+	if (t1->to_proc->tsk == t2->to_proc->tsk && t1->code == t2->code &&
+	    t1->flags == t2->flags && t1->buffer->pid == t2->buffer->pid &&
+	    t1->buffer->target_node->ptr == t2->buffer->target_node->ptr &&
+	    t1->buffer->target_node->cookie == t2->buffer->target_node->cookie)
+		return true;
+	return false;
+}
+
+/**
+ * binder_find_outdated_transaction_ilocked() - Find the outdated transaction
+ * @t:		 new async transaction
+ * @target_list: list to find outdated transaction
+ *
+ * Return: the outdated transaction if found
+ *         NULL if no outdated transacton can be found
+ *
+ * Requires the proc->inner_lock to be held.
+ */
+static struct binder_transaction *
+binder_find_outdated_transaction_ilocked(struct binder_transaction *t,
+					 struct list_head *target_list)
+{
+	struct binder_work *w;
+
+	list_for_each_entry(w, target_list, entry) {
+		struct binder_transaction *t_queued;
+
+		if (w->type != BINDER_WORK_TRANSACTION)
+			continue;
+		t_queued = container_of(w, struct binder_transaction, work);
+		if (binder_can_update_transaction(t_queued, t))
+			return t_queued;
+	}
+	return NULL;
+}
+
+/**
  * binder_proc_transaction() - sends a transaction to a process and wakes it up
  * @t:		transaction to send
  * @proc:	process to send the transaction to
@@ -3022,19 +2877,22 @@
  * If the @thread parameter is not NULL, the transaction is always queued
  * to the waitlist of that specific thread.
  *
- * Return:	true if the transactions was successfully queued
- *		false if the target process or thread is dead
+ * Return:	0 if the transaction was successfully queued
+ *		BR_DEAD_REPLY if the target process or thread is dead
+ *		BR_FROZEN_REPLY if the target process or thread is frozen
  */
-static bool binder_proc_transaction(struct binder_transaction *t,
+static int binder_proc_transaction(struct binder_transaction *t,
 				    struct binder_proc *proc,
 				    struct binder_thread *thread)
 {
 	struct binder_node *node = t->buffer->target_node;
 	bool oneway = !!(t->flags & TF_ONE_WAY);
 	bool pending_async = false;
+	struct binder_transaction *t_outdated = NULL;
 
 	BUG_ON(!node);
 	binder_node_lock(node);
+
 	if (oneway) {
 		BUG_ON(thread);
 		if (node->has_async_transaction)
@@ -3044,30 +2902,68 @@
 	}
 
 	binder_inner_proc_lock(proc);
+	if (proc->is_frozen) {
+		proc->sync_recv |= !oneway;
+		proc->async_recv |= oneway;
+	}
 
-	if (proc->is_dead || (thread && thread->is_dead)) {
+	if ((proc->is_frozen && !oneway) || proc->is_dead ||
+			(thread && thread->is_dead)) {
 		binder_inner_proc_unlock(proc);
 		binder_node_unlock(node);
-		return false;
+		return proc->is_frozen ? BR_FROZEN_REPLY : BR_DEAD_REPLY;
 	}
 
 	if (!thread && !pending_async)
 		thread = binder_select_thread_ilocked(proc);
 
-	if (thread)
+	trace_android_vh_binder_proc_transaction(current, proc->tsk,
+		thread ? thread->task : 0, node->debug_id, t->code, pending_async);
+
+	if (thread) {
+		binder_transaction_priority(thread, t, node);
 		binder_enqueue_thread_work_ilocked(thread, &t->work);
-	else if (!pending_async)
+	} else if (!pending_async) {
 		binder_enqueue_work_ilocked(&t->work, &proc->todo);
-	else
+	} else {
+		if ((t->flags & TF_UPDATE_TXN) && proc->is_frozen) {
+			t_outdated = binder_find_outdated_transaction_ilocked(t,
+									      &node->async_todo);
+			if (t_outdated) {
+				binder_debug(BINDER_DEBUG_TRANSACTION,
+					     "txn %d supersedes %d\n",
+					     t->debug_id, t_outdated->debug_id);
+				list_del_init(&t_outdated->work.entry);
+				proc->outstanding_txns--;
+			}
+		}
 		binder_enqueue_work_ilocked(&t->work, &node->async_todo);
+	}
 
 	if (!pending_async)
 		binder_wakeup_thread_ilocked(proc, thread, !oneway /* sync */);
 
+	proc->outstanding_txns++;
 	binder_inner_proc_unlock(proc);
 	binder_node_unlock(node);
 
-	return true;
+	/*
+	 * To reduce potential contention, free the outdated transaction and
+	 * buffer after releasing the locks.
+	 */
+	if (t_outdated) {
+		struct binder_buffer *buffer = t_outdated->buffer;
+
+		t_outdated->buffer = NULL;
+		buffer->transaction = NULL;
+		trace_binder_transaction_update_buffer_release(buffer);
+		binder_release_entire_buffer(proc, NULL, buffer, false);
+		binder_alloc_free_buf(&proc->alloc, buffer);
+		kfree(t_outdated);
+		binder_stats_deleted(BINDER_STAT_TRANSACTION);
+	}
+
+	return 0;
 }
 
 /**
@@ -3140,6 +3036,7 @@
 	int t_debug_id = atomic_inc_return(&binder_last_id);
 	char *secctx = NULL;
 	u32 secctx_sz = 0;
+	bool is_nested = false;
 	struct list_head sgc_head;
 	struct list_head pf_head;
 	const void __user *user_buffer = (const void __user *)
@@ -3187,7 +3084,6 @@
 		}
 		thread->transaction_stack = in_reply_to->to_parent;
 		binder_inner_proc_unlock(proc);
-		binder_set_nice(in_reply_to->saved_priority);
 		target_thread = binder_get_txn_from_and_acq_inner(in_reply_to);
 		if (target_thread == NULL) {
 			/* annotation for sparse */
@@ -3213,6 +3109,7 @@
 		target_proc = target_thread->proc;
 		target_proc->tmp_ref++;
 		binder_inner_proc_unlock(target_thread->proc);
+		trace_android_vh_binder_reply(target_proc, proc, thread, tr);
 	} else {
 		if (tr->target.handle) {
 			struct binder_ref *ref;
@@ -3232,8 +3129,8 @@
 						ref->node, &target_proc,
 						&return_error);
 			} else {
-				binder_user_error("%d:%d got transaction to invalid handle\n",
-						  proc->pid, thread->pid);
+				binder_user_error("%d:%d got transaction to invalid handle, %u\n",
+						  proc->pid, thread->pid, tr->target.handle);
 				return_error = BR_FAILED_REPLY;
 			}
 			binder_proc_unlock(proc);
@@ -3271,6 +3168,7 @@
 			return_error_line = __LINE__;
 			goto err_invalid_target_handle;
 		}
+		trace_android_vh_binder_trans(target_proc, proc, thread, tr);
 		if (security_binder_transaction(proc->cred,
 						target_proc->cred) < 0) {
 			return_error = BR_FAILED_REPLY;
@@ -3329,6 +3227,7 @@
 					atomic_inc(&from->tmp_ref);
 					target_thread = from;
 					spin_unlock(&tmp->lock);
+					is_nested = true;
 					break;
 				}
 				spin_unlock(&tmp->lock);
@@ -3352,6 +3251,7 @@
 	INIT_LIST_HEAD(&t->fd_fixups);
 	binder_stats_created(BINDER_STAT_TRANSACTION);
 	spin_lock_init(&t->lock);
+	trace_android_vh_binder_transaction_init(t);
 
 	tcomplete = kzalloc(sizeof(*tcomplete), GFP_KERNEL);
 	if (tcomplete == NULL) {
@@ -3392,14 +3292,42 @@
 	t->to_thread = target_thread;
 	t->code = tr->code;
 	t->flags = tr->flags;
-	t->priority = task_nice(current);
+	t->is_nested = is_nested;
+	if (!(t->flags & TF_ONE_WAY) &&
+	    binder_supported_policy(current->policy)) {
+		/* Inherit supported policies for synchronous transactions */
+		t->priority.sched_policy = current->policy;
+		t->priority.prio = current->normal_prio;
+	} else {
+		/* Otherwise, fall back to the default priority */
+		t->priority = target_proc->default_priority;
+	}
 
 	if (target_node && target_node->txn_security_ctx) {
 		u32 secid;
 		size_t added_size;
+		int max_retries = 100;
 
 		security_cred_getsecid(proc->cred, &secid);
+ retry_alloc:
 		ret = security_secid_to_secctx(secid, &secctx, &secctx_sz);
+		if (ret == -ENOMEM && max_retries-- > 0) {
+			struct page *dummy_page;
+
+			/*
+			 * security_secid_to_secctx() can fail because of a
+			 * GFP_ATOMIC allocation in which case -ENOMEM is
+			 * returned. This needs to be retried, but there is
+			 * currently no way to tell userspace to retry so we
+			 * do it here. We make sure there is still available
+			 * memory first and then retry.
+			 */
+			dummy_page = alloc_page(GFP_KERNEL);
+			if (dummy_page) {
+				__free_page(dummy_page);
+				goto retry_alloc;
+			}
+		}
 		if (ret) {
 			return_error = BR_FAILED_REPLY;
 			return_error_param = ret;
@@ -3411,7 +3339,7 @@
 		if (extra_buffers_size < added_size) {
 			/* integer overflow of extra_buffers_size */
 			return_error = BR_FAILED_REPLY;
-			return_error_param = EINVAL;
+			return_error_param = -EINVAL;
 			return_error_line = __LINE__;
 			goto err_bad_extra_size;
 		}
@@ -3763,21 +3691,34 @@
 		return_error_line = __LINE__;
 		goto err_copy_data_failed;
 	}
-	tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
+	if (t->buffer->oneway_spam_suspect)
+		tcomplete->type = BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT;
+	else
+		tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
 	t->work.type = BINDER_WORK_TRANSACTION;
 
 	if (reply) {
 		binder_enqueue_thread_work(thread, tcomplete);
 		binder_inner_proc_lock(target_proc);
 		if (target_thread->is_dead) {
+			return_error = BR_DEAD_REPLY;
 			binder_inner_proc_unlock(target_proc);
 			goto err_dead_proc_or_thread;
 		}
 		BUG_ON(t->buffer->async_transaction != 0);
 		binder_pop_transaction_ilocked(target_thread, in_reply_to);
 		binder_enqueue_thread_work_ilocked(target_thread, &t->work);
+		target_proc->outstanding_txns++;
 		binder_inner_proc_unlock(target_proc);
+		if (in_reply_to->is_nested) {
+			spin_lock(&thread->prio_lock);
+			thread->prio_state = BINDER_PRIO_PENDING;
+			thread->prio_next = in_reply_to->saved_priority;
+			spin_unlock(&thread->prio_lock);
+		}
 		wake_up_interruptible_sync(&target_thread->wait);
+		trace_android_vh_binder_restore_priority(in_reply_to, current);
+		binder_restore_priority(thread, &in_reply_to->saved_priority);
 		binder_free_transaction(in_reply_to);
 	} else if (!(t->flags & TF_ONE_WAY)) {
 		BUG_ON(t->buffer->async_transaction != 0);
@@ -3794,7 +3735,9 @@
 		t->from_parent = thread->transaction_stack;
 		thread->transaction_stack = t;
 		binder_inner_proc_unlock(proc);
-		if (!binder_proc_transaction(t, target_proc, target_thread)) {
+		return_error = binder_proc_transaction(t,
+				target_proc, target_thread);
+		if (return_error) {
 			binder_inner_proc_lock(proc);
 			binder_pop_transaction_ilocked(thread, t);
 			binder_inner_proc_unlock(proc);
@@ -3804,7 +3747,8 @@
 		BUG_ON(target_node == NULL);
 		BUG_ON(t->buffer->async_transaction != 1);
 		binder_enqueue_thread_work(thread, tcomplete);
-		if (!binder_proc_transaction(t, target_proc, NULL))
+		return_error = binder_proc_transaction(t, target_proc, NULL);
+		if (return_error)
 			goto err_dead_proc_or_thread;
 	}
 	if (target_thread)
@@ -3821,7 +3765,6 @@
 	return;
 
 err_dead_proc_or_thread:
-	return_error = BR_DEAD_REPLY;
 	return_error_line = __LINE__;
 	binder_dequeue_work(proc, tcomplete);
 err_translate_failed:
@@ -3889,6 +3832,8 @@
 
 	BUG_ON(thread->return_error.cmd != BR_OK);
 	if (in_reply_to) {
+		trace_android_vh_binder_restore_priority(in_reply_to, current);
+		binder_restore_priority(thread, &in_reply_to->saved_priority);
 		thread->return_error.cmd = BR_TRANSACTION_COMPLETE;
 		binder_enqueue_thread_work(thread, &thread->return_error.work);
 		binder_send_failed_reply(in_reply_to, return_error);
@@ -4448,12 +4393,13 @@
 		if (do_proc_work)
 			list_add(&thread->waiting_thread_node,
 				 &proc->waiting_threads);
+		trace_android_vh_binder_wait_for_work(do_proc_work, thread, proc);
 		binder_inner_proc_unlock(proc);
 		schedule();
 		binder_inner_proc_lock(proc);
 		list_del_init(&thread->waiting_thread_node);
 		if (signal_pending(current)) {
-			ret = -ERESTARTSYS;
+			ret = -EINTR;
 			break;
 		}
 	}
@@ -4565,7 +4511,8 @@
 			wait_event_interruptible(binder_user_error_wait,
 						 binder_stop_on_user_error < 2);
 		}
-		binder_set_nice(proc->default_priority);
+		trace_android_vh_binder_restore_priority(NULL, current);
+		binder_restore_priority(thread, &proc->default_priority);
 	}
 
 	if (non_block) {
@@ -4632,9 +4579,14 @@
 
 			binder_stat_br(proc, thread, cmd);
 		} break;
-		case BINDER_WORK_TRANSACTION_COMPLETE: {
+		case BINDER_WORK_TRANSACTION_COMPLETE:
+		case BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT: {
+			if (proc->oneway_spam_detection_enabled &&
+				   w->type == BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT)
+				cmd = BR_ONEWAY_SPAM_SUSPECT;
+			else
+				cmd = BR_TRANSACTION_COMPLETE;
 			binder_inner_proc_unlock(proc);
-			cmd = BR_TRANSACTION_COMPLETE;
 			kfree(w);
 			binder_stats_deleted(BINDER_STAT_TRANSACTION_COMPLETE);
 			if (put_user(cmd, (uint32_t __user *)ptr))
@@ -4790,13 +4742,7 @@
 
 			trd->target.ptr = target_node->ptr;
 			trd->cookie =  target_node->cookie;
-			t->saved_priority = task_nice(current);
-			if (t->priority < target_node->min_priority &&
-			    !(t->flags & TF_ONE_WAY))
-				binder_set_nice(t->priority);
-			else if (!(t->flags & TF_ONE_WAY) ||
-				 t->saved_priority > target_node->min_priority)
-				binder_set_nice(target_node->min_priority);
+			binder_transaction_priority(thread, t, target_node);
 			cmd = BR_TRANSACTION;
 		} else {
 			trd->target.ptr = 0;
@@ -4814,6 +4760,7 @@
 			trd->sender_pid =
 				task_tgid_nr_ns(sender,
 						task_active_pid_ns(current));
+			trace_android_vh_sync_txn_recvd(thread->task, t_from->task);
 		} else {
 			trd->sender_pid = 0;
 		}
@@ -5014,6 +4961,8 @@
 	binder_stats_created(BINDER_STAT_THREAD);
 	thread->proc = proc;
 	thread->pid = current->pid;
+	get_task_struct(current);
+	thread->task = current;
 	atomic_set(&thread->tmp_ref, 0);
 	init_waitqueue_head(&thread->wait);
 	INIT_LIST_HEAD(&thread->todo);
@@ -5024,6 +4973,8 @@
 	thread->return_error.cmd = BR_OK;
 	thread->reply_error.work.type = BINDER_WORK_RETURN_ERROR;
 	thread->reply_error.cmd = BR_OK;
+	spin_lock_init(&thread->prio_lock);
+	thread->prio_state = BINDER_PRIO_SET;
 	INIT_LIST_HEAD(&new_thread->waiting_thread_node);
 	return thread;
 }
@@ -5055,6 +5006,9 @@
 
 	BUG_ON(!list_empty(&proc->todo));
 	BUG_ON(!list_empty(&proc->delivered_death));
+	if (proc->outstanding_txns)
+		pr_warn("%s: Unexpected outstanding_txns %d\n",
+			__func__, proc->outstanding_txns);
 	device = container_of(proc->context, struct binder_device, context);
 	if (refcount_dec_and_test(&device->ref)) {
 		kfree(proc->context->name);
@@ -5072,6 +5026,7 @@
 	BUG_ON(!list_empty(&thread->todo));
 	binder_stats_deleted(BINDER_STAT_THREAD);
 	binder_proc_dec_tmpref(thread->proc);
+	put_task_struct(thread->task);
 	kfree(thread);
 }
 
@@ -5117,6 +5072,7 @@
 			     (t->to_thread == thread) ? "in" : "out");
 
 		if (t->to_thread == thread) {
+			thread->proc->outstanding_txns--;
 			t->to_proc = NULL;
 			t->to_thread = NULL;
 			if (t->buffer) {
@@ -5364,6 +5320,100 @@
 	return 0;
 }
 
+static bool binder_txns_pending_ilocked(struct binder_proc *proc)
+{
+	struct rb_node *n;
+	struct binder_thread *thread;
+
+	if (proc->outstanding_txns > 0)
+		return true;
+
+	for (n = rb_first(&proc->threads); n; n = rb_next(n)) {
+		thread = rb_entry(n, struct binder_thread, rb_node);
+		if (thread->transaction_stack)
+			return true;
+	}
+	return false;
+}
+
+static int binder_ioctl_freeze(struct binder_freeze_info *info,
+			       struct binder_proc *target_proc)
+{
+	int ret = 0;
+
+	if (!info->enable) {
+		binder_inner_proc_lock(target_proc);
+		target_proc->sync_recv = false;
+		target_proc->async_recv = false;
+		target_proc->is_frozen = false;
+		binder_inner_proc_unlock(target_proc);
+		return 0;
+	}
+
+	/*
+	 * Freezing the target. Prevent new transactions by
+	 * setting frozen state. If timeout specified, wait
+	 * for transactions to drain.
+	 */
+	binder_inner_proc_lock(target_proc);
+	target_proc->sync_recv = false;
+	target_proc->async_recv = false;
+	target_proc->is_frozen = true;
+	binder_inner_proc_unlock(target_proc);
+
+	if (info->timeout_ms > 0)
+		ret = wait_event_interruptible_timeout(
+			target_proc->freeze_wait,
+			(!target_proc->outstanding_txns),
+			msecs_to_jiffies(info->timeout_ms));
+
+	/* Check pending transactions that wait for reply */
+	if (ret >= 0) {
+		binder_inner_proc_lock(target_proc);
+		if (binder_txns_pending_ilocked(target_proc))
+			ret = -EAGAIN;
+		binder_inner_proc_unlock(target_proc);
+	}
+
+	if (ret < 0) {
+		binder_inner_proc_lock(target_proc);
+		target_proc->is_frozen = false;
+		binder_inner_proc_unlock(target_proc);
+	}
+
+	return ret;
+}
+
+static int binder_ioctl_get_freezer_info(
+				struct binder_frozen_status_info *info)
+{
+	struct binder_proc *target_proc;
+	bool found = false;
+	__u32 txns_pending;
+
+	info->sync_recv = 0;
+	info->async_recv = 0;
+
+	mutex_lock(&binder_procs_lock);
+	hlist_for_each_entry(target_proc, &binder_procs, proc_node) {
+		if (target_proc->pid == info->pid) {
+			found = true;
+			binder_inner_proc_lock(target_proc);
+			txns_pending = binder_txns_pending_ilocked(target_proc);
+			info->sync_recv |= target_proc->sync_recv |
+					(txns_pending << 1);
+			info->async_recv |= target_proc->async_recv;
+			binder_inner_proc_unlock(target_proc);
+		}
+	}
+	mutex_unlock(&binder_procs_lock);
+
+	if (!found)
+		return -EINVAL;
+
+	return 0;
+}
+
 static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	int ret;
@@ -5482,6 +5532,96 @@
 		}
 		break;
 	}
+	case BINDER_FREEZE: {
+		struct binder_freeze_info info;
+		struct binder_proc **target_procs = NULL, *target_proc;
+		int target_procs_count = 0, i = 0;
+
+		ret = 0;
+
+		if (copy_from_user(&info, ubuf, sizeof(info))) {
+			ret = -EFAULT;
+			goto err;
+		}
+
+		mutex_lock(&binder_procs_lock);
+		hlist_for_each_entry(target_proc, &binder_procs, proc_node) {
+			if (target_proc->pid == info.pid)
+				target_procs_count++;
+		}
+
+		if (target_procs_count == 0) {
+			mutex_unlock(&binder_procs_lock);
+			ret = -EINVAL;
+			goto err;
+		}
+
+		target_procs = kcalloc(target_procs_count,
+				       sizeof(struct binder_proc *),
+				       GFP_KERNEL);
+
+		if (!target_procs) {
+			mutex_unlock(&binder_procs_lock);
+			ret = -ENOMEM;
+			goto err;
+		}
+
+		hlist_for_each_entry(target_proc, &binder_procs, proc_node) {
+			if (target_proc->pid != info.pid)
+				continue;
+
+			binder_inner_proc_lock(target_proc);
+			target_proc->tmp_ref++;
+			binder_inner_proc_unlock(target_proc);
+
+			target_procs[i++] = target_proc;
+		}
+		mutex_unlock(&binder_procs_lock);
+
+		for (i = 0; i < target_procs_count; i++) {
+			if (ret >= 0)
+				ret = binder_ioctl_freeze(&info,
+							  target_procs[i]);
+
+			binder_proc_dec_tmpref(target_procs[i]);
+		}
+
+		kfree(target_procs);
+
+		if (ret < 0)
+			goto err;
+		break;
+	}
+	case BINDER_GET_FROZEN_INFO: {
+		struct binder_frozen_status_info info;
+
+		if (copy_from_user(&info, ubuf, sizeof(info))) {
+			ret = -EFAULT;
+			goto err;
+		}
+
+		ret = binder_ioctl_get_freezer_info(&info);
+		if (ret < 0)
+			goto err;
+
+		if (copy_to_user(ubuf, &info, sizeof(info))) {
+			ret = -EFAULT;
+			goto err;
+		}
+		break;
+	}
+	case BINDER_ENABLE_ONEWAY_SPAM_DETECTION: {
+		uint32_t enable;
+
+		if (copy_from_user(&enable, ubuf, sizeof(enable))) {
+			ret = -EFAULT;
+			goto err;
+		}
+		binder_inner_proc_lock(proc);
+		proc->oneway_spam_detection_enabled = (bool)enable;
+		binder_inner_proc_unlock(proc);
+		break;
+	}
 	default:
 		ret = -EINVAL;
 		goto err;
@@ -5491,7 +5631,7 @@
 	if (thread)
 		thread->looper_need_return = false;
 	wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
-	if (ret && ret != -ERESTARTSYS)
+	if (ret && ret != -EINTR)
 		pr_info("%d:%d ioctl %x %lx returned %d\n", proc->pid, current->pid, cmd, arg, ret);
 err_unlocked:
 	trace_binder_ioctl_done(ret);
@@ -5579,7 +5719,15 @@
 	proc->tsk = current->group_leader;
 	proc->cred = get_cred(filp->f_cred);
 	INIT_LIST_HEAD(&proc->todo);
-	proc->default_priority = task_nice(current);
+	init_waitqueue_head(&proc->freeze_wait);
+	if (binder_supported_policy(current->policy)) {
+		proc->default_priority.sched_policy = current->policy;
+		proc->default_priority.prio = current->normal_prio;
+	} else {
+		proc->default_priority.sched_policy = SCHED_NORMAL;
+		proc->default_priority.prio = NICE_TO_PRIO(0);
+	}
+
 	/* binderfs stashes devices in i_private */
 	if (is_binderfs_device(nodp)) {
 		binder_dev = nodp->i_private;
@@ -5608,7 +5756,7 @@
 	}
 	hlist_add_head(&proc->proc_node, &binder_procs);
 	mutex_unlock(&binder_procs_lock);
-
+	trace_android_vh_binder_preset(&binder_procs, &binder_procs_lock);
 	if (binder_debugfs_dir_entry_proc && !existing_pid) {
 		char strbuf[11];
 
@@ -5791,6 +5939,9 @@
 	proc->tmp_ref++;
 
 	proc->is_dead = true;
+	proc->is_frozen = false;
+	proc->sync_recv = false;
+	proc->async_recv = false;
 	threads = 0;
 	active_transactions = 0;
 	while ((n = rb_first(&proc->threads))) {
@@ -5899,15 +6050,17 @@
 	struct binder_buffer *buffer = t->buffer;
 
 	spin_lock(&t->lock);
+	trace_android_vh_binder_print_transaction_info(m, proc, prefix, t);
 	to_proc = t->to_proc;
 	seq_printf(m,
-		   "%s %d: %pK from %d:%d to %d:%d code %x flags %x pri %ld r%d",
+		   "%s %d: %pK from %d:%d to %d:%d code %x flags %x pri %d:%d r%d",
 		   prefix, t->debug_id, t,
 		   t->from ? t->from->proc->pid : 0,
 		   t->from ? t->from->pid : 0,
 		   to_proc ? to_proc->pid : 0,
 		   t->to_thread ? t->to_thread->pid : 0,
-		   t->code, t->flags, t->priority, t->need_reply);
+		   t->code, t->flags, t->priority.sched_policy,
+		   t->priority.prio, t->need_reply);
 	spin_unlock(&t->lock);
 
 	if (proc != to_proc) {
@@ -6025,8 +6178,9 @@
 	hlist_for_each_entry(ref, &node->refs, node_entry)
 		count++;
 
-	seq_printf(m, "  node %d: u%016llx c%016llx hs %d hw %d ls %d lw %d is %d iw %d tr %d",
+	seq_printf(m, "  node %d: u%016llx c%016llx pri %d:%d hs %d hw %d ls %d lw %d is %d iw %d tr %d",
 		   node->debug_id, (u64)node->ptr, (u64)node->cookie,
+		   node->sched_policy, node->min_priority,
 		   node->has_strong_ref, node->has_weak_ref,
 		   node->local_strong_refs, node->local_weak_refs,
 		   node->internal_strong_refs, count, node->tmp_refs);
@@ -6141,7 +6295,9 @@
 	"BR_FINISHED",
 	"BR_DEAD_BINDER",
 	"BR_CLEAR_DEATH_NOTIFICATION_DONE",
-	"BR_FAILED_REPLY"
+	"BR_FAILED_REPLY",
+	"BR_FROZEN_REPLY",
+	"BR_ONEWAY_SPAM_SUSPECT",
 };
 
 static const char * const binder_command_strings[] = {
@@ -6282,8 +6438,7 @@
 	print_binder_stats(m, "  ", &proc->stats);
 }
 
-
-int binder_state_show(struct seq_file *m, void *unused)
+static int state_show(struct seq_file *m, void *unused)
 {
 	struct binder_proc *proc;
 	struct binder_node *node;
@@ -6322,7 +6477,7 @@
 	return 0;
 }
 
-int binder_stats_show(struct seq_file *m, void *unused)
+static int stats_show(struct seq_file *m, void *unused)
 {
 	struct binder_proc *proc;
 
@@ -6338,7 +6493,7 @@
 	return 0;
 }
 
-int binder_transactions_show(struct seq_file *m, void *unused)
+static int transactions_show(struct seq_file *m, void *unused)
 {
 	struct binder_proc *proc;
 
@@ -6394,7 +6549,7 @@
 			"\n" : " (incomplete)\n");
 }
 
-int binder_transaction_log_show(struct seq_file *m, void *unused)
+static int transaction_log_show(struct seq_file *m, void *unused)
 {
 	struct binder_transaction_log *log = m->private;
 	unsigned int log_cur = atomic_read(&log->cur);
@@ -6424,7 +6579,45 @@
 	.open = binder_open,
 	.flush = binder_flush,
 	.release = binder_release,
-	.may_pollfree = true,
+};
+
+DEFINE_SHOW_ATTRIBUTE(state);
+DEFINE_SHOW_ATTRIBUTE(stats);
+DEFINE_SHOW_ATTRIBUTE(transactions);
+DEFINE_SHOW_ATTRIBUTE(transaction_log);
+
+const struct binder_debugfs_entry binder_debugfs_entries[] = {
+	{
+		.name = "state",
+		.mode = 0444,
+		.fops = &state_fops,
+		.data = NULL,
+	},
+	{
+		.name = "stats",
+		.mode = 0444,
+		.fops = &stats_fops,
+		.data = NULL,
+	},
+	{
+		.name = "transactions",
+		.mode = 0444,
+		.fops = &transactions_fops,
+		.data = NULL,
+	},
+	{
+		.name = "transaction_log",
+		.mode = 0444,
+		.fops = &transaction_log_fops,
+		.data = &binder_transaction_log,
+	},
+	{
+		.name = "failed_transaction_log",
+		.mode = 0444,
+		.fops = &transaction_log_fops,
+		.data = &binder_transaction_log_failed,
+	},
+	{} /* terminator */
 };
 
 static int __init init_binder_device(const char *name)
@@ -6472,36 +6665,18 @@
 	atomic_set(&binder_transaction_log_failed.cur, ~0U);
 
 	binder_debugfs_dir_entry_root = debugfs_create_dir("binder", NULL);
-	if (binder_debugfs_dir_entry_root)
+	if (binder_debugfs_dir_entry_root) {
+		const struct binder_debugfs_entry *db_entry;
+
+		binder_for_each_debugfs_entry(db_entry)
+			debugfs_create_file(db_entry->name,
+					    db_entry->mode,
+					    binder_debugfs_dir_entry_root,
+					    db_entry->data,
+					    db_entry->fops);
+
 		binder_debugfs_dir_entry_proc = debugfs_create_dir("proc",
 						 binder_debugfs_dir_entry_root);
-
-	if (binder_debugfs_dir_entry_root) {
-		debugfs_create_file("state",
-				    0444,
-				    binder_debugfs_dir_entry_root,
-				    NULL,
-				    &binder_state_fops);
-		debugfs_create_file("stats",
-				    0444,
-				    binder_debugfs_dir_entry_root,
-				    NULL,
-				    &binder_stats_fops);
-		debugfs_create_file("transactions",
-				    0444,
-				    binder_debugfs_dir_entry_root,
-				    NULL,
-				    &binder_transactions_fops);
-		debugfs_create_file("transaction_log",
-				    0444,
-				    binder_debugfs_dir_entry_root,
-				    &binder_transaction_log,
-				    &binder_transaction_log_fops);
-		debugfs_create_file("failed_transaction_log",
-				    0444,
-				    binder_debugfs_dir_entry_root,
-				    &binder_transaction_log_failed,
-				    &binder_transaction_log_fops);
 	}
 
 	if (!IS_ENABLED(CONFIG_ANDROID_BINDERFS) &&
@@ -6550,5 +6725,6 @@
 
 #define CREATE_TRACE_POINTS
 #include "binder_trace.h"
+EXPORT_TRACEPOINT_SYMBOL_GPL(binder_transaction_received);
 
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index b655bc3..2f24238 100644
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -25,6 +25,7 @@
 #include <linux/sizes.h>
 #include "binder_alloc.h"
 #include "binder_trace.h"
+#include <trace/hooks/binder.h>
 
 struct list_lru binder_alloc_lru;
 
@@ -338,7 +339,7 @@
 	return vma;
 }
 
-static void debug_low_async_space_locked(struct binder_alloc *alloc, int pid)
+static bool debug_low_async_space_locked(struct binder_alloc *alloc, int pid)
 {
 	/*
 	 * Find the amount and size of buffers allocated by the current caller;
@@ -365,13 +366,19 @@
 
 	/*
 	 * Warn if this pid has more than 50 transactions, or more than 50% of
-	 * async space (which is 25% of total buffer size).
+	 * async space (which is 25% of total buffer size). Oneway spam is only
+	 * detected when the threshold is exceeded.
 	 */
 	if (num_buffers > 50 || total_alloc_size > alloc->buffer_size / 4) {
 		binder_alloc_debug(BINDER_DEBUG_USER_ERROR,
 			     "%d: pid %d spamming oneway? %zd buffers allocated for a total size of %zd\n",
 			      alloc->pid, pid, num_buffers, total_alloc_size);
+		if (!alloc->oneway_spam_detected) {
+			alloc->oneway_spam_detected = true;
+			return true;
+		}
 	}
+	return false;
 }
 
 static struct binder_buffer *binder_alloc_new_buf_locked(
@@ -418,7 +425,9 @@
 	/* Pad 0-size buffers so they get assigned unique addresses */
 	size = max(size, sizeof(void *));
 
-	if (is_async && alloc->free_async_space < size) {
+	trace_android_vh_binder_alloc_new_buf_locked(size, alloc, is_async);
+	if (is_async &&
+	    alloc->free_async_space < size + sizeof(struct binder_buffer)) {
 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC,
 			     "%d: binder_alloc_buf size %zd failed, no async space left\n",
 			      alloc->pid, size);
@@ -524,6 +533,7 @@
 	buffer->async_transaction = is_async;
 	buffer->extra_buffers_size = extra_buffers_size;
 	buffer->pid = pid;
+	buffer->oneway_spam_suspect = false;
 	if (is_async) {
 		alloc->free_async_space -= size;
 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC,
@@ -535,7 +545,9 @@
 			 * of async space left (which is less than 10% of total
 			 * buffer size).
 			 */
-			debug_low_async_space_locked(alloc, pid);
+			buffer->oneway_spam_suspect = debug_low_async_space_locked(alloc, pid);
+		} else {
+			alloc->oneway_spam_detected = false;
 		}
 	}
 	return buffer;
diff --git a/drivers/android/binder_alloc.h b/drivers/android/binder_alloc.h
index f6052c9..399f2b2 100644
--- a/drivers/android/binder_alloc.h
+++ b/drivers/android/binder_alloc.h
@@ -26,6 +26,8 @@
  * @clear_on_free:      %true if buffer must be zeroed after use
  * @allow_user_free:    %true if user is allowed to free buffer
  * @async_transaction:  %true if buffer is in use for an async txn
+ * @oneway_spam_suspect: %true if total async allocate size just exceed
+ * spamming detect threshold
  * @debug_id:           unique ID for debugging
  * @transaction:        pointer to associated struct binder_transaction
  * @target_node:        struct binder_node associated with this buffer
@@ -45,7 +47,8 @@
 	unsigned clear_on_free:1;
 	unsigned allow_user_free:1;
 	unsigned async_transaction:1;
-	unsigned debug_id:28;
+	unsigned oneway_spam_suspect:1;
+	unsigned debug_id:27;
 
 	struct binder_transaction *transaction;
 
@@ -87,6 +90,8 @@
  * @buffer_size:        size of address space specified via mmap
  * @pid:                pid for associated binder_proc (invariant after init)
  * @pages_high:         high watermark of offset in @pages
+ * @oneway_spam_detected: %true if oneway spam detection fired, clear that
+ * flag once the async buffer has returned to a healthy state
  *
  * Bookkeeping structure for per-proc address space management for binder
  * buffers. It is normally initialized during binder_init() and binder_mmap()
@@ -107,6 +112,7 @@
 	uint32_t buffer_free;
 	int pid;
 	size_t pages_high;
+	bool oneway_spam_detected;
 };
 
 #ifdef CONFIG_ANDROID_BINDER_IPC_SELFTEST
diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h
index 283d3cb..5bbd87d 100644
--- a/drivers/android/binder_internal.h
+++ b/drivers/android/binder_internal.h
@@ -12,6 +12,8 @@
 #include <linux/stddef.h>
 #include <linux/types.h>
 #include <linux/uidgid.h>
+#include <uapi/linux/android/binderfs.h>
+#include "binder_alloc.h"
 
 struct binder_context {
 	struct binder_node *binder_context_mgr_node;
@@ -105,42 +107,492 @@
 }
 #endif
 
-int binder_stats_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_stats);
+struct binder_debugfs_entry {
+	const char *name;
+	umode_t mode;
+	const struct file_operations *fops;
+	void *data;
+};
 
-int binder_state_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_state);
+extern const struct binder_debugfs_entry binder_debugfs_entries[];
 
-int binder_transactions_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_transactions);
+#define binder_for_each_debugfs_entry(entry)	\
+	for ((entry) = binder_debugfs_entries;	\
+	     (entry)->name;			\
+	     (entry)++)
 
-int binder_transaction_log_show(struct seq_file *m, void *unused);
-DEFINE_SHOW_ATTRIBUTE(binder_transaction_log);
+enum binder_stat_types {
+	BINDER_STAT_PROC,
+	BINDER_STAT_THREAD,
+	BINDER_STAT_NODE,
+	BINDER_STAT_REF,
+	BINDER_STAT_DEATH,
+	BINDER_STAT_TRANSACTION,
+	BINDER_STAT_TRANSACTION_COMPLETE,
+	BINDER_STAT_COUNT
+};
 
-struct binder_transaction_log_entry {
+struct binder_stats {
+	atomic_t br[_IOC_NR(BR_ONEWAY_SPAM_SUSPECT) + 1];
+	atomic_t bc[_IOC_NR(BC_REPLY_SG) + 1];
+	atomic_t obj_created[BINDER_STAT_COUNT];
+	atomic_t obj_deleted[BINDER_STAT_COUNT];
+};
+
+/**
+ * struct binder_work - work enqueued on a worklist
+ * @entry:             node enqueued on list
+ * @type:              type of work to be performed
+ *
+ * There are separate work lists for proc, thread, and node (async).
+ */
+struct binder_work {
+	struct list_head entry;
+
+	enum binder_work_type {
+		BINDER_WORK_TRANSACTION = 1,
+		BINDER_WORK_TRANSACTION_COMPLETE,
+		BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT,
+		BINDER_WORK_RETURN_ERROR,
+		BINDER_WORK_NODE,
+		BINDER_WORK_DEAD_BINDER,
+		BINDER_WORK_DEAD_BINDER_AND_CLEAR,
+		BINDER_WORK_CLEAR_DEATH_NOTIFICATION,
+	} type;
+};
+
+struct binder_error {
+	struct binder_work work;
+	uint32_t cmd;
+};
+
+/**
+ * struct binder_node - binder node bookkeeping
+ * @debug_id:             unique ID for debugging
+ *                        (invariant after initialized)
+ * @lock:                 lock for node fields
+ * @work:                 worklist element for node work
+ *                        (protected by @proc->inner_lock)
+ * @rb_node:              element for proc->nodes tree
+ *                        (protected by @proc->inner_lock)
+ * @dead_node:            element for binder_dead_nodes list
+ *                        (protected by binder_dead_nodes_lock)
+ * @proc:                 binder_proc that owns this node
+ *                        (invariant after initialized)
+ * @refs:                 list of references on this node
+ *                        (protected by @lock)
+ * @internal_strong_refs: used to take strong references when
+ *                        initiating a transaction
+ *                        (protected by @proc->inner_lock if @proc
+ *                        and by @lock)
+ * @local_weak_refs:      weak user refs from local process
+ *                        (protected by @proc->inner_lock if @proc
+ *                        and by @lock)
+ * @local_strong_refs:    strong user refs from local process
+ *                        (protected by @proc->inner_lock if @proc
+ *                        and by @lock)
+ * @tmp_refs:             temporary kernel refs
+ *                        (protected by @proc->inner_lock while @proc
+ *                        is valid, and by binder_dead_nodes_lock
+ *                        if @proc is NULL. During inc/dec and node release
+ *                        it is also protected by @lock to provide safety
+ *                        as the node dies and @proc becomes NULL)
+ * @ptr:                  userspace pointer for node
+ *                        (invariant, no lock needed)
+ * @cookie:               userspace cookie for node
+ *                        (invariant, no lock needed)
+ * @has_strong_ref:       userspace notified of strong ref
+ *                        (protected by @proc->inner_lock if @proc
+ *                        and by @lock)
+ * @pending_strong_ref:   userspace has acked notification of strong ref
+ *                        (protected by @proc->inner_lock if @proc
+ *                        and by @lock)
+ * @has_weak_ref:         userspace notified of weak ref
+ *                        (protected by @proc->inner_lock if @proc
+ *                        and by @lock)
+ * @pending_weak_ref:     userspace has acked notification of weak ref
+ *                        (protected by @proc->inner_lock if @proc
+ *                        and by @lock)
+ * @has_async_transaction: async transaction to node in progress
+ *                        (protected by @lock)
+ * @sched_policy:         minimum scheduling policy for node
+ *                        (invariant after initialized)
+ * @accept_fds:           file descriptor operations supported for node
+ *                        (invariant after initialized)
+ * @min_priority:         minimum scheduling priority
+ *                        (invariant after initialized)
+ * @inherit_rt:           inherit RT scheduling policy from caller
+ * @txn_security_ctx:     require sender's security context
+ *                        (invariant after initialized)
+ * @async_todo:           list of async work items
+ *                        (protected by @proc->inner_lock)
+ *
+ * Bookkeeping structure for binder nodes.
+ */
+struct binder_node {
 	int debug_id;
-	int debug_id_done;
-	int call_type;
-	int from_proc;
-	int from_thread;
-	int target_handle;
-	int to_proc;
-	int to_thread;
-	int to_node;
-	int data_size;
-	int offsets_size;
-	int return_error_line;
-	uint32_t return_error;
-	uint32_t return_error_param;
-	char context_name[BINDERFS_MAX_NAME + 1];
+	spinlock_t lock;
+	struct binder_work work;
+	union {
+		struct rb_node rb_node;
+		struct hlist_node dead_node;
+	};
+	struct binder_proc *proc;
+	struct hlist_head refs;
+	int internal_strong_refs;
+	int local_weak_refs;
+	int local_strong_refs;
+	int tmp_refs;
+	binder_uintptr_t ptr;
+	binder_uintptr_t cookie;
+	struct {
+		/*
+		 * bitfield elements protected by
+		 * proc inner_lock
+		 */
+		u8 has_strong_ref:1;
+		u8 pending_strong_ref:1;
+		u8 has_weak_ref:1;
+		u8 pending_weak_ref:1;
+	};
+	struct {
+		/*
+		 * invariant after initialization
+		 */
+		u8 sched_policy:2;
+		u8 inherit_rt:1;
+		u8 accept_fds:1;
+		u8 txn_security_ctx:1;
+		u8 min_priority;
+	};
+	bool has_async_transaction;
+	struct list_head async_todo;
 };
 
-struct binder_transaction_log {
-	atomic_t cur;
-	bool full;
-	struct binder_transaction_log_entry entry[32];
+struct binder_ref_death {
+	/**
+	 * @work: worklist element for death notifications
+	 *        (protected by inner_lock of the proc that
+	 *        this ref belongs to)
+	 */
+	struct binder_work work;
+	binder_uintptr_t cookie;
 };
 
-extern struct binder_transaction_log binder_transaction_log;
-extern struct binder_transaction_log binder_transaction_log_failed;
+/**
+ * struct binder_ref_data - binder_ref counts and id
+ * @debug_id:        unique ID for the ref
+ * @desc:            unique userspace handle for ref
+ * @strong:          strong ref count (debugging only if not locked)
+ * @weak:            weak ref count (debugging only if not locked)
+ *
+ * Structure to hold ref count and ref id information. Since
+ * the actual ref can only be accessed with a lock, this structure
+ * is used to return information about the ref to callers of
+ * ref inc/dec functions.
+ */
+struct binder_ref_data {
+	int debug_id;
+	uint32_t desc;
+	int strong;
+	int weak;
+};
+
+/**
+ * struct binder_ref - struct to track references on nodes
+ * @data:        binder_ref_data containing id, handle, and current refcounts
+ * @rb_node_desc: node for lookup by @data.desc in proc's rb_tree
+ * @rb_node_node: node for lookup by @node in proc's rb_tree
+ * @node_entry:  list entry for node->refs list in target node
+ *               (protected by @node->lock)
+ * @proc:        binder_proc containing ref
+ * @node:        binder_node of target node. When cleaning up a
+ *               ref for deletion in binder_cleanup_ref, a non-NULL
+ *               @node indicates the node must be freed
+ * @death:       pointer to death notification (ref_death) if requested
+ *               (protected by @node->lock)
+ *
+ * Structure to track references from procA to target node (on procB). This
+ * structure is unsafe to access without holding @proc->outer_lock.
+ */
+struct binder_ref {
+	/* Lookups needed: */
+	/*   node + proc => ref (transaction) */
+	/*   desc + proc => ref (transaction, inc/dec ref) */
+	/*   node => refs + procs (proc exit) */
+	struct binder_ref_data data;
+	struct rb_node rb_node_desc;
+	struct rb_node rb_node_node;
+	struct hlist_node node_entry;
+	struct binder_proc *proc;
+	struct binder_node *node;
+	struct binder_ref_death *death;
+};
+
+/**
+ * struct binder_priority - scheduler policy and priority
+ * @sched_policy            scheduler policy
+ * @prio                    [100..139] for SCHED_NORMAL, [0..99] for FIFO/RT
+ *
+ * The binder driver supports inheriting the following scheduler policies:
+ * SCHED_NORMAL
+ * SCHED_BATCH
+ * SCHED_FIFO
+ * SCHED_RR
+ */
+struct binder_priority {
+	unsigned int sched_policy;
+	int prio;
+};
+
+enum binder_prio_state {
+	BINDER_PRIO_SET,	/* desired priority set */
+	BINDER_PRIO_PENDING,	/* initiated a saved priority restore */
+	BINDER_PRIO_ABORT,	/* abort the pending priority restore */
+};
+
+/**
+ * struct binder_proc - binder process bookkeeping
+ * @proc_node:            element for binder_procs list
+ * @threads:              rbtree of binder_threads in this proc
+ *                        (protected by @inner_lock)
+ * @nodes:                rbtree of binder nodes associated with
+ *                        this proc ordered by node->ptr
+ *                        (protected by @inner_lock)
+ * @refs_by_desc:         rbtree of refs ordered by ref->desc
+ *                        (protected by @outer_lock)
+ * @refs_by_node:         rbtree of refs ordered by ref->node
+ *                        (protected by @outer_lock)
+ * @waiting_threads:      threads currently waiting for proc work
+ *                        (protected by @inner_lock)
+ * @pid                   PID of group_leader of process
+ *                        (invariant after initialized)
+ * @tsk                   task_struct for group_leader of process
+ *                        (invariant after initialized)
+ * @cred                  struct cred associated with the `struct file`
+ *                        in binder_open()
+ *                        (invariant after initialized)
+ * @deferred_work_node:   element for binder_deferred_list
+ *                        (protected by binder_deferred_lock)
+ * @deferred_work:        bitmap of deferred work to perform
+ *                        (protected by binder_deferred_lock)
+ * @outstanding_txns:     number of transactions to be transmitted before
+ *                        processes in freeze_wait are woken up
+ *                        (protected by @inner_lock)
+ * @is_dead:              process is dead and awaiting free
+ *                        when outstanding transactions are cleaned up
+ *                        (protected by @inner_lock)
+ * @is_frozen:            process is frozen and unable to service
+ *                        binder transactions
+ *                        (protected by @inner_lock)
+ * @sync_recv:            process received sync transactions since last frozen
+ *                        bit 0: received sync transaction after being frozen
+ *                        bit 1: new pending sync transaction during freezing
+ *                        (protected by @inner_lock)
+ * @async_recv:           process received async transactions since last frozen
+ *                        (protected by @inner_lock)
+ * @freeze_wait:          waitqueue of processes waiting for all outstanding
+ *                        transactions to be processed
+ *                        (protected by @inner_lock)
+ * @todo:                 list of work for this process
+ *                        (protected by @inner_lock)
+ * @stats:                per-process binder statistics
+ *                        (atomics, no lock needed)
+ * @delivered_death:      list of delivered death notification
+ *                        (protected by @inner_lock)
+ * @max_threads:          cap on number of binder threads
+ *                        (protected by @inner_lock)
+ * @requested_threads:    number of binder threads requested but not
+ *                        yet started. In current implementation, can
+ *                        only be 0 or 1.
+ *                        (protected by @inner_lock)
+ * @requested_threads_started: number binder threads started
+ *                        (protected by @inner_lock)
+ * @tmp_ref:              temporary reference to indicate proc is in use
+ *                        (protected by @inner_lock)
+ * @default_priority:     default scheduler priority
+ *                        (invariant after initialized)
+ * @debugfs_entry:        debugfs node
+ * @alloc:                binder allocator bookkeeping
+ * @context:              binder_context for this proc
+ *                        (invariant after initialized)
+ * @inner_lock:           can nest under outer_lock and/or node lock
+ * @outer_lock:           no nesting under innor or node lock
+ *                        Lock order: 1) outer, 2) node, 3) inner
+ * @binderfs_entry:       process-specific binderfs log file
+ * @oneway_spam_detection_enabled: process enabled oneway spam detection
+ *                        or not
+ *
+ * Bookkeeping structure for binder processes
+ */
+struct binder_proc {
+	struct hlist_node proc_node;
+	struct rb_root threads;
+	struct rb_root nodes;
+	struct rb_root refs_by_desc;
+	struct rb_root refs_by_node;
+	struct list_head waiting_threads;
+	int pid;
+	struct task_struct *tsk;
+	const struct cred *cred;
+	struct hlist_node deferred_work_node;
+	int deferred_work;
+	int outstanding_txns;
+	bool is_dead;
+	bool is_frozen;
+	bool sync_recv;
+	bool async_recv;
+	wait_queue_head_t freeze_wait;
+
+	struct list_head todo;
+	struct binder_stats stats;
+	struct list_head delivered_death;
+	int max_threads;
+	int requested_threads;
+	int requested_threads_started;
+	int tmp_ref;
+	struct binder_priority default_priority;
+	struct dentry *debugfs_entry;
+	struct binder_alloc alloc;
+	struct binder_context *context;
+	spinlock_t inner_lock;
+	spinlock_t outer_lock;
+	struct dentry *binderfs_entry;
+	bool oneway_spam_detection_enabled;
+};
+
+/**
+ * struct binder_thread - binder thread bookkeeping
+ * @proc:                 binder process for this thread
+ *                        (invariant after initialization)
+ * @rb_node:              element for proc->threads rbtree
+ *                        (protected by @proc->inner_lock)
+ * @waiting_thread_node:  element for @proc->waiting_threads list
+ *                        (protected by @proc->inner_lock)
+ * @pid:                  PID for this thread
+ *                        (invariant after initialization)
+ * @looper:               bitmap of looping state
+ *                        (only accessed by this thread)
+ * @looper_needs_return:  looping thread needs to exit driver
+ *                        (no lock needed)
+ * @transaction_stack:    stack of in-progress transactions for this thread
+ *                        (protected by @proc->inner_lock)
+ * @todo:                 list of work to do for this thread
+ *                        (protected by @proc->inner_lock)
+ * @process_todo:         whether work in @todo should be processed
+ *                        (protected by @proc->inner_lock)
+ * @return_error:         transaction errors reported by this thread
+ *                        (only accessed by this thread)
+ * @reply_error:          transaction errors reported by target thread
+ *                        (protected by @proc->inner_lock)
+ * @wait:                 wait queue for thread work
+ * @stats:                per-thread statistics
+ *                        (atomics, no lock needed)
+ * @tmp_ref:              temporary reference to indicate thread is in use
+ *                        (atomic since @proc->inner_lock cannot
+ *                        always be acquired)
+ * @is_dead:              thread is dead and awaiting free
+ *                        when outstanding transactions are cleaned up
+ *                        (protected by @proc->inner_lock)
+ * @task:                 struct task_struct for this thread
+ * @prio_lock:            protects thread priority fields
+ * @prio_next:            saved priority to be restored next
+ *                        (protected by @prio_lock)
+ * @prio_state:           state of the priority restore process as
+ *                        defined by enum binder_prio_state
+ *                        (protected by @prio_lock)
+ *
+ * Bookkeeping structure for binder threads.
+ */
+struct binder_thread {
+	struct binder_proc *proc;
+	struct rb_node rb_node;
+	struct list_head waiting_thread_node;
+	int pid;
+	int looper;              /* only modified by this thread */
+	bool looper_need_return; /* can be written by other thread */
+	struct binder_transaction *transaction_stack;
+	struct list_head todo;
+	bool process_todo;
+	struct binder_error return_error;
+	struct binder_error reply_error;
+	wait_queue_head_t wait;
+	struct binder_stats stats;
+	atomic_t tmp_ref;
+	bool is_dead;
+	struct task_struct *task;
+	spinlock_t prio_lock;
+	struct binder_priority prio_next;
+	enum binder_prio_state prio_state;
+};
+
+/**
+ * struct binder_txn_fd_fixup - transaction fd fixup list element
+ * @fixup_entry:          list entry
+ * @file:                 struct file to be associated with new fd
+ * @offset:               offset in buffer data to this fixup
+ *
+ * List element for fd fixups in a transaction. Since file
+ * descriptors need to be allocated in the context of the
+ * target process, we pass each fd to be processed in this
+ * struct.
+ */
+struct binder_txn_fd_fixup {
+	struct list_head fixup_entry;
+	struct file *file;
+	size_t offset;
+};
+
+struct binder_transaction {
+	int debug_id;
+	struct binder_work work;
+	struct binder_thread *from;
+	struct binder_transaction *from_parent;
+	struct binder_proc *to_proc;
+	struct binder_thread *to_thread;
+	struct binder_transaction *to_parent;
+	unsigned need_reply:1;
+	/* unsigned is_dead:1; */	/* not used at the moment */
+
+	struct binder_buffer *buffer;
+	unsigned int	code;
+	unsigned int	flags;
+	struct binder_priority	priority;
+	struct binder_priority	saved_priority;
+	bool    set_priority_called;
+	bool    is_nested;
+	kuid_t	sender_euid;
+	struct list_head fd_fixups;
+	binder_uintptr_t security_ctx;
+	/**
+	 * @lock:  protects @from, @to_proc, and @to_thread
+	 *
+	 * @from, @to_proc, and @to_thread can be set to NULL
+	 * during thread teardown
+	 */
+	spinlock_t lock;
+	ANDROID_VENDOR_DATA(1);
+	ANDROID_OEM_DATA_ARRAY(1, 2);
+};
+
+/**
+ * struct binder_object - union of flat binder object types
+ * @hdr:   generic object header
+ * @fbo:   binder object (nodes and refs)
+ * @fdo:   file descriptor object
+ * @bbo:   binder buffer pointer
+ * @fdao:  file descriptor array
+ *
+ * Used for type-independent object copies
+ */
+struct binder_object {
+	union {
+		struct binder_object_header hdr;
+		struct flat_binder_object fbo;
+		struct binder_fd_object fdo;
+		struct binder_buffer_object bbo;
+		struct binder_fd_array_object fdao;
+	};
+};
+
 #endif /* _LINUX_BINDER_INTERNAL_H */
diff --git a/drivers/android/binder_trace.h b/drivers/android/binder_trace.h
index 6731c3c..8c4a6c3 100644
--- a/drivers/android/binder_trace.h
+++ b/drivers/android/binder_trace.h
@@ -76,6 +76,30 @@
 DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_write_done);
 DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_read_done);
 
+TRACE_EVENT(binder_set_priority,
+	TP_PROTO(int proc, int thread, unsigned int old_prio,
+		 unsigned int desired_prio, unsigned int new_prio),
+	TP_ARGS(proc, thread, old_prio, new_prio, desired_prio),
+
+	TP_STRUCT__entry(
+		__field(int, proc)
+		__field(int, thread)
+		__field(unsigned int, old_prio)
+		__field(unsigned int, new_prio)
+		__field(unsigned int, desired_prio)
+	),
+	TP_fast_assign(
+		__entry->proc = proc;
+		__entry->thread = thread;
+		__entry->old_prio = old_prio;
+		__entry->new_prio = new_prio;
+		__entry->desired_prio = desired_prio;
+	),
+	TP_printk("proc=%d thread=%d old=%d => new=%d desired=%d",
+		  __entry->proc, __entry->thread, __entry->old_prio,
+		  __entry->new_prio, __entry->desired_prio)
+);
+
 TRACE_EVENT(binder_wait_for_work,
 	TP_PROTO(bool proc_work, bool transaction_stack, bool thread_todo),
 	TP_ARGS(proc_work, transaction_stack, thread_todo),
@@ -282,6 +306,10 @@
 	TP_PROTO(struct binder_buffer *buffer),
 	TP_ARGS(buffer));
 
+DEFINE_EVENT(binder_buffer_class, binder_transaction_update_buffer_release,
+	     TP_PROTO(struct binder_buffer *buffer),
+	     TP_ARGS(buffer));
+
 TRACE_EVENT(binder_update_page_range,
 	TP_PROTO(struct binder_alloc *alloc, bool allocate,
 		 void __user *start, void __user *end),
diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
index 7b4f154..8d4eb49 100644
--- a/drivers/android/binderfs.c
+++ b/drivers/android/binderfs.c
@@ -58,6 +58,10 @@
 	binderfs_stats_mode_global,
 };
 
+struct binder_features {
+	bool oneway_spam_detection;
+};
+
 static const struct constant_table binderfs_param_stats[] = {
 	{ "global", binderfs_stats_mode_global },
 	{}
@@ -69,6 +73,10 @@
 	{}
 };
 
+static struct binder_features binder_features = {
+	.oneway_spam_detection = true,
+};
+
 static inline struct binderfs_info *BINDERFS_SB(const struct super_block *sb)
 {
 	return sb->s_fs_info;
@@ -581,9 +589,37 @@
 	return dentry;
 }
 
+static int binder_features_show(struct seq_file *m, void *unused)
+{
+	bool *feature = m->private;
+
+	seq_printf(m, "%d\n", *feature);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(binder_features);
+
+static int init_binder_features(struct super_block *sb)
+{
+	struct dentry *dentry, *dir;
+
+	dir = binderfs_create_dir(sb->s_root, "features");
+	if (IS_ERR(dir))
+		return PTR_ERR(dir);
+
+	dentry = binderfs_create_file(dir, "oneway_spam_detection",
+				      &binder_features_fops,
+				      &binder_features.oneway_spam_detection);
+	if (IS_ERR(dentry))
+		return PTR_ERR(dentry);
+
+	return 0;
+}
+
 static int init_binder_logs(struct super_block *sb)
 {
 	struct dentry *binder_logs_root_dir, *dentry, *proc_log_dir;
+	const struct binder_debugfs_entry *db_entry;
 	struct binderfs_info *info;
 	int ret = 0;
 
@@ -594,43 +630,15 @@
 		goto out;
 	}
 
-	dentry = binderfs_create_file(binder_logs_root_dir, "stats",
-				      &binder_stats_fops, NULL);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto out;
-	}
-
-	dentry = binderfs_create_file(binder_logs_root_dir, "state",
-				      &binder_state_fops, NULL);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto out;
-	}
-
-	dentry = binderfs_create_file(binder_logs_root_dir, "transactions",
-				      &binder_transactions_fops, NULL);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto out;
-	}
-
-	dentry = binderfs_create_file(binder_logs_root_dir,
-				      "transaction_log",
-				      &binder_transaction_log_fops,
-				      &binder_transaction_log);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto out;
-	}
-
-	dentry = binderfs_create_file(binder_logs_root_dir,
-				      "failed_transaction_log",
-				      &binder_transaction_log_fops,
-				      &binder_transaction_log_failed);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto out;
+	binder_for_each_debugfs_entry(db_entry) {
+		dentry = binderfs_create_file(binder_logs_root_dir,
+					      db_entry->name,
+					      db_entry->fops,
+					      db_entry->data);
+		if (IS_ERR(dentry)) {
+			ret = PTR_ERR(dentry);
+			goto out;
+		}
 	}
 
 	proc_log_dir = binderfs_create_dir(binder_logs_root_dir, "proc");
@@ -721,6 +729,10 @@
 			name++;
 	}
 
+	ret = init_binder_features(sb);
+	if (ret)
+		return ret;
+
 	if (info->mount_opts.stats_mode == binderfs_stats_mode_global)
 		return init_binder_logs(sb);
 
diff --git a/drivers/android/debug_symbols.c b/drivers/android/debug_symbols.c
new file mode 100644
index 0000000..f2a5a06
--- /dev/null
+++ b/drivers/android/debug_symbols.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/android_debug_symbols.h>
+#include <asm/stacktrace.h>
+#include <asm/sections.h>
+
+#include <linux/cma.h>
+#include "../../mm/slab.h"
+#include <linux/memblock.h>
+#include <linux/page_owner.h>
+#include <linux/swap.h>
+#include <linux/mm.h>
+#include <linux/security.h>
+
+struct ads_entry {
+	char *name;
+	void *addr;
+};
+
+#define _ADS_ENTRY(index, symbol)			\
+	[index] = { .name = #symbol, .addr = (void *)symbol }
+#define ADS_ENTRY(index, symbol) _ADS_ENTRY(index, symbol)
+
+#define _ADS_PER_CPU_ENTRY(index, symbol)			\
+	[index] = { .name = #symbol, .addr = (void *)&symbol }
+#define ADS_PER_CPU_ENTRY(index, symbol) _ADS_PER_CPU_ENTRY(index, symbol)
+
+/*
+ * This module maintains static array of symbol and address information.
+ * Add all required core kernel symbols and their addresses into ads_entries[] array,
+ * so that vendor modules can query and to find address of non-exported symbol.
+ */
+static const struct ads_entry ads_entries[ADS_END] = {
+	ADS_ENTRY(ADS_SDATA, _sdata),
+	ADS_ENTRY(ADS_BSS_END, __bss_stop),
+	ADS_ENTRY(ADS_PER_CPU_START, __per_cpu_start),
+	ADS_ENTRY(ADS_PER_CPU_END, __per_cpu_end),
+	ADS_ENTRY(ADS_START_RO_AFTER_INIT, __start_ro_after_init),
+	ADS_ENTRY(ADS_END_RO_AFTER_INIT, __end_ro_after_init),
+	ADS_ENTRY(ADS_LINUX_BANNER, linux_banner),
+#ifdef CONFIG_CMA
+	ADS_ENTRY(ADS_TOTAL_CMA, &totalcma_pages),
+#endif
+	ADS_ENTRY(ADS_SLAB_CACHES, &slab_caches),
+	ADS_ENTRY(ADS_SLAB_MUTEX, &slab_mutex),
+	ADS_ENTRY(ADS_MIN_LOW_PFN, &min_low_pfn),
+	ADS_ENTRY(ADS_MAX_PFN, &max_pfn),
+#ifdef CONFIG_PAGE_OWNER
+	ADS_ENTRY(ADS_PAGE_OWNER_ENABLED, &page_owner_enabled),
+#endif
+#ifdef CONFIG_SLUB_DEBUG
+	ADS_ENTRY(ADS_SLUB_DEBUG, &slub_debug),
+#endif
+#ifdef CONFIG_SWAP
+	ADS_ENTRY(ADS_NR_SWAP_PAGES, &nr_swap_pages),
+#endif
+#ifdef CONFIG_MMU
+	ADS_ENTRY(ADS_MMAP_MIN_ADDR, &mmap_min_addr),
+#endif
+	ADS_ENTRY(ADS_STACK_GUARD_GAP, &stack_guard_gap),
+#ifdef CONFIG_SYSCTL
+	ADS_ENTRY(ADS_SYSCTL_LEGACY_VA_LAYOUT, &sysctl_legacy_va_layout),
+#endif
+	ADS_ENTRY(ADS_SHOW_MEM, show_mem),
+};
+
+/*
+ * ads_per_cpu_entries array contains all the per_cpu variable address information.
+ */
+static const struct ads_entry ads_per_cpu_entries[ADS_DEBUG_PER_CPU_END] = {
+#ifdef CONFIG_ARM64
+	ADS_PER_CPU_ENTRY(ADS_IRQ_STACK_PTR, irq_stack_ptr),
+#endif
+#ifdef CONFIG_X86
+	ADS_PER_CPU_ENTRY(ADS_IRQ_STACK_PTR, hardirq_stack_ptr),
+#endif
+};
+
+/*
+ * android_debug_symbol - Provide address inforamtion of debug symbol.
+ * @symbol: Index of debug symbol array.
+ *
+ * Return address of core kernel symbol on success and a negative errno will be
+ * returned in error cases.
+ *
+ */
+void *android_debug_symbol(enum android_debug_symbol symbol)
+{
+	if (symbol >= ADS_END)
+		return ERR_PTR(-EINVAL);
+
+	return ads_entries[symbol].addr;
+}
+EXPORT_SYMBOL_GPL(android_debug_symbol);
+
+/*
+ * android_debug_per_cpu_symbol - Provide address inforamtion of per cpu debug symbol.
+ * @symbol: Index of per cpu debug symbol array.
+ *
+ * Return address of core kernel symbol on success and a negative errno will be
+ * returned in error cases.
+ *
+ */
+void *android_debug_per_cpu_symbol(enum android_debug_per_cpu_symbol symbol)
+{
+	if (symbol >= ADS_DEBUG_PER_CPU_END)
+		return ERR_PTR(-EINVAL);
+
+	return ads_per_cpu_entries[symbol].addr;
+}
+EXPORT_SYMBOL_GPL(android_debug_per_cpu_symbol);
+
+static int __init debug_symbol_init(void)
+{
+	return 0;
+}
+module_init(debug_symbol_init);
+
+static void __exit debug_symbol_exit(void)
+{ }
+module_exit(debug_symbol_exit);
+
+MODULE_DESCRIPTION("Debug Symbol Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c
new file mode 100644
index 0000000..f87ac5a
--- /dev/null
+++ b/drivers/android/vendor_hooks.c
@@ -0,0 +1,432 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* vendor_hook.c
+ *
+ * Android Vendor Hook Support
+ *
+ * Copyright 2020 Google LLC
+ */
+#ifndef __GENKSYMS__
+#include <uapi/linux/hdreg.h>
+#include <net/addrconf.h>
+#include <linux/fsverity.h>
+#include <linux/ipc_namespace.h>
+#include <linux/key-type.h>
+#include <linux/mtd/mtd.h>
+#include <linux/pr.h>
+#include <linux/time_namespace.h>
+#include <net/macsec.h>
+#include <net/netfilter/nf_log.h>
+#include <net/raw.h>
+#include <net/smc.h>
+#include <../drivers/net/wireless/intel/ipw2x00/libipw.h>
+#include <../fs/mount.h>
+#include <../fs/kernfs/kernfs-internal.h>
+#include <../kernel/audit.h>
+#include <../net/can/af_can.h>
+#include <../net/tipc/bearer.h>
+#include <../net/xdp/xsk_queue.h>
+#include <../security/keys/internal.h>
+#endif
+
+#define CREATE_TRACE_POINTS
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/tracepoint.h>
+#include <trace/hooks/sched.h>
+#include <trace/hooks/cpu.h>
+#include <trace/hooks/binder.h>
+#include <trace/hooks/rwsem.h>
+#include <trace/hooks/futex.h>
+#include <trace/hooks/dtask.h>
+#include <trace/hooks/cpuidle.h>
+#include <trace/hooks/topology.h>
+#include <trace/hooks/mpam.h>
+#include <trace/hooks/gic.h>
+#include <trace/hooks/wqlockup.h>
+#include <trace/hooks/debug.h>
+#include <trace/hooks/sysrqcrash.h>
+#include <trace/hooks/printk.h>
+#include <trace/hooks/gic_v3.h>
+#include <trace/hooks/epoch.h>
+#include <trace/hooks/cpufreq.h>
+#include <trace/hooks/fs.h>
+#include <trace/hooks/i2c.h>
+#include <trace/hooks/mm.h>
+#include <trace/hooks/preemptirq.h>
+#include <trace/hooks/ftrace_dump.h>
+#include <trace/hooks/pm_domain.h>
+#include <trace/hooks/bug.h>
+#include <trace/hooks/timer.h>
+#include <trace/hooks/softlockup.h>
+#include <trace/hooks/power.h>
+#include <trace/hooks/fault.h>
+#include <trace/hooks/iommu.h>
+#include <trace/hooks/thermal.h>
+#include <trace/hooks/ufshcd.h>
+#include <trace/hooks/buffer.h>
+#ifdef __GENKSYMS__
+#include <trace/hooks/cgroup.h>
+#endif
+#include <trace/hooks/workqueue.h>
+#include <trace/hooks/sys.h>
+#include <trace/hooks/traps.h>
+#include <trace/hooks/avc.h>
+#include <trace/hooks/creds.h>
+#include <trace/hooks/memory.h>
+#include <trace/hooks/typec.h>
+#include <trace/hooks/gpiolib.h>
+#include <trace/hooks/signal.h>
+#include <trace/hooks/logbuf.h>
+#include <trace/hooks/vmscan.h>
+#include <trace/hooks/psi.h>
+#include <trace/hooks/selinux.h>
+#include <trace/hooks/hung_task.h>
+#include <trace/hooks/mmc_core.h>
+#include <trace/hooks/v4l2core.h>
+#include <trace/hooks/v4l2mc.h>
+#include <trace/hooks/scmi.h>
+#include <trace/hooks/user.h>
+#include <trace/hooks/cpuidle_psci.h>
+#include <trace/hooks/fips140.h>
+#include <trace/hooks/remoteproc.h>
+#include <trace/hooks/shmem_fs.h>
+#include <trace/hooks/net.h>
+#include <trace/hooks/syscall_check.h>
+#include <trace/hooks/usb.h>
+#include <trace/hooks/ipv6.h>
+#include <trace/hooks/sound.h>
+#include <trace/hooks/snd_compr.h>
+#include <trace/hooks/gup.h>
+#include <trace/hooks/pci.h>
+#include <trace/hooks/suspend.h>
+#include <trace/hooks/dmabuf.h>
+
+/*
+ * Export tracepoints that act as a bare tracehook (ie: have no trace event
+ * associated with them) to allow external modules to probe them.
+ */
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_task_rq_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_task_rq_rt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_task_rq_dl);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_fallback_rq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_scheduler_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_enqueue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_can_migrate_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_lowest_rq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_rtmutex_prepare_setprio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_prepare_prio_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_finish_prio_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_user_nice);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_setscheduler);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sk_alloc);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sk_free);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_nf_conn_alloc);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_nf_conn_free);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_arch_set_freq_scale);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_transaction_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_priority_skip);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_set_priority);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_restore_priority);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_wakeup_ilocked);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_send_sig_info);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_process_killed);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_wake);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_finished);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_rwsem_list_add);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_futex_plist_add);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rtmutex_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rtmutex_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_read_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_read_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sched_show_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shmem_alloc_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_idle_enter);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_idle_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mpam_set);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_busiest_group);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_gic_resume);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_wq_lockup_pool);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ipi_stop);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sysrq_crash);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dump_throttled_rt_tasks);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_printk_hotplug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_jiffies_update);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gic_v3_set_affinity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_gic_v3_affinity_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_suspend_epoch_val);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_resume_epoch_val);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_max_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_table_limits);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_resolve_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_fast_switch);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_target);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_newidle_balance);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_nohz_balancer_kick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_rebalance_domains);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_busiest_queue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_migrate_queued_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_resume_cpus);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_energy_efficient_cpu);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_iowait);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_overutilized);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_setaffinity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_cpus_allowed);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_skip_swapcache_flags);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_gfp_zone_flags);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_readahead_gfp_mask);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_preempt_disable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_preempt_enable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_irqs_disable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_irqs_enable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_task_cpu);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_wake_up_new_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_schedule);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_build_perf_domains);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_misfit_status);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_attach);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_can_attach);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_online);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_fork_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_ttwu_cond);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_schedule_bug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_exec);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_oops_enter);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_oops_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_size_check);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_format_check);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_dump_buffer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_allow_domain_state);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_map_util_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_update_next_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sugov_get_util);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_report_bug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_em_cpu_energy);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_up);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_down);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_balance_rt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_timer_calc_index);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_watchdog_timer_softlockup);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_freeze_todo);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_freeze_todo_logging);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_freeze_todo_unfrozen);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_task_idle);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_die_kernel_fault);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sea);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_mem_abort);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sp_pc_abort);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_iommu_setup_dma_ops);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_alloc_iova);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_free_iova);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_pick_next_entity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_check_preempt_wakeup);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_busy_info);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_calc_alloc_flags);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_compaction_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_compaction_end);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rmqueue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_pagevec_drain);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_pagecache_get_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_filemap_fault_get_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_filemap_fault_cache_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_enable_thermal_genl_check);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_thermal_pm_notify_suspend);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_fill_prdt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_ufs_complete_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_ufs_reprogram_all_keys);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_prepare_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_update_sysfs);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_send_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_compl_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_send_uic_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_send_tm_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_check_int_errors);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_update_sdev);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_clock_scaling);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_wake_up_sync);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_wake_flags);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_uclamp_eff_get);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_uclamp_task_util);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_uclamp_rq_util_with);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpufreq_transition);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_syscall_prctl_finished);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_create_worker);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_check_preempt_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_check_preempt_wakeup_ignore);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_replace_next_task_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sched_yield);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_wait_for_work);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sync_txn_recvd);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_build_sched_domains);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_mutex_list_add);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_unlock_slowpath);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_wake_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_undefinstr);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_bad_mode);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_arm64_serror_panic);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_insert);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_node_delete);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_node_replace);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_lookup);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_commit_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exit_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_override_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_revert_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_x);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_nx);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_ro);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_rw);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_util_est_update);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_uclamp_validate);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_meminfo_proc_show);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exit_mm);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_get_from_fragment_pool);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exclude_reserved_zone);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_include_reserved_zone);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_pages_slowpath);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_madvise_blk_plug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_inactive_list_blk_plug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_lruvec_blk_plug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_reclaim_pages_plug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_zap_pte_range_tlb_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_zap_pte_range_tlb_force_flush);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_zap_pte_range_tlb_end);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_bh_lru_install);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_skip_lru_disable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_adjust);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_mem);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_print_slabinfo_header);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_shrink_slab);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cache_show);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpci_override_toggling);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_chk_contaminant);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_get_vbus);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_store_partner_src_caps);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_account_task_time);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_irqtime_account_process_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_gpio_block_read);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ep_create_wakeup_source);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_timerfd_create);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_alloc_new_buf_locked);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_reply);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_trans);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_preset);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_proc_transaction);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_new_ref);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_del_ref);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_post_init_entity_util_avg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_get_timer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_adj_current_limit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_logbuf);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_logbuf_pr_cont);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_scan_type);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_swappiness);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_slab_bypass);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_psi_event);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_psi_group);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_cpus_allowed_comm);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sched_setaffinity_early);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_free_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dup_task_struct);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_after_enqueue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_after_dequeue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_enqueue_entity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_entity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_entity_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_enqueue_task_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_task_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_prepare_update_load_avg_se);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_finish_update_load_avg_se);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_is_initialized);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_inactive_ratio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_update_topology_flags_workfn);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_of_i2c_get_board_info);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_dirty_limits);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_oom_check_panic);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_uninterruptible_tasks);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_uninterruptible_tasks_dn);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_blk_reset);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_blk_mq_rw_recovery);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sd_update_bus_speed_mode);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_attach_sd);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sdhci_get_cd);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_gpio_cd_irqt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_save_vmalloc_stack);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_stack_hash);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_save_track_hash);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_task_comm);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_acct_update_power);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_log);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_media_device_setup_link);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_clear_reserved_fmt_fields);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_fill_ext_fmtdesc);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_clear_mask_adjust);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_v4l2subdev_set_selection);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_v4l2subdev_set_fmt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_v4l2subdev_set_frame_interval);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_scmi_timeout_sync);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_new_ilb);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_uid);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_free_user);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_add_request);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_update_request);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_remove_request);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_balance_anon_file_reclaim);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_enter);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sha256);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_aes_expandkey);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_aes_encrypt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_aes_decrypt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_force_compatible_pre);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_force_compatible_post);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_print_transaction_info);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_setscheduler_uclamp);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rproc_recovery);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ptype_head);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_kfree_skb);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_mmap_file);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_file_open);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_bpf_syscall);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_usb_dev_suspend);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_usb_dev_resume);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ipv6_gen_linklocal_addr);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sound_usb_support_cpu_suspend);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_snd_compr_use_pause_in_drain);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_modify_thermal_request_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_modify_thermal_target_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_enable_thermal_power_throttle);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_thermal_power_cap);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_get_thermal_zone_device);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_modify_src_caps);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_grab_compound_head);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh___get_user_pages_remote);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_get_user_pages);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_internal_get_user_pages_fast);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_pin_user_pages);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dmabuf_heap_flags_validation);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_attach_entity_load_avg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_detach_entity_load_avg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_load_avg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_remove_entity_load_avg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_blocked_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_rt_rq_load_avg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_pci_d3_sleep);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_rq_clock_pelt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpumask_any_and_distribute);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_resume_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_resume_end);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_memcg_scan_type);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_pidfd_open);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmput);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_early_resume_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_pages_reclaim_bypass);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_pages_failure_bypass);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rebuild_root_domains_bypass);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 702b8e0..91d5727 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5318,7 +5318,7 @@
 
 	mutex_init(&ap->scsi_scan_mutex);
 	INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);
-	INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
+	INIT_DELAYED_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
 	INIT_LIST_HEAD(&ap->eh_done_q);
 	init_waitqueue_head(&ap->eh_wait_q);
 	init_completion(&ap->park_req_pending);
@@ -5947,6 +5947,7 @@
 	WARN_ON(!(ap->pflags & ATA_PFLAG_UNLOADED));
 
 	cancel_delayed_work_sync(&ap->hotplug_task);
+	cancel_delayed_work_sync(&ap->scsi_rescan_task);
 
  skip_eh:
 	/* clean up zpodd on port removal */
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 2308c2b..7564cd0 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2950,7 +2950,7 @@
 			ehc->i.flags |= ATA_EHI_SETMODE;
 
 			/* schedule the scsi_rescan_device() here */
-			schedule_work(&(ap->scsi_rescan_task));
+			schedule_delayed_work(&ap->scsi_rescan_task, 0);
 		} else if (dev->class == ATA_DEV_UNKNOWN &&
 			   ehc->tries[dev->devno] &&
 			   ata_class_enabled(ehc->classes[dev->devno])) {
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 36f32fa..e347607 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -4672,10 +4672,11 @@
 void ata_scsi_dev_rescan(struct work_struct *work)
 {
 	struct ata_port *ap =
-		container_of(work, struct ata_port, scsi_rescan_task);
+		container_of(work, struct ata_port, scsi_rescan_task.work);
 	struct ata_link *link;
 	struct ata_device *dev;
 	unsigned long flags;
+	bool delay_rescan = false;
 
 	mutex_lock(&ap->scsi_scan_mutex);
 	spin_lock_irqsave(ap->lock, flags);
@@ -4689,6 +4690,21 @@
 			if (scsi_device_get(sdev))
 				continue;
 
+			/*
+			 * If the rescan work was scheduled because of a resume
+			 * event, the port is already fully resumed, but the
+			 * SCSI device may not yet be fully resumed. In such
+			 * case, executing scsi_rescan_device() may cause a
+			 * deadlock with the PM code on device_lock(). Prevent
+			 * this by giving up and retrying rescan after a short
+			 * delay.
+			 */
+			delay_rescan = sdev->sdev_gendev.power.is_suspended;
+			if (delay_rescan) {
+				scsi_device_put(sdev);
+				break;
+			}
+
 			spin_unlock_irqrestore(ap->lock, flags);
 			scsi_rescan_device(&(sdev->sdev_gendev));
 			scsi_device_put(sdev);
@@ -4698,4 +4714,8 @@
 
 	spin_unlock_irqrestore(ap->lock, flags);
 	mutex_unlock(&ap->scsi_scan_mutex);
+
+	if (delay_rescan)
+		schedule_delayed_work(&ap->scsi_rescan_task,
+				      msecs_to_jiffies(5));
 }
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 5164792..321cb31 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -20,6 +20,7 @@
 #include <linux/percpu.h>
 #include <linux/sched.h>
 #include <linux/smp.h>
+#include <trace/hooks/topology.h>
 
 bool topology_scale_freq_invariant(void)
 {
@@ -32,6 +33,7 @@
 	return false;
 }
 DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE;
+EXPORT_PER_CPU_SYMBOL_GPL(freq_scale);
 
 void topology_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq,
 			     unsigned long max_freq)
@@ -52,11 +54,14 @@
 
 	scale = (cur_freq << SCHED_CAPACITY_SHIFT) / max_freq;
 
+	trace_android_vh_arch_set_freq_scale(cpus, cur_freq, max_freq, &scale);
+
 	for_each_cpu(i, cpus)
 		per_cpu(freq_scale, i) = scale;
 }
 
 DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;
+EXPORT_PER_CPU_SYMBOL_GPL(cpu_scale);
 
 void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)
 {
@@ -64,6 +69,7 @@
 }
 
 DEFINE_PER_CPU(unsigned long, thermal_pressure);
+EXPORT_PER_CPU_SYMBOL_GPL(thermal_pressure);
 
 void topology_set_thermal_pressure(const struct cpumask *cpus,
 			       unsigned long th_pressure)
@@ -73,6 +79,7 @@
 	for_each_cpu(cpu, cpus)
 		WRITE_ONCE(per_cpu(thermal_pressure, cpu), th_pressure);
 }
+EXPORT_SYMBOL_GPL(topology_set_thermal_pressure);
 
 static ssize_t cpu_capacity_show(struct device *dev,
 				 struct device_attribute *attr,
@@ -108,6 +115,8 @@
 subsys_initcall(register_cpu_capacity_sysctl);
 
 static int update_topology;
+bool topology_update_done;
+EXPORT_SYMBOL_GPL(topology_update_done);
 
 int topology_update_cpu_topology(void)
 {
@@ -122,6 +131,8 @@
 {
 	update_topology = 1;
 	rebuild_sched_domains();
+	topology_update_done = true;
+	trace_android_vh_update_topology_flags_workfn(NULL);
 	pr_debug("sched_domain hierarchy rebuilt, flags updated\n");
 	update_topology = 0;
 }
diff --git a/drivers/base/core.c b/drivers/base/core.c
index d98cab8..8aa031e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -27,6 +27,7 @@
 #include <linux/netdevice.h>
 #include <linux/sched/signal.h>
 #include <linux/sched/mm.h>
+#include <linux/swiotlb.h>
 #include <linux/sysfs.h>
 
 #include "base.h"
@@ -46,15 +47,123 @@
 #endif
 
 /* Device links support. */
-static LIST_HEAD(wait_for_suppliers);
-static DEFINE_MUTEX(wfs_lock);
 static LIST_HEAD(deferred_sync);
 static unsigned int defer_sync_state_count = 1;
-static unsigned int defer_fw_devlink_count;
-static LIST_HEAD(deferred_fw_devlink);
-static DEFINE_MUTEX(defer_fw_devlink_lock);
+static DEFINE_MUTEX(fwnode_link_lock);
 static bool fw_devlink_is_permissive(void);
 
+/**
+ * fwnode_link_add - Create a link between two fwnode_handles.
+ * @con: Consumer end of the link.
+ * @sup: Supplier end of the link.
+ *
+ * Create a fwnode link between fwnode handles @con and @sup. The fwnode link
+ * represents the detail that the firmware lists @sup fwnode as supplying a
+ * resource to @con.
+ *
+ * The driver core will use the fwnode link to create a device link between the
+ * two device objects corresponding to @con and @sup when they are created. The
+ * driver core will automatically delete the fwnode link between @con and @sup
+ * after doing that.
+ *
+ * Attempts to create duplicate links between the same pair of fwnode handles
+ * are ignored and there is no reference counting.
+ */
+int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup)
+{
+	struct fwnode_link *link;
+	int ret = 0;
+
+	mutex_lock(&fwnode_link_lock);
+
+	list_for_each_entry(link, &sup->consumers, s_hook)
+		if (link->consumer == con)
+			goto out;
+
+	link = kzalloc(sizeof(*link), GFP_KERNEL);
+	if (!link) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	link->supplier = sup;
+	INIT_LIST_HEAD(&link->s_hook);
+	link->consumer = con;
+	INIT_LIST_HEAD(&link->c_hook);
+
+	list_add(&link->s_hook, &sup->consumers);
+	list_add(&link->c_hook, &con->suppliers);
+out:
+	mutex_unlock(&fwnode_link_lock);
+
+	return ret;
+}
+
+/**
+ * fwnode_links_purge_suppliers - Delete all supplier links of fwnode_handle.
+ * @fwnode: fwnode whose supplier links need to be deleted
+ *
+ * Deletes all supplier links connecting directly to @fwnode.
+ */
+static void fwnode_links_purge_suppliers(struct fwnode_handle *fwnode)
+{
+	struct fwnode_link *link, *tmp;
+
+	mutex_lock(&fwnode_link_lock);
+	list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook) {
+		list_del(&link->s_hook);
+		list_del(&link->c_hook);
+		kfree(link);
+	}
+	mutex_unlock(&fwnode_link_lock);
+}
+
+/**
+ * fwnode_links_purge_consumers - Delete all consumer links of fwnode_handle.
+ * @fwnode: fwnode whose consumer links need to be deleted
+ *
+ * Deletes all consumer links connecting directly to @fwnode.
+ */
+static void fwnode_links_purge_consumers(struct fwnode_handle *fwnode)
+{
+	struct fwnode_link *link, *tmp;
+
+	mutex_lock(&fwnode_link_lock);
+	list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook) {
+		list_del(&link->s_hook);
+		list_del(&link->c_hook);
+		kfree(link);
+	}
+	mutex_unlock(&fwnode_link_lock);
+}
+
+/**
+ * fwnode_links_purge - Delete all links connected to a fwnode_handle.
+ * @fwnode: fwnode whose links needs to be deleted
+ *
+ * Deletes all links connecting directly to a fwnode.
+ */
+void fwnode_links_purge(struct fwnode_handle *fwnode)
+{
+	fwnode_links_purge_suppliers(fwnode);
+	fwnode_links_purge_consumers(fwnode);
+}
+
+static void fw_devlink_purge_absent_suppliers(struct fwnode_handle *fwnode)
+{
+	struct fwnode_handle *child;
+
+	/* Don't purge consumer links of an added child */
+	if (fwnode->dev)
+		return;
+
+	fwnode->flags |= FWNODE_FLAG_NOT_DEVICE;
+	fwnode_links_purge_consumers(fwnode);
+
+	fwnode_for_each_available_child_node(fwnode, child)
+		fw_devlink_purge_absent_suppliers(child);
+}
+
 #ifdef CONFIG_SRCU
 static DEFINE_MUTEX(device_links_lock);
 DEFINE_STATIC_SRCU(device_links_srcu);
@@ -88,6 +197,12 @@
 {
 	synchronize_srcu(&device_links_srcu);
 }
+
+static void device_link_remove_from_lists(struct device_link *link)
+{
+	list_del_rcu(&link->s_node);
+	list_del_rcu(&link->c_node);
+}
 #else /* !CONFIG_SRCU */
 static DECLARE_RWSEM(device_links_lock);
 
@@ -122,6 +237,12 @@
 static inline void device_link_synchronize_removal(void)
 {
 }
+
+static void device_link_remove_from_lists(struct device_link *link)
+{
+	list_del(&link->s_node);
+	list_del(&link->c_node);
+}
 #endif /* !CONFIG_SRCU */
 
 static bool device_is_ancestor(struct device *dev, struct device *target)
@@ -160,7 +281,8 @@
 		return ret;
 
 	list_for_each_entry(link, &dev->links.consumers, s_node) {
-		if (link->flags == (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
+		if ((link->flags & ~DL_FLAG_INFERRED) ==
+		    (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
 			continue;
 
 		if (link->consumer == target)
@@ -233,7 +355,8 @@
 
 	device_for_each_child(dev, NULL, device_reorder_to_tail);
 	list_for_each_entry(link, &dev->links.consumers, s_node) {
-		if (link->flags == (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
+		if ((link->flags & ~DL_FLAG_INFERRED) ==
+		    (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
 			continue;
 		device_reorder_to_tail(link->consumer, NULL);
 	}
@@ -483,7 +606,8 @@
 #define DL_MANAGED_LINK_FLAGS (DL_FLAG_AUTOREMOVE_CONSUMER | \
 			       DL_FLAG_AUTOREMOVE_SUPPLIER | \
 			       DL_FLAG_AUTOPROBE_CONSUMER  | \
-			       DL_FLAG_SYNC_STATE_ONLY)
+			       DL_FLAG_SYNC_STATE_ONLY | \
+			       DL_FLAG_INFERRED)
 
 #define DL_ADD_VALID_FLAGS (DL_MANAGED_LINK_FLAGS | DL_FLAG_STATELESS | \
 			    DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE)
@@ -553,7 +677,7 @@
 	    flags & ~DL_ADD_VALID_FLAGS ||
 	    (flags & DL_FLAG_STATELESS && flags & DL_MANAGED_LINK_FLAGS) ||
 	    (flags & DL_FLAG_SYNC_STATE_ONLY &&
-	     flags != DL_FLAG_SYNC_STATE_ONLY) ||
+	     (flags & ~DL_FLAG_INFERRED) != DL_FLAG_SYNC_STATE_ONLY) ||
 	    (flags & DL_FLAG_AUTOPROBE_CONSUMER &&
 	     flags & (DL_FLAG_AUTOREMOVE_CONSUMER |
 		      DL_FLAG_AUTOREMOVE_SUPPLIER)))
@@ -587,6 +711,17 @@
 	}
 
 	/*
+	 * SYNC_STATE_ONLY links are useless once a consumer device has probed.
+	 * So, only create it if the consumer hasn't probed yet.
+	 */
+	if (flags & DL_FLAG_SYNC_STATE_ONLY &&
+	    consumer->links.status != DL_DEV_NO_DRIVER &&
+	    consumer->links.status != DL_DEV_PROBING) {
+		link = NULL;
+		goto out;
+	}
+
+	/*
 	 * DL_FLAG_AUTOREMOVE_SUPPLIER indicates that the link will be needed
 	 * longer than for DL_FLAG_AUTOREMOVE_CONSUMER and setting them both
 	 * together doesn't make sense, so prefer DL_FLAG_AUTOREMOVE_SUPPLIER.
@@ -598,6 +733,10 @@
 		if (link->consumer != consumer)
 			continue;
 
+		if (link->flags & DL_FLAG_INFERRED &&
+		    !(flags & DL_FLAG_INFERRED))
+			link->flags &= ~DL_FLAG_INFERRED;
+
 		if (flags & DL_FLAG_PM_RUNTIME) {
 			if (!(link->flags & DL_FLAG_PM_RUNTIME)) {
 				pm_runtime_new_link(consumer);
@@ -727,75 +866,6 @@
 }
 EXPORT_SYMBOL_GPL(device_link_add);
 
-/**
- * device_link_wait_for_supplier - Add device to wait_for_suppliers list
- * @consumer: Consumer device
- *
- * Marks the @consumer device as waiting for suppliers to become available by
- * adding it to the wait_for_suppliers list. The consumer device will never be
- * probed until it's removed from the wait_for_suppliers list.
- *
- * The caller is responsible for adding the links to the supplier devices once
- * they are available and removing the @consumer device from the
- * wait_for_suppliers list once links to all the suppliers have been created.
- *
- * This function is NOT meant to be called from the probe function of the
- * consumer but rather from code that creates/adds the consumer device.
- */
-static void device_link_wait_for_supplier(struct device *consumer,
-					  bool need_for_probe)
-{
-	mutex_lock(&wfs_lock);
-	list_add_tail(&consumer->links.needs_suppliers, &wait_for_suppliers);
-	consumer->links.need_for_probe = need_for_probe;
-	mutex_unlock(&wfs_lock);
-}
-
-static void device_link_wait_for_mandatory_supplier(struct device *consumer)
-{
-	device_link_wait_for_supplier(consumer, true);
-}
-
-static void device_link_wait_for_optional_supplier(struct device *consumer)
-{
-	device_link_wait_for_supplier(consumer, false);
-}
-
-/**
- * device_link_add_missing_supplier_links - Add links from consumer devices to
- *					    supplier devices, leaving any
- *					    consumer with inactive suppliers on
- *					    the wait_for_suppliers list
- *
- * Loops through all consumers waiting on suppliers and tries to add all their
- * supplier links. If that succeeds, the consumer device is removed from
- * wait_for_suppliers list. Otherwise, they are left in the wait_for_suppliers
- * list.  Devices left on the wait_for_suppliers list will not be probed.
- *
- * The fwnode add_links callback is expected to return 0 if it has found and
- * added all the supplier links for the consumer device. It should return an
- * error if it isn't able to do so.
- *
- * The caller of device_link_wait_for_supplier() is expected to call this once
- * it's aware of potential suppliers becoming available.
- */
-static void device_link_add_missing_supplier_links(void)
-{
-	struct device *dev, *tmp;
-
-	mutex_lock(&wfs_lock);
-	list_for_each_entry_safe(dev, tmp, &wait_for_suppliers,
-				 links.needs_suppliers) {
-		int ret = fwnode_call_int_op(dev->fwnode, add_links, dev);
-		if (!ret)
-			list_del_init(&dev->links.needs_suppliers);
-		else if (ret != -ENODEV || fw_devlink_is_permissive())
-			dev->links.need_for_probe = false;
-	}
-	mutex_unlock(&wfs_lock);
-}
-
-#ifdef CONFIG_SRCU
 static void __device_link_del(struct kref *kref)
 {
 	struct device_link *link = container_of(kref, struct device_link, kref);
@@ -805,30 +875,16 @@
 
 	pm_runtime_drop_link(link);
 
-	list_del_rcu(&link->s_node);
-	list_del_rcu(&link->c_node);
+	device_link_remove_from_lists(link);
 	device_unregister(&link->link_dev);
 }
-#else /* !CONFIG_SRCU */
-static void __device_link_del(struct kref *kref)
-{
-	struct device_link *link = container_of(kref, struct device_link, kref);
-
-	dev_info(link->consumer, "Dropping the link to %s\n",
-		 dev_name(link->supplier));
-
-	pm_runtime_drop_link(link);
-
-	list_del(&link->s_node);
-	list_del(&link->c_node);
-	device_unregister(&link->link_dev);
-}
-#endif /* !CONFIG_SRCU */
 
 static void device_link_put_kref(struct device_link *link)
 {
 	if (link->flags & DL_FLAG_STATELESS)
 		kref_put(&link->kref, __device_link_del);
+	else if (!device_is_registered(link->consumer))
+		__device_link_del(&link->kref);
 	else
 		WARN(1, "Unable to drop a managed device link reference\n");
 }
@@ -920,13 +976,17 @@
 	 * Device waiting for supplier to become available is not allowed to
 	 * probe.
 	 */
-	mutex_lock(&wfs_lock);
-	if (!list_empty(&dev->links.needs_suppliers) &&
-	    dev->links.need_for_probe) {
-		mutex_unlock(&wfs_lock);
+	mutex_lock(&fwnode_link_lock);
+	if (dev->fwnode && !list_empty(&dev->fwnode->suppliers) &&
+	    !fw_devlink_is_permissive()) {
+		dev_dbg(dev, "probe deferral - wait for supplier %pfwP\n",
+			list_first_entry(&dev->fwnode->suppliers,
+			struct fwnode_link,
+			c_hook)->supplier);
+		mutex_unlock(&fwnode_link_lock);
 		return -EPROBE_DEFER;
 	}
-	mutex_unlock(&wfs_lock);
+	mutex_unlock(&fwnode_link_lock);
 
 	device_links_write_lock();
 
@@ -937,6 +997,8 @@
 		if (link->status != DL_STATE_AVAILABLE &&
 		    !(link->flags & DL_FLAG_SYNC_STATE_ONLY)) {
 			device_links_missing_supplier(dev);
+			dev_dbg(dev, "probe deferral - supplier %s not ready\n",
+				dev_name(link->supplier));
 			ret = -EPROBE_DEFER;
 			break;
 		}
@@ -990,11 +1052,11 @@
 	 */
 	dev->state_synced = true;
 
-	if (WARN_ON(!list_empty(&dev->links.defer_hook)))
+	if (WARN_ON(!list_empty(&dev->links.defer_sync)))
 		return;
 
 	get_device(dev);
-	list_add_tail(&dev->links.defer_hook, list);
+	list_add_tail(&dev->links.defer_sync, list);
 }
 
 /**
@@ -1012,8 +1074,8 @@
 {
 	struct device *dev, *tmp;
 
-	list_for_each_entry_safe(dev, tmp, list, links.defer_hook) {
-		list_del_init(&dev->links.defer_hook);
+	list_for_each_entry_safe(dev, tmp, list, links.defer_sync) {
+		list_del_init(&dev->links.defer_sync);
 
 		if (dev != dont_lock_dev)
 			device_lock(dev);
@@ -1051,12 +1113,12 @@
 	if (defer_sync_state_count)
 		goto out;
 
-	list_for_each_entry_safe(dev, tmp, &deferred_sync, links.defer_hook) {
+	list_for_each_entry_safe(dev, tmp, &deferred_sync, links.defer_sync) {
 		/*
 		 * Delete from deferred_sync list before queuing it to
-		 * sync_list because defer_hook is used for both lists.
+		 * sync_list because defer_sync is used for both lists.
 		 */
-		list_del_init(&dev->links.defer_hook);
+		list_del_init(&dev->links.defer_sync);
 		__device_links_queue_sync_state(dev, &sync_list);
 	}
 out:
@@ -1074,8 +1136,8 @@
 
 static void __device_links_supplier_defer_sync(struct device *sup)
 {
-	if (list_empty(&sup->links.defer_hook) && dev_has_sync_state(sup))
-		list_add_tail(&sup->links.defer_hook, &deferred_sync);
+	if (list_empty(&sup->links.defer_sync) && dev_has_sync_state(sup))
+		list_add_tail(&sup->links.defer_sync, &deferred_sync);
 }
 
 static void device_link_drop_managed(struct device_link *link)
@@ -1092,10 +1154,7 @@
 	bool val;
 
 	device_lock(dev);
-	mutex_lock(&wfs_lock);
-	val = !list_empty(&dev->links.needs_suppliers)
-	      && dev->links.need_for_probe;
-	mutex_unlock(&wfs_lock);
+	val = !list_empty(&dev->fwnode->suppliers);
 	device_unlock(dev);
 	return sysfs_emit(buf, "%u\n", val);
 }
@@ -1118,13 +1177,22 @@
 	LIST_HEAD(sync_list);
 
 	/*
-	 * If a device probes successfully, it's expected to have created all
+	 * If a device binds successfully, it's expected to have created all
 	 * the device links it needs to or make new device links as it needs
-	 * them. So, it no longer needs to wait on any suppliers.
+	 * them. So, fw_devlink no longer needs to create device links to any
+	 * of the device's suppliers.
+	 *
+	 * Also, if a child firmware node of this bound device is not added as
+	 * a device by now, assume it is never going to be added and make sure
+	 * other devices don't defer probe indefinitely by waiting for such a
+	 * child device.
 	 */
-	mutex_lock(&wfs_lock);
-	list_del_init(&dev->links.needs_suppliers);
-	mutex_unlock(&wfs_lock);
+	if (dev->fwnode && dev->fwnode->dev == dev) {
+		struct fwnode_handle *child;
+		fwnode_links_purge_suppliers(dev->fwnode);
+		fwnode_for_each_available_child_node(dev->fwnode, child)
+			fw_devlink_purge_absent_suppliers(child);
+	}
 	device_remove_file(dev, &dev_attr_waiting_for_supplier);
 
 	device_links_write_lock();
@@ -1305,7 +1373,7 @@
 		WRITE_ONCE(link->status, DL_STATE_DORMANT);
 	}
 
-	list_del_init(&dev->links.defer_hook);
+	list_del_init(&dev->links.defer_sync);
 	__device_links_no_driver(dev);
 
 	device_links_write_unlock();
@@ -1415,10 +1483,6 @@
 	if (dev->class == &devlink_class)
 		return;
 
-	mutex_lock(&wfs_lock);
-	list_del_init(&dev->links.needs_suppliers);
-	mutex_unlock(&wfs_lock);
-
 	/*
 	 * Delete all of the remaining links from this device to any other
 	 * devices (either consumers or suppliers).
@@ -1439,7 +1503,14 @@
 	device_links_write_unlock();
 }
 
-static u32 fw_devlink_flags = DL_FLAG_SYNC_STATE_ONLY;
+#define FW_DEVLINK_FLAGS_PERMISSIVE	(DL_FLAG_INFERRED | \
+					 DL_FLAG_SYNC_STATE_ONLY)
+#define FW_DEVLINK_FLAGS_ON		(DL_FLAG_INFERRED | \
+					 DL_FLAG_AUTOPROBE_CONSUMER)
+#define FW_DEVLINK_FLAGS_RPM		(FW_DEVLINK_FLAGS_ON | \
+					 DL_FLAG_PM_RUNTIME)
+
+static u32 fw_devlink_flags = FW_DEVLINK_FLAGS_ON;
 static int __init fw_devlink_setup(char *arg)
 {
 	if (!arg)
@@ -1448,17 +1519,23 @@
 	if (strcmp(arg, "off") == 0) {
 		fw_devlink_flags = 0;
 	} else if (strcmp(arg, "permissive") == 0) {
-		fw_devlink_flags = DL_FLAG_SYNC_STATE_ONLY;
+		fw_devlink_flags = FW_DEVLINK_FLAGS_PERMISSIVE;
 	} else if (strcmp(arg, "on") == 0) {
-		fw_devlink_flags = DL_FLAG_AUTOPROBE_CONSUMER;
+		fw_devlink_flags = FW_DEVLINK_FLAGS_ON;
 	} else if (strcmp(arg, "rpm") == 0) {
-		fw_devlink_flags = DL_FLAG_AUTOPROBE_CONSUMER |
-				   DL_FLAG_PM_RUNTIME;
+		fw_devlink_flags = FW_DEVLINK_FLAGS_RPM;
 	}
 	return 0;
 }
 early_param("fw_devlink", fw_devlink_setup);
 
+static bool fw_devlink_strict = true;
+static int __init fw_devlink_strict_setup(char *arg)
+{
+	return strtobool(arg, &fw_devlink_strict);
+}
+early_param("fw_devlink.strict", fw_devlink_strict_setup);
+
 u32 fw_devlink_get_flags(void)
 {
 	return fw_devlink_flags;
@@ -1466,142 +1543,353 @@
 
 static bool fw_devlink_is_permissive(void)
 {
-	return fw_devlink_flags == DL_FLAG_SYNC_STATE_ONLY;
+	return fw_devlink_flags == FW_DEVLINK_FLAGS_PERMISSIVE;
+}
+
+bool fw_devlink_is_strict(void)
+{
+	return fw_devlink_strict && !fw_devlink_is_permissive();
+}
+
+static void fw_devlink_parse_fwnode(struct fwnode_handle *fwnode)
+{
+	if (fwnode->flags & FWNODE_FLAG_LINKS_ADDED)
+		return;
+
+	fwnode_call_int_op(fwnode, add_links);
+	fwnode->flags |= FWNODE_FLAG_LINKS_ADDED;
+}
+
+static void fw_devlink_parse_fwtree(struct fwnode_handle *fwnode)
+{
+	struct fwnode_handle *child = NULL;
+
+	fw_devlink_parse_fwnode(fwnode);
+
+	while ((child = fwnode_get_next_available_child_node(fwnode, child)))
+		fw_devlink_parse_fwtree(child);
+}
+
+/**
+ * fw_devlink_relax_cycle - Convert cyclic links to SYNC_STATE_ONLY links
+ * @con: Device to check dependencies for.
+ * @sup: Device to check against.
+ *
+ * Check if @sup depends on @con or any device dependent on it (its child or
+ * its consumer etc).  When such a cyclic dependency is found, convert all
+ * device links created solely by fw_devlink into SYNC_STATE_ONLY device links.
+ * This is the equivalent of doing fw_devlink=permissive just between the
+ * devices in the cycle. We need to do this because, at this point, fw_devlink
+ * can't tell which of these dependencies is not a real dependency.
+ *
+ * Return 1 if a cycle is found. Otherwise, return 0.
+ */
+int fw_devlink_relax_cycle(struct device *con, void *sup)
+{
+	struct device_link *link;
+	int ret;
+
+	if (con == sup)
+		return 1;
+
+	ret = device_for_each_child(con, sup, fw_devlink_relax_cycle);
+	if (ret)
+		return ret;
+
+	list_for_each_entry(link, &con->links.consumers, s_node) {
+		if ((link->flags & ~DL_FLAG_INFERRED) ==
+		    (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
+			continue;
+
+		if (!fw_devlink_relax_cycle(link->consumer, sup))
+			continue;
+
+		ret = 1;
+
+		if (!(link->flags & DL_FLAG_INFERRED))
+			continue;
+
+		pm_runtime_drop_link(link);
+		link->flags = DL_FLAG_MANAGED | FW_DEVLINK_FLAGS_PERMISSIVE;
+		dev_dbg(link->consumer, "Relaxing link with %s\n",
+			dev_name(link->supplier));
+	}
+	return ret;
+}
+
+/**
+ * fw_devlink_create_devlink - Create a device link from a consumer to fwnode
+ * @con - Consumer device for the device link
+ * @sup_handle - fwnode handle of supplier
+ *
+ * This function will try to create a device link between the consumer device
+ * @con and the supplier device represented by @sup_handle.
+ *
+ * The supplier has to be provided as a fwnode because incorrect cycles in
+ * fwnode links can sometimes cause the supplier device to never be created.
+ * This function detects such cases and returns an error if it cannot create a
+ * device link from the consumer to a missing supplier.
+ *
+ * Returns,
+ * 0 on successfully creating a device link
+ * -EINVAL if the device link cannot be created as expected
+ * -EAGAIN if the device link cannot be created right now, but it may be
+ *  possible to do that in the future
+ */
+static int fw_devlink_create_devlink(struct device *con,
+				     struct fwnode_handle *sup_handle, u32 flags)
+{
+	struct device *sup_dev;
+	int ret = 0;
+
+	sup_dev = get_dev_from_fwnode(sup_handle);
+	if (sup_dev) {
+		/*
+		 * If it's one of those drivers that don't actually bind to
+		 * their device using driver core, then don't wait on this
+		 * supplier device indefinitely.
+		 */
+		if (sup_dev->links.status == DL_DEV_NO_DRIVER &&
+		    sup_handle->flags & FWNODE_FLAG_INITIALIZED) {
+			ret = -EINVAL;
+			goto out;
+		}
+
+		/*
+		 * If this fails, it is due to cycles in device links.  Just
+		 * give up on this link and treat it as invalid.
+		 */
+		if (!device_link_add(con, sup_dev, flags) &&
+		    !(flags & DL_FLAG_SYNC_STATE_ONLY)) {
+			dev_info(con, "Fixing up cyclic dependency with %s\n",
+				 dev_name(sup_dev));
+			device_links_write_lock();
+			fw_devlink_relax_cycle(con, sup_dev);
+			device_links_write_unlock();
+			device_link_add(con, sup_dev,
+					FW_DEVLINK_FLAGS_PERMISSIVE);
+			ret = -EINVAL;
+		}
+
+		goto out;
+	}
+
+	/* Supplier that's already initialized without a struct device. */
+	if (sup_handle->flags & FWNODE_FLAG_INITIALIZED)
+		return -EINVAL;
+
+	/*
+	 * DL_FLAG_SYNC_STATE_ONLY doesn't block probing and supports
+	 * cycles. So cycle detection isn't necessary and shouldn't be
+	 * done.
+	 */
+	if (flags & DL_FLAG_SYNC_STATE_ONLY)
+		return -EAGAIN;
+
+	/*
+	 * If we can't find the supplier device from its fwnode, it might be
+	 * due to a cyclic dependency between fwnodes. Some of these cycles can
+	 * be broken by applying logic. Check for these types of cycles and
+	 * break them so that devices in the cycle probe properly.
+	 *
+	 * If the supplier's parent is dependent on the consumer, then the
+	 * consumer and supplier have a cyclic dependency. Since fw_devlink
+	 * can't tell which of the inferred dependencies are incorrect, don't
+	 * enforce probe ordering between any of the devices in this cyclic
+	 * dependency. Do this by relaxing all the fw_devlink device links in
+	 * this cycle and by treating the fwnode link between the consumer and
+	 * the supplier as an invalid dependency.
+	 */
+	sup_dev = fwnode_get_next_parent_dev(sup_handle);
+	if (sup_dev && device_is_dependent(con, sup_dev)) {
+		dev_info(con, "Fixing up cyclic dependency with %pfwP (%s)\n",
+			 sup_handle, dev_name(sup_dev));
+		device_links_write_lock();
+		fw_devlink_relax_cycle(con, sup_dev);
+		device_links_write_unlock();
+		ret = -EINVAL;
+	} else {
+		/*
+		 * Can't check for cycles or no cycles. So let's try
+		 * again later.
+		 */
+		ret = -EAGAIN;
+	}
+
+out:
+	put_device(sup_dev);
+	return ret;
+}
+
+/**
+ * __fw_devlink_link_to_consumers - Create device links to consumers of a device
+ * @dev - Device that needs to be linked to its consumers
+ *
+ * This function looks at all the consumer fwnodes of @dev and creates device
+ * links between the consumer device and @dev (supplier).
+ *
+ * If the consumer device has not been added yet, then this function creates a
+ * SYNC_STATE_ONLY link between @dev (supplier) and the closest ancestor device
+ * of the consumer fwnode. This is necessary to make sure @dev doesn't get a
+ * sync_state() callback before the real consumer device gets to be added and
+ * then probed.
+ *
+ * Once device links are created from the real consumer to @dev (supplier), the
+ * fwnode links are deleted.
+ */
+static void __fw_devlink_link_to_consumers(struct device *dev)
+{
+	struct fwnode_handle *fwnode = dev->fwnode;
+	struct fwnode_link *link, *tmp;
+
+	list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook) {
+		u32 dl_flags = fw_devlink_get_flags();
+		struct device *con_dev;
+		bool own_link = true;
+		int ret;
+
+		con_dev = get_dev_from_fwnode(link->consumer);
+		/*
+		 * If consumer device is not available yet, make a "proxy"
+		 * SYNC_STATE_ONLY link from the consumer's parent device to
+		 * the supplier device. This is necessary to make sure the
+		 * supplier doesn't get a sync_state() callback before the real
+		 * consumer can create a device link to the supplier.
+		 *
+		 * This proxy link step is needed to handle the case where the
+		 * consumer's parent device is added before the supplier.
+		 */
+		if (!con_dev) {
+			con_dev = fwnode_get_next_parent_dev(link->consumer);
+			/*
+			 * However, if the consumer's parent device is also the
+			 * parent of the supplier, don't create a
+			 * consumer-supplier link from the parent to its child
+			 * device. Such a dependency is impossible.
+			 */
+			if (con_dev &&
+			    fwnode_is_ancestor_of(con_dev->fwnode, fwnode)) {
+				put_device(con_dev);
+				con_dev = NULL;
+			} else {
+				own_link = false;
+				dl_flags = FW_DEVLINK_FLAGS_PERMISSIVE;
+			}
+		}
+
+		if (!con_dev)
+			continue;
+
+		ret = fw_devlink_create_devlink(con_dev, fwnode, dl_flags);
+		put_device(con_dev);
+		if (!own_link || ret == -EAGAIN)
+			continue;
+
+		list_del(&link->s_hook);
+		list_del(&link->c_hook);
+		kfree(link);
+	}
+}
+
+/**
+ * __fw_devlink_link_to_suppliers - Create device links to suppliers of a device
+ * @dev - The consumer device that needs to be linked to its suppliers
+ * @fwnode - Root of the fwnode tree that is used to create device links
+ *
+ * This function looks at all the supplier fwnodes of fwnode tree rooted at
+ * @fwnode and creates device links between @dev (consumer) and all the
+ * supplier devices of the entire fwnode tree at @fwnode.
+ *
+ * The function creates normal (non-SYNC_STATE_ONLY) device links between @dev
+ * and the real suppliers of @dev. Once these device links are created, the
+ * fwnode links are deleted. When such device links are successfully created,
+ * this function is called recursively on those supplier devices. This is
+ * needed to detect and break some invalid cycles in fwnode links.  See
+ * fw_devlink_create_devlink() for more details.
+ *
+ * In addition, it also looks at all the suppliers of the entire fwnode tree
+ * because some of the child devices of @dev that have not been added yet
+ * (because @dev hasn't probed) might already have their suppliers added to
+ * driver core. So, this function creates SYNC_STATE_ONLY device links between
+ * @dev (consumer) and these suppliers to make sure they don't execute their
+ * sync_state() callbacks before these child devices have a chance to create
+ * their device links. The fwnode links that correspond to the child devices
+ * aren't delete because they are needed later to create the device links
+ * between the real consumer and supplier devices.
+ */
+static void __fw_devlink_link_to_suppliers(struct device *dev,
+					   struct fwnode_handle *fwnode)
+{
+	bool own_link = (dev->fwnode == fwnode);
+	struct fwnode_link *link, *tmp;
+	struct fwnode_handle *child = NULL;
+	u32 dl_flags;
+
+	if (own_link)
+		dl_flags = fw_devlink_get_flags();
+	else
+		dl_flags = FW_DEVLINK_FLAGS_PERMISSIVE;
+
+	list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook) {
+		int ret;
+		struct device *sup_dev;
+		struct fwnode_handle *sup = link->supplier;
+
+		ret = fw_devlink_create_devlink(dev, sup, dl_flags);
+		if (!own_link || ret == -EAGAIN)
+			continue;
+
+		list_del(&link->s_hook);
+		list_del(&link->c_hook);
+		kfree(link);
+
+		/* If no device link was created, nothing more to do. */
+		if (ret)
+			continue;
+
+		/*
+		 * If a device link was successfully created to a supplier, we
+		 * now need to try and link the supplier to all its suppliers.
+		 *
+		 * This is needed to detect and delete false dependencies in
+		 * fwnode links that haven't been converted to a device link
+		 * yet. See comments in fw_devlink_create_devlink() for more
+		 * details on the false dependency.
+		 *
+		 * Without deleting these false dependencies, some devices will
+		 * never probe because they'll keep waiting for their false
+		 * dependency fwnode links to be converted to device links.
+		 */
+		sup_dev = get_dev_from_fwnode(sup);
+		__fw_devlink_link_to_suppliers(sup_dev, sup_dev->fwnode);
+		put_device(sup_dev);
+	}
+
+	/*
+	 * Make "proxy" SYNC_STATE_ONLY device links to represent the needs of
+	 * all the descendants. This proxy link step is needed to handle the
+	 * case where the supplier is added before the consumer's parent device
+	 * (@dev).
+	 */
+	while ((child = fwnode_get_next_available_child_node(fwnode, child)))
+		__fw_devlink_link_to_suppliers(dev, child);
 }
 
 static void fw_devlink_link_device(struct device *dev)
 {
-	int fw_ret;
+	struct fwnode_handle *fwnode = dev->fwnode;
 
 	if (!fw_devlink_flags)
 		return;
 
-	mutex_lock(&defer_fw_devlink_lock);
-	if (!defer_fw_devlink_count)
-		device_link_add_missing_supplier_links();
+	fw_devlink_parse_fwtree(fwnode);
 
-	/*
-	 * The device's fwnode not having add_links() doesn't affect if other
-	 * consumers can find this device as a supplier.  So, this check is
-	 * intentionally placed after device_link_add_missing_supplier_links().
-	 */
-	if (!fwnode_has_op(dev->fwnode, add_links))
-		goto out;
-
-	/*
-	 * If fw_devlink is being deferred, assume all devices have mandatory
-	 * suppliers they need to link to later. Then, when the fw_devlink is
-	 * resumed, all these devices will get a chance to try and link to any
-	 * suppliers they have.
-	 */
-	if (!defer_fw_devlink_count) {
-		fw_ret = fwnode_call_int_op(dev->fwnode, add_links, dev);
-		if (fw_ret == -ENODEV && fw_devlink_is_permissive())
-			fw_ret = -EAGAIN;
-	} else {
-		fw_ret = -ENODEV;
-		/*
-		 * defer_hook is not used to add device to deferred_sync list
-		 * until device is bound. Since deferred fw devlink also blocks
-		 * probing, same list hook can be used for deferred_fw_devlink.
-		 */
-		list_add_tail(&dev->links.defer_hook, &deferred_fw_devlink);
-	}
-
-	if (fw_ret == -ENODEV)
-		device_link_wait_for_mandatory_supplier(dev);
-	else if (fw_ret)
-		device_link_wait_for_optional_supplier(dev);
-
-out:
-	mutex_unlock(&defer_fw_devlink_lock);
+	mutex_lock(&fwnode_link_lock);
+	__fw_devlink_link_to_consumers(dev);
+	__fw_devlink_link_to_suppliers(dev, fwnode);
+	mutex_unlock(&fwnode_link_lock);
 }
 
-/**
- * fw_devlink_pause - Pause parsing of fwnode to create device links
- *
- * Calling this function defers any fwnode parsing to create device links until
- * fw_devlink_resume() is called. Both these functions are ref counted and the
- * caller needs to match the calls.
- *
- * While fw_devlink is paused:
- * - Any device that is added won't have its fwnode parsed to create device
- *   links.
- * - The probe of the device will also be deferred during this period.
- * - Any devices that were already added, but waiting for suppliers won't be
- *   able to link to newly added devices.
- *
- * Once fw_devlink_resume():
- * - All the fwnodes that was not parsed will be parsed.
- * - All the devices that were deferred probing will be reattempted if they
- *   aren't waiting for any more suppliers.
- *
- * This pair of functions, is mainly meant to optimize the parsing of fwnodes
- * when a lot of devices that need to link to each other are added in a short
- * interval of time. For example, adding all the top level devices in a system.
- *
- * For example, if N devices are added and:
- * - All the consumers are added before their suppliers
- * - All the suppliers of the N devices are part of the N devices
- *
- * Then:
- *
- * - With the use of fw_devlink_pause() and fw_devlink_resume(), each device
- *   will only need one parsing of its fwnode because it is guaranteed to find
- *   all the supplier devices already registered and ready to link to. It won't
- *   have to do another pass later to find one or more suppliers it couldn't
- *   find in the first parse of the fwnode. So, we'll only need O(N) fwnode
- *   parses.
- *
- * - Without the use of fw_devlink_pause() and fw_devlink_resume(), we would
- *   end up doing O(N^2) parses of fwnodes because every device that's added is
- *   guaranteed to trigger a parse of the fwnode of every device added before
- *   it. This O(N^2) parse is made worse by the fact that when a fwnode of a
- *   device is parsed, all it descendant devices might need to have their
- *   fwnodes parsed too (even if the devices themselves aren't added).
- */
-void fw_devlink_pause(void)
-{
-	mutex_lock(&defer_fw_devlink_lock);
-	defer_fw_devlink_count++;
-	mutex_unlock(&defer_fw_devlink_lock);
-}
-
-/** fw_devlink_resume - Resume parsing of fwnode to create device links
- *
- * This function is used in conjunction with fw_devlink_pause() and is ref
- * counted. See documentation for fw_devlink_pause() for more details.
- */
-void fw_devlink_resume(void)
-{
-	struct device *dev, *tmp;
-	LIST_HEAD(probe_list);
-
-	mutex_lock(&defer_fw_devlink_lock);
-	if (!defer_fw_devlink_count) {
-		WARN(true, "Unmatched fw_devlink pause/resume!");
-		goto out;
-	}
-
-	defer_fw_devlink_count--;
-	if (defer_fw_devlink_count)
-		goto out;
-
-	device_link_add_missing_supplier_links();
-	list_splice_tail_init(&deferred_fw_devlink, &probe_list);
-out:
-	mutex_unlock(&defer_fw_devlink_lock);
-
-	/*
-	 * bus_probe_device() can cause new devices to get added and they'll
-	 * try to grab defer_fw_devlink_lock. So, this needs to be done outside
-	 * the defer_fw_devlink_lock.
-	 */
-	list_for_each_entry_safe(dev, tmp, &probe_list, links.defer_hook) {
-		list_del_init(&dev->links.defer_hook);
-		bus_probe_device(dev);
-	}
-}
 /* Device links support end. */
 
 int (*platform_notify)(struct device *dev) = NULL;
@@ -2053,25 +2341,6 @@
 }
 static DEVICE_ATTR_RW(online);
 
-static ssize_t removable_show(struct device *dev, struct device_attribute *attr,
-			      char *buf)
-{
-	const char *loc;
-
-	switch (dev->removable) {
-	case DEVICE_REMOVABLE:
-		loc = "removable";
-		break;
-	case DEVICE_FIXED:
-		loc = "fixed";
-		break;
-	default:
-		loc = "unknown";
-	}
-	return sysfs_emit(buf, "%s\n", loc);
-}
-static DEVICE_ATTR_RO(removable);
-
 int device_add_groups(struct device *dev, const struct attribute_group **groups)
 {
 	return sysfs_create_groups(&dev->kobj, groups);
@@ -2243,22 +2512,14 @@
 			goto err_remove_dev_groups;
 	}
 
-	if (fw_devlink_flags && !fw_devlink_is_permissive()) {
+	if (fw_devlink_flags && !fw_devlink_is_permissive() && dev->fwnode) {
 		error = device_create_file(dev, &dev_attr_waiting_for_supplier);
 		if (error)
 			goto err_remove_dev_online;
 	}
 
-	if (dev_removable_is_valid(dev)) {
-		error = device_create_file(dev, &dev_attr_removable);
-		if (error)
-			goto err_remove_dev_waiting_for_supplier;
-	}
-
 	return 0;
 
- err_remove_dev_waiting_for_supplier:
-	device_remove_file(dev, &dev_attr_waiting_for_supplier);
  err_remove_dev_online:
 	device_remove_file(dev, &dev_attr_online);
  err_remove_dev_groups:
@@ -2278,7 +2539,6 @@
 	struct class *class = dev->class;
 	const struct device_type *type = dev->type;
 
-	device_remove_file(dev, &dev_attr_removable);
 	device_remove_file(dev, &dev_attr_waiting_for_supplier);
 	device_remove_file(dev, &dev_attr_online);
 	device_remove_groups(dev, dev->groups);
@@ -2484,9 +2744,11 @@
 #endif
 	INIT_LIST_HEAD(&dev->links.consumers);
 	INIT_LIST_HEAD(&dev->links.suppliers);
-	INIT_LIST_HEAD(&dev->links.needs_suppliers);
-	INIT_LIST_HEAD(&dev->links.defer_hook);
+	INIT_LIST_HEAD(&dev->links.defer_sync);
 	dev->links.status = DL_DEV_NO_DRIVER;
+#ifdef CONFIG_SWIOTLB
+	dev->dma_io_tlb_mem = &io_tlb_default_mem;
+#endif
 }
 EXPORT_SYMBOL_GPL(device_initialize);
 
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 1e8318a..118b7d3 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -185,7 +185,7 @@
 	 * Kick the re-probe thread.  It may already be scheduled, but it is
 	 * safe to kick it again.
 	 */
-	schedule_work(&deferred_probe_work);
+	queue_work(system_unbound_wq, &deferred_probe_work);
 }
 
 /**
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 64706622..e7749a9 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1048,7 +1048,7 @@
 	struct platform_device *pdev = to_platform_device(dev);
 	int ret;
 
-	ret = driver_set_override(dev, &pdev->driver_override, buf, count);
+	ret = driver_set_override(dev, (const char **)&pdev->driver_override, buf, count);
 	if (ret)
 		return ret;
 
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 8a90f08..fa76018 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -21,6 +21,7 @@
 #include <linux/suspend.h>
 #include <linux/export.h>
 #include <linux/cpu.h>
+#include <linux/debugfs.h>
 
 #include "power.h"
 
@@ -210,6 +211,21 @@
 }
 
 #ifdef CONFIG_DEBUG_FS
+static struct dentry *genpd_debugfs_dir;
+
+static void genpd_debug_add(struct generic_pm_domain *genpd);
+
+static void genpd_debug_remove(struct generic_pm_domain *genpd)
+{
+	struct dentry *d;
+
+	if (!genpd_debugfs_dir)
+		return;
+
+	d = debugfs_lookup(genpd->name, genpd_debugfs_dir);
+	debugfs_remove(d);
+}
+
 static void genpd_update_accounting(struct generic_pm_domain *genpd)
 {
 	ktime_t delta, now;
@@ -234,6 +250,8 @@
 	genpd->accounting_time = now;
 }
 #else
+static inline void genpd_debug_add(struct generic_pm_domain *genpd) {}
+static inline void genpd_debug_remove(struct generic_pm_domain *genpd) {}
 static inline void genpd_update_accounting(struct generic_pm_domain *genpd) {}
 #endif
 
@@ -408,6 +426,35 @@
 }
 EXPORT_SYMBOL_GPL(dev_pm_genpd_set_performance_state);
 
+/**
+ * dev_pm_genpd_set_next_wakeup - Notify PM framework of an impending wakeup.
+ *
+ * @dev: Device to handle
+ * @next: impending interrupt/wakeup for the device
+ *
+ *
+ * Allow devices to inform of the next wakeup. It's assumed that the users
+ * guarantee that the genpd wouldn't be detached while this routine is getting
+ * called. Additionally, it's also assumed that @dev isn't runtime suspended
+ * (RPM_SUSPENDED)."
+ * Although devices are expected to update the next_wakeup after the end of
+ * their usecase as well, it is possible the devices themselves may not know
+ * about that, so stale @next will be ignored when powering off the domain.
+ */
+void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next)
+{
+	struct generic_pm_domain_data *gpd_data;
+	struct generic_pm_domain *genpd;
+
+	genpd = dev_to_genpd_safe(dev);
+	if (!genpd)
+		return;
+
+	gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
+	gpd_data->next_wakeup = next;
+}
+EXPORT_SYMBOL_GPL(dev_pm_genpd_set_next_wakeup);
+
 static int _genpd_power_on(struct generic_pm_domain *genpd, bool timed)
 {
 	unsigned int state_idx = genpd->state_idx;
@@ -1363,41 +1410,60 @@
 	genpd_unlock(genpd);
 }
 
-/**
- * genpd_syscore_switch - Switch power during system core suspend or resume.
- * @dev: Device that normally is marked as "always on" to switch power for.
- *
- * This routine may only be called during the system core (syscore) suspend or
- * resume phase for devices whose "always on" flags are set.
- */
-static void genpd_syscore_switch(struct device *dev, bool suspend)
+static void genpd_switch_state(struct device *dev, bool suspend)
 {
 	struct generic_pm_domain *genpd;
+	bool use_lock;
 
 	genpd = dev_to_genpd_safe(dev);
 	if (!genpd)
 		return;
 
+	use_lock = genpd_is_irq_safe(genpd);
+
+	if (use_lock)
+		genpd_lock(genpd);
+
 	if (suspend) {
 		genpd->suspended_count++;
-		genpd_sync_power_off(genpd, false, 0);
+		genpd_sync_power_off(genpd, use_lock, 0);
 	} else {
-		genpd_sync_power_on(genpd, false, 0);
+		genpd_sync_power_on(genpd, use_lock, 0);
 		genpd->suspended_count--;
 	}
+
+	if (use_lock)
+		genpd_unlock(genpd);
 }
 
-void pm_genpd_syscore_poweroff(struct device *dev)
+/**
+ * dev_pm_genpd_suspend - Synchronously try to suspend the genpd for @dev
+ * @dev: The device that is attached to the genpd, that can be suspended.
+ *
+ * This routine should typically be called for a device that needs to be
+ * suspended during the syscore suspend phase. It may also be called during
+ * suspend-to-idle to suspend a corresponding CPU device that is attached to a
+ * genpd.
+ */
+void dev_pm_genpd_suspend(struct device *dev)
 {
-	genpd_syscore_switch(dev, true);
+	genpd_switch_state(dev, true);
 }
-EXPORT_SYMBOL_GPL(pm_genpd_syscore_poweroff);
+EXPORT_SYMBOL_GPL(dev_pm_genpd_suspend);
 
-void pm_genpd_syscore_poweron(struct device *dev)
+/**
+ * dev_pm_genpd_resume - Synchronously try to resume the genpd for @dev
+ * @dev: The device that is attached to the genpd, which needs to be resumed.
+ *
+ * This routine should typically be called for a device that needs to be resumed
+ * during the syscore resume phase. It may also be called during suspend-to-idle
+ * to resume a corresponding CPU device that is attached to a genpd.
+ */
+void dev_pm_genpd_resume(struct device *dev)
 {
-	genpd_syscore_switch(dev, false);
+	genpd_switch_state(dev, false);
 }
-EXPORT_SYMBOL_GPL(pm_genpd_syscore_poweron);
+EXPORT_SYMBOL_GPL(dev_pm_genpd_resume);
 
 #else /* !CONFIG_PM_SLEEP */
 
@@ -1431,6 +1497,7 @@
 	gpd_data->td.constraint_changed = true;
 	gpd_data->td.effective_constraint_ns = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS;
 	gpd_data->nb.notifier_call = genpd_dev_pm_qos_notifier;
+	gpd_data->next_wakeup = KTIME_MAX;
 
 	spin_lock_irq(&dev->power.lock);
 
@@ -1908,6 +1975,7 @@
 	genpd->device_count = 0;
 	genpd->max_off_time_ns = -1;
 	genpd->max_off_time_changed = true;
+	genpd->next_wakeup = KTIME_MAX;
 	genpd->provider = NULL;
 	genpd->has_provider = false;
 	genpd->accounting_time = ktime_get();
@@ -1954,6 +2022,7 @@
 
 	mutex_lock(&gpd_list_lock);
 	list_add(&genpd->gpd_list_node, &gpd_list);
+	genpd_debug_add(genpd);
 	mutex_unlock(&gpd_list_lock);
 
 	return 0;
@@ -1989,6 +2058,7 @@
 
 	list_del(&genpd->gpd_list_node);
 	genpd_unlock(genpd);
+	genpd_debug_remove(genpd);
 	cancel_work_sync(&genpd->power_off_work);
 	if (genpd_is_cpu_domain(genpd))
 		free_cpumask_var(genpd->cpus);
@@ -2128,6 +2198,7 @@
 	cp->node = of_node_get(np);
 	cp->data = data;
 	cp->xlate = xlate;
+	fwnode_dev_initialized(&np->fwnode, true);
 
 	mutex_lock(&of_genpd_mutex);
 	list_add(&cp->link, &of_genpd_providers);
@@ -2317,6 +2388,7 @@
 				}
 			}
 
+			fwnode_dev_initialized(&cp->node->fwnode, false);
 			list_del(&cp->link);
 			of_node_put(cp->node);
 			kfree(cp);
@@ -2897,14 +2969,6 @@
 /***        debugfs support        ***/
 
 #ifdef CONFIG_DEBUG_FS
-#include <linux/pm.h>
-#include <linux/device.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/kobject.h>
-static struct dentry *genpd_debugfs_dir;
-
 /*
  * TODO: This function is a slightly modified version of rtpm_status_show
  * from sysfs.c, so generalize it.
@@ -3181,9 +3245,34 @@
 DEFINE_SHOW_ATTRIBUTE(devices);
 DEFINE_SHOW_ATTRIBUTE(perf_state);
 
-static int __init genpd_debug_init(void)
+static void genpd_debug_add(struct generic_pm_domain *genpd)
 {
 	struct dentry *d;
+
+	if (!genpd_debugfs_dir)
+		return;
+
+	d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
+
+	debugfs_create_file("current_state", 0444,
+			    d, genpd, &status_fops);
+	debugfs_create_file("sub_domains", 0444,
+			    d, genpd, &sub_domains_fops);
+	debugfs_create_file("idle_states", 0444,
+			    d, genpd, &idle_states_fops);
+	debugfs_create_file("active_time", 0444,
+			    d, genpd, &active_time_fops);
+	debugfs_create_file("total_idle_time", 0444,
+			    d, genpd, &total_idle_time_fops);
+	debugfs_create_file("devices", 0444,
+			    d, genpd, &devices_fops);
+	if (genpd->set_performance_state)
+		debugfs_create_file("perf_state", 0444,
+				    d, genpd, &perf_state_fops);
+}
+
+static int __init genpd_debug_init(void)
+{
 	struct generic_pm_domain *genpd;
 
 	genpd_debugfs_dir = debugfs_create_dir("pm_genpd", NULL);
@@ -3191,25 +3280,8 @@
 	debugfs_create_file("pm_genpd_summary", S_IRUGO, genpd_debugfs_dir,
 			    NULL, &summary_fops);
 
-	list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
-		d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
-
-		debugfs_create_file("current_state", 0444,
-				d, genpd, &status_fops);
-		debugfs_create_file("sub_domains", 0444,
-				d, genpd, &sub_domains_fops);
-		debugfs_create_file("idle_states", 0444,
-				d, genpd, &idle_states_fops);
-		debugfs_create_file("active_time", 0444,
-				d, genpd, &active_time_fops);
-		debugfs_create_file("total_idle_time", 0444,
-				d, genpd, &total_idle_time_fops);
-		debugfs_create_file("devices", 0444,
-				d, genpd, &devices_fops);
-		if (genpd->set_performance_state)
-			debugfs_create_file("perf_state", 0444,
-					    d, genpd, &perf_state_fops);
-	}
+	list_for_each_entry(genpd, &gpd_list, gpd_list_node)
+		genpd_debug_add(genpd);
 
 	return 0;
 }
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index 490ed7d..05665b1 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -12,6 +12,8 @@
 #include <linux/cpumask.h>
 #include <linux/ktime.h>
 
+#include <trace/hooks/pm_domain.h>
+
 static int dev_update_qos_constraint(struct device *dev, void *data)
 {
 	s64 *constraint_ns_p = data;
@@ -117,6 +119,55 @@
 	return td->cached_suspend_ok;
 }
 
+static void update_domain_next_wakeup(struct generic_pm_domain *genpd, ktime_t now)
+{
+	ktime_t domain_wakeup = KTIME_MAX;
+	ktime_t next_wakeup;
+	struct pm_domain_data *pdd;
+	struct gpd_link *link;
+
+	if (!(genpd->flags & GENPD_FLAG_MIN_RESIDENCY))
+		return;
+
+	/*
+	 * Devices that have a predictable wakeup pattern, may specify
+	 * their next wakeup. Let's find the next wakeup from all the
+	 * devices attached to this domain and from all the sub-domains.
+	 * It is possible that component's a next wakeup may have become
+	 * stale when we read that here. We will ignore to ensure the domain
+	 * is able to enter its optimal idle state.
+	 */
+	list_for_each_entry(pdd, &genpd->dev_list, list_node) {
+		next_wakeup = to_gpd_data(pdd)->next_wakeup;
+		if (next_wakeup != KTIME_MAX && !ktime_before(next_wakeup, now))
+			if (ktime_before(next_wakeup, domain_wakeup))
+				domain_wakeup = next_wakeup;
+	}
+
+	list_for_each_entry(link, &genpd->parent_links, parent_node) {
+		next_wakeup = link->child->next_wakeup;
+		if (next_wakeup != KTIME_MAX && !ktime_before(next_wakeup, now))
+			if (ktime_before(next_wakeup, domain_wakeup))
+				domain_wakeup = next_wakeup;
+	}
+
+	genpd->next_wakeup = domain_wakeup;
+}
+
+static bool next_wakeup_allows_state(struct generic_pm_domain *genpd,
+				     unsigned int state, ktime_t now)
+{
+	ktime_t domain_wakeup = genpd->next_wakeup;
+	s64 idle_time_ns, min_sleep_ns;
+
+	min_sleep_ns = genpd->states[state].power_off_latency_ns +
+		       genpd->states[state].residency_ns;
+
+	idle_time_ns = ktime_to_ns(ktime_sub(domain_wakeup, now));
+
+	return idle_time_ns >= min_sleep_ns;
+}
+
 static bool __default_power_down_ok(struct dev_pm_domain *pd,
 				     unsigned int state)
 {
@@ -125,6 +176,11 @@
 	struct pm_domain_data *pdd;
 	s64 min_off_time_ns;
 	s64 off_on_time_ns;
+	bool allow = true;
+
+	trace_android_vh_allow_domain_state(genpd, state, &allow);
+	if (!allow)
+		return false;
 
 	off_on_time_ns = genpd->states[state].power_off_latency_ns +
 		genpd->states[state].power_on_latency_ns;
@@ -201,16 +257,41 @@
 }
 
 /**
- * default_power_down_ok - Default generic PM domain power off governor routine.
+ * _default_power_down_ok - Default generic PM domain power off governor routine.
  * @pd: PM domain to check.
  *
  * This routine must be executed under the PM domain's lock.
  */
-static bool default_power_down_ok(struct dev_pm_domain *pd)
+static bool _default_power_down_ok(struct dev_pm_domain *pd, ktime_t now)
 {
 	struct generic_pm_domain *genpd = pd_to_genpd(pd);
+	int state_idx = genpd->state_count - 1;
 	struct gpd_link *link;
 
+	/*
+	 * Find the next wakeup from devices that can determine their own wakeup
+	 * to find when the domain would wakeup and do it for every device down
+	 * the hierarchy. It is not worth while to sleep if the state's residency
+	 * cannot be met.
+	 */
+	update_domain_next_wakeup(genpd, now);
+	if ((genpd->flags & GENPD_FLAG_MIN_RESIDENCY) && (genpd->next_wakeup != KTIME_MAX)) {
+		/* Let's find out the deepest domain idle state, the devices prefer */
+		while (state_idx >= 0) {
+			if (next_wakeup_allows_state(genpd, state_idx, now)) {
+				genpd->max_off_time_changed = true;
+				break;
+			}
+			state_idx--;
+		}
+
+		if (state_idx < 0) {
+			state_idx = 0;
+			genpd->cached_power_down_ok = false;
+			goto done;
+		}
+	}
+
 	if (!genpd->max_off_time_changed) {
 		genpd->state_idx = genpd->cached_power_down_state_idx;
 		return genpd->cached_power_down_ok;
@@ -228,21 +309,30 @@
 	genpd->max_off_time_ns = -1;
 	genpd->max_off_time_changed = false;
 	genpd->cached_power_down_ok = true;
-	genpd->state_idx = genpd->state_count - 1;
 
-	/* Find a state to power down to, starting from the deepest. */
-	while (!__default_power_down_ok(pd, genpd->state_idx)) {
-		if (genpd->state_idx == 0) {
+	/*
+	 * Find a state to power down to, starting from the state
+	 * determined by the next wakeup.
+	 */
+	while (!__default_power_down_ok(pd, state_idx)) {
+		if (state_idx == 0) {
 			genpd->cached_power_down_ok = false;
 			break;
 		}
-		genpd->state_idx--;
+		state_idx--;
 	}
 
+done:
+	genpd->state_idx = state_idx;
 	genpd->cached_power_down_state_idx = genpd->state_idx;
 	return genpd->cached_power_down_ok;
 }
 
+static bool default_power_down_ok(struct dev_pm_domain *pd)
+{
+	return _default_power_down_ok(pd, ktime_get());
+}
+
 static bool always_on_power_down_ok(struct dev_pm_domain *domain)
 {
 	return false;
@@ -254,11 +344,12 @@
 	struct generic_pm_domain *genpd = pd_to_genpd(pd);
 	struct cpuidle_device *dev;
 	ktime_t domain_wakeup, next_hrtimer;
+	ktime_t now = ktime_get();
 	s64 idle_duration_ns;
 	int cpu, i;
 
 	/* Validate dev PM QoS constraints. */
-	if (!default_power_down_ok(pd))
+	if (!_default_power_down_ok(pd, now))
 		return false;
 
 	if (!(genpd->flags & GENPD_FLAG_CPU_DOMAIN))
@@ -280,7 +371,7 @@
 	}
 
 	/* The minimum idle duration is from now - until the next wakeup. */
-	idle_duration_ns = ktime_to_ns(ktime_sub(domain_wakeup, ktime_get()));
+	idle_duration_ns = ktime_to_ns(ktime_sub(domain_wakeup, now));
 	if (idle_duration_ns <= 0)
 		return false;
 
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 1dbaadd..a1ae1c43 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -34,6 +34,7 @@
 #include <linux/cpuidle.h>
 #include <linux/devfreq.h>
 #include <linux/timer.h>
+#include <linux/wakeup_reason.h>
 
 #include "../base.h"
 #include "power.h"
@@ -1234,6 +1235,8 @@
 	error = dpm_run_callback(callback, dev, state, info);
 	if (error) {
 		async_error = error;
+		log_suspend_abort_reason("Device %s failed to %s noirq: error %d",
+					 dev_name(dev), pm_verb(state.event), error);
 		goto Complete;
 	}
 
@@ -1426,6 +1429,8 @@
 	error = dpm_run_callback(callback, dev, state, info);
 	if (error) {
 		async_error = error;
+		log_suspend_abort_reason("Device %s failed to %s late: error %d",
+					 dev_name(dev), pm_verb(state.event), error);
 		goto Complete;
 	}
 	dpm_propagate_wakeup_to_parent(dev);
@@ -1696,6 +1701,9 @@
 
 		dpm_propagate_wakeup_to_parent(dev);
 		dpm_clear_superiors_direct_complete(dev);
+	} else {
+		log_suspend_abort_reason("Device %s failed to %s: error %d",
+					 dev_name(dev), pm_verb(state.event), error);
 	}
 
 	device_unlock(dev);
@@ -1900,6 +1908,9 @@
 			}
 			pr_info("Device %s not prepared for power transition: code %d\n",
 				dev_name(dev), error);
+			log_suspend_abort_reason("Device %s not prepared for power transition: code %d",
+						 dev_name(dev), error);
+			dpm_save_failed_dev(dev_name(dev));
 			put_device(dev);
 			break;
 		}
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 8e93167..0489db3 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -137,6 +137,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(dev_pm_qos_read_value);
 
 /**
  * apply_constraint - Add/modify/remove device PM QoS request.
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 8997e02..f29d456 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -15,6 +15,9 @@
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 #include <linux/pm_wakeirq.h>
+#include <linux/irq.h>
+#include <linux/irqdesc.h>
+#include <linux/wakeup_reason.h>
 #include <trace/events/power.h>
 
 #include "power.h"
@@ -873,6 +876,37 @@
 }
 EXPORT_SYMBOL_GPL(pm_wakeup_dev_event);
 
+void pm_get_active_wakeup_sources(char *pending_wakeup_source, size_t max)
+{
+	struct wakeup_source *ws, *last_active_ws = NULL;
+	int len = 0;
+	bool active = false;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(ws, &wakeup_sources, entry) {
+		if (ws->active && len < max) {
+			if (!active)
+				len += scnprintf(pending_wakeup_source, max,
+						"Pending Wakeup Sources: ");
+			len += scnprintf(pending_wakeup_source + len, max - len,
+				"%s ", ws->name);
+			active = true;
+		} else if (!active &&
+			   (!last_active_ws ||
+			    ktime_to_ns(ws->last_time) >
+			    ktime_to_ns(last_active_ws->last_time))) {
+			last_active_ws = ws;
+		}
+	}
+	if (!active && last_active_ws) {
+		scnprintf(pending_wakeup_source, max,
+				"Last active Wakeup Source: %s",
+				last_active_ws->name);
+	}
+	rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(pm_get_active_wakeup_sources);
+
 void pm_print_active_wakeup_sources(void)
 {
 	struct wakeup_source *ws;
@@ -911,6 +945,7 @@
 {
 	unsigned long flags;
 	bool ret = false;
+	char suspend_abort[MAX_SUSPEND_ABORT_LEN];
 
 	raw_spin_lock_irqsave(&events_lock, flags);
 	if (events_check_enabled) {
@@ -925,6 +960,10 @@
 	if (ret) {
 		pm_pr_dbg("Wakeup pending, aborting suspend\n");
 		pm_print_active_wakeup_sources();
+		pm_get_active_wakeup_sources(suspend_abort,
+					     MAX_SUSPEND_ABORT_LEN);
+		log_suspend_abort_reason(suspend_abort);
+		pr_info("PM: %s\n", suspend_abort);
 	}
 
 	return ret || atomic_read(&pm_abort_suspend) > 0;
@@ -974,8 +1013,20 @@
 
 	raw_spin_unlock_irqrestore(&wakeup_irq_lock, flags);
 
-	if (irq_number)
+	if (irq_number) {
+		struct irq_desc *desc;
+		const char *name = "null";
+
+		desc = irq_to_desc(irq_number);
+		if (desc == NULL)
+			name = "stray irq";
+		else if (desc->action && desc->action->name)
+			name = desc->action->name;
+
+		log_irq_wakeup_reason(irq_number);
+		pr_warn("%s: %d triggered %s\n", __func__, irq_number, name);
 		pm_system_wakeup();
+	}
 }
 
 unsigned int pm_wakeup_irq(void)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index cf88a555..55c4a92 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -615,6 +615,31 @@
 EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
 
 /**
+ * fwnode_get_next_parent_dev - Find device of closest ancestor fwnode
+ * @fwnode: firmware node
+ *
+ * Given a firmware node (@fwnode), this function finds its closest ancestor
+ * firmware node that has a corresponding struct device and returns that struct
+ * device.
+ *
+ * The caller of this function is expected to call put_device() on the returned
+ * device when they are done.
+ */
+struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode)
+{
+	struct device *dev = NULL;
+
+	fwnode_handle_get(fwnode);
+	do {
+		fwnode = fwnode_get_next_parent(fwnode);
+		if (fwnode)
+			dev = get_dev_from_fwnode(fwnode);
+	} while (fwnode && !dev);
+	fwnode_handle_put(fwnode);
+	return dev;
+}
+
+/**
  * fwnode_count_parents - Return the number of parents a node has
  * @fwnode: The node the parents of which are to be counted
  *
@@ -661,6 +686,33 @@
 EXPORT_SYMBOL_GPL(fwnode_get_nth_parent);
 
 /**
+ * fwnode_is_ancestor_of - Test if @test_ancestor is ancestor of @test_child
+ * @test_ancestor: Firmware which is tested for being an ancestor
+ * @test_child: Firmware which is tested for being the child
+ *
+ * A node is considered an ancestor of itself too.
+ *
+ * Returns true if @test_ancestor is an ancestor of @test_child.
+ * Otherwise, returns false.
+ */
+bool fwnode_is_ancestor_of(struct fwnode_handle *test_ancestor,
+				  struct fwnode_handle *test_child)
+{
+	if (!test_ancestor)
+		return false;
+
+	fwnode_handle_get(test_child);
+	while (test_child) {
+		if (test_child == test_ancestor) {
+			fwnode_handle_put(test_child);
+			return true;
+		}
+		test_child = fwnode_get_next_parent(test_child);
+	}
+	return false;
+}
+
+/**
  * fwnode_get_next_child_node - Return the next child node handle for a node
  * @fwnode: Firmware node to find the next child node for.
  * @child: Handle to one of the node's child nodes or a %NULL handle.
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index b664c36..7d8a863 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -48,6 +48,19 @@
 				     struct swnode, fwnode) : NULL;	\
 	})
 
+static inline struct swnode *dev_to_swnode(struct device *dev)
+{
+	struct fwnode_handle *fwnode = dev_fwnode(dev);
+
+	if (!fwnode)
+		return NULL;
+
+	if (!is_software_node(fwnode))
+		fwnode = fwnode->secondary;
+
+	return to_swnode(fwnode);
+}
+
 static struct swnode *
 software_node_to_swnode(const struct software_node *node)
 {
@@ -660,7 +673,7 @@
 	swnode->parent = parent;
 	swnode->allocated = allocated;
 	swnode->kobj.kset = swnode_kset;
-	swnode->fwnode.ops = &software_node_ops;
+	fwnode_init(&swnode->fwnode, &software_node_ops);
 
 	ida_init(&swnode->child_ids);
 	INIT_LIST_HEAD(&swnode->entry);
@@ -853,26 +866,83 @@
 }
 EXPORT_SYMBOL_GPL(fwnode_remove_software_node);
 
-int software_node_notify(struct device *dev, unsigned long action)
+/**
+ * device_add_software_node - Assign software node to a device
+ * @dev: The device the software node is meant for.
+ * @node: The software node.
+ *
+ * This function will make @node the secondary firmware node pointer of @dev. If
+ * @dev has no primary node, then @node will become the primary node. The
+ * function will register @node automatically if it wasn't already registered.
+ */
+int device_add_software_node(struct device *dev, const struct software_node *node)
 {
-	struct fwnode_handle *fwnode = dev_fwnode(dev);
 	struct swnode *swnode;
 	int ret;
 
-	if (!fwnode)
-		return 0;
+	/* Only one software node per device. */
+	if (dev_to_swnode(dev))
+		return -EBUSY;
 
-	if (!is_software_node(fwnode))
-		fwnode = fwnode->secondary;
-	if (!is_software_node(fwnode))
-		return 0;
+	swnode = software_node_to_swnode(node);
+	if (swnode) {
+		kobject_get(&swnode->kobj);
+	} else {
+		ret = software_node_register(node);
+		if (ret)
+			return ret;
 
-	swnode = to_swnode(fwnode);
+		swnode = software_node_to_swnode(node);
+	}
+
+	set_secondary_fwnode(dev, &swnode->fwnode);
+
+	/*
+	 * If the device has been fully registered by the time this function is
+	 * called, software_node_notify() must be called separately so that the
+	 * symlinks get created and the reference count of the node is kept in
+	 * balance.
+	 */
+	if (device_is_registered(dev))
+		software_node_notify(dev, KOBJ_ADD);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(device_add_software_node);
+
+/**
+ * device_remove_software_node - Remove device's software node
+ * @dev: The device with the software node.
+ *
+ * This function will unregister the software node of @dev.
+ */
+void device_remove_software_node(struct device *dev)
+{
+	struct swnode *swnode;
+
+	swnode = dev_to_swnode(dev);
+	if (!swnode)
+		return;
+
+	if (device_is_registered(dev))
+		software_node_notify(dev, KOBJ_REMOVE);
+	set_secondary_fwnode(dev, NULL);
+	kobject_put(&swnode->kobj);
+}
+EXPORT_SYMBOL_GPL(device_remove_software_node);
+
+int software_node_notify(struct device *dev, unsigned long action)
+{
+	struct swnode *swnode;
+	int ret;
+
+	swnode = dev_to_swnode(dev);
+	if (!swnode)
+		return 0;
 
 	switch (action) {
 	case KOBJ_ADD:
-		ret = sysfs_create_link(&dev->kobj, &swnode->kobj,
-					"software_node");
+		ret = sysfs_create_link(&dev->kobj, &swnode->kobj, "software_node");
 		if (ret)
 			break;
 
diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c
index 13db1f78..3a9527d 100644
--- a/drivers/base/syscore.c
+++ b/drivers/base/syscore.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/suspend.h>
 #include <trace/events/power.h>
+#include <linux/wakeup_reason.h>
 
 static LIST_HEAD(syscore_ops_list);
 static DEFINE_MUTEX(syscore_ops_lock);
@@ -73,7 +74,9 @@
 	return 0;
 
  err_out:
-	pr_err("PM: System core suspend callback %pS failed.\n", ops->suspend);
+	log_suspend_abort_reason("System core suspend callback %pS failed",
+		ops->suspend);
+	pr_err("PM: System core suspend callback %pF failed.\n", ops->suspend);
 
 	list_for_each_entry_continue(ops, &syscore_ops_list, node)
 		if (ops->resume)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 7444cc2..f0ab03c 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -83,6 +83,8 @@
 
 #include <linux/uaccess.h>
 
+#define LOOP_DEFAULT_HW_Q_DEPTH (128)
+
 static DEFINE_IDR(loop_index_idr);
 static DEFINE_MUTEX(loop_ctl_mutex);
 
@@ -1953,6 +1955,24 @@
 MODULE_PARM_DESC(max_loop, "Maximum number of loop devices");
 module_param(max_part, int, 0444);
 MODULE_PARM_DESC(max_part, "Maximum number of partitions per loop device");
+
+static int hw_queue_depth = LOOP_DEFAULT_HW_Q_DEPTH;
+
+static int loop_set_hw_queue_depth(const char *s, const struct kernel_param *p)
+{
+	int ret = kstrtoint(s, 10, &hw_queue_depth);
+
+	return (ret || (hw_queue_depth < 1)) ? -EINVAL : 0;
+}
+
+static const struct kernel_param_ops loop_hw_qdepth_param_ops = {
+	.set	= loop_set_hw_queue_depth,
+	.get	= param_get_int,
+};
+
+device_param_cb(hw_queue_depth, &loop_hw_qdepth_param_ops, &hw_queue_depth, 0444);
+MODULE_PARM_DESC(hw_queue_depth, "Queue depth for each hardware queue. Default: 128");
+
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_BLOCKDEV_MAJOR(LOOP_MAJOR);
 
@@ -2106,11 +2126,11 @@
 	err = -ENOMEM;
 	lo->tag_set.ops = &loop_mq_ops;
 	lo->tag_set.nr_hw_queues = 1;
-	lo->tag_set.queue_depth = 128;
+	lo->tag_set.queue_depth = hw_queue_depth;
 	lo->tag_set.numa_node = NUMA_NO_NODE;
 	lo->tag_set.cmd_size = sizeof(struct loop_cmd);
 	lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING |
-		BLK_MQ_F_NO_SCHED;
+		BLK_MQ_F_NO_SCHED_BY_DEFAULT;
 	lo->tag_set.driver_data = lo;
 
 	err = blk_mq_alloc_tag_set(&lo->tag_set);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 9b54eec..464f9f6 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -21,6 +21,9 @@
 #define VQ_NAME_LEN 16
 #define MAX_DISCARD_SEGMENTS 256u
 
+/* The maximum number of sg elements that fit into a virtqueue */
+#define VIRTIO_BLK_MAX_SG_ELEMS 32768
+
 static int major;
 static DEFINE_IDA(vd_index_ida);
 
@@ -228,8 +231,6 @@
 	bool unmap = false;
 	u32 type;
 
-	BUG_ON(req->nr_phys_segments + 2 > vblk->sg_elems);
-
 	switch (req_op(req)) {
 	case REQ_OP_READ:
 	case REQ_OP_WRITE:
@@ -253,6 +254,10 @@
 		return BLK_STS_IOERR;
 	}
 
+	BUG_ON(type != VIRTIO_BLK_T_DISCARD &&
+	       type != VIRTIO_BLK_T_WRITE_ZEROES &&
+	       (req->nr_phys_segments + 2 > vblk->sg_elems));
+
 	vbr->out_hdr.type = cpu_to_virtio32(vblk->vdev, type);
 	vbr->out_hdr.sector = type ?
 		0 : cpu_to_virtio64(vblk->vdev, blk_rq_pos(req));
@@ -504,6 +509,10 @@
 				   &num_vqs);
 	if (err)
 		num_vqs = 1;
+	if (!err && !num_vqs) {
+		dev_err(&vdev->dev, "MQ advertisted but zero queues reported\n");
+		return -EINVAL;
+	}
 
 	num_vqs = min_t(unsigned int, nr_cpu_ids, num_vqs);
 
@@ -728,7 +737,10 @@
 	if (err || !sg_elems)
 		sg_elems = 1;
 
-	/* We need an extra sg elements at head and tail. */
+	/* Prevent integer overflows and honor max vq size */
+	sg_elems = min_t(u32, sg_elems, VIRTIO_BLK_MAX_SG_ELEMS - 2);
+
+	/* We need extra sg elements at head and tail. */
 	sg_elems += 2;
 	vdev->priv = vblk = kmalloc(sizeof(*vblk), GFP_KERNEL);
 	if (!vblk) {
@@ -831,7 +843,7 @@
 			dev_err(&vdev->dev,
 				"virtio_blk: invalid block size: 0x%x\n",
 				blk_size);
-			goto out_free_tags;
+			goto out_cleanup_disk;
 		}
 
 		blk_queue_logical_block_size(q, blk_size);
@@ -903,6 +915,8 @@
 	device_add_disk(&vdev->dev, vblk->disk, virtblk_attr_groups);
 	return 0;
 
+out_cleanup_disk:
+	blk_cleanup_queue(vblk->disk->queue);
 out_free_tags:
 	blk_mq_free_tag_set(&vblk->tag_set);
 out_put_disk:
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 3874233..14e4528 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -1326,9 +1326,7 @@
 				     pages[i]->page,
 				     seg[i].nsec << 9,
 				     seg[i].offset) == 0)) {
-
-			int nr_iovecs = min_t(int, (nseg-i), BIO_MAX_PAGES);
-			bio = bio_alloc(GFP_KERNEL, nr_iovecs);
+			bio = bio_alloc(GFP_KERNEL, bio_max_segs(nseg - i));
 			if (unlikely(bio == NULL))
 				goto fail_put_bio;
 
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 0636df6..a8b8538 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -477,7 +477,7 @@
 	if (sz > 0 && file_name[sz - 1] == '\n')
 		file_name[sz - 1] = 0x00;
 
-	backing_dev = filp_open(file_name, O_RDWR|O_LARGEFILE, 0);
+	backing_dev = filp_open_block(file_name, O_RDWR|O_LARGEFILE, 0);
 	if (IS_ERR(backing_dev)) {
 		err = PTR_ERR(backing_dev);
 		backing_dev = NULL;
@@ -620,15 +620,19 @@
 	return 1;
 }
 
+#define PAGE_WB_SIG "page_index="
+
+#define PAGE_WRITEBACK 0
 #define HUGE_WRITEBACK 1
 #define IDLE_WRITEBACK 2
 
+
 static ssize_t writeback_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t len)
 {
 	struct zram *zram = dev_to_zram(dev);
 	unsigned long nr_pages = zram->disksize >> PAGE_SHIFT;
-	unsigned long index;
+	unsigned long index = 0;
 	struct bio bio;
 	struct bio_vec bio_vec;
 	struct page *page;
@@ -640,8 +644,17 @@
 		mode = IDLE_WRITEBACK;
 	else if (sysfs_streq(buf, "huge"))
 		mode = HUGE_WRITEBACK;
-	else
-		return -EINVAL;
+	else {
+		if (strncmp(buf, PAGE_WB_SIG, sizeof(PAGE_WB_SIG) - 1))
+			return -EINVAL;
+
+		if (kstrtol(buf + sizeof(PAGE_WB_SIG) - 1, 10, &index) ||
+				index >= nr_pages)
+			return -EINVAL;
+
+		nr_pages = 1;
+		mode = PAGE_WRITEBACK;
+	}
 
 	down_read(&zram->init_lock);
 	if (!init_done(zram)) {
@@ -660,7 +673,7 @@
 		goto release_init_lock;
 	}
 
-	for (index = 0; index < nr_pages; index++) {
+	for (; nr_pages != 0; index++, nr_pages--) {
 		struct bio_vec bvec;
 
 		bvec.bv_page = page;
@@ -1372,13 +1385,14 @@
 				__GFP_KSWAPD_RECLAIM |
 				__GFP_NOWARN |
 				__GFP_HIGHMEM |
-				__GFP_MOVABLE);
+				__GFP_MOVABLE |
+				__GFP_CMA);
 	if (!handle) {
 		zcomp_stream_put(zram->comp);
 		atomic64_inc(&zram->stats.writestall);
 		handle = zs_malloc(zram->mem_pool, comp_len,
 				GFP_NOIO | __GFP_HIGHMEM |
-				__GFP_MOVABLE);
+				__GFP_MOVABLE | __GFP_CMA);
 		if (handle)
 			goto compress_again;
 		return -ENOMEM;
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 636db3b..3fe056c 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -6,7 +6,9 @@
  *  Copyright (C) 2015  Intel Corporation
  */
 
+#ifndef __GENKSYMS__	// ANDROID CRC kabi preservation hack due to commit 76dd7893bd10
 #include <linux/efi.h>
+#endif
 #include <linux/module.h>
 #include <linux/firmware.h>
 #include <asm/unaligned.h>
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 3f6e96a..b57e2e4 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -654,6 +654,7 @@
 	{ H4_RECV_ACL,      .recv = hci_recv_frame },
 	{ H4_RECV_SCO,      .recv = hci_recv_frame },
 	{ H4_RECV_EVENT,    .recv = hci_recv_frame },
+	{ H4_RECV_ISO,      .recv = hci_recv_frame },
 	{ BCM_RECV_LM_DIAG, .recv = hci_recv_diag  },
 	{ BCM_RECV_NULL,    .recv = hci_recv_diag  },
 	{ BCM_RECV_TYPE49,  .recv = hci_recv_diag  },
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index f6a1474..ca5141e 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -60,7 +60,7 @@
 /*
  * Assigned numbers, used for dynamic minors
  */
-#define DYNAMIC_MINORS 64 /* like dynamic majors */
+#define DYNAMIC_MINORS 128 /* like dynamic majors */
 static DECLARE_BITMAP(misc_minors, DYNAMIC_MINORS);
 
 #ifdef CONFIG_PROC_FS
diff --git a/drivers/char/random.c b/drivers/char/random.c
index b54481e..56bcf96 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -60,6 +60,10 @@
 #include <asm/irq_regs.h>
 #include <asm/io.h>
 
+// GKI: Keep this header to retain the original CRC that previously used the
+// random.h tracepoints.
+#include <linux/writeback.h>
+
 /*********************************************************************
  *
  * Initialization and readiness waiting.
@@ -172,6 +176,7 @@
 	return ret;
 }
 
+static void process_oldschool_random_ready_list(void);
 static void __cold process_random_ready_list(void)
 {
 	unsigned long flags;
@@ -179,6 +184,8 @@
 	spin_lock_irqsave(&random_ready_chain_lock, flags);
 	raw_notifier_call_chain(&random_ready_chain, 0, NULL);
 	spin_unlock_irqrestore(&random_ready_chain_lock, flags);
+
+	process_oldschool_random_ready_list();
 }
 
 #define warn_unseeded_randomness() \
@@ -434,7 +441,7 @@
  * wait_for_random_bytes() should be called and return 0 at least once
  * at any point prior.
  */
-void get_random_bytes(void *buf, size_t len)
+void get_random_bytes(void *buf, int len)
 {
 	warn_unseeded_randomness();
 	_get_random_bytes(buf, len);
@@ -578,7 +585,7 @@
  * use. Use get_random_bytes() instead. It returns the number of
  * bytes filled in.
  */
-size_t __must_check get_random_bytes_arch(void *buf, size_t len)
+int __must_check get_random_bytes_arch(void *buf, int len)
 {
 	size_t left = len;
 	u8 *p = buf;
@@ -851,7 +858,7 @@
  * the entropy pool having similar initial state across largely
  * identical devices.
  */
-void add_device_randomness(const void *buf, size_t len)
+void add_device_randomness(const void *buf, unsigned int len)
 {
 	unsigned long entropy = random_get_entropy();
 	unsigned long flags;
@@ -1532,3 +1539,76 @@
 	{ }
 };
 #endif	/* CONFIG_SYSCTL */
+
+/*
+ * Android KABI fixups
+ *
+ * Add back two functions that were being used by out-of-tree drivers.
+ *
+ * Yes, horrible hack, the things we do for FIPS "compliance"...
+ */
+static DEFINE_SPINLOCK(random_ready_list_lock);
+static LIST_HEAD(random_ready_list);
+
+int add_random_ready_callback(struct random_ready_callback *rdy)
+{
+	struct module *owner;
+	unsigned long flags;
+	int err = -EALREADY;
+
+	if (crng_ready())
+		return err;
+
+	owner = rdy->owner;
+	if (!try_module_get(owner))
+		return -ENOENT;
+
+	spin_lock_irqsave(&random_ready_list_lock, flags);
+	if (crng_ready())
+		goto out;
+
+	owner = NULL;
+
+	list_add(&rdy->list, &random_ready_list);
+	err = 0;
+
+out:
+	spin_unlock_irqrestore(&random_ready_list_lock, flags);
+
+	module_put(owner);
+
+	return err;
+}
+EXPORT_SYMBOL(add_random_ready_callback);
+
+void del_random_ready_callback(struct random_ready_callback *rdy)
+{
+	unsigned long flags;
+	struct module *owner = NULL;
+
+	spin_lock_irqsave(&random_ready_list_lock, flags);
+	if (!list_empty(&rdy->list)) {
+		list_del_init(&rdy->list);
+		owner = rdy->owner;
+	}
+	spin_unlock_irqrestore(&random_ready_list_lock, flags);
+
+	module_put(owner);
+}
+EXPORT_SYMBOL(del_random_ready_callback);
+
+static void process_oldschool_random_ready_list(void)
+{
+	unsigned long flags;
+	struct random_ready_callback *rdy, *tmp;
+
+	spin_lock_irqsave(&random_ready_list_lock, flags);
+	list_for_each_entry_safe(rdy, tmp, &random_ready_list, list) {
+		struct module *owner = rdy->owner;
+
+		list_del_init(&rdy->list);
+		rdy->func(rdy);
+		module_put(owner);
+	}
+	spin_unlock_irqrestore(&random_ready_list_lock, flags);
+}
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 6d36142..251cd65 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -28,6 +28,7 @@
 #include "../tty/hvc/hvc_console.h"
 
 #define is_rproc_enabled IS_ENABLED(CONFIG_REMOTEPROC)
+#define VIRTCONS_MAX_PORTS 0x8000
 
 /*
  * This is a global struct for storing common data for all the devices
@@ -2046,6 +2047,14 @@
 	    virtio_cread_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT,
 				 struct virtio_console_config, max_nr_ports,
 				 &portdev->max_nr_ports) == 0) {
+		if (portdev->max_nr_ports == 0 ||
+		    portdev->max_nr_ports > VIRTCONS_MAX_PORTS) {
+			dev_err(&vdev->dev,
+				"Invalidate max_nr_ports %d",
+				portdev->max_nr_ports);
+			err = -EINVAL;
+			goto free;
+		}
 		multiport = true;
 	}
 
diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
index 2ddb54f..2e7fedf 100644
--- a/drivers/clk/clk-composite.c
+++ b/drivers/clk/clk-composite.c
@@ -361,6 +361,7 @@
 		return ERR_CAST(hw);
 	return hw->clk;
 }
+EXPORT_SYMBOL_GPL(clk_register_composite);
 
 struct clk *clk_register_composite_pdata(struct device *dev, const char *name,
 			const struct clk_parent_data *parent_data,
diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c
index c62636f..adcede4 100644
--- a/drivers/clk/clk-scmi.c
+++ b/drivers/clk/clk-scmi.c
@@ -2,7 +2,7 @@
 /*
  * System Control and Power Interface (SCMI) Protocol based clock driver
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  */
 
 #include <linux/clk-provider.h>
@@ -13,11 +13,13 @@
 #include <linux/scmi_protocol.h>
 #include <asm/div64.h>
 
+static const struct scmi_clk_proto_ops *clk_ops;
+
 struct scmi_clk {
 	u32 id;
 	struct clk_hw hw;
 	const struct scmi_clock_info *info;
-	const struct scmi_handle *handle;
+	const struct scmi_protocol_handle *ph;
 };
 
 #define to_scmi_clk(clk) container_of(clk, struct scmi_clk, hw)
@@ -29,7 +31,7 @@
 	u64 rate;
 	struct scmi_clk *clk = to_scmi_clk(hw);
 
-	ret = clk->handle->clk_ops->rate_get(clk->handle, clk->id, &rate);
+	ret = clk_ops->rate_get(clk->ph, clk->id, &rate);
 	if (ret)
 		return 0;
 	return rate;
@@ -69,21 +71,21 @@
 {
 	struct scmi_clk *clk = to_scmi_clk(hw);
 
-	return clk->handle->clk_ops->rate_set(clk->handle, clk->id, rate);
+	return clk_ops->rate_set(clk->ph, clk->id, rate);
 }
 
 static int scmi_clk_enable(struct clk_hw *hw)
 {
 	struct scmi_clk *clk = to_scmi_clk(hw);
 
-	return clk->handle->clk_ops->enable(clk->handle, clk->id);
+	return clk_ops->enable(clk->ph, clk->id);
 }
 
 static void scmi_clk_disable(struct clk_hw *hw)
 {
 	struct scmi_clk *clk = to_scmi_clk(hw);
 
-	clk->handle->clk_ops->disable(clk->handle, clk->id);
+	clk_ops->disable(clk->ph, clk->id);
 }
 
 static const struct clk_ops scmi_clk_ops = {
@@ -142,11 +144,16 @@
 	struct device *dev = &sdev->dev;
 	struct device_node *np = dev->of_node;
 	const struct scmi_handle *handle = sdev->handle;
+	struct scmi_protocol_handle *ph;
 
-	if (!handle || !handle->clk_ops)
+	if (!handle)
 		return -ENODEV;
 
-	count = handle->clk_ops->count_get(handle);
+	clk_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_CLOCK, &ph);
+	if (IS_ERR(clk_ops))
+		return PTR_ERR(clk_ops);
+
+	count = clk_ops->count_get(ph);
 	if (count < 0) {
 		dev_err(dev, "%pOFn: invalid clock output count\n", np);
 		return -EINVAL;
@@ -167,7 +174,7 @@
 		if (!sclk)
 			return -ENOMEM;
 
-		sclk->info = handle->clk_ops->info_get(handle, idx);
+		sclk->info = clk_ops->info_get(ph, idx);
 		if (!sclk->info) {
 			dev_dbg(dev, "invalid clock info for idx %d\n", idx);
 			devm_kfree(dev, sclk);
@@ -175,7 +182,7 @@
 		}
 
 		sclk->id = idx;
-		sclk->handle = handle;
+		sclk->ph = ph;
 
 		err = scmi_clk_ops_init(dev, sclk);
 		if (err) {
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 62572d5..e7618f9 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -72,6 +72,8 @@
 	unsigned long		flags;
 	bool			orphan;
 	bool			rpm_enabled;
+	bool			need_sync;
+	bool			boot_enabled;
 	unsigned int		enable_count;
 	unsigned int		prepare_count;
 	unsigned int		protect_count;
@@ -1222,6 +1224,10 @@
 	hlist_for_each_entry(child, &core->children, child_node)
 		clk_unprepare_unused_subtree(child);
 
+	if (dev_has_sync_state(core->dev) &&
+	    !(core->flags & CLK_DONT_HOLD_STATE))
+		return;
+
 	if (core->prepare_count)
 		return;
 
@@ -1253,6 +1259,10 @@
 	hlist_for_each_entry(child, &core->children, child_node)
 		clk_disable_unused_subtree(child);
 
+	if (dev_has_sync_state(core->dev) &&
+	    !(core->flags & CLK_DONT_HOLD_STATE))
+		return;
+
 	if (core->flags & CLK_OPS_PARENT_ENABLE)
 		clk_core_prepare_enable(core->parent);
 
@@ -1326,6 +1336,38 @@
 }
 late_initcall_sync(clk_disable_unused);
 
+static void clk_unprepare_disable_dev_subtree(struct clk_core *core,
+					      struct device *dev)
+{
+	struct clk_core *child;
+
+	lockdep_assert_held(&prepare_lock);
+
+	hlist_for_each_entry(child, &core->children, child_node)
+		clk_unprepare_disable_dev_subtree(child, dev);
+
+	if (core->dev != dev || !core->need_sync)
+		return;
+
+	clk_core_disable_unprepare(core);
+}
+
+void clk_sync_state(struct device *dev)
+{
+	struct clk_core *core;
+
+	clk_prepare_lock();
+
+	hlist_for_each_entry(core, &clk_root_list, child_node)
+		clk_unprepare_disable_dev_subtree(core, dev);
+
+	hlist_for_each_entry(core, &clk_orphan_list, child_node)
+		clk_unprepare_disable_dev_subtree(core, dev);
+
+	clk_prepare_unlock();
+}
+EXPORT_SYMBOL_GPL(clk_sync_state);
+
 static int clk_core_determine_round_nolock(struct clk_core *core,
 					   struct clk_rate_request *req)
 {
@@ -1732,6 +1774,33 @@
 }
 EXPORT_SYMBOL_GPL(clk_hw_get_parent_index);
 
+static void clk_core_hold_state(struct clk_core *core)
+{
+	if (core->need_sync || !core->boot_enabled)
+		return;
+
+	if (core->orphan || !dev_has_sync_state(core->dev))
+		return;
+
+	if (core->flags & CLK_DONT_HOLD_STATE)
+		return;
+
+	core->need_sync = !clk_core_prepare_enable(core);
+}
+
+static void __clk_core_update_orphan_hold_state(struct clk_core *core)
+{
+	struct clk_core *child;
+
+	if (core->orphan)
+		return;
+
+	clk_core_hold_state(core);
+
+	hlist_for_each_entry(child, &core->children, child_node)
+		__clk_core_update_orphan_hold_state(child);
+}
+
 /*
  * Update the orphan status of @core and all its children.
  */
@@ -2038,6 +2107,13 @@
 			fail_clk = core;
 	}
 
+	if (core->ops->pre_rate_change) {
+		ret = core->ops->pre_rate_change(core->hw, core->rate,
+						 core->new_rate);
+		if (ret)
+			fail_clk = core;
+	}
+
 	hlist_for_each_entry(child, &core->children, child_node) {
 		/* Skip children who will be reparented to another clock */
 		if (child->new_parent && child->new_parent != core)
@@ -2140,6 +2216,9 @@
 	if (core->flags & CLK_RECALC_NEW_RATES)
 		(void)clk_calc_new_rates(core, core->new_rate);
 
+	if (core->ops->post_rate_change)
+		core->ops->post_rate_change(core->hw, old_rate, core->rate);
+
 	/*
 	 * Use safe iteration, as change_rate can actually swap parents
 	 * for certain clock types.
@@ -3062,7 +3141,7 @@
 }
 DEFINE_SHOW_ATTRIBUTE(clk_dump);
 
-#undef CLOCK_ALLOW_WRITE_DEBUGFS
+#define CLOCK_ALLOW_WRITE_DEBUGFS
 #ifdef CLOCK_ALLOW_WRITE_DEBUGFS
 /*
  * This can be dangerous, therefore don't provide any real compile time
@@ -3351,24 +3430,6 @@
 {
 	struct clk_core *core;
 
-#ifdef CLOCK_ALLOW_WRITE_DEBUGFS
-	pr_warn("\n");
-	pr_warn("********************************************************************\n");
-	pr_warn("**     NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE           **\n");
-	pr_warn("**                                                                **\n");
-	pr_warn("**  WRITEABLE clk DebugFS SUPPORT HAS BEEN ENABLED IN THIS KERNEL **\n");
-	pr_warn("**                                                                **\n");
-	pr_warn("** This means that this kernel is built to expose clk operations  **\n");
-	pr_warn("** such as parent or rate setting, enabling, disabling, etc.      **\n");
-	pr_warn("** to userspace, which may compromise security on your system.    **\n");
-	pr_warn("**                                                                **\n");
-	pr_warn("** If you see this message and you are not debugging the          **\n");
-	pr_warn("** kernel, report this immediately to your vendor!                **\n");
-	pr_warn("**                                                                **\n");
-	pr_warn("**     NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE           **\n");
-	pr_warn("********************************************************************\n");
-#endif
-
 	rootdir = debugfs_create_dir("clk", NULL);
 
 	debugfs_create_file("clk_summary", 0444, rootdir, &all_lists,
@@ -3421,6 +3482,7 @@
 			__clk_set_parent_after(orphan, parent, NULL);
 			__clk_recalc_accuracies(orphan);
 			__clk_recalc_rates(orphan, 0);
+			__clk_core_update_orphan_hold_state(orphan);
 
 			/*
 			 * __clk_init_parent() will set the initial req_rate to
@@ -3600,6 +3662,8 @@
 		rate = 0;
 	core->rate = core->req_rate = rate;
 
+	core->boot_enabled = clk_core_is_enabled(core);
+
 	/*
 	 * Enable CLK_IS_CRITICAL clocks so newly added critical clocks
 	 * don't get accidentally disabled when walking the orphan tree and
@@ -3626,6 +3690,7 @@
 		}
 	}
 
+	clk_core_hold_state(core);
 	clk_core_reparent_orphans_nolock();
 
 
@@ -3745,6 +3810,25 @@
 	return clk;
 }
 
+/**
+ * clk_hw_get_clk - get clk consumer given an clk_hw
+ * @hw: clk_hw associated with the clk being consumed
+ * @con_id: connection ID string on device
+ *
+ * Returns: new clk consumer
+ * This is the function to be used by providers which need
+ * to get a consumer clk and act on the clock element
+ * Calls to this function must be balanced with calls clk_put()
+ */
+struct clk *clk_hw_get_clk(struct clk_hw *hw, const char *con_id)
+{
+	struct device *dev = hw->core->dev;
+	const char *name = dev ? dev_name(dev) : NULL;
+
+	return clk_hw_create_clk(dev, hw, name, con_id);
+}
+EXPORT_SYMBOL(clk_hw_get_clk);
+
 static int clk_cpy_name(const char **dst_p, const char *src, bool must_exist)
 {
 	const char *dst;
@@ -4145,12 +4229,12 @@
 }
 EXPORT_SYMBOL_GPL(clk_hw_unregister);
 
-static void devm_clk_release(struct device *dev, void *res)
+static void devm_clk_unregister_cb(struct device *dev, void *res)
 {
 	clk_unregister(*(struct clk **)res);
 }
 
-static void devm_clk_hw_release(struct device *dev, void *res)
+static void devm_clk_hw_unregister_cb(struct device *dev, void *res)
 {
 	clk_hw_unregister(*(struct clk_hw **)res);
 }
@@ -4170,7 +4254,7 @@
 	struct clk *clk;
 	struct clk **clkp;
 
-	clkp = devres_alloc(devm_clk_release, sizeof(*clkp), GFP_KERNEL);
+	clkp = devres_alloc(devm_clk_unregister_cb, sizeof(*clkp), GFP_KERNEL);
 	if (!clkp)
 		return ERR_PTR(-ENOMEM);
 
@@ -4200,7 +4284,7 @@
 	struct clk_hw **hwp;
 	int ret;
 
-	hwp = devres_alloc(devm_clk_hw_release, sizeof(*hwp), GFP_KERNEL);
+	hwp = devres_alloc(devm_clk_hw_unregister_cb, sizeof(*hwp), GFP_KERNEL);
 	if (!hwp)
 		return -ENOMEM;
 
@@ -4244,7 +4328,7 @@
  */
 void devm_clk_unregister(struct device *dev, struct clk *clk)
 {
-	WARN_ON(devres_release(dev, devm_clk_release, devm_clk_match, clk));
+	WARN_ON(devres_release(dev, devm_clk_unregister_cb, devm_clk_match, clk));
 }
 EXPORT_SYMBOL_GPL(devm_clk_unregister);
 
@@ -4259,11 +4343,54 @@
  */
 void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw)
 {
-	WARN_ON(devres_release(dev, devm_clk_hw_release, devm_clk_hw_match,
+	WARN_ON(devres_release(dev, devm_clk_hw_unregister_cb, devm_clk_hw_match,
 				hw));
 }
 EXPORT_SYMBOL_GPL(devm_clk_hw_unregister);
 
+static void devm_clk_release(struct device *dev, void *res)
+{
+	clk_put(*(struct clk **)res);
+}
+
+/**
+ * devm_clk_hw_get_clk - resource managed clk_hw_get_clk()
+ * @dev: device that is registering this clock
+ * @hw: clk_hw associated with the clk being consumed
+ * @con_id: connection ID string on device
+ *
+ * Managed clk_hw_get_clk(). Clocks got with this function are
+ * automatically clk_put() on driver detach. See clk_put()
+ * for more information.
+ */
+struct clk *devm_clk_hw_get_clk(struct device *dev, struct clk_hw *hw,
+				const char *con_id)
+{
+	struct clk *clk;
+	struct clk **clkp;
+
+	/* This should not happen because it would mean we have drivers
+	 * passing around clk_hw pointers instead of having the caller use
+	 * proper clk_get() style APIs
+	 */
+	WARN_ON_ONCE(dev != hw->core->dev);
+
+	clkp = devres_alloc(devm_clk_release, sizeof(*clkp), GFP_KERNEL);
+	if (!clkp)
+		return ERR_PTR(-ENOMEM);
+
+	clk = clk_hw_get_clk(hw, con_id);
+	if (!IS_ERR(clk)) {
+		*clkp = clk;
+		devres_add(dev, clkp);
+	} else {
+		devres_free(clkp);
+	}
+
+	return clk;
+}
+EXPORT_SYMBOL_GPL(devm_clk_hw_get_clk);
+
 /*
  * clkdev helpers
  */
@@ -4406,6 +4533,42 @@
 }
 EXPORT_SYMBOL_GPL(clk_notifier_unregister);
 
+struct clk_notifier_devres {
+	struct clk *clk;
+	struct notifier_block *nb;
+};
+
+static void devm_clk_notifier_release(struct device *dev, void *res)
+{
+	struct clk_notifier_devres *devres = res;
+
+	clk_notifier_unregister(devres->clk, devres->nb);
+}
+
+int devm_clk_notifier_register(struct device *dev, struct clk *clk,
+			       struct notifier_block *nb)
+{
+	struct clk_notifier_devres *devres;
+	int ret;
+
+	devres = devres_alloc(devm_clk_notifier_release,
+			      sizeof(*devres), GFP_KERNEL);
+
+	if (!devres)
+		return -ENOMEM;
+
+	ret = clk_notifier_register(clk, nb);
+	if (!ret) {
+		devres->clk = clk;
+		devres->nb = nb;
+	} else {
+		devres_free(devres);
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(devm_clk_notifier_register);
+
 #ifdef CONFIG_OF
 static void clk_core_reparent_orphans(void)
 {
@@ -4498,6 +4661,9 @@
 	struct of_clk_provider *cp;
 	int ret;
 
+	if (!np)
+		return 0;
+
 	cp = kzalloc(sizeof(*cp), GFP_KERNEL);
 	if (!cp)
 		return -ENOMEM;
@@ -4517,6 +4683,8 @@
 	if (ret < 0)
 		of_clk_del_provider(np);
 
+	fwnode_dev_initialized(&np->fwnode, true);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(of_clk_add_provider);
@@ -4535,6 +4703,9 @@
 	struct of_clk_provider *cp;
 	int ret;
 
+	if (!np)
+		return 0;
+
 	cp = kzalloc(sizeof(*cp), GFP_KERNEL);
 	if (!cp)
 		return -ENOMEM;
@@ -4630,10 +4801,14 @@
 {
 	struct of_clk_provider *cp;
 
+	if (!np)
+		return;
+
 	mutex_lock(&of_clk_mutex);
 	list_for_each_entry(cp, &of_clk_providers, link) {
 		if (cp->node == np) {
 			list_del(&cp->link);
+			fwnode_dev_initialized(&np->fwnode, false);
 			of_node_put(cp->node);
 			kfree(cp);
 			break;
diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
index 9a8a548..fc002c1 100644
--- a/drivers/clk/meson/Kconfig
+++ b/drivers/clk/meson/Kconfig
@@ -58,7 +58,7 @@
 	  want peripherals and CPU frequency scaling to work.
 
 config COMMON_CLK_GXBB
-	bool "GXBB and GXL SoC clock controllers support"
+	tristate "GXBB and GXL SoC clock controllers support"
 	depends on ARM64
 	default y
 	select COMMON_CLK_MESON_REGMAP
@@ -74,7 +74,7 @@
 	  Say Y if you want peripherals and CPU frequency scaling to work.
 
 config COMMON_CLK_AXG
-	bool "AXG SoC clock controllers support"
+	tristate "AXG SoC clock controllers support"
 	depends on ARM64
 	default y
 	select COMMON_CLK_MESON_REGMAP
@@ -100,7 +100,7 @@
 	  aka axg, Say Y if you want audio subsystem to work.
 
 config COMMON_CLK_G12A
-	bool "G12 and SM1 SoC clock controllers support"
+	tristate "G12 and SM1 SoC clock controllers support"
 	depends on ARM64
 	default y
 	select COMMON_CLK_MESON_REGMAP
diff --git a/drivers/clk/meson/axg-aoclk.c b/drivers/clk/meson/axg-aoclk.c
index b488b40..af6db43 100644
--- a/drivers/clk/meson/axg-aoclk.c
+++ b/drivers/clk/meson/axg-aoclk.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/reset-controller.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
 #include "meson-aoclk.h"
 #include "axg-aoclk.h"
 
@@ -326,6 +327,7 @@
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, axg_aoclkc_match_table);
 
 static struct platform_driver axg_aoclkc_driver = {
 	.probe		= meson_aoclkc_probe,
@@ -335,4 +337,5 @@
 	},
 };
 
-builtin_platform_driver(axg_aoclkc_driver);
+module_platform_driver(axg_aoclkc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 13fc000..7ca7ea7 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
+#include <linux/module.h>
 
 #include "clk-regmap.h"
 #include "clk-pll.h"
@@ -1354,6 +1355,7 @@
 	{ .compatible = "amlogic,axg-clkc", .data = &axg_clkc_data },
 	{}
 };
+MODULE_DEVICE_TABLE(of, clkc_match_table);
 
 static struct platform_driver axg_driver = {
 	.probe		= meson_eeclkc_probe,
@@ -1363,4 +1365,5 @@
 	},
 };
 
-builtin_platform_driver(axg_driver);
+module_platform_driver(axg_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/g12a-aoclk.c b/drivers/clk/meson/g12a-aoclk.c
index 6249956..b52990e 100644
--- a/drivers/clk/meson/g12a-aoclk.c
+++ b/drivers/clk/meson/g12a-aoclk.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/reset-controller.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
 #include "meson-aoclk.h"
 #include "g12a-aoclk.h"
 
@@ -461,6 +462,7 @@
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, g12a_aoclkc_match_table);
 
 static struct platform_driver g12a_aoclkc_driver = {
 	.probe		= meson_aoclkc_probe,
@@ -470,4 +472,5 @@
 	},
 };
 
-builtin_platform_driver(g12a_aoclkc_driver);
+module_platform_driver(g12a_aoclkc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c
index 2876bb8..203fa44 100644
--- a/drivers/clk/meson/g12a.c
+++ b/drivers/clk/meson/g12a.c
@@ -15,6 +15,7 @@
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/module.h>
 
 #include "clk-mpll.h"
 #include "clk-pll.h"
@@ -5156,10 +5157,11 @@
 	{ .reg = HHI_MPLL_CNTL0,	.def = 0x00000543 },
 };
 
-static int meson_g12a_dvfs_setup_common(struct platform_device *pdev,
+#define DVFS_CON_ID "dvfs"
+
+static int meson_g12a_dvfs_setup_common(struct device *dev,
 					struct clk_hw **hws)
 {
-	const char *notifier_clk_name;
 	struct clk *notifier_clk;
 	struct clk_hw *xtal;
 	int ret;
@@ -5168,21 +5170,22 @@
 
 	/* Setup clock notifier for cpu_clk_postmux0 */
 	g12a_cpu_clk_postmux0_nb_data.xtal = xtal;
-	notifier_clk_name = clk_hw_get_name(&g12a_cpu_clk_postmux0.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk,
-				    &g12a_cpu_clk_postmux0_nb_data.nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12a_cpu_clk_postmux0.hw,
+					   DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12a_cpu_clk_postmux0_nb_data.nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the cpu_clk_postmux0 notifier\n");
+		dev_err(dev, "failed to register the cpu_clk_postmux0 notifier\n");
 		return ret;
 	}
 
 	/* Setup clock notifier for cpu_clk_dyn mux */
-	notifier_clk_name = clk_hw_get_name(&g12a_cpu_clk_dyn.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12a_cpu_clk_dyn.hw,
+					   DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12a_cpu_clk_mux_nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the cpu_clk_dyn notifier\n");
+		dev_err(dev, "failed to register the cpu_clk_dyn notifier\n");
 		return ret;
 	}
 
@@ -5192,33 +5195,34 @@
 static int meson_g12b_dvfs_setup(struct platform_device *pdev)
 {
 	struct clk_hw **hws = g12b_hw_onecell_data.hws;
-	const char *notifier_clk_name;
+	struct device *dev = &pdev->dev;
 	struct clk *notifier_clk;
 	struct clk_hw *xtal;
 	int ret;
 
-	ret = meson_g12a_dvfs_setup_common(pdev, hws);
+	ret = meson_g12a_dvfs_setup_common(dev, hws);
 	if (ret)
 		return ret;
 
 	xtal = clk_hw_get_parent_by_index(hws[CLKID_CPU_CLK_DYN1_SEL], 0);
 
 	/* Setup clock notifier for cpu_clk mux */
-	notifier_clk_name = clk_hw_get_name(&g12b_cpu_clk.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpu_clk.hw,
+					   DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12a_cpu_clk_mux_nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the cpu_clk notifier\n");
+		dev_err(dev, "failed to register the cpu_clk notifier\n");
 		return ret;
 	}
 
 	/* Setup clock notifier for sys1_pll */
-	notifier_clk_name = clk_hw_get_name(&g12b_sys1_pll.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk,
-				    &g12b_cpu_clk_sys1_pll_nb_data.nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12b_sys1_pll.hw,
+					   DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12b_cpu_clk_sys1_pll_nb_data.nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the sys1_pll notifier\n");
+		dev_err(dev, "failed to register the sys1_pll notifier\n");
 		return ret;
 	}
 
@@ -5226,40 +5230,39 @@
 
 	/* Setup clock notifier for cpub_clk_postmux0 */
 	g12b_cpub_clk_postmux0_nb_data.xtal = xtal;
-	notifier_clk_name = clk_hw_get_name(&g12b_cpub_clk_postmux0.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk,
-				    &g12b_cpub_clk_postmux0_nb_data.nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpub_clk_postmux0.hw,
+					   DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12b_cpub_clk_postmux0_nb_data.nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the cpub_clk_postmux0 notifier\n");
+		dev_err(dev, "failed to register the cpub_clk_postmux0 notifier\n");
 		return ret;
 	}
 
 	/* Setup clock notifier for cpub_clk_dyn mux */
-	notifier_clk_name = clk_hw_get_name(&g12b_cpub_clk_dyn.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpub_clk_dyn.hw, "dvfs");
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12a_cpu_clk_mux_nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the cpub_clk_dyn notifier\n");
+		dev_err(dev, "failed to register the cpub_clk_dyn notifier\n");
 		return ret;
 	}
 
 	/* Setup clock notifier for cpub_clk mux */
-	notifier_clk_name = clk_hw_get_name(&g12b_cpub_clk.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpub_clk.hw, DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12a_cpu_clk_mux_nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the cpub_clk notifier\n");
+		dev_err(dev, "failed to register the cpub_clk notifier\n");
 		return ret;
 	}
 
 	/* Setup clock notifier for sys_pll */
-	notifier_clk_name = clk_hw_get_name(&g12a_sys_pll.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk,
-				    &g12b_cpub_clk_sys_pll_nb_data.nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12a_sys_pll.hw, DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12b_cpub_clk_sys_pll_nb_data.nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the sys_pll notifier\n");
+		dev_err(dev, "failed to register the sys_pll notifier\n");
 		return ret;
 	}
 
@@ -5269,29 +5272,29 @@
 static int meson_g12a_dvfs_setup(struct platform_device *pdev)
 {
 	struct clk_hw **hws = g12a_hw_onecell_data.hws;
-	const char *notifier_clk_name;
+	struct device *dev = &pdev->dev;
 	struct clk *notifier_clk;
 	int ret;
 
-	ret = meson_g12a_dvfs_setup_common(pdev, hws);
+	ret = meson_g12a_dvfs_setup_common(dev, hws);
 	if (ret)
 		return ret;
 
 	/* Setup clock notifier for cpu_clk mux */
-	notifier_clk_name = clk_hw_get_name(&g12a_cpu_clk.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12a_cpu_clk.hw, DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+				    &g12a_cpu_clk_mux_nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the cpu_clk notifier\n");
+		dev_err(dev, "failed to register the cpu_clk notifier\n");
 		return ret;
 	}
 
 	/* Setup clock notifier for sys_pll */
-	notifier_clk_name = clk_hw_get_name(&g12a_sys_pll.hw);
-	notifier_clk = __clk_lookup(notifier_clk_name);
-	ret = clk_notifier_register(notifier_clk, &g12a_sys_pll_nb_data.nb);
+	notifier_clk = devm_clk_hw_get_clk(dev, &g12a_sys_pll.hw, DVFS_CON_ID);
+	ret = devm_clk_notifier_register(dev, notifier_clk,
+					 &g12a_sys_pll_nb_data.nb);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register the sys_pll notifier\n");
+		dev_err(dev, "failed to register the sys_pll notifier\n");
 		return ret;
 	}
 
@@ -5370,6 +5373,7 @@
 	},
 	{}
 };
+MODULE_DEVICE_TABLE(of, clkc_match_table);
 
 static struct platform_driver g12a_driver = {
 	.probe		= meson_g12a_probe,
@@ -5379,4 +5383,5 @@
 	},
 };
 
-builtin_platform_driver(g12a_driver);
+module_platform_driver(g12a_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/gxbb-aoclk.c b/drivers/clk/meson/gxbb-aoclk.c
index e940861..fce95cf 100644
--- a/drivers/clk/meson/gxbb-aoclk.c
+++ b/drivers/clk/meson/gxbb-aoclk.c
@@ -5,6 +5,7 @@
  */
 #include <linux/platform_device.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
 #include "meson-aoclk.h"
 #include "gxbb-aoclk.h"
 
@@ -287,6 +288,7 @@
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, gxbb_aoclkc_match_table);
 
 static struct platform_driver gxbb_aoclkc_driver = {
 	.probe		= meson_aoclkc_probe,
@@ -295,4 +297,5 @@
 		.of_match_table = gxbb_aoclkc_match_table,
 	},
 };
-builtin_platform_driver(gxbb_aoclkc_driver);
+module_platform_driver(gxbb_aoclkc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index d42551a..608e0e8 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -8,6 +8,7 @@
 #include <linux/init.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
+#include <linux/module.h>
 
 #include "gxbb.h"
 #include "clk-regmap.h"
@@ -3557,6 +3558,7 @@
 	{ .compatible = "amlogic,gxl-clkc", .data = &gxl_clkc_data },
 	{},
 };
+MODULE_DEVICE_TABLE(of, clkc_match_table);
 
 static struct platform_driver gxbb_driver = {
 	.probe		= meson_eeclkc_probe,
@@ -3566,4 +3568,5 @@
 	},
 };
 
-builtin_platform_driver(gxbb_driver);
+module_platform_driver(gxbb_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/meson-aoclk.c b/drivers/clk/meson/meson-aoclk.c
index 67d8a0d..434cd8f 100644
--- a/drivers/clk/meson/meson-aoclk.c
+++ b/drivers/clk/meson/meson-aoclk.c
@@ -14,6 +14,8 @@
 #include <linux/reset-controller.h>
 #include <linux/mfd/syscon.h>
 #include <linux/of_device.h>
+#include <linux/module.h>
+
 #include <linux/slab.h>
 #include "meson-aoclk.h"
 
@@ -87,3 +89,5 @@
 	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
 		(void *) data->hw_data);
 }
+EXPORT_SYMBOL_GPL(meson_aoclkc_probe);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/meson-eeclk.c b/drivers/clk/meson/meson-eeclk.c
index 18ae387..0e5e6b5 100644
--- a/drivers/clk/meson/meson-eeclk.c
+++ b/drivers/clk/meson/meson-eeclk.c
@@ -9,6 +9,7 @@
 #include <linux/platform_device.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
+#include <linux/module.h>
 
 #include "clk-regmap.h"
 #include "meson-eeclk.h"
@@ -57,3 +58,5 @@
 	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
 					   data->hw_onecell_data);
 }
+EXPORT_SYMBOL_GPL(meson_eeclkc_probe);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/qcom/dispcc-sdm845.c b/drivers/clk/qcom/dispcc-sdm845.c
index 5c932cd..11e03f7 100644
--- a/drivers/clk/qcom/dispcc-sdm845.c
+++ b/drivers/clk/qcom/dispcc-sdm845.c
@@ -3,6 +3,7 @@
  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
  */
 
+#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
@@ -878,6 +879,7 @@
 	.driver		= {
 		.name	= "disp_cc-sdm845",
 		.of_match_table = disp_cc_sdm845_match_table,
+		.sync_state = clk_sync_state,
 	},
 };
 
diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c
index b8dcfe6..6839358 100644
--- a/drivers/clk/qcom/gcc-msm8998.c
+++ b/drivers/clk/qcom/gcc-msm8998.c
@@ -3119,6 +3119,7 @@
 	.driver		= {
 		.name	= "gcc-msm8998",
 		.of_match_table = gcc_msm8998_match_table,
+		.sync_state = clk_sync_state,
 	},
 };
 
diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c
index 90f7feb..50694f5 100644
--- a/drivers/clk/qcom/gcc-sdm845.c
+++ b/drivers/clk/qcom/gcc-sdm845.c
@@ -3628,6 +3628,7 @@
 	.driver		= {
 		.name	= "gcc-sdm845",
 		.of_match_table = gcc_sdm845_match_table,
+		.sync_state = clk_sync_state,
 	},
 };
 
diff --git a/drivers/clk/qcom/gpucc-sdm845.c b/drivers/clk/qcom/gpucc-sdm845.c
index 658c6ac..1981755b 100644
--- a/drivers/clk/qcom/gpucc-sdm845.c
+++ b/drivers/clk/qcom/gpucc-sdm845.c
@@ -203,6 +203,7 @@
 	.driver = {
 		.name = "sdm845-gpucc",
 		.of_match_table = gpu_cc_sdm845_match_table,
+		.sync_state = clk_sync_state,
 	},
 };
 
diff --git a/drivers/clk/qcom/videocc-sdm845.c b/drivers/clk/qcom/videocc-sdm845.c
index 5d6a772..5822252 100644
--- a/drivers/clk/qcom/videocc-sdm845.c
+++ b/drivers/clk/qcom/videocc-sdm845.c
@@ -338,6 +338,7 @@
 	.driver		= {
 		.name	= "sdm845-videocc",
 		.of_match_table = video_cc_sdm845_match_table,
+		.sync_state = clk_sync_state,
 	},
 };
 
diff --git a/drivers/clk/versatile/Kconfig b/drivers/clk/versatile/Kconfig
index 91f0ff5..481de56 100644
--- a/drivers/clk/versatile/Kconfig
+++ b/drivers/clk/versatile/Kconfig
@@ -1,8 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 menu "Clock driver for ARM Reference designs"
-	depends on ARCH_INTEGRATOR || ARCH_REALVIEW || \
-		ARCH_VERSATILE || ARCH_VEXPRESS || COMPILE_TEST
+	depends on HAS_IOMEM
 
 config ICST
 	bool "Clock driver for ARM Reference designs ICST"
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index a0c6e88..df50146 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -128,7 +128,7 @@
 	  Enables the support for the RDA Micro timer driver.
 
 config SUN4I_TIMER
-	bool "Sun4i timer driver" if COMPILE_TEST
+	bool "Sun4i timer driver"
 	depends on HAS_IOMEM
 	select CLKSRC_MMIO
 	select TIMER_OF
@@ -478,7 +478,7 @@
 	bool
 
 config MTK_TIMER
-	bool "Mediatek timer driver" if COMPILE_TEST
+	bool "Mediatek timer driver"
 	depends on HAS_IOMEM
 	select TIMER_OF
 	select CLKSRC_MMIO
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index f488176..5aeab54 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -16,6 +16,7 @@
 #include <linux/cpu_pm.h>
 #include <linux/clockchips.h>
 #include <linux/clocksource.h>
+#include <linux/clocksource_ids.h>
 #include <linux/interrupt.h>
 #include <linux/of_irq.h>
 #include <linux/of_address.h>
@@ -24,6 +25,8 @@
 #include <linux/sched/clock.h>
 #include <linux/sched_clock.h>
 #include <linux/acpi.h>
+#include <linux/arm-smccc.h>
+#include <linux/ptp_kvm.h>
 
 #include <asm/arch_timer.h>
 #include <asm/virt.h>
@@ -191,6 +194,7 @@
 
 static struct clocksource clocksource_counter = {
 	.name	= "arch_sys_counter",
+	.id	= CSID_ARM_ARCH_COUNTER,
 	.rating	= 400,
 	.read	= arch_counter_read,
 	.mask	= CLOCKSOURCE_MASK(56),
@@ -1657,3 +1661,35 @@
 }
 TIMER_ACPI_DECLARE(arch_timer, ACPI_SIG_GTDT, arch_timer_acpi_init);
 #endif
+
+int kvm_arch_ptp_get_crosststamp(u64 *cycle, struct timespec64 *ts,
+				 struct clocksource **cs)
+{
+	struct arm_smccc_res hvc_res;
+	u32 ptp_counter;
+	ktime_t ktime;
+
+	if (!IS_ENABLED(CONFIG_HAVE_ARM_SMCCC_DISCOVERY))
+		return -EOPNOTSUPP;
+
+	if (arch_timer_uses_ppi == ARCH_TIMER_VIRT_PPI)
+		ptp_counter = KVM_PTP_VIRT_COUNTER;
+	else
+		ptp_counter = KVM_PTP_PHYS_COUNTER;
+
+	arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID,
+			     ptp_counter, &hvc_res);
+
+	if ((int)(hvc_res.a0) < 0)
+		return -EOPNOTSUPP;
+
+	ktime = (u64)hvc_res.a0 << 32 | hvc_res.a1;
+	*ts = ktime_to_timespec64(ktime);
+	if (cycle)
+		*cycle = (u64)hvc_res.a2 << 32 | hvc_res.a3;
+	if (cs)
+		*cs = &clocksource_counter;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(kvm_arch_ptp_get_crosststamp);
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 66e4872..89cddbf 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -682,7 +682,7 @@
 		return;
 
 	sh_cmt_stop(ch, FLAG_CLOCKSOURCE);
-	pm_genpd_syscore_poweroff(&ch->cmt->pdev->dev);
+	dev_pm_genpd_suspend(&ch->cmt->pdev->dev);
 }
 
 static void sh_cmt_clocksource_resume(struct clocksource *cs)
@@ -692,7 +692,7 @@
 	if (!ch->cs_enabled)
 		return;
 
-	pm_genpd_syscore_poweron(&ch->cmt->pdev->dev);
+	dev_pm_genpd_resume(&ch->cmt->pdev->dev);
 	sh_cmt_start(ch, FLAG_CLOCKSOURCE);
 }
 
@@ -784,7 +784,7 @@
 {
 	struct sh_cmt_channel *ch = ced_to_sh_cmt(ced);
 
-	pm_genpd_syscore_poweroff(&ch->cmt->pdev->dev);
+	dev_pm_genpd_suspend(&ch->cmt->pdev->dev);
 	clk_unprepare(ch->cmt->clk);
 }
 
@@ -793,7 +793,7 @@
 	struct sh_cmt_channel *ch = ced_to_sh_cmt(ced);
 
 	clk_prepare(ch->cmt->clk);
-	pm_genpd_syscore_poweron(&ch->cmt->pdev->dev);
+	dev_pm_genpd_resume(&ch->cmt->pdev->dev);
 }
 
 static int sh_cmt_register_clockevent(struct sh_cmt_channel *ch,
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index bfccb31..169a1fc 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -297,12 +297,12 @@
 
 static void sh_mtu2_clock_event_suspend(struct clock_event_device *ced)
 {
-	pm_genpd_syscore_poweroff(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
+	dev_pm_genpd_suspend(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
 }
 
 static void sh_mtu2_clock_event_resume(struct clock_event_device *ced)
 {
-	pm_genpd_syscore_poweron(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
+	dev_pm_genpd_resume(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
 }
 
 static void sh_mtu2_register_clockevent(struct sh_mtu2_channel *ch,
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index d41df9b..b00dec0 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -292,7 +292,7 @@
 
 	if (--ch->enable_count == 0) {
 		__sh_tmu_disable(ch);
-		pm_genpd_syscore_poweroff(&ch->tmu->pdev->dev);
+		dev_pm_genpd_suspend(&ch->tmu->pdev->dev);
 	}
 }
 
@@ -304,7 +304,7 @@
 		return;
 
 	if (ch->enable_count++ == 0) {
-		pm_genpd_syscore_poweron(&ch->tmu->pdev->dev);
+		dev_pm_genpd_resume(&ch->tmu->pdev->dev);
 		__sh_tmu_enable(ch);
 	}
 }
@@ -394,12 +394,12 @@
 
 static void sh_tmu_clock_event_suspend(struct clock_event_device *ced)
 {
-	pm_genpd_syscore_poweroff(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
+	dev_pm_genpd_suspend(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
 }
 
 static void sh_tmu_clock_event_resume(struct clock_event_device *ced)
 {
-	pm_genpd_syscore_poweron(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
+	dev_pm_genpd_resume(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
 }
 
 static void sh_tmu_register_clockevent(struct sh_tmu_channel *ch,
diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index b965f20..c5c84c7 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -19,7 +19,7 @@
  *
  * Free the irq resource
  */
-static __init void timer_of_irq_exit(struct of_timer_irq *of_irq)
+static void timer_of_irq_exit(struct of_timer_irq *of_irq)
 {
 	struct timer_of *to = container_of(of_irq, struct timer_of, of_irq);
 
@@ -47,7 +47,7 @@
  *
  * Returns 0 on success, < 0 otherwise
  */
-static __init int timer_of_irq_init(struct device_node *np,
+static int timer_of_irq_init(struct device_node *np,
 				    struct of_timer_irq *of_irq)
 {
 	int ret;
@@ -91,7 +91,7 @@
  *
  * Disables and releases the refcount on the clk
  */
-static __init void timer_of_clk_exit(struct of_timer_clk *of_clk)
+static void timer_of_clk_exit(struct of_timer_clk *of_clk)
 {
 	of_clk->rate = 0;
 	clk_disable_unprepare(of_clk->clk);
@@ -107,7 +107,7 @@
  *
  * Returns 0 on success, < 0 otherwise
  */
-static __init int timer_of_clk_init(struct device_node *np,
+static int timer_of_clk_init(struct device_node *np,
 				    struct of_timer_clk *of_clk)
 {
 	int ret;
@@ -146,12 +146,12 @@
 	goto out;
 }
 
-static __init void timer_of_base_exit(struct of_timer_base *of_base)
+static void timer_of_base_exit(struct of_timer_base *of_base)
 {
 	iounmap(of_base->base);
 }
 
-static __init int timer_of_base_init(struct device_node *np,
+static int timer_of_base_init(struct device_node *np,
 				     struct of_timer_base *of_base)
 {
 	of_base->base = of_base->name ?
@@ -165,7 +165,7 @@
 	return 0;
 }
 
-int __init timer_of_init(struct device_node *np, struct timer_of *to)
+int timer_of_init(struct device_node *np, struct timer_of *to)
 {
 	int ret = -EINVAL;
 	int flags = 0;
@@ -209,6 +209,7 @@
 		timer_of_base_exit(&to->of_base);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(timer_of_init);
 
 /**
  * timer_of_cleanup - release timer_of ressources
@@ -217,7 +218,7 @@
  * Release the ressources that has been used in timer_of_init().
  * This function should be called in init error cases
  */
-void __init timer_of_cleanup(struct timer_of *to)
+void timer_of_cleanup(struct timer_of *to)
 {
 	if (to->flags & TIMER_OF_IRQ)
 		timer_of_irq_exit(&to->of_irq);
diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h
index a5478f3..1b8cfac5 100644
--- a/drivers/clocksource/timer-of.h
+++ b/drivers/clocksource/timer-of.h
@@ -66,9 +66,9 @@
 	return to->of_clk.period;
 }
 
-extern int __init timer_of_init(struct device_node *np,
+extern int timer_of_init(struct device_node *np,
 				struct timer_of *to);
 
-extern void __init timer_of_cleanup(struct timer_of *to);
+extern void timer_of_cleanup(struct timer_of *to);
 
 #endif
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 85de313..cf79fe1 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -34,6 +34,13 @@
 
 	  If in doubt, say N.
 
+config CPU_FREQ_TIMES
+       bool "CPU frequency time-in-state statistics"
+       help
+         Export CPU time-in-state information through procfs.
+
+         If in doubt, say N.
+
 choice
 	prompt "Default CPUFreq governor"
 	default CPU_FREQ_DEFAULT_GOV_USERSPACE if ARM_SA1100_CPUFREQ || ARM_SA1110_CPUFREQ
@@ -226,6 +233,15 @@
 
 	  If in doubt, say N.
 
+config CPUFREQ_DUMMY
+	tristate "Dummy CPU frequency driver"
+	help
+	  This option adds a generic dummy CPUfreq driver, which sets a fake
+	  2-frequency table when initializing each policy and otherwise does
+	  nothing.
+
+	  If in doubt, say N
+
 if X86
 source "drivers/cpufreq/Kconfig.x86"
 endif
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index f1b7e3d..b2f4531 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -5,7 +5,10 @@
 # CPUfreq stats
 obj-$(CONFIG_CPU_FREQ_STAT)             += cpufreq_stats.o
 
-# CPUfreq governors 
+# CPUfreq times
+obj-$(CONFIG_CPU_FREQ_TIMES)		+= cpufreq_times.o
+
+# CPUfreq governors
 obj-$(CONFIG_CPU_FREQ_GOV_PERFORMANCE)	+= cpufreq_performance.o
 obj-$(CONFIG_CPU_FREQ_GOV_POWERSAVE)	+= cpufreq_powersave.o
 obj-$(CONFIG_CPU_FREQ_GOV_USERSPACE)	+= cpufreq_userspace.o
@@ -17,6 +20,8 @@
 obj-$(CONFIG_CPUFREQ_DT)		+= cpufreq-dt.o
 obj-$(CONFIG_CPUFREQ_DT_PLATDEV)	+= cpufreq-dt-platdev.o
 
+obj-$(CONFIG_CPUFREQ_DUMMY)		+= dummy-cpufreq.o
+
 ##################################################################################
 # x86 drivers.
 # Link order matters. K8 is preferred to ACPI because of firmware bugs in early
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 5b4bca7..41fc642 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -16,6 +16,7 @@
 
 #include <linux/cpu.h>
 #include <linux/cpufreq.h>
+#include <linux/cpufreq_times.h>
 #include <linux/cpu_cooling.h>
 #include <linux/delay.h>
 #include <linux/device.h>
@@ -29,6 +30,7 @@
 #include <linux/syscore_ops.h>
 #include <linux/tick.h>
 #include <trace/events/power.h>
+#include <trace/hooks/cpufreq.h>
 
 static LIST_HEAD(cpufreq_policy_list);
 
@@ -387,7 +389,9 @@
 					 CPUFREQ_POSTCHANGE, freqs);
 
 		cpufreq_stats_record_transition(policy, freqs->new);
+		cpufreq_times_record_transition(policy, freqs->new);
 		policy->cur = freqs->new;
+		trace_android_rvh_cpufreq_transition(policy);
 	}
 }
 
@@ -541,7 +545,10 @@
 unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy,
 					 unsigned int target_freq)
 {
+	unsigned int old_target_freq = target_freq;
+
 	target_freq = clamp_val(target_freq, policy->min, policy->max);
+	trace_android_vh_cpufreq_resolve_freq(policy, &target_freq, old_target_freq);
 	policy->cached_target_freq = target_freq;
 
 	if (cpufreq_driver->target_index) {
@@ -690,8 +697,15 @@
 	return sprintf(buf, "%u\n", policy->object);	\
 }
 
+static ssize_t show_cpuinfo_max_freq(struct cpufreq_policy *policy, char *buf)
+{
+	unsigned int max_freq = policy->cpuinfo.max_freq;
+
+	trace_android_vh_show_max_freq(policy, &max_freq);
+	return sprintf(buf, "%u\n", max_freq);
+}
+
 show_one(cpuinfo_min_freq, cpuinfo.min_freq);
-show_one(cpuinfo_max_freq, cpuinfo.max_freq);
 show_one(cpuinfo_transition_latency, cpuinfo.transition_latency);
 show_one(scaling_min_freq, min);
 show_one(scaling_max_freq, max);
@@ -1485,6 +1499,7 @@
 			goto out_destroy_policy;
 
 		cpufreq_stats_create_table(policy);
+		cpufreq_times_create_policy(policy);
 
 		write_lock_irqsave(&cpufreq_driver_lock, flags);
 		list_add(&policy->policy_list, &cpufreq_policy_list);
@@ -2082,9 +2097,11 @@
 					unsigned int target_freq)
 {
 	unsigned int freq;
+	unsigned int old_target_freq = target_freq;
 	int cpu;
 
 	target_freq = clamp_val(target_freq, policy->min, policy->max);
+	trace_android_vh_cpufreq_fast_switch(policy, &target_freq, old_target_freq);
 	freq = cpufreq_driver->fast_switch(policy, target_freq);
 
 	if (!freq)
@@ -2094,6 +2111,7 @@
 	arch_set_freq_scale(policy->related_cpus, freq,
 			    policy->cpuinfo.max_freq);
 	cpufreq_stats_record_transition(policy, freq);
+	trace_android_rvh_cpufreq_transition(policy);
 
 	if (trace_cpu_frequency_enabled()) {
 		for_each_cpu(cpu, policy->cpus)
@@ -2199,6 +2217,7 @@
 
 	/* Make sure that target_freq is within supported range */
 	target_freq = clamp_val(target_freq, policy->min, policy->max);
+	trace_android_vh_cpufreq_target(policy, &target_freq, old_target_freq);
 
 	pr_debug("target for CPU %u: %u kHz, relation %u, requested %u kHz\n",
 		 policy->cpu, target_freq, relation, old_target_freq);
@@ -2519,7 +2538,6 @@
 		ret = cpufreq_start_governor(policy);
 		if (!ret) {
 			pr_debug("governor change\n");
-			sched_cpufreq_governor_change(policy, old_gov);
 			return 0;
 		}
 		cpufreq_exit_governor(policy);
@@ -2537,6 +2555,7 @@
 
 	return ret;
 }
+EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_frequency_limits);
 
 /**
  * cpufreq_update_policy - Re-evaluate an existing cpufreq policy.
diff --git a/drivers/cpufreq/cpufreq_times.c b/drivers/cpufreq/cpufreq_times.c
new file mode 100644
index 0000000..47dc34c
--- /dev/null
+++ b/drivers/cpufreq/cpufreq_times.c
@@ -0,0 +1,214 @@
+/* drivers/cpufreq/cpufreq_times.c
+ *
+ * Copyright (C) 2018 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/cpufreq.h>
+#include <linux/cpufreq_times.h>
+#include <linux/jiffies.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/threads.h>
+#include <trace/hooks/cpufreq.h>
+
+static DEFINE_SPINLOCK(task_time_in_state_lock); /* task->time_in_state */
+
+/**
+ * struct cpu_freqs - per-cpu frequency information
+ * @offset: start of these freqs' stats in task time_in_state array
+ * @max_state: number of entries in freq_table
+ * @last_index: index in freq_table of last frequency switched to
+ * @freq_table: list of available frequencies
+ */
+struct cpu_freqs {
+	unsigned int offset;
+	unsigned int max_state;
+	unsigned int last_index;
+	unsigned int freq_table[0];
+};
+
+static struct cpu_freqs *all_freqs[NR_CPUS];
+
+static unsigned int next_offset;
+
+void cpufreq_task_times_init(struct task_struct *p)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&task_time_in_state_lock, flags);
+	p->time_in_state = NULL;
+	spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+	p->max_state = 0;
+}
+
+void cpufreq_task_times_alloc(struct task_struct *p)
+{
+	void *temp;
+	unsigned long flags;
+	unsigned int max_state = READ_ONCE(next_offset);
+
+	/* We use one array to avoid multiple allocs per task */
+	temp = kcalloc(max_state, sizeof(p->time_in_state[0]), GFP_ATOMIC);
+	if (!temp)
+		return;
+
+	spin_lock_irqsave(&task_time_in_state_lock, flags);
+	p->time_in_state = temp;
+	spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+	p->max_state = max_state;
+}
+
+/* Caller must hold task_time_in_state_lock */
+static int cpufreq_task_times_realloc_locked(struct task_struct *p)
+{
+	void *temp;
+	unsigned int max_state = READ_ONCE(next_offset);
+
+	temp = krealloc(p->time_in_state, max_state * sizeof(u64), GFP_ATOMIC);
+	if (!temp)
+		return -ENOMEM;
+	p->time_in_state = temp;
+	memset(p->time_in_state + p->max_state, 0,
+	       (max_state - p->max_state) * sizeof(u64));
+	p->max_state = max_state;
+	return 0;
+}
+
+void cpufreq_task_times_exit(struct task_struct *p)
+{
+	unsigned long flags;
+	void *temp;
+
+	if (!p->time_in_state)
+		return;
+
+	spin_lock_irqsave(&task_time_in_state_lock, flags);
+	temp = p->time_in_state;
+	p->time_in_state = NULL;
+	spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+	kfree(temp);
+}
+
+int proc_time_in_state_show(struct seq_file *m, struct pid_namespace *ns,
+	struct pid *pid, struct task_struct *p)
+{
+	unsigned int cpu, i;
+	u64 cputime;
+	unsigned long flags;
+	struct cpu_freqs *freqs;
+	struct cpu_freqs *last_freqs = NULL;
+
+	spin_lock_irqsave(&task_time_in_state_lock, flags);
+	for_each_possible_cpu(cpu) {
+		freqs = all_freqs[cpu];
+		if (!freqs || freqs == last_freqs)
+			continue;
+		last_freqs = freqs;
+
+		seq_printf(m, "cpu%u\n", cpu);
+		for (i = 0; i < freqs->max_state; i++) {
+			cputime = 0;
+			if (freqs->offset + i < p->max_state &&
+			    p->time_in_state)
+				cputime = p->time_in_state[freqs->offset + i];
+			seq_printf(m, "%u %lu\n", freqs->freq_table[i],
+				   (unsigned long)nsec_to_clock_t(cputime));
+		}
+	}
+	spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+	return 0;
+}
+
+void cpufreq_acct_update_power(struct task_struct *p, u64 cputime)
+{
+	unsigned long flags;
+	unsigned int state;
+	struct cpu_freqs *freqs = all_freqs[task_cpu(p)];
+
+	if (!freqs || is_idle_task(p) || p->flags & PF_EXITING)
+		return;
+
+	state = freqs->offset + READ_ONCE(freqs->last_index);
+
+	spin_lock_irqsave(&task_time_in_state_lock, flags);
+	if ((state < p->max_state || !cpufreq_task_times_realloc_locked(p)) &&
+	    p->time_in_state)
+		p->time_in_state[state] += cputime;
+	spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+
+	trace_android_vh_cpufreq_acct_update_power(cputime, p, state);
+}
+
+static int cpufreq_times_get_index(struct cpu_freqs *freqs, unsigned int freq)
+{
+	int index;
+        for (index = 0; index < freqs->max_state; ++index) {
+		if (freqs->freq_table[index] == freq)
+			return index;
+        }
+	return -1;
+}
+
+void cpufreq_times_create_policy(struct cpufreq_policy *policy)
+{
+	int cpu, index = 0;
+	unsigned int count = 0;
+	struct cpufreq_frequency_table *pos, *table;
+	struct cpu_freqs *freqs;
+	void *tmp;
+
+	if (all_freqs[policy->cpu])
+		return;
+
+	table = policy->freq_table;
+	if (!table)
+		return;
+
+	cpufreq_for_each_valid_entry(pos, table)
+		count++;
+
+	tmp =  kzalloc(sizeof(*freqs) + sizeof(freqs->freq_table[0]) * count,
+		       GFP_KERNEL);
+	if (!tmp)
+		return;
+
+	freqs = tmp;
+	freqs->max_state = count;
+
+	cpufreq_for_each_valid_entry(pos, table)
+		freqs->freq_table[index++] = pos->frequency;
+
+	index = cpufreq_times_get_index(freqs, policy->cur);
+	if (index >= 0)
+		WRITE_ONCE(freqs->last_index, index);
+
+	freqs->offset = next_offset;
+	WRITE_ONCE(next_offset, freqs->offset + count);
+	for_each_cpu(cpu, policy->related_cpus)
+		all_freqs[cpu] = freqs;
+}
+
+void cpufreq_times_record_transition(struct cpufreq_policy *policy,
+	unsigned int new_freq)
+{
+	int index;
+	struct cpu_freqs *freqs = all_freqs[policy->cpu];
+	if (!freqs)
+		return;
+
+	index = cpufreq_times_get_index(freqs, new_freq);
+	if (index >= 0)
+		WRITE_ONCE(freqs->last_index, index);
+}
diff --git a/drivers/cpufreq/dummy-cpufreq.c b/drivers/cpufreq/dummy-cpufreq.c
new file mode 100644
index 0000000..e74ef67
--- /dev/null
+++ b/drivers/cpufreq/dummy-cpufreq.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Google, Inc.
+ */
+#include <linux/cpufreq.h>
+#include <linux/module.h>
+
+static struct cpufreq_frequency_table freq_table[] = {
+	{ .frequency = 1 },
+	{ .frequency = 2 },
+	{ .frequency = CPUFREQ_TABLE_END },
+};
+
+static int dummy_cpufreq_target_index(struct cpufreq_policy *policy,
+				   unsigned int index)
+{
+	return 0;
+}
+
+static int dummy_cpufreq_driver_init(struct cpufreq_policy *policy)
+{
+	policy->freq_table = freq_table;
+	return 0;
+}
+
+static unsigned int dummy_cpufreq_get(unsigned int cpu)
+{
+	return 1;
+}
+
+static int dummy_cpufreq_verify(struct cpufreq_policy_data *data)
+{
+	return 0;
+}
+
+static struct cpufreq_driver dummy_cpufreq_driver = {
+	.name = "dummy",
+	.target_index = dummy_cpufreq_target_index,
+	.init = dummy_cpufreq_driver_init,
+	.get = dummy_cpufreq_get,
+	.verify = dummy_cpufreq_verify,
+	.attr = cpufreq_generic_attr,
+};
+
+static int __init dummy_cpufreq_init(void)
+{
+	return cpufreq_register_driver(&dummy_cpufreq_driver);
+}
+
+static void __exit dummy_cpufreq_exit(void)
+{
+	cpufreq_unregister_driver(&dummy_cpufreq_driver);
+}
+
+module_init(dummy_cpufreq_init);
+module_exit(dummy_cpufreq_exit);
+
+MODULE_AUTHOR("Connor O'Brien <connoro@google.com>");
+MODULE_DESCRIPTION("dummy cpufreq driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
index d3f756f..483b518 100644
--- a/drivers/cpufreq/freq_table.c
+++ b/drivers/cpufreq/freq_table.c
@@ -9,6 +9,7 @@
 
 #include <linux/cpufreq.h>
 #include <linux/module.h>
+#include <trace/hooks/cpufreq.h>
 
 /*********************************************************************
  *                     FREQUENCY TABLE HELPERS                       *
@@ -51,6 +52,7 @@
 			max_freq = freq;
 	}
 
+	trace_android_vh_freq_table_limits(policy, min_freq, max_freq);
 	policy->min = policy->cpuinfo.min_freq = min_freq;
 	policy->max = max_freq;
 	/*
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index bb1389f..3241c4c 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -25,17 +25,17 @@
 	struct device *cpu_dev;
 };
 
-static const struct scmi_handle *handle;
+static struct scmi_protocol_handle *ph;
+static const struct scmi_perf_proto_ops *perf_ops;
 
 static unsigned int scmi_cpufreq_get_rate(unsigned int cpu)
 {
 	struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu);
-	const struct scmi_perf_ops *perf_ops = handle->perf_ops;
 	struct scmi_data *priv = policy->driver_data;
 	unsigned long rate;
 	int ret;
 
-	ret = perf_ops->freq_get(handle, priv->domain_id, &rate, false);
+	ret = perf_ops->freq_get(ph, priv->domain_id, &rate, false);
 	if (ret)
 		return 0;
 	return rate / 1000;
@@ -50,19 +50,17 @@
 scmi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index)
 {
 	struct scmi_data *priv = policy->driver_data;
-	const struct scmi_perf_ops *perf_ops = handle->perf_ops;
 	u64 freq = policy->freq_table[index].frequency;
 
-	return perf_ops->freq_set(handle, priv->domain_id, freq * 1000, false);
+	return perf_ops->freq_set(ph, priv->domain_id, freq * 1000, false);
 }
 
 static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy,
 					     unsigned int target_freq)
 {
 	struct scmi_data *priv = policy->driver_data;
-	const struct scmi_perf_ops *perf_ops = handle->perf_ops;
 
-	if (!perf_ops->freq_set(handle, priv->domain_id,
+	if (!perf_ops->freq_set(ph, priv->domain_id,
 				target_freq * 1000, true))
 		return target_freq;
 
@@ -75,7 +73,7 @@
 	int cpu, domain, tdomain;
 	struct device *tcpu_dev;
 
-	domain = handle->perf_ops->device_domain_id(cpu_dev);
+	domain = perf_ops->device_domain_id(cpu_dev);
 	if (domain < 0)
 		return domain;
 
@@ -87,7 +85,7 @@
 		if (!tcpu_dev)
 			continue;
 
-		tdomain = handle->perf_ops->device_domain_id(tcpu_dev);
+		tdomain = perf_ops->device_domain_id(tcpu_dev);
 		if (tdomain == domain)
 			cpumask_set_cpu(cpu, cpumask);
 	}
@@ -102,13 +100,13 @@
 	unsigned long Hz;
 	int ret, domain;
 
-	domain = handle->perf_ops->device_domain_id(cpu_dev);
+	domain = perf_ops->device_domain_id(cpu_dev);
 	if (domain < 0)
 		return domain;
 
 	/* Get the power cost of the performance domain. */
 	Hz = *KHz * 1000;
-	ret = handle->perf_ops->est_power_get(handle, domain, &Hz, power);
+	ret = perf_ops->est_power_get(ph, domain, &Hz, power);
 	if (ret)
 		return ret;
 
@@ -126,6 +124,7 @@
 	struct scmi_data *priv;
 	struct cpufreq_frequency_table *freq_table;
 	struct em_data_callback em_cb = EM_DATA_CB(scmi_get_cpu_power);
+	bool power_scale_mw;
 
 	cpu_dev = get_cpu_device(policy->cpu);
 	if (!cpu_dev) {
@@ -133,7 +132,7 @@
 		return -ENODEV;
 	}
 
-	ret = handle->perf_ops->device_opps_add(handle, cpu_dev);
+	ret = perf_ops->device_opps_add(ph, cpu_dev);
 	if (ret) {
 		dev_warn(cpu_dev, "failed to add opps to the device\n");
 		return ret;
@@ -172,7 +171,7 @@
 	}
 
 	priv->cpu_dev = cpu_dev;
-	priv->domain_id = handle->perf_ops->device_domain_id(cpu_dev);
+	priv->domain_id = perf_ops->device_domain_id(cpu_dev);
 
 	policy->driver_data = priv;
 	policy->freq_table = freq_table;
@@ -180,16 +179,18 @@
 	/* SCMI allows DVFS request for any domain from any CPU */
 	policy->dvfs_possible_from_any_cpu = true;
 
-	latency = handle->perf_ops->transition_latency_get(handle, cpu_dev);
+	latency = perf_ops->transition_latency_get(ph, cpu_dev);
 	if (!latency)
 		latency = CPUFREQ_ETERNAL;
 
 	policy->cpuinfo.transition_latency = latency;
 
 	policy->fast_switch_possible =
-		handle->perf_ops->fast_switch_possible(handle, cpu_dev);
+		perf_ops->fast_switch_possible(ph, cpu_dev);
 
-	em_dev_register_perf_domain(cpu_dev, nr_opp, &em_cb, policy->cpus);
+	power_scale_mw = perf_ops->power_scale_mw_get(ph);
+	em_dev_register_perf_domain(cpu_dev, nr_opp, &em_cb, policy->cpus,
+				    power_scale_mw);
 
 	return 0;
 
@@ -230,12 +231,17 @@
 {
 	int ret;
 	struct device *dev = &sdev->dev;
+	const struct scmi_handle *handle;
 
 	handle = sdev->handle;
 
-	if (!handle || !handle->perf_ops)
+	if (!handle)
 		return -ENODEV;
 
+	perf_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_PERF, &ph);
+	if (IS_ERR(perf_ops))
+		return PTR_ERR(perf_ops);
+
 #ifdef CONFIG_COMMON_CLK
 	/* dummy clock provider as needed by OPP if clocks property is used */
 	if (of_property_present(dev->of_node, "#clock-cells")) {
diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c
index 5098639..ce5c415 100644
--- a/drivers/cpuidle/cpuidle-psci-domain.c
+++ b/drivers/cpuidle/cpuidle-psci-domain.c
@@ -328,6 +328,8 @@
 	if (cpu_online(cpu))
 		pm_runtime_get_sync(dev);
 
+	dev_pm_syscore_device(dev, true);
+
 	return dev;
 }
 
diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c
index d928b37..95ec4a6 100644
--- a/drivers/cpuidle/cpuidle-psci.c
+++ b/drivers/cpuidle/cpuidle-psci.c
@@ -19,11 +19,13 @@
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/psci.h>
+#include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 
 #include <asm/cpuidle.h>
+#include <trace/hooks/cpuidle_psci.h>
 
 #include "cpuidle-psci.h"
 #include "dt_idle_states.h"
@@ -52,8 +54,9 @@
 	return CPU_PM_CPU_IDLE_ENTER_PARAM(psci_cpu_suspend_enter, idx, state);
 }
 
-static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
-					struct cpuidle_driver *drv, int idx)
+static int __psci_enter_domain_idle_state(struct cpuidle_device *dev,
+					  struct cpuidle_driver *drv, int idx,
+					  bool s2idle)
 {
 	struct psci_cpuidle_data *data = this_cpu_ptr(&psci_cpuidle_data);
 	u32 *states = data->psci_states;
@@ -65,8 +68,17 @@
 	if (ret)
 		return -1;
 
+
 	/* Do runtime PM to manage a hierarchical CPU toplogy. */
-	RCU_NONIDLE(pm_runtime_put_sync_suspend(pd_dev));
+	rcu_irq_enter_irqson();
+
+	trace_android_vh_cpuidle_psci_enter(dev, s2idle);
+
+	if (s2idle)
+		dev_pm_genpd_suspend(pd_dev);
+	else
+		pm_runtime_put_sync_suspend(pd_dev);
+	rcu_irq_exit_irqson();
 
 	state = psci_get_domain_state();
 	if (!state)
@@ -74,7 +86,15 @@
 
 	ret = psci_cpu_suspend_enter(state) ? -1 : idx;
 
-	RCU_NONIDLE(pm_runtime_get_sync(pd_dev));
+	rcu_irq_enter_irqson();
+	if (s2idle)
+		dev_pm_genpd_resume(pd_dev);
+	else
+		pm_runtime_get_sync(pd_dev);
+
+	trace_android_vh_cpuidle_psci_exit(dev, s2idle);
+
+	rcu_irq_exit_irqson();
 
 	cpu_pm_exit();
 
@@ -83,6 +103,19 @@
 	return ret;
 }
 
+static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
+					struct cpuidle_driver *drv, int idx)
+{
+	return __psci_enter_domain_idle_state(dev, drv, idx, false);
+}
+
+static int psci_enter_s2idle_domain_idle_state(struct cpuidle_device *dev,
+					       struct cpuidle_driver *drv,
+					       int idx)
+{
+	return __psci_enter_domain_idle_state(dev, drv, idx, true);
+}
+
 static int psci_idle_cpuhp_up(unsigned int cpu)
 {
 	struct device *pd_dev = __this_cpu_read(psci_cpuidle_data.dev);
@@ -170,6 +203,7 @@
 	 * deeper states.
 	 */
 	drv->states[state_count - 1].enter = psci_enter_domain_idle_state;
+	drv->states[state_count - 1].enter_s2idle = psci_enter_s2idle_domain_idle_state;
 	psci_cpuidle_use_cpuhp = true;
 
 	return 0;
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 83af15f..472a439 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -8,6 +8,7 @@
  * This code is licenced under the GPL.
  */
 
+#include "linux/percpu-defs.h"
 #include <linux/clockchips.h>
 #include <linux/kernel.h>
 #include <linux/mutex.h>
@@ -24,6 +25,7 @@
 #include <linux/tick.h>
 #include <linux/mmu_context.h>
 #include <trace/events/power.h>
+#include <trace/hooks/cpuidle.h>
 
 #include "cpuidle.h"
 
@@ -202,11 +204,22 @@
 {
 	int entered_state;
 
-	struct cpuidle_state *target_state = &drv->states[index];
-	bool broadcast = !!(target_state->flags & CPUIDLE_FLAG_TIMER_STOP);
+	struct cpuidle_state *target_state;
+	bool broadcast;
 	ktime_t time_start, time_end;
 
 	/*
+	 * The vendor hook may modify index, which means target_state and
+	 * broadcast must be assigned after the vendor hook.
+	 */
+	trace_android_vh_cpu_idle_enter(&index, dev);
+	if (index < 0)
+		return index;
+
+	target_state = &drv->states[index];
+	broadcast = !!(target_state->flags & CPUIDLE_FLAG_TIMER_STOP);
+
+	/*
 	 * Tell the time framework to switch to a broadcast timer because our
 	 * local timer will be shut down.  If a local timer is used from another
 	 * CPU as a broadcast timer, this call may fail if it is not available.
@@ -242,6 +255,7 @@
 	sched_clock_idle_wakeup_event();
 	time_end = ns_to_ktime(local_clock());
 	trace_cpu_idle(PWR_EVENT_EXIT, dev->cpu);
+	trace_android_vh_cpu_idle_exit(entered_state, dev);
 
 	/* The cpu is no longer idle or about to enter idle. */
 	sched_idle_set_state(NULL);
@@ -278,6 +292,7 @@
 
 				/* Shallower states are enabled, so update. */
 				dev->states_usage[entered_state].above++;
+				trace_cpu_idle_miss(dev->cpu, entered_state, false);
 				break;
 			}
 		} else if (diff > delay) {
@@ -289,8 +304,10 @@
 				 * Update if a deeper state would have been a
 				 * better match for the observed idle duration.
 				 */
-				if (diff - delay >= drv->states[i].target_residency_ns)
+				if (diff - delay >= drv->states[i].target_residency_ns) {
 					dev->states_usage[entered_state].below++;
+					trace_cpu_idle_miss(dev->cpu, entered_state, true);
+				}
 
 				break;
 			}
@@ -418,7 +435,7 @@
 {
 	if (enabled_devices) {
 		initialized = 0;
-		wake_up_all_idle_cpus();
+		wake_up_all_online_idle_cpus();
 	}
 
 	/*
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 4070e57..557f59a 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -381,3 +381,4 @@
 
 	mutex_unlock(&cpuidle_lock);
 }
+EXPORT_SYMBOL_GPL(cpuidle_driver_state_disabled);
diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
index 29acaf4..0e51ed2 100644
--- a/drivers/cpuidle/governor.c
+++ b/drivers/cpuidle/governor.c
@@ -102,6 +102,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(cpuidle_register_governor);
 
 /**
  * cpuidle_governor_latency_req - Compute a latency constraint for CPU
@@ -118,3 +119,4 @@
 
 	return (s64)device_req * NSEC_PER_USEC;
 }
+EXPORT_SYMBOL_GPL(cpuidle_governor_latency_req);
diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/teo.c
index 6deaaf5..9cc3081 100644
--- a/drivers/cpuidle/governors/teo.c
+++ b/drivers/cpuidle/governors/teo.c
@@ -2,56 +2,158 @@
 /*
  * Timer events oriented CPU idle governor
  *
- * Copyright (C) 2018 Intel Corporation
+ * TEO governor:
+ * Copyright (C) 2018 - 2021 Intel Corporation
  * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
  *
+ * Util-awareness mechanism:
+ * Copyright (C) 2022 Arm Ltd.
+ * Author: Kajetan Puchalski <kajetan.puchalski@arm.com>
+ */
+
+/**
+ * DOC: teo-description
+ *
  * The idea of this governor is based on the observation that on many systems
  * timer events are two or more orders of magnitude more frequent than any
- * other interrupts, so they are likely to be the most significant source of CPU
+ * other interrupts, so they are likely to be the most significant cause of CPU
  * wakeups from idle states.  Moreover, information about what happened in the
  * (relatively recent) past can be used to estimate whether or not the deepest
- * idle state with target residency within the time to the closest timer is
- * likely to be suitable for the upcoming idle time of the CPU and, if not, then
- * which of the shallower idle states to choose.
+ * idle state with target residency within the (known) time till the closest
+ * timer event, referred to as the sleep length, is likely to be suitable for
+ * the upcoming CPU idle period and, if not, then which of the shallower idle
+ * states to choose instead of it.
  *
- * Of course, non-timer wakeup sources are more important in some use cases and
- * they can be covered by taking a few most recent idle time intervals of the
- * CPU into account.  However, even in that case it is not necessary to consider
- * idle duration values greater than the time till the closest timer, as the
- * patterns that they may belong to produce average values close enough to
- * the time till the closest timer (sleep length) anyway.
+ * Of course, non-timer wakeup sources are more important in some use cases
+ * which can be covered by taking a few most recent idle time intervals of the
+ * CPU into account.  However, even in that context it is not necessary to
+ * consider idle duration values greater than the sleep length, because the
+ * closest timer will ultimately wake up the CPU anyway unless it is woken up
+ * earlier.
  *
- * Thus this governor estimates whether or not the upcoming idle time of the CPU
- * is likely to be significantly shorter than the sleep length and selects an
- * idle state for it in accordance with that, as follows:
+ * Thus this governor estimates whether or not the prospective idle duration of
+ * a CPU is likely to be significantly shorter than the sleep length and selects
+ * an idle state for it accordingly.
  *
- * - Find an idle state on the basis of the sleep length and state statistics
- *   collected over time:
+ * The computations carried out by this governor are based on using bins whose
+ * boundaries are aligned with the target residency parameter values of the CPU
+ * idle states provided by the %CPUIdle driver in the ascending order.  That is,
+ * the first bin spans from 0 up to, but not including, the target residency of
+ * the second idle state (idle state 1), the second bin spans from the target
+ * residency of idle state 1 up to, but not including, the target residency of
+ * idle state 2, the third bin spans from the target residency of idle state 2
+ * up to, but not including, the target residency of idle state 3 and so on.
+ * The last bin spans from the target residency of the deepest idle state
+ * supplied by the driver to infinity.
  *
- *   o Find the deepest idle state whose target residency is less than or equal
- *     to the sleep length.
+ * Two metrics called "hits" and "intercepts" are associated with each bin.
+ * They are updated every time before selecting an idle state for the given CPU
+ * in accordance with what happened last time.
  *
- *   o Select it if it matched both the sleep length and the observed idle
- *     duration in the past more often than it matched the sleep length alone
- *     (i.e. the observed idle duration was significantly shorter than the sleep
- *     length matched by it).
+ * The "hits" metric reflects the relative frequency of situations in which the
+ * sleep length and the idle duration measured after CPU wakeup fall into the
+ * same bin (that is, the CPU appears to wake up "on time" relative to the sleep
+ * length).  In turn, the "intercepts" metric reflects the relative frequency of
+ * situations in which the measured idle duration is so much shorter than the
+ * sleep length that the bin it falls into corresponds to an idle state
+ * shallower than the one whose bin is fallen into by the sleep length (these
+ * situations are referred to as "intercepts" below).
  *
- *   o Otherwise, select the shallower state with the greatest matched "early"
- *     wakeups metric.
+ * In addition to the metrics described above, the governor counts recent
+ * intercepts (that is, intercepts that have occurred during the last
+ * %NR_RECENT invocations of it for the given CPU) for each bin.
  *
- * - If the majority of the most recent idle duration values are below the
- *   target residency of the idle state selected so far, use those values to
- *   compute the new expected idle duration and find an idle state matching it
- *   (which has to be shallower than the one selected so far).
+ * In order to select an idle state for a CPU, the governor takes the following
+ * steps (modulo the possible latency constraint that must be taken into account
+ * too):
+ *
+ * 1. Find the deepest CPU idle state whose target residency does not exceed
+ *    the current sleep length (the candidate idle state) and compute 3 sums as
+ *    follows:
+ *
+ *    - The sum of the "hits" and "intercepts" metrics for the candidate state
+ *      and all of the deeper idle states (it represents the cases in which the
+ *      CPU was idle long enough to avoid being intercepted if the sleep length
+ *      had been equal to the current one).
+ *
+ *    - The sum of the "intercepts" metrics for all of the idle states shallower
+ *      than the candidate one (it represents the cases in which the CPU was not
+ *      idle long enough to avoid being intercepted if the sleep length had been
+ *      equal to the current one).
+ *
+ *    - The sum of the numbers of recent intercepts for all of the idle states
+ *      shallower than the candidate one.
+ *
+ * 2. If the second sum is greater than the first one or the third sum is
+ *    greater than %NR_RECENT / 2, the CPU is likely to wake up early, so look
+ *    for an alternative idle state to select.
+ *
+ *    - Traverse the idle states shallower than the candidate one in the
+ *      descending order.
+ *
+ *    - For each of them compute the sum of the "intercepts" metrics and the sum
+ *      of the numbers of recent intercepts over all of the idle states between
+ *      it and the candidate one (including the former and excluding the
+ *      latter).
+ *
+ *    - If each of these sums that needs to be taken into account (because the
+ *      check related to it has indicated that the CPU is likely to wake up
+ *      early) is greater than a half of the corresponding sum computed in step
+ *      1 (which means that the target residency of the state in question had
+ *      not exceeded the idle duration in over a half of the relevant cases),
+ *      select the given idle state instead of the candidate one.
+ *
+ * 3. By default, select the candidate state.
+ *
+ * Util-awareness mechanism:
+ *
+ * The idea behind the util-awareness extension is that there are two distinct
+ * scenarios for the CPU which should result in two different approaches to idle
+ * state selection - utilized and not utilized.
+ *
+ * In this case, 'utilized' means that the average runqueue util of the CPU is
+ * above a certain threshold.
+ *
+ * When the CPU is utilized while going into idle, more likely than not it will
+ * be woken up to do more work soon and so a shallower idle state should be
+ * selected to minimise latency and maximise performance. When the CPU is not
+ * being utilized, the usual metrics-based approach to selecting the deepest
+ * available idle state should be preferred to take advantage of the power
+ * saving.
+ *
+ * In order to achieve this, the governor uses a utilization threshold.
+ * The threshold is computed per-CPU as a percentage of the CPU's capacity
+ * by bit shifting the capacity value. Based on testing, the shift of 6 (~1.56%)
+ * seems to be getting the best results.
+ *
+ * Before selecting the next idle state, the governor compares the current CPU
+ * util to the precomputed util threshold. If it's below, it defaults to the
+ * TEO metrics mechanism. If it's above, the closest shallower idle state will
+ * be selected instead, as long as is not a polling state.
  */
 
 #include <linux/cpuidle.h>
 #include <linux/jiffies.h>
 #include <linux/kernel.h>
+#include <linux/sched.h>
 #include <linux/sched/clock.h>
+#include <linux/sched/topology.h>
 #include <linux/tick.h>
 
 /*
+ * The number of bits to shift the CPU's capacity by in order to determine
+ * the utilized threshold.
+ *
+ * 6 was chosen based on testing as the number that achieved the best balance
+ * of power and performance on average.
+ *
+ * The resulting threshold is high enough to not be triggered by background
+ * noise and low enough to react quickly when activity starts to ramp up.
+ */
+#define UTIL_THRESHOLD_SHIFT 6
+
+
+/*
  * The PULSE value is added to metrics when they grow and the DECAY_SHIFT value
  * is used for decreasing metrics on a regular basis.
  */
@@ -60,64 +162,85 @@
 
 /*
  * Number of the most recent idle duration values to take into consideration for
- * the detection of wakeup patterns.
+ * the detection of recent early wakeup patterns.
  */
-#define INTERVALS	8
+#define NR_RECENT	9
 
 /**
- * struct teo_idle_state - Idle state data used by the TEO cpuidle governor.
- * @early_hits: "Early" CPU wakeups "matching" this state.
- * @hits: "On time" CPU wakeups "matching" this state.
- * @misses: CPU wakeups "missing" this state.
- *
- * A CPU wakeup is "matched" by a given idle state if the idle duration measured
- * after the wakeup is between the target residency of that state and the target
- * residency of the next one (or if this is the deepest available idle state, it
- * "matches" a CPU wakeup when the measured idle duration is at least equal to
- * its target residency).
- *
- * Also, from the TEO governor perspective, a CPU wakeup from idle is "early" if
- * it occurs significantly earlier than the closest expected timer event (that
- * is, early enough to match an idle state shallower than the one matching the
- * time till the closest timer event).  Otherwise, the wakeup is "on time", or
- * it is a "hit".
- *
- * A "miss" occurs when the given state doesn't match the wakeup, but it matches
- * the time till the closest timer event used for idle state selection.
+ * struct teo_bin - Metrics used by the TEO cpuidle governor.
+ * @intercepts: The "intercepts" metric.
+ * @hits: The "hits" metric.
+ * @recent: The number of recent "intercepts".
  */
-struct teo_idle_state {
-	unsigned int early_hits;
+struct teo_bin {
+	unsigned int intercepts;
 	unsigned int hits;
-	unsigned int misses;
+	unsigned int recent;
 };
 
 /**
  * struct teo_cpu - CPU data used by the TEO cpuidle governor.
  * @time_span_ns: Time between idle state selection and post-wakeup update.
  * @sleep_length_ns: Time till the closest timer event (at the selection time).
- * @states: Idle states data corresponding to this CPU.
- * @interval_idx: Index of the most recent saved idle interval.
- * @intervals: Saved idle duration values.
+ * @state_bins: Idle state data bins for this CPU.
+ * @total: Grand total of the "intercepts" and "hits" metrics for all bins.
+ * @next_recent_idx: Index of the next @recent_idx entry to update.
+ * @recent_idx: Indices of bins corresponding to recent "intercepts".
+ * @util_threshold: Threshold above which the CPU is considered utilized
+ * @utilized: Whether the last sleep on the CPU happened while utilized
  */
 struct teo_cpu {
-	u64 time_span_ns;
-	u64 sleep_length_ns;
-	struct teo_idle_state states[CPUIDLE_STATE_MAX];
-	int interval_idx;
-	u64 intervals[INTERVALS];
+	s64 time_span_ns;
+	s64 sleep_length_ns;
+	struct teo_bin state_bins[CPUIDLE_STATE_MAX];
+	unsigned int total;
+	int next_recent_idx;
+	int recent_idx[NR_RECENT];
+	unsigned long util_threshold;
+	bool utilized;
 };
 
 static DEFINE_PER_CPU(struct teo_cpu, teo_cpus);
 
+unsigned long teo_cpu_get_util_threshold(int cpu)
+{
+	struct teo_cpu *cpu_data = per_cpu_ptr(&teo_cpus, cpu);
+	return cpu_data->util_threshold;
+}
+EXPORT_SYMBOL_GPL(teo_cpu_get_util_threshold);
+void teo_cpu_set_util_threshold(int cpu, unsigned long util)
+{
+	struct teo_cpu *cpu_data = per_cpu_ptr(&teo_cpus, cpu);
+	cpu_data->util_threshold = util;
+}
+EXPORT_SYMBOL_GPL(teo_cpu_set_util_threshold);
+
 /**
- * teo_update - Update CPU data after wakeup.
+ * teo_cpu_is_utilized - Check if the CPU's util is above the threshold
+ * @cpu: Target CPU
+ * @cpu_data: Governor CPU data for the target CPU
+ */
+#if defined(CONFIG_SMP) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
+static bool teo_cpu_is_utilized(int cpu, struct teo_cpu *cpu_data)
+{
+	return sched_cpu_util(cpu, arch_scale_cpu_capacity(cpu)) > cpu_data->util_threshold;
+}
+#else
+static bool teo_cpu_is_utilized(int cpu, struct teo_cpu *cpu_data)
+{
+	return false;
+}
+#endif
+
+/**
+ * teo_update - Update CPU metrics after wakeup.
  * @drv: cpuidle driver containing state data.
  * @dev: Target CPU.
  */
 static void teo_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)
 {
 	struct teo_cpu *cpu_data = per_cpu_ptr(&teo_cpus, dev->cpu);
-	int i, idx_hit = -1, idx_timer = -1;
+	int i, idx_timer = 0, idx_duration = 0;
 	u64 measured_ns;
 
 	if (cpu_data->time_span_ns >= cpu_data->sleep_length_ns) {
@@ -150,56 +273,52 @@
 			measured_ns /= 2;
 	}
 
+	cpu_data->total = 0;
+
 	/*
-	 * Decay the "early hits" metric for all of the states and find the
-	 * states matching the sleep length and the measured idle duration.
+	 * Decay the "hits" and "intercepts" metrics for all of the bins and
+	 * find the bins that the sleep length and the measured idle duration
+	 * fall into.
 	 */
 	for (i = 0; i < drv->state_count; i++) {
-		unsigned int early_hits = cpu_data->states[i].early_hits;
+		s64 target_residency_ns = drv->states[i].target_residency_ns;
+		struct teo_bin *bin = &cpu_data->state_bins[i];
 
-		cpu_data->states[i].early_hits -= early_hits >> DECAY_SHIFT;
+		bin->hits -= bin->hits >> DECAY_SHIFT;
+		bin->intercepts -= bin->intercepts >> DECAY_SHIFT;
 
-		if (drv->states[i].target_residency_ns <= cpu_data->sleep_length_ns) {
+		cpu_data->total += bin->hits + bin->intercepts;
+
+		if (target_residency_ns <= cpu_data->sleep_length_ns) {
 			idx_timer = i;
-			if (drv->states[i].target_residency_ns <= measured_ns)
-				idx_hit = i;
+			if (target_residency_ns <= measured_ns)
+				idx_duration = i;
 		}
 	}
 
+	i = cpu_data->next_recent_idx++;
+	if (cpu_data->next_recent_idx >= NR_RECENT)
+		cpu_data->next_recent_idx = 0;
+
+	if (cpu_data->recent_idx[i] >= 0)
+		cpu_data->state_bins[cpu_data->recent_idx[i]].recent--;
+
 	/*
-	 * Update the "hits" and "misses" data for the state matching the sleep
-	 * length.  If it matches the measured idle duration too, this is a hit,
-	 * so increase the "hits" metric for it then.  Otherwise, this is a
-	 * miss, so increase the "misses" metric for it.  In the latter case
-	 * also increase the "early hits" metric for the state that actually
-	 * matches the measured idle duration.
+	 * If the measured idle duration falls into the same bin as the sleep
+	 * length, this is a "hit", so update the "hits" metric for that bin.
+	 * Otherwise, update the "intercepts" metric for the bin fallen into by
+	 * the measured idle duration.
 	 */
-	if (idx_timer >= 0) {
-		unsigned int hits = cpu_data->states[idx_timer].hits;
-		unsigned int misses = cpu_data->states[idx_timer].misses;
-
-		hits -= hits >> DECAY_SHIFT;
-		misses -= misses >> DECAY_SHIFT;
-
-		if (idx_timer > idx_hit) {
-			misses += PULSE;
-			if (idx_hit >= 0)
-				cpu_data->states[idx_hit].early_hits += PULSE;
-		} else {
-			hits += PULSE;
-		}
-
-		cpu_data->states[idx_timer].misses = misses;
-		cpu_data->states[idx_timer].hits = hits;
+	if (idx_timer == idx_duration) {
+		cpu_data->state_bins[idx_timer].hits += PULSE;
+		cpu_data->recent_idx[i] = -1;
+	} else {
+		cpu_data->state_bins[idx_duration].intercepts += PULSE;
+		cpu_data->state_bins[idx_duration].recent++;
+		cpu_data->recent_idx[i] = idx_duration;
 	}
 
-	/*
-	 * Save idle duration values corresponding to non-timer wakeups for
-	 * pattern detection.
-	 */
-	cpu_data->intervals[cpu_data->interval_idx++] = measured_ns;
-	if (cpu_data->interval_idx >= INTERVALS)
-		cpu_data->interval_idx = 0;
+	cpu_data->total += PULSE;
 }
 
 static bool teo_time_ok(u64 interval_ns)
@@ -207,21 +326,29 @@
 	return !tick_nohz_tick_stopped() || interval_ns >= TICK_NSEC;
 }
 
+static s64 teo_middle_of_bin(int idx, struct cpuidle_driver *drv)
+{
+	return (drv->states[idx].target_residency_ns +
+		drv->states[idx+1].target_residency_ns) / 2;
+}
+
 /**
  * teo_find_shallower_state - Find shallower idle state matching given duration.
  * @drv: cpuidle driver containing state data.
  * @dev: Target CPU.
  * @state_idx: Index of the capping idle state.
  * @duration_ns: Idle duration value to match.
+ * @no_poll: Don't consider polling states.
  */
 static int teo_find_shallower_state(struct cpuidle_driver *drv,
 				    struct cpuidle_device *dev, int state_idx,
-				    u64 duration_ns)
+				    s64 duration_ns, bool no_poll)
 {
 	int i;
 
 	for (i = state_idx - 1; i >= 0; i--) {
-		if (dev->states_usage[i].disable)
+		if (dev->states_usage[i].disable ||
+				(no_poll && drv->states[i].flags & CPUIDLE_FLAG_POLLING))
 			continue;
 
 		state_idx = i;
@@ -242,10 +369,18 @@
 {
 	struct teo_cpu *cpu_data = per_cpu_ptr(&teo_cpus, dev->cpu);
 	s64 latency_req = cpuidle_governor_latency_req(dev->cpu);
-	u64 duration_ns;
-	unsigned int hits, misses, early_hits;
-	int max_early_idx, prev_max_early_idx, constraint_idx, idx, i;
+	unsigned int idx_intercept_sum = 0;
+	unsigned int intercept_sum = 0;
+	unsigned int idx_recent_sum = 0;
+	unsigned int recent_sum = 0;
+	unsigned int idx_hit_sum = 0;
+	unsigned int hit_sum = 0;
+	int constraint_idx = 0;
+	int idx0 = 0, idx = -1;
+	bool alt_intercepts, alt_recent;
 	ktime_t delta_tick;
+	s64 duration_ns;
+	int i;
 
 	if (dev->last_state_idx >= 0) {
 		teo_update(drv, dev);
@@ -257,164 +392,173 @@
 	duration_ns = tick_nohz_get_sleep_length(&delta_tick);
 	cpu_data->sleep_length_ns = duration_ns;
 
-	hits = 0;
-	misses = 0;
-	early_hits = 0;
-	max_early_idx = -1;
-	prev_max_early_idx = -1;
-	constraint_idx = drv->state_count;
-	idx = -1;
+	/* Check if there is any choice in the first place. */
+	if (drv->state_count < 2) {
+		idx = 0;
+		goto end;
+	}
+	if (!dev->states_usage[0].disable) {
+		idx = 0;
+		if (drv->states[1].target_residency_ns > duration_ns)
+			goto end;
+	}
 
-	for (i = 0; i < drv->state_count; i++) {
+	cpu_data->utilized = teo_cpu_is_utilized(dev->cpu, cpu_data);
+	/*
+	 * If the CPU is being utilized over the threshold and there are only 2
+	 * states to choose from, the metrics need not be considered, so choose
+	 * the shallowest non-polling state and exit.
+	 */
+	if (drv->state_count < 3 && cpu_data->utilized) {
+		for (i = 0; i < drv->state_count; ++i) {
+			if (!dev->states_usage[i].disable &&
+			    !(drv->states[i].flags & CPUIDLE_FLAG_POLLING)) {
+				idx = i;
+				goto end;
+			}
+		}
+	}
+
+	/*
+	 * Find the deepest idle state whose target residency does not exceed
+	 * the current sleep length and the deepest idle state not deeper than
+	 * the former whose exit latency does not exceed the current latency
+	 * constraint.  Compute the sums of metrics for early wakeup pattern
+	 * detection.
+	 */
+	for (i = 1; i < drv->state_count; i++) {
+		struct teo_bin *prev_bin = &cpu_data->state_bins[i-1];
 		struct cpuidle_state *s = &drv->states[i];
 
-		if (dev->states_usage[i].disable) {
-			/*
-			 * Ignore disabled states with target residencies beyond
-			 * the anticipated idle duration.
-			 */
-			if (s->target_residency_ns > duration_ns)
-				continue;
+		/*
+		 * Update the sums of idle state mertics for all of the states
+		 * shallower than the current one.
+		 */
+		intercept_sum += prev_bin->intercepts;
+		hit_sum += prev_bin->hits;
+		recent_sum += prev_bin->recent;
 
-			/*
-			 * This state is disabled, so the range of idle duration
-			 * values corresponding to it is covered by the current
-			 * candidate state, but still the "hits" and "misses"
-			 * metrics of the disabled state need to be used to
-			 * decide whether or not the state covering the range in
-			 * question is good enough.
-			 */
-			hits = cpu_data->states[i].hits;
-			misses = cpu_data->states[i].misses;
-
-			if (early_hits >= cpu_data->states[i].early_hits ||
-			    idx < 0)
-				continue;
-
-			/*
-			 * If the current candidate state has been the one with
-			 * the maximum "early hits" metric so far, the "early
-			 * hits" metric of the disabled state replaces the
-			 * current "early hits" count to avoid selecting a
-			 * deeper state with lower "early hits" metric.
-			 */
-			if (max_early_idx == idx) {
-				early_hits = cpu_data->states[i].early_hits;
-				continue;
-			}
-
-			/*
-			 * The current candidate state is closer to the disabled
-			 * one than the current maximum "early hits" state, so
-			 * replace the latter with it, but in case the maximum
-			 * "early hits" state index has not been set so far,
-			 * check if the current candidate state is not too
-			 * shallow for that role.
-			 */
-			if (teo_time_ok(drv->states[idx].target_residency_ns)) {
-				prev_max_early_idx = max_early_idx;
-				early_hits = cpu_data->states[i].early_hits;
-				max_early_idx = idx;
-			}
-
+		if (dev->states_usage[i].disable)
 			continue;
-		}
 
 		if (idx < 0) {
 			idx = i; /* first enabled state */
-			hits = cpu_data->states[i].hits;
-			misses = cpu_data->states[i].misses;
+			idx0 = i;
 		}
 
 		if (s->target_residency_ns > duration_ns)
 			break;
 
-		if (s->exit_latency_ns > latency_req && constraint_idx > i)
+		idx = i;
+
+		if (s->exit_latency_ns <= latency_req)
 			constraint_idx = i;
 
-		idx = i;
-		hits = cpu_data->states[i].hits;
-		misses = cpu_data->states[i].misses;
-
-		if (early_hits < cpu_data->states[i].early_hits &&
-		    teo_time_ok(drv->states[i].target_residency_ns)) {
-			prev_max_early_idx = max_early_idx;
-			early_hits = cpu_data->states[i].early_hits;
-			max_early_idx = i;
-		}
+		idx_intercept_sum = intercept_sum;
+		idx_hit_sum = hit_sum;
+		idx_recent_sum = recent_sum;
 	}
 
-	/*
-	 * If the "hits" metric of the idle state matching the sleep length is
-	 * greater than its "misses" metric, that is the one to use.  Otherwise,
-	 * it is more likely that one of the shallower states will match the
-	 * idle duration observed after wakeup, so take the one with the maximum
-	 * "early hits" metric, but if that cannot be determined, just use the
-	 * state selected so far.
-	 */
-	if (hits <= misses) {
-		/*
-		 * The current candidate state is not suitable, so take the one
-		 * whose "early hits" metric is the maximum for the range of
-		 * shallower states.
-		 */
-		if (idx == max_early_idx)
-			max_early_idx = prev_max_early_idx;
-
-		if (max_early_idx >= 0) {
-			idx = max_early_idx;
-			duration_ns = drv->states[idx].target_residency_ns;
-		}
-	}
-
-	/*
-	 * If there is a latency constraint, it may be necessary to use a
-	 * shallower idle state than the one selected so far.
-	 */
-	if (constraint_idx < idx)
-		idx = constraint_idx;
-
+	/* Avoid unnecessary overhead. */
 	if (idx < 0) {
-		idx = 0; /* No states enabled. Must use 0. */
-	} else if (idx > 0) {
-		unsigned int count = 0;
-		u64 sum = 0;
+		idx = 0; /* No states enabled, must use 0. */
+		goto end;
+	} else if (idx == idx0) {
+		goto end;
+	}
+
+	/*
+	 * If the sum of the intercepts metric for all of the idle states
+	 * shallower than the current candidate one (idx) is greater than the
+	 * sum of the intercepts and hits metrics for the candidate state and
+	 * all of the deeper states, or the sum of the numbers of recent
+	 * intercepts over all of the states shallower than the candidate one
+	 * is greater than a half of the number of recent events taken into
+	 * account, the CPU is likely to wake up early, so find an alternative
+	 * idle state to select.
+	 */
+	alt_intercepts = 2 * idx_intercept_sum > cpu_data->total - idx_hit_sum;
+	alt_recent = idx_recent_sum > NR_RECENT / 2;
+	if (alt_recent || alt_intercepts) {
+		s64 first_suitable_span_ns = duration_ns;
+		int first_suitable_idx = idx;
 
 		/*
-		 * Count and sum the most recent idle duration values less than
-		 * the current expected idle duration value.
+		 * Look for the deepest idle state whose target residency had
+		 * not exceeded the idle duration in over a half of the relevant
+		 * cases (both with respect to intercepts overall and with
+		 * respect to the recent intercepts only) in the past.
+		 *
+		 * Take the possible latency constraint and duration limitation
+		 * present if the tick has been stopped already into account.
 		 */
-		for (i = 0; i < INTERVALS; i++) {
-			u64 val = cpu_data->intervals[i];
+		intercept_sum = 0;
+		recent_sum = 0;
 
-			if (val >= duration_ns)
+		for (i = idx - 1; i >= 0; i--) {
+			struct teo_bin *bin = &cpu_data->state_bins[i];
+			s64 span_ns;
+
+			intercept_sum += bin->intercepts;
+			recent_sum += bin->recent;
+
+			span_ns = teo_middle_of_bin(i, drv);
+
+			if ((!alt_recent || 2 * recent_sum > idx_recent_sum) &&
+			    (!alt_intercepts ||
+			     2 * intercept_sum > idx_intercept_sum)) {
+				if (teo_time_ok(span_ns) &&
+				    !dev->states_usage[i].disable) {
+					idx = i;
+					duration_ns = span_ns;
+				} else {
+					/*
+					 * The current state is too shallow or
+					 * disabled, so take the first enabled
+					 * deeper state with suitable time span.
+					 */
+					idx = first_suitable_idx;
+					duration_ns = first_suitable_span_ns;
+				}
+				break;
+			}
+
+			if (dev->states_usage[i].disable)
 				continue;
 
-			count++;
-			sum += val;
-		}
+			if (!teo_time_ok(span_ns)) {
+				/*
+				 * The current state is too shallow, but if an
+				 * alternative candidate state has been found,
+				 * it may still turn out to be a better choice.
+				 */
+				if (first_suitable_idx != idx)
+					continue;
 
-		/*
-		 * Give up unless the majority of the most recent idle duration
-		 * values are in the interesting range.
-		 */
-		if (count > INTERVALS / 2) {
-			u64 avg_ns = div64_u64(sum, count);
-
-			/*
-			 * Avoid spending too much time in an idle state that
-			 * would be too shallow.
-			 */
-			if (teo_time_ok(avg_ns)) {
-				duration_ns = avg_ns;
-				if (drv->states[idx].target_residency_ns > avg_ns)
-					idx = teo_find_shallower_state(drv, dev,
-								       idx, avg_ns);
+				break;
 			}
+
+			first_suitable_span_ns = span_ns;
+			first_suitable_idx = i;
 		}
 	}
 
 	/*
+	 * If there is a latency constraint, it may be necessary to select an
+	 * idle state shallower than the current candidate one.
+	 */
+	if (idx > constraint_idx)
+		idx = constraint_idx;
+
+	/*
+	 * If the CPU is being utilized over the threshold, choose a shallower
+	 * non-polling state to improve latency
+	 */
+	if (cpu_data->utilized)
+		idx = teo_find_shallower_state(drv, dev, idx, duration_ns, true);
+
+end:
+	/*
 	 * Don't stop the tick if the selected state is a polling one or if the
 	 * expected idle duration is shorter than the tick period length.
 	 */
@@ -428,8 +572,9 @@
 		 * till the closest timer including the tick, try to correct
 		 * that.
 		 */
-		if (idx > 0 && drv->states[idx].target_residency_ns > delta_tick)
-			idx = teo_find_shallower_state(drv, dev, idx, delta_tick);
+		if (idx > idx0 &&
+		    drv->states[idx].target_residency_ns > delta_tick)
+			idx = teo_find_shallower_state(drv, dev, idx, delta_tick, false);
 	}
 
 	return idx;
@@ -468,12 +613,14 @@
 			     struct cpuidle_device *dev)
 {
 	struct teo_cpu *cpu_data = per_cpu_ptr(&teo_cpus, dev->cpu);
+	unsigned long max_capacity = arch_scale_cpu_capacity(dev->cpu);
 	int i;
 
 	memset(cpu_data, 0, sizeof(*cpu_data));
+	cpu_data->util_threshold = max_capacity >> UTIL_THRESHOLD_SHIFT;
 
-	for (i = 0; i < INTERVALS; i++)
-		cpu_data->intervals[i] = U64_MAX;
+	for (i = 0; i < NR_RECENT; i++)
+		cpu_data->recent_idx[i] = -1;
 
 	return 0;
 }
diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index f4f18bf..4ee010f3 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -10,6 +10,7 @@
 #include <linux/spinlock.h>
 #include <crypto/algapi.h>
 #include <crypto/aes.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 
 #include <linux/io.h>
@@ -434,3 +435,4 @@
 MODULE_AUTHOR("Advanced Micro Devices, Inc.");
 MODULE_DESCRIPTION("Geode LX Hardware AES driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 7de9b9d..7795eed 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -2018,3 +2018,4 @@
 MODULE_AUTHOR("Igal Liberman <igall@marvell.com>");
 MODULE_DESCRIPTION("Support for SafeXcel cryptographic engines: EIP97 & EIP197");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 1c9af02..31515c6 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -12,6 +12,7 @@
 #include <crypto/sha3.h>
 #include <crypto/skcipher.h>
 #include <crypto/sm3.h>
+#include <crypto/internal/cipher.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
 #include <linux/dmapool.h>
diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
index eb9b3be..96b437b 100644
--- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c
+++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
@@ -464,3 +464,4 @@
 MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
 MODULE_ALIAS_CRYPTO("intel_qat");
 MODULE_VERSION(ADF_DRV_VERSION);
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index 5b71768..9f69666 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -4,6 +4,7 @@
 #include <linux/slab.h>
 #include <linux/crypto.h>
 #include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/aes.h>
 #include <crypto/sha.h>
diff --git a/drivers/crypto/vmx/aes.c b/drivers/crypto/vmx/aes.c
index 2bc5d4e..d05c02b 100644
--- a/drivers/crypto/vmx/aes.c
+++ b/drivers/crypto/vmx/aes.c
@@ -14,6 +14,7 @@
 #include <asm/simd.h>
 #include <asm/switch_to.h>
 #include <crypto/aes.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/internal/simd.h>
 
 #include "aesp8-ppc.h"
diff --git a/drivers/crypto/vmx/vmx.c b/drivers/crypto/vmx/vmx.c
index 3e0335fb..87a1944 100644
--- a/drivers/crypto/vmx/vmx.c
+++ b/drivers/crypto/vmx/vmx.c
@@ -78,3 +78,4 @@
 		   "support on Power 8");
 MODULE_LICENSE("GPL");
 MODULE_VERSION("1.0.0");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 42c1eed..2073f3f 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -741,7 +741,8 @@
  * @dev:	the device to add devfreq feature.
  * @profile:	device-specific profile to run devfreq.
  * @governor_name:	name of the policy to choose frequency.
- * @data:	devfreq driver pass to governors, governor should not change it.
+ * @data:	private data for the governor. The devfreq framework does not
+ *		touch this value.
  */
 struct devfreq *devfreq_add_device(struct device *dev,
 				   struct devfreq_dev_profile *profile,
@@ -953,7 +954,8 @@
  * @dev:	the device to add devfreq feature.
  * @profile:	device-specific profile to run devfreq.
  * @governor_name:	name of the policy to choose frequency.
- * @data:	 devfreq driver pass to governors, governor should not change it.
+ * @data:	private data for the governor. The devfreq framework does not
+ *		touch this value.
  *
  * This function manages automatically the memory of devfreq device using device
  * resource management and simplify the free operation for memory of devfreq
diff --git a/drivers/devfreq/governor_userspace.c b/drivers/devfreq/governor_userspace.c
index 8a9cf82..0fd6c48 100644
--- a/drivers/devfreq/governor_userspace.c
+++ b/drivers/devfreq/governor_userspace.c
@@ -21,7 +21,7 @@
 
 static int devfreq_userspace_func(struct devfreq *df, unsigned long *freq)
 {
-	struct userspace_data *data = df->governor_data;
+	struct userspace_data *data = df->data;
 
 	if (data->valid)
 		*freq = data->user_frequency;
@@ -40,7 +40,7 @@
 	int err = 0;
 
 	mutex_lock(&devfreq->lock);
-	data = devfreq->governor_data;
+	data = devfreq->data;
 
 	sscanf(buf, "%lu", &wanted);
 	data->user_frequency = wanted;
@@ -60,7 +60,7 @@
 	int err = 0;
 
 	mutex_lock(&devfreq->lock);
-	data = devfreq->governor_data;
+	data = devfreq->data;
 
 	if (data->valid)
 		err = sprintf(buf, "%lu\n", data->user_frequency);
@@ -91,7 +91,7 @@
 		goto out;
 	}
 	data->valid = false;
-	devfreq->governor_data = data;
+	devfreq->data = data;
 
 	err = sysfs_create_group(&devfreq->dev.kobj, &dev_attr_group);
 out:
@@ -107,8 +107,8 @@
 	if (devfreq->dev.kobj.sd)
 		sysfs_remove_group(&devfreq->dev.kobj, &dev_attr_group);
 
-	kfree(devfreq->governor_data);
-	devfreq->governor_data = NULL;
+	kfree(devfreq->data);
+	devfreq->data = NULL;
 }
 
 static int devfreq_userspace_handler(struct devfreq *devfreq,
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index 3ca7de3..3280ca9 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -65,6 +65,17 @@
 	  allows userspace to allocate dma-bufs that can be shared
 	  between drivers.
 
+menuconfig DMABUF_SYSFS_STATS
+	bool "DMA-BUF sysfs statistics"
+	depends on DMA_SHARED_BUFFER
+	help
+	   Choose this option to enable DMA-BUF sysfs statistics
+	   in location /sys/kernel/dmabuf/buffers.
+
+	   /sys/kernel/dmabuf/buffers/<inode_number> will contain
+	   statistics for the DMA-BUF with the unique inode number
+	   <inode_number>.
+
 source "drivers/dma-buf/heaps/Kconfig"
 
 endmenu
diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile
index 995e05f..40d81f23 100644
--- a/drivers/dma-buf/Makefile
+++ b/drivers/dma-buf/Makefile
@@ -6,6 +6,7 @@
 obj-$(CONFIG_SYNC_FILE)		+= sync_file.o
 obj-$(CONFIG_SW_SYNC)		+= sw_sync.o sync_debug.o
 obj-$(CONFIG_UDMABUF)		+= udmabuf.o
+obj-$(CONFIG_DMABUF_SYSFS_STATS) += dma-buf-sysfs-stats.o
 
 dmabuf_selftests-y := \
 	selftest.o \
diff --git a/drivers/dma-buf/dma-buf-sysfs-stats.c b/drivers/dma-buf/dma-buf-sysfs-stats.c
new file mode 100644
index 0000000..3c7bb2b
--- /dev/null
+++ b/drivers/dma-buf/dma-buf-sysfs-stats.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * DMA-BUF sysfs statistics.
+ *
+ * Copyright (C) 2021 Google LLC.
+ */
+
+#include <linux/dma-buf.h>
+#include <linux/dma-resv.h>
+#include <linux/kobject.h>
+#include <linux/printk.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/workqueue.h>
+
+#include "dma-buf-sysfs-stats.h"
+
+#define to_dma_buf_entry_from_kobj(x) container_of(x, struct dma_buf_sysfs_entry, kobj)
+
+struct dma_buf_stats_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct dma_buf *dmabuf,
+			struct dma_buf_stats_attribute *attr, char *buf);
+};
+#define to_dma_buf_stats_attr(x) container_of(x, struct dma_buf_stats_attribute, attr)
+
+static ssize_t dma_buf_stats_attribute_show(struct kobject *kobj,
+					    struct attribute *attr,
+					    char *buf)
+{
+	struct dma_buf_stats_attribute *attribute;
+	struct dma_buf_sysfs_entry *sysfs_entry;
+	struct dma_buf *dmabuf;
+
+	attribute = to_dma_buf_stats_attr(attr);
+	sysfs_entry = to_dma_buf_entry_from_kobj(kobj);
+	dmabuf = sysfs_entry->dmabuf;
+
+	if (!dmabuf || !attribute->show)
+		return -EIO;
+
+	return attribute->show(dmabuf, attribute, buf);
+}
+
+static const struct sysfs_ops dma_buf_stats_sysfs_ops = {
+	.show = dma_buf_stats_attribute_show,
+};
+
+static ssize_t exporter_name_show(struct dma_buf *dmabuf,
+				  struct dma_buf_stats_attribute *attr,
+				  char *buf)
+{
+	return sysfs_emit(buf, "%s\n", dmabuf->exp_name);
+}
+
+static ssize_t size_show(struct dma_buf *dmabuf,
+			 struct dma_buf_stats_attribute *attr,
+			 char *buf)
+{
+	return sysfs_emit(buf, "%zu\n", dmabuf->size);
+}
+
+static struct dma_buf_stats_attribute exporter_name_attribute =
+	__ATTR_RO(exporter_name);
+static struct dma_buf_stats_attribute size_attribute = __ATTR_RO(size);
+
+static struct attribute *dma_buf_stats_default_attrs[] = {
+	&exporter_name_attribute.attr,
+	&size_attribute.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(dma_buf_stats_default);
+
+static void dma_buf_sysfs_release(struct kobject *kobj)
+{
+	struct dma_buf_sysfs_entry *sysfs_entry;
+
+	sysfs_entry = to_dma_buf_entry_from_kobj(kobj);
+	kfree(sysfs_entry);
+}
+
+static struct kobj_type dma_buf_ktype = {
+	.sysfs_ops = &dma_buf_stats_sysfs_ops,
+	.release = dma_buf_sysfs_release,
+	.default_groups = dma_buf_stats_default_groups,
+};
+
+void dma_buf_stats_teardown(struct dma_buf *dmabuf)
+{
+	struct dma_buf_sysfs_entry *sysfs_entry;
+
+	sysfs_entry = dmabuf->sysfs_entry;
+	if (!sysfs_entry)
+		return;
+
+	kobject_del(&sysfs_entry->kobj);
+	kobject_put(&sysfs_entry->kobj);
+}
+
+/*
+ * Statistics files do not need to send uevents.
+ */
+static int dmabuf_sysfs_uevent_filter(struct kset *kset, struct kobject *kobj)
+{
+	return 0;
+}
+
+static const struct kset_uevent_ops dmabuf_sysfs_no_uevent_ops = {
+	.filter = dmabuf_sysfs_uevent_filter,
+};
+
+static struct kset *dma_buf_stats_kset;
+static struct kset *dma_buf_per_buffer_stats_kset;
+int dma_buf_init_sysfs_statistics(void)
+{
+	dma_buf_stats_kset = kset_create_and_add("dmabuf",
+						 &dmabuf_sysfs_no_uevent_ops,
+						 kernel_kobj);
+	if (!dma_buf_stats_kset)
+		return -ENOMEM;
+
+	dma_buf_per_buffer_stats_kset = kset_create_and_add("buffers",
+							    &dmabuf_sysfs_no_uevent_ops,
+							    &dma_buf_stats_kset->kobj);
+	if (!dma_buf_per_buffer_stats_kset) {
+		kset_unregister(dma_buf_stats_kset);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+void dma_buf_uninit_sysfs_statistics(void)
+{
+	kset_unregister(dma_buf_per_buffer_stats_kset);
+	kset_unregister(dma_buf_stats_kset);
+}
+
+static void sysfs_add_workfn(struct work_struct *work)
+{
+	/* The ABI would have to change for this to be false, but let's be paranoid. */
+	_Static_assert(sizeof(struct kobject) >= sizeof(struct work_struct),
+		"kobject is smaller than work_struct");
+
+	struct dma_buf_sysfs_entry *sysfs_entry =
+		container_of((struct kobject *)work, struct dma_buf_sysfs_entry, kobj);
+	struct dma_buf *dmabuf = sysfs_entry->dmabuf;
+
+	/*
+	 * A dmabuf is ref-counted via its file member. If this handler holds the only
+	 * reference to the dmabuf, there is no need for sysfs kobject creation. This is an
+	 * optimization and a race; when the reference count drops to 1 immediately after
+	 * this check it is not harmful as the sysfs entry will still get cleaned up in
+	 * dma_buf_stats_teardown, which won't get called until the final dmabuf reference
+	 * is released, and that can't happen until the end of this function.
+	 */
+	if (file_count(dmabuf->file) > 1) {
+		/*
+		 * kobject_init_and_add expects kobject to be zero-filled, but we have populated it
+		 * to trigger this work function.
+		 */
+		memset(&dmabuf->sysfs_entry->kobj, 0, sizeof(dmabuf->sysfs_entry->kobj));
+		dmabuf->sysfs_entry->kobj.kset = dma_buf_per_buffer_stats_kset;
+		if (kobject_init_and_add(&dmabuf->sysfs_entry->kobj, &dma_buf_ktype, NULL,
+						"%lu", file_inode(dmabuf->file)->i_ino)) {
+			kobject_put(&dmabuf->sysfs_entry->kobj);
+			dmabuf->sysfs_entry = NULL;
+		}
+	} else {
+		/*
+		 * Free the sysfs_entry and reset the pointer so dma_buf_stats_teardown doesn't
+		 * attempt to operate on it.
+		 */
+		kfree(dmabuf->sysfs_entry);
+		dmabuf->sysfs_entry = NULL;
+	}
+	dma_buf_put(dmabuf);
+}
+
+int dma_buf_stats_setup(struct dma_buf *dmabuf)
+{
+	struct dma_buf_sysfs_entry *sysfs_entry;
+	struct work_struct *work;
+
+	if (!dmabuf || !dmabuf->file)
+		return -EINVAL;
+
+	if (!dmabuf->exp_name) {
+		pr_err("exporter name must not be empty if stats needed\n");
+		return -EINVAL;
+	}
+
+	sysfs_entry = kmalloc(sizeof(struct dma_buf_sysfs_entry), GFP_KERNEL);
+	if (!sysfs_entry)
+		return -ENOMEM;
+
+	sysfs_entry->dmabuf = dmabuf;
+	dmabuf->sysfs_entry = sysfs_entry;
+
+	/*
+	 * The use of kobj as a work_struct is an ugly hack
+	 * to avoid an ABI break in this frozen kernel.
+	 */
+	work = (struct work_struct *)&dmabuf->sysfs_entry->kobj;
+	INIT_WORK(work, sysfs_add_workfn);
+	get_dma_buf(dmabuf); /* This reference will be dropped in sysfs_add_workfn. */
+	schedule_work(work);
+
+	return 0;
+}
diff --git a/drivers/dma-buf/dma-buf-sysfs-stats.h b/drivers/dma-buf/dma-buf-sysfs-stats.h
new file mode 100644
index 0000000..a49c6e2
--- /dev/null
+++ b/drivers/dma-buf/dma-buf-sysfs-stats.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * DMA-BUF sysfs statistics.
+ *
+ * Copyright (C) 2021 Google LLC.
+ */
+
+#ifndef _DMA_BUF_SYSFS_STATS_H
+#define _DMA_BUF_SYSFS_STATS_H
+
+#ifdef CONFIG_DMABUF_SYSFS_STATS
+
+int dma_buf_init_sysfs_statistics(void);
+void dma_buf_uninit_sysfs_statistics(void);
+
+int dma_buf_stats_setup(struct dma_buf *dmabuf);
+
+void dma_buf_stats_teardown(struct dma_buf *dmabuf);
+#else
+
+static inline int dma_buf_init_sysfs_statistics(void)
+{
+	return 0;
+}
+
+static inline void dma_buf_uninit_sysfs_statistics(void) {}
+
+static inline int dma_buf_stats_setup(struct dma_buf *dmabuf)
+{
+	return 0;
+}
+
+static inline void dma_buf_stats_teardown(struct dma_buf *dmabuf) {}
+#endif
+#endif // _DMA_BUF_SYSFS_STATS_H
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 93e9bf7..d32109b 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -29,7 +29,7 @@
 #include <uapi/linux/dma-buf.h>
 #include <uapi/linux/magic.h>
 
-static inline int is_dma_buf_file(struct file *);
+#include "dma-buf-sysfs-stats.h"
 
 struct dma_buf_list {
 	struct list_head head;
@@ -38,6 +38,30 @@
 
 static struct dma_buf_list db_list;
 
+/*
+ * This function helps in traversing the db_list and calls the
+ * callback function which can extract required info out of each
+ * dmabuf.
+ */
+int get_each_dmabuf(int (*callback)(const struct dma_buf *dmabuf,
+		    void *private), void *private)
+{
+	struct dma_buf *buf;
+	int ret = mutex_lock_interruptible(&db_list.lock);
+
+	if (ret)
+		return ret;
+
+	list_for_each_entry(buf, &db_list.head, list_node) {
+		ret = callback(buf, private);
+		if (ret)
+			break;
+	}
+	mutex_unlock(&db_list.lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(get_each_dmabuf);
+
 static char *dmabuffs_dname(struct dentry *dentry, char *buffer, int buflen)
 {
 	struct dma_buf *dmabuf;
@@ -74,6 +98,7 @@
 	 */
 	BUG_ON(dmabuf->cb_shared.active || dmabuf->cb_excl.active);
 
+	dma_buf_stats_teardown(dmabuf);
 	dmabuf->ops->release(dmabuf);
 
 	if (dmabuf->resv == (struct dma_resv *)&dmabuf[1])
@@ -438,13 +463,15 @@
 /*
  * is_dma_buf_file - Check if struct file* is associated with dma_buf
  */
-static inline int is_dma_buf_file(struct file *file)
+int is_dma_buf_file(struct file *file)
 {
 	return file->f_op == &dma_buf_fops;
 }
+EXPORT_SYMBOL_GPL(is_dma_buf_file);
 
 static struct file *dma_buf_getfile(struct dma_buf *dmabuf, int flags)
 {
+	static atomic64_t dmabuf_inode = ATOMIC64_INIT(0);
 	struct file *file;
 	struct inode *inode = alloc_anon_inode(dma_buf_mnt->mnt_sb);
 
@@ -454,6 +481,13 @@
 	inode->i_size = dmabuf->size;
 	inode_set_bytes(inode, dmabuf->size);
 
+	/*
+	 * The ->i_ino acquired from get_next_ino() is not unique thus
+	 * not suitable for using it as dentry name by dmabuf stats.
+	 * Override ->i_ino with the unique and dmabuffs specific
+	 * value.
+	 */
+	inode->i_ino = atomic64_add_return(1, &dmabuf_inode);
 	file = alloc_file_pseudo(inode, dma_buf_mnt, "dmabuf",
 				 flags, &dma_buf_fops);
 	if (IS_ERR(file))
@@ -587,8 +621,20 @@
 	list_add(&dmabuf->list_node, &db_list.head);
 	mutex_unlock(&db_list.lock);
 
+	ret = dma_buf_stats_setup(dmabuf);
+	if (ret)
+		goto err_sysfs;
+
 	return dmabuf;
 
+err_sysfs:
+	/*
+	 * Set file->f_path.dentry->d_fsdata to NULL so that when
+	 * dma_buf_release() gets invoked by dentry_ops, it exits
+	 * early before calling the release() dma_buf op.
+	 */
+	file->f_path.dentry->d_fsdata = NULL;
+	fput(file);
 err_dmabuf:
 	kfree(dmabuf);
 err_module:
@@ -1115,6 +1161,30 @@
 }
 EXPORT_SYMBOL_GPL(dma_buf_begin_cpu_access);
 
+int dma_buf_begin_cpu_access_partial(struct dma_buf *dmabuf,
+				     enum dma_data_direction direction,
+				     unsigned int offset, unsigned int len)
+{
+	int ret = 0;
+
+	if (WARN_ON(!dmabuf))
+		return -EINVAL;
+
+	if (dmabuf->ops->begin_cpu_access_partial)
+		ret = dmabuf->ops->begin_cpu_access_partial(dmabuf, direction,
+							    offset, len);
+
+	/* Ensure that all fences are waited upon - but we first allow
+	 * the native handler the chance to do so more efficiently if it
+	 * chooses. A double invocation here will be reasonably cheap no-op.
+	 */
+	if (ret == 0)
+		ret = __dma_buf_begin_cpu_access(dmabuf, direction);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(dma_buf_begin_cpu_access_partial);
+
 /**
  * dma_buf_end_cpu_access - Must be called after accessing a dma_buf from the
  * cpu in the kernel context. Calls end_cpu_access to allow exporter-specific
@@ -1141,6 +1211,21 @@
 }
 EXPORT_SYMBOL_GPL(dma_buf_end_cpu_access);
 
+int dma_buf_end_cpu_access_partial(struct dma_buf *dmabuf,
+				   enum dma_data_direction direction,
+				   unsigned int offset, unsigned int len)
+{
+	int ret = 0;
+
+	WARN_ON(!dmabuf);
+
+	if (dmabuf->ops->end_cpu_access_partial)
+		ret = dmabuf->ops->end_cpu_access_partial(dmabuf, direction,
+							  offset, len);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(dma_buf_end_cpu_access_partial);
 
 /**
  * dma_buf_mmap - Setup up a userspace mmap with the given vma
@@ -1269,6 +1354,32 @@
 }
 EXPORT_SYMBOL_GPL(dma_buf_vunmap);
 
+int dma_buf_get_flags(struct dma_buf *dmabuf, unsigned long *flags)
+{
+	int ret = 0;
+
+	if (WARN_ON(!dmabuf) || !flags)
+		return -EINVAL;
+
+	if (dmabuf->ops->get_flags)
+		ret = dmabuf->ops->get_flags(dmabuf, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(dma_buf_get_flags);
+
+int dma_buf_get_uuid(struct dma_buf *dmabuf, uuid_t *uuid)
+{
+	if (WARN_ON(!dmabuf) || !uuid)
+		return -EINVAL;
+
+	if (!dmabuf->ops->get_uuid)
+		return -ENODEV;
+
+	return dmabuf->ops->get_uuid(dmabuf, uuid);
+}
+EXPORT_SYMBOL_GPL(dma_buf_get_uuid);
+
 #ifdef CONFIG_DEBUG_FS
 static int dma_buf_debug_show(struct seq_file *s, void *unused)
 {
@@ -1297,6 +1408,7 @@
 		if (ret)
 			goto error_unlock;
 
+		spin_lock(&buf_obj->name_lock);
 		seq_printf(s, "%08zu\t%08x\t%08x\t%08ld\t%s\t%08lu\t%s\n",
 				buf_obj->size,
 				buf_obj->file->f_flags, buf_obj->file->f_mode,
@@ -1304,6 +1416,7 @@
 				buf_obj->exp_name,
 				file_inode(buf_obj->file)->i_ino,
 				buf_obj->name ?: "");
+		spin_unlock(&buf_obj->name_lock);
 
 		robj = buf_obj->resv;
 		while (true) {
@@ -1403,6 +1516,12 @@
 
 static int __init dma_buf_init(void)
 {
+	int ret;
+
+	ret = dma_buf_init_sysfs_statistics();
+	if (ret)
+		return ret;
+
 	dma_buf_mnt = kern_mount(&dma_buf_fs_type);
 	if (IS_ERR(dma_buf_mnt))
 		return PTR_ERR(dma_buf_mnt);
@@ -1418,5 +1537,6 @@
 {
 	dma_buf_uninit_debugfs();
 	kern_unmount(dma_buf_mnt);
+	dma_buf_uninit_sysfs_statistics();
 }
 __exitcall(dma_buf_deinit);
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 7475e09..d64fc03 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -312,6 +312,83 @@
 
 
 /**
+ * dma_fence_signal_timestamp_locked - signal completion of a fence
+ * @fence: the fence to signal
+ * @timestamp: fence signal timestamp in kernel's CLOCK_MONOTONIC time domain
+ *
+ * Signal completion for software callbacks on a fence, this will unblock
+ * dma_fence_wait() calls and run all the callbacks added with
+ * dma_fence_add_callback(). Can be called multiple times, but since a fence
+ * can only go from the unsignaled to the signaled state and not back, it will
+ * only be effective the first time. Set the timestamp provided as the fence
+ * signal timestamp.
+ *
+ * Unlike dma_fence_signal_timestamp(), this function must be called with
+ * &dma_fence.lock held.
+ *
+ * Returns 0 on success and a negative error value when @fence has been
+ * signalled already.
+ */
+int dma_fence_signal_timestamp_locked(struct dma_fence *fence,
+				      ktime_t timestamp)
+{
+	struct dma_fence_cb *cur, *tmp;
+	struct list_head cb_list;
+
+	lockdep_assert_held(fence->lock);
+
+	if (unlikely(test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
+				      &fence->flags)))
+		return -EINVAL;
+
+	/* Stash the cb_list before replacing it with the timestamp */
+	list_replace(&fence->cb_list, &cb_list);
+
+	fence->timestamp = timestamp;
+	set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags);
+	trace_dma_fence_signaled(fence);
+
+	list_for_each_entry_safe(cur, tmp, &cb_list, node) {
+		INIT_LIST_HEAD(&cur->node);
+		cur->func(fence, cur);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(dma_fence_signal_timestamp_locked);
+
+/**
+ * dma_fence_signal_timestamp - signal completion of a fence
+ * @fence: the fence to signal
+ * @timestamp: fence signal timestamp in kernel's CLOCK_MONOTONIC time domain
+ *
+ * Signal completion for software callbacks on a fence, this will unblock
+ * dma_fence_wait() calls and run all the callbacks added with
+ * dma_fence_add_callback(). Can be called multiple times, but since a fence
+ * can only go from the unsignaled to the signaled state and not back, it will
+ * only be effective the first time. Set the timestamp provided as the fence
+ * signal timestamp.
+ *
+ * Returns 0 on success and a negative error value when @fence has been
+ * signalled already.
+ */
+int dma_fence_signal_timestamp(struct dma_fence *fence, ktime_t timestamp)
+{
+	unsigned long flags;
+	int ret;
+
+	if (!fence)
+		return -EINVAL;
+
+	spin_lock_irqsave(fence->lock, flags);
+	ret = dma_fence_signal_timestamp_locked(fence, timestamp);
+	spin_unlock_irqrestore(fence->lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(dma_fence_signal_timestamp);
+
+/**
  * dma_fence_signal_locked - signal completion of a fence
  * @fence: the fence to signal
  *
@@ -329,28 +406,7 @@
  */
 int dma_fence_signal_locked(struct dma_fence *fence)
 {
-	struct dma_fence_cb *cur, *tmp;
-	struct list_head cb_list;
-
-	lockdep_assert_held(fence->lock);
-
-	if (unlikely(test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
-				      &fence->flags)))
-		return -EINVAL;
-
-	/* Stash the cb_list before replacing it with the timestamp */
-	list_replace(&fence->cb_list, &cb_list);
-
-	fence->timestamp = ktime_get();
-	set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags);
-	trace_dma_fence_signaled(fence);
-
-	list_for_each_entry_safe(cur, tmp, &cb_list, node) {
-		INIT_LIST_HEAD(&cur->node);
-		cur->func(fence, cur);
-	}
-
-	return 0;
+	return dma_fence_signal_timestamp_locked(fence, ktime_get());
 }
 EXPORT_SYMBOL(dma_fence_signal_locked);
 
@@ -379,7 +435,7 @@
 	tmp = dma_fence_begin_signalling();
 
 	spin_lock_irqsave(fence->lock, flags);
-	ret = dma_fence_signal_locked(fence);
+	ret = dma_fence_signal_timestamp_locked(fence, ktime_get());
 	spin_unlock_irqrestore(fence->lock, flags);
 
 	dma_fence_end_signalling(tmp);
diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
index dcbb023a..c372cb9 100644
--- a/drivers/dma-buf/dma-heap.c
+++ b/drivers/dma-buf/dma-heap.c
@@ -20,6 +20,8 @@
 #include <linux/dma-heap.h>
 #include <uapi/linux/dma-heap.h>
 
+#include <trace/hooks/dmabuf.h>
+
 #define DEVNAME "dma_heap"
 
 #define NUM_HEAP_MINORS 128
@@ -31,6 +33,7 @@
  * @heap_devt		heap device node
  * @list		list head connecting to list of heaps
  * @heap_cdev		heap char device
+ * @heap_dev		heap device struct
  *
  * Represents a heap of memory from which buffers can be made.
  */
@@ -41,6 +44,8 @@
 	dev_t heap_devt;
 	struct list_head list;
 	struct cdev heap_cdev;
+	struct kref refcount;
+	struct device *heap_dev;
 };
 
 static LIST_HEAD(heap_list);
@@ -49,20 +54,77 @@
 static struct class *dma_heap_class;
 static DEFINE_XARRAY_ALLOC(dma_heap_minors);
 
-static int dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,
-				 unsigned int fd_flags,
-				 unsigned int heap_flags)
+struct dma_heap *dma_heap_find(const char *name)
 {
+	struct dma_heap *h;
+
+	mutex_lock(&heap_list_lock);
+	list_for_each_entry(h, &heap_list, list) {
+		if (!strcmp(h->name, name)) {
+			kref_get(&h->refcount);
+			mutex_unlock(&heap_list_lock);
+			return h;
+		}
+	}
+	mutex_unlock(&heap_list_lock);
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(dma_heap_find);
+
+
+void dma_heap_buffer_free(struct dma_buf *dmabuf)
+{
+	dma_buf_put(dmabuf);
+}
+EXPORT_SYMBOL_GPL(dma_heap_buffer_free);
+
+struct dma_buf *dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,
+				      unsigned int fd_flags,
+				      unsigned int heap_flags)
+{
+	bool vh_valid = false;
+
+	trace_android_vh_dmabuf_heap_flags_validation(heap,
+		len, fd_flags, heap_flags, &vh_valid);
+
+	if (fd_flags & ~DMA_HEAP_VALID_FD_FLAGS)
+		return ERR_PTR(-EINVAL);
+
+	if (heap_flags & ~DMA_HEAP_VALID_HEAP_FLAGS && !vh_valid)
+		return ERR_PTR(-EINVAL);
 	/*
 	 * Allocations from all heaps have to begin
 	 * and end on page boundaries.
 	 */
 	len = PAGE_ALIGN(len);
 	if (!len)
-		return -EINVAL;
+		return ERR_PTR(-EINVAL);
 
 	return heap->ops->allocate(heap, len, fd_flags, heap_flags);
 }
+EXPORT_SYMBOL_GPL(dma_heap_buffer_alloc);
+
+int dma_heap_bufferfd_alloc(struct dma_heap *heap, size_t len,
+			    unsigned int fd_flags,
+			    unsigned int heap_flags)
+{
+	struct dma_buf *dmabuf;
+	int fd;
+
+	dmabuf = dma_heap_buffer_alloc(heap, len, fd_flags, heap_flags);
+
+	if (IS_ERR(dmabuf))
+		return PTR_ERR(dmabuf);
+
+	fd = dma_buf_fd(dmabuf, fd_flags);
+	if (fd < 0) {
+		dma_buf_put(dmabuf);
+		/* just return, as put will call release and that will free */
+	}
+	return fd;
+
+}
+EXPORT_SYMBOL_GPL(dma_heap_bufferfd_alloc);
 
 static int dma_heap_open(struct inode *inode, struct file *file)
 {
@@ -90,15 +152,9 @@
 	if (heap_allocation->fd)
 		return -EINVAL;
 
-	if (heap_allocation->fd_flags & ~DMA_HEAP_VALID_FD_FLAGS)
-		return -EINVAL;
-
-	if (heap_allocation->heap_flags & ~DMA_HEAP_VALID_HEAP_FLAGS)
-		return -EINVAL;
-
-	fd = dma_heap_buffer_alloc(heap, heap_allocation->len,
-				   heap_allocation->fd_flags,
-				   heap_allocation->heap_flags);
+	fd = dma_heap_bufferfd_alloc(heap, heap_allocation->len,
+				     heap_allocation->fd_flags,
+				     heap_allocation->heap_flags);
 	if (fd < 0)
 		return fd;
 
@@ -191,11 +247,64 @@
 {
 	return heap->priv;
 }
+EXPORT_SYMBOL_GPL(dma_heap_get_drvdata);
+
+static void dma_heap_release(struct kref *ref)
+{
+	struct dma_heap *heap = container_of(ref, struct dma_heap, refcount);
+	int minor = MINOR(heap->heap_devt);
+
+	/* Note, we already holding the heap_list_lock here */
+	list_del(&heap->list);
+
+	device_destroy(dma_heap_class, heap->heap_devt);
+	cdev_del(&heap->heap_cdev);
+	xa_erase(&dma_heap_minors, minor);
+
+	kfree(heap);
+}
+
+void dma_heap_put(struct dma_heap *h)
+{
+	/*
+	 * Take the heap_list_lock now to avoid racing with code
+	 * scanning the list and then taking a kref.
+	 */
+	mutex_lock(&heap_list_lock);
+	kref_put(&h->refcount, dma_heap_release);
+	mutex_unlock(&heap_list_lock);
+}
+EXPORT_SYMBOL_GPL(dma_heap_put);
+
+/**
+ * dma_heap_get_dev() - get device struct for the heap
+ * @heap: DMA-Heap to retrieve device struct from
+ *
+ * Returns:
+ * The device struct for the heap.
+ */
+struct device *dma_heap_get_dev(struct dma_heap *heap)
+{
+	return heap->heap_dev;
+}
+EXPORT_SYMBOL_GPL(dma_heap_get_dev);
+
+/**
+ * dma_heap_get_name() - get heap name
+ * @heap: DMA-Heap to retrieve private data for
+ *
+ * Returns:
+ * The char* for the heap name.
+ */
+const char *dma_heap_get_name(struct dma_heap *heap)
+{
+	return heap->name;
+}
+EXPORT_SYMBOL_GPL(dma_heap_get_name);
 
 struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
 {
 	struct dma_heap *heap, *h, *err_ret;
-	struct device *dev_ret;
 	unsigned int minor;
 	int ret;
 
@@ -213,6 +322,7 @@
 	if (!heap)
 		return ERR_PTR(-ENOMEM);
 
+	kref_init(&heap->refcount);
 	heap->name = exp_info->name;
 	heap->ops = exp_info->ops;
 	heap->priv = exp_info->priv;
@@ -237,17 +347,20 @@
 		goto err1;
 	}
 
-	dev_ret = device_create(dma_heap_class,
-				NULL,
-				heap->heap_devt,
-				NULL,
-				heap->name);
-	if (IS_ERR(dev_ret)) {
+	heap->heap_dev = device_create(dma_heap_class,
+				       NULL,
+				       heap->heap_devt,
+				       NULL,
+				       heap->name);
+	if (IS_ERR(heap->heap_dev)) {
 		pr_err("dma_heap: Unable to create device\n");
-		err_ret = ERR_CAST(dev_ret);
+		err_ret = ERR_CAST(heap->heap_dev);
 		goto err2;
 	}
 
+	/* Make sure it doesn't disappear on us */
+	heap->heap_dev = get_device(heap->heap_dev);
+
 	mutex_lock(&heap_list_lock);
 	/* check the name is unique */
 	list_for_each_entry(h, &heap_list, list) {
@@ -256,6 +369,7 @@
 			pr_err("dma_heap: Already registered heap named %s\n",
 			       exp_info->name);
 			err_ret = ERR_PTR(-EINVAL);
+			put_device(heap->heap_dev);
 			goto err3;
 		}
 	}
@@ -276,27 +390,88 @@
 	kfree(heap);
 	return err_ret;
 }
+EXPORT_SYMBOL_GPL(dma_heap_add);
 
 static char *dma_heap_devnode(struct device *dev, umode_t *mode)
 {
 	return kasprintf(GFP_KERNEL, "dma_heap/%s", dev_name(dev));
 }
 
+static ssize_t total_pools_kb_show(struct kobject *kobj,
+				   struct kobj_attribute *attr, char *buf)
+{
+	struct dma_heap *heap;
+	u64 total_pool_size = 0;
+
+	mutex_lock(&heap_list_lock);
+	list_for_each_entry(heap, &heap_list, list) {
+		if (heap->ops->get_pool_size)
+			total_pool_size += heap->ops->get_pool_size(heap);
+	}
+	mutex_unlock(&heap_list_lock);
+
+	return sysfs_emit(buf, "%llu\n", total_pool_size / 1024);
+}
+
+static struct kobj_attribute total_pools_kb_attr =
+	__ATTR_RO(total_pools_kb);
+
+static struct attribute *dma_heap_sysfs_attrs[] = {
+	&total_pools_kb_attr.attr,
+	NULL,
+};
+
+ATTRIBUTE_GROUPS(dma_heap_sysfs);
+
+static struct kobject *dma_heap_kobject;
+
+static int dma_heap_sysfs_setup(void)
+{
+	int ret;
+
+	dma_heap_kobject = kobject_create_and_add("dma_heap", kernel_kobj);
+	if (!dma_heap_kobject)
+		return -ENOMEM;
+
+	ret = sysfs_create_groups(dma_heap_kobject, dma_heap_sysfs_groups);
+	if (ret) {
+		kobject_put(dma_heap_kobject);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void dma_heap_sysfs_teardown(void)
+{
+	kobject_put(dma_heap_kobject);
+}
+
 static int dma_heap_init(void)
 {
 	int ret;
 
-	ret = alloc_chrdev_region(&dma_heap_devt, 0, NUM_HEAP_MINORS, DEVNAME);
+	ret = dma_heap_sysfs_setup();
 	if (ret)
 		return ret;
 
+	ret = alloc_chrdev_region(&dma_heap_devt, 0, NUM_HEAP_MINORS, DEVNAME);
+	if (ret)
+		goto err_chrdev;
+
 	dma_heap_class = class_create(THIS_MODULE, DEVNAME);
 	if (IS_ERR(dma_heap_class)) {
-		unregister_chrdev_region(dma_heap_devt, NUM_HEAP_MINORS);
-		return PTR_ERR(dma_heap_class);
+		ret = PTR_ERR(dma_heap_class);
+		goto err_class;
 	}
 	dma_heap_class->devnode = dma_heap_devnode;
 
 	return 0;
+
+err_class:
+	unregister_chrdev_region(dma_heap_devt, NUM_HEAP_MINORS);
+err_chrdev:
+	dma_heap_sysfs_teardown();
+	return ret;
 }
 subsys_initcall(dma_heap_init);
diff --git a/drivers/dma-buf/heaps/Kconfig b/drivers/dma-buf/heaps/Kconfig
index a5eef06..ff52efa 100644
--- a/drivers/dma-buf/heaps/Kconfig
+++ b/drivers/dma-buf/heaps/Kconfig
@@ -1,12 +1,22 @@
+menuconfig DMABUF_HEAPS_DEFERRED_FREE
+	bool "DMA-BUF heaps deferred-free library"
+	help
+	  Choose this option to enable the DMA-BUF heaps deferred-free library.
+
+menuconfig DMABUF_HEAPS_PAGE_POOL
+	bool "DMA-BUF heaps page-pool library"
+	help
+	  Choose this option to enable the DMA-BUF heaps page-pool library.
+
 config DMABUF_HEAPS_SYSTEM
-	bool "DMA-BUF System Heap"
-	depends on DMABUF_HEAPS
+	tristate "DMA-BUF System Heap"
+	depends on DMABUF_HEAPS && DMABUF_HEAPS_DEFERRED_FREE && DMABUF_HEAPS_PAGE_POOL
 	help
 	  Choose this option to enable the system dmabuf heap. The system heap
 	  is backed by pages from the buddy allocator. If in doubt, say Y.
 
 config DMABUF_HEAPS_CMA
-	bool "DMA-BUF CMA Heap"
+	tristate "DMA-BUF CMA Heap"
 	depends on DMABUF_HEAPS && DMA_CMA
 	help
 	  Choose this option to enable dma-buf CMA heap. This heap is backed
diff --git a/drivers/dma-buf/heaps/Makefile b/drivers/dma-buf/heaps/Makefile
index 6e54cde..4d4cd94 100644
--- a/drivers/dma-buf/heaps/Makefile
+++ b/drivers/dma-buf/heaps/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-obj-y					+= heap-helpers.o
+obj-$(CONFIG_DMABUF_HEAPS_DEFERRED_FREE) += deferred-free-helper.o
+obj-$(CONFIG_DMABUF_HEAPS_PAGE_POOL)	+= page_pool.o
 obj-$(CONFIG_DMABUF_HEAPS_SYSTEM)	+= system_heap.o
 obj-$(CONFIG_DMABUF_HEAPS_CMA)		+= cma_heap.o
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index e55384d..511d678 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -2,76 +2,308 @@
 /*
  * DMABUF CMA heap exporter
  *
- * Copyright (C) 2012, 2019 Linaro Ltd.
+ * Copyright (C) 2012, 2019, 2020 Linaro Ltd.
  * Author: <benjamin.gaignard@linaro.org> for ST-Ericsson.
+ *
+ * Also utilizing parts of Andrew Davis' SRAM heap:
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Andrew F. Davis <afd@ti.com>
  */
-
 #include <linux/cma.h>
-#include <linux/device.h>
 #include <linux/dma-buf.h>
 #include <linux/dma-heap.h>
 #include <linux/dma-map-ops.h>
 #include <linux/err.h>
-#include <linux/errno.h>
 #include <linux/highmem.h>
+#include <linux/io.h>
+#include <linux/mm.h>
 #include <linux/module.h>
-#include <linux/slab.h>
 #include <linux/scatterlist.h>
-#include <linux/sched/signal.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
 
-#include "heap-helpers.h"
 
 struct cma_heap {
 	struct dma_heap *heap;
 	struct cma *cma;
 };
 
-static void cma_heap_free(struct heap_helper_buffer *buffer)
+struct cma_heap_buffer {
+	struct cma_heap *heap;
+	struct list_head attachments;
+	struct mutex lock;
+	unsigned long len;
+	struct page *cma_pages;
+	struct page **pages;
+	pgoff_t pagecount;
+	int vmap_cnt;
+	void *vaddr;
+};
+
+struct dma_heap_attachment {
+	struct device *dev;
+	struct sg_table table;
+	struct list_head list;
+	bool mapped;
+};
+
+static int cma_heap_attach(struct dma_buf *dmabuf,
+			   struct dma_buf_attachment *attachment)
 {
-	struct cma_heap *cma_heap = dma_heap_get_drvdata(buffer->heap);
-	unsigned long nr_pages = buffer->pagecount;
-	struct page *cma_pages = buffer->priv_virt;
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a;
+	int ret;
+
+	a = kzalloc(sizeof(*a), GFP_KERNEL);
+	if (!a)
+		return -ENOMEM;
+
+	ret = sg_alloc_table_from_pages(&a->table, buffer->pages,
+					buffer->pagecount, 0,
+					buffer->pagecount << PAGE_SHIFT,
+					GFP_KERNEL);
+	if (ret) {
+		kfree(a);
+		return ret;
+	}
+
+	a->dev = attachment->dev;
+	INIT_LIST_HEAD(&a->list);
+	a->mapped = false;
+
+	attachment->priv = a;
+
+	mutex_lock(&buffer->lock);
+	list_add(&a->list, &buffer->attachments);
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static void cma_heap_detach(struct dma_buf *dmabuf,
+			    struct dma_buf_attachment *attachment)
+{
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a = attachment->priv;
+
+	mutex_lock(&buffer->lock);
+	list_del(&a->list);
+	mutex_unlock(&buffer->lock);
+
+	sg_free_table(&a->table);
+	kfree(a);
+}
+
+static struct sg_table *cma_heap_map_dma_buf(struct dma_buf_attachment *attachment,
+					     enum dma_data_direction direction)
+{
+	struct dma_heap_attachment *a = attachment->priv;
+	struct sg_table *table = &a->table;
+	int attrs = attachment->dma_map_attrs;
+	int ret;
+
+	ret = dma_map_sgtable(attachment->dev, table, direction, attrs);
+	if (ret)
+		return ERR_PTR(-ENOMEM);
+	a->mapped = true;
+	return table;
+}
+
+static void cma_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
+				   struct sg_table *table,
+				   enum dma_data_direction direction)
+{
+	struct dma_heap_attachment *a = attachment->priv;
+	int attrs = attachment->dma_map_attrs;
+
+	a->mapped = false;
+	dma_unmap_sgtable(attachment->dev, table, direction, attrs);
+}
+
+static int cma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
+					     enum dma_data_direction direction)
+{
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a;
+
+	mutex_lock(&buffer->lock);
+
+	if (buffer->vmap_cnt)
+		invalidate_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+	list_for_each_entry(a, &buffer->attachments, list) {
+		if (!a->mapped)
+			continue;
+		dma_sync_sgtable_for_cpu(a->dev, &a->table, direction);
+	}
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static int cma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
+					   enum dma_data_direction direction)
+{
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a;
+
+	mutex_lock(&buffer->lock);
+
+	if (buffer->vmap_cnt)
+		flush_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+	list_for_each_entry(a, &buffer->attachments, list) {
+		if (!a->mapped)
+			continue;
+		dma_sync_sgtable_for_device(a->dev, &a->table, direction);
+	}
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static vm_fault_t cma_heap_vm_fault(struct vm_fault *vmf)
+{
+	struct vm_area_struct *vma = vmf->vma;
+	struct cma_heap_buffer *buffer = vma->vm_private_data;
+
+	if (vmf->pgoff > buffer->pagecount)
+		return VM_FAULT_SIGBUS;
+
+	vmf->page = buffer->pages[vmf->pgoff];
+	get_page(vmf->page);
+
+	return 0;
+}
+
+static const struct vm_operations_struct dma_heap_vm_ops = {
+	.fault = cma_heap_vm_fault,
+};
+
+static int cma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
+{
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+
+	if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0)
+		return -EINVAL;
+
+	vma->vm_ops = &dma_heap_vm_ops;
+	vma->vm_private_data = buffer;
+
+	return 0;
+}
+
+static void *cma_heap_do_vmap(struct cma_heap_buffer *buffer)
+{
+	void *vaddr;
+
+	vaddr = vmap(buffer->pages, buffer->pagecount, VM_MAP, PAGE_KERNEL);
+	if (!vaddr)
+		return ERR_PTR(-ENOMEM);
+
+	return vaddr;
+}
+
+static void *cma_heap_vmap(struct dma_buf *dmabuf)
+{
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+	void *vaddr;
+
+	mutex_lock(&buffer->lock);
+	if (buffer->vmap_cnt) {
+		buffer->vmap_cnt++;
+		vaddr = buffer->vaddr;
+		goto out;
+	}
+
+	vaddr = cma_heap_do_vmap(buffer);
+	if (IS_ERR(vaddr))
+		goto out;
+
+	buffer->vaddr = vaddr;
+	buffer->vmap_cnt++;
+out:
+	mutex_unlock(&buffer->lock);
+
+	return vaddr;
+}
+
+static void cma_heap_vunmap(struct dma_buf *dmabuf, void *vaddr)
+{
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+
+	mutex_lock(&buffer->lock);
+	if (!--buffer->vmap_cnt) {
+		vunmap(buffer->vaddr);
+		buffer->vaddr = NULL;
+	}
+	mutex_unlock(&buffer->lock);
+}
+
+static void cma_heap_dma_buf_release(struct dma_buf *dmabuf)
+{
+	struct cma_heap_buffer *buffer = dmabuf->priv;
+	struct cma_heap *cma_heap = buffer->heap;
+
+	if (buffer->vmap_cnt > 0) {
+		WARN(1, "%s: buffer still mapped in the kernel\n", __func__);
+		vunmap(buffer->vaddr);
+	}
 
 	/* free page list */
 	kfree(buffer->pages);
 	/* release memory */
-	cma_release(cma_heap->cma, cma_pages, nr_pages);
+	cma_release(cma_heap->cma, buffer->cma_pages, buffer->pagecount);
 	kfree(buffer);
 }
 
-/* dmabuf heap CMA operations functions */
-static int cma_heap_allocate(struct dma_heap *heap,
-			     unsigned long len,
-			     unsigned long fd_flags,
-			     unsigned long heap_flags)
+static const struct dma_buf_ops cma_heap_buf_ops = {
+	.attach = cma_heap_attach,
+	.detach = cma_heap_detach,
+	.map_dma_buf = cma_heap_map_dma_buf,
+	.unmap_dma_buf = cma_heap_unmap_dma_buf,
+	.begin_cpu_access = cma_heap_dma_buf_begin_cpu_access,
+	.end_cpu_access = cma_heap_dma_buf_end_cpu_access,
+	.mmap = cma_heap_mmap,
+	.vmap = cma_heap_vmap,
+	.vunmap = cma_heap_vunmap,
+	.release = cma_heap_dma_buf_release,
+};
+
+static struct dma_buf *cma_heap_allocate(struct dma_heap *heap,
+					 unsigned long len,
+					 unsigned long fd_flags,
+					 unsigned long heap_flags)
 {
 	struct cma_heap *cma_heap = dma_heap_get_drvdata(heap);
-	struct heap_helper_buffer *helper_buffer;
-	struct page *cma_pages;
+	struct cma_heap_buffer *buffer;
+	DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
 	size_t size = PAGE_ALIGN(len);
-	unsigned long nr_pages = size >> PAGE_SHIFT;
+	pgoff_t pagecount = size >> PAGE_SHIFT;
 	unsigned long align = get_order(size);
+	struct page *cma_pages;
 	struct dma_buf *dmabuf;
 	int ret = -ENOMEM;
 	pgoff_t pg;
 
+	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+	if (!buffer)
+		return ERR_PTR(-ENOMEM);
+
+	INIT_LIST_HEAD(&buffer->attachments);
+	mutex_init(&buffer->lock);
+	buffer->len = size;
+
 	if (align > CONFIG_CMA_ALIGNMENT)
 		align = CONFIG_CMA_ALIGNMENT;
 
-	helper_buffer = kzalloc(sizeof(*helper_buffer), GFP_KERNEL);
-	if (!helper_buffer)
-		return -ENOMEM;
-
-	init_heap_helper_buffer(helper_buffer, cma_heap_free);
-	helper_buffer->heap = heap;
-	helper_buffer->size = len;
-
-	cma_pages = cma_alloc(cma_heap->cma, nr_pages, align, false);
+	cma_pages = cma_alloc(cma_heap->cma, pagecount, align, GFP_KERNEL);
 	if (!cma_pages)
-		goto free_buf;
+		goto free_buffer;
 
+	/* Clear the cma pages */
 	if (PageHighMem(cma_pages)) {
-		unsigned long nr_clear_pages = nr_pages;
+		unsigned long nr_clear_pages = pagecount;
 		struct page *page = cma_pages;
 
 		while (nr_clear_pages > 0) {
@@ -85,7 +317,6 @@
 			 */
 			if (fatal_signal_pending(current))
 				goto free_cma;
-
 			page++;
 			nr_clear_pages--;
 		}
@@ -93,44 +324,41 @@
 		memset(page_address(cma_pages), 0, size);
 	}
 
-	helper_buffer->pagecount = nr_pages;
-	helper_buffer->pages = kmalloc_array(helper_buffer->pagecount,
-					     sizeof(*helper_buffer->pages),
-					     GFP_KERNEL);
-	if (!helper_buffer->pages) {
+	buffer->pages = kmalloc_array(pagecount, sizeof(*buffer->pages), GFP_KERNEL);
+	if (!buffer->pages) {
 		ret = -ENOMEM;
 		goto free_cma;
 	}
 
-	for (pg = 0; pg < helper_buffer->pagecount; pg++)
-		helper_buffer->pages[pg] = &cma_pages[pg];
+	for (pg = 0; pg < pagecount; pg++)
+		buffer->pages[pg] = &cma_pages[pg];
+
+	buffer->cma_pages = cma_pages;
+	buffer->heap = cma_heap;
+	buffer->pagecount = pagecount;
 
 	/* create the dmabuf */
-	dmabuf = heap_helper_export_dmabuf(helper_buffer, fd_flags);
+	exp_info.exp_name = dma_heap_get_name(heap);
+	exp_info.ops = &cma_heap_buf_ops;
+	exp_info.size = buffer->len;
+	exp_info.flags = fd_flags;
+	exp_info.priv = buffer;
+	dmabuf = dma_buf_export(&exp_info);
 	if (IS_ERR(dmabuf)) {
 		ret = PTR_ERR(dmabuf);
 		goto free_pages;
 	}
 
-	helper_buffer->dmabuf = dmabuf;
-	helper_buffer->priv_virt = cma_pages;
-
-	ret = dma_buf_fd(dmabuf, fd_flags);
-	if (ret < 0) {
-		dma_buf_put(dmabuf);
-		/* just return, as put will call release and that will free */
-		return ret;
-	}
-
-	return ret;
+	return dmabuf;
 
 free_pages:
-	kfree(helper_buffer->pages);
+	kfree(buffer->pages);
 free_cma:
-	cma_release(cma_heap->cma, cma_pages, nr_pages);
-free_buf:
-	kfree(helper_buffer);
-	return ret;
+	cma_release(cma_heap->cma, cma_pages, pagecount);
+free_buffer:
+	kfree(buffer);
+
+	return ERR_PTR(ret);
 }
 
 static const struct dma_heap_ops cma_heap_ops = {
diff --git a/drivers/dma-buf/heaps/deferred-free-helper.c b/drivers/dma-buf/heaps/deferred-free-helper.c
new file mode 100644
index 0000000..1330d27
--- /dev/null
+++ b/drivers/dma-buf/heaps/deferred-free-helper.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Deferred dmabuf freeing helper
+ *
+ * Copyright (C) 2020 Linaro, Ltd.
+ *
+ * Based on the ION page pool code
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#include <linux/freezer.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/swap.h>
+#include <linux/sched/signal.h>
+
+#include "deferred-free-helper.h"
+
+static LIST_HEAD(free_list);
+static size_t list_nr_pages;
+wait_queue_head_t freelist_waitqueue;
+struct task_struct *freelist_task;
+static DEFINE_SPINLOCK(free_list_lock);
+
+void deferred_free(struct deferred_freelist_item *item,
+		   void (*free)(struct deferred_freelist_item*,
+				enum df_reason),
+		   size_t nr_pages)
+{
+	unsigned long flags;
+
+	INIT_LIST_HEAD(&item->list);
+	item->nr_pages = nr_pages;
+	item->free = free;
+
+	spin_lock_irqsave(&free_list_lock, flags);
+	list_add(&item->list, &free_list);
+	list_nr_pages += nr_pages;
+	spin_unlock_irqrestore(&free_list_lock, flags);
+	wake_up(&freelist_waitqueue);
+}
+EXPORT_SYMBOL_GPL(deferred_free);
+
+static size_t free_one_item(enum df_reason reason)
+{
+	unsigned long flags;
+	size_t nr_pages;
+	struct deferred_freelist_item *item;
+
+	spin_lock_irqsave(&free_list_lock, flags);
+	if (list_empty(&free_list)) {
+		spin_unlock_irqrestore(&free_list_lock, flags);
+		return 0;
+	}
+	item = list_first_entry(&free_list, struct deferred_freelist_item, list);
+	list_del(&item->list);
+	nr_pages = item->nr_pages;
+	list_nr_pages -= nr_pages;
+	spin_unlock_irqrestore(&free_list_lock, flags);
+
+	item->free(item, reason);
+	return nr_pages;
+}
+
+unsigned long get_freelist_nr_pages(void)
+{
+	unsigned long nr_pages;
+	unsigned long flags;
+
+	spin_lock_irqsave(&free_list_lock, flags);
+	nr_pages = list_nr_pages;
+	spin_unlock_irqrestore(&free_list_lock, flags);
+	return nr_pages;
+}
+EXPORT_SYMBOL_GPL(get_freelist_nr_pages);
+
+static unsigned long freelist_shrink_count(struct shrinker *shrinker,
+					   struct shrink_control *sc)
+{
+	return get_freelist_nr_pages();
+}
+
+static unsigned long freelist_shrink_scan(struct shrinker *shrinker,
+					  struct shrink_control *sc)
+{
+	unsigned long total_freed = 0;
+
+	if (sc->nr_to_scan == 0)
+		return 0;
+
+	while (total_freed < sc->nr_to_scan) {
+		size_t pages_freed = free_one_item(DF_UNDER_PRESSURE);
+
+		if (!pages_freed)
+			break;
+
+		total_freed += pages_freed;
+	}
+
+	return total_freed;
+}
+
+static struct shrinker freelist_shrinker = {
+	.count_objects = freelist_shrink_count,
+	.scan_objects = freelist_shrink_scan,
+	.seeks = DEFAULT_SEEKS,
+	.batch = 0,
+};
+
+static int deferred_free_thread(void *data)
+{
+	while (true) {
+		wait_event_freezable(freelist_waitqueue,
+				     get_freelist_nr_pages() > 0);
+
+		free_one_item(DF_NORMAL);
+	}
+
+	return 0;
+}
+
+static int deferred_freelist_init(void)
+{
+	list_nr_pages = 0;
+
+	init_waitqueue_head(&freelist_waitqueue);
+	freelist_task = kthread_run(deferred_free_thread, NULL,
+				    "%s", "dmabuf-deferred-free-worker");
+	if (IS_ERR(freelist_task)) {
+		pr_err("Creating thread for deferred free failed\n");
+		return -1;
+	}
+	sched_set_normal(freelist_task, 19);
+
+	return register_shrinker(&freelist_shrinker);
+}
+module_init(deferred_freelist_init);
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/dma-buf/heaps/deferred-free-helper.h b/drivers/dma-buf/heaps/deferred-free-helper.h
new file mode 100644
index 0000000..4154403
--- /dev/null
+++ b/drivers/dma-buf/heaps/deferred-free-helper.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef DEFERRED_FREE_HELPER_H
+#define DEFERRED_FREE_HELPER_H
+
+/**
+ * df_reason - enum for reason why item was freed
+ *
+ * This provides a reason for why the free function was called
+ * on the item. This is useful when deferred_free is used in
+ * combination with a pagepool, so under pressure the page can
+ * be immediately freed.
+ *
+ * DF_NORMAL:         Normal deferred free
+ *
+ * DF_UNDER_PRESSURE: Free was called because the system
+ *                    is under memory pressure. Usually
+ *                    from a shrinker. Avoid allocating
+ *                    memory in the free call, as it may
+ *                    fail.
+ */
+enum df_reason {
+	DF_NORMAL,
+	DF_UNDER_PRESSURE,
+};
+
+/**
+ * deferred_freelist_item - item structure for deferred freelist
+ *
+ * This is to be added to the structure for whatever you want to
+ * defer freeing on.
+ *
+ * @nr_pages: number of pages used by item to be freed
+ * @free: function pointer to be called when freeing the item
+ * @list: list entry for the deferred list
+ */
+struct deferred_freelist_item {
+	size_t nr_pages;
+	void (*free)(struct deferred_freelist_item *i,
+		     enum df_reason reason);
+	struct list_head list;
+};
+
+/**
+ * deferred_free - call to add item to the deferred free list
+ *
+ * @item: Pointer to deferred_freelist_item field of a structure
+ * @free: Function pointer to the free call
+ * @nr_pages: number of pages to be freed
+ */
+void deferred_free(struct deferred_freelist_item *item,
+		   void (*free)(struct deferred_freelist_item *i,
+				enum df_reason reason),
+		   size_t nr_pages);
+
+unsigned long get_freelist_nr_pages(void);
+#endif
diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
deleted file mode 100644
index d0696cf..0000000
--- a/drivers/dma-buf/heaps/heap-helpers.c
+++ /dev/null
@@ -1,270 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/device.h>
-#include <linux/dma-buf.h>
-#include <linux/err.h>
-#include <linux/highmem.h>
-#include <linux/idr.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-#include <linux/vmalloc.h>
-#include <uapi/linux/dma-heap.h>
-
-#include "heap-helpers.h"
-
-void init_heap_helper_buffer(struct heap_helper_buffer *buffer,
-			     void (*free)(struct heap_helper_buffer *))
-{
-	buffer->priv_virt = NULL;
-	mutex_init(&buffer->lock);
-	buffer->vmap_cnt = 0;
-	buffer->vaddr = NULL;
-	buffer->pagecount = 0;
-	buffer->pages = NULL;
-	INIT_LIST_HEAD(&buffer->attachments);
-	buffer->free = free;
-}
-
-struct dma_buf *heap_helper_export_dmabuf(struct heap_helper_buffer *buffer,
-					  int fd_flags)
-{
-	DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
-
-	exp_info.ops = &heap_helper_ops;
-	exp_info.size = buffer->size;
-	exp_info.flags = fd_flags;
-	exp_info.priv = buffer;
-
-	return dma_buf_export(&exp_info);
-}
-
-static void *dma_heap_map_kernel(struct heap_helper_buffer *buffer)
-{
-	void *vaddr;
-
-	vaddr = vmap(buffer->pages, buffer->pagecount, VM_MAP, PAGE_KERNEL);
-	if (!vaddr)
-		return ERR_PTR(-ENOMEM);
-
-	return vaddr;
-}
-
-static void dma_heap_buffer_destroy(struct heap_helper_buffer *buffer)
-{
-	if (buffer->vmap_cnt > 0) {
-		WARN(1, "%s: buffer still mapped in the kernel\n", __func__);
-		vunmap(buffer->vaddr);
-	}
-
-	buffer->free(buffer);
-}
-
-static void *dma_heap_buffer_vmap_get(struct heap_helper_buffer *buffer)
-{
-	void *vaddr;
-
-	if (buffer->vmap_cnt) {
-		buffer->vmap_cnt++;
-		return buffer->vaddr;
-	}
-	vaddr = dma_heap_map_kernel(buffer);
-	if (IS_ERR(vaddr))
-		return vaddr;
-	buffer->vaddr = vaddr;
-	buffer->vmap_cnt++;
-	return vaddr;
-}
-
-static void dma_heap_buffer_vmap_put(struct heap_helper_buffer *buffer)
-{
-	if (!--buffer->vmap_cnt) {
-		vunmap(buffer->vaddr);
-		buffer->vaddr = NULL;
-	}
-}
-
-struct dma_heaps_attachment {
-	struct device *dev;
-	struct sg_table table;
-	struct list_head list;
-};
-
-static int dma_heap_attach(struct dma_buf *dmabuf,
-			   struct dma_buf_attachment *attachment)
-{
-	struct dma_heaps_attachment *a;
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-	int ret;
-
-	a = kzalloc(sizeof(*a), GFP_KERNEL);
-	if (!a)
-		return -ENOMEM;
-
-	ret = sg_alloc_table_from_pages(&a->table, buffer->pages,
-					buffer->pagecount, 0,
-					buffer->pagecount << PAGE_SHIFT,
-					GFP_KERNEL);
-	if (ret) {
-		kfree(a);
-		return ret;
-	}
-
-	a->dev = attachment->dev;
-	INIT_LIST_HEAD(&a->list);
-
-	attachment->priv = a;
-
-	mutex_lock(&buffer->lock);
-	list_add(&a->list, &buffer->attachments);
-	mutex_unlock(&buffer->lock);
-
-	return 0;
-}
-
-static void dma_heap_detach(struct dma_buf *dmabuf,
-			    struct dma_buf_attachment *attachment)
-{
-	struct dma_heaps_attachment *a = attachment->priv;
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-
-	mutex_lock(&buffer->lock);
-	list_del(&a->list);
-	mutex_unlock(&buffer->lock);
-
-	sg_free_table(&a->table);
-	kfree(a);
-}
-
-static
-struct sg_table *dma_heap_map_dma_buf(struct dma_buf_attachment *attachment,
-				      enum dma_data_direction direction)
-{
-	struct dma_heaps_attachment *a = attachment->priv;
-	struct sg_table *table = &a->table;
-	int ret;
-
-	ret = dma_map_sgtable(attachment->dev, table, direction, 0);
-	if (ret)
-		table = ERR_PTR(ret);
-	return table;
-}
-
-static void dma_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
-				   struct sg_table *table,
-				   enum dma_data_direction direction)
-{
-	dma_unmap_sgtable(attachment->dev, table, direction, 0);
-}
-
-static vm_fault_t dma_heap_vm_fault(struct vm_fault *vmf)
-{
-	struct vm_area_struct *vma = vmf->vma;
-	struct heap_helper_buffer *buffer = vma->vm_private_data;
-
-	if (vmf->pgoff > buffer->pagecount)
-		return VM_FAULT_SIGBUS;
-
-	vmf->page = buffer->pages[vmf->pgoff];
-	get_page(vmf->page);
-
-	return 0;
-}
-
-static const struct vm_operations_struct dma_heap_vm_ops = {
-	.fault = dma_heap_vm_fault,
-};
-
-static int dma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
-{
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-
-	if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0)
-		return -EINVAL;
-
-	vma->vm_ops = &dma_heap_vm_ops;
-	vma->vm_private_data = buffer;
-
-	return 0;
-}
-
-static void dma_heap_dma_buf_release(struct dma_buf *dmabuf)
-{
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-
-	dma_heap_buffer_destroy(buffer);
-}
-
-static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
-					     enum dma_data_direction direction)
-{
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-	struct dma_heaps_attachment *a;
-	int ret = 0;
-
-	mutex_lock(&buffer->lock);
-
-	if (buffer->vmap_cnt)
-		invalidate_kernel_vmap_range(buffer->vaddr, buffer->size);
-
-	list_for_each_entry(a, &buffer->attachments, list) {
-		dma_sync_sg_for_cpu(a->dev, a->table.sgl, a->table.nents,
-				    direction);
-	}
-	mutex_unlock(&buffer->lock);
-
-	return ret;
-}
-
-static int dma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
-					   enum dma_data_direction direction)
-{
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-	struct dma_heaps_attachment *a;
-
-	mutex_lock(&buffer->lock);
-
-	if (buffer->vmap_cnt)
-		flush_kernel_vmap_range(buffer->vaddr, buffer->size);
-
-	list_for_each_entry(a, &buffer->attachments, list) {
-		dma_sync_sg_for_device(a->dev, a->table.sgl, a->table.nents,
-				       direction);
-	}
-	mutex_unlock(&buffer->lock);
-
-	return 0;
-}
-
-static void *dma_heap_dma_buf_vmap(struct dma_buf *dmabuf)
-{
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-	void *vaddr;
-
-	mutex_lock(&buffer->lock);
-	vaddr = dma_heap_buffer_vmap_get(buffer);
-	mutex_unlock(&buffer->lock);
-
-	return vaddr;
-}
-
-static void dma_heap_dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
-{
-	struct heap_helper_buffer *buffer = dmabuf->priv;
-
-	mutex_lock(&buffer->lock);
-	dma_heap_buffer_vmap_put(buffer);
-	mutex_unlock(&buffer->lock);
-}
-
-const struct dma_buf_ops heap_helper_ops = {
-	.map_dma_buf = dma_heap_map_dma_buf,
-	.unmap_dma_buf = dma_heap_unmap_dma_buf,
-	.mmap = dma_heap_mmap,
-	.release = dma_heap_dma_buf_release,
-	.attach = dma_heap_attach,
-	.detach = dma_heap_detach,
-	.begin_cpu_access = dma_heap_dma_buf_begin_cpu_access,
-	.end_cpu_access = dma_heap_dma_buf_end_cpu_access,
-	.vmap = dma_heap_dma_buf_vmap,
-	.vunmap = dma_heap_dma_buf_vunmap,
-};
diff --git a/drivers/dma-buf/heaps/heap-helpers.h b/drivers/dma-buf/heaps/heap-helpers.h
deleted file mode 100644
index 805d2df..0000000
--- a/drivers/dma-buf/heaps/heap-helpers.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * DMABUF Heaps helper code
- *
- * Copyright (C) 2011 Google, Inc.
- * Copyright (C) 2019 Linaro Ltd.
- */
-
-#ifndef _HEAP_HELPERS_H
-#define _HEAP_HELPERS_H
-
-#include <linux/dma-heap.h>
-#include <linux/list.h>
-
-/**
- * struct heap_helper_buffer - helper buffer metadata
- * @heap:		back pointer to the heap the buffer came from
- * @dmabuf:		backing dma-buf for this buffer
- * @size:		size of the buffer
- * @priv_virt		pointer to heap specific private value
- * @lock		mutext to protect the data in this structure
- * @vmap_cnt		count of vmap references on the buffer
- * @vaddr		vmap'ed virtual address
- * @pagecount		number of pages in the buffer
- * @pages		list of page pointers
- * @attachments		list of device attachments
- *
- * @free		heap callback to free the buffer
- */
-struct heap_helper_buffer {
-	struct dma_heap *heap;
-	struct dma_buf *dmabuf;
-	size_t size;
-
-	void *priv_virt;
-	struct mutex lock;
-	int vmap_cnt;
-	void *vaddr;
-	pgoff_t pagecount;
-	struct page **pages;
-	struct list_head attachments;
-
-	void (*free)(struct heap_helper_buffer *buffer);
-};
-
-void init_heap_helper_buffer(struct heap_helper_buffer *buffer,
-			     void (*free)(struct heap_helper_buffer *));
-
-struct dma_buf *heap_helper_export_dmabuf(struct heap_helper_buffer *buffer,
-					  int fd_flags);
-
-extern const struct dma_buf_ops heap_helper_ops;
-#endif /* _HEAP_HELPERS_H */
diff --git a/drivers/dma-buf/heaps/page_pool.c b/drivers/dma-buf/heaps/page_pool.c
new file mode 100644
index 0000000..9d3ddb5
--- /dev/null
+++ b/drivers/dma-buf/heaps/page_pool.c
@@ -0,0 +1,267 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DMA BUF page pool system
+ *
+ * Copyright (C) 2020 Linaro Ltd.
+ *
+ * Based on the ION page pool code
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#include <linux/freezer.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/swap.h>
+#include <linux/sched/signal.h>
+#include "page_pool.h"
+
+struct dmabuf_page_pool_with_spinlock {
+	struct dmabuf_page_pool pool;
+	struct spinlock spinlock;
+};
+
+static LIST_HEAD(pool_list);
+static DEFINE_MUTEX(pool_list_lock);
+
+static inline
+struct page *dmabuf_page_pool_alloc_pages(struct dmabuf_page_pool *pool)
+{
+	if (fatal_signal_pending(current))
+		return NULL;
+	return alloc_pages(pool->gfp_mask, pool->order);
+}
+
+static inline void dmabuf_page_pool_free_pages(struct dmabuf_page_pool *pool,
+					       struct page *page)
+{
+	__free_pages(page, pool->order);
+}
+
+static void dmabuf_page_pool_add(struct dmabuf_page_pool *pool, struct page *page)
+{
+	int index;
+	struct dmabuf_page_pool_with_spinlock *container_pool =
+		container_of(pool, struct dmabuf_page_pool_with_spinlock, pool);
+
+	if (PageHighMem(page))
+		index = POOL_HIGHPAGE;
+	else
+		index = POOL_LOWPAGE;
+
+	spin_lock(&container_pool->spinlock);
+	list_add_tail(&page->lru, &pool->items[index]);
+	pool->count[index]++;
+	spin_unlock(&container_pool->spinlock);
+	mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
+			    1 << pool->order);
+}
+
+static struct page *dmabuf_page_pool_remove(struct dmabuf_page_pool *pool, int index)
+{
+	struct page *page;
+	struct dmabuf_page_pool_with_spinlock *container_pool =
+		container_of(pool, struct dmabuf_page_pool_with_spinlock, pool);
+
+	spin_lock(&container_pool->spinlock);
+	page = list_first_entry_or_null(&pool->items[index], struct page, lru);
+	if (page) {
+		pool->count[index]--;
+		list_del(&page->lru);
+		spin_unlock(&container_pool->spinlock);
+		mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
+				    -(1 << pool->order));
+		goto out;
+	}
+	spin_unlock(&container_pool->spinlock);
+
+out:
+	return page;
+}
+
+static struct page *dmabuf_page_pool_fetch(struct dmabuf_page_pool *pool)
+{
+	struct page *page = NULL;
+
+	page = dmabuf_page_pool_remove(pool, POOL_HIGHPAGE);
+	if (!page)
+		page = dmabuf_page_pool_remove(pool, POOL_LOWPAGE);
+
+	return page;
+}
+
+struct page *dmabuf_page_pool_alloc(struct dmabuf_page_pool *pool)
+{
+	struct page *page = NULL;
+
+	if (WARN_ON(!pool))
+		return NULL;
+
+	page = dmabuf_page_pool_fetch(pool);
+
+	if (!page)
+		page = dmabuf_page_pool_alloc_pages(pool);
+	return page;
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_alloc);
+
+void dmabuf_page_pool_free(struct dmabuf_page_pool *pool, struct page *page)
+{
+	if (WARN_ON(pool->order != compound_order(page)))
+		return;
+
+	dmabuf_page_pool_add(pool, page);
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_free);
+
+static int dmabuf_page_pool_total(struct dmabuf_page_pool *pool, bool high)
+{
+	int count = pool->count[POOL_LOWPAGE];
+
+	if (high)
+		count += pool->count[POOL_HIGHPAGE];
+
+	return count << pool->order;
+}
+
+struct dmabuf_page_pool *dmabuf_page_pool_create(gfp_t gfp_mask, unsigned int order)
+{
+	struct dmabuf_page_pool *pool;
+	struct dmabuf_page_pool_with_spinlock *container_pool =
+		kmalloc(sizeof(*container_pool), GFP_KERNEL);
+	int i;
+
+	if (!container_pool)
+		return NULL;
+
+	spin_lock_init(&container_pool->spinlock);
+	pool = &container_pool->pool;
+
+	for (i = 0; i < POOL_TYPE_SIZE; i++) {
+		pool->count[i] = 0;
+		INIT_LIST_HEAD(&pool->items[i]);
+	}
+	pool->gfp_mask = gfp_mask | __GFP_COMP;
+	pool->order = order;
+	mutex_init(&pool->mutex); /* No longer used! */
+
+	mutex_lock(&pool_list_lock);
+	list_add(&pool->list, &pool_list);
+	mutex_unlock(&pool_list_lock);
+
+	return pool;
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_create);
+
+void dmabuf_page_pool_destroy(struct dmabuf_page_pool *pool)
+{
+	struct page *page;
+	struct dmabuf_page_pool_with_spinlock *container_pool;
+	int i;
+
+	/* Remove us from the pool list */
+	mutex_lock(&pool_list_lock);
+	list_del(&pool->list);
+	mutex_unlock(&pool_list_lock);
+
+	/* Free any remaining pages in the pool */
+	for (i = 0; i < POOL_TYPE_SIZE; i++) {
+		while ((page = dmabuf_page_pool_remove(pool, i)))
+			dmabuf_page_pool_free_pages(pool, page);
+	}
+
+	container_pool = container_of(pool, struct dmabuf_page_pool_with_spinlock, pool);
+	kfree(container_pool);
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_destroy);
+
+static int dmabuf_page_pool_do_shrink(struct dmabuf_page_pool *pool, gfp_t gfp_mask,
+				      int nr_to_scan)
+{
+	int freed = 0;
+	bool high;
+
+	if (current_is_kswapd())
+		high = true;
+	else
+		high = !!(gfp_mask & __GFP_HIGHMEM);
+
+	if (nr_to_scan == 0)
+		return dmabuf_page_pool_total(pool, high);
+
+	while (freed < nr_to_scan) {
+		struct page *page;
+
+		/* Try to free low pages first */
+		page = dmabuf_page_pool_remove(pool, POOL_LOWPAGE);
+		if (!page)
+			page = dmabuf_page_pool_remove(pool, POOL_HIGHPAGE);
+
+		if (!page)
+			break;
+
+		dmabuf_page_pool_free_pages(pool, page);
+		freed += (1 << pool->order);
+	}
+
+	return freed;
+}
+
+static int dmabuf_page_pool_shrink(gfp_t gfp_mask, int nr_to_scan)
+{
+	struct dmabuf_page_pool *pool;
+	int nr_total = 0;
+	int nr_freed;
+	int only_scan = 0;
+
+	if (!nr_to_scan)
+		only_scan = 1;
+
+	mutex_lock(&pool_list_lock);
+	list_for_each_entry(pool, &pool_list, list) {
+		if (only_scan) {
+			nr_total += dmabuf_page_pool_do_shrink(pool,
+							       gfp_mask,
+							       nr_to_scan);
+		} else {
+			nr_freed = dmabuf_page_pool_do_shrink(pool,
+							      gfp_mask,
+							      nr_to_scan);
+			nr_to_scan -= nr_freed;
+			nr_total += nr_freed;
+			if (nr_to_scan <= 0)
+				break;
+		}
+	}
+	mutex_unlock(&pool_list_lock);
+
+	return nr_total;
+}
+
+static unsigned long dmabuf_page_pool_shrink_count(struct shrinker *shrinker,
+						   struct shrink_control *sc)
+{
+	return dmabuf_page_pool_shrink(sc->gfp_mask, 0);
+}
+
+static unsigned long dmabuf_page_pool_shrink_scan(struct shrinker *shrinker,
+						  struct shrink_control *sc)
+{
+	if (sc->nr_to_scan == 0)
+		return 0;
+	return dmabuf_page_pool_shrink(sc->gfp_mask, sc->nr_to_scan);
+}
+
+struct shrinker pool_shrinker = {
+	.count_objects = dmabuf_page_pool_shrink_count,
+	.scan_objects = dmabuf_page_pool_shrink_scan,
+	.seeks = DEFAULT_SEEKS,
+	.batch = 0,
+};
+
+static int dmabuf_page_pool_init_shrinker(void)
+{
+	return register_shrinker(&pool_shrinker);
+}
+module_init(dmabuf_page_pool_init_shrinker);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/dma-buf/heaps/page_pool.h b/drivers/dma-buf/heaps/page_pool.h
new file mode 100644
index 0000000..b578e18
--- /dev/null
+++ b/drivers/dma-buf/heaps/page_pool.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * DMA BUF PagePool implementation
+ * Based on earlier ION code by Google
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Copyright (C) 2020 Linaro Ltd.
+ */
+
+#ifndef _DMABUF_PAGE_POOL_H
+#define _DMABUF_PAGE_POOL_H
+
+#include <linux/device.h>
+#include <linux/kref.h>
+#include <linux/mm_types.h>
+#include <linux/mutex.h>
+#include <linux/shrinker.h>
+#include <linux/types.h>
+
+/* page types we track in the pool */
+enum {
+	POOL_LOWPAGE,      /* Clean lowmem pages */
+	POOL_HIGHPAGE,     /* Clean highmem pages */
+
+	POOL_TYPE_SIZE,
+};
+
+/**
+ * struct dmabuf_page_pool - pagepool struct
+ * @count[]:		array of number of pages of that type in the pool
+ * @items[]:		array of list of pages of the specific type
+ * @mutex:		lock protecting this struct and especially the count
+ *			item list
+ * @gfp_mask:		gfp_mask to use from alloc
+ * @order:		order of pages in the pool
+ * @list:		list node for list of pools
+ *
+ * Allows you to keep a pool of pre allocated pages to use
+ */
+struct dmabuf_page_pool {
+	int count[POOL_TYPE_SIZE];
+	struct list_head items[POOL_TYPE_SIZE];
+	struct mutex mutex; /* No longer used! */
+	gfp_t gfp_mask;
+	unsigned int order;
+	struct list_head list;
+};
+
+struct dmabuf_page_pool *dmabuf_page_pool_create(gfp_t gfp_mask,
+						 unsigned int order);
+void dmabuf_page_pool_destroy(struct dmabuf_page_pool *pool);
+struct page *dmabuf_page_pool_alloc(struct dmabuf_page_pool *pool);
+void dmabuf_page_pool_free(struct dmabuf_page_pool *pool, struct page *page);
+
+#endif /* _DMABUF_PAGE_POOL_H */
diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c
index 0bf688e..bbca2e19 100644
--- a/drivers/dma-buf/heaps/system_heap.c
+++ b/drivers/dma-buf/heaps/system_heap.c
@@ -3,7 +3,11 @@
  * DMABUF System heap exporter
  *
  * Copyright (C) 2011 Google, Inc.
- * Copyright (C) 2019 Linaro Ltd.
+ * Copyright (C) 2019, 2020 Linaro Ltd.
+ *
+ * Portions based off of Andrew Davis' SRAM heap:
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Andrew F. Davis <afd@ti.com>
  */
 
 #include <linux/dma-buf.h>
@@ -15,99 +19,547 @@
 #include <linux/module.h>
 #include <linux/scatterlist.h>
 #include <linux/slab.h>
-#include <linux/sched/signal.h>
-#include <asm/page.h>
+#include <linux/vmalloc.h>
 
-#include "heap-helpers.h"
+#include "page_pool.h"
+#include "deferred-free-helper.h"
 
-struct dma_heap *sys_heap;
+static struct dma_heap *sys_heap;
+static struct dma_heap *sys_uncached_heap;
 
-static void system_heap_free(struct heap_helper_buffer *buffer)
+struct system_heap_buffer {
+	struct dma_heap *heap;
+	struct list_head attachments;
+	struct mutex lock;
+	unsigned long len;
+	struct sg_table sg_table;
+	int vmap_cnt;
+	void *vaddr;
+	struct deferred_freelist_item deferred_free;
+
+	bool uncached;
+};
+
+struct dma_heap_attachment {
+	struct device *dev;
+	struct sg_table *table;
+	struct list_head list;
+	bool mapped;
+
+	bool uncached;
+};
+
+#define LOW_ORDER_GFP (GFP_HIGHUSER | __GFP_ZERO | __GFP_COMP)
+#define MID_ORDER_GFP (LOW_ORDER_GFP | __GFP_NOWARN)
+#define HIGH_ORDER_GFP  (((GFP_HIGHUSER | __GFP_ZERO | __GFP_NOWARN \
+				| __GFP_NORETRY) & ~__GFP_RECLAIM) \
+				| __GFP_COMP)
+static gfp_t order_flags[] = {HIGH_ORDER_GFP, MID_ORDER_GFP, LOW_ORDER_GFP};
+/*
+ * The selection of the orders used for allocation (1MB, 64K, 4K) is designed
+ * to match with the sizes often found in IOMMUs. Using order 4 pages instead
+ * of order 0 pages can significantly improve the performance of many IOMMUs
+ * by reducing TLB pressure and time spent updating page tables.
+ */
+static const unsigned int orders[] = {8, 4, 0};
+#define NUM_ORDERS ARRAY_SIZE(orders)
+struct dmabuf_page_pool *pools[NUM_ORDERS];
+
+static struct sg_table *dup_sg_table(struct sg_table *table)
 {
-	pgoff_t pg;
+	struct sg_table *new_table;
+	int ret, i;
+	struct scatterlist *sg, *new_sg;
 
-	for (pg = 0; pg < buffer->pagecount; pg++)
-		__free_page(buffer->pages[pg]);
-	kfree(buffer->pages);
+	new_table = kzalloc(sizeof(*new_table), GFP_KERNEL);
+	if (!new_table)
+		return ERR_PTR(-ENOMEM);
+
+	ret = sg_alloc_table(new_table, table->orig_nents, GFP_KERNEL);
+	if (ret) {
+		kfree(new_table);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	new_sg = new_table->sgl;
+	for_each_sgtable_sg(table, sg, i) {
+		sg_set_page(new_sg, sg_page(sg), sg->length, sg->offset);
+		new_sg = sg_next(new_sg);
+	}
+
+	return new_table;
+}
+
+static int system_heap_attach(struct dma_buf *dmabuf,
+			      struct dma_buf_attachment *attachment)
+{
+	struct system_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a;
+	struct sg_table *table;
+
+	a = kzalloc(sizeof(*a), GFP_KERNEL);
+	if (!a)
+		return -ENOMEM;
+
+	table = dup_sg_table(&buffer->sg_table);
+	if (IS_ERR(table)) {
+		kfree(a);
+		return -ENOMEM;
+	}
+
+	a->table = table;
+	a->dev = attachment->dev;
+	INIT_LIST_HEAD(&a->list);
+	a->mapped = false;
+	a->uncached = buffer->uncached;
+	attachment->priv = a;
+
+	mutex_lock(&buffer->lock);
+	list_add(&a->list, &buffer->attachments);
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static void system_heap_detach(struct dma_buf *dmabuf,
+			       struct dma_buf_attachment *attachment)
+{
+	struct system_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a = attachment->priv;
+
+	mutex_lock(&buffer->lock);
+	list_del(&a->list);
+	mutex_unlock(&buffer->lock);
+
+	sg_free_table(a->table);
+	kfree(a->table);
+	kfree(a);
+}
+
+static struct sg_table *system_heap_map_dma_buf(struct dma_buf_attachment *attachment,
+						enum dma_data_direction direction)
+{
+	struct dma_heap_attachment *a = attachment->priv;
+	struct sg_table *table = a->table;
+	int attr = attachment->dma_map_attrs;
+	int ret;
+
+	if (a->uncached)
+		attr |= DMA_ATTR_SKIP_CPU_SYNC;
+
+	ret = dma_map_sgtable(attachment->dev, table, direction, attr);
+	if (ret)
+		return ERR_PTR(ret);
+
+	a->mapped = true;
+	return table;
+}
+
+static void system_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
+				      struct sg_table *table,
+				      enum dma_data_direction direction)
+{
+	struct dma_heap_attachment *a = attachment->priv;
+	int attr = attachment->dma_map_attrs;
+
+	if (a->uncached)
+		attr |= DMA_ATTR_SKIP_CPU_SYNC;
+	a->mapped = false;
+	dma_unmap_sgtable(attachment->dev, table, direction, attr);
+}
+
+static int system_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
+						enum dma_data_direction direction)
+{
+	struct system_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a;
+
+	mutex_lock(&buffer->lock);
+
+	if (buffer->vmap_cnt)
+		invalidate_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+	if (!buffer->uncached) {
+		list_for_each_entry(a, &buffer->attachments, list) {
+			if (!a->mapped)
+				continue;
+			dma_sync_sgtable_for_cpu(a->dev, a->table, direction);
+		}
+	}
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static int system_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
+					      enum dma_data_direction direction)
+{
+	struct system_heap_buffer *buffer = dmabuf->priv;
+	struct dma_heap_attachment *a;
+
+	mutex_lock(&buffer->lock);
+
+	if (buffer->vmap_cnt)
+		flush_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+	if (!buffer->uncached) {
+		list_for_each_entry(a, &buffer->attachments, list) {
+			if (!a->mapped)
+				continue;
+			dma_sync_sgtable_for_device(a->dev, a->table, direction);
+		}
+	}
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static int system_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
+{
+	struct system_heap_buffer *buffer = dmabuf->priv;
+	struct sg_table *table = &buffer->sg_table;
+	unsigned long addr = vma->vm_start;
+	struct sg_page_iter piter;
+	int ret;
+
+	if (buffer->uncached)
+		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+
+	for_each_sgtable_page(table, &piter, vma->vm_pgoff) {
+		struct page *page = sg_page_iter_page(&piter);
+
+		ret = remap_pfn_range(vma, addr, page_to_pfn(page), PAGE_SIZE,
+				      vma->vm_page_prot);
+		if (ret)
+			return ret;
+		addr += PAGE_SIZE;
+		if (addr >= vma->vm_end)
+			return 0;
+	}
+	return 0;
+}
+
+static void *system_heap_do_vmap(struct system_heap_buffer *buffer)
+{
+	struct sg_table *table = &buffer->sg_table;
+	int npages = PAGE_ALIGN(buffer->len) / PAGE_SIZE;
+	struct page **pages = vmalloc(sizeof(struct page *) * npages);
+	struct page **tmp = pages;
+	struct sg_page_iter piter;
+	pgprot_t pgprot = PAGE_KERNEL;
+	void *vaddr;
+
+	if (!pages)
+		return ERR_PTR(-ENOMEM);
+
+	if (buffer->uncached)
+		pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+	for_each_sgtable_page(table, &piter, 0) {
+		WARN_ON(tmp - pages >= npages);
+		*tmp++ = sg_page_iter_page(&piter);
+	}
+
+	vaddr = vmap(pages, npages, VM_MAP, pgprot);
+	vfree(pages);
+
+	if (!vaddr)
+		return ERR_PTR(-ENOMEM);
+
+	return vaddr;
+}
+
+static void *system_heap_vmap(struct dma_buf *dmabuf)
+{
+	struct system_heap_buffer *buffer = dmabuf->priv;
+	void *vaddr;
+
+	mutex_lock(&buffer->lock);
+	if (buffer->vmap_cnt) {
+		buffer->vmap_cnt++;
+		vaddr = buffer->vaddr;
+		goto out;
+	}
+
+	vaddr = system_heap_do_vmap(buffer);
+	if (IS_ERR(vaddr))
+		goto out;
+
+	buffer->vaddr = vaddr;
+	buffer->vmap_cnt++;
+out:
+	mutex_unlock(&buffer->lock);
+
+	return vaddr;
+}
+
+static void system_heap_vunmap(struct dma_buf *dmabuf, void *vaddr)
+{
+	struct system_heap_buffer *buffer = dmabuf->priv;
+
+	mutex_lock(&buffer->lock);
+	if (!--buffer->vmap_cnt) {
+		vunmap(buffer->vaddr);
+		buffer->vaddr = NULL;
+	}
+	mutex_unlock(&buffer->lock);
+}
+
+static int system_heap_zero_buffer(struct system_heap_buffer *buffer)
+{
+	struct sg_table *sgt = &buffer->sg_table;
+	struct sg_page_iter piter;
+	struct page *p;
+	void *vaddr;
+	int ret = 0;
+
+	for_each_sgtable_page(sgt, &piter, 0) {
+		p = sg_page_iter_page(&piter);
+		vaddr = kmap_atomic(p);
+		memset(vaddr, 0, PAGE_SIZE);
+		kunmap_atomic(vaddr);
+	}
+
+	return ret;
+}
+
+static void system_heap_buf_free(struct deferred_freelist_item *item,
+				 enum df_reason reason)
+{
+	struct system_heap_buffer *buffer;
+	struct sg_table *table;
+	struct scatterlist *sg;
+	int i, j;
+
+	buffer = container_of(item, struct system_heap_buffer, deferred_free);
+	/* Zero the buffer pages before adding back to the pool */
+	if (reason == DF_NORMAL)
+		if (system_heap_zero_buffer(buffer))
+			reason = DF_UNDER_PRESSURE; // On failure, just free
+
+	table = &buffer->sg_table;
+	for_each_sgtable_sg(table, sg, i) {
+		struct page *page = sg_page(sg);
+
+		if (reason == DF_UNDER_PRESSURE) {
+			__free_pages(page, compound_order(page));
+		} else {
+			for (j = 0; j < NUM_ORDERS; j++) {
+				if (compound_order(page) == orders[j])
+					break;
+			}
+			dmabuf_page_pool_free(pools[j], page);
+		}
+	}
+	sg_free_table(table);
 	kfree(buffer);
 }
 
-static int system_heap_allocate(struct dma_heap *heap,
-				unsigned long len,
-				unsigned long fd_flags,
-				unsigned long heap_flags)
+static void system_heap_dma_buf_release(struct dma_buf *dmabuf)
 {
-	struct heap_helper_buffer *helper_buffer;
-	struct dma_buf *dmabuf;
-	int ret = -ENOMEM;
-	pgoff_t pg;
+	struct system_heap_buffer *buffer = dmabuf->priv;
+	int npages = PAGE_ALIGN(buffer->len) / PAGE_SIZE;
 
-	helper_buffer = kzalloc(sizeof(*helper_buffer), GFP_KERNEL);
-	if (!helper_buffer)
-		return -ENOMEM;
+	deferred_free(&buffer->deferred_free, system_heap_buf_free, npages);
+}
 
-	init_heap_helper_buffer(helper_buffer, system_heap_free);
-	helper_buffer->heap = heap;
-	helper_buffer->size = len;
+static const struct dma_buf_ops system_heap_buf_ops = {
+	.attach = system_heap_attach,
+	.detach = system_heap_detach,
+	.map_dma_buf = system_heap_map_dma_buf,
+	.unmap_dma_buf = system_heap_unmap_dma_buf,
+	.begin_cpu_access = system_heap_dma_buf_begin_cpu_access,
+	.end_cpu_access = system_heap_dma_buf_end_cpu_access,
+	.mmap = system_heap_mmap,
+	.vmap = system_heap_vmap,
+	.vunmap = system_heap_vunmap,
+	.release = system_heap_dma_buf_release,
+};
 
-	helper_buffer->pagecount = len / PAGE_SIZE;
-	helper_buffer->pages = kmalloc_array(helper_buffer->pagecount,
-					     sizeof(*helper_buffer->pages),
-					     GFP_KERNEL);
-	if (!helper_buffer->pages) {
-		ret = -ENOMEM;
-		goto err0;
+static struct page *alloc_largest_available(unsigned long size,
+					    unsigned int max_order)
+{
+	struct page *page;
+	int i;
+
+	for (i = 0; i < NUM_ORDERS; i++) {
+		if (size <  (PAGE_SIZE << orders[i]))
+			continue;
+		if (max_order < orders[i])
+			continue;
+		page = dmabuf_page_pool_alloc(pools[i]);
+		if (!page)
+			continue;
+		return page;
 	}
+	return NULL;
+}
 
-	for (pg = 0; pg < helper_buffer->pagecount; pg++) {
+static struct dma_buf *system_heap_do_allocate(struct dma_heap *heap,
+					       unsigned long len,
+					       unsigned long fd_flags,
+					       unsigned long heap_flags,
+					       bool uncached)
+{
+	struct system_heap_buffer *buffer;
+	DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+	unsigned long size_remaining = len;
+	unsigned int max_order = orders[0];
+	struct dma_buf *dmabuf;
+	struct sg_table *table;
+	struct scatterlist *sg;
+	struct list_head pages;
+	struct page *page, *tmp_page;
+	int i, ret = -ENOMEM;
+
+	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+	if (!buffer)
+		return ERR_PTR(-ENOMEM);
+
+	INIT_LIST_HEAD(&buffer->attachments);
+	mutex_init(&buffer->lock);
+	buffer->heap = heap;
+	buffer->len = len;
+	buffer->uncached = uncached;
+
+	INIT_LIST_HEAD(&pages);
+	i = 0;
+	while (size_remaining > 0) {
 		/*
 		 * Avoid trying to allocate memory if the process
-		 * has been killed by by SIGKILL
+		 * has been killed by SIGKILL
 		 */
 		if (fatal_signal_pending(current))
-			goto err1;
+			goto free_buffer;
 
-		helper_buffer->pages[pg] = alloc_page(GFP_KERNEL | __GFP_ZERO);
-		if (!helper_buffer->pages[pg])
-			goto err1;
+		page = alloc_largest_available(size_remaining, max_order);
+		if (!page)
+			goto free_buffer;
+
+		list_add_tail(&page->lru, &pages);
+		size_remaining -= page_size(page);
+		max_order = compound_order(page);
+		i++;
+	}
+
+	table = &buffer->sg_table;
+	if (sg_alloc_table(table, i, GFP_KERNEL))
+		goto free_buffer;
+
+	sg = table->sgl;
+	list_for_each_entry_safe(page, tmp_page, &pages, lru) {
+		sg_set_page(sg, page, page_size(page), 0);
+		sg = sg_next(sg);
+		list_del(&page->lru);
 	}
 
 	/* create the dmabuf */
-	dmabuf = heap_helper_export_dmabuf(helper_buffer, fd_flags);
+	exp_info.exp_name = dma_heap_get_name(heap);
+	exp_info.ops = &system_heap_buf_ops;
+	exp_info.size = buffer->len;
+	exp_info.flags = fd_flags;
+	exp_info.priv = buffer;
+	dmabuf = dma_buf_export(&exp_info);
 	if (IS_ERR(dmabuf)) {
 		ret = PTR_ERR(dmabuf);
-		goto err1;
+		goto free_pages;
 	}
 
-	helper_buffer->dmabuf = dmabuf;
-
-	ret = dma_buf_fd(dmabuf, fd_flags);
-	if (ret < 0) {
-		dma_buf_put(dmabuf);
-		/* just return, as put will call release and that will free */
-		return ret;
+	/*
+	 * For uncached buffers, we need to initially flush cpu cache, since
+	 * the __GFP_ZERO on the allocation means the zeroing was done by the
+	 * cpu and thus it is likely cached. Map (and implicitly flush) and
+	 * unmap it now so we don't get corruption later on.
+	 */
+	if (buffer->uncached) {
+		dma_map_sgtable(dma_heap_get_dev(heap), table, DMA_BIDIRECTIONAL, 0);
+		dma_unmap_sgtable(dma_heap_get_dev(heap), table, DMA_BIDIRECTIONAL, 0);
 	}
 
-	return ret;
+	return dmabuf;
 
-err1:
-	while (pg > 0)
-		__free_page(helper_buffer->pages[--pg]);
-	kfree(helper_buffer->pages);
-err0:
-	kfree(helper_buffer);
+free_pages:
+	for_each_sgtable_sg(table, sg, i) {
+		struct page *p = sg_page(sg);
 
-	return ret;
+		__free_pages(p, compound_order(p));
+	}
+	sg_free_table(table);
+free_buffer:
+	list_for_each_entry_safe(page, tmp_page, &pages, lru)
+		__free_pages(page, compound_order(page));
+	kfree(buffer);
+
+	return ERR_PTR(ret);
+}
+
+static struct dma_buf *system_heap_allocate(struct dma_heap *heap,
+					    unsigned long len,
+					    unsigned long fd_flags,
+					    unsigned long heap_flags)
+{
+	return system_heap_do_allocate(heap, len, fd_flags, heap_flags, false);
+}
+
+static long system_get_pool_size(struct dma_heap *heap)
+{
+	int i;
+	long num_pages = 0;
+	struct dmabuf_page_pool **pool;
+
+	pool = pools;
+	for (i = 0; i < NUM_ORDERS; i++, pool++) {
+		num_pages += ((*pool)->count[POOL_LOWPAGE] +
+			      (*pool)->count[POOL_HIGHPAGE]) << (*pool)->order;
+	}
+
+	return num_pages << PAGE_SHIFT;
 }
 
 static const struct dma_heap_ops system_heap_ops = {
 	.allocate = system_heap_allocate,
+	.get_pool_size = system_get_pool_size,
+};
+
+static struct dma_buf *system_uncached_heap_allocate(struct dma_heap *heap,
+						     unsigned long len,
+						     unsigned long fd_flags,
+						     unsigned long heap_flags)
+{
+	return system_heap_do_allocate(heap, len, fd_flags, heap_flags, true);
+}
+
+/* Dummy function to be used until we can call coerce_mask_and_coherent */
+static struct dma_buf *system_uncached_heap_not_initialized(struct dma_heap *heap,
+							    unsigned long len,
+							    unsigned long fd_flags,
+							    unsigned long heap_flags)
+{
+	return ERR_PTR(-EBUSY);
+}
+
+static struct dma_heap_ops system_uncached_heap_ops = {
+	/* After system_heap_create is complete, we will swap this */
+	.allocate = system_uncached_heap_not_initialized,
 };
 
 static int system_heap_create(void)
 {
 	struct dma_heap_export_info exp_info;
-	int ret = 0;
+	int i;
+
+	for (i = 0; i < NUM_ORDERS; i++) {
+		pools[i] = dmabuf_page_pool_create(order_flags[i], orders[i]);
+
+		if (!pools[i]) {
+			int j;
+
+			pr_err("%s: page pool creation failed!\n", __func__);
+			for (j = 0; j < i; j++)
+				dmabuf_page_pool_destroy(pools[j]);
+			return -ENOMEM;
+		}
+	}
 
 	exp_info.name = "system";
 	exp_info.ops = &system_heap_ops;
@@ -115,9 +567,21 @@
 
 	sys_heap = dma_heap_add(&exp_info);
 	if (IS_ERR(sys_heap))
-		ret = PTR_ERR(sys_heap);
+		return PTR_ERR(sys_heap);
 
-	return ret;
+	exp_info.name = "system-uncached";
+	exp_info.ops = &system_uncached_heap_ops;
+	exp_info.priv = NULL;
+
+	sys_uncached_heap = dma_heap_add(&exp_info);
+	if (IS_ERR(sys_uncached_heap))
+		return PTR_ERR(sys_uncached_heap);
+
+	dma_coerce_mask_and_coherent(dma_heap_get_dev(sys_uncached_heap), DMA_BIT_MASK(64));
+	mb(); /* make sure we only set allocate after dma_mask is set */
+	system_uncached_heap_ops.allocate = system_uncached_heap_allocate;
+
+	return 0;
 }
 module_init(system_heap_create);
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index fa08dec..998580e 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -494,7 +494,7 @@
  *
  * Returns 0 if success or error number if fail.
  */
-int extcon_get_state(struct extcon_dev *edev, const unsigned int id)
+int extcon_get_state(struct extcon_dev *edev, unsigned int id)
 {
 	int index, state;
 	unsigned long flags;
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 807c532..b53b3e4 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -236,7 +236,7 @@
 	  Say Y here if you want Intel RSU support.
 
 config QCOM_SCM
-	bool
+	tristate "Qcom SCM driver"
 	depends on ARM || ARM64
 	depends on HAVE_ARM_SMCCC
 	select RESET_CONTROLLER
@@ -297,6 +297,7 @@
 	  other manufacturing data and also utilize the Entropy Bit Generator
 	  for hardware random number generation.
 
+source "drivers/firmware/arm_ffa/Kconfig"
 source "drivers/firmware/broadcom/Kconfig"
 source "drivers/firmware/google/Kconfig"
 source "drivers/firmware/efi/Kconfig"
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 5e013b6..3c2af2e 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -17,11 +17,13 @@
 obj-$(CONFIG_FIRMWARE_MEMMAP)	+= memmap.o
 obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o
 obj-$(CONFIG_FW_CFG_SYSFS)	+= qemu_fw_cfg.o
-obj-$(CONFIG_QCOM_SCM)		+= qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o
+obj-$(CONFIG_QCOM_SCM)		+= qcom-scm.o
+qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o
 obj-$(CONFIG_TI_SCI_PROTOCOL)	+= ti_sci.o
 obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o
 obj-$(CONFIG_TURRIS_MOX_RWTM)	+= turris-mox-rwtm.o
 
+obj-y				+= arm_ffa/
 obj-y				+= arm_scmi/
 obj-y				+= broadcom/
 obj-y				+= meson/
diff --git a/drivers/firmware/arm_ffa/Kconfig b/drivers/firmware/arm_ffa/Kconfig
new file mode 100644
index 0000000..5e3ae5c
--- /dev/null
+++ b/drivers/firmware/arm_ffa/Kconfig
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config ARM_FFA_TRANSPORT
+	tristate "Arm Firmware Framework for Armv8-A"
+	depends on OF
+	depends on ARM64
+	default n
+	help
+	  This Firmware Framework(FF) for Arm A-profile processors describes
+	  interfaces that standardize communication between the various
+	  software images which includes communication between images in
+	  the Secure world and Normal world. It also leverages the
+	  virtualization extension to isolate software images provided
+	  by an ecosystem of vendors from each other.
+
+	  This driver provides interface for all the client drivers making
+	  use of the features offered by ARM FF-A.
+
+config ARM_FFA_SMCCC
+	bool
+	default ARM_FFA_TRANSPORT
+	depends on ARM64 && HAVE_ARM_SMCCC_DISCOVERY
diff --git a/drivers/firmware/arm_ffa/Makefile b/drivers/firmware/arm_ffa/Makefile
new file mode 100644
index 0000000..9d9f375
--- /dev/null
+++ b/drivers/firmware/arm_ffa/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+ffa-bus-y = bus.o
+ffa-driver-y = driver.o
+ffa-transport-$(CONFIG_ARM_FFA_SMCCC) += smccc.o
+ffa-module-objs := $(ffa-bus-y) $(ffa-driver-y) $(ffa-transport-y)
+obj-$(CONFIG_ARM_FFA_TRANSPORT) = ffa-module.o
diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c
new file mode 100644
index 0000000..eebe8e2
--- /dev/null
+++ b/drivers/firmware/arm_ffa/bus.c
@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021 ARM Ltd.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/arm_ffa.h>
+#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include "common.h"
+
+static DEFINE_IDA(ffa_bus_id);
+
+static int ffa_device_match(struct device *dev, struct device_driver *drv)
+{
+	const struct ffa_device_id *id_table;
+	struct ffa_device *ffa_dev;
+
+	id_table = to_ffa_driver(drv)->id_table;
+	ffa_dev = to_ffa_dev(dev);
+
+	while (!uuid_is_null(&id_table->uuid)) {
+		/*
+		 * FF-A v1.0 doesn't provide discovery of UUIDs, just the
+		 * partition IDs, so fetch the partitions IDs for this
+		 * id_table UUID and assign the UUID to the device if the
+		 * partition ID matches
+		 */
+		if (uuid_is_null(&ffa_dev->uuid))
+			ffa_device_match_uuid(ffa_dev, &id_table->uuid);
+
+		if (uuid_equal(&ffa_dev->uuid, &id_table->uuid))
+			return 1;
+		id_table++;
+	}
+
+	return 0;
+}
+
+static int ffa_device_probe(struct device *dev)
+{
+	struct ffa_driver *ffa_drv = to_ffa_driver(dev->driver);
+	struct ffa_device *ffa_dev = to_ffa_dev(dev);
+
+	return ffa_drv->probe(ffa_dev);
+}
+
+static int ffa_device_remove(struct device *dev)
+{
+	struct ffa_driver *ffa_drv = to_ffa_driver(dev->driver);
+
+	if (ffa_drv->remove)
+		ffa_drv->remove(to_ffa_dev(dev));
+
+	return 0;
+}
+
+static int ffa_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+	struct ffa_device *ffa_dev = to_ffa_dev(dev);
+
+	return add_uevent_var(env, "MODALIAS=arm_ffa:%04x:%pUb",
+			      ffa_dev->vm_id, &ffa_dev->uuid);
+}
+
+static ssize_t partition_id_show(struct device *dev,
+				 struct device_attribute *attr, char *buf)
+{
+	struct ffa_device *ffa_dev = to_ffa_dev(dev);
+
+	return sprintf(buf, "0x%04x\n", ffa_dev->vm_id);
+}
+static DEVICE_ATTR_RO(partition_id);
+
+static ssize_t uuid_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct ffa_device *ffa_dev = to_ffa_dev(dev);
+
+	return sprintf(buf, "%pUb\n", &ffa_dev->uuid);
+}
+static DEVICE_ATTR_RO(uuid);
+
+static struct attribute *ffa_device_attributes_attrs[] = {
+	&dev_attr_partition_id.attr,
+	&dev_attr_uuid.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(ffa_device_attributes);
+
+struct bus_type ffa_bus_type = {
+	.name		= "arm_ffa",
+	.match		= ffa_device_match,
+	.probe		= ffa_device_probe,
+	.remove		= ffa_device_remove,
+	.uevent		= ffa_device_uevent,
+	.dev_groups	= ffa_device_attributes_groups,
+};
+EXPORT_SYMBOL_GPL(ffa_bus_type);
+
+int ffa_driver_register(struct ffa_driver *driver, struct module *owner,
+			const char *mod_name)
+{
+	int ret;
+
+	if (!driver->probe)
+		return -EINVAL;
+
+	driver->driver.bus = &ffa_bus_type;
+	driver->driver.name = driver->name;
+	driver->driver.owner = owner;
+	driver->driver.mod_name = mod_name;
+
+	ret = driver_register(&driver->driver);
+	if (!ret)
+		pr_debug("registered new ffa driver %s\n", driver->name);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(ffa_driver_register);
+
+void ffa_driver_unregister(struct ffa_driver *driver)
+{
+	driver_unregister(&driver->driver);
+}
+EXPORT_SYMBOL_GPL(ffa_driver_unregister);
+
+static void ffa_release_device(struct device *dev)
+{
+	struct ffa_device *ffa_dev = to_ffa_dev(dev);
+
+	ida_free(&ffa_bus_id, ffa_dev->id);
+	kfree(ffa_dev);
+}
+
+static int __ffa_devices_unregister(struct device *dev, void *data)
+{
+	device_unregister(dev);
+
+	return 0;
+}
+
+static void ffa_devices_unregister(void)
+{
+	bus_for_each_dev(&ffa_bus_type, NULL, NULL,
+			 __ffa_devices_unregister);
+}
+
+bool ffa_device_is_valid(struct ffa_device *ffa_dev)
+{
+	bool valid = false;
+	struct device *dev = NULL;
+	struct ffa_device *tmp_dev;
+
+	do {
+		dev = bus_find_next_device(&ffa_bus_type, dev);
+		tmp_dev = to_ffa_dev(dev);
+		if (tmp_dev == ffa_dev) {
+			valid = true;
+			break;
+		}
+		put_device(dev);
+	} while (dev);
+
+	put_device(dev);
+
+	return valid;
+}
+
+struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id)
+{
+	int id, ret;
+	struct device *dev;
+	struct ffa_device *ffa_dev;
+
+	id = ida_alloc_min(&ffa_bus_id, 1, GFP_KERNEL);
+	if (id < 0)
+		return NULL;
+
+	ffa_dev = kzalloc(sizeof(*ffa_dev), GFP_KERNEL);
+	if (!ffa_dev) {
+		ida_free(&ffa_bus_id, id);
+		return NULL;
+	}
+
+	dev = &ffa_dev->dev;
+	dev->bus = &ffa_bus_type;
+	dev->release = ffa_release_device;
+	dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id);
+
+	ffa_dev->vm_id = vm_id;
+	uuid_copy(&ffa_dev->uuid, uuid);
+
+	ret = device_register(&ffa_dev->dev);
+	if (ret) {
+		dev_err(dev, "unable to register device %s err=%d\n",
+			dev_name(dev), ret);
+		put_device(dev);
+		return NULL;
+	}
+
+	return ffa_dev;
+}
+EXPORT_SYMBOL_GPL(ffa_device_register);
+
+void ffa_device_unregister(struct ffa_device *ffa_dev)
+{
+	if (!ffa_dev)
+		return;
+
+	device_unregister(&ffa_dev->dev);
+}
+EXPORT_SYMBOL_GPL(ffa_device_unregister);
+
+int arm_ffa_bus_init(void)
+{
+	return bus_register(&ffa_bus_type);
+}
+
+void arm_ffa_bus_exit(void)
+{
+	ffa_devices_unregister();
+	bus_unregister(&ffa_bus_type);
+	ida_destroy(&ffa_bus_id);
+}
diff --git a/drivers/firmware/arm_ffa/common.h b/drivers/firmware/arm_ffa/common.h
new file mode 100644
index 0000000..d6eccf1
--- /dev/null
+++ b/drivers/firmware/arm_ffa/common.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 ARM Ltd.
+ */
+
+#ifndef _FFA_COMMON_H
+#define _FFA_COMMON_H
+
+#include <linux/arm_ffa.h>
+#include <linux/arm-smccc.h>
+#include <linux/err.h>
+
+typedef struct arm_smccc_1_2_regs ffa_value_t;
+
+typedef void (ffa_fn)(ffa_value_t, ffa_value_t *);
+
+int arm_ffa_bus_init(void);
+void arm_ffa_bus_exit(void);
+bool ffa_device_is_valid(struct ffa_device *ffa_dev);
+void ffa_device_match_uuid(struct ffa_device *ffa_dev, const uuid_t *uuid);
+
+#ifdef CONFIG_ARM_FFA_SMCCC
+int __init ffa_transport_init(ffa_fn **invoke_ffa_fn);
+#else
+static inline int __init ffa_transport_init(ffa_fn **invoke_ffa_fn)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+#endif /* _FFA_COMMON_H */
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
new file mode 100644
index 0000000..5657d40
--- /dev/null
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -0,0 +1,699 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Arm Firmware Framework for ARMv8-A(FFA) interface driver
+ *
+ * The Arm FFA specification[1] describes a software architecture to
+ * leverages the virtualization extension to isolate software images
+ * provided by an ecosystem of vendors from each other and describes
+ * interfaces that standardize communication between the various software
+ * images including communication between images in the Secure world and
+ * Normal world. Any Hypervisor could use the FFA interfaces to enable
+ * communication between VMs it manages.
+ *
+ * The Hypervisor a.k.a Partition managers in FFA terminology can assign
+ * system resources(Memory regions, Devices, CPU cycles) to the partitions
+ * and manage isolation amongst them.
+ *
+ * [1] https://developer.arm.com/docs/den0077/latest
+ *
+ * Copyright (C) 2021 ARM Ltd.
+ */
+
+#define DRIVER_NAME "ARM FF-A"
+#define pr_fmt(fmt) DRIVER_NAME ": " fmt
+
+#include <linux/arm_ffa.h>
+#include <linux/bitfield.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+#include <linux/uuid.h>
+
+#include "common.h"
+
+#define FFA_DRIVER_VERSION	FFA_VERSION_1_0
+#define FFA_MIN_VERSION		FFA_VERSION_1_0
+
+#define SENDER_ID_MASK		GENMASK(31, 16)
+#define RECEIVER_ID_MASK	GENMASK(15, 0)
+#define SENDER_ID(x)		((u16)(FIELD_GET(SENDER_ID_MASK, (x))))
+#define RECEIVER_ID(x)		((u16)(FIELD_GET(RECEIVER_ID_MASK, (x))))
+#define PACK_TARGET_INFO(s, r)		\
+	(FIELD_PREP(SENDER_ID_MASK, (s)) | FIELD_PREP(RECEIVER_ID_MASK, (r)))
+
+/*
+ * Keeping RX TX buffer size as 4K for now
+ * 64K may be preferred to keep it min a page in 64K PAGE_SIZE config
+ */
+#define RXTX_BUFFER_SIZE	SZ_4K
+
+static ffa_fn *invoke_ffa_fn;
+
+static const int ffa_linux_errmap[] = {
+	/* better than switch case as long as return value is continuous */
+	0,		/* FFA_RET_SUCCESS */
+	-EOPNOTSUPP,	/* FFA_RET_NOT_SUPPORTED */
+	-EINVAL,	/* FFA_RET_INVALID_PARAMETERS */
+	-ENOMEM,	/* FFA_RET_NO_MEMORY */
+	-EBUSY,		/* FFA_RET_BUSY */
+	-EINTR,		/* FFA_RET_INTERRUPTED */
+	-EACCES,	/* FFA_RET_DENIED */
+	-EAGAIN,	/* FFA_RET_RETRY */
+	-ECANCELED,	/* FFA_RET_ABORTED */
+};
+
+static inline int ffa_to_linux_errno(int errno)
+{
+	int err_idx = -errno;
+
+	if (err_idx >= 0 && err_idx < ARRAY_SIZE(ffa_linux_errmap))
+		return ffa_linux_errmap[err_idx];
+	return -EINVAL;
+}
+
+struct ffa_drv_info {
+	u32 version;
+	u16 vm_id;
+	struct mutex rx_lock; /* lock to protect Rx buffer */
+	struct mutex tx_lock; /* lock to protect Tx buffer */
+	void *rx_buffer;
+	void *tx_buffer;
+};
+
+static struct ffa_drv_info *drv_info;
+
+/*
+ * The driver must be able to support all the versions from the earliest
+ * supported FFA_MIN_VERSION to the latest supported FFA_DRIVER_VERSION.
+ * The specification states that if firmware supports a FFA implementation
+ * that is incompatible with and at a greater version number than specified
+ * by the caller(FFA_DRIVER_VERSION passed as parameter to FFA_VERSION),
+ * it must return the NOT_SUPPORTED error code.
+ */
+static u32 ffa_compatible_version_find(u32 version)
+{
+	u16 major = FFA_MAJOR_VERSION(version), minor = FFA_MINOR_VERSION(version);
+	u16 drv_major = FFA_MAJOR_VERSION(FFA_DRIVER_VERSION);
+	u16 drv_minor = FFA_MINOR_VERSION(FFA_DRIVER_VERSION);
+
+	if ((major < drv_major) || (major == drv_major && minor <= drv_minor))
+		return version;
+
+	pr_info("Firmware version higher than driver version, downgrading\n");
+	return FFA_DRIVER_VERSION;
+}
+
+static int ffa_version_check(u32 *version)
+{
+	ffa_value_t ver;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_VERSION, .a1 = FFA_DRIVER_VERSION,
+		      }, &ver);
+
+	if (ver.a0 == FFA_RET_NOT_SUPPORTED) {
+		pr_info("FFA_VERSION returned not supported\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (ver.a0 < FFA_MIN_VERSION) {
+		pr_err("Incompatible v%d.%d! Earliest supported v%d.%d\n",
+		       FFA_MAJOR_VERSION(ver.a0), FFA_MINOR_VERSION(ver.a0),
+		       FFA_MAJOR_VERSION(FFA_MIN_VERSION),
+		       FFA_MINOR_VERSION(FFA_MIN_VERSION));
+		return -EINVAL;
+	}
+
+	pr_info("Driver version %d.%d\n", FFA_MAJOR_VERSION(FFA_DRIVER_VERSION),
+		FFA_MINOR_VERSION(FFA_DRIVER_VERSION));
+	pr_info("Firmware version %d.%d found\n", FFA_MAJOR_VERSION(ver.a0),
+		FFA_MINOR_VERSION(ver.a0));
+	*version = ffa_compatible_version_find(ver.a0);
+
+	return 0;
+}
+
+static int ffa_rx_release(void)
+{
+	ffa_value_t ret;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_RX_RELEASE,
+		      }, &ret);
+
+	if (ret.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)ret.a2);
+
+	/* check for ret.a0 == FFA_RX_RELEASE ? */
+
+	return 0;
+}
+
+static int ffa_rxtx_map(phys_addr_t tx_buf, phys_addr_t rx_buf, u32 pg_cnt)
+{
+	ffa_value_t ret;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_FN_NATIVE(RXTX_MAP),
+		      .a1 = tx_buf, .a2 = rx_buf, .a3 = pg_cnt,
+		      }, &ret);
+
+	if (ret.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)ret.a2);
+
+	return 0;
+}
+
+static int ffa_rxtx_unmap(u16 vm_id)
+{
+	ffa_value_t ret;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_RXTX_UNMAP, .a1 = PACK_TARGET_INFO(vm_id, 0),
+		      }, &ret);
+
+	if (ret.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)ret.a2);
+
+	return 0;
+}
+
+/* buffer must be sizeof(struct ffa_partition_info) * num_partitions */
+static int
+__ffa_partition_info_get(u32 uuid0, u32 uuid1, u32 uuid2, u32 uuid3,
+			 struct ffa_partition_info *buffer, int num_partitions)
+{
+	int count;
+	ffa_value_t partition_info;
+
+	mutex_lock(&drv_info->rx_lock);
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_PARTITION_INFO_GET,
+		      .a1 = uuid0, .a2 = uuid1, .a3 = uuid2, .a4 = uuid3,
+		      }, &partition_info);
+
+	if (partition_info.a0 == FFA_ERROR) {
+		mutex_unlock(&drv_info->rx_lock);
+		return ffa_to_linux_errno((int)partition_info.a2);
+	}
+
+	count = partition_info.a2;
+
+	if (buffer && count <= num_partitions)
+		memcpy(buffer, drv_info->rx_buffer, sizeof(*buffer) * count);
+
+	ffa_rx_release();
+
+	mutex_unlock(&drv_info->rx_lock);
+
+	return count;
+}
+
+/* buffer is allocated and caller must free the same if returned count > 0 */
+static int
+ffa_partition_probe(const uuid_t *uuid, struct ffa_partition_info **buffer)
+{
+	int count;
+	u32 uuid0_4[4];
+	struct ffa_partition_info *pbuf;
+
+	export_uuid((u8 *)uuid0_4, uuid);
+	count = __ffa_partition_info_get(uuid0_4[0], uuid0_4[1], uuid0_4[2],
+					 uuid0_4[3], NULL, 0);
+	if (count <= 0)
+		return count;
+
+	pbuf = kcalloc(count, sizeof(*pbuf), GFP_KERNEL);
+	if (!pbuf)
+		return -ENOMEM;
+
+	count = __ffa_partition_info_get(uuid0_4[0], uuid0_4[1], uuid0_4[2],
+					 uuid0_4[3], pbuf, count);
+	if (count <= 0)
+		kfree(pbuf);
+	else
+		*buffer = pbuf;
+
+	return count;
+}
+
+#define VM_ID_MASK	GENMASK(15, 0)
+static int ffa_id_get(u16 *vm_id)
+{
+	ffa_value_t id;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_ID_GET,
+		      }, &id);
+
+	if (id.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)id.a2);
+
+	*vm_id = FIELD_GET(VM_ID_MASK, (id.a2));
+
+	return 0;
+}
+
+static int ffa_msg_send_direct_req(u16 src_id, u16 dst_id, bool mode_32bit,
+				   struct ffa_send_direct_data *data)
+{
+	u32 req_id, resp_id, src_dst_ids = PACK_TARGET_INFO(src_id, dst_id);
+	ffa_value_t ret;
+
+	if (mode_32bit) {
+		req_id = FFA_MSG_SEND_DIRECT_REQ;
+		resp_id = FFA_MSG_SEND_DIRECT_RESP;
+	} else {
+		req_id = FFA_FN_NATIVE(MSG_SEND_DIRECT_REQ);
+		resp_id = FFA_FN_NATIVE(MSG_SEND_DIRECT_RESP);
+	}
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = req_id, .a1 = src_dst_ids, .a2 = 0,
+		      .a3 = data->data0, .a4 = data->data1, .a5 = data->data2,
+		      .a6 = data->data3, .a7 = data->data4,
+		      }, &ret);
+
+	while (ret.a0 == FFA_INTERRUPT)
+		invoke_ffa_fn((ffa_value_t){
+			      .a0 = FFA_RUN, .a1 = ret.a1,
+			      }, &ret);
+
+	if (ret.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)ret.a2);
+
+	if (ret.a0 == resp_id) {
+		data->data0 = ret.a3;
+		data->data1 = ret.a4;
+		data->data2 = ret.a5;
+		data->data3 = ret.a6;
+		data->data4 = ret.a7;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int ffa_mem_first_frag(u32 func_id, phys_addr_t buf, u32 buf_sz,
+			      u32 frag_len, u32 len, u64 *handle)
+{
+	ffa_value_t ret;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = func_id, .a1 = len, .a2 = frag_len,
+		      .a3 = buf, .a4 = buf_sz,
+		      }, &ret);
+
+	while (ret.a0 == FFA_MEM_OP_PAUSE)
+		invoke_ffa_fn((ffa_value_t){
+			      .a0 = FFA_MEM_OP_RESUME,
+			      .a1 = ret.a1, .a2 = ret.a2,
+			      }, &ret);
+
+	if (ret.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)ret.a2);
+
+	if (ret.a0 != FFA_SUCCESS)
+		return -EOPNOTSUPP;
+
+	if (handle)
+		*handle = PACK_HANDLE(ret.a2, ret.a3);
+
+	return frag_len;
+}
+
+static int ffa_mem_next_frag(u64 handle, u32 frag_len)
+{
+	ffa_value_t ret;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_MEM_FRAG_TX,
+		      .a1 = HANDLE_LOW(handle), .a2 = HANDLE_HIGH(handle),
+		      .a3 = frag_len,
+		      }, &ret);
+
+	while (ret.a0 == FFA_MEM_OP_PAUSE)
+		invoke_ffa_fn((ffa_value_t){
+			      .a0 = FFA_MEM_OP_RESUME,
+			      .a1 = ret.a1, .a2 = ret.a2,
+			      }, &ret);
+
+	if (ret.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)ret.a2);
+
+	if (ret.a0 != FFA_MEM_FRAG_RX)
+		return -EOPNOTSUPP;
+
+	return ret.a3;
+}
+
+static int
+ffa_transmit_fragment(u32 func_id, phys_addr_t buf, u32 buf_sz, u32 frag_len,
+		      u32 len, u64 *handle, bool first)
+{
+	if (!first)
+		return ffa_mem_next_frag(*handle, frag_len);
+
+	return ffa_mem_first_frag(func_id, buf, buf_sz, frag_len, len, handle);
+}
+
+static u32 ffa_get_num_pages_sg(struct scatterlist *sg)
+{
+	u32 num_pages = 0;
+
+	do {
+		num_pages += sg->length / FFA_PAGE_SIZE;
+	} while ((sg = sg_next(sg)));
+
+	return num_pages;
+}
+
+static int
+ffa_setup_and_transmit(u32 func_id, void *buffer, u32 max_fragsize,
+		       struct ffa_mem_ops_args *args)
+{
+	int rc = 0;
+	bool first = true;
+	phys_addr_t addr = 0;
+	struct ffa_composite_mem_region *composite;
+	struct ffa_mem_region_addr_range *constituents;
+	struct ffa_mem_region_attributes *ep_mem_access;
+	struct ffa_mem_region *mem_region = buffer;
+	u32 idx, frag_len, length, buf_sz = 0, num_entries = sg_nents(args->sg);
+
+	mem_region->tag = args->tag;
+	mem_region->flags = args->flags;
+	mem_region->sender_id = drv_info->vm_id;
+	mem_region->attributes = FFA_MEM_NORMAL | FFA_MEM_WRITE_BACK |
+				 FFA_MEM_INNER_SHAREABLE;
+	ep_mem_access = &mem_region->ep_mem_access[0];
+
+	for (idx = 0; idx < args->nattrs; idx++, ep_mem_access++) {
+		ep_mem_access->receiver = args->attrs[idx].receiver;
+		ep_mem_access->attrs = args->attrs[idx].attrs;
+		ep_mem_access->composite_off = COMPOSITE_OFFSET(args->nattrs);
+		ep_mem_access->flag = 0;
+		ep_mem_access->reserved = 0;
+	}
+	mem_region->reserved_0 = 0;
+	mem_region->reserved_1 = 0;
+	mem_region->ep_count = args->nattrs;
+
+	composite = buffer + COMPOSITE_OFFSET(args->nattrs);
+	composite->total_pg_cnt = ffa_get_num_pages_sg(args->sg);
+	composite->addr_range_cnt = num_entries;
+	composite->reserved = 0;
+
+	length = COMPOSITE_CONSTITUENTS_OFFSET(args->nattrs, num_entries);
+	frag_len = COMPOSITE_CONSTITUENTS_OFFSET(args->nattrs, 0);
+	if (frag_len > max_fragsize)
+		return -ENXIO;
+
+	if (!args->use_txbuf) {
+		addr = virt_to_phys(buffer);
+		buf_sz = max_fragsize / FFA_PAGE_SIZE;
+	}
+
+	constituents = buffer + frag_len;
+	idx = 0;
+	do {
+		if (frag_len == max_fragsize) {
+			rc = ffa_transmit_fragment(func_id, addr, buf_sz,
+						   frag_len, length,
+						   &args->g_handle, first);
+			if (rc < 0)
+				return -ENXIO;
+
+			first = false;
+			idx = 0;
+			frag_len = 0;
+			constituents = buffer;
+		}
+
+		if ((void *)constituents - buffer > max_fragsize) {
+			pr_err("Memory Region Fragment > Tx Buffer size\n");
+			return -EFAULT;
+		}
+
+		constituents->address = sg_phys(args->sg);
+		constituents->pg_cnt = args->sg->length / FFA_PAGE_SIZE;
+		constituents->reserved = 0;
+		constituents++;
+		frag_len += sizeof(struct ffa_mem_region_addr_range);
+	} while ((args->sg = sg_next(args->sg)));
+
+	return ffa_transmit_fragment(func_id, addr, buf_sz, frag_len,
+				     length, &args->g_handle, first);
+}
+
+static int ffa_memory_ops(u32 func_id, struct ffa_mem_ops_args *args)
+{
+	int ret;
+	void *buffer;
+
+	if (!args->use_txbuf) {
+		buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL);
+		if (!buffer)
+			return -ENOMEM;
+	} else {
+		buffer = drv_info->tx_buffer;
+		mutex_lock(&drv_info->tx_lock);
+	}
+
+	ret = ffa_setup_and_transmit(func_id, buffer, RXTX_BUFFER_SIZE, args);
+
+	if (args->use_txbuf)
+		mutex_unlock(&drv_info->tx_lock);
+	else
+		free_pages_exact(buffer, RXTX_BUFFER_SIZE);
+
+	return ret < 0 ? ret : 0;
+}
+
+static int ffa_memory_reclaim(u64 g_handle, u32 flags)
+{
+	ffa_value_t ret;
+
+	invoke_ffa_fn((ffa_value_t){
+		      .a0 = FFA_MEM_RECLAIM,
+		      .a1 = HANDLE_LOW(g_handle), .a2 = HANDLE_HIGH(g_handle),
+		      .a3 = flags,
+		      }, &ret);
+
+	if (ret.a0 == FFA_ERROR)
+		return ffa_to_linux_errno((int)ret.a2);
+
+	return 0;
+}
+
+static u32 ffa_api_version_get(void)
+{
+	return drv_info->version;
+}
+
+static int ffa_partition_info_get(const char *uuid_str,
+				  struct ffa_partition_info *buffer)
+{
+	int count;
+	uuid_t uuid;
+	struct ffa_partition_info *pbuf;
+
+	if (uuid_parse(uuid_str, &uuid)) {
+		pr_err("invalid uuid (%s)\n", uuid_str);
+		return -ENODEV;
+	}
+
+	count = ffa_partition_probe(&uuid, &pbuf);
+	if (count <= 0)
+		return -ENOENT;
+
+	memcpy(buffer, pbuf, sizeof(*pbuf) * count);
+	kfree(pbuf);
+	return 0;
+}
+
+static void ffa_mode_32bit_set(struct ffa_device *dev)
+{
+	dev->mode_32bit = true;
+}
+
+static int ffa_sync_send_receive(struct ffa_device *dev,
+				 struct ffa_send_direct_data *data)
+{
+	return ffa_msg_send_direct_req(drv_info->vm_id, dev->vm_id,
+				       dev->mode_32bit, data);
+}
+
+static int
+ffa_memory_share(struct ffa_device *dev, struct ffa_mem_ops_args *args)
+{
+	if (dev->mode_32bit)
+		return ffa_memory_ops(FFA_MEM_SHARE, args);
+
+	return ffa_memory_ops(FFA_FN_NATIVE(MEM_SHARE), args);
+}
+
+static int
+ffa_memory_lend(struct ffa_device *dev, struct ffa_mem_ops_args *args)
+{
+	/* Note that upon a successful MEM_LEND request the caller
+	 * must ensure that the memory region specified is not accessed
+	 * until a successful MEM_RECALIM call has been made.
+	 * On systems with a hypervisor present this will been enforced,
+	 * however on systems without a hypervisor the responsibility
+	 * falls to the calling kernel driver to prevent access.
+	 */
+	if (dev->mode_32bit)
+		return ffa_memory_ops(FFA_MEM_LEND, args);
+
+	return ffa_memory_ops(FFA_FN_NATIVE(MEM_LEND), args);
+}
+
+static const struct ffa_dev_ops ffa_ops = {
+	.api_version_get = ffa_api_version_get,
+	.partition_info_get = ffa_partition_info_get,
+	.mode_32bit_set = ffa_mode_32bit_set,
+	.sync_send_receive = ffa_sync_send_receive,
+	.memory_reclaim = ffa_memory_reclaim,
+	.memory_share = ffa_memory_share,
+	.memory_lend = ffa_memory_lend,
+};
+
+const struct ffa_dev_ops *ffa_dev_ops_get(struct ffa_device *dev)
+{
+	if (ffa_device_is_valid(dev))
+		return &ffa_ops;
+
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(ffa_dev_ops_get);
+
+void ffa_device_match_uuid(struct ffa_device *ffa_dev, const uuid_t *uuid)
+{
+	int count, idx;
+	struct ffa_partition_info *pbuf, *tpbuf;
+
+	count = ffa_partition_probe(uuid, &pbuf);
+	if (count <= 0)
+		return;
+
+	for (idx = 0, tpbuf = pbuf; idx < count; idx++, tpbuf++)
+		if (tpbuf->id == ffa_dev->vm_id)
+			uuid_copy(&ffa_dev->uuid, uuid);
+	kfree(pbuf);
+}
+
+static void ffa_setup_partitions(void)
+{
+	int count, idx;
+	struct ffa_device *ffa_dev;
+	struct ffa_partition_info *pbuf, *tpbuf;
+
+	count = ffa_partition_probe(&uuid_null, &pbuf);
+	if (count <= 0) {
+		pr_info("%s: No partitions found, error %d\n", __func__, count);
+		return;
+	}
+
+	for (idx = 0, tpbuf = pbuf; idx < count; idx++, tpbuf++) {
+		/* Note that the &uuid_null parameter will require
+		 * ffa_device_match() to find the UUID of this partition id
+		 * with help of ffa_device_match_uuid(). Once the FF-A spec
+		 * is updated to provide correct UUID here for each partition
+		 * as part of the discovery API, we need to pass the
+		 * discovered UUID here instead.
+		 */
+		ffa_dev = ffa_device_register(&uuid_null, tpbuf->id);
+		if (!ffa_dev) {
+			pr_err("%s: failed to register partition ID 0x%x\n",
+			       __func__, tpbuf->id);
+			continue;
+		}
+	}
+	kfree(pbuf);
+}
+
+static int __init ffa_init(void)
+{
+	int ret;
+
+	ret = ffa_transport_init(&invoke_ffa_fn);
+	if (ret)
+		return ret;
+
+	ret = arm_ffa_bus_init();
+	if (ret)
+		return ret;
+
+	drv_info = kzalloc(sizeof(*drv_info), GFP_KERNEL);
+	if (!drv_info) {
+		ret = -ENOMEM;
+		goto ffa_bus_exit;
+	}
+
+	ret = ffa_version_check(&drv_info->version);
+	if (ret)
+		goto free_drv_info;
+
+	if (ffa_id_get(&drv_info->vm_id)) {
+		pr_err("failed to obtain VM id for self\n");
+		ret = -ENODEV;
+		goto free_drv_info;
+	}
+
+	drv_info->rx_buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL);
+	if (!drv_info->rx_buffer) {
+		ret = -ENOMEM;
+		goto free_pages;
+	}
+
+	drv_info->tx_buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL);
+	if (!drv_info->tx_buffer) {
+		ret = -ENOMEM;
+		goto free_pages;
+	}
+
+	ret = ffa_rxtx_map(virt_to_phys(drv_info->tx_buffer),
+			   virt_to_phys(drv_info->rx_buffer),
+			   RXTX_BUFFER_SIZE / FFA_PAGE_SIZE);
+	if (ret) {
+		pr_err("failed to register FFA RxTx buffers\n");
+		goto free_pages;
+	}
+
+	mutex_init(&drv_info->rx_lock);
+	mutex_init(&drv_info->tx_lock);
+
+	ffa_setup_partitions();
+
+	return 0;
+free_pages:
+	if (drv_info->tx_buffer)
+		free_pages_exact(drv_info->tx_buffer, RXTX_BUFFER_SIZE);
+	free_pages_exact(drv_info->rx_buffer, RXTX_BUFFER_SIZE);
+free_drv_info:
+	kfree(drv_info);
+ffa_bus_exit:
+	arm_ffa_bus_exit();
+	return ret;
+}
+subsys_initcall(ffa_init);
+
+static void __exit ffa_exit(void)
+{
+	ffa_rxtx_unmap(drv_info->vm_id);
+	free_pages_exact(drv_info->tx_buffer, RXTX_BUFFER_SIZE);
+	free_pages_exact(drv_info->rx_buffer, RXTX_BUFFER_SIZE);
+	kfree(drv_info);
+	arm_ffa_bus_exit();
+}
+module_exit(ffa_exit);
+
+MODULE_ALIAS("arm-ffa");
+MODULE_AUTHOR("Sudeep Holla <sudeep.holla@arm.com>");
+MODULE_DESCRIPTION("Arm FF-A interface driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/firmware/arm_ffa/smccc.c b/drivers/firmware/arm_ffa/smccc.c
new file mode 100644
index 0000000..4d85bff
--- /dev/null
+++ b/drivers/firmware/arm_ffa/smccc.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 ARM Ltd.
+ */
+
+#include <linux/printk.h>
+
+#include "common.h"
+
+static void __arm_ffa_fn_smc(ffa_value_t args, ffa_value_t *res)
+{
+	arm_smccc_1_2_smc(&args, res);
+}
+
+static void __arm_ffa_fn_hvc(ffa_value_t args, ffa_value_t *res)
+{
+	arm_smccc_1_2_hvc(&args, res);
+}
+
+int __init ffa_transport_init(ffa_fn **invoke_ffa_fn)
+{
+	enum arm_smccc_conduit conduit;
+
+	if (arm_smccc_get_version() < ARM_SMCCC_VERSION_1_2)
+		return -EOPNOTSUPP;
+
+	conduit = arm_smccc_1_1_get_conduit();
+	if (conduit == SMCCC_CONDUIT_NONE) {
+		pr_err("%s: invalid SMCCC conduit\n", __func__);
+		return -EOPNOTSUPP;
+	}
+
+	if (conduit == SMCCC_CONDUIT_SMC)
+		*invoke_ffa_fn = __arm_ffa_fn_smc;
+	else
+		*invoke_ffa_fn = __arm_ffa_fn_hvc;
+
+	return 0;
+}
diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile
index bc0d54f..6a2ef63 100644
--- a/drivers/firmware/arm_scmi/Makefile
+++ b/drivers/firmware/arm_scmi/Makefile
@@ -4,7 +4,7 @@
 scmi-transport-y = shmem.o
 scmi-transport-$(CONFIG_MAILBOX) += mailbox.o
 scmi-transport-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) += smc.o
-scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o
+scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o voltage.o
 scmi-module-objs := $(scmi-bus-y) $(scmi-driver-y) $(scmi-protocols-y) \
 		    $(scmi-transport-y)
 obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-module.o
diff --git a/drivers/firmware/arm_scmi/base.c b/drivers/firmware/arm_scmi/base.c
index e51d28b..439b209 100644
--- a/drivers/firmware/arm_scmi/base.c
+++ b/drivers/firmware/arm_scmi/base.c
@@ -7,6 +7,7 @@
 
 #define pr_fmt(fmt) "SCMI Notifications BASE - " fmt
 
+#include <linux/module.h>
 #include <linux/scmi_protocol.h>
 
 #include "common.h"
@@ -50,30 +51,30 @@
  * scmi_base_attributes_get() - gets the implementation details
  *	that are associated with the base protocol.
  *
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
  *
  * Return: 0 on success, else appropriate SCMI error.
  */
-static int scmi_base_attributes_get(const struct scmi_handle *handle)
+static int scmi_base_attributes_get(const struct scmi_protocol_handle *ph)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_base_attributes *attr_info;
-	struct scmi_revision_info *rev = handle->version;
+	struct scmi_revision_info *rev = ph->get_priv(ph);
 
-	ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
-				 SCMI_PROTOCOL_BASE, 0, sizeof(*attr_info), &t);
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+				      0, sizeof(*attr_info), &t);
 	if (ret)
 		return ret;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		attr_info = t->rx.buf;
 		rev->num_protocols = attr_info->num_protocols;
 		rev->num_agents = attr_info->num_agents;
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 
 	return ret;
 }
@@ -81,19 +82,20 @@
 /**
  * scmi_base_vendor_id_get() - gets vendor/subvendor identifier ASCII string.
  *
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
  * @sub_vendor: specify true if sub-vendor ID is needed
  *
  * Return: 0 on success, else appropriate SCMI error.
  */
 static int
-scmi_base_vendor_id_get(const struct scmi_handle *handle, bool sub_vendor)
+scmi_base_vendor_id_get(const struct scmi_protocol_handle *ph, bool sub_vendor)
 {
 	u8 cmd;
 	int ret, size;
 	char *vendor_id;
 	struct scmi_xfer *t;
-	struct scmi_revision_info *rev = handle->version;
+	struct scmi_revision_info *rev = ph->get_priv(ph);
+
 
 	if (sub_vendor) {
 		cmd = BASE_DISCOVER_SUB_VENDOR;
@@ -105,15 +107,15 @@
 		size = ARRAY_SIZE(rev->vendor_id);
 	}
 
-	ret = scmi_xfer_get_init(handle, cmd, SCMI_PROTOCOL_BASE, 0, size, &t);
+	ret = ph->xops->xfer_get_init(ph, cmd, 0, size, &t);
 	if (ret)
 		return ret;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret)
 		memcpy(vendor_id, t->rx.buf, size);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 
 	return ret;
 }
@@ -123,30 +125,30 @@
  *	implementation 32-bit version. The format of the version number is
  *	vendor-specific
  *
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
  *
  * Return: 0 on success, else appropriate SCMI error.
  */
 static int
-scmi_base_implementation_version_get(const struct scmi_handle *handle)
+scmi_base_implementation_version_get(const struct scmi_protocol_handle *ph)
 {
 	int ret;
 	__le32 *impl_ver;
 	struct scmi_xfer *t;
-	struct scmi_revision_info *rev = handle->version;
+	struct scmi_revision_info *rev = ph->get_priv(ph);
 
-	ret = scmi_xfer_get_init(handle, BASE_DISCOVER_IMPLEMENT_VERSION,
-				 SCMI_PROTOCOL_BASE, 0, sizeof(*impl_ver), &t);
+	ret = ph->xops->xfer_get_init(ph, BASE_DISCOVER_IMPLEMENT_VERSION,
+				      0, sizeof(*impl_ver), &t);
 	if (ret)
 		return ret;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		impl_ver = t->rx.buf;
 		rev->impl_ver = le32_to_cpu(*impl_ver);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 
 	return ret;
 }
@@ -155,23 +157,24 @@
  * scmi_base_implementation_list_get() - gets the list of protocols it is
  *	OSPM is allowed to access
  *
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
  * @protocols_imp: pointer to hold the list of protocol identifiers
  *
  * Return: 0 on success, else appropriate SCMI error.
  */
-static int scmi_base_implementation_list_get(const struct scmi_handle *handle,
-					     u8 *protocols_imp)
+static int
+scmi_base_implementation_list_get(const struct scmi_protocol_handle *ph,
+				  u8 *protocols_imp)
 {
 	u8 *list;
 	int ret, loop;
 	struct scmi_xfer *t;
 	__le32 *num_skip, *num_ret;
 	u32 tot_num_ret = 0, loop_num_ret;
-	struct device *dev = handle->dev;
+	struct device *dev = ph->dev;
 
-	ret = scmi_xfer_get_init(handle, BASE_DISCOVER_LIST_PROTOCOLS,
-				 SCMI_PROTOCOL_BASE, sizeof(*num_skip), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, BASE_DISCOVER_LIST_PROTOCOLS,
+				      sizeof(*num_skip), 0, &t);
 	if (ret)
 		return ret;
 
@@ -183,7 +186,7 @@
 		/* Set the number of protocols to be skipped/already read */
 		*num_skip = cpu_to_le32(tot_num_ret);
 
-		ret = scmi_do_xfer(handle, t);
+		ret = ph->xops->do_xfer(ph, t);
 		if (ret)
 			break;
 
@@ -198,10 +201,10 @@
 
 		tot_num_ret += loop_num_ret;
 
-		scmi_reset_rx_to_maxsz(handle, t);
+		ph->xops->reset_rx_to_maxsz(ph, t);
 	} while (loop_num_ret);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 
 	return ret;
 }
@@ -209,7 +212,7 @@
 /**
  * scmi_base_discover_agent_get() - discover the name of an agent
  *
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
  * @id: Agent identifier
  * @name: Agent identifier ASCII string
  *
@@ -218,63 +221,63 @@
  *
  * Return: 0 on success, else appropriate SCMI error.
  */
-static int scmi_base_discover_agent_get(const struct scmi_handle *handle,
+static int scmi_base_discover_agent_get(const struct scmi_protocol_handle *ph,
 					int id, char *name)
 {
 	int ret;
 	struct scmi_xfer *t;
 
-	ret = scmi_xfer_get_init(handle, BASE_DISCOVER_AGENT,
-				 SCMI_PROTOCOL_BASE, sizeof(__le32),
-				 SCMI_MAX_STR_SIZE, &t);
+	ret = ph->xops->xfer_get_init(ph, BASE_DISCOVER_AGENT,
+				      sizeof(__le32), SCMI_MAX_STR_SIZE, &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(id, t->tx.buf);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret)
 		strlcpy(name, t->rx.buf, SCMI_MAX_STR_SIZE);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 
 	return ret;
 }
 
-static int scmi_base_error_notify(const struct scmi_handle *handle, bool enable)
+static int scmi_base_error_notify(const struct scmi_protocol_handle *ph,
+				  bool enable)
 {
 	int ret;
 	u32 evt_cntl = enable ? BASE_TP_NOTIFY_ALL : 0;
 	struct scmi_xfer *t;
 	struct scmi_msg_base_error_notify *cfg;
 
-	ret = scmi_xfer_get_init(handle, BASE_NOTIFY_ERRORS,
-				 SCMI_PROTOCOL_BASE, sizeof(*cfg), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, BASE_NOTIFY_ERRORS,
+				      sizeof(*cfg), 0, &t);
 	if (ret)
 		return ret;
 
 	cfg = t->tx.buf;
 	cfg->event_control = cpu_to_le32(evt_cntl);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_base_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_base_set_notify_enabled(const struct scmi_protocol_handle *ph,
 					u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
 
-	ret = scmi_base_error_notify(handle, enable);
+	ret = scmi_base_error_notify(ph, enable);
 	if (ret)
 		pr_debug("FAIL_ENABLED - evt[%X] ret:%d\n", evt_id, ret);
 
 	return ret;
 }
 
-static void *scmi_base_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_base_fill_custom_report(const struct scmi_protocol_handle *ph,
 					  u8 evt_id, ktime_t timestamp,
 					  const void *payld, size_t payld_sz,
 					  void *report, u32 *src_id)
@@ -318,17 +321,24 @@
 	.fill_custom_report = scmi_base_fill_custom_report,
 };
 
-int scmi_base_protocol_init(struct scmi_handle *h)
+static const struct scmi_protocol_events base_protocol_events = {
+	.queue_sz = 4 * SCMI_PROTO_QUEUE_SZ,
+	.ops = &base_event_ops,
+	.evts = base_events,
+	.num_events = ARRAY_SIZE(base_events),
+	.num_sources = SCMI_BASE_NUM_SOURCES,
+};
+
+static int scmi_base_protocol_init(const struct scmi_protocol_handle *ph)
 {
 	int id, ret;
 	u8 *prot_imp;
 	u32 version;
 	char name[SCMI_MAX_STR_SIZE];
-	const struct scmi_handle *handle = h;
-	struct device *dev = handle->dev;
-	struct scmi_revision_info *rev = handle->version;
+	struct device *dev = ph->dev;
+	struct scmi_revision_info *rev = scmi_get_revision_area(ph);
 
-	ret = scmi_version_get(handle, SCMI_PROTOCOL_BASE, &version);
+	ret = ph->xops->version_get(ph, &version);
 	if (ret)
 		return ret;
 
@@ -338,13 +348,15 @@
 
 	rev->major_ver = PROTOCOL_REV_MAJOR(version),
 	rev->minor_ver = PROTOCOL_REV_MINOR(version);
+	ph->set_priv(ph, rev);
 
-	scmi_base_attributes_get(handle);
-	scmi_base_vendor_id_get(handle, false);
-	scmi_base_vendor_id_get(handle, true);
-	scmi_base_implementation_version_get(handle);
-	scmi_base_implementation_list_get(handle, prot_imp);
-	scmi_setup_protocol_implemented(handle, prot_imp);
+	scmi_base_attributes_get(ph);
+	scmi_base_vendor_id_get(ph, false);
+	scmi_base_vendor_id_get(ph, true);
+	scmi_base_implementation_version_get(ph);
+	scmi_base_implementation_list_get(ph, prot_imp);
+
+	scmi_setup_protocol_implemented(ph, prot_imp);
 
 	dev_info(dev, "SCMI Protocol v%d.%d '%s:%s' Firmware version 0x%x\n",
 		 rev->major_ver, rev->minor_ver, rev->vendor_id,
@@ -352,16 +364,20 @@
 	dev_dbg(dev, "Found %d protocol(s) %d agent(s)\n", rev->num_protocols,
 		rev->num_agents);
 
-	scmi_register_protocol_events(handle, SCMI_PROTOCOL_BASE,
-				      (4 * SCMI_PROTO_QUEUE_SZ),
-				      &base_event_ops, base_events,
-				      ARRAY_SIZE(base_events),
-				      SCMI_BASE_NUM_SOURCES);
-
 	for (id = 0; id < rev->num_agents; id++) {
-		scmi_base_discover_agent_get(handle, id, name);
+		scmi_base_discover_agent_get(ph, id, name);
 		dev_dbg(dev, "Agent %d: %s\n", id, name);
 	}
 
 	return 0;
 }
+
+static const struct scmi_protocol scmi_base = {
+	.id = SCMI_PROTOCOL_BASE,
+	.owner = NULL,
+	.init_instance = &scmi_base_protocol_init,
+	.ops = NULL,
+	.events = &base_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(base, scmi_base)
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c
index def8a84..10234e0 100644
--- a/drivers/firmware/arm_scmi/bus.c
+++ b/drivers/firmware/arm_scmi/bus.c
@@ -16,7 +16,7 @@
 #include "common.h"
 
 static DEFINE_IDA(scmi_bus_id);
-static DEFINE_IDR(scmi_protocols);
+static DEFINE_IDR(scmi_available_protocols);
 static DEFINE_SPINLOCK(protocol_lock);
 
 static const struct scmi_device_id *
@@ -51,18 +51,53 @@
 	return 0;
 }
 
-static int scmi_protocol_init(int protocol_id, struct scmi_handle *handle)
+static int scmi_match_by_id_table(struct device *dev, void *data)
 {
-	scmi_prot_init_fn_t fn = idr_find(&scmi_protocols, protocol_id);
+	struct scmi_device *sdev = to_scmi_dev(dev);
+	struct scmi_device_id *id_table = data;
 
-	if (unlikely(!fn))
-		return -EINVAL;
-	return fn(handle);
+	return sdev->protocol_id == id_table->protocol_id &&
+		!strcmp(sdev->name, id_table->name);
 }
 
-static int scmi_protocol_dummy_init(struct scmi_handle *handle)
+struct scmi_device *scmi_find_child_dev(struct device *parent,
+					int prot_id, const char *name)
 {
-	return 0;
+	struct scmi_device_id id_table;
+	struct device *dev;
+
+	id_table.protocol_id = prot_id;
+	id_table.name = name;
+
+	dev = device_find_child(parent, &id_table, scmi_match_by_id_table);
+	if (!dev)
+		return NULL;
+
+	return to_scmi_dev(dev);
+}
+
+const struct scmi_protocol *scmi_get_protocol(int protocol_id)
+{
+	const struct scmi_protocol *proto;
+
+	proto = idr_find(&scmi_available_protocols, protocol_id);
+	if (!proto || !try_module_get(proto->owner)) {
+		pr_warn("SCMI Protocol 0x%x not found!\n", protocol_id);
+		return NULL;
+	}
+
+	pr_debug("GOT SCMI Protocol 0x%x\n", protocol_id);
+
+	return proto;
+}
+
+void scmi_put_protocol(int protocol_id)
+{
+	const struct scmi_protocol *proto;
+
+	proto = idr_find(&scmi_available_protocols, protocol_id);
+	if (proto)
+		module_put(proto->owner);
 }
 
 static int scmi_dev_probe(struct device *dev)
@@ -70,7 +105,6 @@
 	struct scmi_driver *scmi_drv = to_scmi_driver(dev->driver);
 	struct scmi_device *scmi_dev = to_scmi_dev(dev);
 	const struct scmi_device_id *id;
-	int ret;
 
 	id = scmi_dev_match_id(scmi_dev, scmi_drv);
 	if (!id)
@@ -79,14 +113,6 @@
 	if (!scmi_dev->handle)
 		return -EPROBE_DEFER;
 
-	ret = scmi_protocol_init(scmi_dev->protocol_id, scmi_dev->handle);
-	if (ret)
-		return ret;
-
-	/* Skip protocol initialisation for additional devices */
-	idr_replace(&scmi_protocols, &scmi_protocol_dummy_init,
-		    scmi_dev->protocol_id);
-
 	return scmi_drv->probe(scmi_dev);
 }
 
@@ -116,6 +142,10 @@
 	if (!driver->probe)
 		return -EINVAL;
 
+	retval = scmi_request_protocol_device(driver->id_table);
+	if (retval)
+		return retval;
+
 	driver->driver.bus = &scmi_bus_type;
 	driver->driver.name = driver->name;
 	driver->driver.owner = owner;
@@ -132,6 +162,7 @@
 void scmi_driver_unregister(struct scmi_driver *driver)
 {
 	driver_unregister(&driver->driver);
+	scmi_unrequest_protocol_device(driver->id_table);
 }
 EXPORT_SYMBOL_GPL(scmi_driver_unregister);
 
@@ -197,26 +228,45 @@
 	scmi_dev->handle = scmi_handle_get(&scmi_dev->dev);
 }
 
-int scmi_protocol_register(int protocol_id, scmi_prot_init_fn_t fn)
+int scmi_protocol_register(const struct scmi_protocol *proto)
 {
 	int ret;
 
-	spin_lock(&protocol_lock);
-	ret = idr_alloc(&scmi_protocols, fn, protocol_id, protocol_id + 1,
-			GFP_ATOMIC);
-	spin_unlock(&protocol_lock);
-	if (ret != protocol_id)
-		pr_err("unable to allocate SCMI idr slot, err %d\n", ret);
+	if (!proto) {
+		pr_err("invalid protocol\n");
+		return -EINVAL;
+	}
 
-	return ret;
+	if (!proto->init_instance) {
+		pr_err("missing .init() for protocol 0x%x\n", proto->id);
+		return -EINVAL;
+	}
+
+	spin_lock(&protocol_lock);
+	ret = idr_alloc(&scmi_available_protocols, (void *)proto,
+			proto->id, proto->id + 1, GFP_ATOMIC);
+	spin_unlock(&protocol_lock);
+	if (ret != proto->id) {
+		pr_err("unable to allocate SCMI idr slot for 0x%x - err %d\n",
+		       proto->id, ret);
+		return ret;
+	}
+
+	pr_debug("Registered SCMI Protocol 0x%x\n", proto->id);
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(scmi_protocol_register);
 
-void scmi_protocol_unregister(int protocol_id)
+void scmi_protocol_unregister(const struct scmi_protocol *proto)
 {
 	spin_lock(&protocol_lock);
-	idr_remove(&scmi_protocols, protocol_id);
+	idr_remove(&scmi_available_protocols, proto->id);
 	spin_unlock(&protocol_lock);
+
+	pr_debug("Unregistered SCMI Protocol 0x%x\n", proto->id);
+
+	return;
 }
 EXPORT_SYMBOL_GPL(scmi_protocol_unregister);
 
diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c
index a45678c..7fa1a8a 100644
--- a/drivers/firmware/arm_scmi/clock.c
+++ b/drivers/firmware/arm_scmi/clock.c
@@ -2,9 +2,10 @@
 /*
  * System Control and Management Interface (SCMI) Clock Protocol
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  */
 
+#include <linux/module.h>
 #include <linux/sort.h>
 
 #include "common.h"
@@ -74,52 +75,53 @@
 	struct scmi_clock_info *clk;
 };
 
-static int scmi_clock_protocol_attributes_get(const struct scmi_handle *handle,
-					      struct clock_info *ci)
+static int
+scmi_clock_protocol_attributes_get(const struct scmi_protocol_handle *ph,
+				   struct clock_info *ci)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_clock_protocol_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
-				 SCMI_PROTOCOL_CLOCK, 0, sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+				      0, sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		ci->num_clocks = le16_to_cpu(attr->num_clocks);
 		ci->max_async_req = attr->max_async_req;
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_clock_attributes_get(const struct scmi_handle *handle,
+static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph,
 				     u32 clk_id, struct scmi_clock_info *clk)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_clock_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, CLOCK_ATTRIBUTES, SCMI_PROTOCOL_CLOCK,
-				 sizeof(clk_id), sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, CLOCK_ATTRIBUTES,
+				      sizeof(clk_id), sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(clk_id, t->tx.buf);
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret)
 		strlcpy(clk->name, attr->name, SCMI_MAX_STR_SIZE);
 	else
 		clk->name[0] = '\0';
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
@@ -136,7 +138,7 @@
 }
 
 static int
-scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
+scmi_clock_describe_rates_get(const struct scmi_protocol_handle *ph, u32 clk_id,
 			      struct scmi_clock_info *clk)
 {
 	u64 *rate = NULL;
@@ -148,8 +150,8 @@
 	struct scmi_msg_clock_describe_rates *clk_desc;
 	struct scmi_msg_resp_clock_describe_rates *rlist;
 
-	ret = scmi_xfer_get_init(handle, CLOCK_DESCRIBE_RATES,
-				 SCMI_PROTOCOL_CLOCK, sizeof(*clk_desc), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, CLOCK_DESCRIBE_RATES,
+				      sizeof(*clk_desc), 0, &t);
 	if (ret)
 		return ret;
 
@@ -161,7 +163,7 @@
 		/* Set the number of rates to be skipped/already read */
 		clk_desc->rate_index = cpu_to_le32(tot_rate_cnt);
 
-		ret = scmi_do_xfer(handle, t);
+		ret = ph->xops->do_xfer(ph, t);
 		if (ret)
 			goto err;
 
@@ -171,7 +173,7 @@
 		num_returned = NUM_RETURNED(rates_flag);
 
 		if (tot_rate_cnt + num_returned > SCMI_MAX_NUM_RATES) {
-			dev_err(handle->dev, "No. of rates > MAX_NUM_RATES");
+			dev_err(ph->dev, "No. of rates > MAX_NUM_RATES");
 			break;
 		}
 
@@ -179,7 +181,7 @@
 			clk->range.min_rate = RATE_TO_U64(rlist->rate[0]);
 			clk->range.max_rate = RATE_TO_U64(rlist->rate[1]);
 			clk->range.step_size = RATE_TO_U64(rlist->rate[2]);
-			dev_dbg(handle->dev, "Min %llu Max %llu Step %llu Hz\n",
+			dev_dbg(ph->dev, "Min %llu Max %llu Step %llu Hz\n",
 				clk->range.min_rate, clk->range.max_rate,
 				clk->range.step_size);
 			break;
@@ -188,12 +190,12 @@
 		rate = &clk->list.rates[tot_rate_cnt];
 		for (cnt = 0; cnt < num_returned; cnt++, rate++) {
 			*rate = RATE_TO_U64(rlist->rate[cnt]);
-			dev_dbg(handle->dev, "Rate %llu Hz\n", *rate);
+			dev_dbg(ph->dev, "Rate %llu Hz\n", *rate);
 		}
 
 		tot_rate_cnt += num_returned;
 
-		scmi_reset_rx_to_maxsz(handle, t);
+		ph->xops->reset_rx_to_maxsz(ph, t);
 		/*
 		 * check for both returned and remaining to avoid infinite
 		 * loop due to buggy firmware
@@ -209,42 +211,42 @@
 	clk->rate_discrete = rate_discrete;
 
 err:
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
 static int
-scmi_clock_rate_get(const struct scmi_handle *handle, u32 clk_id, u64 *value)
+scmi_clock_rate_get(const struct scmi_protocol_handle *ph,
+		    u32 clk_id, u64 *value)
 {
 	int ret;
 	struct scmi_xfer *t;
 
-	ret = scmi_xfer_get_init(handle, CLOCK_RATE_GET, SCMI_PROTOCOL_CLOCK,
-				 sizeof(__le32), sizeof(u64), &t);
+	ret = ph->xops->xfer_get_init(ph, CLOCK_RATE_GET,
+				      sizeof(__le32), sizeof(u64), &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(clk_id, t->tx.buf);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret)
 		*value = get_unaligned_le64(t->rx.buf);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_clock_rate_set(const struct scmi_handle *handle, u32 clk_id,
-			       u64 rate)
+static int scmi_clock_rate_set(const struct scmi_protocol_handle *ph,
+			       u32 clk_id, u64 rate)
 {
 	int ret;
 	u32 flags = 0;
 	struct scmi_xfer *t;
 	struct scmi_clock_set_rate *cfg;
-	struct clock_info *ci = handle->clk_priv;
+	struct clock_info *ci = ph->get_priv(ph);
 
-	ret = scmi_xfer_get_init(handle, CLOCK_RATE_SET, SCMI_PROTOCOL_CLOCK,
-				 sizeof(*cfg), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, CLOCK_RATE_SET, sizeof(*cfg), 0, &t);
 	if (ret)
 		return ret;
 
@@ -259,26 +261,27 @@
 	cfg->value_high = cpu_to_le32(rate >> 32);
 
 	if (flags & CLOCK_SET_ASYNC)
-		ret = scmi_do_xfer_with_response(handle, t);
+		ret = ph->xops->do_xfer_with_response(ph, t);
 	else
-		ret = scmi_do_xfer(handle, t);
+		ret = ph->xops->do_xfer(ph, t);
 
 	if (ci->max_async_req)
 		atomic_dec(&ci->cur_async_req);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
 static int
-scmi_clock_config_set(const struct scmi_handle *handle, u32 clk_id, u32 config)
+scmi_clock_config_set(const struct scmi_protocol_handle *ph, u32 clk_id,
+		      u32 config)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_clock_set_config *cfg;
 
-	ret = scmi_xfer_get_init(handle, CLOCK_CONFIG_SET, SCMI_PROTOCOL_CLOCK,
-				 sizeof(*cfg), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, CLOCK_CONFIG_SET,
+				      sizeof(*cfg), 0, &t);
 	if (ret)
 		return ret;
 
@@ -286,33 +289,33 @@
 	cfg->id = cpu_to_le32(clk_id);
 	cfg->attributes = cpu_to_le32(config);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_clock_enable(const struct scmi_handle *handle, u32 clk_id)
+static int scmi_clock_enable(const struct scmi_protocol_handle *ph, u32 clk_id)
 {
-	return scmi_clock_config_set(handle, clk_id, CLOCK_ENABLE);
+	return scmi_clock_config_set(ph, clk_id, CLOCK_ENABLE);
 }
 
-static int scmi_clock_disable(const struct scmi_handle *handle, u32 clk_id)
+static int scmi_clock_disable(const struct scmi_protocol_handle *ph, u32 clk_id)
 {
-	return scmi_clock_config_set(handle, clk_id, 0);
+	return scmi_clock_config_set(ph, clk_id, 0);
 }
 
-static int scmi_clock_count_get(const struct scmi_handle *handle)
+static int scmi_clock_count_get(const struct scmi_protocol_handle *ph)
 {
-	struct clock_info *ci = handle->clk_priv;
+	struct clock_info *ci = ph->get_priv(ph);
 
 	return ci->num_clocks;
 }
 
 static const struct scmi_clock_info *
-scmi_clock_info_get(const struct scmi_handle *handle, u32 clk_id)
+scmi_clock_info_get(const struct scmi_protocol_handle *ph, u32 clk_id)
 {
-	struct clock_info *ci = handle->clk_priv;
+	struct clock_info *ci = ph->get_priv(ph);
 	struct scmi_clock_info *clk = ci->clk + clk_id;
 
 	if (!clk->name[0])
@@ -321,7 +324,7 @@
 	return clk;
 }
 
-static const struct scmi_clk_ops clk_ops = {
+static const struct scmi_clk_proto_ops clk_proto_ops = {
 	.count_get = scmi_clock_count_get,
 	.info_get = scmi_clock_info_get,
 	.rate_get = scmi_clock_rate_get,
@@ -330,24 +333,24 @@
 	.disable = scmi_clock_disable,
 };
 
-static int scmi_clock_protocol_init(struct scmi_handle *handle)
+static int scmi_clock_protocol_init(const struct scmi_protocol_handle *ph)
 {
 	u32 version;
 	int clkid, ret;
 	struct clock_info *cinfo;
 
-	scmi_version_get(handle, SCMI_PROTOCOL_CLOCK, &version);
+	ph->xops->version_get(ph, &version);
 
-	dev_dbg(handle->dev, "Clock Version %d.%d\n",
+	dev_dbg(ph->dev, "Clock Version %d.%d\n",
 		PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
 
-	cinfo = devm_kzalloc(handle->dev, sizeof(*cinfo), GFP_KERNEL);
+	cinfo = devm_kzalloc(ph->dev, sizeof(*cinfo), GFP_KERNEL);
 	if (!cinfo)
 		return -ENOMEM;
 
-	scmi_clock_protocol_attributes_get(handle, cinfo);
+	scmi_clock_protocol_attributes_get(ph, cinfo);
 
-	cinfo->clk = devm_kcalloc(handle->dev, cinfo->num_clocks,
+	cinfo->clk = devm_kcalloc(ph->dev, cinfo->num_clocks,
 				  sizeof(*cinfo->clk), GFP_KERNEL);
 	if (!cinfo->clk)
 		return -ENOMEM;
@@ -355,16 +358,20 @@
 	for (clkid = 0; clkid < cinfo->num_clocks; clkid++) {
 		struct scmi_clock_info *clk = cinfo->clk + clkid;
 
-		ret = scmi_clock_attributes_get(handle, clkid, clk);
+		ret = scmi_clock_attributes_get(ph, clkid, clk);
 		if (!ret)
-			scmi_clock_describe_rates_get(handle, clkid, clk);
+			scmi_clock_describe_rates_get(ph, clkid, clk);
 	}
 
 	cinfo->version = version;
-	handle->clk_ops = &clk_ops;
-	handle->clk_priv = cinfo;
-
-	return 0;
+	return ph->set_priv(ph, cinfo);
 }
 
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_CLOCK, clock)
+static const struct scmi_protocol scmi_clock = {
+	.id = SCMI_PROTOCOL_CLOCK,
+	.owner = THIS_MODULE,
+	.init_instance = &scmi_clock_protocol_init,
+	.ops = &clk_proto_ops,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(clock, scmi_clock)
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index 34b7ae7..9643665 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -14,11 +14,14 @@
 #include <linux/device.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/scmi_protocol.h>
 #include <linux/types.h>
 
 #include <asm/unaligned.h>
 
+#include "notify.h"
+
 #define PROTOCOL_REV_MINOR_MASK	GENMASK(15, 0)
 #define PROTOCOL_REV_MAJOR_MASK	GENMASK(31, 16)
 #define PROTOCOL_REV_MAJOR(x)	(u16)(FIELD_GET(PROTOCOL_REV_MAJOR_MASK, (x)))
@@ -141,22 +144,92 @@
 	struct completion *async_done;
 };
 
-void scmi_xfer_put(const struct scmi_handle *h, struct scmi_xfer *xfer);
-int scmi_do_xfer(const struct scmi_handle *h, struct scmi_xfer *xfer);
-int scmi_do_xfer_with_response(const struct scmi_handle *h,
-			       struct scmi_xfer *xfer);
-int scmi_xfer_get_init(const struct scmi_handle *h, u8 msg_id, u8 prot_id,
-		       size_t tx_size, size_t rx_size, struct scmi_xfer **p);
-void scmi_reset_rx_to_maxsz(const struct scmi_handle *handle,
-			    struct scmi_xfer *xfer);
+struct scmi_xfer_ops;
+
+/**
+ * struct scmi_protocol_handle  - Reference to an initialized protocol instance
+ *
+ * @dev: A reference to the associated SCMI instance device (handle->dev).
+ * @xops: A reference to a struct holding refs to the core xfer operations that
+ *	  can be used by the protocol implementation to generate SCMI messages.
+ * @set_priv: A method to set protocol private data for this instance.
+ * @get_priv: A method to get protocol private data previously set.
+ *
+ * This structure represents a protocol initialized against specific SCMI
+ * instance and it will be used as follows:
+ * - as a parameter fed from the core to the protocol initialization code so
+ *   that it can access the core xfer operations to build and generate SCMI
+ *   messages exclusively for the specific underlying protocol instance.
+ * - as an opaque handle fed by an SCMI driver user when it tries to access
+ *   this protocol through its own protocol operations.
+ *   In this case this handle will be returned as an opaque object together
+ *   with the related protocol operations when the SCMI driver tries to access
+ *   the protocol.
+ */
+struct scmi_protocol_handle {
+	struct device *dev;
+	const struct scmi_xfer_ops *xops;
+	int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv);
+	void *(*get_priv)(const struct scmi_protocol_handle *ph);
+};
+
+/**
+ * struct scmi_xfer_ops  - References to the core SCMI xfer operations.
+ * @version_get: Get this version protocol.
+ * @xfer_get_init: Initialize one struct xfer if any xfer slot is free.
+ * @reset_rx_to_maxsz: Reset rx size to max transport size.
+ * @do_xfer: Do the SCMI transfer.
+ * @do_xfer_with_response: Do the SCMI transfer waiting for a response.
+ * @xfer_put: Free the xfer slot.
+ *
+ * Note that all this operations expect a protocol handle as first parameter;
+ * they then internally use it to infer the underlying protocol number: this
+ * way is not possible for a protocol implementation to forge messages for
+ * another protocol.
+ */
+struct scmi_xfer_ops {
+	int (*version_get)(const struct scmi_protocol_handle *ph, u32 *version);
+	int (*xfer_get_init)(const struct scmi_protocol_handle *ph, u8 msg_id,
+			     size_t tx_size, size_t rx_size,
+			     struct scmi_xfer **p);
+	void (*reset_rx_to_maxsz)(const struct scmi_protocol_handle *ph,
+				  struct scmi_xfer *xfer);
+	int (*do_xfer)(const struct scmi_protocol_handle *ph,
+		       struct scmi_xfer *xfer);
+	int (*do_xfer_with_response)(const struct scmi_protocol_handle *ph,
+				     struct scmi_xfer *xfer);
+	void (*xfer_put)(const struct scmi_protocol_handle *ph,
+			 struct scmi_xfer *xfer);
+};
+
+struct scmi_revision_info *
+scmi_get_revision_area(const struct scmi_protocol_handle *ph);
 int scmi_handle_put(const struct scmi_handle *handle);
 struct scmi_handle *scmi_handle_get(struct device *dev);
 void scmi_set_handle(struct scmi_device *scmi_dev);
-int scmi_version_get(const struct scmi_handle *h, u8 protocol, u32 *version);
-void scmi_setup_protocol_implemented(const struct scmi_handle *handle,
+void scmi_setup_protocol_implemented(const struct scmi_protocol_handle *ph,
 				     u8 *prot_imp);
 
-int scmi_base_protocol_init(struct scmi_handle *h);
+typedef int (*scmi_prot_init_ph_fn_t)(const struct scmi_protocol_handle *);
+
+/**
+ * struct scmi_protocol  - Protocol descriptor
+ * @id: Protocol ID.
+ * @owner: Module reference if any.
+ * @init_instance: Mandatory protocol initialization function.
+ * @deinit_instance: Optional protocol de-initialization function.
+ * @ops: Optional reference to the operations provided by the protocol and
+ *	 exposed in scmi_protocol.h.
+ * @events: An optional reference to the events supported by this protocol.
+ */
+struct scmi_protocol {
+	const u8				id;
+	struct module				*owner;
+	const scmi_prot_init_ph_fn_t		init_instance;
+	const scmi_prot_init_ph_fn_t		deinit_instance;
+	const void				*ops;
+	const struct scmi_protocol_events	*events;
+};
 
 int __init scmi_bus_init(void);
 void __exit scmi_bus_exit(void);
@@ -164,24 +237,32 @@
 #define DECLARE_SCMI_REGISTER_UNREGISTER(func)		\
 	int __init scmi_##func##_register(void);	\
 	void __exit scmi_##func##_unregister(void)
+DECLARE_SCMI_REGISTER_UNREGISTER(base);
 DECLARE_SCMI_REGISTER_UNREGISTER(clock);
 DECLARE_SCMI_REGISTER_UNREGISTER(perf);
 DECLARE_SCMI_REGISTER_UNREGISTER(power);
 DECLARE_SCMI_REGISTER_UNREGISTER(reset);
 DECLARE_SCMI_REGISTER_UNREGISTER(sensors);
+DECLARE_SCMI_REGISTER_UNREGISTER(voltage);
 DECLARE_SCMI_REGISTER_UNREGISTER(system);
 
-#define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(id, name) \
+#define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(name, proto) \
 int __init scmi_##name##_register(void) \
 { \
-	return scmi_protocol_register((id), &scmi_##name##_protocol_init); \
+	return scmi_protocol_register(&(proto)); \
 } \
 \
 void __exit scmi_##name##_unregister(void) \
 { \
-	scmi_protocol_unregister((id)); \
+	scmi_protocol_unregister(&(proto)); \
 }
 
+const struct scmi_protocol *scmi_get_protocol(int protocol_id);
+void scmi_put_protocol(int protocol_id);
+
+int scmi_acquire_protocol(const struct scmi_handle *handle, u8 protocol_id);
+void scmi_release_protocol(const struct scmi_handle *handle, u8 protocol_id);
+
 /* SCMI Transport */
 /**
  * struct scmi_chan_info - Structure representing a SCMI channel information
@@ -226,6 +307,11 @@
 	bool (*poll_done)(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer);
 };
 
+int scmi_request_protocol_device(const struct scmi_device_id *id_table);
+void scmi_unrequest_protocol_device(const struct scmi_device_id *id_table);
+struct scmi_device *scmi_find_child_dev(struct device *parent,
+					int prot_id, const char *name);
+
 /**
  * struct scmi_desc - Description of SoC integration
  *
@@ -264,4 +350,8 @@
 bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem,
 		     struct scmi_xfer *xfer);
 
+void scmi_set_notification_instance_data(const struct scmi_handle *handle,
+					 void *priv);
+void *scmi_get_notification_instance_data(const struct scmi_handle *handle);
+
 #endif /* _SCMI_COMMON_H */
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 8d24082..977a45d 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -11,18 +11,22 @@
  * various power domain DVFS including the core/cluster, certain system
  * clocks configuration, thermal sensors and many others.
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  */
 
 #include <linux/bitmap.h>
+#include <linux/device.h>
 #include <linux/export.h>
+#include <linux/idr.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/ktime.h>
+#include <linux/list.h>
 #include <linux/module.h>
 #include <linux/of_address.h>
 #include <linux/of_device.h>
 #include <linux/processor.h>
+#include <linux/refcount.h>
 #include <linux/slab.h>
 
 #include "common.h"
@@ -30,6 +34,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/scmi.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/scmi.h>
 
 enum scmi_error_codes {
 	SCMI_SUCCESS = 0,	/* Success */
@@ -52,6 +58,14 @@
 /* Track the unique id for the transfers for debug & profiling purpose */
 static atomic_t transfer_last_id;
 
+static DEFINE_IDR(scmi_requested_devices);
+static DEFINE_MUTEX(scmi_requested_devices_mtx);
+
+struct scmi_requested_dev {
+	const struct scmi_device_id *id_table;
+	struct list_head node;
+};
+
 /**
  * struct scmi_xfers_info - Structure to manage transfer information
  *
@@ -68,6 +82,30 @@
 };
 
 /**
+ * struct scmi_protocol_instance  - Describe an initialized protocol instance.
+ * @handle: Reference to the SCMI handle associated to this protocol instance.
+ * @proto: A reference to the protocol descriptor.
+ * @gid: A reference for per-protocol devres management.
+ * @users: A refcount to track effective users of this protocol.
+ * @priv: Reference for optional protocol private data.
+ * @ph: An embedded protocol handle that will be passed down to protocol
+ *	initialization code to identify this instance.
+ *
+ * Each protocol is initialized independently once for each SCMI platform in
+ * which is defined by DT and implemented by the SCMI server fw.
+ */
+struct scmi_protocol_instance {
+	const struct scmi_handle	*handle;
+	const struct scmi_protocol	*proto;
+	void				*gid;
+	refcount_t			users;
+	void				*priv;
+	struct scmi_protocol_handle	ph;
+};
+
+#define ph_to_pi(h)	container_of(h, struct scmi_protocol_instance, ph)
+
+/**
  * struct scmi_info - Structure representing a SCMI instance
  *
  * @dev: Device pointer
@@ -79,8 +117,15 @@
  * @rx_minfo: Universal Receive Message management info
  * @tx_idr: IDR object to map protocol id to Tx channel info pointer
  * @rx_idr: IDR object to map protocol id to Rx channel info pointer
+ * @protocols: IDR for protocols' instance descriptors initialized for
+ *	       this SCMI instance: populated on protocol's first attempted
+ *	       usage.
+ * @protocols_mtx: A mutex to protect protocols instances initialization.
  * @protocols_imp: List of protocols implemented, currently maximum of
  *	MAX_PROTOCOLS_IMP elements allocated by the base protocol
+ * @active_protocols: IDR storing device_nodes for protocols actually defined
+ *		      in the DT and confirmed as implemented by fw.
+ * @notify_priv: Pointer to private data structure specific to notifications.
  * @node: List head
  * @users: Number of users of this instance
  */
@@ -93,7 +138,12 @@
 	struct scmi_xfers_info rx_minfo;
 	struct idr tx_idr;
 	struct idr rx_idr;
+	struct idr protocols;
+	/* Ensure mutual exclusive access to protocols instance array */
+	struct mutex protocols_mtx;
 	u8 *protocols_imp;
+	struct idr active_protocols;
+	void *notify_priv;
 	struct list_head node;
 	int users;
 };
@@ -137,6 +187,25 @@
 		hdr->id, hdr->seq, hdr->protocol_id);
 }
 
+void scmi_set_notification_instance_data(const struct scmi_handle *handle,
+					 void *priv)
+{
+	struct scmi_info *info = handle_to_scmi_info(handle);
+
+	info->notify_priv = priv;
+	/* Ensure updated protocol private date are visible */
+	smp_wmb();
+}
+
+void *scmi_get_notification_instance_data(const struct scmi_handle *handle)
+{
+	struct scmi_info *info = handle_to_scmi_info(handle);
+
+	/* Ensure protocols_private_data has been updated */
+	smp_rmb();
+	return info->notify_priv;
+}
+
 /**
  * scmi_xfer_get() - Allocate one message
  *
@@ -321,14 +390,16 @@
 }
 
 /**
- * scmi_xfer_put() - Release a transmit message
+ * xfer_put() - Release a transmit message
  *
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
  * @xfer: message that was reserved by scmi_xfer_get
  */
-void scmi_xfer_put(const struct scmi_handle *handle, struct scmi_xfer *xfer)
+static void xfer_put(const struct scmi_protocol_handle *ph,
+		     struct scmi_xfer *xfer)
 {
-	struct scmi_info *info = handle_to_scmi_info(handle);
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+	struct scmi_info *info = handle_to_scmi_info(pi->handle);
 
 	__scmi_xfer_put(&info->tx_minfo, xfer);
 }
@@ -345,23 +416,32 @@
 }
 
 /**
- * scmi_do_xfer() - Do one transfer
+ * do_xfer() - Do one transfer
  *
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
  * @xfer: Transfer to initiate and wait for response
  *
  * Return: -ETIMEDOUT in case of no response, if transmit error,
  *	return corresponding error, else if all goes well,
  *	return 0.
  */
-int scmi_do_xfer(const struct scmi_handle *handle, struct scmi_xfer *xfer)
+static int do_xfer(const struct scmi_protocol_handle *ph,
+		   struct scmi_xfer *xfer)
 {
 	int ret;
 	int timeout;
-	struct scmi_info *info = handle_to_scmi_info(handle);
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+	struct scmi_info *info = handle_to_scmi_info(pi->handle);
 	struct device *dev = info->dev;
 	struct scmi_chan_info *cinfo;
 
+	/*
+	 * Re-instate protocol id here from protocol handle so that cannot be
+	 * overridden by mistake (or malice) by the protocol code mangling with
+	 * the scmi_xfer structure.
+	 */
+	xfer->hdr.protocol_id = pi->proto->id;
+
 	cinfo = idr_find(&info->tx_idr, xfer->hdr.protocol_id);
 	if (unlikely(!cinfo))
 		return -EINVAL;
@@ -388,6 +468,7 @@
 	} else {
 		/* And we wait for the response. */
 		timeout = msecs_to_jiffies(info->desc->max_rx_timeout_ms);
+		trace_android_vh_scmi_timeout_sync(&timeout);
 		if (!wait_for_completion_timeout(&xfer->done, timeout)) {
 			dev_err(dev, "timed out in resp(caller: %pS)\n",
 				(void *)_RET_IP_);
@@ -407,10 +488,11 @@
 	return ret;
 }
 
-void scmi_reset_rx_to_maxsz(const struct scmi_handle *handle,
-			    struct scmi_xfer *xfer)
+static void reset_rx_to_maxsz(const struct scmi_protocol_handle *ph,
+			      struct scmi_xfer *xfer)
 {
-	struct scmi_info *info = handle_to_scmi_info(handle);
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+	struct scmi_info *info = handle_to_scmi_info(pi->handle);
 
 	xfer->rx.len = info->desc->max_msg_size;
 }
@@ -418,24 +500,27 @@
 #define SCMI_MAX_RESPONSE_TIMEOUT	(2 * MSEC_PER_SEC)
 
 /**
- * scmi_do_xfer_with_response() - Do one transfer and wait until the delayed
+ * do_xfer_with_response() - Do one transfer and wait until the delayed
  *	response is received
  *
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
  * @xfer: Transfer to initiate and wait for response
  *
  * Return: -ETIMEDOUT in case of no delayed response, if transmit error,
  *	return corresponding error, else if all goes well, return 0.
  */
-int scmi_do_xfer_with_response(const struct scmi_handle *handle,
-			       struct scmi_xfer *xfer)
+static int do_xfer_with_response(const struct scmi_protocol_handle *ph,
+				 struct scmi_xfer *xfer)
 {
 	int ret, timeout = msecs_to_jiffies(SCMI_MAX_RESPONSE_TIMEOUT);
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
 	DECLARE_COMPLETION_ONSTACK(async_response);
 
+	xfer->hdr.protocol_id = pi->proto->id;
+
 	xfer->async_done = &async_response;
 
-	ret = scmi_do_xfer(handle, xfer);
+	ret = do_xfer(ph, xfer);
 	if (!ret) {
 		if (!wait_for_completion_timeout(xfer->async_done, timeout))
 			ret = -ETIMEDOUT;
@@ -448,11 +533,10 @@
 }
 
 /**
- * scmi_xfer_get_init() - Allocate and initialise one message for transmit
+ * xfer_get_init() - Allocate and initialise one message for transmit
  *
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
  * @msg_id: Message identifier
- * @prot_id: Protocol identifier for the message
  * @tx_size: transmit message size
  * @rx_size: receive message size
  * @p: pointer to the allocated and initialised message
@@ -463,12 +547,14 @@
  * Return: 0 if all went fine with @p pointing to message, else
  *	corresponding error.
  */
-int scmi_xfer_get_init(const struct scmi_handle *handle, u8 msg_id, u8 prot_id,
-		       size_t tx_size, size_t rx_size, struct scmi_xfer **p)
+static int xfer_get_init(const struct scmi_protocol_handle *ph,
+			 u8 msg_id, size_t tx_size, size_t rx_size,
+			 struct scmi_xfer **p)
 {
 	int ret;
 	struct scmi_xfer *xfer;
-	struct scmi_info *info = handle_to_scmi_info(handle);
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+	struct scmi_info *info = handle_to_scmi_info(pi->handle);
 	struct scmi_xfers_info *minfo = &info->tx_minfo;
 	struct device *dev = info->dev;
 
@@ -477,7 +563,7 @@
 	    tx_size > info->desc->max_msg_size)
 		return -ERANGE;
 
-	xfer = scmi_xfer_get(handle, minfo);
+	xfer = scmi_xfer_get(pi->handle, minfo);
 	if (IS_ERR(xfer)) {
 		ret = PTR_ERR(xfer);
 		dev_err(dev, "failed to get free message slot(%d)\n", ret);
@@ -487,7 +573,7 @@
 	xfer->tx.len = tx_size;
 	xfer->rx.len = rx_size ? : info->desc->max_msg_size;
 	xfer->hdr.id = msg_id;
-	xfer->hdr.protocol_id = prot_id;
+	xfer->hdr.protocol_id = pi->proto->id;
 	xfer->hdr.poll_completion = false;
 
 	*p = xfer;
@@ -496,42 +582,237 @@
 }
 
 /**
- * scmi_version_get() - command to get the revision of the SCMI entity
+ * version_get() - command to get the revision of the SCMI entity
  *
- * @handle: Pointer to SCMI entity handle
- * @protocol: Protocol identifier for the message
+ * @ph: Pointer to SCMI protocol handle
  * @version: Holds returned version of protocol.
  *
  * Updates the SCMI information in the internal data structure.
  *
  * Return: 0 if all went fine, else return appropriate error.
  */
-int scmi_version_get(const struct scmi_handle *handle, u8 protocol,
-		     u32 *version)
+static int version_get(const struct scmi_protocol_handle *ph, u32 *version)
 {
 	int ret;
 	__le32 *rev_info;
 	struct scmi_xfer *t;
 
-	ret = scmi_xfer_get_init(handle, PROTOCOL_VERSION, protocol, 0,
-				 sizeof(*version), &t);
+	ret = xfer_get_init(ph, PROTOCOL_VERSION, 0, sizeof(*version), &t);
 	if (ret)
 		return ret;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = do_xfer(ph, t);
 	if (!ret) {
 		rev_info = t->rx.buf;
 		*version = le32_to_cpu(*rev_info);
 	}
 
-	scmi_xfer_put(handle, t);
+	xfer_put(ph, t);
 	return ret;
 }
 
-void scmi_setup_protocol_implemented(const struct scmi_handle *handle,
-				     u8 *prot_imp)
+/**
+ * scmi_set_protocol_priv  - Set protocol specific data at init time
+ *
+ * @ph: A reference to the protocol handle.
+ * @priv: The private data to set.
+ *
+ * Return: 0 on Success
+ */
+static int scmi_set_protocol_priv(const struct scmi_protocol_handle *ph,
+				  void *priv)
+{
+	struct scmi_protocol_instance *pi = ph_to_pi(ph);
+
+	pi->priv = priv;
+
+	return 0;
+}
+
+/**
+ * scmi_get_protocol_priv  - Set protocol specific data at init time
+ *
+ * @ph: A reference to the protocol handle.
+ *
+ * Return: Protocol private data if any was set.
+ */
+static void *scmi_get_protocol_priv(const struct scmi_protocol_handle *ph)
+{
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+
+	return pi->priv;
+}
+
+static const struct scmi_xfer_ops xfer_ops = {
+	.version_get = version_get,
+	.xfer_get_init = xfer_get_init,
+	.reset_rx_to_maxsz = reset_rx_to_maxsz,
+	.do_xfer = do_xfer,
+	.do_xfer_with_response = do_xfer_with_response,
+	.xfer_put = xfer_put,
+};
+
+/**
+ * scmi_get_revision_area  - Retrieve version memory area.
+ *
+ * @ph: A reference to the protocol handle.
+ *
+ * A helper to grab the version memory area reference during SCMI Base protocol
+ * initialization.
+ *
+ * Return: A reference to the version memory area associated to the SCMI
+ *	   instance underlying this protocol handle.
+ */
+struct scmi_revision_info *
+scmi_get_revision_area(const struct scmi_protocol_handle *ph)
+{
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+
+	return pi->handle->version;
+}
+
+/**
+ * scmi_get_protocol_instance  - Protocol initialization helper.
+ * @handle: A reference to the SCMI platform instance.
+ * @protocol_id: The protocol being requested.
+ *
+ * In case the required protocol has never been requested before for this
+ * instance, allocate and initialize all the needed structures while handling
+ * resource allocation with a dedicated per-protocol devres subgroup.
+ *
+ * Return: A reference to an initialized protocol instance or error on failure.
+ */
+static struct scmi_protocol_instance * __must_check
+scmi_get_protocol_instance(const struct scmi_handle *handle, u8 protocol_id)
+{
+	int ret = -ENOMEM;
+	void *gid;
+	struct scmi_protocol_instance *pi;
+	struct scmi_info *info = handle_to_scmi_info(handle);
+
+	mutex_lock(&info->protocols_mtx);
+	pi = idr_find(&info->protocols, protocol_id);
+
+	if (pi) {
+		refcount_inc(&pi->users);
+	} else {
+		const struct scmi_protocol *proto;
+
+		/* Fail if protocol not registered on bus */
+		proto = scmi_get_protocol(protocol_id);
+		if (!proto) {
+			ret = -EPROBE_DEFER;
+			goto out;
+		}
+
+		/* Protocol specific devres group */
+		gid = devres_open_group(handle->dev, NULL, GFP_KERNEL);
+		if (!gid)
+			goto out;
+
+		pi = devm_kzalloc(handle->dev, sizeof(*pi), GFP_KERNEL);
+		if (!pi)
+			goto clean;
+
+		pi->gid = gid;
+		pi->proto = proto;
+		pi->handle = handle;
+		pi->ph.dev = handle->dev;
+		pi->ph.xops = &xfer_ops;
+		pi->ph.set_priv = scmi_set_protocol_priv;
+		pi->ph.get_priv = scmi_get_protocol_priv;
+		refcount_set(&pi->users, 1);
+		/* proto->init is assured NON NULL by scmi_protocol_register */
+		ret = pi->proto->init_instance(&pi->ph);
+		if (ret)
+			goto clean;
+
+		ret = idr_alloc(&info->protocols, pi,
+				protocol_id, protocol_id + 1, GFP_KERNEL);
+		if (ret != protocol_id)
+			goto clean;
+
+		if (pi->proto->events)
+			scmi_register_protocol_events(handle, pi->proto->id,
+						      &pi->ph,
+						      pi->proto->events);
+
+		devres_close_group(handle->dev, pi->gid);
+		dev_dbg(handle->dev, "Initialized protocol: 0x%X\n",
+			protocol_id);
+	}
+	mutex_unlock(&info->protocols_mtx);
+
+	return pi;
+
+clean:
+	scmi_put_protocol(protocol_id);
+	devres_release_group(handle->dev, gid);
+out:
+	mutex_unlock(&info->protocols_mtx);
+	return ERR_PTR(ret);
+}
+
+/**
+ * scmi_acquire_protocol  - Protocol acquire
+ * @handle: A reference to the SCMI platform instance.
+ * @protocol_id: The protocol being requested.
+ *
+ * Register a new user for the requested protocol on the specified SCMI
+ * platform instance, possibly triggering its initialization on first user.
+ *
+ * Return: 0 if protocol was acquired successfully.
+ */
+int scmi_acquire_protocol(const struct scmi_handle *handle, u8 protocol_id)
+{
+	return PTR_ERR_OR_ZERO(scmi_get_protocol_instance(handle, protocol_id));
+}
+
+/**
+ * scmi_release_protocol  - Protocol de-initialization helper.
+ * @handle: A reference to the SCMI platform instance.
+ * @protocol_id: The protocol being requested.
+ *
+ * Remove one user for the specified protocol and triggers de-initialization
+ * and resources de-allocation once the last user has gone.
+ */
+void scmi_release_protocol(const struct scmi_handle *handle, u8 protocol_id)
 {
 	struct scmi_info *info = handle_to_scmi_info(handle);
+	struct scmi_protocol_instance *pi;
+
+	mutex_lock(&info->protocols_mtx);
+	pi = idr_find(&info->protocols, protocol_id);
+	if (WARN_ON(!pi))
+		goto out;
+
+	if (refcount_dec_and_test(&pi->users)) {
+		void *gid = pi->gid;
+
+		if (pi->proto->events)
+			scmi_deregister_protocol_events(handle, protocol_id);
+
+		if (pi->proto->deinit_instance)
+			pi->proto->deinit_instance(&pi->ph);
+
+		idr_remove(&info->protocols, protocol_id);
+
+		scmi_put_protocol(protocol_id);
+
+		devres_release_group(handle->dev, gid);
+		dev_dbg(handle->dev, "De-Initialized protocol: 0x%X\n",
+			protocol_id);
+	}
+
+out:
+	mutex_unlock(&info->protocols_mtx);
+}
+
+void scmi_setup_protocol_implemented(const struct scmi_protocol_handle *ph,
+				     u8 *prot_imp)
+{
+	const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+	struct scmi_info *info = handle_to_scmi_info(pi->handle);
 
 	info->protocols_imp = prot_imp;
 }
@@ -551,6 +832,141 @@
 	return false;
 }
 
+struct scmi_protocol_devres {
+	const struct scmi_handle *handle;
+	u8 protocol_id;
+};
+
+static void scmi_devm_release_protocol(struct device *dev, void *res)
+{
+	struct scmi_protocol_devres *dres = res;
+
+	scmi_release_protocol(dres->handle, dres->protocol_id);
+}
+
+static struct scmi_protocol_instance __must_check *
+__scmi_devres_get_protocol_instance(struct scmi_device *sdev, u8 protocol_id)
+{
+	struct scmi_protocol_devres *dres;
+	struct scmi_protocol_instance *pi;
+
+	dres = devres_alloc(scmi_devm_release_protocol,
+			    sizeof(*dres), GFP_KERNEL);
+	if (!dres)
+		return ERR_PTR(-ENOMEM);
+
+	pi = scmi_get_protocol_instance(sdev->handle, protocol_id);
+	if (IS_ERR(pi)) {
+		devres_free(dres);
+		return pi;
+	}
+
+	dres->handle = sdev->handle;
+	dres->protocol_id = protocol_id;
+	devres_add(&sdev->dev, dres);
+
+	return pi;
+}
+
+/**
+ * scmi_devm_get_protocol  - Devres managed get protocol operations and handle
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ *	  be used for devres accounting.
+ * @protocol_id: The protocol being requested.
+ * @ph: A pointer reference used to pass back the associated protocol handle.
+ *
+ * Get hold of a protocol accounting for its usage, eventually triggering its
+ * initialization, and returning the protocol specific operations and related
+ * protocol handle which will be used as first argument in most of the
+ * protocols operations methods.
+ * Being a devres based managed method, protocol hold will be automatically
+ * released, and possibly de-initialized on last user, once the SCMI driver
+ * owning the scmi_device is unbound from it.
+ *
+ * Return: A reference to the requested protocol operations or error.
+ *	   Must be checked for errors by caller.
+ */
+static const void __must_check *
+scmi_devm_get_protocol(struct scmi_device *sdev, u8 protocol_id,
+		       struct scmi_protocol_handle **ph)
+{
+	struct scmi_protocol_instance *pi;
+
+	if (!ph)
+		return ERR_PTR(-EINVAL);
+
+	pi = __scmi_devres_get_protocol_instance(sdev, protocol_id);
+	if (IS_ERR(pi))
+		return pi;
+
+	*ph = &pi->ph;
+
+	return pi->proto->ops;
+}
+
+/**
+ * scmi_devm_acquire_protocol  - Devres managed helper to get hold of a protocol
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ *	  be used for devres accounting.
+ * @protocol_id: The protocol being requested.
+ *
+ * Get hold of a protocol accounting for its usage, possibly triggering its
+ * initialization but without getting access to its protocol specific operations
+ * and handle.
+ *
+ * Being a devres based managed method, protocol hold will be automatically
+ * released, and possibly de-initialized on last user, once the SCMI driver
+ * owning the scmi_device is unbound from it.
+ *
+ * Return: 0 on SUCCESS
+ */
+static int __must_check scmi_devm_acquire_protocol(struct scmi_device *sdev,
+						   u8 protocol_id)
+{
+	struct scmi_protocol_instance *pi;
+
+	pi = __scmi_devres_get_protocol_instance(sdev, protocol_id);
+	if (IS_ERR(pi))
+		return PTR_ERR(pi);
+
+	return 0;
+}
+
+static int scmi_devm_protocol_match(struct device *dev, void *res, void *data)
+{
+	struct scmi_protocol_devres *dres = res;
+
+	if (WARN_ON(!dres || !data))
+		return 0;
+
+	return dres->protocol_id == *((u8 *)data);
+}
+
+/**
+ * scmi_devm_put_protocol  - Devres managed put protocol operations and handle
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ *	  be used for devres accounting.
+ * @protocol_id: The protocol being requested.
+ *
+ * Explicitly release a protocol hold previously obtained calling the above
+ * @scmi_devm_get_protocol_ops.
+ */
+static void scmi_devm_put_protocol(struct scmi_device *sdev, u8 protocol_id)
+{
+	int ret;
+
+	ret = devres_release(&sdev->dev, scmi_devm_release_protocol,
+			     scmi_devm_protocol_match, &protocol_id);
+	WARN_ON(ret);
+}
+
+static inline
+struct scmi_handle *scmi_handle_get_from_info(struct scmi_info *info)
+{
+	info->users++;
+	return &info->handle;
+}
+
 /**
  * scmi_handle_get() - Get the SCMI handle for a device
  *
@@ -572,8 +988,7 @@
 	list_for_each(p, &scmi_list) {
 		info = list_entry(p, struct scmi_info, node);
 		if (dev->parent == info->dev) {
-			handle = &info->handle;
-			info->users++;
+			handle = scmi_handle_get_from_info(info);
 			break;
 		}
 	}
@@ -721,62 +1136,267 @@
 	return ret;
 }
 
+/**
+ * scmi_get_protocol_device  - Helper to get/create an SCMI device.
+ *
+ * @np: A device node representing a valid active protocols for the referred
+ * SCMI instance.
+ * @info: The referred SCMI instance for which we are getting/creating this
+ * device.
+ * @prot_id: The protocol ID.
+ * @name: The device name.
+ *
+ * Referring to the specific SCMI instance identified by @info, this helper
+ * takes care to return a properly initialized device matching the requested
+ * @proto_id and @name: if device was still not existent it is created as a
+ * child of the specified SCMI instance @info and its transport properly
+ * initialized as usual.
+ */
+static inline struct scmi_device *
+scmi_get_protocol_device(struct device_node *np, struct scmi_info *info,
+			 int prot_id, const char *name)
+{
+	struct scmi_device *sdev;
+
+	/* Already created for this parent SCMI instance ? */
+	sdev = scmi_find_child_dev(info->dev, prot_id, name);
+	if (sdev)
+		return sdev;
+
+	pr_debug("Creating SCMI device (%s) for protocol %x\n", name, prot_id);
+
+	sdev = scmi_device_create(np, info->dev, prot_id, name);
+	if (!sdev) {
+		dev_err(info->dev, "failed to create %d protocol device\n",
+			prot_id);
+		return NULL;
+	}
+
+	if (scmi_txrx_setup(info, &sdev->dev, prot_id)) {
+		dev_err(&sdev->dev, "failed to setup transport\n");
+		scmi_device_destroy(sdev);
+		return NULL;
+	}
+
+	return sdev;
+}
+
 static inline void
 scmi_create_protocol_device(struct device_node *np, struct scmi_info *info,
 			    int prot_id, const char *name)
 {
 	struct scmi_device *sdev;
 
-	sdev = scmi_device_create(np, info->dev, prot_id, name);
-	if (!sdev) {
-		dev_err(info->dev, "failed to create %d protocol device\n",
-			prot_id);
+	sdev = scmi_get_protocol_device(np, info, prot_id, name);
+	if (!sdev)
 		return;
-	}
-
-	if (scmi_txrx_setup(info, &sdev->dev, prot_id)) {
-		dev_err(&sdev->dev, "failed to setup transport\n");
-		scmi_device_destroy(sdev);
-		return;
-	}
 
 	/* setup handle now as the transport is ready */
 	scmi_set_handle(sdev);
 }
 
-#define MAX_SCMI_DEV_PER_PROTOCOL	2
-struct scmi_prot_devnames {
-	int protocol_id;
-	char *names[MAX_SCMI_DEV_PER_PROTOCOL];
-};
-
-static struct scmi_prot_devnames devnames[] = {
-	{ SCMI_PROTOCOL_POWER,  { "genpd" },},
-	{ SCMI_PROTOCOL_SYSTEM, { "syspower" },},
-	{ SCMI_PROTOCOL_PERF,   { "cpufreq" },},
-	{ SCMI_PROTOCOL_CLOCK,  { "clocks" },},
-	{ SCMI_PROTOCOL_SENSOR, { "hwmon" },},
-	{ SCMI_PROTOCOL_RESET,  { "reset" },},
-};
-
-static inline void
-scmi_create_protocol_devices(struct device_node *np, struct scmi_info *info,
-			     int prot_id)
+/**
+ * scmi_create_protocol_devices  - Create devices for all pending requests for
+ * this SCMI instance.
+ *
+ * @np: The device node describing the protocol
+ * @info: The SCMI instance descriptor
+ * @prot_id: The protocol ID
+ *
+ * All devices previously requested for this instance (if any) are found and
+ * created by scanning the proper @&scmi_requested_devices entry.
+ */
+static void scmi_create_protocol_devices(struct device_node *np,
+					 struct scmi_info *info, int prot_id)
 {
-	int loop, cnt;
+	struct list_head *phead;
 
-	for (loop = 0; loop < ARRAY_SIZE(devnames); loop++) {
-		if (devnames[loop].protocol_id != prot_id)
-			continue;
+	mutex_lock(&scmi_requested_devices_mtx);
+	phead = idr_find(&scmi_requested_devices, prot_id);
+	if (phead) {
+		struct scmi_requested_dev *rdev;
 
-		for (cnt = 0; cnt < ARRAY_SIZE(devnames[loop].names); cnt++) {
-			const char *name = devnames[loop].names[cnt];
+		list_for_each_entry(rdev, phead, node)
+			scmi_create_protocol_device(np, info, prot_id,
+						    rdev->id_table->name);
+	}
+	mutex_unlock(&scmi_requested_devices_mtx);
+}
 
-			if (name)
-				scmi_create_protocol_device(np, info, prot_id,
-							    name);
+/**
+ * scmi_request_protocol_device  - Helper to request a device
+ *
+ * @id_table: A protocol/name pair descriptor for the device to be created.
+ *
+ * This helper let an SCMI driver request specific devices identified by the
+ * @id_table to be created for each active SCMI instance.
+ *
+ * The requested device name MUST NOT be already existent for any protocol;
+ * at first the freshly requested @id_table is annotated in the IDR table
+ * @scmi_requested_devices, then a matching device is created for each already
+ * active SCMI instance. (if any)
+ *
+ * This way the requested device is created straight-away for all the already
+ * initialized(probed) SCMI instances (handles) and it remains also annotated
+ * as pending creation if the requesting SCMI driver was loaded before some
+ * SCMI instance and related transports were available: when such late instance
+ * is probed, its probe will take care to scan the list of pending requested
+ * devices and create those on its own (see @scmi_create_protocol_devices and
+ * its enclosing loop)
+ *
+ * Return: 0 on Success
+ */
+int scmi_request_protocol_device(const struct scmi_device_id *id_table)
+{
+	int ret = 0;
+	unsigned int id = 0;
+	struct list_head *head, *phead = NULL;
+	struct scmi_requested_dev *rdev;
+	struct scmi_info *info;
+
+	pr_debug("Requesting SCMI device (%s) for protocol %x\n",
+		 id_table->name, id_table->protocol_id);
+
+	/*
+	 * Search for the matching protocol rdev list and then search
+	 * of any existent equally named device...fails if any duplicate found.
+	 */
+	mutex_lock(&scmi_requested_devices_mtx);
+	idr_for_each_entry(&scmi_requested_devices, head, id) {
+		if (!phead) {
+			/* A list found registered in the IDR is never empty */
+			rdev = list_first_entry(head, struct scmi_requested_dev,
+						node);
+			if (rdev->id_table->protocol_id ==
+			    id_table->protocol_id)
+				phead = head;
+		}
+		list_for_each_entry(rdev, head, node) {
+			if (!strcmp(rdev->id_table->name, id_table->name)) {
+				pr_err("Ignoring duplicate request [%d] %s\n",
+				       rdev->id_table->protocol_id,
+				       rdev->id_table->name);
+				ret = -EINVAL;
+				goto out;
+			}
 		}
 	}
+
+	/*
+	 * No duplicate found for requested id_table, so let's create a new
+	 * requested device entry for this new valid request.
+	 */
+	rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
+	if (!rdev) {
+		ret = -ENOMEM;
+		goto out;
+	}
+	rdev->id_table = id_table;
+
+	/*
+	 * Append the new requested device table descriptor to the head of the
+	 * related protocol list, eventually creating such head if not already
+	 * there.
+	 */
+	if (!phead) {
+		phead = kzalloc(sizeof(*phead), GFP_KERNEL);
+		if (!phead) {
+			kfree(rdev);
+			ret = -ENOMEM;
+			goto out;
+		}
+		INIT_LIST_HEAD(phead);
+
+		ret = idr_alloc(&scmi_requested_devices, (void *)phead,
+				id_table->protocol_id,
+				id_table->protocol_id + 1, GFP_KERNEL);
+		if (ret != id_table->protocol_id) {
+			pr_err("Failed to save SCMI device - ret:%d\n", ret);
+			kfree(rdev);
+			kfree(phead);
+			ret = -EINVAL;
+			goto out;
+		}
+		ret = 0;
+	}
+	list_add(&rdev->node, phead);
+
+	/*
+	 * Now effectively create and initialize the requested device for every
+	 * already initialized SCMI instance which has registered the requested
+	 * protocol as a valid active one: i.e. defined in DT and supported by
+	 * current platform FW.
+	 */
+	mutex_lock(&scmi_list_mutex);
+	list_for_each_entry(info, &scmi_list, node) {
+		struct device_node *child;
+
+		child = idr_find(&info->active_protocols,
+				 id_table->protocol_id);
+		if (child) {
+			struct scmi_device *sdev;
+
+			sdev = scmi_get_protocol_device(child, info,
+							id_table->protocol_id,
+							id_table->name);
+			/* Set handle if not already set: device existed */
+			if (sdev && !sdev->handle)
+				sdev->handle = scmi_handle_get_from_info(info);
+		} else {
+			dev_err(info->dev,
+				"Failed. SCMI protocol %d not active.\n",
+				id_table->protocol_id);
+		}
+	}
+	mutex_unlock(&scmi_list_mutex);
+
+out:
+	mutex_unlock(&scmi_requested_devices_mtx);
+
+	return ret;
+}
+
+/**
+ * scmi_unrequest_protocol_device  - Helper to unrequest a device
+ *
+ * @id_table: A protocol/name pair descriptor for the device to be unrequested.
+ *
+ * An helper to let an SCMI driver release its request about devices; note that
+ * devices are created and initialized once the first SCMI driver request them
+ * but they destroyed only on SCMI core unloading/unbinding.
+ *
+ * The current SCMI transport layer uses such devices as internal references and
+ * as such they could be shared as same transport between multiple drivers so
+ * that cannot be safely destroyed till the whole SCMI stack is removed.
+ * (unless adding further burden of refcounting.)
+ */
+void scmi_unrequest_protocol_device(const struct scmi_device_id *id_table)
+{
+	struct list_head *phead;
+
+	pr_debug("Unrequesting SCMI device (%s) for protocol %x\n",
+		 id_table->name, id_table->protocol_id);
+
+	mutex_lock(&scmi_requested_devices_mtx);
+	phead = idr_find(&scmi_requested_devices, id_table->protocol_id);
+	if (phead) {
+		struct scmi_requested_dev *victim, *tmp;
+
+		list_for_each_entry_safe(victim, tmp, phead, node) {
+			if (!strcmp(victim->id_table->name, id_table->name)) {
+				list_del(&victim->node);
+				kfree(victim);
+				break;
+			}
+		}
+
+		if (list_empty(phead)) {
+			idr_remove(&scmi_requested_devices,
+				   id_table->protocol_id);
+			kfree(phead);
+		}
+	}
+	mutex_unlock(&scmi_requested_devices_mtx);
 }
 
 static int scmi_probe(struct platform_device *pdev)
@@ -799,6 +1419,9 @@
 	info->dev = dev;
 	info->desc = desc;
 	INIT_LIST_HEAD(&info->node);
+	idr_init(&info->protocols);
+	mutex_init(&info->protocols_mtx);
+	idr_init(&info->active_protocols);
 
 	platform_set_drvdata(pdev, info);
 	idr_init(&info->tx_idr);
@@ -807,6 +1430,9 @@
 	handle = &info->handle;
 	handle->dev = info->dev;
 	handle->version = &info->version;
+	handle->devm_acquire_protocol = scmi_devm_acquire_protocol;
+	handle->devm_get_protocol = scmi_devm_get_protocol;
+	handle->devm_put_protocol = scmi_devm_put_protocol;
 
 	ret = scmi_txrx_setup(info, dev, SCMI_PROTOCOL_BASE);
 	if (ret)
@@ -819,9 +1445,14 @@
 	if (scmi_notification_init(handle))
 		dev_err(dev, "SCMI Notifications NOT available.\n");
 
-	ret = scmi_base_protocol_init(handle);
+	/*
+	 * Trigger SCMI Base protocol initialization.
+	 * It's mandatory and won't be ever released/deinit until the
+	 * SCMI stack is shutdown/unloaded as a whole.
+	 */
+	ret = scmi_acquire_protocol(handle, SCMI_PROTOCOL_BASE);
 	if (ret) {
-		dev_err(dev, "unable to communicate with SCMI(%d)\n", ret);
+		dev_err(dev, "unable to communicate with SCMI\n");
 		return ret;
 	}
 
@@ -844,6 +1475,19 @@
 			continue;
 		}
 
+		/*
+		 * Save this valid DT protocol descriptor amongst
+		 * @active_protocols for this SCMI instance/
+		 */
+		ret = idr_alloc(&info->active_protocols, child,
+				prot_id, prot_id + 1, GFP_KERNEL);
+		if (ret != prot_id) {
+			dev_err(dev, "SCMI protocol %d already activated. Skip\n",
+				prot_id);
+			continue;
+		}
+
+		of_node_get(child);
 		scmi_create_protocol_devices(child, info, prot_id);
 	}
 
@@ -857,9 +1501,10 @@
 
 static int scmi_remove(struct platform_device *pdev)
 {
-	int ret = 0;
+	int ret = 0, id;
 	struct scmi_info *info = platform_get_drvdata(pdev);
 	struct idr *idr = &info->tx_idr;
+	struct device_node *child;
 
 	mutex_lock(&scmi_list_mutex);
 	if (info->users)
@@ -873,6 +1518,14 @@
 
 	scmi_notification_exit(&info->handle);
 
+	mutex_lock(&info->protocols_mtx);
+	idr_destroy(&info->protocols);
+	mutex_unlock(&info->protocols_mtx);
+
+	idr_for_each_entry(&info->active_protocols, child, id)
+		of_node_put(child);
+	idr_destroy(&info->active_protocols);
+
 	/* Safe to free channels since no more users */
 	ret = idr_for_each(idr, info->desc->ops->chan_free, idr);
 	idr_destroy(&info->tx_idr);
@@ -958,11 +1611,14 @@
 {
 	scmi_bus_init();
 
+	scmi_base_register();
+
 	scmi_clock_register();
 	scmi_perf_register();
 	scmi_power_register();
 	scmi_reset_register();
 	scmi_sensors_register();
+	scmi_voltage_register();
 	scmi_system_register();
 
 	return platform_driver_register(&scmi_driver);
@@ -971,15 +1627,18 @@
 
 static void __exit scmi_driver_exit(void)
 {
-	scmi_bus_exit();
+	scmi_base_unregister();
 
 	scmi_clock_unregister();
 	scmi_perf_unregister();
 	scmi_power_unregister();
 	scmi_reset_unregister();
 	scmi_sensors_unregister();
+	scmi_voltage_unregister();
 	scmi_system_unregister();
 
+	scmi_bus_exit();
+
 	platform_driver_unregister(&scmi_driver);
 }
 module_exit(scmi_driver_exit);
diff --git a/drivers/firmware/arm_scmi/notify.c b/drivers/firmware/arm_scmi/notify.c
index 66196b2..3937425 100644
--- a/drivers/firmware/arm_scmi/notify.c
+++ b/drivers/firmware/arm_scmi/notify.c
@@ -91,6 +91,7 @@
 #include <linux/types.h>
 #include <linux/workqueue.h>
 
+#include "common.h"
 #include "notify.h"
 
 #define SCMI_MAX_PROTO		256
@@ -177,7 +178,7 @@
 #define REVT_NOTIFY_SET_STATUS(revt, eid, sid, state)		\
 ({								\
 	typeof(revt) r = revt;					\
-	r->proto->ops->set_notify_enabled(r->proto->ni->handle,	\
+	r->proto->ops->set_notify_enabled(r->proto->ph,		\
 					(eid), (sid), (state));	\
 })
 
@@ -190,7 +191,7 @@
 #define REVT_FILL_REPORT(revt, ...)				\
 ({								\
 	typeof(revt) r = revt;					\
-	r->proto->ops->fill_custom_report(r->proto->ni->handle,	\
+	r->proto->ops->fill_custom_report(r->proto->ph,		\
 					  __VA_ARGS__);		\
 })
 
@@ -278,6 +279,7 @@
  *		       events' descriptors, whose fixed-size is determined at
  *		       compile time.
  * @registered_mtx: A mutex to protect @registered_events_handlers
+ * @ph: SCMI protocol handle reference
  * @registered_events_handlers: An hashtable containing all events' handlers
  *				descriptors registered for this protocol
  *
@@ -302,6 +304,7 @@
 	struct scmi_registered_event	**registered_events;
 	/* mutex to protect registered_events_handlers */
 	struct mutex			registered_mtx;
+	const struct scmi_protocol_handle	*ph;
 	DECLARE_HASHTABLE(registered_events_handlers, SCMI_REGISTERED_HASH_SZ);
 };
 
@@ -368,7 +371,7 @@
 scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key);
 static void scmi_put_active_handler(struct scmi_notify_instance *ni,
 				    struct scmi_event_handler *hndl);
-static void scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
+static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
 				      struct scmi_event_handler *hndl);
 
 /**
@@ -579,11 +582,9 @@
 	struct scmi_event_header eh;
 	struct scmi_notify_instance *ni;
 
-	/* Ensure notify_priv is updated */
-	smp_rmb();
-	if (!handle->notify_priv)
+	ni = scmi_get_notification_instance_data(handle);
+	if (!ni)
 		return 0;
-	ni = handle->notify_priv;
 
 	r_evt = SCMI_GET_REVT(ni, proto_id, evt_id);
 	if (!r_evt)
@@ -732,14 +733,10 @@
 /**
  * scmi_register_protocol_events()  - Register Protocol Events with the core
  * @handle: The handle identifying the platform instance against which the
- *	    the protocol's events are registered
+ *	    protocol's events are registered
  * @proto_id: Protocol ID
- * @queue_sz: Size in bytes of the associated queue to be allocated
- * @ops: Protocol specific event-related operations
- * @evt: Event descriptor array
- * @num_events: Number of events in @evt array
- * @num_sources: Number of possible sources for this protocol on this
- *		 platform.
+ * @ph: SCMI protocol handle.
+ * @ee: A structure describing the events supported by this protocol.
  *
  * Used by SCMI Protocols initialization code to register with the notification
  * core the list of supported events and their descriptors: takes care to
@@ -748,40 +745,49 @@
  *
  * Return: 0 on Success
  */
-int scmi_register_protocol_events(const struct scmi_handle *handle,
-				  u8 proto_id, size_t queue_sz,
-				  const struct scmi_event_ops *ops,
-				  const struct scmi_event *evt, int num_events,
-				  int num_sources)
+int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
+				  const struct scmi_protocol_handle *ph,
+				  const struct scmi_protocol_events *ee)
 {
 	int i;
+	unsigned int num_sources;
 	size_t payld_sz = 0;
 	struct scmi_registered_events_desc *pd;
 	struct scmi_notify_instance *ni;
+	const struct scmi_event *evt;
 
-	if (!ops || !evt)
+	if (!ee || !ee->ops || !ee->evts || !ph ||
+	    (!ee->num_sources && !ee->ops->get_num_sources))
 		return -EINVAL;
 
-	/* Ensure notify_priv is updated */
-	smp_rmb();
-	if (!handle->notify_priv)
-		return -ENOMEM;
-	ni = handle->notify_priv;
-
-	/* Attach to the notification main devres group */
-	if (!devres_open_group(ni->handle->dev, ni->gid, GFP_KERNEL))
+	ni = scmi_get_notification_instance_data(handle);
+	if (!ni)
 		return -ENOMEM;
 
-	for (i = 0; i < num_events; i++)
+	/* num_sources cannot be <= 0 */
+	if (ee->num_sources) {
+		num_sources = ee->num_sources;
+	} else {
+		int nsrc = ee->ops->get_num_sources(ph);
+
+		if (nsrc <= 0)
+			return -EINVAL;
+		num_sources = nsrc;
+	}
+
+	evt = ee->evts;
+	for (i = 0; i < ee->num_events; i++)
 		payld_sz = max_t(size_t, payld_sz, evt[i].max_payld_sz);
 	payld_sz += sizeof(struct scmi_event_header);
 
-	pd = scmi_allocate_registered_events_desc(ni, proto_id, queue_sz,
-						  payld_sz, num_events, ops);
+	pd = scmi_allocate_registered_events_desc(ni, proto_id, ee->queue_sz,
+						  payld_sz, ee->num_events,
+						  ee->ops);
 	if (IS_ERR(pd))
 		goto err;
 
-	for (i = 0; i < num_events; i++, evt++) {
+	pd->ph = ph;
+	for (i = 0; i < ee->num_events; i++, evt++) {
 		struct scmi_registered_event *r_evt;
 
 		r_evt = devm_kzalloc(ni->handle->dev, sizeof(*r_evt),
@@ -815,8 +821,6 @@
 	/* Ensure protocols are updated */
 	smp_wmb();
 
-	devres_close_group(ni->handle->dev, ni->gid);
-
 	/*
 	 * Finalize any pending events' handler which could have been waiting
 	 * for this protocol's events registration.
@@ -827,13 +831,38 @@
 
 err:
 	dev_warn(handle->dev, "Proto:%X - Registration Failed !\n", proto_id);
-	/* A failing protocol registration does not trigger full failure */
-	devres_close_group(ni->handle->dev, ni->gid);
 
 	return -ENOMEM;
 }
 
 /**
+ * scmi_deregister_protocol_events  - Deregister protocol events with the core
+ * @handle: The handle identifying the platform instance against which the
+ *	    protocol's events are registered
+ * @proto_id: Protocol ID
+ */
+void scmi_deregister_protocol_events(const struct scmi_handle *handle,
+				     u8 proto_id)
+{
+	struct scmi_notify_instance *ni;
+	struct scmi_registered_events_desc *pd;
+
+	ni = scmi_get_notification_instance_data(handle);
+	if (!ni)
+		return;
+
+	pd = ni->registered_protocols[proto_id];
+	if (!pd)
+		return;
+
+	ni->registered_protocols[proto_id] = NULL;
+	/* Ensure protocols are updated */
+	smp_wmb();
+
+	cancel_work_sync(&pd->equeue.notify_work);
+}
+
+/**
  * scmi_allocate_event_handler()  - Allocate Event handler
  * @ni: A reference to the notification instance to use
  * @evt_key: 32bit key uniquely bind to the event identified by the tuple
@@ -900,9 +929,21 @@
 	if (!r_evt)
 		return -EINVAL;
 
-	/* Remove from pending and insert into registered */
+	/*
+	 * Remove from pending and insert into registered while getting hold
+	 * of protocol instance.
+	 */
 	hash_del(&hndl->hash);
+	/*
+	 * Acquire protocols only for NON pending handlers, so as NOT to trigger
+	 * protocol initialization when a notifier is registered against a still
+	 * not registered protocol, since it would make little sense to force init
+	 * protocols for which still no SCMI driver user exists: they wouldn't
+	 * emit any event anyway till some SCMI driver starts using it.
+	 */
+	scmi_acquire_protocol(ni->handle, KEY_XTRACT_PROTO_ID(hndl->key));
 	hndl->r_evt = r_evt;
+
 	mutex_lock(&r_evt->proto->registered_mtx);
 	hash_add(r_evt->proto->registered_events_handlers,
 		 &hndl->hash, hndl->key);
@@ -1193,41 +1234,65 @@
  * * unregister and free the handler itself
  *
  * Context: Assumes all the proper locking has been managed by the caller.
+ *
+ * Return: True if handler was freed (users dropped to zero)
  */
-static void scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
+static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
 				      struct scmi_event_handler *hndl)
 {
+	bool freed = false;
+
 	if (refcount_dec_and_test(&hndl->users)) {
 		if (!IS_HNDL_PENDING(hndl))
 			scmi_disable_events(hndl);
 		scmi_free_event_handler(hndl);
+		freed = true;
 	}
+
+	return freed;
 }
 
 static void scmi_put_handler(struct scmi_notify_instance *ni,
 			     struct scmi_event_handler *hndl)
 {
+	bool freed;
+	u8 protocol_id;
 	struct scmi_registered_event *r_evt = hndl->r_evt;
 
 	mutex_lock(&ni->pending_mtx);
-	if (r_evt)
+	if (r_evt) {
+		protocol_id = r_evt->proto->id;
 		mutex_lock(&r_evt->proto->registered_mtx);
+	}
 
-	scmi_put_handler_unlocked(ni, hndl);
+	freed = scmi_put_handler_unlocked(ni, hndl);
 
-	if (r_evt)
+	if (r_evt) {
 		mutex_unlock(&r_evt->proto->registered_mtx);
+		/*
+		 * Only registered handler acquired protocol; must be here
+		 * released only AFTER unlocking registered_mtx, since
+		 * releasing a protocol can trigger its de-initialization
+		 * (ie. including r_evt and registered_mtx)
+		 */
+		if (freed)
+			scmi_release_protocol(ni->handle, protocol_id);
+	}
 	mutex_unlock(&ni->pending_mtx);
 }
 
 static void scmi_put_active_handler(struct scmi_notify_instance *ni,
 				    struct scmi_event_handler *hndl)
 {
+	bool freed;
 	struct scmi_registered_event *r_evt = hndl->r_evt;
+	u8 protocol_id = r_evt->proto->id;
 
 	mutex_lock(&r_evt->proto->registered_mtx);
-	scmi_put_handler_unlocked(ni, hndl);
+	freed = scmi_put_handler_unlocked(ni, hndl);
 	mutex_unlock(&r_evt->proto->registered_mtx);
+	if (freed)
+		scmi_release_protocol(ni->handle, protocol_id);
 }
 
 /**
@@ -1288,11 +1353,9 @@
 	struct scmi_event_handler *hndl;
 	struct scmi_notify_instance *ni;
 
-	/* Ensure notify_priv is updated */
-	smp_rmb();
-	if (!handle->notify_priv)
+	ni = scmi_get_notification_instance_data(handle);
+	if (!ni)
 		return -ENODEV;
-	ni = handle->notify_priv;
 
 	evt_key = MAKE_HASH_KEY(proto_id, evt_id,
 				src_id ? *src_id : SRC_ID_MASK);
@@ -1336,11 +1399,9 @@
 	struct scmi_event_handler *hndl;
 	struct scmi_notify_instance *ni;
 
-	/* Ensure notify_priv is updated */
-	smp_rmb();
-	if (!handle->notify_priv)
+	ni = scmi_get_notification_instance_data(handle);
+	if (!ni)
 		return -ENODEV;
-	ni = handle->notify_priv;
 
 	evt_key = MAKE_HASH_KEY(proto_id, evt_id,
 				src_id ? *src_id : SRC_ID_MASK);
@@ -1371,6 +1432,127 @@
 	return 0;
 }
 
+struct scmi_notifier_devres {
+	const struct scmi_handle *handle;
+	u8 proto_id;
+	u8 evt_id;
+	u32 __src_id;
+	u32 *src_id;
+	struct notifier_block *nb;
+};
+
+static void scmi_devm_release_notifier(struct device *dev, void *res)
+{
+	struct scmi_notifier_devres *dres = res;
+
+	scmi_unregister_notifier(dres->handle, dres->proto_id, dres->evt_id,
+				 dres->src_id, dres->nb);
+}
+
+/**
+ * scmi_devm_register_notifier()  - Managed registration of a notifier_block
+ * for an event
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ *	  be used for devres accounting.
+ * @proto_id: Protocol ID
+ * @evt_id: Event ID
+ * @src_id: Source ID, when NULL register for events coming form ALL possible
+ *	    sources
+ * @nb: A standard notifier block to register for the specified event
+ *
+ * Generic devres managed helper to register a notifier_block against a
+ * protocol event.
+ */
+static int scmi_devm_register_notifier(struct scmi_device *sdev,
+				       u8 proto_id, u8 evt_id, u32 *src_id,
+				       struct notifier_block *nb)
+{
+	int ret;
+	struct scmi_notifier_devres *dres;
+
+	dres = devres_alloc(scmi_devm_release_notifier,
+			    sizeof(*dres), GFP_KERNEL);
+	if (!dres)
+		return -ENOMEM;
+
+	ret = scmi_register_notifier(sdev->handle, proto_id,
+				     evt_id, src_id, nb);
+	if (ret) {
+		devres_free(dres);
+		return ret;
+	}
+
+	dres->handle = sdev->handle;
+	dres->proto_id = proto_id;
+	dres->evt_id = evt_id;
+	dres->nb = nb;
+	if (src_id) {
+		dres->__src_id = *src_id;
+		dres->src_id = &dres->__src_id;
+	} else {
+		dres->src_id = NULL;
+	}
+	devres_add(&sdev->dev, dres);
+
+	return ret;
+}
+
+static int scmi_devm_notifier_match(struct device *dev, void *res, void *data)
+{
+	struct scmi_notifier_devres *dres = res;
+	struct scmi_notifier_devres *xres = data;
+
+	if (WARN_ON(!dres || !xres))
+		return 0;
+
+	return dres->proto_id == xres->proto_id &&
+		dres->evt_id == xres->evt_id &&
+		dres->nb == xres->nb &&
+		((!dres->src_id && !xres->src_id) ||
+		  (dres->src_id && xres->src_id &&
+		   dres->__src_id == xres->__src_id));
+}
+
+/**
+ * scmi_devm_unregister_notifier()  - Managed un-registration of a
+ * notifier_block for an event
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ *	  be used for devres accounting.
+ * @proto_id: Protocol ID
+ * @evt_id: Event ID
+ * @src_id: Source ID, when NULL register for events coming form ALL possible
+ *	    sources
+ * @nb: A standard notifier block to register for the specified event
+ *
+ * Generic devres managed helper to explicitly un-register a notifier_block
+ * against a protocol event, which was previously registered using the above
+ * @scmi_devm_register_notifier.
+ */
+static int scmi_devm_unregister_notifier(struct scmi_device *sdev,
+					 u8 proto_id, u8 evt_id, u32 *src_id,
+					 struct notifier_block *nb)
+{
+	int ret;
+	struct scmi_notifier_devres dres;
+
+	dres.handle = sdev->handle;
+	dres.proto_id = proto_id;
+	dres.evt_id = evt_id;
+	if (src_id) {
+		dres.__src_id = *src_id;
+		dres.src_id = &dres.__src_id;
+	} else {
+		dres.src_id = NULL;
+	}
+
+	ret = devres_release(&sdev->dev, scmi_devm_release_notifier,
+			     scmi_devm_notifier_match, &dres);
+
+	WARN_ON(ret);
+
+	return ret;
+}
+
 /**
  * scmi_protocols_late_init()  - Worker for late initialization
  * @work: The work item to use associated to the proper SCMI instance
@@ -1428,6 +1610,8 @@
  * directly from an scmi_driver to register its own notifiers.
  */
 static const struct scmi_notify_ops notify_ops = {
+	.devm_register_event_notifier = scmi_devm_register_notifier,
+	.devm_unregister_event_notifier = scmi_devm_unregister_notifier,
 	.register_event_notifier = scmi_register_notifier,
 	.unregister_event_notifier = scmi_unregister_notifier,
 };
@@ -1490,8 +1674,8 @@
 
 	INIT_WORK(&ni->init_work, scmi_protocols_late_init);
 
+	scmi_set_notification_instance_data(handle, ni);
 	handle->notify_ops = &notify_ops;
-	handle->notify_priv = ni;
 	/* Ensure handle is up to date */
 	smp_wmb();
 
@@ -1503,7 +1687,7 @@
 
 err:
 	dev_warn(handle->dev, "Initialization Failed.\n");
-	devres_release_group(handle->dev, NULL);
+	devres_release_group(handle->dev, gid);
 	return -ENOMEM;
 }
 
@@ -1515,15 +1699,10 @@
 {
 	struct scmi_notify_instance *ni;
 
-	/* Ensure notify_priv is updated */
-	smp_rmb();
-	if (!handle->notify_priv)
+	ni = scmi_get_notification_instance_data(handle);
+	if (!ni)
 		return;
-	ni = handle->notify_priv;
-
-	handle->notify_priv = NULL;
-	/* Ensure handle is up to date */
-	smp_wmb();
+	scmi_set_notification_instance_data(handle, NULL);
 
 	/* Destroy while letting pending work complete */
 	destroy_workqueue(ni->notify_wq);
diff --git a/drivers/firmware/arm_scmi/notify.h b/drivers/firmware/arm_scmi/notify.h
index 3485f20..3915bcd 100644
--- a/drivers/firmware/arm_scmi/notify.h
+++ b/drivers/firmware/arm_scmi/notify.h
@@ -31,8 +31,12 @@
 	size_t	max_report_sz;
 };
 
+struct scmi_protocol_handle;
+
 /**
  * struct scmi_event_ops  - Protocol helpers called by the notification core.
+ * @get_num_sources: Returns the number of possible events' sources for this
+ *		     protocol
  * @set_notify_enabled: Enable/disable the required evt_id/src_id notifications
  *			using the proper custom protocol commands.
  *			Return 0 on Success
@@ -46,22 +50,42 @@
  *	    process context.
  */
 struct scmi_event_ops {
-	int (*set_notify_enabled)(const struct scmi_handle *handle,
+	int (*get_num_sources)(const struct scmi_protocol_handle *ph);
+	int (*set_notify_enabled)(const struct scmi_protocol_handle *ph,
 				  u8 evt_id, u32 src_id, bool enabled);
-	void *(*fill_custom_report)(const struct scmi_handle *handle,
+	void *(*fill_custom_report)(const struct scmi_protocol_handle *ph,
 				    u8 evt_id, ktime_t timestamp,
 				    const void *payld, size_t payld_sz,
 				    void *report, u32 *src_id);
 };
 
+/**
+ * struct scmi_protocol_events  - Per-protocol description of available events
+ * @queue_sz: Size in bytes of the per-protocol queue to use.
+ * @ops: Array of protocol-specific events operations.
+ * @evts: Array of supported protocol's events.
+ * @num_events: Number of supported protocol's events described in @evts.
+ * @num_sources: Number of protocol's sources, should be greater than 0; if not
+ *		 available at compile time, it will be provided at run-time via
+ *		 @get_num_sources.
+ */
+struct scmi_protocol_events {
+	size_t				queue_sz;
+	const struct scmi_event_ops	*ops;
+	const struct scmi_event		*evts;
+	unsigned int			num_events;
+	unsigned int			num_sources;
+};
+
 int scmi_notification_init(struct scmi_handle *handle);
 void scmi_notification_exit(struct scmi_handle *handle);
 
-int scmi_register_protocol_events(const struct scmi_handle *handle,
-				  u8 proto_id, size_t queue_sz,
-				  const struct scmi_event_ops *ops,
-				  const struct scmi_event *evt, int num_events,
-				  int num_sources);
+struct scmi_protocol_handle;
+int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
+				  const struct scmi_protocol_handle *ph,
+				  const struct scmi_protocol_events *ee);
+void scmi_deregister_protocol_events(const struct scmi_handle *handle,
+				     u8 proto_id);
 int scmi_notify(const struct scmi_handle *handle, u8 proto_id, u8 evt_id,
 		const void *buf, size_t len, ktime_t ts);
 
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
index 82fb3ba..f914642 100644
--- a/drivers/firmware/arm_scmi/perf.c
+++ b/drivers/firmware/arm_scmi/perf.c
@@ -2,7 +2,7 @@
 /*
  * System Control and Management Interface (SCMI) Performance Protocol
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  */
 
 #define pr_fmt(fmt) "SCMI Notifications PERF - " fmt
@@ -11,6 +11,7 @@
 #include <linux/of.h>
 #include <linux/io.h>
 #include <linux/io-64-nonatomic-hi-lo.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pm_opp.h>
 #include <linux/scmi_protocol.h>
@@ -175,21 +176,21 @@
 	PERF_NOTIFY_LEVEL,
 };
 
-static int scmi_perf_attributes_get(const struct scmi_handle *handle,
+static int scmi_perf_attributes_get(const struct scmi_protocol_handle *ph,
 				    struct scmi_perf_info *pi)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_perf_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
-				 SCMI_PROTOCOL_PERF, 0, sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0,
+				      sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		u16 flags = le16_to_cpu(attr->flags);
 
@@ -200,28 +201,27 @@
 		pi->stats_size = le32_to_cpu(attr->stats_size);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
 static int
-scmi_perf_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
-				struct perf_dom_info *dom_info)
+scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph,
+				u32 domain, struct perf_dom_info *dom_info)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_perf_domain_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, PERF_DOMAIN_ATTRIBUTES,
-				 SCMI_PROTOCOL_PERF, sizeof(domain),
-				 sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, PERF_DOMAIN_ATTRIBUTES,
+				     sizeof(domain), sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(domain, t->tx.buf);
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		u32 flags = le32_to_cpu(attr->flags);
 
@@ -245,7 +245,7 @@
 		strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
@@ -257,7 +257,7 @@
 }
 
 static int
-scmi_perf_describe_levels_get(const struct scmi_handle *handle, u32 domain,
+scmi_perf_describe_levels_get(const struct scmi_protocol_handle *ph, u32 domain,
 			      struct perf_dom_info *perf_dom)
 {
 	int ret, cnt;
@@ -268,8 +268,8 @@
 	struct scmi_msg_perf_describe_levels *dom_info;
 	struct scmi_msg_resp_perf_describe_levels *level_info;
 
-	ret = scmi_xfer_get_init(handle, PERF_DESCRIBE_LEVELS,
-				 SCMI_PROTOCOL_PERF, sizeof(*dom_info), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, PERF_DESCRIBE_LEVELS,
+				      sizeof(*dom_info), 0, &t);
 	if (ret)
 		return ret;
 
@@ -281,14 +281,14 @@
 		/* Set the number of OPPs to be skipped/already read */
 		dom_info->level_index = cpu_to_le32(tot_opp_cnt);
 
-		ret = scmi_do_xfer(handle, t);
+		ret = ph->xops->do_xfer(ph, t);
 		if (ret)
 			break;
 
 		num_returned = le16_to_cpu(level_info->num_returned);
 		num_remaining = le16_to_cpu(level_info->num_remaining);
 		if (tot_opp_cnt + num_returned > MAX_OPPS) {
-			dev_err(handle->dev, "No. of OPPs exceeded MAX_OPPS");
+			dev_err(ph->dev, "No. of OPPs exceeded MAX_OPPS");
 			break;
 		}
 
@@ -299,13 +299,13 @@
 			opp->trans_latency_us = le16_to_cpu
 				(level_info->opp[cnt].transition_latency_us);
 
-			dev_dbg(handle->dev, "Level %d Power %d Latency %dus\n",
+			dev_dbg(ph->dev, "Level %d Power %d Latency %dus\n",
 				opp->perf, opp->power, opp->trans_latency_us);
 		}
 
 		tot_opp_cnt += num_returned;
 
-		scmi_reset_rx_to_maxsz(handle, t);
+		ph->xops->reset_rx_to_maxsz(ph, t);
 		/*
 		 * check for both returned and remaining to avoid infinite
 		 * loop due to buggy firmware
@@ -313,7 +313,7 @@
 	} while (num_returned && num_remaining);
 
 	perf_dom->opp_count = tot_opp_cnt;
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 
 	sort(perf_dom->opp, tot_opp_cnt, sizeof(*opp), opp_cmp_func, NULL);
 	return ret;
@@ -353,15 +353,15 @@
 #endif
 }
 
-static int scmi_perf_mb_limits_set(const struct scmi_handle *handle, u32 domain,
-				   u32 max_perf, u32 min_perf)
+static int scmi_perf_mb_limits_set(const struct scmi_protocol_handle *ph,
+				   u32 domain, u32 max_perf, u32 min_perf)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_perf_set_limits *limits;
 
-	ret = scmi_xfer_get_init(handle, PERF_LIMITS_SET, SCMI_PROTOCOL_PERF,
-				 sizeof(*limits), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, PERF_LIMITS_SET,
+				      sizeof(*limits), 0, &t);
 	if (ret)
 		return ret;
 
@@ -370,16 +370,16 @@
 	limits->max_level = cpu_to_le32(max_perf);
 	limits->min_level = cpu_to_le32(min_perf);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_perf_limits_set(const struct scmi_handle *handle, u32 domain,
-				u32 max_perf, u32 min_perf)
+static int scmi_perf_limits_set(const struct scmi_protocol_handle *ph,
+				u32 domain, u32 max_perf, u32 min_perf)
 {
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	struct perf_dom_info *dom = pi->dom_info + domain;
 
 	if (dom->fc_info && dom->fc_info->limit_set_addr) {
@@ -389,24 +389,24 @@
 		return 0;
 	}
 
-	return scmi_perf_mb_limits_set(handle, domain, max_perf, min_perf);
+	return scmi_perf_mb_limits_set(ph, domain, max_perf, min_perf);
 }
 
-static int scmi_perf_mb_limits_get(const struct scmi_handle *handle, u32 domain,
-				   u32 *max_perf, u32 *min_perf)
+static int scmi_perf_mb_limits_get(const struct scmi_protocol_handle *ph,
+				   u32 domain, u32 *max_perf, u32 *min_perf)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_perf_get_limits *limits;
 
-	ret = scmi_xfer_get_init(handle, PERF_LIMITS_GET, SCMI_PROTOCOL_PERF,
-				 sizeof(__le32), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, PERF_LIMITS_GET,
+				      sizeof(__le32), 0, &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(domain, t->tx.buf);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		limits = t->rx.buf;
 
@@ -414,14 +414,14 @@
 		*min_perf = le32_to_cpu(limits->min_level);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_perf_limits_get(const struct scmi_handle *handle, u32 domain,
-				u32 *max_perf, u32 *min_perf)
+static int scmi_perf_limits_get(const struct scmi_protocol_handle *ph,
+				u32 domain, u32 *max_perf, u32 *min_perf)
 {
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	struct perf_dom_info *dom = pi->dom_info + domain;
 
 	if (dom->fc_info && dom->fc_info->limit_get_addr) {
@@ -430,18 +430,17 @@
 		return 0;
 	}
 
-	return scmi_perf_mb_limits_get(handle, domain, max_perf, min_perf);
+	return scmi_perf_mb_limits_get(ph, domain, max_perf, min_perf);
 }
 
-static int scmi_perf_mb_level_set(const struct scmi_handle *handle, u32 domain,
-				  u32 level, bool poll)
+static int scmi_perf_mb_level_set(const struct scmi_protocol_handle *ph,
+				  u32 domain, u32 level, bool poll)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_perf_set_level *lvl;
 
-	ret = scmi_xfer_get_init(handle, PERF_LEVEL_SET, SCMI_PROTOCOL_PERF,
-				 sizeof(*lvl), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, PERF_LEVEL_SET, sizeof(*lvl), 0, &t);
 	if (ret)
 		return ret;
 
@@ -450,16 +449,16 @@
 	lvl->domain = cpu_to_le32(domain);
 	lvl->level = cpu_to_le32(level);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_perf_level_set(const struct scmi_handle *handle, u32 domain,
-			       u32 level, bool poll)
+static int scmi_perf_level_set(const struct scmi_protocol_handle *ph,
+			       u32 domain, u32 level, bool poll)
 {
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	struct perf_dom_info *dom = pi->dom_info + domain;
 
 	if (dom->fc_info && dom->fc_info->level_set_addr) {
@@ -468,35 +467,35 @@
 		return 0;
 	}
 
-	return scmi_perf_mb_level_set(handle, domain, level, poll);
+	return scmi_perf_mb_level_set(ph, domain, level, poll);
 }
 
-static int scmi_perf_mb_level_get(const struct scmi_handle *handle, u32 domain,
-				  u32 *level, bool poll)
+static int scmi_perf_mb_level_get(const struct scmi_protocol_handle *ph,
+				  u32 domain, u32 *level, bool poll)
 {
 	int ret;
 	struct scmi_xfer *t;
 
-	ret = scmi_xfer_get_init(handle, PERF_LEVEL_GET, SCMI_PROTOCOL_PERF,
-				 sizeof(u32), sizeof(u32), &t);
+	ret = ph->xops->xfer_get_init(ph, PERF_LEVEL_GET,
+				     sizeof(u32), sizeof(u32), &t);
 	if (ret)
 		return ret;
 
 	t->hdr.poll_completion = poll;
 	put_unaligned_le32(domain, t->tx.buf);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret)
 		*level = get_unaligned_le32(t->rx.buf);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_perf_level_get(const struct scmi_handle *handle, u32 domain,
-			       u32 *level, bool poll)
+static int scmi_perf_level_get(const struct scmi_protocol_handle *ph,
+			       u32 domain, u32 *level, bool poll)
 {
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	struct perf_dom_info *dom = pi->dom_info + domain;
 
 	if (dom->fc_info && dom->fc_info->level_get_addr) {
@@ -504,10 +503,10 @@
 		return 0;
 	}
 
-	return scmi_perf_mb_level_get(handle, domain, level, poll);
+	return scmi_perf_mb_level_get(ph, domain, level, poll);
 }
 
-static int scmi_perf_level_limits_notify(const struct scmi_handle *handle,
+static int scmi_perf_level_limits_notify(const struct scmi_protocol_handle *ph,
 					 u32 domain, int message_id,
 					 bool enable)
 {
@@ -515,8 +514,7 @@
 	struct scmi_xfer *t;
 	struct scmi_perf_notify_level_or_limits *notify;
 
-	ret = scmi_xfer_get_init(handle, message_id, SCMI_PROTOCOL_PERF,
-				 sizeof(*notify), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, message_id, sizeof(*notify), 0, &t);
 	if (ret)
 		return ret;
 
@@ -524,9 +522,9 @@
 	notify->domain = cpu_to_le32(domain);
 	notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
@@ -540,7 +538,7 @@
 }
 
 static void
-scmi_perf_domain_desc_fc(const struct scmi_handle *handle, u32 domain,
+scmi_perf_domain_desc_fc(const struct scmi_protocol_handle *ph, u32 domain,
 			 u32 message_id, void __iomem **p_addr,
 			 struct scmi_fc_db_info **p_db)
 {
@@ -557,9 +555,8 @@
 	if (!p_addr)
 		return;
 
-	ret = scmi_xfer_get_init(handle, PERF_DESCRIBE_FASTCHANNEL,
-				 SCMI_PROTOCOL_PERF,
-				 sizeof(*info), sizeof(*resp), &t);
+	ret = ph->xops->xfer_get_init(ph, PERF_DESCRIBE_FASTCHANNEL,
+				      sizeof(*info), sizeof(*resp), &t);
 	if (ret)
 		return;
 
@@ -567,7 +564,7 @@
 	info->domain = cpu_to_le32(domain);
 	info->message_id = cpu_to_le32(message_id);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (ret)
 		goto err_xfer;
 
@@ -579,20 +576,20 @@
 
 	phys_addr = le32_to_cpu(resp->chan_addr_low);
 	phys_addr |= (u64)le32_to_cpu(resp->chan_addr_high) << 32;
-	addr = devm_ioremap(handle->dev, phys_addr, size);
+	addr = devm_ioremap(ph->dev, phys_addr, size);
 	if (!addr)
 		goto err_xfer;
 	*p_addr = addr;
 
 	if (p_db && SUPPORTS_DOORBELL(flags)) {
-		db = devm_kzalloc(handle->dev, sizeof(*db), GFP_KERNEL);
+		db = devm_kzalloc(ph->dev, sizeof(*db), GFP_KERNEL);
 		if (!db)
 			goto err_xfer;
 
 		size = 1 << DOORBELL_REG_WIDTH(flags);
 		phys_addr = le32_to_cpu(resp->db_addr_low);
 		phys_addr |= (u64)le32_to_cpu(resp->db_addr_high) << 32;
-		addr = devm_ioremap(handle->dev, phys_addr, size);
+		addr = devm_ioremap(ph->dev, phys_addr, size);
 		if (!addr)
 			goto err_xfer;
 
@@ -605,25 +602,25 @@
 		*p_db = db;
 	}
 err_xfer:
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 }
 
-static void scmi_perf_domain_init_fc(const struct scmi_handle *handle,
+static void scmi_perf_domain_init_fc(const struct scmi_protocol_handle *ph,
 				     u32 domain, struct scmi_fc_info **p_fc)
 {
 	struct scmi_fc_info *fc;
 
-	fc = devm_kzalloc(handle->dev, sizeof(*fc), GFP_KERNEL);
+	fc = devm_kzalloc(ph->dev, sizeof(*fc), GFP_KERNEL);
 	if (!fc)
 		return;
 
-	scmi_perf_domain_desc_fc(handle, domain, PERF_LEVEL_SET,
+	scmi_perf_domain_desc_fc(ph, domain, PERF_LEVEL_SET,
 				 &fc->level_set_addr, &fc->level_set_db);
-	scmi_perf_domain_desc_fc(handle, domain, PERF_LEVEL_GET,
+	scmi_perf_domain_desc_fc(ph, domain, PERF_LEVEL_GET,
 				 &fc->level_get_addr, NULL);
-	scmi_perf_domain_desc_fc(handle, domain, PERF_LIMITS_SET,
+	scmi_perf_domain_desc_fc(ph, domain, PERF_LIMITS_SET,
 				 &fc->limit_set_addr, &fc->limit_set_db);
-	scmi_perf_domain_desc_fc(handle, domain, PERF_LIMITS_GET,
+	scmi_perf_domain_desc_fc(ph, domain, PERF_LIMITS_GET,
 				 &fc->limit_get_addr, NULL);
 	*p_fc = fc;
 }
@@ -640,14 +637,14 @@
 	return clkspec.args[0];
 }
 
-static int scmi_dvfs_device_opps_add(const struct scmi_handle *handle,
+static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph,
 				     struct device *dev)
 {
 	int idx, ret, domain;
 	unsigned long freq;
 	struct scmi_opp *opp;
 	struct perf_dom_info *dom;
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 
 	domain = scmi_dev_domain_id(dev);
 	if (domain < 0)
@@ -672,11 +669,12 @@
 	return 0;
 }
 
-static int scmi_dvfs_transition_latency_get(const struct scmi_handle *handle,
-					    struct device *dev)
+static int
+scmi_dvfs_transition_latency_get(const struct scmi_protocol_handle *ph,
+				 struct device *dev)
 {
 	struct perf_dom_info *dom;
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	int domain = scmi_dev_domain_id(dev);
 
 	if (domain < 0)
@@ -687,35 +685,35 @@
 	return dom->opp[dom->opp_count - 1].trans_latency_us * 1000;
 }
 
-static int scmi_dvfs_freq_set(const struct scmi_handle *handle, u32 domain,
+static int scmi_dvfs_freq_set(const struct scmi_protocol_handle *ph, u32 domain,
 			      unsigned long freq, bool poll)
 {
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	struct perf_dom_info *dom = pi->dom_info + domain;
 
-	return scmi_perf_level_set(handle, domain, freq / dom->mult_factor,
-				   poll);
+	return scmi_perf_level_set(ph, domain, freq / dom->mult_factor, poll);
 }
 
-static int scmi_dvfs_freq_get(const struct scmi_handle *handle, u32 domain,
+static int scmi_dvfs_freq_get(const struct scmi_protocol_handle *ph, u32 domain,
 			      unsigned long *freq, bool poll)
 {
 	int ret;
 	u32 level;
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	struct perf_dom_info *dom = pi->dom_info + domain;
 
-	ret = scmi_perf_level_get(handle, domain, &level, poll);
+	ret = scmi_perf_level_get(ph, domain, &level, poll);
 	if (!ret)
 		*freq = level * dom->mult_factor;
 
 	return ret;
 }
 
-static int scmi_dvfs_est_power_get(const struct scmi_handle *handle, u32 domain,
-				   unsigned long *freq, unsigned long *power)
+static int scmi_dvfs_est_power_get(const struct scmi_protocol_handle *ph,
+				   u32 domain, unsigned long *freq,
+				   unsigned long *power)
 {
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 	struct perf_dom_info *dom;
 	unsigned long opp_freq;
 	int idx, ret = -EINVAL;
@@ -739,18 +737,25 @@
 	return ret;
 }
 
-static bool scmi_fast_switch_possible(const struct scmi_handle *handle,
+static bool scmi_fast_switch_possible(const struct scmi_protocol_handle *ph,
 				      struct device *dev)
 {
 	struct perf_dom_info *dom;
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi = ph->get_priv(ph);
 
 	dom = pi->dom_info + scmi_dev_domain_id(dev);
 
 	return dom->fc_info && dom->fc_info->level_set_addr;
 }
 
-static const struct scmi_perf_ops perf_ops = {
+static bool scmi_power_scale_mw_get(const struct scmi_protocol_handle *ph)
+{
+	struct scmi_perf_info *pi = ph->get_priv(ph);
+
+	return pi->power_scale_mw;
+}
+
+static const struct scmi_perf_proto_ops perf_proto_ops = {
 	.limits_set = scmi_perf_limits_set,
 	.limits_get = scmi_perf_limits_get,
 	.level_set = scmi_perf_level_set,
@@ -762,9 +767,10 @@
 	.freq_get = scmi_dvfs_freq_get,
 	.est_power_get = scmi_dvfs_est_power_get,
 	.fast_switch_possible = scmi_fast_switch_possible,
+	.power_scale_mw_get = scmi_power_scale_mw_get,
 };
 
-static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_perf_set_notify_enabled(const struct scmi_protocol_handle *ph,
 					u8 evt_id, u32 src_id, bool enable)
 {
 	int ret, cmd_id;
@@ -773,7 +779,7 @@
 		return -EINVAL;
 
 	cmd_id = evt_2_cmd[evt_id];
-	ret = scmi_perf_level_limits_notify(handle, src_id, cmd_id, enable);
+	ret = scmi_perf_level_limits_notify(ph, src_id, cmd_id, enable);
 	if (ret)
 		pr_debug("FAIL_ENABLED - evt[%X] dom[%d] - ret:%d\n",
 			 evt_id, src_id, ret);
@@ -781,7 +787,7 @@
 	return ret;
 }
 
-static void *scmi_perf_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_perf_fill_custom_report(const struct scmi_protocol_handle *ph,
 					  u8 evt_id, ktime_t timestamp,
 					  const void *payld, size_t payld_sz,
 					  void *report, u32 *src_id)
@@ -829,6 +835,16 @@
 	return rep;
 }
 
+static int scmi_perf_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+	struct scmi_perf_info *pi = ph->get_priv(ph);
+
+	if (!pi)
+		return -EINVAL;
+
+	return pi->num_domains;
+}
+
 static const struct scmi_event perf_events[] = {
 	{
 		.id = SCMI_EVENT_PERFORMANCE_LIMITS_CHANGED,
@@ -843,28 +859,36 @@
 };
 
 static const struct scmi_event_ops perf_event_ops = {
+	.get_num_sources = scmi_perf_get_num_sources,
 	.set_notify_enabled = scmi_perf_set_notify_enabled,
 	.fill_custom_report = scmi_perf_fill_custom_report,
 };
 
-static int scmi_perf_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events perf_protocol_events = {
+	.queue_sz = SCMI_PROTO_QUEUE_SZ,
+	.ops = &perf_event_ops,
+	.evts = perf_events,
+	.num_events = ARRAY_SIZE(perf_events),
+};
+
+static int scmi_perf_protocol_init(const struct scmi_protocol_handle *ph)
 {
 	int domain;
 	u32 version;
 	struct scmi_perf_info *pinfo;
 
-	scmi_version_get(handle, SCMI_PROTOCOL_PERF, &version);
+	ph->xops->version_get(ph, &version);
 
-	dev_dbg(handle->dev, "Performance Version %d.%d\n",
+	dev_dbg(ph->dev, "Performance Version %d.%d\n",
 		PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
 
-	pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+	pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
 	if (!pinfo)
 		return -ENOMEM;
 
-	scmi_perf_attributes_get(handle, pinfo);
+	scmi_perf_attributes_get(ph, pinfo);
 
-	pinfo->dom_info = devm_kcalloc(handle->dev, pinfo->num_domains,
+	pinfo->dom_info = devm_kcalloc(ph->dev, pinfo->num_domains,
 				       sizeof(*pinfo->dom_info), GFP_KERNEL);
 	if (!pinfo->dom_info)
 		return -ENOMEM;
@@ -872,24 +896,24 @@
 	for (domain = 0; domain < pinfo->num_domains; domain++) {
 		struct perf_dom_info *dom = pinfo->dom_info + domain;
 
-		scmi_perf_domain_attributes_get(handle, domain, dom);
-		scmi_perf_describe_levels_get(handle, domain, dom);
+		scmi_perf_domain_attributes_get(ph, domain, dom);
+		scmi_perf_describe_levels_get(ph, domain, dom);
 
 		if (dom->perf_fastchannels)
-			scmi_perf_domain_init_fc(handle, domain, &dom->fc_info);
+			scmi_perf_domain_init_fc(ph, domain, &dom->fc_info);
 	}
 
-	scmi_register_protocol_events(handle,
-				      SCMI_PROTOCOL_PERF, SCMI_PROTO_QUEUE_SZ,
-				      &perf_event_ops, perf_events,
-				      ARRAY_SIZE(perf_events),
-				      pinfo->num_domains);
-
 	pinfo->version = version;
-	handle->perf_ops = &perf_ops;
-	handle->perf_priv = pinfo;
 
-	return 0;
+	return ph->set_priv(ph, pinfo);
 }
 
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_PERF, perf)
+static const struct scmi_protocol scmi_perf = {
+	.id = SCMI_PROTOCOL_PERF,
+	.owner = THIS_MODULE,
+	.init_instance = &scmi_perf_protocol_init,
+	.ops = &perf_proto_ops,
+	.events = &perf_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(perf, scmi_perf)
diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c
index 1f37258e..70d366e 100644
--- a/drivers/firmware/arm_scmi/power.c
+++ b/drivers/firmware/arm_scmi/power.c
@@ -2,11 +2,12 @@
 /*
  * System Control and Management Interface (SCMI) Power Protocol
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  */
 
 #define pr_fmt(fmt) "SCMI Notifications POWER - " fmt
 
+#include <linux/module.h>
 #include <linux/scmi_protocol.h>
 
 #include "common.h"
@@ -68,21 +69,21 @@
 	struct power_dom_info *dom_info;
 };
 
-static int scmi_power_attributes_get(const struct scmi_handle *handle,
+static int scmi_power_attributes_get(const struct scmi_protocol_handle *ph,
 				     struct scmi_power_info *pi)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_power_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
-				 SCMI_PROTOCOL_POWER, 0, sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+				      0, sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		pi->num_domains = le16_to_cpu(attr->num_domains);
 		pi->stats_addr = le32_to_cpu(attr->stats_addr_low) |
@@ -90,28 +91,27 @@
 		pi->stats_size = le32_to_cpu(attr->stats_size);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
 static int
-scmi_power_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
-				 struct power_dom_info *dom_info)
+scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph,
+				 u32 domain, struct power_dom_info *dom_info)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_power_domain_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, POWER_DOMAIN_ATTRIBUTES,
-				 SCMI_PROTOCOL_POWER, sizeof(domain),
-				 sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, POWER_DOMAIN_ATTRIBUTES,
+				      sizeof(domain), sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(domain, t->tx.buf);
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		u32 flags = le32_to_cpu(attr->flags);
 
@@ -121,19 +121,18 @@
 		strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int
-scmi_power_state_set(const struct scmi_handle *handle, u32 domain, u32 state)
+static int scmi_power_state_set(const struct scmi_protocol_handle *ph,
+				u32 domain, u32 state)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_power_set_state *st;
 
-	ret = scmi_xfer_get_init(handle, POWER_STATE_SET, SCMI_PROTOCOL_POWER,
-				 sizeof(*st), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, POWER_STATE_SET, sizeof(*st), 0, &t);
 	if (ret)
 		return ret;
 
@@ -142,64 +141,64 @@
 	st->domain = cpu_to_le32(domain);
 	st->state = cpu_to_le32(state);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int
-scmi_power_state_get(const struct scmi_handle *handle, u32 domain, u32 *state)
+static int scmi_power_state_get(const struct scmi_protocol_handle *ph,
+				u32 domain, u32 *state)
 {
 	int ret;
 	struct scmi_xfer *t;
 
-	ret = scmi_xfer_get_init(handle, POWER_STATE_GET, SCMI_PROTOCOL_POWER,
-				 sizeof(u32), sizeof(u32), &t);
+	ret = ph->xops->xfer_get_init(ph, POWER_STATE_GET, sizeof(u32), sizeof(u32), &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(domain, t->tx.buf);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret)
 		*state = get_unaligned_le32(t->rx.buf);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_power_num_domains_get(const struct scmi_handle *handle)
+static int scmi_power_num_domains_get(const struct scmi_protocol_handle *ph)
 {
-	struct scmi_power_info *pi = handle->power_priv;
+	struct scmi_power_info *pi = ph->get_priv(ph);
 
 	return pi->num_domains;
 }
 
-static char *scmi_power_name_get(const struct scmi_handle *handle, u32 domain)
+static char *scmi_power_name_get(const struct scmi_protocol_handle *ph,
+				 u32 domain)
 {
-	struct scmi_power_info *pi = handle->power_priv;
+	struct scmi_power_info *pi = ph->get_priv(ph);
 	struct power_dom_info *dom = pi->dom_info + domain;
 
 	return dom->name;
 }
 
-static const struct scmi_power_ops power_ops = {
+static const struct scmi_power_proto_ops power_proto_ops = {
 	.num_domains_get = scmi_power_num_domains_get,
 	.name_get = scmi_power_name_get,
 	.state_set = scmi_power_state_set,
 	.state_get = scmi_power_state_get,
 };
 
-static int scmi_power_request_notify(const struct scmi_handle *handle,
+static int scmi_power_request_notify(const struct scmi_protocol_handle *ph,
 				     u32 domain, bool enable)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_power_state_notify *notify;
 
-	ret = scmi_xfer_get_init(handle, POWER_STATE_NOTIFY,
-				 SCMI_PROTOCOL_POWER, sizeof(*notify), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, POWER_STATE_NOTIFY,
+				      sizeof(*notify), 0, &t);
 	if (ret)
 		return ret;
 
@@ -207,18 +206,18 @@
 	notify->domain = cpu_to_le32(domain);
 	notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_power_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_power_set_notify_enabled(const struct scmi_protocol_handle *ph,
 					 u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
 
-	ret = scmi_power_request_notify(handle, src_id, enable);
+	ret = scmi_power_request_notify(ph, src_id, enable);
 	if (ret)
 		pr_debug("FAIL_ENABLE - evt[%X] dom[%d] - ret:%d\n",
 			 evt_id, src_id, ret);
@@ -226,10 +225,11 @@
 	return ret;
 }
 
-static void *scmi_power_fill_custom_report(const struct scmi_handle *handle,
-					   u8 evt_id, ktime_t timestamp,
-					   const void *payld, size_t payld_sz,
-					   void *report, u32 *src_id)
+static void *
+scmi_power_fill_custom_report(const struct scmi_protocol_handle *ph,
+			      u8 evt_id, ktime_t timestamp,
+			      const void *payld, size_t payld_sz,
+			      void *report, u32 *src_id)
 {
 	const struct scmi_power_state_notify_payld *p = payld;
 	struct scmi_power_state_changed_report *r = report;
@@ -246,6 +246,16 @@
 	return r;
 }
 
+static int scmi_power_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+	struct scmi_power_info *pinfo = ph->get_priv(ph);
+
+	if (!pinfo)
+		return -EINVAL;
+
+	return pinfo->num_domains;
+}
+
 static const struct scmi_event power_events[] = {
 	{
 		.id = SCMI_EVENT_POWER_STATE_CHANGED,
@@ -256,28 +266,36 @@
 };
 
 static const struct scmi_event_ops power_event_ops = {
+	.get_num_sources = scmi_power_get_num_sources,
 	.set_notify_enabled = scmi_power_set_notify_enabled,
 	.fill_custom_report = scmi_power_fill_custom_report,
 };
 
-static int scmi_power_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events power_protocol_events = {
+	.queue_sz = SCMI_PROTO_QUEUE_SZ,
+	.ops = &power_event_ops,
+	.evts = power_events,
+	.num_events = ARRAY_SIZE(power_events),
+};
+
+static int scmi_power_protocol_init(const struct scmi_protocol_handle *ph)
 {
 	int domain;
 	u32 version;
 	struct scmi_power_info *pinfo;
 
-	scmi_version_get(handle, SCMI_PROTOCOL_POWER, &version);
+	ph->xops->version_get(ph, &version);
 
-	dev_dbg(handle->dev, "Power Version %d.%d\n",
+	dev_dbg(ph->dev, "Power Version %d.%d\n",
 		PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
 
-	pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+	pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
 	if (!pinfo)
 		return -ENOMEM;
 
-	scmi_power_attributes_get(handle, pinfo);
+	scmi_power_attributes_get(ph, pinfo);
 
-	pinfo->dom_info = devm_kcalloc(handle->dev, pinfo->num_domains,
+	pinfo->dom_info = devm_kcalloc(ph->dev, pinfo->num_domains,
 				       sizeof(*pinfo->dom_info), GFP_KERNEL);
 	if (!pinfo->dom_info)
 		return -ENOMEM;
@@ -285,20 +303,20 @@
 	for (domain = 0; domain < pinfo->num_domains; domain++) {
 		struct power_dom_info *dom = pinfo->dom_info + domain;
 
-		scmi_power_domain_attributes_get(handle, domain, dom);
+		scmi_power_domain_attributes_get(ph, domain, dom);
 	}
 
-	scmi_register_protocol_events(handle,
-				      SCMI_PROTOCOL_POWER, SCMI_PROTO_QUEUE_SZ,
-				      &power_event_ops, power_events,
-				      ARRAY_SIZE(power_events),
-				      pinfo->num_domains);
-
 	pinfo->version = version;
-	handle->power_ops = &power_ops;
-	handle->power_priv = pinfo;
 
-	return 0;
+	return ph->set_priv(ph, pinfo);
 }
 
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_POWER, power)
+static const struct scmi_protocol scmi_power = {
+	.id = SCMI_PROTOCOL_POWER,
+	.owner = THIS_MODULE,
+	.init_instance = &scmi_power_protocol_init,
+	.ops = &power_proto_ops,
+	.events = &power_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(power, scmi_power)
diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c
index a981a22..b26686d 100644
--- a/drivers/firmware/arm_scmi/reset.c
+++ b/drivers/firmware/arm_scmi/reset.c
@@ -2,11 +2,12 @@
 /*
  * System Control and Management Interface (SCMI) Reset Protocol
  *
- * Copyright (C) 2019 ARM Ltd.
+ * Copyright (C) 2019-2020 ARM Ltd.
  */
 
 #define pr_fmt(fmt) "SCMI Notifications RESET - " fmt
 
+#include <linux/module.h>
 #include <linux/scmi_protocol.h>
 
 #include "common.h"
@@ -64,46 +65,45 @@
 	struct reset_dom_info *dom_info;
 };
 
-static int scmi_reset_attributes_get(const struct scmi_handle *handle,
+static int scmi_reset_attributes_get(const struct scmi_protocol_handle *ph,
 				     struct scmi_reset_info *pi)
 {
 	int ret;
 	struct scmi_xfer *t;
 	u32 attr;
 
-	ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
-				 SCMI_PROTOCOL_RESET, 0, sizeof(attr), &t);
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+				      0, sizeof(attr), &t);
 	if (ret)
 		return ret;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		attr = get_unaligned_le32(t->rx.buf);
 		pi->num_domains = attr & NUM_RESET_DOMAIN_MASK;
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
 static int
-scmi_reset_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
-				 struct reset_dom_info *dom_info)
+scmi_reset_domain_attributes_get(const struct scmi_protocol_handle *ph,
+				 u32 domain, struct reset_dom_info *dom_info)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_reset_domain_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, RESET_DOMAIN_ATTRIBUTES,
-				 SCMI_PROTOCOL_RESET, sizeof(domain),
-				 sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, RESET_DOMAIN_ATTRIBUTES,
+				      sizeof(domain), sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	put_unaligned_le32(domain, t->tx.buf);
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		u32 attributes = le32_to_cpu(attr->attributes);
 
@@ -115,47 +115,49 @@
 		strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_reset_num_domains_get(const struct scmi_handle *handle)
+static int scmi_reset_num_domains_get(const struct scmi_protocol_handle *ph)
 {
-	struct scmi_reset_info *pi = handle->reset_priv;
+	struct scmi_reset_info *pi = ph->get_priv(ph);
 
 	return pi->num_domains;
 }
 
-static char *scmi_reset_name_get(const struct scmi_handle *handle, u32 domain)
+static char *scmi_reset_name_get(const struct scmi_protocol_handle *ph,
+				 u32 domain)
 {
-	struct scmi_reset_info *pi = handle->reset_priv;
+	struct scmi_reset_info *pi = ph->get_priv(ph);
+
 	struct reset_dom_info *dom = pi->dom_info + domain;
 
 	return dom->name;
 }
 
-static int scmi_reset_latency_get(const struct scmi_handle *handle, u32 domain)
+static int scmi_reset_latency_get(const struct scmi_protocol_handle *ph,
+				  u32 domain)
 {
-	struct scmi_reset_info *pi = handle->reset_priv;
+	struct scmi_reset_info *pi = ph->get_priv(ph);
 	struct reset_dom_info *dom = pi->dom_info + domain;
 
 	return dom->latency_us;
 }
 
-static int scmi_domain_reset(const struct scmi_handle *handle, u32 domain,
+static int scmi_domain_reset(const struct scmi_protocol_handle *ph, u32 domain,
 			     u32 flags, u32 state)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_reset_domain_reset *dom;
-	struct scmi_reset_info *pi = handle->reset_priv;
+	struct scmi_reset_info *pi = ph->get_priv(ph);
 	struct reset_dom_info *rdom = pi->dom_info + domain;
 
 	if (rdom->async_reset)
 		flags |= ASYNCHRONOUS_RESET;
 
-	ret = scmi_xfer_get_init(handle, RESET, SCMI_PROTOCOL_RESET,
-				 sizeof(*dom), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, RESET, sizeof(*dom), 0, &t);
 	if (ret)
 		return ret;
 
@@ -165,34 +167,35 @@
 	dom->reset_state = cpu_to_le32(state);
 
 	if (rdom->async_reset)
-		ret = scmi_do_xfer_with_response(handle, t);
+		ret = ph->xops->do_xfer_with_response(ph, t);
 	else
-		ret = scmi_do_xfer(handle, t);
+		ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_reset_domain_reset(const struct scmi_handle *handle, u32 domain)
+static int scmi_reset_domain_reset(const struct scmi_protocol_handle *ph,
+				   u32 domain)
 {
-	return scmi_domain_reset(handle, domain, AUTONOMOUS_RESET,
+	return scmi_domain_reset(ph, domain, AUTONOMOUS_RESET,
 				 ARCH_COLD_RESET);
 }
 
 static int
-scmi_reset_domain_assert(const struct scmi_handle *handle, u32 domain)
+scmi_reset_domain_assert(const struct scmi_protocol_handle *ph, u32 domain)
 {
-	return scmi_domain_reset(handle, domain, EXPLICIT_RESET_ASSERT,
+	return scmi_domain_reset(ph, domain, EXPLICIT_RESET_ASSERT,
 				 ARCH_COLD_RESET);
 }
 
 static int
-scmi_reset_domain_deassert(const struct scmi_handle *handle, u32 domain)
+scmi_reset_domain_deassert(const struct scmi_protocol_handle *ph, u32 domain)
 {
-	return scmi_domain_reset(handle, domain, 0, ARCH_COLD_RESET);
+	return scmi_domain_reset(ph, domain, 0, ARCH_COLD_RESET);
 }
 
-static const struct scmi_reset_ops reset_ops = {
+static const struct scmi_reset_proto_ops reset_proto_ops = {
 	.num_domains_get = scmi_reset_num_domains_get,
 	.name_get = scmi_reset_name_get,
 	.latency_get = scmi_reset_latency_get,
@@ -201,16 +204,15 @@
 	.deassert = scmi_reset_domain_deassert,
 };
 
-static int scmi_reset_notify(const struct scmi_handle *handle, u32 domain_id,
-			     bool enable)
+static int scmi_reset_notify(const struct scmi_protocol_handle *ph,
+			     u32 domain_id, bool enable)
 {
 	int ret;
 	u32 evt_cntl = enable ? RESET_TP_NOTIFY_ALL : 0;
 	struct scmi_xfer *t;
 	struct scmi_msg_reset_notify *cfg;
 
-	ret = scmi_xfer_get_init(handle, RESET_NOTIFY,
-				 SCMI_PROTOCOL_RESET, sizeof(*cfg), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, RESET_NOTIFY, sizeof(*cfg), 0, &t);
 	if (ret)
 		return ret;
 
@@ -218,18 +220,18 @@
 	cfg->id = cpu_to_le32(domain_id);
 	cfg->event_control = cpu_to_le32(evt_cntl);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_reset_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_reset_set_notify_enabled(const struct scmi_protocol_handle *ph,
 					 u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
 
-	ret = scmi_reset_notify(handle, src_id, enable);
+	ret = scmi_reset_notify(ph, src_id, enable);
 	if (ret)
 		pr_debug("FAIL_ENABLED - evt[%X] dom[%d] - ret:%d\n",
 			 evt_id, src_id, ret);
@@ -237,10 +239,11 @@
 	return ret;
 }
 
-static void *scmi_reset_fill_custom_report(const struct scmi_handle *handle,
-					   u8 evt_id, ktime_t timestamp,
-					   const void *payld, size_t payld_sz,
-					   void *report, u32 *src_id)
+static void *
+scmi_reset_fill_custom_report(const struct scmi_protocol_handle *ph,
+			      u8 evt_id, ktime_t timestamp,
+			      const void *payld, size_t payld_sz,
+			      void *report, u32 *src_id)
 {
 	const struct scmi_reset_issued_notify_payld *p = payld;
 	struct scmi_reset_issued_report *r = report;
@@ -257,6 +260,16 @@
 	return r;
 }
 
+static int scmi_reset_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+	struct scmi_reset_info *pinfo = ph->get_priv(ph);
+
+	if (!pinfo)
+		return -EINVAL;
+
+	return pinfo->num_domains;
+}
+
 static const struct scmi_event reset_events[] = {
 	{
 		.id = SCMI_EVENT_RESET_ISSUED,
@@ -266,28 +279,36 @@
 };
 
 static const struct scmi_event_ops reset_event_ops = {
+	.get_num_sources = scmi_reset_get_num_sources,
 	.set_notify_enabled = scmi_reset_set_notify_enabled,
 	.fill_custom_report = scmi_reset_fill_custom_report,
 };
 
-static int scmi_reset_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events reset_protocol_events = {
+	.queue_sz = SCMI_PROTO_QUEUE_SZ,
+	.ops = &reset_event_ops,
+	.evts = reset_events,
+	.num_events = ARRAY_SIZE(reset_events),
+};
+
+static int scmi_reset_protocol_init(const struct scmi_protocol_handle *ph)
 {
 	int domain;
 	u32 version;
 	struct scmi_reset_info *pinfo;
 
-	scmi_version_get(handle, SCMI_PROTOCOL_RESET, &version);
+	ph->xops->version_get(ph, &version);
 
-	dev_dbg(handle->dev, "Reset Version %d.%d\n",
+	dev_dbg(ph->dev, "Reset Version %d.%d\n",
 		PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
 
-	pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+	pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
 	if (!pinfo)
 		return -ENOMEM;
 
-	scmi_reset_attributes_get(handle, pinfo);
+	scmi_reset_attributes_get(ph, pinfo);
 
-	pinfo->dom_info = devm_kcalloc(handle->dev, pinfo->num_domains,
+	pinfo->dom_info = devm_kcalloc(ph->dev, pinfo->num_domains,
 				       sizeof(*pinfo->dom_info), GFP_KERNEL);
 	if (!pinfo->dom_info)
 		return -ENOMEM;
@@ -295,20 +316,19 @@
 	for (domain = 0; domain < pinfo->num_domains; domain++) {
 		struct reset_dom_info *dom = pinfo->dom_info + domain;
 
-		scmi_reset_domain_attributes_get(handle, domain, dom);
+		scmi_reset_domain_attributes_get(ph, domain, dom);
 	}
 
-	scmi_register_protocol_events(handle,
-				      SCMI_PROTOCOL_RESET, SCMI_PROTO_QUEUE_SZ,
-				      &reset_event_ops, reset_events,
-				      ARRAY_SIZE(reset_events),
-				      pinfo->num_domains);
-
 	pinfo->version = version;
-	handle->reset_ops = &reset_ops;
-	handle->reset_priv = pinfo;
-
-	return 0;
+	return ph->set_priv(ph, pinfo);
 }
 
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_RESET, reset)
+static const struct scmi_protocol scmi_reset = {
+	.id = SCMI_PROTOCOL_RESET,
+	.owner = THIS_MODULE,
+	.init_instance = &scmi_reset_protocol_init,
+	.ops = &reset_proto_ops,
+	.events = &reset_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(reset, scmi_reset)
diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c
index af74e52..10dccc1 100644
--- a/drivers/firmware/arm_scmi/scmi_pm_domain.c
+++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c
@@ -2,7 +2,7 @@
 /*
  * SCMI Generic power domain support.
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  */
 
 #include <linux/err.h>
@@ -11,9 +11,11 @@
 #include <linux/pm_domain.h>
 #include <linux/scmi_protocol.h>
 
+static const struct scmi_power_proto_ops *power_ops;
+
 struct scmi_pm_domain {
 	struct generic_pm_domain genpd;
-	const struct scmi_handle *handle;
+	const struct scmi_protocol_handle *ph;
 	const char *name;
 	u32 domain;
 };
@@ -25,16 +27,15 @@
 	int ret;
 	u32 state, ret_state;
 	struct scmi_pm_domain *pd = to_scmi_pd(domain);
-	const struct scmi_power_ops *ops = pd->handle->power_ops;
 
 	if (power_on)
 		state = SCMI_POWER_STATE_GENERIC_ON;
 	else
 		state = SCMI_POWER_STATE_GENERIC_OFF;
 
-	ret = ops->state_set(pd->handle, pd->domain, state);
+	ret = power_ops->state_set(pd->ph, pd->domain, state);
 	if (!ret)
-		ret = ops->state_get(pd->handle, pd->domain, &ret_state);
+		ret = power_ops->state_get(pd->ph, pd->domain, &ret_state);
 	if (!ret && state != ret_state)
 		return -EIO;
 
@@ -60,11 +61,16 @@
 	struct genpd_onecell_data *scmi_pd_data;
 	struct generic_pm_domain **domains;
 	const struct scmi_handle *handle = sdev->handle;
+	struct scmi_protocol_handle *ph;
 
-	if (!handle || !handle->power_ops)
+	if (!handle)
 		return -ENODEV;
 
-	num_domains = handle->power_ops->num_domains_get(handle);
+	power_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_POWER, &ph);
+	if (IS_ERR(power_ops))
+		return PTR_ERR(power_ops);
+
+	num_domains = power_ops->num_domains_get(ph);
 	if (num_domains < 0) {
 		dev_err(dev, "number of domains not found\n");
 		return num_domains;
@@ -85,14 +91,14 @@
 	for (i = 0; i < num_domains; i++, scmi_pd++) {
 		u32 state;
 
-		if (handle->power_ops->state_get(handle, i, &state)) {
+		if (power_ops->state_get(ph, i, &state)) {
 			dev_warn(dev, "failed to get state for domain %d\n", i);
 			continue;
 		}
 
 		scmi_pd->domain = i;
-		scmi_pd->handle = handle;
-		scmi_pd->name = handle->power_ops->name_get(handle, i);
+		scmi_pd->ph = ph;
+		scmi_pd->name = power_ops->name_get(ph, i);
 		scmi_pd->genpd.name = scmi_pd->name;
 		scmi_pd->genpd.power_off = scmi_pd_power_off;
 		scmi_pd->genpd.power_on = scmi_pd_power_on;
diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c
index b4232d6..d426b84 100644
--- a/drivers/firmware/arm_scmi/sensors.c
+++ b/drivers/firmware/arm_scmi/sensors.c
@@ -2,21 +2,31 @@
 /*
  * System Control and Management Interface (SCMI) Sensor Protocol
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  */
 
 #define pr_fmt(fmt) "SCMI Notifications SENSOR - " fmt
 
+#include <linux/bitfield.h>
+#include <linux/module.h>
 #include <linux/scmi_protocol.h>
 
 #include "common.h"
 #include "notify.h"
 
+#define SCMI_MAX_NUM_SENSOR_AXIS	63
+#define	SCMIv2_SENSOR_PROTOCOL		0x10000
+
 enum scmi_sensor_protocol_cmd {
 	SENSOR_DESCRIPTION_GET = 0x3,
 	SENSOR_TRIP_POINT_NOTIFY = 0x4,
 	SENSOR_TRIP_POINT_CONFIG = 0x5,
 	SENSOR_READING_GET = 0x6,
+	SENSOR_AXIS_DESCRIPTION_GET = 0x7,
+	SENSOR_LIST_UPDATE_INTERVALS = 0x8,
+	SENSOR_CONFIG_GET = 0x9,
+	SENSOR_CONFIG_SET = 0xA,
+	SENSOR_CONTINUOUS_UPDATE_NOTIFY = 0xB,
 };
 
 struct scmi_msg_resp_sensor_attributes {
@@ -28,29 +38,106 @@
 	__le32 reg_size;
 };
 
+/* v3 attributes_low macros */
+#define SUPPORTS_UPDATE_NOTIFY(x)	FIELD_GET(BIT(30), (x))
+#define SENSOR_TSTAMP_EXP(x)		FIELD_GET(GENMASK(14, 10), (x))
+#define SUPPORTS_TIMESTAMP(x)		FIELD_GET(BIT(9), (x))
+#define SUPPORTS_EXTEND_ATTRS(x)	FIELD_GET(BIT(8), (x))
+
+/* v2 attributes_high macros */
+#define SENSOR_UPDATE_BASE(x)		FIELD_GET(GENMASK(31, 27), (x))
+#define SENSOR_UPDATE_SCALE(x)		FIELD_GET(GENMASK(26, 22), (x))
+
+/* v3 attributes_high macros */
+#define SENSOR_AXIS_NUMBER(x)		FIELD_GET(GENMASK(21, 16), (x))
+#define SUPPORTS_AXIS(x)		FIELD_GET(BIT(8), (x))
+
+/* v3 resolution macros */
+#define SENSOR_RES(x)			FIELD_GET(GENMASK(26, 0), (x))
+#define SENSOR_RES_EXP(x)		FIELD_GET(GENMASK(31, 27), (x))
+
+struct scmi_msg_resp_attrs {
+	__le32 min_range_low;
+	__le32 min_range_high;
+	__le32 max_range_low;
+	__le32 max_range_high;
+};
+
 struct scmi_msg_resp_sensor_description {
 	__le16 num_returned;
 	__le16 num_remaining;
-	struct {
+	struct scmi_sensor_descriptor {
 		__le32 id;
 		__le32 attributes_low;
-#define SUPPORTS_ASYNC_READ(x)	((x) & BIT(31))
-#define NUM_TRIP_POINTS(x)	((x) & 0xff)
+/* Common attributes_low macros */
+#define SUPPORTS_ASYNC_READ(x)		FIELD_GET(BIT(31), (x))
+#define NUM_TRIP_POINTS(x)		FIELD_GET(GENMASK(7, 0), (x))
 		__le32 attributes_high;
-#define SENSOR_TYPE(x)		((x) & 0xff)
-#define SENSOR_SCALE(x)		(((x) >> 11) & 0x1f)
-#define SENSOR_SCALE_SIGN	BIT(4)
-#define SENSOR_SCALE_EXTEND	GENMASK(7, 5)
-#define SENSOR_UPDATE_SCALE(x)	(((x) >> 22) & 0x1f)
-#define SENSOR_UPDATE_BASE(x)	(((x) >> 27) & 0x1f)
-		    u8 name[SCMI_MAX_STR_SIZE];
-	} desc[0];
+/* Common attributes_high macros */
+#define SENSOR_SCALE(x)			FIELD_GET(GENMASK(15, 11), (x))
+#define SENSOR_SCALE_SIGN		BIT(4)
+#define SENSOR_SCALE_EXTEND		GENMASK(31, 5)
+#define SENSOR_TYPE(x)			FIELD_GET(GENMASK(7, 0), (x))
+		u8 name[SCMI_MAX_STR_SIZE];
+		/* only for version > 2.0 */
+		__le32 power;
+		__le32 resolution;
+		struct scmi_msg_resp_attrs scalar_attrs;
+	} desc[];
 };
 
-struct scmi_msg_sensor_trip_point_notify {
+/* Base scmi_sensor_descriptor size excluding extended attrs after name */
+#define SCMI_MSG_RESP_SENS_DESCR_BASE_SZ	28
+
+/* Sign extend to a full s32 */
+#define	S32_EXT(v)							\
+	({								\
+		int __v = (v);						\
+									\
+		if (__v & SENSOR_SCALE_SIGN)				\
+			__v |= SENSOR_SCALE_EXTEND;			\
+		__v;							\
+	})
+
+struct scmi_msg_sensor_axis_description_get {
+	__le32 id;
+	__le32 axis_desc_index;
+};
+
+struct scmi_msg_resp_sensor_axis_description {
+	__le32 num_axis_flags;
+#define NUM_AXIS_RETURNED(x)		FIELD_GET(GENMASK(5, 0), (x))
+#define NUM_AXIS_REMAINING(x)		FIELD_GET(GENMASK(31, 26), (x))
+	struct scmi_axis_descriptor {
+		__le32 id;
+		__le32 attributes_low;
+		__le32 attributes_high;
+		u8 name[SCMI_MAX_STR_SIZE];
+		__le32 resolution;
+		struct scmi_msg_resp_attrs attrs;
+	} desc[];
+};
+
+/* Base scmi_axis_descriptor size excluding extended attrs after name */
+#define SCMI_MSG_RESP_AXIS_DESCR_BASE_SZ	28
+
+struct scmi_msg_sensor_list_update_intervals {
+	__le32 id;
+	__le32 index;
+};
+
+struct scmi_msg_resp_sensor_list_update_intervals {
+	__le32 num_intervals_flags;
+#define NUM_INTERVALS_RETURNED(x)	FIELD_GET(GENMASK(11, 0), (x))
+#define SEGMENTED_INTVL_FORMAT(x)	FIELD_GET(BIT(12), (x))
+#define NUM_INTERVALS_REMAINING(x)	FIELD_GET(GENMASK(31, 16), (x))
+	__le32 intervals[];
+};
+
+struct scmi_msg_sensor_request_notify {
 	__le32 id;
 	__le32 event_control;
-#define SENSOR_TP_NOTIFY_ALL	BIT(0)
+#define SENSOR_NOTIFY_ALL	BIT(0)
 };
 
 struct scmi_msg_set_sensor_trip_point {
@@ -66,18 +153,47 @@
 	__le32 value_high;
 };
 
+struct scmi_msg_sensor_config_set {
+	__le32 id;
+	__le32 sensor_config;
+};
+
 struct scmi_msg_sensor_reading_get {
 	__le32 id;
 	__le32 flags;
 #define SENSOR_READ_ASYNC	BIT(0)
 };
 
+struct scmi_resp_sensor_reading_complete {
+	__le32 id;
+	__le32 readings_low;
+	__le32 readings_high;
+};
+
+struct scmi_sensor_reading_resp {
+	__le32 sensor_value_low;
+	__le32 sensor_value_high;
+	__le32 timestamp_low;
+	__le32 timestamp_high;
+};
+
+struct scmi_resp_sensor_reading_complete_v3 {
+	__le32 id;
+	struct scmi_sensor_reading_resp readings[];
+};
+
 struct scmi_sensor_trip_notify_payld {
 	__le32 agent_id;
 	__le32 sensor_id;
 	__le32 trip_point_desc;
 };
 
+struct scmi_sensor_update_notify_payld {
+	__le32 agent_id;
+	__le32 sensor_id;
+	struct scmi_sensor_reading_resp readings[];
+};
+
 struct sensors_info {
 	u32 version;
 	int num_sensors;
@@ -87,21 +203,21 @@
 	struct scmi_sensor_info *sensors;
 };
 
-static int scmi_sensor_attributes_get(const struct scmi_handle *handle,
+static int scmi_sensor_attributes_get(const struct scmi_protocol_handle *ph,
 				      struct sensors_info *si)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_sensor_attributes *attr;
 
-	ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
-				 SCMI_PROTOCOL_SENSOR, 0, sizeof(*attr), &t);
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+				      0, sizeof(*attr), &t);
 	if (ret)
 		return ret;
 
 	attr = t->rx.buf;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 	if (!ret) {
 		si->num_sensors = le16_to_cpu(attr->num_sensors);
 		si->max_requests = attr->max_requests;
@@ -110,11 +226,199 @@
 		si->reg_size = le32_to_cpu(attr->reg_size);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_sensor_description_get(const struct scmi_handle *handle,
+static inline void scmi_parse_range_attrs(struct scmi_range_attrs *out,
+					  struct scmi_msg_resp_attrs *in)
+{
+	out->min_range = get_unaligned_le64((void *)&in->min_range_low);
+	out->max_range = get_unaligned_le64((void *)&in->max_range_low);
+}
+
+static int scmi_sensor_update_intervals(const struct scmi_protocol_handle *ph,
+					struct scmi_sensor_info *s)
+{
+	int ret, cnt;
+	u32 desc_index = 0;
+	u16 num_returned, num_remaining;
+	struct scmi_xfer *ti;
+	struct scmi_msg_resp_sensor_list_update_intervals *buf;
+	struct scmi_msg_sensor_list_update_intervals *msg;
+
+	ret = ph->xops->xfer_get_init(ph, SENSOR_LIST_UPDATE_INTERVALS,
+				      sizeof(*msg), 0, &ti);
+	if (ret)
+		return ret;
+
+	buf = ti->rx.buf;
+	do {
+		u32 flags;
+
+		msg = ti->tx.buf;
+		/* Set the number of sensors to be skipped/already read */
+		msg->id = cpu_to_le32(s->id);
+		msg->index = cpu_to_le32(desc_index);
+
+		ret = ph->xops->do_xfer(ph, ti);
+		if (ret)
+			break;
+
+		flags = le32_to_cpu(buf->num_intervals_flags);
+		num_returned = NUM_INTERVALS_RETURNED(flags);
+		num_remaining = NUM_INTERVALS_REMAINING(flags);
+
+		/*
+		 * Max intervals is not declared previously anywhere so we
+		 * assume it's returned+remaining.
+		 */
+		if (!s->intervals.count) {
+			s->intervals.segmented = SEGMENTED_INTVL_FORMAT(flags);
+			s->intervals.count = num_returned + num_remaining;
+			/* segmented intervals are reported in one triplet */
+			if (s->intervals.segmented &&
+			    (num_remaining || num_returned != 3)) {
+				dev_err(ph->dev,
+					"Sensor ID:%d advertises an invalid segmented interval (%d)\n",
+					s->id, s->intervals.count);
+				s->intervals.segmented = false;
+				s->intervals.count = 0;
+				ret = -EINVAL;
+				break;
+			}
+			/* Direct allocation when exceeding pre-allocated */
+			if (s->intervals.count >= SCMI_MAX_PREALLOC_POOL) {
+				s->intervals.desc =
+					devm_kcalloc(ph->dev,
+						     s->intervals.count,
+						     sizeof(*s->intervals.desc),
+						     GFP_KERNEL);
+				if (!s->intervals.desc) {
+					s->intervals.segmented = false;
+					s->intervals.count = 0;
+					ret = -ENOMEM;
+					break;
+				}
+			}
+		} else if (desc_index + num_returned > s->intervals.count) {
+			dev_err(ph->dev,
+				"No. of update intervals can't exceed %d\n",
+				s->intervals.count);
+			ret = -EINVAL;
+			break;
+		}
+
+		for (cnt = 0; cnt < num_returned; cnt++)
+			s->intervals.desc[desc_index + cnt] =
+					le32_to_cpu(buf->intervals[cnt]);
+
+		desc_index += num_returned;
+
+		ph->xops->reset_rx_to_maxsz(ph, ti);
+		/*
+		 * check for both returned and remaining to avoid infinite
+		 * loop due to buggy firmware
+		 */
+	} while (num_returned && num_remaining);
+
+	ph->xops->xfer_put(ph, ti);
+	return ret;
+}
+
+static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph,
+					struct scmi_sensor_info *s)
+{
+	int ret, cnt;
+	u32 desc_index = 0;
+	u16 num_returned, num_remaining;
+	struct scmi_xfer *te;
+	struct scmi_msg_resp_sensor_axis_description *buf;
+	struct scmi_msg_sensor_axis_description_get *msg;
+
+	s->axis = devm_kcalloc(ph->dev, s->num_axis,
+			       sizeof(*s->axis), GFP_KERNEL);
+	if (!s->axis)
+		return -ENOMEM;
+
+	ret = ph->xops->xfer_get_init(ph, SENSOR_AXIS_DESCRIPTION_GET,
+				      sizeof(*msg), 0, &te);
+	if (ret)
+		return ret;
+
+	buf = te->rx.buf;
+	do {
+		u32 flags;
+		struct scmi_axis_descriptor *adesc;
+
+		msg = te->tx.buf;
+		/* Set the number of sensors to be skipped/already read */
+		msg->id = cpu_to_le32(s->id);
+		msg->axis_desc_index = cpu_to_le32(desc_index);
+
+		ret = ph->xops->do_xfer(ph, te);
+		if (ret)
+			break;
+
+		flags = le32_to_cpu(buf->num_axis_flags);
+		num_returned = NUM_AXIS_RETURNED(flags);
+		num_remaining = NUM_AXIS_REMAINING(flags);
+
+		if (desc_index + num_returned > s->num_axis) {
+			dev_err(ph->dev, "No. of axis can't exceed %d\n",
+				s->num_axis);
+			break;
+		}
+
+		adesc = &buf->desc[0];
+		for (cnt = 0; cnt < num_returned; cnt++) {
+			u32 attrh, attrl;
+			struct scmi_sensor_axis_info *a;
+			size_t dsize = SCMI_MSG_RESP_AXIS_DESCR_BASE_SZ;
+
+			attrl = le32_to_cpu(adesc->attributes_low);
+
+			a = &s->axis[desc_index + cnt];
+
+			a->id = le32_to_cpu(adesc->id);
+			a->extended_attrs = SUPPORTS_EXTEND_ATTRS(attrl);
+
+			attrh = le32_to_cpu(adesc->attributes_high);
+			a->scale = S32_EXT(SENSOR_SCALE(attrh));
+			a->type = SENSOR_TYPE(attrh);
+			strlcpy(a->name, adesc->name, SCMI_MAX_STR_SIZE);
+
+			if (a->extended_attrs) {
+				unsigned int ares =
+					le32_to_cpu(adesc->resolution);
+
+				a->resolution = SENSOR_RES(ares);
+				a->exponent =
+					S32_EXT(SENSOR_RES_EXP(ares));
+				dsize += sizeof(adesc->resolution);
+
+				scmi_parse_range_attrs(&a->attrs,
+						       &adesc->attrs);
+				dsize += sizeof(adesc->attrs);
+			}
+
+			adesc = (typeof(adesc))((u8 *)adesc + dsize);
+		}
+
+		desc_index += num_returned;
+
+		ph->xops->reset_rx_to_maxsz(ph, te);
+		/*
+		 * check for both returned and remaining to avoid infinite
+		 * loop due to buggy firmware
+		 */
+	} while (num_returned && num_remaining);
+
+	ph->xops->xfer_put(ph, te);
+	return ret;
+}
+
+static int scmi_sensor_description_get(const struct scmi_protocol_handle *ph,
 				       struct sensors_info *si)
 {
 	int ret, cnt;
@@ -123,18 +427,20 @@
 	struct scmi_xfer *t;
 	struct scmi_msg_resp_sensor_description *buf;
 
-	ret = scmi_xfer_get_init(handle, SENSOR_DESCRIPTION_GET,
-				 SCMI_PROTOCOL_SENSOR, sizeof(__le32), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, SENSOR_DESCRIPTION_GET,
+				      sizeof(__le32), 0, &t);
 	if (ret)
 		return ret;
 
 	buf = t->rx.buf;
 
 	do {
+		struct scmi_sensor_descriptor *sdesc;
+
 		/* Set the number of sensors to be skipped/already read */
 		put_unaligned_le32(desc_index, t->tx.buf);
 
-		ret = scmi_do_xfer(handle, t);
+		ret = ph->xops->do_xfer(ph, t);
 		if (ret)
 			break;
 
@@ -142,52 +448,128 @@
 		num_remaining = le16_to_cpu(buf->num_remaining);
 
 		if (desc_index + num_returned > si->num_sensors) {
-			dev_err(handle->dev, "No. of sensors can't exceed %d",
+			dev_err(ph->dev, "No. of sensors can't exceed %d",
 				si->num_sensors);
 			break;
 		}
 
+		sdesc = &buf->desc[0];
 		for (cnt = 0; cnt < num_returned; cnt++) {
 			u32 attrh, attrl;
 			struct scmi_sensor_info *s;
+			size_t dsize = SCMI_MSG_RESP_SENS_DESCR_BASE_SZ;
 
-			attrl = le32_to_cpu(buf->desc[cnt].attributes_low);
-			attrh = le32_to_cpu(buf->desc[cnt].attributes_high);
 			s = &si->sensors[desc_index + cnt];
-			s->id = le32_to_cpu(buf->desc[cnt].id);
-			s->type = SENSOR_TYPE(attrh);
-			s->scale = SENSOR_SCALE(attrh);
-			/* Sign extend to a full s8 */
-			if (s->scale & SENSOR_SCALE_SIGN)
-				s->scale |= SENSOR_SCALE_EXTEND;
+			s->id = le32_to_cpu(sdesc->id);
+
+			attrl = le32_to_cpu(sdesc->attributes_low);
+			/* common bitfields parsing */
 			s->async = SUPPORTS_ASYNC_READ(attrl);
 			s->num_trip_points = NUM_TRIP_POINTS(attrl);
-			strlcpy(s->name, buf->desc[cnt].name, SCMI_MAX_STR_SIZE);
+			/**
+			 * only SCMIv3.0 specific bitfield below.
+			 * Such bitfields are assumed to be zeroed on non
+			 * relevant fw versions...assuming fw not buggy !
+			 */
+			s->update = SUPPORTS_UPDATE_NOTIFY(attrl);
+			s->timestamped = SUPPORTS_TIMESTAMP(attrl);
+			if (s->timestamped)
+				s->tstamp_scale =
+					S32_EXT(SENSOR_TSTAMP_EXP(attrl));
+			s->extended_scalar_attrs =
+				SUPPORTS_EXTEND_ATTRS(attrl);
+
+			attrh = le32_to_cpu(sdesc->attributes_high);
+			/* common bitfields parsing */
+			s->scale = S32_EXT(SENSOR_SCALE(attrh));
+			s->type = SENSOR_TYPE(attrh);
+			/* Use pre-allocated pool wherever possible */
+			s->intervals.desc = s->intervals.prealloc_pool;
+			if (si->version == SCMIv2_SENSOR_PROTOCOL) {
+				s->intervals.segmented = false;
+				s->intervals.count = 1;
+				/*
+				 * Convert SCMIv2.0 update interval format to
+				 * SCMIv3.0 to be used as the common exposed
+				 * descriptor, accessible via common macros.
+				 */
+				s->intervals.desc[0] =
+					(SENSOR_UPDATE_BASE(attrh) << 5) |
+					 SENSOR_UPDATE_SCALE(attrh);
+			} else {
+				/*
+				 * From SCMIv3.0 update intervals are retrieved
+				 * via a dedicated (optional) command.
+				 * Since the command is optional, on error carry
+				 * on without any update interval.
+				 */
+				if (scmi_sensor_update_intervals(ph, s))
+					dev_dbg(ph->dev,
+						"Update Intervals not available for sensor ID:%d\n",
+						s->id);
+			}
+			/**
+			 * only > SCMIv2.0 specific bitfield below.
+			 * Such bitfields are assumed to be zeroed on non
+			 * relevant fw versions...assuming fw not buggy !
+			 */
+			s->num_axis = min_t(unsigned int,
+					    SUPPORTS_AXIS(attrh) ?
+					    SENSOR_AXIS_NUMBER(attrh) : 0,
+					    SCMI_MAX_NUM_SENSOR_AXIS);
+			strlcpy(s->name, sdesc->name, SCMI_MAX_STR_SIZE);
+
+			if (s->extended_scalar_attrs) {
+				s->sensor_power = le32_to_cpu(sdesc->power);
+				dsize += sizeof(sdesc->power);
+				/* Only for sensors reporting scalar values */
+				if (s->num_axis == 0) {
+					unsigned int sres =
+						le32_to_cpu(sdesc->resolution);
+
+					s->resolution = SENSOR_RES(sres);
+					s->exponent =
+						S32_EXT(SENSOR_RES_EXP(sres));
+					dsize += sizeof(sdesc->resolution);
+
+					scmi_parse_range_attrs(&s->scalar_attrs,
+							       &sdesc->scalar_attrs);
+					dsize += sizeof(sdesc->scalar_attrs);
+				}
+			}
+			if (s->num_axis > 0) {
+				ret = scmi_sensor_axis_description(ph, s);
+				if (ret)
+					goto out;
+			}
+
+			sdesc = (typeof(sdesc))((u8 *)sdesc + dsize);
 		}
 
 		desc_index += num_returned;
 
-		scmi_reset_rx_to_maxsz(handle, t);
+		ph->xops->reset_rx_to_maxsz(ph, t);
 		/*
 		 * check for both returned and remaining to avoid infinite
 		 * loop due to buggy firmware
 		 */
 	} while (num_returned && num_remaining);
 
-	scmi_xfer_put(handle, t);
+out:
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_sensor_trip_point_notify(const struct scmi_handle *handle,
-					 u32 sensor_id, bool enable)
+static inline int
+scmi_sensor_request_notify(const struct scmi_protocol_handle *ph, u32 sensor_id,
+			   u8 message_id, bool enable)
 {
 	int ret;
-	u32 evt_cntl = enable ? SENSOR_TP_NOTIFY_ALL : 0;
+	u32 evt_cntl = enable ? SENSOR_NOTIFY_ALL : 0;
 	struct scmi_xfer *t;
-	struct scmi_msg_sensor_trip_point_notify *cfg;
+	struct scmi_msg_sensor_request_notify *cfg;
 
-	ret = scmi_xfer_get_init(handle, SENSOR_TRIP_POINT_NOTIFY,
-				 SCMI_PROTOCOL_SENSOR, sizeof(*cfg), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, message_id, sizeof(*cfg), 0, &t);
 	if (ret)
 		return ret;
 
@@ -195,23 +577,40 @@
 	cfg->id = cpu_to_le32(sensor_id);
 	cfg->event_control = cpu_to_le32(evt_cntl);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
+static int scmi_sensor_trip_point_notify(const struct scmi_protocol_handle *ph,
+					 u32 sensor_id, bool enable)
+{
+	return scmi_sensor_request_notify(ph, sensor_id,
+					  SENSOR_TRIP_POINT_NOTIFY,
+					  enable);
+}
+
 static int
-scmi_sensor_trip_point_config(const struct scmi_handle *handle, u32 sensor_id,
-			      u8 trip_id, u64 trip_value)
+scmi_sensor_continuous_update_notify(const struct scmi_protocol_handle *ph,
+				     u32 sensor_id, bool enable)
+{
+	return scmi_sensor_request_notify(ph, sensor_id,
+					  SENSOR_CONTINUOUS_UPDATE_NOTIFY,
+					  enable);
+}
+
+static int
+scmi_sensor_trip_point_config(const struct scmi_protocol_handle *ph,
+			      u32 sensor_id, u8 trip_id, u64 trip_value)
 {
 	int ret;
 	u32 evt_cntl = SENSOR_TP_BOTH;
 	struct scmi_xfer *t;
 	struct scmi_msg_set_sensor_trip_point *trip;
 
-	ret = scmi_xfer_get_init(handle, SENSOR_TRIP_POINT_CONFIG,
-				 SCMI_PROTOCOL_SENSOR, sizeof(*trip), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, SENSOR_TRIP_POINT_CONFIG,
+				      sizeof(*trip), 0, &t);
 	if (ret)
 		return ret;
 
@@ -221,75 +620,240 @@
 	trip->value_low = cpu_to_le32(trip_value & 0xffffffff);
 	trip->value_high = cpu_to_le32(trip_value >> 32);
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_sensor_reading_get(const struct scmi_handle *handle,
+static int scmi_sensor_config_get(const struct scmi_protocol_handle *ph,
+				  u32 sensor_id, u32 *sensor_config)
+{
+	int ret;
+	struct scmi_xfer *t;
+
+	ret = ph->xops->xfer_get_init(ph, SENSOR_CONFIG_GET,
+				      sizeof(__le32), sizeof(__le32), &t);
+	if (ret)
+		return ret;
+
+	put_unaligned_le32(sensor_id, t->tx.buf);
+	ret = ph->xops->do_xfer(ph, t);
+	if (!ret) {
+		struct sensors_info *si = ph->get_priv(ph);
+		struct scmi_sensor_info *s = si->sensors + sensor_id;
+
+		*sensor_config = get_unaligned_le64(t->rx.buf);
+		s->sensor_config = *sensor_config;
+	}
+
+	ph->xops->xfer_put(ph, t);
+	return ret;
+}
+
+static int scmi_sensor_config_set(const struct scmi_protocol_handle *ph,
+				  u32 sensor_id, u32 sensor_config)
+{
+	int ret;
+	struct scmi_xfer *t;
+	struct scmi_msg_sensor_config_set *msg;
+
+	ret = ph->xops->xfer_get_init(ph, SENSOR_CONFIG_SET,
+				      sizeof(*msg), 0, &t);
+	if (ret)
+		return ret;
+
+	msg = t->tx.buf;
+	msg->id = cpu_to_le32(sensor_id);
+	msg->sensor_config = cpu_to_le32(sensor_config);
+
+	ret = ph->xops->do_xfer(ph, t);
+	if (!ret) {
+		struct sensors_info *si = ph->get_priv(ph);
+		struct scmi_sensor_info *s = si->sensors + sensor_id;
+
+		s->sensor_config = sensor_config;
+	}
+
+	ph->xops->xfer_put(ph, t);
+	return ret;
+}
+
+/**
+ * scmi_sensor_reading_get  - Read scalar sensor value
+ * @ph: Protocol handle
+ * @sensor_id: Sensor ID
+ * @value: The 64bit value sensor reading
+ *
+ * This function returns a single 64 bit reading value representing the sensor
+ * value; if the platform SCMI Protocol implementation and the sensor support
+ * multiple axis and timestamped-reads, this just returns the first axis while
+ * dropping the timestamp value.
+ * Use instead the @scmi_sensor_reading_get_timestamped to retrieve the array of
+ * timestamped multi-axis values.
+ *
+ * Return: 0 on Success
+ */
+static int scmi_sensor_reading_get(const struct scmi_protocol_handle *ph,
 				   u32 sensor_id, u64 *value)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_msg_sensor_reading_get *sensor;
-	struct sensors_info *si = handle->sensor_priv;
+	struct sensors_info *si = ph->get_priv(ph);
 	struct scmi_sensor_info *s = si->sensors + sensor_id;
 
-	ret = scmi_xfer_get_init(handle, SENSOR_READING_GET,
-				 SCMI_PROTOCOL_SENSOR, sizeof(*sensor),
-				 sizeof(u64), &t);
+	ret = ph->xops->xfer_get_init(ph, SENSOR_READING_GET,
+				      sizeof(*sensor), 0, &t);
 	if (ret)
 		return ret;
 
 	sensor = t->tx.buf;
 	sensor->id = cpu_to_le32(sensor_id);
-
 	if (s->async) {
 		sensor->flags = cpu_to_le32(SENSOR_READ_ASYNC);
-		ret = scmi_do_xfer_with_response(handle, t);
-		if (!ret)
-			*value = get_unaligned_le64((void *)
-						    ((__le32 *)t->rx.buf + 1));
+		ret = ph->xops->do_xfer_with_response(ph, t);
+		if (!ret) {
+			struct scmi_resp_sensor_reading_complete *resp;
+
+			resp = t->rx.buf;
+			if (le32_to_cpu(resp->id) == sensor_id)
+				*value =
+					get_unaligned_le64(&resp->readings_low);
+			else
+				ret = -EPROTO;
+		}
 	} else {
 		sensor->flags = cpu_to_le32(0);
-		ret = scmi_do_xfer(handle, t);
+		ret = ph->xops->do_xfer(ph, t);
 		if (!ret)
 			*value = get_unaligned_le64(t->rx.buf);
 	}
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
+	return ret;
+}
+
+static inline void
+scmi_parse_sensor_readings(struct scmi_sensor_reading *out,
+			   const struct scmi_sensor_reading_resp *in)
+{
+	out->value = get_unaligned_le64((void *)&in->sensor_value_low);
+	out->timestamp = get_unaligned_le64((void *)&in->timestamp_low);
+}
+
+/**
+ * scmi_sensor_reading_get_timestamped  - Read multiple-axis timestamped values
+ * @ph: Protocol handle
+ * @sensor_id: Sensor ID
+ * @count: The length of the provided @readings array
+ * @readings: An array of elements each representing a timestamped per-axis
+ *	      reading of type @struct scmi_sensor_reading.
+ *	      Returned readings are ordered as the @axis descriptors array
+ *	      included in @struct scmi_sensor_info and the max number of
+ *	      returned elements is min(@count, @num_axis); ideally the provided
+ *	      array should be of length @count equal to @num_axis.
+ *
+ * Return: 0 on Success
+ */
+static int
+scmi_sensor_reading_get_timestamped(const struct scmi_protocol_handle *ph,
+				    u32 sensor_id, u8 count,
+				    struct scmi_sensor_reading *readings)
+{
+	int ret;
+	struct scmi_xfer *t;
+	struct scmi_msg_sensor_reading_get *sensor;
+	struct sensors_info *si = ph->get_priv(ph);
+	struct scmi_sensor_info *s = si->sensors + sensor_id;
+
+	if (!count || !readings ||
+	    (!s->num_axis && count > 1) || (s->num_axis && count > s->num_axis))
+		return -EINVAL;
+
+	ret = ph->xops->xfer_get_init(ph, SENSOR_READING_GET,
+				      sizeof(*sensor), 0, &t);
+	if (ret)
+		return ret;
+
+	sensor = t->tx.buf;
+	sensor->id = cpu_to_le32(sensor_id);
+	if (s->async) {
+		sensor->flags = cpu_to_le32(SENSOR_READ_ASYNC);
+		ret = ph->xops->do_xfer_with_response(ph, t);
+		if (!ret) {
+			int i;
+			struct scmi_resp_sensor_reading_complete_v3 *resp;
+
+			resp = t->rx.buf;
+			/* Retrieve only the number of requested axis anyway */
+			if (le32_to_cpu(resp->id) == sensor_id)
+				for (i = 0; i < count; i++)
+					scmi_parse_sensor_readings(&readings[i],
+								   &resp->readings[i]);
+			else
+				ret = -EPROTO;
+		}
+	} else {
+		sensor->flags = cpu_to_le32(0);
+		ret = ph->xops->do_xfer(ph, t);
+		if (!ret) {
+			int i;
+			struct scmi_sensor_reading_resp *resp_readings;
+
+			resp_readings = t->rx.buf;
+			for (i = 0; i < count; i++)
+				scmi_parse_sensor_readings(&readings[i],
+							   &resp_readings[i]);
+		}
+	}
+
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
 static const struct scmi_sensor_info *
-scmi_sensor_info_get(const struct scmi_handle *handle, u32 sensor_id)
+scmi_sensor_info_get(const struct scmi_protocol_handle *ph, u32 sensor_id)
 {
-	struct sensors_info *si = handle->sensor_priv;
+	struct sensors_info *si = ph->get_priv(ph);
 
 	return si->sensors + sensor_id;
 }
 
-static int scmi_sensor_count_get(const struct scmi_handle *handle)
+static int scmi_sensor_count_get(const struct scmi_protocol_handle *ph)
 {
-	struct sensors_info *si = handle->sensor_priv;
+	struct sensors_info *si = ph->get_priv(ph);
 
 	return si->num_sensors;
 }
 
-static const struct scmi_sensor_ops sensor_ops = {
+static const struct scmi_sensor_proto_ops sensor_proto_ops = {
 	.count_get = scmi_sensor_count_get,
 	.info_get = scmi_sensor_info_get,
 	.trip_point_config = scmi_sensor_trip_point_config,
 	.reading_get = scmi_sensor_reading_get,
+	.reading_get_timestamped = scmi_sensor_reading_get_timestamped,
+	.config_get = scmi_sensor_config_get,
+	.config_set = scmi_sensor_config_set,
 };
 
-static int scmi_sensor_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_sensor_set_notify_enabled(const struct scmi_protocol_handle *ph,
 					  u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
 
-	ret = scmi_sensor_trip_point_notify(handle, src_id, enable);
+	switch (evt_id) {
+	case SCMI_EVENT_SENSOR_TRIP_POINT_EVENT:
+		ret = scmi_sensor_trip_point_notify(ph, src_id, enable);
+		break;
+	case SCMI_EVENT_SENSOR_UPDATE:
+		ret = scmi_sensor_continuous_update_notify(ph, src_id, enable);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
 	if (ret)
 		pr_debug("FAIL_ENABLED - evt[%X] dom[%d] - ret:%d\n",
 			 evt_id, src_id, ret);
@@ -297,25 +861,72 @@
 	return ret;
 }
 
-static void *scmi_sensor_fill_custom_report(const struct scmi_handle *handle,
-					    u8 evt_id, ktime_t timestamp,
-					    const void *payld, size_t payld_sz,
-					    void *report, u32 *src_id)
+static void *
+scmi_sensor_fill_custom_report(const struct scmi_protocol_handle *ph,
+			       u8 evt_id, ktime_t timestamp,
+			       const void *payld, size_t payld_sz,
+			       void *report, u32 *src_id)
 {
-	const struct scmi_sensor_trip_notify_payld *p = payld;
-	struct scmi_sensor_trip_point_report *r = report;
+	void *rep = NULL;
 
-	if (evt_id != SCMI_EVENT_SENSOR_TRIP_POINT_EVENT ||
-	    sizeof(*p) != payld_sz)
-		return NULL;
+	switch (evt_id) {
+	case SCMI_EVENT_SENSOR_TRIP_POINT_EVENT:
+	{
+		const struct scmi_sensor_trip_notify_payld *p = payld;
+		struct scmi_sensor_trip_point_report *r = report;
 
-	r->timestamp = timestamp;
-	r->agent_id = le32_to_cpu(p->agent_id);
-	r->sensor_id = le32_to_cpu(p->sensor_id);
-	r->trip_point_desc = le32_to_cpu(p->trip_point_desc);
-	*src_id = r->sensor_id;
+		if (sizeof(*p) != payld_sz)
+			break;
 
-	return r;
+		r->timestamp = timestamp;
+		r->agent_id = le32_to_cpu(p->agent_id);
+		r->sensor_id = le32_to_cpu(p->sensor_id);
+		r->trip_point_desc = le32_to_cpu(p->trip_point_desc);
+		*src_id = r->sensor_id;
+		rep = r;
+		break;
+	}
+	case SCMI_EVENT_SENSOR_UPDATE:
+	{
+		int i;
+		struct scmi_sensor_info *s;
+		const struct scmi_sensor_update_notify_payld *p = payld;
+		struct scmi_sensor_update_report *r = report;
+		struct sensors_info *sinfo = ph->get_priv(ph);
+
+		/* payld_sz is variable for this event */
+		r->sensor_id = le32_to_cpu(p->sensor_id);
+		if (r->sensor_id >= sinfo->num_sensors)
+			break;
+		r->timestamp = timestamp;
+		r->agent_id = le32_to_cpu(p->agent_id);
+		s = &sinfo->sensors[r->sensor_id];
+		/*
+		 * The generated report r (@struct scmi_sensor_update_report)
+		 * was pre-allocated to contain up to SCMI_MAX_NUM_SENSOR_AXIS
+		 * readings: here it is filled with the effective @num_axis
+		 * readings defined for this sensor or 1 for scalar sensors.
+		 */
+		r->readings_count = s->num_axis ?: 1;
+		for (i = 0; i < r->readings_count; i++)
+			scmi_parse_sensor_readings(&r->readings[i],
+						   &p->readings[i]);
+		*src_id = r->sensor_id;
+		rep = r;
+		break;
+	}
+	default:
+		break;
+	}
+
+	return rep;
+}
+
+static int scmi_sensor_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+	struct sensors_info *si = ph->get_priv(ph);
+
+	return si->num_sensors;
 }
 
 static const struct scmi_event sensor_events[] = {
@@ -324,47 +935,68 @@
 		.max_payld_sz = sizeof(struct scmi_sensor_trip_notify_payld),
 		.max_report_sz = sizeof(struct scmi_sensor_trip_point_report),
 	},
+	{
+		.id = SCMI_EVENT_SENSOR_UPDATE,
+		.max_payld_sz =
+			sizeof(struct scmi_sensor_update_notify_payld) +
+			 SCMI_MAX_NUM_SENSOR_AXIS *
+			 sizeof(struct scmi_sensor_reading_resp),
+		.max_report_sz = sizeof(struct scmi_sensor_update_report) +
+				  SCMI_MAX_NUM_SENSOR_AXIS *
+				  sizeof(struct scmi_sensor_reading),
+	},
 };
 
 static const struct scmi_event_ops sensor_event_ops = {
+	.get_num_sources = scmi_sensor_get_num_sources,
 	.set_notify_enabled = scmi_sensor_set_notify_enabled,
 	.fill_custom_report = scmi_sensor_fill_custom_report,
 };
 
-static int scmi_sensors_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events sensor_protocol_events = {
+	.queue_sz = SCMI_PROTO_QUEUE_SZ,
+	.ops = &sensor_event_ops,
+	.evts = sensor_events,
+	.num_events = ARRAY_SIZE(sensor_events),
+};
+
+static int scmi_sensors_protocol_init(const struct scmi_protocol_handle *ph)
 {
 	u32 version;
+	int ret;
 	struct sensors_info *sinfo;
 
-	scmi_version_get(handle, SCMI_PROTOCOL_SENSOR, &version);
+	ph->xops->version_get(ph, &version);
 
-	dev_dbg(handle->dev, "Sensor Version %d.%d\n",
+	dev_dbg(ph->dev, "Sensor Version %d.%d\n",
 		PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
 
-	sinfo = devm_kzalloc(handle->dev, sizeof(*sinfo), GFP_KERNEL);
+	sinfo = devm_kzalloc(ph->dev, sizeof(*sinfo), GFP_KERNEL);
 	if (!sinfo)
 		return -ENOMEM;
+	sinfo->version = version;
 
-	scmi_sensor_attributes_get(handle, sinfo);
-
-	sinfo->sensors = devm_kcalloc(handle->dev, sinfo->num_sensors,
+	ret = scmi_sensor_attributes_get(ph, sinfo);
+	if (ret)
+		return ret;
+	sinfo->sensors = devm_kcalloc(ph->dev, sinfo->num_sensors,
 				      sizeof(*sinfo->sensors), GFP_KERNEL);
 	if (!sinfo->sensors)
 		return -ENOMEM;
 
-	scmi_sensor_description_get(handle, sinfo);
+	ret = scmi_sensor_description_get(ph, sinfo);
+	if (ret)
+		return ret;
 
-	scmi_register_protocol_events(handle,
-				      SCMI_PROTOCOL_SENSOR, SCMI_PROTO_QUEUE_SZ,
-				      &sensor_event_ops, sensor_events,
-				      ARRAY_SIZE(sensor_events),
-				      sinfo->num_sensors);
-
-	sinfo->version = version;
-	handle->sensor_ops = &sensor_ops;
-	handle->sensor_priv = sinfo;
-
-	return 0;
+	return ph->set_priv(ph, sinfo);
 }
 
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SENSOR, sensors)
+static const struct scmi_protocol scmi_sensors = {
+	.id = SCMI_PROTOCOL_SENSOR,
+	.owner = THIS_MODULE,
+	.init_instance = &scmi_sensors_protocol_init,
+	.ops = &sensor_proto_ops,
+	.events = &sensor_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(sensors, scmi_sensors)
diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c
index 82a82a5..fcbe267 100644
--- a/drivers/firmware/arm_scmi/smc.c
+++ b/drivers/firmware/arm_scmi/smc.c
@@ -9,9 +9,11 @@
 #include <linux/arm-smccc.h>
 #include <linux/device.h>
 #include <linux/err.h>
+#include <linux/interrupt.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/of_irq.h>
 #include <linux/slab.h>
 
 #include "common.h"
@@ -23,6 +25,8 @@
  * @shmem: Transmit/Receive shared memory area
  * @shmem_lock: Lock to protect access to Tx/Rx shared memory area
  * @func_id: smc/hvc call function id
+ * @irq: Optional; employed when platforms indicates msg completion by intr.
+ * @tx_complete: Optional, employed only when irq is valid.
  */
 
 struct scmi_smc {
@@ -30,8 +34,19 @@
 	struct scmi_shared_mem __iomem *shmem;
 	struct mutex shmem_lock;
 	u32 func_id;
+	int irq;
+	struct completion tx_complete;
 };
 
+static irqreturn_t smc_msg_done_isr(int irq, void *data)
+{
+	struct scmi_smc *scmi_info = data;
+
+	complete(&scmi_info->tx_complete);
+
+	return IRQ_HANDLED;
+}
+
 static bool smc_chan_available(struct device *dev, int idx)
 {
 	struct device_node *np = of_parse_phandle(dev->of_node, "shmem", 0);
@@ -51,7 +66,7 @@
 	struct resource res;
 	struct device_node *np;
 	u32 func_id;
-	int ret;
+	int ret, irq;
 
 	if (!tx)
 		return -ENODEV;
@@ -79,6 +94,24 @@
 	if (ret < 0)
 		return ret;
 
+	/*
+	 * If there is an interrupt named "a2p", then the service and
+	 * completion of a message is signaled by an interrupt rather than by
+	 * the return of the SMC call.
+	 */
+	irq = of_irq_get_byname(cdev->of_node, "a2p");
+	if (irq > 0) {
+		ret = devm_request_irq(dev, irq, smc_msg_done_isr,
+				       IRQF_NO_SUSPEND,
+				       dev_name(dev), scmi_info);
+		if (ret) {
+			dev_err(dev, "failed to setup SCMI smc irq\n");
+			return ret;
+		}
+		init_completion(&scmi_info->tx_complete);
+		scmi_info->irq = irq;
+	}
+
 	scmi_info->func_id = func_id;
 	scmi_info->cinfo = cinfo;
 	mutex_init(&scmi_info->shmem_lock);
@@ -110,7 +143,14 @@
 
 	shmem_tx_prepare(scmi_info->shmem, xfer);
 
+	if (scmi_info->irq)
+		reinit_completion(&scmi_info->tx_complete);
+
 	arm_smccc_1_1_invoke(scmi_info->func_id, 0, 0, 0, 0, 0, 0, 0, &res);
+
+	if (scmi_info->irq)
+		wait_for_completion(&scmi_info->tx_complete);
+
 	scmi_rx_callback(scmi_info->cinfo, shmem_read_header(scmi_info->shmem));
 
 	mutex_unlock(&scmi_info->shmem_lock);
diff --git a/drivers/firmware/arm_scmi/system.c b/drivers/firmware/arm_scmi/system.c
index 283e12d..a68bad2 100644
--- a/drivers/firmware/arm_scmi/system.c
+++ b/drivers/firmware/arm_scmi/system.c
@@ -7,6 +7,7 @@
 
 #define pr_fmt(fmt) "SCMI Notifications SYSTEM - " fmt
 
+#include <linux/module.h>
 #include <linux/scmi_protocol.h>
 
 #include "common.h"
@@ -32,43 +33,44 @@
 	u32 version;
 };
 
-static int scmi_system_request_notify(const struct scmi_handle *handle,
+static int scmi_system_request_notify(const struct scmi_protocol_handle *ph,
 				      bool enable)
 {
 	int ret;
 	struct scmi_xfer *t;
 	struct scmi_system_power_state_notify *notify;
 
-	ret = scmi_xfer_get_init(handle, SYSTEM_POWER_STATE_NOTIFY,
-				 SCMI_PROTOCOL_SYSTEM, sizeof(*notify), 0, &t);
+	ret = ph->xops->xfer_get_init(ph, SYSTEM_POWER_STATE_NOTIFY,
+				      sizeof(*notify), 0, &t);
 	if (ret)
 		return ret;
 
 	notify = t->tx.buf;
 	notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0;
 
-	ret = scmi_do_xfer(handle, t);
+	ret = ph->xops->do_xfer(ph, t);
 
-	scmi_xfer_put(handle, t);
+	ph->xops->xfer_put(ph, t);
 	return ret;
 }
 
-static int scmi_system_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_system_set_notify_enabled(const struct scmi_protocol_handle *ph,
 					  u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
 
-	ret = scmi_system_request_notify(handle, enable);
+	ret = scmi_system_request_notify(ph, enable);
 	if (ret)
 		pr_debug("FAIL_ENABLE - evt[%X] - ret:%d\n", evt_id, ret);
 
 	return ret;
 }
 
-static void *scmi_system_fill_custom_report(const struct scmi_handle *handle,
-					    u8 evt_id, ktime_t timestamp,
-					    const void *payld, size_t payld_sz,
-					    void *report, u32 *src_id)
+static void *
+scmi_system_fill_custom_report(const struct scmi_protocol_handle *ph,
+			       u8 evt_id, ktime_t timestamp,
+			       const void *payld, size_t payld_sz,
+			       void *report, u32 *src_id)
 {
 	const struct scmi_system_power_state_notifier_payld *p = payld;
 	struct scmi_system_power_state_notifier_report *r = report;
@@ -101,31 +103,38 @@
 	.fill_custom_report = scmi_system_fill_custom_report,
 };
 
-static int scmi_system_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events system_protocol_events = {
+	.queue_sz = SCMI_PROTO_QUEUE_SZ,
+	.ops = &system_event_ops,
+	.evts = system_events,
+	.num_events = ARRAY_SIZE(system_events),
+	.num_sources = SCMI_SYSTEM_NUM_SOURCES,
+};
+
+static int scmi_system_protocol_init(const struct scmi_protocol_handle *ph)
 {
 	u32 version;
 	struct scmi_system_info *pinfo;
 
-	scmi_version_get(handle, SCMI_PROTOCOL_SYSTEM, &version);
+	ph->xops->version_get(ph, &version);
 
-	dev_dbg(handle->dev, "System Power Version %d.%d\n",
+	dev_dbg(ph->dev, "System Power Version %d.%d\n",
 		PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
 
-	pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+	pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
 	if (!pinfo)
 		return -ENOMEM;
 
-	scmi_register_protocol_events(handle,
-				      SCMI_PROTOCOL_SYSTEM, SCMI_PROTO_QUEUE_SZ,
-				      &system_event_ops,
-				      system_events,
-				      ARRAY_SIZE(system_events),
-				      SCMI_SYSTEM_NUM_SOURCES);
-
 	pinfo->version = version;
-	handle->system_priv = pinfo;
-
-	return 0;
+	return ph->set_priv(ph, pinfo);
 }
 
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SYSTEM, system)
+static const struct scmi_protocol scmi_system = {
+	.id = SCMI_PROTOCOL_SYSTEM,
+	.owner = THIS_MODULE,
+	.init_instance = &scmi_system_protocol_init,
+	.ops = NULL,
+	.events = &system_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(system, scmi_system)
diff --git a/drivers/firmware/arm_scmi/voltage.c b/drivers/firmware/arm_scmi/voltage.c
new file mode 100644
index 0000000..ab22f4c
--- /dev/null
+++ b/drivers/firmware/arm_scmi/voltage.c
@@ -0,0 +1,378 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * System Control and Management Interface (SCMI) Voltage Protocol
+ *
+ * Copyright (C) 2020 ARM Ltd.
+ */
+
+#include <linux/scmi_protocol.h>
+
+#include "common.h"
+
+#define VOLTAGE_DOMS_NUM_MASK		GENMASK(15, 0)
+#define REMAINING_LEVELS_MASK		GENMASK(31, 16)
+#define RETURNED_LEVELS_MASK		GENMASK(11, 0)
+
+enum scmi_voltage_protocol_cmd {
+	VOLTAGE_DOMAIN_ATTRIBUTES = 0x3,
+	VOLTAGE_DESCRIBE_LEVELS = 0x4,
+	VOLTAGE_CONFIG_SET = 0x5,
+	VOLTAGE_CONFIG_GET = 0x6,
+	VOLTAGE_LEVEL_SET = 0x7,
+	VOLTAGE_LEVEL_GET = 0x8,
+};
+
+#define NUM_VOLTAGE_DOMAINS(x)	((u16)(FIELD_GET(VOLTAGE_DOMS_NUM_MASK, (x))))
+
+struct scmi_msg_resp_domain_attributes {
+	__le32 attr;
+	u8 name[SCMI_MAX_STR_SIZE];
+};
+
+struct scmi_msg_cmd_describe_levels {
+	__le32 domain_id;
+	__le32 level_index;
+};
+
+struct scmi_msg_resp_describe_levels {
+	__le32 flags;
+#define NUM_REMAINING_LEVELS(f)	((u16)(FIELD_GET(REMAINING_LEVELS_MASK, (f))))
+#define NUM_RETURNED_LEVELS(f)	((u16)(FIELD_GET(RETURNED_LEVELS_MASK, (f))))
+#define SUPPORTS_SEGMENTED_LEVELS(f)	((f) & BIT(12))
+	__le32 voltage[];
+};
+
+struct scmi_msg_cmd_config_set {
+	__le32 domain_id;
+	__le32 config;
+};
+
+struct scmi_msg_cmd_level_set {
+	__le32 domain_id;
+	__le32 flags;
+	__le32 voltage_level;
+};
+
+struct voltage_info {
+	unsigned int version;
+	unsigned int num_domains;
+	struct scmi_voltage_info *domains;
+};
+
+static int scmi_protocol_attributes_get(const struct scmi_protocol_handle *ph,
+					struct voltage_info *vinfo)
+{
+	int ret;
+	struct scmi_xfer *t;
+
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0,
+				      sizeof(__le32), &t);
+	if (ret)
+		return ret;
+
+	ret = ph->xops->do_xfer(ph, t);
+	if (!ret)
+		vinfo->num_domains =
+			NUM_VOLTAGE_DOMAINS(get_unaligned_le32(t->rx.buf));
+
+	ph->xops->xfer_put(ph, t);
+	return ret;
+}
+
+static int scmi_init_voltage_levels(struct device *dev,
+				    struct scmi_voltage_info *v,
+				    u32 num_returned, u32 num_remaining,
+				    bool segmented)
+{
+	u32 num_levels;
+
+	num_levels = num_returned + num_remaining;
+	/*
+	 * segmented levels entries are represented by a single triplet
+	 * returned all in one go.
+	 */
+	if (!num_levels ||
+	    (segmented && (num_remaining || num_returned != 3))) {
+		dev_err(dev,
+			"Invalid level descriptor(%d/%d/%d) for voltage dom %d\n",
+			num_levels, num_returned, num_remaining, v->id);
+		return -EINVAL;
+	}
+
+	v->levels_uv = devm_kcalloc(dev, num_levels, sizeof(u32), GFP_KERNEL);
+	if (!v->levels_uv)
+		return -ENOMEM;
+
+	v->num_levels = num_levels;
+	v->segmented = segmented;
+
+	return 0;
+}
+
+static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph,
+					struct voltage_info *vinfo)
+{
+	int ret, dom;
+	struct scmi_xfer *td, *tl;
+	struct device *dev = ph->dev;
+	struct scmi_msg_resp_domain_attributes *resp_dom;
+	struct scmi_msg_resp_describe_levels *resp_levels;
+
+	ret = ph->xops->xfer_get_init(ph, VOLTAGE_DOMAIN_ATTRIBUTES,
+				      sizeof(__le32), sizeof(*resp_dom), &td);
+	if (ret)
+		return ret;
+	resp_dom = td->rx.buf;
+
+	ret = ph->xops->xfer_get_init(ph, VOLTAGE_DESCRIBE_LEVELS,
+				      sizeof(__le64), 0, &tl);
+	if (ret)
+		goto outd;
+	resp_levels = tl->rx.buf;
+
+	for (dom = 0; dom < vinfo->num_domains; dom++) {
+		u32 desc_index = 0;
+		u16 num_returned = 0, num_remaining = 0;
+		struct scmi_msg_cmd_describe_levels *cmd;
+		struct scmi_voltage_info *v;
+
+		/* Retrieve domain attributes at first ... */
+		put_unaligned_le32(dom, td->tx.buf);
+		ret = ph->xops->do_xfer(ph, td);
+		/* Skip domain on comms error */
+		if (ret)
+			continue;
+
+		v = vinfo->domains + dom;
+		v->id = dom;
+		v->attributes = le32_to_cpu(resp_dom->attr);
+		strlcpy(v->name, resp_dom->name, SCMI_MAX_STR_SIZE);
+
+		cmd = tl->tx.buf;
+		/* ...then retrieve domain levels descriptions */
+		do {
+			u32 flags;
+			int cnt;
+
+			cmd->domain_id = cpu_to_le32(v->id);
+			cmd->level_index = cpu_to_le32(desc_index);
+			ret = ph->xops->do_xfer(ph, tl);
+			if (ret)
+				break;
+
+			flags = le32_to_cpu(resp_levels->flags);
+			num_returned = NUM_RETURNED_LEVELS(flags);
+			num_remaining = NUM_REMAINING_LEVELS(flags);
+
+			/* Allocate space for num_levels if not already done */
+			if (!v->num_levels) {
+				ret = scmi_init_voltage_levels(dev, v,
+							       num_returned,
+							       num_remaining,
+					      SUPPORTS_SEGMENTED_LEVELS(flags));
+				if (ret)
+					break;
+			}
+
+			if (desc_index + num_returned > v->num_levels) {
+				dev_err(ph->dev,
+					"No. of voltage levels can't exceed %d\n",
+					v->num_levels);
+				ret = -EINVAL;
+				break;
+			}
+
+			for (cnt = 0; cnt < num_returned; cnt++) {
+				s32 val;
+
+				val =
+				    (s32)le32_to_cpu(resp_levels->voltage[cnt]);
+				v->levels_uv[desc_index + cnt] = val;
+				if (val < 0)
+					v->negative_volts_allowed = true;
+			}
+
+			desc_index += num_returned;
+
+			ph->xops->reset_rx_to_maxsz(ph, tl);
+			/* check both to avoid infinite loop due to buggy fw */
+		} while (num_returned && num_remaining);
+
+		if (ret) {
+			v->num_levels = 0;
+			devm_kfree(dev, v->levels_uv);
+		}
+
+		ph->xops->reset_rx_to_maxsz(ph, td);
+	}
+
+	ph->xops->xfer_put(ph, tl);
+outd:
+	ph->xops->xfer_put(ph, td);
+
+	return ret;
+}
+
+static int __scmi_voltage_get_u32(const struct scmi_protocol_handle *ph,
+				  u8 cmd_id, u32 domain_id, u32 *value)
+{
+	int ret;
+	struct scmi_xfer *t;
+	struct voltage_info *vinfo = ph->get_priv(ph);
+
+	if (domain_id >= vinfo->num_domains)
+		return -EINVAL;
+
+	ret = ph->xops->xfer_get_init(ph, cmd_id, sizeof(__le32), 0, &t);
+	if (ret)
+		return ret;
+
+	put_unaligned_le32(domain_id, t->tx.buf);
+	ret = ph->xops->do_xfer(ph, t);
+	if (!ret)
+		*value = get_unaligned_le32(t->rx.buf);
+
+	ph->xops->xfer_put(ph, t);
+	return ret;
+}
+
+static int scmi_voltage_config_set(const struct scmi_protocol_handle *ph,
+				   u32 domain_id, u32 config)
+{
+	int ret;
+	struct scmi_xfer *t;
+	struct voltage_info *vinfo = ph->get_priv(ph);
+	struct scmi_msg_cmd_config_set *cmd;
+
+	if (domain_id >= vinfo->num_domains)
+		return -EINVAL;
+
+	ret = ph->xops->xfer_get_init(ph, VOLTAGE_CONFIG_SET,
+				     sizeof(*cmd), 0, &t);
+	if (ret)
+		return ret;
+
+	cmd = t->tx.buf;
+	cmd->domain_id = cpu_to_le32(domain_id);
+	cmd->config = cpu_to_le32(config & GENMASK(3, 0));
+
+	ret = ph->xops->do_xfer(ph, t);
+
+	ph->xops->xfer_put(ph, t);
+	return ret;
+}
+
+static int scmi_voltage_config_get(const struct scmi_protocol_handle *ph,
+				   u32 domain_id, u32 *config)
+{
+	return __scmi_voltage_get_u32(ph, VOLTAGE_CONFIG_GET,
+				      domain_id, config);
+}
+
+static int scmi_voltage_level_set(const struct scmi_protocol_handle *ph,
+				  u32 domain_id, u32 flags, s32 volt_uV)
+{
+	int ret;
+	struct scmi_xfer *t;
+	struct voltage_info *vinfo = ph->get_priv(ph);
+	struct scmi_msg_cmd_level_set *cmd;
+
+	if (domain_id >= vinfo->num_domains)
+		return -EINVAL;
+
+	ret = ph->xops->xfer_get_init(ph, VOLTAGE_LEVEL_SET,
+				      sizeof(*cmd), 0, &t);
+	if (ret)
+		return ret;
+
+	cmd = t->tx.buf;
+	cmd->domain_id = cpu_to_le32(domain_id);
+	cmd->flags = cpu_to_le32(flags);
+	cmd->voltage_level = cpu_to_le32(volt_uV);
+
+	ret = ph->xops->do_xfer(ph, t);
+
+	ph->xops->xfer_put(ph, t);
+	return ret;
+}
+
+static int scmi_voltage_level_get(const struct scmi_protocol_handle *ph,
+				  u32 domain_id, s32 *volt_uV)
+{
+	return __scmi_voltage_get_u32(ph, VOLTAGE_LEVEL_GET,
+				      domain_id, (u32 *)volt_uV);
+}
+
+static const struct scmi_voltage_info * __must_check
+scmi_voltage_info_get(const struct scmi_protocol_handle *ph, u32 domain_id)
+{
+	struct voltage_info *vinfo = ph->get_priv(ph);
+
+	if (domain_id >= vinfo->num_domains ||
+	    !vinfo->domains[domain_id].num_levels)
+		return NULL;
+
+	return vinfo->domains + domain_id;
+}
+
+static int scmi_voltage_domains_num_get(const struct scmi_protocol_handle *ph)
+{
+	struct voltage_info *vinfo = ph->get_priv(ph);
+
+	return vinfo->num_domains;
+}
+
+static struct scmi_voltage_proto_ops voltage_proto_ops = {
+	.num_domains_get = scmi_voltage_domains_num_get,
+	.info_get = scmi_voltage_info_get,
+	.config_set = scmi_voltage_config_set,
+	.config_get = scmi_voltage_config_get,
+	.level_set = scmi_voltage_level_set,
+	.level_get = scmi_voltage_level_get,
+};
+
+static int scmi_voltage_protocol_init(const struct scmi_protocol_handle *ph)
+{
+	int ret;
+	u32 version;
+	struct voltage_info *vinfo;
+
+	ret = ph->xops->version_get(ph, &version);
+	if (ret)
+		return ret;
+
+	dev_dbg(ph->dev, "Voltage Version %d.%d\n",
+		PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
+
+	vinfo = devm_kzalloc(ph->dev, sizeof(*vinfo), GFP_KERNEL);
+	if (!vinfo)
+		return -ENOMEM;
+	vinfo->version = version;
+
+	ret = scmi_protocol_attributes_get(ph, vinfo);
+	if (ret)
+		return ret;
+
+	if (vinfo->num_domains) {
+		vinfo->domains = devm_kcalloc(ph->dev, vinfo->num_domains,
+					      sizeof(*vinfo->domains),
+					      GFP_KERNEL);
+		if (!vinfo->domains)
+			return -ENOMEM;
+		ret = scmi_voltage_descriptors_get(ph, vinfo);
+		if (ret)
+			return ret;
+	} else {
+		dev_warn(ph->dev, "No Voltage domains found.\n");
+	}
+
+	return ph->set_priv(ph, vinfo);
+}
+
+static const struct scmi_protocol scmi_voltage = {
+	.id = SCMI_PROTOCOL_VOLTAGE,
+	.init_instance = &scmi_voltage_protocol_init,
+	.ops = &voltage_proto_ops,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(voltage, scmi_voltage)
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 68e55ca7..e5ded27 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -44,8 +44,6 @@
 /* entry point from firmware to arch asm code */
 static unsigned long sdei_entry_point;
 
-static int sdei_hp_state;
-
 struct sdei_event {
 	/* These three are protected by the sdei_list_lock */
 	struct list_head	list;
@@ -304,6 +302,8 @@
 {
 	int err;
 
+	WARN_ON_ONCE(preemptible());
+
 	err = invoke_sdei_fn(SDEI_1_0_FN_SDEI_PE_MASK, 0, 0, 0, 0, 0, NULL);
 	if (err && err != -EIO) {
 		pr_warn_once("failed to mask CPU[%u]: %d\n",
@@ -316,7 +316,6 @@
 
 static void _ipi_mask_cpu(void *ignored)
 {
-	WARN_ON_ONCE(preemptible());
 	sdei_mask_local_cpu();
 }
 
@@ -324,6 +323,8 @@
 {
 	int err;
 
+	WARN_ON_ONCE(preemptible());
+
 	err = invoke_sdei_fn(SDEI_1_0_FN_SDEI_PE_UNMASK, 0, 0, 0, 0, 0, NULL);
 	if (err && err != -EIO) {
 		pr_warn_once("failed to unmask CPU[%u]: %d\n",
@@ -336,7 +337,6 @@
 
 static void _ipi_unmask_cpu(void *ignored)
 {
-	WARN_ON_ONCE(preemptible());
 	sdei_unmask_local_cpu();
 }
 
@@ -344,8 +344,6 @@
 {
 	int err;
 
-	WARN_ON_ONCE(preemptible());
-
 	err = invoke_sdei_fn(SDEI_1_0_FN_SDEI_PRIVATE_RESET, 0, 0, 0, 0, 0,
 			     NULL);
 	if (err && err != -EIO)
@@ -392,6 +390,8 @@
 	int err;
 	struct sdei_crosscall_args *arg = data;
 
+	WARN_ON_ONCE(preemptible());
+
 	err = sdei_api_event_enable(arg->event->event_num);
 
 	sdei_cross_call_return(arg, err);
@@ -480,6 +480,8 @@
 	int err;
 	struct sdei_crosscall_args *arg = data;
 
+	WARN_ON_ONCE(preemptible());
+
 	err = sdei_api_event_unregister(arg->event->event_num);
 
 	sdei_cross_call_return(arg, err);
@@ -560,6 +562,8 @@
 	struct sdei_registered_event *reg;
 	struct sdei_crosscall_args *arg = data;
 
+	WARN_ON(preemptible());
+
 	reg = per_cpu_ptr(arg->event->private_registered, smp_processor_id());
 	err = sdei_api_event_register(arg->event->event_num, sdei_entry_point,
 				      reg, 0, 0);
@@ -714,8 +718,6 @@
 {
 	int rv;
 
-	WARN_ON_ONCE(preemptible());
-
 	switch (action) {
 	case CPU_PM_ENTER:
 		rv = sdei_mask_local_cpu();
@@ -764,7 +766,7 @@
 	int err;
 
 	/* unregister private events */
-	cpuhp_remove_state(sdei_entry_point);
+	cpuhp_remove_state(CPUHP_AP_ARM_SDEI_STARTING);
 
 	err = sdei_unregister_shared();
 	if (err)
@@ -785,15 +787,12 @@
 		return err;
 	}
 
-	err = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "SDEI",
+	err = cpuhp_setup_state(CPUHP_AP_ARM_SDEI_STARTING, "SDEI",
 				&sdei_cpuhp_up, &sdei_cpuhp_down);
-	if (err < 0) {
+	if (err)
 		pr_warn("Failed to re-register CPU hotplug notifier...\n");
-		return err;
-	}
 
-	sdei_hp_state = err;
-	return 0;
+	return err;
 }
 
 static int sdei_device_restore(struct device *dev)
@@ -825,7 +824,7 @@
 	 * We are going to reset the interface, after this there is no point
 	 * doing work when we take CPUs offline.
 	 */
-	cpuhp_remove_state(sdei_hp_state);
+	cpuhp_remove_state(CPUHP_AP_ARM_SDEI_STARTING);
 
 	sdei_platform_reset();
 
@@ -1005,15 +1004,13 @@
 		goto remove_cpupm;
 	}
 
-	err = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "SDEI",
+	err = cpuhp_setup_state(CPUHP_AP_ARM_SDEI_STARTING, "SDEI",
 				&sdei_cpuhp_up, &sdei_cpuhp_down);
-	if (err < 0) {
+	if (err) {
 		pr_warn("Failed to register CPU hotplug notifier...\n");
 		goto remove_reboot;
 	}
 
-	sdei_hp_state = err;
-
 	return 0;
 
 remove_reboot:
diff --git a/drivers/firmware/efi/efi-init.c b/drivers/firmware/efi/efi-init.c
index f55a92f..a552a08 100644
--- a/drivers/firmware/efi/efi-init.c
+++ b/drivers/firmware/efi/efi-init.c
@@ -316,11 +316,9 @@
  * resource reservation conflict on the memory window that the efifb
  * framebuffer steals from the PCIe host bridge.
  */
-static int efifb_add_links(const struct fwnode_handle *fwnode,
-			   struct device *dev)
+static int efifb_add_links(struct fwnode_handle *fwnode)
 {
 	struct device_node *sup_np;
-	struct device *sup_dev;
 
 	sup_np = find_pci_overlap_node();
 
@@ -331,27 +329,9 @@
 	if (!sup_np)
 		return 0;
 
-	sup_dev = get_dev_from_fwnode(&sup_np->fwnode);
+	fwnode_link_add(fwnode, of_fwnode_handle(sup_np));
 	of_node_put(sup_np);
 
-	/*
-	 * Return -ENODEV if the PCI graphics controller device hasn't been
-	 * registered yet.  This ensures that efifb isn't allowed to probe
-	 * and this function is retried again when new devices are
-	 * registered.
-	 */
-	if (!sup_dev)
-		return -ENODEV;
-
-	/*
-	 * If this fails, retrying this function at a later point won't
-	 * change anything. So, don't return an error after this.
-	 */
-	if (!device_link_add(dev, sup_dev, fw_devlink_get_flags()))
-		dev_warn(dev, "device_link_add() failed\n");
-
-	put_device(sup_dev);
-
 	return 0;
 }
 
@@ -359,9 +339,7 @@
 	.add_links = efifb_add_links,
 };
 
-static struct fwnode_handle efifb_fwnode = {
-	.ops = &efifb_fwnode_ops,
-};
+static struct fwnode_handle efifb_fwnode;
 
 static int __init register_gop_device(void)
 {
@@ -375,8 +353,10 @@
 	if (!pd)
 		return -ENOMEM;
 
-	if (IS_ENABLED(CONFIG_PCI))
+	if (IS_ENABLED(CONFIG_PCI)) {
+		fwnode_init(&efifb_fwnode, &efifb_fwnode_ops);
 		pd->dev.fwnode = &efifb_fwnode;
+	}
 
 	err = platform_device_add_data(pd, &screen_info, sizeof(screen_info));
 	if (err)
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index 7e771c5..0ef086e 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -266,7 +266,7 @@
 		efi_name[i] = name[i];
 
 	ret = efivar_entry_set_safe(efi_name, vendor, PSTORE_EFI_ATTRIBUTES,
-			      false, record->size, record->psi->buf);
+			      preemptible(), record->size, record->psi->buf);
 
 	if (record->reason == KMSG_DUMP_OOPS && try_module_get(THIS_MODULE))
 		if (!schedule_work(&efivar_work))
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index 433e11d..2c67f71 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -46,6 +46,8 @@
 
 # remove SCS flags from all objects in this directory
 KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
+# disable LTO
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS))
 
 GCOV_PROFILE			:= n
 # Sanitizer runtimes are unavailable and cannot be linked here.
diff --git a/drivers/firmware/meson/Kconfig b/drivers/firmware/meson/Kconfig
index 2671dcd..f2fdd37 100644
--- a/drivers/firmware/meson/Kconfig
+++ b/drivers/firmware/meson/Kconfig
@@ -3,8 +3,9 @@
 # Amlogic Secure Monitor driver
 #
 config MESON_SM
-	bool
-	default ARCH_MESON
+	tristate "Amlogic Secure Monitor driver"
+	depends on ARCH_MESON || COMPILE_TEST
+	default y
 	depends on ARM64_4K_PAGES
 	help
 	  Say y here to enable the Amlogic secure monitor driver
diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index 7dff883..bf19dd6 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -336,3 +336,4 @@
 	},
 };
 module_platform_driver_probe(meson_sm_driver, meson_sm_probe);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 00af99b..47feb83 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -23,6 +23,7 @@
 
 #include <asm/cpuidle.h>
 #include <asm/cputype.h>
+#include <asm/hypervisor.h>
 #include <asm/system_misc.h>
 #include <asm/smp_plat.h>
 #include <asm/suspend.h>
@@ -58,15 +59,12 @@
 				unsigned long, unsigned long);
 static psci_fn *invoke_psci_fn;
 
-enum psci_function {
-	PSCI_FN_CPU_SUSPEND,
-	PSCI_FN_CPU_ON,
-	PSCI_FN_CPU_OFF,
-	PSCI_FN_MIGRATE,
-	PSCI_FN_MAX,
-};
+static struct psci_0_1_function_ids psci_0_1_function_ids;
 
-static u32 psci_function_id[PSCI_FN_MAX];
+struct psci_0_1_function_ids get_psci_0_1_function_ids(void)
+{
+	return psci_0_1_function_ids;
+}
 
 #define PSCI_0_2_POWER_STATE_MASK		\
 				(PSCI_0_2_POWER_STATE_ID_MASK | \
@@ -146,7 +144,12 @@
 	return -EINVAL;
 }
 
-static u32 psci_get_version(void)
+static u32 psci_0_1_get_version(void)
+{
+	return PSCI_VERSION(0, 1);
+}
+
+static u32 psci_0_2_get_version(void)
 {
 	return invoke_psci_fn(PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0);
 }
@@ -163,46 +166,80 @@
 	return psci_to_linux_errno(err);
 }
 
-static int psci_cpu_suspend(u32 state, unsigned long entry_point)
+static int __psci_cpu_suspend(u32 fn, u32 state, unsigned long entry_point)
 {
 	int err;
-	u32 fn;
 
-	fn = psci_function_id[PSCI_FN_CPU_SUSPEND];
 	err = invoke_psci_fn(fn, state, entry_point, 0);
 	return psci_to_linux_errno(err);
 }
 
-static int psci_cpu_off(u32 state)
+static int psci_0_1_cpu_suspend(u32 state, unsigned long entry_point)
+{
+	return __psci_cpu_suspend(psci_0_1_function_ids.cpu_suspend,
+				  state, entry_point);
+}
+
+static int psci_0_2_cpu_suspend(u32 state, unsigned long entry_point)
+{
+	return __psci_cpu_suspend(PSCI_FN_NATIVE(0_2, CPU_SUSPEND),
+				  state, entry_point);
+}
+
+static int __psci_cpu_off(u32 fn, u32 state)
 {
 	int err;
-	u32 fn;
 
-	fn = psci_function_id[PSCI_FN_CPU_OFF];
 	err = invoke_psci_fn(fn, state, 0, 0);
 	return psci_to_linux_errno(err);
 }
 
-static int psci_cpu_on(unsigned long cpuid, unsigned long entry_point)
+static int psci_0_1_cpu_off(u32 state)
+{
+	return __psci_cpu_off(psci_0_1_function_ids.cpu_off, state);
+}
+
+static int psci_0_2_cpu_off(u32 state)
+{
+	return __psci_cpu_off(PSCI_0_2_FN_CPU_OFF, state);
+}
+
+static int __psci_cpu_on(u32 fn, unsigned long cpuid, unsigned long entry_point)
 {
 	int err;
-	u32 fn;
 
-	fn = psci_function_id[PSCI_FN_CPU_ON];
 	err = invoke_psci_fn(fn, cpuid, entry_point, 0);
 	return psci_to_linux_errno(err);
 }
 
-static int psci_migrate(unsigned long cpuid)
+static int psci_0_1_cpu_on(unsigned long cpuid, unsigned long entry_point)
+{
+	return __psci_cpu_on(psci_0_1_function_ids.cpu_on, cpuid, entry_point);
+}
+
+static int psci_0_2_cpu_on(unsigned long cpuid, unsigned long entry_point)
+{
+	return __psci_cpu_on(PSCI_FN_NATIVE(0_2, CPU_ON), cpuid, entry_point);
+}
+
+static int __psci_migrate(u32 fn, unsigned long cpuid)
 {
 	int err;
-	u32 fn;
 
-	fn = psci_function_id[PSCI_FN_MIGRATE];
 	err = invoke_psci_fn(fn, cpuid, 0, 0);
 	return psci_to_linux_errno(err);
 }
 
+static int psci_0_1_migrate(unsigned long cpuid)
+{
+	return __psci_migrate(psci_0_1_function_ids.migrate, cpuid);
+}
+
+static int psci_0_2_migrate(unsigned long cpuid)
+{
+	return __psci_migrate(PSCI_FN_NATIVE(0_2, MIGRATE), cpuid);
+}
+
 static int psci_affinity_info(unsigned long target_affinity,
 		unsigned long lowest_affinity_level)
 {
@@ -259,7 +296,8 @@
 	return 0;
 }
 
-static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd)
+static int psci_sys_reset(struct notifier_block *nb, unsigned long action,
+			  void *data)
 {
 	if ((reboot_mode == REBOOT_WARM || reboot_mode == REBOOT_SOFT) &&
 	    psci_system_reset2_supported) {
@@ -272,8 +310,15 @@
 	} else {
 		invoke_psci_fn(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);
 	}
+
+	return NOTIFY_DONE;
 }
 
+static struct notifier_block psci_sys_reset_nb = {
+	.notifier_call = psci_sys_reset,
+	.priority = 129,
+};
+
 static void psci_sys_poweroff(void)
 {
 	invoke_psci_fn(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0);
@@ -290,7 +335,7 @@
 {
 	u32 power_state = state;
 
-	return psci_ops.cpu_suspend(power_state, __pa_symbol(cpu_resume));
+	return psci_ops.cpu_suspend(power_state, __pa_function(cpu_resume));
 }
 
 int psci_cpu_suspend_enter(u32 state)
@@ -309,7 +354,7 @@
 static int psci_system_suspend(unsigned long unused)
 {
 	return invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND),
-			      __pa_symbol(cpu_resume), 0, 0);
+			      __pa_function(cpu_resume), 0, 0);
 }
 
 static int psci_system_suspend_enter(suspend_state_t state)
@@ -347,7 +392,7 @@
 
 static void __init psci_init_cpu_suspend(void)
 {
-	int feature = psci_features(psci_function_id[PSCI_FN_CPU_SUSPEND]);
+	int feature = psci_features(PSCI_FN_NATIVE(0_2, CPU_SUSPEND));
 
 	if (feature != PSCI_RET_NOT_SUPPORTED)
 		psci_cpu_suspend_feature = feature;
@@ -421,26 +466,18 @@
 static void __init psci_0_2_set_functions(void)
 {
 	pr_info("Using standard PSCI v0.2 function IDs\n");
-	psci_ops.get_version = psci_get_version;
 
-	psci_function_id[PSCI_FN_CPU_SUSPEND] =
-					PSCI_FN_NATIVE(0_2, CPU_SUSPEND);
-	psci_ops.cpu_suspend = psci_cpu_suspend;
+	psci_ops = (struct psci_operations){
+		.get_version = psci_0_2_get_version,
+		.cpu_suspend = psci_0_2_cpu_suspend,
+		.cpu_off = psci_0_2_cpu_off,
+		.cpu_on = psci_0_2_cpu_on,
+		.migrate = psci_0_2_migrate,
+		.affinity_info = psci_affinity_info,
+		.migrate_info_type = psci_migrate_info_type,
+	};
 
-	psci_function_id[PSCI_FN_CPU_OFF] = PSCI_0_2_FN_CPU_OFF;
-	psci_ops.cpu_off = psci_cpu_off;
-
-	psci_function_id[PSCI_FN_CPU_ON] = PSCI_FN_NATIVE(0_2, CPU_ON);
-	psci_ops.cpu_on = psci_cpu_on;
-
-	psci_function_id[PSCI_FN_MIGRATE] = PSCI_FN_NATIVE(0_2, MIGRATE);
-	psci_ops.migrate = psci_migrate;
-
-	psci_ops.affinity_info = psci_affinity_info;
-
-	psci_ops.migrate_info_type = psci_migrate_info_type;
-
-	arm_pm_restart = psci_sys_reset;
+	register_restart_handler(&psci_sys_reset_nb);
 
 	pm_power_off = psci_sys_poweroff;
 }
@@ -450,7 +487,7 @@
  */
 static int __init psci_probe(void)
 {
-	u32 ver = psci_get_version();
+	u32 ver = psci_0_2_get_version();
 
 	pr_info("PSCIv%d.%d detected in firmware.\n",
 			PSCI_VERSION_MAJOR(ver),
@@ -470,6 +507,7 @@
 		psci_init_cpu_suspend();
 		psci_init_system_suspend();
 		psci_init_system_reset2();
+		kvm_init_hyp_services();
 	}
 
 	return 0;
@@ -514,24 +552,26 @@
 
 	pr_info("Using PSCI v0.1 Function IDs from DT\n");
 
+	psci_ops.get_version = psci_0_1_get_version;
+
 	if (!of_property_read_u32(np, "cpu_suspend", &id)) {
-		psci_function_id[PSCI_FN_CPU_SUSPEND] = id;
-		psci_ops.cpu_suspend = psci_cpu_suspend;
+		psci_0_1_function_ids.cpu_suspend = id;
+		psci_ops.cpu_suspend = psci_0_1_cpu_suspend;
 	}
 
 	if (!of_property_read_u32(np, "cpu_off", &id)) {
-		psci_function_id[PSCI_FN_CPU_OFF] = id;
-		psci_ops.cpu_off = psci_cpu_off;
+		psci_0_1_function_ids.cpu_off = id;
+		psci_ops.cpu_off = psci_0_1_cpu_off;
 	}
 
 	if (!of_property_read_u32(np, "cpu_on", &id)) {
-		psci_function_id[PSCI_FN_CPU_ON] = id;
-		psci_ops.cpu_on = psci_cpu_on;
+		psci_0_1_function_ids.cpu_on = id;
+		psci_ops.cpu_on = psci_0_1_cpu_on;
 	}
 
 	if (!of_property_read_u32(np, "migrate", &id)) {
-		psci_function_id[PSCI_FN_MIGRATE] = id;
-		psci_ops.migrate = psci_migrate;
+		psci_0_1_function_ids.migrate = id;
+		psci_ops.migrate = psci_0_1_migrate;
 	}
 
 	return 0;
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 3e3e37e..01beddd 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -975,8 +975,11 @@
  * qcom_scm_ice_invalidate_key() - Invalidate an inline encryption key
  * @index: the keyslot to invalidate
  *
- * The UFSHCI standard defines a standard way to do this, but it doesn't work on
- * these SoCs; only this SCM call does.
+ * The UFSHCI and eMMC standards define a standard way to do this, but it
+ * doesn't work on these SoCs; only this SCM call does.
+ *
+ * It is assumed that the SoC has only one ICE instance being used, as this SCM
+ * call doesn't specify which ICE instance the keyslot belongs to.
  *
  * Return: 0 on success; -errno on failure.
  */
@@ -1005,10 +1008,13 @@
  *		    units, e.g. 1 = 512 bytes, 8 = 4096 bytes, etc.
  *
  * Program a key into a keyslot of Qualcomm ICE (Inline Crypto Engine), where it
- * can then be used to encrypt/decrypt UFS I/O requests inline.
+ * can then be used to encrypt/decrypt UFS or eMMC I/O requests inline.
  *
- * The UFSHCI standard defines a standard way to do this, but it doesn't work on
- * these SoCs; only this SCM call does.
+ * The UFSHCI and eMMC standards define a standard way to do this, but it
+ * doesn't work on these SoCs; only this SCM call does.
+ *
+ * It is assumed that the SoC has only one ICE instance being used, as this SCM
+ * call doesn't specify which ICE instance the keyslot belongs to.
  *
  * Return: 0 on success; -errno on failure.
  */
@@ -1290,6 +1296,7 @@
 	{ .compatible = "qcom,scm" },
 	{}
 };
+MODULE_DEVICE_TABLE(of, qcom_scm_dt_match);
 
 static struct platform_driver qcom_scm_driver = {
 	.driver = {
@@ -1305,3 +1312,6 @@
 	return platform_driver_register(&qcom_scm_driver);
 }
 subsys_initcall(qcom_scm_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. SCM driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/firmware/smccc/Makefile b/drivers/firmware/smccc/Makefile
index 72ab840..40d1914 100644
--- a/drivers/firmware/smccc/Makefile
+++ b/drivers/firmware/smccc/Makefile
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
 #
-obj-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY)	+= smccc.o
+obj-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY)	+= smccc.o kvm_guest.o
 obj-$(CONFIG_ARM_SMCCC_SOC_ID)	+= soc_id.o
diff --git a/drivers/firmware/smccc/kvm_guest.c b/drivers/firmware/smccc/kvm_guest.c
new file mode 100644
index 0000000..56169e7
--- /dev/null
+++ b/drivers/firmware/smccc/kvm_guest.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define pr_fmt(fmt) "smccc: KVM: " fmt
+
+#include <linux/arm-smccc.h>
+#include <linux/bitmap.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+#include <asm/hypervisor.h>
+
+void __weak kvm_arm_init_hyp_services(void) {}
+
+static DECLARE_BITMAP(__kvm_arm_hyp_services, ARM_SMCCC_KVM_NUM_FUNCS) __ro_after_init = { };
+
+void __init kvm_init_hyp_services(void)
+{
+	struct arm_smccc_res res;
+	u32 val[4];
+
+	if (arm_smccc_1_1_get_conduit() != SMCCC_CONDUIT_HVC)
+		return;
+
+	arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID, &res);
+	if (res.a0 != ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_0 ||
+	    res.a1 != ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_1 ||
+	    res.a2 != ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_2 ||
+	    res.a3 != ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_3)
+		return;
+
+	memset(&res, 0, sizeof(res));
+	arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_FEATURES_FUNC_ID, &res);
+
+	val[0] = lower_32_bits(res.a0);
+	val[1] = lower_32_bits(res.a1);
+	val[2] = lower_32_bits(res.a2);
+	val[3] = lower_32_bits(res.a3);
+
+	bitmap_from_arr32(__kvm_arm_hyp_services, val, ARM_SMCCC_KVM_NUM_FUNCS);
+
+	pr_info("hypervisor services detected (0x%08lx 0x%08lx 0x%08lx 0x%08lx)\n",
+		 res.a3, res.a2, res.a1, res.a0);
+
+	kvm_arm_init_hyp_services();
+}
+
+bool kvm_arm_hyp_service_available(u32 func_id)
+{
+	if (func_id >= ARM_SMCCC_KVM_NUM_FUNCS)
+		return false;
+
+	return test_bit(func_id, __kvm_arm_hyp_services);
+}
+EXPORT_SYMBOL_GPL(kvm_arm_hyp_service_available);
diff --git a/drivers/firmware/smccc/smccc.c b/drivers/firmware/smccc/smccc.c
index 00c88b8..028f81d 100644
--- a/drivers/firmware/smccc/smccc.c
+++ b/drivers/firmware/smccc/smccc.c
@@ -5,16 +5,23 @@
 
 #define pr_fmt(fmt) "smccc: " fmt
 
+#include <linux/cache.h>
 #include <linux/init.h>
 #include <linux/arm-smccc.h>
+#include <linux/kernel.h>
+#include <asm/archrandom.h>
 
 static u32 smccc_version = ARM_SMCCC_VERSION_1_0;
 static enum arm_smccc_conduit smccc_conduit = SMCCC_CONDUIT_NONE;
 
+bool __ro_after_init smccc_trng_available = false;
+
 void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit)
 {
 	smccc_version = version;
 	smccc_conduit = conduit;
+
+	smccc_trng_available = smccc_probe_trng();
 }
 
 enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)
diff --git a/drivers/firmware/tegra/bpmp-debugfs.c b/drivers/firmware/tegra/bpmp-debugfs.c
index fad97ec..fbc0d66 100644
--- a/drivers/firmware/tegra/bpmp-debugfs.c
+++ b/drivers/firmware/tegra/bpmp-debugfs.c
@@ -74,28 +74,37 @@
 static const char *get_filename(struct tegra_bpmp *bpmp,
 				const struct file *file, char *buf, int size)
 {
-	char root_path_buf[512];
-	const char *root_path;
-	const char *filename;
+	const char *root_path, *filename = NULL;
+	char *root_path_buf;
 	size_t root_len;
+	size_t root_path_buf_len = 512;
+
+	root_path_buf = kzalloc(root_path_buf_len, GFP_KERNEL);
+	if (!root_path_buf)
+		goto out;
 
 	root_path = dentry_path(bpmp->debugfs_mirror, root_path_buf,
-				sizeof(root_path_buf));
+				root_path_buf_len);
 	if (IS_ERR(root_path))
-		return NULL;
+		goto out;
 
 	root_len = strlen(root_path);
 
 	filename = dentry_path(file->f_path.dentry, buf, size);
-	if (IS_ERR(filename))
-		return NULL;
+	if (IS_ERR(filename)) {
+		filename = NULL;
+		goto out;
+	}
 
-	if (strlen(filename) < root_len ||
-			strncmp(filename, root_path, root_len))
-		return NULL;
+	if (strlen(filename) < root_len || strncmp(filename, root_path, root_len)) {
+		filename = NULL;
+		goto out;
+	}
 
 	filename += root_len;
 
+out:
+	kfree(root_path_buf);
 	return filename;
 }
 
diff --git a/drivers/gnss/Kconfig b/drivers/gnss/Kconfig
index bd12e3d..b94e210 100644
--- a/drivers/gnss/Kconfig
+++ b/drivers/gnss/Kconfig
@@ -54,4 +54,19 @@
 
 	  If unsure, say N.
 
+config GNSS_CMDLINE_SERIAL
+	tristate "Command line test driver for GNSS"
+	depends on SERIAL_DEV_BUS
+	select GNSS_SERIAL
+	help
+	  Say Y here if you want to test the GNSS subsystem but do not have a
+	  way to communicate a binding through firmware such as DT or ACPI.
+	  The correct serdev device and protocol type must be specified on
+	  the module command line.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called gnss-cmdline.
+
+	  If unsure, say N.
+
 endif # GNSS
diff --git a/drivers/gnss/Makefile b/drivers/gnss/Makefile
index 451f114..1d27659 100644
--- a/drivers/gnss/Makefile
+++ b/drivers/gnss/Makefile
@@ -17,3 +17,6 @@
 
 obj-$(CONFIG_GNSS_UBX_SERIAL)		+= gnss-ubx.o
 gnss-ubx-y := ubx.o
+
+obj-$(CONFIG_GNSS_CMDLINE_SERIAL)	+= gnss-cmdline.o
+gnss-cmdline-y := cmdline.o
diff --git a/drivers/gnss/cmdline.c b/drivers/gnss/cmdline.c
new file mode 100644
index 0000000..3e1d2463
--- /dev/null
+++ b/drivers/gnss/cmdline.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Test driver for GNSS. This driver requires the serdev binding and protocol
+ * type to be specified on the module command line.
+ *
+ * Copyright 2019 Google LLC
+ */
+
+#include <linux/device.h>
+#include <linux/gnss.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/serdev.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+
+#include "serial.h"
+
+#define GNSS_CMDLINE_MODULE_NAME "gnss-cmdline"
+
+#define gnss_cmdline_err(...) \
+	pr_err(GNSS_CMDLINE_MODULE_NAME ": " __VA_ARGS__)
+
+static char *serdev;
+module_param(serdev, charp, 0644);
+MODULE_PARM_DESC(serdev, "serial device to wrap");
+
+static int type;
+module_param(type, int, 0644);
+MODULE_PARM_DESC(serdev, "GNSS protocol type (see 'enum gnss_type')");
+
+static struct serdev_device *serdev_device;
+
+static int name_match(struct device *dev, void *data)
+{
+	return strstr(dev_name(dev), data) != NULL;
+}
+
+static int __init gnss_cmdline_init(void)
+{
+	struct device *serial_dev, *port_dev, *serdev_dev;
+	char *driver_name, *port_name, *serdev_name;
+	char *serdev_dup, *serdev_dup_sep;
+	struct gnss_serial *gserial;
+	int err = -ENODEV;
+
+	/* User did not set the serdev module parameter */
+	if (!serdev)
+		return 0;
+
+	if (type < 0 || type >= GNSS_TYPE_COUNT) {
+		gnss_cmdline_err("invalid gnss type '%d'\n", type);
+		return -EINVAL;
+	}
+
+	serdev_dup = serdev_dup_sep = kstrdup(serdev, GFP_KERNEL);
+	if (!serdev_dup)
+		return -ENOMEM;
+
+	driver_name = strsep(&serdev_dup_sep, "/");
+	if (!driver_name) {
+		gnss_cmdline_err("driver name missing\n");
+		goto err_free_serdev_dup;
+	}
+
+	port_name = strsep(&serdev_dup_sep, "/");
+	if (!port_name) {
+		gnss_cmdline_err("port name missing\n");
+		goto err_free_serdev_dup;
+	}
+
+	serdev_name = strsep(&serdev_dup_sep, "/");
+	if (!serdev_name) {
+		gnss_cmdline_err("serdev name missing\n");
+		goto err_free_serdev_dup;
+	}
+
+	/* Find the driver device instance (e.g. serial8250) */
+	serial_dev = bus_find_device_by_name(&platform_bus_type,
+					     NULL, driver_name);
+	if (!serial_dev) {
+		gnss_cmdline_err("no device '%s'\n", driver_name);
+		goto err_free_serdev_dup;
+	}
+
+	/* Find the port device instance (e.g. serial0) */
+	port_dev = device_find_child(serial_dev, port_name, name_match);
+	if (!port_dev) {
+		gnss_cmdline_err("no port '%s'\n", port_name);
+		goto err_free_serdev_dup;
+	}
+
+	/* Find the serdev device instance (e.g. serial0-0) */
+	serdev_dev = device_find_child(port_dev, serdev_name, name_match);
+	if (!serdev_dev) {
+		gnss_cmdline_err("no serdev '%s'\n", serdev_name);
+		goto err_free_serdev_dup;
+	}
+
+	gserial = gnss_serial_allocate(to_serdev_device(serdev_dev), 0);
+	if (IS_ERR(gserial)) {
+		err = PTR_ERR(gserial);
+		goto err_free_serdev_dup;
+	}
+
+	gserial->gdev->type = type;
+
+	err = gnss_serial_register(gserial);
+	if (err) {
+		gnss_serial_free(gserial);
+		goto err_free_serdev_dup;
+	}
+
+	serdev_device = to_serdev_device(serdev_dev);
+	err = 0;
+err_free_serdev_dup:
+	kfree(serdev_dup);
+	return err;
+}
+
+static void __exit gnss_cmdline_exit(void)
+{
+	struct gnss_serial *gserial;
+
+	if (!serdev_device)
+		return;
+
+	gserial = serdev_device_get_drvdata(serdev_device);
+
+	gnss_serial_deregister(gserial);
+	gnss_serial_free(gserial);
+}
+
+module_init(gnss_cmdline_init);
+module_exit(gnss_cmdline_exit);
+
+MODULE_AUTHOR("Alistair Delva <adelva@google.com>");
+MODULE_DESCRIPTION("GNSS command line driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 2e63274..6fc8fe8 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -935,11 +935,6 @@
 	if (!np)
 		return 0;
 
-	if (!of_property_read_bool(np, "gpio-ranges") &&
-	    chip->of_gpio_ranges_fallback) {
-		return chip->of_gpio_ranges_fallback(chip, np);
-	}
-
 	group_names = of_find_property(np, group_names_propname, NULL);
 
 	for (;; index++) {
@@ -1046,3 +1041,14 @@
 {
 	of_node_put(chip->of_node);
 }
+
+void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
+{
+	/* If the gpiochip has an assigned OF node this takes precedence */
+	if (gc->of_node)
+		gdev->dev.of_node = gc->of_node;
+	else
+		gc->of_node = gdev->dev.of_node;
+	if (gdev->dev.of_node)
+		gdev->dev.fwnode = of_fwnode_handle(gdev->dev.of_node);
+}
diff --git a/drivers/gpio/gpiolib-of.h b/drivers/gpio/gpiolib-of.h
index ed26664..8af2bc8 100644
--- a/drivers/gpio/gpiolib-of.h
+++ b/drivers/gpio/gpiolib-of.h
@@ -15,6 +15,7 @@
 void of_gpiochip_remove(struct gpio_chip *gc);
 int of_gpio_get_count(struct device *dev, const char *con_id);
 bool of_gpio_need_valid_mask(const struct gpio_chip *gc);
+void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
 #else
 static inline struct gpio_desc *of_find_gpio(struct device *dev,
 					     const char *con_id,
@@ -33,6 +34,10 @@
 {
 	return false;
 }
+static inline void of_gpio_dev_init(struct gpio_chip *gc,
+				    struct gpio_device *gdev)
+{
+}
 #endif /* CONFIG_OF_GPIO */
 
 extern struct notifier_block gpio_of_notifier;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d10f621..e885218 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -30,6 +30,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/gpio.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/gpiolib.h>
 
 /* Implementation infrastructure for GPIO interfaces.
  *
@@ -55,8 +57,10 @@
 static DEFINE_IDA(gpio_ida);
 static dev_t gpio_devt;
 #define GPIO_DEV_MAX 256 /* 256 GPIO chip devices supported */
+static int gpio_bus_match(struct device *dev, struct device_driver *drv);
 static struct bus_type gpio_bus_type = {
 	.name = "gpio",
+	.match = gpio_bus_match,
 };
 
 /*
@@ -466,7 +470,7 @@
 
 static void gpiodevice_release(struct device *dev)
 {
-	struct gpio_device *gdev = dev_get_drvdata(dev);
+	struct gpio_device *gdev = container_of(dev, struct gpio_device, dev);
 	unsigned long flags;
 
 	spin_lock_irqsave(&gpio_lock, flags);
@@ -573,6 +577,7 @@
 	unsigned	i;
 	int		base = gc->base;
 	struct gpio_device *gdev;
+	bool		block_gpio_read = false;
 
 	/*
 	 * First: allocate and populate the internal stat container, and
@@ -589,13 +594,7 @@
 		gdev->dev.of_node = gc->parent->of_node;
 	}
 
-#ifdef CONFIG_OF_GPIO
-	/* If the gpiochip has an assigned OF node this takes precedence */
-	if (gc->of_node)
-		gdev->dev.of_node = gc->of_node;
-	else
-		gc->of_node = gdev->dev.of_node;
-#endif
+	of_gpio_dev_init(gc, gdev);
 
 	/*
 	 * Assign fwnode depending on the result of the previous calls,
@@ -614,7 +613,6 @@
 		goto err_free_ida;
 
 	device_initialize(&gdev->dev);
-	dev_set_drvdata(&gdev->dev, gdev);
 	if (gc->parent && gc->parent->driver)
 		gdev->owner = gc->parent->driver->owner;
 	else if (gc->owner)
@@ -710,15 +708,18 @@
 	if (ret)
 		goto err_remove_of_chip;
 
-	for (i = 0; i < gc->ngpio; i++) {
-		struct gpio_desc *desc = &gdev->descs[i];
+	trace_android_vh_gpio_block_read(gdev, &block_gpio_read);
+	if (!block_gpio_read) {
+		for (i = 0; i < gc->ngpio; i++) {
+			struct gpio_desc *desc = &gdev->descs[i];
 
-		if (gc->get_direction && gpiochip_line_is_valid(gc, i)) {
-			assign_bit(FLAG_IS_OUT,
-				   &desc->flags, !gc->get_direction(gc, i));
-		} else {
-			assign_bit(FLAG_IS_OUT,
-				   &desc->flags, !gc->direction_input);
+			if (gc->get_direction && gpiochip_line_is_valid(gc, i)) {
+				assign_bit(FLAG_IS_OUT,
+					   &desc->flags, !gc->get_direction(gc, i));
+			} else {
+				assign_bit(FLAG_IS_OUT,
+					   &desc->flags, !gc->direction_input);
+			}
 		}
 	}
 
@@ -1595,14 +1596,9 @@
 	}
 
 	if (gc->irq.parent_handler) {
+		void *data = gc->irq.parent_handler_data ?: gc;
+
 		for (i = 0; i < gc->irq.num_parents; i++) {
-			void *data;
-
-			if (gc->irq.per_parent_data)
-				data = gc->irq.parent_handler_data_array[i];
-			else
-				data = gc->irq.parent_handler_data ?: gc;
-
 			/*
 			 * The parent IRQ chip is already using the chip_data
 			 * for this IRQ chip, so our callbacks simply use the
@@ -1792,14 +1788,6 @@
 	gc->to_irq = gpiochip_to_irq;
 	gc->irq.domain = domain;
 
-	/*
-	 * Using barrier() here to prevent compiler from reordering
-	 * gc->irq.initialized before adding irqdomain.
-	 */
-	barrier();
-
-	gc->irq.initialized = true;
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(gpiochip_irqchip_add_domain);
@@ -4389,6 +4377,41 @@
 }
 EXPORT_SYMBOL_GPL(gpiod_put_array);
 
+
+static int gpio_bus_match(struct device *dev, struct device_driver *drv)
+{
+	/*
+	 * Only match if the fwnode doesn't already have a proper struct device
+	 * created for it.
+	 */
+	if (dev->fwnode && dev->fwnode->dev != dev)
+		return 0;
+	return 1;
+}
+
+static int gpio_stub_drv_probe(struct device *dev)
+{
+	/*
+	 * The DT node of some GPIO chips have a "compatible" property, but
+	 * never have a struct device added and probed by a driver to register
+	 * the GPIO chip with gpiolib. In such cases, fw_devlink=on will cause
+	 * the consumers of the GPIO chip to get probe deferred forever because
+	 * they will be waiting for a device associated with the GPIO chip
+	 * firmware node to get added and bound to a driver.
+	 *
+	 * To allow these consumers to probe, we associate the struct
+	 * gpio_device of the GPIO chip with the firmware node and then simply
+	 * bind it to this stub driver.
+	 */
+	return 0;
+}
+
+static struct device_driver gpio_stub_drv = {
+	.name = "gpio_stub_drv",
+	.bus = &gpio_bus_type,
+	.probe = gpio_stub_drv_probe,
+};
+
 static int __init gpiolib_dev_init(void)
 {
 	int ret;
@@ -4400,9 +4423,17 @@
 		return ret;
 	}
 
+	ret = driver_register(&gpio_stub_drv);
+	if (ret < 0) {
+		pr_err("gpiolib: could not register GPIO stub driver\n");
+		bus_unregister(&gpio_bus_type);
+		return ret;
+	}
+
 	ret = alloc_chrdev_region(&gpio_devt, 0, GPIO_DEV_MAX, GPIOCHIP_NAME);
 	if (ret < 0) {
 		pr_err("gpiolib: failed to allocate char dev region\n");
+		driver_unregister(&gpio_stub_drv);
 		bus_unregister(&gpio_bus_type);
 		return ret;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index 02a73b9..4b568ee 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -29,7 +29,6 @@
 #include "amdgpu.h"
 #include "atom.h"
 
-#include <linux/device.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
@@ -286,10 +285,6 @@
 	if (adev->flags & AMD_IS_APU)
 		return false;
 
-	/* ATRM is for on-platform devices only */
-	if (dev_is_removable(&adev->pdev->dev))
-		return false;
-
 	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
 		dhandle = ACPI_HANDLE(&pdev->dev);
 		if (!dhandle)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 0b16292..ed4c3d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1357,7 +1357,7 @@
 	}
 
 #ifdef CONFIG_SWIOTLB
-	if (adev->need_swiotlb && swiotlb_nr_tbl()) {
+	if (adev->need_swiotlb && is_swiotlb_active(adev->dev)) {
 		return ttm_dma_populate(&gtt->ttm, adev->dev, ctx);
 	}
 #endif
@@ -1401,7 +1401,7 @@
 	adev = amdgpu_ttm_adev(bdev);
 
 #ifdef CONFIG_SWIOTLB
-	if (adev->need_swiotlb && swiotlb_nr_tbl()) {
+	if (adev->need_swiotlb && is_swiotlb_active(adev->dev)) {
 		ttm_dma_unpopulate(&gtt->ttm, adev->dev);
 		return;
 	}
@@ -2589,7 +2589,7 @@
 	count = ARRAY_SIZE(amdgpu_ttm_debugfs_list);
 
 #ifdef CONFIG_SWIOTLB
-	if (!(adev->need_swiotlb && swiotlb_nr_tbl()))
+	if (!(adev->need_swiotlb && is_swiotlb_active(adev->dev)))
 		--count;
 #endif
 
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 51397b5..93280dc 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -459,9 +459,9 @@
 	struct _vcs_dpi_display_dlg_regs_st *dlg_regs = &pipe->dlg_regs;
 	struct _vcs_dpi_display_ttu_regs_st *ttu_regs = &pipe->ttu_regs;
 	struct _vcs_dpi_display_rq_regs_st *rq_regs = &pipe->rq_regs;
-	struct _vcs_dpi_display_rq_params_st rq_param = {0};
-	struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param = {0};
-	struct _vcs_dpi_display_e2e_pipe_params_st input = { { { 0 } } };
+	struct _vcs_dpi_display_rq_params_st *rq_param = &pipe->dml_rq_param;
+	struct _vcs_dpi_display_dlg_sys_params_st *dlg_sys_param = &pipe->dml_dlg_sys_param;
+	struct _vcs_dpi_display_e2e_pipe_params_st *input = &pipe->dml_input;
 	float total_active_bw = 0;
 	float total_prefetch_bw = 0;
 	int total_flip_bytes = 0;
@@ -470,45 +470,48 @@
 	memset(dlg_regs, 0, sizeof(*dlg_regs));
 	memset(ttu_regs, 0, sizeof(*ttu_regs));
 	memset(rq_regs, 0, sizeof(*rq_regs));
+	memset(rq_param, 0, sizeof(*rq_param));
+	memset(dlg_sys_param, 0, sizeof(*dlg_sys_param));
+	memset(input, 0, sizeof(*input));
 
 	for (i = 0; i < number_of_planes; i++) {
 		total_active_bw += v->read_bandwidth[i];
 		total_prefetch_bw += v->prefetch_bandwidth[i];
 		total_flip_bytes += v->total_immediate_flip_bytes[i];
 	}
-	dlg_sys_param.total_flip_bw = v->return_bw - dcn_bw_max2(total_active_bw, total_prefetch_bw);
-	if (dlg_sys_param.total_flip_bw < 0.0)
-		dlg_sys_param.total_flip_bw = 0;
+	dlg_sys_param->total_flip_bw = v->return_bw - dcn_bw_max2(total_active_bw, total_prefetch_bw);
+	if (dlg_sys_param->total_flip_bw < 0.0)
+		dlg_sys_param->total_flip_bw = 0;
 
-	dlg_sys_param.t_mclk_wm_us = v->dram_clock_change_watermark;
-	dlg_sys_param.t_sr_wm_us = v->stutter_enter_plus_exit_watermark;
-	dlg_sys_param.t_urg_wm_us = v->urgent_watermark;
-	dlg_sys_param.t_extra_us = v->urgent_extra_latency;
-	dlg_sys_param.deepsleep_dcfclk_mhz = v->dcf_clk_deep_sleep;
-	dlg_sys_param.total_flip_bytes = total_flip_bytes;
+	dlg_sys_param->t_mclk_wm_us = v->dram_clock_change_watermark;
+	dlg_sys_param->t_sr_wm_us = v->stutter_enter_plus_exit_watermark;
+	dlg_sys_param->t_urg_wm_us = v->urgent_watermark;
+	dlg_sys_param->t_extra_us = v->urgent_extra_latency;
+	dlg_sys_param->deepsleep_dcfclk_mhz = v->dcf_clk_deep_sleep;
+	dlg_sys_param->total_flip_bytes = total_flip_bytes;
 
-	pipe_ctx_to_e2e_pipe_params(pipe, &input.pipe);
-	input.clks_cfg.dcfclk_mhz = v->dcfclk;
-	input.clks_cfg.dispclk_mhz = v->dispclk;
-	input.clks_cfg.dppclk_mhz = v->dppclk;
-	input.clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
-	input.clks_cfg.socclk_mhz = v->socclk;
-	input.clks_cfg.voltage = v->voltage_level;
+	pipe_ctx_to_e2e_pipe_params(pipe, &input->pipe);
+	input->clks_cfg.dcfclk_mhz = v->dcfclk;
+	input->clks_cfg.dispclk_mhz = v->dispclk;
+	input->clks_cfg.dppclk_mhz = v->dppclk;
+	input->clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
+	input->clks_cfg.socclk_mhz = v->socclk;
+	input->clks_cfg.voltage = v->voltage_level;
 //	dc->dml.logger = pool->base.logger;
-	input.dout.output_format = (v->output_format[in_idx] == dcn_bw_420) ? dm_420 : dm_444;
-	input.dout.output_type  = (v->output[in_idx] == dcn_bw_hdmi) ? dm_hdmi : dm_dp;
+	input->dout.output_format = (v->output_format[in_idx] == dcn_bw_420) ? dm_420 : dm_444;
+	input->dout.output_type  = (v->output[in_idx] == dcn_bw_hdmi) ? dm_hdmi : dm_dp;
 	//input[in_idx].dout.output_standard;
 
 	/*todo: soc->sr_enter_plus_exit_time??*/
-	dlg_sys_param.t_srx_delay_us = dc->dcn_ip->dcfclk_cstate_latency / v->dcf_clk_deep_sleep;
+	dlg_sys_param->t_srx_delay_us = dc->dcn_ip->dcfclk_cstate_latency / v->dcf_clk_deep_sleep;
 
-	dml1_rq_dlg_get_rq_params(dml, &rq_param, input.pipe.src);
+	dml1_rq_dlg_get_rq_params(dml, rq_param, input.pipe.src);
 	dml1_extract_rq_regs(dml, rq_regs, rq_param);
 	dml1_rq_dlg_get_dlg_params(
 			dml,
 			dlg_regs,
 			ttu_regs,
-			rq_param.dlg,
+			rq_param->dlg,
 			dlg_sys_param,
 			input,
 			true,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 53ac826..3346074 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -3130,7 +3130,7 @@
 
 		context->bw_ctx.dml.funcs.rq_dlg_get_rq_reg(&context->bw_ctx.dml,
 				&context->res_ctx.pipe_ctx[i].rq_regs,
-				pipes[pipe_idx].pipe);
+				&pipes[pipe_idx].pipe);
 		pipe_idx++;
 	}
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
index 799bae2..ed1625d 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
@@ -768,12 +768,12 @@
 
 void dml20_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param)
+		const display_pipe_params_st *pipe_param)
 {
 	display_rq_params_st rq_param = {0};
 
 	memset(rq_regs, 0, sizeof(*rq_regs));
-	dml20_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param.src);
+	dml20_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param->src);
 	extract_rq_regs(mode_lib, rq_regs, rq_param);
 
 	print__rq_regs_st(mode_lib, *rq_regs);
@@ -1549,7 +1549,7 @@
 void dml20_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
 		display_dlg_regs_st *dlg_regs,
 		display_ttu_regs_st *ttu_regs,
-		display_e2e_pipe_params_st *e2e_pipe_param,
+		const display_e2e_pipe_params_st *e2e_pipe_param,
 		const unsigned int num_pipes,
 		const unsigned int pipe_idx,
 		const bool cstate_en,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h
index d0b9094..8b23867 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h
@@ -43,7 +43,7 @@
 void dml20_rq_dlg_get_rq_reg(
 		struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param);
+		const display_pipe_params_st *pipe_param);
 
 
 // Function: dml_rq_dlg_get_dlg_reg
@@ -61,7 +61,7 @@
 		struct display_mode_lib *mode_lib,
 		display_dlg_regs_st *dlg_regs,
 		display_ttu_regs_st *ttu_regs,
-		display_e2e_pipe_params_st *e2e_pipe_param,
+		const display_e2e_pipe_params_st *e2e_pipe_param,
 		const unsigned int num_pipes,
 		const unsigned int pipe_idx,
 		const bool cstate_en,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
index 6a6d597..b120808 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
@@ -768,12 +768,12 @@
 
 void dml20v2_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param)
+		const display_pipe_params_st *pipe_param)
 {
 	display_rq_params_st rq_param = {0};
 
 	memset(rq_regs, 0, sizeof(*rq_regs));
-	dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param.src);
+	dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param->src);
 	extract_rq_regs(mode_lib, rq_regs, rq_param);
 
 	print__rq_regs_st(mode_lib, *rq_regs);
@@ -1550,7 +1550,7 @@
 void dml20v2_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
 		display_dlg_regs_st *dlg_regs,
 		display_ttu_regs_st *ttu_regs,
-		display_e2e_pipe_params_st *e2e_pipe_param,
+		const display_e2e_pipe_params_st *e2e_pipe_param,
 		const unsigned int num_pipes,
 		const unsigned int pipe_idx,
 		const bool cstate_en,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h
index 27cf8be..2b4e46e 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h
@@ -43,7 +43,7 @@
 void dml20v2_rq_dlg_get_rq_reg(
 		struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param);
+		const display_pipe_params_st *pipe_param);
 
 
 // Function: dml_rq_dlg_get_dlg_reg
@@ -61,7 +61,7 @@
 		struct display_mode_lib *mode_lib,
 		display_dlg_regs_st *dlg_regs,
 		display_ttu_regs_st *ttu_regs,
-		display_e2e_pipe_params_st *e2e_pipe_param,
+		const display_e2e_pipe_params_st *e2e_pipe_param,
 		const unsigned int num_pipes,
 		const unsigned int pipe_idx,
 		const bool cstate_en,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
index dc1c81a..bca9406 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
@@ -694,7 +694,7 @@
 		display_data_rq_sizing_params_st *rq_sizing_param,
 		display_data_rq_dlg_params_st *rq_dlg_param,
 		display_data_rq_misc_params_st *rq_misc_param,
-		const display_pipe_params_st pipe_param,
+		const display_pipe_params_st *pipe_param,
 		bool is_chroma)
 {
 	bool mode_422 = false;
@@ -706,30 +706,30 @@
 
 	// FIXME check if ppe apply for both luma and chroma in 422 case
 	if (is_chroma) {
-		vp_width = pipe_param.src.viewport_width_c / ppe;
-		vp_height = pipe_param.src.viewport_height_c;
-		data_pitch = pipe_param.src.data_pitch_c;
-		meta_pitch = pipe_param.src.meta_pitch_c;
+		vp_width = pipe_param->src.viewport_width_c / ppe;
+		vp_height = pipe_param->src.viewport_height_c;
+		data_pitch = pipe_param->src.data_pitch_c;
+		meta_pitch = pipe_param->src.meta_pitch_c;
 	} else {
-		vp_width = pipe_param.src.viewport_width / ppe;
-		vp_height = pipe_param.src.viewport_height;
-		data_pitch = pipe_param.src.data_pitch;
-		meta_pitch = pipe_param.src.meta_pitch;
+		vp_width = pipe_param->src.viewport_width / ppe;
+		vp_height = pipe_param->src.viewport_height;
+		data_pitch = pipe_param->src.data_pitch;
+		meta_pitch = pipe_param->src.meta_pitch;
 	}
 
-	if (pipe_param.dest.odm_combine) {
+	if (pipe_param->dest.odm_combine) {
 		unsigned int access_dir;
 		unsigned int full_src_vp_width;
 		unsigned int hactive_half;
 		unsigned int src_hactive_half;
-		access_dir = (pipe_param.src.source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
-		hactive_half  = pipe_param.dest.hactive / 2;
+		access_dir = (pipe_param->src.source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
+		hactive_half  = pipe_param->dest.hactive / 2;
 		if (is_chroma) {
-			full_src_vp_width = pipe_param.scale_ratio_depth.hscl_ratio_c * pipe_param.dest.full_recout_width;
-			src_hactive_half  = pipe_param.scale_ratio_depth.hscl_ratio_c * hactive_half;
+			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio_c * pipe_param->dest.full_recout_width;
+			src_hactive_half  = pipe_param->scale_ratio_depth.hscl_ratio_c * hactive_half;
 		} else {
-			full_src_vp_width = pipe_param.scale_ratio_depth.hscl_ratio * pipe_param.dest.full_recout_width;
-			src_hactive_half  = pipe_param.scale_ratio_depth.hscl_ratio * hactive_half;
+			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio * pipe_param->dest.full_recout_width;
+			src_hactive_half  = pipe_param->scale_ratio_depth.hscl_ratio * hactive_half;
 		}
 
 		if (access_dir == 0) {
@@ -754,7 +754,7 @@
 	rq_sizing_param->meta_chunk_bytes = 2048;
 	rq_sizing_param->min_meta_chunk_bytes = 256;
 
-	if (pipe_param.src.hostvm)
+	if (pipe_param->src.hostvm)
 		rq_sizing_param->mpte_group_bytes = 512;
 	else
 		rq_sizing_param->mpte_group_bytes = 2048;
@@ -768,23 +768,23 @@
 			vp_height,
 			data_pitch,
 			meta_pitch,
-			pipe_param.src.source_format,
-			pipe_param.src.sw_mode,
-			pipe_param.src.macro_tile_size,
-			pipe_param.src.source_scan,
-			pipe_param.src.hostvm,
+			pipe_param->src.source_format,
+			pipe_param->src.sw_mode,
+			pipe_param->src.macro_tile_size,
+			pipe_param->src.source_scan,
+			pipe_param->src.hostvm,
 			is_chroma);
 }
 
 static void dml_rq_dlg_get_rq_params(
 		struct display_mode_lib *mode_lib,
 		display_rq_params_st *rq_param,
-		const display_pipe_params_st pipe_param)
+		const display_pipe_params_st *pipe_param)
 {
 	// get param for luma surface
-	rq_param->yuv420 = pipe_param.src.source_format == dm_420_8
-			|| pipe_param.src.source_format == dm_420_10;
-	rq_param->yuv420_10bpc = pipe_param.src.source_format == dm_420_10;
+	rq_param->yuv420 = pipe_param->src.source_format == dm_420_8
+			|| pipe_param->src.source_format == dm_420_10;
+	rq_param->yuv420_10bpc = pipe_param->src.source_format == dm_420_10;
 
 	get_surf_rq_param(
 			mode_lib,
@@ -794,7 +794,7 @@
 			pipe_param,
 			0);
 
-	if (is_dual_plane((enum source_format_class) (pipe_param.src.source_format))) {
+	if (is_dual_plane((enum source_format_class) (pipe_param->src.source_format))) {
 		// get param for chroma surface
 		get_surf_rq_param(
 				mode_lib,
@@ -806,14 +806,14 @@
 	}
 
 	// calculate how to split the det buffer space between luma and chroma
-	handle_det_buf_split(mode_lib, rq_param, pipe_param.src);
+	handle_det_buf_split(mode_lib, rq_param, pipe_param->src);
 	print__rq_params_st(mode_lib, *rq_param);
 }
 
 void dml21_rq_dlg_get_rq_reg(
 		struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param)
+		const display_pipe_params_st *pipe_param)
 {
 	display_rq_params_st rq_param = {0};
 
@@ -1658,7 +1658,7 @@
 		struct display_mode_lib *mode_lib,
 		display_dlg_regs_st *dlg_regs,
 		display_ttu_regs_st *ttu_regs,
-		display_e2e_pipe_params_st *e2e_pipe_param,
+		const display_e2e_pipe_params_st *e2e_pipe_param,
 		const unsigned int num_pipes,
 		const unsigned int pipe_idx,
 		const bool cstate_en,
@@ -1696,7 +1696,7 @@
 	// system parameter calculation done
 
 	dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx);
-	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, e2e_pipe_param[pipe_idx].pipe);
+	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, &e2e_pipe_param[pipe_idx].pipe);
 	dml_rq_dlg_get_dlg_params(
 			mode_lib,
 			e2e_pipe_param,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h
index e8f7785..af6ad0c 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h
@@ -44,7 +44,7 @@
 void dml21_rq_dlg_get_rq_reg(
 		struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param);
+		const display_pipe_params_st *pipe_param);
 
 // Function: dml_rq_dlg_get_dlg_reg
 //   Calculate and return DLG and TTU register struct given the system setting
@@ -61,7 +61,7 @@
 		struct display_mode_lib *mode_lib,
 		display_dlg_regs_st *dlg_regs,
 		display_ttu_regs_st *ttu_regs,
-		display_e2e_pipe_params_st *e2e_pipe_param,
+		const display_e2e_pipe_params_st *e2e_pipe_param,
 		const unsigned int num_pipes,
 		const unsigned int pipe_idx,
 		const bool cstate_en,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
index 58c312f80..f4d6acad 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
@@ -747,7 +747,7 @@
 	display_data_rq_sizing_params_st *rq_sizing_param,
 	display_data_rq_dlg_params_st *rq_dlg_param,
 	display_data_rq_misc_params_st *rq_misc_param,
-	const display_pipe_params_st pipe_param,
+	const display_pipe_params_st *pipe_param,
 	bool is_chroma,
 	bool is_alpha)
 {
@@ -761,32 +761,32 @@
 
 	// FIXME check if ppe apply for both luma and chroma in 422 case
 	if (is_chroma | is_alpha) {
-		vp_width = pipe_param.src.viewport_width_c / ppe;
-		vp_height = pipe_param.src.viewport_height_c;
-		data_pitch = pipe_param.src.data_pitch_c;
-		meta_pitch = pipe_param.src.meta_pitch_c;
-		surface_height = pipe_param.src.surface_height_y / 2.0;
+		vp_width = pipe_param->src.viewport_width_c / ppe;
+		vp_height = pipe_param->src.viewport_height_c;
+		data_pitch = pipe_param->src.data_pitch_c;
+		meta_pitch = pipe_param->src.meta_pitch_c;
+		surface_height = pipe_param->src.surface_height_y / 2.0;
 	} else {
-		vp_width = pipe_param.src.viewport_width / ppe;
-		vp_height = pipe_param.src.viewport_height;
-		data_pitch = pipe_param.src.data_pitch;
-		meta_pitch = pipe_param.src.meta_pitch;
-		surface_height = pipe_param.src.surface_height_y;
+		vp_width = pipe_param->src.viewport_width / ppe;
+		vp_height = pipe_param->src.viewport_height;
+		data_pitch = pipe_param->src.data_pitch;
+		meta_pitch = pipe_param->src.meta_pitch;
+		surface_height = pipe_param->src.surface_height_y;
 	}
 
-	if (pipe_param.dest.odm_combine) {
+	if (pipe_param->dest.odm_combine) {
 		unsigned int access_dir = 0;
 		unsigned int full_src_vp_width = 0;
 		unsigned int hactive_odm = 0;
 		unsigned int src_hactive_odm = 0;
-		access_dir = (pipe_param.src.source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
-		hactive_odm  = pipe_param.dest.hactive / ((unsigned int)pipe_param.dest.odm_combine*2);
+		access_dir = (pipe_param->src.source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
+		hactive_odm  = pipe_param->dest.hactive / ((unsigned int) pipe_param->dest.odm_combine*2);
 		if (is_chroma) {
-			full_src_vp_width = pipe_param.scale_ratio_depth.hscl_ratio_c * pipe_param.dest.full_recout_width;
-			src_hactive_odm  = pipe_param.scale_ratio_depth.hscl_ratio_c * hactive_odm;
+			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio_c * pipe_param->dest.full_recout_width;
+			src_hactive_odm  = pipe_param->scale_ratio_depth.hscl_ratio_c * hactive_odm;
 		} else {
-			full_src_vp_width = pipe_param.scale_ratio_depth.hscl_ratio * pipe_param.dest.full_recout_width;
-			src_hactive_odm  = pipe_param.scale_ratio_depth.hscl_ratio * hactive_odm;
+			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio * pipe_param->dest.full_recout_width;
+			src_hactive_odm  = pipe_param->scale_ratio_depth.hscl_ratio * hactive_odm;
 		}
 
 		if (access_dir == 0) {
@@ -815,7 +815,7 @@
 	rq_sizing_param->meta_chunk_bytes = 2048;
 	rq_sizing_param->min_meta_chunk_bytes = 256;
 
-	if (pipe_param.src.hostvm)
+	if (pipe_param->src.hostvm)
 		rq_sizing_param->mpte_group_bytes = 512;
 	else
 		rq_sizing_param->mpte_group_bytes = 2048;
@@ -828,28 +828,28 @@
 		vp_height,
 		data_pitch,
 		meta_pitch,
-		pipe_param.src.source_format,
-		pipe_param.src.sw_mode,
-		pipe_param.src.macro_tile_size,
-		pipe_param.src.source_scan,
-		pipe_param.src.hostvm,
+		pipe_param->src.source_format,
+		pipe_param->src.sw_mode,
+		pipe_param->src.macro_tile_size,
+		pipe_param->src.source_scan,
+		pipe_param->src.hostvm,
 		is_chroma,
 		surface_height);
 }
 
 static void dml_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
 	display_rq_params_st *rq_param,
-	const display_pipe_params_st pipe_param)
+	const display_pipe_params_st *pipe_param)
 {
 	// get param for luma surface
-	rq_param->yuv420 = pipe_param.src.source_format == dm_420_8
-	|| pipe_param.src.source_format == dm_420_10
-	|| pipe_param.src.source_format == dm_rgbe_alpha
-	|| pipe_param.src.source_format == dm_420_12;
+	rq_param->yuv420 = pipe_param->src.source_format == dm_420_8
+	|| pipe_param->src.source_format == dm_420_10
+	|| pipe_param->src.source_format == dm_rgbe_alpha
+	|| pipe_param->src.source_format == dm_420_12;
 
-	rq_param->yuv420_10bpc = pipe_param.src.source_format == dm_420_10;
+	rq_param->yuv420_10bpc = pipe_param->src.source_format == dm_420_10;
 
-	rq_param->rgbe_alpha = (pipe_param.src.source_format == dm_rgbe_alpha)?1:0;
+	rq_param->rgbe_alpha = (pipe_param->src.source_format == dm_rgbe_alpha)?1:0;
 
 	get_surf_rq_param(mode_lib,
 		&(rq_param->sizing.rq_l),
@@ -859,7 +859,7 @@
 		0,
 		0);
 
-	if (is_dual_plane((enum source_format_class)(pipe_param.src.source_format))) {
+	if (is_dual_plane((enum source_format_class)(pipe_param->src.source_format))) {
 		// get param for chroma surface
 		get_surf_rq_param(mode_lib,
 			&(rq_param->sizing.rq_c),
@@ -871,13 +871,13 @@
 	}
 
 	// calculate how to split the det buffer space between luma and chroma
-	handle_det_buf_split(mode_lib, rq_param, pipe_param.src);
+	handle_det_buf_split(mode_lib, rq_param, pipe_param->src);
 	print__rq_params_st(mode_lib, *rq_param);
 }
 
 void dml30_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
 	display_rq_regs_st *rq_regs,
-	const display_pipe_params_st pipe_param)
+	const display_pipe_params_st *pipe_param)
 {
 	display_rq_params_st rq_param = { 0 };
 
@@ -1831,7 +1831,7 @@
 void dml30_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
 	display_dlg_regs_st *dlg_regs,
 	display_ttu_regs_st *ttu_regs,
-	display_e2e_pipe_params_st *e2e_pipe_param,
+	const display_e2e_pipe_params_st *e2e_pipe_param,
 	const unsigned int num_pipes,
 	const unsigned int pipe_idx,
 	const bool cstate_en,
@@ -1866,7 +1866,7 @@
 	// system parameter calculation done
 
 	dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx);
-	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, e2e_pipe_param[pipe_idx].pipe);
+	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, &e2e_pipe_param[pipe_idx].pipe);
 	dml_rq_dlg_get_dlg_params(mode_lib,
 		e2e_pipe_param,
 		num_pipes,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.h b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.h
index c04965c..625e41f 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.h
@@ -41,7 +41,7 @@
 //            See also: <display_rq_regs_st>
 void dml30_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param);
+		const display_pipe_params_st *pipe_param);
 
 // Function: dml_rq_dlg_get_dlg_reg
 //   Calculate and return DLG and TTU register struct given the system setting
@@ -57,7 +57,7 @@
 void dml30_rq_dlg_get_dlg_reg(struct display_mode_lib             *mode_lib,
 		display_dlg_regs_st          *dlg_regs,
 		display_ttu_regs_st          *ttu_regs,
-		display_e2e_pipe_params_st   *e2e_pipe_param,
+		const display_e2e_pipe_params_st   *e2e_pipe_param,
 		const unsigned int            num_pipes,
 		const unsigned int            pipe_idx,
 		const bool                    cstate_en,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
index 6adee8a..0be31ea 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
@@ -49,7 +49,7 @@
 			struct display_mode_lib *mode_lib,
 			display_dlg_regs_st *dlg_regs,
 			display_ttu_regs_st *ttu_regs,
-			display_e2e_pipe_params_st *e2e_pipe_param,
+			const display_e2e_pipe_params_st *e2e_pipe_param,
 			const unsigned int num_pipes,
 			const unsigned int pipe_idx,
 			const bool cstate_en,
@@ -60,7 +60,7 @@
 	void (*rq_dlg_get_rq_reg)(
 		struct display_mode_lib *mode_lib,
 		display_rq_regs_st *rq_regs,
-		const display_pipe_params_st pipe_param);
+		const display_pipe_params_st *pipe_param);
 	void (*recalculate)(struct display_mode_lib *mode_lib);
 	void (*validate)(struct display_mode_lib *mode_lib);
 };
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index 6e6bc66..e40a1d5 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -328,6 +328,9 @@
 	struct _vcs_dpi_display_ttu_regs_st ttu_regs;
 	struct _vcs_dpi_display_rq_regs_st rq_regs;
 	struct _vcs_dpi_display_pipe_dest_params_st pipe_dlg_param;
+	struct _vcs_dpi_display_rq_params_st dml_rq_param;
+	struct _vcs_dpi_display_dlg_sys_params_st dml_dlg_sys_param;
+	struct _vcs_dpi_display_e2e_pipe_params_st dml_input;
 #endif
 	union pipe_update_flags update_flags;
 	struct dwbc *dwbc;
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index e50c741..5a5d397 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -362,6 +362,9 @@
 		regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
 				   ADV7511_REG_POWER2_HPD_SRC_MASK,
 				   ADV7511_REG_POWER2_HPD_SRC_NONE);
+
+	/* HACK: If we don't delay here edid probing doesn't work properly */
+	msleep(200);
 }
 
 static void adv7511_power_on(struct adv7511 *adv7511)
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index c4ed4f1..9c3bbe2 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -64,14 +64,6 @@
  * support can instead use e.g. drm_helper_hpd_irq_event().
  */
 
-/*
- * Global connector list for drm_connector_find_by_fwnode().
- * Note drm_connector_[un]register() first take connector->lock and then
- * take the connector_list_lock.
- */
-static DEFINE_MUTEX(connector_list_lock);
-static LIST_HEAD(connector_list);
-
 struct drm_conn_prop_enum_list {
 	int type;
 	const char *name;
@@ -273,7 +265,6 @@
 		goto out_put_type_id;
 	}
 
-	INIT_LIST_HEAD(&connector->global_connector_list_entry);
 	INIT_LIST_HEAD(&connector->probed_modes);
 	INIT_LIST_HEAD(&connector->modes);
 	mutex_init(&connector->mutex);
@@ -480,8 +471,6 @@
 	drm_mode_object_unregister(dev, &connector->base);
 	kfree(connector->name);
 	connector->name = NULL;
-	fwnode_handle_put(connector->fwnode);
-	connector->fwnode = NULL;
 	spin_lock_irq(&dev->mode_config.connector_list_lock);
 	list_del(&connector->head);
 	dev->mode_config.num_connector--;
@@ -543,9 +532,6 @@
 	/* Let userspace know we have a new connector */
 	drm_sysfs_hotplug_event(connector->dev);
 
-	mutex_lock(&connector_list_lock);
-	list_add_tail(&connector->global_connector_list_entry, &connector_list);
-	mutex_unlock(&connector_list_lock);
 	goto unlock;
 
 err_debugfs:
@@ -574,10 +560,6 @@
 		return;
 	}
 
-	mutex_lock(&connector_list_lock);
-	list_del_init(&connector->global_connector_list_entry);
-	mutex_unlock(&connector_list_lock);
-
 	if (connector->funcs->early_unregister)
 		connector->funcs->early_unregister(connector);
 
@@ -2480,67 +2462,6 @@
 	return ret;
 }
 
-/**
- * drm_connector_find_by_fwnode - Find a connector based on the associated fwnode
- * @fwnode: fwnode for which to find the matching drm_connector
- *
- * This functions looks up a drm_connector based on its associated fwnode. When
- * a connector is found a reference to the connector is returned. The caller must
- * call drm_connector_put() to release this reference when it is done with the
- * connector.
- *
- * Returns: A reference to the found connector or an ERR_PTR().
- */
-struct drm_connector *drm_connector_find_by_fwnode(struct fwnode_handle *fwnode)
-{
-	struct drm_connector *connector, *found = ERR_PTR(-ENODEV);
-
-	if (!fwnode)
-		return ERR_PTR(-ENODEV);
-
-	mutex_lock(&connector_list_lock);
-
-	list_for_each_entry(connector, &connector_list, global_connector_list_entry) {
-		if (connector->fwnode == fwnode ||
-		    (connector->fwnode && connector->fwnode->secondary == fwnode)) {
-			drm_connector_get(connector);
-			found = connector;
-			break;
-		}
-	}
-
-	mutex_unlock(&connector_list_lock);
-
-	return found;
-}
-
-/**
- * drm_connector_oob_hotplug_event - Report out-of-band hotplug event to connector
- * @connector: connector to report the event on
- *
- * On some hardware a hotplug event notification may come from outside the display
- * driver / device. An example of this is some USB Type-C setups where the hardware
- * muxes the DisplayPort data and aux-lines but does not pass the altmode HPD
- * status bit to the GPU's DP HPD pin.
- *
- * This function can be used to report these out-of-band events after obtaining
- * a drm_connector reference through calling drm_connector_find_by_fwnode().
- */
-void drm_connector_oob_hotplug_event(struct fwnode_handle *connector_fwnode)
-{
-	struct drm_connector *connector;
-
-	connector = drm_connector_find_by_fwnode(connector_fwnode);
-	if (IS_ERR(connector))
-		return;
-
-	if (connector->funcs->oob_hotplug_event)
-		connector->funcs->oob_hotplug_event(connector);
-
-	drm_connector_put(connector);
-}
-EXPORT_SYMBOL(drm_connector_oob_hotplug_event);
-
 
 /**
  * DOC: Tile group
diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index c3577eae..da96b2f 100644
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -57,7 +57,6 @@
 struct edid;
 struct kref;
 struct work_struct;
-struct fwnode_handle;
 
 /* drm_crtc.c */
 int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
@@ -183,7 +182,6 @@
 int drm_connector_create_standard_properties(struct drm_device *dev);
 const char *drm_get_connector_force_name(enum drm_connector_force force);
 void drm_connector_free_work_fn(struct work_struct *work);
-struct drm_connector *drm_connector_find_by_fwnode(struct fwnode_handle *fwnode);
 
 /* IOCTL */
 int drm_connector_property_set_ioctl(struct drm_device *dev,
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 39eb39e..7cd1df3 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3237,6 +3237,7 @@
 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
+#define EXT_VIDEO_HF_SCDB_DATA_BLOCK	0x79
 #define EDID_BASIC_AUDIO	(1 << 6)
 #define EDID_CEA_YCRCB444	(1 << 5)
 #define EDID_CEA_YCRCB422	(1 << 4)
@@ -4194,6 +4195,20 @@
 	return true;
 }
 
+static bool cea_db_is_hdmi_forum_scdb(const u8 *db)
+{
+	if (cea_db_tag(db) != USE_EXTENDED_TAG)
+		return false;
+
+	if (cea_db_payload_len(db) < 7)
+		return false;
+
+	if (cea_db_extended_tag(db) != EXT_VIDEO_HF_SCDB_DATA_BLOCK)
+		return false;
+
+	return true;
+}
+
 static bool cea_db_is_y420cmdb(const u8 *db)
 {
 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
@@ -5025,7 +5040,8 @@
 
 		if (cea_db_is_hdmi_vsdb(db))
 			drm_parse_hdmi_vsdb_video(connector, db);
-		if (cea_db_is_hdmi_forum_vsdb(db))
+		if (cea_db_is_hdmi_forum_vsdb(db) ||
+		    cea_db_is_hdmi_forum_scdb(db))
 			drm_parse_hdmi_forum_vsdb(connector, db);
 		if (cea_db_is_y420cmdb(db))
 			drm_parse_y420cmdb_bitmap(connector, db);
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 537e7de..95b783d 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -776,6 +776,72 @@
 EXPORT_SYMBOL(drm_event_cancel_free);
 
 /**
+ * drm_send_event_helper - send DRM event to file descriptor
+ * @dev: DRM device
+ * @e: DRM event to deliver
+ * @timestamp: timestamp to set for the fence event in kernel's CLOCK_MONOTONIC
+ * time domain
+ *
+ * This helper function sends the event @e, initialized with
+ * drm_event_reserve_init(), to its associated userspace DRM file.
+ * The timestamp variant of dma_fence_signal is used when the caller
+ * sends a valid timestamp.
+ */
+void drm_send_event_helper(struct drm_device *dev,
+			   struct drm_pending_event *e, ktime_t timestamp)
+{
+	assert_spin_locked(&dev->event_lock);
+
+	if (e->completion) {
+		complete_all(e->completion);
+		e->completion_release(e->completion);
+		e->completion = NULL;
+	}
+
+	if (e->fence) {
+		if (timestamp)
+			dma_fence_signal_timestamp(e->fence, timestamp);
+		else
+			dma_fence_signal(e->fence);
+		dma_fence_put(e->fence);
+	}
+
+	if (!e->file_priv) {
+		kfree(e);
+		return;
+	}
+
+	list_del(&e->pending_link);
+	list_add_tail(&e->link,
+		      &e->file_priv->event_list);
+	wake_up_interruptible_poll(&e->file_priv->event_wait,
+		EPOLLIN | EPOLLRDNORM);
+}
+
+/**
+ * drm_send_event_timestamp_locked - send DRM event to file descriptor
+ * @dev: DRM device
+ * @e: DRM event to deliver
+ * @timestamp: timestamp to set for the fence event in kernel's CLOCK_MONOTONIC
+ * time domain
+ *
+ * This function sends the event @e, initialized with drm_event_reserve_init(),
+ * to its associated userspace DRM file. Callers must already hold
+ * &drm_device.event_lock.
+ *
+ * Note that the core will take care of unlinking and disarming events when the
+ * corresponding DRM file is closed. Drivers need not worry about whether the
+ * DRM file for this event still exists and can call this function upon
+ * completion of the asynchronous work unconditionally.
+ */
+void drm_send_event_timestamp_locked(struct drm_device *dev,
+				     struct drm_pending_event *e, ktime_t timestamp)
+{
+	drm_send_event_helper(dev, e, timestamp);
+}
+EXPORT_SYMBOL(drm_send_event_timestamp_locked);
+
+/**
  * drm_send_event_locked - send DRM event to file descriptor
  * @dev: DRM device
  * @e: DRM event to deliver
@@ -791,29 +857,7 @@
  */
 void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e)
 {
-	assert_spin_locked(&dev->event_lock);
-
-	if (e->completion) {
-		complete_all(e->completion);
-		e->completion_release(e->completion);
-		e->completion = NULL;
-	}
-
-	if (e->fence) {
-		dma_fence_signal(e->fence);
-		dma_fence_put(e->fence);
-	}
-
-	if (!e->file_priv) {
-		kfree(e);
-		return;
-	}
-
-	list_del(&e->pending_link);
-	list_add_tail(&e->link,
-		      &e->file_priv->event_list);
-	wake_up_interruptible_poll(&e->file_priv->event_wait,
-		EPOLLIN | EPOLLRDNORM);
+	drm_send_event_helper(dev, e, 0);
 }
 EXPORT_SYMBOL(drm_send_event_locked);
 
@@ -837,7 +881,7 @@
 	unsigned long irqflags;
 
 	spin_lock_irqsave(&dev->event_lock, irqflags);
-	drm_send_event_locked(dev, e);
+	drm_send_event_helper(dev, e, 0);
 	spin_unlock_irqrestore(&dev->event_lock, irqflags);
 }
 EXPORT_SYMBOL(drm_send_event);
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index c160a45..ea22102 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -684,9 +684,9 @@
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb_ioctl, 0),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_RENDER_ALLOW),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_RENDER_ALLOW),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_RENDER_ALLOW),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_GETPROPERTIES, drm_mode_obj_get_properties_ioctl, 0),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_SETPROPERTY, drm_mode_obj_set_property_ioctl, DRM_MASTER),
 	DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR2, drm_mode_cursor2_ioctl, DRM_MASTER),
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 0c806e9..7171e37 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -222,6 +222,7 @@
 	}
 
 	device_set_node(&dsi->dev, of_fwnode_handle(info->node));
+	dsi->dev.fwnode = of_fwnode_handle(info->node);
 	dsi->channel = info->channel;
 	strlcpy(dsi->name, info->type, sizeof(dsi->name));
 
@@ -356,6 +357,7 @@
 
 	if (dsi->mode_flags & MIPI_DSI_MODE_LPM)
 		msg->flags |= MIPI_DSI_MSG_USE_LPM;
+	msg->flags |= MIPI_DSI_MSG_LASTCOMMAND;
 
 	return ops->transfer(dsi->host, msg);
 }
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 0f99e54..d42c731 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1940,6 +1940,7 @@
 	strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
 	out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 }
+EXPORT_SYMBOL_GPL(drm_mode_convert_to_umode);
 
 /**
  * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode
@@ -2016,6 +2017,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(drm_mode_convert_umode);
 
 /**
  * drm_mode_is_420_only - if a given videomode can be only supported in YCBCR420
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 825499e..272e5cd 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -784,6 +784,28 @@
 }
 EXPORT_SYMBOL(drm_gem_dmabuf_mmap);
 
+/**
+ * drm_gem_dmabuf_get_uuid - dma_buf get_uuid implementation for GEM
+ * @dma_buf: buffer to query
+ * @uuid: uuid outparam
+ *
+ * Queries the buffer's virtio UUID. This can be used as the
+ * &dma_buf_ops.get_uuid callback. Calls into &drm_driver.gem_prime_get_uuid.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int drm_gem_dmabuf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid)
+{
+	struct drm_gem_object *obj = dma_buf->priv;
+	struct drm_device *dev = obj->dev;
+
+	if (!dev->driver->gem_prime_get_uuid)
+		return -ENODEV;
+
+	return dev->driver->gem_prime_get_uuid(obj, uuid);
+}
+EXPORT_SYMBOL(drm_gem_dmabuf_get_uuid);
+
 static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
 	.cache_sgt_mapping = true,
 	.attach = drm_gem_map_attach,
@@ -794,6 +816,7 @@
 	.mmap = drm_gem_dmabuf_mmap,
 	.vmap = drm_gem_dmabuf_vmap,
 	.vunmap = drm_gem_dmabuf_vunmap,
+	.get_uuid = drm_gem_dmabuf_get_uuid,
 };
 
 /**
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 71a0d95..a3b7147 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -10,7 +10,6 @@
  * Copyright (c) 2003-2004 IBM Corp.
  */
 
-#include <linux/acpi.h>
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/export.h>
@@ -57,39 +56,6 @@
 
 struct class *drm_class;
 
-#ifdef CONFIG_ACPI
-static bool drm_connector_acpi_bus_match(struct device *dev)
-{
-	return dev->type == &drm_sysfs_device_connector;
-}
-
-static struct acpi_device *drm_connector_acpi_find_companion(struct device *dev)
-{
-	struct drm_connector *connector = to_drm_connector(dev);
-
-	return to_acpi_device_node(connector->fwnode);
-}
-
-static struct acpi_bus_type drm_connector_acpi_bus = {
-	.name = "drm_connector",
-	.match = drm_connector_acpi_bus_match,
-	.find_companion = drm_connector_acpi_find_companion,
-};
-
-static void drm_sysfs_acpi_register(void)
-{
-	register_acpi_bus_type(&drm_connector_acpi_bus);
-}
-
-static void drm_sysfs_acpi_unregister(void)
-{
-	unregister_acpi_bus_type(&drm_connector_acpi_bus);
-}
-#else
-static void drm_sysfs_acpi_register(void) { }
-static void drm_sysfs_acpi_unregister(void) { }
-#endif
-
 static char *drm_devnode(struct device *dev, umode_t *mode)
 {
 	return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev));
@@ -123,8 +89,6 @@
 	}
 
 	drm_class->devnode = drm_devnode;
-
-	drm_sysfs_acpi_register();
 	return 0;
 }
 
@@ -137,7 +101,6 @@
 {
 	if (IS_ERR_OR_NULL(drm_class))
 		return;
-	drm_sysfs_acpi_unregister();
 	class_remove_file(drm_class, &class_attr_version.attr);
 	class_destroy(drm_class);
 	drm_class = NULL;
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index f135b79..286edbe 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -1000,7 +1000,14 @@
 		break;
 	}
 	trace_drm_vblank_event_delivered(e->base.file_priv, e->pipe, seq);
-	drm_send_event_locked(dev, &e->base);
+	/*
+	 * Use the same timestamp for any associated fence signal to avoid
+	 * mismatch in timestamps for vsync & fence events triggered by the
+	 * same HW event. Frameworks like SurfaceFlinger in Android expects the
+	 * retire-fence timestamp to match exactly with HW vsync as it uses it
+	 * for its software vsync modeling.
+	 */
+	drm_send_event_timestamp_locked(dev, &e->base, now);
 }
 
 /**
diff --git a/drivers/gpu/drm/hisilicon/kirin/Kconfig b/drivers/gpu/drm/hisilicon/kirin/Kconfig
index 290553e..0f2a29e8 100644
--- a/drivers/gpu/drm/hisilicon/kirin/Kconfig
+++ b/drivers/gpu/drm/hisilicon/kirin/Kconfig
@@ -6,7 +6,37 @@
 	select DRM_GEM_CMA_HELPER
 	select DRM_KMS_CMA_HELPER
 	select DRM_MIPI_DSI
+	select DRM_PANEL
 	help
-	  Choose this option if you have a hisilicon Kirin chipsets(hi6220).
+	  Choose this option if you have a hisilicon Kirin chipsets.
 	  If M is selected the module will be called kirin-drm.
 
+if DRM_HISI_KIRIN
+config DRM_HISI_KIRIN620
+	bool "DRM Support for Hisilicon Kirin620 Platform"
+	default n
+	depends on DRM_HISI_KIRIN
+	select DRM_KMS_HELPER
+	select DRM_GEM_CMA_HELPER
+	select DRM_KMS_CMA_HELPER
+	select DRM_MIPI_DSI
+	select DRM_PANEL
+	help
+	  Choose this option if you have hisilicon Kirin Chipset(kirin620).
+	  It includes kirin620 ade and dsi drivers.
+	  If y is to build kirin620 drm into kirin drm drivers.
+
+config DRM_HISI_KIRIN960
+	bool "DRM Support for Hisilicon Kirin960 Platform"
+	default n
+	depends on DRM_HISI_KIRIN
+	select DRM_KMS_HELPER
+	select DRM_GEM_CMA_HELPER
+	select DRM_KMS_CMA_HELPER
+	select DRM_MIPI_DSI
+	select DRM_PANEL
+	help
+	  Choose this option if you have hisilicon Kirin Chipset(kirin960), such
+	  as hikey board. It includes kirin620 dpe and dsi drivers.
+	  If y is to build kirin960 drm into kirin drm drivers.
+endif
diff --git a/drivers/gpu/drm/hisilicon/kirin/Makefile b/drivers/gpu/drm/hisilicon/kirin/Makefile
index d9323f6..3bbe0bd 100644
--- a/drivers/gpu/drm/hisilicon/kirin/Makefile
+++ b/drivers/gpu/drm/hisilicon/kirin/Makefile
@@ -1,6 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0-only
-kirin-drm-y := kirin_drm_drv.o \
-	       kirin_drm_ade.o
+EXTRA_CFLAGS += \
+		-Iinclude/drm
 
-obj-$(CONFIG_DRM_HISI_KIRIN) += kirin-drm.o dw_drm_dsi.o
+kirin-drm-y := kirin_drm_drv.o
+kirin-drm-$(CONFIG_DRM_HISI_KIRIN620) += kirin_drm_ade.o
+kirin-drm-$(CONFIG_DRM_HISI_KIRIN960) += kirin_drm_dpe.o
 
+kirin-dsi-y := kirin_drm_dsi.o
+kirin-dsi-$(CONFIG_DRM_HISI_KIRIN620) += kirin/dw_drm_dsi.o
+kirin-dsi-$(CONFIG_DRM_HISI_KIRIN960) += kirin960/dw_drm_dsi.o
+
+obj-$(CONFIG_DRM_HISI_KIRIN) += kirin-drm.o kirin-dsi.o
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
deleted file mode 100644
index 00e87c2..0000000
--- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
+++ /dev/null
@@ -1,900 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * DesignWare MIPI DSI Host Controller v1.02 driver
- *
- * Copyright (c) 2016 Linaro Limited.
- * Copyright (c) 2014-2016 Hisilicon Limited.
- *
- * Author:
- *	Xinliang Liu <z.liuxinliang@hisilicon.com>
- *	Xinliang Liu <xinliang.liu@linaro.org>
- *	Xinwei Kong <kong.kongxinwei@hisilicon.com>
- */
-
-#include <linux/clk.h>
-#include <linux/component.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_bridge.h>
-#include <drm/drm_device.h>
-#include <drm/drm_mipi_dsi.h>
-#include <drm/drm_of.h>
-#include <drm/drm_print.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
-
-#include "dw_dsi_reg.h"
-
-#define MAX_TX_ESC_CLK		10
-#define ROUND(x, y)		((x) / (y) + \
-				((x) % (y) * 10 / (y) >= 5 ? 1 : 0))
-#define PHY_REF_CLK_RATE	19200000
-#define PHY_REF_CLK_PERIOD_PS	(1000000000 / (PHY_REF_CLK_RATE / 1000))
-
-#define encoder_to_dsi(encoder) \
-	container_of(encoder, struct dw_dsi, encoder)
-#define host_to_dsi(host) \
-	container_of(host, struct dw_dsi, host)
-
-struct mipi_phy_params {
-	u32 clk_t_lpx;
-	u32 clk_t_hs_prepare;
-	u32 clk_t_hs_zero;
-	u32 clk_t_hs_trial;
-	u32 clk_t_wakeup;
-	u32 data_t_lpx;
-	u32 data_t_hs_prepare;
-	u32 data_t_hs_zero;
-	u32 data_t_hs_trial;
-	u32 data_t_ta_go;
-	u32 data_t_ta_get;
-	u32 data_t_wakeup;
-	u32 hstx_ckg_sel;
-	u32 pll_fbd_div5f;
-	u32 pll_fbd_div1f;
-	u32 pll_fbd_2p;
-	u32 pll_enbwt;
-	u32 pll_fbd_p;
-	u32 pll_fbd_s;
-	u32 pll_pre_div1p;
-	u32 pll_pre_p;
-	u32 pll_vco_750M;
-	u32 pll_lpf_rs;
-	u32 pll_lpf_cs;
-	u32 clklp2hs_time;
-	u32 clkhs2lp_time;
-	u32 lp2hs_time;
-	u32 hs2lp_time;
-	u32 clk_to_data_delay;
-	u32 data_to_clk_delay;
-	u32 lane_byte_clk_kHz;
-	u32 clk_division;
-};
-
-struct dsi_hw_ctx {
-	void __iomem *base;
-	struct clk *pclk;
-};
-
-struct dw_dsi {
-	struct drm_encoder encoder;
-	struct drm_bridge *bridge;
-	struct mipi_dsi_host host;
-	struct drm_display_mode cur_mode;
-	struct dsi_hw_ctx *ctx;
-	struct mipi_phy_params phy;
-
-	u32 lanes;
-	enum mipi_dsi_pixel_format format;
-	unsigned long mode_flags;
-	bool enable;
-};
-
-struct dsi_data {
-	struct dw_dsi dsi;
-	struct dsi_hw_ctx ctx;
-};
-
-struct dsi_phy_range {
-	u32 min_range_kHz;
-	u32 max_range_kHz;
-	u32 pll_vco_750M;
-	u32 hstx_ckg_sel;
-};
-
-static const struct dsi_phy_range dphy_range_info[] = {
-	{   46875,    62500,   1,    7 },
-	{   62500,    93750,   0,    7 },
-	{   93750,   125000,   1,    6 },
-	{  125000,   187500,   0,    6 },
-	{  187500,   250000,   1,    5 },
-	{  250000,   375000,   0,    5 },
-	{  375000,   500000,   1,    4 },
-	{  500000,   750000,   0,    4 },
-	{  750000,  1000000,   1,    0 },
-	{ 1000000,  1500000,   0,    0 }
-};
-
-static u32 dsi_calc_phy_rate(u32 req_kHz, struct mipi_phy_params *phy)
-{
-	u32 ref_clk_ps = PHY_REF_CLK_PERIOD_PS;
-	u32 tmp_kHz = req_kHz;
-	u32 i = 0;
-	u32 q_pll = 1;
-	u32 m_pll = 0;
-	u32 n_pll = 0;
-	u32 r_pll = 1;
-	u32 m_n = 0;
-	u32 m_n_int = 0;
-	u32 f_kHz = 0;
-	u64 temp;
-
-	/*
-	 * Find a rate >= req_kHz.
-	 */
-	do {
-		f_kHz = tmp_kHz;
-
-		for (i = 0; i < ARRAY_SIZE(dphy_range_info); i++)
-			if (f_kHz >= dphy_range_info[i].min_range_kHz &&
-			    f_kHz <= dphy_range_info[i].max_range_kHz)
-				break;
-
-		if (i == ARRAY_SIZE(dphy_range_info)) {
-			DRM_ERROR("%dkHz out of range\n", f_kHz);
-			return 0;
-		}
-
-		phy->pll_vco_750M = dphy_range_info[i].pll_vco_750M;
-		phy->hstx_ckg_sel = dphy_range_info[i].hstx_ckg_sel;
-
-		if (phy->hstx_ckg_sel <= 7 &&
-		    phy->hstx_ckg_sel >= 4)
-			q_pll = 0x10 >> (7 - phy->hstx_ckg_sel);
-
-		temp = f_kHz * (u64)q_pll * (u64)ref_clk_ps;
-		m_n_int = temp / (u64)1000000000;
-		m_n = (temp % (u64)1000000000) / (u64)100000000;
-
-		if (m_n_int % 2 == 0) {
-			if (m_n * 6 >= 50) {
-				n_pll = 2;
-				m_pll = (m_n_int + 1) * n_pll;
-			} else if (m_n * 6 >= 30) {
-				n_pll = 3;
-				m_pll = m_n_int * n_pll + 2;
-			} else {
-				n_pll = 1;
-				m_pll = m_n_int * n_pll;
-			}
-		} else {
-			if (m_n * 6 >= 50) {
-				n_pll = 1;
-				m_pll = (m_n_int + 1) * n_pll;
-			} else if (m_n * 6 >= 30) {
-				n_pll = 1;
-				m_pll = (m_n_int + 1) * n_pll;
-			} else if (m_n * 6 >= 10) {
-				n_pll = 3;
-				m_pll = m_n_int * n_pll + 1;
-			} else {
-				n_pll = 2;
-				m_pll = m_n_int * n_pll;
-			}
-		}
-
-		if (n_pll == 1) {
-			phy->pll_fbd_p = 0;
-			phy->pll_pre_div1p = 1;
-		} else {
-			phy->pll_fbd_p = n_pll;
-			phy->pll_pre_div1p = 0;
-		}
-
-		if (phy->pll_fbd_2p <= 7 && phy->pll_fbd_2p >= 4)
-			r_pll = 0x10 >> (7 - phy->pll_fbd_2p);
-
-		if (m_pll == 2) {
-			phy->pll_pre_p = 0;
-			phy->pll_fbd_s = 0;
-			phy->pll_fbd_div1f = 0;
-			phy->pll_fbd_div5f = 1;
-		} else if (m_pll >= 2 * 2 * r_pll && m_pll <= 2 * 4 * r_pll) {
-			phy->pll_pre_p = m_pll / (2 * r_pll);
-			phy->pll_fbd_s = 0;
-			phy->pll_fbd_div1f = 1;
-			phy->pll_fbd_div5f = 0;
-		} else if (m_pll >= 2 * 5 * r_pll && m_pll <= 2 * 150 * r_pll) {
-			if (((m_pll / (2 * r_pll)) % 2) == 0) {
-				phy->pll_pre_p =
-					(m_pll / (2 * r_pll)) / 2 - 1;
-				phy->pll_fbd_s =
-					(m_pll / (2 * r_pll)) % 2 + 2;
-			} else {
-				phy->pll_pre_p =
-					(m_pll / (2 * r_pll)) / 2;
-				phy->pll_fbd_s =
-					(m_pll / (2 * r_pll)) % 2;
-			}
-			phy->pll_fbd_div1f = 0;
-			phy->pll_fbd_div5f = 0;
-		} else {
-			phy->pll_pre_p = 0;
-			phy->pll_fbd_s = 0;
-			phy->pll_fbd_div1f = 0;
-			phy->pll_fbd_div5f = 1;
-		}
-
-		f_kHz = (u64)1000000000 * (u64)m_pll /
-			((u64)ref_clk_ps * (u64)n_pll * (u64)q_pll);
-
-		if (f_kHz >= req_kHz)
-			break;
-
-		tmp_kHz += 10;
-
-	} while (true);
-
-	return f_kHz;
-}
-
-static void dsi_get_phy_params(u32 phy_req_kHz,
-			       struct mipi_phy_params *phy)
-{
-	u32 ref_clk_ps = PHY_REF_CLK_PERIOD_PS;
-	u32 phy_rate_kHz;
-	u32 ui;
-
-	memset(phy, 0, sizeof(*phy));
-
-	phy_rate_kHz = dsi_calc_phy_rate(phy_req_kHz, phy);
-	if (!phy_rate_kHz)
-		return;
-
-	ui = 1000000 / phy_rate_kHz;
-
-	phy->clk_t_lpx = ROUND(50, 8 * ui);
-	phy->clk_t_hs_prepare = ROUND(133, 16 * ui) - 1;
-
-	phy->clk_t_hs_zero = ROUND(262, 8 * ui);
-	phy->clk_t_hs_trial = 2 * (ROUND(60, 8 * ui) - 1);
-	phy->clk_t_wakeup = ROUND(1000000, (ref_clk_ps / 1000) - 1);
-	if (phy->clk_t_wakeup > 0xff)
-		phy->clk_t_wakeup = 0xff;
-	phy->data_t_wakeup = phy->clk_t_wakeup;
-	phy->data_t_lpx = phy->clk_t_lpx;
-	phy->data_t_hs_prepare = ROUND(125 + 10 * ui, 16 * ui) - 1;
-	phy->data_t_hs_zero = ROUND(105 + 6 * ui, 8 * ui);
-	phy->data_t_hs_trial = 2 * (ROUND(60 + 4 * ui, 8 * ui) - 1);
-	phy->data_t_ta_go = 3;
-	phy->data_t_ta_get = 4;
-
-	phy->pll_enbwt = 1;
-	phy->clklp2hs_time = ROUND(407, 8 * ui) + 12;
-	phy->clkhs2lp_time = ROUND(105 + 12 * ui, 8 * ui);
-	phy->lp2hs_time = ROUND(240 + 12 * ui, 8 * ui) + 1;
-	phy->hs2lp_time = phy->clkhs2lp_time;
-	phy->clk_to_data_delay = 1 + phy->clklp2hs_time;
-	phy->data_to_clk_delay = ROUND(60 + 52 * ui, 8 * ui) +
-				phy->clkhs2lp_time;
-
-	phy->lane_byte_clk_kHz = phy_rate_kHz / 8;
-	phy->clk_division =
-		DIV_ROUND_UP(phy->lane_byte_clk_kHz, MAX_TX_ESC_CLK);
-}
-
-static u32 dsi_get_dpi_color_coding(enum mipi_dsi_pixel_format format)
-{
-	u32 val;
-
-	/*
-	 * TODO: only support RGB888 now, to support more
-	 */
-	switch (format) {
-	case MIPI_DSI_FMT_RGB888:
-		val = DSI_24BITS_1;
-		break;
-	default:
-		val = DSI_24BITS_1;
-		break;
-	}
-
-	return val;
-}
-
-/*
- * dsi phy reg write function
- */
-static void dsi_phy_tst_set(void __iomem *base, u32 reg, u32 val)
-{
-	u32 reg_write = 0x10000 + reg;
-
-	/*
-	 * latch reg first
-	 */
-	writel(reg_write, base + PHY_TST_CTRL1);
-	writel(0x02, base + PHY_TST_CTRL0);
-	writel(0x00, base + PHY_TST_CTRL0);
-
-	/*
-	 * then latch value
-	 */
-	writel(val, base + PHY_TST_CTRL1);
-	writel(0x02, base + PHY_TST_CTRL0);
-	writel(0x00, base + PHY_TST_CTRL0);
-}
-
-static void dsi_set_phy_timer(void __iomem *base,
-			      struct mipi_phy_params *phy,
-			      u32 lanes)
-{
-	u32 val;
-
-	/*
-	 * Set lane value and phy stop wait time.
-	 */
-	val = (lanes - 1) | (PHY_STOP_WAIT_TIME << 8);
-	writel(val, base + PHY_IF_CFG);
-
-	/*
-	 * Set phy clk division.
-	 */
-	val = readl(base + CLKMGR_CFG) | phy->clk_division;
-	writel(val, base + CLKMGR_CFG);
-
-	/*
-	 * Set lp and hs switching params.
-	 */
-	dw_update_bits(base + PHY_TMR_CFG, 24, MASK(8), phy->hs2lp_time);
-	dw_update_bits(base + PHY_TMR_CFG, 16, MASK(8), phy->lp2hs_time);
-	dw_update_bits(base + PHY_TMR_LPCLK_CFG, 16, MASK(10),
-		       phy->clkhs2lp_time);
-	dw_update_bits(base + PHY_TMR_LPCLK_CFG, 0, MASK(10),
-		       phy->clklp2hs_time);
-	dw_update_bits(base + CLK_DATA_TMR_CFG, 8, MASK(8),
-		       phy->data_to_clk_delay);
-	dw_update_bits(base + CLK_DATA_TMR_CFG, 0, MASK(8),
-		       phy->clk_to_data_delay);
-}
-
-static void dsi_set_mipi_phy(void __iomem *base,
-			     struct mipi_phy_params *phy,
-			     u32 lanes)
-{
-	u32 delay_count;
-	u32 val;
-	u32 i;
-
-	/* phy timer setting */
-	dsi_set_phy_timer(base, phy, lanes);
-
-	/*
-	 * Reset to clean up phy tst params.
-	 */
-	writel(0, base + PHY_RSTZ);
-	writel(0, base + PHY_TST_CTRL0);
-	writel(1, base + PHY_TST_CTRL0);
-	writel(0, base + PHY_TST_CTRL0);
-
-	/*
-	 * Clock lane timing control setting: TLPX, THS-PREPARE,
-	 * THS-ZERO, THS-TRAIL, TWAKEUP.
-	 */
-	dsi_phy_tst_set(base, CLK_TLPX, phy->clk_t_lpx);
-	dsi_phy_tst_set(base, CLK_THS_PREPARE, phy->clk_t_hs_prepare);
-	dsi_phy_tst_set(base, CLK_THS_ZERO, phy->clk_t_hs_zero);
-	dsi_phy_tst_set(base, CLK_THS_TRAIL, phy->clk_t_hs_trial);
-	dsi_phy_tst_set(base, CLK_TWAKEUP, phy->clk_t_wakeup);
-
-	/*
-	 * Data lane timing control setting: TLPX, THS-PREPARE,
-	 * THS-ZERO, THS-TRAIL, TTA-GO, TTA-GET, TWAKEUP.
-	 */
-	for (i = 0; i < lanes; i++) {
-		dsi_phy_tst_set(base, DATA_TLPX(i), phy->data_t_lpx);
-		dsi_phy_tst_set(base, DATA_THS_PREPARE(i),
-				phy->data_t_hs_prepare);
-		dsi_phy_tst_set(base, DATA_THS_ZERO(i), phy->data_t_hs_zero);
-		dsi_phy_tst_set(base, DATA_THS_TRAIL(i), phy->data_t_hs_trial);
-		dsi_phy_tst_set(base, DATA_TTA_GO(i), phy->data_t_ta_go);
-		dsi_phy_tst_set(base, DATA_TTA_GET(i), phy->data_t_ta_get);
-		dsi_phy_tst_set(base, DATA_TWAKEUP(i), phy->data_t_wakeup);
-	}
-
-	/*
-	 * physical configuration: I, pll I, pll II, pll III,
-	 * pll IV, pll V.
-	 */
-	dsi_phy_tst_set(base, PHY_CFG_I, phy->hstx_ckg_sel);
-	val = (phy->pll_fbd_div5f << 5) + (phy->pll_fbd_div1f << 4) +
-				(phy->pll_fbd_2p << 1) + phy->pll_enbwt;
-	dsi_phy_tst_set(base, PHY_CFG_PLL_I, val);
-	dsi_phy_tst_set(base, PHY_CFG_PLL_II, phy->pll_fbd_p);
-	dsi_phy_tst_set(base, PHY_CFG_PLL_III, phy->pll_fbd_s);
-	val = (phy->pll_pre_div1p << 7) + phy->pll_pre_p;
-	dsi_phy_tst_set(base, PHY_CFG_PLL_IV, val);
-	val = (5 << 5) + (phy->pll_vco_750M << 4) + (phy->pll_lpf_rs << 2) +
-		phy->pll_lpf_cs;
-	dsi_phy_tst_set(base, PHY_CFG_PLL_V, val);
-
-	writel(PHY_ENABLECLK, base + PHY_RSTZ);
-	udelay(1);
-	writel(PHY_ENABLECLK | PHY_UNSHUTDOWNZ, base + PHY_RSTZ);
-	udelay(1);
-	writel(PHY_ENABLECLK | PHY_UNRSTZ | PHY_UNSHUTDOWNZ, base + PHY_RSTZ);
-	usleep_range(1000, 1500);
-
-	/*
-	 * wait for phy's clock ready
-	 */
-	delay_count = 100;
-	while (delay_count) {
-		val = readl(base +  PHY_STATUS);
-		if ((BIT(0) | BIT(2)) & val)
-			break;
-
-		udelay(1);
-		delay_count--;
-	}
-
-	if (!delay_count)
-		DRM_INFO("phylock and phystopstateclklane is not ready.\n");
-}
-
-static void dsi_set_mode_timing(void __iomem *base,
-				u32 lane_byte_clk_kHz,
-				struct drm_display_mode *mode,
-				enum mipi_dsi_pixel_format format)
-{
-	u32 hfp, hbp, hsw, vfp, vbp, vsw;
-	u32 hline_time;
-	u32 hsa_time;
-	u32 hbp_time;
-	u32 pixel_clk_kHz;
-	int htot, vtot;
-	u32 val;
-	u64 tmp;
-
-	val = dsi_get_dpi_color_coding(format);
-	writel(val, base + DPI_COLOR_CODING);
-
-	val = (mode->flags & DRM_MODE_FLAG_NHSYNC ? 1 : 0) << 2;
-	val |= (mode->flags & DRM_MODE_FLAG_NVSYNC ? 1 : 0) << 1;
-	writel(val, base +  DPI_CFG_POL);
-
-	/*
-	 * The DSI IP accepts vertical timing using lines as normal,
-	 * but horizontal timing is a mixture of pixel-clocks for the
-	 * active region and byte-lane clocks for the blanking-related
-	 * timings.  hfp is specified as the total hline_time in byte-
-	 * lane clocks minus hsa, hbp and active.
-	 */
-	pixel_clk_kHz = mode->clock;
-	htot = mode->htotal;
-	vtot = mode->vtotal;
-	hfp = mode->hsync_start - mode->hdisplay;
-	hbp = mode->htotal - mode->hsync_end;
-	hsw = mode->hsync_end - mode->hsync_start;
-	vfp = mode->vsync_start - mode->vdisplay;
-	vbp = mode->vtotal - mode->vsync_end;
-	vsw = mode->vsync_end - mode->vsync_start;
-	if (vsw > 15) {
-		DRM_DEBUG_DRIVER("vsw exceeded 15\n");
-		vsw = 15;
-	}
-
-	hsa_time = (hsw * lane_byte_clk_kHz) / pixel_clk_kHz;
-	hbp_time = (hbp * lane_byte_clk_kHz) / pixel_clk_kHz;
-	tmp = (u64)htot * (u64)lane_byte_clk_kHz;
-	hline_time = DIV_ROUND_UP(tmp, pixel_clk_kHz);
-
-	/* all specified in byte-lane clocks */
-	writel(hsa_time, base + VID_HSA_TIME);
-	writel(hbp_time, base + VID_HBP_TIME);
-	writel(hline_time, base + VID_HLINE_TIME);
-
-	writel(vsw, base + VID_VSA_LINES);
-	writel(vbp, base + VID_VBP_LINES);
-	writel(vfp, base + VID_VFP_LINES);
-	writel(mode->vdisplay, base + VID_VACTIVE_LINES);
-	writel(mode->hdisplay, base + VID_PKT_SIZE);
-
-	DRM_DEBUG_DRIVER("htot=%d, hfp=%d, hbp=%d, hsw=%d\n",
-			 htot, hfp, hbp, hsw);
-	DRM_DEBUG_DRIVER("vtol=%d, vfp=%d, vbp=%d, vsw=%d\n",
-			 vtot, vfp, vbp, vsw);
-	DRM_DEBUG_DRIVER("hsa_time=%d, hbp_time=%d, hline_time=%d\n",
-			 hsa_time, hbp_time, hline_time);
-}
-
-static void dsi_set_video_mode(void __iomem *base, unsigned long flags)
-{
-	u32 val;
-	u32 mode_mask = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
-		MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
-	u32 non_burst_sync_pulse = MIPI_DSI_MODE_VIDEO |
-		MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
-	u32 non_burst_sync_event = MIPI_DSI_MODE_VIDEO;
-
-	/*
-	 * choose video mode type
-	 */
-	if ((flags & mode_mask) == non_burst_sync_pulse)
-		val = DSI_NON_BURST_SYNC_PULSES;
-	else if ((flags & mode_mask) == non_burst_sync_event)
-		val = DSI_NON_BURST_SYNC_EVENTS;
-	else
-		val = DSI_BURST_SYNC_PULSES_1;
-	writel(val, base + VID_MODE_CFG);
-
-	writel(PHY_TXREQUESTCLKHS, base + LPCLK_CTRL);
-	writel(DSI_VIDEO_MODE, base + MODE_CFG);
-}
-
-static void dsi_mipi_init(struct dw_dsi *dsi)
-{
-	struct dsi_hw_ctx *ctx = dsi->ctx;
-	struct mipi_phy_params *phy = &dsi->phy;
-	struct drm_display_mode *mode = &dsi->cur_mode;
-	u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
-	void __iomem *base = ctx->base;
-	u32 dphy_req_kHz;
-
-	/*
-	 * count phy params
-	 */
-	dphy_req_kHz = mode->clock * bpp / dsi->lanes;
-	dsi_get_phy_params(dphy_req_kHz, phy);
-
-	/* reset Core */
-	writel(RESET, base + PWR_UP);
-
-	/* set dsi phy params */
-	dsi_set_mipi_phy(base, phy, dsi->lanes);
-
-	/* set dsi mode timing */
-	dsi_set_mode_timing(base, phy->lane_byte_clk_kHz, mode, dsi->format);
-
-	/* set dsi video mode */
-	dsi_set_video_mode(base, dsi->mode_flags);
-
-	/* dsi wake up */
-	writel(POWERUP, base + PWR_UP);
-
-	DRM_DEBUG_DRIVER("lanes=%d, pixel_clk=%d kHz, bytes_freq=%d kHz\n",
-			 dsi->lanes, mode->clock, phy->lane_byte_clk_kHz);
-}
-
-static void dsi_encoder_disable(struct drm_encoder *encoder)
-{
-	struct dw_dsi *dsi = encoder_to_dsi(encoder);
-	struct dsi_hw_ctx *ctx = dsi->ctx;
-	void __iomem *base = ctx->base;
-
-	if (!dsi->enable)
-		return;
-
-	writel(0, base + PWR_UP);
-	writel(0, base + LPCLK_CTRL);
-	writel(0, base + PHY_RSTZ);
-	clk_disable_unprepare(ctx->pclk);
-
-	dsi->enable = false;
-}
-
-static void dsi_encoder_enable(struct drm_encoder *encoder)
-{
-	struct dw_dsi *dsi = encoder_to_dsi(encoder);
-	struct dsi_hw_ctx *ctx = dsi->ctx;
-	int ret;
-
-	if (dsi->enable)
-		return;
-
-	ret = clk_prepare_enable(ctx->pclk);
-	if (ret) {
-		DRM_ERROR("fail to enable pclk: %d\n", ret);
-		return;
-	}
-
-	dsi_mipi_init(dsi);
-
-	dsi->enable = true;
-}
-
-static enum drm_mode_status dsi_encoder_phy_mode_valid(
-					struct drm_encoder *encoder,
-					const struct drm_display_mode *mode)
-{
-	struct dw_dsi *dsi = encoder_to_dsi(encoder);
-	struct mipi_phy_params phy;
-	u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
-	u32 req_kHz, act_kHz, lane_byte_clk_kHz;
-
-	/* Calculate the lane byte clk using the adjusted mode clk */
-	memset(&phy, 0, sizeof(phy));
-	req_kHz = mode->clock * bpp / dsi->lanes;
-	act_kHz = dsi_calc_phy_rate(req_kHz, &phy);
-	lane_byte_clk_kHz = act_kHz / 8;
-
-	DRM_DEBUG_DRIVER("Checking mode %ix%i-%i@%i clock: %i...",
-			mode->hdisplay, mode->vdisplay, bpp,
-			drm_mode_vrefresh(mode), mode->clock);
-
-	/*
-	 * Make sure the adjusted mode clock and the lane byte clk
-	 * have a common denominator base frequency
-	 */
-	if (mode->clock/dsi->lanes == lane_byte_clk_kHz/3) {
-		DRM_DEBUG_DRIVER("OK!\n");
-		return MODE_OK;
-	}
-
-	DRM_DEBUG_DRIVER("BAD!\n");
-	return MODE_BAD;
-}
-
-static enum drm_mode_status dsi_encoder_mode_valid(struct drm_encoder *encoder,
-					const struct drm_display_mode *mode)
-
-{
-	const struct drm_crtc_helper_funcs *crtc_funcs = NULL;
-	struct drm_crtc *crtc = NULL;
-	struct drm_display_mode adj_mode;
-	enum drm_mode_status ret;
-
-	/*
-	 * The crtc might adjust the mode, so go through the
-	 * possible crtcs (technically just one) and call
-	 * mode_fixup to figure out the adjusted mode before we
-	 * validate it.
-	 */
-	drm_for_each_crtc(crtc, encoder->dev) {
-		/*
-		 * reset adj_mode to the mode value each time,
-		 * so we don't adjust the mode twice
-		 */
-		drm_mode_copy(&adj_mode, mode);
-
-		crtc_funcs = crtc->helper_private;
-		if (crtc_funcs && crtc_funcs->mode_fixup)
-			if (!crtc_funcs->mode_fixup(crtc, mode, &adj_mode))
-				return MODE_BAD;
-
-		ret = dsi_encoder_phy_mode_valid(encoder, &adj_mode);
-		if (ret != MODE_OK)
-			return ret;
-	}
-	return MODE_OK;
-}
-
-static void dsi_encoder_mode_set(struct drm_encoder *encoder,
-				 struct drm_display_mode *mode,
-				 struct drm_display_mode *adj_mode)
-{
-	struct dw_dsi *dsi = encoder_to_dsi(encoder);
-
-	drm_mode_copy(&dsi->cur_mode, adj_mode);
-}
-
-static int dsi_encoder_atomic_check(struct drm_encoder *encoder,
-				    struct drm_crtc_state *crtc_state,
-				    struct drm_connector_state *conn_state)
-{
-	/* do nothing */
-	return 0;
-}
-
-static const struct drm_encoder_helper_funcs dw_encoder_helper_funcs = {
-	.atomic_check	= dsi_encoder_atomic_check,
-	.mode_valid	= dsi_encoder_mode_valid,
-	.mode_set	= dsi_encoder_mode_set,
-	.enable		= dsi_encoder_enable,
-	.disable	= dsi_encoder_disable
-};
-
-static int dw_drm_encoder_init(struct device *dev,
-			       struct drm_device *drm_dev,
-			       struct drm_encoder *encoder)
-{
-	int ret;
-	u32 crtc_mask = drm_of_find_possible_crtcs(drm_dev, dev->of_node);
-
-	if (!crtc_mask) {
-		DRM_ERROR("failed to find crtc mask\n");
-		return -EINVAL;
-	}
-
-	encoder->possible_crtcs = crtc_mask;
-	ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_DSI);
-	if (ret) {
-		DRM_ERROR("failed to init dsi encoder\n");
-		return ret;
-	}
-
-	drm_encoder_helper_add(encoder, &dw_encoder_helper_funcs);
-
-	return 0;
-}
-
-static int dsi_host_attach(struct mipi_dsi_host *host,
-			   struct mipi_dsi_device *mdsi)
-{
-	struct dw_dsi *dsi = host_to_dsi(host);
-
-	if (mdsi->lanes < 1 || mdsi->lanes > 4) {
-		DRM_ERROR("dsi device params invalid\n");
-		return -EINVAL;
-	}
-
-	dsi->lanes = mdsi->lanes;
-	dsi->format = mdsi->format;
-	dsi->mode_flags = mdsi->mode_flags;
-
-	return 0;
-}
-
-static int dsi_host_detach(struct mipi_dsi_host *host,
-			   struct mipi_dsi_device *mdsi)
-{
-	/* do nothing */
-	return 0;
-}
-
-static const struct mipi_dsi_host_ops dsi_host_ops = {
-	.attach = dsi_host_attach,
-	.detach = dsi_host_detach,
-};
-
-static int dsi_host_init(struct device *dev, struct dw_dsi *dsi)
-{
-	struct mipi_dsi_host *host = &dsi->host;
-	int ret;
-
-	host->dev = dev;
-	host->ops = &dsi_host_ops;
-	ret = mipi_dsi_host_register(host);
-	if (ret) {
-		DRM_ERROR("failed to register dsi host\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-static int dsi_bridge_init(struct drm_device *dev, struct dw_dsi *dsi)
-{
-	struct drm_encoder *encoder = &dsi->encoder;
-	struct drm_bridge *bridge = dsi->bridge;
-	int ret;
-
-	/* associate the bridge to dsi encoder */
-	ret = drm_bridge_attach(encoder, bridge, NULL, 0);
-	if (ret) {
-		DRM_ERROR("failed to attach external bridge\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-static int dsi_bind(struct device *dev, struct device *master, void *data)
-{
-	struct dsi_data *ddata = dev_get_drvdata(dev);
-	struct dw_dsi *dsi = &ddata->dsi;
-	struct drm_device *drm_dev = data;
-	int ret;
-
-	ret = dw_drm_encoder_init(dev, drm_dev, &dsi->encoder);
-	if (ret)
-		return ret;
-
-	ret = dsi_host_init(dev, dsi);
-	if (ret)
-		return ret;
-
-	ret = dsi_bridge_init(drm_dev, dsi);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static void dsi_unbind(struct device *dev, struct device *master, void *data)
-{
-	/* do nothing */
-}
-
-static const struct component_ops dsi_ops = {
-	.bind	= dsi_bind,
-	.unbind	= dsi_unbind,
-};
-
-static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi)
-{
-	struct dsi_hw_ctx *ctx = dsi->ctx;
-	struct device_node *np = pdev->dev.of_node;
-	struct resource *res;
-	int ret;
-
-	/*
-	 * Get the endpoint node. In our case, dsi has one output port1
-	 * to which the external HDMI bridge is connected.
-	 */
-	ret = drm_of_find_panel_or_bridge(np, 1, 0, NULL, &dsi->bridge);
-	if (ret)
-		return ret;
-
-	ctx->pclk = devm_clk_get(&pdev->dev, "pclk");
-	if (IS_ERR(ctx->pclk)) {
-		DRM_ERROR("failed to get pclk clock\n");
-		return PTR_ERR(ctx->pclk);
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctx->base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(ctx->base)) {
-		DRM_ERROR("failed to remap dsi io region\n");
-		return PTR_ERR(ctx->base);
-	}
-
-	return 0;
-}
-
-static int dsi_probe(struct platform_device *pdev)
-{
-	struct dsi_data *data;
-	struct dw_dsi *dsi;
-	struct dsi_hw_ctx *ctx;
-	int ret;
-
-	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
-	if (!data) {
-		DRM_ERROR("failed to allocate dsi data.\n");
-		return -ENOMEM;
-	}
-	dsi = &data->dsi;
-	ctx = &data->ctx;
-	dsi->ctx = ctx;
-
-	ret = dsi_parse_dt(pdev, dsi);
-	if (ret)
-		return ret;
-
-	platform_set_drvdata(pdev, data);
-
-	return component_add(&pdev->dev, &dsi_ops);
-}
-
-static int dsi_remove(struct platform_device *pdev)
-{
-	component_del(&pdev->dev, &dsi_ops);
-
-	return 0;
-}
-
-static const struct of_device_id dsi_of_match[] = {
-	{.compatible = "hisilicon,hi6220-dsi"},
-	{ }
-};
-MODULE_DEVICE_TABLE(of, dsi_of_match);
-
-static struct platform_driver dsi_driver = {
-	.probe = dsi_probe,
-	.remove = dsi_remove,
-	.driver = {
-		.name = "dw-dsi",
-		.of_match_table = dsi_of_match,
-	},
-};
-
-module_platform_driver(dsi_driver);
-
-MODULE_AUTHOR("Xinliang Liu <xinliang.liu@linaro.org>");
-MODULE_AUTHOR("Xinliang Liu <z.liuxinliang@hisilicon.com>");
-MODULE_AUTHOR("Xinwei Kong <kong.kongxinwei@hisilicon.com>");
-MODULE_DESCRIPTION("DesignWare MIPI DSI Host Controller v1.02 driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h b/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
index 19e81ff..6c31ee0 100644
--- a/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
+++ b/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
@@ -8,7 +8,7 @@
 #define __DW_DSI_REG_H__
 
 #define MASK(x)				(BIT(x) - 1)
-
+#define DEFAULT_MAX_TX_ESC_CLK	(10 * 1000000UL)	//for hikey960
 /*
  * regs
  */
@@ -52,6 +52,50 @@
 #define VID_VACTIVE_LINES       0x60  /* Vertical resolution */
 #define VID_PKT_SIZE            0x3C  /* Video packet size */
 #define VID_MODE_CFG            0x38  /* Video mode configuration */
+/***************************for hikey960***********************************/
+#define GEN_HDR			0x6c
+#define GEN_HDATA(data)		(((data) & 0xffff) << 8)
+#define GEN_HDATA_MASK		(0xffff << 8)
+#define GEN_HTYPE(type)		(((type) & 0xff) << 0)
+#define GEN_HTYPE_MASK		0xff
+#define GEN_PLD_DATA		0x70
+#define CMD_PKT_STATUS		0x74
+#define GEN_CMD_EMPTY		BIT(0)
+#define GEN_CMD_FULL		BIT(1)
+#define GEN_PLD_W_EMPTY		BIT(2)
+#define GEN_PLD_W_FULL		BIT(3)
+#define GEN_PLD_R_EMPTY		BIT(4)
+#define GEN_PLD_R_FULL		BIT(5)
+#define GEN_RD_CMD_BUSY		BIT(6)
+#define CMD_MODE_CFG		0x68
+#define MAX_RD_PKT_SIZE_LP	BIT(24)
+#define DCS_LW_TX_LP		BIT(19)
+#define DCS_SR_0P_TX_LP		BIT(18)
+#define DCS_SW_1P_TX_LP		BIT(17)
+#define DCS_SW_0P_TX_LP		BIT(16)
+#define GEN_LW_TX_LP		BIT(14)
+#define GEN_SR_2P_TX_LP		BIT(13)
+#define GEN_SR_1P_TX_LP		BIT(12)
+#define GEN_SR_0P_TX_LP		BIT(11)
+#define GEN_SW_2P_TX_LP		BIT(10)
+#define GEN_SW_1P_TX_LP		BIT(9)
+#define GEN_SW_0P_TX_LP		BIT(8)
+#define EN_ACK_RQST		BIT(1)
+#define EN_TEAR_FX		BIT(0)
+#define CMD_PKT_STATUS_TIMEOUT_US	20000
+#define CMD_MODE_ALL_LP		(MAX_RD_PKT_SIZE_LP | \
+				 DCS_LW_TX_LP | \
+				 DCS_SR_0P_TX_LP | \
+				 DCS_SW_1P_TX_LP | \
+				 DCS_SW_0P_TX_LP | \
+				 GEN_LW_TX_LP | \
+				 GEN_SR_2P_TX_LP | \
+				 GEN_SR_1P_TX_LP | \
+				 GEN_SR_0P_TX_LP | \
+				 GEN_SW_2P_TX_LP | \
+				 GEN_SW_1P_TX_LP | \
+				 GEN_SW_0P_TX_LP)
+/***************************for hikey960***********************************/
 #define PHY_TMR_CFG             0x9C  /* Data lanes timing configuration */
 #define BTA_TO_CNT              0x8C  /* Response timeout definition */
 #define PHY_TMR_LPCLK_CFG       0x98  /* clock lane timing configuration */
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/kirin/dw_drm_dsi.c
new file mode 100644
index 0000000..222de29
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin/dw_drm_dsi.c
@@ -0,0 +1,657 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * DesignWare MIPI DSI Host Controller v1.02 driver
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * Author:
+ *	Xinliang Liu <z.liuxinliang@hisilicon.com>
+ *	Xinliang Liu <xinliang.liu@linaro.org>
+ *	Xinwei Kong <kong.kongxinwei@hisilicon.com>
+ *	Da Lv <lvda3@hisilicon.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_device.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_of.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
+#include "../kirin_drm_dsi.h"
+#include "../dw_dsi_reg.h"
+
+#define MAX_TX_ESC_CLK		10
+
+static u32 dsi_calc_phy_rate(u32 req_kHz, struct mipi_phy_params *phy)
+{
+	u32 ref_clk_ps = PHY_REF_CLK_PERIOD_PS;
+	u32 tmp_kHz = req_kHz;
+	u32 i = 0;
+	u32 q_pll = 1;
+	u32 m_pll = 0;
+	u32 n_pll = 0;
+	u32 r_pll = 1;
+	u32 m_n = 0;
+	u32 m_n_int = 0;
+	u32 f_kHz = 0;
+	u64 temp;
+
+	/*
+	 * Find a rate >= req_kHz.
+	 */
+	do {
+		f_kHz = tmp_kHz;
+
+		for (i = 0; i < ARRAY_SIZE(dphy_range_info); i++)
+			if (f_kHz >= dphy_range_info[i].min_range_kHz &&
+			    f_kHz <= dphy_range_info[i].max_range_kHz)
+				break;
+
+		if (i == ARRAY_SIZE(dphy_range_info)) {
+			DRM_ERROR("%dkHz out of range\n", f_kHz);
+			return 0;
+		}
+
+		phy->pll_vco_750M = dphy_range_info[i].pll_vco_750M;
+		phy->hstx_ckg_sel = dphy_range_info[i].hstx_ckg_sel;
+
+		if (phy->hstx_ckg_sel <= 7 &&
+		    phy->hstx_ckg_sel >= 4)
+			q_pll = 0x10 >> (7 - phy->hstx_ckg_sel);
+
+		temp = f_kHz * (u64)q_pll * (u64)ref_clk_ps;
+		m_n_int = temp / (u64)1000000000;
+		m_n = (temp % (u64)1000000000) / (u64)100000000;
+
+		if (m_n_int % 2 == 0) {
+			if (m_n * 6 >= 50) {
+				n_pll = 2;
+				m_pll = (m_n_int + 1) * n_pll;
+			} else if (m_n * 6 >= 30) {
+				n_pll = 3;
+				m_pll = m_n_int * n_pll + 2;
+			} else {
+				n_pll = 1;
+				m_pll = m_n_int * n_pll;
+			}
+		} else {
+			if (m_n * 6 >= 50) {
+				n_pll = 1;
+				m_pll = (m_n_int + 1) * n_pll;
+			} else if (m_n * 6 >= 30) {
+				n_pll = 1;
+				m_pll = (m_n_int + 1) * n_pll;
+			} else if (m_n * 6 >= 10) {
+				n_pll = 3;
+				m_pll = m_n_int * n_pll + 1;
+			} else {
+				n_pll = 2;
+				m_pll = m_n_int * n_pll;
+			}
+		}
+
+		if (n_pll == 1) {
+			phy->pll_fbd_p = 0;
+			phy->pll_pre_div1p = 1;
+		} else {
+			phy->pll_fbd_p = n_pll;
+			phy->pll_pre_div1p = 0;
+		}
+
+		if (phy->pll_fbd_2p <= 7 && phy->pll_fbd_2p >= 4)
+			r_pll = 0x10 >> (7 - phy->pll_fbd_2p);
+
+		if (m_pll == 2) {
+			phy->pll_pre_p = 0;
+			phy->pll_fbd_s = 0;
+			phy->pll_fbd_div1f = 0;
+			phy->pll_fbd_div5f = 1;
+		} else if (m_pll >= 2 * 2 * r_pll && m_pll <= 2 * 4 * r_pll) {
+			phy->pll_pre_p = m_pll / (2 * r_pll);
+			phy->pll_fbd_s = 0;
+			phy->pll_fbd_div1f = 1;
+			phy->pll_fbd_div5f = 0;
+		} else if (m_pll >= 2 * 5 * r_pll && m_pll <= 2 * 150 * r_pll) {
+			if (((m_pll / (2 * r_pll)) % 2) == 0) {
+				phy->pll_pre_p =
+					(m_pll / (2 * r_pll)) / 2 - 1;
+				phy->pll_fbd_s =
+					(m_pll / (2 * r_pll)) % 2 + 2;
+			} else {
+				phy->pll_pre_p =
+					(m_pll / (2 * r_pll)) / 2;
+				phy->pll_fbd_s =
+					(m_pll / (2 * r_pll)) % 2;
+			}
+			phy->pll_fbd_div1f = 0;
+			phy->pll_fbd_div5f = 0;
+		} else {
+			phy->pll_pre_p = 0;
+			phy->pll_fbd_s = 0;
+			phy->pll_fbd_div1f = 0;
+			phy->pll_fbd_div5f = 1;
+		}
+
+		f_kHz = (u64)1000000000 * (u64)m_pll /
+			((u64)ref_clk_ps * (u64)n_pll * (u64)q_pll);
+
+		if (f_kHz >= req_kHz)
+			break;
+
+		tmp_kHz += 10;
+
+	} while (true);
+
+	return f_kHz;
+}
+
+static void dsi_get_phy_params(u32 phy_req_kHz,
+			       struct mipi_phy_params *phy)
+{
+	u32 ref_clk_ps = PHY_REF_CLK_PERIOD_PS;
+	u32 phy_rate_kHz;
+	u32 ui;
+
+	memset(phy, 0, sizeof(*phy));
+
+	phy_rate_kHz = dsi_calc_phy_rate(phy_req_kHz, phy);
+	if (!phy_rate_kHz)
+		return;
+
+	ui = 1000000 / phy_rate_kHz;
+
+	phy->clk_t_lpx = ROUND(50, 8 * ui);
+	phy->clk_t_hs_prepare = ROUND(133, 16 * ui) - 1;
+
+	phy->clk_t_hs_zero = ROUND(262, 8 * ui);
+	phy->clk_t_hs_trial = 2 * (ROUND(60, 8 * ui) - 1);
+	phy->clk_t_wakeup = ROUND(1000000, (ref_clk_ps / 1000) - 1);
+	if (phy->clk_t_wakeup > 0xff)
+		phy->clk_t_wakeup = 0xff;
+	phy->data_t_wakeup = phy->clk_t_wakeup;
+	phy->data_t_lpx = phy->clk_t_lpx;
+	phy->data_t_hs_prepare = ROUND(125 + 10 * ui, 16 * ui) - 1;
+	phy->data_t_hs_zero = ROUND(105 + 6 * ui, 8 * ui);
+	phy->data_t_hs_trial = 2 * (ROUND(60 + 4 * ui, 8 * ui) - 1);
+	phy->data_t_ta_go = 3;
+	phy->data_t_ta_get = 4;
+
+	phy->pll_enbwt = 1;
+	phy->clklp2hs_time = ROUND(407, 8 * ui) + 12;
+	phy->clkhs2lp_time = ROUND(105 + 12 * ui, 8 * ui);
+	phy->lp2hs_time = ROUND(240 + 12 * ui, 8 * ui) + 1;
+	phy->hs2lp_time = phy->clkhs2lp_time;
+	phy->clk_to_data_delay = 1 + phy->clklp2hs_time;
+	phy->data_to_clk_delay = ROUND(60 + 52 * ui, 8 * ui) +
+				phy->clkhs2lp_time;
+
+	phy->lane_byte_clk_kHz = phy_rate_kHz / 8;
+	phy->clk_division =
+		DIV_ROUND_UP(phy->lane_byte_clk_kHz, MAX_TX_ESC_CLK);
+}
+
+static u32 dsi_get_dpi_color_coding(enum mipi_dsi_pixel_format format)
+{
+	u32 val;
+
+	/*
+	 * TODO: only support RGB888 now, to support more
+	 */
+	switch (format) {
+	case MIPI_DSI_FMT_RGB888:
+		val = DSI_24BITS_1;
+		break;
+	default:
+		val = DSI_24BITS_1;
+		break;
+	}
+
+	return val;
+}
+
+/*
+ * dsi phy reg write function
+ */
+static void dsi_phy_tst_set(void __iomem *base, u32 reg, u32 val)
+{
+	u32 reg_write = 0x10000 + reg;
+
+	/*
+	 * latch reg first
+	 */
+	writel(reg_write, base + PHY_TST_CTRL1);
+	writel(0x02, base + PHY_TST_CTRL0);
+	writel(0x00, base + PHY_TST_CTRL0);
+
+	/*
+	 * then latch value
+	 */
+	writel(val, base + PHY_TST_CTRL1);
+	writel(0x02, base + PHY_TST_CTRL0);
+	writel(0x00, base + PHY_TST_CTRL0);
+}
+
+static void dsi_set_phy_timer(void __iomem *base,
+			      struct mipi_phy_params *phy,
+			      u32 lanes)
+{
+	u32 val;
+
+	/*
+	 * Set lane value and phy stop wait time.
+	 */
+	val = (lanes - 1) | (PHY_STOP_WAIT_TIME << 8);
+	writel(val, base + PHY_IF_CFG);
+
+	/*
+	 * Set phy clk division.
+	 */
+	val = readl(base + CLKMGR_CFG) | phy->clk_division;
+	writel(val, base + CLKMGR_CFG);
+
+	/*
+	 * Set lp and hs switching params.
+	 */
+	dw_update_bits(base + PHY_TMR_CFG, 24, MASK(8), phy->hs2lp_time);
+	dw_update_bits(base + PHY_TMR_CFG, 16, MASK(8), phy->lp2hs_time);
+	dw_update_bits(base + PHY_TMR_LPCLK_CFG, 16, MASK(10),
+		       phy->clkhs2lp_time);
+	dw_update_bits(base + PHY_TMR_LPCLK_CFG, 0, MASK(10),
+		       phy->clklp2hs_time);
+	dw_update_bits(base + CLK_DATA_TMR_CFG, 8, MASK(8),
+		       phy->data_to_clk_delay);
+	dw_update_bits(base + CLK_DATA_TMR_CFG, 0, MASK(8),
+		       phy->clk_to_data_delay);
+}
+
+static void dsi_set_mipi_phy(void __iomem *base,
+			     struct mipi_phy_params *phy,
+			     u32 lanes)
+{
+	u32 delay_count;
+	u32 val;
+	u32 i;
+
+	/* phy timer setting */
+	dsi_set_phy_timer(base, phy, lanes);
+
+	/*
+	 * Reset to clean up phy tst params.
+	 */
+	writel(0, base + PHY_RSTZ);
+	writel(0, base + PHY_TST_CTRL0);
+	writel(1, base + PHY_TST_CTRL0);
+	writel(0, base + PHY_TST_CTRL0);
+
+	/*
+	 * Clock lane timing control setting: TLPX, THS-PREPARE,
+	 * THS-ZERO, THS-TRAIL, TWAKEUP.
+	 */
+	dsi_phy_tst_set(base, CLK_TLPX, phy->clk_t_lpx);
+	dsi_phy_tst_set(base, CLK_THS_PREPARE, phy->clk_t_hs_prepare);
+	dsi_phy_tst_set(base, CLK_THS_ZERO, phy->clk_t_hs_zero);
+	dsi_phy_tst_set(base, CLK_THS_TRAIL, phy->clk_t_hs_trial);
+	dsi_phy_tst_set(base, CLK_TWAKEUP, phy->clk_t_wakeup);
+
+	/*
+	 * Data lane timing control setting: TLPX, THS-PREPARE,
+	 * THS-ZERO, THS-TRAIL, TTA-GO, TTA-GET, TWAKEUP.
+	 */
+	for (i = 0; i < lanes; i++) {
+		dsi_phy_tst_set(base, DATA_TLPX(i), phy->data_t_lpx);
+		dsi_phy_tst_set(base, DATA_THS_PREPARE(i),
+				phy->data_t_hs_prepare);
+		dsi_phy_tst_set(base, DATA_THS_ZERO(i), phy->data_t_hs_zero);
+		dsi_phy_tst_set(base, DATA_THS_TRAIL(i), phy->data_t_hs_trial);
+		dsi_phy_tst_set(base, DATA_TTA_GO(i), phy->data_t_ta_go);
+		dsi_phy_tst_set(base, DATA_TTA_GET(i), phy->data_t_ta_get);
+		dsi_phy_tst_set(base, DATA_TWAKEUP(i), phy->data_t_wakeup);
+	}
+
+	/*
+	 * physical configuration: I, pll I, pll II, pll III,
+	 * pll IV, pll V.
+	 */
+	dsi_phy_tst_set(base, PHY_CFG_I, phy->hstx_ckg_sel);
+	val = (phy->pll_fbd_div5f << 5) + (phy->pll_fbd_div1f << 4) +
+				(phy->pll_fbd_2p << 1) + phy->pll_enbwt;
+	dsi_phy_tst_set(base, PHY_CFG_PLL_I, val);
+	dsi_phy_tst_set(base, PHY_CFG_PLL_II, phy->pll_fbd_p);
+	dsi_phy_tst_set(base, PHY_CFG_PLL_III, phy->pll_fbd_s);
+	val = (phy->pll_pre_div1p << 7) + phy->pll_pre_p;
+	dsi_phy_tst_set(base, PHY_CFG_PLL_IV, val);
+	val = (5 << 5) + (phy->pll_vco_750M << 4) + (phy->pll_lpf_rs << 2) +
+		phy->pll_lpf_cs;
+	dsi_phy_tst_set(base, PHY_CFG_PLL_V, val);
+
+	writel(PHY_ENABLECLK, base + PHY_RSTZ);
+	udelay(1);
+	writel(PHY_ENABLECLK | PHY_UNSHUTDOWNZ, base + PHY_RSTZ);
+	udelay(1);
+	writel(PHY_ENABLECLK | PHY_UNRSTZ | PHY_UNSHUTDOWNZ, base + PHY_RSTZ);
+	usleep_range(1000, 1500);
+
+	/*
+	 * wait for phy's clock ready
+	 */
+	delay_count = 100;
+	while (delay_count) {
+		val = readl(base +  PHY_STATUS);
+		if ((BIT(0) | BIT(2)) & val)
+			break;
+
+		udelay(1);
+		delay_count--;
+	}
+
+	if (!delay_count)
+		DRM_INFO("phylock and phystopstateclklane is not ready.\n");
+}
+
+static void dsi_set_mode_timing(void __iomem *base,
+				u32 lane_byte_clk_kHz,
+				struct drm_display_mode *mode,
+				enum mipi_dsi_pixel_format format)
+{
+	u32 hfp, hbp, hsw, vfp, vbp, vsw;
+	u32 hline_time;
+	u32 hsa_time;
+	u32 hbp_time;
+	u32 pixel_clk_kHz;
+	int htot, vtot;
+	u32 val;
+	u64 tmp;
+
+	val = dsi_get_dpi_color_coding(format);
+	writel(val, base + DPI_COLOR_CODING);
+
+	val = (mode->flags & DRM_MODE_FLAG_NHSYNC ? 1 : 0) << 2;
+	val |= (mode->flags & DRM_MODE_FLAG_NVSYNC ? 1 : 0) << 1;
+	writel(val, base +  DPI_CFG_POL);
+
+	/*
+	 * The DSI IP accepts vertical timing using lines as normal,
+	 * but horizontal timing is a mixture of pixel-clocks for the
+	 * active region and byte-lane clocks for the blanking-related
+	 * timings.  hfp is specified as the total hline_time in byte-
+	 * lane clocks minus hsa, hbp and active.
+	 */
+	pixel_clk_kHz = mode->clock;
+	htot = mode->htotal;
+	vtot = mode->vtotal;
+	hfp = mode->hsync_start - mode->hdisplay;
+	hbp = mode->htotal - mode->hsync_end;
+	hsw = mode->hsync_end - mode->hsync_start;
+	vfp = mode->vsync_start - mode->vdisplay;
+	vbp = mode->vtotal - mode->vsync_end;
+	vsw = mode->vsync_end - mode->vsync_start;
+	if (vsw > 15) {
+		DRM_DEBUG_DRIVER("vsw exceeded 15\n");
+		vsw = 15;
+	}
+
+	hsa_time = (hsw * lane_byte_clk_kHz) / pixel_clk_kHz;
+	hbp_time = (hbp * lane_byte_clk_kHz) / pixel_clk_kHz;
+	tmp = (u64)htot * (u64)lane_byte_clk_kHz;
+	hline_time = DIV_ROUND_UP(tmp, pixel_clk_kHz);
+
+	/* all specified in byte-lane clocks */
+	writel(hsa_time, base + VID_HSA_TIME);
+	writel(hbp_time, base + VID_HBP_TIME);
+	writel(hline_time, base + VID_HLINE_TIME);
+
+	writel(vsw, base + VID_VSA_LINES);
+	writel(vbp, base + VID_VBP_LINES);
+	writel(vfp, base + VID_VFP_LINES);
+	writel(mode->vdisplay, base + VID_VACTIVE_LINES);
+	writel(mode->hdisplay, base + VID_PKT_SIZE);
+
+	DRM_DEBUG_DRIVER("htot=%d, hfp=%d, hbp=%d, hsw=%d\n",
+			 htot, hfp, hbp, hsw);
+	DRM_DEBUG_DRIVER("vtol=%d, vfp=%d, vbp=%d, vsw=%d\n",
+			 vtot, vfp, vbp, vsw);
+	DRM_DEBUG_DRIVER("hsa_time=%d, hbp_time=%d, hline_time=%d\n",
+			 hsa_time, hbp_time, hline_time);
+}
+
+static void dsi_set_video_mode(void __iomem *base, unsigned long flags)
+{
+	u32 val;
+	u32 mode_mask = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+		MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+	u32 non_burst_sync_pulse = MIPI_DSI_MODE_VIDEO |
+		MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+	u32 non_burst_sync_event = MIPI_DSI_MODE_VIDEO;
+
+	/*
+	 * choose video mode type
+	 */
+	if ((flags & mode_mask) == non_burst_sync_pulse)
+		val = DSI_NON_BURST_SYNC_PULSES;
+	else if ((flags & mode_mask) == non_burst_sync_event)
+		val = DSI_NON_BURST_SYNC_EVENTS;
+	else
+		val = DSI_BURST_SYNC_PULSES_1;
+	writel(val, base + VID_MODE_CFG);
+
+	writel(PHY_TXREQUESTCLKHS, base + LPCLK_CTRL);
+	writel(DSI_VIDEO_MODE, base + MODE_CFG);
+}
+
+static void dsi_mipi_init(struct dw_dsi *dsi)
+{
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+	struct mipi_phy_params *phy = &dsi->phy;
+	struct drm_display_mode *mode = &dsi->cur_mode;
+	u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
+	void __iomem *base = ctx->base;
+	u32 dphy_req_kHz;
+
+	/*
+	 * count phy params
+	 */
+	dphy_req_kHz = mode->clock * bpp / dsi->lanes;
+	dsi_get_phy_params(dphy_req_kHz, phy);
+
+	/* reset Core */
+	writel(RESET, base + PWR_UP);
+
+	/* set dsi phy params */
+	dsi_set_mipi_phy(base, phy, dsi->lanes);
+
+	/* set dsi mode timing */
+	dsi_set_mode_timing(base, phy->lane_byte_clk_kHz, mode, dsi->format);
+
+	/* set dsi video mode */
+	dsi_set_video_mode(base, dsi->mode_flags);
+
+	/* dsi wake up */
+	writel(POWERUP, base + PWR_UP);
+
+	DRM_DEBUG_DRIVER("lanes=%d, pixel_clk=%d kHz, bytes_freq=%d kHz\n",
+			 dsi->lanes, mode->clock, phy->lane_byte_clk_kHz);
+}
+
+static void dsi_encoder_enable_sub(struct drm_encoder *encoder)
+{
+	struct dw_dsi *dsi = encoder_to_dsi(encoder);
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+	int ret;
+
+	if (dsi->enable)
+		return;
+
+	ret = clk_prepare_enable(ctx->pclk);
+	if (ret) {
+		DRM_ERROR("fail to enable pclk: %d\n", ret);
+		return;
+	}
+
+	dsi_mipi_init(dsi);
+}
+
+static enum drm_mode_status dsi_encoder_phy_mode_valid(
+					struct drm_encoder *encoder,
+					const struct drm_display_mode *mode)
+{
+	struct dw_dsi *dsi = encoder_to_dsi(encoder);
+	struct mipi_phy_params phy;
+	u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
+	u32 req_kHz, act_kHz, lane_byte_clk_kHz;
+
+	/* Calculate the lane byte clk using the adjusted mode clk */
+	memset(&phy, 0, sizeof(phy));
+	req_kHz = mode->clock * bpp / dsi->lanes;
+	act_kHz = dsi_calc_phy_rate(req_kHz, &phy);
+	lane_byte_clk_kHz = act_kHz / 8;
+
+	DRM_DEBUG_DRIVER("Checking mode %ix%i-%i@%i clock: %i...",
+			mode->hdisplay, mode->vdisplay, bpp,
+			drm_mode_vrefresh(mode), mode->clock);
+
+	/*
+	 * Make sure the adjusted mode clock and the lane byte clk
+	 * have a common denominator base frequency
+	 */
+	if (mode->clock/dsi->lanes == lane_byte_clk_kHz/3) {
+		DRM_DEBUG_DRIVER("OK!\n");
+		return MODE_OK;
+	}
+
+	DRM_DEBUG_DRIVER("BAD!\n");
+	return MODE_BAD;
+}
+
+static enum drm_mode_status dsi_encoder_mode_valid(struct drm_encoder *encoder,
+					const struct drm_display_mode *mode)
+
+{
+	const struct drm_crtc_helper_funcs *crtc_funcs = NULL;
+	struct drm_crtc *crtc = NULL;
+	struct drm_display_mode adj_mode;
+	enum drm_mode_status ret;
+
+	/*
+	 * The crtc might adjust the mode, so go through the
+	 * possible crtcs (technically just one) and call
+	 * mode_fixup to figure out the adjusted mode before we
+	 * validate it.
+	 */
+	drm_for_each_crtc(crtc, encoder->dev) {
+		/*
+		 * reset adj_mode to the mode value each time,
+		 * so we don't adjust the mode twice
+		 */
+		drm_mode_copy(&adj_mode, mode);
+
+		crtc_funcs = crtc->helper_private;
+		if (crtc_funcs && crtc_funcs->mode_fixup)
+			if (!crtc_funcs->mode_fixup(crtc, mode, &adj_mode))
+				return MODE_BAD;
+
+		ret = dsi_encoder_phy_mode_valid(encoder, &adj_mode);
+		if (ret != MODE_OK)
+			return ret;
+	}
+	return MODE_OK;
+}
+
+static int dsi_host_attach(struct mipi_dsi_host *host,
+			   struct mipi_dsi_device *mdsi)
+{
+	struct dw_dsi *dsi = host_to_dsi(host);
+
+	if (mdsi->lanes < 1 || mdsi->lanes > 4) {
+		DRM_ERROR("dsi device params invalid\n");
+		return -EINVAL;
+	}
+
+	dsi->lanes = mdsi->lanes;
+	dsi->format = mdsi->format;
+	dsi->mode_flags = mdsi->mode_flags;
+
+	return 0;
+}
+
+static int dsi_host_detach(struct mipi_dsi_host *host,
+			   struct mipi_dsi_device *mdsi)
+{
+	/* do nothing */
+	return 0;
+}
+
+static const struct mipi_dsi_host_ops dsi_host_ops = {
+	.attach = dsi_host_attach,
+	.detach = dsi_host_detach,
+};
+
+static int dsi_host_init(struct device *dev, struct dw_dsi *dsi)
+{
+	struct mipi_dsi_host *host = &dsi->host;
+	int ret;
+
+	host->dev = dev;
+	host->ops = &dsi_host_ops;
+	ret = mipi_dsi_host_register(host);
+	if (ret) {
+		DRM_ERROR("failed to register dsi host\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi)
+{
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+	struct device_node *np = pdev->dev.of_node;
+	struct resource *res;
+	int ret;
+
+	/*
+	 * Get the endpoint node. In our case, dsi has one output port1
+	 * to which the external HDMI bridge is connected.
+	 */
+	ret = drm_of_find_panel_or_bridge(np, 1, 0, NULL, &dsi->bridge);
+	if (ret)
+		return ret;
+
+	ctx->pclk = devm_clk_get(&pdev->dev, "pclk");
+	if (IS_ERR(ctx->pclk)) {
+		DRM_ERROR("failed to get pclk clock\n");
+		return PTR_ERR(ctx->pclk);
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	ctx->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ctx->base)) {
+		DRM_ERROR("failed to remap dsi io region\n");
+		return PTR_ERR(ctx->base);
+	}
+
+	return 0;
+}
+
+const struct kirin_dsi_ops kirin_dsi_620 = {
+	.version = KIRIN620_DSI,
+	.parse_dt = dsi_parse_dt,
+	.host_init = dsi_host_init,
+	.encoder_enable = dsi_encoder_enable_sub,
+	.encoder_valid = dsi_encoder_mode_valid
+};
+
+MODULE_AUTHOR("Xinliang Liu <xinliang.liu@linaro.org>");
+MODULE_AUTHOR("Xinliang Liu <z.liuxinliang@hisilicon.com>");
+MODULE_AUTHOR("Xinwei Kong <kong.kongxinwei@hisilicon.com>");
+MODULE_DESCRIPTION("DesignWare MIPI DSI Host Controller v1.02 driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin960/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/kirin960/dw_drm_dsi.c
new file mode 100644
index 0000000..ae52055
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin960/dw_drm_dsi.c
@@ -0,0 +1,1268 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * DesignWare MIPI DSI Host Controller v1.02 driver
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * Author:
+ *	<shizongxuan@huawei.com>
+ *	<zhangxiubin@huawei.com>
+ *  <lvda3@hisilicon.com>
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/component.h>
+#include <linux/of_graph.h>
+#include <linux/iopoll.h>
+#include <video/mipi_display.h>
+#include <linux/gpio/consumer.h>
+#include <linux/of_address.h>
+
+#include <drm/drm_of.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_encoder_slave.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_device.h>
+#include <drm/drm_sysfs.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
+#include "../kirin_drm_dsi.h"
+#include "../dw_dsi_reg.h"
+#include "../kirin_dpe_reg.h"
+
+#define DTS_COMP_DSI_NAME "hisilicon,hi3660-dsi"
+#define DSS_REDUCE(x) ((x) > 0 ? ((x) - 1) : (x))
+
+#define DEFAULT_MIPI_CLK_RATE (192 * 100000L)
+#define DEFAULT_PCLK_DSI_RATE (120 * 1000000L)
+
+struct dss_rect {
+	s32 x;
+	s32 y;
+	s32 w;
+	s32 h;
+};
+
+enum {
+	DSI_1_LANES = 0,
+	DSI_2_LANES,
+	DSI_3_LANES,
+	DSI_4_LANES,
+};
+
+static void set_reg(char __iomem *addr, uint32_t val, uint8_t bw, uint8_t bs)
+{
+	u32 mask = (1UL << bw) - 1UL;
+	u32 tmp = 0;
+
+	tmp = readl(addr);
+	tmp &= ~(mask << bs);
+
+	writel(tmp | ((val & mask) << bs), addr);
+}
+
+static enum drm_mode_status
+dsi_encoder_phy_mode_valid(struct drm_encoder *encoder,
+			   const struct drm_display_mode *mode)
+{
+	/* XXX HACK whitelist for now, to move it out of
+	 * common adv7511 code.  This should be replaced by
+	 * something closer to dsi_encoder_phy_mode_valid()
+	 * found in:
+	 *   drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
+	 */
+	DRM_DEBUG_DRIVER("Checking mode %ix%i@%i clock: %i...", mode->hdisplay,
+			 mode->vdisplay, drm_mode_vrefresh(mode), mode->clock);
+	if ((mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock == 148500) ||
+	    (mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock ==  80192) ||
+	    (mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock ==  74250) ||
+	    (mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock ==  61855) ||
+	    (mode->hdisplay == 1680 && mode->vdisplay == 1050 && mode->clock == 147116) ||
+	    (mode->hdisplay == 1680 && mode->vdisplay == 1050 && mode->clock == 146250) ||
+	    (mode->hdisplay == 1680 && mode->vdisplay == 1050 && mode->clock == 144589) ||
+	    (mode->hdisplay == 1600 && mode->vdisplay == 1200 && mode->clock == 160961) ||
+	    (mode->hdisplay == 1600 && mode->vdisplay ==  900 && mode->clock == 118963) ||
+	    (mode->hdisplay == 1440 && mode->vdisplay ==  900 && mode->clock == 126991) ||
+	    (mode->hdisplay == 1280 && mode->vdisplay == 1024 && mode->clock == 128946) ||
+	    (mode->hdisplay == 1280 && mode->vdisplay == 1024 && mode->clock ==  98619) ||
+	    (mode->hdisplay == 1280 && mode->vdisplay ==  960 && mode->clock == 102081) ||
+	    (mode->hdisplay == 1280 && mode->vdisplay ==  800 && mode->clock ==  83496) ||
+	    (mode->hdisplay == 1280 && mode->vdisplay ==  720 && mode->clock ==  74440) ||
+	    (mode->hdisplay == 1280 && mode->vdisplay ==  720 && mode->clock ==  74250) ||
+	    (mode->hdisplay == 1024 && mode->vdisplay ==  768 && mode->clock ==  78800) ||
+	    (mode->hdisplay == 1024 && mode->vdisplay ==  768 && mode->clock ==  75000) ||
+	    (mode->hdisplay == 1024 && mode->vdisplay ==  768 && mode->clock ==  81833) ||
+	    (mode->hdisplay ==  800 && mode->vdisplay ==  600 && mode->clock ==  48907) ||
+	    (mode->hdisplay ==  800 && mode->vdisplay ==  600 && mode->clock ==  40000) ||
+	    (mode->hdisplay ==  800 && mode->vdisplay ==  480 && mode->clock ==  32000)) {
+		DRM_DEBUG("OK\n");
+		return MODE_OK;
+	}
+	DRM_DEBUG("BAD\n");
+	return MODE_BAD;
+}
+
+static enum drm_mode_status
+dsi_encoder_mode_valid(struct drm_encoder *encoder,
+		       const struct drm_display_mode *mode)
+
+{
+	struct drm_crtc *crtc = NULL;
+	struct drm_display_mode adj_mode;
+	enum drm_mode_status ret;
+
+	/*
+	 * The crtc might adjust the mode, so go through the
+	 * possible crtcs (technically just one) and call
+	 * mode_fixup to figure out the adjusted mode before we
+	 * validate it.
+	 */
+	drm_for_each_crtc(crtc, encoder->dev) {
+		/*
+		 * reset adj_mode to the mode value each time,
+		 * so we don't adjust the mode twice
+		 */
+		drm_mode_copy(&adj_mode, mode);
+
+		#if 0
+		/* XXX - skip this as we're just using a whitelist */
+		crtc_funcs = crtc->helper_private;
+		if (crtc_funcs && crtc_funcs->mode_fixup)
+			if (!crtc_funcs->mode_fixup(crtc, mode, &adj_mode))
+				return MODE_BAD;
+		#endif
+		ret = dsi_encoder_phy_mode_valid(encoder, &adj_mode);
+		if (ret != MODE_OK)
+			return ret;
+	}
+	return MODE_OK;
+}
+
+static void get_dsi_phy_ctrl(struct dw_dsi *dsi,
+			     struct mipi_phy_params *phy_ctrl)
+{
+	struct mipi_panel_info *mipi = NULL;
+	struct drm_display_mode *mode = NULL;
+	u32 dphy_req_kHz;
+	int bpp;
+	u32 id = 0;
+	u32 ui = 0;
+	u32 m_pll = 0;
+	u32 n_pll = 0;
+	u32 m_n_fract = 0;
+	u32 m_n_int = 0;
+	u64 lane_clock = 0;
+	u64 vco_div = 1;
+
+	u32 accuracy = 0;
+	u32 unit_tx_byte_clk_hs = 0;
+	u32 clk_post = 0;
+	u32 clk_pre = 0;
+	u32 clk_t_hs_exit = 0;
+	u32 clk_pre_delay = 0;
+	u32 clk_t_hs_prepare = 0;
+	u32 clk_t_lpx = 0;
+	u32 clk_t_hs_zero = 0;
+	u32 clk_t_hs_trial = 0;
+	u32 data_post_delay = 0;
+	u32 data_t_hs_prepare = 0;
+	u32 data_t_hs_zero = 0;
+	u32 data_t_hs_trial = 0;
+	u32 data_t_lpx = 0;
+	u32 clk_pre_delay_reality = 0;
+	u32 clk_t_hs_zero_reality = 0;
+	u32 clk_post_delay_reality = 0;
+	u32 data_t_hs_zero_reality = 0;
+	u32 data_post_delay_reality = 0;
+	u32 data_pre_delay_reality = 0;
+
+	WARN_ON(!phy_ctrl);
+	WARN_ON(!dsi);
+
+	id = dsi->cur_client;
+	mode = &dsi->cur_mode;
+	mipi = &dsi->mipi;
+
+	/*
+	 * count phy params
+	 */
+	bpp = mipi_dsi_pixel_format_to_bpp(dsi->client[id].format);
+	if (bpp < 0)
+		return;
+	if (mode->clock > 80000)
+		dsi->client[id].lanes = 4;
+	else
+		dsi->client[id].lanes = 3;
+	if (dsi->client[id].phy_clock)
+		dphy_req_kHz = dsi->client[id].phy_clock;
+	else
+		dphy_req_kHz = mode->clock * bpp / dsi->client[id].lanes;
+
+	lane_clock = dphy_req_kHz / 1000;
+	DRM_DEBUG("Expected : lane_clock = %llu M\n", lane_clock);
+
+	/************************  PLL parameters config  *********************/
+	/*
+	 * chip spec :
+	 *	If the output data rate is below 320 Mbps,
+	 *	RG_BNAD_SEL should be set to 1.
+	 *	At this mode a post divider of 1/4 will be applied to VCO.
+	 */
+	if (lane_clock >= 320 && lane_clock <= 2500) {
+		phy_ctrl->rg_band_sel = 0; /*0x1E[2]*/
+		vco_div = 1;
+	} else if (lane_clock >= 80 && lane_clock < 320) {
+		phy_ctrl->rg_band_sel = 1;
+		vco_div = 4;
+	} else {
+		DRM_ERROR("80M <= lane_clock< = 2500M, not support lane_clock = %llu M\n",
+			  lane_clock);
+	}
+
+	m_n_int = lane_clock * vco_div * 1000000UL / DEFAULT_MIPI_CLK_RATE;
+	m_n_fract = ((lane_clock * vco_div * 1000000UL * 1000UL /
+		      DEFAULT_MIPI_CLK_RATE) %
+		     1000) *
+		    10 / 1000;
+
+	if (m_n_int % 2 == 0) {
+		if (m_n_fract * 6 >= 50) {
+			n_pll = 2;
+			m_pll = (m_n_int + 1) * n_pll;
+		} else if (m_n_fract * 6 >= 30) {
+			n_pll = 3;
+			m_pll = m_n_int * n_pll + 2;
+		} else {
+			n_pll = 1;
+			m_pll = m_n_int * n_pll;
+		}
+	} else {
+		if (m_n_fract * 6 >= 50) {
+			n_pll = 1;
+			m_pll = (m_n_int + 1) * n_pll;
+		} else if (m_n_fract * 6 >= 30) {
+			n_pll = 1;
+			m_pll = (m_n_int + 1) * n_pll;
+		} else if (m_n_fract * 6 >= 10) {
+			n_pll = 3;
+			m_pll = m_n_int * n_pll + 1;
+		} else {
+			n_pll = 2;
+			m_pll = m_n_int * n_pll;
+		}
+	}
+
+	/*if set rg_pll_enswc=1, pll_fbd_s can't be 0*/
+	if (m_pll <= 8) {
+		phy_ctrl->pll_fbd_s = 1;
+		phy_ctrl->rg_pll_enswc = 0;
+
+		if (m_pll % 2 == 0) {
+			phy_ctrl->pll_fbd_p = m_pll / 2;
+		} else {
+			if (n_pll == 1) {
+				n_pll *= 2;
+				phy_ctrl->pll_fbd_p = (m_pll * 2) / 2;
+			} else {
+				DRM_ERROR("phy m_pll not support!m_pll = %d\n",
+					  m_pll);
+				return;
+			}
+		}
+	} else if (m_pll <= 300) {
+		if (m_pll % 2 == 0)
+			phy_ctrl->rg_pll_enswc = 0;
+		else
+			phy_ctrl->rg_pll_enswc = 1;
+
+		phy_ctrl->pll_fbd_s = 1;
+		phy_ctrl->pll_fbd_p = m_pll / 2;
+	} else if (m_pll <= 315) {
+		phy_ctrl->pll_fbd_p = 150;
+		phy_ctrl->pll_fbd_s = m_pll - 2 * phy_ctrl->pll_fbd_p;
+		phy_ctrl->rg_pll_enswc = 1;
+	} else {
+		DRM_ERROR("phy m_pll not support!m_pll = %d\n", m_pll);
+		return;
+	}
+
+	phy_ctrl->pll_pre_p = n_pll;
+
+	lane_clock = m_pll * (DEFAULT_MIPI_CLK_RATE / n_pll) / vco_div;
+	DRM_DEBUG("Config : lane_clock = %llu\n", lane_clock);
+
+	/*FIXME :*/
+	phy_ctrl->rg_pll_cp = 1;		/*0x16[7:5]*/
+	phy_ctrl->rg_pll_cp_p = 3;		/*0x1E[7:5]*/
+
+	/*test_code_0x14 other parameters config*/
+	phy_ctrl->pll_enbwt = 0;		/*0x14[2]*/
+	phy_ctrl->rg_pll_chp = 0;		/*0x14[1:0]*/
+
+	/*test_code_0x16 other parameters config,  0x16[3:2] reserved*/
+	phy_ctrl->pll_lpf_cs = 0;		/*0x16[4]*/
+	phy_ctrl->rg_pll_refsel = 1;		/*0x16[1:0]*/
+
+	/*test_code_0x1E other parameters config*/
+	phy_ctrl->reload_sel = 1;		/*0x1E[4]*/
+	phy_ctrl->rg_phase_gen_en = 1;		/*0x1E[3]*/
+	phy_ctrl->pll_power_down = 0;		/*0x1E[1]*/
+	phy_ctrl->pll_register_override = 1;	/*0x1E[0]*/
+
+	/*HSTX select VCM VREF*/
+	phy_ctrl->rg_vrefsel_vcm = 0x55;
+	if (mipi->rg_vrefsel_vcm_clk_adjust != 0)
+		phy_ctrl->rg_vrefsel_vcm = (phy_ctrl->rg_vrefsel_vcm & 0x0F) |
+			((mipi->rg_vrefsel_vcm_clk_adjust & 0x0F) << 4);
+
+	if (mipi->rg_vrefsel_vcm_data_adjust != 0)
+		phy_ctrl->rg_vrefsel_vcm = (phy_ctrl->rg_vrefsel_vcm & 0xF0) |
+			(mipi->rg_vrefsel_vcm_data_adjust & 0x0F);
+
+	/*if reload_sel = 1, need to set load_command*/
+	phy_ctrl->load_command = 0x5A;
+
+	/********************  clock/data lane parameters config  ******************/
+	accuracy = 10;
+	ui = 10 * 1000000000UL * accuracy / lane_clock;
+	/*unit of measurement*/
+	unit_tx_byte_clk_hs = 8 * ui;
+
+	/* D-PHY Specification : 60ns + 52*UI <= clk_post*/
+	clk_post = 600 * accuracy + 52 * ui + mipi->clk_post_adjust * ui;
+
+	/* D-PHY Specification : clk_pre >= 8*UI*/
+	clk_pre = 8 * ui + mipi->clk_pre_adjust * ui;
+
+	/* D-PHY Specification : clk_t_hs_exit >= 100ns*/
+	clk_t_hs_exit = 1000 * accuracy + mipi->clk_t_hs_exit_adjust * ui;
+
+	/* clocked by TXBYTECLKHS*/
+	clk_pre_delay = 0 + mipi->clk_pre_delay_adjust * ui;
+
+	/* D-PHY Specification : clk_t_hs_trial >= 60ns*/
+	/* clocked by TXBYTECLKHS*/
+	clk_t_hs_trial = 600 * accuracy + 3 * unit_tx_byte_clk_hs +
+			 mipi->clk_t_hs_trial_adjust * ui;
+
+	/* D-PHY Specification : 38ns <= clk_t_hs_prepare <= 95ns*/
+	/* clocked by TXBYTECLKHS*/
+	if (mipi->clk_t_hs_prepare_adjust == 0)
+		mipi->clk_t_hs_prepare_adjust = 43;
+
+	clk_t_hs_prepare =
+		((380 * accuracy + mipi->clk_t_hs_prepare_adjust * ui) <=
+		 (950 * accuracy - 8 * ui)) ?
+			(380 * accuracy + mipi->clk_t_hs_prepare_adjust * ui) :
+			(950 * accuracy - 8 * ui);
+
+	/* clocked by TXBYTECLKHS*/
+	data_post_delay = 0 + mipi->data_post_delay_adjust * ui;
+
+	/* D-PHY Specification : data_t_hs_trial >= max( n*8*UI, 60ns + n*4*UI ), n = 1*/
+	/* clocked by TXBYTECLKHS*/
+	data_t_hs_trial = ((600 * accuracy + 4 * ui) >= (8 * ui) ?
+				   (600 * accuracy + 4 * ui) :
+				   (8 * ui)) +
+			  8 * ui + 3 * unit_tx_byte_clk_hs +
+			  mipi->data_t_hs_trial_adjust * ui;
+
+	/* D-PHY Specification : 40ns + 4*UI <= data_t_hs_prepare <= 85ns + 6*UI*/
+	/* clocked by TXBYTECLKHS*/
+	if (mipi->data_t_hs_prepare_adjust == 0)
+		mipi->data_t_hs_prepare_adjust = 35;
+
+	data_t_hs_prepare = ((400 * accuracy + 4 * ui +
+			      mipi->data_t_hs_prepare_adjust * ui) <=
+			     (850 * accuracy + 6 * ui - 8 * ui)) ?
+				    (400 * accuracy + 4 * ui +
+				     mipi->data_t_hs_prepare_adjust * ui) :
+				    (850 * accuracy + 6 * ui - 8 * ui);
+
+	/* D-PHY chip spec : clk_t_lpx + clk_t_hs_prepare > 200ns*/
+	/* D-PHY Specification : clk_t_lpx >= 50ns*/
+	/* clocked by TXBYTECLKHS*/
+	clk_t_lpx = (((2000 * accuracy - clk_t_hs_prepare) >= 500 * accuracy) ?
+			     ((2000 * accuracy - clk_t_hs_prepare)) :
+			     (500 * accuracy)) +
+		    mipi->clk_t_lpx_adjust * ui;
+
+	/* D-PHY Specification : clk_t_hs_zero + clk_t_hs_prepare >= 300 ns*/
+	/* clocked by TXBYTECLKHS*/
+	clk_t_hs_zero = 3000 * accuracy - clk_t_hs_prepare +
+			3 * unit_tx_byte_clk_hs +
+			mipi->clk_t_hs_zero_adjust * ui;
+
+	/* D-PHY chip spec : data_t_lpx + data_t_hs_prepare > 200ns*/
+	/* D-PHY Specification : data_t_lpx >= 50ns*/
+	/* clocked by TXBYTECLKHS*/
+	data_t_lpx =
+		clk_t_lpx + mipi->data_t_lpx_adjust *
+				    ui; /*2000 * accuracy - data_t_hs_prepare;*/
+
+	/* D-PHY Specification : data_t_hs_zero + data_t_hs_prepare >= 145ns + 10*UI*/
+	/* clocked by TXBYTECLKHS*/
+	data_t_hs_zero = 1450 * accuracy + 10 * ui - data_t_hs_prepare +
+			 3 * unit_tx_byte_clk_hs +
+			 mipi->data_t_hs_zero_adjust * ui;
+
+	phy_ctrl->clk_pre_delay = DIV_ROUND_UP(clk_pre_delay, unit_tx_byte_clk_hs);
+	phy_ctrl->clk_t_hs_prepare =
+		DIV_ROUND_UP(clk_t_hs_prepare, unit_tx_byte_clk_hs);
+	phy_ctrl->clk_t_lpx = DIV_ROUND_UP(clk_t_lpx, unit_tx_byte_clk_hs);
+	phy_ctrl->clk_t_hs_zero = DIV_ROUND_UP(clk_t_hs_zero, unit_tx_byte_clk_hs);
+	phy_ctrl->clk_t_hs_trial = DIV_ROUND_UP(clk_t_hs_trial, unit_tx_byte_clk_hs);
+
+	phy_ctrl->data_post_delay =
+		DIV_ROUND_UP(data_post_delay, unit_tx_byte_clk_hs);
+	phy_ctrl->data_t_hs_prepare =
+		DIV_ROUND_UP(data_t_hs_prepare, unit_tx_byte_clk_hs);
+	phy_ctrl->data_t_lpx = DIV_ROUND_UP(data_t_lpx, unit_tx_byte_clk_hs);
+	phy_ctrl->data_t_hs_zero = DIV_ROUND_UP(data_t_hs_zero, unit_tx_byte_clk_hs);
+	phy_ctrl->data_t_hs_trial =
+		DIV_ROUND_UP(data_t_hs_trial, unit_tx_byte_clk_hs);
+	phy_ctrl->data_t_ta_go = 4;
+	phy_ctrl->data_t_ta_get = 5;
+
+	clk_pre_delay_reality = phy_ctrl->clk_pre_delay + 2;
+	clk_t_hs_zero_reality = phy_ctrl->clk_t_hs_zero + 8;
+	data_t_hs_zero_reality = phy_ctrl->data_t_hs_zero + 4;
+	data_post_delay_reality = phy_ctrl->data_post_delay + 4;
+
+	phy_ctrl->clk_post_delay = phy_ctrl->data_t_hs_trial +
+				   DIV_ROUND_UP(clk_post, unit_tx_byte_clk_hs);
+	phy_ctrl->data_pre_delay = clk_pre_delay_reality + phy_ctrl->clk_t_lpx +
+				   phy_ctrl->clk_t_hs_prepare +
+				   clk_t_hs_zero_reality +
+				   DIV_ROUND_UP(clk_pre, unit_tx_byte_clk_hs);
+
+	clk_post_delay_reality = phy_ctrl->clk_post_delay + 4;
+	data_pre_delay_reality = phy_ctrl->data_pre_delay + 2;
+
+	phy_ctrl->clk_lane_lp2hs_time =
+		clk_pre_delay_reality + phy_ctrl->clk_t_lpx +
+		phy_ctrl->clk_t_hs_prepare + clk_t_hs_zero_reality + 3;
+	phy_ctrl->clk_lane_hs2lp_time =
+		clk_post_delay_reality + phy_ctrl->clk_t_hs_trial + 3;
+	phy_ctrl->data_lane_lp2hs_time =
+		data_pre_delay_reality + phy_ctrl->data_t_lpx +
+		phy_ctrl->data_t_hs_prepare + data_t_hs_zero_reality + 3;
+	phy_ctrl->data_lane_hs2lp_time =
+		data_post_delay_reality + phy_ctrl->data_t_hs_trial + 3;
+	phy_ctrl->phy_stop_wait_time =
+		clk_post_delay_reality + phy_ctrl->clk_t_hs_trial +
+		DIV_ROUND_UP(clk_t_hs_exit, unit_tx_byte_clk_hs) -
+		(data_post_delay_reality + phy_ctrl->data_t_hs_trial) + 3;
+
+	phy_ctrl->lane_byte_clk = lane_clock / 8;
+	phy_ctrl->clk_division =
+		(((phy_ctrl->lane_byte_clk / 2) % mipi->max_tx_esc_clk) > 0) ?
+			(phy_ctrl->lane_byte_clk / 2 / mipi->max_tx_esc_clk +
+			 1) :
+			(phy_ctrl->lane_byte_clk / 2 / mipi->max_tx_esc_clk);
+
+	DRM_DEBUG("PHY clock_lane and data_lane config :\n"
+		 "rg_vrefsel_vcm=%u\n"
+		 "clk_pre_delay=%u\n"
+		 "clk_post_delay=%u\n"
+		 "clk_t_hs_prepare=%u\n"
+		 "clk_t_lpx=%u\n"
+		 "clk_t_hs_zero=%u\n"
+		 "clk_t_hs_trial=%u\n"
+		 "data_pre_delay=%u\n"
+		 "data_post_delay=%u\n"
+		 "data_t_hs_prepare=%u\n"
+		 "data_t_lpx=%u\n"
+		 "data_t_hs_zero=%u\n"
+		 "data_t_hs_trial=%u\n"
+		 "data_t_ta_go=%u\n"
+		 "data_t_ta_get=%u\n",
+		 phy_ctrl->rg_vrefsel_vcm, phy_ctrl->clk_pre_delay,
+		 phy_ctrl->clk_post_delay, phy_ctrl->clk_t_hs_prepare,
+		 phy_ctrl->clk_t_lpx, phy_ctrl->clk_t_hs_zero,
+		 phy_ctrl->clk_t_hs_trial, phy_ctrl->data_pre_delay,
+		 phy_ctrl->data_post_delay, phy_ctrl->data_t_hs_prepare,
+		 phy_ctrl->data_t_lpx, phy_ctrl->data_t_hs_zero,
+		 phy_ctrl->data_t_hs_trial, phy_ctrl->data_t_ta_go,
+		 phy_ctrl->data_t_ta_get);
+	DRM_DEBUG("clk_lane_lp2hs_time=%u\n"
+		 "clk_lane_hs2lp_time=%u\n"
+		 "data_lane_lp2hs_time=%u\n"
+		 "data_lane_hs2lp_time=%u\n"
+		 "phy_stop_wait_time=%u\n",
+		 phy_ctrl->clk_lane_lp2hs_time, phy_ctrl->clk_lane_hs2lp_time,
+		 phy_ctrl->data_lane_lp2hs_time, phy_ctrl->data_lane_hs2lp_time,
+		 phy_ctrl->phy_stop_wait_time);
+}
+
+static void dsi_set_burst_mode(void __iomem *base, unsigned long flags)
+{
+	u32 val;
+	u32 mode_mask = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+			MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+	u32 non_burst_sync_pulse =
+		MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+	u32 non_burst_sync_event = MIPI_DSI_MODE_VIDEO;
+
+	/*
+	 * choose video mode type
+	 */
+	if ((flags & mode_mask) == non_burst_sync_pulse)
+		val = DSI_NON_BURST_SYNC_PULSES;
+	else if ((flags & mode_mask) == non_burst_sync_event)
+		val = DSI_NON_BURST_SYNC_EVENTS;
+	else
+		val = DSI_BURST_SYNC_PULSES_1;
+
+	set_reg(base + MIPIDSI_VID_MODE_CFG_OFFSET, val, 2, 0);
+}
+
+/*
+ * dsi phy reg write function
+ */
+static void dsi_phy_tst_set(void __iomem *base, u32 reg, u32 val)
+{
+	u32 reg_write = 0x10000 + reg;
+
+	/*
+	 * latch reg first
+	 */
+	writel(reg_write, base + MIPIDSI_PHY_TST_CTRL1_OFFSET);
+	writel(0x02, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+	writel(0x00, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+
+	/*
+	 * then latch value
+	 */
+	writel(val, base + MIPIDSI_PHY_TST_CTRL1_OFFSET);
+	writel(0x02, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+	writel(0x00, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+}
+
+static void dsi_mipi_init(struct dw_dsi *dsi, char __iomem *mipi_dsi_base)
+{
+	u32 hline_time = 0;
+	u32 hsa_time = 0;
+	u32 hbp_time = 0;
+	u64 pixel_clk = 0;
+	u32 i = 0;
+	u32 id = 0;
+	unsigned long dw_jiffies = 0;
+	u32 tmp = 0;
+	bool is_ready = false;
+	struct mipi_panel_info *mipi = NULL;
+	struct dss_rect rect;
+	u32 cmp_stopstate_val = 0;
+	u32 lanes;
+
+	WARN_ON(!dsi);
+	WARN_ON(!mipi_dsi_base);
+
+	id = dsi->cur_client;
+	mipi = &dsi->mipi;
+
+	if (mipi->max_tx_esc_clk == 0) {
+		DRM_ERROR("max_tx_esc_clk is invalid!");
+		mipi->max_tx_esc_clk = DEFAULT_MAX_TX_ESC_CLK;
+	}
+
+	memset(&dsi->phy, 0, sizeof(struct mipi_phy_params));
+	get_dsi_phy_ctrl(dsi, &dsi->phy);
+
+	rect.x = 0;
+	rect.y = 0;
+	rect.w = dsi->cur_mode.hdisplay;
+	rect.h = dsi->cur_mode.vdisplay;
+	lanes = dsi->client[id].lanes - 1;
+	/***************Configure the DPHY start**************/
+
+	set_reg(mipi_dsi_base + MIPIDSI_PHY_IF_CFG_OFFSET, lanes, 2, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_CLKMGR_CFG_OFFSET,
+		dsi->phy.clk_division, 8, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_CLKMGR_CFG_OFFSET,
+		dsi->phy.clk_division, 8, 8);
+
+	writel(0x00000000, mipi_dsi_base + MIPIDSI_PHY_RSTZ_OFFSET);
+
+	writel(0x00000000, mipi_dsi_base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+	writel(0x00000001, mipi_dsi_base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+	writel(0x00000000, mipi_dsi_base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+
+	/* physical configuration PLL I*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x14, (dsi->phy.pll_fbd_s << 4) +
+					     (dsi->phy.rg_pll_enswc << 3) +
+					     (dsi->phy.pll_enbwt << 2) +
+					     dsi->phy.rg_pll_chp);
+
+	/* physical configuration PLL II, M*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x15, dsi->phy.pll_fbd_p);
+
+	/* physical configuration PLL III*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x16, (dsi->phy.rg_pll_cp << 5) +
+					     (dsi->phy.pll_lpf_cs << 4) +
+					     dsi->phy.rg_pll_refsel);
+
+	/* physical configuration PLL IV, N*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x17, dsi->phy.pll_pre_p);
+
+	/* sets the analog characteristic of V reference in D-PHY TX*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x1D, dsi->phy.rg_vrefsel_vcm);
+
+	/* MISC AFE Configuration*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x1E, (dsi->phy.rg_pll_cp_p << 5) +
+					     (dsi->phy.reload_sel << 4) +
+					     (dsi->phy.rg_phase_gen_en << 3) +
+					     (dsi->phy.rg_band_sel << 2) +
+					     (dsi->phy.pll_power_down << 1) +
+					     dsi->phy.pll_register_override);
+
+	/*reload_command*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x1F, dsi->phy.load_command);
+
+	/* pre_delay of clock lane request setting*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x20,
+			DSS_REDUCE(dsi->phy.clk_pre_delay));
+
+	/* post_delay of clock lane request setting*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x21,
+			DSS_REDUCE(dsi->phy.clk_post_delay));
+
+	/* clock lane timing ctrl - t_lpx*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x22, DSS_REDUCE(dsi->phy.clk_t_lpx));
+
+	/* clock lane timing ctrl - t_hs_prepare*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x23,
+			DSS_REDUCE(dsi->phy.clk_t_hs_prepare));
+
+	/* clock lane timing ctrl - t_hs_zero*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x24,
+			DSS_REDUCE(dsi->phy.clk_t_hs_zero));
+
+	/* clock lane timing ctrl - t_hs_trial*/
+	dsi_phy_tst_set(mipi_dsi_base, 0x25, dsi->phy.clk_t_hs_trial);
+
+	for (i = 0; i <= lanes; i++) {
+		/* data lane pre_delay*/
+		tmp = 0x30 + (i << 4);
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_pre_delay));
+
+		/*data lane post_delay*/
+		tmp = 0x31 + (i << 4);
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_post_delay));
+
+		/* data lane timing ctrl - t_lpx*/
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_t_lpx));
+
+		/* data lane timing ctrl - t_hs_prepare*/
+		tmp = 0x33 + (i << 4);
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_t_hs_prepare));
+
+		/* data lane timing ctrl - t_hs_zero*/
+		tmp = 0x34 + (i << 4);
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_t_hs_zero));
+
+		/* data lane timing ctrl - t_hs_trial*/
+		tmp = 0x35 + (i << 4);
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_t_hs_trial));
+
+		/* data lane timing ctrl - t_ta_go*/
+		tmp = 0x36 + (i << 4);
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_t_ta_go));
+
+		/* data lane timing ctrl - t_ta_get*/
+		tmp = 0x37 + (i << 4);
+		dsi_phy_tst_set(mipi_dsi_base, tmp,
+				DSS_REDUCE(dsi->phy.data_t_ta_get));
+	}
+
+	writel(0x00000007, mipi_dsi_base + MIPIDSI_PHY_RSTZ_OFFSET);
+
+	is_ready = false;
+	dw_jiffies = jiffies + HZ / 2;
+	do {
+		tmp = readl(mipi_dsi_base + MIPIDSI_PHY_STATUS_OFFSET);
+		if ((tmp & 0x00000001) == 0x00000001) {
+			is_ready = true;
+			break;
+		}
+	} while (time_after(dw_jiffies, jiffies));
+
+	if (!is_ready)
+		DRM_ERROR("phylock is not ready!MIPIDSI_PHY_STATUS_OFFSET=0x%x.\n",
+			 tmp);
+
+	if (lanes >= DSI_4_LANES)
+		cmp_stopstate_val = (BIT(4) | BIT(7) | BIT(9) | BIT(11));
+	else if (lanes >= DSI_3_LANES)
+		cmp_stopstate_val = (BIT(4) | BIT(7) | BIT(9));
+	else if (lanes >= DSI_2_LANES)
+		cmp_stopstate_val = (BIT(4) | BIT(7));
+	else
+		cmp_stopstate_val = (BIT(4));
+
+	is_ready = false;
+	dw_jiffies = jiffies + HZ / 2;
+	do {
+		tmp = readl(mipi_dsi_base + MIPIDSI_PHY_STATUS_OFFSET);
+		if ((tmp & cmp_stopstate_val) == cmp_stopstate_val) {
+			is_ready = true;
+			break;
+		}
+	} while (time_after(dw_jiffies, jiffies));
+
+	if (!is_ready)
+		DRM_ERROR("phystopstateclklane is not ready! MIPIDSI_PHY_STATUS_OFFSET=0x%x.\n",
+			 tmp);
+
+	/*************************Configure the DPHY end*************************/
+
+	/* phy_stop_wait_time*/
+	set_reg(mipi_dsi_base + MIPIDSI_PHY_IF_CFG_OFFSET,
+		dsi->phy.phy_stop_wait_time, 8, 8);
+
+	/*--------------configuring the DPI packet transmission----------------*/
+	/*
+	 * 2. Configure the DPI Interface:
+	 * This defines how the DPI interface interacts with the controller.
+	 */
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_VCID_OFFSET, mipi->vc, 2, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_COLOR_CODING_OFFSET,
+		mipi->color_mode, 4, 0);
+
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET,
+		dsi->ldi.data_en_plr, 1, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, dsi->ldi.vsync_plr,
+		1, 1);
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, dsi->ldi.hsync_plr,
+		1, 2);
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, 0x0, 1, 3);
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, 0x0, 1, 4);
+
+	/*
+	 * 3. Select the Video Transmission Mode:
+	 * This defines how the processor requires the video line to be
+	 * transported through the DSI link.
+	 */
+	/* video mode: low power mode*/
+	set_reg(mipi_dsi_base + MIPIDSI_VID_MODE_CFG_OFFSET, 0x3f, 6, 8);
+	/* set_reg(mipi_dsi_base + MIPIDSI_VID_MODE_CFG_OFFSET, 0x0, 1, 14); */
+
+	/* TODO: fix blank display bug when set backlight*/
+	set_reg(mipi_dsi_base + MIPIDSI_DPI_LP_CMD_TIM_OFFSET, 0x4, 8, 16);
+	/* video mode: send read cmd by lp mode*/
+	set_reg(mipi_dsi_base + MIPIDSI_VID_MODE_CFG_OFFSET, 0x1, 1, 15);
+
+	set_reg(mipi_dsi_base + MIPIDSI_VID_PKT_SIZE_OFFSET, rect.w, 14, 0);
+
+	/* burst mode*/
+	dsi_set_burst_mode(mipi_dsi_base, dsi->client[id].mode_flags);
+	/* for dsi read, BTA enable*/
+	set_reg(mipi_dsi_base + MIPIDSI_PCKHDL_CFG_OFFSET, 0x1, 1, 2);
+
+	/*
+	 * 4. Define the DPI Horizontal timing configuration:
+	 *
+	 * Hsa_time = HSA*(PCLK period/Clk Lane Byte Period);
+	 * Hbp_time = HBP*(PCLK period/Clk Lane Byte Period);
+	 * Hline_time = (HSA+HBP+HACT+HFP)*(PCLK period/Clk Lane Byte Period);
+	 */
+	pixel_clk = dsi->cur_mode.clock * 1000;
+	/*htot = dsi->cur_mode.htotal;*/
+	/*vtot = dsi->cur_mode.vtotal;*/
+	dsi->ldi.h_front_porch =
+		dsi->cur_mode.hsync_start - dsi->cur_mode.hdisplay;
+	dsi->ldi.h_back_porch = dsi->cur_mode.htotal - dsi->cur_mode.hsync_end;
+	dsi->ldi.h_pulse_width =
+		dsi->cur_mode.hsync_end - dsi->cur_mode.hsync_start;
+	dsi->ldi.v_front_porch =
+		dsi->cur_mode.vsync_start - dsi->cur_mode.vdisplay;
+	dsi->ldi.v_back_porch = dsi->cur_mode.vtotal - dsi->cur_mode.vsync_end;
+	dsi->ldi.v_pulse_width =
+		dsi->cur_mode.vsync_end - dsi->cur_mode.vsync_start;
+	if (dsi->ldi.v_pulse_width > 15) {
+		DRM_DEBUG_DRIVER("vsw exceeded 15\n");
+		dsi->ldi.v_pulse_width = 15;
+	}
+	hsa_time = dsi->ldi.h_pulse_width * dsi->phy.lane_byte_clk / pixel_clk;
+	hbp_time = dsi->ldi.h_back_porch * dsi->phy.lane_byte_clk / pixel_clk;
+	hline_time = DIV_ROUND_UP((dsi->ldi.h_pulse_width + dsi->ldi.h_back_porch +
+			     rect.w + dsi->ldi.h_front_porch) *
+				    dsi->phy.lane_byte_clk,
+			    pixel_clk);
+
+	DRM_DEBUG("hsa_time=%d, hbp_time=%d, hline_time=%d\n", hsa_time,
+		 hbp_time, hline_time);
+	DRM_DEBUG("lane_byte_clk=%llu, pixel_clk=%llu\n", dsi->phy.lane_byte_clk,
+		 pixel_clk);
+	set_reg(mipi_dsi_base + MIPIDSI_VID_HSA_TIME_OFFSET, hsa_time, 12, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_VID_HBP_TIME_OFFSET, hbp_time, 12, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_VID_HLINE_TIME_OFFSET, hline_time, 15,
+		0);
+
+	/* Define the Vertical line configuration*/
+	set_reg(mipi_dsi_base + MIPIDSI_VID_VSA_LINES_OFFSET,
+		dsi->ldi.v_pulse_width, 10, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_VID_VBP_LINES_OFFSET,
+		dsi->ldi.v_back_porch, 10, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_VID_VFP_LINES_OFFSET,
+		dsi->ldi.v_front_porch, 10, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_VID_VACTIVE_LINES_OFFSET, rect.h, 14,
+		0);
+	set_reg(mipi_dsi_base + MIPIDSI_TO_CNT_CFG_OFFSET, 0x7FF, 16, 0);
+
+	/* Configure core's phy parameters*/
+	set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_LPCLK_CFG_OFFSET,
+		dsi->phy.clk_lane_lp2hs_time, 10, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_LPCLK_CFG_OFFSET,
+		dsi->phy.clk_lane_hs2lp_time, 10, 16);
+
+	set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_RD_CFG_OFFSET, 0x7FFF, 15, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_CFG_OFFSET,
+		dsi->phy.data_lane_lp2hs_time, 10, 0);
+	set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_CFG_OFFSET,
+		dsi->phy.data_lane_hs2lp_time, 10, 16);
+
+	/* Waking up Core*/
+	set_reg(mipi_dsi_base + MIPIDSI_PWR_UP_OFFSET, 0x1, 1, 0);
+}
+
+static int mipi_dsi_on_sub1(struct dw_dsi *dsi, char __iomem *mipi_dsi_base)
+{
+	/* mipi init */
+	dsi_mipi_init(dsi, mipi_dsi_base);
+	DRM_DEBUG("dsi_mipi_init ok\n");
+	/* switch to cmd mode */
+	set_reg(mipi_dsi_base + MIPIDSI_MODE_CFG_OFFSET, 0x1, 1, 0);
+	/* cmd mode: low power mode */
+	set_reg(mipi_dsi_base + MIPIDSI_CMD_MODE_CFG_OFFSET, 0x7f, 7, 8);
+	set_reg(mipi_dsi_base + MIPIDSI_CMD_MODE_CFG_OFFSET, 0xf, 4, 16);
+	set_reg(mipi_dsi_base + MIPIDSI_CMD_MODE_CFG_OFFSET, 0x1, 1, 24);
+	/* disable generate High Speed clock */
+	/* delete? */
+	set_reg(mipi_dsi_base + MIPIDSI_LPCLK_CTRL_OFFSET, 0x0, 1, 0);
+
+	return 0;
+}
+
+static int mipi_dsi_on_sub2(struct dw_dsi *dsi, char __iomem *mipi_dsi_base)
+{
+	/* switch to video mode */
+	set_reg(mipi_dsi_base + MIPIDSI_MODE_CFG_OFFSET, 0x0, 1, 0);
+
+	/* enable EOTP TX */
+	set_reg(mipi_dsi_base + MIPIDSI_PCKHDL_CFG_OFFSET, 0x1, 1, 0);
+
+	/* enable generate High Speed clock, continue clock */
+	set_reg(mipi_dsi_base + MIPIDSI_LPCLK_CTRL_OFFSET, 0x1, 2, 0);
+
+	return 0;
+}
+
+static void dsi_encoder_enable_sub(struct drm_encoder *encoder)
+{
+	struct dw_dsi *dsi = encoder_to_dsi(encoder);
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+	int ret;
+
+	if (dsi->enable)
+		return;
+
+	ret = clk_prepare_enable(ctx->dss_dphy0_ref_clk);
+	if (ret) {
+		DRM_ERROR("fail to enable dss_dphy0_ref_clk: %d\n", ret);
+		return;
+	}
+
+	ret = clk_prepare_enable(ctx->dss_dphy0_cfg_clk);
+	if (ret) {
+		DRM_ERROR("fail to enable dss_dphy0_cfg_clk: %d\n", ret);
+		return;
+	}
+
+	ret = clk_prepare_enable(ctx->dss_pclk_dsi0_clk);
+	if (ret) {
+		DRM_ERROR("fail to enable dss_pclk_dsi0_clk: %d\n", ret);
+		return;
+	}
+
+	mipi_dsi_on_sub1(dsi, ctx->base);
+
+	mipi_dsi_on_sub2(dsi, ctx->base);
+}
+
+static int dsi_host_attach(struct mipi_dsi_host *host,
+			   struct mipi_dsi_device *mdsi)
+{
+	struct dw_dsi *dsi = host_to_dsi(host);
+	u32 id = mdsi->channel >= 1 ? OUT_PANEL : OUT_HDMI;
+
+	if (mdsi->lanes < 1 || mdsi->lanes > 4) {
+		DRM_ERROR("dsi device params invalid\n");
+		return -EINVAL;
+	}
+
+	dsi->client[id].lanes = mdsi->lanes;
+	dsi->client[id].format = mdsi->format;
+	dsi->client[id].mode_flags = mdsi->mode_flags;
+	dsi->client[id].phy_clock = 0; //mdsi->phy_clock;
+
+	DRM_DEBUG("host attach, client name=[%s], id=%d\n", mdsi->name, id);
+
+	return 0;
+}
+
+static int dsi_host_detach(struct mipi_dsi_host *host,
+			   struct mipi_dsi_device *mdsi)
+{
+	/* do nothing */
+	return 0;
+}
+
+static int dsi_gen_pkt_hdr_write(void __iomem *base, u32 val)
+{
+	u32 status;
+	int ret;
+
+	ret = readx_poll_timeout(readl, base + CMD_PKT_STATUS, status,
+				 !(status & GEN_CMD_FULL), 1000,
+				 CMD_PKT_STATUS_TIMEOUT_US);
+	if (ret < 0) {
+		DRM_ERROR("failed to get available command FIFO\n");
+		return ret;
+	}
+
+	writel(val, base + GEN_HDR);
+
+	ret = readx_poll_timeout(readl, base + CMD_PKT_STATUS, status,
+				 status & (GEN_CMD_EMPTY | GEN_PLD_W_EMPTY),
+				 1000, CMD_PKT_STATUS_TIMEOUT_US);
+	if (ret < 0) {
+		DRM_ERROR("failed to write command FIFO\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int dsi_dcs_short_write(void __iomem *base,
+			       const struct mipi_dsi_msg *msg)
+{
+	const u16 *tx_buf = msg->tx_buf;
+	u32 val = GEN_HDATA(*tx_buf) | GEN_HTYPE(msg->type);
+
+	if (msg->tx_len > 2) {
+		DRM_ERROR("too long tx buf length %zu for short write\n",
+			  msg->tx_len);
+		return -EINVAL;
+	}
+
+	return dsi_gen_pkt_hdr_write(base, val);
+}
+
+static int dsi_dcs_long_write(void __iomem *base,
+			      const struct mipi_dsi_msg *msg)
+{
+	const u32 *tx_buf = msg->tx_buf;
+	int len = msg->tx_len, pld_data_bytes = sizeof(*tx_buf), ret;
+	u32 val = GEN_HDATA(msg->tx_len) | GEN_HTYPE(msg->type);
+	u32 remainder = 0;
+	u32 status;
+
+	if (msg->tx_len < 3) {
+		DRM_ERROR("wrong tx buf length %zu for long write\n",
+			  msg->tx_len);
+		return -EINVAL;
+	}
+
+	while (DIV_ROUND_UP(len, pld_data_bytes)) {
+		if (len < pld_data_bytes) {
+			memcpy(&remainder, tx_buf, len);
+			writel(remainder, base + GEN_PLD_DATA);
+			len = 0;
+		} else {
+			writel(*tx_buf, base + GEN_PLD_DATA);
+			tx_buf++;
+			len -= pld_data_bytes;
+		}
+
+		ret = readx_poll_timeout(readl, base + CMD_PKT_STATUS, status,
+					 !(status & GEN_PLD_W_FULL), 1000,
+					 CMD_PKT_STATUS_TIMEOUT_US);
+		if (ret < 0) {
+			DRM_ERROR("failed to get available write payload FIFO\n");
+			return ret;
+		}
+	}
+
+	return dsi_gen_pkt_hdr_write(base, val);
+}
+
+static ssize_t dsi_host_transfer(struct mipi_dsi_host *host,
+				 const struct mipi_dsi_msg *msg)
+{
+	struct dw_dsi *dsi = host_to_dsi(host);
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+	void __iomem *base = ctx->base;
+	int ret;
+
+	switch (msg->type) {
+	case MIPI_DSI_DCS_SHORT_WRITE:
+	case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
+	case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE:
+		ret = dsi_dcs_short_write(base, msg);
+		break;
+	case MIPI_DSI_DCS_LONG_WRITE:
+		ret = dsi_dcs_long_write(base, msg);
+		break;
+	default:
+		DRM_ERROR("unsupported message type\n");
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static const struct mipi_dsi_host_ops dsi_host_ops = {
+	.attach = dsi_host_attach,
+	.detach = dsi_host_detach,
+	.transfer = dsi_host_transfer,
+};
+
+static int dsi_host_init(struct device *dev, struct dw_dsi *dsi)
+{
+	struct mipi_dsi_host *host = &dsi->host;
+	struct mipi_panel_info *mipi = &dsi->mipi;
+	int ret;
+
+	host->dev = dev;
+	host->ops = &dsi_host_ops;
+
+	mipi->max_tx_esc_clk = 10 * 1000000UL;
+	mipi->vc = 0;
+	mipi->color_mode = DSI_24BITS_1;
+	mipi->clk_post_adjust = 120;
+	mipi->clk_pre_adjust = 0;
+	mipi->clk_t_hs_prepare_adjust = 0;
+	mipi->clk_t_lpx_adjust = 0;
+	mipi->clk_t_hs_trial_adjust = 0;
+	mipi->clk_t_hs_exit_adjust = 0;
+	mipi->clk_t_hs_zero_adjust = 0;
+
+	dsi->ldi.data_en_plr = 0;
+	dsi->ldi.vsync_plr = 0;
+	dsi->ldi.hsync_plr = 0;
+
+	ret = mipi_dsi_host_register(host);
+	if (ret) {
+		DRM_ERROR("failed to register dsi host\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int dsi_parse_bridge_endpoint(struct dw_dsi *dsi,
+				     struct device_node *endpoint)
+{
+	struct device_node *bridge_node;
+	struct drm_bridge *bridge;
+
+	bridge_node = of_graph_get_remote_port_parent(endpoint);
+	if (!bridge_node) {
+		DRM_ERROR("no valid bridge node\n");
+		return -ENODEV;
+	}
+	of_node_put(bridge_node);
+
+	bridge = of_drm_find_bridge(bridge_node);
+	if (!bridge) {
+		DRM_DEBUG("wait for external HDMI bridge driver.\n");
+		return -EPROBE_DEFER;
+	}
+	dsi->bridge = bridge;
+
+	return 0;
+}
+
+static int dsi_parse_panel_endpoint(struct dw_dsi *dsi,
+				    struct device_node *endpoint)
+{
+	struct device_node *panel_node;
+	struct drm_panel *panel;
+
+	panel_node = of_graph_get_remote_port_parent(endpoint);
+	if (!panel_node) {
+		DRM_ERROR("no valid panel node\n");
+		return -ENODEV;
+	}
+	of_node_put(panel_node);
+
+	panel = of_drm_find_panel(panel_node);
+	if (IS_ERR(panel)) {
+		DRM_DEBUG_DRIVER("skip this panel endpoint.\n");
+		return 0;
+	}
+	dsi->panel = panel;
+
+	return 0;
+}
+
+static int dsi_parse_endpoint(struct dw_dsi *dsi, struct device_node *np,
+			      enum dsi_output_client client)
+{
+	struct device_node *ep_node;
+	struct of_endpoint ep;
+	int ret = 0;
+
+	if (client == OUT_MAX)
+		return -EINVAL;
+
+	for_each_endpoint_of_node(np, ep_node) {
+		ret = of_graph_parse_endpoint(ep_node, &ep);
+		if (ret) {
+			of_node_put(ep_node);
+			return ret;
+		}
+
+		/* skip dsi input port, port == 0 is input port */
+		if (ep.port == 0)
+			continue;
+
+		/* parse bridge endpoint */
+		if (client == OUT_HDMI) {
+			if (ep.id == 0) {
+				ret = dsi_parse_bridge_endpoint(dsi, ep_node);
+				if (dsi->bridge)
+					break;
+			}
+		} else { /* parse panel endpoint */
+			if (ep.id > 0) {
+				ret = dsi_parse_panel_endpoint(dsi, ep_node);
+				if (dsi->panel)
+					break;
+			}
+		}
+
+		if (ret) {
+			of_node_put(ep_node);
+			return ret;
+		}
+	}
+
+	if (!dsi->bridge && !dsi->panel) {
+		DRM_ERROR("at least one bridge or panel node is required\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi)
+{
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+	int ret = 0;
+	struct device_node *np = pdev->dev.of_node;
+
+	/* parse HDMI bridge endpoint */
+	ret = dsi_parse_endpoint(dsi, np, OUT_HDMI);
+	if (ret)
+		return ret;
+
+	/* parse panel endpoint */
+	ret = dsi_parse_endpoint(dsi, np, OUT_PANEL);
+	if (ret)
+		return ret;
+
+	np = of_find_compatible_node(NULL, NULL, DTS_COMP_DSI_NAME);
+	if (!np) {
+		DRM_ERROR("NOT FOUND device node %s!\n", DTS_COMP_DSI_NAME);
+		return -ENXIO;
+	}
+
+	ctx->base = of_iomap(np, 0);
+	if (!(ctx->base)) {
+		DRM_ERROR("failed to get base resource.\n");
+		return -ENXIO;
+	}
+
+	ctx->peri_crg_base = of_iomap(np, 1);
+	if (!(ctx->peri_crg_base)) {
+		DRM_ERROR("failed to get peri_crg_base resource.\n");
+		return -ENXIO;
+	}
+
+	dsi->gpio_mux = devm_gpiod_get(&pdev->dev, "mux", GPIOD_OUT_HIGH);
+	if (IS_ERR(dsi->gpio_mux))
+		return PTR_ERR(dsi->gpio_mux);
+	/* set dsi default output to panel */
+	dsi->cur_client = OUT_PANEL;
+
+	/*dis-reset*/
+	/*ip_reset_dis_dsi0, ip_reset_dis_dsi1*/
+	writel(0x30000000, ctx->peri_crg_base + PERRSTDIS3);
+
+	ctx->dss_dphy0_ref_clk = devm_clk_get(&pdev->dev, "clk_txdphy0_ref");
+	if (IS_ERR(ctx->dss_dphy0_ref_clk)) {
+		DRM_ERROR("failed to get dss_dphy0_ref_clk clock\n");
+		return PTR_ERR(ctx->dss_dphy0_ref_clk);
+	}
+
+	ret = clk_set_rate(ctx->dss_dphy0_ref_clk, DEFAULT_MIPI_CLK_RATE);
+	if (ret < 0) {
+		DRM_ERROR("dss_dphy0_ref_clk clk_set_rate(%lu) failed, error=%d!\n",
+			  DEFAULT_MIPI_CLK_RATE, ret);
+		return -EINVAL;
+	}
+
+	DRM_DEBUG("dss_dphy0_ref_clk:[%lu]->[%lu].\n", DEFAULT_MIPI_CLK_RATE,
+		  clk_get_rate(ctx->dss_dphy0_ref_clk));
+
+	ctx->dss_dphy0_cfg_clk = devm_clk_get(&pdev->dev, "clk_txdphy0_cfg");
+	if (IS_ERR(ctx->dss_dphy0_cfg_clk)) {
+		DRM_ERROR("failed to get dss_dphy0_cfg_clk clock\n");
+		return PTR_ERR(ctx->dss_dphy0_cfg_clk);
+	}
+
+	ret = clk_set_rate(ctx->dss_dphy0_cfg_clk, DEFAULT_MIPI_CLK_RATE);
+	if (ret < 0) {
+		DRM_ERROR(
+			"dss_dphy0_cfg_clk clk_set_rate(%lu) failed, error=%d!\n",
+			DEFAULT_MIPI_CLK_RATE, ret);
+		return -EINVAL;
+	}
+
+	DRM_DEBUG("dss_dphy0_cfg_clk:[%lu]->[%lu].\n", DEFAULT_MIPI_CLK_RATE,
+		  clk_get_rate(ctx->dss_dphy0_cfg_clk));
+
+	ctx->dss_pclk_dsi0_clk = devm_clk_get(&pdev->dev, "pclk_dsi0");
+	if (IS_ERR(ctx->dss_pclk_dsi0_clk)) {
+		DRM_ERROR("failed to get dss_pclk_dsi0_clk clock\n");
+		return PTR_ERR(ctx->dss_pclk_dsi0_clk);
+	}
+
+	return 0;
+}
+
+const struct kirin_dsi_ops kirin_dsi_960 = {
+	.version = KIRIN960_DSI,
+	.parse_dt = dsi_parse_dt,
+	.host_init = dsi_host_init,
+	.encoder_enable = dsi_encoder_enable_sub,
+	.encoder_valid = dsi_encoder_mode_valid
+};
+
+MODULE_DESCRIPTION("DesignWare MIPI DSI Host Controller v1.02 driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
index e2ac098..6d7f2e8 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2016 Linaro Limited.
- * Copyright (c) 2014-2016 Hisilicon Limited.
+ * Copyright (c) 2016,2019 Linaro Limited.
+ * Copyright (c) 2014-2016,2019 Hisilicon Limited.
  */
 
 #ifndef __KIRIN_ADE_REG_H__
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_dpe_reg.h b/drivers/gpu/drm/hisilicon/kirin/kirin_dpe_reg.h
new file mode 100644
index 0000000..f0ea3ee
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_dpe_reg.h
@@ -0,0 +1,393 @@
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef __KIRIN_DPE_REG_H__
+#define __KIRIN_DPE_REG_H__
+
+#define BIT_MMU_IRPT_NS                  BIT(28)
+#define BIT_ITF0_INTS                    BIT(16)
+#define BIT_DPP_INTS                     BIT(15)
+#define BIT_VACTIVE0_END                 BIT(8)
+#define BIT_VACTIVE0_START               BIT(7)
+#define BIT_VSYNC                        BIT(4)
+#define BIT_LDI_UNFLOW                   BIT(2)
+
+#define DFS_TIME                         (80)
+#define DFS_TIME_MIN                     (50)
+#define DFS_TIME_MIN_4K                  (10)
+#define DBUF0_DEPTH                      (1408)
+#define DBUF_WIDTH_BIT                   (144)
+#define PERRSTDIS3                       (0x088)
+
+#define DPE_GLB0_OFFSET                  (0x12000)
+#define DPE_DBG_OFFSET                   (0x11000)
+#define DPE_CMDLIST_OFFSET               (0x02000)
+#define DPE_SMMU_OFFSET                  (0x08000)
+#define DPE_MIF_OFFSET                   (0x0A000)
+#define DPE_MCTRL_SYS_OFFSET             (0x10000)
+#define DPE_MCTRL_CTL0_OFFSET            (0x10800)
+#define DPE_RCH_VG0_DMA_OFFSET           (0x20000)
+#define DPE_RCH_VG0_SCL_OFFSET           (0x20200)
+#define DPE_RCH_VG0_ARSR_OFFSET          (0x20300)
+#define DPE_RCH_VG1_DMA_OFFSET           (0x28000)
+#define DPE_RCH_VG1_SCL_OFFSET           (0x28200)
+#define DPE_RCH_VG2_DMA_OFFSET           (0x30000)
+#define DPE_RCH_VG2_SCL_OFFSET           (0x30200)
+#define DPE_RCH_G0_DMA_OFFSET            (0x38000)
+#define DPE_RCH_G0_SCL_OFFSET            (0x38200)
+#define DPE_RCH_G1_DMA_OFFSET            (0x40000)
+#define DPE_RCH_G1_SCL_OFFSET            (0x40200)
+#define DPE_RCH_D2_DMA_OFFSET            (0x50000)
+#define DPE_RCH_D3_DMA_OFFSET            (0x51000)
+#define DPE_RCH_D0_DMA_OFFSET            (0x52000)
+#define DPE_RCH_D0_DFC_OFFSET            (0x52100)
+#define DPE_RCH_D1_DMA_OFFSET            (0x53000)
+#define DPE_WCH0_DMA_OFFSET              (0x5A000)
+#define DPE_WCH1_DMA_OFFSET              (0x5C000)
+#define DPE_WCH2_DMA_OFFSET              (0x5E000)
+#define DPE_WCH2_DFC_OFFSET              (0x5E100)
+#define DPE_OVL0_OFFSET                  (0x60000)
+#define DPE_DBUF0_OFFSET                 (0x6D000)
+#define DPE_DPP_OFFSET                   (0x70000)
+#define DPE_DPP_DITHER_OFFSET            (0x70200)
+#define DPE_LDI0_OFFSET                  (0x7D000)
+#define DPE_IFBC_OFFSET                  (0x7D800)
+#define DPE_DSC_OFFSET                   (0x7DC00)
+
+#define GLB_CPU_PDP_INTS                 (DPE_GLB0_OFFSET + 0x224)
+#define GLB_CPU_PDP_INT_MSK              (DPE_GLB0_OFFSET + 0x228)
+#define GLB_CPU_SDP_INTS                 (DPE_GLB0_OFFSET + 0x22C)
+#define GLB_CPU_SDP_INT_MSK              (DPE_GLB0_OFFSET + 0x230)
+
+#define DBG_MCTL_INTS                    (0x023C)
+#define DBG_MCTL_INT_MSK                 (0x0240)
+#define DBG_WCH0_INTS                    (0x0244)
+#define DBG_WCH0_INT_MSK                 (0x0248)
+#define DBG_WCH1_INTS                    (0x024C)
+#define DBG_WCH1_INT_MSK                 (0x0250)
+#define DBG_RCH0_INTS                    (0x0254)
+#define DBG_RCH0_INT_MSK                 (0x0258)
+#define DBG_RCH1_INTS                    (0x025C)
+#define DBG_RCH1_INT_MSK                 (0x0260)
+#define DBG_RCH2_INTS                    (0x0264)
+#define DBG_RCH2_INT_MSK                 (0x0268)
+#define DBG_RCH3_INTS                    (0x026C)
+#define DBG_RCH3_INT_MSK                 (0x0270)
+#define DBG_RCH4_INTS                    (0x0274)
+#define DBG_RCH4_INT_MSK                 (0x0278)
+#define DBG_RCH5_INTS                    (0x027C)
+#define DBG_RCH5_INT_MSK                 (0x0280)
+#define DBG_RCH6_INTS                    (0x0284)
+#define DBG_RCH6_INT_MSK                 (0x0288)
+#define DBG_RCH7_INTS                    (0x028C)
+#define DBG_RCH7_INT_MSK                 (0x0290)
+#define DBG_DPE_GLB_INTS                 (0x0294)
+#define DBG_DPE_GLB_INT_MSK              (0x0298)
+
+#define AIF0_CH0_OFFSET                  (0x7000)
+#define AIF0_CH0_ADD_OFFSET              (0x7004)
+
+#define MIF_ENABLE                       (0x0000)
+#define MIF_MEM_CTRL                     (0x0004)
+#define MIF_CTRL0                        (0x0000)
+#define MIF_CTRL1                        (0x0004)
+#define MIF_CTRL2                        (0x0008)
+#define MIF_CTRL3                        (0x000C)
+#define MIF_CTRL4                        (0x0010)
+#define MIF_CTRL5                        (0x0014)
+#define MIF_CTRL_OFFSET                  (0x0020)
+#define MIF_CH0_OFFSET                   (DPE_MIF_OFFSET + MIF_CTRL_OFFSET * 1)
+
+#define SMMU_SCR                         (0x0000)
+#define SMMU_MEMCTRL                     (0x0004)
+#define SMMU_LP_CTRL                     (0x0008)
+#define SMMU_INTMASK_NS                  (0x0010)
+#define SMMU_INTRAW_NS                   (0x0014)
+#define SMMU_INTSTAT_NS                  (0x0018)
+#define SMMU_INTCLR_NS                   (0x001C)
+#define SMMU_SMRx_NS                     (0x0020)
+
+#define DMA_OFT_X0                       (0x0000)
+#define DMA_OFT_Y0                       (0x0004)
+#define DMA_OFT_X1                       (0x0008)
+#define DMA_OFT_Y1                       (0x000C)
+#define DMA_MASK0                        (0x0010)
+#define DMA_MASK1                        (0x0014)
+#define DMA_STRETCH_SIZE_VRT             (0x0018)
+#define DMA_CTRL                         (0x001C)
+#define DMA_TILE_SCRAM                   (0x0020)
+#define DMA_PULSE                        (0x0028)
+#define DMA_CORE_GT                      (0x002C)
+#define DMA_DATA_ADDR0                   (0x0060)
+#define DMA_STRIDE0                      (0x0064)
+#define DMA_STRETCH_STRIDE0              (0x0068)
+#define DMA_DATA_NUM0                    (0x006C)
+#define DMA_CH_CTL                       (0x00D4)
+#define DMA_CH_REG_DEFAULT               (0x0A00)
+#define DMA_ALIGN_BYTES                  (128 / BITS_PER_BYTE)
+#define DMA_ADDR_ALIGN                   (128 / BITS_PER_BYTE)
+#define DMA_STRIDE_ALIGN                 (128 / BITS_PER_BYTE)
+
+#define DFC_DISP_SIZE                    (0x0000)
+#define DFC_PIX_IN_NUM                   (0x0004)
+#define DFC_GLB_ALPHA                    (0x0008)
+#define DFC_DISP_FMT                     (0x000C)
+#define DFC_CLIP_CTL_HRZ                 (0x0010)
+#define DFC_CLIP_CTL_VRZ                 (0x0014)
+#define DFC_CTL_CLIP_EN                  (0x0018)
+#define DFC_ICG_MODULE                   (0x001C)
+#define DFC_DITHER_ENABLE                (0x0020)
+#define DFC_PADDING_CTL                  (0x0024)
+
+#define MCTL_CTL_EN                      (0x0000)
+#define MCTL_CTL_MUTEX                   (0x0004)
+#define MCTL_CTL_MUTEX_STATUS            (0x0008)
+#define MCTL_CTL_MUTEX_ITF               (0x000C)
+#define MCTL_CTL_MUTEX_DBUF              (0x0010)
+#define MCTL_CTL_MUTEX_SCF               (0x0014)
+#define MCTL_CTL_MUTEX_OV                (0x0018)
+#define MCTL_CTL_MUTEX_WCH0              (0x0020)
+#define MCTL_CTL_MUTEX_RCH0              (0x0030)
+#define MCTL_CTL_TOP                     (0x0050)
+#define MCTL_CTL_DBG                     (0x00E0)
+#define MCTL_RCH0_FLUSH_EN               (0x0100)
+#define MCTL_OV0_FLUSH_EN                (0x0128)
+#define MCTL_RCH0_OV_OEN                 (0x0160)
+#define MCTL_RCH_OV0_SEL                 (0x0180)
+
+#define OVL_SIZE                         (0x0000)
+#define OVL_BG_COLOR                     (0x0004)
+#define OVL_DST_STARTPOS                 (0x0008)
+#define OVL_DST_ENDPOS                   (0x000C)
+#define OVL_GCFG                         (0x0010)
+#define OVL_LAYER0_POS                   (0x0014)
+#define OVL_LAYER0_SIZE                  (0x0018)
+#define OVL_LAYER0_ALPHA                 (0x0030)
+#define OVL_LAYER0_CFG                   (0x0034)
+#define OVL6_REG_DEFAULT                 (0x01A8)
+
+#define DBUF_FRM_SIZE                    (0x0000)
+#define DBUF_FRM_HSIZE                   (0x0004)
+#define DBUF_SRAM_VALID_NUM              (0x0008)
+#define DBUF_WBE_EN                      (0x000C)
+#define DBUF_THD_FILL_LEV0               (0x0010)
+#define DBUF_DFS_FILL_LEV1               (0x0014)
+#define DBUF_THD_RQOS                    (0x0018)
+#define DBUF_THD_WQOS                    (0x001C)
+#define DBUF_THD_CG                      (0x0020)
+#define DBUF_THD_OTHER                   (0x0024)
+#define DBUF_ONLINE_FILL_LEVEL           (0x003C)
+#define DBUF_WB_FILL_LEVEL               (0x0040)
+#define DBUF_DFS_STATUS                  (0x0044)
+#define DBUF_THD_FLUX_REQ_BEF            (0x0048)
+#define DBUF_DFS_LP_CTRL                 (0x004C)
+#define DBUF_RD_SHADOW_SEL               (0x0050)
+#define DBUF_MEM_CTRL                    (0x0054)
+#define DBUF_THD_FLUX_REQ_AFT            (0x0064)
+#define DBUF_THD_DFS_OK                  (0x0068)
+#define DBUF_FLUX_REQ_CTRL               (0x006C)
+#define DBUF_REG_DEFAULT                 (0x00A4)
+
+#define DPP_IMG_SIZE_BEF_SR              (0x000C)
+#define DPP_IMG_SIZE_AFT_SR              (0x0010)
+#define DPP_INTS                         (0x0040)
+#define DPP_INT_MSK                      (0x0044)
+
+#define SCF_COEF_MEM_CTRL                (0x0018)
+#define IFBC_MEM_CTRL                    (0x001C)
+#define DITHER_MEM_CTRL                  (0x002C)
+#define DSC_MEM_CTRL                     (0x0084)
+#define ARSR2P_LB_MEM_CTRL               (0x0084)
+#define SCF_LB_MEM_CTRL                  (0x0090)
+#define ROT_MEM_CTRL                     (0x0538)
+#define VPP_MEM_CTRL                     (0x0704)
+#define CMD_MEM_CTRL                     (0x073C)
+#define DMA_BUF_MEM_CTRL                 (0x0854)
+#define AFBCD_MEM_CTRL                   (0x093C)
+#define AFBCE_MEM_CTRL                   (0x0924)
+
+#define LDI_DPI0_HRZ_CTRL0               (0x0000)
+#define LDI_DPI0_HRZ_CTRL1               (0x0004)
+#define LDI_DPI0_HRZ_CTRL2               (0x0008)
+#define LDI_VRT_CTRL0                    (0x000C)
+#define LDI_VRT_CTRL1                    (0x0010)
+#define LDI_VRT_CTRL2                    (0x0014)
+#define LDI_PLR_CTRL                     (0x0018)
+#define LDI_CTRL                         (0x0024)
+#define LDI_WORK_MODE                    (0x0028)
+#define LDI_DSI_CMD_MOD_CTRL             (0x0030)
+#define LDI_VINACT_MSK_LEN               (0x0050)
+#define LDI_CMD_EVENT_SEL                (0x0060)
+#define LDI_MEM_CTRL                     (0x0100)
+#define LDI_PXL0_DIV2_GT_EN              (0x0210)
+#define LDI_PXL0_DIV4_GT_EN              (0x0214)
+#define LDI_PXL0_GT_EN                   (0x0218)
+#define LDI_PXL0_DSI_GT_EN               (0x021C)
+#define LDI_PXL0_DIVXCFG                 (0x0220)
+#define LDI_VESA_CLK_SEL                 (0x0228)
+#define LDI_CPU_ITF_INTS                 (0x0248)
+#define LDI_CPU_ITF_INT_MSK              (0x024C)
+
+#define MIPIDSI_VERSION_OFFSET           (0x0000)
+#define MIPIDSI_PWR_UP_OFFSET            (0x0004)
+#define MIPIDSI_CLKMGR_CFG_OFFSET        (0x0008)
+#define MIPIDSI_DPI_VCID_OFFSET          (0x000c)
+#define MIPIDSI_DPI_COLOR_CODING_OFFSET  (0x0010)
+#define MIPIDSI_DPI_CFG_POL_OFFSET       (0x0014)
+#define MIPIDSI_DPI_LP_CMD_TIM_OFFSET    (0x0018)
+#define MIPIDSI_PCKHDL_CFG_OFFSET        (0x002c)
+#define MIPIDSI_GEN_VCID_OFFSET          (0x0030)
+#define MIPIDSI_MODE_CFG_OFFSET          (0x0034)
+#define MIPIDSI_VID_MODE_CFG_OFFSET      (0x0038)
+#define MIPIDSI_VID_PKT_SIZE_OFFSET      (0x003c)
+#define MIPIDSI_VID_NUM_CHUNKS_OFFSET    (0x0040)
+#define MIPIDSI_VID_NULL_SIZE_OFFSET     (0x0044)
+#define MIPIDSI_VID_HSA_TIME_OFFSET      (0x0048)
+#define MIPIDSI_VID_HBP_TIME_OFFSET      (0x004c)
+#define MIPIDSI_VID_HLINE_TIME_OFFSET    (0x0050)
+#define MIPIDSI_VID_VSA_LINES_OFFSET     (0x0054)
+#define MIPIDSI_VID_VBP_LINES_OFFSET     (0x0058)
+#define MIPIDSI_VID_VFP_LINES_OFFSET     (0x005c)
+#define MIPIDSI_VID_VACTIVE_LINES_OFFSET (0x0060)
+#define MIPIDSI_EDPI_CMD_SIZE_OFFSET     (0x0064)
+#define MIPIDSI_CMD_MODE_CFG_OFFSET      (0x0068)
+#define MIPIDSI_GEN_HDR_OFFSET           (0x006c)
+#define MIPIDSI_GEN_PLD_DATA_OFFSET      (0x0070)
+#define MIPIDSI_CMD_PKT_STATUS_OFFSET    (0x0074)
+#define MIPIDSI_TO_CNT_CFG_OFFSET        (0x0078)
+#define MIPIDSI_BTA_TO_CNT_OFFSET        (0x008C)
+#define MIPIDSI_SDF_3D_OFFSET            (0x0090)
+#define MIPIDSI_LPCLK_CTRL_OFFSET        (0x0094)
+#define MIPIDSI_PHY_TMR_LPCLK_CFG_OFFSET (0x0098)
+#define MIPIDSI_PHY_TMR_CFG_OFFSET       (0x009c)
+#define MIPIDSI_PHY_RSTZ_OFFSET          (0x00a0)
+#define MIPIDSI_PHY_IF_CFG_OFFSET        (0x00a4)
+#define MIPIDSI_PHY_ULPS_CTRL_OFFSET     (0x00a8)
+#define MIPIDSI_PHY_TX_TRIGGERS_OFFSET   (0x00ac)
+#define MIPIDSI_PHY_STATUS_OFFSET        (0x00b0)
+#define MIPIDSI_PHY_TST_CTRL0_OFFSET     (0x00b4)
+#define MIPIDSI_PHY_TST_CTRL1_OFFSET     (0x00b8)
+#define MIPIDSI_PHY_TMR_RD_CFG_OFFSET    (0x00f4)
+
+enum XRES_DIV {
+	XRES_DIV_1 = 1,
+	XRES_DIV_2,
+};
+
+enum YRES_DIV {
+	YRES_DIV_1 = 1,
+	YRES_DIV_2,
+};
+
+enum PXL0_DIVCFG {
+	PXL0_DIVCFG_0 = 0,
+	PXL0_DIVCFG_1,
+};
+
+enum PXL0_DIV2_GT_EN {
+	PXL0_DIV2_GT_EN_CLOSE = 0,
+	PXL0_DIV2_GT_EN_OPEN,
+};
+
+enum PXL0_DIV4_GT_EN {
+	PXL0_DIV4_GT_EN_CLOSE = 0,
+	PXL0_DIV4_GT_EN_OPEN,
+};
+
+enum PXL0_DSI_GT_EN {
+	PXL0_DSI_GT_EN_0 = 0,
+	PXL0_DSI_GT_EN_1,
+};
+
+enum lcd_format {
+	LCD_RGB888 = 0,
+	LCD_RGB101010,
+	LCD_RGB565,
+};
+
+enum lcd_rgb_order {
+	LCD_RGB = 0,
+	LCD_BGR,
+};
+
+enum dpe_dfc_format {
+	DFC_PIXEL_FORMAT_RGB_565 = 0,
+	DFC_PIXEL_FORMAT_XRGB_4444,
+	DFC_PIXEL_FORMAT_ARGB_4444,
+	DFC_PIXEL_FORMAT_XRGB_5551,
+	DFC_PIXEL_FORMAT_ARGB_5551,
+	DFC_PIXEL_FORMAT_XRGB_8888,
+	DFC_PIXEL_FORMAT_ARGB_8888,
+	DFC_PIXEL_FORMAT_BGR_565,
+	DFC_PIXEL_FORMAT_XBGR_4444,
+	DFC_PIXEL_FORMAT_ABGR_4444,
+	DFC_PIXEL_FORMAT_XBGR_5551,
+	DFC_PIXEL_FORMAT_ABGR_5551,
+	DFC_PIXEL_FORMAT_XBGR_8888,
+	DFC_PIXEL_FORMAT_ABGR_8888,
+	DFC_PIXEL_FORMAT_YUV444,
+	DFC_PIXEL_FORMAT_YVU444,
+	DFC_PIXEL_FORMAT_YUYV422,
+	DFC_PIXEL_FORMAT_YVYU422,
+	DFC_PIXEL_FORMAT_VYUY422,
+	DFC_PIXEL_FORMAT_UYVY422,
+};
+
+enum dpe_dma_format {
+	DMA_PIXEL_FORMAT_RGB_565 = 0,
+	DMA_PIXEL_FORMAT_ARGB_4444,
+	DMA_PIXEL_FORMAT_XRGB_4444,
+	DMA_PIXEL_FORMAT_ARGB_5551,
+	DMA_PIXEL_FORMAT_XRGB_5551,
+	DMA_PIXEL_FORMAT_ARGB_8888,
+	DMA_PIXEL_FORMAT_XRGB_8888,
+	DMA_PIXEL_FORMAT_RESERVED0,
+	DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+	DMA_PIXEL_FORMAT_YUV_420_SP_HP,
+	DMA_PIXEL_FORMAT_YUV_420_P_HP,
+	DMA_PIXEL_FORMAT_YUV_422_SP_HP,
+	DMA_PIXEL_FORMAT_YUV_422_P_HP,
+	DMA_PIXEL_FORMAT_AYUV_4444,
+};
+
+enum dpe_fb_format {
+	DPE_RGB_565 = 0,
+	DPE_RGBX_4444,
+	DPE_RGBA_4444,
+	DPE_RGBX_5551,
+	DPE_RGBA_5551,
+	DPE_RGBX_8888,
+	DPE_RGBA_8888,
+	DPE_BGR_565,
+	DPE_BGRX_4444,
+	DPE_BGRA_4444,
+	DPE_BGRX_5551,
+	DPE_BGRA_5551,
+	DPE_BGRX_8888,
+	DPE_BGRA_8888,
+	DPE_YUV_422_I,
+	/* YUV Semi-planar */
+	DPE_YCbCr_422_SP,
+	DPE_YCrCb_422_SP,
+	DPE_YCbCr_420_SP,
+	DPE_YCrCb_420_SP,
+	/* YUV Planar */
+	DPE_YCbCr_422_P,
+	DPE_YCrCb_422_P,
+	DPE_YCbCr_420_P,
+	DPE_YCrCb_420_P,
+	/* YUV Package */
+	DPE_YUYV_422_Pkg,
+	DPE_UYVY_422_Pkg,
+	DPE_YVYU_422_Pkg,
+	DPE_VYUY_422_Pkg,
+};
+
+#endif
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dpe.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dpe.c
new file mode 100644
index 0000000..0c8d181
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dpe.c
@@ -0,0 +1,1222 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Hisilicon Hi6220 SoC ADE(Advanced Display Engine)'s crtc&plane driver
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * Author:
+ *	Xinliang Liu <z.liuxinliang@hisilicon.com>
+ *	Xinliang Liu <xinliang.liu@linaro.org>
+ *	Xinwei Kong <kong.kongxinwei@hisilicon.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <video/display_timing.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/of_address.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+
+#include <drm/drm_drv.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_vblank.h>
+#include <drm/drm_fourcc.h>
+
+#include "kirin_drm_drv.h"
+#include "kirin_dpe_reg.h"
+
+#define DPE_WIDTH(width) ((width) - 1)
+#define DPE_HEIGHT(height) ((height) - 1)
+
+#define GET_FLUX_REQ_IN(max_depth) ((max_depth) * 50 / 100)
+#define GET_FLUX_REQ_OUT(max_depth) ((max_depth) * 90 / 100)
+
+#define DEFAULT_DPE_CORE_CLK_07V_RATE (400000000UL)
+#define DPE_MAX_PXL0_CLK_144M (144000000UL)
+
+#define DPE_UNSUPPORT (800)
+#define RES_4K_PHONE (3840 * 2160)
+
+enum dpe_ovl { DPE_OVL0 = 0, DPE_OVL_NUM };
+
+enum dpe_channel {
+	DPE_CH0 = 0, /* channel 1 for primary plane */
+	DPE_CH_NUM
+};
+
+struct dpe_hw_ctx {
+	void __iomem *base;
+	void __iomem *noc_base;
+
+	struct clk *dpe_axi_clk;
+	struct clk *dpe_pclk_clk;
+	struct clk *dpe_pri_clk;
+	struct clk *dpe_pxl0_clk;
+	struct clk *dpe_mmbuf_clk;
+
+	bool power_on;
+	int irq;
+
+	struct drm_crtc *crtc;
+
+	u32 hdisplay;
+	u32 vdisplay;
+};
+
+static const struct kirin_format dpe_formats[] = {
+	{ DRM_FORMAT_RGB565, DPE_RGB_565 },
+	{ DRM_FORMAT_BGR565, DPE_BGR_565 },
+	{ DRM_FORMAT_XRGB8888, DPE_RGBX_8888 },
+	{ DRM_FORMAT_XBGR8888, DPE_BGRX_8888 },
+	{ DRM_FORMAT_RGBA8888, DPE_RGBA_8888 },
+	{ DRM_FORMAT_BGRA8888, DPE_BGRA_8888 },
+	{ DRM_FORMAT_ARGB8888, DPE_BGRA_8888 },
+	{ DRM_FORMAT_ABGR8888, DPE_RGBA_8888 },
+};
+
+static const u32 dpe_channel_formats[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_BGR565,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_RGBA8888,
+	DRM_FORMAT_BGRA8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_ABGR8888,
+};
+
+static u32 dpe_pixel_dma_format_map[] = {
+	DMA_PIXEL_FORMAT_RGB_565,
+	DMA_PIXEL_FORMAT_XRGB_4444,
+	DMA_PIXEL_FORMAT_ARGB_4444,
+	DMA_PIXEL_FORMAT_XRGB_5551,
+	DMA_PIXEL_FORMAT_ARGB_5551,
+	DMA_PIXEL_FORMAT_XRGB_8888,
+	DMA_PIXEL_FORMAT_ARGB_8888,
+	DMA_PIXEL_FORMAT_RGB_565,
+	DMA_PIXEL_FORMAT_XRGB_4444,
+	DMA_PIXEL_FORMAT_ARGB_4444,
+	DMA_PIXEL_FORMAT_XRGB_5551,
+	DMA_PIXEL_FORMAT_ARGB_5551,
+	DMA_PIXEL_FORMAT_XRGB_8888,
+	DMA_PIXEL_FORMAT_ARGB_8888,
+	DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+	DMA_PIXEL_FORMAT_YUV_422_SP_HP,
+	DMA_PIXEL_FORMAT_YUV_422_SP_HP,
+	DMA_PIXEL_FORMAT_YUV_420_SP_HP,
+	DMA_PIXEL_FORMAT_YUV_420_SP_HP,
+	DMA_PIXEL_FORMAT_YUV_422_P_HP,
+	DMA_PIXEL_FORMAT_YUV_422_P_HP,
+	DMA_PIXEL_FORMAT_YUV_420_P_HP,
+	DMA_PIXEL_FORMAT_YUV_420_P_HP,
+	DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+	DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+	DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+	DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+};
+
+static u32 dpe_pixel_dfc_format_map[] = {
+	DFC_PIXEL_FORMAT_RGB_565,
+	DFC_PIXEL_FORMAT_XBGR_4444,
+	DFC_PIXEL_FORMAT_ABGR_4444,
+	DFC_PIXEL_FORMAT_XBGR_5551,
+	DFC_PIXEL_FORMAT_ABGR_5551,
+	DFC_PIXEL_FORMAT_XBGR_8888,
+	DFC_PIXEL_FORMAT_ABGR_8888,
+	DFC_PIXEL_FORMAT_BGR_565,
+	DFC_PIXEL_FORMAT_XRGB_4444,
+	DFC_PIXEL_FORMAT_ARGB_4444,
+	DFC_PIXEL_FORMAT_XRGB_5551,
+	DFC_PIXEL_FORMAT_ARGB_5551,
+	DFC_PIXEL_FORMAT_XRGB_8888,
+	DFC_PIXEL_FORMAT_ARGB_8888,
+	DFC_PIXEL_FORMAT_YUYV422,
+	DFC_PIXEL_FORMAT_YUYV422,
+	DFC_PIXEL_FORMAT_YVYU422,
+	DFC_PIXEL_FORMAT_YUYV422,
+	DFC_PIXEL_FORMAT_YVYU422,
+	DFC_PIXEL_FORMAT_YUYV422,
+	DFC_PIXEL_FORMAT_YVYU422,
+	DFC_PIXEL_FORMAT_YUYV422,
+	DFC_PIXEL_FORMAT_YVYU422,
+	DFC_PIXEL_FORMAT_YUYV422,
+	DFC_PIXEL_FORMAT_UYVY422,
+	DFC_PIXEL_FORMAT_YVYU422,
+	DFC_PIXEL_FORMAT_VYUY422,
+};
+
+static u32 mid_array[DPE_CH_NUM] = {0xb};
+static u32 aif_offset[DPE_CH_NUM] = {AIF0_CH0_OFFSET};
+static u32 mif_offset[DPE_CH_NUM] = {MIF_CH0_OFFSET};
+static u32 rdma_offset[DPE_CH_NUM] = {DPE_RCH_D0_DMA_OFFSET};
+static u32 rdfc_offset[DPE_CH_NUM] = {DPE_RCH_D0_DFC_OFFSET};
+static u32 dpe_smmu_chn_sid_num[DPE_CH_NUM] = {4};
+static u32 dpe_smmu_smrx_idx[DPE_CH_NUM] = {0};
+static u32 mctl_offset[DPE_OVL_NUM] = {DPE_MCTRL_CTL0_OFFSET};
+static u32 ovl_offset[DPE_OVL_NUM] = {DPE_OVL0_OFFSET};
+
+static u32 dpe_get_format(u32 pixel_format)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dpe_formats); i++)
+		if (dpe_formats[i].pixel_format == pixel_format)
+			return dpe_formats[i].hw_format;
+
+	DRM_ERROR("Not found pixel format!!fourcc_format= %d\n", pixel_format);
+	return DPE_UNSUPPORT;
+}
+
+static void dpe_set_reg(char __iomem *addr, u32 val, u8 bw, u8 bs)
+{
+	u32 mask = (1UL << bw) - 1UL;
+	u32 tmp = 0;
+
+	tmp = readl(addr);
+	tmp &= ~(mask << bs);
+
+	writel(tmp | ((val & mask) << bs), addr);
+}
+
+/* dpe mctl utils */
+static void dpe_mctl_lock(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX, 0x1, 1, 0);
+}
+
+static void dpe_mctl_unlock(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX, 0x0, 1, 0);
+}
+
+static void dpe_mctl_init(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+	dpe_set_reg(mctl_base + MCTL_CTL_EN, 0x1, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_ITF, 0x1, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_DBG, 0xB13A00, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_TOP, 0x2, 32, 0);
+}
+
+static void dpe_qos_init(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *noc_base = ctx->noc_base;
+
+	writel(0x2, noc_base + 0x000c);
+	writel(0x2, noc_base + 0x008c);
+	writel(0x2, noc_base + 0x010c);
+	writel(0x2, noc_base + 0x018c);
+}
+
+/* dpe ldi utils */
+static void dpe_enable_ldi(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *ldi_base = ctx->base + DPE_LDI0_OFFSET;
+
+	dpe_set_reg(ldi_base + LDI_CTRL, 0x1, 1, 0);
+}
+
+/* interrupts utils */
+static void dpe_interrupt_mask(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *base = ctx->base;
+	u32 mask = ~0;
+
+	writel(mask, base + GLB_CPU_PDP_INT_MSK);
+	writel(mask, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+	writel(mask, base + DPE_DPP_OFFSET + DPP_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_DPE_GLB_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_MCTL_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_WCH0_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_WCH1_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH0_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH1_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH2_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH3_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH4_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH5_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH6_INT_MSK);
+	writel(mask, base + DPE_DBG_OFFSET + DBG_RCH7_INT_MSK);
+}
+
+static void dpe_interrupt_unmask(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *base = ctx->base;
+	u32 unmask;
+
+	unmask = ~0;
+	unmask &= ~(BIT_DPP_INTS | BIT_ITF0_INTS | BIT_MMU_IRPT_NS);
+	writel(unmask, base + GLB_CPU_PDP_INT_MSK);
+
+	unmask = ~0;
+	unmask &= ~(BIT_VSYNC | BIT_LDI_UNFLOW);
+	writel(unmask, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+}
+
+static void dpe_interrupt_clear(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *base = ctx->base;
+	u32 clear = ~0;
+
+	writel(clear, base + GLB_CPU_PDP_INTS);
+	writel(clear, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INTS);
+	writel(clear, base + DPE_DPP_OFFSET + DPP_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_MCTL_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_WCH0_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_WCH1_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH0_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH1_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH2_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH3_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH4_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH5_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH6_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_RCH7_INTS);
+	writel(clear, base + DPE_DBG_OFFSET + DBG_DPE_GLB_INTS);
+}
+
+static void dpe_irq_enable(struct dpe_hw_ctx *ctx)
+{
+	enable_irq(ctx->irq);
+}
+
+static void dpe_clk_enable(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *base = ctx->base;
+
+	writel(0x00000088, base + DPE_IFBC_OFFSET + IFBC_MEM_CTRL);
+	writel(0x00000888, base + DPE_DSC_OFFSET + DSC_MEM_CTRL);
+	writel(0x00000008, base + DPE_LDI0_OFFSET + LDI_MEM_CTRL);
+	writel(0x00000008, base + DPE_DBUF0_OFFSET + DBUF_MEM_CTRL);
+	writel(0x00000008, base + DPE_DPP_DITHER_OFFSET + DITHER_MEM_CTRL);
+	writel(0x00000008, base + DPE_CMDLIST_OFFSET + CMD_MEM_CTRL);
+	writel(0x00000088, base + DPE_RCH_VG0_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG0_SCL_OFFSET + SCF_LB_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG0_ARSR_OFFSET + ARSR2P_LB_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG0_DMA_OFFSET + VPP_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00008888, base + DPE_RCH_VG0_DMA_OFFSET + AFBCD_MEM_CTRL);
+	writel(0x00000088, base + DPE_RCH_VG1_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG1_SCL_OFFSET + SCF_LB_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00008888, base + DPE_RCH_VG1_DMA_OFFSET + AFBCD_MEM_CTRL);
+	writel(0x00000088, base + DPE_RCH_VG2_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG2_SCL_OFFSET + SCF_LB_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_VG2_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00000088, base + DPE_RCH_G0_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_G0_SCL_OFFSET + SCF_LB_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_G0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00008888, base + DPE_RCH_G0_DMA_OFFSET + AFBCD_MEM_CTRL);
+	writel(0x00000088, base + DPE_RCH_G1_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_G1_SCL_OFFSET + SCF_LB_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_G1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00008888, base + DPE_RCH_G1_DMA_OFFSET + AFBCD_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_D0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00008888, base + DPE_RCH_D0_DMA_OFFSET + AFBCD_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_D1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_D2_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00000008, base + DPE_RCH_D3_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00000008, base + DPE_WCH0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00000888, base + DPE_WCH0_DMA_OFFSET + AFBCE_MEM_CTRL);
+	writel(0x00000008, base + DPE_WCH0_DMA_OFFSET + ROT_MEM_CTRL);
+	writel(0x00000008, base + DPE_WCH1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00000888, base + DPE_WCH1_DMA_OFFSET + AFBCE_MEM_CTRL);
+	writel(0x00000008, base + DPE_WCH1_DMA_OFFSET + ROT_MEM_CTRL);
+	writel(0x00000008, base + DPE_WCH2_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+	writel(0x00000008, base + DPE_WCH2_DMA_OFFSET + ROT_MEM_CTRL);
+}
+
+static int dpe_power_up(struct dpe_hw_ctx *ctx)
+{
+	int ret;
+
+	if (ctx->power_on)
+		return 0;
+
+	/*peri clk enable */
+	ret = clk_prepare_enable(ctx->dpe_pxl0_clk);
+	if (ret) {
+		DRM_ERROR("failed to enable dpe_pxl0_clk (%d)\n", ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(ctx->dpe_pri_clk);
+	if (ret) {
+		DRM_ERROR("failed to enable dpe_pri_clk (%d)\n", ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(ctx->dpe_pclk_clk);
+	if (ret) {
+		DRM_ERROR("failed to enable dpe_pclk_clk (%d)\n", ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(ctx->dpe_axi_clk);
+	if (ret) {
+		DRM_ERROR("failed to enable dpe_axi_clk (%d)\n", ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(ctx->dpe_mmbuf_clk);
+	if (ret) {
+		DRM_ERROR("failed to enable dpe_mmbuf_clk (%d)\n", ret);
+		return ret;
+	}
+
+	dpe_clk_enable(ctx);
+	dpe_interrupt_mask(ctx);
+	dpe_interrupt_clear(ctx);
+	dpe_irq_enable(ctx);
+	dpe_interrupt_unmask(ctx);
+
+	ctx->power_on = true;
+	return 0;
+}
+
+static void dpe_dpp_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+			 struct drm_display_mode *adj_mode)
+{
+	void __iomem *dpp_base = ctx->base + DPE_DPP_OFFSET;
+
+	writel((DPE_HEIGHT(mode->vdisplay) << 16) | DPE_WIDTH(mode->hdisplay),
+	       dpp_base + DPP_IMG_SIZE_BEF_SR);
+	writel((DPE_HEIGHT(mode->vdisplay) << 16) | DPE_WIDTH(mode->hdisplay),
+	       dpp_base + DPP_IMG_SIZE_AFT_SR);
+}
+
+static void dpe_ovl_init(struct dpe_hw_ctx *ctx, u32 xres, u32 yres)
+{
+	void __iomem *mctl_sys_base = ctx->base + DPE_MCTRL_SYS_OFFSET;
+	void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+	void __iomem *ovl0_base = ctx->base + ovl_offset[DPE_OVL0];
+
+	dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x1, 32, 0);
+	dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x0, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_SIZE, (xres - 1) | ((yres - 1) << 16), 32,
+		    0);
+	dpe_set_reg(ovl0_base + OVL_BG_COLOR, 0xFF000000, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_DST_STARTPOS, 0x0, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_DST_ENDPOS, (xres - 1) | ((yres - 1) << 16),
+		    32, 0);
+	dpe_set_reg(ovl0_base + OVL_GCFG, 0x10001, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_ITF, 0x1, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_DBUF, 0x1, 2, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_OV, 1 << DPE_OVL0, 4, 0);
+	dpe_set_reg(mctl_sys_base + MCTL_RCH_OV0_SEL, 0x8, 4, 0);
+	dpe_set_reg(mctl_sys_base + MCTL_OV0_FLUSH_EN, 0xd, 4, 0);
+}
+
+static void dpe_vesa_init(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *base = ctx->base;
+
+	dpe_set_reg(base + DPE_LDI0_OFFSET + LDI_VESA_CLK_SEL, 0, 1, 0);
+}
+
+static int dpe_mipi_ifbc_get_rect(struct drm_rect *rect)
+{
+	u32 xres_div = XRES_DIV_1;
+	u32 yres_div = YRES_DIV_1;
+
+	if ((rect->x2 % xres_div) > 0)
+		DRM_ERROR("xres(%d) is not division_h(%d) pixel aligned!\n",
+			  rect->x2, xres_div);
+
+	if ((rect->y2 % yres_div) > 0)
+		DRM_ERROR("yres(%d) is not division_v(%d) pixel aligned!\n",
+			  rect->y2, yres_div);
+
+	rect->x2 /= xres_div;
+	rect->y2 /= yres_div;
+
+	return 0;
+}
+
+static void dpe_init_ldi_pxl_div(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *ldi_base = ctx->base + DPE_LDI0_OFFSET;
+
+	dpe_set_reg(ldi_base + LDI_PXL0_DIV2_GT_EN, PXL0_DIV2_GT_EN_CLOSE, 1,
+		    0);
+	dpe_set_reg(ldi_base + LDI_PXL0_DIV4_GT_EN, PXL0_DIV4_GT_EN_CLOSE, 1,
+		    0);
+	dpe_set_reg(ldi_base + LDI_PXL0_GT_EN, 0x1, 1, 0);
+	dpe_set_reg(ldi_base + LDI_PXL0_DSI_GT_EN, PXL0_DSI_GT_EN_1, 2, 0);
+	dpe_set_reg(ldi_base + LDI_PXL0_DIVXCFG, PXL0_DIVCFG_0, 3, 0);
+}
+
+static void dpe_dbuf_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+			  struct drm_display_mode *adj_mode)
+{
+	void __iomem *dbuf_base = ctx->base + DPE_DBUF0_OFFSET;
+
+	int sram_valid_num = 0;
+	int sram_max_mem_depth = 0;
+	int sram_min_support_depth = 0;
+
+	u32 thd_rqos_in = 0;
+	u32 thd_rqos_out = 0;
+	u32 thd_wqos_in = 0;
+	u32 thd_wqos_out = 0;
+	u32 thd_cg_in = 0;
+	u32 thd_cg_out = 0;
+	u32 thd_wr_wait = 0;
+	u32 thd_cg_hold = 0;
+	u32 thd_flux_req_befdfs_in = 0;
+	u32 thd_flux_req_befdfs_out = 0;
+	u32 thd_flux_req_aftdfs_in = 0;
+	u32 thd_flux_req_aftdfs_out = 0;
+	u32 thd_dfs_ok = 0;
+	u32 dfs_ok_mask = 0;
+	u32 thd_flux_req_sw_en = 1;
+	u32 hfp, hbp, hsw, vfp, vbp, vsw;
+
+	int dfs_time_min = 0;
+	int depth = 0;
+
+	hfp = mode->hsync_start - mode->hdisplay;
+	hbp = mode->htotal - mode->hsync_end;
+	hsw = mode->hsync_end - mode->hsync_start;
+	vfp = mode->vsync_start - mode->vdisplay;
+	vbp = mode->vtotal - mode->vsync_end;
+	vsw = mode->vsync_end - mode->vsync_start;
+
+	dbuf_base = ctx->base + DPE_DBUF0_OFFSET;
+
+	if (mode->hdisplay * mode->vdisplay >= RES_4K_PHONE)
+		dfs_time_min = DFS_TIME_MIN_4K;
+	else
+		dfs_time_min = DFS_TIME_MIN;
+
+	depth = DBUF0_DEPTH;
+
+	thd_cg_out = (DFS_TIME * adj_mode->clock * 1000UL * mode->hdisplay) /
+		     (((hsw + hbp + hfp) + mode->hdisplay) * 6 * 1000000UL);
+
+	sram_valid_num = thd_cg_out / depth;
+	thd_cg_in = (sram_valid_num + 1) * depth - 1;
+	sram_max_mem_depth = (sram_valid_num + 1) * depth;
+
+	thd_rqos_in = thd_cg_out * 85 / 100;
+	thd_rqos_out = thd_cg_out;
+	thd_flux_req_befdfs_in = GET_FLUX_REQ_IN(sram_max_mem_depth);
+	thd_flux_req_befdfs_out = GET_FLUX_REQ_OUT(sram_max_mem_depth);
+
+	sram_min_support_depth =
+		dfs_time_min * mode->hdisplay /
+		(1000000 / 60 / (mode->vdisplay + vbp + vfp + vsw) *
+		 (DBUF_WIDTH_BIT / 3 / BITS_PER_BYTE));
+
+	thd_flux_req_aftdfs_in = (sram_max_mem_depth - sram_min_support_depth);
+	thd_flux_req_aftdfs_in = thd_flux_req_aftdfs_in / 3;
+	thd_flux_req_aftdfs_out = 2 * thd_flux_req_aftdfs_in;
+	thd_dfs_ok = thd_flux_req_befdfs_in;
+
+	writel(mode->hdisplay * mode->vdisplay, dbuf_base + DBUF_FRM_SIZE);
+	writel(DPE_WIDTH(mode->hdisplay), dbuf_base + DBUF_FRM_HSIZE);
+	writel(sram_valid_num, dbuf_base + DBUF_SRAM_VALID_NUM);
+
+	writel((thd_rqos_out << 16) | thd_rqos_in, dbuf_base + DBUF_THD_RQOS);
+	writel((thd_wqos_out << 16) | thd_wqos_in, dbuf_base + DBUF_THD_WQOS);
+	writel((thd_cg_out << 16) | thd_cg_in, dbuf_base + DBUF_THD_CG);
+	writel((thd_cg_hold << 16) | thd_wr_wait, dbuf_base + DBUF_THD_OTHER);
+	writel((thd_flux_req_befdfs_out << 16) | thd_flux_req_befdfs_in,
+	       dbuf_base + DBUF_THD_FLUX_REQ_BEF);
+	writel((thd_flux_req_aftdfs_out << 16) | thd_flux_req_aftdfs_in,
+	       dbuf_base + DBUF_THD_FLUX_REQ_AFT);
+	writel(thd_dfs_ok, dbuf_base + DBUF_THD_DFS_OK);
+	writel((dfs_ok_mask << 1) | thd_flux_req_sw_en,
+	       dbuf_base + DBUF_FLUX_REQ_CTRL);
+
+	writel(0x1, dbuf_base + DBUF_DFS_LP_CTRL);
+}
+
+static void dpe_ldi_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+			 struct drm_display_mode *adj_mode)
+{
+	void __iomem *ldi_base = ctx->base + DPE_LDI0_OFFSET;
+	struct drm_rect rect = { 0, 0, 0, 0 };
+	u32 hfp, hbp, hsw, vfp, vbp, vsw;
+	u32 vsync_plr = 0;
+	u32 hsync_plr = 0;
+	u32 pixelclk_plr = 0;
+	u32 data_en_plr = 0;
+
+	hfp = mode->hsync_start - mode->hdisplay;
+	hbp = mode->htotal - mode->hsync_end;
+	hsw = mode->hsync_end - mode->hsync_start;
+	vfp = mode->vsync_start - mode->vdisplay;
+	vbp = mode->vtotal - mode->vsync_end;
+	vsw = mode->vsync_end - mode->vsync_start;
+
+	rect.x1 = 0;
+	rect.y1 = 0;
+	rect.x2 = mode->hdisplay;
+	rect.y2 = mode->vdisplay;
+	dpe_mipi_ifbc_get_rect(&rect);
+	dpe_init_ldi_pxl_div(ctx);
+
+	writel(hfp | ((hbp + DPE_WIDTH(hsw)) << 16),
+	       ldi_base + LDI_DPI0_HRZ_CTRL0);
+	writel(0, ldi_base + LDI_DPI0_HRZ_CTRL1);
+	writel(DPE_WIDTH(rect.x2), ldi_base + LDI_DPI0_HRZ_CTRL2);
+	writel(vfp | (vbp << 16), ldi_base + LDI_VRT_CTRL0);
+	writel(DPE_HEIGHT(vsw), ldi_base + LDI_VRT_CTRL1);
+	writel(DPE_HEIGHT(rect.y2), ldi_base + LDI_VRT_CTRL2);
+	writel(vsync_plr | (hsync_plr << 1) | (pixelclk_plr << 2) |
+		       (data_en_plr << 3),
+	       ldi_base + LDI_PLR_CTRL);
+
+	dpe_set_reg(ldi_base + LDI_CTRL, LCD_RGB888, 2, 3);
+	dpe_set_reg(ldi_base + LDI_CTRL, LCD_RGB, 1, 13);
+
+	writel(vfp, ldi_base + LDI_VINACT_MSK_LEN);
+	writel(0x1, ldi_base + LDI_CMD_EVENT_SEL);
+
+	dpe_set_reg(ldi_base + LDI_DSI_CMD_MOD_CTRL, 0x1, 1, 1);
+	dpe_set_reg(ldi_base + LDI_WORK_MODE, 0x1, 1, 0);
+	dpe_set_reg(ldi_base + LDI_CTRL, 0x0, 1, 0);
+}
+
+static void dpe_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+		     struct drm_display_mode *adj_mode)
+{
+	dpe_dbuf_init(ctx, mode, adj_mode);
+	dpe_dpp_init(ctx, mode, adj_mode);
+	dpe_vesa_init(ctx);
+	dpe_ldi_init(ctx, mode, adj_mode);
+	dpe_qos_init(ctx);
+	dpe_mctl_init(ctx);
+
+	dpe_mctl_lock(ctx);
+	dpe_ovl_init(ctx, mode->hdisplay, mode->vdisplay);
+	dpe_mctl_unlock(ctx);
+
+	//	dpe_enable_ldi(ctx);
+
+	ctx->hdisplay = mode->hdisplay;
+	ctx->vdisplay = mode->vdisplay;
+	mdelay(60);
+}
+
+static void dpe_ldi_set_mode(struct dpe_hw_ctx *ctx,
+			     struct drm_display_mode *mode,
+			     struct drm_display_mode *adj_mode)
+{
+	int ret;
+	u32 clk_Hz;
+
+	switch (mode->clock) {
+	case 148500:
+		clk_Hz = 144000 * 1000UL;
+		break;
+	case 83496:
+		clk_Hz = 80000 * 1000UL;
+		break;
+	case 74440:
+		clk_Hz = 72000 * 1000UL;
+		break;
+	case 74250:
+		clk_Hz = 72000 * 1000UL;
+		break;
+	default:
+		clk_Hz = mode->clock * 1000UL;
+	}
+
+	ret = clk_set_rate(ctx->dpe_pxl0_clk, clk_Hz);
+	if (ret)
+		DRM_ERROR("failed to set pixel clk %dHz (%d)\n", clk_Hz, ret);
+
+	adj_mode->clock = clk_get_rate(ctx->dpe_pxl0_clk) / 1000;
+}
+
+static int dpe_enable_vblank(struct drm_crtc *crtc)
+{
+	struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+	struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+
+	dpe_power_up(ctx);
+
+	return 0;
+}
+
+static void dpe_disable_vblank(struct drm_crtc *crtc)
+{
+	struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+	struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+
+	if (!ctx->power_on) {
+		DRM_ERROR("power is down! vblank disable fail\n");
+		return;
+	}
+}
+
+static void dpe_crtc_atomic_enable(struct drm_crtc *crtc,
+				   struct drm_crtc_state *old_state)
+{
+	struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+	struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+	int ret;
+
+	if (kcrtc->enable)
+		return;
+
+	ret = dpe_power_up(ctx);
+	if (ret)
+		return;
+
+	kcrtc->enable = true;
+	drm_crtc_vblank_on(crtc);
+}
+
+static void dpe_crtc_atomic_disable(struct drm_crtc *crtc,
+				    struct drm_crtc_state *old_state)
+{
+	struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+
+	if (!kcrtc->enable)
+		return;
+
+	drm_crtc_vblank_off(crtc);
+	kcrtc->enable = false;
+}
+
+static void dpe_crtc_mode_set_nofb(struct drm_crtc *crtc)
+{
+	struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+	struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+	struct drm_display_mode *mode = &crtc->state->mode;
+	struct drm_display_mode *adj_mode = &crtc->state->adjusted_mode;
+
+	dpe_power_up(ctx);
+	dpe_ldi_set_mode(ctx, mode, adj_mode);
+	dpe_init(ctx, mode, adj_mode);
+}
+
+static void dpe_crtc_atomic_begin(struct drm_crtc *crtc,
+				  struct drm_crtc_state *old_state)
+{
+	struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+	struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+
+	dpe_power_up(ctx);
+}
+
+static void dpe_crtc_atomic_flush(struct drm_crtc *crtc,
+				  struct drm_crtc_state *old_state)
+
+{
+	struct drm_pending_vblank_event *event = crtc->state->event;
+
+	if (event) {
+		crtc->state->event = NULL;
+
+		spin_lock_irq(&crtc->dev->event_lock);
+		if (drm_crtc_vblank_get(crtc) == 0)
+			drm_crtc_arm_vblank_event(crtc, event);
+		else
+			drm_crtc_send_vblank_event(crtc, event);
+		spin_unlock_irq(&crtc->dev->event_lock);
+	}
+}
+
+const struct drm_crtc_helper_funcs dpe_crtc_helper_funcs = {
+	.atomic_enable = dpe_crtc_atomic_enable,
+	.atomic_disable = dpe_crtc_atomic_disable,
+	.mode_set_nofb = dpe_crtc_mode_set_nofb,
+	.atomic_begin = dpe_crtc_atomic_begin,
+	.atomic_flush = dpe_crtc_atomic_flush,
+};
+
+const struct drm_crtc_funcs dpe_crtc_funcs = {
+	.destroy = drm_crtc_cleanup,
+	.set_config = drm_atomic_helper_set_config,
+	.page_flip = drm_atomic_helper_page_flip,
+	.reset = drm_atomic_helper_crtc_reset,
+	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+	.enable_vblank = dpe_enable_vblank,
+	.disable_vblank = dpe_disable_vblank,
+};
+
+static void dpe_unflow_handler(struct dpe_hw_ctx *ctx)
+{
+	void __iomem *base = ctx->base;
+	u32 tmp = 0;
+
+	tmp = readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+	tmp &= ~BIT_LDI_UNFLOW;
+
+	writel(tmp, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+}
+
+static void dpe_mctl_ov_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+	void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+	dpe_set_reg(mctl_base + MCTL_CTL_EN, 0x1, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_TOP, 0x2, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_DBG, 0xB13A00, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_RCH0 + ch * 4, 0x1, 32, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_ITF, 0x1, 2, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_DBUF, 0x1, 2, 0);
+	dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_OV, 1 << DPE_OVL0, 4, 0);
+}
+
+static void dpe_mctl_sys_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+	void __iomem *mctl_sys_base = ctx->base + DPE_MCTRL_SYS_OFFSET;
+
+	dpe_set_reg(mctl_sys_base + MCTL_RCH0_OV_OEN + ch * 4, (1 << 1) | 0x100,
+		    32, 0);
+	dpe_set_reg(mctl_sys_base + MCTL_RCH_OV0_SEL, 0x8, 4, 0);
+	dpe_set_reg(mctl_sys_base + MCTL_RCH_OV0_SEL, ch, 4,
+		    (DPE_OVL0 + 1) * 4);
+	dpe_set_reg(mctl_sys_base + MCTL_OV0_FLUSH_EN, 0xd, 4, 0);
+	dpe_set_reg(mctl_sys_base + MCTL_RCH0_FLUSH_EN + ch * 4, 0x1, 32, 0);
+}
+
+static void dpe_ovl_config(struct dpe_hw_ctx *ctx, const struct drm_rect *rect,
+			   u32 xres, u32 yres)
+{
+	void __iomem *ovl0_base = ctx->base + ovl_offset[DPE_OVL0];
+
+	dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x1, 32, 0);
+	dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x0, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_SIZE, (xres - 1) | ((yres - 1) << 16), 32,
+		    0);
+	dpe_set_reg(ovl0_base + OVL_BG_COLOR, 0xFF000000, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_DST_STARTPOS, 0x0, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_DST_ENDPOS, (xres - 1) | ((yres - 1) << 16),
+		    32, 0);
+	dpe_set_reg(ovl0_base + OVL_GCFG, 0x10001, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_LAYER0_POS, (rect->x1) | ((rect->y1) << 16),
+		    32, 0);
+	dpe_set_reg(ovl0_base + OVL_LAYER0_SIZE,
+		    (rect->x2) | ((rect->y2) << 16), 32, 0);
+	dpe_set_reg(ovl0_base + OVL_LAYER0_ALPHA, 0x00ff40ff, 32, 0);
+	dpe_set_reg(ovl0_base + OVL_LAYER0_CFG, 0x1, 1, 0);
+}
+
+static void dpe_rdma_config(struct dpe_hw_ctx *ctx, const struct drm_rect *rect,
+			    u32 display_addr, u32 hal_format, u32 bpp, int ch)
+{
+	void __iomem *rdma_base = ctx->base + rdma_offset[ch];
+
+	u32 aligned_pixel = 0;
+	u32 rdma_oft_x0, rdma_oft_y0, rdma_oft_x1, rdma_oft_y1;
+	u32 rdma_stride, rdma_format;
+	u32 stretch_size_vrt = 0;
+	u32 h_display = 0;
+
+	aligned_pixel = DMA_ALIGN_BYTES / bpp;
+	rdma_oft_x0 = rect->x1 / aligned_pixel;
+	rdma_oft_y0 = rect->y1;
+	rdma_oft_x1 = rect->x2 / aligned_pixel;
+	rdma_oft_y1 = rect->y2;
+
+	rdma_format = dpe_pixel_dma_format_map[hal_format];
+	stretch_size_vrt = rdma_oft_y1 - rdma_oft_y0;
+
+	h_display = (rect->x2 - rect->x1) + 1;
+	rdma_stride = (h_display * bpp) / DMA_ALIGN_BYTES;
+
+	dpe_set_reg(rdma_base + DMA_CH_REG_DEFAULT, 0x1, 32, 0);
+	dpe_set_reg(rdma_base + DMA_CH_REG_DEFAULT, 0x0, 32, 0);
+
+	dpe_set_reg(rdma_base + DMA_OFT_X0, rdma_oft_x0, 12, 0);
+	dpe_set_reg(rdma_base + DMA_OFT_Y0, rdma_oft_y0, 16, 0);
+	dpe_set_reg(rdma_base + DMA_OFT_X1, rdma_oft_x1, 12, 0);
+	dpe_set_reg(rdma_base + DMA_OFT_Y1, rdma_oft_y1, 16, 0);
+	dpe_set_reg(rdma_base + DMA_CTRL, rdma_format, 5, 3);
+	dpe_set_reg(rdma_base + DMA_CTRL, 0x0, 1, 8);
+	dpe_set_reg(rdma_base + DMA_STRETCH_SIZE_VRT, stretch_size_vrt, 32, 0);
+	dpe_set_reg(rdma_base + DMA_DATA_ADDR0, display_addr, 32, 0);
+	dpe_set_reg(rdma_base + DMA_STRIDE0, rdma_stride, 13, 0);
+	dpe_set_reg(rdma_base + DMA_CH_CTL, 0x1, 1, 0);
+}
+
+static void dpe_rdfc_config(struct dpe_hw_ctx *ctx, const struct drm_rect *rect,
+			    u32 hal_format, u32 bpp, int ch)
+{
+	void __iomem *rdfc_base = ctx->base + rdfc_offset[ch];
+
+	u32 dfc_pix_in_num = 0;
+	u32 size_hrz = 0;
+	u32 size_vrt = 0;
+	u32 dfc_fmt = 0;
+
+	dfc_pix_in_num = (bpp <= 2) ? 0x1 : 0x0;
+	size_hrz = rect->x2 - rect->x1;
+	size_vrt = rect->y2 - rect->y1;
+
+	dfc_fmt = dpe_pixel_dfc_format_map[hal_format];
+
+	dpe_set_reg(rdfc_base + DFC_DISP_SIZE, (size_vrt | (size_hrz << 16)),
+		    29, 0);
+	dpe_set_reg(rdfc_base + DFC_PIX_IN_NUM, dfc_pix_in_num, 1, 0);
+	dpe_set_reg(rdfc_base + DFC_DISP_FMT, dfc_fmt, 5, 1);
+	dpe_set_reg(rdfc_base + DFC_CTL_CLIP_EN, 0x1, 1, 0);
+	dpe_set_reg(rdfc_base + DFC_ICG_MODULE, 0x1, 1, 0);
+}
+
+static void dpe_aif_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+	void __iomem *aif_ch_base = ctx->base + aif_offset[ch];
+
+	dpe_set_reg(aif_ch_base, 0x0, 1, 0);
+	dpe_set_reg(aif_ch_base, mid_array[ch], 4, 4);
+}
+
+static void dpe_mif_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+	void __iomem *mif_ch_base = ctx->base + mif_offset[ch];
+
+	dpe_set_reg(mif_ch_base + MIF_CTRL1, 0x1, 1, 5);
+}
+
+static void dpe_smmu_config_off(struct dpe_hw_ctx *ctx, u32 ch)
+{
+	void __iomem *smmu_base = ctx->base + DPE_SMMU_OFFSET;
+	int i, index;
+
+	for (i = 0; i < dpe_smmu_chn_sid_num[ch]; i++) {
+		index = dpe_smmu_smrx_idx[ch] + i;
+		dpe_set_reg(smmu_base + SMMU_SMRx_NS + index * 0x4, 1, 32, 0);
+	}
+}
+
+static void dpe_update_channel(struct kirin_plane *kplane,
+			       struct drm_framebuffer *fb, int crtc_x,
+			       int crtc_y, unsigned int crtc_w,
+			       unsigned int crtc_h, u32 src_x, u32 src_y,
+			       u32 src_w, u32 src_h)
+{
+	struct dpe_hw_ctx *ctx = kplane->hw_ctx;
+	struct drm_gem_cma_object *obj = drm_fb_cma_get_gem_obj(fb, 0);
+	struct drm_rect rect;
+	u32 bpp;
+	u32 stride;
+	u32 display_addr;
+	u32 hal_fmt;
+	u32 ch = DPE_CH0;
+
+	bpp = fb->format->cpp[0];
+	stride = fb->pitches[0];
+
+	display_addr = (u32)obj->paddr + src_y * stride;
+
+	rect.x1 = 0;
+	rect.x2 = src_w - 1;
+	rect.y1 = 0;
+	rect.y2 = src_h - 1;
+	hal_fmt = dpe_get_format(fb->format->format);
+
+	dpe_mctl_lock(ctx);
+	dpe_aif_config(ctx, ch);
+	dpe_mif_config(ctx, ch);
+	dpe_smmu_config_off(ctx, ch);
+
+	dpe_rdma_config(ctx, &rect, display_addr, hal_fmt, bpp, ch);
+	dpe_rdfc_config(ctx, &rect, hal_fmt, bpp, ch);
+	dpe_ovl_config(ctx, &rect, ctx->hdisplay, ctx->vdisplay);
+
+	dpe_mctl_ov_config(ctx, ch);
+	dpe_mctl_sys_config(ctx, ch);
+	dpe_mctl_unlock(ctx);
+	dpe_unflow_handler(ctx);
+
+	dpe_enable_ldi(ctx);
+}
+
+static void dpe_plane_atomic_update(struct drm_plane *plane,
+				    struct drm_plane_state *old_state)
+{
+	struct drm_plane_state *state = plane->state;
+	struct kirin_plane *kplane = to_kirin_plane(plane);
+
+	if (!state->fb) {
+		state->visible = false;
+		return;
+	}
+
+	dpe_update_channel(kplane, state->fb, state->crtc_x, state->crtc_y,
+			   state->crtc_w, state->crtc_h, state->src_x >> 16,
+			   state->src_y >> 16, state->src_w >> 16,
+			   state->src_h >> 16);
+}
+
+static int dpe_plane_atomic_check(struct drm_plane *plane,
+				  struct drm_plane_state *state)
+{
+	struct drm_framebuffer *fb = state->fb;
+	struct drm_crtc *crtc = state->crtc;
+	struct drm_crtc_state *crtc_state;
+	u32 src_x = state->src_x >> 16;
+	u32 src_y = state->src_y >> 16;
+	u32 src_w = state->src_w >> 16;
+	u32 src_h = state->src_h >> 16;
+	int crtc_x = state->crtc_x;
+	int crtc_y = state->crtc_y;
+	u32 crtc_w = state->crtc_w;
+	u32 crtc_h = state->crtc_h;
+	u32 fmt;
+
+	if (!crtc || !fb)
+		return 0;
+
+	fmt = dpe_get_format(fb->format->format);
+	if (fmt == DPE_UNSUPPORT)
+		return -EINVAL;
+
+	crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
+	if (IS_ERR(crtc_state))
+		return PTR_ERR(crtc_state);
+
+	if (src_w != crtc_w || src_h != crtc_h) {
+		DRM_ERROR("Scale not support!!!\n");
+		return -EINVAL;
+	}
+
+	if (src_x + src_w > fb->width || src_y + src_h > fb->height)
+		return -EINVAL;
+
+	if (crtc_x < 0 || crtc_y < 0)
+		return -EINVAL;
+
+	if (crtc_x + crtc_w > crtc_state->adjusted_mode.hdisplay ||
+	    crtc_y + crtc_h > crtc_state->adjusted_mode.vdisplay)
+		return -EINVAL;
+
+	return 0;
+}
+
+const struct drm_plane_helper_funcs dpe_plane_helper_funcs = {
+	.atomic_check = dpe_plane_atomic_check,
+	.atomic_update = dpe_plane_atomic_update,
+};
+
+const struct drm_plane_funcs dpe_plane_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = drm_plane_cleanup,
+	.reset = drm_atomic_helper_plane_reset,
+	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+};
+
+static irqreturn_t dpe_irq_handler(int irq, void *data)
+{
+	struct dpe_hw_ctx *ctx = data;
+	struct drm_crtc *crtc = ctx->crtc;
+	void __iomem *base = ctx->base;
+
+	u32 isr_s1 = 0;
+	u32 isr_s2 = 0;
+	u32 isr_s2_dpp = 0;
+	u32 isr_s2_smmu = 0;
+	u32 mask = 0;
+
+	isr_s1 = readl(base + GLB_CPU_PDP_INTS);
+	isr_s2 = readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INTS);
+	isr_s2_dpp = readl(base + DPE_DPP_OFFSET + DPP_INTS);
+	isr_s2_smmu = readl(base + DPE_SMMU_OFFSET + SMMU_INTSTAT_NS);
+
+	writel(isr_s2_smmu, base + DPE_SMMU_OFFSET + SMMU_INTCLR_NS);
+	writel(isr_s2_dpp, base + DPE_DPP_OFFSET + DPP_INTS);
+	writel(isr_s2, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INTS);
+	writel(isr_s1, base + GLB_CPU_PDP_INTS);
+
+	isr_s1 &= ~(readl(base + GLB_CPU_PDP_INT_MSK));
+	isr_s2 &= ~(readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK));
+	isr_s2_dpp &= ~(readl(base + DPE_DPP_OFFSET + DPP_INT_MSK));
+
+	if (isr_s2 & BIT_VSYNC)
+		drm_crtc_handle_vblank(crtc);
+
+	if (isr_s2 & BIT_LDI_UNFLOW) {
+		mask = readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+		mask |= BIT_LDI_UNFLOW;
+		writel(mask, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+
+		DRM_ERROR("ldi underflow!\n");
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void *dpe_hw_ctx_alloc(struct platform_device *pdev,
+			      struct drm_crtc *crtc)
+{
+	struct dpe_hw_ctx *ctx = NULL;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = pdev->dev.of_node;
+	int ret = 0;
+
+	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx) {
+		DRM_ERROR("failed to alloc ade_hw_ctx\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	ctx->base = of_iomap(np, 0);
+	if (!(ctx->base)) {
+		DRM_ERROR("failed to get ade base resource.\n");
+		return ERR_PTR(-ENXIO);
+	}
+
+	ctx->noc_base = of_iomap(np, 4);
+	if (!(ctx->noc_base)) {
+		DRM_ERROR("failed to get noc_base  resource.\n");
+		return ERR_PTR(-ENXIO);
+	}
+
+	ctx->irq = irq_of_parse_and_map(np, 0);
+	if (ctx->irq <= 0) {
+		DRM_ERROR("failed to get irq_pdp resource.\n");
+		return ERR_PTR(-ENXIO);
+	}
+
+	DRM_INFO("dpe irq = %d.", ctx->irq);
+
+	ctx->dpe_mmbuf_clk = devm_clk_get(dev, "clk_dss_axi_mm");
+	if (!ctx->dpe_mmbuf_clk) {
+		DRM_ERROR("failed to parse dpe_mmbuf_clk\n");
+		return ERR_PTR(-ENODEV);
+	}
+
+	ctx->dpe_axi_clk = devm_clk_get(dev, "aclk_dss");
+	if (!ctx->dpe_axi_clk) {
+		DRM_ERROR("failed to parse dpe_axi_clk\n");
+		return ERR_PTR(-ENODEV);
+	}
+
+	ctx->dpe_pclk_clk = devm_clk_get(dev, "pclk_dss");
+	if (!ctx->dpe_pclk_clk) {
+		DRM_ERROR("failed to parse dpe_pclk_clk\n");
+		return ERR_PTR(-ENODEV);
+	}
+
+	ctx->dpe_pri_clk = devm_clk_get(dev, "clk_edc0");
+	if (!ctx->dpe_pri_clk) {
+		DRM_ERROR("failed to parse dpe_pri_clk\n");
+		return ERR_PTR(-ENODEV);
+	}
+
+	ret = clk_set_rate(ctx->dpe_pri_clk, DEFAULT_DPE_CORE_CLK_07V_RATE);
+	if (ret < 0) {
+		DRM_ERROR("dpe_pri_clk clk_set_rate(%lu) failed, error=%d!\n",
+			  DEFAULT_DPE_CORE_CLK_07V_RATE, ret);
+		return ERR_PTR(-EINVAL);
+	}
+
+	ctx->dpe_pxl0_clk = devm_clk_get(dev, "clk_ldi0");
+	if (!ctx->dpe_pxl0_clk) {
+		DRM_ERROR("failed to parse dpe_pxl0_clk\n");
+		return ERR_PTR(-ENODEV);
+	}
+
+	ret = clk_set_rate(ctx->dpe_pxl0_clk, DPE_MAX_PXL0_CLK_144M);
+	if (ret < 0) {
+		DRM_ERROR("dpe_pxl0_clk clk_set_rate(%lu) failed, error=%d!\n",
+			  DPE_MAX_PXL0_CLK_144M, ret);
+		return ERR_PTR(-EINVAL);
+	}
+
+	ctx->crtc = crtc;
+	ret = devm_request_irq(dev, ctx->irq, dpe_irq_handler, IRQF_SHARED,
+			       dev->driver->name, ctx);
+	if (ret)
+		return ERR_PTR(-EIO);
+
+	disable_irq(ctx->irq);
+
+	return ctx;
+}
+
+static void dpe_hw_ctx_cleanup(void *hw_ctx)
+{
+}
+
+extern void dsi_set_output_client(struct drm_device *dev);
+static void kirin_fbdev_output_poll_changed(struct drm_device *dev)
+{
+	dsi_set_output_client(dev);
+}
+
+static const struct drm_mode_config_funcs dpe_mode_config_funcs = {
+	.fb_create = drm_gem_fb_create,
+	.output_poll_changed = kirin_fbdev_output_poll_changed,
+	.atomic_check = drm_atomic_helper_check,
+	.atomic_commit = drm_atomic_helper_commit,
+};
+
+DEFINE_DRM_GEM_CMA_FOPS(kirin_drm_fops);
+static struct drm_driver dpe_driver = {
+	.driver_features	= DRIVER_GEM | DRIVER_MODESET |
+				  DRIVER_ATOMIC | DRIVER_RENDER,
+
+	.date			= "20170309",
+	.fops				= &kirin_drm_fops,
+	.gem_free_object_unlocked	= drm_gem_cma_free_object,
+	.gem_vm_ops		= &drm_gem_cma_vm_ops,
+	.dumb_create		= drm_gem_cma_dumb_create_internal,
+	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd,
+	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle,
+	.gem_prime_export	= drm_gem_prime_export,
+	.gem_prime_import	= drm_gem_prime_import,
+	.gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
+	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
+	.gem_prime_vmap		= drm_gem_cma_prime_vmap,
+	.gem_prime_vunmap	= drm_gem_cma_prime_vunmap,
+	.gem_prime_mmap		= drm_gem_cma_prime_mmap,
+
+	.name			= "kirin",
+	.desc			= "Hisilicon Kirin SoCs' DRM Driver",
+	.major			= 1,
+	.minor			= 0,
+};
+
+const struct kirin_drm_data dpe_driver_data = {
+	.num_planes = DPE_CH_NUM,
+	.prim_plane = DPE_CH0,
+
+	.channel_formats = dpe_channel_formats,
+	.channel_formats_cnt = ARRAY_SIZE(dpe_channel_formats),
+	.config_max_width = 4096,
+	.config_max_height = 4096,
+
+	.driver = &dpe_driver,
+
+	.crtc_helper_funcs = &dpe_crtc_helper_funcs,
+	.crtc_funcs = &dpe_crtc_funcs,
+	.plane_helper_funcs = &dpe_plane_helper_funcs,
+	.plane_funcs = &dpe_plane_funcs,
+	.mode_config_funcs = &dpe_mode_config_funcs,
+
+	.alloc_hw_ctx = dpe_hw_ctx_alloc,
+	.cleanup_hw_ctx = dpe_hw_ctx_cleanup,
+};
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index 4349da3..7a41b30c 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -293,9 +293,16 @@
 }
 
 static const struct of_device_id kirin_drm_dt_ids[] = {
+#ifdef CONFIG_DRM_HISI_KIRIN620
 	{ .compatible = "hisilicon,hi6220-ade",
 	  .data = &ade_driver_data,
 	},
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN960
+	{ .compatible = "hisilicon,hi3660-dpe",
+	  .data = &dpe_driver_data,
+	},
+#endif
 	{ /* end node */ },
 };
 MODULE_DEVICE_TABLE(of, kirin_drm_dt_ids);
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
index dee8ec2..4d9d462 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
@@ -52,6 +52,11 @@
 	void (*cleanup_hw_ctx)(void *hw_ctx);
 };
 
+#ifdef CONFIG_DRM_HISI_KIRIN620
 extern struct kirin_drm_data ade_driver_data;
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN960
+extern const struct kirin_drm_data dpe_driver_data;
+#endif
 
 #endif /* __KIRIN_DRM_DRV_H__ */
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c
new file mode 100644
index 0000000..f5ae667
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c
@@ -0,0 +1,424 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * DesignWare MIPI DSI Host Controller v1.02 driver
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * Author:
+ *	<shizongxuan@huawei.com>
+ *	<zhangxiubin@huawei.com>
+ *	<lvda3@hisilicon.com>
+ */
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_device.h>
+#include <drm/drm_encoder_slave.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_of.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_sysfs.h>
+
+#include "kirin_drm_dsi.h"
+#include "dw_dsi_reg.h"
+
+static struct kirin_dsi_ops *hisi_dsi_ops;
+
+void dsi_set_output_client(struct drm_device *dev)
+{
+	enum dsi_output_client client;
+	struct drm_connector *connector;
+	struct drm_encoder *encoder;
+	struct drm_connector_list_iter conn_iter;
+	struct dw_dsi *dsi;
+
+	mutex_lock(&dev->mode_config.mutex);
+
+	/* find dsi encoder */
+	drm_for_each_encoder(encoder, dev)
+		if (encoder->encoder_type == DRM_MODE_ENCODER_DSI)
+			break;
+	dsi = encoder_to_dsi(encoder);
+
+	/* find HDMI connector */
+	drm_connector_list_iter_begin(dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter)
+		if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)
+			break;
+	drm_connector_list_iter_end(&conn_iter);
+
+	/*
+	 * set the proper dsi output client
+	 */
+	client = connector->status == connector_status_connected ? OUT_HDMI :
+								   OUT_PANEL;
+	if (client != dsi->cur_client) {
+		/*
+		 * set the switch ic to select the HDMI or MIPI_DSI
+		 */
+		if (hisi_dsi_ops->version == KIRIN960_DSI)
+			gpiod_set_value_cansleep(dsi->gpio_mux, client);
+
+		dsi->cur_client = client;
+		/* let the userspace know panel connector status has changed */
+		drm_sysfs_hotplug_event(dev);
+		DRM_INFO("client change to %s\n",
+			 client == OUT_HDMI ? "HDMI" : "panel");
+	}
+
+	mutex_unlock(&dev->mode_config.mutex);
+}
+EXPORT_SYMBOL_GPL(dsi_set_output_client);
+/************************for the panel attach to dsi*****************************/
+static int dsi_connector_get_modes(struct drm_connector *connector)
+{
+	struct dw_dsi *dsi = connector_to_dsi(connector);
+
+	return drm_panel_get_modes(dsi->panel, connector);
+}
+
+static enum drm_mode_status
+dsi_connector_mode_valid(struct drm_connector *connector,
+			 struct drm_display_mode *mode)
+{
+	enum drm_mode_status mode_status = MODE_OK;
+
+	return mode_status;
+}
+
+static struct drm_encoder *
+dsi_connector_best_encoder(struct drm_connector *connector)
+{
+	struct dw_dsi *dsi = connector_to_dsi(connector);
+
+	return &dsi->encoder;
+}
+
+static struct drm_connector_helper_funcs dsi_connector_helper_funcs = {
+	.get_modes = dsi_connector_get_modes,
+	.mode_valid = dsi_connector_mode_valid,
+	.best_encoder = dsi_connector_best_encoder,
+};
+
+static enum drm_connector_status
+dsi_connector_detect(struct drm_connector *connector, bool force)
+{
+	struct dw_dsi *dsi = connector_to_dsi(connector);
+	enum drm_connector_status status;
+
+	status = dsi->cur_client == OUT_PANEL ? connector_status_connected :
+						connector_status_disconnected;
+
+	return status;
+}
+
+static void dsi_connector_destroy(struct drm_connector *connector)
+{
+	drm_connector_unregister(connector);
+	drm_connector_cleanup(connector);
+}
+
+static struct drm_connector_funcs dsi_atomic_connector_funcs = {
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.detect = dsi_connector_detect,
+	.destroy = dsi_connector_destroy,
+	.reset = drm_atomic_helper_connector_reset,
+	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int dsi_connector_init(struct drm_device *dev, struct dw_dsi *dsi)
+{
+	struct drm_encoder *encoder = &dsi->encoder;
+	struct drm_connector *connector = &dsi->connector;
+	int ret;
+
+	connector->polled = DRM_CONNECTOR_POLL_HPD;
+	drm_connector_helper_add(connector, &dsi_connector_helper_funcs);
+
+	ret = drm_connector_init(dev, &dsi->connector,
+				 &dsi_atomic_connector_funcs,
+				 DRM_MODE_CONNECTOR_DSI);
+	if (ret)
+		return ret;
+
+	ret = drm_connector_attach_encoder(connector, encoder);
+	if (ret)
+		return ret;
+
+	DRM_INFO("connector init\n");
+	return 0;
+}
+
+/****************************************************************************/
+
+/***************************for the encoder_helper_funcs****************************************/
+static const struct drm_encoder_funcs dw_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
+static int dsi_encoder_atomic_check(struct drm_encoder *encoder,
+				    struct drm_crtc_state *crtc_state,
+				    struct drm_connector_state *conn_state)
+{
+	/* do nothing */
+	return 0;
+}
+
+static enum drm_mode_status
+dsi_encoder_mode_valid(struct drm_encoder *encoder,
+		       const struct drm_display_mode *mode)
+
+{
+	return hisi_dsi_ops->encoder_valid(encoder, mode);
+}
+
+static void dsi_encoder_mode_set(struct drm_encoder *encoder,
+				 struct drm_display_mode *mode,
+				 struct drm_display_mode *adj_mode)
+{
+	struct dw_dsi *dsi = encoder_to_dsi(encoder);
+
+	drm_mode_copy(&dsi->cur_mode, adj_mode);
+}
+
+static void dsi_encoder_enable(struct drm_encoder *encoder)
+{
+	struct dw_dsi *dsi = encoder_to_dsi(encoder);
+
+	if (dsi->enable)
+		return;
+
+	hisi_dsi_ops->encoder_enable(encoder);
+
+	if (hisi_dsi_ops->version == KIRIN960_DSI) {
+		/* turn on panel */
+		if (dsi->panel && drm_panel_prepare(dsi->panel))
+			DRM_ERROR("failed to prepare panel\n");
+
+		/*dw_dsi_set_mode(dsi, DSI_VIDEO_MODE);*/
+
+		/* turn on panel's back light */
+		if (dsi->panel && drm_panel_enable(dsi->panel))
+			DRM_ERROR("failed to enable panel\n");
+	}
+
+	dsi->enable = true;
+}
+
+static void dw_dsi_set_mode(struct dw_dsi *dsi, enum dsi_work_mode mode)
+{
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+	void __iomem *base = ctx->base;
+
+	writel(RESET, base + PWR_UP);
+	writel(mode, base + MODE_CFG);
+	writel(POWERUP, base + PWR_UP);
+}
+
+static void dsi_encoder_disable(struct drm_encoder *encoder)
+{
+	struct dw_dsi *dsi = encoder_to_dsi(encoder);
+	struct dsi_hw_ctx *ctx = dsi->ctx;
+
+	if (!dsi->enable)
+		return;
+
+	dw_dsi_set_mode(dsi, DSI_COMMAND_MODE);
+
+	if (hisi_dsi_ops->version == KIRIN960_DSI) {
+		/* turn off panel's backlight */
+		if (dsi->panel && drm_panel_disable(dsi->panel))
+			DRM_ERROR("failed to disable panel\n");
+
+		/* turn off panel */
+		if (dsi->panel && drm_panel_unprepare(dsi->panel))
+			DRM_ERROR("failed to unprepare panel\n");
+
+		clk_disable_unprepare(ctx->dss_dphy0_ref_clk);
+		clk_disable_unprepare(ctx->dss_dphy0_cfg_clk);
+		clk_disable_unprepare(ctx->dss_pclk_dsi0_clk);
+	}
+
+	dsi->enable = false;
+}
+
+static const struct drm_encoder_helper_funcs dw_encoder_helper_funcs = {
+	.atomic_check = dsi_encoder_atomic_check,
+	.mode_valid = dsi_encoder_mode_valid,
+	.mode_set = dsi_encoder_mode_set,
+	.enable = dsi_encoder_enable,
+	.disable = dsi_encoder_disable
+};
+
+/****************************************************************************/
+static int dsi_bridge_init(struct drm_device *dev, struct dw_dsi *dsi)
+{
+	struct drm_encoder *encoder = &dsi->encoder;
+	struct drm_bridge *bridge = dsi->bridge;
+	int ret;
+
+	/* associate the bridge to dsi encoder */
+	ret = drm_bridge_attach(encoder, bridge, NULL, 0);
+
+	if (ret) {
+		DRM_ERROR("failed to attach external bridge\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int dw_drm_encoder_init(struct device *dev, struct drm_device *drm_dev,
+			       struct drm_encoder *encoder)
+{
+	int ret;
+	u32 crtc_mask = drm_of_find_possible_crtcs(drm_dev, dev->of_node);
+
+	if (!crtc_mask) {
+		DRM_ERROR("failed to find crtc mask\n");
+		return -EINVAL;
+	}
+
+	encoder->possible_crtcs = crtc_mask;
+	ret = drm_encoder_init(drm_dev, encoder, &dw_encoder_funcs,
+			       DRM_MODE_ENCODER_DSI, NULL);
+	if (ret) {
+		DRM_ERROR("failed to init dsi encoder\n");
+		return ret;
+	}
+
+	drm_encoder_helper_add(encoder, &dw_encoder_helper_funcs);
+
+	return 0;
+}
+
+static int dsi_bind(struct device *dev, struct device *master, void *data)
+{
+	struct dsi_data *ddata = dev_get_drvdata(dev);
+	struct dw_dsi *dsi = &ddata->dsi;
+	struct drm_device *drm_dev = data;
+	int ret;
+
+	DRM_INFO("+.\n");
+	ret = dw_drm_encoder_init(dev, drm_dev, &dsi->encoder);
+	if (ret)
+		return ret;
+
+	if (dsi->bridge) {
+		ret = dsi_bridge_init(drm_dev, dsi);
+		if (ret)
+			return ret;
+	}
+
+	if (hisi_dsi_ops->version == KIRIN960_DSI) {
+		if (dsi->panel) {
+			ret = dsi_connector_init(drm_dev, dsi);
+			if (ret)
+				return ret;
+		}
+	} else if (hisi_dsi_ops->version == KIRIN620_DSI) {
+		/*the panel for the kirin620 drm have not support*/
+	}
+
+	DRM_INFO("-.\n");
+	return 0;
+}
+
+static void dsi_unbind(struct device *dev, struct device *master, void *data)
+{
+	/* do nothing */
+}
+
+static const struct component_ops dsi_ops = {
+	.bind = dsi_bind,
+	.unbind = dsi_unbind,
+};
+
+static int dsi_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct dsi_data *data;
+	struct dw_dsi *dsi;
+	struct dsi_hw_ctx *ctx;
+	int ret;
+
+	hisi_dsi_ops = (struct kirin_dsi_ops *)of_device_get_match_data(dev);
+
+	DRM_INFO("+.\n");
+	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+	if (!data) {
+		DRM_ERROR("failed to allocate dsi data.\n");
+		return -ENOMEM;
+	}
+	dsi = &data->dsi;
+	ctx = &data->ctx;
+	dsi->ctx = ctx;
+
+	if (hisi_dsi_ops == NULL)
+		DRM_ERROR("hisi_dsi_ops is not bind\n");
+	ret = hisi_dsi_ops->host_init(dev, dsi);
+	if (ret)
+		return ret;
+
+	ret = hisi_dsi_ops->parse_dt(pdev, dsi);
+	if (ret)
+		goto err_host_unregister;
+
+	platform_set_drvdata(pdev, data);
+
+	ret = component_add(dev, &dsi_ops);
+	if (ret)
+		goto err_host_unregister;
+
+	DRM_INFO("-.\n");
+	return 0;
+
+err_host_unregister:
+	mipi_dsi_host_unregister(&dsi->host);
+	return ret;
+}
+
+static int dsi_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &dsi_ops);
+
+	return 0;
+}
+
+static const struct of_device_id dsi_of_match[] = {
+#ifdef CONFIG_DRM_HISI_KIRIN960
+	{
+		.compatible = "hisilicon,hi3660-dsi",
+		.data = &kirin_dsi_960,
+	},
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN620
+	{
+		.compatible = "hisilicon,hi6220-dsi",
+		.data = &kirin_dsi_620,
+	},
+#endif
+	{ /* end node */ }
+};
+MODULE_DEVICE_TABLE(of, dsi_of_match);
+
+static struct platform_driver dsi_driver = {
+	.probe = dsi_probe,
+	.remove = dsi_remove,
+	.driver = {
+		.name = "dw-dsi",
+		.of_match_table = dsi_of_match,
+	},
+};
+
+module_platform_driver(dsi_driver);
+
+MODULE_DESCRIPTION("DesignWare MIPI DSI Host Controller v1.02 driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.h
new file mode 100644
index 0000000..08f353f
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.h
@@ -0,0 +1,253 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KIRIN_DRM_DSI_H__
+#define __KIRIN_DRM_DSI_H__
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/of_graph.h>
+#include <linux/iopoll.h>
+#include <video/mipi_display.h>
+#include <linux/gpio/consumer.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+
+#include <drm/drm_of.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_encoder_slave.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_panel.h>
+
+#define ROUND(x, y) ((x) / (y) + ((x) % (y) * 10 / (y) >= 5 ? 1 : 0))
+#define PHY_REF_CLK_RATE 19200000
+#define PHY_REF_CLK_PERIOD_PS (1000000000 / (PHY_REF_CLK_RATE / 1000))
+
+#define encoder_to_dsi(encoder) container_of(encoder, struct dw_dsi, encoder)
+#define host_to_dsi(host) container_of(host, struct dw_dsi, host)
+#define connector_to_dsi(connector)                                            \
+	container_of(connector, struct dw_dsi, connector)
+
+enum dsi_output_client { OUT_HDMI = 0, OUT_PANEL, OUT_MAX };
+
+struct dsi_phy_range {
+	u32 min_range_kHz;
+	u32 max_range_kHz;
+	u32 pll_vco_750M;
+	u32 hstx_ckg_sel;
+};
+
+static const struct dsi_phy_range dphy_range_info[] = {
+	{   46875,    62500,   1,    7 },
+	{   62500,    93750,   0,    7 },
+	{   93750,   125000,   1,    6 },
+	{  125000,   187500,   0,    6 },
+	{  187500,   250000,   1,    5 },
+	{  250000,   375000,   0,    5 },
+	{  375000,   500000,   1,    4 },
+	{  500000,   750000,   0,    4 },
+	{  750000,  1000000,   1,    0 },
+	{ 1000000,  1500000,   0,    0 }
+};
+
+struct dsi_hw_ctx {
+	void __iomem *base;
+	char __iomem *peri_crg_base;
+
+	struct clk *pclk;
+	struct clk *dss_dphy0_ref_clk;
+	struct clk *dss_dphy1_ref_clk;
+	struct clk *dss_dphy0_cfg_clk;
+	struct clk *dss_dphy1_cfg_clk;
+	struct clk *dss_pclk_dsi0_clk;
+	struct clk *dss_pclk_dsi1_clk;
+};
+
+struct mipi_panel_info {
+	u8 dsi_version;
+	u8 vc;
+	u8 lane_nums;
+	u8 lane_nums_select_support;
+	u8 color_mode;
+	u32 dsi_bit_clk; /* clock lane(p/n) */
+	u32 burst_mode;
+	u32 max_tx_esc_clk;
+	u8 non_continue_en;
+
+	u32 dsi_bit_clk_val1;
+	u32 dsi_bit_clk_val2;
+	u32 dsi_bit_clk_val3;
+	u32 dsi_bit_clk_val4;
+	u32 dsi_bit_clk_val5;
+	u32 dsi_bit_clk_upt;
+	/*uint32_t dsi_pclk_rate;*/
+
+	u32 hs_wr_to_time;
+
+	/* dphy config parameter adjust*/
+	u32 clk_post_adjust;
+	u32 clk_pre_adjust;
+	u32 clk_pre_delay_adjust;
+	u32 clk_t_hs_exit_adjust;
+	u32 clk_t_hs_trial_adjust;
+	u32 clk_t_hs_prepare_adjust;
+	int clk_t_lpx_adjust;
+	u32 clk_t_hs_zero_adjust;
+	u32 data_post_delay_adjust;
+	int data_t_lpx_adjust;
+	u32 data_t_hs_prepare_adjust;
+	u32 data_t_hs_zero_adjust;
+	u32 data_t_hs_trial_adjust;
+	u32 rg_vrefsel_vcm_adjust;
+
+	/*only for Chicago<3660> use*/
+	u32 rg_vrefsel_vcm_clk_adjust;
+	u32 rg_vrefsel_vcm_data_adjust;
+};
+
+struct mipi_phy_params {
+	u32 clk_t_lpx;
+	u32 clk_t_hs_prepare;
+	u32 clk_t_hs_zero;
+	u32 clk_t_hs_trial;
+	u32 clk_t_wakeup;
+	u32 data_t_lpx;
+	u32 data_t_hs_prepare;
+	u32 data_t_hs_zero;
+	u32 data_t_hs_trial;
+	u32 data_t_ta_go;
+	u32 data_t_ta_get;
+	u32 data_t_wakeup;
+	u32 hstx_ckg_sel;
+	u32 pll_fbd_div5f;
+	u32 pll_fbd_div1f;
+	u32 pll_fbd_2p;
+	u32 pll_enbwt;
+	u32 pll_fbd_p;
+	u32 pll_fbd_s;
+	u32 pll_pre_div1p;
+	u32 pll_pre_p;
+	u32 pll_vco_750M;
+	u32 pll_lpf_rs;
+	u32 pll_lpf_cs;
+	u32 clk_division;
+	/********for hikey620************/
+	u32 clklp2hs_time;
+	u32 clkhs2lp_time;
+	u32 lp2hs_time;
+	u32 hs2lp_time;
+	u32 clk_to_data_delay;
+	u32 data_to_clk_delay;
+	u32 lane_byte_clk_kHz;
+	/*****************/
+
+	/****for hikey960*****/
+	u64 lane_byte_clk;
+
+	u32 clk_lane_lp2hs_time;
+	u32 clk_lane_hs2lp_time;
+	u32 data_lane_lp2hs_time;
+	u32 data_lane_hs2lp_time;
+	u32 clk2data_delay;
+	u32 data2clk_delay;
+
+	u32 clk_pre_delay;
+	u32 clk_post_delay;
+	u32 data_pre_delay;
+	u32 data_post_delay;
+	u32 phy_stop_wait_time;
+	u32 rg_vrefsel_vcm;
+
+	u32 rg_pll_enswc;
+	u32 rg_pll_chp;
+
+	u32 pll_register_override;		/*0x1E[0]*/
+	u32 pll_power_down;			/*0x1E[1]*/
+	u32 rg_band_sel;				/*0x1E[2]*/
+	u32 rg_phase_gen_en;		/*0x1E[3]*/
+	u32 reload_sel;				/*0x1E[4]*/
+	u32 rg_pll_cp_p;				/*0x1E[7:5]*/
+	u32 rg_pll_refsel;				/*0x16[1:0]*/
+	u32 rg_pll_cp;				/*0x16[7:5]*/
+	u32 load_command;
+	/*********/
+};
+
+struct ldi_panel_info {
+	u32 h_back_porch;
+	u32 h_front_porch;
+	u32 h_pulse_width;
+
+	/*
+	 * note: vbp > 8 if used overlay compose,
+	 * also lcd vbp > 8 in lcd power on sequence
+	 */
+	u32 v_back_porch;
+	u32 v_front_porch;
+	u32 v_pulse_width;
+
+	u8 hsync_plr;
+	u8 vsync_plr;
+	u8 pixelclk_plr;
+	u8 data_en_plr;
+
+	/* for cabc */
+	u8 dpi0_overlap_size;
+	u8 dpi1_overlap_size;
+};
+
+struct dw_dsi_client {
+	u32 lanes;
+	u32 phy_clock; /* in kHz */
+	enum mipi_dsi_pixel_format format;
+	unsigned long mode_flags;
+};
+
+struct dw_dsi {
+	struct drm_encoder encoder;
+	struct drm_bridge *bridge;
+	struct drm_panel *panel;
+	struct mipi_dsi_host host;
+	struct drm_connector connector; /* connector for panel */
+	struct drm_display_mode cur_mode;
+	struct dsi_hw_ctx *ctx;
+	struct mipi_phy_params phy;
+	struct mipi_panel_info mipi;
+	struct ldi_panel_info ldi;
+	u32 lanes;
+	enum mipi_dsi_pixel_format format;
+	unsigned long mode_flags;
+	struct gpio_desc *gpio_mux;
+	struct dw_dsi_client client[OUT_MAX];
+	enum dsi_output_client cur_client;
+	bool enable;
+};
+
+struct dsi_data {
+	struct dw_dsi dsi;
+	struct dsi_hw_ctx ctx;
+};
+
+enum kirin_dsi_version {
+	KIRIN620_DSI = 0,
+	KIRIN960_DSI
+};
+
+/* display controller init/cleanup ops */
+struct kirin_dsi_ops {
+	enum kirin_dsi_version version;
+	int (*parse_dt)(struct platform_device *pdev, struct dw_dsi *dsi);
+	int (*host_init)(struct device *dev, struct dw_dsi *dsi);
+	void (*encoder_enable)(struct drm_encoder *encoder);
+	enum drm_mode_status (*encoder_valid)(
+		struct drm_encoder *encoder,
+		const struct drm_display_mode *mode);
+};
+
+#ifdef CONFIG_DRM_HISI_KIRIN960
+extern const struct kirin_dsi_ops kirin_dsi_960;
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN620
+extern const struct kirin_dsi_ops kirin_dsi_620;
+#endif
+
+#endif /* __KIRIN_DRM_DSI_H__ */
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_internal.c b/drivers/gpu/drm/i915/gem/i915_gem_internal.c
index ad22f425..4b7afa0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_internal.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_internal.c
@@ -42,7 +42,7 @@
 
 	max_order = MAX_ORDER;
 #ifdef CONFIG_SWIOTLB
-	if (swiotlb_nr_tbl()) {
+	if (is_swiotlb_active(obj->base.dev->dev)) {
 		unsigned int max_segment;
 
 		max_segment = swiotlb_max_segment();
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index b81390d..becefff 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -139,7 +139,6 @@
 static const struct iommu_flush_ops null_tlb_ops = {
 	.tlb_flush_all = msm_iommu_tlb_flush_all,
 	.tlb_flush_walk = msm_iommu_tlb_flush_walk,
-	.tlb_flush_leaf = msm_iommu_tlb_flush_walk,
 	.tlb_add_page = msm_iommu_tlb_add_page,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 7633f56..4714f4a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1339,7 +1339,7 @@
 #endif
 
 #if IS_ENABLED(CONFIG_SWIOTLB) && IS_ENABLED(CONFIG_X86)
-	if (swiotlb_nr_tbl()) {
+	if (is_swiotlb_active(dev)) {
 		return ttm_dma_populate((void *)ttm, dev, ctx);
 	}
 #endif
@@ -1369,7 +1369,7 @@
 #endif
 
 #if IS_ENABLED(CONFIG_SWIOTLB) && IS_ENABLED(CONFIG_X86)
-	if (swiotlb_nr_tbl()) {
+	if (is_swiotlb_active(dev)) {
 		ttm_dma_unpopulate((void *)ttm, dev);
 		return;
 	}
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index c81f3ac..7ab916a 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -341,16 +341,9 @@
 	mmu_tlb_sync_context(cookie);
 }
 
-static void mmu_tlb_flush_leaf(unsigned long iova, size_t size, size_t granule,
-			       void *cookie)
-{
-	mmu_tlb_sync_context(cookie);
-}
-
 static const struct iommu_flush_ops mmu_tlb_ops = {
 	.tlb_flush_all	= mmu_tlb_inv_context_s1,
 	.tlb_flush_walk = mmu_tlb_flush_walk,
-	.tlb_flush_leaf = mmu_tlb_flush_leaf,
 };
 
 static struct panfrost_gem_mapping *
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index a65cb34..93e2794 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -658,7 +658,7 @@
 #endif
 
 #ifdef CONFIG_SWIOTLB
-	if (rdev->need_swiotlb && swiotlb_nr_tbl()) {
+	if (rdev->need_swiotlb && is_swiotlb_active(rdev->dev)) {
 		return ttm_dma_populate(&gtt->ttm, rdev->dev, ctx);
 	}
 #endif
@@ -689,7 +689,7 @@
 #endif
 
 #ifdef CONFIG_SWIOTLB
-	if (rdev->need_swiotlb && swiotlb_nr_tbl()) {
+	if (rdev->need_swiotlb && is_swiotlb_active(rdev->dev)) {
 		ttm_dma_unpopulate(&gtt->ttm, rdev->dev);
 		return;
 	}
@@ -1100,7 +1100,7 @@
 	count = ARRAY_SIZE(radeon_ttm_debugfs_list);
 
 #ifdef CONFIG_SWIOTLB
-	if (!(rdev->need_swiotlb && swiotlb_nr_tbl()))
+	if (!(rdev->need_swiotlb && is_swiotlb_active(rdev->dev)))
 		--count;
 #endif
 
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index 9b2b99e..6516f60 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -298,10 +298,6 @@
 	struct virtio_gpu_framebuffer *virtio_gpu_fb;
 	int ret;
 
-	if (mode_cmd->pixel_format != DRM_FORMAT_HOST_XRGB8888 &&
-	    mode_cmd->pixel_format != DRM_FORMAT_HOST_ARGB8888)
-		return ERR_PTR(-ENOENT);
-
 	/* lookup object associated with res handle */
 	obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
 	if (!obj)
@@ -335,7 +331,6 @@
 	if (ret)
 		return ret;
 
-	vgdev->ddev->mode_config.quirk_addfb_prefer_host_byte_order = true;
 	vgdev->ddev->mode_config.funcs = &virtio_gpu_mode_funcs;
 
 	/* modes will be validated against the framebuffer size */
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index e6de627..9028ba6 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -31,7 +31,14 @@
 #include "virtgpu_drv.h"
 
 static const uint32_t virtio_gpu_formats[] = {
-	DRM_FORMAT_HOST_XRGB8888,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_BGRX8888,
+	DRM_FORMAT_BGRA8888,
+	DRM_FORMAT_RGBX8888,
+	DRM_FORMAT_RGBA8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_ABGR8888,
 };
 
 static const uint32_t virtio_gpu_cursor_formats[] = {
@@ -43,6 +50,32 @@
 	uint32_t format;
 
 	switch (drm_fourcc) {
+#ifdef __BIG_ENDIAN
+	case DRM_FORMAT_XRGB8888:
+		format = VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM;
+		break;
+	case DRM_FORMAT_ARGB8888:
+		format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
+		break;
+	case DRM_FORMAT_BGRX8888:
+		format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
+		break;
+	case DRM_FORMAT_BGRA8888:
+		format = VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM;
+		break;
+	case DRM_FORMAT_RGBX8888:
+		format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
+		break;
+	case DRM_FORMAT_RGBA8888:
+		format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
+		break;
+	case DRM_FORMAT_XBGR8888:
+		format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
+		break;
+	case DRM_FORMAT_ABGR8888:
+		format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
+		break;
+#else
 	case DRM_FORMAT_XRGB8888:
 		format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
 		break;
@@ -55,6 +88,19 @@
 	case DRM_FORMAT_BGRA8888:
 		format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
 		break;
+	case DRM_FORMAT_RGBX8888:
+		format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
+		break;
+	case DRM_FORMAT_RGBA8888:
+		format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
+		break;
+	case DRM_FORMAT_XBGR8888:
+		format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
+		break;
+	case DRM_FORMAT_ABGR8888:
+		format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
+		break;
+#endif
 	default:
 		/*
 		 * This should not happen, we handle everything listed
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index f8ad3b2..f5dc693 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -719,6 +719,17 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called hid-multitouch.
 
+config HID_NINTENDO
+	tristate "Nintendo Joy-Con and Pro Controller support"
+	depends on HID
+	help
+	Adds support for the Nintendo Switch Joy-Cons and Pro Controller.
+	All controllers support bluetooth, and the Pro Controller also supports
+	its USB mode.
+
+	To compile this driver as a module, choose M here: the
+	module will be called hid-nintendo.
+
 config HID_NTI
 	tristate "NTI keyboard adapters"
 	help
@@ -853,6 +864,24 @@
 
 	  Say M here if you may ever plug in a Plantronics USB audio device.
 
+config HID_PLAYSTATION
+	tristate "PlayStation HID Driver"
+	depends on HID
+	select CRC32
+	select POWER_SUPPLY
+	help
+	  Provides support for Sony PS5 controllers including support for
+	  its special functionalities e.g. touchpad, lights and motion
+	  sensors.
+
+config PLAYSTATION_FF
+	bool "PlayStation force feedback support"
+	depends on HID_PLAYSTATION
+	select INPUT_FF_MEMLESS
+	help
+	  Say Y here if you would like to enable force feedback support for
+	  PlayStation game controllers.
+
 config HID_PRIMAX
 	tristate "Primax non-fully HID-compliant devices"
 	depends on HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 4acb583c9..d450259 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -77,6 +77,7 @@
 obj-$(CONFIG_HID_MICROSOFT)	+= hid-microsoft.o
 obj-$(CONFIG_HID_MONTEREY)	+= hid-monterey.o
 obj-$(CONFIG_HID_MULTITOUCH)	+= hid-multitouch.o
+obj-$(CONFIG_HID_NINTENDO)	+= hid-nintendo.o
 obj-$(CONFIG_HID_NTI)			+= hid-nti.o
 obj-$(CONFIG_HID_NTRIG)		+= hid-ntrig.o
 obj-$(CONFIG_HID_ORTEK)		+= hid-ortek.o
@@ -94,6 +95,7 @@
 hid-picolcd-$(CONFIG_DEBUG_FS)		+= hid-picolcd_debugfs.o
 
 obj-$(CONFIG_HID_PLANTRONICS)	+= hid-plantronics.o
+obj-$(CONFIG_HID_PLAYSTATION)	+= hid-playstation.o
 obj-$(CONFIG_HID_PRIMAX)	+= hid-primax.o
 obj-$(CONFIG_HID_REDRAGON)	+= hid-redragon.o
 obj-$(CONFIG_HID_RETRODE)	+= hid-retrode.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 476967a..b007074 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -32,6 +32,7 @@
 #include <linux/hiddev.h>
 #include <linux/hid-debug.h>
 #include <linux/hidraw.h>
+#include <linux/uhid.h>
 
 #include "hid-ids.h"
 
@@ -289,8 +290,8 @@
 	offset = report->size;
 	report->size += parser->global.report_size * parser->global.report_count;
 
-	if (parser->device->ll_driver->max_buffer_size)
-		max_buffer_size = parser->device->ll_driver->max_buffer_size;
+	if (IS_ENABLED(CONFIG_UHID) && parser->device->ll_driver == &uhid_hid_driver)
+		max_buffer_size = UHID_DATA_MAX;
 
 	/* Total size check: Allow for possible report index byte */
 	if (report->size > (max_buffer_size - 1) << 3) {
@@ -702,20 +703,13 @@
  * Free a device structure, all reports, and all fields.
  */
 
-void hiddev_free(struct kref *ref)
-{
-	struct hid_device *hid = container_of(ref, struct hid_device, ref);
-
-	hid_close_report(hid);
-	kfree(hid->dev_rdesc);
-	kfree(hid);
-}
-
 static void hid_device_release(struct device *dev)
 {
 	struct hid_device *hid = to_hid_device(dev);
 
-	kref_put(&hid->ref, hiddev_free);
+	hid_close_report(hid);
+	kfree(hid->dev_rdesc);
+	kfree(hid);
 }
 
 /*
@@ -1780,8 +1774,8 @@
 
 	rsize = hid_compute_report_size(report);
 
-	if (hid->ll_driver->max_buffer_size)
-		max_buffer_size = hid->ll_driver->max_buffer_size;
+	if (IS_ENABLED(CONFIG_UHID) && hid->ll_driver == &uhid_hid_driver)
+		max_buffer_size = UHID_DATA_MAX;
 
 	if (report_enum->numbered && rsize >= max_buffer_size)
 		rsize = max_buffer_size - 1;
@@ -2451,12 +2445,10 @@
 			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
 	}
 
-	hdev->id = atomic_inc_return(&id);
-
 	/* XXX hack, any other cleaner solution after the driver core
 	 * is converted to allow more than 20 bytes as the device name? */
 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
-		     hdev->vendor, hdev->product, hdev->id);
+		     hdev->vendor, hdev->product, atomic_inc_return(&id));
 
 	hid_debug_register(hdev, dev_name(&hdev->dev));
 	ret = device_add(&hdev->dev);
@@ -2499,7 +2491,6 @@
 	spin_lock_init(&hdev->debug_list_lock);
 	sema_init(&hdev->driver_input_lock, 1);
 	mutex_init(&hdev->ll_open_lock);
-	kref_init(&hdev->ref);
 
 	return hdev;
 }
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 81da80f..1f60a38 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -1082,7 +1082,6 @@
 		goto out;
 	}
 	list->hdev = (struct hid_device *) inode->i_private;
-	kref_get(&list->hdev->ref);
 	file->private_data = list;
 	mutex_init(&list->read_mutex);
 
@@ -1175,8 +1174,6 @@
 	list_del(&list->node);
 	spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags);
 	kfifo_free(&list->hid_debug_fifo);
-
-	kref_put(&list->hdev->ref, hiddev_free);
 	kfree(list);
 
 	return 0;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 6273ab6..f24d4c9 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -910,6 +910,9 @@
 #define USB_VENDOR_ID_NINTENDO		0x057e
 #define USB_DEVICE_ID_NINTENDO_WIIMOTE	0x0306
 #define USB_DEVICE_ID_NINTENDO_WIIMOTE2	0x0330
+#define USB_DEVICE_ID_NINTENDO_JOYCONL	0x2006
+#define USB_DEVICE_ID_NINTENDO_JOYCONR	0x2007
+#define USB_DEVICE_ID_NINTENDO_PROCON	0x2009
 
 #define USB_VENDOR_ID_NOVATEK		0x0603
 #define USB_DEVICE_ID_NOVATEK_PCT	0x0600
@@ -1094,6 +1097,8 @@
 #define USB_DEVICE_ID_SONY_PS4_CONTROLLER	0x05c4
 #define USB_DEVICE_ID_SONY_PS4_CONTROLLER_2	0x09cc
 #define USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE	0x0ba0
+#define USB_DEVICE_ID_SONY_PS5_CONTROLLER	0x0ce6
+#define USB_DEVICE_ID_SONY_PS5_CONTROLLER_2	0x0df2
 #define USB_DEVICE_ID_SONY_MOTION_CONTROLLER	0x03d5
 #define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER	0x042f
 #define USB_DEVICE_ID_SONY_BUZZ_CONTROLLER		0x0002
diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
new file mode 100644
index 0000000..3695b96
--- /dev/null
+++ b/drivers/hid/hid-nintendo.c
@@ -0,0 +1,820 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * HID driver for Nintendo Switch Joy-Cons and Pro Controllers
+ *
+ * Copyright (c) 2019 Daniel J. Ogorchock <djogorchock@gmail.com>
+ *
+ * The following resources/projects were referenced for this driver:
+ *   https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+ *   https://gitlab.com/pjranki/joycon-linux-kernel (Peter Rankin)
+ *   https://github.com/FrotBot/SwitchProConLinuxUSB
+ *   https://github.com/MTCKC/ProconXInput
+ *   hid-wiimote kernel hid driver
+ *   hid-logitech-hidpp driver
+ *
+ * This driver supports the Nintendo Switch Joy-Cons and Pro Controllers. The
+ * Pro Controllers can either be used over USB or Bluetooth.
+ *
+ * The driver will retrieve the factory calibration info from the controllers,
+ * so little to no user calibration should be required.
+ *
+ */
+
+#include "hid-ids.h"
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+
+/*
+ * Reference the url below for the following HID report defines:
+ * https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+ */
+
+/* Output Reports */
+static const u8 JC_OUTPUT_RUMBLE_AND_SUBCMD	= 0x01;
+static const u8 JC_OUTPUT_FW_UPDATE_PKT		= 0x03;
+static const u8 JC_OUTPUT_RUMBLE_ONLY		= 0x10;
+static const u8 JC_OUTPUT_MCU_DATA		= 0x11;
+static const u8 JC_OUTPUT_USB_CMD		= 0x80;
+
+/* Subcommand IDs */
+static const u8 JC_SUBCMD_STATE			/*= 0x00*/;
+static const u8 JC_SUBCMD_MANUAL_BT_PAIRING	= 0x01;
+static const u8 JC_SUBCMD_REQ_DEV_INFO		= 0x02;
+static const u8 JC_SUBCMD_SET_REPORT_MODE	= 0x03;
+static const u8 JC_SUBCMD_TRIGGERS_ELAPSED	= 0x04;
+static const u8 JC_SUBCMD_GET_PAGE_LIST_STATE	= 0x05;
+static const u8 JC_SUBCMD_SET_HCI_STATE		= 0x06;
+static const u8 JC_SUBCMD_RESET_PAIRING_INFO	= 0x07;
+static const u8 JC_SUBCMD_LOW_POWER_MODE	= 0x08;
+static const u8 JC_SUBCMD_SPI_FLASH_READ	= 0x10;
+static const u8 JC_SUBCMD_SPI_FLASH_WRITE	= 0x11;
+static const u8 JC_SUBCMD_RESET_MCU		= 0x20;
+static const u8 JC_SUBCMD_SET_MCU_CONFIG	= 0x21;
+static const u8 JC_SUBCMD_SET_MCU_STATE		= 0x22;
+static const u8 JC_SUBCMD_SET_PLAYER_LIGHTS	= 0x30;
+static const u8 JC_SUBCMD_GET_PLAYER_LIGHTS	= 0x31;
+static const u8 JC_SUBCMD_SET_HOME_LIGHT	= 0x38;
+static const u8 JC_SUBCMD_ENABLE_IMU		= 0x40;
+static const u8 JC_SUBCMD_SET_IMU_SENSITIVITY	= 0x41;
+static const u8 JC_SUBCMD_WRITE_IMU_REG		= 0x42;
+static const u8 JC_SUBCMD_READ_IMU_REG		= 0x43;
+static const u8 JC_SUBCMD_ENABLE_VIBRATION	= 0x48;
+static const u8 JC_SUBCMD_GET_REGULATED_VOLTAGE	= 0x50;
+
+/* Input Reports */
+static const u8 JC_INPUT_BUTTON_EVENT		= 0x3F;
+static const u8 JC_INPUT_SUBCMD_REPLY		= 0x21;
+static const u8 JC_INPUT_IMU_DATA		= 0x30;
+static const u8 JC_INPUT_MCU_DATA		= 0x31;
+static const u8 JC_INPUT_USB_RESPONSE		= 0x81;
+
+/* Feature Reports */
+static const u8 JC_FEATURE_LAST_SUBCMD		= 0x02;
+static const u8 JC_FEATURE_OTA_FW_UPGRADE	= 0x70;
+static const u8 JC_FEATURE_SETUP_MEM_READ	= 0x71;
+static const u8 JC_FEATURE_MEM_READ		= 0x72;
+static const u8 JC_FEATURE_ERASE_MEM_SECTOR	= 0x73;
+static const u8 JC_FEATURE_MEM_WRITE		= 0x74;
+static const u8 JC_FEATURE_LAUNCH		= 0x75;
+
+/* USB Commands */
+static const u8 JC_USB_CMD_CONN_STATUS		= 0x01;
+static const u8 JC_USB_CMD_HANDSHAKE		= 0x02;
+static const u8 JC_USB_CMD_BAUDRATE_3M		= 0x03;
+static const u8 JC_USB_CMD_NO_TIMEOUT		= 0x04;
+static const u8 JC_USB_CMD_EN_TIMEOUT		= 0x05;
+static const u8 JC_USB_RESET			= 0x06;
+static const u8 JC_USB_PRE_HANDSHAKE		= 0x91;
+static const u8 JC_USB_SEND_UART		= 0x92;
+
+/* SPI storage addresses of factory calibration data */
+static const u16 JC_CAL_DATA_START		= 0x603d;
+static const u16 JC_CAL_DATA_END		= 0x604e;
+#define JC_CAL_DATA_SIZE	(JC_CAL_DATA_END - JC_CAL_DATA_START + 1)
+
+
+/* The raw analog joystick values will be mapped in terms of this magnitude */
+static const u16 JC_MAX_STICK_MAG		= 32767;
+static const u16 JC_STICK_FUZZ			= 250;
+static const u16 JC_STICK_FLAT			= 500;
+
+/* States for controller state machine */
+enum joycon_ctlr_state {
+	JOYCON_CTLR_STATE_INIT,
+	JOYCON_CTLR_STATE_READ,
+};
+
+struct joycon_stick_cal {
+	s32 max;
+	s32 min;
+	s32 center;
+};
+
+/*
+ * All the controller's button values are stored in a u32.
+ * They can be accessed with bitwise ANDs.
+ */
+static const u32 JC_BTN_Y	= BIT(0);
+static const u32 JC_BTN_X	= BIT(1);
+static const u32 JC_BTN_B	= BIT(2);
+static const u32 JC_BTN_A	= BIT(3);
+static const u32 JC_BTN_SR_R	= BIT(4);
+static const u32 JC_BTN_SL_R	= BIT(5);
+static const u32 JC_BTN_R	= BIT(6);
+static const u32 JC_BTN_ZR	= BIT(7);
+static const u32 JC_BTN_MINUS	= BIT(8);
+static const u32 JC_BTN_PLUS	= BIT(9);
+static const u32 JC_BTN_RSTICK	= BIT(10);
+static const u32 JC_BTN_LSTICK	= BIT(11);
+static const u32 JC_BTN_HOME	= BIT(12);
+static const u32 JC_BTN_CAP	= BIT(13); /* capture button */
+static const u32 JC_BTN_DOWN	= BIT(16);
+static const u32 JC_BTN_UP	= BIT(17);
+static const u32 JC_BTN_RIGHT	= BIT(18);
+static const u32 JC_BTN_LEFT	= BIT(19);
+static const u32 JC_BTN_SR_L	= BIT(20);
+static const u32 JC_BTN_SL_L	= BIT(21);
+static const u32 JC_BTN_L	= BIT(22);
+static const u32 JC_BTN_ZL	= BIT(23);
+
+enum joycon_msg_type {
+	JOYCON_MSG_TYPE_NONE,
+	JOYCON_MSG_TYPE_USB,
+	JOYCON_MSG_TYPE_SUBCMD,
+};
+
+struct joycon_subcmd_request {
+	u8 output_id; /* must be 0x01 for subcommand, 0x10 for rumble only */
+	u8 packet_num; /* incremented every send */
+	u8 rumble_data[8];
+	u8 subcmd_id;
+	u8 data[0]; /* length depends on the subcommand */
+} __packed;
+
+struct joycon_subcmd_reply {
+	u8 ack; /* MSB 1 for ACK, 0 for NACK */
+	u8 id; /* id of requested subcmd */
+	u8 data[0]; /* will be at most 35 bytes */
+} __packed;
+
+struct joycon_input_report {
+	u8 id;
+	u8 timer;
+	u8 bat_con; /* battery and connection info */
+	u8 button_status[3];
+	u8 left_stick[3];
+	u8 right_stick[3];
+	u8 vibrator_report;
+
+	/*
+	 * If support for firmware updates, gyroscope data, and/or NFC/IR
+	 * are added in the future, this can be swapped for a union.
+	 */
+	struct joycon_subcmd_reply reply;
+} __packed;
+
+#define JC_MAX_RESP_SIZE	(sizeof(struct joycon_input_report) + 35)
+
+/* Each physical controller is associated with a joycon_ctlr struct */
+struct joycon_ctlr {
+	struct hid_device *hdev;
+	struct input_dev *input;
+	enum joycon_ctlr_state ctlr_state;
+
+	/* The following members are used for synchronous sends/receives */
+	enum joycon_msg_type msg_type;
+	u8 subcmd_num;
+	struct mutex output_mutex;
+	u8 input_buf[JC_MAX_RESP_SIZE];
+	wait_queue_head_t wait;
+	bool received_resp;
+	u8 usb_ack_match;
+	u8 subcmd_ack_match;
+
+	/* factory calibration data */
+	struct joycon_stick_cal left_stick_cal_x;
+	struct joycon_stick_cal left_stick_cal_y;
+	struct joycon_stick_cal right_stick_cal_x;
+	struct joycon_stick_cal right_stick_cal_y;
+
+};
+
+static int __joycon_hid_send(struct hid_device *hdev, u8 *data, size_t len)
+{
+	u8 *buf;
+	int ret;
+
+	buf = kmemdup(data, len, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	ret = hid_hw_output_report(hdev, buf, len);
+	kfree(buf);
+	if (ret < 0)
+		hid_dbg(hdev, "Failed to send output report ret=%d\n", ret);
+	return ret;
+}
+
+static int joycon_hid_send_sync(struct joycon_ctlr *ctlr, u8 *data, size_t len)
+{
+	int ret;
+
+	ret = __joycon_hid_send(ctlr->hdev, data, len);
+	if (ret < 0) {
+		memset(ctlr->input_buf, 0, JC_MAX_RESP_SIZE);
+		return ret;
+	}
+
+	if (!wait_event_timeout(ctlr->wait, ctlr->received_resp, HZ)) {
+		hid_dbg(ctlr->hdev, "synchronous send/receive timed out\n");
+		memset(ctlr->input_buf, 0, JC_MAX_RESP_SIZE);
+		return -ETIMEDOUT;
+	}
+
+	ctlr->received_resp = false;
+	return 0;
+}
+
+static int joycon_send_usb(struct joycon_ctlr *ctlr, u8 cmd)
+{
+	int ret;
+	u8 buf[2] = {JC_OUTPUT_USB_CMD};
+
+	buf[1] = cmd;
+	ctlr->usb_ack_match = cmd;
+	ctlr->msg_type = JOYCON_MSG_TYPE_USB;
+	ret = joycon_hid_send_sync(ctlr, buf, sizeof(buf));
+	if (ret)
+		hid_dbg(ctlr->hdev, "send usb command failed; ret=%d\n", ret);
+	return ret;
+}
+
+static int joycon_send_subcmd(struct joycon_ctlr *ctlr,
+			      struct joycon_subcmd_request *subcmd,
+			      size_t data_len)
+{
+	int ret;
+
+	subcmd->output_id = JC_OUTPUT_RUMBLE_AND_SUBCMD;
+	subcmd->packet_num = ctlr->subcmd_num;
+	if (++ctlr->subcmd_num > 0xF)
+		ctlr->subcmd_num = 0;
+	ctlr->subcmd_ack_match = subcmd->subcmd_id;
+	ctlr->msg_type = JOYCON_MSG_TYPE_SUBCMD;
+
+	ret = joycon_hid_send_sync(ctlr, (u8 *)subcmd,
+				   sizeof(*subcmd) + data_len);
+	if (ret < 0)
+		hid_dbg(ctlr->hdev, "send subcommand failed; ret=%d\n", ret);
+	else
+		ret = 0;
+	return ret;
+}
+
+/* Supply nibbles for flash and on. Ones correspond to active */
+static int joycon_set_player_leds(struct joycon_ctlr *ctlr, u8 flash, u8 on)
+{
+	struct joycon_subcmd_request *req;
+	u8 buffer[sizeof(*req) + 1] = { 0 };
+
+	req = (struct joycon_subcmd_request *)buffer;
+	req->subcmd_id = JC_SUBCMD_SET_PLAYER_LIGHTS;
+	req->data[0] = (flash << 4) | on;
+
+	hid_dbg(ctlr->hdev, "setting player leds\n");
+	return joycon_send_subcmd(ctlr, req, 1);
+}
+
+static const u16 DFLT_STICK_CAL_CEN = 2000;
+static const u16 DFLT_STICK_CAL_MAX = 3500;
+static const u16 DFLT_STICK_CAL_MIN = 500;
+static int joycon_request_calibration(struct joycon_ctlr *ctlr)
+{
+	struct joycon_subcmd_request *req;
+	u8 buffer[sizeof(*req) + 5] = { 0 };
+	struct joycon_input_report *report;
+	struct joycon_stick_cal *cal_x;
+	struct joycon_stick_cal *cal_y;
+	s32 x_max_above;
+	s32 x_min_below;
+	s32 y_max_above;
+	s32 y_min_below;
+	u8 *data;
+	u8 *raw_cal;
+	int ret;
+
+	req = (struct joycon_subcmd_request *)buffer;
+	req->subcmd_id = JC_SUBCMD_SPI_FLASH_READ;
+	data = req->data;
+	data[0] = 0xFF & JC_CAL_DATA_START;
+	data[1] = 0xFF & (JC_CAL_DATA_START >> 8);
+	data[2] = 0xFF & (JC_CAL_DATA_START >> 16);
+	data[3] = 0xFF & (JC_CAL_DATA_START >> 24);
+	data[4] = JC_CAL_DATA_SIZE;
+
+	hid_dbg(ctlr->hdev, "requesting cal data\n");
+	ret = joycon_send_subcmd(ctlr, req, 5);
+	if (ret) {
+		hid_warn(ctlr->hdev,
+			 "Failed to read stick cal, using defaults; ret=%d\n",
+			 ret);
+
+		ctlr->left_stick_cal_x.center = DFLT_STICK_CAL_CEN;
+		ctlr->left_stick_cal_x.max = DFLT_STICK_CAL_MAX;
+		ctlr->left_stick_cal_x.min = DFLT_STICK_CAL_MIN;
+
+		ctlr->left_stick_cal_y.center = DFLT_STICK_CAL_CEN;
+		ctlr->left_stick_cal_y.max = DFLT_STICK_CAL_MAX;
+		ctlr->left_stick_cal_y.min = DFLT_STICK_CAL_MIN;
+
+		ctlr->right_stick_cal_x.center = DFLT_STICK_CAL_CEN;
+		ctlr->right_stick_cal_x.max = DFLT_STICK_CAL_MAX;
+		ctlr->right_stick_cal_x.min = DFLT_STICK_CAL_MIN;
+
+		ctlr->right_stick_cal_y.center = DFLT_STICK_CAL_CEN;
+		ctlr->right_stick_cal_y.max = DFLT_STICK_CAL_MAX;
+		ctlr->right_stick_cal_y.min = DFLT_STICK_CAL_MIN;
+
+		return ret;
+	}
+
+	report = (struct joycon_input_report *)ctlr->input_buf;
+	raw_cal = &report->reply.data[5];
+
+	/* left stick calibration parsing */
+	cal_x = &ctlr->left_stick_cal_x;
+	cal_y = &ctlr->left_stick_cal_y;
+
+	x_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 0), 0, 12);
+	y_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 1), 4, 12);
+	cal_x->center = hid_field_extract(ctlr->hdev, (raw_cal + 3), 0, 12);
+	cal_y->center = hid_field_extract(ctlr->hdev, (raw_cal + 4), 4, 12);
+	x_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 6), 0, 12);
+	y_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 7), 4, 12);
+	cal_x->max = cal_x->center + x_max_above;
+	cal_x->min = cal_x->center - x_min_below;
+	cal_y->max = cal_y->center + y_max_above;
+	cal_y->min = cal_y->center - y_min_below;
+
+	/* right stick calibration parsing */
+	raw_cal += 9;
+	cal_x = &ctlr->right_stick_cal_x;
+	cal_y = &ctlr->right_stick_cal_y;
+
+	cal_x->center = hid_field_extract(ctlr->hdev, (raw_cal + 0), 0, 12);
+	cal_y->center = hid_field_extract(ctlr->hdev, (raw_cal + 1), 4, 12);
+	x_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 3), 0, 12);
+	y_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 4), 4, 12);
+	x_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 6), 0, 12);
+	y_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 7), 4, 12);
+	cal_x->max = cal_x->center + x_max_above;
+	cal_x->min = cal_x->center - x_min_below;
+	cal_y->max = cal_y->center + y_max_above;
+	cal_y->min = cal_y->center - y_min_below;
+
+	hid_dbg(ctlr->hdev, "calibration:\n"
+			    "l_x_c=%d l_x_max=%d l_x_min=%d\n"
+			    "l_y_c=%d l_y_max=%d l_y_min=%d\n"
+			    "r_x_c=%d r_x_max=%d r_x_min=%d\n"
+			    "r_y_c=%d r_y_max=%d r_y_min=%d\n",
+			    ctlr->left_stick_cal_x.center,
+			    ctlr->left_stick_cal_x.max,
+			    ctlr->left_stick_cal_x.min,
+			    ctlr->left_stick_cal_y.center,
+			    ctlr->left_stick_cal_y.max,
+			    ctlr->left_stick_cal_y.min,
+			    ctlr->right_stick_cal_x.center,
+			    ctlr->right_stick_cal_x.max,
+			    ctlr->right_stick_cal_x.min,
+			    ctlr->right_stick_cal_y.center,
+			    ctlr->right_stick_cal_y.max,
+			    ctlr->right_stick_cal_y.min);
+
+	return 0;
+}
+
+static int joycon_set_report_mode(struct joycon_ctlr *ctlr)
+{
+	struct joycon_subcmd_request *req;
+	u8 buffer[sizeof(*req) + 1] = { 0 };
+
+	req = (struct joycon_subcmd_request *)buffer;
+	req->subcmd_id = JC_SUBCMD_SET_REPORT_MODE;
+	req->data[0] = 0x30; /* standard, full report mode */
+
+	hid_dbg(ctlr->hdev, "setting controller report mode\n");
+	return joycon_send_subcmd(ctlr, req, 1);
+}
+
+static s32 joycon_map_stick_val(struct joycon_stick_cal *cal, s32 val)
+{
+	s32 center = cal->center;
+	s32 min = cal->min;
+	s32 max = cal->max;
+	s32 new_val;
+
+	if (val > center) {
+		new_val = (val - center) * JC_MAX_STICK_MAG;
+		new_val /= (max - center);
+	} else {
+		new_val = (center - val) * -JC_MAX_STICK_MAG;
+		new_val /= (center - min);
+	}
+	new_val = clamp(new_val, (s32)-JC_MAX_STICK_MAG, (s32)JC_MAX_STICK_MAG);
+	return new_val;
+}
+
+static void joycon_parse_report(struct joycon_ctlr *ctlr,
+				struct joycon_input_report *rep)
+{
+	struct input_dev *dev = ctlr->input;
+	u32 btns;
+	u32 id = ctlr->hdev->product;
+
+	btns = hid_field_extract(ctlr->hdev, rep->button_status, 0, 24);
+
+	if (id != USB_DEVICE_ID_NINTENDO_JOYCONR) {
+		u16 raw_x;
+		u16 raw_y;
+		s32 x;
+		s32 y;
+
+		/* get raw stick values */
+		raw_x = hid_field_extract(ctlr->hdev, rep->left_stick, 0, 12);
+		raw_y = hid_field_extract(ctlr->hdev,
+					  rep->left_stick + 1, 4, 12);
+		/* map the stick values */
+		x = joycon_map_stick_val(&ctlr->left_stick_cal_x, raw_x);
+		y = -joycon_map_stick_val(&ctlr->left_stick_cal_y, raw_y);
+		/* report sticks */
+		input_report_abs(dev, ABS_X, x);
+		input_report_abs(dev, ABS_Y, y);
+
+		/* report buttons */
+		input_report_key(dev, BTN_TL, btns & JC_BTN_L);
+		input_report_key(dev, BTN_TL2, btns & JC_BTN_ZL);
+		if (id != USB_DEVICE_ID_NINTENDO_PROCON) {
+			/* Report the S buttons as the non-existent triggers */
+			input_report_key(dev, BTN_TR, btns & JC_BTN_SL_L);
+			input_report_key(dev, BTN_TR2, btns & JC_BTN_SR_L);
+		}
+		input_report_key(dev, BTN_SELECT, btns & JC_BTN_MINUS);
+		input_report_key(dev, BTN_THUMBL, btns & JC_BTN_LSTICK);
+		input_report_key(dev, BTN_Z, btns & JC_BTN_CAP);
+		input_report_key(dev, BTN_DPAD_DOWN, btns & JC_BTN_DOWN);
+		input_report_key(dev, BTN_DPAD_UP, btns & JC_BTN_UP);
+		input_report_key(dev, BTN_DPAD_RIGHT, btns & JC_BTN_RIGHT);
+		input_report_key(dev, BTN_DPAD_LEFT, btns & JC_BTN_LEFT);
+	}
+	if (id != USB_DEVICE_ID_NINTENDO_JOYCONL) {
+		u16 raw_x;
+		u16 raw_y;
+		s32 x;
+		s32 y;
+
+		/* get raw stick values */
+		raw_x = hid_field_extract(ctlr->hdev, rep->right_stick, 0, 12);
+		raw_y = hid_field_extract(ctlr->hdev,
+					  rep->right_stick + 1, 4, 12);
+		/* map stick values */
+		x = joycon_map_stick_val(&ctlr->right_stick_cal_x, raw_x);
+		y = -joycon_map_stick_val(&ctlr->right_stick_cal_y, raw_y);
+		/* report sticks */
+		input_report_abs(dev, ABS_RX, x);
+		input_report_abs(dev, ABS_RY, y);
+
+		/* report buttons */
+		input_report_key(dev, BTN_TR, btns & JC_BTN_R);
+		input_report_key(dev, BTN_TR2, btns & JC_BTN_ZR);
+		if (id != USB_DEVICE_ID_NINTENDO_PROCON) {
+			/* Report the S buttons as the non-existent triggers */
+			input_report_key(dev, BTN_TL, btns & JC_BTN_SL_R);
+			input_report_key(dev, BTN_TL2, btns & JC_BTN_SR_R);
+		}
+		input_report_key(dev, BTN_START, btns & JC_BTN_PLUS);
+		input_report_key(dev, BTN_THUMBR, btns & JC_BTN_RSTICK);
+		input_report_key(dev, BTN_MODE, btns & JC_BTN_HOME);
+		input_report_key(dev, BTN_WEST, btns & JC_BTN_Y);
+		input_report_key(dev, BTN_NORTH, btns & JC_BTN_X);
+		input_report_key(dev, BTN_EAST, btns & JC_BTN_A);
+		input_report_key(dev, BTN_SOUTH, btns & JC_BTN_B);
+	}
+
+	input_sync(dev);
+}
+
+
+static const unsigned int joycon_button_inputs_l[] = {
+	BTN_SELECT, BTN_Z, BTN_THUMBL,
+	BTN_DPAD_UP, BTN_DPAD_DOWN, BTN_DPAD_LEFT, BTN_DPAD_RIGHT,
+	BTN_TL, BTN_TL2,
+	0 /* 0 signals end of array */
+};
+
+static const unsigned int joycon_button_inputs_r[] = {
+	BTN_START, BTN_MODE, BTN_THUMBR,
+	BTN_SOUTH, BTN_EAST, BTN_NORTH, BTN_WEST,
+	BTN_TR, BTN_TR2,
+	0 /* 0 signals end of array */
+};
+
+static DEFINE_MUTEX(joycon_input_num_mutex);
+static int joycon_input_create(struct joycon_ctlr *ctlr)
+{
+	struct hid_device *hdev;
+	static int input_num = 1;
+	const char *name;
+	int ret;
+	int i;
+
+	hdev = ctlr->hdev;
+
+	switch (hdev->product) {
+	case USB_DEVICE_ID_NINTENDO_PROCON:
+		name = "Nintendo Switch Pro Controller";
+		break;
+	case USB_DEVICE_ID_NINTENDO_JOYCONL:
+		name = "Nintendo Switch Left Joy-Con";
+		break;
+	case USB_DEVICE_ID_NINTENDO_JOYCONR:
+		name = "Nintendo Switch Right Joy-Con";
+		break;
+	default: /* Should be impossible */
+		hid_err(hdev, "Invalid hid product\n");
+		return -EINVAL;
+	}
+
+	ctlr->input = devm_input_allocate_device(&hdev->dev);
+	if (!ctlr->input)
+		return -ENOMEM;
+	ctlr->input->id.bustype = hdev->bus;
+	ctlr->input->id.vendor = hdev->vendor;
+	ctlr->input->id.product = hdev->product;
+	ctlr->input->id.version = hdev->version;
+	ctlr->input->name = name;
+	input_set_drvdata(ctlr->input, ctlr);
+
+
+	/* set up sticks */
+	if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONR) {
+		input_set_abs_params(ctlr->input, ABS_X,
+				     -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+				     JC_STICK_FUZZ, JC_STICK_FLAT);
+		input_set_abs_params(ctlr->input, ABS_Y,
+				     -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+				     JC_STICK_FUZZ, JC_STICK_FLAT);
+	}
+	if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONL) {
+		input_set_abs_params(ctlr->input, ABS_RX,
+				     -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+				     JC_STICK_FUZZ, JC_STICK_FLAT);
+		input_set_abs_params(ctlr->input, ABS_RY,
+				     -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+				     JC_STICK_FUZZ, JC_STICK_FLAT);
+	}
+
+	/* set up buttons */
+	if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONR) {
+		for (i = 0; joycon_button_inputs_l[i] > 0; i++)
+			input_set_capability(ctlr->input, EV_KEY,
+					     joycon_button_inputs_l[i]);
+	}
+	if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONL) {
+		for (i = 0; joycon_button_inputs_r[i] > 0; i++)
+			input_set_capability(ctlr->input, EV_KEY,
+					     joycon_button_inputs_r[i]);
+	}
+
+	ret = input_register_device(ctlr->input);
+	if (ret)
+		return ret;
+
+	/* Set the default controller player leds based on controller number */
+	mutex_lock(&joycon_input_num_mutex);
+	mutex_lock(&ctlr->output_mutex);
+	ret = joycon_set_player_leds(ctlr, 0, 0xF >> (4 - input_num));
+	if (ret)
+		hid_warn(ctlr->hdev, "Failed to set leds; ret=%d\n", ret);
+	mutex_unlock(&ctlr->output_mutex);
+	if (++input_num > 4)
+		input_num = 1;
+	mutex_unlock(&joycon_input_num_mutex);
+
+	return 0;
+}
+
+/* Common handler for parsing inputs */
+static int joycon_ctlr_read_handler(struct joycon_ctlr *ctlr, u8 *data,
+							      int size)
+{
+	int ret = 0;
+
+	if (data[0] == JC_INPUT_SUBCMD_REPLY || data[0] == JC_INPUT_IMU_DATA ||
+	    data[0] == JC_INPUT_MCU_DATA) {
+		if (size >= 12) /* make sure it contains the input report */
+			joycon_parse_report(ctlr,
+					    (struct joycon_input_report *)data);
+	}
+
+	return ret;
+}
+
+static int joycon_ctlr_handle_event(struct joycon_ctlr *ctlr, u8 *data,
+							      int size)
+{
+	int ret = 0;
+	bool match = false;
+	struct joycon_input_report *report;
+
+	if (unlikely(mutex_is_locked(&ctlr->output_mutex)) &&
+	    ctlr->msg_type != JOYCON_MSG_TYPE_NONE) {
+		switch (ctlr->msg_type) {
+		case JOYCON_MSG_TYPE_USB:
+			if (size < 2)
+				break;
+			if (data[0] == JC_INPUT_USB_RESPONSE &&
+			    data[1] == ctlr->usb_ack_match)
+				match = true;
+			break;
+		case JOYCON_MSG_TYPE_SUBCMD:
+			if (size < sizeof(struct joycon_input_report) ||
+			    data[0] != JC_INPUT_SUBCMD_REPLY)
+				break;
+			report = (struct joycon_input_report *)data;
+			if (report->reply.id == ctlr->subcmd_ack_match)
+				match = true;
+			break;
+		default:
+			break;
+		}
+
+		if (match) {
+			memcpy(ctlr->input_buf, data,
+			       min(size, (int)JC_MAX_RESP_SIZE));
+			ctlr->msg_type = JOYCON_MSG_TYPE_NONE;
+			ctlr->received_resp = true;
+			wake_up(&ctlr->wait);
+
+			/* This message has been handled */
+			return 1;
+		}
+	}
+
+	if (ctlr->ctlr_state == JOYCON_CTLR_STATE_READ)
+		ret = joycon_ctlr_read_handler(ctlr, data, size);
+
+	return ret;
+}
+
+static int nintendo_hid_event(struct hid_device *hdev,
+			      struct hid_report *report, u8 *raw_data, int size)
+{
+	struct joycon_ctlr *ctlr = hid_get_drvdata(hdev);
+
+	if (size < 1)
+		return -EINVAL;
+
+	return joycon_ctlr_handle_event(ctlr, raw_data, size);
+}
+
+static int nintendo_hid_probe(struct hid_device *hdev,
+			    const struct hid_device_id *id)
+{
+	int ret;
+	struct joycon_ctlr *ctlr;
+
+	hid_dbg(hdev, "probe - start\n");
+
+	ctlr = devm_kzalloc(&hdev->dev, sizeof(*ctlr), GFP_KERNEL);
+	if (!ctlr) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	ctlr->hdev = hdev;
+	ctlr->ctlr_state = JOYCON_CTLR_STATE_INIT;
+	hid_set_drvdata(hdev, ctlr);
+	mutex_init(&ctlr->output_mutex);
+	init_waitqueue_head(&ctlr->wait);
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "HID parse failed\n");
+		goto err;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+	if (ret) {
+		hid_err(hdev, "HW start failed\n");
+		goto err;
+	}
+
+	ret = hid_hw_open(hdev);
+	if (ret) {
+		hid_err(hdev, "cannot start hardware I/O\n");
+		goto err_stop;
+	}
+
+	hid_device_io_start(hdev);
+
+	/* Initialize the controller */
+	mutex_lock(&ctlr->output_mutex);
+	/* if handshake command fails, assume ble pro controller */
+	if (hdev->product == USB_DEVICE_ID_NINTENDO_PROCON &&
+	    !joycon_send_usb(ctlr, JC_USB_CMD_HANDSHAKE)) {
+		hid_dbg(hdev, "detected USB controller\n");
+		/* set baudrate for improved latency */
+		ret = joycon_send_usb(ctlr, JC_USB_CMD_BAUDRATE_3M);
+		if (ret) {
+			hid_err(hdev, "Failed to set baudrate; ret=%d\n", ret);
+			goto err_mutex;
+		}
+		/* handshake */
+		ret = joycon_send_usb(ctlr, JC_USB_CMD_HANDSHAKE);
+		if (ret) {
+			hid_err(hdev, "Failed handshake; ret=%d\n", ret);
+			goto err_mutex;
+		}
+		/*
+		 * Set no timeout (to keep controller in USB mode).
+		 * This doesn't send a response, so ignore the timeout.
+		 */
+		joycon_send_usb(ctlr, JC_USB_CMD_NO_TIMEOUT);
+	}
+
+	/* get controller calibration data, and parse it */
+	ret = joycon_request_calibration(ctlr);
+	if (ret) {
+		/*
+		 * We can function with default calibration, but it may be
+		 * inaccurate. Provide a warning, and continue on.
+		 */
+		hid_warn(hdev, "Analog stick positions may be inaccurate\n");
+	}
+
+	/* Set the reporting mode to 0x30, which is the full report mode */
+	ret = joycon_set_report_mode(ctlr);
+	if (ret) {
+		hid_err(hdev, "Failed to set report mode; ret=%d\n", ret);
+		goto err_mutex;
+	}
+
+	mutex_unlock(&ctlr->output_mutex);
+
+	ret = joycon_input_create(ctlr);
+	if (ret) {
+		hid_err(hdev, "Failed to create input device; ret=%d\n", ret);
+		goto err_close;
+	}
+
+	ctlr->ctlr_state = JOYCON_CTLR_STATE_READ;
+
+	hid_dbg(hdev, "probe - success\n");
+	return 0;
+
+err_mutex:
+	mutex_unlock(&ctlr->output_mutex);
+err_close:
+	hid_hw_close(hdev);
+err_stop:
+	hid_hw_stop(hdev);
+err:
+	hid_err(hdev, "probe - fail = %d\n", ret);
+	return ret;
+}
+
+static void nintendo_hid_remove(struct hid_device *hdev)
+{
+	hid_dbg(hdev, "remove\n");
+	hid_hw_close(hdev);
+	hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id nintendo_hid_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_NINTENDO,
+			 USB_DEVICE_ID_NINTENDO_PROCON) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
+			 USB_DEVICE_ID_NINTENDO_PROCON) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
+			 USB_DEVICE_ID_NINTENDO_JOYCONL) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
+			 USB_DEVICE_ID_NINTENDO_JOYCONR) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, nintendo_hid_devices);
+
+static struct hid_driver nintendo_hid_driver = {
+	.name		= "nintendo",
+	.id_table	= nintendo_hid_devices,
+	.probe		= nintendo_hid_probe,
+	.remove		= nintendo_hid_remove,
+	.raw_event	= nintendo_hid_event,
+};
+module_hid_driver(nintendo_hid_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Daniel J. Ogorchock <djogorchock@gmail.com>");
+MODULE_DESCRIPTION("Driver for Nintendo Switch Controllers");
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
new file mode 100644
index 0000000..0b58763b
--- /dev/null
+++ b/drivers/hid/hid-playstation.c
@@ -0,0 +1,1571 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  HID driver for Sony DualSense(TM) controller.
+ *
+ *  Copyright (c) 2020 Sony Interactive Entertainment
+ */
+
+#include <linux/bits.h>
+#include <linux/crc32.h>
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/idr.h>
+#include <linux/input/mt.h>
+#include <linux/leds.h>
+#include <linux/led-class-multicolor.h>
+#include <linux/module.h>
+
+#include <asm/unaligned.h>
+
+#include "hid-ids.h"
+
+/* List of connected playstation devices. */
+static DEFINE_MUTEX(ps_devices_lock);
+static LIST_HEAD(ps_devices_list);
+
+static DEFINE_IDA(ps_player_id_allocator);
+
+#define HID_PLAYSTATION_VERSION_PATCH 0x8000
+
+/* Base class for playstation devices. */
+struct ps_device {
+	struct list_head list;
+	struct hid_device *hdev;
+	spinlock_t lock;
+
+	uint32_t player_id;
+
+	struct power_supply_desc battery_desc;
+	struct power_supply *battery;
+	uint8_t battery_capacity;
+	int battery_status;
+
+	const char *input_dev_name; /* Name of primary input device. */
+	uint8_t mac_address[6]; /* Note: stored in little endian order. */
+	uint32_t hw_version;
+	uint32_t fw_version;
+
+	int (*parse_report)(struct ps_device *dev, struct hid_report *report, u8 *data, int size);
+	void (*remove)(struct ps_device *dev);
+};
+
+/* Calibration data for playstation motion sensors. */
+struct ps_calibration_data {
+	int abs_code;
+	short bias;
+	int sens_numer;
+	int sens_denom;
+};
+
+struct ps_led_info {
+	const char *name;
+	const char *color;
+	enum led_brightness (*brightness_get)(struct led_classdev *cdev);
+	int (*brightness_set)(struct led_classdev *cdev, enum led_brightness);
+};
+
+/* Seed values for DualShock4 / DualSense CRC32 for different report types. */
+#define PS_INPUT_CRC32_SEED	0xA1
+#define PS_OUTPUT_CRC32_SEED	0xA2
+#define PS_FEATURE_CRC32_SEED	0xA3
+
+#define DS_INPUT_REPORT_USB			0x01
+#define DS_INPUT_REPORT_USB_SIZE		64
+#define DS_INPUT_REPORT_BT			0x31
+#define DS_INPUT_REPORT_BT_SIZE			78
+#define DS_OUTPUT_REPORT_USB			0x02
+#define DS_OUTPUT_REPORT_USB_SIZE		63
+#define DS_OUTPUT_REPORT_BT			0x31
+#define DS_OUTPUT_REPORT_BT_SIZE		78
+
+#define DS_FEATURE_REPORT_CALIBRATION		0x05
+#define DS_FEATURE_REPORT_CALIBRATION_SIZE	41
+#define DS_FEATURE_REPORT_PAIRING_INFO		0x09
+#define DS_FEATURE_REPORT_PAIRING_INFO_SIZE	20
+#define DS_FEATURE_REPORT_FIRMWARE_INFO		0x20
+#define DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE	64
+
+/* Button masks for DualSense input report. */
+#define DS_BUTTONS0_HAT_SWITCH	GENMASK(3, 0)
+#define DS_BUTTONS0_SQUARE	BIT(4)
+#define DS_BUTTONS0_CROSS	BIT(5)
+#define DS_BUTTONS0_CIRCLE	BIT(6)
+#define DS_BUTTONS0_TRIANGLE	BIT(7)
+#define DS_BUTTONS1_L1		BIT(0)
+#define DS_BUTTONS1_R1		BIT(1)
+#define DS_BUTTONS1_L2		BIT(2)
+#define DS_BUTTONS1_R2		BIT(3)
+#define DS_BUTTONS1_CREATE	BIT(4)
+#define DS_BUTTONS1_OPTIONS	BIT(5)
+#define DS_BUTTONS1_L3		BIT(6)
+#define DS_BUTTONS1_R3		BIT(7)
+#define DS_BUTTONS2_PS_HOME	BIT(0)
+#define DS_BUTTONS2_TOUCHPAD	BIT(1)
+#define DS_BUTTONS2_MIC_MUTE	BIT(2)
+
+/* Status field of DualSense input report. */
+#define DS_STATUS_BATTERY_CAPACITY	GENMASK(3, 0)
+#define DS_STATUS_CHARGING		GENMASK(7, 4)
+#define DS_STATUS_CHARGING_SHIFT	4
+
+/* Feature version from DualSense Firmware Info report. */
+#define DS_FEATURE_VERSION(major, minor) ((major & 0xff) << 8 | (minor & 0xff))
+
+/*
+ * Status of a DualSense touch point contact.
+ * Contact IDs, with highest bit set are 'inactive'
+ * and any associated data is then invalid.
+ */
+#define DS_TOUCH_POINT_INACTIVE BIT(7)
+
+ /* Magic value required in tag field of Bluetooth output report. */
+#define DS_OUTPUT_TAG 0x10
+/* Flags for DualSense output report. */
+#define DS_OUTPUT_VALID_FLAG0_COMPATIBLE_VIBRATION BIT(0)
+#define DS_OUTPUT_VALID_FLAG0_HAPTICS_SELECT BIT(1)
+#define DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE BIT(0)
+#define DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE BIT(1)
+#define DS_OUTPUT_VALID_FLAG1_LIGHTBAR_CONTROL_ENABLE BIT(2)
+#define DS_OUTPUT_VALID_FLAG1_RELEASE_LEDS BIT(3)
+#define DS_OUTPUT_VALID_FLAG1_PLAYER_INDICATOR_CONTROL_ENABLE BIT(4)
+#define DS_OUTPUT_VALID_FLAG2_LIGHTBAR_SETUP_CONTROL_ENABLE BIT(1)
+#define DS_OUTPUT_VALID_FLAG2_COMPATIBLE_VIBRATION2 BIT(2)
+#define DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE BIT(4)
+#define DS_OUTPUT_LIGHTBAR_SETUP_LIGHT_OUT BIT(1)
+
+/* DualSense hardware limits */
+#define DS_ACC_RES_PER_G	8192
+#define DS_ACC_RANGE		(4*DS_ACC_RES_PER_G)
+#define DS_GYRO_RES_PER_DEG_S	1024
+#define DS_GYRO_RANGE		(2048*DS_GYRO_RES_PER_DEG_S)
+#define DS_TOUCHPAD_WIDTH	1920
+#define DS_TOUCHPAD_HEIGHT	1080
+
+struct dualsense {
+	struct ps_device base;
+	struct input_dev *gamepad;
+	struct input_dev *sensors;
+	struct input_dev *touchpad;
+
+	/* Update version is used as a feature/capability version. */
+	uint16_t update_version;
+
+	/* Calibration data for accelerometer and gyroscope. */
+	struct ps_calibration_data accel_calib_data[3];
+	struct ps_calibration_data gyro_calib_data[3];
+
+	/* Timestamp for sensor data */
+	bool sensor_timestamp_initialized;
+	uint32_t prev_sensor_timestamp;
+	uint32_t sensor_timestamp_us;
+
+	/* Compatible rumble state */
+	bool use_vibration_v2;
+	bool update_rumble;
+	uint8_t motor_left;
+	uint8_t motor_right;
+
+	/* RGB lightbar */
+	struct led_classdev_mc lightbar;
+	bool update_lightbar;
+	uint8_t lightbar_red;
+	uint8_t lightbar_green;
+	uint8_t lightbar_blue;
+
+	/* Microphone */
+	bool update_mic_mute;
+	bool mic_muted;
+	bool last_btn_mic_state;
+
+	/* Player leds */
+	bool update_player_leds;
+	uint8_t player_leds_state;
+	struct led_classdev player_leds[5];
+
+	struct work_struct output_worker;
+	bool output_worker_initialized;
+	void *output_report_dmabuf;
+	uint8_t output_seq; /* Sequence number for output report. */
+};
+
+struct dualsense_touch_point {
+	uint8_t contact;
+	uint8_t x_lo;
+	uint8_t x_hi:4, y_lo:4;
+	uint8_t y_hi;
+} __packed;
+static_assert(sizeof(struct dualsense_touch_point) == 4);
+
+/* Main DualSense input report excluding any BT/USB specific headers. */
+struct dualsense_input_report {
+	uint8_t x, y;
+	uint8_t rx, ry;
+	uint8_t z, rz;
+	uint8_t seq_number;
+	uint8_t buttons[4];
+	uint8_t reserved[4];
+
+	/* Motion sensors */
+	__le16 gyro[3]; /* x, y, z */
+	__le16 accel[3]; /* x, y, z */
+	__le32 sensor_timestamp;
+	uint8_t reserved2;
+
+	/* Touchpad */
+	struct dualsense_touch_point points[2];
+
+	uint8_t reserved3[12];
+	uint8_t status;
+	uint8_t reserved4[10];
+} __packed;
+/* Common input report size shared equals the size of the USB report minus 1 byte for ReportID. */
+static_assert(sizeof(struct dualsense_input_report) == DS_INPUT_REPORT_USB_SIZE - 1);
+
+/* Common data between DualSense BT/USB main output report. */
+struct dualsense_output_report_common {
+	uint8_t valid_flag0;
+	uint8_t valid_flag1;
+
+	/* For DualShock 4 compatibility mode. */
+	uint8_t motor_right;
+	uint8_t motor_left;
+
+	/* Audio controls */
+	uint8_t reserved[4];
+	uint8_t mute_button_led;
+
+	uint8_t power_save_control;
+	uint8_t reserved2[28];
+
+	/* LEDs and lightbar */
+	uint8_t valid_flag2;
+	uint8_t reserved3[2];
+	uint8_t lightbar_setup;
+	uint8_t led_brightness;
+	uint8_t player_leds;
+	uint8_t lightbar_red;
+	uint8_t lightbar_green;
+	uint8_t lightbar_blue;
+} __packed;
+static_assert(sizeof(struct dualsense_output_report_common) == 47);
+
+struct dualsense_output_report_bt {
+	uint8_t report_id; /* 0x31 */
+	uint8_t seq_tag;
+	uint8_t tag;
+	struct dualsense_output_report_common common;
+	uint8_t reserved[24];
+	__le32 crc32;
+} __packed;
+static_assert(sizeof(struct dualsense_output_report_bt) == DS_OUTPUT_REPORT_BT_SIZE);
+
+struct dualsense_output_report_usb {
+	uint8_t report_id; /* 0x02 */
+	struct dualsense_output_report_common common;
+	uint8_t reserved[15];
+} __packed;
+static_assert(sizeof(struct dualsense_output_report_usb) == DS_OUTPUT_REPORT_USB_SIZE);
+
+/*
+ * The DualSense has a main output report used to control most features. It is
+ * largely the same between Bluetooth and USB except for different headers and CRC.
+ * This structure hide the differences between the two to simplify sending output reports.
+ */
+struct dualsense_output_report {
+	uint8_t *data; /* Start of data */
+	uint8_t len; /* Size of output report */
+
+	/* Points to Bluetooth data payload in case for a Bluetooth report else NULL. */
+	struct dualsense_output_report_bt *bt;
+	/* Points to USB data payload in case for a USB report else NULL. */
+	struct dualsense_output_report_usb *usb;
+	/* Points to common section of report, so past any headers. */
+	struct dualsense_output_report_common *common;
+};
+
+/*
+ * Common gamepad buttons across DualShock 3 / 4 and DualSense.
+ * Note: for device with a touchpad, touchpad button is not included
+ *        as it will be part of the touchpad device.
+ */
+static const int ps_gamepad_buttons[] = {
+	BTN_WEST, /* Square */
+	BTN_NORTH, /* Triangle */
+	BTN_EAST, /* Circle */
+	BTN_SOUTH, /* Cross */
+	BTN_TL, /* L1 */
+	BTN_TR, /* R1 */
+	BTN_TL2, /* L2 */
+	BTN_TR2, /* R2 */
+	BTN_SELECT, /* Create (PS5) / Share (PS4) */
+	BTN_START, /* Option */
+	BTN_THUMBL, /* L3 */
+	BTN_THUMBR, /* R3 */
+	BTN_MODE, /* PS Home */
+};
+
+static const struct {int x; int y; } ps_gamepad_hat_mapping[] = {
+	{0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1},
+	{0, 0},
+};
+
+static inline void dualsense_schedule_work(struct dualsense *ds);
+static void dualsense_set_lightbar(struct dualsense *ds, uint8_t red, uint8_t green, uint8_t blue);
+
+/*
+ * Add a new ps_device to ps_devices if it doesn't exist.
+ * Return error on duplicate device, which can happen if the same
+ * device is connected using both Bluetooth and USB.
+ */
+static int ps_devices_list_add(struct ps_device *dev)
+{
+	struct ps_device *entry;
+
+	mutex_lock(&ps_devices_lock);
+	list_for_each_entry(entry, &ps_devices_list, list) {
+		if (!memcmp(entry->mac_address, dev->mac_address, sizeof(dev->mac_address))) {
+			hid_err(dev->hdev, "Duplicate device found for MAC address %pMR.\n",
+					dev->mac_address);
+			mutex_unlock(&ps_devices_lock);
+			return -EEXIST;
+		}
+	}
+
+	list_add_tail(&dev->list, &ps_devices_list);
+	mutex_unlock(&ps_devices_lock);
+	return 0;
+}
+
+static int ps_devices_list_remove(struct ps_device *dev)
+{
+	mutex_lock(&ps_devices_lock);
+	list_del(&dev->list);
+	mutex_unlock(&ps_devices_lock);
+	return 0;
+}
+
+static int ps_device_set_player_id(struct ps_device *dev)
+{
+	int ret = ida_alloc(&ps_player_id_allocator, GFP_KERNEL);
+
+	if (ret < 0)
+		return ret;
+
+	dev->player_id = ret;
+	return 0;
+}
+
+static void ps_device_release_player_id(struct ps_device *dev)
+{
+	ida_free(&ps_player_id_allocator, dev->player_id);
+
+	dev->player_id = U32_MAX;
+}
+
+static struct input_dev *ps_allocate_input_dev(struct hid_device *hdev, const char *name_suffix)
+{
+	struct input_dev *input_dev;
+
+	input_dev = devm_input_allocate_device(&hdev->dev);
+	if (!input_dev)
+		return ERR_PTR(-ENOMEM);
+
+	input_dev->id.bustype = hdev->bus;
+	input_dev->id.vendor = hdev->vendor;
+	input_dev->id.product = hdev->product;
+	input_dev->id.version = hdev->version;
+	input_dev->uniq = hdev->uniq;
+
+	if (name_suffix) {
+		input_dev->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s %s", hdev->name,
+				name_suffix);
+		if (!input_dev->name)
+			return ERR_PTR(-ENOMEM);
+	} else {
+		input_dev->name = hdev->name;
+	}
+
+	input_set_drvdata(input_dev, hdev);
+
+	return input_dev;
+}
+
+static enum power_supply_property ps_power_supply_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_SCOPE,
+};
+
+static int ps_battery_get_property(struct power_supply *psy,
+		enum power_supply_property psp,
+		union power_supply_propval *val)
+{
+	struct ps_device *dev = power_supply_get_drvdata(psy);
+	uint8_t battery_capacity;
+	int battery_status;
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	battery_capacity = dev->battery_capacity;
+	battery_status = dev->battery_status;
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_STATUS:
+		val->intval = battery_status;
+		break;
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = 1;
+		break;
+	case POWER_SUPPLY_PROP_CAPACITY:
+		val->intval = battery_capacity;
+		break;
+	case POWER_SUPPLY_PROP_SCOPE:
+		val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int ps_device_register_battery(struct ps_device *dev)
+{
+	struct power_supply *battery;
+	struct power_supply_config battery_cfg = { .drv_data = dev };
+	int ret;
+
+	dev->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
+	dev->battery_desc.properties = ps_power_supply_props;
+	dev->battery_desc.num_properties = ARRAY_SIZE(ps_power_supply_props);
+	dev->battery_desc.get_property = ps_battery_get_property;
+	dev->battery_desc.name = devm_kasprintf(&dev->hdev->dev, GFP_KERNEL,
+			"ps-controller-battery-%pMR", dev->mac_address);
+	if (!dev->battery_desc.name)
+		return -ENOMEM;
+
+	battery = devm_power_supply_register(&dev->hdev->dev, &dev->battery_desc, &battery_cfg);
+	if (IS_ERR(battery)) {
+		ret = PTR_ERR(battery);
+		hid_err(dev->hdev, "Unable to register battery device: %d\n", ret);
+		return ret;
+	}
+	dev->battery = battery;
+
+	ret = power_supply_powers(dev->battery, &dev->hdev->dev);
+	if (ret) {
+		hid_err(dev->hdev, "Unable to activate battery device: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+/* Compute crc32 of HID data and compare against expected CRC. */
+static bool ps_check_crc32(uint8_t seed, uint8_t *data, size_t len, uint32_t report_crc)
+{
+	uint32_t crc;
+
+	crc = crc32_le(0xFFFFFFFF, &seed, 1);
+	crc = ~crc32_le(crc, data, len);
+
+	return crc == report_crc;
+}
+
+static struct input_dev *ps_gamepad_create(struct hid_device *hdev,
+		int (*play_effect)(struct input_dev *, void *, struct ff_effect *))
+{
+	struct input_dev *gamepad;
+	unsigned int i;
+	int ret;
+
+	gamepad = ps_allocate_input_dev(hdev, NULL);
+	if (IS_ERR(gamepad))
+		return ERR_CAST(gamepad);
+
+	input_set_abs_params(gamepad, ABS_X, 0, 255, 0, 0);
+	input_set_abs_params(gamepad, ABS_Y, 0, 255, 0, 0);
+	input_set_abs_params(gamepad, ABS_Z, 0, 255, 0, 0);
+	input_set_abs_params(gamepad, ABS_RX, 0, 255, 0, 0);
+	input_set_abs_params(gamepad, ABS_RY, 0, 255, 0, 0);
+	input_set_abs_params(gamepad, ABS_RZ, 0, 255, 0, 0);
+
+	input_set_abs_params(gamepad, ABS_HAT0X, -1, 1, 0, 0);
+	input_set_abs_params(gamepad, ABS_HAT0Y, -1, 1, 0, 0);
+
+	for (i = 0; i < ARRAY_SIZE(ps_gamepad_buttons); i++)
+		input_set_capability(gamepad, EV_KEY, ps_gamepad_buttons[i]);
+
+#if IS_ENABLED(CONFIG_PLAYSTATION_FF)
+	if (play_effect) {
+		input_set_capability(gamepad, EV_FF, FF_RUMBLE);
+		input_ff_create_memless(gamepad, NULL, play_effect);
+	}
+#endif
+
+	ret = input_register_device(gamepad);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return gamepad;
+}
+
+static int ps_get_report(struct hid_device *hdev, uint8_t report_id, uint8_t *buf, size_t size)
+{
+	int ret;
+
+	ret = hid_hw_raw_request(hdev, report_id, buf, size, HID_FEATURE_REPORT,
+				 HID_REQ_GET_REPORT);
+	if (ret < 0) {
+		hid_err(hdev, "Failed to retrieve feature with reportID %d: %d\n", report_id, ret);
+		return ret;
+	}
+
+	if (ret != size) {
+		hid_err(hdev, "Invalid byte count transferred, expected %zu got %d\n", size, ret);
+		return -EINVAL;
+	}
+
+	if (buf[0] != report_id) {
+		hid_err(hdev, "Invalid reportID received, expected %d got %d\n", report_id, buf[0]);
+		return -EINVAL;
+	}
+
+	if (hdev->bus == BUS_BLUETOOTH) {
+		/* Last 4 bytes contains crc32. */
+		uint8_t crc_offset = size - 4;
+		uint32_t report_crc = get_unaligned_le32(&buf[crc_offset]);
+
+		if (!ps_check_crc32(PS_FEATURE_CRC32_SEED, buf, crc_offset, report_crc)) {
+			hid_err(hdev, "CRC check failed for reportID=%d\n", report_id);
+			return -EILSEQ;
+		}
+	}
+
+	return 0;
+}
+
+static int ps_led_register(struct ps_device *ps_dev, struct led_classdev *led,
+		const struct ps_led_info *led_info)
+{
+	int ret;
+
+	led->name = devm_kasprintf(&ps_dev->hdev->dev, GFP_KERNEL,
+			"%s:%s:%s", ps_dev->input_dev_name, led_info->color, led_info->name);
+
+	if (!led->name)
+		return -ENOMEM;
+
+	led->brightness = 0;
+	led->max_brightness = 1;
+	led->flags = LED_CORE_SUSPENDRESUME;
+	led->brightness_get = led_info->brightness_get;
+	led->brightness_set_blocking = led_info->brightness_set;
+
+	ret = devm_led_classdev_register(&ps_dev->hdev->dev, led);
+	if (ret) {
+		hid_err(ps_dev->hdev, "Failed to register LED %s: %d\n", led_info->name, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+/* Register a DualSense/DualShock4 RGB lightbar represented by a multicolor LED. */
+static int ps_lightbar_register(struct ps_device *ps_dev, struct led_classdev_mc *lightbar_mc_dev,
+	int (*brightness_set)(struct led_classdev *, enum led_brightness))
+{
+	struct hid_device *hdev = ps_dev->hdev;
+	struct mc_subled *mc_led_info;
+	struct led_classdev *led_cdev;
+	int ret;
+
+	mc_led_info = devm_kmalloc_array(&hdev->dev, 3, sizeof(*mc_led_info),
+					 GFP_KERNEL | __GFP_ZERO);
+	if (!mc_led_info)
+		return -ENOMEM;
+
+	mc_led_info[0].color_index = LED_COLOR_ID_RED;
+	mc_led_info[1].color_index = LED_COLOR_ID_GREEN;
+	mc_led_info[2].color_index = LED_COLOR_ID_BLUE;
+
+	lightbar_mc_dev->subled_info = mc_led_info;
+	lightbar_mc_dev->num_colors = 3;
+
+	led_cdev = &lightbar_mc_dev->led_cdev;
+	led_cdev->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s:rgb:indicator",
+			ps_dev->input_dev_name);
+	if (!led_cdev->name)
+		return -ENOMEM;
+	led_cdev->brightness = 255;
+	led_cdev->max_brightness = 255;
+	led_cdev->brightness_set_blocking = brightness_set;
+
+	ret = devm_led_classdev_multicolor_register(&hdev->dev, lightbar_mc_dev);
+	if (ret < 0) {
+		hid_err(hdev, "Cannot register multicolor LED device\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct input_dev *ps_sensors_create(struct hid_device *hdev, int accel_range, int accel_res,
+		int gyro_range, int gyro_res)
+{
+	struct input_dev *sensors;
+	int ret;
+
+	sensors = ps_allocate_input_dev(hdev, "Motion Sensors");
+	if (IS_ERR(sensors))
+		return ERR_CAST(sensors);
+
+	__set_bit(INPUT_PROP_ACCELEROMETER, sensors->propbit);
+	__set_bit(EV_MSC, sensors->evbit);
+	__set_bit(MSC_TIMESTAMP, sensors->mscbit);
+
+	/* Accelerometer */
+	input_set_abs_params(sensors, ABS_X, -accel_range, accel_range, 16, 0);
+	input_set_abs_params(sensors, ABS_Y, -accel_range, accel_range, 16, 0);
+	input_set_abs_params(sensors, ABS_Z, -accel_range, accel_range, 16, 0);
+	input_abs_set_res(sensors, ABS_X, accel_res);
+	input_abs_set_res(sensors, ABS_Y, accel_res);
+	input_abs_set_res(sensors, ABS_Z, accel_res);
+
+	/* Gyroscope */
+	input_set_abs_params(sensors, ABS_RX, -gyro_range, gyro_range, 16, 0);
+	input_set_abs_params(sensors, ABS_RY, -gyro_range, gyro_range, 16, 0);
+	input_set_abs_params(sensors, ABS_RZ, -gyro_range, gyro_range, 16, 0);
+	input_abs_set_res(sensors, ABS_RX, gyro_res);
+	input_abs_set_res(sensors, ABS_RY, gyro_res);
+	input_abs_set_res(sensors, ABS_RZ, gyro_res);
+
+	ret = input_register_device(sensors);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return sensors;
+}
+
+static struct input_dev *ps_touchpad_create(struct hid_device *hdev, int width, int height,
+		unsigned int num_contacts)
+{
+	struct input_dev *touchpad;
+	int ret;
+
+	touchpad = ps_allocate_input_dev(hdev, "Touchpad");
+	if (IS_ERR(touchpad))
+		return ERR_CAST(touchpad);
+
+	/* Map button underneath touchpad to BTN_LEFT. */
+	input_set_capability(touchpad, EV_KEY, BTN_LEFT);
+	__set_bit(INPUT_PROP_BUTTONPAD, touchpad->propbit);
+
+	input_set_abs_params(touchpad, ABS_MT_POSITION_X, 0, width - 1, 0, 0);
+	input_set_abs_params(touchpad, ABS_MT_POSITION_Y, 0, height - 1, 0, 0);
+
+	ret = input_mt_init_slots(touchpad, num_contacts, INPUT_MT_POINTER);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = input_register_device(touchpad);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return touchpad;
+}
+
+static ssize_t firmware_version_show(struct device *dev,
+				struct device_attribute
+				*attr, char *buf)
+{
+	struct hid_device *hdev = to_hid_device(dev);
+	struct ps_device *ps_dev = hid_get_drvdata(hdev);
+
+	return sysfs_emit(buf, "0x%08x\n", ps_dev->fw_version);
+}
+
+static DEVICE_ATTR_RO(firmware_version);
+
+static ssize_t hardware_version_show(struct device *dev,
+				struct device_attribute
+				*attr, char *buf)
+{
+	struct hid_device *hdev = to_hid_device(dev);
+	struct ps_device *ps_dev = hid_get_drvdata(hdev);
+
+	return sysfs_emit(buf, "0x%08x\n", ps_dev->hw_version);
+}
+
+static DEVICE_ATTR_RO(hardware_version);
+
+static struct attribute *ps_device_attrs[] = {
+	&dev_attr_firmware_version.attr,
+	&dev_attr_hardware_version.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(ps_device);
+
+static int dualsense_get_calibration_data(struct dualsense *ds)
+{
+	short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus;
+	short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus;
+	short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus;
+	short gyro_speed_plus, gyro_speed_minus;
+	short acc_x_plus, acc_x_minus;
+	short acc_y_plus, acc_y_minus;
+	short acc_z_plus, acc_z_minus;
+	int speed_2x;
+	int range_2g;
+	int ret = 0;
+	uint8_t *buf;
+
+	buf = kzalloc(DS_FEATURE_REPORT_CALIBRATION_SIZE, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_CALIBRATION, buf,
+			DS_FEATURE_REPORT_CALIBRATION_SIZE);
+	if (ret) {
+		hid_err(ds->base.hdev, "Failed to retrieve DualSense calibration info: %d\n", ret);
+		goto err_free;
+	}
+
+	gyro_pitch_bias  = get_unaligned_le16(&buf[1]);
+	gyro_yaw_bias    = get_unaligned_le16(&buf[3]);
+	gyro_roll_bias   = get_unaligned_le16(&buf[5]);
+	gyro_pitch_plus  = get_unaligned_le16(&buf[7]);
+	gyro_pitch_minus = get_unaligned_le16(&buf[9]);
+	gyro_yaw_plus    = get_unaligned_le16(&buf[11]);
+	gyro_yaw_minus   = get_unaligned_le16(&buf[13]);
+	gyro_roll_plus   = get_unaligned_le16(&buf[15]);
+	gyro_roll_minus  = get_unaligned_le16(&buf[17]);
+	gyro_speed_plus  = get_unaligned_le16(&buf[19]);
+	gyro_speed_minus = get_unaligned_le16(&buf[21]);
+	acc_x_plus       = get_unaligned_le16(&buf[23]);
+	acc_x_minus      = get_unaligned_le16(&buf[25]);
+	acc_y_plus       = get_unaligned_le16(&buf[27]);
+	acc_y_minus      = get_unaligned_le16(&buf[29]);
+	acc_z_plus       = get_unaligned_le16(&buf[31]);
+	acc_z_minus      = get_unaligned_le16(&buf[33]);
+
+	/*
+	 * Set gyroscope calibration and normalization parameters.
+	 * Data values will be normalized to 1/DS_GYRO_RES_PER_DEG_S degree/s.
+	 */
+	speed_2x = (gyro_speed_plus + gyro_speed_minus);
+	ds->gyro_calib_data[0].abs_code = ABS_RX;
+	ds->gyro_calib_data[0].bias = gyro_pitch_bias;
+	ds->gyro_calib_data[0].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S;
+	ds->gyro_calib_data[0].sens_denom = gyro_pitch_plus - gyro_pitch_minus;
+
+	ds->gyro_calib_data[1].abs_code = ABS_RY;
+	ds->gyro_calib_data[1].bias = gyro_yaw_bias;
+	ds->gyro_calib_data[1].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S;
+	ds->gyro_calib_data[1].sens_denom = gyro_yaw_plus - gyro_yaw_minus;
+
+	ds->gyro_calib_data[2].abs_code = ABS_RZ;
+	ds->gyro_calib_data[2].bias = gyro_roll_bias;
+	ds->gyro_calib_data[2].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S;
+	ds->gyro_calib_data[2].sens_denom = gyro_roll_plus - gyro_roll_minus;
+
+	/*
+	 * Set accelerometer calibration and normalization parameters.
+	 * Data values will be normalized to 1/DS_ACC_RES_PER_G g.
+	 */
+	range_2g = acc_x_plus - acc_x_minus;
+	ds->accel_calib_data[0].abs_code = ABS_X;
+	ds->accel_calib_data[0].bias = acc_x_plus - range_2g / 2;
+	ds->accel_calib_data[0].sens_numer = 2*DS_ACC_RES_PER_G;
+	ds->accel_calib_data[0].sens_denom = range_2g;
+
+	range_2g = acc_y_plus - acc_y_minus;
+	ds->accel_calib_data[1].abs_code = ABS_Y;
+	ds->accel_calib_data[1].bias = acc_y_plus - range_2g / 2;
+	ds->accel_calib_data[1].sens_numer = 2*DS_ACC_RES_PER_G;
+	ds->accel_calib_data[1].sens_denom = range_2g;
+
+	range_2g = acc_z_plus - acc_z_minus;
+	ds->accel_calib_data[2].abs_code = ABS_Z;
+	ds->accel_calib_data[2].bias = acc_z_plus - range_2g / 2;
+	ds->accel_calib_data[2].sens_numer = 2*DS_ACC_RES_PER_G;
+	ds->accel_calib_data[2].sens_denom = range_2g;
+
+err_free:
+	kfree(buf);
+	return ret;
+}
+
+
+static int dualsense_get_firmware_info(struct dualsense *ds)
+{
+	uint8_t *buf;
+	int ret;
+
+	buf = kzalloc(DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_FIRMWARE_INFO, buf,
+			DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE);
+	if (ret) {
+		hid_err(ds->base.hdev, "Failed to retrieve DualSense firmware info: %d\n", ret);
+		goto err_free;
+	}
+
+	ds->base.hw_version = get_unaligned_le32(&buf[24]);
+	ds->base.fw_version = get_unaligned_le32(&buf[28]);
+
+	/* Update version is some kind of feature version. It is distinct from
+	 * the firmware version as there can be many different variations of a
+	 * controller over time with the same physical shell, but with different
+	 * PCBs and other internal changes. The update version (internal name) is
+	 * used as a means to detect what features are available and change behavior.
+	 * Note: the version is different between DualSense and DualSense Edge.
+	 */
+	ds->update_version = get_unaligned_le16(&buf[44]);
+
+err_free:
+	kfree(buf);
+	return ret;
+}
+
+static int dualsense_get_mac_address(struct dualsense *ds)
+{
+	uint8_t *buf;
+	int ret = 0;
+
+	buf = kzalloc(DS_FEATURE_REPORT_PAIRING_INFO_SIZE, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_PAIRING_INFO, buf,
+			DS_FEATURE_REPORT_PAIRING_INFO_SIZE);
+	if (ret) {
+		hid_err(ds->base.hdev, "Failed to retrieve DualSense pairing info: %d\n", ret);
+		goto err_free;
+	}
+
+	memcpy(ds->base.mac_address, &buf[1], sizeof(ds->base.mac_address));
+
+err_free:
+	kfree(buf);
+	return ret;
+}
+
+static int dualsense_lightbar_set_brightness(struct led_classdev *cdev,
+	enum led_brightness brightness)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(cdev);
+	struct dualsense *ds = container_of(mc_cdev, struct dualsense, lightbar);
+	uint8_t red, green, blue;
+
+	led_mc_calc_color_components(mc_cdev, brightness);
+	red = mc_cdev->subled_info[0].brightness;
+	green = mc_cdev->subled_info[1].brightness;
+	blue = mc_cdev->subled_info[2].brightness;
+
+	dualsense_set_lightbar(ds, red, green, blue);
+	return 0;
+}
+
+static enum led_brightness dualsense_player_led_get_brightness(struct led_classdev *led)
+{
+	struct hid_device *hdev = to_hid_device(led->dev->parent);
+	struct dualsense *ds = hid_get_drvdata(hdev);
+
+	return !!(ds->player_leds_state & BIT(led - ds->player_leds));
+}
+
+static int dualsense_player_led_set_brightness(struct led_classdev *led, enum led_brightness value)
+{
+	struct hid_device *hdev = to_hid_device(led->dev->parent);
+	struct dualsense *ds = hid_get_drvdata(hdev);
+	unsigned long flags;
+	unsigned int led_index;
+
+	spin_lock_irqsave(&ds->base.lock, flags);
+
+	led_index = led - ds->player_leds;
+	if (value == LED_OFF)
+		ds->player_leds_state &= ~BIT(led_index);
+	else
+		ds->player_leds_state |= BIT(led_index);
+
+	ds->update_player_leds = true;
+	spin_unlock_irqrestore(&ds->base.lock, flags);
+
+	dualsense_schedule_work(ds);
+
+	return 0;
+}
+
+static void dualsense_init_output_report(struct dualsense *ds, struct dualsense_output_report *rp,
+		void *buf)
+{
+	struct hid_device *hdev = ds->base.hdev;
+
+	if (hdev->bus == BUS_BLUETOOTH) {
+		struct dualsense_output_report_bt *bt = buf;
+
+		memset(bt, 0, sizeof(*bt));
+		bt->report_id = DS_OUTPUT_REPORT_BT;
+		bt->tag = DS_OUTPUT_TAG; /* Tag must be set. Exact meaning is unclear. */
+
+		/*
+		 * Highest 4-bit is a sequence number, which needs to be increased
+		 * every report. Lowest 4-bit is tag and can be zero for now.
+		 */
+		bt->seq_tag = (ds->output_seq << 4) | 0x0;
+		if (++ds->output_seq == 16)
+			ds->output_seq = 0;
+
+		rp->data = buf;
+		rp->len = sizeof(*bt);
+		rp->bt = bt;
+		rp->usb = NULL;
+		rp->common = &bt->common;
+	} else { /* USB */
+		struct dualsense_output_report_usb *usb = buf;
+
+		memset(usb, 0, sizeof(*usb));
+		usb->report_id = DS_OUTPUT_REPORT_USB;
+
+		rp->data = buf;
+		rp->len = sizeof(*usb);
+		rp->bt = NULL;
+		rp->usb = usb;
+		rp->common = &usb->common;
+	}
+}
+
+static inline void dualsense_schedule_work(struct dualsense *ds)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ds->base.lock, flags);
+	if (ds->output_worker_initialized)
+		schedule_work(&ds->output_worker);
+	spin_unlock_irqrestore(&ds->base.lock, flags);
+}
+
+/*
+ * Helper function to send DualSense output reports. Applies a CRC at the end of a report
+ * for Bluetooth reports.
+ */
+static void dualsense_send_output_report(struct dualsense *ds,
+		struct dualsense_output_report *report)
+{
+	struct hid_device *hdev = ds->base.hdev;
+
+	/* Bluetooth packets need to be signed with a CRC in the last 4 bytes. */
+	if (report->bt) {
+		uint32_t crc;
+		uint8_t seed = PS_OUTPUT_CRC32_SEED;
+
+		crc = crc32_le(0xFFFFFFFF, &seed, 1);
+		crc = ~crc32_le(crc, report->data, report->len - 4);
+
+		report->bt->crc32 = cpu_to_le32(crc);
+	}
+
+	hid_hw_output_report(hdev, report->data, report->len);
+}
+
+static void dualsense_output_worker(struct work_struct *work)
+{
+	struct dualsense *ds = container_of(work, struct dualsense, output_worker);
+	struct dualsense_output_report report;
+	struct dualsense_output_report_common *common;
+	unsigned long flags;
+
+	dualsense_init_output_report(ds, &report, ds->output_report_dmabuf);
+	common = report.common;
+
+	spin_lock_irqsave(&ds->base.lock, flags);
+
+	if (ds->update_rumble) {
+		/* Select classic rumble style haptics and enable it. */
+		common->valid_flag0 |= DS_OUTPUT_VALID_FLAG0_HAPTICS_SELECT;
+		if (ds->use_vibration_v2)
+			common->valid_flag2 |= DS_OUTPUT_VALID_FLAG2_COMPATIBLE_VIBRATION2;
+		else
+			common->valid_flag0 |= DS_OUTPUT_VALID_FLAG0_COMPATIBLE_VIBRATION;
+		common->motor_left = ds->motor_left;
+		common->motor_right = ds->motor_right;
+		ds->update_rumble = false;
+	}
+
+	if (ds->update_lightbar) {
+		common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_LIGHTBAR_CONTROL_ENABLE;
+		common->lightbar_red = ds->lightbar_red;
+		common->lightbar_green = ds->lightbar_green;
+		common->lightbar_blue = ds->lightbar_blue;
+
+		ds->update_lightbar = false;
+	}
+
+	if (ds->update_player_leds) {
+		common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_PLAYER_INDICATOR_CONTROL_ENABLE;
+		common->player_leds = ds->player_leds_state;
+
+		ds->update_player_leds = false;
+	}
+
+	if (ds->update_mic_mute) {
+		common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE;
+		common->mute_button_led = ds->mic_muted;
+
+		if (ds->mic_muted) {
+			/* Disable microphone */
+			common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE;
+			common->power_save_control |= DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE;
+		} else {
+			/* Enable microphone */
+			common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE;
+			common->power_save_control &= ~DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE;
+		}
+
+		ds->update_mic_mute = false;
+	}
+
+	spin_unlock_irqrestore(&ds->base.lock, flags);
+
+	dualsense_send_output_report(ds, &report);
+}
+
+static int dualsense_parse_report(struct ps_device *ps_dev, struct hid_report *report,
+		u8 *data, int size)
+{
+	struct hid_device *hdev = ps_dev->hdev;
+	struct dualsense *ds = container_of(ps_dev, struct dualsense, base);
+	struct dualsense_input_report *ds_report;
+	uint8_t battery_data, battery_capacity, charging_status, value;
+	int battery_status;
+	uint32_t sensor_timestamp;
+	bool btn_mic_state;
+	unsigned long flags;
+	int i;
+
+	/*
+	 * DualSense in USB uses the full HID report for reportID 1, but
+	 * Bluetooth uses a minimal HID report for reportID 1 and reports
+	 * the full report using reportID 49.
+	 */
+	if (hdev->bus == BUS_USB && report->id == DS_INPUT_REPORT_USB &&
+			size == DS_INPUT_REPORT_USB_SIZE) {
+		ds_report = (struct dualsense_input_report *)&data[1];
+	} else if (hdev->bus == BUS_BLUETOOTH && report->id == DS_INPUT_REPORT_BT &&
+			size == DS_INPUT_REPORT_BT_SIZE) {
+		/* Last 4 bytes of input report contain crc32 */
+		uint32_t report_crc = get_unaligned_le32(&data[size - 4]);
+
+		if (!ps_check_crc32(PS_INPUT_CRC32_SEED, data, size - 4, report_crc)) {
+			hid_err(hdev, "DualSense input CRC's check failed\n");
+			return -EILSEQ;
+		}
+
+		ds_report = (struct dualsense_input_report *)&data[2];
+	} else {
+		hid_err(hdev, "Unhandled reportID=%d\n", report->id);
+		return -1;
+	}
+
+	input_report_abs(ds->gamepad, ABS_X,  ds_report->x);
+	input_report_abs(ds->gamepad, ABS_Y,  ds_report->y);
+	input_report_abs(ds->gamepad, ABS_RX, ds_report->rx);
+	input_report_abs(ds->gamepad, ABS_RY, ds_report->ry);
+	input_report_abs(ds->gamepad, ABS_Z,  ds_report->z);
+	input_report_abs(ds->gamepad, ABS_RZ, ds_report->rz);
+
+	value = ds_report->buttons[0] & DS_BUTTONS0_HAT_SWITCH;
+	if (value >= ARRAY_SIZE(ps_gamepad_hat_mapping))
+		value = 8; /* center */
+	input_report_abs(ds->gamepad, ABS_HAT0X, ps_gamepad_hat_mapping[value].x);
+	input_report_abs(ds->gamepad, ABS_HAT0Y, ps_gamepad_hat_mapping[value].y);
+
+	input_report_key(ds->gamepad, BTN_WEST,   ds_report->buttons[0] & DS_BUTTONS0_SQUARE);
+	input_report_key(ds->gamepad, BTN_SOUTH,  ds_report->buttons[0] & DS_BUTTONS0_CROSS);
+	input_report_key(ds->gamepad, BTN_EAST,   ds_report->buttons[0] & DS_BUTTONS0_CIRCLE);
+	input_report_key(ds->gamepad, BTN_NORTH,  ds_report->buttons[0] & DS_BUTTONS0_TRIANGLE);
+	input_report_key(ds->gamepad, BTN_TL,     ds_report->buttons[1] & DS_BUTTONS1_L1);
+	input_report_key(ds->gamepad, BTN_TR,     ds_report->buttons[1] & DS_BUTTONS1_R1);
+	input_report_key(ds->gamepad, BTN_TL2,    ds_report->buttons[1] & DS_BUTTONS1_L2);
+	input_report_key(ds->gamepad, BTN_TR2,    ds_report->buttons[1] & DS_BUTTONS1_R2);
+	input_report_key(ds->gamepad, BTN_SELECT, ds_report->buttons[1] & DS_BUTTONS1_CREATE);
+	input_report_key(ds->gamepad, BTN_START,  ds_report->buttons[1] & DS_BUTTONS1_OPTIONS);
+	input_report_key(ds->gamepad, BTN_THUMBL, ds_report->buttons[1] & DS_BUTTONS1_L3);
+	input_report_key(ds->gamepad, BTN_THUMBR, ds_report->buttons[1] & DS_BUTTONS1_R3);
+	input_report_key(ds->gamepad, BTN_MODE,   ds_report->buttons[2] & DS_BUTTONS2_PS_HOME);
+	input_sync(ds->gamepad);
+
+	/*
+	 * The DualSense has an internal microphone, which can be muted through a mute button
+	 * on the device. The driver is expected to read the button state and program the device
+	 * to mute/unmute audio at the hardware level.
+	 */
+	btn_mic_state = !!(ds_report->buttons[2] & DS_BUTTONS2_MIC_MUTE);
+	if (btn_mic_state && !ds->last_btn_mic_state) {
+		spin_lock_irqsave(&ps_dev->lock, flags);
+		ds->update_mic_mute = true;
+		ds->mic_muted = !ds->mic_muted; /* toggle */
+		spin_unlock_irqrestore(&ps_dev->lock, flags);
+
+		/* Schedule updating of microphone state at hardware level. */
+		dualsense_schedule_work(ds);
+	}
+	ds->last_btn_mic_state = btn_mic_state;
+
+	/* Parse and calibrate gyroscope data. */
+	for (i = 0; i < ARRAY_SIZE(ds_report->gyro); i++) {
+		int raw_data = (short)le16_to_cpu(ds_report->gyro[i]);
+		int calib_data = mult_frac(ds->gyro_calib_data[i].sens_numer,
+					   raw_data - ds->gyro_calib_data[i].bias,
+					   ds->gyro_calib_data[i].sens_denom);
+
+		input_report_abs(ds->sensors, ds->gyro_calib_data[i].abs_code, calib_data);
+	}
+
+	/* Parse and calibrate accelerometer data. */
+	for (i = 0; i < ARRAY_SIZE(ds_report->accel); i++) {
+		int raw_data = (short)le16_to_cpu(ds_report->accel[i]);
+		int calib_data = mult_frac(ds->accel_calib_data[i].sens_numer,
+					   raw_data - ds->accel_calib_data[i].bias,
+					   ds->accel_calib_data[i].sens_denom);
+
+		input_report_abs(ds->sensors, ds->accel_calib_data[i].abs_code, calib_data);
+	}
+
+	/* Convert timestamp (in 0.33us unit) to timestamp_us */
+	sensor_timestamp = le32_to_cpu(ds_report->sensor_timestamp);
+	if (!ds->sensor_timestamp_initialized) {
+		ds->sensor_timestamp_us = DIV_ROUND_CLOSEST(sensor_timestamp, 3);
+		ds->sensor_timestamp_initialized = true;
+	} else {
+		uint32_t delta;
+
+		if (ds->prev_sensor_timestamp > sensor_timestamp)
+			delta = (U32_MAX - ds->prev_sensor_timestamp + sensor_timestamp + 1);
+		else
+			delta = sensor_timestamp - ds->prev_sensor_timestamp;
+		ds->sensor_timestamp_us += DIV_ROUND_CLOSEST(delta, 3);
+	}
+	ds->prev_sensor_timestamp = sensor_timestamp;
+	input_event(ds->sensors, EV_MSC, MSC_TIMESTAMP, ds->sensor_timestamp_us);
+	input_sync(ds->sensors);
+
+	for (i = 0; i < ARRAY_SIZE(ds_report->points); i++) {
+		struct dualsense_touch_point *point = &ds_report->points[i];
+		bool active = (point->contact & DS_TOUCH_POINT_INACTIVE) ? false : true;
+
+		input_mt_slot(ds->touchpad, i);
+		input_mt_report_slot_state(ds->touchpad, MT_TOOL_FINGER, active);
+
+		if (active) {
+			int x = (point->x_hi << 8) | point->x_lo;
+			int y = (point->y_hi << 4) | point->y_lo;
+
+			input_report_abs(ds->touchpad, ABS_MT_POSITION_X, x);
+			input_report_abs(ds->touchpad, ABS_MT_POSITION_Y, y);
+		}
+	}
+	input_mt_sync_frame(ds->touchpad);
+	input_report_key(ds->touchpad, BTN_LEFT, ds_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);
+	input_sync(ds->touchpad);
+
+	battery_data = ds_report->status & DS_STATUS_BATTERY_CAPACITY;
+	charging_status = (ds_report->status & DS_STATUS_CHARGING) >> DS_STATUS_CHARGING_SHIFT;
+
+	switch (charging_status) {
+	case 0x0:
+		/*
+		 * Each unit of battery data corresponds to 10%
+		 * 0 = 0-9%, 1 = 10-19%, .. and 10 = 100%
+		 */
+		battery_capacity = min(battery_data * 10 + 5, 100);
+		battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
+		break;
+	case 0x1:
+		battery_capacity = min(battery_data * 10 + 5, 100);
+		battery_status = POWER_SUPPLY_STATUS_CHARGING;
+		break;
+	case 0x2:
+		battery_capacity = 100;
+		battery_status = POWER_SUPPLY_STATUS_FULL;
+		break;
+	case 0xa: /* voltage or temperature out of range */
+	case 0xb: /* temperature error */
+		battery_capacity = 0;
+		battery_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+		break;
+	case 0xf: /* charging error */
+	default:
+		battery_capacity = 0;
+		battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
+	}
+
+	spin_lock_irqsave(&ps_dev->lock, flags);
+	ps_dev->battery_capacity = battery_capacity;
+	ps_dev->battery_status = battery_status;
+	spin_unlock_irqrestore(&ps_dev->lock, flags);
+
+	return 0;
+}
+
+static int dualsense_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
+{
+	struct hid_device *hdev = input_get_drvdata(dev);
+	struct dualsense *ds = hid_get_drvdata(hdev);
+	unsigned long flags;
+
+	if (effect->type != FF_RUMBLE)
+		return 0;
+
+	spin_lock_irqsave(&ds->base.lock, flags);
+	ds->update_rumble = true;
+	ds->motor_left = effect->u.rumble.strong_magnitude / 256;
+	ds->motor_right = effect->u.rumble.weak_magnitude / 256;
+	spin_unlock_irqrestore(&ds->base.lock, flags);
+
+	dualsense_schedule_work(ds);
+	return 0;
+}
+
+static void dualsense_remove(struct ps_device *ps_dev)
+{
+	struct dualsense *ds = container_of(ps_dev, struct dualsense, base);
+	unsigned long flags;
+
+	spin_lock_irqsave(&ds->base.lock, flags);
+	ds->output_worker_initialized = false;
+	spin_unlock_irqrestore(&ds->base.lock, flags);
+
+	cancel_work_sync(&ds->output_worker);
+}
+
+static int dualsense_reset_leds(struct dualsense *ds)
+{
+	struct dualsense_output_report report;
+	uint8_t *buf;
+
+	buf = kzalloc(sizeof(struct dualsense_output_report_bt), GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	dualsense_init_output_report(ds, &report, buf);
+	/*
+	 * On Bluetooth the DualSense outputs an animation on the lightbar
+	 * during startup and maintains a color afterwards. We need to explicitly
+	 * reconfigure the lightbar before we can do any programming later on.
+	 * In USB the lightbar is not on by default, but redoing the setup there
+	 * doesn't hurt.
+	 */
+	report.common->valid_flag2 = DS_OUTPUT_VALID_FLAG2_LIGHTBAR_SETUP_CONTROL_ENABLE;
+	report.common->lightbar_setup = DS_OUTPUT_LIGHTBAR_SETUP_LIGHT_OUT; /* Fade light out. */
+	dualsense_send_output_report(ds, &report);
+
+	kfree(buf);
+	return 0;
+}
+
+static void dualsense_set_lightbar(struct dualsense *ds, uint8_t red, uint8_t green, uint8_t blue)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&ds->base.lock, flags);
+	ds->update_lightbar = true;
+	ds->lightbar_red = red;
+	ds->lightbar_green = green;
+	ds->lightbar_blue = blue;
+	spin_unlock_irqrestore(&ds->base.lock, flags);
+
+	dualsense_schedule_work(ds);
+}
+
+static void dualsense_set_player_leds(struct dualsense *ds)
+{
+	/*
+	 * The DualSense controller has a row of 5 LEDs used for player ids.
+	 * Behavior on the PlayStation 5 console is to center the player id
+	 * across the LEDs, so e.g. player 1 would be "--x--" with x being 'on'.
+	 * Follow a similar mapping here.
+	 */
+	static const int player_ids[5] = {
+		BIT(2),
+		BIT(3) | BIT(1),
+		BIT(4) | BIT(2) | BIT(0),
+		BIT(4) | BIT(3) | BIT(1) | BIT(0),
+		BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0)
+	};
+
+	uint8_t player_id = ds->base.player_id % ARRAY_SIZE(player_ids);
+
+	ds->update_player_leds = true;
+	ds->player_leds_state = player_ids[player_id];
+	dualsense_schedule_work(ds);
+}
+
+static struct ps_device *dualsense_create(struct hid_device *hdev)
+{
+	struct dualsense *ds;
+	struct ps_device *ps_dev;
+	uint8_t max_output_report_size;
+	int i, ret;
+
+	static const struct ps_led_info player_leds_info[] = {
+		{ LED_FUNCTION_PLAYER1, "white", dualsense_player_led_get_brightness,
+				dualsense_player_led_set_brightness },
+		{ LED_FUNCTION_PLAYER2, "white", dualsense_player_led_get_brightness,
+				dualsense_player_led_set_brightness },
+		{ LED_FUNCTION_PLAYER3, "white", dualsense_player_led_get_brightness,
+				dualsense_player_led_set_brightness },
+		{ LED_FUNCTION_PLAYER4, "white", dualsense_player_led_get_brightness,
+				dualsense_player_led_set_brightness },
+		{ LED_FUNCTION_PLAYER5, "white", dualsense_player_led_get_brightness,
+				dualsense_player_led_set_brightness }
+	};
+
+	ds = devm_kzalloc(&hdev->dev, sizeof(*ds), GFP_KERNEL);
+	if (!ds)
+		return ERR_PTR(-ENOMEM);
+
+	/*
+	 * Patch version to allow userspace to distinguish between
+	 * hid-generic vs hid-playstation axis and button mapping.
+	 */
+	hdev->version |= HID_PLAYSTATION_VERSION_PATCH;
+
+	ps_dev = &ds->base;
+	ps_dev->hdev = hdev;
+	spin_lock_init(&ps_dev->lock);
+	ps_dev->battery_capacity = 100; /* initial value until parse_report. */
+	ps_dev->battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
+	ps_dev->parse_report = dualsense_parse_report;
+	ps_dev->remove = dualsense_remove;
+	INIT_WORK(&ds->output_worker, dualsense_output_worker);
+	ds->output_worker_initialized = true;
+	hid_set_drvdata(hdev, ds);
+
+	max_output_report_size = sizeof(struct dualsense_output_report_bt);
+	ds->output_report_dmabuf = devm_kzalloc(&hdev->dev, max_output_report_size, GFP_KERNEL);
+	if (!ds->output_report_dmabuf)
+		return ERR_PTR(-ENOMEM);
+
+	ret = dualsense_get_mac_address(ds);
+	if (ret) {
+		hid_err(hdev, "Failed to get MAC address from DualSense\n");
+		return ERR_PTR(ret);
+	}
+	snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds->base.mac_address);
+
+	ret = dualsense_get_firmware_info(ds);
+	if (ret) {
+		hid_err(hdev, "Failed to get firmware info from DualSense\n");
+		return ERR_PTR(ret);
+	}
+
+	/* Original DualSense firmware simulated classic controller rumble through
+	 * its new haptics hardware. It felt different from classic rumble users
+	 * were used to. Since then new firmwares were introduced to change behavior
+	 * and make this new 'v2' behavior default on PlayStation and other platforms.
+	 * The original DualSense requires a new enough firmware as bundled with PS5
+	 * software released in 2021. DualSense edge supports it out of the box.
+	 * Both devices also support the old mode, but it is not really used.
+	 */
+	if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER) {
+		/* Feature version 2.21 introduced new vibration method. */
+		ds->use_vibration_v2 = ds->update_version >= DS_FEATURE_VERSION(2, 21);
+	} else if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) {
+		ds->use_vibration_v2 = true;
+	}
+
+	ret = ps_devices_list_add(ps_dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = dualsense_get_calibration_data(ds);
+	if (ret) {
+		hid_err(hdev, "Failed to get calibration data from DualSense\n");
+		goto err;
+	}
+
+	ds->gamepad = ps_gamepad_create(hdev, dualsense_play_effect);
+	if (IS_ERR(ds->gamepad)) {
+		ret = PTR_ERR(ds->gamepad);
+		goto err;
+	}
+	/* Use gamepad input device name as primary device name for e.g. LEDs */
+	ps_dev->input_dev_name = dev_name(&ds->gamepad->dev);
+
+	ds->sensors = ps_sensors_create(hdev, DS_ACC_RANGE, DS_ACC_RES_PER_G,
+			DS_GYRO_RANGE, DS_GYRO_RES_PER_DEG_S);
+	if (IS_ERR(ds->sensors)) {
+		ret = PTR_ERR(ds->sensors);
+		goto err;
+	}
+
+	ds->touchpad = ps_touchpad_create(hdev, DS_TOUCHPAD_WIDTH, DS_TOUCHPAD_HEIGHT, 2);
+	if (IS_ERR(ds->touchpad)) {
+		ret = PTR_ERR(ds->touchpad);
+		goto err;
+	}
+
+	ret = ps_device_register_battery(ps_dev);
+	if (ret)
+		goto err;
+
+	/*
+	 * The hardware may have control over the LEDs (e.g. in Bluetooth on startup).
+	 * Reset the LEDs (lightbar, mute, player leds), so we can control them
+	 * from software.
+	 */
+	ret = dualsense_reset_leds(ds);
+	if (ret)
+		goto err;
+
+	ret = ps_lightbar_register(ps_dev, &ds->lightbar, dualsense_lightbar_set_brightness);
+	if (ret)
+		goto err;
+
+	/* Set default lightbar color. */
+	dualsense_set_lightbar(ds, 0, 0, 128); /* blue */
+
+	for (i = 0; i < ARRAY_SIZE(player_leds_info); i++) {
+		const struct ps_led_info *led_info = &player_leds_info[i];
+
+		ret = ps_led_register(ps_dev, &ds->player_leds[i], led_info);
+		if (ret < 0)
+			goto err;
+	}
+
+	ret = ps_device_set_player_id(ps_dev);
+	if (ret) {
+		hid_err(hdev, "Failed to assign player id for DualSense: %d\n", ret);
+		goto err;
+	}
+
+	/* Set player LEDs to our player id. */
+	dualsense_set_player_leds(ds);
+
+	/*
+	 * Reporting hardware and firmware is important as there are frequent updates, which
+	 * can change behavior.
+	 */
+	hid_info(hdev, "Registered DualSense controller hw_version=0x%08x fw_version=0x%08x\n",
+			ds->base.hw_version, ds->base.fw_version);
+
+	return &ds->base;
+
+err:
+	ps_devices_list_remove(ps_dev);
+	return ERR_PTR(ret);
+}
+
+static int ps_raw_event(struct hid_device *hdev, struct hid_report *report,
+		u8 *data, int size)
+{
+	struct ps_device *dev = hid_get_drvdata(hdev);
+
+	if (dev && dev->parse_report)
+		return dev->parse_report(dev, report, data, size);
+
+	return 0;
+}
+
+static int ps_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	struct ps_device *dev;
+	int ret;
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "Parse failed\n");
+		return ret;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+	if (ret) {
+		hid_err(hdev, "Failed to start HID device\n");
+		return ret;
+	}
+
+	ret = hid_hw_open(hdev);
+	if (ret) {
+		hid_err(hdev, "Failed to open HID device\n");
+		goto err_stop;
+	}
+
+	if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER ||
+		hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) {
+		dev = dualsense_create(hdev);
+		if (IS_ERR(dev)) {
+			hid_err(hdev, "Failed to create dualsense.\n");
+			ret = PTR_ERR(dev);
+			goto err_close;
+		}
+	}
+
+	return ret;
+
+err_close:
+	hid_hw_close(hdev);
+err_stop:
+	hid_hw_stop(hdev);
+	return ret;
+}
+
+static void ps_remove(struct hid_device *hdev)
+{
+	struct ps_device *dev = hid_get_drvdata(hdev);
+
+	ps_devices_list_remove(dev);
+	ps_device_release_player_id(dev);
+
+	if (dev->remove)
+		dev->remove(dev);
+
+	hid_hw_close(hdev);
+	hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id ps_devices[] = {
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, ps_devices);
+
+static struct hid_driver ps_driver = {
+	.name		= "playstation",
+	.id_table	= ps_devices,
+	.probe		= ps_probe,
+	.remove		= ps_remove,
+	.raw_event	= ps_raw_event,
+	.driver = {
+		.dev_groups = ps_device_groups,
+	},
+};
+
+static int __init ps_init(void)
+{
+	return hid_register_driver(&ps_driver);
+}
+
+static void __exit ps_exit(void)
+{
+	hid_unregister_driver(&ps_driver);
+	ida_destroy(&ps_player_id_allocator);
+}
+
+module_init(ps_init);
+module_exit(ps_exit);
+
+MODULE_AUTHOR("Sony Interactive Entertainment");
+MODULE_DESCRIPTION("HID Driver for PlayStation peripherals.");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index ba0ca65..fc06d8b 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -395,7 +395,6 @@
 	.parse = uhid_hid_parse,
 	.raw_request = uhid_hid_raw_request,
 	.output_report = uhid_hid_output_report,
-	.max_buffer_size = UHID_DATA_MAX,
 };
 EXPORT_SYMBOL_GPL(uhid_hid_driver);
 
diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c
index 09ce30c..c5a260c 100644
--- a/drivers/hwmon/scmi-hwmon.c
+++ b/drivers/hwmon/scmi-hwmon.c
@@ -2,7 +2,7 @@
 /*
  * System Control and Management Interface(SCMI) based hwmon sensor driver
  *
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
  * Sudeep Holla <sudeep.holla@arm.com>
  */
 
@@ -13,8 +13,10 @@
 #include <linux/sysfs.h>
 #include <linux/thermal.h>
 
+static const struct scmi_sensor_proto_ops *sensor_ops;
+
 struct scmi_sensors {
-	const struct scmi_handle *handle;
+	const struct scmi_protocol_handle *ph;
 	const struct scmi_sensor_info **info[hwmon_max];
 };
 
@@ -30,7 +32,7 @@
 
 static int scmi_hwmon_scale(const struct scmi_sensor_info *sensor, u64 *value)
 {
-	s8 scale = sensor->scale;
+	int scale = sensor->scale;
 	u64 f;
 
 	switch (sensor->type) {
@@ -69,10 +71,9 @@
 	u64 value;
 	const struct scmi_sensor_info *sensor;
 	struct scmi_sensors *scmi_sensors = dev_get_drvdata(dev);
-	const struct scmi_handle *h = scmi_sensors->handle;
 
 	sensor = *(scmi_sensors->info[type] + channel);
-	ret = h->sensor_ops->reading_get(h, sensor->id, &value);
+	ret = sensor_ops->reading_get(scmi_sensors->ph, sensor->id, &value);
 	if (ret)
 		return ret;
 
@@ -169,11 +170,16 @@
 	struct hwmon_channel_info *scmi_hwmon_chan;
 	const struct hwmon_channel_info **ptr_scmi_ci;
 	const struct scmi_handle *handle = sdev->handle;
+	struct scmi_protocol_handle *ph;
 
-	if (!handle || !handle->sensor_ops)
+	if (!handle)
 		return -ENODEV;
 
-	nr_sensors = handle->sensor_ops->count_get(handle);
+	sensor_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_SENSOR, &ph);
+	if (IS_ERR(sensor_ops))
+		return PTR_ERR(sensor_ops);
+
+	nr_sensors = sensor_ops->count_get(ph);
 	if (!nr_sensors)
 		return -EIO;
 
@@ -181,10 +187,10 @@
 	if (!scmi_sensors)
 		return -ENOMEM;
 
-	scmi_sensors->handle = handle;
+	scmi_sensors->ph = ph;
 
 	for (i = 0; i < nr_sensors; i++) {
-		sensor = handle->sensor_ops->info_get(handle, i);
+		sensor = sensor_ops->info_get(ph, i);
 		if (!sensor)
 			return -EINVAL;
 
@@ -236,7 +242,7 @@
 	}
 
 	for (i = nr_sensors - 1; i >= 0 ; i--) {
-		sensor = handle->sensor_ops->info_get(handle, i);
+		sensor = sensor_ops->info_get(ph, i);
 		if (!sensor)
 			continue;
 
diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig
index c119824..84530fd 100644
--- a/drivers/hwtracing/coresight/Kconfig
+++ b/drivers/hwtracing/coresight/Kconfig
@@ -97,19 +97,27 @@
 	  module will be called coresight-etm3x.
 
 config CORESIGHT_SOURCE_ETM4X
-	tristate "CoreSight Embedded Trace Macrocell 4.x driver"
+	tristate "CoreSight ETMv4.x / ETE driver"
 	depends on ARM64
 	select CORESIGHT_LINKS_AND_SINKS
 	select PID_IN_CONTEXTIDR
 	help
-	  This driver provides support for the ETM4.x tracer module, tracing the
-	  instructions that a processor is executing. This is primarily useful
-	  for instruction level tracing. Depending on the implemented version
-	  data tracing may also be available.
+	  This driver provides support for the CoreSight Embedded Trace Macrocell
+	  version 4.x and the Embedded Trace Extensions (ETE). Both are CPU tracer
+	  modules, tracing the instructions that a processor is executing. This is
+	  primarily useful for instruction level tracing.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called coresight-etm4x.
 
+config ETM4X_IMPDEF_FEATURE
+	bool "Control implementation defined overflow support in ETM 4.x driver"
+	depends on CORESIGHT_SOURCE_ETM4X
+	help
+	  This control provides implementation define control for CoreSight
+	  ETM 4.x tracer module that can't reduce commit rate automatically.
+	  This avoids overflow between the ETM tracer module and the cpu core.
+
 config CORESIGHT_STM
 	tristate "CoreSight System Trace Macrocell driver"
 	depends on (ARM && !(CPU_32v3 || CPU_32v4 || CPU_32v4T)) || ARM64
@@ -165,4 +173,18 @@
 	  CTI trigger connections between this and other devices.These
 	  registers are not used in normal operation and can leave devices in
 	  an inconsistent state.
+
+config CORESIGHT_TRBE
+	tristate "Trace Buffer Extension (TRBE) driver"
+	depends on ARM64 && CORESIGHT_SOURCE_ETM4X
+	help
+	  This driver provides support for percpu Trace Buffer Extension (TRBE).
+	  TRBE always needs to be used along with it's corresponding percpu ETE
+	  component. ETE generates trace data which is then captured with TRBE.
+	  Unlike traditional sink devices, TRBE is a CPU feature accessible via
+	  system registers. But it's explicit dependency with trace unit (ETE)
+	  requires it to be plugged in as a coresight sink device.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called coresight-trbe.
 endif
diff --git a/drivers/hwtracing/coresight/Makefile b/drivers/hwtracing/coresight/Makefile
index f20e357..d608165 100644
--- a/drivers/hwtracing/coresight/Makefile
+++ b/drivers/hwtracing/coresight/Makefile
@@ -21,5 +21,6 @@
 obj-$(CONFIG_CORESIGHT_CPU_DEBUG) += coresight-cpu-debug.o
 obj-$(CONFIG_CORESIGHT_CATU) += coresight-catu.o
 obj-$(CONFIG_CORESIGHT_CTI) += coresight-cti.o
+obj-$(CONFIG_CORESIGHT_TRBE) += coresight-trbe.o
 coresight-cti-y := coresight-cti-core.o	coresight-cti-platform.o \
 		   coresight-cti-sysfs.o
diff --git a/drivers/hwtracing/coresight/coresight-catu.c b/drivers/hwtracing/coresight/coresight-catu.c
index 8e19e8c..e0740c6 100644
--- a/drivers/hwtracing/coresight/coresight-catu.c
+++ b/drivers/hwtracing/coresight/coresight-catu.c
@@ -401,8 +401,9 @@
 
 static inline int catu_wait_for_ready(struct catu_drvdata *drvdata)
 {
-	return coresight_timeout(drvdata->base,
-				 CATU_STATUS, CATU_STATUS_READY, 1);
+	struct csdev_access *csa = &drvdata->csdev->access;
+
+	return coresight_timeout(csa, CATU_STATUS, CATU_STATUS_READY, 1);
 }
 
 static int catu_enable_hw(struct catu_drvdata *drvdata, void *data)
@@ -411,6 +412,7 @@
 	u32 control, mode;
 	struct etr_buf *etr_buf = data;
 	struct device *dev = &drvdata->csdev->dev;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	if (catu_wait_for_ready(drvdata))
 		dev_warn(dev, "Timeout while waiting for READY\n");
@@ -421,7 +423,7 @@
 		return -EBUSY;
 	}
 
-	rc = coresight_claim_device_unlocked(drvdata->base);
+	rc = coresight_claim_device_unlocked(csdev);
 	if (rc)
 		return rc;
 
@@ -465,9 +467,10 @@
 {
 	int rc = 0;
 	struct device *dev = &drvdata->csdev->dev;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	catu_write_control(drvdata, 0);
-	coresight_disclaim_device_unlocked(drvdata->base);
+	coresight_disclaim_device_unlocked(csdev);
 	if (catu_wait_for_ready(drvdata)) {
 		dev_info(dev, "Timeout while waiting for READY\n");
 		rc = -EAGAIN;
@@ -551,6 +554,7 @@
 	dev->platform_data = pdata;
 
 	drvdata->base = base;
+	catu_desc.access = CSDEV_ACCESS_IOMEM(base);
 	catu_desc.pdata = pdata;
 	catu_desc.dev = dev;
 	catu_desc.groups = catu_groups;
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index c4b805b..08c7d00 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -23,6 +23,7 @@
 #include "coresight-priv.h"
 
 static DEFINE_MUTEX(coresight_mutex);
+static DEFINE_PER_CPU(struct coresight_device *, csdev_sink);
 
 /**
  * struct coresight_node - elements of a path, from source to sink
@@ -70,6 +71,18 @@
 }
 EXPORT_SYMBOL_GPL(coresight_remove_cti_ops);
 
+void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev)
+{
+	per_cpu(csdev_sink, cpu) = csdev;
+}
+EXPORT_SYMBOL_GPL(coresight_set_percpu_sink);
+
+struct coresight_device *coresight_get_percpu_sink(int cpu)
+{
+	return per_cpu(csdev_sink, cpu);
+}
+EXPORT_SYMBOL_GPL(coresight_get_percpu_sink);
+
 static int coresight_id_match(struct device *dev, void *data)
 {
 	int trace_id, i_trace_id;
@@ -145,30 +158,32 @@
 	return -ENODEV;
 }
 
-static inline u32 coresight_read_claim_tags(void __iomem *base)
+static inline u32 coresight_read_claim_tags(struct coresight_device *csdev)
 {
-	return readl_relaxed(base + CORESIGHT_CLAIMCLR);
+	return csdev_access_relaxed_read32(&csdev->access, CORESIGHT_CLAIMCLR);
 }
 
-static inline bool coresight_is_claimed_self_hosted(void __iomem *base)
+static inline bool coresight_is_claimed_self_hosted(struct coresight_device *csdev)
 {
-	return coresight_read_claim_tags(base) == CORESIGHT_CLAIM_SELF_HOSTED;
+	return coresight_read_claim_tags(csdev) == CORESIGHT_CLAIM_SELF_HOSTED;
 }
 
-static inline bool coresight_is_claimed_any(void __iomem *base)
+static inline bool coresight_is_claimed_any(struct coresight_device *csdev)
 {
-	return coresight_read_claim_tags(base) != 0;
+	return coresight_read_claim_tags(csdev) != 0;
 }
 
-static inline void coresight_set_claim_tags(void __iomem *base)
+static inline void coresight_set_claim_tags(struct coresight_device *csdev)
 {
-	writel_relaxed(CORESIGHT_CLAIM_SELF_HOSTED, base + CORESIGHT_CLAIMSET);
+	csdev_access_relaxed_write32(&csdev->access, CORESIGHT_CLAIM_SELF_HOSTED,
+				     CORESIGHT_CLAIMSET);
 	isb();
 }
 
-static inline void coresight_clear_claim_tags(void __iomem *base)
+static inline void coresight_clear_claim_tags(struct coresight_device *csdev)
 {
-	writel_relaxed(CORESIGHT_CLAIM_SELF_HOSTED, base + CORESIGHT_CLAIMCLR);
+	csdev_access_relaxed_write32(&csdev->access, CORESIGHT_CLAIM_SELF_HOSTED,
+				     CORESIGHT_CLAIMCLR);
 	isb();
 }
 
@@ -182,27 +197,33 @@
  * Called with CS_UNLOCKed for the component.
  * Returns : 0 on success
  */
-int coresight_claim_device_unlocked(void __iomem *base)
+int coresight_claim_device_unlocked(struct coresight_device *csdev)
 {
-	if (coresight_is_claimed_any(base))
+	if (WARN_ON(!csdev))
+		return -EINVAL;
+
+	if (coresight_is_claimed_any(csdev))
 		return -EBUSY;
 
-	coresight_set_claim_tags(base);
-	if (coresight_is_claimed_self_hosted(base))
+	coresight_set_claim_tags(csdev);
+	if (coresight_is_claimed_self_hosted(csdev))
 		return 0;
 	/* There was a race setting the tags, clean up and fail */
-	coresight_clear_claim_tags(base);
+	coresight_clear_claim_tags(csdev);
 	return -EBUSY;
 }
 EXPORT_SYMBOL_GPL(coresight_claim_device_unlocked);
 
-int coresight_claim_device(void __iomem *base)
+int coresight_claim_device(struct coresight_device *csdev)
 {
 	int rc;
 
-	CS_UNLOCK(base);
-	rc = coresight_claim_device_unlocked(base);
-	CS_LOCK(base);
+	if (WARN_ON(!csdev))
+		return -EINVAL;
+
+	CS_UNLOCK(csdev->access.base);
+	rc = coresight_claim_device_unlocked(csdev);
+	CS_LOCK(csdev->access.base);
 
 	return rc;
 }
@@ -212,11 +233,14 @@
  * coresight_disclaim_device_unlocked : Clear the claim tags for the device.
  * Called with CS_UNLOCKed for the component.
  */
-void coresight_disclaim_device_unlocked(void __iomem *base)
+void coresight_disclaim_device_unlocked(struct coresight_device *csdev)
 {
 
-	if (coresight_is_claimed_self_hosted(base))
-		coresight_clear_claim_tags(base);
+	if (WARN_ON(!csdev))
+		return;
+
+	if (coresight_is_claimed_self_hosted(csdev))
+		coresight_clear_claim_tags(csdev);
 	else
 		/*
 		 * The external agent may have not honoured our claim
@@ -227,11 +251,14 @@
 }
 EXPORT_SYMBOL_GPL(coresight_disclaim_device_unlocked);
 
-void coresight_disclaim_device(void __iomem *base)
+void coresight_disclaim_device(struct coresight_device *csdev)
 {
-	CS_UNLOCK(base);
-	coresight_disclaim_device_unlocked(base);
-	CS_LOCK(base);
+	if (WARN_ON(!csdev))
+		return;
+
+	CS_UNLOCK(csdev->access.base);
+	coresight_disclaim_device_unlocked(csdev);
+	CS_LOCK(csdev->access.base);
 }
 EXPORT_SYMBOL_GPL(coresight_disclaim_device);
 
@@ -764,6 +791,14 @@
 	if (csdev == sink)
 		goto out;
 
+	if (coresight_is_percpu_source(csdev) && coresight_is_percpu_sink(sink) &&
+	    sink == per_cpu(csdev_sink, source_ops(csdev)->cpu_id(csdev))) {
+		if (_coresight_build_path(sink, sink, path) == 0) {
+			found = true;
+			goto out;
+		}
+	}
+
 	/* Not a sink - recursively explore each port found on this element */
 	for (i = 0; i < csdev->pdata->nr_outport; i++) {
 		struct coresight_device *child_dev;
@@ -979,8 +1014,12 @@
 	int depth = 0;
 
 	/* look for a default sink if we have not found for this device */
-	if (!csdev->def_sink)
-		csdev->def_sink = coresight_find_sink(csdev, &depth);
+	if (!csdev->def_sink) {
+		if (coresight_is_percpu_source(csdev))
+			csdev->def_sink = per_cpu(csdev_sink, source_ops(csdev)->cpu_id(csdev));
+		if (!csdev->def_sink)
+			csdev->def_sink = coresight_find_sink(csdev, &depth);
+	}
 	return csdev->def_sink;
 }
 
@@ -1408,23 +1447,24 @@
 }
 
 /**
- * coresight_timeout - loop until a bit has changed to a specific state.
- * @addr: base address of the area of interest.
- * @offset: address of a register, starting from @addr.
+ * coresight_timeout - loop until a bit has changed to a specific register
+ *			state.
+ * @csa: coresight device access for the device
+ * @offset: Offset of the register from the base of the device.
  * @position: the position of the bit of interest.
  * @value: the value the bit should have.
  *
  * Return: 0 as soon as the bit has taken the desired state or -EAGAIN if
  * TIMEOUT_US has elapsed, which ever happens first.
  */
-
-int coresight_timeout(void __iomem *addr, u32 offset, int position, int value)
+int coresight_timeout(struct csdev_access *csa, u32 offset,
+		      int position, int value)
 {
 	int i;
 	u32 val;
 
 	for (i = TIMEOUT_US; i > 0; i--) {
-		val = __raw_readl(addr + offset);
+		val = csdev_access_read32(csa, offset);
 		/* waiting on the bit to go from 0 to 1 */
 		if (value) {
 			if (val & BIT(position))
@@ -1448,6 +1488,48 @@
 }
 EXPORT_SYMBOL_GPL(coresight_timeout);
 
+u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset)
+{
+	return csdev_access_relaxed_read32(&csdev->access, offset);
+}
+
+u32 coresight_read32(struct coresight_device *csdev, u32 offset)
+{
+	return csdev_access_read32(&csdev->access, offset);
+}
+
+void coresight_relaxed_write32(struct coresight_device *csdev,
+			       u32 val, u32 offset)
+{
+	csdev_access_relaxed_write32(&csdev->access, val, offset);
+}
+
+void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset)
+{
+	csdev_access_write32(&csdev->access, val, offset);
+}
+
+u64 coresight_relaxed_read64(struct coresight_device *csdev, u32 offset)
+{
+	return csdev_access_relaxed_read64(&csdev->access, offset);
+}
+
+u64 coresight_read64(struct coresight_device *csdev, u32 offset)
+{
+	return csdev_access_read64(&csdev->access, offset);
+}
+
+void coresight_relaxed_write64(struct coresight_device *csdev,
+			       u64 val, u32 offset)
+{
+	csdev_access_relaxed_write64(&csdev->access, val, offset);
+}
+
+void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset)
+{
+	csdev_access_write64(&csdev->access, val, offset);
+}
+
 /*
  * coresight_release_platform_data: Release references to the devices connected
  * to the output port of this device.
@@ -1514,6 +1596,7 @@
 	csdev->type = desc->type;
 	csdev->subtype = desc->subtype;
 	csdev->ops = desc->ops;
+	csdev->access = desc->access;
 	csdev->orphan = false;
 
 	csdev->dev.type = &coresight_dev_type[desc->type];
diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c
index 9027069..dcd607a 100644
--- a/drivers/hwtracing/coresight/coresight-cti-core.c
+++ b/drivers/hwtracing/coresight/coresight-cti-core.c
@@ -100,7 +100,7 @@
 		goto cti_state_unchanged;
 
 	/* claim the device */
-	rc = coresight_claim_device(drvdata->base);
+	rc = coresight_claim_device(drvdata->csdev);
 	if (rc)
 		goto cti_err_not_enabled;
 
@@ -133,7 +133,7 @@
 		goto cti_hp_not_enabled;
 
 	/* try to claim the device */
-	if (coresight_claim_device(drvdata->base))
+	if (coresight_claim_device(drvdata->csdev))
 		goto cti_hp_not_enabled;
 
 	cti_write_all_hw_regs(drvdata);
@@ -150,6 +150,7 @@
 static int cti_disable_hw(struct cti_drvdata *drvdata)
 {
 	struct cti_config *config = &drvdata->config;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	spin_lock(&drvdata->spinlock);
 
@@ -167,7 +168,7 @@
 	writel_relaxed(0, drvdata->base + CTICONTROL);
 	config->hw_enabled = false;
 
-	coresight_disclaim_device_unlocked(drvdata->base);
+	coresight_disclaim_device_unlocked(csdev);
 	CS_LOCK(drvdata->base);
 	spin_unlock(&drvdata->spinlock);
 	return 0;
@@ -650,6 +651,7 @@
 			     void *v)
 {
 	struct cti_drvdata *drvdata;
+	struct coresight_device *csdev;
 	unsigned int cpu = smp_processor_id();
 	int notify_res = NOTIFY_OK;
 
@@ -657,6 +659,7 @@
 		return NOTIFY_OK;
 
 	drvdata = cti_cpu_drvdata[cpu];
+	csdev = drvdata->csdev;
 
 	if (WARN_ON_ONCE(drvdata->ctidev.cpu != cpu))
 		return NOTIFY_BAD;
@@ -668,13 +671,13 @@
 		/* CTI regs all static - we have a copy & nothing to save */
 		drvdata->config.hw_powered = false;
 		if (drvdata->config.hw_enabled)
-			coresight_disclaim_device(drvdata->base);
+			coresight_disclaim_device(csdev);
 		break;
 
 	case CPU_PM_ENTER_FAILED:
 		drvdata->config.hw_powered = true;
 		if (drvdata->config.hw_enabled) {
-			if (coresight_claim_device(drvdata->base))
+			if (coresight_claim_device(csdev))
 				drvdata->config.hw_enabled = false;
 		}
 		break;
@@ -687,7 +690,7 @@
 		/* check enable reference count to enable HW */
 		if (atomic_read(&drvdata->config.enable_req_count)) {
 			/* check we can claim the device as we re-power */
-			if (coresight_claim_device(drvdata->base))
+			if (coresight_claim_device(csdev))
 				goto cti_notify_exit;
 
 			drvdata->config.hw_enabled = true;
@@ -731,7 +734,7 @@
 	spin_lock(&drvdata->spinlock);
 	drvdata->config.hw_powered = false;
 	if (drvdata->config.hw_enabled)
-		coresight_disclaim_device(drvdata->base);
+		coresight_disclaim_device(drvdata->csdev);
 	spin_unlock(&drvdata->spinlock);
 	return 0;
 }
@@ -863,6 +866,7 @@
 		return PTR_ERR(base);
 
 	drvdata->base = base;
+	cti_desc.access = CSDEV_ACCESS_IOMEM(base);
 
 	dev_set_drvdata(dev, drvdata);
 
diff --git a/drivers/hwtracing/coresight/coresight-cti-platform.c b/drivers/hwtracing/coresight/coresight-cti-platform.c
index 98f830c..ccef04f 100644
--- a/drivers/hwtracing/coresight/coresight-cti-platform.c
+++ b/drivers/hwtracing/coresight/coresight-cti-platform.c
@@ -343,7 +343,6 @@
 {
 	struct cti_trig_con *tc = NULL;
 	int cpuid = -1, err = 0;
-	struct fwnode_handle *cs_fwnode = NULL;
 	struct coresight_device *csdev = NULL;
 	const char *assoc_name = "unknown";
 	char cpu_name_str[16];
@@ -397,8 +396,9 @@
 		assoc_name = cpu_name_str;
 	} else {
 		/* associated device ? */
-		cs_fwnode = fwnode_find_reference(fwnode,
-						  CTI_DT_CSDEV_ASSOC, 0);
+		struct fwnode_handle *cs_fwnode = fwnode_find_reference(fwnode,
+									CTI_DT_CSDEV_ASSOC,
+									0);
 		if (!IS_ERR(cs_fwnode)) {
 			assoc_name = cti_plat_get_csdev_or_node_name(cs_fwnode,
 								     &csdev);
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 51c801c..f775cbe 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -132,7 +132,7 @@
 
 static int etb_enable_hw(struct etb_drvdata *drvdata)
 {
-	int rc = coresight_claim_device(drvdata->base);
+	int rc = coresight_claim_device(drvdata->csdev);
 
 	if (rc)
 		return rc;
@@ -252,6 +252,7 @@
 {
 	u32 ffcr;
 	struct device *dev = &drvdata->csdev->dev;
+	struct csdev_access *csa = &drvdata->csdev->access;
 
 	CS_UNLOCK(drvdata->base);
 
@@ -263,7 +264,7 @@
 	ffcr |= ETB_FFCR_FON_MAN;
 	writel_relaxed(ffcr, drvdata->base + ETB_FFCR);
 
-	if (coresight_timeout(drvdata->base, ETB_FFCR, ETB_FFCR_BIT, 0)) {
+	if (coresight_timeout(csa, ETB_FFCR, ETB_FFCR_BIT, 0)) {
 		dev_err(dev,
 		"timeout while waiting for completion of Manual Flush\n");
 	}
@@ -271,7 +272,7 @@
 	/* disable trace capture */
 	writel_relaxed(0x0, drvdata->base + ETB_CTL_REG);
 
-	if (coresight_timeout(drvdata->base, ETB_FFSR, ETB_FFSR_BIT, 1)) {
+	if (coresight_timeout(csa, ETB_FFSR, ETB_FFSR_BIT, 1)) {
 		dev_err(dev,
 			"timeout while waiting for Formatter to Stop\n");
 	}
@@ -344,7 +345,7 @@
 {
 	__etb_disable_hw(drvdata);
 	etb_dump_hw(drvdata);
-	coresight_disclaim_device(drvdata->base);
+	coresight_disclaim_device(drvdata->csdev);
 }
 
 static int etb_disable(struct coresight_device *csdev)
@@ -757,6 +758,7 @@
 		return PTR_ERR(base);
 
 	drvdata->base = base;
+	desc.access = CSDEV_ACCESS_IOMEM(base);
 
 	spin_lock_init(&drvdata->spinlock);
 
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index c5698c6..417b834 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -24,20 +24,67 @@
 static struct pmu etm_pmu;
 static bool etm_perf_up;
 
-static DEFINE_PER_CPU(struct perf_output_handle, ctx_handle);
+/*
+ * An ETM context for a running event includes the perf aux handle
+ * and aux_data. For ETM, the aux_data (etm_event_data), consists of
+ * the trace path and the sink configuration. The event data is accessible
+ * via perf_get_aux(handle). However, a sink could "end" a perf output
+ * handle via the IRQ handler. And if the "sink" encounters a failure
+ * to "begin" another session (e.g due to lack of space in the buffer),
+ * the handle will be cleared. Thus, the event_data may not be accessible
+ * from the handle when we get to the etm_event_stop(), which is required
+ * for stopping the trace path. The event_data is guaranteed to stay alive
+ * until "free_aux()", which cannot happen as long as the event is active on
+ * the ETM. Thus the event_data for the session must be part of the ETM context
+ * to make sure we can disable the trace path.
+ */
+struct etm_ctxt {
+	struct perf_output_handle handle;
+	struct etm_event_data *event_data;
+};
+
+static DEFINE_PER_CPU(struct etm_ctxt, etm_ctxt);
 static DEFINE_PER_CPU(struct coresight_device *, csdev_src);
 
-/* ETMv3.5/PTM's ETMCR is 'config' */
+/*
+ * The PMU formats were orignally for ETMv3.5/PTM's ETMCR 'config';
+ * now take them as general formats and apply on all ETMs.
+ */
 PMU_FORMAT_ATTR(cycacc,		"config:" __stringify(ETM_OPT_CYCACC));
-PMU_FORMAT_ATTR(contextid,	"config:" __stringify(ETM_OPT_CTXTID));
+/* contextid1 enables tracing CONTEXTIDR_EL1 for ETMv4 */
+PMU_FORMAT_ATTR(contextid1,	"config:" __stringify(ETM_OPT_CTXTID));
+/* contextid2 enables tracing CONTEXTIDR_EL2 for ETMv4 */
+PMU_FORMAT_ATTR(contextid2,	"config:" __stringify(ETM_OPT_CTXTID2));
 PMU_FORMAT_ATTR(timestamp,	"config:" __stringify(ETM_OPT_TS));
 PMU_FORMAT_ATTR(retstack,	"config:" __stringify(ETM_OPT_RETSTK));
 /* Sink ID - same for all ETMs */
 PMU_FORMAT_ATTR(sinkid,		"config2:0-31");
 
+/*
+ * contextid always traces the "PID".  The PID is in CONTEXTIDR_EL1
+ * when the kernel is running at EL1; when the kernel is at EL2,
+ * the PID is in CONTEXTIDR_EL2.
+ */
+static ssize_t format_attr_contextid_show(struct device *dev,
+					  struct device_attribute *attr,
+					  char *page)
+{
+	int pid_fmt = ETM_OPT_CTXTID;
+
+#if IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM4X)
+	pid_fmt = is_kernel_in_hyp_mode() ? ETM_OPT_CTXTID2 : ETM_OPT_CTXTID;
+#endif
+	return sprintf(page, "config:%d\n", pid_fmt);
+}
+
+struct device_attribute format_attr_contextid =
+	__ATTR(contextid, 0444, format_attr_contextid_show, NULL);
+
 static struct attribute *etm_config_formats_attr[] = {
 	&format_attr_cycacc.attr,
 	&format_attr_contextid.attr,
+	&format_attr_contextid1.attr,
+	&format_attr_contextid2.attr,
 	&format_attr_timestamp.attr,
 	&format_attr_retstack.attr,
 	&format_attr_sinkid.attr,
@@ -204,6 +251,25 @@
 	schedule_work(&event_data->work);
 }
 
+/*
+ * Check if two given sinks are compatible with each other,
+ * so that they can use the same sink buffers, when an event
+ * moves around.
+ */
+static bool sinks_compatible(struct coresight_device *a,
+			     struct coresight_device *b)
+{
+	if (!a || !b)
+		return false;
+	/*
+	 * If the sinks are of the same subtype and driven
+	 * by the same driver, we can use the same buffer
+	 * on these sinks.
+	 */
+	return (a->subtype.sink_subtype == b->subtype.sink_subtype) &&
+	       (sink_ops(a) == sink_ops(b));
+}
+
 static void *etm_setup_aux(struct perf_event *event, void **pages,
 			   int nr_pages, bool overwrite)
 {
@@ -211,6 +277,7 @@
 	int cpu = event->cpu;
 	cpumask_t *mask;
 	struct coresight_device *sink = NULL;
+	struct coresight_device *user_sink = NULL, *last_sink = NULL;
 	struct etm_event_data *event_data = NULL;
 
 	event_data = alloc_event_data(cpu);
@@ -221,7 +288,7 @@
 	/* First get the selected sink from user space. */
 	if (event->attr.config2) {
 		id = (u32)event->attr.config2;
-		sink = coresight_get_sink_by_id(id);
+		sink = user_sink = coresight_get_sink_by_id(id);
 	}
 
 	mask = &event_data->mask;
@@ -249,14 +316,33 @@
 		}
 
 		/*
-		 * No sink provided - look for a default sink for one of the
-		 * devices. At present we only support topology where all CPUs
-		 * use the same sink [N:1], so only need to find one sink. The
-		 * coresight_build_path later will remove any CPU that does not
-		 * attach to the sink, or if we have not found a sink.
+		 * No sink provided - look for a default sink for all the ETMs,
+		 * where this event can be scheduled.
+		 * We allocate the sink specific buffers only once for this
+		 * event. If the ETMs have different default sink devices, we
+		 * can only use a single "type" of sink as the event can carry
+		 * only one sink specific buffer. Thus we have to make sure
+		 * that the sinks are of the same type and driven by the same
+		 * driver, as the one we allocate the buffer for. As such
+		 * we choose the first sink and check if the remaining ETMs
+		 * have a compatible default sink. We don't trace on a CPU
+		 * if the sink is not compatible.
 		 */
-		if (!sink)
+		if (!user_sink) {
+			/* Find the default sink for this ETM */
 			sink = coresight_find_default_sink(csdev);
+			if (!sink) {
+				cpumask_clear_cpu(cpu, mask);
+				continue;
+			}
+
+			/* Check if this sink compatible with the last sink */
+			if (last_sink && !sinks_compatible(last_sink, sink)) {
+				cpumask_clear_cpu(cpu, mask);
+				continue;
+			}
+			last_sink = sink;
+		}
 
 		/*
 		 * Building a path doesn't enable it, it simply builds a
@@ -284,7 +370,12 @@
 	if (!sink_ops(sink)->alloc_buffer || !sink_ops(sink)->free_buffer)
 		goto err;
 
-	/* Allocate the sink buffer for this session */
+	/*
+	 * Allocate the sink buffer for this session. All the sinks
+	 * where this event can be scheduled are ensured to be of the
+	 * same type. Thus the same sink configuration is used by the
+	 * sinks.
+	 */
 	event_data->snk_config =
 			sink_ops(sink)->alloc_buffer(sink, event, pages,
 						     nr_pages, overwrite);
@@ -304,13 +395,18 @@
 {
 	int cpu = smp_processor_id();
 	struct etm_event_data *event_data;
-	struct perf_output_handle *handle = this_cpu_ptr(&ctx_handle);
+	struct etm_ctxt *ctxt = this_cpu_ptr(&etm_ctxt);
+	struct perf_output_handle *handle = &ctxt->handle;
 	struct coresight_device *sink, *csdev = per_cpu(csdev_src, cpu);
 	struct list_head *path;
 
 	if (!csdev)
 		goto fail;
 
+	/* Have we messed up our tracking ? */
+	if (WARN_ON(ctxt->event_data))
+		goto fail;
+
 	/*
 	 * Deal with the ring buffer API and get a handle on the
 	 * session's information.
@@ -346,6 +442,8 @@
 	if (source_ops(csdev)->enable(csdev, event, CS_MODE_PERF))
 		goto fail_disable_path;
 
+	/* Save the event_data for this ETM */
+	ctxt->event_data = event_data;
 out:
 	return;
 
@@ -364,13 +462,30 @@
 	int cpu = smp_processor_id();
 	unsigned long size;
 	struct coresight_device *sink, *csdev = per_cpu(csdev_src, cpu);
-	struct perf_output_handle *handle = this_cpu_ptr(&ctx_handle);
-	struct etm_event_data *event_data = perf_get_aux(handle);
+	struct etm_ctxt *ctxt = this_cpu_ptr(&etm_ctxt);
+	struct perf_output_handle *handle = &ctxt->handle;
+	struct etm_event_data *event_data;
 	struct list_head *path;
 
+	/*
+	 * If we still have access to the event_data via handle,
+	 * confirm that we haven't messed up the tracking.
+	 */
+	if (handle->event &&
+	    WARN_ON(perf_get_aux(handle) != ctxt->event_data))
+		return;
+
+	event_data = ctxt->event_data;
+	/* Clear the event_data as this ETM is stopping the trace. */
+	ctxt->event_data = NULL;
+
 	if (event->hw.state == PERF_HES_STOPPED)
 		return;
 
+	/* We must have a valid event_data for a running event */
+	if (WARN_ON(!event_data))
+		return;
+
 	if (!csdev)
 		return;
 
@@ -388,7 +503,13 @@
 	/* tell the core */
 	event->hw.state = PERF_HES_STOPPED;
 
-	if (mode & PERF_EF_UPDATE) {
+	/*
+	 * If the handle is not bound to an event anymore
+	 * (e.g, the sink driver was unable to restart the
+	 * handle due to lack of buffer space), we don't
+	 * have to do anything here.
+	 */
+	if (handle->event && (mode & PERF_EF_UPDATE)) {
 		if (WARN_ON_ONCE(handle->event != event))
 			return;
 
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 683a69e..cf64ce7 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -358,10 +358,11 @@
 	int i, rc;
 	u32 etmcr;
 	struct etm_config *config = &drvdata->config;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	CS_UNLOCK(drvdata->base);
 
-	rc = coresight_claim_device_unlocked(drvdata->base);
+	rc = coresight_claim_device_unlocked(csdev);
 	if (rc)
 		goto done;
 
@@ -566,6 +567,7 @@
 	int i;
 	struct etm_drvdata *drvdata = info;
 	struct etm_config *config = &drvdata->config;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	CS_UNLOCK(drvdata->base);
 	etm_set_prog(drvdata);
@@ -577,7 +579,7 @@
 		config->cntr_val[i] = etm_readl(drvdata, ETMCNTVRn(i));
 
 	etm_set_pwrdwn(drvdata);
-	coresight_disclaim_device_unlocked(drvdata->base);
+	coresight_disclaim_device_unlocked(csdev);
 
 	CS_LOCK(drvdata->base);
 
@@ -602,7 +604,7 @@
 	 * power down the tracer.
 	 */
 	etm_set_pwrdwn(drvdata);
-	coresight_disclaim_device_unlocked(drvdata->base);
+	coresight_disclaim_device_unlocked(csdev);
 
 	CS_LOCK(drvdata->base);
 }
@@ -839,6 +841,7 @@
 		return PTR_ERR(base);
 
 	drvdata->base = base;
+	desc.access = CSDEV_ACCESS_IOMEM(base);
 
 	spin_lock_init(&drvdata->spinlock);
 
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 059c09a..146c893 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -3,6 +3,7 @@
  * Copyright (c) 2014, The Linux Foundation. All rights reserved.
  */
 
+#include <linux/bitops.h>
 #include <linux/kernel.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
@@ -26,14 +27,19 @@
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
 #include <linux/perf_event.h>
+#include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/property.h>
+
+#include <asm/barrier.h>
 #include <asm/sections.h>
+#include <asm/sysreg.h>
 #include <asm/local.h>
 #include <asm/virt.h>
 
 #include "coresight-etm4x.h"
 #include "coresight-etm-perf.h"
+#include "coresight-self-hosted-trace.h"
 
 static int boot_enable;
 module_param(boot_enable, int, 0444);
@@ -56,32 +62,160 @@
 
 static enum cpuhp_state hp_online;
 
+struct etm4_init_arg {
+	unsigned int		pid;
+	struct etmv4_drvdata	*drvdata;
+	struct csdev_access	*csa;
+};
+
+/*
+ * Check if TRCSSPCICRn(i) is implemented for a given instance.
+ *
+ * TRCSSPCICRn is implemented only if :
+ *	TRCSSPCICR<n> is present only if all of the following are true:
+ *		TRCIDR4.NUMSSCC > n.
+ *		TRCIDR4.NUMPC > 0b0000 .
+ *		TRCSSCSR<n>.PC == 0b1
+ */
+static inline bool etm4x_sspcicrn_present(struct etmv4_drvdata *drvdata, int n)
+{
+	return (n < drvdata->nr_ss_cmp) &&
+	       drvdata->nr_pe &&
+	       (drvdata->config.ss_status[n] & TRCSSCSRn_PC);
+}
+
+u64 etm4x_sysreg_read(u32 offset, bool _relaxed, bool _64bit)
+{
+	u64 res = 0;
+
+	switch (offset) {
+	ETM4x_READ_SYSREG_CASES(res)
+	default :
+		pr_warn_ratelimited("etm4x: trying to read unsupported register @%x\n",
+			 offset);
+	}
+
+	if (!_relaxed)
+		__iormb(res);	/* Imitate the !relaxed I/O helpers */
+
+	return res;
+}
+
+void etm4x_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit)
+{
+	if (!_relaxed)
+		__iowmb();	/* Imitate the !relaxed I/O helpers */
+	if (!_64bit)
+		val &= GENMASK(31, 0);
+
+	switch (offset) {
+	ETM4x_WRITE_SYSREG_CASES(val)
+	default :
+		pr_warn_ratelimited("etm4x: trying to write to unsupported register @%x\n",
+			offset);
+	}
+}
+
+static u64 ete_sysreg_read(u32 offset, bool _relaxed, bool _64bit)
+{
+	u64 res = 0;
+
+	switch (offset) {
+	ETE_READ_CASES(res)
+	default :
+		pr_warn_ratelimited("ete: trying to read unsupported register @%x\n",
+				    offset);
+	}
+
+	if (!_relaxed)
+		__iormb(res);	/* Imitate the !relaxed I/O helpers */
+
+	return res;
+}
+
+static void ete_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit)
+{
+	if (!_relaxed)
+		__iowmb();	/* Imitate the !relaxed I/O helpers */
+	if (!_64bit)
+		val &= GENMASK(31, 0);
+
+	switch (offset) {
+	ETE_WRITE_CASES(val)
+	default :
+		pr_warn_ratelimited("ete: trying to write to unsupported register @%x\n",
+				    offset);
+	}
+}
+
+static void etm_detect_os_lock(struct etmv4_drvdata *drvdata,
+			       struct csdev_access *csa)
+{
+	u32 oslsr = etm4x_relaxed_read32(csa, TRCOSLSR);
+
+	drvdata->os_lock_model = ETM_OSLSR_OSLM(oslsr);
+}
+
+static void etm_write_os_lock(struct etmv4_drvdata *drvdata,
+			      struct csdev_access *csa, u32 val)
+{
+	val = !!val;
+
+	switch (drvdata->os_lock_model) {
+	case ETM_OSLOCK_PRESENT:
+		etm4x_relaxed_write32(csa, val, TRCOSLAR);
+		break;
+	case ETM_OSLOCK_PE:
+		write_sysreg_s(val, SYS_OSLAR_EL1);
+		break;
+	default:
+		pr_warn_once("CPU%d: Unsupported Trace OSLock model: %x\n",
+			     smp_processor_id(), drvdata->os_lock_model);
+		fallthrough;
+	case ETM_OSLOCK_NI:
+		return;
+	}
+	isb();
+}
+
+static inline void etm4_os_unlock_csa(struct etmv4_drvdata *drvdata,
+				      struct csdev_access *csa)
+{
+	WARN_ON(drvdata->cpu != smp_processor_id());
+
+	/* Writing 0 to OS Lock unlocks the trace unit registers */
+	etm_write_os_lock(drvdata, csa, 0x0);
+	drvdata->os_unlock = true;
+}
+
 static void etm4_os_unlock(struct etmv4_drvdata *drvdata)
 {
-	/* Writing 0 to TRCOSLAR unlocks the trace registers */
-	writel_relaxed(0x0, drvdata->base + TRCOSLAR);
-	drvdata->os_unlock = true;
-	isb();
+	if (!WARN_ON(!drvdata->csdev))
+		etm4_os_unlock_csa(drvdata, &drvdata->csdev->access);
 }
 
 static void etm4_os_lock(struct etmv4_drvdata *drvdata)
 {
-	/* Writing 0x1 to TRCOSLAR locks the trace registers */
-	writel_relaxed(0x1, drvdata->base + TRCOSLAR);
+	if (WARN_ON(!drvdata->csdev))
+		return;
+	/* Writing 0x1 to OS Lock locks the trace registers */
+	etm_write_os_lock(drvdata, &drvdata->csdev->access, 0x1);
 	drvdata->os_unlock = false;
-	isb();
 }
 
-static bool etm4_arch_supported(u8 arch)
+static void etm4_cs_lock(struct etmv4_drvdata *drvdata,
+			 struct csdev_access *csa)
 {
-	/* Mask out the minor version number */
-	switch (arch & 0xf0) {
-	case ETM_ARCH_V4:
-		break;
-	default:
-		return false;
-	}
-	return true;
+	/* Software Lock is only accessible via memory mapped interface */
+	if (csa->io_mem)
+		CS_LOCK(csa->base);
+}
+
+static void etm4_cs_unlock(struct etmv4_drvdata *drvdata,
+			   struct csdev_access *csa)
+{
+	if (csa->io_mem)
+		CS_UNLOCK(csa->base);
 }
 
 static int etm4_cpu_id(struct coresight_device *csdev)
@@ -103,61 +237,198 @@
 	int rc;
 };
 
+/*
+ * etm4x_prohibit_trace - Prohibit the CPU from tracing at all ELs.
+ * When the CPU supports FEAT_TRF, we could move the ETM to a trace
+ * prohibited state by filtering the Exception levels via TRFCR_EL1.
+ */
+static void etm4x_prohibit_trace(struct etmv4_drvdata *drvdata)
+{
+	/* If the CPU doesn't support FEAT_TRF, nothing to do */
+	if (!drvdata->trfcr)
+		return;
+	cpu_prohibit_trace();
+}
+
+/*
+ * etm4x_allow_trace - Allow CPU tracing in the respective ELs,
+ * as configured by the drvdata->config.mode for the current
+ * session. Even though we have TRCVICTLR bits to filter the
+ * trace in the ELs, it doesn't prevent the ETM from generating
+ * a packet (e.g, TraceInfo) that might contain the addresses from
+ * the excluded levels. Thus we use the additional controls provided
+ * via the Trace Filtering controls (FEAT_TRF) to make sure no trace
+ * is generated for the excluded ELs.
+ */
+static void etm4x_allow_trace(struct etmv4_drvdata *drvdata)
+{
+	u64 trfcr = drvdata->trfcr;
+
+	/* If the CPU doesn't support FEAT_TRF, nothing to do */
+	if (!trfcr)
+		return;
+
+	if (drvdata->config.mode & ETM_MODE_EXCL_KERN)
+		trfcr &= ~TRFCR_ELx_ExTRE;
+	if (drvdata->config.mode & ETM_MODE_EXCL_USER)
+		trfcr &= ~TRFCR_ELx_E0TRE;
+
+	write_trfcr(trfcr);
+}
+
+#ifdef CONFIG_ETM4X_IMPDEF_FEATURE
+
+#define HISI_HIP08_AMBA_ID		0x000b6d01
+#define ETM4_AMBA_MASK			0xfffff
+#define HISI_HIP08_CORE_COMMIT_MASK	0x3000
+#define HISI_HIP08_CORE_COMMIT_SHIFT	12
+#define HISI_HIP08_CORE_COMMIT_FULL	0b00
+#define HISI_HIP08_CORE_COMMIT_LVL_1	0b01
+#define HISI_HIP08_CORE_COMMIT_REG	sys_reg(3, 1, 15, 2, 5)
+
+struct etm4_arch_features {
+	void (*arch_callback)(bool enable);
+};
+
+static bool etm4_hisi_match_pid(unsigned int id)
+{
+	return (id & ETM4_AMBA_MASK) == HISI_HIP08_AMBA_ID;
+}
+
+static void etm4_hisi_config_core_commit(bool enable)
+{
+	u8 commit = enable ? HISI_HIP08_CORE_COMMIT_LVL_1 :
+		    HISI_HIP08_CORE_COMMIT_FULL;
+	u64 val;
+
+	/*
+	 * bit 12 and 13 of HISI_HIP08_CORE_COMMIT_REG are used together
+	 * to set core-commit, 2'b00 means cpu is at full speed, 2'b01,
+	 * 2'b10, 2'b11 mean reduce pipeline speed, and 2'b01 means level-1
+	 * speed(minimun value). So bit 12 and 13 should be cleared together.
+	 */
+	val = read_sysreg_s(HISI_HIP08_CORE_COMMIT_REG);
+	val &= ~HISI_HIP08_CORE_COMMIT_MASK;
+	val |= commit << HISI_HIP08_CORE_COMMIT_SHIFT;
+	write_sysreg_s(val, HISI_HIP08_CORE_COMMIT_REG);
+}
+
+static struct etm4_arch_features etm4_features[] = {
+	[ETM4_IMPDEF_HISI_CORE_COMMIT] = {
+		.arch_callback = etm4_hisi_config_core_commit,
+	},
+	{},
+};
+
+static void etm4_enable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+	struct etm4_arch_features *ftr;
+	int bit;
+
+	for_each_set_bit(bit, drvdata->arch_features, ETM4_IMPDEF_FEATURE_MAX) {
+		ftr = &etm4_features[bit];
+
+		if (ftr->arch_callback)
+			ftr->arch_callback(true);
+	}
+}
+
+static void etm4_disable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+	struct etm4_arch_features *ftr;
+	int bit;
+
+	for_each_set_bit(bit, drvdata->arch_features, ETM4_IMPDEF_FEATURE_MAX) {
+		ftr = &etm4_features[bit];
+
+		if (ftr->arch_callback)
+			ftr->arch_callback(false);
+	}
+}
+
+static void etm4_check_arch_features(struct etmv4_drvdata *drvdata,
+				      unsigned int id)
+{
+	if (etm4_hisi_match_pid(id))
+		set_bit(ETM4_IMPDEF_HISI_CORE_COMMIT, drvdata->arch_features);
+}
+#else
+static void etm4_enable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+}
+
+static void etm4_disable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+}
+
+static void etm4_check_arch_features(struct etmv4_drvdata *drvdata,
+				     unsigned int id)
+{
+}
+#endif /* CONFIG_ETM4X_IMPDEF_FEATURE */
+
 static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
 {
 	int i, rc;
 	struct etmv4_config *config = &drvdata->config;
-	struct device *etm_dev = &drvdata->csdev->dev;
+	struct coresight_device *csdev = drvdata->csdev;
+	struct device *etm_dev = &csdev->dev;
+	struct csdev_access *csa = &csdev->access;
 
-	CS_UNLOCK(drvdata->base);
+
+	etm4_cs_unlock(drvdata, csa);
+	etm4_enable_arch_specific(drvdata);
 
 	etm4_os_unlock(drvdata);
 
-	rc = coresight_claim_device_unlocked(drvdata->base);
+	rc = coresight_claim_device_unlocked(csdev);
 	if (rc)
 		goto done;
 
 	/* Disable the trace unit before programming trace registers */
-	writel_relaxed(0, drvdata->base + TRCPRGCTLR);
+	etm4x_relaxed_write32(csa, 0, TRCPRGCTLR);
+
+	/*
+	 * If we use system instructions, we need to synchronize the
+	 * write to the TRCPRGCTLR, before accessing the TRCSTATR.
+	 * See ARM IHI0064F, section
+	 * "4.3.7 Synchronization of register updates"
+	 */
+	if (!csa->io_mem)
+		isb();
 
 	/* wait for TRCSTATR.IDLE to go up */
-	if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1))
+	if (coresight_timeout(csa, TRCSTATR, TRCSTATR_IDLE_BIT, 1))
 		dev_err(etm_dev,
 			"timeout while waiting for Idle Trace Status\n");
 	if (drvdata->nr_pe)
-		writel_relaxed(config->pe_sel, drvdata->base + TRCPROCSELR);
-	writel_relaxed(config->cfg, drvdata->base + TRCCONFIGR);
+		etm4x_relaxed_write32(csa, config->pe_sel, TRCPROCSELR);
+	etm4x_relaxed_write32(csa, config->cfg, TRCCONFIGR);
 	/* nothing specific implemented */
-	writel_relaxed(0x0, drvdata->base + TRCAUXCTLR);
-	writel_relaxed(config->eventctrl0, drvdata->base + TRCEVENTCTL0R);
-	writel_relaxed(config->eventctrl1, drvdata->base + TRCEVENTCTL1R);
+	etm4x_relaxed_write32(csa, 0x0, TRCAUXCTLR);
+	etm4x_relaxed_write32(csa, config->eventctrl0, TRCEVENTCTL0R);
+	etm4x_relaxed_write32(csa, config->eventctrl1, TRCEVENTCTL1R);
 	if (drvdata->stallctl)
-		writel_relaxed(config->stall_ctrl, drvdata->base + TRCSTALLCTLR);
-	writel_relaxed(config->ts_ctrl, drvdata->base + TRCTSCTLR);
-	writel_relaxed(config->syncfreq, drvdata->base + TRCSYNCPR);
-	writel_relaxed(config->ccctlr, drvdata->base + TRCCCCTLR);
-	writel_relaxed(config->bb_ctrl, drvdata->base + TRCBBCTLR);
-	writel_relaxed(drvdata->trcid, drvdata->base + TRCTRACEIDR);
-	writel_relaxed(config->vinst_ctrl, drvdata->base + TRCVICTLR);
-	writel_relaxed(config->viiectlr, drvdata->base + TRCVIIECTLR);
-	writel_relaxed(config->vissctlr,
-		       drvdata->base + TRCVISSCTLR);
+		etm4x_relaxed_write32(csa, config->stall_ctrl, TRCSTALLCTLR);
+	etm4x_relaxed_write32(csa, config->ts_ctrl, TRCTSCTLR);
+	etm4x_relaxed_write32(csa, config->syncfreq, TRCSYNCPR);
+	etm4x_relaxed_write32(csa, config->ccctlr, TRCCCCTLR);
+	etm4x_relaxed_write32(csa, config->bb_ctrl, TRCBBCTLR);
+	etm4x_relaxed_write32(csa, drvdata->trcid, TRCTRACEIDR);
+	etm4x_relaxed_write32(csa, config->vinst_ctrl, TRCVICTLR);
+	etm4x_relaxed_write32(csa, config->viiectlr, TRCVIIECTLR);
+	etm4x_relaxed_write32(csa, config->vissctlr, TRCVISSCTLR);
 	if (drvdata->nr_pe_cmp)
-		writel_relaxed(config->vipcssctlr,
-			       drvdata->base + TRCVIPCSSCTLR);
+		etm4x_relaxed_write32(csa, config->vipcssctlr, TRCVIPCSSCTLR);
 	for (i = 0; i < drvdata->nrseqstate - 1; i++)
-		writel_relaxed(config->seq_ctrl[i],
-			       drvdata->base + TRCSEQEVRn(i));
-	writel_relaxed(config->seq_rst, drvdata->base + TRCSEQRSTEVR);
-	writel_relaxed(config->seq_state, drvdata->base + TRCSEQSTR);
-	writel_relaxed(config->ext_inp, drvdata->base + TRCEXTINSELR);
+		etm4x_relaxed_write32(csa, config->seq_ctrl[i], TRCSEQEVRn(i));
+	etm4x_relaxed_write32(csa, config->seq_rst, TRCSEQRSTEVR);
+	etm4x_relaxed_write32(csa, config->seq_state, TRCSEQSTR);
+	etm4x_relaxed_write32(csa, config->ext_inp, TRCEXTINSELR);
 	for (i = 0; i < drvdata->nr_cntr; i++) {
-		writel_relaxed(config->cntrldvr[i],
-			       drvdata->base + TRCCNTRLDVRn(i));
-		writel_relaxed(config->cntr_ctrl[i],
-			       drvdata->base + TRCCNTCTLRn(i));
-		writel_relaxed(config->cntr_val[i],
-			       drvdata->base + TRCCNTVRn(i));
+		etm4x_relaxed_write32(csa, config->cntrldvr[i], TRCCNTRLDVRn(i));
+		etm4x_relaxed_write32(csa, config->cntr_ctrl[i], TRCCNTCTLRn(i));
+		etm4x_relaxed_write32(csa, config->cntr_val[i], TRCCNTVRn(i));
 	}
 
 	/*
@@ -165,54 +436,60 @@
 	 * such start at 2.
 	 */
 	for (i = 2; i < drvdata->nr_resource * 2; i++)
-		writel_relaxed(config->res_ctrl[i],
-			       drvdata->base + TRCRSCTLRn(i));
+		etm4x_relaxed_write32(csa, config->res_ctrl[i], TRCRSCTLRn(i));
 
 	for (i = 0; i < drvdata->nr_ss_cmp; i++) {
 		/* always clear status bit on restart if using single-shot */
 		if (config->ss_ctrl[i] || config->ss_pe_cmp[i])
 			config->ss_status[i] &= ~BIT(31);
-		writel_relaxed(config->ss_ctrl[i],
-			       drvdata->base + TRCSSCCRn(i));
-		writel_relaxed(config->ss_status[i],
-			       drvdata->base + TRCSSCSRn(i));
-		writel_relaxed(config->ss_pe_cmp[i],
-			       drvdata->base + TRCSSPCICRn(i));
+		etm4x_relaxed_write32(csa, config->ss_ctrl[i], TRCSSCCRn(i));
+		etm4x_relaxed_write32(csa, config->ss_status[i], TRCSSCSRn(i));
+		if (etm4x_sspcicrn_present(drvdata, i))
+			etm4x_relaxed_write32(csa, config->ss_pe_cmp[i], TRCSSPCICRn(i));
 	}
 	for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
-		writeq_relaxed(config->addr_val[i],
-			       drvdata->base + TRCACVRn(i));
-		writeq_relaxed(config->addr_acc[i],
-			       drvdata->base + TRCACATRn(i));
+		etm4x_relaxed_write64(csa, config->addr_val[i], TRCACVRn(i));
+		etm4x_relaxed_write64(csa, config->addr_acc[i], TRCACATRn(i));
 	}
 	for (i = 0; i < drvdata->numcidc; i++)
-		writeq_relaxed(config->ctxid_pid[i],
-			       drvdata->base + TRCCIDCVRn(i));
-	writel_relaxed(config->ctxid_mask0, drvdata->base + TRCCIDCCTLR0);
+		etm4x_relaxed_write64(csa, config->ctxid_pid[i], TRCCIDCVRn(i));
+	etm4x_relaxed_write32(csa, config->ctxid_mask0, TRCCIDCCTLR0);
 	if (drvdata->numcidc > 4)
-		writel_relaxed(config->ctxid_mask1, drvdata->base + TRCCIDCCTLR1);
+		etm4x_relaxed_write32(csa, config->ctxid_mask1, TRCCIDCCTLR1);
 
 	for (i = 0; i < drvdata->numvmidc; i++)
-		writeq_relaxed(config->vmid_val[i],
-			       drvdata->base + TRCVMIDCVRn(i));
-	writel_relaxed(config->vmid_mask0, drvdata->base + TRCVMIDCCTLR0);
+		etm4x_relaxed_write64(csa, config->vmid_val[i], TRCVMIDCVRn(i));
+	etm4x_relaxed_write32(csa, config->vmid_mask0, TRCVMIDCCTLR0);
 	if (drvdata->numvmidc > 4)
-		writel_relaxed(config->vmid_mask1, drvdata->base + TRCVMIDCCTLR1);
+		etm4x_relaxed_write32(csa, config->vmid_mask1, TRCVMIDCCTLR1);
 
 	if (!drvdata->skip_power_up) {
+		u32 trcpdcr = etm4x_relaxed_read32(csa, TRCPDCR);
+
 		/*
 		 * Request to keep the trace unit powered and also
 		 * emulation of powerdown
 		 */
-		writel_relaxed(readl_relaxed(drvdata->base + TRCPDCR) |
-			       TRCPDCR_PU, drvdata->base + TRCPDCR);
+		etm4x_relaxed_write32(csa, trcpdcr | TRCPDCR_PU, TRCPDCR);
 	}
 
+	/*
+	 * ETE mandates that the TRCRSR is written to before
+	 * enabling it.
+	 */
+	if (etm4x_is_ete(drvdata))
+		etm4x_relaxed_write32(csa, TRCRSR_TA, TRCRSR);
+
+	etm4x_allow_trace(drvdata);
 	/* Enable the trace unit */
-	writel_relaxed(1, drvdata->base + TRCPRGCTLR);
+	etm4x_relaxed_write32(csa, 1, TRCPRGCTLR);
+
+	/* Synchronize the register updates for sysreg access */
+	if (!csa->io_mem)
+		isb();
 
 	/* wait for TRCSTATR.IDLE to go back down to '0' */
-	if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 0))
+	if (coresight_timeout(csa, TRCSTATR, TRCSTATR_IDLE_BIT, 0))
 		dev_err(etm_dev,
 			"timeout while waiting for Idle Trace Status\n");
 
@@ -224,7 +501,7 @@
 	isb();
 
 done:
-	CS_LOCK(drvdata->base);
+	etm4_cs_lock(drvdata, csa);
 
 	dev_dbg(etm_dev, "cpu: %d enable smp call done: %d\n",
 		drvdata->cpu, rc);
@@ -383,6 +660,19 @@
 		/* bit[6], Context ID tracing bit */
 		config->cfg |= BIT(ETM4_CFG_BIT_CTXTID);
 
+	/*
+	 * If set bit ETM_OPT_CTXTID2 in perf config, this asks to trace VMID
+	 * for recording CONTEXTIDR_EL2.  Do not enable VMID tracing if the
+	 * kernel is not running in EL2.
+	 */
+	if (attr->config & BIT(ETM_OPT_CTXTID2)) {
+		if (!is_kernel_in_hyp_mode()) {
+			ret = -EINVAL;
+			goto out;
+		}
+		config->cfg |= BIT(ETM4_CFG_BIT_VMID) | BIT(ETM4_CFG_BIT_VMID_OPT);
+	}
+
 	/* return stack - enable if selected and supported */
 	if ((attr->config & BIT(ETM_OPT_RETSTK)) && drvdata->retstack)
 		/* bit[12], Return stack enable bit */
@@ -476,53 +766,60 @@
 	u32 control;
 	struct etmv4_drvdata *drvdata = info;
 	struct etmv4_config *config = &drvdata->config;
-	struct device *etm_dev = &drvdata->csdev->dev;
+	struct coresight_device *csdev = drvdata->csdev;
+	struct device *etm_dev = &csdev->dev;
+	struct csdev_access *csa = &csdev->access;
 	int i;
 
-	CS_UNLOCK(drvdata->base);
+	etm4_cs_unlock(drvdata, csa);
+	etm4_disable_arch_specific(drvdata);
 
 	if (!drvdata->skip_power_up) {
 		/* power can be removed from the trace unit now */
-		control = readl_relaxed(drvdata->base + TRCPDCR);
+		control = etm4x_relaxed_read32(csa, TRCPDCR);
 		control &= ~TRCPDCR_PU;
-		writel_relaxed(control, drvdata->base + TRCPDCR);
+		etm4x_relaxed_write32(csa, control, TRCPDCR);
 	}
 
-	control = readl_relaxed(drvdata->base + TRCPRGCTLR);
+	control = etm4x_relaxed_read32(csa, TRCPRGCTLR);
 
 	/* EN, bit[0] Trace unit enable bit */
 	control &= ~0x1;
 
 	/*
+	 * If the CPU supports v8.4 Trace filter Control,
+	 * set the ETM to trace prohibited region.
+	 */
+	etm4x_prohibit_trace(drvdata);
+	/*
 	 * Make sure everything completes before disabling, as recommended
 	 * by section 7.3.77 ("TRCVICTLR, ViewInst Main Control Register,
 	 * SSTATUS") of ARM IHI 0064D
 	 */
 	dsb(sy);
 	isb();
-	writel_relaxed(control, drvdata->base + TRCPRGCTLR);
+	/* Trace synchronization barrier, is a nop if not supported */
+	tsb_csync();
+	etm4x_relaxed_write32(csa, control, TRCPRGCTLR);
 
 	/* wait for TRCSTATR.PMSTABLE to go to '1' */
-	if (coresight_timeout(drvdata->base, TRCSTATR,
-			      TRCSTATR_PMSTABLE_BIT, 1))
+	if (coresight_timeout(csa, TRCSTATR, TRCSTATR_PMSTABLE_BIT, 1))
 		dev_err(etm_dev,
 			"timeout while waiting for PM stable Trace Status\n");
-
 	/* read the status of the single shot comparators */
 	for (i = 0; i < drvdata->nr_ss_cmp; i++) {
 		config->ss_status[i] =
-			readl_relaxed(drvdata->base + TRCSSCSRn(i));
+			etm4x_relaxed_read32(csa, TRCSSCSRn(i));
 	}
 
 	/* read back the current counter values */
 	for (i = 0; i < drvdata->nr_cntr; i++) {
 		config->cntr_val[i] =
-			readl_relaxed(drvdata->base + TRCCNTVRn(i));
+			etm4x_relaxed_read32(csa, TRCCNTVRn(i));
 	}
 
-	coresight_disclaim_device_unlocked(drvdata->base);
-
-	CS_LOCK(drvdata->base);
+	coresight_disclaim_device_unlocked(csdev);
+	etm4_cs_lock(drvdata, csa);
 
 	dev_dbg(&drvdata->csdev->dev,
 		"cpu: %d disable smp call done\n", drvdata->cpu);
@@ -546,7 +843,7 @@
 	 * scheduled again.  Configuration of the start/stop logic happens in
 	 * function etm4_set_event_filters().
 	 */
-	control = readl_relaxed(drvdata->base + TRCVICTLR);
+	control = etm4x_relaxed_read32(&csdev->access, TRCVICTLR);
 	/* TRCVICTLR::SSSTATUS, bit[9] */
 	filters->ssstatus = (control & BIT(9));
 
@@ -617,24 +914,147 @@
 	.source_ops	= &etm4_source_ops,
 };
 
+static inline bool cpu_supports_sysreg_trace(void)
+{
+	u64 dfr0 = read_sysreg_s(SYS_ID_AA64DFR0_EL1);
+
+	return ((dfr0 >> ID_AA64DFR0_TRACEVER_SHIFT) & 0xfUL) > 0;
+}
+
+static bool etm4_init_sysreg_access(struct etmv4_drvdata *drvdata,
+				    struct csdev_access *csa)
+{
+	u32 devarch;
+
+	if (!cpu_supports_sysreg_trace())
+		return false;
+
+	/*
+	 * ETMs implementing sysreg access must implement TRCDEVARCH.
+	 */
+	devarch = read_etm4x_sysreg_const_offset(TRCDEVARCH);
+	switch (devarch & ETM_DEVARCH_ID_MASK) {
+	case ETM_DEVARCH_ETMv4x_ARCH:
+		*csa = (struct csdev_access) {
+			.io_mem	= false,
+			.read	= etm4x_sysreg_read,
+			.write	= etm4x_sysreg_write,
+		};
+		break;
+	case ETM_DEVARCH_ETE_ARCH:
+		*csa = (struct csdev_access) {
+			.io_mem	= false,
+			.read	= ete_sysreg_read,
+			.write	= ete_sysreg_write,
+		};
+		break;
+	default:
+		return false;
+	}
+
+	drvdata->arch = etm_devarch_to_arch(devarch);
+	return true;
+}
+
+static bool etm4_init_iomem_access(struct etmv4_drvdata *drvdata,
+				   struct csdev_access *csa)
+{
+	u32 devarch = readl_relaxed(drvdata->base + TRCDEVARCH);
+
+	/*
+	 * All ETMs must implement TRCDEVARCH to indicate that
+	 * the component is an ETMv4. Even though TRCIDR1 also
+	 * contains the information, it is part of the "Trace"
+	 * register and must be accessed with the OSLK cleared,
+	 * with MMIO. But we cannot touch the OSLK until we are
+	 * sure this is an ETM. So rely only on the TRCDEVARCH.
+	 */
+	if ((devarch & ETM_DEVARCH_ID_MASK) != ETM_DEVARCH_ETMv4x_ARCH) {
+		pr_warn_once("TRCDEVARCH doesn't match ETMv4 architecture\n");
+		return false;
+	}
+
+	drvdata->arch = etm_devarch_to_arch(devarch);
+	*csa = CSDEV_ACCESS_IOMEM(drvdata->base);
+	return true;
+}
+
+static bool etm4_init_csdev_access(struct etmv4_drvdata *drvdata,
+				   struct csdev_access *csa)
+{
+	/*
+	 * Always choose the memory mapped io, if there is
+	 * a memory map to prevent sysreg access on broken
+	 * systems.
+	 */
+	if (drvdata->base)
+		return etm4_init_iomem_access(drvdata, csa);
+
+	if (etm4_init_sysreg_access(drvdata, csa))
+		return true;
+
+	return false;
+}
+
+static void cpu_detect_trace_filtering(struct etmv4_drvdata *drvdata)
+{
+	u64 dfr0 = read_sysreg(id_aa64dfr0_el1);
+	u64 trfcr;
+
+	drvdata->trfcr = 0;
+	if (!cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_TRACE_FILT_SHIFT))
+		return;
+
+	/*
+	 * If the CPU supports v8.4 SelfHosted Tracing, enable
+	 * tracing at the kernel EL and EL0, forcing to use the
+	 * virtual time as the timestamp.
+	 */
+	trfcr = (TRFCR_ELx_TS_VIRTUAL |
+		 TRFCR_ELx_ExTRE |
+		 TRFCR_ELx_E0TRE);
+
+	/* If we are running at EL2, allow tracing the CONTEXTIDR_EL2. */
+	if (is_kernel_in_hyp_mode())
+		trfcr |= TRFCR_EL2_CX;
+
+	drvdata->trfcr = trfcr;
+}
+
 static void etm4_init_arch_data(void *info)
 {
 	u32 etmidr0;
-	u32 etmidr1;
 	u32 etmidr2;
 	u32 etmidr3;
 	u32 etmidr4;
 	u32 etmidr5;
-	struct etmv4_drvdata *drvdata = info;
+	struct etm4_init_arg *init_arg = info;
+	struct etmv4_drvdata *drvdata;
+	struct csdev_access *csa;
 	int i;
 
-	/* Make sure all registers are accessible */
-	etm4_os_unlock(drvdata);
+	drvdata = init_arg->drvdata;
+	csa = init_arg->csa;
 
-	CS_UNLOCK(drvdata->base);
+	/*
+	 * If we are unable to detect the access mechanism,
+	 * or unable to detect the trace unit type, fail
+	 * early.
+	 */
+	if (!etm4_init_csdev_access(drvdata, csa))
+		return;
+
+	/* Detect the support for OS Lock before we actually use it */
+	etm_detect_os_lock(drvdata, csa);
+
+	/* Make sure all registers are accessible */
+	etm4_os_unlock_csa(drvdata, csa);
+	etm4_cs_unlock(drvdata, csa);
+
+	etm4_check_arch_features(drvdata, init_arg->pid);
 
 	/* find all capabilities of the tracing unit */
-	etmidr0 = readl_relaxed(drvdata->base + TRCIDR0);
+	etmidr0 = etm4x_relaxed_read32(csa, TRCIDR0);
 
 	/* INSTP0, bits[2:1] P0 tracing support field */
 	if (BMVAL(etmidr0, 1, 1) && BMVAL(etmidr0, 2, 2))
@@ -673,17 +1093,8 @@
 	/* TSSIZE, bits[28:24] Global timestamp size field */
 	drvdata->ts_size = BMVAL(etmidr0, 24, 28);
 
-	/* base architecture of trace unit */
-	etmidr1 = readl_relaxed(drvdata->base + TRCIDR1);
-	/*
-	 * TRCARCHMIN, bits[7:4] architecture the minor version number
-	 * TRCARCHMAJ, bits[11:8] architecture major versin number
-	 */
-	drvdata->arch = BMVAL(etmidr1, 4, 11);
-	drvdata->config.arch = drvdata->arch;
-
 	/* maximum size of resources */
-	etmidr2 = readl_relaxed(drvdata->base + TRCIDR2);
+	etmidr2 = etm4x_relaxed_read32(csa, TRCIDR2);
 	/* CIDSIZE, bits[9:5] Indicates the Context ID size */
 	drvdata->ctxid_size = BMVAL(etmidr2, 5, 9);
 	/* VMIDSIZE, bits[14:10] Indicates the VMID size */
@@ -691,11 +1102,12 @@
 	/* CCSIZE, bits[28:25] size of the cycle counter in bits minus 12 */
 	drvdata->ccsize = BMVAL(etmidr2, 25, 28);
 
-	etmidr3 = readl_relaxed(drvdata->base + TRCIDR3);
+	etmidr3 = etm4x_relaxed_read32(csa, TRCIDR3);
 	/* CCITMIN, bits[11:0] minimum threshold value that can be programmed */
 	drvdata->ccitmin = BMVAL(etmidr3, 0, 11);
 	/* EXLEVEL_S, bits[19:16] Secure state instruction tracing */
 	drvdata->s_ex_level = BMVAL(etmidr3, 16, 19);
+	drvdata->config.s_ex_level = drvdata->s_ex_level;
 	/* EXLEVEL_NS, bits[23:20] Non-secure state instruction tracing */
 	drvdata->ns_ex_level = BMVAL(etmidr3, 20, 23);
 
@@ -736,7 +1148,7 @@
 		drvdata->nooverflow = false;
 
 	/* number of resources trace unit supports */
-	etmidr4 = readl_relaxed(drvdata->base + TRCIDR4);
+	etmidr4 = etm4x_relaxed_read32(csa, TRCIDR4);
 	/* NUMACPAIRS, bits[0:3] number of addr comparator pairs for tracing */
 	drvdata->nr_addr_cmp = BMVAL(etmidr4, 0, 3);
 	/* NUMPC, bits[15:12] number of PE comparator inputs for tracing */
@@ -752,7 +1164,7 @@
 	 * Otherwise for values 0x1 and above the number is N + 1 as per v4.2.
 	 */
 	drvdata->nr_resource = BMVAL(etmidr4, 16, 19);
-	if ((drvdata->arch < ETM4X_ARCH_4V3) || (drvdata->nr_resource > 0))
+	if ((drvdata->arch < ETM_ARCH_V4_3) || (drvdata->nr_resource > 0))
 		drvdata->nr_resource += 1;
 	/*
 	 * NUMSSCC, bits[23:20] the number of single-shot
@@ -762,14 +1174,14 @@
 	drvdata->nr_ss_cmp = BMVAL(etmidr4, 20, 23);
 	for (i = 0; i < drvdata->nr_ss_cmp; i++) {
 		drvdata->config.ss_status[i] =
-			readl_relaxed(drvdata->base + TRCSSCSRn(i));
+			etm4x_relaxed_read32(csa, TRCSSCSRn(i));
 	}
 	/* NUMCIDC, bits[27:24] number of Context ID comparators for tracing */
 	drvdata->numcidc = BMVAL(etmidr4, 24, 27);
 	/* NUMVMIDC, bits[31:28] number of VMID comparators for tracing */
 	drvdata->numvmidc = BMVAL(etmidr4, 28, 31);
 
-	etmidr5 = readl_relaxed(drvdata->base + TRCIDR5);
+	etmidr5 = etm4x_relaxed_read32(csa, TRCIDR5);
 	/* NUMEXTIN, bits[8:0] number of external inputs implemented */
 	drvdata->nr_ext_inp = BMVAL(etmidr5, 0, 8);
 	/* TRACEIDSIZE, bits[21:16] indicates the trace ID width */
@@ -791,23 +1203,20 @@
 	drvdata->nrseqstate = BMVAL(etmidr5, 25, 27);
 	/* NUMCNTR, bits[30:28] number of counters available for tracing */
 	drvdata->nr_cntr = BMVAL(etmidr5, 28, 30);
-	CS_LOCK(drvdata->base);
+	etm4_cs_lock(drvdata, csa);
+	cpu_detect_trace_filtering(drvdata);
+}
+
+static inline u32 etm4_get_victlr_access_type(struct etmv4_config *config)
+{
+	return etm4_get_access_type(config) << TRCVICTLR_EXLEVEL_SHIFT;
 }
 
 /* Set ELx trace filter access in the TRCVICTLR register */
 static void etm4_set_victlr_access(struct etmv4_config *config)
 {
-	u64 access_type;
-
-	config->vinst_ctrl &= ~(ETM_EXLEVEL_S_VICTLR_MASK | ETM_EXLEVEL_NS_VICTLR_MASK);
-
-	/*
-	 * TRCVICTLR::EXLEVEL_NS:EXLEVELS: Set kernel / user filtering
-	 * bits in vinst_ctrl, same bit pattern as TRCACATRn values returned by
-	 * etm4_get_access_type() but with a relative shift in this register.
-	 */
-	access_type = etm4_get_access_type(config) << ETM_EXLEVEL_LSHIFT_TRCVICTLR;
-	config->vinst_ctrl |= (u32)access_type;
+	config->vinst_ctrl &= ~TRCVICTLR_EXLEVEL_MASK;
+	config->vinst_ctrl |= etm4_get_victlr_access_type(config);
 }
 
 static void etm4_set_default_config(struct etmv4_config *config)
@@ -837,12 +1246,9 @@
 	u64 access_type = 0;
 
 	/*
-	 * EXLEVEL_NS, bits[15:12]
-	 * The Exception levels are:
-	 *   Bit[12] Exception level 0 - Application
-	 *   Bit[13] Exception level 1 - OS
-	 *   Bit[14] Exception level 2 - Hypervisor
-	 *   Bit[15] Never implemented
+	 * EXLEVEL_NS, for NonSecure Exception levels.
+	 * The mask here is a generic value and must be
+	 * shifted to the corresponding field for the registers
 	 */
 	if (!is_kernel_in_hyp_mode()) {
 		/* Stay away from hypervisor mode for non-VHE */
@@ -859,27 +1265,26 @@
 	return access_type;
 }
 
+/*
+ * Construct the exception level masks for a given config.
+ * This must be shifted to the corresponding register field
+ * for usage.
+ */
 static u64 etm4_get_access_type(struct etmv4_config *config)
 {
-	u64 access_type = etm4_get_ns_access_type(config);
-	u64 s_hyp = (config->arch & 0x0f) >= 0x4 ? ETM_EXLEVEL_S_HYP : 0;
+	/* All Secure exception levels are excluded from the trace */
+	return etm4_get_ns_access_type(config) | (u64)config->s_ex_level;
+}
 
-	/*
-	 * EXLEVEL_S, bits[11:8], don't trace anything happening
-	 * in secure state.
-	 */
-	access_type |= (ETM_EXLEVEL_S_APP	|
-			ETM_EXLEVEL_S_OS	|
-			s_hyp			|
-			ETM_EXLEVEL_S_MON);
-
-	return access_type;
+static u64 etm4_get_comparator_access_type(struct etmv4_config *config)
+{
+	return etm4_get_access_type(config) << TRCACATR_EXLEVEL_SHIFT;
 }
 
 static void etm4_set_comparator_filter(struct etmv4_config *config,
 				       u64 start, u64 stop, int comparator)
 {
-	u64 access_type = etm4_get_access_type(config);
+	u64 access_type = etm4_get_comparator_access_type(config);
 
 	/* First half of default address comparator */
 	config->addr_val[comparator] = start;
@@ -914,7 +1319,7 @@
 				       enum etm_addr_type type)
 {
 	int shift;
-	u64 access_type = etm4_get_access_type(config);
+	u64 access_type = etm4_get_comparator_access_type(config);
 
 	/* Configure the comparator */
 	config->addr_val[comparator] = address;
@@ -1151,11 +1556,19 @@
 	drvdata->trcid = coresight_get_trace_id(drvdata->cpu);
 }
 
-static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
+static int __etm4_cpu_save(struct etmv4_drvdata *drvdata)
 {
 	int i, ret = 0;
 	struct etmv4_save_state *state;
-	struct device *etm_dev = &drvdata->csdev->dev;
+	struct coresight_device *csdev = drvdata->csdev;
+	struct csdev_access *csa;
+	struct device *etm_dev;
+
+	if (WARN_ON(!csdev))
+		return -ENODEV;
+
+	etm_dev = &csdev->dev;
+	csa = &csdev->access;
 
 	/*
 	 * As recommended by 3.4.1 ("The procedure when powering down the PE")
@@ -1164,14 +1577,12 @@
 	dsb(sy);
 	isb();
 
-	CS_UNLOCK(drvdata->base);
-
+	etm4_cs_unlock(drvdata, csa);
 	/* Lock the OS lock to disable trace and external debugger access */
 	etm4_os_lock(drvdata);
 
 	/* wait for TRCSTATR.PMSTABLE to go up */
-	if (coresight_timeout(drvdata->base, TRCSTATR,
-			      TRCSTATR_PMSTABLE_BIT, 1)) {
+	if (coresight_timeout(csa, TRCSTATR, TRCSTATR_PMSTABLE_BIT, 1)) {
 		dev_err(etm_dev,
 			"timeout while waiting for PM Stable Status\n");
 		etm4_os_unlock(drvdata);
@@ -1181,56 +1592,57 @@
 
 	state = drvdata->save_state;
 
-	state->trcprgctlr = readl(drvdata->base + TRCPRGCTLR);
+	state->trcprgctlr = etm4x_read32(csa, TRCPRGCTLR);
 	if (drvdata->nr_pe)
-		state->trcprocselr = readl(drvdata->base + TRCPROCSELR);
-	state->trcconfigr = readl(drvdata->base + TRCCONFIGR);
-	state->trcauxctlr = readl(drvdata->base + TRCAUXCTLR);
-	state->trceventctl0r = readl(drvdata->base + TRCEVENTCTL0R);
-	state->trceventctl1r = readl(drvdata->base + TRCEVENTCTL1R);
+		state->trcprocselr = etm4x_read32(csa, TRCPROCSELR);
+	state->trcconfigr = etm4x_read32(csa, TRCCONFIGR);
+	state->trcauxctlr = etm4x_read32(csa, TRCAUXCTLR);
+	state->trceventctl0r = etm4x_read32(csa, TRCEVENTCTL0R);
+	state->trceventctl1r = etm4x_read32(csa, TRCEVENTCTL1R);
 	if (drvdata->stallctl)
-		state->trcstallctlr = readl(drvdata->base + TRCSTALLCTLR);
-	state->trctsctlr = readl(drvdata->base + TRCTSCTLR);
-	state->trcsyncpr = readl(drvdata->base + TRCSYNCPR);
-	state->trcccctlr = readl(drvdata->base + TRCCCCTLR);
-	state->trcbbctlr = readl(drvdata->base + TRCBBCTLR);
-	state->trctraceidr = readl(drvdata->base + TRCTRACEIDR);
-	state->trcqctlr = readl(drvdata->base + TRCQCTLR);
+		state->trcstallctlr = etm4x_read32(csa, TRCSTALLCTLR);
+	state->trctsctlr = etm4x_read32(csa, TRCTSCTLR);
+	state->trcsyncpr = etm4x_read32(csa, TRCSYNCPR);
+	state->trcccctlr = etm4x_read32(csa, TRCCCCTLR);
+	state->trcbbctlr = etm4x_read32(csa, TRCBBCTLR);
+	state->trctraceidr = etm4x_read32(csa, TRCTRACEIDR);
+	state->trcqctlr = etm4x_read32(csa, TRCQCTLR);
 
-	state->trcvictlr = readl(drvdata->base + TRCVICTLR);
-	state->trcviiectlr = readl(drvdata->base + TRCVIIECTLR);
-	state->trcvissctlr = readl(drvdata->base + TRCVISSCTLR);
+	state->trcvictlr = etm4x_read32(csa, TRCVICTLR);
+	state->trcviiectlr = etm4x_read32(csa, TRCVIIECTLR);
+	state->trcvissctlr = etm4x_read32(csa, TRCVISSCTLR);
 	if (drvdata->nr_pe_cmp)
-		state->trcvipcssctlr = readl(drvdata->base + TRCVIPCSSCTLR);
-	state->trcvdctlr = readl(drvdata->base + TRCVDCTLR);
-	state->trcvdsacctlr = readl(drvdata->base + TRCVDSACCTLR);
-	state->trcvdarcctlr = readl(drvdata->base + TRCVDARCCTLR);
+		state->trcvipcssctlr = etm4x_read32(csa, TRCVIPCSSCTLR);
+	state->trcvdctlr = etm4x_read32(csa, TRCVDCTLR);
+	state->trcvdsacctlr = etm4x_read32(csa, TRCVDSACCTLR);
+	state->trcvdarcctlr = etm4x_read32(csa, TRCVDARCCTLR);
 
 	for (i = 0; i < drvdata->nrseqstate - 1; i++)
-		state->trcseqevr[i] = readl(drvdata->base + TRCSEQEVRn(i));
+		state->trcseqevr[i] = etm4x_read32(csa, TRCSEQEVRn(i));
 
-	state->trcseqrstevr = readl(drvdata->base + TRCSEQRSTEVR);
-	state->trcseqstr = readl(drvdata->base + TRCSEQSTR);
-	state->trcextinselr = readl(drvdata->base + TRCEXTINSELR);
+	state->trcseqrstevr = etm4x_read32(csa, TRCSEQRSTEVR);
+	state->trcseqstr = etm4x_read32(csa, TRCSEQSTR);
+	state->trcextinselr = etm4x_read32(csa, TRCEXTINSELR);
 
 	for (i = 0; i < drvdata->nr_cntr; i++) {
-		state->trccntrldvr[i] = readl(drvdata->base + TRCCNTRLDVRn(i));
-		state->trccntctlr[i] = readl(drvdata->base + TRCCNTCTLRn(i));
-		state->trccntvr[i] = readl(drvdata->base + TRCCNTVRn(i));
+		state->trccntrldvr[i] = etm4x_read32(csa, TRCCNTRLDVRn(i));
+		state->trccntctlr[i] = etm4x_read32(csa, TRCCNTCTLRn(i));
+		state->trccntvr[i] = etm4x_read32(csa, TRCCNTVRn(i));
 	}
 
 	for (i = 0; i < drvdata->nr_resource * 2; i++)
-		state->trcrsctlr[i] = readl(drvdata->base + TRCRSCTLRn(i));
+		state->trcrsctlr[i] = etm4x_read32(csa, TRCRSCTLRn(i));
 
 	for (i = 0; i < drvdata->nr_ss_cmp; i++) {
-		state->trcssccr[i] = readl(drvdata->base + TRCSSCCRn(i));
-		state->trcsscsr[i] = readl(drvdata->base + TRCSSCSRn(i));
-		state->trcsspcicr[i] = readl(drvdata->base + TRCSSPCICRn(i));
+		state->trcssccr[i] = etm4x_read32(csa, TRCSSCCRn(i));
+		state->trcsscsr[i] = etm4x_read32(csa, TRCSSCSRn(i));
+		if (etm4x_sspcicrn_present(drvdata, i))
+			state->trcsspcicr[i] = etm4x_read32(csa, TRCSSPCICRn(i));
 	}
 
 	for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
-		state->trcacvr[i] = readq(drvdata->base + TRCACVRn(i));
-		state->trcacatr[i] = readq(drvdata->base + TRCACATRn(i));
+		state->trcacvr[i] = etm4x_read64(csa, TRCACVRn(i));
+		state->trcacatr[i] = etm4x_read64(csa, TRCACATRn(i));
 	}
 
 	/*
@@ -1241,26 +1653,26 @@
 	 */
 
 	for (i = 0; i < drvdata->numcidc; i++)
-		state->trccidcvr[i] = readq(drvdata->base + TRCCIDCVRn(i));
+		state->trccidcvr[i] = etm4x_read64(csa, TRCCIDCVRn(i));
 
 	for (i = 0; i < drvdata->numvmidc; i++)
-		state->trcvmidcvr[i] = readq(drvdata->base + TRCVMIDCVRn(i));
+		state->trcvmidcvr[i] = etm4x_read64(csa, TRCVMIDCVRn(i));
 
-	state->trccidcctlr0 = readl(drvdata->base + TRCCIDCCTLR0);
+	state->trccidcctlr0 = etm4x_read32(csa, TRCCIDCCTLR0);
 	if (drvdata->numcidc > 4)
-		state->trccidcctlr1 = readl(drvdata->base + TRCCIDCCTLR1);
+		state->trccidcctlr1 = etm4x_read32(csa, TRCCIDCCTLR1);
 
-	state->trcvmidcctlr0 = readl(drvdata->base + TRCVMIDCCTLR0);
+	state->trcvmidcctlr0 = etm4x_read32(csa, TRCVMIDCCTLR0);
 	if (drvdata->numvmidc > 4)
-		state->trcvmidcctlr1 = readl(drvdata->base + TRCVMIDCCTLR1);
+		state->trcvmidcctlr0 = etm4x_read32(csa, TRCVMIDCCTLR1);
 
-	state->trcclaimset = readl(drvdata->base + TRCCLAIMCLR);
+	state->trcclaimset = etm4x_read32(csa, TRCCLAIMCLR);
 
 	if (!drvdata->skip_power_up)
-		state->trcpdcr = readl(drvdata->base + TRCPDCR);
+		state->trcpdcr = etm4x_read32(csa, TRCPDCR);
 
 	/* wait for TRCSTATR.IDLE to go up */
-	if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1)) {
+	if (coresight_timeout(csa, TRCSTATR, TRCSTATR_IDLE_BIT, 1)) {
 		dev_err(etm_dev,
 			"timeout while waiting for Idle Trace Status\n");
 		etm4_os_unlock(drvdata);
@@ -1276,104 +1688,110 @@
 	 * despite requesting software to save/restore state.
 	 */
 	if (!drvdata->skip_power_up)
-		writel_relaxed((state->trcpdcr & ~TRCPDCR_PU),
-				drvdata->base + TRCPDCR);
+		etm4x_relaxed_write32(csa, (state->trcpdcr & ~TRCPDCR_PU),
+				      TRCPDCR);
 out:
-	CS_LOCK(drvdata->base);
+	etm4_cs_lock(drvdata, csa);
 	return ret;
 }
 
-static void etm4_cpu_restore(struct etmv4_drvdata *drvdata)
+static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
+{
+	int ret = 0;
+
+	/* Save the TRFCR irrespective of whether the ETM is ON */
+	if (drvdata->trfcr)
+		drvdata->save_trfcr = read_trfcr();
+	/*
+	 * Save and restore the ETM Trace registers only if
+	 * the ETM is active.
+	 */
+	if (local_read(&drvdata->mode) && drvdata->save_state)
+		ret = __etm4_cpu_save(drvdata);
+	return ret;
+}
+
+static void __etm4_cpu_restore(struct etmv4_drvdata *drvdata)
 {
 	int i;
 	struct etmv4_save_state *state = drvdata->save_state;
+	struct csdev_access tmp_csa = CSDEV_ACCESS_IOMEM(drvdata->base);
+	struct csdev_access *csa = &tmp_csa;
 
-	CS_UNLOCK(drvdata->base);
+	etm4_cs_unlock(drvdata, csa);
+	etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET);
 
-	writel_relaxed(state->trcclaimset, drvdata->base + TRCCLAIMSET);
-
-	writel_relaxed(state->trcprgctlr, drvdata->base + TRCPRGCTLR);
+	etm4x_relaxed_write32(csa, state->trcprgctlr, TRCPRGCTLR);
 	if (drvdata->nr_pe)
-		writel_relaxed(state->trcprocselr, drvdata->base + TRCPROCSELR);
-	writel_relaxed(state->trcconfigr, drvdata->base + TRCCONFIGR);
-	writel_relaxed(state->trcauxctlr, drvdata->base + TRCAUXCTLR);
-	writel_relaxed(state->trceventctl0r, drvdata->base + TRCEVENTCTL0R);
-	writel_relaxed(state->trceventctl1r, drvdata->base + TRCEVENTCTL1R);
+		etm4x_relaxed_write32(csa, state->trcprocselr, TRCPROCSELR);
+	etm4x_relaxed_write32(csa, state->trcconfigr, TRCCONFIGR);
+	etm4x_relaxed_write32(csa, state->trcauxctlr, TRCAUXCTLR);
+	etm4x_relaxed_write32(csa, state->trceventctl0r, TRCEVENTCTL0R);
+	etm4x_relaxed_write32(csa, state->trceventctl1r, TRCEVENTCTL1R);
 	if (drvdata->stallctl)
-		writel_relaxed(state->trcstallctlr, drvdata->base + TRCSTALLCTLR);
-	writel_relaxed(state->trctsctlr, drvdata->base + TRCTSCTLR);
-	writel_relaxed(state->trcsyncpr, drvdata->base + TRCSYNCPR);
-	writel_relaxed(state->trcccctlr, drvdata->base + TRCCCCTLR);
-	writel_relaxed(state->trcbbctlr, drvdata->base + TRCBBCTLR);
-	writel_relaxed(state->trctraceidr, drvdata->base + TRCTRACEIDR);
-	writel_relaxed(state->trcqctlr, drvdata->base + TRCQCTLR);
+		etm4x_relaxed_write32(csa, state->trcstallctlr, TRCSTALLCTLR);
+	etm4x_relaxed_write32(csa, state->trctsctlr, TRCTSCTLR);
+	etm4x_relaxed_write32(csa, state->trcsyncpr, TRCSYNCPR);
+	etm4x_relaxed_write32(csa, state->trcccctlr, TRCCCCTLR);
+	etm4x_relaxed_write32(csa, state->trcbbctlr, TRCBBCTLR);
+	etm4x_relaxed_write32(csa, state->trctraceidr, TRCTRACEIDR);
+	etm4x_relaxed_write32(csa, state->trcqctlr, TRCQCTLR);
 
-	writel_relaxed(state->trcvictlr, drvdata->base + TRCVICTLR);
-	writel_relaxed(state->trcviiectlr, drvdata->base + TRCVIIECTLR);
-	writel_relaxed(state->trcvissctlr, drvdata->base + TRCVISSCTLR);
+	etm4x_relaxed_write32(csa, state->trcvictlr, TRCVICTLR);
+	etm4x_relaxed_write32(csa, state->trcviiectlr, TRCVIIECTLR);
+	etm4x_relaxed_write32(csa, state->trcvissctlr, TRCVISSCTLR);
 	if (drvdata->nr_pe_cmp)
-		writel_relaxed(state->trcvipcssctlr, drvdata->base + TRCVIPCSSCTLR);
-	writel_relaxed(state->trcvdctlr, drvdata->base + TRCVDCTLR);
-	writel_relaxed(state->trcvdsacctlr, drvdata->base + TRCVDSACCTLR);
-	writel_relaxed(state->trcvdarcctlr, drvdata->base + TRCVDARCCTLR);
+		etm4x_relaxed_write32(csa, state->trcvipcssctlr, TRCVIPCSSCTLR);
+	etm4x_relaxed_write32(csa, state->trcvdctlr, TRCVDCTLR);
+	etm4x_relaxed_write32(csa, state->trcvdsacctlr, TRCVDSACCTLR);
+	etm4x_relaxed_write32(csa, state->trcvdarcctlr, TRCVDARCCTLR);
 
 	for (i = 0; i < drvdata->nrseqstate - 1; i++)
-		writel_relaxed(state->trcseqevr[i],
-			       drvdata->base + TRCSEQEVRn(i));
+		etm4x_relaxed_write32(csa, state->trcseqevr[i], TRCSEQEVRn(i));
 
-	writel_relaxed(state->trcseqrstevr, drvdata->base + TRCSEQRSTEVR);
-	writel_relaxed(state->trcseqstr, drvdata->base + TRCSEQSTR);
-	writel_relaxed(state->trcextinselr, drvdata->base + TRCEXTINSELR);
+	etm4x_relaxed_write32(csa, state->trcseqrstevr, TRCSEQRSTEVR);
+	etm4x_relaxed_write32(csa, state->trcseqstr, TRCSEQSTR);
+	etm4x_relaxed_write32(csa, state->trcextinselr, TRCEXTINSELR);
 
 	for (i = 0; i < drvdata->nr_cntr; i++) {
-		writel_relaxed(state->trccntrldvr[i],
-			       drvdata->base + TRCCNTRLDVRn(i));
-		writel_relaxed(state->trccntctlr[i],
-			       drvdata->base + TRCCNTCTLRn(i));
-		writel_relaxed(state->trccntvr[i],
-			       drvdata->base + TRCCNTVRn(i));
+		etm4x_relaxed_write32(csa, state->trccntrldvr[i], TRCCNTRLDVRn(i));
+		etm4x_relaxed_write32(csa, state->trccntctlr[i], TRCCNTCTLRn(i));
+		etm4x_relaxed_write32(csa, state->trccntvr[i], TRCCNTVRn(i));
 	}
 
 	for (i = 0; i < drvdata->nr_resource * 2; i++)
-		writel_relaxed(state->trcrsctlr[i],
-			       drvdata->base + TRCRSCTLRn(i));
+		etm4x_relaxed_write32(csa, state->trcrsctlr[i], TRCRSCTLRn(i));
 
 	for (i = 0; i < drvdata->nr_ss_cmp; i++) {
-		writel_relaxed(state->trcssccr[i],
-			       drvdata->base + TRCSSCCRn(i));
-		writel_relaxed(state->trcsscsr[i],
-			       drvdata->base + TRCSSCSRn(i));
-		writel_relaxed(state->trcsspcicr[i],
-			       drvdata->base + TRCSSPCICRn(i));
+		etm4x_relaxed_write32(csa, state->trcssccr[i], TRCSSCCRn(i));
+		etm4x_relaxed_write32(csa, state->trcsscsr[i], TRCSSCSRn(i));
+		if (etm4x_sspcicrn_present(drvdata, i))
+			etm4x_relaxed_write32(csa, state->trcsspcicr[i], TRCSSPCICRn(i));
 	}
 
 	for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
-		writeq_relaxed(state->trcacvr[i],
-			       drvdata->base + TRCACVRn(i));
-		writeq_relaxed(state->trcacatr[i],
-			       drvdata->base + TRCACATRn(i));
+		etm4x_relaxed_write64(csa, state->trcacvr[i], TRCACVRn(i));
+		etm4x_relaxed_write64(csa, state->trcacatr[i], TRCACATRn(i));
 	}
 
 	for (i = 0; i < drvdata->numcidc; i++)
-		writeq_relaxed(state->trccidcvr[i],
-			       drvdata->base + TRCCIDCVRn(i));
+		etm4x_relaxed_write64(csa, state->trccidcvr[i], TRCCIDCVRn(i));
 
 	for (i = 0; i < drvdata->numvmidc; i++)
-		writeq_relaxed(state->trcvmidcvr[i],
-			       drvdata->base + TRCVMIDCVRn(i));
+		etm4x_relaxed_write64(csa, state->trcvmidcvr[i], TRCVMIDCVRn(i));
 
-	writel_relaxed(state->trccidcctlr0, drvdata->base + TRCCIDCCTLR0);
+	etm4x_relaxed_write32(csa, state->trccidcctlr0, TRCCIDCCTLR0);
 	if (drvdata->numcidc > 4)
-		writel_relaxed(state->trccidcctlr1, drvdata->base + TRCCIDCCTLR1);
+		etm4x_relaxed_write32(csa, state->trccidcctlr1, TRCCIDCCTLR1);
 
-	writel_relaxed(state->trcvmidcctlr0, drvdata->base + TRCVMIDCCTLR0);
+	etm4x_relaxed_write32(csa, state->trcvmidcctlr0, TRCVMIDCCTLR0);
 	if (drvdata->numvmidc > 4)
-		writel_relaxed(state->trcvmidcctlr1, drvdata->base + TRCVMIDCCTLR1);
+		etm4x_relaxed_write32(csa, state->trcvmidcctlr0, TRCVMIDCCTLR1);
 
-	writel_relaxed(state->trcclaimset, drvdata->base + TRCCLAIMSET);
+	etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET);
 
 	if (!drvdata->skip_power_up)
-		writel_relaxed(state->trcpdcr, drvdata->base + TRCPDCR);
+		etm4x_relaxed_write32(csa, state->trcpdcr, TRCPDCR);
 
 	drvdata->state_needs_restore = false;
 
@@ -1386,7 +1804,15 @@
 
 	/* Unlock the OS lock to re-enable trace and external debug access */
 	etm4_os_unlock(drvdata);
-	CS_LOCK(drvdata->base);
+	etm4_cs_lock(drvdata, csa);
+}
+
+static void etm4_cpu_restore(struct etmv4_drvdata *drvdata)
+{
+	if (drvdata->trfcr)
+		write_trfcr(drvdata->save_trfcr);
+	if (drvdata->state_needs_restore)
+		__etm4_cpu_restore(drvdata);
 }
 
 static int etm4_cpu_pm_notify(struct notifier_block *nb, unsigned long cmd,
@@ -1400,23 +1826,17 @@
 
 	drvdata = etmdrvdata[cpu];
 
-	if (!drvdata->save_state)
-		return NOTIFY_OK;
-
 	if (WARN_ON_ONCE(drvdata->cpu != cpu))
 		return NOTIFY_BAD;
 
 	switch (cmd) {
 	case CPU_PM_ENTER:
-		/* save the state if self-hosted coresight is in use */
-		if (local_read(&drvdata->mode))
-			if (etm4_cpu_save(drvdata))
-				return NOTIFY_BAD;
+		if (etm4_cpu_save(drvdata))
+			return NOTIFY_BAD;
 		break;
 	case CPU_PM_EXIT:
 	case CPU_PM_ENTER_FAILED:
-		if (drvdata->state_needs_restore)
-			etm4_cpu_restore(drvdata);
+		etm4_cpu_restore(drvdata);
 		break;
 	default:
 		return NOTIFY_DONE;
@@ -1473,15 +1893,15 @@
 	}
 }
 
-static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
+static int etm4_probe(struct device *dev, void __iomem *base, u32 etm_pid)
 {
 	int ret;
-	void __iomem *base;
-	struct device *dev = &adev->dev;
 	struct coresight_platform_data *pdata = NULL;
 	struct etmv4_drvdata *drvdata;
-	struct resource *res = &adev->res;
 	struct coresight_desc desc = { 0 };
+	struct etm4_init_arg init_arg = { 0 };
+	u8 major, minor;
+	char *type_name;
 
 	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
 	if (!drvdata)
@@ -1500,14 +1920,6 @@
 			return -ENOMEM;
 	}
 
-	if (fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))
-		drvdata->skip_power_up = true;
-
-	/* Validity for the resource is already checked by the AMBA core */
-	base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
 	drvdata->base = base;
 
 	spin_lock_init(&drvdata->spinlock);
@@ -1516,17 +1928,38 @@
 	if (drvdata->cpu < 0)
 		return drvdata->cpu;
 
-	desc.name = devm_kasprintf(dev, GFP_KERNEL, "etm%d", drvdata->cpu);
-	if (!desc.name)
-		return -ENOMEM;
+	init_arg.drvdata = drvdata;
+	init_arg.csa = &desc.access;
+	init_arg.pid = etm_pid;
 
 	if (smp_call_function_single(drvdata->cpu,
-				etm4_init_arch_data,  drvdata, 1))
+				etm4_init_arch_data,  &init_arg, 1))
 		dev_err(dev, "ETM arch init failed\n");
 
-	if (etm4_arch_supported(drvdata->arch) == false)
+	if (!drvdata->arch)
 		return -EINVAL;
 
+	/* TRCPDCR is not accessible with system instructions. */
+	if (!desc.access.io_mem ||
+	    fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))
+		drvdata->skip_power_up = true;
+
+	major = ETM_ARCH_MAJOR_VERSION(drvdata->arch);
+	minor = ETM_ARCH_MINOR_VERSION(drvdata->arch);
+
+	if (etm4x_is_ete(drvdata)) {
+		type_name = "ete";
+		/* ETE v1 has major version == 0b101. Adjust this for logging.*/
+		major -= 4;
+	} else {
+		type_name = "etm";
+	}
+
+	desc.name = devm_kasprintf(dev, GFP_KERNEL,
+				   "%s%d", type_name, drvdata->cpu);
+	if (!desc.name)
+		return -ENOMEM;
+
 	etm4_init_trace_id(drvdata);
 	etm4_set_default(&drvdata->config);
 
@@ -1534,7 +1967,7 @@
 	if (IS_ERR(pdata))
 		return PTR_ERR(pdata);
 
-	adev->dev.platform_data = pdata;
+	dev->platform_data = pdata;
 
 	desc.type = CORESIGHT_DEV_TYPE_SOURCE;
 	desc.subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_PROC;
@@ -1554,9 +1987,8 @@
 
 	etmdrvdata[drvdata->cpu] = drvdata;
 
-	pm_runtime_put(&adev->dev);
-	dev_info(&drvdata->csdev->dev, "CPU%d: ETM v%d.%d initialized\n",
-		 drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf);
+	dev_info(&drvdata->csdev->dev, "CPU%d: %s v%d.%d initialized\n",
+		 drvdata->cpu, type_name, major, minor);
 
 	if (boot_enable) {
 		coresight_enable(drvdata->csdev);
@@ -1566,11 +1998,49 @@
 	return 0;
 }
 
+static int etm4_probe_amba(struct amba_device *adev, const struct amba_id *id)
+{
+	void __iomem *base;
+	struct device *dev = &adev->dev;
+	struct resource *res = &adev->res;
+	int ret;
+
+	/* Validity for the resource is already checked by the AMBA core */
+	base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	ret = etm4_probe(dev, base, id->id);
+	if (!ret)
+		pm_runtime_put(&adev->dev);
+
+	return ret;
+}
+
+static int etm4_probe_platform_dev(struct platform_device *pdev)
+{
+	int ret;
+
+	pm_runtime_get_noresume(&pdev->dev);
+	pm_runtime_set_active(&pdev->dev);
+	pm_runtime_enable(&pdev->dev);
+
+	/*
+	 * System register based devices could match the
+	 * HW by reading appropriate registers on the HW
+	 * and thus we could skip the PID.
+	 */
+	ret = etm4_probe(&pdev->dev, NULL, 0);
+
+	pm_runtime_put(&pdev->dev);
+	return ret;
+}
+
 static struct amba_cs_uci_id uci_id_etm4[] = {
 	{
 		/*  ETMv4 UCI data */
-		.devarch	= 0x47704a13,
-		.devarch_mask	= 0xfff0ffff,
+		.devarch	= ETM_DEVARCH_ETMv4x_ARCH,
+		.devarch_mask	= ETM_DEVARCH_ID_MASK,
 		.devtype	= 0x00000013,
 	}
 };
@@ -1582,15 +2052,12 @@
 	etmdrvdata[cpu] = NULL;
 }
 
-static void etm4_remove(struct amba_device *adev)
+static void __exit etm4_remove_dev(struct etmv4_drvdata *drvdata)
 {
-	struct etmv4_drvdata *drvdata = dev_get_drvdata(&adev->dev);
-
 	etm_perf_symlink(drvdata->csdev, false);
-
 	/*
-	 * Taking hotplug lock here to avoid racing between etm4_remove and
-	 * CPU hotplug call backs.
+	 * Taking hotplug lock here to avoid racing between etm4_remove_dev()
+	 * and CPU hotplug call backs.
 	 */
 	cpus_read_lock();
 	/*
@@ -1607,12 +2074,33 @@
 	coresight_unregister(drvdata->csdev);
 }
 
+static void __exit etm4_remove_amba(struct amba_device *adev)
+{
+	struct etmv4_drvdata *drvdata = dev_get_drvdata(&adev->dev);
+
+	if (drvdata)
+		etm4_remove_dev(drvdata);
+}
+
+static int __exit etm4_remove_platform_dev(struct platform_device *pdev)
+{
+	int ret = 0;
+	struct etmv4_drvdata *drvdata = dev_get_drvdata(&pdev->dev);
+
+	if (drvdata)
+		etm4_remove_dev(drvdata);
+	pm_runtime_disable(&pdev->dev);
+	return ret;
+}
+
 static const struct amba_id etm4_ids[] = {
 	CS_AMBA_ID(0x000bb95d),			/* Cortex-A53 */
 	CS_AMBA_ID(0x000bb95e),			/* Cortex-A57 */
 	CS_AMBA_ID(0x000bb95a),			/* Cortex-A72 */
 	CS_AMBA_ID(0x000bb959),			/* Cortex-A73 */
 	CS_AMBA_UCI_ID(0x000bb9da, uci_id_etm4),/* Cortex-A35 */
+	CS_AMBA_UCI_ID(0x000bbd05, uci_id_etm4),/* Cortex-A55 */
+	CS_AMBA_UCI_ID(0x000bbd0a, uci_id_etm4),/* Cortex-A75 */
 	CS_AMBA_UCI_ID(0x000bbd0c, uci_id_etm4),/* Neoverse N1 */
 	CS_AMBA_UCI_ID(0x000f0205, uci_id_etm4),/* Qualcomm Kryo */
 	CS_AMBA_UCI_ID(0x000f0211, uci_id_etm4),/* Qualcomm Kryo */
@@ -1628,17 +2116,33 @@
 
 MODULE_DEVICE_TABLE(amba, etm4_ids);
 
-static struct amba_driver etm4x_driver = {
+static struct amba_driver etm4x_amba_driver = {
 	.drv = {
 		.name   = "coresight-etm4x",
 		.owner  = THIS_MODULE,
 		.suppress_bind_attrs = true,
 	},
-	.probe		= etm4_probe,
-	.remove         = etm4_remove,
+	.probe		= etm4_probe_amba,
+	.remove         = etm4_remove_amba,
 	.id_table	= etm4_ids,
 };
 
+static const struct of_device_id etm4_sysreg_match[] = {
+	{ .compatible	= "arm,coresight-etm4x-sysreg" },
+	{ .compatible	= "arm,embedded-trace-extension" },
+	{}
+};
+
+static struct platform_driver etm4_platform_driver = {
+	.probe		= etm4_probe_platform_dev,
+	.remove		= etm4_remove_platform_dev,
+	.driver			= {
+		.name			= "coresight-etm4x",
+		.of_match_table		= etm4_sysreg_match,
+		.suppress_bind_attrs	= true,
+	},
+};
+
 static int __init etm4x_init(void)
 {
 	int ret;
@@ -1649,18 +2153,28 @@
 	if (ret)
 		return ret;
 
-	ret = amba_driver_register(&etm4x_driver);
+	ret = amba_driver_register(&etm4x_amba_driver);
 	if (ret) {
-		pr_err("Error registering etm4x driver\n");
-		etm4_pm_clear();
+		pr_err("Error registering etm4x AMBA driver\n");
+		goto clear_pm;
 	}
 
+	ret = platform_driver_register(&etm4_platform_driver);
+	if (!ret)
+		return 0;
+
+	pr_err("Error registering etm4x platform driver\n");
+	amba_driver_unregister(&etm4x_amba_driver);
+
+clear_pm:
+	etm4_pm_clear();
 	return ret;
 }
 
 static void __exit etm4x_exit(void)
 {
-	amba_driver_unregister(&etm4x_driver);
+	amba_driver_unregister(&etm4x_amba_driver);
+	platform_driver_unregister(&etm4_platform_driver);
 	etm4_pm_clear();
 }
 
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index 42cc38c..b8dd7ea 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
@@ -747,7 +747,7 @@
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	val = (config->vinst_ctrl & ETM_EXLEVEL_S_VICTLR_MASK) >> 16;
+	val = (config->vinst_ctrl & TRCVICTLR_EXLEVEL_S_MASK) >> TRCVICTLR_EXLEVEL_S_SHIFT;
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -764,10 +764,10 @@
 
 	spin_lock(&drvdata->spinlock);
 	/* clear all EXLEVEL_S bits  */
-	config->vinst_ctrl &= ~(ETM_EXLEVEL_S_VICTLR_MASK);
+	config->vinst_ctrl &= ~(TRCVICTLR_EXLEVEL_S_MASK);
 	/* enable instruction tracing for corresponding exception level */
 	val &= drvdata->s_ex_level;
-	config->vinst_ctrl |= (val << 16);
+	config->vinst_ctrl |= (val << TRCVICTLR_EXLEVEL_S_SHIFT);
 	spin_unlock(&drvdata->spinlock);
 	return size;
 }
@@ -782,7 +782,7 @@
 	struct etmv4_config *config = &drvdata->config;
 
 	/* EXLEVEL_NS, bits[23:20] */
-	val = (config->vinst_ctrl & ETM_EXLEVEL_NS_VICTLR_MASK) >> 20;
+	val = (config->vinst_ctrl & TRCVICTLR_EXLEVEL_NS_MASK) >> TRCVICTLR_EXLEVEL_NS_SHIFT;
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -799,10 +799,10 @@
 
 	spin_lock(&drvdata->spinlock);
 	/* clear EXLEVEL_NS bits  */
-	config->vinst_ctrl &= ~(ETM_EXLEVEL_NS_VICTLR_MASK);
+	config->vinst_ctrl &= ~(TRCVICTLR_EXLEVEL_NS_MASK);
 	/* enable instruction tracing for corresponding exception level */
 	val &= drvdata->ns_ex_level;
-	config->vinst_ctrl |= (val << 20);
+	config->vinst_ctrl |= (val << TRCVICTLR_EXLEVEL_NS_SHIFT);
 	spin_unlock(&drvdata->spinlock);
 	return size;
 }
@@ -2323,7 +2323,8 @@
 };
 
 struct etmv4_reg {
-	void __iomem *addr;
+	struct coresight_device *csdev;
+	u32 offset;
 	u32 data;
 };
 
@@ -2331,15 +2332,16 @@
 {
 	struct etmv4_reg *reg = data;
 
-	reg->data = readl_relaxed(reg->addr);
+	reg->data = etm4x_relaxed_read32(&reg->csdev->access, reg->offset);
 }
 
-static u32 etmv4_cross_read(const struct device *dev, u32 offset)
+static u32 etmv4_cross_read(const struct etmv4_drvdata *drvdata, u32 offset)
 {
-	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev);
 	struct etmv4_reg reg;
 
-	reg.addr = drvdata->base + offset;
+	reg.offset = offset;
+	reg.csdev = drvdata->csdev;
+
 	/*
 	 * smp cross call ensures the CPU will be powered up before
 	 * accessing the ETMv4 trace core registers
@@ -2348,72 +2350,133 @@
 	return reg.data;
 }
 
-#define coresight_etm4x_reg(name, offset)			\
-	coresight_simple_reg32(struct etmv4_drvdata, name, offset)
+static inline u32 coresight_etm4x_attr_to_offset(struct device_attribute *attr)
+{
+	struct dev_ext_attribute *eattr;
 
-#define coresight_etm4x_cross_read(name, offset)			\
-	coresight_simple_func(struct etmv4_drvdata, etmv4_cross_read,	\
-			      name, offset)
+	eattr = container_of(attr, struct dev_ext_attribute, attr);
+	return (u32)(unsigned long)eattr->var;
+}
 
-coresight_etm4x_reg(trcpdcr, TRCPDCR);
-coresight_etm4x_reg(trcpdsr, TRCPDSR);
-coresight_etm4x_reg(trclsr, TRCLSR);
-coresight_etm4x_reg(trcauthstatus, TRCAUTHSTATUS);
-coresight_etm4x_reg(trcdevid, TRCDEVID);
-coresight_etm4x_reg(trcdevtype, TRCDEVTYPE);
-coresight_etm4x_reg(trcpidr0, TRCPIDR0);
-coresight_etm4x_reg(trcpidr1, TRCPIDR1);
-coresight_etm4x_reg(trcpidr2, TRCPIDR2);
-coresight_etm4x_reg(trcpidr3, TRCPIDR3);
-coresight_etm4x_cross_read(trcoslsr, TRCOSLSR);
-coresight_etm4x_cross_read(trcconfig, TRCCONFIGR);
-coresight_etm4x_cross_read(trctraceid, TRCTRACEIDR);
+static ssize_t coresight_etm4x_reg_show(struct device *dev,
+					struct device_attribute *d_attr,
+					char *buf)
+{
+	u32 val, offset;
+	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+	offset = coresight_etm4x_attr_to_offset(d_attr);
+
+	pm_runtime_get_sync(dev->parent);
+	val = etmv4_cross_read(drvdata, offset);
+	pm_runtime_put_sync(dev->parent);
+
+	return scnprintf(buf, PAGE_SIZE, "0x%x\n", val);
+}
+
+static inline bool
+etm4x_register_implemented(struct etmv4_drvdata *drvdata, u32 offset)
+{
+	switch (offset) {
+	ETM_COMMON_SYSREG_LIST_CASES
+		/*
+		 * Common registers to ETE & ETM4x accessible via system
+		 * instructions are always implemented.
+		 */
+		return true;
+
+	ETM4x_ONLY_SYSREG_LIST_CASES
+		/*
+		 * We only support etm4x and ete. So if the device is not
+		 * ETE, it must be ETMv4x.
+		 */
+		return !etm4x_is_ete(drvdata);
+
+	ETM4x_MMAP_LIST_CASES
+		/*
+		 * Registers accessible only via memory-mapped registers
+		 * must not be accessed via system instructions.
+		 * We cannot access the drvdata->csdev here, as this
+		 * function is called during the device creation, via
+		 * coresight_register() and the csdev is not initialized
+		 * until that is done. So rely on the drvdata->base to
+		 * detect if we have a memory mapped access.
+		 * Also ETE doesn't implement memory mapped access, thus
+		 * it is sufficient to check that we are using mmio.
+		 */
+		return !!drvdata->base;
+
+	ETE_ONLY_SYSREG_LIST_CASES
+		return etm4x_is_ete(drvdata);
+	}
+
+	return false;
+}
+
+/*
+ * Hide the ETM4x registers that may not be available on the
+ * hardware.
+ * There are certain management registers unavailable via system
+ * instructions. Make those sysfs attributes hidden on such
+ * systems.
+ */
+static umode_t
+coresight_etm4x_attr_reg_implemented(struct kobject *kobj,
+				     struct attribute *attr, int unused)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
+	struct device_attribute *d_attr;
+	u32 offset;
+
+	d_attr = container_of(attr, struct device_attribute, attr);
+	offset = coresight_etm4x_attr_to_offset(d_attr);
+
+	if (etm4x_register_implemented(drvdata, offset))
+		return attr->mode;
+	return 0;
+}
+
+#define coresight_etm4x_reg(name, offset)				\
+	&((struct dev_ext_attribute[]) {				\
+	   {								\
+		__ATTR(name, 0444, coresight_etm4x_reg_show, NULL),	\
+		(void *)(unsigned long)offset				\
+	   }								\
+	})[0].attr.attr
 
 static struct attribute *coresight_etmv4_mgmt_attrs[] = {
-	&dev_attr_trcoslsr.attr,
-	&dev_attr_trcpdcr.attr,
-	&dev_attr_trcpdsr.attr,
-	&dev_attr_trclsr.attr,
-	&dev_attr_trcconfig.attr,
-	&dev_attr_trctraceid.attr,
-	&dev_attr_trcauthstatus.attr,
-	&dev_attr_trcdevid.attr,
-	&dev_attr_trcdevtype.attr,
-	&dev_attr_trcpidr0.attr,
-	&dev_attr_trcpidr1.attr,
-	&dev_attr_trcpidr2.attr,
-	&dev_attr_trcpidr3.attr,
+	coresight_etm4x_reg(trcpdcr, TRCPDCR),
+	coresight_etm4x_reg(trcpdsr, TRCPDSR),
+	coresight_etm4x_reg(trclsr, TRCLSR),
+	coresight_etm4x_reg(trcauthstatus, TRCAUTHSTATUS),
+	coresight_etm4x_reg(trcdevid, TRCDEVID),
+	coresight_etm4x_reg(trcdevtype, TRCDEVTYPE),
+	coresight_etm4x_reg(trcpidr0, TRCPIDR0),
+	coresight_etm4x_reg(trcpidr1, TRCPIDR1),
+	coresight_etm4x_reg(trcpidr2, TRCPIDR2),
+	coresight_etm4x_reg(trcpidr3, TRCPIDR3),
+	coresight_etm4x_reg(trcoslsr, TRCOSLSR),
+	coresight_etm4x_reg(trcconfig, TRCCONFIGR),
+	coresight_etm4x_reg(trctraceid, TRCTRACEIDR),
+	coresight_etm4x_reg(trcdevarch, TRCDEVARCH),
 	NULL,
 };
 
-coresight_etm4x_cross_read(trcidr0, TRCIDR0);
-coresight_etm4x_cross_read(trcidr1, TRCIDR1);
-coresight_etm4x_cross_read(trcidr2, TRCIDR2);
-coresight_etm4x_cross_read(trcidr3, TRCIDR3);
-coresight_etm4x_cross_read(trcidr4, TRCIDR4);
-coresight_etm4x_cross_read(trcidr5, TRCIDR5);
-/* trcidr[6,7] are reserved */
-coresight_etm4x_cross_read(trcidr8, TRCIDR8);
-coresight_etm4x_cross_read(trcidr9, TRCIDR9);
-coresight_etm4x_cross_read(trcidr10, TRCIDR10);
-coresight_etm4x_cross_read(trcidr11, TRCIDR11);
-coresight_etm4x_cross_read(trcidr12, TRCIDR12);
-coresight_etm4x_cross_read(trcidr13, TRCIDR13);
-
 static struct attribute *coresight_etmv4_trcidr_attrs[] = {
-	&dev_attr_trcidr0.attr,
-	&dev_attr_trcidr1.attr,
-	&dev_attr_trcidr2.attr,
-	&dev_attr_trcidr3.attr,
-	&dev_attr_trcidr4.attr,
-	&dev_attr_trcidr5.attr,
+	coresight_etm4x_reg(trcidr0, TRCIDR0),
+	coresight_etm4x_reg(trcidr1, TRCIDR1),
+	coresight_etm4x_reg(trcidr2, TRCIDR2),
+	coresight_etm4x_reg(trcidr3, TRCIDR3),
+	coresight_etm4x_reg(trcidr4, TRCIDR4),
+	coresight_etm4x_reg(trcidr5, TRCIDR5),
 	/* trcidr[6,7] are reserved */
-	&dev_attr_trcidr8.attr,
-	&dev_attr_trcidr9.attr,
-	&dev_attr_trcidr10.attr,
-	&dev_attr_trcidr11.attr,
-	&dev_attr_trcidr12.attr,
-	&dev_attr_trcidr13.attr,
+	coresight_etm4x_reg(trcidr8, TRCIDR8),
+	coresight_etm4x_reg(trcidr9, TRCIDR9),
+	coresight_etm4x_reg(trcidr10, TRCIDR10),
+	coresight_etm4x_reg(trcidr11, TRCIDR11),
+	coresight_etm4x_reg(trcidr12, TRCIDR12),
+	coresight_etm4x_reg(trcidr13, TRCIDR13),
 	NULL,
 };
 
@@ -2422,6 +2485,7 @@
 };
 
 static const struct attribute_group coresight_etmv4_mgmt_group = {
+	.is_visible = coresight_etm4x_attr_reg_implemented,
 	.attrs = coresight_etmv4_mgmt_attrs,
 	.name = "mgmt",
 };
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index 2c994a8..1fc22d2 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -8,6 +8,7 @@
 
 #include <asm/local.h>
 #include <linux/spinlock.h>
+#include <linux/types.h>
 #include "coresight-priv.h"
 
 /*
@@ -28,6 +29,7 @@
 #define TRCAUXCTLR			0x018
 #define TRCEVENTCTL0R			0x020
 #define TRCEVENTCTL1R			0x024
+#define TRCRSR				0x028
 #define TRCSTALLCTLR			0x02C
 #define TRCTSCTLR			0x030
 #define TRCSYNCPR			0x034
@@ -44,13 +46,14 @@
 #define TRCVDSACCTLR			0x0A4
 #define TRCVDARCCTLR			0x0A8
 /* Derived resources registers */
-#define TRCSEQEVRn(n)			(0x100 + (n * 4))
+#define TRCSEQEVRn(n)			(0x100 + (n * 4)) /* n = 0-2 */
 #define TRCSEQRSTEVR			0x118
 #define TRCSEQSTR			0x11C
 #define TRCEXTINSELR			0x120
-#define TRCCNTRLDVRn(n)			(0x140 + (n * 4))
-#define TRCCNTCTLRn(n)			(0x150 + (n * 4))
-#define TRCCNTVRn(n)			(0x160 + (n * 4))
+#define TRCEXTINSELRn(n)		(0x120 + (n * 4)) /* n = 0-3 */
+#define TRCCNTRLDVRn(n)			(0x140 + (n * 4)) /* n = 0-3 */
+#define TRCCNTCTLRn(n)			(0x150 + (n * 4)) /* n = 0-3 */
+#define TRCCNTVRn(n)			(0x160 + (n * 4)) /* n = 0-3 */
 /* ID registers */
 #define TRCIDR8				0x180
 #define TRCIDR9				0x184
@@ -59,7 +62,7 @@
 #define TRCIDR12			0x190
 #define TRCIDR13			0x194
 #define TRCIMSPEC0			0x1C0
-#define TRCIMSPECn(n)			(0x1C0 + (n * 4))
+#define TRCIMSPECn(n)			(0x1C0 + (n * 4)) /* n = 1-7 */
 #define TRCIDR0				0x1E0
 #define TRCIDR1				0x1E4
 #define TRCIDR2				0x1E8
@@ -68,9 +71,12 @@
 #define TRCIDR5				0x1F4
 #define TRCIDR6				0x1F8
 #define TRCIDR7				0x1FC
-/* Resource selection registers */
+/*
+ * Resource selection registers, n = 2-31.
+ * First pair (regs 0, 1) is always present and is reserved.
+ */
 #define TRCRSCTLRn(n)			(0x200 + (n * 4))
-/* Single-shot comparator registers */
+/* Single-shot comparator registers, n = 0-7 */
 #define TRCSSCCRn(n)			(0x280 + (n * 4))
 #define TRCSSCSRn(n)			(0x2A0 + (n * 4))
 #define TRCSSPCICRn(n)			(0x2C0 + (n * 4))
@@ -80,11 +86,13 @@
 #define TRCPDCR				0x310
 #define TRCPDSR				0x314
 /* Trace registers (0x318-0xEFC) */
-/* Comparator registers */
+/* Address Comparator registers n = 0-15 */
 #define TRCACVRn(n)			(0x400 + (n * 8))
 #define TRCACATRn(n)			(0x480 + (n * 8))
+/* Data Value Comparator Value registers, n = 0-7 */
 #define TRCDVCVRn(n)			(0x500 + (n * 16))
 #define TRCDVCMRn(n)			(0x580 + (n * 16))
+/* ContextID/Virtual ContextID comparators, n = 0-7 */
 #define TRCCIDCVRn(n)			(0x600 + (n * 8))
 #define TRCVMIDCVRn(n)			(0x640 + (n * 8))
 #define TRCCIDCCTLR0			0x680
@@ -120,6 +128,368 @@
 #define TRCCIDR2			0xFF8
 #define TRCCIDR3			0xFFC
 
+#define TRCRSR_TA			BIT(12)
+
+/*
+ * System instructions to access ETM registers.
+ * See ETMv4.4 spec ARM IHI0064F section 4.3.6 System instructions
+ */
+#define ETM4x_OFFSET_TO_REG(x)		((x) >> 2)
+
+#define ETM4x_CRn(n)			(((n) >> 7) & 0x7)
+#define ETM4x_Op2(n)			(((n) >> 4) & 0x7)
+#define ETM4x_CRm(n)			((n) & 0xf)
+
+#include <asm/sysreg.h>
+#define ETM4x_REG_NUM_TO_SYSREG(n)				\
+	sys_reg(2, 1, ETM4x_CRn(n), ETM4x_CRm(n), ETM4x_Op2(n))
+
+#define READ_ETM4x_REG(reg)					\
+	read_sysreg_s(ETM4x_REG_NUM_TO_SYSREG((reg)))
+#define WRITE_ETM4x_REG(val, reg)				\
+	write_sysreg_s(val, ETM4x_REG_NUM_TO_SYSREG((reg)))
+
+#define read_etm4x_sysreg_const_offset(offset)			\
+	READ_ETM4x_REG(ETM4x_OFFSET_TO_REG(offset))
+
+#define write_etm4x_sysreg_const_offset(val, offset)		\
+	WRITE_ETM4x_REG(val, ETM4x_OFFSET_TO_REG(offset))
+
+#define CASE_READ(res, x)					\
+	case (x): { (res) = read_etm4x_sysreg_const_offset((x)); break; }
+
+#define CASE_WRITE(val, x)					\
+	case (x): { write_etm4x_sysreg_const_offset((val), (x)); break; }
+
+#define CASE_NOP(__unused, x)					\
+	case (x):	/* fall through */
+
+#define ETE_ONLY_SYSREG_LIST(op, val)		\
+	CASE_##op((val), TRCRSR)		\
+	CASE_##op((val), TRCEXTINSELRn(1))	\
+	CASE_##op((val), TRCEXTINSELRn(2))	\
+	CASE_##op((val), TRCEXTINSELRn(3))
+
+/* List of registers accessible via System instructions */
+#define ETM4x_ONLY_SYSREG_LIST(op, val)		\
+	CASE_##op((val), TRCPROCSELR)		\
+	CASE_##op((val), TRCVDCTLR)		\
+	CASE_##op((val), TRCVDSACCTLR)		\
+	CASE_##op((val), TRCVDARCCTLR)		\
+	CASE_##op((val), TRCOSLAR)
+
+#define ETM_COMMON_SYSREG_LIST(op, val)		\
+	CASE_##op((val), TRCPRGCTLR)		\
+	CASE_##op((val), TRCSTATR)		\
+	CASE_##op((val), TRCCONFIGR)		\
+	CASE_##op((val), TRCAUXCTLR)		\
+	CASE_##op((val), TRCEVENTCTL0R)		\
+	CASE_##op((val), TRCEVENTCTL1R)		\
+	CASE_##op((val), TRCSTALLCTLR)		\
+	CASE_##op((val), TRCTSCTLR)		\
+	CASE_##op((val), TRCSYNCPR)		\
+	CASE_##op((val), TRCCCCTLR)		\
+	CASE_##op((val), TRCBBCTLR)		\
+	CASE_##op((val), TRCTRACEIDR)		\
+	CASE_##op((val), TRCQCTLR)		\
+	CASE_##op((val), TRCVICTLR)		\
+	CASE_##op((val), TRCVIIECTLR)		\
+	CASE_##op((val), TRCVISSCTLR)		\
+	CASE_##op((val), TRCVIPCSSCTLR)		\
+	CASE_##op((val), TRCSEQEVRn(0))		\
+	CASE_##op((val), TRCSEQEVRn(1))		\
+	CASE_##op((val), TRCSEQEVRn(2))		\
+	CASE_##op((val), TRCSEQRSTEVR)		\
+	CASE_##op((val), TRCSEQSTR)		\
+	CASE_##op((val), TRCEXTINSELR)		\
+	CASE_##op((val), TRCCNTRLDVRn(0))	\
+	CASE_##op((val), TRCCNTRLDVRn(1))	\
+	CASE_##op((val), TRCCNTRLDVRn(2))	\
+	CASE_##op((val), TRCCNTRLDVRn(3))	\
+	CASE_##op((val), TRCCNTCTLRn(0))	\
+	CASE_##op((val), TRCCNTCTLRn(1))	\
+	CASE_##op((val), TRCCNTCTLRn(2))	\
+	CASE_##op((val), TRCCNTCTLRn(3))	\
+	CASE_##op((val), TRCCNTVRn(0))		\
+	CASE_##op((val), TRCCNTVRn(1))		\
+	CASE_##op((val), TRCCNTVRn(2))		\
+	CASE_##op((val), TRCCNTVRn(3))		\
+	CASE_##op((val), TRCIDR8)		\
+	CASE_##op((val), TRCIDR9)		\
+	CASE_##op((val), TRCIDR10)		\
+	CASE_##op((val), TRCIDR11)		\
+	CASE_##op((val), TRCIDR12)		\
+	CASE_##op((val), TRCIDR13)		\
+	CASE_##op((val), TRCIMSPECn(0))		\
+	CASE_##op((val), TRCIMSPECn(1))		\
+	CASE_##op((val), TRCIMSPECn(2))		\
+	CASE_##op((val), TRCIMSPECn(3))		\
+	CASE_##op((val), TRCIMSPECn(4))		\
+	CASE_##op((val), TRCIMSPECn(5))		\
+	CASE_##op((val), TRCIMSPECn(6))		\
+	CASE_##op((val), TRCIMSPECn(7))		\
+	CASE_##op((val), TRCIDR0)		\
+	CASE_##op((val), TRCIDR1)		\
+	CASE_##op((val), TRCIDR2)		\
+	CASE_##op((val), TRCIDR3)		\
+	CASE_##op((val), TRCIDR4)		\
+	CASE_##op((val), TRCIDR5)		\
+	CASE_##op((val), TRCIDR6)		\
+	CASE_##op((val), TRCIDR7)		\
+	CASE_##op((val), TRCRSCTLRn(2))		\
+	CASE_##op((val), TRCRSCTLRn(3))		\
+	CASE_##op((val), TRCRSCTLRn(4))		\
+	CASE_##op((val), TRCRSCTLRn(5))		\
+	CASE_##op((val), TRCRSCTLRn(6))		\
+	CASE_##op((val), TRCRSCTLRn(7))		\
+	CASE_##op((val), TRCRSCTLRn(8))		\
+	CASE_##op((val), TRCRSCTLRn(9))		\
+	CASE_##op((val), TRCRSCTLRn(10))	\
+	CASE_##op((val), TRCRSCTLRn(11))	\
+	CASE_##op((val), TRCRSCTLRn(12))	\
+	CASE_##op((val), TRCRSCTLRn(13))	\
+	CASE_##op((val), TRCRSCTLRn(14))	\
+	CASE_##op((val), TRCRSCTLRn(15))	\
+	CASE_##op((val), TRCRSCTLRn(16))	\
+	CASE_##op((val), TRCRSCTLRn(17))	\
+	CASE_##op((val), TRCRSCTLRn(18))	\
+	CASE_##op((val), TRCRSCTLRn(19))	\
+	CASE_##op((val), TRCRSCTLRn(20))	\
+	CASE_##op((val), TRCRSCTLRn(21))	\
+	CASE_##op((val), TRCRSCTLRn(22))	\
+	CASE_##op((val), TRCRSCTLRn(23))	\
+	CASE_##op((val), TRCRSCTLRn(24))	\
+	CASE_##op((val), TRCRSCTLRn(25))	\
+	CASE_##op((val), TRCRSCTLRn(26))	\
+	CASE_##op((val), TRCRSCTLRn(27))	\
+	CASE_##op((val), TRCRSCTLRn(28))	\
+	CASE_##op((val), TRCRSCTLRn(29))	\
+	CASE_##op((val), TRCRSCTLRn(30))	\
+	CASE_##op((val), TRCRSCTLRn(31))	\
+	CASE_##op((val), TRCSSCCRn(0))		\
+	CASE_##op((val), TRCSSCCRn(1))		\
+	CASE_##op((val), TRCSSCCRn(2))		\
+	CASE_##op((val), TRCSSCCRn(3))		\
+	CASE_##op((val), TRCSSCCRn(4))		\
+	CASE_##op((val), TRCSSCCRn(5))		\
+	CASE_##op((val), TRCSSCCRn(6))		\
+	CASE_##op((val), TRCSSCCRn(7))		\
+	CASE_##op((val), TRCSSCSRn(0))		\
+	CASE_##op((val), TRCSSCSRn(1))		\
+	CASE_##op((val), TRCSSCSRn(2))		\
+	CASE_##op((val), TRCSSCSRn(3))		\
+	CASE_##op((val), TRCSSCSRn(4))		\
+	CASE_##op((val), TRCSSCSRn(5))		\
+	CASE_##op((val), TRCSSCSRn(6))		\
+	CASE_##op((val), TRCSSCSRn(7))		\
+	CASE_##op((val), TRCSSPCICRn(0))	\
+	CASE_##op((val), TRCSSPCICRn(1))	\
+	CASE_##op((val), TRCSSPCICRn(2))	\
+	CASE_##op((val), TRCSSPCICRn(3))	\
+	CASE_##op((val), TRCSSPCICRn(4))	\
+	CASE_##op((val), TRCSSPCICRn(5))	\
+	CASE_##op((val), TRCSSPCICRn(6))	\
+	CASE_##op((val), TRCSSPCICRn(7))	\
+	CASE_##op((val), TRCOSLSR)		\
+	CASE_##op((val), TRCACVRn(0))		\
+	CASE_##op((val), TRCACVRn(1))		\
+	CASE_##op((val), TRCACVRn(2))		\
+	CASE_##op((val), TRCACVRn(3))		\
+	CASE_##op((val), TRCACVRn(4))		\
+	CASE_##op((val), TRCACVRn(5))		\
+	CASE_##op((val), TRCACVRn(6))		\
+	CASE_##op((val), TRCACVRn(7))		\
+	CASE_##op((val), TRCACVRn(8))		\
+	CASE_##op((val), TRCACVRn(9))		\
+	CASE_##op((val), TRCACVRn(10))		\
+	CASE_##op((val), TRCACVRn(11))		\
+	CASE_##op((val), TRCACVRn(12))		\
+	CASE_##op((val), TRCACVRn(13))		\
+	CASE_##op((val), TRCACVRn(14))		\
+	CASE_##op((val), TRCACVRn(15))		\
+	CASE_##op((val), TRCACATRn(0))		\
+	CASE_##op((val), TRCACATRn(1))		\
+	CASE_##op((val), TRCACATRn(2))		\
+	CASE_##op((val), TRCACATRn(3))		\
+	CASE_##op((val), TRCACATRn(4))		\
+	CASE_##op((val), TRCACATRn(5))		\
+	CASE_##op((val), TRCACATRn(6))		\
+	CASE_##op((val), TRCACATRn(7))		\
+	CASE_##op((val), TRCACATRn(8))		\
+	CASE_##op((val), TRCACATRn(9))		\
+	CASE_##op((val), TRCACATRn(10))		\
+	CASE_##op((val), TRCACATRn(11))		\
+	CASE_##op((val), TRCACATRn(12))		\
+	CASE_##op((val), TRCACATRn(13))		\
+	CASE_##op((val), TRCACATRn(14))		\
+	CASE_##op((val), TRCACATRn(15))		\
+	CASE_##op((val), TRCDVCVRn(0))		\
+	CASE_##op((val), TRCDVCVRn(1))		\
+	CASE_##op((val), TRCDVCVRn(2))		\
+	CASE_##op((val), TRCDVCVRn(3))		\
+	CASE_##op((val), TRCDVCVRn(4))		\
+	CASE_##op((val), TRCDVCVRn(5))		\
+	CASE_##op((val), TRCDVCVRn(6))		\
+	CASE_##op((val), TRCDVCVRn(7))		\
+	CASE_##op((val), TRCDVCMRn(0))		\
+	CASE_##op((val), TRCDVCMRn(1))		\
+	CASE_##op((val), TRCDVCMRn(2))		\
+	CASE_##op((val), TRCDVCMRn(3))		\
+	CASE_##op((val), TRCDVCMRn(4))		\
+	CASE_##op((val), TRCDVCMRn(5))		\
+	CASE_##op((val), TRCDVCMRn(6))		\
+	CASE_##op((val), TRCDVCMRn(7))		\
+	CASE_##op((val), TRCCIDCVRn(0))		\
+	CASE_##op((val), TRCCIDCVRn(1))		\
+	CASE_##op((val), TRCCIDCVRn(2))		\
+	CASE_##op((val), TRCCIDCVRn(3))		\
+	CASE_##op((val), TRCCIDCVRn(4))		\
+	CASE_##op((val), TRCCIDCVRn(5))		\
+	CASE_##op((val), TRCCIDCVRn(6))		\
+	CASE_##op((val), TRCCIDCVRn(7))		\
+	CASE_##op((val), TRCVMIDCVRn(0))	\
+	CASE_##op((val), TRCVMIDCVRn(1))	\
+	CASE_##op((val), TRCVMIDCVRn(2))	\
+	CASE_##op((val), TRCVMIDCVRn(3))	\
+	CASE_##op((val), TRCVMIDCVRn(4))	\
+	CASE_##op((val), TRCVMIDCVRn(5))	\
+	CASE_##op((val), TRCVMIDCVRn(6))	\
+	CASE_##op((val), TRCVMIDCVRn(7))	\
+	CASE_##op((val), TRCCIDCCTLR0)		\
+	CASE_##op((val), TRCCIDCCTLR1)		\
+	CASE_##op((val), TRCVMIDCCTLR0)		\
+	CASE_##op((val), TRCVMIDCCTLR1)		\
+	CASE_##op((val), TRCCLAIMSET)		\
+	CASE_##op((val), TRCCLAIMCLR)		\
+	CASE_##op((val), TRCAUTHSTATUS)		\
+	CASE_##op((val), TRCDEVARCH)		\
+	CASE_##op((val), TRCDEVID)
+
+/* List of registers only accessible via memory-mapped interface */
+#define ETM_MMAP_LIST(op, val)			\
+	CASE_##op((val), TRCDEVTYPE)		\
+	CASE_##op((val), TRCPDCR)		\
+	CASE_##op((val), TRCPDSR)		\
+	CASE_##op((val), TRCDEVAFF0)		\
+	CASE_##op((val), TRCDEVAFF1)		\
+	CASE_##op((val), TRCLAR)		\
+	CASE_##op((val), TRCLSR)		\
+	CASE_##op((val), TRCITCTRL)		\
+	CASE_##op((val), TRCPIDR4)		\
+	CASE_##op((val), TRCPIDR0)		\
+	CASE_##op((val), TRCPIDR1)		\
+	CASE_##op((val), TRCPIDR2)		\
+	CASE_##op((val), TRCPIDR3)
+
+#define ETM4x_READ_SYSREG_CASES(res)		\
+	ETM_COMMON_SYSREG_LIST(READ, (res))	\
+	ETM4x_ONLY_SYSREG_LIST(READ, (res))
+
+#define ETM4x_WRITE_SYSREG_CASES(val)		\
+	ETM_COMMON_SYSREG_LIST(WRITE, (val))	\
+	ETM4x_ONLY_SYSREG_LIST(WRITE, (val))
+
+#define ETM_COMMON_SYSREG_LIST_CASES		\
+	ETM_COMMON_SYSREG_LIST(NOP, __unused)
+
+#define ETM4x_ONLY_SYSREG_LIST_CASES		\
+	ETM4x_ONLY_SYSREG_LIST(NOP, __unused)
+
+#define ETM4x_SYSREG_LIST_CASES			\
+	ETM_COMMON_SYSREG_LIST_CASES		\
+	ETM4x_ONLY_SYSREG_LIST(NOP, __unused)
+
+#define ETM4x_MMAP_LIST_CASES		ETM_MMAP_LIST(NOP, __unused)
+
+/* ETE only supports system register access */
+#define ETE_READ_CASES(res)			\
+	ETM_COMMON_SYSREG_LIST(READ, (res))	\
+	ETE_ONLY_SYSREG_LIST(READ, (res))
+
+#define ETE_WRITE_CASES(val)			\
+	ETM_COMMON_SYSREG_LIST(WRITE, (val))	\
+	ETE_ONLY_SYSREG_LIST(WRITE, (val))
+
+#define ETE_ONLY_SYSREG_LIST_CASES		\
+	ETE_ONLY_SYSREG_LIST(NOP, __unused)
+
+#define read_etm4x_sysreg_offset(offset, _64bit)				\
+	({									\
+		u64 __val;							\
+										\
+		if (__builtin_constant_p((offset)))				\
+			__val = read_etm4x_sysreg_const_offset((offset));	\
+		else								\
+			__val = etm4x_sysreg_read((offset), true, (_64bit));	\
+		__val;								\
+	 })
+
+#define write_etm4x_sysreg_offset(val, offset, _64bit)			\
+	do {								\
+		if (__builtin_constant_p((offset)))			\
+			write_etm4x_sysreg_const_offset((val),		\
+							(offset));	\
+		else							\
+			etm4x_sysreg_write((val), (offset), true,	\
+					   (_64bit));			\
+	} while (0)
+
+
+#define etm4x_relaxed_read32(csa, offset)				\
+	((u32)((csa)->io_mem ?						\
+		 readl_relaxed((csa)->base + (offset)) :		\
+		 read_etm4x_sysreg_offset((offset), false)))
+
+#define etm4x_relaxed_read64(csa, offset)				\
+	((u64)((csa)->io_mem ?						\
+		 readq_relaxed((csa)->base + (offset)) :		\
+		 read_etm4x_sysreg_offset((offset), true)))
+
+#define etm4x_read32(csa, offset)					\
+	({								\
+		u32 __val = etm4x_relaxed_read32((csa), (offset));	\
+		__iormb(__val);						\
+		__val;							\
+	 })
+
+#define etm4x_read64(csa, offset)					\
+	({								\
+		u64 __val = etm4x_relaxed_read64((csa), (offset));	\
+		__iormb(__val);						\
+		__val;							\
+	 })
+
+#define etm4x_relaxed_write32(csa, val, offset)				\
+	do {								\
+		if ((csa)->io_mem)					\
+			writel_relaxed((val), (csa)->base + (offset));	\
+		else							\
+			write_etm4x_sysreg_offset((val), (offset),	\
+						  false);		\
+	} while (0)
+
+#define etm4x_relaxed_write64(csa, val, offset)				\
+	do {								\
+		if ((csa)->io_mem)					\
+			writeq_relaxed((val), (csa)->base + (offset));	\
+		else							\
+			write_etm4x_sysreg_offset((val), (offset),	\
+						  true);		\
+	} while (0)
+
+#define etm4x_write32(csa, val, offset)					\
+	do {								\
+		__iowmb();						\
+		etm4x_relaxed_write32((csa), (val), (offset));		\
+	} while (0)
+
+#define etm4x_write64(csa, val, offset)					\
+	do {								\
+		__iowmb();						\
+		etm4x_relaxed_write64((csa), (val), (offset));		\
+	} while (0)
+
+
 /* ETMv4 resources */
 #define ETM_MAX_NR_PE			8
 #define ETMv4_MAX_CNTR			4
@@ -136,7 +506,6 @@
 #define ETM_MAX_RES_SEL			32
 #define ETM_MAX_SS_CMP			8
 
-#define ETM_ARCH_V4			0x40
 #define ETMv4_SYNC_MASK			0x1F
 #define ETM_CYC_THRESHOLD_MASK		0xFFF
 #define ETM_CYC_THRESHOLD_DEFAULT       0x100
@@ -174,34 +543,166 @@
 					 ETM_MODE_EXCL_KERN | \
 					 ETM_MODE_EXCL_USER)
 
+/*
+ * TRCOSLSR.OSLM advertises the OS Lock model.
+ * OSLM[2:0] = TRCOSLSR[4:3,0]
+ *
+ *	0b000 - Trace OS Lock is not implemented.
+ *	0b010 - Trace OS Lock is implemented.
+ *	0b100 - Trace OS Lock is not implemented, unit is controlled by PE OS Lock.
+ */
+#define ETM_OSLOCK_NI		0b000
+#define ETM_OSLOCK_PRESENT	0b010
+#define ETM_OSLOCK_PE		0b100
+
+#define ETM_OSLSR_OSLM(oslsr)	((((oslsr) & GENMASK(4, 3)) >> 2) | (oslsr & 0x1))
+
+/*
+ * TRCDEVARCH Bit field definitions
+ * Bits[31:21]	- ARCHITECT = Always Arm Ltd.
+ *                * Bits[31:28] = 0x4
+ *                * Bits[27:21] = 0b0111011
+ * Bit[20]	- PRESENT,  Indicates the presence of this register.
+ *
+ * Bit[19:16]	- REVISION, Revision of the architecture.
+ *
+ * Bit[15:0]	- ARCHID, Identifies this component as an ETM
+ *                * Bits[15:12] - architecture version of ETM
+ *                *             = 4 for ETMv4
+ *                * Bits[11:0] = 0xA13, architecture part number for ETM.
+ */
+#define ETM_DEVARCH_ARCHITECT_MASK		GENMASK(31, 21)
+#define ETM_DEVARCH_ARCHITECT_ARM		((0x4 << 28) | (0b0111011 << 21))
+#define ETM_DEVARCH_PRESENT			BIT(20)
+#define ETM_DEVARCH_REVISION_SHIFT		16
+#define ETM_DEVARCH_REVISION_MASK		GENMASK(19, 16)
+#define ETM_DEVARCH_REVISION(x)			\
+	(((x) & ETM_DEVARCH_REVISION_MASK) >> ETM_DEVARCH_REVISION_SHIFT)
+#define ETM_DEVARCH_ARCHID_MASK			GENMASK(15, 0)
+#define ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT	12
+#define ETM_DEVARCH_ARCHID_ARCH_VER_MASK	GENMASK(15, 12)
+#define ETM_DEVARCH_ARCHID_ARCH_VER(x)		\
+	(((x) & ETM_DEVARCH_ARCHID_ARCH_VER_MASK) >> ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT)
+
+#define ETM_DEVARCH_MAKE_ARCHID_ARCH_VER(ver)			\
+	(((ver) << ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT) & ETM_DEVARCH_ARCHID_ARCH_VER_MASK)
+
+#define ETM_DEVARCH_ARCHID_ARCH_PART(x)		((x) & 0xfffUL)
+
+#define ETM_DEVARCH_MAKE_ARCHID(major)			\
+	((ETM_DEVARCH_MAKE_ARCHID_ARCH_VER(major)) | ETM_DEVARCH_ARCHID_ARCH_PART(0xA13))
+
+#define ETM_DEVARCH_ARCHID_ETMv4x		ETM_DEVARCH_MAKE_ARCHID(0x4)
+#define ETM_DEVARCH_ARCHID_ETE			ETM_DEVARCH_MAKE_ARCHID(0x5)
+
+#define ETM_DEVARCH_ID_MASK						\
+	(ETM_DEVARCH_ARCHITECT_MASK | ETM_DEVARCH_ARCHID_MASK | ETM_DEVARCH_PRESENT)
+#define ETM_DEVARCH_ETMv4x_ARCH						\
+	(ETM_DEVARCH_ARCHITECT_ARM | ETM_DEVARCH_ARCHID_ETMv4x | ETM_DEVARCH_PRESENT)
+#define ETM_DEVARCH_ETE_ARCH						\
+	(ETM_DEVARCH_ARCHITECT_ARM | ETM_DEVARCH_ARCHID_ETE | ETM_DEVARCH_PRESENT)
+
 #define TRCSTATR_IDLE_BIT		0
 #define TRCSTATR_PMSTABLE_BIT		1
 #define ETM_DEFAULT_ADDR_COMP		0
 
+#define TRCSSCSRn_PC			BIT(3)
+
 /* PowerDown Control Register bits */
 #define TRCPDCR_PU			BIT(3)
 
-/* secure state access levels - TRCACATRn */
-#define ETM_EXLEVEL_S_APP		BIT(8)
-#define ETM_EXLEVEL_S_OS		BIT(9)
-#define ETM_EXLEVEL_S_HYP		BIT(10)
-#define ETM_EXLEVEL_S_MON		BIT(11)
-/* non-secure state access levels - TRCACATRn */
-#define ETM_EXLEVEL_NS_APP		BIT(12)
-#define ETM_EXLEVEL_NS_OS		BIT(13)
-#define ETM_EXLEVEL_NS_HYP		BIT(14)
-#define ETM_EXLEVEL_NS_NA		BIT(15)
+#define TRCACATR_EXLEVEL_SHIFT		8
 
-/* access level control in TRCVICTLR - same bits as TRCACATRn but shifted */
-#define ETM_EXLEVEL_LSHIFT_TRCVICTLR	8
+/*
+ * Exception level mask for Secure and Non-Secure ELs.
+ * ETM defines the bits for EL control (e.g, TRVICTLR, TRCACTRn).
+ * The Secure and Non-Secure ELs are always to gether.
+ * Non-secure EL3 is never implemented.
+ * We use the following generic mask as they appear in different
+ * registers and this can be shifted for the appropriate
+ * fields.
+ */
+#define ETM_EXLEVEL_S_APP		BIT(0)	/* Secure EL0		*/
+#define ETM_EXLEVEL_S_OS		BIT(1)	/* Secure EL1		*/
+#define ETM_EXLEVEL_S_HYP		BIT(2)	/* Secure EL2		*/
+#define ETM_EXLEVEL_S_MON		BIT(3)	/* Secure EL3/Monitor	*/
+#define ETM_EXLEVEL_NS_APP		BIT(4)	/* NonSecure EL0	*/
+#define ETM_EXLEVEL_NS_OS		BIT(5)	/* NonSecure EL1	*/
+#define ETM_EXLEVEL_NS_HYP		BIT(6)	/* NonSecure EL2	*/
+
+#define ETM_EXLEVEL_MASK		(GENMASK(6, 0))
+#define ETM_EXLEVEL_S_MASK		(GENMASK(3, 0))
+#define ETM_EXLEVEL_NS_MASK		(GENMASK(6, 4))
+
+/* access level controls in TRCACATRn */
+#define TRCACATR_EXLEVEL_SHIFT		8
+
+/* access level control in TRCVICTLR */
+#define TRCVICTLR_EXLEVEL_SHIFT		16
+#define TRCVICTLR_EXLEVEL_S_SHIFT	16
+#define TRCVICTLR_EXLEVEL_NS_SHIFT	20
 
 /* secure / non secure masks - TRCVICTLR, IDR3 */
-#define ETM_EXLEVEL_S_VICTLR_MASK	GENMASK(19, 16)
-/* NS MON (EL3) mode never implemented */
-#define ETM_EXLEVEL_NS_VICTLR_MASK	GENMASK(22, 20)
+#define TRCVICTLR_EXLEVEL_MASK		(ETM_EXLEVEL_MASK << TRCVICTLR_EXLEVEL_SHIFT)
+#define TRCVICTLR_EXLEVEL_S_MASK	(ETM_EXLEVEL_S_MASK << TRCVICTLR_EXLEVEL_SHIFT)
+#define TRCVICTLR_EXLEVEL_NS_MASK	(ETM_EXLEVEL_NS_MASK << TRCVICTLR_EXLEVEL_SHIFT)
+
+#define ETM_TRCIDR1_ARCH_MAJOR_SHIFT	8
+#define ETM_TRCIDR1_ARCH_MAJOR_MASK	(0xfU << ETM_TRCIDR1_ARCH_MAJOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_MAJOR(x)	\
+	(((x) & ETM_TRCIDR1_ARCH_MAJOR_MASK) >> ETM_TRCIDR1_ARCH_MAJOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_MINOR_SHIFT	4
+#define ETM_TRCIDR1_ARCH_MINOR_MASK	(0xfU << ETM_TRCIDR1_ARCH_MINOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_MINOR(x)	\
+	(((x) & ETM_TRCIDR1_ARCH_MINOR_MASK) >> ETM_TRCIDR1_ARCH_MINOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_SHIFT		ETM_TRCIDR1_ARCH_MINOR_SHIFT
+#define ETM_TRCIDR1_ARCH_MASK		\
+	(ETM_TRCIDR1_ARCH_MAJOR_MASK | ETM_TRCIDR1_ARCH_MINOR_MASK)
+
+#define ETM_TRCIDR1_ARCH_ETMv4		0x4
+
+/*
+ * Driver representation of the ETM architecture.
+ * The version of an ETM component can be detected from
+ *
+ * TRCDEVARCH	- CoreSight architected register
+ *                - Bits[15:12] - Major version
+ *                - Bits[19:16] - Minor version
+ *
+ * We must rely only on TRCDEVARCH for the version information. Even though,
+ * TRCIDR1 also provides the architecture version, it is a "Trace" register
+ * and as such must be accessed only with Trace power domain ON. This may
+ * not be available at probe time.
+ *
+ * Now to make certain decisions easier based on the version
+ * we use an internal representation of the version in the
+ * driver, as follows :
+ *
+ * ETM_ARCH_VERSION[7:0], where :
+ *      Bits[7:4] - Major version
+ *      Bits[3:0] - Minro version
+ */
+#define ETM_ARCH_VERSION(major, minor)		\
+	((((major) & 0xfU) << 4) | (((minor) & 0xfU)))
+#define ETM_ARCH_MAJOR_VERSION(arch)	(((arch) >> 4) & 0xfU)
+#define ETM_ARCH_MINOR_VERSION(arch)	((arch) & 0xfU)
+
+#define ETM_ARCH_V4	ETM_ARCH_VERSION(4, 0)
+#define ETM_ARCH_ETE	ETM_ARCH_VERSION(5, 0)
 
 /* Interpretation of resource numbers change at ETM v4.3 architecture */
-#define ETM4X_ARCH_4V3	0x43
+#define ETM_ARCH_V4_3	ETM_ARCH_VERSION(4, 3)
+
+static inline u8 etm_devarch_to_arch(u32 devarch)
+{
+	return ETM_ARCH_VERSION(ETM_DEVARCH_ARCHID_ARCH_VER(devarch),
+				ETM_DEVARCH_REVISION(devarch));
+}
+
+enum etm_impdef_type {
+	ETM4_IMPDEF_HISI_CORE_COMMIT,
+	ETM4_IMPDEF_FEATURE_MAX,
+};
 
 /**
  * struct etmv4_config - configuration information related to an ETMv4
@@ -250,7 +751,7 @@
  * @vmid_mask0:	VM ID comparator mask for comparator 0-3.
  * @vmid_mask1:	VM ID comparator mask for comparator 4-7.
  * @ext_inp:	External input selection.
- * @arch:	ETM architecture version (for arch dependent config).
+ * @s_ex_level: Secure ELs where tracing is supported.
  */
 struct etmv4_config {
 	u32				mode;
@@ -294,7 +795,7 @@
 	u32				vmid_mask0;
 	u32				vmid_mask1;
 	u32				ext_inp;
-	u8				arch;
+	u8				s_ex_level;
 };
 
 /**
@@ -363,7 +864,7 @@
  * @spinlock:   Only one at a time pls.
  * @mode:	This tracer's mode, i.e sysFS, Perf or disabled.
  * @cpu:        The cpu this component is affined to.
- * @arch:       ETM version number.
+ * @arch:       ETM architecture version.
  * @nr_pe:	The number of processing entity available for tracing.
  * @nr_pe_cmp:	The number of processing entity comparator inputs that are
  *		available for tracing.
@@ -410,11 +911,17 @@
  * @nooverflow:	Indicate if overflow prevention is supported.
  * @atbtrig:	If the implementation can support ATB triggers
  * @lpoverride:	If the implementation can support low-power state over.
+ * @trfcr:	If the CPU supports FEAT_TRF, value of the TRFCR_ELx that
+ *		allows tracing at all ELs. We don't want to compute this
+ *		at runtime, due to the additional setting of TRFCR_CX when
+ *		in EL2. Otherwise, 0.
  * @config:	structure holding configuration parameters.
+ * @save_trfcr:	Saved TRFCR_EL1 register during a CPU PM event.
  * @save_state:	State to be preserved across power loss
  * @state_needs_restore: True when there is context to restore after PM exit
  * @skip_power_up: Indicates if an implementation can skip powering up
  *		   the trace unit.
+ * @arch_features: Bitmap of arch features of etmv4 devices.
  */
 struct etmv4_drvdata {
 	void __iomem			*base;
@@ -444,6 +951,7 @@
 	u8				s_ex_level;
 	u8				ns_ex_level;
 	u8				q_support;
+	u8				os_lock_model;
 	bool				sticky_enable;
 	bool				boot_enable;
 	bool				os_unlock;
@@ -459,10 +967,13 @@
 	bool				nooverflow;
 	bool				atbtrig;
 	bool				lpoverride;
+	u64				trfcr;
 	struct etmv4_config		config;
+	u64				save_trfcr;
 	struct etmv4_save_state		*save_state;
 	bool				state_needs_restore;
 	bool				skip_power_up;
+	DECLARE_BITMAP(arch_features, ETM4_IMPDEF_FEATURE_MAX);
 };
 
 /* Address comparator access types */
@@ -483,4 +994,12 @@
 
 extern const struct attribute_group *coresight_etmv4_groups[];
 void etm4_config_trace_mode(struct etmv4_config *config);
+
+u64 etm4x_sysreg_read(u32 offset, bool _relaxed, bool _64bit);
+void etm4x_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit);
+
+static inline bool etm4x_is_ete(struct etmv4_drvdata *drvdata)
+{
+	return drvdata->arch >= ETM_ARCH_ETE;
+}
 #endif
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c
index b2fb853..5c073af 100644
--- a/drivers/hwtracing/coresight/coresight-funnel.c
+++ b/drivers/hwtracing/coresight/coresight-funnel.c
@@ -52,13 +52,14 @@
 {
 	u32 functl;
 	int rc = 0;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	CS_UNLOCK(drvdata->base);
 
 	functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
 	/* Claim the device only when we enable the first slave */
 	if (!(functl & FUNNEL_ENSx_MASK)) {
-		rc = coresight_claim_device_unlocked(drvdata->base);
+		rc = coresight_claim_device_unlocked(csdev);
 		if (rc)
 			goto done;
 	}
@@ -101,6 +102,7 @@
 				      int inport)
 {
 	u32 functl;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	CS_UNLOCK(drvdata->base);
 
@@ -110,7 +112,7 @@
 
 	/* Disclaim the device if none of the slaves are now active */
 	if (!(functl & FUNNEL_ENSx_MASK))
-		coresight_disclaim_device_unlocked(drvdata->base);
+		coresight_disclaim_device_unlocked(csdev);
 
 	CS_LOCK(drvdata->base);
 }
@@ -242,6 +244,7 @@
 		}
 		drvdata->base = base;
 		desc.groups = coresight_funnel_groups;
+		desc.access = CSDEV_ACCESS_IOMEM(base);
 	}
 
 	dev_set_drvdata(dev, drvdata);
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index f5f654e..ff1dd20 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -232,4 +232,7 @@
 void coresight_set_assoc_ectdev_mutex(struct coresight_device *csdev,
 				      struct coresight_device *ect_csdev);
 
+void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev);
+struct coresight_device *coresight_get_percpu_sink(int cpu);
+
 #endif
diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
index da2bfee..dfff280 100644
--- a/drivers/hwtracing/coresight/coresight-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-replicator.c
@@ -45,12 +45,14 @@
 
 static void dynamic_replicator_reset(struct replicator_drvdata *drvdata)
 {
+	struct coresight_device *csdev = drvdata->csdev;
+
 	CS_UNLOCK(drvdata->base);
 
-	if (!coresight_claim_device_unlocked(drvdata->base)) {
+	if (!coresight_claim_device_unlocked(csdev)) {
 		writel_relaxed(0xff, drvdata->base + REPLICATOR_IDFILTER0);
 		writel_relaxed(0xff, drvdata->base + REPLICATOR_IDFILTER1);
-		coresight_disclaim_device_unlocked(drvdata->base);
+		coresight_disclaim_device_unlocked(csdev);
 	}
 
 	CS_LOCK(drvdata->base);
@@ -70,6 +72,7 @@
 {
 	int rc = 0;
 	u32 id0val, id1val;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	CS_UNLOCK(drvdata->base);
 
@@ -84,7 +87,7 @@
 		id0val = id1val = 0xff;
 
 	if (id0val == 0xff && id1val == 0xff)
-		rc = coresight_claim_device_unlocked(drvdata->base);
+		rc = coresight_claim_device_unlocked(csdev);
 
 	if (!rc) {
 		switch (outport) {
@@ -140,6 +143,7 @@
 				       int inport, int outport)
 {
 	u32 reg;
+	struct coresight_device *csdev = drvdata->csdev;
 
 	switch (outport) {
 	case 0:
@@ -160,7 +164,7 @@
 
 	if ((readl_relaxed(drvdata->base + REPLICATOR_IDFILTER0) == 0xff) &&
 	    (readl_relaxed(drvdata->base + REPLICATOR_IDFILTER1) == 0xff))
-		coresight_disclaim_device_unlocked(drvdata->base);
+		coresight_disclaim_device_unlocked(csdev);
 	CS_LOCK(drvdata->base);
 }
 
@@ -254,6 +258,7 @@
 		}
 		drvdata->base = base;
 		desc.groups = replicator_groups;
+		desc.access = CSDEV_ACCESS_IOMEM(base);
 	}
 
 	if (fwnode_property_present(dev_fwnode(dev),
diff --git a/drivers/hwtracing/coresight/coresight-self-hosted-trace.h b/drivers/hwtracing/coresight/coresight-self-hosted-trace.h
new file mode 100644
index 0000000..23f05df
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-self-hosted-trace.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Arm v8 Self-Hosted trace support.
+ *
+ * Copyright (C) 2021 ARM Ltd.
+ */
+
+#ifndef __CORESIGHT_SELF_HOSTED_TRACE_H
+#define __CORESIGHT_SELF_HOSTED_TRACE_H
+
+#include <asm/sysreg.h>
+
+static inline u64 read_trfcr(void)
+{
+	return read_sysreg_s(SYS_TRFCR_EL1);
+}
+
+static inline void write_trfcr(u64 val)
+{
+	write_sysreg_s(val, SYS_TRFCR_EL1);
+	isb();
+}
+
+static inline void cpu_prohibit_trace(void)
+{
+	u64 trfcr = read_trfcr();
+
+	/* Prohibit tracing at EL0 & the kernel EL */
+	write_trfcr(trfcr & ~(TRFCR_ELx_ExTRE | TRFCR_ELx_E0TRE));
+}
+#endif /*  __CORESIGHT_SELF_HOSTED_TRACE_H */
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index 0ecca9f..ed9a47c 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -258,6 +258,7 @@
 			struct perf_event *event)
 {
 	struct stm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+	struct csdev_access *csa = &csdev->access;
 
 	/*
 	 * For as long as the tracer isn't disabled another entity can't
@@ -270,7 +271,7 @@
 		spin_unlock(&drvdata->spinlock);
 
 		/* Wait until the engine has completely stopped */
-		coresight_timeout(drvdata->base, STMTCSR, STMTCSR_BUSY_BIT, 0);
+		coresight_timeout(csa, STMTCSR, STMTCSR_BUSY_BIT, 0);
 
 		pm_runtime_put(csdev->dev.parent);
 
@@ -884,6 +885,7 @@
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 	drvdata->base = base;
+	desc.access = CSDEV_ACCESS_IOMEM(base);
 
 	ret = stm_get_stimulus_area(dev, &ch_res);
 	if (ret)
diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c
index e29b391..74c6323 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-core.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
@@ -33,16 +33,20 @@
 
 void tmc_wait_for_tmcready(struct tmc_drvdata *drvdata)
 {
+	struct coresight_device *csdev = drvdata->csdev;
+	struct csdev_access *csa = &csdev->access;
+
 	/* Ensure formatter, unformatter and hardware fifo are empty */
-	if (coresight_timeout(drvdata->base,
-			      TMC_STS, TMC_STS_TMCREADY_BIT, 1)) {
-		dev_err(&drvdata->csdev->dev,
+	if (coresight_timeout(csa, TMC_STS, TMC_STS_TMCREADY_BIT, 1)) {
+		dev_err(&csdev->dev,
 			"timeout while waiting for TMC to be Ready\n");
 	}
 }
 
 void tmc_flush_and_stop(struct tmc_drvdata *drvdata)
 {
+	struct coresight_device *csdev = drvdata->csdev;
+	struct csdev_access *csa = &csdev->access;
 	u32 ffcr;
 
 	ffcr = readl_relaxed(drvdata->base + TMC_FFCR);
@@ -51,9 +55,8 @@
 	ffcr |= BIT(TMC_FFCR_FLUSHMAN_BIT);
 	writel_relaxed(ffcr, drvdata->base + TMC_FFCR);
 	/* Ensure flush completes */
-	if (coresight_timeout(drvdata->base,
-			      TMC_FFCR, TMC_FFCR_FLUSHMAN_BIT, 0)) {
-		dev_err(&drvdata->csdev->dev,
+	if (coresight_timeout(csa, TMC_FFCR, TMC_FFCR_FLUSHMAN_BIT, 0)) {
+		dev_err(&csdev->dev,
 		"timeout while waiting for completion of Manual Flush\n");
 	}
 
@@ -456,6 +459,7 @@
 	}
 
 	drvdata->base = base;
+	desc.access = CSDEV_ACCESS_IOMEM(base);
 
 	spin_lock_init(&drvdata->spinlock);
 
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index eee069e..e9c2b07 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -37,7 +37,7 @@
 
 static int tmc_etb_enable_hw(struct tmc_drvdata *drvdata)
 {
-	int rc = coresight_claim_device(drvdata->base);
+	int rc = coresight_claim_device(drvdata->csdev);
 
 	if (rc)
 		return rc;
@@ -88,7 +88,7 @@
 static void tmc_etb_disable_hw(struct tmc_drvdata *drvdata)
 {
 	__tmc_etb_disable_hw(drvdata);
-	coresight_disclaim_device(drvdata->base);
+	coresight_disclaim_device(drvdata->csdev);
 }
 
 static void __tmc_etf_enable_hw(struct tmc_drvdata *drvdata)
@@ -109,7 +109,7 @@
 
 static int tmc_etf_enable_hw(struct tmc_drvdata *drvdata)
 {
-	int rc = coresight_claim_device(drvdata->base);
+	int rc = coresight_claim_device(drvdata->csdev);
 
 	if (rc)
 		return rc;
@@ -120,11 +120,13 @@
 
 static void tmc_etf_disable_hw(struct tmc_drvdata *drvdata)
 {
+	struct coresight_device *csdev = drvdata->csdev;
+
 	CS_UNLOCK(drvdata->base);
 
 	tmc_flush_and_stop(drvdata);
 	tmc_disable_hw(drvdata);
-	coresight_disclaim_device_unlocked(drvdata->base);
+	coresight_disclaim_device_unlocked(csdev);
 	CS_LOCK(drvdata->base);
 }
 
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index ae2dd0c..19e701e 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -610,8 +610,9 @@
 	if (!flat_buf)
 		return -ENOMEM;
 
-	flat_buf->vaddr = dma_alloc_coherent(real_dev, etr_buf->size,
-					     &flat_buf->daddr, GFP_KERNEL);
+	flat_buf->vaddr = dma_alloc_noncoherent(real_dev, etr_buf->size,
+						&flat_buf->daddr,
+						DMA_FROM_DEVICE, GFP_KERNEL);
 	if (!flat_buf->vaddr) {
 		kfree(flat_buf);
 		return -ENOMEM;
@@ -632,14 +633,18 @@
 	if (flat_buf && flat_buf->daddr) {
 		struct device *real_dev = flat_buf->dev->parent;
 
-		dma_free_coherent(real_dev, flat_buf->size,
-				  flat_buf->vaddr, flat_buf->daddr);
+		dma_free_noncoherent(real_dev, etr_buf->size,
+				     flat_buf->vaddr, flat_buf->daddr,
+				     DMA_FROM_DEVICE);
 	}
 	kfree(flat_buf);
 }
 
 static void tmc_etr_sync_flat_buf(struct etr_buf *etr_buf, u64 rrp, u64 rwp)
 {
+	struct etr_flat_buf *flat_buf = etr_buf->private;
+	struct device *real_dev = flat_buf->dev->parent;
+
 	/*
 	 * Adjust the buffer to point to the beginning of the trace data
 	 * and update the available trace data.
@@ -649,6 +654,19 @@
 		etr_buf->len = etr_buf->size;
 	else
 		etr_buf->len = rwp - rrp;
+
+	/*
+	 * The driver always starts tracing at the beginning of the buffer,
+	 * the only reason why we would get a wrap around is when the buffer
+	 * is full.  Sync the entire buffer in one go for this case.
+	 */
+	if (etr_buf->offset + etr_buf->len > etr_buf->size)
+		dma_sync_single_for_cpu(real_dev, flat_buf->daddr,
+					etr_buf->size, DMA_FROM_DEVICE);
+	else
+		dma_sync_single_for_cpu(real_dev,
+					flat_buf->daddr + etr_buf->offset,
+					etr_buf->len, DMA_FROM_DEVICE);
 }
 
 static ssize_t tmc_etr_get_data_flat_buf(struct etr_buf *etr_buf,
@@ -1041,7 +1059,7 @@
 	rc = tmc_etr_enable_catu(drvdata, etr_buf);
 	if (rc)
 		return rc;
-	rc = coresight_claim_device(drvdata->base);
+	rc = coresight_claim_device(drvdata->csdev);
 	if (!rc) {
 		drvdata->etr_buf = etr_buf;
 		__tmc_etr_enable_hw(drvdata);
@@ -1135,7 +1153,7 @@
 	__tmc_etr_disable_hw(drvdata);
 	/* Disable CATU device if this ETR is connected to one */
 	tmc_etr_disable_catu(drvdata);
-	coresight_disclaim_device(drvdata->base);
+	coresight_disclaim_device(drvdata->csdev);
 	/* Reset the ETR buf used by hardware */
 	drvdata->etr_buf = NULL;
 }
@@ -1564,6 +1582,14 @@
 	 */
 	if (etr_perf->snapshot)
 		handle->head += size;
+
+	/*
+	 * Ensure that the AUX trace data is visible before the aux_head
+	 * is updated via perf_aux_output_end(), as expected by the
+	 * perf ring buffer.
+	 */
+	smp_wmb();
+
 out:
 	/*
 	 * Don't set the TRUNCATED flag in snapshot mode because 1) the
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index 0ca39d9..69436fa 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -60,49 +60,45 @@
 	struct coresight_device	*csdev;
 };
 
-static void tpiu_enable_hw(struct tpiu_drvdata *drvdata)
+static void tpiu_enable_hw(struct csdev_access *csa)
 {
-	CS_UNLOCK(drvdata->base);
+	CS_UNLOCK(csa->base);
 
 	/* TODO: fill this up */
 
-	CS_LOCK(drvdata->base);
+	CS_LOCK(csa->base);
 }
 
 static int tpiu_enable(struct coresight_device *csdev, u32 mode, void *__unused)
 {
-	struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
-
-	tpiu_enable_hw(drvdata);
+	tpiu_enable_hw(&csdev->access);
 	atomic_inc(csdev->refcnt);
 	dev_dbg(&csdev->dev, "TPIU enabled\n");
 	return 0;
 }
 
-static void tpiu_disable_hw(struct tpiu_drvdata *drvdata)
+static void tpiu_disable_hw(struct csdev_access *csa)
 {
-	CS_UNLOCK(drvdata->base);
+	CS_UNLOCK(csa->base);
 
 	/* Clear formatter and stop on flush */
-	writel_relaxed(FFCR_STOP_FI, drvdata->base + TPIU_FFCR);
+	csdev_access_relaxed_write32(csa, FFCR_STOP_FI, TPIU_FFCR);
 	/* Generate manual flush */
-	writel_relaxed(FFCR_STOP_FI | FFCR_FON_MAN, drvdata->base + TPIU_FFCR);
+	csdev_access_relaxed_write32(csa, FFCR_STOP_FI | FFCR_FON_MAN, TPIU_FFCR);
 	/* Wait for flush to complete */
-	coresight_timeout(drvdata->base, TPIU_FFCR, FFCR_FON_MAN_BIT, 0);
+	coresight_timeout(csa, TPIU_FFCR, FFCR_FON_MAN_BIT, 0);
 	/* Wait for formatter to stop */
-	coresight_timeout(drvdata->base, TPIU_FFSR, FFSR_FT_STOPPED_BIT, 1);
+	coresight_timeout(csa, TPIU_FFSR, FFSR_FT_STOPPED_BIT, 1);
 
-	CS_LOCK(drvdata->base);
+	CS_LOCK(csa->base);
 }
 
 static int tpiu_disable(struct coresight_device *csdev)
 {
-	struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
-
 	if (atomic_dec_return(csdev->refcnt))
 		return -EBUSY;
 
-	tpiu_disable_hw(drvdata);
+	tpiu_disable_hw(&csdev->access);
 
 	dev_dbg(&csdev->dev, "TPIU disabled\n");
 	return 0;
@@ -149,9 +145,10 @@
 		return PTR_ERR(base);
 
 	drvdata->base = base;
+	desc.access = CSDEV_ACCESS_IOMEM(base);
 
 	/* Disable tpiu to support older devices */
-	tpiu_disable_hw(drvdata);
+	tpiu_disable_hw(&desc.access);
 
 	pdata = coresight_get_platform_data(dev);
 	if (IS_ERR(pdata))
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
new file mode 100644
index 0000000..fac63d0
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -0,0 +1,1164 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This driver enables Trace Buffer Extension (TRBE) as a per-cpu coresight
+ * sink device could then pair with an appropriate per-cpu coresight source
+ * device (ETE) thus generating required trace data. Trace can be enabled
+ * via the perf framework.
+ *
+ * The AUX buffer handling is inspired from Arm SPE PMU driver.
+ *
+ * Copyright (C) 2020 ARM Ltd.
+ *
+ * Author: Anshuman Khandual <anshuman.khandual@arm.com>
+ */
+#define DRVNAME "arm_trbe"
+
+#define pr_fmt(fmt) DRVNAME ": " fmt
+
+#include <asm/barrier.h>
+#include "coresight-trbe.h"
+
+#define PERF_IDX2OFF(idx, buf) ((idx) % ((buf)->nr_pages << PAGE_SHIFT))
+
+/*
+ * A padding packet that will help the user space tools
+ * in skipping relevant sections in the captured trace
+ * data which could not be decoded. TRBE doesn't support
+ * formatting the trace data, unlike the legacy CoreSight
+ * sinks and thus we use ETE trace packets to pad the
+ * sections of the buffer.
+ */
+#define ETE_IGNORE_PACKET		0x70
+
+/*
+ * Minimum amount of meaningful trace will contain:
+ * A-Sync, Trace Info, Trace On, Address, Atom.
+ * This is about 44bytes of ETE trace. To be on
+ * the safer side, we assume 64bytes is the minimum
+ * space required for a meaningful session, before
+ * we hit a "WRAP" event.
+ */
+#define TRBE_TRACE_MIN_BUF_SIZE		64
+
+enum trbe_fault_action {
+	TRBE_FAULT_ACT_WRAP,
+	TRBE_FAULT_ACT_SPURIOUS,
+	TRBE_FAULT_ACT_FATAL,
+};
+
+struct trbe_buf {
+	/*
+	 * Even though trbe_base represents vmap()
+	 * mapped allocated buffer's start address,
+	 * it's being as unsigned long for various
+	 * arithmetic and comparision operations &
+	 * also to be consistent with trbe_write &
+	 * trbe_limit sibling pointers.
+	 */
+	unsigned long trbe_base;
+	unsigned long trbe_limit;
+	unsigned long trbe_write;
+	int nr_pages;
+	void **pages;
+	bool snapshot;
+	struct trbe_cpudata *cpudata;
+};
+
+struct trbe_cpudata {
+	bool trbe_flag;
+	u64 trbe_align;
+	int cpu;
+	enum cs_mode mode;
+	struct trbe_buf *buf;
+	struct trbe_drvdata *drvdata;
+};
+
+struct trbe_drvdata {
+	struct trbe_cpudata __percpu *cpudata;
+	struct perf_output_handle * __percpu *handle;
+	struct hlist_node hotplug_node;
+	int irq;
+	cpumask_t supported_cpus;
+	enum cpuhp_state trbe_online;
+	struct platform_device *pdev;
+};
+
+static int trbe_alloc_node(struct perf_event *event)
+{
+	if (event->cpu == -1)
+		return NUMA_NO_NODE;
+	return cpu_to_node(event->cpu);
+}
+
+static void trbe_drain_buffer(void)
+{
+	tsb_csync();
+	dsb(nsh);
+}
+
+static void trbe_drain_and_disable_local(void)
+{
+	u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+	trbe_drain_buffer();
+
+	/*
+	 * Disable the TRBE without clearing LIMITPTR which
+	 * might be required for fetching the buffer limits.
+	 */
+	trblimitr &= ~TRBLIMITR_ENABLE;
+	write_sysreg_s(trblimitr, SYS_TRBLIMITR_EL1);
+	isb();
+}
+
+static void trbe_reset_local(void)
+{
+	trbe_drain_and_disable_local();
+	write_sysreg_s(0, SYS_TRBLIMITR_EL1);
+	write_sysreg_s(0, SYS_TRBPTR_EL1);
+	write_sysreg_s(0, SYS_TRBBASER_EL1);
+	write_sysreg_s(0, SYS_TRBSR_EL1);
+}
+
+static void trbe_stop_and_truncate_event(struct perf_output_handle *handle)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+	/*
+	 * We cannot proceed with the buffer collection and we
+	 * do not have any data for the current session. The
+	 * etm_perf driver expects to close out the aux_buffer
+	 * at event_stop(). So disable the TRBE here and leave
+	 * the update_buffer() to return a 0 size.
+	 */
+	trbe_drain_and_disable_local();
+	perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+	*this_cpu_ptr(buf->cpudata->drvdata->handle) = NULL;
+}
+
+/*
+ * TRBE Buffer Management
+ *
+ * The TRBE buffer spans from the base pointer till the limit pointer. When enabled,
+ * it starts writing trace data from the write pointer onward till the limit pointer.
+ * When the write pointer reaches the address just before the limit pointer, it gets
+ * wrapped around again to the base pointer. This is called a TRBE wrap event, which
+ * generates a maintenance interrupt when operated in WRAP or FILL mode. This driver
+ * uses FILL mode, where the TRBE stops the trace collection at wrap event. The IRQ
+ * handler updates the AUX buffer and re-enables the TRBE with updated WRITE and
+ * LIMIT pointers.
+ *
+ *	Wrap around with an IRQ
+ *	------ < ------ < ------- < ----- < -----
+ *	|					|
+ *	------ > ------ > ------- > ----- > -----
+ *
+ *	+---------------+-----------------------+
+ *	|		|			|
+ *	+---------------+-----------------------+
+ *	Base Pointer	Write Pointer		Limit Pointer
+ *
+ * The base and limit pointers always needs to be PAGE_SIZE aligned. But the write
+ * pointer can be aligned to the implementation defined TRBE trace buffer alignment
+ * as captured in trbe_cpudata->trbe_align.
+ *
+ *
+ *		head		tail		wakeup
+ *	+---------------------------------------+----- ~ ~ ------
+ *	|$$$$$$$|################|$$$$$$$$$$$$$$|		|
+ *	+---------------------------------------+----- ~ ~ ------
+ *	Base Pointer	Write Pointer		Limit Pointer
+ *
+ * The perf_output_handle indices (head, tail, wakeup) are monotonically increasing
+ * values which tracks all the driver writes and user reads from the perf auxiliary
+ * buffer. Generally [head..tail] is the area where the driver can write into unless
+ * the wakeup is behind the tail. Enabled TRBE buffer span needs to be adjusted and
+ * configured depending on the perf_output_handle indices, so that the driver does
+ * not override into areas in the perf auxiliary buffer which is being or yet to be
+ * consumed from the user space. The enabled TRBE buffer area is a moving subset of
+ * the allocated perf auxiliary buffer.
+ */
+static void trbe_pad_buf(struct perf_output_handle *handle, int len)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+	u64 head = PERF_IDX2OFF(handle->head, buf);
+
+	memset((void *)buf->trbe_base + head, ETE_IGNORE_PACKET, len);
+	if (!buf->snapshot)
+		perf_aux_output_skip(handle, len);
+}
+
+static unsigned long trbe_snapshot_offset(struct perf_output_handle *handle)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+	/*
+	 * The ETE trace has alignment synchronization packets allowing
+	 * the decoder to reset in case of an overflow or corruption.
+	 * So we can use the entire buffer for the snapshot mode.
+	 */
+	return buf->nr_pages * PAGE_SIZE;
+}
+
+/*
+ * TRBE Limit Calculation
+ *
+ * The following markers are used to illustrate various TRBE buffer situations.
+ *
+ * $$$$ - Data area, unconsumed captured trace data, not to be overridden
+ * #### - Free area, enabled, trace will be written
+ * %%%% - Free area, disabled, trace will not be written
+ * ==== - Free area, padded with ETE_IGNORE_PACKET, trace will be skipped
+ */
+static unsigned long __trbe_normal_offset(struct perf_output_handle *handle)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+	struct trbe_cpudata *cpudata = buf->cpudata;
+	const u64 bufsize = buf->nr_pages * PAGE_SIZE;
+	u64 limit = bufsize;
+	u64 head, tail, wakeup;
+
+	head = PERF_IDX2OFF(handle->head, buf);
+
+	/*
+	 *		head
+	 *	------->|
+	 *	|
+	 *	head	TRBE align	tail
+	 * +----|-------|---------------|-------+
+	 * |$$$$|=======|###############|$$$$$$$|
+	 * +----|-------|---------------|-------+
+	 * trbe_base				trbe_base + nr_pages
+	 *
+	 * Perf aux buffer output head position can be misaligned depending on
+	 * various factors including user space reads. In case misaligned, head
+	 * needs to be aligned before TRBE can be configured. Pad the alignment
+	 * gap with ETE_IGNORE_PACKET bytes that will be ignored by user tools
+	 * and skip this section thus advancing the head.
+	 */
+	if (!IS_ALIGNED(head, cpudata->trbe_align)) {
+		unsigned long delta = roundup(head, cpudata->trbe_align) - head;
+
+		delta = min(delta, handle->size);
+		trbe_pad_buf(handle, delta);
+		head = PERF_IDX2OFF(handle->head, buf);
+	}
+
+	/*
+	 *	head = tail (size = 0)
+	 * +----|-------------------------------+
+	 * |$$$$|$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	|
+	 * +----|-------------------------------+
+	 * trbe_base				trbe_base + nr_pages
+	 *
+	 * Perf aux buffer does not have any space for the driver to write into.
+	 * Just communicate trace truncation event to the user space by marking
+	 * it with PERF_AUX_FLAG_TRUNCATED.
+	 */
+	if (!handle->size) {
+		perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+		return 0;
+	}
+
+	/* Compute the tail and wakeup indices now that we've aligned head */
+	tail = PERF_IDX2OFF(handle->head + handle->size, buf);
+	wakeup = PERF_IDX2OFF(handle->wakeup, buf);
+
+	/*
+	 * Lets calculate the buffer area which TRBE could write into. There
+	 * are three possible scenarios here. Limit needs to be aligned with
+	 * PAGE_SIZE per the TRBE requirement. Always avoid clobbering the
+	 * unconsumed data.
+	 *
+	 * 1) head < tail
+	 *
+	 *	head			tail
+	 * +----|-----------------------|-------+
+	 * |$$$$|#######################|$$$$$$$|
+	 * +----|-----------------------|-------+
+	 * trbe_base			limit	trbe_base + nr_pages
+	 *
+	 * TRBE could write into [head..tail] area. Unless the tail is right at
+	 * the end of the buffer, neither an wrap around nor an IRQ is expected
+	 * while being enabled.
+	 *
+	 * 2) head == tail
+	 *
+	 *	head = tail (size > 0)
+	 * +----|-------------------------------+
+	 * |%%%%|###############################|
+	 * +----|-------------------------------+
+	 * trbe_base				limit = trbe_base + nr_pages
+	 *
+	 * TRBE should just write into [head..base + nr_pages] area even though
+	 * the entire buffer is empty. Reason being, when the trace reaches the
+	 * end of the buffer, it will just wrap around with an IRQ giving an
+	 * opportunity to reconfigure the buffer.
+	 *
+	 * 3) tail < head
+	 *
+	 *	tail			head
+	 * +----|-----------------------|-------+
+	 * |%%%%|$$$$$$$$$$$$$$$$$$$$$$$|#######|
+	 * +----|-----------------------|-------+
+	 * trbe_base				limit = trbe_base + nr_pages
+	 *
+	 * TRBE should just write into [head..base + nr_pages] area even though
+	 * the [trbe_base..tail] is also empty. Reason being, when the trace
+	 * reaches the end of the buffer, it will just wrap around with an IRQ
+	 * giving an opportunity to reconfigure the buffer.
+	 */
+	if (head < tail)
+		limit = round_down(tail, PAGE_SIZE);
+
+	/*
+	 * Wakeup may be arbitrarily far into the future. If it's not in the
+	 * current generation, either we'll wrap before hitting it, or it's
+	 * in the past and has been handled already.
+	 *
+	 * If there's a wakeup before we wrap, arrange to be woken up by the
+	 * page boundary following it. Keep the tail boundary if that's lower.
+	 *
+	 *	head		wakeup	tail
+	 * +----|---------------|-------|-------+
+	 * |$$$$|###############|%%%%%%%|$$$$$$$|
+	 * +----|---------------|-------|-------+
+	 * trbe_base		limit		trbe_base + nr_pages
+	 */
+	if (handle->wakeup < (handle->head + handle->size) && head <= wakeup)
+		limit = min(limit, round_up(wakeup, PAGE_SIZE));
+
+	/*
+	 * There are two situation when this can happen i.e limit is before
+	 * the head and hence TRBE cannot be configured.
+	 *
+	 * 1) head < tail (aligned down with PAGE_SIZE) and also they are both
+	 * within the same PAGE size range.
+	 *
+	 *			PAGE_SIZE
+	 *		|----------------------|
+	 *
+	 *		limit	head	tail
+	 * +------------|------|--------|-------+
+	 * |$$$$$$$$$$$$$$$$$$$|========|$$$$$$$|
+	 * +------------|------|--------|-------+
+	 * trbe_base				trbe_base + nr_pages
+	 *
+	 * 2) head < wakeup (aligned up with PAGE_SIZE) < tail and also both
+	 * head and wakeup are within same PAGE size range.
+	 *
+	 *		PAGE_SIZE
+	 *	|----------------------|
+	 *
+	 *	limit	head	wakeup  tail
+	 * +----|------|-------|--------|-------+
+	 * |$$$$$$$$$$$|=======|========|$$$$$$$|
+	 * +----|------|-------|--------|-------+
+	 * trbe_base				trbe_base + nr_pages
+	 */
+	if (limit > head)
+		return limit;
+
+	trbe_pad_buf(handle, handle->size);
+	perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+	return 0;
+}
+
+static unsigned long trbe_normal_offset(struct perf_output_handle *handle)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+	u64 limit = __trbe_normal_offset(handle);
+	u64 head = PERF_IDX2OFF(handle->head, buf);
+
+	/*
+	 * If the head is too close to the limit and we don't
+	 * have space for a meaningful run, we rather pad it
+	 * and start fresh.
+	 */
+	if (limit && (limit - head < TRBE_TRACE_MIN_BUF_SIZE)) {
+		trbe_pad_buf(handle, limit - head);
+		limit = __trbe_normal_offset(handle);
+	}
+	return limit;
+}
+
+static unsigned long compute_trbe_buffer_limit(struct perf_output_handle *handle)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+	unsigned long offset;
+
+	if (buf->snapshot)
+		offset = trbe_snapshot_offset(handle);
+	else
+		offset = trbe_normal_offset(handle);
+	return buf->trbe_base + offset;
+}
+
+static void clr_trbe_status(void)
+{
+	u64 trbsr = read_sysreg_s(SYS_TRBSR_EL1);
+
+	WARN_ON(is_trbe_enabled());
+	trbsr &= ~TRBSR_IRQ;
+	trbsr &= ~TRBSR_TRG;
+	trbsr &= ~TRBSR_WRAP;
+	trbsr &= ~(TRBSR_EC_MASK << TRBSR_EC_SHIFT);
+	trbsr &= ~(TRBSR_BSC_MASK << TRBSR_BSC_SHIFT);
+	trbsr &= ~TRBSR_STOP;
+	write_sysreg_s(trbsr, SYS_TRBSR_EL1);
+}
+
+static void set_trbe_limit_pointer_enabled(unsigned long addr)
+{
+	u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+	WARN_ON(!IS_ALIGNED(addr, (1UL << TRBLIMITR_LIMIT_SHIFT)));
+	WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+
+	trblimitr &= ~TRBLIMITR_NVM;
+	trblimitr &= ~(TRBLIMITR_FILL_MODE_MASK << TRBLIMITR_FILL_MODE_SHIFT);
+	trblimitr &= ~(TRBLIMITR_TRIG_MODE_MASK << TRBLIMITR_TRIG_MODE_SHIFT);
+	trblimitr &= ~(TRBLIMITR_LIMIT_MASK << TRBLIMITR_LIMIT_SHIFT);
+
+	/*
+	 * Fill trace buffer mode is used here while configuring the
+	 * TRBE for trace capture. In this particular mode, the trace
+	 * collection is stopped and a maintenance interrupt is raised
+	 * when the current write pointer wraps. This pause in trace
+	 * collection gives the software an opportunity to capture the
+	 * trace data in the interrupt handler, before reconfiguring
+	 * the TRBE.
+	 */
+	trblimitr |= (TRBE_FILL_MODE_FILL & TRBLIMITR_FILL_MODE_MASK) << TRBLIMITR_FILL_MODE_SHIFT;
+
+	/*
+	 * Trigger mode is not used here while configuring the TRBE for
+	 * the trace capture. Hence just keep this in the ignore mode.
+	 */
+	trblimitr |= (TRBE_TRIG_MODE_IGNORE & TRBLIMITR_TRIG_MODE_MASK) <<
+		      TRBLIMITR_TRIG_MODE_SHIFT;
+	trblimitr |= (addr & PAGE_MASK);
+
+	trblimitr |= TRBLIMITR_ENABLE;
+	write_sysreg_s(trblimitr, SYS_TRBLIMITR_EL1);
+
+	/* Synchronize the TRBE enable event */
+	isb();
+}
+
+static void trbe_enable_hw(struct trbe_buf *buf)
+{
+	WARN_ON(buf->trbe_write < buf->trbe_base);
+	WARN_ON(buf->trbe_write >= buf->trbe_limit);
+	set_trbe_disabled();
+	isb();
+	clr_trbe_status();
+	set_trbe_base_pointer(buf->trbe_base);
+	set_trbe_write_pointer(buf->trbe_write);
+
+	/*
+	 * Synchronize all the register updates
+	 * till now before enabling the TRBE.
+	 */
+	isb();
+	set_trbe_limit_pointer_enabled(buf->trbe_limit);
+}
+
+static enum trbe_fault_action trbe_get_fault_act(u64 trbsr)
+{
+	int ec = get_trbe_ec(trbsr);
+	int bsc = get_trbe_bsc(trbsr);
+
+	WARN_ON(is_trbe_running(trbsr));
+	if (is_trbe_trg(trbsr) || is_trbe_abort(trbsr))
+		return TRBE_FAULT_ACT_FATAL;
+
+	if ((ec == TRBE_EC_STAGE1_ABORT) || (ec == TRBE_EC_STAGE2_ABORT))
+		return TRBE_FAULT_ACT_FATAL;
+
+	if (is_trbe_wrap(trbsr) && (ec == TRBE_EC_OTHERS) && (bsc == TRBE_BSC_FILLED)) {
+		if (get_trbe_write_pointer() == get_trbe_base_pointer())
+			return TRBE_FAULT_ACT_WRAP;
+	}
+	return TRBE_FAULT_ACT_SPURIOUS;
+}
+
+static void *arm_trbe_alloc_buffer(struct coresight_device *csdev,
+				   struct perf_event *event, void **pages,
+				   int nr_pages, bool snapshot)
+{
+	struct trbe_buf *buf;
+	struct page **pglist;
+	int i;
+
+	/*
+	 * TRBE LIMIT and TRBE WRITE pointers must be page aligned. But with
+	 * just a single page, there would not be any room left while writing
+	 * into a partially filled TRBE buffer after the page size alignment.
+	 * Hence restrict the minimum buffer size as two pages.
+	 */
+	if (nr_pages < 2)
+		return NULL;
+
+	buf = kzalloc_node(sizeof(*buf), GFP_KERNEL, trbe_alloc_node(event));
+	if (!buf)
+		return ERR_PTR(-ENOMEM);
+
+	pglist = kcalloc(nr_pages, sizeof(*pglist), GFP_KERNEL);
+	if (!pglist) {
+		kfree(buf);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	for (i = 0; i < nr_pages; i++)
+		pglist[i] = virt_to_page(pages[i]);
+
+	buf->trbe_base = (unsigned long)vmap(pglist, nr_pages, VM_MAP, PAGE_KERNEL);
+	if (!buf->trbe_base) {
+		kfree(pglist);
+		kfree(buf);
+		return ERR_PTR(-ENOMEM);
+	}
+	buf->trbe_limit = buf->trbe_base + nr_pages * PAGE_SIZE;
+	buf->trbe_write = buf->trbe_base;
+	buf->snapshot = snapshot;
+	buf->nr_pages = nr_pages;
+	buf->pages = pages;
+	kfree(pglist);
+	return buf;
+}
+
+static void arm_trbe_free_buffer(void *config)
+{
+	struct trbe_buf *buf = config;
+
+	vunmap((void *)buf->trbe_base);
+	kfree(buf);
+}
+
+static unsigned long arm_trbe_update_buffer(struct coresight_device *csdev,
+					    struct perf_output_handle *handle,
+					    void *config)
+{
+	struct trbe_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+	struct trbe_cpudata *cpudata = dev_get_drvdata(&csdev->dev);
+	struct trbe_buf *buf = config;
+	enum trbe_fault_action act;
+	unsigned long size, offset;
+	unsigned long write, base, status;
+	unsigned long flags;
+
+	WARN_ON(buf->cpudata != cpudata);
+	WARN_ON(cpudata->cpu != smp_processor_id());
+	WARN_ON(cpudata->drvdata != drvdata);
+	if (cpudata->mode != CS_MODE_PERF)
+		return 0;
+
+	perf_aux_output_flag(handle, PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW);
+
+	/*
+	 * We are about to disable the TRBE. And this could in turn
+	 * fill up the buffer triggering, an IRQ. This could be consumed
+	 * by the PE asynchronously, causing a race here against
+	 * the IRQ handler in closing out the handle. So, let us
+	 * make sure the IRQ can't trigger while we are collecting
+	 * the buffer. We also make sure that a WRAP event is handled
+	 * accordingly.
+	 */
+	local_irq_save(flags);
+
+	/*
+	 * If the TRBE was disabled due to lack of space in the AUX buffer or a
+	 * spurious fault, the driver leaves it disabled, truncating the buffer.
+	 * Since the etm_perf driver expects to close out the AUX buffer, the
+	 * driver skips it. Thus, just pass in 0 size here to indicate that the
+	 * buffer was truncated.
+	 */
+	if (!is_trbe_enabled()) {
+		size = 0;
+		goto done;
+	}
+	/*
+	 * perf handle structure needs to be shared with the TRBE IRQ handler for
+	 * capturing trace data and restarting the handle. There is a probability
+	 * of an undefined reference based crash when etm event is being stopped
+	 * while a TRBE IRQ also getting processed. This happens due the release
+	 * of perf handle via perf_aux_output_end() in etm_event_stop(). Stopping
+	 * the TRBE here will ensure that no IRQ could be generated when the perf
+	 * handle gets freed in etm_event_stop().
+	 */
+	trbe_drain_and_disable_local();
+	write = get_trbe_write_pointer();
+	base = get_trbe_base_pointer();
+
+	/* Check if there is a pending interrupt and handle it here */
+	status = read_sysreg_s(SYS_TRBSR_EL1);
+	if (is_trbe_irq(status)) {
+
+		/*
+		 * Now that we are handling the IRQ here, clear the IRQ
+		 * from the status, to let the irq handler know that it
+		 * is taken care of.
+		 */
+		clr_trbe_irq();
+		isb();
+
+		act = trbe_get_fault_act(status);
+		/*
+		 * If this was not due to a WRAP event, we have some
+		 * errors and as such buffer is empty.
+		 */
+		if (act != TRBE_FAULT_ACT_WRAP) {
+			size = 0;
+			goto done;
+		}
+
+		/*
+		 * Otherwise, the buffer is full and the write pointer
+		 * has reached base. Adjust this back to the Limit pointer
+		 * for correct size. Also, mark the buffer truncated.
+		 */
+		write = get_trbe_limit_pointer();
+		perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+	}
+
+	offset = write - base;
+	if (WARN_ON_ONCE(offset < PERF_IDX2OFF(handle->head, buf)))
+		size = 0;
+	else
+		size = offset - PERF_IDX2OFF(handle->head, buf);
+
+done:
+	local_irq_restore(flags);
+
+	if (buf->snapshot)
+		handle->head += size;
+	return size;
+}
+
+static int arm_trbe_enable(struct coresight_device *csdev, u32 mode, void *data)
+{
+	struct trbe_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+	struct trbe_cpudata *cpudata = dev_get_drvdata(&csdev->dev);
+	struct perf_output_handle *handle = data;
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+	WARN_ON(cpudata->cpu != smp_processor_id());
+	WARN_ON(cpudata->drvdata != drvdata);
+	if (mode != CS_MODE_PERF)
+		return -EINVAL;
+
+	*this_cpu_ptr(drvdata->handle) = handle;
+	cpudata->buf = buf;
+	cpudata->mode = mode;
+	buf->cpudata = cpudata;
+	buf->trbe_limit = compute_trbe_buffer_limit(handle);
+	buf->trbe_write = buf->trbe_base + PERF_IDX2OFF(handle->head, buf);
+	if (buf->trbe_limit == buf->trbe_base) {
+		trbe_stop_and_truncate_event(handle);
+		return 0;
+	}
+	trbe_enable_hw(buf);
+	return 0;
+}
+
+static int arm_trbe_disable(struct coresight_device *csdev)
+{
+	struct trbe_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+	struct trbe_cpudata *cpudata = dev_get_drvdata(&csdev->dev);
+	struct trbe_buf *buf = cpudata->buf;
+
+	WARN_ON(buf->cpudata != cpudata);
+	WARN_ON(cpudata->cpu != smp_processor_id());
+	WARN_ON(cpudata->drvdata != drvdata);
+	if (cpudata->mode != CS_MODE_PERF)
+		return -EINVAL;
+
+	trbe_drain_and_disable_local();
+	buf->cpudata = NULL;
+	cpudata->buf = NULL;
+	cpudata->mode = CS_MODE_DISABLED;
+	return 0;
+}
+
+static void trbe_handle_spurious(struct perf_output_handle *handle)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+	buf->trbe_limit = compute_trbe_buffer_limit(handle);
+	buf->trbe_write = buf->trbe_base + PERF_IDX2OFF(handle->head, buf);
+	if (buf->trbe_limit == buf->trbe_base) {
+		trbe_drain_and_disable_local();
+		return;
+	}
+	trbe_enable_hw(buf);
+}
+
+static void trbe_handle_overflow(struct perf_output_handle *handle)
+{
+	struct perf_event *event = handle->event;
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+	unsigned long offset, size;
+	struct etm_event_data *event_data;
+
+	offset = get_trbe_limit_pointer() - get_trbe_base_pointer();
+	size = offset - PERF_IDX2OFF(handle->head, buf);
+	if (buf->snapshot)
+		handle->head += size;
+
+	/*
+	 * Mark the buffer as truncated, as we have stopped the trace
+	 * collection upon the WRAP event, without stopping the source.
+	 */
+	perf_aux_output_flag(handle, PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW |
+				     PERF_AUX_FLAG_TRUNCATED);
+	perf_aux_output_end(handle, size);
+	event_data = perf_aux_output_begin(handle, event);
+	if (!event_data) {
+		/*
+		 * We are unable to restart the trace collection,
+		 * thus leave the TRBE disabled. The etm-perf driver
+		 * is able to detect this with a disconnected handle
+		 * (handle->event = NULL).
+		 */
+		trbe_drain_and_disable_local();
+		*this_cpu_ptr(buf->cpudata->drvdata->handle) = NULL;
+		return;
+	}
+	buf->trbe_limit = compute_trbe_buffer_limit(handle);
+	buf->trbe_write = buf->trbe_base + PERF_IDX2OFF(handle->head, buf);
+	if (buf->trbe_limit == buf->trbe_base) {
+		trbe_stop_and_truncate_event(handle);
+		return;
+	}
+	*this_cpu_ptr(buf->cpudata->drvdata->handle) = handle;
+	trbe_enable_hw(buf);
+}
+
+static bool is_perf_trbe(struct perf_output_handle *handle)
+{
+	struct trbe_buf *buf = etm_perf_sink_config(handle);
+	struct trbe_cpudata *cpudata = buf->cpudata;
+	struct trbe_drvdata *drvdata = cpudata->drvdata;
+	int cpu = smp_processor_id();
+
+	WARN_ON(buf->trbe_base != get_trbe_base_pointer());
+	WARN_ON(buf->trbe_limit != get_trbe_limit_pointer());
+
+	if (cpudata->mode != CS_MODE_PERF)
+		return false;
+
+	if (cpudata->cpu != cpu)
+		return false;
+
+	if (!cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+		return false;
+
+	return true;
+}
+
+static irqreturn_t arm_trbe_irq_handler(int irq, void *dev)
+{
+	struct perf_output_handle **handle_ptr = dev;
+	struct perf_output_handle *handle = *handle_ptr;
+	enum trbe_fault_action act;
+	u64 status;
+
+	/*
+	 * Ensure the trace is visible to the CPUs and
+	 * any external aborts have been resolved.
+	 */
+	trbe_drain_and_disable_local();
+
+	status = read_sysreg_s(SYS_TRBSR_EL1);
+	/*
+	 * If the pending IRQ was handled by update_buffer callback
+	 * we have nothing to do here.
+	 */
+	if (!is_trbe_irq(status))
+		return IRQ_NONE;
+
+	clr_trbe_irq();
+	isb();
+
+	if (WARN_ON_ONCE(!handle) || !perf_get_aux(handle))
+		return IRQ_NONE;
+
+	if (!is_perf_trbe(handle))
+		return IRQ_NONE;
+
+	/*
+	 * Ensure perf callbacks have completed, which may disable
+	 * the trace buffer in response to a TRUNCATION flag.
+	 */
+	irq_work_run();
+
+	act = trbe_get_fault_act(status);
+	switch (act) {
+	case TRBE_FAULT_ACT_WRAP:
+		trbe_handle_overflow(handle);
+		break;
+	case TRBE_FAULT_ACT_SPURIOUS:
+		trbe_handle_spurious(handle);
+		break;
+	case TRBE_FAULT_ACT_FATAL:
+		trbe_stop_and_truncate_event(handle);
+		break;
+	}
+	return IRQ_HANDLED;
+}
+
+static const struct coresight_ops_sink arm_trbe_sink_ops = {
+	.enable		= arm_trbe_enable,
+	.disable	= arm_trbe_disable,
+	.alloc_buffer	= arm_trbe_alloc_buffer,
+	.free_buffer	= arm_trbe_free_buffer,
+	.update_buffer	= arm_trbe_update_buffer,
+};
+
+static const struct coresight_ops arm_trbe_cs_ops = {
+	.sink_ops	= &arm_trbe_sink_ops,
+};
+
+static ssize_t align_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct trbe_cpudata *cpudata = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%llx\n", cpudata->trbe_align);
+}
+static DEVICE_ATTR_RO(align);
+
+static ssize_t flag_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct trbe_cpudata *cpudata = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", cpudata->trbe_flag);
+}
+static DEVICE_ATTR_RO(flag);
+
+static struct attribute *arm_trbe_attrs[] = {
+	&dev_attr_align.attr,
+	&dev_attr_flag.attr,
+	NULL,
+};
+
+static const struct attribute_group arm_trbe_group = {
+	.attrs = arm_trbe_attrs,
+};
+
+static const struct attribute_group *arm_trbe_groups[] = {
+	&arm_trbe_group,
+	NULL,
+};
+
+static void arm_trbe_enable_cpu(void *info)
+{
+	struct trbe_drvdata *drvdata = info;
+
+	trbe_reset_local();
+	enable_percpu_irq(drvdata->irq, IRQ_TYPE_NONE);
+}
+
+static void arm_trbe_register_coresight_cpu(struct trbe_drvdata *drvdata, int cpu)
+{
+	struct trbe_cpudata *cpudata = per_cpu_ptr(drvdata->cpudata, cpu);
+	struct coresight_device *trbe_csdev = coresight_get_percpu_sink(cpu);
+	struct coresight_desc desc = { 0 };
+	struct device *dev;
+
+	if (WARN_ON(trbe_csdev))
+		return;
+
+	/* If the TRBE was not probed on the CPU, we shouldn't be here */
+	if (WARN_ON(!cpudata->drvdata))
+		return;
+
+	dev = &cpudata->drvdata->pdev->dev;
+	desc.name = devm_kasprintf(dev, GFP_KERNEL, "trbe%d", cpu);
+	if (!desc.name)
+		goto cpu_clear;
+
+	desc.type = CORESIGHT_DEV_TYPE_SINK;
+	desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM;
+	desc.ops = &arm_trbe_cs_ops;
+	desc.pdata = dev_get_platdata(dev);
+	desc.groups = arm_trbe_groups;
+	desc.dev = dev;
+	trbe_csdev = coresight_register(&desc);
+	if (IS_ERR(trbe_csdev))
+		goto cpu_clear;
+
+	dev_set_drvdata(&trbe_csdev->dev, cpudata);
+	coresight_set_percpu_sink(cpu, trbe_csdev);
+	return;
+cpu_clear:
+	cpumask_clear_cpu(cpu, &drvdata->supported_cpus);
+}
+
+static void arm_trbe_probe_cpu(void *info)
+{
+	struct trbe_drvdata *drvdata = info;
+	int cpu = smp_processor_id();
+	struct trbe_cpudata *cpudata = per_cpu_ptr(drvdata->cpudata, cpu);
+	u64 trbidr;
+
+	if (WARN_ON(!cpudata))
+		goto cpu_clear;
+
+	if (!is_trbe_available()) {
+		pr_err("TRBE is not implemented on cpu %d\n", cpu);
+		goto cpu_clear;
+	}
+
+	trbidr = read_sysreg_s(SYS_TRBIDR_EL1);
+	if (!is_trbe_programmable(trbidr)) {
+		pr_err("TRBE is owned in higher exception level on cpu %d\n", cpu);
+		goto cpu_clear;
+	}
+
+	cpudata->trbe_align = 1ULL << get_trbe_address_align(trbidr);
+	if (cpudata->trbe_align > SZ_2K) {
+		pr_err("Unsupported alignment on cpu %d\n", cpu);
+		goto cpu_clear;
+	}
+	cpudata->trbe_flag = get_trbe_flag_update(trbidr);
+	cpudata->cpu = cpu;
+	cpudata->drvdata = drvdata;
+	return;
+cpu_clear:
+	cpumask_clear_cpu(cpu, &drvdata->supported_cpus);
+}
+
+static void arm_trbe_remove_coresight_cpu(void *info)
+{
+	int cpu = smp_processor_id();
+	struct trbe_drvdata *drvdata = info;
+	struct trbe_cpudata *cpudata = per_cpu_ptr(drvdata->cpudata, cpu);
+	struct coresight_device *trbe_csdev = coresight_get_percpu_sink(cpu);
+
+	disable_percpu_irq(drvdata->irq);
+	trbe_reset_local();
+	if (trbe_csdev) {
+		coresight_unregister(trbe_csdev);
+		cpudata->drvdata = NULL;
+		coresight_set_percpu_sink(cpu, NULL);
+	}
+}
+
+static int arm_trbe_probe_coresight(struct trbe_drvdata *drvdata)
+{
+	int cpu;
+
+	drvdata->cpudata = alloc_percpu(typeof(*drvdata->cpudata));
+	if (!drvdata->cpudata)
+		return -ENOMEM;
+
+	for_each_cpu(cpu, &drvdata->supported_cpus) {
+		/* If we fail to probe the CPU, let us defer it to hotplug callbacks */
+		if (smp_call_function_single(cpu, arm_trbe_probe_cpu, drvdata, 1))
+			continue;
+		if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+			arm_trbe_register_coresight_cpu(drvdata, cpu);
+		if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+			smp_call_function_single(cpu, arm_trbe_enable_cpu, drvdata, 1);
+	}
+	return 0;
+}
+
+static int arm_trbe_remove_coresight(struct trbe_drvdata *drvdata)
+{
+	int cpu;
+
+	for_each_cpu(cpu, &drvdata->supported_cpus)
+		smp_call_function_single(cpu, arm_trbe_remove_coresight_cpu, drvdata, 1);
+	free_percpu(drvdata->cpudata);
+	return 0;
+}
+
+static int arm_trbe_cpu_startup(unsigned int cpu, struct hlist_node *node)
+{
+	struct trbe_drvdata *drvdata = hlist_entry_safe(node, struct trbe_drvdata, hotplug_node);
+
+	if (cpumask_test_cpu(cpu, &drvdata->supported_cpus)) {
+
+		/*
+		 * If this CPU was not probed for TRBE,
+		 * initialize it now.
+		 */
+		if (!coresight_get_percpu_sink(cpu)) {
+			arm_trbe_probe_cpu(drvdata);
+			if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+				arm_trbe_register_coresight_cpu(drvdata, cpu);
+			if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+				arm_trbe_enable_cpu(drvdata);
+		} else {
+			arm_trbe_enable_cpu(drvdata);
+		}
+	}
+	return 0;
+}
+
+static int arm_trbe_cpu_teardown(unsigned int cpu, struct hlist_node *node)
+{
+	struct trbe_drvdata *drvdata = hlist_entry_safe(node, struct trbe_drvdata, hotplug_node);
+
+	if (cpumask_test_cpu(cpu, &drvdata->supported_cpus)) {
+		disable_percpu_irq(drvdata->irq);
+		trbe_reset_local();
+	}
+	return 0;
+}
+
+static int arm_trbe_probe_cpuhp(struct trbe_drvdata *drvdata)
+{
+	enum cpuhp_state trbe_online;
+	int ret;
+
+	trbe_online = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, DRVNAME,
+					      arm_trbe_cpu_startup, arm_trbe_cpu_teardown);
+	if (trbe_online < 0)
+		return trbe_online;
+
+	ret = cpuhp_state_add_instance(trbe_online, &drvdata->hotplug_node);
+	if (ret) {
+		cpuhp_remove_multi_state(trbe_online);
+		return ret;
+	}
+	drvdata->trbe_online = trbe_online;
+	return 0;
+}
+
+static void arm_trbe_remove_cpuhp(struct trbe_drvdata *drvdata)
+{
+	cpuhp_state_remove_instance(drvdata->trbe_online, &drvdata->hotplug_node);
+	cpuhp_remove_multi_state(drvdata->trbe_online);
+}
+
+static int arm_trbe_probe_irq(struct platform_device *pdev,
+			      struct trbe_drvdata *drvdata)
+{
+	int ret;
+
+	drvdata->irq = platform_get_irq(pdev, 0);
+	if (drvdata->irq < 0) {
+		pr_err("IRQ not found for the platform device\n");
+		return drvdata->irq;
+	}
+
+	if (!irq_is_percpu(drvdata->irq)) {
+		pr_err("IRQ is not a PPI\n");
+		return -EINVAL;
+	}
+
+	if (irq_get_percpu_devid_partition(drvdata->irq, &drvdata->supported_cpus))
+		return -EINVAL;
+
+	drvdata->handle = alloc_percpu(struct perf_output_handle *);
+	if (!drvdata->handle)
+		return -ENOMEM;
+
+	ret = request_percpu_irq(drvdata->irq, arm_trbe_irq_handler, DRVNAME, drvdata->handle);
+	if (ret) {
+		free_percpu(drvdata->handle);
+		return ret;
+	}
+	return 0;
+}
+
+static void arm_trbe_remove_irq(struct trbe_drvdata *drvdata)
+{
+	free_percpu_irq(drvdata->irq, drvdata->handle);
+	free_percpu(drvdata->handle);
+}
+
+static int arm_trbe_device_probe(struct platform_device *pdev)
+{
+	struct coresight_platform_data *pdata;
+	struct trbe_drvdata *drvdata;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
+	if (!drvdata)
+		return -ENOMEM;
+
+	pdata = coresight_get_platform_data(dev);
+	if (IS_ERR(pdata))
+		return PTR_ERR(pdata);
+
+	dev_set_drvdata(dev, drvdata);
+	dev->platform_data = pdata;
+	drvdata->pdev = pdev;
+	ret = arm_trbe_probe_irq(pdev, drvdata);
+	if (ret)
+		return ret;
+
+	ret = arm_trbe_probe_coresight(drvdata);
+	if (ret)
+		goto probe_failed;
+
+	ret = arm_trbe_probe_cpuhp(drvdata);
+	if (ret)
+		goto cpuhp_failed;
+
+	return 0;
+cpuhp_failed:
+	arm_trbe_remove_coresight(drvdata);
+probe_failed:
+	arm_trbe_remove_irq(drvdata);
+	return ret;
+}
+
+static int arm_trbe_device_remove(struct platform_device *pdev)
+{
+	struct trbe_drvdata *drvdata = platform_get_drvdata(pdev);
+
+	arm_trbe_remove_cpuhp(drvdata);
+	arm_trbe_remove_coresight(drvdata);
+	arm_trbe_remove_irq(drvdata);
+	return 0;
+}
+
+static const struct of_device_id arm_trbe_of_match[] = {
+	{ .compatible = "arm,trace-buffer-extension"},
+	{},
+};
+MODULE_DEVICE_TABLE(of, arm_trbe_of_match);
+
+static struct platform_driver arm_trbe_driver = {
+	.driver	= {
+		.name = DRVNAME,
+		.of_match_table = of_match_ptr(arm_trbe_of_match),
+		.suppress_bind_attrs = true,
+	},
+	.probe	= arm_trbe_device_probe,
+	.remove	= arm_trbe_device_remove,
+};
+
+static int __init arm_trbe_init(void)
+{
+	int ret;
+
+	if (arm64_kernel_unmapped_at_el0()) {
+		pr_err("TRBE wouldn't work if kernel gets unmapped at EL0\n");
+		return -EOPNOTSUPP;
+	}
+
+	ret = platform_driver_register(&arm_trbe_driver);
+	if (!ret)
+		return 0;
+
+	pr_err("Error registering %s platform driver\n", DRVNAME);
+	return ret;
+}
+
+static void __exit arm_trbe_exit(void)
+{
+	platform_driver_unregister(&arm_trbe_driver);
+}
+module_init(arm_trbe_init);
+module_exit(arm_trbe_exit);
+
+MODULE_AUTHOR("Anshuman Khandual <anshuman.khandual@arm.com>");
+MODULE_DESCRIPTION("Arm Trace Buffer Extension (TRBE) driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hwtracing/coresight/coresight-trbe.h b/drivers/hwtracing/coresight/coresight-trbe.h
new file mode 100644
index 0000000..abf3e36
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-trbe.h
@@ -0,0 +1,152 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This contains all required hardware related helper functions for
+ * Trace Buffer Extension (TRBE) driver in the coresight framework.
+ *
+ * Copyright (C) 2020 ARM Ltd.
+ *
+ * Author: Anshuman Khandual <anshuman.khandual@arm.com>
+ */
+#include <linux/coresight.h>
+#include <linux/device.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/smp.h>
+
+#include "coresight-etm-perf.h"
+
+static inline bool is_trbe_available(void)
+{
+	u64 aa64dfr0 = read_sysreg_s(SYS_ID_AA64DFR0_EL1);
+	unsigned int trbe = cpuid_feature_extract_unsigned_field(aa64dfr0, ID_AA64DFR0_TRBE_SHIFT);
+
+	return trbe >= 0b0001;
+}
+
+static inline bool is_trbe_enabled(void)
+{
+	u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+	return trblimitr & TRBLIMITR_ENABLE;
+}
+
+#define TRBE_EC_OTHERS		0
+#define TRBE_EC_STAGE1_ABORT	36
+#define TRBE_EC_STAGE2_ABORT	37
+
+static inline int get_trbe_ec(u64 trbsr)
+{
+	return (trbsr >> TRBSR_EC_SHIFT) & TRBSR_EC_MASK;
+}
+
+#define TRBE_BSC_NOT_STOPPED 0
+#define TRBE_BSC_FILLED      1
+#define TRBE_BSC_TRIGGERED   2
+
+static inline int get_trbe_bsc(u64 trbsr)
+{
+	return (trbsr >> TRBSR_BSC_SHIFT) & TRBSR_BSC_MASK;
+}
+
+static inline void clr_trbe_irq(void)
+{
+	u64 trbsr = read_sysreg_s(SYS_TRBSR_EL1);
+
+	trbsr &= ~TRBSR_IRQ;
+	write_sysreg_s(trbsr, SYS_TRBSR_EL1);
+}
+
+static inline bool is_trbe_irq(u64 trbsr)
+{
+	return trbsr & TRBSR_IRQ;
+}
+
+static inline bool is_trbe_trg(u64 trbsr)
+{
+	return trbsr & TRBSR_TRG;
+}
+
+static inline bool is_trbe_wrap(u64 trbsr)
+{
+	return trbsr & TRBSR_WRAP;
+}
+
+static inline bool is_trbe_abort(u64 trbsr)
+{
+	return trbsr & TRBSR_ABORT;
+}
+
+static inline bool is_trbe_running(u64 trbsr)
+{
+	return !(trbsr & TRBSR_STOP);
+}
+
+#define TRBE_TRIG_MODE_STOP		0
+#define TRBE_TRIG_MODE_IRQ		1
+#define TRBE_TRIG_MODE_IGNORE		3
+
+#define TRBE_FILL_MODE_FILL		0
+#define TRBE_FILL_MODE_WRAP		1
+#define TRBE_FILL_MODE_CIRCULAR_BUFFER	3
+
+static inline void set_trbe_disabled(void)
+{
+	u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+	trblimitr &= ~TRBLIMITR_ENABLE;
+	write_sysreg_s(trblimitr, SYS_TRBLIMITR_EL1);
+}
+
+static inline bool get_trbe_flag_update(u64 trbidr)
+{
+	return trbidr & TRBIDR_FLAG;
+}
+
+static inline bool is_trbe_programmable(u64 trbidr)
+{
+	return !(trbidr & TRBIDR_PROG);
+}
+
+static inline int get_trbe_address_align(u64 trbidr)
+{
+	return (trbidr >> TRBIDR_ALIGN_SHIFT) & TRBIDR_ALIGN_MASK;
+}
+
+static inline unsigned long get_trbe_write_pointer(void)
+{
+	return read_sysreg_s(SYS_TRBPTR_EL1);
+}
+
+static inline void set_trbe_write_pointer(unsigned long addr)
+{
+	WARN_ON(is_trbe_enabled());
+	write_sysreg_s(addr, SYS_TRBPTR_EL1);
+}
+
+static inline unsigned long get_trbe_limit_pointer(void)
+{
+	u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+	unsigned long addr = trblimitr & (TRBLIMITR_LIMIT_MASK << TRBLIMITR_LIMIT_SHIFT);
+
+	WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+	return addr;
+}
+
+static inline unsigned long get_trbe_base_pointer(void)
+{
+	u64 trbbaser = read_sysreg_s(SYS_TRBBASER_EL1);
+	unsigned long addr = trbbaser & (TRBBASER_BASE_MASK << TRBBASER_BASE_SHIFT);
+
+	WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+	return addr;
+}
+
+static inline void set_trbe_base_pointer(unsigned long addr)
+{
+	WARN_ON(is_trbe_enabled());
+	WARN_ON(!IS_ALIGNED(addr, (1UL << TRBBASER_BASE_SHIFT)));
+	WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+	write_sysreg_s(addr, SYS_TRBBASER_EL1);
+}
diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c
index 3ed74aa..2088009 100644
--- a/drivers/i2c/i2c-core-of.c
+++ b/drivers/i2c/i2c-core-of.c
@@ -16,6 +16,7 @@
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/sysfs.h>
+#include <trace/hooks/i2c.h>
 
 #include "i2c-core.h"
 
@@ -32,6 +33,8 @@
 		return -EINVAL;
 	}
 
+	trace_android_vh_of_i2c_get_board_info(node, &(info->dev_name));
+
 	ret = of_property_read_u32(node, "reg", &addr);
 	if (ret) {
 		dev_err(dev, "of_i2c: invalid reg on %pOF\n", node);
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index f259313..d98212d 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -33,6 +33,7 @@
 #define UINPUT_NAME		"uinput"
 #define UINPUT_BUFFER_SIZE	16
 #define UINPUT_NUM_REQUESTS	16
+#define UINPUT_TIMESTAMP_ALLOWED_OFFSET_SECS 10
 
 enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED };
 
@@ -569,11 +570,40 @@
 	return retval;
 }
 
+/*
+ * Returns true if the given timestamp is valid (i.e., if all the following
+ * conditions are satisfied), false otherwise.
+ * 1) given timestamp is positive
+ * 2) it's within the allowed offset before the current time
+ * 3) it's not in the future
+ */
+static bool is_valid_timestamp(const ktime_t timestamp)
+{
+	ktime_t zero_time;
+	ktime_t current_time;
+	ktime_t min_time;
+	ktime_t offset;
+
+	zero_time = ktime_set(0, 0);
+	if (ktime_compare(zero_time, timestamp) >= 0)
+		return false;
+
+	current_time = ktime_get();
+	offset = ktime_set(UINPUT_TIMESTAMP_ALLOWED_OFFSET_SECS, 0);
+	min_time = ktime_sub(current_time, offset);
+
+	if (ktime_after(min_time, timestamp) || ktime_after(timestamp, current_time))
+		return false;
+
+	return true;
+}
+
 static ssize_t uinput_inject_events(struct uinput_device *udev,
 				    const char __user *buffer, size_t count)
 {
 	struct input_event ev;
 	size_t bytes = 0;
+	ktime_t timestamp;
 
 	if (count != 0 && count < input_event_size())
 		return -EINVAL;
@@ -588,6 +618,10 @@
 		if (input_event_from_user(buffer + bytes, &ev))
 			return -EFAULT;
 
+		timestamp = ktime_set(ev.input_event_sec, ev.input_event_usec * NSEC_PER_USEC);
+		if (is_valid_timestamp(timestamp))
+			input_set_timestamp(udev->dev, timestamp);
+
 		input_event(udev->dev, ev.type, ev.code, ev.value);
 		bytes += input_event_size();
 		cond_resched();
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 04878ca..1e53bf1 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -11,6 +11,36 @@
 config IOMMU_API
 	bool
 
+if IOMMU_IOVA
+
+config IOMMU_LIMIT_IOVA_ALIGNMENT
+	bool "Limit IOVA alignment"
+	help
+	  When the IOVA framework applies IOVA alignment it aligns all
+	  IOVAs to the smallest PAGE_SIZE order which is greater than or
+	  equal to the requested IOVA size. This works fine for sizes up
+	  to several MiB, but for larger sizes it results in address
+	  space wastage and fragmentation. For example drivers with a 4
+	  GiB IOVA space might run out of IOVA space when allocating
+	  buffers great than 64 MiB.
+
+	  Enable this option to impose a limit on the alignment of IOVAs.
+
+	  If unsure, say N.
+
+config IOMMU_IOVA_ALIGNMENT
+	int "Maximum PAGE_SIZE order of alignment for IOVAs"
+	depends on IOMMU_LIMIT_IOVA_ALIGNMENT
+	range 4 9
+	default 9
+	help
+	  With this parameter you can specify the maximum PAGE_SIZE order for
+	  IOVAs. Larger IOVAs will be aligned only to this specified order.
+	  The order is expressed a power of two multiplied by the PAGE_SIZE.
+
+	  If unsure, leave the default value "9".
+endif
+
 menuconfig IOMMU_SUPPORT
 	bool "IOMMU Hardware Support"
 	depends on MMU
@@ -248,6 +278,7 @@
 config ARM_SMMU
 	tristate "ARM Ltd. System MMU (SMMU) Support"
 	depends on ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64)
+	depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y
 	select IOMMU_API
 	select IOMMU_IO_PGTABLE_LPAE
 	select ARM_DMA_USE_IOMMU if ARM
@@ -375,6 +406,7 @@
 	# Note: iommu drivers cannot (yet?) be built as modules
 	bool "Qualcomm IOMMU Support"
 	depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64)
+	depends on QCOM_SCM=y
 	select IOMMU_API
 	select IOMMU_IO_PGTABLE_LPAE
 	select ARM_DMA_USE_IOMMU
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 982c42c..6868086 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -1751,16 +1751,9 @@
 	arm_smmu_tlb_inv_range(iova, size, granule, false, cookie);
 }
 
-static void arm_smmu_tlb_inv_leaf(unsigned long iova, size_t size,
-				  size_t granule, void *cookie)
-{
-	arm_smmu_tlb_inv_range(iova, size, granule, true, cookie);
-}
-
 static const struct iommu_flush_ops arm_smmu_flush_ops = {
 	.tlb_flush_all	= arm_smmu_tlb_inv_context,
 	.tlb_flush_walk = arm_smmu_tlb_inv_walk,
-	.tlb_flush_leaf = arm_smmu_tlb_inv_leaf,
 	.tlb_add_page	= arm_smmu_tlb_inv_page_nosync,
 };
 
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
index 88f17cc..d199b4b 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
@@ -223,6 +223,9 @@
 	    of_device_is_compatible(np, "qcom,sm8250-smmu-500"))
 		return qcom_smmu_impl_init(smmu);
 
+	if (of_device_is_compatible(smmu->dev->of_node, "qcom,adreno-smmu"))
+		return qcom_adreno_smmu_impl_init(smmu);
+
 	if (of_device_is_compatible(np, "marvell,ap806-smmu-500"))
 		smmu->impl = &mrvl_mmu500_impl;
 
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index a5164d5..7efa4ca 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -3,6 +3,8 @@
  * Copyright (c) 2019, The Linux Foundation. All rights reserved.
  */
 
+#include <linux/adreno-smmu-priv.h>
+#include <linux/bitfield.h>
 #include <linux/of_device.h>
 #include <linux/qcom_scm.h>
 
@@ -14,6 +16,171 @@
 	u8 bypass_cbndx;
 };
 
+static int qcom_sdm845_smmu500_cfg_probe(struct arm_smmu_device *smmu)
+{
+	u32 s2cr;
+	u32 smr;
+	int i;
+
+	for (i = 0; i < smmu->num_mapping_groups; i++) {
+		smr = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_SMR(i));
+		s2cr = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_S2CR(i));
+
+		smmu->smrs[i].mask = FIELD_GET(ARM_SMMU_SMR_MASK, smr);
+		smmu->smrs[i].id = FIELD_GET(ARM_SMMU_SMR_ID, smr);
+		if (smmu->features & ARM_SMMU_FEAT_EXIDS)
+			smmu->smrs[i].valid = FIELD_GET(
+						ARM_SMMU_S2CR_EXIDVALID,
+						s2cr);
+		else
+			smmu->smrs[i].valid = FIELD_GET(
+						ARM_SMMU_SMR_VALID,
+						smr);
+
+		smmu->s2crs[i].group = NULL;
+		smmu->s2crs[i].count = 0;
+		smmu->s2crs[i].type = FIELD_GET(ARM_SMMU_S2CR_TYPE, s2cr);
+		smmu->s2crs[i].privcfg = FIELD_GET(ARM_SMMU_S2CR_PRIVCFG, s2cr);
+		smmu->s2crs[i].cbndx = FIELD_GET(ARM_SMMU_S2CR_CBNDX, s2cr);
+
+		if (!smmu->smrs[i].valid)
+			continue;
+
+		smmu->s2crs[i].pinned = true;
+		bitmap_set(smmu->context_map, smmu->s2crs[i].cbndx, 1);
+	}
+
+	return 0;
+}
+
+#define QCOM_ADRENO_SMMU_GPU_SID 0
+
+static bool qcom_adreno_smmu_is_gpu_device(struct device *dev)
+{
+	struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
+	int i;
+
+	/*
+	 * The GPU will always use SID 0 so that is a handy way to uniquely
+	 * identify it and configure it for per-instance pagetables
+	 */
+	for (i = 0; i < fwspec->num_ids; i++) {
+		u16 sid = FIELD_GET(ARM_SMMU_SMR_ID, fwspec->ids[i]);
+
+		if (sid == QCOM_ADRENO_SMMU_GPU_SID)
+			return true;
+	}
+
+	return false;
+}
+
+static const struct io_pgtable_cfg *qcom_adreno_smmu_get_ttbr1_cfg(
+		const void *cookie)
+{
+	struct arm_smmu_domain *smmu_domain = (void *)cookie;
+	struct io_pgtable *pgtable =
+		io_pgtable_ops_to_pgtable(smmu_domain->pgtbl_ops);
+	return &pgtable->cfg;
+}
+
+/*
+ * Local implementation to configure TTBR0 with the specified pagetable config.
+ * The GPU driver will call this to enable TTBR0 when per-instance pagetables
+ * are active
+ */
+
+static int qcom_adreno_smmu_set_ttbr0_cfg(const void *cookie,
+		const struct io_pgtable_cfg *pgtbl_cfg)
+{
+	struct arm_smmu_domain *smmu_domain = (void *)cookie;
+	struct io_pgtable *pgtable = io_pgtable_ops_to_pgtable(smmu_domain->pgtbl_ops);
+	struct arm_smmu_cfg *cfg = &smmu_domain->cfg;
+	struct arm_smmu_cb *cb = &smmu_domain->smmu->cbs[cfg->cbndx];
+
+	/* The domain must have split pagetables already enabled */
+	if (cb->tcr[0] & ARM_SMMU_TCR_EPD1)
+		return -EINVAL;
+
+	/* If the pagetable config is NULL, disable TTBR0 */
+	if (!pgtbl_cfg) {
+		/* Do nothing if it is already disabled */
+		if ((cb->tcr[0] & ARM_SMMU_TCR_EPD0))
+			return -EINVAL;
+
+		/* Set TCR to the original configuration */
+		cb->tcr[0] = arm_smmu_lpae_tcr(&pgtable->cfg);
+		cb->ttbr[0] = FIELD_PREP(ARM_SMMU_TTBRn_ASID, cb->cfg->asid);
+	} else {
+		u32 tcr = cb->tcr[0];
+
+		/* Don't call this again if TTBR0 is already enabled */
+		if (!(cb->tcr[0] & ARM_SMMU_TCR_EPD0))
+			return -EINVAL;
+
+		tcr |= arm_smmu_lpae_tcr(pgtbl_cfg);
+		tcr &= ~(ARM_SMMU_TCR_EPD0 | ARM_SMMU_TCR_EPD1);
+
+		cb->tcr[0] = tcr;
+		cb->ttbr[0] = pgtbl_cfg->arm_lpae_s1_cfg.ttbr;
+		cb->ttbr[0] |= FIELD_PREP(ARM_SMMU_TTBRn_ASID, cb->cfg->asid);
+	}
+
+	arm_smmu_write_context_bank(smmu_domain->smmu, cb->cfg->cbndx);
+
+	return 0;
+}
+
+static int qcom_adreno_smmu_alloc_context_bank(struct arm_smmu_domain *smmu_domain,
+					       struct arm_smmu_device *smmu,
+					       struct device *dev, int start)
+{
+	int count;
+
+	/*
+	 * Assign context bank 0 to the GPU device so the GPU hardware can
+	 * switch pagetables
+	 */
+	if (qcom_adreno_smmu_is_gpu_device(dev)) {
+		start = 0;
+		count = 1;
+	} else {
+		start = 1;
+		count = smmu->num_context_banks;
+	}
+
+	return __arm_smmu_alloc_bitmap(smmu->context_map, start, count);
+}
+
+static int qcom_adreno_smmu_init_context(struct arm_smmu_domain *smmu_domain,
+		struct io_pgtable_cfg *pgtbl_cfg, struct device *dev)
+{
+	struct adreno_smmu_priv *priv;
+
+	/* Only enable split pagetables for the GPU device (SID 0) */
+	if (!qcom_adreno_smmu_is_gpu_device(dev))
+		return 0;
+
+	/*
+	 * All targets that use the qcom,adreno-smmu compatible string *should*
+	 * be AARCH64 stage 1 but double check because the arm-smmu code assumes
+	 * that is the case when the TTBR1 quirk is enabled
+	 */
+	if ((smmu_domain->stage == ARM_SMMU_DOMAIN_S1) &&
+	    (smmu_domain->cfg.fmt == ARM_SMMU_CTX_FMT_AARCH64))
+		pgtbl_cfg->quirks |= IO_PGTABLE_QUIRK_ARM_TTBR1;
+
+	/*
+	 * Initialize private interface with GPU:
+	 */
+
+	priv = dev_get_drvdata(dev);
+	priv->cookie = smmu_domain;
+	priv->get_ttbr1_cfg = qcom_adreno_smmu_get_ttbr1_cfg;
+	priv->set_ttbr0_cfg = qcom_adreno_smmu_set_ttbr0_cfg;
+
+	return 0;
+}
+
 static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu)
 {
 	return container_of(smmu, struct qcom_smmu, smmu);
@@ -170,11 +337,20 @@
 static const struct arm_smmu_impl qcom_smmu_impl = {
 	.cfg_probe = qcom_smmu_cfg_probe,
 	.def_domain_type = qcom_smmu_def_domain_type,
+	.cfg_probe = qcom_sdm845_smmu500_cfg_probe,
 	.reset = qcom_smmu500_reset,
 	.write_s2cr = qcom_smmu_write_s2cr,
 };
 
-struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
+static const struct arm_smmu_impl qcom_adreno_smmu_impl = {
+	.init_context = qcom_adreno_smmu_init_context,
+	.def_domain_type = qcom_smmu_def_domain_type,
+	.reset = qcom_smmu500_reset,
+	.alloc_context_bank = qcom_adreno_smmu_alloc_context_bank,
+};
+
+static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu,
+		const struct arm_smmu_impl *impl)
 {
 	struct qcom_smmu *qsmmu;
 
@@ -188,8 +364,18 @@
 
 	qsmmu->smmu = *smmu;
 
-	qsmmu->smmu.impl = &qcom_smmu_impl;
+	qsmmu->smmu.impl = impl;
 	devm_kfree(smmu->dev, smmu);
 
 	return &qsmmu->smmu;
 }
+
+struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
+{
+	return qcom_smmu_create(smmu, &qcom_smmu_impl);
+}
+
+struct arm_smmu_device *qcom_adreno_smmu_impl_init(struct arm_smmu_device *smmu)
+{
+	return qcom_smmu_create(smmu, &qcom_adreno_smmu_impl);
+}
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 6b41fe2..fa6caa2 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -333,14 +333,6 @@
 	arm_smmu_tlb_sync_context(cookie);
 }
 
-static void arm_smmu_tlb_inv_leaf_s1(unsigned long iova, size_t size,
-				     size_t granule, void *cookie)
-{
-	arm_smmu_tlb_inv_range_s1(iova, size, granule, cookie,
-				  ARM_SMMU_CB_S1_TLBIVAL);
-	arm_smmu_tlb_sync_context(cookie);
-}
-
 static void arm_smmu_tlb_add_page_s1(struct iommu_iotlb_gather *gather,
 				     unsigned long iova, size_t granule,
 				     void *cookie)
@@ -357,14 +349,6 @@
 	arm_smmu_tlb_sync_context(cookie);
 }
 
-static void arm_smmu_tlb_inv_leaf_s2(unsigned long iova, size_t size,
-				     size_t granule, void *cookie)
-{
-	arm_smmu_tlb_inv_range_s2(iova, size, granule, cookie,
-				  ARM_SMMU_CB_S2_TLBIIPAS2L);
-	arm_smmu_tlb_sync_context(cookie);
-}
-
 static void arm_smmu_tlb_add_page_s2(struct iommu_iotlb_gather *gather,
 				     unsigned long iova, size_t granule,
 				     void *cookie)
@@ -373,8 +357,8 @@
 				  ARM_SMMU_CB_S2_TLBIIPAS2L);
 }
 
-static void arm_smmu_tlb_inv_any_s2_v1(unsigned long iova, size_t size,
-				       size_t granule, void *cookie)
+static void arm_smmu_tlb_inv_walk_s2_v1(unsigned long iova, size_t size,
+					size_t granule, void *cookie)
 {
 	arm_smmu_tlb_inv_context_s2(cookie);
 }
@@ -401,21 +385,18 @@
 static const struct iommu_flush_ops arm_smmu_s1_tlb_ops = {
 	.tlb_flush_all	= arm_smmu_tlb_inv_context_s1,
 	.tlb_flush_walk	= arm_smmu_tlb_inv_walk_s1,
-	.tlb_flush_leaf	= arm_smmu_tlb_inv_leaf_s1,
 	.tlb_add_page	= arm_smmu_tlb_add_page_s1,
 };
 
 static const struct iommu_flush_ops arm_smmu_s2_tlb_ops_v2 = {
 	.tlb_flush_all	= arm_smmu_tlb_inv_context_s2,
 	.tlb_flush_walk	= arm_smmu_tlb_inv_walk_s2,
-	.tlb_flush_leaf	= arm_smmu_tlb_inv_leaf_s2,
 	.tlb_add_page	= arm_smmu_tlb_add_page_s2,
 };
 
 static const struct iommu_flush_ops arm_smmu_s2_tlb_ops_v1 = {
 	.tlb_flush_all	= arm_smmu_tlb_inv_context_s2,
-	.tlb_flush_walk	= arm_smmu_tlb_inv_any_s2_v1,
-	.tlb_flush_leaf	= arm_smmu_tlb_inv_any_s2_v1,
+	.tlb_flush_walk	= arm_smmu_tlb_inv_walk_s2_v1,
 	.tlb_add_page	= arm_smmu_tlb_add_page_s2_v1,
 };
 
@@ -1037,12 +1018,19 @@
 
 static bool arm_smmu_free_sme(struct arm_smmu_device *smmu, int idx)
 {
+	bool pinned = smmu->s2crs[idx].pinned;
+	u8 cbndx = smmu->s2crs[idx].cbndx;
+
 	if (--smmu->s2crs[idx].count)
 		return false;
 
 	smmu->s2crs[idx] = s2cr_init_val;
-	if (smmu->smrs)
+	if (pinned) {
+		smmu->s2crs[idx].pinned = true;
+		smmu->s2crs[idx].cbndx = cbndx;
+	} else if (smmu->smrs) {
 		smmu->smrs[idx].valid = false;
+	}
 
 	return true;
 }
@@ -1130,6 +1118,10 @@
 		if (type == s2cr[idx].type && cbndx == s2cr[idx].cbndx)
 			continue;
 
+		/* Don't bypasss pinned streams; leave them as they are */
+		if (type == S2CR_TYPE_BYPASS && s2cr[idx].pinned)
+			continue;
+
 		s2cr[idx].type = type;
 		s2cr[idx].privcfg = S2CR_PRIVCFG_DEFAULT;
 		s2cr[idx].cbndx = cbndx;
@@ -1207,8 +1199,9 @@
 	return ret;
 }
 
-static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
-			phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+static int arm_smmu_map_pages(struct iommu_domain *domain, unsigned long iova,
+			      phys_addr_t paddr, size_t pgsize, size_t pgcount,
+			      int prot, gfp_t gfp, size_t *mapped)
 {
 	struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops;
 	struct arm_smmu_device *smmu = to_smmu_domain(domain)->smmu;
@@ -1218,14 +1211,15 @@
 		return -ENODEV;
 
 	arm_smmu_rpm_get(smmu);
-	ret = ops->map(ops, iova, paddr, size, prot, gfp);
+	ret = ops->map_pages(ops, iova, paddr, pgsize, pgcount, prot, gfp, mapped);
 	arm_smmu_rpm_put(smmu);
 
 	return ret;
 }
 
-static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
-			     size_t size, struct iommu_iotlb_gather *gather)
+static size_t arm_smmu_unmap_pages(struct iommu_domain *domain, unsigned long iova,
+				   size_t pgsize, size_t pgcount,
+				   struct iommu_iotlb_gather *iotlb_gather)
 {
 	struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops;
 	struct arm_smmu_device *smmu = to_smmu_domain(domain)->smmu;
@@ -1235,7 +1229,7 @@
 		return 0;
 
 	arm_smmu_rpm_get(smmu);
-	ret = ops->unmap(ops, iova, size, gather);
+	ret = ops->unmap_pages(ops, iova, pgsize, pgcount, iotlb_gather);
 	arm_smmu_rpm_put(smmu);
 
 	return ret;
@@ -1620,8 +1614,8 @@
 	.domain_alloc		= arm_smmu_domain_alloc,
 	.domain_free		= arm_smmu_domain_free,
 	.attach_dev		= arm_smmu_attach_dev,
-	.map			= arm_smmu_map,
-	.unmap			= arm_smmu_unmap,
+	.map_pages		= arm_smmu_map_pages,
+	.unmap_pages		= arm_smmu_unmap_pages,
 	.flush_iotlb_all	= arm_smmu_flush_iotlb_all,
 	.iotlb_sync		= arm_smmu_iotlb_sync,
 	.iova_to_phys		= arm_smmu_iova_to_phys,
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.h b/drivers/iommu/arm/arm-smmu/arm-smmu.h
index b71647eaa..2797b2f 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.h
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.h
@@ -262,13 +262,13 @@
 	enum arm_smmu_s2cr_type		type;
 	enum arm_smmu_s2cr_privcfg	privcfg;
 	u8				cbndx;
+	bool				pinned;
 };
 
 struct arm_smmu_smr {
 	u16				mask;
 	u16				id;
 	bool				valid;
-	bool				pinned;
 };
 
 struct arm_smmu_device {
@@ -521,6 +521,7 @@
 struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu);
 struct arm_smmu_device *nvidia_smmu_impl_init(struct arm_smmu_device *smmu);
 struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu);
+struct arm_smmu_device *qcom_adreno_smmu_impl_init(struct arm_smmu_device *smmu);
 
 void arm_smmu_write_context_bank(struct arm_smmu_device *smmu, int idx);
 int arm_mmu500_reset(struct arm_smmu_device *smmu);
diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
index 37c8f75..373cf0d 100644
--- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c
+++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
@@ -185,13 +185,6 @@
 	qcom_iommu_tlb_sync(cookie);
 }
 
-static void qcom_iommu_tlb_flush_leaf(unsigned long iova, size_t size,
-				      size_t granule, void *cookie)
-{
-	qcom_iommu_tlb_inv_range_nosync(iova, size, granule, true, cookie);
-	qcom_iommu_tlb_sync(cookie);
-}
-
 static void qcom_iommu_tlb_add_page(struct iommu_iotlb_gather *gather,
 				    unsigned long iova, size_t granule,
 				    void *cookie)
@@ -202,7 +195,6 @@
 static const struct iommu_flush_ops qcom_flush_ops = {
 	.tlb_flush_all	= qcom_iommu_tlb_inv_context,
 	.tlb_flush_walk = qcom_iommu_tlb_flush_walk,
-	.tlb_flush_leaf = qcom_iommu_tlb_flush_leaf,
 	.tlb_add_page	= qcom_iommu_tlb_add_page,
 };
 
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index d1539b7..c50aa56 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -23,6 +23,7 @@
 #include <linux/scatterlist.h>
 #include <linux/vmalloc.h>
 #include <linux/crash_dump.h>
+#include <trace/hooks/iommu.h>
 
 struct iommu_dma_msi_page {
 	struct list_head	list;
@@ -372,6 +373,52 @@
 	return 0;
 }
 
+/*
+ * Should be called prior to using dma-apis
+ */
+int iommu_dma_reserve_iova(struct device *dev, dma_addr_t base,
+			   u64 size)
+{
+	struct iommu_domain *domain;
+	struct iommu_dma_cookie *cookie;
+	struct iova_domain *iovad;
+	unsigned long pfn_lo, pfn_hi;
+
+	domain = iommu_get_domain_for_dev(dev);
+	if (!domain || !domain->iova_cookie)
+		return -EINVAL;
+
+	cookie = domain->iova_cookie;
+	iovad = &cookie->iovad;
+
+	/* iova will be freed automatically by put_iova_domain() */
+	pfn_lo = iova_pfn(iovad, base);
+	pfn_hi = iova_pfn(iovad, base + size - 1);
+	if (!reserve_iova(iovad, pfn_lo, pfn_hi))
+		return -EINVAL;
+
+	return 0;
+}
+EXPORT_SYMBOL(iommu_dma_reserve_iova);
+
+/*
+ * Should be called prior to using dma-apis.
+ */
+int iommu_dma_enable_best_fit_algo(struct device *dev)
+{
+	struct iommu_domain *domain;
+	struct iova_domain *iovad;
+
+	domain = iommu_get_domain_for_dev(dev);
+	if (!domain || !domain->iova_cookie)
+		return -EINVAL;
+
+	iovad = &((struct iommu_dma_cookie *)domain->iova_cookie)->iovad;
+	iovad->best_fit = true;
+	return 0;
+}
+EXPORT_SYMBOL(iommu_dma_enable_best_fit_algo);
+
 /**
  * dma_info_to_prot - Translate DMA API directions and attributes to IOMMU API
  *                    page flags.
@@ -388,6 +435,10 @@
 
 	if (attrs & DMA_ATTR_PRIVILEGED)
 		prot |= IOMMU_PRIV;
+	if (attrs & DMA_ATTR_SYS_CACHE_ONLY)
+		prot |= IOMMU_SYS_CACHE;
+	if (attrs & DMA_ATTR_SYS_CACHE_ONLY_NWA)
+		prot |= IOMMU_SYS_CACHE_NWA;
 
 	switch (dir) {
 	case DMA_BIDIRECTIONAL:
@@ -438,6 +489,8 @@
 		iova = alloc_iova_fast(iovad, iova_len, dma_limit >> shift,
 				       true);
 
+	trace_android_vh_iommu_alloc_iova(dev, (dma_addr_t)iova << shift, size);
+
 	return (dma_addr_t)iova << shift;
 }
 
@@ -455,6 +508,8 @@
 	else
 		free_iova_fast(iovad, iova_pfn(iovad, iova),
 				size >> iova_shift(iovad));
+
+	trace_android_vh_iommu_free_iova(iova, size);
 }
 
 static void __iommu_dma_unmap(struct device *dev, dma_addr_t dma_addr,
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 6be92e0..f66c103 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3851,20 +3851,15 @@
 	.get_required_mask = intel_get_required_mask,
 };
 
-static void
-bounce_sync_single(struct device *dev, dma_addr_t addr, size_t size,
-		   enum dma_data_direction dir, enum dma_sync_target target)
+static phys_addr_t bounce_sync_single(struct device *dev, dma_addr_t addr)
 {
 	struct dmar_domain *domain;
-	phys_addr_t tlb_addr;
 
 	domain = find_domain(dev);
 	if (WARN_ON(!domain))
-		return;
+		return 0;
 
-	tlb_addr = intel_iommu_iova_to_phys(&domain->domain, addr);
-	if (is_swiotlb_buffer(tlb_addr))
-		swiotlb_tbl_sync_single(dev, tlb_addr, size, dir, target);
+	return intel_iommu_iova_to_phys(&domain->domain, addr);
 }
 
 static dma_addr_t
@@ -3946,9 +3941,8 @@
 	return (phys_addr_t)iova_pfn << PAGE_SHIFT;
 
 mapping_error:
-	if (is_swiotlb_buffer(tlb_addr))
-		swiotlb_tbl_unmap_single(dev, tlb_addr, size,
-					 aligned_size, dir, attrs);
+	if (is_swiotlb_buffer(dev, tlb_addr))
+		swiotlb_tbl_unmap_single(dev, tlb_addr, size, dir, attrs);
 swiotlb_error:
 	free_iova_fast(&domain->iovad, iova_pfn, dma_to_mm_pfn(nrpages));
 	dev_err(dev, "Device bounce map: %zx@%llx dir %d --- failed\n",
@@ -3961,7 +3955,6 @@
 bounce_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
 		    enum dma_data_direction dir, unsigned long attrs)
 {
-	size_t aligned_size = ALIGN(size, VTD_PAGE_SIZE);
 	struct dmar_domain *domain;
 	phys_addr_t tlb_addr;
 
@@ -3974,9 +3967,8 @@
 		return;
 
 	intel_unmap(dev, dev_addr, size);
-	if (is_swiotlb_buffer(tlb_addr))
-		swiotlb_tbl_unmap_single(dev, tlb_addr, size,
-					 aligned_size, dir, attrs);
+	if (is_swiotlb_buffer(dev, tlb_addr))
+		swiotlb_tbl_unmap_single(dev, tlb_addr, size, dir, attrs);
 
 	trace_bounce_unmap_single(dev, dev_addr, size);
 }
@@ -4053,14 +4045,20 @@
 bounce_sync_single_for_cpu(struct device *dev, dma_addr_t addr,
 			   size_t size, enum dma_data_direction dir)
 {
-	bounce_sync_single(dev, addr, size, dir, SYNC_FOR_CPU);
+	phys_addr_t tlb_addr = bounce_sync_single(dev, addr);
+
+	if (is_swiotlb_buffer(dev, tlb_addr))
+		swiotlb_sync_single_for_cpu(dev, tlb_addr, size, dir);
 }
 
 static void
 bounce_sync_single_for_device(struct device *dev, dma_addr_t addr,
 			      size_t size, enum dma_data_direction dir)
 {
-	bounce_sync_single(dev, addr, size, dir, SYNC_FOR_DEVICE);
+	phys_addr_t tlb_addr = bounce_sync_single(dev, addr);
+
+	if (is_swiotlb_buffer(dev, tlb_addr))
+		swiotlb_sync_single_for_device(dev, tlb_addr, size, dir);
 }
 
 static void
@@ -4071,8 +4069,8 @@
 	int i;
 
 	for_each_sg(sglist, sg, nelems, i)
-		bounce_sync_single(dev, sg_dma_address(sg),
-				   sg_dma_len(sg), dir, SYNC_FOR_CPU);
+		bounce_sync_single_for_cpu(dev, sg_dma_address(sg),
+					   sg_dma_len(sg), dir);
 }
 
 static void
@@ -4083,8 +4081,8 @@
 	int i;
 
 	for_each_sg(sglist, sg, nelems, i)
-		bounce_sync_single(dev, sg_dma_address(sg),
-				   sg_dma_len(sg), dir, SYNC_FOR_DEVICE);
+		bounce_sync_single_for_device(dev, sg_dma_address(sg),
+					      sg_dma_len(sg), dir);
 }
 
 static const struct dma_map_ops bounce_dma_ops = {
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 3bcd3af..b076958 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -44,26 +44,25 @@
 
 /*
  * We have 32 bits total; 12 bits resolved at level 1, 8 bits at level 2,
- * and 12 bits in a page. With some carefully-chosen coefficients we can
- * hide the ugly inconsistencies behind these macros and at least let the
- * rest of the code pretend to be somewhat sane.
+ * and 12 bits in a page.
+ * MediaTek extend 2 bits to reach 34bits, 14 bits at lvl1 and 8 bits at lvl2.
  */
 #define ARM_V7S_ADDR_BITS		32
-#define _ARM_V7S_LVL_BITS(lvl)		(16 - (lvl) * 4)
-#define ARM_V7S_LVL_SHIFT(lvl)		(ARM_V7S_ADDR_BITS - (4 + 8 * (lvl)))
+#define _ARM_V7S_LVL_BITS(lvl, cfg)	((lvl) == 1 ? ((cfg)->ias - 20) : 8)
+#define ARM_V7S_LVL_SHIFT(lvl)		((lvl) == 1 ? 20 : 12)
 #define ARM_V7S_TABLE_SHIFT		10
 
-#define ARM_V7S_PTES_PER_LVL(lvl)	(1 << _ARM_V7S_LVL_BITS(lvl))
-#define ARM_V7S_TABLE_SIZE(lvl)						\
-	(ARM_V7S_PTES_PER_LVL(lvl) * sizeof(arm_v7s_iopte))
+#define ARM_V7S_PTES_PER_LVL(lvl, cfg)	(1 << _ARM_V7S_LVL_BITS(lvl, cfg))
+#define ARM_V7S_TABLE_SIZE(lvl, cfg)						\
+	(ARM_V7S_PTES_PER_LVL(lvl, cfg) * sizeof(arm_v7s_iopte))
 
 #define ARM_V7S_BLOCK_SIZE(lvl)		(1UL << ARM_V7S_LVL_SHIFT(lvl))
 #define ARM_V7S_LVL_MASK(lvl)		((u32)(~0U << ARM_V7S_LVL_SHIFT(lvl)))
 #define ARM_V7S_TABLE_MASK		((u32)(~0U << ARM_V7S_TABLE_SHIFT))
-#define _ARM_V7S_IDX_MASK(lvl)		(ARM_V7S_PTES_PER_LVL(lvl) - 1)
-#define ARM_V7S_LVL_IDX(addr, lvl)	({				\
+#define _ARM_V7S_IDX_MASK(lvl, cfg)	(ARM_V7S_PTES_PER_LVL(lvl, cfg) - 1)
+#define ARM_V7S_LVL_IDX(addr, lvl, cfg)	({				\
 	int _l = lvl;							\
-	((u32)(addr) >> ARM_V7S_LVL_SHIFT(_l)) & _ARM_V7S_IDX_MASK(_l); \
+	((addr) >> ARM_V7S_LVL_SHIFT(_l)) & _ARM_V7S_IDX_MASK(_l, cfg); \
 })
 
 /*
@@ -112,9 +111,10 @@
 #define ARM_V7S_TEX_MASK		0x7
 #define ARM_V7S_ATTR_TEX(val)		(((val) & ARM_V7S_TEX_MASK) << ARM_V7S_TEX_SHIFT)
 
-/* MediaTek extend the two bits for PA 32bit/33bit */
+/* MediaTek extend the bits below for PA 32bit/33bit/34bit */
 #define ARM_V7S_ATTR_MTK_PA_BIT32	BIT(9)
 #define ARM_V7S_ATTR_MTK_PA_BIT33	BIT(4)
+#define ARM_V7S_ATTR_MTK_PA_BIT34	BIT(5)
 
 /* *well, except for TEX on level 2 large pages, of course :( */
 #define ARM_V7S_CONT_PAGE_TEX_SHIFT	6
@@ -194,6 +194,8 @@
 		pte |= ARM_V7S_ATTR_MTK_PA_BIT32;
 	if (paddr & BIT_ULL(33))
 		pte |= ARM_V7S_ATTR_MTK_PA_BIT33;
+	if (paddr & BIT_ULL(34))
+		pte |= ARM_V7S_ATTR_MTK_PA_BIT34;
 	return pte;
 }
 
@@ -218,6 +220,8 @@
 		paddr |= BIT_ULL(32);
 	if (pte & ARM_V7S_ATTR_MTK_PA_BIT33)
 		paddr |= BIT_ULL(33);
+	if (pte & ARM_V7S_ATTR_MTK_PA_BIT34)
+		paddr |= BIT_ULL(34);
 	return paddr;
 }
 
@@ -234,7 +238,7 @@
 	struct device *dev = cfg->iommu_dev;
 	phys_addr_t phys;
 	dma_addr_t dma;
-	size_t size = ARM_V7S_TABLE_SIZE(lvl);
+	size_t size = ARM_V7S_TABLE_SIZE(lvl, cfg);
 	void *table = NULL;
 
 	if (lvl == 1)
@@ -284,7 +288,7 @@
 {
 	struct io_pgtable_cfg *cfg = &data->iop.cfg;
 	struct device *dev = cfg->iommu_dev;
-	size_t size = ARM_V7S_TABLE_SIZE(lvl);
+	size_t size = ARM_V7S_TABLE_SIZE(lvl, cfg);
 
 	if (!cfg->coherent_walk)
 		dma_unmap_single(dev, __arm_v7s_dma_addr(table), size,
@@ -428,7 +432,7 @@
 			arm_v7s_iopte *tblp;
 			size_t sz = ARM_V7S_BLOCK_SIZE(lvl);
 
-			tblp = ptep - ARM_V7S_LVL_IDX(iova, lvl);
+			tblp = ptep - ARM_V7S_LVL_IDX(iova, lvl, cfg);
 			if (WARN_ON(__arm_v7s_unmap(data, NULL, iova + i * sz,
 						    sz, lvl, tblp) != sz))
 				return -EINVAL;
@@ -481,7 +485,7 @@
 	int num_entries = size >> ARM_V7S_LVL_SHIFT(lvl);
 
 	/* Find our entry at the current level */
-	ptep += ARM_V7S_LVL_IDX(iova, lvl);
+	ptep += ARM_V7S_LVL_IDX(iova, lvl, cfg);
 
 	/* If we can install a leaf entry at this level, then do so */
 	if (num_entries)
@@ -519,12 +523,12 @@
 	return __arm_v7s_map(data, iova, paddr, size, prot, lvl + 1, cptep, gfp);
 }
 
-static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
-			phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+static int arm_v7s_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
+			     phys_addr_t paddr, size_t pgsize, size_t pgcount,
+			     int prot, gfp_t gfp, size_t *mapped)
 {
 	struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
-	struct io_pgtable *iop = &data->iop;
-	int ret;
+	int ret = -EINVAL;
 
 	/* If no access, then nothing to do */
 	if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
@@ -534,27 +538,38 @@
 		    paddr >= (1ULL << data->iop.cfg.oas)))
 		return -ERANGE;
 
-	ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd, gfp);
+	while (pgcount--) {
+		ret = __arm_v7s_map(data, iova, paddr, pgsize, prot, 1, data->pgd,
+				    gfp);
+		if (ret)
+			break;
+
+		iova += pgsize;
+		paddr += pgsize;
+		if (mapped)
+			*mapped += pgsize;
+	}
 	/*
 	 * Synchronise all PTE updates for the new mapping before there's
 	 * a chance for anything to kick off a table walk for the new iova.
 	 */
-	if (iop->cfg.quirks & IO_PGTABLE_QUIRK_TLBI_ON_MAP) {
-		io_pgtable_tlb_flush_walk(iop, iova, size,
-					  ARM_V7S_BLOCK_SIZE(2));
-	} else {
-		wmb();
-	}
+	wmb();
 
 	return ret;
 }
 
+static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
+			phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+{
+	return arm_v7s_map_pages(ops, iova, paddr, size, 1, prot, gfp, NULL);
+}
+
 static void arm_v7s_free_pgtable(struct io_pgtable *iop)
 {
 	struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop);
 	int i;
 
-	for (i = 0; i < ARM_V7S_PTES_PER_LVL(1); i++) {
+	for (i = 0; i < ARM_V7S_PTES_PER_LVL(1, &data->iop.cfg); i++) {
 		arm_v7s_iopte pte = data->pgd[i];
 
 		if (ARM_V7S_PTE_IS_TABLE(pte, 1))
@@ -588,7 +603,7 @@
 	__arm_v7s_pte_sync(ptep, ARM_V7S_CONT_PAGES, &iop->cfg);
 
 	size *= ARM_V7S_CONT_PAGES;
-	io_pgtable_tlb_flush_leaf(iop, iova, size, size);
+	io_pgtable_tlb_flush_walk(iop, iova, size, size);
 	return pte;
 }
 
@@ -606,9 +621,9 @@
 	if (!tablep)
 		return 0; /* Bytes unmapped */
 
-	num_ptes = ARM_V7S_PTES_PER_LVL(2);
+	num_ptes = ARM_V7S_PTES_PER_LVL(2, cfg);
 	num_entries = size >> ARM_V7S_LVL_SHIFT(2);
-	unmap_idx = ARM_V7S_LVL_IDX(iova, 2);
+	unmap_idx = ARM_V7S_LVL_IDX(iova, 2, cfg);
 
 	pte = arm_v7s_prot_to_pte(arm_v7s_pte_to_prot(blk_pte, 1), 2, cfg);
 	if (num_entries > 1)
@@ -650,7 +665,7 @@
 	if (WARN_ON(lvl > 2))
 		return 0;
 
-	idx = ARM_V7S_LVL_IDX(iova, lvl);
+	idx = ARM_V7S_LVL_IDX(iova, lvl, &iop->cfg);
 	ptep += idx;
 	do {
 		pte[i] = READ_ONCE(ptep[i]);
@@ -716,15 +731,32 @@
 	return __arm_v7s_unmap(data, gather, iova, size, lvl + 1, ptep);
 }
 
+static size_t arm_v7s_unmap_pages(struct io_pgtable_ops *ops, unsigned long iova,
+				  size_t pgsize, size_t pgcount,
+				  struct iommu_iotlb_gather *gather)
+{
+	struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
+	size_t unmapped = 0, ret;
+
+	if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias)))
+		return 0;
+
+	while (pgcount--) {
+		ret = __arm_v7s_unmap(data, gather, iova, pgsize, 1, data->pgd);
+		if (!ret)
+			break;
+
+		unmapped += pgsize;
+		iova += pgsize;
+	}
+
+	return unmapped;
+}
+
 static size_t arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova,
 			    size_t size, struct iommu_iotlb_gather *gather)
 {
-	struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
-
-	if (WARN_ON(upper_32_bits(iova)))
-		return 0;
-
-	return __arm_v7s_unmap(data, gather, iova, size, 1, data->pgd);
+	return arm_v7s_unmap_pages(ops, iova, size, 1, gather);
 }
 
 static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops,
@@ -736,7 +768,7 @@
 	u32 mask;
 
 	do {
-		ptep += ARM_V7S_LVL_IDX(iova, ++lvl);
+		ptep += ARM_V7S_LVL_IDX(iova, ++lvl, &data->iop.cfg);
 		pte = READ_ONCE(*ptep);
 		ptep = iopte_deref(pte, lvl, data);
 	} while (ARM_V7S_PTE_IS_TABLE(pte, lvl));
@@ -755,15 +787,14 @@
 {
 	struct arm_v7s_io_pgtable *data;
 
-	if (cfg->ias > ARM_V7S_ADDR_BITS)
+	if (cfg->ias > (arm_v7s_is_mtk_enabled(cfg) ? 34 : ARM_V7S_ADDR_BITS))
 		return NULL;
 
-	if (cfg->oas > (arm_v7s_is_mtk_enabled(cfg) ? 34 : ARM_V7S_ADDR_BITS))
+	if (cfg->oas > (arm_v7s_is_mtk_enabled(cfg) ? 35 : ARM_V7S_ADDR_BITS))
 		return NULL;
 
 	if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS |
 			    IO_PGTABLE_QUIRK_NO_PERMS |
-			    IO_PGTABLE_QUIRK_TLBI_ON_MAP |
 			    IO_PGTABLE_QUIRK_ARM_MTK_EXT |
 			    IO_PGTABLE_QUIRK_NON_STRICT))
 		return NULL;
@@ -779,15 +810,17 @@
 
 	spin_lock_init(&data->split_lock);
 	data->l2_tables = kmem_cache_create("io-pgtable_armv7s_l2",
-					    ARM_V7S_TABLE_SIZE(2),
-					    ARM_V7S_TABLE_SIZE(2),
+					    ARM_V7S_TABLE_SIZE(2, cfg),
+					    ARM_V7S_TABLE_SIZE(2, cfg),
 					    ARM_V7S_TABLE_SLAB_FLAGS, NULL);
 	if (!data->l2_tables)
 		goto out_free_data;
 
 	data->iop.ops = (struct io_pgtable_ops) {
 		.map		= arm_v7s_map,
+		.map_pages	= arm_v7s_map_pages,
 		.unmap		= arm_v7s_unmap,
+		.unmap_pages	= arm_v7s_unmap_pages,
 		.iova_to_phys	= arm_v7s_iova_to_phys,
 	};
 
@@ -870,7 +903,6 @@
 static const struct iommu_flush_ops dummy_tlb_ops __initconst = {
 	.tlb_flush_all	= dummy_tlb_flush_all,
 	.tlb_flush_walk	= dummy_tlb_flush,
-	.tlb_flush_leaf	= dummy_tlb_flush,
 	.tlb_add_page	= dummy_tlb_add_page,
 };
 
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index e1cd31c..e086b1a 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -46,6 +46,9 @@
 #define ARM_LPAE_PGD_SIZE(d)						\
 	(sizeof(arm_lpae_iopte) << (d)->pgd_bits)
 
+#define ARM_LPAE_PTES_PER_TABLE(d)					\
+	(ARM_LPAE_GRANULE(d) >> ilog2(sizeof(arm_lpae_iopte)))
+
 /*
  * Calculate the index at level l used to map virtual address a using the
  * pagetable in d.
@@ -109,16 +112,20 @@
 #define ARM_LPAE_VTCR_PS_SHIFT		16
 #define ARM_LPAE_VTCR_PS_MASK		0x7
 
-#define ARM_LPAE_MAIR_ATTR_SHIFT(n)	((n) << 3)
-#define ARM_LPAE_MAIR_ATTR_MASK		0xff
-#define ARM_LPAE_MAIR_ATTR_DEVICE	0x04
-#define ARM_LPAE_MAIR_ATTR_NC		0x44
-#define ARM_LPAE_MAIR_ATTR_INC_OWBRWA	0xf4
-#define ARM_LPAE_MAIR_ATTR_WBRWA	0xff
-#define ARM_LPAE_MAIR_ATTR_IDX_NC	0
-#define ARM_LPAE_MAIR_ATTR_IDX_CACHE	1
-#define ARM_LPAE_MAIR_ATTR_IDX_DEV	2
-#define ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE	3
+#define ARM_LPAE_MAIR_ATTR_SHIFT(n)			((n) << 3)
+#define ARM_LPAE_MAIR_ATTR_MASK				0xff
+#define ARM_LPAE_MAIR_ATTR_DEVICE			0x04ULL
+#define ARM_LPAE_MAIR_ATTR_NC				0x44ULL
+#define ARM_LPAE_MAIR_ATTR_INC_OWBRANWA			0xe4ULL
+#define ARM_LPAE_MAIR_ATTR_IWBRWA_OWBRANWA		0xefULL
+#define ARM_LPAE_MAIR_ATTR_INC_OWBRWA			0xf4ULL
+#define ARM_LPAE_MAIR_ATTR_WBRWA			0xffULL
+#define ARM_LPAE_MAIR_ATTR_IDX_NC			0
+#define ARM_LPAE_MAIR_ATTR_IDX_CACHE			1
+#define ARM_LPAE_MAIR_ATTR_IDX_DEV			2
+#define ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE		3
+#define ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE_NWA		4
+#define ARM_LPAE_MAIR_ATTR_IDX_ICACHE_OCACHE_NWA	5
 
 #define ARM_MALI_LPAE_TTBR_ADRMODE_TABLE (3u << 0)
 #define ARM_MALI_LPAE_TTBR_READ_INNER	BIT(2)
@@ -232,70 +239,77 @@
 	free_pages((unsigned long)pages, get_order(size));
 }
 
-static void __arm_lpae_sync_pte(arm_lpae_iopte *ptep,
+static void __arm_lpae_sync_pte(arm_lpae_iopte *ptep, int num_entries,
 				struct io_pgtable_cfg *cfg)
 {
 	dma_sync_single_for_device(cfg->iommu_dev, __arm_lpae_dma_addr(ptep),
-				   sizeof(*ptep), DMA_TO_DEVICE);
+				   sizeof(*ptep) * num_entries, DMA_TO_DEVICE);
 }
 
-static void __arm_lpae_set_pte(arm_lpae_iopte *ptep, arm_lpae_iopte pte,
-			       struct io_pgtable_cfg *cfg)
+static void __arm_lpae_clear_pte(arm_lpae_iopte *ptep, struct io_pgtable_cfg *cfg)
 {
-	*ptep = pte;
+
+	*ptep = 0;
 
 	if (!cfg->coherent_walk)
-		__arm_lpae_sync_pte(ptep, cfg);
+		__arm_lpae_sync_pte(ptep, 1, cfg);
 }
 
 static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
 			       struct iommu_iotlb_gather *gather,
-			       unsigned long iova, size_t size, int lvl,
-			       arm_lpae_iopte *ptep);
+			       unsigned long iova, size_t size, size_t pgcount,
+			       int lvl, arm_lpae_iopte *ptep);
 
 static void __arm_lpae_init_pte(struct arm_lpae_io_pgtable *data,
 				phys_addr_t paddr, arm_lpae_iopte prot,
-				int lvl, arm_lpae_iopte *ptep)
+				int lvl, int num_entries, arm_lpae_iopte *ptep)
 {
 	arm_lpae_iopte pte = prot;
+	struct io_pgtable_cfg *cfg = &data->iop.cfg;
+	size_t sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
+	int i;
 
 	if (data->iop.fmt != ARM_MALI_LPAE && lvl == ARM_LPAE_MAX_LEVELS - 1)
 		pte |= ARM_LPAE_PTE_TYPE_PAGE;
 	else
 		pte |= ARM_LPAE_PTE_TYPE_BLOCK;
 
-	pte |= paddr_to_iopte(paddr, data);
+	for (i = 0; i < num_entries; i++)
+		ptep[i] = pte | paddr_to_iopte(paddr + i * sz, data);
 
-	__arm_lpae_set_pte(ptep, pte, &data->iop.cfg);
+	if (!cfg->coherent_walk)
+		__arm_lpae_sync_pte(ptep, num_entries, cfg);
 }
 
 static int arm_lpae_init_pte(struct arm_lpae_io_pgtable *data,
 			     unsigned long iova, phys_addr_t paddr,
-			     arm_lpae_iopte prot, int lvl,
+			     arm_lpae_iopte prot, int lvl, int num_entries,
 			     arm_lpae_iopte *ptep)
 {
-	arm_lpae_iopte pte = *ptep;
+	int i;
 
-	if (iopte_leaf(pte, lvl, data->iop.fmt)) {
-		/* We require an unmap first */
-		WARN_ON(!selftest_running);
-		return -EEXIST;
-	} else if (iopte_type(pte, lvl) == ARM_LPAE_PTE_TYPE_TABLE) {
-		/*
-		 * We need to unmap and free the old table before
-		 * overwriting it with a block entry.
-		 */
-		arm_lpae_iopte *tblp;
-		size_t sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
+	for (i = 0; i < num_entries; i++)
+		if (iopte_leaf(ptep[i], lvl, data->iop.fmt)) {
+			/* We require an unmap first */
+			WARN_ON(!selftest_running);
+			return -EEXIST;
+		} else if (iopte_type(ptep[i], lvl) == ARM_LPAE_PTE_TYPE_TABLE) {
+			/*
+			 * We need to unmap and free the old table before
+			 * overwriting it with a block entry.
+			 */
+			arm_lpae_iopte *tblp;
+			size_t sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
 
-		tblp = ptep - ARM_LPAE_LVL_IDX(iova, lvl, data);
-		if (__arm_lpae_unmap(data, NULL, iova, sz, lvl, tblp) != sz) {
-			WARN_ON(1);
-			return -EINVAL;
+			tblp = ptep - ARM_LPAE_LVL_IDX(iova, lvl, data);
+			if (__arm_lpae_unmap(data, NULL, iova + i * sz, sz, 1,
+					     lvl, tblp) != sz) {
+				WARN_ON(1);
+				return -EINVAL;
+			}
 		}
-	}
 
-	__arm_lpae_init_pte(data, paddr, prot, lvl, ptep);
+	__arm_lpae_init_pte(data, paddr, prot, lvl, num_entries, ptep);
 	return 0;
 }
 
@@ -324,7 +338,7 @@
 		return old;
 
 	/* Even if it's not ours, there's no point waiting; just kick it */
-	__arm_lpae_sync_pte(ptep, cfg);
+	__arm_lpae_sync_pte(ptep, 1, cfg);
 	if (old == curr)
 		WRITE_ONCE(*ptep, new | ARM_LPAE_PTE_SW_SYNC);
 
@@ -332,20 +346,30 @@
 }
 
 static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova,
-			  phys_addr_t paddr, size_t size, arm_lpae_iopte prot,
-			  int lvl, arm_lpae_iopte *ptep, gfp_t gfp)
+			  phys_addr_t paddr, size_t size, size_t pgcount,
+			  arm_lpae_iopte prot, int lvl, arm_lpae_iopte *ptep,
+			  gfp_t gfp, size_t *mapped)
 {
 	arm_lpae_iopte *cptep, pte;
 	size_t block_size = ARM_LPAE_BLOCK_SIZE(lvl, data);
 	size_t tblsz = ARM_LPAE_GRANULE(data);
 	struct io_pgtable_cfg *cfg = &data->iop.cfg;
+	int ret = 0, num_entries, max_entries, map_idx_start;
 
 	/* Find our entry at the current level */
-	ptep += ARM_LPAE_LVL_IDX(iova, lvl, data);
+	map_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data);
+	ptep += map_idx_start;
 
 	/* If we can install a leaf entry at this level, then do so */
-	if (size == block_size)
-		return arm_lpae_init_pte(data, iova, paddr, prot, lvl, ptep);
+	if (size == block_size) {
+		max_entries = ARM_LPAE_PTES_PER_TABLE(data) - map_idx_start;
+		num_entries = min_t(int, pgcount, max_entries);
+		ret = arm_lpae_init_pte(data, iova, paddr, prot, lvl, num_entries, ptep);
+		if (!ret && mapped)
+			*mapped += num_entries * size;
+
+		return ret;
+	}
 
 	/* We can't allocate tables at the final level */
 	if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
@@ -362,7 +386,7 @@
 		if (pte)
 			__arm_lpae_free_pages(cptep, tblsz, cfg);
 	} else if (!cfg->coherent_walk && !(pte & ARM_LPAE_PTE_SW_SYNC)) {
-		__arm_lpae_sync_pte(ptep, cfg);
+		__arm_lpae_sync_pte(ptep, 1, cfg);
 	}
 
 	if (pte && !iopte_leaf(pte, lvl, data->iop.fmt)) {
@@ -374,7 +398,8 @@
 	}
 
 	/* Rinse, repeat */
-	return __arm_lpae_map(data, iova, paddr, size, prot, lvl + 1, cptep, gfp);
+	return __arm_lpae_map(data, iova, paddr, size, pgcount, prot, lvl + 1,
+			      cptep, gfp, mapped);
 }
 
 static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data,
@@ -413,9 +438,19 @@
 		if (prot & IOMMU_MMIO)
 			pte |= (ARM_LPAE_MAIR_ATTR_IDX_DEV
 				<< ARM_LPAE_PTE_ATTRINDX_SHIFT);
+		else if ((prot & IOMMU_CACHE) && (prot & IOMMU_SYS_CACHE_NWA))
+			pte |= (ARM_LPAE_MAIR_ATTR_IDX_ICACHE_OCACHE_NWA
+				<< ARM_LPAE_PTE_ATTRINDX_SHIFT);
+		/* IOMMU_CACHE + IOMMU_SYS_CACHE equivalent to IOMMU_CACHE */
 		else if (prot & IOMMU_CACHE)
 			pte |= (ARM_LPAE_MAIR_ATTR_IDX_CACHE
 				<< ARM_LPAE_PTE_ATTRINDX_SHIFT);
+		else if (prot & IOMMU_SYS_CACHE)
+			pte |= (ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE
+				<< ARM_LPAE_PTE_ATTRINDX_SHIFT);
+		else if (prot & IOMMU_SYS_CACHE_NWA)
+			pte |= (ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE_NWA
+				<< ARM_LPAE_PTE_ATTRINDX_SHIFT);
 	}
 
 	/*
@@ -441,8 +476,9 @@
 	return pte;
 }
 
-static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
-			phys_addr_t paddr, size_t size, int iommu_prot, gfp_t gfp)
+static int arm_lpae_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
+			      phys_addr_t paddr, size_t pgsize, size_t pgcount,
+			      int iommu_prot, gfp_t gfp, size_t *mapped)
 {
 	struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops);
 	struct io_pgtable_cfg *cfg = &data->iop.cfg;
@@ -455,7 +491,7 @@
 	if (!(iommu_prot & (IOMMU_READ | IOMMU_WRITE)))
 		return 0;
 
-	if (WARN_ON(!size || (size & cfg->pgsize_bitmap) != size))
+	if (WARN_ON(!pgsize || (pgsize & cfg->pgsize_bitmap) != pgsize))
 		return -EINVAL;
 
 	if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_TTBR1)
@@ -464,7 +500,8 @@
 		return -ERANGE;
 
 	prot = arm_lpae_prot_to_pte(data, iommu_prot);
-	ret = __arm_lpae_map(data, iova, paddr, size, prot, lvl, ptep, gfp);
+	ret = __arm_lpae_map(data, iova, paddr, pgsize, pgcount, prot, lvl,
+			     ptep, gfp, mapped);
 	/*
 	 * Synchronise all PTE updates for the new mapping before there's
 	 * a chance for anything to kick off a table walk for the new iova.
@@ -474,6 +511,14 @@
 	return ret;
 }
 
+
+static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
+			phys_addr_t paddr, size_t size, int iommu_prot, gfp_t gfp)
+{
+	return arm_lpae_map_pages(ops, iova, paddr, size, 1, iommu_prot, gfp,
+				  NULL);
+}
+
 static void __arm_lpae_free_pgtable(struct arm_lpae_io_pgtable *data, int lvl,
 				    arm_lpae_iopte *ptep)
 {
@@ -517,14 +562,15 @@
 				       struct iommu_iotlb_gather *gather,
 				       unsigned long iova, size_t size,
 				       arm_lpae_iopte blk_pte, int lvl,
-				       arm_lpae_iopte *ptep)
+				       arm_lpae_iopte *ptep, size_t pgcount)
 {
 	struct io_pgtable_cfg *cfg = &data->iop.cfg;
 	arm_lpae_iopte pte, *tablep;
 	phys_addr_t blk_paddr;
 	size_t tablesz = ARM_LPAE_GRANULE(data);
 	size_t split_sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
-	int i, unmap_idx = -1;
+	int ptes_per_table = ARM_LPAE_PTES_PER_TABLE(data);
+	int i, unmap_idx_start = -1, num_entries = 0, max_entries;
 
 	if (WARN_ON(lvl == ARM_LPAE_MAX_LEVELS))
 		return 0;
@@ -533,18 +579,21 @@
 	if (!tablep)
 		return 0; /* Bytes unmapped */
 
-	if (size == split_sz)
-		unmap_idx = ARM_LPAE_LVL_IDX(iova, lvl, data);
+	if (size == split_sz) {
+		unmap_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data);
+		max_entries = ptes_per_table - unmap_idx_start;
+		num_entries = min_t(int, pgcount, max_entries);
+	}
 
 	blk_paddr = iopte_to_paddr(blk_pte, data);
 	pte = iopte_prot(blk_pte);
 
-	for (i = 0; i < tablesz / sizeof(pte); i++, blk_paddr += split_sz) {
+	for (i = 0; i < ptes_per_table; i++, blk_paddr += split_sz) {
 		/* Unmap! */
-		if (i == unmap_idx)
+		if (i >= unmap_idx_start && i < (unmap_idx_start + num_entries))
 			continue;
 
-		__arm_lpae_init_pte(data, blk_paddr, pte, lvl, &tablep[i]);
+		__arm_lpae_init_pte(data, blk_paddr, pte, lvl, 1, &tablep[i]);
 	}
 
 	pte = arm_lpae_install_table(tablep, ptep, blk_pte, data);
@@ -559,76 +608,92 @@
 			return 0;
 
 		tablep = iopte_deref(pte, data);
-	} else if (unmap_idx >= 0) {
-		io_pgtable_tlb_add_page(&data->iop, gather, iova, size);
-		return size;
+	} else if (unmap_idx_start >= 0) {
+		for (i = 0; i < num_entries; i++)
+			io_pgtable_tlb_add_page(&data->iop, gather, iova + i * size, size);
+
+		return num_entries * size;
 	}
 
-	return __arm_lpae_unmap(data, gather, iova, size, lvl, tablep);
+	return __arm_lpae_unmap(data, gather, iova, size, pgcount, lvl, tablep);
 }
 
 static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
 			       struct iommu_iotlb_gather *gather,
-			       unsigned long iova, size_t size, int lvl,
-			       arm_lpae_iopte *ptep)
+			       unsigned long iova, size_t size, size_t pgcount,
+			       int lvl, arm_lpae_iopte *ptep)
 {
 	arm_lpae_iopte pte;
 	struct io_pgtable *iop = &data->iop;
+	int i = 0, num_entries, max_entries, unmap_idx_start;
 
 	/* Something went horribly wrong and we ran out of page table */
 	if (WARN_ON(lvl == ARM_LPAE_MAX_LEVELS))
 		return 0;
 
-	ptep += ARM_LPAE_LVL_IDX(iova, lvl, data);
+	unmap_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data);
+	ptep += unmap_idx_start;
 	pte = READ_ONCE(*ptep);
 	if (WARN_ON(!pte))
 		return 0;
 
 	/* If the size matches this level, we're in the right place */
 	if (size == ARM_LPAE_BLOCK_SIZE(lvl, data)) {
-		__arm_lpae_set_pte(ptep, 0, &iop->cfg);
+		max_entries = ARM_LPAE_PTES_PER_TABLE(data) - unmap_idx_start;
+		num_entries = min_t(int, pgcount, max_entries);
 
-		if (!iopte_leaf(pte, lvl, iop->fmt)) {
-			/* Also flush any partial walks */
-			io_pgtable_tlb_flush_walk(iop, iova, size,
-						  ARM_LPAE_GRANULE(data));
-			ptep = iopte_deref(pte, data);
-			__arm_lpae_free_pgtable(data, lvl + 1, ptep);
-		} else if (iop->cfg.quirks & IO_PGTABLE_QUIRK_NON_STRICT) {
-			/*
-			 * Order the PTE update against queueing the IOVA, to
-			 * guarantee that a flush callback from a different CPU
-			 * has observed it before the TLBIALL can be issued.
-			 */
-			smp_wmb();
-		} else {
-			io_pgtable_tlb_add_page(iop, gather, iova, size);
+		while (i < num_entries) {
+			pte = READ_ONCE(*ptep);
+			if (WARN_ON(!pte))
+				break;
+
+			__arm_lpae_clear_pte(ptep, &iop->cfg);
+
+			if (!iopte_leaf(pte, lvl, iop->fmt)) {
+				/* Also flush any partial walks */
+				io_pgtable_tlb_flush_walk(iop, iova + i * size, size,
+							  ARM_LPAE_GRANULE(data));
+				__arm_lpae_free_pgtable(data, lvl + 1, iopte_deref(pte, data));
+			} else if (iop->cfg.quirks & IO_PGTABLE_QUIRK_NON_STRICT) {
+				/*
+				 * Order the PTE update against queueing the IOVA, to
+				 * guarantee that a flush callback from a different CPU
+				 * has observed it before the TLBIALL can be issued.
+				 */
+				smp_wmb();
+			} else {
+				io_pgtable_tlb_add_page(iop, gather, iova + i * size, size);
+			}
+
+			ptep++;
+			i++;
 		}
 
-		return size;
+		return i * size;
 	} else if (iopte_leaf(pte, lvl, iop->fmt)) {
 		/*
 		 * Insert a table at the next level to map the old region,
 		 * minus the part we want to unmap
 		 */
 		return arm_lpae_split_blk_unmap(data, gather, iova, size, pte,
-						lvl + 1, ptep);
+						lvl + 1, ptep, pgcount);
 	}
 
 	/* Keep on walkin' */
 	ptep = iopte_deref(pte, data);
-	return __arm_lpae_unmap(data, gather, iova, size, lvl + 1, ptep);
+	return __arm_lpae_unmap(data, gather, iova, size, pgcount, lvl + 1, ptep);
 }
 
-static size_t arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
-			     size_t size, struct iommu_iotlb_gather *gather)
+static size_t arm_lpae_unmap_pages(struct io_pgtable_ops *ops, unsigned long iova,
+				   size_t pgsize, size_t pgcount,
+				   struct iommu_iotlb_gather *gather)
 {
 	struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops);
 	struct io_pgtable_cfg *cfg = &data->iop.cfg;
 	arm_lpae_iopte *ptep = data->pgd;
 	long iaext = (s64)iova >> cfg->ias;
 
-	if (WARN_ON(!size || (size & cfg->pgsize_bitmap) != size))
+	if (WARN_ON(!pgsize || (pgsize & cfg->pgsize_bitmap) != pgsize || !pgcount))
 		return 0;
 
 	if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_TTBR1)
@@ -636,7 +701,14 @@
 	if (WARN_ON(iaext))
 		return 0;
 
-	return __arm_lpae_unmap(data, gather, iova, size, data->start_level, ptep);
+	return __arm_lpae_unmap(data, gather, iova, pgsize, pgcount,
+				data->start_level, ptep);
+}
+
+static size_t arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
+			     size_t size, struct iommu_iotlb_gather *gather)
+{
+	return arm_lpae_unmap_pages(ops, iova, size, 1, gather);
 }
 
 static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable_ops *ops,
@@ -751,7 +823,9 @@
 
 	data->iop.ops = (struct io_pgtable_ops) {
 		.map		= arm_lpae_map,
+		.map_pages	= arm_lpae_map_pages,
 		.unmap		= arm_lpae_unmap,
+		.unmap_pages	= arm_lpae_unmap_pages,
 		.iova_to_phys	= arm_lpae_iova_to_phys,
 	};
 
@@ -835,7 +909,11 @@
 	      (ARM_LPAE_MAIR_ATTR_DEVICE
 	       << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_DEV)) |
 	      (ARM_LPAE_MAIR_ATTR_INC_OWBRWA
-	       << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE));
+	       << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE)) |
+	      (ARM_LPAE_MAIR_ATTR_INC_OWBRANWA
+	       << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE_NWA)) |
+	      (ARM_LPAE_MAIR_ATTR_IWBRWA_OWBRANWA
+	       << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_ICACHE_OCACHE_NWA));
 
 	cfg->arm_lpae_s1_cfg.mair = reg;
 
@@ -1089,7 +1167,6 @@
 static const struct iommu_flush_ops dummy_tlb_ops __initconst = {
 	.tlb_flush_all	= dummy_tlb_flush_all,
 	.tlb_flush_walk	= dummy_tlb_flush,
-	.tlb_flush_leaf	= dummy_tlb_flush,
 	.tlb_add_page	= dummy_tlb_add_page,
 };
 
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 9d65557..9bf7042 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -8,6 +8,7 @@
 
 #include <linux/device.h>
 #include <linux/kernel.h>
+#include <linux/bits.h>
 #include <linux/bug.h>
 #include <linux/types.h>
 #include <linux/init.h>
@@ -200,13 +201,23 @@
 	const struct iommu_ops *ops = dev->bus->iommu_ops;
 	struct iommu_device *iommu_dev;
 	struct iommu_group *group;
+	static DEFINE_MUTEX(iommu_probe_device_lock);
 	int ret;
 
 	if (!ops)
 		return -ENODEV;
-
-	if (!dev_iommu_get(dev))
-		return -ENOMEM;
+	/*
+	 * Serialise to avoid races between IOMMU drivers registering in
+	 * parallel and/or the "replay" calls from ACPI/OF code via client
+	 * driver probe. Once the latter have been cleaned up we should
+	 * probably be able to use device_lock() here to minimise the scope,
+	 * but for now enforcing a simple global ordering is fine.
+	 */
+	mutex_lock(&iommu_probe_device_lock);
+	if (!dev_iommu_get(dev)) {
+		ret = -ENOMEM;
+		goto err_unlock;
+	}
 
 	if (!try_module_get(ops->owner)) {
 		ret = -EINVAL;
@@ -226,11 +237,14 @@
 		ret = PTR_ERR(group);
 		goto out_release;
 	}
-	iommu_group_put(group);
 
+	mutex_lock(&group->mutex);
 	if (group_list && !group->default_domain && list_empty(&group->entry))
 		list_add_tail(&group->entry, group_list);
+	mutex_unlock(&group->mutex);
+	iommu_group_put(group);
 
+	mutex_unlock(&iommu_probe_device_lock);
 	iommu_device_link(iommu_dev, dev);
 
 	return 0;
@@ -244,6 +258,9 @@
 err_free:
 	dev_iommu_free(dev);
 
+err_unlock:
+	mutex_unlock(&iommu_probe_device_lock);
+
 	return ret;
 }
 
@@ -267,11 +284,13 @@
 	 * support default domains, so the return value is not yet
 	 * checked.
 	 */
+	mutex_lock(&group->mutex);
 	iommu_alloc_default_domain(group, dev);
 
 	if (group->default_domain) {
 		ret = __iommu_attach_device(group->default_domain, dev);
 		if (ret) {
+			mutex_unlock(&group->mutex);
 			iommu_group_put(group);
 			goto err_release;
 		}
@@ -279,6 +298,7 @@
 
 	iommu_create_device_direct_mappings(group, dev);
 
+	mutex_unlock(&group->mutex);
 	iommu_group_put(group);
 
 	if (ops->probe_finalize)
@@ -1762,11 +1782,11 @@
 		return ret;
 
 	list_for_each_entry_safe(group, next, &group_list, entry) {
+		mutex_lock(&group->mutex);
+
 		/* Remove item from the list */
 		list_del_init(&group->entry);
 
-		mutex_lock(&group->mutex);
-
 		/* Try to allocate default domain */
 		probe_alloc_default_domain(bus, group);
 
@@ -2337,36 +2357,83 @@
 }
 EXPORT_SYMBOL_GPL(iommu_iova_to_phys);
 
-static size_t iommu_pgsize(struct iommu_domain *domain,
-			   unsigned long addr_merge, size_t size)
+static size_t iommu_pgsize(struct iommu_domain *domain, unsigned long iova,
+			   phys_addr_t paddr, size_t size, size_t *count)
 {
-	unsigned int pgsize_idx;
-	size_t pgsize;
+	unsigned int pgsize_idx, pgsize_idx_next;
+	unsigned long pgsizes;
+	size_t offset, pgsize, pgsize_next;
+	unsigned long addr_merge = paddr | iova;
 
-	/* Max page size that still fits into 'size' */
-	pgsize_idx = __fls(size);
+	/* Page sizes supported by the hardware and small enough for @size */
+	pgsizes = domain->pgsize_bitmap & GENMASK(__fls(size), 0);
 
-	/* need to consider alignment requirements ? */
-	if (likely(addr_merge)) {
-		/* Max page size allowed by address */
-		unsigned int align_pgsize_idx = __ffs(addr_merge);
-		pgsize_idx = min(pgsize_idx, align_pgsize_idx);
+	/* Constrain the page sizes further based on the maximum alignment */
+	if (likely(addr_merge))
+		pgsizes &= GENMASK(__ffs(addr_merge), 0);
+
+	/* Make sure we have at least one suitable page size */
+	BUG_ON(!pgsizes);
+
+	/* Pick the biggest page size remaining */
+	pgsize_idx = __fls(pgsizes);
+	pgsize = BIT(pgsize_idx);
+	if (!count)
+		return pgsize;
+
+
+	/* Find the next biggest support page size, if it exists */
+	pgsizes = domain->pgsize_bitmap & ~GENMASK(pgsize_idx, 0);
+	if (!pgsizes)
+		goto out_set_count;
+
+	pgsize_idx_next = __ffs(pgsizes);
+	pgsize_next = BIT(pgsize_idx_next);
+
+	/*
+	 * There's no point trying a bigger page size unless the virtual
+	 * and physical addresses are similarly offset within the larger page.
+	 */
+	if ((iova ^ paddr) & (pgsize_next - 1))
+		goto out_set_count;
+
+	/* Calculate the offset to the next page size alignment boundary */
+	offset = pgsize_next - (addr_merge & (pgsize_next - 1));
+
+	/*
+	 * If size is big enough to accommodate the larger page, reduce
+	 * the number of smaller pages.
+	 */
+	if (offset + pgsize_next <= size)
+		size = offset;
+
+out_set_count:
+	*count = size >> pgsize_idx;
+	return pgsize;
+}
+
+static int __iommu_map_pages(struct iommu_domain *domain, unsigned long iova,
+			     phys_addr_t paddr, size_t size, int prot,
+			     gfp_t gfp, size_t *mapped)
+{
+	const struct iommu_ops *ops = domain->ops;
+	size_t pgsize, count;
+	int ret;
+
+	pgsize = iommu_pgsize(domain, iova, paddr, size, &count);
+
+	pr_debug("mapping: iova 0x%lx pa %pa pgsize 0x%zx count %zu\n",
+			 iova, &paddr, pgsize, count);
+
+	if (ops->map_pages) {
+		ret = ops->map_pages(domain, iova, paddr, pgsize, count, prot,
+				     gfp, mapped);
+	} else {
+		ret = ops->map(domain, iova, paddr, pgsize, prot, gfp);
+		*mapped = ret ? 0 : pgsize;
 	}
 
-	/* build a mask of acceptable page sizes */
-	pgsize = (1UL << (pgsize_idx + 1)) - 1;
-
-	/* throw away page sizes not supported by the hardware */
-	pgsize &= domain->pgsize_bitmap;
-
-	/* make sure we're still sane */
-	BUG_ON(!pgsize);
-
-	/* pick the biggest page */
-	pgsize_idx = __fls(pgsize);
-	pgsize = 1UL << pgsize_idx;
-
-	return pgsize;
+	return ret;
 }
 
 static int __iommu_map(struct iommu_domain *domain, unsigned long iova,
@@ -2379,7 +2446,7 @@
 	phys_addr_t orig_paddr = paddr;
 	int ret = 0;
 
-	if (unlikely(ops->map == NULL ||
+	if (unlikely(!(ops->map || ops->map_pages) ||
 		     domain->pgsize_bitmap == 0UL))
 		return -ENODEV;
 
@@ -2403,18 +2470,21 @@
 	pr_debug("map: iova 0x%lx pa %pa size 0x%zx\n", iova, &paddr, size);
 
 	while (size) {
-		size_t pgsize = iommu_pgsize(domain, iova | paddr, size);
+		size_t mapped = 0;
 
-		pr_debug("mapping: iova 0x%lx pa %pa pgsize 0x%zx\n",
-			 iova, &paddr, pgsize);
-		ret = ops->map(domain, iova, paddr, pgsize, prot, gfp);
+		ret = __iommu_map_pages(domain, iova, paddr, size, prot, gfp,
+					&mapped);
+		/*
+		 * Some pages may have been mapped, even if an error occurred,
+		 * so we should account for those so they can be unmapped.
+		 */
+		size -= mapped;
 
 		if (ret)
 			break;
 
-		iova += pgsize;
-		paddr += pgsize;
-		size -= pgsize;
+		iova += mapped;
+		paddr += mapped;
 	}
 
 	/* unroll mapping in case something went wrong */
@@ -2434,7 +2504,7 @@
 
 	ret = __iommu_map(domain, iova, paddr, size, prot, gfp);
 	if (ret == 0 && ops->iotlb_sync_map)
-		ops->iotlb_sync_map(domain);
+		ops->iotlb_sync_map(domain, iova, size);
 
 	return ret;
 }
@@ -2454,6 +2524,19 @@
 }
 EXPORT_SYMBOL_GPL(iommu_map_atomic);
 
+static size_t __iommu_unmap_pages(struct iommu_domain *domain,
+				  unsigned long iova, size_t size,
+				  struct iommu_iotlb_gather *iotlb_gather)
+{
+	const struct iommu_ops *ops = domain->ops;
+	size_t pgsize, count;
+
+	pgsize = iommu_pgsize(domain, iova, iova, size, &count);
+	return ops->unmap_pages ?
+	       ops->unmap_pages(domain, iova, pgsize, count, iotlb_gather) :
+	       ops->unmap(domain, iova, pgsize, iotlb_gather);
+}
+
 static size_t __iommu_unmap(struct iommu_domain *domain,
 			    unsigned long iova, size_t size,
 			    struct iommu_iotlb_gather *iotlb_gather)
@@ -2463,7 +2546,7 @@
 	unsigned long orig_iova = iova;
 	unsigned int min_pagesz;
 
-	if (unlikely(ops->unmap == NULL ||
+	if (unlikely(!(ops->unmap || ops->unmap_pages) ||
 		     domain->pgsize_bitmap == 0UL))
 		return 0;
 
@@ -2491,9 +2574,9 @@
 	 * or we hit an area that isn't mapped.
 	 */
 	while (unmapped < size) {
-		size_t pgsize = iommu_pgsize(domain, iova, size - unmapped);
-
-		unmapped_page = ops->unmap(domain, iova, pgsize, iotlb_gather);
+		unmapped_page = __iommu_unmap_pages(domain, iova,
+						    size - unmapped,
+						    iotlb_gather);
 		if (!unmapped_page)
 			break;
 
@@ -2540,6 +2623,18 @@
 	unsigned int i = 0;
 	int ret;
 
+	if (ops->map_sg) {
+		ret = ops->map_sg(domain, iova, sg, nents, prot, gfp, &mapped);
+
+		if (ops->iotlb_sync_map)
+			ops->iotlb_sync_map(domain, iova, mapped);
+
+		if (ret)
+			goto out_err;
+
+		return mapped;
+	}
+
 	while (i <= nents) {
 		phys_addr_t s_phys = sg_phys(sg);
 
@@ -2566,7 +2661,7 @@
 	}
 
 	if (ops->iotlb_sync_map)
-		ops->iotlb_sync_map(domain);
+		ops->iotlb_sync_map(domain, iova, mapped);
 	return mapped;
 
 out_err:
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 4600e97..5399494 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -50,6 +50,7 @@
 	iovad->anchor.pfn_lo = iovad->anchor.pfn_hi = IOVA_ANCHOR;
 	rb_link_node(&iovad->anchor.node, NULL, &iovad->rbroot.rb_node);
 	rb_insert_color(&iovad->anchor.node, &iovad->rbroot);
+	iovad->best_fit = false;
 	init_iova_rcaches(iovad);
 }
 EXPORT_SYMBOL_GPL(init_iova_domain);
@@ -177,6 +178,24 @@
 	rb_insert_color(&iova->node, root);
 }
 
+#ifdef CONFIG_IOMMU_LIMIT_IOVA_ALIGNMENT
+static unsigned long limit_align_shift(struct iova_domain *iovad,
+				       unsigned long shift)
+{
+	unsigned long max_align_shift;
+
+	max_align_shift = CONFIG_IOMMU_IOVA_ALIGNMENT + PAGE_SHIFT
+		- iova_shift(iovad);
+	return min_t(unsigned long, max_align_shift, shift);
+}
+#else
+static unsigned long limit_align_shift(struct iova_domain *iovad,
+				       unsigned long shift)
+{
+	return shift;
+}
+#endif
+
 static int __alloc_and_insert_iova_range(struct iova_domain *iovad,
 		unsigned long size, unsigned long limit_pfn,
 			struct iova *new, bool size_aligned)
@@ -184,11 +203,12 @@
 	struct rb_node *curr, *prev;
 	struct iova *curr_iova;
 	unsigned long flags;
-	unsigned long new_pfn;
+	unsigned long new_pfn, low_pfn_new;
 	unsigned long align_mask = ~0UL;
+	unsigned long high_pfn = limit_pfn, low_pfn = iovad->start_pfn;
 
 	if (size_aligned)
-		align_mask <<= fls_long(size - 1);
+		align_mask <<= limit_align_shift(iovad, fls_long(size - 1));
 
 	/* Walk the tree backwards */
 	spin_lock_irqsave(&iovad->iova_rbtree_lock, flags);
@@ -198,15 +218,25 @@
 
 	curr = __get_cached_rbnode(iovad, limit_pfn);
 	curr_iova = rb_entry(curr, struct iova, node);
+	low_pfn_new = curr_iova->pfn_hi + 1;
+
+retry:
 	do {
-		limit_pfn = min(limit_pfn, curr_iova->pfn_lo);
-		new_pfn = (limit_pfn - size) & align_mask;
+		high_pfn = min(high_pfn, curr_iova->pfn_lo);
+		new_pfn = (high_pfn - size) & align_mask;
 		prev = curr;
 		curr = rb_prev(curr);
 		curr_iova = rb_entry(curr, struct iova, node);
-	} while (curr && new_pfn <= curr_iova->pfn_hi);
+	} while (curr && new_pfn <= curr_iova->pfn_hi && new_pfn >= low_pfn);
 
-	if (limit_pfn < size || new_pfn < iovad->start_pfn) {
+	if (high_pfn < size || new_pfn < low_pfn) {
+		if (low_pfn == iovad->start_pfn && low_pfn_new < limit_pfn) {
+			high_pfn = limit_pfn;
+			low_pfn = low_pfn_new;
+			curr = &iovad->anchor.node;
+			curr_iova = rb_entry(curr, struct iova, node);
+			goto retry;
+		}
 		iovad->max32_alloc_size = size;
 		goto iova32_full;
 	}
@@ -227,6 +257,70 @@
 	return -ENOMEM;
 }
 
+static int __alloc_and_insert_iova_best_fit(struct iova_domain *iovad,
+					    unsigned long size,
+					    unsigned long limit_pfn,
+					    struct iova *new, bool size_aligned)
+{
+	struct rb_node *curr, *prev;
+	struct iova *curr_iova, *prev_iova;
+	unsigned long flags;
+	unsigned long align_mask = ~0UL;
+	struct rb_node *candidate_rb_parent;
+	unsigned long new_pfn, candidate_pfn = ~0UL;
+	unsigned long gap, candidate_gap = ~0UL;
+
+	if (size_aligned)
+		align_mask <<= limit_align_shift(iovad, fls_long(size - 1));
+
+	/* Walk the tree backwards */
+	spin_lock_irqsave(&iovad->iova_rbtree_lock, flags);
+	curr = &iovad->anchor.node;
+	prev = rb_prev(curr);
+	for (; prev; curr = prev, prev = rb_prev(curr)) {
+		curr_iova = rb_entry(curr, struct iova, node);
+		prev_iova = rb_entry(prev, struct iova, node);
+
+		limit_pfn = min(limit_pfn, curr_iova->pfn_lo);
+		new_pfn = (limit_pfn - size) & align_mask;
+		gap = curr_iova->pfn_lo - prev_iova->pfn_hi - 1;
+		if ((limit_pfn >= size) && (new_pfn > prev_iova->pfn_hi)
+				&& (gap < candidate_gap)) {
+			candidate_gap = gap;
+			candidate_pfn = new_pfn;
+			candidate_rb_parent = curr;
+			if (gap == size)
+				goto insert;
+		}
+	}
+
+	curr_iova = rb_entry(curr, struct iova, node);
+	limit_pfn = min(limit_pfn, curr_iova->pfn_lo);
+	new_pfn = (limit_pfn - size) & align_mask;
+	gap = curr_iova->pfn_lo - iovad->start_pfn;
+	if (limit_pfn >= size && new_pfn >= iovad->start_pfn &&
+			gap < candidate_gap) {
+		candidate_gap = gap;
+		candidate_pfn = new_pfn;
+		candidate_rb_parent = curr;
+	}
+
+insert:
+	if (candidate_pfn == ~0UL) {
+		spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
+		return -ENOMEM;
+	}
+
+	/* pfn_lo will point to size aligned address if size_aligned is set */
+	new->pfn_lo = candidate_pfn;
+	new->pfn_hi = new->pfn_lo + size - 1;
+
+	/* If we have 'prev', it's a valid place to start the insertion. */
+	iova_insert_rbtree(&iovad->rbroot, new, candidate_rb_parent);
+	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
+	return 0;
+}
+
 static struct kmem_cache *iova_cache;
 static unsigned int iova_cache_users;
 static DEFINE_MUTEX(iova_cache_mutex);
@@ -302,8 +396,13 @@
 	if (!new_iova)
 		return NULL;
 
-	ret = __alloc_and_insert_iova_range(iovad, size, limit_pfn + 1,
-			new_iova, size_aligned);
+	if (iovad->best_fit) {
+		ret = __alloc_and_insert_iova_best_fit(iovad, size,
+				limit_pfn + 1, new_iova, size_aligned);
+	} else {
+		ret = __alloc_and_insert_iova_range(iovad, size, limit_pfn + 1,
+				new_iova, size_aligned);
+	}
 
 	if (ret) {
 		free_iova_mem(new_iova);
@@ -431,6 +530,7 @@
 		flush_rcache = false;
 		for_each_online_cpu(cpu)
 			free_cpu_cached_iovas(cpu, iovad);
+		free_global_cached_iovas(iovad);
 		goto retry;
 	}
 
@@ -1046,5 +1146,27 @@
 	}
 }
 
+/*
+ * free all the IOVA ranges of global cache
+ */
+void free_global_cached_iovas(struct iova_domain *iovad)
+{
+	struct iova_rcache *rcache;
+	unsigned long flags;
+	int i, j;
+
+	for (i = 0; i < IOVA_RANGE_CACHE_MAX_SIZE; ++i) {
+		rcache = &iovad->rcaches[i];
+		spin_lock_irqsave(&rcache->lock, flags);
+		for (j = 0; j < rcache->depot_size; ++j) {
+			iova_magazine_free_pfns(rcache->depot[j], iovad);
+			iova_magazine_free(rcache->depot[j]);
+			rcache->depot[j] = NULL;
+		}
+		rcache->depot_size = 0;
+		spin_unlock_irqrestore(&rcache->lock, flags);
+	}
+}
+
 MODULE_AUTHOR("Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index bae6c70..d9068e8 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -325,7 +325,6 @@
 static const struct iommu_flush_ops ipmmu_flush_ops = {
 	.tlb_flush_all = ipmmu_tlb_flush_all,
 	.tlb_flush_walk = ipmmu_tlb_flush,
-	.tlb_flush_leaf = ipmmu_tlb_flush,
 };
 
 /* -----------------------------------------------------------------------------
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index 149f2e5..4c2b5d7 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -174,12 +174,6 @@
 	__flush_iotlb_range(iova, size, granule, false, cookie);
 }
 
-static void __flush_iotlb_leaf(unsigned long iova, size_t size,
-			       size_t granule, void *cookie)
-{
-	__flush_iotlb_range(iova, size, granule, true, cookie);
-}
-
 static void __flush_iotlb_page(struct iommu_iotlb_gather *gather,
 			       unsigned long iova, size_t granule, void *cookie)
 {
@@ -189,7 +183,6 @@
 static const struct iommu_flush_ops msm_iommu_flush_ops = {
 	.tlb_flush_all = __flush_iotlb,
 	.tlb_flush_walk = __flush_iotlb_walk,
-	.tlb_flush_leaf = __flush_iotlb_leaf,
 	.tlb_add_page = __flush_iotlb_page,
 };
 
@@ -350,7 +343,6 @@
 	spin_lock_init(&priv->pgtlock);
 
 	priv->cfg = (struct io_pgtable_cfg) {
-		.quirks = IO_PGTABLE_QUIRK_TLBI_ON_MAP,
 		.pgsize_bitmap = msm_iommu_ops.pgsize_bitmap,
 		.ias = 32,
 		.oas = 32,
@@ -497,6 +489,14 @@
 	return ret;
 }
 
+static void msm_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
+			       size_t size)
+{
+	struct msm_priv *priv = to_msm_priv(domain);
+
+	__flush_iotlb_range(iova, size, SZ_4K, false, priv);
+}
+
 static size_t msm_iommu_unmap(struct iommu_domain *domain, unsigned long iova,
 			      size_t len, struct iommu_iotlb_gather *gather)
 {
@@ -690,6 +690,7 @@
 	 * kick starting the other master.
 	 */
 	.iotlb_sync = NULL,
+	.iotlb_sync_map = msm_iommu_sync_map,
 	.iova_to_phys = msm_iommu_iova_to_phys,
 	.probe_device = msm_iommu_probe_device,
 	.release_device = msm_iommu_release_device,
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 051815c..46f6414 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -3,10 +3,12 @@
  * Copyright (c) 2015-2016 MediaTek Inc.
  * Author: Yong Wu <yong.wu@mediatek.com>
  */
+#include <linux/bitfield.h>
 #include <linux/bug.h>
 #include <linux/clk.h>
 #include <linux/component.h>
 #include <linux/device.h>
+#include <linux/dma-direct.h>
 #include <linux/dma-iommu.h>
 #include <linux/err.h>
 #include <linux/interrupt.h>
@@ -20,6 +22,7 @@
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
@@ -88,6 +91,9 @@
 #define F_REG_MMU1_FAULT_MASK			GENMASK(13, 7)
 
 #define REG_MMU0_FAULT_VA			0x13c
+#define F_MMU_INVAL_VA_31_12_MASK		GENMASK(31, 12)
+#define F_MMU_INVAL_VA_34_32_MASK		GENMASK(11, 9)
+#define F_MMU_INVAL_PA_34_32_MASK		GENMASK(8, 6)
 #define F_MMU_FAULT_VA_WRITE_BIT		BIT(1)
 #define F_MMU_FAULT_VA_LAYER_BIT		BIT(0)
 
@@ -103,13 +109,6 @@
 
 #define MTK_PROTECT_PA_ALIGN			256
 
-/*
- * Get the local arbiter ID and the portid within the larb arbiter
- * from mtk_m4u_id which is defined by MTK_M4U_ID.
- */
-#define MTK_M4U_TO_LARB(id)		(((id) >> 5) & 0xf)
-#define MTK_M4U_TO_PORT(id)		((id) & 0x1f)
-
 #define HAS_4GB_MODE			BIT(0)
 /* HW will use the EMI clock if there isn't the "bclk". */
 #define HAS_BCLK			BIT(1)
@@ -119,6 +118,7 @@
 #define HAS_SUB_COMM			BIT(5)
 #define WR_THROT_EN			BIT(6)
 #define HAS_LEGACY_IVRP_PADDR		BIT(7)
+#define IOVA_34_EN			BIT(8)
 
 #define MTK_IOMMU_HAS_FLAG(pdata, _x) \
 		((((pdata)->flags) & (_x)) == (_x))
@@ -127,11 +127,19 @@
 	struct io_pgtable_cfg		cfg;
 	struct io_pgtable_ops		*iop;
 
+	struct mtk_iommu_data		*data;
 	struct iommu_domain		domain;
 };
 
 static const struct iommu_ops mtk_iommu_ops;
 
+static int mtk_iommu_hw_init(const struct mtk_iommu_data *data);
+
+#define MTK_IOMMU_TLB_ADDR(iova) ({					\
+	dma_addr_t _addr = iova;					\
+	((lower_32_bits(_addr) & GENMASK(31, 12)) | upper_32_bits(_addr));\
+})
+
 /*
  * In M4U 4GB mode, the physical address is remapped as below:
  *
@@ -160,6 +168,25 @@
 
 #define for_each_m4u(data)	list_for_each_entry(data, &m4ulist, list)
 
+struct mtk_iommu_iova_region {
+	dma_addr_t		iova_base;
+	unsigned long long	size;
+};
+
+static const struct mtk_iommu_iova_region single_domain[] = {
+	{.iova_base = 0,		.size = SZ_4G},
+};
+
+static const struct mtk_iommu_iova_region mt8192_multi_dom[] = {
+	{ .iova_base = 0x0,		.size = SZ_4G},		/* disp: 0 ~ 4G */
+	#if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)
+	{ .iova_base = SZ_4G,		.size = SZ_4G},		/* vdec: 4G ~ 8G */
+	{ .iova_base = SZ_4G * 2,	.size = SZ_4G},		/* CAM/MDP: 8G ~ 12G */
+	{ .iova_base = 0x240000000ULL,	.size = 0x4000000},	/* CCU0 */
+	{ .iova_base = 0x244000000ULL,	.size = 0x4000000},	/* CCU1 */
+	#endif
+};
+
 /*
  * There may be 1 or 2 M4U HWs, But we always expect they are in the same domain
  * for the performance.
@@ -182,33 +209,43 @@
 	return container_of(dom, struct mtk_iommu_domain, domain);
 }
 
-static void mtk_iommu_tlb_flush_all(void *cookie)
+static void mtk_iommu_tlb_flush_all(struct mtk_iommu_data *data)
 {
-	struct mtk_iommu_data *data = cookie;
-
 	for_each_m4u(data) {
+		if (pm_runtime_get_if_in_use(data->dev) <= 0)
+			continue;
+
 		writel_relaxed(F_INVLD_EN1 | F_INVLD_EN0,
 			       data->base + data->plat_data->inv_sel_reg);
 		writel_relaxed(F_ALL_INVLD, data->base + REG_MMU_INVALIDATE);
 		wmb(); /* Make sure the tlb flush all done */
+
+		pm_runtime_put(data->dev);
 	}
 }
 
 static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size,
-					   size_t granule, void *cookie)
+					   size_t granule,
+					   struct mtk_iommu_data *data)
 {
-	struct mtk_iommu_data *data = cookie;
+	bool has_pm = !!data->dev->pm_domain;
 	unsigned long flags;
 	int ret;
 	u32 tmp;
 
 	for_each_m4u(data) {
+		if (has_pm) {
+			if (pm_runtime_get_if_in_use(data->dev) <= 0)
+				continue;
+		}
+
 		spin_lock_irqsave(&data->tlb_lock, flags);
 		writel_relaxed(F_INVLD_EN1 | F_INVLD_EN0,
 			       data->base + data->plat_data->inv_sel_reg);
 
-		writel_relaxed(iova, data->base + REG_MMU_INVLD_START_A);
-		writel_relaxed(iova + size - 1,
+		writel_relaxed(MTK_IOMMU_TLB_ADDR(iova),
+			       data->base + REG_MMU_INVLD_START_A);
+		writel_relaxed(MTK_IOMMU_TLB_ADDR(iova + size - 1),
 			       data->base + REG_MMU_INVLD_END_A);
 		writel_relaxed(F_MMU_INV_RANGE,
 			       data->base + REG_MMU_INVALIDATE);
@@ -219,37 +256,24 @@
 		if (ret) {
 			dev_warn(data->dev,
 				 "Partial TLB flush timed out, falling back to full flush\n");
-			mtk_iommu_tlb_flush_all(cookie);
+			mtk_iommu_tlb_flush_all(data);
 		}
 		/* Clear the CPE status */
 		writel_relaxed(0, data->base + REG_MMU_CPE_DONE);
 		spin_unlock_irqrestore(&data->tlb_lock, flags);
+
+		if (has_pm)
+			pm_runtime_put(data->dev);
 	}
 }
 
-static void mtk_iommu_tlb_flush_page_nosync(struct iommu_iotlb_gather *gather,
-					    unsigned long iova, size_t granule,
-					    void *cookie)
-{
-	struct mtk_iommu_data *data = cookie;
-	struct iommu_domain *domain = &data->m4u_dom->domain;
-
-	iommu_iotlb_gather_add_page(domain, gather, iova, granule);
-}
-
-static const struct iommu_flush_ops mtk_iommu_flush_ops = {
-	.tlb_flush_all = mtk_iommu_tlb_flush_all,
-	.tlb_flush_walk = mtk_iommu_tlb_flush_range_sync,
-	.tlb_flush_leaf = mtk_iommu_tlb_flush_range_sync,
-	.tlb_add_page = mtk_iommu_tlb_flush_page_nosync,
-};
-
 static irqreturn_t mtk_iommu_isr(int irq, void *dev_id)
 {
 	struct mtk_iommu_data *data = dev_id;
 	struct mtk_iommu_domain *dom = data->m4u_dom;
-	u32 int_state, regval, fault_iova, fault_pa;
 	unsigned int fault_larb, fault_port, sub_comm = 0;
+	u32 int_state, regval, va34_32, pa34_32;
+	u64 fault_iova, fault_pa;
 	bool layer, write;
 
 	/* Read error info from registers */
@@ -265,6 +289,14 @@
 	}
 	layer = fault_iova & F_MMU_FAULT_VA_LAYER_BIT;
 	write = fault_iova & F_MMU_FAULT_VA_WRITE_BIT;
+	if (MTK_IOMMU_HAS_FLAG(data->plat_data, IOVA_34_EN)) {
+		va34_32 = FIELD_GET(F_MMU_INVAL_VA_34_32_MASK, fault_iova);
+		pa34_32 = FIELD_GET(F_MMU_INVAL_PA_34_32_MASK, fault_iova);
+		fault_iova = fault_iova & F_MMU_INVAL_VA_31_12_MASK;
+		fault_iova |= (u64)va34_32 << 32;
+		fault_pa |= (u64)pa34_32 << 32;
+	}
+
 	fault_port = F_MMU_INT_ID_PORT_ID(regval);
 	if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_SUB_COMM)) {
 		fault_larb = F_MMU_INT_ID_COMM_ID(regval);
@@ -278,7 +310,7 @@
 			       write ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ)) {
 		dev_err_ratelimited(
 			data->dev,
-			"fault type=0x%x iova=0x%x pa=0x%x larb=%d port=%d layer=%d %s\n",
+			"fault type=0x%x iova=0x%llx pa=0x%llx larb=%d port=%d layer=%d %s\n",
 			int_state, fault_iova, fault_pa, fault_larb, fault_port,
 			layer, write ? "write" : "read");
 	}
@@ -293,21 +325,57 @@
 	return IRQ_HANDLED;
 }
 
-static void mtk_iommu_config(struct mtk_iommu_data *data,
-			     struct device *dev, bool enable)
+static int mtk_iommu_get_domain_id(struct device *dev,
+				   const struct mtk_iommu_plat_data *plat_data)
+{
+	const struct mtk_iommu_iova_region *rgn = plat_data->iova_region;
+	const struct bus_dma_region *dma_rgn = dev->dma_range_map;
+	int i, candidate = -1;
+	dma_addr_t dma_end;
+
+	if (!dma_rgn || plat_data->iova_region_nr == 1)
+		return 0;
+
+	dma_end = dma_rgn->dma_start + dma_rgn->size - 1;
+	for (i = 0; i < plat_data->iova_region_nr; i++, rgn++) {
+		/* Best fit. */
+		if (dma_rgn->dma_start == rgn->iova_base &&
+		    dma_end == rgn->iova_base + rgn->size - 1)
+			return i;
+		/* ok if it is inside this region. */
+		if (dma_rgn->dma_start >= rgn->iova_base &&
+		    dma_end < rgn->iova_base + rgn->size)
+			candidate = i;
+	}
+
+	if (candidate >= 0)
+		return candidate;
+	dev_err(dev, "Can NOT find the iommu domain id(%pad 0x%llx).\n",
+		&dma_rgn->dma_start, dma_rgn->size);
+	return -EINVAL;
+}
+
+static void mtk_iommu_config(struct mtk_iommu_data *data, struct device *dev,
+			     bool enable, unsigned int domid)
 {
 	struct mtk_smi_larb_iommu    *larb_mmu;
 	unsigned int                 larbid, portid;
 	struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
+	const struct mtk_iommu_iova_region *region;
 	int i;
 
 	for (i = 0; i < fwspec->num_ids; ++i) {
 		larbid = MTK_M4U_TO_LARB(fwspec->ids[i]);
 		portid = MTK_M4U_TO_PORT(fwspec->ids[i]);
+
 		larb_mmu = &data->larb_imu[larbid];
 
-		dev_dbg(dev, "%s iommu port: %d\n",
-			enable ? "enable" : "disable", portid);
+		region = data->plat_data->iova_region + domid;
+		larb_mmu->bank[portid] = upper_32_bits(region->iova_base);
+
+		dev_dbg(dev, "%s iommu for larb(%s) port %d dom %d bank %d.\n",
+			enable ? "enable" : "disable", dev_name(larb_mmu->dev),
+			portid, domid, larb_mmu->bank[portid]);
 
 		if (enable)
 			larb_mmu->mmu |= MTK_SMI_MMU_EN(portid);
@@ -316,22 +384,34 @@
 	}
 }
 
-static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom)
+static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom,
+				     struct mtk_iommu_data *data,
+				     unsigned int domid)
 {
-	struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
+	const struct mtk_iommu_iova_region *region;
+
+	/* Use the exist domain as there is only one pgtable here. */
+	if (data->m4u_dom) {
+		dom->iop = data->m4u_dom->iop;
+		dom->cfg = data->m4u_dom->cfg;
+		dom->domain.pgsize_bitmap = data->m4u_dom->cfg.pgsize_bitmap;
+		goto update_iova_region;
+	}
 
 	dom->cfg = (struct io_pgtable_cfg) {
 		.quirks = IO_PGTABLE_QUIRK_ARM_NS |
 			IO_PGTABLE_QUIRK_NO_PERMS |
-			IO_PGTABLE_QUIRK_TLBI_ON_MAP |
 			IO_PGTABLE_QUIRK_ARM_MTK_EXT,
 		.pgsize_bitmap = mtk_iommu_ops.pgsize_bitmap,
-		.ias = 32,
-		.oas = 34,
-		.tlb = &mtk_iommu_flush_ops,
+		.ias = MTK_IOMMU_HAS_FLAG(data->plat_data, IOVA_34_EN) ? 34 : 32,
 		.iommu_dev = data->dev,
 	};
 
+	if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_4GB_MODE))
+		dom->cfg.oas = data->enable_4GB ? 33 : 32;
+	else
+		dom->cfg.oas = 35;
+
 	dom->iop = alloc_io_pgtable_ops(ARM_V7S, &dom->cfg, data);
 	if (!dom->iop) {
 		dev_err(data->dev, "Failed to alloc io pgtable\n");
@@ -340,6 +420,13 @@
 
 	/* Update our support page sizes bitmap */
 	dom->domain.pgsize_bitmap = dom->cfg.pgsize_bitmap;
+
+update_iova_region:
+	/* Update the iova region for this domain */
+	region = data->plat_data->iova_region + domid;
+	dom->domain.geometry.aperture_start = region->iova_base;
+	dom->domain.geometry.aperture_end = region->iova_base + region->size - 1;
+	dom->domain.geometry.force_aperture = true;
 	return 0;
 }
 
@@ -354,30 +441,16 @@
 	if (!dom)
 		return NULL;
 
-	if (iommu_get_dma_cookie(&dom->domain))
-		goto  free_dom;
-
-	if (mtk_iommu_domain_finalise(dom))
-		goto  put_dma_cookie;
-
-	dom->domain.geometry.aperture_start = 0;
-	dom->domain.geometry.aperture_end = DMA_BIT_MASK(32);
-	dom->domain.geometry.force_aperture = true;
+	if (iommu_get_dma_cookie(&dom->domain)) {
+		kfree(dom);
+		return NULL;
+	}
 
 	return &dom->domain;
-
-put_dma_cookie:
-	iommu_put_dma_cookie(&dom->domain);
-free_dom:
-	kfree(dom);
-	return NULL;
 }
 
 static void mtk_iommu_domain_free(struct iommu_domain *domain)
 {
-	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
-
-	free_io_pgtable_ops(dom->iop);
 	iommu_put_dma_cookie(domain);
 	kfree(to_mtk_domain(domain));
 }
@@ -385,21 +458,49 @@
 static int mtk_iommu_attach_device(struct iommu_domain *domain,
 				   struct device *dev)
 {
-	struct mtk_iommu_data *data = dev_iommu_priv_get(dev);
+	struct mtk_iommu_data *data = dev_iommu_priv_get(dev), *frstdata;
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+	struct device *m4udev = data->dev;
+	int ret, domid;
 
-	if (!data)
-		return -ENODEV;
+	domid = mtk_iommu_get_domain_id(dev, data->plat_data);
+	if (domid < 0)
+		return domid;
 
-	/* Update the pgtable base address register of the M4U HW */
-	if (!data->m4u_dom) {
+	if (!dom->data) {
+		/* Data is in the frstdata in sharing pgtable case. */
+		frstdata = mtk_iommu_get_m4u_data();
+
+		if (mtk_iommu_domain_finalise(dom, frstdata, domid))
+			return -ENODEV;
+		dom->data = data;
+	}
+
+	mutex_lock(&data->mutex);
+	if (!data->m4u_dom) { /* Initialize the M4U HW */
+		ret = pm_runtime_resume_and_get(m4udev);
+		if (ret < 0)
+			goto err_unlock;
+
+		ret = mtk_iommu_hw_init(data);
+		if (ret) {
+			pm_runtime_put(m4udev);
+			goto err_unlock;
+		}
 		data->m4u_dom = dom;
 		writel(dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK,
 		       data->base + REG_MMU_PT_BASE_ADDR);
-	}
 
-	mtk_iommu_config(data, dev, true);
+		pm_runtime_put(m4udev);
+	}
+	mutex_unlock(&data->mutex);
+
+	mtk_iommu_config(data, dev, true, domid);
 	return 0;
+
+err_unlock:
+	mutex_unlock(&data->mutex);
+	return ret;
 }
 
 static void mtk_iommu_detach_device(struct iommu_domain *domain,
@@ -407,20 +508,16 @@
 {
 	struct mtk_iommu_data *data = dev_iommu_priv_get(dev);
 
-	if (!data)
-		return;
-
-	mtk_iommu_config(data, dev, false);
+	mtk_iommu_config(data, dev, false, 0);
 }
 
 static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova,
 			 phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
-	struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
 
 	/* The "4GB mode" M4U physically can not use the lower remap of Dram. */
-	if (data->enable_4GB)
+	if (dom->data->enable_4GB)
 		paddr |= BIT_ULL(32);
 
 	/* Synchronize with the tlb_lock */
@@ -432,37 +529,48 @@
 			      struct iommu_iotlb_gather *gather)
 {
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+	unsigned long end = iova + size - 1;
 
+	if (gather->start > iova)
+		gather->start = iova;
+	if (gather->end < end)
+		gather->end = end;
 	return dom->iop->unmap(dom->iop, iova, size, gather);
 }
 
 static void mtk_iommu_flush_iotlb_all(struct iommu_domain *domain)
 {
-	mtk_iommu_tlb_flush_all(mtk_iommu_get_m4u_data());
+	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+
+	mtk_iommu_tlb_flush_all(dom->data);
 }
 
 static void mtk_iommu_iotlb_sync(struct iommu_domain *domain,
 				 struct iommu_iotlb_gather *gather)
 {
-	struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
+	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
 	size_t length = gather->end - gather->start + 1;
 
-	if (gather->start == ULONG_MAX)
-		return;
-
 	mtk_iommu_tlb_flush_range_sync(gather->start, length, gather->pgsize,
-				       data);
+				       dom->data);
+}
+
+static void mtk_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
+			       size_t size)
+{
+	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+
+	mtk_iommu_tlb_flush_range_sync(iova, size, size, dom->data);
 }
 
 static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain,
 					  dma_addr_t iova)
 {
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
-	struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
 	phys_addr_t pa;
 
 	pa = dom->iop->iova_to_phys(dom->iop, iova);
-	if (data->enable_4GB && pa >= MTK_IOMMU_4GB_MODE_REMAP_BASE)
+	if (dom->data->enable_4GB && pa >= MTK_IOMMU_4GB_MODE_REMAP_BASE)
 		pa &= ~BIT_ULL(32);
 
 	return pa;
@@ -494,19 +602,27 @@
 static struct iommu_group *mtk_iommu_device_group(struct device *dev)
 {
 	struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
+	struct iommu_group *group;
+	int domid;
 
 	if (!data)
 		return ERR_PTR(-ENODEV);
 
-	/* All the client devices are in the same m4u iommu-group */
-	if (!data->m4u_group) {
-		data->m4u_group = iommu_group_alloc();
-		if (IS_ERR(data->m4u_group))
-			dev_err(dev, "Failed to allocate M4U IOMMU group\n");
+	domid = mtk_iommu_get_domain_id(dev, data->plat_data);
+	if (domid < 0)
+		return ERR_PTR(domid);
+
+	mutex_lock(&data->mutex);
+	group = data->m4u_group[domid];
+	if (!group) {
+		group = iommu_group_alloc();
+		if (!IS_ERR(group))
+			data->m4u_group[domid] = group;
 	} else {
-		iommu_group_ref_get(data->m4u_group);
+		iommu_group_ref_get(group);
 	}
-	return data->m4u_group;
+	mutex_unlock(&data->mutex);
+	return group;
 }
 
 static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
@@ -531,6 +647,35 @@
 	return iommu_fwspec_add_ids(dev, args->args, 1);
 }
 
+static void mtk_iommu_get_resv_regions(struct device *dev,
+				       struct list_head *head)
+{
+	struct mtk_iommu_data *data = dev_iommu_priv_get(dev);
+	unsigned int domid = mtk_iommu_get_domain_id(dev, data->plat_data), i;
+	const struct mtk_iommu_iova_region *resv, *curdom;
+	struct iommu_resv_region *region;
+	int prot = IOMMU_WRITE | IOMMU_READ;
+
+	if ((int)domid < 0)
+		return;
+	curdom = data->plat_data->iova_region + domid;
+	for (i = 0; i < data->plat_data->iova_region_nr; i++) {
+		resv = data->plat_data->iova_region + i;
+
+		/* Only reserve when the region is inside the current domain */
+		if (resv->iova_base <= curdom->iova_base ||
+		    resv->iova_base + resv->size >= curdom->iova_base + curdom->size)
+			continue;
+
+		region = iommu_alloc_resv_region(resv->iova_base, resv->size,
+						 prot, IOMMU_RESV_RESERVED);
+		if (!region)
+			return;
+
+		list_add_tail(&region->list, head);
+	}
+}
+
 static const struct iommu_ops mtk_iommu_ops = {
 	.domain_alloc	= mtk_iommu_domain_alloc,
 	.domain_free	= mtk_iommu_domain_free,
@@ -540,24 +685,20 @@
 	.unmap		= mtk_iommu_unmap,
 	.flush_iotlb_all = mtk_iommu_flush_iotlb_all,
 	.iotlb_sync	= mtk_iommu_iotlb_sync,
+	.iotlb_sync_map	= mtk_iommu_sync_map,
 	.iova_to_phys	= mtk_iommu_iova_to_phys,
 	.probe_device	= mtk_iommu_probe_device,
 	.release_device	= mtk_iommu_release_device,
 	.device_group	= mtk_iommu_device_group,
 	.of_xlate	= mtk_iommu_of_xlate,
+	.get_resv_regions = mtk_iommu_get_resv_regions,
+	.put_resv_regions = generic_iommu_put_resv_regions,
 	.pgsize_bitmap	= SZ_4K | SZ_64K | SZ_1M | SZ_16M,
 };
 
 static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
 {
 	u32 regval;
-	int ret;
-
-	ret = clk_prepare_enable(data->bclk);
-	if (ret) {
-		dev_err(data->dev, "Failed to enable iommu bclk(%d)\n", ret);
-		return ret;
-	}
 
 	if (data->plat_data->m4u_plat == M4U_MT8173) {
 		regval = F_MMU_PREFETCH_RT_REPLACE_MOD |
@@ -623,7 +764,6 @@
 	if (devm_request_irq(data->dev, data->irq, mtk_iommu_isr, 0,
 			     dev_name(data->dev), (void *)data)) {
 		writel_relaxed(0, data->base + REG_MMU_PT_BASE_ADDR);
-		clk_disable_unprepare(data->bclk);
 		dev_err(data->dev, "Failed @ IRQ-%d Request\n", data->irq);
 		return -ENODEV;
 	}
@@ -640,6 +780,9 @@
 {
 	struct mtk_iommu_data   *data;
 	struct device           *dev = &pdev->dev;
+	struct device_node	*larbnode, *smicomm_node;
+	struct platform_device	*plarbdev;
+	struct device_link	*link;
 	struct resource         *res;
 	resource_size_t		ioaddr;
 	struct component_match  *match = NULL;
@@ -706,8 +849,6 @@
 		return larb_nr;
 
 	for (i = 0; i < larb_nr; i++) {
-		struct device_node *larbnode;
-		struct platform_device *plarbdev;
 		u32 id;
 
 		larbnode = of_parse_phandle(dev->of_node, "mediatek,larbs", i);
@@ -734,31 +875,66 @@
 					    compare_of, larbnode);
 	}
 
-	platform_set_drvdata(pdev, data);
+	/* Get smi-common dev from the last larb. */
+	smicomm_node = of_parse_phandle(larbnode, "mediatek,smi", 0);
+	if (!smicomm_node)
+		return -EINVAL;
 
-	ret = mtk_iommu_hw_init(data);
-	if (ret)
-		return ret;
+	plarbdev = of_find_device_by_node(smicomm_node);
+	of_node_put(smicomm_node);
+	data->smicomm_dev = &plarbdev->dev;
+
+	pm_runtime_enable(dev);
+
+	link = device_link_add(data->smicomm_dev, dev,
+			DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME);
+	if (!link) {
+		dev_err(dev, "Unable to link %s.\n", dev_name(data->smicomm_dev));
+		ret = -EINVAL;
+		goto out_runtime_disable;
+	}
+
+	platform_set_drvdata(pdev, data);
+	mutex_init(&data->mutex);
 
 	ret = iommu_device_sysfs_add(&data->iommu, dev, NULL,
 				     "mtk-iommu.%pa", &ioaddr);
 	if (ret)
-		return ret;
+		goto out_link_remove;
 
 	iommu_device_set_ops(&data->iommu, &mtk_iommu_ops);
 	iommu_device_set_fwnode(&data->iommu, &pdev->dev.of_node->fwnode);
 
 	ret = iommu_device_register(&data->iommu);
 	if (ret)
-		return ret;
+		goto out_sysfs_remove;
 
 	spin_lock_init(&data->tlb_lock);
 	list_add_tail(&data->list, &m4ulist);
 
-	if (!iommu_present(&platform_bus_type))
-		bus_set_iommu(&platform_bus_type, &mtk_iommu_ops);
+	if (!iommu_present(&platform_bus_type)) {
+		ret = bus_set_iommu(&platform_bus_type, &mtk_iommu_ops);
+		if (ret)
+			goto out_list_del;
+	}
 
-	return component_master_add_with_match(dev, &mtk_iommu_com_ops, match);
+	ret = component_master_add_with_match(dev, &mtk_iommu_com_ops, match);
+	if (ret)
+		goto out_bus_set_null;
+	return ret;
+
+out_bus_set_null:
+	bus_set_iommu(&platform_bus_type, NULL);
+out_list_del:
+	list_del(&data->list);
+	iommu_device_unregister(&data->iommu);
+out_sysfs_remove:
+	iommu_device_sysfs_remove(&data->iommu);
+out_link_remove:
+	device_link_remove(data->smicomm_dev, dev);
+out_runtime_disable:
+	pm_runtime_disable(dev);
+	return ret;
 }
 
 static int mtk_iommu_remove(struct platform_device *pdev)
@@ -770,13 +946,14 @@
 
 	list_del(&data->list);
 
-	clk_disable_unprepare(data->bclk);
+	device_link_remove(data->smicomm_dev, &pdev->dev);
+	pm_runtime_disable(&pdev->dev);
 	devm_free_irq(&pdev->dev, data->irq, data);
 	component_master_del(&pdev->dev, &mtk_iommu_com_ops);
 	return 0;
 }
 
-static int __maybe_unused mtk_iommu_suspend(struct device *dev)
+static int __maybe_unused mtk_iommu_runtime_suspend(struct device *dev)
 {
 	struct mtk_iommu_data *data = dev_get_drvdata(dev);
 	struct mtk_iommu_suspend_reg *reg = &data->reg;
@@ -794,7 +971,7 @@
 	return 0;
 }
 
-static int __maybe_unused mtk_iommu_resume(struct device *dev)
+static int __maybe_unused mtk_iommu_runtime_resume(struct device *dev)
 {
 	struct mtk_iommu_data *data = dev_get_drvdata(dev);
 	struct mtk_iommu_suspend_reg *reg = &data->reg;
@@ -807,6 +984,14 @@
 		dev_err(data->dev, "Failed to enable clk(%d) in resume\n", ret);
 		return ret;
 	}
+
+	/*
+	 * Uppon first resume, only enable the clk and return, since the values of the
+	 * registers are not yet set.
+	 */
+	if (!m4u_dom)
+		return 0;
+
 	writel_relaxed(reg->wr_len_ctrl, base + REG_MMU_WR_LEN_CTRL);
 	writel_relaxed(reg->misc_ctrl, base + REG_MMU_MISC_CTRL);
 	writel_relaxed(reg->dcm_dis, base + REG_MMU_DCM_DIS);
@@ -815,20 +1000,22 @@
 	writel_relaxed(reg->int_main_control, base + REG_MMU_INT_MAIN_CONTROL);
 	writel_relaxed(reg->ivrp_paddr, base + REG_MMU_IVRP_PADDR);
 	writel_relaxed(reg->vld_pa_rng, base + REG_MMU_VLD_PA_RNG);
-	if (m4u_dom)
-		writel(m4u_dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK,
-		       base + REG_MMU_PT_BASE_ADDR);
+	writel(m4u_dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK, base + REG_MMU_PT_BASE_ADDR);
 	return 0;
 }
 
 static const struct dev_pm_ops mtk_iommu_pm_ops = {
-	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mtk_iommu_suspend, mtk_iommu_resume)
+	SET_RUNTIME_PM_OPS(mtk_iommu_runtime_suspend, mtk_iommu_runtime_resume, NULL)
+	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				     pm_runtime_force_resume)
 };
 
 static const struct mtk_iommu_plat_data mt2712_data = {
 	.m4u_plat     = M4U_MT2712,
 	.flags        = HAS_4GB_MODE | HAS_BCLK | HAS_VLD_PA_RNG,
 	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
+	.iova_region  = single_domain,
+	.iova_region_nr = ARRAY_SIZE(single_domain),
 	.larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}},
 };
 
@@ -836,6 +1023,8 @@
 	.m4u_plat      = M4U_MT6779,
 	.flags         = HAS_SUB_COMM | OUT_ORDER_WR_EN | WR_THROT_EN,
 	.inv_sel_reg   = REG_MMU_INV_SEL_GEN2,
+	.iova_region   = single_domain,
+	.iova_region_nr = ARRAY_SIZE(single_domain),
 	.larbid_remap  = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}},
 };
 
@@ -843,6 +1032,8 @@
 	.m4u_plat     = M4U_MT8167,
 	.flags        = RESET_AXI | HAS_LEGACY_IVRP_PADDR,
 	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
+	.iova_region  = single_domain,
+	.iova_region_nr = ARRAY_SIZE(single_domain),
 	.larbid_remap = {{0}, {1}, {2}}, /* Linear mapping. */
 };
 
@@ -851,6 +1042,8 @@
 	.flags	      = HAS_4GB_MODE | HAS_BCLK | RESET_AXI |
 			HAS_LEGACY_IVRP_PADDR,
 	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
+	.iova_region  = single_domain,
+	.iova_region_nr = ARRAY_SIZE(single_domain),
 	.larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}}, /* Linear mapping. */
 };
 
@@ -858,15 +1051,29 @@
 	.m4u_plat     = M4U_MT8183,
 	.flags        = RESET_AXI,
 	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
+	.iova_region  = single_domain,
+	.iova_region_nr = ARRAY_SIZE(single_domain),
 	.larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}},
 };
 
+static const struct mtk_iommu_plat_data mt8192_data = {
+	.m4u_plat       = M4U_MT8192,
+	.flags          = HAS_BCLK | HAS_SUB_COMM | OUT_ORDER_WR_EN |
+			  WR_THROT_EN | IOVA_34_EN,
+	.inv_sel_reg    = REG_MMU_INV_SEL_GEN2,
+	.iova_region    = mt8192_multi_dom,
+	.iova_region_nr = ARRAY_SIZE(mt8192_multi_dom),
+	.larbid_remap   = {{0}, {1}, {4, 5}, {7}, {2}, {9, 11, 19, 20},
+			   {0, 14, 16}, {0, 13, 18, 17}},
+};
+
 static const struct of_device_id mtk_iommu_of_ids[] = {
 	{ .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},
 	{ .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},
 	{ .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data},
 	{ .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},
 	{ .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},
+	{ .compatible = "mediatek,mt8192-m4u", .data = &mt8192_data},
 	{}
 };
 
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index df32b3e..f413546 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -17,10 +17,13 @@
 #include <linux/spinlock.h>
 #include <linux/dma-mapping.h>
 #include <soc/mediatek/smi.h>
+#include <dt-bindings/memory/mtk-memory-port.h>
 
 #define MTK_LARB_COM_MAX	8
 #define MTK_LARB_SUBCOM_MAX	4
 
+#define MTK_IOMMU_GROUP_MAX	8
+
 struct mtk_iommu_suspend_reg {
 	union {
 		u32			standard_axi_mode;/* v1 */
@@ -42,12 +45,18 @@
 	M4U_MT8167,
 	M4U_MT8173,
 	M4U_MT8183,
+	M4U_MT8192,
 };
 
+struct mtk_iommu_iova_region;
+
 struct mtk_iommu_plat_data {
 	enum mtk_iommu_plat m4u_plat;
 	u32                 flags;
 	u32                 inv_sel_reg;
+
+	unsigned int				iova_region_nr;
+	const struct mtk_iommu_iova_region	*iova_region;
 	unsigned char       larbid_remap[MTK_LARB_COM_MAX][MTK_LARB_SUBCOM_MAX];
 };
 
@@ -61,15 +70,18 @@
 	phys_addr_t			protect_base; /* protect memory base */
 	struct mtk_iommu_suspend_reg	reg;
 	struct mtk_iommu_domain		*m4u_dom;
-	struct iommu_group		*m4u_group;
+	struct iommu_group		*m4u_group[MTK_IOMMU_GROUP_MAX];
 	bool                            enable_4GB;
 	spinlock_t			tlb_lock; /* lock for tlb range flush */
 
 	struct iommu_device		iommu;
 	const struct mtk_iommu_plat_data *plat_data;
+	struct device			*smicomm_dev;
 
 	struct dma_iommu_mapping	*mapping; /* For mtk_iommu_v1.c */
 
+	struct mutex			mutex; /* Protect m4u_group/m4u_dom above */
+
 	struct list_head		list;
 	struct mtk_smi_larb_iommu	larb_imu[MTK_LARB_NR_MAX];
 };
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index fac7202..05e8e19 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -261,7 +261,8 @@
 	return 0;
 }
 
-static void gart_iommu_sync_map(struct iommu_domain *domain)
+static void gart_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
+				size_t size)
 {
 	FLUSH_GART_REGS(gart_handle);
 }
@@ -269,7 +270,9 @@
 static void gart_iommu_sync(struct iommu_domain *domain,
 			    struct iommu_iotlb_gather *gather)
 {
-	gart_iommu_sync_map(domain);
+	size_t length = gather->end - gather->start;
+
+	gart_iommu_sync_map(domain, gather->start, length);
 }
 
 static const struct iommu_ops gart_iommu_ops = {
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 3c24bf4..90d2e32 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -417,8 +417,9 @@
 	  Support for the UniPhier AIDET (ARM Interrupt Detector).
 
 config MESON_IRQ_GPIO
-       bool "Meson GPIO Interrupt Multiplexer"
-       depends on ARCH_MESON
+       tristate "Meson GPIO Interrupt Multiplexer"
+       depends on ARCH_MESON || COMPILE_TEST
+       default ARCH_MESON
        select IRQ_DOMAIN_HIERARCHY
        help
          Support Meson SoC Family GPIO Interrupt Multiplexer
@@ -433,8 +434,9 @@
          for Goldfish based virtual platforms.
 
 config QCOM_PDC
-	bool "QCOM PDC"
+	tristate "QCOM PDC"
 	depends on ARCH_QCOM
+	depends on QCOM_SCM || !QCOM_SCM
 	select IRQ_DOMAIN_HIERARCHY
 	help
 	  Power Domain Controller driver to manage and configure wakeup
diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c
index b8a10f2e..afd6a18 100644
--- a/drivers/irqchip/irq-gic-common.c
+++ b/drivers/irqchip/irq-gic-common.c
@@ -12,19 +12,6 @@
 
 static DEFINE_RAW_SPINLOCK(irq_controller_lock);
 
-static const struct gic_kvm_info *gic_kvm_info;
-
-const struct gic_kvm_info *gic_get_kvm_info(void)
-{
-	return gic_kvm_info;
-}
-
-void gic_set_kvm_info(const struct gic_kvm_info *info)
-{
-	BUG_ON(gic_kvm_info != NULL);
-	gic_kvm_info = info;
-}
-
 void gic_enable_of_quirks(const struct device_node *np,
 			  const struct gic_quirk *quirks, void *data)
 {
diff --git a/drivers/irqchip/irq-gic-common.h b/drivers/irqchip/irq-gic-common.h
index b42572d..3db4592c 100644
--- a/drivers/irqchip/irq-gic-common.h
+++ b/drivers/irqchip/irq-gic-common.h
@@ -29,6 +29,4 @@
 void gic_enable_of_quirks(const struct device_node *np,
 			  const struct gic_quirk *quirks, void *data);
 
-void gic_set_kvm_info(const struct gic_kvm_info *info);
-
 #endif /* _IRQ_GIC_COMMON_H */
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index f1fa98e..3e3b09b 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -19,6 +19,7 @@
 #include <linux/list.h>
 #include <linux/log2.h>
 #include <linux/memblock.h>
+#include <linux/mem_encrypt.h>
 #include <linux/mm.h>
 #include <linux/msi.h>
 #include <linux/of.h>
@@ -27,6 +28,7 @@
 #include <linux/of_pci.h>
 #include <linux/of_platform.h>
 #include <linux/percpu.h>
+#include <linux/set_memory.h>
 #include <linux/slab.h>
 #include <linux/syscore_ops.h>
 
@@ -812,8 +814,13 @@
 
 	its_encode_alloc(cmd, alloc);
 
-	/* We can only signal PTZ when alloc==1. Why do we have two bits? */
-	its_encode_ptz(cmd, alloc);
+	/*
+	 * GICv4.1 provides a way to get the VLPI state, which needs the vPE
+	 * to be unmapped first, and in this case, we may remap the vPE
+	 * back while the VPT is not empty. So we can't assume that the
+	 * VPT is empty on map. This is why we never advertise PTZ.
+	 */
+	its_encode_ptz(cmd, false);
 	its_encode_vconf_addr(cmd, vconf_addr);
 	its_encode_vmapp_default_db(cmd, desc->its_vmapp_cmd.vpe->vpe_db_lpi);
 
@@ -2186,6 +2193,7 @@
 
 	/* Make sure the GIC will observe the written configuration */
 	gic_flush_dcache_to_poc(va, LPI_PROPBASE_SZ);
+	set_memory_decrypted((unsigned long)va, LPI_PROPBASE_SZ >> PAGE_SHIFT);
 }
 
 static struct page *its_allocate_prop_table(gfp_t gfp_flags)
@@ -2203,8 +2211,10 @@
 
 static void its_free_prop_table(struct page *prop_page)
 {
-	free_pages((unsigned long)page_address(prop_page),
-		   get_order(LPI_PROPBASE_SZ));
+	unsigned long va = (unsigned long)page_address(prop_page);
+
+	set_memory_encrypted(va, LPI_PROPBASE_SZ >> PAGE_SHIFT);
+	free_pages(va, get_order(LPI_PROPBASE_SZ));
 }
 
 static bool gic_check_reserved_range(phys_addr_t addr, unsigned long size)
@@ -2397,6 +2407,8 @@
 		return -ENXIO;
 	}
 
+	set_memory_decrypted((unsigned long)base,
+			     PAGE_ORDER_TO_SIZE(order) >> PAGE_SHIFT);
 	baser->order = order;
 	baser->base = base;
 	baser->psz = psz;
@@ -2532,8 +2544,12 @@
 
 	for (i = 0; i < GITS_BASER_NR_REGS; i++) {
 		if (its->tables[i].base) {
-			free_pages((unsigned long)its->tables[i].base,
-				   its->tables[i].order);
+			unsigned long base = (unsigned long)its->tables[i].base;
+			u32 order = its->tables[i].order;
+			u32 npages = PAGE_ORDER_TO_SIZE(order) >> PAGE_SHIFT;
+
+			set_memory_encrypted(base, npages);
+			free_pages(base, order);
 			its->tables[i].base = NULL;
 		}
 	}
@@ -2954,6 +2970,7 @@
 static struct page *its_allocate_pending_table(gfp_t gfp_flags)
 {
 	struct page *pend_page;
+	void *va;
 
 	pend_page = alloc_pages(gfp_flags | __GFP_ZERO,
 				get_order(LPI_PENDBASE_SZ));
@@ -2961,14 +2978,19 @@
 		return NULL;
 
 	/* Make sure the GIC will observe the zero-ed page */
-	gic_flush_dcache_to_poc(page_address(pend_page), LPI_PENDBASE_SZ);
+	va = page_address(pend_page);
+	gic_flush_dcache_to_poc(va, LPI_PENDBASE_SZ);
+	set_memory_decrypted((unsigned long)va, LPI_PENDBASE_SZ >> PAGE_SHIFT);
 
 	return pend_page;
 }
 
 static void its_free_pending_table(struct page *pt)
 {
-	free_pages((unsigned long)page_address(pt), get_order(LPI_PENDBASE_SZ));
+	unsigned long va = (unsigned long)page_address(pt);
+
+	set_memory_encrypted(va, LPI_PENDBASE_SZ >> PAGE_SHIFT);
+	free_pages(va, get_order(LPI_PENDBASE_SZ));
 }
 
 /*
@@ -3027,18 +3049,12 @@
 	return 0;
 }
 
-static u64 its_clear_vpend_valid(void __iomem *vlpi_base, u64 clr, u64 set)
+static u64 read_vpend_dirty_clear(void __iomem *vlpi_base)
 {
 	u32 count = 1000000;	/* 1s! */
 	bool clean;
 	u64 val;
 
-	val = gicr_read_vpendbaser(vlpi_base + GICR_VPENDBASER);
-	val &= ~GICR_VPENDBASER_Valid;
-	val &= ~clr;
-	val |= set;
-	gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
-
 	do {
 		val = gicr_read_vpendbaser(vlpi_base + GICR_VPENDBASER);
 		clean = !(val & GICR_VPENDBASER_Dirty);
@@ -3049,10 +3065,26 @@
 		}
 	} while (!clean && count);
 
-	if (unlikely(val & GICR_VPENDBASER_Dirty)) {
+	if (unlikely(!clean))
 		pr_err_ratelimited("ITS virtual pending table not cleaning\n");
+
+	return val;
+}
+
+static u64 its_clear_vpend_valid(void __iomem *vlpi_base, u64 clr, u64 set)
+{
+	u64 val;
+
+	/* Make sure we wait until the RD is done with the initial scan */
+	val = read_vpend_dirty_clear(vlpi_base);
+	val &= ~GICR_VPENDBASER_Valid;
+	val &= ~clr;
+	val |= set;
+	gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
+
+	val = read_vpend_dirty_clear(vlpi_base);
+	if (unlikely(val & GICR_VPENDBASER_Dirty))
 		val |= GICR_VPENDBASER_PendingLast;
-	}
 
 	return val;
 }
@@ -3288,14 +3320,20 @@
 
 	/* Allocate memory for 2nd level table */
 	if (!table[idx]) {
+		void *l2addr;
+
 		page = alloc_pages_node(its->numa_node, GFP_KERNEL | __GFP_ZERO,
 					get_order(baser->psz));
 		if (!page)
 			return false;
 
+		l2addr = page_address(page);
+		set_memory_decrypted((unsigned long)l2addr,
+				     baser->psz >> PAGE_SHIFT);
+
 		/* Flush Lvl2 table to PoC if hw doesn't support coherency */
 		if (!(baser->val & GITS_BASER_SHAREABILITY_MASK))
-			gic_flush_dcache_to_poc(page_address(page), baser->psz);
+			gic_flush_dcache_to_poc(l2addr, baser->psz);
 
 		table[idx] = cpu_to_le64(page_to_phys(page) | GITS_BASER_VALID);
 
@@ -3866,8 +3904,6 @@
 	val |= vpe->idai ? GICR_VPENDBASER_IDAI : 0;
 	val |= GICR_VPENDBASER_Valid;
 	gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
-
-	its_wait_vpt_parse_complete();
 }
 
 static void its_vpe_deschedule(struct its_vpe *vpe)
@@ -3915,6 +3951,10 @@
 		its_vpe_deschedule(vpe);
 		return 0;
 
+	case COMMIT_VPE:
+		its_wait_vpt_parse_complete();
+		return 0;
+
 	case INVALL_VPE:
 		its_vpe_invall(vpe);
 		return 0;
@@ -4068,8 +4108,6 @@
 	val |= FIELD_PREP(GICR_VPENDBASER_4_1_VPEID, vpe->vpe_id);
 
 	gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
-
-	its_wait_vpt_parse_complete();
 }
 
 static void its_vpe_4_1_deschedule(struct its_vpe *vpe,
@@ -4144,6 +4182,10 @@
 		its_vpe_4_1_deschedule(vpe, info);
 		return 0;
 
+	case COMMIT_VPE:
+		its_wait_vpt_parse_complete();
+		return 0;
+
 	case INVALL_VPE:
 		its_vpe_4_1_invall(vpe);
 		return 0;
@@ -4564,6 +4606,15 @@
 
 		its_send_vmapp(its, vpe, false);
 	}
+
+	/*
+	 * There may be a direct read to the VPT after unmapping the
+	 * vPE, to guarantee the validity of this, we make the VPT
+	 * memory coherent with the CPU caches here.
+	 */
+	if (find_4_1_its() && !atomic_read(&vpe->vmapp_count))
+		gic_flush_dcache_to_poc(page_address(vpe->vpt_page),
+					LPI_PENDBASE_SZ);
 }
 
 static const struct irq_domain_ops its_vpe_domain_ops = {
@@ -5041,6 +5092,8 @@
 	its->fwnode_handle = handle;
 	its->get_msi_base = its_irq_get_msi_base;
 	its->msi_domain_flags = IRQ_DOMAIN_FLAG_MSI_REMAP;
+	set_memory_decrypted((unsigned long)its->cmd_base,
+			     ITS_CMD_QUEUE_SZ >> PAGE_SHIFT);
 
 	its_enable_quirks(its);
 
@@ -5097,6 +5150,8 @@
 out_free_tables:
 	its_free_tables(its);
 out_free_cmd:
+	set_memory_encrypted((unsigned long)its->cmd_base,
+			     ITS_CMD_QUEUE_SZ >> PAGE_SHIFT);
 	free_pages((unsigned long)its->cmd_base, get_order(ITS_CMD_QUEUE_SZ));
 out_unmap_sgir:
 	if (its->sgir_base)
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index c1f8c1b..924e6d2 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -18,6 +18,10 @@
 #include <linux/percpu.h>
 #include <linux/refcount.h>
 #include <linux/slab.h>
+#include <linux/syscore_ops.h>
+#include <linux/wakeup_reason.h>
+#include <trace/hooks/gic_v3.h>
+
 
 #include <linux/irqchip.h>
 #include <linux/irqchip/arm-gic-common.h>
@@ -29,6 +33,8 @@
 #include <asm/smp_plat.h>
 #include <asm/virt.h>
 
+#include <trace/hooks/gic.h>
+
 #include "irq-gic-common.h"
 
 #define GICD_INT_NMI_PRI	(GICD_INT_DEF_PRI & ~0x80)
@@ -36,6 +42,7 @@
 #define FLAGS_WORKAROUND_GICR_WAKER_MSM8996	(1ULL << 0)
 #define FLAGS_WORKAROUND_CAVIUM_ERRATUM_38539	(1ULL << 1)
 #define FLAGS_WORKAROUND_MTK_GICR_SAVE		(1ULL << 2)
+#define FLAGS_WORKAROUND_ASR_ERRATUM_8601001	(1ULL << 3)
 
 #define GIC_IRQ_TYPE_PARTITION	(GIC_IRQ_TYPE_LPI + 1)
 
@@ -45,20 +52,6 @@
 	bool			single_redist;
 };
 
-struct gic_chip_data {
-	struct fwnode_handle	*fwnode;
-	void __iomem		*dist_base;
-	struct redist_region	*redist_regions;
-	struct rdists		rdists;
-	struct irq_domain	*domain;
-	u64			redist_stride;
-	u32			nr_redist_regions;
-	u64			flags;
-	bool			has_rss;
-	unsigned int		ppi_nr;
-	struct partition_desc	**ppi_descs;
-};
-
 static struct gic_chip_data gic_data __read_mostly;
 static DEFINE_STATIC_KEY_TRUE(supports_deactivate_key);
 
@@ -125,7 +118,7 @@
 /* ppi_nmi_refs[n] == number of cpus having ppi[n + 16] set as NMI */
 static refcount_t *ppi_nmi_refs;
 
-static struct gic_kvm_info gic_v3_kvm_info;
+static struct gic_kvm_info gic_v3_kvm_info __initdata;
 static DEFINE_PER_CPU(bool, has_rss);
 
 #define MPIDR_RS(mpidr)			(((mpidr) & 0xF0UL) >> 4)
@@ -618,10 +611,16 @@
 	return 0;
 }
 
-static u64 gic_mpidr_to_affinity(unsigned long mpidr)
+static u64 gic_cpu_to_affinity(int cpu)
 {
+	u64 mpidr = cpu_logical_map(cpu);
 	u64 aff;
 
+	/* ASR8601 needs to have its affinities shifted down... */
+	if (unlikely(gic_data.flags & FLAGS_WORKAROUND_ASR_ERRATUM_8601001))
+		mpidr = (MPIDR_AFFINITY_LEVEL(mpidr, 1)	|
+			 (MPIDR_AFFINITY_LEVEL(mpidr, 2) << 8));
+
 	aff = ((u64)MPIDR_AFFINITY_LEVEL(mpidr, 3) << 32 |
 	       MPIDR_AFFINITY_LEVEL(mpidr, 2) << 16 |
 	       MPIDR_AFFINITY_LEVEL(mpidr, 1) << 8  |
@@ -726,6 +725,7 @@
 
 	if (handle_domain_irq(gic_data.domain, irqnr, regs)) {
 		WARN_ONCE(true, "Unexpected interrupt received!\n");
+		log_abnormal_wakeup_reason("unexpected HW IRQ %u", irqnr);
 		gic_deactivate_unhandled(irqnr);
 	}
 }
@@ -819,12 +819,16 @@
 	 * Set all global interrupts to the boot CPU only. ARE must be
 	 * enabled.
 	 */
-	affinity = gic_mpidr_to_affinity(cpu_logical_map(smp_processor_id()));
-	for (i = 32; i < GIC_LINE_NR; i++)
+	affinity = gic_cpu_to_affinity(smp_processor_id());
+	for (i = 32; i < GIC_LINE_NR; i++) {
+		trace_android_vh_gic_v3_affinity_init(i, GICD_IROUTER, &affinity);
 		gic_write_irouter(affinity, base + GICD_IROUTER + i * 8);
+	}
 
-	for (i = 0; i < GIC_ESPI_NR; i++)
+	for (i = 0; i < GIC_ESPI_NR; i++) {
+		trace_android_vh_gic_v3_affinity_init(i, GICD_IROUTERnE, &affinity);
 		gic_write_irouter(affinity, base + GICD_IROUTERnE + i * 8);
+	}
 }
 
 static int gic_iterate_rdists(int (*fn)(struct redist_region *, void __iomem *))
@@ -868,7 +872,7 @@
 
 static int __gic_populate_rdist(struct redist_region *region, void __iomem *ptr)
 {
-	unsigned long mpidr = cpu_logical_map(smp_processor_id());
+	unsigned long mpidr;
 	u64 typer;
 	u32 aff;
 
@@ -876,6 +880,8 @@
 	 * Convert affinity to a 32bit value that can be matched to
 	 * GICR_TYPER bits [63:32].
 	 */
+	mpidr = gic_cpu_to_affinity(smp_processor_id());
+
 	aff = (MPIDR_AFFINITY_LEVEL(mpidr, 3) << 24 |
 	       MPIDR_AFFINITY_LEVEL(mpidr, 2) << 16 |
 	       MPIDR_AFFINITY_LEVEL(mpidr, 1) << 8 |
@@ -975,7 +981,7 @@
 static void gic_cpu_sys_reg_init(void)
 {
 	int i, cpu = smp_processor_id();
-	u64 mpidr = cpu_logical_map(cpu);
+	u64 mpidr = gic_cpu_to_affinity(cpu);
 	u64 need_rss = MPIDR_RS(mpidr);
 	bool group0;
 	u32 pribits;
@@ -1074,11 +1080,11 @@
 	for_each_online_cpu(i) {
 		bool have_rss = per_cpu(has_rss, i) && per_cpu(has_rss, cpu);
 
-		need_rss |= MPIDR_RS(cpu_logical_map(i));
+		need_rss |= MPIDR_RS(gic_cpu_to_affinity(i));
 		if (need_rss && (!have_rss))
 			pr_crit("CPU%d (%lx) can't SGI CPU%d (%lx), no RSS\n",
 				cpu, (unsigned long)mpidr,
-				i, (unsigned long)cpu_logical_map(i));
+				i, (unsigned long)gic_cpu_to_affinity(i));
 	}
 
 	/**
@@ -1154,9 +1160,11 @@
 				   unsigned long cluster_id)
 {
 	int next_cpu, cpu = *base_cpu;
-	unsigned long mpidr = cpu_logical_map(cpu);
+	unsigned long mpidr;
 	u16 tlist = 0;
 
+	mpidr = gic_cpu_to_affinity(cpu);
+
 	while (cpu < nr_cpu_ids) {
 		tlist |= 1 << (mpidr & 0xf);
 
@@ -1165,7 +1173,7 @@
 			goto out;
 		cpu = next_cpu;
 
-		mpidr = cpu_logical_map(cpu);
+		mpidr = gic_cpu_to_affinity(cpu);
 
 		if (cluster_id != MPIDR_TO_SGI_CLUSTER_ID(mpidr)) {
 			cpu--;
@@ -1210,7 +1218,7 @@
 	wmb();
 
 	for_each_cpu(cpu, mask) {
-		u64 cluster_id = MPIDR_TO_SGI_CLUSTER_ID(cpu_logical_map(cpu));
+		u64 cluster_id = MPIDR_TO_SGI_CLUSTER_ID(gic_cpu_to_affinity(cpu));
 		u16 tlist;
 
 		tlist = gic_compute_target_list(&cpu, mask, cluster_id);
@@ -1270,8 +1278,9 @@
 
 	offset = convert_offset_index(d, GICD_IROUTER, &index);
 	reg = gic_dist_base(d) + offset + (index * 8);
-	val = gic_mpidr_to_affinity(cpu_logical_map(cpu));
+	val = gic_cpu_to_affinity(cpu);
 
+	trace_android_rvh_gic_v3_set_affinity(d, mask_val, &val, force, gic_dist_base(d));
 	gic_write_irouter(val, reg);
 
 	/*
@@ -1326,6 +1335,28 @@
 static inline void gic_cpu_pm_init(void) { }
 #endif /* CONFIG_CPU_PM */
 
+#ifdef CONFIG_PM
+void gic_resume(void)
+{
+	trace_android_vh_gic_resume(&gic_data);
+}
+EXPORT_SYMBOL_GPL(gic_resume);
+
+static struct syscore_ops gic_syscore_ops = {
+	.resume = gic_resume,
+};
+
+static void gic_syscore_init(void)
+{
+	register_syscore_ops(&gic_syscore_ops);
+}
+
+#else
+static inline void gic_syscore_init(void) { }
+void gic_resume(void) { }
+#endif
+
+
 static struct irq_chip gic_chip = {
 	.name			= "GICv3",
 	.irq_mask		= gic_mask_irq,
@@ -1626,6 +1657,15 @@
 	return false;
 }
 
+static bool gic_enable_quirk_asr8601(void *data)
+{
+	struct gic_chip_data *d = data;
+
+	d->flags |= FLAGS_WORKAROUND_ASR_ERRATUM_8601001;
+
+	return true;
+}
+
 static const struct gic_quirk gic_quirks[] = {
 	{
 		.desc	= "GICv3: Qualcomm MSM8996 broken firmware",
@@ -1638,6 +1678,11 @@
 		.init	= gic_enable_quirk_mtk_gicr,
 	},
 	{
+		.desc	= "GICv3: ASR erratum 8601001",
+		.compatible = "asr,asr8601-gic-v3",
+		.init	= gic_enable_quirk_asr8601,
+	},
+	{
 		.desc	= "GICv3: HIP06 erratum 161010803",
 		.iidr	= 0x0204043b,
 		.mask	= 0xffffffff,
@@ -1807,6 +1852,7 @@
 	gic_cpu_init();
 	gic_smp_init();
 	gic_cpu_pm_init();
+	gic_syscore_init();
 
 	if (gic_dist_supports_lpis()) {
 		its_init(handle, &gic_data.rdists, gic_data.domain);
@@ -1958,7 +2004,7 @@
 
 	gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis;
 	gic_v3_kvm_info.has_v4_1 = gic_data.rdists.has_rvpeid;
-	gic_set_kvm_info(&gic_v3_kvm_info);
+	vgic_set_kvm_info(&gic_v3_kvm_info);
 }
 
 static int __init gic_of_init(struct device_node *node, struct device_node *parent)
@@ -2274,7 +2320,7 @@
 
 	gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis;
 	gic_v3_kvm_info.has_v4_1 = gic_data.rdists.has_rvpeid;
-	gic_set_kvm_info(&gic_v3_kvm_info);
+	vgic_set_kvm_info(&gic_v3_kvm_info);
 }
 
 static int __init
diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c
index 0c18714ae..5d1dc99 100644
--- a/drivers/irqchip/irq-gic-v4.c
+++ b/drivers/irqchip/irq-gic-v4.c
@@ -232,6 +232,8 @@
 	if (!ret)
 		vpe->resident = false;
 
+	vpe->ready = false;
+
 	return ret;
 }
 
@@ -258,6 +260,23 @@
 	return ret;
 }
 
+int its_commit_vpe(struct its_vpe *vpe)
+{
+	struct its_cmd_info info = {
+		.cmd_type = COMMIT_VPE,
+	};
+	int ret;
+
+	WARN_ON(preemptible());
+
+	ret = its_send_vpe_cmd(vpe, &info);
+	if (!ret)
+		vpe->ready = true;
+
+	return ret;
+}
+
+
 int its_invall_vpe(struct its_vpe *vpe)
 {
 	struct its_cmd_info info = {
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 205cbd2..b23a7e6 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -121,7 +121,7 @@
 
 static struct gic_chip_data gic_data[CONFIG_ARM_GIC_MAX_NR] __read_mostly;
 
-static struct gic_kvm_info gic_v2_kvm_info;
+static struct gic_kvm_info gic_v2_kvm_info __initdata;
 
 static DEFINE_PER_CPU(u32, sgi_intid);
 
@@ -1513,7 +1513,7 @@
 		return;
 
 	if (static_branch_likely(&supports_deactivate_key))
-		gic_set_kvm_info(&gic_v2_kvm_info);
+		vgic_set_kvm_info(&gic_v2_kvm_info);
 }
 
 int __init
@@ -1680,7 +1680,7 @@
 
 	gic_v2_kvm_info.maint_irq = irq;
 
-	gic_set_kvm_info(&gic_v2_kvm_info);
+	vgic_set_kvm_info(&gic_v2_kvm_info);
 }
 
 static int __init gic_v2_acpi_init(union acpi_subtable_headers *header,
diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c
index e50676c..cfc5cf5 100644
--- a/drivers/irqchip/irq-meson-gpio.c
+++ b/drivers/irqchip/irq-meson-gpio.c
@@ -15,6 +15,7 @@
 #include <linux/irqchip.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/of_irq.h>
 
 #define NUM_CHANNEL 8
 #define MAX_INPUT_MUX 256
@@ -136,6 +137,7 @@
 struct meson_gpio_irq_controller {
 	const struct meson_gpio_irq_params *params;
 	void __iomem *base;
+	struct irq_domain *domain;
 	u32 channel_irqs[NUM_CHANNEL];
 	DECLARE_BITMAP(channel_map, NUM_CHANNEL);
 	spinlock_t lock;
@@ -436,8 +438,8 @@
 	.translate	= meson_gpio_irq_domain_translate,
 };
 
-static int __init meson_gpio_irq_parse_dt(struct device_node *node,
-					  struct meson_gpio_irq_controller *ctl)
+static int meson_gpio_irq_parse_dt(struct device_node *node,
+				   struct meson_gpio_irq_controller *ctl)
 {
 	const struct of_device_id *match;
 	int ret;
@@ -463,63 +465,84 @@
 	return 0;
 }
 
-static int __init meson_gpio_irq_of_init(struct device_node *node,
-					 struct device_node *parent)
+static int meson_gpio_intc_probe(struct platform_device *pdev)
 {
-	struct irq_domain *domain, *parent_domain;
+	struct device_node *node = pdev->dev.of_node, *parent;
 	struct meson_gpio_irq_controller *ctl;
+	struct irq_domain *parent_domain;
+	struct resource *res;
 	int ret;
 
+	parent = of_irq_find_parent(node);
 	if (!parent) {
-		pr_err("missing parent interrupt node\n");
+		dev_err(&pdev->dev, "missing parent interrupt node\n");
 		return -ENODEV;
 	}
 
 	parent_domain = irq_find_host(parent);
 	if (!parent_domain) {
-		pr_err("unable to obtain parent domain\n");
+		dev_err(&pdev->dev, "unable to obtain parent domain\n");
 		return -ENXIO;
 	}
 
-	ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
+	ctl = devm_kzalloc(&pdev->dev, sizeof(*ctl), GFP_KERNEL);
 	if (!ctl)
 		return -ENOMEM;
 
 	spin_lock_init(&ctl->lock);
 
-	ctl->base = of_iomap(node, 0);
-	if (!ctl->base) {
-		ret = -ENOMEM;
-		goto free_ctl;
-	}
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	ctl->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ctl->base))
+		return PTR_ERR(ctl->base);
 
 	ret = meson_gpio_irq_parse_dt(node, ctl);
 	if (ret)
-		goto free_channel_irqs;
+		return ret;
 
-	domain = irq_domain_create_hierarchy(parent_domain, 0,
-					     ctl->params->nr_hwirq,
-					     of_node_to_fwnode(node),
-					     &meson_gpio_irq_domain_ops,
-					     ctl);
-	if (!domain) {
-		pr_err("failed to add domain\n");
-		ret = -ENODEV;
-		goto free_channel_irqs;
+	ctl->domain = irq_domain_create_hierarchy(parent_domain, 0,
+						  ctl->params->nr_hwirq,
+						  of_node_to_fwnode(node),
+						  &meson_gpio_irq_domain_ops,
+						  ctl);
+	if (!ctl->domain) {
+		dev_err(&pdev->dev, "failed to add domain\n");
+		return -ENODEV;
 	}
 
-	pr_info("%d to %d gpio interrupt mux initialized\n",
-		ctl->params->nr_hwirq, NUM_CHANNEL);
+	platform_set_drvdata(pdev, ctl);
+
+	dev_info(&pdev->dev, "%d to %d gpio interrupt mux initialized\n",
+		 ctl->params->nr_hwirq, NUM_CHANNEL);
 
 	return 0;
-
-free_channel_irqs:
-	iounmap(ctl->base);
-free_ctl:
-	kfree(ctl);
-
-	return ret;
 }
 
-IRQCHIP_DECLARE(meson_gpio_intc, "amlogic,meson-gpio-intc",
-		meson_gpio_irq_of_init);
+static int meson_gpio_intc_remove(struct platform_device *pdev)
+{
+	struct meson_gpio_irq_controller *ctl = platform_get_drvdata(pdev);
+
+	irq_domain_remove(ctl->domain);
+
+	return 0;
+}
+
+static const struct of_device_id meson_gpio_intc_of_match[] = {
+	{ .compatible = "amlogic,meson-gpio-intc", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, meson_gpio_intc_of_match);
+
+static struct platform_driver meson_gpio_intc_driver = {
+	.probe  = meson_gpio_intc_probe,
+	.remove = meson_gpio_intc_remove,
+	.driver = {
+		.name = "meson-gpio-intc",
+		.of_match_table = meson_gpio_intc_of_match,
+	},
+};
+module_platform_driver(meson_gpio_intc_driver);
+
+MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:meson-gpio-intc");
diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
index fc747b7..1530cce 100644
--- a/drivers/irqchip/qcom-pdc.c
+++ b/drivers/irqchip/qcom-pdc.c
@@ -11,14 +11,18 @@
 #include <linux/irqdomain.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_device.h>
+#include <linux/of_irq.h>
 #include <linux/soc/qcom/irq.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/types.h>
 
+#include <linux/qcom_scm.h>
+
 #define PDC_MAX_IRQS		168
 #define PDC_MAX_GPIO_IRQS	256
 
@@ -36,10 +40,20 @@
 	u32 cnt;
 };
 
+struct spi_cfg_regs {
+	union {
+		u64 start;
+		void __iomem *base;
+	};
+	resource_size_t size;
+	bool scm_io;
+};
+
 static DEFINE_RAW_SPINLOCK(pdc_lock);
 static void __iomem *pdc_base;
 static struct pdc_pin_region *pdc_region;
 static int pdc_region_cnt;
+static struct spi_cfg_regs *spi_cfg;
 
 static void pdc_reg_write(int reg, u32 i, u32 val)
 {
@@ -122,6 +136,57 @@
 	irq_chip_unmask_parent(d);
 }
 
+static u32 __spi_pin_read(unsigned int pin)
+{
+	void __iomem *cfg_reg = spi_cfg->base + pin * 4;
+	u64 scm_cfg_reg = spi_cfg->start + pin * 4;
+
+	if (spi_cfg->scm_io) {
+		unsigned int val;
+
+		qcom_scm_io_readl(scm_cfg_reg, &val);
+		return val;
+	} else {
+		return readl(cfg_reg);
+	}
+}
+
+static void __spi_pin_write(unsigned int pin, unsigned int val)
+{
+	void __iomem *cfg_reg = spi_cfg->base + pin * 4;
+	u64 scm_cfg_reg = spi_cfg->start + pin * 4;
+
+	if (spi_cfg->scm_io)
+		qcom_scm_io_writel(scm_cfg_reg, val);
+	else
+		writel(val, cfg_reg);
+}
+
+static int spi_configure_type(irq_hw_number_t hwirq, unsigned int type)
+{
+	int spi = hwirq - 32;
+	u32 pin = spi / 32;
+	u32 mask = BIT(spi % 32);
+	u32 val;
+	unsigned long flags;
+
+	if (!spi_cfg)
+		return 0;
+
+	if (pin * 4 > spi_cfg->size)
+		return -EFAULT;
+
+	raw_spin_lock_irqsave(&pdc_lock, flags);
+	val = __spi_pin_read(pin);
+	val &= ~mask;
+	if (type & IRQ_TYPE_LEVEL_MASK)
+		val |= mask;
+	__spi_pin_write(pin, val);
+	raw_spin_unlock_irqrestore(&pdc_lock, flags);
+
+	return 0;
+}
+
 /*
  * GIC does not handle falling edge or active low. To allow falling edge and
  * active low interrupts to be handled at GIC, PDC has an inverter that inverts
@@ -159,6 +224,7 @@
 static int qcom_pdc_gic_set_type(struct irq_data *d, unsigned int type)
 {
 	int pin_out = d->hwirq;
+	int parent_hwirq = d->parent_data->hwirq;
 	enum pdc_irq_config_bits pdc_type;
 	enum pdc_irq_config_bits old_pdc_type;
 	int ret;
@@ -193,6 +259,11 @@
 	old_pdc_type = pdc_reg_read(IRQ_i_CFG, pin_out);
 	pdc_reg_write(IRQ_i_CFG, pin_out, pdc_type);
 
+	/* Additionally, configure (only) the GPIO in the f/w */
+	ret = spi_configure_type(parent_hwirq, type);
+	if (ret)
+		return ret;
+
 	ret = irq_chip_set_type_parent(d, type);
 	if (ret)
 		return ret;
@@ -407,6 +478,7 @@
 static int qcom_pdc_init(struct device_node *node, struct device_node *parent)
 {
 	struct irq_domain *parent_domain, *pdc_domain, *pdc_gpio_domain;
+	struct resource res;
 	int ret;
 
 	pdc_base = of_iomap(node, 0);
@@ -437,6 +509,27 @@
 		goto fail;
 	}
 
+	ret = of_address_to_resource(node, 1, &res);
+	if (!ret) {
+		spi_cfg = kcalloc(1, sizeof(*spi_cfg), GFP_KERNEL);
+		if (!spi_cfg) {
+			ret = -ENOMEM;
+			goto remove;
+		}
+		spi_cfg->scm_io = of_find_property(node,
+						   "qcom,scm-spi-cfg", NULL);
+		spi_cfg->size = resource_size(&res);
+		if (spi_cfg->scm_io) {
+			spi_cfg->start = res.start;
+		} else {
+			spi_cfg->base = ioremap(res.start, spi_cfg->size);
+			if (!spi_cfg->base) {
+				ret = -ENOMEM;
+				goto remove;
+			}
+		}
+	}
+
 	pdc_gpio_domain = irq_domain_create_hierarchy(parent_domain,
 					IRQ_DOMAIN_FLAG_QCOM_PDC_WAKEUP,
 					PDC_MAX_GPIO_IRQS,
@@ -454,10 +547,35 @@
 
 remove:
 	irq_domain_remove(pdc_domain);
+	kfree(spi_cfg);
 fail:
 	kfree(pdc_region);
 	iounmap(pdc_base);
 	return ret;
 }
 
-IRQCHIP_DECLARE(qcom_pdc, "qcom,pdc", qcom_pdc_init);
+static int qcom_pdc_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct device_node *parent = of_irq_find_parent(np);
+
+	return qcom_pdc_init(np, parent);
+}
+
+static const struct of_device_id qcom_pdc_match_table[] = {
+	{ .compatible = "qcom,pdc" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, qcom_pdc_match_table);
+
+static struct platform_driver qcom_pdc_driver = {
+	.probe = qcom_pdc_probe,
+	.driver = {
+		.name = "qcom-pdc",
+		.of_match_table = qcom_pdc_match_table,
+		.suppress_bind_attrs = true,
+	},
+};
+module_platform_driver(qcom_pdc_driver);
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Power Domain Controller");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 4229b9b..3e7d4b2 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -82,11 +82,11 @@
 exit:
 	spin_unlock_irqrestore(&chan->lock, flags);
 
+	/* kick start the timer immediately to avoid delays */
 	if (!err && (chan->txdone_method & TXDONE_BY_POLL)) {
-		/* kick start the timer immediately to avoid delays */
-		spin_lock_irqsave(&chan->mbox->poll_hrt_lock, flags);
-		hrtimer_start(&chan->mbox->poll_hrt, 0, HRTIMER_MODE_REL);
-		spin_unlock_irqrestore(&chan->mbox->poll_hrt_lock, flags);
+		/* but only if not already active */
+		if (!hrtimer_active(&chan->mbox->poll_hrt))
+			hrtimer_start(&chan->mbox->poll_hrt, 0, HRTIMER_MODE_REL);
 	}
 }
 
@@ -120,26 +120,20 @@
 		container_of(hrtimer, struct mbox_controller, poll_hrt);
 	bool txdone, resched = false;
 	int i;
-	unsigned long flags;
 
 	for (i = 0; i < mbox->num_chans; i++) {
 		struct mbox_chan *chan = &mbox->chans[i];
 
 		if (chan->active_req && chan->cl) {
+			resched = true;
 			txdone = chan->mbox->ops->last_tx_done(chan);
 			if (txdone)
 				tx_tick(chan, 0);
-			else
-				resched = true;
 		}
 	}
 
 	if (resched) {
-		spin_lock_irqsave(&mbox->poll_hrt_lock, flags);
-		if (!hrtimer_is_queued(hrtimer))
-			hrtimer_forward_now(hrtimer, ms_to_ktime(mbox->txpoll_period));
-		spin_unlock_irqrestore(&mbox->poll_hrt_lock, flags);
-
+		hrtimer_forward_now(hrtimer, ms_to_ktime(mbox->txpoll_period));
 		return HRTIMER_RESTART;
 	}
 	return HRTIMER_NORESTART;
@@ -506,7 +500,6 @@
 		hrtimer_init(&mbox->poll_hrt, CLOCK_MONOTONIC,
 			     HRTIMER_MODE_REL);
 		mbox->poll_hrt.function = txdone_hrtimer;
-		spin_lock_init(&mbox->poll_hrt_lock);
 	}
 
 	for (i = 0; i < mbox->num_chans; i++) {
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 2cefb07..7b335da 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -286,6 +286,27 @@
 
 	  If unsure, say N.
 
+config DM_DEFAULT_KEY
+	tristate "Default-key target support"
+	depends on BLK_DEV_DM
+	depends on BLK_INLINE_ENCRYPTION
+	# dm-default-key doesn't require -o inlinecrypt, but it does currently
+	# rely on the inline encryption hooks being built into the kernel.
+	depends on FS_ENCRYPTION_INLINE_CRYPT
+	help
+	  This device-mapper target allows you to create a device that
+	  assigns a default encryption key to bios that aren't for the
+	  contents of an encrypted file.
+
+	  This ensures that all blocks on-disk will be encrypted with
+	  some key, without the performance hit of file contents being
+	  encrypted twice when fscrypt (File-Based Encryption) is used.
+
+	  It is only appropriate to use dm-default-key when key
+	  configuration is tightly controlled, like it is in Android,
+	  such that all fscrypt keys are at least as hard to compromise
+	  as the default key.
+
 config DM_SNAPSHOT
        tristate "Snapshot target"
        depends on BLK_DEV_DM
@@ -619,4 +640,30 @@
 
 	  If unsure, say N.
 
+config DM_BOW
+	tristate "Backup block device"
+	depends on BLK_DEV_DM
+	select DM_BUFIO
+	help
+	  This device-mapper target takes a device and keeps a log of all
+	  changes using free blocks identified by issuing a trim command.
+	  This can then be restored by running a command line utility,
+	  or committed by simply replacing the target.
+
+	  If unsure, say N.
+
+config DM_USER
+	tristate "Block device in userspace"
+	depends on BLK_DEV_DM
+	default y
+	help
+	  This device-mapper target allows a userspace daemon to provide the
+	  contents of a block device.  See
+	  <file:Documentation/block/dm-user.rst> for more information.
+
+	  To compile this code as a module, choose M here: the module will be
+	  called dm-user.
+
+	  If unsure, say N.
+
 endif # MD
diff --git a/drivers/md/Makefile b/drivers/md/Makefile
index 6d3e234..848c0ab 100644
--- a/drivers/md/Makefile
+++ b/drivers/md/Makefile
@@ -52,6 +52,7 @@
 obj-$(CONFIG_DM_BUFIO)		+= dm-bufio.o
 obj-$(CONFIG_DM_BIO_PRISON)	+= dm-bio-prison.o
 obj-$(CONFIG_DM_CRYPT)		+= dm-crypt.o
+obj-$(CONFIG_DM_DEFAULT_KEY)	+= dm-default-key.o
 obj-$(CONFIG_DM_DELAY)		+= dm-delay.o
 obj-$(CONFIG_DM_DUST)		+= dm-dust.o
 obj-$(CONFIG_DM_FLAKEY)		+= dm-flakey.o
@@ -77,6 +78,8 @@
 obj-$(CONFIG_DM_INTEGRITY)	+= dm-integrity.o
 obj-$(CONFIG_DM_ZONED)		+= dm-zoned.o
 obj-$(CONFIG_DM_WRITECACHE)	+= dm-writecache.o
+obj-$(CONFIG_DM_BOW)		+= dm-bow.o
+obj-$(CONFIG_DM_USER)		+= dm-user.o
 
 ifeq ($(CONFIG_DM_INIT),y)
 dm-mod-objs			+= dm-init.o
diff --git a/drivers/md/dm-bow.c b/drivers/md/dm-bow.c
new file mode 100644
index 0000000..2e95d61
--- /dev/null
+++ b/drivers/md/dm-bow.c
@@ -0,0 +1,1304 @@
+/*
+ * Copyright (C) 2018 Google Limited.
+ *
+ * This file is released under the GPL.
+ */
+
+#include "dm.h"
+#include "dm-core.h"
+
+#include <linux/crc32.h>
+#include <linux/dm-bufio.h>
+#include <linux/module.h>
+
+#define DM_MSG_PREFIX "bow"
+
+struct log_entry {
+	u64 source;
+	u64 dest;
+	u32 size;
+	u32 checksum;
+} __packed;
+
+struct log_sector {
+	u32 magic;
+	u16 header_version;
+	u16 header_size;
+	u32 block_size;
+	u32 count;
+	u32 sequence;
+	sector_t sector0;
+	struct log_entry entries[];
+} __packed;
+
+/*
+ * MAGIC is BOW in ascii
+ */
+#define MAGIC 0x00574f42
+#define HEADER_VERSION 0x0100
+
+/*
+ * A sorted set of ranges representing the state of the data on the device.
+ * Use an rb_tree for fast lookup of a given sector
+ * Consecutive ranges are always of different type - operations on this
+ * set must merge matching consecutive ranges.
+ *
+ * Top range is always of type TOP
+ */
+struct bow_range {
+	struct rb_node		node;
+	sector_t		sector;
+	enum {
+		INVALID,	/* Type not set */
+		SECTOR0,	/* First sector - holds log record */
+		SECTOR0_CURRENT,/* Live contents of sector0 */
+		UNCHANGED,	/* Original contents */
+		TRIMMED,	/* Range has been trimmed */
+		CHANGED,	/* Range has been changed */
+		BACKUP,		/* Range is being used as a backup */
+		TOP,		/* Final range - sector is size of device */
+	} type;
+	struct list_head	trimmed_list; /* list of TRIMMED ranges */
+};
+
+static const char * const readable_type[] = {
+	"Invalid",
+	"Sector0",
+	"Sector0_current",
+	"Unchanged",
+	"Free",
+	"Changed",
+	"Backup",
+	"Top",
+};
+
+enum state {
+	TRIM,
+	CHECKPOINT,
+	COMMITTED,
+};
+
+struct bow_context {
+	struct dm_dev *dev;
+	u32 block_size;
+	u32 block_shift;
+	struct workqueue_struct *workqueue;
+	struct dm_bufio_client *bufio;
+	struct mutex ranges_lock; /* Hold to access this struct and/or ranges */
+	struct rb_root ranges;
+	struct dm_kobject_holder kobj_holder;	/* for sysfs attributes */
+	atomic_t state; /* One of the enum state values above */
+	u64 trims_total;
+	struct log_sector *log_sector;
+	struct list_head trimmed_list;
+	bool forward_trims;
+};
+
+sector_t range_top(struct bow_range *br)
+{
+	return container_of(rb_next(&br->node), struct bow_range, node)
+		->sector;
+}
+
+u64 range_size(struct bow_range *br)
+{
+	return (range_top(br) - br->sector) * SECTOR_SIZE;
+}
+
+static sector_t bvec_top(struct bvec_iter *bi_iter)
+{
+	return bi_iter->bi_sector + bi_iter->bi_size / SECTOR_SIZE;
+}
+
+/*
+ * Find the first range that overlaps with bi_iter
+ * bi_iter is set to the size of the overlapping sub-range
+ */
+static struct bow_range *find_first_overlapping_range(struct rb_root *ranges,
+						      struct bvec_iter *bi_iter)
+{
+	struct rb_node *node = ranges->rb_node;
+	struct bow_range *br;
+
+	while (node) {
+		br = container_of(node, struct bow_range, node);
+
+		if (br->sector <= bi_iter->bi_sector
+		    && bi_iter->bi_sector < range_top(br))
+			break;
+
+		if (bi_iter->bi_sector < br->sector)
+			node = node->rb_left;
+		else
+			node = node->rb_right;
+	}
+
+	WARN_ON(!node);
+	if (!node)
+		return NULL;
+
+	if (range_top(br) - bi_iter->bi_sector
+	    < bi_iter->bi_size >> SECTOR_SHIFT)
+		bi_iter->bi_size = (range_top(br) - bi_iter->bi_sector)
+			<< SECTOR_SHIFT;
+
+	return br;
+}
+
+void add_before(struct rb_root *ranges, struct bow_range *new_br,
+		struct bow_range *existing)
+{
+	struct rb_node *parent = &(existing->node);
+	struct rb_node **link = &(parent->rb_left);
+
+	while (*link) {
+		parent = *link;
+		link = &((*link)->rb_right);
+	}
+
+	rb_link_node(&new_br->node, parent, link);
+	rb_insert_color(&new_br->node, ranges);
+}
+
+/*
+ * Given a range br returned by find_first_overlapping_range, split br into a
+ * leading range, a range matching the bi_iter and a trailing range.
+ * Leading and trailing may end up size 0 and will then be deleted. The
+ * new range matching the bi_iter is then returned and should have its type
+ * and type specific fields populated.
+ * If bi_iter runs off the end of the range, bi_iter is truncated accordingly
+ */
+static int split_range(struct bow_context *bc, struct bow_range **br,
+		       struct bvec_iter *bi_iter)
+{
+	struct bow_range *new_br;
+
+	if (bi_iter->bi_sector < (*br)->sector) {
+		WARN_ON(true);
+		return BLK_STS_IOERR;
+	}
+
+	if (bi_iter->bi_sector > (*br)->sector) {
+		struct bow_range *leading_br =
+			kzalloc(sizeof(*leading_br), GFP_KERNEL);
+
+		if (!leading_br)
+			return BLK_STS_RESOURCE;
+
+		*leading_br = **br;
+		if (leading_br->type == TRIMMED)
+			list_add(&leading_br->trimmed_list, &bc->trimmed_list);
+
+		add_before(&bc->ranges, leading_br, *br);
+		(*br)->sector = bi_iter->bi_sector;
+	}
+
+	if (bvec_top(bi_iter) >= range_top(*br)) {
+		bi_iter->bi_size = (range_top(*br) - (*br)->sector)
+					* SECTOR_SIZE;
+		return BLK_STS_OK;
+	}
+
+	/* new_br will be the beginning, existing br will be the tail */
+	new_br = kzalloc(sizeof(*new_br), GFP_KERNEL);
+	if (!new_br)
+		return BLK_STS_RESOURCE;
+
+	new_br->sector = (*br)->sector;
+	(*br)->sector = bvec_top(bi_iter);
+	add_before(&bc->ranges, new_br, *br);
+	*br = new_br;
+
+	return BLK_STS_OK;
+}
+
+/*
+ * Sets type of a range. May merge range into surrounding ranges
+ * Since br may be invalidated, always sets br to NULL to prevent
+ * usage after this is called
+ */
+static void set_type(struct bow_context *bc, struct bow_range **br, int type)
+{
+	struct bow_range *prev = container_of(rb_prev(&(*br)->node),
+						      struct bow_range, node);
+	struct bow_range *next = container_of(rb_next(&(*br)->node),
+						      struct bow_range, node);
+
+	if ((*br)->type == TRIMMED) {
+		bc->trims_total -= range_size(*br);
+		list_del(&(*br)->trimmed_list);
+	}
+
+	if (type == TRIMMED) {
+		bc->trims_total += range_size(*br);
+		list_add(&(*br)->trimmed_list, &bc->trimmed_list);
+	}
+
+	(*br)->type = type;
+
+	if (next->type == type) {
+		if (type == TRIMMED)
+			list_del(&next->trimmed_list);
+		rb_erase(&next->node, &bc->ranges);
+		kfree(next);
+	}
+
+	if (prev->type == type) {
+		if (type == TRIMMED)
+			list_del(&(*br)->trimmed_list);
+		rb_erase(&(*br)->node, &bc->ranges);
+		kfree(*br);
+	}
+
+	*br = NULL;
+}
+
+static struct bow_range *find_free_range(struct bow_context *bc)
+{
+	if (list_empty(&bc->trimmed_list)) {
+		DMERR("Unable to find free space to back up to");
+		return NULL;
+	}
+
+	return list_first_entry(&bc->trimmed_list, struct bow_range,
+				trimmed_list);
+}
+
+static sector_t sector_to_page(struct bow_context const *bc, sector_t sector)
+{
+	WARN_ON((sector & (((sector_t)1 << (bc->block_shift - SECTOR_SHIFT)) - 1))
+		!= 0);
+	return sector >> (bc->block_shift - SECTOR_SHIFT);
+}
+
+static int copy_data(struct bow_context const *bc,
+		     struct bow_range *source, struct bow_range *dest,
+		     u32 *checksum)
+{
+	int i;
+
+	if (range_size(source) != range_size(dest)) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+
+	if (checksum)
+		*checksum = sector_to_page(bc, source->sector);
+
+	for (i = 0; i < range_size(source) >> bc->block_shift; ++i) {
+		struct dm_buffer *read_buffer, *write_buffer;
+		u8 *read, *write;
+		sector_t page = sector_to_page(bc, source->sector) + i;
+
+		read = dm_bufio_read(bc->bufio, page, &read_buffer);
+		if (IS_ERR(read)) {
+			DMERR("Cannot read page %llu",
+			      (unsigned long long)page);
+			return PTR_ERR(read);
+		}
+
+		if (checksum)
+			*checksum = crc32(*checksum, read, bc->block_size);
+
+		write = dm_bufio_new(bc->bufio,
+				     sector_to_page(bc, dest->sector) + i,
+				     &write_buffer);
+		if (IS_ERR(write)) {
+			DMERR("Cannot write sector");
+			dm_bufio_release(read_buffer);
+			return PTR_ERR(write);
+		}
+
+		memcpy(write, read, bc->block_size);
+
+		dm_bufio_mark_buffer_dirty(write_buffer);
+		dm_bufio_release(write_buffer);
+		dm_bufio_release(read_buffer);
+	}
+
+	dm_bufio_write_dirty_buffers(bc->bufio);
+	return BLK_STS_OK;
+}
+
+/****** logging functions ******/
+
+static int add_log_entry(struct bow_context *bc, sector_t source, sector_t dest,
+			 unsigned int size, u32 checksum);
+
+static int backup_log_sector(struct bow_context *bc)
+{
+	struct bow_range *first_br, *free_br;
+	struct bvec_iter bi_iter;
+	u32 checksum = 0;
+	int ret;
+
+	first_br = container_of(rb_first(&bc->ranges), struct bow_range, node);
+
+	if (first_br->type != SECTOR0) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+
+	if (range_size(first_br) != bc->block_size) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+
+	free_br = find_free_range(bc);
+	/* No space left - return this error to userspace */
+	if (!free_br)
+		return BLK_STS_NOSPC;
+	bi_iter.bi_sector = free_br->sector;
+	bi_iter.bi_size = bc->block_size;
+	ret = split_range(bc, &free_br, &bi_iter);
+	if (ret)
+		return ret;
+	if (bi_iter.bi_size != bc->block_size) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+
+	ret = copy_data(bc, first_br, free_br, &checksum);
+	if (ret)
+		return ret;
+
+	bc->log_sector->count = 0;
+	bc->log_sector->sequence++;
+	ret = add_log_entry(bc, first_br->sector, free_br->sector,
+			    range_size(first_br), checksum);
+	if (ret)
+		return ret;
+
+	set_type(bc, &free_br, BACKUP);
+	return BLK_STS_OK;
+}
+
+static int add_log_entry(struct bow_context *bc, sector_t source, sector_t dest,
+			 unsigned int size, u32 checksum)
+{
+	struct dm_buffer *sector_buffer;
+	u8 *sector;
+
+	if (sizeof(struct log_sector)
+	    + sizeof(struct log_entry) * (bc->log_sector->count + 1)
+		> bc->block_size) {
+		int ret = backup_log_sector(bc);
+
+		if (ret)
+			return ret;
+	}
+
+	sector = dm_bufio_new(bc->bufio, 0, &sector_buffer);
+	if (IS_ERR(sector)) {
+		DMERR("Cannot write boot sector");
+		dm_bufio_release(sector_buffer);
+		return BLK_STS_NOSPC;
+	}
+
+	bc->log_sector->entries[bc->log_sector->count].source = source;
+	bc->log_sector->entries[bc->log_sector->count].dest = dest;
+	bc->log_sector->entries[bc->log_sector->count].size = size;
+	bc->log_sector->entries[bc->log_sector->count].checksum = checksum;
+	bc->log_sector->count++;
+
+	memcpy(sector, bc->log_sector, bc->block_size);
+	dm_bufio_mark_buffer_dirty(sector_buffer);
+	dm_bufio_release(sector_buffer);
+	dm_bufio_write_dirty_buffers(bc->bufio);
+	return BLK_STS_OK;
+}
+
+static int prepare_log(struct bow_context *bc)
+{
+	struct bow_range *free_br, *first_br;
+	struct bvec_iter bi_iter;
+	u32 checksum = 0;
+	int ret;
+
+	/* Carve out first sector as log sector */
+	first_br = container_of(rb_first(&bc->ranges), struct bow_range, node);
+	if (first_br->type != UNCHANGED) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+
+	if (range_size(first_br) < bc->block_size) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+	bi_iter.bi_sector = 0;
+	bi_iter.bi_size = bc->block_size;
+	ret = split_range(bc, &first_br, &bi_iter);
+	if (ret)
+		return ret;
+	first_br->type = SECTOR0;
+	if (range_size(first_br) != bc->block_size) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+
+	/* Find free sector for active sector0 reads/writes */
+	free_br = find_free_range(bc);
+	if (!free_br)
+		return BLK_STS_NOSPC;
+	bi_iter.bi_sector = free_br->sector;
+	bi_iter.bi_size = bc->block_size;
+	ret = split_range(bc, &free_br, &bi_iter);
+	if (ret)
+		return ret;
+	free_br->type = SECTOR0_CURRENT;
+
+	/* Copy data */
+	ret = copy_data(bc, first_br, free_br, NULL);
+	if (ret)
+		return ret;
+
+	bc->log_sector->sector0 = free_br->sector;
+
+	/* Find free sector to back up original sector zero */
+	free_br = find_free_range(bc);
+	if (!free_br)
+		return BLK_STS_NOSPC;
+	bi_iter.bi_sector = free_br->sector;
+	bi_iter.bi_size = bc->block_size;
+	ret = split_range(bc, &free_br, &bi_iter);
+	if (ret)
+		return ret;
+
+	/* Back up */
+	ret = copy_data(bc, first_br, free_br, &checksum);
+	if (ret)
+		return ret;
+
+	/*
+	 * Set up our replacement boot sector - it will get written when we
+	 * add the first log entry, which we do immediately
+	 */
+	bc->log_sector->magic = MAGIC;
+	bc->log_sector->header_version = HEADER_VERSION;
+	bc->log_sector->header_size = sizeof(*bc->log_sector);
+	bc->log_sector->block_size = bc->block_size;
+	bc->log_sector->count = 0;
+	bc->log_sector->sequence = 0;
+
+	/* Add log entry */
+	ret = add_log_entry(bc, first_br->sector, free_br->sector,
+			    range_size(first_br), checksum);
+	if (ret)
+		return ret;
+
+	set_type(bc, &free_br, BACKUP);
+	return BLK_STS_OK;
+}
+
+static struct bow_range *find_sector0_current(struct bow_context *bc)
+{
+	struct bvec_iter bi_iter;
+
+	bi_iter.bi_sector = bc->log_sector->sector0;
+	bi_iter.bi_size = bc->block_size;
+	return find_first_overlapping_range(&bc->ranges, &bi_iter);
+}
+
+/****** sysfs interface functions ******/
+
+static ssize_t state_show(struct kobject *kobj, struct kobj_attribute *attr,
+			  char *buf)
+{
+	struct bow_context *bc = container_of(kobj, struct bow_context,
+					      kobj_holder.kobj);
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&bc->state));
+}
+
+static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct bow_context *bc = container_of(kobj, struct bow_context,
+					      kobj_holder.kobj);
+	enum state state, original_state;
+	int ret;
+
+	state = buf[0] - '0';
+	if (state < TRIM || state > COMMITTED) {
+		DMERR("State value %d out of range", state);
+		return -EINVAL;
+	}
+
+	mutex_lock(&bc->ranges_lock);
+	original_state = atomic_read(&bc->state);
+	if (state != original_state + 1) {
+		DMERR("Invalid state change from %d to %d",
+		      original_state, state);
+		ret = -EINVAL;
+		goto bad;
+	}
+
+	DMINFO("Switching to state %s", state == CHECKPOINT ? "Checkpoint"
+	       : state == COMMITTED ? "Committed" : "Unknown");
+
+	if (state == CHECKPOINT) {
+		ret = prepare_log(bc);
+		if (ret) {
+			DMERR("Failed to switch to checkpoint state");
+			goto bad;
+		}
+	} else if (state == COMMITTED) {
+		struct bow_range *br = find_sector0_current(bc);
+		struct bow_range *sector0_br =
+			container_of(rb_first(&bc->ranges), struct bow_range,
+				     node);
+
+		ret = copy_data(bc, br, sector0_br, 0);
+		if (ret) {
+			DMERR("Failed to switch to committed state");
+			goto bad;
+		}
+	}
+	atomic_inc(&bc->state);
+	ret = count;
+
+bad:
+	mutex_unlock(&bc->ranges_lock);
+	return ret;
+}
+
+static ssize_t free_show(struct kobject *kobj, struct kobj_attribute *attr,
+			  char *buf)
+{
+	struct bow_context *bc = container_of(kobj, struct bow_context,
+					      kobj_holder.kobj);
+	u64 trims_total;
+
+	mutex_lock(&bc->ranges_lock);
+	trims_total = bc->trims_total;
+	mutex_unlock(&bc->ranges_lock);
+
+	return scnprintf(buf, PAGE_SIZE, "%llu\n", trims_total);
+}
+
+static struct kobj_attribute attr_state = __ATTR_RW(state);
+static struct kobj_attribute attr_free = __ATTR_RO(free);
+
+static struct attribute *bow_attrs[] = {
+	&attr_state.attr,
+	&attr_free.attr,
+	NULL
+};
+
+static struct kobj_type bow_ktype = {
+	.sysfs_ops = &kobj_sysfs_ops,
+	.default_attrs = bow_attrs,
+	.release = dm_kobject_release
+};
+
+/****** constructor/destructor ******/
+
+static void dm_bow_dtr(struct dm_target *ti)
+{
+	struct bow_context *bc = (struct bow_context *) ti->private;
+	struct kobject *kobj;
+
+	mutex_lock(&bc->ranges_lock);
+	while (rb_first(&bc->ranges)) {
+		struct bow_range *br = container_of(rb_first(&bc->ranges),
+						    struct bow_range, node);
+
+		rb_erase(&br->node, &bc->ranges);
+		kfree(br);
+	}
+	mutex_unlock(&bc->ranges_lock);
+
+	if (bc->workqueue)
+		destroy_workqueue(bc->workqueue);
+	if (bc->bufio)
+		dm_bufio_client_destroy(bc->bufio);
+
+	kobj = &bc->kobj_holder.kobj;
+	if (kobj->state_initialized) {
+		kobject_put(kobj);
+		wait_for_completion(dm_get_completion_from_kobject(kobj));
+	}
+
+	kfree(bc->log_sector);
+	kfree(bc);
+}
+
+static void dm_bow_io_hints(struct dm_target *ti, struct queue_limits *limits)
+{
+	struct bow_context *bc = ti->private;
+	const unsigned int block_size = bc->block_size;
+
+	limits->logical_block_size =
+		max_t(unsigned int, limits->logical_block_size, block_size);
+	limits->physical_block_size =
+		max_t(unsigned int, limits->physical_block_size, block_size);
+	limits->io_min = max_t(unsigned int, limits->io_min, block_size);
+
+	if (limits->max_discard_sectors == 0) {
+		limits->discard_granularity = 1 << 12;
+		limits->max_hw_discard_sectors = 1 << 15;
+		limits->max_discard_sectors = 1 << 15;
+		bc->forward_trims = false;
+	} else {
+		limits->discard_granularity = 1 << 12;
+		bc->forward_trims = true;
+	}
+}
+
+static int dm_bow_ctr_optional(struct dm_target *ti, unsigned int argc, char **argv)
+{
+	struct bow_context *bc = ti->private;
+	struct dm_arg_set as;
+	static const struct dm_arg _args[] = {
+		{0, 1, "Invalid number of feature args"},
+	};
+	unsigned int opt_params;
+	const char *opt_string;
+	int err;
+	char dummy;
+
+	as.argc = argc;
+	as.argv = argv;
+
+	err = dm_read_arg_group(_args, &as, &opt_params, &ti->error);
+	if (err)
+		return err;
+
+	while (opt_params--) {
+		opt_string = dm_shift_arg(&as);
+		if (!opt_string) {
+			ti->error = "Not enough feature arguments";
+			return -EINVAL;
+		}
+
+		if (sscanf(opt_string, "block_size:%u%c",
+					&bc->block_size, &dummy) == 1) {
+			if (bc->block_size < SECTOR_SIZE ||
+			    bc->block_size > 4096 ||
+			    !is_power_of_2(bc->block_size)) {
+				ti->error = "Invalid block_size";
+				return -EINVAL;
+			}
+		} else {
+			ti->error = "Invalid feature arguments";
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int dm_bow_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+{
+	struct bow_context *bc;
+	struct bow_range *br;
+	int ret;
+	struct mapped_device *md = dm_table_get_md(ti->table);
+
+	if (argc < 1) {
+		ti->error = "Invalid argument count";
+		return -EINVAL;
+	}
+
+	bc = kzalloc(sizeof(*bc), GFP_KERNEL);
+	if (!bc) {
+		ti->error = "Cannot allocate bow context";
+		return -ENOMEM;
+	}
+
+	ti->num_flush_bios = 1;
+	ti->num_discard_bios = 1;
+	ti->num_write_same_bios = 1;
+	ti->private = bc;
+
+	ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
+			    &bc->dev);
+	if (ret) {
+		ti->error = "Device lookup failed";
+		goto bad;
+	}
+
+	bc->block_size =
+		bdev_get_queue(bc->dev->bdev)->limits.logical_block_size;
+	if (argc > 1) {
+		ret = dm_bow_ctr_optional(ti, argc - 1, &argv[1]);
+		if (ret)
+			goto bad;
+	}
+
+	bc->block_shift = ilog2(bc->block_size);
+	bc->log_sector = kzalloc(bc->block_size, GFP_KERNEL);
+	if (!bc->log_sector) {
+		ti->error = "Cannot allocate log sector";
+		goto bad;
+	}
+
+	init_completion(&bc->kobj_holder.completion);
+	ret = kobject_init_and_add(&bc->kobj_holder.kobj, &bow_ktype,
+				   &disk_to_dev(dm_disk(md))->kobj, "%s",
+				   "bow");
+	if (ret) {
+		ti->error = "Cannot create sysfs node";
+		goto bad;
+	}
+
+	mutex_init(&bc->ranges_lock);
+	bc->ranges = RB_ROOT;
+	bc->bufio = dm_bufio_client_create(bc->dev->bdev, bc->block_size, 1, 0,
+					   NULL, NULL);
+	if (IS_ERR(bc->bufio)) {
+		ti->error = "Cannot initialize dm-bufio";
+		ret = PTR_ERR(bc->bufio);
+		bc->bufio = NULL;
+		goto bad;
+	}
+
+	bc->workqueue = alloc_workqueue("dm-bow",
+					WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM
+					| WQ_UNBOUND, num_online_cpus());
+	if (!bc->workqueue) {
+		ti->error = "Cannot allocate workqueue";
+		ret = -ENOMEM;
+		goto bad;
+	}
+
+	INIT_LIST_HEAD(&bc->trimmed_list);
+
+	br = kzalloc(sizeof(*br), GFP_KERNEL);
+	if (!br) {
+		ti->error = "Cannot allocate ranges";
+		ret = -ENOMEM;
+		goto bad;
+	}
+
+	br->sector = ti->len;
+	br->type = TOP;
+	rb_link_node(&br->node, NULL, &bc->ranges.rb_node);
+	rb_insert_color(&br->node, &bc->ranges);
+
+	br = kzalloc(sizeof(*br), GFP_KERNEL);
+	if (!br) {
+		ti->error = "Cannot allocate ranges";
+		ret = -ENOMEM;
+		goto bad;
+	}
+
+	br->sector = 0;
+	br->type = UNCHANGED;
+	rb_link_node(&br->node, bc->ranges.rb_node,
+		     &bc->ranges.rb_node->rb_left);
+	rb_insert_color(&br->node, &bc->ranges);
+
+	ti->discards_supported = true;
+
+	return 0;
+
+bad:
+	dm_bow_dtr(ti);
+	return ret;
+}
+
+/****** Handle writes ******/
+
+static int prepare_unchanged_range(struct bow_context *bc, struct bow_range *br,
+				   struct bvec_iter *bi_iter,
+				   bool record_checksum)
+{
+	struct bow_range *backup_br;
+	struct bvec_iter backup_bi;
+	sector_t log_source, log_dest;
+	unsigned int log_size;
+	u32 checksum = 0;
+	int ret;
+	int original_type;
+	sector_t sector0;
+
+	/* Find a free range */
+	backup_br = find_free_range(bc);
+	if (!backup_br)
+		return BLK_STS_NOSPC;
+
+	/* Carve out a backup range. This may be smaller than the br given */
+	backup_bi.bi_sector = backup_br->sector;
+	backup_bi.bi_size = min(range_size(backup_br), (u64) bi_iter->bi_size);
+	ret = split_range(bc, &backup_br, &backup_bi);
+	if (ret)
+		return ret;
+
+	/*
+	 * Carve out a changed range. This will not be smaller than the backup
+	 * br since the backup br is smaller than the source range and iterator
+	 */
+	bi_iter->bi_size = backup_bi.bi_size;
+	ret = split_range(bc, &br, bi_iter);
+	if (ret)
+		return ret;
+	if (range_size(br) != range_size(backup_br)) {
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+
+
+	/* Copy data over */
+	ret = copy_data(bc, br, backup_br, record_checksum ? &checksum : NULL);
+	if (ret)
+		return ret;
+
+	/* Add an entry to the log */
+	log_source = br->sector;
+	log_dest = backup_br->sector;
+	log_size = range_size(br);
+
+	/*
+	 * Set the types. Note that since set_type also amalgamates ranges
+	 * we have to set both sectors to their final type before calling
+	 * set_type on either
+	 */
+	original_type = br->type;
+	sector0 = backup_br->sector;
+	bc->trims_total -= range_size(backup_br);
+	if (backup_br->type == TRIMMED)
+		list_del(&backup_br->trimmed_list);
+	backup_br->type = br->type == SECTOR0_CURRENT ? SECTOR0_CURRENT
+						      : BACKUP;
+	br->type = CHANGED;
+	set_type(bc, &backup_br, backup_br->type);
+
+	/*
+	 * Add the log entry after marking the backup sector, since adding a log
+	 * can cause another backup
+	 */
+	ret = add_log_entry(bc, log_source, log_dest, log_size, checksum);
+	if (ret) {
+		br->type = original_type;
+		return ret;
+	}
+
+	/* Now it is safe to mark this backup successful */
+	if (original_type == SECTOR0_CURRENT)
+		bc->log_sector->sector0 = sector0;
+
+	set_type(bc, &br, br->type);
+	return ret;
+}
+
+static int prepare_free_range(struct bow_context *bc, struct bow_range *br,
+			      struct bvec_iter *bi_iter)
+{
+	int ret;
+
+	ret = split_range(bc, &br, bi_iter);
+	if (ret)
+		return ret;
+	set_type(bc, &br, CHANGED);
+	return BLK_STS_OK;
+}
+
+static int prepare_changed_range(struct bow_context *bc, struct bow_range *br,
+				 struct bvec_iter *bi_iter)
+{
+	/* Nothing to do ... */
+	return BLK_STS_OK;
+}
+
+static int prepare_one_range(struct bow_context *bc,
+			     struct bvec_iter *bi_iter)
+{
+	struct bow_range *br = find_first_overlapping_range(&bc->ranges,
+							    bi_iter);
+	switch (br->type) {
+	case CHANGED:
+		return prepare_changed_range(bc, br, bi_iter);
+
+	case TRIMMED:
+		return prepare_free_range(bc, br, bi_iter);
+
+	case UNCHANGED:
+	case BACKUP:
+		return prepare_unchanged_range(bc, br, bi_iter, true);
+
+	/*
+	 * We cannot track the checksum for the active sector0, since it
+	 * may change at any point.
+	 */
+	case SECTOR0_CURRENT:
+		return prepare_unchanged_range(bc, br, bi_iter, false);
+
+	case SECTOR0:	/* Handled in the dm_bow_map */
+	case TOP:	/* Illegal - top is off the end of the device */
+	default:
+		WARN_ON(1);
+		return BLK_STS_IOERR;
+	}
+}
+
+struct write_work {
+	struct work_struct work;
+	struct bow_context *bc;
+	struct bio *bio;
+};
+
+static void bow_write(struct work_struct *work)
+{
+	struct write_work *ww = container_of(work, struct write_work, work);
+	struct bow_context *bc = ww->bc;
+	struct bio *bio = ww->bio;
+	struct bvec_iter bi_iter = bio->bi_iter;
+	int ret = BLK_STS_OK;
+
+	kfree(ww);
+
+	mutex_lock(&bc->ranges_lock);
+	do {
+		ret = prepare_one_range(bc, &bi_iter);
+		bi_iter.bi_sector += bi_iter.bi_size / SECTOR_SIZE;
+		bi_iter.bi_size = bio->bi_iter.bi_size
+			- (bi_iter.bi_sector - bio->bi_iter.bi_sector)
+			  * SECTOR_SIZE;
+	} while (!ret && bi_iter.bi_size);
+
+	mutex_unlock(&bc->ranges_lock);
+
+	if (!ret) {
+		bio_set_dev(bio, bc->dev->bdev);
+		submit_bio(bio);
+	} else {
+		DMERR("Write failure with error %d", -ret);
+		bio->bi_status = ret;
+		bio_endio(bio);
+	}
+}
+
+static int queue_write(struct bow_context *bc, struct bio *bio)
+{
+	struct write_work *ww = kmalloc(sizeof(*ww), GFP_NOIO | __GFP_NORETRY
+					| __GFP_NOMEMALLOC | __GFP_NOWARN);
+	if (!ww) {
+		DMERR("Failed to allocate write_work");
+		return -ENOMEM;
+	}
+
+	INIT_WORK(&ww->work, bow_write);
+	ww->bc = bc;
+	ww->bio = bio;
+	queue_work(bc->workqueue, &ww->work);
+	return DM_MAPIO_SUBMITTED;
+}
+
+static int handle_sector0(struct bow_context *bc, struct bio *bio)
+{
+	int ret = DM_MAPIO_REMAPPED;
+
+	if (bio->bi_iter.bi_size > bc->block_size) {
+		struct bio * split = bio_split(bio,
+					       bc->block_size >> SECTOR_SHIFT,
+					       GFP_NOIO,
+					       &fs_bio_set);
+		if (!split) {
+			DMERR("Failed to split bio");
+			bio->bi_status = BLK_STS_RESOURCE;
+			bio_endio(bio);
+			return DM_MAPIO_SUBMITTED;
+		}
+
+		bio_chain(split, bio);
+		split->bi_iter.bi_sector = bc->log_sector->sector0;
+		bio_set_dev(split, bc->dev->bdev);
+		submit_bio(split);
+
+		if (bio_data_dir(bio) == WRITE)
+			ret = queue_write(bc, bio);
+	} else {
+		bio->bi_iter.bi_sector = bc->log_sector->sector0;
+	}
+
+	return ret;
+}
+
+static int add_trim(struct bow_context *bc, struct bio *bio)
+{
+	struct bow_range *br;
+	struct bvec_iter bi_iter = bio->bi_iter;
+
+	DMDEBUG("add_trim: %llu, %u",
+		(unsigned long long)bio->bi_iter.bi_sector,
+		bio->bi_iter.bi_size);
+
+	do {
+		br = find_first_overlapping_range(&bc->ranges, &bi_iter);
+
+		switch (br->type) {
+		case UNCHANGED:
+			if (!split_range(bc, &br, &bi_iter))
+				set_type(bc, &br, TRIMMED);
+			break;
+
+		case TRIMMED:
+			/* Nothing to do */
+			break;
+
+		default:
+			/* No other case is legal in TRIM state */
+			WARN_ON(true);
+			break;
+		}
+
+		bi_iter.bi_sector += bi_iter.bi_size / SECTOR_SIZE;
+		bi_iter.bi_size = bio->bi_iter.bi_size
+			- (bi_iter.bi_sector - bio->bi_iter.bi_sector)
+			  * SECTOR_SIZE;
+
+	} while (bi_iter.bi_size);
+
+	bio_endio(bio);
+	return DM_MAPIO_SUBMITTED;
+}
+
+static int remove_trim(struct bow_context *bc, struct bio *bio)
+{
+	struct bow_range *br;
+	struct bvec_iter bi_iter = bio->bi_iter;
+
+	DMDEBUG("remove_trim: %llu, %u",
+		(unsigned long long)bio->bi_iter.bi_sector,
+		bio->bi_iter.bi_size);
+
+	do {
+		br = find_first_overlapping_range(&bc->ranges, &bi_iter);
+
+		switch (br->type) {
+		case UNCHANGED:
+			/* Nothing to do */
+			break;
+
+		case TRIMMED:
+			if (!split_range(bc, &br, &bi_iter))
+				set_type(bc, &br, UNCHANGED);
+			break;
+
+		default:
+			/* No other case is legal in TRIM state */
+			WARN_ON(true);
+			break;
+		}
+
+		bi_iter.bi_sector += bi_iter.bi_size / SECTOR_SIZE;
+		bi_iter.bi_size = bio->bi_iter.bi_size
+			- (bi_iter.bi_sector - bio->bi_iter.bi_sector)
+			  * SECTOR_SIZE;
+
+	} while (bi_iter.bi_size);
+
+	return DM_MAPIO_REMAPPED;
+}
+
+int remap_unless_illegal_trim(struct bow_context *bc, struct bio *bio)
+{
+	if (!bc->forward_trims && bio_op(bio) == REQ_OP_DISCARD) {
+		bio->bi_status = BLK_STS_NOTSUPP;
+		bio_endio(bio);
+		return DM_MAPIO_SUBMITTED;
+	} else {
+		bio_set_dev(bio, bc->dev->bdev);
+		return DM_MAPIO_REMAPPED;
+	}
+}
+
+/****** dm interface ******/
+
+static int dm_bow_map(struct dm_target *ti, struct bio *bio)
+{
+	int ret = DM_MAPIO_REMAPPED;
+	struct bow_context *bc = ti->private;
+
+	if (likely(bc->state.counter == COMMITTED))
+		return remap_unless_illegal_trim(bc, bio);
+
+	if (bio_data_dir(bio) == READ && bio->bi_iter.bi_sector != 0)
+		return remap_unless_illegal_trim(bc, bio);
+
+	if (atomic_read(&bc->state) != COMMITTED) {
+		enum state state;
+
+		mutex_lock(&bc->ranges_lock);
+		state = atomic_read(&bc->state);
+		if (state == TRIM) {
+			if (bio_op(bio) == REQ_OP_DISCARD)
+				ret = add_trim(bc, bio);
+			else if (bio_data_dir(bio) == WRITE)
+				ret = remove_trim(bc, bio);
+			else
+				/* pass-through */;
+		} else if (state == CHECKPOINT) {
+			if (bio->bi_iter.bi_sector == 0)
+				ret = handle_sector0(bc, bio);
+			else if (bio_data_dir(bio) == WRITE)
+				ret = queue_write(bc, bio);
+			else
+				/* pass-through */;
+		} else {
+			/* pass-through */
+		}
+		mutex_unlock(&bc->ranges_lock);
+	}
+
+	if (ret == DM_MAPIO_REMAPPED)
+		return remap_unless_illegal_trim(bc, bio);
+
+	return ret;
+}
+
+static void dm_bow_tablestatus(struct dm_target *ti, char *result,
+			       unsigned int maxlen)
+{
+	char *end = result + maxlen;
+	struct bow_context *bc = ti->private;
+	struct rb_node *i;
+	int trimmed_list_length = 0;
+	int trimmed_range_count = 0;
+	struct bow_range *br;
+
+	if (maxlen == 0)
+		return;
+	result[0] = 0;
+
+	list_for_each_entry(br, &bc->trimmed_list, trimmed_list)
+		if (br->type == TRIMMED) {
+			++trimmed_list_length;
+		} else {
+			scnprintf(result, end - result,
+				  "ERROR: non-trimmed entry in trimmed_list");
+			return;
+		}
+
+	if (!rb_first(&bc->ranges)) {
+		scnprintf(result, end - result, "ERROR: Empty ranges");
+		return;
+	}
+
+	if (container_of(rb_first(&bc->ranges), struct bow_range, node)
+	    ->sector) {
+		scnprintf(result, end - result,
+			 "ERROR: First range does not start at sector 0");
+		return;
+	}
+
+	mutex_lock(&bc->ranges_lock);
+	for (i = rb_first(&bc->ranges); i; i = rb_next(i)) {
+		struct bow_range *br = container_of(i, struct bow_range, node);
+
+		result += scnprintf(result, end - result, "%s: %llu",
+				    readable_type[br->type],
+				    (unsigned long long)br->sector);
+		if (result >= end)
+			goto unlock;
+
+		result += scnprintf(result, end - result, "\n");
+		if (result >= end)
+			goto unlock;
+
+		if (br->type == TRIMMED)
+			++trimmed_range_count;
+
+		if (br->type == TOP) {
+			if (br->sector != ti->len) {
+				scnprintf(result, end - result,
+					 "\nERROR: Top sector is incorrect");
+			}
+
+			if (&br->node != rb_last(&bc->ranges)) {
+				scnprintf(result, end - result,
+					  "\nERROR: Top sector is not last");
+			}
+
+			break;
+		}
+
+		if (!rb_next(i)) {
+			scnprintf(result, end - result,
+				  "\nERROR: Last range not of type TOP");
+			goto unlock;
+		}
+
+		if (br->sector > range_top(br)) {
+			scnprintf(result, end - result,
+				  "\nERROR: sectors out of order");
+			goto unlock;
+		}
+	}
+
+	if (trimmed_range_count != trimmed_list_length)
+		scnprintf(result, end - result,
+			  "\nERROR: not all trimmed ranges in trimmed list");
+
+unlock:
+	mutex_unlock(&bc->ranges_lock);
+}
+
+static void dm_bow_status(struct dm_target *ti, status_type_t type,
+			  unsigned int status_flags, char *result,
+			  unsigned int maxlen)
+{
+	switch (type) {
+	case STATUSTYPE_INFO:
+		if (maxlen)
+			result[0] = 0;
+		break;
+
+	case STATUSTYPE_TABLE:
+		dm_bow_tablestatus(ti, result, maxlen);
+		break;
+	}
+}
+
+int dm_bow_prepare_ioctl(struct dm_target *ti, struct block_device **bdev)
+{
+	struct bow_context *bc = ti->private;
+	struct dm_dev *dev = bc->dev;
+
+	*bdev = dev->bdev;
+	/* Only pass ioctls through if the device sizes match exactly. */
+	return ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT;
+}
+
+static int dm_bow_iterate_devices(struct dm_target *ti,
+				  iterate_devices_callout_fn fn, void *data)
+{
+	struct bow_context *bc = ti->private;
+
+	return fn(ti, bc->dev, 0, ti->len, data);
+}
+
+static struct target_type bow_target = {
+	.name   = "bow",
+	.version = {1, 2, 0},
+	.features = DM_TARGET_PASSES_CRYPTO,
+	.module = THIS_MODULE,
+	.ctr    = dm_bow_ctr,
+	.dtr    = dm_bow_dtr,
+	.map    = dm_bow_map,
+	.status = dm_bow_status,
+	.prepare_ioctl  = dm_bow_prepare_ioctl,
+	.iterate_devices = dm_bow_iterate_devices,
+	.io_hints = dm_bow_io_hints,
+};
+
+int __init dm_bow_init(void)
+{
+	int r = dm_register_target(&bow_target);
+
+	if (r < 0)
+		DMERR("registering bow failed %d", r);
+	return r;
+}
+
+void dm_bow_exit(void)
+{
+	dm_unregister_target(&bow_target);
+}
+
+MODULE_LICENSE("GPL");
+
+module_init(dm_bow_init);
+module_exit(dm_bow_exit);
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index 3db92d9..780aec6 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -13,6 +13,7 @@
 #include <linux/ktime.h>
 #include <linux/genhd.h>
 #include <linux/blk-mq.h>
+#include <linux/keyslot-manager.h>
 
 #include <trace/events/block.h>
 
@@ -96,11 +97,6 @@
 	 */
 	struct workqueue_struct *wq;
 
-	/*
-	 * freeze/thaw support require holding onto a super block
-	 */
-	struct super_block *frozen_sb;
-
 	/* forced geometry settings */
 	struct hd_geometry geometry;
 
@@ -173,6 +169,10 @@
 	void *event_context;
 
 	struct dm_md_mempools *mempools;
+
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+	struct blk_keyslot_manager *ksm;
+#endif
 };
 
 static inline struct completion *dm_get_completion_from_kobject(struct kobject *kobj)
diff --git a/drivers/md/dm-default-key.c b/drivers/md/dm-default-key.c
new file mode 100644
index 0000000..eaa83298
--- /dev/null
+++ b/drivers/md/dm-default-key.c
@@ -0,0 +1,422 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017 Google, Inc.
+ */
+
+#include <linux/blk-crypto.h>
+#include <linux/device-mapper.h>
+#include <linux/module.h>
+
+#define DM_MSG_PREFIX		"default-key"
+
+#define DM_DEFAULT_KEY_MAX_WRAPPED_KEY_SIZE 128
+
+static const struct dm_default_key_cipher {
+	const char *name;
+	enum blk_crypto_mode_num mode_num;
+	int key_size;
+} dm_default_key_ciphers[] = {
+	{
+		.name = "aes-xts-plain64",
+		.mode_num = BLK_ENCRYPTION_MODE_AES_256_XTS,
+		.key_size = 64,
+	}, {
+		.name = "xchacha12,aes-adiantum-plain64",
+		.mode_num = BLK_ENCRYPTION_MODE_ADIANTUM,
+		.key_size = 32,
+	},
+};
+
+/**
+ * struct dm_default_c - private data of a default-key target
+ * @dev: the underlying device
+ * @start: starting sector of the range of @dev which this target actually maps.
+ *	   For this purpose a "sector" is 512 bytes.
+ * @cipher_string: the name of the encryption algorithm being used
+ * @iv_offset: starting offset for IVs.  IVs are generated as if the target were
+ *	       preceded by @iv_offset 512-byte sectors.
+ * @sector_size: crypto sector size in bytes (usually 4096)
+ * @sector_bits: log2(sector_size)
+ * @key: the encryption key to use
+ * @max_dun: the maximum DUN that may be used (computed from other params)
+ */
+struct default_key_c {
+	struct dm_dev *dev;
+	sector_t start;
+	const char *cipher_string;
+	u64 iv_offset;
+	unsigned int sector_size;
+	unsigned int sector_bits;
+	struct blk_crypto_key key;
+	bool is_hw_wrapped;
+	u64 max_dun;
+};
+
+static const struct dm_default_key_cipher *
+lookup_cipher(const char *cipher_string)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dm_default_key_ciphers); i++) {
+		if (strcmp(cipher_string, dm_default_key_ciphers[i].name) == 0)
+			return &dm_default_key_ciphers[i];
+	}
+	return NULL;
+}
+
+static void default_key_dtr(struct dm_target *ti)
+{
+	struct default_key_c *dkc = ti->private;
+
+	if (dkc->dev) {
+		blk_crypto_evict_key(bdev_get_queue(dkc->dev->bdev), &dkc->key);
+		dm_put_device(ti, dkc->dev);
+	}
+	kfree_sensitive(dkc->cipher_string);
+	kfree_sensitive(dkc);
+}
+
+static int default_key_ctr_optional(struct dm_target *ti,
+				    unsigned int argc, char **argv)
+{
+	struct default_key_c *dkc = ti->private;
+	struct dm_arg_set as;
+	static const struct dm_arg _args[] = {
+		{0, 4, "Invalid number of feature args"},
+	};
+	unsigned int opt_params;
+	const char *opt_string;
+	bool iv_large_sectors = false;
+	char dummy;
+	int err;
+
+	as.argc = argc;
+	as.argv = argv;
+
+	err = dm_read_arg_group(_args, &as, &opt_params, &ti->error);
+	if (err)
+		return err;
+
+	while (opt_params--) {
+		opt_string = dm_shift_arg(&as);
+		if (!opt_string) {
+			ti->error = "Not enough feature arguments";
+			return -EINVAL;
+		}
+		if (!strcmp(opt_string, "allow_discards")) {
+			ti->num_discard_bios = 1;
+		} else if (sscanf(opt_string, "sector_size:%u%c",
+				  &dkc->sector_size, &dummy) == 1) {
+			if (dkc->sector_size < SECTOR_SIZE ||
+			    dkc->sector_size > 4096 ||
+			    !is_power_of_2(dkc->sector_size)) {
+				ti->error = "Invalid sector_size";
+				return -EINVAL;
+			}
+		} else if (!strcmp(opt_string, "iv_large_sectors")) {
+			iv_large_sectors = true;
+		} else if (!strcmp(opt_string, "wrappedkey_v0")) {
+			dkc->is_hw_wrapped = true;
+		} else {
+			ti->error = "Invalid feature arguments";
+			return -EINVAL;
+		}
+	}
+
+	/* dm-default-key doesn't implement iv_large_sectors=false. */
+	if (dkc->sector_size != SECTOR_SIZE && !iv_large_sectors) {
+		ti->error = "iv_large_sectors must be specified";
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*
+ * Construct a default-key mapping:
+ * <cipher> <key> <iv_offset> <dev_path> <start>
+ *
+ * This syntax matches dm-crypt's, but lots of unneeded functionality has been
+ * removed.  Also, dm-default-key requires that the "iv_large_sectors" option be
+ * given whenever a non-default sector size is used.
+ */
+static int default_key_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+{
+	struct default_key_c *dkc;
+	const struct dm_default_key_cipher *cipher;
+	u8 raw_key[DM_DEFAULT_KEY_MAX_WRAPPED_KEY_SIZE];
+	unsigned int raw_key_size;
+	unsigned int dun_bytes;
+	unsigned long long tmpll;
+	char dummy;
+	int err;
+
+	if (argc < 5) {
+		ti->error = "Not enough arguments";
+		return -EINVAL;
+	}
+
+	dkc = kzalloc(sizeof(*dkc), GFP_KERNEL);
+	if (!dkc) {
+		ti->error = "Out of memory";
+		return -ENOMEM;
+	}
+	ti->private = dkc;
+
+	/* <cipher> */
+	dkc->cipher_string = kstrdup(argv[0], GFP_KERNEL);
+	if (!dkc->cipher_string) {
+		ti->error = "Out of memory";
+		err = -ENOMEM;
+		goto bad;
+	}
+	cipher = lookup_cipher(dkc->cipher_string);
+	if (!cipher) {
+		ti->error = "Unsupported cipher";
+		err = -EINVAL;
+		goto bad;
+	}
+
+	/* <key> */
+	raw_key_size = strlen(argv[1]);
+	if (raw_key_size > 2 * DM_DEFAULT_KEY_MAX_WRAPPED_KEY_SIZE ||
+	    raw_key_size % 2) {
+		ti->error = "Invalid keysize";
+		err = -EINVAL;
+		goto bad;
+	}
+	raw_key_size /= 2;
+	if (hex2bin(raw_key, argv[1], raw_key_size) != 0) {
+		ti->error = "Malformed key string";
+		err = -EINVAL;
+		goto bad;
+	}
+
+	/* <iv_offset> */
+	if (sscanf(argv[2], "%llu%c", &dkc->iv_offset, &dummy) != 1) {
+		ti->error = "Invalid iv_offset sector";
+		err = -EINVAL;
+		goto bad;
+	}
+
+	/* <dev_path> */
+	err = dm_get_device(ti, argv[3], dm_table_get_mode(ti->table),
+			    &dkc->dev);
+	if (err) {
+		ti->error = "Device lookup failed";
+		goto bad;
+	}
+
+	/* <start> */
+	if (sscanf(argv[4], "%llu%c", &tmpll, &dummy) != 1 ||
+	    tmpll != (sector_t)tmpll) {
+		ti->error = "Invalid start sector";
+		err = -EINVAL;
+		goto bad;
+	}
+	dkc->start = tmpll;
+
+	/* optional arguments */
+	dkc->sector_size = SECTOR_SIZE;
+	if (argc > 5) {
+		err = default_key_ctr_optional(ti, argc - 5, &argv[5]);
+		if (err)
+			goto bad;
+	}
+	dkc->sector_bits = ilog2(dkc->sector_size);
+	if (ti->len & ((dkc->sector_size >> SECTOR_SHIFT) - 1)) {
+		ti->error = "Device size is not a multiple of sector_size";
+		err = -EINVAL;
+		goto bad;
+	}
+
+	dkc->max_dun = (dkc->iv_offset + ti->len - 1) >>
+		       (dkc->sector_bits - SECTOR_SHIFT);
+	dun_bytes = DIV_ROUND_UP(fls64(dkc->max_dun), 8);
+
+	err = blk_crypto_init_key(&dkc->key, raw_key, raw_key_size,
+				  dkc->is_hw_wrapped, cipher->mode_num,
+				  dun_bytes, dkc->sector_size);
+	if (err) {
+		ti->error = "Error initializing blk-crypto key";
+		goto bad;
+	}
+
+	err = blk_crypto_start_using_key(&dkc->key,
+					 bdev_get_queue(dkc->dev->bdev));
+	if (err) {
+		ti->error = "Error starting to use blk-crypto";
+		goto bad;
+	}
+
+	ti->num_flush_bios = 1;
+
+	err = 0;
+	goto out;
+
+bad:
+	default_key_dtr(ti);
+out:
+	memzero_explicit(raw_key, sizeof(raw_key));
+	return err;
+}
+
+static int default_key_map(struct dm_target *ti, struct bio *bio)
+{
+	const struct default_key_c *dkc = ti->private;
+	sector_t sector_in_target;
+	u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE] = { 0 };
+
+	bio_set_dev(bio, dkc->dev->bdev);
+
+	/*
+	 * If the bio is a device-level request which doesn't target a specific
+	 * sector, there's nothing more to do.
+	 */
+	if (bio_sectors(bio) == 0)
+		return DM_MAPIO_REMAPPED;
+
+	/* Map the bio's sector to the underlying device. (512-byte sectors) */
+	sector_in_target = dm_target_offset(ti, bio->bi_iter.bi_sector);
+	bio->bi_iter.bi_sector = dkc->start + sector_in_target;
+
+	/*
+	 * If the bio should skip dm-default-key (i.e. if it's for an encrypted
+	 * file's contents), or if it doesn't have any data (e.g. if it's a
+	 * DISCARD request), there's nothing more to do.
+	 */
+	if (bio_should_skip_dm_default_key(bio) || !bio_has_data(bio))
+		return DM_MAPIO_REMAPPED;
+
+	/*
+	 * Else, dm-default-key needs to set this bio's encryption context.
+	 * It must not already have one.
+	 */
+	if (WARN_ON_ONCE(bio_has_crypt_ctx(bio)))
+		return DM_MAPIO_KILL;
+
+	/* Calculate the DUN and enforce data-unit (crypto sector) alignment. */
+	dun[0] = dkc->iv_offset + sector_in_target; /* 512-byte sectors */
+	if (dun[0] & ((dkc->sector_size >> SECTOR_SHIFT) - 1))
+		return DM_MAPIO_KILL;
+	dun[0] >>= dkc->sector_bits - SECTOR_SHIFT; /* crypto sectors */
+
+	/*
+	 * This check isn't necessary as we should have calculated max_dun
+	 * correctly, but be safe.
+	 */
+	if (WARN_ON_ONCE(dun[0] > dkc->max_dun))
+		return DM_MAPIO_KILL;
+
+	bio_crypt_set_ctx(bio, &dkc->key, dun, GFP_NOIO);
+
+	return DM_MAPIO_REMAPPED;
+}
+
+static void default_key_status(struct dm_target *ti, status_type_t type,
+			       unsigned int status_flags, char *result,
+			       unsigned int maxlen)
+{
+	const struct default_key_c *dkc = ti->private;
+	unsigned int sz = 0;
+	int num_feature_args = 0;
+
+	switch (type) {
+	case STATUSTYPE_INFO:
+		result[0] = '\0';
+		break;
+
+	case STATUSTYPE_TABLE:
+		/* Omit the key for now. */
+		DMEMIT("%s - %llu %s %llu", dkc->cipher_string, dkc->iv_offset,
+		       dkc->dev->name, (unsigned long long)dkc->start);
+
+		num_feature_args += !!ti->num_discard_bios;
+		if (dkc->sector_size != SECTOR_SIZE)
+			num_feature_args += 2;
+		if (dkc->is_hw_wrapped)
+			num_feature_args += 1;
+		if (num_feature_args != 0) {
+			DMEMIT(" %d", num_feature_args);
+			if (ti->num_discard_bios)
+				DMEMIT(" allow_discards");
+			if (dkc->sector_size != SECTOR_SIZE) {
+				DMEMIT(" sector_size:%u", dkc->sector_size);
+				DMEMIT(" iv_large_sectors");
+			}
+			if (dkc->is_hw_wrapped)
+				DMEMIT(" wrappedkey_v0");
+		}
+		break;
+	}
+}
+
+static int default_key_prepare_ioctl(struct dm_target *ti,
+				     struct block_device **bdev)
+{
+	const struct default_key_c *dkc = ti->private;
+	const struct dm_dev *dev = dkc->dev;
+
+	*bdev = dev->bdev;
+
+	/* Only pass ioctls through if the device sizes match exactly. */
+	if (dkc->start != 0 ||
+	    ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT)
+		return 1;
+	return 0;
+}
+
+static int default_key_iterate_devices(struct dm_target *ti,
+				       iterate_devices_callout_fn fn,
+				       void *data)
+{
+	const struct default_key_c *dkc = ti->private;
+
+	return fn(ti, dkc->dev, dkc->start, ti->len, data);
+}
+
+static void default_key_io_hints(struct dm_target *ti,
+				 struct queue_limits *limits)
+{
+	const struct default_key_c *dkc = ti->private;
+	const unsigned int sector_size = dkc->sector_size;
+
+	limits->logical_block_size =
+		max_t(unsigned int, limits->logical_block_size, sector_size);
+	limits->physical_block_size =
+		max_t(unsigned int, limits->physical_block_size, sector_size);
+	limits->io_min = max_t(unsigned int, limits->io_min, sector_size);
+}
+
+static struct target_type default_key_target = {
+	.name			= "default-key",
+	.version		= {2, 1, 0},
+	.features		= DM_TARGET_PASSES_CRYPTO,
+	.module			= THIS_MODULE,
+	.ctr			= default_key_ctr,
+	.dtr			= default_key_dtr,
+	.map			= default_key_map,
+	.status			= default_key_status,
+	.prepare_ioctl		= default_key_prepare_ioctl,
+	.iterate_devices	= default_key_iterate_devices,
+	.io_hints		= default_key_io_hints,
+};
+
+static int __init dm_default_key_init(void)
+{
+	return dm_register_target(&default_key_target);
+}
+
+static void __exit dm_default_key_exit(void)
+{
+	dm_unregister_target(&default_key_target);
+}
+
+module_init(dm_default_key_init);
+module_exit(dm_default_key_exit);
+
+MODULE_AUTHOR("Paul Lawrence <paullawrence@google.com>");
+MODULE_AUTHOR("Paul Crowley <paulcrowley@google.com>");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_DESCRIPTION(DM_NAME " target for encrypting filesystem metadata");
+MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index faae360..aeea538 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -488,8 +488,10 @@
 	.name   = "flakey",
 	.version = {1, 5, 0},
 #ifdef CONFIG_BLK_DEV_ZONED
-	.features = DM_TARGET_ZONED_HM,
+	.features = DM_TARGET_ZONED_HM | DM_TARGET_PASSES_CRYPTO,
 	.report_zones = flakey_report_zones,
+#else
+	.features = DM_TARGET_PASSES_CRYPTO,
 #endif
 	.module = THIS_MODULE,
 	.ctr    = flakey_ctr,
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 4312007..2d3cda0 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -341,8 +341,8 @@
 			num_bvecs = 1;
 			break;
 		default:
-			num_bvecs = min_t(int, BIO_MAX_PAGES,
-					  dm_sector_div_up(remaining, (PAGE_SIZE >> SECTOR_SHIFT)));
+			num_bvecs = bio_max_segs(dm_sector_div_up(remaining,
+						(PAGE_SIZE >> SECTOR_SHIFT)));
 		}
 
 		bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, &io->client->bios);
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 00774b5..fc9c427 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -229,10 +229,11 @@
 	.version = {1, 4, 0},
 #ifdef CONFIG_BLK_DEV_ZONED
 	.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT |
-		    DM_TARGET_ZONED_HM,
+		    DM_TARGET_ZONED_HM | DM_TARGET_PASSES_CRYPTO,
 	.report_zones = linear_report_zones,
 #else
-	.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT,
+	.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT |
+		    DM_TARGET_PASSES_CRYPTO,
 #endif
 	.module = THIS_MODULE,
 	.ctr    = linear_ctr,
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c
index e3d35c6..5788265 100644
--- a/drivers/md/dm-log-writes.c
+++ b/drivers/md/dm-log-writes.c
@@ -264,15 +264,14 @@
 			     size_t entrylen, void *data, size_t datalen,
 			     sector_t sector)
 {
-	int num_pages, bio_pages, pg_datalen, pg_sectorlen, i;
+	int bio_pages, pg_datalen, pg_sectorlen, i;
 	struct page *page;
 	struct bio *bio;
 	size_t ret;
 	void *ptr;
 
 	while (datalen) {
-		num_pages = ALIGN(datalen, PAGE_SIZE) >> PAGE_SHIFT;
-		bio_pages = min(num_pages, BIO_MAX_PAGES);
+		bio_pages = bio_max_segs(DIV_ROUND_UP(datalen, PAGE_SIZE));
 
 		atomic_inc(&lc->io_blocks);
 
@@ -364,7 +363,7 @@
 		goto out;
 
 	atomic_inc(&lc->io_blocks);
-	bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt, BIO_MAX_PAGES));
+	bio = bio_alloc(GFP_KERNEL, bio_max_segs(block->vec_cnt));
 	if (!bio) {
 		DMERR("Couldn't alloc log bio");
 		goto error;
@@ -386,7 +385,8 @@
 		if (ret != block->vecs[i].bv_len) {
 			atomic_inc(&lc->io_blocks);
 			submit_bio(bio);
-			bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt - i, BIO_MAX_PAGES));
+			bio = bio_alloc(GFP_KERNEL,
+					bio_max_segs(block->vec_cnt - i));
 			if (!bio) {
 				DMERR("Couldn't alloc log bio");
 				goto error;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 5c59089..743bdb1 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -187,6 +187,8 @@
 	}
 }
 
+static void dm_table_destroy_keyslot_manager(struct dm_table *t);
+
 void dm_table_destroy(struct dm_table *t)
 {
 	unsigned int i;
@@ -215,6 +217,8 @@
 
 	dm_free_md_mempools(t->mempools);
 
+	dm_table_destroy_keyslot_manager(t);
+
 	kfree(t);
 }
 
@@ -1210,6 +1214,278 @@
 	return 0;
 }
 
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+
+struct dm_keyslot_manager {
+	struct blk_keyslot_manager ksm;
+	struct mapped_device *md;
+};
+
+static int dm_keyslot_evict_callback(struct dm_target *ti, struct dm_dev *dev,
+				     sector_t start, sector_t len, void *data)
+{
+	const struct blk_crypto_key *key = data;
+
+	blk_crypto_evict_key(bdev_get_queue(dev->bdev), key);
+	return 0;
+}
+
+/*
+ * When an inline encryption key is evicted from a device-mapper device, evict
+ * it from all the underlying devices.
+ */
+static int dm_keyslot_evict(struct blk_keyslot_manager *ksm,
+			    const struct blk_crypto_key *key, unsigned int slot)
+{
+	struct dm_keyslot_manager *dksm = container_of(ksm,
+						       struct dm_keyslot_manager,
+						       ksm);
+	struct mapped_device *md = dksm->md;
+	struct dm_table *t;
+	int srcu_idx;
+	int i;
+	struct dm_target *ti;
+
+	t = dm_get_live_table(md, &srcu_idx);
+	if (!t)
+		return 0;
+	for (i = 0; i < dm_table_get_num_targets(t); i++) {
+		ti = dm_table_get_target(t, i);
+		if (!ti->type->iterate_devices)
+			continue;
+		ti->type->iterate_devices(ti, dm_keyslot_evict_callback,
+					  (void *)key);
+	}
+	dm_put_live_table(md, srcu_idx);
+	return 0;
+}
+
+struct dm_derive_raw_secret_args {
+	const u8 *wrapped_key;
+	unsigned int wrapped_key_size;
+	u8 *secret;
+	unsigned int secret_size;
+	int err;
+};
+
+static int dm_derive_raw_secret_callback(struct dm_target *ti,
+					 struct dm_dev *dev, sector_t start,
+					 sector_t len, void *data)
+{
+	struct dm_derive_raw_secret_args *args = data;
+	struct request_queue *q = bdev_get_queue(dev->bdev);
+
+	if (!args->err)
+		return 0;
+
+	if (!q->ksm) {
+		args->err = -EOPNOTSUPP;
+		return 0;
+	}
+
+	args->err = blk_ksm_derive_raw_secret(q->ksm, args->wrapped_key,
+					      args->wrapped_key_size,
+					      args->secret,
+					      args->secret_size);
+	/* Try another device in case this fails. */
+	return 0;
+}
+
+/*
+ * Retrieve the raw_secret from the underlying device.  Given that only one
+ * raw_secret can exist for a particular wrappedkey, retrieve it only from the
+ * first device that supports derive_raw_secret().
+ */
+static int dm_derive_raw_secret(struct blk_keyslot_manager *ksm,
+				const u8 *wrapped_key,
+				unsigned int wrapped_key_size,
+				u8 *secret, unsigned int secret_size)
+{
+	struct dm_keyslot_manager *dksm = container_of(ksm,
+						       struct dm_keyslot_manager,
+						       ksm);
+	struct mapped_device *md = dksm->md;
+	struct dm_derive_raw_secret_args args = {
+		.wrapped_key = wrapped_key,
+		.wrapped_key_size = wrapped_key_size,
+		.secret = secret,
+		.secret_size = secret_size,
+		.err = -EOPNOTSUPP,
+	};
+	struct dm_table *t;
+	int srcu_idx;
+	int i;
+	struct dm_target *ti;
+
+	t = dm_get_live_table(md, &srcu_idx);
+	if (!t)
+		return -EOPNOTSUPP;
+	for (i = 0; i < dm_table_get_num_targets(t); i++) {
+		ti = dm_table_get_target(t, i);
+		if (!ti->type->iterate_devices)
+			continue;
+		ti->type->iterate_devices(ti, dm_derive_raw_secret_callback,
+					  &args);
+		if (!args.err)
+			break;
+	}
+	dm_put_live_table(md, srcu_idx);
+	return args.err;
+}
+
+
+static struct blk_ksm_ll_ops dm_ksm_ll_ops = {
+	.keyslot_evict = dm_keyslot_evict,
+	.derive_raw_secret = dm_derive_raw_secret,
+};
+
+static int device_intersect_crypto_modes(struct dm_target *ti,
+					 struct dm_dev *dev, sector_t start,
+					 sector_t len, void *data)
+{
+	struct blk_keyslot_manager *parent = data;
+	struct blk_keyslot_manager *child = bdev_get_queue(dev->bdev)->ksm;
+
+	blk_ksm_intersect_modes(parent, child);
+	return 0;
+}
+
+void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm)
+{
+	struct dm_keyslot_manager *dksm = container_of(ksm,
+						       struct dm_keyslot_manager,
+						       ksm);
+
+	if (!ksm)
+		return;
+
+	blk_ksm_destroy(ksm);
+	kfree(dksm);
+}
+
+static void dm_table_destroy_keyslot_manager(struct dm_table *t)
+{
+	dm_destroy_keyslot_manager(t->ksm);
+	t->ksm = NULL;
+}
+
+/*
+ * Constructs and initializes t->ksm with a keyslot manager that
+ * represents the common set of crypto capabilities of the devices
+ * described by the dm_table. However, if the constructed keyslot
+ * manager does not support a superset of the crypto capabilities
+ * supported by the current keyslot manager of the mapped_device,
+ * it returns an error instead, since we don't support restricting
+ * crypto capabilities on table changes. Finally, if the constructed
+ * keyslot manager doesn't actually support any crypto modes at all,
+ * it just returns NULL.
+ */
+static int dm_table_construct_keyslot_manager(struct dm_table *t)
+{
+	struct dm_keyslot_manager *dksm;
+	struct blk_keyslot_manager *ksm;
+	struct dm_target *ti;
+	unsigned int i;
+	bool ksm_is_empty = true;
+
+	dksm = kmalloc(sizeof(*dksm), GFP_KERNEL);
+	if (!dksm)
+		return -ENOMEM;
+	dksm->md = t->md;
+
+	ksm = &dksm->ksm;
+	blk_ksm_init_passthrough(ksm);
+	ksm->ksm_ll_ops = dm_ksm_ll_ops;
+	ksm->max_dun_bytes_supported = UINT_MAX;
+	memset(ksm->crypto_modes_supported, 0xFF,
+	       sizeof(ksm->crypto_modes_supported));
+	ksm->features = BLK_CRYPTO_FEATURE_STANDARD_KEYS |
+			BLK_CRYPTO_FEATURE_WRAPPED_KEYS;
+
+	for (i = 0; i < dm_table_get_num_targets(t); i++) {
+		ti = dm_table_get_target(t, i);
+
+		if (!dm_target_passes_crypto(ti->type)) {
+			blk_ksm_intersect_modes(ksm, NULL);
+			break;
+		}
+		if (!ti->type->iterate_devices)
+			continue;
+		ti->type->iterate_devices(ti, device_intersect_crypto_modes,
+					  ksm);
+	}
+
+	if (t->md->queue && !blk_ksm_is_superset(ksm, t->md->queue->ksm)) {
+		DMWARN("Inline encryption capabilities of new DM table were more restrictive than the old table's. This is not supported!");
+		dm_destroy_keyslot_manager(ksm);
+		return -EINVAL;
+	}
+
+	/*
+	 * If the new KSM doesn't actually support any crypto modes, we may as
+	 * well represent it with a NULL ksm.
+	 */
+	ksm_is_empty = true;
+	for (i = 0; i < ARRAY_SIZE(ksm->crypto_modes_supported); i++) {
+		if (ksm->crypto_modes_supported[i]) {
+			ksm_is_empty = false;
+			break;
+		}
+	}
+
+	if (ksm_is_empty) {
+		dm_destroy_keyslot_manager(ksm);
+		ksm = NULL;
+	}
+
+	/*
+	 * t->ksm is only set temporarily while the table is being set
+	 * up, and it gets set to NULL after the capabilities have
+	 * been transferred to the request_queue.
+	 */
+	t->ksm = ksm;
+
+	return 0;
+}
+
+static void dm_update_keyslot_manager(struct request_queue *q,
+				      struct dm_table *t)
+{
+	if (!t->ksm)
+		return;
+
+	/* Make the ksm less restrictive */
+	if (!q->ksm) {
+		blk_ksm_register(t->ksm, q);
+	} else {
+		blk_ksm_update_capabilities(q->ksm, t->ksm);
+		dm_destroy_keyslot_manager(t->ksm);
+	}
+	t->ksm = NULL;
+}
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+static int dm_table_construct_keyslot_manager(struct dm_table *t)
+{
+	return 0;
+}
+
+void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm)
+{
+}
+
+static void dm_table_destroy_keyslot_manager(struct dm_table *t)
+{
+}
+
+static void dm_update_keyslot_manager(struct request_queue *q,
+				      struct dm_table *t)
+{
+}
+
+#endif /* !CONFIG_BLK_INLINE_ENCRYPTION */
+
 /*
  * Prepares the table for use by building the indices,
  * setting the type, and allocating mempools.
@@ -1236,6 +1512,12 @@
 		return r;
 	}
 
+	r = dm_table_construct_keyslot_manager(t);
+	if (r) {
+		DMERR("could not construct keyslot manager.");
+		return r;
+	}
+
 	r = dm_table_alloc_md_mempools(t, t->md);
 	if (r)
 		DMERR("unable to allocate mempools");
@@ -1887,6 +2169,7 @@
 	}
 #endif
 
+	dm_update_keyslot_manager(q, t);
 	blk_queue_update_readahead(q);
 }
 
diff --git a/drivers/md/dm-user.c b/drivers/md/dm-user.c
new file mode 100644
index 0000000..a8d7718
--- /dev/null
+++ b/drivers/md/dm-user.c
@@ -0,0 +1,1290 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Google, Inc
+ * Copyright (C) 2020 Palmer Dabbelt <palmerdabbelt@google.com>
+ */
+
+#include <linux/device-mapper.h>
+#include <uapi/linux/dm-user.h>
+
+#include <linux/bio.h>
+#include <linux/init.h>
+#include <linux/mempool.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/poll.h>
+#include <linux/uio.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+
+#define DM_MSG_PREFIX "user"
+
+#define MAX_OUTSTANDING_MESSAGES 128
+
+static unsigned int daemon_timeout_msec = 4000;
+module_param_named(dm_user_daemon_timeout_msec, daemon_timeout_msec, uint,
+		   0644);
+MODULE_PARM_DESC(dm_user_daemon_timeout_msec,
+		 "IO Timeout in msec if daemon does not process");
+
+/*
+ * dm-user uses four structures:
+ *
+ *  - "struct target", the outermost structure, corresponds to a single device
+ *    mapper target.  This contains the set of outstanding BIOs that have been
+ *    provided by DM and are not actively being processed by the user, along
+ *    with a misc device that userspace can open to communicate with the
+ *    kernel.  Each time userspaces opens the misc device a new channel is
+ *    created.
+ *  - "struct channel", which represents a single active communication channel
+ *    with userspace.  Userspace may choose arbitrary read/write sizes to use
+ *    when processing messages, channels form these into logical accesses.
+ *    When userspace responds to a full message the channel completes the BIO
+ *    and obtains a new message to process from the target.
+ *  - "struct message", which wraps a BIO with the additional information
+ *    required by the kernel to sort out what to do with BIOs when they return
+ *    from userspace.
+ *  - "struct dm_user_message", which is the exact message format that
+ *    userspace sees.
+ *
+ * The hot path contains three distinct operations:
+ *
+ *  - user_map(), which is provided a BIO from device mapper that is queued
+ *    into the target.  This allocates and enqueues a new message.
+ *  - dev_read(), which dequeues a message, copies it to userspace.
+ *  - dev_write(), which looks up a message (keyed by sequence number) and
+ *    completes the corresponding BIO.
+ *
+ * Lock ordering (outer to inner)
+ *
+ * 1) miscdevice's global lock.  This is held around dev_open, so it has to be
+ *    the outermost lock.
+ * 2) target->lock
+ * 3) channel->lock
+ */
+
+struct message {
+	/*
+	 * Messages themselves do not need a lock, they're protected by either
+	 * the target or channel's lock, depending on which can reference them
+	 * directly.
+	 */
+	struct dm_user_message msg;
+	struct bio *bio;
+	size_t posn_to_user;
+	size_t total_to_user;
+	size_t posn_from_user;
+	size_t total_from_user;
+
+	struct list_head from_user;
+	struct list_head to_user;
+
+	/*
+	 * These are written back from the user.  They live in the same spot in
+	 * the message, but we need to either keep the old values around or
+	 * call a bunch more BIO helpers.  These are only valid after write has
+	 * adopted the message.
+	 */
+	u64 return_type;
+	u64 return_flags;
+
+	struct delayed_work work;
+	bool delayed;
+	struct target *t;
+};
+
+struct target {
+	/*
+	 * A target has a single lock, which protects everything in the target
+	 * (but does not protect the channels associated with a target).
+	 */
+	struct mutex lock;
+
+	/*
+	 * There is only one point at which anything blocks: userspace blocks
+	 * reading a new message, which is woken up by device mapper providing
+	 * a new BIO to process (or tearing down the target).  The
+	 * corresponding write side doesn't block, instead we treat userspace's
+	 * response containing a message that has yet to be mapped as an
+	 * invalid operation.
+	 */
+	struct wait_queue_head wq;
+
+	/*
+	 * Messages are delivered to userspace in order, but may be returned
+	 * out of order.  This allows userspace to schedule IO if it wants to.
+	 */
+	mempool_t message_pool;
+	u64 next_seq_to_map;
+	u64 next_seq_to_user;
+	struct list_head to_user;
+
+	/*
+	 * There is a misc device per target.  The name is selected by
+	 * userspace (via a DM create ioctl argument), and each ends up in
+	 * /dev/dm-user/.  It looks like a better way to do this may be to have
+	 * a filesystem to manage these, but this was more expedient.  The
+	 * current mechanism is functional, but does result in an arbitrary
+	 * number of dynamically created misc devices.
+	 */
+	struct miscdevice miscdev;
+
+	/*
+	 * Device mapper's target destructor triggers tearing this all down,
+	 * but we can't actually free until every channel associated with this
+	 * target has been destroyed.  Channels each have a reference to their
+	 * target, and there is an additional single reference that corresponds
+	 * to both DM and the misc device (both of which are destroyed by DM).
+	 *
+	 * In the common case userspace will be asleep waiting for a new
+	 * message when device mapper decides to destroy the target, which
+	 * means no new messages will appear.  The destroyed flag triggers a
+	 * wakeup, which will end up removing the reference.
+	 */
+	struct kref references;
+	int dm_destroyed;
+	bool daemon_terminated;
+};
+
+struct channel {
+	struct target *target;
+
+	/*
+	 * A channel has a single lock, which prevents multiple reads (or
+	 * multiple writes) from conflicting with each other.
+	 */
+	struct mutex lock;
+
+	struct message *cur_to_user;
+	struct message *cur_from_user;
+	ssize_t to_user_error;
+	ssize_t from_user_error;
+
+	/*
+	 * Once a message has been forwarded to userspace on a channel it must
+	 * be responded to on the same channel.  This allows us to error out
+	 * the messages that have not yet been responded to by a channel when
+	 * that channel closes, which makes handling errors more reasonable for
+	 * fault-tolerant userspace daemons.  It also happens to make avoiding
+	 * shared locks between user_map() and dev_read() a lot easier.
+	 *
+	 * This does preclude a multi-threaded work stealing userspace
+	 * implementation (or at least, force a degree of head-of-line blocking
+	 * on the response path).
+	 */
+	struct list_head from_user;
+
+	/*
+	 * Responses from userspace can arrive in arbitrarily small chunks.
+	 * We need some place to buffer one up until we can find the
+	 * corresponding kernel-side message to continue processing, so instead
+	 * of allocating them we just keep one off to the side here.  This can
+	 * only ever be pointer to by from_user_cur, and will never have a BIO.
+	 */
+	struct message scratch_message_from_user;
+};
+
+static void message_kill(struct message *m, mempool_t *pool)
+{
+	m->bio->bi_status = BLK_STS_IOERR;
+	bio_endio(m->bio);
+	mempool_free(m, pool);
+}
+
+static inline bool is_user_space_thread_present(struct target *t)
+{
+	lockdep_assert_held(&t->lock);
+	return (kref_read(&t->references) > 1);
+}
+
+static void process_delayed_work(struct work_struct *work)
+{
+	struct delayed_work *del_work = to_delayed_work(work);
+	struct message *msg = container_of(del_work, struct message, work);
+
+	struct target *t = msg->t;
+
+	mutex_lock(&t->lock);
+
+	/*
+	 * There is a atleast one thread to process the IO.
+	 */
+	if (is_user_space_thread_present(t)) {
+		mutex_unlock(&t->lock);
+		return;
+	}
+
+	/*
+	 * Terminate the IO with an error
+	 */
+	list_del(&msg->to_user);
+	pr_err("I/O error: sector %llu: no user-space daemon for %s target\n",
+	       msg->bio->bi_iter.bi_sector,
+	       t->miscdev.name);
+	message_kill(msg, &t->message_pool);
+	mutex_unlock(&t->lock);
+}
+
+static void enqueue_delayed_work(struct message *m, bool is_delay)
+{
+	unsigned long delay = 0;
+
+	m->delayed = true;
+	INIT_DELAYED_WORK(&m->work, process_delayed_work);
+
+	/*
+	 * Snapuserd daemon is the user-space process
+	 * which processes IO request from dm-user
+	 * when OTA is applied. Per the current design,
+	 * when a dm-user target is created, daemon
+	 * attaches to target and starts processing
+	 * the IO's. Daemon is terminated only when
+	 * dm-user target is destroyed.
+	 *
+	 * If for some reason, daemon crashes or terminates early,
+	 * without destroying the dm-user target; then
+	 * there is no mechanism to restart the daemon
+	 * and start processing the IO's from the same target.
+	 * Theoretically, it is possible but that infrastructure
+	 * doesn't exist in the android ecosystem.
+	 *
+	 * Thus, when the daemon terminates, there is no way the IO's
+	 * issued on that target will be processed. Hence,
+	 * we set the delay to 0 and fail the IO's immediately.
+	 *
+	 * On the other hand, when a new dm-user target is created,
+	 * we wait for the daemon to get attached for the first time.
+	 * This primarily happens when init first stage spins up
+	 * the daemon. At this point, since the snapshot device is mounted
+	 * of a root filesystem, dm-user target may receive IO request
+	 * even though daemon is not fully launched. We don't want
+	 * to fail those IO requests immediately. Thus, we queue these
+	 * requests with a timeout so that daemon is ready to process
+	 * those IO requests. Again, if the daemon fails to launch within
+	 * the timeout period, then IO's will be failed.
+	 */
+	if (is_delay)
+		delay = msecs_to_jiffies(daemon_timeout_msec);
+
+	queue_delayed_work(system_wq, &m->work, delay);
+}
+
+static inline struct target *target_from_target(struct dm_target *target)
+{
+	WARN_ON(target->private == NULL);
+	return target->private;
+}
+
+static inline struct target *target_from_miscdev(struct miscdevice *miscdev)
+{
+	return container_of(miscdev, struct target, miscdev);
+}
+
+static inline struct channel *channel_from_file(struct file *file)
+{
+	WARN_ON(file->private_data == NULL);
+	return file->private_data;
+}
+
+static inline struct target *target_from_channel(struct channel *c)
+{
+	WARN_ON(c->target == NULL);
+	return c->target;
+}
+
+static inline size_t bio_size(struct bio *bio)
+{
+	struct bio_vec bvec;
+	struct bvec_iter iter;
+	size_t out = 0;
+
+	bio_for_each_segment (bvec, bio, iter)
+		out += bio_iter_len(bio, iter);
+	return out;
+}
+
+static inline size_t bio_bytes_needed_to_user(struct bio *bio)
+{
+	switch (bio_op(bio)) {
+	case REQ_OP_WRITE:
+		return sizeof(struct dm_user_message) + bio_size(bio);
+	case REQ_OP_READ:
+	case REQ_OP_FLUSH:
+	case REQ_OP_DISCARD:
+	case REQ_OP_SECURE_ERASE:
+	case REQ_OP_WRITE_SAME:
+	case REQ_OP_WRITE_ZEROES:
+		return sizeof(struct dm_user_message);
+
+	/*
+	 * These ops are not passed to userspace under the assumption that
+	 * they're not going to be particularly useful in that context.
+	 */
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static inline size_t bio_bytes_needed_from_user(struct bio *bio)
+{
+	switch (bio_op(bio)) {
+	case REQ_OP_READ:
+		return sizeof(struct dm_user_message) + bio_size(bio);
+	case REQ_OP_WRITE:
+	case REQ_OP_FLUSH:
+	case REQ_OP_DISCARD:
+	case REQ_OP_SECURE_ERASE:
+	case REQ_OP_WRITE_SAME:
+	case REQ_OP_WRITE_ZEROES:
+		return sizeof(struct dm_user_message);
+
+	/*
+	 * These ops are not passed to userspace under the assumption that
+	 * they're not going to be particularly useful in that context.
+	 */
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static inline long bio_type_to_user_type(struct bio *bio)
+{
+	switch (bio_op(bio)) {
+	case REQ_OP_READ:
+		return DM_USER_REQ_MAP_READ;
+	case REQ_OP_WRITE:
+		return DM_USER_REQ_MAP_WRITE;
+	case REQ_OP_FLUSH:
+		return DM_USER_REQ_MAP_FLUSH;
+	case REQ_OP_DISCARD:
+		return DM_USER_REQ_MAP_DISCARD;
+	case REQ_OP_SECURE_ERASE:
+		return DM_USER_REQ_MAP_SECURE_ERASE;
+	case REQ_OP_WRITE_SAME:
+		return DM_USER_REQ_MAP_WRITE_SAME;
+	case REQ_OP_WRITE_ZEROES:
+		return DM_USER_REQ_MAP_WRITE_ZEROES;
+
+	/*
+	 * These ops are not passed to userspace under the assumption that
+	 * they're not going to be particularly useful in that context.
+	 */
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static inline long bio_flags_to_user_flags(struct bio *bio)
+{
+	u64 out = 0;
+	typeof(bio->bi_opf) opf = bio->bi_opf & ~REQ_OP_MASK;
+
+	if (opf & REQ_FAILFAST_DEV) {
+		opf &= ~REQ_FAILFAST_DEV;
+		out |= DM_USER_REQ_MAP_FLAG_FAILFAST_DEV;
+	}
+
+	if (opf & REQ_FAILFAST_TRANSPORT) {
+		opf &= ~REQ_FAILFAST_TRANSPORT;
+		out |= DM_USER_REQ_MAP_FLAG_FAILFAST_TRANSPORT;
+	}
+
+	if (opf & REQ_FAILFAST_DRIVER) {
+		opf &= ~REQ_FAILFAST_DRIVER;
+		out |= DM_USER_REQ_MAP_FLAG_FAILFAST_DRIVER;
+	}
+
+	if (opf & REQ_SYNC) {
+		opf &= ~REQ_SYNC;
+		out |= DM_USER_REQ_MAP_FLAG_SYNC;
+	}
+
+	if (opf & REQ_META) {
+		opf &= ~REQ_META;
+		out |= DM_USER_REQ_MAP_FLAG_META;
+	}
+
+	if (opf & REQ_PRIO) {
+		opf &= ~REQ_PRIO;
+		out |= DM_USER_REQ_MAP_FLAG_PRIO;
+	}
+
+	if (opf & REQ_NOMERGE) {
+		opf &= ~REQ_NOMERGE;
+		out |= DM_USER_REQ_MAP_FLAG_NOMERGE;
+	}
+
+	if (opf & REQ_IDLE) {
+		opf &= ~REQ_IDLE;
+		out |= DM_USER_REQ_MAP_FLAG_IDLE;
+	}
+
+	if (opf & REQ_INTEGRITY) {
+		opf &= ~REQ_INTEGRITY;
+		out |= DM_USER_REQ_MAP_FLAG_INTEGRITY;
+	}
+
+	if (opf & REQ_FUA) {
+		opf &= ~REQ_FUA;
+		out |= DM_USER_REQ_MAP_FLAG_FUA;
+	}
+
+	if (opf & REQ_PREFLUSH) {
+		opf &= ~REQ_PREFLUSH;
+		out |= DM_USER_REQ_MAP_FLAG_PREFLUSH;
+	}
+
+	if (opf & REQ_RAHEAD) {
+		opf &= ~REQ_RAHEAD;
+		out |= DM_USER_REQ_MAP_FLAG_RAHEAD;
+	}
+
+	if (opf & REQ_BACKGROUND) {
+		opf &= ~REQ_BACKGROUND;
+		out |= DM_USER_REQ_MAP_FLAG_BACKGROUND;
+	}
+
+	if (opf & REQ_NOWAIT) {
+		opf &= ~REQ_NOWAIT;
+		out |= DM_USER_REQ_MAP_FLAG_NOWAIT;
+	}
+
+	if (opf & REQ_NOUNMAP) {
+		opf &= ~REQ_NOUNMAP;
+		out |= DM_USER_REQ_MAP_FLAG_NOUNMAP;
+	}
+
+	if (unlikely(opf)) {
+		pr_warn("unsupported BIO type %x\n", opf);
+		return -EOPNOTSUPP;
+	}
+	WARN_ON(out < 0);
+	return out;
+}
+
+/*
+ * Not quite what's in blk-map.c, but instead what I thought the functions in
+ * blk-map did.  This one seems more generally useful and I think we could
+ * write the blk-map version in terms of this one.  The differences are that
+ * this has a return value that counts, and blk-map uses the BIO _all iters.
+ * Neither  advance the BIO iter but don't advance the IOV iter, which is a bit
+ * odd here.
+ */
+static ssize_t bio_copy_from_iter(struct bio *bio, struct iov_iter *iter)
+{
+	struct bio_vec bvec;
+	struct bvec_iter biter;
+	ssize_t out = 0;
+
+	bio_for_each_segment (bvec, bio, biter) {
+		ssize_t ret;
+
+		ret = copy_page_from_iter(bvec.bv_page, bvec.bv_offset,
+					  bvec.bv_len, iter);
+
+		/*
+		 * FIXME: I thought that IOV copies had a mechanism for
+		 * terminating early, if for example a signal came in while
+		 * sleeping waiting for a page to be mapped, but I don't see
+		 * where that would happen.
+		 */
+		WARN_ON(ret < 0);
+		out += ret;
+
+		if (!iov_iter_count(iter))
+			break;
+
+		if (ret < bvec.bv_len)
+			return ret;
+	}
+
+	return out;
+}
+
+static ssize_t bio_copy_to_iter(struct bio *bio, struct iov_iter *iter)
+{
+	struct bio_vec bvec;
+	struct bvec_iter biter;
+	ssize_t out = 0;
+
+	bio_for_each_segment (bvec, bio, biter) {
+		ssize_t ret;
+
+		ret = copy_page_to_iter(bvec.bv_page, bvec.bv_offset,
+					bvec.bv_len, iter);
+
+		/* as above */
+		WARN_ON(ret < 0);
+		out += ret;
+
+		if (!iov_iter_count(iter))
+			break;
+
+		if (ret < bvec.bv_len)
+			return ret;
+	}
+
+	return out;
+}
+
+static ssize_t msg_copy_to_iov(struct message *msg, struct iov_iter *to)
+{
+	ssize_t copied = 0;
+
+	if (!iov_iter_count(to))
+		return 0;
+
+	if (msg->posn_to_user < sizeof(msg->msg)) {
+		copied = copy_to_iter((char *)(&msg->msg) + msg->posn_to_user,
+				      sizeof(msg->msg) - msg->posn_to_user, to);
+	} else {
+		copied = bio_copy_to_iter(msg->bio, to);
+		if (copied > 0)
+			bio_advance(msg->bio, copied);
+	}
+
+	if (copied < 0)
+		return copied;
+
+	msg->posn_to_user += copied;
+	return copied;
+}
+
+static ssize_t msg_copy_from_iov(struct message *msg, struct iov_iter *from)
+{
+	ssize_t copied = 0;
+
+	if (!iov_iter_count(from))
+		return 0;
+
+	if (msg->posn_from_user < sizeof(msg->msg)) {
+		copied = copy_from_iter(
+			(char *)(&msg->msg) + msg->posn_from_user,
+			sizeof(msg->msg) - msg->posn_from_user, from);
+	} else {
+		copied = bio_copy_from_iter(msg->bio, from);
+		if (copied > 0)
+			bio_advance(msg->bio, copied);
+	}
+
+	if (copied < 0)
+		return copied;
+
+	msg->posn_from_user += copied;
+	return copied;
+}
+
+static struct message *msg_get_map(struct target *t)
+{
+	struct message *m;
+
+	lockdep_assert_held(&t->lock);
+
+	m = mempool_alloc(&t->message_pool, GFP_NOIO);
+	m->msg.seq = t->next_seq_to_map++;
+	INIT_LIST_HEAD(&m->to_user);
+	INIT_LIST_HEAD(&m->from_user);
+	return m;
+}
+
+static struct message *msg_get_to_user(struct target *t)
+{
+	struct message *m;
+
+	lockdep_assert_held(&t->lock);
+
+	if (list_empty(&t->to_user))
+		return NULL;
+
+	m = list_first_entry(&t->to_user, struct message, to_user);
+
+	list_del(&m->to_user);
+
+	/*
+	 * If the IO was queued to workqueue since there
+	 * was no daemon to service the IO, then we
+	 * will have to cancel the delayed work as the
+	 * IO will be processed by this user-space thread.
+	 *
+	 * If the delayed work was already picked up for
+	 * processing, then wait for it to complete. Note
+	 * that the IO will not be terminated by the work
+	 * queue thread.
+	 */
+	if (unlikely(m->delayed)) {
+		mutex_unlock(&t->lock);
+		cancel_delayed_work_sync(&m->work);
+		mutex_lock(&t->lock);
+	}
+	return m;
+}
+
+static struct message *msg_get_from_user(struct channel *c, u64 seq)
+{
+	struct message *m;
+	struct list_head *cur, *tmp;
+
+	lockdep_assert_held(&c->lock);
+
+	list_for_each_safe (cur, tmp, &c->from_user) {
+		m = list_entry(cur, struct message, from_user);
+		if (m->msg.seq == seq) {
+			list_del(&m->from_user);
+			return m;
+		}
+	}
+
+	return NULL;
+}
+
+/*
+ * Returns 0 when there is no work left to do.  This must be callable without
+ * holding the target lock, as it is part of the waitqueue's check expression.
+ * When called without the lock it may spuriously indicate there is remaining
+ * work, but when called with the lock it must be accurate.
+ */
+int target_poll(struct target *t)
+{
+	return !list_empty(&t->to_user) || t->dm_destroyed;
+}
+
+void target_release(struct kref *ref)
+{
+	struct target *t = container_of(ref, struct target, references);
+	struct list_head *cur, *tmp;
+
+	/*
+	 * There may be outstanding BIOs that have not yet been given to
+	 * userspace.  At this point there's nothing we can do about them, as
+	 * there are and will never be any channels.
+	 */
+	list_for_each_safe (cur, tmp, &t->to_user) {
+		struct message *m = list_entry(cur, struct message, to_user);
+
+		if (unlikely(m->delayed)) {
+			bool ret;
+
+			mutex_unlock(&t->lock);
+			ret = cancel_delayed_work_sync(&m->work);
+			mutex_lock(&t->lock);
+			if (!ret)
+				continue;
+		}
+		message_kill(m, &t->message_pool);
+	}
+
+	mempool_exit(&t->message_pool);
+	mutex_unlock(&t->lock);
+	mutex_destroy(&t->lock);
+	kfree(t);
+}
+
+void target_put(struct target *t)
+{
+	/*
+	 * This both releases a reference to the target and the lock.  We leave
+	 * it up to the caller to hold the lock, as they probably needed it for
+	 * something else.
+	 */
+	lockdep_assert_held(&t->lock);
+
+	if (!kref_put(&t->references, target_release)) {
+		/*
+		 * User-space thread is getting terminated.
+		 * We need to scan the list for all those
+		 * pending IO's which were not processed yet
+		 * and put them back to work-queue for delayed
+		 * processing.
+		 */
+		if (!is_user_space_thread_present(t)) {
+			struct list_head *cur, *tmp;
+
+			list_for_each_safe(cur, tmp, &t->to_user) {
+				struct message *m = list_entry(cur,
+							       struct message,
+							       to_user);
+				if (!m->delayed)
+					enqueue_delayed_work(m, false);
+			}
+			/*
+			 * Daemon attached to this target is terminated.
+			 */
+			t->daemon_terminated = true;
+		}
+		mutex_unlock(&t->lock);
+	}
+}
+
+static struct channel *channel_alloc(struct target *t)
+{
+	struct channel *c;
+
+	lockdep_assert_held(&t->lock);
+
+	c = kzalloc(sizeof(*c), GFP_KERNEL);
+	if (c == NULL)
+		return NULL;
+
+	kref_get(&t->references);
+	c->target = t;
+	c->cur_from_user = &c->scratch_message_from_user;
+	mutex_init(&c->lock);
+	INIT_LIST_HEAD(&c->from_user);
+	return c;
+}
+
+void channel_free(struct channel *c)
+{
+	struct list_head *cur, *tmp;
+
+	lockdep_assert_held(&c->lock);
+
+	/*
+	 * There may be outstanding BIOs that have been given to userspace but
+	 * have not yet been completed.  The channel has been shut down so
+	 * there's no way to process the rest of those messages, so we just go
+	 * ahead and error out the BIOs.  Hopefully whatever's on the other end
+	 * can handle the errors.  One could imagine splitting the BIOs and
+	 * completing as much as we got, but that seems like overkill here.
+	 *
+	 * Our only other options would be to let the BIO hang around (which
+	 * seems way worse) or to resubmit it to userspace in the hope there's
+	 * another channel.  I don't really like the idea of submitting a
+	 * message twice.
+	 */
+	if (c->cur_to_user != NULL)
+		message_kill(c->cur_to_user, &c->target->message_pool);
+	if (c->cur_from_user != &c->scratch_message_from_user)
+		message_kill(c->cur_from_user, &c->target->message_pool);
+	list_for_each_safe (cur, tmp, &c->from_user)
+		message_kill(list_entry(cur, struct message, from_user),
+			     &c->target->message_pool);
+
+	mutex_lock(&c->target->lock);
+	target_put(c->target);
+	mutex_unlock(&c->lock);
+	mutex_destroy(&c->lock);
+	kfree(c);
+}
+
+static int dev_open(struct inode *inode, struct file *file)
+{
+	struct channel *c;
+	struct target *t;
+
+	/*
+	 * This is called by miscdev, which sets private_data to point to the
+	 * struct miscdevice that was opened.  The rest of our file operations
+	 * want to refer to the channel that's been opened, so we swap that
+	 * pointer out with a fresh channel.
+	 *
+	 * This is called with the miscdev lock held, which is also held while
+	 * registering/unregistering the miscdev.  The miscdev must be
+	 * registered for this to get called, which means there must be an
+	 * outstanding reference to the target, which means it cannot be freed
+	 * out from under us despite us not holding a reference yet.
+	 */
+	t = container_of(file->private_data, struct target, miscdev);
+	mutex_lock(&t->lock);
+	file->private_data = c = channel_alloc(t);
+
+	if (c == NULL) {
+		mutex_unlock(&t->lock);
+		return -ENOMEM;
+	}
+
+	mutex_unlock(&t->lock);
+	return 0;
+}
+
+static ssize_t dev_read(struct kiocb *iocb, struct iov_iter *to)
+{
+	struct channel *c = channel_from_file(iocb->ki_filp);
+	ssize_t total_processed = 0;
+	ssize_t processed;
+
+	mutex_lock(&c->lock);
+
+	if (unlikely(c->to_user_error)) {
+		total_processed = c->to_user_error;
+		goto cleanup_unlock;
+	}
+
+	if (c->cur_to_user == NULL) {
+		struct target *t = target_from_channel(c);
+
+		mutex_lock(&t->lock);
+
+		while (!target_poll(t)) {
+			int e;
+
+			mutex_unlock(&t->lock);
+			mutex_unlock(&c->lock);
+			e = wait_event_interruptible(t->wq, target_poll(t));
+			mutex_lock(&c->lock);
+			mutex_lock(&t->lock);
+
+			if (unlikely(e != 0)) {
+				/*
+				 * We haven't processed any bytes in either the
+				 * BIO or the IOV, so we can just terminate
+				 * right now.  Elsewhere in the kernel handles
+				 * restarting the syscall when appropriate.
+				 */
+				total_processed = e;
+				mutex_unlock(&t->lock);
+				goto cleanup_unlock;
+			}
+		}
+
+		if (unlikely(t->dm_destroyed)) {
+			/*
+			 * DM has destroyed this target, so just lock
+			 * the user out.  There's really nothing else
+			 * we can do here.  Note that we don't actually
+			 * tear any thing down until userspace has
+			 * closed the FD, as there may still be
+			 * outstanding BIOs.
+			 *
+			 * This is kind of a wacky error code to
+			 * return.  My goal was really just to try and
+			 * find something that wasn't likely to be
+			 * returned by anything else in the miscdev
+			 * path.  The message "block device required"
+			 * seems like a somewhat reasonable thing to
+			 * say when the target has disappeared out from
+			 * under us, but "not block" isn't sensible.
+			 */
+			c->to_user_error = total_processed = -ENOTBLK;
+			mutex_unlock(&t->lock);
+			goto cleanup_unlock;
+		}
+
+		/*
+		 * Ensures that accesses to the message data are not ordered
+		 * before the remote accesses that produce that message data.
+		 *
+		 * This pairs with the barrier in user_map(), via the
+		 * conditional within the while loop above. Also see the lack
+		 * of barrier in user_dtr(), which is why this can be after the
+		 * destroyed check.
+		 */
+		smp_rmb();
+
+		c->cur_to_user = msg_get_to_user(t);
+		WARN_ON(c->cur_to_user == NULL);
+		mutex_unlock(&t->lock);
+	}
+
+	processed = msg_copy_to_iov(c->cur_to_user, to);
+	total_processed += processed;
+
+	WARN_ON(c->cur_to_user->posn_to_user > c->cur_to_user->total_to_user);
+	if (c->cur_to_user->posn_to_user == c->cur_to_user->total_to_user) {
+		struct message *m = c->cur_to_user;
+
+		c->cur_to_user = NULL;
+		list_add_tail(&m->from_user, &c->from_user);
+	}
+
+cleanup_unlock:
+	mutex_unlock(&c->lock);
+	return total_processed;
+}
+
+static ssize_t dev_write(struct kiocb *iocb, struct iov_iter *from)
+{
+	struct channel *c = channel_from_file(iocb->ki_filp);
+	ssize_t total_processed = 0;
+	ssize_t processed;
+
+	mutex_lock(&c->lock);
+
+	if (unlikely(c->from_user_error)) {
+		total_processed = c->from_user_error;
+		goto cleanup_unlock;
+	}
+
+	/*
+	 * cur_from_user can never be NULL.  If there's no real message it must
+	 * point to the scratch space.
+	 */
+	WARN_ON(c->cur_from_user == NULL);
+	if (c->cur_from_user->posn_from_user < sizeof(struct dm_user_message)) {
+		struct message *msg, *old;
+
+		processed = msg_copy_from_iov(c->cur_from_user, from);
+		if (processed <= 0) {
+			pr_warn("msg_copy_from_iov() returned %zu\n",
+				processed);
+			c->from_user_error = -EINVAL;
+			goto cleanup_unlock;
+		}
+		total_processed += processed;
+
+		/*
+		 * In the unlikely event the user has provided us a very short
+		 * write, not even big enough to fill a message, just succeed.
+		 * We'll eventually build up enough bytes to do something.
+		 */
+		if (unlikely(c->cur_from_user->posn_from_user <
+			     sizeof(struct dm_user_message)))
+			goto cleanup_unlock;
+
+		old = c->cur_from_user;
+		mutex_lock(&c->target->lock);
+		msg = msg_get_from_user(c, c->cur_from_user->msg.seq);
+		if (msg == NULL) {
+			pr_info("user provided an invalid messag seq of %llx\n",
+				old->msg.seq);
+			mutex_unlock(&c->target->lock);
+			c->from_user_error = -EINVAL;
+			goto cleanup_unlock;
+		}
+		mutex_unlock(&c->target->lock);
+
+		WARN_ON(old->posn_from_user != sizeof(struct dm_user_message));
+		msg->posn_from_user = sizeof(struct dm_user_message);
+		msg->return_type = old->msg.type;
+		msg->return_flags = old->msg.flags;
+		WARN_ON(msg->posn_from_user > msg->total_from_user);
+		c->cur_from_user = msg;
+		WARN_ON(old != &c->scratch_message_from_user);
+	}
+
+	/*
+	 * Userspace can signal an error for single requests by overwriting the
+	 * seq field.
+	 */
+	switch (c->cur_from_user->return_type) {
+	case DM_USER_RESP_SUCCESS:
+		c->cur_from_user->bio->bi_status = BLK_STS_OK;
+		break;
+	case DM_USER_RESP_ERROR:
+	case DM_USER_RESP_UNSUPPORTED:
+	default:
+		c->cur_from_user->bio->bi_status = BLK_STS_IOERR;
+		goto finish_bio;
+	}
+
+	/*
+	 * The op was a success as far as userspace is concerned, so process
+	 * whatever data may come along with it.  The user may provide the BIO
+	 * data in multiple chunks, in which case we don't need to finish the
+	 * BIO.
+	 */
+	processed = msg_copy_from_iov(c->cur_from_user, from);
+	total_processed += processed;
+
+	if (c->cur_from_user->posn_from_user <
+	    c->cur_from_user->total_from_user)
+		goto cleanup_unlock;
+
+finish_bio:
+	/*
+	 * When we set up this message the BIO's size matched the
+	 * message size, if that's not still the case then something
+	 * has gone off the rails.
+	 */
+	WARN_ON(bio_size(c->cur_from_user->bio) != 0);
+	bio_endio(c->cur_from_user->bio);
+
+	/*
+	 * We don't actually need to take the target lock here, as all
+	 * we're doing is freeing the message and mempools have their
+	 * own lock.  Each channel has its ows scratch message.
+	 */
+	WARN_ON(c->cur_from_user == &c->scratch_message_from_user);
+	mempool_free(c->cur_from_user, &c->target->message_pool);
+	c->scratch_message_from_user.posn_from_user = 0;
+	c->cur_from_user = &c->scratch_message_from_user;
+
+cleanup_unlock:
+	mutex_unlock(&c->lock);
+	return total_processed;
+}
+
+static int dev_release(struct inode *inode, struct file *file)
+{
+	struct channel *c;
+
+	c = channel_from_file(file);
+	mutex_lock(&c->lock);
+	channel_free(c);
+
+	return 0;
+}
+
+static const struct file_operations file_operations = {
+	.owner = THIS_MODULE,
+	.open = dev_open,
+	.llseek = no_llseek,
+	.read_iter = dev_read,
+	.write_iter = dev_write,
+	.release = dev_release,
+};
+
+static int user_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+{
+	struct target *t;
+	int r;
+
+	if (argc != 3) {
+		ti->error = "Invalid argument count";
+		r = -EINVAL;
+		goto cleanup_none;
+	}
+
+	t = kzalloc(sizeof(*t), GFP_KERNEL);
+	if (t == NULL) {
+		r = -ENOMEM;
+		goto cleanup_none;
+	}
+	ti->private = t;
+
+	/* Enable more BIO types. */
+	ti->num_discard_bios = 1;
+	ti->discards_supported = true;
+	ti->num_flush_bios = 1;
+	ti->flush_supported = true;
+
+	/*
+	 * We begin with a single reference to the target, which is miscdev's
+	 * reference.  This ensures that the target won't be freed
+	 * until after the miscdev has been unregistered and all extant
+	 * channels have been closed.
+	 */
+	kref_init(&t->references);
+
+	t->daemon_terminated = false;
+	mutex_init(&t->lock);
+	init_waitqueue_head(&t->wq);
+	INIT_LIST_HEAD(&t->to_user);
+	mempool_init_kmalloc_pool(&t->message_pool, MAX_OUTSTANDING_MESSAGES,
+				  sizeof(struct message));
+
+	t->miscdev.minor = MISC_DYNAMIC_MINOR;
+	t->miscdev.fops = &file_operations;
+	t->miscdev.name = kasprintf(GFP_KERNEL, "dm-user/%s", argv[2]);
+	if (t->miscdev.name == NULL) {
+		r = -ENOMEM;
+		goto cleanup_message_pool;
+	}
+
+	/*
+	 * Once the miscdev is registered it can be opened and therefor
+	 * concurrent references to the channel can happen.  Holding the target
+	 * lock during misc_register() could deadlock.  If registration
+	 * succeeds then we will not access the target again so we just stick a
+	 * barrier here, which pairs with taking the target lock everywhere
+	 * else the target is accessed.
+	 *
+	 * I forgot where we ended up on the RCpc/RCsc locks.  IIU RCsc locks
+	 * would mean that we could take the target lock earlier and release it
+	 * here instead of the memory barrier.  I'm not sure that's any better,
+	 * though, and this isn't on a hot path so it probably doesn't matter
+	 * either way.
+	 */
+	smp_mb();
+
+	r = misc_register(&t->miscdev);
+	if (r) {
+		DMERR("Unable to register miscdev %s for dm-user",
+		      t->miscdev.name);
+		r = -ENOMEM;
+		goto cleanup_misc_name;
+	}
+
+	return 0;
+
+cleanup_misc_name:
+	kfree(t->miscdev.name);
+cleanup_message_pool:
+	mempool_exit(&t->message_pool);
+	kfree(t);
+cleanup_none:
+	return r;
+}
+
+static void user_dtr(struct dm_target *ti)
+{
+	struct target *t = target_from_target(ti);
+
+	/*
+	 * Removes the miscdev.  This must be called without the target lock
+	 * held to avoid a possible deadlock because our open implementation is
+	 * called holding the miscdev lock and must later take the target lock.
+	 *
+	 * There is no race here because only DM can register/unregister the
+	 * miscdev, and DM ensures that doesn't happen twice.  The internal
+	 * miscdev lock is sufficient to ensure there are no races between
+	 * deregistering the miscdev and open.
+	 */
+	misc_deregister(&t->miscdev);
+
+	/*
+	 * We are now free to take the target's lock and drop our reference to
+	 * the target.  There are almost certainly tasks sleeping in read on at
+	 * least one of the channels associated with this target, this
+	 * explicitly wakes them up and terminates the read.
+	 */
+	mutex_lock(&t->lock);
+	/*
+	 * No barrier here, as wait/wake ensures that the flag visibility is
+	 * correct WRT the wake/sleep state of the target tasks.
+	 */
+	t->dm_destroyed = true;
+	wake_up_all(&t->wq);
+	target_put(t);
+}
+
+/*
+ * Consumes a BIO from device mapper, queueing it up for userspace.
+ */
+static int user_map(struct dm_target *ti, struct bio *bio)
+{
+	struct target *t;
+	struct message *entry;
+
+	t = target_from_target(ti);
+	/*
+	 * FIXME
+	 *
+	 * This seems like a bad idea.  Specifically, here we're
+	 * directly on the IO path when we take the target lock, which may also
+	 * be taken from a user context.  The user context doesn't actively
+	 * trigger anything that may sleep while holding the lock, but this
+	 * still seems like a bad idea.
+	 *
+	 * The obvious way to fix this would be to use a proper queue, which
+	 * would result in no shared locks between the direct IO path and user
+	 * tasks.  I had a version that did this, but the head-of-line blocking
+	 * from the circular buffer resulted in us needing a fairly large
+	 * allocation in order to avoid situations in which the queue fills up
+	 * and everything goes off the rails.
+	 *
+	 * I could jump through a some hoops to avoid a shared lock while still
+	 * allowing for a large queue, but I'm not actually sure that allowing
+	 * for very large queues is the right thing to do here.  Intuitively it
+	 * seems better to keep the queues small in here (essentially sized to
+	 * the user latency for performance reasons only) and rely on returning
+	 * DM_MAPIO_REQUEUE regularly, as that would give the rest of the
+	 * kernel more information.
+	 *
+	 * I'll spend some time trying to figure out what's going on with
+	 * DM_MAPIO_REQUEUE, but if someone has a better idea of how to fix
+	 * this I'm all ears.
+	 */
+	mutex_lock(&t->lock);
+
+	/*
+	 * FIXME
+	 *
+	 * The assumption here is that there's no benefit to returning
+	 * DM_MAPIO_KILL as opposed to just erroring out the BIO, but I'm not
+	 * sure that's actually true -- for example, I could imagine users
+	 * expecting that submitted BIOs are unlikely to fail and therefor
+	 * relying on submission failure to indicate an unsupported type.
+	 *
+	 * There's two ways I can think of to fix this:
+	 *   - Add DM arguments that are parsed during the constructor that
+	 *     allow various dm_target flags to be set that indicate the op
+	 *     types supported by this target.  This may make sense for things
+	 *     like discard, where DM can already transform the BIOs to a form
+	 *     that's likely to be supported.
+	 *   - Some sort of pre-filter that allows userspace to hook in here
+	 *     and kill BIOs before marking them as submitted.  My guess would
+	 *     be that a userspace round trip is a bad idea here, but a BPF
+	 *     call seems resonable.
+	 *
+	 * My guess is that we'd likely want to do both.  The first one is easy
+	 * and gives DM the proper info, so it seems better.  The BPF call
+	 * seems overly complex for just this, but one could imagine wanting to
+	 * sometimes return _MAPPED and a BPF filter would be the way to do
+	 * that.
+	 *
+	 * For example, in Android we have an in-kernel DM device called
+	 * "dm-bow" that takes advange of some portion of the space that has
+	 * been discarded on a device to provide opportunistic block-level
+	 * backups.  While one could imagine just implementing this entirely in
+	 * userspace, that would come with an appreciable performance penalty.
+	 * Instead one could keep a BPF program that forwards most accesses
+	 * directly to the backing block device while informing a userspace
+	 * daemon of any discarded space and on writes to blocks that are to be
+	 * backed up.
+	 */
+	if (unlikely((bio_type_to_user_type(bio) < 0) ||
+		     (bio_flags_to_user_flags(bio) < 0))) {
+		mutex_unlock(&t->lock);
+		return DM_MAPIO_KILL;
+	}
+
+	entry = msg_get_map(t);
+	if (unlikely(entry == NULL)) {
+		mutex_unlock(&t->lock);
+		return DM_MAPIO_REQUEUE;
+	}
+
+	entry->msg.type = bio_type_to_user_type(bio);
+	entry->msg.flags = bio_flags_to_user_flags(bio);
+	entry->msg.sector = bio->bi_iter.bi_sector;
+	entry->msg.len = bio_size(bio);
+	entry->bio = bio;
+	entry->posn_to_user = 0;
+	entry->total_to_user = bio_bytes_needed_to_user(bio);
+	entry->posn_from_user = 0;
+	entry->total_from_user = bio_bytes_needed_from_user(bio);
+	entry->delayed = false;
+	entry->t = t;
+	/* Pairs with the barrier in dev_read() */
+	smp_wmb();
+	list_add_tail(&entry->to_user, &t->to_user);
+
+	/*
+	 * If there is no daemon to process the IO's,
+	 * queue these messages into a workqueue with
+	 * a timeout.
+	 */
+	if (!is_user_space_thread_present(t))
+		enqueue_delayed_work(entry, !t->daemon_terminated);
+
+	wake_up_interruptible(&t->wq);
+	mutex_unlock(&t->lock);
+	return DM_MAPIO_SUBMITTED;
+}
+
+static struct target_type user_target = {
+	.name = "user",
+	.version = { 1, 0, 0 },
+	.module = THIS_MODULE,
+	.ctr = user_ctr,
+	.dtr = user_dtr,
+	.map = user_map,
+};
+
+static int __init dm_user_init(void)
+{
+	int r;
+
+	r = dm_register_target(&user_target);
+	if (r) {
+		DMERR("register failed %d", r);
+		goto error;
+	}
+
+	return 0;
+
+error:
+	return r;
+}
+
+static void __exit dm_user_exit(void)
+{
+	dm_unregister_target(&user_target);
+}
+
+module_init(dm_user_init);
+module_exit(dm_user_exit);
+MODULE_AUTHOR("Palmer Dabbelt <palmerdabbelt@google.com>");
+MODULE_DESCRIPTION(DM_NAME " target returning blocks from userspace");
+MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 7671949..901d40a 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -1221,8 +1221,16 @@
 		goto bad;
 	}
 
-	/* WQ_UNBOUND greatly improves performance when running on ramdisk */
-	v->verify_wq = alloc_workqueue("kverityd", WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND, num_online_cpus());
+	/*
+	 * Using WQ_HIGHPRI improves throughput and completion latency by
+	 * reducing wait times when reading from a dm-verity device.
+	 *
+	 * Also as required for the "try_verify_in_tasklet" feature: WQ_HIGHPRI
+	 * allows verify_wq to preempt softirq since verification in tasklet
+	 * will fall-back to using it for error handling (or if the bufio cache
+	 * doesn't have required hashes).
+	 */
+	v->verify_wq = alloc_workqueue("kverityd", WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
 	if (!v->verify_wq) {
 		ti->error = "Cannot allocate workqueue";
 		r = -ENOMEM;
@@ -1255,6 +1263,7 @@
 	.name		= "verity",
 	.features	= DM_TARGET_IMMUTABLE,
 	.version	= {1, 7, 0},
+	.features	= DM_TARGET_IMMUTABLE,
 	.module		= THIS_MODULE,
 	.ctr		= verity_ctr,
 	.dtr		= verity_dtr,
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 9029c10..cb58c40 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -28,6 +28,7 @@
 #include <linux/refcount.h>
 #include <linux/part_stat.h>
 #include <linux/blk-crypto.h>
+#include <linux/keyslot-manager.h>
 
 #define DM_MSG_PREFIX "core"
 
@@ -1777,6 +1778,19 @@
 
 static void dm_wq_work(struct work_struct *work);
 
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+static void dm_queue_destroy_keyslot_manager(struct request_queue *q)
+{
+	dm_destroy_keyslot_manager(q->ksm);
+}
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+static inline void dm_queue_destroy_keyslot_manager(struct request_queue *q)
+{
+}
+#endif /* !CONFIG_BLK_INLINE_ENCRYPTION */
+
 static void cleanup_mapped_device(struct mapped_device *md)
 {
 	if (md->wq)
@@ -1798,8 +1812,10 @@
 		put_disk(md->disk);
 	}
 
-	if (md->queue)
+	if (md->queue) {
+		dm_queue_destroy_keyslot_manager(md->queue);
 		blk_cleanup_queue(md->queue);
+	}
 
 	cleanup_srcu_struct(&md->io_barrier);
 
@@ -2458,27 +2474,19 @@
 {
 	int r;
 
-	WARN_ON(md->frozen_sb);
+	WARN_ON(test_bit(DMF_FROZEN, &md->flags));
 
-	md->frozen_sb = freeze_bdev(md->bdev);
-	if (IS_ERR(md->frozen_sb)) {
-		r = PTR_ERR(md->frozen_sb);
-		md->frozen_sb = NULL;
-		return r;
-	}
-
-	set_bit(DMF_FROZEN, &md->flags);
-
-	return 0;
+	r = freeze_bdev(md->bdev);
+	if (!r)
+		set_bit(DMF_FROZEN, &md->flags);
+	return r;
 }
 
 static void unlock_fs(struct mapped_device *md)
 {
 	if (!test_bit(DMF_FROZEN, &md->flags))
 		return;
-
-	thaw_bdev(md->bdev, md->frozen_sb);
-	md->frozen_sb = NULL;
+	thaw_bdev(md->bdev);
 	clear_bit(DMF_FROZEN, &md->flags);
 }
 
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index d157af63b..04e8120 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -66,8 +66,7 @@
 # Multimedia support - automatically enable V4L2 and DVB core
 #
 config MEDIA_CAMERA_SUPPORT
-	bool
-	prompt "Cameras and video grabbers" if MEDIA_SUPPORT_FILTER
+	bool "Cameras and video grabbers"
 	default y if !MEDIA_SUPPORT_FILTER
 	help
 	  Enable support for webcams and video grabbers.
@@ -75,8 +74,7 @@
 	  Say Y when you have a webcam or a video capture grabber board.
 
 config MEDIA_ANALOG_TV_SUPPORT
-	bool
-	prompt "Analog TV" if MEDIA_SUPPORT_FILTER
+	bool "Analog TV"
 	default y if !MEDIA_SUPPORT_FILTER
 	help
 	  Enable analog TV support.
@@ -89,8 +87,7 @@
 		will disable support for them.
 
 config MEDIA_DIGITAL_TV_SUPPORT
-	bool
-	prompt "Digital TV" if MEDIA_SUPPORT_FILTER
+	tristate "Digital TV"
 	default y if !MEDIA_SUPPORT_FILTER
 	help
 	  Enable digital TV support.
@@ -99,8 +96,7 @@
 	  hybrid digital TV and analog TV.
 
 config MEDIA_RADIO_SUPPORT
-	bool
-	prompt "AM/FM radio receivers/transmitters" if MEDIA_SUPPORT_FILTER
+	bool "AM/FM radio receivers/transmitters"
 	default y if !MEDIA_SUPPORT_FILTER
 	help
 	  Enable AM/FM radio support.
@@ -115,8 +111,7 @@
 		disable support for them.
 
 config MEDIA_SDR_SUPPORT
-	bool
-	prompt "Software defined radio" if MEDIA_SUPPORT_FILTER
+	bool "Software defined radio"
 	default y if !MEDIA_SUPPORT_FILTER
 	help
 	  Enable software defined radio support.
@@ -124,8 +119,7 @@
 	  Say Y when you have a software defined radio device.
 
 config MEDIA_PLATFORM_SUPPORT
-	bool
-	prompt "Platform-specific devices" if MEDIA_SUPPORT_FILTER
+	bool "Platform-specific devices"
 	default y if !MEDIA_SUPPORT_FILTER
 	help
 	  Enable support for complex cameras, codecs, and other hardware
@@ -138,8 +132,7 @@
 	  Say Y when you want to be able so see such devices.
 
 config MEDIA_TEST_SUPPORT
-	bool
-	prompt "Test drivers" if MEDIA_SUPPORT_FILTER
+	bool "Test drivers"
 	default y if !MEDIA_SUPPORT_FILTER
 	help
 	  These drivers should not be used on production kernels, but
diff --git a/drivers/media/mc/mc-device.c b/drivers/media/mc/mc-device.c
index 9e56d2a..97baa54 100644
--- a/drivers/media/mc/mc-device.c
+++ b/drivers/media/mc/mc-device.c
@@ -18,6 +18,7 @@
 #include <linux/pci.h>
 #include <linux/usb.h>
 #include <linux/version.h>
+#include <trace/hooks/v4l2mc.h>
 
 #include <media/media-device.h>
 #include <media/media-devnode.h>
@@ -203,6 +204,7 @@
 	struct media_link *link = NULL;
 	struct media_entity *source;
 	struct media_entity *sink;
+	int ret = 0;
 
 	/* Find the source and sink entities and link.
 	 */
@@ -221,9 +223,12 @@
 	if (link == NULL)
 		return -EINVAL;
 
-	memset(linkd->reserved, 0, sizeof(linkd->reserved));
+	/* Setup the link on both entities */
+	trace_android_vh_media_device_setup_link(link, linkd, &ret);
+	if (ret)
+		return ret;
 
-	/* Setup the link on both entities. */
+	memset(linkd->reserved, 0, sizeof(linkd->reserved));
 	return __media_entity_setup_link(link, linkd->flags);
 }
 
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 7e152bb..119e8c2 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -211,6 +211,7 @@
 	depends on MTK_IOMMU_V1 || MTK_IOMMU || COMPILE_TEST
 	depends on VIDEO_DEV && VIDEO_V4L2
 	depends on ARCH_MEDIATEK || COMPILE_TEST
+	depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
 	help
@@ -238,6 +239,7 @@
 	depends on MTK_IOMMU || COMPILE_TEST
 	depends on VIDEO_DEV && VIDEO_V4L2
 	depends on ARCH_MEDIATEK || COMPILE_TEST
+	depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
 	select VIDEO_MEDIATEK_VPU
@@ -258,6 +260,7 @@
 	# our dependencies, to avoid missing symbols during link.
 	depends on VIDEO_MEDIATEK_VPU || !VIDEO_MEDIATEK_VPU
 	depends on MTK_SCP || !MTK_SCP
+	depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
 	select VIDEO_MEDIATEK_VCODEC_VPU if VIDEO_MEDIATEK_VPU
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 61e144a..f176275 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -168,6 +168,14 @@
 		.default_value = 0,
 	},
 	{
+		.id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY,
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.minimum = 0,
+		.maximum = 16383,
+		.step = 1,
+		.default_value = 0,
+	},
+	{
 		.id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
 		.type = V4L2_CTRL_TYPE_BOOLEAN,
 		.name = "H264 Display Delay Enable",
@@ -177,6 +185,13 @@
 		.default_value = 0,
 	},
 	{
+		.id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE,
+		.type = V4L2_CTRL_TYPE_BOOLEAN,
+		.minimum = 0,
+		.maximum = 1,
+		.default_value = 0,
+	},
+	{
 		.id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
 		.type = V4L2_CTRL_TYPE_BOOLEAN,
 		.name = "Mpeg4 Loop Filter Enable",
@@ -690,9 +705,11 @@
 
 	switch (ctrl->id) {
 	case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
+	case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:
 		ctx->display_delay = ctrl->val;
 		break;
 	case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
+	case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
 		ctx->display_delay_enable = ctrl->val;
 		break;
 	case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 5e0acab..0815b04 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -19,6 +19,7 @@
 #include <linux/workqueue.h>
 #include <linux/atomic.h>
 #include <media/v4l2-ctrls.h>
+#include <media/v4l2-uvc.h>
 
 #include "uvcvideo.h"
 
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 6334f99..d2fe6ae 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -20,6 +20,7 @@
 
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
+#include <media/v4l2-uvc.h>
 
 #include "uvcvideo.h"
 
@@ -35,193 +36,6 @@
 unsigned int uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT;
 
 /* ------------------------------------------------------------------------
- * Video formats
- */
-
-static struct uvc_format_desc uvc_fmts[] = {
-	{
-		.name		= "YUV 4:2:2 (YUYV)",
-		.guid		= UVC_GUID_FORMAT_YUY2,
-		.fcc		= V4L2_PIX_FMT_YUYV,
-	},
-	{
-		.name		= "YUV 4:2:2 (YUYV)",
-		.guid		= UVC_GUID_FORMAT_YUY2_ISIGHT,
-		.fcc		= V4L2_PIX_FMT_YUYV,
-	},
-	{
-		.name		= "YUV 4:2:0 (NV12)",
-		.guid		= UVC_GUID_FORMAT_NV12,
-		.fcc		= V4L2_PIX_FMT_NV12,
-	},
-	{
-		.name		= "MJPEG",
-		.guid		= UVC_GUID_FORMAT_MJPEG,
-		.fcc		= V4L2_PIX_FMT_MJPEG,
-	},
-	{
-		.name		= "YVU 4:2:0 (YV12)",
-		.guid		= UVC_GUID_FORMAT_YV12,
-		.fcc		= V4L2_PIX_FMT_YVU420,
-	},
-	{
-		.name		= "YUV 4:2:0 (I420)",
-		.guid		= UVC_GUID_FORMAT_I420,
-		.fcc		= V4L2_PIX_FMT_YUV420,
-	},
-	{
-		.name		= "YUV 4:2:0 (M420)",
-		.guid		= UVC_GUID_FORMAT_M420,
-		.fcc		= V4L2_PIX_FMT_M420,
-	},
-	{
-		.name		= "YUV 4:2:2 (UYVY)",
-		.guid		= UVC_GUID_FORMAT_UYVY,
-		.fcc		= V4L2_PIX_FMT_UYVY,
-	},
-	{
-		.name		= "Greyscale 8-bit (Y800)",
-		.guid		= UVC_GUID_FORMAT_Y800,
-		.fcc		= V4L2_PIX_FMT_GREY,
-	},
-	{
-		.name		= "Greyscale 8-bit (Y8  )",
-		.guid		= UVC_GUID_FORMAT_Y8,
-		.fcc		= V4L2_PIX_FMT_GREY,
-	},
-	{
-		.name		= "Greyscale 8-bit (D3DFMT_L8)",
-		.guid		= UVC_GUID_FORMAT_D3DFMT_L8,
-		.fcc		= V4L2_PIX_FMT_GREY,
-	},
-	{
-		.name		= "IR 8-bit (L8_IR)",
-		.guid		= UVC_GUID_FORMAT_KSMEDIA_L8_IR,
-		.fcc		= V4L2_PIX_FMT_GREY,
-	},
-	{
-		.name		= "Greyscale 10-bit (Y10 )",
-		.guid		= UVC_GUID_FORMAT_Y10,
-		.fcc		= V4L2_PIX_FMT_Y10,
-	},
-	{
-		.name		= "Greyscale 12-bit (Y12 )",
-		.guid		= UVC_GUID_FORMAT_Y12,
-		.fcc		= V4L2_PIX_FMT_Y12,
-	},
-	{
-		.name		= "Greyscale 16-bit (Y16 )",
-		.guid		= UVC_GUID_FORMAT_Y16,
-		.fcc		= V4L2_PIX_FMT_Y16,
-	},
-	{
-		.name		= "BGGR Bayer (BY8 )",
-		.guid		= UVC_GUID_FORMAT_BY8,
-		.fcc		= V4L2_PIX_FMT_SBGGR8,
-	},
-	{
-		.name		= "BGGR Bayer (BA81)",
-		.guid		= UVC_GUID_FORMAT_BA81,
-		.fcc		= V4L2_PIX_FMT_SBGGR8,
-	},
-	{
-		.name		= "GBRG Bayer (GBRG)",
-		.guid		= UVC_GUID_FORMAT_GBRG,
-		.fcc		= V4L2_PIX_FMT_SGBRG8,
-	},
-	{
-		.name		= "GRBG Bayer (GRBG)",
-		.guid		= UVC_GUID_FORMAT_GRBG,
-		.fcc		= V4L2_PIX_FMT_SGRBG8,
-	},
-	{
-		.name		= "RGGB Bayer (RGGB)",
-		.guid		= UVC_GUID_FORMAT_RGGB,
-		.fcc		= V4L2_PIX_FMT_SRGGB8,
-	},
-	{
-		.name		= "RGB565",
-		.guid		= UVC_GUID_FORMAT_RGBP,
-		.fcc		= V4L2_PIX_FMT_RGB565,
-	},
-	{
-		.name		= "BGR 8:8:8 (BGR3)",
-		.guid		= UVC_GUID_FORMAT_BGR3,
-		.fcc		= V4L2_PIX_FMT_BGR24,
-	},
-	{
-		.name		= "H.264",
-		.guid		= UVC_GUID_FORMAT_H264,
-		.fcc		= V4L2_PIX_FMT_H264,
-	},
-	{
-		.name		= "Greyscale 8 L/R (Y8I)",
-		.guid		= UVC_GUID_FORMAT_Y8I,
-		.fcc		= V4L2_PIX_FMT_Y8I,
-	},
-	{
-		.name		= "Greyscale 12 L/R (Y12I)",
-		.guid		= UVC_GUID_FORMAT_Y12I,
-		.fcc		= V4L2_PIX_FMT_Y12I,
-	},
-	{
-		.name		= "Depth data 16-bit (Z16)",
-		.guid		= UVC_GUID_FORMAT_Z16,
-		.fcc		= V4L2_PIX_FMT_Z16,
-	},
-	{
-		.name		= "Bayer 10-bit (SRGGB10P)",
-		.guid		= UVC_GUID_FORMAT_RW10,
-		.fcc		= V4L2_PIX_FMT_SRGGB10P,
-	},
-	{
-		.name		= "Bayer 16-bit (SBGGR16)",
-		.guid		= UVC_GUID_FORMAT_BG16,
-		.fcc		= V4L2_PIX_FMT_SBGGR16,
-	},
-	{
-		.name		= "Bayer 16-bit (SGBRG16)",
-		.guid		= UVC_GUID_FORMAT_GB16,
-		.fcc		= V4L2_PIX_FMT_SGBRG16,
-	},
-	{
-		.name		= "Bayer 16-bit (SRGGB16)",
-		.guid		= UVC_GUID_FORMAT_RG16,
-		.fcc		= V4L2_PIX_FMT_SRGGB16,
-	},
-	{
-		.name		= "Bayer 16-bit (SGRBG16)",
-		.guid		= UVC_GUID_FORMAT_GR16,
-		.fcc		= V4L2_PIX_FMT_SGRBG16,
-	},
-	{
-		.name		= "Depth data 16-bit (Z16)",
-		.guid		= UVC_GUID_FORMAT_INVZ,
-		.fcc		= V4L2_PIX_FMT_Z16,
-	},
-	{
-		.name		= "Greyscale 10-bit (Y10 )",
-		.guid		= UVC_GUID_FORMAT_INVI,
-		.fcc		= V4L2_PIX_FMT_Y10,
-	},
-	{
-		.name		= "IR:Depth 26-bit (INZI)",
-		.guid		= UVC_GUID_FORMAT_INZI,
-		.fcc		= V4L2_PIX_FMT_INZI,
-	},
-	{
-		.name		= "4-bit Depth Confidence (Packed)",
-		.guid		= UVC_GUID_FORMAT_CNF4,
-		.fcc		= V4L2_PIX_FMT_CNF4,
-	},
-	{
-		.name		= "HEVC",
-		.guid		= UVC_GUID_FORMAT_HEVC,
-		.fcc		= V4L2_PIX_FMT_HEVC,
-	},
-};
-
-/* ------------------------------------------------------------------------
  * Utility functions
  */
 
@@ -240,19 +54,6 @@
 	return NULL;
 }
 
-static struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16])
-{
-	unsigned int len = ARRAY_SIZE(uvc_fmts);
-	unsigned int i;
-
-	for (i = 0; i < len; ++i) {
-		if (memcmp(guid, uvc_fmts[i].guid, 16) == 0)
-			return &uvc_fmts[i];
-	}
-
-	return NULL;
-}
-
 static enum v4l2_colorspace uvc_colorspace(const u8 primaries)
 {
 	static const enum v4l2_colorspace colorprimaries[] = {
@@ -324,86 +125,6 @@
 	return V4L2_YCBCR_ENC_DEFAULT;  /* Reserved */
 }
 
-/* Simplify a fraction using a simple continued fraction decomposition. The
- * idea here is to convert fractions such as 333333/10000000 to 1/30 using
- * 32 bit arithmetic only. The algorithm is not perfect and relies upon two
- * arbitrary parameters to remove non-significative terms from the simple
- * continued fraction decomposition. Using 8 and 333 for n_terms and threshold
- * respectively seems to give nice results.
- */
-void uvc_simplify_fraction(u32 *numerator, u32 *denominator,
-		unsigned int n_terms, unsigned int threshold)
-{
-	u32 *an;
-	u32 x, y, r;
-	unsigned int i, n;
-
-	an = kmalloc_array(n_terms, sizeof(*an), GFP_KERNEL);
-	if (an == NULL)
-		return;
-
-	/* Convert the fraction to a simple continued fraction. See
-	 * https://mathforum.org/dr.math/faq/faq.fractions.html
-	 * Stop if the current term is bigger than or equal to the given
-	 * threshold.
-	 */
-	x = *numerator;
-	y = *denominator;
-
-	for (n = 0; n < n_terms && y != 0; ++n) {
-		an[n] = x / y;
-		if (an[n] >= threshold) {
-			if (n < 2)
-				n++;
-			break;
-		}
-
-		r = x - an[n] * y;
-		x = y;
-		y = r;
-	}
-
-	/* Expand the simple continued fraction back to an integer fraction. */
-	x = 0;
-	y = 1;
-
-	for (i = n; i > 0; --i) {
-		r = y;
-		y = an[i-1] * y + x;
-		x = r;
-	}
-
-	*numerator = y;
-	*denominator = x;
-	kfree(an);
-}
-
-/* Convert a fraction to a frame interval in 100ns multiples. The idea here is
- * to compute numerator / denominator * 10000000 using 32 bit fixed point
- * arithmetic only.
- */
-u32 uvc_fraction_to_interval(u32 numerator, u32 denominator)
-{
-	u32 multiplier;
-
-	/* Saturate the result if the operation would overflow. */
-	if (denominator == 0 ||
-	    numerator/denominator >= ((u32)-1)/10000000)
-		return (u32)-1;
-
-	/* Divide both the denominator and the multiplier by two until
-	 * numerator * multiplier doesn't overflow. If anyone knows a better
-	 * algorithm please let me know.
-	 */
-	multiplier = 10000000;
-	while (numerator > ((u32)-1)/multiplier) {
-		multiplier /= 2;
-		denominator /= 2;
-	}
-
-	return denominator ? numerator * multiplier / denominator : 0;
-}
-
 /* ------------------------------------------------------------------------
  * Terminal and unit management
  */
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index b40a2b9..cc65581 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -373,7 +373,7 @@
 	mutex_unlock(&stream->mutex);
 
 	denominator = 10000000;
-	uvc_simplify_fraction(&numerator, &denominator, 8, 333);
+	v4l2_simplify_fraction(&numerator, &denominator, 8, 333);
 
 	memset(parm, 0, sizeof(*parm));
 	parm->type = stream->type;
@@ -414,7 +414,7 @@
 	else
 		timeperframe = parm->parm.output.timeperframe;
 
-	interval = uvc_fraction_to_interval(timeperframe.numerator,
+	interval = v4l2_fraction_to_interval(timeperframe.numerator,
 		timeperframe.denominator);
 	uvc_trace(UVC_TRACE_FORMAT, "Setting frame interval to %u/%u (%u).\n",
 		timeperframe.numerator, timeperframe.denominator, interval);
@@ -468,7 +468,7 @@
 	/* Return the actual frame period. */
 	timeperframe.numerator = probe.dwFrameInterval;
 	timeperframe.denominator = 10000000;
-	uvc_simplify_fraction(&timeperframe.numerator,
+	v4l2_simplify_fraction(&timeperframe.numerator,
 		&timeperframe.denominator, 8, 333);
 
 	if (parm->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
@@ -1292,7 +1292,7 @@
 		fival->discrete.numerator =
 			frame->dwFrameInterval[index];
 		fival->discrete.denominator = 10000000;
-		uvc_simplify_fraction(&fival->discrete.numerator,
+		v4l2_simplify_fraction(&fival->discrete.numerator,
 			&fival->discrete.denominator, 8, 333);
 	} else {
 		fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
@@ -1302,11 +1302,11 @@
 		fival->stepwise.max.denominator = 10000000;
 		fival->stepwise.step.numerator = frame->dwFrameInterval[2];
 		fival->stepwise.step.denominator = 10000000;
-		uvc_simplify_fraction(&fival->stepwise.min.numerator,
+		v4l2_simplify_fraction(&fival->stepwise.min.numerator,
 			&fival->stepwise.min.denominator, 8, 333);
-		uvc_simplify_fraction(&fival->stepwise.max.numerator,
+		v4l2_simplify_fraction(&fival->stepwise.max.numerator,
 			&fival->stepwise.max.denominator, 8, 333);
-		uvc_simplify_fraction(&fival->stepwise.step.numerator,
+		v4l2_simplify_fraction(&fival->stepwise.step.numerator,
 			&fival->stepwise.step.denominator, 8, 333);
 	}
 
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index c75990c..8fd3d78 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -39,138 +39,6 @@
 
 
 /* ------------------------------------------------------------------------
- * GUIDs
- */
-#define UVC_GUID_UVC_CAMERA \
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
-	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}
-#define UVC_GUID_UVC_OUTPUT \
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
-	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}
-#define UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT \
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
-	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
-#define UVC_GUID_UVC_PROCESSING \
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
-	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01}
-#define UVC_GUID_UVC_SELECTOR \
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
-	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02}
-
-#define UVC_GUID_FORMAT_MJPEG \
-	{ 'M',  'J',  'P',  'G', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_YUY2 \
-	{ 'Y',  'U',  'Y',  '2', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_YUY2_ISIGHT \
-	{ 'Y',  'U',  'Y',  '2', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_NV12 \
-	{ 'N',  'V',  '1',  '2', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_YV12 \
-	{ 'Y',  'V',  '1',  '2', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_I420 \
-	{ 'I',  '4',  '2',  '0', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_UYVY \
-	{ 'U',  'Y',  'V',  'Y', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Y800 \
-	{ 'Y',  '8',  '0',  '0', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Y8 \
-	{ 'Y',  '8',  ' ',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Y10 \
-	{ 'Y',  '1',  '0',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Y12 \
-	{ 'Y',  '1',  '2',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Y16 \
-	{ 'Y',  '1',  '6',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_BY8 \
-	{ 'B',  'Y',  '8',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_BA81 \
-	{ 'B',  'A',  '8',  '1', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_GBRG \
-	{ 'G',  'B',  'R',  'G', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_GRBG \
-	{ 'G',  'R',  'B',  'G', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_RGGB \
-	{ 'R',  'G',  'G',  'B', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_BG16 \
-	{ 'B',  'G',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_GB16 \
-	{ 'G',  'B',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_RG16 \
-	{ 'R',  'G',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_GR16 \
-	{ 'G',  'R',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_RGBP \
-	{ 'R',  'G',  'B',  'P', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_BGR3 \
-	{ 0x7d, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \
-	 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}
-#define UVC_GUID_FORMAT_M420 \
-	{ 'M',  '4',  '2',  '0', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-
-#define UVC_GUID_FORMAT_H264 \
-	{ 'H',  '2',  '6',  '4', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Y8I \
-	{ 'Y',  '8',  'I',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Y12I \
-	{ 'Y',  '1',  '2',  'I', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_Z16 \
-	{ 'Z',  '1',  '6',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_RW10 \
-	{ 'R',  'W',  '1',  '0', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_INVZ \
-	{ 'I',  'N',  'V',  'Z', 0x90, 0x2d, 0x58, 0x4a, \
-	 0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b}
-#define UVC_GUID_FORMAT_INZI \
-	{ 'I',  'N',  'Z',  'I', 0x66, 0x1a, 0x42, 0xa2, \
-	 0x90, 0x65, 0xd0, 0x18, 0x14, 0xa8, 0xef, 0x8a}
-#define UVC_GUID_FORMAT_INVI \
-	{ 'I',  'N',  'V',  'I', 0xdb, 0x57, 0x49, 0x5e, \
-	 0x8e, 0x3f, 0xf4, 0x79, 0x53, 0x2b, 0x94, 0x6f}
-#define UVC_GUID_FORMAT_CNF4 \
-	{ 'C',  ' ',  ' ',  ' ', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-
-#define UVC_GUID_FORMAT_D3DFMT_L8 \
-	{0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-#define UVC_GUID_FORMAT_KSMEDIA_L8_IR \
-	{0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-
-#define UVC_GUID_FORMAT_HEVC \
-	{ 'H',  'E',  'V',  'C', 0x00, 0x00, 0x10, 0x00, \
-	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-
-
-/* ------------------------------------------------------------------------
  * Driver specific constants.
  */
 
@@ -273,13 +141,8 @@
 	struct uvc_fh *handle;	/* File handle that last changed the control. */
 };
 
-struct uvc_format_desc {
-	char *name;
-	u8 guid[16];
-	u32 fcc;
-};
-
-/* The term 'entity' refers to both UVC units and UVC terminals.
+/*
+ * The term 'entity' refers to both UVC units and UVC terminals.
  *
  * The type field is either the terminal type (wTerminalType in the terminal
  * descriptor), or the unit type (bDescriptorSubtype in the unit descriptor).
@@ -867,9 +730,6 @@
 		      struct uvc_xu_control_query *xqry);
 
 /* Utility functions */
-void uvc_simplify_fraction(u32 *numerator, u32 *denominator,
-			   unsigned int n_terms, unsigned int threshold);
-u32 uvc_fraction_to_interval(u32 numerator, u32 denominator);
 struct usb_host_endpoint *uvc_find_endpoint(struct usb_host_interface *alts,
 					    u8 epaddr);
 
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index 3dc17eb..00c99d3 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -441,3 +441,127 @@
 	return 0;
 }
 EXPORT_SYMBOL_GPL(v4l2_fill_pixfmt);
+
+s64 v4l2_get_link_freq(struct v4l2_ctrl_handler *handler, unsigned int mul,
+		       unsigned int div)
+{
+	struct v4l2_ctrl *ctrl;
+	s64 freq;
+
+	ctrl = v4l2_ctrl_find(handler, V4L2_CID_LINK_FREQ);
+	if (ctrl) {
+		struct v4l2_querymenu qm = { .id = V4L2_CID_LINK_FREQ };
+		int ret;
+
+		qm.index = v4l2_ctrl_g_ctrl(ctrl);
+
+		ret = v4l2_querymenu(handler, &qm);
+		if (ret)
+			return -ENOENT;
+
+		freq = qm.value;
+	} else {
+		if (!mul || !div)
+			return -ENOENT;
+
+		ctrl = v4l2_ctrl_find(handler, V4L2_CID_PIXEL_RATE);
+		if (!ctrl)
+			return -ENOENT;
+
+		freq = div_u64(v4l2_ctrl_g_ctrl_int64(ctrl) * mul, div);
+
+		pr_warn("%s: Link frequency estimated using pixel rate: result might be inaccurate\n",
+			__func__);
+		pr_warn("%s: Consider implementing support for V4L2_CID_LINK_FREQ in the transmitter driver\n",
+			__func__);
+	}
+
+	return freq > 0 ? freq : -EINVAL;
+}
+EXPORT_SYMBOL_GPL(v4l2_get_link_freq);
+
+/*
+ * Simplify a fraction using a simple continued fraction decomposition. The
+ * idea here is to convert fractions such as 333333/10000000 to 1/30 using
+ * 32 bit arithmetic only. The algorithm is not perfect and relies upon two
+ * arbitrary parameters to remove non-significative terms from the simple
+ * continued fraction decomposition. Using 8 and 333 for n_terms and threshold
+ * respectively seems to give nice results.
+ */
+void v4l2_simplify_fraction(u32 *numerator, u32 *denominator,
+		unsigned int n_terms, unsigned int threshold)
+{
+	u32 *an;
+	u32 x, y, r;
+	unsigned int i, n;
+
+	an = kmalloc_array(n_terms, sizeof(*an), GFP_KERNEL);
+	if (an == NULL)
+		return;
+
+	/*
+	 * Convert the fraction to a simple continued fraction. See
+	 * https://en.wikipedia.org/wiki/Continued_fraction
+	 * Stop if the current term is bigger than or equal to the given
+	 * threshold.
+	 */
+	x = *numerator;
+	y = *denominator;
+
+	for (n = 0; n < n_terms && y != 0; ++n) {
+		an[n] = x / y;
+		if (an[n] >= threshold) {
+			if (n < 2)
+				n++;
+			break;
+		}
+
+		r = x - an[n] * y;
+		x = y;
+		y = r;
+	}
+
+	/* Expand the simple continued fraction back to an integer fraction. */
+	x = 0;
+	y = 1;
+
+	for (i = n; i > 0; --i) {
+		r = y;
+		y = an[i-1] * y + x;
+		x = r;
+	}
+
+	*numerator = y;
+	*denominator = x;
+	kfree(an);
+}
+EXPORT_SYMBOL_GPL(v4l2_simplify_fraction);
+
+/*
+ * Convert a fraction to a frame interval in 100ns multiples. The idea here is
+ * to compute numerator / denominator * 10000000 using 32 bit fixed point
+ * arithmetic only.
+ */
+u32 v4l2_fraction_to_interval(u32 numerator, u32 denominator)
+{
+	u32 multiplier;
+
+	/* Saturate the result if the operation would overflow. */
+	if (denominator == 0 ||
+	    numerator/denominator >= ((u32)-1)/10000000)
+		return (u32)-1;
+
+	/*
+	 * Divide both the denominator and the multiplier by two until
+	 * numerator * multiplier doesn't overflow. If anyone knows a better
+	 * algorithm please let me know.
+	 */
+	multiplier = 10000000;
+	while (numerator > ((u32)-1)/multiplier) {
+		multiplier /= 2;
+		denominator /= 2;
+	}
+
+	return denominator ? numerator * multiplier / denominator : 0;
+}
+EXPORT_SYMBOL_GPL(v4l2_fraction_to_interval);
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index a99e82e..cd8927e 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -465,6 +465,11 @@
 		__s32		fd;
 	} m;
 	__u32			data_offset;
+	/*
+	 * few userspace clients and drivers use reserved fields
+	 * and it is up to them how these fields are used. v4l2
+	 * simply copy reserved fields between them.
+	 */
 	__u32			reserved[11];
 };
 
@@ -529,7 +534,9 @@
 
 	if (copy_in_user(p64, p32, 2 * sizeof(__u32)) ||
 	    copy_in_user(&p64->data_offset, &p32->data_offset,
-			 sizeof(p64->data_offset)))
+			 sizeof(p64->data_offset)) ||
+	    copy_in_user(p64->reserved, p32->reserved,
+			 sizeof(p64->reserved)))
 		return -EFAULT;
 
 	switch (memory) {
@@ -561,7 +568,9 @@
 
 	if (copy_in_user(p32, p64, 2 * sizeof(__u32)) ||
 	    copy_in_user(&p32->data_offset, &p64->data_offset,
-			 sizeof(p64->data_offset)))
+			 sizeof(p64->data_offset)) ||
+	    copy_in_user(p32->reserved, p64->reserved,
+			 sizeof(p32->reserved)))
 		return -EFAULT;
 
 	switch (memory) {
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 41f8410..e46515f 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -421,6 +421,11 @@
 		"Annex B Start Code",
 		NULL,
 	};
+	static const char * const h264_hierarchical_coding_type[] = {
+		"Hier Coding B",
+		"Hier Coding P",
+		NULL,
+	};
 	static const char * const mpeg_mpeg2_level[] = {
 		"Low",
 		"Main",
@@ -697,6 +702,8 @@
 		return h264_decode_mode;
 	case V4L2_CID_MPEG_VIDEO_H264_START_CODE:
 		return h264_start_code;
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:
+		return h264_hierarchical_coding_type;
 	case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
 		return mpeg_mpeg2_level;
 	case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
@@ -874,6 +881,9 @@
 	case V4L2_CID_MPEG_VIDEO_HEADER_MODE:			return "Sequence Header Mode";
 	case V4L2_CID_MPEG_VIDEO_MAX_REF_PIC:			return "Max Number of Reference Pics";
 	case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE:		return "Frame Skip Mode";
+	case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:		return "Display Delay";
+	case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:	return "Display Delay Enable";
+	case V4L2_CID_MPEG_VIDEO_AU_DELIMITER:			return "Generate Access Unit Delimiters";
 	case V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP:		return "H263 I-Frame QP Value";
 	case V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP:		return "H263 P-Frame QP Value";
 	case V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP:		return "H263 B-Frame QP Value";
@@ -920,6 +930,15 @@
 	case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP:		return "H264 I-Frame Maximum QP Value";
 	case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP:		return "H264 P-Frame Minimum QP Value";
 	case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP:		return "H264 P-Frame Maximum QP Value";
+	case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP:		return "H264 B-Frame Minimum QP Value";
+	case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP:		return "H264 B-Frame Maximum QP Value";
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR:	return "H264 Hierarchical Lay 0 Bitrate";
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR:	return "H264 Hierarchical Lay 1 Bitrate";
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR:	return "H264 Hierarchical Lay 2 Bitrate";
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR:	return "H264 Hierarchical Lay 3 Bitrate";
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR:	return "H264 Hierarchical Lay 4 Bitrate";
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR:	return "H264 Hierarchical Lay 5 Bitrate";
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR:	return "H264 Hierarchical Lay 6 Bitrate";
 	case V4L2_CID_MPEG_VIDEO_H264_SPS:			return "H264 Sequence Parameter Set";
 	case V4L2_CID_MPEG_VIDEO_H264_PPS:			return "H264 Picture Parameter Set";
 	case V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX:		return "H264 Scaling Matrix";
@@ -944,11 +963,16 @@
 	case V4L2_CID_MPEG_VIDEO_VBV_SIZE:			return "VBV Buffer Size";
 	case V4L2_CID_MPEG_VIDEO_DEC_PTS:			return "Video Decoder PTS";
 	case V4L2_CID_MPEG_VIDEO_DEC_FRAME:			return "Video Decoder Frame Count";
+	case V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR:		return "Video Decoder Conceal Color";
 	case V4L2_CID_MPEG_VIDEO_VBV_DELAY:			return "Initial Delay for VBV Control";
 	case V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE:		return "Horizontal MV Search Range";
 	case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE:		return "Vertical MV Search Range";
 	case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER:		return "Repeat Sequence Header";
 	case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:		return "Force Key Frame";
+	case V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID:		return "Base Layer Priority ID";
+	case V4L2_CID_MPEG_VIDEO_LTR_COUNT:			return "LTR Count";
+	case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX:		return "Frame LTR Index";
+	case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES:		return "Use LTR Frames";
 	case V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS:		return "MPEG-2 Slice Parameters";
 	case V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION:		return "MPEG-2 Quantization Matrices";
 	case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS:			return "FWHT Stateless Parameters";
@@ -978,6 +1002,12 @@
 	case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP:		return "HEVC B-Frame QP Value";
 	case V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP:			return "HEVC Minimum QP Value";
 	case V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP:			return "HEVC Maximum QP Value";
+	case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP:		return "HEVC I-Frame Minimum QP Value";
+	case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP:		return "HEVC I-Frame Maximum QP Value";
+	case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP:		return "HEVC P-Frame Minimum QP Value";
+	case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP:		return "HEVC P-Frame Maximum QP Value";
+	case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP:		return "HEVC B-Frame Minimum QP Value";
+	case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP:		return "HEVC B-Frame Maximum QP Value";
 	case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:			return "HEVC Profile";
 	case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:			return "HEVC Level";
 	case V4L2_CID_MPEG_VIDEO_HEVC_TIER:			return "HEVC Tier";
@@ -1181,6 +1211,12 @@
 	case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: return "MD Global Threshold";
 	case V4L2_CID_DETECT_MD_THRESHOLD_GRID:	return "MD Threshold Grid";
 	case V4L2_CID_DETECT_MD_REGION_GRID:	return "MD Region Grid";
+
+	/* Colorimetry controls */
+	/* Keep the order of the 'case's the same as in v4l2-controls.h! */
+	case V4L2_CID_COLORIMETRY_CLASS:	return "Colorimetry Controls";
+	case V4L2_CID_COLORIMETRY_HDR10_CLL_INFO:		return "HDR10 Content Light Info";
+	case V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY:	return "HDR10 Mastering Display";
 	default:
 		return NULL;
 	}
@@ -1221,12 +1257,14 @@
 	case V4L2_CID_FLASH_READY:
 	case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
 	case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
+	case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
 	case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
 	case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
 	case V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM:
 	case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:
 	case V4L2_CID_MPEG_VIDEO_MPEG4_QPEL:
 	case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER:
+	case V4L2_CID_MPEG_VIDEO_AU_DELIMITER:
 	case V4L2_CID_WIDE_DYNAMIC_RANGE:
 	case V4L2_CID_IMAGE_STABILIZATION:
 	case V4L2_CID_RDS_RECEPTION:
@@ -1256,8 +1294,20 @@
 		break;
 	case V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE:
 	case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE:
+	case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:
 		*type = V4L2_CTRL_TYPE_INTEGER;
 		break;
+	case V4L2_CID_MPEG_VIDEO_LTR_COUNT:
+		*type = V4L2_CTRL_TYPE_INTEGER;
+		break;
+	case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX:
+		*type = V4L2_CTRL_TYPE_INTEGER;
+		*flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
+		break;
+	case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES:
+		*type = V4L2_CTRL_TYPE_BITMASK;
+		*flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
+		break;
 	case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
 	case V4L2_CID_PAN_RESET:
 	case V4L2_CID_TILT_RESET:
@@ -1308,6 +1358,7 @@
 	case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
 	case V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE:
 	case V4L2_CID_MPEG_VIDEO_H264_START_CODE:
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:
 	case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
 	case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
 	case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
@@ -1368,8 +1419,9 @@
 	case V4L2_CID_FM_RX_CLASS:
 	case V4L2_CID_RF_TUNER_CLASS:
 	case V4L2_CID_DETECT_CLASS:
+	case V4L2_CID_COLORIMETRY_CLASS:
 		*type = V4L2_CTRL_TYPE_CTRL_CLASS;
-		/* You can neither read not write these */
+		/* You can neither read nor write these */
 		*flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY;
 		*min = *max = *step = *def = 0;
 		break;
@@ -1409,6 +1461,14 @@
 		*max = 0x7fffffffffffffffLL;
 		*step = 1;
 		break;
+	case V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR:
+		*type = V4L2_CTRL_TYPE_INTEGER64;
+		*min = 0;
+		/* default for 8 bit black, luma is 16, chroma is 128 */
+		*def = 0x8000800010LL;
+		*max = 0xffffffffffffLL;
+		*step = 1;
+		break;
 	case V4L2_CID_PIXEL_RATE:
 		*type = V4L2_CTRL_TYPE_INTEGER64;
 		*flags |= V4L2_CTRL_FLAG_READ_ONLY;
@@ -1465,6 +1525,12 @@
 		*type = V4L2_CTRL_TYPE_AREA;
 		*flags |= V4L2_CTRL_FLAG_READ_ONLY;
 		break;
+	case V4L2_CID_COLORIMETRY_HDR10_CLL_INFO:
+		*type = V4L2_CTRL_TYPE_HDR10_CLL_INFO;
+		break;
+	case V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY:
+		*type = V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY;
+		break;
 	default:
 		*type = V4L2_CTRL_TYPE_INTEGER;
 		break;
@@ -1727,6 +1793,12 @@
 	case V4L2_CTRL_TYPE_U32:
 		pr_cont("%u", (unsigned)*ptr.p_u32);
 		break;
+	case V4L2_CTRL_TYPE_HDR10_CLL_INFO:
+		pr_cont("HDR10_CLL_INFO");
+		break;
+	case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY:
+		pr_cont("HDR10_MASTERING_DISPLAY");
+		break;
 	default:
 		pr_cont("unknown type %d", ctrl->type);
 		break;
@@ -1775,6 +1847,7 @@
 	struct v4l2_ctrl_hevc_sps *p_hevc_sps;
 	struct v4l2_ctrl_hevc_pps *p_hevc_pps;
 	struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
+	struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
 	struct v4l2_area *area;
 	void *p = ptr.p + idx * ctrl->elem_size;
 	unsigned int i;
@@ -1934,6 +2007,53 @@
 		zero_padding(*p_hevc_slice_params);
 		break;
 
+	case V4L2_CTRL_TYPE_HDR10_CLL_INFO:
+		break;
+
+	case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY:
+		p_hdr10_mastering = p;
+
+		for (i = 0; i < 3; ++i) {
+			if (p_hdr10_mastering->display_primaries_x[i] <
+				V4L2_HDR10_MASTERING_PRIMARIES_X_LOW ||
+			    p_hdr10_mastering->display_primaries_x[i] >
+				V4L2_HDR10_MASTERING_PRIMARIES_X_HIGH ||
+			    p_hdr10_mastering->display_primaries_y[i] <
+				V4L2_HDR10_MASTERING_PRIMARIES_Y_LOW ||
+			    p_hdr10_mastering->display_primaries_y[i] >
+				V4L2_HDR10_MASTERING_PRIMARIES_Y_HIGH)
+				return -EINVAL;
+		}
+
+		if (p_hdr10_mastering->white_point_x <
+			V4L2_HDR10_MASTERING_WHITE_POINT_X_LOW ||
+		    p_hdr10_mastering->white_point_x >
+			V4L2_HDR10_MASTERING_WHITE_POINT_X_HIGH ||
+		    p_hdr10_mastering->white_point_y <
+			V4L2_HDR10_MASTERING_WHITE_POINT_Y_LOW ||
+		    p_hdr10_mastering->white_point_y >
+			V4L2_HDR10_MASTERING_WHITE_POINT_Y_HIGH)
+			return -EINVAL;
+
+		if (p_hdr10_mastering->max_display_mastering_luminance <
+			V4L2_HDR10_MASTERING_MAX_LUMA_LOW ||
+		    p_hdr10_mastering->max_display_mastering_luminance >
+			V4L2_HDR10_MASTERING_MAX_LUMA_HIGH ||
+		    p_hdr10_mastering->min_display_mastering_luminance <
+			V4L2_HDR10_MASTERING_MIN_LUMA_LOW ||
+		    p_hdr10_mastering->min_display_mastering_luminance >
+			V4L2_HDR10_MASTERING_MIN_LUMA_HIGH)
+			return -EINVAL;
+
+		/* The following restriction comes from ITU-T Rec. H.265 spec */
+		if (p_hdr10_mastering->max_display_mastering_luminance ==
+			V4L2_HDR10_MASTERING_MAX_LUMA_LOW &&
+		    p_hdr10_mastering->min_display_mastering_luminance ==
+			V4L2_HDR10_MASTERING_MIN_LUMA_HIGH)
+			return -EINVAL;
+
+		break;
+
 	case V4L2_CTRL_TYPE_AREA:
 		area = p;
 		if (!area->width || !area->height)
@@ -2644,6 +2764,12 @@
 	case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS:
 		elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params);
 		break;
+	case V4L2_CTRL_TYPE_HDR10_CLL_INFO:
+		elem_size = sizeof(struct v4l2_ctrl_hdr10_cll_info);
+		break;
+	case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY:
+		elem_size = sizeof(struct v4l2_ctrl_hdr10_mastering_display);
+		break;
 	case V4L2_CTRL_TYPE_AREA:
 		elem_size = sizeof(struct v4l2_area);
 		break;
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 6d6d30d..b988002 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -28,6 +28,8 @@
 #include <media/v4l2-mem2mem.h>
 
 #include <trace/events/v4l2.h>
+#include <trace/hooks/v4l2core.h>
+
 
 /* Zero out the end of the struct pointed to by p.  Everything after, but
  * not including, the specified field is cleared. */
@@ -76,6 +78,15 @@
 	{ 0,			"Unknown"   }
 };
 
+static void clear_reserved(struct v4l2_format *p)
+{
+	int ret = 0;
+
+	trace_android_vh_clear_reserved_fmt_fields(p, &ret);
+	if (!ret)
+		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+}
+
 /* video4linux standard ID conversion to standard name
  */
 const char *v4l2_norm_to_name(v4l2_std_id id)
@@ -1470,6 +1481,9 @@
 		case V4L2_PIX_FMT_MT21C:	descr = "Mediatek Compressed Format"; break;
 		case V4L2_PIX_FMT_SUNXI_TILED_NV12: descr = "Sunxi Tiled NV12 Format"; break;
 		default:
+			trace_android_vh_fill_ext_fmtdesc(fmt, &descr);
+			if (descr)
+				break;
 			if (fmt->description[0])
 				return;
 			WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat);
@@ -1691,7 +1705,7 @@
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 		if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane))
 			break;
-		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+		clear_reserved(p);
 		for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
 			CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
 					  bytesperline);
@@ -1722,7 +1736,7 @@
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 		if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane))
 			break;
-		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+		clear_reserved(p);
 		for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
 			CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
 					  bytesperline);
@@ -1793,7 +1807,7 @@
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 		if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane))
 			break;
-		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+		clear_reserved(p);
 		for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
 			CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
 					  bytesperline);
@@ -1824,7 +1838,7 @@
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 		if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane))
 			break;
-		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+		clear_reserved(p);
 		for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
 			CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
 					  bytesperline);
@@ -3190,6 +3204,7 @@
 			if (flags & INFO_FL_CLEAR_MASK)
 				n = (flags & INFO_FL_CLEAR_MASK) >> 16;
 			*always_copy = flags & INFO_FL_ALWAYS_COPY;
+			trace_android_vh_clear_mask_adjust(v4l2_ioctls[_IOC_NR(cmd)].ioctl, &n);
 		}
 
 		if (copy_from_user(parg, (void __user *)arg, n))
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index fbf0dcb..b8f7d3a 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -22,6 +22,9 @@
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-fh.h>
 #include <media/v4l2-event.h>
+#ifndef __GENKSYMS__
+#include <trace/hooks/v4l2core.h>
+#endif
 
 #if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
 static int subdev_fh_init(struct v4l2_subdev_fh *fh, struct v4l2_subdev *sd)
@@ -487,10 +490,16 @@
 
 	case VIDIOC_SUBDEV_S_FMT: {
 		struct v4l2_subdev_format *format = arg;
+		int ret = 0;
 
 		if (format->which != V4L2_SUBDEV_FORMAT_TRY && ro_subdev)
 			return -EPERM;
 
+		trace_android_vh_v4l2subdev_set_fmt(sd, subdev_fh->pad,
+					format, &ret);
+		if (ret)
+			return ret;
+
 		memset(format->reserved, 0, sizeof(format->reserved));
 		memset(format->format.reserved, 0, sizeof(format->format.reserved));
 		return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh->pad, format);
@@ -561,10 +570,15 @@
 
 	case VIDIOC_SUBDEV_S_FRAME_INTERVAL: {
 		struct v4l2_subdev_frame_interval *fi = arg;
+		int ret = 0;
 
 		if (ro_subdev)
 			return -EPERM;
 
+		trace_android_vh_v4l2subdev_set_frame_interval(sd, fi, &ret);
+		if (ret)
+			return ret;
+
 		memset(fi->reserved, 0, sizeof(fi->reserved));
 		return v4l2_subdev_call(sd, video, s_frame_interval, arg);
 	}
@@ -587,10 +601,16 @@
 
 	case VIDIOC_SUBDEV_S_SELECTION: {
 		struct v4l2_subdev_selection *sel = arg;
+		int ret = 0;
 
 		if (sel->which != V4L2_SUBDEV_FORMAT_TRY && ro_subdev)
 			return -EPERM;
 
+		trace_android_vh_v4l2subdev_set_selection(sd, subdev_fh->pad,
+					sel, &ret);
+		if (ret)
+			return ret;
+
 		memset(sel->reserved, 0, sizeof(sel->reserved));
 		return v4l2_subdev_call(
 			sd, pad, set_selection, subdev_fh->pad, sel);
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index cc2c83e..e08bda1 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -173,7 +173,7 @@
 	  memory devices such as NAND and SRAM.
 
 config MTK_SMI
-	bool "Mediatek SoC Memory Controller driver" if COMPILE_TEST
+	tristate "MediaTek SoC Memory Controller driver" if COMPILE_TEST
 	depends on ARCH_MEDIATEK || COMPILE_TEST
 	help
 	  This driver is for the Memory Controller module in MediaTek SoCs,
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 75f8e0f..b396253 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -15,6 +15,7 @@
 #include <linux/pm_runtime.h>
 #include <soc/mediatek/smi.h>
 #include <dt-bindings/memory/mt2701-larb-port.h>
+#include <dt-bindings/memory/mtk-memory-port.h>
 
 /* mt8173 */
 #define SMI_LARB_MMU_EN		0xf00
@@ -43,6 +44,10 @@
 /* mt2712 */
 #define SMI_LARB_NONSEC_CON(id)	(0x380 + ((id) * 4))
 #define F_MMU_EN		BIT(0)
+#define BANK_SEL(id)		({			\
+	u32 _id = (id) & 0x3;				\
+	(_id << 8 | _id << 10 | _id << 12 | _id << 14);	\
+})
 
 /* SMI COMMON */
 #define SMI_BUS_SEL			0x220
@@ -87,6 +92,7 @@
 	const struct mtk_smi_larb_gen	*larb_gen;
 	int				larbid;
 	u32				*mmu;
+	unsigned char			*bank;
 };
 
 static int mtk_smi_clk_enable(const struct mtk_smi *smi)
@@ -153,6 +159,7 @@
 		if (dev == larb_mmu[i].dev) {
 			larb->larbid = i;
 			larb->mmu = &larb_mmu[i].mmu;
+			larb->bank = larb_mmu[i].bank;
 			return 0;
 		}
 	}
@@ -171,6 +178,7 @@
 	for_each_set_bit(i, (unsigned long *)larb->mmu, 32) {
 		reg = readl_relaxed(larb->base + SMI_LARB_NONSEC_CON(i));
 		reg |= F_MMU_EN;
+		reg |= BANK_SEL(larb->bank[i]);
 		writel(reg, larb->base + SMI_LARB_NONSEC_CON(i));
 	}
 }
@@ -268,6 +276,10 @@
 				      /* IPU0 | IPU1 | CCU */
 };
 
+static const struct mtk_smi_larb_gen mtk_smi_larb_mt8192 = {
+	.config_port                = mtk_smi_larb_config_port_gen2_general,
+};
+
 static const struct of_device_id mtk_smi_larb_of_ids[] = {
 	{
 		.compatible = "mediatek,mt8167-smi-larb",
@@ -293,6 +305,10 @@
 		.compatible = "mediatek,mt8183-smi-larb",
 		.data = &mtk_smi_larb_mt8183
 	},
+	{
+		.compatible = "mediatek,mt8192-smi-larb",
+		.data = &mtk_smi_larb_mt8192
+	},
 	{}
 };
 
@@ -432,6 +448,13 @@
 		    F_MMU1_LARB(7),
 };
 
+static const struct mtk_smi_common_plat mtk_smi_common_mt8192 = {
+	.gen      = MTK_SMI_GEN2,
+	.has_gals = true,
+	.bus_sel  = F_MMU1_LARB(1) | F_MMU1_LARB(2) | F_MMU1_LARB(5) |
+		    F_MMU1_LARB(6),
+};
+
 static const struct of_device_id mtk_smi_common_of_ids[] = {
 	{
 		.compatible = "mediatek,mt8173-smi-common",
@@ -457,6 +480,10 @@
 		.compatible = "mediatek,mt8183-smi-common",
 		.data = &mtk_smi_common_mt8183,
 	},
+	{
+		.compatible = "mediatek,mt8192-smi-common",
+		.data = &mtk_smi_common_mt8192,
+	},
 	{}
 };
 
@@ -568,26 +595,22 @@
 	}
 };
 
+static struct platform_driver * const smidrivers[] = {
+	&mtk_smi_common_driver,
+	&mtk_smi_larb_driver,
+};
+
 static int __init mtk_smi_init(void)
 {
-	int ret;
-
-	ret = platform_driver_register(&mtk_smi_common_driver);
-	if (ret != 0) {
-		pr_err("Failed to register SMI driver\n");
-		return ret;
-	}
-
-	ret = platform_driver_register(&mtk_smi_larb_driver);
-	if (ret != 0) {
-		pr_err("Failed to register SMI-LARB driver\n");
-		goto err_unreg_smi;
-	}
-	return ret;
-
-err_unreg_smi:
-	platform_driver_unregister(&mtk_smi_common_driver);
-	return ret;
+	return platform_register_drivers(smidrivers, ARRAY_SIZE(smidrivers));
 }
-
 module_init(mtk_smi_init);
+
+static void __exit mtk_smi_exit(void)
+{
+	platform_unregister_drivers(smidrivers, ARRAY_SIZE(smidrivers));
+}
+module_exit(mtk_smi_exit);
+
+MODULE_DESCRIPTION("MediaTek SMI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index fafa8b0..2b9572a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -448,6 +448,21 @@
 	tristate
 	default MISC_RTSX_PCI || MISC_RTSX_USB
 
+config UID_SYS_STATS
+	bool "Per-UID statistics"
+	depends on PROFILING && TASK_XACCT && TASK_IO_ACCOUNTING
+	help
+	  Per UID based cpu time statistics exported to /proc/uid_cputime
+	  Per UID based io statistics exported to /proc/uid_io
+	  Per UID based procstat control in /proc/uid_procstat
+
+config UID_SYS_STATS_DEBUG
+	bool "Per-TASK statistics"
+	depends on UID_SYS_STATS
+	default n
+	help
+	  Per TASK based io statistics exported to /proc/uid_io
+
 config PVPANIC
 	tristate "pvpanic device support"
 	depends on HAS_IOMEM && (ACPI || OF)
@@ -466,6 +481,18 @@
 	  switching between the dual-role USB-C port and the USB-A host ports
 	  using only one USB controller.
 
+config OPEN_DICE
+	tristate "Open Profile for DICE driver"
+	depends on OF_RESERVED_MEM
+	help
+	  This driver exposes a DICE reserved memory region to userspace via
+	  a character device. The memory region contains Compound Device
+	  Identifiers (CDIs) generated by firmware as an output of DICE
+	  measured boot flow. Userspace can use CDIs for remote attestation
+	  and sealing.
+
+	  If unsure, say N.
+
 source "drivers/misc/c2port/Kconfig"
 source "drivers/misc/eeprom/Kconfig"
 source "drivers/misc/cb710/Kconfig"
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index d23231e..2ec6343 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -57,3 +57,5 @@
 obj-$(CONFIG_UACCE)		+= uacce/
 obj-$(CONFIG_XILINX_SDFEC)	+= xilinx_sdfec.o
 obj-$(CONFIG_HISI_HIKEY_USB)	+= hisi_hikey_usb.o
+obj-$(CONFIG_UID_SYS_STATS)	+= uid_sys_stats.o
+obj-$(CONFIG_OPEN_DICE)		+= open-dice.o
diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile
index 4405fb2b..a191f51 100644
--- a/drivers/misc/lkdtm/Makefile
+++ b/drivers/misc/lkdtm/Makefile
@@ -11,8 +11,10 @@
 lkdtm-$(CONFIG_LKDTM)		+= stackleak.o
 lkdtm-$(CONFIG_LKDTM)		+= cfi.o
 
+KASAN_SANITIZE_rodata.o		:= n
 KASAN_SANITIZE_stackleak.o	:= n
 KCOV_INSTRUMENT_rodata.o	:= n
+CFLAGS_REMOVE_rodata.o		+= $(CC_FLAGS_LTO)
 
 OBJCOPYFLAGS :=
 OBJCOPYFLAGS_rodata_objcopy.o	:= \
diff --git a/drivers/misc/lkdtm/usercopy.c b/drivers/misc/lkdtm/usercopy.c
index cde2655..8e01c25 100644
--- a/drivers/misc/lkdtm/usercopy.c
+++ b/drivers/misc/lkdtm/usercopy.c
@@ -325,7 +325,7 @@
 
 	pr_info("attempting bad copy_to_user from kernel text: %px\n",
 		vm_mmap);
-	if (copy_to_user((void __user *)user_addr, vm_mmap,
+	if (copy_to_user((void __user *)user_addr, __va_function(vm_mmap),
 			 unconst + PAGE_SIZE)) {
 		pr_warn("copy_to_user failed, but lacked Oops\n");
 		goto free_user;
diff --git a/drivers/misc/open-dice.c b/drivers/misc/open-dice.c
new file mode 100644
index 0000000..c61be34
--- /dev/null
+++ b/drivers/misc/open-dice.c
@@ -0,0 +1,208 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ *
+ * Driver for Open Profile for DICE.
+ *
+ * This driver takes ownership of a reserved memory region containing data
+ * generated by the Open Profile for DICE measured boot protocol. The memory
+ * contents are not interpreted by the kernel but can be mapped into a userspace
+ * process via a misc device. Userspace can also request a wipe of the memory.
+ *
+ * Userspace can access the data with (w/o error handling):
+ *
+ *     fd = open("/dev/open-dice0", O_RDWR);
+ *     read(fd, &size, sizeof(unsigned long));
+ *     data = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
+ *     write(fd, NULL, 0); // wipe
+ *     close(fd);
+ */
+
+#include <linux/io.h>
+#include <linux/miscdevice.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/platform_device.h>
+
+#define DRIVER_NAME "open-dice"
+
+struct open_dice_drvdata {
+	struct mutex lock;
+	char name[16];
+	struct reserved_mem *rmem;
+	struct miscdevice misc;
+};
+
+static inline struct open_dice_drvdata *to_open_dice_drvdata(struct file *filp)
+{
+	return container_of(filp->private_data, struct open_dice_drvdata, misc);
+}
+
+static int open_dice_wipe(struct open_dice_drvdata *drvdata)
+{
+	void *kaddr;
+
+	mutex_lock(&drvdata->lock);
+	kaddr = devm_memremap(drvdata->misc.this_device, drvdata->rmem->base,
+			      drvdata->rmem->size, MEMREMAP_WC);
+	if (IS_ERR(kaddr)) {
+		mutex_unlock(&drvdata->lock);
+		return PTR_ERR(kaddr);
+	}
+
+	memset(kaddr, 0, drvdata->rmem->size);
+	devm_memunmap(drvdata->misc.this_device, kaddr);
+	mutex_unlock(&drvdata->lock);
+	return 0;
+}
+
+/*
+ * Copies the size of the reserved memory region to the user-provided buffer.
+ */
+static ssize_t open_dice_read(struct file *filp, char __user *ptr, size_t len,
+			      loff_t *off)
+{
+	unsigned long val = to_open_dice_drvdata(filp)->rmem->size;
+
+	return simple_read_from_buffer(ptr, len, off, &val, sizeof(val));
+}
+
+/*
+ * Triggers a wipe of the reserved memory region. The user-provided pointer
+ * is never dereferenced.
+ */
+static ssize_t open_dice_write(struct file *filp, const char __user *ptr,
+			       size_t len, loff_t *off)
+{
+	if (open_dice_wipe(to_open_dice_drvdata(filp)))
+		return -EIO;
+
+	/* Consume the input buffer. */
+	return len;
+}
+
+/*
+ * Creates a mapping of the reserved memory region in user address space.
+ */
+static int open_dice_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	struct open_dice_drvdata *drvdata = to_open_dice_drvdata(filp);
+
+	/* Do not allow userspace to modify the underlying data. */
+	if ((vma->vm_flags & VM_WRITE) && (vma->vm_flags & VM_SHARED))
+		return -EPERM;
+
+	/* Ensure userspace cannot acquire VM_WRITE + VM_SHARED later. */
+	if (vma->vm_flags & VM_WRITE)
+		vma->vm_flags &= ~VM_MAYSHARE;
+	else if (vma->vm_flags & VM_SHARED)
+		vma->vm_flags &= ~VM_MAYWRITE;
+
+	/* Create write-combine mapping so all clients observe a wipe. */
+	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+	vma->vm_flags |= VM_DONTCOPY | VM_DONTDUMP;
+	return vm_iomap_memory(vma, drvdata->rmem->base, drvdata->rmem->size);
+}
+
+static const struct file_operations open_dice_fops = {
+	.owner = THIS_MODULE,
+	.read = open_dice_read,
+	.write = open_dice_write,
+	.mmap = open_dice_mmap,
+};
+
+static int __init open_dice_probe(struct platform_device *pdev)
+{
+	static unsigned int dev_idx;
+	struct device *dev = &pdev->dev;
+	struct reserved_mem *rmem;
+	struct open_dice_drvdata *drvdata;
+	int ret;
+
+	rmem = of_reserved_mem_lookup(dev->of_node);
+	if (!rmem) {
+		dev_err(dev, "failed to lookup reserved memory\n");
+		return -EINVAL;
+	}
+
+	if (!rmem->size || (rmem->size > ULONG_MAX)) {
+		dev_err(dev, "invalid memory region size\n");
+		return -EINVAL;
+	}
+
+	if (!PAGE_ALIGNED(rmem->base) || !PAGE_ALIGNED(rmem->size)) {
+		dev_err(dev, "memory region must be page-aligned\n");
+		return -EINVAL;
+	}
+
+	drvdata = devm_kmalloc(dev, sizeof(*drvdata), GFP_KERNEL);
+	if (!drvdata)
+		return -ENOMEM;
+
+	*drvdata = (struct open_dice_drvdata){
+		.lock = __MUTEX_INITIALIZER(drvdata->lock),
+		.rmem = rmem,
+		.misc = (struct miscdevice){
+			.parent	= dev,
+			.name	= drvdata->name,
+			.minor	= MISC_DYNAMIC_MINOR,
+			.fops	= &open_dice_fops,
+			.mode	= 0600,
+		},
+	};
+
+	/* Index overflow check not needed, misc_register() will fail. */
+	snprintf(drvdata->name, sizeof(drvdata->name), DRIVER_NAME"%u", dev_idx++);
+
+	ret = misc_register(&drvdata->misc);
+	if (ret) {
+		dev_err(dev, "failed to register misc device '%s': %d\n",
+			drvdata->name, ret);
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, drvdata);
+	return 0;
+}
+
+static int open_dice_remove(struct platform_device *pdev)
+{
+	struct open_dice_drvdata *drvdata = platform_get_drvdata(pdev);
+
+	misc_deregister(&drvdata->misc);
+	return 0;
+}
+
+static const struct of_device_id open_dice_of_match[] = {
+	{ .compatible = "google,open-dice" },
+	{},
+};
+
+static struct platform_driver open_dice_driver = {
+	.remove = open_dice_remove,
+	.driver = {
+		.name = DRIVER_NAME,
+		.of_match_table = open_dice_of_match,
+	},
+};
+
+static int __init open_dice_init(void)
+{
+	int ret = platform_driver_probe(&open_dice_driver, open_dice_probe);
+
+	/* DICE regions are optional. Succeed even with zero instances. */
+	return (ret == -ENODEV) ? 0 : ret;
+}
+
+static void __exit open_dice_exit(void)
+{
+	platform_driver_unregister(&open_dice_driver);
+}
+
+module_init(open_dice_init);
+module_exit(open_dice_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("David Brazdil <dbrazdil@google.com>");
diff --git a/drivers/misc/uid_sys_stats.c b/drivers/misc/uid_sys_stats.c
new file mode 100644
index 0000000..4733670
--- /dev/null
+++ b/drivers/misc/uid_sys_stats.c
@@ -0,0 +1,706 @@
+/* drivers/misc/uid_sys_stats.c
+ *
+ * Copyright (C) 2014 - 2015 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/atomic.h>
+#include <linux/err.h>
+#include <linux/hashtable.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <linux/proc_fs.h>
+#include <linux/profile.h>
+#include <linux/rtmutex.h>
+#include <linux/sched/cputime.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+
+#define UID_HASH_BITS	10
+DECLARE_HASHTABLE(hash_table, UID_HASH_BITS);
+
+static DEFINE_RT_MUTEX(uid_lock);
+static struct proc_dir_entry *cpu_parent;
+static struct proc_dir_entry *io_parent;
+static struct proc_dir_entry *proc_parent;
+
+struct io_stats {
+	u64 read_bytes;
+	u64 write_bytes;
+	u64 rchar;
+	u64 wchar;
+	u64 fsync;
+};
+
+#define UID_STATE_FOREGROUND	0
+#define UID_STATE_BACKGROUND	1
+#define UID_STATE_BUCKET_SIZE	2
+
+#define UID_STATE_TOTAL_CURR	2
+#define UID_STATE_TOTAL_LAST	3
+#define UID_STATE_DEAD_TASKS	4
+#define UID_STATE_SIZE		5
+
+#define MAX_TASK_COMM_LEN 256
+
+struct task_entry {
+	char comm[MAX_TASK_COMM_LEN];
+	pid_t pid;
+	struct io_stats io[UID_STATE_SIZE];
+	struct hlist_node hash;
+};
+
+struct uid_entry {
+	uid_t uid;
+	u64 utime;
+	u64 stime;
+	u64 active_utime;
+	u64 active_stime;
+	int state;
+	struct io_stats io[UID_STATE_SIZE];
+	struct hlist_node hash;
+#ifdef CONFIG_UID_SYS_STATS_DEBUG
+	DECLARE_HASHTABLE(task_entries, UID_HASH_BITS);
+#endif
+};
+
+static u64 compute_write_bytes(struct task_struct *task)
+{
+	if (task->ioac.write_bytes <= task->ioac.cancelled_write_bytes)
+		return 0;
+
+	return task->ioac.write_bytes - task->ioac.cancelled_write_bytes;
+}
+
+static void compute_io_bucket_stats(struct io_stats *io_bucket,
+					struct io_stats *io_curr,
+					struct io_stats *io_last,
+					struct io_stats *io_dead)
+{
+	/* tasks could switch to another uid group, but its io_last in the
+	 * previous uid group could still be positive.
+	 * therefore before each update, do an overflow check first
+	 */
+	int64_t delta;
+
+	delta = io_curr->read_bytes + io_dead->read_bytes -
+		io_last->read_bytes;
+	io_bucket->read_bytes += delta > 0 ? delta : 0;
+	delta = io_curr->write_bytes + io_dead->write_bytes -
+		io_last->write_bytes;
+	io_bucket->write_bytes += delta > 0 ? delta : 0;
+	delta = io_curr->rchar + io_dead->rchar - io_last->rchar;
+	io_bucket->rchar += delta > 0 ? delta : 0;
+	delta = io_curr->wchar + io_dead->wchar - io_last->wchar;
+	io_bucket->wchar += delta > 0 ? delta : 0;
+	delta = io_curr->fsync + io_dead->fsync - io_last->fsync;
+	io_bucket->fsync += delta > 0 ? delta : 0;
+
+	io_last->read_bytes = io_curr->read_bytes;
+	io_last->write_bytes = io_curr->write_bytes;
+	io_last->rchar = io_curr->rchar;
+	io_last->wchar = io_curr->wchar;
+	io_last->fsync = io_curr->fsync;
+
+	memset(io_dead, 0, sizeof(struct io_stats));
+}
+
+#ifdef CONFIG_UID_SYS_STATS_DEBUG
+static void get_full_task_comm(struct task_entry *task_entry,
+		struct task_struct *task)
+{
+	int i = 0, offset = 0, len = 0;
+	/* save one byte for terminating null character */
+	int unused_len = MAX_TASK_COMM_LEN - TASK_COMM_LEN - 1;
+	char buf[MAX_TASK_COMM_LEN - TASK_COMM_LEN - 1];
+	struct mm_struct *mm = task->mm;
+
+	/* fill the first TASK_COMM_LEN bytes with thread name */
+	__get_task_comm(task_entry->comm, TASK_COMM_LEN, task);
+	i = strlen(task_entry->comm);
+	while (i < TASK_COMM_LEN)
+		task_entry->comm[i++] = ' ';
+
+	/* next the executable file name */
+	if (mm) {
+		mmap_write_lock(mm);
+		if (mm->exe_file) {
+			char *pathname = d_path(&mm->exe_file->f_path, buf,
+					unused_len);
+
+			if (!IS_ERR(pathname)) {
+				len = strlcpy(task_entry->comm + i, pathname,
+						unused_len);
+				i += len;
+				task_entry->comm[i++] = ' ';
+				unused_len--;
+			}
+		}
+		mmap_write_unlock(mm);
+	}
+	unused_len -= len;
+
+	/* fill the rest with command line argument
+	 * replace each null or new line character
+	 * between args in argv with whitespace */
+	len = get_cmdline(task, buf, unused_len);
+	while (offset < len) {
+		if (buf[offset] != '\0' && buf[offset] != '\n')
+			task_entry->comm[i++] = buf[offset];
+		else
+			task_entry->comm[i++] = ' ';
+		offset++;
+	}
+
+	/* get rid of trailing whitespaces in case when arg is memset to
+	 * zero before being reset in userspace
+	 */
+	while (task_entry->comm[i-1] == ' ')
+		i--;
+	task_entry->comm[i] = '\0';
+}
+
+static struct task_entry *find_task_entry(struct uid_entry *uid_entry,
+		struct task_struct *task)
+{
+	struct task_entry *task_entry;
+
+	hash_for_each_possible(uid_entry->task_entries, task_entry, hash,
+			task->pid) {
+		if (task->pid == task_entry->pid) {
+			/* if thread name changed, update the entire command */
+			int len = strnchr(task_entry->comm, ' ', TASK_COMM_LEN)
+				- task_entry->comm;
+
+			if (strncmp(task_entry->comm, task->comm, len))
+				get_full_task_comm(task_entry, task);
+			return task_entry;
+		}
+	}
+	return NULL;
+}
+
+static struct task_entry *find_or_register_task(struct uid_entry *uid_entry,
+		struct task_struct *task)
+{
+	struct task_entry *task_entry;
+	pid_t pid = task->pid;
+
+	task_entry = find_task_entry(uid_entry, task);
+	if (task_entry)
+		return task_entry;
+
+	task_entry = kzalloc(sizeof(struct task_entry), GFP_ATOMIC);
+	if (!task_entry)
+		return NULL;
+
+	get_full_task_comm(task_entry, task);
+
+	task_entry->pid = pid;
+	hash_add(uid_entry->task_entries, &task_entry->hash, (unsigned int)pid);
+
+	return task_entry;
+}
+
+static void remove_uid_tasks(struct uid_entry *uid_entry)
+{
+	struct task_entry *task_entry;
+	unsigned long bkt_task;
+	struct hlist_node *tmp_task;
+
+	hash_for_each_safe(uid_entry->task_entries, bkt_task,
+			tmp_task, task_entry, hash) {
+		hash_del(&task_entry->hash);
+		kfree(task_entry);
+	}
+}
+
+static void set_io_uid_tasks_zero(struct uid_entry *uid_entry)
+{
+	struct task_entry *task_entry;
+	unsigned long bkt_task;
+
+	hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {
+		memset(&task_entry->io[UID_STATE_TOTAL_CURR], 0,
+			sizeof(struct io_stats));
+	}
+}
+
+static void add_uid_tasks_io_stats(struct uid_entry *uid_entry,
+		struct task_struct *task, int slot)
+{
+	struct task_entry *task_entry = find_or_register_task(uid_entry, task);
+	struct io_stats *task_io_slot = &task_entry->io[slot];
+
+	task_io_slot->read_bytes += task->ioac.read_bytes;
+	task_io_slot->write_bytes += compute_write_bytes(task);
+	task_io_slot->rchar += task->ioac.rchar;
+	task_io_slot->wchar += task->ioac.wchar;
+	task_io_slot->fsync += task->ioac.syscfs;
+}
+
+static void compute_io_uid_tasks(struct uid_entry *uid_entry)
+{
+	struct task_entry *task_entry;
+	unsigned long bkt_task;
+
+	hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {
+		compute_io_bucket_stats(&task_entry->io[uid_entry->state],
+					&task_entry->io[UID_STATE_TOTAL_CURR],
+					&task_entry->io[UID_STATE_TOTAL_LAST],
+					&task_entry->io[UID_STATE_DEAD_TASKS]);
+	}
+}
+
+static void show_io_uid_tasks(struct seq_file *m, struct uid_entry *uid_entry)
+{
+	struct task_entry *task_entry;
+	unsigned long bkt_task;
+
+	hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {
+		/* Separated by comma because space exists in task comm */
+		seq_printf(m, "task,%s,%lu,%llu,%llu,%llu,%llu,%llu,%llu,%llu,%llu,%llu,%llu\n",
+				task_entry->comm,
+				(unsigned long)task_entry->pid,
+				task_entry->io[UID_STATE_FOREGROUND].rchar,
+				task_entry->io[UID_STATE_FOREGROUND].wchar,
+				task_entry->io[UID_STATE_FOREGROUND].read_bytes,
+				task_entry->io[UID_STATE_FOREGROUND].write_bytes,
+				task_entry->io[UID_STATE_BACKGROUND].rchar,
+				task_entry->io[UID_STATE_BACKGROUND].wchar,
+				task_entry->io[UID_STATE_BACKGROUND].read_bytes,
+				task_entry->io[UID_STATE_BACKGROUND].write_bytes,
+				task_entry->io[UID_STATE_FOREGROUND].fsync,
+				task_entry->io[UID_STATE_BACKGROUND].fsync);
+	}
+}
+#else
+static void remove_uid_tasks(struct uid_entry *uid_entry) {};
+static void set_io_uid_tasks_zero(struct uid_entry *uid_entry) {};
+static void add_uid_tasks_io_stats(struct uid_entry *uid_entry,
+		struct task_struct *task, int slot) {};
+static void compute_io_uid_tasks(struct uid_entry *uid_entry) {};
+static void show_io_uid_tasks(struct seq_file *m,
+		struct uid_entry *uid_entry) {}
+#endif
+
+static struct uid_entry *find_uid_entry(uid_t uid)
+{
+	struct uid_entry *uid_entry;
+	hash_for_each_possible(hash_table, uid_entry, hash, uid) {
+		if (uid_entry->uid == uid)
+			return uid_entry;
+	}
+	return NULL;
+}
+
+static struct uid_entry *find_or_register_uid(uid_t uid)
+{
+	struct uid_entry *uid_entry;
+
+	uid_entry = find_uid_entry(uid);
+	if (uid_entry)
+		return uid_entry;
+
+	uid_entry = kzalloc(sizeof(struct uid_entry), GFP_ATOMIC);
+	if (!uid_entry)
+		return NULL;
+
+	uid_entry->uid = uid;
+#ifdef CONFIG_UID_SYS_STATS_DEBUG
+	hash_init(uid_entry->task_entries);
+#endif
+	hash_add(hash_table, &uid_entry->hash, uid);
+
+	return uid_entry;
+}
+
+static int uid_cputime_show(struct seq_file *m, void *v)
+{
+	struct uid_entry *uid_entry = NULL;
+	struct task_struct *task, *temp;
+	struct user_namespace *user_ns = current_user_ns();
+	u64 utime;
+	u64 stime;
+	unsigned long bkt;
+	uid_t uid;
+
+	rt_mutex_lock(&uid_lock);
+
+	hash_for_each(hash_table, bkt, uid_entry, hash) {
+		uid_entry->active_stime = 0;
+		uid_entry->active_utime = 0;
+	}
+
+	rcu_read_lock();
+	do_each_thread(temp, task) {
+		uid = from_kuid_munged(user_ns, task_uid(task));
+		if (!uid_entry || uid_entry->uid != uid)
+			uid_entry = find_or_register_uid(uid);
+		if (!uid_entry) {
+			rcu_read_unlock();
+			rt_mutex_unlock(&uid_lock);
+			pr_err("%s: failed to find the uid_entry for uid %d\n",
+				__func__, uid);
+			return -ENOMEM;
+		}
+		/* avoid double accounting of dying threads */
+		if (!(task->flags & PF_EXITING)) {
+			task_cputime_adjusted(task, &utime, &stime);
+			uid_entry->active_utime += utime;
+			uid_entry->active_stime += stime;
+		}
+	} while_each_thread(temp, task);
+	rcu_read_unlock();
+
+	hash_for_each(hash_table, bkt, uid_entry, hash) {
+		u64 total_utime = uid_entry->utime +
+							uid_entry->active_utime;
+		u64 total_stime = uid_entry->stime +
+							uid_entry->active_stime;
+		seq_printf(m, "%d: %llu %llu\n", uid_entry->uid,
+			ktime_to_us(total_utime), ktime_to_us(total_stime));
+	}
+
+	rt_mutex_unlock(&uid_lock);
+	return 0;
+}
+
+static int uid_cputime_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, uid_cputime_show, PDE_DATA(inode));
+}
+
+static const struct proc_ops uid_cputime_fops = {
+	.proc_open	= uid_cputime_open,
+	.proc_read	= seq_read,
+	.proc_lseek	= seq_lseek,
+	.proc_release	= single_release,
+};
+
+static int uid_remove_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, NULL, NULL);
+}
+
+static ssize_t uid_remove_write(struct file *file,
+			const char __user *buffer, size_t count, loff_t *ppos)
+{
+	struct uid_entry *uid_entry;
+	struct hlist_node *tmp;
+	char uids[128];
+	char *start_uid, *end_uid = NULL;
+	long int uid_start = 0, uid_end = 0;
+
+	if (count >= sizeof(uids))
+		count = sizeof(uids) - 1;
+
+	if (copy_from_user(uids, buffer, count))
+		return -EFAULT;
+
+	uids[count] = '\0';
+	end_uid = uids;
+	start_uid = strsep(&end_uid, "-");
+
+	if (!start_uid || !end_uid)
+		return -EINVAL;
+
+	if (kstrtol(start_uid, 10, &uid_start) != 0 ||
+		kstrtol(end_uid, 10, &uid_end) != 0) {
+		return -EINVAL;
+	}
+
+	rt_mutex_lock(&uid_lock);
+
+	for (; uid_start <= uid_end; uid_start++) {
+		hash_for_each_possible_safe(hash_table, uid_entry, tmp,
+							hash, (uid_t)uid_start) {
+			if (uid_start == uid_entry->uid) {
+				remove_uid_tasks(uid_entry);
+				hash_del(&uid_entry->hash);
+				kfree(uid_entry);
+			}
+		}
+	}
+
+	rt_mutex_unlock(&uid_lock);
+	return count;
+}
+
+static const struct proc_ops uid_remove_fops = {
+	.proc_open	= uid_remove_open,
+	.proc_release	= single_release,
+	.proc_write	= uid_remove_write,
+};
+
+
+static void add_uid_io_stats(struct uid_entry *uid_entry,
+			struct task_struct *task, int slot)
+{
+	struct io_stats *io_slot = &uid_entry->io[slot];
+
+	/* avoid double accounting of dying threads */
+	if (slot != UID_STATE_DEAD_TASKS && (task->flags & PF_EXITING))
+		return;
+
+	io_slot->read_bytes += task->ioac.read_bytes;
+	io_slot->write_bytes += compute_write_bytes(task);
+	io_slot->rchar += task->ioac.rchar;
+	io_slot->wchar += task->ioac.wchar;
+	io_slot->fsync += task->ioac.syscfs;
+
+	add_uid_tasks_io_stats(uid_entry, task, slot);
+}
+
+static void update_io_stats_all_locked(void)
+{
+	struct uid_entry *uid_entry = NULL;
+	struct task_struct *task, *temp;
+	struct user_namespace *user_ns = current_user_ns();
+	unsigned long bkt;
+	uid_t uid;
+
+	hash_for_each(hash_table, bkt, uid_entry, hash) {
+		memset(&uid_entry->io[UID_STATE_TOTAL_CURR], 0,
+			sizeof(struct io_stats));
+		set_io_uid_tasks_zero(uid_entry);
+	}
+
+	rcu_read_lock();
+	do_each_thread(temp, task) {
+		uid = from_kuid_munged(user_ns, task_uid(task));
+		if (!uid_entry || uid_entry->uid != uid)
+			uid_entry = find_or_register_uid(uid);
+		if (!uid_entry)
+			continue;
+		add_uid_io_stats(uid_entry, task, UID_STATE_TOTAL_CURR);
+	} while_each_thread(temp, task);
+	rcu_read_unlock();
+
+	hash_for_each(hash_table, bkt, uid_entry, hash) {
+		compute_io_bucket_stats(&uid_entry->io[uid_entry->state],
+					&uid_entry->io[UID_STATE_TOTAL_CURR],
+					&uid_entry->io[UID_STATE_TOTAL_LAST],
+					&uid_entry->io[UID_STATE_DEAD_TASKS]);
+		compute_io_uid_tasks(uid_entry);
+	}
+}
+
+static void update_io_stats_uid_locked(struct uid_entry *uid_entry)
+{
+	struct task_struct *task, *temp;
+	struct user_namespace *user_ns = current_user_ns();
+
+	memset(&uid_entry->io[UID_STATE_TOTAL_CURR], 0,
+		sizeof(struct io_stats));
+	set_io_uid_tasks_zero(uid_entry);
+
+	rcu_read_lock();
+	do_each_thread(temp, task) {
+		if (from_kuid_munged(user_ns, task_uid(task)) != uid_entry->uid)
+			continue;
+		add_uid_io_stats(uid_entry, task, UID_STATE_TOTAL_CURR);
+	} while_each_thread(temp, task);
+	rcu_read_unlock();
+
+	compute_io_bucket_stats(&uid_entry->io[uid_entry->state],
+				&uid_entry->io[UID_STATE_TOTAL_CURR],
+				&uid_entry->io[UID_STATE_TOTAL_LAST],
+				&uid_entry->io[UID_STATE_DEAD_TASKS]);
+	compute_io_uid_tasks(uid_entry);
+}
+
+
+static int uid_io_show(struct seq_file *m, void *v)
+{
+	struct uid_entry *uid_entry;
+	unsigned long bkt;
+
+	rt_mutex_lock(&uid_lock);
+
+	update_io_stats_all_locked();
+
+	hash_for_each(hash_table, bkt, uid_entry, hash) {
+		seq_printf(m, "%d %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+				uid_entry->uid,
+				uid_entry->io[UID_STATE_FOREGROUND].rchar,
+				uid_entry->io[UID_STATE_FOREGROUND].wchar,
+				uid_entry->io[UID_STATE_FOREGROUND].read_bytes,
+				uid_entry->io[UID_STATE_FOREGROUND].write_bytes,
+				uid_entry->io[UID_STATE_BACKGROUND].rchar,
+				uid_entry->io[UID_STATE_BACKGROUND].wchar,
+				uid_entry->io[UID_STATE_BACKGROUND].read_bytes,
+				uid_entry->io[UID_STATE_BACKGROUND].write_bytes,
+				uid_entry->io[UID_STATE_FOREGROUND].fsync,
+				uid_entry->io[UID_STATE_BACKGROUND].fsync);
+
+		show_io_uid_tasks(m, uid_entry);
+	}
+
+	rt_mutex_unlock(&uid_lock);
+	return 0;
+}
+
+static int uid_io_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, uid_io_show, PDE_DATA(inode));
+}
+
+static const struct proc_ops uid_io_fops = {
+	.proc_open	= uid_io_open,
+	.proc_read	= seq_read,
+	.proc_lseek	= seq_lseek,
+	.proc_release	= single_release,
+};
+
+static int uid_procstat_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, NULL, NULL);
+}
+
+static ssize_t uid_procstat_write(struct file *file,
+			const char __user *buffer, size_t count, loff_t *ppos)
+{
+	struct uid_entry *uid_entry;
+	uid_t uid;
+	int argc, state;
+	char input[128];
+
+	if (count >= sizeof(input))
+		return -EINVAL;
+
+	if (copy_from_user(input, buffer, count))
+		return -EFAULT;
+
+	input[count] = '\0';
+
+	argc = sscanf(input, "%u %d", &uid, &state);
+	if (argc != 2)
+		return -EINVAL;
+
+	if (state != UID_STATE_BACKGROUND && state != UID_STATE_FOREGROUND)
+		return -EINVAL;
+
+	rt_mutex_lock(&uid_lock);
+
+	uid_entry = find_or_register_uid(uid);
+	if (!uid_entry) {
+		rt_mutex_unlock(&uid_lock);
+		return -EINVAL;
+	}
+
+	if (uid_entry->state == state) {
+		rt_mutex_unlock(&uid_lock);
+		return count;
+	}
+
+	update_io_stats_uid_locked(uid_entry);
+
+	uid_entry->state = state;
+
+	rt_mutex_unlock(&uid_lock);
+
+	return count;
+}
+
+static const struct proc_ops uid_procstat_fops = {
+	.proc_open	= uid_procstat_open,
+	.proc_release	= single_release,
+	.proc_write	= uid_procstat_write,
+};
+
+static int process_notifier(struct notifier_block *self,
+			unsigned long cmd, void *v)
+{
+	struct task_struct *task = v;
+	struct uid_entry *uid_entry;
+	u64 utime, stime;
+	uid_t uid;
+
+	if (!task)
+		return NOTIFY_OK;
+
+	rt_mutex_lock(&uid_lock);
+	uid = from_kuid_munged(current_user_ns(), task_uid(task));
+	uid_entry = find_or_register_uid(uid);
+	if (!uid_entry) {
+		pr_err("%s: failed to find uid %d\n", __func__, uid);
+		goto exit;
+	}
+
+	task_cputime_adjusted(task, &utime, &stime);
+	uid_entry->utime += utime;
+	uid_entry->stime += stime;
+
+	add_uid_io_stats(uid_entry, task, UID_STATE_DEAD_TASKS);
+
+exit:
+	rt_mutex_unlock(&uid_lock);
+	return NOTIFY_OK;
+}
+
+static struct notifier_block process_notifier_block = {
+	.notifier_call	= process_notifier,
+};
+
+static int __init proc_uid_sys_stats_init(void)
+{
+	hash_init(hash_table);
+
+	cpu_parent = proc_mkdir("uid_cputime", NULL);
+	if (!cpu_parent) {
+		pr_err("%s: failed to create uid_cputime proc entry\n",
+			__func__);
+		goto err;
+	}
+
+	proc_create_data("remove_uid_range", 0222, cpu_parent,
+		&uid_remove_fops, NULL);
+	proc_create_data("show_uid_stat", 0444, cpu_parent,
+		&uid_cputime_fops, NULL);
+
+	io_parent = proc_mkdir("uid_io", NULL);
+	if (!io_parent) {
+		pr_err("%s: failed to create uid_io proc entry\n",
+			__func__);
+		goto err;
+	}
+
+	proc_create_data("stats", 0444, io_parent,
+		&uid_io_fops, NULL);
+
+	proc_parent = proc_mkdir("uid_procstat", NULL);
+	if (!proc_parent) {
+		pr_err("%s: failed to create uid_procstat proc entry\n",
+			__func__);
+		goto err;
+	}
+
+	proc_create_data("set", 0222, proc_parent,
+		&uid_procstat_fops, NULL);
+
+	profile_event_register(PROFILE_TASK_EXIT, &process_notifier_block);
+
+	return 0;
+
+err:
+	remove_proc_subtree("uid_cputime", NULL);
+	remove_proc_subtree("uid_io", NULL);
+	remove_proc_subtree("uid_procstat", NULL);
+	return -ENOMEM;
+}
+
+early_initcall(proc_uid_sys_stats_init);
diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig
index c12fe13..ae8b69a 100644
--- a/drivers/mmc/core/Kconfig
+++ b/drivers/mmc/core/Kconfig
@@ -81,3 +81,11 @@
 	  This driver is only of interest to those developing or
 	  testing a host driver. Most people should say N here.
 
+config MMC_CRYPTO
+	bool "MMC Crypto Engine Support"
+	depends on BLK_INLINE_ENCRYPTION
+	help
+	  Enable Crypto Engine Support in MMC.
+	  Enabling this makes it possible for the kernel to use the crypto
+	  capabilities of the MMC device (if present) to perform crypto
+	  operations on data being transferred to/from the device.
diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile
index 95ffe00..6a907736 100644
--- a/drivers/mmc/core/Makefile
+++ b/drivers/mmc/core/Makefile
@@ -18,3 +18,4 @@
 mmc_block-objs			:= block.o queue.o
 obj-$(CONFIG_MMC_TEST)		+= mmc_test.o
 obj-$(CONFIG_SDIO_UART)		+= sdio_uart.o
+mmc_core-$(CONFIG_MMC_CRYPTO)	+= crypto.o
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 8d842ff..fb7ac31 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -47,10 +47,13 @@
 
 #include <linux/uaccess.h>
 
+#include <trace/hooks/mmc_core.h>
+
 #include "queue.h"
 #include "block.h"
 #include "core.h"
 #include "card.h"
+#include "crypto.h"
 #include "host.h"
 #include "bus.h"
 #include "mmc_ops.h"
@@ -966,6 +969,11 @@
 		struct mmc_blk_data *main_md =
 			dev_get_drvdata(&host->card->dev);
 		int part_err;
+		bool allow = true;
+
+		trace_android_vh_mmc_blk_reset(host, err, &allow);
+		if (!allow)
+			return -ENODEV;
 
 		main_md->part_curr = main_md->part_type;
 		part_err = mmc_blk_part_switch(host->card, md->part_type);
@@ -1276,6 +1284,8 @@
 
 	memset(brq, 0, sizeof(struct mmc_blk_request));
 
+	mmc_crypto_prepare_req(mqrq);
+
 	brq->mrq.data = &brq->data;
 	brq->mrq.tag = req->tag;
 
@@ -1811,6 +1821,7 @@
 	    err && mmc_blk_reset(md, card->host, type)) {
 		pr_err("%s: recovery failed!\n", req->rq_disk->disk_name);
 		mqrq->retries = MMC_NO_RETRIES;
+		trace_android_vh_mmc_blk_mq_rw_recovery(card);
 		return;
 	}
 
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index d5ca59b..4aa415dd 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -37,6 +37,7 @@
 
 #include "core.h"
 #include "card.h"
+#include "crypto.h"
 #include "bus.h"
 #include "host.h"
 #include "sdio_bus.h"
@@ -1000,6 +1001,8 @@
 		host->ops->hs400_enhanced_strobe(host, &host->ios);
 
 	mmc_set_ios(host);
+
+	mmc_crypto_set_initial_state(host);
 }
 
 /**
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index a6c814f..e7720d5 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -30,6 +30,8 @@
 	int (*hw_reset)(struct mmc_host *);
 	int (*sw_reset)(struct mmc_host *);
 	bool (*cache_enabled)(struct mmc_host *);
+
+	ANDROID_VENDOR_DATA_ARRAY(1, 2);
 };
 
 void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
diff --git a/drivers/mmc/core/crypto.c b/drivers/mmc/core/crypto.c
new file mode 100644
index 0000000..6755780
--- /dev/null
+++ b/drivers/mmc/core/crypto.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * MMC crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <linux/blk-crypto.h>
+#include <linux/mmc/host.h>
+
+#include "core.h"
+#include "crypto.h"
+#include "queue.h"
+
+void mmc_crypto_set_initial_state(struct mmc_host *host)
+{
+	/* Reset might clear all keys, so reprogram all the keys. */
+	if (host->caps2 & MMC_CAP2_CRYPTO)
+		blk_ksm_reprogram_all_keys(&host->ksm);
+}
+
+void mmc_crypto_setup_queue(struct request_queue *q, struct mmc_host *host)
+{
+	if (host->caps2 & MMC_CAP2_CRYPTO)
+		blk_ksm_register(&host->ksm, q);
+}
+EXPORT_SYMBOL_GPL(mmc_crypto_setup_queue);
+
+void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
+{
+	struct request *req = mmc_queue_req_to_req(mqrq);
+	struct mmc_request *mrq = &mqrq->brq.mrq;
+
+	if (!req->crypt_ctx)
+		return;
+
+	mrq->crypto_ctx = req->crypt_ctx;
+	if (req->crypt_keyslot)
+		mrq->crypto_key_slot = blk_ksm_get_slot_idx(req->crypt_keyslot);
+}
+EXPORT_SYMBOL_GPL(mmc_crypto_prepare_req);
diff --git a/drivers/mmc/core/crypto.h b/drivers/mmc/core/crypto.h
new file mode 100644
index 0000000..fbe9a52
--- /dev/null
+++ b/drivers/mmc/core/crypto.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * MMC crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef _MMC_CORE_CRYPTO_H
+#define _MMC_CORE_CRYPTO_H
+
+struct mmc_host;
+struct mmc_queue_req;
+struct request_queue;
+
+#ifdef CONFIG_MMC_CRYPTO
+
+void mmc_crypto_set_initial_state(struct mmc_host *host);
+
+void mmc_crypto_setup_queue(struct request_queue *q, struct mmc_host *host);
+
+void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq);
+
+#else /* CONFIG_MMC_CRYPTO */
+
+static inline void mmc_crypto_set_initial_state(struct mmc_host *host)
+{
+}
+
+static inline void mmc_crypto_setup_queue(struct request_queue *q,
+					  struct mmc_host *host)
+{
+}
+
+static inline void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
+{
+}
+
+#endif /* !CONFIG_MMC_CRYPTO */
+
+#endif /* _MMC_CORE_CRYPTO_H */
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index b949a44..63b6b1f 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -25,6 +25,7 @@
 #include <linux/mmc/slot-gpio.h>
 
 #include "core.h"
+#include "crypto.h"
 #include "host.h"
 #include "slot-gpio.h"
 #include "pwrseq.h"
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 002426e..33e7e65 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -19,6 +19,7 @@
 #include "block.h"
 #include "core.h"
 #include "card.h"
+#include "crypto.h"
 #include "host.h"
 
 #define MMC_DMA_MAP_MERGE_SEGMENTS	512
@@ -407,6 +408,8 @@
 	mutex_init(&mq->complete_lock);
 
 	init_waitqueue_head(&mq->wait);
+
+	mmc_crypto_setup_queue(mq->queue, host);
 }
 
 static inline bool mmc_merge_capable(struct mmc_host *host)
diff --git a/drivers/mmc/core/regulator.c b/drivers/mmc/core/regulator.c
index 4dcbc22..609201a 100644
--- a/drivers/mmc/core/regulator.c
+++ b/drivers/mmc/core/regulator.c
@@ -271,44 +271,3 @@
 	return 0;
 }
 EXPORT_SYMBOL_GPL(mmc_regulator_get_supply);
-
-/**
- * mmc_regulator_enable_vqmmc - enable VQMMC regulator for a host
- * @mmc: the host to regulate
- *
- * Returns 0 or errno. Enables the regulator for vqmmc.
- * Keeps track of the enable status for ensuring that calls to
- * regulator_enable/disable are balanced.
- */
-int mmc_regulator_enable_vqmmc(struct mmc_host *mmc)
-{
-	int ret = 0;
-
-	if (!IS_ERR(mmc->supply.vqmmc) && !mmc->vqmmc_enabled) {
-		ret = regulator_enable(mmc->supply.vqmmc);
-		if (ret < 0)
-			dev_err(mmc_dev(mmc), "enabling vqmmc regulator failed\n");
-		else
-			mmc->vqmmc_enabled = true;
-	}
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(mmc_regulator_enable_vqmmc);
-
-/**
- * mmc_regulator_disable_vqmmc - disable VQMMC regulator for a host
- * @mmc: the host to regulate
- *
- * Returns 0 or errno. Disables the regulator for vqmmc.
- * Keeps track of the enable status for ensuring that calls to
- * regulator_enable/disable are balanced.
- */
-void mmc_regulator_disable_vqmmc(struct mmc_host *mmc)
-{
-	if (!IS_ERR(mmc->supply.vqmmc) && mmc->vqmmc_enabled) {
-		regulator_disable(mmc->supply.vqmmc);
-		mmc->vqmmc_enabled = false;
-	}
-}
-EXPORT_SYMBOL_GPL(mmc_regulator_disable_vqmmc);
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 868b121..bb5a47b 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -18,6 +18,8 @@
 #include <linux/mmc/mmc.h>
 #include <linux/mmc/sd.h>
 
+#include <trace/hooks/mmc_core.h>
+
 #include "core.h"
 #include "card.h"
 #include "host.h"
@@ -462,6 +464,8 @@
 		    SD_MODE_UHS_SDR12)) {
 			card->sd_bus_speed = UHS_SDR12_BUS_SPEED;
 	}
+
+	trace_android_vh_sd_update_bus_speed_mode(card);
 }
 
 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status)
@@ -1396,5 +1400,7 @@
 	pr_err("%s: error %d whilst initialising SD card\n",
 		mmc_hostname(host), err);
 
+	trace_android_vh_mmc_attach_sd(host, ocr, err);
+
 	return err;
 }
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 05e9074..298877a 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -14,6 +14,8 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 
+#include <trace/hooks/mmc_core.h>
+
 #include "slot-gpio.h"
 
 struct mmc_gpio {
@@ -30,6 +32,11 @@
 	/* Schedule a card detection after a debounce timeout */
 	struct mmc_host *host = dev_id;
 	struct mmc_gpio *ctx = host->slot.handler_priv;
+	bool allow = true;
+
+	trace_android_vh_mmc_gpio_cd_irqt(host, &allow);
+	if (!allow)
+		return IRQ_HANDLED;
 
 	host->trigger_card_event = true;
 	mmc_detect_change(host, msecs_to_jiffies(ctx->cd_debounce_delay_ms));
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 8fe4a0f..0b35aa7 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -545,6 +545,7 @@
 	depends on MMC_SDHCI_PLTFM
 	select MMC_SDHCI_IO_ACCESSORS
 	select MMC_CQHCI
+	select QCOM_SCM if MMC_CRYPTO && ARCH_QCOM
 	help
 	  This selects the Secure Digital Host Controller Interface (SDHCI)
 	  support present in Qualcomm SOCs. The controller supports
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 451c25f..3515850 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -104,6 +104,8 @@
 obj-$(CONFIG_MMC_SDHCI_OMAP)		+= sdhci-omap.o
 obj-$(CONFIG_MMC_SDHCI_SPRD)		+= sdhci-sprd.o
 obj-$(CONFIG_MMC_CQHCI)			+= cqhci.o
+cqhci-y					+= cqhci-core.o
+cqhci-$(CONFIG_MMC_CRYPTO)		+= cqhci-crypto.o
 obj-$(CONFIG_MMC_HSQ)			+= mmc_hsq.o
 
 ifeq ($(CONFIG_CB710_DEBUG),y)
diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c
new file mode 100644
index 0000000..6cd1bed
--- /dev/null
+++ b/drivers/mmc/host/cqhci-core.c
@@ -0,0 +1,1215 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/highmem.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <linux/scatterlist.h>
+#include <linux/platform_device.h>
+#include <linux/ktime.h>
+
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/card.h>
+
+#include "cqhci.h"
+#include "cqhci-crypto.h"
+
+#define DCMD_SLOT 31
+#define NUM_SLOTS 32
+
+struct cqhci_slot {
+	struct mmc_request *mrq;
+	unsigned int flags;
+#define CQHCI_EXTERNAL_TIMEOUT	BIT(0)
+#define CQHCI_COMPLETED		BIT(1)
+#define CQHCI_HOST_CRC		BIT(2)
+#define CQHCI_HOST_TIMEOUT	BIT(3)
+#define CQHCI_HOST_OTHER	BIT(4)
+};
+
+static inline u8 *get_desc(struct cqhci_host *cq_host, u8 tag)
+{
+	return cq_host->desc_base + (tag * cq_host->slot_sz);
+}
+
+static inline u8 *get_link_desc(struct cqhci_host *cq_host, u8 tag)
+{
+	u8 *desc = get_desc(cq_host, tag);
+
+	return desc + cq_host->task_desc_len;
+}
+
+static inline dma_addr_t get_trans_desc_dma(struct cqhci_host *cq_host, u8 tag)
+{
+	return cq_host->trans_desc_dma_base +
+		(cq_host->mmc->max_segs * tag *
+		 cq_host->trans_desc_len);
+}
+
+static inline u8 *get_trans_desc(struct cqhci_host *cq_host, u8 tag)
+{
+	return cq_host->trans_desc_base +
+		(cq_host->trans_desc_len * cq_host->mmc->max_segs * tag);
+}
+
+static void setup_trans_desc(struct cqhci_host *cq_host, u8 tag)
+{
+	u8 *link_temp;
+	dma_addr_t trans_temp;
+
+	link_temp = get_link_desc(cq_host, tag);
+	trans_temp = get_trans_desc_dma(cq_host, tag);
+
+	memset(link_temp, 0, cq_host->link_desc_len);
+	if (cq_host->link_desc_len > 8)
+		*(link_temp + 8) = 0;
+
+	if (tag == DCMD_SLOT && (cq_host->mmc->caps2 & MMC_CAP2_CQE_DCMD)) {
+		*link_temp = CQHCI_VALID(0) | CQHCI_ACT(0) | CQHCI_END(1);
+		return;
+	}
+
+	*link_temp = CQHCI_VALID(1) | CQHCI_ACT(0x6) | CQHCI_END(0);
+
+	if (cq_host->dma64) {
+		__le64 *data_addr = (__le64 __force *)(link_temp + 4);
+
+		data_addr[0] = cpu_to_le64(trans_temp);
+	} else {
+		__le32 *data_addr = (__le32 __force *)(link_temp + 4);
+
+		data_addr[0] = cpu_to_le32(trans_temp);
+	}
+}
+
+static void cqhci_set_irqs(struct cqhci_host *cq_host, u32 set)
+{
+	cqhci_writel(cq_host, set, CQHCI_ISTE);
+	cqhci_writel(cq_host, set, CQHCI_ISGE);
+}
+
+#define DRV_NAME "cqhci"
+
+#define CQHCI_DUMP(f, x...) \
+	pr_err("%s: " DRV_NAME ": " f, mmc_hostname(mmc), ## x)
+
+static void cqhci_dumpregs(struct cqhci_host *cq_host)
+{
+	struct mmc_host *mmc = cq_host->mmc;
+
+	CQHCI_DUMP("============ CQHCI REGISTER DUMP ===========\n");
+
+	CQHCI_DUMP("Caps:      0x%08x | Version:  0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_CAP),
+		   cqhci_readl(cq_host, CQHCI_VER));
+	CQHCI_DUMP("Config:    0x%08x | Control:  0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_CFG),
+		   cqhci_readl(cq_host, CQHCI_CTL));
+	CQHCI_DUMP("Int stat:  0x%08x | Int enab: 0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_IS),
+		   cqhci_readl(cq_host, CQHCI_ISTE));
+	CQHCI_DUMP("Int sig:   0x%08x | Int Coal: 0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_ISGE),
+		   cqhci_readl(cq_host, CQHCI_IC));
+	CQHCI_DUMP("TDL base:  0x%08x | TDL up32: 0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_TDLBA),
+		   cqhci_readl(cq_host, CQHCI_TDLBAU));
+	CQHCI_DUMP("Doorbell:  0x%08x | TCN:      0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_TDBR),
+		   cqhci_readl(cq_host, CQHCI_TCN));
+	CQHCI_DUMP("Dev queue: 0x%08x | Dev Pend: 0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_DQS),
+		   cqhci_readl(cq_host, CQHCI_DPT));
+	CQHCI_DUMP("Task clr:  0x%08x | SSC1:     0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_TCLR),
+		   cqhci_readl(cq_host, CQHCI_SSC1));
+	CQHCI_DUMP("SSC2:      0x%08x | DCMD rsp: 0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_SSC2),
+		   cqhci_readl(cq_host, CQHCI_CRDCT));
+	CQHCI_DUMP("RED mask:  0x%08x | TERRI:    0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_RMEM),
+		   cqhci_readl(cq_host, CQHCI_TERRI));
+	CQHCI_DUMP("Resp idx:  0x%08x | Resp arg: 0x%08x\n",
+		   cqhci_readl(cq_host, CQHCI_CRI),
+		   cqhci_readl(cq_host, CQHCI_CRA));
+
+	if (cq_host->ops->dumpregs)
+		cq_host->ops->dumpregs(mmc);
+	else
+		CQHCI_DUMP(": ===========================================\n");
+}
+
+/*
+ * The allocated descriptor table for task, link & transfer descritors
+ * looks like:
+ * |----------|
+ * |task desc |  |->|----------|
+ * |----------|  |  |trans desc|
+ * |link desc-|->|  |----------|
+ * |----------|          .
+ *      .                .
+ *  no. of slots      max-segs
+ *      .           |----------|
+ * |----------|
+ * The idea here is to create the [task+trans] table and mark & point the
+ * link desc to the transfer desc table on a per slot basis.
+ */
+static int cqhci_host_alloc_tdl(struct cqhci_host *cq_host)
+{
+	int i = 0;
+
+	/* task descriptor can be 64/128 bit irrespective of arch */
+	if (cq_host->caps & CQHCI_TASK_DESC_SZ_128) {
+		cqhci_writel(cq_host, cqhci_readl(cq_host, CQHCI_CFG) |
+			       CQHCI_TASK_DESC_SZ, CQHCI_CFG);
+		cq_host->task_desc_len = 16;
+	} else {
+		cq_host->task_desc_len = 8;
+	}
+
+	/*
+	 * 96 bits length of transfer desc instead of 128 bits which means
+	 * ADMA would expect next valid descriptor at the 96th bit
+	 * or 128th bit
+	 */
+	if (cq_host->dma64) {
+		if (cq_host->quirks & CQHCI_QUIRK_SHORT_TXFR_DESC_SZ)
+			cq_host->trans_desc_len = 12;
+		else
+			cq_host->trans_desc_len = 16;
+		cq_host->link_desc_len = 16;
+	} else {
+		cq_host->trans_desc_len = 8;
+		cq_host->link_desc_len = 8;
+	}
+
+	/* total size of a slot: 1 task & 1 transfer (link) */
+	cq_host->slot_sz = cq_host->task_desc_len + cq_host->link_desc_len;
+
+	cq_host->desc_size = cq_host->slot_sz * cq_host->num_slots;
+
+	cq_host->data_size = cq_host->trans_desc_len * cq_host->mmc->max_segs *
+		cq_host->mmc->cqe_qdepth;
+
+	pr_debug("%s: cqhci: desc_size: %zu data_sz: %zu slot-sz: %d\n",
+		 mmc_hostname(cq_host->mmc), cq_host->desc_size, cq_host->data_size,
+		 cq_host->slot_sz);
+
+	/*
+	 * allocate a dma-mapped chunk of memory for the descriptors
+	 * allocate a dma-mapped chunk of memory for link descriptors
+	 * setup each link-desc memory offset per slot-number to
+	 * the descriptor table.
+	 */
+	cq_host->desc_base = dmam_alloc_coherent(mmc_dev(cq_host->mmc),
+						 cq_host->desc_size,
+						 &cq_host->desc_dma_base,
+						 GFP_KERNEL);
+	if (!cq_host->desc_base)
+		return -ENOMEM;
+
+	cq_host->trans_desc_base = dmam_alloc_coherent(mmc_dev(cq_host->mmc),
+					      cq_host->data_size,
+					      &cq_host->trans_desc_dma_base,
+					      GFP_KERNEL);
+	if (!cq_host->trans_desc_base) {
+		dmam_free_coherent(mmc_dev(cq_host->mmc), cq_host->desc_size,
+				   cq_host->desc_base,
+				   cq_host->desc_dma_base);
+		cq_host->desc_base = NULL;
+		cq_host->desc_dma_base = 0;
+		return -ENOMEM;
+	}
+
+	pr_debug("%s: cqhci: desc-base: 0x%p trans-base: 0x%p\n desc_dma 0x%llx trans_dma: 0x%llx\n",
+		 mmc_hostname(cq_host->mmc), cq_host->desc_base, cq_host->trans_desc_base,
+		(unsigned long long)cq_host->desc_dma_base,
+		(unsigned long long)cq_host->trans_desc_dma_base);
+
+	for (; i < (cq_host->num_slots); i++)
+		setup_trans_desc(cq_host, i);
+
+	return 0;
+}
+
+static void __cqhci_enable(struct cqhci_host *cq_host)
+{
+	struct mmc_host *mmc = cq_host->mmc;
+	u32 cqcfg;
+
+	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
+
+	/* Configuration must not be changed while enabled */
+	if (cqcfg & CQHCI_ENABLE) {
+		cqcfg &= ~CQHCI_ENABLE;
+		cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+	}
+
+	cqcfg &= ~(CQHCI_DCMD | CQHCI_TASK_DESC_SZ);
+
+	if (mmc->caps2 & MMC_CAP2_CQE_DCMD)
+		cqcfg |= CQHCI_DCMD;
+
+	if (cq_host->caps & CQHCI_TASK_DESC_SZ_128)
+		cqcfg |= CQHCI_TASK_DESC_SZ;
+
+	if (mmc->caps2 & MMC_CAP2_CRYPTO)
+		cqcfg |= CQHCI_CRYPTO_GENERAL_ENABLE;
+
+	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+
+	cqhci_writel(cq_host, lower_32_bits(cq_host->desc_dma_base),
+		     CQHCI_TDLBA);
+	cqhci_writel(cq_host, upper_32_bits(cq_host->desc_dma_base),
+		     CQHCI_TDLBAU);
+
+	cqhci_writel(cq_host, cq_host->rca, CQHCI_SSC2);
+
+	cqhci_set_irqs(cq_host, 0);
+
+	cqcfg |= CQHCI_ENABLE;
+
+	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+
+	if (cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT)
+		cqhci_writel(cq_host, 0, CQHCI_CTL);
+
+	mmc->cqe_on = true;
+
+	if (cq_host->ops->enable)
+		cq_host->ops->enable(mmc);
+
+	/* Ensure all writes are done before interrupts are enabled */
+	wmb();
+
+	cqhci_set_irqs(cq_host, CQHCI_IS_MASK);
+
+	cq_host->activated = true;
+}
+
+static void __cqhci_disable(struct cqhci_host *cq_host)
+{
+	u32 cqcfg;
+
+	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
+	cqcfg &= ~CQHCI_ENABLE;
+	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+
+	cq_host->mmc->cqe_on = false;
+
+	cq_host->activated = false;
+}
+
+int cqhci_deactivate(struct mmc_host *mmc)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+
+	if (cq_host->enabled && cq_host->activated)
+		__cqhci_disable(cq_host);
+
+	return 0;
+}
+EXPORT_SYMBOL(cqhci_deactivate);
+
+int cqhci_resume(struct mmc_host *mmc)
+{
+	/* Re-enable is done upon first request */
+	return 0;
+}
+EXPORT_SYMBOL(cqhci_resume);
+
+static int cqhci_enable(struct mmc_host *mmc, struct mmc_card *card)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	int err;
+
+	if (!card->ext_csd.cmdq_en)
+		return -EINVAL;
+
+	if (cq_host->enabled)
+		return 0;
+
+	cq_host->rca = card->rca;
+
+	err = cqhci_host_alloc_tdl(cq_host);
+	if (err) {
+		pr_err("%s: Failed to enable CQE, error %d\n",
+		       mmc_hostname(mmc), err);
+		return err;
+	}
+
+	__cqhci_enable(cq_host);
+
+	cq_host->enabled = true;
+
+#ifdef DEBUG
+	cqhci_dumpregs(cq_host);
+#endif
+	return 0;
+}
+
+/* CQHCI is idle and should halt immediately, so set a small timeout */
+#define CQHCI_OFF_TIMEOUT 100
+
+static u32 cqhci_read_ctl(struct cqhci_host *cq_host)
+{
+	return cqhci_readl(cq_host, CQHCI_CTL);
+}
+
+static void cqhci_off(struct mmc_host *mmc)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	u32 reg;
+	int err;
+
+	if (!cq_host->enabled || !mmc->cqe_on || cq_host->recovery_halt)
+		return;
+
+	if (cq_host->ops->disable)
+		cq_host->ops->disable(mmc, false);
+
+	cqhci_writel(cq_host, CQHCI_HALT, CQHCI_CTL);
+
+	err = readx_poll_timeout(cqhci_read_ctl, cq_host, reg,
+				 reg & CQHCI_HALT, 0, CQHCI_OFF_TIMEOUT);
+	if (err < 0)
+		pr_err("%s: cqhci: CQE stuck on\n", mmc_hostname(mmc));
+	else
+		pr_debug("%s: cqhci: CQE off\n", mmc_hostname(mmc));
+
+	if (cq_host->ops->post_disable)
+		cq_host->ops->post_disable(mmc);
+
+	mmc->cqe_on = false;
+}
+
+static void cqhci_disable(struct mmc_host *mmc)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+
+	if (!cq_host->enabled)
+		return;
+
+	cqhci_off(mmc);
+
+	__cqhci_disable(cq_host);
+
+	dmam_free_coherent(mmc_dev(mmc), cq_host->data_size,
+			   cq_host->trans_desc_base,
+			   cq_host->trans_desc_dma_base);
+
+	dmam_free_coherent(mmc_dev(mmc), cq_host->desc_size,
+			   cq_host->desc_base,
+			   cq_host->desc_dma_base);
+
+	cq_host->trans_desc_base = NULL;
+	cq_host->desc_base = NULL;
+
+	cq_host->enabled = false;
+}
+
+static void cqhci_prep_task_desc(struct mmc_request *mrq,
+				 struct cqhci_host *cq_host, int tag)
+{
+	__le64 *task_desc = (__le64 __force *)get_desc(cq_host, tag);
+	u32 req_flags = mrq->data->flags;
+	u64 desc0;
+
+	desc0 = CQHCI_VALID(1) |
+		CQHCI_END(1) |
+		CQHCI_INT(1) |
+		CQHCI_ACT(0x5) |
+		CQHCI_FORCED_PROG(!!(req_flags & MMC_DATA_FORCED_PRG)) |
+		CQHCI_DATA_TAG(!!(req_flags & MMC_DATA_DAT_TAG)) |
+		CQHCI_DATA_DIR(!!(req_flags & MMC_DATA_READ)) |
+		CQHCI_PRIORITY(!!(req_flags & MMC_DATA_PRIO)) |
+		CQHCI_QBAR(!!(req_flags & MMC_DATA_QBR)) |
+		CQHCI_REL_WRITE(!!(req_flags & MMC_DATA_REL_WR)) |
+		CQHCI_BLK_COUNT(mrq->data->blocks) |
+		CQHCI_BLK_ADDR((u64)mrq->data->blk_addr);
+
+	task_desc[0] = cpu_to_le64(desc0);
+
+	if (cq_host->caps & CQHCI_TASK_DESC_SZ_128) {
+		u64 desc1 = cqhci_crypto_prep_task_desc(mrq);
+
+		task_desc[1] = cpu_to_le64(desc1);
+
+		pr_debug("%s: cqhci: tag %d task descriptor 0x%016llx%016llx\n",
+			 mmc_hostname(mrq->host), mrq->tag, desc1, desc0);
+	} else {
+		pr_debug("%s: cqhci: tag %d task descriptor 0x%016llx\n",
+			 mmc_hostname(mrq->host), mrq->tag, desc0);
+	}
+}
+
+static int cqhci_dma_map(struct mmc_host *host, struct mmc_request *mrq)
+{
+	int sg_count;
+	struct mmc_data *data = mrq->data;
+
+	if (!data)
+		return -EINVAL;
+
+	sg_count = dma_map_sg(mmc_dev(host), data->sg,
+			      data->sg_len,
+			      (data->flags & MMC_DATA_WRITE) ?
+			      DMA_TO_DEVICE : DMA_FROM_DEVICE);
+	if (!sg_count) {
+		pr_err("%s: sg-len: %d\n", __func__, data->sg_len);
+		return -ENOMEM;
+	}
+
+	return sg_count;
+}
+
+static void cqhci_set_tran_desc(u8 *desc, dma_addr_t addr, int len, bool end,
+				bool dma64)
+{
+	__le32 *attr = (__le32 __force *)desc;
+
+	*attr = (CQHCI_VALID(1) |
+		 CQHCI_END(end ? 1 : 0) |
+		 CQHCI_INT(0) |
+		 CQHCI_ACT(0x4) |
+		 CQHCI_DAT_LENGTH(len));
+
+	if (dma64) {
+		__le64 *dataddr = (__le64 __force *)(desc + 4);
+
+		dataddr[0] = cpu_to_le64(addr);
+	} else {
+		__le32 *dataddr = (__le32 __force *)(desc + 4);
+
+		dataddr[0] = cpu_to_le32(addr);
+	}
+}
+
+static int cqhci_prep_tran_desc(struct mmc_request *mrq,
+			       struct cqhci_host *cq_host, int tag)
+{
+	struct mmc_data *data = mrq->data;
+	int i, sg_count, len;
+	bool end = false;
+	bool dma64 = cq_host->dma64;
+	dma_addr_t addr;
+	u8 *desc;
+	struct scatterlist *sg;
+
+	sg_count = cqhci_dma_map(mrq->host, mrq);
+	if (sg_count < 0) {
+		pr_err("%s: %s: unable to map sg lists, %d\n",
+				mmc_hostname(mrq->host), __func__, sg_count);
+		return sg_count;
+	}
+
+	desc = get_trans_desc(cq_host, tag);
+
+	for_each_sg(data->sg, sg, sg_count, i) {
+		addr = sg_dma_address(sg);
+		len = sg_dma_len(sg);
+
+		if ((i+1) == sg_count)
+			end = true;
+		cqhci_set_tran_desc(desc, addr, len, end, dma64);
+		desc += cq_host->trans_desc_len;
+	}
+
+	return 0;
+}
+
+static void cqhci_prep_dcmd_desc(struct mmc_host *mmc,
+				   struct mmc_request *mrq)
+{
+	u64 *task_desc = NULL;
+	u64 data = 0;
+	u8 resp_type;
+	u8 *desc;
+	__le64 *dataddr;
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	u8 timing;
+
+	if (!(mrq->cmd->flags & MMC_RSP_PRESENT)) {
+		resp_type = 0x0;
+		timing = 0x1;
+	} else {
+		if (mrq->cmd->flags & MMC_RSP_R1B) {
+			resp_type = 0x3;
+			timing = 0x0;
+		} else {
+			resp_type = 0x2;
+			timing = 0x1;
+		}
+	}
+
+	task_desc = (__le64 __force *)get_desc(cq_host, cq_host->dcmd_slot);
+	memset(task_desc, 0, cq_host->task_desc_len);
+	data |= (CQHCI_VALID(1) |
+		 CQHCI_END(1) |
+		 CQHCI_INT(1) |
+		 CQHCI_QBAR(1) |
+		 CQHCI_ACT(0x5) |
+		 CQHCI_CMD_INDEX(mrq->cmd->opcode) |
+		 CQHCI_CMD_TIMING(timing) | CQHCI_RESP_TYPE(resp_type));
+	if (cq_host->ops->update_dcmd_desc)
+		cq_host->ops->update_dcmd_desc(mmc, mrq, &data);
+	*task_desc |= data;
+	desc = (u8 *)task_desc;
+	pr_debug("%s: cqhci: dcmd: cmd: %d timing: %d resp: %d\n",
+		 mmc_hostname(mmc), mrq->cmd->opcode, timing, resp_type);
+	dataddr = (__le64 __force *)(desc + 4);
+	dataddr[0] = cpu_to_le64((u64)mrq->cmd->arg);
+
+}
+
+static void cqhci_post_req(struct mmc_host *host, struct mmc_request *mrq)
+{
+	struct mmc_data *data = mrq->data;
+
+	if (data) {
+		dma_unmap_sg(mmc_dev(host), data->sg, data->sg_len,
+			     (data->flags & MMC_DATA_READ) ?
+			     DMA_FROM_DEVICE : DMA_TO_DEVICE);
+	}
+}
+
+static inline int cqhci_tag(struct mmc_request *mrq)
+{
+	return mrq->cmd ? DCMD_SLOT : mrq->tag;
+}
+
+static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+	int err = 0;
+	int tag = cqhci_tag(mrq);
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	unsigned long flags;
+
+	if (!cq_host->enabled) {
+		pr_err("%s: cqhci: not enabled\n", mmc_hostname(mmc));
+		return -EINVAL;
+	}
+
+	/* First request after resume has to re-enable */
+	if (!cq_host->activated)
+		__cqhci_enable(cq_host);
+
+	if (!mmc->cqe_on) {
+		if (cq_host->ops->pre_enable)
+			cq_host->ops->pre_enable(mmc);
+
+		cqhci_writel(cq_host, 0, CQHCI_CTL);
+		mmc->cqe_on = true;
+		pr_debug("%s: cqhci: CQE on\n", mmc_hostname(mmc));
+		if (cqhci_readl(cq_host, CQHCI_CTL) && CQHCI_HALT) {
+			pr_err("%s: cqhci: CQE failed to exit halt state\n",
+			       mmc_hostname(mmc));
+		}
+		if (cq_host->ops->enable)
+			cq_host->ops->enable(mmc);
+	}
+
+	if (mrq->data) {
+		cqhci_prep_task_desc(mrq, cq_host, tag);
+
+		err = cqhci_prep_tran_desc(mrq, cq_host, tag);
+		if (err) {
+			pr_err("%s: cqhci: failed to setup tx desc: %d\n",
+			       mmc_hostname(mmc), err);
+			return err;
+		}
+	} else {
+		cqhci_prep_dcmd_desc(mmc, mrq);
+	}
+
+	spin_lock_irqsave(&cq_host->lock, flags);
+
+	if (cq_host->recovery_halt) {
+		err = -EBUSY;
+		goto out_unlock;
+	}
+
+	cq_host->slot[tag].mrq = mrq;
+	cq_host->slot[tag].flags = 0;
+
+	cq_host->qcnt += 1;
+	/* Make sure descriptors are ready before ringing the doorbell */
+	wmb();
+	cqhci_writel(cq_host, 1 << tag, CQHCI_TDBR);
+	if (!(cqhci_readl(cq_host, CQHCI_TDBR) & (1 << tag)))
+		pr_debug("%s: cqhci: doorbell not set for tag %d\n",
+			 mmc_hostname(mmc), tag);
+out_unlock:
+	spin_unlock_irqrestore(&cq_host->lock, flags);
+
+	if (err)
+		cqhci_post_req(mmc, mrq);
+
+	return err;
+}
+
+static void cqhci_recovery_needed(struct mmc_host *mmc, struct mmc_request *mrq,
+				  bool notify)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+
+	if (!cq_host->recovery_halt) {
+		cq_host->recovery_halt = true;
+		pr_debug("%s: cqhci: recovery needed\n", mmc_hostname(mmc));
+		wake_up(&cq_host->wait_queue);
+		if (notify && mrq->recovery_notifier)
+			mrq->recovery_notifier(mrq);
+	}
+}
+
+static unsigned int cqhci_error_flags(int error1, int error2)
+{
+	int error = error1 ? error1 : error2;
+
+	switch (error) {
+	case -EILSEQ:
+		return CQHCI_HOST_CRC;
+	case -ETIMEDOUT:
+		return CQHCI_HOST_TIMEOUT;
+	default:
+		return CQHCI_HOST_OTHER;
+	}
+}
+
+static void cqhci_error_irq(struct mmc_host *mmc, u32 status, int cmd_error,
+			    int data_error)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	struct cqhci_slot *slot;
+	u32 terri;
+	u32 tdpe;
+	int tag;
+
+	spin_lock(&cq_host->lock);
+
+	terri = cqhci_readl(cq_host, CQHCI_TERRI);
+
+	pr_debug("%s: cqhci: error IRQ status: 0x%08x cmd error %d data error %d TERRI: 0x%08x\n",
+		 mmc_hostname(mmc), status, cmd_error, data_error, terri);
+
+	/* Forget about errors when recovery has already been triggered */
+	if (cq_host->recovery_halt)
+		goto out_unlock;
+
+	if (!cq_host->qcnt) {
+		WARN_ONCE(1, "%s: cqhci: error when idle. IRQ status: 0x%08x cmd error %d data error %d TERRI: 0x%08x\n",
+			  mmc_hostname(mmc), status, cmd_error, data_error,
+			  terri);
+		goto out_unlock;
+	}
+
+	if (CQHCI_TERRI_C_VALID(terri)) {
+		tag = CQHCI_TERRI_C_TASK(terri);
+		slot = &cq_host->slot[tag];
+		if (slot->mrq) {
+			slot->flags = cqhci_error_flags(cmd_error, data_error);
+			cqhci_recovery_needed(mmc, slot->mrq, true);
+		}
+	}
+
+	if (CQHCI_TERRI_D_VALID(terri)) {
+		tag = CQHCI_TERRI_D_TASK(terri);
+		slot = &cq_host->slot[tag];
+		if (slot->mrq) {
+			slot->flags = cqhci_error_flags(data_error, cmd_error);
+			cqhci_recovery_needed(mmc, slot->mrq, true);
+		}
+	}
+
+	/*
+	 * Handle ICCE ("Invalid Crypto Configuration Error").  This should
+	 * never happen, since the block layer ensures that all crypto-enabled
+	 * I/O requests have a valid keyslot before they reach the driver.
+	 *
+	 * Note that GCE ("General Crypto Error") is different; it already got
+	 * handled above by checking TERRI.
+	 */
+	if (status & CQHCI_IS_ICCE) {
+		tdpe = cqhci_readl(cq_host, CQHCI_TDPE);
+		WARN_ONCE(1,
+			  "%s: cqhci: invalid crypto configuration error. IRQ status: 0x%08x TDPE: 0x%08x\n",
+			  mmc_hostname(mmc), status, tdpe);
+		while (tdpe != 0) {
+			tag = __ffs(tdpe);
+			tdpe &= ~(1 << tag);
+			slot = &cq_host->slot[tag];
+			if (!slot->mrq)
+				continue;
+			slot->flags = cqhci_error_flags(data_error, cmd_error);
+			cqhci_recovery_needed(mmc, slot->mrq, true);
+		}
+	}
+
+	if (!cq_host->recovery_halt) {
+		/*
+		 * The only way to guarantee forward progress is to mark at
+		 * least one task in error, so if none is indicated, pick one.
+		 */
+		for (tag = 0; tag < NUM_SLOTS; tag++) {
+			slot = &cq_host->slot[tag];
+			if (!slot->mrq)
+				continue;
+			slot->flags = cqhci_error_flags(data_error, cmd_error);
+			cqhci_recovery_needed(mmc, slot->mrq, true);
+			break;
+		}
+	}
+
+out_unlock:
+	spin_unlock(&cq_host->lock);
+}
+
+static void cqhci_finish_mrq(struct mmc_host *mmc, unsigned int tag)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	struct cqhci_slot *slot = &cq_host->slot[tag];
+	struct mmc_request *mrq = slot->mrq;
+	struct mmc_data *data;
+
+	if (!mrq) {
+		WARN_ONCE(1, "%s: cqhci: spurious TCN for tag %d\n",
+			  mmc_hostname(mmc), tag);
+		return;
+	}
+
+	/* No completions allowed during recovery */
+	if (cq_host->recovery_halt) {
+		slot->flags |= CQHCI_COMPLETED;
+		return;
+	}
+
+	slot->mrq = NULL;
+
+	cq_host->qcnt -= 1;
+
+	data = mrq->data;
+	if (data) {
+		if (data->error)
+			data->bytes_xfered = 0;
+		else
+			data->bytes_xfered = data->blksz * data->blocks;
+	}
+
+	mmc_cqe_request_done(mmc, mrq);
+}
+
+irqreturn_t cqhci_irq(struct mmc_host *mmc, u32 intmask, int cmd_error,
+		      int data_error)
+{
+	u32 status;
+	unsigned long tag = 0, comp_status;
+	struct cqhci_host *cq_host = mmc->cqe_private;
+
+	status = cqhci_readl(cq_host, CQHCI_IS);
+	cqhci_writel(cq_host, status, CQHCI_IS);
+
+	pr_debug("%s: cqhci: IRQ status: 0x%08x\n", mmc_hostname(mmc), status);
+
+	if ((status & (CQHCI_IS_RED | CQHCI_IS_GCE | CQHCI_IS_ICCE)) ||
+	    cmd_error || data_error)
+		cqhci_error_irq(mmc, status, cmd_error, data_error);
+
+	if (status & CQHCI_IS_TCC) {
+		/* read TCN and complete the request */
+		comp_status = cqhci_readl(cq_host, CQHCI_TCN);
+		cqhci_writel(cq_host, comp_status, CQHCI_TCN);
+		pr_debug("%s: cqhci: TCN: 0x%08lx\n",
+			 mmc_hostname(mmc), comp_status);
+
+		spin_lock(&cq_host->lock);
+
+		for_each_set_bit(tag, &comp_status, cq_host->num_slots) {
+			/* complete the corresponding mrq */
+			pr_debug("%s: cqhci: completing tag %lu\n",
+				 mmc_hostname(mmc), tag);
+			cqhci_finish_mrq(mmc, tag);
+		}
+
+		if (cq_host->waiting_for_idle && !cq_host->qcnt) {
+			cq_host->waiting_for_idle = false;
+			wake_up(&cq_host->wait_queue);
+		}
+
+		spin_unlock(&cq_host->lock);
+	}
+
+	if (status & CQHCI_IS_TCL)
+		wake_up(&cq_host->wait_queue);
+
+	if (status & CQHCI_IS_HAC)
+		wake_up(&cq_host->wait_queue);
+
+	return IRQ_HANDLED;
+}
+EXPORT_SYMBOL(cqhci_irq);
+
+static bool cqhci_is_idle(struct cqhci_host *cq_host, int *ret)
+{
+	unsigned long flags;
+	bool is_idle;
+
+	spin_lock_irqsave(&cq_host->lock, flags);
+	is_idle = !cq_host->qcnt || cq_host->recovery_halt;
+	*ret = cq_host->recovery_halt ? -EBUSY : 0;
+	cq_host->waiting_for_idle = !is_idle;
+	spin_unlock_irqrestore(&cq_host->lock, flags);
+
+	return is_idle;
+}
+
+static int cqhci_wait_for_idle(struct mmc_host *mmc)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	int ret;
+
+	wait_event(cq_host->wait_queue, cqhci_is_idle(cq_host, &ret));
+
+	return ret;
+}
+
+static bool cqhci_timeout(struct mmc_host *mmc, struct mmc_request *mrq,
+			  bool *recovery_needed)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	int tag = cqhci_tag(mrq);
+	struct cqhci_slot *slot = &cq_host->slot[tag];
+	unsigned long flags;
+	bool timed_out;
+
+	spin_lock_irqsave(&cq_host->lock, flags);
+	timed_out = slot->mrq == mrq;
+	if (timed_out) {
+		slot->flags |= CQHCI_EXTERNAL_TIMEOUT;
+		cqhci_recovery_needed(mmc, mrq, false);
+		*recovery_needed = cq_host->recovery_halt;
+	}
+	spin_unlock_irqrestore(&cq_host->lock, flags);
+
+	if (timed_out) {
+		pr_err("%s: cqhci: timeout for tag %d\n",
+		       mmc_hostname(mmc), tag);
+		cqhci_dumpregs(cq_host);
+	}
+
+	return timed_out;
+}
+
+static bool cqhci_tasks_cleared(struct cqhci_host *cq_host)
+{
+	return !(cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_CLEAR_ALL_TASKS);
+}
+
+static bool cqhci_clear_all_tasks(struct mmc_host *mmc, unsigned int timeout)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	bool ret;
+	u32 ctl;
+
+	cqhci_set_irqs(cq_host, CQHCI_IS_TCL);
+
+	ctl = cqhci_readl(cq_host, CQHCI_CTL);
+	ctl |= CQHCI_CLEAR_ALL_TASKS;
+	cqhci_writel(cq_host, ctl, CQHCI_CTL);
+
+	wait_event_timeout(cq_host->wait_queue, cqhci_tasks_cleared(cq_host),
+			   msecs_to_jiffies(timeout) + 1);
+
+	cqhci_set_irqs(cq_host, 0);
+
+	ret = cqhci_tasks_cleared(cq_host);
+
+	if (!ret)
+		pr_warn("%s: cqhci: Failed to clear tasks\n",
+			mmc_hostname(mmc));
+
+	return ret;
+}
+
+static bool cqhci_halted(struct cqhci_host *cq_host)
+{
+	return cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT;
+}
+
+static bool cqhci_halt(struct mmc_host *mmc, unsigned int timeout)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	bool ret;
+	u32 ctl;
+
+	if (cqhci_halted(cq_host))
+		return true;
+
+	cqhci_set_irqs(cq_host, CQHCI_IS_HAC);
+
+	ctl = cqhci_readl(cq_host, CQHCI_CTL);
+	ctl |= CQHCI_HALT;
+	cqhci_writel(cq_host, ctl, CQHCI_CTL);
+
+	wait_event_timeout(cq_host->wait_queue, cqhci_halted(cq_host),
+			   msecs_to_jiffies(timeout) + 1);
+
+	cqhci_set_irqs(cq_host, 0);
+
+	ret = cqhci_halted(cq_host);
+
+	if (!ret)
+		pr_warn("%s: cqhci: Failed to halt\n", mmc_hostname(mmc));
+
+	return ret;
+}
+
+/*
+ * After halting we expect to be able to use the command line. We interpret the
+ * failure to halt to mean the data lines might still be in use (and the upper
+ * layers will need to send a STOP command), however failing to halt complicates
+ * the recovery, so set a timeout that would reasonably allow I/O to complete.
+ */
+#define CQHCI_START_HALT_TIMEOUT	500
+
+static void cqhci_recovery_start(struct mmc_host *mmc)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+
+	pr_debug("%s: cqhci: %s\n", mmc_hostname(mmc), __func__);
+
+	WARN_ON(!cq_host->recovery_halt);
+
+	cqhci_halt(mmc, CQHCI_START_HALT_TIMEOUT);
+
+	if (cq_host->ops->disable)
+		cq_host->ops->disable(mmc, true);
+
+	mmc->cqe_on = false;
+}
+
+static int cqhci_error_from_flags(unsigned int flags)
+{
+	if (!flags)
+		return 0;
+
+	/* CRC errors might indicate re-tuning so prefer to report that */
+	if (flags & CQHCI_HOST_CRC)
+		return -EILSEQ;
+
+	if (flags & (CQHCI_EXTERNAL_TIMEOUT | CQHCI_HOST_TIMEOUT))
+		return -ETIMEDOUT;
+
+	return -EIO;
+}
+
+static void cqhci_recover_mrq(struct cqhci_host *cq_host, unsigned int tag)
+{
+	struct cqhci_slot *slot = &cq_host->slot[tag];
+	struct mmc_request *mrq = slot->mrq;
+	struct mmc_data *data;
+
+	if (!mrq)
+		return;
+
+	slot->mrq = NULL;
+
+	cq_host->qcnt -= 1;
+
+	data = mrq->data;
+	if (data) {
+		data->bytes_xfered = 0;
+		data->error = cqhci_error_from_flags(slot->flags);
+	} else {
+		mrq->cmd->error = cqhci_error_from_flags(slot->flags);
+	}
+
+	mmc_cqe_request_done(cq_host->mmc, mrq);
+}
+
+static void cqhci_recover_mrqs(struct cqhci_host *cq_host)
+{
+	int i;
+
+	for (i = 0; i < cq_host->num_slots; i++)
+		cqhci_recover_mrq(cq_host, i);
+}
+
+/*
+ * By now the command and data lines should be unused so there is no reason for
+ * CQHCI to take a long time to halt, but if it doesn't halt there could be
+ * problems clearing tasks, so be generous.
+ */
+#define CQHCI_FINISH_HALT_TIMEOUT	20
+
+/* CQHCI could be expected to clear it's internal state pretty quickly */
+#define CQHCI_CLEAR_TIMEOUT		20
+
+static void cqhci_recovery_finish(struct mmc_host *mmc)
+{
+	struct cqhci_host *cq_host = mmc->cqe_private;
+	unsigned long flags;
+	u32 cqcfg;
+	bool ok;
+
+	pr_debug("%s: cqhci: %s\n", mmc_hostname(mmc), __func__);
+
+	WARN_ON(!cq_host->recovery_halt);
+
+	ok = cqhci_halt(mmc, CQHCI_FINISH_HALT_TIMEOUT);
+
+	/*
+	 * The specification contradicts itself, by saying that tasks cannot be
+	 * cleared if CQHCI does not halt, but if CQHCI does not halt, it should
+	 * be disabled/re-enabled, but not to disable before clearing tasks.
+	 * Have a go anyway.
+	 */
+	if (!cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT))
+		ok = false;
+
+	/* Disable to make sure tasks really are cleared */
+	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
+	cqcfg &= ~CQHCI_ENABLE;
+	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+
+	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
+	cqcfg |= CQHCI_ENABLE;
+	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+
+	cqhci_halt(mmc, CQHCI_FINISH_HALT_TIMEOUT);
+
+	if (!ok)
+		cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT);
+
+	cqhci_recover_mrqs(cq_host);
+
+	WARN_ON(cq_host->qcnt);
+
+	spin_lock_irqsave(&cq_host->lock, flags);
+	cq_host->qcnt = 0;
+	cq_host->recovery_halt = false;
+	mmc->cqe_on = false;
+	spin_unlock_irqrestore(&cq_host->lock, flags);
+
+	/* Ensure all writes are done before interrupts are re-enabled */
+	wmb();
+
+	cqhci_writel(cq_host, CQHCI_IS_HAC | CQHCI_IS_TCL, CQHCI_IS);
+
+	cqhci_set_irqs(cq_host, CQHCI_IS_MASK);
+
+	pr_debug("%s: cqhci: recovery done\n", mmc_hostname(mmc));
+}
+
+static const struct mmc_cqe_ops cqhci_cqe_ops = {
+	.cqe_enable = cqhci_enable,
+	.cqe_disable = cqhci_disable,
+	.cqe_request = cqhci_request,
+	.cqe_post_req = cqhci_post_req,
+	.cqe_off = cqhci_off,
+	.cqe_wait_for_idle = cqhci_wait_for_idle,
+	.cqe_timeout = cqhci_timeout,
+	.cqe_recovery_start = cqhci_recovery_start,
+	.cqe_recovery_finish = cqhci_recovery_finish,
+};
+
+struct cqhci_host *cqhci_pltfm_init(struct platform_device *pdev)
+{
+	struct cqhci_host *cq_host;
+	struct resource *cqhci_memres = NULL;
+
+	/* check and setup CMDQ interface */
+	cqhci_memres = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+						   "cqhci");
+	if (!cqhci_memres) {
+		dev_dbg(&pdev->dev, "CMDQ not supported\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	cq_host = devm_kzalloc(&pdev->dev, sizeof(*cq_host), GFP_KERNEL);
+	if (!cq_host)
+		return ERR_PTR(-ENOMEM);
+	cq_host->mmio = devm_ioremap(&pdev->dev,
+				     cqhci_memres->start,
+				     resource_size(cqhci_memres));
+	if (!cq_host->mmio) {
+		dev_err(&pdev->dev, "failed to remap cqhci regs\n");
+		return ERR_PTR(-EBUSY);
+	}
+	dev_dbg(&pdev->dev, "CMDQ ioremap: done\n");
+
+	return cq_host;
+}
+EXPORT_SYMBOL(cqhci_pltfm_init);
+
+static unsigned int cqhci_ver_major(struct cqhci_host *cq_host)
+{
+	return CQHCI_VER_MAJOR(cqhci_readl(cq_host, CQHCI_VER));
+}
+
+static unsigned int cqhci_ver_minor(struct cqhci_host *cq_host)
+{
+	u32 ver = cqhci_readl(cq_host, CQHCI_VER);
+
+	return CQHCI_VER_MINOR1(ver) * 10 + CQHCI_VER_MINOR2(ver);
+}
+
+int cqhci_init(struct cqhci_host *cq_host, struct mmc_host *mmc,
+	      bool dma64)
+{
+	int err;
+
+	cq_host->dma64 = dma64;
+	cq_host->mmc = mmc;
+	cq_host->mmc->cqe_private = cq_host;
+
+	cq_host->num_slots = NUM_SLOTS;
+	cq_host->dcmd_slot = DCMD_SLOT;
+
+	mmc->cqe_ops = &cqhci_cqe_ops;
+
+	mmc->cqe_qdepth = NUM_SLOTS;
+	if (mmc->caps2 & MMC_CAP2_CQE_DCMD)
+		mmc->cqe_qdepth -= 1;
+
+	cq_host->slot = devm_kcalloc(mmc_dev(mmc), cq_host->num_slots,
+				     sizeof(*cq_host->slot), GFP_KERNEL);
+	if (!cq_host->slot) {
+		err = -ENOMEM;
+		goto out_err;
+	}
+
+	err = cqhci_crypto_init(cq_host);
+	if (err) {
+		pr_err("%s: CQHCI crypto initialization failed\n",
+		       mmc_hostname(mmc));
+		goto out_err;
+	}
+
+	spin_lock_init(&cq_host->lock);
+
+	init_completion(&cq_host->halt_comp);
+	init_waitqueue_head(&cq_host->wait_queue);
+
+	pr_info("%s: CQHCI version %u.%02u\n",
+		mmc_hostname(mmc), cqhci_ver_major(cq_host),
+		cqhci_ver_minor(cq_host));
+
+	return 0;
+
+out_err:
+	pr_err("%s: CQHCI version %u.%02u failed to initialize, error %d\n",
+	       mmc_hostname(mmc), cqhci_ver_major(cq_host),
+	       cqhci_ver_minor(cq_host), err);
+	return err;
+}
+EXPORT_SYMBOL(cqhci_init);
+
+MODULE_AUTHOR("Venkat Gopalakrishnan <venkatg@codeaurora.org>");
+MODULE_DESCRIPTION("Command Queue Host Controller Interface driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/host/cqhci-crypto.c b/drivers/mmc/host/cqhci-crypto.c
new file mode 100644
index 0000000..5698bc4
--- /dev/null
+++ b/drivers/mmc/host/cqhci-crypto.c
@@ -0,0 +1,244 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * CQHCI crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <linux/blk-crypto.h>
+#include <linux/keyslot-manager.h>
+#include <linux/mmc/host.h>
+
+#include "cqhci-crypto.h"
+
+/* Map from blk-crypto modes to CQHCI crypto algorithm IDs and key sizes */
+static const struct cqhci_crypto_alg_entry {
+	enum cqhci_crypto_alg alg;
+	enum cqhci_crypto_key_size key_size;
+} cqhci_crypto_algs[BLK_ENCRYPTION_MODE_MAX] = {
+	[BLK_ENCRYPTION_MODE_AES_256_XTS] = {
+		.alg = CQHCI_CRYPTO_ALG_AES_XTS,
+		.key_size = CQHCI_CRYPTO_KEY_SIZE_256,
+	},
+};
+
+static inline struct cqhci_host *
+cqhci_host_from_ksm(struct blk_keyslot_manager *ksm)
+{
+	struct mmc_host *mmc = container_of(ksm, struct mmc_host, ksm);
+
+	return mmc->cqe_private;
+}
+
+static int cqhci_crypto_program_key(struct cqhci_host *cq_host,
+				    const union cqhci_crypto_cfg_entry *cfg,
+				    int slot)
+{
+	u32 slot_offset = cq_host->crypto_cfg_register + slot * sizeof(*cfg);
+	int i;
+
+	if (cq_host->ops->program_key)
+		return cq_host->ops->program_key(cq_host, cfg, slot);
+
+	/* Clear CFGE */
+	cqhci_writel(cq_host, 0, slot_offset + 16 * sizeof(cfg->reg_val[0]));
+
+	/* Write the key */
+	for (i = 0; i < 16; i++) {
+		cqhci_writel(cq_host, le32_to_cpu(cfg->reg_val[i]),
+			     slot_offset + i * sizeof(cfg->reg_val[0]));
+	}
+	/* Write dword 17 */
+	cqhci_writel(cq_host, le32_to_cpu(cfg->reg_val[17]),
+		     slot_offset + 17 * sizeof(cfg->reg_val[0]));
+	/* Write dword 16, which includes the new value of CFGE */
+	cqhci_writel(cq_host, le32_to_cpu(cfg->reg_val[16]),
+		     slot_offset + 16 * sizeof(cfg->reg_val[0]));
+	return 0;
+}
+
+static int cqhci_crypto_keyslot_program(struct blk_keyslot_manager *ksm,
+					const struct blk_crypto_key *key,
+					unsigned int slot)
+
+{
+	struct cqhci_host *cq_host = cqhci_host_from_ksm(ksm);
+	const union cqhci_crypto_cap_entry *ccap_array =
+		cq_host->crypto_cap_array;
+	const struct cqhci_crypto_alg_entry *alg =
+			&cqhci_crypto_algs[key->crypto_cfg.crypto_mode];
+	u8 data_unit_mask = key->crypto_cfg.data_unit_size / 512;
+	int i;
+	int cap_idx = -1;
+	union cqhci_crypto_cfg_entry cfg = {};
+	int err;
+
+	BUILD_BUG_ON(CQHCI_CRYPTO_KEY_SIZE_INVALID != 0);
+	for (i = 0; i < cq_host->crypto_capabilities.num_crypto_cap; i++) {
+		if (ccap_array[i].algorithm_id == alg->alg &&
+		    ccap_array[i].key_size == alg->key_size &&
+		    (ccap_array[i].sdus_mask & data_unit_mask)) {
+			cap_idx = i;
+			break;
+		}
+	}
+	if (WARN_ON(cap_idx < 0))
+		return -EOPNOTSUPP;
+
+	cfg.data_unit_size = data_unit_mask;
+	cfg.crypto_cap_idx = cap_idx;
+	cfg.config_enable = CQHCI_CRYPTO_CONFIGURATION_ENABLE;
+
+	if (ccap_array[cap_idx].algorithm_id == CQHCI_CRYPTO_ALG_AES_XTS) {
+		/* In XTS mode, the blk_crypto_key's size is already doubled */
+		memcpy(cfg.crypto_key, key->raw, key->size/2);
+		memcpy(cfg.crypto_key + CQHCI_CRYPTO_KEY_MAX_SIZE/2,
+		       key->raw + key->size/2, key->size/2);
+	} else {
+		memcpy(cfg.crypto_key, key->raw, key->size);
+	}
+
+	err = cqhci_crypto_program_key(cq_host, &cfg, slot);
+
+	memzero_explicit(&cfg, sizeof(cfg));
+	return err;
+}
+
+static int cqhci_crypto_clear_keyslot(struct cqhci_host *cq_host, int slot)
+{
+	/*
+	 * Clear the crypto cfg on the device. Clearing CFGE
+	 * might not be sufficient, so just clear the entire cfg.
+	 */
+	union cqhci_crypto_cfg_entry cfg = {};
+
+	return cqhci_crypto_program_key(cq_host, &cfg, slot);
+}
+
+static int cqhci_crypto_keyslot_evict(struct blk_keyslot_manager *ksm,
+				      const struct blk_crypto_key *key,
+				      unsigned int slot)
+{
+	struct cqhci_host *cq_host = cqhci_host_from_ksm(ksm);
+
+	return cqhci_crypto_clear_keyslot(cq_host, slot);
+}
+
+/*
+ * The keyslot management operations for CQHCI crypto.
+ *
+ * Note that the block layer ensures that these are never called while the host
+ * controller is runtime-suspended.  However, the CQE won't necessarily be
+ * "enabled" when these are called, i.e. CQHCI_ENABLE might not be set in the
+ * CQHCI_CFG register.  But the hardware allows that.
+ */
+static const struct blk_ksm_ll_ops cqhci_ksm_ops = {
+	.keyslot_program	= cqhci_crypto_keyslot_program,
+	.keyslot_evict		= cqhci_crypto_keyslot_evict,
+};
+
+static enum blk_crypto_mode_num
+cqhci_find_blk_crypto_mode(union cqhci_crypto_cap_entry cap)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cqhci_crypto_algs); i++) {
+		BUILD_BUG_ON(CQHCI_CRYPTO_KEY_SIZE_INVALID != 0);
+		if (cqhci_crypto_algs[i].alg == cap.algorithm_id &&
+		    cqhci_crypto_algs[i].key_size == cap.key_size)
+			return i;
+	}
+	return BLK_ENCRYPTION_MODE_INVALID;
+}
+
+/**
+ * cqhci_crypto_init - initialize CQHCI crypto support
+ * @cq_host: a cqhci host
+ *
+ * If the driver previously set MMC_CAP2_CRYPTO and the CQE declares
+ * CQHCI_CAP_CS, initialize the crypto support.  This involves reading the
+ * crypto capability registers, initializing the keyslot manager, clearing all
+ * keyslots, and enabling 128-bit task descriptors.
+ *
+ * Return: 0 if crypto was initialized or isn't supported; whether
+ *	   MMC_CAP2_CRYPTO remains set indicates which one of those cases it is.
+ *	   Also can return a negative errno value on unexpected error.
+ */
+int cqhci_crypto_init(struct cqhci_host *cq_host)
+{
+	struct mmc_host *mmc = cq_host->mmc;
+	struct device *dev = mmc_dev(mmc);
+	struct blk_keyslot_manager *ksm = &mmc->ksm;
+	unsigned int num_keyslots;
+	unsigned int cap_idx;
+	enum blk_crypto_mode_num blk_mode_num;
+	unsigned int slot;
+	int err = 0;
+
+	if (!(mmc->caps2 & MMC_CAP2_CRYPTO) ||
+	    !(cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS))
+		goto out;
+
+	cq_host->crypto_capabilities.reg_val =
+			cpu_to_le32(cqhci_readl(cq_host, CQHCI_CCAP));
+
+	cq_host->crypto_cfg_register =
+		(u32)cq_host->crypto_capabilities.config_array_ptr * 0x100;
+
+	cq_host->crypto_cap_array =
+		devm_kcalloc(dev, cq_host->crypto_capabilities.num_crypto_cap,
+			     sizeof(cq_host->crypto_cap_array[0]), GFP_KERNEL);
+	if (!cq_host->crypto_cap_array) {
+		err = -ENOMEM;
+		goto out;
+	}
+
+	/*
+	 * CCAP.CFGC is off by one, so the actual number of crypto
+	 * configurations (a.k.a. keyslots) is CCAP.CFGC + 1.
+	 */
+	num_keyslots = cq_host->crypto_capabilities.config_count + 1;
+
+	err = devm_blk_ksm_init(dev, ksm, num_keyslots);
+	if (err)
+		goto out;
+
+	ksm->ksm_ll_ops = cqhci_ksm_ops;
+	ksm->dev = dev;
+
+	/* Unfortunately, CQHCI crypto only supports 32 DUN bits. */
+	ksm->max_dun_bytes_supported = 4;
+
+	ksm->features = BLK_CRYPTO_FEATURE_STANDARD_KEYS;
+
+	/*
+	 * Cache all the crypto capabilities and advertise the supported crypto
+	 * modes and data unit sizes to the block layer.
+	 */
+	for (cap_idx = 0; cap_idx < cq_host->crypto_capabilities.num_crypto_cap;
+	     cap_idx++) {
+		cq_host->crypto_cap_array[cap_idx].reg_val =
+			cpu_to_le32(cqhci_readl(cq_host,
+						CQHCI_CRYPTOCAP +
+						cap_idx * sizeof(__le32)));
+		blk_mode_num = cqhci_find_blk_crypto_mode(
+					cq_host->crypto_cap_array[cap_idx]);
+		if (blk_mode_num == BLK_ENCRYPTION_MODE_INVALID)
+			continue;
+		ksm->crypto_modes_supported[blk_mode_num] |=
+			cq_host->crypto_cap_array[cap_idx].sdus_mask * 512;
+	}
+
+	/* Clear all the keyslots so that we start in a known state. */
+	for (slot = 0; slot < num_keyslots; slot++)
+		cqhci_crypto_clear_keyslot(cq_host, slot);
+
+	/* CQHCI crypto requires the use of 128-bit task descriptors. */
+	cq_host->caps |= CQHCI_TASK_DESC_SZ_128;
+
+	return 0;
+
+out:
+	mmc->caps2 &= ~MMC_CAP2_CRYPTO;
+	return err;
+}
diff --git a/drivers/mmc/host/cqhci-crypto.h b/drivers/mmc/host/cqhci-crypto.h
new file mode 100644
index 0000000..d7fb084
--- /dev/null
+++ b/drivers/mmc/host/cqhci-crypto.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * CQHCI crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef LINUX_MMC_CQHCI_CRYPTO_H
+#define LINUX_MMC_CQHCI_CRYPTO_H
+
+#include <linux/mmc/host.h>
+
+#include "cqhci.h"
+
+#ifdef CONFIG_MMC_CRYPTO
+
+int cqhci_crypto_init(struct cqhci_host *host);
+
+/*
+ * Returns the crypto bits that should be set in bits 64-127 of the
+ * task descriptor.
+ */
+static inline u64 cqhci_crypto_prep_task_desc(struct mmc_request *mrq)
+{
+	if (!mrq->crypto_ctx)
+		return 0;
+
+	/* We set max_dun_bytes_supported=4, so all DUNs should be 32-bit. */
+	WARN_ON_ONCE(mrq->crypto_ctx->bc_dun[0] > U32_MAX);
+
+	return CQHCI_CRYPTO_ENABLE_BIT |
+	       CQHCI_CRYPTO_KEYSLOT(mrq->crypto_key_slot) |
+	       mrq->crypto_ctx->bc_dun[0];
+}
+
+#else /* CONFIG_MMC_CRYPTO */
+
+static inline int cqhci_crypto_init(struct cqhci_host *host)
+{
+	return 0;
+}
+
+static inline u64 cqhci_crypto_prep_task_desc(struct mmc_request *mrq)
+{
+	return 0;
+}
+
+#endif /* !CONFIG_MMC_CRYPTO */
+
+#endif /* LINUX_MMC_CQHCI_CRYPTO_H */
diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c
deleted file mode 100644
index 23cf7912..0000000
--- a/drivers/mmc/host/cqhci.c
+++ /dev/null
@@ -1,1168 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
- */
-
-#include <linux/delay.h>
-#include <linux/highmem.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-#include <linux/scatterlist.h>
-#include <linux/platform_device.h>
-#include <linux/ktime.h>
-
-#include <linux/mmc/mmc.h>
-#include <linux/mmc/host.h>
-#include <linux/mmc/card.h>
-
-#include "cqhci.h"
-
-#define DCMD_SLOT 31
-#define NUM_SLOTS 32
-
-struct cqhci_slot {
-	struct mmc_request *mrq;
-	unsigned int flags;
-#define CQHCI_EXTERNAL_TIMEOUT	BIT(0)
-#define CQHCI_COMPLETED		BIT(1)
-#define CQHCI_HOST_CRC		BIT(2)
-#define CQHCI_HOST_TIMEOUT	BIT(3)
-#define CQHCI_HOST_OTHER	BIT(4)
-};
-
-static inline u8 *get_desc(struct cqhci_host *cq_host, u8 tag)
-{
-	return cq_host->desc_base + (tag * cq_host->slot_sz);
-}
-
-static inline u8 *get_link_desc(struct cqhci_host *cq_host, u8 tag)
-{
-	u8 *desc = get_desc(cq_host, tag);
-
-	return desc + cq_host->task_desc_len;
-}
-
-static inline dma_addr_t get_trans_desc_dma(struct cqhci_host *cq_host, u8 tag)
-{
-	return cq_host->trans_desc_dma_base +
-		(cq_host->mmc->max_segs * tag *
-		 cq_host->trans_desc_len);
-}
-
-static inline u8 *get_trans_desc(struct cqhci_host *cq_host, u8 tag)
-{
-	return cq_host->trans_desc_base +
-		(cq_host->trans_desc_len * cq_host->mmc->max_segs * tag);
-}
-
-static void setup_trans_desc(struct cqhci_host *cq_host, u8 tag)
-{
-	u8 *link_temp;
-	dma_addr_t trans_temp;
-
-	link_temp = get_link_desc(cq_host, tag);
-	trans_temp = get_trans_desc_dma(cq_host, tag);
-
-	memset(link_temp, 0, cq_host->link_desc_len);
-	if (cq_host->link_desc_len > 8)
-		*(link_temp + 8) = 0;
-
-	if (tag == DCMD_SLOT && (cq_host->mmc->caps2 & MMC_CAP2_CQE_DCMD)) {
-		*link_temp = CQHCI_VALID(0) | CQHCI_ACT(0) | CQHCI_END(1);
-		return;
-	}
-
-	*link_temp = CQHCI_VALID(1) | CQHCI_ACT(0x6) | CQHCI_END(0);
-
-	if (cq_host->dma64) {
-		__le64 *data_addr = (__le64 __force *)(link_temp + 4);
-
-		data_addr[0] = cpu_to_le64(trans_temp);
-	} else {
-		__le32 *data_addr = (__le32 __force *)(link_temp + 4);
-
-		data_addr[0] = cpu_to_le32(trans_temp);
-	}
-}
-
-static void cqhci_set_irqs(struct cqhci_host *cq_host, u32 set)
-{
-	cqhci_writel(cq_host, set, CQHCI_ISTE);
-	cqhci_writel(cq_host, set, CQHCI_ISGE);
-}
-
-#define DRV_NAME "cqhci"
-
-#define CQHCI_DUMP(f, x...) \
-	pr_err("%s: " DRV_NAME ": " f, mmc_hostname(mmc), ## x)
-
-static void cqhci_dumpregs(struct cqhci_host *cq_host)
-{
-	struct mmc_host *mmc = cq_host->mmc;
-
-	CQHCI_DUMP("============ CQHCI REGISTER DUMP ===========\n");
-
-	CQHCI_DUMP("Caps:      0x%08x | Version:  0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_CAP),
-		   cqhci_readl(cq_host, CQHCI_VER));
-	CQHCI_DUMP("Config:    0x%08x | Control:  0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_CFG),
-		   cqhci_readl(cq_host, CQHCI_CTL));
-	CQHCI_DUMP("Int stat:  0x%08x | Int enab: 0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_IS),
-		   cqhci_readl(cq_host, CQHCI_ISTE));
-	CQHCI_DUMP("Int sig:   0x%08x | Int Coal: 0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_ISGE),
-		   cqhci_readl(cq_host, CQHCI_IC));
-	CQHCI_DUMP("TDL base:  0x%08x | TDL up32: 0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_TDLBA),
-		   cqhci_readl(cq_host, CQHCI_TDLBAU));
-	CQHCI_DUMP("Doorbell:  0x%08x | TCN:      0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_TDBR),
-		   cqhci_readl(cq_host, CQHCI_TCN));
-	CQHCI_DUMP("Dev queue: 0x%08x | Dev Pend: 0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_DQS),
-		   cqhci_readl(cq_host, CQHCI_DPT));
-	CQHCI_DUMP("Task clr:  0x%08x | SSC1:     0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_TCLR),
-		   cqhci_readl(cq_host, CQHCI_SSC1));
-	CQHCI_DUMP("SSC2:      0x%08x | DCMD rsp: 0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_SSC2),
-		   cqhci_readl(cq_host, CQHCI_CRDCT));
-	CQHCI_DUMP("RED mask:  0x%08x | TERRI:    0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_RMEM),
-		   cqhci_readl(cq_host, CQHCI_TERRI));
-	CQHCI_DUMP("Resp idx:  0x%08x | Resp arg: 0x%08x\n",
-		   cqhci_readl(cq_host, CQHCI_CRI),
-		   cqhci_readl(cq_host, CQHCI_CRA));
-
-	if (cq_host->ops->dumpregs)
-		cq_host->ops->dumpregs(mmc);
-	else
-		CQHCI_DUMP(": ===========================================\n");
-}
-
-/*
- * The allocated descriptor table for task, link & transfer descritors
- * looks like:
- * |----------|
- * |task desc |  |->|----------|
- * |----------|  |  |trans desc|
- * |link desc-|->|  |----------|
- * |----------|          .
- *      .                .
- *  no. of slots      max-segs
- *      .           |----------|
- * |----------|
- * The idea here is to create the [task+trans] table and mark & point the
- * link desc to the transfer desc table on a per slot basis.
- */
-static int cqhci_host_alloc_tdl(struct cqhci_host *cq_host)
-{
-	int i = 0;
-
-	/* task descriptor can be 64/128 bit irrespective of arch */
-	if (cq_host->caps & CQHCI_TASK_DESC_SZ_128) {
-		cqhci_writel(cq_host, cqhci_readl(cq_host, CQHCI_CFG) |
-			       CQHCI_TASK_DESC_SZ, CQHCI_CFG);
-		cq_host->task_desc_len = 16;
-	} else {
-		cq_host->task_desc_len = 8;
-	}
-
-	/*
-	 * 96 bits length of transfer desc instead of 128 bits which means
-	 * ADMA would expect next valid descriptor at the 96th bit
-	 * or 128th bit
-	 */
-	if (cq_host->dma64) {
-		if (cq_host->quirks & CQHCI_QUIRK_SHORT_TXFR_DESC_SZ)
-			cq_host->trans_desc_len = 12;
-		else
-			cq_host->trans_desc_len = 16;
-		cq_host->link_desc_len = 16;
-	} else {
-		cq_host->trans_desc_len = 8;
-		cq_host->link_desc_len = 8;
-	}
-
-	/* total size of a slot: 1 task & 1 transfer (link) */
-	cq_host->slot_sz = cq_host->task_desc_len + cq_host->link_desc_len;
-
-	cq_host->desc_size = cq_host->slot_sz * cq_host->num_slots;
-
-	cq_host->data_size = cq_host->trans_desc_len * cq_host->mmc->max_segs *
-		cq_host->mmc->cqe_qdepth;
-
-	pr_debug("%s: cqhci: desc_size: %zu data_sz: %zu slot-sz: %d\n",
-		 mmc_hostname(cq_host->mmc), cq_host->desc_size, cq_host->data_size,
-		 cq_host->slot_sz);
-
-	/*
-	 * allocate a dma-mapped chunk of memory for the descriptors
-	 * allocate a dma-mapped chunk of memory for link descriptors
-	 * setup each link-desc memory offset per slot-number to
-	 * the descriptor table.
-	 */
-	cq_host->desc_base = dmam_alloc_coherent(mmc_dev(cq_host->mmc),
-						 cq_host->desc_size,
-						 &cq_host->desc_dma_base,
-						 GFP_KERNEL);
-	if (!cq_host->desc_base)
-		return -ENOMEM;
-
-	cq_host->trans_desc_base = dmam_alloc_coherent(mmc_dev(cq_host->mmc),
-					      cq_host->data_size,
-					      &cq_host->trans_desc_dma_base,
-					      GFP_KERNEL);
-	if (!cq_host->trans_desc_base) {
-		dmam_free_coherent(mmc_dev(cq_host->mmc), cq_host->desc_size,
-				   cq_host->desc_base,
-				   cq_host->desc_dma_base);
-		cq_host->desc_base = NULL;
-		cq_host->desc_dma_base = 0;
-		return -ENOMEM;
-	}
-
-	pr_debug("%s: cqhci: desc-base: 0x%p trans-base: 0x%p\n desc_dma 0x%llx trans_dma: 0x%llx\n",
-		 mmc_hostname(cq_host->mmc), cq_host->desc_base, cq_host->trans_desc_base,
-		(unsigned long long)cq_host->desc_dma_base,
-		(unsigned long long)cq_host->trans_desc_dma_base);
-
-	for (; i < (cq_host->num_slots); i++)
-		setup_trans_desc(cq_host, i);
-
-	return 0;
-}
-
-static void __cqhci_enable(struct cqhci_host *cq_host)
-{
-	struct mmc_host *mmc = cq_host->mmc;
-	u32 cqcfg;
-
-	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
-
-	/* Configuration must not be changed while enabled */
-	if (cqcfg & CQHCI_ENABLE) {
-		cqcfg &= ~CQHCI_ENABLE;
-		cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
-	}
-
-	cqcfg &= ~(CQHCI_DCMD | CQHCI_TASK_DESC_SZ);
-
-	if (mmc->caps2 & MMC_CAP2_CQE_DCMD)
-		cqcfg |= CQHCI_DCMD;
-
-	if (cq_host->caps & CQHCI_TASK_DESC_SZ_128)
-		cqcfg |= CQHCI_TASK_DESC_SZ;
-
-	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
-
-	cqhci_writel(cq_host, lower_32_bits(cq_host->desc_dma_base),
-		     CQHCI_TDLBA);
-	cqhci_writel(cq_host, upper_32_bits(cq_host->desc_dma_base),
-		     CQHCI_TDLBAU);
-
-	cqhci_writel(cq_host, cq_host->rca, CQHCI_SSC2);
-
-	cqhci_set_irqs(cq_host, 0);
-
-	cqcfg |= CQHCI_ENABLE;
-
-	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
-
-	if (cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT)
-		cqhci_writel(cq_host, 0, CQHCI_CTL);
-
-	mmc->cqe_on = true;
-
-	if (cq_host->ops->enable)
-		cq_host->ops->enable(mmc);
-
-	/* Ensure all writes are done before interrupts are enabled */
-	wmb();
-
-	cqhci_set_irqs(cq_host, CQHCI_IS_MASK);
-
-	cq_host->activated = true;
-}
-
-static void __cqhci_disable(struct cqhci_host *cq_host)
-{
-	u32 cqcfg;
-
-	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
-	cqcfg &= ~CQHCI_ENABLE;
-	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
-
-	cq_host->mmc->cqe_on = false;
-
-	cq_host->activated = false;
-}
-
-int cqhci_deactivate(struct mmc_host *mmc)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-
-	if (cq_host->enabled && cq_host->activated)
-		__cqhci_disable(cq_host);
-
-	return 0;
-}
-EXPORT_SYMBOL(cqhci_deactivate);
-
-int cqhci_resume(struct mmc_host *mmc)
-{
-	/* Re-enable is done upon first request */
-	return 0;
-}
-EXPORT_SYMBOL(cqhci_resume);
-
-static int cqhci_enable(struct mmc_host *mmc, struct mmc_card *card)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	int err;
-
-	if (!card->ext_csd.cmdq_en)
-		return -EINVAL;
-
-	if (cq_host->enabled)
-		return 0;
-
-	cq_host->rca = card->rca;
-
-	err = cqhci_host_alloc_tdl(cq_host);
-	if (err) {
-		pr_err("%s: Failed to enable CQE, error %d\n",
-		       mmc_hostname(mmc), err);
-		return err;
-	}
-
-	__cqhci_enable(cq_host);
-
-	cq_host->enabled = true;
-
-#ifdef DEBUG
-	cqhci_dumpregs(cq_host);
-#endif
-	return 0;
-}
-
-/* CQHCI is idle and should halt immediately, so set a small timeout */
-#define CQHCI_OFF_TIMEOUT 100
-
-static u32 cqhci_read_ctl(struct cqhci_host *cq_host)
-{
-	return cqhci_readl(cq_host, CQHCI_CTL);
-}
-
-static void cqhci_off(struct mmc_host *mmc)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	u32 reg;
-	int err;
-
-	if (!cq_host->enabled || !mmc->cqe_on || cq_host->recovery_halt)
-		return;
-
-	if (cq_host->ops->disable)
-		cq_host->ops->disable(mmc, false);
-
-	cqhci_writel(cq_host, CQHCI_HALT, CQHCI_CTL);
-
-	err = readx_poll_timeout(cqhci_read_ctl, cq_host, reg,
-				 reg & CQHCI_HALT, 0, CQHCI_OFF_TIMEOUT);
-	if (err < 0)
-		pr_err("%s: cqhci: CQE stuck on\n", mmc_hostname(mmc));
-	else
-		pr_debug("%s: cqhci: CQE off\n", mmc_hostname(mmc));
-
-	if (cq_host->ops->post_disable)
-		cq_host->ops->post_disable(mmc);
-
-	mmc->cqe_on = false;
-}
-
-static void cqhci_disable(struct mmc_host *mmc)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-
-	if (!cq_host->enabled)
-		return;
-
-	cqhci_off(mmc);
-
-	__cqhci_disable(cq_host);
-
-	dmam_free_coherent(mmc_dev(mmc), cq_host->data_size,
-			   cq_host->trans_desc_base,
-			   cq_host->trans_desc_dma_base);
-
-	dmam_free_coherent(mmc_dev(mmc), cq_host->desc_size,
-			   cq_host->desc_base,
-			   cq_host->desc_dma_base);
-
-	cq_host->trans_desc_base = NULL;
-	cq_host->desc_base = NULL;
-
-	cq_host->enabled = false;
-}
-
-static void cqhci_prep_task_desc(struct mmc_request *mrq,
-					u64 *data, bool intr)
-{
-	u32 req_flags = mrq->data->flags;
-
-	*data = CQHCI_VALID(1) |
-		CQHCI_END(1) |
-		CQHCI_INT(intr) |
-		CQHCI_ACT(0x5) |
-		CQHCI_FORCED_PROG(!!(req_flags & MMC_DATA_FORCED_PRG)) |
-		CQHCI_DATA_TAG(!!(req_flags & MMC_DATA_DAT_TAG)) |
-		CQHCI_DATA_DIR(!!(req_flags & MMC_DATA_READ)) |
-		CQHCI_PRIORITY(!!(req_flags & MMC_DATA_PRIO)) |
-		CQHCI_QBAR(!!(req_flags & MMC_DATA_QBR)) |
-		CQHCI_REL_WRITE(!!(req_flags & MMC_DATA_REL_WR)) |
-		CQHCI_BLK_COUNT(mrq->data->blocks) |
-		CQHCI_BLK_ADDR((u64)mrq->data->blk_addr);
-
-	pr_debug("%s: cqhci: tag %d task descriptor 0x%016llx\n",
-		 mmc_hostname(mrq->host), mrq->tag, (unsigned long long)*data);
-}
-
-static int cqhci_dma_map(struct mmc_host *host, struct mmc_request *mrq)
-{
-	int sg_count;
-	struct mmc_data *data = mrq->data;
-
-	if (!data)
-		return -EINVAL;
-
-	sg_count = dma_map_sg(mmc_dev(host), data->sg,
-			      data->sg_len,
-			      (data->flags & MMC_DATA_WRITE) ?
-			      DMA_TO_DEVICE : DMA_FROM_DEVICE);
-	if (!sg_count) {
-		pr_err("%s: sg-len: %d\n", __func__, data->sg_len);
-		return -ENOMEM;
-	}
-
-	return sg_count;
-}
-
-static void cqhci_set_tran_desc(u8 *desc, dma_addr_t addr, int len, bool end,
-				bool dma64)
-{
-	__le32 *attr = (__le32 __force *)desc;
-
-	*attr = (CQHCI_VALID(1) |
-		 CQHCI_END(end ? 1 : 0) |
-		 CQHCI_INT(0) |
-		 CQHCI_ACT(0x4) |
-		 CQHCI_DAT_LENGTH(len));
-
-	if (dma64) {
-		__le64 *dataddr = (__le64 __force *)(desc + 4);
-
-		dataddr[0] = cpu_to_le64(addr);
-	} else {
-		__le32 *dataddr = (__le32 __force *)(desc + 4);
-
-		dataddr[0] = cpu_to_le32(addr);
-	}
-}
-
-static int cqhci_prep_tran_desc(struct mmc_request *mrq,
-			       struct cqhci_host *cq_host, int tag)
-{
-	struct mmc_data *data = mrq->data;
-	int i, sg_count, len;
-	bool end = false;
-	bool dma64 = cq_host->dma64;
-	dma_addr_t addr;
-	u8 *desc;
-	struct scatterlist *sg;
-
-	sg_count = cqhci_dma_map(mrq->host, mrq);
-	if (sg_count < 0) {
-		pr_err("%s: %s: unable to map sg lists, %d\n",
-				mmc_hostname(mrq->host), __func__, sg_count);
-		return sg_count;
-	}
-
-	desc = get_trans_desc(cq_host, tag);
-
-	for_each_sg(data->sg, sg, sg_count, i) {
-		addr = sg_dma_address(sg);
-		len = sg_dma_len(sg);
-
-		if ((i+1) == sg_count)
-			end = true;
-		cqhci_set_tran_desc(desc, addr, len, end, dma64);
-		desc += cq_host->trans_desc_len;
-	}
-
-	return 0;
-}
-
-static void cqhci_prep_dcmd_desc(struct mmc_host *mmc,
-				   struct mmc_request *mrq)
-{
-	u64 *task_desc = NULL;
-	u64 data = 0;
-	u8 resp_type;
-	u8 *desc;
-	__le64 *dataddr;
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	u8 timing;
-
-	if (!(mrq->cmd->flags & MMC_RSP_PRESENT)) {
-		resp_type = 0x0;
-		timing = 0x1;
-	} else {
-		if (mrq->cmd->flags & MMC_RSP_R1B) {
-			resp_type = 0x3;
-			timing = 0x0;
-		} else {
-			resp_type = 0x2;
-			timing = 0x1;
-		}
-	}
-
-	task_desc = (__le64 __force *)get_desc(cq_host, cq_host->dcmd_slot);
-	memset(task_desc, 0, cq_host->task_desc_len);
-	data |= (CQHCI_VALID(1) |
-		 CQHCI_END(1) |
-		 CQHCI_INT(1) |
-		 CQHCI_QBAR(1) |
-		 CQHCI_ACT(0x5) |
-		 CQHCI_CMD_INDEX(mrq->cmd->opcode) |
-		 CQHCI_CMD_TIMING(timing) | CQHCI_RESP_TYPE(resp_type));
-	if (cq_host->ops->update_dcmd_desc)
-		cq_host->ops->update_dcmd_desc(mmc, mrq, &data);
-	*task_desc |= data;
-	desc = (u8 *)task_desc;
-	pr_debug("%s: cqhci: dcmd: cmd: %d timing: %d resp: %d\n",
-		 mmc_hostname(mmc), mrq->cmd->opcode, timing, resp_type);
-	dataddr = (__le64 __force *)(desc + 4);
-	dataddr[0] = cpu_to_le64((u64)mrq->cmd->arg);
-
-}
-
-static void cqhci_post_req(struct mmc_host *host, struct mmc_request *mrq)
-{
-	struct mmc_data *data = mrq->data;
-
-	if (data) {
-		dma_unmap_sg(mmc_dev(host), data->sg, data->sg_len,
-			     (data->flags & MMC_DATA_READ) ?
-			     DMA_FROM_DEVICE : DMA_TO_DEVICE);
-	}
-}
-
-static inline int cqhci_tag(struct mmc_request *mrq)
-{
-	return mrq->cmd ? DCMD_SLOT : mrq->tag;
-}
-
-static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
-{
-	int err = 0;
-	u64 data = 0;
-	u64 *task_desc = NULL;
-	int tag = cqhci_tag(mrq);
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	unsigned long flags;
-
-	if (!cq_host->enabled) {
-		pr_err("%s: cqhci: not enabled\n", mmc_hostname(mmc));
-		return -EINVAL;
-	}
-
-	/* First request after resume has to re-enable */
-	if (!cq_host->activated)
-		__cqhci_enable(cq_host);
-
-	if (!mmc->cqe_on) {
-		if (cq_host->ops->pre_enable)
-			cq_host->ops->pre_enable(mmc);
-
-		cqhci_writel(cq_host, 0, CQHCI_CTL);
-		mmc->cqe_on = true;
-		pr_debug("%s: cqhci: CQE on\n", mmc_hostname(mmc));
-		if (cqhci_readl(cq_host, CQHCI_CTL) && CQHCI_HALT) {
-			pr_err("%s: cqhci: CQE failed to exit halt state\n",
-			       mmc_hostname(mmc));
-		}
-		if (cq_host->ops->enable)
-			cq_host->ops->enable(mmc);
-	}
-
-	if (mrq->data) {
-		task_desc = (__le64 __force *)get_desc(cq_host, tag);
-		cqhci_prep_task_desc(mrq, &data, 1);
-		*task_desc = cpu_to_le64(data);
-		err = cqhci_prep_tran_desc(mrq, cq_host, tag);
-		if (err) {
-			pr_err("%s: cqhci: failed to setup tx desc: %d\n",
-			       mmc_hostname(mmc), err);
-			return err;
-		}
-	} else {
-		cqhci_prep_dcmd_desc(mmc, mrq);
-	}
-
-	spin_lock_irqsave(&cq_host->lock, flags);
-
-	if (cq_host->recovery_halt) {
-		err = -EBUSY;
-		goto out_unlock;
-	}
-
-	cq_host->slot[tag].mrq = mrq;
-	cq_host->slot[tag].flags = 0;
-
-	cq_host->qcnt += 1;
-	/* Make sure descriptors are ready before ringing the doorbell */
-	wmb();
-	cqhci_writel(cq_host, 1 << tag, CQHCI_TDBR);
-	if (!(cqhci_readl(cq_host, CQHCI_TDBR) & (1 << tag)))
-		pr_debug("%s: cqhci: doorbell not set for tag %d\n",
-			 mmc_hostname(mmc), tag);
-out_unlock:
-	spin_unlock_irqrestore(&cq_host->lock, flags);
-
-	if (err)
-		cqhci_post_req(mmc, mrq);
-
-	return err;
-}
-
-static void cqhci_recovery_needed(struct mmc_host *mmc, struct mmc_request *mrq,
-				  bool notify)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-
-	if (!cq_host->recovery_halt) {
-		cq_host->recovery_halt = true;
-		pr_debug("%s: cqhci: recovery needed\n", mmc_hostname(mmc));
-		wake_up(&cq_host->wait_queue);
-		if (notify && mrq->recovery_notifier)
-			mrq->recovery_notifier(mrq);
-	}
-}
-
-static unsigned int cqhci_error_flags(int error1, int error2)
-{
-	int error = error1 ? error1 : error2;
-
-	switch (error) {
-	case -EILSEQ:
-		return CQHCI_HOST_CRC;
-	case -ETIMEDOUT:
-		return CQHCI_HOST_TIMEOUT;
-	default:
-		return CQHCI_HOST_OTHER;
-	}
-}
-
-static void cqhci_error_irq(struct mmc_host *mmc, u32 status, int cmd_error,
-			    int data_error)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	struct cqhci_slot *slot;
-	u32 terri;
-	int tag;
-
-	spin_lock(&cq_host->lock);
-
-	terri = cqhci_readl(cq_host, CQHCI_TERRI);
-
-	pr_debug("%s: cqhci: error IRQ status: 0x%08x cmd error %d data error %d TERRI: 0x%08x\n",
-		 mmc_hostname(mmc), status, cmd_error, data_error, terri);
-
-	/* Forget about errors when recovery has already been triggered */
-	if (cq_host->recovery_halt)
-		goto out_unlock;
-
-	if (!cq_host->qcnt) {
-		WARN_ONCE(1, "%s: cqhci: error when idle. IRQ status: 0x%08x cmd error %d data error %d TERRI: 0x%08x\n",
-			  mmc_hostname(mmc), status, cmd_error, data_error,
-			  terri);
-		goto out_unlock;
-	}
-
-	if (CQHCI_TERRI_C_VALID(terri)) {
-		tag = CQHCI_TERRI_C_TASK(terri);
-		slot = &cq_host->slot[tag];
-		if (slot->mrq) {
-			slot->flags = cqhci_error_flags(cmd_error, data_error);
-			cqhci_recovery_needed(mmc, slot->mrq, true);
-		}
-	}
-
-	if (CQHCI_TERRI_D_VALID(terri)) {
-		tag = CQHCI_TERRI_D_TASK(terri);
-		slot = &cq_host->slot[tag];
-		if (slot->mrq) {
-			slot->flags = cqhci_error_flags(data_error, cmd_error);
-			cqhci_recovery_needed(mmc, slot->mrq, true);
-		}
-	}
-
-	if (!cq_host->recovery_halt) {
-		/*
-		 * The only way to guarantee forward progress is to mark at
-		 * least one task in error, so if none is indicated, pick one.
-		 */
-		for (tag = 0; tag < NUM_SLOTS; tag++) {
-			slot = &cq_host->slot[tag];
-			if (!slot->mrq)
-				continue;
-			slot->flags = cqhci_error_flags(data_error, cmd_error);
-			cqhci_recovery_needed(mmc, slot->mrq, true);
-			break;
-		}
-	}
-
-out_unlock:
-	spin_unlock(&cq_host->lock);
-}
-
-static void cqhci_finish_mrq(struct mmc_host *mmc, unsigned int tag)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	struct cqhci_slot *slot = &cq_host->slot[tag];
-	struct mmc_request *mrq = slot->mrq;
-	struct mmc_data *data;
-
-	if (!mrq) {
-		WARN_ONCE(1, "%s: cqhci: spurious TCN for tag %d\n",
-			  mmc_hostname(mmc), tag);
-		return;
-	}
-
-	/* No completions allowed during recovery */
-	if (cq_host->recovery_halt) {
-		slot->flags |= CQHCI_COMPLETED;
-		return;
-	}
-
-	slot->mrq = NULL;
-
-	cq_host->qcnt -= 1;
-
-	data = mrq->data;
-	if (data) {
-		if (data->error)
-			data->bytes_xfered = 0;
-		else
-			data->bytes_xfered = data->blksz * data->blocks;
-	}
-
-	mmc_cqe_request_done(mmc, mrq);
-}
-
-irqreturn_t cqhci_irq(struct mmc_host *mmc, u32 intmask, int cmd_error,
-		      int data_error)
-{
-	u32 status;
-	unsigned long tag = 0, comp_status;
-	struct cqhci_host *cq_host = mmc->cqe_private;
-
-	status = cqhci_readl(cq_host, CQHCI_IS);
-	cqhci_writel(cq_host, status, CQHCI_IS);
-
-	pr_debug("%s: cqhci: IRQ status: 0x%08x\n", mmc_hostname(mmc), status);
-
-	if ((status & CQHCI_IS_RED) || cmd_error || data_error)
-		cqhci_error_irq(mmc, status, cmd_error, data_error);
-
-	if (status & CQHCI_IS_TCC) {
-		/* read TCN and complete the request */
-		comp_status = cqhci_readl(cq_host, CQHCI_TCN);
-		cqhci_writel(cq_host, comp_status, CQHCI_TCN);
-		pr_debug("%s: cqhci: TCN: 0x%08lx\n",
-			 mmc_hostname(mmc), comp_status);
-
-		spin_lock(&cq_host->lock);
-
-		for_each_set_bit(tag, &comp_status, cq_host->num_slots) {
-			/* complete the corresponding mrq */
-			pr_debug("%s: cqhci: completing tag %lu\n",
-				 mmc_hostname(mmc), tag);
-			cqhci_finish_mrq(mmc, tag);
-		}
-
-		if (cq_host->waiting_for_idle && !cq_host->qcnt) {
-			cq_host->waiting_for_idle = false;
-			wake_up(&cq_host->wait_queue);
-		}
-
-		spin_unlock(&cq_host->lock);
-	}
-
-	if (status & CQHCI_IS_TCL)
-		wake_up(&cq_host->wait_queue);
-
-	if (status & CQHCI_IS_HAC)
-		wake_up(&cq_host->wait_queue);
-
-	return IRQ_HANDLED;
-}
-EXPORT_SYMBOL(cqhci_irq);
-
-static bool cqhci_is_idle(struct cqhci_host *cq_host, int *ret)
-{
-	unsigned long flags;
-	bool is_idle;
-
-	spin_lock_irqsave(&cq_host->lock, flags);
-	is_idle = !cq_host->qcnt || cq_host->recovery_halt;
-	*ret = cq_host->recovery_halt ? -EBUSY : 0;
-	cq_host->waiting_for_idle = !is_idle;
-	spin_unlock_irqrestore(&cq_host->lock, flags);
-
-	return is_idle;
-}
-
-static int cqhci_wait_for_idle(struct mmc_host *mmc)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	int ret;
-
-	wait_event(cq_host->wait_queue, cqhci_is_idle(cq_host, &ret));
-
-	return ret;
-}
-
-static bool cqhci_timeout(struct mmc_host *mmc, struct mmc_request *mrq,
-			  bool *recovery_needed)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	int tag = cqhci_tag(mrq);
-	struct cqhci_slot *slot = &cq_host->slot[tag];
-	unsigned long flags;
-	bool timed_out;
-
-	spin_lock_irqsave(&cq_host->lock, flags);
-	timed_out = slot->mrq == mrq;
-	if (timed_out) {
-		slot->flags |= CQHCI_EXTERNAL_TIMEOUT;
-		cqhci_recovery_needed(mmc, mrq, false);
-		*recovery_needed = cq_host->recovery_halt;
-	}
-	spin_unlock_irqrestore(&cq_host->lock, flags);
-
-	if (timed_out) {
-		pr_err("%s: cqhci: timeout for tag %d\n",
-		       mmc_hostname(mmc), tag);
-		cqhci_dumpregs(cq_host);
-	}
-
-	return timed_out;
-}
-
-static bool cqhci_tasks_cleared(struct cqhci_host *cq_host)
-{
-	return !(cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_CLEAR_ALL_TASKS);
-}
-
-static bool cqhci_clear_all_tasks(struct mmc_host *mmc, unsigned int timeout)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	bool ret;
-	u32 ctl;
-
-	cqhci_set_irqs(cq_host, CQHCI_IS_TCL);
-
-	ctl = cqhci_readl(cq_host, CQHCI_CTL);
-	ctl |= CQHCI_CLEAR_ALL_TASKS;
-	cqhci_writel(cq_host, ctl, CQHCI_CTL);
-
-	wait_event_timeout(cq_host->wait_queue, cqhci_tasks_cleared(cq_host),
-			   msecs_to_jiffies(timeout) + 1);
-
-	cqhci_set_irqs(cq_host, 0);
-
-	ret = cqhci_tasks_cleared(cq_host);
-
-	if (!ret)
-		pr_warn("%s: cqhci: Failed to clear tasks\n",
-			mmc_hostname(mmc));
-
-	return ret;
-}
-
-static bool cqhci_halted(struct cqhci_host *cq_host)
-{
-	return cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT;
-}
-
-static bool cqhci_halt(struct mmc_host *mmc, unsigned int timeout)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	bool ret;
-	u32 ctl;
-
-	if (cqhci_halted(cq_host))
-		return true;
-
-	cqhci_set_irqs(cq_host, CQHCI_IS_HAC);
-
-	ctl = cqhci_readl(cq_host, CQHCI_CTL);
-	ctl |= CQHCI_HALT;
-	cqhci_writel(cq_host, ctl, CQHCI_CTL);
-
-	wait_event_timeout(cq_host->wait_queue, cqhci_halted(cq_host),
-			   msecs_to_jiffies(timeout) + 1);
-
-	cqhci_set_irqs(cq_host, 0);
-
-	ret = cqhci_halted(cq_host);
-
-	if (!ret)
-		pr_warn("%s: cqhci: Failed to halt\n", mmc_hostname(mmc));
-
-	return ret;
-}
-
-/*
- * After halting we expect to be able to use the command line. We interpret the
- * failure to halt to mean the data lines might still be in use (and the upper
- * layers will need to send a STOP command), however failing to halt complicates
- * the recovery, so set a timeout that would reasonably allow I/O to complete.
- */
-#define CQHCI_START_HALT_TIMEOUT	500
-
-static void cqhci_recovery_start(struct mmc_host *mmc)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-
-	pr_debug("%s: cqhci: %s\n", mmc_hostname(mmc), __func__);
-
-	WARN_ON(!cq_host->recovery_halt);
-
-	cqhci_halt(mmc, CQHCI_START_HALT_TIMEOUT);
-
-	if (cq_host->ops->disable)
-		cq_host->ops->disable(mmc, true);
-
-	mmc->cqe_on = false;
-}
-
-static int cqhci_error_from_flags(unsigned int flags)
-{
-	if (!flags)
-		return 0;
-
-	/* CRC errors might indicate re-tuning so prefer to report that */
-	if (flags & CQHCI_HOST_CRC)
-		return -EILSEQ;
-
-	if (flags & (CQHCI_EXTERNAL_TIMEOUT | CQHCI_HOST_TIMEOUT))
-		return -ETIMEDOUT;
-
-	return -EIO;
-}
-
-static void cqhci_recover_mrq(struct cqhci_host *cq_host, unsigned int tag)
-{
-	struct cqhci_slot *slot = &cq_host->slot[tag];
-	struct mmc_request *mrq = slot->mrq;
-	struct mmc_data *data;
-
-	if (!mrq)
-		return;
-
-	slot->mrq = NULL;
-
-	cq_host->qcnt -= 1;
-
-	data = mrq->data;
-	if (data) {
-		data->bytes_xfered = 0;
-		data->error = cqhci_error_from_flags(slot->flags);
-	} else {
-		mrq->cmd->error = cqhci_error_from_flags(slot->flags);
-	}
-
-	mmc_cqe_request_done(cq_host->mmc, mrq);
-}
-
-static void cqhci_recover_mrqs(struct cqhci_host *cq_host)
-{
-	int i;
-
-	for (i = 0; i < cq_host->num_slots; i++)
-		cqhci_recover_mrq(cq_host, i);
-}
-
-/*
- * By now the command and data lines should be unused so there is no reason for
- * CQHCI to take a long time to halt, but if it doesn't halt there could be
- * problems clearing tasks, so be generous.
- */
-#define CQHCI_FINISH_HALT_TIMEOUT	20
-
-/* CQHCI could be expected to clear it's internal state pretty quickly */
-#define CQHCI_CLEAR_TIMEOUT		20
-
-static void cqhci_recovery_finish(struct mmc_host *mmc)
-{
-	struct cqhci_host *cq_host = mmc->cqe_private;
-	unsigned long flags;
-	u32 cqcfg;
-	bool ok;
-
-	pr_debug("%s: cqhci: %s\n", mmc_hostname(mmc), __func__);
-
-	WARN_ON(!cq_host->recovery_halt);
-
-	ok = cqhci_halt(mmc, CQHCI_FINISH_HALT_TIMEOUT);
-
-	/*
-	 * The specification contradicts itself, by saying that tasks cannot be
-	 * cleared if CQHCI does not halt, but if CQHCI does not halt, it should
-	 * be disabled/re-enabled, but not to disable before clearing tasks.
-	 * Have a go anyway.
-	 */
-	if (!cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT))
-		ok = false;
-
-	/* Disable to make sure tasks really are cleared */
-	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
-	cqcfg &= ~CQHCI_ENABLE;
-	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
-
-	cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
-	cqcfg |= CQHCI_ENABLE;
-	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
-
-	cqhci_halt(mmc, CQHCI_FINISH_HALT_TIMEOUT);
-
-	if (!ok)
-		cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT);
-
-	cqhci_recover_mrqs(cq_host);
-
-	WARN_ON(cq_host->qcnt);
-
-	spin_lock_irqsave(&cq_host->lock, flags);
-	cq_host->qcnt = 0;
-	cq_host->recovery_halt = false;
-	mmc->cqe_on = false;
-	spin_unlock_irqrestore(&cq_host->lock, flags);
-
-	/* Ensure all writes are done before interrupts are re-enabled */
-	wmb();
-
-	cqhci_writel(cq_host, CQHCI_IS_HAC | CQHCI_IS_TCL, CQHCI_IS);
-
-	cqhci_set_irqs(cq_host, CQHCI_IS_MASK);
-
-	pr_debug("%s: cqhci: recovery done\n", mmc_hostname(mmc));
-}
-
-static const struct mmc_cqe_ops cqhci_cqe_ops = {
-	.cqe_enable = cqhci_enable,
-	.cqe_disable = cqhci_disable,
-	.cqe_request = cqhci_request,
-	.cqe_post_req = cqhci_post_req,
-	.cqe_off = cqhci_off,
-	.cqe_wait_for_idle = cqhci_wait_for_idle,
-	.cqe_timeout = cqhci_timeout,
-	.cqe_recovery_start = cqhci_recovery_start,
-	.cqe_recovery_finish = cqhci_recovery_finish,
-};
-
-struct cqhci_host *cqhci_pltfm_init(struct platform_device *pdev)
-{
-	struct cqhci_host *cq_host;
-	struct resource *cqhci_memres = NULL;
-
-	/* check and setup CMDQ interface */
-	cqhci_memres = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						   "cqhci");
-	if (!cqhci_memres) {
-		dev_dbg(&pdev->dev, "CMDQ not supported\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	cq_host = devm_kzalloc(&pdev->dev, sizeof(*cq_host), GFP_KERNEL);
-	if (!cq_host)
-		return ERR_PTR(-ENOMEM);
-	cq_host->mmio = devm_ioremap(&pdev->dev,
-				     cqhci_memres->start,
-				     resource_size(cqhci_memres));
-	if (!cq_host->mmio) {
-		dev_err(&pdev->dev, "failed to remap cqhci regs\n");
-		return ERR_PTR(-EBUSY);
-	}
-	dev_dbg(&pdev->dev, "CMDQ ioremap: done\n");
-
-	return cq_host;
-}
-EXPORT_SYMBOL(cqhci_pltfm_init);
-
-static unsigned int cqhci_ver_major(struct cqhci_host *cq_host)
-{
-	return CQHCI_VER_MAJOR(cqhci_readl(cq_host, CQHCI_VER));
-}
-
-static unsigned int cqhci_ver_minor(struct cqhci_host *cq_host)
-{
-	u32 ver = cqhci_readl(cq_host, CQHCI_VER);
-
-	return CQHCI_VER_MINOR1(ver) * 10 + CQHCI_VER_MINOR2(ver);
-}
-
-int cqhci_init(struct cqhci_host *cq_host, struct mmc_host *mmc,
-	      bool dma64)
-{
-	int err;
-
-	cq_host->dma64 = dma64;
-	cq_host->mmc = mmc;
-	cq_host->mmc->cqe_private = cq_host;
-
-	cq_host->num_slots = NUM_SLOTS;
-	cq_host->dcmd_slot = DCMD_SLOT;
-
-	mmc->cqe_ops = &cqhci_cqe_ops;
-
-	mmc->cqe_qdepth = NUM_SLOTS;
-	if (mmc->caps2 & MMC_CAP2_CQE_DCMD)
-		mmc->cqe_qdepth -= 1;
-
-	cq_host->slot = devm_kcalloc(mmc_dev(mmc), cq_host->num_slots,
-				     sizeof(*cq_host->slot), GFP_KERNEL);
-	if (!cq_host->slot) {
-		err = -ENOMEM;
-		goto out_err;
-	}
-
-	spin_lock_init(&cq_host->lock);
-
-	init_completion(&cq_host->halt_comp);
-	init_waitqueue_head(&cq_host->wait_queue);
-
-	pr_info("%s: CQHCI version %u.%02u\n",
-		mmc_hostname(mmc), cqhci_ver_major(cq_host),
-		cqhci_ver_minor(cq_host));
-
-	return 0;
-
-out_err:
-	pr_err("%s: CQHCI version %u.%02u failed to initialize, error %d\n",
-	       mmc_hostname(mmc), cqhci_ver_major(cq_host),
-	       cqhci_ver_minor(cq_host), err);
-	return err;
-}
-EXPORT_SYMBOL(cqhci_init);
-
-MODULE_AUTHOR("Venkat Gopalakrishnan <venkatg@codeaurora.org>");
-MODULE_DESCRIPTION("Command Queue Host Controller Interface driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/host/cqhci.h b/drivers/mmc/host/cqhci.h
index 89bf6ad..ba9387e 100644
--- a/drivers/mmc/host/cqhci.h
+++ b/drivers/mmc/host/cqhci.h
@@ -22,10 +22,13 @@
 
 /* capabilities */
 #define CQHCI_CAP			0x04
+#define CQHCI_CAP_CS			0x10000000 /* Crypto Support */
+
 /* configuration */
 #define CQHCI_CFG			0x08
 #define CQHCI_DCMD			0x00001000
 #define CQHCI_TASK_DESC_SZ		0x00000100
+#define CQHCI_CRYPTO_GENERAL_ENABLE	0x00000002
 #define CQHCI_ENABLE			0x00000001
 
 /* control */
@@ -39,8 +42,11 @@
 #define CQHCI_IS_TCC			BIT(1)
 #define CQHCI_IS_RED			BIT(2)
 #define CQHCI_IS_TCL			BIT(3)
+#define CQHCI_IS_GCE			BIT(4) /* General Crypto Error */
+#define CQHCI_IS_ICCE			BIT(5) /* Invalid Crypto Config Error */
 
-#define CQHCI_IS_MASK (CQHCI_IS_TCC | CQHCI_IS_RED)
+#define CQHCI_IS_MASK (CQHCI_IS_TCC | CQHCI_IS_RED | \
+		       CQHCI_IS_GCE | CQHCI_IS_ICCE)
 
 /* interrupt status enable */
 #define CQHCI_ISTE			0x14
@@ -78,6 +84,9 @@
 /* task clear */
 #define CQHCI_TCLR			0x38
 
+/* task descriptor processing error */
+#define CQHCI_TDPE			0x3c
+
 /* send status config 1 */
 #define CQHCI_SSC1			0x40
 #define CQHCI_SSC1_CBC_MASK		GENMASK(19, 16)
@@ -107,6 +116,10 @@
 /* command response argument */
 #define CQHCI_CRA			0x5C
 
+/* crypto capabilities */
+#define CQHCI_CCAP			0x100
+#define CQHCI_CRYPTOCAP			0x104
+
 #define CQHCI_INT_ALL			0xF
 #define CQHCI_IC_DEFAULT_ICCTH		31
 #define CQHCI_IC_DEFAULT_ICTOVAL	1
@@ -133,11 +146,70 @@
 #define CQHCI_CMD_TIMING(x)		(((x) & 1) << 22)
 #define CQHCI_RESP_TYPE(x)		(((x) & 0x3) << 23)
 
+/* crypto task descriptor fields (for bits 64-127 of task descriptor) */
+#define CQHCI_CRYPTO_ENABLE_BIT		(1ULL << 47)
+#define CQHCI_CRYPTO_KEYSLOT(x)		((u64)(x) << 32)
+
 /* transfer descriptor fields */
 #define CQHCI_DAT_LENGTH(x)		(((x) & 0xFFFF) << 16)
 #define CQHCI_DAT_ADDR_LO(x)		(((x) & 0xFFFFFFFF) << 32)
 #define CQHCI_DAT_ADDR_HI(x)		(((x) & 0xFFFFFFFF) << 0)
 
+/* CCAP - Crypto Capability 100h */
+union cqhci_crypto_capabilities {
+	__le32 reg_val;
+	struct {
+		u8 num_crypto_cap;
+		u8 config_count;
+		u8 reserved;
+		u8 config_array_ptr;
+	};
+};
+
+enum cqhci_crypto_key_size {
+	CQHCI_CRYPTO_KEY_SIZE_INVALID	= 0,
+	CQHCI_CRYPTO_KEY_SIZE_128	= 1,
+	CQHCI_CRYPTO_KEY_SIZE_192	= 2,
+	CQHCI_CRYPTO_KEY_SIZE_256	= 3,
+	CQHCI_CRYPTO_KEY_SIZE_512	= 4,
+};
+
+enum cqhci_crypto_alg {
+	CQHCI_CRYPTO_ALG_AES_XTS		= 0,
+	CQHCI_CRYPTO_ALG_BITLOCKER_AES_CBC	= 1,
+	CQHCI_CRYPTO_ALG_AES_ECB		= 2,
+	CQHCI_CRYPTO_ALG_ESSIV_AES_CBC		= 3,
+};
+
+/* x-CRYPTOCAP - Crypto Capability X */
+union cqhci_crypto_cap_entry {
+	__le32 reg_val;
+	struct {
+		u8 algorithm_id;
+		u8 sdus_mask; /* Supported data unit size mask */
+		u8 key_size;
+		u8 reserved;
+	};
+};
+
+#define CQHCI_CRYPTO_CONFIGURATION_ENABLE (1 << 7)
+#define CQHCI_CRYPTO_KEY_MAX_SIZE 64
+/* x-CRYPTOCFG - Crypto Configuration X */
+union cqhci_crypto_cfg_entry {
+	__le32 reg_val[32];
+	struct {
+		u8 crypto_key[CQHCI_CRYPTO_KEY_MAX_SIZE];
+		u8 data_unit_size;
+		u8 crypto_cap_idx;
+		u8 reserved_1;
+		u8 config_enable;
+		u8 reserved_multi_host;
+		u8 reserved_2;
+		u8 vsb[2];
+		u8 reserved_3[56];
+	};
+};
+
 struct cqhci_host_ops;
 struct mmc_host;
 struct mmc_request;
@@ -196,6 +268,12 @@
 	struct completion halt_comp;
 	wait_queue_head_t wait_queue;
 	struct cqhci_slot *slot;
+
+#ifdef CONFIG_MMC_CRYPTO
+	union cqhci_crypto_capabilities crypto_capabilities;
+	union cqhci_crypto_cap_entry *crypto_cap_array;
+	u32 crypto_cfg_register;
+#endif
 };
 
 struct cqhci_host_ops {
@@ -208,6 +286,10 @@
 				 u64 *data);
 	void (*pre_enable)(struct mmc_host *mmc);
 	void (*post_disable)(struct mmc_host *mmc);
+#ifdef CONFIG_MMC_CRYPTO
+	int (*program_key)(struct cqhci_host *cq_host,
+			   const union cqhci_crypto_cfg_entry *cfg, int slot);
+#endif
 };
 
 static inline void cqhci_writel(struct cqhci_host *host, u32 val, int reg)
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 3366956..ea38045 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -13,6 +13,7 @@
 #include <linux/pm_opp.h>
 #include <linux/slab.h>
 #include <linux/iopoll.h>
+#include <linux/qcom_scm.h>
 #include <linux/regulator/consumer.h>
 #include <linux/interconnect.h>
 #include <linux/pinctrl/consumer.h>
@@ -257,10 +258,12 @@
 struct sdhci_msm_host {
 	struct platform_device *pdev;
 	void __iomem *core_mem;	/* MSM SDCC mapped address */
+	void __iomem *ice_mem;	/* MSM ICE mapped address (if available) */
 	int pwr_irq;		/* power irq */
 	struct clk *bus_clk;	/* SDHC bus voter clock */
 	struct clk *xo_clk;	/* TCXO clk needed for FLL feature of cm_dll*/
-	struct clk_bulk_data bulk_clks[4]; /* core, iface, cal, sleep clocks */
+	/* core, iface, cal, sleep, and ice clocks */
+	struct clk_bulk_data bulk_clks[5];
 	unsigned long clk_rate;
 	struct mmc_host *mmc;
 	struct opp_table *opp_table;
@@ -1788,6 +1791,246 @@
 
 /*****************************************************************************\
  *                                                                           *
+ * Inline Crypto Engine (ICE) support                                        *
+ *                                                                           *
+\*****************************************************************************/
+
+#ifdef CONFIG_MMC_CRYPTO
+
+#define AES_256_XTS_KEY_SIZE			64
+
+/* QCOM ICE registers */
+
+#define QCOM_ICE_REG_VERSION			0x0008
+
+#define QCOM_ICE_REG_FUSE_SETTING		0x0010
+#define QCOM_ICE_FUSE_SETTING_MASK		0x1
+#define QCOM_ICE_FORCE_HW_KEY0_SETTING_MASK	0x2
+#define QCOM_ICE_FORCE_HW_KEY1_SETTING_MASK	0x4
+
+#define QCOM_ICE_REG_BIST_STATUS		0x0070
+#define QCOM_ICE_BIST_STATUS_MASK		0xF0000000
+
+#define QCOM_ICE_REG_ADVANCED_CONTROL		0x1000
+
+#define sdhci_msm_ice_writel(host, val, reg)	\
+	writel((val), (host)->ice_mem + (reg))
+#define sdhci_msm_ice_readl(host, reg)	\
+	readl((host)->ice_mem + (reg))
+
+static bool sdhci_msm_ice_supported(struct sdhci_msm_host *msm_host)
+{
+	struct device *dev = mmc_dev(msm_host->mmc);
+	u32 regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_VERSION);
+	int major = regval >> 24;
+	int minor = (regval >> 16) & 0xFF;
+	int step = regval & 0xFFFF;
+
+	/* For now this driver only supports ICE version 3. */
+	if (major != 3) {
+		dev_warn(dev, "Unsupported ICE version: v%d.%d.%d\n",
+			 major, minor, step);
+		return false;
+	}
+
+	dev_info(dev, "Found QC Inline Crypto Engine (ICE) v%d.%d.%d\n",
+		 major, minor, step);
+
+	/* If fuses are blown, ICE might not work in the standard way. */
+	regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_FUSE_SETTING);
+	if (regval & (QCOM_ICE_FUSE_SETTING_MASK |
+		      QCOM_ICE_FORCE_HW_KEY0_SETTING_MASK |
+		      QCOM_ICE_FORCE_HW_KEY1_SETTING_MASK)) {
+		dev_warn(dev, "Fuses are blown; ICE is unusable!\n");
+		return false;
+	}
+	return true;
+}
+
+static inline struct clk *sdhci_msm_ice_get_clk(struct device *dev)
+{
+	return devm_clk_get(dev, "ice");
+}
+
+static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
+			      struct cqhci_host *cq_host)
+{
+	struct mmc_host *mmc = msm_host->mmc;
+	struct device *dev = mmc_dev(mmc);
+	struct resource *res;
+	int err;
+
+	if (!(cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS))
+		return 0;
+
+	res = platform_get_resource_byname(msm_host->pdev, IORESOURCE_MEM,
+					   "ice");
+	if (!res) {
+		dev_warn(dev, "ICE registers not found\n");
+		goto disable;
+	}
+
+	if (!qcom_scm_ice_available()) {
+		dev_warn(dev, "ICE SCM interface not found\n");
+		goto disable;
+	}
+
+	msm_host->ice_mem = devm_ioremap_resource(dev, res);
+	if (IS_ERR(msm_host->ice_mem)) {
+		err = PTR_ERR(msm_host->ice_mem);
+		dev_err(dev, "Failed to map ICE registers; err=%d\n", err);
+		return err;
+	}
+
+	if (!sdhci_msm_ice_supported(msm_host))
+		goto disable;
+
+	mmc->caps2 |= MMC_CAP2_CRYPTO;
+	return 0;
+
+disable:
+	dev_warn(dev, "Disabling inline encryption support\n");
+	return 0;
+}
+
+static void sdhci_msm_ice_low_power_mode_enable(struct sdhci_msm_host *msm_host)
+{
+	u32 regval;
+
+	regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_ADVANCED_CONTROL);
+	/*
+	 * Enable low power mode sequence
+	 * [0]-0, [1]-0, [2]-0, [3]-E, [4]-0, [5]-0, [6]-0, [7]-0
+	 */
+	regval |= 0x7000;
+	sdhci_msm_ice_writel(msm_host, regval, QCOM_ICE_REG_ADVANCED_CONTROL);
+}
+
+static void sdhci_msm_ice_optimization_enable(struct sdhci_msm_host *msm_host)
+{
+	u32 regval;
+
+	/* ICE Optimizations Enable Sequence */
+	regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_ADVANCED_CONTROL);
+	regval |= 0xD807100;
+	/* ICE HPG requires delay before writing */
+	udelay(5);
+	sdhci_msm_ice_writel(msm_host, regval, QCOM_ICE_REG_ADVANCED_CONTROL);
+	udelay(5);
+}
+
+/*
+ * Wait until the ICE BIST (built-in self-test) has completed.
+ *
+ * This may be necessary before ICE can be used.
+ *
+ * Note that we don't really care whether the BIST passed or failed; we really
+ * just want to make sure that it isn't still running.  This is because (a) the
+ * BIST is a FIPS compliance thing that never fails in practice, (b) ICE is
+ * documented to reject crypto requests if the BIST fails, so we needn't do it
+ * in software too, and (c) properly testing storage encryption requires testing
+ * the full storage stack anyway, and not relying on hardware-level self-tests.
+ */
+static int sdhci_msm_ice_wait_bist_status(struct sdhci_msm_host *msm_host)
+{
+	u32 regval;
+	int err;
+
+	err = readl_poll_timeout(msm_host->ice_mem + QCOM_ICE_REG_BIST_STATUS,
+				 regval, !(regval & QCOM_ICE_BIST_STATUS_MASK),
+				 50, 5000);
+	if (err)
+		dev_err(mmc_dev(msm_host->mmc),
+			"Timed out waiting for ICE self-test to complete\n");
+	return err;
+}
+
+static void sdhci_msm_ice_enable(struct sdhci_msm_host *msm_host)
+{
+	if (!(msm_host->mmc->caps2 & MMC_CAP2_CRYPTO))
+		return;
+	sdhci_msm_ice_low_power_mode_enable(msm_host);
+	sdhci_msm_ice_optimization_enable(msm_host);
+	sdhci_msm_ice_wait_bist_status(msm_host);
+}
+
+static int __maybe_unused sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host)
+{
+	if (!(msm_host->mmc->caps2 & MMC_CAP2_CRYPTO))
+		return 0;
+	return sdhci_msm_ice_wait_bist_status(msm_host);
+}
+
+/*
+ * Program a key into a QC ICE keyslot, or evict a keyslot.  QC ICE requires
+ * vendor-specific SCM calls for this; it doesn't support the standard way.
+ */
+static int sdhci_msm_program_key(struct cqhci_host *cq_host,
+				 const union cqhci_crypto_cfg_entry *cfg,
+				 int slot)
+{
+	struct device *dev = mmc_dev(cq_host->mmc);
+	union cqhci_crypto_cap_entry cap;
+	union {
+		u8 bytes[AES_256_XTS_KEY_SIZE];
+		u32 words[AES_256_XTS_KEY_SIZE / sizeof(u32)];
+	} key;
+	int i;
+	int err;
+
+	if (!(cfg->config_enable & CQHCI_CRYPTO_CONFIGURATION_ENABLE))
+		return qcom_scm_ice_invalidate_key(slot);
+
+	/* Only AES-256-XTS has been tested so far. */
+	cap = cq_host->crypto_cap_array[cfg->crypto_cap_idx];
+	if (cap.algorithm_id != CQHCI_CRYPTO_ALG_AES_XTS ||
+	    cap.key_size != CQHCI_CRYPTO_KEY_SIZE_256) {
+		dev_err_ratelimited(dev,
+				    "Unhandled crypto capability; algorithm_id=%d, key_size=%d\n",
+				    cap.algorithm_id, cap.key_size);
+		return -EINVAL;
+	}
+
+	memcpy(key.bytes, cfg->crypto_key, AES_256_XTS_KEY_SIZE);
+
+	/*
+	 * The SCM call byte-swaps the 32-bit words of the key.  So we have to
+	 * do the same, in order for the final key be correct.
+	 */
+	for (i = 0; i < ARRAY_SIZE(key.words); i++)
+		__cpu_to_be32s(&key.words[i]);
+
+	err = qcom_scm_ice_set_key(slot, key.bytes, AES_256_XTS_KEY_SIZE,
+				   QCOM_SCM_ICE_CIPHER_AES_256_XTS,
+				   cfg->data_unit_size);
+	memzero_explicit(&key, sizeof(key));
+	return err;
+}
+#else /* CONFIG_MMC_CRYPTO */
+static inline struct clk *sdhci_msm_ice_get_clk(struct device *dev)
+{
+	return NULL;
+}
+
+static inline int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
+				     struct cqhci_host *cq_host)
+{
+	return 0;
+}
+
+static inline void sdhci_msm_ice_enable(struct sdhci_msm_host *msm_host)
+{
+}
+
+static inline int __maybe_unused
+sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host)
+{
+	return 0;
+}
+#endif /* !CONFIG_MMC_CRYPTO */
+
+/*****************************************************************************\
+ *                                                                           *
  * MSM Command Queue Engine (CQE)                                            *
  *                                                                           *
 \*****************************************************************************/
@@ -1804,6 +2047,16 @@
 	return 0;
 }
 
+static void sdhci_msm_cqe_enable(struct mmc_host *mmc)
+{
+	struct sdhci_host *host = mmc_priv(mmc);
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
+
+	sdhci_cqe_enable(mmc);
+	sdhci_msm_ice_enable(msm_host);
+}
+
 static void sdhci_msm_cqe_disable(struct mmc_host *mmc, bool recovery)
 {
 	struct sdhci_host *host = mmc_priv(mmc);
@@ -1853,8 +2106,11 @@
 }
 
 static const struct cqhci_host_ops sdhci_msm_cqhci_ops = {
-	.enable		= sdhci_cqe_enable,
+	.enable		= sdhci_msm_cqe_enable,
 	.disable	= sdhci_msm_cqe_disable,
+#ifdef CONFIG_MMC_CRYPTO
+	.program_key	= sdhci_msm_program_key,
+#endif
 };
 
 static int sdhci_msm_cqe_add_host(struct sdhci_host *host,
@@ -1890,6 +2146,10 @@
 
 	dma64 = host->flags & SDHCI_USE_64_BIT_DMA;
 
+	ret = sdhci_msm_ice_init(msm_host, cq_host);
+	if (ret)
+		goto cleanup;
+
 	ret = cqhci_init(cq_host, host->mmc, dma64);
 	if (ret) {
 		dev_err(&pdev->dev, "%s: CQE init: failed (%d)\n",
@@ -2385,6 +2645,11 @@
 		clk = NULL;
 	msm_host->bulk_clks[3].clk = clk;
 
+	clk = sdhci_msm_ice_get_clk(&pdev->dev);
+	if (IS_ERR(clk))
+		clk = NULL;
+	msm_host->bulk_clks[4].clk = clk;
+
 	ret = clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks),
 				      msm_host->bulk_clks);
 	if (ret)
@@ -2595,12 +2860,15 @@
 	 * Whenever core-clock is gated dynamically, it's needed to
 	 * restore the SDR DLL settings when the clock is ungated.
 	 */
-	if (msm_host->restore_dll_config && msm_host->clk_rate)
+	if (msm_host->restore_dll_config && msm_host->clk_rate) {
 		ret = sdhci_msm_restore_sdr_dll_config(host);
+		if (ret)
+			return ret;
+	}
 
 	dev_pm_opp_set_rate(dev, msm_host->clk_rate);
 
-	return ret;
+	return sdhci_msm_ice_resume(msm_host);
 }
 
 static const struct dev_pm_ops sdhci_msm_pm_ops = {
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index 52bfe35..3ea5402 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -396,33 +396,12 @@
 	mmc_request_done(host->mmc, mrq);
 }
 
-static void sdhci_sprd_set_power(struct sdhci_host *host, unsigned char mode,
-				 unsigned short vdd)
-{
-	struct mmc_host *mmc = host->mmc;
-
-	switch (mode) {
-	case MMC_POWER_OFF:
-		mmc_regulator_set_ocr(host->mmc, mmc->supply.vmmc, 0);
-
-		mmc_regulator_disable_vqmmc(mmc);
-		break;
-	case MMC_POWER_ON:
-		mmc_regulator_enable_vqmmc(mmc);
-		break;
-	case MMC_POWER_UP:
-		mmc_regulator_set_ocr(host->mmc, mmc->supply.vmmc, vdd);
-		break;
-	}
-}
-
 static struct sdhci_ops sdhci_sprd_ops = {
 	.read_l = sdhci_sprd_readl,
 	.write_l = sdhci_sprd_writel,
 	.write_w = sdhci_sprd_writew,
 	.write_b = sdhci_sprd_writeb,
 	.set_clock = sdhci_sprd_set_clock,
-	.set_power = sdhci_sprd_set_power,
 	.get_max_clock = sdhci_sprd_get_max_clock,
 	.get_min_clock = sdhci_sprd_get_min_clock,
 	.set_bus_width = sdhci_set_bus_width,
@@ -688,10 +667,6 @@
 	host->caps1 &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_SDR104 |
 			 SDHCI_SUPPORT_DDR50);
 
-	ret = mmc_regulator_get_supply(host->mmc);
-	if (ret)
-		goto pm_runtime_disable;
-
 	ret = sdhci_setup_host(host);
 	if (ret)
 		goto pm_runtime_disable;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index bad01cc..dcc85a2 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -20,7 +20,6 @@
 #include <linux/slab.h>
 #include <linux/scatterlist.h>
 #include <linux/sizes.h>
-#include <linux/swiotlb.h>
 #include <linux/regulator/consumer.h>
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
@@ -33,6 +32,8 @@
 #include <linux/mmc/sdio.h>
 #include <linux/mmc/slot-gpio.h>
 
+#include <trace/hooks/mmc_core.h>
+
 #include "sdhci.h"
 
 #define DRIVER_NAME "sdhci"
@@ -2463,6 +2464,7 @@
 {
 	struct sdhci_host *host = mmc_priv(mmc);
 	int gpio_cd = mmc_gpio_get_cd(mmc);
+	bool allow = true;
 
 	if (host->flags & SDHCI_DEVICE_DEAD)
 		return 0;
@@ -2471,6 +2473,10 @@
 	if (!mmc_card_is_removable(host->mmc))
 		return 1;
 
+	trace_android_vh_sdhci_get_cd(host, &allow);
+	if (!allow)
+		return 0;
+
 	/*
 	 * Try slot gpio detect, if defined it take precedence
 	 * over build in controller functionality
@@ -4655,12 +4661,8 @@
 		mmc->max_segs = SDHCI_MAX_SEGS;
 	} else if (host->flags & SDHCI_USE_SDMA) {
 		mmc->max_segs = 1;
-		if (swiotlb_max_segment()) {
-			unsigned int max_req_size = (1 << IO_TLB_SHIFT) *
-						IO_TLB_SEGSIZE;
-			mmc->max_req_size = min(mmc->max_req_size,
-						max_req_size);
-		}
+		mmc->max_req_size = min_t(size_t, mmc->max_req_size,
+					  dma_max_mapping_size(mmc_dev(mmc)));
 	} else { /* PIO */
 		mmc->max_segs = SDHCI_MAX_SEGS;
 	}
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 4db57c3..103d362 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -16,6 +16,7 @@
 #include <linux/io.h>
 #include <linux/leds.h>
 #include <linux/interrupt.h>
+#include <linux/android_kabi.h>
 
 #include <linux/mmc/host.h>
 
@@ -520,8 +521,6 @@
 
 	unsigned int clock;	/* Current clock (MHz) */
 	u8 pwr;			/* Current voltage */
-	u8 drv_type;		/* Current UHS-I driver type */
-	bool reinit_uhs;	/* Force UHS-related re-initialization */
 
 	bool runtime_suspended;	/* Host is runtime suspended */
 	bool bus_on;		/* Bus power prevents runtime suspend */
@@ -610,6 +609,10 @@
 
 	u64			data_timeout;
 
+	ANDROID_KABI_USE2(1,
+			  u8 drv_type,		/* Current UHS-I driver type */
+			  bool reinit_uhs);	/* Force UHS-related re-initialization */
+
 	unsigned long private[] ____cacheline_aligned;
 };
 
@@ -657,6 +660,8 @@
 	void	(*request_done)(struct sdhci_host *host,
 				struct mmc_request *mrq);
 	void    (*dump_vendor_regs)(struct sdhci_host *host);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c
index 9a9f1c2..9e7cf9f 100644
--- a/drivers/mtd/nand/raw/nandsim.c
+++ b/drivers/mtd/nand/raw/nandsim.c
@@ -2453,5 +2453,6 @@
 module_exit(ns_cleanup_module);
 
 MODULE_LICENSE ("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 MODULE_AUTHOR ("Artem B. Bityuckiy");
 MODULE_DESCRIPTION ("The NAND flash simulator");
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index c689bed..7868d46 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1492,3 +1492,4 @@
 MODULE_DESCRIPTION("UBI - Unsorted Block Images");
 MODULE_AUTHOR("Artem Bityutskiy");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index f208080..72d8521 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -89,6 +89,7 @@
 	select CRYPTO_CHACHA20_NEON if ARM || (ARM64 && KERNEL_MODE_NEON)
 	select CRYPTO_POLY1305_NEON if ARM64 && KERNEL_MODE_NEON
 	select CRYPTO_POLY1305_ARM if ARM
+	select CRYPTO_BLAKE2S_ARM if ARM
 	select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON
 	select CRYPTO_CHACHA_MIPS if CPU_MIPS32_R2
 	select CRYPTO_POLY1305_MIPS if MIPS
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/Kconfig b/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
index bc06e83..521955e 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
+++ b/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
@@ -42,6 +42,7 @@
         depends on CHELSIO_T4
         depends on TLS
         depends on TLS_DEVICE
+	select CRYPTO_LIB_AES
         help
           This flag enables support for kernel tls offload over Chelsio T6
           crypto accelerator. CONFIG_CHELSIO_TLS_DEVICE flag can be enabled
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
index f935382..5aad7b1 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
@@ -9,6 +9,7 @@
 #include <linux/ip.h>
 #include <net/ipv6.h>
 #include <linux/netdevice.h>
+#include <crypto/aes.h>
 #include "chcr_ktls.h"
 
 static LIST_HEAD(uld_ctx_list);
@@ -75,7 +76,7 @@
 	unsigned char ghash_h[TLS_CIPHER_AES_GCM_256_TAG_SIZE];
 	struct tls12_crypto_info_aes_gcm_128 *info_128_gcm;
 	struct ktls_key_ctx *kctx = &tx_info->key_ctx;
-	struct crypto_cipher *cipher;
+	struct crypto_aes_ctx aes_ctx;
 	unsigned char *key, *salt;
 
 	switch (crypto_info->cipher_type) {
@@ -136,18 +137,14 @@
 	/* Calculate the H = CIPH(K, 0 repeated 16 times).
 	 * It will go in key context
 	 */
-	cipher = crypto_alloc_cipher("aes", 0, 0);
-	if (IS_ERR(cipher)) {
-		ret = -ENOMEM;
-		goto out;
-	}
 
-	ret = crypto_cipher_setkey(cipher, key, keylen);
+	ret = aes_expandkey(&aes_ctx, key, keylen);
 	if (ret)
-		goto out1;
+		goto out;
 
 	memset(ghash_h, 0, ghash_size);
-	crypto_cipher_encrypt_one(cipher, ghash_h, ghash_h);
+	aes_encrypt(&aes_ctx, ghash_h, ghash_h);
+	memzero_explicit(&aes_ctx, sizeof(aes_ctx));
 
 	/* fill the Key context */
 	if (direction == TLS_OFFLOAD_CTX_DIR_TX) {
@@ -156,7 +153,7 @@
 						 key_ctx_size >> 4);
 	} else {
 		ret = -EINVAL;
-		goto out1;
+		goto out;
 	}
 
 	memcpy(kctx->salt, salt, tx_info->salt_size);
@@ -164,8 +161,6 @@
 	memcpy(kctx->key + keylen, ghash_h, ghash_size);
 	tx_info->key_ctx_len = key_ctx_size;
 
-out1:
-	crypto_free_cipher(cipher);
 out:
 	return ret;
 }
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
index ecd1856..7ec1d0e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
@@ -133,7 +133,7 @@
 	/* Allow mlxsw thermal zone binding to an external cooling device */
 	for (i = 0; i < ARRAY_SIZE(mlxsw_thermal_external_allowed_cdev); i++) {
 		if (strnstr(cdev->type, mlxsw_thermal_external_allowed_cdev[i],
-			    strlen(cdev->type)))
+			    sizeof(cdev->type)))
 			return 0;
 	}
 
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index bfea28bd..34e4673 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -442,12 +442,12 @@
 
 	err = ip_local_out(net, skb->sk, skb);
 	if (unlikely(net_xmit_eval(err)))
-		DEV_STATS_INC(dev, tx_errors);
+		dev->stats.tx_errors++;
 	else
 		ret = NET_XMIT_SUCCESS;
 	goto out;
 err:
-	DEV_STATS_INC(dev, tx_errors);
+	dev->stats.tx_errors++;
 	kfree_skb(skb);
 out:
 	return ret;
@@ -488,7 +488,7 @@
 
 	err = ipvlan_route_v6_outbound(dev, skb);
 	if (unlikely(err)) {
-		DEV_STATS_INC(dev, tx_errors);
+		dev->stats.tx_errors++;
 		kfree_skb(skb);
 		return err;
 	}
@@ -497,7 +497,7 @@
 
 	err = ip6_local_out(dev_net(dev), skb->sk, skb);
 	if (unlikely(net_xmit_eval(err)))
-		DEV_STATS_INC(dev, tx_errors);
+		dev->stats.tx_errors++;
 	else
 		ret = NET_XMIT_SUCCESS;
 	return ret;
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index f59ef2e..93be7dd 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -322,7 +322,6 @@
 		s->rx_dropped = rx_errs;
 		s->tx_dropped = tx_drps;
 	}
-	s->tx_errors = DEV_STATS_READ(dev, tx_errors);
 }
 
 static int ipvlan_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 83b02dc..bc57832 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -159,19 +159,6 @@
 	return sa;
 }
 
-static struct macsec_rx_sa *macsec_active_rxsa_get(struct macsec_rx_sc *rx_sc)
-{
-	struct macsec_rx_sa *sa = NULL;
-	int an;
-
-	for (an = 0; an < MACSEC_NUM_AN; an++)	{
-		sa = macsec_rxsa_get(rx_sc->sa[an]);
-		if (sa)
-			break;
-	}
-	return sa;
-}
-
 static void free_rx_sc_rcu(struct rcu_head *head)
 {
 	struct macsec_rx_sc *rx_sc = container_of(head, struct macsec_rx_sc, rcu_head);
@@ -510,28 +497,18 @@
 	skb->protocol = eth_hdr(skb)->h_proto;
 }
 
-static unsigned int macsec_msdu_len(struct sk_buff *skb)
-{
-	struct macsec_dev *macsec = macsec_priv(skb->dev);
-	struct macsec_secy *secy = &macsec->secy;
-	bool sci_present = macsec_skb_cb(skb)->has_sci;
-
-	return skb->len - macsec_hdr_len(sci_present) - secy->icv_len;
-}
-
 static void macsec_count_tx(struct sk_buff *skb, struct macsec_tx_sc *tx_sc,
 			    struct macsec_tx_sa *tx_sa)
 {
-	unsigned int msdu_len = macsec_msdu_len(skb);
 	struct pcpu_tx_sc_stats *txsc_stats = this_cpu_ptr(tx_sc->stats);
 
 	u64_stats_update_begin(&txsc_stats->syncp);
 	if (tx_sc->encrypt) {
-		txsc_stats->stats.OutOctetsEncrypted += msdu_len;
+		txsc_stats->stats.OutOctetsEncrypted += skb->len;
 		txsc_stats->stats.OutPktsEncrypted++;
 		this_cpu_inc(tx_sa->stats->OutPktsEncrypted);
 	} else {
-		txsc_stats->stats.OutOctetsProtected += msdu_len;
+		txsc_stats->stats.OutOctetsProtected += skb->len;
 		txsc_stats->stats.OutPktsProtected++;
 		this_cpu_inc(tx_sa->stats->OutPktsProtected);
 	}
@@ -561,10 +538,9 @@
 	aead_request_free(macsec_skb_cb(skb)->req);
 
 	rcu_read_lock_bh();
-	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);
-	/* packet is encrypted/protected so tx_bytes must be calculated */
-	len = macsec_msdu_len(skb) + 2 * ETH_ALEN;
 	macsec_encrypt_finish(skb, dev);
+	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);
+	len = skb->len;
 	ret = dev_queue_xmit(skb);
 	count_tx(dev, ret, len);
 	rcu_read_unlock_bh();
@@ -723,7 +699,6 @@
 
 	macsec_skb_cb(skb)->req = req;
 	macsec_skb_cb(skb)->tx_sa = tx_sa;
-	macsec_skb_cb(skb)->has_sci = sci_present;
 	aead_request_set_callback(req, 0, macsec_encrypt_done, skb);
 
 	dev_hold(skb->dev);
@@ -765,17 +740,15 @@
 		u64_stats_update_begin(&rxsc_stats->syncp);
 		rxsc_stats->stats.InPktsLate++;
 		u64_stats_update_end(&rxsc_stats->syncp);
-		DEV_STATS_INC(secy->netdev, rx_dropped);
 		return false;
 	}
 
 	if (secy->validate_frames != MACSEC_VALIDATE_DISABLED) {
-		unsigned int msdu_len = macsec_msdu_len(skb);
 		u64_stats_update_begin(&rxsc_stats->syncp);
 		if (hdr->tci_an & MACSEC_TCI_E)
-			rxsc_stats->stats.InOctetsDecrypted += msdu_len;
+			rxsc_stats->stats.InOctetsDecrypted += skb->len;
 		else
-			rxsc_stats->stats.InOctetsValidated += msdu_len;
+			rxsc_stats->stats.InOctetsValidated += skb->len;
 		u64_stats_update_end(&rxsc_stats->syncp);
 	}
 
@@ -788,8 +761,6 @@
 			u64_stats_update_begin(&rxsc_stats->syncp);
 			rxsc_stats->stats.InPktsNotValid++;
 			u64_stats_update_end(&rxsc_stats->syncp);
-			this_cpu_inc(rx_sa->stats->InPktsNotValid);
-			DEV_STATS_INC(secy->netdev, rx_errors);
 			return false;
 		}
 
@@ -882,9 +853,9 @@
 
 	macsec_finalize_skb(skb, macsec->secy.icv_len,
 			    macsec_extra_len(macsec_skb_cb(skb)->has_sci));
-	len = skb->len;
 	macsec_reset_skb(skb, macsec->secy.netdev);
 
+	len = skb->len;
 	if (gro_cells_receive(&macsec->gro_cells, skb) == NET_RX_SUCCESS)
 		count_rx(dev, len);
 
@@ -1075,7 +1046,6 @@
 			u64_stats_update_begin(&secy_stats->syncp);
 			secy_stats->stats.InPktsNoTag++;
 			u64_stats_update_end(&secy_stats->syncp);
-			DEV_STATS_INC(macsec->secy.netdev, rx_dropped);
 			continue;
 		}
 
@@ -1185,7 +1155,6 @@
 		u64_stats_update_begin(&secy_stats->syncp);
 		secy_stats->stats.InPktsBadTag++;
 		u64_stats_update_end(&secy_stats->syncp);
-		DEV_STATS_INC(secy->netdev, rx_errors);
 		goto drop_nosa;
 	}
 
@@ -1196,15 +1165,11 @@
 		/* If validateFrames is Strict or the C bit in the
 		 * SecTAG is set, discard
 		 */
-		struct macsec_rx_sa *active_rx_sa = macsec_active_rxsa_get(rx_sc);
 		if (hdr->tci_an & MACSEC_TCI_C ||
 		    secy->validate_frames == MACSEC_VALIDATE_STRICT) {
 			u64_stats_update_begin(&rxsc_stats->syncp);
 			rxsc_stats->stats.InPktsNotUsingSA++;
 			u64_stats_update_end(&rxsc_stats->syncp);
-			DEV_STATS_INC(secy->netdev, rx_errors);
-			if (active_rx_sa)
-				this_cpu_inc(active_rx_sa->stats->InPktsNotUsingSA);
 			goto drop_nosa;
 		}
 
@@ -1214,8 +1179,6 @@
 		u64_stats_update_begin(&rxsc_stats->syncp);
 		rxsc_stats->stats.InPktsUnusedSA++;
 		u64_stats_update_end(&rxsc_stats->syncp);
-		if (active_rx_sa)
-			this_cpu_inc(active_rx_sa->stats->InPktsUnusedSA);
 		goto deliver;
 	}
 
@@ -1236,7 +1199,6 @@
 			u64_stats_update_begin(&rxsc_stats->syncp);
 			rxsc_stats->stats.InPktsLate++;
 			u64_stats_update_end(&rxsc_stats->syncp);
-			DEV_STATS_INC(macsec->secy.netdev, rx_dropped);
 			goto drop;
 		}
 	}
@@ -1265,7 +1227,6 @@
 deliver:
 	macsec_finalize_skb(skb, secy->icv_len,
 			    macsec_extra_len(macsec_skb_cb(skb)->has_sci));
-	len = skb->len;
 	macsec_reset_skb(skb, secy->netdev);
 
 	if (rx_sa)
@@ -1273,11 +1234,12 @@
 	macsec_rxsc_put(rx_sc);
 
 	skb_orphan(skb);
+	len = skb->len;
 	ret = gro_cells_receive(&macsec->gro_cells, skb);
 	if (ret == NET_RX_SUCCESS)
 		count_rx(dev, len);
 	else
-		DEV_STATS_INC(macsec->secy.netdev, rx_dropped);
+		macsec->secy.netdev->stats.rx_dropped++;
 
 	rcu_read_unlock();
 
@@ -1314,7 +1276,6 @@
 			u64_stats_update_begin(&secy_stats->syncp);
 			secy_stats->stats.InPktsNoSCI++;
 			u64_stats_update_end(&secy_stats->syncp);
-			DEV_STATS_INC(macsec->secy.netdev, rx_errors);
 			continue;
 		}
 
@@ -1333,7 +1294,7 @@
 			secy_stats->stats.InPktsUnknownSCI++;
 			u64_stats_update_end(&secy_stats->syncp);
 		} else {
-			DEV_STATS_INC(macsec->secy.netdev, rx_dropped);
+			macsec->secy.netdev->stats.rx_dropped++;
 		}
 	}
 
@@ -2414,7 +2375,6 @@
 
 		ctx.sa.assoc_num = assoc_num;
 		ctx.sa.tx_sa = tx_sa;
-		ctx.sa.update_pn = !!prev_pn.full64;
 		ctx.secy = secy;
 
 		ret = macsec_offload(ops->mdo_upd_txsa, &ctx);
@@ -2508,7 +2468,6 @@
 
 		ctx.sa.assoc_num = assoc_num;
 		ctx.sa.rx_sa = rx_sa;
-		ctx.sa.update_pn = !!prev_pn.full64;
 		ctx.secy = secy;
 
 		ret = macsec_offload(ops->mdo_upd_rxsa, &ctx);
@@ -3443,21 +3402,21 @@
 
 	if (!secy->operational) {
 		kfree_skb(skb);
-		DEV_STATS_INC(dev, tx_dropped);
+		dev->stats.tx_dropped++;
 		return NETDEV_TX_OK;
 	}
 
-	len = skb->len;
 	skb = macsec_encrypt(skb, dev);
 	if (IS_ERR(skb)) {
 		if (PTR_ERR(skb) != -EINPROGRESS)
-			DEV_STATS_INC(dev, tx_dropped);
+			dev->stats.tx_dropped++;
 		return NETDEV_TX_OK;
 	}
 
 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);
 
 	macsec_encrypt_finish(skb, dev);
+	len = skb->len;
 	ret = dev_queue_xmit(skb);
 	count_tx(dev, ret, len);
 	return ret;
@@ -3686,9 +3645,8 @@
 
 	dev_fetch_sw_netstats(s, dev->tstats);
 
-	s->rx_dropped = DEV_STATS_READ(dev, rx_dropped);
-	s->tx_dropped = DEV_STATS_READ(dev, tx_dropped);
-	s->rx_errors = DEV_STATS_READ(dev, rx_errors);
+	s->rx_dropped = dev->stats.rx_dropped;
+	s->tx_dropped = dev->stats.tx_dropped;
 }
 
 static int macsec_get_iflink(const struct net_device *dev)
diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c
index b254127..5bae47f 100644
--- a/drivers/net/mdio/of_mdio.c
+++ b/drivers/net/mdio/of_mdio.c
@@ -238,23 +238,21 @@
 EXPORT_SYMBOL(of_mdiobus_child_is_phy);
 
 /**
- * __of_mdiobus_register - Register mii_bus and create PHYs from the device tree
+ * of_mdiobus_register - Register mii_bus and create PHYs from the device tree
  * @mdio: pointer to mii_bus structure
  * @np: pointer to device_node of MDIO bus.
- * @owner: module owning the @mdio object.
  *
  * This function registers the mii_bus structure and registers a phy_device
  * for each child node of @np.
  */
-int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np,
-			  struct module *owner)
+int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 {
 	struct device_node *child;
 	bool scanphys = false;
 	int addr, rc;
 
 	if (!np)
-		return __mdiobus_register(mdio, owner);
+		return mdiobus_register(mdio);
 
 	/* Do not continue if the node is disabled */
 	if (!of_device_is_available(np))
@@ -274,7 +272,7 @@
 	of_property_read_u32(np, "reset-post-delay-us", &mdio->reset_post_delay_us);
 
 	/* Register the MDIO bus */
-	rc = __mdiobus_register(mdio, owner);
+	rc = mdiobus_register(mdio);
 	if (rc)
 		return rc;
 
@@ -338,7 +336,7 @@
 	mdiobus_unregister(mdio);
 	return rc;
 }
-EXPORT_SYMBOL(__of_mdiobus_register);
+EXPORT_SYMBOL(of_mdiobus_register);
 
 /**
  * of_mdio_find_device - Given a device tree node, find the mdio_device
diff --git a/drivers/net/phy/mdio_devres.c b/drivers/net/phy/mdio_devres.c
index 69b829e..b560e99 100644
--- a/drivers/net/phy/mdio_devres.c
+++ b/drivers/net/phy/mdio_devres.c
@@ -98,14 +98,13 @@
 
 #if IS_ENABLED(CONFIG_OF_MDIO)
 /**
- * __devm_of_mdiobus_register - Resource managed variant of of_mdiobus_register()
+ * devm_of_mdiobus_register - Resource managed variant of of_mdiobus_register()
  * @dev:	Device to register mii_bus for
  * @mdio:	MII bus structure to register
  * @np:		Device node to parse
- * @owner:	Owning module
  */
-int __devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
-			       struct device_node *np, struct module *owner)
+int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
+			     struct device_node *np)
 {
 	struct mdiobus_devres *dr;
 	int ret;
@@ -118,7 +117,7 @@
 	if (!dr)
 		return -ENOMEM;
 
-	ret = __of_mdiobus_register(mdio, np, owner);
+	ret = of_mdiobus_register(mdio, np);
 	if (ret) {
 		devres_free(dr);
 		return ret;
@@ -128,7 +127,7 @@
 	devres_add(dev, dr);
 	return 0;
 }
-EXPORT_SYMBOL(__devm_of_mdiobus_register);
+EXPORT_SYMBOL(devm_of_mdiobus_register);
 #endif /* CONFIG_OF_MDIO */
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c
index bec2707..c00eef4 100644
--- a/drivers/net/phy/mscc/mscc_macsec.c
+++ b/drivers/net/phy/mscc/mscc_macsec.c
@@ -880,9 +880,6 @@
 {
 	struct macsec_flow *flow;
 
-	if (ctx->sa.update_pn)
-		return -EINVAL;
-
 	flow = vsc8584_macsec_find_flow(ctx, MACSEC_INGR);
 	if (IS_ERR(flow))
 		return PTR_ERR(flow);
@@ -932,9 +929,6 @@
 {
 	struct macsec_flow *flow;
 
-	if (ctx->sa.update_pn)
-		return -EINVAL;
-
 	flow = vsc8584_macsec_find_flow(ctx, MACSEC_EGR);
 	if (IS_ERR(flow))
 		return PTR_ERR(flow);
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 57b1e6d..7345564 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1835,15 +1835,6 @@
 	uint32_t rx_speed = le32_to_cpu(data->DLBitRRate);
 	uint32_t tx_speed = le32_to_cpu(data->ULBitRate);
 
-	/* if the speed hasn't changed, don't report it.
-	 * RTL8156 shipped before 2021 sends notification about every 32ms.
-	 */
-	if (dev->rx_speed == rx_speed && dev->tx_speed == tx_speed)
-		return;
-
-	dev->rx_speed = rx_speed;
-	dev->tx_speed = tx_speed;
-
 	/*
 	 * Currently the USB-NET API does not support reporting the actual
 	 * device speed. Do print it instead.
@@ -1884,8 +1875,7 @@
 		 * USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be
 		 * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE.
 		 */
-		if (netif_carrier_ok(dev->net) != !!event->wValue)
-			usbnet_link_change(dev, !!event->wValue, 0);
+		usbnet_link_change(dev, !!event->wValue, 0);
 		break;
 
 	case USB_CDC_NOTIFY_SPEED_CHANGE:
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 2fd5d2b..61d83d5 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2621,6 +2621,9 @@
 	u64 offloads;
 	int err;
 
+	if (!vi->has_cvq)
+		return 0;
+
 	if ((dev->features ^ features) & NETIF_F_GRO_HW) {
 		if (vi->xdp_enabled)
 			return -EBUSY;
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index 713ca20fe..e0693cd 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -193,7 +193,7 @@
 	 */
 	while (skb_queue_len(&peer->staged_packet_queue) > MAX_STAGED_PACKETS) {
 		dev_kfree_skb(__skb_dequeue(&peer->staged_packet_queue));
-		DEV_STATS_INC(dev, tx_dropped);
+		++dev->stats.tx_dropped;
 	}
 	skb_queue_splice_tail(&packets, &peer->staged_packet_queue);
 	spin_unlock_bh(&peer->staged_packet_queue.lock);
@@ -211,7 +211,7 @@
 	else if (skb->protocol == htons(ETH_P_IPV6))
 		icmpv6_ndo_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0);
 err:
-	DEV_STATS_INC(dev, tx_errors);
+	++dev->stats.tx_errors;
 	kfree_skb(skb);
 	return ret;
 }
diff --git a/drivers/net/wireguard/queueing.h b/drivers/net/wireguard/queueing.h
index a2e702f..3c9e815 100644
--- a/drivers/net/wireguard/queueing.h
+++ b/drivers/net/wireguard/queueing.h
@@ -82,6 +82,17 @@
 	memset(&skb->headers_start, 0,
 	       offsetof(struct sk_buff, headers_end) -
 		       offsetof(struct sk_buff, headers_start));
+
+	/* ANDROID:
+	 * Due to attempts to keep the ABI stable for struct sk_buff, the new
+	 * fields were incorrectly added _AFTER_ the headers_end field, which
+	 * requires that we manually copy the fields here from the old to the
+	 * new one.
+	 * Be sure to add any new field that is added in the
+	 * ANDROID_KABI_REPLACE() macros below here as well.
+	 */
+	skb->scm_io_uring = 0;
+
 	if (encapsulating) {
 		skb->l4_hash = l4_hash;
 		skb->sw_hash = sw_hash;
diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index d38b243..f500aaf 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -423,20 +423,20 @@
 	net_dbg_skb_ratelimited("%s: Packet has unallowed src IP (%pISc) from peer %llu (%pISpfsc)\n",
 				dev->name, skb, peer->internal_id,
 				&peer->endpoint.addr);
-	DEV_STATS_INC(dev, rx_errors);
-	DEV_STATS_INC(dev, rx_frame_errors);
+	++dev->stats.rx_errors;
+	++dev->stats.rx_frame_errors;
 	goto packet_processed;
 dishonest_packet_type:
 	net_dbg_ratelimited("%s: Packet is neither ipv4 nor ipv6 from peer %llu (%pISpfsc)\n",
 			    dev->name, peer->internal_id, &peer->endpoint.addr);
-	DEV_STATS_INC(dev, rx_errors);
-	DEV_STATS_INC(dev, rx_frame_errors);
+	++dev->stats.rx_errors;
+	++dev->stats.rx_frame_errors;
 	goto packet_processed;
 dishonest_packet_size:
 	net_dbg_ratelimited("%s: Packet has incorrect size from peer %llu (%pISpfsc)\n",
 			    dev->name, peer->internal_id, &peer->endpoint.addr);
-	DEV_STATS_INC(dev, rx_errors);
-	DEV_STATS_INC(dev, rx_length_errors);
+	++dev->stats.rx_errors;
+	++dev->stats.rx_length_errors;
 	goto packet_processed;
 packet_processed:
 	dev_kfree_skb(skb);
diff --git a/drivers/net/wireguard/send.c b/drivers/net/wireguard/send.c
index 0d48e0f..95c853b 100644
--- a/drivers/net/wireguard/send.c
+++ b/drivers/net/wireguard/send.c
@@ -333,8 +333,7 @@
 void wg_packet_purge_staged_packets(struct wg_peer *peer)
 {
 	spin_lock_bh(&peer->staged_packet_queue.lock);
-	DEV_STATS_ADD(peer->device->dev, tx_dropped,
-		      peer->staged_packet_queue.qlen);
+	peer->device->dev->stats.tx_dropped += peer->staged_packet_queue.qlen;
 	__skb_queue_purge(&peer->staged_packet_queue);
 	spin_unlock_bh(&peer->staged_packet_queue.lock);
 }
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 0373586..6d15d7d 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -65,6 +65,10 @@
 module_param(support_p2p_device, bool, 0444);
 MODULE_PARM_DESC(support_p2p_device, "Support P2P-Device interface type");
 
+static ushort mac_prefix;
+module_param(mac_prefix, ushort, 0444);
+MODULE_PARM_DESC(mac_prefix, "Second and third most significant octets in MAC");
+
 /**
  * enum hwsim_regtest - the type of regulatory tests we offer
  *
@@ -3036,6 +3040,8 @@
 	if (!param->perm_addr) {
 		eth_zero_addr(addr);
 		addr[0] = 0x02;
+		addr[1] = (mac_prefix >> 8) & 0xFF;
+		addr[2] = mac_prefix & 0xFF;
 		addr[3] = idx >> 8;
 		addr[4] = idx;
 		memcpy(data->addresses[0].addr, addr, ETH_ALEN);
diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c
index 514f2c1..3cfd990 100644
--- a/drivers/net/wireless/virt_wifi.c
+++ b/drivers/net/wireless/virt_wifi.c
@@ -14,6 +14,7 @@
 #include <linux/etherdevice.h>
 #include <linux/math64.h>
 #include <linux/module.h>
+#include <net/virt_wifi.h>
 
 static struct wiphy *common_wiphy;
 
@@ -21,6 +22,7 @@
 	struct delayed_work scan_result;
 	struct cfg80211_scan_request *scan_request;
 	bool being_deleted;
+	struct virt_wifi_network_simulation *network_simulation;
 };
 
 static struct ieee80211_channel channel_2ghz = {
@@ -172,6 +174,9 @@
 
 	priv->scan_request = request;
 	schedule_delayed_work(&priv->scan_result, HZ * 2);
+	if (priv->network_simulation &&
+	    priv->network_simulation->notify_scan_trigger)
+		priv->network_simulation->notify_scan_trigger(wiphy, request);
 
 	return 0;
 }
@@ -187,6 +192,12 @@
 
 	virt_wifi_inform_bss(wiphy);
 
+	if(priv->network_simulation &&
+	   priv->network_simulation->generate_virt_scan_result) {
+		if(priv->network_simulation->generate_virt_scan_result(wiphy))
+			wiphy_err(wiphy, "Fail to generater the simulated scan result.\n");
+	}
+
 	/* Schedules work which acquires and releases the rtnl lock. */
 	cfg80211_scan_done(priv->scan_request, &scan_info);
 	priv->scan_request = NULL;
@@ -378,6 +389,8 @@
 	priv = wiphy_priv(wiphy);
 	priv->being_deleted = false;
 	priv->scan_request = NULL;
+	priv->network_simulation = NULL;
+
 	INIT_DELAYED_WORK(&priv->scan_result, virt_wifi_scan_result);
 
 	err = wiphy_register(wiphy);
@@ -393,7 +406,6 @@
 static void virt_wifi_destroy_wiphy(struct wiphy *wiphy)
 {
 	struct virt_wifi_wiphy_priv *priv;
-
 	WARN(!wiphy, "%s called with null wiphy", __func__);
 	if (!wiphy)
 		return;
@@ -427,8 +439,13 @@
 static int virt_wifi_net_device_open(struct net_device *dev)
 {
 	struct virt_wifi_netdev_priv *priv = netdev_priv(dev);
-
+	struct virt_wifi_wiphy_priv *w_priv;
 	priv->is_up = true;
+	w_priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
+	if(w_priv->network_simulation &&
+	   w_priv->network_simulation->notify_device_open)
+		w_priv->network_simulation->notify_device_open(dev);
+
 	return 0;
 }
 
@@ -436,16 +453,22 @@
 static int virt_wifi_net_device_stop(struct net_device *dev)
 {
 	struct virt_wifi_netdev_priv *n_priv = netdev_priv(dev);
+	struct virt_wifi_wiphy_priv *w_priv;
 
 	n_priv->is_up = false;
 
 	if (!dev->ieee80211_ptr)
 		return 0;
+	w_priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
 
 	virt_wifi_cancel_scan(dev->ieee80211_ptr->wiphy);
 	virt_wifi_cancel_connect(dev);
 	netif_carrier_off(dev);
 
+	if (w_priv->network_simulation &&
+	    w_priv->network_simulation->notify_device_stop)
+		w_priv->network_simulation->notify_device_stop(dev);
+
 	return 0;
 }
 
@@ -688,6 +711,27 @@
 	unregister_netdevice_notifier(&virt_wifi_notifier);
 }
 
+int virt_wifi_register_network_simulation
+	(struct virt_wifi_network_simulation *ops)
+{
+	struct virt_wifi_wiphy_priv *priv = wiphy_priv(common_wiphy);
+	if (priv->network_simulation)
+		return -EEXIST;
+	priv->network_simulation = ops;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(virt_wifi_register_network_simulation);
+
+int virt_wifi_unregister_network_simulation(void)
+{
+	struct virt_wifi_wiphy_priv *priv = wiphy_priv(common_wiphy);
+	if(!priv->network_simulation)
+		return -ENODATA;
+	priv->network_simulation = NULL;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(virt_wifi_unregister_network_simulation);
+
 module_init(virt_wifi_init_module);
 module_exit(virt_wifi_cleanup_module);
 
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 59109eb..0506a2e 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -1607,3 +1607,4 @@
 module_exit(nvmet_exit);
 
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index 6a9626f..d5beb38 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -185,7 +185,7 @@
 	}
 
 	bip = bio_integrity_alloc(bio, GFP_NOIO,
-		min_t(unsigned int, req->metadata_sg_cnt, BIO_MAX_PAGES));
+					bio_max_segs(req->metadata_sg_cnt));
 	if (IS_ERR(bip)) {
 		pr_err("Unable to allocate bio_integrity_payload\n");
 		return PTR_ERR(bip);
@@ -225,7 +225,7 @@
 
 static void nvmet_bdev_execute_rw(struct nvmet_req *req)
 {
-	int sg_cnt = req->sg_cnt;
+	unsigned int sg_cnt = req->sg_cnt;
 	struct bio *bio;
 	struct scatterlist *sg;
 	struct blk_plug plug;
@@ -262,7 +262,7 @@
 		bio = &req->b.inline_bio;
 		bio_init(bio, req->inline_bvec, ARRAY_SIZE(req->inline_bvec));
 	} else {
-		bio = bio_alloc(GFP_KERNEL, min(sg_cnt, BIO_MAX_PAGES));
+		bio = bio_alloc(GFP_KERNEL, bio_max_segs(sg_cnt));
 	}
 	bio_set_dev(bio, req->ns->bdev);
 	bio->bi_iter.bi_sector = sector;
@@ -289,7 +289,7 @@
 				}
 			}
 
-			bio = bio_alloc(GFP_KERNEL, min(sg_cnt, BIO_MAX_PAGES));
+			bio = bio_alloc(GFP_KERNEL, bio_max_segs(sg_cnt));
 			bio_set_dev(bio, req->ns->bdev);
 			bio->bi_iter.bi_sector = sector;
 			bio->bi_opf = op;
diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c
index f76d010..0ccbd2e 100644
--- a/drivers/nvme/target/passthru.c
+++ b/drivers/nvme/target/passthru.c
@@ -26,7 +26,7 @@
 	struct nvme_ctrl *pctrl = ctrl->subsys->passthru_ctrl;
 	u16 status = NVME_SC_SUCCESS;
 	struct nvme_id_ctrl *id;
-	int max_hw_sectors;
+	unsigned int max_hw_sectors;
 	int page_shift;
 
 	id = kzalloc(sizeof(*id), GFP_KERNEL);
@@ -200,7 +200,7 @@
 	else if (nvme_is_write(req->cmd))
 		op_flags = REQ_SYNC | REQ_IDLE;
 
-	bio = bio_alloc(GFP_KERNEL, req->sg_cnt);
+	bio = bio_alloc(GFP_KERNEL, bio_max_segs(req->sg_cnt));
 	bio->bi_end_io = bio_put;
 	bio->bi_opf = req_op(rq) | op_flags;
 
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 1505c74..1c17c5d 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -627,19 +627,16 @@
 
 	nvmem->id = rval;
 
-	nvmem->dev.type = &nvmem_provider_type;
-	nvmem->dev.bus = &nvmem_bus_type;
-	nvmem->dev.parent = config->dev;
-
-	device_initialize(&nvmem->dev);
-
-	if (!config->ignore_wp)
+	if (config->wp_gpio)
+		nvmem->wp_gpio = config->wp_gpio;
+	else
 		nvmem->wp_gpio = gpiod_get_optional(config->dev, "wp",
 						    GPIOD_OUT_HIGH);
 	if (IS_ERR(nvmem->wp_gpio)) {
+		ida_free(&nvmem_ida, nvmem->id);
 		rval = PTR_ERR(nvmem->wp_gpio);
-		nvmem->wp_gpio = NULL;
-		goto err_put_device;
+		kfree(nvmem);
+		return ERR_PTR(rval);
 	}
 
 	kref_init(&nvmem->refcnt);
@@ -651,6 +648,9 @@
 	nvmem->stride = config->stride ?: 1;
 	nvmem->word_size = config->word_size ?: 1;
 	nvmem->size = config->size;
+	nvmem->dev.type = &nvmem_provider_type;
+	nvmem->dev.bus = &nvmem_bus_type;
+	nvmem->dev.parent = config->dev;
 	nvmem->root_only = config->root_only;
 	nvmem->priv = config->priv;
 	nvmem->type = config->type;
@@ -673,8 +673,11 @@
 		break;
 	}
 
-	if (rval)
-		goto err_put_device;
+	if (rval) {
+		ida_free(&nvmem_ida, nvmem->id);
+		kfree(nvmem);
+		return ERR_PTR(rval);
+	}
 
 	nvmem->read_only = device_property_present(config->dev, "read-only") ||
 			   config->read_only || !nvmem->reg_write;
@@ -683,10 +686,16 @@
 	nvmem->dev.groups = nvmem_dev_groups;
 #endif
 
+	dev_dbg(&nvmem->dev, "Registering nvmem device %s\n", config->name);
+
+	rval = device_register(&nvmem->dev);
+	if (rval)
+		goto err_put_device;
+
 	if (config->compat) {
 		rval = nvmem_sysfs_setup_compat(nvmem, config);
 		if (rval)
-			goto err_put_device;
+			goto err_device_del;
 	}
 
 	if (config->cells) {
@@ -703,12 +712,6 @@
 	if (rval)
 		goto err_remove_cells;
 
-	dev_dbg(&nvmem->dev, "Registering nvmem device %s\n", config->name);
-
-	rval = device_add(&nvmem->dev);
-	if (rval)
-		goto err_remove_cells;
-
 	blocking_notifier_call_chain(&nvmem_notifier, NVMEM_ADD, nvmem);
 
 	return nvmem;
@@ -717,6 +720,8 @@
 	nvmem_device_remove_all_cells(nvmem);
 	if (config->compat)
 		nvmem_sysfs_remove_compat(nvmem, config);
+err_device_del:
+	device_del(&nvmem->dev);
 err_put_device:
 	put_device(&nvmem->dev);
 
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 0e42888..0d4b92b 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1827,6 +1827,7 @@
 
 	return rc;
 }
+EXPORT_SYMBOL_GPL(of_add_property);
 
 int __of_remove_property(struct device_node *np, struct property *prop)
 {
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 3a54779..51db576 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -5,6 +5,7 @@
 #include <linux/of_device.h>
 #include <linux/of_address.h>
 #include <linux/of_iommu.h>
+#include <linux/of_reserved_mem.h>
 #include <linux/dma-direct.h> /* for bus_dma_region */
 #include <linux/dma-map-ops.h>
 #include <linux/init.h>
@@ -73,6 +74,49 @@
 	return device_add(&ofdev->dev);
 }
 
+static void
+of_dma_set_restricted_buffer(struct device *dev, struct device_node *np)
+{
+	struct device_node *node, *of_node = dev->of_node;
+	int count, i;
+
+	if (!IS_ENABLED(CONFIG_DMA_RESTRICTED_POOL))
+		return;
+
+	count = of_property_count_elems_of_size(of_node, "memory-region",
+						sizeof(u32));
+	/*
+	 * If dev->of_node doesn't exist or doesn't contain memory-region, try
+	 * the OF node having DMA configuration.
+	 */
+	if (count <= 0) {
+		of_node = np;
+		count = of_property_count_elems_of_size(
+			of_node, "memory-region", sizeof(u32));
+	}
+
+	for (i = 0; i < count; i++) {
+		node = of_parse_phandle(of_node, "memory-region", i);
+		/*
+		 * There might be multiple memory regions, but only one
+		 * restricted-dma-pool region is allowed.
+		 */
+		if (of_device_is_compatible(node, "restricted-dma-pool") &&
+		    of_device_is_available(node)) {
+			of_node_put(node);
+			break;
+		}
+		of_node_put(node);
+	}
+
+	/*
+	 * Attempt to initialize a restricted-dma-pool region if one was found.
+	 * Note that count can hold a negative error code.
+	 */
+	if (i < count && of_reserved_mem_device_init_by_idx(dev, of_node, i))
+		dev_warn(dev, "failed to initialise \"restricted-dma-pool\" memory node\n");
+}
+
 /**
  * of_dma_configure - Setup DMA configuration
  * @dev:	Device to apply DMA configuration
@@ -186,6 +230,9 @@
 
 	arch_setup_dma_ops(dev, dma_start, size, iommu, coherent);
 
+	if (!iommu)
+		of_dma_set_restricted_buffer(dev, np);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(of_dma_configure_id);
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index b6a3ee6..ee85747 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -357,6 +357,7 @@
 
 	property_list_free(node->properties);
 	property_list_free(node->deadprops);
+	fwnode_links_purge(of_fwnode_handle(node));
 
 	kfree(node->full_name);
 	kfree(node->data);
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 384510d..567ca2b 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1035,43 +1035,67 @@
 	return 0;
 }
 
+/*
+ * Convert configs to something easy to use in C code
+ */
+#if defined(CONFIG_CMDLINE_FORCE)
+static const int overwrite_incoming_cmdline = 1;
+static const int read_dt_cmdline;
+static const int concat_cmdline;
+#elif defined(CONFIG_CMDLINE_EXTEND)
+static const int overwrite_incoming_cmdline;
+static const int read_dt_cmdline = 1;
+static const int concat_cmdline = 1;
+#else /* CMDLINE_FROM_BOOTLOADER */
+static const int overwrite_incoming_cmdline;
+static const int read_dt_cmdline = 1;
+static const int concat_cmdline;
+#endif
+
+#ifdef CONFIG_CMDLINE
+static const char *config_cmdline = CONFIG_CMDLINE;
+#else
+static const char *config_cmdline = "";
+#endif
+
 int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 				     int depth, void *data)
 {
-	int l;
-	const char *p;
+	int l = 0;
+	const char *p = NULL;
 	const void *rng_seed;
+	char *cmdline = data;
 
 	pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
 
-	if (depth != 1 || !data ||
+	if (depth != 1 || !cmdline ||
 	    (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
 		return 0;
 
 	early_init_dt_check_for_initrd(node);
 
-	/* Retrieve command line */
-	p = of_get_flat_dt_prop(node, "bootargs", &l);
-	if (p != NULL && l > 0)
-		strlcpy(data, p, min(l, COMMAND_LINE_SIZE));
+	/* Put CONFIG_CMDLINE in if forced or if data had nothing in it to start */
+	if (overwrite_incoming_cmdline || !cmdline[0])
+		strlcpy(cmdline, config_cmdline, COMMAND_LINE_SIZE);
 
-	/*
-	 * CONFIG_CMDLINE is meant to be a default in case nothing else
-	 * managed to set the command line, unless CONFIG_CMDLINE_FORCE
-	 * is set in which case we override whatever was found earlier.
-	 */
-#ifdef CONFIG_CMDLINE
-#if defined(CONFIG_CMDLINE_EXTEND)
-	strlcat(data, " ", COMMAND_LINE_SIZE);
-	strlcat(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#elif defined(CONFIG_CMDLINE_FORCE)
-	strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#else
-	/* No arguments from boot loader, use kernel's  cmdl*/
-	if (!((char *)data)[0])
-		strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#endif
-#endif /* CONFIG_CMDLINE */
+	/* Retrieve command line unless forcing */
+	if (read_dt_cmdline)
+		p = of_get_flat_dt_prop(node, "bootargs", &l);
+
+	if (p != NULL && l > 0) {
+		if (concat_cmdline) {
+			int cmdline_len;
+			int copy_len;
+			strlcat(cmdline, " ", COMMAND_LINE_SIZE);
+			cmdline_len = strlen(cmdline);
+			copy_len = COMMAND_LINE_SIZE - cmdline_len - 1;
+			copy_len = min((int)l, copy_len);
+			strncpy(cmdline + cmdline_len, p, copy_len);
+			cmdline[cmdline_len + copy_len] = '\0';
+		} else {
+			strlcpy(cmdline, p, min(l, COMMAND_LINE_SIZE));
+		}
+	}
 
 	pr_debug("Command line is: %s\n", (char *)data);
 
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 6c95bbd..2c07b7c 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -276,6 +276,16 @@
 				memblock_free(rmem->base, rmem->size);
 				if (nomap)
 					memblock_add(rmem->base, rmem->size);
+			} else {
+				phys_addr_t end = rmem->base + rmem->size - 1;
+				bool reusable =
+					(of_get_flat_dt_prop(node, "reusable", NULL)) != NULL;
+
+				pr_info("%pa..%pa (%lu KiB) %s %s %s\n",
+					&rmem->base, &end, (unsigned long)(rmem->size / SZ_1K),
+					nomap ? "nomap" : "map",
+					reusable ? "reusable" : "non-reusable",
+					rmem->name ? rmem->name : "unknown");
 			}
 		}
 	}
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 43748c6..bac6e6a 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -511,6 +511,7 @@
 	{ .compatible = "qcom,rmtfs-mem" },
 	{ .compatible = "qcom,cmd-db" },
 	{ .compatible = "ramoops" },
+	{ .compatible = "google,open-dice" },
 	{}
 };
 
@@ -538,9 +539,7 @@
 	}
 
 	/* Populate everything else. */
-	fw_devlink_pause();
 	of_platform_default_populate(NULL, NULL, NULL);
-	fw_devlink_resume();
 
 	return 0;
 }
diff --git a/drivers/of/property.c b/drivers/of/property.c
index a411460..7bd8653 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -24,6 +24,7 @@
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_graph.h>
+#include <linux/of_irq.h>
 #include <linux/string.h>
 #include <linux/moduleparam.h>
 
@@ -1058,33 +1059,9 @@
 }
 
 /**
- * of_get_next_parent_dev - Add device link to supplier from supplier phandle
- * @np: device tree node
- *
- * Given a device tree node (@np), this function finds its closest ancestor
- * device tree node that has a corresponding struct device.
- *
- * The caller of this function is expected to call put_device() on the returned
- * device when they are done.
- */
-static struct device *of_get_next_parent_dev(struct device_node *np)
-{
-	struct device *dev = NULL;
-
-	of_node_get(np);
-	do {
-		np = of_get_next_parent(np);
-		if (np)
-			dev = get_dev_from_fwnode(&np->fwnode);
-	} while (np && !dev);
-	of_node_put(np);
-	return dev;
-}
-
-/**
- * of_link_to_phandle - Add device link to supplier from supplier phandle
- * @dev: consumer device
- * @sup_np: phandle to supplier device tree node
+ * of_link_to_phandle - Add fwnode link to supplier from supplier phandle
+ * @con_np: consumer device tree node
+ * @sup_np: supplier device tree node
  *
  * Given a phandle to a supplier device tree node (@sup_np), this function
  * finds the device that owns the supplier device tree node and creates a
@@ -1094,16 +1071,14 @@
  * cases, it returns an error.
  *
  * Returns:
- * - 0 if link successfully created to supplier
- * - -EAGAIN if linking to the supplier should be reattempted
+ * - 0 if fwnode link successfully created to supplier
  * - -EINVAL if the supplier link is invalid and should not be created
- * - -ENODEV if there is no device that corresponds to the supplier phandle
+ * - -ENODEV if struct device will never be create for supplier
  */
-static int of_link_to_phandle(struct device *dev, struct device_node *sup_np,
-			      u32 dl_flags)
+static int of_link_to_phandle(struct device_node *con_np,
+			      struct device_node *sup_np)
 {
-	struct device *sup_dev, *sup_par_dev;
-	int ret = 0;
+	struct device *sup_dev;
 	struct device_node *tmp_np = sup_np;
 
 	of_node_get(sup_np);
@@ -1126,7 +1101,8 @@
 	}
 
 	if (!sup_np) {
-		dev_dbg(dev, "Not linking to %pOFP - No device\n", tmp_np);
+		pr_debug("Not linking %pOFP to %pOFP - No device\n",
+			 con_np, tmp_np);
 		return -ENODEV;
 	}
 
@@ -1135,53 +1111,32 @@
 	 * descendant nodes. By definition, a child node can't be a functional
 	 * dependency for the parent node.
 	 */
-	if (of_is_ancestor_of(dev->of_node, sup_np)) {
-		dev_dbg(dev, "Not linking to %pOFP - is descendant\n", sup_np);
+	if (of_is_ancestor_of(con_np, sup_np)) {
+		pr_debug("Not linking %pOFP to %pOFP - is descendant\n",
+			 con_np, sup_np);
 		of_node_put(sup_np);
 		return -EINVAL;
 	}
+
+	/*
+	 * Don't create links to "early devices" that won't have struct devices
+	 * created for them.
+	 */
 	sup_dev = get_dev_from_fwnode(&sup_np->fwnode);
-	if (!sup_dev && of_node_check_flag(sup_np, OF_POPULATED)) {
-		/* Early device without struct device. */
-		dev_dbg(dev, "Not linking to %pOFP - No struct device\n",
-			sup_np);
+	if (!sup_dev &&
+	    (of_node_check_flag(sup_np, OF_POPULATED) ||
+	     sup_np->fwnode.flags & FWNODE_FLAG_NOT_DEVICE)) {
+		pr_debug("Not linking %pOFP to %pOFP - No struct device\n",
+			 con_np, sup_np);
 		of_node_put(sup_np);
 		return -ENODEV;
-	} else if (!sup_dev) {
-		/*
-		 * DL_FLAG_SYNC_STATE_ONLY doesn't block probing and supports
-		 * cycles. So cycle detection isn't necessary and shouldn't be
-		 * done.
-		 */
-		if (dl_flags & DL_FLAG_SYNC_STATE_ONLY) {
-			of_node_put(sup_np);
-			return -EAGAIN;
-		}
-
-		sup_par_dev = of_get_next_parent_dev(sup_np);
-
-		if (sup_par_dev && device_is_dependent(dev, sup_par_dev)) {
-			/* Cyclic dependency detected, don't try to link */
-			dev_dbg(dev, "Not linking to %pOFP - cycle detected\n",
-				sup_np);
-			ret = -EINVAL;
-		} else {
-			/*
-			 * Can't check for cycles or no cycles. So let's try
-			 * again later.
-			 */
-			ret = -EAGAIN;
-		}
-
-		of_node_put(sup_np);
-		put_device(sup_par_dev);
-		return ret;
 	}
-	of_node_put(sup_np);
-	if (!device_link_add(dev, sup_dev, dl_flags))
-		ret = -EINVAL;
 	put_device(sup_dev);
-	return ret;
+
+	fwnode_link_add(of_fwnode_handle(con_np), of_fwnode_handle(sup_np));
+	of_node_put(sup_np);
+
+	return 0;
 }
 
 /**
@@ -1300,6 +1255,7 @@
 struct supplier_bindings {
 	struct device_node *(*parse_prop)(struct device_node *np,
 					  const char *prop_name, int index);
+	bool optional;
 };
 
 DEFINE_SIMPLE_PROP(clocks, "clocks", "#clock-cells")
@@ -1312,8 +1268,6 @@
 DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
 DEFINE_SIMPLE_PROP(hwlocks, "hwlocks", "#hwlock-cells")
 DEFINE_SIMPLE_PROP(extcon, "extcon", NULL)
-DEFINE_SIMPLE_PROP(interrupts_extended, "interrupts-extended",
-					"#interrupt-cells")
 DEFINE_SIMPLE_PROP(nvmem_cells, "nvmem-cells", NULL)
 DEFINE_SIMPLE_PROP(phys, "phys", "#phy-cells")
 DEFINE_SIMPLE_PROP(wakeup_parent, "wakeup-parent", NULL)
@@ -1326,6 +1280,8 @@
 DEFINE_SIMPLE_PROP(pinctrl6, "pinctrl-6", NULL)
 DEFINE_SIMPLE_PROP(pinctrl7, "pinctrl-7", NULL)
 DEFINE_SIMPLE_PROP(pinctrl8, "pinctrl-8", NULL)
+DEFINE_SIMPLE_PROP(leds, "leds", NULL)
+DEFINE_SIMPLE_PROP(backlight, "backlight", NULL)
 DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
 DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
 
@@ -1348,19 +1304,55 @@
 	return of_parse_phandle(np, prop_name, (index * 4) + 1);
 }
 
+static struct device_node *parse_gpio_compat(struct device_node *np,
+					     const char *prop_name, int index)
+{
+	struct of_phandle_args sup_args;
+
+	if (strcmp(prop_name, "gpio") && strcmp(prop_name, "gpios"))
+		return NULL;
+
+	/*
+	 * Ignore node with gpio-hog property since its gpios are all provided
+	 * by its parent.
+	 */
+	if (of_find_property(np, "gpio-hog", NULL))
+		return NULL;
+
+	if (of_parse_phandle_with_args(np, prop_name, "#gpio-cells", index,
+				       &sup_args))
+		return NULL;
+
+	return sup_args.np;
+}
+
+static struct device_node *parse_interrupts(struct device_node *np,
+					    const char *prop_name, int index)
+{
+	struct of_phandle_args sup_args;
+
+	if (!IS_ENABLED(CONFIG_OF_IRQ) || IS_ENABLED(CONFIG_PPC))
+		return NULL;
+
+	if (strcmp(prop_name, "interrupts") &&
+	    strcmp(prop_name, "interrupts-extended"))
+		return NULL;
+
+	return of_irq_parse_one(np, index, &sup_args) ? NULL : sup_args.np;
+}
+
 static const struct supplier_bindings of_supplier_bindings[] = {
 	{ .parse_prop = parse_clocks, },
 	{ .parse_prop = parse_interconnects, },
-	{ .parse_prop = parse_iommus, },
-	{ .parse_prop = parse_iommu_maps, },
+	{ .parse_prop = parse_iommus, .optional = true, },
+	{ .parse_prop = parse_iommu_maps, .optional = true, },
 	{ .parse_prop = parse_mboxes, },
 	{ .parse_prop = parse_io_channels, },
 	{ .parse_prop = parse_interrupt_parent, },
-	{ .parse_prop = parse_dmas, },
+	{ .parse_prop = parse_dmas, .optional = true, },
 	{ .parse_prop = parse_power_domains, },
 	{ .parse_prop = parse_hwlocks, },
 	{ .parse_prop = parse_extcon, },
-	{ .parse_prop = parse_interrupts_extended, },
 	{ .parse_prop = parse_nvmem_cells, },
 	{ .parse_prop = parse_phys, },
 	{ .parse_prop = parse_wakeup_parent, },
@@ -1373,6 +1365,10 @@
 	{ .parse_prop = parse_pinctrl6, },
 	{ .parse_prop = parse_pinctrl7, },
 	{ .parse_prop = parse_pinctrl8, },
+	{ .parse_prop = parse_leds, },
+	{ .parse_prop = parse_backlight, },
+	{ .parse_prop = parse_gpio_compat, },
+	{ .parse_prop = parse_interrupts, },
 	{ .parse_prop = parse_regulators, },
 	{ .parse_prop = parse_gpio, },
 	{ .parse_prop = parse_gpios, },
@@ -1390,37 +1386,34 @@
  * that list phandles to suppliers. If @prop_name isn't one, this function
  * doesn't do anything.
  *
- * If @prop_name is one, this function attempts to create device links from the
- * consumer device @dev to all the devices of the suppliers listed in
- * @prop_name.
+ * If @prop_name is one, this function attempts to create fwnode links from the
+ * consumer device tree node @con_np to all the suppliers device tree nodes
+ * listed in @prop_name.
  *
- * Any failed attempt to create a device link will NOT result in an immediate
+ * Any failed attempt to create a fwnode link will NOT result in an immediate
  * return.  of_link_property() must create links to all the available supplier
- * devices even when attempts to create a link to one or more suppliers fail.
+ * device tree nodes even when attempts to create a link to one or more
+ * suppliers fail.
  */
-static int of_link_property(struct device *dev, struct device_node *con_np,
-			     const char *prop_name)
+static int of_link_property(struct device_node *con_np, const char *prop_name)
 {
 	struct device_node *phandle;
 	const struct supplier_bindings *s = of_supplier_bindings;
 	unsigned int i = 0;
 	bool matched = false;
 	int ret = 0;
-	u32 dl_flags;
-
-	if (dev->of_node == con_np)
-		dl_flags = fw_devlink_get_flags();
-	else
-		dl_flags = DL_FLAG_SYNC_STATE_ONLY;
 
 	/* Do not stop at first failed link, link all available suppliers. */
 	while (!matched && s->parse_prop) {
+		if (s->optional && !fw_devlink_is_strict()) {
+			s++;
+			continue;
+		}
+
 		while ((phandle = s->parse_prop(con_np, prop_name, i))) {
 			matched = true;
 			i++;
-			if (of_link_to_phandle(dev, phandle, dl_flags)
-								== -EAGAIN)
-				ret = -EAGAIN;
+			of_link_to_phandle(con_np, phandle);
 			of_node_put(phandle);
 		}
 		s++;
@@ -1428,31 +1421,18 @@
 	return ret;
 }
 
-static int of_link_to_suppliers(struct device *dev,
-				  struct device_node *con_np)
+static int of_fwnode_add_links(struct fwnode_handle *fwnode)
 {
-	struct device_node *child;
 	struct property *p;
-	int ret = 0;
+	struct device_node *con_np = to_of_node(fwnode);
+
+	if (!con_np)
+		return -EINVAL;
 
 	for_each_property_of_node(con_np, p)
-		if (of_link_property(dev, con_np, p->name))
-			ret = -ENODEV;
+		of_link_property(con_np, p->name);
 
-	for_each_available_child_of_node(con_np, child)
-		if (of_link_to_suppliers(dev, child) && !ret)
-			ret = -EAGAIN;
-
-	return ret;
-}
-
-static int of_fwnode_add_links(const struct fwnode_handle *fwnode,
-			       struct device *dev)
-{
-	if (unlikely(!is_of_node(fwnode)))
-		return 0;
-
-	return of_link_to_suppliers(dev, to_of_node(fwnode));
+	return 0;
 }
 
 const struct fwnode_operations of_fwnode_ops = {
diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 3d7adc0..b163f5d 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -1328,7 +1328,7 @@
 		goto failed;
 	}
 
-	ret = em_dev_register_perf_domain(dev, nr_opp, &em_cb, cpus);
+	ret = em_dev_register_perf_domain(dev, nr_opp, &em_cb, cpus, true);
 	if (ret)
 		goto failed;
 
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 8d0d1f6..4693569 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -160,12 +160,9 @@
 	 * write happen to have any RW1C (write-one-to-clear) bits set, we
 	 * just inadvertently cleared something we shouldn't have.
 	 */
-	if (!bus->unsafe_warn) {
-		dev_warn(&bus->dev, "%d-byte config write to %04x:%02x:%02x.%d offset %#x may corrupt adjacent RW1C bits\n",
-			 size, pci_domain_nr(bus), bus->number,
-			 PCI_SLOT(devfn), PCI_FUNC(devfn), where);
-		bus->unsafe_warn = 1;
-	}
+	dev_warn_ratelimited(&bus->dev, "%d-byte config write to %04x:%02x:%02x.%d offset %#x may corrupt adjacent RW1C bits\n",
+			     size, pci_domain_nr(bus), bus->number,
+			     PCI_SLOT(devfn), PCI_FUNC(devfn), where);
 
 	mask = ~(((1 << (size * 8)) - 1) << ((where & 0x3) * 8));
 	tmp = readl(addr) & mask;
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
index 64e2f5e..049c600 100644
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -41,7 +41,6 @@
 	bool "NVIDIA Tegra PCIe controller"
 	depends on ARCH_TEGRA || COMPILE_TEST
 	depends on PCI_MSI_IRQ_DOMAIN
-	select PCI_MSI_ARCH_FALLBACKS
 	help
 	  Say Y here if you want support for the PCIe host controller found
 	  on NVIDIA Tegra SoCs.
@@ -68,7 +67,6 @@
 	bool "Renesas R-Car PCIe host controller"
 	depends on ARCH_RENESAS || COMPILE_TEST
 	depends on PCI_MSI_IRQ_DOMAIN
-	select PCI_MSI_ARCH_FALLBACKS
 	help
 	  Say Y here if you want PCIe controller support on R-Car SoCs in host
 	  mode.
@@ -97,7 +95,7 @@
 config PCIE_XILINX
 	bool "Xilinx AXI PCIe host bridge support"
 	depends on OF || COMPILE_TEST
-	select PCI_MSI_ARCH_FALLBACKS
+	depends on PCI_MSI_IRQ_DOMAIN
 	help
 	  Say 'Y' here if you want kernel to support the Xilinx AXI PCIe
 	  Host Bridge driver.
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 95ed719..a483b2b 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -123,6 +123,7 @@
 
 	return __dw_pcie_ep_find_next_cap(ep, func_no, next_cap_ptr, cap);
 }
+EXPORT_SYMBOL_GPL(dw_pcie_ep_reset_bar);
 
 static int dw_pcie_ep_write_header(struct pci_epc *epc, u8 func_no,
 				   struct pci_epf_header *hdr)
@@ -485,6 +486,7 @@
 
 	return -EINVAL;
 }
+EXPORT_SYMBOL_GPL(dw_pcie_ep_raise_legacy_irq);
 
 int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
 			     u8 interrupt_num)
@@ -536,6 +538,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(dw_pcie_ep_raise_msi_irq);
 
 int dw_pcie_ep_raise_msix_irq_doorbell(struct dw_pcie_ep *ep, u8 func_no,
 				       u16 interrupt_num)
@@ -604,6 +607,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(dw_pcie_ep_raise_msix_irq);
 
 void dw_pcie_ep_exit(struct dw_pcie_ep *ep)
 {
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 42d8116..9f0bfdb 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -84,6 +84,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(dw_handle_msi_irq);
 
 /* Chained MSI interrupt service routine */
 static void dw_chained_msi_isr(struct irq_desc *desc)
@@ -465,9 +466,7 @@
 		type = PCIE_ATU_TYPE_CFG1;
 
 
-	dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX1,
-				  type, pp->cfg0_base,
-				  busdev, pp->cfg0_size);
+	dw_pcie_prog_outbound_atu(pci, 0, type, pp->cfg0_base, busdev, pp->cfg0_size);
 
 	return pp->va_cfg0_base + where;
 }
@@ -481,9 +480,9 @@
 
 	ret = pci_generic_config_read(bus, devfn, where, size, val);
 
-	if (!ret && pci->num_viewport <= 2)
-		dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX1,
-					  PCIE_ATU_TYPE_IO, pp->io_base,
+	if (!ret && ((pci->num_viewport <= 2) ||
+		     (pci->iatu_unroll_enabled & DWC_IATU_IOCFG_SHARED)))
+		dw_pcie_prog_outbound_atu(pci, 0, PCIE_ATU_TYPE_IO, pp->io_base,
 					  pp->io_bus_addr, pp->io_size);
 
 	return ret;
@@ -498,9 +497,9 @@
 
 	ret = pci_generic_config_write(bus, devfn, where, size, val);
 
-	if (!ret && pci->num_viewport <= 2)
-		dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX1,
-					  PCIE_ATU_TYPE_IO, pp->io_base,
+	if (!ret && ((pci->num_viewport <= 2) ||
+		     (pci->iatu_unroll_enabled & DWC_IATU_IOCFG_SHARED)))
+		dw_pcie_prog_outbound_atu(pci, 0, PCIE_ATU_TYPE_IO, pp->io_base,
 					  pp->io_bus_addr, pp->io_size);
 
 	return ret;
@@ -587,21 +586,33 @@
 	 * ATU, so we should not program the ATU here.
 	 */
 	if (pp->bridge->child_ops == &dw_child_pcie_ops) {
-		struct resource_entry *tmp, *entry = NULL;
+		int atu_idx = 0;
+		struct resource_entry *entry;
 
 		/* Get last memory resource entry */
-		resource_list_for_each_entry(tmp, &pp->bridge->windows)
-			if (resource_type(tmp->res) == IORESOURCE_MEM)
-				entry = tmp;
+		resource_list_for_each_entry(entry, &pp->bridge->windows) {
+			if (resource_type(entry->res) != IORESOURCE_MEM)
+				continue;
 
-		dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX0,
-					  PCIE_ATU_TYPE_MEM, entry->res->start,
-					  entry->res->start - entry->offset,
-					  resource_size(entry->res));
-		if (pci->num_viewport > 2)
-			dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX2,
-						  PCIE_ATU_TYPE_IO, pp->io_base,
-						  pp->io_bus_addr, pp->io_size);
+			if (pci->num_viewport <= ++atu_idx)
+				break;
+
+			dw_pcie_prog_outbound_atu(pci, atu_idx,
+						  PCIE_ATU_TYPE_MEM, entry->res->start,
+						  entry->res->start - entry->offset,
+						  resource_size(entry->res));
+		}
+
+		if (pp->io_size) {
+			if (pci->num_viewport > ++atu_idx)
+				dw_pcie_prog_outbound_atu(pci, atu_idx,
+							  PCIE_ATU_TYPE_IO, pp->io_base,
+							  pp->io_bus_addr, pp->io_size);
+		}
+
+		if (pci->num_viewport <= atu_idx)
+			dev_warn(pci->dev, "Resources exceed number of ATU entries (%d)",
+				 pci->num_viewport);
 	}
 
 	dw_pcie_writel_dbi(pci, PCI_BASE_ADDRESS_0, 0);
diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
index 2894535..41585ea 100644
--- a/drivers/pci/controller/dwc/pcie-designware.c
+++ b/drivers/pci/controller/dwc/pcie-designware.c
@@ -274,7 +274,7 @@
 	if (pci->ops->cpu_addr_fixup)
 		cpu_addr = pci->ops->cpu_addr_fixup(pci, cpu_addr);
 
-	if (pci->iatu_unroll_enabled) {
+	if (pci->iatu_unroll_enabled & DWC_IATU_UNROLL_EN) {
 		dw_pcie_prog_outbound_atu_unroll(pci, func_no, index, type,
 						 cpu_addr, pci_addr, size);
 		return;
@@ -394,7 +394,7 @@
 	int type;
 	u32 retries, val;
 
-	if (pci->iatu_unroll_enabled)
+	if (pci->iatu_unroll_enabled & DWC_IATU_UNROLL_EN)
 		return dw_pcie_prog_inbound_atu_unroll(pci, func_no, index, bar,
 						       cpu_addr, as_type);
 
@@ -452,7 +452,7 @@
 		return;
 	}
 
-	if (pci->iatu_unroll_enabled) {
+	if (pci->iatu_unroll_enabled & DWC_IATU_UNROLL_EN) {
 		if (region == PCIE_ATU_REGION_INBOUND) {
 			dw_pcie_writel_ib_unroll(pci, index, PCIE_ATU_UNR_REGION_CTRL2,
 						 ~(u32)PCIE_ATU_ENABLE);
@@ -496,6 +496,7 @@
 	return ((val & PCIE_PORT_DEBUG1_LINK_UP) &&
 		(!(val & PCIE_PORT_DEBUG1_LINK_IN_TRAINING)));
 }
+EXPORT_SYMBOL_GPL(dw_pcie_link_up);
 
 void dw_pcie_upconfig_setup(struct dw_pcie *pci)
 {
@@ -563,14 +564,15 @@
 
 	if (pci->version >= 0x480A || (!pci->version &&
 				       dw_pcie_iatu_unroll_enabled(pci))) {
-		pci->iatu_unroll_enabled = true;
+		pci->iatu_unroll_enabled |= DWC_IATU_UNROLL_EN;
 		if (!pci->atu_base)
 			pci->atu_base =
 			    devm_platform_ioremap_resource_byname(pdev, "atu");
 		if (IS_ERR(pci->atu_base))
 			pci->atu_base = pci->dbi_base + DEFAULT_DBI_ATU_OFFSET;
 	}
-	dev_dbg(pci->dev, "iATU unroll: %s\n", pci->iatu_unroll_enabled ?
+	dev_dbg(pci->dev, "iATU unroll: %s\n",
+		pci->iatu_unroll_enabled & DWC_IATU_UNROLL_EN ?
 		"enabled" : "disabled");
 
 	if (pci->link_gen > 0)
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index 9d2f511..98084e8 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -80,9 +80,6 @@
 #define PCIE_ATU_VIEWPORT		0x900
 #define PCIE_ATU_REGION_INBOUND		BIT(31)
 #define PCIE_ATU_REGION_OUTBOUND	0
-#define PCIE_ATU_REGION_INDEX2		0x2
-#define PCIE_ATU_REGION_INDEX1		0x1
-#define PCIE_ATU_REGION_INDEX0		0x0
 #define PCIE_ATU_CR1			0x904
 #define PCIE_ATU_TYPE_MEM		0x0
 #define PCIE_ATU_TYPE_IO		0x2
@@ -259,6 +256,8 @@
 	void	(*stop_link)(struct dw_pcie *pcie);
 };
 
+#define DWC_IATU_UNROLL_EN	BIT(0)
+#define DWC_IATU_IOCFG_SHARED	BIT(1)
 struct dw_pcie {
 	struct device		*dev;
 	void __iomem		*dbi_base;
diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c
index 6ce34a1..603f6fb 100644
--- a/drivers/pci/controller/pci-host-common.c
+++ b/drivers/pci/controller/pci-host-common.c
@@ -77,6 +77,7 @@
 
 	bridge->sysdata = cfg;
 	bridge->ops = (struct pci_ops *)&ops->pci_ops;
+	bridge->msi_domain = true;
 
 	platform_set_drvdata(pdev, bridge);
 
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 2d6c77d..1f4e86d 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -472,7 +472,6 @@
 	struct list_head dr_list;
 
 	struct msi_domain_info msi_info;
-	struct msi_controller msi_chip;
 	struct irq_domain *irq_domain;
 
 	spinlock_t retarget_msi_interrupt_lock;
@@ -1929,9 +1928,6 @@
 	if (!hbus->pci_bus)
 		return -ENODEV;
 
-	hbus->pci_bus->msi = &hbus->msi_chip;
-	hbus->pci_bus->msi->dev = &hbus->hdev->device;
-
 	pci_lock_rescan_remove();
 	pci_scan_child_bus(hbus->pci_bus);
 	hv_pci_assign_numa_node(hbus);
diff --git a/drivers/pci/controller/pci-loongson.c b/drivers/pci/controller/pci-loongson.c
index 8b40b45..48169b1 100644
--- a/drivers/pci/controller/pci-loongson.c
+++ b/drivers/pci/controller/pci-loongson.c
@@ -13,14 +13,9 @@
 #include "../pci.h"
 
 /* Device IDs */
-#define DEV_LS2K_PCIE_PORT0	0x1a05
-#define DEV_LS7A_PCIE_PORT0	0x7a09
-#define DEV_LS7A_PCIE_PORT1	0x7a19
-#define DEV_LS7A_PCIE_PORT2	0x7a29
-#define DEV_LS7A_PCIE_PORT3	0x7a39
-#define DEV_LS7A_PCIE_PORT4	0x7a49
-#define DEV_LS7A_PCIE_PORT5	0x7a59
-#define DEV_LS7A_PCIE_PORT6	0x7a69
+#define DEV_PCIE_PORT_0	0x7a09
+#define DEV_PCIE_PORT_1	0x7a19
+#define DEV_PCIE_PORT_2	0x7a29
 
 #define DEV_LS2K_APB	0x7a02
 #define DEV_LS7A_CONF	0x7a10
@@ -43,11 +38,11 @@
 	dev->class = PCI_CLASS_BRIDGE_PCI << 8;
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT0, bridge_class_quirk);
+			DEV_PCIE_PORT_0, bridge_class_quirk);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT1, bridge_class_quirk);
+			DEV_PCIE_PORT_1, bridge_class_quirk);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT2, bridge_class_quirk);
+			DEV_PCIE_PORT_2, bridge_class_quirk);
 
 static void system_bus_quirk(struct pci_dev *pdev)
 {
@@ -65,27 +60,14 @@
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
 			DEV_LS7A_LPC, system_bus_quirk);
 
-/*
- * Some Loongson PCIe ports have hardware limitations on their Maximum Read
- * Request Size. They can't handle anything larger than this.  Sane
- * firmware will set proper MRRS at boot, so we only need no_inc_mrrs for
- * bridges. However, some MIPS Loongson firmware doesn't set MRRS properly,
- * so we have to enforce maximum safe MRRS, which is 256 bytes.
- */
-#ifdef CONFIG_MIPS
-static void loongson_set_min_mrrs_quirk(struct pci_dev *pdev)
+static void loongson_mrrs_quirk(struct pci_dev *dev)
 {
-	struct pci_bus *bus = pdev->bus;
+	struct pci_bus *bus = dev->bus;
 	struct pci_dev *bridge;
 	static const struct pci_device_id bridge_devids[] = {
-		{ PCI_VDEVICE(LOONGSON, DEV_LS2K_PCIE_PORT0) },
-		{ PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT0) },
-		{ PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT1) },
-		{ PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT2) },
-		{ PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT3) },
-		{ PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT4) },
-		{ PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT5) },
-		{ PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT6) },
+		{ PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_0) },
+		{ PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_1) },
+		{ PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_2) },
 		{ 0, },
 	};
 
@@ -93,41 +75,22 @@
 	while (!pci_is_root_bus(bus)) {
 		bridge = bus->self;
 		bus = bus->parent;
-
+		/*
+		 * Some Loongson PCIe ports have a h/w limitation of
+		 * 256 bytes maximum read request size. They can't handle
+		 * anything larger than this. So force this limit on
+		 * any devices attached under these ports.
+		 */
 		if (pci_match_id(bridge_devids, bridge)) {
-			if (pcie_get_readrq(pdev) > 256) {
-				pci_info(pdev, "limiting MRRS to 256\n");
-				pcie_set_readrq(pdev, 256);
+			if (pcie_get_readrq(dev) > 256) {
+				pci_info(dev, "limiting MRRS to 256\n");
+				pcie_set_readrq(dev, 256);
 			}
 			break;
 		}
 	}
 }
-DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, loongson_set_min_mrrs_quirk);
-#endif
-
-static void loongson_mrrs_quirk(struct pci_dev *pdev)
-{
-	struct pci_host_bridge *bridge = pci_find_host_bridge(pdev->bus);
-
-	bridge->no_inc_mrrs = 1;
-}
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS2K_PCIE_PORT0, loongson_mrrs_quirk);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT0, loongson_mrrs_quirk);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT1, loongson_mrrs_quirk);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT2, loongson_mrrs_quirk);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT3, loongson_mrrs_quirk);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT4, loongson_mrrs_quirk);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT5, loongson_mrrs_quirk);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
-			DEV_LS7A_PCIE_PORT6, loongson_mrrs_quirk);
+DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, loongson_mrrs_quirk);
 
 static void __iomem *cfg1_map(struct loongson_pci *priv, int bus,
 				unsigned int devfn, int where)
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index b4eb75f..b358212 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -21,6 +21,7 @@
 #include <linux/interrupt.h>
 #include <linux/iopoll.h>
 #include <linux/irq.h>
+#include <linux/irqchip/chained_irq.h>
 #include <linux/irqdomain.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -78,23 +79,8 @@
 #define AFI_MSI_FPCI_BAR_ST	0x64
 #define AFI_MSI_AXI_BAR_ST	0x68
 
-#define AFI_MSI_VEC0		0x6c
-#define AFI_MSI_VEC1		0x70
-#define AFI_MSI_VEC2		0x74
-#define AFI_MSI_VEC3		0x78
-#define AFI_MSI_VEC4		0x7c
-#define AFI_MSI_VEC5		0x80
-#define AFI_MSI_VEC6		0x84
-#define AFI_MSI_VEC7		0x88
-
-#define AFI_MSI_EN_VEC0		0x8c
-#define AFI_MSI_EN_VEC1		0x90
-#define AFI_MSI_EN_VEC2		0x94
-#define AFI_MSI_EN_VEC3		0x98
-#define AFI_MSI_EN_VEC4		0x9c
-#define AFI_MSI_EN_VEC5		0xa0
-#define AFI_MSI_EN_VEC6		0xa4
-#define AFI_MSI_EN_VEC7		0xa8
+#define AFI_MSI_VEC(x)		(0x6c + ((x) * 4))
+#define AFI_MSI_EN_VEC(x)	(0x8c + ((x) * 4))
 
 #define AFI_CONFIGURATION		0xac
 #define  AFI_CONFIGURATION_EN_FPCI		(1 << 0)
@@ -280,10 +266,10 @@
 #define LINK_RETRAIN_TIMEOUT 100000 /* in usec */
 
 struct tegra_msi {
-	struct msi_controller chip;
 	DECLARE_BITMAP(used, INT_PCI_MSI_NR);
 	struct irq_domain *domain;
-	struct mutex lock;
+	struct mutex map_lock;
+	spinlock_t mask_lock;
 	void *virt;
 	dma_addr_t phys;
 	int irq;
@@ -333,11 +319,6 @@
 	} ectl;
 };
 
-static inline struct tegra_msi *to_tegra_msi(struct msi_controller *chip)
-{
-	return container_of(chip, struct tegra_msi, chip);
-}
-
 struct tegra_pcie {
 	struct device *dev;
 
@@ -372,6 +353,11 @@
 	struct dentry *debugfs;
 };
 
+static inline struct tegra_pcie *msi_to_pcie(struct tegra_msi *msi)
+{
+	return container_of(msi, struct tegra_pcie, msi);
+}
+
 struct tegra_pcie_port {
 	struct tegra_pcie *pcie;
 	struct device_node *np;
@@ -1432,7 +1418,6 @@
 	}
 }
 
-
 static int tegra_pcie_get_resources(struct tegra_pcie *pcie)
 {
 	struct device *dev = pcie->dev;
@@ -1509,6 +1494,7 @@
 phys_put:
 	if (soc->program_uphy)
 		tegra_pcie_phys_put(pcie);
+
 	return err;
 }
 
@@ -1551,161 +1537,227 @@
 	afi_writel(pcie, val, AFI_PCIE_PME);
 }
 
-static int tegra_msi_alloc(struct tegra_msi *chip)
+static void tegra_pcie_msi_irq(struct irq_desc *desc)
 {
-	int msi;
-
-	mutex_lock(&chip->lock);
-
-	msi = find_first_zero_bit(chip->used, INT_PCI_MSI_NR);
-	if (msi < INT_PCI_MSI_NR)
-		set_bit(msi, chip->used);
-	else
-		msi = -ENOSPC;
-
-	mutex_unlock(&chip->lock);
-
-	return msi;
-}
-
-static void tegra_msi_free(struct tegra_msi *chip, unsigned long irq)
-{
-	struct device *dev = chip->chip.dev;
-
-	mutex_lock(&chip->lock);
-
-	if (!test_bit(irq, chip->used))
-		dev_err(dev, "trying to free unused MSI#%lu\n", irq);
-	else
-		clear_bit(irq, chip->used);
-
-	mutex_unlock(&chip->lock);
-}
-
-static irqreturn_t tegra_pcie_msi_irq(int irq, void *data)
-{
-	struct tegra_pcie *pcie = data;
-	struct device *dev = pcie->dev;
+	struct tegra_pcie *pcie = irq_desc_get_handler_data(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct tegra_msi *msi = &pcie->msi;
-	unsigned int i, processed = 0;
+	struct device *dev = pcie->dev;
+	unsigned int i;
+
+	chained_irq_enter(chip, desc);
 
 	for (i = 0; i < 8; i++) {
-		unsigned long reg = afi_readl(pcie, AFI_MSI_VEC0 + i * 4);
+		unsigned long reg = afi_readl(pcie, AFI_MSI_VEC(i));
 
 		while (reg) {
 			unsigned int offset = find_first_bit(&reg, 32);
 			unsigned int index = i * 32 + offset;
 			unsigned int irq;
 
-			/* clear the interrupt */
-			afi_writel(pcie, 1 << offset, AFI_MSI_VEC0 + i * 4);
-
-			irq = irq_find_mapping(msi->domain, index);
+			irq = irq_find_mapping(msi->domain->parent, index);
 			if (irq) {
-				if (test_bit(index, msi->used))
-					generic_handle_irq(irq);
-				else
-					dev_info(dev, "unhandled MSI\n");
+				generic_handle_irq(irq);
 			} else {
 				/*
 				 * that's weird who triggered this?
 				 * just clear it
 				 */
 				dev_info(dev, "unexpected MSI\n");
+				afi_writel(pcie, BIT(index % 32), AFI_MSI_VEC(index));
 			}
 
 			/* see if there's any more pending in this vector */
-			reg = afi_readl(pcie, AFI_MSI_VEC0 + i * 4);
-
-			processed++;
+			reg = afi_readl(pcie, AFI_MSI_VEC(i));
 		}
 	}
 
-	return processed > 0 ? IRQ_HANDLED : IRQ_NONE;
+	chained_irq_exit(chip, desc);
 }
 
-static int tegra_msi_setup_irq(struct msi_controller *chip,
-			       struct pci_dev *pdev, struct msi_desc *desc)
+static void tegra_msi_top_irq_ack(struct irq_data *d)
 {
-	struct tegra_msi *msi = to_tegra_msi(chip);
-	struct msi_msg msg;
-	unsigned int irq;
-	int hwirq;
-
-	hwirq = tegra_msi_alloc(msi);
-	if (hwirq < 0)
-		return hwirq;
-
-	irq = irq_create_mapping(msi->domain, hwirq);
-	if (!irq) {
-		tegra_msi_free(msi, hwirq);
-		return -EINVAL;
-	}
-
-	irq_set_msi_desc(irq, desc);
-
-	msg.address_lo = lower_32_bits(msi->phys);
-	msg.address_hi = upper_32_bits(msi->phys);
-	msg.data = hwirq;
-
-	pci_write_msi_msg(irq, &msg);
-
-	return 0;
+	irq_chip_ack_parent(d);
 }
 
-static void tegra_msi_teardown_irq(struct msi_controller *chip,
-				   unsigned int irq)
+static void tegra_msi_top_irq_mask(struct irq_data *d)
 {
-	struct tegra_msi *msi = to_tegra_msi(chip);
-	struct irq_data *d = irq_get_irq_data(irq);
-	irq_hw_number_t hwirq = irqd_to_hwirq(d);
-
-	irq_dispose_mapping(irq);
-	tegra_msi_free(msi, hwirq);
+	pci_msi_mask_irq(d);
+	irq_chip_mask_parent(d);
 }
 
-static struct irq_chip tegra_msi_irq_chip = {
-	.name = "Tegra PCIe MSI",
-	.irq_enable = pci_msi_unmask_irq,
-	.irq_disable = pci_msi_mask_irq,
-	.irq_mask = pci_msi_mask_irq,
-	.irq_unmask = pci_msi_unmask_irq,
+static void tegra_msi_top_irq_unmask(struct irq_data *d)
+{
+	pci_msi_unmask_irq(d);
+	irq_chip_unmask_parent(d);
+}
+
+static struct irq_chip tegra_msi_top_chip = {
+	.name		= "Tegra PCIe MSI",
+	.irq_ack	= tegra_msi_top_irq_ack,
+	.irq_mask	= tegra_msi_top_irq_mask,
+	.irq_unmask	= tegra_msi_top_irq_unmask,
 };
 
-static int tegra_msi_map(struct irq_domain *domain, unsigned int irq,
-			 irq_hw_number_t hwirq)
+static void tegra_msi_irq_ack(struct irq_data *d)
 {
-	irq_set_chip_and_handler(irq, &tegra_msi_irq_chip, handle_simple_irq);
-	irq_set_chip_data(irq, domain->host_data);
+	struct tegra_msi *msi = irq_data_get_irq_chip_data(d);
+	struct tegra_pcie *pcie = msi_to_pcie(msi);
+	unsigned int index = d->hwirq / 32;
+
+	/* clear the interrupt */
+	afi_writel(pcie, BIT(d->hwirq % 32), AFI_MSI_VEC(index));
+}
+
+static void tegra_msi_irq_mask(struct irq_data *d)
+{
+	struct tegra_msi *msi = irq_data_get_irq_chip_data(d);
+	struct tegra_pcie *pcie = msi_to_pcie(msi);
+	unsigned int index = d->hwirq / 32;
+	unsigned long flags;
+	u32 value;
+
+	spin_lock_irqsave(&msi->mask_lock, flags);
+	value = afi_readl(pcie, AFI_MSI_EN_VEC(index));
+	value &= ~BIT(d->hwirq % 32);
+	afi_writel(pcie, value, AFI_MSI_EN_VEC(index));
+	spin_unlock_irqrestore(&msi->mask_lock, flags);
+}
+
+static void tegra_msi_irq_unmask(struct irq_data *d)
+{
+	struct tegra_msi *msi = irq_data_get_irq_chip_data(d);
+	struct tegra_pcie *pcie = msi_to_pcie(msi);
+	unsigned int index = d->hwirq / 32;
+	unsigned long flags;
+	u32 value;
+
+	spin_lock_irqsave(&msi->mask_lock, flags);
+	value = afi_readl(pcie, AFI_MSI_EN_VEC(index));
+	value |= BIT(d->hwirq % 32);
+	afi_writel(pcie, value, AFI_MSI_EN_VEC(index));
+	spin_unlock_irqrestore(&msi->mask_lock, flags);
+}
+
+static int tegra_msi_set_affinity(struct irq_data *d, const struct cpumask *mask, bool force)
+{
+	return -EINVAL;
+}
+
+static void tegra_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+{
+	struct tegra_msi *msi = irq_data_get_irq_chip_data(data);
+
+	msg->address_lo = lower_32_bits(msi->phys);
+	msg->address_hi = upper_32_bits(msi->phys);
+	msg->data = data->hwirq;
+}
+
+static struct irq_chip tegra_msi_bottom_chip = {
+	.name			= "Tegra MSI",
+	.irq_ack		= tegra_msi_irq_ack,
+	.irq_mask		= tegra_msi_irq_mask,
+	.irq_unmask		= tegra_msi_irq_unmask,
+	.irq_set_affinity 	= tegra_msi_set_affinity,
+	.irq_compose_msi_msg	= tegra_compose_msi_msg,
+};
+
+static int tegra_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs, void *args)
+{
+	struct tegra_msi *msi = domain->host_data;
+	unsigned int i;
+	int hwirq;
+
+	mutex_lock(&msi->map_lock);
+
+	hwirq = bitmap_find_free_region(msi->used, INT_PCI_MSI_NR, order_base_2(nr_irqs));
+
+	mutex_unlock(&msi->map_lock);
+
+	if (hwirq < 0)
+		return -ENOSPC;
+
+	for (i = 0; i < nr_irqs; i++)
+		irq_domain_set_info(domain, virq + i, hwirq + i,
+				    &tegra_msi_bottom_chip, domain->host_data,
+				    handle_edge_irq, NULL, NULL);
 
 	tegra_cpuidle_pcie_irqs_in_use();
 
 	return 0;
 }
 
-static const struct irq_domain_ops msi_domain_ops = {
-	.map = tegra_msi_map,
+static void tegra_msi_domain_free(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs)
+{
+	struct irq_data *d = irq_domain_get_irq_data(domain, virq);
+	struct tegra_msi *msi = domain->host_data;
+
+	mutex_lock(&msi->map_lock);
+
+	bitmap_release_region(msi->used, d->hwirq, order_base_2(nr_irqs));
+
+	mutex_unlock(&msi->map_lock);
+}
+
+static const struct irq_domain_ops tegra_msi_domain_ops = {
+	.alloc = tegra_msi_domain_alloc,
+	.free = tegra_msi_domain_free,
 };
 
+static struct msi_domain_info tegra_msi_info = {
+	.flags	= (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+		   MSI_FLAG_PCI_MSIX),
+	.chip	= &tegra_msi_top_chip,
+};
+
+static int tegra_allocate_domains(struct tegra_msi *msi)
+{
+	struct tegra_pcie *pcie = msi_to_pcie(msi);
+	struct fwnode_handle *fwnode = dev_fwnode(pcie->dev);
+	struct irq_domain *parent;
+
+	parent = irq_domain_create_linear(fwnode, INT_PCI_MSI_NR,
+					  &tegra_msi_domain_ops, msi);
+	if (!parent) {
+		dev_err(pcie->dev, "failed to create IRQ domain\n");
+		return -ENOMEM;
+	}
+	irq_domain_update_bus_token(parent, DOMAIN_BUS_NEXUS);
+
+	msi->domain = pci_msi_create_irq_domain(fwnode, &tegra_msi_info, parent);
+	if (!msi->domain) {
+		dev_err(pcie->dev, "failed to create MSI domain\n");
+		irq_domain_remove(parent);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static void tegra_free_domains(struct tegra_msi *msi)
+{
+	struct irq_domain *parent = msi->domain->parent;
+
+	irq_domain_remove(msi->domain);
+	irq_domain_remove(parent);
+}
+
 static int tegra_pcie_msi_setup(struct tegra_pcie *pcie)
 {
-	struct pci_host_bridge *host = pci_host_bridge_from_priv(pcie);
 	struct platform_device *pdev = to_platform_device(pcie->dev);
 	struct tegra_msi *msi = &pcie->msi;
 	struct device *dev = pcie->dev;
 	int err;
 
-	mutex_init(&msi->lock);
+	mutex_init(&msi->map_lock);
+	spin_lock_init(&msi->mask_lock);
 
-	msi->chip.dev = dev;
-	msi->chip.setup_irq = tegra_msi_setup_irq;
-	msi->chip.teardown_irq = tegra_msi_teardown_irq;
-
-	msi->domain = irq_domain_add_linear(dev->of_node, INT_PCI_MSI_NR,
-					    &msi_domain_ops, &msi->chip);
-	if (!msi->domain) {
-		dev_err(dev, "failed to create IRQ domain\n");
-		return -ENOMEM;
+	if (IS_ENABLED(CONFIG_PCI_MSI)) {
+		err = tegra_allocate_domains(msi);
+		if (err)
+			return err;
 	}
 
 	err = platform_get_irq_byname(pdev, "msi");
@@ -1714,12 +1766,7 @@
 
 	msi->irq = err;
 
-	err = request_irq(msi->irq, tegra_pcie_msi_irq, IRQF_NO_THREAD,
-			  tegra_msi_irq_chip.name, pcie);
-	if (err < 0) {
-		dev_err(dev, "failed to request IRQ: %d\n", err);
-		goto free_irq_domain;
-	}
+	irq_set_chained_handler_and_data(msi->irq, tegra_pcie_msi_irq, pcie);
 
 	/* Though the PCIe controller can address >32-bit address space, to
 	 * facilitate endpoints that support only 32-bit MSI target address,
@@ -1740,14 +1787,14 @@
 		goto free_irq;
 	}
 
-	host->msi = &msi->chip;
-
 	return 0;
 
 free_irq:
-	free_irq(msi->irq, pcie);
+	irq_set_chained_handler_and_data(msi->irq, NULL, NULL);
 free_irq_domain:
-	irq_domain_remove(msi->domain);
+	if (IS_ENABLED(CONFIG_PCI_MSI))
+		tegra_free_domains(msi);
+
 	return err;
 }
 
@@ -1755,22 +1802,18 @@
 {
 	const struct tegra_pcie_soc *soc = pcie->soc;
 	struct tegra_msi *msi = &pcie->msi;
-	u32 reg;
+	u32 reg, msi_state[INT_PCI_MSI_NR / 32];
+	int i;
 
 	afi_writel(pcie, msi->phys >> soc->msi_base_shift, AFI_MSI_FPCI_BAR_ST);
 	afi_writel(pcie, msi->phys, AFI_MSI_AXI_BAR_ST);
 	/* this register is in 4K increments */
 	afi_writel(pcie, 1, AFI_MSI_BAR_SZ);
 
-	/* enable all MSI vectors */
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC0);
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC1);
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC2);
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC3);
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC4);
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC5);
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC6);
-	afi_writel(pcie, 0xffffffff, AFI_MSI_EN_VEC7);
+	/* Restore the MSI allocation state */
+	bitmap_to_arr32(msi_state, msi->used, INT_PCI_MSI_NR);
+	for (i = 0; i < ARRAY_SIZE(msi_state); i++)
+		afi_writel(pcie, msi_state[i], AFI_MSI_EN_VEC(i));
 
 	/* and unmask the MSI interrupt */
 	reg = afi_readl(pcie, AFI_INTR_MASK);
@@ -1786,16 +1829,16 @@
 	dma_free_attrs(pcie->dev, PAGE_SIZE, msi->virt, msi->phys,
 		       DMA_ATTR_NO_KERNEL_MAPPING);
 
-	if (msi->irq > 0)
-		free_irq(msi->irq, pcie);
-
 	for (i = 0; i < INT_PCI_MSI_NR; i++) {
 		irq = irq_find_mapping(msi->domain, i);
 		if (irq > 0)
-			irq_dispose_mapping(irq);
+			irq_domain_free_irqs(irq, 1);
 	}
 
-	irq_domain_remove(msi->domain);
+	irq_set_chained_handler_and_data(msi->irq, NULL, NULL);
+
+	if (IS_ENABLED(CONFIG_PCI_MSI))
+		tegra_free_domains(msi);
 }
 
 static int tegra_pcie_disable_msi(struct tegra_pcie *pcie)
@@ -1807,16 +1850,6 @@
 	value &= ~AFI_INTR_MASK_MSI_MASK;
 	afi_writel(pcie, value, AFI_INTR_MASK);
 
-	/* disable all MSI vectors */
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC0);
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC1);
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC2);
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC3);
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC4);
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC5);
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC6);
-	afi_writel(pcie, 0, AFI_MSI_EN_VEC7);
-
 	return 0;
 }
 
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 23548b5..9c10d87 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -143,6 +143,7 @@
  * struct mtk_pcie_soc - differentiate between host generations
  * @need_fix_class_id: whether this host's class ID needed to be fixed or not
  * @need_fix_device_id: whether this host's device ID needed to be fixed or not
+ * @no_msi: Bridge has no MSI support, and relies on an external block
  * @device_id: device ID which this host need to be fixed
  * @ops: pointer to configuration access functions
  * @startup: pointer to controller setting functions
@@ -151,6 +152,7 @@
 struct mtk_pcie_soc {
 	bool need_fix_class_id;
 	bool need_fix_device_id;
+	bool no_msi;
 	unsigned int device_id;
 	struct pci_ops *ops;
 	int (*startup)(struct mtk_pcie_port *port);
@@ -1087,6 +1089,7 @@
 
 	host->ops = pcie->soc->ops;
 	host->sysdata = pcie;
+	host->msi_domain = pcie->soc->no_msi;
 
 	err = pci_host_probe(host);
 	if (err)
@@ -1176,6 +1179,7 @@
 };
 
 static const struct mtk_pcie_soc mtk_pcie_soc_v1 = {
+	.no_msi = true,
 	.ops = &mtk_pcie_ops,
 	.startup = mtk_pcie_startup_port,
 };
diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c
index 2bee09b..0623280 100644
--- a/drivers/pci/controller/pcie-rcar-host.c
+++ b/drivers/pci/controller/pcie-rcar-host.c
@@ -35,18 +35,12 @@
 struct rcar_msi {
 	DECLARE_BITMAP(used, INT_PCI_MSI_NR);
 	struct irq_domain *domain;
-	struct msi_controller chip;
-	unsigned long pages;
-	struct mutex lock;
+	struct mutex map_lock;
+	spinlock_t mask_lock;
 	int irq1;
 	int irq2;
 };
 
-static inline struct rcar_msi *to_rcar_msi(struct msi_controller *chip)
-{
-	return container_of(chip, struct rcar_msi, chip);
-}
-
 /* Structure representing the PCIe interface */
 struct rcar_pcie_host {
 	struct rcar_pcie	pcie;
@@ -58,6 +52,11 @@
 	int			(*phy_init_fn)(struct rcar_pcie_host *host);
 };
 
+static struct rcar_pcie_host *msi_to_host(struct rcar_msi *msi)
+{
+	return container_of(msi, struct rcar_pcie_host, msi);
+}
+
 static u32 rcar_read_conf(struct rcar_pcie *pcie, int where)
 {
 	unsigned int shift = BITS_PER_BYTE * (where & 3);
@@ -294,8 +293,6 @@
 
 	bridge->sysdata = host;
 	bridge->ops = &rcar_pcie_ops;
-	if (IS_ENABLED(CONFIG_PCI_MSI))
-		bridge->msi = &host->msi.chip;
 
 	return pci_host_probe(bridge);
 }
@@ -475,42 +472,6 @@
 	return err;
 }
 
-static int rcar_msi_alloc(struct rcar_msi *chip)
-{
-	int msi;
-
-	mutex_lock(&chip->lock);
-
-	msi = find_first_zero_bit(chip->used, INT_PCI_MSI_NR);
-	if (msi < INT_PCI_MSI_NR)
-		set_bit(msi, chip->used);
-	else
-		msi = -ENOSPC;
-
-	mutex_unlock(&chip->lock);
-
-	return msi;
-}
-
-static int rcar_msi_alloc_region(struct rcar_msi *chip, int no_irqs)
-{
-	int msi;
-
-	mutex_lock(&chip->lock);
-	msi = bitmap_find_free_region(chip->used, INT_PCI_MSI_NR,
-				      order_base_2(no_irqs));
-	mutex_unlock(&chip->lock);
-
-	return msi;
-}
-
-static void rcar_msi_free(struct rcar_msi *chip, unsigned long irq)
-{
-	mutex_lock(&chip->lock);
-	clear_bit(irq, chip->used);
-	mutex_unlock(&chip->lock);
-}
-
 static irqreturn_t rcar_pcie_msi_irq(int irq, void *data)
 {
 	struct rcar_pcie_host *host = data;
@@ -529,18 +490,13 @@
 		unsigned int index = find_first_bit(&reg, 32);
 		unsigned int msi_irq;
 
-		/* clear the interrupt */
-		rcar_pci_write_reg(pcie, 1 << index, PCIEMSIFR);
-
-		msi_irq = irq_find_mapping(msi->domain, index);
+		msi_irq = irq_find_mapping(msi->domain->parent, index);
 		if (msi_irq) {
-			if (test_bit(index, msi->used))
-				generic_handle_irq(msi_irq);
-			else
-				dev_info(dev, "unhandled MSI\n");
+			generic_handle_irq(msi_irq);
 		} else {
 			/* Unknown MSI, just clear it */
 			dev_dbg(dev, "unexpected MSI\n");
+			rcar_pci_write_reg(pcie, BIT(index), PCIEMSIFR);
 		}
 
 		/* see if there's any more pending in this vector */
@@ -550,149 +506,169 @@
 	return IRQ_HANDLED;
 }
 
-static int rcar_msi_setup_irq(struct msi_controller *chip, struct pci_dev *pdev,
-			      struct msi_desc *desc)
+static void rcar_msi_top_irq_ack(struct irq_data *d)
 {
-	struct rcar_msi *msi = to_rcar_msi(chip);
-	struct rcar_pcie_host *host = container_of(chip, struct rcar_pcie_host,
-						   msi.chip);
-	struct rcar_pcie *pcie = &host->pcie;
-	struct msi_msg msg;
-	unsigned int irq;
-	int hwirq;
-
-	hwirq = rcar_msi_alloc(msi);
-	if (hwirq < 0)
-		return hwirq;
-
-	irq = irq_find_mapping(msi->domain, hwirq);
-	if (!irq) {
-		rcar_msi_free(msi, hwirq);
-		return -EINVAL;
-	}
-
-	irq_set_msi_desc(irq, desc);
-
-	msg.address_lo = rcar_pci_read_reg(pcie, PCIEMSIALR) & ~MSIFE;
-	msg.address_hi = rcar_pci_read_reg(pcie, PCIEMSIAUR);
-	msg.data = hwirq;
-
-	pci_write_msi_msg(irq, &msg);
-
-	return 0;
+	irq_chip_ack_parent(d);
 }
 
-static int rcar_msi_setup_irqs(struct msi_controller *chip,
-			       struct pci_dev *pdev, int nvec, int type)
+static void rcar_msi_top_irq_mask(struct irq_data *d)
 {
-	struct rcar_msi *msi = to_rcar_msi(chip);
-	struct rcar_pcie_host *host = container_of(chip, struct rcar_pcie_host,
-						   msi.chip);
-	struct rcar_pcie *pcie = &host->pcie;
-	struct msi_desc *desc;
-	struct msi_msg msg;
-	unsigned int irq;
+	pci_msi_mask_irq(d);
+	irq_chip_mask_parent(d);
+}
+
+static void rcar_msi_top_irq_unmask(struct irq_data *d)
+{
+	pci_msi_unmask_irq(d);
+	irq_chip_unmask_parent(d);
+}
+
+static struct irq_chip rcar_msi_top_chip = {
+	.name		= "PCIe MSI",
+	.irq_ack	= rcar_msi_top_irq_ack,
+	.irq_mask	= rcar_msi_top_irq_mask,
+	.irq_unmask	= rcar_msi_top_irq_unmask,
+};
+
+static void rcar_msi_irq_ack(struct irq_data *d)
+{
+	struct rcar_msi *msi = irq_data_get_irq_chip_data(d);
+	struct rcar_pcie *pcie = &msi_to_host(msi)->pcie;
+
+	/* clear the interrupt */
+	rcar_pci_write_reg(pcie, BIT(d->hwirq), PCIEMSIFR);
+}
+
+static void rcar_msi_irq_mask(struct irq_data *d)
+{
+	struct rcar_msi *msi = irq_data_get_irq_chip_data(d);
+	struct rcar_pcie *pcie = &msi_to_host(msi)->pcie;
+	unsigned long flags;
+	u32 value;
+
+	spin_lock_irqsave(&msi->mask_lock, flags);
+	value = rcar_pci_read_reg(pcie, PCIEMSIIER);
+	value &= ~BIT(d->hwirq);
+	rcar_pci_write_reg(pcie, value, PCIEMSIIER);
+	spin_unlock_irqrestore(&msi->mask_lock, flags);
+}
+
+static void rcar_msi_irq_unmask(struct irq_data *d)
+{
+	struct rcar_msi *msi = irq_data_get_irq_chip_data(d);
+	struct rcar_pcie *pcie = &msi_to_host(msi)->pcie;
+	unsigned long flags;
+	u32 value;
+
+	spin_lock_irqsave(&msi->mask_lock, flags);
+	value = rcar_pci_read_reg(pcie, PCIEMSIIER);
+	value |= BIT(d->hwirq);
+	rcar_pci_write_reg(pcie, value, PCIEMSIIER);
+	spin_unlock_irqrestore(&msi->mask_lock, flags);
+}
+
+static int rcar_msi_set_affinity(struct irq_data *d, const struct cpumask *mask, bool force)
+{
+	return -EINVAL;
+}
+
+static void rcar_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+{
+	struct rcar_msi *msi = irq_data_get_irq_chip_data(data);
+	struct rcar_pcie *pcie = &msi_to_host(msi)->pcie;
+
+	msg->address_lo = rcar_pci_read_reg(pcie, PCIEMSIALR) & ~MSIFE;
+	msg->address_hi = rcar_pci_read_reg(pcie, PCIEMSIAUR);
+	msg->data = data->hwirq;
+}
+
+static struct irq_chip rcar_msi_bottom_chip = {
+	.name			= "Rcar MSI",
+	.irq_ack		= rcar_msi_irq_ack,
+	.irq_mask		= rcar_msi_irq_mask,
+	.irq_unmask		= rcar_msi_irq_unmask,
+	.irq_set_affinity 	= rcar_msi_set_affinity,
+	.irq_compose_msi_msg	= rcar_compose_msi_msg,
+};
+
+static int rcar_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs, void *args)
+{
+	struct rcar_msi *msi = domain->host_data;
+	unsigned int i;
 	int hwirq;
-	int i;
 
-	/* MSI-X interrupts are not supported */
-	if (type == PCI_CAP_ID_MSIX)
-		return -EINVAL;
+	mutex_lock(&msi->map_lock);
 
-	WARN_ON(!list_is_singular(&pdev->dev.msi_list));
-	desc = list_entry(pdev->dev.msi_list.next, struct msi_desc, list);
+	hwirq = bitmap_find_free_region(msi->used, INT_PCI_MSI_NR, order_base_2(nr_irqs));
 
-	hwirq = rcar_msi_alloc_region(msi, nvec);
+	mutex_unlock(&msi->map_lock);
+
 	if (hwirq < 0)
 		return -ENOSPC;
 
-	irq = irq_find_mapping(msi->domain, hwirq);
-	if (!irq)
-		return -ENOSPC;
-
-	for (i = 0; i < nvec; i++) {
-		/*
-		 * irq_create_mapping() called from rcar_pcie_probe() pre-
-		 * allocates descs,  so there is no need to allocate descs here.
-		 * We can therefore assume that if irq_find_mapping() above
-		 * returns non-zero, then the descs are also successfully
-		 * allocated.
-		 */
-		if (irq_set_msi_desc_off(irq, i, desc)) {
-			/* TODO: clear */
-			return -EINVAL;
-		}
-	}
-
-	desc->nvec_used = nvec;
-	desc->msi_attrib.multiple = order_base_2(nvec);
-
-	msg.address_lo = rcar_pci_read_reg(pcie, PCIEMSIALR) & ~MSIFE;
-	msg.address_hi = rcar_pci_read_reg(pcie, PCIEMSIAUR);
-	msg.data = hwirq;
-
-	pci_write_msi_msg(irq, &msg);
+	for (i = 0; i < nr_irqs; i++)
+		irq_domain_set_info(domain, virq + i, hwirq + i,
+				    &rcar_msi_bottom_chip, domain->host_data,
+				    handle_edge_irq, NULL, NULL);
 
 	return 0;
 }
 
-static void rcar_msi_teardown_irq(struct msi_controller *chip, unsigned int irq)
+static void rcar_msi_domain_free(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs)
 {
-	struct rcar_msi *msi = to_rcar_msi(chip);
-	struct irq_data *d = irq_get_irq_data(irq);
+	struct irq_data *d = irq_domain_get_irq_data(domain, virq);
+	struct rcar_msi *msi = domain->host_data;
 
-	rcar_msi_free(msi, d->hwirq);
+	mutex_lock(&msi->map_lock);
+
+	bitmap_release_region(msi->used, d->hwirq, order_base_2(nr_irqs));
+
+	mutex_unlock(&msi->map_lock);
 }
 
-static struct irq_chip rcar_msi_irq_chip = {
-	.name = "R-Car PCIe MSI",
-	.irq_enable = pci_msi_unmask_irq,
-	.irq_disable = pci_msi_mask_irq,
-	.irq_mask = pci_msi_mask_irq,
-	.irq_unmask = pci_msi_unmask_irq,
+static const struct irq_domain_ops rcar_msi_domain_ops = {
+	.alloc	= rcar_msi_domain_alloc,
+	.free	= rcar_msi_domain_free,
 };
 
-static int rcar_msi_map(struct irq_domain *domain, unsigned int irq,
-			irq_hw_number_t hwirq)
+static struct msi_domain_info rcar_msi_info = {
+	.flags	= (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+		   MSI_FLAG_MULTI_PCI_MSI),
+	.chip	= &rcar_msi_top_chip,
+};
+
+static int rcar_allocate_domains(struct rcar_msi *msi)
 {
-	irq_set_chip_and_handler(irq, &rcar_msi_irq_chip, handle_simple_irq);
-	irq_set_chip_data(irq, domain->host_data);
+	struct rcar_pcie *pcie = &msi_to_host(msi)->pcie;
+	struct fwnode_handle *fwnode = dev_fwnode(pcie->dev);
+	struct irq_domain *parent;
+
+	parent = irq_domain_create_linear(fwnode, INT_PCI_MSI_NR,
+					  &rcar_msi_domain_ops, msi);
+	if (!parent) {
+		dev_err(pcie->dev, "failed to create IRQ domain\n");
+		return -ENOMEM;
+	}
+	irq_domain_update_bus_token(parent, DOMAIN_BUS_NEXUS);
+
+	msi->domain = pci_msi_create_irq_domain(fwnode, &rcar_msi_info, parent);
+	if (!msi->domain) {
+		dev_err(pcie->dev, "failed to create MSI domain\n");
+		irq_domain_remove(parent);
+		return -ENOMEM;
+	}
 
 	return 0;
 }
 
-static const struct irq_domain_ops msi_domain_ops = {
-	.map = rcar_msi_map,
-};
-
-static void rcar_pcie_unmap_msi(struct rcar_pcie_host *host)
+static void rcar_free_domains(struct rcar_msi *msi)
 {
-	struct rcar_msi *msi = &host->msi;
-	int i, irq;
-
-	for (i = 0; i < INT_PCI_MSI_NR; i++) {
-		irq = irq_find_mapping(msi->domain, i);
-		if (irq > 0)
-			irq_dispose_mapping(irq);
-	}
+	struct irq_domain *parent = msi->domain->parent;
 
 	irq_domain_remove(msi->domain);
-}
-
-static void rcar_pcie_hw_enable_msi(struct rcar_pcie_host *host)
-{
-	struct rcar_pcie *pcie = &host->pcie;
-	struct rcar_msi *msi = &host->msi;
-	unsigned long base;
-
-	/* setup MSI data target */
-	base = virt_to_phys((void *)msi->pages);
-
-	rcar_pci_write_reg(pcie, lower_32_bits(base) | MSIFE, PCIEMSIALR);
-	rcar_pci_write_reg(pcie, upper_32_bits(base), PCIEMSIAUR);
-
-	/* enable all MSI interrupts */
-	rcar_pci_write_reg(pcie, 0xffffffff, PCIEMSIIER);
+	irq_domain_remove(parent);
 }
 
 static int rcar_pcie_enable_msi(struct rcar_pcie_host *host)
@@ -700,29 +676,24 @@
 	struct rcar_pcie *pcie = &host->pcie;
 	struct device *dev = pcie->dev;
 	struct rcar_msi *msi = &host->msi;
-	int err, i;
+	struct resource res;
+	int err;
 
-	mutex_init(&msi->lock);
+	mutex_init(&msi->map_lock);
+	spin_lock_init(&msi->mask_lock);
 
-	msi->chip.dev = dev;
-	msi->chip.setup_irq = rcar_msi_setup_irq;
-	msi->chip.setup_irqs = rcar_msi_setup_irqs;
-	msi->chip.teardown_irq = rcar_msi_teardown_irq;
+	err = of_address_to_resource(dev->of_node, 0, &res);
+	if (err)
+		return err;
 
-	msi->domain = irq_domain_add_linear(dev->of_node, INT_PCI_MSI_NR,
-					    &msi_domain_ops, &msi->chip);
-	if (!msi->domain) {
-		dev_err(dev, "failed to create IRQ domain\n");
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < INT_PCI_MSI_NR; i++)
-		irq_create_mapping(msi->domain, i);
+	err = rcar_allocate_domains(msi);
+	if (err)
+		return err;
 
 	/* Two irqs are for MSI, but they are also used for non-MSI irqs */
 	err = devm_request_irq(dev, msi->irq1, rcar_pcie_msi_irq,
 			       IRQF_SHARED | IRQF_NO_THREAD,
-			       rcar_msi_irq_chip.name, host);
+			       rcar_msi_bottom_chip.name, host);
 	if (err < 0) {
 		dev_err(dev, "failed to request IRQ: %d\n", err);
 		goto err;
@@ -730,27 +701,32 @@
 
 	err = devm_request_irq(dev, msi->irq2, rcar_pcie_msi_irq,
 			       IRQF_SHARED | IRQF_NO_THREAD,
-			       rcar_msi_irq_chip.name, host);
+			       rcar_msi_bottom_chip.name, host);
 	if (err < 0) {
 		dev_err(dev, "failed to request IRQ: %d\n", err);
 		goto err;
 	}
 
-	/* setup MSI data target */
-	msi->pages = __get_free_pages(GFP_KERNEL | GFP_DMA32, 0);
-	rcar_pcie_hw_enable_msi(host);
+	/* disable all MSIs */
+	rcar_pci_write_reg(pcie, 0, PCIEMSIIER);
+
+	/*
+	 * Setup MSI data target using RC base address address, which
+	 * is guaranteed to be in the low 32bit range on any RCar HW.
+	 */
+	rcar_pci_write_reg(pcie, lower_32_bits(res.start) | MSIFE, PCIEMSIALR);
+	rcar_pci_write_reg(pcie, upper_32_bits(res.start), PCIEMSIAUR);
 
 	return 0;
 
 err:
-	rcar_pcie_unmap_msi(host);
+	rcar_free_domains(msi);
 	return err;
 }
 
 static void rcar_pcie_teardown_msi(struct rcar_pcie_host *host)
 {
 	struct rcar_pcie *pcie = &host->pcie;
-	struct rcar_msi *msi = &host->msi;
 
 	/* Disable all MSI interrupts */
 	rcar_pci_write_reg(pcie, 0, PCIEMSIIER);
@@ -758,9 +734,7 @@
 	/* Disable address decoding of the MSI interrupt, MSIFE */
 	rcar_pci_write_reg(pcie, 0, PCIEMSIALR);
 
-	free_pages(msi->pages, 0);
-
-	rcar_pcie_unmap_msi(host);
+	rcar_free_domains(&host->msi);
 }
 
 static int rcar_pcie_get_resources(struct rcar_pcie_host *host)
@@ -1013,8 +987,17 @@
 	dev_info(dev, "PCIe x%d: link up\n", (data >> 20) & 0x3f);
 
 	/* Enable MSI */
-	if (IS_ENABLED(CONFIG_PCI_MSI))
-		rcar_pcie_hw_enable_msi(host);
+	if (IS_ENABLED(CONFIG_PCI_MSI)) {
+		struct resource res;
+		u32 val;
+
+		of_address_to_resource(dev->of_node, 0, &res);
+		rcar_pci_write_reg(pcie, upper_32_bits(res.start), PCIEMSIAUR);
+		rcar_pci_write_reg(pcie, lower_32_bits(res.start) | MSIFE, PCIEMSIALR);
+
+		bitmap_to_arr32(&val, host->msi.used, INT_PCI_MSI_NR);
+		rcar_pci_write_reg(pcie, val, PCIEMSIIER);
+	}
 
 	rcar_pcie_hw_enable(host);
 
diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c
index 8523be6..d707eda 100644
--- a/drivers/pci/controller/pcie-xilinx.c
+++ b/drivers/pci/controller/pcie-xilinx.c
@@ -96,25 +96,23 @@
 /**
  * struct xilinx_pcie_port - PCIe port information
  * @reg_base: IO Mapped Register Base
- * @irq: Interrupt number
- * @msi_pages: MSI pages
  * @dev: Device pointer
+ * @msi_map: Bitmap of allocated MSIs
+ * @map_lock: Mutex protecting the MSI allocation
  * @msi_domain: MSI IRQ domain pointer
  * @leg_domain: Legacy IRQ domain pointer
  * @resources: Bus Resources
  */
 struct xilinx_pcie_port {
 	void __iomem *reg_base;
-	u32 irq;
-	unsigned long msi_pages;
 	struct device *dev;
+	unsigned long msi_map[BITS_TO_LONGS(XILINX_NUM_MSI_IRQS)];
+	struct mutex map_lock;
 	struct irq_domain *msi_domain;
 	struct irq_domain *leg_domain;
 	struct list_head resources;
 };
 
-static DECLARE_BITMAP(msi_irq_in_use, XILINX_NUM_MSI_IRQS);
-
 static inline u32 pcie_read(struct xilinx_pcie_port *port, u32 reg)
 {
 	return readl(port->reg_base + reg);
@@ -203,151 +201,118 @@
 
 /* MSI functions */
 
-/**
- * xilinx_pcie_destroy_msi - Free MSI number
- * @irq: IRQ to be freed
- */
-static void xilinx_pcie_destroy_msi(unsigned int irq)
+static void xilinx_msi_top_irq_ack(struct irq_data *d)
 {
-	struct msi_desc *msi;
-	struct xilinx_pcie_port *port;
-	struct irq_data *d = irq_get_irq_data(irq);
-	irq_hw_number_t hwirq = irqd_to_hwirq(d);
-
-	if (!test_bit(hwirq, msi_irq_in_use)) {
-		msi = irq_get_msi_desc(irq);
-		port = msi_desc_to_pci_sysdata(msi);
-		dev_err(port->dev, "Trying to free unused MSI#%d\n", irq);
-	} else {
-		clear_bit(hwirq, msi_irq_in_use);
-	}
+	/*
+	 * xilinx_pcie_intr_handler() will have performed the Ack.
+	 * Eventually, this should be fixed and the Ack be moved in
+	 * the respective callbacks for INTx and MSI.
+	 */
 }
 
-/**
- * xilinx_pcie_assign_msi - Allocate MSI number
- *
- * Return: A valid IRQ on success and error value on failure.
- */
-static int xilinx_pcie_assign_msi(void)
-{
-	int pos;
+static struct irq_chip xilinx_msi_top_chip = {
+	.name		= "PCIe MSI",
+	.irq_ack	= xilinx_msi_top_irq_ack,
+};
 
-	pos = find_first_zero_bit(msi_irq_in_use, XILINX_NUM_MSI_IRQS);
-	if (pos < XILINX_NUM_MSI_IRQS)
-		set_bit(pos, msi_irq_in_use);
-	else
+static int xilinx_msi_set_affinity(struct irq_data *d, const struct cpumask *mask, bool force)
+{
+	return -EINVAL;
+}
+
+static void xilinx_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+{
+	struct xilinx_pcie_port *pcie = irq_data_get_irq_chip_data(data);
+	phys_addr_t pa = ALIGN_DOWN(virt_to_phys(pcie), SZ_4K);
+
+	msg->address_lo = lower_32_bits(pa);
+	msg->address_hi = upper_32_bits(pa);
+	msg->data = data->hwirq;
+}
+
+static struct irq_chip xilinx_msi_bottom_chip = {
+	.name			= "Xilinx MSI",
+	.irq_set_affinity 	= xilinx_msi_set_affinity,
+	.irq_compose_msi_msg	= xilinx_compose_msi_msg,
+};
+
+static int xilinx_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs, void *args)
+{
+	struct xilinx_pcie_port *port = domain->host_data;
+	int hwirq, i;
+
+	mutex_lock(&port->map_lock);
+
+	hwirq = bitmap_find_free_region(port->msi_map, XILINX_NUM_MSI_IRQS, order_base_2(nr_irqs));
+
+	mutex_unlock(&port->map_lock);
+
+	if (hwirq < 0)
 		return -ENOSPC;
 
-	return pos;
-}
-
-/**
- * xilinx_msi_teardown_irq - Destroy the MSI
- * @chip: MSI Chip descriptor
- * @irq: MSI IRQ to destroy
- */
-static void xilinx_msi_teardown_irq(struct msi_controller *chip,
-				    unsigned int irq)
-{
-	xilinx_pcie_destroy_msi(irq);
-	irq_dispose_mapping(irq);
-}
-
-/**
- * xilinx_pcie_msi_setup_irq - Setup MSI request
- * @chip: MSI chip pointer
- * @pdev: PCIe device pointer
- * @desc: MSI descriptor pointer
- *
- * Return: '0' on success and error value on failure
- */
-static int xilinx_pcie_msi_setup_irq(struct msi_controller *chip,
-				     struct pci_dev *pdev,
-				     struct msi_desc *desc)
-{
-	struct xilinx_pcie_port *port = pdev->bus->sysdata;
-	unsigned int irq;
-	int hwirq;
-	struct msi_msg msg;
-	phys_addr_t msg_addr;
-
-	hwirq = xilinx_pcie_assign_msi();
-	if (hwirq < 0)
-		return hwirq;
-
-	irq = irq_create_mapping(port->msi_domain, hwirq);
-	if (!irq)
-		return -EINVAL;
-
-	irq_set_msi_desc(irq, desc);
-
-	msg_addr = virt_to_phys((void *)port->msi_pages);
-
-	msg.address_hi = 0;
-	msg.address_lo = msg_addr;
-	msg.data = irq;
-
-	pci_write_msi_msg(irq, &msg);
+	for (i = 0; i < nr_irqs; i++)
+		irq_domain_set_info(domain, virq + i, hwirq + i,
+				    &xilinx_msi_bottom_chip, domain->host_data,
+				    handle_edge_irq, NULL, NULL);
 
 	return 0;
 }
 
-/* MSI Chip Descriptor */
-static struct msi_controller xilinx_pcie_msi_chip = {
-	.setup_irq = xilinx_pcie_msi_setup_irq,
-	.teardown_irq = xilinx_msi_teardown_irq,
-};
-
-/* HW Interrupt Chip Descriptor */
-static struct irq_chip xilinx_msi_irq_chip = {
-	.name = "Xilinx PCIe MSI",
-	.irq_enable = pci_msi_unmask_irq,
-	.irq_disable = pci_msi_mask_irq,
-	.irq_mask = pci_msi_mask_irq,
-	.irq_unmask = pci_msi_unmask_irq,
-};
-
-/**
- * xilinx_pcie_msi_map - Set the handler for the MSI and mark IRQ as valid
- * @domain: IRQ domain
- * @irq: Virtual IRQ number
- * @hwirq: HW interrupt number
- *
- * Return: Always returns 0.
- */
-static int xilinx_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
-			       irq_hw_number_t hwirq)
+static void xilinx_msi_domain_free(struct irq_domain *domain, unsigned int virq,
+				  unsigned int nr_irqs)
 {
-	irq_set_chip_and_handler(irq, &xilinx_msi_irq_chip, handle_simple_irq);
-	irq_set_chip_data(irq, domain->host_data);
+	struct irq_data *d = irq_domain_get_irq_data(domain, virq);
+	struct xilinx_pcie_port *port = domain->host_data;
 
-	return 0;
+	mutex_lock(&port->map_lock);
+
+	bitmap_release_region(port->msi_map, d->hwirq, order_base_2(nr_irqs));
+
+	mutex_unlock(&port->map_lock);
 }
 
-/* IRQ Domain operations */
-static const struct irq_domain_ops msi_domain_ops = {
-	.map = xilinx_pcie_msi_map,
+static const struct irq_domain_ops xilinx_msi_domain_ops = {
+	.alloc	= xilinx_msi_domain_alloc,
+	.free	= xilinx_msi_domain_free,
 };
 
-/**
- * xilinx_pcie_enable_msi - Enable MSI support
- * @port: PCIe port information
- */
-static int xilinx_pcie_enable_msi(struct xilinx_pcie_port *port)
-{
-	phys_addr_t msg_addr;
+static struct msi_domain_info xilinx_msi_info = {
+	.flags	= (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS),
+	.chip	= &xilinx_msi_top_chip,
+};
 
-	port->msi_pages = __get_free_pages(GFP_KERNEL, 0);
-	if (!port->msi_pages)
+static int xilinx_allocate_msi_domains(struct xilinx_pcie_port *pcie)
+{
+	struct fwnode_handle *fwnode = dev_fwnode(pcie->dev);
+	struct irq_domain *parent;
+
+	parent = irq_domain_create_linear(fwnode, XILINX_NUM_MSI_IRQS,
+					  &xilinx_msi_domain_ops, pcie);
+	if (!parent) {
+		dev_err(pcie->dev, "failed to create IRQ domain\n");
 		return -ENOMEM;
+	}
+	irq_domain_update_bus_token(parent, DOMAIN_BUS_NEXUS);
 
-	msg_addr = virt_to_phys((void *)port->msi_pages);
-	pcie_write(port, 0x0, XILINX_PCIE_REG_MSIBASE1);
-	pcie_write(port, msg_addr, XILINX_PCIE_REG_MSIBASE2);
+	pcie->msi_domain = pci_msi_create_irq_domain(fwnode, &xilinx_msi_info, parent);
+	if (!pcie->msi_domain) {
+		dev_err(pcie->dev, "failed to create MSI domain\n");
+		irq_domain_remove(parent);
+		return -ENOMEM;
+	}
 
 	return 0;
 }
 
+static void xilinx_free_msi_domains(struct xilinx_pcie_port *pcie)
+{
+	struct irq_domain *parent = pcie->msi_domain->parent;
+
+	irq_domain_remove(pcie->msi_domain);
+	irq_domain_remove(parent);
+}
+
 /* INTx Functions */
 
 /**
@@ -427,6 +392,8 @@
 	}
 
 	if (status & (XILINX_PCIE_INTR_INTX | XILINX_PCIE_INTR_MSI)) {
+		unsigned int irq;
+
 		val = pcie_read(port, XILINX_PCIE_REG_RPIFR1);
 
 		/* Check whether interrupt valid */
@@ -439,20 +406,19 @@
 		if (val & XILINX_PCIE_RPIFR1_MSI_INTR) {
 			val = pcie_read(port, XILINX_PCIE_REG_RPIFR2) &
 				XILINX_PCIE_RPIFR2_MSG_DATA;
+			irq = irq_find_mapping(port->msi_domain->parent, val);
 		} else {
 			val = (val & XILINX_PCIE_RPIFR1_INTR_MASK) >>
 				XILINX_PCIE_RPIFR1_INTR_SHIFT;
-			val = irq_find_mapping(port->leg_domain, val);
+			irq = irq_find_mapping(port->leg_domain, val);
 		}
 
 		/* Clear interrupt FIFO register 1 */
 		pcie_write(port, XILINX_PCIE_RPIFR1_ALL_MASK,
 			   XILINX_PCIE_REG_RPIFR1);
 
-		/* Handle the interrupt */
-		if (IS_ENABLED(CONFIG_PCI_MSI) ||
-		    !(val & XILINX_PCIE_RPIFR1_MSI_INTR))
-			generic_handle_irq(val);
+		if (irq)
+			generic_handle_irq(irq);
 	}
 
 	if (status & XILINX_PCIE_INTR_SLV_UNSUPP)
@@ -498,12 +464,11 @@
 static int xilinx_pcie_init_irq_domain(struct xilinx_pcie_port *port)
 {
 	struct device *dev = port->dev;
-	struct device_node *node = dev->of_node;
 	struct device_node *pcie_intc_node;
 	int ret;
 
 	/* Setup INTx */
-	pcie_intc_node = of_get_next_child(node, NULL);
+	pcie_intc_node = of_get_next_child(dev->of_node, NULL);
 	if (!pcie_intc_node) {
 		dev_err(dev, "No PCIe Intc node found\n");
 		return -ENODEV;
@@ -520,18 +485,14 @@
 
 	/* Setup MSI */
 	if (IS_ENABLED(CONFIG_PCI_MSI)) {
-		port->msi_domain = irq_domain_add_linear(node,
-							 XILINX_NUM_MSI_IRQS,
-							 &msi_domain_ops,
-							 &xilinx_pcie_msi_chip);
-		if (!port->msi_domain) {
-			dev_err(dev, "Failed to get a MSI IRQ domain\n");
-			return -ENODEV;
-		}
+		phys_addr_t pa = ALIGN_DOWN(virt_to_phys(port), SZ_4K);
 
-		ret = xilinx_pcie_enable_msi(port);
+		ret = xilinx_allocate_msi_domains(port);
 		if (ret)
 			return ret;
+
+		pcie_write(port, upper_32_bits(pa), XILINX_PCIE_REG_MSIBASE1);
+		pcie_write(port, lower_32_bits(pa), XILINX_PCIE_REG_MSIBASE2);
 	}
 
 	return 0;
@@ -579,6 +540,7 @@
 	struct device *dev = port->dev;
 	struct device_node *node = dev->of_node;
 	struct resource regs;
+	unsigned int irq;
 	int err;
 
 	err = of_address_to_resource(node, 0, &regs);
@@ -591,12 +553,12 @@
 	if (IS_ERR(port->reg_base))
 		return PTR_ERR(port->reg_base);
 
-	port->irq = irq_of_parse_and_map(node, 0);
-	err = devm_request_irq(dev, port->irq, xilinx_pcie_intr_handler,
+	irq = irq_of_parse_and_map(node, 0);
+	err = devm_request_irq(dev, irq, xilinx_pcie_intr_handler,
 			       IRQF_SHARED | IRQF_NO_THREAD,
 			       "xilinx-pcie", port);
 	if (err) {
-		dev_err(dev, "unable to request irq %d\n", port->irq);
+		dev_err(dev, "unable to request irq %d\n", irq);
 		return err;
 	}
 
@@ -624,7 +586,7 @@
 		return -ENODEV;
 
 	port = pci_host_bridge_priv(bridge);
-
+	mutex_init(&port->map_lock);
 	port->dev = dev;
 
 	err = xilinx_pcie_parse_dt(port);
@@ -644,11 +606,11 @@
 	bridge->sysdata = port;
 	bridge->ops = &xilinx_pcie_ops;
 
-#ifdef CONFIG_PCI_MSI
-	xilinx_pcie_msi_chip.dev = dev;
-	bridge->msi = &xilinx_pcie_msi_chip;
-#endif
-	return pci_host_probe(bridge);
+	err = pci_host_probe(bridge);
+	if (err)
+		xilinx_free_msi_domains(port);
+
+	return err;
 }
 
 static const struct of_device_id xilinx_pcie_of_match[] = {
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 3da69b2..10634c9 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -62,39 +62,18 @@
 /* Arch hooks */
 int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 {
-	struct msi_controller *chip = dev->bus->msi;
-	int err;
-
-	if (!chip || !chip->setup_irq)
-		return -EINVAL;
-
-	err = chip->setup_irq(chip, dev, desc);
-	if (err < 0)
-		return err;
-
-	irq_set_chip_data(desc->irq, chip);
-
-	return 0;
+	return -EINVAL;
 }
 
 void __weak arch_teardown_msi_irq(unsigned int irq)
 {
-	struct msi_controller *chip = irq_get_chip_data(irq);
-
-	if (!chip || !chip->teardown_irq)
-		return;
-
-	chip->teardown_irq(chip, irq);
 }
 
 int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 {
-	struct msi_controller *chip = dev->bus->msi;
 	struct msi_desc *entry;
 	int ret;
 
-	if (chip && chip->setup_irqs)
-		return chip->setup_irqs(chip, dev, nvec, type);
 	/*
 	 * If an architecture wants to support multiple MSI, it needs to
 	 * override arch_setup_msi_irqs()
@@ -113,11 +92,7 @@
 	return 0;
 }
 
-/*
- * We have a default implementation available as a separate non-weak
- * function, as it is used by the Xen x86 PCI code
- */
-void default_teardown_msi_irqs(struct pci_dev *dev)
+void __weak arch_teardown_msi_irqs(struct pci_dev *dev)
 {
 	int i;
 	struct msi_desc *entry;
@@ -127,11 +102,6 @@
 			for (i = 0; i < entry->nvec_used; i++)
 				arch_teardown_msi_irq(entry->irq + i);
 }
-
-void __weak arch_teardown_msi_irqs(struct pci_dev *dev)
-{
-	return default_teardown_msi_irqs(dev);
-}
 #endif /* CONFIG_PCI_MSI_ARCH_FALLBACKS */
 
 static void default_restore_msi_irq(struct pci_dev *dev, int irq)
@@ -923,8 +893,15 @@
 	 * Any bridge which does NOT route MSI transactions from its
 	 * secondary bus to its primary bus must set NO_MSI flag on
 	 * the secondary pci_bus.
-	 * We expect only arch-specific PCI host bus controller driver
-	 * or quirks for specific PCI bridges to be setting NO_MSI.
+	 *
+	 * The NO_MSI flag can either be set directly by:
+	 * - arch-specific PCI host bus controller drivers (deprecated)
+	 * - quirks for specific PCI bridges
+	 *
+	 * or indirectly by platform-specific PCI host bridge drivers by
+	 * advertising the 'msi_domain' property, which results in
+	 * the NO_MSI flag when no MSI domain is found for this bridge
+	 * at probe time.
 	 */
 	for (bus = dev->bus; bus; bus = bus->parent)
 		if (bus->bus_flags & PCI_BUS_FLAGS_NO_MSI)
diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index 3f6ef2f45..86af0ab 100644
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -103,6 +103,13 @@
 #endif
 }
 
+bool pci_host_of_has_msi_map(struct device *dev)
+{
+	if (dev && dev->of_node)
+		return of_get_property(dev->of_node, "msi-map", NULL);
+	return false;
+}
+
 static inline int __of_pci_pci_compare(struct device_node *node,
 				       unsigned int data)
 {
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 1f8106e..b681915 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -31,6 +31,7 @@
 #include <linux/vmalloc.h>
 #include <asm/dma.h>
 #include <linux/aer.h>
+#include <trace/hooks/pci.h>
 #include "pci.h"
 
 DEFINE_MUTEX(pci_slot_mutex);
@@ -68,8 +69,11 @@
 	if (delay < pci_pm_d3hot_delay)
 		delay = pci_pm_d3hot_delay;
 
-	if (delay)
-		msleep(delay);
+	if (delay) {
+		trace_android_rvh_pci_d3_sleep(dev, &delay);
+		if (delay)
+			msleep(delay);
+	}
 }
 
 #ifdef CONFIG_PCI_DOMAINS
@@ -5730,7 +5734,6 @@
 {
 	u16 v;
 	int ret;
-	struct pci_host_bridge *bridge = pci_find_host_bridge(dev->bus);
 
 	if (rq < 128 || rq > 4096 || !is_power_of_2(rq))
 		return -EINVAL;
@@ -5749,15 +5752,6 @@
 
 	v = (ffs(rq) - 8) << 12;
 
-	if (bridge->no_inc_mrrs) {
-		int max_mrrs = pcie_get_readrq(dev);
-
-		if (rq > max_mrrs) {
-			pci_info(dev, "can't set Max_Read_Request_Size to %d; max is %d\n", rq, max_mrrs);
-			return -EINVAL;
-		}
-	}
-
 	ret = pcie_capability_clear_and_set_word(dev, PCI_EXP_DEVCTL,
 						  PCI_EXP_DEVCTL_READRQ, v);
 
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 7243600..43f5082 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -3,6 +3,7 @@
 #define DRIVERS_PCI_H
 
 #include <linux/pci.h>
+#include <linux/android_kabi.h>
 
 /* Number of possible devfns: 0.0 to 1f.7 inclusive */
 #define MAX_NR_DEVFNS 256
@@ -357,6 +358,11 @@
 	u16		subsystem_device; /* VF subsystem device */
 	resource_size_t	barsz[PCI_SRIOV_NUM_BARS];	/* VF BAR size */
 	bool		drivers_autoprobe; /* Auto probing of VFs by driver */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /**
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index ece90a2..a2a0ef4 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -894,7 +894,6 @@
 	/* Temporarily move resources off the list */
 	list_splice_init(&bridge->windows, &resources);
 	bus->sysdata = bridge->sysdata;
-	bus->msi = bridge->msi;
 	bus->ops = bridge->ops;
 	bus->number = bus->busn_res.start = bridge->busnr;
 #ifdef CONFIG_PCI_DOMAINS_GENERIC
@@ -925,6 +924,9 @@
 	device_enable_async_suspend(bus->bridge);
 	pci_set_bus_of_node(bus);
 	pci_set_bus_msi_domain(bus);
+	if (bridge->msi_domain && !dev_get_msi_domain(&bus->dev) &&
+	    !pci_host_of_has_msi_map(parent))
+		bus->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
 
 	if (!parent)
 		set_dev_node(bus->bridge, pcibus_to_node(bus));
@@ -1052,7 +1054,6 @@
 		return NULL;
 
 	child->parent = parent;
-	child->msi = parent->msi;
 	child->sysdata = parent->sysdata;
 	child->bus_flags = parent->bus_flags;
 
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 21661fe..476d4ee 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2600,10 +2600,8 @@
 /* Check the HyperTransport MSI mapping to know whether MSI is enabled or not */
 static void quirk_msi_ht_cap(struct pci_dev *dev)
 {
-	if (dev->subordinate && !msi_ht_cap_enabled(dev)) {
-		pci_warn(dev, "MSI quirk detected; subordinate MSI disabled\n");
-		dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
-	}
+	if (!msi_ht_cap_enabled(dev))
+		quirk_disable_msi(dev);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE,
 			quirk_msi_ht_cap);
@@ -2616,9 +2614,6 @@
 {
 	struct pci_dev *pdev;
 
-	if (!dev->subordinate)
-		return;
-
 	/*
 	 * Check HT MSI cap on this chipset and the root one.  A single one
 	 * having MSI is enough to be sure that MSI is supported.
@@ -2626,10 +2621,8 @@
 	pdev = pci_get_slot(dev->bus, 0);
 	if (!pdev)
 		return;
-	if (!msi_ht_cap_enabled(dev) && !msi_ht_cap_enabled(pdev)) {
-		pci_warn(dev, "MSI quirk detected; subordinate MSI disabled\n");
-		dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
-	}
+	if (!msi_ht_cap_enabled(pdev))
+		quirk_msi_ht_cap(dev);
 	pci_dev_put(pdev);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index c6fe0cf..0bc4d4b 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -693,7 +693,7 @@
 
 	spin_unlock(&pcifront_dev_lock);
 
-	if (!err && !swiotlb_nr_tbl()) {
+	if (!err && !is_swiotlb_active(&pdev->xdev->dev)) {
 		err = pci_xen_swiotlb_init_late();
 		if (err)
 			dev_err(&pdev->xdev->dev, "Could not setup SWIOTLB!\n");
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 7fd11ef..b8695f2 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -984,6 +984,8 @@
 		pmu->name, pmu->num_events,
 		has_nmi ? ", using NMIs" : "");
 
+	kvm_host_pmu_init(pmu);
+
 	return 0;
 
 out_destroy:
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index e3f49d0..6768b2f 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -351,18 +351,6 @@
 	return pinctrl_gpio_direction_output(chip->base + offset);
 }
 
-static int bcm2835_of_gpio_ranges_fallback(struct gpio_chip *gc,
-					   struct device_node *np)
-{
-	struct pinctrl_dev *pctldev = of_pinctrl_get(np);
-
-	if (!pctldev)
-		return 0;
-
-	return gpiochip_add_pin_range(gc, pinctrl_dev_get_devname(pctldev), 0, 0,
-				      gc->ngpio);
-}
-
 static const struct gpio_chip bcm2835_gpio_chip = {
 	.label = MODULE_NAME,
 	.owner = THIS_MODULE,
@@ -377,7 +365,6 @@
 	.base = -1,
 	.ngpio = BCM2835_NUM_GPIOS,
 	.can_sleep = false,
-	.of_gpio_ranges_fallback = bcm2835_of_gpio_ranges_fallback,
 };
 
 static const struct gpio_chip bcm2711_gpio_chip = {
@@ -394,7 +381,6 @@
 	.base = -1,
 	.ngpio = BCM2711_NUM_GPIOS,
 	.can_sleep = false,
-	.of_gpio_ranges_fallback = bcm2835_of_gpio_ranges_fallback,
 };
 
 static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc,
diff --git a/drivers/pinctrl/meson/Kconfig b/drivers/pinctrl/meson/Kconfig
index 3cb1191..b2855e3 100644
--- a/drivers/pinctrl/meson/Kconfig
+++ b/drivers/pinctrl/meson/Kconfig
@@ -1,8 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0-only
 menuconfig PINCTRL_MESON
-	bool "Amlogic SoC pinctrl drivers"
+	tristate "Amlogic SoC pinctrl drivers"
 	depends on ARCH_MESON
 	depends on OF
+	default y
 	select PINMUX
 	select PINCONF
 	select GENERIC_PINCONF
@@ -25,37 +26,37 @@
 	default y
 
 config PINCTRL_MESON_GXBB
-	bool "Meson gxbb SoC pinctrl driver"
+	tristate "Meson gxbb SoC pinctrl driver"
 	depends on ARM64
 	select PINCTRL_MESON8_PMX
 	default y
 
 config PINCTRL_MESON_GXL
-	bool "Meson gxl SoC pinctrl driver"
+	tristate "Meson gxl SoC pinctrl driver"
 	depends on ARM64
 	select PINCTRL_MESON8_PMX
 	default y
 
 config PINCTRL_MESON8_PMX
-	bool
+	tristate
 
 config PINCTRL_MESON_AXG
-	bool "Meson axg Soc pinctrl driver"
+	tristate "Meson axg Soc pinctrl driver"
 	depends on ARM64
 	select PINCTRL_MESON_AXG_PMX
 	default y
 
 config PINCTRL_MESON_AXG_PMX
-	bool
+	tristate
 
 config PINCTRL_MESON_G12A
-	bool "Meson g12a Soc pinctrl driver"
+	tristate "Meson g12a Soc pinctrl driver"
 	depends on ARM64
 	select PINCTRL_MESON_AXG_PMX
 	default y
 
 config PINCTRL_MESON_A1
-	bool "Meson a1 Soc pinctrl driver"
+	tristate "Meson a1 Soc pinctrl driver"
 	depends on ARM64
 	select PINCTRL_MESON_AXG_PMX
 	default y
diff --git a/drivers/pinctrl/meson/pinctrl-meson-a1.c b/drivers/pinctrl/meson/pinctrl-meson-a1.c
index 8abf750..79f5d75 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-a1.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-a1.c
@@ -925,6 +925,7 @@
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, meson_a1_pinctrl_dt_match);
 
 static struct platform_driver meson_a1_pinctrl_driver = {
 	.probe  = meson_pinctrl_probe,
@@ -934,4 +935,5 @@
 	},
 };
 
-builtin_platform_driver(meson_a1_pinctrl_driver);
+module_platform_driver(meson_a1_pinctrl_driver);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c b/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c
index e8931d9..80c4368 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c
@@ -116,3 +116,6 @@
 	.get_function_groups = meson_pmx_get_groups,
 	.gpio_request_enable = meson_axg_pmx_request_gpio,
 };
+EXPORT_SYMBOL_GPL(meson_axg_pmx_ops);
+
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg.c b/drivers/pinctrl/meson/pinctrl-meson-axg.c
index 505466b..d249a03 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-axg.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-axg.c
@@ -1081,6 +1081,7 @@
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, meson_axg_pinctrl_dt_match);
 
 static struct platform_driver meson_axg_pinctrl_driver = {
 	.probe		= meson_pinctrl_probe,
@@ -1090,4 +1091,5 @@
 	},
 };
 
-builtin_platform_driver(meson_axg_pinctrl_driver);
+module_platform_driver(meson_axg_pinctrl_driver);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-g12a.c b/drivers/pinctrl/meson/pinctrl-meson-g12a.c
index 41850e3..cd9656b 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-g12a.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-g12a.c
@@ -1410,6 +1410,7 @@
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, meson_g12a_pinctrl_dt_match);
 
 static struct platform_driver meson_g12a_pinctrl_driver = {
 	.probe  = meson_pinctrl_probe,
@@ -1419,4 +1420,5 @@
 	},
 };
 
-builtin_platform_driver(meson_g12a_pinctrl_driver);
+module_platform_driver(meson_g12a_pinctrl_driver);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
index d130c63..f51fc39 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
@@ -900,6 +900,7 @@
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, meson_gxbb_pinctrl_dt_match);
 
 static struct platform_driver meson_gxbb_pinctrl_driver = {
 	.probe		= meson_pinctrl_probe,
@@ -908,4 +909,5 @@
 		.of_match_table = meson_gxbb_pinctrl_dt_match,
 	},
 };
-builtin_platform_driver(meson_gxbb_pinctrl_driver);
+module_platform_driver(meson_gxbb_pinctrl_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxl.c b/drivers/pinctrl/meson/pinctrl-meson-gxl.c
index 32552d7..5140899 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-gxl.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-gxl.c
@@ -861,6 +861,7 @@
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, meson_gxl_pinctrl_dt_match);
 
 static struct platform_driver meson_gxl_pinctrl_driver = {
 	.probe		= meson_pinctrl_probe,
@@ -869,4 +870,5 @@
 		.of_match_table = meson_gxl_pinctrl_dt_match,
 	},
 };
-builtin_platform_driver(meson_gxl_pinctrl_driver);
+module_platform_driver(meson_gxl_pinctrl_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index 20683cd..4985144 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c
@@ -152,6 +152,7 @@
 
 	return pc->data->num_funcs;
 }
+EXPORT_SYMBOL_GPL(meson_pmx_get_funcs_count);
 
 const char *meson_pmx_get_func_name(struct pinctrl_dev *pcdev,
 				    unsigned selector)
@@ -160,6 +161,7 @@
 
 	return pc->data->funcs[selector].name;
 }
+EXPORT_SYMBOL_GPL(meson_pmx_get_func_name);
 
 int meson_pmx_get_groups(struct pinctrl_dev *pcdev, unsigned selector,
 			 const char * const **groups,
@@ -172,6 +174,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(meson_pmx_get_groups);
 
 static int meson_pinconf_set_gpio_bit(struct meson_pinctrl *pc,
 				      unsigned int pin,
@@ -723,6 +726,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(meson8_aobus_parse_dt_extra);
 
 int meson_a1_parse_dt_extra(struct meson_pinctrl *pc)
 {
@@ -732,6 +736,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(meson_a1_parse_dt_extra);
 
 int meson_pinctrl_probe(struct platform_device *pdev)
 {
@@ -766,3 +771,6 @@
 
 	return meson_gpiolib_register(pc);
 }
+EXPORT_SYMBOL_GPL(meson_pinctrl_probe);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h
index f8b0ff9..ff5372e 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.h
+++ b/drivers/pinctrl/meson/pinctrl-meson.h
@@ -10,6 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/types.h>
+#include <linux/module.h>
 
 struct meson_pinctrl;
 
diff --git a/drivers/pinctrl/meson/pinctrl-meson8-pmx.c b/drivers/pinctrl/meson/pinctrl-meson8-pmx.c
index 66a908f..f767b69 100644
--- a/drivers/pinctrl/meson/pinctrl-meson8-pmx.c
+++ b/drivers/pinctrl/meson/pinctrl-meson8-pmx.c
@@ -100,3 +100,5 @@
 	.get_function_groups = meson_pmx_get_groups,
 	.gpio_request_enable = meson8_pmx_request_gpio,
 };
+EXPORT_SYMBOL_GPL(meson8_pmx_ops);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 5fe7b8a..416bd51 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -2,7 +2,7 @@
 if (ARCH_QCOM || COMPILE_TEST)
 
 config PINCTRL_MSM
-	bool
+	tristate
 	select PINMUX
 	select PINCONF
 	select GENERIC_PINCONF
@@ -13,6 +13,7 @@
 config PINCTRL_APQ8064
 	tristate "Qualcomm APQ8064 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -21,6 +22,7 @@
 config PINCTRL_APQ8084
 	tristate "Qualcomm APQ8084 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -29,6 +31,7 @@
 config PINCTRL_IPQ4019
 	tristate "Qualcomm IPQ4019 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -37,6 +40,7 @@
 config PINCTRL_IPQ8064
 	tristate "Qualcomm IPQ8064 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -45,6 +49,7 @@
 config PINCTRL_IPQ8074
 	tristate "Qualcomm Technologies, Inc. IPQ8074 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -55,6 +60,7 @@
 config PINCTRL_IPQ6018
 	tristate "Qualcomm Technologies, Inc. IPQ6018 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -74,6 +80,7 @@
 config PINCTRL_MSM8660
 	tristate "Qualcomm 8660 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -82,6 +89,7 @@
 config PINCTRL_MSM8960
 	tristate "Qualcomm 8960 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -90,6 +98,7 @@
 config PINCTRL_MDM9615
 	tristate "Qualcomm 9615 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -98,6 +107,7 @@
 config PINCTRL_MSM8X74
 	tristate "Qualcomm 8x74 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -106,6 +116,7 @@
 config PINCTRL_MSM8916
 	tristate "Qualcomm 8916 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -114,6 +125,7 @@
 config PINCTRL_MSM8976
 	tristate "Qualcomm 8976 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -124,6 +136,7 @@
 config PINCTRL_MSM8994
 	tristate "Qualcomm 8994 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -133,6 +146,7 @@
 config PINCTRL_MSM8996
 	tristate "Qualcomm MSM8996 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -141,6 +155,7 @@
 config PINCTRL_MSM8998
 	tristate "Qualcomm MSM8998 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -149,6 +164,7 @@
 config PINCTRL_QCS404
 	tristate "Qualcomm QCS404 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -157,6 +173,7 @@
 config PINCTRL_QDF2XXX
 	tristate "Qualcomm Technologies QDF2xxx pin controller driver"
 	depends on GPIOLIB && ACPI
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the GPIO driver for the TLMM block found on the
@@ -194,6 +211,7 @@
 config PINCTRL_SC7180
 	tristate "Qualcomm Technologies Inc SC7180 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -203,6 +221,7 @@
 config PINCTRL_SDM660
 	tristate "Qualcomm Technologies Inc SDM660 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	 This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -212,6 +231,7 @@
 config PINCTRL_SDM845
 	tristate "Qualcomm Technologies Inc SDM845 pin controller driver"
 	depends on GPIOLIB && (OF || ACPI)
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	 This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -221,6 +241,7 @@
 config PINCTRL_SM8150
 	tristate "Qualcomm Technologies Inc SM8150 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	 This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -230,6 +251,7 @@
 config PINCTRL_SM8250
 	tristate "Qualcomm Technologies Inc SM8250 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 37526aa..a3cef80 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -1473,3 +1473,6 @@
 }
 EXPORT_SYMBOL(msm_pinctrl_remove);
 
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. pinctrl-msm driver");
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index cc33645..935db0e 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -438,8 +438,7 @@
 	if (pd_ctrl->control_flags & USB_PD_CTRL_ACTIVE_LINK_UNIDIR)
 		data.cable_mode |= TBT_CABLE_LINK_TRAINING;
 
-	if (pd_ctrl->cable_gen)
-		data.cable_mode |= TBT_CABLE_ROUNDED;
+	data.cable_mode |= TBT_SET_CABLE_ROUNDED(pd_ctrl->cable_gen);
 
 	/* Enter Mode VDO */
 	data.enter_vdo = TBT_SET_CABLE_SPEED(pd_ctrl->cable_speed);
diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index 0aa46b4..602d968 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -684,11 +684,11 @@
 
 config BATTERY_GOLDFISH
 	tristate "Goldfish battery driver"
-	depends on GOLDFISH || COMPILE_TEST
 	depends on HAS_IOMEM
 	help
-	  Say Y to enable support for the battery and AC power in the
-	  Goldfish emulator.
+	  Say Y to enable support for the Goldfish battery and AC power
+	  driver. Originated in the Android Studio Emulator (goldfish) it is
+	  going to be used in other emulators.
 
 config BATTERY_RT5033
 	tristate "RT5033 fuel gauge support"
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 5c8c117..631fcaa 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -32,6 +32,13 @@
 
 static struct device_type power_supply_dev_type;
 
+struct match_device_node_array_param {
+	struct device_node *parent_of_node;
+	struct power_supply **psy;
+	ssize_t psy_size;
+	ssize_t psy_count;
+};
+
 #define POWER_SUPPLY_DEFERRED_REGISTER_TIME	msecs_to_jiffies(10)
 
 static bool __power_supply_is_supplied_by(struct power_supply *supplier,
@@ -529,6 +536,77 @@
 }
 EXPORT_SYMBOL_GPL(power_supply_get_by_phandle);
 
+static int power_supply_match_device_node_array(struct device *dev,
+						void *data)
+{
+	struct match_device_node_array_param *param =
+		(struct match_device_node_array_param *)data;
+	struct power_supply **psy = param->psy;
+	ssize_t size = param->psy_size;
+	ssize_t *count = &param->psy_count;
+
+	if (!dev->parent || dev->parent->of_node != param->parent_of_node)
+		return 0;
+
+	if (*count >= size)
+		return -EOVERFLOW;
+
+	psy[*count] = dev_get_drvdata(dev);
+	atomic_inc(&psy[*count]->use_cnt);
+	(*count)++;
+
+	return 0;
+}
+
+/**
+ * power_supply_get_by_phandle_array() - Similar to
+ * power_supply_get_by_phandle but returns an array of power supply
+ * objects which are associated with the phandle.
+ * @np: Pointer to device node holding phandle property.
+ * @property: Name of property holding a power supply name.
+ * @psy: Array of power_supply pointers provided by the client which is
+ * filled by power_supply_get_by_phandle_array.
+ * @size: size of power_supply pointer array.
+ *
+ * If power supply was found, it increases reference count for the
+ * internal power supply's device. The user should power_supply_put()
+ * after usage.
+ *
+ * Return: On success returns the number of power supply objects filled
+ * in the @psy array.
+ * -EOVERFLOW when size of @psy array is not suffice.
+ * -EINVAL when @psy is NULL or @size is 0.
+ * -ENODEV when matching device_node is not found.
+ */
+int power_supply_get_by_phandle_array(struct device_node *np,
+				      const char *property,
+				      struct power_supply **psy,
+				      ssize_t size)
+{
+	struct device_node *power_supply_np;
+	int ret;
+	struct match_device_node_array_param param;
+
+	if (!psy || !size)
+		return -EINVAL;
+
+	power_supply_np = of_parse_phandle(np, property, 0);
+	if (!power_supply_np)
+		return -ENODEV;
+
+	param.parent_of_node = power_supply_np;
+	param.psy = psy;
+	param.psy_size = size;
+	param.psy_count = 0;
+	ret = class_for_each_device(power_supply_class, NULL, &param,
+				    power_supply_match_device_node_array);
+
+	of_node_put(power_supply_np);
+
+	return param.psy_count;
+}
+EXPORT_SYMBOL_GPL(power_supply_get_by_phandle_array);
+
 static void devm_power_supply_put(struct device *dev, void *res)
 {
 	struct power_supply **psy = res;
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 2b1df9c..932b890 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -89,6 +89,7 @@
 	[POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE]	= "Adaptive",
 	[POWER_SUPPLY_CHARGE_TYPE_CUSTOM]	= "Custom",
 	[POWER_SUPPLY_CHARGE_TYPE_LONGLIFE]	= "Long Life",
+	[POWER_SUPPLY_CHARGE_TYPE_TAPER]	= "Taper",
 };
 
 static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
diff --git a/drivers/powercap/Kconfig b/drivers/powercap/Kconfig
index 0e4b2c2..503797b 100644
--- a/drivers/powercap/Kconfig
+++ b/drivers/powercap/Kconfig
@@ -45,4 +45,17 @@
 	  CPUs for power capping. Idle period can be injected
 	  synchronously on a set of specified CPUs or alternatively
 	  on a per CPU basis.
+
+config DTPM
+	bool "Power capping for Dynamic Thermal Power Management (EXPERIMENTAL)"
+	help
+	  This enables support for the power capping for the dynamic
+	  thermal power management userspace engine.
+
+config DTPM_CPU
+	bool "Add CPU power capping based on the energy model"
+	depends on DTPM && ENERGY_MODEL
+	help
+	  This enables support for CPU power limitation based on
+	  energy model.
 endif
diff --git a/drivers/powercap/Makefile b/drivers/powercap/Makefile
index 7255c94..fabcf38 100644
--- a/drivers/powercap/Makefile
+++ b/drivers/powercap/Makefile
@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_DTPM) += dtpm.o
+obj-$(CONFIG_DTPM_CPU) += dtpm_cpu.o
 obj-$(CONFIG_POWERCAP)	+= powercap_sys.o
 obj-$(CONFIG_INTEL_RAPL_CORE) += intel_rapl_common.o
 obj-$(CONFIG_INTEL_RAPL) += intel_rapl_msr.o
diff --git a/drivers/powercap/dtpm.c b/drivers/powercap/dtpm.c
new file mode 100644
index 0000000..c2185ec
--- /dev/null
+++ b/drivers/powercap/dtpm.c
@@ -0,0 +1,483 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2020 Linaro Limited
+ *
+ * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
+ *
+ * The powercap based Dynamic Thermal Power Management framework
+ * provides to the userspace a consistent API to set the power limit
+ * on some devices.
+ *
+ * DTPM defines the functions to create a tree of constraints. Each
+ * parent node is a virtual description of the aggregation of the
+ * children. It propagates the constraints set at its level to its
+ * children and collect the children power information. The leaves of
+ * the tree are the real devices which have the ability to get their
+ * current power consumption and set their power limit.
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/dtpm.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/powercap.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+
+#define DTPM_POWER_LIMIT_FLAG 0
+
+static const char *constraint_name[] = {
+	"Instantaneous",
+};
+
+static DEFINE_MUTEX(dtpm_lock);
+static struct powercap_control_type *pct;
+static struct dtpm *root;
+
+static int get_time_window_us(struct powercap_zone *pcz, int cid, u64 *window)
+{
+	return -ENOSYS;
+}
+
+static int set_time_window_us(struct powercap_zone *pcz, int cid, u64 window)
+{
+	return -ENOSYS;
+}
+
+static int get_max_power_range_uw(struct powercap_zone *pcz, u64 *max_power_uw)
+{
+	struct dtpm *dtpm = to_dtpm(pcz);
+
+	mutex_lock(&dtpm_lock);
+	*max_power_uw = dtpm->power_max - dtpm->power_min;
+	mutex_unlock(&dtpm_lock);
+
+	return 0;
+}
+
+static int __get_power_uw(struct dtpm *dtpm, u64 *power_uw)
+{
+	struct dtpm *child;
+	u64 power;
+	int ret = 0;
+
+	if (dtpm->ops) {
+		*power_uw = dtpm->ops->get_power_uw(dtpm);
+		return 0;
+	}
+
+	*power_uw = 0;
+
+	list_for_each_entry(child, &dtpm->children, sibling) {
+		ret = __get_power_uw(child, &power);
+		if (ret)
+			break;
+		*power_uw += power;
+	}
+
+	return ret;
+}
+
+static int get_power_uw(struct powercap_zone *pcz, u64 *power_uw)
+{
+	struct dtpm *dtpm = to_dtpm(pcz);
+	int ret;
+
+	mutex_lock(&dtpm_lock);
+	ret = __get_power_uw(dtpm, power_uw);
+	mutex_unlock(&dtpm_lock);
+
+	return ret;
+}
+
+static void __dtpm_rebalance_weight(struct dtpm *dtpm)
+{
+	struct dtpm *child;
+
+	list_for_each_entry(child, &dtpm->children, sibling) {
+
+		pr_debug("Setting weight '%d' for '%s'\n",
+			 child->weight, child->zone.name);
+
+		child->weight = DIV64_U64_ROUND_CLOSEST(
+			child->power_max * 1024, dtpm->power_max);
+
+		__dtpm_rebalance_weight(child);
+	}
+}
+
+static void __dtpm_sub_power(struct dtpm *dtpm)
+{
+	struct dtpm *parent = dtpm->parent;
+
+	while (parent) {
+		parent->power_min -= dtpm->power_min;
+		parent->power_max -= dtpm->power_max;
+		parent->power_limit -= dtpm->power_limit;
+		parent = parent->parent;
+	}
+
+	__dtpm_rebalance_weight(root);
+}
+
+static void __dtpm_add_power(struct dtpm *dtpm)
+{
+	struct dtpm *parent = dtpm->parent;
+
+	while (parent) {
+		parent->power_min += dtpm->power_min;
+		parent->power_max += dtpm->power_max;
+		parent->power_limit += dtpm->power_limit;
+		parent = parent->parent;
+	}
+
+	__dtpm_rebalance_weight(root);
+}
+
+/**
+ * dtpm_update_power - Update the power on the dtpm
+ * @dtpm: a pointer to a dtpm structure to update
+ * @power_min: a u64 representing the new power_min value
+ * @power_max: a u64 representing the new power_max value
+ *
+ * Function to update the power values of the dtpm node specified in
+ * parameter. These new values will be propagated to the tree.
+ *
+ * Return: zero on success, -EINVAL if the values are inconsistent
+ */
+int dtpm_update_power(struct dtpm *dtpm, u64 power_min, u64 power_max)
+{
+	int ret = 0;
+
+	mutex_lock(&dtpm_lock);
+
+	if (power_min == dtpm->power_min && power_max == dtpm->power_max)
+		goto unlock;
+
+	if (power_max < power_min) {
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	__dtpm_sub_power(dtpm);
+
+	dtpm->power_min = power_min;
+	dtpm->power_max = power_max;
+	if (!test_bit(DTPM_POWER_LIMIT_FLAG, &dtpm->flags))
+		dtpm->power_limit = power_max;
+
+	__dtpm_add_power(dtpm);
+
+unlock:
+	mutex_unlock(&dtpm_lock);
+
+	return ret;
+}
+
+/**
+ * dtpm_release_zone - Cleanup when the node is released
+ * @pcz: a pointer to a powercap_zone structure
+ *
+ * Do some housecleaning and update the weight on the tree. The
+ * release will be denied if the node has children. This function must
+ * be called by the specific release callback of the different
+ * backends.
+ *
+ * Return: 0 on success, -EBUSY if there are children
+ */
+int dtpm_release_zone(struct powercap_zone *pcz)
+{
+	struct dtpm *dtpm = to_dtpm(pcz);
+	struct dtpm *parent = dtpm->parent;
+
+	mutex_lock(&dtpm_lock);
+
+	if (!list_empty(&dtpm->children)) {
+		mutex_unlock(&dtpm_lock);
+		return -EBUSY;
+	}
+
+	if (parent)
+		list_del(&dtpm->sibling);
+
+	__dtpm_sub_power(dtpm);
+
+	mutex_unlock(&dtpm_lock);
+
+	if (dtpm->ops)
+		dtpm->ops->release(dtpm);
+
+	if (root == dtpm)
+		root = NULL;
+
+	kfree(dtpm);
+
+	return 0;
+}
+
+static int __get_power_limit_uw(struct dtpm *dtpm, int cid, u64 *power_limit)
+{
+	*power_limit = dtpm->power_limit;
+	return 0;
+}
+
+static int get_power_limit_uw(struct powercap_zone *pcz,
+			      int cid, u64 *power_limit)
+{
+	struct dtpm *dtpm = to_dtpm(pcz);
+	int ret;
+
+	mutex_lock(&dtpm_lock);
+	ret = __get_power_limit_uw(dtpm, cid, power_limit);
+	mutex_unlock(&dtpm_lock);
+
+	return ret;
+}
+
+/*
+ * Set the power limit on the nodes, the power limit is distributed
+ * given the weight of the children.
+ *
+ * The dtpm node lock must be held when calling this function.
+ */
+static int __set_power_limit_uw(struct dtpm *dtpm, int cid, u64 power_limit)
+{
+	struct dtpm *child;
+	int ret = 0;
+	u64 power;
+
+	/*
+	 * A max power limitation means we remove the power limit,
+	 * otherwise we set a constraint and flag the dtpm node.
+	 */
+	if (power_limit == dtpm->power_max) {
+		clear_bit(DTPM_POWER_LIMIT_FLAG, &dtpm->flags);
+	} else {
+		set_bit(DTPM_POWER_LIMIT_FLAG, &dtpm->flags);
+	}
+
+	pr_debug("Setting power limit for '%s': %llu uW\n",
+		 dtpm->zone.name, power_limit);
+
+	/*
+	 * Only leaves of the dtpm tree has ops to get/set the power
+	 */
+	if (dtpm->ops) {
+		dtpm->power_limit = dtpm->ops->set_power_uw(dtpm, power_limit);
+	} else {
+		dtpm->power_limit = 0;
+
+		list_for_each_entry(child, &dtpm->children, sibling) {
+
+			/*
+			 * Integer division rounding will inevitably
+			 * lead to a different min or max value when
+			 * set several times. In order to restore the
+			 * initial value, we force the child's min or
+			 * max power every time if the constraint is
+			 * at the boundaries.
+			 */
+			if (power_limit == dtpm->power_max) {
+				power = child->power_max;
+			} else if (power_limit == dtpm->power_min) {
+				power = child->power_min;
+			} else {
+				power = DIV_ROUND_CLOSEST_ULL(
+					power_limit * child->weight, 1024);
+			}
+
+			pr_debug("Setting power limit for '%s': %llu uW\n",
+				 child->zone.name, power);
+
+			ret = __set_power_limit_uw(child, cid, power);
+			if (!ret)
+				ret = __get_power_limit_uw(child, cid, &power);
+
+			if (ret)
+				break;
+
+			dtpm->power_limit += power;
+		}
+	}
+
+	return ret;
+}
+
+static int set_power_limit_uw(struct powercap_zone *pcz,
+			      int cid, u64 power_limit)
+{
+	struct dtpm *dtpm = to_dtpm(pcz);
+	int ret;
+
+	mutex_lock(&dtpm_lock);
+
+	/*
+	 * Don't allow values outside of the power range previously
+	 * set when initializing the power numbers.
+	 */
+	power_limit = clamp_val(power_limit, dtpm->power_min, dtpm->power_max);
+
+	ret = __set_power_limit_uw(dtpm, cid, power_limit);
+
+	pr_debug("%s: power limit: %llu uW, power max: %llu uW\n",
+		 dtpm->zone.name, dtpm->power_limit, dtpm->power_max);
+
+	mutex_unlock(&dtpm_lock);
+
+	return ret;
+}
+
+static const char *get_constraint_name(struct powercap_zone *pcz, int cid)
+{
+	return constraint_name[cid];
+}
+
+static int get_max_power_uw(struct powercap_zone *pcz, int id, u64 *max_power)
+{
+	struct dtpm *dtpm = to_dtpm(pcz);
+
+	mutex_lock(&dtpm_lock);
+	*max_power = dtpm->power_max;
+	mutex_unlock(&dtpm_lock);
+
+	return 0;
+}
+
+static struct powercap_zone_constraint_ops constraint_ops = {
+	.set_power_limit_uw = set_power_limit_uw,
+	.get_power_limit_uw = get_power_limit_uw,
+	.set_time_window_us = set_time_window_us,
+	.get_time_window_us = get_time_window_us,
+	.get_max_power_uw = get_max_power_uw,
+	.get_name = get_constraint_name,
+};
+
+static struct powercap_zone_ops zone_ops = {
+	.get_max_power_range_uw = get_max_power_range_uw,
+	.get_power_uw = get_power_uw,
+	.release = dtpm_release_zone,
+};
+
+/**
+ * dtpm_alloc - Allocate and initialize a dtpm struct
+ * @name: a string specifying the name of the node
+ *
+ * Return: a struct dtpm pointer, NULL in case of error
+ */
+struct dtpm *dtpm_alloc(struct dtpm_ops *ops)
+{
+	struct dtpm *dtpm;
+
+	dtpm = kzalloc(sizeof(*dtpm), GFP_KERNEL);
+	if (dtpm) {
+		INIT_LIST_HEAD(&dtpm->children);
+		INIT_LIST_HEAD(&dtpm->sibling);
+		dtpm->weight = 1024;
+		dtpm->ops = ops;
+	}
+
+	return dtpm;
+}
+
+/**
+ * dtpm_unregister - Unregister a dtpm node from the hierarchy tree
+ * @dtpm: a pointer to a dtpm structure corresponding to the node to be removed
+ *
+ * Call the underlying powercap unregister function. That will call
+ * the release callback of the powercap zone.
+ */
+void dtpm_unregister(struct dtpm *dtpm)
+{
+	powercap_unregister_zone(pct, &dtpm->zone);
+
+	pr_info("Unregistered dtpm node '%s'\n", dtpm->zone.name);
+}
+
+/**
+ * dtpm_register - Register a dtpm node in the hierarchy tree
+ * @name: a string specifying the name of the node
+ * @dtpm: a pointer to a dtpm structure corresponding to the new node
+ * @parent: a pointer to a dtpm structure corresponding to the parent node
+ *
+ * Create a dtpm node in the tree. If no parent is specified, the node
+ * is the root node of the hierarchy. If the root node already exists,
+ * then the registration will fail. The powercap controller must be
+ * initialized before calling this function.
+ *
+ * The dtpm structure must be initialized with the power numbers
+ * before calling this function.
+ *
+ * Return: zero on success, a negative value in case of error:
+ *  -EAGAIN: the function is called before the framework is initialized.
+ *  -EBUSY: the root node is already inserted
+ *  -EINVAL: * there is no root node yet and @parent is specified
+ *           * no all ops are defined
+ *           * parent have ops which are reserved for leaves
+ *   Other negative values are reported back from the powercap framework
+ */
+int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent)
+{
+	struct powercap_zone *pcz;
+
+	if (!pct)
+		return -EAGAIN;
+
+	if (root && !parent)
+		return -EBUSY;
+
+	if (!root && parent)
+		return -EINVAL;
+
+	if (parent && parent->ops)
+		return -EINVAL;
+
+	if (!dtpm)
+		return -EINVAL;
+
+	if (dtpm->ops && !(dtpm->ops->set_power_uw &&
+			   dtpm->ops->get_power_uw &&
+			   dtpm->ops->release))
+		return -EINVAL;
+
+	pcz = powercap_register_zone(&dtpm->zone, pct, name,
+				     parent ? &parent->zone : NULL,
+				     &zone_ops, MAX_DTPM_CONSTRAINTS,
+				     &constraint_ops);
+	if (IS_ERR(pcz))
+		return PTR_ERR(pcz);
+
+	mutex_lock(&dtpm_lock);
+
+	if (parent) {
+		list_add_tail(&dtpm->sibling, &parent->children);
+		dtpm->parent = parent;
+	} else {
+		root = dtpm;
+	}
+
+	__dtpm_add_power(dtpm);
+
+	pr_info("Registered dtpm node '%s' / %llu-%llu uW, \n",
+		dtpm->zone.name, dtpm->power_min, dtpm->power_max);
+
+	mutex_unlock(&dtpm_lock);
+
+	return 0;
+}
+
+static int __init dtpm_init(void)
+{
+	struct dtpm_descr **dtpm_descr;
+
+	pct = powercap_register_control_type(NULL, "dtpm", NULL);
+	if (IS_ERR(pct)) {
+		pr_err("Failed to register control type\n");
+		return PTR_ERR(pct);
+	}
+
+	for_each_dtpm_table(dtpm_descr)
+		(*dtpm_descr)->init(*dtpm_descr);
+
+	return 0;
+}
+late_initcall(dtpm_init);
diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c
new file mode 100644
index 0000000..51c3669
--- /dev/null
+++ b/drivers/powercap/dtpm_cpu.c
@@ -0,0 +1,257 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2020 Linaro Limited
+ *
+ * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
+ *
+ * The DTPM CPU is based on the energy model. It hooks the CPU in the
+ * DTPM tree which in turns update the power number by propagating the
+ * power number from the CPU energy model information to the parents.
+ *
+ * The association between the power and the performance state, allows
+ * to set the power of the CPU at the OPP granularity.
+ *
+ * The CPU hotplug is supported and the power numbers will be updated
+ * if a CPU is hot plugged / unplugged.
+ */
+#include <linux/cpumask.h>
+#include <linux/cpufreq.h>
+#include <linux/cpuhotplug.h>
+#include <linux/dtpm.h>
+#include <linux/energy_model.h>
+#include <linux/pm_qos.h>
+#include <linux/slab.h>
+#include <linux/units.h>
+
+static struct dtpm *__parent;
+
+static DEFINE_PER_CPU(struct dtpm *, dtpm_per_cpu);
+
+struct dtpm_cpu {
+	struct freq_qos_request qos_req;
+	int cpu;
+};
+
+/*
+ * When a new CPU is inserted at hotplug or boot time, add the power
+ * contribution and update the dtpm tree.
+ */
+static int power_add(struct dtpm *dtpm, struct em_perf_domain *em)
+{
+	u64 power_min, power_max;
+
+	power_min = em->table[0].power;
+	power_min *= MICROWATT_PER_MILLIWATT;
+	power_min += dtpm->power_min;
+
+	power_max = em->table[em->nr_perf_states - 1].power;
+	power_max *= MICROWATT_PER_MILLIWATT;
+	power_max += dtpm->power_max;
+
+	return dtpm_update_power(dtpm, power_min, power_max);
+}
+
+/*
+ * When a CPU is unplugged, remove its power contribution from the
+ * dtpm tree.
+ */
+static int power_sub(struct dtpm *dtpm, struct em_perf_domain *em)
+{
+	u64 power_min, power_max;
+
+	power_min = em->table[0].power;
+	power_min *= MICROWATT_PER_MILLIWATT;
+	power_min = dtpm->power_min - power_min;
+
+	power_max = em->table[em->nr_perf_states - 1].power;
+	power_max *= MICROWATT_PER_MILLIWATT;
+	power_max = dtpm->power_max - power_max;
+
+	return dtpm_update_power(dtpm, power_min, power_max);
+}
+
+static u64 set_pd_power_limit(struct dtpm *dtpm, u64 power_limit)
+{
+	struct dtpm_cpu *dtpm_cpu = dtpm->private;
+	struct em_perf_domain *pd;
+	struct cpumask cpus;
+	unsigned long freq;
+	u64 power;
+	int i, nr_cpus;
+
+	pd = em_cpu_get(dtpm_cpu->cpu);
+
+	cpumask_and(&cpus, cpu_online_mask, to_cpumask(pd->cpus));
+
+	nr_cpus = cpumask_weight(&cpus);
+
+	for (i = 0; i < pd->nr_perf_states; i++) {
+
+		power = pd->table[i].power * MICROWATT_PER_MILLIWATT * nr_cpus;
+
+		if (power > power_limit)
+			break;
+	}
+
+	freq = pd->table[i - 1].frequency;
+
+	freq_qos_update_request(&dtpm_cpu->qos_req, freq);
+
+	power_limit = pd->table[i - 1].power *
+		MICROWATT_PER_MILLIWATT * nr_cpus;
+
+	return power_limit;
+}
+
+static u64 get_pd_power_uw(struct dtpm *dtpm)
+{
+	struct dtpm_cpu *dtpm_cpu = dtpm->private;
+	struct em_perf_domain *pd;
+	struct cpumask cpus;
+	unsigned long freq;
+	int i, nr_cpus;
+
+	pd = em_cpu_get(dtpm_cpu->cpu);
+	freq = cpufreq_quick_get(dtpm_cpu->cpu);
+	cpumask_and(&cpus, cpu_online_mask, to_cpumask(pd->cpus));
+	nr_cpus = cpumask_weight(&cpus);
+
+	for (i = 0; i < pd->nr_perf_states; i++) {
+
+		if (pd->table[i].frequency < freq)
+			continue;
+
+		return pd->table[i].power *
+			MICROWATT_PER_MILLIWATT * nr_cpus;
+	}
+
+	return 0;
+}
+
+static void pd_release(struct dtpm *dtpm)
+{
+	struct dtpm_cpu *dtpm_cpu = dtpm->private;
+
+	if (freq_qos_request_active(&dtpm_cpu->qos_req))
+		freq_qos_remove_request(&dtpm_cpu->qos_req);
+
+	kfree(dtpm_cpu);
+}
+
+static struct dtpm_ops dtpm_ops = {
+	.set_power_uw = set_pd_power_limit,
+	.get_power_uw = get_pd_power_uw,
+	.release = pd_release,
+};
+
+static int cpuhp_dtpm_cpu_offline(unsigned int cpu)
+{
+	struct cpufreq_policy *policy;
+	struct em_perf_domain *pd;
+	struct dtpm *dtpm;
+
+	policy = cpufreq_cpu_get(cpu);
+
+	if (!policy)
+		return 0;
+
+	pd = em_cpu_get(cpu);
+	if (!pd)
+		return -EINVAL;
+
+	dtpm = per_cpu(dtpm_per_cpu, cpu);
+
+	power_sub(dtpm, pd);
+
+	if (cpumask_weight(policy->cpus) != 1)
+		return 0;
+
+	for_each_cpu(cpu, policy->related_cpus)
+		per_cpu(dtpm_per_cpu, cpu) = NULL;
+
+	dtpm_unregister(dtpm);
+
+	return 0;
+}
+
+static int cpuhp_dtpm_cpu_online(unsigned int cpu)
+{
+	struct dtpm *dtpm;
+	struct dtpm_cpu *dtpm_cpu;
+	struct cpufreq_policy *policy;
+	struct em_perf_domain *pd;
+	char name[CPUFREQ_NAME_LEN];
+	int ret = -ENOMEM;
+
+	policy = cpufreq_cpu_get(cpu);
+
+	if (!policy)
+		return 0;
+
+	pd = em_cpu_get(cpu);
+	if (!pd)
+		return -EINVAL;
+
+	dtpm = per_cpu(dtpm_per_cpu, cpu);
+	if (dtpm)
+		return power_add(dtpm, pd);
+
+	dtpm = dtpm_alloc(&dtpm_ops);
+	if (!dtpm)
+		return -EINVAL;
+
+	dtpm_cpu = kzalloc(sizeof(*dtpm_cpu), GFP_KERNEL);
+	if (!dtpm_cpu)
+		goto out_kfree_dtpm;
+
+	dtpm->private = dtpm_cpu;
+	dtpm_cpu->cpu = cpu;
+
+	for_each_cpu(cpu, policy->related_cpus)
+		per_cpu(dtpm_per_cpu, cpu) = dtpm;
+
+	sprintf(name, "cpu%d", dtpm_cpu->cpu);
+
+	ret = dtpm_register(name, dtpm, __parent);
+	if (ret)
+		goto out_kfree_dtpm_cpu;
+
+	ret = power_add(dtpm, pd);
+	if (ret)
+		goto out_dtpm_unregister;
+
+	ret = freq_qos_add_request(&policy->constraints,
+				   &dtpm_cpu->qos_req, FREQ_QOS_MAX,
+				   pd->table[pd->nr_perf_states - 1].frequency);
+	if (ret)
+		goto out_power_sub;
+
+	return 0;
+
+out_power_sub:
+	power_sub(dtpm, pd);
+
+out_dtpm_unregister:
+	dtpm_unregister(dtpm);
+	dtpm_cpu = NULL;
+	dtpm = NULL;
+
+out_kfree_dtpm_cpu:
+	for_each_cpu(cpu, policy->related_cpus)
+		per_cpu(dtpm_per_cpu, cpu) = NULL;
+	kfree(dtpm_cpu);
+
+out_kfree_dtpm:
+	kfree(dtpm);
+	return ret;
+}
+
+int dtpm_register_cpu(struct dtpm *parent)
+{
+	__parent = parent;
+
+	return cpuhp_setup_state(CPUHP_AP_DTPM_CPU_ONLINE,
+				 "dtpm_cpu:online",
+				 cpuhp_dtpm_cpu_online,
+				 cpuhp_dtpm_cpu_offline);
+}
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 3e377f3..1b5834a 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -109,7 +109,7 @@
 config PTP_1588_CLOCK_KVM
 	tristate "KVM virtual PTP clock"
 	depends on PTP_1588_CLOCK
-	depends on KVM_GUEST && X86
+	depends on (KVM_GUEST && X86) || (HAVE_ARM_SMCCC_DISCOVERY && ARM_ARCH_TIMER)
 	default y
 	help
 	  This driver adds support for using kvm infrastructure as a PTP
diff --git a/drivers/ptp/Makefile b/drivers/ptp/Makefile
index 7aff75f..9fa5ede 100644
--- a/drivers/ptp/Makefile
+++ b/drivers/ptp/Makefile
@@ -4,6 +4,8 @@
 #
 
 ptp-y					:= ptp_clock.o ptp_chardev.o ptp_sysfs.o
+ptp_kvm-$(CONFIG_X86)			:= ptp_kvm_x86.o ptp_kvm_common.o
+ptp_kvm-$(CONFIG_HAVE_ARM_SMCCC)	:= ptp_kvm_arm.o ptp_kvm_common.o
 obj-$(CONFIG_PTP_1588_CLOCK)		+= ptp.o
 obj-$(CONFIG_PTP_1588_CLOCK_DTE)	+= ptp_dte.o
 obj-$(CONFIG_PTP_1588_CLOCK_INES)	+= ptp_ines.o
diff --git a/drivers/ptp/ptp_kvm.c b/drivers/ptp/ptp_kvm.c
deleted file mode 100644
index 658d33f..0000000
--- a/drivers/ptp/ptp_kvm.c
+++ /dev/null
@@ -1,197 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Virtual PTP 1588 clock for use with KVM guests
- *
- * Copyright (C) 2017 Red Hat Inc.
- */
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <uapi/linux/kvm_para.h>
-#include <asm/kvm_para.h>
-#include <asm/pvclock.h>
-#include <asm/kvmclock.h>
-#include <uapi/asm/kvm_para.h>
-
-#include <linux/ptp_clock_kernel.h>
-
-struct kvm_ptp_clock {
-	struct ptp_clock *ptp_clock;
-	struct ptp_clock_info caps;
-};
-
-static DEFINE_SPINLOCK(kvm_ptp_lock);
-
-static struct pvclock_vsyscall_time_info *hv_clock;
-
-static struct kvm_clock_pairing clock_pair;
-static phys_addr_t clock_pair_gpa;
-
-static int ptp_kvm_get_time_fn(ktime_t *device_time,
-			       struct system_counterval_t *system_counter,
-			       void *ctx)
-{
-	unsigned long ret;
-	struct timespec64 tspec;
-	unsigned version;
-	int cpu;
-	struct pvclock_vcpu_time_info *src;
-
-	spin_lock(&kvm_ptp_lock);
-
-	preempt_disable_notrace();
-	cpu = smp_processor_id();
-	src = &hv_clock[cpu].pvti;
-
-	do {
-		/*
-		 * We are using a TSC value read in the hosts
-		 * kvm_hc_clock_pairing handling.
-		 * So any changes to tsc_to_system_mul
-		 * and tsc_shift or any other pvclock
-		 * data invalidate that measurement.
-		 */
-		version = pvclock_read_begin(src);
-
-		ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING,
-				     clock_pair_gpa,
-				     KVM_CLOCK_PAIRING_WALLCLOCK);
-		if (ret != 0) {
-			pr_err_ratelimited("clock pairing hypercall ret %lu\n", ret);
-			spin_unlock(&kvm_ptp_lock);
-			preempt_enable_notrace();
-			return -EOPNOTSUPP;
-		}
-
-		tspec.tv_sec = clock_pair.sec;
-		tspec.tv_nsec = clock_pair.nsec;
-		ret = __pvclock_read_cycles(src, clock_pair.tsc);
-	} while (pvclock_read_retry(src, version));
-
-	preempt_enable_notrace();
-
-	system_counter->cycles = ret;
-	system_counter->cs = &kvm_clock;
-
-	*device_time = timespec64_to_ktime(tspec);
-
-	spin_unlock(&kvm_ptp_lock);
-
-	return 0;
-}
-
-static int ptp_kvm_getcrosststamp(struct ptp_clock_info *ptp,
-				  struct system_device_crosststamp *xtstamp)
-{
-	return get_device_system_crosststamp(ptp_kvm_get_time_fn, NULL,
-					     NULL, xtstamp);
-}
-
-/*
- * PTP clock operations
- */
-
-static int ptp_kvm_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
-{
-	return -EOPNOTSUPP;
-}
-
-static int ptp_kvm_adjtime(struct ptp_clock_info *ptp, s64 delta)
-{
-	return -EOPNOTSUPP;
-}
-
-static int ptp_kvm_settime(struct ptp_clock_info *ptp,
-			   const struct timespec64 *ts)
-{
-	return -EOPNOTSUPP;
-}
-
-static int ptp_kvm_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
-{
-	unsigned long ret;
-	struct timespec64 tspec;
-
-	spin_lock(&kvm_ptp_lock);
-
-	ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING,
-			     clock_pair_gpa,
-			     KVM_CLOCK_PAIRING_WALLCLOCK);
-	if (ret != 0) {
-		pr_err_ratelimited("clock offset hypercall ret %lu\n", ret);
-		spin_unlock(&kvm_ptp_lock);
-		return -EOPNOTSUPP;
-	}
-
-	tspec.tv_sec = clock_pair.sec;
-	tspec.tv_nsec = clock_pair.nsec;
-	spin_unlock(&kvm_ptp_lock);
-
-	memcpy(ts, &tspec, sizeof(struct timespec64));
-
-	return 0;
-}
-
-static int ptp_kvm_enable(struct ptp_clock_info *ptp,
-			  struct ptp_clock_request *rq, int on)
-{
-	return -EOPNOTSUPP;
-}
-
-static const struct ptp_clock_info ptp_kvm_caps = {
-	.owner		= THIS_MODULE,
-	.name		= "KVM virtual PTP",
-	.max_adj	= 0,
-	.n_ext_ts	= 0,
-	.n_pins		= 0,
-	.pps		= 0,
-	.adjfreq	= ptp_kvm_adjfreq,
-	.adjtime	= ptp_kvm_adjtime,
-	.gettime64	= ptp_kvm_gettime,
-	.settime64	= ptp_kvm_settime,
-	.enable		= ptp_kvm_enable,
-	.getcrosststamp = ptp_kvm_getcrosststamp,
-};
-
-/* module operations */
-
-static struct kvm_ptp_clock kvm_ptp_clock;
-
-static void __exit ptp_kvm_exit(void)
-{
-	ptp_clock_unregister(kvm_ptp_clock.ptp_clock);
-}
-
-static int __init ptp_kvm_init(void)
-{
-	long ret;
-
-	if (!kvm_para_available())
-		return -ENODEV;
-
-	clock_pair_gpa = slow_virt_to_phys(&clock_pair);
-	hv_clock = pvclock_get_pvti_cpu0_va();
-
-	if (!hv_clock)
-		return -ENODEV;
-
-	ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING, clock_pair_gpa,
-			KVM_CLOCK_PAIRING_WALLCLOCK);
-	if (ret == -KVM_ENOSYS || ret == -KVM_EOPNOTSUPP)
-		return -ENODEV;
-
-	kvm_ptp_clock.caps = ptp_kvm_caps;
-
-	kvm_ptp_clock.ptp_clock = ptp_clock_register(&kvm_ptp_clock.caps, NULL);
-
-	return PTR_ERR_OR_ZERO(kvm_ptp_clock.ptp_clock);
-}
-
-module_init(ptp_kvm_init);
-module_exit(ptp_kvm_exit);
-
-MODULE_AUTHOR("Marcelo Tosatti <mtosatti@redhat.com>");
-MODULE_DESCRIPTION("PTP clock using KVMCLOCK");
-MODULE_LICENSE("GPL");
diff --git a/drivers/ptp/ptp_kvm_arm.c b/drivers/ptp/ptp_kvm_arm.c
new file mode 100644
index 0000000..b7d28c8
--- /dev/null
+++ b/drivers/ptp/ptp_kvm_arm.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  Virtual PTP 1588 clock for use with KVM guests
+ *  Copyright (C) 2019 ARM Ltd.
+ *  All Rights Reserved
+ */
+
+#include <linux/arm-smccc.h>
+#include <linux/ptp_kvm.h>
+
+#include <asm/arch_timer.h>
+#include <asm/hypervisor.h>
+
+int kvm_arch_ptp_init(void)
+{
+	int ret;
+
+	ret = kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_PTP);
+	if (ret <= 0)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+int kvm_arch_ptp_get_clock(struct timespec64 *ts)
+{
+	return kvm_arch_ptp_get_crosststamp(NULL, ts, NULL);
+}
diff --git a/drivers/ptp/ptp_kvm_common.c b/drivers/ptp/ptp_kvm_common.c
new file mode 100644
index 0000000..fcae32f
--- /dev/null
+++ b/drivers/ptp/ptp_kvm_common.c
@@ -0,0 +1,158 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Virtual PTP 1588 clock for use with KVM guests
+ *
+ * Copyright (C) 2017 Red Hat Inc.
+ */
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/ptp_kvm.h>
+#include <uapi/linux/kvm_para.h>
+#include <asm/kvm_para.h>
+#include <uapi/asm/kvm_para.h>
+
+#include <linux/ptp_clock_kernel.h>
+
+struct kvm_ptp_clock {
+	struct ptp_clock *ptp_clock;
+	struct ptp_clock_info caps;
+};
+
+static DEFINE_SPINLOCK(kvm_ptp_lock);
+
+static int ptp_kvm_get_time_fn(ktime_t *device_time,
+			       struct system_counterval_t *system_counter,
+			       void *ctx)
+{
+	long ret;
+	u64 cycle;
+	struct timespec64 tspec;
+	struct clocksource *cs;
+
+	spin_lock(&kvm_ptp_lock);
+
+	preempt_disable_notrace();
+	ret = kvm_arch_ptp_get_crosststamp(&cycle, &tspec, &cs);
+	if (ret) {
+		spin_unlock(&kvm_ptp_lock);
+		preempt_enable_notrace();
+		return ret;
+	}
+
+	preempt_enable_notrace();
+
+	system_counter->cycles = cycle;
+	system_counter->cs = cs;
+
+	*device_time = timespec64_to_ktime(tspec);
+
+	spin_unlock(&kvm_ptp_lock);
+
+	return 0;
+}
+
+static int ptp_kvm_getcrosststamp(struct ptp_clock_info *ptp,
+				  struct system_device_crosststamp *xtstamp)
+{
+	return get_device_system_crosststamp(ptp_kvm_get_time_fn, NULL,
+					     NULL, xtstamp);
+}
+
+/*
+ * PTP clock operations
+ */
+
+static int ptp_kvm_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
+{
+	return -EOPNOTSUPP;
+}
+
+static int ptp_kvm_adjtime(struct ptp_clock_info *ptp, s64 delta)
+{
+	return -EOPNOTSUPP;
+}
+
+static int ptp_kvm_settime(struct ptp_clock_info *ptp,
+			   const struct timespec64 *ts)
+{
+	return -EOPNOTSUPP;
+}
+
+static int ptp_kvm_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
+{
+	long ret;
+	struct timespec64 tspec;
+
+	spin_lock(&kvm_ptp_lock);
+
+	ret = kvm_arch_ptp_get_clock(&tspec);
+	if (ret) {
+		spin_unlock(&kvm_ptp_lock);
+		return ret;
+	}
+
+	spin_unlock(&kvm_ptp_lock);
+
+	memcpy(ts, &tspec, sizeof(struct timespec64));
+
+	return 0;
+}
+
+static int ptp_kvm_enable(struct ptp_clock_info *ptp,
+			  struct ptp_clock_request *rq, int on)
+{
+	return -EOPNOTSUPP;
+}
+
+static const struct ptp_clock_info ptp_kvm_caps = {
+	.owner		= THIS_MODULE,
+	.name		= "KVM virtual PTP",
+	.max_adj	= 0,
+	.n_ext_ts	= 0,
+	.n_pins		= 0,
+	.pps		= 0,
+	.adjfreq	= ptp_kvm_adjfreq,
+	.adjtime	= ptp_kvm_adjtime,
+	.gettime64	= ptp_kvm_gettime,
+	.settime64	= ptp_kvm_settime,
+	.enable		= ptp_kvm_enable,
+	.getcrosststamp = ptp_kvm_getcrosststamp,
+};
+
+/* module operations */
+
+static struct kvm_ptp_clock kvm_ptp_clock;
+
+static void __exit ptp_kvm_exit(void)
+{
+	ptp_clock_unregister(kvm_ptp_clock.ptp_clock);
+}
+
+static int __init ptp_kvm_init(void)
+{
+	long ret;
+
+	ret = kvm_arch_ptp_init();
+	if (ret) {
+		if (ret != -EOPNOTSUPP)
+			pr_err("fail to initialize ptp_kvm");
+		return ret;
+	}
+
+	kvm_ptp_clock.caps = ptp_kvm_caps;
+
+	kvm_ptp_clock.ptp_clock = ptp_clock_register(&kvm_ptp_clock.caps, NULL);
+
+	return PTR_ERR_OR_ZERO(kvm_ptp_clock.ptp_clock);
+}
+
+module_init(ptp_kvm_init);
+module_exit(ptp_kvm_exit);
+
+MODULE_AUTHOR("Marcelo Tosatti <mtosatti@redhat.com>");
+MODULE_DESCRIPTION("PTP clock using KVMCLOCK");
+MODULE_LICENSE("GPL");
diff --git a/drivers/ptp/ptp_kvm_x86.c b/drivers/ptp/ptp_kvm_x86.c
new file mode 100644
index 0000000..3dd519d
--- /dev/null
+++ b/drivers/ptp/ptp_kvm_x86.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Virtual PTP 1588 clock for use with KVM guests
+ *
+ * Copyright (C) 2017 Red Hat Inc.
+ */
+
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <asm/pvclock.h>
+#include <asm/kvmclock.h>
+#include <linux/module.h>
+#include <uapi/asm/kvm_para.h>
+#include <uapi/linux/kvm_para.h>
+#include <linux/ptp_clock_kernel.h>
+#include <linux/ptp_kvm.h>
+
+struct pvclock_vsyscall_time_info *hv_clock;
+
+static phys_addr_t clock_pair_gpa;
+static struct kvm_clock_pairing clock_pair;
+
+int kvm_arch_ptp_init(void)
+{
+	long ret;
+
+	if (!kvm_para_available())
+		return -ENODEV;
+
+	clock_pair_gpa = slow_virt_to_phys(&clock_pair);
+	hv_clock = pvclock_get_pvti_cpu0_va();
+	if (!hv_clock)
+		return -ENODEV;
+
+	ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING, clock_pair_gpa,
+			     KVM_CLOCK_PAIRING_WALLCLOCK);
+	if (ret == -KVM_ENOSYS || ret == -KVM_EOPNOTSUPP)
+		return -ENODEV;
+
+	return 0;
+}
+
+int kvm_arch_ptp_get_clock(struct timespec64 *ts)
+{
+	long ret;
+
+	ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING,
+			     clock_pair_gpa,
+			     KVM_CLOCK_PAIRING_WALLCLOCK);
+	if (ret != 0) {
+		pr_err_ratelimited("clock offset hypercall ret %lu\n", ret);
+		return -EOPNOTSUPP;
+	}
+
+	ts->tv_sec = clock_pair.sec;
+	ts->tv_nsec = clock_pair.nsec;
+
+	return 0;
+}
+
+int kvm_arch_ptp_get_crosststamp(u64 *cycle, struct timespec64 *tspec,
+			      struct clocksource **cs)
+{
+	struct pvclock_vcpu_time_info *src;
+	unsigned int version;
+	long ret;
+	int cpu;
+
+	cpu = smp_processor_id();
+	src = &hv_clock[cpu].pvti;
+
+	do {
+		/*
+		 * We are using a TSC value read in the hosts
+		 * kvm_hc_clock_pairing handling.
+		 * So any changes to tsc_to_system_mul
+		 * and tsc_shift or any other pvclock
+		 * data invalidate that measurement.
+		 */
+		version = pvclock_read_begin(src);
+
+		ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING,
+				     clock_pair_gpa,
+				     KVM_CLOCK_PAIRING_WALLCLOCK);
+		if (ret != 0) {
+			pr_err_ratelimited("clock pairing hypercall ret %lu\n", ret);
+			return -EOPNOTSUPP;
+		}
+		tspec->tv_sec = clock_pair.sec;
+		tspec->tv_nsec = clock_pair.nsec;
+		*cycle = __pvclock_read_cycles(src, clock_pair.tsc);
+	} while (pvclock_read_retry(src, version));
+
+	*cs = &kvm_clock;
+
+	return 0;
+}
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 1f16f53..919189d 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -304,6 +304,7 @@
 		pwm->pwm = chip->base + i;
 		pwm->hwpwm = i;
 		pwm->state.polarity = polarity;
+		pwm->state.output_type = PWM_OUTPUT_FIXED;
 
 		radix_tree_insert(&pwm_tree, pwm->pwm, pwm);
 	}
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index b8417a8..d5f092d 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -215,11 +215,35 @@
 	return sprintf(buf, "%u %u\n", result.period, result.duty_cycle);
 }
 
+static ssize_t output_type_show(struct device *child,
+			     struct device_attribute *attr,
+			     char *buf)
+{
+	const struct pwm_device *pwm = child_to_pwm_device(child);
+	const char *output_type = "unknown";
+	struct pwm_state state;
+
+	pwm_get_state(pwm, &state);
+	switch (state.output_type) {
+	case PWM_OUTPUT_FIXED:
+		output_type = "fixed";
+		break;
+	case PWM_OUTPUT_MODULATED:
+		output_type = "modulated";
+		break;
+	default:
+		break;
+	}
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", output_type);
+}
+
 static DEVICE_ATTR_RW(period);
 static DEVICE_ATTR_RW(duty_cycle);
 static DEVICE_ATTR_RW(enable);
 static DEVICE_ATTR_RW(polarity);
 static DEVICE_ATTR_RO(capture);
+static DEVICE_ATTR_RO(output_type);
 
 static struct attribute *pwm_attrs[] = {
 	&dev_attr_period.attr,
@@ -227,6 +251,7 @@
 	&dev_attr_enable.attr,
 	&dev_attr_polarity.attr,
 	&dev_attr_capture.attr,
+	&dev_attr_output_type.attr,
 	NULL
 };
 ATTRIBUTE_GROUPS(pwm);
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 020a00d..e16967d 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -155,6 +155,15 @@
 	  and Wolfson Microelectronic Arizona codecs
 	  devices.
 
+config REGULATOR_ARM_SCMI
+	tristate "SCMI based regulator driver"
+	depends on ARM_SCMI_PROTOCOL && OF
+	help
+	  This adds the regulator driver support for ARM platforms using SCMI
+	  protocol for device voltage management.
+	  This driver uses SCMI Message Protocol driver to interact with the
+	  firmware providing the device Voltage functionality.
+
 config REGULATOR_AS3711
 	tristate "AS3711 PMIC"
 	depends on MFD_AS3711
@@ -844,6 +853,7 @@
 config REGULATOR_QCOM_RPMH
 	tristate "Qualcomm Technologies, Inc. RPMh regulator driver"
 	depends on QCOM_RPMH || COMPILE_TEST
+	depends on QCOM_COMMAND_DB || !QCOM_COMMAND_DB
 	help
 	  This driver supports control of PMIC regulators via the RPMh hardware
 	  block found on Qualcomm Technologies Inc. SoCs.  RPMh regulator
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 6ebae51..aeed0b6 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -24,6 +24,7 @@
 obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
 obj-$(CONFIG_REGULATOR_ARIZONA_LDO1) += arizona-ldo1.o
 obj-$(CONFIG_REGULATOR_ARIZONA_MICSUPP) += arizona-micsupp.o
+obj-$(CONFIG_REGULATOR_ARM_SCMI) += scmi-regulator.o
 obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
 obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o
 obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index a356f84..e4bb09b 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -879,68 +879,3 @@
 	return reg1->rdev == reg2->rdev;
 }
 EXPORT_SYMBOL_GPL(regulator_is_equal);
-
-static int find_closest_bigger(unsigned int target, const unsigned int *table,
-			       unsigned int num_sel, unsigned int *sel)
-{
-	unsigned int s, tmp, max, maxsel = 0;
-	bool found = false;
-
-	max = table[0];
-
-	for (s = 0; s < num_sel; s++) {
-		if (table[s] > max) {
-			max = table[s];
-			maxsel = s;
-		}
-		if (table[s] >= target) {
-			if (!found || table[s] - target < tmp - target) {
-				tmp = table[s];
-				*sel = s;
-				found = true;
-				if (tmp == target)
-					break;
-			}
-		}
-	}
-
-	if (!found) {
-		*sel = maxsel;
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/**
- * regulator_set_ramp_delay_regmap - set_ramp_delay() helper
- *
- * @rdev: regulator to operate on
- *
- * Regulators that use regmap for their register I/O can set the ramp_reg
- * and ramp_mask fields in their descriptor and then use this as their
- * set_ramp_delay operation, saving some code.
- */
-int regulator_set_ramp_delay_regmap(struct regulator_dev *rdev, int ramp_delay)
-{
-	int ret;
-	unsigned int sel;
-
-	if (!rdev->desc->n_ramp_values)
-		return -EINVAL;
-
-	ret = find_closest_bigger(ramp_delay, rdev->desc->ramp_delay_table,
-				  rdev->desc->n_ramp_values, &sel);
-
-	if (ret) {
-		dev_warn(rdev_get_dev(rdev),
-			 "Can't set ramp-delay %u, setting %u\n", ramp_delay,
-			 rdev->desc->ramp_delay_table[sel]);
-	}
-
-	sel <<= ffs(rdev->desc->ramp_mask) - 1;
-
-	return regmap_update_bits(rdev->regmap, rdev->desc->ramp_reg,
-				  rdev->desc->ramp_mask, sel);
-}
-EXPORT_SYMBOL_GPL(regulator_set_ramp_delay_regmap);
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 5d84469..b11a434 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -417,8 +417,12 @@
 
 	for_each_available_child_of_node(search, child) {
 		name = of_get_property(child, "regulator-compatible", NULL);
-		if (!name)
-			name = child->name;
+		if (!name) {
+			if (!desc->of_match_full_name)
+				name = child->name;
+			else
+				name = child->full_name;
+		}
 
 		if (!strcmp(desc->of_match, name)) {
 			of_node_put(search);
diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c
index b3d206e..d38109c 100644
--- a/drivers/regulator/pca9450-regulator.c
+++ b/drivers/regulator/pca9450-regulator.c
@@ -65,9 +65,32 @@
  * 10: 25mV/4usec
  * 11: 25mV/8usec
  */
-static const unsigned int pca9450_dvs_buck_ramp_table[] = {
-	25000, 12500, 6250, 3125
-};
+static int pca9450_dvs_set_ramp_delay(struct regulator_dev *rdev,
+				      int ramp_delay)
+{
+	int id = rdev_get_id(rdev);
+	unsigned int ramp_value;
+
+	switch (ramp_delay) {
+	case 1 ... 3125:
+		ramp_value = BUCK1_RAMP_3P125MV;
+		break;
+	case 3126 ... 6250:
+		ramp_value = BUCK1_RAMP_6P25MV;
+		break;
+	case 6251 ... 12500:
+		ramp_value = BUCK1_RAMP_12P5MV;
+		break;
+	case 12501 ... 25000:
+		ramp_value = BUCK1_RAMP_25MV;
+		break;
+	default:
+		ramp_value = BUCK1_RAMP_25MV;
+	}
+
+	return regmap_update_bits(rdev->regmap, PCA9450_REG_BUCK1CTRL + id * 3,
+				  BUCK1_RAMP_MASK, ramp_value << 6);
+}
 
 static const struct regulator_ops pca9450_dvs_buck_regulator_ops = {
 	.enable = regulator_enable_regmap,
@@ -77,7 +100,7 @@
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_time_sel = regulator_set_voltage_time_sel,
-	.set_ramp_delay	= regulator_set_ramp_delay_regmap,
+	.set_ramp_delay = pca9450_dvs_set_ramp_delay,
 };
 
 static const struct regulator_ops pca9450_buck_regulator_ops = {
@@ -228,10 +251,6 @@
 			.vsel_mask = BUCK1OUT_DVS0_MASK,
 			.enable_reg = PCA9450_REG_BUCK1CTRL,
 			.enable_mask = BUCK1_ENMODE_MASK,
-			.ramp_reg = PCA9450_REG_BUCK1CTRL,
-			.ramp_mask = BUCK1_RAMP_MASK,
-			.ramp_delay_table = pca9450_dvs_buck_ramp_table,
-			.n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
 			.owner = THIS_MODULE,
 			.of_parse_cb = pca9450_set_dvs_levels,
 		},
@@ -256,11 +275,7 @@
 			.vsel_reg = PCA9450_REG_BUCK2OUT_DVS0,
 			.vsel_mask = BUCK2OUT_DVS0_MASK,
 			.enable_reg = PCA9450_REG_BUCK2CTRL,
-			.enable_mask = BUCK2_ENMODE_MASK,
-			.ramp_reg = PCA9450_REG_BUCK2CTRL,
-			.ramp_mask = BUCK2_RAMP_MASK,
-			.ramp_delay_table = pca9450_dvs_buck_ramp_table,
-			.n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
+			.enable_mask = BUCK1_ENMODE_MASK,
 			.owner = THIS_MODULE,
 			.of_parse_cb = pca9450_set_dvs_levels,
 		},
@@ -286,10 +301,6 @@
 			.vsel_mask = BUCK3OUT_DVS0_MASK,
 			.enable_reg = PCA9450_REG_BUCK3CTRL,
 			.enable_mask = BUCK3_ENMODE_MASK,
-			.ramp_reg = PCA9450_REG_BUCK3CTRL,
-			.ramp_mask = BUCK3_RAMP_MASK,
-			.ramp_delay_table = pca9450_dvs_buck_ramp_table,
-			.n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
 			.owner = THIS_MODULE,
 			.of_parse_cb = pca9450_set_dvs_levels,
 		},
@@ -466,10 +477,6 @@
 			.vsel_mask = BUCK1OUT_DVS0_MASK,
 			.enable_reg = PCA9450_REG_BUCK1CTRL,
 			.enable_mask = BUCK1_ENMODE_MASK,
-			.ramp_reg = PCA9450_REG_BUCK1CTRL,
-			.ramp_mask = BUCK1_RAMP_MASK,
-			.ramp_delay_table = pca9450_dvs_buck_ramp_table,
-			.n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
 			.owner = THIS_MODULE,
 			.of_parse_cb = pca9450_set_dvs_levels,
 		},
@@ -494,11 +501,7 @@
 			.vsel_reg = PCA9450_REG_BUCK2OUT_DVS0,
 			.vsel_mask = BUCK2OUT_DVS0_MASK,
 			.enable_reg = PCA9450_REG_BUCK2CTRL,
-			.enable_mask = BUCK2_ENMODE_MASK,
-			.ramp_reg = PCA9450_REG_BUCK2CTRL,
-			.ramp_mask = BUCK2_RAMP_MASK,
-			.ramp_delay_table = pca9450_dvs_buck_ramp_table,
-			.n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
+			.enable_mask = BUCK1_ENMODE_MASK,
 			.owner = THIS_MODULE,
 			.of_parse_cb = pca9450_set_dvs_levels,
 		},
diff --git a/drivers/regulator/scmi-regulator.c b/drivers/regulator/scmi-regulator.c
new file mode 100644
index 0000000..c48f7e1
--- /dev/null
+++ b/drivers/regulator/scmi-regulator.c
@@ -0,0 +1,421 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// System Control and Management Interface (SCMI) based regulator driver
+//
+// Copyright (C) 2020 ARM Ltd.
+//
+// Implements a regulator driver on top of the SCMI Voltage Protocol.
+//
+// The ARM SCMI Protocol aims in general to hide as much as possible all the
+// underlying operational details while providing an abstracted interface for
+// its users to operate upon: as a consequence the resulting operational
+// capabilities and configurability of this regulator device are much more
+// limited than the ones usually available on a standard physical regulator.
+//
+// The supported SCMI regulator ops are restricted to the bare minimum:
+//
+//  - 'status_ops': enable/disable/is_enabled
+//  - 'voltage_ops': get_voltage_sel/set_voltage_sel
+//		     list_voltage/map_voltage
+//
+// Each SCMI regulator instance is associated, through the means of a proper DT
+// entry description, to a specific SCMI Voltage Domain.
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/linear_range.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/scmi_protocol.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+static const struct scmi_voltage_proto_ops *voltage_ops;
+
+struct scmi_regulator {
+	u32 id;
+	struct scmi_device *sdev;
+	struct scmi_protocol_handle *ph;
+	struct regulator_dev *rdev;
+	struct device_node *of_node;
+	struct regulator_desc desc;
+	struct regulator_config conf;
+};
+
+struct scmi_regulator_info {
+	int num_doms;
+	struct scmi_regulator **sregv;
+};
+
+static int scmi_reg_enable(struct regulator_dev *rdev)
+{
+	struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+	return voltage_ops->config_set(sreg->ph, sreg->id,
+				       SCMI_VOLTAGE_ARCH_STATE_ON);
+}
+
+static int scmi_reg_disable(struct regulator_dev *rdev)
+{
+	struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+	return voltage_ops->config_set(sreg->ph, sreg->id,
+				       SCMI_VOLTAGE_ARCH_STATE_OFF);
+}
+
+static int scmi_reg_is_enabled(struct regulator_dev *rdev)
+{
+	int ret;
+	u32 config;
+	struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+	ret = voltage_ops->config_get(sreg->ph, sreg->id, &config);
+	if (ret) {
+		dev_err(&sreg->sdev->dev,
+			"Error %d reading regulator %s status.\n",
+			ret, sreg->desc.name);
+		return ret;
+	}
+
+	return config & SCMI_VOLTAGE_ARCH_STATE_ON;
+}
+
+static int scmi_reg_get_voltage_sel(struct regulator_dev *rdev)
+{
+	int ret;
+	s32 volt_uV;
+	struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+	ret = voltage_ops->level_get(sreg->ph, sreg->id, &volt_uV);
+	if (ret)
+		return ret;
+
+	return sreg->desc.ops->map_voltage(rdev, volt_uV, volt_uV);
+}
+
+static int scmi_reg_set_voltage_sel(struct regulator_dev *rdev,
+				    unsigned int selector)
+{
+	s32 volt_uV;
+	struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+	volt_uV = sreg->desc.ops->list_voltage(rdev, selector);
+	if (volt_uV <= 0)
+		return -EINVAL;
+
+	return voltage_ops->level_set(sreg->ph, sreg->id, 0x0, volt_uV);
+}
+
+static const struct regulator_ops scmi_reg_fixed_ops = {
+	.enable = scmi_reg_enable,
+	.disable = scmi_reg_disable,
+	.is_enabled = scmi_reg_is_enabled,
+};
+
+static const struct regulator_ops scmi_reg_linear_ops = {
+	.enable = scmi_reg_enable,
+	.disable = scmi_reg_disable,
+	.is_enabled = scmi_reg_is_enabled,
+	.get_voltage_sel = scmi_reg_get_voltage_sel,
+	.set_voltage_sel = scmi_reg_set_voltage_sel,
+	.list_voltage = regulator_list_voltage_linear,
+	.map_voltage = regulator_map_voltage_linear,
+};
+
+static const struct regulator_ops scmi_reg_discrete_ops = {
+	.enable = scmi_reg_enable,
+	.disable = scmi_reg_disable,
+	.is_enabled = scmi_reg_is_enabled,
+	.get_voltage_sel = scmi_reg_get_voltage_sel,
+	.set_voltage_sel = scmi_reg_set_voltage_sel,
+	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_iterate,
+};
+
+static int
+scmi_config_linear_regulator_mappings(struct scmi_regulator *sreg,
+				      const struct scmi_voltage_info *vinfo)
+{
+	s32 delta_uV;
+
+	/*
+	 * Note that SCMI voltage domains describable by linear ranges
+	 * (segments) {low, high, step} are guaranteed to come in one single
+	 * triplet by the SCMI Voltage Domain protocol support itself.
+	 */
+
+	delta_uV = (vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_HIGH] -
+			vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW]);
+
+	/* Rule out buggy negative-intervals answers from fw */
+	if (delta_uV < 0) {
+		dev_err(&sreg->sdev->dev,
+			"Invalid volt-range %d-%duV for domain %d\n",
+			vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW],
+			vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_HIGH],
+			sreg->id);
+		return -EINVAL;
+	}
+
+	if (!delta_uV) {
+		/* Just one fixed voltage exposed by SCMI */
+		sreg->desc.fixed_uV =
+			vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW];
+		sreg->desc.n_voltages = 1;
+		sreg->desc.ops = &scmi_reg_fixed_ops;
+	} else {
+		/* One simple linear mapping. */
+		sreg->desc.min_uV =
+			vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW];
+		sreg->desc.uV_step =
+			vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_STEP];
+		sreg->desc.linear_min_sel = 0;
+		sreg->desc.n_voltages = (delta_uV / sreg->desc.uV_step) + 1;
+		sreg->desc.ops = &scmi_reg_linear_ops;
+	}
+
+	return 0;
+}
+
+static int
+scmi_config_discrete_regulator_mappings(struct scmi_regulator *sreg,
+					const struct scmi_voltage_info *vinfo)
+{
+	/* Discrete non linear levels are mapped to volt_table */
+	sreg->desc.n_voltages = vinfo->num_levels;
+
+	if (sreg->desc.n_voltages > 1) {
+		sreg->desc.volt_table = (const unsigned int *)vinfo->levels_uv;
+		sreg->desc.ops = &scmi_reg_discrete_ops;
+	} else {
+		sreg->desc.fixed_uV = vinfo->levels_uv[0];
+		sreg->desc.ops = &scmi_reg_fixed_ops;
+	}
+
+	return 0;
+}
+
+static int scmi_regulator_common_init(struct scmi_regulator *sreg)
+{
+	int ret;
+	struct device *dev = &sreg->sdev->dev;
+	const struct scmi_voltage_info *vinfo;
+
+	vinfo = voltage_ops->info_get(sreg->ph, sreg->id);
+	if (!vinfo) {
+		dev_warn(dev, "Failure to get voltage domain %d\n",
+			 sreg->id);
+		return -ENODEV;
+	}
+
+	/*
+	 * Regulator framework does not fully support negative voltages
+	 * so we discard any voltage domain reported as supporting negative
+	 * voltages: as a consequence each levels_uv entry is guaranteed to
+	 * be non-negative from here on.
+	 */
+	if (vinfo->negative_volts_allowed) {
+		dev_warn(dev, "Negative voltages NOT supported...skip %s\n",
+			 sreg->of_node->full_name);
+		return -EOPNOTSUPP;
+	}
+
+	sreg->desc.name = devm_kasprintf(dev, GFP_KERNEL, "%s", vinfo->name);
+	if (!sreg->desc.name)
+		return -ENOMEM;
+
+	sreg->desc.id = sreg->id;
+	sreg->desc.type = REGULATOR_VOLTAGE;
+	sreg->desc.owner = THIS_MODULE;
+	sreg->desc.of_match_full_name = true;
+	sreg->desc.of_match = sreg->of_node->full_name;
+	sreg->desc.regulators_node = "regulators";
+	if (vinfo->segmented)
+		ret = scmi_config_linear_regulator_mappings(sreg, vinfo);
+	else
+		ret = scmi_config_discrete_regulator_mappings(sreg, vinfo);
+	if (ret)
+		return ret;
+
+	/*
+	 * Using the scmi device here to have DT searched from Voltage
+	 * protocol node down.
+	 */
+	sreg->conf.dev = dev;
+
+	/* Store for later retrieval via rdev_get_drvdata() */
+	sreg->conf.driver_data = sreg;
+
+	return 0;
+}
+
+static int process_scmi_regulator_of_node(struct scmi_device *sdev,
+					  struct scmi_protocol_handle *ph,
+					  struct device_node *np,
+					  struct scmi_regulator_info *rinfo)
+{
+	u32 dom, ret;
+
+	ret = of_property_read_u32(np, "reg", &dom);
+	if (ret)
+		return ret;
+
+	if (dom >= rinfo->num_doms)
+		return -ENODEV;
+
+	if (rinfo->sregv[dom]) {
+		dev_err(&sdev->dev,
+			"SCMI Voltage Domain %d already in use. Skipping: %s\n",
+			dom, np->full_name);
+		return -EINVAL;
+	}
+
+	rinfo->sregv[dom] = devm_kzalloc(&sdev->dev,
+					 sizeof(struct scmi_regulator),
+					 GFP_KERNEL);
+	if (!rinfo->sregv[dom])
+		return -ENOMEM;
+
+	rinfo->sregv[dom]->id = dom;
+	rinfo->sregv[dom]->sdev = sdev;
+	rinfo->sregv[dom]->ph = ph;
+
+	/* get hold of good nodes */
+	of_node_get(np);
+	rinfo->sregv[dom]->of_node = np;
+
+	dev_dbg(&sdev->dev,
+		"Found SCMI Regulator entry -- OF node [%d] -> %s\n",
+		dom, np->full_name);
+
+	return 0;
+}
+
+static int scmi_regulator_probe(struct scmi_device *sdev)
+{
+	int d, ret, num_doms;
+	struct device_node *np, *child;
+	const struct scmi_handle *handle = sdev->handle;
+	struct scmi_regulator_info *rinfo;
+	struct scmi_protocol_handle *ph;
+
+	if (!handle)
+		return -ENODEV;
+
+	voltage_ops = handle->devm_get_protocol(sdev,
+						SCMI_PROTOCOL_VOLTAGE, &ph);
+	if (IS_ERR(voltage_ops))
+		return PTR_ERR(voltage_ops);
+
+	num_doms = voltage_ops->num_domains_get(ph);
+	if (num_doms <= 0) {
+		if (!num_doms) {
+			dev_err(&sdev->dev,
+				"number of voltage domains invalid\n");
+			num_doms = -EINVAL;
+		} else {
+			dev_err(&sdev->dev,
+				"failed to get voltage domains - err:%d\n",
+				num_doms);
+		}
+
+		return num_doms;
+	}
+
+	rinfo = devm_kzalloc(&sdev->dev, sizeof(*rinfo), GFP_KERNEL);
+	if (!rinfo)
+		return -ENOMEM;
+
+	/* Allocate pointers array for all possible domains */
+	rinfo->sregv = devm_kcalloc(&sdev->dev, num_doms,
+				    sizeof(void *), GFP_KERNEL);
+	if (!rinfo->sregv)
+		return -ENOMEM;
+
+	rinfo->num_doms = num_doms;
+
+	/*
+	 * Start collecting into rinfo->sregv possibly good SCMI Regulators as
+	 * described by a well-formed DT entry and associated with an existing
+	 * plausible SCMI Voltage Domain number, all belonging to this SCMI
+	 * platform instance node (handle->dev->of_node).
+	 */
+	np = of_find_node_by_name(handle->dev->of_node, "regulators");
+	for_each_child_of_node(np, child) {
+		ret = process_scmi_regulator_of_node(sdev, ph, child, rinfo);
+		/* abort on any mem issue */
+		if (ret == -ENOMEM)
+			return ret;
+	}
+	of_node_put(np);
+	/*
+	 * Register a regulator for each valid regulator-DT-entry that we
+	 * can successfully reach via SCMI and has a valid associated voltage
+	 * domain.
+	 */
+	for (d = 0; d < num_doms; d++) {
+		struct scmi_regulator *sreg = rinfo->sregv[d];
+
+		/* Skip empty slots */
+		if (!sreg)
+			continue;
+
+		ret = scmi_regulator_common_init(sreg);
+		/* Skip invalid voltage domains */
+		if (ret)
+			continue;
+
+		sreg->rdev = devm_regulator_register(&sdev->dev, &sreg->desc,
+						     &sreg->conf);
+		if (IS_ERR(sreg->rdev)) {
+			sreg->rdev = NULL;
+			continue;
+		}
+
+		dev_info(&sdev->dev,
+			 "Regulator %s registered for domain [%d]\n",
+			 sreg->desc.name, sreg->id);
+	}
+
+	dev_set_drvdata(&sdev->dev, rinfo);
+
+	return 0;
+}
+
+static void scmi_regulator_remove(struct scmi_device *sdev)
+{
+	int d;
+	struct scmi_regulator_info *rinfo;
+
+	rinfo = dev_get_drvdata(&sdev->dev);
+	if (!rinfo)
+		return;
+
+	for (d = 0; d < rinfo->num_doms; d++) {
+		if (!rinfo->sregv[d])
+			continue;
+		of_node_put(rinfo->sregv[d]->of_node);
+	}
+}
+
+static const struct scmi_device_id scmi_regulator_id_table[] = {
+	{ SCMI_PROTOCOL_VOLTAGE,  "regulator" },
+	{ },
+};
+MODULE_DEVICE_TABLE(scmi, scmi_regulator_id_table);
+
+static struct scmi_driver scmi_drv = {
+	.name		= "scmi-regulator",
+	.probe		= scmi_regulator_probe,
+	.remove		= scmi_regulator_remove,
+	.id_table	= scmi_regulator_id_table,
+};
+
+module_scmi_driver(scmi_drv);
+
+MODULE_AUTHOR("Cristian Marussi <cristian.marussi@arm.com>");
+MODULE_DESCRIPTION("ARM SCMI regulator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 8957ed2..6603e00 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -208,7 +208,7 @@
 	return -ENOENT;
 }
 
-static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct imx_rproc *priv = rproc->priv;
 	void *va = NULL;
diff --git a/drivers/remoteproc/ingenic_rproc.c b/drivers/remoteproc/ingenic_rproc.c
index 1c2b21a..f305461 100644
--- a/drivers/remoteproc/ingenic_rproc.c
+++ b/drivers/remoteproc/ingenic_rproc.c
@@ -116,7 +116,7 @@
 	writel(vqid, vpu->aux_base + REG_CORE_MSG);
 }
 
-static void *ingenic_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *ingenic_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct vpu *vpu = rproc->priv;
 	void __iomem *va = NULL;
diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c
index cd26616..54781f5 100644
--- a/drivers/remoteproc/keystone_remoteproc.c
+++ b/drivers/remoteproc/keystone_remoteproc.c
@@ -246,7 +246,7 @@
  * can be used either by the remoteproc core for loading (when using kernel
  * remoteproc loader), or by any rpmsg bus drivers.
  */
-static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct keystone_rproc *ksproc = rproc->priv;
 	void __iomem *va = NULL;
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 63c501a..6d828a2 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -257,7 +257,7 @@
 		}
 
 		/* grab the kernel address for this device address */
-		ptr = (void __iomem *)rproc_da_to_va(rproc, da, memsz);
+		ptr = (void __iomem *)rproc_da_to_va(rproc, da, memsz, NULL);
 		if (!ptr) {
 			dev_err(dev, "bad phdr da 0x%x mem 0x%x\n", da, memsz);
 			ret = -EINVAL;
@@ -404,7 +404,7 @@
 	return ret;
 }
 
-static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct mtk_scp *scp = (struct mtk_scp *)rproc->priv;
 	int offset;
@@ -532,7 +532,7 @@
 {
 	void *ptr;
 
-	ptr = scp_da_to_va(scp->rproc, mem_addr, 0);
+	ptr = scp_da_to_va(scp->rproc, mem_addr, 0, NULL);
 	if (!ptr)
 		return ERR_PTR(-EINVAL);
 
diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c
index d94b739..43531ca 100644
--- a/drivers/remoteproc/omap_remoteproc.c
+++ b/drivers/remoteproc/omap_remoteproc.c
@@ -728,7 +728,7 @@
  * Return: translated virtual address in kernel memory space on success,
  *         or NULL on failure.
  */
-static void *omap_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *omap_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct omap_rproc *oproc = rproc->priv;
 	int i;
diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index c39138d..d7478c6 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -281,7 +281,7 @@
 	return ret;
 }
 
-static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
 	int offset;
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 1a0d6eb9..b752f01 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -233,7 +233,7 @@
 	return ret;
 }
 
-static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
 	int offset;
diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index 8846ef0..c87be7a 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -410,7 +410,7 @@
 	return 0;
 }
 
-static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct q6v5_wcss *wcss = rproc->priv;
 	int offset;
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index 572f7b8..b745d4e 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -295,7 +295,7 @@
 	return ret;
 }
 
-static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;
 	int offset;
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index cc55ff0..2fdfefd 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -39,6 +39,7 @@
 #include <linux/virtio_ring.h>
 #include <asm/byteorder.h>
 #include <linux/platform_device.h>
+#include <trace/hooks/remoteproc.h>
 
 #include "remoteproc_internal.h"
 
@@ -189,13 +190,13 @@
  * here the output of the DMA API for the carveouts, which should be more
  * correct.
  */
-void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct rproc_mem_entry *carveout;
 	void *ptr = NULL;
 
 	if (rproc->ops->da_to_va) {
-		ptr = rproc->ops->da_to_va(rproc, da, len);
+		ptr = rproc->ops->da_to_va(rproc, da, len, is_iomem);
 		if (ptr)
 			goto out;
 	}
@@ -217,6 +218,9 @@
 
 		ptr = carveout->va + offset;
 
+		if (is_iomem)
+			*is_iomem = carveout->is_iomem;
+
 		break;
 	}
 
@@ -456,6 +460,7 @@
 	struct rproc_vdev *rvdev = container_of(dev, struct rproc_vdev, dev);
 
 	of_reserved_mem_device_release(dev);
+	dma_release_coherent_memory(dev);
 
 	kfree(rvdev);
 }
@@ -482,7 +487,7 @@
 /**
  * rproc_handle_vdev() - handle a vdev fw resource
  * @rproc: the remote processor
- * @rsc: the vring resource descriptor
+ * @ptr: the vring resource descriptor
  * @offset: offset of the resource entry
  * @avail: size of available data (for sanity checking the image)
  *
@@ -507,9 +512,10 @@
  *
  * Returns 0 on success, or an appropriate error code otherwise
  */
-static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc,
+static int rproc_handle_vdev(struct rproc *rproc, void *ptr,
 			     int offset, int avail)
 {
+	struct fw_rsc_vdev *rsc = ptr;
 	struct device *dev = &rproc->dev;
 	struct rproc_vdev *rvdev;
 	int i, ret;
@@ -629,7 +635,7 @@
 /**
  * rproc_handle_trace() - handle a shared trace buffer resource
  * @rproc: the remote processor
- * @rsc: the trace resource descriptor
+ * @ptr: the trace resource descriptor
  * @offset: offset of the resource entry
  * @avail: size of available data (for sanity checking the image)
  *
@@ -643,9 +649,10 @@
  *
  * Returns 0 on success, or an appropriate error code otherwise
  */
-static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc,
+static int rproc_handle_trace(struct rproc *rproc, void *ptr,
 			      int offset, int avail)
 {
+	struct fw_rsc_trace *rsc = ptr;
 	struct rproc_debug_trace *trace;
 	struct device *dev = &rproc->dev;
 	char name[15];
@@ -695,7 +702,7 @@
 /**
  * rproc_handle_devmem() - handle devmem resource entry
  * @rproc: remote processor handle
- * @rsc: the devmem resource entry
+ * @ptr: the devmem resource entry
  * @offset: offset of the resource entry
  * @avail: size of available data (for sanity checking the image)
  *
@@ -718,9 +725,10 @@
  * and not allow firmwares to request access to physical addresses that
  * are outside those ranges.
  */
-static int rproc_handle_devmem(struct rproc *rproc, struct fw_rsc_devmem *rsc,
+static int rproc_handle_devmem(struct rproc *rproc, void *ptr,
 			       int offset, int avail)
 {
+	struct fw_rsc_devmem *rsc = ptr;
 	struct rproc_mem_entry *mapping;
 	struct device *dev = &rproc->dev;
 	int ret;
@@ -898,7 +906,7 @@
 /**
  * rproc_handle_carveout() - handle phys contig memory allocation requests
  * @rproc: rproc handle
- * @rsc: the resource entry
+ * @ptr: the resource entry
  * @offset: offset of the resource entry
  * @avail: size of available data (for image validation)
  *
@@ -915,9 +923,9 @@
  * pressure is important; it may have a substantial impact on performance.
  */
 static int rproc_handle_carveout(struct rproc *rproc,
-				 struct fw_rsc_carveout *rsc,
-				 int offset, int avail)
+				 void *ptr, int offset, int avail)
 {
+	struct fw_rsc_carveout *rsc = ptr;
 	struct rproc_mem_entry *carveout;
 	struct device *dev = &rproc->dev;
 
@@ -1099,10 +1107,10 @@
  * enum fw_resource_type.
  */
 static rproc_handle_resource_t rproc_loading_handlers[RSC_LAST] = {
-	[RSC_CARVEOUT] = (rproc_handle_resource_t)rproc_handle_carveout,
-	[RSC_DEVMEM] = (rproc_handle_resource_t)rproc_handle_devmem,
-	[RSC_TRACE] = (rproc_handle_resource_t)rproc_handle_trace,
-	[RSC_VDEV] = (rproc_handle_resource_t)rproc_handle_vdev,
+	[RSC_CARVEOUT] = rproc_handle_carveout,
+	[RSC_DEVMEM] = rproc_handle_devmem,
+	[RSC_TRACE] = rproc_handle_trace,
+	[RSC_VDEV] = rproc_handle_vdev,
 };
 
 /* handle firmware resource entries before booting the remote processor */
@@ -1706,7 +1714,7 @@
 		goto unlock_mutex;
 
 	/* generate coredump */
-	rproc_coredump(rproc);
+	rproc->ops->coredump(rproc);
 
 	/* load firmware */
 	ret = request_firmware(&firmware_p, rproc->firmware, dev);
@@ -1721,6 +1729,7 @@
 	release_firmware(firmware_p);
 
 unlock_mutex:
+	trace_android_vh_rproc_recovery(rproc);
 	mutex_unlock(&rproc->lock);
 	return ret;
 }
@@ -2005,6 +2014,11 @@
 	struct device *dev = &rproc->dev;
 	int ret;
 
+	/* add char device for this remoteproc */
+	ret = rproc_char_device_add(rproc);
+	if (ret < 0)
+		return ret;
+
 	ret = device_add(dev);
 	if (ret < 0)
 		return ret;
@@ -2018,11 +2032,6 @@
 	/* create debugfs entries */
 	rproc_create_debug_dir(rproc);
 
-	/* add char device for this remoteproc */
-	ret = rproc_char_device_add(rproc);
-	if (ret < 0)
-		return ret;
-
 	/*
 	 * Remind ourselves the remote processor has been attached to rather
 	 * than booted by the remoteproc core.  This is important because the
@@ -2135,6 +2144,10 @@
 	if (!rproc->ops)
 		return -ENOMEM;
 
+	/* Default to rproc_coredump if no coredump function is specified */
+	if (!rproc->ops->coredump)
+		rproc->ops->coredump = rproc_coredump;
+
 	if (rproc->ops->load)
 		return 0;
 
@@ -2420,8 +2433,8 @@
 	dev_err(&rproc->dev, "crash detected in %s: type %s\n",
 		rproc->name, rproc_crash_to_string(type));
 
-	/* create a new task to handle the error */
-	schedule_work(&rproc->crash_handler);
+	/* Have a worker handle the error; ensure system is not suspended */
+	queue_work(system_freezable_wq, &rproc->crash_handler);
 }
 EXPORT_SYMBOL(rproc_report_crash);
 
diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index 34530dc..8ed597a 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -32,6 +32,7 @@
 		kfree(entry);
 	}
 }
+EXPORT_SYMBOL(rproc_coredump_cleanup);
 
 /**
  * rproc_coredump_add_segment() - add segment of device memory to coredump
@@ -152,19 +153,23 @@
 			       struct rproc_dump_segment *segment,
 			       size_t offset, size_t size)
 {
+	bool is_iomem = false;
 	void *ptr;
 
 	if (segment->dump) {
 		segment->dump(rproc, segment, dest, offset, size);
 	} else {
-		ptr = rproc_da_to_va(rproc, segment->da + offset, size);
+		ptr = rproc_da_to_va(rproc, segment->da + offset, size, &is_iomem);
 		if (!ptr) {
 			dev_err(&rproc->dev,
 				"invalid copy request for segment %pad with offset %zu and size %zu)\n",
 				&segment->da, offset, size);
 			memset(dest, 0xff, size);
 		} else {
-			memcpy(dest, ptr, size);
+			if (is_iomem)
+				memcpy_fromio(dest, ptr, size);
+			else
+				memcpy(dest, ptr, size);
 		}
 	}
 }
@@ -323,3 +328,144 @@
 	 */
 	wait_for_completion(&dump_state.dump_done);
 }
+EXPORT_SYMBOL(rproc_coredump);
+
+/**
+ * rproc_coredump_using_sections() - perform coredump using section headers
+ * @rproc:	rproc handle
+ *
+ * This function will generate an ELF header for the registered sections of
+ * segments and create a devcoredump device associated with rproc. Based on
+ * the coredump configuration this function will directly copy the segments
+ * from device memory to userspace or copy segments from device memory to
+ * a separate buffer, which can then be read by userspace.
+ * The first approach avoids using extra vmalloc memory. But it will stall
+ * recovery flow until dump is read by userspace.
+ */
+void rproc_coredump_using_sections(struct rproc *rproc)
+{
+	struct rproc_dump_segment *segment;
+	void *shdr;
+	void *ehdr;
+	size_t data_size;
+	size_t strtbl_size = 0;
+	size_t strtbl_index = 1;
+	size_t offset;
+	void *data;
+	u8 class = rproc->elf_class;
+	int shnum;
+	struct rproc_coredump_state dump_state;
+	unsigned int dump_conf = rproc->dump_conf;
+	char *str_tbl = "STR_TBL";
+
+	if (list_empty(&rproc->dump_segments) ||
+	    dump_conf == RPROC_COREDUMP_DISABLED)
+		return;
+
+	if (class == ELFCLASSNONE) {
+		dev_err(&rproc->dev, "Elf class is not set\n");
+		return;
+	}
+
+	/*
+	 * We allocate two extra section headers. The first one is null.
+	 * Second section header is for the string table. Also space is
+	 * allocated for string table.
+	 */
+	data_size = elf_size_of_hdr(class) + 2 * elf_size_of_shdr(class);
+	shnum = 2;
+
+	/* the extra byte is for the null character at index 0 */
+	strtbl_size += strlen(str_tbl) + 2;
+
+	list_for_each_entry(segment, &rproc->dump_segments, node) {
+		data_size += elf_size_of_shdr(class);
+		strtbl_size += strlen(segment->priv) + 1;
+		if (dump_conf == RPROC_COREDUMP_ENABLED)
+			data_size += segment->size;
+		shnum++;
+	}
+
+	data_size += strtbl_size;
+
+	data = vmalloc(data_size);
+	if (!data)
+		return;
+
+	ehdr = data;
+	memset(ehdr, 0, elf_size_of_hdr(class));
+	/* e_ident field is common for both elf32 and elf64 */
+	elf_hdr_init_ident(ehdr, class);
+
+	elf_hdr_set_e_type(class, ehdr, ET_CORE);
+	elf_hdr_set_e_machine(class, ehdr, rproc->elf_machine);
+	elf_hdr_set_e_version(class, ehdr, EV_CURRENT);
+	elf_hdr_set_e_entry(class, ehdr, rproc->bootaddr);
+	elf_hdr_set_e_shoff(class, ehdr, elf_size_of_hdr(class));
+	elf_hdr_set_e_ehsize(class, ehdr, elf_size_of_hdr(class));
+	elf_hdr_set_e_shentsize(class, ehdr, elf_size_of_shdr(class));
+	elf_hdr_set_e_shnum(class, ehdr, shnum);
+	elf_hdr_set_e_shstrndx(class, ehdr, 1);
+
+	/*
+	 * The zeroth index of the section header is reserved and is rarely used.
+	 * Set the section header as null (SHN_UNDEF) and move to the next one.
+	 */
+	shdr = data + elf_hdr_get_e_shoff(class, ehdr);
+	memset(shdr, 0, elf_size_of_shdr(class));
+	shdr += elf_size_of_shdr(class);
+
+	/* Initialize the string table. */
+	offset = elf_hdr_get_e_shoff(class, ehdr) +
+		 elf_size_of_shdr(class) * elf_hdr_get_e_shnum(class, ehdr);
+	memset(data + offset, 0, strtbl_size);
+
+	/* Fill in the string table section header. */
+	memset(shdr, 0, elf_size_of_shdr(class));
+	elf_shdr_set_sh_type(class, shdr, SHT_STRTAB);
+	elf_shdr_set_sh_offset(class, shdr, offset);
+	elf_shdr_set_sh_size(class, shdr, strtbl_size);
+	elf_shdr_set_sh_entsize(class, shdr, 0);
+	elf_shdr_set_sh_flags(class, shdr, 0);
+	elf_shdr_set_sh_name(class, shdr, elf_strtbl_add(str_tbl, ehdr, class, &strtbl_index));
+	offset += elf_shdr_get_sh_size(class, shdr);
+	shdr += elf_size_of_shdr(class);
+
+	list_for_each_entry(segment, &rproc->dump_segments, node) {
+		memset(shdr, 0, elf_size_of_shdr(class));
+		elf_shdr_set_sh_type(class, shdr, SHT_PROGBITS);
+		elf_shdr_set_sh_offset(class, shdr, offset);
+		elf_shdr_set_sh_addr(class, shdr, segment->da);
+		elf_shdr_set_sh_size(class, shdr, segment->size);
+		elf_shdr_set_sh_entsize(class, shdr, 0);
+		elf_shdr_set_sh_flags(class, shdr, SHF_WRITE);
+		elf_shdr_set_sh_name(class, shdr,
+				     elf_strtbl_add(segment->priv, ehdr, class, &strtbl_index));
+
+		/* No need to copy segments for inline dumps */
+		if (dump_conf == RPROC_COREDUMP_ENABLED)
+			rproc_copy_segment(rproc, data + offset, segment, 0,
+					   segment->size);
+		offset += elf_shdr_get_sh_size(class, shdr);
+		shdr += elf_size_of_shdr(class);
+	}
+
+	if (dump_conf == RPROC_COREDUMP_ENABLED) {
+		dev_coredumpv(&rproc->dev, data, data_size, GFP_KERNEL);
+		return;
+	}
+
+	/* Initialize the dump state struct to be used by rproc_coredump_read */
+	dump_state.rproc = rproc;
+	dump_state.header = data;
+	init_completion(&dump_state.dump_done);
+
+	dev_coredumpm(&rproc->dev, NULL, &dump_state, data_size, GFP_KERNEL,
+		      rproc_coredump_read, rproc_coredump_free);
+
+	/* Wait until the dump is read and free is called. Data is freed
+	 * by devcoredump framework automatically after 5 minutes.
+	 */
+	wait_for_completion(&dump_state.dump_done);
+}
+EXPORT_SYMBOL(rproc_coredump_using_sections);
diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index e8bb0ee..5819304 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -132,7 +132,7 @@
 	char buf[100];
 	int len;
 
-	va = rproc_da_to_va(data->rproc, trace->da, trace->len);
+	va = rproc_da_to_va(data->rproc, trace->da, trace->len, NULL);
 
 	if (!va) {
 		len = scnprintf(buf, sizeof(buf), "Trace %s not available\n",
diff --git a/drivers/remoteproc/remoteproc_elf_helpers.h b/drivers/remoteproc/remoteproc_elf_helpers.h
index 4b6be7b..26404e6 100644
--- a/drivers/remoteproc/remoteproc_elf_helpers.h
+++ b/drivers/remoteproc/remoteproc_elf_helpers.h
@@ -65,6 +65,7 @@
 ELF_GEN_FIELD_GET_SET(hdr, e_version, u32)
 ELF_GEN_FIELD_GET_SET(hdr, e_ehsize, u32)
 ELF_GEN_FIELD_GET_SET(hdr, e_phentsize, u16)
+ELF_GEN_FIELD_GET_SET(hdr, e_shentsize, u16)
 
 ELF_GEN_FIELD_GET_SET(phdr, p_paddr, u64)
 ELF_GEN_FIELD_GET_SET(phdr, p_vaddr, u64)
@@ -75,6 +76,9 @@
 ELF_GEN_FIELD_GET_SET(phdr, p_flags, u32)
 ELF_GEN_FIELD_GET_SET(phdr, p_align, u64)
 
+ELF_GEN_FIELD_GET_SET(shdr, sh_type, u32)
+ELF_GEN_FIELD_GET_SET(shdr, sh_flags, u32)
+ELF_GEN_FIELD_GET_SET(shdr, sh_entsize, u16)
 ELF_GEN_FIELD_GET_SET(shdr, sh_size, u64)
 ELF_GEN_FIELD_GET_SET(shdr, sh_offset, u64)
 ELF_GEN_FIELD_GET_SET(shdr, sh_name, u32)
@@ -93,4 +97,26 @@
 ELF_STRUCT_SIZE(phdr)
 ELF_STRUCT_SIZE(hdr)
 
+static inline unsigned int elf_strtbl_add(const char *name, void *ehdr, u8 class, size_t *index)
+{
+	u16 shstrndx = elf_hdr_get_e_shstrndx(class, ehdr);
+	void *shdr;
+	char *strtab;
+	size_t idx, ret;
+
+	shdr = ehdr + elf_size_of_hdr(class) + shstrndx * elf_size_of_shdr(class);
+	strtab = ehdr + elf_shdr_get_sh_offset(class, shdr);
+	idx = index ? *index : 0;
+	if (!strtab || !name)
+		return 0;
+
+	ret = idx;
+	strcpy((strtab + idx), name);
+	idx += strlen(name) + 1;
+	if (index)
+		*index = idx;
+
+	return ret;
+}
+
 #endif /* REMOTEPROC_ELF_LOADER_H */
diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index df68d87..3a5d66b 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -174,6 +174,7 @@
 		u64 filesz = elf_phdr_get_p_filesz(class, phdr);
 		u64 offset = elf_phdr_get_p_offset(class, phdr);
 		u32 type = elf_phdr_get_p_type(class, phdr);
+		bool is_iomem = false;
 		void *ptr;
 
 		if (type != PT_LOAD)
@@ -204,7 +205,7 @@
 		}
 
 		/* grab the kernel address for this device address */
-		ptr = rproc_da_to_va(rproc, da, memsz);
+		ptr = rproc_da_to_va(rproc, da, memsz, &is_iomem);
 		if (!ptr) {
 			dev_err(dev, "bad phdr da 0x%llx mem 0x%llx\n", da,
 				memsz);
@@ -213,8 +214,12 @@
 		}
 
 		/* put the segment where the remote processor expects it */
-		if (filesz)
-			memcpy(ptr, elf_data + offset, filesz);
+		if (filesz) {
+			if (is_iomem)
+				memcpy_toio((void __iomem *)ptr, elf_data + offset, filesz);
+			else
+				memcpy(ptr, elf_data + offset, filesz);
+		}
 
 		/*
 		 * Zero out remaining memory for this segment.
@@ -223,8 +228,12 @@
 		 * did this for us. albeit harmless, we may consider removing
 		 * this.
 		 */
-		if (memsz > filesz)
-			memset(ptr + filesz, 0, memsz - filesz);
+		if (memsz > filesz) {
+			if (is_iomem)
+				memset_io((void __iomem *)(ptr + filesz), 0, memsz - filesz);
+			else
+				memset(ptr + filesz, 0, memsz - filesz);
+		}
 	}
 
 	return ret;
@@ -377,6 +386,6 @@
 		return NULL;
 	}
 
-	return rproc_da_to_va(rproc, sh_addr, sh_size);
+	return rproc_da_to_va(rproc, sh_addr, sh_size, NULL);
 }
 EXPORT_SYMBOL(rproc_elf_find_loaded_rsc_table);
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index c340028..b8bd681 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -49,10 +49,6 @@
 int rproc_init_sysfs(void);
 void rproc_exit_sysfs(void);
 
-/* from remoteproc_coredump.c */
-void rproc_coredump_cleanup(struct rproc *rproc);
-void rproc_coredump(struct rproc *rproc);
-
 #ifdef CONFIG_REMOTEPROC_CDEV
 void rproc_init_cdev(void);
 void rproc_exit_cdev(void);
@@ -84,7 +80,7 @@
 void rproc_free_vring(struct rproc_vring *rvring);
 int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
 
-void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
+void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem);
 phys_addr_t rproc_va_to_pa(void *cpu_addr);
 int rproc_trigger_recovery(struct rproc *rproc);
 
diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
index 09bcb4d..22096ad 100644
--- a/drivers/remoteproc/st_slim_rproc.c
+++ b/drivers/remoteproc/st_slim_rproc.c
@@ -174,7 +174,7 @@
 	return 0;
 }
 
-static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct st_slim_rproc *slim_rproc = rproc->priv;
 	void *va = NULL;
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 863c021..fd4eb67 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -354,7 +354,7 @@
  * can be used either by the remoteproc core for loading (when using kernel
  * remoteproc loader), or by any rpmsg bus drivers.
  */
-static void *k3_dsp_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *k3_dsp_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct k3_dsp_rproc *kproc = rproc->priv;
 	void __iomem *va = NULL;
diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
index f92a18c..0233dce 100644
--- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
@@ -557,7 +557,7 @@
  * present in a DSP or IPU device). The translated addresses can be used
  * either by the remoteproc core for loading, or by any rpmsg bus drivers.
  */
-static void *k3_r5_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *k3_r5_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct k3_r5_rproc *kproc = rproc->priv;
 	struct k3_r5_core *core = kproc->core;
diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c
index b9349d6..45c6035 100644
--- a/drivers/remoteproc/wkup_m3_rproc.c
+++ b/drivers/remoteproc/wkup_m3_rproc.c
@@ -80,7 +80,7 @@
 	return 0;
 }
 
-static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
 {
 	struct wkup_m3_rproc *wkupm3 = rproc->priv;
 	void *va = NULL;
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 147543a..2dca113 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -97,7 +97,8 @@
 	  This enables the reset controller driver for NXP LPC18xx/43xx SoCs.
 
 config RESET_MESON
-	bool "Meson Reset Driver" if COMPILE_TEST
+	tristate "Meson Reset Driver"
+	depends on ARCH_MESON || COMPILE_TEST
 	default ARCH_MESON
 	help
 	  This enables the reset driver for Amlogic Meson SoCs.
diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c
index 94d7ba8..c9bc325 100644
--- a/drivers/reset/reset-meson.c
+++ b/drivers/reset/reset-meson.c
@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/of.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/reset-controller.h>
 #include <linux/slab.h>
@@ -104,6 +105,7 @@
 	 { .compatible = "amlogic,meson-a1-reset",   .data = &meson_a1_param},
 	 { /* sentinel */ },
 };
+MODULE_DEVICE_TABLE(of, meson_reset_dt_ids);
 
 static int meson_reset_probe(struct platform_device *pdev)
 {
@@ -142,4 +144,8 @@
 		.of_match_table	= meson_reset_dt_ids,
 	},
 };
-builtin_platform_driver(meson_reset_driver);
+module_platform_driver(meson_reset_driver);
+
+MODULE_DESCRIPTION("Amlogic Meson Reset Controller driver");
+MODULE_AUTHOR("Neil Armstrong <narmstrong@baylibre.com>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/reset/reset-scmi.c b/drivers/reset/reset-scmi.c
index 8d3a858..161846e 100644
--- a/drivers/reset/reset-scmi.c
+++ b/drivers/reset/reset-scmi.c
@@ -2,7 +2,7 @@
 /*
  * ARM System Control and Management Interface (ARM SCMI) reset driver
  *
- * Copyright (C) 2019 ARM Ltd.
+ * Copyright (C) 2019-2020 ARM Ltd.
  */
 
 #include <linux/module.h>
@@ -11,18 +11,20 @@
 #include <linux/reset-controller.h>
 #include <linux/scmi_protocol.h>
 
+static const struct scmi_reset_proto_ops *reset_ops;
+
 /**
  * struct scmi_reset_data - reset controller information structure
  * @rcdev: reset controller entity
- * @handle: ARM SCMI handle used for communication with system controller
+ * @ph: ARM SCMI protocol handle used for communication with system controller
  */
 struct scmi_reset_data {
 	struct reset_controller_dev rcdev;
-	const struct scmi_handle *handle;
+	const struct scmi_protocol_handle *ph;
 };
 
 #define to_scmi_reset_data(p)	container_of((p), struct scmi_reset_data, rcdev)
-#define to_scmi_handle(p)	(to_scmi_reset_data(p)->handle)
+#define to_scmi_handle(p)	(to_scmi_reset_data(p)->ph)
 
 /**
  * scmi_reset_assert() - assert device reset
@@ -37,9 +39,9 @@
 static int
 scmi_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
 {
-	const struct scmi_handle *handle = to_scmi_handle(rcdev);
+	const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev);
 
-	return handle->reset_ops->assert(handle, id);
+	return reset_ops->assert(ph, id);
 }
 
 /**
@@ -55,9 +57,9 @@
 static int
 scmi_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
 {
-	const struct scmi_handle *handle = to_scmi_handle(rcdev);
+	const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev);
 
-	return handle->reset_ops->deassert(handle, id);
+	return reset_ops->deassert(ph, id);
 }
 
 /**
@@ -73,9 +75,9 @@
 static int
 scmi_reset_reset(struct reset_controller_dev *rcdev, unsigned long id)
 {
-	const struct scmi_handle *handle = to_scmi_handle(rcdev);
+	const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev);
 
-	return handle->reset_ops->reset(handle, id);
+	return reset_ops->reset(ph, id);
 }
 
 static const struct reset_control_ops scmi_reset_ops = {
@@ -90,10 +92,15 @@
 	struct device *dev = &sdev->dev;
 	struct device_node *np = dev->of_node;
 	const struct scmi_handle *handle = sdev->handle;
+	struct scmi_protocol_handle *ph;
 
-	if (!handle || !handle->reset_ops)
+	if (!handle)
 		return -ENODEV;
 
+	reset_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_RESET, &ph);
+	if (IS_ERR(reset_ops))
+		return PTR_ERR(reset_ops);
+
 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
@@ -101,8 +108,8 @@
 	data->rcdev.ops = &scmi_reset_ops;
 	data->rcdev.owner = THIS_MODULE;
 	data->rcdev.of_node = np;
-	data->rcdev.nr_resets = handle->reset_ops->num_domains_get(handle);
-	data->handle = handle;
+	data->rcdev.nr_resets = reset_ops->num_domains_get(ph);
+	data->ph = ph;
 
 	return devm_reset_controller_register(dev, &data->rcdev);
 }
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index fd3d7b3..3c6fd03 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -283,6 +283,42 @@
 }
 EXPORT_SYMBOL(rpmsg_trysend_offchannel);
 
+/**
+ * rpmsg_get_signals() - get the signals for this endpoint
+ * @ept:	the rpmsg endpoint
+ *
+ * Returns signal bits on success and an appropriate error value on failure.
+ */
+int rpmsg_get_signals(struct rpmsg_endpoint *ept)
+{
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->get_signals)
+		return -ENXIO;
+
+	return ept->ops->get_signals(ept);
+}
+EXPORT_SYMBOL(rpmsg_get_signals);
+
+/**
+ * rpmsg_set_signals() - set the remote signals for this endpoint
+ * @ept:	the rpmsg endpoint
+ * @set:	set mask for signals
+ * @clear:	clear mask for signals
+ *
+ * Returns 0 on success and an appropriate error value on failure.
+ */
+int rpmsg_set_signals(struct rpmsg_endpoint *ept, u32 set, u32 clear)
+{
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->set_signals)
+		return -ENXIO;
+
+	return ept->ops->set_signals(ept, set, clear);
+}
+EXPORT_SYMBOL(rpmsg_set_signals);
+
 /*
  * match a rpmsg channel with a channel info struct.
  * this is used to make sure we're not creating rpmsg devices for channels
@@ -469,6 +505,10 @@
 
 		rpdev->ept = ept;
 		rpdev->src = ept->addr;
+
+		if (rpdrv->signals)
+			ept->sig_cb = rpdrv->signals;
+
 	}
 
 	err = rpdrv->probe(rpdev);
@@ -546,7 +586,7 @@
 
 	device_initialize(dev);
 	if (driver_override) {
-		ret = driver_set_override(dev, &rpdev->driver_override,
+		ret = driver_set_override(dev, (const char **)&rpdev->driver_override,
 					  driver_override,
 					  strlen(driver_override));
 		if (ret) {
diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
index f305279..23509e7b 100644
--- a/drivers/rpmsg/rpmsg_internal.h
+++ b/drivers/rpmsg/rpmsg_internal.h
@@ -2,6 +2,7 @@
 /*
  * remote processor messaging bus internals
  *
+ * Copyright (c) 2020 The Linux Foundation.
  * Copyright (C) 2011 Texas Instruments, Inc.
  * Copyright (C) 2011 Google, Inc.
  *
@@ -47,6 +48,8 @@
  * @trysendto:		see @rpmsg_trysendto(), optional
  * @trysend_offchannel:	see @rpmsg_trysend_offchannel(), optional
  * @poll:		see @rpmsg_poll(), optional
+ * @get_signals:	see @rpmsg_get_signals(), optional
+ * @set_signals:	see @rpmsg_set_signals(), optional
  *
  * Indirection table for the operations that a rpmsg backend should implement.
  * In addition to @destroy_ept, the backend must at least implement @send and
@@ -66,6 +69,8 @@
 			     void *data, int len);
 	__poll_t (*poll)(struct rpmsg_endpoint *ept, struct file *filp,
 			     poll_table *wait);
+	int (*get_signals)(struct rpmsg_endpoint *ept);
+	int (*set_signals)(struct rpmsg_endpoint *ept, u32 set, u32 clear);
 };
 
 int rpmsg_register_device(struct rpmsg_device *rpdev);
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 9e06628..78f9adf 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -70,7 +70,7 @@
 	 * anymore the system won't work anyway.
 	 */
 	if (order > 2)
-		page = cma_alloc(vmcp_cma, nr_pages, 0, false);
+		page = cma_alloc(vmcp_cma, nr_pages, 0, GFP_KERNEL);
 	if (page) {
 		session->response = (char *)page_to_phys(page);
 		session->cma_alloc = 1;
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 3486e40..98292025 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -1408,7 +1408,7 @@
 					       u32 resid_len,
 					       struct fchs_s *rsp_fchs);
 static void     bfa_fcs_lport_fdmi_timeout(void *arg);
-static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
+static int bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
 						  u8 *pyld);
 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
 						  u8 *pyld);
@@ -1887,6 +1887,8 @@
 		bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
 					  (u8 *) ((struct ct_hdr_s *) pyld
 						       + 1));
+	if (attr_len < 0)
+		return;
 
 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
 			  FC_CLASS_3, (len + attr_len), &fchs,
@@ -1896,17 +1898,20 @@
 	bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
 }
 
-static          u16
+static int
 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
 {
 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
-	struct bfa_fcs_fdmi_hba_attr_s hba_attr;
-	struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
+	struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr;
 	struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
 	struct fdmi_attr_s *attr;
+	int        len;
 	u8        *curr_ptr;
-	u16        len, count;
-	u16	templen;
+	u16	templen, count;
+
+	fcs_hba_attr = kzalloc(sizeof(*fcs_hba_attr), GFP_KERNEL);
+	if (!fcs_hba_attr)
+		return -ENOMEM;
 
 	/*
 	 * get hba attributes
@@ -2148,6 +2153,9 @@
 	len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
 
 	rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
+
+	kfree(fcs_hba_attr);
+
 	return len;
 }
 
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 59eb6c2..2f7dfa6 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -480,6 +480,7 @@
 	dev_set_name(&shost->shost_gendev, "host%d", shost->host_no);
 	shost->shost_gendev.bus = &scsi_bus_type;
 	shost->shost_gendev.type = &scsi_host_type;
+	scsi_enable_async_suspend(&shost->shost_gendev);
 
 	device_initialize(&shost->shost_dev);
 	shost->shost_dev.parent = &shost->shost_gendev;
@@ -522,7 +523,7 @@
 static int __scsi_host_match(struct device *dev, const void *data)
 {
 	struct Scsi_Host *p;
-	const unsigned int *hostnum = data;
+	const unsigned short *hostnum = data;
 
 	p = class_to_shost(dev);
 	return p->host_no == *hostnum;
@@ -539,7 +540,7 @@
  *	that scsi_host_get() took. The put_device() below dropped
  *	the reference from class_find_device().
  **/
-struct Scsi_Host *scsi_host_lookup(unsigned int hostnum)
+struct Scsi_Host *scsi_host_lookup(unsigned short hostnum)
 {
 	struct device *cdev;
 	struct Scsi_Host *shost = NULL;
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 161c9b3..2661a37 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -8,7 +8,6 @@
 
 #include <linux/scatterlist.h>
 #include <linux/slab.h>
-#include <linux/async.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_eh.h>
 #include "sas_internal.h"
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index d6c25a8..b4cb368 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -55,7 +55,6 @@
 #include <linux/notifier.h>
 #include <linux/cpu.h>
 #include <linux/mutex.h>
-#include <linux/async.h>
 #include <asm/unaligned.h>
 
 #include <scsi/scsi.h>
@@ -86,14 +85,6 @@
 EXPORT_SYMBOL(scsi_logging_level);
 #endif
 
-/*
- * Domain for asynchronous system resume operations.  It is marked 'exclusive'
- * to avoid being included in the async_synchronize_full() that is invoked by
- * dpm_resume().
- */
-ASYNC_DOMAIN_EXCLUSIVE(scsi_sd_pm_domain);
-EXPORT_SYMBOL(scsi_sd_pm_domain);
-
 #ifdef CONFIG_SCSI_LOGGING
 void scsi_log_send(struct scsi_cmnd *cmd)
 {
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 3d3d139..d1fbf91a 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -292,7 +292,6 @@
 enum blk_eh_timer_return scsi_times_out(struct request *req)
 {
 	struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req);
-	enum blk_eh_timer_return rtn = BLK_EH_DONE;
 	struct Scsi_Host *host = scmd->device->host;
 
 	trace_scsi_dispatch_cmd_timeout(scmd);
@@ -301,23 +300,32 @@
 	if (host->eh_deadline != -1 && !host->last_reset)
 		host->last_reset = jiffies;
 
-	if (host->hostt->eh_timed_out)
-		rtn = host->hostt->eh_timed_out(scmd);
-
-	if (rtn == BLK_EH_DONE) {
-		/*
-		 * If scsi_done() has already set SCMD_STATE_COMPLETE, do not
-		 * modify *scmd.
-		 */
-		if (test_and_set_bit(SCMD_STATE_COMPLETE, &scmd->state))
+	if (host->hostt->eh_timed_out2) {
+		switch (host->hostt->eh_timed_out2(scmd)) {
+		case SCSI_EH_DONE:
 			return BLK_EH_DONE;
-		if (scsi_abort_command(scmd) != SUCCESS) {
-			set_host_byte(scmd, DID_TIME_OUT);
-			scsi_eh_scmd_add(scmd);
+		case SCSI_EH_RESET_TIMER:
+			return BLK_EH_RESET_TIMER;
+		case SCSI_EH_NOT_HANDLED:
+			break;
 		}
+	} else if (host->hostt->eh_timed_out &&
+		   host->hostt->eh_timed_out(scmd) == BLK_EH_RESET_TIMER) {
+		return BLK_EH_RESET_TIMER;
 	}
 
-	return rtn;
+	/*
+	 * If scsi_done() has already set SCMD_STATE_COMPLETE, do not modify
+	 * *scmd.
+	 */
+	if (test_and_set_bit(SCMD_STATE_COMPLETE, &scmd->state))
+		return BLK_EH_DONE;
+	if (scsi_abort_command(scmd) != SUCCESS) {
+		set_host_byte(scmd, DID_TIME_OUT);
+		scsi_eh_scmd_add(scmd);
+	}
+
+	return BLK_EH_DONE;
 }
 
 /**
@@ -440,8 +448,13 @@
 
 		if (sshdr->asc == 0x29) {
 			evt_type = SDEV_EVT_POWER_ON_RESET_OCCURRED;
-			sdev_printk(KERN_WARNING, sdev,
-				    "Power-on or device reset occurred\n");
+			/*
+			 * Do not print message if it is an expected side-effect
+			 * of runtime PM.
+			 */
+			if (!sdev->silence_suspend)
+				sdev_printk(KERN_WARNING, sdev,
+					    "Power-on or device reset occurred\n");
 		}
 
 		if (sshdr->asc == 0x2a && sshdr->ascq == 0x01) {
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 99b9003..673d065 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1346,9 +1346,6 @@
 				   struct scsi_device *sdev,
 				   struct scsi_cmnd *cmd)
 {
-	if (scsi_host_in_recovery(shost))
-		return 0;
-
 	if (atomic_read(&shost->host_blocked) > 0) {
 		if (scsi_host_busy(shost) > 0)
 			goto starved;
@@ -1663,6 +1660,11 @@
 	ret = BLK_STS_RESOURCE;
 	if (!scsi_target_queue_ready(shost, sdev))
 		goto out_put_budget;
+	if (unlikely(scsi_host_in_recovery(shost))) {
+		if (cmd->flags & SCMD_FAIL_IF_RECOVERING)
+			ret = BLK_STS_IOERR;
+		goto out_dec_target_busy;
+	}
 	if (!scsi_host_queue_ready(q, shost, sdev, cmd))
 		goto out_dec_target_busy;
 
@@ -1781,6 +1783,19 @@
 			       cmd->sense_buffer);
 }
 
+
+static int scsi_mq_poll(struct blk_mq_hw_ctx *hctx)
+{
+	struct request_queue *q = hctx->queue;
+	struct scsi_device *sdev = q->queuedata;
+	struct Scsi_Host *shost = sdev->host;
+
+	if (shost->hostt->mq_poll)
+		return shost->hostt->mq_poll(shost, hctx->queue_num);
+
+	return 0;
+}
+
 static int scsi_map_queues(struct blk_mq_tag_set *set)
 {
 	struct Scsi_Host *shost = container_of(set, struct Scsi_Host, tag_set);
@@ -1848,6 +1863,7 @@
 	.cleanup_rq	= scsi_cleanup_rq,
 	.busy		= scsi_mq_lld_busy,
 	.map_queues	= scsi_map_queues,
+	.poll		= scsi_mq_poll,
 };
 
 
@@ -1876,6 +1892,7 @@
 	.cleanup_rq	= scsi_cleanup_rq,
 	.busy		= scsi_mq_lld_busy,
 	.map_queues	= scsi_map_queues,
+	.poll		= scsi_mq_poll,
 };
 
 struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev)
@@ -1894,6 +1911,7 @@
 {
 	unsigned int cmd_size, sgl_size;
 	struct blk_mq_tag_set *tag_set = &shost->tag_set;
+	unsigned int reserved_tags = shost->hostt->reserved_tags;
 
 	sgl_size = max_t(unsigned int, sizeof(struct scatterlist),
 				scsi_mq_inline_sgl_size(shost));
@@ -1908,7 +1926,9 @@
 	else
 		tag_set->ops = &scsi_mq_ops_no_commit;
 	tag_set->nr_hw_queues = shost->nr_hw_queues ? : 1;
-	tag_set->queue_depth = shost->can_queue;
+	tag_set->nr_maps = shost->nr_maps ? : 1;
+	tag_set->queue_depth = shost->can_queue + reserved_tags;
+	tag_set->reserved_tags = reserved_tags;
 	tag_set->cmd_size = cmd_size;
 	tag_set->numa_node = NUMA_NO_NODE;
 	tag_set->flags = BLK_MQ_F_SHOULD_MERGE;
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index e91a0a5..d581613 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -8,7 +8,6 @@
 
 #include <linux/pm_runtime.h>
 #include <linux/export.h>
-#include <linux/async.h>
 #include <linux/blk-pm.h>
 
 #include <scsi/scsi.h>
@@ -56,9 +55,6 @@
 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 	int err;
 
-	/* flush pending in-flight resume operations, suspend is synchronous */
-	async_synchronize_full_domain(&scsi_sd_pm_domain);
-
 	err = scsi_device_quiesce(to_scsi_device(dev));
 	if (err == 0) {
 		err = cb(dev, pm);
@@ -69,108 +65,30 @@
 	return err;
 }
 
-static int scsi_dev_type_resume(struct device *dev,
-		int (*cb)(struct device *, const struct dev_pm_ops *))
-{
-	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-	int err = 0;
-
-	err = cb(dev, pm);
-	scsi_device_resume(to_scsi_device(dev));
-	dev_dbg(dev, "scsi resume: %d\n", err);
-
-	if (err == 0) {
-		pm_runtime_disable(dev);
-		err = pm_runtime_set_active(dev);
-		pm_runtime_enable(dev);
-
-		/*
-		 * Forcibly set runtime PM status of request queue to "active"
-		 * to make sure we can again get requests from the queue
-		 * (see also blk_pm_peek_request()).
-		 *
-		 * The resume hook will correct runtime PM status of the disk.
-		 */
-		if (!err && scsi_is_sdev_device(dev)) {
-			struct scsi_device *sdev = to_scsi_device(dev);
-
-			blk_set_runtime_active(sdev->request_queue);
-		}
-	}
-
-	return err;
-}
-
 static int
 scsi_bus_suspend_common(struct device *dev,
 		int (*cb)(struct device *, const struct dev_pm_ops *))
 {
-	int err = 0;
+	if (!scsi_is_sdev_device(dev))
+		return 0;
 
-	if (scsi_is_sdev_device(dev)) {
-		/*
-		 * All the high-level SCSI drivers that implement runtime
-		 * PM treat runtime suspend, system suspend, and system
-		 * hibernate nearly identically. In all cases the requirements
-		 * for runtime suspension are stricter.
-		 */
-		if (pm_runtime_suspended(dev))
-			return 0;
-
-		err = scsi_dev_type_suspend(dev, cb);
-	}
-
-	return err;
-}
-
-static void async_sdev_resume(void *dev, async_cookie_t cookie)
-{
-	scsi_dev_type_resume(dev, do_scsi_resume);
-}
-
-static void async_sdev_thaw(void *dev, async_cookie_t cookie)
-{
-	scsi_dev_type_resume(dev, do_scsi_thaw);
-}
-
-static void async_sdev_restore(void *dev, async_cookie_t cookie)
-{
-	scsi_dev_type_resume(dev, do_scsi_restore);
+	return scsi_dev_type_suspend(dev, cb);
 }
 
 static int scsi_bus_resume_common(struct device *dev,
 		int (*cb)(struct device *, const struct dev_pm_ops *))
 {
-	async_func_t fn;
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+	int err;
 
 	if (!scsi_is_sdev_device(dev))
-		fn = NULL;
-	else if (cb == do_scsi_resume)
-		fn = async_sdev_resume;
-	else if (cb == do_scsi_thaw)
-		fn = async_sdev_thaw;
-	else if (cb == do_scsi_restore)
-		fn = async_sdev_restore;
-	else
-		fn = NULL;
+		return 0;
 
-	if (fn) {
-		async_schedule_domain(fn, dev, &scsi_sd_pm_domain);
+	err = cb(dev, pm);
+	scsi_device_resume(to_scsi_device(dev));
+	dev_dbg(dev, "scsi resume: %d\n", err);
 
-		/*
-		 * If a user has disabled async probing a likely reason
-		 * is due to a storage enclosure that does not inject
-		 * staggered spin-ups.  For safety, make resume
-		 * synchronous as well in that case.
-		 */
-		if (strncmp(scsi_scan_type, "async", 5) != 0)
-			async_synchronize_full_domain(&scsi_sd_pm_domain);
-	} else {
-		pm_runtime_disable(dev);
-		pm_runtime_set_active(dev);
-		pm_runtime_enable(dev);
-	}
-	return 0;
+	return err;
 }
 
 static int scsi_bus_prepare(struct device *dev)
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 180636d..7695dfe1 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -3,7 +3,6 @@
 #define _SCSI_PRIV_H
 
 #include <linux/device.h>
-#include <linux/async.h>
 #include <scsi/scsi_device.h>
 
 struct request_queue;
@@ -117,7 +116,7 @@
 #endif /* CONFIG_PROC_FS */
 
 /* scsi_scan.c */
-extern char scsi_scan_type[];
+void scsi_enable_async_suspend(struct device *dev);
 extern int scsi_complete_async_scans(void);
 extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
 				   unsigned int, u64, enum scsi_scan_mode);
@@ -171,8 +170,6 @@
 static inline void scsi_autopm_put_host(struct Scsi_Host *h) {}
 #endif /* CONFIG_PM */
 
-extern struct async_domain scsi_sd_pm_domain;
-
 /* scsi_dh.c */
 #ifdef CONFIG_SCSI_DH
 void scsi_dh_add_device(struct scsi_device *sdev);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 6f7c4d4..e7a8a92 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -97,7 +97,7 @@
 #define SCSI_SCAN_TYPE_DEFAULT "sync"
 #endif
 
-char scsi_scan_type[7] = SCSI_SCAN_TYPE_DEFAULT;
+static char scsi_scan_type[7] = SCSI_SCAN_TYPE_DEFAULT;
 
 module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type),
 		    S_IRUGO|S_IWUSR);
@@ -122,6 +122,22 @@
 	struct completion prev_finished;
 };
 
+/*
+ * scsi_enable_async_suspend - Enable async suspend and resume
+ */
+void scsi_enable_async_suspend(struct device *dev)
+{
+	/*
+	 * If a user has disabled async probing a likely reason is due to a
+	 * storage enclosure that does not inject staggered spin-ups. For
+	 * safety, make resume synchronous as well in that case.
+	 */
+	if (strncmp(scsi_scan_type, "async", 5) != 0)
+		return;
+	/* Enable asynchronous suspend and resume. */
+	device_enable_async_suspend(dev);
+}
+
 /**
  * scsi_complete_async_scans - Wait for asynchronous scans to complete
  *
@@ -430,6 +446,7 @@
 	dev_set_name(dev, "target%d:%d:%d", shost->host_no, channel, id);
 	dev->bus = &scsi_bus_type;
 	dev->type = &scsi_target_type;
+	scsi_enable_async_suspend(dev);
 	starget->id = id;
 	starget->channel = channel;
 	starget->can_queue = 0;
@@ -952,6 +969,9 @@
 	if (*bflags & BLIST_UNMAP_LIMIT_WS)
 		sdev->unmap_limit_for_ws = 1;
 
+	if (*bflags & BLIST_IGN_MEDIA_CHANGE)
+		sdev->ignore_media_change = 1;
+
 	sdev->eh_timeout = SCSI_DEFAULT_EH_TIMEOUT;
 
 	if (*bflags & BLIST_TRY_VPD_PAGES)
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 6cc4d07..dcddd05 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1633,6 +1633,7 @@
 	device_initialize(&sdev->sdev_gendev);
 	sdev->sdev_gendev.bus = &scsi_bus_type;
 	sdev->sdev_gendev.type = &scsi_dev_type;
+	scsi_enable_async_suspend(&sdev->sdev_gendev);
 	dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%llu",
 		     sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
 
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 58f6617..8fff9ee 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -50,7 +50,6 @@
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/string_helpers.h>
-#include <linux/async.h>
 #include <linux/slab.h>
 #include <linux/sed-opal.h>
 #include <linux/pm_runtime.h>
@@ -113,7 +112,8 @@
 static void sd_shutdown(struct device *);
 static int sd_suspend_system(struct device *);
 static int sd_suspend_runtime(struct device *);
-static int sd_resume(struct device *);
+static int sd_resume_system(struct device *);
+static int sd_resume_runtime(struct device *);
 static void sd_rescan(struct device *);
 static blk_status_t sd_init_command(struct scsi_cmnd *SCpnt);
 static void sd_uninit_command(struct scsi_cmnd *SCpnt);
@@ -604,11 +604,11 @@
 
 static const struct dev_pm_ops sd_pm_ops = {
 	.suspend		= sd_suspend_system,
-	.resume			= sd_resume,
+	.resume			= sd_resume_system,
 	.poweroff		= sd_suspend_system,
-	.restore		= sd_resume,
+	.restore		= sd_resume_system,
 	.runtime_suspend	= sd_suspend_runtime,
-	.runtime_resume		= sd_resume,
+	.runtime_resume		= sd_resume_runtime,
 };
 
 static struct scsi_driver sd_template = {
@@ -3538,7 +3538,6 @@
 	devt = disk_devt(sdkp->disk);
 	scsi_autopm_get_device(sdkp->device);
 
-	async_synchronize_full_domain(&scsi_sd_pm_domain);
 	device_del(&sdkp->dev);
 	del_gendisk(sdkp->disk);
 	sd_shutdown(dev);
@@ -3664,7 +3663,8 @@
 		return 0;
 
 	if (sdkp->WCE && sdkp->media_present) {
-		sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n");
+		if (!sdkp->device->silence_suspend)
+			sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n");
 		ret = sd_sync_cache(sdkp, &sshdr);
 
 		if (ret) {
@@ -3686,7 +3686,8 @@
 	}
 
 	if (sdkp->device->manage_start_stop) {
-		sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n");
+		if (!sdkp->device->silence_suspend)
+			sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n");
 		/* an error is not worth aborting a system sleep */
 		ret = sd_start_stop_device(sdkp, 0);
 		if (ignore_stop_errors)
@@ -3698,6 +3699,9 @@
 
 static int sd_suspend_system(struct device *dev)
 {
+	if (pm_runtime_suspended(dev))
+		return 0;
+
 	return sd_suspend_common(dev, true);
 }
 
@@ -3724,6 +3728,38 @@
 	return ret;
 }
 
+static int sd_resume_system(struct device *dev)
+{
+	if (pm_runtime_suspended(dev))
+		return 0;
+
+	return sd_resume(dev);
+}
+
+static int sd_resume_runtime(struct device *dev)
+{
+	struct scsi_disk *sdkp = dev_get_drvdata(dev);
+	struct scsi_device *sdp;
+
+	if (!sdkp)	/* E.g.: runtime resume at the start of sd_probe() */
+		return 0;
+
+	sdp = sdkp->device;
+
+	if (sdp->ignore_media_change) {
+		/* clear the device's sense data */
+		static const u8 cmd[10] = { REQUEST_SENSE };
+
+		if (scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL,
+				 NULL, sdp->request_queue->rq_timeout, 1, 0,
+				 RQF_PM, NULL))
+			sd_printk(KERN_NOTICE, sdkp,
+				  "Failed to clear sense data\n");
+	}
+
+	return sd_resume(dev);
+}
+
 /**
  *	init_sd - entry point for this driver (both when built in or when
  *	a module).
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index b59136c..c76f7c9e 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -125,6 +125,9 @@
 	unsigned	urswrz : 1;
 	unsigned	security : 1;
 	unsigned	ignore_medium_access_errors : 1;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 #define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
 
diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig
index c339517..9fe27b0 100644
--- a/drivers/scsi/ufs/Kconfig
+++ b/drivers/scsi/ufs/Kconfig
@@ -39,7 +39,7 @@
 	select DEVFREQ_GOV_SIMPLE_ONDEMAND
 	select NLS
 	help
-	This selects the support for UFS devices in Linux, say Y and make
+	  This selects the support for UFS devices in Linux, say Y and make
 	  sure that you know the name of your UFS host adapter (the card
 	  inside your computer that "speaks" the UFS protocol, also
 	  called UFS Host Controller), because you will be asked for it.
@@ -50,12 +50,14 @@
 	  However, do not compile this as a module if your root file system
 	  (the one containing the directory /) is located on a UFS device.
 
+if SCSI_UFSHCD
+
 config SCSI_UFSHCD_PCI
 	tristate "PCI bus based UFS Controller support"
-	depends on SCSI_UFSHCD && PCI
+	depends on PCI
 	help
-	This selects the PCI UFS Host Controller Interface. Select this if
-	you have UFS Host Controller with PCI Interface.
+	  This selects the PCI UFS Host Controller Interface. Select this if
+	  you have UFS Host Controller with PCI Interface.
 
 	  If you have a controller with this interface, say Y or M here.
 
@@ -71,13 +73,12 @@
 
 config SCSI_UFSHCD_PLATFORM
 	tristate "Platform bus based UFS Controller support"
-	depends on SCSI_UFSHCD
 	depends on HAS_IOMEM
 	help
-	This selects the UFS host controller support. Select this if
-	you have an UFS controller on Platform bus.
+	  This selects the UFS host controller support. Select this if
+	  you have an UFS controller on Platform bus.
 
-	If you have a controller with this interface, say Y or M here.
+	  If you have a controller with this interface, say Y or M here.
 
 	  If unsure, say N.
 
@@ -85,7 +86,7 @@
 	tristate "Cadence UFS Controller platform driver"
 	depends on SCSI_UFSHCD_PLATFORM
 	help
-	This selects the Cadence-specific additions to UFSHCD platform driver.
+	  This selects the Cadence-specific additions to UFSHCD platform driver.
 
 	  If unsure, say N.
 
@@ -100,7 +101,7 @@
 config SCSI_UFS_QCOM
 	tristate "QCOM specific hooks to UFS controller platform driver"
 	depends on SCSI_UFSHCD_PLATFORM && ARCH_QCOM
-	select QCOM_SCM
+	select QCOM_SCM if SCSI_UFS_CRYPTO
 	select RESET_CONTROLLER
 	help
 	  This selects the QCOM specific additions to UFSHCD platform driver.
@@ -115,6 +116,7 @@
 	tristate "Mediatek specific hooks to UFS controller platform driver"
 	depends on SCSI_UFSHCD_PLATFORM && ARCH_MEDIATEK
 	select PHY_MTK_UFS
+	select RESET_TI_SYSCON
 	help
 	  This selects the Mediatek specific additions to UFSHCD platform driver.
 	  UFS host on Mediatek needs some vendor specific configuration before
@@ -146,7 +148,6 @@
 
 config SCSI_UFS_BSG
 	bool "Universal Flash Storage BSG device node"
-	depends on SCSI_UFSHCD
 	select BLK_DEV_BSGLIB
 	help
 	  Universal Flash Storage (UFS) is SCSI transport specification for
@@ -164,21 +165,47 @@
 	  If unsure, say N.
 
 config SCSI_UFS_EXYNOS
-	tristate "EXYNOS specific hooks to UFS controller platform driver"
+	tristate "Exynos specific hooks to UFS controller platform driver"
 	depends on SCSI_UFSHCD_PLATFORM && (ARCH_EXYNOS || COMPILE_TEST)
 	help
-	  This selects the EXYNOS specific additions to UFSHCD platform driver.
-	  UFS host on EXYNOS includes HCI and UNIPRO layer, and associates with
-	  UFS-PHY driver.
+	  This selects the Samsung Exynos SoC specific additions to UFSHCD
+	  platform driver.  UFS host on Samsung Exynos SoC includes HCI and
+	  UNIPRO layer, and associates with UFS-PHY driver.
 
-	  Select this if you have UFS host controller on EXYNOS chipset.
+	  Select this if you have UFS host controller on Samsung Exynos SoC.
 	  If unsure, say N.
 
 config SCSI_UFS_CRYPTO
 	bool "UFS Crypto Engine Support"
-	depends on SCSI_UFSHCD && BLK_INLINE_ENCRYPTION
+	depends on BLK_INLINE_ENCRYPTION
 	help
 	  Enable Crypto Engine Support in UFS.
 	  Enabling this makes it possible for the kernel to use the crypto
 	  capabilities of the UFS device (if present) to perform crypto
 	  operations on data being transferred to/from the device.
+
+config SCSI_UFS_HPB
+	bool "Support UFS Host Performance Booster"
+	help
+	  The UFS HPB feature improves random read performance. It caches
+	  L2P (logical to physical) map of UFS to host DRAM. The driver uses HPB
+	  read command by piggybacking physical page number for bypassing FTL (flash
+	  translation layer)'s L2P address translation.
+
+config SCSI_UFS_FAULT_INJECTION
+	bool "UFS Fault Injection Support"
+	depends on FAULT_INJECTION
+	help
+	  Enable fault injection support in the UFS driver. This makes it easier
+	  to test the UFS error handler and abort handler.
+
+config SCSI_UFS_HWMON
+	bool "UFS Temperature Notification"
+	depends on SCSI_UFSHCD=HWMON || HWMON=y
+	help
+	  This provides support for UFS hardware monitoring. If enabled,
+	  a hardware monitoring device will be created for the UFS device.
+
+	  If unsure, say N.
+
+endif
diff --git a/drivers/scsi/ufs/Makefile b/drivers/scsi/ufs/Makefile
index 4679af1..9660488 100644
--- a/drivers/scsi/ufs/Makefile
+++ b/drivers/scsi/ufs/Makefile
@@ -1,5 +1,17 @@
 # SPDX-License-Identifier: GPL-2.0
 # UFSHCD makefile
+
+# The link order is important here. ufshcd-core must initialize
+# before vendor drivers.
+obj-$(CONFIG_SCSI_UFSHCD)		+= ufshcd-core.o
+ufshcd-core-y				+= ufshcd.o ufs-sysfs.o
+ufshcd-core-$(CONFIG_DEBUG_FS)		+= ufs-debugfs.o
+ufshcd-core-$(CONFIG_SCSI_UFS_BSG)	+= ufs_bsg.o
+ufshcd-core-$(CONFIG_SCSI_UFS_CRYPTO)	+= ufshcd-crypto.o
+ufshcd-core-$(CONFIG_SCSI_UFS_HPB)	+= ufshpb.o
+ufshcd-core-$(CONFIG_SCSI_UFS_FAULT_INJECTION) += ufs-fault-injection.o
+ufshcd-core-$(CONFIG_SCSI_UFS_HWMON) += ufs-hwmon.o
+
 obj-$(CONFIG_SCSI_UFS_DWC_TC_PCI) += tc-dwc-g210-pci.o ufshcd-dwc.o tc-dwc-g210.o
 obj-$(CONFIG_SCSI_UFS_DWC_TC_PLATFORM) += tc-dwc-g210-pltfrm.o ufshcd-dwc.o tc-dwc-g210.o
 obj-$(CONFIG_SCSI_UFS_CDNS_PLATFORM) += cdns-pltfrm.o
@@ -7,10 +19,6 @@
 ufs_qcom-y += ufs-qcom.o
 ufs_qcom-$(CONFIG_SCSI_UFS_CRYPTO) += ufs-qcom-ice.o
 obj-$(CONFIG_SCSI_UFS_EXYNOS) += ufs-exynos.o
-obj-$(CONFIG_SCSI_UFSHCD) += ufshcd-core.o
-ufshcd-core-y				+= ufshcd.o ufs-sysfs.o
-ufshcd-core-$(CONFIG_SCSI_UFS_BSG)	+= ufs_bsg.o
-ufshcd-core-$(CONFIG_SCSI_UFS_CRYPTO) += ufshcd-crypto.o
 obj-$(CONFIG_SCSI_UFSHCD_PCI) += ufshcd-pci.o
 obj-$(CONFIG_SCSI_UFSHCD_PLATFORM) += ufshcd-pltfrm.o
 obj-$(CONFIG_SCSI_UFS_HISI) += ufs-hisi.o
diff --git a/drivers/scsi/ufs/cdns-pltfrm.c b/drivers/scsi/ufs/cdns-pltfrm.c
index da065a2..7da8be2 100644
--- a/drivers/scsi/ufs/cdns-pltfrm.c
+++ b/drivers/scsi/ufs/cdns-pltfrm.c
@@ -100,6 +100,7 @@
 }
 
 /**
+ * cdns_ufs_set_hclkdiv()
  * Sets HCLKDIV register value based on the core_clk
  * @hba: host controller instance
  *
@@ -141,6 +142,7 @@
 }
 
 /**
+ * cdns_ufs_hce_enable_notify()
  * Called before and after HCE enable bit is set.
  * @hba: host controller instance
  * @status: notify stage (pre, post change)
@@ -157,6 +159,7 @@
 }
 
 /**
+ * cdns_ufs_hibern8_notify()
  * Called around hibern8 enter/exit.
  * @hba: host controller instance
  * @cmd: UIC Command
@@ -173,6 +176,7 @@
 }
 
 /**
+ * cdns_ufs_link_startup_notify()
  * Called before and after Link startup is carried out.
  * @hba: host controller instance
  * @status: notify stage (pre, post change)
@@ -221,8 +225,7 @@
 		return -ENOMEM;
 	ufshcd_set_variant(hba, host);
 
-	if (hba->vops && hba->vops->phy_initialization)
-		status = hba->vops->phy_initialization(hba);
+	status = ufshcd_vops_phy_initialization(hba);
 
 	return status;
 }
@@ -315,11 +318,10 @@
 }
 
 static const struct dev_pm_ops cdns_ufs_dev_pm_ops = {
-	.suspend         = ufshcd_pltfrm_suspend,
-	.resume          = ufshcd_pltfrm_resume,
-	.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
-	.runtime_resume  = ufshcd_pltfrm_runtime_resume,
-	.runtime_idle    = ufshcd_pltfrm_runtime_idle,
+	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
+	.prepare	 = ufshcd_suspend_prepare,
+	.complete	 = ufshcd_resume_complete,
 };
 
 static struct platform_driver cdns_ufs_pltfrm_driver = {
diff --git a/drivers/scsi/ufs/tc-dwc-g210-pci.c b/drivers/scsi/ufs/tc-dwc-g210-pci.c
index 4e47148..7b08e2e 100644
--- a/drivers/scsi/ufs/tc-dwc-g210-pci.c
+++ b/drivers/scsi/ufs/tc-dwc-g210-pci.c
@@ -23,31 +23,6 @@
 module_param(tc_type, int, 0);
 MODULE_PARM_DESC(tc_type, "Test Chip Type (20 = 20-bit, 40 = 40-bit)");
 
-static int tc_dwc_g210_pci_suspend(struct device *dev)
-{
-	return ufshcd_system_suspend(dev_get_drvdata(dev));
-}
-
-static int tc_dwc_g210_pci_resume(struct device *dev)
-{
-	return ufshcd_system_resume(dev_get_drvdata(dev));
-}
-
-static int tc_dwc_g210_pci_runtime_suspend(struct device *dev)
-{
-	return ufshcd_runtime_suspend(dev_get_drvdata(dev));
-}
-
-static int tc_dwc_g210_pci_runtime_resume(struct device *dev)
-{
-	return ufshcd_runtime_resume(dev_get_drvdata(dev));
-}
-
-static int tc_dwc_g210_pci_runtime_idle(struct device *dev)
-{
-	return ufshcd_runtime_idle(dev_get_drvdata(dev));
-}
-
 /*
  * struct ufs_hba_dwc_vops - UFS DWC specific variant operations
  */
@@ -142,11 +117,10 @@
 }
 
 static const struct dev_pm_ops tc_dwc_g210_pci_pm_ops = {
-	.suspend	= tc_dwc_g210_pci_suspend,
-	.resume		= tc_dwc_g210_pci_resume,
-	.runtime_suspend = tc_dwc_g210_pci_runtime_suspend,
-	.runtime_resume  = tc_dwc_g210_pci_runtime_resume,
-	.runtime_idle    = tc_dwc_g210_pci_runtime_idle,
+	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
+	.prepare	 = ufshcd_suspend_prepare,
+	.complete	 = ufshcd_resume_complete,
 };
 
 static const struct pci_device_id tc_dwc_g210_pci_tbl[] = {
diff --git a/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c b/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
index a1268e4f..783ec43 100644
--- a/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
+++ b/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
@@ -84,11 +84,8 @@
 }
 
 static const struct dev_pm_ops tc_dwc_g210_pltfm_pm_ops = {
-	.suspend	= ufshcd_pltfrm_suspend,
-	.resume		= ufshcd_pltfrm_resume,
-	.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
-	.runtime_resume  = ufshcd_pltfrm_runtime_resume,
-	.runtime_idle    = ufshcd_pltfrm_runtime_idle,
+	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
 };
 
 static struct platform_driver tc_dwc_g210_pltfm_driver = {
diff --git a/drivers/scsi/ufs/ufs-debugfs.c b/drivers/scsi/ufs/ufs-debugfs.c
new file mode 100644
index 0000000..4a0bbcf
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-debugfs.c
@@ -0,0 +1,238 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2020 Intel Corporation
+
+#include <linux/debugfs.h>
+
+#include "ufs-debugfs.h"
+#include "ufshcd.h"
+
+static struct dentry *ufs_debugfs_root;
+
+struct ufs_debugfs_attr {
+	const char			*name;
+	mode_t				mode;
+	const struct file_operations	*fops;
+};
+
+/* @file corresponds to a debugfs attribute in directory hba->debugfs_root. */
+static inline struct ufs_hba *hba_from_file(const struct file *file)
+{
+	return d_inode(file->f_path.dentry->d_parent)->i_private;
+}
+
+void __init ufs_debugfs_init(void)
+{
+	ufs_debugfs_root = debugfs_create_dir("ufshcd", NULL);
+}
+
+void ufs_debugfs_exit(void)
+{
+	debugfs_remove_recursive(ufs_debugfs_root);
+}
+
+static int ufs_debugfs_stats_show(struct seq_file *s, void *data)
+{
+	struct ufs_hba *hba = hba_from_file(s->file);
+	struct ufs_event_hist *e = hba->ufs_stats.event;
+
+#define PRT(fmt, typ) \
+	seq_printf(s, fmt, e[UFS_EVT_ ## typ].cnt)
+
+	PRT("PHY Adapter Layer errors (except LINERESET): %llu\n", PA_ERR);
+	PRT("Data Link Layer errors: %llu\n", DL_ERR);
+	PRT("Network Layer errors: %llu\n", NL_ERR);
+	PRT("Transport Layer errors: %llu\n", TL_ERR);
+	PRT("Generic DME errors: %llu\n", DME_ERR);
+	PRT("Auto-hibernate errors: %llu\n", AUTO_HIBERN8_ERR);
+	PRT("IS Fatal errors (CEFES, SBFES, HCFES, DFES): %llu\n", FATAL_ERR);
+	PRT("DME Link Startup errors: %llu\n", LINK_STARTUP_FAIL);
+	PRT("PM Resume errors: %llu\n", RESUME_ERR);
+	PRT("PM Suspend errors : %llu\n", SUSPEND_ERR);
+	PRT("Logical Unit Resets: %llu\n", DEV_RESET);
+	PRT("Host Resets: %llu\n", HOST_RESET);
+	PRT("SCSI command aborts: %llu\n", ABORT);
+#undef PRT
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(ufs_debugfs_stats);
+
+static int ee_usr_mask_get(void *data, u64 *val)
+{
+	struct ufs_hba *hba = data;
+
+	*val = hba->ee_usr_mask;
+	return 0;
+}
+
+static int ufs_debugfs_get_user_access(struct ufs_hba *hba)
+__acquires(&hba->host_sem)
+{
+	down(&hba->host_sem);
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		up(&hba->host_sem);
+		return -EBUSY;
+	}
+	ufshcd_rpm_get_sync(hba);
+	return 0;
+}
+
+static void ufs_debugfs_put_user_access(struct ufs_hba *hba)
+__releases(&hba->host_sem)
+{
+	ufshcd_rpm_put_sync(hba);
+	up(&hba->host_sem);
+}
+
+static int ee_usr_mask_set(void *data, u64 val)
+{
+	struct ufs_hba *hba = data;
+	int err;
+
+	if (val & ~(u64)MASK_EE_STATUS)
+		return -EINVAL;
+	err = ufs_debugfs_get_user_access(hba);
+	if (err)
+		return err;
+	err = ufshcd_update_ee_usr_mask(hba, val, MASK_EE_STATUS);
+	ufs_debugfs_put_user_access(hba);
+	return err;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(ee_usr_mask_fops, ee_usr_mask_get, ee_usr_mask_set, "%#llx\n");
+
+void ufs_debugfs_exception_event(struct ufs_hba *hba, u16 status)
+{
+	bool chgd = false;
+	u16 ee_ctrl_mask;
+	int err = 0;
+
+	if (!hba->debugfs_ee_rate_limit_ms || !status)
+		return;
+
+	mutex_lock(&hba->ee_ctrl_mutex);
+	ee_ctrl_mask = hba->ee_drv_mask | (hba->ee_usr_mask & ~status);
+	chgd = ee_ctrl_mask != hba->ee_ctrl_mask;
+	if (chgd) {
+		err = __ufshcd_write_ee_control(hba, ee_ctrl_mask);
+		if (err)
+			dev_err(hba->dev, "%s: failed to write ee control %d\n",
+				__func__, err);
+	}
+	mutex_unlock(&hba->ee_ctrl_mutex);
+
+	if (chgd && !err) {
+		unsigned long delay = msecs_to_jiffies(hba->debugfs_ee_rate_limit_ms);
+
+		queue_delayed_work(system_freezable_wq, &hba->debugfs_ee_work, delay);
+	}
+}
+
+static void ufs_debugfs_restart_ee(struct work_struct *work)
+{
+	struct ufs_hba *hba = container_of(work, struct ufs_hba, debugfs_ee_work.work);
+
+	if (!hba->ee_usr_mask || pm_runtime_suspended(hba->dev) ||
+	    ufs_debugfs_get_user_access(hba))
+		return;
+	ufshcd_write_ee_control(hba);
+	ufs_debugfs_put_user_access(hba);
+}
+
+static int ufs_saved_err_show(struct seq_file *s, void *data)
+{
+	struct ufs_debugfs_attr *attr = s->private;
+	struct ufs_hba *hba = hba_from_file(s->file);
+	const int *p;
+
+	if (strcmp(attr->name, "saved_err") == 0) {
+		p = &hba->saved_err;
+	} else if (strcmp(attr->name, "saved_uic_err") == 0) {
+		p = &hba->saved_uic_err;
+	} else {
+		return -ENOENT;
+	}
+
+	seq_printf(s, "%d\n", *p);
+	return 0;
+}
+
+static ssize_t ufs_saved_err_write(struct file *file, const char __user *buf,
+				   size_t count, loff_t *ppos)
+{
+	struct ufs_debugfs_attr *attr = file->f_inode->i_private;
+	struct ufs_hba *hba = hba_from_file(file);
+	char val_str[16] = { };
+	int val, ret;
+
+	if (count > sizeof(val_str))
+		return -EINVAL;
+	if (copy_from_user(val_str, buf, count))
+		return -EFAULT;
+	ret = kstrtoint(val_str, 0, &val);
+	if (ret < 0)
+		return ret;
+
+	spin_lock_irq(hba->host->host_lock);
+	if (strcmp(attr->name, "saved_err") == 0) {
+		hba->saved_err = val;
+	} else if (strcmp(attr->name, "saved_uic_err") == 0) {
+		hba->saved_uic_err = val;
+	} else {
+		ret = -ENOENT;
+	}
+	if (ret == 0)
+		ufshcd_schedule_eh_work(hba);
+	spin_unlock_irq(hba->host->host_lock);
+
+	return ret < 0 ? ret : count;
+}
+
+static int ufs_saved_err_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ufs_saved_err_show, inode->i_private);
+}
+
+static const struct file_operations ufs_saved_err_fops = {
+	.owner		= THIS_MODULE,
+	.open		= ufs_saved_err_open,
+	.read		= seq_read,
+	.write		= ufs_saved_err_write,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static const struct ufs_debugfs_attr ufs_attrs[] = {
+	{ "stats", 0400, &ufs_debugfs_stats_fops },
+	{ "saved_err", 0600, &ufs_saved_err_fops },
+	{ "saved_uic_err", 0600, &ufs_saved_err_fops },
+	{ }
+};
+
+void ufs_debugfs_hba_init(struct ufs_hba *hba)
+{
+	const struct ufs_debugfs_attr *attr;
+	struct dentry *root;
+
+	/* Set default exception event rate limit period to 20ms */
+	hba->debugfs_ee_rate_limit_ms = 20;
+	INIT_DELAYED_WORK(&hba->debugfs_ee_work, ufs_debugfs_restart_ee);
+
+	root = debugfs_create_dir(dev_name(hba->dev), ufs_debugfs_root);
+	if (IS_ERR_OR_NULL(root))
+		return;
+	hba->debugfs_root = root;
+	d_inode(root)->i_private = hba;
+	for (attr = ufs_attrs; attr->name; attr++)
+		debugfs_create_file(attr->name, attr->mode, root, (void *)attr,
+				    attr->fops);
+	debugfs_create_file("exception_event_mask", 0600, hba->debugfs_root,
+			    hba, &ee_usr_mask_fops);
+	debugfs_create_u32("exception_event_rate_limit_ms", 0600, hba->debugfs_root,
+			   &hba->debugfs_ee_rate_limit_ms);
+}
+
+void ufs_debugfs_hba_exit(struct ufs_hba *hba)
+{
+	debugfs_remove_recursive(hba->debugfs_root);
+	cancel_delayed_work_sync(&hba->debugfs_ee_work);
+}
diff --git a/drivers/scsi/ufs/ufs-debugfs.h b/drivers/scsi/ufs/ufs-debugfs.h
new file mode 100644
index 0000000..97548a3
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-debugfs.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2020 Intel Corporation
+ */
+
+#ifndef __UFS_DEBUGFS_H__
+#define __UFS_DEBUGFS_H__
+
+struct ufs_hba;
+
+#ifdef CONFIG_DEBUG_FS
+void __init ufs_debugfs_init(void);
+void ufs_debugfs_exit(void);
+void ufs_debugfs_hba_init(struct ufs_hba *hba);
+void ufs_debugfs_hba_exit(struct ufs_hba *hba);
+void ufs_debugfs_exception_event(struct ufs_hba *hba, u16 status);
+#else
+static inline void ufs_debugfs_init(void) {}
+static inline void ufs_debugfs_exit(void) {}
+static inline void ufs_debugfs_hba_init(struct ufs_hba *hba) {}
+static inline void ufs_debugfs_hba_exit(struct ufs_hba *hba) {}
+static inline void ufs_debugfs_exception_event(struct ufs_hba *hba, u16 status) {}
+#endif
+
+#endif
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 0246ea9..474a4a0 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -12,8 +12,10 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/mfd/syscon.h>
 #include <linux/phy/phy.h>
 #include <linux/platform_device.h>
+#include <linux/regmap.h>
 
 #include "ufshcd.h"
 #include "ufshcd-pltfrm.h"
@@ -48,10 +50,11 @@
 #define HCI_ERR_EN_T_LAYER	0x84
 #define HCI_ERR_EN_DME_LAYER	0x88
 #define HCI_CLKSTOP_CTRL	0xB0
+#define REFCLKOUT_STOP		BIT(4)
 #define REFCLK_STOP		BIT(2)
 #define UNIPRO_MCLK_STOP	BIT(1)
 #define UNIPRO_PCLK_STOP	BIT(0)
-#define CLK_STOP_MASK		(REFCLK_STOP |\
+#define CLK_STOP_MASK		(REFCLKOUT_STOP | REFCLK_STOP |\
 				 UNIPRO_MCLK_STOP |\
 				 UNIPRO_PCLK_STOP)
 #define HCI_MISC		0xB4
@@ -74,6 +77,52 @@
 				 UIC_TRANSPORT_NO_CONNECTION_RX |\
 				 UIC_TRANSPORT_BAD_TC)
 
+/* FSYS UFS Shareability */
+#define UFS_WR_SHARABLE		BIT(2)
+#define UFS_RD_SHARABLE		BIT(1)
+#define UFS_SHARABLE		(UFS_WR_SHARABLE | UFS_RD_SHARABLE)
+#define UFS_SHAREABILITY_OFFSET	0x710
+
+/* Multi-host registers */
+#define MHCTRL			0xC4
+#define MHCTRL_EN_VH_MASK	(0xE)
+#define MHCTRL_EN_VH(vh)	(vh << 1)
+#define PH2VH_MBOX		0xD8
+
+#define MH_MSG_MASK		(0xFF)
+
+#define MH_MSG(id, msg)		((id << 8) | (msg & 0xFF))
+#define MH_MSG_PH_READY		0x1
+#define MH_MSG_VH_READY		0x2
+
+#define ALLOW_INQUIRY		BIT(25)
+#define ALLOW_MODE_SELECT	BIT(24)
+#define ALLOW_MODE_SENSE	BIT(23)
+#define ALLOW_PRE_FETCH		GENMASK(22, 21)
+#define ALLOW_READ_CMD_ALL	GENMASK(20, 18)	/* read_6/10/16 */
+#define ALLOW_READ_BUFFER	BIT(17)
+#define ALLOW_READ_CAPACITY	GENMASK(16, 15)
+#define ALLOW_REPORT_LUNS	BIT(14)
+#define ALLOW_REQUEST_SENSE	BIT(13)
+#define ALLOW_SYNCHRONIZE_CACHE	GENMASK(8, 7)
+#define ALLOW_TEST_UNIT_READY	BIT(6)
+#define ALLOW_UNMAP		BIT(5)
+#define ALLOW_VERIFY		BIT(4)
+#define ALLOW_WRITE_CMD_ALL	GENMASK(3, 1)	/* write_6/10/16 */
+
+#define ALLOW_TRANS_VH_DEFAULT	(ALLOW_INQUIRY | ALLOW_MODE_SELECT | \
+				 ALLOW_MODE_SENSE | ALLOW_PRE_FETCH | \
+				 ALLOW_READ_CMD_ALL | ALLOW_READ_BUFFER | \
+				 ALLOW_READ_CAPACITY | ALLOW_REPORT_LUNS | \
+				 ALLOW_REQUEST_SENSE | ALLOW_SYNCHRONIZE_CACHE | \
+				 ALLOW_TEST_UNIT_READY | ALLOW_UNMAP | \
+				 ALLOW_VERIFY | ALLOW_WRITE_CMD_ALL)
+
+#define HCI_MH_ALLOWABLE_TRAN_OF_VH		0x30C
+#define HCI_MH_IID_IN_TASK_TAG			0X308
+
+#define PH_READY_TIMEOUT_MS			(5 * MSEC_PER_SEC)
+
 enum {
 	UNIPRO_L1_5 = 0,/* PHY Adapter */
 	UNIPRO_L2,	/* Data Link */
@@ -107,6 +156,7 @@
 
 #define CNTR_DIV_VAL 40
 
+static struct exynos_ufs_drv_data exynos_ufs_drvs;
 static void exynos_ufs_auto_ctrl_hcc(struct exynos_ufs *ufs, bool en);
 static void exynos_ufs_ctrl_clkstop(struct exynos_ufs *ufs, bool en);
 
@@ -148,6 +198,117 @@
 	return 0;
 }
 
+static int exynosauto_ufs_drv_init(struct device *dev, struct exynos_ufs *ufs)
+{
+	struct exynos_ufs_uic_attr *attr = ufs->drv_data->uic_attr;
+
+	/* IO Coherency setting */
+	if (ufs->sysreg) {
+		return regmap_update_bits(ufs->sysreg,
+					  ufs->shareability_reg_offset,
+					  UFS_SHARABLE, UFS_SHARABLE);
+	}
+
+	attr->tx_dif_p_nsec = 3200000;
+
+	return 0;
+}
+
+static int exynosauto_ufs_post_hce_enable(struct exynos_ufs *ufs)
+{
+	struct ufs_hba *hba = ufs->hba;
+
+	/* Enable Virtual Host #1 */
+	ufshcd_rmwl(hba, MHCTRL_EN_VH_MASK, MHCTRL_EN_VH(1), MHCTRL);
+	/* Default VH Transfer permissions */
+	hci_writel(ufs, ALLOW_TRANS_VH_DEFAULT, HCI_MH_ALLOWABLE_TRAN_OF_VH);
+	/* IID information is replaced in TASKTAG[7:5] instead of IID in UCD */
+	hci_writel(ufs, 0x1, HCI_MH_IID_IN_TASK_TAG);
+
+	return 0;
+}
+
+static int exynosauto_ufs_pre_link(struct exynos_ufs *ufs)
+{
+	struct ufs_hba *hba = ufs->hba;
+	int i;
+	u32 tx_line_reset_period, rx_line_reset_period;
+
+	rx_line_reset_period = (RX_LINE_RESET_TIME * ufs->mclk_rate) / NSEC_PER_MSEC;
+	tx_line_reset_period = (TX_LINE_RESET_TIME * ufs->mclk_rate) / NSEC_PER_MSEC;
+
+	ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x40);
+	for_each_ufs_rx_lane(ufs, i) {
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_CLK_PRD, i),
+			       DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate));
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_CLK_PRD_EN, i), 0x0);
+
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_LINERESET_VALUE2, i),
+			       (rx_line_reset_period >> 16) & 0xFF);
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_LINERESET_VALUE1, i),
+			       (rx_line_reset_period >> 8) & 0xFF);
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_LINERESET_VALUE0, i),
+			       (rx_line_reset_period) & 0xFF);
+
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x2f, i), 0x79);
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x84, i), 0x1);
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x25, i), 0xf6);
+	}
+
+	for_each_ufs_tx_lane(ufs, i) {
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_CLK_PRD, i),
+			       DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate));
+		/* Not to affect VND_TX_LINERESET_PVALUE to VND_TX_CLK_PRD */
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_CLK_PRD_EN, i),
+			       0x02);
+
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_LINERESET_PVALUE2, i),
+			       (tx_line_reset_period >> 16) & 0xFF);
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_LINERESET_PVALUE1, i),
+			       (tx_line_reset_period >> 8) & 0xFF);
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_LINERESET_PVALUE0, i),
+			       (tx_line_reset_period) & 0xFF);
+
+		/* TX PWM Gear Capability / PWM_G1_ONLY */
+		ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x04, i), 0x1);
+	}
+
+	ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x0);
+
+	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0x0);
+
+	ufshcd_dme_set(hba, UIC_ARG_MIB(0xa011), 0x8000);
+
+	return 0;
+}
+
+static int exynosauto_ufs_pre_pwr_change(struct exynos_ufs *ufs,
+					 struct ufs_pa_layer_attr *pwr)
+{
+	struct ufs_hba *hba = ufs->hba;
+
+	/* PACP_PWR_req and delivered to the remote DME */
+	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0), 12000);
+	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1), 32000);
+	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2), 16000);
+
+	return 0;
+}
+
+static int exynosauto_ufs_post_pwr_change(struct exynos_ufs *ufs,
+					  struct ufs_pa_layer_attr *pwr)
+{
+	struct ufs_hba *hba = ufs->hba;
+	u32 enabled_vh;
+
+	enabled_vh = ufshcd_readl(hba, MHCTRL) & MHCTRL_EN_VH_MASK;
+
+	/* Send physical host ready message to virtual hosts */
+	ufshcd_writel(hba, MH_MSG(enabled_vh, MH_MSG_PH_READY), PH2VH_MBOX);
+
+	return 0;
+}
+
 static int exynos7_ufs_pre_link(struct exynos_ufs *ufs)
 {
 	struct ufs_hba *hba = ufs->hba;
@@ -617,20 +778,7 @@
 		goto out;
 	}
 
-
-	ufs_exynos_cap.tx_lanes = UFS_EXYNOS_LIMIT_NUM_LANES_TX;
-	ufs_exynos_cap.rx_lanes = UFS_EXYNOS_LIMIT_NUM_LANES_RX;
-	ufs_exynos_cap.hs_rx_gear = UFS_EXYNOS_LIMIT_HSGEAR_RX;
-	ufs_exynos_cap.hs_tx_gear = UFS_EXYNOS_LIMIT_HSGEAR_TX;
-	ufs_exynos_cap.pwm_rx_gear = UFS_EXYNOS_LIMIT_PWMGEAR_RX;
-	ufs_exynos_cap.pwm_tx_gear = UFS_EXYNOS_LIMIT_PWMGEAR_TX;
-	ufs_exynos_cap.rx_pwr_pwm = UFS_EXYNOS_LIMIT_RX_PWR_PWM;
-	ufs_exynos_cap.tx_pwr_pwm = UFS_EXYNOS_LIMIT_TX_PWR_PWM;
-	ufs_exynos_cap.rx_pwr_hs = UFS_EXYNOS_LIMIT_RX_PWR_HS;
-	ufs_exynos_cap.tx_pwr_hs = UFS_EXYNOS_LIMIT_TX_PWR_HS;
-	ufs_exynos_cap.hs_rate = UFS_EXYNOS_LIMIT_HS_RATE;
-	ufs_exynos_cap.desired_working_mode =
-				UFS_EXYNOS_LIMIT_DESIRED_MODE;
+	ufshcd_init_pwr_dev_param(&ufs_exynos_cap);
 
 	ret = ufshcd_get_pwr_dev_param(&ufs_exynos_cap,
 				       dev_max_params, dev_req_params);
@@ -665,7 +813,6 @@
 
 #define PWR_MODE_STR_LEN	64
 static int exynos_ufs_post_pwr_mode(struct ufs_hba *hba,
-				struct ufs_pa_layer_attr *pwr_max,
 				struct ufs_pa_layer_attr *pwr_req)
 {
 	struct exynos_ufs *ufs = ufshcd_get_variant(hba);
@@ -706,14 +853,14 @@
 }
 
 static void exynos_ufs_specify_nexus_t_xfer_req(struct ufs_hba *hba,
-						int tag, bool op)
+						int tag, bool is_scsi_cmd)
 {
 	struct exynos_ufs *ufs = ufshcd_get_variant(hba);
 	u32 type;
 
 	type =  hci_readl(ufs, HCI_UTRL_NEXUS_TYPE);
 
-	if (op)
+	if (is_scsi_cmd)
 		hci_writel(ufs, type | (1 << tag), HCI_UTRL_NEXUS_TYPE);
 	else
 		hci_writel(ufs, type & ~(1 << tag), HCI_UTRL_NEXUS_TYPE);
@@ -806,6 +953,27 @@
 	}
 }
 
+static int exynos_ufs_setup_clocks(struct ufs_hba *hba, bool on,
+				   enum ufs_notify_change_status status)
+{
+	struct exynos_ufs *ufs = ufshcd_get_variant(hba);
+
+	if (!ufs)
+		return 0;
+
+	if (on && status == PRE_CHANGE) {
+		if (ufs->opts & EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL)
+			exynos_ufs_disable_auto_ctrl_hcc(ufs);
+		exynos_ufs_ungate_clks(ufs);
+	} else if (!on && status == POST_CHANGE) {
+		exynos_ufs_gate_clks(ufs);
+		if (ufs->opts & EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL)
+			exynos_ufs_enable_auto_ctrl_hcc(ufs);
+	}
+
+	return 0;
+}
+
 static int exynos_ufs_pre_link(struct ufs_hba *hba)
 {
 	struct exynos_ufs *ufs = ufshcd_get_variant(hba);
@@ -821,8 +989,12 @@
 
 	/* m-phy */
 	exynos_ufs_phy_init(ufs);
-	exynos_ufs_config_phy_time_attr(ufs);
-	exynos_ufs_config_phy_cap_attr(ufs);
+	if (!(ufs->opts & EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR)) {
+		exynos_ufs_config_phy_time_attr(ufs);
+		exynos_ufs_config_phy_cap_attr(ufs);
+	}
+
+	exynos_ufs_setup_clocks(hba, true, PRE_CHANGE);
 
 	if (ufs->drv_data->pre_link)
 		ufs->drv_data->pre_link(ufs);
@@ -906,17 +1078,10 @@
 static int exynos_ufs_parse_dt(struct device *dev, struct exynos_ufs *ufs)
 {
 	struct device_node *np = dev->of_node;
-	struct exynos_ufs_drv_data *drv_data = &exynos_ufs_drvs;
 	struct exynos_ufs_uic_attr *attr;
 	int ret = 0;
 
-	while (drv_data->compatible) {
-		if (of_device_is_compatible(np, drv_data->compatible)) {
-			ufs->drv_data = drv_data;
-			break;
-		}
-		drv_data++;
-	}
+	ufs->drv_data = device_get_match_data(dev);
 
 	if (ufs->drv_data && ufs->drv_data->uic_attr) {
 		attr = ufs->drv_data->uic_attr;
@@ -926,6 +1091,17 @@
 		goto out;
 	}
 
+	ufs->sysreg = syscon_regmap_lookup_by_phandle(np, "samsung,sysreg");
+	if (IS_ERR(ufs->sysreg))
+		ufs->sysreg = NULL;
+	else {
+		if (of_property_read_u32_index(np, "samsung,sysreg", 1,
+					       &ufs->shareability_reg_offset)) {
+			dev_warn(dev, "can't get an offset from sysreg. Set to default value\n");
+			ufs->shareability_reg_offset = UFS_SHAREABILITY_OFFSET;
+		}
+	}
+
 	ufs->pclk_avail_min = PCLK_AVAIL_MIN;
 	ufs->pclk_avail_max = PCLK_AVAIL_MAX;
 
@@ -940,6 +1116,18 @@
 	return ret;
 }
 
+static inline void exynos_ufs_priv_init(struct ufs_hba *hba,
+					struct exynos_ufs *ufs)
+{
+	ufs->hba = hba;
+	ufs->opts = ufs->drv_data->opts;
+	ufs->rx_sel_idx = PA_MAXDATALANES;
+	if (ufs->opts & EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX)
+		ufs->rx_sel_idx = 0;
+	hba->priv = (void *)ufs;
+	hba->quirks = ufs->drv_data->quirks;
+}
+
 static int exynos_ufs_init(struct ufs_hba *hba)
 {
 	struct device *dev = hba->dev;
@@ -989,13 +1177,8 @@
 	if (ret)
 		goto phy_off;
 
-	ufs->hba = hba;
-	ufs->opts = ufs->drv_data->opts;
-	ufs->rx_sel_idx = PA_MAXDATALANES;
-	if (ufs->opts & EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX)
-		ufs->rx_sel_idx = 0;
-	hba->priv = (void *)ufs;
-	hba->quirks = ufs->drv_data->quirks;
+	exynos_ufs_priv_init(hba, ufs);
+
 	if (ufs->drv_data->drv_init) {
 		ret = ufs->drv_data->drv_init(dev, ufs);
 		if (ret) {
@@ -1062,7 +1245,7 @@
 		exynos_ufs_ungate_clks(ufs);
 
 		if (ufs->opts & EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER) {
-			const unsigned int granularity_tbl[] = {
+			static const unsigned int granularity_tbl[] = {
 				1, 4, 8, 16, 32, 100
 			};
 			int h8_time = attr->pa_hibern8time *
@@ -1123,6 +1306,12 @@
 
 	switch (status) {
 	case PRE_CHANGE:
+		if (ufs->drv_data->pre_hce_enable) {
+			ret = ufs->drv_data->pre_hce_enable(ufs);
+			if (ret)
+				return ret;
+		}
+
 		ret = exynos_ufs_host_reset(hba);
 		if (ret)
 			return ret;
@@ -1132,6 +1321,10 @@
 		exynos_ufs_calc_pwm_clk_div(ufs);
 		if (!(ufs->opts & EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL))
 			exynos_ufs_enable_auto_ctrl_hcc(ufs);
+
+		if (ufs->drv_data->post_hce_enable)
+			ret = ufs->drv_data->post_hce_enable(ufs);
+
 		break;
 	}
 
@@ -1168,7 +1361,7 @@
 					      dev_req_params);
 		break;
 	case POST_CHANGE:
-		ret = exynos_ufs_post_pwr_mode(hba, NULL, dev_req_params);
+		ret = exynos_ufs_post_pwr_mode(hba, dev_req_params);
 		break;
 	}
 
@@ -1189,10 +1382,14 @@
 	}
 }
 
-static int exynos_ufs_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
+static int exynos_ufs_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op,
+	enum ufs_notify_change_status status)
 {
 	struct exynos_ufs *ufs = ufshcd_get_variant(hba);
 
+	if (status == PRE_CHANGE)
+		return 0;
+
 	if (!ufshcd_is_link_active(hba))
 		phy_power_off(ufs->phy);
 
@@ -1211,12 +1408,77 @@
 	return 0;
 }
 
+static int exynosauto_ufs_vh_link_startup_notify(struct ufs_hba *hba,
+						 enum ufs_notify_change_status status)
+{
+	if (status == POST_CHANGE) {
+		ufshcd_set_link_active(hba);
+		ufshcd_set_ufs_dev_active(hba);
+	}
+
+	return 0;
+}
+
+static int exynosauto_ufs_vh_wait_ph_ready(struct ufs_hba *hba)
+{
+	u32 mbox;
+	ktime_t start, stop;
+
+	start = ktime_get();
+	stop = ktime_add(start, ms_to_ktime(PH_READY_TIMEOUT_MS));
+
+	do {
+		mbox = ufshcd_readl(hba, PH2VH_MBOX);
+		/* TODO: Mailbox message protocols between the PH and VHs are
+		 * not implemented yet. This will be supported later
+		 */
+		if ((mbox & MH_MSG_MASK) == MH_MSG_PH_READY)
+			return 0;
+
+		usleep_range(40, 50);
+	} while (ktime_before(ktime_get(), stop));
+
+	return -ETIME;
+}
+
+static int exynosauto_ufs_vh_init(struct ufs_hba *hba)
+{
+	struct device *dev = hba->dev;
+	struct platform_device *pdev = to_platform_device(dev);
+	struct exynos_ufs *ufs;
+	int ret;
+
+	ufs = devm_kzalloc(dev, sizeof(*ufs), GFP_KERNEL);
+	if (!ufs)
+		return -ENOMEM;
+
+	/* exynos-specific hci */
+	ufs->reg_hci = devm_platform_ioremap_resource_byname(pdev, "vs_hci");
+	if (IS_ERR(ufs->reg_hci)) {
+		dev_err(dev, "cannot ioremap for hci vendor register\n");
+		return PTR_ERR(ufs->reg_hci);
+	}
+
+	ret = exynosauto_ufs_vh_wait_ph_ready(hba);
+	if (ret)
+		return ret;
+
+	ufs->drv_data = device_get_match_data(dev);
+	if (!ufs->drv_data)
+		return -ENODEV;
+
+	exynos_ufs_priv_init(hba, ufs);
+
+	return 0;
+}
+
 static struct ufs_hba_variant_ops ufs_hba_exynos_ops = {
 	.name				= "exynos_ufs",
 	.init				= exynos_ufs_init,
 	.hce_enable_notify		= exynos_ufs_hce_enable_notify,
 	.link_startup_notify		= exynos_ufs_link_startup_notify,
 	.pwr_change_notify		= exynos_ufs_pwr_change_notify,
+	.setup_clocks			= exynos_ufs_setup_clocks,
 	.setup_xfer_req			= exynos_ufs_specify_nexus_t_xfer_req,
 	.setup_task_mgmt		= exynos_ufs_specify_nexus_t_tm_req,
 	.hibern8_notify			= exynos_ufs_hibern8_notify,
@@ -1224,12 +1486,24 @@
 	.resume				= exynos_ufs_resume,
 };
 
+static struct ufs_hba_variant_ops ufs_hba_exynosauto_vh_ops = {
+	.name				= "exynosauto_ufs_vh",
+	.init				= exynosauto_ufs_vh_init,
+	.link_startup_notify		= exynosauto_ufs_vh_link_startup_notify,
+};
+
 static int exynos_ufs_probe(struct platform_device *pdev)
 {
 	int err;
 	struct device *dev = &pdev->dev;
+	const struct ufs_hba_variant_ops *vops = &ufs_hba_exynos_ops;
+	const struct exynos_ufs_drv_data *drv_data =
+		device_get_match_data(dev);
 
-	err = ufshcd_pltfrm_init(pdev, &ufs_hba_exynos_ops);
+	if (drv_data && drv_data->vops)
+		vops = drv_data->vops;
+
+	err = ufshcd_pltfrm_init(pdev, vops);
 	if (err)
 		dev_err(dev, "ufshcd_pltfrm_init() failed %d\n", err);
 
@@ -1245,9 +1519,60 @@
 	return 0;
 }
 
-struct exynos_ufs_drv_data exynos_ufs_drvs = {
+static struct exynos_ufs_uic_attr exynos7_uic_attr = {
+	.tx_trailingclks		= 0x10,
+	.tx_dif_p_nsec			= 3000000,	/* unit: ns */
+	.tx_dif_n_nsec			= 1000000,	/* unit: ns */
+	.tx_high_z_cnt_nsec		= 20000,	/* unit: ns */
+	.tx_base_unit_nsec		= 100000,	/* unit: ns */
+	.tx_gran_unit_nsec		= 4000,		/* unit: ns */
+	.tx_sleep_cnt			= 1000,		/* unit: ns */
+	.tx_min_activatetime		= 0xa,
+	.rx_filler_enable		= 0x2,
+	.rx_dif_p_nsec			= 1000000,	/* unit: ns */
+	.rx_hibern8_wait_nsec		= 4000000,	/* unit: ns */
+	.rx_base_unit_nsec		= 100000,	/* unit: ns */
+	.rx_gran_unit_nsec		= 4000,		/* unit: ns */
+	.rx_sleep_cnt			= 1280,		/* unit: ns */
+	.rx_stall_cnt			= 320,		/* unit: ns */
+	.rx_hs_g1_sync_len_cap		= SYNC_LEN_COARSE(0xf),
+	.rx_hs_g2_sync_len_cap		= SYNC_LEN_COARSE(0xf),
+	.rx_hs_g3_sync_len_cap		= SYNC_LEN_COARSE(0xf),
+	.rx_hs_g1_prep_sync_len_cap	= PREP_LEN(0xf),
+	.rx_hs_g2_prep_sync_len_cap	= PREP_LEN(0xf),
+	.rx_hs_g3_prep_sync_len_cap	= PREP_LEN(0xf),
+	.pa_dbg_option_suite		= 0x30103,
+};
 
-	.compatible		= "samsung,exynos7-ufs",
+static struct exynos_ufs_drv_data exynosauto_ufs_drvs = {
+	.uic_attr		= &exynos7_uic_attr,
+	.quirks			= UFSHCD_QUIRK_PRDT_BYTE_GRAN |
+				  UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR |
+				  UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR |
+				  UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING,
+	.opts			= EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL |
+				  EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR |
+				  EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX,
+	.drv_init		= exynosauto_ufs_drv_init,
+	.post_hce_enable	= exynosauto_ufs_post_hce_enable,
+	.pre_link		= exynosauto_ufs_pre_link,
+	.pre_pwr_change		= exynosauto_ufs_pre_pwr_change,
+	.post_pwr_change	= exynosauto_ufs_post_pwr_change,
+};
+
+static struct exynos_ufs_drv_data exynosauto_ufs_vh_drvs = {
+	.vops			= &ufs_hba_exynosauto_vh_ops,
+	.quirks			= UFSHCD_QUIRK_PRDT_BYTE_GRAN |
+				  UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR |
+				  UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR |
+				  UFSHCI_QUIRK_BROKEN_HCE |
+				  UFSHCD_QUIRK_BROKEN_UIC_CMD |
+				  UFSHCD_QUIRK_SKIP_PH_CONFIGURATION |
+				  UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING,
+	.opts			= EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX,
+};
+
+static struct exynos_ufs_drv_data exynos_ufs_drvs = {
 	.uic_attr		= &exynos7_uic_attr,
 	.quirks			= UFSHCD_QUIRK_PRDT_BYTE_GRAN |
 				  UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR |
@@ -1272,15 +1597,18 @@
 static const struct of_device_id exynos_ufs_of_match[] = {
 	{ .compatible = "samsung,exynos7-ufs",
 	  .data	      = &exynos_ufs_drvs },
+	{ .compatible = "samsung,exynosautov9-ufs",
+	  .data	      = &exynosauto_ufs_drvs },
+	{ .compatible = "samsung,exynosautov9-ufs-vh",
+	  .data	      = &exynosauto_ufs_vh_drvs },
 	{},
 };
 
 static const struct dev_pm_ops exynos_ufs_pm_ops = {
-	.suspend	= ufshcd_pltfrm_suspend,
-	.resume		= ufshcd_pltfrm_resume,
-	.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
-	.runtime_resume  = ufshcd_pltfrm_runtime_resume,
-	.runtime_idle    = ufshcd_pltfrm_runtime_idle,
+	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
+	.prepare	 = ufshcd_suspend_prepare,
+	.complete	 = ufshcd_resume_complete,
 };
 
 static struct platform_driver exynos_ufs_pltform = {
diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h
index 541b577..1c33e54 100644
--- a/drivers/scsi/ufs/ufs-exynos.h
+++ b/drivers/scsi/ufs/ufs-exynos.h
@@ -56,6 +56,22 @@
 #define TX_GRAN_NVAL_10_08	0x0296
 #define TX_GRAN_NVAL_H(v)	(((v) >> 8) & 0x3)
 
+#define VND_TX_CLK_PRD		0xAA
+#define VND_TX_CLK_PRD_EN	0xA9
+#define VND_TX_LINERESET_PVALUE0	0xAD
+#define VND_TX_LINERESET_PVALUE1	0xAC
+#define VND_TX_LINERESET_PVALUE2	0xAB
+
+#define TX_LINE_RESET_TIME	3200
+
+#define VND_RX_CLK_PRD		0x12
+#define VND_RX_CLK_PRD_EN	0x11
+#define VND_RX_LINERESET_VALUE0	0x1D
+#define VND_RX_LINERESET_VALUE1	0x1C
+#define VND_RX_LINERESET_VALUE2	0x1B
+
+#define RX_LINE_RESET_TIME	1000
+
 #define RX_FILLER_ENABLE	0x0316
 #define RX_FILLER_EN		(1 << 1)
 #define RX_LINERESET_VAL	0x0317
@@ -90,19 +106,6 @@
 #define SLOW 1
 #define FAST 2
 
-#define UFS_EXYNOS_LIMIT_NUM_LANES_RX	2
-#define UFS_EXYNOS_LIMIT_NUM_LANES_TX	2
-#define UFS_EXYNOS_LIMIT_HSGEAR_RX	UFS_HS_G3
-#define UFS_EXYNOS_LIMIT_HSGEAR_TX	UFS_HS_G3
-#define UFS_EXYNOS_LIMIT_PWMGEAR_RX	UFS_PWM_G4
-#define UFS_EXYNOS_LIMIT_PWMGEAR_TX	UFS_PWM_G4
-#define UFS_EXYNOS_LIMIT_RX_PWR_PWM	SLOW_MODE
-#define UFS_EXYNOS_LIMIT_TX_PWR_PWM	SLOW_MODE
-#define UFS_EXYNOS_LIMIT_RX_PWR_HS	FAST_MODE
-#define UFS_EXYNOS_LIMIT_TX_PWR_HS	FAST_MODE
-#define UFS_EXYNOS_LIMIT_HS_RATE		PA_HS_MODE_B
-#define UFS_EXYNOS_LIMIT_DESIRED_MODE	FAST
-
 #define RX_ADV_FINE_GRAN_SUP_EN	0x1
 #define RX_ADV_FINE_GRAN_STEP_VAL	0x3
 #define RX_ADV_MIN_ACTV_TIME_CAP	0x9
@@ -112,7 +115,7 @@
 #define PA_HIBERN8TIME_VAL	0x20
 
 #define PCLK_AVAIL_MIN	70000000
-#define PCLK_AVAIL_MAX	133000000
+#define PCLK_AVAIL_MAX	167000000
 
 struct exynos_ufs_uic_attr {
 	/* TX Attributes */
@@ -155,7 +158,7 @@
 };
 
 struct exynos_ufs_drv_data {
-	char *compatible;
+	const struct ufs_hba_variant_ops *vops;
 	struct exynos_ufs_uic_attr *uic_attr;
 	unsigned int quirks;
 	unsigned int opts;
@@ -167,6 +170,8 @@
 				struct ufs_pa_layer_attr *pwr);
 	int (*post_pwr_change)(struct exynos_ufs *ufs,
 				struct ufs_pa_layer_attr *pwr);
+	int (*pre_hce_enable)(struct exynos_ufs *ufs);
+	int (*post_hce_enable)(struct exynos_ufs *ufs);
 };
 
 struct ufs_phy_time_cfg {
@@ -204,7 +209,9 @@
 	struct ufs_pa_layer_attr dev_req_params;
 	struct ufs_phy_time_cfg t_cfg;
 	ktime_t entry_hibern8_t;
-	struct exynos_ufs_drv_data *drv_data;
+	const struct exynos_ufs_drv_data *drv_data;
+	struct regmap *sysreg;
+	u32 shareability_reg_offset;
 
 	u32 opts;
 #define EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL		BIT(0)
@@ -212,6 +219,7 @@
 #define EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL	BIT(2)
 #define EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX	BIT(3)
 #define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER	BIT(4)
+#define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR	BIT(5)
 };
 
 #define for_each_ufs_rx_lane(ufs, i) \
@@ -258,30 +266,4 @@
 	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_MODE), FALSE);
 }
 
-struct exynos_ufs_drv_data exynos_ufs_drvs;
-
-struct exynos_ufs_uic_attr exynos7_uic_attr = {
-	.tx_trailingclks		= 0x10,
-	.tx_dif_p_nsec			= 3000000,	/* unit: ns */
-	.tx_dif_n_nsec			= 1000000,	/* unit: ns */
-	.tx_high_z_cnt_nsec		= 20000,	/* unit: ns */
-	.tx_base_unit_nsec		= 100000,	/* unit: ns */
-	.tx_gran_unit_nsec		= 4000,		/* unit: ns */
-	.tx_sleep_cnt			= 1000,		/* unit: ns */
-	.tx_min_activatetime		= 0xa,
-	.rx_filler_enable		= 0x2,
-	.rx_dif_p_nsec			= 1000000,	/* unit: ns */
-	.rx_hibern8_wait_nsec		= 4000000,	/* unit: ns */
-	.rx_base_unit_nsec		= 100000,	/* unit: ns */
-	.rx_gran_unit_nsec		= 4000,		/* unit: ns */
-	.rx_sleep_cnt			= 1280,		/* unit: ns */
-	.rx_stall_cnt			= 320,		/* unit: ns */
-	.rx_hs_g1_sync_len_cap		= SYNC_LEN_COARSE(0xf),
-	.rx_hs_g2_sync_len_cap		= SYNC_LEN_COARSE(0xf),
-	.rx_hs_g3_sync_len_cap		= SYNC_LEN_COARSE(0xf),
-	.rx_hs_g1_prep_sync_len_cap	= PREP_LEN(0xf),
-	.rx_hs_g2_prep_sync_len_cap	= PREP_LEN(0xf),
-	.rx_hs_g3_prep_sync_len_cap	= PREP_LEN(0xf),
-	.pa_dbg_option_suite		= 0x30103,
-};
 #endif /* _UFS_EXYNOS_H_ */
diff --git a/drivers/scsi/ufs/ufs-fault-injection.c b/drivers/scsi/ufs/ufs-fault-injection.c
new file mode 100644
index 0000000..7ac7c4e
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-fault-injection.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <linux/kconfig.h>
+#include <linux/types.h>
+#include <linux/fault-inject.h>
+#include <linux/module.h>
+#include "ufs-fault-injection.h"
+
+static int ufs_fault_get(char *buffer, const struct kernel_param *kp);
+static int ufs_fault_set(const char *val, const struct kernel_param *kp);
+
+static const struct kernel_param_ops ufs_fault_ops = {
+	.get = ufs_fault_get,
+	.set = ufs_fault_set,
+};
+
+enum { FAULT_INJ_STR_SIZE = 80 };
+
+/*
+ * For more details about fault injection, please refer to
+ * Documentation/fault-injection/fault-injection.rst.
+ */
+static char g_trigger_eh_str[FAULT_INJ_STR_SIZE];
+module_param_cb(trigger_eh, &ufs_fault_ops, g_trigger_eh_str, 0644);
+MODULE_PARM_DESC(trigger_eh,
+	"Fault injection. trigger_eh=<interval>,<probability>,<space>,<times>");
+static DECLARE_FAULT_ATTR(ufs_trigger_eh_attr);
+
+static char g_timeout_str[FAULT_INJ_STR_SIZE];
+module_param_cb(timeout, &ufs_fault_ops, g_timeout_str, 0644);
+MODULE_PARM_DESC(timeout,
+	"Fault injection. timeout=<interval>,<probability>,<space>,<times>");
+static DECLARE_FAULT_ATTR(ufs_timeout_attr);
+
+static int ufs_fault_get(char *buffer, const struct kernel_param *kp)
+{
+	const char *fault_str = kp->arg;
+
+	return sysfs_emit(buffer, "%s\n", fault_str);
+}
+
+static int ufs_fault_set(const char *val, const struct kernel_param *kp)
+{
+	struct fault_attr *attr = NULL;
+
+	if (kp->arg == g_trigger_eh_str)
+		attr = &ufs_trigger_eh_attr;
+	else if (kp->arg == g_timeout_str)
+		attr = &ufs_timeout_attr;
+
+	if (WARN_ON_ONCE(!attr))
+		return -EINVAL;
+
+	if (!setup_fault_attr(attr, (char *)val))
+		return -EINVAL;
+
+	strlcpy(kp->arg, val, FAULT_INJ_STR_SIZE);
+
+	return 0;
+}
+
+bool ufs_trigger_eh(void)
+{
+	return should_fail(&ufs_trigger_eh_attr, 1);
+}
+
+bool ufs_fail_completion(void)
+{
+	return should_fail(&ufs_timeout_attr, 1);
+}
diff --git a/drivers/scsi/ufs/ufs-fault-injection.h b/drivers/scsi/ufs/ufs-fault-injection.h
new file mode 100644
index 0000000..6d0cd8e
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-fault-injection.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _UFS_FAULT_INJECTION_H
+#define _UFS_FAULT_INJECTION_H
+
+#include <linux/kconfig.h>
+#include <linux/types.h>
+
+#ifdef CONFIG_SCSI_UFS_FAULT_INJECTION
+bool ufs_trigger_eh(void);
+bool ufs_fail_completion(void);
+#else
+static inline bool ufs_trigger_eh(void)
+{
+	return false;
+}
+
+static inline bool ufs_fail_completion(void)
+{
+	return false;
+}
+#endif
+
+#endif /* _UFS_FAULT_INJECTION_H */
diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c
index 55b7161..ab1a7eb 100644
--- a/drivers/scsi/ufs/ufs-hisi.c
+++ b/drivers/scsi/ufs/ufs-hisi.c
@@ -293,18 +293,7 @@
 
 static void ufs_hisi_set_dev_cap(struct ufs_dev_params *hisi_param)
 {
-	hisi_param->rx_lanes = UFS_HISI_LIMIT_NUM_LANES_RX;
-	hisi_param->tx_lanes = UFS_HISI_LIMIT_NUM_LANES_TX;
-	hisi_param->hs_rx_gear = UFS_HISI_LIMIT_HSGEAR_RX;
-	hisi_param->hs_tx_gear = UFS_HISI_LIMIT_HSGEAR_TX;
-	hisi_param->pwm_rx_gear = UFS_HISI_LIMIT_PWMGEAR_RX;
-	hisi_param->pwm_tx_gear = UFS_HISI_LIMIT_PWMGEAR_TX;
-	hisi_param->rx_pwr_pwm = UFS_HISI_LIMIT_RX_PWR_PWM;
-	hisi_param->tx_pwr_pwm = UFS_HISI_LIMIT_TX_PWR_PWM;
-	hisi_param->rx_pwr_hs = UFS_HISI_LIMIT_RX_PWR_HS;
-	hisi_param->tx_pwr_hs = UFS_HISI_LIMIT_TX_PWR_HS;
-	hisi_param->hs_rate = UFS_HISI_LIMIT_HS_RATE;
-	hisi_param->desired_working_mode = UFS_HISI_LIMIT_DESIRED_MODE;
+	ufshcd_init_pwr_dev_param(hisi_param);
 }
 
 static void ufs_hisi_pwr_change_pre_change(struct ufs_hba *hba)
@@ -407,11 +396,21 @@
 	return ret;
 }
 
-static int ufs_hisi_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
+static int ufs_hisi_suspend_prepare(struct device *dev)
+{
+	/* RPM and SPM are different. Refer ufs_hisi_suspend() */
+	return __ufshcd_suspend_prepare(dev, false);
+}
+
+static int ufs_hisi_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op,
+	enum ufs_notify_change_status status)
 {
 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
 
-	if (ufshcd_is_runtime_pm(pm_op))
+	if (status == PRE_CHANGE)
+		return 0;
+
+	if (pm_op == UFS_RUNTIME_PM)
 		return 0;
 
 	if (host->in_suspend) {
@@ -583,11 +582,10 @@
 }
 
 static const struct dev_pm_ops ufs_hisi_pm_ops = {
-	.suspend	= ufshcd_pltfrm_suspend,
-	.resume		= ufshcd_pltfrm_resume,
-	.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
-	.runtime_resume  = ufshcd_pltfrm_runtime_resume,
-	.runtime_idle    = ufshcd_pltfrm_runtime_idle,
+	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
+	.prepare	 = ufs_hisi_suspend_prepare,
+	.complete	 = ufshcd_resume_complete,
 };
 
 static struct platform_driver ufs_hisi_pltform = {
diff --git a/drivers/scsi/ufs/ufs-hisi.h b/drivers/scsi/ufs/ufs-hisi.h
index 3231d3d..5a90c0f 100644
--- a/drivers/scsi/ufs/ufs-hisi.h
+++ b/drivers/scsi/ufs/ufs-hisi.h
@@ -76,19 +76,6 @@
 #define SLOW	1
 #define FAST	2
 
-#define UFS_HISI_LIMIT_NUM_LANES_RX	2
-#define UFS_HISI_LIMIT_NUM_LANES_TX	2
-#define UFS_HISI_LIMIT_HSGEAR_RX	UFS_HS_G3
-#define UFS_HISI_LIMIT_HSGEAR_TX	UFS_HS_G3
-#define UFS_HISI_LIMIT_PWMGEAR_RX	UFS_PWM_G4
-#define UFS_HISI_LIMIT_PWMGEAR_TX	UFS_PWM_G4
-#define UFS_HISI_LIMIT_RX_PWR_PWM	SLOW_MODE
-#define UFS_HISI_LIMIT_TX_PWR_PWM	SLOW_MODE
-#define UFS_HISI_LIMIT_RX_PWR_HS	FAST_MODE
-#define UFS_HISI_LIMIT_TX_PWR_HS	FAST_MODE
-#define UFS_HISI_LIMIT_HS_RATE	PA_HS_MODE_B
-#define UFS_HISI_LIMIT_DESIRED_MODE	FAST
-
 #define UFS_HISI_CAP_RESERVED		BIT(0)
 #define UFS_HISI_CAP_PHY10nm		BIT(1)
 
diff --git a/drivers/scsi/ufs/ufs-hwmon.c b/drivers/scsi/ufs/ufs-hwmon.c
new file mode 100644
index 0000000..7485549
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-hwmon.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * UFS hardware monitoring support
+ * Copyright (c) 2021, Western Digital Corporation
+ */
+
+#include <linux/hwmon.h>
+#include <linux/units.h>
+
+#include "ufshcd.h"
+
+struct ufs_hwmon_data {
+	struct ufs_hba *hba;
+	u8 mask;
+};
+
+static int ufs_read_temp_enable(struct ufs_hba *hba, u8 mask, long *val)
+{
+	u32 ee_mask;
+	int err;
+
+	err = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, QUERY_ATTR_IDN_EE_CONTROL, 0, 0,
+				&ee_mask);
+	if (err)
+		return err;
+
+	*val = (mask & ee_mask & MASK_EE_TOO_HIGH_TEMP) || (mask & ee_mask & MASK_EE_TOO_LOW_TEMP);
+
+	return 0;
+}
+
+static int ufs_get_temp(struct ufs_hba *hba, enum attr_idn idn, long *val)
+{
+	u32 value;
+	int err;
+
+	err = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, idn, 0, 0, &value);
+	if (err)
+		return err;
+
+	if (value == 0)
+		return -ENODATA;
+
+	*val = ((long)value - 80) * MILLIDEGREE_PER_DEGREE;
+
+	return 0;
+}
+
+static int ufs_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel,
+			  long *val)
+{
+	struct ufs_hwmon_data *data = dev_get_drvdata(dev);
+	struct ufs_hba *hba = data->hba;
+	int err;
+
+	down(&hba->host_sem);
+
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		up(&hba->host_sem);
+		return -EBUSY;
+	}
+
+	ufshcd_rpm_get_sync(hba);
+
+	switch (attr) {
+	case hwmon_temp_enable:
+		err = ufs_read_temp_enable(hba, data->mask, val);
+
+		break;
+	case hwmon_temp_crit:
+		err = ufs_get_temp(hba, QUERY_ATTR_IDN_HIGH_TEMP_BOUND, val);
+
+		break;
+	case hwmon_temp_lcrit:
+		err = ufs_get_temp(hba, QUERY_ATTR_IDN_LOW_TEMP_BOUND, val);
+
+		break;
+	case hwmon_temp_input:
+		err = ufs_get_temp(hba, QUERY_ATTR_IDN_CASE_ROUGH_TEMP, val);
+
+		break;
+	default:
+		err = -EOPNOTSUPP;
+
+		break;
+	}
+
+	ufshcd_rpm_put_sync(hba);
+
+	up(&hba->host_sem);
+
+	return err;
+}
+
+static int ufs_hwmon_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel,
+			   long val)
+{
+	struct ufs_hwmon_data *data = dev_get_drvdata(dev);
+	struct ufs_hba *hba = data->hba;
+	int err;
+
+	if (attr != hwmon_temp_enable)
+		return -EINVAL;
+
+	if (val != 0 && val != 1)
+		return -EINVAL;
+
+	down(&hba->host_sem);
+
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		up(&hba->host_sem);
+		return -EBUSY;
+	}
+
+	ufshcd_rpm_get_sync(hba);
+
+	if (val == 1)
+		err = ufshcd_update_ee_usr_mask(hba, MASK_EE_URGENT_TEMP, 0);
+	else
+		err = ufshcd_update_ee_usr_mask(hba, 0, MASK_EE_URGENT_TEMP);
+
+	ufshcd_rpm_put_sync(hba);
+
+	up(&hba->host_sem);
+
+	return err;
+}
+
+static umode_t ufs_hwmon_is_visible(const void *_data, enum hwmon_sensor_types type, u32 attr,
+				    int channel)
+{
+	if (type != hwmon_temp)
+		return 0;
+
+	switch (attr) {
+	case hwmon_temp_enable:
+		return 0644;
+	case hwmon_temp_crit:
+	case hwmon_temp_lcrit:
+	case hwmon_temp_input:
+		return 0444;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static const struct hwmon_channel_info *ufs_hwmon_info[] = {
+	HWMON_CHANNEL_INFO(temp, HWMON_T_ENABLE | HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LCRIT),
+	NULL
+};
+
+static const struct hwmon_ops ufs_hwmon_ops = {
+	.is_visible	= ufs_hwmon_is_visible,
+	.read		= ufs_hwmon_read,
+	.write		= ufs_hwmon_write,
+};
+
+static const struct hwmon_chip_info ufs_hwmon_hba_info = {
+	.ops	= &ufs_hwmon_ops,
+	.info	= ufs_hwmon_info,
+};
+
+void ufs_hwmon_probe(struct ufs_hba *hba, u8 mask)
+{
+	struct device *dev = hba->dev;
+	struct ufs_hwmon_data *data;
+	struct device *hwmon;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return;
+
+	data->hba = hba;
+	data->mask = mask;
+
+	hwmon = hwmon_device_register_with_info(dev, "ufs", data, &ufs_hwmon_hba_info, NULL);
+	if (IS_ERR(hwmon)) {
+		dev_warn(dev, "Failed to instantiate hwmon device\n");
+		kfree(data);
+		return;
+	}
+
+	hba->hwmon_device = hwmon;
+}
+
+void ufs_hwmon_remove(struct ufs_hba *hba)
+{
+	struct ufs_hwmon_data *data;
+
+	if (!hba->hwmon_device)
+		return;
+
+	data = dev_get_drvdata(hba->hwmon_device);
+	hwmon_device_unregister(hba->hwmon_device);
+	hba->hwmon_device = NULL;
+	kfree(data);
+}
+
+void ufs_hwmon_notify_event(struct ufs_hba *hba, u8 ee_mask)
+{
+	if (!hba->hwmon_device)
+		return;
+
+	if (ee_mask & MASK_EE_TOO_HIGH_TEMP)
+		hwmon_notify_event(hba->hwmon_device, hwmon_temp, hwmon_temp_max_alarm, 0);
+
+	if (ee_mask & MASK_EE_TOO_LOW_TEMP)
+		hwmon_notify_event(hba->hwmon_device, hwmon_temp, hwmon_temp_min_alarm, 0);
+}
diff --git a/drivers/scsi/ufs/ufs-mediatek-trace.h b/drivers/scsi/ufs/ufs-mediatek-trace.h
new file mode 100644
index 0000000..895e82e
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-mediatek-trace.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 MediaTek Inc.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ufs_mtk
+
+#if !defined(_TRACE_EVENT_UFS_MEDIATEK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EVENT_UFS_MEDIATEK_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(ufs_mtk_event,
+	TP_PROTO(unsigned int type, unsigned int data),
+	TP_ARGS(type, data),
+
+	TP_STRUCT__entry(
+		__field(unsigned int, type)
+		__field(unsigned int, data)
+	),
+
+	TP_fast_assign(
+		__entry->type = type;
+		__entry->data = data;
+	),
+
+	TP_printk("ufs:event=%u data=%u",
+		  __entry->type, __entry->data)
+	);
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_PATH ../../drivers/scsi/ufs/
+#define TRACE_INCLUDE_FILE ufs-mediatek-trace
+#include <trace/define_trace.h>
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index aace133..86a9380 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
 #include <linux/reset.h>
+#include <linux/sched/clock.h>
 #include <linux/soc/mediatek/mtk_sip_svc.h>
 
 #include "ufshcd.h"
@@ -24,10 +25,16 @@
 #include "unipro.h"
 #include "ufs-mediatek.h"
 
+#define CREATE_TRACE_POINTS
+#include "ufs-mediatek-trace.h"
+
 #define ufs_mtk_smc(cmd, val, res) \
 	arm_smccc_smc(MTK_SIP_UFS_CONTROL, \
 		      cmd, val, 0, 0, 0, 0, 0, &(res))
 
+#define ufs_mtk_va09_pwr_ctrl(res, on) \
+	ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, on, res)
+
 #define ufs_mtk_crypto_ctrl(res, enable) \
 	ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, enable, res)
 
@@ -45,18 +52,8 @@
 	END_FIX
 };
 
-static const struct ufs_mtk_host_cfg ufs_mtk_mt8192_cfg = {
-	.caps = UFS_MTK_CAP_BOOST_CRYPT_ENGINE,
-};
-
 static const struct of_device_id ufs_mtk_of_match[] = {
-	{
-		.compatible = "mediatek,mt8183-ufshci",
-	},
-	{
-		.compatible = "mediatek,mt8192-ufshci",
-		.data = &ufs_mtk_mt8192_cfg
-	},
+	{ .compatible = "mediatek,mt8183-ufshci" },
 	{},
 };
 
@@ -64,7 +61,21 @@
 {
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
-	return (host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE);
+	return !!(host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE);
+}
+
+static bool ufs_mtk_is_va09_supported(struct ufs_hba *hba)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+	return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL);
+}
+
+static bool ufs_mtk_is_broken_vcc(struct ufs_hba *hba)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+	return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC);
 }
 
 static void ufs_mtk_cfg_unipro_cg(struct ufs_hba *hba, bool enable)
@@ -158,6 +169,7 @@
 				     enum ufs_notify_change_status status)
 {
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+	unsigned long flags;
 
 	if (status == PRE_CHANGE) {
 		if (host->unipro_lpm) {
@@ -169,6 +181,17 @@
 
 		if (hba->caps & UFSHCD_CAP_CRYPTO)
 			ufs_mtk_crypto_enable(hba);
+
+		if (host->caps & UFS_MTK_CAP_DISABLE_AH8) {
+			spin_lock_irqsave(hba->host->host_lock, flags);
+			ufshcd_writel(hba, 0,
+				      REG_AUTO_HIBERNATE_IDLE_TIMER);
+			spin_unlock_irqrestore(hba->host->host_lock,
+					       flags);
+
+			hba->capabilities &= ~MASK_AUTO_HIBERN8_SUPPORT;
+			hba->ahit = 0;
+		}
 	}
 
 	return 0;
@@ -224,9 +247,9 @@
 
 	if (on) {
 		ufs_mtk_ref_clk_notify(on, res);
-		ufshcd_delay_us(host->ref_clk_ungating_wait_us, 10);
 		ufshcd_writel(hba, REFCLK_REQUEST, REG_UFS_REFCLK_CTRL);
 	} else {
+		ufshcd_delay_us(host->ref_clk_gating_wait_us, 10);
 		ufshcd_writel(hba, REFCLK_RELEASE, REG_UFS_REFCLK_CTRL);
 	}
 
@@ -251,16 +274,16 @@
 
 out:
 	host->ref_clk_enabled = on;
-	if (!on) {
-		ufshcd_delay_us(host->ref_clk_gating_wait_us, 10);
+	if (on)
+		ufshcd_delay_us(host->ref_clk_ungating_wait_us, 10);
+	else
 		ufs_mtk_ref_clk_notify(on, res);
-	}
 
 	return 0;
 }
 
 static void ufs_mtk_setup_ref_clk_wait_us(struct ufs_hba *hba,
-					  u16 gating_us, u16 ungating_us)
+					  u16 gating_us)
 {
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
@@ -271,7 +294,62 @@
 		host->ref_clk_gating_wait_us = gating_us;
 	}
 
-	host->ref_clk_ungating_wait_us = ungating_us;
+	host->ref_clk_ungating_wait_us = REFCLK_DEFAULT_WAIT_US;
+}
+
+static void ufs_mtk_dbg_sel(struct ufs_hba *hba)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+	if (((host->ip_ver >> 16) & 0xFF) >= 0x36) {
+		ufshcd_writel(hba, 0x820820, REG_UFS_DEBUG_SEL);
+		ufshcd_writel(hba, 0x0, REG_UFS_DEBUG_SEL_B0);
+		ufshcd_writel(hba, 0x55555555, REG_UFS_DEBUG_SEL_B1);
+		ufshcd_writel(hba, 0xaaaaaaaa, REG_UFS_DEBUG_SEL_B2);
+		ufshcd_writel(hba, 0xffffffff, REG_UFS_DEBUG_SEL_B3);
+	} else {
+		ufshcd_writel(hba, 0x20, REG_UFS_DEBUG_SEL);
+	}
+}
+
+static void ufs_mtk_wait_idle_state(struct ufs_hba *hba,
+			    unsigned long retry_ms)
+{
+	u64 timeout, time_checked;
+	u32 val, sm;
+	bool wait_idle;
+
+	/* cannot use plain ktime_get() in suspend */
+	timeout = ktime_get_mono_fast_ns() + retry_ms * 1000000UL;
+
+	/* wait a specific time after check base */
+	udelay(10);
+	wait_idle = false;
+
+	do {
+		time_checked = ktime_get_mono_fast_ns();
+		ufs_mtk_dbg_sel(hba);
+		val = ufshcd_readl(hba, REG_UFS_PROBE);
+
+		sm = val & 0x1f;
+
+		/*
+		 * if state is in H8 enter and H8 enter confirm
+		 * wait until return to idle state.
+		 */
+		if ((sm >= VS_HIB_ENTER) && (sm <= VS_HIB_EXIT)) {
+			wait_idle = true;
+			udelay(50);
+			continue;
+		} else if (!wait_idle)
+			break;
+
+		if (wait_idle && (sm == VS_HCE_BASE))
+			break;
+	} while (time_checked < timeout);
+
+	if (wait_idle && sm != VS_HCE_BASE)
+		dev_info(hba->dev, "wait idle tmo: 0x%x\n", val);
 }
 
 static int ufs_mtk_wait_link_state(struct ufs_hba *hba, u32 state,
@@ -283,7 +361,7 @@
 	timeout = ktime_add_ms(ktime_get(), max_wait_ms);
 	do {
 		time_checked = ktime_get();
-		ufshcd_writel(hba, 0x20, REG_UFS_DEBUG_SEL);
+		ufs_mtk_dbg_sel(hba);
 		val = ufshcd_readl(hba, REG_UFS_PROBE);
 		val = val >> 28;
 
@@ -300,21 +378,46 @@
 	return -ETIMEDOUT;
 }
 
-static void ufs_mtk_mphy_power_on(struct ufs_hba *hba, bool on)
+static int ufs_mtk_mphy_power_on(struct ufs_hba *hba, bool on)
 {
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 	struct phy *mphy = host->mphy;
+	struct arm_smccc_res res;
+	int ret = 0;
 
-	if (!mphy)
-		return;
+	if (!mphy || !(on ^ host->mphy_powered_on))
+		return 0;
 
-	if (on && !host->mphy_powered_on)
+	if (on) {
+		if (ufs_mtk_is_va09_supported(hba)) {
+			ret = regulator_enable(host->reg_va09);
+			if (ret < 0)
+				goto out;
+			/* wait 200 us to stablize VA09 */
+			usleep_range(200, 210);
+			ufs_mtk_va09_pwr_ctrl(res, 1);
+		}
 		phy_power_on(mphy);
-	else if (!on && host->mphy_powered_on)
+	} else {
 		phy_power_off(mphy);
-	else
-		return;
-	host->mphy_powered_on = on;
+		if (ufs_mtk_is_va09_supported(hba)) {
+			ufs_mtk_va09_pwr_ctrl(res, 0);
+			ret = regulator_disable(host->reg_va09);
+			if (ret < 0)
+				goto out;
+		}
+	}
+out:
+	if (ret) {
+		dev_info(hba->dev,
+			 "failed to %s va09: %d\n",
+			 on ? "enable" : "disable",
+			 ret);
+	} else {
+		host->mphy_powered_on = on;
+	}
+
+	return ret;
 }
 
 static int ufs_mtk_get_host_clk(struct device *dev, const char *name,
@@ -402,7 +505,7 @@
 	return ret;
 }
 
-static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
+static void ufs_mtk_init_boost_crypt(struct ufs_hba *hba)
 {
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 	struct ufs_mtk_crypt_cfg *cfg;
@@ -410,11 +513,6 @@
 	struct regulator *reg;
 	u32 volt;
 
-	host->caps = host->cfg->caps;
-
-	if (!ufs_mtk_is_boost_crypt_enabled(hba))
-		return;
-
 	host->crypt = devm_kzalloc(dev, sizeof(*(host->crypt)),
 				   GFP_KERNEL);
 	if (!host->crypt)
@@ -448,11 +546,54 @@
 
 	cfg->reg_vcore = reg;
 	cfg->vcore_volt = volt;
-	dev_info(dev, "caps: boost-crypt");
-	return;
+	host->caps |= UFS_MTK_CAP_BOOST_CRYPT_ENGINE;
 
 disable_caps:
-	host->caps &= ~UFS_MTK_CAP_BOOST_CRYPT_ENGINE;
+	return;
+}
+
+static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+	host->reg_va09 = regulator_get(hba->dev, "va09");
+	if (IS_ERR(host->reg_va09))
+		dev_info(hba->dev, "failed to get va09");
+	else
+		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
+}
+
+static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+	struct device_node *np = hba->dev->of_node;
+
+	if (of_property_read_bool(np, "mediatek,ufs-boost-crypt"))
+		ufs_mtk_init_boost_crypt(hba);
+
+	if (of_property_read_bool(np, "mediatek,ufs-support-va09"))
+		ufs_mtk_init_va09_pwr_ctrl(hba);
+
+	if (of_property_read_bool(np, "mediatek,ufs-disable-ah8"))
+		host->caps |= UFS_MTK_CAP_DISABLE_AH8;
+
+	if (of_property_read_bool(np, "mediatek,ufs-broken-vcc"))
+		host->caps |= UFS_MTK_CAP_BROKEN_VCC;
+
+	dev_info(hba->dev, "caps: 0x%x", host->caps);
+}
+
+static void ufs_mtk_scale_perf(struct ufs_hba *hba, bool up)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+	ufs_mtk_boost_crypt(hba, up);
+	ufs_mtk_setup_ref_clk(hba, up);
+
+	if (up)
+		phy_power_on(host->mphy);
+	else
+		phy_power_off(host->mphy);
 }
 
 /**
@@ -467,8 +608,8 @@
 				enum ufs_notify_change_status status)
 {
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
-	int ret = 0;
 	bool clk_pwr_off = false;
+	int ret = 0;
 
 	/*
 	 * In case ufs_mtk_init() is not yet done, simply ignore.
@@ -496,20 +637,45 @@
 				clk_pwr_off = true;
 		}
 
-		if (clk_pwr_off) {
-			ufs_mtk_boost_crypt(hba, on);
-			ufs_mtk_setup_ref_clk(hba, on);
-			ufs_mtk_mphy_power_on(hba, on);
-		}
+		if (clk_pwr_off)
+			ufs_mtk_scale_perf(hba, false);
 	} else if (on && status == POST_CHANGE) {
-		ufs_mtk_mphy_power_on(hba, on);
-		ufs_mtk_setup_ref_clk(hba, on);
-		ufs_mtk_boost_crypt(hba, on);
+		ufs_mtk_scale_perf(hba, true);
 	}
 
 	return ret;
 }
 
+static void ufs_mtk_get_controller_version(struct ufs_hba *hba)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+	int ret, ver = 0;
+
+	if (host->hw_ver.major)
+		return;
+
+	/* Set default (minimum) version anyway */
+	host->hw_ver.major = 2;
+
+	ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_LOCALVERINFO), &ver);
+	if (!ret) {
+		if (ver >= UFS_UNIPRO_VER_1_8) {
+			host->hw_ver.major = 3;
+			/*
+			 * Fix HCI version for some platforms with
+			 * incorrect version
+			 */
+			if (hba->ufs_version < ufshci_version(3, 0))
+				hba->ufs_version = ufshci_version(3, 0);
+		}
+	}
+}
+
+static u32 ufs_mtk_get_ufs_hci_version(struct ufs_hba *hba)
+{
+	return hba->ufs_version;
+}
+
 /**
  * ufs_mtk_init - find other essential mmio bases
  * @hba: host controller instance
@@ -537,17 +703,14 @@
 	host->hba = hba;
 	ufshcd_set_variant(hba, host);
 
-	/* Get host capability and platform data */
 	id = of_match_device(ufs_mtk_of_match, dev);
 	if (!id) {
 		err = -EINVAL;
 		goto out;
 	}
 
-	if (id->data) {
-		host->cfg = (struct ufs_mtk_host_cfg *)id->data;
-		ufs_mtk_init_host_caps(hba);
-	}
+	/* Initialize host capability */
+	ufs_mtk_init_host_caps(hba);
 
 	err = ufs_mtk_bind_mphy(hba);
 	if (err)
@@ -569,6 +732,9 @@
 	hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL;
 	hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80);
 
+	if (host->caps & UFS_MTK_CAP_DISABLE_AH8)
+		hba->caps |= UFSHCD_CAP_HIBERN8_WITH_CLK_GATING;
+
 	/*
 	 * ufshcd_vops_init() is invoked after
 	 * ufshcd_setup_clock(true) in ufshcd_hba_init() thus
@@ -576,8 +742,11 @@
 	 *
 	 * Enable phy clocks specifically here.
 	 */
+	ufs_mtk_mphy_power_on(hba, true);
 	ufs_mtk_setup_clocks(hba, true, POST_CHANGE);
 
+	host->ip_ver = ufshcd_readl(hba, REG_UFS_MTK_IP_VER);
+
 	goto out;
 
 out_variant_clear:
@@ -590,22 +759,13 @@
 				  struct ufs_pa_layer_attr *dev_max_params,
 				  struct ufs_pa_layer_attr *dev_req_params)
 {
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 	struct ufs_dev_params host_cap;
 	int ret;
 
-	host_cap.tx_lanes = UFS_MTK_LIMIT_NUM_LANES_TX;
-	host_cap.rx_lanes = UFS_MTK_LIMIT_NUM_LANES_RX;
-	host_cap.hs_rx_gear = UFS_MTK_LIMIT_HSGEAR_RX;
-	host_cap.hs_tx_gear = UFS_MTK_LIMIT_HSGEAR_TX;
-	host_cap.pwm_rx_gear = UFS_MTK_LIMIT_PWMGEAR_RX;
-	host_cap.pwm_tx_gear = UFS_MTK_LIMIT_PWMGEAR_TX;
-	host_cap.rx_pwr_pwm = UFS_MTK_LIMIT_RX_PWR_PWM;
-	host_cap.tx_pwr_pwm = UFS_MTK_LIMIT_TX_PWR_PWM;
-	host_cap.rx_pwr_hs = UFS_MTK_LIMIT_RX_PWR_HS;
-	host_cap.tx_pwr_hs = UFS_MTK_LIMIT_TX_PWR_HS;
-	host_cap.hs_rate = UFS_MTK_LIMIT_HS_RATE;
-	host_cap.desired_working_mode =
-				UFS_MTK_LIMIT_DESIRED_MODE;
+	ufshcd_init_pwr_dev_param(&host_cap);
+	host_cap.hs_rx_gear = UFS_HS_G4;
+	host_cap.hs_tx_gear = UFS_HS_G4;
 
 	ret = ufshcd_get_pwr_dev_param(&host_cap,
 				       dev_max_params,
@@ -615,6 +775,12 @@
 			__func__);
 	}
 
+	if (host->hw_ver.major >= 3) {
+		ret = ufshcd_dme_configure_adapt(hba,
+					   dev_req_params->gear_tx,
+					   PA_INITIAL_ADAPT);
+	}
+
 	return ret;
 }
 
@@ -640,14 +806,14 @@
 	return ret;
 }
 
-static int ufs_mtk_unipro_set_pm(struct ufs_hba *hba, bool lpm)
+static int ufs_mtk_unipro_set_lpm(struct ufs_hba *hba, bool lpm)
 {
 	int ret;
 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
 
 	ret = ufshcd_dme_set(hba,
 			     UIC_ARG_MIB_SEL(VS_UNIPROPOWERDOWNCONTROL, 0),
-			     lpm);
+			     lpm ? 1 : 0);
 	if (!ret || !lpm) {
 		/*
 		 * Forcibly set as non-LPM mode if UIC commands is failed
@@ -665,7 +831,9 @@
 	int ret;
 	u32 tmp;
 
-	ret = ufs_mtk_unipro_set_pm(hba, false);
+	ufs_mtk_get_controller_version(hba);
+
+	ret = ufs_mtk_unipro_set_lpm(hba, false);
 	if (ret)
 		return ret;
 
@@ -712,12 +880,10 @@
 	/* enable unipro clock gating feature */
 	ufs_mtk_cfg_unipro_cg(hba, true);
 
-	/* configure auto-hibern8 timer to 10ms */
-	if (ufshcd_is_auto_hibern8_supported(hba)) {
-		ufshcd_auto_hibern8_update(hba,
-			FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 10) |
-			FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3));
-	}
+	/* will be configured during probe hba */
+	if (ufshcd_is_auto_hibern8_supported(hba))
+		hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 10) |
+			FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3);
 
 	ufs_mtk_setup_clk_gating(hba);
 
@@ -748,6 +914,9 @@
 {
 	struct arm_smccc_res res;
 
+	/* disable hba before device reset */
+	ufshcd_hba_stop(hba);
+
 	ufs_mtk_device_reset_ctrl(0, res);
 
 	/*
@@ -777,7 +946,7 @@
 	if (err)
 		return err;
 
-	err = ufs_mtk_unipro_set_pm(hba, false);
+	err = ufs_mtk_unipro_set_lpm(hba, false);
 	if (err)
 		return err;
 
@@ -798,10 +967,10 @@
 {
 	int err;
 
-	err = ufs_mtk_unipro_set_pm(hba, true);
+	err = ufs_mtk_unipro_set_lpm(hba, true);
 	if (err) {
 		/* Resume UniPro state for following error recovery */
-		ufs_mtk_unipro_set_pm(hba, false);
+		ufs_mtk_unipro_set_lpm(hba, false);
 		return err;
 	}
 
@@ -821,50 +990,88 @@
 				   REGULATOR_MODE_NORMAL);
 }
 
-static int ufs_mtk_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
+static void ufs_mtk_auto_hibern8_disable(struct ufs_hba *hba)
+{
+	unsigned long flags;
+	int ret;
+
+	/* disable auto-hibern8 */
+	spin_lock_irqsave(hba->host->host_lock, flags);
+	ufshcd_writel(hba, 0, REG_AUTO_HIBERNATE_IDLE_TIMER);
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
+
+	/* wait host return to idle state when auto-hibern8 off */
+	ufs_mtk_wait_idle_state(hba, 5);
+
+	ret = ufs_mtk_wait_link_state(hba, VS_LINK_UP, 100);
+	if (ret)
+		dev_warn(hba->dev, "exit h8 state fail, ret=%d\n", ret);
+}
+
+static int ufs_mtk_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op,
+	enum ufs_notify_change_status status)
 {
 	int err;
 	struct arm_smccc_res res;
 
+	if (status == PRE_CHANGE) {
+		if (!ufshcd_is_auto_hibern8_supported(hba))
+			return 0;
+		ufs_mtk_auto_hibern8_disable(hba);
+		return 0;
+	}
+
 	if (ufshcd_is_link_hibern8(hba)) {
 		err = ufs_mtk_link_set_lpm(hba);
-		if (err) {
-			/*
-			 * Set link as off state enforcedly to trigger
-			 * ufshcd_host_reset_and_restore() in ufshcd_suspend()
-			 * for completed host reset.
-			 */
-			ufshcd_set_link_off(hba);
-			return -EAGAIN;
-		}
+		if (err)
+			goto fail;
+	}
+
+	if (!ufshcd_is_link_active(hba)) {
 		/*
 		 * Make sure no error will be returned to prevent
 		 * ufshcd_suspend() re-enabling regulators while vreg is still
 		 * in low-power mode.
 		 */
 		ufs_mtk_vreg_set_lpm(hba, true);
+		err = ufs_mtk_mphy_power_on(hba, false);
+		if (err)
+			goto fail;
 	}
 
 	if (ufshcd_is_link_off(hba))
 		ufs_mtk_device_reset_ctrl(0, res);
 
 	return 0;
+fail:
+	/*
+	 * Set link as off state enforcedly to trigger
+	 * ufshcd_host_reset_and_restore() in ufshcd_suspend()
+	 * for completed host reset.
+	 */
+	ufshcd_set_link_off(hba);
+	return -EAGAIN;
 }
 
 static int ufs_mtk_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 {
 	int err;
 
+	err = ufs_mtk_mphy_power_on(hba, true);
+	if (err)
+		goto fail;
+
+	ufs_mtk_vreg_set_lpm(hba, false);
+
 	if (ufshcd_is_link_hibern8(hba)) {
-		ufs_mtk_vreg_set_lpm(hba, false);
 		err = ufs_mtk_link_set_hpm(hba);
-		if (err) {
-			err = ufshcd_link_recovery(hba);
-			return err;
-		}
+		if (err)
+			goto fail;
 	}
 
 	return 0;
+fail:
+	return ufshcd_link_recovery(hba);
 }
 
 static void ufs_mtk_dbg_register_dump(struct ufs_hba *hba)
@@ -878,7 +1085,7 @@
 			 "MPHY Ctrl ");
 
 	/* Direct debugging information to REG_MTK_PROBE */
-	ufshcd_writel(hba, 0x20, REG_UFS_DEBUG_SEL);
+	ufs_mtk_dbg_sel(hba);
 	ufshcd_dump_regs(hba, REG_UFS_PROBE, 0x4, "Debug Probe ");
 }
 
@@ -896,11 +1103,14 @@
 	 * requirements.
 	 */
 	if (mid == UFS_VENDOR_SAMSUNG)
-		ufs_mtk_setup_ref_clk_wait_us(hba, 1, 1);
+		ufs_mtk_setup_ref_clk_wait_us(hba, 1);
 	else if (mid == UFS_VENDOR_SKHYNIX)
-		ufs_mtk_setup_ref_clk_wait_us(hba, 30, 30);
+		ufs_mtk_setup_ref_clk_wait_us(hba, 30);
 	else if (mid == UFS_VENDOR_TOSHIBA)
-		ufs_mtk_setup_ref_clk_wait_us(hba, 100, 32);
+		ufs_mtk_setup_ref_clk_wait_us(hba, 100);
+	else
+		ufs_mtk_setup_ref_clk_wait_us(hba,
+					      REFCLK_DEFAULT_WAIT_US);
 
 	return 0;
 }
@@ -908,6 +1118,25 @@
 static void ufs_mtk_fixup_dev_quirks(struct ufs_hba *hba)
 {
 	ufshcd_fixup_dev_quirks(hba, ufs_mtk_dev_fixups);
+
+	if (ufs_mtk_is_broken_vcc(hba) && hba->vreg_info.vcc &&
+	    (hba->dev_quirks & UFS_DEVICE_QUIRK_DELAY_AFTER_LPM)) {
+		hba->vreg_info.vcc->always_on = true;
+		/*
+		 * VCC will be kept always-on thus we don't
+		 * need any delay during regulator operations
+		 */
+		hba->dev_quirks &= ~(UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
+			UFS_DEVICE_QUIRK_DELAY_AFTER_LPM);
+	}
+}
+
+static void ufs_mtk_event_notify(struct ufs_hba *hba,
+				 enum ufs_event_type evt, void *data)
+{
+	unsigned int val = *(u32 *)data;
+
+	trace_ufs_mtk_event(evt, val);
 }
 
 /*
@@ -919,6 +1148,7 @@
 static const struct ufs_hba_variant_ops ufs_hba_mtk_vops = {
 	.name                = "mediatek.ufshci",
 	.init                = ufs_mtk_init,
+	.get_ufs_hci_version = ufs_mtk_get_ufs_hci_version,
 	.setup_clocks        = ufs_mtk_setup_clocks,
 	.hce_enable_notify   = ufs_mtk_hce_enable_notify,
 	.link_startup_notify = ufs_mtk_link_startup_notify,
@@ -929,6 +1159,7 @@
 	.resume              = ufs_mtk_resume,
 	.dbg_register_dump   = ufs_mtk_dbg_register_dump,
 	.device_reset        = ufs_mtk_device_reset,
+	.event_notify        = ufs_mtk_event_notify,
 };
 
 /**
@@ -941,12 +1172,43 @@
 {
 	int err;
 	struct device *dev = &pdev->dev;
+	struct device_node *reset_node;
+	struct platform_device *reset_pdev;
+	struct device_link *link;
 
+	reset_node = of_find_compatible_node(NULL, NULL,
+					     "ti,syscon-reset");
+	if (!reset_node) {
+		dev_notice(dev, "find ti,syscon-reset fail\n");
+		goto skip_reset;
+	}
+	reset_pdev = of_find_device_by_node(reset_node);
+	if (!reset_pdev) {
+		dev_notice(dev, "find reset_pdev fail\n");
+		goto skip_reset;
+	}
+	link = device_link_add(dev, &reset_pdev->dev,
+		DL_FLAG_AUTOPROBE_CONSUMER);
+	put_device(&reset_pdev->dev);
+	if (!link) {
+		dev_notice(dev, "add reset device_link fail\n");
+		goto skip_reset;
+	}
+	/* supplier is not probed */
+	if (link->status == DL_STATE_DORMANT) {
+		err = -EPROBE_DEFER;
+		goto out;
+	}
+
+skip_reset:
 	/* perform generic probe */
 	err = ufshcd_pltfrm_init(pdev, &ufs_hba_mtk_vops);
+
+out:
 	if (err)
 		dev_info(dev, "probe failed %d\n", err);
 
+	of_node_put(reset_node);
 	return err;
 }
 
@@ -966,11 +1228,10 @@
 }
 
 static const struct dev_pm_ops ufs_mtk_pm_ops = {
-	.suspend         = ufshcd_pltfrm_suspend,
-	.resume          = ufshcd_pltfrm_resume,
-	.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
-	.runtime_resume  = ufshcd_pltfrm_runtime_resume,
-	.runtime_idle    = ufshcd_pltfrm_runtime_idle,
+	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
+	.prepare	 = ufshcd_suspend_prepare,
+	.complete	 = ufshcd_resume_complete,
 };
 
 static struct platform_driver ufs_mtk_pltform = {
diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h
index 2b6a131..414dca8 100644
--- a/drivers/scsi/ufs/ufs-mediatek.h
+++ b/drivers/scsi/ufs/ufs-mediatek.h
@@ -15,9 +15,14 @@
 #define REG_UFS_REFCLK_CTRL         0x144
 #define REG_UFS_EXTREG              0x2100
 #define REG_UFS_MPHYCTRL            0x2200
+#define REG_UFS_MTK_IP_VER          0x2240
 #define REG_UFS_REJECT_MON          0x22AC
 #define REG_UFS_DEBUG_SEL           0x22C0
 #define REG_UFS_PROBE               0x22C8
+#define REG_UFS_DEBUG_SEL_B0        0x22D0
+#define REG_UFS_DEBUG_SEL_B1        0x22D4
+#define REG_UFS_DEBUG_SEL_B2        0x22D8
+#define REG_UFS_DEBUG_SEL_B3        0x22DC
 
 /*
  * Ref-clk control
@@ -29,22 +34,7 @@
 #define REFCLK_ACK                  BIT(1)
 
 #define REFCLK_REQ_TIMEOUT_US       3000
-
-/*
- * Vendor specific pre-defined parameters
- */
-#define UFS_MTK_LIMIT_NUM_LANES_RX  2
-#define UFS_MTK_LIMIT_NUM_LANES_TX  2
-#define UFS_MTK_LIMIT_HSGEAR_RX     UFS_HS_G3
-#define UFS_MTK_LIMIT_HSGEAR_TX     UFS_HS_G3
-#define UFS_MTK_LIMIT_PWMGEAR_RX    UFS_PWM_G4
-#define UFS_MTK_LIMIT_PWMGEAR_TX    UFS_PWM_G4
-#define UFS_MTK_LIMIT_RX_PWR_PWM    SLOW_MODE
-#define UFS_MTK_LIMIT_TX_PWR_PWM    SLOW_MODE
-#define UFS_MTK_LIMIT_RX_PWR_HS     FAST_MODE
-#define UFS_MTK_LIMIT_TX_PWR_HS     FAST_MODE
-#define UFS_MTK_LIMIT_HS_RATE       PA_HS_MODE_B
-#define UFS_MTK_LIMIT_DESIRED_MODE  UFS_HS_MODE
+#define REFCLK_DEFAULT_WAIT_US      32
 
 /*
  * Other attributes
@@ -66,9 +56,30 @@
 };
 
 /*
+ * Vendor specific host controller state
+ */
+enum {
+	VS_HCE_RESET                = 0,
+	VS_HCE_BASE                 = 1,
+	VS_HCE_OOCPR_WAIT           = 2,
+	VS_HCE_DME_RESET            = 3,
+	VS_HCE_MIDDLE               = 4,
+	VS_HCE_DME_ENABLE           = 5,
+	VS_HCE_DEFAULTS             = 6,
+	VS_HIB_IDLEEN               = 7,
+	VS_HIB_ENTER                = 8,
+	VS_HIB_ENTER_CONF           = 9,
+	VS_HIB_MIDDLE               = 10,
+	VS_HIB_WAITTIMER            = 11,
+	VS_HIB_EXIT_CONF            = 12,
+	VS_HIB_EXIT                 = 13,
+};
+
+/*
  * SiP commands
  */
 #define MTK_SIP_UFS_CONTROL               MTK_SIP_SMC_CMD(0x276)
+#define UFS_MTK_SIP_VA09_PWR_CTRL         BIT(0)
 #define UFS_MTK_SIP_DEVICE_RESET          BIT(1)
 #define UFS_MTK_SIP_CRYPTO_CTRL           BIT(2)
 #define UFS_MTK_SIP_REF_CLK_NOTIFICATION  BIT(3)
@@ -94,6 +105,9 @@
  */
 enum ufs_mtk_host_caps {
 	UFS_MTK_CAP_BOOST_CRYPT_ENGINE         = 1 << 0,
+	UFS_MTK_CAP_VA09_PWR_CTRL              = 1 << 1,
+	UFS_MTK_CAP_DISABLE_AH8                = 1 << 2,
+	UFS_MTK_CAP_BROKEN_VCC                 = 1 << 3,
 };
 
 struct ufs_mtk_crypt_cfg {
@@ -104,24 +118,28 @@
 	int vcore_volt;
 };
 
-struct ufs_mtk_host_cfg {
-	enum ufs_mtk_host_caps caps;
+struct ufs_mtk_hw_ver {
+	u8 step;
+	u8 minor;
+	u8 major;
 };
 
 struct ufs_mtk_host {
-	struct ufs_hba *hba;
 	struct phy *mphy;
-	struct ufs_mtk_host_cfg *cfg;
-	struct ufs_mtk_crypt_cfg *crypt;
-	enum ufs_mtk_host_caps caps;
+	struct regulator *reg_va09;
 	struct reset_control *hci_reset;
 	struct reset_control *unipro_reset;
 	struct reset_control *crypto_reset;
+	struct ufs_hba *hba;
+	struct ufs_mtk_crypt_cfg *crypt;
+	struct ufs_mtk_hw_ver hw_ver;
+	enum ufs_mtk_host_caps caps;
 	bool mphy_powered_on;
 	bool unipro_lpm;
 	bool ref_clk_enabled;
 	u16 ref_clk_ungating_wait_us;
 	u16 ref_clk_gating_wait_us;
+	u32 ip_ver;
 };
 
 #endif /* !_UFS_MEDIATEK_H */
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index 08331ec..35a1e6e 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -578,11 +578,26 @@
 	return err;
 }
 
-static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
+static void ufs_qcom_device_reset_ctrl(struct ufs_hba *hba, bool asserted)
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	/* reset gpio is optional */
+	if (!host->device_reset)
+		return;
+
+	gpiod_set_value_cansleep(host->device_reset, asserted);
+}
+
+static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op,
+	enum ufs_notify_change_status status)
 {
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
 	struct phy *phy = host->generic_phy;
 
+	if (status == PRE_CHANGE)
+		return 0;
+
 	if (ufs_qcom_is_link_off(hba)) {
 		/*
 		 * Disable the tx/rx lane symbol clocks before PHY is
@@ -592,6 +607,9 @@
 		ufs_qcom_disable_lane_clks(host);
 		phy_power_off(phy);
 
+		/* reset the connected UFS device during power down */
+		ufs_qcom_device_reset_ctrl(hba, true);
+
 	} else if (!ufs_qcom_is_link_active(hba)) {
 		ufs_qcom_disable_lane_clks(host);
 	}
@@ -699,19 +717,8 @@
 
 	switch (status) {
 	case PRE_CHANGE:
-		ufs_qcom_cap.tx_lanes = UFS_QCOM_LIMIT_NUM_LANES_TX;
-		ufs_qcom_cap.rx_lanes = UFS_QCOM_LIMIT_NUM_LANES_RX;
-		ufs_qcom_cap.hs_rx_gear = UFS_QCOM_LIMIT_HSGEAR_RX;
-		ufs_qcom_cap.hs_tx_gear = UFS_QCOM_LIMIT_HSGEAR_TX;
-		ufs_qcom_cap.pwm_rx_gear = UFS_QCOM_LIMIT_PWMGEAR_RX;
-		ufs_qcom_cap.pwm_tx_gear = UFS_QCOM_LIMIT_PWMGEAR_TX;
-		ufs_qcom_cap.rx_pwr_pwm = UFS_QCOM_LIMIT_RX_PWR_PWM;
-		ufs_qcom_cap.tx_pwr_pwm = UFS_QCOM_LIMIT_TX_PWR_PWM;
-		ufs_qcom_cap.rx_pwr_hs = UFS_QCOM_LIMIT_RX_PWR_HS;
-		ufs_qcom_cap.tx_pwr_hs = UFS_QCOM_LIMIT_TX_PWR_HS;
+		ufshcd_init_pwr_dev_param(&ufs_qcom_cap);
 		ufs_qcom_cap.hs_rate = UFS_QCOM_LIMIT_HS_RATE;
-		ufs_qcom_cap.desired_working_mode =
-					UFS_QCOM_LIMIT_DESIRED_MODE;
 
 		if (host->hw_ver.major == 0x1) {
 			/*
@@ -742,17 +749,9 @@
 			ufs_qcom_dev_ref_clk_ctrl(host, true);
 
 		if (host->hw_ver.major >= 0x4) {
-			if (dev_req_params->gear_tx == UFS_HS_G4) {
-				/* INITIAL ADAPT */
-				ufshcd_dme_set(hba,
-					       UIC_ARG_MIB(PA_TXHSADAPTTYPE),
-					       PA_INITIAL_ADAPT);
-			} else {
-				/* NO ADAPT */
-				ufshcd_dme_set(hba,
-					       UIC_ARG_MIB(PA_TXHSADAPTTYPE),
-					       PA_NO_ADAPT);
-			}
+			ufshcd_dme_configure_adapt(hba,
+						dev_req_params->gear_tx,
+						PA_INITIAL_ADAPT);
 		}
 		break;
 	case POST_CHANGE:
@@ -822,9 +821,9 @@
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
 
 	if (host->hw_ver.major == 0x1)
-		return UFSHCI_VERSION_11;
+		return ufshci_version(1, 1);
 	else
-		return UFSHCI_VERSION_20;
+		return ufshci_version(2, 0);
 }
 
 /**
@@ -871,6 +870,7 @@
 	hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND;
 	hba->caps |= UFSHCD_CAP_WB_EN;
 	hba->caps |= UFSHCD_CAP_CRYPTO;
+	hba->caps |= UFSHCD_CAP_AGGR_POWER_COLLAPSE;
 
 	if (host->hw_ver.major >= 0x2) {
 		host->caps = UFS_QCOM_CAP_QUNIPRO |
@@ -890,7 +890,6 @@
 				 enum ufs_notify_change_status status)
 {
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
-	int err = 0;
 
 	/*
 	 * In case ufs_qcom_init() is not yet done, simply ignore.
@@ -918,7 +917,7 @@
 		break;
 	}
 
-	return err;
+	return 0;
 }
 
 static int
@@ -985,6 +984,7 @@
 	struct platform_device *pdev = to_platform_device(dev);
 	struct ufs_qcom_host *host;
 	struct resource *res;
+	struct ufs_clk_info *clki;
 
 	if (strlen(android_boot_dev) && strcmp(android_boot_dev, dev_name(dev)))
 		return -ENODEV;
@@ -1072,17 +1072,17 @@
 		if (res) {
 			host->dev_ref_clk_ctrl_mmio =
 					devm_ioremap_resource(dev, res);
-			if (IS_ERR(host->dev_ref_clk_ctrl_mmio)) {
-				dev_warn(dev,
-					"%s: could not map dev_ref_clk_ctrl_mmio, err %ld\n",
-					__func__,
-					PTR_ERR(host->dev_ref_clk_ctrl_mmio));
+			if (IS_ERR(host->dev_ref_clk_ctrl_mmio))
 				host->dev_ref_clk_ctrl_mmio = NULL;
-			}
 			host->dev_ref_clk_en_mask = BIT(5);
 		}
 	}
 
+	list_for_each_entry(clki, &hba->clk_list_head, list) {
+		if (!strcmp(clki->name, "core_clk_unipro"))
+			clki->keep_link_active = true;
+	}
+
 	err = ufs_qcom_init_lane_clks(host);
 	if (err)
 		goto out_variant_clear;
@@ -1214,24 +1214,34 @@
 	int err = 0;
 
 	if (status == PRE_CHANGE) {
+		err = ufshcd_uic_hibern8_enter(hba);
+		if (err)
+			return err;
 		if (scale_up)
 			err = ufs_qcom_clk_scale_up_pre_change(hba);
 		else
 			err = ufs_qcom_clk_scale_down_pre_change(hba);
+		if (err)
+			ufshcd_uic_hibern8_exit(hba);
+
 	} else {
 		if (scale_up)
 			err = ufs_qcom_clk_scale_up_post_change(hba);
 		else
 			err = ufs_qcom_clk_scale_down_post_change(hba);
 
-		if (err || !dev_req_params)
+
+		if (err || !dev_req_params) {
+			ufshcd_uic_hibern8_exit(hba);
 			goto out;
+		}
 
 		ufs_qcom_cfg_timers(hba,
 				    dev_req_params->gear_rx,
 				    dev_req_params->pwr_rx,
 				    dev_req_params->hs_rate,
 				    false);
+		ufshcd_uic_hibern8_exit(hba);
 	}
 
 out:
@@ -1441,10 +1451,10 @@
 	 * The UFS device shall detect reset pulses of 1us, sleep for 10us to
 	 * be on the safe side.
 	 */
-	gpiod_set_value_cansleep(host->device_reset, 1);
+	ufs_qcom_device_reset_ctrl(hba, true);
 	usleep_range(10, 15);
 
-	gpiod_set_value_cansleep(host->device_reset, 0);
+	ufs_qcom_device_reset_ctrl(hba, false);
 	usleep_range(10, 15);
 
 	return 0;
@@ -1547,11 +1557,10 @@
 #endif
 
 static const struct dev_pm_ops ufs_qcom_pm_ops = {
-	.suspend	= ufshcd_pltfrm_suspend,
-	.resume		= ufshcd_pltfrm_resume,
-	.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
-	.runtime_resume  = ufshcd_pltfrm_runtime_resume,
-	.runtime_idle    = ufshcd_pltfrm_runtime_idle,
+	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
+	.prepare	 = ufshcd_suspend_prepare,
+	.complete	 = ufshcd_resume_complete,
 };
 
 static struct platform_driver ufs_qcom_pltform = {
diff --git a/drivers/scsi/ufs/ufs-qcom.h b/drivers/scsi/ufs/ufs-qcom.h
index 3f49227..8208e3a 100644
--- a/drivers/scsi/ufs/ufs-qcom.h
+++ b/drivers/scsi/ufs/ufs-qcom.h
@@ -27,18 +27,7 @@
 #define SLOW 1
 #define FAST 2
 
-#define UFS_QCOM_LIMIT_NUM_LANES_RX	2
-#define UFS_QCOM_LIMIT_NUM_LANES_TX	2
-#define UFS_QCOM_LIMIT_HSGEAR_RX	UFS_HS_G3
-#define UFS_QCOM_LIMIT_HSGEAR_TX	UFS_HS_G3
-#define UFS_QCOM_LIMIT_PWMGEAR_RX	UFS_PWM_G4
-#define UFS_QCOM_LIMIT_PWMGEAR_TX	UFS_PWM_G4
-#define UFS_QCOM_LIMIT_RX_PWR_PWM	SLOW_MODE
-#define UFS_QCOM_LIMIT_TX_PWR_PWM	SLOW_MODE
-#define UFS_QCOM_LIMIT_RX_PWR_HS	FAST_MODE
-#define UFS_QCOM_LIMIT_TX_PWR_HS	FAST_MODE
 #define UFS_QCOM_LIMIT_HS_RATE		PA_HS_MODE_B
-#define UFS_QCOM_LIMIT_DESIRED_MODE	FAST
 
 /* QCOM UFS host controller vendor specific registers */
 enum {
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
index 34b424a..f59e569 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -9,7 +9,9 @@
 #include "ufs.h"
 #include "ufs-sysfs.h"
 
-static const char *ufschd_uic_link_state_to_string(
+#include <trace/hooks/ufshcd.h>
+
+static const char *ufshcd_uic_link_state_to_string(
 			enum uic_link_state state)
 {
 	switch (state) {
@@ -21,13 +23,14 @@
 	}
 }
 
-static const char *ufschd_ufs_dev_pwr_mode_to_string(
+static const char *ufshcd_ufs_dev_pwr_mode_to_string(
 			enum ufs_dev_pwr_mode state)
 {
 	switch (state) {
 	case UFS_ACTIVE_PWR_MODE:	return "ACTIVE";
 	case UFS_SLEEP_PWR_MODE:	return "SLEEP";
 	case UFS_POWERDOWN_PWR_MODE:	return "POWERDOWN";
+	case UFS_DEEPSLEEP_PWR_MODE:	return "DEEPSLEEP";
 	default:			return "UNKNOWN";
 	}
 }
@@ -38,6 +41,7 @@
 					     bool rpm)
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
+	struct ufs_dev_info *dev_info = &hba->dev_info;
 	unsigned long flags, value;
 
 	if (kstrtoul(buf, 0, &value))
@@ -46,6 +50,11 @@
 	if (value >= UFS_PM_LVL_MAX)
 		return -EINVAL;
 
+	if (ufs_pm_lvl_states[value].dev_state == UFS_DEEPSLEEP_PWR_MODE &&
+	    (!(hba->caps & UFSHCD_CAP_DEEPSLEEP) ||
+	     !(dev_info->wspecversion >= 0x310)))
+		return -EINVAL;
+
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (rpm)
 		hba->rpm_lvl = value;
@@ -60,7 +69,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%d\n", hba->rpm_lvl);
+	return sysfs_emit(buf, "%d\n", hba->rpm_lvl);
 }
 
 static ssize_t rpm_lvl_store(struct device *dev,
@@ -74,7 +83,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
+	return sysfs_emit(buf, "%s\n", ufshcd_ufs_dev_pwr_mode_to_string(
 			ufs_pm_lvl_states[hba->rpm_lvl].dev_state));
 }
 
@@ -83,7 +92,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string(
+	return sysfs_emit(buf, "%s\n", ufshcd_uic_link_state_to_string(
 			ufs_pm_lvl_states[hba->rpm_lvl].link_state));
 }
 
@@ -92,7 +101,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%d\n", hba->spm_lvl);
+	return sysfs_emit(buf, "%d\n", hba->spm_lvl);
 }
 
 static ssize_t spm_lvl_store(struct device *dev,
@@ -106,7 +115,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
+	return sysfs_emit(buf, "%s\n", ufshcd_ufs_dev_pwr_mode_to_string(
 				ufs_pm_lvl_states[hba->spm_lvl].dev_state));
 }
 
@@ -115,7 +124,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string(
+	return sysfs_emit(buf, "%s\n", ufshcd_uic_link_state_to_string(
 				ufs_pm_lvl_states[hba->spm_lvl].link_state));
 }
 
@@ -147,18 +156,29 @@
 				 struct device_attribute *attr, char *buf)
 {
 	u32 ahit;
+	int ret;
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
 	if (!ufshcd_is_auto_hibern8_supported(hba))
 		return -EOPNOTSUPP;
 
+	down(&hba->host_sem);
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	pm_runtime_get_sync(hba->dev);
 	ufshcd_hold(hba, false);
 	ahit = ufshcd_readl(hba, REG_AUTO_HIBERNATE_IDLE_TIMER);
 	ufshcd_release(hba);
 	pm_runtime_put_sync(hba->dev);
 
-	return scnprintf(buf, PAGE_SIZE, "%d\n", ufshcd_ahit_to_us(ahit));
+	ret = sysfs_emit(buf, "%d\n", ufshcd_ahit_to_us(ahit));
+
+out:
+	up(&hba->host_sem);
+	return ret;
 }
 
 static ssize_t auto_hibern8_store(struct device *dev,
@@ -167,6 +187,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 	unsigned int timer;
+	int ret = 0;
 
 	if (!ufshcd_is_auto_hibern8_supported(hba))
 		return -EOPNOTSUPP;
@@ -177,9 +198,61 @@
 	if (timer > UFSHCI_AHIBERN8_MAX)
 		return -EINVAL;
 
+	down(&hba->host_sem);
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	ufshcd_auto_hibern8_update(hba, ufshcd_us_to_ahit(timer));
 
-	return count;
+out:
+	up(&hba->host_sem);
+	return ret ? ret : count;
+}
+
+static ssize_t wb_on_show(struct device *dev, struct device_attribute *attr,
+			  char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%d\n", hba->dev_info.wb_enabled);
+}
+
+static ssize_t wb_on_store(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	unsigned int wb_enable;
+	ssize_t res;
+
+	if (!ufshcd_is_wb_allowed(hba) || ufshcd_is_clkscaling_supported(hba)) {
+		/*
+		 * If the platform supports UFSHCD_CAP_CLK_SCALING, turn WB
+		 * on/off will be done while clock scaling up/down.
+		 */
+		dev_warn(dev, "To control WB through wb_on is not allowed!\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (kstrtouint(buf, 0, &wb_enable))
+		return -EINVAL;
+
+	if (wb_enable != 0 && wb_enable != 1)
+		return -EINVAL;
+
+	down(&hba->host_sem);
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		res = -EBUSY;
+		goto out;
+	}
+
+	ufshcd_rpm_get_sync(hba);
+	res = ufshcd_wb_toggle(hba, wb_enable);
+	ufshcd_rpm_put_sync(hba);
+out:
+	up(&hba->host_sem);
+	return res < 0 ? res : count;
 }
 
 static DEVICE_ATTR_RW(rpm_lvl);
@@ -189,6 +262,7 @@
 static DEVICE_ATTR_RO(spm_target_dev_state);
 static DEVICE_ATTR_RO(spm_target_link_state);
 static DEVICE_ATTR_RW(auto_hibern8);
+static DEVICE_ATTR_RW(wb_on);
 
 static struct attribute *ufs_sysfs_ufshcd_attrs[] = {
 	&dev_attr_rpm_lvl.attr,
@@ -198,6 +272,7 @@
 	&dev_attr_spm_target_dev_state.attr,
 	&dev_attr_spm_target_link_state.attr,
 	&dev_attr_auto_hibern8.attr,
+	&dev_attr_wb_on.attr,
 	NULL
 };
 
@@ -205,6 +280,242 @@
 	.attrs = ufs_sysfs_ufshcd_attrs,
 };
 
+static ssize_t monitor_enable_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%d\n", hba->monitor.enabled);
+}
+
+static ssize_t monitor_enable_store(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	unsigned long value, flags;
+
+	if (kstrtoul(buf, 0, &value))
+		return -EINVAL;
+
+	value = !!value;
+	spin_lock_irqsave(hba->host->host_lock, flags);
+	if (value == hba->monitor.enabled)
+		goto out_unlock;
+
+	if (!value) {
+		memset(&hba->monitor, 0, sizeof(hba->monitor));
+	} else {
+		hba->monitor.enabled = true;
+		hba->monitor.enabled_ts = ktime_get();
+	}
+
+out_unlock:
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
+	return count;
+}
+
+static ssize_t monitor_chunk_size_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%lu\n", hba->monitor.chunk_size);
+}
+
+static ssize_t monitor_chunk_size_store(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	unsigned long value, flags;
+
+	if (kstrtoul(buf, 0, &value))
+		return -EINVAL;
+
+	spin_lock_irqsave(hba->host->host_lock, flags);
+	/* Only allow chunk size change when monitor is disabled */
+	if (!hba->monitor.enabled)
+		hba->monitor.chunk_size = value;
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
+	return count;
+}
+
+static ssize_t read_total_sectors_show(struct device *dev,
+				       struct device_attribute *attr, char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%lu\n", hba->monitor.nr_sec_rw[READ]);
+}
+
+static ssize_t read_total_busy_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.total_busy[READ]));
+}
+
+static ssize_t read_nr_requests_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%lu\n", hba->monitor.nr_req[READ]);
+}
+
+static ssize_t read_req_latency_avg_show(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	struct ufs_hba_monitor *m = &hba->monitor;
+
+	return sysfs_emit(buf, "%llu\n", div_u64(ktime_to_us(m->lat_sum[READ]),
+						 m->nr_req[READ]));
+}
+
+static ssize_t read_req_latency_max_show(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.lat_max[READ]));
+}
+
+static ssize_t read_req_latency_min_show(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.lat_min[READ]));
+}
+
+static ssize_t read_req_latency_sum_show(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.lat_sum[READ]));
+}
+
+static ssize_t write_total_sectors_show(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%lu\n", hba->monitor.nr_sec_rw[WRITE]);
+}
+
+static ssize_t write_total_busy_show(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.total_busy[WRITE]));
+}
+
+static ssize_t write_nr_requests_show(struct device *dev,
+				      struct device_attribute *attr, char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%lu\n", hba->monitor.nr_req[WRITE]);
+}
+
+static ssize_t write_req_latency_avg_show(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	struct ufs_hba_monitor *m = &hba->monitor;
+
+	return sysfs_emit(buf, "%llu\n", div_u64(ktime_to_us(m->lat_sum[WRITE]),
+						 m->nr_req[WRITE]));
+}
+
+static ssize_t write_req_latency_max_show(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.lat_max[WRITE]));
+}
+
+static ssize_t write_req_latency_min_show(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.lat_min[WRITE]));
+}
+
+static ssize_t write_req_latency_sum_show(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	return sysfs_emit(buf, "%llu\n",
+			  ktime_to_us(hba->monitor.lat_sum[WRITE]));
+}
+
+static DEVICE_ATTR_RW(monitor_enable);
+static DEVICE_ATTR_RW(monitor_chunk_size);
+static DEVICE_ATTR_RO(read_total_sectors);
+static DEVICE_ATTR_RO(read_total_busy);
+static DEVICE_ATTR_RO(read_nr_requests);
+static DEVICE_ATTR_RO(read_req_latency_avg);
+static DEVICE_ATTR_RO(read_req_latency_max);
+static DEVICE_ATTR_RO(read_req_latency_min);
+static DEVICE_ATTR_RO(read_req_latency_sum);
+static DEVICE_ATTR_RO(write_total_sectors);
+static DEVICE_ATTR_RO(write_total_busy);
+static DEVICE_ATTR_RO(write_nr_requests);
+static DEVICE_ATTR_RO(write_req_latency_avg);
+static DEVICE_ATTR_RO(write_req_latency_max);
+static DEVICE_ATTR_RO(write_req_latency_min);
+static DEVICE_ATTR_RO(write_req_latency_sum);
+
+static struct attribute *ufs_sysfs_monitor_attrs[] = {
+	&dev_attr_monitor_enable.attr,
+	&dev_attr_monitor_chunk_size.attr,
+	&dev_attr_read_total_sectors.attr,
+	&dev_attr_read_total_busy.attr,
+	&dev_attr_read_nr_requests.attr,
+	&dev_attr_read_req_latency_avg.attr,
+	&dev_attr_read_req_latency_max.attr,
+	&dev_attr_read_req_latency_min.attr,
+	&dev_attr_read_req_latency_sum.attr,
+	&dev_attr_write_total_sectors.attr,
+	&dev_attr_write_total_busy.attr,
+	&dev_attr_write_nr_requests.attr,
+	&dev_attr_write_req_latency_avg.attr,
+	&dev_attr_write_req_latency_max.attr,
+	&dev_attr_write_req_latency_min.attr,
+	&dev_attr_write_req_latency_sum.attr,
+	NULL
+};
+
+static const struct attribute_group ufs_sysfs_monitor_group = {
+	.name = "monitor",
+	.attrs = ufs_sysfs_monitor_attrs,
+};
+
 static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba,
 				  enum desc_idn desc_id,
 				  u8 desc_index,
@@ -218,30 +529,41 @@
 	if (param_size > 8)
 		return -EINVAL;
 
-	pm_runtime_get_sync(hba->dev);
+	down(&hba->host_sem);
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	ufshcd_rpm_get_sync(hba);
 	ret = ufshcd_read_desc_param(hba, desc_id, desc_index,
 				param_offset, desc_buf, param_size);
-	pm_runtime_put_sync(hba->dev);
-	if (ret)
-		return -EINVAL;
+	ufshcd_rpm_put_sync(hba);
+	if (ret) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	switch (param_size) {
 	case 1:
-		ret = sprintf(sysfs_buf, "0x%02X\n", *desc_buf);
+		ret = sysfs_emit(sysfs_buf, "0x%02X\n", *desc_buf);
 		break;
 	case 2:
-		ret = sprintf(sysfs_buf, "0x%04X\n",
+		ret = sysfs_emit(sysfs_buf, "0x%04X\n",
 			get_unaligned_be16(desc_buf));
 		break;
 	case 4:
-		ret = sprintf(sysfs_buf, "0x%08X\n",
+		ret = sysfs_emit(sysfs_buf, "0x%08X\n",
 			get_unaligned_be32(desc_buf));
 		break;
 	case 8:
-		ret = sprintf(sysfs_buf, "0x%016llX\n",
+		ret = sysfs_emit(sysfs_buf, "0x%016llX\n",
 			get_unaligned_be64(desc_buf));
 		break;
 	}
 
+out:
+	up(&hba->host_sem);
 	return ret;
 }
 
@@ -284,6 +606,8 @@
 UFS_DEVICE_DESC_PARAM(number_of_secure_wpa, _NUM_SEC_WPA, 1);
 UFS_DEVICE_DESC_PARAM(psa_max_data_size, _PSA_MAX_DATA, 4);
 UFS_DEVICE_DESC_PARAM(psa_state_timeout, _PSA_TMT, 1);
+UFS_DEVICE_DESC_PARAM(hpb_version, _HPB_VER, 2);
+UFS_DEVICE_DESC_PARAM(hpb_control, _HPB_CONTROL, 1);
 UFS_DEVICE_DESC_PARAM(ext_feature_sup, _EXT_UFS_FEATURE_SUP, 4);
 UFS_DEVICE_DESC_PARAM(wb_presv_us_en, _WB_PRESRV_USRSPC_EN, 1);
 UFS_DEVICE_DESC_PARAM(wb_type, _WB_TYPE, 1);
@@ -316,6 +640,8 @@
 	&dev_attr_number_of_secure_wpa.attr,
 	&dev_attr_psa_max_data_size.attr,
 	&dev_attr_psa_state_timeout.attr,
+	&dev_attr_hpb_version.attr,
+	&dev_attr_hpb_control.attr,
 	&dev_attr_ext_feature_sup.attr,
 	&dev_attr_wb_presv_us_en.attr,
 	&dev_attr_wb_type.attr,
@@ -389,6 +715,10 @@
 	_ENM4_MAX_NUM_UNITS, 4);
 UFS_GEOMETRY_DESC_PARAM(enh4_memory_capacity_adjustment_factor,
 	_ENM4_CAP_ADJ_FCTR, 2);
+UFS_GEOMETRY_DESC_PARAM(hpb_region_size, _HPB_REGION_SIZE, 1);
+UFS_GEOMETRY_DESC_PARAM(hpb_number_lu, _HPB_NUMBER_LU, 1);
+UFS_GEOMETRY_DESC_PARAM(hpb_subregion_size, _HPB_SUBREGION_SIZE, 1);
+UFS_GEOMETRY_DESC_PARAM(hpb_max_active_regions, _HPB_MAX_ACTIVE_REGS, 2);
 UFS_GEOMETRY_DESC_PARAM(wb_max_alloc_units, _WB_MAX_ALLOC_UNITS, 4);
 UFS_GEOMETRY_DESC_PARAM(wb_max_wb_luns, _WB_MAX_WB_LUNS, 1);
 UFS_GEOMETRY_DESC_PARAM(wb_buff_cap_adj, _WB_BUFF_CAP_ADJ, 1);
@@ -426,6 +756,10 @@
 	&dev_attr_enh3_memory_capacity_adjustment_factor.attr,
 	&dev_attr_enh4_memory_max_alloc_units.attr,
 	&dev_attr_enh4_memory_capacity_adjustment_factor.attr,
+	&dev_attr_hpb_region_size.attr,
+	&dev_attr_hpb_number_lu.attr,
+	&dev_attr_hpb_subregion_size.attr,
+	&dev_attr_hpb_max_active_regions.attr,
 	&dev_attr_wb_max_alloc_units.attr,
 	&dev_attr_wb_max_wb_luns.attr,
 	&dev_attr_wb_buff_cap_adj.attr,
@@ -584,10 +918,17 @@
 	int desc_len = QUERY_DESC_MAX_SIZE;				\
 	u8 *desc_buf;							\
 									\
+	down(&hba->host_sem);						\
+	if (!ufshcd_is_user_access_allowed(hba)) {			\
+		up(&hba->host_sem);					\
+		return -EBUSY;						\
+	}								\
 	desc_buf = kzalloc(QUERY_DESC_MAX_SIZE, GFP_ATOMIC);		\
-	if (!desc_buf)                                                  \
-		return -ENOMEM;                                         \
-	pm_runtime_get_sync(hba->dev);					\
+	if (!desc_buf) {						\
+		up(&hba->host_sem);					\
+		return -ENOMEM;						\
+	}								\
+	ufshcd_rpm_get_sync(hba);					\
 	ret = ufshcd_query_descriptor_retry(hba,			\
 		UPIU_QUERY_OPCODE_READ_DESC, QUERY_DESC_IDN_DEVICE,	\
 		0, 0, desc_buf, &desc_len);				\
@@ -602,10 +943,11 @@
 				      SD_ASCII_STD);			\
 	if (ret < 0)							\
 		goto out;						\
-	ret = snprintf(buf, PAGE_SIZE, "%s\n", desc_buf);		\
+	ret = sysfs_emit(buf, "%s\n", desc_buf);			\
 out:									\
-	pm_runtime_put_sync(hba->dev);					\
+	ufshcd_rpm_put_sync(hba);					\
 	kfree(desc_buf);						\
+	up(&hba->host_sem);						\
 	return ret;							\
 }									\
 static DEVICE_ATTR_RO(_name)
@@ -632,8 +974,8 @@
 
 static inline bool ufshcd_is_wb_flags(enum flag_idn idn)
 {
-	return ((idn >= QUERY_FLAG_IDN_WB_EN) &&
-		(idn <= QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8));
+	return idn >= QUERY_FLAG_IDN_WB_EN &&
+		idn <= QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8;
 }
 
 #define UFS_FLAG(_name, _uname)						\
@@ -644,15 +986,26 @@
 	u8 index = 0;							\
 	int ret;							\
 	struct ufs_hba *hba = dev_get_drvdata(dev);			\
+									\
+	down(&hba->host_sem);						\
+	if (!ufshcd_is_user_access_allowed(hba)) {			\
+		up(&hba->host_sem);					\
+		return -EBUSY;						\
+	}								\
 	if (ufshcd_is_wb_flags(QUERY_FLAG_IDN##_uname))			\
 		index = ufshcd_wb_get_query_index(hba);			\
-	pm_runtime_get_sync(hba->dev);					\
+	ufshcd_rpm_get_sync(hba);					\
 	ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG,	\
 		QUERY_FLAG_IDN##_uname, index, &flag);			\
-	pm_runtime_put_sync(hba->dev);					\
-	if (ret)							\
-		return -EINVAL;						\
-	return sprintf(buf, "%s\n", flag ? "true" : "false"); \
+	ufshcd_rpm_put_sync(hba);					\
+	if (ret) {							\
+		ret = -EINVAL;						\
+		goto out;						\
+	}								\
+	ret = sysfs_emit(buf, "%s\n", flag ? "true" : "false");		\
+out:									\
+	up(&hba->host_sem);						\
+	return ret;							\
 }									\
 static DEVICE_ATTR_RO(_name)
 
@@ -667,6 +1020,7 @@
 UFS_FLAG(wb_enable, _WB_EN);
 UFS_FLAG(wb_flush_en, _WB_BUFF_FLUSH_EN);
 UFS_FLAG(wb_flush_during_h8, _WB_BUFF_FLUSH_DURING_HIBERN8);
+UFS_FLAG(hpb_enable, _HPB_EN);
 
 static struct attribute *ufs_sysfs_device_flags[] = {
 	&dev_attr_device_init.attr,
@@ -680,6 +1034,7 @@
 	&dev_attr_wb_enable.attr,
 	&dev_attr_wb_flush_en.attr,
 	&dev_attr_wb_flush_during_h8.attr,
+	&dev_attr_hpb_enable.attr,
 	NULL,
 };
 
@@ -690,8 +1045,8 @@
 
 static inline bool ufshcd_is_wb_attrs(enum attr_idn idn)
 {
-	return ((idn >= QUERY_ATTR_IDN_WB_FLUSH_STATUS) &&
-		(idn <= QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE));
+	return idn >= QUERY_ATTR_IDN_WB_FLUSH_STATUS &&
+		idn <= QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE;
 }
 
 #define UFS_ATTRIBUTE(_name, _uname)					\
@@ -702,19 +1057,31 @@
 	u32 value;							\
 	int ret;							\
 	u8 index = 0;							\
+									\
+	down(&hba->host_sem);						\
+	if (!ufshcd_is_user_access_allowed(hba)) {			\
+		up(&hba->host_sem);					\
+		return -EBUSY;						\
+	}								\
 	if (ufshcd_is_wb_attrs(QUERY_ATTR_IDN##_uname))			\
 		index = ufshcd_wb_get_query_index(hba);			\
-	pm_runtime_get_sync(hba->dev);					\
+	ufshcd_rpm_get_sync(hba);					\
 	ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR,	\
 		QUERY_ATTR_IDN##_uname, index, 0, &value);		\
-	pm_runtime_put_sync(hba->dev);					\
-	if (ret)							\
-		return -EINVAL;						\
-	return sprintf(buf, "0x%08X\n", value);				\
+	ufshcd_rpm_put_sync(hba);					\
+	if (ret) {							\
+		ret = -EINVAL;						\
+		goto out;						\
+	}								\
+	ret = sysfs_emit(buf, "0x%08X\n", value);			\
+out:									\
+	up(&hba->host_sem);						\
+	return ret;							\
 }									\
 static DEVICE_ATTR_RO(_name)
 
 UFS_ATTRIBUTE(boot_lun_enabled, _BOOT_LU_EN);
+UFS_ATTRIBUTE(max_data_size_hpb_single_cmd, _MAX_HPB_SINGLE_CMD);
 UFS_ATTRIBUTE(current_power_mode, _POWER_MODE);
 UFS_ATTRIBUTE(active_icc_level, _ACTIVE_ICC_LVL);
 UFS_ATTRIBUTE(ooo_data_enabled, _OOO_DATA_EN);
@@ -738,6 +1105,7 @@
 
 static struct attribute *ufs_sysfs_attributes[] = {
 	&dev_attr_boot_lun_enabled.attr,
+	&dev_attr_max_data_size_hpb_single_cmd.attr,
 	&dev_attr_current_power_mode.attr,
 	&dev_attr_active_icc_level.attr,
 	&dev_attr_ooo_data_enabled.attr,
@@ -767,6 +1135,7 @@
 
 static const struct attribute_group *ufs_sysfs_groups[] = {
 	&ufs_sysfs_default_group,
+	&ufs_sysfs_monitor_group,
 	&ufs_sysfs_device_descriptor_group,
 	&ufs_sysfs_interconnect_descriptor_group,
 	&ufs_sysfs_geometry_descriptor_group,
@@ -796,6 +1165,7 @@
 #define UFS_UNIT_DESC_PARAM(_name, _uname, _size)			\
 	UFS_LUN_DESC_PARAM(_name, _uname, UNIT, _size)
 
+UFS_UNIT_DESC_PARAM(lu_enable, _LU_ENABLE, 1);
 UFS_UNIT_DESC_PARAM(boot_lun_id, _BOOT_LUN_ID, 1);
 UFS_UNIT_DESC_PARAM(lun_write_protect, _LU_WR_PROTECT, 1);
 UFS_UNIT_DESC_PARAM(lun_queue_depth, _LU_Q_DEPTH, 1);
@@ -809,10 +1179,13 @@
 UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8);
 UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2);
 UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1);
+UFS_UNIT_DESC_PARAM(hpb_lu_max_active_regions, _HPB_LU_MAX_ACTIVE_RGNS, 2);
+UFS_UNIT_DESC_PARAM(hpb_pinned_region_start_offset, _HPB_PIN_RGN_START_OFF, 2);
+UFS_UNIT_DESC_PARAM(hpb_number_pinned_regions, _HPB_NUM_PIN_RGNS, 2);
 UFS_UNIT_DESC_PARAM(wb_buf_alloc_units, _WB_BUF_ALLOC_UNITS, 4);
 
-
 static struct attribute *ufs_sysfs_unit_descriptor[] = {
+	&dev_attr_lu_enable.attr,
 	&dev_attr_boot_lun_id.attr,
 	&dev_attr_lun_write_protect.attr,
 	&dev_attr_lun_queue_depth.attr,
@@ -826,6 +1199,9 @@
 	&dev_attr_physical_memory_resourse_count.attr,
 	&dev_attr_context_capabilities.attr,
 	&dev_attr_large_unit_granularity.attr,
+	&dev_attr_hpb_lu_max_active_regions.attr,
+	&dev_attr_hpb_pinned_region_start_offset.attr,
+	&dev_attr_hpb_number_pinned_regions.attr,
 	&dev_attr_wb_buf_alloc_units.attr,
 	NULL,
 };
@@ -844,13 +1220,26 @@
 	u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun);
 	int ret;
 
-	pm_runtime_get_sync(hba->dev);
+	down(&hba->host_sem);
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	ufshcd_rpm_get_sync(hba);
 	ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR,
 		QUERY_ATTR_IDN_DYN_CAP_NEEDED, lun, 0, &value);
-	pm_runtime_put_sync(hba->dev);
-	if (ret)
-		return -EINVAL;
-	return sprintf(buf, "0x%08X\n", value);
+	ufshcd_rpm_put_sync(hba);
+	if (ret) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	ret = sysfs_emit(buf, "0x%08X\n", value);
+
+out:
+	up(&hba->host_sem);
+	return ret;
 }
 static DEVICE_ATTR_RO(dyn_cap_needed_attribute);
 
@@ -863,15 +1252,19 @@
 	.attrs = ufs_sysfs_lun_attributes,
 };
 
-void ufs_sysfs_add_nodes(struct device *dev)
+void ufs_sysfs_add_nodes(struct ufs_hba *hba)
 {
 	int ret;
 
-	ret = sysfs_create_groups(&dev->kobj, ufs_sysfs_groups);
-	if (ret)
-		dev_err(dev,
+	ret = sysfs_create_groups(&hba->dev->kobj, ufs_sysfs_groups);
+	if (ret) {
+		dev_err(hba->dev,
 			"%s: sysfs groups creation failed (err = %d)\n",
 			__func__, ret);
+		return;
+	}
+
+	trace_android_vh_ufs_update_sysfs(hba);
 }
 
 void ufs_sysfs_remove_nodes(struct device *dev)
diff --git a/drivers/scsi/ufs/ufs-sysfs.h b/drivers/scsi/ufs/ufs-sysfs.h
index 0f4e750..ec7b0c8 100644
--- a/drivers/scsi/ufs/ufs-sysfs.h
+++ b/drivers/scsi/ufs/ufs-sysfs.h
@@ -9,7 +9,7 @@
 
 #include "ufshcd.h"
 
-void ufs_sysfs_add_nodes(struct device *dev);
+void ufs_sysfs_add_nodes(struct ufs_hba *hba);
 void ufs_sysfs_remove_nodes(struct device *dev);
 
 extern const struct attribute_group ufs_sysfs_unit_descriptor_group;
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 07ca390..280c56d 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -13,6 +13,7 @@
 
 #include <linux/mutex.h>
 #include <linux/types.h>
+#include <linux/android_kabi.h>
 #include <uapi/scsi/scsi_bsg_ufs.h>
 
 #define GENERAL_UPIU_REQUEST_SIZE (sizeof(struct utp_upiu_req))
@@ -43,6 +44,12 @@
 /* WriteBooster buffer is available only for the logical unit from 0 to 7 */
 #define UFS_UPIU_MAX_WB_LUN_ID	8
 
+/*
+ * WriteBooster buffer lifetime has a limit setted by vendor.
+ * If it is over the limit, WriteBooster feature will be disabled.
+ */
+#define UFS_WB_EXCEED_LIFETIME		0x0B
+
 /* Well known logical unit id in LUN field of UPIU */
 enum {
 	UFS_UPIU_REPORT_LUNS_WLUN	= 0x81,
@@ -122,12 +129,14 @@
 	QUERY_FLAG_IDN_WB_EN                            = 0x0E,
 	QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN                 = 0x0F,
 	QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8     = 0x10,
+	QUERY_FLAG_IDN_HPB_RESET                        = 0x11,
+	QUERY_FLAG_IDN_HPB_EN				= 0x12,
 };
 
 /* Attribute idn for Query requests */
 enum attr_idn {
 	QUERY_ATTR_IDN_BOOT_LU_EN		= 0x00,
-	QUERY_ATTR_IDN_RESERVED			= 0x01,
+	QUERY_ATTR_IDN_MAX_HPB_SINGLE_CMD	= 0x01,
 	QUERY_ATTR_IDN_POWER_MODE		= 0x02,
 	QUERY_ATTR_IDN_ACTIVE_ICC_LVL		= 0x03,
 	QUERY_ATTR_IDN_OOO_DATA_EN		= 0x04,
@@ -150,6 +159,9 @@
 	QUERY_ATTR_IDN_PSA_STATE		= 0x15,
 	QUERY_ATTR_IDN_PSA_DATA_SIZE		= 0x16,
 	QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME	= 0x17,
+	QUERY_ATTR_IDN_CASE_ROUGH_TEMP          = 0x18,
+	QUERY_ATTR_IDN_HIGH_TEMP_BOUND          = 0x19,
+	QUERY_ATTR_IDN_LOW_TEMP_BOUND           = 0x1A,
 	QUERY_ATTR_IDN_WB_FLUSH_STATUS	        = 0x1C,
 	QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE       = 0x1D,
 	QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST    = 0x1E,
@@ -195,6 +207,9 @@
 	UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT	= 0x18,
 	UNIT_DESC_PARAM_CTX_CAPABILITIES	= 0x20,
 	UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1	= 0x22,
+	UNIT_DESC_PARAM_HPB_LU_MAX_ACTIVE_RGNS	= 0x23,
+	UNIT_DESC_PARAM_HPB_PIN_RGN_START_OFF	= 0x25,
+	UNIT_DESC_PARAM_HPB_NUM_PIN_RGNS	= 0x27,
 	UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS	= 0x29,
 };
 
@@ -235,6 +250,8 @@
 	DEVICE_DESC_PARAM_PSA_MAX_DATA		= 0x25,
 	DEVICE_DESC_PARAM_PSA_TMT		= 0x29,
 	DEVICE_DESC_PARAM_PRDCT_REV		= 0x2A,
+	DEVICE_DESC_PARAM_HPB_VER		= 0x40,
+	DEVICE_DESC_PARAM_HPB_CONTROL		= 0x42,
 	DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP	= 0x4F,
 	DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN	= 0x53,
 	DEVICE_DESC_PARAM_WB_TYPE		= 0x54,
@@ -283,6 +300,10 @@
 	GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS	= 0x3E,
 	GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR	= 0x42,
 	GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE	= 0x44,
+	GEOMETRY_DESC_PARAM_HPB_REGION_SIZE	= 0x48,
+	GEOMETRY_DESC_PARAM_HPB_NUMBER_LU	= 0x49,
+	GEOMETRY_DESC_PARAM_HPB_SUBREGION_SIZE	= 0x4A,
+	GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS	= 0x4B,
 	GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS	= 0x4F,
 	GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS	= 0x53,
 	GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ	= 0x54,
@@ -327,10 +348,14 @@
 
 /* Possible values for dExtendedUFSFeaturesSupport */
 enum {
+	UFS_DEV_LOW_TEMP_NOTIF		= BIT(4),
+	UFS_DEV_HIGH_TEMP_NOTIF		= BIT(5),
+	UFS_DEV_EXT_TEMP_NOTIF		= BIT(6),
+	UFS_DEV_HPB_SUPPORT		= BIT(7),
 	UFS_DEV_WRITE_BOOSTER_SUP	= BIT(8),
 };
+#define UFS_DEV_HPB_SUPPORT_VERSION		0x310
 
-#define POWER_DESC_MAX_SIZE			0x62
 #define POWER_DESC_MAX_ACTV_ICC_LVLS		16
 
 /* Attribute  bActiveICCLevel parameter bit masks definitions */
@@ -349,9 +374,16 @@
 
 /* Exception event mask values */
 enum {
-	MASK_EE_STATUS		= 0xFFFF,
-	MASK_EE_URGENT_BKOPS	= (1 << 2),
+	MASK_EE_STATUS			= 0xFFFF,
+	MASK_EE_DYNCAP_EVENT		= BIT(0),
+	MASK_EE_SYSPOOL_EVENT		= BIT(1),
+	MASK_EE_URGENT_BKOPS		= BIT(2),
+	MASK_EE_TOO_HIGH_TEMP		= BIT(3),
+	MASK_EE_TOO_LOW_TEMP		= BIT(4),
+	MASK_EE_WRITEBOOSTER_EVENT	= BIT(5),
+	MASK_EE_PERFORMANCE_THROTTLING	= BIT(6),
 };
+#define MASK_EE_URGENT_TEMP (MASK_EE_TOO_HIGH_TEMP | MASK_EE_TOO_LOW_TEMP)
 
 /* Background operation status */
 enum bkops_status {
@@ -442,6 +474,7 @@
 	UFS_ACTIVE_PWR_MODE	= 1,
 	UFS_SLEEP_PWR_MODE	= 2,
 	UFS_POWERDOWN_PWR_MODE	= 3,
+	UFS_DEEPSLEEP_PWR_MODE	= 4,
 };
 
 #define UFS_WB_BUF_REMAIN_PERCENT(val) ((val) / 10)
@@ -460,6 +493,41 @@
 	u8 sense_data[UFS_SENSE_SIZE];
 };
 
+struct ufshpb_active_field {
+	__be16 active_rgn;
+	__be16 active_srgn;
+};
+#define HPB_ACT_FIELD_SIZE 4
+
+/**
+ * struct utp_hpb_rsp - Response UPIU structure
+ * @residual_transfer_count: Residual transfer count DW-3
+ * @reserved1: Reserved double words DW-4 to DW-7
+ * @sense_data_len: Sense data length DW-8 U16
+ * @desc_type: Descriptor type of sense data
+ * @additional_len: Additional length of sense data
+ * @hpb_op: HPB operation type
+ * @lun: LUN of response UPIU
+ * @active_rgn_cnt: Active region count
+ * @inactive_rgn_cnt: Inactive region count
+ * @hpb_active_field: Recommended to read HPB region and subregion
+ * @hpb_inactive_field: To be inactivated HPB region and subregion
+ */
+struct utp_hpb_rsp {
+	__be32 residual_transfer_count;
+	__be32 reserved1[4];
+	__be16 sense_data_len;
+	u8 desc_type;
+	u8 additional_len;
+	u8 hpb_op;
+	u8 lun;
+	u8 active_rgn_cnt;
+	u8 inactive_rgn_cnt;
+	struct ufshpb_active_field hpb_active_field[2];
+	__be16 hpb_inactive_field[2];
+};
+#define UTP_HPB_RSP_SIZE 40
+
 /**
  * struct utp_upiu_rsp - general upiu response structure
  * @header: UPIU header structure DW-0 to DW-2
@@ -470,6 +538,7 @@
 	struct utp_upiu_header header;
 	union {
 		struct utp_cmd_rsp sr;
+		struct utp_hpb_rsp hr;
 		struct utp_upiu_query qr;
 	};
 };
@@ -512,6 +581,7 @@
 struct ufs_vreg {
 	struct regulator *reg;
 	const char *name;
+	bool always_on;
 	bool enabled;
 	int min_uV;
 	int max_uV;
@@ -526,22 +596,47 @@
 };
 
 struct ufs_dev_info {
-	bool f_power_on_wp_en;
+	bool	f_power_on_wp_en;
 	/* Keeps information if any of the LU is power on write protected */
-	bool is_lu_power_on_wp;
+	bool	is_lu_power_on_wp;
 	/* Maximum number of general LU supported by the UFS device */
-	u8 max_lu_supported;
-	u8 wb_dedicated_lu;
-	u16 wmanufacturerid;
+	u8	max_lu_supported;
+	u16	wmanufacturerid;
 	/*UFS device Product Name */
-	u8 *model;
-	u16 wspecversion;
-	u32 clk_gating_wait_us;
-	u32 d_ext_ufs_feature_sup;
-	u8 b_wb_buffer_type;
-	u32 d_wb_alloc_units;
-	bool b_rpm_dev_flush_capable;
-	u8 b_presrv_uspc_en;
+	u8	*model;
+	u16	wspecversion;
+	u32	clk_gating_wait_us;
+
+	/* UFS HPB related flag */
+	bool	hpb_enabled;
+
+	/* UFS WB related flags */
+	bool    wb_enabled;
+	bool    wb_buf_flush_enabled;
+	u8	wb_dedicated_lu;
+	u8      wb_buffer_type;
+
+	bool	b_rpm_dev_flush_capable;
+	u8	b_presrv_uspc_en;
+
+	ANDROID_KABI_RESERVE(1);
+};
+
+/*
+ * This enum is used in string mapping in include/trace/events/ufs.h.
+ */
+enum ufs_trace_str_t {
+	UFS_CMD_SEND, UFS_CMD_COMP, UFS_DEV_COMP,
+	UFS_QUERY_SEND, UFS_QUERY_COMP, UFS_QUERY_ERR,
+	UFS_TM_SEND, UFS_TM_COMP, UFS_TM_ERR
+};
+
+/*
+ * Transaction Specific Fields (TSF) type in the UPIU package, this enum is
+ * used in include/trace/events/ufs.h for UFS command trace.
+ */
+enum ufs_trace_tsf_t {
+	UFS_TSF_CDB, UFS_TSF_OSF, UFS_TSF_TM_INPUT, UFS_TSF_TM_OUTPUT
 };
 
 /**
diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c
index 5b2bc1a..39bf204 100644
--- a/drivers/scsi/ufs/ufs_bsg.c
+++ b/drivers/scsi/ufs/ufs_bsg.c
@@ -97,7 +97,7 @@
 
 	bsg_reply->reply_payload_rcv_len = 0;
 
-	pm_runtime_get_sync(hba->dev);
+	ufshcd_rpm_get_sync(hba);
 
 	msgcode = bsg_request->msgcode;
 	switch (msgcode) {
@@ -106,7 +106,7 @@
 		ret = ufs_bsg_alloc_desc_buffer(hba, job, &desc_buff,
 						&desc_len, desc_op);
 		if (ret) {
-			pm_runtime_put_sync(hba->dev);
+			ufshcd_rpm_put_sync(hba);
 			goto out;
 		}
 
@@ -138,7 +138,7 @@
 		break;
 	}
 
-	pm_runtime_put_sync(hba->dev);
+	ufshcd_rpm_put_sync(hba);
 
 	if (!desc_buff)
 		goto out;
diff --git a/drivers/scsi/ufs/ufs_quirks.h b/drivers/scsi/ufs/ufs_quirks.h
index 07f559a..35ec9ea 100644
--- a/drivers/scsi/ufs/ufs_quirks.h
+++ b/drivers/scsi/ufs/ufs_quirks.h
@@ -116,4 +116,10 @@
  */
 #define UFS_DEVICE_QUIRK_DELAY_AFTER_LPM        (1 << 11)
 
+/*
+ * Some UFS devices require L2P entry should be swapped before being sent to the
+ * UFS device for HPB READ command.
+ */
+#define UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ (1 << 12)
+
 #endif /* UFS_QUIRKS_H_ */
diff --git a/drivers/scsi/ufs/ufshcd-crypto.c b/drivers/scsi/ufs/ufshcd-crypto.c
index 07310b1..072ef27 100644
--- a/drivers/scsi/ufs/ufshcd-crypto.c
+++ b/drivers/scsi/ufs/ufshcd-crypto.c
@@ -6,6 +6,9 @@
 #include "ufshcd.h"
 #include "ufshcd-crypto.h"
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/ufshcd.h>
+
 /* Blk-crypto modes supported by UFS crypto */
 static const struct ufs_crypto_alg_entry {
 	enum ufs_crypto_alg ufs_alg;
@@ -120,7 +123,17 @@
 		return false;
 
 	/* Reset might clear all keys, so reprogram all the keys. */
-	blk_ksm_reprogram_all_keys(&hba->ksm);
+	if (hba->ksm.num_slots) {
+		int err = -EOPNOTSUPP;
+
+		trace_android_rvh_ufs_reprogram_all_keys(hba, &err);
+		if (err == -EOPNOTSUPP)
+			blk_ksm_reprogram_all_keys(&hba->ksm);
+	}
+
+	if (hba->quirks & UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE)
+		return false;
+
 	return true;
 }
 
@@ -157,6 +170,9 @@
 	int err = 0;
 	enum blk_crypto_mode_num blk_mode_num;
 
+	if (hba->quirks & UFSHCD_QUIRK_CUSTOM_KEYSLOT_MANAGER)
+		return 0;
+
 	/*
 	 * Don't use crypto if either the hardware doesn't advertise the
 	 * standard crypto capability bit *or* if the vendor specific driver
@@ -179,14 +195,15 @@
 	}
 
 	/* The actual number of configurations supported is (CFGC+1) */
-	err = blk_ksm_init(&hba->ksm,
-			   hba->crypto_capabilities.config_count + 1);
+	err = devm_blk_ksm_init(hba->dev, &hba->ksm,
+				hba->crypto_capabilities.config_count + 1);
 	if (err)
-		goto out_free_caps;
+		goto out;
 
 	hba->ksm.ksm_ll_ops = ufshcd_ksm_ops;
 	/* UFS only supports 8 bytes for any DUN */
 	hba->ksm.max_dun_bytes_supported = 8;
+	hba->ksm.features = BLK_CRYPTO_FEATURE_STANDARD_KEYS;
 	hba->ksm.dev = hba->dev;
 
 	/*
@@ -208,8 +225,6 @@
 
 	return 0;
 
-out_free_caps:
-	devm_kfree(hba->dev, hba->crypto_cap_array);
 out:
 	/* Indicate that init failed by clearing UFSHCD_CAP_CRYPTO */
 	hba->caps &= ~UFSHCD_CAP_CRYPTO;
@@ -227,9 +242,9 @@
 	if (!(hba->caps & UFSHCD_CAP_CRYPTO))
 		return;
 
-	/* Clear all keyslots - the number of keyslots is (CFGC + 1) */
-	for (slot = 0; slot < hba->crypto_capabilities.config_count + 1; slot++)
-		ufshcd_clear_keyslot(hba, slot);
+	/* Clear all keyslots */
+	for (slot = 0; slot < hba->ksm.num_slots; slot++)
+		hba->ksm.ksm_ll_ops.keyslot_evict(&hba->ksm, NULL, slot);
 }
 
 void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
@@ -238,8 +253,3 @@
 	if (hba->caps & UFSHCD_CAP_CRYPTO)
 		blk_ksm_register(&hba->ksm, q);
 }
-
-void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba)
-{
-	blk_ksm_destroy(&hba->ksm);
-}
diff --git a/drivers/scsi/ufs/ufshcd-crypto.h b/drivers/scsi/ufs/ufshcd-crypto.h
index d53851b..83b0e50 100644
--- a/drivers/scsi/ufs/ufshcd-crypto.h
+++ b/drivers/scsi/ufs/ufshcd-crypto.h
@@ -34,6 +34,19 @@
 	}
 }
 
+static inline void ufshcd_crypto_clear_prdt(struct ufs_hba *hba,
+					    struct ufshcd_lrb *lrbp)
+{
+	if (!(hba->quirks & UFSHCD_QUIRK_KEYS_IN_PRDT))
+		return;
+
+	if (!lrbp->cmd->request->crypt_ctx)
+		return;
+
+	memzero_explicit(lrbp->ucd_prdt_ptr,
+			 hba->sg_entry_size * scsi_sg_count(lrbp->cmd));
+}
+
 bool ufshcd_crypto_enable(struct ufs_hba *hba);
 
 int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba);
@@ -43,8 +56,6 @@
 void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
 					    struct request_queue *q);
 
-void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba);
-
 #else /* CONFIG_SCSI_UFS_CRYPTO */
 
 static inline void ufshcd_prepare_lrbp_crypto(struct request *rq,
@@ -54,6 +65,9 @@
 ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0,
 				   u32 *dword_1, u32 *dword_3) { }
 
+static inline void ufshcd_crypto_clear_prdt(struct ufs_hba *hba,
+					    struct ufshcd_lrb *lrbp) { }
+
 static inline bool ufshcd_crypto_enable(struct ufs_hba *hba)
 {
 	return false;
@@ -69,9 +83,6 @@
 static inline void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
 						struct request_queue *q) { }
 
-static inline void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba)
-{ }
-
 #endif /* CONFIG_SCSI_UFS_CRYPTO */
 
 #endif /* _UFSHCD_CRYPTO_H */
diff --git a/drivers/scsi/ufs/ufshcd-dwc.c b/drivers/scsi/ufs/ufshcd-dwc.c
index 6a901da..5bb9d3a 100644
--- a/drivers/scsi/ufs/ufshcd-dwc.c
+++ b/drivers/scsi/ufs/ufshcd-dwc.c
@@ -120,13 +120,10 @@
 	if (status == PRE_CHANGE) {
 		ufshcd_dwc_program_clk_div(hba, DWC_UFS_REG_HCLKDIV_DIV_125);
 
-		if (hba->vops->phy_initialization) {
-			err = hba->vops->phy_initialization(hba);
-			if (err) {
-				dev_err(hba->dev, "Phy setup failed (%d)\n",
-									err);
-				goto out;
-			}
+		err = ufshcd_vops_phy_initialization(hba);
+		if (err) {
+			dev_err(hba->dev, "Phy setup failed (%d)\n", err);
+			goto out;
 		}
 	} else { /* POST_CHANGE */
 		err = ufshcd_dwc_link_is_up(hba);
diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
index 4bf8ec8..f766920 100644
--- a/drivers/scsi/ufs/ufshcd-pci.c
+++ b/drivers/scsi/ufs/ufshcd-pci.c
@@ -15,13 +15,89 @@
 #include <linux/pm_runtime.h>
 #include <linux/pm_qos.h>
 #include <linux/debugfs.h>
+#include <linux/uuid.h>
+#include <linux/acpi.h>
+#include <linux/gpio/consumer.h>
+
+struct ufs_host {
+	void (*late_init)(struct ufs_hba *hba);
+};
+
+enum {
+	INTEL_DSM_FNS		=  0,
+	INTEL_DSM_RESET		=  1,
+};
 
 struct intel_host {
+	struct ufs_host ufs_host;
+	u32		dsm_fns;
 	u32		active_ltr;
 	u32		idle_ltr;
 	struct dentry	*debugfs_root;
+	struct gpio_desc *reset_gpio;
 };
 
+static const guid_t intel_dsm_guid =
+	GUID_INIT(0x1A4832A0, 0x7D03, 0x43CA,
+		  0xB0, 0x20, 0xF6, 0xDC, 0xD1, 0x2A, 0x19, 0x50);
+
+static int __intel_dsm(struct intel_host *intel_host, struct device *dev,
+		       unsigned int fn, u32 *result)
+{
+	union acpi_object *obj;
+	int err = 0;
+	size_t len;
+
+	obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &intel_dsm_guid, 0, fn, NULL);
+	if (!obj)
+		return -EOPNOTSUPP;
+
+	if (obj->type != ACPI_TYPE_BUFFER || obj->buffer.length < 1) {
+		err = -EINVAL;
+		goto out;
+	}
+
+	len = min_t(size_t, obj->buffer.length, 4);
+
+	*result = 0;
+	memcpy(result, obj->buffer.pointer, len);
+out:
+	ACPI_FREE(obj);
+
+	return err;
+}
+
+static int intel_dsm(struct intel_host *intel_host, struct device *dev,
+		     unsigned int fn, u32 *result)
+{
+	if (fn > 31 || !(intel_host->dsm_fns & (1 << fn)))
+		return -EOPNOTSUPP;
+
+	return __intel_dsm(intel_host, dev, fn, result);
+}
+
+static void intel_dsm_init(struct intel_host *intel_host, struct device *dev)
+{
+	int err;
+
+	err = __intel_dsm(intel_host, dev, INTEL_DSM_FNS, &intel_host->dsm_fns);
+	dev_dbg(dev, "DSM fns %#x, error %d\n", intel_host->dsm_fns, err);
+}
+
+static int ufs_intel_hce_enable_notify(struct ufs_hba *hba,
+				       enum ufs_notify_change_status status)
+{
+	/* Cannot enable ICE until after HC enable */
+	if (status == POST_CHANGE && hba->caps & UFSHCD_CAP_CRYPTO) {
+		u32 hce = ufshcd_readl(hba, REG_CONTROLLER_ENABLE);
+
+		hce |= CRYPTO_GENERAL_ENABLE;
+		ufshcd_writel(hba, hce, REG_CONTROLLER_ENABLE);
+	}
+
+	return 0;
+}
+
 static int ufs_intel_disable_lcc(struct ufs_hba *hba)
 {
 	u32 attr = UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE);
@@ -52,6 +128,81 @@
 	return err;
 }
 
+static int ufs_intel_set_lanes(struct ufs_hba *hba, u32 lanes)
+{
+	struct ufs_pa_layer_attr pwr_info = hba->pwr_info;
+	int ret;
+
+	pwr_info.lane_rx = lanes;
+	pwr_info.lane_tx = lanes;
+	ret = ufshcd_config_pwr_mode(hba, &pwr_info);
+	if (ret)
+		dev_err(hba->dev, "%s: Setting %u lanes, err = %d\n",
+			__func__, lanes, ret);
+	return ret;
+}
+
+static int ufs_intel_lkf_pwr_change_notify(struct ufs_hba *hba,
+				enum ufs_notify_change_status status,
+				struct ufs_pa_layer_attr *dev_max_params,
+				struct ufs_pa_layer_attr *dev_req_params)
+{
+	int err = 0;
+
+	switch (status) {
+	case PRE_CHANGE:
+		if (ufshcd_is_hs_mode(dev_max_params) &&
+		    (hba->pwr_info.lane_rx != 2 || hba->pwr_info.lane_tx != 2))
+			ufs_intel_set_lanes(hba, 2);
+		memcpy(dev_req_params, dev_max_params, sizeof(*dev_req_params));
+		break;
+	case POST_CHANGE:
+		if (ufshcd_is_hs_mode(dev_req_params)) {
+			u32 peer_granularity;
+
+			usleep_range(1000, 1250);
+			err = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_GRANULARITY),
+						  &peer_granularity);
+		}
+		break;
+	default:
+		break;
+	}
+
+	return err;
+}
+
+static int ufs_intel_lkf_apply_dev_quirks(struct ufs_hba *hba)
+{
+	u32 granularity, peer_granularity;
+	u32 pa_tactivate, peer_pa_tactivate;
+	int ret;
+
+	ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_GRANULARITY), &granularity);
+	if (ret)
+		goto out;
+
+	ret = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_GRANULARITY), &peer_granularity);
+	if (ret)
+		goto out;
+
+	ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_TACTIVATE), &pa_tactivate);
+	if (ret)
+		goto out;
+
+	ret = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_TACTIVATE), &peer_pa_tactivate);
+	if (ret)
+		goto out;
+
+	if (granularity == peer_granularity) {
+		u32 new_peer_pa_tactivate = pa_tactivate + 2;
+
+		ret = ufshcd_dme_peer_set(hba, UIC_ARG_MIB(PA_TACTIVATE), new_peer_pa_tactivate);
+	}
+out:
+	return ret;
+}
+
 #define INTEL_ACTIVELTR		0x804
 #define INTEL_IDLELTR		0x808
 
@@ -144,6 +295,41 @@
 	debugfs_remove_recursive(host->debugfs_root);
 }
 
+static int ufs_intel_device_reset(struct ufs_hba *hba)
+{
+	struct intel_host *host = ufshcd_get_variant(hba);
+
+	if (host->dsm_fns & INTEL_DSM_RESET) {
+		u32 result = 0;
+		int err;
+
+		err = intel_dsm(host, hba->dev, INTEL_DSM_RESET, &result);
+		if (!err && !result)
+			err = -EIO;
+		if (err)
+			dev_err(hba->dev, "%s: DSM error %d result %u\n",
+				__func__, err, result);
+		return err;
+	}
+
+	if (!host->reset_gpio)
+		return -EOPNOTSUPP;
+
+	gpiod_set_value_cansleep(host->reset_gpio, 1);
+	usleep_range(10, 15);
+
+	gpiod_set_value_cansleep(host->reset_gpio, 0);
+	usleep_range(10, 15);
+
+	return 0;
+}
+
+static struct gpio_desc *ufs_intel_get_reset_gpio(struct device *dev)
+{
+	/* GPIO in _DSD has active low setting */
+	return devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
+}
+
 static int ufs_intel_common_init(struct ufs_hba *hba)
 {
 	struct intel_host *host;
@@ -154,6 +340,23 @@
 	if (!host)
 		return -ENOMEM;
 	ufshcd_set_variant(hba, host);
+	intel_dsm_init(host, hba->dev);
+	if (host->dsm_fns & INTEL_DSM_RESET) {
+		if (hba->vops->device_reset)
+			hba->caps |= UFSHCD_CAP_DEEPSLEEP;
+	} else {
+		if (hba->vops->device_reset)
+			host->reset_gpio = ufs_intel_get_reset_gpio(hba->dev);
+		if (IS_ERR(host->reset_gpio)) {
+			dev_err(hba->dev, "%s: failed to get reset GPIO, error %ld\n",
+				__func__, PTR_ERR(host->reset_gpio));
+			host->reset_gpio = NULL;
+		}
+		if (host->reset_gpio) {
+			gpiod_set_value_cansleep(host->reset_gpio, 0);
+			hba->caps |= UFSHCD_CAP_DEEPSLEEP;
+		}
+	}
 	intel_ltr_expose(hba->dev);
 	intel_add_debugfs(hba);
 	return 0;
@@ -167,20 +370,6 @@
 
 static int ufs_intel_resume(struct ufs_hba *hba, enum ufs_pm_op op)
 {
-	/*
-	 * To support S4 (suspend-to-disk) with spm_lvl other than 5, the base
-	 * address registers must be restored because the restore kernel can
-	 * have used different addresses.
-	 */
-	ufshcd_writel(hba, lower_32_bits(hba->utrdl_dma_addr),
-		      REG_UTP_TRANSFER_REQ_LIST_BASE_L);
-	ufshcd_writel(hba, upper_32_bits(hba->utrdl_dma_addr),
-		      REG_UTP_TRANSFER_REQ_LIST_BASE_H);
-	ufshcd_writel(hba, lower_32_bits(hba->utmrdl_dma_addr),
-		      REG_UTP_TASK_REQ_LIST_BASE_L);
-	ufshcd_writel(hba, upper_32_bits(hba->utmrdl_dma_addr),
-		      REG_UTP_TASK_REQ_LIST_BASE_H);
-
 	if (ufshcd_is_link_hibern8(hba)) {
 		int ret = ufshcd_uic_hibern8_exit(hba);
 
@@ -206,6 +395,39 @@
 	return ufs_intel_common_init(hba);
 }
 
+static void ufs_intel_lkf_late_init(struct ufs_hba *hba)
+{
+	/* LKF always needs a full reset, so set PM accordingly */
+	if (hba->caps & UFSHCD_CAP_DEEPSLEEP) {
+		hba->spm_lvl = UFS_PM_LVL_6;
+		hba->rpm_lvl = UFS_PM_LVL_6;
+	} else {
+		hba->spm_lvl = UFS_PM_LVL_5;
+		hba->rpm_lvl = UFS_PM_LVL_5;
+	}
+}
+
+static int ufs_intel_lkf_init(struct ufs_hba *hba)
+{
+	struct ufs_host *ufs_host;
+	int err;
+
+	hba->nop_out_timeout = 200;
+	hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8;
+	hba->caps |= UFSHCD_CAP_CRYPTO;
+	err = ufs_intel_common_init(hba);
+	ufs_host = ufshcd_get_variant(hba);
+	ufs_host->late_init = ufs_intel_lkf_late_init;
+	return err;
+}
+
+static int ufs_intel_adl_init(struct ufs_hba *hba)
+{
+	hba->nop_out_timeout = 200;
+	hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8;
+	return ufs_intel_common_init(hba);
+}
+
 static struct ufs_hba_variant_ops ufs_intel_cnl_hba_vops = {
 	.name                   = "intel-pci",
 	.init			= ufs_intel_common_init,
@@ -222,70 +444,38 @@
 	.resume			= ufs_intel_resume,
 };
 
+static struct ufs_hba_variant_ops ufs_intel_lkf_hba_vops = {
+	.name                   = "intel-pci",
+	.init			= ufs_intel_lkf_init,
+	.exit			= ufs_intel_common_exit,
+	.hce_enable_notify	= ufs_intel_hce_enable_notify,
+	.link_startup_notify	= ufs_intel_link_startup_notify,
+	.pwr_change_notify	= ufs_intel_lkf_pwr_change_notify,
+	.apply_dev_quirks	= ufs_intel_lkf_apply_dev_quirks,
+	.resume			= ufs_intel_resume,
+	.device_reset		= ufs_intel_device_reset,
+};
+
+static struct ufs_hba_variant_ops ufs_intel_adl_hba_vops = {
+	.name			= "intel-pci",
+	.init			= ufs_intel_adl_init,
+	.exit			= ufs_intel_common_exit,
+	.link_startup_notify	= ufs_intel_link_startup_notify,
+	.resume			= ufs_intel_resume,
+	.device_reset		= ufs_intel_device_reset,
+};
+
 #ifdef CONFIG_PM_SLEEP
-/**
- * ufshcd_pci_suspend - suspend power management function
- * @dev: pointer to PCI device handle
- *
- * Returns 0 if successful
- * Returns non-zero otherwise
- */
-static int ufshcd_pci_suspend(struct device *dev)
-{
-	return ufshcd_system_suspend(dev_get_drvdata(dev));
-}
-
-/**
- * ufshcd_pci_resume - resume power management function
- * @dev: pointer to PCI device handle
- *
- * Returns 0 if successful
- * Returns non-zero otherwise
- */
-static int ufshcd_pci_resume(struct device *dev)
-{
-	return ufshcd_system_resume(dev_get_drvdata(dev));
-}
-
-/**
- * ufshcd_pci_poweroff - suspend-to-disk poweroff function
- * @dev: pointer to PCI device handle
- *
- * Returns 0 if successful
- * Returns non-zero otherwise
- */
-static int ufshcd_pci_poweroff(struct device *dev)
+static int ufshcd_pci_restore(struct device *dev)
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
-	int spm_lvl = hba->spm_lvl;
-	int ret;
 
-	/*
-	 * For poweroff we need to set the UFS device to PowerDown mode.
-	 * Force spm_lvl to ensure that.
-	 */
-	hba->spm_lvl = 5;
-	ret = ufshcd_system_suspend(hba);
-	hba->spm_lvl = spm_lvl;
-	return ret;
-}
+	/* Force a full reset and restore */
+	ufshcd_set_link_off(hba);
 
-#endif /* !CONFIG_PM_SLEEP */
-
-#ifdef CONFIG_PM
-static int ufshcd_pci_runtime_suspend(struct device *dev)
-{
-	return ufshcd_runtime_suspend(dev_get_drvdata(dev));
+	return ufshcd_system_resume(dev);
 }
-static int ufshcd_pci_runtime_resume(struct device *dev)
-{
-	return ufshcd_runtime_resume(dev_get_drvdata(dev));
-}
-static int ufshcd_pci_runtime_idle(struct device *dev)
-{
-	return ufshcd_runtime_idle(dev_get_drvdata(dev));
-}
-#endif /* !CONFIG_PM */
+#endif
 
 /**
  * ufshcd_pci_shutdown - main function to put the controller in reset state
@@ -321,6 +511,7 @@
 static int
 ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
+	struct ufs_host *ufs_host;
 	struct ufs_hba *hba;
 	void __iomem *mmio_base;
 	int err;
@@ -356,6 +547,10 @@
 		return err;
 	}
 
+	ufs_host = ufshcd_get_variant(hba);
+	if (ufs_host && ufs_host->late_init)
+		ufs_host->late_init(hba);
+
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_allow(&pdev->dev);
 
@@ -363,17 +558,17 @@
 }
 
 static const struct dev_pm_ops ufshcd_pci_pm_ops = {
+	SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
 #ifdef CONFIG_PM_SLEEP
-	.suspend	= ufshcd_pci_suspend,
-	.resume		= ufshcd_pci_resume,
-	.freeze		= ufshcd_pci_suspend,
-	.thaw		= ufshcd_pci_resume,
-	.poweroff	= ufshcd_pci_poweroff,
-	.restore	= ufshcd_pci_resume,
+	.suspend	= ufshcd_system_suspend,
+	.resume		= ufshcd_system_resume,
+	.freeze		= ufshcd_system_suspend,
+	.thaw		= ufshcd_system_resume,
+	.poweroff	= ufshcd_system_suspend,
+	.restore	= ufshcd_pci_restore,
+	.prepare	= ufshcd_suspend_prepare,
+	.complete	= ufshcd_resume_complete,
 #endif
-	SET_RUNTIME_PM_OPS(ufshcd_pci_runtime_suspend,
-			   ufshcd_pci_runtime_resume,
-			   ufshcd_pci_runtime_idle)
 };
 
 static const struct pci_device_id ufshcd_pci_tbl[] = {
@@ -381,6 +576,9 @@
 	{ PCI_VDEVICE(INTEL, 0x9DFA), (kernel_ulong_t)&ufs_intel_cnl_hba_vops },
 	{ PCI_VDEVICE(INTEL, 0x4B41), (kernel_ulong_t)&ufs_intel_ehl_hba_vops },
 	{ PCI_VDEVICE(INTEL, 0x4B43), (kernel_ulong_t)&ufs_intel_ehl_hba_vops },
+	{ PCI_VDEVICE(INTEL, 0x98FA), (kernel_ulong_t)&ufs_intel_lkf_hba_vops },
+	{ PCI_VDEVICE(INTEL, 0x51FF), (kernel_ulong_t)&ufs_intel_adl_hba_vops },
+	{ PCI_VDEVICE(INTEL, 0x54FF), (kernel_ulong_t)&ufs_intel_adl_hba_vops },
 	{ }	/* terminate list */
 };
 
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 576cc39..adc302b 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -122,7 +122,6 @@
 static int ufshcd_populate_vreg(struct device *dev, const char *name,
 				struct ufs_vreg **out_vreg)
 {
-	int ret = 0;
 	char prop_name[MAX_PROP_SIZE];
 	struct ufs_vreg *vreg = NULL;
 	struct device_node *np = dev->of_node;
@@ -152,29 +151,9 @@
 		dev_info(dev, "%s: unable to find %s\n", __func__, prop_name);
 		vreg->max_uA = 0;
 	}
-
-	if (!strcmp(name, "vcc")) {
-		if (of_property_read_bool(np, "vcc-supply-1p8")) {
-			vreg->min_uV = UFS_VREG_VCC_1P8_MIN_UV;
-			vreg->max_uV = UFS_VREG_VCC_1P8_MAX_UV;
-		} else {
-			vreg->min_uV = UFS_VREG_VCC_MIN_UV;
-			vreg->max_uV = UFS_VREG_VCC_MAX_UV;
-		}
-	} else if (!strcmp(name, "vccq")) {
-		vreg->min_uV = UFS_VREG_VCCQ_MIN_UV;
-		vreg->max_uV = UFS_VREG_VCCQ_MAX_UV;
-	} else if (!strcmp(name, "vccq2")) {
-		vreg->min_uV = UFS_VREG_VCCQ2_MIN_UV;
-		vreg->max_uV = UFS_VREG_VCCQ2_MAX_UV;
-	}
-
-	goto out;
-
 out:
-	if (!ret)
-		*out_vreg = vreg;
-	return ret;
+	*out_vreg = vreg;
+	return 0;
 }
 
 /**
@@ -209,53 +188,6 @@
 	return err;
 }
 
-#ifdef CONFIG_PM
-/**
- * ufshcd_pltfrm_suspend - suspend power management function
- * @dev: pointer to device handle
- *
- * Returns 0 if successful
- * Returns non-zero otherwise
- */
-int ufshcd_pltfrm_suspend(struct device *dev)
-{
-	return ufshcd_system_suspend(dev_get_drvdata(dev));
-}
-EXPORT_SYMBOL_GPL(ufshcd_pltfrm_suspend);
-
-/**
- * ufshcd_pltfrm_resume - resume power management function
- * @dev: pointer to device handle
- *
- * Returns 0 if successful
- * Returns non-zero otherwise
- */
-int ufshcd_pltfrm_resume(struct device *dev)
-{
-	return ufshcd_system_resume(dev_get_drvdata(dev));
-}
-EXPORT_SYMBOL_GPL(ufshcd_pltfrm_resume);
-
-int ufshcd_pltfrm_runtime_suspend(struct device *dev)
-{
-	return ufshcd_runtime_suspend(dev_get_drvdata(dev));
-}
-EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_suspend);
-
-int ufshcd_pltfrm_runtime_resume(struct device *dev)
-{
-	return ufshcd_runtime_resume(dev_get_drvdata(dev));
-}
-EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_resume);
-
-int ufshcd_pltfrm_runtime_idle(struct device *dev)
-{
-	return ufshcd_runtime_idle(dev_get_drvdata(dev));
-}
-EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_idle);
-
-#endif /* CONFIG_PM */
-
 void ufshcd_pltfrm_shutdown(struct platform_device *pdev)
 {
 	ufshcd_shutdown((struct ufs_hba *)platform_get_drvdata(pdev));
@@ -374,6 +306,23 @@
 }
 EXPORT_SYMBOL_GPL(ufshcd_get_pwr_dev_param);
 
+void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param)
+{
+	dev_param->tx_lanes = 2;
+	dev_param->rx_lanes = 2;
+	dev_param->hs_rx_gear = UFS_HS_G3;
+	dev_param->hs_tx_gear = UFS_HS_G3;
+	dev_param->pwm_rx_gear = UFS_PWM_G4;
+	dev_param->pwm_tx_gear = UFS_PWM_G4;
+	dev_param->rx_pwr_pwm = SLOW_MODE;
+	dev_param->tx_pwr_pwm = SLOW_MODE;
+	dev_param->rx_pwr_hs = FAST_MODE;
+	dev_param->tx_pwr_hs = FAST_MODE;
+	dev_param->hs_rate = PA_HS_MODE_B;
+	dev_param->desired_working_mode = UFS_HS_MODE;
+}
+EXPORT_SYMBOL_GPL(ufshcd_init_pwr_dev_param);
+
 /**
  * ufshcd_pltfrm_init - probe routine of the driver
  * @pdev: pointer to Platform device handle
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.h b/drivers/scsi/ufs/ufshcd-pltfrm.h
index b79cdf9..c33e28a 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.h
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.h
@@ -28,26 +28,9 @@
 int ufshcd_get_pwr_dev_param(struct ufs_dev_params *dev_param,
 			     struct ufs_pa_layer_attr *dev_max,
 			     struct ufs_pa_layer_attr *agreed_pwr);
+void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param);
 int ufshcd_pltfrm_init(struct platform_device *pdev,
 		       const struct ufs_hba_variant_ops *vops);
 void ufshcd_pltfrm_shutdown(struct platform_device *pdev);
 
-#ifdef CONFIG_PM
-
-int ufshcd_pltfrm_suspend(struct device *dev);
-int ufshcd_pltfrm_resume(struct device *dev);
-int ufshcd_pltfrm_runtime_suspend(struct device *dev);
-int ufshcd_pltfrm_runtime_resume(struct device *dev);
-int ufshcd_pltfrm_runtime_idle(struct device *dev);
-
-#else /* !CONFIG_PM */
-
-#define ufshcd_pltfrm_suspend	NULL
-#define ufshcd_pltfrm_resume	NULL
-#define ufshcd_pltfrm_runtime_suspend	NULL
-#define ufshcd_pltfrm_runtime_resume	NULL
-#define ufshcd_pltfrm_runtime_idle	NULL
-
-#endif /* CONFIG_PM */
-
 #endif /* UFSHCD_PLTFRM_H_ */
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index a432aeb..e6f44a0 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -16,23 +16,29 @@
 #include <linux/bitfield.h>
 #include <linux/blk-pm.h>
 #include <linux/blkdev.h>
+#include <scsi/scsi_driver.h>
 #include "ufshcd.h"
 #include "ufs_quirks.h"
 #include "unipro.h"
 #include "ufs-sysfs.h"
+#include "ufs-debugfs.h"
+#include "ufs-fault-injection.h"
 #include "ufs_bsg.h"
 #include "ufshcd-crypto.h"
+#include "ufshpb.h"
 #include <asm/unaligned.h>
-#include <linux/blkdev.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/ufs.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/ufshcd.h>
+
 #define UFSHCD_ENABLE_INTRS	(UTP_TRANSFER_REQ_COMPL |\
 				 UTP_TASK_REQ_COMPL |\
 				 UFSHCD_ERROR_MASK)
 /* UIC command timeout, unit: ms */
-#define UIC_CMD_TIMEOUT	500
+#define UIC_CMD_TIMEOUT	5000
 
 /* NOP OUT retries waiting for NOP IN response */
 #define NOP_OUT_RETRIES    10
@@ -59,6 +65,9 @@
 /* maximum number of reset retries before giving up */
 #define MAX_HOST_RESET_RETRIES 5
 
+/* Maximum number of error handler retries before giving up */
+#define MAX_ERR_HANDLER_RETRIES 5
+
 /* Expose the flag value from utp_upiu_query.value */
 #define MASK_QUERY_UPIU_FLAG_LOC 0xFF
 
@@ -125,19 +134,21 @@
 enum {
 	UFSHCD_MAX_CHANNEL	= 0,
 	UFSHCD_MAX_ID		= 1,
-	UFSHCD_CMD_PER_LUN	= 32,
-	UFSHCD_CAN_QUEUE	= 32,
+	UFSHCD_NUM_RESERVED	= 1,
+	UFSHCD_CMD_PER_LUN	= 32 - UFSHCD_NUM_RESERVED,
+	UFSHCD_CAN_QUEUE	= 32 - UFSHCD_NUM_RESERVED,
 };
 
-/* UFSHCD states */
-enum {
-	UFSHCD_STATE_RESET,
-	UFSHCD_STATE_ERROR,
-	UFSHCD_STATE_OPERATIONAL,
-	UFSHCD_STATE_EH_SCHEDULED_FATAL,
-	UFSHCD_STATE_EH_SCHEDULED_NON_FATAL,
+static const char *const ufshcd_state_name[] = {
+	[UFSHCD_STATE_RESET]			= "reset",
+	[UFSHCD_STATE_OPERATIONAL]		= "operational",
+	[UFSHCD_STATE_ERROR]			= "error",
+	[UFSHCD_STATE_EH_SCHEDULED_FATAL]	= "eh_fatal",
+	[UFSHCD_STATE_EH_SCHEDULED_NON_FATAL]	= "eh_non_fatal",
 };
 
+static bool system_suspending;
+
 /* UFSHCD error handling flags */
 enum {
 	UFSHCD_EH_IN_PROGRESS = (1 << 0),
@@ -162,12 +173,17 @@
 	((h)->eh_flags &= ~UFSHCD_EH_IN_PROGRESS)
 
 struct ufs_pm_lvl_states ufs_pm_lvl_states[] = {
-	{UFS_ACTIVE_PWR_MODE, UIC_LINK_ACTIVE_STATE},
-	{UFS_ACTIVE_PWR_MODE, UIC_LINK_HIBERN8_STATE},
-	{UFS_SLEEP_PWR_MODE, UIC_LINK_ACTIVE_STATE},
-	{UFS_SLEEP_PWR_MODE, UIC_LINK_HIBERN8_STATE},
-	{UFS_POWERDOWN_PWR_MODE, UIC_LINK_HIBERN8_STATE},
-	{UFS_POWERDOWN_PWR_MODE, UIC_LINK_OFF_STATE},
+	[UFS_PM_LVL_0] = {UFS_ACTIVE_PWR_MODE, UIC_LINK_ACTIVE_STATE},
+	[UFS_PM_LVL_1] = {UFS_ACTIVE_PWR_MODE, UIC_LINK_HIBERN8_STATE},
+	[UFS_PM_LVL_2] = {UFS_SLEEP_PWR_MODE, UIC_LINK_ACTIVE_STATE},
+	[UFS_PM_LVL_3] = {UFS_SLEEP_PWR_MODE, UIC_LINK_HIBERN8_STATE},
+	[UFS_PM_LVL_4] = {UFS_POWERDOWN_PWR_MODE, UIC_LINK_HIBERN8_STATE},
+	[UFS_PM_LVL_5] = {UFS_POWERDOWN_PWR_MODE, UIC_LINK_OFF_STATE},
+	/*
+	 * For DeepSleep, the link is first put in hibern8 and then off.
+	 * Leaving the link in hibern8 is not supported.
+	 */
+	[UFS_PM_LVL_6] = {UFS_DEEPSLEEP_PWR_MODE, UIC_LINK_OFF_STATE},
 };
 
 static inline enum ufs_dev_pwr_mode
@@ -201,7 +217,8 @@
 static struct ufs_dev_fix ufs_fixups[] = {
 	/* UFS cards deviations table */
 	UFS_FIX(UFS_VENDOR_MICRON, UFS_ANY_MODEL,
-		UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM),
+		UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
+		UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ),
 	UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
 		UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
 		UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE |
@@ -225,9 +242,8 @@
 static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd);
 static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);
 static void ufshcd_hba_exit(struct ufs_hba *hba);
-static int ufshcd_probe_hba(struct ufs_hba *hba, bool async);
+static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params);
 static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on);
-static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);
 static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba);
 static int ufshcd_host_reset_and_restore(struct ufs_hba *hba);
 static void ufshcd_resume_clkscaling(struct ufs_hba *hba);
@@ -237,22 +253,15 @@
 static irqreturn_t ufshcd_intr(int irq, void *__hba);
 static int ufshcd_change_power_mode(struct ufs_hba *hba,
 			     struct ufs_pa_layer_attr *pwr_mode);
-static void ufshcd_schedule_eh_work(struct ufs_hba *hba);
 static int ufshcd_setup_hba_vreg(struct ufs_hba *hba, bool on);
 static int ufshcd_setup_vreg(struct ufs_hba *hba, bool on);
 static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba,
 					 struct ufs_vreg *vreg);
 static int ufshcd_try_to_abort_task(struct ufs_hba *hba, int tag);
-static int ufshcd_wb_buf_flush_enable(struct ufs_hba *hba);
-static int ufshcd_wb_buf_flush_disable(struct ufs_hba *hba);
-static int ufshcd_wb_ctrl(struct ufs_hba *hba, bool enable);
-static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set);
+static void ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set);
 static inline void ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable);
-
-static inline bool ufshcd_valid_tag(struct ufs_hba *hba, int tag)
-{
-	return tag >= 0 && tag < hba->nutrs;
-}
+static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba);
+static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba);
 
 static inline void ufshcd_enable_irq(struct ufs_hba *hba)
 {
@@ -272,20 +281,12 @@
 
 static inline void ufshcd_wb_config(struct ufs_hba *hba)
 {
-	int ret;
-
 	if (!ufshcd_is_wb_allowed(hba))
 		return;
 
-	ret = ufshcd_wb_ctrl(hba, true);
-	if (ret)
-		dev_err(hba->dev, "%s: Enable WB failed: %d\n", __func__, ret);
-	else
-		dev_info(hba->dev, "%s: Write Booster Configured\n", __func__);
-	ret = ufshcd_wb_toggle_flush_during_h8(hba, true);
-	if (ret)
-		dev_err(hba->dev, "%s: En WB flush during H8: failed: %d\n",
-			__func__, ret);
+	ufshcd_wb_toggle(hba, true);
+
+	ufshcd_wb_toggle_flush_during_h8(hba, true);
 	if (!(hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL))
 		ufshcd_wb_toggle_flush(hba, true);
 }
@@ -303,87 +304,131 @@
 }
 
 static void ufshcd_add_cmd_upiu_trace(struct ufs_hba *hba, unsigned int tag,
-		const char *str)
+				      enum ufs_trace_str_t str_t)
 {
 	struct utp_upiu_req *rq = hba->lrb[tag].ucd_req_ptr;
+	struct utp_upiu_header *header;
 
-	trace_ufshcd_upiu(dev_name(hba->dev), str, &rq->header, &rq->sc.cdb);
+	if (!trace_ufshcd_upiu_enabled())
+		return;
+
+	if (str_t == UFS_CMD_SEND)
+		header = &rq->header;
+	else
+		header = &hba->lrb[tag].ucd_rsp_ptr->header;
+
+	trace_ufshcd_upiu(dev_name(hba->dev), str_t, header, &rq->sc.cdb,
+			  UFS_TSF_CDB);
 }
 
-static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba, unsigned int tag,
-		const char *str)
+static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba,
+					enum ufs_trace_str_t str_t,
+					struct utp_upiu_req *rq_rsp)
 {
-	struct utp_upiu_req *rq = hba->lrb[tag].ucd_req_ptr;
+	if (!trace_ufshcd_upiu_enabled())
+		return;
 
-	trace_ufshcd_upiu(dev_name(hba->dev), str, &rq->header, &rq->qr);
+	trace_ufshcd_upiu(dev_name(hba->dev), str_t, &rq_rsp->header,
+			  &rq_rsp->qr, UFS_TSF_OSF);
 }
 
+#undef EM
+#undef EMe
+#define EM(label, string)  [label] = string,
+#define EMe(label, string) [label] = string
+
+static const char *str_t_to_str[] = {
+	UFS_CMD_TRACE_STRINGS
+};
+
+#undef EMe
+#undef EM
+
 static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag,
-		const char *str)
+				     enum ufs_trace_str_t str_t)
 {
 	struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[tag];
 
-	trace_ufshcd_upiu(dev_name(hba->dev), str, &descp->req_header,
-			&descp->input_param1);
+	if (!trace_ufshcd_upiu_enabled())
+		return;
+
+	trace_android_vh_ufs_send_tm_command(hba, tag, str_t_to_str[str_t]);
+	if (str_t == UFS_TM_SEND)
+		trace_ufshcd_upiu(dev_name(hba->dev), str_t,
+				  &descp->upiu_req.req_header,
+				  &descp->upiu_req.input_param1,
+				  UFS_TSF_TM_INPUT);
+	else
+		trace_ufshcd_upiu(dev_name(hba->dev), str_t,
+				  &descp->upiu_rsp.rsp_header,
+				  &descp->upiu_rsp.output_param1,
+				  UFS_TSF_TM_OUTPUT);
 }
 
 static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,
 					 struct uic_command *ucmd,
-					 const char *str)
+					 enum ufs_trace_str_t str_t)
 {
 	u32 cmd;
 
+	trace_android_vh_ufs_send_uic_command(hba, ucmd, str_t_to_str[str_t]);
+
 	if (!trace_ufshcd_uic_command_enabled())
 		return;
 
-	if (!strcmp(str, "send"))
+	if (str_t == UFS_CMD_SEND)
 		cmd = ucmd->command;
 	else
 		cmd = ufshcd_readl(hba, REG_UIC_COMMAND);
 
-	trace_ufshcd_uic_command(dev_name(hba->dev), str, cmd,
+	trace_ufshcd_uic_command(dev_name(hba->dev), str_t, cmd,
 				 ufshcd_readl(hba, REG_UIC_COMMAND_ARG_1),
 				 ufshcd_readl(hba, REG_UIC_COMMAND_ARG_2),
 				 ufshcd_readl(hba, REG_UIC_COMMAND_ARG_3));
 }
 
-static void ufshcd_add_command_trace(struct ufs_hba *hba,
-		unsigned int tag, const char *str)
+static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
+				     enum ufs_trace_str_t str_t)
 {
-	sector_t lba = -1;
-	u8 opcode = 0;
+	u64 lba = 0;
+	u8 opcode = 0, group_id = 0;
 	u32 intr, doorbell;
 	struct ufshcd_lrb *lrbp = &hba->lrb[tag];
 	struct scsi_cmnd *cmd = lrbp->cmd;
+	struct request *rq = scsi_cmd_to_rq(cmd);
 	int transfer_len = -1;
 
-	if (!trace_ufshcd_command_enabled()) {
-		/* trace UPIU W/O tracing command */
-		if (cmd)
-			ufshcd_add_cmd_upiu_trace(hba, tag, str);
+	if (!cmd)
 		return;
-	}
 
-	if (cmd) { /* data phase exists */
-		/* trace UPIU also */
-		ufshcd_add_cmd_upiu_trace(hba, tag, str);
-		opcode = cmd->cmnd[0];
-		if ((opcode == READ_10) || (opcode == WRITE_10)) {
-			/*
-			 * Currently we only fully trace read(10) and write(10)
-			 * commands
-			 */
-			if (cmd->request && cmd->request->bio)
-				lba = cmd->request->bio->bi_iter.bi_sector;
-			transfer_len = be32_to_cpu(
-				lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
-		}
+	/* trace UPIU also */
+	ufshcd_add_cmd_upiu_trace(hba, tag, str_t);
+	if (!trace_ufshcd_command_enabled())
+		return;
+
+	opcode = cmd->cmnd[0];
+
+	if (opcode == READ_10 || opcode == WRITE_10) {
+		/*
+		 * Currently we only fully trace read(10) and write(10) commands
+		 */
+		transfer_len =
+		       be32_to_cpu(lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
+		lba = scsi_get_lba(cmd);
+		if (opcode == WRITE_10)
+			group_id = lrbp->cmd->cmnd[6];
+	} else if (opcode == UNMAP) {
+		/*
+		 * The number of Bytes to be unmapped beginning with the lba.
+		 */
+		transfer_len = blk_rq_bytes(rq);
+		lba = scsi_get_lba(cmd);
 	}
 
 	intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
 	doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
-	trace_ufshcd_command(dev_name(hba->dev), str, tag,
-				doorbell, transfer_len, intr, lba, opcode);
+	trace_ufshcd_command(dev_name(hba->dev), str_t, tag,
+			doorbell, transfer_len, intr, lba, opcode, group_id);
 }
 
 static void ufshcd_print_clk_freqs(struct ufs_hba *hba)
@@ -402,47 +447,54 @@
 	}
 }
 
-static void ufshcd_print_err_hist(struct ufs_hba *hba,
-				  struct ufs_err_reg_hist *err_hist,
-				  char *err_name)
+static void ufshcd_print_evt(struct ufs_hba *hba, u32 id,
+			     char *err_name)
 {
 	int i;
 	bool found = false;
+	struct ufs_event_hist *e;
 
-	for (i = 0; i < UFS_ERR_REG_HIST_LENGTH; i++) {
-		int p = (i + err_hist->pos) % UFS_ERR_REG_HIST_LENGTH;
+	if (id >= UFS_EVT_CNT)
+		return;
 
-		if (err_hist->tstamp[p] == 0)
+	e = &hba->ufs_stats.event[id];
+
+	for (i = 0; i < UFS_EVENT_HIST_LENGTH; i++) {
+		int p = (i + e->pos) % UFS_EVENT_HIST_LENGTH;
+
+		if (e->tstamp[p] == 0)
 			continue;
 		dev_err(hba->dev, "%s[%d] = 0x%x at %lld us\n", err_name, p,
-			err_hist->reg[p], ktime_to_us(err_hist->tstamp[p]));
+			e->val[p], ktime_to_us(e->tstamp[p]));
 		found = true;
 	}
 
 	if (!found)
 		dev_err(hba->dev, "No record of %s\n", err_name);
+	else
+		dev_err(hba->dev, "%s: total cnt=%llu\n", err_name, e->cnt);
 }
 
-static void ufshcd_print_host_regs(struct ufs_hba *hba)
+static void ufshcd_print_evt_hist(struct ufs_hba *hba)
 {
 	ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: ");
 
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.pa_err, "pa_err");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.dl_err, "dl_err");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.nl_err, "nl_err");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.tl_err, "tl_err");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.dme_err, "dme_err");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.auto_hibern8_err,
-			      "auto_hibern8_err");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.fatal_err, "fatal_err");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.link_startup_err,
-			      "link_startup_fail");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.resume_err, "resume_fail");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.suspend_err,
-			      "suspend_fail");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.dev_reset, "dev_reset");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.host_reset, "host_reset");
-	ufshcd_print_err_hist(hba, &hba->ufs_stats.task_abort, "task_abort");
+	ufshcd_print_evt(hba, UFS_EVT_PA_ERR, "pa_err");
+	ufshcd_print_evt(hba, UFS_EVT_DL_ERR, "dl_err");
+	ufshcd_print_evt(hba, UFS_EVT_NL_ERR, "nl_err");
+	ufshcd_print_evt(hba, UFS_EVT_TL_ERR, "tl_err");
+	ufshcd_print_evt(hba, UFS_EVT_DME_ERR, "dme_err");
+	ufshcd_print_evt(hba, UFS_EVT_AUTO_HIBERN8_ERR,
+			 "auto_hibern8_err");
+	ufshcd_print_evt(hba, UFS_EVT_FATAL_ERR, "fatal_err");
+	ufshcd_print_evt(hba, UFS_EVT_LINK_STARTUP_FAIL,
+			 "link_startup_fail");
+	ufshcd_print_evt(hba, UFS_EVT_RESUME_ERR, "resume_fail");
+	ufshcd_print_evt(hba, UFS_EVT_SUSPEND_ERR,
+			 "suspend_fail");
+	ufshcd_print_evt(hba, UFS_EVT_DEV_RESET, "dev_reset");
+	ufshcd_print_evt(hba, UFS_EVT_HOST_RESET, "host_reset");
+	ufshcd_print_evt(hba, UFS_EVT_ABORT, "task_abort");
 
 	ufshcd_vops_dbg_register_dump(hba);
 }
@@ -479,7 +531,7 @@
 		prdt_length = le16_to_cpu(
 			lrbp->utr_descriptor_ptr->prd_table_length);
 		if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN)
-			prdt_length /= sizeof(struct ufshcd_sg_entry);
+			prdt_length /= hba->sg_entry_size;
 
 		dev_err(hba->dev,
 			"UPIU[%d] - PRDT - %d entries  phys@0x%llx\n",
@@ -488,7 +540,7 @@
 
 		if (pr_prdt)
 			ufshcd_hex_dump("UPIU PRDT: ", lrbp->ucd_prdt_ptr,
-				sizeof(struct ufshcd_sg_entry) * prdt_length);
+				hba->sg_entry_size * prdt_length);
 	}
 }
 
@@ -557,7 +609,12 @@
 		"INVALID MODE",
 	};
 
-	dev_err(hba->dev, "%s:[RX, TX]: gear=[%d, %d], lane[%d, %d], pwr[%s, %s], rate = %d\n",
+	/*
+	 * Using dev_dbg to avoid messages during runtime PM to avoid
+	 * never-ending cycles of messages written back to storage by user space
+	 * causing runtime resume, causing more messages and so on.
+	 */
+	dev_dbg(hba->dev, "%s:[RX, TX]: gear=[%d, %d], lane[%d, %d], pwr[%s, %s], rate = %d\n",
 		 __func__,
 		 hba->pwr_info.gear_rx, hba->pwr_info.gear_tx,
 		 hba->pwr_info.lane_rx, hba->pwr_info.lane_tx,
@@ -566,6 +623,23 @@
 		 hba->pwr_info.hs_rate);
 }
 
+static void ufshcd_device_reset(struct ufs_hba *hba)
+{
+	int err;
+
+	err = ufshcd_vops_device_reset(hba);
+
+	if (!err) {
+		ufshcd_set_ufs_dev_active(hba);
+		if (ufshcd_is_wb_allowed(hba)) {
+			hba->dev_info.wb_enabled = false;
+			hba->dev_info.wb_buf_flush_enabled = false;
+		}
+	}
+	if (err != -EOPNOTSUPP)
+		ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, err);
+}
+
 void ufshcd_delay_us(unsigned long us, unsigned long tolerance)
 {
 	if (!us)
@@ -620,23 +694,12 @@
  */
 static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba)
 {
-	u32 intr_mask = 0;
+	if (hba->ufs_version == ufshci_version(1, 0))
+		return INTERRUPT_MASK_ALL_VER_10;
+	if (hba->ufs_version <= ufshci_version(2, 0))
+		return INTERRUPT_MASK_ALL_VER_11;
 
-	switch (hba->ufs_version) {
-	case UFSHCI_VERSION_10:
-		intr_mask = INTERRUPT_MASK_ALL_VER_10;
-		break;
-	case UFSHCI_VERSION_11:
-	case UFSHCI_VERSION_20:
-		intr_mask = INTERRUPT_MASK_ALL_VER_11;
-		break;
-	case UFSHCI_VERSION_21:
-	default:
-		intr_mask = INTERRUPT_MASK_ALL_VER_21;
-		break;
-	}
-
-	return intr_mask;
+	return INTERRUPT_MASK_ALL_VER_21;
 }
 
 /**
@@ -647,10 +710,22 @@
  */
 static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba)
 {
-	if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION)
-		return ufshcd_vops_get_ufs_hci_version(hba);
+	u32 ufshci_ver;
 
-	return ufshcd_readl(hba, REG_UFS_VERSION);
+	if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION)
+		ufshci_ver = ufshcd_vops_get_ufs_hci_version(hba);
+	else
+		ufshci_ver = ufshcd_readl(hba, REG_UFS_VERSION);
+
+	/*
+	 * UFSHCI v1.x uses a different version scheme, in order
+	 * to allow the use of comparisons with the ufshci_version
+	 * function, we convert it to the same scheme as ufs 2.0+.
+	 */
+	if (ufshci_ver & 0x00010000)
+		return ufshci_version(1, ufshci_ver & 0x00000100);
+
+	return ufshci_ver;
 }
 
 /**
@@ -673,23 +748,34 @@
  * This function is used to get the OCS field from UTRD
  * Returns the OCS field in the UTRD
  */
-static inline int ufshcd_get_tr_ocs(struct ufshcd_lrb *lrbp)
+static enum utp_ocs ufshcd_get_tr_ocs(struct ufshcd_lrb *lrbp)
 {
 	return le32_to_cpu(lrbp->utr_descriptor_ptr->header.dword_2) & MASK_OCS;
 }
 
 /**
- * ufshcd_utrl_clear - Clear a bit in UTRLCLR register
+ * ufshcd_utrl_clear() - Clear requests from the controller request list.
  * @hba: per adapter instance
- * @pos: position of the bit to be cleared
+ * @mask: mask with one bit set for each request to be cleared
  */
-static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 pos)
+static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 mask)
 {
 	if (hba->quirks & UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR)
-		ufshcd_writel(hba, (1 << pos), REG_UTP_TRANSFER_REQ_LIST_CLEAR);
-	else
-		ufshcd_writel(hba, ~(1 << pos),
-				REG_UTP_TRANSFER_REQ_LIST_CLEAR);
+		mask = ~mask;
+	/*
+	 * From the UFSHCI specification: "UTP Transfer Request List CLear
+	 * Register (UTRLCLR): This field is bit significant. Each bit
+	 * corresponds to a slot in the UTP Transfer Request List, where bit 0
+	 * corresponds to request slot 0. A bit in this field is set to ‘0’
+	 * by host software to indicate to the host controller that a transfer
+	 * request slot is cleared. The host controller
+	 * shall free up any resources associated to the request slot
+	 * immediately, and shall set the associated bit in UTRLDBR to ‘0’. The
+	 * host software indicates no change to request slots by setting the
+	 * associated bits in this field to ‘1’. Bits in this field shall only
+	 * be set ‘1’ or ‘0’ by host software when UTRLRSR is set to ‘1’."
+	 */
+	ufshcd_writel(hba, ~mask, REG_UTP_TRANSFER_REQ_LIST_CLEAR);
 }
 
 /**
@@ -706,16 +792,6 @@
 }
 
 /**
- * ufshcd_outstanding_req_clear - Clear a bit in outstanding request field
- * @hba: per adapter instance
- * @tag: position of the bit to be cleared
- */
-static inline void ufshcd_outstanding_req_clear(struct ufs_hba *hba, int tag)
-{
-	__clear_bit(tag, &hba->outstanding_reqs);
-}
-
-/**
  * ufshcd_get_lists_status - Check UCRDY, UTRLRDY and UTMRLRDY
  * @reg: Register value of host controller status
  *
@@ -882,8 +958,7 @@
 u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba)
 {
 	/* HCI version 1.0 and 1.1 supports UniPro 1.41 */
-	if ((hba->ufs_version == UFSHCI_VERSION_10) ||
-	    (hba->ufs_version == UFSHCI_VERSION_11))
+	if (hba->ufs_version <= ufshci_version(1, 1))
 		return UFS_UNIPRO_VER_1_41;
 	else
 		return UFS_UNIPRO_VER_1_6;
@@ -1035,13 +1110,38 @@
 	return false;
 }
 
+/*
+ * Determine the number of pending commands by counting the bits in the SCSI
+ * device budget maps. This approach has been selected because a bit is set in
+ * the budget map before scsi_host_queue_ready() checks the host_self_blocked
+ * flag. The host_self_blocked flag can be modified by calling
+ * scsi_block_requests() or scsi_unblock_requests().
+ */
+static u32 ufshcd_pending_cmds(struct ufs_hba *hba)
+{
+	struct scsi_device *sdev;
+	u32 pending = 0;
+
+	lockdep_assert_held(hba->host->host_lock);
+	__shost_for_each_device(sdev, hba->host)
+		pending += atomic_read(&sdev->device_busy);
+
+	return pending;
+}
+
+/*
+ * Wait until all pending SCSI commands and TMFs have finished or the timeout
+ * has expired.
+ *
+ * Return: 0 upon success; -EBUSY upon timeout.
+ */
 static int ufshcd_wait_for_doorbell_clr(struct ufs_hba *hba,
 					u64 wait_timeout_us)
 {
 	unsigned long flags;
 	int ret = 0;
 	u32 tm_doorbell;
-	u32 tr_doorbell;
+	u32 tr_pending;
 	bool timeout = false, do_last_check = false;
 	ktime_t start;
 
@@ -1059,8 +1159,8 @@
 		}
 
 		tm_doorbell = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL);
-		tr_doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
-		if (!tm_doorbell && !tr_doorbell) {
+		tr_pending = ufshcd_pending_cmds(hba);
+		if (!tm_doorbell && !tr_pending) {
 			timeout = false;
 			break;
 		} else if (do_last_check) {
@@ -1068,7 +1168,7 @@
 		}
 
 		spin_unlock_irqrestore(hba->host->host_lock, flags);
-		schedule();
+		io_schedule_timeout(msecs_to_jiffies(20));
 		if (ktime_to_us(ktime_sub(ktime_get(), start)) >
 		    wait_timeout_us) {
 			timeout = true;
@@ -1080,12 +1180,12 @@
 			do_last_check = true;
 		}
 		spin_lock_irqsave(hba->host->host_lock, flags);
-	} while (tm_doorbell || tr_doorbell);
+	} while (tm_doorbell || tr_pending);
 
 	if (timeout) {
 		dev_err(hba->dev,
 			"%s: timedout waiting for doorbell to clear (tm=0x%x, tr=0x%x)\n",
-			__func__, tm_doorbell, tr_doorbell);
+			__func__, tm_doorbell, tr_pending);
 		ret = -EBUSY;
 	}
 out:
@@ -1105,7 +1205,6 @@
  */
 static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)
 {
-	#define UFS_MIN_GEAR_TO_SCALE_DOWN	UFS_HS_G1
 	int ret = 0;
 	struct ufs_pa_layer_attr new_pwr_info;
 
@@ -1116,16 +1215,16 @@
 		memcpy(&new_pwr_info, &hba->pwr_info,
 		       sizeof(struct ufs_pa_layer_attr));
 
-		if (hba->pwr_info.gear_tx > UFS_MIN_GEAR_TO_SCALE_DOWN
-		    || hba->pwr_info.gear_rx > UFS_MIN_GEAR_TO_SCALE_DOWN) {
+		if (hba->pwr_info.gear_tx > hba->clk_scaling.min_gear ||
+		    hba->pwr_info.gear_rx > hba->clk_scaling.min_gear) {
 			/* save the current power mode */
 			memcpy(&hba->clk_scaling.saved_pwr_info.info,
 				&hba->pwr_info,
 				sizeof(struct ufs_pa_layer_attr));
 
 			/* scale down gear */
-			new_pwr_info.gear_tx = UFS_MIN_GEAR_TO_SCALE_DOWN;
-			new_pwr_info.gear_rx = UFS_MIN_GEAR_TO_SCALE_DOWN;
+			new_pwr_info.gear_tx = hba->clk_scaling.min_gear;
+			new_pwr_info.gear_rx = hba->clk_scaling.min_gear;
 		}
 	}
 
@@ -1140,9 +1239,14 @@
 	return ret;
 }
 
-static int ufshcd_clock_scaling_prepare(struct ufs_hba *hba)
+/*
+ * Wait until all pending SCSI commands and TMFs have finished or the timeout
+ * has expired.
+ *
+ * Return: 0 upon success; -EBUSY upon timeout.
+ */
+static int ufshcd_clock_scaling_prepare(struct ufs_hba *hba, u64 timeout_us)
 {
-	#define DOORBELL_CLR_TOUT_US		(1000 * 1000) /* 1 sec */
 	int ret = 0;
 	/*
 	 * make sure that there are no outstanding requests when
@@ -1150,19 +1254,29 @@
 	 */
 	ufshcd_scsi_block_requests(hba);
 	down_write(&hba->clk_scaling_lock);
-	if (ufshcd_wait_for_doorbell_clr(hba, DOORBELL_CLR_TOUT_US)) {
+
+	if (ufshcd_wait_for_doorbell_clr(hba, timeout_us)) {
 		ret = -EBUSY;
 		up_write(&hba->clk_scaling_lock);
 		ufshcd_scsi_unblock_requests(hba);
+		goto out;
 	}
 
+	/* let's not get into low power until clock scaling is completed */
+	ufshcd_hold(hba, false);
+
+out:
 	return ret;
 }
 
-static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba)
+static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba, bool writelock)
 {
-	up_write(&hba->clk_scaling_lock);
+	if (writelock)
+		up_write(&hba->clk_scaling_lock);
+	else
+		up_read(&hba->clk_scaling_lock);
 	ufshcd_scsi_unblock_requests(hba);
+	ufshcd_release(hba);
 }
 
 /**
@@ -1177,13 +1291,19 @@
 static int ufshcd_devfreq_scale(struct ufs_hba *hba, bool scale_up)
 {
 	int ret = 0;
+	bool is_writelock = true;
 
-	/* let's not get into low power until clock scaling is completed */
-	ufshcd_hold(hba, false);
+	if (!hba->clk_scaling.is_allowed)
+		return -EBUSY;
 
-	ret = ufshcd_clock_scaling_prepare(hba);
+	ret = ufshcd_clock_scaling_prepare(hba, 1 * USEC_PER_SEC);
 	if (ret)
-		goto out;
+		return ret;
+
+	if (!hba->clk_scaling.is_allowed) {
+		ret = -EBUSY;
+		goto out_unprepare;
+	}
 
 	/* scale down the gear before scaling down clocks */
 	if (!scale_up) {
@@ -1209,14 +1329,12 @@
 	}
 
 	/* Enable Write Booster if we have scaled up else disable it */
-	up_write(&hba->clk_scaling_lock);
-	ufshcd_wb_ctrl(hba, scale_up);
-	down_write(&hba->clk_scaling_lock);
+	downgrade_write(&hba->clk_scaling_lock);
+	is_writelock = false;
+	ufshcd_wb_toggle(hba, scale_up);
 
 out_unprepare:
-	ufshcd_clock_scaling_unprepare(hba);
-out:
-	ufshcd_release(hba);
+	ufshcd_clock_scaling_unprepare(hba, is_writelock);
 	return ret;
 }
 
@@ -1264,6 +1382,8 @@
 	struct list_head *clk_list = &hba->clk_list_head;
 	struct ufs_clk_info *clki;
 	unsigned long irq_flags;
+	bool force_out = false;
+	bool force_scaling = false;
 
 	if (!ufshcd_is_clkscaling_supported(hba))
 		return -EINVAL;
@@ -1289,23 +1409,19 @@
 	scale_up = (*freq == clki->max_freq) ? true : false;
 	if (!scale_up)
 		*freq = clki->min_freq;
+
+	trace_android_vh_ufs_clock_scaling(hba, &force_out, &force_scaling, &scale_up);
+
 	/* Update the frequency */
-	if (!ufshcd_is_devfreq_scaling_required(hba, scale_up)) {
+	if (force_out || (!force_scaling && !ufshcd_is_devfreq_scaling_required(hba, scale_up))) {
 		spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
 		ret = 0;
 		goto out; /* no state change required */
 	}
 	spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
 
-	pm_runtime_get_noresume(hba->dev);
-	if (!pm_runtime_active(hba->dev)) {
-		pm_runtime_put_noidle(hba->dev);
-		ret = -EAGAIN;
-		goto out;
-	}
 	start = ktime_get();
 	ret = ufshcd_devfreq_scale(hba, scale_up);
-	pm_runtime_put(hba->dev);
 
 	trace_ufshcd_profile_clk_scaling(dev_name(hba->dev),
 		(scale_up ? "up" : "down"),
@@ -1319,25 +1435,6 @@
 	return ret;
 }
 
-static bool ufshcd_is_busy(struct request *req, void *priv, bool reserved)
-{
-	int *busy = priv;
-
-	WARN_ON_ONCE(reserved);
-	(*busy)++;
-	return false;
-}
-
-/* Whether or not any tag is in use by a request that is in progress. */
-static bool ufshcd_any_tag_in_use(struct ufs_hba *hba)
-{
-	struct request_queue *q = hba->cmd_queue;
-	int busy = 0;
-
-	blk_mq_tagset_busy_iter(q->tag_set, ufshcd_is_busy, &busy);
-	return busy;
-}
-
 static int ufshcd_devfreq_get_dev_status(struct device *dev,
 		struct devfreq_dev_status *stat)
 {
@@ -1452,8 +1549,8 @@
 	unsigned long flags;
 	bool suspend = false;
 
-	if (!ufshcd_is_clkscaling_supported(hba))
-		return;
+	cancel_work_sync(&hba->clk_scaling.suspend_work);
+	cancel_work_sync(&hba->clk_scaling.resume_work);
 
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (!hba->clk_scaling.is_suspended) {
@@ -1471,9 +1568,6 @@
 	unsigned long flags;
 	bool resume = false;
 
-	if (!ufshcd_is_clkscaling_supported(hba))
-		return;
-
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (hba->clk_scaling.is_suspended) {
 		resume = true;
@@ -1490,7 +1584,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", hba->clk_scaling.is_allowed);
+	return sysfs_emit(buf, "%d\n", hba->clk_scaling.is_enabled);
 }
 
 static ssize_t ufshcd_clkscale_enable_store(struct device *dev,
@@ -1498,22 +1592,25 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 	u32 value;
-	int err;
+	int err = 0;
 
 	if (kstrtou32(buf, 0, &value))
 		return -EINVAL;
 
+	down(&hba->host_sem);
+	if (!ufshcd_is_user_access_allowed(hba)) {
+		err = -EBUSY;
+		goto out;
+	}
+
 	value = !!value;
-	if (value == hba->clk_scaling.is_allowed)
+	if (value == hba->clk_scaling.is_enabled)
 		goto out;
 
-	pm_runtime_get_sync(hba->dev);
+	ufshcd_rpm_get_sync(hba);
 	ufshcd_hold(hba, false);
 
-	cancel_work_sync(&hba->clk_scaling.suspend_work);
-	cancel_work_sync(&hba->clk_scaling.resume_work);
-
-	hba->clk_scaling.is_allowed = value;
+	hba->clk_scaling.is_enabled = value;
 
 	if (value) {
 		ufshcd_resume_clkscaling(hba);
@@ -1526,12 +1623,13 @@
 	}
 
 	ufshcd_release(hba);
-	pm_runtime_put_sync(hba->dev);
+	ufshcd_rpm_put_sync(hba);
 out:
-	return count;
+	up(&hba->host_sem);
+	return err ? err : count;
 }
 
-static void ufshcd_clkscaling_init_sysfs(struct ufs_hba *hba)
+static void ufshcd_init_clk_scaling_sysfs(struct ufs_hba *hba)
 {
 	hba->clk_scaling.enable_attr.show = ufshcd_clkscale_enable_show;
 	hba->clk_scaling.enable_attr.store = ufshcd_clkscale_enable_store;
@@ -1542,6 +1640,45 @@
 		dev_err(hba->dev, "Failed to create sysfs for clkscale_enable\n");
 }
 
+static void ufshcd_remove_clk_scaling_sysfs(struct ufs_hba *hba)
+{
+	if (hba->clk_scaling.enable_attr.attr.name)
+		device_remove_file(hba->dev, &hba->clk_scaling.enable_attr);
+}
+
+static void ufshcd_init_clk_scaling(struct ufs_hba *hba)
+{
+	char wq_name[sizeof("ufs_clkscaling_00")];
+
+	if (!ufshcd_is_clkscaling_supported(hba))
+		return;
+
+	if (!hba->clk_scaling.min_gear)
+		hba->clk_scaling.min_gear = UFS_HS_G1;
+
+	INIT_WORK(&hba->clk_scaling.suspend_work,
+		  ufshcd_clk_scaling_suspend_work);
+	INIT_WORK(&hba->clk_scaling.resume_work,
+		  ufshcd_clk_scaling_resume_work);
+
+	snprintf(wq_name, sizeof(wq_name), "ufs_clkscaling_%d",
+		 hba->host->host_no);
+	hba->clk_scaling.workq = create_singlethread_workqueue(wq_name);
+
+	hba->clk_scaling.is_initialized = true;
+}
+
+static void ufshcd_exit_clk_scaling(struct ufs_hba *hba)
+{
+	if (!hba->clk_scaling.is_initialized)
+		return;
+
+	ufshcd_remove_clk_scaling_sysfs(hba);
+	destroy_workqueue(hba->clk_scaling.workq);
+	ufshcd_devfreq_remove(hba);
+	hba->clk_scaling.is_initialized = false;
+}
+
 static void ufshcd_ungate_work(struct work_struct *work)
 {
 	int ret;
@@ -1558,6 +1695,7 @@
 	}
 
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
+	ufshcd_hba_vreg_set_hpm(hba);
 	ufshcd_setup_clocks(hba, true);
 
 	ufshcd_enable_irq(hba);
@@ -1580,6 +1718,26 @@
 	ufshcd_scsi_unblock_requests(hba);
 }
 
+/*
+ * Block processing of new SCSI commands and wait until pending SCSI
+ * commands and TMFs have finished. ufshcd_exec_dev_cmd() and
+ * ufshcd_issue_devman_upiu_cmd() are not affected by this function.
+ *
+ * Return: 0 upon success; -EBUSY upon timeout.
+ */
+int ufshcd_freeze_scsi_devs(struct ufs_hba *hba, u64 timeout_us)
+{
+	return ufshcd_clock_scaling_prepare(hba, timeout_us);
+}
+EXPORT_SYMBOL_GPL(ufshcd_freeze_scsi_devs);
+
+/* Resume processing of SCSI commands. */
+void ufshcd_unfreeze_scsi_devs(struct ufs_hba *hba)
+{
+	ufshcd_clock_scaling_unprepare(hba, true);
+}
+EXPORT_SYMBOL_GPL(ufshcd_unfreeze_scsi_devs);
+
 /**
  * ufshcd_hold - Enable clocks that were gated earlier due to ufshcd_release.
  * Also, exit from hibern8 mode and set the link as active.
@@ -1592,7 +1750,8 @@
 	bool flush_result;
 	unsigned long flags;
 
-	if (!ufshcd_is_clkgating_allowed(hba))
+	if (!ufshcd_is_clkgating_allowed(hba) ||
+	    !hba->clk_gating.is_initialized)
 		goto out;
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	hba->clk_gating.active_reqs++;
@@ -1695,7 +1854,7 @@
 
 	if (hba->clk_gating.active_reqs
 		|| hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL
-		|| ufshcd_any_tag_in_use(hba) || hba->outstanding_tasks
+		|| hba->outstanding_reqs || hba->outstanding_tasks
 		|| hba->active_uic_cmd || hba->uic_async_done)
 		goto rel_lock;
 
@@ -1719,6 +1878,8 @@
 
 	ufshcd_setup_clocks(hba, false);
 
+	/* Put the host controller in low power mode if possible */
+	ufshcd_hba_vreg_set_lpm(hba);
 	/*
 	 * In case you are here to cancel this work the gating state
 	 * would be marked as REQ_CLKS_ON. In this case keep the state
@@ -1750,7 +1911,7 @@
 
 	if (hba->clk_gating.active_reqs || hba->clk_gating.is_suspended ||
 	    hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL ||
-	    hba->outstanding_tasks ||
+	    hba->outstanding_tasks || !hba->clk_gating.is_initialized ||
 	    hba->active_uic_cmd || hba->uic_async_done ||
 	    hba->clk_gating.state == CLKS_OFF)
 		return;
@@ -1777,7 +1938,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return snprintf(buf, PAGE_SIZE, "%lu\n", hba->clk_gating.delay_ms);
+	return sysfs_emit(buf, "%lu\n", hba->clk_gating.delay_ms);
 }
 
 static ssize_t ufshcd_clkgate_delay_store(struct device *dev,
@@ -1800,7 +1961,7 @@
 {
 	struct ufs_hba *hba = dev_get_drvdata(dev);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", hba->clk_gating.is_enabled);
+	return sysfs_emit(buf, "%d\n", hba->clk_gating.is_enabled);
 }
 
 static ssize_t ufshcd_clkgate_enable_store(struct device *dev,
@@ -1814,48 +1975,47 @@
 		return -EINVAL;
 
 	value = !!value;
+
+	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (value == hba->clk_gating.is_enabled)
 		goto out;
 
-	if (value) {
-		ufshcd_release(hba);
-	} else {
-		spin_lock_irqsave(hba->host->host_lock, flags);
+	if (value)
+		__ufshcd_release(hba);
+	else
 		hba->clk_gating.active_reqs++;
-		spin_unlock_irqrestore(hba->host->host_lock, flags);
-	}
 
 	hba->clk_gating.is_enabled = value;
 out:
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
 	return count;
 }
 
-static void ufshcd_init_clk_scaling(struct ufs_hba *hba)
+static void ufshcd_init_clk_gating_sysfs(struct ufs_hba *hba)
 {
-	char wq_name[sizeof("ufs_clkscaling_00")];
+	hba->clk_gating.delay_attr.show = ufshcd_clkgate_delay_show;
+	hba->clk_gating.delay_attr.store = ufshcd_clkgate_delay_store;
+	sysfs_attr_init(&hba->clk_gating.delay_attr.attr);
+	hba->clk_gating.delay_attr.attr.name = "clkgate_delay_ms";
+	hba->clk_gating.delay_attr.attr.mode = 0644;
+	if (device_create_file(hba->dev, &hba->clk_gating.delay_attr))
+		dev_err(hba->dev, "Failed to create sysfs for clkgate_delay\n");
 
-	if (!ufshcd_is_clkscaling_supported(hba))
-		return;
-
-	INIT_WORK(&hba->clk_scaling.suspend_work,
-		  ufshcd_clk_scaling_suspend_work);
-	INIT_WORK(&hba->clk_scaling.resume_work,
-		  ufshcd_clk_scaling_resume_work);
-
-	snprintf(wq_name, sizeof(wq_name), "ufs_clkscaling_%d",
-		 hba->host->host_no);
-	hba->clk_scaling.workq = create_singlethread_workqueue(wq_name);
-
-	ufshcd_clkscaling_init_sysfs(hba);
+	hba->clk_gating.enable_attr.show = ufshcd_clkgate_enable_show;
+	hba->clk_gating.enable_attr.store = ufshcd_clkgate_enable_store;
+	sysfs_attr_init(&hba->clk_gating.enable_attr.attr);
+	hba->clk_gating.enable_attr.attr.name = "clkgate_enable";
+	hba->clk_gating.enable_attr.attr.mode = 0644;
+	if (device_create_file(hba->dev, &hba->clk_gating.enable_attr))
+		dev_err(hba->dev, "Failed to create sysfs for clkgate_enable\n");
 }
 
-static void ufshcd_exit_clk_scaling(struct ufs_hba *hba)
+static void ufshcd_remove_clk_gating_sysfs(struct ufs_hba *hba)
 {
-	if (!ufshcd_is_clkscaling_supported(hba))
-		return;
-
-	destroy_workqueue(hba->clk_scaling.workq);
-	ufshcd_devfreq_remove(hba);
+	if (hba->clk_gating.delay_attr.attr.name)
+		device_remove_file(hba->dev, &hba->clk_gating.delay_attr);
+	if (hba->clk_gating.enable_attr.attr.name)
+		device_remove_file(hba->dev, &hba->clk_gating.enable_attr);
 }
 
 static void ufshcd_init_clk_gating(struct ufs_hba *hba)
@@ -1874,35 +2034,26 @@
 	snprintf(wq_name, ARRAY_SIZE(wq_name), "ufs_clk_gating_%d",
 		 hba->host->host_no);
 	hba->clk_gating.clk_gating_workq = alloc_ordered_workqueue(wq_name,
-							   WQ_MEM_RECLAIM);
+					WQ_MEM_RECLAIM | WQ_HIGHPRI);
+
+	ufshcd_init_clk_gating_sysfs(hba);
 
 	hba->clk_gating.is_enabled = true;
-
-	hba->clk_gating.delay_attr.show = ufshcd_clkgate_delay_show;
-	hba->clk_gating.delay_attr.store = ufshcd_clkgate_delay_store;
-	sysfs_attr_init(&hba->clk_gating.delay_attr.attr);
-	hba->clk_gating.delay_attr.attr.name = "clkgate_delay_ms";
-	hba->clk_gating.delay_attr.attr.mode = 0644;
-	if (device_create_file(hba->dev, &hba->clk_gating.delay_attr))
-		dev_err(hba->dev, "Failed to create sysfs for clkgate_delay\n");
-
-	hba->clk_gating.enable_attr.show = ufshcd_clkgate_enable_show;
-	hba->clk_gating.enable_attr.store = ufshcd_clkgate_enable_store;
-	sysfs_attr_init(&hba->clk_gating.enable_attr.attr);
-	hba->clk_gating.enable_attr.attr.name = "clkgate_enable";
-	hba->clk_gating.enable_attr.attr.mode = 0644;
-	if (device_create_file(hba->dev, &hba->clk_gating.enable_attr))
-		dev_err(hba->dev, "Failed to create sysfs for clkgate_enable\n");
+	hba->clk_gating.is_initialized = true;
 }
 
 static void ufshcd_exit_clk_gating(struct ufs_hba *hba)
 {
-	if (!ufshcd_is_clkgating_allowed(hba))
+	if (!hba->clk_gating.is_initialized)
 		return;
-	device_remove_file(hba->dev, &hba->clk_gating.delay_attr);
-	device_remove_file(hba->dev, &hba->clk_gating.enable_attr);
-	cancel_work_sync(&hba->clk_gating.ungate_work);
-	cancel_delayed_work_sync(&hba->clk_gating.gate_work);
+
+	ufshcd_remove_clk_gating_sysfs(hba);
+
+	/* Ungate the clock if necessary. */
+	ufshcd_hold(hba, false);
+	hba->clk_gating.is_initialized = false;
+	ufshcd_release(hba);
+
 	destroy_workqueue(hba->clk_gating.clk_gating_workq);
 }
 
@@ -1911,15 +2062,19 @@
 {
 	bool queue_resume_work = false;
 	ktime_t curr_t = ktime_get();
+	unsigned long flags;
 
 	if (!ufshcd_is_clkscaling_supported(hba))
 		return;
 
+	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (!hba->clk_scaling.active_reqs++)
 		queue_resume_work = true;
 
-	if (!hba->clk_scaling.is_allowed || hba->pm_op_in_progress)
+	if (!hba->clk_scaling.is_enabled || hba->pm_op_in_progress) {
+		spin_unlock_irqrestore(hba->host->host_lock, flags);
 		return;
+	}
 
 	if (queue_resume_work)
 		queue_work(hba->clk_scaling.workq,
@@ -1935,22 +2090,91 @@
 		hba->clk_scaling.busy_start_t = curr_t;
 		hba->clk_scaling.is_busy_started = true;
 	}
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
 }
 
 static void ufshcd_clk_scaling_update_busy(struct ufs_hba *hba)
 {
 	struct ufs_clk_scaling *scaling = &hba->clk_scaling;
+	unsigned long flags;
 
 	if (!ufshcd_is_clkscaling_supported(hba))
 		return;
 
+	spin_lock_irqsave(hba->host->host_lock, flags);
+	hba->clk_scaling.active_reqs--;
 	if (!hba->outstanding_reqs && scaling->is_busy_started) {
 		scaling->tot_busy_t += ktime_to_us(ktime_sub(ktime_get(),
 					scaling->busy_start_t));
 		scaling->busy_start_t = 0;
 		scaling->is_busy_started = false;
 	}
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
 }
+
+static inline int ufshcd_monitor_opcode2dir(u8 opcode)
+{
+	if (opcode == READ_6 || opcode == READ_10 || opcode == READ_16)
+		return READ;
+	else if (opcode == WRITE_6 || opcode == WRITE_10 || opcode == WRITE_16)
+		return WRITE;
+	else
+		return -EINVAL;
+}
+
+static inline bool ufshcd_should_inform_monitor(struct ufs_hba *hba,
+						struct ufshcd_lrb *lrbp)
+{
+	struct ufs_hba_monitor *m = &hba->monitor;
+
+	return (m->enabled && lrbp && lrbp->cmd &&
+		(!m->chunk_size || m->chunk_size == lrbp->cmd->sdb.length) &&
+		ktime_before(hba->monitor.enabled_ts, lrbp->issue_time_stamp));
+}
+
+static void ufshcd_start_monitor(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+	int dir = ufshcd_monitor_opcode2dir(*lrbp->cmd->cmnd);
+	unsigned long flags;
+
+	spin_lock_irqsave(hba->host->host_lock, flags);
+	if (dir >= 0 && hba->monitor.nr_queued[dir]++ == 0)
+		hba->monitor.busy_start_ts[dir] = ktime_get();
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
+}
+
+static void ufshcd_update_monitor(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+	int dir = ufshcd_monitor_opcode2dir(*lrbp->cmd->cmnd);
+	unsigned long flags;
+
+	spin_lock_irqsave(hba->host->host_lock, flags);
+	if (dir >= 0 && hba->monitor.nr_queued[dir] > 0) {
+		struct request *req = scsi_cmd_to_rq(lrbp->cmd);
+		struct ufs_hba_monitor *m = &hba->monitor;
+		ktime_t now, inc, lat;
+
+		now = lrbp->compl_time_stamp;
+		inc = ktime_sub(now, m->busy_start_ts[dir]);
+		m->total_busy[dir] = ktime_add(m->total_busy[dir], inc);
+		m->nr_sec_rw[dir] += blk_rq_sectors(req);
+
+		/* Update latencies */
+		m->nr_req[dir]++;
+		lat = ktime_sub(now, lrbp->issue_time_stamp);
+		m->lat_sum[dir] += lat;
+		if (m->lat_max[dir] < lat || !m->lat_max[dir])
+			m->lat_max[dir] = lat;
+		if (m->lat_min[dir] > lat || !m->lat_min[dir])
+			m->lat_min[dir] = lat;
+
+		m->nr_queued[dir]--;
+		/* Push forward the busy start of monitor */
+		m->busy_start_ts[dir] = now;
+	}
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
+}
+
 /**
  * ufshcd_send_command - Send SCSI or device management commands
  * @hba: per adapter instance
@@ -1960,14 +2184,23 @@
 void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag)
 {
 	struct ufshcd_lrb *lrbp = &hba->lrb[task_tag];
+	unsigned long flags;
 
 	lrbp->issue_time_stamp = ktime_get();
 	lrbp->compl_time_stamp = ktime_set(0, 0);
-	ufshcd_vops_setup_xfer_req(hba, task_tag, (lrbp->cmd ? true : false));
-	ufshcd_add_command_trace(hba, task_tag, "send");
+	trace_android_vh_ufs_send_command(hba, lrbp);
+	ufshcd_add_command_trace(hba, task_tag, UFS_CMD_SEND);
 	ufshcd_clk_scaling_start_busy(hba);
+	if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
+		ufshcd_start_monitor(hba, lrbp);
+
+	spin_lock_irqsave(&hba->outstanding_lock, flags);
+	if (hba->vops && hba->vops->setup_xfer_req)
+		hba->vops->setup_xfer_req(hba, task_tag, !!lrbp->cmd);
 	__set_bit(task_tag, &hba->outstanding_reqs);
 	ufshcd_writel(hba, 1 << task_tag, REG_UTP_TRANSFER_REQ_DOOR_BELL);
+	spin_unlock_irqrestore(&hba->outstanding_lock, flags);
+
 	/* Make sure that doorbell is committed immediately */
 	wmb();
 }
@@ -2046,6 +2279,7 @@
 	hba->nutrs = (hba->capabilities & MASK_TRANSFER_REQUESTS_SLOTS) + 1;
 	hba->nutmrs =
 	((hba->capabilities & MASK_TASK_MANAGEMENT_REQUEST_SLOTS) >> 16) + 1;
+	hba->reserved_slot = hba->nutrs - 1;
 
 	/* Read crypto capabilities */
 	err = ufshcd_hba_init_crypto_capabilities(hba);
@@ -2082,15 +2316,15 @@
 }
 
 /**
- * ufshcd_dispatch_uic_cmd - Dispatch UIC commands to unipro layers
+ * ufshcd_dispatch_uic_cmd - Dispatch an UIC command to the Unipro layer
  * @hba: per adapter instance
  * @uic_cmd: UIC command
- *
- * Mutex must be held.
  */
 static inline void
 ufshcd_dispatch_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
 {
+	lockdep_assert_held(&hba->uic_cmd_mutex);
+
 	WARN_ON(hba->active_uic_cmd);
 
 	hba->active_uic_cmd = uic_cmd;
@@ -2100,7 +2334,7 @@
 	ufshcd_writel(hba, uic_cmd->argument2, REG_UIC_COMMAND_ARG_2);
 	ufshcd_writel(hba, uic_cmd->argument3, REG_UIC_COMMAND_ARG_3);
 
-	ufshcd_add_uic_command_trace(hba, uic_cmd, "send");
+	ufshcd_add_uic_command_trace(hba, uic_cmd, UFS_CMD_SEND);
 
 	/* Write UIC Cmd */
 	ufshcd_writel(hba, uic_cmd->command & COMMAND_OPCODE_MASK,
@@ -2108,11 +2342,10 @@
 }
 
 /**
- * ufshcd_wait_for_uic_cmd - Wait complectioin of UIC command
+ * ufshcd_wait_for_uic_cmd - Wait for completion of an UIC command
  * @hba: per adapter instance
  * @uic_cmd: UIC command
  *
- * Must be called with mutex held.
  * Returns 0 only if success.
  */
 static int
@@ -2121,6 +2354,8 @@
 	int ret;
 	unsigned long flags;
 
+	lockdep_assert_held(&hba->uic_cmd_mutex);
+
 	if (wait_for_completion_timeout(&uic_cmd->done,
 					msecs_to_jiffies(UIC_CMD_TIMEOUT))) {
 		ret = uic_cmd->argument2 & MASK_UIC_COMMAND_RESULT;
@@ -2150,14 +2385,15 @@
  * @uic_cmd: UIC command
  * @completion: initialize the completion only if this is set to true
  *
- * Identical to ufshcd_send_uic_cmd() expect mutex. Must be called
- * with mutex held and host_lock locked.
  * Returns 0 only if success.
  */
 static int
 __ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd,
 		      bool completion)
 {
+	lockdep_assert_held(&hba->uic_cmd_mutex);
+	lockdep_assert_held(hba->host->host_lock);
+
 	if (!ufshcd_ready_for_uic_cmd(hba)) {
 		dev_err(hba->dev,
 			"Controller not ready to accept UIC commands\n");
@@ -2185,6 +2421,9 @@
 	int ret;
 	unsigned long flags;
 
+	if (hba->quirks & UFSHCD_QUIRK_BROKEN_UIC_CMD)
+		return 0;
+
 	ufshcd_hold(hba, false);
 	mutex_lock(&hba->uic_cmd_mutex);
 	ufshcd_add_delay_before_dme_cmd(hba);
@@ -2210,11 +2449,12 @@
  */
 static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 {
-	struct ufshcd_sg_entry *prd_table;
+	struct ufshcd_sg_entry *prd;
 	struct scatterlist *sg;
 	struct scsi_cmnd *cmd;
 	int sg_segments;
 	int i;
+	int err;
 
 	cmd = lrbp->cmd;
 	sg_segments = scsi_dma_map(cmd);
@@ -2225,28 +2465,37 @@
 
 		if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN)
 			lrbp->utr_descriptor_ptr->prd_table_length =
-				cpu_to_le16((sg_segments *
-					sizeof(struct ufshcd_sg_entry)));
+				cpu_to_le16(sg_segments * hba->sg_entry_size);
 		else
 			lrbp->utr_descriptor_ptr->prd_table_length =
-				cpu_to_le16((u16) (sg_segments));
+				cpu_to_le16(sg_segments);
 
-		prd_table = (struct ufshcd_sg_entry *)lrbp->ucd_prdt_ptr;
+		prd = lrbp->ucd_prdt_ptr;
 
 		scsi_for_each_sg(cmd, sg, sg_segments, i) {
-			prd_table[i].size  =
-				cpu_to_le32(((u32) sg_dma_len(sg))-1);
-			prd_table[i].base_addr =
-				cpu_to_le32(lower_32_bits(sg->dma_address));
-			prd_table[i].upper_addr =
-				cpu_to_le32(upper_32_bits(sg->dma_address));
-			prd_table[i].reserved = 0;
+			const unsigned int len = sg_dma_len(sg);
+
+			/*
+			 * From the UFSHCI spec: "Data Byte Count (DBC): A '0'
+			 * based value that indicates the length, in bytes, of
+			 * the data block. A maximum of length of 256KB may
+			 * exist for any entry. Bits 1:0 of this field shall be
+			 * 11b to indicate Dword granularity. A value of '3'
+			 * indicates 4 bytes, '7' indicates 8 bytes, etc."
+			 */
+			WARN_ONCE(len > 256 * 1024, "len = %#x\n", len);
+			prd->size = cpu_to_le32(len - 1);
+			prd->addr = cpu_to_le64(sg->dma_address);
+			prd->reserved = 0;
+			prd = (void *)prd + hba->sg_entry_size;
 		}
 	} else {
 		lrbp->utr_descriptor_ptr->prd_table_length = 0;
 	}
 
-	return 0;
+	err = 0;
+	trace_android_vh_ufs_fill_prdt(hba, lrbp, sg_segments, &err);
+	return err;
 }
 
 /**
@@ -2258,7 +2507,7 @@
 {
 	u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 
-	if (hba->ufs_version == UFSHCI_VERSION_10) {
+	if (hba->ufs_version == ufshci_version(1, 0)) {
 		u32 rw;
 		rw = set & INTERRUPT_MASK_RW_VER_10;
 		set = rw | ((set ^ intrs) & intrs);
@@ -2278,7 +2527,7 @@
 {
 	u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 
-	if (hba->ufs_version == UFSHCI_VERSION_10) {
+	if (hba->ufs_version == ufshci_version(1, 0)) {
 		u32 rw;
 		rw = (set & INTERRUPT_MASK_RW_VER_10) &
 			~(intrs & INTERRUPT_MASK_RW_VER_10);
@@ -2441,8 +2690,7 @@
 	u8 upiu_flags;
 	int ret = 0;
 
-	if ((hba->ufs_version == UFSHCI_VERSION_10) ||
-	    (hba->ufs_version == UFSHCI_VERSION_11))
+	if (hba->ufs_version <= ufshci_version(1, 1))
 		lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
 	else
 		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
@@ -2469,8 +2717,7 @@
 	u8 upiu_flags;
 	int ret = 0;
 
-	if ((hba->ufs_version == UFSHCI_VERSION_10) ||
-	    (hba->ufs_version == UFSHCI_VERSION_11))
+	if (hba->ufs_version <= ufshci_version(1, 1))
 		lrbp->command_type = UTP_CMD_TYPE_SCSI;
 	else
 		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
@@ -2497,12 +2744,49 @@
 	return (upiu_wlun_id & ~UFS_UPIU_WLUN_ID) | SCSI_W_LUN_BASE;
 }
 
+static inline bool is_device_wlun(struct scsi_device *sdev)
+{
+	return sdev->lun ==
+		ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_UFS_DEVICE_WLUN);
+}
+
+/*
+ * Associate the UFS controller queue with the default and poll HCTX types.
+ * Initialize the mq_map[] arrays.
+ */
+static int ufshcd_map_queues(struct Scsi_Host *shost)
+{
+	int i, ret;
+
+	for (i = 0; i < shost->nr_maps; i++) {
+		struct blk_mq_queue_map *map = &shost->tag_set.map[i];
+
+		switch (i) {
+		case HCTX_TYPE_DEFAULT:
+		case HCTX_TYPE_POLL:
+			map->nr_queues = 1;
+			break;
+		case HCTX_TYPE_READ:
+			map->nr_queues = 0;
+			break;
+		default:
+			WARN_ON_ONCE(true);
+		}
+		map->queue_offset = 0;
+		ret = blk_mq_map_queues(map);
+		WARN_ON_ONCE(ret);
+	}
+
+	return 0;
+}
+
 static void ufshcd_init_lrb(struct ufs_hba *hba, struct ufshcd_lrb *lrb, int i)
 {
-	struct utp_transfer_cmd_desc *cmd_descp = hba->ucdl_base_addr;
+	struct utp_transfer_cmd_desc *cmd_descp = (void *)hba->ucdl_base_addr +
+		i * sizeof_utp_transfer_cmd_desc(hba);
 	struct utp_transfer_req_desc *utrdlp = hba->utrdl_base_addr;
 	dma_addr_t cmd_desc_element_addr = hba->ucdl_dma_addr +
-		i * sizeof(struct utp_transfer_cmd_desc);
+		i * sizeof_utp_transfer_cmd_desc(hba);
 	u16 response_offset = offsetof(struct utp_transfer_cmd_desc,
 				       response_upiu);
 	u16 prdt_offset = offsetof(struct utp_transfer_cmd_desc, prd_table);
@@ -2510,11 +2794,11 @@
 	lrb->utr_descriptor_ptr = utrdlp + i;
 	lrb->utrd_dma_addr = hba->utrdl_dma_addr +
 		i * sizeof(struct utp_transfer_req_desc);
-	lrb->ucd_req_ptr = (struct utp_upiu_req *)(cmd_descp + i);
+	lrb->ucd_req_ptr = (struct utp_upiu_req *)cmd_descp;
 	lrb->ucd_req_dma_addr = cmd_desc_element_addr;
-	lrb->ucd_rsp_ptr = (struct utp_upiu_rsp *)cmd_descp[i].response_upiu;
+	lrb->ucd_rsp_ptr = (struct utp_upiu_rsp *)cmd_descp->response_upiu;
 	lrb->ucd_rsp_dma_addr = cmd_desc_element_addr + response_offset;
-	lrb->ucd_prdt_ptr = (struct ufshcd_sg_entry *)cmd_descp[i].prd_table;
+	lrb->ucd_prdt_ptr = (struct ufshcd_sg_entry *)cmd_descp->prd_table;
 	lrb->ucd_prdt_dma_addr = cmd_desc_element_addr + prdt_offset;
 }
 
@@ -2527,64 +2811,34 @@
  */
 static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 {
+	struct ufs_hba *hba = shost_priv(host);
+	int tag = scsi_cmd_to_rq(cmd)->tag;
 	struct ufshcd_lrb *lrbp;
-	struct ufs_hba *hba;
-	unsigned long flags;
-	int tag;
 	int err = 0;
 
-	hba = shost_priv(host);
+	WARN_ONCE(tag < 0 || tag >= hba->nutrs, "Invalid tag %d\n", tag);
 
-	tag = cmd->request->tag;
-	if (!ufshcd_valid_tag(hba, tag)) {
-		dev_err(hba->dev,
-			"%s: invalid command tag %d: cmd=0x%p, cmd->request=0x%p",
-			__func__, tag, cmd, cmd->request);
-		BUG();
-	}
+	/*
+	 * Allows the UFS error handler to wait for prior ufshcd_queuecommand()
+	 * calls.
+	 */
+	rcu_read_lock();
 
-	if (!down_read_trylock(&hba->clk_scaling_lock))
-		return SCSI_MLQUEUE_HOST_BUSY;
-
-	hba->req_abort_count = 0;
-
-	err = ufshcd_hold(hba, true);
-	if (err) {
-		err = SCSI_MLQUEUE_HOST_BUSY;
-		goto out;
-	}
-	WARN_ON(ufshcd_is_clkgating_allowed(hba) &&
-		(hba->clk_gating.state != CLKS_ON));
-
-	lrbp = &hba->lrb[tag];
-
-	WARN_ON(lrbp->cmd);
-	lrbp->cmd = cmd;
-	lrbp->sense_bufflen = UFS_SENSE_SIZE;
-	lrbp->sense_buffer = cmd->sense_buffer;
-	lrbp->task_tag = tag;
-	lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
-	lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba) ? true : false;
-
-	ufshcd_prepare_lrbp_crypto(cmd->request, lrbp);
-
-	lrbp->req_abort_skip = false;
-
-	ufshcd_comp_scsi_upiu(hba, lrbp);
-
-	err = ufshcd_map_sg(hba, lrbp);
-	if (err) {
-		lrbp->cmd = NULL;
-		ufshcd_release(hba);
-		goto out;
-	}
-	/* Make sure descriptors are ready before ringing the doorbell */
-	wmb();
-
-	spin_lock_irqsave(hba->host->host_lock, flags);
 	switch (hba->ufshcd_state) {
 	case UFSHCD_STATE_OPERATIONAL:
+		break;
 	case UFSHCD_STATE_EH_SCHEDULED_NON_FATAL:
+		/*
+		 * SCSI error handler can call ->queuecommand() while UFS error
+		 * handler is in progress. Error interrupts could change the
+		 * state from UFSHCD_STATE_RESET to
+		 * UFSHCD_STATE_EH_SCHEDULED_NON_FATAL. Prevent requests
+		 * being issued in that case.
+		 */
+		if (ufshcd_eh_in_progress(hba)) {
+			err = SCSI_MLQUEUE_HOST_BUSY;
+			goto out;
+		}
 		break;
 	case UFSHCD_STATE_EH_SCHEDULED_FATAL:
 		/*
@@ -2600,34 +2854,73 @@
 		if (hba->pm_op_in_progress) {
 			hba->force_reset = true;
 			set_host_byte(cmd, DID_BAD_TARGET);
-			goto out_compl_cmd;
+			scsi_done(cmd);
+			goto out;
 		}
 		fallthrough;
 	case UFSHCD_STATE_RESET:
 		err = SCSI_MLQUEUE_HOST_BUSY;
-		goto out_compl_cmd;
+		goto out;
 	case UFSHCD_STATE_ERROR:
 		set_host_byte(cmd, DID_ERROR);
-		goto out_compl_cmd;
-	default:
-		dev_WARN_ONCE(hba->dev, 1, "%s: invalid state %d\n",
-				__func__, hba->ufshcd_state);
-		set_host_byte(cmd, DID_BAD_TARGET);
-		goto out_compl_cmd;
+		scsi_done(cmd);
+		goto out;
 	}
-	ufshcd_send_command(hba, tag);
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
-	goto out;
 
-out_compl_cmd:
-	scsi_dma_unmap(lrbp->cmd);
-	lrbp->cmd = NULL;
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
-	ufshcd_release(hba);
-	if (!err)
-		cmd->scsi_done(cmd);
+	hba->req_abort_count = 0;
+
+	err = ufshcd_hold(hba, true);
+	if (err) {
+		err = SCSI_MLQUEUE_HOST_BUSY;
+		goto out;
+	}
+	WARN_ON(ufshcd_is_clkgating_allowed(hba) &&
+		(hba->clk_gating.state != CLKS_ON));
+
+	lrbp = &hba->lrb[tag];
+	WARN_ON(lrbp->cmd);
+	lrbp->cmd = cmd;
+	lrbp->sense_bufflen = UFS_SENSE_SIZE;
+	lrbp->sense_buffer = cmd->sense_buffer;
+	lrbp->task_tag = tag;
+	lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
+	lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba) ? true : false;
+
+	ufshcd_prepare_lrbp_crypto(scsi_cmd_to_rq(cmd), lrbp);
+
+	trace_android_vh_ufs_prepare_command(hba, cmd->request, lrbp, &err);
+	if (err) {
+		lrbp->cmd = NULL;
+		ufshcd_release(hba);
+		goto out;
+	}
+
+	lrbp->req_abort_skip = false;
+
+	ufshpb_prep(hba, lrbp);
+
+	ufshcd_comp_scsi_upiu(hba, lrbp);
+
+	err = ufshcd_map_sg(hba, lrbp);
+	if (err) {
+		lrbp->cmd = NULL;
+		ufshcd_release(hba);
+		goto out;
+	}
+
+	ufshcd_send_command(hba, tag);
+
 out:
-	up_read(&hba->clk_scaling_lock);
+	rcu_read_unlock();
+
+	if (ufs_trigger_eh()) {
+		unsigned long flags;
+
+		spin_lock_irqsave(hba->host->host_lock, flags);
+		ufshcd_schedule_eh_work(hba);
+		spin_unlock_irqrestore(hba->host->host_lock, flags);
+	}
+
 	return err;
 }
 
@@ -2646,27 +2939,26 @@
 	return ufshcd_compose_devman_upiu(hba, lrbp);
 }
 
-static int
-ufshcd_clear_cmd(struct ufs_hba *hba, int tag)
+/*
+ * Clear all the requests from the controller for which a bit has been set in
+ * @mask and wait until the controller confirms that these requests have been
+ * cleared.
+ */
+static int ufshcd_clear_cmds(struct ufs_hba *hba, u32 mask)
 {
-	int err = 0;
 	unsigned long flags;
-	u32 mask = 1 << tag;
 
 	/* clear outstanding transaction before retry */
 	spin_lock_irqsave(hba->host->host_lock, flags);
-	ufshcd_utrl_clear(hba, tag);
+	ufshcd_utrl_clear(hba, mask);
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
 	/*
-	 * wait for for h/w to clear corresponding bit in door-bell.
+	 * wait for h/w to clear corresponding bit in door-bell.
 	 * max. wait is 1 sec.
 	 */
-	err = ufshcd_wait_for_register(hba,
-			REG_UTP_TRANSFER_REQ_DOOR_BELL,
-			mask, ~mask, 1000, 1000);
-
-	return err;
+	return ufshcd_wait_for_register(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL,
+					mask, ~mask, 1000, 1000);
 }
 
 static int
@@ -2726,37 +3018,58 @@
 static int ufshcd_wait_for_dev_cmd(struct ufs_hba *hba,
 		struct ufshcd_lrb *lrbp, int max_timeout)
 {
-	int err = 0;
-	unsigned long time_left;
+	unsigned long time_left = msecs_to_jiffies(max_timeout);
 	unsigned long flags;
+	bool pending;
+	int err;
 
+retry:
 	time_left = wait_for_completion_timeout(hba->dev_cmd.complete,
-			msecs_to_jiffies(max_timeout));
+						time_left);
 
-	/* Make sure descriptors are ready before ringing the doorbell */
-	wmb();
-	spin_lock_irqsave(hba->host->host_lock, flags);
-	hba->dev_cmd.complete = NULL;
 	if (likely(time_left)) {
+		/*
+		 * The caller of this function still owns the @lrbp tag so the
+		 * code below does not trigger any race conditions.
+		 */
+		hba->dev_cmd.complete = NULL;
 		err = ufshcd_get_tr_ocs(lrbp);
 		if (!err)
 			err = ufshcd_dev_cmd_completion(hba, lrbp);
-	}
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
-
-	if (!time_left) {
+	} else {
 		err = -ETIMEDOUT;
 		dev_dbg(hba->dev, "%s: dev_cmd request timedout, tag %d\n",
 			__func__, lrbp->task_tag);
-		if (!ufshcd_clear_cmd(hba, lrbp->task_tag))
+		if (!ufshcd_clear_cmds(hba, 1U << lrbp->task_tag)) {
 			/* successfully cleared the command, retry if needed */
 			err = -EAGAIN;
-		/*
-		 * in case of an error, after clearing the doorbell,
-		 * we also need to clear the outstanding_request
-		 * field in hba
-		 */
-		ufshcd_outstanding_req_clear(hba, lrbp->task_tag);
+			/*
+			 * Since clearing the command succeeded we also need to
+			 * clear the task tag bit from the outstanding_reqs
+			 * variable.
+			 */
+			spin_lock_irqsave(&hba->outstanding_lock, flags);
+			pending = test_bit(lrbp->task_tag,
+					   &hba->outstanding_reqs);
+			if (pending) {
+				hba->dev_cmd.complete = NULL;
+				__clear_bit(lrbp->task_tag,
+					    &hba->outstanding_reqs);
+			}
+			spin_unlock_irqrestore(&hba->outstanding_lock, flags);
+
+			if (!pending) {
+				/*
+				 * A race occurred between this function and the
+				 * completion handler.
+				 */
+				time_left = 1;
+				goto retry;
+			}
+		} else {
+			dev_err(hba->dev, "%s: failed to clear tag %d\n", __func__,
+				lrbp->task_tag);
+		}
 	}
 
 	return err;
@@ -2774,56 +3087,32 @@
 static int ufshcd_exec_dev_cmd(struct ufs_hba *hba,
 		enum dev_cmd_type cmd_type, int timeout)
 {
-	struct request_queue *q = hba->cmd_queue;
-	struct request *req;
+	DECLARE_COMPLETION_ONSTACK(wait);
+	const u32 tag = hba->reserved_slot;
 	struct ufshcd_lrb *lrbp;
 	int err;
-	int tag;
-	struct completion wait;
-	unsigned long flags;
+
+	/* Protects use of hba->reserved_slot. */
+	lockdep_assert_held(&hba->dev_cmd.lock);
 
 	down_read(&hba->clk_scaling_lock);
 
-	/*
-	 * Get free slot, sleep if slots are unavailable.
-	 * Even though we use wait_event() which sleeps indefinitely,
-	 * the maximum wait time is bounded by SCSI request timeout.
-	 */
-	req = blk_get_request(q, REQ_OP_DRV_OUT, 0);
-	if (IS_ERR(req)) {
-		err = PTR_ERR(req);
-		goto out_unlock;
-	}
-	tag = req->tag;
-	WARN_ON_ONCE(!ufshcd_valid_tag(hba, tag));
-	/* Set the timeout such that the SCSI error handler is not activated. */
-	req->timeout = msecs_to_jiffies(2 * timeout);
-	blk_mq_start_request(req);
-
-	init_completion(&wait);
 	lrbp = &hba->lrb[tag];
 	WARN_ON(lrbp->cmd);
 	err = ufshcd_compose_dev_cmd(hba, lrbp, cmd_type, tag);
 	if (unlikely(err))
-		goto out_put_tag;
+		goto out;
 
 	hba->dev_cmd.complete = &wait;
 
-	ufshcd_add_query_upiu_trace(hba, tag, "query_send");
-	/* Make sure descriptors are ready before ringing the doorbell */
-	wmb();
-	spin_lock_irqsave(hba->host->host_lock, flags);
+	ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr);
+
 	ufshcd_send_command(hba, tag);
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
-
 	err = ufshcd_wait_for_dev_cmd(hba, lrbp, timeout);
+	ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP,
+				    (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
 
-	ufshcd_add_query_upiu_trace(hba, tag,
-			err ? "query_complete_err" : "query_complete");
-
-out_put_tag:
-	blk_put_request(req);
-out_unlock:
+out:
 	up_read(&hba->clk_scaling_lock);
 	return err;
 }
@@ -2852,7 +3141,7 @@
 	(*request)->upiu_req.selector = selector;
 }
 
-static int ufshcd_query_flag_retry(struct ufs_hba *hba,
+int ufshcd_query_flag_retry(struct ufs_hba *hba,
 	enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res)
 {
 	int ret;
@@ -2874,6 +3163,7 @@
 			__func__, opcode, idn, ret, retries);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_query_flag_retry);
 
 /**
  * ufshcd_query_flag() - API function for sending flag query requests
@@ -2942,6 +3232,7 @@
 	ufshcd_release(hba);
 	return err;
 }
+EXPORT_SYMBOL_GPL(ufshcd_query_flag);
 
 /**
  * ufshcd_query_attr - API function for sending attribute requests
@@ -2963,14 +3254,14 @@
 
 	BUG_ON(!hba);
 
-	ufshcd_hold(hba, false);
 	if (!attr_val) {
 		dev_err(hba->dev, "%s: attribute value required for opcode 0x%x\n",
 				__func__, opcode);
-		err = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
+	ufshcd_hold(hba, false);
+
 	mutex_lock(&hba->dev_cmd.lock);
 	ufshcd_init_query(hba, &request, &response, opcode, idn, index,
 			selector);
@@ -3002,10 +3293,10 @@
 
 out_unlock:
 	mutex_unlock(&hba->dev_cmd.lock);
-out:
 	ufshcd_release(hba);
 	return err;
 }
+EXPORT_SYMBOL_GPL(ufshcd_query_attr);
 
 /**
  * ufshcd_query_attr_retry() - API function for sending query
@@ -3020,7 +3311,7 @@
  *
  * Returns 0 for success, non-zero in case of failure
 */
-static int ufshcd_query_attr_retry(struct ufs_hba *hba,
+int ufshcd_query_attr_retry(struct ufs_hba *hba,
 	enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector,
 	u32 *attr_val)
 {
@@ -3043,6 +3334,7 @@
 			__func__, idn, ret, QUERY_REQ_RETRIES);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_query_attr_retry);
 
 static int __ufshcd_query_descriptor(struct ufs_hba *hba,
 			enum query_opcode opcode, enum desc_idn idn, u8 index,
@@ -3054,21 +3346,20 @@
 
 	BUG_ON(!hba);
 
-	ufshcd_hold(hba, false);
 	if (!desc_buf) {
 		dev_err(hba->dev, "%s: descriptor buffer required for opcode 0x%x\n",
 				__func__, opcode);
-		err = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
 	if (*buf_len < QUERY_DESC_MIN_SIZE || *buf_len > QUERY_DESC_MAX_SIZE) {
 		dev_err(hba->dev, "%s: descriptor buffer size (%d) is out of range\n",
 				__func__, *buf_len);
-		err = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
+	ufshcd_hold(hba, false);
+
 	mutex_lock(&hba->dev_cmd.lock);
 	ufshcd_init_query(hba, &request, &response, opcode, idn, index,
 			selector);
@@ -3103,7 +3394,6 @@
 out_unlock:
 	hba->dev_cmd.query.descriptor = NULL;
 	mutex_unlock(&hba->dev_cmd.lock);
-out:
 	ufshcd_release(hba);
 	return err;
 }
@@ -3140,6 +3430,7 @@
 
 	return err;
 }
+EXPORT_SYMBOL_GPL(ufshcd_query_descriptor_retry);
 
 /**
  * ufshcd_map_desc_id_to_length - map descriptor IDN to its length
@@ -3258,6 +3549,7 @@
 		kfree(desc_buf);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_read_desc_param);
 
 /**
  * struct uc_string_id - unicode string
@@ -3431,7 +3723,7 @@
 	size_t utmrdl_size, utrdl_size, ucdl_size;
 
 	/* Allocate memory for UTP command descriptors */
-	ucdl_size = (sizeof(struct utp_transfer_cmd_desc) * hba->nutrs);
+	ucdl_size = (sizeof_utp_transfer_cmd_desc(hba) * hba->nutrs);
 	hba->ucdl_base_addr = dmam_alloc_coherent(hba->dev,
 						  ucdl_size,
 						  &hba->ucdl_dma_addr,
@@ -3525,7 +3817,7 @@
 	prdt_offset =
 		offsetof(struct utp_transfer_cmd_desc, prd_table);
 
-	cmd_desc_size = sizeof(struct utp_transfer_cmd_desc);
+	cmd_desc_size = sizeof_utp_transfer_cmd_desc(hba);
 	cmd_desc_dma_addr = hba->ucdl_dma_addr;
 
 	for (i = 0; i < hba->nutrs; i++) {
@@ -3606,6 +3898,22 @@
 	return ret;
 }
 
+int ufshcd_dme_configure_adapt(struct ufs_hba *hba,
+			       int agreed_gear,
+			       int adapt_val)
+{
+	int ret;
+
+	if (agreed_gear != UFS_HS_G4)
+		adapt_val = PA_NO_ADAPT;
+
+	ret = ufshcd_dme_set(hba,
+			     UIC_ARG_MIB(PA_TXHSADAPTTYPE),
+			     adapt_val);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(ufshcd_dme_configure_adapt);
+
 /**
  * ufshcd_dme_enable - UIC command for DME_ENABLE
  * @hba: per adapter instance
@@ -3797,14 +4105,13 @@
  */
 static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
 {
-	struct completion uic_async_done;
+	DECLARE_COMPLETION_ONSTACK(uic_async_done);
 	unsigned long flags;
 	u8 status;
 	int ret;
 	bool reenable_intr = false;
 
 	mutex_lock(&hba->uic_cmd_mutex);
-	init_completion(&uic_async_done);
 	ufshcd_add_delay_before_dme_cmd(hba);
 
 	spin_lock_irqsave(hba->host->host_lock, flags);
@@ -3859,7 +4166,7 @@
 	if (ret) {
 		ufshcd_print_host_state(hba);
 		ufshcd_print_pwr_info(hba);
-		ufshcd_print_host_regs(hba);
+		ufshcd_print_evt_hist(hba);
 	}
 
 	spin_lock_irqsave(hba->host->host_lock, flags);
@@ -3923,7 +4230,7 @@
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
 	/* Reset the attached device */
-	ufshcd_vops_device_reset(hba);
+	ufshcd_device_reset(hba);
 
 	ret = ufshcd_host_reset_and_restore(hba);
 
@@ -3941,7 +4248,7 @@
 }
 EXPORT_SYMBOL_GPL(ufshcd_link_recovery);
 
-static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba)
+int ufshcd_uic_hibern8_enter(struct ufs_hba *hba)
 {
 	int ret;
 	struct uic_command uic_cmd = {0};
@@ -3963,6 +4270,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufshcd_uic_hibern8_enter);
 
 int ufshcd_uic_hibern8_exit(struct ufs_hba *hba)
 {
@@ -4006,12 +4314,13 @@
 	}
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
-	if (update && !pm_runtime_suspended(hba->dev)) {
-		pm_runtime_get_sync(hba->dev);
+	if (update &&
+	    !pm_runtime_suspended(&hba->sdev_ufs_device->sdev_gendev)) {
+		ufshcd_rpm_get_sync(hba);
 		ufshcd_hold(hba, false);
 		ufshcd_auto_hibern8_enable(hba);
 		ufshcd_release(hba);
-		pm_runtime_put(hba->dev);
+		ufshcd_rpm_put_sync(hba);
 	}
 }
 EXPORT_SYMBOL_GPL(ufshcd_auto_hibern8_update);
@@ -4246,7 +4555,7 @@
 					QUERY_FLAG_IDN_FDEVICEINIT, 0, &flag_res);
 		if (!flag_res)
 			break;
-		usleep_range(5000, 10000);
+		usleep_range(500, 1000);
 	} while (ktime_before(ktime_get(), timeout));
 
 	if (err) {
@@ -4325,7 +4634,7 @@
  * ufshcd_hba_stop - Send controller to reset state
  * @hba: per adapter instance
  */
-static inline void ufshcd_hba_stop(struct ufs_hba *hba)
+void ufshcd_hba_stop(struct ufs_hba *hba)
 {
 	unsigned long flags;
 	int err;
@@ -4344,6 +4653,7 @@
 	if (err)
 		dev_err(hba->dev, "%s: Controller disable failed\n", __func__);
 }
+EXPORT_SYMBOL_GPL(ufshcd_hba_stop);
 
 /**
  * ufshcd_hba_execute_hce - initialize the controller
@@ -4357,8 +4667,10 @@
  */
 static int ufshcd_hba_execute_hce(struct ufs_hba *hba)
 {
-	int retry;
+	int retry_outer = 3;
+	int retry_inner;
 
+start:
 	if (!ufshcd_is_hba_active(hba))
 		/* change controller state to "reset state" */
 		ufshcd_hba_stop(hba);
@@ -4384,13 +4696,17 @@
 	ufshcd_delay_us(hba->vps->hba_enable_delay_us, 100);
 
 	/* wait for the host controller to complete initialization */
-	retry = 50;
+	retry_inner = 50;
 	while (ufshcd_is_hba_active(hba)) {
-		if (retry) {
-			retry--;
+		if (retry_inner) {
+			retry_inner--;
 		} else {
 			dev_err(hba->dev,
 				"Controller enable failed\n");
+			if (retry_outer) {
+				retry_outer--;
+				goto start;
+			}
 			return -EIO;
 		}
 		usleep_range(1000, 1100);
@@ -4467,14 +4783,22 @@
 	return ufshcd_disable_tx_lcc(hba, true);
 }
 
-void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist,
-			    u32 reg)
+void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val)
 {
-	reg_hist->reg[reg_hist->pos] = reg;
-	reg_hist->tstamp[reg_hist->pos] = ktime_get();
-	reg_hist->pos = (reg_hist->pos + 1) % UFS_ERR_REG_HIST_LENGTH;
+	struct ufs_event_hist *e;
+
+	if (id >= UFS_EVT_CNT)
+		return;
+
+	e = &hba->ufs_stats.event[id];
+	e->val[e->pos] = val;
+	e->tstamp[e->pos] = ktime_get();
+	e->cnt += 1;
+	e->pos = (e->pos + 1) % UFS_EVENT_HIST_LENGTH;
+
+	ufshcd_vops_event_notify(hba, id, &val);
 }
-EXPORT_SYMBOL_GPL(ufshcd_update_reg_hist);
+EXPORT_SYMBOL_GPL(ufshcd_update_evt_hist);
 
 /**
  * ufshcd_link_startup - Initialize unipro link startup
@@ -4503,7 +4827,8 @@
 
 		/* check if device is detected by inter-connect layer */
 		if (!ret && !ufshcd_is_device_present(hba)) {
-			ufshcd_update_reg_hist(&hba->ufs_stats.link_startup_err,
+			ufshcd_update_evt_hist(hba,
+					       UFS_EVT_LINK_STARTUP_FAIL,
 					       0);
 			dev_err(hba->dev, "%s: Device not present\n", __func__);
 			ret = -ENXIO;
@@ -4516,7 +4841,8 @@
 		 * succeeds. So reset the local Uni-Pro and try again.
 		 */
 		if (ret && ufshcd_hba_enable(hba)) {
-			ufshcd_update_reg_hist(&hba->ufs_stats.link_startup_err,
+			ufshcd_update_evt_hist(hba,
+					       UFS_EVT_LINK_STARTUP_FAIL,
 					       (u32)ret);
 			goto out;
 		}
@@ -4524,7 +4850,8 @@
 
 	if (ret) {
 		/* failed to get the link up... retire */
-		ufshcd_update_reg_hist(&hba->ufs_stats.link_startup_err,
+		ufshcd_update_evt_hist(hba,
+				       UFS_EVT_LINK_STARTUP_FAIL,
 				       (u32)ret);
 		goto out;
 	}
@@ -4558,7 +4885,7 @@
 		dev_err(hba->dev, "link startup failed %d\n", ret);
 		ufshcd_print_host_state(hba);
 		ufshcd_print_pwr_info(hba);
-		ufshcd_print_host_regs(hba);
+		ufshcd_print_evt_hist(hba);
 	}
 	return ret;
 }
@@ -4582,7 +4909,7 @@
 	mutex_lock(&hba->dev_cmd.lock);
 	for (retries = NOP_OUT_RETRIES; retries > 0; retries--) {
 		err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_NOP,
-					       NOP_OUT_TIMEOUT);
+					  hba->nop_out_timeout);
 
 		if (!err || err == -ETIMEDOUT)
 			break;
@@ -4692,6 +5019,43 @@
 }
 
 /**
+ * ufshcd_setup_links - associate link b/w device wlun and other luns
+ * @sdev: pointer to SCSI device
+ * @hba: pointer to ufs hba
+ */
+static void ufshcd_setup_links(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+	struct device_link *link;
+
+	/*
+	 * Device wlun is the supplier & rest of the luns are consumers.
+	 * This ensures that device wlun suspends after all other luns.
+	 */
+	if (hba->sdev_ufs_device) {
+		link = device_link_add(&sdev->sdev_gendev,
+				       &hba->sdev_ufs_device->sdev_gendev,
+				       DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE);
+		if (!link) {
+			dev_err(&sdev->sdev_gendev, "Failed establishing link - %s\n",
+				dev_name(&hba->sdev_ufs_device->sdev_gendev));
+			return;
+		}
+		hba->luns_avail--;
+		/* Ignore REPORT_LUN wlun probing */
+		if (hba->luns_avail == 1) {
+			ufshcd_rpm_put(hba);
+			return;
+		}
+	} else {
+		/*
+		 * Device wlun is probed. The assumption is that WLUNs are
+		 * scanned before other LUNs.
+		 */
+		hba->luns_avail--;
+	}
+}
+
+/**
  * ufshcd_slave_alloc - handle initial SCSI device configurations
  * @sdev: pointer to SCSI device
  *
@@ -4722,6 +5086,8 @@
 
 	ufshcd_get_lu_power_on_wp_status(hba, sdev);
 
+	ufshcd_setup_links(hba, sdev);
+
 	return 0;
 }
 
@@ -4734,11 +5100,27 @@
  */
 static int ufshcd_change_queue_depth(struct scsi_device *sdev, int depth)
 {
-	struct ufs_hba *hba = shost_priv(sdev->host);
+	return scsi_change_queue_depth(sdev, min(depth, sdev->host->can_queue));
+}
 
-	if (depth > hba->nutrs)
-		depth = hba->nutrs;
-	return scsi_change_queue_depth(sdev, depth);
+static void ufshcd_hpb_destroy(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+	/* skip well-known LU */
+	if ((sdev->lun >= UFS_UPIU_MAX_UNIT_NUM_ID) ||
+	    !(hba->dev_info.hpb_enabled) || !ufshpb_is_allowed(hba))
+		return;
+
+	ufshpb_destroy_lu(hba, sdev);
+}
+
+static void ufshcd_hpb_configure(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+	/* skip well-known LU */
+	if ((sdev->lun >= UFS_UPIU_MAX_UNIT_NUM_ID) ||
+	    !(hba->dev_info.hpb_enabled) || !ufshpb_is_allowed(hba))
+		return;
+
+	ufshpb_init_hpb_lu(hba, sdev);
 }
 
 /**
@@ -4750,15 +5132,30 @@
 	struct ufs_hba *hba = shost_priv(sdev->host);
 	struct request_queue *q = sdev->request_queue;
 
+	ufshcd_hpb_configure(hba, sdev);
+
 	blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);
 	if (hba->quirks & UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE)
 		blk_queue_update_dma_alignment(q, PAGE_SIZE - 1);
-
-	if (ufshcd_is_rpm_autosuspend_allowed(hba))
+	/*
+	 * Block runtime-pm until all consumers are added.
+	 * Refer ufshcd_setup_links().
+	 */
+	if (is_device_wlun(sdev))
+		pm_runtime_get_noresume(&sdev->sdev_gendev);
+	else if (ufshcd_is_rpm_autosuspend_allowed(hba))
 		sdev->rpm_autosuspend = 1;
+	/*
+	 * Do not print messages during runtime PM to avoid never-ending cycles
+	 * of messages written back to storage by user space causing runtime
+	 * resume, causing more messages and so on.
+	 */
+	sdev->silence_suspend = 1;
 
 	ufshcd_crypto_setup_rq_keyslot_manager(hba, q);
 
+	trace_android_vh_ufs_update_sdev(sdev);
+
 	return 0;
 }
 
@@ -4769,15 +5166,37 @@
 static void ufshcd_slave_destroy(struct scsi_device *sdev)
 {
 	struct ufs_hba *hba;
+	unsigned long flags;
 
 	hba = shost_priv(sdev->host);
+
+	ufshcd_hpb_destroy(hba, sdev);
+
 	/* Drop the reference as it won't be needed anymore */
 	if (ufshcd_scsi_to_upiu_lun(sdev->lun) == UFS_UPIU_UFS_DEVICE_WLUN) {
-		unsigned long flags;
-
 		spin_lock_irqsave(hba->host->host_lock, flags);
 		hba->sdev_ufs_device = NULL;
 		spin_unlock_irqrestore(hba->host->host_lock, flags);
+	} else if (hba->sdev_ufs_device) {
+		struct device *supplier = NULL;
+
+		/* Ensure UFS Device WLUN exists and does not disappear */
+		spin_lock_irqsave(hba->host->host_lock, flags);
+		if (hba->sdev_ufs_device) {
+			supplier = &hba->sdev_ufs_device->sdev_gendev;
+			get_device(supplier);
+		}
+		spin_unlock_irqrestore(hba->host->host_lock, flags);
+
+		if (supplier) {
+			/*
+			 * If a LUN fails to probe (e.g. absent BOOT WLUN), the
+			 * device will not have been registered but can still
+			 * have a device link holding a reference to the device.
+			 */
+			device_link_remove(&sdev->sdev_gendev, supplier);
+			put_device(supplier);
+		}
 	}
 }
 
@@ -4798,9 +5217,7 @@
 		ufshcd_copy_sense_data(lrbp);
 		fallthrough;
 	case SAM_STAT_GOOD:
-		result |= DID_OK << 16 |
-			  COMMAND_COMPLETE << 8 |
-			  scsi_status;
+		result |= DID_OK << 16 | scsi_status;
 		break;
 	case SAM_STAT_TASK_SET_FULL:
 	case SAM_STAT_BUSY:
@@ -4828,7 +5245,7 @@
 {
 	int result = 0;
 	int scsi_status;
-	int ocs;
+	enum utp_ocs ocs;
 
 	/* overall command status of utrd */
 	ocs = ufshcd_get_tr_ocs(lrbp);
@@ -4871,15 +5288,13 @@
 			 * UFS device needs urgent BKOPs.
 			 */
 			if (!hba->pm_op_in_progress &&
-			    ufshcd_is_exception_event(lrbp->ucd_rsp_ptr) &&
-			    schedule_work(&hba->eeh_work)) {
-				/*
-				 * Prevent suspend once eeh_work is scheduled
-				 * to avoid deadlock between ufshcd_suspend
-				 * and exception event handler.
-				 */
-				pm_runtime_get_noresume(hba->dev);
-			}
+			    !ufshcd_eh_in_progress(hba) &&
+			    ufshcd_is_exception_event(lrbp->ucd_rsp_ptr))
+				/* Flushed in suspend */
+				schedule_work(&hba->eeh_work);
+
+			if (scsi_status == SAM_STAT_GOOD)
+				ufshpb_rsp_upiu(hba, lrbp);
 			break;
 		case UPIU_TRANSACTION_REJECT_UPIU:
 			/* TODO: handle Reject UPIU Response */
@@ -4915,7 +5330,7 @@
 		dev_err(hba->dev,
 				"OCS error from controller = %x for tag %d\n",
 				ocs, lrbp->task_tag);
-		ufshcd_print_host_regs(hba);
+		ufshcd_print_evt_hist(hba);
 		ufshcd_print_host_state(hba);
 		break;
 	} /* end of switch */
@@ -4926,6 +5341,24 @@
 	return result;
 }
 
+static bool ufshcd_is_auto_hibern8_error(struct ufs_hba *hba,
+					 u32 intr_mask)
+{
+	if (!ufshcd_is_auto_hibern8_supported(hba) ||
+	    !ufshcd_is_auto_hibern8_enabled(hba))
+		return false;
+
+	if (!(intr_mask & UFSHCD_UIC_HIBERN8_MASK))
+		return false;
+
+	if (hba->active_uic_cmd &&
+	    (hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_ENTER ||
+	    hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_EXIT))
+		return false;
+
+	return true;
+}
+
 /**
  * ufshcd_uic_cmd_compl - handle completion of uic command
  * @hba: per adapter instance
@@ -4939,6 +5372,10 @@
 {
 	irqreturn_t retval = IRQ_NONE;
 
+	spin_lock(hba->host->host_lock);
+	if (ufshcd_is_auto_hibern8_error(hba, intr_status))
+		hba->errors |= (UFSHCD_UIC_HIBERN8_MASK & intr_status);
+
 	if ((intr_status & UIC_COMMAND_COMPL) && hba->active_uic_cmd) {
 		hba->active_uic_cmd->argument2 |=
 			ufshcd_get_uic_cmd_result(hba);
@@ -4958,21 +5395,34 @@
 
 	if (retval == IRQ_HANDLED)
 		ufshcd_add_uic_command_trace(hba, hba->active_uic_cmd,
-					     "complete");
+					     UFS_CMD_COMP);
+	spin_unlock(hba->host->host_lock);
 	return retval;
 }
 
+/* Release the resources allocated for processing a SCSI command. */
+static void ufshcd_release_scsi_cmd(struct ufs_hba *hba,
+				    struct ufshcd_lrb *lrbp)
+{
+	struct scsi_cmnd *cmd = lrbp->cmd;
+
+	scsi_dma_unmap(cmd);
+	ufshcd_crypto_clear_prdt(hba, lrbp);
+	lrbp->cmd = NULL;	/* Mark the command as completed. */
+	ufshcd_release(hba);
+	ufshcd_clk_scaling_update_busy(hba);
+}
+
 /**
  * __ufshcd_transfer_req_compl - handle SCSI and query command completion
  * @hba: per adapter instance
- * @completed_reqs: requests to complete
+ * @completed_reqs: bitmask that indicates which requests to complete
  */
 static void __ufshcd_transfer_req_compl(struct ufs_hba *hba,
 					unsigned long completed_reqs)
 {
 	struct ufshcd_lrb *lrbp;
 	struct scsi_cmnd *cmd;
-	int result;
 	int index;
 
 	for_each_set_bit(index, &completed_reqs, hba->nutrs) {
@@ -4980,31 +5430,74 @@
 		lrbp->compl_time_stamp = ktime_get();
 		cmd = lrbp->cmd;
 		if (cmd) {
-			ufshcd_add_command_trace(hba, index, "complete");
-			result = ufshcd_transfer_rsp_status(hba, lrbp);
-			scsi_dma_unmap(cmd);
-			cmd->result = result;
-			/* Mark completed command as NULL in LRB */
-			lrbp->cmd = NULL;
+			if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
+				ufshcd_update_monitor(hba, lrbp);
+			trace_android_vh_ufs_compl_command(hba, lrbp);
+			ufshcd_add_command_trace(hba, index, UFS_CMD_COMP);
+			cmd->result = ufshcd_transfer_rsp_status(hba, lrbp);
+			ufshcd_release_scsi_cmd(hba, lrbp);
 			/* Do not touch lrbp after scsi done */
-			cmd->scsi_done(cmd);
-			__ufshcd_release(hba);
+			scsi_done(cmd);
 		} else if (lrbp->command_type == UTP_CMD_TYPE_DEV_MANAGE ||
 			lrbp->command_type == UTP_CMD_TYPE_UFS_STORAGE) {
 			if (hba->dev_cmd.complete) {
+				trace_android_vh_ufs_compl_command(hba, lrbp);
 				ufshcd_add_command_trace(hba, index,
-						"dev_complete");
+							 UFS_DEV_COMP);
 				complete(hba->dev_cmd.complete);
+				ufshcd_clk_scaling_update_busy(hba);
 			}
 		}
-		if (ufshcd_is_clkscaling_supported(hba))
-			hba->clk_scaling.active_reqs--;
 	}
+}
 
-	/* clear corresponding bits of completed commands */
-	hba->outstanding_reqs ^= completed_reqs;
+/* Any value that is not an existing queue number is fine for this constant. */
+enum {
+	UFSHCD_POLL_FROM_INTERRUPT_CONTEXT = -1
+};
 
-	ufshcd_clk_scaling_update_busy(hba);
+static void ufshcd_clear_polled(struct ufs_hba *hba,
+				unsigned long *completed_reqs)
+{
+	int tag;
+
+	for_each_set_bit(tag, completed_reqs, hba->nutrs) {
+		struct scsi_cmnd *cmd = hba->lrb[tag].cmd;
+
+		if (!cmd)
+			continue;
+		if (scsi_cmd_to_rq(cmd)->cmd_flags & REQ_HIPRI)
+			__clear_bit(tag, completed_reqs);
+	}
+}
+
+/*
+ * Returns > 0 if one or more commands have been completed or 0 if no
+ * requests have been completed.
+ */
+static int ufshcd_poll(struct Scsi_Host *shost, unsigned int queue_num)
+{
+	struct ufs_hba *hba = shost_priv(shost);
+	unsigned long completed_reqs, flags;
+	u32 tr_doorbell;
+
+	spin_lock_irqsave(&hba->outstanding_lock, flags);
+	tr_doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
+	completed_reqs = ~tr_doorbell & hba->outstanding_reqs;
+	WARN_ONCE(completed_reqs & ~hba->outstanding_reqs,
+		  "completed: %#lx; outstanding: %#lx\n", completed_reqs,
+		  hba->outstanding_reqs);
+	if (queue_num == UFSHCD_POLL_FROM_INTERRUPT_CONTEXT) {
+		/* Do not complete polled requests from interrupt context. */
+		ufshcd_clear_polled(hba, &completed_reqs);
+	}
+	hba->outstanding_reqs &= ~completed_reqs;
+	spin_unlock_irqrestore(&hba->outstanding_lock, flags);
+
+	if (completed_reqs)
+		__ufshcd_transfer_req_compl(hba, completed_reqs);
+
+	return completed_reqs != 0;
 }
 
 /**
@@ -5017,9 +5510,6 @@
  */
 static irqreturn_t ufshcd_transfer_req_compl(struct ufs_hba *hba)
 {
-	unsigned long completed_reqs;
-	u32 tr_doorbell;
-
 	/* Resetting interrupt aggregation counters first and reading the
 	 * DOOR_BELL afterward allows us to handle all the completed requests.
 	 * In order to prevent other interrupts starvation the DB is read once
@@ -5031,15 +5521,56 @@
 	    !(hba->quirks & UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR))
 		ufshcd_reset_intr_aggr(hba);
 
-	tr_doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
-	completed_reqs = tr_doorbell ^ hba->outstanding_reqs;
-
-	if (completed_reqs) {
-		__ufshcd_transfer_req_compl(hba, completed_reqs);
+	if (ufs_fail_completion())
 		return IRQ_HANDLED;
-	} else {
-		return IRQ_NONE;
+
+	/*
+	 * Ignore the ufshcd_poll() return value and return IRQ_HANDLED since we
+	 * do not want polling to trigger spurious interrupt complaints.
+	 */
+	ufshcd_poll(hba->host, UFSHCD_POLL_FROM_INTERRUPT_CONTEXT);
+
+	return IRQ_HANDLED;
+}
+
+int __ufshcd_write_ee_control(struct ufs_hba *hba, u32 ee_ctrl_mask)
+{
+	return ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR,
+				       QUERY_ATTR_IDN_EE_CONTROL, 0, 0,
+				       &ee_ctrl_mask);
+}
+
+int ufshcd_write_ee_control(struct ufs_hba *hba)
+{
+	int err;
+
+	mutex_lock(&hba->ee_ctrl_mutex);
+	err = __ufshcd_write_ee_control(hba, hba->ee_ctrl_mask);
+	mutex_unlock(&hba->ee_ctrl_mutex);
+	if (err)
+		dev_err(hba->dev, "%s: failed to write ee control %d\n",
+			__func__, err);
+	return err;
+}
+
+int ufshcd_update_ee_control(struct ufs_hba *hba, u16 *mask, u16 *other_mask,
+			     u16 set, u16 clr)
+{
+	u16 new_mask, ee_ctrl_mask;
+	int err = 0;
+
+	mutex_lock(&hba->ee_ctrl_mutex);
+	new_mask = (*mask & ~clr) | set;
+	ee_ctrl_mask = new_mask | *other_mask;
+	if (ee_ctrl_mask != hba->ee_ctrl_mask)
+		err = __ufshcd_write_ee_control(hba, ee_ctrl_mask);
+	/* Still need to update 'mask' even if 'ee_ctrl_mask' was unchanged */
+	if (!err) {
+		hba->ee_ctrl_mask = ee_ctrl_mask;
+		*mask = new_mask;
 	}
+	mutex_unlock(&hba->ee_ctrl_mutex);
+	return err;
 }
 
 /**
@@ -5052,22 +5583,9 @@
  *
  * Returns zero on success, non-zero error value on failure.
  */
-static int ufshcd_disable_ee(struct ufs_hba *hba, u16 mask)
+static inline int ufshcd_disable_ee(struct ufs_hba *hba, u16 mask)
 {
-	int err = 0;
-	u32 val;
-
-	if (!(hba->ee_ctrl_mask & mask))
-		goto out;
-
-	val = hba->ee_ctrl_mask & ~mask;
-	val &= MASK_EE_STATUS;
-	err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR,
-			QUERY_ATTR_IDN_EE_CONTROL, 0, 0, &val);
-	if (!err)
-		hba->ee_ctrl_mask &= ~mask;
-out:
-	return err;
+	return ufshcd_update_ee_drv_mask(hba, 0, mask);
 }
 
 /**
@@ -5080,22 +5598,9 @@
  *
  * Returns zero on success, non-zero error value on failure.
  */
-static int ufshcd_enable_ee(struct ufs_hba *hba, u16 mask)
+static inline int ufshcd_enable_ee(struct ufs_hba *hba, u16 mask)
 {
-	int err = 0;
-	u32 val;
-
-	if (hba->ee_ctrl_mask & mask)
-		goto out;
-
-	val = hba->ee_ctrl_mask | mask;
-	val &= MASK_EE_STATUS;
-	err = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR,
-			QUERY_ATTR_IDN_EE_CONTROL, 0, 0, &val);
-	if (!err)
-		hba->ee_ctrl_mask |= mask;
-out:
-	return err;
+	return ufshcd_update_ee_drv_mask(hba, mask, 0);
 }
 
 /**
@@ -5228,7 +5733,7 @@
  * to know whether auto bkops is enabled or disabled after this function
  * returns control to it.
  */
-static int ufshcd_bkops_ctrl(struct ufs_hba *hba,
+int ufshcd_bkops_ctrl(struct ufs_hba *hba,
 			     enum bkops_status status)
 {
 	int err;
@@ -5253,6 +5758,7 @@
 out:
 	return err;
 }
+EXPORT_SYMBOL_GPL(ufshcd_bkops_ctrl);
 
 /**
  * ufshcd_urgent_bkops - handle urgent bkops exception event
@@ -5312,106 +5818,92 @@
 				__func__, err);
 }
 
-static int ufshcd_wb_ctrl(struct ufs_hba *hba, bool enable)
+static void ufshcd_temp_exception_event_handler(struct ufs_hba *hba, u16 status)
+{
+	u32 value;
+
+	if (ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR,
+				QUERY_ATTR_IDN_CASE_ROUGH_TEMP, 0, 0, &value))
+		return;
+
+	dev_info(hba->dev, "exception Tcase %d\n", value - 80);
+
+	ufs_hwmon_notify_event(hba, status & MASK_EE_URGENT_TEMP);
+
+	/*
+	 * A placeholder for the platform vendors to add whatever additional
+	 * steps required
+	 */
+}
+
+static int __ufshcd_wb_toggle(struct ufs_hba *hba, bool set, enum flag_idn idn)
+{
+	u8 index;
+	enum query_opcode opcode = set ? UPIU_QUERY_OPCODE_SET_FLAG :
+				   UPIU_QUERY_OPCODE_CLEAR_FLAG;
+
+	index = ufshcd_wb_get_query_index(hba);
+	return ufshcd_query_flag_retry(hba, opcode, idn, index, NULL);
+}
+
+int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable)
 {
 	int ret;
-	u8 index;
-	enum query_opcode opcode;
 
 	if (!ufshcd_is_wb_allowed(hba))
 		return 0;
 
-	if (!(enable ^ hba->wb_enabled))
+	if (!(enable ^ hba->dev_info.wb_enabled))
 		return 0;
-	if (enable)
-		opcode = UPIU_QUERY_OPCODE_SET_FLAG;
-	else
-		opcode = UPIU_QUERY_OPCODE_CLEAR_FLAG;
 
-	index = ufshcd_wb_get_query_index(hba);
-	ret = ufshcd_query_flag_retry(hba, opcode,
-				      QUERY_FLAG_IDN_WB_EN, index, NULL);
+	ret = __ufshcd_wb_toggle(hba, enable, QUERY_FLAG_IDN_WB_EN);
 	if (ret) {
-		dev_err(hba->dev, "%s write booster %s failed %d\n",
+		dev_err(hba->dev, "%s Write Booster %s failed %d\n",
 			__func__, enable ? "enable" : "disable", ret);
 		return ret;
 	}
 
-	hba->wb_enabled = enable;
-	dev_dbg(hba->dev, "%s write booster %s %d\n",
-			__func__, enable ? "enable" : "disable", ret);
+	hba->dev_info.wb_enabled = enable;
+	dev_dbg(hba->dev, "%s Write Booster %s\n",
+			__func__, enable ? "enabled" : "disabled");
 
 	return ret;
 }
 
-static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set)
+static void ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set)
 {
-	int val;
-	u8 index;
+	int ret;
 
-	if (set)
-		val =  UPIU_QUERY_OPCODE_SET_FLAG;
-	else
-		val = UPIU_QUERY_OPCODE_CLEAR_FLAG;
-
-	index = ufshcd_wb_get_query_index(hba);
-	return ufshcd_query_flag_retry(hba, val,
-				QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8,
-				index, NULL);
+	ret = __ufshcd_wb_toggle(hba, set,
+			QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8);
+	if (ret) {
+		dev_err(hba->dev, "%s: WB-Buf Flush during H8 %s failed: %d\n",
+			__func__, set ? "enable" : "disable", ret);
+		return;
+	}
+	dev_dbg(hba->dev, "%s WB-Buf Flush during H8 %s\n",
+			__func__, set ? "enabled" : "disabled");
 }
 
 static inline void ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable)
 {
-	if (enable)
-		ufshcd_wb_buf_flush_enable(hba);
-	else
-		ufshcd_wb_buf_flush_disable(hba);
-
-}
-
-static int ufshcd_wb_buf_flush_enable(struct ufs_hba *hba)
-{
 	int ret;
-	u8 index;
 
-	if (!ufshcd_is_wb_allowed(hba) || hba->wb_buf_flush_enabled)
-		return 0;
+	if (!ufshcd_is_wb_allowed(hba) ||
+	    hba->dev_info.wb_buf_flush_enabled == enable)
+		return;
 
-	index = ufshcd_wb_get_query_index(hba);
-	ret = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_SET_FLAG,
-				      QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN,
-				      index, NULL);
-	if (ret)
-		dev_err(hba->dev, "%s WB - buf flush enable failed %d\n",
-			__func__, ret);
-	else
-		hba->wb_buf_flush_enabled = true;
-
-	dev_dbg(hba->dev, "WB - Flush enabled: %d\n", ret);
-	return ret;
-}
-
-static int ufshcd_wb_buf_flush_disable(struct ufs_hba *hba)
-{
-	int ret;
-	u8 index;
-
-	if (!ufshcd_is_wb_allowed(hba) || !hba->wb_buf_flush_enabled)
-		return 0;
-
-	index = ufshcd_wb_get_query_index(hba);
-	ret = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_CLEAR_FLAG,
-				      QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN,
-				      index, NULL);
+	ret = __ufshcd_wb_toggle(hba, enable, QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN);
 	if (ret) {
-		dev_warn(hba->dev, "%s: WB - buf flush disable failed %d\n",
-			 __func__, ret);
-	} else {
-		hba->wb_buf_flush_enabled = false;
-		dev_dbg(hba->dev, "WB - Flush disabled: %d\n", ret);
+		dev_err(hba->dev, "%s WB-Buf Flush %s failed %d\n", __func__,
+			enable ? "enable" : "disable", ret);
+		return;
 	}
 
-	return ret;
+	hba->dev_info.wb_buf_flush_enabled = enable;
+
+	dev_dbg(hba->dev, "%s WB-Buf Flush %s\n",
+			__func__, enable ? "enabled" : "disabled");
 }
 
 static bool ufshcd_wb_presrv_usrspc_keep_vcc_on(struct ufs_hba *hba,
@@ -5443,6 +5935,47 @@
 	return false;
 }
 
+static void ufshcd_wb_force_disable(struct ufs_hba *hba)
+{
+	if (!(hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL))
+		ufshcd_wb_toggle_flush(hba, false);
+
+	ufshcd_wb_toggle_flush_during_h8(hba, false);
+	ufshcd_wb_toggle(hba, false);
+	hba->caps &= ~UFSHCD_CAP_WB_EN;
+
+	dev_info(hba->dev, "%s: WB force disabled\n", __func__);
+}
+
+static bool ufshcd_is_wb_buf_lifetime_available(struct ufs_hba *hba)
+{
+	u32 lifetime;
+	int ret;
+	u8 index;
+
+	index = ufshcd_wb_get_query_index(hba);
+	ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR,
+				      QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST,
+				      index, 0, &lifetime);
+	if (ret) {
+		dev_err(hba->dev,
+			"%s: bWriteBoosterBufferLifeTimeEst read failed %d\n",
+			__func__, ret);
+		return false;
+	}
+
+	if (lifetime == UFS_WB_EXCEED_LIFETIME) {
+		dev_err(hba->dev, "%s: WB buf lifetime is exhausted 0x%02X\n",
+			__func__, lifetime);
+		return false;
+	}
+
+	dev_dbg(hba->dev, "%s: WB buf lifetime is 0x%02X\n",
+		__func__, lifetime);
+
+	return true;
+}
+
 static bool ufshcd_wb_need_flush(struct ufs_hba *hba)
 {
 	int ret;
@@ -5451,6 +5984,12 @@
 
 	if (!ufshcd_is_wb_allowed(hba))
 		return false;
+
+	if (!ufshcd_is_wb_buf_lifetime_available(hba)) {
+		ufshcd_wb_force_disable(hba);
+		return false;
+	}
+
 	/*
 	 * The ufs device needs the vcc to be ON to flush.
 	 * With user-space reduction enabled, it's enough to enable flush
@@ -5492,8 +6031,8 @@
 	 * after a certain delay to recheck the threshold by next runtime
 	 * suspend.
 	 */
-	pm_runtime_get_sync(hba->dev);
-	pm_runtime_put_sync(hba->dev);
+	ufshcd_rpm_get_sync(hba);
+	ufshcd_rpm_put_sync(hba);
 }
 
 /**
@@ -5510,7 +6049,6 @@
 	u32 status = 0;
 	hba = container_of(work, struct ufs_hba, eeh_work);
 
-	pm_runtime_get_sync(hba->dev);
 	ufshcd_scsi_block_requests(hba);
 	err = ufshcd_get_ee_status(hba, &status);
 	if (err) {
@@ -5519,22 +6057,17 @@
 		goto out;
 	}
 
-	status &= hba->ee_ctrl_mask;
+	trace_ufshcd_exception_event(dev_name(hba->dev), status);
 
-	if (status & MASK_EE_URGENT_BKOPS)
+	if (status & hba->ee_drv_mask & MASK_EE_URGENT_BKOPS)
 		ufshcd_bkops_exception_event_handler(hba);
 
+	if (status & hba->ee_drv_mask & MASK_EE_URGENT_TEMP)
+		ufshcd_temp_exception_event_handler(hba, status);
+
+	ufs_debugfs_exception_event(hba, status);
 out:
 	ufshcd_scsi_unblock_requests(hba);
-	/*
-	 * pm_runtime_get_noresume is called while scheduling
-	 * eeh_work to avoid suspend racing with exception work.
-	 * Hence decrement usage counter using pm_runtime_put_noidle
-	 * to allow suspend on completion of exception event handler.
-	 */
-	pm_runtime_put_noidle(hba->dev);
-	pm_runtime_put(hba->dev);
-	return;
 }
 
 /* Complete requests that have door-bell cleared */
@@ -5622,9 +6155,10 @@
 	       (hba->saved_err & (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK));
 }
 
-/* host lock must be held before calling this func */
-static inline void ufshcd_schedule_eh_work(struct ufs_hba *hba)
+void ufshcd_schedule_eh_work(struct ufs_hba *hba)
 {
+	lockdep_assert_held(hba->host->host_lock);
+
 	/* handle fatal errors only when link is not in error state */
 	if (hba->ufshcd_state != UFSHCD_STATE_ERROR) {
 		if (hba->force_reset || ufshcd_is_link_broken(hba) ||
@@ -5636,12 +6170,43 @@
 	}
 }
 
+static void ufshcd_force_error_recovery(struct ufs_hba *hba)
+{
+	spin_lock_irq(hba->host->host_lock);
+	hba->force_reset = true;
+	ufshcd_schedule_eh_work(hba);
+	spin_unlock_irq(hba->host->host_lock);
+}
+
+static void ufshcd_clk_scaling_allow(struct ufs_hba *hba, bool allow)
+{
+	down_write(&hba->clk_scaling_lock);
+	hba->clk_scaling.is_allowed = allow;
+	up_write(&hba->clk_scaling_lock);
+}
+
+static void ufshcd_clk_scaling_suspend(struct ufs_hba *hba, bool suspend)
+{
+	if (suspend) {
+		if (hba->clk_scaling.is_enabled)
+			ufshcd_suspend_clkscaling(hba);
+		ufshcd_clk_scaling_allow(hba, false);
+	} else {
+		ufshcd_clk_scaling_allow(hba, true);
+		if (hba->clk_scaling.is_enabled)
+			ufshcd_resume_clkscaling(hba);
+	}
+}
+
 static void ufshcd_err_handling_prepare(struct ufs_hba *hba)
 {
-	pm_runtime_get_sync(hba->dev);
-	if (pm_runtime_suspended(hba->dev)) {
+	ufshcd_rpm_get_sync(hba);
+	if (pm_runtime_status_suspended(&hba->sdev_ufs_device->sdev_gendev) ||
+	    hba->is_sys_suspended) {
+		enum ufs_pm_op pm_op;
+
 		/*
-		 * Don't assume anything of pm_runtime_get_sync(), if
+		 * Don't assume anything of resume, if
 		 * resume fails, irq and clocks can be OFF, and powers
 		 * can be OFF or in LPM.
 		 */
@@ -5654,30 +6219,37 @@
 		if (!ufshcd_is_clkgating_allowed(hba))
 			ufshcd_setup_clocks(hba, true);
 		ufshcd_release(hba);
-		ufshcd_vops_resume(hba, UFS_RUNTIME_PM);
+		pm_op = hba->is_sys_suspended ? UFS_SYSTEM_PM : UFS_RUNTIME_PM;
+		ufshcd_vops_resume(hba, pm_op);
 	} else {
 		ufshcd_hold(hba, false);
-		if (hba->clk_scaling.is_allowed) {
-			cancel_work_sync(&hba->clk_scaling.suspend_work);
-			cancel_work_sync(&hba->clk_scaling.resume_work);
+		if (ufshcd_is_clkscaling_supported(hba) &&
+		    hba->clk_scaling.is_enabled)
 			ufshcd_suspend_clkscaling(hba);
-		}
+		ufshcd_clk_scaling_allow(hba, false);
 	}
+	ufshcd_scsi_block_requests(hba);
+	/* Drain ufshcd_queuecommand() */
+	synchronize_rcu();
+	cancel_work_sync(&hba->eeh_work);
 }
 
 static void ufshcd_err_handling_unprepare(struct ufs_hba *hba)
 {
+	ufshcd_scsi_unblock_requests(hba);
 	ufshcd_release(hba);
-	if (hba->clk_scaling.is_allowed)
-		ufshcd_resume_clkscaling(hba);
-	pm_runtime_put(hba->dev);
+	if (ufshcd_is_clkscaling_supported(hba))
+		ufshcd_clk_scaling_suspend(hba, false);
+	ufshcd_rpm_put(hba);
 }
 
 static inline bool ufshcd_err_handling_should_stop(struct ufs_hba *hba)
 {
-	return (hba->ufshcd_state == UFSHCD_STATE_ERROR ||
+	return (!hba->is_powered || hba->shutting_down ||
+		!hba->sdev_ufs_device ||
+		hba->ufshcd_state == UFSHCD_STATE_ERROR ||
 		(!(hba->saved_err || hba->saved_uic_err || hba->force_reset ||
-			ufshcd_is_link_broken(hba))));
+		   ufshcd_is_link_broken(hba))));
 }
 
 #ifdef CONFIG_PM
@@ -5688,15 +6260,20 @@
 	struct request_queue *q;
 	int ret;
 
+	hba->is_sys_suspended = false;
 	/*
-	 * Set RPM status of hba device to RPM_ACTIVE,
+	 * Set RPM status of wlun device to RPM_ACTIVE,
 	 * this also clears its runtime error.
 	 */
-	ret = pm_runtime_set_active(hba->dev);
+	ret = pm_runtime_set_active(&hba->sdev_ufs_device->sdev_gendev);
+
+	/* hba device might have a runtime error otherwise */
+	if (ret)
+		ret = pm_runtime_set_active(hba->dev);
 	/*
-	 * If hba device had runtime error, we also need to resume those
-	 * scsi devices under hba in case any of them has failed to be
-	 * resumed due to hba runtime resume failure. This is to unblock
+	 * If wlun device had runtime error, we also need to resume those
+	 * consumer scsi devices in case any of them has failed to be
+	 * resumed due to supplier runtime resume failure. This is to unblock
 	 * blk_queue_enter in case there are bios waiting inside it.
 	 */
 	if (!ret) {
@@ -5736,41 +6313,54 @@
  */
 static void ufshcd_err_handler(struct work_struct *work)
 {
+	int retries = MAX_ERR_HANDLER_RETRIES;
 	struct ufs_hba *hba;
 	unsigned long flags;
-	bool err_xfer = false;
-	bool err_tm = false;
-	int err = 0, pmc_err;
+	bool needs_restore;
+	bool needs_reset;
+	bool err_xfer;
+	bool err_tm;
+	int pmc_err;
 	int tag;
-	bool needs_reset = false, needs_restore = false;
 
 	hba = container_of(work, struct ufs_hba, eh_work);
 
+	dev_info(hba->dev,
+		 "%s started; HBA state %s; powered %d; shutting down %d; saved_err = %d; saved_uic_err = %d; force_reset = %d%s\n",
+		 __func__, ufshcd_state_name[hba->ufshcd_state],
+		 hba->is_powered, hba->shutting_down, hba->saved_err,
+		 hba->saved_uic_err, hba->force_reset,
+		 ufshcd_is_link_broken(hba) ? "; link is broken" : "");
+
+	down(&hba->host_sem);
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (ufshcd_err_handling_should_stop(hba)) {
 		if (hba->ufshcd_state != UFSHCD_STATE_ERROR)
 			hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL;
 		spin_unlock_irqrestore(hba->host->host_lock, flags);
+		up(&hba->host_sem);
 		return;
 	}
 	ufshcd_set_eh_in_progress(hba);
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 	ufshcd_err_handling_prepare(hba);
+	/* Complete requests that have door-bell cleared by h/w */
+	ufshcd_complete_requests(hba);
 	spin_lock_irqsave(hba->host->host_lock, flags);
-	ufshcd_scsi_block_requests(hba);
+again:
+	needs_restore = false;
+	needs_reset = false;
+	err_xfer = false;
+	err_tm = false;
+
+	if (hba->ufshcd_state != UFSHCD_STATE_ERROR)
+		hba->ufshcd_state = UFSHCD_STATE_RESET;
 	/*
 	 * A full reset and restore might have happened after preparation
 	 * is finished, double check whether we should stop.
 	 */
-	if (ufshcd_err_handling_should_stop(hba)) {
-		if (hba->ufshcd_state != UFSHCD_STATE_ERROR)
-			hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL;
-		goto out;
-	}
-	hba->ufshcd_state = UFSHCD_STATE_RESET;
-
-	/* Complete requests that have door-bell cleared by h/w */
-	ufshcd_complete_requests(hba);
+	if (ufshcd_err_handling_should_stop(hba))
+		goto skip_err_handling;
 
 	if (hba->dev_quirks & UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS) {
 		bool ret;
@@ -5779,17 +6369,10 @@
 		/* release the lock as ufshcd_quirk_dl_nac_errors() may sleep */
 		ret = ufshcd_quirk_dl_nac_errors(hba);
 		spin_lock_irqsave(hba->host->host_lock, flags);
-		if (!ret && !hba->force_reset && ufshcd_is_link_active(hba))
+		if (!ret && ufshcd_err_handling_should_stop(hba))
 			goto skip_err_handling;
 	}
 
-	if (hba->force_reset || ufshcd_is_link_broken(hba) ||
-	    ufshcd_is_saved_err_fatal(hba) ||
-	    ((hba->saved_err & UIC_ERROR) &&
-	     (hba->saved_uic_err & (UFSHCD_UIC_DL_NAC_RECEIVED_ERROR |
-				    UFSHCD_UIC_DL_TCx_REPLAY_ERROR))))
-		needs_reset = true;
-
 	if ((hba->saved_err & (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)) ||
 	    (hba->saved_uic_err &&
 	     (hba->saved_uic_err != UFSHCD_UIC_PA_GENERIC_ERROR))) {
@@ -5798,7 +6381,7 @@
 		spin_unlock_irqrestore(hba->host->host_lock, flags);
 		ufshcd_print_host_state(hba);
 		ufshcd_print_pwr_info(hba);
-		ufshcd_print_host_regs(hba);
+		ufshcd_print_evt_hist(hba);
 		ufshcd_print_tmrs(hba, hba->outstanding_tasks);
 		ufshcd_print_trs(hba, hba->outstanding_reqs, pr_prdt);
 		spin_lock_irqsave(hba->host->host_lock, flags);
@@ -5809,8 +6392,14 @@
 	 * transfers forcefully because they will get cleared during
 	 * host reset and restore
 	 */
-	if (needs_reset)
+	if (hba->force_reset || ufshcd_is_link_broken(hba) ||
+	    ufshcd_is_saved_err_fatal(hba) ||
+	    ((hba->saved_err & UIC_ERROR) &&
+	     (hba->saved_uic_err & (UFSHCD_UIC_DL_NAC_RECEIVED_ERROR |
+				    UFSHCD_UIC_DL_TCx_REPLAY_ERROR)))) {
+		needs_reset = true;
 		goto do_reset;
+	}
 
 	/*
 	 * If LINERESET was caught, UFS might have been put to PWM mode,
@@ -5837,6 +6426,8 @@
 			err_xfer = true;
 			goto lock_skip_pending_xfer_clear;
 		}
+		dev_err(hba->dev, "Aborted tag %d / CDB %#02x\n", tag,
+			hba->lrb[tag].cmd ? hba->lrb[tag].cmd->cmnd[0] : -1);
 	}
 
 	/* Clear pending task management requests */
@@ -5848,12 +6439,11 @@
 	}
 
 lock_skip_pending_xfer_clear:
-	spin_lock_irqsave(hba->host->host_lock, flags);
-
 	/* Complete the requests that are cleared by s/w */
 	ufshcd_complete_requests(hba);
-	hba->silence_err_logs = false;
 
+	spin_lock_irqsave(hba->host->host_lock, flags);
+	hba->silence_err_logs = false;
 	if (err_xfer || err_tm) {
 		needs_reset = true;
 		goto do_reset;
@@ -5886,18 +6476,7 @@
 do_reset:
 	/* Fatal errors need reset */
 	if (needs_reset) {
-		unsigned long max_doorbells = (1UL << hba->nutrs) - 1;
-
-		/*
-		 * ufshcd_reset_and_restore() does the link reinitialization
-		 * which will need atleast one empty doorbell slot to send the
-		 * device management commands (NOP and query commands).
-		 * If there is no slot empty at this moment then free up last
-		 * slot forcefully.
-		 */
-		if (hba->outstanding_reqs == max_doorbells)
-			__ufshcd_transfer_req_compl(hba,
-						    (1UL << (hba->nutrs - 1)));
+		int err;
 
 		hba->force_reset = false;
 		spin_unlock_irqrestore(hba->host->host_lock, flags);
@@ -5918,12 +6497,20 @@
 			dev_err_ratelimited(hba->dev, "%s: exit: saved_err 0x%x saved_uic_err 0x%x",
 			    __func__, hba->saved_err, hba->saved_uic_err);
 	}
-
-out:
+	/* Exit in an operational state or dead */
+	if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL &&
+	    hba->ufshcd_state != UFSHCD_STATE_ERROR) {
+		if (--retries)
+			goto again;
+		hba->ufshcd_state = UFSHCD_STATE_ERROR;
+	}
 	ufshcd_clear_eh_in_progress(hba);
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
-	ufshcd_scsi_unblock_requests(hba);
 	ufshcd_err_handling_unprepare(hba);
+	up(&hba->host_sem);
+
+	dev_info(hba->dev, "%s finished; HBA state %s\n", __func__,
+		 ufshcd_state_name[hba->ufshcd_state]);
 }
 
 /**
@@ -5943,7 +6530,7 @@
 	reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER);
 	if ((reg & UIC_PHY_ADAPTER_LAYER_ERROR) &&
 	    (reg & UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK)) {
-		ufshcd_update_reg_hist(&hba->ufs_stats.pa_err, reg);
+		ufshcd_update_evt_hist(hba, UFS_EVT_PA_ERR, reg);
 		/*
 		 * To know whether this error is fatal or not, DB timeout
 		 * must be checked but this error is handled separately.
@@ -5973,7 +6560,7 @@
 	reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DATA_LINK_LAYER);
 	if ((reg & UIC_DATA_LINK_LAYER_ERROR) &&
 	    (reg & UIC_DATA_LINK_LAYER_ERROR_CODE_MASK)) {
-		ufshcd_update_reg_hist(&hba->ufs_stats.dl_err, reg);
+		ufshcd_update_evt_hist(hba, UFS_EVT_DL_ERR, reg);
 
 		if (reg & UIC_DATA_LINK_LAYER_ERROR_PA_INIT)
 			hba->uic_error |= UFSHCD_UIC_DL_PA_INIT_ERROR;
@@ -5992,7 +6579,7 @@
 	reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_NETWORK_LAYER);
 	if ((reg & UIC_NETWORK_LAYER_ERROR) &&
 	    (reg & UIC_NETWORK_LAYER_ERROR_CODE_MASK)) {
-		ufshcd_update_reg_hist(&hba->ufs_stats.nl_err, reg);
+		ufshcd_update_evt_hist(hba, UFS_EVT_NL_ERR, reg);
 		hba->uic_error |= UFSHCD_UIC_NL_ERROR;
 		retval |= IRQ_HANDLED;
 	}
@@ -6000,7 +6587,7 @@
 	reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_TRANSPORT_LAYER);
 	if ((reg & UIC_TRANSPORT_LAYER_ERROR) &&
 	    (reg & UIC_TRANSPORT_LAYER_ERROR_CODE_MASK)) {
-		ufshcd_update_reg_hist(&hba->ufs_stats.tl_err, reg);
+		ufshcd_update_evt_hist(hba, UFS_EVT_TL_ERR, reg);
 		hba->uic_error |= UFSHCD_UIC_TL_ERROR;
 		retval |= IRQ_HANDLED;
 	}
@@ -6008,7 +6595,7 @@
 	reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DME);
 	if ((reg & UIC_DME_ERROR) &&
 	    (reg & UIC_DME_ERROR_CODE_MASK)) {
-		ufshcd_update_reg_hist(&hba->ufs_stats.dme_err, reg);
+		ufshcd_update_evt_hist(hba, UFS_EVT_DME_ERR, reg);
 		hba->uic_error |= UFSHCD_UIC_DME_ERROR;
 		retval |= IRQ_HANDLED;
 	}
@@ -6018,39 +6605,26 @@
 	return retval;
 }
 
-static bool ufshcd_is_auto_hibern8_error(struct ufs_hba *hba,
-					 u32 intr_mask)
-{
-	if (!ufshcd_is_auto_hibern8_supported(hba) ||
-	    !ufshcd_is_auto_hibern8_enabled(hba))
-		return false;
-
-	if (!(intr_mask & UFSHCD_UIC_HIBERN8_MASK))
-		return false;
-
-	if (hba->active_uic_cmd &&
-	    (hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_ENTER ||
-	    hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_EXIT))
-		return false;
-
-	return true;
-}
-
 /**
  * ufshcd_check_errors - Check for errors that need s/w attention
  * @hba: per-adapter instance
+ * @intr_status: interrupt status generated by the controller
  *
  * Returns
  *  IRQ_HANDLED - If interrupt is valid
  *  IRQ_NONE    - If invalid interrupt
  */
-static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba)
+static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba, u32 intr_status)
 {
 	bool queue_eh_work = false;
 	irqreturn_t retval = IRQ_NONE;
 
+	spin_lock(hba->host->host_lock);
+	hba->errors |= UFSHCD_ERROR_MASK & intr_status;
+
 	if (hba->errors & INT_FATAL_ERRORS) {
-		ufshcd_update_reg_hist(&hba->ufs_stats.fatal_err, hba->errors);
+		ufshcd_update_evt_hist(hba, UFS_EVT_FATAL_ERR,
+				       hba->errors);
 		queue_eh_work = true;
 	}
 
@@ -6067,12 +6641,14 @@
 			__func__, (hba->errors & UIC_HIBERNATE_ENTER) ?
 			"Enter" : "Exit",
 			hba->errors, ufshcd_get_upmcrs(hba));
-		ufshcd_update_reg_hist(&hba->ufs_stats.auto_hibern8_err,
+		ufshcd_update_evt_hist(hba, UFS_EVT_AUTO_HIBERN8_ERR,
 				       hba->errors);
 		ufshcd_set_link_broken(hba);
 		queue_eh_work = true;
 	}
 
+	trace_android_vh_ufs_check_int_errors(hba, queue_eh_work);
+
 	if (queue_eh_work) {
 		/*
 		 * update the transfer error masks to sticky bits, let's do this
@@ -6082,7 +6658,8 @@
 		hba->saved_uic_err |= hba->uic_error;
 
 		/* dump controller state before resetting */
-		if ((hba->saved_err & (INT_FATAL_ERRORS)) ||
+		if ((hba->saved_err &
+		     (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)) ||
 		    (hba->saved_uic_err &&
 		     (hba->saved_uic_err != UFSHCD_UIC_PA_GENERIC_ERROR))) {
 			dev_err(hba->dev, "%s: saved_err 0x%x saved_uic_err 0x%x\n",
@@ -6101,6 +6678,9 @@
 	 * itself without s/w intervention or errors that will be
 	 * handled by the SCSI core layer.
 	 */
+	hba->errors = 0;
+	hba->uic_error = 0;
+	spin_unlock(hba->host->host_lock);
 	return retval;
 }
 
@@ -6114,12 +6694,12 @@
  */
 static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba)
 {
-	unsigned long pending, issued;
+	unsigned long flags, pending, issued;
 	irqreturn_t ret = IRQ_NONE;
 	int tag;
 
+	spin_lock_irqsave(hba->host->host_lock, flags);
 	pending = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL);
-
 	issued = hba->outstanding_tasks & ~pending;
 	for_each_set_bit(tag, &issued, hba->nutmrs) {
 		struct request *req = hba->tmf_rqs[tag];
@@ -6128,6 +6708,7 @@
 		complete(c);
 		ret = IRQ_HANDLED;
 	}
+	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
 	return ret;
 }
@@ -6145,17 +6726,12 @@
 {
 	irqreturn_t retval = IRQ_NONE;
 
-	hba->errors = UFSHCD_ERROR_MASK & intr_status;
-
-	if (ufshcd_is_auto_hibern8_error(hba, intr_status))
-		hba->errors |= (UFSHCD_UIC_HIBERN8_MASK & intr_status);
-
-	if (hba->errors)
-		retval |= ufshcd_check_errors(hba);
-
 	if (intr_status & UFSHCD_UIC_MASK)
 		retval |= ufshcd_uic_cmd_compl(hba, intr_status);
 
+	if (intr_status & UFSHCD_ERROR_MASK || hba->errors)
+		retval |= ufshcd_check_errors(hba, intr_status);
+
 	if (intr_status & UTP_TASK_REQ_COMPL)
 		retval |= ufshcd_tmc_handler(hba);
 
@@ -6181,7 +6757,6 @@
 	struct ufs_hba *hba = __hba;
 	int retries = hba->nutrs;
 
-	spin_lock(hba->host->host_lock);
 	intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
 	hba->ufs_stats.last_intr_status = intr_status;
 	hba->ufs_stats.last_intr_ts = ktime_get();
@@ -6195,8 +6770,7 @@
 	while (intr_status && retries--) {
 		enabled_intr_status =
 			intr_status & ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
-		if (intr_status)
-			ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
+		ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
 		if (enabled_intr_status)
 			retval |= ufshcd_sl_intr(hba, enabled_intr_status);
 
@@ -6204,7 +6778,8 @@
 	}
 
 	if (enabled_intr_status && retval == IRQ_NONE &&
-				!ufshcd_eh_in_progress(hba)) {
+	    (!(enabled_intr_status & UTP_TRANSFER_REQ_COMPL) ||
+	     hba->outstanding_reqs) && !ufshcd_eh_in_progress(hba)) {
 		dev_err(hba->dev, "%s: Unhandled interrupt 0x%08x (0x%08x, 0x%08x)\n",
 					__func__,
 					intr_status,
@@ -6213,7 +6788,6 @@
 		ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: ");
 	}
 
-	spin_unlock(hba->host->host_lock);
 	return retval;
 }
 
@@ -6234,6 +6808,10 @@
 	err = ufshcd_wait_for_register(hba,
 			REG_UTP_TASK_REQ_DOOR_BELL,
 			mask, 0, 1000, 1000);
+
+	dev_err(hba->dev, "Clearing task management function with tag %d %s\n",
+		tag, err ? "succeeded" : "failed");
+
 out:
 	return err;
 }
@@ -6261,8 +6839,10 @@
 	spin_lock_irqsave(host->host_lock, flags);
 
 	task_tag = req->tag;
+	WARN_ONCE(task_tag < 0 || task_tag >= hba->nutmrs, "Invalid tag %d\n",
+		  task_tag);
 	hba->tmf_rqs[req->tag] = req;
-	treq->req_header.dword_0 |= cpu_to_be32(task_tag);
+	treq->upiu_req.req_header.dword_0 |= cpu_to_be32(task_tag);
 
 	memcpy(hba->utmrdl_base_addr + task_tag, treq, sizeof(*treq));
 	ufshcd_vops_setup_task_mgmt(hba, task_tag, tm_function);
@@ -6270,22 +6850,19 @@
 	/* send command to the controller */
 	__set_bit(task_tag, &hba->outstanding_tasks);
 
-	/* Make sure descriptors are ready before ringing the task doorbell */
-	wmb();
-
 	ufshcd_writel(hba, 1 << task_tag, REG_UTP_TASK_REQ_DOOR_BELL);
 	/* Make sure that doorbell is committed immediately */
 	wmb();
 
 	spin_unlock_irqrestore(host->host_lock, flags);
 
-	ufshcd_add_tm_upiu_trace(hba, task_tag, "tm_send");
+	ufshcd_add_tm_upiu_trace(hba, task_tag, UFS_TM_SEND);
 
 	/* wait until the task management command is completed */
 	err = wait_for_completion_io_timeout(&wait,
 			msecs_to_jiffies(TM_CMD_TIMEOUT));
 	if (!err) {
-		ufshcd_add_tm_upiu_trace(hba, task_tag, "tm_complete_err");
+		ufshcd_add_tm_upiu_trace(hba, task_tag, UFS_TM_ERR);
 		dev_err(hba->dev, "%s: task management cmd 0x%.2x timed-out\n",
 				__func__, tm_function);
 		if (ufshcd_clear_tm_cmd(hba, task_tag))
@@ -6296,7 +6873,7 @@
 		err = 0;
 		memcpy(treq, hba->utmrdl_base_addr + task_tag, sizeof(*treq));
 
-		ufshcd_add_tm_upiu_trace(hba, task_tag, "tm_complete");
+		ufshcd_add_tm_upiu_trace(hba, task_tag, UFS_TM_COMP);
 	}
 
 	spin_lock_irqsave(hba->host->host_lock, flags);
@@ -6324,23 +6901,24 @@
 		u8 tm_function, u8 *tm_response)
 {
 	struct utp_task_req_desc treq = { { 0 }, };
-	int ocs_value, err;
+	enum utp_ocs ocs_value;
+	int err;
 
 	/* Configure task request descriptor */
 	treq.header.dword_0 = cpu_to_le32(UTP_REQ_DESC_INT_CMD);
 	treq.header.dword_2 = cpu_to_le32(OCS_INVALID_COMMAND_STATUS);
 
 	/* Configure task request UPIU */
-	treq.req_header.dword_0 = cpu_to_be32(lun_id << 8) |
+	treq.upiu_req.req_header.dword_0 = cpu_to_be32(lun_id << 8) |
 				  cpu_to_be32(UPIU_TRANSACTION_TASK_REQ << 24);
-	treq.req_header.dword_1 = cpu_to_be32(tm_function << 16);
+	treq.upiu_req.req_header.dword_1 = cpu_to_be32(tm_function << 16);
 
 	/*
 	 * The host shall provide the same value for LUN field in the basic
 	 * header and for Input Parameter.
 	 */
-	treq.input_param1 = cpu_to_be32(lun_id);
-	treq.input_param2 = cpu_to_be32(task_id);
+	treq.upiu_req.input_param1 = cpu_to_be32(lun_id);
+	treq.upiu_req.input_param2 = cpu_to_be32(task_id);
 
 	err = __ufshcd_issue_tm_cmd(hba, &treq, tm_function);
 	if (err == -ETIMEDOUT)
@@ -6351,7 +6929,7 @@
 		dev_err(hba->dev, "%s: failed, ocs = 0x%x\n",
 				__func__, ocs_value);
 	else if (tm_response)
-		*tm_response = be32_to_cpu(treq.output_param1) &
+		*tm_response = be32_to_cpu(treq.upiu_rsp.output_param1) &
 				MASK_TM_SERVICE_RESP;
 	return err;
 }
@@ -6380,29 +6958,19 @@
 					enum dev_cmd_type cmd_type,
 					enum query_opcode desc_op)
 {
-	struct request_queue *q = hba->cmd_queue;
-	struct request *req;
+	DECLARE_COMPLETION_ONSTACK(wait);
+	const u32 tag = hba->reserved_slot;
 	struct ufshcd_lrb *lrbp;
 	int err = 0;
-	int tag;
-	struct completion wait;
-	unsigned long flags;
 	u8 upiu_flags;
 
+	/* Protects use of hba->reserved_slot. */
+	lockdep_assert_held(&hba->dev_cmd.lock);
+
 	down_read(&hba->clk_scaling_lock);
 
-	req = blk_get_request(q, REQ_OP_DRV_OUT, 0);
-	if (IS_ERR(req)) {
-		err = PTR_ERR(req);
-		goto out_unlock;
-	}
-	tag = req->tag;
-	WARN_ON_ONCE(!ufshcd_valid_tag(hba, tag));
-
-	init_completion(&wait);
 	lrbp = &hba->lrb[tag];
 	WARN_ON(lrbp->cmd);
-
 	lrbp->cmd = NULL;
 	lrbp->sense_bufflen = 0;
 	lrbp->sense_buffer = NULL;
@@ -6412,15 +6980,10 @@
 	ufshcd_prepare_lrbp_crypto(NULL, lrbp);
 	hba->dev_cmd.type = cmd_type;
 
-	switch (hba->ufs_version) {
-	case UFSHCI_VERSION_10:
-	case UFSHCI_VERSION_11:
+	if (hba->ufs_version <= ufshci_version(1, 1))
 		lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
-		break;
-	default:
+	else
 		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
-		break;
-	}
 
 	/* update the task tag in the request upiu */
 	req_upiu->header.dword_0 |= cpu_to_be32(tag);
@@ -6442,12 +7005,9 @@
 
 	hba->dev_cmd.complete = &wait;
 
-	/* Make sure descriptors are ready before ringing the doorbell */
-	wmb();
-	spin_lock_irqsave(hba->host->host_lock, flags);
-	ufshcd_send_command(hba, tag);
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
+	ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr);
 
+	ufshcd_send_command(hba, tag);
 	/*
 	 * ignore the returning value here - ufshcd_check_query_response is
 	 * bound to fail since dev_cmd.query and dev_cmd.type were left empty.
@@ -6473,9 +7033,9 @@
 			err = -EINVAL;
 		}
 	}
+	ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP,
+				    (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
 
-	blk_put_request(req);
-out_unlock:
 	up_read(&hba->clk_scaling_lock);
 	return err;
 }
@@ -6505,7 +7065,7 @@
 	int err;
 	enum dev_cmd_type cmd_type = DEV_CMD_TYPE_QUERY;
 	struct utp_task_req_desc treq = { { 0 }, };
-	int ocs_value;
+	enum utp_ocs ocs_value;
 	u8 tm_f = be32_to_cpu(req_upiu->header.dword_1) >> 16 & MASK_TM_FUNC;
 
 	switch (msgcode) {
@@ -6526,7 +7086,7 @@
 		treq.header.dword_0 = cpu_to_le32(UTP_REQ_DESC_INT_CMD);
 		treq.header.dword_2 = cpu_to_le32(OCS_INVALID_COMMAND_STATUS);
 
-		memcpy(&treq.req_header, req_upiu, sizeof(*req_upiu));
+		memcpy(&treq.upiu_req, req_upiu, sizeof(*req_upiu));
 
 		err = __ufshcd_issue_tm_cmd(hba, &treq, tm_f);
 		if (err == -ETIMEDOUT)
@@ -6539,7 +7099,7 @@
 			break;
 		}
 
-		memcpy(rsp_upiu, &treq.rsp_header, sizeof(*rsp_upiu));
+		memcpy(rsp_upiu, &treq.upiu_rsp, sizeof(*rsp_upiu));
 
 		break;
 	default:
@@ -6552,20 +7112,19 @@
 }
 
 /**
- * ufshcd_eh_device_reset_handler - device reset handler registered to
- *                                    scsi layer.
+ * ufshcd_eh_device_reset_handler() - Reset a single logical unit.
  * @cmd: SCSI command pointer
  *
  * Returns SUCCESS/FAILED
  */
 static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)
 {
+	unsigned long flags, pending_reqs = 0, not_cleared = 0;
 	struct Scsi_Host *host;
 	struct ufs_hba *hba;
 	u32 pos;
 	int err;
 	u8 resp = 0xF, lun;
-	unsigned long flags;
 
 	host = cmd->device->host;
 	hba = shost_priv(host);
@@ -6579,20 +7138,28 @@
 	}
 
 	/* clear the commands that were pending for corresponding LUN */
-	for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs) {
-		if (hba->lrb[pos].lun == lun) {
-			err = ufshcd_clear_cmd(hba, pos);
-			if (err)
-				break;
-		}
+	spin_lock_irqsave(&hba->outstanding_lock, flags);
+	for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs)
+		if (hba->lrb[pos].lun == lun)
+			__set_bit(pos, &pending_reqs);
+	hba->outstanding_reqs &= ~pending_reqs;
+	spin_unlock_irqrestore(&hba->outstanding_lock, flags);
+
+	if (ufshcd_clear_cmds(hba, pending_reqs) < 0) {
+		spin_lock_irqsave(&hba->outstanding_lock, flags);
+		not_cleared = pending_reqs &
+			ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
+		hba->outstanding_reqs |= not_cleared;
+		spin_unlock_irqrestore(&hba->outstanding_lock, flags);
+
+		dev_err(hba->dev, "%s: failed to clear requests %#lx\n",
+			__func__, not_cleared);
 	}
-	spin_lock_irqsave(host->host_lock, flags);
-	ufshcd_transfer_req_compl(hba);
-	spin_unlock_irqrestore(host->host_lock, flags);
+	__ufshcd_transfer_req_compl(hba, pending_reqs & ~not_cleared);
 
 out:
 	hba->req_abort_count = 0;
-	ufshcd_update_reg_hist(&hba->ufs_stats.dev_reset, (u32)err);
+	ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, (u32)err);
 	if (!err) {
 		err = SUCCESS;
 	} else {
@@ -6615,7 +7182,8 @@
 
 /**
  * ufshcd_try_to_abort_task - abort a specific task
- * @cmd: SCSI command pointer
+ * @hba: Pointer to adapter instance
+ * @tag: Task tag/index to be aborted
  *
  * Abort the pending command in device by sending UFS_ABORT_TASK task management
  * command, and in host controller by clearing the door-bell register. There can
@@ -6684,7 +7252,7 @@
 		goto out;
 	}
 
-	err = ufshcd_clear_cmd(hba, tag);
+	err = ufshcd_clear_cmds(hba, 1U << tag);
 	if (err)
 		dev_err(hba->dev, "%s: Failed clearing cmd at tag %d, err %d\n",
 			__func__, tag, err);
@@ -6701,43 +7269,25 @@
  */
 static int ufshcd_abort(struct scsi_cmnd *cmd)
 {
-	struct Scsi_Host *host;
-	struct ufs_hba *hba;
+	struct Scsi_Host *host = cmd->device->host;
+	struct ufs_hba *hba = shost_priv(host);
+	int tag = scsi_cmd_to_rq(cmd)->tag;
+	struct ufshcd_lrb *lrbp = &hba->lrb[tag];
 	unsigned long flags;
-	unsigned int tag;
-	int err = 0;
-	struct ufshcd_lrb *lrbp;
+	int err = FAILED;
+	bool outstanding;
 	u32 reg;
 
-	host = cmd->device->host;
-	hba = shost_priv(host);
-	tag = cmd->request->tag;
-	lrbp = &hba->lrb[tag];
-	if (!ufshcd_valid_tag(hba, tag)) {
-		dev_err(hba->dev,
-			"%s: invalid command tag %d: cmd=0x%p, cmd->request=0x%p",
-			__func__, tag, cmd, cmd->request);
-		BUG();
-	}
-
-	/*
-	 * Task abort to the device W-LUN is illegal. When this command
-	 * will fail, due to spec violation, scsi err handling next step
-	 * will be to send LU reset which, again, is a spec violation.
-	 * To avoid these unnecessary/illegal step we skip to the last error
-	 * handling stage: reset and restore.
-	 */
-	if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN)
-		return ufshcd_eh_host_reset_handler(cmd);
+	WARN_ONCE(tag < 0, "Invalid tag %d\n", tag);
 
 	ufshcd_hold(hba, false);
 	reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
-	/* If command is already aborted/completed, return SUCCESS */
+	/* If command is already aborted/completed, return FAILED. */
 	if (!(test_bit(tag, &hba->outstanding_reqs))) {
 		dev_err(hba->dev,
 			"%s: cmd at tag %d already completed, outstanding=0x%lx, doorbell=0x%x\n",
 			__func__, tag, hba->outstanding_reqs, reg);
-		goto out;
+		goto release;
 	}
 
 	/* Print Transfer Request of aborted task */
@@ -6750,10 +7300,10 @@
 	 * to reduce repeated printouts. For other aborted requests only print
 	 * basic details.
 	 */
-	scsi_print_command(hba->lrb[tag].cmd);
+	scsi_print_command(cmd);
 	if (!hba->req_abort_count) {
-		ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, 0);
-		ufshcd_print_host_regs(hba);
+		ufshcd_update_evt_hist(hba, UFS_EVT_ABORT, tag);
+		ufshcd_print_evt_hist(hba);
 		ufshcd_print_host_state(hba);
 		ufshcd_print_pwr_info(hba);
 		ufshcd_print_trs(hba, 1 << tag, true);
@@ -6766,32 +7316,58 @@
 		dev_err(hba->dev,
 		"%s: cmd was completed, but without a notifying intr, tag = %d",
 		__func__, tag);
-		goto cleanup;
-	}
-
-	/* Skip task abort in case previous aborts failed and report failure */
-	if (lrbp->req_abort_skip)
-		err = -EIO;
-	else
-		err = ufshcd_try_to_abort_task(hba, tag);
-
-	if (!err) {
-cleanup:
-		spin_lock_irqsave(host->host_lock, flags);
-		__ufshcd_transfer_req_compl(hba, (1UL << tag));
-		spin_unlock_irqrestore(host->host_lock, flags);
-out:
-		err = SUCCESS;
-	} else {
-		dev_err(hba->dev, "%s: failed with err %d\n", __func__, err);
-		ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs);
-		err = FAILED;
+		__ufshcd_transfer_req_compl(hba, 1UL << tag);
+		goto release;
 	}
 
 	/*
-	 * This ufshcd_release() corresponds to the original scsi cmd that got
-	 * aborted here (as we won't get any IRQ for it).
+	 * Task abort to the device W-LUN is illegal. When this command
+	 * will fail, due to spec violation, scsi err handling next step
+	 * will be to send LU reset which, again, is a spec violation.
+	 * To avoid these unnecessary/illegal steps, first we clean up
+	 * the lrb taken by this cmd and re-set it in outstanding_reqs,
+	 * then queue the eh_work and bail.
 	 */
+	if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN) {
+		ufshcd_update_evt_hist(hba, UFS_EVT_ABORT, lrbp->lun);
+
+		spin_lock_irqsave(host->host_lock, flags);
+		hba->force_reset = true;
+		ufshcd_schedule_eh_work(hba);
+		spin_unlock_irqrestore(host->host_lock, flags);
+		goto release;
+	}
+
+	/* Skip task abort in case previous aborts failed and report failure */
+	if (lrbp->req_abort_skip) {
+		dev_err(hba->dev, "%s: skipping abort\n", __func__);
+		ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs);
+		goto release;
+	}
+
+	err = ufshcd_try_to_abort_task(hba, tag);
+	if (err) {
+		dev_err(hba->dev, "%s: failed with err %d\n", __func__, err);
+		ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs);
+		err = FAILED;
+		goto release;
+	}
+
+	/*
+	 * Clear the corresponding bit from outstanding_reqs since the command
+	 * has been aborted successfully.
+	 */
+	spin_lock_irqsave(&hba->outstanding_lock, flags);
+	outstanding = __test_and_clear_bit(tag, &hba->outstanding_reqs);
+	spin_unlock_irqrestore(&hba->outstanding_lock, flags);
+
+	if (outstanding)
+		ufshcd_release_scsi_cmd(hba, lrbp);
+
+	err = SUCCESS;
+
+release:
+	/* Matches the ufshcd_hold() call at the start of this function. */
 	ufshcd_release(hba);
 	return err;
 }
@@ -6809,34 +7385,29 @@
 static int ufshcd_host_reset_and_restore(struct ufs_hba *hba)
 {
 	int err;
-	unsigned long flags;
 
 	/*
 	 * Stop the host controller and complete the requests
 	 * cleared by h/w
 	 */
+	ufshpb_reset_host(hba);
 	ufshcd_hba_stop(hba);
-
-	spin_lock_irqsave(hba->host->host_lock, flags);
 	hba->silence_err_logs = true;
 	ufshcd_complete_requests(hba);
 	hba->silence_err_logs = false;
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
 	/* scale up clocks to max frequency before full reinitialization */
 	ufshcd_set_clk_freq(hba, true);
 
 	err = ufshcd_hba_enable(hba);
-	if (err)
-		goto out;
 
 	/* Establish the link again and restore the device */
-	err = ufshcd_probe_hba(hba, false);
+	if (!err)
+		err = ufshcd_probe_hba(hba, false);
 
-out:
 	if (err)
 		dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err);
-	ufshcd_update_reg_hist(&hba->ufs_stats.host_reset, (u32)err);
+	ufshcd_update_evt_hist(hba, UFS_EVT_HOST_RESET, (u32)err);
 	return err;
 }
 
@@ -6851,37 +7422,48 @@
  */
 static int ufshcd_reset_and_restore(struct ufs_hba *hba)
 {
-	u32 saved_err;
-	u32 saved_uic_err;
+	u32 saved_err = 0;
+	u32 saved_uic_err = 0;
 	int err = 0;
 	unsigned long flags;
 	int retries = MAX_HOST_RESET_RETRIES;
 
-	/*
-	 * This is a fresh start, cache and clear saved error first,
-	 * in case new error generated during reset and restore.
-	 */
 	spin_lock_irqsave(hba->host->host_lock, flags);
-	saved_err = hba->saved_err;
-	saved_uic_err = hba->saved_uic_err;
-	hba->saved_err = 0;
-	hba->saved_uic_err = 0;
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
-
 	do {
+		/*
+		 * This is a fresh start, cache and clear saved error first,
+		 * in case new error generated during reset and restore.
+		 */
+		saved_err |= hba->saved_err;
+		saved_uic_err |= hba->saved_uic_err;
+		hba->saved_err = 0;
+		hba->saved_uic_err = 0;
+		hba->force_reset = false;
+		hba->ufshcd_state = UFSHCD_STATE_RESET;
+		spin_unlock_irqrestore(hba->host->host_lock, flags);
+
 		/* Reset the attached device */
-		ufshcd_vops_device_reset(hba);
+		ufshcd_device_reset(hba);
 
 		err = ufshcd_host_reset_and_restore(hba);
+
+		spin_lock_irqsave(hba->host->host_lock, flags);
+		if (err)
+			continue;
+		/* Do not exit unless operational or dead */
+		if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL &&
+		    hba->ufshcd_state != UFSHCD_STATE_ERROR &&
+		    hba->ufshcd_state != UFSHCD_STATE_EH_SCHEDULED_NON_FATAL)
+			err = -EAGAIN;
 	} while (err && --retries);
 
-	spin_lock_irqsave(hba->host->host_lock, flags);
 	/*
 	 * Inform scsi mid-layer that we did reset and allow to handle
 	 * Unit Attention properly.
 	 */
 	scsi_report_bus_reset(hba->host, 0);
 	if (err) {
+		hba->ufshcd_state = UFSHCD_STATE_ERROR;
 		hba->saved_err |= saved_err;
 		hba->saved_uic_err |= saved_uic_err;
 	}
@@ -6966,7 +7548,7 @@
 }
 
 /**
- * ufshcd_calc_icc_level - calculate the max ICC level
+ * ufshcd_find_max_sup_active_icc_level - calculate the max ICC level
  * In case regulators are not initialized we'll return 0
  * @hba: per-adapter instance
  * @desc_buf: power descriptor buffer to extract ICC levels from.
@@ -6981,25 +7563,31 @@
 
 	if (!hba->vreg_info.vcc || !hba->vreg_info.vccq ||
 						!hba->vreg_info.vccq2) {
-		dev_err(hba->dev,
+		/*
+		 * Using dev_dbg to avoid messages during runtime PM to avoid
+		 * never-ending cycles of messages written back to storage by
+		 * user space causing runtime resume, causing more messages and
+		 * so on.
+		 */
+		dev_dbg(hba->dev,
 			"%s: Regulator capability was not set, actvIccLevel=%d",
 							__func__, icc_level);
 		goto out;
 	}
 
-	if (hba->vreg_info.vcc && hba->vreg_info.vcc->max_uA)
+	if (hba->vreg_info.vcc->max_uA)
 		icc_level = ufshcd_get_max_icc_level(
 				hba->vreg_info.vcc->max_uA,
 				POWER_DESC_MAX_ACTV_ICC_LVLS - 1,
 				&desc_buf[PWR_DESC_ACTIVE_LVLS_VCC_0]);
 
-	if (hba->vreg_info.vccq && hba->vreg_info.vccq->max_uA)
+	if (hba->vreg_info.vccq->max_uA)
 		icc_level = ufshcd_get_max_icc_level(
 				hba->vreg_info.vccq->max_uA,
 				icc_level,
 				&desc_buf[PWR_DESC_ACTIVE_LVLS_VCCQ_0]);
 
-	if (hba->vreg_info.vccq2 && hba->vreg_info.vccq2->max_uA)
+	if (hba->vreg_info.vccq2->max_uA)
 		icc_level = ufshcd_get_max_icc_level(
 				hba->vreg_info.vccq2->max_uA,
 				icc_level,
@@ -7083,7 +7671,7 @@
 static int ufshcd_scsi_add_wlus(struct ufs_hba *hba)
 {
 	int ret = 0;
-	struct scsi_device *sdev_boot;
+	struct scsi_device *sdev_boot, *sdev_rpmb;
 
 	hba->sdev_ufs_device = __scsi_add_device(hba->host, 0, 0,
 		ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_UFS_DEVICE_WLUN), NULL);
@@ -7092,17 +7680,16 @@
 		hba->sdev_ufs_device = NULL;
 		goto out;
 	}
-	ufshcd_blk_pm_runtime_init(hba->sdev_ufs_device);
 	scsi_device_put(hba->sdev_ufs_device);
 
-	hba->sdev_rpmb = __scsi_add_device(hba->host, 0, 0,
+	sdev_rpmb = __scsi_add_device(hba->host, 0, 0,
 		ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_RPMB_WLUN), NULL);
-	if (IS_ERR(hba->sdev_rpmb)) {
-		ret = PTR_ERR(hba->sdev_rpmb);
+	if (IS_ERR(sdev_rpmb)) {
+		ret = PTR_ERR(sdev_rpmb);
 		goto remove_sdev_ufs_device;
 	}
-	ufshcd_blk_pm_runtime_init(hba->sdev_rpmb);
-	scsi_device_put(hba->sdev_rpmb);
+	ufshcd_blk_pm_runtime_init(sdev_rpmb);
+	scsi_device_put(sdev_rpmb);
 
 	sdev_boot = __scsi_add_device(hba->host, 0, 0,
 		ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_BOOT_WLUN), NULL);
@@ -7125,9 +7712,11 @@
 	struct ufs_dev_info *dev_info = &hba->dev_info;
 	u8 lun;
 	u32 d_lu_wb_buf_alloc;
+	u32 ext_ufs_feature;
 
 	if (!ufshcd_is_wb_allowed(hba))
 		return;
+
 	/*
 	 * Probe WB only for UFS-2.2 and UFS-3.1 (and later) devices or
 	 * UFS devices with quirk UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES
@@ -7142,30 +7731,25 @@
 	    DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP + 4)
 		goto wb_disabled;
 
-	dev_info->d_ext_ufs_feature_sup =
-		get_unaligned_be32(desc_buf +
-				   DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP);
+	ext_ufs_feature = get_unaligned_be32(desc_buf +
+					DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP);
 
-	if (!(dev_info->d_ext_ufs_feature_sup & UFS_DEV_WRITE_BOOSTER_SUP))
+	if (!(ext_ufs_feature & UFS_DEV_WRITE_BOOSTER_SUP))
 		goto wb_disabled;
 
 	/*
-	 * WB may be supported but not configured while provisioning.
-	 * The spec says, in dedicated wb buffer mode,
-	 * a max of 1 lun would have wb buffer configured.
-	 * Now only shared buffer mode is supported.
+	 * WB may be supported but not configured while provisioning. The spec
+	 * says, in dedicated wb buffer mode, a max of 1 lun would have wb
+	 * buffer configured.
 	 */
-	dev_info->b_wb_buffer_type =
-		desc_buf[DEVICE_DESC_PARAM_WB_TYPE];
+	dev_info->wb_buffer_type = desc_buf[DEVICE_DESC_PARAM_WB_TYPE];
 
 	dev_info->b_presrv_uspc_en =
 		desc_buf[DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN];
 
-	if (dev_info->b_wb_buffer_type == WB_BUF_MODE_SHARED) {
-		dev_info->d_wb_alloc_units =
-		get_unaligned_be32(desc_buf +
-				   DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS);
-		if (!dev_info->d_wb_alloc_units)
+	if (dev_info->wb_buffer_type == WB_BUF_MODE_SHARED) {
+		if (!get_unaligned_be32(desc_buf +
+				   DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS))
 			goto wb_disabled;
 	} else {
 		for (lun = 0; lun < UFS_UPIU_MAX_WB_LUN_ID; lun++) {
@@ -7184,12 +7768,39 @@
 		if (!d_lu_wb_buf_alloc)
 			goto wb_disabled;
 	}
+
+	if (!ufshcd_is_wb_buf_lifetime_available(hba))
+		goto wb_disabled;
+
 	return;
 
 wb_disabled:
 	hba->caps &= ~UFSHCD_CAP_WB_EN;
 }
 
+static void ufshcd_temp_notif_probe(struct ufs_hba *hba, u8 *desc_buf)
+{
+	struct ufs_dev_info *dev_info = &hba->dev_info;
+	u32 ext_ufs_feature;
+	u8 mask = 0;
+
+	if (!(hba->caps & UFSHCD_CAP_TEMP_NOTIF) || dev_info->wspecversion < 0x300)
+		return;
+
+	ext_ufs_feature = get_unaligned_be32(desc_buf + DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP);
+
+	if (ext_ufs_feature & UFS_DEV_LOW_TEMP_NOTIF)
+		mask |= MASK_EE_TOO_LOW_TEMP;
+
+	if (ext_ufs_feature & UFS_DEV_HIGH_TEMP_NOTIF)
+		mask |= MASK_EE_TOO_HIGH_TEMP;
+
+	if (mask) {
+		ufshcd_enable_ee(hba, mask);
+		ufs_hwmon_probe(hba, mask);
+	}
+}
+
 void ufshcd_fixup_dev_quirks(struct ufs_hba *hba, struct ufs_dev_fix *fixups)
 {
 	struct ufs_dev_fix *f;
@@ -7222,6 +7833,7 @@
 {
 	int err;
 	u8 model_index;
+	u8 b_ufs_feature_sup;
 	u8 *desc_buf;
 	struct ufs_dev_info *dev_info = &hba->dev_info;
 
@@ -7249,9 +7861,26 @@
 	/* getting Specification Version in big endian format */
 	dev_info->wspecversion = desc_buf[DEVICE_DESC_PARAM_SPEC_VER] << 8 |
 				      desc_buf[DEVICE_DESC_PARAM_SPEC_VER + 1];
+	b_ufs_feature_sup = desc_buf[DEVICE_DESC_PARAM_UFS_FEAT];
 
 	model_index = desc_buf[DEVICE_DESC_PARAM_PRDCT_NAME];
 
+	if (dev_info->wspecversion >= UFS_DEV_HPB_SUPPORT_VERSION &&
+	    (b_ufs_feature_sup & UFS_DEV_HPB_SUPPORT)) {
+		bool hpb_en = false;
+
+		ufshpb_get_dev_info(hba, desc_buf);
+
+		if (!ufshpb_is_legacy(hba))
+			err = ufshcd_query_flag_retry(hba,
+						      UPIU_QUERY_OPCODE_READ_FLAG,
+						      QUERY_FLAG_IDN_HPB_EN, 0,
+						      &hpb_en);
+
+		if (ufshpb_is_legacy(hba) || (!err && hpb_en))
+			dev_info->hpb_enabled = true;
+	}
+
 	err = ufshcd_read_string_desc(hba, model_index,
 				      &dev_info->model, SD_ASCII_STD);
 	if (err < 0) {
@@ -7260,10 +7889,15 @@
 		goto out;
 	}
 
+	hba->luns_avail = desc_buf[DEVICE_DESC_PARAM_NUM_LU] +
+		desc_buf[DEVICE_DESC_PARAM_NUM_WLU];
+
 	ufs_fixup_device_setup(hba);
 
 	ufshcd_wb_probe(hba, desc_buf);
 
+	ufshcd_temp_notif_probe(hba, desc_buf);
+
 	/*
 	 * ufshcd_read_string_desc returns size of the string
 	 * reset the error value
@@ -7416,7 +8050,7 @@
 	peer_pa_tactivate_us = peer_pa_tactivate *
 			     gran_to_us_table[peer_granularity - 1];
 
-	if (pa_tactivate_us > peer_pa_tactivate_us) {
+	if (pa_tactivate_us >= peer_pa_tactivate_us) {
 		u32 new_peer_pa_tactivate;
 
 		new_peer_pa_tactivate = pa_tactivate_us /
@@ -7480,6 +8114,10 @@
 	else if (desc_buf[GEOMETRY_DESC_PARAM_MAX_NUM_LUN] == 0)
 		hba->dev_info.max_lu_supported = 8;
 
+	if (hba->desc_size[QUERY_DESC_IDN_GEOMETRY] >=
+		GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS)
+		ufshpb_get_geo_info(hba, desc_buf);
+
 out:
 	kfree(desc_buf);
 	return err;
@@ -7609,16 +8247,18 @@
 			&hba->pwr_info,
 			sizeof(struct ufs_pa_layer_attr));
 		hba->clk_scaling.saved_pwr_info.is_valid = true;
-		if (!hba->devfreq) {
-			ret = ufshcd_devfreq_init(hba);
-			if (ret)
-				goto out;
-		}
-
 		hba->clk_scaling.is_allowed = true;
+
+		ret = ufshcd_devfreq_init(hba);
+		if (ret)
+			goto out;
+
+		hba->clk_scaling.is_enabled = true;
+		ufshcd_init_clk_scaling_sysfs(hba);
 	}
 
 	ufs_bsg_probe(hba);
+	ufshpb_init(hba);
 	scsi_scan_host(hba->host);
 	pm_runtime_put_sync(hba->dev);
 
@@ -7626,80 +8266,28 @@
 	return ret;
 }
 
-static int
-ufshcd_send_request_sense(struct ufs_hba *hba, struct scsi_device *sdp);
-
-static int ufshcd_clear_ua_wlun(struct ufs_hba *hba, u8 wlun)
-{
-	struct scsi_device *sdp;
-	unsigned long flags;
-	int ret = 0;
-
-	spin_lock_irqsave(hba->host->host_lock, flags);
-	if (wlun == UFS_UPIU_UFS_DEVICE_WLUN)
-		sdp = hba->sdev_ufs_device;
-	else if (wlun == UFS_UPIU_RPMB_WLUN)
-		sdp = hba->sdev_rpmb;
-	else
-		BUG();
-	if (sdp) {
-		ret = scsi_device_get(sdp);
-		if (!ret && !scsi_device_online(sdp)) {
-			ret = -ENODEV;
-			scsi_device_put(sdp);
-		}
-	} else {
-		ret = -ENODEV;
-	}
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
-	if (ret)
-		goto out_err;
-
-	ret = ufshcd_send_request_sense(hba, sdp);
-	scsi_device_put(sdp);
-out_err:
-	if (ret)
-		dev_err(hba->dev, "%s: UAC clear LU=%x ret = %d\n",
-				__func__, wlun, ret);
-	return ret;
-}
-
-static int ufshcd_clear_ua_wluns(struct ufs_hba *hba)
-{
-	int ret = 0;
-
-	if (!hba->wlun_dev_clr_ua)
-		goto out;
-
-	ret = ufshcd_clear_ua_wlun(hba, UFS_UPIU_UFS_DEVICE_WLUN);
-	if (!ret)
-		ret = ufshcd_clear_ua_wlun(hba, UFS_UPIU_RPMB_WLUN);
-	if (!ret)
-		hba->wlun_dev_clr_ua = false;
-out:
-	if (ret)
-		dev_err(hba->dev, "%s: Failed to clear UAC WLUNS ret = %d\n",
-				__func__, ret);
-	return ret;
-}
-
 /**
- * ufshcd_probe_hba - probe hba to detect device and initialize
+ * ufshcd_probe_hba - probe hba to detect device and initialize it
  * @hba: per-adapter instance
- * @async: asynchronous execution or not
+ * @init_dev_params: whether or not to call ufshcd_device_params_init().
  *
  * Execute link-startup and verify device initialization
  */
-static int ufshcd_probe_hba(struct ufs_hba *hba, bool async)
+static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params)
 {
 	int ret;
 	unsigned long flags;
 	ktime_t start = ktime_get();
 
+	hba->ufshcd_state = UFSHCD_STATE_RESET;
+
 	ret = ufshcd_link_startup(hba);
 	if (ret)
 		goto out;
 
+	if (hba->quirks & UFSHCD_QUIRK_SKIP_PH_CONFIGURATION)
+		goto out;
+
 	/* Debug counters initialization */
 	ufshcd_clear_dbg_ufs_stats(hba);
 
@@ -7720,7 +8308,7 @@
 	 * Initialize UFS device parameters used by driver, these
 	 * parameters are associated with UFS descriptors.
 	 */
-	if (async) {
+	if (init_dev_params) {
 		ret = ufshcd_device_params_init(hba);
 		if (ret)
 			goto out;
@@ -7731,7 +8319,6 @@
 	/* UFS device is also active now */
 	ufshcd_set_ufs_dev_active(hba);
 	ufshcd_force_reset_auto_bkops(hba);
-	hba->wlun_dev_clr_ua = true;
 
 	/* Gear up to HS gear if supported */
 	if (hba->max_pwr_info.is_valid) {
@@ -7759,9 +8346,14 @@
 	ufshcd_set_active_icc_lvl(hba);
 
 	ufshcd_wb_config(hba);
+	if (hba->ee_usr_mask)
+		ufshcd_write_ee_control(hba);
 	/* Enable Auto-Hibernate if configured */
 	ufshcd_auto_hibern8_enable(hba);
 
+	ufshpb_reset(hba);
+
+	trace_android_rvh_ufs_complete_init(hba);
 out:
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (ret)
@@ -7786,8 +8378,10 @@
 	struct ufs_hba *hba = (struct ufs_hba *)data;
 	int ret;
 
+	down(&hba->host_sem);
 	/* Initialize hba, detect and initialize UFS device */
 	ret = ufshcd_probe_hba(hba, true);
+	up(&hba->host_sem);
 	if (ret)
 		goto out;
 
@@ -7800,16 +8394,39 @@
 	 */
 	if (ret) {
 		pm_runtime_put_sync(hba->dev);
-		ufshcd_exit_clk_scaling(hba);
 		ufshcd_hba_exit(hba);
-	} else {
-		ufshcd_clear_ua_wluns(hba);
 	}
 }
 
+static enum scsi_timeout_action ufshcd_eh_timed_out(struct scsi_cmnd *scmd)
+{
+	struct ufs_hba *hba = shost_priv(scmd->device->host);
+
+	if (!system_suspending) {
+		/* Activate the error handler in the SCSI core. */
+		return SCSI_EH_NOT_HANDLED;
+	}
+
+	/*
+	 * If we get here we know that no TMFs are outstanding and also that
+	 * the only pending command is a START STOP UNIT command. Handle the
+	 * timeout of that command directly to prevent a deadlock between
+	 * ufshcd_set_dev_pwr_mode() and ufshcd_err_handler().
+	 */
+	ufshcd_link_recovery(hba);
+	dev_info(hba->dev, "%s() finished; outstanding_tasks = %#lx.\n",
+		 __func__, hba->outstanding_tasks);
+
+	return hba->outstanding_reqs ? SCSI_EH_RESET_TIMER : SCSI_EH_DONE;
+}
+
 static const struct attribute_group *ufshcd_driver_groups[] = {
 	&ufs_sysfs_unit_descriptor_group,
 	&ufs_sysfs_lun_attributes_group,
+#ifdef CONFIG_SCSI_UFS_HPB
+	&ufs_sysfs_hpb_stat_group,
+	&ufs_sysfs_hpb_param_group,
+#endif
 	NULL,
 };
 
@@ -7827,7 +8444,9 @@
 	.module			= THIS_MODULE,
 	.name			= UFSHCD,
 	.proc_name		= UFSHCD,
+	.map_queues		= ufshcd_map_queues,
 	.queuecommand		= ufshcd_queuecommand,
+	.mq_poll		= ufshcd_poll,
 	.slave_alloc		= ufshcd_slave_alloc,
 	.slave_configure	= ufshcd_slave_configure,
 	.slave_destroy		= ufshcd_slave_destroy,
@@ -7835,6 +8454,7 @@
 	.eh_abort_handler	= ufshcd_abort,
 	.eh_device_reset_handler = ufshcd_eh_device_reset_handler,
 	.eh_host_reset_handler   = ufshcd_eh_host_reset_handler,
+	.eh_timed_out2		= ufshcd_eh_timed_out,
 	.this_id		= -1,
 	.sg_tablesize		= SG_ALL,
 	.cmd_per_lun		= UFSHCD_CMD_PER_LUN,
@@ -7944,7 +8564,7 @@
 {
 	int ret = 0;
 
-	if (!vreg || !vreg->enabled)
+	if (!vreg || !vreg->enabled || vreg->always_on)
 		goto out;
 
 	ret = regulator_disable(vreg->reg);
@@ -8161,15 +8781,9 @@
 
 	err = ufshcd_vops_init(hba);
 	if (err)
-		goto out;
-
-	err = ufshcd_vops_setup_regulators(hba, true);
-	if (err)
-		ufshcd_vops_exit(hba);
-out:
-	if (err)
 		dev_err(hba->dev, "%s: variant %s init failed err %d\n",
 			__func__, ufshcd_get_var_name(hba), err);
+out:
 	return err;
 }
 
@@ -8178,8 +8792,6 @@
 	if (!hba->vops)
 		return;
 
-	ufshcd_vops_setup_regulators(hba, false);
-
 	ufshcd_vops_exit(hba);
 }
 
@@ -8222,6 +8834,8 @@
 	if (err)
 		goto out_disable_vreg;
 
+	ufs_debugfs_hba_init(hba);
+
 	hba->is_powered = true;
 	goto out;
 
@@ -8238,12 +8852,13 @@
 static void ufshcd_hba_exit(struct ufs_hba *hba)
 {
 	if (hba->is_powered) {
+		ufshcd_exit_clk_scaling(hba);
+		ufshcd_exit_clk_gating(hba);
+		if (hba->eh_wq)
+			destroy_workqueue(hba->eh_wq);
+		ufs_debugfs_hba_exit(hba);
 		ufshcd_variant_hba_exit(hba);
 		ufshcd_setup_vreg(hba, false);
-		ufshcd_suspend_clkscaling(hba);
-		if (ufshcd_is_clkscaling_supported(hba))
-			if (hba->devfreq)
-				ufshcd_suspend_clkscaling(hba);
 		ufshcd_setup_clocks(hba, false);
 		ufshcd_setup_hba_vreg(hba, false);
 		hba->is_powered = false;
@@ -8251,32 +8866,38 @@
 	}
 }
 
-static int
-ufshcd_send_request_sense(struct ufs_hba *hba, struct scsi_device *sdp)
+static int ufshcd_execute_start_stop(struct scsi_device *sdev,
+				     enum ufs_dev_pwr_mode pwr_mode,
+				     struct scsi_sense_hdr *sshdr)
 {
-	unsigned char cmd[6] = {REQUEST_SENSE,
-				0,
-				0,
-				0,
-				UFS_SENSE_SIZE,
-				0};
-	char *buffer;
+	unsigned char cdb[6] = { START_STOP, 0, 0, 0, pwr_mode << 4, 0 };
+	struct request *req;
+	struct scsi_request *rq;
+	struct scsi_cmnd *scmd;
 	int ret;
 
-	buffer = kzalloc(UFS_SENSE_SIZE, GFP_KERNEL);
-	if (!buffer) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	req = blk_get_request(sdev->request_queue, REQ_OP_SCSI_IN,
+			      BLK_MQ_REQ_PM);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+	rq = scsi_req(req);
 
-	ret = scsi_execute(sdp, cmd, DMA_FROM_DEVICE, buffer,
-			UFS_SENSE_SIZE, NULL, NULL,
-			msecs_to_jiffies(1000), 3, 0, RQF_PM, NULL);
-	if (ret)
-		pr_err("%s: failed with err %d\n", __func__, ret);
+	scmd = blk_mq_rq_to_pdu(req);
+	rq->cmd_len = COMMAND_SIZE(cdb[0]);
+	memcpy(rq->cmd, cdb, rq->cmd_len);
+	rq->retries = 0;
+	scmd->flags |= SCMD_FAIL_IF_RECOVERING;
+	req->timeout = 1 * HZ;
+	req->rq_flags |= RQF_PM | RQF_QUIET;
 
-	kfree(buffer);
-out:
+	blk_execute_rq(req->q, NULL, req, /*at_head=*/true);
+
+	if (sshdr)
+		scsi_normalize_sense(rq->sense, rq->sense_len, sshdr);
+	ret = rq->result;
+
+	blk_put_request(req);
+
 	return ret;
 }
 
@@ -8287,16 +8908,15 @@
  * @pwr_mode: device power mode to set
  *
  * Returns 0 if requested power mode is set successfully
- * Returns non-zero if failed to set the requested power mode
+ * Returns < 0 if failed to set the requested power mode
  */
 static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
 				     enum ufs_dev_pwr_mode pwr_mode)
 {
-	unsigned char cmd[6] = { START_STOP };
 	struct scsi_sense_hdr sshdr;
 	struct scsi_device *sdp;
 	unsigned long flags;
-	int ret;
+	int ret, retries;
 
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	sdp = hba->sdev_ufs_device;
@@ -8321,34 +8941,34 @@
 	 * handling context.
 	 */
 	hba->host->eh_noresume = 1;
-	if (hba->wlun_dev_clr_ua) {
-		ret = ufshcd_send_request_sense(hba, sdp);
-		if (ret)
-			goto out;
-		/* Unit attention condition is cleared now */
-		hba->wlun_dev_clr_ua = false;
-	}
-
-	cmd[4] = pwr_mode << 4;
 
 	/*
 	 * Current function would be generally called from the power management
 	 * callbacks hence set the RQF_PM flag so that it doesn't resume the
 	 * already suspended childs.
 	 */
-	ret = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
-			START_STOP_TIMEOUT, 0, 0, RQF_PM, NULL);
+	for (retries = 3; retries > 0; --retries) {
+		ret = ufshcd_execute_start_stop(sdp, pwr_mode, &sshdr);
+		/*
+		 * scsi_execute() only returns a negative value if the request
+		 * queue is dying.
+		 */
+		if (ret <= 0)
+			break;
+	}
 	if (ret) {
 		sdev_printk(KERN_WARNING, sdp,
 			    "START_STOP failed for power mode: %d, result %x\n",
 			    pwr_mode, ret);
-		if (driver_byte(ret) == DRIVER_SENSE)
-			scsi_print_sense_hdr(sdp, NULL, &sshdr);
+		if (ret > 0) {
+			if (scsi_sense_valid(&sshdr))
+				scsi_print_sense_hdr(sdp, NULL, &sshdr);
+			ret = -EIO;
+		}
+	} else {
+		hba->curr_dev_pwr_mode = pwr_mode;
 	}
 
-	if (!ret)
-		hba->curr_dev_pwr_mode = pwr_mode;
-out:
 	scsi_device_put(sdp);
 	hba->host->eh_noresume = 0;
 	return ret;
@@ -8375,7 +8995,8 @@
 	}
 	/*
 	 * If autobkops is enabled, link can't be turned off because
-	 * turning off the link would also turn off the device.
+	 * turning off the link would also turn off the device, except in the
+	 * case of DeepSleep where the device is expected to remain powered.
 	 */
 	else if ((req_link_state == UIC_LINK_OFF_STATE) &&
 		 (!check_for_bkops || !hba->auto_bkops_enabled)) {
@@ -8385,6 +9006,9 @@
 		 * put the link in low power mode is to send the DME end point
 		 * to device and then send the DME reset command to local
 		 * unipro. But putting the link in hibern8 is much faster.
+		 *
+		 * Note also that putting the link in Hibern8 is a requirement
+		 * for entering DeepSleep.
 		 */
 		ret = ufshcd_uic_hibern8_enter(hba);
 		if (ret) {
@@ -8458,6 +9082,7 @@
 		usleep_range(5000, 5100);
 }
 
+#ifdef CONFIG_PM
 static int ufshcd_vreg_set_hpm(struct ufs_hba *hba)
 {
 	int ret = 0;
@@ -8485,45 +9110,31 @@
 out:
 	return ret;
 }
+#endif /* CONFIG_PM */
 
 static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba)
 {
-	if (ufshcd_is_link_off(hba))
+	if (ufshcd_is_link_off(hba) || ufshcd_can_aggressive_pc(hba))
 		ufshcd_setup_hba_vreg(hba, false);
 }
 
 static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba)
 {
-	if (ufshcd_is_link_off(hba))
+	if (ufshcd_is_link_off(hba) || ufshcd_can_aggressive_pc(hba))
 		ufshcd_setup_hba_vreg(hba, true);
 }
 
-/**
- * ufshcd_suspend - helper function for suspend operations
- * @hba: per adapter instance
- * @pm_op: desired low power operation type
- *
- * This function will try to put the UFS device and link into low power
- * mode based on the "rpm_lvl" (Runtime PM level) or "spm_lvl"
- * (System PM level).
- *
- * If this function is called during shutdown, it will make sure that
- * both UFS device and UFS link is powered off.
- *
- * NOTE: UFS device & link must be active before we enter in this function.
- *
- * Returns 0 for success and non-zero for failure
- */
-static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
+static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 {
 	int ret = 0;
+	int check_for_bkops;
 	enum ufs_pm_level pm_lvl;
 	enum ufs_dev_pwr_mode req_dev_pwr_mode;
 	enum uic_link_state req_link_state;
 
-	hba->pm_op_in_progress = 1;
-	if (!ufshcd_is_shutdown_pm(pm_op)) {
-		pm_lvl = ufshcd_is_runtime_pm(pm_op) ?
+	hba->pm_op_in_progress = true;
+	if (pm_op != UFS_SHUTDOWN_PM) {
+		pm_lvl = pm_op == UFS_RUNTIME_PM ?
 			 hba->rpm_lvl : hba->spm_lvl;
 		req_dev_pwr_mode = ufs_get_pm_lvl_to_dev_pwr_mode(pm_lvl);
 		req_link_state = ufs_get_pm_lvl_to_link_pwr_state(pm_lvl);
@@ -8532,6 +9143,8 @@
 		req_link_state = UIC_LINK_OFF_STATE;
 	}
 
+	ufshpb_suspend(hba);
+
 	/*
 	 * If we can't transition into any of the low power modes
 	 * just gate the clocks.
@@ -8539,28 +9152,25 @@
 	ufshcd_hold(hba, false);
 	hba->clk_gating.is_suspended = true;
 
-	if (hba->clk_scaling.is_allowed) {
-		cancel_work_sync(&hba->clk_scaling.suspend_work);
-		cancel_work_sync(&hba->clk_scaling.resume_work);
-		ufshcd_suspend_clkscaling(hba);
-	}
+	if (ufshcd_is_clkscaling_supported(hba))
+		ufshcd_clk_scaling_suspend(hba, true);
 
 	if (req_dev_pwr_mode == UFS_ACTIVE_PWR_MODE &&
 			req_link_state == UIC_LINK_ACTIVE_STATE) {
-		goto disable_clks;
+		goto vops_suspend;
 	}
 
 	if ((req_dev_pwr_mode == hba->curr_dev_pwr_mode) &&
 	    (req_link_state == hba->uic_link_state))
-		goto enable_gating;
+		goto enable_scaling;
 
 	/* UFS device & link must be active before we enter in this function */
 	if (!ufshcd_is_ufs_dev_active(hba) || !ufshcd_is_link_active(hba)) {
 		ret = -EINVAL;
-		goto enable_gating;
+		goto enable_scaling;
 	}
 
-	if (ufshcd_is_runtime_pm(pm_op)) {
+	if (pm_op == UFS_RUNTIME_PM) {
 		if (ufshcd_can_autobkops_during_suspend(hba)) {
 			/*
 			 * The device is idle with no requests in the queue,
@@ -8568,8 +9178,16 @@
 			 * that performance might be impacted.
 			 */
 			ret = ufshcd_urgent_bkops(hba);
-			if (ret)
-				goto enable_gating;
+			if (ret) {
+				/*
+				 * If return err in suspend flow, IO will hang.
+				 * Trigger error handler and break suspend for
+				 * error recovery.
+				 */
+				ufshcd_force_error_recovery(hba);
+				ret = -EBUSY;
+				goto enable_scaling;
+			}
 		} else {
 			/* make sure that auto bkops is disabled */
 			ufshcd_disable_auto_bkops(hba);
@@ -8587,114 +9205,112 @@
 			ufshcd_wb_need_flush(hba));
 	}
 
+	flush_work(&hba->eeh_work);
+
+	ret = ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE);
+	if (ret)
+		goto enable_scaling;
+
 	if (req_dev_pwr_mode != hba->curr_dev_pwr_mode) {
-		if ((ufshcd_is_runtime_pm(pm_op) && !hba->auto_bkops_enabled) ||
-		    !ufshcd_is_runtime_pm(pm_op)) {
+		if (pm_op != UFS_RUNTIME_PM)
 			/* ensure that bkops is disabled */
 			ufshcd_disable_auto_bkops(hba);
-		}
 
 		if (!hba->dev_info.b_rpm_dev_flush_capable) {
 			ret = ufshcd_set_dev_pwr_mode(hba, req_dev_pwr_mode);
+			if (ret && pm_op != UFS_SHUTDOWN_PM) {
+				/*
+				 * If return err in suspend flow, IO will hang.
+				 * Trigger error handler and break suspend for
+				 * error recovery.
+				 */
+				ufshcd_force_error_recovery(hba);
+				ret = -EBUSY;
+			}
 			if (ret)
-				goto enable_gating;
+				goto enable_scaling;
 		}
 	}
 
-	flush_work(&hba->eeh_work);
-	ret = ufshcd_link_state_transition(hba, req_link_state, 1);
+	/*
+	 * In the case of DeepSleep, the device is expected to remain powered
+	 * with the link off, so do not check for bkops.
+	 */
+	check_for_bkops = !ufshcd_is_ufs_dev_deepsleep(hba);
+	ret = ufshcd_link_state_transition(hba, req_link_state, check_for_bkops);
+	if (ret && pm_op != UFS_SHUTDOWN_PM) {
+		/*
+		 * If return err in suspend flow, IO will hang.
+		 * Trigger error handler and break suspend for
+		 * error recovery.
+		 */
+		ufshcd_force_error_recovery(hba);
+		ret = -EBUSY;
+	}
 	if (ret)
 		goto set_dev_active;
 
-	ufshcd_vreg_set_lpm(hba);
-
-disable_clks:
+vops_suspend:
 	/*
 	 * Call vendor specific suspend callback. As these callbacks may access
 	 * vendor specific host controller register space call them before the
 	 * host clocks are ON.
 	 */
-	ret = ufshcd_vops_suspend(hba, pm_op);
+	ret = ufshcd_vops_suspend(hba, pm_op, POST_CHANGE);
 	if (ret)
 		goto set_link_active;
-	/*
-	 * Disable the host irq as host controller as there won't be any
-	 * host controller transaction expected till resume.
-	 */
-	ufshcd_disable_irq(hba);
-
-	ufshcd_setup_clocks(hba, false);
-
-	if (ufshcd_is_clkgating_allowed(hba)) {
-		hba->clk_gating.state = CLKS_OFF;
-		trace_ufshcd_clk_gating(dev_name(hba->dev),
-					hba->clk_gating.state);
-	}
-
-	/* Put the host controller in low power mode if possible */
-	ufshcd_hba_vreg_set_lpm(hba);
 	goto out;
 
 set_link_active:
-	if (hba->clk_scaling.is_allowed)
-		ufshcd_resume_clkscaling(hba);
-	ufshcd_vreg_set_hpm(hba);
+	/*
+	 * Device hardware reset is required to exit DeepSleep. Also, for
+	 * DeepSleep, the link is off so host reset and restore will be done
+	 * further below.
+	 */
+	if (ufshcd_is_ufs_dev_deepsleep(hba)) {
+		ufshcd_device_reset(hba);
+		WARN_ON(!ufshcd_is_link_off(hba));
+	}
 	if (ufshcd_is_link_hibern8(hba) && !ufshcd_uic_hibern8_exit(hba))
 		ufshcd_set_link_active(hba);
 	else if (ufshcd_is_link_off(hba))
 		ufshcd_host_reset_and_restore(hba);
 set_dev_active:
+	/* Can also get here needing to exit DeepSleep */
+	if (ufshcd_is_ufs_dev_deepsleep(hba)) {
+		ufshcd_device_reset(hba);
+		ufshcd_host_reset_and_restore(hba);
+	}
 	if (!ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE))
 		ufshcd_disable_auto_bkops(hba);
-enable_gating:
-	if (hba->clk_scaling.is_allowed)
-		ufshcd_resume_clkscaling(hba);
-	hba->clk_gating.is_suspended = false;
+enable_scaling:
+	if (ufshcd_is_clkscaling_supported(hba))
+		ufshcd_clk_scaling_suspend(hba, false);
+
 	hba->dev_info.b_rpm_dev_flush_capable = false;
-	ufshcd_release(hba);
 out:
 	if (hba->dev_info.b_rpm_dev_flush_capable) {
 		schedule_delayed_work(&hba->rpm_dev_flush_recheck_work,
 			msecs_to_jiffies(RPM_DEV_FLUSH_RECHECK_WORK_DELAY_MS));
 	}
 
-	hba->pm_op_in_progress = 0;
-
-	if (ret)
-		ufshcd_update_reg_hist(&hba->ufs_stats.suspend_err, (u32)ret);
+	if (ret) {
+		ufshcd_update_evt_hist(hba, UFS_EVT_WL_SUSP_ERR, (u32)ret);
+		hba->clk_gating.is_suspended = false;
+		ufshcd_release(hba);
+		ufshpb_resume(hba);
+	}
+	hba->pm_op_in_progress = false;
 	return ret;
 }
 
-/**
- * ufshcd_resume - helper function for resume operations
- * @hba: per adapter instance
- * @pm_op: runtime PM or system PM
- *
- * This function basically brings the UFS device, UniPro link and controller
- * to active state.
- *
- * Returns 0 for success and non-zero for failure
- */
-static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
+#ifdef CONFIG_PM
+static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 {
 	int ret;
-	enum uic_link_state old_link_state;
+	enum uic_link_state old_link_state = hba->uic_link_state;
 
-	hba->pm_op_in_progress = 1;
-	old_link_state = hba->uic_link_state;
-
-	ufshcd_hba_vreg_set_hpm(hba);
-	/* Make sure clocks are enabled before accessing controller */
-	ret = ufshcd_setup_clocks(hba, true);
-	if (ret)
-		goto out;
-
-	/* enable the host irq as host controller would be active soon */
-	ufshcd_enable_irq(hba);
-
-	ret = ufshcd_vreg_set_hpm(hba);
-	if (ret)
-		goto disable_irq_and_vops_clks;
+	hba->pm_op_in_progress = true;
 
 	/*
 	 * Call vendor specific resume callback. As these callbacks may access
@@ -8703,7 +9319,10 @@
 	 */
 	ret = ufshcd_vops_resume(hba, pm_op);
 	if (ret)
-		goto disable_vreg;
+		goto out;
+
+	/* For DeepSleep, the only supported option is to have the link off */
+	WARN_ON(ufshcd_is_ufs_dev_deepsleep(hba) && !ufshcd_is_link_off(hba));
 
 	if (ufshcd_is_link_hibern8(hba)) {
 		ret = ufshcd_uic_hibern8_exit(hba);
@@ -8718,6 +9337,8 @@
 		/*
 		 * A full initialization of the host and the device is
 		 * required since the link was put to off during suspend.
+		 * Note, in the case of DeepSleep, the device will exit
+		 * DeepSleep due to device reset.
 		 */
 		ret = ufshcd_reset_and_restore(hba);
 		/*
@@ -8743,152 +9364,308 @@
 		 */
 		ufshcd_urgent_bkops(hba);
 
-	hba->clk_gating.is_suspended = false;
+	if (hba->ee_usr_mask)
+		ufshcd_write_ee_control(hba);
 
-	if (hba->clk_scaling.is_allowed)
-		ufshcd_resume_clkscaling(hba);
-
-	/* Enable Auto-Hibernate if configured */
-	ufshcd_auto_hibern8_enable(hba);
+	if (ufshcd_is_clkscaling_supported(hba))
+		ufshcd_clk_scaling_suspend(hba, false);
 
 	if (hba->dev_info.b_rpm_dev_flush_capable) {
 		hba->dev_info.b_rpm_dev_flush_capable = false;
 		cancel_delayed_work(&hba->rpm_dev_flush_recheck_work);
 	}
 
-	/* Schedule clock gating in case of no access to UFS device yet */
-	ufshcd_release(hba);
+	/* Enable Auto-Hibernate if configured */
+	ufshcd_auto_hibern8_enable(hba);
 
+	ufshpb_resume(hba);
 	goto out;
 
 set_old_link_state:
 	ufshcd_link_state_transition(hba, old_link_state, 0);
 vendor_suspend:
-	ufshcd_vops_suspend(hba, pm_op);
-disable_vreg:
-	ufshcd_vreg_set_lpm(hba);
-disable_irq_and_vops_clks:
+	ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE);
+	ufshcd_vops_suspend(hba, pm_op, POST_CHANGE);
+out:
+	if (ret)
+		ufshcd_update_evt_hist(hba, UFS_EVT_WL_RES_ERR, (u32)ret);
+	hba->clk_gating.is_suspended = false;
+	ufshcd_release(hba);
+	hba->pm_op_in_progress = false;
+	return ret;
+}
+
+static int ufshcd_wl_runtime_suspend(struct device *dev)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufs_hba *hba;
+	int ret;
+	ktime_t start = ktime_get();
+
+	hba = shost_priv(sdev->host);
+
+	ret = __ufshcd_wl_suspend(hba, UFS_RUNTIME_PM);
+	if (ret)
+		dev_err(&sdev->sdev_gendev, "%s failed: %d\n", __func__, ret);
+
+	trace_ufshcd_wl_runtime_suspend(dev_name(dev), ret,
+		ktime_to_us(ktime_sub(ktime_get(), start)),
+		hba->curr_dev_pwr_mode, hba->uic_link_state);
+
+	return ret;
+}
+
+static int ufshcd_wl_runtime_resume(struct device *dev)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufs_hba *hba;
+	int ret = 0;
+	ktime_t start = ktime_get();
+
+	hba = shost_priv(sdev->host);
+
+	ret = __ufshcd_wl_resume(hba, UFS_RUNTIME_PM);
+	if (ret)
+		dev_err(&sdev->sdev_gendev, "%s failed: %d\n", __func__, ret);
+
+	trace_ufshcd_wl_runtime_resume(dev_name(dev), ret,
+		ktime_to_us(ktime_sub(ktime_get(), start)),
+		hba->curr_dev_pwr_mode, hba->uic_link_state);
+
+	return ret;
+}
+#endif
+
+#ifdef CONFIG_PM_SLEEP
+static int ufshcd_wl_suspend(struct device *dev)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufs_hba *hba;
+	int ret = 0;
+	ktime_t start = ktime_get();
+
+	hba = shost_priv(sdev->host);
+	down(&hba->host_sem);
+	system_suspending = true;
+
+	if (pm_runtime_suspended(dev))
+		goto out;
+
+	ret = __ufshcd_wl_suspend(hba, UFS_SYSTEM_PM);
+	if (ret) {
+		dev_err(&sdev->sdev_gendev, "%s failed: %d\n", __func__,  ret);
+		up(&hba->host_sem);
+	}
+
+out:
+	if (!ret)
+		hba->is_sys_suspended = true;
+	trace_ufshcd_wl_suspend(dev_name(dev), ret,
+		ktime_to_us(ktime_sub(ktime_get(), start)),
+		hba->curr_dev_pwr_mode, hba->uic_link_state);
+
+	return ret;
+}
+
+static int ufshcd_wl_resume(struct device *dev)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufs_hba *hba;
+	int ret = 0;
+	ktime_t start = ktime_get();
+
+	hba = shost_priv(sdev->host);
+
+	if (pm_runtime_suspended(dev))
+		goto out;
+
+	ret = __ufshcd_wl_resume(hba, UFS_SYSTEM_PM);
+	if (ret)
+		dev_err(&sdev->sdev_gendev, "%s failed: %d\n", __func__, ret);
+out:
+	trace_ufshcd_wl_resume(dev_name(dev), ret,
+		ktime_to_us(ktime_sub(ktime_get(), start)),
+		hba->curr_dev_pwr_mode, hba->uic_link_state);
+	if (!ret)
+		hba->is_sys_suspended = false;
+	system_suspending = false;
+	up(&hba->host_sem);
+	return ret;
+}
+#endif
+
+static void ufshcd_wl_shutdown(struct device *dev)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufs_hba *hba;
+
+	hba = shost_priv(sdev->host);
+
+	down(&hba->host_sem);
+	hba->shutting_down = true;
+	up(&hba->host_sem);
+
+	/* Turn on everything while shutting down */
+	ufshcd_rpm_get_sync(hba);
+	scsi_device_quiesce(sdev);
+	shost_for_each_device(sdev, hba->host) {
+		if (sdev == hba->sdev_ufs_device)
+			continue;
+		scsi_device_quiesce(sdev);
+	}
+	__ufshcd_wl_suspend(hba, UFS_SHUTDOWN_PM);
+}
+
+/**
+ * ufshcd_suspend - helper function for suspend operations
+ * @hba: per adapter instance
+ *
+ * This function will put disable irqs, turn off clocks
+ * and set vreg and hba-vreg in lpm mode.
+ */
+static int ufshcd_suspend(struct ufs_hba *hba)
+{
+	int ret;
+
+	if (!hba->is_powered)
+		return 0;
+	/*
+	 * Disable the host irq as host controller as there won't be any
+	 * host controller transaction expected till resume.
+	 */
 	ufshcd_disable_irq(hba);
-	if (hba->clk_scaling.is_allowed)
-		ufshcd_suspend_clkscaling(hba);
-	ufshcd_setup_clocks(hba, false);
+	ret = ufshcd_setup_clocks(hba, false);
+	if (ret) {
+		ufshcd_enable_irq(hba);
+		return ret;
+	}
 	if (ufshcd_is_clkgating_allowed(hba)) {
 		hba->clk_gating.state = CLKS_OFF;
 		trace_ufshcd_clk_gating(dev_name(hba->dev),
 					hba->clk_gating.state);
 	}
-out:
-	hba->pm_op_in_progress = 0;
-	if (ret)
-		ufshcd_update_reg_hist(&hba->ufs_stats.resume_err, (u32)ret);
+
+	ufshcd_vreg_set_lpm(hba);
+	/* Put the host controller in low power mode if possible */
+	ufshcd_hba_vreg_set_lpm(hba);
 	return ret;
 }
 
+#ifdef CONFIG_PM
 /**
- * ufshcd_system_suspend - system suspend routine
+ * ufshcd_resume - helper function for resume operations
  * @hba: per adapter instance
  *
- * Check the description of ufshcd_suspend() function for more details.
+ * This function basically turns on the regulators, clocks and
+ * irqs of the hba.
  *
  * Returns 0 for success and non-zero for failure
  */
-int ufshcd_system_suspend(struct ufs_hba *hba)
+static int ufshcd_resume(struct ufs_hba *hba)
 {
+	int ret;
+
+	if (!hba->is_powered)
+		return 0;
+
+	ufshcd_hba_vreg_set_hpm(hba);
+	ret = ufshcd_vreg_set_hpm(hba);
+	if (ret)
+		goto out;
+
+	/* Make sure clocks are enabled before accessing controller */
+	ret = ufshcd_setup_clocks(hba, true);
+	if (ret)
+		goto disable_vreg;
+
+	/* enable the host irq as host controller would be active soon */
+	ufshcd_enable_irq(hba);
+	goto out;
+
+disable_vreg:
+	ufshcd_vreg_set_lpm(hba);
+out:
+	if (ret)
+		ufshcd_update_evt_hist(hba, UFS_EVT_RESUME_ERR, (u32)ret);
+	return ret;
+}
+#endif /* CONFIG_PM */
+
+#ifdef CONFIG_PM_SLEEP
+/**
+ * ufshcd_system_suspend - system suspend callback
+ * @dev: Device associated with the UFS controller.
+ *
+ * Executed before putting the system into a sleep state in which the contents
+ * of main memory are preserved.
+ *
+ * Returns 0 for success and non-zero for failure
+ */
+int ufshcd_system_suspend(struct device *dev)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
 	int ret = 0;
 	ktime_t start = ktime_get();
 
-	if (!hba || !hba->is_powered)
-		return 0;
-
-	cancel_delayed_work_sync(&hba->rpm_dev_flush_recheck_work);
-
-	if ((ufs_get_pm_lvl_to_dev_pwr_mode(hba->spm_lvl) ==
-	     hba->curr_dev_pwr_mode) &&
-	    (ufs_get_pm_lvl_to_link_pwr_state(hba->spm_lvl) ==
-	     hba->uic_link_state) &&
-	     pm_runtime_suspended(hba->dev) &&
-	     !hba->dev_info.b_rpm_dev_flush_capable)
+	if (pm_runtime_suspended(hba->dev))
 		goto out;
 
-	if (pm_runtime_suspended(hba->dev)) {
-		/*
-		 * UFS device and/or UFS link low power states during runtime
-		 * suspend seems to be different than what is expected during
-		 * system suspend. Hence runtime resume the devic & link and
-		 * let the system suspend low power states to take effect.
-		 * TODO: If resume takes longer time, we might have optimize
-		 * it in future by not resuming everything if possible.
-		 */
-		ret = ufshcd_runtime_resume(hba);
-		if (ret)
-			goto out;
-	}
-
-	ret = ufshcd_suspend(hba, UFS_SYSTEM_PM);
+	ret = ufshcd_suspend(hba);
 out:
 	trace_ufshcd_system_suspend(dev_name(hba->dev), ret,
 		ktime_to_us(ktime_sub(ktime_get(), start)),
 		hba->curr_dev_pwr_mode, hba->uic_link_state);
-	if (!ret)
-		hba->is_sys_suspended = true;
 	return ret;
 }
 EXPORT_SYMBOL(ufshcd_system_suspend);
 
 /**
- * ufshcd_system_resume - system resume routine
- * @hba: per adapter instance
+ * ufshcd_system_resume - system resume callback
+ * @dev: Device associated with the UFS controller.
+ *
+ * Executed after waking the system up from a sleep state in which the contents
+ * of main memory were preserved.
  *
  * Returns 0 for success and non-zero for failure
  */
-
-int ufshcd_system_resume(struct ufs_hba *hba)
+int ufshcd_system_resume(struct device *dev)
 {
-	int ret = 0;
+	struct ufs_hba *hba = dev_get_drvdata(dev);
 	ktime_t start = ktime_get();
+	int ret = 0;
 
-	if (!hba)
-		return -EINVAL;
-
-	if (!hba->is_powered || pm_runtime_suspended(hba->dev))
-		/*
-		 * Let the runtime resume take care of resuming
-		 * if runtime suspended.
-		 */
+	if (pm_runtime_suspended(hba->dev))
 		goto out;
-	else
-		ret = ufshcd_resume(hba, UFS_SYSTEM_PM);
+
+	ret = ufshcd_resume(hba);
+
 out:
 	trace_ufshcd_system_resume(dev_name(hba->dev), ret,
 		ktime_to_us(ktime_sub(ktime_get(), start)),
 		hba->curr_dev_pwr_mode, hba->uic_link_state);
-	if (!ret)
-		hba->is_sys_suspended = false;
+
 	return ret;
 }
 EXPORT_SYMBOL(ufshcd_system_resume);
+#endif /* CONFIG_PM_SLEEP */
 
+#ifdef CONFIG_PM
 /**
- * ufshcd_runtime_suspend - runtime suspend routine
- * @hba: per adapter instance
+ * ufshcd_runtime_suspend - runtime suspend callback
+ * @dev: Device associated with the UFS controller.
  *
  * Check the description of ufshcd_suspend() function for more details.
  *
  * Returns 0 for success and non-zero for failure
  */
-int ufshcd_runtime_suspend(struct ufs_hba *hba)
+int ufshcd_runtime_suspend(struct device *dev)
 {
-	int ret = 0;
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	int ret;
 	ktime_t start = ktime_get();
 
-	if (!hba)
-		return -EINVAL;
+	ret = ufshcd_suspend(hba);
 
-	if (!hba->is_powered)
-		goto out;
-	else
-		ret = ufshcd_suspend(hba, UFS_RUNTIME_PM);
-out:
 	trace_ufshcd_runtime_suspend(dev_name(hba->dev), ret,
 		ktime_to_us(ktime_sub(ktime_get(), start)),
 		hba->curr_dev_pwr_mode, hba->uic_link_state);
@@ -8898,75 +9675,45 @@
 
 /**
  * ufshcd_runtime_resume - runtime resume routine
- * @hba: per adapter instance
+ * @dev: Device associated with the UFS controller.
  *
- * This function basically brings the UFS device, UniPro link and controller
+ * This function basically brings controller
  * to active state. Following operations are done in this function:
  *
  * 1. Turn on all the controller related clocks
- * 2. Bring the UniPro link out of Hibernate state
- * 3. If UFS device is in sleep state, turn ON VCC rail and bring the UFS device
- *    to active state.
- * 4. If auto-bkops is enabled on the device, disable it.
- *
- * So following would be the possible power state after this function return
- * successfully:
- *	S1: UFS device in Active state with VCC rail ON
- *	    UniPro link in Active state
- *	    All the UFS/UniPro controller clocks are ON
- *
- * Returns 0 for success and non-zero for failure
+ * 2. Turn ON VCC rail
  */
-int ufshcd_runtime_resume(struct ufs_hba *hba)
+int ufshcd_runtime_resume(struct device *dev)
 {
-	int ret = 0;
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	int ret;
 	ktime_t start = ktime_get();
 
-	if (!hba)
-		return -EINVAL;
+	ret = ufshcd_resume(hba);
 
-	if (!hba->is_powered)
-		goto out;
-	else
-		ret = ufshcd_resume(hba, UFS_RUNTIME_PM);
-out:
 	trace_ufshcd_runtime_resume(dev_name(hba->dev), ret,
 		ktime_to_us(ktime_sub(ktime_get(), start)),
 		hba->curr_dev_pwr_mode, hba->uic_link_state);
 	return ret;
 }
 EXPORT_SYMBOL(ufshcd_runtime_resume);
-
-int ufshcd_runtime_idle(struct ufs_hba *hba)
-{
-	return 0;
-}
-EXPORT_SYMBOL(ufshcd_runtime_idle);
+#endif /* CONFIG_PM */
 
 /**
  * ufshcd_shutdown - shutdown routine
  * @hba: per adapter instance
  *
- * This function would power off both UFS device and UFS link.
+ * This function would turn off both UFS device and UFS hba
+ * regulators. It would also disable clocks.
  *
  * Returns 0 always to allow force shutdown even in case of errors.
  */
 int ufshcd_shutdown(struct ufs_hba *hba)
 {
-	int ret = 0;
-
-	if (!hba->is_powered)
-		goto out;
-
 	if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba))
-		goto out;
+		ufshcd_suspend(hba);
 
-	pm_runtime_get_sync(hba->dev);
-
-	ret = ufshcd_suspend(hba, UFS_SHUTDOWN_PM);
-out:
-	if (ret)
-		dev_err(hba->dev, "%s failed, err %d\n", __func__, ret);
+	hba->is_powered = false;
 	/* allow force shutdown even in case of errors */
 	return 0;
 }
@@ -8979,21 +9726,18 @@
  */
 void ufshcd_remove(struct ufs_hba *hba)
 {
+	if (hba->sdev_ufs_device)
+		ufshcd_rpm_get_sync(hba);
+	ufs_hwmon_remove(hba);
 	ufs_bsg_remove(hba);
+	ufshpb_remove(hba);
 	ufs_sysfs_remove_nodes(hba->dev);
 	blk_cleanup_queue(hba->tmf_queue);
 	blk_mq_free_tag_set(&hba->tmf_tag_set);
-	blk_cleanup_queue(hba->cmd_queue);
 	scsi_remove_host(hba->host);
-	destroy_workqueue(hba->eh_wq);
 	/* disable interrupts */
 	ufshcd_disable_intr(hba, hba->intr_mask);
 	ufshcd_hba_stop(hba);
-
-	ufshcd_exit_clk_scaling(hba);
-	ufshcd_exit_clk_gating(hba);
-	if (ufshcd_is_clkscaling_supported(hba))
-		device_remove_file(hba->dev, &hba->clk_scaling.enable_attr);
 	ufshcd_hba_exit(hba);
 }
 EXPORT_SYMBOL_GPL(ufshcd_remove);
@@ -9004,7 +9748,6 @@
  */
 void ufshcd_dealloc_host(struct ufs_hba *hba)
 {
-	ufshcd_crypto_destroy_keyslot_manager(hba);
 	scsi_host_put(hba->host);
 }
 EXPORT_SYMBOL_GPL(ufshcd_dealloc_host);
@@ -9051,13 +9794,17 @@
 		err = -ENOMEM;
 		goto out_error;
 	}
+	host->nr_maps = HCTX_TYPE_POLL + 1;
 	hba = shost_priv(host);
 	hba->host = host;
 	hba->dev = dev;
-	*hba_handle = hba;
 	hba->dev_ref_clk_freq = REF_CLK_FREQ_INVAL;
-
+	hba->nop_out_timeout = NOP_OUT_TIMEOUT;
+	hba->sg_entry_size = sizeof(struct ufshcd_sg_entry);
 	INIT_LIST_HEAD(&hba->clk_list_head);
+	spin_lock_init(&hba->outstanding_lock);
+
+	*hba_handle = hba;
 
 out_error:
 	return err;
@@ -9120,13 +9867,6 @@
 	/* Get UFS version supported by the controller */
 	hba->ufs_version = ufshcd_get_ufs_version(hba);
 
-	if ((hba->ufs_version != UFSHCI_VERSION_10) &&
-	    (hba->ufs_version != UFSHCI_VERSION_11) &&
-	    (hba->ufs_version != UFSHCI_VERSION_20) &&
-	    (hba->ufs_version != UFSHCI_VERSION_21))
-		dev_err(hba->dev, "invalid UFS version 0x%x\n",
-			hba->ufs_version);
-
 	/* Get Interrupt bit mask per version */
 	hba->intr_mask = ufshcd_get_intr_mask(hba);
 
@@ -9146,8 +9886,8 @@
 	/* Configure LRB */
 	ufshcd_host_memory_configure(hba);
 
-	host->can_queue = hba->nutrs;
-	host->cmd_per_lun = hba->nutrs;
+	host->can_queue = hba->nutrs - UFSHCD_NUM_RESERVED;
+	host->cmd_per_lun = hba->nutrs - UFSHCD_NUM_RESERVED;
 	host->max_id = UFSHCD_MAX_ID;
 	host->max_lun = UFS_MAX_LUNS;
 	host->max_channel = UFSHCD_MAX_CHANNEL;
@@ -9162,19 +9902,24 @@
 	hba->eh_wq = create_singlethread_workqueue(eh_wq_name);
 	if (!hba->eh_wq) {
 		dev_err(hba->dev, "%s: failed to create eh workqueue\n",
-				__func__);
+			__func__);
 		err = -ENOMEM;
 		goto out_disable;
 	}
 	INIT_WORK(&hba->eh_work, ufshcd_err_handler);
 	INIT_WORK(&hba->eeh_work, ufshcd_exception_event_handler);
 
+	sema_init(&hba->host_sem, 1);
+
 	/* Initialize UIC command mutex */
 	mutex_init(&hba->uic_cmd_mutex);
 
 	/* Initialize mutex for device management commands */
 	mutex_init(&hba->dev_cmd.lock);
 
+	/* Initialize mutex for exception event control */
+	mutex_init(&hba->ee_ctrl_mutex);
+
 	init_rwsem(&hba->clk_scaling_lock);
 
 	ufshcd_init_clk_gating(hba);
@@ -9199,7 +9944,7 @@
 	err = devm_request_irq(dev, irq, ufshcd_intr, IRQF_SHARED, UFSHCD, hba);
 	if (err) {
 		dev_err(hba->dev, "request irq failed\n");
-		goto exit_gating;
+		goto out_disable;
 	} else {
 		hba->is_irq_enabled = true;
 	}
@@ -9207,13 +9952,7 @@
 	err = scsi_add_host(host, hba->dev);
 	if (err) {
 		dev_err(hba->dev, "scsi_add_host failed\n");
-		goto exit_gating;
-	}
-
-	hba->cmd_queue = blk_mq_init_queue(&hba->host->tag_set);
-	if (IS_ERR(hba->cmd_queue)) {
-		err = PTR_ERR(hba->cmd_queue);
-		goto out_remove_scsi_host;
+		goto out_disable;
 	}
 
 	hba->tmf_tag_set = (struct blk_mq_tag_set) {
@@ -9224,7 +9963,7 @@
 	};
 	err = blk_mq_alloc_tag_set(&hba->tmf_tag_set);
 	if (err < 0)
-		goto free_cmd_queue;
+		goto out_remove_scsi_host;
 	hba->tmf_queue = blk_mq_init_queue(&hba->tmf_tag_set);
 	if (IS_ERR(hba->tmf_queue)) {
 		err = PTR_ERR(hba->tmf_queue);
@@ -9238,7 +9977,7 @@
 	}
 
 	/* Reset the attached device */
-	ufshcd_vops_device_reset(hba);
+	ufshcd_device_reset(hba);
 
 	ufshcd_init_crypto(hba);
 
@@ -9246,7 +9985,7 @@
 	err = ufshcd_hba_enable(hba);
 	if (err) {
 		dev_err(hba->dev, "Host controller enable failed\n");
-		ufshcd_print_host_regs(hba);
+		ufshcd_print_evt_hist(hba);
 		ufshcd_print_host_state(hba);
 		goto free_tmf_queue;
 	}
@@ -9284,22 +10023,17 @@
 	ufshcd_set_ufs_dev_active(hba);
 
 	async_schedule(ufshcd_async_scan, hba);
-	ufs_sysfs_add_nodes(hba->dev);
+	ufs_sysfs_add_nodes(hba);
 
+	device_enable_async_suspend(dev);
 	return 0;
 
 free_tmf_queue:
 	blk_cleanup_queue(hba->tmf_queue);
 free_tmf_tag_set:
 	blk_mq_free_tag_set(&hba->tmf_tag_set);
-free_cmd_queue:
-	blk_cleanup_queue(hba->cmd_queue);
 out_remove_scsi_host:
 	scsi_remove_host(hba->host);
-exit_gating:
-	ufshcd_exit_clk_scaling(hba);
-	ufshcd_exit_clk_gating(hba);
-	destroy_workqueue(hba->eh_wq);
 out_disable:
 	hba->is_irq_enabled = false;
 	ufshcd_hba_exit(hba);
@@ -9308,6 +10042,160 @@
 }
 EXPORT_SYMBOL_GPL(ufshcd_init);
 
+void ufshcd_resume_complete(struct device *dev)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+
+	if (hba->complete_put) {
+		ufshcd_rpm_put(hba);
+		hba->complete_put = false;
+	}
+}
+EXPORT_SYMBOL_GPL(ufshcd_resume_complete);
+
+static bool ufshcd_rpm_ok_for_spm(struct ufs_hba *hba)
+{
+	struct device *dev = &hba->sdev_ufs_device->sdev_gendev;
+	enum ufs_dev_pwr_mode dev_pwr_mode;
+	enum uic_link_state link_state;
+	unsigned long flags;
+	bool res;
+
+	spin_lock_irqsave(&dev->power.lock, flags);
+	dev_pwr_mode = ufs_get_pm_lvl_to_dev_pwr_mode(hba->spm_lvl);
+	link_state = ufs_get_pm_lvl_to_link_pwr_state(hba->spm_lvl);
+	res = pm_runtime_suspended(dev) &&
+	      hba->curr_dev_pwr_mode == dev_pwr_mode &&
+	      hba->uic_link_state == link_state &&
+	      !hba->dev_info.b_rpm_dev_flush_capable;
+	spin_unlock_irqrestore(&dev->power.lock, flags);
+
+	return res;
+}
+
+int __ufshcd_suspend_prepare(struct device *dev, bool rpm_ok_for_spm)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	int ret;
+
+	/*
+	 * SCSI assumes that runtime-pm and system-pm for scsi drivers
+	 * are same. And it doesn't wake up the device for system-suspend
+	 * if it's runtime suspended. But ufs doesn't follow that.
+	 * Refer ufshcd_resume_complete()
+	 */
+	if (hba->sdev_ufs_device) {
+		/* Prevent runtime suspend */
+		ufshcd_rpm_get_noresume(hba);
+		/*
+		 * Check if already runtime suspended in same state as system
+		 * suspend would be.
+		 */
+		if (!rpm_ok_for_spm || !ufshcd_rpm_ok_for_spm(hba)) {
+			/* RPM state is not ok for SPM, so runtime resume */
+			ret = ufshcd_rpm_resume(hba);
+			if (ret < 0 && ret != -EACCES) {
+				ufshcd_rpm_put(hba);
+				return ret;
+			}
+		}
+		hba->complete_put = true;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(__ufshcd_suspend_prepare);
+
+int ufshcd_suspend_prepare(struct device *dev)
+{
+	return __ufshcd_suspend_prepare(dev, true);
+}
+EXPORT_SYMBOL_GPL(ufshcd_suspend_prepare);
+
+#ifdef CONFIG_PM_SLEEP
+static int ufshcd_wl_poweroff(struct device *dev)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufs_hba *hba = shost_priv(sdev->host);
+
+	__ufshcd_wl_suspend(hba, UFS_SHUTDOWN_PM);
+	return 0;
+}
+#endif
+
+static int ufshcd_wl_probe(struct device *dev)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+
+	if (!is_device_wlun(sdev))
+		return -ENODEV;
+
+	blk_pm_runtime_init(sdev->request_queue, dev);
+	pm_runtime_set_autosuspend_delay(dev, 0);
+	pm_runtime_allow(dev);
+
+	return  0;
+}
+
+static int ufshcd_wl_remove(struct device *dev)
+{
+	pm_runtime_forbid(dev);
+	return 0;
+}
+
+static const struct dev_pm_ops ufshcd_wl_pm_ops = {
+#ifdef CONFIG_PM_SLEEP
+	.suspend = ufshcd_wl_suspend,
+	.resume = ufshcd_wl_resume,
+	.freeze = ufshcd_wl_suspend,
+	.thaw = ufshcd_wl_resume,
+	.poweroff = ufshcd_wl_poweroff,
+	.restore = ufshcd_wl_resume,
+#endif
+	SET_RUNTIME_PM_OPS(ufshcd_wl_runtime_suspend, ufshcd_wl_runtime_resume, NULL)
+};
+
+/*
+ * ufs_dev_wlun_template - describes ufs device wlun
+ * ufs-device wlun - used to send pm commands
+ * All luns are consumers of ufs-device wlun.
+ *
+ * Currently, no sd driver is present for wluns.
+ * Hence the no specific pm operations are performed.
+ * With ufs design, SSU should be sent to ufs-device wlun.
+ * Hence register a scsi driver for ufs wluns only.
+ */
+static struct scsi_driver ufs_dev_wlun_template = {
+	.gendrv = {
+		.name = "ufs_device_wlun",
+		.owner = THIS_MODULE,
+		.probe = ufshcd_wl_probe,
+		.remove = ufshcd_wl_remove,
+		.pm = &ufshcd_wl_pm_ops,
+		.shutdown = ufshcd_wl_shutdown,
+	},
+};
+
+static int __init ufshcd_core_init(void)
+{
+	int ret;
+
+	ufs_debugfs_init();
+
+	ret = scsi_register_driver(&ufs_dev_wlun_template.gendrv);
+	if (ret)
+		ufs_debugfs_exit();
+	return ret;
+}
+
+static void __exit ufshcd_core_exit(void)
+{
+	ufs_debugfs_exit();
+	scsi_unregister_driver(&ufs_dev_wlun_template.gendrv);
+}
+
+module_init(ufshcd_core_init);
+module_exit(ufshcd_core_exit);
+
 MODULE_AUTHOR("Santosh Yaragnavi <santosh.sy@samsung.com>");
 MODULE_AUTHOR("Vinayak Holikatti <h.vinayak@samsung.com>");
 MODULE_DESCRIPTION("Generic UFS host controller driver Core");
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 35dd519..4fc5dea 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -43,6 +43,7 @@
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi_dbg.h>
 #include <scsi/scsi_eh.h>
+#include <linux/android_kabi.h>
 
 #include "ufs.h"
 #include "ufs_quirks.h"
@@ -58,6 +59,31 @@
 	DEV_CMD_TYPE_QUERY		= 0x1,
 };
 
+enum ufs_event_type {
+	/* uic specific errors */
+	UFS_EVT_PA_ERR = 0,
+	UFS_EVT_DL_ERR,
+	UFS_EVT_NL_ERR,
+	UFS_EVT_TL_ERR,
+	UFS_EVT_DME_ERR,
+
+	/* fatal errors */
+	UFS_EVT_AUTO_HIBERN8_ERR,
+	UFS_EVT_FATAL_ERR,
+	UFS_EVT_LINK_STARTUP_FAIL,
+	UFS_EVT_RESUME_ERR,
+	UFS_EVT_SUSPEND_ERR,
+	UFS_EVT_WL_SUSP_ERR,
+	UFS_EVT_WL_RES_ERR,
+
+	/* abnormal events */
+	UFS_EVT_DEV_RESET,
+	UFS_EVT_HOST_RESET,
+	UFS_EVT_ABORT,
+
+	UFS_EVT_CNT,
+};
+
 /**
  * struct uic_command - UIC command structure
  * @command: UIC command
@@ -83,10 +109,6 @@
 	UFS_SHUTDOWN_PM,
 };
 
-#define ufshcd_is_runtime_pm(op) ((op) == UFS_RUNTIME_PM)
-#define ufshcd_is_system_pm(op) ((op) == UFS_SYSTEM_PM)
-#define ufshcd_is_shutdown_pm(op) ((op) == UFS_SHUTDOWN_PM)
-
 /* Host <-> Device UniPro Link state */
 enum uic_link_state {
 	UIC_LINK_OFF_STATE	= 0, /* Link powered down or disabled */
@@ -116,24 +138,31 @@
 	((h)->curr_dev_pwr_mode = UFS_SLEEP_PWR_MODE)
 #define ufshcd_set_ufs_dev_poweroff(h) \
 	((h)->curr_dev_pwr_mode = UFS_POWERDOWN_PWR_MODE)
+#define ufshcd_set_ufs_dev_deepsleep(h) \
+	((h)->curr_dev_pwr_mode = UFS_DEEPSLEEP_PWR_MODE)
 #define ufshcd_is_ufs_dev_active(h) \
 	((h)->curr_dev_pwr_mode == UFS_ACTIVE_PWR_MODE)
 #define ufshcd_is_ufs_dev_sleep(h) \
 	((h)->curr_dev_pwr_mode == UFS_SLEEP_PWR_MODE)
 #define ufshcd_is_ufs_dev_poweroff(h) \
 	((h)->curr_dev_pwr_mode == UFS_POWERDOWN_PWR_MODE)
+#define ufshcd_is_ufs_dev_deepsleep(h) \
+	((h)->curr_dev_pwr_mode == UFS_DEEPSLEEP_PWR_MODE)
 
 /*
  * UFS Power management levels.
- * Each level is in increasing order of power savings.
+ * Each level is in increasing order of power savings, except DeepSleep
+ * which is lower than PowerDown with power on but not PowerDown with
+ * power off.
  */
 enum ufs_pm_level {
-	UFS_PM_LVL_0, /* UFS_ACTIVE_PWR_MODE, UIC_LINK_ACTIVE_STATE */
-	UFS_PM_LVL_1, /* UFS_ACTIVE_PWR_MODE, UIC_LINK_HIBERN8_STATE */
-	UFS_PM_LVL_2, /* UFS_SLEEP_PWR_MODE, UIC_LINK_ACTIVE_STATE */
-	UFS_PM_LVL_3, /* UFS_SLEEP_PWR_MODE, UIC_LINK_HIBERN8_STATE */
-	UFS_PM_LVL_4, /* UFS_POWERDOWN_PWR_MODE, UIC_LINK_HIBERN8_STATE */
-	UFS_PM_LVL_5, /* UFS_POWERDOWN_PWR_MODE, UIC_LINK_OFF_STATE */
+	UFS_PM_LVL_0,
+	UFS_PM_LVL_1,
+	UFS_PM_LVL_2,
+	UFS_PM_LVL_3,
+	UFS_PM_LVL_4,
+	UFS_PM_LVL_5,
+	UFS_PM_LVL_6,
 	UFS_PM_LVL_MAX
 };
 
@@ -194,6 +223,8 @@
 #endif
 
 	bool req_abort_skip;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -272,7 +303,6 @@
  * @get_ufs_hci_version: called to get UFS HCI version
  * @clk_scale_notify: notifies that clks are scaled up/down
  * @setup_clocks: called before touching any of the controller registers
- * @setup_regulators: called before accessing the host controller
  * @hce_enable_notify: called before and after HCE enable bit is set to allow
  *                     variant specific Uni-Pro initialization.
  * @link_startup_notify: called before and after Link startup is carried out
@@ -292,6 +322,7 @@
  * @phy_initialization: used to initialize phys
  * @device_reset: called to issue a reset pulse on the UFS device
  * @program_key: program or evict an inline encryption key
+ * @event_notify: called to notify important events
  */
 struct ufs_hba_variant_ops {
 	const char *name;
@@ -302,7 +333,6 @@
 				    enum ufs_notify_change_status);
 	int	(*setup_clocks)(struct ufs_hba *, bool,
 				enum ufs_notify_change_status);
-	int     (*setup_regulators)(struct ufs_hba *, bool);
 	int	(*hce_enable_notify)(struct ufs_hba *,
 				     enum ufs_notify_change_status);
 	int	(*link_startup_notify)(struct ufs_hba *,
@@ -311,13 +341,15 @@
 					enum ufs_notify_change_status status,
 					struct ufs_pa_layer_attr *,
 					struct ufs_pa_layer_attr *);
-	void	(*setup_xfer_req)(struct ufs_hba *, int, bool);
+	void	(*setup_xfer_req)(struct ufs_hba *hba, int tag,
+				  bool is_scsi_cmd);
 	void	(*setup_task_mgmt)(struct ufs_hba *, int, u8);
 	void    (*hibern8_notify)(struct ufs_hba *, enum uic_cmd_dme,
 					enum ufs_notify_change_status);
 	int	(*apply_dev_quirks)(struct ufs_hba *hba);
 	void	(*fixup_dev_quirks)(struct ufs_hba *hba);
-	int     (*suspend)(struct ufs_hba *, enum ufs_pm_op);
+	int     (*suspend)(struct ufs_hba *, enum ufs_pm_op,
+					enum ufs_notify_change_status);
 	int     (*resume)(struct ufs_hba *, enum ufs_pm_op);
 	void	(*dbg_register_dump)(struct ufs_hba *hba);
 	int	(*phy_initialization)(struct ufs_hba *);
@@ -327,6 +359,13 @@
 					void *data);
 	int	(*program_key)(struct ufs_hba *hba,
 			       const union ufs_crypto_cfg_entry *cfg, int slot);
+	void	(*event_notify)(struct ufs_hba *hba,
+				enum ufs_event_type evt, void *data);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /* clock gating state  */
@@ -350,6 +389,7 @@
  * @delay_attr: sysfs attribute to control delay_attr
  * @enable_attr: sysfs attribute to enable/disable clock gating
  * @is_enabled: Indicates the current status of clock gating
+ * @is_initialized: Indicates whether clock gating is initialized or not
  * @active_reqs: number of requests that are pending and should be waited for
  * completion before gating clocks.
  */
@@ -362,8 +402,11 @@
 	struct device_attribute delay_attr;
 	struct device_attribute enable_attr;
 	bool is_enabled;
+	bool is_initialized;
 	int active_reqs;
 	struct workqueue_struct *clk_gating_workq;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct ufs_saved_pwr_info {
@@ -385,7 +428,12 @@
  * @workq: workqueue to schedule devfreq suspend/resume work
  * @suspend_work: worker to suspend devfreq
  * @resume_work: worker to resume devfreq
- * @is_allowed: tracks if scaling is currently allowed or not
+ * @min_gear: lowest HS gear to scale down to
+ * @is_enabled: tracks if scaling is currently enabled or not, controlled by
+		clkscale_enable sysfs node
+ * @is_allowed: tracks if scaling is currently allowed or not, used to block
+		clock scaling which is not invoked from devfreq governor
+ * @is_initialized: Indicates whether clock scaling is initialized or not
  * @is_busy_started: tracks if busy period has started or not
  * @is_suspended: tracks if devfreq is suspended or not
  */
@@ -399,22 +447,29 @@
 	struct workqueue_struct *workq;
 	struct work_struct suspend_work;
 	struct work_struct resume_work;
+	u32 min_gear;
+	bool is_enabled;
 	bool is_allowed;
+	bool is_initialized;
 	bool is_busy_started;
 	bool is_suspended;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
-#define UFS_ERR_REG_HIST_LENGTH 8
+#define UFS_EVENT_HIST_LENGTH 8
 /**
- * struct ufs_err_reg_hist - keeps history of errors
+ * struct ufs_event_hist - keeps history of errors
  * @pos: index to indicate cyclic buffer position
  * @reg: cyclic buffer for registers value
  * @tstamp: cyclic buffer for time stamp
+ * @cnt: error counter
  */
-struct ufs_err_reg_hist {
+struct ufs_event_hist {
 	int pos;
-	u32 reg[UFS_ERR_REG_HIST_LENGTH];
-	ktime_t tstamp[UFS_ERR_REG_HIST_LENGTH];
+	u32 val[UFS_EVENT_HIST_LENGTH];
+	ktime_t tstamp[UFS_EVENT_HIST_LENGTH];
+	unsigned long long cnt;
 };
 
 /**
@@ -425,19 +480,6 @@
  *		reset this after link-startup.
  * @last_hibern8_exit_tstamp: Set time after the hibern8 exit.
  *		Clear after the first successful command completion.
- * @pa_err: tracks pa-uic errors
- * @dl_err: tracks dl-uic errors
- * @nl_err: tracks nl-uic errors
- * @tl_err: tracks tl-uic errors
- * @dme_err: tracks dme errors
- * @auto_hibern8_err: tracks auto-hibernate errors
- * @fatal_err: tracks fatal errors
- * @linkup_err: tracks link-startup errors
- * @resume_err: tracks resume errors
- * @suspend_err: tracks suspend errors
- * @dev_reset: tracks device reset events
- * @host_reset: tracks host reset events
- * @tsk_abort: tracks task abort events
  */
 struct ufs_stats {
 	u32 last_intr_status;
@@ -445,25 +487,28 @@
 
 	u32 hibern8_exit_cnt;
 	ktime_t last_hibern8_exit_tstamp;
+	struct ufs_event_hist event[UFS_EVT_CNT];
+};
 
-	/* uic specific errors */
-	struct ufs_err_reg_hist pa_err;
-	struct ufs_err_reg_hist dl_err;
-	struct ufs_err_reg_hist nl_err;
-	struct ufs_err_reg_hist tl_err;
-	struct ufs_err_reg_hist dme_err;
-
-	/* fatal errors */
-	struct ufs_err_reg_hist auto_hibern8_err;
-	struct ufs_err_reg_hist fatal_err;
-	struct ufs_err_reg_hist link_startup_err;
-	struct ufs_err_reg_hist resume_err;
-	struct ufs_err_reg_hist suspend_err;
-
-	/* abnormal events */
-	struct ufs_err_reg_hist dev_reset;
-	struct ufs_err_reg_hist host_reset;
-	struct ufs_err_reg_hist task_abort;
+/**
+ * enum ufshcd_state - UFS host controller state
+ * @UFSHCD_STATE_RESET: Link is not operational. Postpone SCSI command
+ *	processing.
+ * @UFSHCD_STATE_OPERATIONAL: The host controller is operational and can process
+ *	SCSI commands.
+ * @UFSHCD_STATE_EH_SCHEDULED_NON_FATAL: The error handler has been scheduled.
+ *	SCSI commands may be submitted to the controller.
+ * @UFSHCD_STATE_EH_SCHEDULED_FATAL: The error handler has been scheduled. Fail
+ *	newly submitted SCSI commands with error code DID_BAD_TARGET.
+ * @UFSHCD_STATE_ERROR: An unrecoverable error occurred, e.g. link recovery
+ *	failed. Fail all SCSI commands with error code DID_ERROR.
+ */
+enum ufshcd_state {
+	UFSHCD_STATE_RESET,
+	UFSHCD_STATE_OPERATIONAL,
+	UFSHCD_STATE_EH_SCHEDULED_NON_FATAL,
+	UFSHCD_STATE_EH_SCHEDULED_FATAL,
+	UFSHCD_STATE_ERROR,
 };
 
 enum ufshcd_quirks {
@@ -557,6 +602,41 @@
 	 * This quirk allows only sg entries aligned with page size.
 	 */
 	UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE		= 1 << 14,
+
+	/*
+	 * This quirk needs to be enabled if the host controller does not
+	 * support UIC command
+	 */
+	UFSHCD_QUIRK_BROKEN_UIC_CMD			= 1 << 15,
+
+	/*
+	 * This quirk needs to be enabled if the host controller cannot
+	 * support physical host configuration.
+	 */
+	UFSHCD_QUIRK_SKIP_PH_CONFIGURATION		= 1 << 16,
+
+	/*
+	 * This quirk needs to be enabled if the host controller supports inline
+	 * encryption, but it needs to initialize the crypto capabilities in a
+	 * nonstandard way and/or it needs to override blk_ksm_ll_ops.  If
+	 * enabled, the standard code won't initialize the blk_keyslot_manager;
+	 * ufs_hba_variant_ops::init() must do it instead.
+	 */
+	UFSHCD_QUIRK_CUSTOM_KEYSLOT_MANAGER		= 1 << 20,
+
+	/*
+	 * This quirk needs to be enabled if the host controller supports inline
+	 * encryption, but the CRYPTO_GENERAL_ENABLE bit is not implemented and
+	 * breaks the HCE sequence if used.
+	 */
+	UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE		= 1 << 21,
+
+	/*
+	 * This quirk needs to be enabled if the host controller requires that
+	 * the PRDT be cleared after each encrypted request because encryption
+	 * keys were stored in it.
+	 */
+	UFSHCD_QUIRK_KEYS_IN_PRDT			= 1 << 22,
 };
 
 enum ufshcd_caps {
@@ -607,6 +687,27 @@
 	 * inline crypto engine, if it is present
 	 */
 	UFSHCD_CAP_CRYPTO				= 1 << 8,
+
+	/*
+	 * This capability allows the controller regulators to be put into
+	 * lpm mode aggressively during clock gating.
+	 * This would increase power savings.
+	 */
+	UFSHCD_CAP_AGGR_POWER_COLLAPSE			= 1 << 9,
+
+	/*
+	 * This capability allows the host controller driver to use DeepSleep,
+	 * if it is supported by the UFS device. The host controller driver must
+	 * support device hardware reset via the hba->device_reset() callback,
+	 * in order to exit DeepSleep state.
+	 */
+	UFSHCD_CAP_DEEPSLEEP				= 1 << 10,
+
+	/*
+	 * This capability allows the host controller driver to use temperature
+	 * notification if it is supported by the UFS device.
+	 */
+	UFSHCD_CAP_TEMP_NOTIF				= 1 << 11,
 };
 
 struct ufs_hba_variant_params {
@@ -616,6 +717,50 @@
 	u32 wb_flush_threshold;
 };
 
+#ifdef CONFIG_SCSI_UFS_HPB
+/**
+ * struct ufshpb_dev_info - UFSHPB device related info
+ * @num_lu: the number of user logical unit to check whether all lu finished
+ *          initialization
+ * @rgn_size: device reported HPB region size
+ * @srgn_size: device reported HPB sub-region size
+ * @slave_conf_cnt: counter to check all lu finished initialization
+ * @hpb_disabled: flag to check if HPB is disabled
+ * @max_hpb_single_cmd: device reported bMAX_DATA_SIZE_FOR_SINGLE_CMD value
+ * @is_legacy: flag to check HPB 1.0
+ * @control_mode: either host or device
+ */
+struct ufshpb_dev_info {
+	int num_lu;
+	int rgn_size;
+	int srgn_size;
+	atomic_t slave_conf_cnt;
+	bool hpb_disabled;
+	u8 max_hpb_single_cmd;
+	bool is_legacy;
+	u8 control_mode;
+};
+#endif
+
+struct ufs_hba_monitor {
+	unsigned long chunk_size;
+
+	unsigned long nr_sec_rw[2];
+	ktime_t total_busy[2];
+
+	unsigned long nr_req[2];
+	/* latencies*/
+	ktime_t lat_sum[2];
+	ktime_t lat_max[2];
+	ktime_t lat_min[2];
+
+	u32 nr_queued[2];
+	ktime_t busy_start_ts[2];
+
+	ktime_t enabled_ts;
+	bool enabled;
+};
+
 /**
  * struct ufs_hba - per adapter private structure
  * @mmio_base: UFSHCI base register address
@@ -628,26 +773,30 @@
  * @host: Scsi_Host instance of the driver
  * @dev: device handle
  * @lrb: local reference block
- * @cmd_queue: Used to allocate command tags from hba->host->tag_set.
  * @outstanding_tasks: Bits representing outstanding task requests
+ * @outstanding_lock: Protects @outstanding_reqs.
  * @outstanding_reqs: Bits representing outstanding transfer requests
  * @capabilities: UFS Controller Capabilities
  * @nutrs: Transfer Request Queue depth supported by controller
  * @nutmrs: Task Management Queue depth supported by controller
+ * @reserved_slot: Used to submit device commands. Protected by @dev_cmd.lock.
  * @ufs_version: UFS Version to which controller complies
  * @vops: pointer to variant specific operations
  * @priv: pointer to variant specific private data
+ * @sg_entry_size: size of struct ufshcd_sg_entry (may include variant fields)
  * @irq: Irq number of the controller
  * @active_uic_cmd: handle of active UIC command
- * @uic_cmd_mutex: mutex for uic command
+ * @uic_cmd_mutex: mutex for UIC command
  * @tmf_tag_set: TMF tag set.
  * @tmf_queue: Used to allocate TMF tags.
  * @pwr_done: completion for power mode change
- * @ufshcd_state: UFSHCD states
+ * @ufshcd_state: UFSHCD state
  * @eh_flags: Error handling flags
  * @intr_mask: Interrupt Mask Bits
  * @ee_ctrl_mask: Exception event control mask
  * @is_powered: flag to check if HBA is powered
+ * @shutting_down: flag to check if shutdown has been invoked
+ * @host_sem: semaphore used to serialize concurrent contexts
  * @eh_wq: Workqueue that eh_work works on
  * @eh_work: Worker to handle UFS errors that require s/w attention
  * @eeh_work: Worker to handle exception events
@@ -665,6 +814,7 @@
  * @clk_list_head: UFS host controller clocks list node head
  * @pwr_info: holds current power mode
  * @max_pwr_info: keeps the device max valid pwm
+ * @clk_scaling_lock: used to serialize device commands and clock scaling
  * @desc_size: descriptor sizes reported by device
  * @urgent_bkops_lvl: keeps track of urgent bkops level for device
  * @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for
@@ -690,13 +840,15 @@
 
 	struct Scsi_Host *host;
 	struct device *dev;
-	struct request_queue *cmd_queue;
 	/*
 	 * This field is to keep a reference to "scsi_device" corresponding to
 	 * "UFS device" W-LU.
 	 */
 	struct scsi_device *sdev_ufs_device;
-	struct scsi_device *sdev_rpmb;
+
+#ifdef CONFIG_SCSI_UFS_HWMON
+	struct device *hwmon_device;
+#endif
 
 	enum ufs_dev_pwr_mode curr_dev_pwr_mode;
 	enum uic_link_state uic_link_state;
@@ -714,15 +866,18 @@
 	struct ufshcd_lrb *lrb;
 
 	unsigned long outstanding_tasks;
+	spinlock_t outstanding_lock;
 	unsigned long outstanding_reqs;
 
 	u32 capabilities;
 	int nutrs;
 	int nutmrs;
+	u32 reserved_slot;
 	u32 ufs_version;
 	const struct ufs_hba_variant_ops *vops;
 	struct ufs_hba_variant_params *vps;
 	void *priv;
+	size_t sg_entry_size;
 	unsigned int irq;
 	bool is_irq_enabled;
 	enum ufs_ref_clk_freq dev_ref_clk_freq;
@@ -740,11 +895,16 @@
 	struct mutex uic_cmd_mutex;
 	struct completion *uic_async_done;
 
-	u32 ufshcd_state;
+	enum ufshcd_state ufshcd_state;
 	u32 eh_flags;
 	u32 intr_mask;
-	u16 ee_ctrl_mask;
+	u16 ee_ctrl_mask; /* Exception event mask */
+	u16 ee_drv_mask;  /* Exception event mask for driver */
+	u16 ee_usr_mask;  /* Exception event mask for user (via debugfs) */
+	struct mutex ee_ctrl_mutex;
 	bool is_powered;
+	bool shutting_down;
+	struct semaphore host_sem;
 
 	/* Work Queues */
 	struct workqueue_struct *eh_wq;
@@ -764,6 +924,7 @@
 	/* Device management request data */
 	struct ufs_dev_cmd dev_cmd;
 	ktime_t last_dme_cmd_tstamp;
+	int nop_out_timeout;
 
 	/* Keeps information of the UFS device connected to this host */
 	struct ufs_dev_info dev_info;
@@ -771,8 +932,6 @@
 	struct ufs_vreg_info vreg_info;
 	struct list_head clk_list_head;
 
-	bool wlun_dev_clr_ua;
-
 	/* Number of requests aborts */
 	int req_abort_count;
 
@@ -798,16 +957,32 @@
 
 	struct device		bsg_dev;
 	struct request_queue	*bsg_queue;
-	bool wb_buf_flush_enabled;
-	bool wb_enabled;
 	struct delayed_work rpm_dev_flush_recheck_work;
 
+#ifdef CONFIG_SCSI_UFS_HPB
+	struct ufshpb_dev_info ufshpb_dev;
+#endif
+
+	struct ufs_hba_monitor	monitor;
+
 #ifdef CONFIG_SCSI_UFS_CRYPTO
 	union ufs_crypto_capabilities crypto_capabilities;
 	union ufs_crypto_cap_entry *crypto_cap_array;
 	u32 crypto_cfg_register;
 	struct blk_keyslot_manager ksm;
 #endif
+#ifdef CONFIG_DEBUG_FS
+	struct dentry *debugfs_root;
+	struct delayed_work debugfs_ee_work;
+	u32 debugfs_ee_rate_limit_ms;
+#endif
+	u32 luns_avail;
+	bool complete_put;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /* Returns true if clocks can be gated. Otherwise false */
@@ -834,16 +1009,14 @@
 
 static inline bool ufshcd_is_intr_aggr_allowed(struct ufs_hba *hba)
 {
-/* DWC UFS Core has the Interrupt aggregation feature but is not detectable*/
-#ifndef CONFIG_SCSI_UFS_DWC
-	if ((hba->caps & UFSHCD_CAP_INTR_AGGR) &&
-	    !(hba->quirks & UFSHCD_QUIRK_BROKEN_INTR_AGGR))
-		return true;
-	else
-		return false;
-#else
-return true;
-#endif
+	return (hba->caps & UFSHCD_CAP_INTR_AGGR) &&
+		!(hba->quirks & UFSHCD_QUIRK_BROKEN_INTR_AGGR);
+}
+
+static inline bool ufshcd_can_aggressive_pc(struct ufs_hba *hba)
+{
+	return !!(ufshcd_is_link_hibern8(hba) &&
+		  (hba->caps & UFSHCD_CAP_AGGR_POWER_COLLAPSE));
 }
 
 static inline bool ufshcd_is_auto_hibern8_supported(struct ufs_hba *hba)
@@ -862,6 +1035,11 @@
 	return hba->caps & UFSHCD_CAP_WB_EN;
 }
 
+static inline bool ufshcd_is_user_access_allowed(struct ufs_hba *hba)
+{
+	return !hba->shutting_down;
+}
+
 #define ufshcd_writel(hba, val, reg)	\
 	writel((val), (hba)->mmio_base + (reg))
 #define ufshcd_readl(hba, reg)	\
@@ -887,18 +1065,20 @@
 int ufshcd_alloc_host(struct device *, struct ufs_hba **);
 void ufshcd_dealloc_host(struct ufs_hba *);
 int ufshcd_hba_enable(struct ufs_hba *hba);
-int ufshcd_init(struct ufs_hba * , void __iomem * , unsigned int);
+int ufshcd_init(struct ufs_hba *, void __iomem *, unsigned int);
 int ufshcd_link_recovery(struct ufs_hba *hba);
 int ufshcd_make_hba_operational(struct ufs_hba *hba);
 void ufshcd_remove(struct ufs_hba *);
+int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);
 int ufshcd_uic_hibern8_exit(struct ufs_hba *hba);
 void ufshcd_delay_us(unsigned long us, unsigned long tolerance);
 int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,
 				u32 val, unsigned long interval_us,
 				unsigned long timeout_ms);
 void ufshcd_parse_dev_ref_clk_freq(struct ufs_hba *hba, struct clk *refclk);
-void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist,
-			    u32 reg);
+void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val);
+void ufshcd_hba_stop(struct ufs_hba *hba);
+void ufshcd_schedule_eh_work(struct ufs_hba *hba);
 
 static inline void check_upiu_size(void)
 {
@@ -934,17 +1114,33 @@
 
 static inline u8 ufshcd_wb_get_query_index(struct ufs_hba *hba)
 {
-	if (hba->dev_info.b_wb_buffer_type == WB_BUF_MODE_LU_DEDICATED)
+	if (hba->dev_info.wb_buffer_type == WB_BUF_MODE_LU_DEDICATED)
 		return hba->dev_info.wb_dedicated_lu;
 	return 0;
 }
 
-extern int ufshcd_runtime_suspend(struct ufs_hba *hba);
-extern int ufshcd_runtime_resume(struct ufs_hba *hba);
-extern int ufshcd_runtime_idle(struct ufs_hba *hba);
-extern int ufshcd_system_suspend(struct ufs_hba *hba);
-extern int ufshcd_system_resume(struct ufs_hba *hba);
+#ifdef CONFIG_SCSI_UFS_HWMON
+void ufs_hwmon_probe(struct ufs_hba *hba, u8 mask);
+void ufs_hwmon_remove(struct ufs_hba *hba);
+void ufs_hwmon_notify_event(struct ufs_hba *hba, u8 ee_mask);
+#else
+static inline void ufs_hwmon_probe(struct ufs_hba *hba, u8 mask) {}
+static inline void ufs_hwmon_remove(struct ufs_hba *hba) {}
+static inline void ufs_hwmon_notify_event(struct ufs_hba *hba, u8 ee_mask) {}
+#endif
+
+#ifdef CONFIG_PM
+extern int ufshcd_runtime_suspend(struct device *dev);
+extern int ufshcd_runtime_resume(struct device *dev);
+#endif
+#ifdef CONFIG_PM_SLEEP
+extern int ufshcd_system_suspend(struct device *dev);
+extern int ufshcd_system_resume(struct device *dev);
+#endif
 extern int ufshcd_shutdown(struct ufs_hba *hba);
+extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba,
+				      int agreed_gear,
+				      int adapt_val);
 extern int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel,
 			       u8 attr_set, u32 mib_val, u8 peer);
 extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,
@@ -1023,10 +1219,16 @@
 			   u8 param_offset,
 			   u8 *param_read_buf,
 			   u8 param_size);
+int ufshcd_query_attr_retry(struct ufs_hba *hba, enum query_opcode opcode,
+			    enum attr_idn idn, u8 index, u8 selector,
+			    u32 *attr_val);
 int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
 		      enum attr_idn idn, u8 index, u8 selector, u32 *attr_val);
 int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
 	enum flag_idn idn, u8 index, bool *flag_res);
+int ufshcd_query_flag_retry(struct ufs_hba *hba,
+	enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res);
+int ufshcd_bkops_ctrl(struct ufs_hba *hba, enum bkops_status status);
 
 void ufshcd_auto_hibern8_enable(struct ufs_hba *hba);
 void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit);
@@ -1039,6 +1241,9 @@
 int ufshcd_hold(struct ufs_hba *hba, bool async);
 void ufshcd_release(struct ufs_hba *hba);
 
+int ufshcd_freeze_scsi_devs(struct ufs_hba *hba, u64 timeout_us);
+void ufshcd_unfreeze_scsi_devs(struct ufs_hba *hba);
+
 void ufshcd_map_desc_id_to_length(struct ufs_hba *hba, enum desc_idn desc_id,
 				  int *desc_length);
 
@@ -1053,6 +1258,11 @@
 			     u8 *desc_buff, int *buff_len,
 			     enum query_opcode desc_op);
 
+int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable);
+int ufshcd_suspend_prepare(struct device *dev);
+int __ufshcd_suspend_prepare(struct device *dev, bool rpm_ok_for_spm);
+void ufshcd_resume_complete(struct device *dev);
+
 /* Wrapper functions for safely calling variant operations */
 static inline const char *ufshcd_get_var_name(struct ufs_hba *hba)
 {
@@ -1091,6 +1301,14 @@
 	return 0;
 }
 
+static inline void ufshcd_vops_event_notify(struct ufs_hba *hba,
+					    enum ufs_event_type evt,
+					    void *data)
+{
+	if (hba->vops && hba->vops->event_notify)
+		hba->vops->event_notify(hba, evt, data);
+}
+
 static inline int ufshcd_vops_setup_clocks(struct ufs_hba *hba, bool on,
 					enum ufs_notify_change_status status)
 {
@@ -1099,14 +1317,6 @@
 	return 0;
 }
 
-static inline int ufshcd_vops_setup_regulators(struct ufs_hba *hba, bool status)
-{
-	if (hba->vops && hba->vops->setup_regulators)
-		return hba->vops->setup_regulators(hba, status);
-
-	return 0;
-}
-
 static inline int ufshcd_vops_hce_enable_notify(struct ufs_hba *hba,
 						bool status)
 {
@@ -1124,8 +1334,16 @@
 	return 0;
 }
 
+static inline int ufshcd_vops_phy_initialization(struct ufs_hba *hba)
+{
+	if (hba->vops && hba->vops->phy_initialization)
+		return hba->vops->phy_initialization(hba);
+
+	return 0;
+}
+
 static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba,
-				  bool status,
+				  enum ufs_notify_change_status status,
 				  struct ufs_pa_layer_attr *dev_max_params,
 				  struct ufs_pa_layer_attr *dev_req_params)
 {
@@ -1136,13 +1354,6 @@
 	return -ENOTSUPP;
 }
 
-static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag,
-					bool is_scsi_cmd)
-{
-	if (hba->vops && hba->vops->setup_xfer_req)
-		return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
-}
-
 static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba,
 					int tag, u8 tm_function)
 {
@@ -1171,10 +1382,11 @@
 		hba->vops->fixup_dev_quirks(hba);
 }
 
-static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op)
+static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op,
+				enum ufs_notify_change_status status)
 {
 	if (hba->vops && hba->vops->suspend)
-		return hba->vops->suspend(hba, op);
+		return hba->vops->suspend(hba, op, status);
 
 	return 0;
 }
@@ -1193,21 +1405,12 @@
 		hba->vops->dbg_register_dump(hba);
 }
 
-static inline void ufshcd_vops_device_reset(struct ufs_hba *hba)
+static inline int ufshcd_vops_device_reset(struct ufs_hba *hba)
 {
-	if (hba->vops && hba->vops->device_reset) {
-		int err = hba->vops->device_reset(hba);
+	if (hba->vops && hba->vops->device_reset)
+		return hba->vops->device_reset(hba);
 
-		if (!err) {
-			ufshcd_set_ufs_dev_active(hba);
-			if (ufshcd_is_wb_allowed(hba)) {
-				hba->wb_enabled = false;
-				hba->wb_buf_flush_enabled = false;
-			}
-		}
-		if (err != -EOPNOTSUPP)
-			ufshcd_update_reg_hist(&hba->ufs_stats.dev_reset, err);
-	}
+	return -EOPNOTSUPP;
 }
 
 static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba,
@@ -1238,4 +1441,48 @@
 int ufshcd_dump_regs(struct ufs_hba *hba, size_t offset, size_t len,
 		     const char *prefix);
 
+int __ufshcd_write_ee_control(struct ufs_hba *hba, u32 ee_ctrl_mask);
+int ufshcd_write_ee_control(struct ufs_hba *hba);
+int ufshcd_update_ee_control(struct ufs_hba *hba, u16 *mask, u16 *other_mask,
+			     u16 set, u16 clr);
+
+static inline int ufshcd_update_ee_drv_mask(struct ufs_hba *hba,
+					    u16 set, u16 clr)
+{
+	return ufshcd_update_ee_control(hba, &hba->ee_drv_mask,
+					&hba->ee_usr_mask, set, clr);
+}
+
+static inline int ufshcd_update_ee_usr_mask(struct ufs_hba *hba,
+					    u16 set, u16 clr)
+{
+	return ufshcd_update_ee_control(hba, &hba->ee_usr_mask,
+					&hba->ee_drv_mask, set, clr);
+}
+
+static inline int ufshcd_rpm_get_sync(struct ufs_hba *hba)
+{
+	return pm_runtime_get_sync(&hba->sdev_ufs_device->sdev_gendev);
+}
+
+static inline int ufshcd_rpm_put_sync(struct ufs_hba *hba)
+{
+	return pm_runtime_put_sync(&hba->sdev_ufs_device->sdev_gendev);
+}
+
+static inline void ufshcd_rpm_get_noresume(struct ufs_hba *hba)
+{
+	pm_runtime_get_noresume(&hba->sdev_ufs_device->sdev_gendev);
+}
+
+static inline int ufshcd_rpm_resume(struct ufs_hba *hba)
+{
+	return pm_runtime_resume(&hba->sdev_ufs_device->sdev_gendev);
+}
+
+static inline int ufshcd_rpm_put(struct ufs_hba *hba)
+{
+	return pm_runtime_put(&hba->sdev_ufs_device->sdev_gendev);
+}
+
 #endif /* End of Header */
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index e380941..388cf54 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -74,13 +74,17 @@
 #define MINOR_VERSION_NUM_MASK		UFS_MASK(0xFFFF, 0)
 #define MAJOR_VERSION_NUM_MASK		UFS_MASK(0xFFFF, 16)
 
-/* Controller UFSHCI version */
-enum {
-	UFSHCI_VERSION_10 = 0x00010000, /* 1.0 */
-	UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */
-	UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */
-	UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */
-};
+/*
+ * Controller UFSHCI version
+ * - 2.x and newer use the following scheme:
+ *   major << 8 + minor << 4
+ * - 1.x has been converted to match this in
+ *   ufshcd_get_ufs_version()
+ */
+static inline u32 ufshci_version(u32 major, u32 minor)
+{
+	return (major << 8) + (minor << 4);
+}
 
 /*
  * HCDDID - Host Controller Identification Descriptor
@@ -382,7 +386,7 @@
 };
 
 /* Overall command status values */
-enum {
+enum utp_ocs {
 	OCS_SUCCESS			= 0x0,
 	OCS_INVALID_CMD_TABLE_ATTR	= 0x1,
 	OCS_INVALID_PRDT_ATTR		= 0x2,
@@ -395,6 +399,9 @@
 	OCS_INVALID_CRYPTO_CONFIG	= 0x9,
 	OCS_GENERAL_CRYPTO_ERROR	= 0xA,
 	OCS_INVALID_COMMAND_STATUS	= 0x0F,
+};
+
+enum {
 	MASK_OCS			= 0x0F,
 };
 
@@ -405,30 +412,36 @@
 
 /**
  * struct ufshcd_sg_entry - UFSHCI PRD Entry
- * @base_addr: Lower 32bit physical address DW-0
- * @upper_addr: Upper 32bit physical address DW-1
+ * @addr: Physical address; DW-0 and DW-1.
  * @reserved: Reserved for future use DW-2
  * @size: size of physical segment DW-3
  */
 struct ufshcd_sg_entry {
-	__le32    base_addr;
-	__le32    upper_addr;
+	__le64    addr;
 	__le32    reserved;
 	__le32    size;
+	/*
+	 * followed by variant-specific fields if
+	 * hba->sg_entry_size != sizeof(struct ufshcd_sg_entry)
+	 */
 };
 
 /**
- * struct utp_transfer_cmd_desc - UFS Command Descriptor structure
+ * struct utp_transfer_cmd_desc - UTP Command Descriptor (UCD)
  * @command_upiu: Command UPIU Frame address
  * @response_upiu: Response UPIU Frame address
- * @prd_table: Physical Region Descriptor
+ * @prd_table: Physical Region Descriptor: an array of SG_ALL struct
+ *	ufshcd_sg_entry's.  Variant-specific fields may be present after each.
  */
 struct utp_transfer_cmd_desc {
 	u8 command_upiu[ALIGNED_UPIU_SIZE];
 	u8 response_upiu[ALIGNED_UPIU_SIZE];
-	struct ufshcd_sg_entry    prd_table[SG_ALL];
+	u8 prd_table[];
 };
 
+#define sizeof_utp_transfer_cmd_desc(hba)	\
+	(sizeof(struct utp_transfer_cmd_desc) + SG_ALL * (hba)->sg_entry_size)
+
 /**
  * struct request_desc_header - Descriptor Header common to both UTRD and UTMRD
  * @dword0: Descriptor Header DW0
@@ -444,7 +457,7 @@
 };
 
 /**
- * struct utp_transfer_req_desc - UTRD structure
+ * struct utp_transfer_req_desc - UTP Transfer Request Descriptor (UTRD)
  * @header: UTRD header DW-0 to DW-3
  * @command_desc_base_addr_lo: UCD base address low DW-4
  * @command_desc_base_addr_hi: UCD base address high DW-5
@@ -479,17 +492,21 @@
 	struct request_desc_header header;
 
 	/* DW 4-11 - Task request UPIU structure */
-	struct utp_upiu_header	req_header;
-	__be32			input_param1;
-	__be32			input_param2;
-	__be32			input_param3;
-	__be32			__reserved1[2];
+	struct {
+		struct utp_upiu_header	req_header;
+		__be32			input_param1;
+		__be32			input_param2;
+		__be32			input_param3;
+		__be32			__reserved1[2];
+	} upiu_req;
 
 	/* DW 12-19 - Task Management Response UPIU structure */
-	struct utp_upiu_header	rsp_header;
-	__be32			output_param1;
-	__be32			output_param2;
-	__be32			__reserved2[3];
+	struct {
+		struct utp_upiu_header	rsp_header;
+		__be32			output_param1;
+		__be32			output_param2;
+		__be32			__reserved2[3];
+	} upiu_rsp;
 };
 
 #endif /* End of Header */
diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
new file mode 100644
index 0000000..63078ce
--- /dev/null
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -0,0 +1,2635 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Universal Flash Storage Host Performance Booster
+ *
+ * Copyright (C) 2017-2021 Samsung Electronics Co., Ltd.
+ *
+ * Authors:
+ *	Yongmyung Lee <ymhungry.lee@samsung.com>
+ *	Jinyoung Choi <j-young.choi@samsung.com>
+ */
+
+#include <asm/unaligned.h>
+
+#include "ufshcd.h"
+#include "ufshpb.h"
+#include "../sd.h"
+
+#define ACTIVATION_THRESHOLD 8 /* 8 IOs */
+#define READ_TO_MS 1000
+#define READ_TO_EXPIRIES 100
+#define POLLING_INTERVAL_MS 200
+#define THROTTLE_MAP_REQ_DEFAULT 1
+
+/* memory management */
+static struct kmem_cache *ufshpb_mctx_cache;
+static mempool_t *ufshpb_mctx_pool;
+static mempool_t *ufshpb_page_pool;
+/* A cache size of 2MB can cache ppn in the 1GB range. */
+static unsigned int ufshpb_host_map_kbytes = 2048;
+static int tot_active_srgn_pages;
+
+static struct workqueue_struct *ufshpb_wq;
+
+static void ufshpb_update_active_info(struct ufshpb_lu *hpb, int rgn_idx,
+				      int srgn_idx);
+
+bool ufshpb_is_allowed(struct ufs_hba *hba)
+{
+	return !(hba->ufshpb_dev.hpb_disabled);
+}
+
+/* HPB version 1.0 is called as legacy version. */
+bool ufshpb_is_legacy(struct ufs_hba *hba)
+{
+	return hba->ufshpb_dev.is_legacy;
+}
+
+static struct ufshpb_lu *ufshpb_get_hpb_data(struct scsi_device *sdev)
+{
+	return sdev->hostdata;
+}
+
+static int ufshpb_get_state(struct ufshpb_lu *hpb)
+{
+	return atomic_read(&hpb->hpb_state);
+}
+
+static void ufshpb_set_state(struct ufshpb_lu *hpb, int state)
+{
+	atomic_set(&hpb->hpb_state, state);
+}
+
+static int ufshpb_is_valid_srgn(struct ufshpb_region *rgn,
+				struct ufshpb_subregion *srgn)
+{
+	return rgn->rgn_state != HPB_RGN_INACTIVE &&
+		srgn->srgn_state == HPB_SRGN_VALID;
+}
+
+static bool ufshpb_is_read_cmd(struct scsi_cmnd *cmd)
+{
+	return req_op(scsi_cmd_to_rq(cmd)) == REQ_OP_READ;
+}
+
+static bool ufshpb_is_write_or_discard(struct scsi_cmnd *cmd)
+{
+	return op_is_write(req_op(scsi_cmd_to_rq(cmd))) ||
+	       op_is_discard(req_op(scsi_cmd_to_rq(cmd)));
+}
+
+static bool ufshpb_is_supported_chunk(struct ufshpb_lu *hpb, int transfer_len)
+{
+	return transfer_len <= hpb->pre_req_max_tr_len;
+}
+
+static bool ufshpb_is_general_lun(int lun)
+{
+	return lun < UFS_UPIU_MAX_UNIT_NUM_ID;
+}
+
+static bool ufshpb_is_pinned_region(struct ufshpb_lu *hpb, int rgn_idx)
+{
+	if (hpb->lu_pinned_end != PINNED_NOT_SET &&
+	    rgn_idx >= hpb->lu_pinned_start &&
+	    rgn_idx <= hpb->lu_pinned_end)
+		return true;
+
+	return false;
+}
+
+static void ufshpb_kick_map_work(struct ufshpb_lu *hpb)
+{
+	bool ret = false;
+	unsigned long flags;
+
+	if (ufshpb_get_state(hpb) != HPB_PRESENT)
+		return;
+
+	spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+	if (!list_empty(&hpb->lh_inact_rgn) || !list_empty(&hpb->lh_act_srgn))
+		ret = true;
+	spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+
+	if (ret)
+		queue_work(ufshpb_wq, &hpb->map_work);
+}
+
+static bool ufshpb_is_hpb_rsp_valid(struct ufs_hba *hba,
+				    struct ufshcd_lrb *lrbp,
+				    struct utp_hpb_rsp *rsp_field)
+{
+	/* Check HPB_UPDATE_ALERT */
+	if (!(lrbp->ucd_rsp_ptr->header.dword_2 &
+	      UPIU_HEADER_DWORD(0, 2, 0, 0)))
+		return false;
+
+	if (be16_to_cpu(rsp_field->sense_data_len) != DEV_SENSE_SEG_LEN ||
+	    rsp_field->desc_type != DEV_DES_TYPE ||
+	    rsp_field->additional_len != DEV_ADDITIONAL_LEN ||
+	    rsp_field->active_rgn_cnt > MAX_ACTIVE_NUM ||
+	    rsp_field->inactive_rgn_cnt > MAX_INACTIVE_NUM ||
+	    rsp_field->hpb_op == HPB_RSP_NONE ||
+	    (rsp_field->hpb_op == HPB_RSP_REQ_REGION_UPDATE &&
+	     !rsp_field->active_rgn_cnt && !rsp_field->inactive_rgn_cnt))
+		return false;
+
+	if (!ufshpb_is_general_lun(rsp_field->lun)) {
+		dev_warn(hba->dev, "ufshpb: lun(%d) not supported\n",
+			 lrbp->lun);
+		return false;
+	}
+
+	return true;
+}
+
+static void ufshpb_iterate_rgn(struct ufshpb_lu *hpb, int rgn_idx, int srgn_idx,
+			       int srgn_offset, int cnt, bool set_dirty)
+{
+	struct ufshpb_region *rgn;
+	struct ufshpb_subregion *srgn, *prev_srgn = NULL;
+	int set_bit_len;
+	int bitmap_len;
+	unsigned long flags;
+
+next_srgn:
+	rgn = hpb->rgn_tbl + rgn_idx;
+	srgn = rgn->srgn_tbl + srgn_idx;
+
+	if (likely(!srgn->is_last))
+		bitmap_len = hpb->entries_per_srgn;
+	else
+		bitmap_len = hpb->last_srgn_entries;
+
+	if ((srgn_offset + cnt) > bitmap_len)
+		set_bit_len = bitmap_len - srgn_offset;
+	else
+		set_bit_len = cnt;
+
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+	if (set_dirty && rgn->rgn_state != HPB_RGN_INACTIVE &&
+	    srgn->srgn_state == HPB_SRGN_VALID)
+		bitmap_set(srgn->mctx->ppn_dirty, srgn_offset, set_bit_len);
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+	if (hpb->is_hcm && prev_srgn != srgn) {
+		bool activate = false;
+
+		spin_lock(&rgn->rgn_lock);
+		if (set_dirty) {
+			rgn->reads -= srgn->reads;
+			srgn->reads = 0;
+			set_bit(RGN_FLAG_DIRTY, &rgn->rgn_flags);
+		} else {
+			srgn->reads++;
+			rgn->reads++;
+			if (srgn->reads == hpb->params.activation_thld)
+				activate = true;
+		}
+		spin_unlock(&rgn->rgn_lock);
+
+		if (activate ||
+		    test_and_clear_bit(RGN_FLAG_UPDATE, &rgn->rgn_flags)) {
+			spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+			ufshpb_update_active_info(hpb, rgn_idx, srgn_idx);
+			spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+			dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+				"activate region %d-%d\n", rgn_idx, srgn_idx);
+		}
+
+		prev_srgn = srgn;
+	}
+
+	srgn_offset = 0;
+	if (++srgn_idx == hpb->srgns_per_rgn) {
+		srgn_idx = 0;
+		rgn_idx++;
+	}
+
+	cnt -= set_bit_len;
+	if (cnt > 0)
+		goto next_srgn;
+}
+
+static bool ufshpb_test_ppn_dirty(struct ufshpb_lu *hpb, int rgn_idx,
+				  int srgn_idx, int srgn_offset, int cnt)
+{
+	struct ufshpb_region *rgn;
+	struct ufshpb_subregion *srgn;
+	int bitmap_len;
+	int bit_len;
+
+next_srgn:
+	rgn = hpb->rgn_tbl + rgn_idx;
+	srgn = rgn->srgn_tbl + srgn_idx;
+
+	if (likely(!srgn->is_last))
+		bitmap_len = hpb->entries_per_srgn;
+	else
+		bitmap_len = hpb->last_srgn_entries;
+
+	if (!ufshpb_is_valid_srgn(rgn, srgn))
+		return true;
+
+	/*
+	 * If the region state is active, mctx must be allocated.
+	 * In this case, check whether the region is evicted or
+	 * mctx allcation fail.
+	 */
+	if (unlikely(!srgn->mctx)) {
+		dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			"no mctx in region %d subregion %d.\n",
+			srgn->rgn_idx, srgn->srgn_idx);
+		return true;
+	}
+
+	if ((srgn_offset + cnt) > bitmap_len)
+		bit_len = bitmap_len - srgn_offset;
+	else
+		bit_len = cnt;
+
+	if (find_next_bit(srgn->mctx->ppn_dirty, bit_len + srgn_offset,
+			  srgn_offset) < bit_len + srgn_offset)
+		return true;
+
+	srgn_offset = 0;
+	if (++srgn_idx == hpb->srgns_per_rgn) {
+		srgn_idx = 0;
+		rgn_idx++;
+	}
+
+	cnt -= bit_len;
+	if (cnt > 0)
+		goto next_srgn;
+
+	return false;
+}
+
+static inline bool is_rgn_dirty(struct ufshpb_region *rgn)
+{
+	return test_bit(RGN_FLAG_DIRTY, &rgn->rgn_flags);
+}
+
+static int ufshpb_fill_ppn_from_page(struct ufshpb_lu *hpb,
+				     struct ufshpb_map_ctx *mctx, int pos,
+				     int len, __be64 *ppn_buf)
+{
+	struct page *page;
+	int index, offset;
+	int copied;
+
+	index = pos / (PAGE_SIZE / HPB_ENTRY_SIZE);
+	offset = pos % (PAGE_SIZE / HPB_ENTRY_SIZE);
+
+	if ((offset + len) <= (PAGE_SIZE / HPB_ENTRY_SIZE))
+		copied = len;
+	else
+		copied = (PAGE_SIZE / HPB_ENTRY_SIZE) - offset;
+
+	page = mctx->m_page[index];
+	if (unlikely(!page)) {
+		dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			"error. cannot find page in mctx\n");
+		return -ENOMEM;
+	}
+
+	memcpy(ppn_buf, page_address(page) + (offset * HPB_ENTRY_SIZE),
+	       copied * HPB_ENTRY_SIZE);
+
+	return copied;
+}
+
+static void
+ufshpb_get_pos_from_lpn(struct ufshpb_lu *hpb, unsigned long lpn, int *rgn_idx,
+			int *srgn_idx, int *offset)
+{
+	int rgn_offset;
+
+	*rgn_idx = lpn >> hpb->entries_per_rgn_shift;
+	rgn_offset = lpn & hpb->entries_per_rgn_mask;
+	*srgn_idx = rgn_offset >> hpb->entries_per_srgn_shift;
+	*offset = rgn_offset & hpb->entries_per_srgn_mask;
+}
+
+static void
+ufshpb_set_hpb_read_to_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
+			    __be64 ppn, u8 transfer_len)
+{
+	unsigned char *cdb = lrbp->cmd->cmnd;
+	__be64 ppn_tmp = ppn;
+	cdb[0] = UFSHPB_READ;
+
+	if (hba->dev_quirks & UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ)
+		ppn_tmp = (__force __be64)swab64((__force u64)ppn);
+
+	/* ppn value is stored as big-endian in the host memory */
+	memcpy(&cdb[6], &ppn_tmp, sizeof(__be64));
+	cdb[14] = transfer_len;
+	cdb[15] = 0;
+
+	lrbp->cmd->cmd_len = UFS_CDB_SIZE;
+}
+
+/*
+ * This function will set up HPB read command using host-side L2P map data.
+ */
+int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+	struct ufshpb_lu *hpb;
+	struct ufshpb_region *rgn;
+	struct ufshpb_subregion *srgn;
+	struct scsi_cmnd *cmd = lrbp->cmd;
+	u32 lpn;
+	__be64 ppn;
+	unsigned long flags;
+	int transfer_len, rgn_idx, srgn_idx, srgn_offset;
+	int err = 0;
+
+	hpb = ufshpb_get_hpb_data(cmd->device);
+	if (!hpb)
+		return -ENODEV;
+
+	if (ufshpb_get_state(hpb) == HPB_INIT)
+		return -ENODEV;
+
+	if (ufshpb_get_state(hpb) != HPB_PRESENT) {
+		dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+			   "%s: ufshpb state is not PRESENT", __func__);
+		return -ENODEV;
+	}
+
+	if (blk_rq_is_scsi(scsi_cmd_to_rq(cmd)) ||
+	    (!ufshpb_is_write_or_discard(cmd) &&
+	     !ufshpb_is_read_cmd(cmd)))
+		return 0;
+
+	transfer_len = sectors_to_logical(cmd->device,
+					  blk_rq_sectors(scsi_cmd_to_rq(cmd)));
+	if (unlikely(!transfer_len))
+		return 0;
+
+	lpn = sectors_to_logical(cmd->device, blk_rq_pos(scsi_cmd_to_rq(cmd)));
+	ufshpb_get_pos_from_lpn(hpb, lpn, &rgn_idx, &srgn_idx, &srgn_offset);
+	rgn = hpb->rgn_tbl + rgn_idx;
+	srgn = rgn->srgn_tbl + srgn_idx;
+
+	/* If command type is WRITE or DISCARD, set bitmap as drity */
+	if (ufshpb_is_write_or_discard(cmd)) {
+		ufshpb_iterate_rgn(hpb, rgn_idx, srgn_idx, srgn_offset,
+				   transfer_len, true);
+		return 0;
+	}
+
+	if (!ufshpb_is_supported_chunk(hpb, transfer_len))
+		return 0;
+
+	if (hpb->is_hcm) {
+		/*
+		 * in host control mode, reads are the main source for
+		 * activation trials.
+		 */
+		ufshpb_iterate_rgn(hpb, rgn_idx, srgn_idx, srgn_offset,
+				   transfer_len, false);
+
+		/* keep those counters normalized */
+		if (rgn->reads > hpb->entries_per_srgn)
+			schedule_work(&hpb->ufshpb_normalization_work);
+	}
+
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+	if (ufshpb_test_ppn_dirty(hpb, rgn_idx, srgn_idx, srgn_offset,
+				   transfer_len)) {
+		hpb->stats.miss_cnt++;
+		spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+		return 0;
+	}
+
+	err = ufshpb_fill_ppn_from_page(hpb, srgn->mctx, srgn_offset, 1, &ppn);
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+	if (unlikely(err < 0)) {
+		/*
+		 * In this case, the region state is active,
+		 * but the ppn table is not allocated.
+		 * Make sure that ppn table must be allocated on
+		 * active state.
+		 */
+		dev_err(hba->dev, "get ppn failed. err %d\n", err);
+		return err;
+	}
+
+	ufshpb_set_hpb_read_to_upiu(hba, lrbp, ppn, transfer_len);
+
+	hpb->stats.hit_cnt++;
+	return 0;
+}
+
+static struct ufshpb_req *ufshpb_get_req(struct ufshpb_lu *hpb,
+					 int rgn_idx, enum req_opf dir,
+					 bool atomic)
+{
+	struct ufshpb_req *rq;
+	struct request *req;
+	int retries = HPB_MAP_REQ_RETRIES;
+
+	rq = kmem_cache_alloc(hpb->map_req_cache, GFP_KERNEL);
+	if (!rq)
+		return NULL;
+
+retry:
+	req = blk_get_request(hpb->sdev_ufs_lu->request_queue, dir,
+			      BLK_MQ_REQ_NOWAIT);
+
+	if (!atomic && (PTR_ERR(req) == -EWOULDBLOCK) && (--retries > 0)) {
+		usleep_range(3000, 3100);
+		goto retry;
+	}
+
+	if (IS_ERR(req))
+		goto free_rq;
+
+	rq->hpb = hpb;
+	rq->req = req;
+	rq->rb.rgn_idx = rgn_idx;
+
+	return rq;
+
+free_rq:
+	kmem_cache_free(hpb->map_req_cache, rq);
+	return NULL;
+}
+
+static void ufshpb_put_req(struct ufshpb_lu *hpb, struct ufshpb_req *rq)
+{
+	blk_put_request(rq->req);
+	kmem_cache_free(hpb->map_req_cache, rq);
+}
+
+static struct ufshpb_req *ufshpb_get_map_req(struct ufshpb_lu *hpb,
+					     struct ufshpb_subregion *srgn)
+{
+	struct ufshpb_req *map_req;
+	struct bio *bio;
+
+	if (hpb->is_hcm &&
+	    hpb->num_inflight_map_req >= hpb->params.inflight_map_req) {
+		dev_info(&hpb->sdev_ufs_lu->sdev_dev,
+			 "map_req throttle. inflight %d throttle %d",
+			 hpb->num_inflight_map_req,
+			 hpb->params.inflight_map_req);
+		return NULL;
+	}
+
+	map_req = ufshpb_get_req(hpb, srgn->rgn_idx, REQ_OP_SCSI_IN, false);
+	if (!map_req)
+		return NULL;
+
+	bio = bio_alloc(GFP_KERNEL, hpb->pages_per_srgn);
+	if (!bio) {
+		ufshpb_put_req(hpb, map_req);
+		return NULL;
+	}
+
+	map_req->bio = bio;
+
+	map_req->rb.srgn_idx = srgn->srgn_idx;
+	map_req->rb.mctx = srgn->mctx;
+	hpb->num_inflight_map_req++;
+
+	return map_req;
+}
+
+static void ufshpb_put_map_req(struct ufshpb_lu *hpb,
+			       struct ufshpb_req *map_req)
+{
+	bio_put(map_req->bio);
+	ufshpb_put_req(hpb, map_req);
+	hpb->num_inflight_map_req--;
+}
+
+static int ufshpb_clear_dirty_bitmap(struct ufshpb_lu *hpb,
+				     struct ufshpb_subregion *srgn)
+{
+	struct ufshpb_region *rgn;
+	u32 num_entries = hpb->entries_per_srgn;
+
+	if (!srgn->mctx) {
+		dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			"no mctx in region %d subregion %d.\n",
+			srgn->rgn_idx, srgn->srgn_idx);
+		return -1;
+	}
+
+	if (unlikely(srgn->is_last))
+		num_entries = hpb->last_srgn_entries;
+
+	bitmap_zero(srgn->mctx->ppn_dirty, num_entries);
+
+	rgn = hpb->rgn_tbl + srgn->rgn_idx;
+	clear_bit(RGN_FLAG_DIRTY, &rgn->rgn_flags);
+
+	return 0;
+}
+
+static void ufshpb_update_active_info(struct ufshpb_lu *hpb, int rgn_idx,
+				      int srgn_idx)
+{
+	struct ufshpb_region *rgn;
+	struct ufshpb_subregion *srgn;
+
+	rgn = hpb->rgn_tbl + rgn_idx;
+	srgn = rgn->srgn_tbl + srgn_idx;
+
+	list_del_init(&rgn->list_inact_rgn);
+
+	if (list_empty(&srgn->list_act_srgn))
+		list_add_tail(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+
+	hpb->stats.rb_active_cnt++;
+}
+
+static void ufshpb_update_inactive_info(struct ufshpb_lu *hpb, int rgn_idx)
+{
+	struct ufshpb_region *rgn;
+	struct ufshpb_subregion *srgn;
+	int srgn_idx;
+
+	rgn = hpb->rgn_tbl + rgn_idx;
+
+	for_each_sub_region(rgn, srgn_idx, srgn)
+		list_del_init(&srgn->list_act_srgn);
+
+	if (list_empty(&rgn->list_inact_rgn))
+		list_add_tail(&rgn->list_inact_rgn, &hpb->lh_inact_rgn);
+
+	hpb->stats.rb_inactive_cnt++;
+}
+
+static void ufshpb_activate_subregion(struct ufshpb_lu *hpb,
+				      struct ufshpb_subregion *srgn)
+{
+	struct ufshpb_region *rgn;
+
+	/*
+	 * If there is no mctx in subregion
+	 * after I/O progress for HPB_READ_BUFFER, the region to which the
+	 * subregion belongs was evicted.
+	 * Make sure the region must not evict in I/O progress
+	 */
+	if (!srgn->mctx) {
+		dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			"no mctx in region %d subregion %d.\n",
+			srgn->rgn_idx, srgn->srgn_idx);
+		srgn->srgn_state = HPB_SRGN_INVALID;
+		return;
+	}
+
+	rgn = hpb->rgn_tbl + srgn->rgn_idx;
+
+	if (unlikely(rgn->rgn_state == HPB_RGN_INACTIVE)) {
+		dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			"region %d subregion %d evicted\n",
+			srgn->rgn_idx, srgn->srgn_idx);
+		srgn->srgn_state = HPB_SRGN_INVALID;
+		return;
+	}
+	srgn->srgn_state = HPB_SRGN_VALID;
+}
+
+static void ufshpb_umap_req_compl_fn(struct request *req, blk_status_t error)
+{
+	struct ufshpb_req *umap_req = (struct ufshpb_req *)req->end_io_data;
+
+	ufshpb_put_req(umap_req->hpb, umap_req);
+}
+
+static void ufshpb_map_req_compl_fn(struct request *req, blk_status_t error)
+{
+	struct ufshpb_req *map_req = (struct ufshpb_req *) req->end_io_data;
+	struct ufshpb_lu *hpb = map_req->hpb;
+	struct ufshpb_subregion *srgn;
+	unsigned long flags;
+
+	srgn = hpb->rgn_tbl[map_req->rb.rgn_idx].srgn_tbl +
+		map_req->rb.srgn_idx;
+
+	ufshpb_clear_dirty_bitmap(hpb, srgn);
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+	ufshpb_activate_subregion(hpb, srgn);
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+	ufshpb_put_map_req(map_req->hpb, map_req);
+}
+
+static void ufshpb_set_unmap_cmd(unsigned char *cdb, struct ufshpb_region *rgn)
+{
+	cdb[0] = UFSHPB_WRITE_BUFFER;
+	cdb[1] = rgn ? UFSHPB_WRITE_BUFFER_INACT_SINGLE_ID :
+			  UFSHPB_WRITE_BUFFER_INACT_ALL_ID;
+	if (rgn)
+		put_unaligned_be16(rgn->rgn_idx, &cdb[2]);
+	cdb[9] = 0x00;
+}
+
+static void ufshpb_set_read_buf_cmd(unsigned char *cdb, int rgn_idx,
+				    int srgn_idx, int srgn_mem_size)
+{
+	cdb[0] = UFSHPB_READ_BUFFER;
+	cdb[1] = UFSHPB_READ_BUFFER_ID;
+
+	put_unaligned_be16(rgn_idx, &cdb[2]);
+	put_unaligned_be16(srgn_idx, &cdb[4]);
+	put_unaligned_be24(srgn_mem_size, &cdb[6]);
+
+	cdb[9] = 0x00;
+}
+
+static void ufshpb_execute_umap_req(struct ufshpb_lu *hpb,
+				   struct ufshpb_req *umap_req,
+				   struct ufshpb_region *rgn)
+{
+	struct request *req;
+	struct scsi_request *rq;
+
+	req = umap_req->req;
+	req->timeout = 0;
+	req->end_io_data = (void *)umap_req;
+	rq = scsi_req(req);
+	ufshpb_set_unmap_cmd(rq->cmd, rgn);
+	rq->cmd_len = HPB_WRITE_BUFFER_CMD_LENGTH;
+
+	blk_execute_rq_nowait(req->q, NULL, req, 1, ufshpb_umap_req_compl_fn);
+
+	hpb->stats.umap_req_cnt++;
+}
+
+static int ufshpb_execute_map_req(struct ufshpb_lu *hpb,
+				  struct ufshpb_req *map_req, bool last)
+{
+	struct request_queue *q;
+	struct request *req;
+	struct scsi_request *rq;
+	int mem_size = hpb->srgn_mem_size;
+	int ret = 0;
+	int i;
+
+	q = hpb->sdev_ufs_lu->request_queue;
+	for (i = 0; i < hpb->pages_per_srgn; i++) {
+		ret = bio_add_pc_page(q, map_req->bio, map_req->rb.mctx->m_page[i],
+				      PAGE_SIZE, 0);
+		if (ret != PAGE_SIZE) {
+			dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+				   "bio_add_pc_page fail %d - %d\n",
+				   map_req->rb.rgn_idx, map_req->rb.srgn_idx);
+			return ret;
+		}
+	}
+
+	req = map_req->req;
+
+	blk_rq_append_bio(req, &map_req->bio);
+
+	req->end_io_data = map_req;
+
+	rq = scsi_req(req);
+
+	if (unlikely(last))
+		mem_size = hpb->last_srgn_entries * HPB_ENTRY_SIZE;
+
+	ufshpb_set_read_buf_cmd(rq->cmd, map_req->rb.rgn_idx,
+				map_req->rb.srgn_idx, mem_size);
+	rq->cmd_len = HPB_READ_BUFFER_CMD_LENGTH;
+
+	blk_execute_rq_nowait(q, NULL, req, 1, ufshpb_map_req_compl_fn);
+
+	hpb->stats.map_req_cnt++;
+	return 0;
+}
+
+static struct ufshpb_map_ctx *ufshpb_get_map_ctx(struct ufshpb_lu *hpb,
+						 bool last)
+{
+	struct ufshpb_map_ctx *mctx;
+	u32 num_entries = hpb->entries_per_srgn;
+	int i, j;
+
+	mctx = mempool_alloc(ufshpb_mctx_pool, GFP_KERNEL);
+	if (!mctx)
+		return NULL;
+
+	mctx->m_page = kmem_cache_alloc(hpb->m_page_cache, GFP_KERNEL);
+	if (!mctx->m_page)
+		goto release_mctx;
+
+	if (unlikely(last))
+		num_entries = hpb->last_srgn_entries;
+
+	mctx->ppn_dirty = bitmap_zalloc(num_entries, GFP_KERNEL);
+	if (!mctx->ppn_dirty)
+		goto release_m_page;
+
+	for (i = 0; i < hpb->pages_per_srgn; i++) {
+		mctx->m_page[i] = mempool_alloc(ufshpb_page_pool, GFP_KERNEL);
+		if (!mctx->m_page[i]) {
+			for (j = 0; j < i; j++)
+				mempool_free(mctx->m_page[j], ufshpb_page_pool);
+			goto release_ppn_dirty;
+		}
+		clear_page(page_address(mctx->m_page[i]));
+	}
+
+	return mctx;
+
+release_ppn_dirty:
+	bitmap_free(mctx->ppn_dirty);
+release_m_page:
+	kmem_cache_free(hpb->m_page_cache, mctx->m_page);
+release_mctx:
+	mempool_free(mctx, ufshpb_mctx_pool);
+	return NULL;
+}
+
+static void ufshpb_put_map_ctx(struct ufshpb_lu *hpb,
+			       struct ufshpb_map_ctx *mctx)
+{
+	int i;
+
+	for (i = 0; i < hpb->pages_per_srgn; i++)
+		mempool_free(mctx->m_page[i], ufshpb_page_pool);
+
+	bitmap_free(mctx->ppn_dirty);
+	kmem_cache_free(hpb->m_page_cache, mctx->m_page);
+	mempool_free(mctx, ufshpb_mctx_pool);
+}
+
+static int ufshpb_check_srgns_issue_state(struct ufshpb_lu *hpb,
+					  struct ufshpb_region *rgn)
+{
+	struct ufshpb_subregion *srgn;
+	int srgn_idx;
+
+	for_each_sub_region(rgn, srgn_idx, srgn)
+		if (srgn->srgn_state == HPB_SRGN_ISSUED)
+			return -EPERM;
+
+	return 0;
+}
+
+static void ufshpb_read_to_handler(struct work_struct *work)
+{
+	struct ufshpb_lu *hpb = container_of(work, struct ufshpb_lu,
+					     ufshpb_read_to_work.work);
+	struct victim_select_info *lru_info = &hpb->lru_info;
+	struct ufshpb_region *rgn, *next_rgn;
+	unsigned long flags;
+	unsigned int poll;
+	LIST_HEAD(expired_list);
+
+	if (test_and_set_bit(TIMEOUT_WORK_RUNNING, &hpb->work_data_bits))
+		return;
+
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+
+	list_for_each_entry_safe(rgn, next_rgn, &lru_info->lh_lru_rgn,
+				 list_lru_rgn) {
+		bool timedout = ktime_after(ktime_get(), rgn->read_timeout);
+
+		if (timedout) {
+			rgn->read_timeout_expiries--;
+			if (is_rgn_dirty(rgn) ||
+			    rgn->read_timeout_expiries == 0)
+				list_add(&rgn->list_expired_rgn, &expired_list);
+			else
+				rgn->read_timeout = ktime_add_ms(ktime_get(),
+						hpb->params.read_timeout_ms);
+		}
+	}
+
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+	list_for_each_entry_safe(rgn, next_rgn, &expired_list,
+				 list_expired_rgn) {
+		list_del_init(&rgn->list_expired_rgn);
+		spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+		ufshpb_update_inactive_info(hpb, rgn->rgn_idx);
+		spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+	}
+
+	ufshpb_kick_map_work(hpb);
+
+	clear_bit(TIMEOUT_WORK_RUNNING, &hpb->work_data_bits);
+
+	poll = hpb->params.timeout_polling_interval_ms;
+	schedule_delayed_work(&hpb->ufshpb_read_to_work,
+			      msecs_to_jiffies(poll));
+}
+
+static void ufshpb_add_lru_info(struct victim_select_info *lru_info,
+				struct ufshpb_region *rgn)
+{
+	rgn->rgn_state = HPB_RGN_ACTIVE;
+	list_add_tail(&rgn->list_lru_rgn, &lru_info->lh_lru_rgn);
+	atomic_inc(&lru_info->active_cnt);
+	if (rgn->hpb->is_hcm) {
+		rgn->read_timeout =
+			ktime_add_ms(ktime_get(),
+				     rgn->hpb->params.read_timeout_ms);
+		rgn->read_timeout_expiries =
+			rgn->hpb->params.read_timeout_expiries;
+	}
+}
+
+static void ufshpb_hit_lru_info(struct victim_select_info *lru_info,
+				struct ufshpb_region *rgn)
+{
+	list_move_tail(&rgn->list_lru_rgn, &lru_info->lh_lru_rgn);
+}
+
+static struct ufshpb_region *ufshpb_victim_lru_info(struct ufshpb_lu *hpb)
+{
+	struct victim_select_info *lru_info = &hpb->lru_info;
+	struct ufshpb_region *rgn, *victim_rgn = NULL;
+
+	list_for_each_entry(rgn, &lru_info->lh_lru_rgn, list_lru_rgn) {
+		if (!rgn) {
+			dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+				"%s: no region allocated\n",
+				__func__);
+			return NULL;
+		}
+		if (ufshpb_check_srgns_issue_state(hpb, rgn))
+			continue;
+
+		/*
+		 * in host control mode, verify that the exiting region
+		 * has less reads
+		 */
+		if (hpb->is_hcm &&
+		    rgn->reads > hpb->params.eviction_thld_exit)
+			continue;
+
+		victim_rgn = rgn;
+		break;
+	}
+
+	return victim_rgn;
+}
+
+static void ufshpb_cleanup_lru_info(struct victim_select_info *lru_info,
+				    struct ufshpb_region *rgn)
+{
+	list_del_init(&rgn->list_lru_rgn);
+	rgn->rgn_state = HPB_RGN_INACTIVE;
+	atomic_dec(&lru_info->active_cnt);
+}
+
+static void ufshpb_purge_active_subregion(struct ufshpb_lu *hpb,
+					  struct ufshpb_subregion *srgn)
+{
+	if (srgn->srgn_state != HPB_SRGN_UNUSED) {
+		ufshpb_put_map_ctx(hpb, srgn->mctx);
+		srgn->srgn_state = HPB_SRGN_UNUSED;
+		srgn->mctx = NULL;
+	}
+}
+
+static int ufshpb_issue_umap_req(struct ufshpb_lu *hpb,
+				 struct ufshpb_region *rgn,
+				 bool atomic)
+{
+	struct ufshpb_req *umap_req;
+	int rgn_idx = rgn ? rgn->rgn_idx : 0;
+
+	umap_req = ufshpb_get_req(hpb, rgn_idx, REQ_OP_SCSI_OUT, atomic);
+	if (!umap_req)
+		return -ENOMEM;
+
+	ufshpb_execute_umap_req(hpb, umap_req, rgn);
+
+	return 0;
+}
+
+static int ufshpb_issue_umap_single_req(struct ufshpb_lu *hpb,
+					struct ufshpb_region *rgn)
+{
+	return ufshpb_issue_umap_req(hpb, rgn, true);
+}
+
+static int ufshpb_issue_umap_all_req(struct ufshpb_lu *hpb)
+{
+	return ufshpb_issue_umap_req(hpb, NULL, false);
+}
+
+static void __ufshpb_evict_region(struct ufshpb_lu *hpb,
+				 struct ufshpb_region *rgn)
+{
+	struct victim_select_info *lru_info;
+	struct ufshpb_subregion *srgn;
+	int srgn_idx;
+
+	lru_info = &hpb->lru_info;
+
+	dev_dbg(&hpb->sdev_ufs_lu->sdev_dev, "evict region %d\n", rgn->rgn_idx);
+
+	ufshpb_cleanup_lru_info(lru_info, rgn);
+
+	for_each_sub_region(rgn, srgn_idx, srgn)
+		ufshpb_purge_active_subregion(hpb, srgn);
+}
+
+static int ufshpb_evict_region(struct ufshpb_lu *hpb, struct ufshpb_region *rgn)
+{
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+	if (rgn->rgn_state == HPB_RGN_PINNED) {
+		dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+			 "pinned region cannot drop-out. region %d\n",
+			 rgn->rgn_idx);
+		goto out;
+	}
+	if (!list_empty(&rgn->list_lru_rgn)) {
+		if (ufshpb_check_srgns_issue_state(hpb, rgn)) {
+			ret = -EBUSY;
+			goto out;
+		}
+
+		if (hpb->is_hcm) {
+			spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+			ret = ufshpb_issue_umap_single_req(hpb, rgn);
+			spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+			if (ret)
+				goto out;
+		}
+
+		__ufshpb_evict_region(hpb, rgn);
+	}
+out:
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+	return ret;
+}
+
+static int ufshpb_issue_map_req(struct ufshpb_lu *hpb,
+				struct ufshpb_region *rgn,
+				struct ufshpb_subregion *srgn)
+{
+	struct ufshpb_req *map_req;
+	unsigned long flags;
+	int ret;
+	int err = -EAGAIN;
+	bool alloc_required = false;
+	enum HPB_SRGN_STATE state = HPB_SRGN_INVALID;
+
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+
+	if (ufshpb_get_state(hpb) != HPB_PRESENT) {
+		dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+			   "%s: ufshpb state is not PRESENT\n", __func__);
+		goto unlock_out;
+	}
+
+	if ((rgn->rgn_state == HPB_RGN_INACTIVE) &&
+	    (srgn->srgn_state == HPB_SRGN_INVALID)) {
+		err = 0;
+		goto unlock_out;
+	}
+
+	if (srgn->srgn_state == HPB_SRGN_UNUSED)
+		alloc_required = true;
+
+	/*
+	 * If the subregion is already ISSUED state,
+	 * a specific event (e.g., GC or wear-leveling, etc.) occurs in
+	 * the device and HPB response for map loading is received.
+	 * In this case, after finishing the HPB_READ_BUFFER,
+	 * the next HPB_READ_BUFFER is performed again to obtain the latest
+	 * map data.
+	 */
+	if (srgn->srgn_state == HPB_SRGN_ISSUED)
+		goto unlock_out;
+
+	srgn->srgn_state = HPB_SRGN_ISSUED;
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+	if (alloc_required) {
+		srgn->mctx = ufshpb_get_map_ctx(hpb, srgn->is_last);
+		if (!srgn->mctx) {
+			dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			    "get map_ctx failed. region %d - %d\n",
+			    rgn->rgn_idx, srgn->srgn_idx);
+			state = HPB_SRGN_UNUSED;
+			goto change_srgn_state;
+		}
+	}
+
+	map_req = ufshpb_get_map_req(hpb, srgn);
+	if (!map_req)
+		goto change_srgn_state;
+
+
+	ret = ufshpb_execute_map_req(hpb, map_req, srgn->is_last);
+	if (ret) {
+		dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			   "%s: issue map_req failed: %d, region %d - %d\n",
+			   __func__, ret, srgn->rgn_idx, srgn->srgn_idx);
+		goto free_map_req;
+	}
+	return 0;
+
+free_map_req:
+	ufshpb_put_map_req(hpb, map_req);
+change_srgn_state:
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+	srgn->srgn_state = state;
+unlock_out:
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+	return err;
+}
+
+static int ufshpb_add_region(struct ufshpb_lu *hpb, struct ufshpb_region *rgn)
+{
+	struct ufshpb_region *victim_rgn = NULL;
+	struct victim_select_info *lru_info = &hpb->lru_info;
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+	/*
+	 * If region belongs to lru_list, just move the region
+	 * to the front of lru list. because the state of the region
+	 * is already active-state
+	 */
+	if (!list_empty(&rgn->list_lru_rgn)) {
+		ufshpb_hit_lru_info(lru_info, rgn);
+		goto out;
+	}
+
+	if (rgn->rgn_state == HPB_RGN_INACTIVE) {
+		if (atomic_read(&lru_info->active_cnt) ==
+		    lru_info->max_lru_active_cnt) {
+			/*
+			 * If the maximum number of active regions
+			 * is exceeded, evict the least recently used region.
+			 * This case may occur when the device responds
+			 * to the eviction information late.
+			 * It is okay to evict the least recently used region,
+			 * because the device could detect this region
+			 * by not issuing HPB_READ
+			 *
+			 * in host control mode, verify that the entering
+			 * region has enough reads
+			 */
+			if (hpb->is_hcm &&
+			    rgn->reads < hpb->params.eviction_thld_enter) {
+				ret = -EACCES;
+				goto out;
+			}
+
+			victim_rgn = ufshpb_victim_lru_info(hpb);
+			if (!victim_rgn) {
+				dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+				    "cannot get victim region error\n");
+				ret = -ENOMEM;
+				goto out;
+			}
+
+			dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+				"LRU full (%d), choose victim %d\n",
+				atomic_read(&lru_info->active_cnt),
+				victim_rgn->rgn_idx);
+
+			if (hpb->is_hcm) {
+				spin_unlock_irqrestore(&hpb->rgn_state_lock,
+						       flags);
+				ret = ufshpb_issue_umap_single_req(hpb,
+								victim_rgn);
+				spin_lock_irqsave(&hpb->rgn_state_lock,
+						  flags);
+				if (ret)
+					goto out;
+			}
+
+			__ufshpb_evict_region(hpb, victim_rgn);
+		}
+
+		/*
+		 * When a region is added to lru_info list_head,
+		 * it is guaranteed that the subregion has been
+		 * assigned all mctx. If failed, try to receive mctx again
+		 * without being added to lru_info list_head
+		 */
+		ufshpb_add_lru_info(lru_info, rgn);
+	}
+out:
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+	return ret;
+}
+
+static void ufshpb_rsp_req_region_update(struct ufshpb_lu *hpb,
+					 struct utp_hpb_rsp *rsp_field)
+{
+	struct ufshpb_region *rgn;
+	struct ufshpb_subregion *srgn;
+	int i, rgn_i, srgn_i;
+
+	BUILD_BUG_ON(sizeof(struct ufshpb_active_field) != HPB_ACT_FIELD_SIZE);
+	/*
+	 * If the active region and the inactive region are the same,
+	 * we will inactivate this region.
+	 * The device could check this (region inactivated) and
+	 * will response the proper active region information
+	 */
+	for (i = 0; i < rsp_field->active_rgn_cnt; i++) {
+		rgn_i =
+			be16_to_cpu(rsp_field->hpb_active_field[i].active_rgn);
+		srgn_i =
+			be16_to_cpu(rsp_field->hpb_active_field[i].active_srgn);
+
+		rgn = hpb->rgn_tbl + rgn_i;
+		if (hpb->is_hcm &&
+		    (rgn->rgn_state != HPB_RGN_ACTIVE || is_rgn_dirty(rgn))) {
+			/*
+			 * in host control mode, subregion activation
+			 * recommendations are only allowed to active regions.
+			 * Also, ignore recommendations for dirty regions - the
+			 * host will make decisions concerning those by himself
+			 */
+			continue;
+		}
+
+		dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+			"activate(%d) region %d - %d\n", i, rgn_i, srgn_i);
+
+		spin_lock(&hpb->rsp_list_lock);
+		ufshpb_update_active_info(hpb, rgn_i, srgn_i);
+		spin_unlock(&hpb->rsp_list_lock);
+
+		srgn = rgn->srgn_tbl + srgn_i;
+
+		/* blocking HPB_READ */
+		spin_lock(&hpb->rgn_state_lock);
+		if (srgn->srgn_state == HPB_SRGN_VALID)
+			srgn->srgn_state = HPB_SRGN_INVALID;
+		spin_unlock(&hpb->rgn_state_lock);
+	}
+
+	if (hpb->is_hcm) {
+		/*
+		 * in host control mode the device is not allowed to inactivate
+		 * regions
+		 */
+		goto out;
+	}
+
+	for (i = 0; i < rsp_field->inactive_rgn_cnt; i++) {
+		rgn_i = be16_to_cpu(rsp_field->hpb_inactive_field[i]);
+		dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+			"inactivate(%d) region %d\n", i, rgn_i);
+
+		spin_lock(&hpb->rsp_list_lock);
+		ufshpb_update_inactive_info(hpb, rgn_i);
+		spin_unlock(&hpb->rsp_list_lock);
+
+		rgn = hpb->rgn_tbl + rgn_i;
+
+		spin_lock(&hpb->rgn_state_lock);
+		if (rgn->rgn_state != HPB_RGN_INACTIVE) {
+			for (srgn_i = 0; srgn_i < rgn->srgn_cnt; srgn_i++) {
+				srgn = rgn->srgn_tbl + srgn_i;
+				if (srgn->srgn_state == HPB_SRGN_VALID)
+					srgn->srgn_state = HPB_SRGN_INVALID;
+			}
+		}
+		spin_unlock(&hpb->rgn_state_lock);
+	}
+
+out:
+	dev_dbg(&hpb->sdev_ufs_lu->sdev_dev, "Noti: #ACT %u #INACT %u\n",
+		rsp_field->active_rgn_cnt, rsp_field->inactive_rgn_cnt);
+
+	if (ufshpb_get_state(hpb) == HPB_PRESENT)
+		queue_work(ufshpb_wq, &hpb->map_work);
+}
+
+static void ufshpb_dev_reset_handler(struct ufshpb_lu *hpb)
+{
+	struct victim_select_info *lru_info = &hpb->lru_info;
+	struct ufshpb_region *rgn;
+	unsigned long flags;
+
+	spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+
+	list_for_each_entry(rgn, &lru_info->lh_lru_rgn, list_lru_rgn)
+		set_bit(RGN_FLAG_UPDATE, &rgn->rgn_flags);
+
+	spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+}
+
+
+/*
+ * This function will parse recommended active subregion information in sense
+ * data field of response UPIU with SAM_STAT_GOOD state.
+ */
+void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(lrbp->cmd->device);
+	struct utp_hpb_rsp *rsp_field = &lrbp->ucd_rsp_ptr->hr;
+	int data_seg_len;
+
+	if (unlikely(lrbp->lun != rsp_field->lun)) {
+		struct scsi_device *sdev;
+		bool found = false;
+
+		__shost_for_each_device(sdev, hba->host) {
+			hpb = ufshpb_get_hpb_data(sdev);
+
+			if (!hpb)
+				continue;
+
+			if (rsp_field->lun == hpb->lun) {
+				found = true;
+				break;
+			}
+		}
+
+		if (!found)
+			return;
+	}
+
+	if (!hpb)
+		return;
+
+	if (ufshpb_get_state(hpb) == HPB_INIT)
+		return;
+
+	if ((ufshpb_get_state(hpb) != HPB_PRESENT) &&
+	    (ufshpb_get_state(hpb) != HPB_SUSPEND)) {
+		dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+			   "%s: ufshpb state is not PRESENT/SUSPEND\n",
+			   __func__);
+		return;
+	}
+
+	data_seg_len = be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_2)
+		& MASK_RSP_UPIU_DATA_SEG_LEN;
+
+	/* To flush remained rsp_list, we queue the map_work task */
+	if (!data_seg_len) {
+		if (!ufshpb_is_general_lun(hpb->lun))
+			return;
+
+		ufshpb_kick_map_work(hpb);
+		return;
+	}
+
+	BUILD_BUG_ON(sizeof(struct utp_hpb_rsp) != UTP_HPB_RSP_SIZE);
+
+	if (!ufshpb_is_hpb_rsp_valid(hba, lrbp, rsp_field))
+		return;
+
+	hpb->stats.rb_noti_cnt++;
+
+	switch (rsp_field->hpb_op) {
+	case HPB_RSP_REQ_REGION_UPDATE:
+		if (data_seg_len != DEV_DATA_SEG_LEN)
+			dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+				 "%s: data seg length is not same.\n",
+				 __func__);
+		ufshpb_rsp_req_region_update(hpb, rsp_field);
+		break;
+	case HPB_RSP_DEV_RESET:
+		dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+			 "UFS device lost HPB information during PM.\n");
+
+		if (hpb->is_hcm) {
+			struct scsi_device *sdev;
+
+			__shost_for_each_device(sdev, hba->host) {
+				struct ufshpb_lu *h = sdev->hostdata;
+
+				if (h)
+					ufshpb_dev_reset_handler(h);
+			}
+		}
+
+		break;
+	default:
+		dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+			   "hpb_op is not available: %d\n",
+			   rsp_field->hpb_op);
+		break;
+	}
+}
+
+static void ufshpb_add_active_list(struct ufshpb_lu *hpb,
+				   struct ufshpb_region *rgn,
+				   struct ufshpb_subregion *srgn)
+{
+	if (!list_empty(&rgn->list_inact_rgn))
+		return;
+
+	if (!list_empty(&srgn->list_act_srgn)) {
+		list_move(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+		return;
+	}
+
+	list_add(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+}
+
+static void ufshpb_add_pending_evict_list(struct ufshpb_lu *hpb,
+					  struct ufshpb_region *rgn,
+					  struct list_head *pending_list)
+{
+	struct ufshpb_subregion *srgn;
+	int srgn_idx;
+
+	if (!list_empty(&rgn->list_inact_rgn))
+		return;
+
+	for_each_sub_region(rgn, srgn_idx, srgn)
+		if (!list_empty(&srgn->list_act_srgn))
+			return;
+
+	list_add_tail(&rgn->list_inact_rgn, pending_list);
+}
+
+static void ufshpb_run_active_subregion_list(struct ufshpb_lu *hpb)
+{
+	struct ufshpb_region *rgn;
+	struct ufshpb_subregion *srgn;
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+	while ((srgn = list_first_entry_or_null(&hpb->lh_act_srgn,
+						struct ufshpb_subregion,
+						list_act_srgn))) {
+		if (ufshpb_get_state(hpb) == HPB_SUSPEND)
+			break;
+
+		list_del_init(&srgn->list_act_srgn);
+		spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+
+		rgn = hpb->rgn_tbl + srgn->rgn_idx;
+		ret = ufshpb_add_region(hpb, rgn);
+		if (ret)
+			goto active_failed;
+
+		ret = ufshpb_issue_map_req(hpb, rgn, srgn);
+		if (ret) {
+			dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+			    "issue map_req failed. ret %d, region %d - %d\n",
+			    ret, rgn->rgn_idx, srgn->srgn_idx);
+			goto active_failed;
+		}
+		spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+	}
+	spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+	return;
+
+active_failed:
+	dev_err(&hpb->sdev_ufs_lu->sdev_dev, "failed to activate region %d - %d, will retry\n",
+		   rgn->rgn_idx, srgn->srgn_idx);
+	spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+	ufshpb_add_active_list(hpb, rgn, srgn);
+	spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+}
+
+static void ufshpb_run_inactive_region_list(struct ufshpb_lu *hpb)
+{
+	struct ufshpb_region *rgn;
+	unsigned long flags;
+	int ret;
+	LIST_HEAD(pending_list);
+
+	spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+	while ((rgn = list_first_entry_or_null(&hpb->lh_inact_rgn,
+					       struct ufshpb_region,
+					       list_inact_rgn))) {
+		if (ufshpb_get_state(hpb) == HPB_SUSPEND)
+			break;
+
+		list_del_init(&rgn->list_inact_rgn);
+		spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+
+		ret = ufshpb_evict_region(hpb, rgn);
+		if (ret) {
+			spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+			ufshpb_add_pending_evict_list(hpb, rgn, &pending_list);
+			spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+		}
+
+		spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+	}
+
+	list_splice(&pending_list, &hpb->lh_inact_rgn);
+	spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+}
+
+static void ufshpb_normalization_work_handler(struct work_struct *work)
+{
+	struct ufshpb_lu *hpb = container_of(work, struct ufshpb_lu,
+					     ufshpb_normalization_work);
+	int rgn_idx;
+	u8 factor = hpb->params.normalization_factor;
+
+	for (rgn_idx = 0; rgn_idx < hpb->rgns_per_lu; rgn_idx++) {
+		struct ufshpb_region *rgn = hpb->rgn_tbl + rgn_idx;
+		int srgn_idx;
+
+		spin_lock(&rgn->rgn_lock);
+		rgn->reads = 0;
+		for (srgn_idx = 0; srgn_idx < hpb->srgns_per_rgn; srgn_idx++) {
+			struct ufshpb_subregion *srgn = rgn->srgn_tbl + srgn_idx;
+
+			srgn->reads >>= factor;
+			rgn->reads += srgn->reads;
+		}
+		spin_unlock(&rgn->rgn_lock);
+
+		if (rgn->rgn_state != HPB_RGN_ACTIVE || rgn->reads)
+			continue;
+
+		/* if region is active but has no reads - inactivate it */
+		spin_lock(&hpb->rsp_list_lock);
+		ufshpb_update_inactive_info(hpb, rgn->rgn_idx);
+		spin_unlock(&hpb->rsp_list_lock);
+	}
+}
+
+static void ufshpb_map_work_handler(struct work_struct *work)
+{
+	struct ufshpb_lu *hpb = container_of(work, struct ufshpb_lu, map_work);
+
+	if (ufshpb_get_state(hpb) != HPB_PRESENT) {
+		dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+			   "%s: ufshpb state is not PRESENT\n", __func__);
+		return;
+	}
+
+	ufshpb_run_inactive_region_list(hpb);
+	ufshpb_run_active_subregion_list(hpb);
+}
+
+/*
+ * this function doesn't need to hold lock due to be called in init.
+ * (rgn_state_lock, rsp_list_lock, etc..)
+ */
+static int ufshpb_init_pinned_active_region(struct ufs_hba *hba,
+					    struct ufshpb_lu *hpb,
+					    struct ufshpb_region *rgn)
+{
+	struct ufshpb_subregion *srgn;
+	int srgn_idx, i;
+	int err = 0;
+
+	for_each_sub_region(rgn, srgn_idx, srgn) {
+		srgn->mctx = ufshpb_get_map_ctx(hpb, srgn->is_last);
+		srgn->srgn_state = HPB_SRGN_INVALID;
+		if (!srgn->mctx) {
+			err = -ENOMEM;
+			dev_err(hba->dev,
+				"alloc mctx for pinned region failed\n");
+			goto release;
+		}
+
+		list_add_tail(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+	}
+
+	rgn->rgn_state = HPB_RGN_PINNED;
+	return 0;
+
+release:
+	for (i = 0; i < srgn_idx; i++) {
+		srgn = rgn->srgn_tbl + i;
+		ufshpb_put_map_ctx(hpb, srgn->mctx);
+	}
+	return err;
+}
+
+static void ufshpb_init_subregion_tbl(struct ufshpb_lu *hpb,
+				      struct ufshpb_region *rgn, bool last)
+{
+	int srgn_idx;
+	struct ufshpb_subregion *srgn;
+
+	for_each_sub_region(rgn, srgn_idx, srgn) {
+		INIT_LIST_HEAD(&srgn->list_act_srgn);
+
+		srgn->rgn_idx = rgn->rgn_idx;
+		srgn->srgn_idx = srgn_idx;
+		srgn->srgn_state = HPB_SRGN_UNUSED;
+	}
+
+	if (unlikely(last && hpb->last_srgn_entries))
+		srgn->is_last = true;
+}
+
+static int ufshpb_alloc_subregion_tbl(struct ufshpb_lu *hpb,
+				      struct ufshpb_region *rgn, int srgn_cnt)
+{
+	rgn->srgn_tbl = kvcalloc(srgn_cnt, sizeof(struct ufshpb_subregion),
+				 GFP_KERNEL);
+	if (!rgn->srgn_tbl)
+		return -ENOMEM;
+
+	rgn->srgn_cnt = srgn_cnt;
+	return 0;
+}
+
+static void ufshpb_lu_parameter_init(struct ufs_hba *hba,
+				     struct ufshpb_lu *hpb,
+				     struct ufshpb_dev_info *hpb_dev_info,
+				     struct ufshpb_lu_info *hpb_lu_info)
+{
+	u32 entries_per_rgn;
+	u64 rgn_mem_size, tmp;
+
+	if (ufshpb_is_legacy(hba))
+		hpb->pre_req_max_tr_len = HPB_LEGACY_CHUNK_HIGH;
+	else
+		hpb->pre_req_max_tr_len = hpb_dev_info->max_hpb_single_cmd;
+
+
+	hpb->lu_pinned_start = hpb_lu_info->pinned_start;
+	hpb->lu_pinned_end = hpb_lu_info->num_pinned ?
+		(hpb_lu_info->pinned_start + hpb_lu_info->num_pinned - 1)
+		: PINNED_NOT_SET;
+	hpb->lru_info.max_lru_active_cnt =
+		hpb_lu_info->max_active_rgns - hpb_lu_info->num_pinned;
+
+	rgn_mem_size = (1ULL << hpb_dev_info->rgn_size) * HPB_RGN_SIZE_UNIT
+			* HPB_ENTRY_SIZE;
+	do_div(rgn_mem_size, HPB_ENTRY_BLOCK_SIZE);
+	hpb->srgn_mem_size = (1ULL << hpb_dev_info->srgn_size)
+		* HPB_RGN_SIZE_UNIT / HPB_ENTRY_BLOCK_SIZE * HPB_ENTRY_SIZE;
+
+	tmp = rgn_mem_size;
+	do_div(tmp, HPB_ENTRY_SIZE);
+	entries_per_rgn = (u32)tmp;
+	hpb->entries_per_rgn_shift = ilog2(entries_per_rgn);
+	hpb->entries_per_rgn_mask = entries_per_rgn - 1;
+
+	hpb->entries_per_srgn = hpb->srgn_mem_size / HPB_ENTRY_SIZE;
+	hpb->entries_per_srgn_shift = ilog2(hpb->entries_per_srgn);
+	hpb->entries_per_srgn_mask = hpb->entries_per_srgn - 1;
+
+	tmp = rgn_mem_size;
+	do_div(tmp, hpb->srgn_mem_size);
+	hpb->srgns_per_rgn = (int)tmp;
+
+	hpb->rgns_per_lu = DIV_ROUND_UP(hpb_lu_info->num_blocks,
+				entries_per_rgn);
+	hpb->srgns_per_lu = DIV_ROUND_UP(hpb_lu_info->num_blocks,
+				(hpb->srgn_mem_size / HPB_ENTRY_SIZE));
+	hpb->last_srgn_entries = hpb_lu_info->num_blocks
+				 % (hpb->srgn_mem_size / HPB_ENTRY_SIZE);
+
+	hpb->pages_per_srgn = DIV_ROUND_UP(hpb->srgn_mem_size, PAGE_SIZE);
+
+	if (hpb_dev_info->control_mode == HPB_HOST_CONTROL)
+		hpb->is_hcm = true;
+}
+
+static int ufshpb_alloc_region_tbl(struct ufs_hba *hba, struct ufshpb_lu *hpb)
+{
+	struct ufshpb_region *rgn_table, *rgn;
+	int rgn_idx, i;
+	int ret = 0;
+
+	rgn_table = kvcalloc(hpb->rgns_per_lu, sizeof(struct ufshpb_region),
+			    GFP_KERNEL);
+	if (!rgn_table)
+		return -ENOMEM;
+
+	hpb->rgn_tbl = rgn_table;
+
+	for (rgn_idx = 0; rgn_idx < hpb->rgns_per_lu; rgn_idx++) {
+		int srgn_cnt = hpb->srgns_per_rgn;
+		bool last_srgn = false;
+
+		rgn = rgn_table + rgn_idx;
+		rgn->rgn_idx = rgn_idx;
+
+		spin_lock_init(&rgn->rgn_lock);
+
+		INIT_LIST_HEAD(&rgn->list_inact_rgn);
+		INIT_LIST_HEAD(&rgn->list_lru_rgn);
+		INIT_LIST_HEAD(&rgn->list_expired_rgn);
+
+		if (rgn_idx == hpb->rgns_per_lu - 1) {
+			srgn_cnt = ((hpb->srgns_per_lu - 1) %
+				    hpb->srgns_per_rgn) + 1;
+			last_srgn = true;
+		}
+
+		ret = ufshpb_alloc_subregion_tbl(hpb, rgn, srgn_cnt);
+		if (ret)
+			goto release_srgn_table;
+		ufshpb_init_subregion_tbl(hpb, rgn, last_srgn);
+
+		if (ufshpb_is_pinned_region(hpb, rgn_idx)) {
+			ret = ufshpb_init_pinned_active_region(hba, hpb, rgn);
+			if (ret)
+				goto release_srgn_table;
+		} else {
+			rgn->rgn_state = HPB_RGN_INACTIVE;
+		}
+
+		rgn->rgn_flags = 0;
+		rgn->hpb = hpb;
+	}
+
+	return 0;
+
+release_srgn_table:
+	for (i = 0; i < rgn_idx; i++) {
+		rgn = rgn_table + i;
+		kvfree(rgn->srgn_tbl);
+	}
+	kvfree(rgn_table);
+	return ret;
+}
+
+static void ufshpb_destroy_subregion_tbl(struct ufshpb_lu *hpb,
+					 struct ufshpb_region *rgn)
+{
+	int srgn_idx;
+	struct ufshpb_subregion *srgn;
+
+	for_each_sub_region(rgn, srgn_idx, srgn)
+		if (srgn->srgn_state != HPB_SRGN_UNUSED) {
+			srgn->srgn_state = HPB_SRGN_UNUSED;
+			ufshpb_put_map_ctx(hpb, srgn->mctx);
+		}
+}
+
+static void ufshpb_destroy_region_tbl(struct ufshpb_lu *hpb)
+{
+	int rgn_idx;
+
+	for (rgn_idx = 0; rgn_idx < hpb->rgns_per_lu; rgn_idx++) {
+		struct ufshpb_region *rgn;
+
+		rgn = hpb->rgn_tbl + rgn_idx;
+		if (rgn->rgn_state != HPB_RGN_INACTIVE) {
+			rgn->rgn_state = HPB_RGN_INACTIVE;
+
+			ufshpb_destroy_subregion_tbl(hpb, rgn);
+		}
+
+		kvfree(rgn->srgn_tbl);
+	}
+
+	kvfree(hpb->rgn_tbl);
+}
+
+/* SYSFS functions */
+#define ufshpb_sysfs_attr_show_func(__name)				\
+static ssize_t __name##_show(struct device *dev,			\
+	struct device_attribute *attr, char *buf)			\
+{									\
+	struct scsi_device *sdev = to_scsi_device(dev);			\
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);		\
+									\
+	if (!hpb)							\
+		return -ENODEV;						\
+									\
+	return sysfs_emit(buf, "%llu\n", hpb->stats.__name);		\
+}									\
+\
+static DEVICE_ATTR_RO(__name)
+
+ufshpb_sysfs_attr_show_func(hit_cnt);
+ufshpb_sysfs_attr_show_func(miss_cnt);
+ufshpb_sysfs_attr_show_func(rb_noti_cnt);
+ufshpb_sysfs_attr_show_func(rb_active_cnt);
+ufshpb_sysfs_attr_show_func(rb_inactive_cnt);
+ufshpb_sysfs_attr_show_func(map_req_cnt);
+ufshpb_sysfs_attr_show_func(umap_req_cnt);
+
+static struct attribute *hpb_dev_stat_attrs[] = {
+	&dev_attr_hit_cnt.attr,
+	&dev_attr_miss_cnt.attr,
+	&dev_attr_rb_noti_cnt.attr,
+	&dev_attr_rb_active_cnt.attr,
+	&dev_attr_rb_inactive_cnt.attr,
+	&dev_attr_map_req_cnt.attr,
+	&dev_attr_umap_req_cnt.attr,
+	NULL,
+};
+
+struct attribute_group ufs_sysfs_hpb_stat_group = {
+	.name = "hpb_stats",
+	.attrs = hpb_dev_stat_attrs,
+};
+
+/* SYSFS functions */
+#define ufshpb_sysfs_param_show_func(__name)				\
+static ssize_t __name##_show(struct device *dev,			\
+	struct device_attribute *attr, char *buf)			\
+{									\
+	struct scsi_device *sdev = to_scsi_device(dev);			\
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);		\
+									\
+	if (!hpb)							\
+		return -ENODEV;						\
+									\
+	return sysfs_emit(buf, "%d\n", hpb->params.__name);		\
+}
+
+ufshpb_sysfs_param_show_func(requeue_timeout_ms);
+static ssize_t
+requeue_timeout_ms_store(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	if (val < 0)
+		return -EINVAL;
+
+	hpb->params.requeue_timeout_ms = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(requeue_timeout_ms);
+
+ufshpb_sysfs_param_show_func(activation_thld);
+static ssize_t
+activation_thld_store(struct device *dev, struct device_attribute *attr,
+		      const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	if (val <= 0)
+		return -EINVAL;
+
+	hpb->params.activation_thld = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(activation_thld);
+
+ufshpb_sysfs_param_show_func(normalization_factor);
+static ssize_t
+normalization_factor_store(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	if (val <= 0 || val > ilog2(hpb->entries_per_srgn))
+		return -EINVAL;
+
+	hpb->params.normalization_factor = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(normalization_factor);
+
+ufshpb_sysfs_param_show_func(eviction_thld_enter);
+static ssize_t
+eviction_thld_enter_store(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	if (val <= hpb->params.eviction_thld_exit)
+		return -EINVAL;
+
+	hpb->params.eviction_thld_enter = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(eviction_thld_enter);
+
+ufshpb_sysfs_param_show_func(eviction_thld_exit);
+static ssize_t
+eviction_thld_exit_store(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	if (val <= hpb->params.activation_thld)
+		return -EINVAL;
+
+	hpb->params.eviction_thld_exit = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(eviction_thld_exit);
+
+ufshpb_sysfs_param_show_func(read_timeout_ms);
+static ssize_t
+read_timeout_ms_store(struct device *dev, struct device_attribute *attr,
+		      const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	/* read_timeout >> timeout_polling_interval */
+	if (val < hpb->params.timeout_polling_interval_ms * 2)
+		return -EINVAL;
+
+	hpb->params.read_timeout_ms = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(read_timeout_ms);
+
+ufshpb_sysfs_param_show_func(read_timeout_expiries);
+static ssize_t
+read_timeout_expiries_store(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	if (val <= 0)
+		return -EINVAL;
+
+	hpb->params.read_timeout_expiries = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(read_timeout_expiries);
+
+ufshpb_sysfs_param_show_func(timeout_polling_interval_ms);
+static ssize_t
+timeout_polling_interval_ms_store(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	/* timeout_polling_interval << read_timeout */
+	if (val <= 0 || val > hpb->params.read_timeout_ms / 2)
+		return -EINVAL;
+
+	hpb->params.timeout_polling_interval_ms = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(timeout_polling_interval_ms);
+
+ufshpb_sysfs_param_show_func(inflight_map_req);
+static ssize_t inflight_map_req_store(struct device *dev,
+				      struct device_attribute *attr,
+				      const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+	int val;
+
+	if (!hpb)
+		return -ENODEV;
+
+	if (!hpb->is_hcm)
+		return -EOPNOTSUPP;
+
+	if (kstrtouint(buf, 0, &val))
+		return -EINVAL;
+
+	if (val <= 0 || val > hpb->sdev_ufs_lu->queue_depth - 1)
+		return -EINVAL;
+
+	hpb->params.inflight_map_req = val;
+
+	return count;
+}
+static DEVICE_ATTR_RW(inflight_map_req);
+
+
+static void ufshpb_hcm_param_init(struct ufshpb_lu *hpb)
+{
+	hpb->params.activation_thld = ACTIVATION_THRESHOLD;
+	hpb->params.normalization_factor = 1;
+	hpb->params.eviction_thld_enter = (ACTIVATION_THRESHOLD << 5);
+	hpb->params.eviction_thld_exit = (ACTIVATION_THRESHOLD << 4);
+	hpb->params.read_timeout_ms = READ_TO_MS;
+	hpb->params.read_timeout_expiries = READ_TO_EXPIRIES;
+	hpb->params.timeout_polling_interval_ms = POLLING_INTERVAL_MS;
+	hpb->params.inflight_map_req = THROTTLE_MAP_REQ_DEFAULT;
+}
+
+static struct attribute *hpb_dev_param_attrs[] = {
+	&dev_attr_requeue_timeout_ms.attr,
+	&dev_attr_activation_thld.attr,
+	&dev_attr_normalization_factor.attr,
+	&dev_attr_eviction_thld_enter.attr,
+	&dev_attr_eviction_thld_exit.attr,
+	&dev_attr_read_timeout_ms.attr,
+	&dev_attr_read_timeout_expiries.attr,
+	&dev_attr_timeout_polling_interval_ms.attr,
+	&dev_attr_inflight_map_req.attr,
+	NULL,
+};
+
+struct attribute_group ufs_sysfs_hpb_param_group = {
+	.name = "hpb_params",
+	.attrs = hpb_dev_param_attrs,
+};
+
+static int ufshpb_pre_req_mempool_init(struct ufshpb_lu *hpb)
+{
+	struct ufshpb_req *pre_req = NULL, *t;
+	int qd = hpb->sdev_ufs_lu->queue_depth / 2;
+	int i;
+
+	INIT_LIST_HEAD(&hpb->lh_pre_req_free);
+
+	hpb->pre_req = kcalloc(qd, sizeof(struct ufshpb_req), GFP_KERNEL);
+	hpb->throttle_pre_req = qd;
+	hpb->num_inflight_pre_req = 0;
+
+	if (!hpb->pre_req)
+		goto release_mem;
+
+	for (i = 0; i < qd; i++) {
+		pre_req = hpb->pre_req + i;
+		INIT_LIST_HEAD(&pre_req->list_req);
+		pre_req->req = NULL;
+
+		pre_req->bio = bio_alloc(GFP_KERNEL, 1);
+		if (!pre_req->bio)
+			goto release_mem;
+
+		pre_req->wb.m_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+		if (!pre_req->wb.m_page) {
+			bio_put(pre_req->bio);
+			goto release_mem;
+		}
+
+		list_add_tail(&pre_req->list_req, &hpb->lh_pre_req_free);
+	}
+
+	return 0;
+release_mem:
+	list_for_each_entry_safe(pre_req, t, &hpb->lh_pre_req_free, list_req) {
+		list_del_init(&pre_req->list_req);
+		bio_put(pre_req->bio);
+		__free_page(pre_req->wb.m_page);
+	}
+
+	kfree(hpb->pre_req);
+	return -ENOMEM;
+}
+
+static void ufshpb_pre_req_mempool_destroy(struct ufshpb_lu *hpb)
+{
+	struct ufshpb_req *pre_req = NULL;
+	int i;
+
+	for (i = 0; i < hpb->throttle_pre_req; i++) {
+		pre_req = hpb->pre_req + i;
+		bio_put(hpb->pre_req[i].bio);
+		if (!pre_req->wb.m_page)
+			__free_page(hpb->pre_req[i].wb.m_page);
+		list_del_init(&pre_req->list_req);
+	}
+
+	kfree(hpb->pre_req);
+}
+
+static void ufshpb_stat_init(struct ufshpb_lu *hpb)
+{
+	hpb->stats.hit_cnt = 0;
+	hpb->stats.miss_cnt = 0;
+	hpb->stats.rb_noti_cnt = 0;
+	hpb->stats.rb_active_cnt = 0;
+	hpb->stats.rb_inactive_cnt = 0;
+	hpb->stats.map_req_cnt = 0;
+	hpb->stats.umap_req_cnt = 0;
+}
+
+static void ufshpb_param_init(struct ufshpb_lu *hpb)
+{
+	hpb->params.requeue_timeout_ms = HPB_REQUEUE_TIME_MS;
+	if (hpb->is_hcm)
+		ufshpb_hcm_param_init(hpb);
+}
+
+static int ufshpb_lu_hpb_init(struct ufs_hba *hba, struct ufshpb_lu *hpb)
+{
+	int ret;
+
+	spin_lock_init(&hpb->rgn_state_lock);
+	spin_lock_init(&hpb->rsp_list_lock);
+
+	INIT_LIST_HEAD(&hpb->lru_info.lh_lru_rgn);
+	INIT_LIST_HEAD(&hpb->lh_act_srgn);
+	INIT_LIST_HEAD(&hpb->lh_inact_rgn);
+	INIT_LIST_HEAD(&hpb->list_hpb_lu);
+
+	INIT_WORK(&hpb->map_work, ufshpb_map_work_handler);
+	if (hpb->is_hcm) {
+		INIT_WORK(&hpb->ufshpb_normalization_work,
+			  ufshpb_normalization_work_handler);
+		INIT_DELAYED_WORK(&hpb->ufshpb_read_to_work,
+				  ufshpb_read_to_handler);
+	}
+
+	hpb->map_req_cache = kmem_cache_create("ufshpb_req_cache",
+			  sizeof(struct ufshpb_req), 0, 0, NULL);
+	if (!hpb->map_req_cache) {
+		dev_err(hba->dev, "ufshpb(%d) ufshpb_req_cache create fail",
+			hpb->lun);
+		return -ENOMEM;
+	}
+
+	hpb->m_page_cache = kmem_cache_create("ufshpb_m_page_cache",
+			  sizeof(struct page *) * hpb->pages_per_srgn,
+			  0, 0, NULL);
+	if (!hpb->m_page_cache) {
+		dev_err(hba->dev, "ufshpb(%d) ufshpb_m_page_cache create fail",
+			hpb->lun);
+		ret = -ENOMEM;
+		goto release_req_cache;
+	}
+
+	ret = ufshpb_pre_req_mempool_init(hpb);
+	if (ret) {
+		dev_err(hba->dev, "ufshpb(%d) pre_req_mempool init fail",
+			hpb->lun);
+		goto release_m_page_cache;
+	}
+
+	ret = ufshpb_alloc_region_tbl(hba, hpb);
+	if (ret)
+		goto release_pre_req_mempool;
+
+	ufshpb_stat_init(hpb);
+	ufshpb_param_init(hpb);
+
+	if (hpb->is_hcm) {
+		unsigned int poll;
+
+		poll = hpb->params.timeout_polling_interval_ms;
+		schedule_delayed_work(&hpb->ufshpb_read_to_work,
+				      msecs_to_jiffies(poll));
+	}
+
+	return 0;
+
+release_pre_req_mempool:
+	ufshpb_pre_req_mempool_destroy(hpb);
+release_m_page_cache:
+	kmem_cache_destroy(hpb->m_page_cache);
+release_req_cache:
+	kmem_cache_destroy(hpb->map_req_cache);
+	return ret;
+}
+
+static struct ufshpb_lu *
+ufshpb_alloc_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev,
+		    struct ufshpb_dev_info *hpb_dev_info,
+		    struct ufshpb_lu_info *hpb_lu_info)
+{
+	struct ufshpb_lu *hpb;
+	int ret;
+
+	hpb = kzalloc(sizeof(struct ufshpb_lu), GFP_KERNEL);
+	if (!hpb)
+		return NULL;
+
+	hpb->lun = sdev->lun;
+	hpb->sdev_ufs_lu = sdev;
+
+	ufshpb_lu_parameter_init(hba, hpb, hpb_dev_info, hpb_lu_info);
+
+	ret = ufshpb_lu_hpb_init(hba, hpb);
+	if (ret) {
+		dev_err(hba->dev, "hpb lu init failed. ret %d", ret);
+		goto release_hpb;
+	}
+
+	sdev->hostdata = hpb;
+	return hpb;
+
+release_hpb:
+	kfree(hpb);
+	return NULL;
+}
+
+static void ufshpb_discard_rsp_lists(struct ufshpb_lu *hpb)
+{
+	struct ufshpb_region *rgn, *next_rgn;
+	struct ufshpb_subregion *srgn, *next_srgn;
+	unsigned long flags;
+
+	/*
+	 * If the device reset occurred, the remained HPB region information
+	 * may be stale. Therefore, by dicarding the lists of HPB response
+	 * that remained after reset, it prevents unnecessary work.
+	 */
+	spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+	list_for_each_entry_safe(rgn, next_rgn, &hpb->lh_inact_rgn,
+				 list_inact_rgn)
+		list_del_init(&rgn->list_inact_rgn);
+
+	list_for_each_entry_safe(srgn, next_srgn, &hpb->lh_act_srgn,
+				 list_act_srgn)
+		list_del_init(&srgn->list_act_srgn);
+	spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+}
+
+static void ufshpb_cancel_jobs(struct ufshpb_lu *hpb)
+{
+	if (hpb->is_hcm) {
+		cancel_delayed_work_sync(&hpb->ufshpb_read_to_work);
+		cancel_work_sync(&hpb->ufshpb_normalization_work);
+	}
+	cancel_work_sync(&hpb->map_work);
+}
+
+static bool ufshpb_check_hpb_reset_query(struct ufs_hba *hba)
+{
+	int err = 0;
+	bool flag_res = true;
+	int try;
+
+	/* wait for the device to complete HPB reset query */
+	for (try = 0; try < HPB_RESET_REQ_RETRIES; try++) {
+		dev_dbg(hba->dev,
+			"%s start flag reset polling %d times\n",
+			__func__, try);
+
+		/* Poll fHpbReset flag to be cleared */
+		err = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG,
+				QUERY_FLAG_IDN_HPB_RESET, 0, &flag_res);
+
+		if (err) {
+			dev_err(hba->dev,
+				"%s reading fHpbReset flag failed with error %d\n",
+				__func__, err);
+			return flag_res;
+		}
+
+		if (!flag_res)
+			goto out;
+
+		usleep_range(1000, 1100);
+	}
+	if (flag_res) {
+		dev_err(hba->dev,
+			"%s fHpbReset was not cleared by the device\n",
+			__func__);
+	}
+out:
+	return flag_res;
+}
+
+void ufshpb_reset(struct ufs_hba *hba)
+{
+	struct ufshpb_lu *hpb;
+	struct scsi_device *sdev;
+
+	shost_for_each_device(sdev, hba->host) {
+		hpb = ufshpb_get_hpb_data(sdev);
+		if (!hpb)
+			continue;
+
+		if (ufshpb_get_state(hpb) != HPB_RESET)
+			continue;
+
+		ufshpb_set_state(hpb, HPB_PRESENT);
+	}
+}
+
+void ufshpb_reset_host(struct ufs_hba *hba)
+{
+	struct ufshpb_lu *hpb;
+	struct scsi_device *sdev;
+
+	shost_for_each_device(sdev, hba->host) {
+		hpb = ufshpb_get_hpb_data(sdev);
+		if (!hpb)
+			continue;
+
+		if (ufshpb_get_state(hpb) != HPB_PRESENT)
+			continue;
+		ufshpb_set_state(hpb, HPB_RESET);
+		ufshpb_cancel_jobs(hpb);
+		ufshpb_discard_rsp_lists(hpb);
+	}
+}
+
+void ufshpb_suspend(struct ufs_hba *hba)
+{
+	struct ufshpb_lu *hpb;
+	struct scsi_device *sdev;
+
+	shost_for_each_device(sdev, hba->host) {
+		hpb = ufshpb_get_hpb_data(sdev);
+		if (!hpb)
+			continue;
+
+		if (ufshpb_get_state(hpb) != HPB_PRESENT)
+			continue;
+		ufshpb_set_state(hpb, HPB_SUSPEND);
+		ufshpb_cancel_jobs(hpb);
+	}
+}
+
+void ufshpb_resume(struct ufs_hba *hba)
+{
+	struct ufshpb_lu *hpb;
+	struct scsi_device *sdev;
+
+	shost_for_each_device(sdev, hba->host) {
+		hpb = ufshpb_get_hpb_data(sdev);
+		if (!hpb)
+			continue;
+
+		if ((ufshpb_get_state(hpb) != HPB_PRESENT) &&
+		    (ufshpb_get_state(hpb) != HPB_SUSPEND))
+			continue;
+		ufshpb_set_state(hpb, HPB_PRESENT);
+		ufshpb_kick_map_work(hpb);
+		if (hpb->is_hcm) {
+			unsigned int poll =
+				hpb->params.timeout_polling_interval_ms;
+
+			schedule_delayed_work(&hpb->ufshpb_read_to_work,
+				msecs_to_jiffies(poll));
+		}
+	}
+}
+
+static int ufshpb_get_lu_info(struct ufs_hba *hba, int lun,
+			      struct ufshpb_lu_info *hpb_lu_info)
+{
+	u16 max_active_rgns;
+	u8 lu_enable;
+	int size;
+	int ret;
+	char desc_buf[QUERY_DESC_MAX_SIZE];
+
+	ufshcd_map_desc_id_to_length(hba, QUERY_DESC_IDN_UNIT, &size);
+
+	pm_runtime_get_sync(hba->dev);
+	ret = ufshcd_query_descriptor_retry(hba, UPIU_QUERY_OPCODE_READ_DESC,
+					    QUERY_DESC_IDN_UNIT, lun, 0,
+					    desc_buf, &size);
+	pm_runtime_put_sync(hba->dev);
+
+	if (ret) {
+		dev_err(hba->dev,
+			"%s: idn: %d lun: %d  query request failed",
+			__func__, QUERY_DESC_IDN_UNIT, lun);
+		return ret;
+	}
+
+	lu_enable = desc_buf[UNIT_DESC_PARAM_LU_ENABLE];
+	if (lu_enable != LU_ENABLED_HPB_FUNC)
+		return -ENODEV;
+
+	max_active_rgns = get_unaligned_be16(
+			desc_buf + UNIT_DESC_PARAM_HPB_LU_MAX_ACTIVE_RGNS);
+	if (!max_active_rgns) {
+		dev_err(hba->dev,
+			"lun %d wrong number of max active regions\n", lun);
+		return -ENODEV;
+	}
+
+	hpb_lu_info->num_blocks = get_unaligned_be64(
+			desc_buf + UNIT_DESC_PARAM_LOGICAL_BLK_COUNT);
+	hpb_lu_info->pinned_start = get_unaligned_be16(
+			desc_buf + UNIT_DESC_PARAM_HPB_PIN_RGN_START_OFF);
+	hpb_lu_info->num_pinned = get_unaligned_be16(
+			desc_buf + UNIT_DESC_PARAM_HPB_NUM_PIN_RGNS);
+	hpb_lu_info->max_active_rgns = max_active_rgns;
+
+	return 0;
+}
+
+void ufshpb_destroy_lu(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+	struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+
+	if (!hpb)
+		return;
+
+	ufshpb_set_state(hpb, HPB_FAILED);
+
+	sdev = hpb->sdev_ufs_lu;
+	sdev->hostdata = NULL;
+
+	ufshpb_cancel_jobs(hpb);
+
+	ufshpb_pre_req_mempool_destroy(hpb);
+	ufshpb_destroy_region_tbl(hpb);
+
+	kmem_cache_destroy(hpb->map_req_cache);
+	kmem_cache_destroy(hpb->m_page_cache);
+
+	list_del_init(&hpb->list_hpb_lu);
+
+	kfree(hpb);
+}
+
+static void ufshpb_hpb_lu_prepared(struct ufs_hba *hba)
+{
+	int pool_size;
+	struct ufshpb_lu *hpb;
+	struct scsi_device *sdev;
+	bool init_success;
+
+	if (tot_active_srgn_pages == 0) {
+		ufshpb_remove(hba);
+		return;
+	}
+
+	init_success = !ufshpb_check_hpb_reset_query(hba);
+
+	pool_size = PAGE_ALIGN(ufshpb_host_map_kbytes * 1024) / PAGE_SIZE;
+	if (pool_size > tot_active_srgn_pages) {
+		mempool_resize(ufshpb_mctx_pool, tot_active_srgn_pages);
+		mempool_resize(ufshpb_page_pool, tot_active_srgn_pages);
+	}
+
+	shost_for_each_device(sdev, hba->host) {
+		hpb = ufshpb_get_hpb_data(sdev);
+		if (!hpb)
+			continue;
+
+		if (init_success) {
+			ufshpb_set_state(hpb, HPB_PRESENT);
+			if ((hpb->lu_pinned_end - hpb->lu_pinned_start) > 0)
+				queue_work(ufshpb_wq, &hpb->map_work);
+			if (!hpb->is_hcm)
+				ufshpb_issue_umap_all_req(hpb);
+		} else {
+			dev_err(hba->dev, "destroy HPB lu %d\n", hpb->lun);
+			ufshpb_destroy_lu(hba, sdev);
+		}
+	}
+
+	if (!init_success)
+		ufshpb_remove(hba);
+}
+
+void ufshpb_init_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+	struct ufshpb_lu *hpb;
+	int ret;
+	struct ufshpb_lu_info hpb_lu_info = { 0 };
+	int lun = sdev->lun;
+
+	if (lun >= hba->dev_info.max_lu_supported)
+		goto out;
+
+	ret = ufshpb_get_lu_info(hba, lun, &hpb_lu_info);
+	if (ret)
+		goto out;
+
+	hpb = ufshpb_alloc_hpb_lu(hba, sdev, &hba->ufshpb_dev,
+				  &hpb_lu_info);
+	if (!hpb)
+		goto out;
+
+	tot_active_srgn_pages += hpb_lu_info.max_active_rgns *
+			hpb->srgns_per_rgn * hpb->pages_per_srgn;
+
+out:
+	/* All LUs are initialized */
+	if (atomic_dec_and_test(&hba->ufshpb_dev.slave_conf_cnt))
+		ufshpb_hpb_lu_prepared(hba);
+}
+
+static int ufshpb_init_mem_wq(struct ufs_hba *hba)
+{
+	int ret;
+	unsigned int pool_size;
+
+	ufshpb_mctx_cache = kmem_cache_create("ufshpb_mctx_cache",
+					sizeof(struct ufshpb_map_ctx),
+					0, 0, NULL);
+	if (!ufshpb_mctx_cache) {
+		dev_err(hba->dev, "ufshpb: cannot init mctx cache\n");
+		return -ENOMEM;
+	}
+
+	pool_size = PAGE_ALIGN(ufshpb_host_map_kbytes * 1024) / PAGE_SIZE;
+	dev_info(hba->dev, "%s:%d ufshpb_host_map_kbytes %u pool_size %u\n",
+	       __func__, __LINE__, ufshpb_host_map_kbytes, pool_size);
+
+	ufshpb_mctx_pool = mempool_create_slab_pool(pool_size,
+						    ufshpb_mctx_cache);
+	if (!ufshpb_mctx_pool) {
+		dev_err(hba->dev, "ufshpb: cannot init mctx pool\n");
+		ret = -ENOMEM;
+		goto release_mctx_cache;
+	}
+
+	ufshpb_page_pool = mempool_create_page_pool(pool_size, 0);
+	if (!ufshpb_page_pool) {
+		dev_err(hba->dev, "ufshpb: cannot init page pool\n");
+		ret = -ENOMEM;
+		goto release_mctx_pool;
+	}
+
+	ufshpb_wq = alloc_workqueue("ufshpb-wq",
+					WQ_UNBOUND | WQ_MEM_RECLAIM, 0);
+	if (!ufshpb_wq) {
+		dev_err(hba->dev, "ufshpb: alloc workqueue failed\n");
+		ret = -ENOMEM;
+		goto release_page_pool;
+	}
+
+	return 0;
+
+release_page_pool:
+	mempool_destroy(ufshpb_page_pool);
+release_mctx_pool:
+	mempool_destroy(ufshpb_mctx_pool);
+release_mctx_cache:
+	kmem_cache_destroy(ufshpb_mctx_cache);
+	return ret;
+}
+
+void ufshpb_get_geo_info(struct ufs_hba *hba, u8 *geo_buf)
+{
+	struct ufshpb_dev_info *hpb_info = &hba->ufshpb_dev;
+	int max_active_rgns = 0;
+	int hpb_num_lu;
+
+	hpb_num_lu = geo_buf[GEOMETRY_DESC_PARAM_HPB_NUMBER_LU];
+	if (hpb_num_lu == 0) {
+		dev_err(hba->dev, "No HPB LU supported\n");
+		hpb_info->hpb_disabled = true;
+		return;
+	}
+
+	hpb_info->rgn_size = geo_buf[GEOMETRY_DESC_PARAM_HPB_REGION_SIZE];
+	hpb_info->srgn_size = geo_buf[GEOMETRY_DESC_PARAM_HPB_SUBREGION_SIZE];
+	max_active_rgns = get_unaligned_be16(geo_buf +
+			  GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS);
+
+	if (hpb_info->rgn_size == 0 || hpb_info->srgn_size == 0 ||
+	    max_active_rgns == 0) {
+		dev_err(hba->dev, "No HPB supported device\n");
+		hpb_info->hpb_disabled = true;
+		return;
+	}
+}
+
+void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf)
+{
+	struct ufshpb_dev_info *hpb_dev_info = &hba->ufshpb_dev;
+	int version, ret;
+	int max_single_cmd;
+
+	hpb_dev_info->control_mode = desc_buf[DEVICE_DESC_PARAM_HPB_CONTROL];
+
+	version = get_unaligned_be16(desc_buf + DEVICE_DESC_PARAM_HPB_VER);
+	if ((version != HPB_SUPPORT_VERSION) &&
+	    (version != HPB_SUPPORT_LEGACY_VERSION)) {
+		dev_err(hba->dev, "%s: HPB %x version is not supported.\n",
+			__func__, version);
+		hpb_dev_info->hpb_disabled = true;
+		return;
+	}
+
+	if (version == HPB_SUPPORT_LEGACY_VERSION)
+		hpb_dev_info->is_legacy = true;
+
+	/*
+	 * Get the number of user logical unit to check whether all
+	 * scsi_device finish initialization
+	 */
+	hpb_dev_info->num_lu = desc_buf[DEVICE_DESC_PARAM_NUM_LU];
+
+	if (hpb_dev_info->is_legacy)
+		return;
+
+	pm_runtime_get_sync(hba->dev);
+	ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR,
+		QUERY_ATTR_IDN_MAX_HPB_SINGLE_CMD, 0, 0, &max_single_cmd);
+	pm_runtime_put_sync(hba->dev);
+
+	if (ret)
+		hpb_dev_info->max_hpb_single_cmd = HPB_LEGACY_CHUNK_HIGH;
+	else
+		hpb_dev_info->max_hpb_single_cmd = min(max_single_cmd + 1, HPB_MULTI_CHUNK_HIGH);
+}
+
+void ufshpb_init(struct ufs_hba *hba)
+{
+	struct ufshpb_dev_info *hpb_dev_info = &hba->ufshpb_dev;
+	int try;
+	int ret;
+
+	if (!ufshpb_is_allowed(hba) || !hba->dev_info.hpb_enabled)
+		return;
+
+	if (ufshpb_init_mem_wq(hba)) {
+		hpb_dev_info->hpb_disabled = true;
+		return;
+	}
+
+	atomic_set(&hpb_dev_info->slave_conf_cnt, hpb_dev_info->num_lu);
+	tot_active_srgn_pages = 0;
+	/* issue HPB reset query */
+	for (try = 0; try < HPB_RESET_REQ_RETRIES; try++) {
+		ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_SET_FLAG,
+					QUERY_FLAG_IDN_HPB_RESET, 0, NULL);
+		if (!ret)
+			break;
+	}
+}
+
+void ufshpb_remove(struct ufs_hba *hba)
+{
+	mempool_destroy(ufshpb_page_pool);
+	mempool_destroy(ufshpb_mctx_pool);
+	kmem_cache_destroy(ufshpb_mctx_cache);
+
+	destroy_workqueue(ufshpb_wq);
+}
+
+module_param(ufshpb_host_map_kbytes, uint, 0644);
+MODULE_PARM_DESC(ufshpb_host_map_kbytes,
+	"ufshpb host mapping memory kilo-bytes for ufshpb memory-pool");
diff --git a/drivers/scsi/ufs/ufshpb.h b/drivers/scsi/ufs/ufshpb.h
new file mode 100644
index 0000000..af7a9a3
--- /dev/null
+++ b/drivers/scsi/ufs/ufshpb.h
@@ -0,0 +1,318 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Universal Flash Storage Host Performance Booster
+ *
+ * Copyright (C) 2017-2021 Samsung Electronics Co., Ltd.
+ *
+ * Authors:
+ *	Yongmyung Lee <ymhungry.lee@samsung.com>
+ *	Jinyoung Choi <j-young.choi@samsung.com>
+ */
+
+#ifndef _UFSHPB_H_
+#define _UFSHPB_H_
+
+/* hpb response UPIU macro */
+#define HPB_RSP_NONE				0x0
+#define HPB_RSP_REQ_REGION_UPDATE		0x1
+#define HPB_RSP_DEV_RESET			0x2
+#define MAX_ACTIVE_NUM				2
+#define MAX_INACTIVE_NUM			2
+#define DEV_DATA_SEG_LEN			0x14
+#define DEV_SENSE_SEG_LEN			0x12
+#define DEV_DES_TYPE				0x80
+#define DEV_ADDITIONAL_LEN			0x10
+
+/* hpb map & entries macro */
+#define HPB_RGN_SIZE_UNIT			512
+#define HPB_ENTRY_BLOCK_SIZE			4096
+#define HPB_ENTRY_SIZE				0x8
+#define PINNED_NOT_SET				U32_MAX
+
+/* hpb support chunk size */
+#define HPB_LEGACY_CHUNK_HIGH			1
+#define HPB_MULTI_CHUNK_HIGH			256
+
+/* hpb vender defined opcode */
+#define UFSHPB_READ				0xF8
+#define UFSHPB_READ_BUFFER			0xF9
+#define UFSHPB_READ_BUFFER_ID			0x01
+#define UFSHPB_WRITE_BUFFER			0xFA
+#define UFSHPB_WRITE_BUFFER_INACT_SINGLE_ID	0x01
+#define UFSHPB_WRITE_BUFFER_PREFETCH_ID		0x02
+#define UFSHPB_WRITE_BUFFER_INACT_ALL_ID	0x03
+#define HPB_WRITE_BUFFER_CMD_LENGTH		10
+#define MAX_HPB_READ_ID				0x7F
+#define HPB_READ_BUFFER_CMD_LENGTH		10
+#define LU_ENABLED_HPB_FUNC			0x02
+
+#define HPB_RESET_REQ_RETRIES			10
+#define HPB_MAP_REQ_RETRIES			5
+#define HPB_REQUEUE_TIME_MS			0
+
+#define HPB_SUPPORT_VERSION			0x200
+#define HPB_SUPPORT_LEGACY_VERSION		0x100
+
+enum UFSHPB_MODE {
+	HPB_HOST_CONTROL,
+	HPB_DEVICE_CONTROL,
+};
+
+enum UFSHPB_STATE {
+	HPB_INIT = 0,
+	HPB_PRESENT = 1,
+	HPB_SUSPEND,
+	HPB_FAILED,
+	HPB_RESET,
+};
+
+enum HPB_RGN_STATE {
+	HPB_RGN_INACTIVE,
+	HPB_RGN_ACTIVE,
+	/* pinned regions are always active */
+	HPB_RGN_PINNED,
+};
+
+enum HPB_SRGN_STATE {
+	HPB_SRGN_UNUSED,
+	HPB_SRGN_INVALID,
+	HPB_SRGN_VALID,
+	HPB_SRGN_ISSUED,
+};
+
+/**
+ * struct ufshpb_lu_info - UFSHPB logical unit related info
+ * @num_blocks: the number of logical block
+ * @pinned_start: the start region number of pinned region
+ * @num_pinned: the number of pinned regions
+ * @max_active_rgns: maximum number of active regions
+ */
+struct ufshpb_lu_info {
+	int num_blocks;
+	int pinned_start;
+	int num_pinned;
+	int max_active_rgns;
+};
+
+struct ufshpb_map_ctx {
+	struct page **m_page;
+	unsigned long *ppn_dirty;
+};
+
+struct ufshpb_subregion {
+	struct ufshpb_map_ctx *mctx;
+	enum HPB_SRGN_STATE srgn_state;
+	int rgn_idx;
+	int srgn_idx;
+	bool is_last;
+
+	/* subregion reads - for host mode */
+	unsigned int reads;
+
+	/* below information is used by rsp_list */
+	struct list_head list_act_srgn;
+};
+
+struct ufshpb_region {
+	struct ufshpb_lu *hpb;
+	struct ufshpb_subregion *srgn_tbl;
+	enum HPB_RGN_STATE rgn_state;
+	int rgn_idx;
+	int srgn_cnt;
+
+	/* below information is used by rsp_list */
+	struct list_head list_inact_rgn;
+
+	/* below information is used by lru */
+	struct list_head list_lru_rgn;
+	unsigned long rgn_flags;
+#define RGN_FLAG_DIRTY 0
+#define RGN_FLAG_UPDATE 1
+
+	/* region reads - for host mode */
+	spinlock_t rgn_lock;
+	unsigned int reads;
+	/* region "cold" timer - for host mode */
+	ktime_t read_timeout;
+	unsigned int read_timeout_expiries;
+	struct list_head list_expired_rgn;
+};
+
+#define for_each_sub_region(rgn, i, srgn)				\
+	for ((i) = 0;							\
+	     ((i) < (rgn)->srgn_cnt) && ((srgn) = &(rgn)->srgn_tbl[i]); \
+	     (i)++)
+
+/**
+ * struct ufshpb_req - HPB related request structure (write/read buffer)
+ * @req: block layer request structure
+ * @bio: bio for this request
+ * @hpb: ufshpb_lu structure that related to
+ * @list_req: ufshpb_req mempool list
+ * @sense: store its sense data
+ * @mctx: L2P map information
+ * @rgn_idx: target region index
+ * @srgn_idx: target sub-region index
+ * @lun: target logical unit number
+ * @m_page: L2P map information data for pre-request
+ * @len: length of host-side cached L2P map in m_page
+ * @lpn: start LPN of L2P map in m_page
+ */
+struct ufshpb_req {
+	struct request *req;
+	struct bio *bio;
+	struct ufshpb_lu *hpb;
+	struct list_head list_req;
+	union {
+		struct {
+			struct ufshpb_map_ctx *mctx;
+			unsigned int rgn_idx;
+			unsigned int srgn_idx;
+			unsigned int lun;
+		} rb;
+		struct {
+			struct page *m_page;
+			unsigned int len;
+			unsigned long lpn;
+		} wb;
+	};
+};
+
+struct victim_select_info {
+	struct list_head lh_lru_rgn; /* LRU list of regions */
+	int max_lru_active_cnt; /* supported hpb #region - pinned #region */
+	atomic_t active_cnt;
+};
+
+/**
+ * ufshpb_params - ufs hpb parameters
+ * @requeue_timeout_ms - requeue threshold of wb command (0x2)
+ * @activation_thld - min reads [IOs] to activate/update a region
+ * @normalization_factor - shift right the region's reads
+ * @eviction_thld_enter - min reads [IOs] for the entering region in eviction
+ * @eviction_thld_exit - max reads [IOs] for the exiting region in eviction
+ * @read_timeout_ms - timeout [ms] from the last read IO to the region
+ * @read_timeout_expiries - amount of allowable timeout expireis
+ * @timeout_polling_interval_ms - frequency in which timeouts are checked
+ * @inflight_map_req - number of inflight map requests
+ */
+struct ufshpb_params {
+	unsigned int requeue_timeout_ms;
+	unsigned int activation_thld;
+	unsigned int normalization_factor;
+	unsigned int eviction_thld_enter;
+	unsigned int eviction_thld_exit;
+	unsigned int read_timeout_ms;
+	unsigned int read_timeout_expiries;
+	unsigned int timeout_polling_interval_ms;
+	unsigned int inflight_map_req;
+};
+
+struct ufshpb_stats {
+	u64 hit_cnt;
+	u64 miss_cnt;
+	u64 rb_noti_cnt;
+	u64 rb_active_cnt;
+	u64 rb_inactive_cnt;
+	u64 map_req_cnt;
+	u64 pre_req_cnt;
+	u64 umap_req_cnt;
+};
+
+struct ufshpb_lu {
+	int lun;
+	struct scsi_device *sdev_ufs_lu;
+
+	spinlock_t rgn_state_lock; /* for protect rgn/srgn state */
+	struct ufshpb_region *rgn_tbl;
+
+	atomic_t hpb_state;
+
+	spinlock_t rsp_list_lock;
+	struct list_head lh_act_srgn; /* hold rsp_list_lock */
+	struct list_head lh_inact_rgn; /* hold rsp_list_lock */
+
+	/* pre request information */
+	struct ufshpb_req *pre_req;
+	int num_inflight_pre_req;
+	int throttle_pre_req;
+	int num_inflight_map_req;
+	struct list_head lh_pre_req_free;
+	int pre_req_max_tr_len;
+
+	/* cached L2P map management worker */
+	struct work_struct map_work;
+
+	/* for selecting victim */
+	struct victim_select_info lru_info;
+	struct work_struct ufshpb_normalization_work;
+	struct delayed_work ufshpb_read_to_work;
+	unsigned long work_data_bits;
+#define TIMEOUT_WORK_RUNNING 0
+
+	/* pinned region information */
+	u32 lu_pinned_start;
+	u32 lu_pinned_end;
+
+	/* HPB related configuration */
+	u32 rgns_per_lu;
+	u32 srgns_per_lu;
+	u32 last_srgn_entries;
+	int srgns_per_rgn;
+	u32 srgn_mem_size;
+	u32 entries_per_rgn_mask;
+	u32 entries_per_rgn_shift;
+	u32 entries_per_srgn;
+	u32 entries_per_srgn_mask;
+	u32 entries_per_srgn_shift;
+	u32 pages_per_srgn;
+
+	bool is_hcm;
+
+	struct ufshpb_stats stats;
+	struct ufshpb_params params;
+
+	struct kmem_cache *map_req_cache;
+	struct kmem_cache *m_page_cache;
+
+	struct list_head list_hpb_lu;
+};
+
+struct ufs_hba;
+struct ufshcd_lrb;
+
+#ifndef CONFIG_SCSI_UFS_HPB
+static int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) { return 0; }
+static void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) {}
+static void ufshpb_resume(struct ufs_hba *hba) {}
+static void ufshpb_suspend(struct ufs_hba *hba) {}
+static void ufshpb_reset(struct ufs_hba *hba) {}
+static void ufshpb_reset_host(struct ufs_hba *hba) {}
+static void ufshpb_init(struct ufs_hba *hba) {}
+static void ufshpb_init_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev) {}
+static void ufshpb_destroy_lu(struct ufs_hba *hba, struct scsi_device *sdev) {}
+static void ufshpb_remove(struct ufs_hba *hba) {}
+static bool ufshpb_is_allowed(struct ufs_hba *hba) { return false; }
+static void ufshpb_get_geo_info(struct ufs_hba *hba, u8 *geo_buf) {}
+static void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf) {}
+static bool ufshpb_is_legacy(struct ufs_hba *hba) { return false; }
+#else
+int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp);
+void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp);
+void ufshpb_resume(struct ufs_hba *hba);
+void ufshpb_suspend(struct ufs_hba *hba);
+void ufshpb_reset(struct ufs_hba *hba);
+void ufshpb_reset_host(struct ufs_hba *hba);
+void ufshpb_init(struct ufs_hba *hba);
+void ufshpb_init_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev);
+void ufshpb_destroy_lu(struct ufs_hba *hba, struct scsi_device *sdev);
+void ufshpb_remove(struct ufs_hba *hba);
+bool ufshpb_is_allowed(struct ufs_hba *hba);
+void ufshpb_get_geo_info(struct ufs_hba *hba, u8 *geo_buf);
+void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf);
+bool ufshpb_is_legacy(struct ufs_hba *hba);
+extern struct attribute_group ufs_sysfs_hpb_stat_group;
+extern struct attribute_group ufs_sysfs_hpb_param_group;
+#endif
+
+#endif /* End of Header */
diff --git a/drivers/scsi/ufs/unipro.h b/drivers/scsi/ufs/unipro.h
index f6b52ce..8e9e486 100644
--- a/drivers/scsi/ufs/unipro.h
+++ b/drivers/scsi/ufs/unipro.h
@@ -237,8 +237,10 @@
 	UFS_UNIPRO_VER_RESERVED = 0,
 	UFS_UNIPRO_VER_1_40 = 1, /* UniPro version 1.40 */
 	UFS_UNIPRO_VER_1_41 = 2, /* UniPro version 1.41 */
-	UFS_UNIPRO_VER_1_6 = 3,  /* UniPro version 1.6 */
-	UFS_UNIPRO_VER_MAX = 4,  /* UniPro unsupported version */
+	UFS_UNIPRO_VER_1_6  = 3, /* UniPro version 1.6 */
+	UFS_UNIPRO_VER_1_61 = 4, /* UniPro version 1.61 */
+	UFS_UNIPRO_VER_1_8  = 5, /* UniPro version 1.8 */
+	UFS_UNIPRO_VER_MAX  = 6, /* UniPro unsupported version */
 	/* UniPro version field mask in PA_LOCALVERINFO */
 	UFS_UNIPRO_VER_MASK = 0xF,
 };
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 6dac58a..0afba94 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -156,13 +156,11 @@
 
 	WARN_ON(virtio32_to_cpu(vscsi->vdev, resp->sense_len) >
 		VIRTIO_SCSI_SENSE_SIZE);
-	if (sc->sense_buffer) {
+	if (resp->sense_len) {
 		memcpy(sc->sense_buffer, resp->sense,
 		       min_t(u32,
 			     virtio32_to_cpu(vscsi->vdev, resp->sense_len),
 			     VIRTIO_SCSI_SENSE_SIZE));
-		if (resp->sense_len)
-			set_driver_byte(sc, DRIVER_SENSE);
 	}
 
 	sc->scsi_done(sc);
diff --git a/drivers/soc/amlogic/Kconfig b/drivers/soc/amlogic/Kconfig
index 321c5e2..174a9b0 100644
--- a/drivers/soc/amlogic/Kconfig
+++ b/drivers/soc/amlogic/Kconfig
@@ -9,7 +9,7 @@
 	  Say yes to support the canvas IP for Amlogic SoCs.
 
 config MESON_CLK_MEASURE
-	bool "Amlogic Meson SoC Clock Measure driver"
+	tristate "Amlogic Meson SoC Clock Measure driver"
 	depends on ARCH_MESON || COMPILE_TEST
 	default ARCH_MESON
 	select REGMAP_MMIO
@@ -19,7 +19,7 @@
 
 config MESON_GX_SOCINFO
 	bool "Amlogic Meson GX SoC Information driver"
-	depends on ARCH_MESON || COMPILE_TEST
+	depends on (ARM64 && ARCH_MESON) || COMPILE_TEST
 	default ARCH_MESON
 	select SOC_BUS
 	help
@@ -27,7 +27,7 @@
 	  information about the type, package and version.
 
 config MESON_GX_PM_DOMAINS
-	bool "Amlogic Meson GX Power Domains driver"
+	tristate "Amlogic Meson GX Power Domains driver"
 	depends on ARCH_MESON || COMPILE_TEST
 	depends on PM && OF
 	default ARCH_MESON
@@ -38,7 +38,7 @@
 	  Generic Power Domains.
 
 config MESON_EE_PM_DOMAINS
-	bool "Amlogic Meson Everything-Else Power Domains driver"
+	tristate "Amlogic Meson Everything-Else Power Domains driver"
 	depends on ARCH_MESON || COMPILE_TEST
 	depends on PM && OF
 	default ARCH_MESON
@@ -49,7 +49,7 @@
 	  Generic Power Domains.
 
 config MESON_SECURE_PM_DOMAINS
-	bool "Amlogic Meson Secure Power Domains driver"
+	tristate "Amlogic Meson Secure Power Domains driver"
 	depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
 	depends on PM && OF
 	depends on HAVE_ARM_SMCCC
@@ -63,7 +63,7 @@
 
 config MESON_MX_SOCINFO
 	bool "Amlogic Meson MX SoC Information driver"
-	depends on ARCH_MESON || COMPILE_TEST
+	depends on (ARM && ARCH_MESON) || COMPILE_TEST
 	default ARCH_MESON
 	select SOC_BUS
 	help
diff --git a/drivers/soc/amlogic/meson-clk-measure.c b/drivers/soc/amlogic/meson-clk-measure.c
index 0fa47d7..e195747 100644
--- a/drivers/soc/amlogic/meson-clk-measure.c
+++ b/drivers/soc/amlogic/meson-clk-measure.c
@@ -10,6 +10,7 @@
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 #include <linux/regmap.h>
+#include <linux/module.h>
 
 static DEFINE_MUTEX(measure_lock);
 
@@ -681,6 +682,7 @@
 	},
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, meson_msr_match_table);
 
 static struct platform_driver meson_msr_driver = {
 	.probe	= meson_msr_probe,
@@ -689,4 +691,5 @@
 		.of_match_table	= meson_msr_match_table,
 	},
 };
-builtin_platform_driver(meson_msr_driver);
+module_platform_driver(meson_msr_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c
index 5164a4d..ed7d2fb 100644
--- a/drivers/soc/amlogic/meson-ee-pwrc.c
+++ b/drivers/soc/amlogic/meson-ee-pwrc.c
@@ -14,6 +14,7 @@
 #include <linux/reset-controller.h>
 #include <linux/reset.h>
 #include <linux/clk.h>
+#include <linux/module.h>
 #include <dt-bindings/power/meson8-power.h>
 #include <dt-bindings/power/meson-axg-power.h>
 #include <dt-bindings/power/meson-g12a-power.h>
@@ -602,6 +603,7 @@
 	},
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, meson_ee_pwrc_match_table);
 
 static struct platform_driver meson_ee_pwrc_driver = {
 	.probe = meson_ee_pwrc_probe,
@@ -611,4 +613,5 @@
 		.of_match_table	= meson_ee_pwrc_match_table,
 	},
 };
-builtin_platform_driver(meson_ee_pwrc_driver);
+module_platform_driver(meson_ee_pwrc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
index 21b4bc8..8790627 100644
--- a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
+++ b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
@@ -14,6 +14,7 @@
 #include <linux/of_device.h>
 #include <linux/reset.h>
 #include <linux/clk.h>
+#include <linux/module.h>
 
 /* AO Offsets */
 
@@ -364,6 +365,7 @@
 	},
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, meson_gx_pwrc_vpu_match_table);
 
 static struct platform_driver meson_gx_pwrc_vpu_driver = {
 	.probe	= meson_gx_pwrc_vpu_probe,
@@ -373,4 +375,5 @@
 		.of_match_table	= meson_gx_pwrc_vpu_match_table,
 	},
 };
-builtin_platform_driver(meson_gx_pwrc_vpu_driver);
+module_platform_driver(meson_gx_pwrc_vpu_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/amlogic/meson-secure-pwrc.c b/drivers/soc/amlogic/meson-secure-pwrc.c
index 090a326..2f3ca55 100644
--- a/drivers/soc/amlogic/meson-secure-pwrc.c
+++ b/drivers/soc/amlogic/meson-secure-pwrc.c
@@ -13,6 +13,7 @@
 #include <dt-bindings/power/meson-a1-power.h>
 #include <linux/arm-smccc.h>
 #include <linux/firmware/meson/meson_sm.h>
+#include <linux/module.h>
 
 #define PWRC_ON		1
 #define PWRC_OFF	0
@@ -195,6 +196,7 @@
 	},
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table);
 
 static struct platform_driver meson_secure_pwrc_driver = {
 	.probe = meson_secure_pwrc_probe,
@@ -203,4 +205,5 @@
 		.of_match_table	= meson_secure_pwrc_match_table,
 	},
 };
-builtin_platform_driver(meson_secure_pwrc_driver);
+module_platform_driver(meson_secure_pwrc_driver);
+MODULE_LICENSE("Dual MIT/GPL");
diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 479d60a..6a97e8a 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -17,7 +17,7 @@
 	  Subsystem (AOSS) using Qualcomm Messaging Protocol (QMP).
 
 config QCOM_COMMAND_DB
-	bool "Qualcomm Command DB"
+	tristate "Qualcomm Command DB"
 	depends on ARCH_QCOM || COMPILE_TEST
 	depends on OF_RESERVED_MEM
 	help
@@ -109,8 +109,9 @@
 	  Say y here if you intend to boot the modem remoteproc.
 
 config QCOM_RPMH
-	bool "Qualcomm RPM-Hardened (RPMH) Communication"
+	tristate "Qualcomm RPM-Hardened (RPMH) Communication"
 	depends on ARCH_QCOM || COMPILE_TEST
+	depends on (QCOM_COMMAND_DB || !QCOM_COMMAND_DB)
 	help
 	  Support for communication with the hardened-RPM blocks in
 	  Qualcomm Technologies Inc (QTI) SoCs. RPMH communication uses an
diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c
index fc56106..dd87201 100644
--- a/drivers/soc/qcom/cmd-db.c
+++ b/drivers/soc/qcom/cmd-db.c
@@ -1,8 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. */
+/* Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved. */
 
 #include <linux/debugfs.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_reserved_mem.h>
@@ -340,12 +341,14 @@
 	{ .compatible = "qcom,cmd-db" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, cmd_db_match_table);
 
 static struct platform_driver cmd_db_dev_driver = {
 	.probe  = cmd_db_dev_probe,
 	.driver = {
 		   .name = "cmd-db",
 		   .of_match_table = cmd_db_match_table,
+		   .suppress_bind_attrs = true,
 	},
 };
 
@@ -354,3 +357,6 @@
 	return platform_driver_register(&cmd_db_dev_driver);
 }
 arch_initcall(cmd_db_device_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Command DB Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index a297911..44a32cb 100644
--- a/drivers/soc/qcom/rpmh-rsc.c
+++ b/drivers/soc/qcom/rpmh-rsc.c
@@ -13,6 +13,7 @@
 #include <linux/iopoll.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
@@ -497,7 +498,7 @@
 		write_tcs_cmd(drv, RSC_DRV_CMD_MSGID, tcs_id, j, msgid);
 		write_tcs_cmd(drv, RSC_DRV_CMD_ADDR, tcs_id, j, cmd->addr);
 		write_tcs_cmd(drv, RSC_DRV_CMD_DATA, tcs_id, j, cmd->data);
-		trace_rpmh_send_msg_rcuidle(drv, tcs_id, j, msgid, cmd);
+		// trace_rpmh_send_msg_rcuidle(drv, tcs_id, j, msgid, cmd);
 	}
 
 	write_tcs_reg(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, tcs_id, cmd_complete);
@@ -1018,6 +1019,8 @@
 	{ .compatible = "qcom,rpmh-rsc", },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, rpmh_drv_match);
+
 
 static struct platform_driver rpmh_driver = {
 	.probe = rpmh_rsc_probe,
@@ -1033,3 +1036,6 @@
 	return platform_driver_register(&rpmh_driver);
 }
 arch_initcall(rpmh_driver_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 4487fbb..942d2fe 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1140,8 +1140,8 @@
 	.prepare = intel_prepare,
 	.hw_free = intel_hw_free,
 	.shutdown = intel_shutdown,
-	.set_stream = intel_pcm_set_sdw_stream,
-	.get_stream = intel_get_sdw_stream,
+	.set_sdw_stream = intel_pcm_set_sdw_stream,
+	.get_sdw_stream = intel_get_sdw_stream,
 };
 
 static const struct snd_soc_dai_ops intel_pdm_dai_ops = {
@@ -1150,8 +1150,8 @@
 	.prepare = intel_prepare,
 	.hw_free = intel_hw_free,
 	.shutdown = intel_shutdown,
-	.set_stream = intel_pdm_set_sdw_stream,
-	.get_stream = intel_get_sdw_stream,
+	.set_sdw_stream = intel_pdm_set_sdw_stream,
+	.get_sdw_stream = intel_get_sdw_stream,
 };
 
 static const struct snd_soc_component_driver dai_component = {
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index ac73258..6d22df0 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -649,8 +649,8 @@
 	ctrl->sruntime[dai->id] = sruntime;
 
 	for_each_rtd_codec_dais(rtd, i, codec_dai) {
-		ret = snd_soc_dai_set_stream(codec_dai, sruntime,
-					     substream->stream);
+		ret = snd_soc_dai_set_sdw_stream(codec_dai, sruntime,
+						 substream->stream);
 		if (ret < 0 && ret != -ENOTSUPP) {
 			dev_err(dai->dev, "Failed to set sdw stream on %s",
 				codec_dai->name);
@@ -676,8 +676,8 @@
 	.hw_free = qcom_swrm_hw_free,
 	.startup = qcom_swrm_startup,
 	.shutdown = qcom_swrm_shutdown,
-	.set_stream = qcom_swrm_set_sdw_stream,
-	.get_stream = qcom_swrm_get_sdw_stream,
+	.set_sdw_stream = qcom_swrm_set_sdw_stream,
+	.get_sdw_stream = qcom_swrm_get_sdw_stream,
 };
 
 static const struct snd_soc_component_driver qcom_swrm_dai_component = {
diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index a377c3d..2741bc0 100644
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -1861,7 +1861,7 @@
 
 	/* Set stream pointer on all DAIs */
 	for_each_rtd_dais(rtd, i, dai) {
-		ret = snd_soc_dai_set_stream(dai, sdw_stream, substream->stream);
+		ret = snd_soc_dai_set_sdw_stream(dai, sdw_stream, substream->stream);
 		if (ret < 0) {
 			dev_err(rtd->dev, "failed to set stream pointer on dai %s", dai->name);
 			break;
@@ -1932,7 +1932,7 @@
 	/* Find stream from first CPU DAI */
 	dai = asoc_rtd_to_cpu(rtd, 0);
 
-	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
+	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
 
 	if (IS_ERR(sdw_stream)) {
 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 857a139..b1a638d 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2502,7 +2502,6 @@
 
 	ctlr = __spi_alloc_controller(dev, size, slave);
 	if (ctlr) {
-		ctlr->devm_allocated = true;
 		*ptr = ctlr;
 		devres_add(dev, ptr);
 	} else {
@@ -2850,6 +2849,11 @@
 }
 EXPORT_SYMBOL_GPL(devm_spi_register_controller);
 
+static int devm_spi_match_controller(struct device *dev, void *res, void *ctlr)
+{
+	return *(struct spi_controller **)res == ctlr;
+}
+
 static int __unregister(struct device *dev, void *null)
 {
 	spi_unregister_device(to_spi_device(dev));
@@ -2896,7 +2900,8 @@
 	/* Release the last reference on the controller if its driver
 	 * has not yet been converted to devm_spi_alloc_master/slave().
 	 */
-	if (!ctlr->devm_allocated)
+	if (!devres_find(ctlr->dev.parent, devm_spi_release_controller,
+			 devm_spi_match_controller, ctlr))
 		put_device(&ctlr->dev);
 
 	/* free bus id */
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index 8d8fd5c..549120c5d 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -14,6 +14,17 @@
 	  It is, in theory, a good memory allocator for low-memory devices,
 	  because it can discard shared memory units when under memory pressure.
 
+config DEBUG_KINFO
+	bool "Debug Kernel Information Support"
+	depends on KALLSYMS
+	help
+	  This supports kernel information backup for bootloader usage.
+	  Specifics:
+	   - The kallsyms symbols for unwind_backtrace
+	   - Page directory pointer
+	   - UTS_RELEASE
+	   - BUILD_INFO(ro.build.fingerprint)
+
 source "drivers/staging/android/ion/Kconfig"
 
 endif # if ANDROID
diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile
index 3b66cd0..ca5df9a 100644
--- a/drivers/staging/android/Makefile
+++ b/drivers/staging/android/Makefile
@@ -4,3 +4,4 @@
 obj-y					+= ion/
 
 obj-$(CONFIG_ASHMEM)			+= ashmem.o
+obj-$(CONFIG_DEBUG_KINFO)	+= debug_kinfo.o
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 10b4be1..448ac60 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -816,6 +816,7 @@
 static long ashmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct ashmem_area *asma = file->private_data;
+	unsigned long ino;
 	long ret = -ENOTTY;
 
 	switch (cmd) {
@@ -859,6 +860,23 @@
 			ashmem_shrink_scan(&ashmem_shrinker, &sc);
 		}
 		break;
+	case ASHMEM_GET_FILE_ID:
+		/* Lock around our check to avoid racing with ashmem_mmap(). */
+		mutex_lock(&ashmem_mutex);
+		if (!asma || !asma->file) {
+			mutex_unlock(&ashmem_mutex);
+			ret = -EINVAL;
+			break;
+		}
+		ino = file_inode(asma->file)->i_ino;
+		mutex_unlock(&ashmem_mutex);
+
+		if (copy_to_user((void __user *)arg, &ino, sizeof(ino))) {
+			ret = -EFAULT;
+			break;
+		}
+		ret = 0;
+		break;
 	}
 
 	return ret;
@@ -894,6 +912,8 @@
 		seq_printf(m, "name:\t%s\n",
 			   asma->name + ASHMEM_NAME_PREFIX_LEN);
 
+	seq_printf(m, "size:\t%zu\n", asma->size);
+
 	mutex_unlock(&ashmem_mutex);
 }
 #endif
@@ -913,6 +933,15 @@
 #endif
 };
 
+/*
+ * is_ashmem_file - Check if struct file* is associated with ashmem
+ */
+int is_ashmem_file(struct file *file)
+{
+	return file->f_op == &ashmem_fops;
+}
+EXPORT_SYMBOL_GPL(is_ashmem_file);
+
 static struct miscdevice ashmem_misc = {
 	.minor = MISC_DYNAMIC_MINOR,
 	.name = "ashmem",
diff --git a/drivers/staging/android/ashmem.h b/drivers/staging/android/ashmem.h
index 1a47817..9fa72ed 100644
--- a/drivers/staging/android/ashmem.h
+++ b/drivers/staging/android/ashmem.h
@@ -21,4 +21,6 @@
 #define COMPAT_ASHMEM_SET_PROT_MASK	_IOW(__ASHMEMIOC, 5, unsigned int)
 #endif
 
+int is_ashmem_file(struct file *file);
+
 #endif	/* _LINUX_ASHMEM_H */
diff --git a/drivers/staging/android/debug_kinfo.c b/drivers/staging/android/debug_kinfo.c
new file mode 100644
index 0000000..6a16232
--- /dev/null
+++ b/drivers/staging/android/debug_kinfo.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * debug_kinfo.c - backup kernel information for bootloader usage
+ *
+ * Copyright 2002 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation
+ * Copyright 2021 Google LLC
+ */
+
+#include <linux/platform_device.h>
+#include <linux/kallsyms.h>
+#include <linux/vmalloc.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/pgtable.h>
+#include <asm/module.h>
+#include "debug_kinfo.h"
+
+/*
+ * These will be re-linked against their real values
+ * during the second link stage.
+ */
+extern const unsigned long kallsyms_addresses[] __weak;
+extern const int kallsyms_offsets[] __weak;
+extern const u8 kallsyms_names[] __weak;
+
+/*
+ * Tell the compiler that the count isn't in the small data section if the arch
+ * has one (eg: FRV).
+ */
+extern const unsigned int kallsyms_num_syms __weak
+__section(".rodata");
+
+extern const unsigned long kallsyms_relative_base __weak
+__section(".rodata");
+
+extern const u8 kallsyms_token_table[] __weak;
+extern const u16 kallsyms_token_index[] __weak;
+
+extern const unsigned int kallsyms_markers[] __weak;
+
+static void *all_info_addr;
+static u32 all_info_size;
+
+static void update_kernel_all_info(struct kernel_all_info *all_info)
+{
+	int index;
+	struct kernel_info *info;
+	u32 *checksum_info;
+
+	all_info->magic_number = DEBUG_KINFO_MAGIC;
+	all_info->combined_checksum = 0;
+
+	info = &(all_info->info);
+	checksum_info = (u32 *)info;
+	for (index = 0; index < sizeof(*info) / sizeof(u32); index++)
+		all_info->combined_checksum ^= checksum_info[index];
+}
+
+static int build_info_set(const char *str, const struct kernel_param *kp)
+{
+	struct kernel_all_info *all_info;
+	size_t build_info_size;
+	int ret = 0;
+
+	if (all_info_addr == 0 || all_info_size == 0) {
+		ret = -EPERM;
+		goto Exit;
+	}
+
+	all_info = (struct kernel_all_info *)all_info_addr;
+	build_info_size = sizeof(all_info->info.build_info);
+
+	memcpy(&all_info->info.build_info, str, min(build_info_size - 1, strlen(str)));
+	update_kernel_all_info(all_info);
+
+	if (strlen(str) > build_info_size) {
+		pr_warn("%s: Build info buffer (len: %zd) can't hold entire string '%s'\n",
+				__func__, build_info_size, str);
+		ret = -ENOMEM;
+	}
+
+Exit:
+	return ret;
+}
+
+static const struct kernel_param_ops build_info_op = {
+	.set = build_info_set,
+};
+
+module_param_cb(build_info, &build_info_op, NULL, 0200);
+MODULE_PARM_DESC(build_info, "Write build info to field 'build_info' of debug kinfo.");
+
+static int debug_kinfo_probe(struct platform_device *pdev)
+{
+	struct device_node *mem_region;
+	struct reserved_mem *rmem;
+	struct kernel_all_info *all_info;
+	struct kernel_info *info;
+
+	mem_region = of_parse_phandle(pdev->dev.of_node, "memory-region", 0);
+	if (!mem_region) {
+		dev_warn(&pdev->dev, "no such memory-region\n");
+		return -ENODEV;
+	}
+
+	rmem = of_reserved_mem_lookup(mem_region);
+	if (!rmem) {
+		dev_warn(&pdev->dev, "no such reserved mem of node name %s\n",
+				pdev->dev.of_node->name);
+		return -ENODEV;
+	}
+
+	/* Need to wait for reserved memory to be mapped */
+	if (!rmem->priv) {
+		return -EPROBE_DEFER;
+	}
+
+	if (!rmem->base || !rmem->size) {
+		dev_warn(&pdev->dev, "unexpected reserved memory\n");
+		return -EINVAL;
+	}
+
+	if (rmem->size < sizeof(struct kernel_all_info)) {
+		dev_warn(&pdev->dev, "unexpected reserved memory size\n");
+		return -EINVAL;
+	}
+
+	all_info_addr = rmem->priv;
+	all_info_size = rmem->size;
+
+	memset(all_info_addr, 0, sizeof(struct kernel_all_info));
+	all_info = (struct kernel_all_info *)all_info_addr;
+	info = &(all_info->info);
+	info->enabled_all = IS_ENABLED(CONFIG_KALLSYMS_ALL);
+	info->enabled_base_relative = IS_ENABLED(CONFIG_KALLSYMS_BASE_RELATIVE);
+	info->enabled_absolute_percpu = IS_ENABLED(CONFIG_KALLSYMS_ABSOLUTE_PERCPU);
+	info->enabled_cfi_clang = IS_ENABLED(CONFIG_CFI_CLANG);
+	info->num_syms = kallsyms_num_syms;
+	info->name_len = KSYM_NAME_LEN;
+	info->bit_per_long = BITS_PER_LONG;
+	info->module_name_len = MODULE_NAME_LEN;
+	info->symbol_len = KSYM_SYMBOL_LEN;
+	if (!info->enabled_base_relative)
+		info->_addresses_pa = (u64)__pa_symbol((volatile void *)kallsyms_addresses);
+	else {
+		info->_relative_pa = (u64)__pa_symbol((volatile void *)kallsyms_relative_base);
+		info->_offsets_pa = (u64)__pa_symbol((volatile void *)kallsyms_offsets);
+	}
+	info->_stext_pa = (u64)__pa_symbol(_stext);
+	info->_etext_pa = (u64)__pa_symbol(_etext);
+	info->_sinittext_pa = (u64)__pa_symbol(_sinittext);
+	info->_einittext_pa = (u64)__pa_symbol(_einittext);
+	info->_end_pa = (u64)__pa_symbol(_end);
+	info->_names_pa = (u64)__pa_symbol((volatile void *)kallsyms_names);
+	info->_token_table_pa = (u64)__pa_symbol((volatile void *)kallsyms_token_table);
+	info->_token_index_pa = (u64)__pa_symbol((volatile void *)kallsyms_token_index);
+	info->_markers_pa = (u64)__pa_symbol((volatile void *)kallsyms_markers);
+	info->thread_size = THREAD_SIZE;
+	info->swapper_pg_dir_pa = (u64)__pa_symbol(swapper_pg_dir);
+	strlcpy(info->last_uts_release, init_utsname()->release, sizeof(info->last_uts_release));
+	info->enabled_modules_tree_lookup = IS_ENABLED(CONFIG_MODULES_TREE_LOOKUP);
+	info->mod_core_layout_offset = offsetof(struct module, core_layout);
+	info->mod_init_layout_offset = offsetof(struct module, init_layout);
+	info->mod_kallsyms_offset = offsetof(struct module, kallsyms);
+#if defined(CONFIG_RANDOMIZE_BASE) && defined(MODULES_VSIZE)
+	info->module_start_va = module_alloc_base;
+	info->module_end_va = info->module_start_va + MODULES_VSIZE;
+#elif defined(CONFIG_MODULES) && defined(MODULES_VADDR)
+	info->module_start_va = MODULES_VADDR;
+	info->module_end_va = MODULES_END;
+#else
+	info->module_start_va = VMALLOC_START;
+	info->module_end_va = VMALLOC_END;
+#endif
+	update_kernel_all_info(all_info);
+
+	return 0;
+}
+
+static const struct of_device_id debug_kinfo_of_match[] = {
+	{ .compatible	= "google,debug-kinfo" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, debug_kinfo_of_match);
+
+static struct platform_driver debug_kinfo_driver = {
+	.probe = debug_kinfo_probe,
+	.driver = {
+		.name = "debug-kinfo",
+		.of_match_table = of_match_ptr(debug_kinfo_of_match),
+	},
+};
+module_platform_driver(debug_kinfo_driver);
+
+MODULE_AUTHOR("Jone Chou <jonechou@google.com>");
+MODULE_DESCRIPTION("Debug Kinfo Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/android/debug_kinfo.h b/drivers/staging/android/debug_kinfo.h
new file mode 100644
index 0000000..921f140
--- /dev/null
+++ b/drivers/staging/android/debug_kinfo.h
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * debug_kinfo.h - backup kernel information for bootloader usage
+ *
+ * Copyright 2021 Google LLC
+ */
+
+#ifndef DEBUG_KINFO_H
+#define DEBUG_KINFO_H
+
+#include <linux/utsname.h>
+
+#define BUILD_INFO_LEN		256
+#define DEBUG_KINFO_MAGIC	0xCCEEDDFF
+
+/*
+ * Header structure must be byte-packed, since the table is provided to
+ * bootloader.
+ */
+struct kernel_info {
+	/* For kallsyms */
+	__u8 enabled_all;
+	__u8 enabled_base_relative;
+	__u8 enabled_absolute_percpu;
+	__u8 enabled_cfi_clang;
+	__u32 num_syms;
+	__u16 name_len;
+	__u16 bit_per_long;
+	__u16 module_name_len;
+	__u16 symbol_len;
+	__u64 _addresses_pa;
+	__u64 _relative_pa;
+	__u64 _stext_pa;
+	__u64 _etext_pa;
+	__u64 _sinittext_pa;
+	__u64 _einittext_pa;
+	__u64 _end_pa;
+	__u64 _offsets_pa;
+	__u64 _names_pa;
+	__u64 _token_table_pa;
+	__u64 _token_index_pa;
+	__u64 _markers_pa;
+
+	/* For frame pointer */
+	__u32 thread_size;
+
+	/* For virt_to_phys */
+	__u64 swapper_pg_dir_pa;
+
+	/* For linux banner */
+	__u8 last_uts_release[__NEW_UTS_LEN];
+
+	/* Info of running build */
+	__u8 build_info[BUILD_INFO_LEN];
+
+	/* For module kallsyms */
+	__u32 enabled_modules_tree_lookup;
+	__u32 mod_core_layout_offset;
+	__u32 mod_init_layout_offset;
+	__u32 mod_kallsyms_offset;
+	__u64 module_start_va;
+	__u64 module_end_va;
+} __packed;
+
+struct kernel_all_info {
+	__u32 magic_number;
+	__u32 combined_checksum;
+	struct kernel_info info;
+} __packed;
+
+#endif // DEBUG_KINFO_H
diff --git a/drivers/staging/android/ion/Kconfig b/drivers/staging/android/ion/Kconfig
index 989fe84..7b7da97 100644
--- a/drivers/staging/android/ion/Kconfig
+++ b/drivers/staging/android/ion/Kconfig
@@ -11,17 +11,4 @@
 	  If you're not using Android its probably safe to
 	  say N here.
 
-config ION_SYSTEM_HEAP
-	bool "Ion system heap"
-	depends on ION
-	help
-	  Choose this option to enable the Ion system heap. The system heap
-	  is backed by pages from the buddy allocator. If in doubt, say Y.
-
-config ION_CMA_HEAP
-	bool "Ion CMA heap support"
-	depends on ION && DMA_CMA
-	help
-	  Choose this option to enable CMA heaps with Ion. This heap is backed
-	  by the Contiguous Memory Allocator (CMA). If your system has these
-	  regions, you should say Y here.
+source "drivers/staging/android/ion/heaps/Kconfig"
diff --git a/drivers/staging/android/ion/Makefile b/drivers/staging/android/ion/Makefile
index 5f4487b..7f8fd0f 100644
--- a/drivers/staging/android/ion/Makefile
+++ b/drivers/staging/android/ion/Makefile
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_ION) += ion.o ion_heap.o
-obj-$(CONFIG_ION_SYSTEM_HEAP) += ion_system_heap.o ion_page_pool.o
-obj-$(CONFIG_ION_CMA_HEAP) += ion_cma_heap.o
+obj-$(CONFIG_ION)	+= ion.o ion_buffer.o ion_dma_buf.o ion_heap.o
+CFLAGS_ion_buffer.o 	= -I$(src)
+obj-y			+= heaps/
diff --git a/drivers/staging/android/ion/heaps/Kconfig b/drivers/staging/android/ion/heaps/Kconfig
new file mode 100644
index 0000000..5034c45
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/Kconfig
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+config ION_SYSTEM_HEAP
+	tristate "Ion system heap"
+	depends on ION
+	help
+	  Choose this option to enable the Ion system heap. The system heap
+	  is backed by pages from the buddy allocator. If in doubt, say Y.
+
+config ION_CMA_HEAP
+	tristate "Ion CMA heap support"
+	depends on ION && DMA_CMA
+	help
+	  Choose this option to enable CMA heaps with Ion. This heap is backed
+	  by the Contiguous Memory Allocator (CMA). If your system has these
+	  regions, you should say Y here.
diff --git a/drivers/staging/android/ion/heaps/Makefile b/drivers/staging/android/ion/heaps/Makefile
new file mode 100644
index 0000000..82e36e8
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_ION_SYSTEM_HEAP) += ion_sys_heap.o
+ion_sys_heap-y := ion_system_heap.o ion_page_pool.o
+
+obj-$(CONFIG_ION_CMA_HEAP) += ion_cma_heap.o
diff --git a/drivers/staging/android/ion/heaps/ion_cma_heap.c b/drivers/staging/android/ion/heaps/ion_cma_heap.c
new file mode 100644
index 0000000..6ba7fd8
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/ion_cma_heap.c
@@ -0,0 +1,151 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ION Memory Allocator CMA heap exporter
+ *
+ * Copyright (C) Linaro 2012
+ * Author: <benjamin.gaignard@linaro.org> for ST-Ericsson.
+ */
+
+#include <linux/device.h>
+#include <linux/ion.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/cma.h>
+#include <linux/scatterlist.h>
+#include <linux/highmem.h>
+
+struct ion_cma_heap {
+	struct ion_heap heap;
+	struct cma *cma;
+} cma_heaps[MAX_CMA_AREAS];
+
+#define to_cma_heap(x) container_of(x, struct ion_cma_heap, heap)
+
+/* ION CMA heap operations functions */
+static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer,
+			    unsigned long len,
+			    unsigned long flags)
+{
+	struct ion_cma_heap *cma_heap = to_cma_heap(heap);
+	struct sg_table *table;
+	struct page *pages;
+	unsigned long size = PAGE_ALIGN(len);
+	unsigned long nr_pages = size >> PAGE_SHIFT;
+	unsigned long align = get_order(size);
+	int ret;
+
+	if (align > CONFIG_CMA_ALIGNMENT)
+		align = CONFIG_CMA_ALIGNMENT;
+
+	pages = cma_alloc(cma_heap->cma, nr_pages, align, false);
+	if (!pages)
+		return -ENOMEM;
+
+	if (PageHighMem(pages)) {
+		unsigned long nr_clear_pages = nr_pages;
+		struct page *page = pages;
+
+		while (nr_clear_pages > 0) {
+			void *vaddr = kmap_atomic(page);
+
+			memset(vaddr, 0, PAGE_SIZE);
+			kunmap_atomic(vaddr);
+			page++;
+			nr_clear_pages--;
+		}
+	} else {
+		memset(page_address(pages), 0, size);
+	}
+
+	table = kmalloc(sizeof(*table), GFP_KERNEL);
+	if (!table)
+		goto err;
+
+	ret = sg_alloc_table(table, 1, GFP_KERNEL);
+	if (ret)
+		goto free_mem;
+
+	sg_set_page(table->sgl, pages, size, 0);
+
+	buffer->priv_virt = pages;
+	buffer->sg_table = table;
+
+	ion_buffer_prep_noncached(buffer);
+
+	return 0;
+
+free_mem:
+	kfree(table);
+err:
+	cma_release(cma_heap->cma, pages, nr_pages);
+	return -ENOMEM;
+}
+
+static void ion_cma_free(struct ion_buffer *buffer)
+{
+	struct ion_cma_heap *cma_heap = to_cma_heap(buffer->heap);
+	struct page *pages = buffer->priv_virt;
+	unsigned long nr_pages = PAGE_ALIGN(buffer->size) >> PAGE_SHIFT;
+
+	/* release memory */
+	cma_release(cma_heap->cma, pages, nr_pages);
+	/* release sg table */
+	sg_free_table(buffer->sg_table);
+	kfree(buffer->sg_table);
+}
+
+static struct ion_heap_ops ion_cma_ops = {
+	.allocate = ion_cma_allocate,
+	.free = ion_cma_free,
+};
+
+static int __ion_add_cma_heap(struct cma *cma, void *data)
+{
+	int *cma_nr = data;
+	struct ion_cma_heap *cma_heap;
+	int ret;
+
+	if (*cma_nr >= MAX_CMA_AREAS)
+		return -EINVAL;
+
+	cma_heap = &cma_heaps[*cma_nr];
+	cma_heap->heap.ops = &ion_cma_ops;
+	cma_heap->heap.type = ION_HEAP_TYPE_DMA;
+	cma_heap->heap.name = cma_get_name(cma);
+
+	ret = ion_device_add_heap(&cma_heap->heap);
+	if (ret)
+		goto out;
+
+	cma_heap->cma = cma;
+	*cma_nr += 1;
+out:
+	return 0;
+}
+
+static int __init ion_cma_heap_init(void)
+{
+	int ret;
+	int nr = 0;
+
+	ret = cma_for_each_area(__ion_add_cma_heap, &nr);
+	if (ret) {
+		for (nr = 0; nr < MAX_CMA_AREAS && cma_heaps[nr].cma; nr++)
+			ion_device_remove_heap(&cma_heaps[nr].heap);
+	}
+
+	return ret;
+}
+
+static void __exit ion_cma_heap_exit(void)
+{
+	int nr;
+
+	for (nr = 0; nr < MAX_CMA_AREAS && cma_heaps[nr].cma; nr++)
+		ion_device_remove_heap(&cma_heaps[nr].heap);
+}
+
+module_init(ion_cma_heap_init);
+module_exit(ion_cma_heap_exit);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/android/ion/heaps/ion_page_pool.c b/drivers/staging/android/ion/heaps/ion_page_pool.c
new file mode 100644
index 0000000..efd6ce4
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/ion_page_pool.c
@@ -0,0 +1,172 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ION Memory Allocator page pool helpers
+ *
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/swap.h>
+#include <linux/sched/signal.h>
+
+#include "ion_page_pool.h"
+
+static inline struct page *ion_page_pool_alloc_pages(struct ion_page_pool *pool)
+{
+	if (fatal_signal_pending(current))
+		return NULL;
+	return alloc_pages(pool->gfp_mask, pool->order);
+}
+
+static void ion_page_pool_free_pages(struct ion_page_pool *pool,
+				     struct page *page)
+{
+	__free_pages(page, pool->order);
+}
+
+static void ion_page_pool_add(struct ion_page_pool *pool, struct page *page)
+{
+	mutex_lock(&pool->mutex);
+	if (PageHighMem(page)) {
+		list_add_tail(&page->lru, &pool->high_items);
+		pool->high_count++;
+	} else {
+		list_add_tail(&page->lru, &pool->low_items);
+		pool->low_count++;
+	}
+
+	mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
+			    1 << pool->order);
+	mutex_unlock(&pool->mutex);
+}
+
+static struct page *ion_page_pool_remove(struct ion_page_pool *pool, bool high)
+{
+	struct page *page;
+
+	if (high) {
+		BUG_ON(!pool->high_count);
+		page = list_first_entry(&pool->high_items, struct page, lru);
+		pool->high_count--;
+	} else {
+		BUG_ON(!pool->low_count);
+		page = list_first_entry(&pool->low_items, struct page, lru);
+		pool->low_count--;
+	}
+
+	list_del(&page->lru);
+	mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
+			    -(1 << pool->order));
+	return page;
+}
+
+struct page *ion_page_pool_alloc(struct ion_page_pool *pool)
+{
+	struct page *page = NULL;
+
+	BUG_ON(!pool);
+
+	mutex_lock(&pool->mutex);
+	if (pool->high_count)
+		page = ion_page_pool_remove(pool, true);
+	else if (pool->low_count)
+		page = ion_page_pool_remove(pool, false);
+	mutex_unlock(&pool->mutex);
+
+	if (!page)
+		page = ion_page_pool_alloc_pages(pool);
+
+	return page;
+}
+EXPORT_SYMBOL_GPL(ion_page_pool_alloc);
+
+void ion_page_pool_free(struct ion_page_pool *pool, struct page *page)
+{
+	BUG_ON(pool->order != compound_order(page));
+
+	ion_page_pool_add(pool, page);
+}
+EXPORT_SYMBOL_GPL(ion_page_pool_free);
+
+static int ion_page_pool_total(struct ion_page_pool *pool, bool high)
+{
+	int count = pool->low_count;
+
+	if (high)
+		count += pool->high_count;
+
+	return count << pool->order;
+}
+
+int ion_page_pool_nr_pages(struct ion_page_pool *pool)
+{
+	int nr_total_pages;
+
+	mutex_lock(&pool->mutex);
+	nr_total_pages = ion_page_pool_total(pool, true);
+	mutex_unlock(&pool->mutex);
+
+	return nr_total_pages;
+}
+EXPORT_SYMBOL_GPL(ion_page_pool_nr_pages);
+
+int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
+			 int nr_to_scan)
+{
+	int freed = 0;
+	bool high;
+
+	if (current_is_kswapd())
+		high = true;
+	else
+		high = !!(gfp_mask & __GFP_HIGHMEM);
+
+	if (nr_to_scan == 0)
+		return ion_page_pool_total(pool, high);
+
+	while (freed < nr_to_scan) {
+		struct page *page;
+
+		mutex_lock(&pool->mutex);
+		if (pool->low_count) {
+			page = ion_page_pool_remove(pool, false);
+		} else if (high && pool->high_count) {
+			page = ion_page_pool_remove(pool, true);
+		} else {
+			mutex_unlock(&pool->mutex);
+			break;
+		}
+		mutex_unlock(&pool->mutex);
+		ion_page_pool_free_pages(pool, page);
+		freed += (1 << pool->order);
+	}
+
+	return freed;
+}
+EXPORT_SYMBOL_GPL(ion_page_pool_shrink);
+
+struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order)
+{
+	struct ion_page_pool *pool = kmalloc(sizeof(*pool), GFP_KERNEL);
+
+	if (!pool)
+		return NULL;
+	pool->high_count = 0;
+	pool->low_count = 0;
+	INIT_LIST_HEAD(&pool->low_items);
+	INIT_LIST_HEAD(&pool->high_items);
+	pool->gfp_mask = gfp_mask | __GFP_COMP;
+	pool->order = order;
+	mutex_init(&pool->mutex);
+	plist_node_init(&pool->list, order);
+
+	return pool;
+}
+EXPORT_SYMBOL_GPL(ion_page_pool_create);
+
+void ion_page_pool_destroy(struct ion_page_pool *pool)
+{
+	kfree(pool);
+}
+EXPORT_SYMBOL_GPL(ion_page_pool_destroy);
diff --git a/drivers/staging/android/ion/heaps/ion_page_pool.h b/drivers/staging/android/ion/heaps/ion_page_pool.h
new file mode 100644
index 0000000..10c7909
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/ion_page_pool.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ION Page Pool kernel interface header
+ *
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#ifndef _ION_PAGE_POOL_H
+#define _ION_PAGE_POOL_H
+
+#include <linux/mm_types.h>
+#include <linux/mutex.h>
+#include <linux/shrinker.h>
+#include <linux/types.h>
+
+/**
+ * functions for creating and destroying a heap pool -- allows you
+ * to keep a pool of pre allocated memory to use from your heap.  Keeping
+ * a pool of memory that is ready for dma, ie any cached mapping have been
+ * invalidated from the cache, provides a significant performance benefit on
+ * many systems
+ */
+
+/**
+ * struct ion_page_pool - pagepool struct
+ * @high_count:		number of highmem items in the pool
+ * @low_count:		number of lowmem items in the pool
+ * @high_items:		list of highmem items
+ * @low_items:		list of lowmem items
+ * @mutex:		lock protecting this struct and especially the count
+ *			item list
+ * @gfp_mask:		gfp_mask to use from alloc
+ * @order:		order of pages in the pool
+ * @list:		plist node for list of pools
+ *
+ * Allows you to keep a pool of pre allocated pages to use from your heap.
+ * Keeping a pool of pages that is ready for dma, ie any cached mapping have
+ * been invalidated from the cache, provides a significant performance benefit
+ * on many systems
+ */
+struct ion_page_pool {
+	int high_count;
+	int low_count;
+	struct list_head high_items;
+	struct list_head low_items;
+	struct mutex mutex;
+	gfp_t gfp_mask;
+	unsigned int order;
+	struct plist_node list;
+};
+
+struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order);
+void ion_page_pool_destroy(struct ion_page_pool *pool);
+struct page *ion_page_pool_alloc(struct ion_page_pool *pool);
+void ion_page_pool_free(struct ion_page_pool *pool, struct page *page);
+int ion_page_pool_nr_pages(struct ion_page_pool *pool);
+
+/** ion_page_pool_shrink - shrinks the size of the memory cached in the pool
+ * @pool:		the pool
+ * @gfp_mask:		the memory type to reclaim
+ * @nr_to_scan:		number of items to shrink in pages
+ *
+ * returns the number of items freed in pages
+ */
+int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
+			 int nr_to_scan);
+#endif /* _ION_PAGE_POOL_H */
diff --git a/drivers/staging/android/ion/heaps/ion_system_heap.c b/drivers/staging/android/ion/heaps/ion_system_heap.c
new file mode 100644
index 0000000..fc63049
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/ion_system_heap.c
@@ -0,0 +1,290 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ION Memory Allocator system heap exporter
+ *
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#include <asm/page.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/highmem.h>
+#include <linux/ion.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include "ion_page_pool.h"
+
+#define NUM_ORDERS ARRAY_SIZE(orders)
+
+static gfp_t high_order_gfp_flags = (GFP_HIGHUSER | __GFP_ZERO | __GFP_NOWARN |
+				     __GFP_NORETRY) & ~__GFP_RECLAIM;
+static gfp_t low_order_gfp_flags  = GFP_HIGHUSER | __GFP_ZERO;
+static const unsigned int orders[] = {8, 4, 0};
+
+static int order_to_index(unsigned int order)
+{
+	int i;
+
+	for (i = 0; i < NUM_ORDERS; i++)
+		if (order == orders[i])
+			return i;
+	BUG();
+	return -1;
+}
+
+static inline unsigned int order_to_size(int order)
+{
+	return PAGE_SIZE << order;
+}
+
+struct ion_system_heap {
+	struct ion_heap heap;
+	struct ion_page_pool *pools[NUM_ORDERS];
+};
+
+static struct page *alloc_buffer_page(struct ion_system_heap *heap,
+				      struct ion_buffer *buffer,
+				      unsigned long order)
+{
+	struct ion_page_pool *pool = heap->pools[order_to_index(order)];
+
+	return ion_page_pool_alloc(pool);
+}
+
+static void free_buffer_page(struct ion_system_heap *heap,
+			     struct ion_buffer *buffer, struct page *page)
+{
+	struct ion_page_pool *pool;
+	unsigned int order = compound_order(page);
+
+	/* go to system */
+	if (buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE) {
+		__free_pages(page, order);
+		return;
+	}
+
+	pool = heap->pools[order_to_index(order)];
+
+	ion_page_pool_free(pool, page);
+}
+
+static struct page *alloc_largest_available(struct ion_system_heap *heap,
+					    struct ion_buffer *buffer,
+					    unsigned long size,
+					    unsigned int max_order)
+{
+	struct page *page;
+	int i;
+
+	for (i = 0; i < NUM_ORDERS; i++) {
+		if (size < order_to_size(orders[i]))
+			continue;
+		if (max_order < orders[i])
+			continue;
+
+		page = alloc_buffer_page(heap, buffer, orders[i]);
+		if (!page)
+			continue;
+
+		return page;
+	}
+
+	return NULL;
+}
+
+static int ion_system_heap_allocate(struct ion_heap *heap,
+				    struct ion_buffer *buffer,
+				    unsigned long size,
+				    unsigned long flags)
+{
+	struct ion_system_heap *sys_heap = container_of(heap,
+							struct ion_system_heap,
+							heap);
+	struct sg_table *table;
+	struct scatterlist *sg;
+	struct list_head pages;
+	struct page *page, *tmp_page;
+	int i = 0;
+	unsigned long size_remaining = PAGE_ALIGN(size);
+	unsigned int max_order = orders[0];
+
+	if (size / PAGE_SIZE > totalram_pages() / 2)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&pages);
+	while (size_remaining > 0) {
+		page = alloc_largest_available(sys_heap, buffer, size_remaining,
+					       max_order);
+		if (!page)
+			goto free_pages;
+		list_add_tail(&page->lru, &pages);
+		size_remaining -= page_size(page);
+		max_order = compound_order(page);
+		i++;
+	}
+	table = kmalloc(sizeof(*table), GFP_KERNEL);
+	if (!table)
+		goto free_pages;
+
+	if (sg_alloc_table(table, i, GFP_KERNEL))
+		goto free_table;
+
+	sg = table->sgl;
+	list_for_each_entry_safe(page, tmp_page, &pages, lru) {
+		sg_set_page(sg, page, page_size(page), 0);
+		sg = sg_next(sg);
+		list_del(&page->lru);
+	}
+
+	buffer->sg_table = table;
+
+	ion_buffer_prep_noncached(buffer);
+
+	return 0;
+
+free_table:
+	kfree(table);
+free_pages:
+	list_for_each_entry_safe(page, tmp_page, &pages, lru)
+		free_buffer_page(sys_heap, buffer, page);
+	return -ENOMEM;
+}
+
+static void ion_system_heap_free(struct ion_buffer *buffer)
+{
+	struct ion_system_heap *sys_heap = container_of(buffer->heap,
+							struct ion_system_heap,
+							heap);
+	struct sg_table *table = buffer->sg_table;
+	struct scatterlist *sg;
+	int i;
+
+	/* zero the buffer before goto page pool */
+	if (!(buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE))
+		ion_buffer_zero(buffer);
+
+	for_each_sgtable_sg(table, sg, i)
+		free_buffer_page(sys_heap, buffer, sg_page(sg));
+	sg_free_table(table);
+	kfree(table);
+}
+
+static int ion_system_heap_shrink(struct ion_heap *heap, gfp_t gfp_mask,
+				  int nr_to_scan)
+{
+	struct ion_page_pool *pool;
+	struct ion_system_heap *sys_heap;
+	int nr_total = 0;
+	int i, nr_freed;
+	int only_scan = 0;
+
+	sys_heap = container_of(heap, struct ion_system_heap, heap);
+
+	if (!nr_to_scan)
+		only_scan = 1;
+
+	for (i = 0; i < NUM_ORDERS; i++) {
+		pool = sys_heap->pools[i];
+
+		if (only_scan) {
+			nr_total += ion_page_pool_shrink(pool,
+							 gfp_mask,
+							 nr_to_scan);
+
+		} else {
+			nr_freed = ion_page_pool_shrink(pool,
+							gfp_mask,
+							nr_to_scan);
+			nr_to_scan -= nr_freed;
+			nr_total += nr_freed;
+			if (nr_to_scan <= 0)
+				break;
+		}
+	}
+	return nr_total;
+}
+
+static long ion_system_get_pool_size(struct ion_heap *heap)
+{
+	struct ion_system_heap *sys_heap;
+	long total_pages = 0;
+	int i;
+
+	sys_heap = container_of(heap, struct ion_system_heap, heap);
+	for (i = 0; i < NUM_ORDERS; i++)
+		total_pages += ion_page_pool_nr_pages(sys_heap->pools[i]);
+
+	return total_pages;
+}
+
+static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
+{
+	int i;
+
+	for (i = 0; i < NUM_ORDERS; i++)
+		if (pools[i])
+			ion_page_pool_destroy(pools[i]);
+}
+
+static int ion_system_heap_create_pools(struct ion_page_pool **pools)
+{
+	int i;
+
+	for (i = 0; i < NUM_ORDERS; i++) {
+		struct ion_page_pool *pool;
+		gfp_t gfp_flags = low_order_gfp_flags;
+
+		if (orders[i] > 4)
+			gfp_flags = high_order_gfp_flags;
+
+		pool = ion_page_pool_create(gfp_flags, orders[i]);
+		if (!pool)
+			goto err_create_pool;
+		pools[i] = pool;
+	}
+
+	return 0;
+
+err_create_pool:
+	ion_system_heap_destroy_pools(pools);
+	return -ENOMEM;
+}
+
+static struct ion_heap_ops system_heap_ops = {
+	.allocate = ion_system_heap_allocate,
+	.free = ion_system_heap_free,
+	.shrink = ion_system_heap_shrink,
+	.get_pool_size = ion_system_get_pool_size,
+};
+
+static struct ion_system_heap system_heap = {
+	.heap = {
+		.ops = &system_heap_ops,
+		.type = ION_HEAP_TYPE_SYSTEM,
+		.flags = ION_HEAP_FLAG_DEFER_FREE,
+		.name = "ion_system_heap",
+	}
+};
+
+static int __init ion_system_heap_init(void)
+{
+	int ret = ion_system_heap_create_pools(system_heap.pools);
+	if (ret)
+		return ret;
+
+	return ion_device_add_heap(&system_heap.heap);
+}
+
+static void __exit ion_system_heap_exit(void)
+{
+	ion_device_remove_heap(&system_heap.heap);
+	ion_system_heap_destroy_pools(system_heap.pools);
+}
+
+module_init(ion_system_heap_init);
+module_exit(ion_system_heap_exit);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index e6d4a3e..268c461 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -3,8 +3,11 @@
  * ION Memory Allocator
  *
  * Copyright (C) 2011 Google, Inc.
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ *
  */
 
+#include <linux/bitmap.h>
 #include <linux/debugfs.h>
 #include <linux/device.h>
 #include <linux/dma-buf.h>
@@ -15,379 +18,42 @@
 #include <linux/fs.h>
 #include <linux/kthread.h>
 #include <linux/list.h>
-#include <linux/miscdevice.h>
 #include <linux/mm.h>
 #include <linux/mm_types.h>
 #include <linux/rbtree.h>
 #include <linux/sched/task.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
-#include <linux/vmalloc.h>
 
-#include "ion.h"
+#include "ion_private.h"
+
+#define ION_CURRENT_ABI_VERSION  2
 
 static struct ion_device *internal_dev;
-static int heap_id;
 
-/* this function should only be called while dev->lock is held */
-static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
-					    struct ion_device *dev,
-					    unsigned long len,
-					    unsigned long flags)
+/* Entry into ION allocator for rest of the kernel */
+struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
+			  unsigned int flags)
 {
-	struct ion_buffer *buffer;
-	int ret;
-
-	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
-	if (!buffer)
-		return ERR_PTR(-ENOMEM);
-
-	buffer->heap = heap;
-	buffer->flags = flags;
-	buffer->dev = dev;
-	buffer->size = len;
-
-	ret = heap->ops->allocate(heap, buffer, len, flags);
-
-	if (ret) {
-		if (!(heap->flags & ION_HEAP_FLAG_DEFER_FREE))
-			goto err2;
-
-		ion_heap_freelist_drain(heap, 0);
-		ret = heap->ops->allocate(heap, buffer, len, flags);
-		if (ret)
-			goto err2;
-	}
-
-	if (!buffer->sg_table) {
-		WARN_ONCE(1, "This heap needs to set the sgtable");
-		ret = -EINVAL;
-		goto err1;
-	}
-
-	spin_lock(&heap->stat_lock);
-	heap->num_of_buffers++;
-	heap->num_of_alloc_bytes += len;
-	if (heap->num_of_alloc_bytes > heap->alloc_bytes_wm)
-		heap->alloc_bytes_wm = heap->num_of_alloc_bytes;
-	spin_unlock(&heap->stat_lock);
-
-	INIT_LIST_HEAD(&buffer->attachments);
-	mutex_init(&buffer->lock);
-	return buffer;
-
-err1:
-	heap->ops->free(buffer);
-err2:
-	kfree(buffer);
-	return ERR_PTR(ret);
+	return ion_dmabuf_alloc(internal_dev, len, heap_id_mask, flags);
 }
+EXPORT_SYMBOL_GPL(ion_alloc);
 
-void ion_buffer_destroy(struct ion_buffer *buffer)
+int ion_free(struct ion_buffer *buffer)
 {
-	if (buffer->kmap_cnt > 0) {
-		pr_warn_once("%s: buffer still mapped in the kernel\n",
-			     __func__);
-		buffer->heap->ops->unmap_kernel(buffer->heap, buffer);
-	}
-	buffer->heap->ops->free(buffer);
-	spin_lock(&buffer->heap->stat_lock);
-	buffer->heap->num_of_buffers--;
-	buffer->heap->num_of_alloc_bytes -= buffer->size;
-	spin_unlock(&buffer->heap->stat_lock);
-
-	kfree(buffer);
+	return ion_buffer_destroy(internal_dev, buffer);
 }
+EXPORT_SYMBOL_GPL(ion_free);
 
-static void _ion_buffer_destroy(struct ion_buffer *buffer)
+static int ion_alloc_fd(size_t len, unsigned int heap_id_mask,
+			unsigned int flags)
 {
-	struct ion_heap *heap = buffer->heap;
-
-	if (heap->flags & ION_HEAP_FLAG_DEFER_FREE)
-		ion_heap_freelist_add(heap, buffer);
-	else
-		ion_buffer_destroy(buffer);
-}
-
-static void *ion_buffer_kmap_get(struct ion_buffer *buffer)
-{
-	void *vaddr;
-
-	if (buffer->kmap_cnt) {
-		if (buffer->kmap_cnt == INT_MAX)
-			return ERR_PTR(-EOVERFLOW);
-
-		buffer->kmap_cnt++;
-		return buffer->vaddr;
-	}
-	vaddr = buffer->heap->ops->map_kernel(buffer->heap, buffer);
-	if (WARN_ONCE(!vaddr,
-		      "heap->ops->map_kernel should return ERR_PTR on error"))
-		return ERR_PTR(-EINVAL);
-	if (IS_ERR(vaddr))
-		return vaddr;
-	buffer->vaddr = vaddr;
-	buffer->kmap_cnt++;
-	return vaddr;
-}
-
-static void ion_buffer_kmap_put(struct ion_buffer *buffer)
-{
-	buffer->kmap_cnt--;
-	if (!buffer->kmap_cnt) {
-		buffer->heap->ops->unmap_kernel(buffer->heap, buffer);
-		buffer->vaddr = NULL;
-	}
-}
-
-static struct sg_table *dup_sg_table(struct sg_table *table)
-{
-	struct sg_table *new_table;
-	int ret, i;
-	struct scatterlist *sg, *new_sg;
-
-	new_table = kzalloc(sizeof(*new_table), GFP_KERNEL);
-	if (!new_table)
-		return ERR_PTR(-ENOMEM);
-
-	ret = sg_alloc_table(new_table, table->orig_nents, GFP_KERNEL);
-	if (ret) {
-		kfree(new_table);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	new_sg = new_table->sgl;
-	for_each_sgtable_sg(table, sg, i) {
-		memcpy(new_sg, sg, sizeof(*sg));
-		new_sg->dma_address = 0;
-		new_sg = sg_next(new_sg);
-	}
-
-	return new_table;
-}
-
-static void free_duped_table(struct sg_table *table)
-{
-	sg_free_table(table);
-	kfree(table);
-}
-
-struct ion_dma_buf_attachment {
-	struct device *dev;
-	struct sg_table *table;
-	struct list_head list;
-};
-
-static int ion_dma_buf_attach(struct dma_buf *dmabuf,
-			      struct dma_buf_attachment *attachment)
-{
-	struct ion_dma_buf_attachment *a;
-	struct sg_table *table;
-	struct ion_buffer *buffer = dmabuf->priv;
-
-	a = kzalloc(sizeof(*a), GFP_KERNEL);
-	if (!a)
-		return -ENOMEM;
-
-	table = dup_sg_table(buffer->sg_table);
-	if (IS_ERR(table)) {
-		kfree(a);
-		return -ENOMEM;
-	}
-
-	a->table = table;
-	a->dev = attachment->dev;
-	INIT_LIST_HEAD(&a->list);
-
-	attachment->priv = a;
-
-	mutex_lock(&buffer->lock);
-	list_add(&a->list, &buffer->attachments);
-	mutex_unlock(&buffer->lock);
-
-	return 0;
-}
-
-static void ion_dma_buf_detach(struct dma_buf *dmabuf,
-			       struct dma_buf_attachment *attachment)
-{
-	struct ion_dma_buf_attachment *a = attachment->priv;
-	struct ion_buffer *buffer = dmabuf->priv;
-
-	mutex_lock(&buffer->lock);
-	list_del(&a->list);
-	mutex_unlock(&buffer->lock);
-	free_duped_table(a->table);
-
-	kfree(a);
-}
-
-static struct sg_table *ion_map_dma_buf(struct dma_buf_attachment *attachment,
-					enum dma_data_direction direction)
-{
-	struct ion_dma_buf_attachment *a = attachment->priv;
-	struct sg_table *table;
-	int ret;
-
-	table = a->table;
-
-	ret = dma_map_sgtable(attachment->dev, table, direction, 0);
-	if (ret)
-		return ERR_PTR(ret);
-
-	return table;
-}
-
-static void ion_unmap_dma_buf(struct dma_buf_attachment *attachment,
-			      struct sg_table *table,
-			      enum dma_data_direction direction)
-{
-	dma_unmap_sgtable(attachment->dev, table, direction, 0);
-}
-
-static int ion_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
-{
-	struct ion_buffer *buffer = dmabuf->priv;
-	int ret = 0;
-
-	if (!buffer->heap->ops->map_user) {
-		pr_err("%s: this heap does not define a method for mapping to userspace\n",
-		       __func__);
-		return -EINVAL;
-	}
-
-	if (!(buffer->flags & ION_FLAG_CACHED))
-		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-
-	mutex_lock(&buffer->lock);
-	/* now map it to userspace */
-	ret = buffer->heap->ops->map_user(buffer->heap, buffer, vma);
-	mutex_unlock(&buffer->lock);
-
-	if (ret)
-		pr_err("%s: failure mapping buffer to userspace\n",
-		       __func__);
-
-	return ret;
-}
-
-static void ion_dma_buf_release(struct dma_buf *dmabuf)
-{
-	struct ion_buffer *buffer = dmabuf->priv;
-
-	_ion_buffer_destroy(buffer);
-}
-
-static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
-					enum dma_data_direction direction)
-{
-	struct ion_buffer *buffer = dmabuf->priv;
-	void *vaddr;
-	struct ion_dma_buf_attachment *a;
-	int ret = 0;
-
-	/*
-	 * TODO: Move this elsewhere because we don't always need a vaddr
-	 */
-	if (buffer->heap->ops->map_kernel) {
-		mutex_lock(&buffer->lock);
-		vaddr = ion_buffer_kmap_get(buffer);
-		if (IS_ERR(vaddr)) {
-			ret = PTR_ERR(vaddr);
-			goto unlock;
-		}
-		mutex_unlock(&buffer->lock);
-	}
-
-	mutex_lock(&buffer->lock);
-	list_for_each_entry(a, &buffer->attachments, list)
-		dma_sync_sgtable_for_cpu(a->dev, a->table, direction);
-
-unlock:
-	mutex_unlock(&buffer->lock);
-	return ret;
-}
-
-static int ion_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
-				      enum dma_data_direction direction)
-{
-	struct ion_buffer *buffer = dmabuf->priv;
-	struct ion_dma_buf_attachment *a;
-
-	if (buffer->heap->ops->map_kernel) {
-		mutex_lock(&buffer->lock);
-		ion_buffer_kmap_put(buffer);
-		mutex_unlock(&buffer->lock);
-	}
-
-	mutex_lock(&buffer->lock);
-	list_for_each_entry(a, &buffer->attachments, list)
-		dma_sync_sgtable_for_device(a->dev, a->table, direction);
-	mutex_unlock(&buffer->lock);
-
-	return 0;
-}
-
-static const struct dma_buf_ops dma_buf_ops = {
-	.map_dma_buf = ion_map_dma_buf,
-	.unmap_dma_buf = ion_unmap_dma_buf,
-	.mmap = ion_mmap,
-	.release = ion_dma_buf_release,
-	.attach = ion_dma_buf_attach,
-	.detach = ion_dma_buf_detach,
-	.begin_cpu_access = ion_dma_buf_begin_cpu_access,
-	.end_cpu_access = ion_dma_buf_end_cpu_access,
-};
-
-static int ion_alloc(size_t len, unsigned int heap_id_mask, unsigned int flags)
-{
-	struct ion_device *dev = internal_dev;
-	struct ion_buffer *buffer = NULL;
-	struct ion_heap *heap;
-	DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
 	int fd;
 	struct dma_buf *dmabuf;
 
-	pr_debug("%s: len %zu heap_id_mask %u flags %x\n", __func__,
-		 len, heap_id_mask, flags);
-	/*
-	 * traverse the list of heaps available in this system in priority
-	 * order.  If the heap type is supported by the client, and matches the
-	 * request of the caller allocate from it.  Repeat until allocate has
-	 * succeeded or all heaps have been tried
-	 */
-	len = PAGE_ALIGN(len);
-
-	if (!len)
-		return -EINVAL;
-
-	down_read(&dev->lock);
-	plist_for_each_entry(heap, &dev->heaps, node) {
-		/* if the caller didn't specify this heap id */
-		if (!((1 << heap->id) & heap_id_mask))
-			continue;
-		buffer = ion_buffer_create(heap, dev, len, flags);
-		if (!IS_ERR(buffer))
-			break;
-	}
-	up_read(&dev->lock);
-
-	if (!buffer)
-		return -ENODEV;
-
-	if (IS_ERR(buffer))
-		return PTR_ERR(buffer);
-
-	exp_info.ops = &dma_buf_ops;
-	exp_info.size = buffer->size;
-	exp_info.flags = O_RDWR;
-	exp_info.priv = buffer;
-
-	dmabuf = dma_buf_export(&exp_info);
-	if (IS_ERR(dmabuf)) {
-		_ion_buffer_destroy(buffer);
+	dmabuf = ion_dmabuf_alloc(internal_dev, len, heap_id_mask, flags);
+	if (IS_ERR(dmabuf))
 		return PTR_ERR(dmabuf);
-	}
 
 	fd = dma_buf_fd(dmabuf, O_CLOEXEC);
 	if (fd < 0)
@@ -396,6 +62,38 @@
 	return fd;
 }
 
+size_t ion_query_heaps_kernel(struct ion_heap_data *hdata, size_t size)
+{
+	struct ion_device *dev = internal_dev;
+	size_t i = 0, num_heaps = 0;
+	struct ion_heap *heap;
+
+	down_read(&dev->lock);
+
+	// If size is 0, return without updating hdata.
+	if (size == 0) {
+		num_heaps = dev->heap_cnt;
+		goto out;
+	}
+
+	plist_for_each_entry(heap, &dev->heaps, node) {
+		strncpy(hdata[i].name, heap->name, MAX_HEAP_NAME);
+		hdata[i].name[MAX_HEAP_NAME - 1] = '\0';
+		hdata[i].type = heap->type;
+		hdata[i].heap_id = heap->id;
+
+		i++;
+		if (i >= size)
+			break;
+	}
+
+	num_heaps = i;
+out:
+	up_read(&dev->lock);
+	return num_heaps;
+}
+EXPORT_SYMBOL_GPL(ion_query_heaps_kernel);
+
 static int ion_query_heaps(struct ion_heap_query *query)
 {
 	struct ion_device *dev = internal_dev;
@@ -444,6 +142,7 @@
 union ion_ioctl_arg {
 	struct ion_allocation_data allocation;
 	struct ion_heap_query query;
+	u32 ion_abi_version;
 };
 
 static int validate_ioctl_arg(unsigned int cmd, union ion_ioctl_arg *arg)
@@ -492,9 +191,9 @@
 	{
 		int fd;
 
-		fd = ion_alloc(data.allocation.len,
-			       data.allocation.heap_id_mask,
-			       data.allocation.flags);
+		fd = ion_alloc_fd(data.allocation.len,
+				  data.allocation.heap_id_mask,
+				  data.allocation.flags);
 		if (fd < 0)
 			return fd;
 
@@ -505,6 +204,9 @@
 	case ION_IOC_HEAP_QUERY:
 		ret = ion_query_heaps(&data.query);
 		break;
+	case ION_IOC_ABI_VERSION:
+		data.ion_abi_version = ION_CURRENT_ABI_VERSION;
+		break;
 	default:
 		return -ENOTTY;
 	}
@@ -557,31 +259,88 @@
 DEFINE_SIMPLE_ATTRIBUTE(debug_shrink_fops, debug_shrink_get,
 			debug_shrink_set, "%llu\n");
 
-void ion_device_add_heap(struct ion_heap *heap)
+static int ion_assign_heap_id(struct ion_heap *heap, struct ion_device *dev)
+{
+	int id_bit = -EINVAL;
+	int start_bit = -1, end_bit = -1;
+
+	switch (heap->type) {
+	case ION_HEAP_TYPE_SYSTEM:
+		id_bit = __ffs(ION_HEAP_SYSTEM);
+		break;
+	case ION_HEAP_TYPE_DMA:
+		start_bit = __ffs(ION_HEAP_DMA_START);
+		end_bit = __ffs(ION_HEAP_DMA_END);
+		break;
+	case ION_HEAP_TYPE_CUSTOM ... ION_HEAP_TYPE_MAX:
+		start_bit = __ffs(ION_HEAP_CUSTOM_START);
+		end_bit = __ffs(ION_HEAP_CUSTOM_END);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* For carveout, dma & custom heaps, we first let the heaps choose their
+	 * own IDs. This allows the old behaviour of knowing the heap ids
+	 * of these type of heaps  in advance in user space. If a heap with
+	 * that ID already exists, it is an error.
+	 *
+	 * If the heap hasn't picked an id by itself, then we assign it
+	 * one.
+	 */
+	if (id_bit < 0) {
+		if (heap->id) {
+			id_bit = __ffs(heap->id);
+			if (id_bit < start_bit || id_bit > end_bit)
+				return -EINVAL;
+		} else {
+			id_bit = find_next_zero_bit(dev->heap_ids, end_bit + 1,
+						    start_bit);
+			if (id_bit > end_bit)
+				return -ENOSPC;
+		}
+	}
+
+	if (test_and_set_bit(id_bit, dev->heap_ids))
+		return -EEXIST;
+	heap->id = id_bit;
+	dev->heap_cnt++;
+
+	return 0;
+}
+
+int __ion_device_add_heap(struct ion_heap *heap, struct module *owner)
 {
 	struct ion_device *dev = internal_dev;
 	int ret;
 	struct dentry *heap_root;
 	char debug_name[64];
 
-	if (!heap->ops->allocate || !heap->ops->free)
-		pr_err("%s: can not add heap with invalid ops struct.\n",
-		       __func__);
+	if (!heap || !heap->ops || !heap->ops->allocate || !heap->ops->free) {
+		pr_err("%s: invalid heap or heap_ops\n", __func__);
+		ret = -EINVAL;
+		goto out;
+	}
 
+	heap->owner = owner;
 	spin_lock_init(&heap->free_lock);
 	spin_lock_init(&heap->stat_lock);
 	heap->free_list_size = 0;
 
-	if (heap->flags & ION_HEAP_FLAG_DEFER_FREE)
-		ion_heap_init_deferred_free(heap);
+	if (heap->flags & ION_HEAP_FLAG_DEFER_FREE) {
+		ret = ion_heap_init_deferred_free(heap);
+		if (ret)
+			goto out_heap_cleanup;
+	}
 
 	if ((heap->flags & ION_HEAP_FLAG_DEFER_FREE) || heap->ops->shrink) {
 		ret = ion_heap_init_shrinker(heap);
-		if (ret)
+		if (ret) {
 			pr_err("%s: Failed to register shrinker\n", __func__);
+			goto out_heap_cleanup;
+		}
 	}
 
-	heap->dev = dev;
 	heap->num_of_buffers = 0;
 	heap->num_of_alloc_bytes = 0;
 	heap->alloc_bytes_wm = 0;
@@ -609,8 +368,16 @@
 				    &debug_shrink_fops);
 	}
 
+	heap->debugfs_dir = heap_root;
 	down_write(&dev->lock);
-	heap->id = heap_id++;
+	ret = ion_assign_heap_id(heap, dev);
+	if (ret) {
+		pr_err("%s: Failed to assign heap id for heap type %x\n",
+		       __func__, heap->type);
+		up_write(&dev->lock);
+		goto out_debugfs_cleanup;
+	}
+
 	/*
 	 * use negative heap->id to reverse the priority -- when traversing
 	 * the list later attempt higher id numbers first
@@ -618,10 +385,99 @@
 	plist_node_init(&heap->node, -heap->id);
 	plist_add(&heap->node, &dev->heaps);
 
-	dev->heap_cnt++;
+	up_write(&dev->lock);
+
+	return 0;
+
+out_debugfs_cleanup:
+	debugfs_remove_recursive(heap->debugfs_dir);
+out_heap_cleanup:
+	ion_heap_cleanup(heap);
+out:
+	return ret;
+}
+EXPORT_SYMBOL_GPL(__ion_device_add_heap);
+
+void ion_device_remove_heap(struct ion_heap *heap)
+{
+	struct ion_device *dev = internal_dev;
+
+	if (!heap) {
+		pr_err("%s: Invalid argument\n", __func__);
+		return;
+	}
+
+	// take semaphore and remove the heap from dev->heap list
+	down_write(&dev->lock);
+	/* So no new allocations can happen from this heap */
+	plist_del(&heap->node, &dev->heaps);
+	if (ion_heap_cleanup(heap) != 0) {
+		pr_warn("%s: failed to cleanup heap (%s)\n",
+			__func__, heap->name);
+	}
+	debugfs_remove_recursive(heap->debugfs_dir);
+	clear_bit(heap->id, dev->heap_ids);
+	dev->heap_cnt--;
 	up_write(&dev->lock);
 }
-EXPORT_SYMBOL(ion_device_add_heap);
+EXPORT_SYMBOL_GPL(ion_device_remove_heap);
+
+static ssize_t
+total_heaps_kb_show(struct kobject *kobj, struct kobj_attribute *attr,
+		    char *buf)
+{
+	return sprintf(buf, "%llu\n",
+		       div_u64(ion_get_total_heap_bytes(), 1024));
+}
+
+static ssize_t
+total_pools_kb_show(struct kobject *kobj, struct kobj_attribute *attr,
+		    char *buf)
+{
+	struct ion_device *dev = internal_dev;
+	struct ion_heap *heap;
+	u64 total_pages = 0;
+
+	down_read(&dev->lock);
+	plist_for_each_entry(heap, &dev->heaps, node)
+		if (heap->ops->get_pool_size)
+			total_pages += heap->ops->get_pool_size(heap);
+	up_read(&dev->lock);
+
+	return sprintf(buf, "%llu\n", total_pages * (PAGE_SIZE / 1024));
+}
+
+static struct kobj_attribute total_heaps_kb_attr =
+	__ATTR_RO(total_heaps_kb);
+
+static struct kobj_attribute total_pools_kb_attr =
+	__ATTR_RO(total_pools_kb);
+
+static struct attribute *ion_device_attrs[] = {
+	&total_heaps_kb_attr.attr,
+	&total_pools_kb_attr.attr,
+	NULL,
+};
+
+ATTRIBUTE_GROUPS(ion_device);
+
+static int ion_init_sysfs(void)
+{
+	struct kobject *ion_kobj;
+	int ret;
+
+	ion_kobj = kobject_create_and_add("ion", kernel_kobj);
+	if (!ion_kobj)
+		return -ENOMEM;
+
+	ret = sysfs_create_groups(ion_kobj, ion_device_groups);
+	if (ret) {
+		kobject_put(ion_kobj);
+		return ret;
+	}
+
+	return 0;
+}
 
 static int ion_device_create(void)
 {
@@ -639,8 +495,13 @@
 	ret = misc_register(&idev->dev);
 	if (ret) {
 		pr_err("ion: failed to register misc device.\n");
-		kfree(idev);
-		return ret;
+		goto err_reg;
+	}
+
+	ret = ion_init_sysfs();
+	if (ret) {
+		pr_err("ion: failed to add sysfs attributes.\n");
+		goto err_sysfs;
 	}
 
 	idev->debug_root = debugfs_create_dir("ion", NULL);
@@ -648,5 +509,11 @@
 	plist_head_init(&idev->heaps);
 	internal_dev = idev;
 	return 0;
+
+err_sysfs:
+	misc_deregister(&idev->dev);
+err_reg:
+	kfree(idev);
+	return ret;
 }
 subsys_initcall(ion_device_create);
diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h
deleted file mode 100644
index c199e88..0000000
--- a/drivers/staging/android/ion/ion.h
+++ /dev/null
@@ -1,302 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * ION Memory Allocator kernel interface header
- *
- * Copyright (C) 2011 Google, Inc.
- */
-
-#ifndef _ION_H
-#define _ION_H
-
-#include <linux/device.h>
-#include <linux/dma-direction.h>
-#include <linux/kref.h>
-#include <linux/mm_types.h>
-#include <linux/mutex.h>
-#include <linux/rbtree.h>
-#include <linux/sched.h>
-#include <linux/shrinker.h>
-#include <linux/types.h>
-#include <linux/miscdevice.h>
-
-#include "../uapi/ion.h"
-
-/**
- * struct ion_buffer - metadata for a particular buffer
- * @list:		element in list of deferred freeable buffers
- * @dev:		back pointer to the ion_device
- * @heap:		back pointer to the heap the buffer came from
- * @flags:		buffer specific flags
- * @private_flags:	internal buffer specific flags
- * @size:		size of the buffer
- * @priv_virt:		private data to the buffer representable as
- *			a void *
- * @lock:		protects the buffers cnt fields
- * @kmap_cnt:		number of times the buffer is mapped to the kernel
- * @vaddr:		the kernel mapping if kmap_cnt is not zero
- * @sg_table:		the sg table for the buffer
- * @attachments:	list of devices attached to this buffer
- */
-struct ion_buffer {
-	struct list_head list;
-	struct ion_device *dev;
-	struct ion_heap *heap;
-	unsigned long flags;
-	unsigned long private_flags;
-	size_t size;
-	void *priv_virt;
-	struct mutex lock;
-	int kmap_cnt;
-	void *vaddr;
-	struct sg_table *sg_table;
-	struct list_head attachments;
-};
-
-void ion_buffer_destroy(struct ion_buffer *buffer);
-
-/**
- * struct ion_device - the metadata of the ion device node
- * @dev:		the actual misc device
- * @lock:		rwsem protecting the tree of heaps and clients
- */
-struct ion_device {
-	struct miscdevice dev;
-	struct rw_semaphore lock;
-	struct plist_head heaps;
-	struct dentry *debug_root;
-	int heap_cnt;
-};
-
-/**
- * struct ion_heap_ops - ops to operate on a given heap
- * @allocate:		allocate memory
- * @free:		free memory
- * @map_kernel		map memory to the kernel
- * @unmap_kernel	unmap memory to the kernel
- * @map_user		map memory to userspace
- *
- * allocate, phys, and map_user return 0 on success, -errno on error.
- * map_dma and map_kernel return pointer on success, ERR_PTR on
- * error. @free will be called with ION_PRIV_FLAG_SHRINKER_FREE set in
- * the buffer's private_flags when called from a shrinker. In that
- * case, the pages being free'd must be truly free'd back to the
- * system, not put in a page pool or otherwise cached.
- */
-struct ion_heap_ops {
-	int (*allocate)(struct ion_heap *heap,
-			struct ion_buffer *buffer, unsigned long len,
-			unsigned long flags);
-	void (*free)(struct ion_buffer *buffer);
-	void * (*map_kernel)(struct ion_heap *heap, struct ion_buffer *buffer);
-	void (*unmap_kernel)(struct ion_heap *heap, struct ion_buffer *buffer);
-	int (*map_user)(struct ion_heap *mapper, struct ion_buffer *buffer,
-			struct vm_area_struct *vma);
-	int (*shrink)(struct ion_heap *heap, gfp_t gfp_mask, int nr_to_scan);
-};
-
-/**
- * heap flags - flags between the heaps and core ion code
- */
-#define ION_HEAP_FLAG_DEFER_FREE BIT(0)
-
-/**
- * private flags - flags internal to ion
- */
-/*
- * Buffer is being freed from a shrinker function. Skip any possible
- * heap-specific caching mechanism (e.g. page pools). Guarantees that
- * any buffer storage that came from the system allocator will be
- * returned to the system allocator.
- */
-#define ION_PRIV_FLAG_SHRINKER_FREE BIT(0)
-
-/**
- * struct ion_heap - represents a heap in the system
- * @node:		rb node to put the heap on the device's tree of heaps
- * @dev:		back pointer to the ion_device
- * @type:		type of heap
- * @ops:		ops struct as above
- * @flags:		flags
- * @id:			id of heap, also indicates priority of this heap when
- *			allocating.  These are specified by platform data and
- *			MUST be unique
- * @name:		used for debugging
- * @shrinker:		a shrinker for the heap
- * @free_list:		free list head if deferred free is used
- * @free_list_size	size of the deferred free list in bytes
- * @lock:		protects the free list
- * @waitqueue:		queue to wait on from deferred free thread
- * @task:		task struct of deferred free thread
- * @num_of_buffers	the number of currently allocated buffers
- * @num_of_alloc_bytes	the number of allocated bytes
- * @alloc_bytes_wm	the number of allocated bytes watermark
- *
- * Represents a pool of memory from which buffers can be made.  In some
- * systems the only heap is regular system memory allocated via vmalloc.
- * On others, some blocks might require large physically contiguous buffers
- * that are allocated from a specially reserved heap.
- */
-struct ion_heap {
-	struct plist_node node;
-	struct ion_device *dev;
-	enum ion_heap_type type;
-	struct ion_heap_ops *ops;
-	unsigned long flags;
-	unsigned int id;
-	const char *name;
-
-	/* deferred free support */
-	struct shrinker shrinker;
-	struct list_head free_list;
-	size_t free_list_size;
-	spinlock_t free_lock;
-	wait_queue_head_t waitqueue;
-	struct task_struct *task;
-
-	/* heap statistics */
-	u64 num_of_buffers;
-	u64 num_of_alloc_bytes;
-	u64 alloc_bytes_wm;
-
-	/* protect heap statistics */
-	spinlock_t stat_lock;
-};
-
-/**
- * ion_device_add_heap - adds a heap to the ion device
- * @heap:		the heap to add
- */
-void ion_device_add_heap(struct ion_heap *heap);
-
-/**
- * some helpers for common operations on buffers using the sg_table
- * and vaddr fields
- */
-void *ion_heap_map_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
-void ion_heap_unmap_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
-int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
-		      struct vm_area_struct *vma);
-int ion_heap_buffer_zero(struct ion_buffer *buffer);
-
-/**
- * ion_heap_init_shrinker
- * @heap:		the heap
- *
- * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag or defines the shrink op
- * this function will be called to setup a shrinker to shrink the freelists
- * and call the heap's shrink op.
- */
-int ion_heap_init_shrinker(struct ion_heap *heap);
-
-/**
- * ion_heap_init_deferred_free -- initialize deferred free functionality
- * @heap:		the heap
- *
- * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag this function will
- * be called to setup deferred frees. Calls to free the buffer will
- * return immediately and the actual free will occur some time later
- */
-int ion_heap_init_deferred_free(struct ion_heap *heap);
-
-/**
- * ion_heap_freelist_add - add a buffer to the deferred free list
- * @heap:		the heap
- * @buffer:		the buffer
- *
- * Adds an item to the deferred freelist.
- */
-void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer);
-
-/**
- * ion_heap_freelist_drain - drain the deferred free list
- * @heap:		the heap
- * @size:		amount of memory to drain in bytes
- *
- * Drains the indicated amount of memory from the deferred freelist immediately.
- * Returns the total amount freed.  The total freed may be higher depending
- * on the size of the items in the list, or lower if there is insufficient
- * total memory on the freelist.
- */
-size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size);
-
-/**
- * ion_heap_freelist_shrink - drain the deferred free
- *				list, skipping any heap-specific
- *				pooling or caching mechanisms
- *
- * @heap:		the heap
- * @size:		amount of memory to drain in bytes
- *
- * Drains the indicated amount of memory from the deferred freelist immediately.
- * Returns the total amount freed.  The total freed may be higher depending
- * on the size of the items in the list, or lower if there is insufficient
- * total memory on the freelist.
- *
- * Unlike with @ion_heap_freelist_drain, don't put any pages back into
- * page pools or otherwise cache the pages. Everything must be
- * genuinely free'd back to the system. If you're free'ing from a
- * shrinker you probably want to use this. Note that this relies on
- * the heap.ops.free callback honoring the ION_PRIV_FLAG_SHRINKER_FREE
- * flag.
- */
-size_t ion_heap_freelist_shrink(struct ion_heap *heap,
-				size_t size);
-
-/**
- * ion_heap_freelist_size - returns the size of the freelist in bytes
- * @heap:		the heap
- */
-size_t ion_heap_freelist_size(struct ion_heap *heap);
-
-/**
- * functions for creating and destroying a heap pool -- allows you
- * to keep a pool of pre allocated memory to use from your heap.  Keeping
- * a pool of memory that is ready for dma, ie any cached mapping have been
- * invalidated from the cache, provides a significant performance benefit on
- * many systems
- */
-
-/**
- * struct ion_page_pool - pagepool struct
- * @high_count:		number of highmem items in the pool
- * @low_count:		number of lowmem items in the pool
- * @high_items:		list of highmem items
- * @low_items:		list of lowmem items
- * @mutex:		lock protecting this struct and especially the count
- *			item list
- * @gfp_mask:		gfp_mask to use from alloc
- * @order:		order of pages in the pool
- * @list:		plist node for list of pools
- *
- * Allows you to keep a pool of pre allocated pages to use from your heap.
- * Keeping a pool of pages that is ready for dma, ie any cached mapping have
- * been invalidated from the cache, provides a significant performance benefit
- * on many systems
- */
-struct ion_page_pool {
-	int high_count;
-	int low_count;
-	struct list_head high_items;
-	struct list_head low_items;
-	struct mutex mutex;
-	gfp_t gfp_mask;
-	unsigned int order;
-	struct plist_node list;
-};
-
-struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order);
-void ion_page_pool_destroy(struct ion_page_pool *pool);
-struct page *ion_page_pool_alloc(struct ion_page_pool *pool);
-void ion_page_pool_free(struct ion_page_pool *pool, struct page *page);
-
-/** ion_page_pool_shrink - shrinks the size of the memory cached in the pool
- * @pool:		the pool
- * @gfp_mask:		the memory type to reclaim
- * @nr_to_scan:		number of items to shrink in pages
- *
- * returns the number of items freed in pages
- */
-int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
-			 int nr_to_scan);
-
-#endif /* _ION_H */
diff --git a/drivers/staging/android/ion/ion_buffer.c b/drivers/staging/android/ion/ion_buffer.c
new file mode 100644
index 0000000..9c7a353
--- /dev/null
+++ b/drivers/staging/android/ion/ion_buffer.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ION Memory Allocator - buffer interface
+ *
+ * Copyright (c) 2019, Google, Inc.
+ */
+
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/dma-map-ops.h>
+
+#define CREATE_TRACE_POINTS
+#include "ion_trace.h"
+#include "ion_private.h"
+
+static atomic_long_t total_heap_bytes;
+
+static void track_buffer_created(struct ion_buffer *buffer)
+{
+	long total = atomic_long_add_return(buffer->size, &total_heap_bytes);
+
+	trace_ion_stat(buffer->sg_table, buffer->size, total);
+}
+
+static void track_buffer_destroyed(struct ion_buffer *buffer)
+{
+	long total = atomic_long_sub_return(buffer->size, &total_heap_bytes);
+
+	trace_ion_stat(buffer->sg_table, -buffer->size, total);
+}
+
+/* this function should only be called while dev->lock is held */
+static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
+					    struct ion_device *dev,
+					    unsigned long len,
+					    unsigned long flags)
+{
+	struct ion_buffer *buffer;
+	int ret;
+
+	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+	if (!buffer)
+		return ERR_PTR(-ENOMEM);
+
+	buffer->heap = heap;
+	buffer->flags = flags;
+	buffer->size = len;
+
+	ret = heap->ops->allocate(heap, buffer, len, flags);
+
+	if (ret) {
+		if (!(heap->flags & ION_HEAP_FLAG_DEFER_FREE))
+			goto err2;
+
+		ion_heap_freelist_drain(heap, 0);
+		ret = heap->ops->allocate(heap, buffer, len, flags);
+		if (ret)
+			goto err2;
+	}
+
+	if (!buffer->sg_table) {
+		WARN_ONCE(1, "This heap needs to set the sgtable");
+		ret = -EINVAL;
+		goto err1;
+	}
+
+	spin_lock(&heap->stat_lock);
+	heap->num_of_buffers++;
+	heap->num_of_alloc_bytes += len;
+	if (heap->num_of_alloc_bytes > heap->alloc_bytes_wm)
+		heap->alloc_bytes_wm = heap->num_of_alloc_bytes;
+	if (heap->num_of_buffers == 1) {
+		/* This module reference lasts as long as at least one
+		 * buffer is allocated from the heap. We are protected
+		 * against ion_device_remove_heap() with dev->lock, so we can
+		 * safely assume the module reference is going to* succeed.
+		 */
+		__module_get(heap->owner);
+	}
+	spin_unlock(&heap->stat_lock);
+
+	INIT_LIST_HEAD(&buffer->attachments);
+	mutex_init(&buffer->lock);
+	track_buffer_created(buffer);
+	return buffer;
+
+err1:
+	heap->ops->free(buffer);
+err2:
+	kfree(buffer);
+	return ERR_PTR(ret);
+}
+
+static int ion_clear_pages(struct page **pages, int num, pgprot_t pgprot)
+{
+	void *addr = vmap(pages, num, VM_MAP, pgprot);
+
+	if (!addr)
+		return -ENOMEM;
+	memset(addr, 0, PAGE_SIZE * num);
+	vunmap(addr);
+
+	return 0;
+}
+
+static int ion_sglist_zero(struct scatterlist *sgl, unsigned int nents,
+			   pgprot_t pgprot)
+{
+	int p = 0;
+	int ret = 0;
+	struct sg_page_iter piter;
+	struct page *pages[32];
+
+	for_each_sg_page(sgl, &piter, nents, 0) {
+		pages[p++] = sg_page_iter_page(&piter);
+		if (p == ARRAY_SIZE(pages)) {
+			ret = ion_clear_pages(pages, p, pgprot);
+			if (ret)
+				return ret;
+			p = 0;
+		}
+	}
+	if (p)
+		ret = ion_clear_pages(pages, p, pgprot);
+
+	return ret;
+}
+
+struct ion_buffer *ion_buffer_alloc(struct ion_device *dev, size_t len,
+				    unsigned int heap_id_mask,
+				    unsigned int flags)
+{
+	struct ion_buffer *buffer = NULL;
+	struct ion_heap *heap;
+
+	if (!dev || !len) {
+		return ERR_PTR(-EINVAL);
+	}
+
+	/*
+	 * traverse the list of heaps available in this system in priority
+	 * order.  If the heap type is supported by the client, and matches the
+	 * request of the caller allocate from it.  Repeat until allocate has
+	 * succeeded or all heaps have been tried
+	 */
+	len = PAGE_ALIGN(len);
+	if (!len)
+		return ERR_PTR(-EINVAL);
+
+	down_read(&dev->lock);
+	plist_for_each_entry(heap, &dev->heaps, node) {
+		/* if the caller didn't specify this heap id */
+		if (!((1 << heap->id) & heap_id_mask))
+			continue;
+		buffer = ion_buffer_create(heap, dev, len, flags);
+		if (!IS_ERR(buffer))
+			break;
+	}
+	up_read(&dev->lock);
+
+	if (!buffer)
+		return ERR_PTR(-ENODEV);
+
+	if (IS_ERR(buffer))
+		return ERR_CAST(buffer);
+
+	return buffer;
+}
+
+int ion_buffer_zero(struct ion_buffer *buffer)
+{
+	struct sg_table *table;
+	pgprot_t pgprot;
+
+	if (!buffer)
+		return -EINVAL;
+
+	table = buffer->sg_table;
+	if (buffer->flags & ION_FLAG_CACHED)
+		pgprot = PAGE_KERNEL;
+	else
+		pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+	return ion_sglist_zero(table->sgl, table->nents, pgprot);
+}
+EXPORT_SYMBOL_GPL(ion_buffer_zero);
+
+void ion_buffer_prep_noncached(struct ion_buffer *buffer)
+{
+	struct scatterlist *sg;
+	struct sg_table *table;
+	int i;
+
+	if (WARN_ONCE(!buffer || !buffer->sg_table,
+		      "%s needs a buffer and a sg_table", __func__) ||
+	    buffer->flags & ION_FLAG_CACHED)
+		return;
+
+	table = buffer->sg_table;
+
+	for_each_sg(table->sgl, sg, table->orig_nents, i)
+		arch_dma_prep_coherent(sg_page(sg), sg->length);
+}
+EXPORT_SYMBOL_GPL(ion_buffer_prep_noncached);
+
+void ion_buffer_release(struct ion_buffer *buffer)
+{
+	if (buffer->kmap_cnt > 0) {
+		pr_warn_once("%s: buffer still mapped in the kernel\n",
+			     __func__);
+		ion_heap_unmap_kernel(buffer->heap, buffer);
+	}
+	buffer->heap->ops->free(buffer);
+	spin_lock(&buffer->heap->stat_lock);
+	buffer->heap->num_of_buffers--;
+	buffer->heap->num_of_alloc_bytes -= buffer->size;
+	if (buffer->heap->num_of_buffers == 0)
+		module_put(buffer->heap->owner);
+	spin_unlock(&buffer->heap->stat_lock);
+	/* drop reference to the heap module */
+
+	kfree(buffer);
+}
+
+int ion_buffer_destroy(struct ion_device *dev, struct ion_buffer *buffer)
+{
+	struct ion_heap *heap;
+
+	if (!dev || !buffer) {
+		pr_warn("%s: invalid argument\n", __func__);
+		return -EINVAL;
+	}
+
+	heap = buffer->heap;
+	track_buffer_destroyed(buffer);
+
+	if (heap->flags & ION_HEAP_FLAG_DEFER_FREE)
+		ion_heap_freelist_add(heap, buffer);
+	else
+		ion_buffer_release(buffer);
+
+	return 0;
+}
+
+void *ion_buffer_kmap_get(struct ion_buffer *buffer)
+{
+	void *vaddr;
+
+	if (buffer->kmap_cnt) {
+		if (buffer->kmap_cnt == INT_MAX)
+			return ERR_PTR(-EOVERFLOW);
+
+		buffer->kmap_cnt++;
+		return buffer->vaddr;
+	}
+	vaddr = ion_heap_map_kernel(buffer->heap, buffer);
+	if (WARN_ONCE(!vaddr,
+		      "heap->ops->map_kernel should return ERR_PTR on error"))
+		return ERR_PTR(-EINVAL);
+	if (IS_ERR(vaddr))
+		return vaddr;
+	buffer->vaddr = vaddr;
+	buffer->kmap_cnt++;
+	return vaddr;
+}
+
+void ion_buffer_kmap_put(struct ion_buffer *buffer)
+{
+	buffer->kmap_cnt--;
+	if (!buffer->kmap_cnt) {
+		ion_heap_unmap_kernel(buffer->heap, buffer);
+		buffer->vaddr = NULL;
+	}
+}
+
+u64 ion_get_total_heap_bytes(void)
+{
+	return atomic_long_read(&total_heap_bytes);
+}
diff --git a/drivers/staging/android/ion/ion_cma_heap.c b/drivers/staging/android/ion/ion_cma_heap.c
deleted file mode 100644
index bf65e67..0000000
--- a/drivers/staging/android/ion/ion_cma_heap.c
+++ /dev/null
@@ -1,138 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * ION Memory Allocator CMA heap exporter
- *
- * Copyright (C) Linaro 2012
- * Author: <benjamin.gaignard@linaro.org> for ST-Ericsson.
- */
-
-#include <linux/device.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/cma.h>
-#include <linux/scatterlist.h>
-#include <linux/highmem.h>
-
-#include "ion.h"
-
-struct ion_cma_heap {
-	struct ion_heap heap;
-	struct cma *cma;
-};
-
-#define to_cma_heap(x) container_of(x, struct ion_cma_heap, heap)
-
-/* ION CMA heap operations functions */
-static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer,
-			    unsigned long len,
-			    unsigned long flags)
-{
-	struct ion_cma_heap *cma_heap = to_cma_heap(heap);
-	struct sg_table *table;
-	struct page *pages;
-	unsigned long size = PAGE_ALIGN(len);
-	unsigned long nr_pages = size >> PAGE_SHIFT;
-	unsigned long align = get_order(size);
-	int ret;
-
-	if (align > CONFIG_CMA_ALIGNMENT)
-		align = CONFIG_CMA_ALIGNMENT;
-
-	pages = cma_alloc(cma_heap->cma, nr_pages, align, false);
-	if (!pages)
-		return -ENOMEM;
-
-	if (PageHighMem(pages)) {
-		unsigned long nr_clear_pages = nr_pages;
-		struct page *page = pages;
-
-		while (nr_clear_pages > 0) {
-			void *vaddr = kmap_atomic(page);
-
-			memset(vaddr, 0, PAGE_SIZE);
-			kunmap_atomic(vaddr);
-			page++;
-			nr_clear_pages--;
-		}
-	} else {
-		memset(page_address(pages), 0, size);
-	}
-
-	table = kmalloc(sizeof(*table), GFP_KERNEL);
-	if (!table)
-		goto err;
-
-	ret = sg_alloc_table(table, 1, GFP_KERNEL);
-	if (ret)
-		goto free_mem;
-
-	sg_set_page(table->sgl, pages, size, 0);
-
-	buffer->priv_virt = pages;
-	buffer->sg_table = table;
-	return 0;
-
-free_mem:
-	kfree(table);
-err:
-	cma_release(cma_heap->cma, pages, nr_pages);
-	return -ENOMEM;
-}
-
-static void ion_cma_free(struct ion_buffer *buffer)
-{
-	struct ion_cma_heap *cma_heap = to_cma_heap(buffer->heap);
-	struct page *pages = buffer->priv_virt;
-	unsigned long nr_pages = PAGE_ALIGN(buffer->size) >> PAGE_SHIFT;
-
-	/* release memory */
-	cma_release(cma_heap->cma, pages, nr_pages);
-	/* release sg table */
-	sg_free_table(buffer->sg_table);
-	kfree(buffer->sg_table);
-}
-
-static struct ion_heap_ops ion_cma_ops = {
-	.allocate = ion_cma_allocate,
-	.free = ion_cma_free,
-	.map_user = ion_heap_map_user,
-	.map_kernel = ion_heap_map_kernel,
-	.unmap_kernel = ion_heap_unmap_kernel,
-};
-
-static struct ion_heap *__ion_cma_heap_create(struct cma *cma)
-{
-	struct ion_cma_heap *cma_heap;
-
-	cma_heap = kzalloc(sizeof(*cma_heap), GFP_KERNEL);
-
-	if (!cma_heap)
-		return ERR_PTR(-ENOMEM);
-
-	cma_heap->heap.ops = &ion_cma_ops;
-	cma_heap->cma = cma;
-	cma_heap->heap.type = ION_HEAP_TYPE_DMA;
-	return &cma_heap->heap;
-}
-
-static int __ion_add_cma_heaps(struct cma *cma, void *data)
-{
-	struct ion_heap *heap;
-
-	heap = __ion_cma_heap_create(cma);
-	if (IS_ERR(heap))
-		return PTR_ERR(heap);
-
-	heap->name = cma_get_name(cma);
-
-	ion_device_add_heap(heap);
-	return 0;
-}
-
-static int ion_add_cma_heaps(void)
-{
-	cma_for_each_area(__ion_add_cma_heaps, NULL);
-	return 0;
-}
-device_initcall(ion_add_cma_heaps);
diff --git a/drivers/staging/android/ion/ion_dma_buf.c b/drivers/staging/android/ion/ion_dma_buf.c
new file mode 100644
index 0000000..47ae54a
--- /dev/null
+++ b/drivers/staging/android/ion/ion_dma_buf.c
@@ -0,0 +1,359 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ION Memory Allocator - dmabuf interface
+ *
+ * Copyright (c) 2019, Google, Inc.
+ */
+
+#include <linux/device.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include "ion_private.h"
+
+static struct sg_table *dup_sg_table(struct sg_table *table)
+{
+	struct sg_table *new_table;
+	int ret, i;
+	struct scatterlist *sg, *new_sg;
+
+	new_table = kzalloc(sizeof(*new_table), GFP_KERNEL);
+	if (!new_table)
+		return ERR_PTR(-ENOMEM);
+
+	ret = sg_alloc_table(new_table, table->nents, GFP_KERNEL);
+	if (ret) {
+		kfree(new_table);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	new_sg = new_table->sgl;
+	for_each_sg(table->sgl, sg, table->nents, i) {
+		memcpy(new_sg, sg, sizeof(*sg));
+		new_sg->dma_address = 0;
+		new_sg = sg_next(new_sg);
+	}
+
+	return new_table;
+}
+
+static void free_duped_table(struct sg_table *table)
+{
+	sg_free_table(table);
+	kfree(table);
+}
+
+static int ion_dma_buf_attach(struct dma_buf *dmabuf,
+			      struct dma_buf_attachment *attachment)
+{
+	struct ion_dma_buf_attachment *a;
+	struct sg_table *table;
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+
+	if (heap->buf_ops.attach)
+		return heap->buf_ops.attach(dmabuf, attachment);
+
+	a = kzalloc(sizeof(*a), GFP_KERNEL);
+	if (!a)
+		return -ENOMEM;
+
+	table = dup_sg_table(buffer->sg_table);
+	if (IS_ERR(table)) {
+		kfree(a);
+		return -ENOMEM;
+	}
+
+	a->table = table;
+	a->dev = attachment->dev;
+	INIT_LIST_HEAD(&a->list);
+	a->mapped = false;
+
+	attachment->priv = a;
+
+	mutex_lock(&buffer->lock);
+	list_add(&a->list, &buffer->attachments);
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static void ion_dma_buf_detatch(struct dma_buf *dmabuf,
+				struct dma_buf_attachment *attachment)
+{
+	struct ion_dma_buf_attachment *a = attachment->priv;
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+
+	if (heap->buf_ops.detach)
+		return heap->buf_ops.detach(dmabuf, attachment);
+
+	mutex_lock(&buffer->lock);
+	list_del(&a->list);
+	mutex_unlock(&buffer->lock);
+	free_duped_table(a->table);
+
+	kfree(a);
+}
+
+static struct sg_table *ion_map_dma_buf(struct dma_buf_attachment *attachment,
+					enum dma_data_direction direction)
+{
+	struct ion_buffer *buffer = attachment->dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+	struct ion_dma_buf_attachment *a;
+	struct sg_table *table;
+	unsigned long attrs = attachment->dma_map_attrs;
+
+	if (heap->buf_ops.map_dma_buf)
+		return heap->buf_ops.map_dma_buf(attachment, direction);
+
+	a = attachment->priv;
+	table = a->table;
+
+	if (!(buffer->flags & ION_FLAG_CACHED))
+		attrs |= DMA_ATTR_SKIP_CPU_SYNC;
+
+	if (!dma_map_sg_attrs(attachment->dev, table->sgl, table->nents,
+			      direction, attrs))
+		return ERR_PTR(-ENOMEM);
+
+	a->mapped = true;
+
+	return table;
+}
+
+static void ion_unmap_dma_buf(struct dma_buf_attachment *attachment,
+			      struct sg_table *table,
+			      enum dma_data_direction direction)
+{
+	struct ion_buffer *buffer = attachment->dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+	struct ion_dma_buf_attachment *a = attachment->priv;
+	unsigned long attrs = attachment->dma_map_attrs;
+
+	if (heap->buf_ops.unmap_dma_buf)
+		return heap->buf_ops.unmap_dma_buf(attachment, table,
+						   direction);
+
+	a->mapped = false;
+
+	if (!(buffer->flags & ION_FLAG_CACHED))
+		attrs |= DMA_ATTR_SKIP_CPU_SYNC;
+
+	dma_unmap_sg_attrs(attachment->dev, table->sgl, table->nents,
+			   direction, attrs);
+}
+
+static void ion_dma_buf_release(struct dma_buf *dmabuf)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+
+	if (heap->buf_ops.release)
+		return heap->buf_ops.release(dmabuf);
+
+	ion_free(buffer);
+}
+
+static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
+					enum dma_data_direction direction)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+	struct ion_dma_buf_attachment *a;
+
+	if (heap->buf_ops.begin_cpu_access)
+		return heap->buf_ops.begin_cpu_access(dmabuf, direction);
+
+	mutex_lock(&buffer->lock);
+	if (!(buffer->flags & ION_FLAG_CACHED))
+		goto unlock;
+
+	list_for_each_entry(a, &buffer->attachments, list) {
+		if (!a->mapped)
+			continue;
+		dma_sync_sg_for_cpu(a->dev, a->table->sgl, a->table->nents,
+				    direction);
+	}
+
+unlock:
+	mutex_unlock(&buffer->lock);
+	return 0;
+}
+
+static int
+ion_dma_buf_begin_cpu_access_partial(struct dma_buf *dmabuf,
+				     enum dma_data_direction direction,
+				     unsigned int offset, unsigned int len)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+
+	/* This is done to make sure partial buffer cache flush / invalidate is
+	 * allowed. The implementation may be vendor specific in this case, so
+	 * ion core does not provide a default implementation
+	 */
+	if (!heap->buf_ops.begin_cpu_access_partial)
+		return -EOPNOTSUPP;
+
+	return heap->buf_ops.begin_cpu_access_partial(dmabuf, direction, offset,
+						      len);
+}
+
+static int ion_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
+				      enum dma_data_direction direction)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+	struct ion_dma_buf_attachment *a;
+
+	if (heap->buf_ops.end_cpu_access)
+		return heap->buf_ops.end_cpu_access(dmabuf, direction);
+
+	mutex_lock(&buffer->lock);
+	if (!(buffer->flags & ION_FLAG_CACHED))
+		goto unlock;
+
+	list_for_each_entry(a, &buffer->attachments, list) {
+		if (!a->mapped)
+			continue;
+		dma_sync_sg_for_device(a->dev, a->table->sgl, a->table->nents,
+				       direction);
+	}
+unlock:
+	mutex_unlock(&buffer->lock);
+
+	return 0;
+}
+
+static int ion_dma_buf_end_cpu_access_partial(struct dma_buf *dmabuf,
+					      enum dma_data_direction direction,
+					      unsigned int offset,
+					      unsigned int len)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+
+	/* This is done to make sure partial buffer cache flush / invalidate is
+	 * allowed. The implementation may be vendor specific in this case, so
+	 * ion core does not provide a default implementation
+	 */
+	if (!heap->buf_ops.end_cpu_access_partial)
+		return -EOPNOTSUPP;
+
+	return heap->buf_ops.end_cpu_access_partial(dmabuf, direction, offset,
+						    len);
+}
+
+static int ion_dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+	int ret;
+
+	/* now map it to userspace */
+	if (heap->buf_ops.mmap) {
+		ret = heap->buf_ops.mmap(dmabuf, vma);
+	} else {
+		mutex_lock(&buffer->lock);
+		if (!(buffer->flags & ION_FLAG_CACHED))
+			vma->vm_page_prot =
+				pgprot_writecombine(vma->vm_page_prot);
+
+		ret = ion_heap_map_user(heap, buffer, vma);
+		mutex_unlock(&buffer->lock);
+	}
+
+	if (ret)
+		pr_err("%s: failure mapping buffer to userspace\n", __func__);
+
+	return ret;
+}
+
+static void *ion_dma_buf_vmap(struct dma_buf *dmabuf)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+	void *vaddr;
+
+	if (heap->buf_ops.vmap)
+		return heap->buf_ops.vmap(dmabuf);
+
+	mutex_lock(&buffer->lock);
+	vaddr = ion_buffer_kmap_get(buffer);
+	mutex_unlock(&buffer->lock);
+
+	return vaddr;
+}
+
+static void ion_dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+
+	if (heap->buf_ops.vunmap) {
+		heap->buf_ops.vunmap(dmabuf, vaddr);
+		return;
+	}
+
+	mutex_lock(&buffer->lock);
+	ion_buffer_kmap_put(buffer);
+	mutex_unlock(&buffer->lock);
+}
+
+static int ion_dma_buf_get_flags(struct dma_buf *dmabuf, unsigned long *flags)
+{
+	struct ion_buffer *buffer = dmabuf->priv;
+	struct ion_heap *heap = buffer->heap;
+
+	if (!heap->buf_ops.get_flags)
+		return -EOPNOTSUPP;
+
+	return heap->buf_ops.get_flags(dmabuf, flags);
+}
+
+static const struct dma_buf_ops dma_buf_ops = {
+	.attach = ion_dma_buf_attach,
+	.detach = ion_dma_buf_detatch,
+	.map_dma_buf = ion_map_dma_buf,
+	.unmap_dma_buf = ion_unmap_dma_buf,
+	.release = ion_dma_buf_release,
+	.begin_cpu_access = ion_dma_buf_begin_cpu_access,
+	.begin_cpu_access_partial = ion_dma_buf_begin_cpu_access_partial,
+	.end_cpu_access = ion_dma_buf_end_cpu_access,
+	.end_cpu_access_partial = ion_dma_buf_end_cpu_access_partial,
+	.mmap = ion_dma_buf_mmap,
+	.vmap = ion_dma_buf_vmap,
+	.vunmap = ion_dma_buf_vunmap,
+	.get_flags = ion_dma_buf_get_flags,
+};
+
+struct dma_buf *ion_dmabuf_alloc(struct ion_device *dev, size_t len,
+				 unsigned int heap_id_mask,
+				 unsigned int flags)
+{
+	struct ion_buffer *buffer;
+	DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+	struct dma_buf *dmabuf;
+
+	pr_debug("%s: len %zu heap_id_mask %u flags %x\n", __func__,
+		 len, heap_id_mask, flags);
+
+	buffer = ion_buffer_alloc(dev, len, heap_id_mask, flags);
+	if (IS_ERR(buffer))
+		return ERR_CAST(buffer);
+
+	exp_info.ops = &dma_buf_ops;
+	exp_info.size = buffer->size;
+	exp_info.flags = O_RDWR;
+	exp_info.priv = buffer;
+
+	dmabuf = dma_buf_export(&exp_info);
+	if (IS_ERR(dmabuf))
+		ion_buffer_destroy(dev, buffer);
+
+	return dmabuf;
+}
diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
index ea7e0a2..aa29a4ee 100644
--- a/drivers/staging/android/ion/ion_heap.c
+++ b/drivers/staging/android/ion/ion_heap.c
@@ -15,221 +15,7 @@
 #include <linux/scatterlist.h>
 #include <linux/vmalloc.h>
 
-#include "ion.h"
-
-void *ion_heap_map_kernel(struct ion_heap *heap,
-			  struct ion_buffer *buffer)
-{
-	struct sg_page_iter piter;
-	void *vaddr;
-	pgprot_t pgprot;
-	struct sg_table *table = buffer->sg_table;
-	int npages = PAGE_ALIGN(buffer->size) / PAGE_SIZE;
-	struct page **pages = vmalloc(array_size(npages,
-						 sizeof(struct page *)));
-	struct page **tmp = pages;
-
-	if (!pages)
-		return ERR_PTR(-ENOMEM);
-
-	if (buffer->flags & ION_FLAG_CACHED)
-		pgprot = PAGE_KERNEL;
-	else
-		pgprot = pgprot_writecombine(PAGE_KERNEL);
-
-	for_each_sgtable_page(table, &piter, 0) {
-		BUG_ON(tmp - pages >= npages);
-		*tmp++ = sg_page_iter_page(&piter);
-	}
-
-	vaddr = vmap(pages, npages, VM_MAP, pgprot);
-	vfree(pages);
-
-	if (!vaddr)
-		return ERR_PTR(-ENOMEM);
-
-	return vaddr;
-}
-
-void ion_heap_unmap_kernel(struct ion_heap *heap,
-			   struct ion_buffer *buffer)
-{
-	vunmap(buffer->vaddr);
-}
-
-int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
-		      struct vm_area_struct *vma)
-{
-	struct sg_page_iter piter;
-	struct sg_table *table = buffer->sg_table;
-	unsigned long addr = vma->vm_start;
-	int ret;
-
-	for_each_sgtable_page(table, &piter, vma->vm_pgoff) {
-		struct page *page = sg_page_iter_page(&piter);
-
-		ret = remap_pfn_range(vma, addr, page_to_pfn(page), PAGE_SIZE,
-				      vma->vm_page_prot);
-		if (ret)
-			return ret;
-		addr += PAGE_SIZE;
-		if (addr >= vma->vm_end)
-			return 0;
-	}
-
-	return 0;
-}
-
-static int ion_heap_clear_pages(struct page **pages, int num, pgprot_t pgprot)
-{
-	void *addr = vmap(pages, num, VM_MAP, pgprot);
-
-	if (!addr)
-		return -ENOMEM;
-	memset(addr, 0, PAGE_SIZE * num);
-	vunmap(addr);
-
-	return 0;
-}
-
-static int ion_heap_sglist_zero(struct sg_table *sgt, pgprot_t pgprot)
-{
-	int p = 0;
-	int ret = 0;
-	struct sg_page_iter piter;
-	struct page *pages[32];
-
-	for_each_sgtable_page(sgt, &piter, 0) {
-		pages[p++] = sg_page_iter_page(&piter);
-		if (p == ARRAY_SIZE(pages)) {
-			ret = ion_heap_clear_pages(pages, p, pgprot);
-			if (ret)
-				return ret;
-			p = 0;
-		}
-	}
-	if (p)
-		ret = ion_heap_clear_pages(pages, p, pgprot);
-
-	return ret;
-}
-
-int ion_heap_buffer_zero(struct ion_buffer *buffer)
-{
-	struct sg_table *table = buffer->sg_table;
-	pgprot_t pgprot;
-
-	if (buffer->flags & ION_FLAG_CACHED)
-		pgprot = PAGE_KERNEL;
-	else
-		pgprot = pgprot_writecombine(PAGE_KERNEL);
-
-	return ion_heap_sglist_zero(table, pgprot);
-}
-
-void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer)
-{
-	spin_lock(&heap->free_lock);
-	list_add(&buffer->list, &heap->free_list);
-	heap->free_list_size += buffer->size;
-	spin_unlock(&heap->free_lock);
-	wake_up(&heap->waitqueue);
-}
-
-size_t ion_heap_freelist_size(struct ion_heap *heap)
-{
-	size_t size;
-
-	spin_lock(&heap->free_lock);
-	size = heap->free_list_size;
-	spin_unlock(&heap->free_lock);
-
-	return size;
-}
-
-static size_t _ion_heap_freelist_drain(struct ion_heap *heap, size_t size,
-				       bool skip_pools)
-{
-	struct ion_buffer *buffer;
-	size_t total_drained = 0;
-
-	if (ion_heap_freelist_size(heap) == 0)
-		return 0;
-
-	spin_lock(&heap->free_lock);
-	if (size == 0)
-		size = heap->free_list_size;
-
-	while (!list_empty(&heap->free_list)) {
-		if (total_drained >= size)
-			break;
-		buffer = list_first_entry(&heap->free_list, struct ion_buffer,
-					  list);
-		list_del(&buffer->list);
-		heap->free_list_size -= buffer->size;
-		if (skip_pools)
-			buffer->private_flags |= ION_PRIV_FLAG_SHRINKER_FREE;
-		total_drained += buffer->size;
-		spin_unlock(&heap->free_lock);
-		ion_buffer_destroy(buffer);
-		spin_lock(&heap->free_lock);
-	}
-	spin_unlock(&heap->free_lock);
-
-	return total_drained;
-}
-
-size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size)
-{
-	return _ion_heap_freelist_drain(heap, size, false);
-}
-
-size_t ion_heap_freelist_shrink(struct ion_heap *heap, size_t size)
-{
-	return _ion_heap_freelist_drain(heap, size, true);
-}
-
-static int ion_heap_deferred_free(void *data)
-{
-	struct ion_heap *heap = data;
-
-	while (true) {
-		struct ion_buffer *buffer;
-
-		wait_event_freezable(heap->waitqueue,
-				     ion_heap_freelist_size(heap) > 0);
-
-		spin_lock(&heap->free_lock);
-		if (list_empty(&heap->free_list)) {
-			spin_unlock(&heap->free_lock);
-			continue;
-		}
-		buffer = list_first_entry(&heap->free_list, struct ion_buffer,
-					  list);
-		list_del(&buffer->list);
-		heap->free_list_size -= buffer->size;
-		spin_unlock(&heap->free_lock);
-		ion_buffer_destroy(buffer);
-	}
-
-	return 0;
-}
-
-int ion_heap_init_deferred_free(struct ion_heap *heap)
-{
-	INIT_LIST_HEAD(&heap->free_list);
-	init_waitqueue_head(&heap->waitqueue);
-	heap->task = kthread_run(ion_heap_deferred_free, heap,
-				 "%s", heap->name);
-	if (IS_ERR(heap->task)) {
-		pr_err("%s: creating thread for deferred free failed\n",
-		       __func__);
-		return PTR_ERR_OR_ZERO(heap->task);
-	}
-	sched_set_normal(heap->task, 19);
-
-	return 0;
-}
+#include "ion_private.h"
 
 static unsigned long ion_heap_shrink_count(struct shrinker *shrinker,
 					   struct shrink_control *sc)
@@ -275,6 +61,196 @@
 	return freed;
 }
 
+static size_t _ion_heap_freelist_drain(struct ion_heap *heap, size_t size,
+				       bool skip_pools)
+{
+	struct ion_buffer *buffer;
+	size_t total_drained = 0;
+
+	if (ion_heap_freelist_size(heap) == 0)
+		return 0;
+
+	spin_lock(&heap->free_lock);
+	if (size == 0)
+		size = heap->free_list_size;
+
+	while (!list_empty(&heap->free_list)) {
+		if (total_drained >= size)
+			break;
+		buffer = list_first_entry(&heap->free_list, struct ion_buffer,
+					  list);
+		list_del(&buffer->list);
+		heap->free_list_size -= buffer->size;
+		if (skip_pools)
+			buffer->private_flags |= ION_PRIV_FLAG_SHRINKER_FREE;
+		total_drained += buffer->size;
+		spin_unlock(&heap->free_lock);
+		ion_buffer_release(buffer);
+		spin_lock(&heap->free_lock);
+	}
+	spin_unlock(&heap->free_lock);
+
+	return total_drained;
+}
+
+static int ion_heap_deferred_free(void *data)
+{
+	struct ion_heap *heap = data;
+
+	while (true) {
+		struct ion_buffer *buffer;
+
+		wait_event_freezable(heap->waitqueue,
+				     (ion_heap_freelist_size(heap) > 0 ||
+				      kthread_should_stop()));
+
+		spin_lock(&heap->free_lock);
+		if (list_empty(&heap->free_list)) {
+			spin_unlock(&heap->free_lock);
+			if (!kthread_should_stop())
+				continue;
+			break;
+		}
+		buffer = list_first_entry(&heap->free_list, struct ion_buffer,
+					  list);
+		list_del(&buffer->list);
+		heap->free_list_size -= buffer->size;
+		spin_unlock(&heap->free_lock);
+		ion_buffer_release(buffer);
+	}
+
+	return 0;
+}
+
+void *ion_heap_map_kernel(struct ion_heap *heap,
+			  struct ion_buffer *buffer)
+{
+	struct scatterlist *sg;
+	int i, j;
+	void *vaddr;
+	pgprot_t pgprot;
+	struct sg_table *table = buffer->sg_table;
+	int npages = PAGE_ALIGN(buffer->size) / PAGE_SIZE;
+	struct page **pages = vmalloc(array_size(npages,
+						 sizeof(struct page *)));
+	struct page **tmp = pages;
+
+	if (!pages)
+		return ERR_PTR(-ENOMEM);
+
+	if (buffer->flags & ION_FLAG_CACHED)
+		pgprot = PAGE_KERNEL;
+	else
+		pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+	for_each_sg(table->sgl, sg, table->nents, i) {
+		int npages_this_entry = PAGE_ALIGN(sg->length) / PAGE_SIZE;
+		struct page *page = sg_page(sg);
+
+		BUG_ON(i >= npages);
+		for (j = 0; j < npages_this_entry; j++)
+			*(tmp++) = page++;
+	}
+	vaddr = vmap(pages, npages, VM_MAP, pgprot);
+	vfree(pages);
+
+	if (!vaddr)
+		return ERR_PTR(-ENOMEM);
+
+	return vaddr;
+}
+EXPORT_SYMBOL_GPL(ion_heap_map_kernel);
+
+void ion_heap_unmap_kernel(struct ion_heap *heap,
+			   struct ion_buffer *buffer)
+{
+	vunmap(buffer->vaddr);
+}
+EXPORT_SYMBOL_GPL(ion_heap_unmap_kernel);
+
+int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
+		      struct vm_area_struct *vma)
+{
+	struct sg_table *table = buffer->sg_table;
+	unsigned long addr = vma->vm_start;
+	unsigned long offset = vma->vm_pgoff * PAGE_SIZE;
+	struct scatterlist *sg;
+	int i;
+	int ret;
+
+	for_each_sg(table->sgl, sg, table->nents, i) {
+		struct page *page = sg_page(sg);
+		unsigned long remainder = vma->vm_end - addr;
+		unsigned long len = sg->length;
+
+		if (offset >= sg->length) {
+			offset -= sg->length;
+			continue;
+		} else if (offset) {
+			page += offset / PAGE_SIZE;
+			len = sg->length - offset;
+			offset = 0;
+		}
+		len = min(len, remainder);
+		ret = remap_pfn_range(vma, addr, page_to_pfn(page), len,
+				      vma->vm_page_prot);
+		if (ret)
+			return ret;
+		addr += len;
+		if (addr >= vma->vm_end)
+			return 0;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(ion_heap_map_user);
+
+void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer)
+{
+	spin_lock(&heap->free_lock);
+	list_add(&buffer->list, &heap->free_list);
+	heap->free_list_size += buffer->size;
+	spin_unlock(&heap->free_lock);
+	wake_up(&heap->waitqueue);
+}
+
+size_t ion_heap_freelist_size(struct ion_heap *heap)
+{
+	size_t size;
+
+	spin_lock(&heap->free_lock);
+	size = heap->free_list_size;
+	spin_unlock(&heap->free_lock);
+
+	return size;
+}
+
+size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size)
+{
+	return _ion_heap_freelist_drain(heap, size, false);
+}
+
+size_t ion_heap_freelist_shrink(struct ion_heap *heap, size_t size)
+{
+	return _ion_heap_freelist_drain(heap, size, true);
+}
+
+int ion_heap_init_deferred_free(struct ion_heap *heap)
+{
+	INIT_LIST_HEAD(&heap->free_list);
+	init_waitqueue_head(&heap->waitqueue);
+	heap->task = kthread_run(ion_heap_deferred_free, heap,
+				 "%s", heap->name);
+	if (IS_ERR(heap->task)) {
+		pr_err("%s: creating thread for deferred free failed\n",
+		       __func__);
+		return PTR_ERR_OR_ZERO(heap->task);
+	}
+	sched_set_normal(heap->task, 19);
+
+	return 0;
+}
+
 int ion_heap_init_shrinker(struct ion_heap *heap)
 {
 	heap->shrinker.count_objects = ion_heap_shrink_count;
@@ -284,3 +260,32 @@
 
 	return register_shrinker(&heap->shrinker);
 }
+
+int ion_heap_cleanup(struct ion_heap *heap)
+{
+	int ret;
+
+	if (heap->flags & ION_HEAP_FLAG_DEFER_FREE &&
+	    !IS_ERR_OR_NULL(heap->task)) {
+		size_t free_list_size = ion_heap_freelist_size(heap);
+		size_t total_drained = ion_heap_freelist_drain(heap, 0);
+
+		if (total_drained != free_list_size) {
+			pr_err("%s: %s heap drained %zu bytes, requested %zu\n",
+			       __func__, heap->name, free_list_size,
+			       total_drained);
+			return -EBUSY;
+		}
+		ret = kthread_stop(heap->task);
+		if (ret < 0) {
+			pr_err("%s: failed to stop heap free thread\n",
+			       __func__);
+			return ret;
+		}
+	}
+
+	if ((heap->flags & ION_HEAP_FLAG_DEFER_FREE) || heap->ops->shrink)
+		unregister_shrinker(&heap->shrinker);
+
+	return 0;
+}
diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c
deleted file mode 100644
index 0198b88..0000000
--- a/drivers/staging/android/ion/ion_page_pool.c
+++ /dev/null
@@ -1,155 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * ION Memory Allocator page pool helpers
- *
- * Copyright (C) 2011 Google, Inc.
- */
-
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/swap.h>
-#include <linux/sched/signal.h>
-
-#include "ion.h"
-
-static inline struct page *ion_page_pool_alloc_pages(struct ion_page_pool *pool)
-{
-	if (fatal_signal_pending(current))
-		return NULL;
-	return alloc_pages(pool->gfp_mask, pool->order);
-}
-
-static void ion_page_pool_free_pages(struct ion_page_pool *pool,
-				     struct page *page)
-{
-	__free_pages(page, pool->order);
-}
-
-static void ion_page_pool_add(struct ion_page_pool *pool, struct page *page)
-{
-	mutex_lock(&pool->mutex);
-	if (PageHighMem(page)) {
-		list_add_tail(&page->lru, &pool->high_items);
-		pool->high_count++;
-	} else {
-		list_add_tail(&page->lru, &pool->low_items);
-		pool->low_count++;
-	}
-
-	mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
-			    1 << pool->order);
-	mutex_unlock(&pool->mutex);
-}
-
-static struct page *ion_page_pool_remove(struct ion_page_pool *pool, bool high)
-{
-	struct page *page;
-
-	if (high) {
-		BUG_ON(!pool->high_count);
-		page = list_first_entry(&pool->high_items, struct page, lru);
-		pool->high_count--;
-	} else {
-		BUG_ON(!pool->low_count);
-		page = list_first_entry(&pool->low_items, struct page, lru);
-		pool->low_count--;
-	}
-
-	list_del(&page->lru);
-	mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
-			    -(1 << pool->order));
-	return page;
-}
-
-struct page *ion_page_pool_alloc(struct ion_page_pool *pool)
-{
-	struct page *page = NULL;
-
-	BUG_ON(!pool);
-
-	mutex_lock(&pool->mutex);
-	if (pool->high_count)
-		page = ion_page_pool_remove(pool, true);
-	else if (pool->low_count)
-		page = ion_page_pool_remove(pool, false);
-	mutex_unlock(&pool->mutex);
-
-	if (!page)
-		page = ion_page_pool_alloc_pages(pool);
-
-	return page;
-}
-
-void ion_page_pool_free(struct ion_page_pool *pool, struct page *page)
-{
-	BUG_ON(pool->order != compound_order(page));
-
-	ion_page_pool_add(pool, page);
-}
-
-static int ion_page_pool_total(struct ion_page_pool *pool, bool high)
-{
-	int count = pool->low_count;
-
-	if (high)
-		count += pool->high_count;
-
-	return count << pool->order;
-}
-
-int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
-			 int nr_to_scan)
-{
-	int freed = 0;
-	bool high;
-
-	if (current_is_kswapd())
-		high = true;
-	else
-		high = !!(gfp_mask & __GFP_HIGHMEM);
-
-	if (nr_to_scan == 0)
-		return ion_page_pool_total(pool, high);
-
-	while (freed < nr_to_scan) {
-		struct page *page;
-
-		mutex_lock(&pool->mutex);
-		if (pool->low_count) {
-			page = ion_page_pool_remove(pool, false);
-		} else if (high && pool->high_count) {
-			page = ion_page_pool_remove(pool, true);
-		} else {
-			mutex_unlock(&pool->mutex);
-			break;
-		}
-		mutex_unlock(&pool->mutex);
-		ion_page_pool_free_pages(pool, page);
-		freed += (1 << pool->order);
-	}
-
-	return freed;
-}
-
-struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order)
-{
-	struct ion_page_pool *pool = kmalloc(sizeof(*pool), GFP_KERNEL);
-
-	if (!pool)
-		return NULL;
-	pool->high_count = 0;
-	pool->low_count = 0;
-	INIT_LIST_HEAD(&pool->low_items);
-	INIT_LIST_HEAD(&pool->high_items);
-	pool->gfp_mask = gfp_mask | __GFP_COMP;
-	pool->order = order;
-	mutex_init(&pool->mutex);
-	plist_node_init(&pool->list, order);
-
-	return pool;
-}
-
-void ion_page_pool_destroy(struct ion_page_pool *pool)
-{
-	kfree(pool);
-}
diff --git a/drivers/staging/android/ion/ion_private.h b/drivers/staging/android/ion/ion_private.h
new file mode 100644
index 0000000..db4e906
--- /dev/null
+++ b/drivers/staging/android/ion/ion_private.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ION Memory Allocator - Internal header
+ *
+ * Copyright (C) 2019 Google, Inc.
+ */
+
+#ifndef _ION_PRIVATE_H
+#define _ION_PRIVATE_H
+
+#include <linux/dcache.h>
+#include <linux/dma-buf.h>
+#include <linux/ion.h>
+#include <linux/miscdevice.h>
+#include <linux/mutex.h>
+#include <linux/plist.h>
+#include <linux/rbtree.h>
+#include <linux/rwsem.h>
+#include <linux/types.h>
+
+/**
+ * struct ion_device - the metadata of the ion device node
+ * @dev:		the actual misc device
+ * @lock:		rwsem protecting the tree of heaps, heap_bitmap and
+ *			clients
+ * @heap_ids:		bitmap of register heap ids
+ */
+struct ion_device {
+	struct miscdevice dev;
+	struct rw_semaphore lock;
+	DECLARE_BITMAP(heap_ids, ION_NUM_MAX_HEAPS);
+	struct plist_head heaps;
+	struct dentry *debug_root;
+	int heap_cnt;
+};
+
+/* ion_buffer manipulators */
+extern struct ion_buffer *ion_buffer_alloc(struct ion_device *dev, size_t len,
+					   unsigned int heap_id_mask,
+					   unsigned int flags);
+extern void ion_buffer_release(struct ion_buffer *buffer);
+extern int ion_buffer_destroy(struct ion_device *dev,
+			      struct ion_buffer *buffer);
+extern void *ion_buffer_kmap_get(struct ion_buffer *buffer);
+extern void ion_buffer_kmap_put(struct ion_buffer *buffer);
+
+/* ion dmabuf allocator */
+extern struct dma_buf *ion_dmabuf_alloc(struct ion_device *dev, size_t len,
+					unsigned int heap_id_mask,
+					unsigned int flags);
+extern int ion_free(struct ion_buffer *buffer);
+
+/* ion heap helpers */
+extern int ion_heap_cleanup(struct ion_heap *heap);
+
+u64 ion_get_total_heap_bytes(void);
+
+#endif /* _ION_PRIVATE_H */
diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
deleted file mode 100644
index eac0632..0000000
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ /dev/null
@@ -1,377 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * ION Memory Allocator system heap exporter
- *
- * Copyright (C) 2011 Google, Inc.
- */
-
-#include <asm/page.h>
-#include <linux/dma-mapping.h>
-#include <linux/err.h>
-#include <linux/highmem.h>
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include "ion.h"
-
-#define NUM_ORDERS ARRAY_SIZE(orders)
-
-static gfp_t high_order_gfp_flags = (GFP_HIGHUSER | __GFP_ZERO | __GFP_NOWARN |
-				     __GFP_NORETRY) & ~__GFP_RECLAIM;
-static gfp_t low_order_gfp_flags  = GFP_HIGHUSER | __GFP_ZERO;
-static const unsigned int orders[] = {8, 4, 0};
-
-static int order_to_index(unsigned int order)
-{
-	int i;
-
-	for (i = 0; i < NUM_ORDERS; i++)
-		if (order == orders[i])
-			return i;
-	BUG();
-	return -1;
-}
-
-static inline unsigned int order_to_size(int order)
-{
-	return PAGE_SIZE << order;
-}
-
-struct ion_system_heap {
-	struct ion_heap heap;
-	struct ion_page_pool *pools[NUM_ORDERS];
-};
-
-static struct page *alloc_buffer_page(struct ion_system_heap *heap,
-				      struct ion_buffer *buffer,
-				      unsigned long order)
-{
-	struct ion_page_pool *pool = heap->pools[order_to_index(order)];
-
-	return ion_page_pool_alloc(pool);
-}
-
-static void free_buffer_page(struct ion_system_heap *heap,
-			     struct ion_buffer *buffer, struct page *page)
-{
-	struct ion_page_pool *pool;
-	unsigned int order = compound_order(page);
-
-	/* go to system */
-	if (buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE) {
-		__free_pages(page, order);
-		return;
-	}
-
-	pool = heap->pools[order_to_index(order)];
-
-	ion_page_pool_free(pool, page);
-}
-
-static struct page *alloc_largest_available(struct ion_system_heap *heap,
-					    struct ion_buffer *buffer,
-					    unsigned long size,
-					    unsigned int max_order)
-{
-	struct page *page;
-	int i;
-
-	for (i = 0; i < NUM_ORDERS; i++) {
-		if (size < order_to_size(orders[i]))
-			continue;
-		if (max_order < orders[i])
-			continue;
-
-		page = alloc_buffer_page(heap, buffer, orders[i]);
-		if (!page)
-			continue;
-
-		return page;
-	}
-
-	return NULL;
-}
-
-static int ion_system_heap_allocate(struct ion_heap *heap,
-				    struct ion_buffer *buffer,
-				    unsigned long size,
-				    unsigned long flags)
-{
-	struct ion_system_heap *sys_heap = container_of(heap,
-							struct ion_system_heap,
-							heap);
-	struct sg_table *table;
-	struct scatterlist *sg;
-	struct list_head pages;
-	struct page *page, *tmp_page;
-	int i = 0;
-	unsigned long size_remaining = PAGE_ALIGN(size);
-	unsigned int max_order = orders[0];
-
-	if (size / PAGE_SIZE > totalram_pages() / 2)
-		return -ENOMEM;
-
-	INIT_LIST_HEAD(&pages);
-	while (size_remaining > 0) {
-		page = alloc_largest_available(sys_heap, buffer, size_remaining,
-					       max_order);
-		if (!page)
-			goto free_pages;
-		list_add_tail(&page->lru, &pages);
-		size_remaining -= page_size(page);
-		max_order = compound_order(page);
-		i++;
-	}
-	table = kmalloc(sizeof(*table), GFP_KERNEL);
-	if (!table)
-		goto free_pages;
-
-	if (sg_alloc_table(table, i, GFP_KERNEL))
-		goto free_table;
-
-	sg = table->sgl;
-	list_for_each_entry_safe(page, tmp_page, &pages, lru) {
-		sg_set_page(sg, page, page_size(page), 0);
-		sg = sg_next(sg);
-		list_del(&page->lru);
-	}
-
-	buffer->sg_table = table;
-	return 0;
-
-free_table:
-	kfree(table);
-free_pages:
-	list_for_each_entry_safe(page, tmp_page, &pages, lru)
-		free_buffer_page(sys_heap, buffer, page);
-	return -ENOMEM;
-}
-
-static void ion_system_heap_free(struct ion_buffer *buffer)
-{
-	struct ion_system_heap *sys_heap = container_of(buffer->heap,
-							struct ion_system_heap,
-							heap);
-	struct sg_table *table = buffer->sg_table;
-	struct scatterlist *sg;
-	int i;
-
-	/* zero the buffer before goto page pool */
-	if (!(buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE))
-		ion_heap_buffer_zero(buffer);
-
-	for_each_sgtable_sg(table, sg, i)
-		free_buffer_page(sys_heap, buffer, sg_page(sg));
-	sg_free_table(table);
-	kfree(table);
-}
-
-static int ion_system_heap_shrink(struct ion_heap *heap, gfp_t gfp_mask,
-				  int nr_to_scan)
-{
-	struct ion_page_pool *pool;
-	struct ion_system_heap *sys_heap;
-	int nr_total = 0;
-	int i, nr_freed;
-	int only_scan = 0;
-
-	sys_heap = container_of(heap, struct ion_system_heap, heap);
-
-	if (!nr_to_scan)
-		only_scan = 1;
-
-	for (i = 0; i < NUM_ORDERS; i++) {
-		pool = sys_heap->pools[i];
-
-		if (only_scan) {
-			nr_total += ion_page_pool_shrink(pool,
-							 gfp_mask,
-							 nr_to_scan);
-
-		} else {
-			nr_freed = ion_page_pool_shrink(pool,
-							gfp_mask,
-							nr_to_scan);
-			nr_to_scan -= nr_freed;
-			nr_total += nr_freed;
-			if (nr_to_scan <= 0)
-				break;
-		}
-	}
-	return nr_total;
-}
-
-static struct ion_heap_ops system_heap_ops = {
-	.allocate = ion_system_heap_allocate,
-	.free = ion_system_heap_free,
-	.map_kernel = ion_heap_map_kernel,
-	.unmap_kernel = ion_heap_unmap_kernel,
-	.map_user = ion_heap_map_user,
-	.shrink = ion_system_heap_shrink,
-};
-
-static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
-{
-	int i;
-
-	for (i = 0; i < NUM_ORDERS; i++)
-		if (pools[i])
-			ion_page_pool_destroy(pools[i]);
-}
-
-static int ion_system_heap_create_pools(struct ion_page_pool **pools)
-{
-	int i;
-
-	for (i = 0; i < NUM_ORDERS; i++) {
-		struct ion_page_pool *pool;
-		gfp_t gfp_flags = low_order_gfp_flags;
-
-		if (orders[i] > 4)
-			gfp_flags = high_order_gfp_flags;
-
-		pool = ion_page_pool_create(gfp_flags, orders[i]);
-		if (!pool)
-			goto err_create_pool;
-		pools[i] = pool;
-	}
-
-	return 0;
-
-err_create_pool:
-	ion_system_heap_destroy_pools(pools);
-	return -ENOMEM;
-}
-
-static struct ion_heap *__ion_system_heap_create(void)
-{
-	struct ion_system_heap *heap;
-
-	heap = kzalloc(sizeof(*heap), GFP_KERNEL);
-	if (!heap)
-		return ERR_PTR(-ENOMEM);
-	heap->heap.ops = &system_heap_ops;
-	heap->heap.type = ION_HEAP_TYPE_SYSTEM;
-	heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE;
-
-	if (ion_system_heap_create_pools(heap->pools))
-		goto free_heap;
-
-	return &heap->heap;
-
-free_heap:
-	kfree(heap);
-	return ERR_PTR(-ENOMEM);
-}
-
-static int ion_system_heap_create(void)
-{
-	struct ion_heap *heap;
-
-	heap = __ion_system_heap_create();
-	if (IS_ERR(heap))
-		return PTR_ERR(heap);
-	heap->name = "ion_system_heap";
-
-	ion_device_add_heap(heap);
-
-	return 0;
-}
-device_initcall(ion_system_heap_create);
-
-static int ion_system_contig_heap_allocate(struct ion_heap *heap,
-					   struct ion_buffer *buffer,
-					   unsigned long len,
-					   unsigned long flags)
-{
-	int order = get_order(len);
-	struct page *page;
-	struct sg_table *table;
-	unsigned long i;
-	int ret;
-
-	page = alloc_pages(low_order_gfp_flags | __GFP_NOWARN, order);
-	if (!page)
-		return -ENOMEM;
-
-	split_page(page, order);
-
-	len = PAGE_ALIGN(len);
-	for (i = len >> PAGE_SHIFT; i < (1 << order); i++)
-		__free_page(page + i);
-
-	table = kmalloc(sizeof(*table), GFP_KERNEL);
-	if (!table) {
-		ret = -ENOMEM;
-		goto free_pages;
-	}
-
-	ret = sg_alloc_table(table, 1, GFP_KERNEL);
-	if (ret)
-		goto free_table;
-
-	sg_set_page(table->sgl, page, len, 0);
-
-	buffer->sg_table = table;
-
-	return 0;
-
-free_table:
-	kfree(table);
-free_pages:
-	for (i = 0; i < len >> PAGE_SHIFT; i++)
-		__free_page(page + i);
-
-	return ret;
-}
-
-static void ion_system_contig_heap_free(struct ion_buffer *buffer)
-{
-	struct sg_table *table = buffer->sg_table;
-	struct page *page = sg_page(table->sgl);
-	unsigned long pages = PAGE_ALIGN(buffer->size) >> PAGE_SHIFT;
-	unsigned long i;
-
-	for (i = 0; i < pages; i++)
-		__free_page(page + i);
-	sg_free_table(table);
-	kfree(table);
-}
-
-static struct ion_heap_ops kmalloc_ops = {
-	.allocate = ion_system_contig_heap_allocate,
-	.free = ion_system_contig_heap_free,
-	.map_kernel = ion_heap_map_kernel,
-	.unmap_kernel = ion_heap_unmap_kernel,
-	.map_user = ion_heap_map_user,
-};
-
-static struct ion_heap *__ion_system_contig_heap_create(void)
-{
-	struct ion_heap *heap;
-
-	heap = kzalloc(sizeof(*heap), GFP_KERNEL);
-	if (!heap)
-		return ERR_PTR(-ENOMEM);
-	heap->ops = &kmalloc_ops;
-	heap->type = ION_HEAP_TYPE_SYSTEM_CONTIG;
-	heap->name = "ion_system_contig_heap";
-
-	return heap;
-}
-
-static int ion_system_contig_heap_create(void)
-{
-	struct ion_heap *heap;
-
-	heap = __ion_system_contig_heap_create();
-	if (IS_ERR(heap))
-		return PTR_ERR(heap);
-
-	ion_device_add_heap(heap);
-
-	return 0;
-}
-device_initcall(ion_system_contig_heap_create);
diff --git a/drivers/staging/android/ion/ion_trace.h b/drivers/staging/android/ion/ion_trace.h
new file mode 100644
index 0000000..eacb47d
--- /dev/null
+++ b/drivers/staging/android/ion/ion_trace.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * drivers/staging/android/ion/ion-trace.h
+ *
+ * Copyright (C) 2020 Google, Inc.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ion
+
+#if !defined(_ION_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _ION_TRACE_H
+
+#include <linux/tracepoint.h>
+
+#ifndef __ION_PTR_TO_HASHVAL
+static unsigned int __maybe_unused __ion_ptr_to_hash(const void *ptr)
+{
+	unsigned long hashval;
+
+	if (ptr_to_hashval(ptr, &hashval))
+		return 0;
+
+	/* The hashed value is only 32-bit */
+	return (unsigned int)hashval;
+}
+
+#define __ION_PTR_TO_HASHVAL
+#endif
+
+TRACE_EVENT(ion_stat,
+	    TP_PROTO(const void *addr, long len,
+		     unsigned long total_allocated),
+	    TP_ARGS(addr, len, total_allocated),
+	    TP_STRUCT__entry(__field(unsigned int, buffer_id)
+		__field(long, len)
+		__field(unsigned long, total_allocated)
+	    ),
+	    TP_fast_assign(__entry->buffer_id = __ion_ptr_to_hash(addr);
+		__entry->len = len;
+		__entry->total_allocated = total_allocated;
+	    ),
+	    TP_printk("buffer_id=%u len=%ldB total_allocated=%ldB",
+		      __entry->buffer_id,
+		      __entry->len,
+		      __entry->total_allocated)
+	    );
+
+#endif /* _ION_TRACE_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE ion_trace
+#include <trace/define_trace.h>
diff --git a/drivers/staging/android/uapi/ashmem.h b/drivers/staging/android/uapi/ashmem.h
index 5442e00..1eb88ce 100644
--- a/drivers/staging/android/uapi/ashmem.h
+++ b/drivers/staging/android/uapi/ashmem.h
@@ -41,5 +41,6 @@
 #define ASHMEM_UNPIN		_IOW(__ASHMEMIOC, 8, struct ashmem_pin)
 #define ASHMEM_GET_PIN_STATUS	_IO(__ASHMEMIOC, 9)
 #define ASHMEM_PURGE_ALL_CACHES	_IO(__ASHMEMIOC, 10)
+#define ASHMEM_GET_FILE_ID		_IOR(__ASHMEMIOC, 11, unsigned long)
 
 #endif	/* _UAPI_LINUX_ASHMEM_H */
diff --git a/drivers/staging/android/uapi/ion.h b/drivers/staging/android/uapi/ion.h
deleted file mode 100644
index 46c93fc..0000000
--- a/drivers/staging/android/uapi/ion.h
+++ /dev/null
@@ -1,127 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/*
- * drivers/staging/android/uapi/ion.h
- *
- * Copyright (C) 2011 Google, Inc.
- */
-
-#ifndef _UAPI_LINUX_ION_H
-#define _UAPI_LINUX_ION_H
-
-#include <linux/ioctl.h>
-#include <linux/types.h>
-
-/**
- * enum ion_heap_types - list of all possible types of heaps
- * @ION_HEAP_TYPE_SYSTEM:	 memory allocated via vmalloc
- * @ION_HEAP_TYPE_SYSTEM_CONTIG: memory allocated via kmalloc
- * @ION_HEAP_TYPE_CARVEOUT:	 memory allocated from a prereserved
- *				 carveout heap, allocations are physically
- *				 contiguous
- * @ION_HEAP_TYPE_DMA:		 memory allocated via DMA API
- * @ION_NUM_HEAPS:		 helper for iterating over heaps, a bit mask
- *				 is used to identify the heaps, so only 32
- *				 total heap types are supported
- */
-enum ion_heap_type {
-	ION_HEAP_TYPE_SYSTEM,
-	ION_HEAP_TYPE_SYSTEM_CONTIG,
-	ION_HEAP_TYPE_CARVEOUT,
-	ION_HEAP_TYPE_CHUNK,
-	ION_HEAP_TYPE_DMA,
-	ION_HEAP_TYPE_CUSTOM, /*
-			       * must be last so device specific heaps always
-			       * are at the end of this enum
-			       */
-};
-
-#define ION_NUM_HEAP_IDS		(sizeof(unsigned int) * 8)
-
-/**
- * allocation flags - the lower 16 bits are used by core ion, the upper 16
- * bits are reserved for use by the heaps themselves.
- */
-
-/*
- * mappings of this buffer should be cached, ion will do cache maintenance
- * when the buffer is mapped for dma
- */
-#define ION_FLAG_CACHED 1
-
-/**
- * DOC: Ion Userspace API
- *
- * create a client by opening /dev/ion
- * most operations handled via following ioctls
- *
- */
-
-/**
- * struct ion_allocation_data - metadata passed from userspace for allocations
- * @len:		size of the allocation
- * @heap_id_mask:	mask of heap ids to allocate from
- * @flags:		flags passed to heap
- * @handle:		pointer that will be populated with a cookie to use to
- *			refer to this allocation
- *
- * Provided by userspace as an argument to the ioctl
- */
-struct ion_allocation_data {
-	__u64 len;
-	__u32 heap_id_mask;
-	__u32 flags;
-	__u32 fd;
-	__u32 unused;
-};
-
-#define MAX_HEAP_NAME			32
-
-/**
- * struct ion_heap_data - data about a heap
- * @name - first 32 characters of the heap name
- * @type - heap type
- * @heap_id - heap id for the heap
- */
-struct ion_heap_data {
-	char name[MAX_HEAP_NAME];
-	__u32 type;
-	__u32 heap_id;
-	__u32 reserved0;
-	__u32 reserved1;
-	__u32 reserved2;
-};
-
-/**
- * struct ion_heap_query - collection of data about all heaps
- * @cnt - total number of heaps to be copied
- * @heaps - buffer to copy heap data
- */
-struct ion_heap_query {
-	__u32 cnt; /* Total number of heaps to be copied */
-	__u32 reserved0; /* align to 64bits */
-	__u64 heaps; /* buffer to be populated */
-	__u32 reserved1;
-	__u32 reserved2;
-};
-
-#define ION_IOC_MAGIC		'I'
-
-/**
- * DOC: ION_IOC_ALLOC - allocate memory
- *
- * Takes an ion_allocation_data struct and returns it with the handle field
- * populated with the opaque handle for the allocation.
- */
-#define ION_IOC_ALLOC		_IOWR(ION_IOC_MAGIC, 0, \
-				      struct ion_allocation_data)
-
-/**
- * DOC: ION_IOC_HEAP_QUERY - information about available heaps
- *
- * Takes an ion_heap_query structure and populates information about
- * available Ion heaps.
- */
-#define ION_IOC_HEAP_QUERY     _IOWR(ION_IOC_MAGIC, 8, \
-					struct ion_heap_query)
-
-#endif /* _UAPI_LINUX_ION_H */
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 56ae882..1411f0c 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3652,6 +3652,7 @@
 MODULE_DESCRIPTION("Target_Core_Mod/ConfigFS");
 MODULE_AUTHOR("nab@Linux-iSCSI.org");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 
 module_init(target_core_init_configfs);
 module_exit(target_core_exit_configfs);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 18fbbe5..3d92f37 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -956,6 +956,7 @@
 MODULE_DESCRIPTION("TCM FILEIO subsystem plugin");
 MODULE_AUTHOR("nab@Linux-iSCSI.org");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 
 module_init(fileio_module_init);
 module_exit(fileio_module_exit);
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index f2bd2e2..b098786 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -314,10 +314,8 @@
 	 * Only allocate as many vector entries as the bio code allows us to,
 	 * we'll loop later on until we have handled the whole request.
 	 */
-	if (sg_num > BIO_MAX_PAGES)
-		sg_num = BIO_MAX_PAGES;
-
-	bio = bio_alloc_bioset(GFP_NOIO, sg_num, &ib_dev->ibd_bio_set);
+	bio = bio_alloc_bioset(GFP_NOIO, bio_max_segs(sg_num),
+				&ib_dev->ibd_bio_set);
 	if (!bio) {
 		pr_err("Unable to allocate memory for bio\n");
 		return NULL;
@@ -637,8 +635,7 @@
 		return -ENODEV;
 	}
 
-	bip = bio_integrity_alloc(bio, GFP_NOIO,
-			min_t(unsigned int, cmd->t_prot_nents, BIO_MAX_PAGES));
+	bip = bio_integrity_alloc(bio, GFP_NOIO, bio_max_segs(cmd->t_prot_nents));
 	if (IS_ERR(bip)) {
 		pr_err("Unable to allocate bio_integrity_payload\n");
 		return PTR_ERR(bip);
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index f10f0aa..34d932e 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -882,7 +882,7 @@
 
 			if (!bio) {
 new_bio:
-				nr_vecs = min_t(int, BIO_MAX_PAGES, nr_pages);
+				nr_vecs = bio_max_segs(nr_pages);
 				nr_pages -= nr_vecs;
 				/*
 				 * Calls bio_kmalloc() and sets bio->bi_end_io()
diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
index 6e1d6a3..aee7ad4 100644
--- a/drivers/thermal/cpufreq_cooling.c
+++ b/drivers/thermal/cpufreq_cooling.c
@@ -23,6 +23,7 @@
 #include <linux/thermal.h>
 
 #include <trace/events/thermal.h>
+#include <trace/hooks/thermal.h>
 
 /*
  * Cooling state <-> CPUFreq frequency
@@ -213,6 +214,8 @@
 
 	freq = cpufreq_quick_get(policy->cpu);
 
+	trace_android_vh_modify_thermal_request_freq(policy, &freq);
+
 	if (trace_thermal_power_cpu_get_power_enabled()) {
 		u32 ncpus = cpumask_weight(policy->related_cpus);
 
@@ -312,6 +315,8 @@
 	normalised_power = (power * 100) / last_load;
 	target_freq = cpu_power_to_freq(cpufreq_cdev, normalised_power);
 
+	trace_android_vh_modify_thermal_target_freq(policy, &target_freq);
+
 	*state = get_level(cpufreq_cdev, target_freq);
 	trace_thermal_power_cpu_limit(policy->related_cpus, target_freq, *state,
 				      power);
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
index ab0be26..e9504d2 100644
--- a/drivers/thermal/gov_power_allocator.c
+++ b/drivers/thermal/gov_power_allocator.c
@@ -14,6 +14,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/thermal_power_allocator.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/thermal.h>
 
 #include "thermal_core.h"
 
@@ -409,6 +411,7 @@
 	}
 
 	power_range = pid_controller(tz, control_temp, max_allocatable_power);
+	trace_android_vh_thermal_power_cap(&power_range);
 
 	divvy_up_power(weighted_req_power, max_power, num_actors,
 		       total_weighted_req_power, power_range, granted_power,
@@ -607,6 +610,7 @@
 	int ret;
 	int switch_on_temp, control_temp;
 	struct power_allocator_params *params = tz->governor_data;
+	int enable = 1, override = 0;
 
 	/*
 	 * We get called for every trip point but we only need to do
@@ -615,9 +619,12 @@
 	if (trip != params->trip_max_desired_temperature)
 		return 0;
 
-	ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
-				     &switch_on_temp);
-	if (!ret && (tz->temperature < switch_on_temp)) {
+	trace_android_vh_enable_thermal_power_throttle(&enable, &override);
+	if (enable)
+		ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
+					     &switch_on_temp);
+	if (!enable || (!ret && (tz->temperature < switch_on_temp) &&
+			!override)) {
 		tz->passive = 0;
 		reset_pid_controller(params);
 		allow_maximum_power(tz);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 1cf4991..269f302 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -23,6 +23,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/thermal.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/thermal.h>
 
 #include "thermal_core.h"
 #include "thermal_hwmon.h"
@@ -542,6 +544,7 @@
 
 	return mode == THERMAL_DEVICE_ENABLED;
 }
+EXPORT_SYMBOL_GPL(thermal_zone_device_is_enabled);
 
 void thermal_zone_device_update(struct thermal_zone_device *tz,
 				enum thermal_notify_event event)
@@ -565,6 +568,8 @@
 
 	for (count = 0; count < tz->trips; count++)
 		handle_thermal_trip(tz, count);
+
+	trace_android_vh_get_thermal_zone_device(tz);
 }
 EXPORT_SYMBOL_GPL(thermal_zone_device_update);
 
@@ -1094,7 +1099,10 @@
 {
 	struct thermal_cooling_device *cdev;
 	struct thermal_zone_device *pos = NULL;
-	int id, ret;
+	int result;
+
+	if (type && strlen(type) >= THERMAL_NAME_LENGTH)
+		return ERR_PTR(-EINVAL);
 
 	if (!ops || !ops->get_max_state || !ops->get_cur_state ||
 	    !ops->set_cur_state)
@@ -1104,18 +1112,14 @@
 	if (!cdev)
 		return ERR_PTR(-ENOMEM);
 
-	ret = ida_simple_get(&thermal_cdev_ida, 0, 0, GFP_KERNEL);
-	if (ret < 0)
-		goto out_kfree_cdev;
-	cdev->id = ret;
-	id = ret;
-
-	cdev->type = kstrdup(type ? type : "", GFP_KERNEL);
-	if (!cdev->type) {
-		ret = -ENOMEM;
-		goto out_ida_remove;
+	result = ida_simple_get(&thermal_cdev_ida, 0, 0, GFP_KERNEL);
+	if (result < 0) {
+		kfree(cdev);
+		return ERR_PTR(result);
 	}
 
+	cdev->id = result;
+	strlcpy(cdev->type, type ? : "", sizeof(cdev->type));
 	mutex_init(&cdev->lock);
 	INIT_LIST_HEAD(&cdev->thermal_instances);
 	cdev->np = np;
@@ -1125,9 +1129,12 @@
 	cdev->devdata = devdata;
 	thermal_cooling_device_setup_sysfs(cdev);
 	dev_set_name(&cdev->device, "cooling_device%d", cdev->id);
-	ret = device_register(&cdev->device);
-	if (ret)
-		goto out_kfree_type;
+	result = device_register(&cdev->device);
+	if (result) {
+		ida_simple_remove(&thermal_cdev_ida, cdev->id);
+		put_device(&cdev->device);
+		return ERR_PTR(result);
+	}
 
 	/* Add 'this' new cdev to the global cdev list */
 	mutex_lock(&thermal_list_lock);
@@ -1145,17 +1152,6 @@
 	mutex_unlock(&thermal_list_lock);
 
 	return cdev;
-
-out_kfree_type:
-	thermal_cooling_device_destroy_sysfs(cdev);
-	kfree(cdev->type);
-	put_device(&cdev->device);
-	cdev = NULL;
-out_ida_remove:
-	ida_simple_remove(&thermal_cdev_ida, id);
-out_kfree_cdev:
-	kfree(cdev);
-	return ERR_PTR(ret);
 }
 
 /**
@@ -1314,7 +1310,6 @@
 	ida_simple_remove(&thermal_cdev_ida, cdev->id);
 	device_del(&cdev->device);
 	thermal_cooling_device_destroy_sysfs(cdev);
-	kfree(cdev->type);
 	put_device(&cdev->device);
 }
 EXPORT_SYMBOL_GPL(thermal_cooling_device_unregister);
@@ -1625,6 +1620,7 @@
 			     unsigned long mode, void *_unused)
 {
 	struct thermal_zone_device *tz;
+	int irq_wakeable = 0;
 
 	switch (mode) {
 	case PM_HIBERNATION_PREPARE:
@@ -1640,6 +1636,10 @@
 			if (!thermal_zone_device_is_enabled(tz))
 				continue;
 
+			trace_android_vh_thermal_pm_notify_suspend(tz, &irq_wakeable);
+			if (irq_wakeable)
+				continue;
+
 			thermal_zone_device_init(tz);
 			thermal_zone_device_update(tz,
 						   THERMAL_EVENT_UNSPECIFIED);
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 681209d..5e80cb3 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -179,6 +179,4 @@
 }
 #endif
 
-int thermal_zone_device_is_enabled(struct thermal_zone_device *tz);
-
 #endif /* __THERMAL_CORE_H__ */
diff --git a/drivers/thermal/thermal_netlink.c b/drivers/thermal/thermal_netlink.c
index 41c8d47..ca1054b 100644
--- a/drivers/thermal/thermal_netlink.c
+++ b/drivers/thermal/thermal_netlink.c
@@ -9,6 +9,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <net/genetlink.h>
+#include <trace/hooks/thermal.h>
 #include <uapi/linux/thermal.h>
 
 #include "thermal_core.h"
@@ -229,6 +230,11 @@
 	struct sk_buff *msg;
 	int ret = -EMSGSIZE;
 	void *hdr;
+	int enable_thermal_genl = 1;
+
+	trace_android_vh_enable_thermal_genl_check(event, p->tz_id, &enable_thermal_genl);
+	if (!enable_thermal_genl)
+		return 0;
 
 	msg = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
 	if (!msg)
diff --git a/drivers/tty/hvc/Kconfig b/drivers/tty/hvc/Kconfig
index 8d60e0f..ee2eba4 100644
--- a/drivers/tty/hvc/Kconfig
+++ b/drivers/tty/hvc/Kconfig
@@ -87,6 +87,27 @@
 	  driver. This console is used through a JTAG only on ARM. If you don't have
 	  a JTAG then you probably don't want this option.
 
+config HVC_DCC_SERIALIZE_SMP
+	bool "Use DCC only on core 0"
+	depends on SMP && HVC_DCC
+	help
+	  Some debuggers, such as Trace32 from Lauterbach GmbH, do not handle
+	  reads/writes from/to DCC on more than one core. Each core has its
+	  own DCC device registers, so when a core reads or writes from/to DCC,
+	  it only accesses its own DCC device. Since kernel code can run on
+	  any core, every time the kernel wants to write to the console, it
+	  might write to a different DCC.
+
+	  In SMP mode, Trace32 only uses the DCC on core 0. In AMP mode, it
+	  creates multiple windows, and each window shows the DCC output
+	  only from that core's DCC. The result is that console output is
+	  either lost or scattered across windows.
+
+	  Selecting this option will enable code that serializes all console
+	  input and output to core 0. The DCC driver will create input and
+	  output FIFOs that all cores will use. Reads and writes from/to DCC
+	  are handled by a workqueue that runs only core 0.
+
 config HVC_RISCV_SBI
 	bool "RISC-V SBI console support"
 	depends on RISCV_SBI_V01
diff --git a/drivers/tty/hvc/hvc_console.h b/drivers/tty/hvc/hvc_console.h
index 18d0058..97200fb 100644
--- a/drivers/tty/hvc/hvc_console.h
+++ b/drivers/tty/hvc/hvc_console.h
@@ -30,7 +30,7 @@
  * for the tty device.  Since this driver supports hotplug of vty adapters we
  * need to make sure we have enough allocated.
  */
-#define HVC_ALLOC_TTY_ADAPTERS	8
+#define HVC_ALLOC_TTY_ADAPTERS	64
 
 struct hvc_struct {
 	struct tty_port port;
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 8e0edb7..f419a95 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -3,14 +3,24 @@
 
 #include <linux/console.h>
 #include <linux/init.h>
+#include <linux/kfifo.h>
+#include <linux/moduleparam.h>
 #include <linux/serial.h>
 #include <linux/serial_core.h>
+#include <linux/spinlock.h>
 
 #include <asm/dcc.h>
 #include <asm/processor.h>
 
 #include "hvc_console.h"
 
+/*
+ * Disable DCC driver at runtime. Want driver enabled for GKI, but some devices
+ * do not support the registers and crash when driver pokes the registers
+ */
+static bool enable;
+module_param(enable, bool, 0444);
+
 /* DCC Status Bits */
 #define DCC_STATUS_RX		(1 << 30)
 #define DCC_STATUS_TX		(1 << 29)
@@ -67,31 +77,186 @@
 	return i;
 }
 
+/*
+ * Check if the DCC is enabled.  If CONFIG_HVC_DCC_SERIALIZE_SMP is enabled,
+ * then we assume then this function will be called first on core 0.  That
+ * way, dcc_core0_available will be true only if it's available on core 0.
+ */
 static bool hvc_dcc_check(void)
 {
 	unsigned long time = jiffies + (HZ / 10);
 
+#ifdef CONFIG_HVC_DCC_SERIALIZE_SMP
+	static bool dcc_core0_available;
+
+	/*
+	 * If we're not on core 0, but we previously confirmed that DCC is
+	 * active, then just return true.
+	 */
+	if (smp_processor_id() && dcc_core0_available)
+		return true;
+#endif
+
 	/* Write a test character to check if it is handled */
 	__dcc_putchar('\n');
 
 	while (time_is_after_jiffies(time)) {
-		if (!(__dcc_getstatus() & DCC_STATUS_TX))
+		if (!(__dcc_getstatus() & DCC_STATUS_TX)) {
+#ifdef CONFIG_HVC_DCC_SERIALIZE_SMP
+			dcc_core0_available = true;
+#endif
 			return true;
+		}
 	}
 
 	return false;
 }
 
+#ifdef CONFIG_HVC_DCC_SERIALIZE_SMP
+
+static void dcc_put_work_fn(struct work_struct *work);
+static void dcc_get_work_fn(struct work_struct *work);
+static DECLARE_WORK(dcc_pwork, dcc_put_work_fn);
+static DECLARE_WORK(dcc_gwork, dcc_get_work_fn);
+static DEFINE_SPINLOCK(dcc_lock);
+static DEFINE_KFIFO(inbuf, unsigned char, 128);
+static DEFINE_KFIFO(outbuf, unsigned char, 1024);
+
+/*
+ * Workqueue function that writes the output FIFO to the DCC on core 0.
+ */
+static void dcc_put_work_fn(struct work_struct *work)
+{
+	unsigned char ch;
+	unsigned long irqflags;
+
+	spin_lock_irqsave(&dcc_lock, irqflags);
+
+	/* While there's data in the output FIFO, write it to the DCC */
+	while (kfifo_get(&outbuf, &ch))
+		hvc_dcc_put_chars(0, &ch, 1);
+
+	/* While we're at it, check for any input characters */
+	while (!kfifo_is_full(&inbuf)) {
+		if (!hvc_dcc_get_chars(0, &ch, 1))
+			break;
+		kfifo_put(&inbuf, ch);
+	}
+
+	spin_unlock_irqrestore(&dcc_lock, irqflags);
+}
+
+/*
+ * Workqueue function that reads characters from DCC and puts them into the
+ * input FIFO.
+ */
+static void dcc_get_work_fn(struct work_struct *work)
+{
+	unsigned char ch;
+	unsigned long irqflags;
+
+	/*
+	 * Read characters from DCC and put them into the input FIFO, as
+	 * long as there is room and we have characters to read.
+	 */
+	spin_lock_irqsave(&dcc_lock, irqflags);
+
+	while (!kfifo_is_full(&inbuf)) {
+		if (!hvc_dcc_get_chars(0, &ch, 1))
+			break;
+		kfifo_put(&inbuf, ch);
+	}
+	spin_unlock_irqrestore(&dcc_lock, irqflags);
+}
+
+/*
+ * Write characters directly to the DCC if we're on core 0 and the FIFO
+ * is empty, or write them to the FIFO if we're not.
+ */
+static int hvc_dcc0_put_chars(uint32_t vt, const char *buf,
+					     int count)
+{
+	int len;
+	unsigned long irqflags;
+
+	spin_lock_irqsave(&dcc_lock, irqflags);
+	if (smp_processor_id() || (!kfifo_is_empty(&outbuf))) {
+		len = kfifo_in(&outbuf, buf, count);
+		spin_unlock_irqrestore(&dcc_lock, irqflags);
+		/*
+		 * We just push data to the output FIFO, so schedule the
+		 * workqueue that will actually write that data to DCC.
+		 */
+		schedule_work_on(0, &dcc_pwork);
+		return len;
+	}
+
+	/*
+	 * If we're already on core 0, and the FIFO is empty, then just
+	 * write the data to DCC.
+	 */
+	len = hvc_dcc_put_chars(vt, buf, count);
+	spin_unlock_irqrestore(&dcc_lock, irqflags);
+
+	return len;
+}
+
+/*
+ * Read characters directly from the DCC if we're on core 0 and the FIFO
+ * is empty, or read them from the FIFO if we're not.
+ */
+static int hvc_dcc0_get_chars(uint32_t vt, char *buf, int count)
+{
+	int len;
+	unsigned long irqflags;
+
+	spin_lock_irqsave(&dcc_lock, irqflags);
+
+	if (smp_processor_id() || (!kfifo_is_empty(&inbuf))) {
+		len = kfifo_out(&inbuf, buf, count);
+		spin_unlock_irqrestore(&dcc_lock, irqflags);
+
+		/*
+		 * If the FIFO was empty, there may be characters in the DCC
+		 * that we haven't read yet.  Schedule a workqueue to fill
+		 * the input FIFO, so that the next time this function is
+		 * called, we'll have data.
+		*/
+		if (!len)
+			schedule_work_on(0, &dcc_gwork);
+
+		return len;
+	}
+
+	/*
+	 * If we're already on core 0, and the FIFO is empty, then just
+	 * read the data from DCC.
+	 */
+	len = hvc_dcc_get_chars(vt, buf, count);
+	spin_unlock_irqrestore(&dcc_lock, irqflags);
+
+	return len;
+}
+
+static const struct hv_ops hvc_dcc_get_put_ops = {
+	.get_chars = hvc_dcc0_get_chars,
+	.put_chars = hvc_dcc0_put_chars,
+};
+
+#else
+
 static const struct hv_ops hvc_dcc_get_put_ops = {
 	.get_chars = hvc_dcc_get_chars,
 	.put_chars = hvc_dcc_put_chars,
 };
 
+#endif
+
 static int __init hvc_dcc_console_init(void)
 {
 	int ret;
 
-	if (!hvc_dcc_check())
+	if (!enable || !hvc_dcc_check())
 		return -ENODEV;
 
 	/* Returns -1 if error */
@@ -105,7 +270,7 @@
 {
 	struct hvc_struct *p;
 
-	if (!hvc_dcc_check())
+	if (!enable || !hvc_dcc_check())
 		return -ENODEV;
 
 	p = hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index fa49529..11c1ff4 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2246,8 +2246,10 @@
 		gsm->has_devices = false;
 	}
 	for (i = NUM_DLCI - 1; i >= 0; i--)
-		if (gsm->dlci[i])
+		if (gsm->dlci[i]) {
 			gsm_dlci_release(gsm->dlci[i]);
+			gsm->dlci[i] = NULL;
+		}
 	mutex_unlock(&gsm->mutex);
 	/* Now wipe the queues */
 	tty_ldisc_flush(gsm->tty);
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index c5f0d93..fe97d60 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -32,7 +32,18 @@
 	if (len != -ENODEV)
 		return len;
 
-	return of_device_modalias(dev, buf, PAGE_SIZE);
+	len = of_device_modalias(dev, buf, PAGE_SIZE);
+	if (len != -ENODEV)
+		return len;
+
+	if (dev->parent->parent->bus == &platform_bus_type) {
+		struct platform_device *pdev =
+			to_platform_device(dev->parent->parent);
+
+		len = snprintf(buf, PAGE_SIZE, "platform:%s\n", pdev->name);
+	}
+
+	return len;
 }
 static DEVICE_ATTR_RO(modalias);
 
@@ -46,13 +57,18 @@
 {
 	int rc;
 
-	/* TODO: platform modalias */
-
 	rc = acpi_device_uevent_modalias(dev, env);
 	if (rc != -ENODEV)
 		return rc;
 
-	return of_device_uevent_modalias(dev, env);
+	rc = of_device_uevent_modalias(dev, env);
+	if (rc != -ENODEV)
+		return rc;
+
+	if (dev->parent->parent->bus == &platform_bus_type)
+		rc = dev->parent->parent->bus->uevent(dev->parent->parent, env);
+
+	return rc;
 }
 
 static void serdev_device_release(struct device *dev)
@@ -88,11 +104,17 @@
 	if (!is_serdev_device(dev))
 		return 0;
 
-	/* TODO: platform matching */
 	if (acpi_driver_match_device(dev, drv))
 		return 1;
 
-	return of_driver_match_device(dev, drv);
+	if (of_driver_match_device(dev, drv))
+		return 1;
+
+	if (dev->parent->parent->bus == &platform_bus_type &&
+	    dev->parent->parent->bus->match(dev->parent->parent, drv))
+		return 1;
+
+	return 0;
 }
 
 /**
@@ -729,16 +751,45 @@
 }
 #endif /* CONFIG_ACPI */
 
+static int platform_serdev_register_devices(struct serdev_controller *ctrl)
+{
+	struct serdev_device *serdev;
+	int err;
+
+	if (ctrl->dev.parent->bus != &platform_bus_type)
+		return -ENODEV;
+
+	serdev = serdev_device_alloc(ctrl);
+	if (!serdev) {
+		dev_err(&ctrl->dev, "failed to allocate serdev device for %s\n",
+				    dev_name(ctrl->dev.parent));
+		return -ENOMEM;
+	}
+
+	pm_runtime_no_callbacks(&serdev->dev);
+
+	err = serdev_device_add(serdev);
+	if (err) {
+		dev_err(&serdev->dev,
+			"failure adding device. status %d\n", err);
+		serdev_device_put(serdev);
+	}
+
+	return err;
+}
+
+
 /**
- * serdev_controller_add() - Add an serdev controller
+ * serdev_controller_add_platform() - Add an serdev controller
  * @ctrl:	controller to be registered.
+ * @platform:	whether to permit fallthrough to platform device probe
  *
  * Register a controller previously allocated via serdev_controller_alloc() with
- * the serdev core.
+ * the serdev core. Optionally permit probing via a platform device fallback.
  */
-int serdev_controller_add(struct serdev_controller *ctrl)
+int serdev_controller_add_platform(struct serdev_controller *ctrl, bool platform)
 {
-	int ret_of, ret_acpi, ret;
+	int ret, ret_of, ret_acpi, ret_platform = -ENODEV;
 
 	/* Can't register until after driver model init */
 	if (WARN_ON(!is_registered))
@@ -752,9 +803,13 @@
 
 	ret_of = of_serdev_register_devices(ctrl);
 	ret_acpi = acpi_serdev_register_devices(ctrl);
-	if (ret_of && ret_acpi) {
-		dev_dbg(&ctrl->dev, "no devices registered: of:%pe acpi:%pe\n",
-			ERR_PTR(ret_of), ERR_PTR(ret_acpi));
+	if (platform)
+		ret_platform = platform_serdev_register_devices(ctrl);
+	if (ret_of && ret_acpi && ret_platform) {
+		dev_dbg(&ctrl->dev,
+			"no devices registered: of:%pe acpi:%pe platform:%pe\n",
+			ERR_PTR(ret_of), ERR_PTR(ret_acpi),
+			ERR_PTR(ret_platform));
 		ret = -ENODEV;
 		goto err_rpm_disable;
 	}
@@ -768,7 +823,7 @@
 	device_del(&ctrl->dev);
 	return ret;
 };
-EXPORT_SYMBOL_GPL(serdev_controller_add);
+EXPORT_SYMBOL_GPL(serdev_controller_add_platform);
 
 /* Remove a device associated with a controller */
 static int serdev_remove_device(struct device *dev, void *data)
diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c
index d367803e..6cdffde 100644
--- a/drivers/tty/serdev/serdev-ttyport.c
+++ b/drivers/tty/serdev/serdev-ttyport.c
@@ -7,9 +7,15 @@
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
 #include <linux/poll.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
 
 #define SERPORT_ACTIVE		1
 
+static char *pdev_tty_port;
+module_param(pdev_tty_port, charp, 0644);
+MODULE_PARM_DESC(pdev_tty_port, "platform device tty port to claim");
+
 struct serport {
 	struct tty_port *port;
 	struct tty_struct *tty;
@@ -267,6 +273,7 @@
 {
 	struct serdev_controller *ctrl;
 	struct serport *serport;
+	bool platform = false;
 	int ret;
 
 	if (!port || !drv || !parent)
@@ -286,7 +293,28 @@
 	port->client_ops = &client_ops;
 	port->client_data = ctrl;
 
-	ret = serdev_controller_add(ctrl);
+	/* There is not always a way to bind specific platform devices because
+	 * they may be defined on platforms without DT or ACPI. When dealing
+	 * with a platform devices, do not allow direct binding unless it is
+	 * whitelisted by module parameter. If a platform device is otherwise
+	 * described by DT or ACPI it will still be bound and this check will
+	 * be ignored.
+	 */
+	if (parent->bus == &platform_bus_type) {
+		if (pdev_tty_port) {
+			unsigned long pdev_idx;
+			int tty_len = strlen(drv->name);
+
+			if (!strncmp(pdev_tty_port, drv->name, tty_len)) {
+				if (!kstrtoul(pdev_tty_port + tty_len, 10,
+					     &pdev_idx) && pdev_idx == idx) {
+					platform = true;
+				}
+			}
+		}
+	}
+
+	ret = serdev_controller_add_platform(ctrl, platform);
 	if (ret)
 		goto err_reset_data;
 
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 61b1149..0771cd2 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -87,6 +87,7 @@
 #define UART_BUG_TXEN	(1 << 1)	/* UART has buggy TX IIR status */
 #define UART_BUG_NOMSR	(1 << 2)	/* UART has buggy MSR status bits (Au1x00) */
 #define UART_BUG_THRE	(1 << 3)	/* UART has buggy THRE reassertion */
+#define UART_BUG_PARITY	(1 << 4)	/* UART mishandles parity if FIFO enabled */
 #define UART_BUG_TXRACE	(1 << 5)	/* UART Tx fails to set remote DR */
 
 
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 43f2eed..8a80c35 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -310,9 +310,10 @@
 		jiffies + uart_poll_timeout(&up->port) + HZ / 5);
 }
 
-static void univ8250_setup_timer(struct uart_8250_port *up)
+static int univ8250_setup_irq(struct uart_8250_port *up)
 {
 	struct uart_port *port = &up->port;
+	int retval = 0;
 
 	/*
 	 * The above check will only give an accurate result the first time
@@ -333,16 +334,10 @@
 	 */
 	if (!port->irq)
 		mod_timer(&up->timer, jiffies + uart_poll_timeout(port));
-}
+	else
+		retval = serial_link_irq_chain(up);
 
-static int univ8250_setup_irq(struct uart_8250_port *up)
-{
-	struct uart_port *port = &up->port;
-
-	if (port->irq)
-		return serial_link_irq_chain(up);
-
-	return 0;
+	return retval;
 }
 
 static void univ8250_release_irq(struct uart_8250_port *up)
@@ -398,7 +393,6 @@
 static const struct uart_8250_ops univ8250_driver_ops = {
 	.setup_irq	= univ8250_setup_irq,
 	.release_irq	= univ8250_release_irq,
-	.setup_timer	= univ8250_setup_timer,
 };
 
 static struct uart_8250_port serial8250_ports[UART_NR];
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 89b14f5..1d49245 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1044,6 +1044,14 @@
 	return number_uarts;
 }
 
+static int pci_asix_setup(struct serial_private *priv,
+		  const struct pciserial_board *board,
+		  struct uart_8250_port *port, int idx)
+{
+	port->bugs |= UART_BUG_PARITY;
+	return pci_default_setup(priv, board, port, idx);
+}
+
 /* Quatech devices have their own extra interface features */
 
 struct quatech_feature {
@@ -1866,6 +1874,7 @@
 #define PCI_DEVICE_ID_WCH_CH355_4S	0x7173
 #define PCI_VENDOR_ID_AGESTAR		0x5372
 #define PCI_DEVICE_ID_AGESTAR_9375	0x6872
+#define PCI_VENDOR_ID_ASIX		0x9710
 #define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a
 #define PCI_DEVICE_ID_AMCC_ADDIDATA_APCI7800 0x818e
 
@@ -2676,6 +2685,16 @@
 		.setup          = pci_wch_ch38x_setup,
 	},
 	/*
+	 * ASIX devices with FIFO bug
+	 */
+	{
+		.vendor		= PCI_VENDOR_ID_ASIX,
+		.device		= PCI_ANY_ID,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+		.setup		= pci_asix_setup,
+	},
+	/*
 	 * Broadcom TruManage (NetXtreme)
 	 */
 	{
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 8b49ac485..462dad1 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1010,8 +1010,7 @@
 	up->port.type = PORT_16550A;
 	up->capabilities |= UART_CAP_FIFO;
 
-	if (!IS_ENABLED(CONFIG_SERIAL_8250_16550A_VARIANTS) &&
-	    !(up->port.flags & UPF_FULL_PROBE))
+	if (!IS_ENABLED(CONFIG_SERIAL_8250_16550A_VARIANTS))
 		return;
 
 	/*
@@ -2284,10 +2283,6 @@
 	if (port->irq && (up->port.flags & UPF_SHARE_IRQ))
 		up->port.irqflags |= IRQF_SHARED;
 
-	retval = up->ops->setup_irq(up);
-	if (retval)
-		goto out;
-
 	if (port->irq && !(up->port.flags & UPF_NO_THRE_TEST)) {
 		unsigned char iir1;
 
@@ -2330,7 +2325,9 @@
 		}
 	}
 
-	up->ops->setup_timer(up);
+	retval = up->ops->setup_irq(up);
+	if (retval)
+		goto out;
 
 	/*
 	 * Now, initialize the UART
@@ -2580,8 +2577,11 @@
 
 	if (c_cflag & CSTOPB)
 		cval |= UART_LCR_STOP;
-	if (c_cflag & PARENB)
+	if (c_cflag & PARENB) {
 		cval |= UART_LCR_PARITY;
+		if (up->bugs & UART_BUG_PARITY)
+			up->fifo_bug = true;
+	}
 	if (!(c_cflag & PARODD))
 		cval |= UART_LCR_EPAR;
 #ifdef CMSPAR
@@ -2744,7 +2744,8 @@
 	up->lcr = cval;					/* Save computed LCR */
 
 	if (up->capabilities & UART_CAP_FIFO && port->fifosize > 1) {
-		if (baud < 2400 && !up->dma) {
+		/* NOTE: If fifo_bug is not set, a user can set RX_trigger. */
+		if ((baud < 2400 && !up->dma) || up->fifo_bug) {
 			up->fcr &= ~UART_FCR_TRIGGER_MASK;
 			up->fcr |= UART_FCR_TRIGGER_1;
 		}
@@ -3080,7 +3081,8 @@
 	struct uart_8250_port *up = up_to_u8250p(uport);
 	int rxtrig;
 
-	if (!(up->capabilities & UART_CAP_FIFO) || uport->fifosize <= 1)
+	if (!(up->capabilities & UART_CAP_FIFO) || uport->fifosize <= 1 ||
+	    up->fifo_bug)
 		return -EINVAL;
 
 	rxtrig = bytes_to_fcr_rxtrig(up, bytes);
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 28f22e5..940db39 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -206,7 +206,7 @@
 
 config SERIAL_MESON_CONSOLE
 	bool "Support for console on meson"
-	depends on SERIAL_MESON=y
+	depends on SERIAL_MESON
 	select SERIAL_CORE_CONSOLE
 	select SERIAL_EARLYCON
 	help
@@ -236,7 +236,6 @@
 
 config SERIAL_SAMSUNG
 	tristate "Samsung SoC serial support"
-	depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
 	select SERIAL_CORE
 	help
 	  Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
@@ -967,6 +966,14 @@
 	select SERIAL_CORE_CONSOLE
 	select SERIAL_EARLYCON
 
+config SERIAL_MSM_GENI_EARLY_CONSOLE
+	bool "MSM on-chip GENI HW based early console support"
+	select SERIAL_CORE_CONSOLE
+	select SERIAL_EARLYCON
+	help
+	  Serial early console driver for Qualcomm Technologies Inc's GENI
+	  based QUP hardware.
+
 config SERIAL_QCOM_GENI
 	tristate "QCOM on-chip GENI based serial port support"
 	depends on ARCH_QCOM || COMPILE_TEST
diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile
index caf167f..ac5566c 100644
--- a/drivers/tty/serial/Makefile
+++ b/drivers/tty/serial/Makefile
@@ -56,6 +56,7 @@
 obj-$(CONFIG_SERIAL_ATMEL) += atmel_serial.o
 obj-$(CONFIG_SERIAL_UARTLITE) += uartlite.o
 obj-$(CONFIG_SERIAL_MSM) += msm_serial.o
+obj-$(CONFIG_SERIAL_MSM_GENI_EARLY_CONSOLE) += msm_geni_serial_earlycon.o
 obj-$(CONFIG_SERIAL_QCOM_GENI) += qcom_geni_serial.o
 obj-$(CONFIG_SERIAL_OMAP) += omap-serial.o
 obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index bb66a3f..c679fa0 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c
@@ -621,7 +621,6 @@
 	register_console(&meson_serial_console);
 	return 0;
 }
-console_initcall(meson_serial_console_init);
 
 static void meson_serial_early_console_write(struct console *co,
 					     const char *s,
@@ -651,6 +650,9 @@
 
 #define MESON_SERIAL_CONSOLE	(&meson_serial_console)
 #else
+static int __init meson_serial_console_init(void) {
+	return 0;
+}
 #define MESON_SERIAL_CONSOLE	NULL
 #endif
 
@@ -850,6 +852,10 @@
 {
 	int ret;
 
+	ret = meson_serial_console_init();
+	if (ret)
+		return ret;
+	
 	ret = uart_register_driver(&meson_uart_driver);
 	if (ret)
 		return ret;
diff --git a/drivers/tty/serial/msm_geni_serial_earlycon.c b/drivers/tty/serial/msm_geni_serial_earlycon.c
new file mode 100644
index 0000000..3c214fa
--- /dev/null
+++ b/drivers/tty/serial/msm_geni_serial_earlycon.c
@@ -0,0 +1,354 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/serial_core.h>
+
+#define SE_GENI_DMA_MODE_EN             0x258
+#define SE_UART_TX_TRANS_CFG		0x25C
+#define SE_UART_TX_WORD_LEN		0x268
+#define SE_UART_TX_STOP_BIT_LEN		0x26C
+#define SE_UART_TX_TRANS_LEN		0x270
+#define SE_UART_TX_PARITY_CFG		0x2A4
+/* SE_UART_TRANS_CFG */
+#define UART_CTS_MASK		BIT(1)
+/* UART M_CMD OP codes */
+#define UART_START_TX		0x1
+
+#define UART_OVERSAMPLING	32
+#define DEF_FIFO_DEPTH_WORDS	16
+#define DEF_TX_WM		2
+#define DEF_FIFO_WIDTH_BITS	32
+
+#define GENI_FORCE_DEFAULT_REG		0x20
+#define GENI_OUTPUT_CTRL		0x24
+#define GENI_CGC_CTRL			0x28
+#define GENI_SER_M_CLK_CFG		0x48
+#define GENI_FW_REVISION_RO		0x68
+
+#define SE_GENI_TX_PACKING_CFG0		0x260
+#define SE_GENI_TX_PACKING_CFG1		0x264
+#define SE_GENI_M_CMD0			0x600
+#define SE_GENI_M_CMD_CTRL_REG		0x604
+#define SE_GENI_M_IRQ_STATUS		0x610
+#define SE_GENI_M_IRQ_EN		0x614
+#define SE_GENI_M_IRQ_CLEAR		0x618
+#define SE_GENI_TX_FIFOn		0x700
+#define SE_GENI_TX_WATERMARK_REG	0x80C
+
+#define SE_IRQ_EN			0xE1C
+#define SE_HW_PARAM_0			0xE24
+#define SE_HW_PARAM_1			0xE28
+
+/* GENI_OUTPUT_CTRL fields */
+#define DEFAULT_IO_OUTPUT_CTRL_MSK	GENMASK(6, 0)
+
+/* GENI_FORCE_DEFAULT_REG fields */
+#define FORCE_DEFAULT	BIT(0)
+
+/* GENI_CGC_CTRL fields */
+#define CFG_AHB_CLK_CGC_ON		BIT(0)
+#define CFG_AHB_WR_ACLK_CGC_ON		BIT(1)
+#define DATA_AHB_CLK_CGC_ON		BIT(2)
+#define SCLK_CGC_ON			BIT(3)
+#define TX_CLK_CGC_ON			BIT(4)
+#define RX_CLK_CGC_ON			BIT(5)
+#define EXT_CLK_CGC_ON			BIT(6)
+#define PROG_RAM_HCLK_OFF		BIT(8)
+#define PROG_RAM_SCLK_OFF		BIT(9)
+#define DEFAULT_CGC_EN			GENMASK(6, 0)
+
+/* GENI_STATUS fields */
+#define M_GENI_CMD_ACTIVE		BIT(0)
+
+/* GENI_SER_M_CLK_CFG/GENI_SER_S_CLK_CFG */
+#define SER_CLK_EN			BIT(0)
+#define CLK_DIV_MSK			GENMASK(15, 4)
+#define CLK_DIV_SHFT			4
+
+/* CLK_CTRL_RO fields */
+
+/* FIFO_IF_DISABLE_RO fields */
+#define FIFO_IF_DISABLE			BIT(0)
+
+/* FW_REVISION_RO fields */
+#define FW_REV_PROTOCOL_MSK	GENMASK(15, 8)
+#define FW_REV_PROTOCOL_SHFT	8
+#define FW_REV_VERSION_MSK	GENMASK(7, 0)
+
+/* GENI_CLK_SEL fields */
+#define CLK_SEL_MSK		GENMASK(2, 0)
+
+/* SE_GENI_DMA_MODE_EN */
+#define GENI_DMA_MODE_EN	BIT(0)
+
+/* GENI_M_CMD0 fields */
+#define M_OPCODE_MSK		GENMASK(31, 27)
+#define M_OPCODE_SHFT		27
+#define M_PARAMS_MSK		GENMASK(26, 0)
+
+/* GENI_M_CMD_CTRL_REG */
+#define M_GENI_CMD_CANCEL	BIT(2)
+#define M_GENI_CMD_ABORT	BIT(1)
+#define M_GENI_DISABLE		BIT(0)
+
+/* GENI_M_IRQ_EN fields */
+#define M_CMD_DONE_EN		BIT(0)
+#define M_CMD_OVERRUN_EN	BIT(1)
+#define M_ILLEGAL_CMD_EN	BIT(2)
+#define M_CMD_FAILURE_EN	BIT(3)
+#define M_CMD_CANCEL_EN		BIT(4)
+#define M_CMD_ABORT_EN		BIT(5)
+#define M_TIMESTAMP_EN		BIT(6)
+#define M_GP_SYNC_IRQ_0_EN	BIT(8)
+#define M_IO_DATA_DEASSERT_EN	BIT(22)
+#define M_IO_DATA_ASSERT_EN	BIT(23)
+#define M_TX_FIFO_RD_ERR_EN	BIT(28)
+#define M_TX_FIFO_WR_ERR_EN	BIT(29)
+#define M_TX_FIFO_WATERMARK_EN	BIT(30)
+#define M_SEC_IRQ_EN		BIT(31)
+#define M_COMMON_GENI_M_IRQ_EN	(GENMASK(6, 1) | \
+				M_IO_DATA_DEASSERT_EN | \
+				M_IO_DATA_ASSERT_EN | M_TX_FIFO_RD_ERR_EN | \
+				M_TX_FIFO_WR_ERR_EN)
+
+/* GENI_TX_FIFO_STATUS fields */
+#define TX_FIFO_WC		GENMASK(27, 0)
+
+/* SE_IRQ_EN fields */
+#define GENI_M_IRQ_EN		BIT(2)
+
+#define UART_PROTOCOL	2
+
+static int get_se_proto_earlycon(void __iomem *base)
+{
+	int proto;
+
+	proto = ((readl_relaxed(base + GENI_FW_REVISION_RO)
+			& FW_REV_PROTOCOL_MSK) >> FW_REV_PROTOCOL_SHFT);
+	return proto;
+}
+
+static void se_get_packing_config_earlycon(int bpw, int pack_words,
+	bool msb_to_lsb, unsigned long *cfg0, unsigned long *cfg1)
+{
+	u32 cfg[4] = {0};
+	int len, i;
+	int temp_bpw = bpw;
+	int idx_start = (msb_to_lsb ? (bpw - 1) : 0);
+	int idx_delta = (msb_to_lsb ? -BITS_PER_BYTE : BITS_PER_BYTE);
+	int ceil_bpw = ((bpw & (BITS_PER_BYTE - 1)) ?
+			((bpw & ~(BITS_PER_BYTE - 1)) + BITS_PER_BYTE) : bpw);
+	int iter = (ceil_bpw * pack_words) >> 3;
+	int idx = idx_start;
+
+	if (iter <= 0 || iter > 4) {
+		*cfg0 = 0;
+		*cfg1 = 0;
+		return;
+	}
+
+	for (i = 0; i < iter; i++) {
+		len = (temp_bpw < BITS_PER_BYTE) ?
+				(temp_bpw - 1) : BITS_PER_BYTE - 1;
+		cfg[i] = ((idx << 5) | (msb_to_lsb << 4) | (len << 1));
+		idx = ((temp_bpw - BITS_PER_BYTE) <= 0) ?
+				((i + 1) * BITS_PER_BYTE) + idx_start :
+				idx + idx_delta;
+		temp_bpw = ((temp_bpw - BITS_PER_BYTE) <= 0) ?
+				bpw : (temp_bpw - BITS_PER_BYTE);
+	}
+	cfg[iter - 1] |= 1;
+	*cfg0 = cfg[0] | (cfg[1] << 10);
+	*cfg1 = cfg[2] | (cfg[3] << 10);
+}
+
+static void se_io_init_earlycon(void __iomem *base)
+{
+	u32 io_op_ctrl;
+	u32 geni_cgc_ctrl;
+
+	geni_cgc_ctrl = readl_relaxed(base + GENI_CGC_CTRL);
+	geni_cgc_ctrl |= DEFAULT_CGC_EN;
+	io_op_ctrl = DEFAULT_IO_OUTPUT_CTRL_MSK;
+	writel_relaxed(geni_cgc_ctrl, base + GENI_CGC_CTRL);
+
+	writel_relaxed(io_op_ctrl, base + GENI_OUTPUT_CTRL);
+	writel_relaxed(FORCE_DEFAULT, base + GENI_FORCE_DEFAULT_REG);
+}
+
+static void geni_se_select_fifo_mode_earlycon(void __iomem *base)
+{
+	u32 val;
+
+	val = readl_relaxed(base + SE_GENI_DMA_MODE_EN);
+	val &= ~GENI_DMA_MODE_EN;
+	writel_relaxed(val, base + SE_GENI_M_IRQ_EN);
+}
+
+static void msm_geni_serial_wr_char(struct uart_port *uport, int ch)
+{
+	writel_relaxed(ch, uport->membase + SE_GENI_TX_FIFOn);
+}
+
+static int msm_geni_serial_poll_bit(struct uart_port *uport,
+					int offset, int bit_field, bool set)
+{
+	int iter = 0;
+	bool met = false, cond = false;
+	unsigned int reg, total_iter = 1000;
+
+	while (iter < total_iter) {
+		reg = readl_relaxed(uport->membase + offset);
+		cond = reg & bit_field;
+		if (cond == set) {
+			met = true;
+			break;
+		}
+		udelay(10);
+		iter++;
+	}
+	return met;
+}
+
+static void msm_geni_serial_poll_abort_tx(struct uart_port *uport)
+{
+	int done = 0;
+	u32 irq_clear = M_CMD_DONE_EN;
+
+	done = msm_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
+					M_CMD_DONE_EN, true);
+	if (!done) {
+		writel_relaxed(M_GENI_CMD_ABORT,
+				uport->membase + SE_GENI_M_CMD_CTRL_REG);
+		irq_clear |= M_CMD_ABORT_EN;
+		msm_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
+					M_CMD_ABORT_EN, true);
+	}
+	writel_relaxed(irq_clear, uport->membase + SE_GENI_M_IRQ_CLEAR);
+}
+
+static void msm_geni_serial_setup_tx(struct uart_port *uport,
+				unsigned int xmit_size)
+{
+	u32 m_cmd = 0;
+
+	writel_relaxed(xmit_size, uport->membase + SE_UART_TX_TRANS_LEN);
+	m_cmd |= (UART_START_TX << M_OPCODE_SHFT);
+	writel_relaxed(m_cmd, uport->membase + SE_GENI_M_CMD0);
+}
+
+static void
+__msm_geni_serial_console_write(struct uart_port *uport, const char *s,
+				unsigned int count)
+{
+	int new_line = 0;
+	int i;
+	int bytes_to_send = count;
+	int fifo_depth = DEF_FIFO_DEPTH_WORDS;
+	int tx_wm = DEF_TX_WM;
+
+	for (i = 0; i < count; i++) {
+		if (s[i] == '\n')
+			new_line++;
+	}
+
+	bytes_to_send += new_line;
+	writel_relaxed(tx_wm, uport->membase + SE_GENI_TX_WATERMARK_REG);
+	msm_geni_serial_setup_tx(uport, bytes_to_send);
+	i = 0;
+	while (i < count) {
+		u32 chars_to_write = 0;
+		u32 avail_fifo_bytes = (fifo_depth - tx_wm);
+		/*
+		 * If the WM bit never set, then the Tx state machine is not
+		 * in a valid state, so break, cancel/abort any existing
+		 * command. Unfortunately the current data being written is
+		 * lost.
+		 */
+		while (!msm_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
+						M_TX_FIFO_WATERMARK_EN, true))
+			break;
+		chars_to_write = min((unsigned int)(count - i),
+					avail_fifo_bytes);
+		if ((chars_to_write << 1) > avail_fifo_bytes)
+			chars_to_write = (avail_fifo_bytes >> 1);
+		uart_console_write(uport, (s + i), chars_to_write,
+					msm_geni_serial_wr_char);
+		writel_relaxed(M_TX_FIFO_WATERMARK_EN,
+				uport->membase + SE_GENI_M_IRQ_CLEAR);
+		i += chars_to_write;
+	}
+	msm_geni_serial_poll_abort_tx(uport);
+}
+
+static void
+msm_geni_serial_early_console_write(struct console *con, const char *s,
+					unsigned int n)
+{
+	struct earlycon_device *dev = con->data;
+
+	__msm_geni_serial_console_write(&dev->port, s, n);
+}
+
+static int __init
+msm_geni_serial_earlycon_setup(struct earlycon_device *dev,
+				const char *opt)
+{
+	int ret = 0;
+	u32 tx_trans_cfg = 0;
+	u32 tx_parity_cfg = 0;
+	u32 stop_bit = 0;
+	u32 bits_per_char = 0;
+	unsigned long cfg0, cfg1;
+	struct uart_port *uport = &dev->port;
+
+	if (!uport->membase) {
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	if (get_se_proto_earlycon(uport->membase) != UART_PROTOCOL) {
+		ret = -ENXIO;
+		goto exit;
+	}
+
+	/*
+	 * Ignore Flow control.
+	 * Disable Tx Parity.
+	 * Don't check Parity during Rx.
+	 * Disable Rx Parity.
+	 * n = 8.
+	 * Stop bit = 0.
+	 * Stale timeout in bit-time (3 chars worth).
+	 */
+	tx_trans_cfg |= UART_CTS_MASK;
+	tx_parity_cfg = 0;
+	bits_per_char = 0x8;
+	stop_bit = 0;
+
+	msm_geni_serial_poll_abort_tx(uport);
+
+	se_get_packing_config_earlycon(8, 1, false, &cfg0, &cfg1);
+
+	se_io_init_earlycon(uport->membase);
+
+	geni_se_select_fifo_mode_earlycon(uport->membase);
+	writel_relaxed(cfg0, uport->membase + SE_GENI_TX_PACKING_CFG0);
+	writel_relaxed(cfg1, uport->membase + SE_GENI_TX_PACKING_CFG1);
+	writel_relaxed(tx_trans_cfg, uport->membase + SE_UART_TX_TRANS_CFG);
+	writel_relaxed(tx_parity_cfg, uport->membase + SE_UART_TX_PARITY_CFG);
+	writel_relaxed(bits_per_char, uport->membase + SE_UART_TX_WORD_LEN);
+	writel_relaxed(stop_bit, uport->membase + SE_UART_TX_STOP_BIT_LEN);
+
+	dev->con->write = msm_geni_serial_early_console_write;
+	dev->con->setup = NULL;
+exit:
+	return ret;
+}
+
+OF_EARLYCON_DECLARE(msm_geni_serial, "qcom,msm-geni-console",
+			msm_geni_serial_earlycon_setup);
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index ad08edd..f7113c5 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -55,6 +55,8 @@
 #include <asm/ptrace.h>
 #include <asm/irq_regs.h>
 
+#include <trace/hooks/sysrqcrash.h>
+
 /* Whether we react on sysrq keys or just ignore them */
 static int __read_mostly sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE;
 static bool __read_mostly sysrq_always_enabled;
@@ -151,6 +153,8 @@
 	/* release the RCU read lock before crashing */
 	rcu_read_unlock();
 
+	trace_android_vh_sysrq_crash(current);
+
 	panic("sysrq triggered crash\n");
 }
 static const struct sysrq_key_op sysrq_crash_op = {
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 56fe30d..b151a2a 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -1024,7 +1024,7 @@
 	/* public fields */
 
 	instance->driver = driver;
-	strlcpy(instance->driver_name, driver->driver_name,
+	strscpy(instance->driver_name, driver->driver_name,
 		sizeof(instance->driver_name));
 
 	instance->usb_dev = usb_dev;
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 1b95035..57c7c22 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1350,7 +1350,7 @@
 	if (!intf || !intf->dev.driver)
 		ret = -ENODATA;
 	else {
-		strlcpy(gd.driver, intf->dev.driver->name,
+		strscpy(gd.driver, intf->dev.driver->name,
 				sizeof(gd.driver));
 		ret = (copy_to_user(arg, &gd, sizeof(gd)) ? -EFAULT : 0);
 	}
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 4dfa44d..6253dce 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -34,6 +34,7 @@
 
 #include "usb.h"
 
+#include <trace/hooks/usb.h>
 
 /*
  * Adds a new dynamic USBdevice ID to this driver,
@@ -1403,11 +1404,16 @@
 	int			status = 0;
 	int			i = 0, n = 0;
 	struct usb_interface	*intf;
+	int			bypass = 0;
 
 	if (udev->state == USB_STATE_NOTATTACHED ||
 			udev->state == USB_STATE_SUSPENDED)
 		goto done;
 
+	trace_android_vh_usb_dev_suspend(udev, msg, &bypass);
+	if (bypass)
+		goto done;
+
 	/* Suspend all the interfaces and then udev itself */
 	if (udev->actconfig) {
 		n = udev->actconfig->desc.bNumInterfaces;
@@ -1504,11 +1510,17 @@
 	int			status = 0;
 	int			i;
 	struct usb_interface	*intf;
+	int			bypass = 0;
 
 	if (udev->state == USB_STATE_NOTATTACHED) {
 		status = -ENODEV;
 		goto done;
 	}
+
+	trace_android_vh_usb_dev_resume(udev, msg, &bypass);
+	if (bypass)
+		goto done;
+
 	udev->can_submit = 1;
 
 	/* Resume the device */
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 0a77717..1c754aa 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1696,6 +1696,7 @@
 
 	spin_lock_irq(&bh->lock);
 	bh->running = true;
+ restart:
 	list_replace_init(&bh->head, &local_list);
 	spin_unlock_irq(&bh->lock);
 
@@ -1709,17 +1710,10 @@
 		bh->completing_ep = NULL;
 	}
 
-	/*
-	 * giveback new URBs next time to prevent this function
-	 * from not exiting for a long time.
-	 */
+	/* check if there are new URBs to giveback */
 	spin_lock_irq(&bh->lock);
-	if (!list_empty(&bh->head)) {
-		if (bh->high_prio)
-			tasklet_hi_schedule(&bh->bh);
-		else
-			tasklet_schedule(&bh->bh);
-	}
+	if (!list_empty(&bh->head))
+		goto restart;
 	bh->running = false;
 	spin_unlock_irq(&bh->lock);
 }
@@ -1744,7 +1738,7 @@
 void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status)
 {
 	struct giveback_urb_bh *bh;
-	bool running;
+	bool running, high_prio_bh;
 
 	/* pass status to tasklet via unlinked */
 	if (likely(!urb->unlinked))
@@ -1755,10 +1749,13 @@
 		return;
 	}
 
-	if (usb_pipeisoc(urb->pipe) || usb_pipeint(urb->pipe))
+	if (usb_pipeisoc(urb->pipe) || usb_pipeint(urb->pipe)) {
 		bh = &hcd->high_prio_bh;
-	else
+		high_prio_bh = true;
+	} else {
 		bh = &hcd->low_prio_bh;
+		high_prio_bh = false;
+	}
 
 	spin_lock(&bh->lock);
 	list_add_tail(&urb->urb_list, &bh->head);
@@ -1767,7 +1764,7 @@
 
 	if (running)
 		;
-	else if (bh->high_prio)
+	else if (high_prio_bh)
 		tasklet_hi_schedule(&bh->bh);
 	else
 		tasklet_schedule(&bh->bh);
@@ -2745,7 +2742,6 @@
 
 	rhdev->rx_lanes = 1;
 	rhdev->tx_lanes = 1;
-	rhdev->ssp_rate = USB_SSP_GEN_UNKNOWN;
 
 	switch (hcd->speed) {
 	case HCD_USB11:
@@ -2763,11 +2759,8 @@
 	case HCD_USB32:
 		rhdev->rx_lanes = 2;
 		rhdev->tx_lanes = 2;
-		rhdev->ssp_rate = USB_SSP_GEN_2x2;
-		rhdev->speed = USB_SPEED_SUPER_PLUS;
-		break;
+		fallthrough;
 	case HCD_USB31:
-		rhdev->ssp_rate = USB_SSP_GEN_2x1;
 		rhdev->speed = USB_SPEED_SUPER_PLUS;
 		break;
 	default:
@@ -2811,7 +2804,6 @@
 
 	/* initialize tasklets */
 	init_giveback_urb_bh(&hcd->high_prio_bh);
-	hcd->high_prio_bh.high_prio = true;
 	init_giveback_urb_bh(&hcd->low_prio_bh);
 
 	/* enable irqs just before we start the controller,
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 331f41c..e5b5e07 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -31,7 +31,6 @@
 #include <linux/pm_qos.h>
 #include <linux/kobject.h>
 
-#include <linux/bitfield.h>
 #include <linux/uaccess.h>
 #include <asm/byteorder.h>
 
@@ -2019,6 +2018,19 @@
 	return !!hub->ports[udev->portnum - 1]->port_owner;
 }
 
+static void update_port_device_state(struct usb_device *udev)
+{
+	struct usb_hub *hub;
+	struct usb_port *port_dev;
+
+	if (udev->parent) {
+		hub = usb_hub_to_struct_hub(udev->parent);
+		port_dev = hub->ports[udev->portnum - 1];
+		WRITE_ONCE(port_dev->state, udev->state);
+		sysfs_notify_dirent(port_dev->state_kn);
+	}
+}
+
 static void recursively_mark_NOTATTACHED(struct usb_device *udev)
 {
 	struct usb_hub *hub = usb_hub_to_struct_hub(udev);
@@ -2031,6 +2043,7 @@
 	if (udev->state == USB_STATE_SUSPENDED)
 		udev->active_duration -= jiffies;
 	udev->state = USB_STATE_NOTATTACHED;
+	update_port_device_state(udev);
 }
 
 /**
@@ -2087,6 +2100,7 @@
 				udev->state != USB_STATE_SUSPENDED)
 			udev->active_duration += jiffies;
 		udev->state = new_state;
+		update_port_device_state(udev);
 	} else
 		recursively_mark_NOTATTACHED(udev);
 	spin_unlock_irqrestore(&device_state_lock, flags);
@@ -2450,8 +2464,6 @@
 	u16 wHubCharacteristics;
 	bool removable = true;
 
-	dev_set_removable(&udev->dev, DEVICE_REMOVABLE_UNKNOWN);
-
 	if (!hdev)
 		return;
 
@@ -2463,11 +2475,11 @@
 	 */
 	switch (hub->ports[udev->portnum - 1]->connect_type) {
 	case USB_PORT_CONNECT_TYPE_HOT_PLUG:
-		dev_set_removable(&udev->dev, DEVICE_REMOVABLE);
+		udev->removable = USB_DEVICE_REMOVABLE;
 		return;
 	case USB_PORT_CONNECT_TYPE_HARD_WIRED:
 	case USB_PORT_NOT_USED:
-		dev_set_removable(&udev->dev, DEVICE_FIXED);
+		udev->removable = USB_DEVICE_FIXED;
 		return;
 	default:
 		break;
@@ -2492,9 +2504,9 @@
 	}
 
 	if (removable)
-		dev_set_removable(&udev->dev, DEVICE_REMOVABLE);
+		udev->removable = USB_DEVICE_REMOVABLE;
 	else
-		dev_set_removable(&udev->dev, DEVICE_FIXED);
+		udev->removable = USB_DEVICE_FIXED;
 
 }
 
@@ -2566,7 +2578,8 @@
 	device_enable_async_suspend(&udev->dev);
 
 	/* check whether the hub or firmware marks this port as non-removable */
-	set_usb_port_removable(udev);
+	if (udev->parent)
+		set_usb_port_removable(udev);
 
 	/* Register the device.  The device driver is responsible
 	 * for configuring the device and invoking the add-device
@@ -2693,81 +2706,6 @@
 	return result;
 }
 
-/**
- * get_port_ssp_rate - Match the extended port status to SSP rate
- * @hdev: The hub device
- * @ext_portstatus: extended port status
- *
- * Match the extended port status speed id to the SuperSpeed Plus sublink speed
- * capability attributes. Base on the number of connected lanes and speed,
- * return the corresponding enum usb_ssp_rate.
- */
-static enum usb_ssp_rate get_port_ssp_rate(struct usb_device *hdev,
-					   u32 ext_portstatus)
-{
-	struct usb_ssp_cap_descriptor *ssp_cap = hdev->bos->ssp_cap;
-	u32 attr;
-	u8 speed_id;
-	u8 ssac;
-	u8 lanes;
-	int i;
-
-	if (!ssp_cap)
-		goto out;
-
-	speed_id = ext_portstatus & USB_EXT_PORT_STAT_RX_SPEED_ID;
-	lanes = USB_EXT_PORT_RX_LANES(ext_portstatus) + 1;
-
-	ssac = le32_to_cpu(ssp_cap->bmAttributes) &
-		USB_SSP_SUBLINK_SPEED_ATTRIBS;
-
-	for (i = 0; i <= ssac; i++) {
-		u8 ssid;
-
-		attr = le32_to_cpu(ssp_cap->bmSublinkSpeedAttr[i]);
-		ssid = FIELD_GET(USB_SSP_SUBLINK_SPEED_SSID, attr);
-		if (speed_id == ssid) {
-			u16 mantissa;
-			u8 lse;
-			u8 type;
-
-			/*
-			 * Note: currently asymmetric lane types are only
-			 * applicable for SSIC operate in SuperSpeed protocol
-			 */
-			type = FIELD_GET(USB_SSP_SUBLINK_SPEED_ST, attr);
-			if (type == USB_SSP_SUBLINK_SPEED_ST_ASYM_RX ||
-			    type == USB_SSP_SUBLINK_SPEED_ST_ASYM_TX)
-				goto out;
-
-			if (FIELD_GET(USB_SSP_SUBLINK_SPEED_LP, attr) !=
-			    USB_SSP_SUBLINK_SPEED_LP_SSP)
-				goto out;
-
-			lse = FIELD_GET(USB_SSP_SUBLINK_SPEED_LSE, attr);
-			mantissa = FIELD_GET(USB_SSP_SUBLINK_SPEED_LSM, attr);
-
-			/* Convert to Gbps */
-			for (; lse < USB_SSP_SUBLINK_SPEED_LSE_GBPS; lse++)
-				mantissa /= 1000;
-
-			if (mantissa >= 10 && lanes == 1)
-				return USB_SSP_GEN_2x1;
-
-			if (mantissa >= 10 && lanes == 2)
-				return USB_SSP_GEN_2x2;
-
-			if (mantissa >= 5 && lanes == 2)
-				return USB_SSP_GEN_1x2;
-
-			goto out;
-		}
-	}
-
-out:
-	return USB_SSP_GEN_UNKNOWN;
-}
-
 /*
  * Return 1 if port speed is SuperSpeedPlus, 0 otherwise or if the
  * capability couldn't be checked.
@@ -2955,11 +2893,9 @@
 		/* extended portstatus Rx and Tx lane count are zero based */
 		udev->rx_lanes = USB_EXT_PORT_RX_LANES(ext_portstatus) + 1;
 		udev->tx_lanes = USB_EXT_PORT_TX_LANES(ext_portstatus) + 1;
-		udev->ssp_rate = get_port_ssp_rate(hub->hdev, ext_portstatus);
 	} else {
 		udev->rx_lanes = 1;
 		udev->tx_lanes = 1;
-		udev->ssp_rate = USB_SSP_GEN_UNKNOWN;
 	}
 	if (hub_is_wusb(hub))
 		udev->speed = USB_SPEED_WIRELESS;
@@ -3115,6 +3051,48 @@
 	return status;
 }
 
+/*
+ * hub_port_stop_enumerate - stop USB enumeration or ignore port events
+ * @hub: target hub
+ * @port1: port num of the port
+ * @retries: port retries number of hub_port_init()
+ *
+ * Return:
+ *    true: ignore port actions/events or give up connection attempts.
+ *    false: keep original behavior.
+ *
+ * This function will be based on retries to check whether the port which is
+ * marked with early_stop attribute would stop enumeration or ignore events.
+ *
+ * Note:
+ * This function didn't change anything if early_stop is not set, and it will
+ * prevent all connection attempts when early_stop is set and the attempts of
+ * the port are more than 1.
+ */
+static bool hub_port_stop_enumerate(struct usb_hub *hub, int port1, int retries)
+{
+	struct usb_port *port_dev = hub->ports[port1 - 1];
+
+	if (port_dev->early_stop) {
+		if (port_dev->ignore_event)
+			return true;
+
+		/*
+		 * We want unsuccessful attempts to fail quickly.
+		 * Since some devices may need one failure during
+		 * port initialization, we allow two tries but no
+		 * more.
+		 */
+		if (retries < 2)
+			return false;
+
+		port_dev->ignore_event = 1;
+	} else
+		port_dev->ignore_event = 0;
+
+	return port_dev->ignore_event;
+}
+
 /* Check if a port is power on */
 static int port_is_power_on(struct usb_hub *hub, unsigned portstatus)
 {
@@ -4914,6 +4892,11 @@
 	do_new_scheme = use_new_scheme(udev, retry_counter, port_dev);
 
 	for (retries = 0; retries < GET_DESCRIPTOR_TRIES; (++retries, msleep(100))) {
+		if (hub_port_stop_enumerate(hub, port1, retries)) {
+			retval = -ENODEV;
+			break;
+		}
+
 		if (do_new_scheme) {
 			retval = hub_enable_device(udev);
 			if (retval < 0) {
@@ -5334,6 +5317,11 @@
 	status = 0;
 
 	for (i = 0; i < PORT_INIT_TRIES; i++) {
+		if (hub_port_stop_enumerate(hub, port1, i)) {
+			status = -ENODEV;
+			break;
+		}
+
 		usb_lock_port(port_dev);
 		mutex_lock(hcd->address0_mutex);
 		retry_locked = true;
@@ -5699,6 +5687,10 @@
 	if (!pm_runtime_active(&port_dev->dev))
 		return;
 
+	/* skip port actions if ignore_event and early_stop are true */
+	if (port_dev->ignore_event && port_dev->early_stop)
+		return;
+
 	if (hub_handle_remote_wakeup(hub, port1, portstatus, portchange))
 		connect_change = 1;
 
@@ -6021,6 +6013,10 @@
 	mutex_lock(hcd->address0_mutex);
 
 	for (i = 0; i < PORT_INIT_TRIES; ++i) {
+		if (hub_port_stop_enumerate(parent_hub, port1, i)) {
+			ret = -ENODEV;
+			break;
+		}
 
 		/* ep0 maxpacket size may change; let the HCD know about it.
 		 * Other endpoints will be handled by re-enumeration. */
@@ -6133,11 +6129,6 @@
  * the reset is over (using their post_reset method).
  *
  * Return: The same as for usb_reset_and_verify_device().
- * However, if a reset is already in progress (for instance, if a
- * driver doesn't have pre_reset() or post_reset() callbacks, and while
- * being unbound or re-bound during the ongoing reset its disconnect()
- * or probe() routine tries to perform a second, nested reset), the
- * routine returns -EINPROGRESS.
  *
  * Note:
  * The caller must own the device lock.  For example, it's safe to use
@@ -6171,10 +6162,6 @@
 		return -EISDIR;
 	}
 
-	if (udev->reset_in_progress)
-		return -EINPROGRESS;
-	udev->reset_in_progress = 1;
-
 	port_dev = hub->ports[udev->portnum - 1];
 
 	/*
@@ -6239,7 +6226,6 @@
 
 	usb_autosuspend_device(udev);
 	memalloc_noio_restore(noio_flag);
-	udev->reset_in_progress = 0;
 	return ret;
 }
 EXPORT_SYMBOL_GPL(usb_reset_device);
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index db4c7e2..344ebd5 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -83,12 +83,16 @@
  * @peer: related usb2 and usb3 ports (share the same connector)
  * @req: default pm qos request for hubs without port power control
  * @connect_type: port's connect type
+ * @state: device state of the usb device attached to the port
+ * @state_kn: kernfs_node of the sysfs attribute that accesses @state
  * @location: opaque representation of platform connector location
  * @status_lock: synchronize port_event() vs usb_port_{suspend|resume}
  * @portnum: port index num based one
  * @is_superspeed cache super-speed status
  * @usb3_lpm_u1_permit: whether USB3 U1 LPM is permitted.
  * @usb3_lpm_u2_permit: whether USB3 U2 LPM is permitted.
+ * @early_stop: whether port initialization will be stopped earlier.
+ * @ignore_event: whether events of the port are ignored.
  */
 struct usb_port {
 	struct usb_device *child;
@@ -97,11 +101,15 @@
 	struct usb_port *peer;
 	struct dev_pm_qos_request *req;
 	enum usb_port_connect_type connect_type;
+	enum usb_device_state state;
+	struct kernfs_node *state_kn;
 	usb_port_location_t location;
 	struct mutex status_lock;
 	u32 over_current_count;
 	u8 portnum;
 	u32 quirks;
+	unsigned int early_stop:1;
+	unsigned int ignore_event:1;
 	unsigned int is_superspeed:1;
 	unsigned int usb3_lpm_u1_permit:1;
 	unsigned int usb3_lpm_u2_permit:1;
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 235a7c6..2e2e91a 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -16,6 +16,32 @@
 
 static const struct attribute_group *port_dev_group[];
 
+static ssize_t early_stop_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	struct usb_port *port_dev = to_usb_port(dev);
+
+	return sysfs_emit(buf, "%s\n", port_dev->early_stop ? "yes" : "no");
+}
+
+static ssize_t early_stop_store(struct device *dev, struct device_attribute *attr,
+				const char *buf, size_t count)
+{
+	struct usb_port *port_dev = to_usb_port(dev);
+	bool value;
+
+	if (kstrtobool(buf, &value))
+		return -EINVAL;
+
+	if (value)
+		port_dev->early_stop = 1;
+	else
+		port_dev->early_stop = 0;
+
+	return count;
+}
+static DEVICE_ATTR_RW(early_stop);
+
 static ssize_t location_show(struct device *dev,
 			     struct device_attribute *attr, char *buf)
 {
@@ -50,6 +76,16 @@
 }
 static DEVICE_ATTR_RO(connect_type);
 
+static ssize_t state_show(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	struct usb_port *port_dev = to_usb_port(dev);
+	enum usb_device_state state = READ_ONCE(port_dev->state);
+
+	return sysfs_emit(buf, "%s\n", usb_state_string(state));
+}
+static DEVICE_ATTR_RO(state);
+
 static ssize_t over_current_count_show(struct device *dev,
 				       struct device_attribute *attr, char *buf)
 {
@@ -149,9 +185,11 @@
 
 static struct attribute *port_dev_attrs[] = {
 	&dev_attr_connect_type.attr,
+	&dev_attr_state.attr,
 	&dev_attr_location.attr,
 	&dev_attr_quirks.attr,
 	&dev_attr_over_current_count.attr,
+	&dev_attr_early_stop.attr,
 	NULL,
 };
 
@@ -567,12 +605,18 @@
 		return retval;
 	}
 
+	port_dev->state_kn = sysfs_get_dirent(port_dev->dev.kobj.sd, "state");
+	if (!port_dev->state_kn) {
+		dev_err(&port_dev->dev, "failed to sysfs_get_dirent 'state'\n");
+		retval = -ENODEV;
+		goto err_unregister;
+	}
+
 	/* Set default policy of port-poweroff disabled. */
 	retval = dev_pm_qos_add_request(&port_dev->dev, port_dev->req,
 			DEV_PM_QOS_FLAGS, PM_QOS_FLAG_NO_POWER_OFF);
 	if (retval < 0) {
-		device_unregister(&port_dev->dev);
-		return retval;
+		goto err_put_kn;
 	}
 
 	find_and_link_peer(hub, port1);
@@ -609,6 +653,13 @@
 		port_dev->req = NULL;
 	}
 	return 0;
+
+err_put_kn:
+	sysfs_put(port_dev->state_kn);
+err_unregister:
+	device_unregister(&port_dev->dev);
+
+	return retval;
 }
 
 void usb_hub_remove_port_device(struct usb_hub *hub, int port1)
@@ -619,5 +670,6 @@
 	peer = port_dev->peer;
 	if (peer)
 		unlink_peers(port_dev, peer);
+	sysfs_put(port_dev->state_kn);
 	device_unregister(&port_dev->dev);
 }
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 35ce8b8..a2ca38e 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -298,6 +298,29 @@
 }
 static DEVICE_ATTR_RO(urbnum);
 
+static ssize_t removable_show(struct device *dev, struct device_attribute *attr,
+			      char *buf)
+{
+	struct usb_device *udev;
+	char *state;
+
+	udev = to_usb_device(dev);
+
+	switch (udev->removable) {
+	case USB_DEVICE_REMOVABLE:
+		state = "removable";
+		break;
+	case USB_DEVICE_FIXED:
+		state = "fixed";
+		break;
+	default:
+		state = "unknown";
+	}
+
+	return sprintf(buf, "%s\n", state);
+}
+static DEVICE_ATTR_RO(removable);
+
 static ssize_t ltm_capable_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
@@ -802,6 +825,7 @@
 	&dev_attr_avoid_reset_quirk.attr,
 	&dev_attr_authorized.attr,
 	&dev_attr_remove.attr,
+	&dev_attr_removable.attr,
 	&dev_attr_ltm_capable.attr,
 #ifdef CONFIG_OF
 	&dev_attr_devspec.attr,
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 267543c..92df3d6 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -177,7 +177,10 @@
 	p->i2c_enable = false;
 	p->activate_stm_fs_transceiver = true;
 	p->activate_stm_id_vb_detection = true;
+	p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
 	p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
+	p->host_support_fs_ls_low_power = true;
+	p->host_ls_low_power_phy_clk = true;
 }
 
 static void dwc2_set_stm32mp15_hsotg_params(struct dwc2_hsotg *hsotg)
@@ -189,7 +192,12 @@
 	p->host_rx_fifo_size = 440;
 	p->host_nperio_tx_fifo_size = 256;
 	p->host_perio_tx_fifo_size = 256;
+	p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
 	p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
+	p->lpm = false;
+	p->lpm_clock_gating = false;
+	p->besl = false;
+	p->hird_threshold_en = false;
 }
 
 const struct of_device_id dwc2_of_match_table[] = {
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 7a23045..2133acf 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -139,4 +139,14 @@
 	  for peripheral mode support.
 	  Say 'Y' or 'M' if you have one such device.
 
+config USB_DWC3_IMX8MP
+	tristate "NXP iMX8MP Platform"
+	depends on OF && COMMON_CLK
+	depends on (ARCH_MXC && ARM64) || COMPILE_TEST
+	default USB_DWC3
+	help
+	  NXP iMX8M Plus SoC use DesignWare Core IP for USB2/3
+	  functionality.
+	  Say 'Y' or 'M' if you have one such device.
+
 endif
diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile
index ae86da0..2259f88 100644
--- a/drivers/usb/dwc3/Makefile
+++ b/drivers/usb/dwc3/Makefile
@@ -51,3 +51,4 @@
 obj-$(CONFIG_USB_DWC3_OF_SIMPLE)	+= dwc3-of-simple.o
 obj-$(CONFIG_USB_DWC3_ST)		+= dwc3-st.o
 obj-$(CONFIG_USB_DWC3_QCOM)		+= dwc3-qcom.o
+obj-$(CONFIG_USB_DWC3_IMX8MP)		+= dwc3-imx8mp.o
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 26f9928..0fd2e4c 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -562,6 +562,9 @@
 	parms->hwparams6 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS6);
 	parms->hwparams7 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS7);
 	parms->hwparams8 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS8);
+
+	if (DWC3_IP_IS(DWC32))
+		parms->hwparams9 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS9);
 }
 
 static int dwc3_core_ulpi_init(struct dwc3 *dwc)
@@ -1057,12 +1060,26 @@
 		if (!DWC3_VER_IS_PRIOR(DWC3, 290A))
 			reg |= DWC3_GUCTL1_DEV_L1_EXIT_BY_HW;
 
+		/*
+		 * Decouple USB 2.0 L1 & L2 events which will allow for
+		 * gadget driver to only receive U3/L2 suspend & wakeup
+		 * events and prevent the more frequent L1 LPM transitions
+		 * from interrupting the driver.
+		 */
+		if (!DWC3_VER_IS_PRIOR(DWC3, 300A))
+			reg |= DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT;
+
 		if (dwc->dis_tx_ipgap_linecheck_quirk)
 			reg |= DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS;
 
 		if (dwc->parkmode_disable_ss_quirk)
 			reg |= DWC3_GUCTL1_PARKMODE_DISABLE_SS;
 
+		if (DWC3_VER_IS_WITHIN(DWC3, 290A, ANY) &&
+		    (dwc->maximum_speed == USB_SPEED_HIGH ||
+		     dwc->maximum_speed == USB_SPEED_FULL))
+			reg |= DWC3_GUCTL1_DEV_FORCE_20_CLK_FOR_30_CLK;
+
 		dwc3_writel(dwc->regs, DWC3_GUCTL1, reg);
 	}
 
@@ -1146,11 +1163,8 @@
 		ret = PTR_ERR(dwc->usb2_phy);
 		if (ret == -ENXIO || ret == -ENODEV) {
 			dwc->usb2_phy = NULL;
-		} else if (ret == -EPROBE_DEFER) {
-			return ret;
 		} else {
-			dev_err(dev, "no usb2 phy configured\n");
-			return ret;
+			return dev_err_probe(dev, ret, "no usb2 phy configured\n");
 		}
 	}
 
@@ -1158,11 +1172,8 @@
 		ret = PTR_ERR(dwc->usb3_phy);
 		if (ret == -ENXIO || ret == -ENODEV) {
 			dwc->usb3_phy = NULL;
-		} else if (ret == -EPROBE_DEFER) {
-			return ret;
 		} else {
-			dev_err(dev, "no usb3 phy configured\n");
-			return ret;
+			return dev_err_probe(dev, ret, "no usb3 phy configured\n");
 		}
 	}
 
@@ -1171,11 +1182,8 @@
 		ret = PTR_ERR(dwc->usb2_generic_phy);
 		if (ret == -ENOSYS || ret == -ENODEV) {
 			dwc->usb2_generic_phy = NULL;
-		} else if (ret == -EPROBE_DEFER) {
-			return ret;
 		} else {
-			dev_err(dev, "no usb2 phy configured\n");
-			return ret;
+			return dev_err_probe(dev, ret, "no usb2 phy configured\n");
 		}
 	}
 
@@ -1184,11 +1192,8 @@
 		ret = PTR_ERR(dwc->usb3_generic_phy);
 		if (ret == -ENOSYS || ret == -ENODEV) {
 			dwc->usb3_generic_phy = NULL;
-		} else if (ret == -EPROBE_DEFER) {
-			return ret;
 		} else {
-			dev_err(dev, "no usb3 phy configured\n");
-			return ret;
+			return dev_err_probe(dev, ret, "no usb3 phy configured\n");
 		}
 	}
 
@@ -1210,11 +1215,8 @@
 		phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_DEVICE);
 
 		ret = dwc3_gadget_init(dwc);
-		if (ret) {
-			if (ret != -EPROBE_DEFER)
-				dev_err(dev, "failed to initialize gadget\n");
-			return ret;
-		}
+		if (ret)
+			return dev_err_probe(dev, ret, "failed to initialize gadget\n");
 		break;
 	case USB_DR_MODE_HOST:
 		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_HOST);
@@ -1225,20 +1227,14 @@
 		phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_HOST);
 
 		ret = dwc3_host_init(dwc);
-		if (ret) {
-			if (ret != -EPROBE_DEFER)
-				dev_err(dev, "failed to initialize host\n");
-			return ret;
-		}
+		if (ret)
+			return dev_err_probe(dev, ret, "failed to initialize host\n");
 		break;
 	case USB_DR_MODE_OTG:
 		INIT_WORK(&dwc->drd_work, __dwc3_set_mode);
 		ret = dwc3_drd_init(dwc);
-		if (ret) {
-			if (ret != -EPROBE_DEFER)
-				dev_err(dev, "failed to initialize dual-role\n");
-			return ret;
-		}
+		if (ret)
+			return dev_err_probe(dev, ret, "failed to initialize dual-role\n");
 		break;
 	default:
 		dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode);
@@ -1279,6 +1275,9 @@
 	u8			rx_max_burst_prd = 0;
 	u8			tx_thr_num_pkt_prd = 0;
 	u8			tx_max_burst_prd = 0;
+	u8			tx_fifo_resize_max_num;
+	const char		*usb_psy_name;
+	int			ret;
 
 	/* default to highest possible threshold */
 	lpm_nyet_threshold = 0xf;
@@ -1292,7 +1291,15 @@
 	 */
 	hird_threshold = 12;
 
+	/*
+	 * default to a TXFIFO size large enough to fit 6 max packets.  This
+	 * allows for systems with larger bus latencies to have some headroom
+	 * for endpoints that have a large bMaxBurst value.
+	 */
+	tx_fifo_resize_max_num = 6;
+
 	dwc->maximum_speed = usb_get_maximum_speed(dev);
+	dwc->max_ssp_rate = usb_get_maximum_ssp_rate(dev);
 	dwc->dr_mode = usb_get_dr_mode(dev);
 	dwc->hsphy_mode = of_usb_get_phy_mode(dev->of_node);
 
@@ -1303,6 +1310,13 @@
 	else
 		dwc->sysdev = dwc->dev;
 
+	ret = device_property_read_string(dev, "usb-psy-name", &usb_psy_name);
+	if (ret >= 0) {
+		dwc->usb_psy = power_supply_get_by_name(usb_psy_name);
+		if (!dwc->usb_psy)
+			dev_err(dev, "couldn't get usb power supply\n");
+	}
+
 	dwc->has_lpm_erratum = device_property_read_bool(dev,
 				"snps,has-lpm-erratum");
 	device_property_read_u8(dev, "snps,lpm-nyet-threshold",
@@ -1327,6 +1341,11 @@
 				&tx_thr_num_pkt_prd);
 	device_property_read_u8(dev, "snps,tx-max-burst-prd",
 				&tx_max_burst_prd);
+	dwc->do_fifo_resize = device_property_read_bool(dev,
+							"tx-fifo-resize");
+	if (dwc->do_fifo_resize)
+		device_property_read_u8(dev, "tx-fifo-max-num",
+					&tx_fifo_resize_max_num);
 
 	dwc->disable_scramble_quirk = device_property_read_bool(dev,
 				"snps,disable_scramble_quirk");
@@ -1392,6 +1411,8 @@
 	dwc->tx_max_burst_prd = tx_max_burst_prd;
 
 	dwc->imod_interval = 0;
+
+	dwc->tx_fifo_resize_max_num = tx_fifo_resize_max_num;
 }
 
 /* check whether the core supports IMOD */
@@ -1466,21 +1487,59 @@
 		}
 		break;
 	}
+
+	/*
+	 * Currently the controller does not have visibility into the HW
+	 * parameter to determine the maximum number of lanes the HW supports.
+	 * If the number of lanes is not specified in the device property, then
+	 * set the default to support dual-lane for DWC_usb32 and single-lane
+	 * for DWC_usb31 for super-speed-plus.
+	 */
+	if (dwc->maximum_speed == USB_SPEED_SUPER_PLUS) {
+		switch (dwc->max_ssp_rate) {
+		case USB_SSP_GEN_2x1:
+			if (hwparam_gen == DWC3_GHWPARAMS3_SSPHY_IFC_GEN1)
+				dev_warn(dev, "UDC only supports Gen 1\n");
+			break;
+		case USB_SSP_GEN_1x2:
+		case USB_SSP_GEN_2x2:
+			if (DWC3_IP_IS(DWC31))
+				dev_warn(dev, "UDC only supports single lane\n");
+			break;
+		case USB_SSP_GEN_UNKNOWN:
+		default:
+			switch (hwparam_gen) {
+			case DWC3_GHWPARAMS3_SSPHY_IFC_GEN2:
+				if (DWC3_IP_IS(DWC32))
+					dwc->max_ssp_rate = USB_SSP_GEN_2x2;
+				else
+					dwc->max_ssp_rate = USB_SSP_GEN_2x1;
+				break;
+			case DWC3_GHWPARAMS3_SSPHY_IFC_GEN1:
+				if (DWC3_IP_IS(DWC32))
+					dwc->max_ssp_rate = USB_SSP_GEN_1x2;
+				break;
+			}
+			break;
+		}
+	}
 }
 
 static int dwc3_probe(struct platform_device *pdev)
 {
 	struct device		*dev = &pdev->dev;
 	struct resource		*res, dwc_res;
+	struct dwc3_vendor	*vdwc;
 	struct dwc3		*dwc;
 
 	int			ret;
 
 	void __iomem		*regs;
 
-	dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL);
-	if (!dwc)
+	vdwc = devm_kzalloc(dev, sizeof(*vdwc), GFP_KERNEL);
+	if (!vdwc)
 		return -ENOMEM;
+	dwc = &vdwc->dwc;
 
 	dwc->dev = dev;
 
@@ -1512,14 +1571,18 @@
 
 	dwc3_get_properties(dwc);
 
-	dwc->reset = devm_reset_control_array_get(dev, true, true);
-	if (IS_ERR(dwc->reset))
-		return PTR_ERR(dwc->reset);
+	dwc->reset = devm_reset_control_array_get_optional_shared(dev);
+	if (IS_ERR(dwc->reset)) {
+		ret = PTR_ERR(dwc->reset);
+		goto put_usb_psy;
+	}
 
 	if (dev->of_node) {
 		ret = devm_clk_bulk_get_all(dev, &dwc->clks);
-		if (ret == -EPROBE_DEFER)
-			return ret;
+		if (ret == -EPROBE_DEFER) {
+			goto put_usb_psy;
+		}
+
 		/*
 		 * Clocks are optional, but new DT platforms should support all
 		 * clocks as required by the DT-binding.
@@ -1528,12 +1591,11 @@
 			dwc->num_clks = 0;
 		else
 			dwc->num_clks = ret;
-
 	}
 
 	ret = reset_control_deassert(dwc->reset);
 	if (ret)
-		return ret;
+		goto put_usb_psy;
 
 	ret = clk_bulk_prepare_enable(dwc->num_clks, dwc->clks);
 	if (ret)
@@ -1548,6 +1610,13 @@
 	platform_set_drvdata(pdev, dwc);
 	dwc3_cache_hwparams(dwc);
 
+	if (!dwc->sysdev_is_parent &&
+	    DWC3_GHWPARAMS0_AWIDTH(dwc->hwparams.hwparams0) == 64) {
+		ret = dma_set_mask_and_coherent(dwc->sysdev, DMA_BIT_MASK(64));
+		if (ret)
+			goto disable_clks;
+	}
+
 	spin_lock_init(&dwc->lock);
 	mutex_init(&dwc->mutex);
 
@@ -1576,8 +1645,7 @@
 
 	ret = dwc3_core_init(dwc);
 	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to initialize core: %d\n", ret);
+		dev_err_probe(dev, ret, "failed to initialize core\n");
 		goto err4;
 	}
 
@@ -1625,6 +1693,9 @@
 	clk_bulk_disable_unprepare(dwc->num_clks, dwc->clks);
 assert_reset:
 	reset_control_assert(dwc->reset);
+put_usb_psy:
+	if (dwc->usb_psy)
+		power_supply_put(dwc->usb_psy);
 
 	return ret;
 }
@@ -1644,11 +1715,19 @@
 	pm_runtime_allow(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_put_noidle(&pdev->dev);
+	/*
+	 * HACK: Clear the driver data, which is currently accessed by parent
+	 * glue drivers, before allowing the parent to suspend.
+	 */
+	platform_set_drvdata(pdev, NULL);
 	pm_runtime_set_suspended(&pdev->dev);
 
 	dwc3_free_event_buffers(dwc);
 	dwc3_free_scratch_buffers(dwc);
 
+	if (dwc->usb_psy)
+		power_supply_put(dwc->usb_psy);
+
 	return 0;
 }
 
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 291893d..327a9fa 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -22,6 +22,7 @@
 #include <linux/debugfs.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
+#include <linux/android_kabi.h>
 
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
@@ -31,6 +32,8 @@
 
 #include <linux/phy/phy.h>
 
+#include <linux/power_supply.h>
+
 #define DWC3_MSG_MAX	500
 
 /* Global constants */
@@ -55,7 +58,7 @@
 #define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE	3
 #define DWC3_DEVICE_EVENT_WAKEUP		4
 #define DWC3_DEVICE_EVENT_HIBER_REQ		5
-#define DWC3_DEVICE_EVENT_EOPF			6
+#define DWC3_DEVICE_EVENT_SUSPEND		6
 #define DWC3_DEVICE_EVENT_SOF			7
 #define DWC3_DEVICE_EVENT_ERRATIC_ERROR		9
 #define DWC3_DEVICE_EVENT_CMD_CMPL		10
@@ -141,6 +144,7 @@
 #define DWC3_GHWPARAMS8		0xc600
 #define DWC3_GUCTL3		0xc60c
 #define DWC3_GFLADJ		0xc630
+#define DWC3_GHWPARAMS9		0xc6e0
 
 /* Device Registers */
 #define DWC3_DCFG		0xc700
@@ -250,9 +254,11 @@
 #define DWC3_GCTL_DSBLCLKGTNG		BIT(0)
 
 /* Global User Control 1 Register */
-#define DWC3_GUCTL1_PARKMODE_DISABLE_SS	BIT(17)
+#define DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT	BIT(31)
 #define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS	BIT(28)
-#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW	BIT(24)
+#define DWC3_GUCTL1_DEV_FORCE_20_CLK_FOR_30_CLK	BIT(26)
+#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW		BIT(24)
+#define DWC3_GUCTL1_PARKMODE_DISABLE_SS		BIT(17)
 
 /* Global Status Register */
 #define DWC3_GSTS_OTG_IP	BIT(10)
@@ -373,6 +379,9 @@
 #define DWC3_GHWPARAMS7_RAM1_DEPTH(n)	((n) & 0xffff)
 #define DWC3_GHWPARAMS7_RAM2_DEPTH(n)	(((n) >> 16) & 0xffff)
 
+/* Global HWPARAMS9 Register */
+#define DWC3_GHWPARAMS9_DEV_TXF_FLUSH_BYPASS	BIT(0)
+
 /* Global Frame Length Adjustment Register */
 #define DWC3_GFLADJ_30MHZ_SDBND_SEL		BIT(7)
 #define DWC3_GFLADJ_30MHZ_MASK			0x3f
@@ -384,6 +393,8 @@
 #define DWC3_GUCTL3_SPLITDISABLE		BIT(14)
 
 /* Device Configuration Register */
+#define DWC3_DCFG_NUMLANES(n)	(((n) & 0x3) << 30) /* DWC_usb32 only */
+
 #define DWC3_DCFG_DEVADDR(addr)	((addr) << 3)
 #define DWC3_DCFG_DEVADDR_MASK	DWC3_DCFG_DEVADDR(0x7f)
 
@@ -398,6 +409,7 @@
 #define DWC3_DCFG_NUMP(n)	(((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f)
 #define DWC3_DCFG_NUMP_MASK	(0x1f << DWC3_DCFG_NUMP_SHIFT)
 #define DWC3_DCFG_LPM_CAP	BIT(22)
+#define DWC3_DCFG_IGNSTRMPP	BIT(23)
 
 /* Device Control Register */
 #define DWC3_DCTL_RUN_STOP	BIT(31)
@@ -449,7 +461,7 @@
 #define DWC3_DEVTEN_CMDCMPLTEN		BIT(10)
 #define DWC3_DEVTEN_ERRTICERREN		BIT(9)
 #define DWC3_DEVTEN_SOFEN		BIT(7)
-#define DWC3_DEVTEN_EOPFEN		BIT(6)
+#define DWC3_DEVTEN_U3L2L1SUSPEN	BIT(6)
 #define DWC3_DEVTEN_HIBERNATIONREQEVTEN	BIT(5)
 #define DWC3_DEVTEN_WKUPEVTEN		BIT(4)
 #define DWC3_DEVTEN_ULSTCNGEN		BIT(3)
@@ -457,6 +469,8 @@
 #define DWC3_DEVTEN_USBRSTEN		BIT(1)
 #define DWC3_DEVTEN_DISCONNEVTEN	BIT(0)
 
+#define DWC3_DSTS_CONNLANES(n)		(((n) >> 30) & 0x3) /* DWC_usb32 only */
+
 /* Device Status Register */
 #define DWC3_DSTS_DCNRD			BIT(29)
 
@@ -647,6 +661,8 @@
 	dma_addr_t		dma;
 
 	struct dwc3		*dwc;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #define DWC3_EP_FLAG_STALLED	BIT(0)
@@ -710,6 +726,8 @@
 #define DWC3_EP_FORCE_RESTART_STREAM	BIT(9)
 #define DWC3_EP_FIRST_STREAM_PRIMED	BIT(10)
 #define DWC3_EP_PENDING_CLEAR_STALL	BIT(11)
+#define DWC3_EP_TXFIFO_RESIZED		BIT(12)
+#define DWC3_EP_DELAY_STOP             BIT(13)
 
 	/* This last one is specific to EP0 */
 #define DWC3_EP0_DIR_IN		BIT(31)
@@ -740,6 +758,9 @@
 	/* For isochronous START TRANSFER workaround only */
 	u8			combo_num;
 	int			start_cmd_status;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 enum dwc3_phy {
@@ -838,6 +859,7 @@
  * @hwparams6: GHWPARAMS6
  * @hwparams7: GHWPARAMS7
  * @hwparams8: GHWPARAMS8
+ * @hwparams9: GHWPARAMS9
  */
 struct dwc3_hwparams {
 	u32	hwparams0;
@@ -849,13 +871,15 @@
 	u32	hwparams6;
 	u32	hwparams7;
 	u32	hwparams8;
+	u32	hwparams9;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /* HWPARAMS0 */
 #define DWC3_MODE(n)		((n) & 0x7)
 
-#define DWC3_MDWIDTH(n)		(((n) & 0xff00) >> 8)
-
 /* HWPARAMS1 */
 #define DWC3_NUM_INT(n)		(((n) & (0x3f << 15)) >> 15)
 
@@ -902,11 +926,13 @@
 	unsigned int		remaining;
 
 	unsigned int		status;
-#define DWC3_REQUEST_STATUS_QUEUED	0
-#define DWC3_REQUEST_STATUS_STARTED	1
-#define DWC3_REQUEST_STATUS_CANCELLED	2
-#define DWC3_REQUEST_STATUS_COMPLETED	3
-#define DWC3_REQUEST_STATUS_UNKNOWN	-1
+#define DWC3_REQUEST_STATUS_QUEUED		0
+#define DWC3_REQUEST_STATUS_STARTED		1
+#define DWC3_REQUEST_STATUS_DISCONNECTED	2
+#define DWC3_REQUEST_STATUS_DEQUEUED		3
+#define DWC3_REQUEST_STATUS_STALLED		4
+#define DWC3_REQUEST_STATUS_COMPLETED		5
+#define DWC3_REQUEST_STATUS_UNKNOWN		-1
 
 	u8			epnum;
 	struct dwc3_trb		*trb;
@@ -917,6 +943,9 @@
 	unsigned int		needs_extra_trb:1;
 	unsigned int		direction:1;
 	unsigned int		mapped:1;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /*
@@ -963,6 +992,10 @@
  * @nr_scratch: number of scratch buffers
  * @u1u2: only used on revisions <1.83a for workaround
  * @maximum_speed: maximum speed requested (mainly for testing purposes)
+ * @max_ssp_rate: SuperSpeed Plus maximum signaling rate and lane count
+ * @gadget_max_speed: maximum gadget speed requested
+ * @gadget_ssp_rate: Gadget driver's maximum supported SuperSpeed Plus signaling
+ *			rate and lane count.
  * @ip: controller's ID
  * @revision: controller's version of an IP
  * @version_type: VERSIONTYPE register contents, a sub release of a revision
@@ -977,6 +1010,7 @@
  * @role_sw: usb_role_switch handle
  * @role_switch_default_mode: default operation mode of controller while
  *			usb role is USB_ROLE_NONE.
+ * @usb_psy: pointer to power supply interface.
  * @usb2_phy: pointer to USB2 PHY
  * @usb3_phy: pointer to USB3 PHY
  * @usb2_generic_phy: pointer to USB2 PHY
@@ -1005,9 +1039,9 @@
  * @rx_max_burst_prd: max periodic ESS receive burst size
  * @tx_thr_num_pkt_prd: periodic ESS transmit packet count
  * @tx_max_burst_prd: max periodic ESS transmit burst size
+ * @tx_fifo_resize_max_num: max number of fifos allocated during txfifo resize
  * @hsphy_interface: "utmi" or "ulpi"
  * @connected: true when we're connected to a host, false otherwise
- * @softconnect: true when gadget connect is called, false when disconnect runs
  * @delayed_status: true when gadget driver asks for delayed status
  * @ep0_bounced: true when we used bounce buffer
  * @ep0_expect_in: true when we expect a DATA IN transfer
@@ -1020,6 +1054,7 @@
  *	1	- utmi_l1_suspend_n
  * @is_fpga: true when we are using the FPGA board
  * @pending_events: true when we have pending IRQs to be handled
+ * @do_fifo_resize: true when txfifo resizing is enabled for dwc3 endpoints
  * @pullups_connected: true when Run/Stop bit is set
  * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround
  * @three_stage_setup: set if we perform a three phase setup
@@ -1062,6 +1097,11 @@
  * @dis_split_quirk: set to disable split boundary.
  * @imod_interval: set the interrupt moderation interval in 250ns
  *			increments or 0 to disable.
+ * @max_cfg_eps: current max number of IN eps used across all USB configs.
+ * @last_fifo_depth: last fifo depth used to determine next fifo ram start
+ *		     address.
+ * @num_ep_resized: carries the current number endpoints which have had its tx
+ *		    fifo resized.
  */
 struct dwc3 {
 	struct work_struct	drd_work;
@@ -1121,6 +1161,8 @@
 	struct usb_role_switch	*role_sw;
 	enum usb_dr_mode	role_switch_default_mode;
 
+	struct power_supply	*usb_psy;
+
 	u32			fladj;
 	u32			irq_gadget;
 	u32			otg_irq;
@@ -1130,6 +1172,9 @@
 	u32			nr_scratch;
 	u32			u1u2;
 	u32			maximum_speed;
+	u32			gadget_max_speed;
+	enum usb_ssp_rate	max_ssp_rate;
+	enum usb_ssp_rate	gadget_ssp_rate;
 
 	u32			ip;
 
@@ -1212,11 +1257,11 @@
 	u8			rx_max_burst_prd;
 	u8			tx_thr_num_pkt_prd;
 	u8			tx_max_burst_prd;
+	u8			tx_fifo_resize_max_num;
 
 	const char		*hsphy_interface;
 
 	unsigned		connected:1;
-	unsigned		softconnect:1;
 	unsigned		delayed_status:1;
 	unsigned		ep0_bounced:1;
 	unsigned		ep0_expect_in:1;
@@ -1226,6 +1271,7 @@
 	unsigned		is_utmi_l1_suspend:1;
 	unsigned		is_fpga:1;
 	unsigned		pending_events:1;
+	unsigned		do_fifo_resize:1;
 	unsigned		pullups_connected:1;
 	unsigned		setup_packet_pending:1;
 	unsigned		three_stage_setup:1;
@@ -1259,8 +1305,28 @@
 	unsigned		dis_metastability_quirk:1;
 
 	unsigned		dis_split_quirk:1;
+	unsigned		async_callbacks:1;
 
 	u16			imod_interval;
+
+	int			max_cfg_eps;
+	int			last_fifo_depth;
+	int			num_ep_resized;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+};
+
+/**
+ * struct dwc3_vendor - contains parameters without modifying the format of DWC3 core
+ * @dwc: contains dwc3 core reference
+ * @softconnect: true when gadget connect is called, false when disconnect runs
+ */
+struct dwc3_vendor {
+	struct dwc3	dwc;
+	unsigned	softconnect:1;
 };
 
 #define INCRX_BURST_MODE 0
@@ -1353,7 +1419,7 @@
  *	3	- ULStChng
  *	4	- WkUpEvt
  *	5	- Reserved
- *	6	- EOPF
+ *	6	- Suspend (EOPF on revisions 2.10a and prior)
  *	7	- SOF
  *	8	- Reserved
  *	9	- ErrticErr
@@ -1450,6 +1516,23 @@
 	 (!(_ip##_VERSIONTYPE_##_to) ||					\
 	  dwc->version_type <= _ip##_VERSIONTYPE_##_to))
 
+/**
+ * dwc3_mdwidth - get MDWIDTH value in bits
+ * @dwc: pointer to our context structure
+ *
+ * Return MDWIDTH configuration value in bits.
+ */
+static inline u32 dwc3_mdwidth(struct dwc3 *dwc)
+{
+	u32 mdwidth;
+
+	mdwidth = DWC3_GHWPARAMS0_MDWIDTH(dwc->hwparams.hwparams0);
+	if (DWC3_IP_IS(DWC32))
+		mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+
+	return mdwidth;
+}
+
 bool dwc3_has_imod(struct dwc3 *dwc);
 
 int dwc3_event_buffers_setup(struct dwc3 *dwc);
@@ -1477,6 +1560,9 @@
 		struct dwc3_gadget_ep_cmd_params *params);
 int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd,
 		u32 param);
+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt);
+void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc);
+void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status);
 #else
 static inline int dwc3_gadget_init(struct dwc3 *dwc)
 { return 0; }
@@ -1496,6 +1582,11 @@
 static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc,
 		int cmd, u32 param)
 { return 0; }
+static inline void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+					     bool interrupt)
+{ }
+static inline void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc)
+{ }
 #endif
 
 #if IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
index 74d9c2c..b2aa727 100644
--- a/drivers/usb/dwc3/debug.h
+++ b/drivers/usb/dwc3/debug.h
@@ -221,8 +221,8 @@
 		snprintf(str, size, "WakeUp [%s]",
 				dwc3_gadget_link_string(state));
 		break;
-	case DWC3_DEVICE_EVENT_EOPF:
-		snprintf(str, size, "End-Of-Frame [%s]",
+	case DWC3_DEVICE_EVENT_SUSPEND:
+		snprintf(str, size, "Suspend [%s]",
 				dwc3_gadget_link_string(state));
 		break;
 	case DWC3_DEVICE_EVENT_SOF:
@@ -353,8 +353,8 @@
 		return "Wake-Up";
 	case DWC3_DEVICE_EVENT_HIBER_REQ:
 		return "Hibernation";
-	case DWC3_DEVICE_EVENT_EOPF:
-		return "End of Periodic Frame";
+	case DWC3_DEVICE_EVENT_SUSPEND:
+		return "Suspend";
 	case DWC3_DEVICE_EVENT_SOF:
 		return "Start of Frame";
 	case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index da8b62d..9592875 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -683,7 +683,7 @@
 	struct dwc3_ep		*dep = s->private;
 	struct dwc3		*dwc = dep->dwc;
 	unsigned long		flags;
-	int			mdwidth;
+	u32			mdwidth;
 	u32			val;
 	int			ret;
 
@@ -695,9 +695,7 @@
 	val = dwc3_core_fifo_space(dep, DWC3_TXFIFO);
 
 	/* Convert to bytes */
-	mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
-	if (DWC3_IP_IS(DWC32))
-		mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+	mdwidth = dwc3_mdwidth(dwc);
 
 	val *= mdwidth;
 	val >>= 3;
@@ -714,7 +712,7 @@
 	struct dwc3_ep		*dep = s->private;
 	struct dwc3		*dwc = dep->dwc;
 	unsigned long		flags;
-	int			mdwidth;
+	u32			mdwidth;
 	u32			val;
 	int			ret;
 
@@ -726,9 +724,7 @@
 	val = dwc3_core_fifo_space(dep, DWC3_RXFIFO);
 
 	/* Convert to bytes */
-	mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
-	if (DWC3_IP_IS(DWC32))
-		mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+	mdwidth = dwc3_mdwidth(dwc);
 
 	val *= mdwidth;
 	val >>= 3;
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index 8bcfbb2..cdd94a5 100644
--- a/drivers/usb/dwc3/drd.c
+++ b/drivers/usb/dwc3/drd.c
@@ -441,8 +441,8 @@
 static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
 {
 	struct device *dev = dwc->dev;
-	struct device_node *np_phy, *np_conn;
-	struct extcon_dev *edev;
+	struct device_node *np_phy;
+	struct extcon_dev *edev = NULL;
 	const char *name;
 
 	if (device_property_read_bool(dev, "extcon"))
@@ -462,15 +462,22 @@
 		return edev;
 	}
 
+	/*
+	 * Try to get an extcon device from the USB PHY controller's "port"
+	 * node. Check if it has the "port" node first, to avoid printing the
+	 * error message from underlying code, as it's a valid case: extcon
+	 * device (and "port" node) may be missing in case of "usb-role-switch"
+	 * or OTG mode.
+	 */
 	np_phy = of_parse_phandle(dev->of_node, "phys", 0);
-	np_conn = of_graph_get_remote_node(np_phy, -1, -1);
+	if (of_graph_is_present(np_phy)) {
+		struct device_node *np_conn;
 
-	if (np_conn)
-		edev = extcon_find_edev_by_node(np_conn);
-	else
-		edev = NULL;
-
-	of_node_put(np_conn);
+		np_conn = of_graph_get_remote_node(np_phy, -1, -1);
+		if (np_conn)
+			edev = extcon_find_edev_by_node(np_conn);
+		of_node_put(np_conn);
+	}
 	of_node_put(np_phy);
 
 	return edev;
diff --git a/drivers/usb/dwc3/dwc3-imx8mp.c b/drivers/usb/dwc3/dwc3-imx8mp.c
new file mode 100644
index 0000000..84c1a4a
--- /dev/null
+++ b/drivers/usb/dwc3/dwc3-imx8mp.c
@@ -0,0 +1,364 @@
+// SPDX-License-Identifier: GPL-2.0
+/**
+ * dwc3-imx8mp.c - NXP imx8mp Specific Glue layer
+ *
+ * Copyright (c) 2020 NXP.
+ */
+
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+
+#include "core.h"
+
+/* USB wakeup registers */
+#define USB_WAKEUP_CTRL			0x00
+
+/* Global wakeup interrupt enable, also used to clear interrupt */
+#define USB_WAKEUP_EN			BIT(31)
+/* Wakeup from connect or disconnect, only for superspeed */
+#define USB_WAKEUP_SS_CONN		BIT(5)
+/* 0 select vbus_valid, 1 select sessvld */
+#define USB_WAKEUP_VBUS_SRC_SESS_VAL	BIT(4)
+/* Enable signal for wake up from u3 state */
+#define USB_WAKEUP_U3_EN		BIT(3)
+/* Enable signal for wake up from id change */
+#define USB_WAKEUP_ID_EN		BIT(2)
+/* Enable signal for wake up from vbus change */
+#define	USB_WAKEUP_VBUS_EN		BIT(1)
+/* Enable signal for wake up from dp/dm change */
+#define USB_WAKEUP_DPDM_EN		BIT(0)
+
+#define USB_WAKEUP_EN_MASK		GENMASK(5, 0)
+
+struct dwc3_imx8mp {
+	struct device			*dev;
+	struct platform_device		*dwc3;
+	void __iomem			*glue_base;
+	struct clk			*hsio_clk;
+	struct clk			*suspend_clk;
+	int				irq;
+	bool				pm_suspended;
+	bool				wakeup_pending;
+};
+
+static void dwc3_imx8mp_wakeup_enable(struct dwc3_imx8mp *dwc3_imx)
+{
+	struct dwc3	*dwc3 = platform_get_drvdata(dwc3_imx->dwc3);
+	u32		val;
+
+	if (!dwc3)
+		return;
+
+	val = readl(dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+
+	if ((dwc3->current_dr_role == DWC3_GCTL_PRTCAP_HOST) && dwc3->xhci)
+		val |= USB_WAKEUP_EN | USB_WAKEUP_SS_CONN |
+		       USB_WAKEUP_U3_EN | USB_WAKEUP_DPDM_EN;
+	else if (dwc3->current_dr_role == DWC3_GCTL_PRTCAP_DEVICE)
+		val |= USB_WAKEUP_EN | USB_WAKEUP_VBUS_EN |
+		       USB_WAKEUP_VBUS_SRC_SESS_VAL;
+
+	writel(val, dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+}
+
+static void dwc3_imx8mp_wakeup_disable(struct dwc3_imx8mp *dwc3_imx)
+{
+	u32 val;
+
+	val = readl(dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+	val &= ~(USB_WAKEUP_EN | USB_WAKEUP_EN_MASK);
+	writel(val, dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+}
+
+static irqreturn_t dwc3_imx8mp_interrupt(int irq, void *_dwc3_imx)
+{
+	struct dwc3_imx8mp	*dwc3_imx = _dwc3_imx;
+	struct dwc3		*dwc = platform_get_drvdata(dwc3_imx->dwc3);
+
+	if (!dwc3_imx->pm_suspended)
+		return IRQ_HANDLED;
+
+	disable_irq_nosync(dwc3_imx->irq);
+	dwc3_imx->wakeup_pending = true;
+
+	if ((dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST) && dwc->xhci)
+		pm_runtime_resume(&dwc->xhci->dev);
+	else if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_DEVICE)
+		pm_runtime_get(dwc->dev);
+
+	return IRQ_HANDLED;
+}
+
+static int dwc3_imx8mp_probe(struct platform_device *pdev)
+{
+	struct device		*dev = &pdev->dev;
+	struct device_node	*dwc3_np, *node = dev->of_node;
+	struct dwc3_imx8mp	*dwc3_imx;
+	int			err, irq;
+
+	if (!node) {
+		dev_err(dev, "device node not found\n");
+		return -EINVAL;
+	}
+
+	dwc3_imx = devm_kzalloc(dev, sizeof(*dwc3_imx), GFP_KERNEL);
+	if (!dwc3_imx)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, dwc3_imx);
+
+	dwc3_imx->dev = dev;
+
+	dwc3_imx->glue_base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(dwc3_imx->glue_base))
+		return PTR_ERR(dwc3_imx->glue_base);
+
+	dwc3_imx->hsio_clk = devm_clk_get(dev, "hsio");
+	if (IS_ERR(dwc3_imx->hsio_clk)) {
+		err = PTR_ERR(dwc3_imx->hsio_clk);
+		dev_err(dev, "Failed to get hsio clk, err=%d\n", err);
+		return err;
+	}
+
+	err = clk_prepare_enable(dwc3_imx->hsio_clk);
+	if (err) {
+		dev_err(dev, "Failed to enable hsio clk, err=%d\n", err);
+		return err;
+	}
+
+	dwc3_imx->suspend_clk = devm_clk_get(dev, "suspend");
+	if (IS_ERR(dwc3_imx->suspend_clk)) {
+		err = PTR_ERR(dwc3_imx->suspend_clk);
+		dev_err(dev, "Failed to get suspend clk, err=%d\n", err);
+		goto disable_hsio_clk;
+	}
+
+	err = clk_prepare_enable(dwc3_imx->suspend_clk);
+	if (err) {
+		dev_err(dev, "Failed to enable suspend clk, err=%d\n", err);
+		goto disable_hsio_clk;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		err = irq;
+		goto disable_clks;
+	}
+	dwc3_imx->irq = irq;
+
+	err = devm_request_threaded_irq(dev, irq, NULL, dwc3_imx8mp_interrupt,
+					IRQF_ONESHOT, dev_name(dev), dwc3_imx);
+	if (err) {
+		dev_err(dev, "failed to request IRQ #%d --> %d\n", irq, err);
+		goto disable_clks;
+	}
+
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+	err = pm_runtime_get_sync(dev);
+	if (err < 0)
+		goto disable_rpm;
+
+	dwc3_np = of_get_child_by_name(node, "dwc3");
+	if (!dwc3_np) {
+		err = -ENODEV;
+		dev_err(dev, "failed to find dwc3 core child\n");
+		goto disable_rpm;
+	}
+
+	err = of_platform_populate(node, NULL, NULL, dev);
+	if (err) {
+		dev_err(&pdev->dev, "failed to create dwc3 core\n");
+		goto err_node_put;
+	}
+
+	dwc3_imx->dwc3 = of_find_device_by_node(dwc3_np);
+	if (!dwc3_imx->dwc3) {
+		dev_err(dev, "failed to get dwc3 platform device\n");
+		err = -ENODEV;
+		goto depopulate;
+	}
+	of_node_put(dwc3_np);
+
+	device_set_wakeup_capable(dev, true);
+	pm_runtime_put(dev);
+
+	return 0;
+
+depopulate:
+	of_platform_depopulate(dev);
+err_node_put:
+	of_node_put(dwc3_np);
+disable_rpm:
+	pm_runtime_disable(dev);
+	pm_runtime_put_noidle(dev);
+disable_clks:
+	clk_disable_unprepare(dwc3_imx->suspend_clk);
+disable_hsio_clk:
+	clk_disable_unprepare(dwc3_imx->hsio_clk);
+
+	return err;
+}
+
+static int dwc3_imx8mp_remove(struct platform_device *pdev)
+{
+	struct dwc3_imx8mp *dwc3_imx = platform_get_drvdata(pdev);
+	struct device *dev = &pdev->dev;
+
+	pm_runtime_get_sync(dev);
+	of_platform_depopulate(dev);
+
+	clk_disable_unprepare(dwc3_imx->suspend_clk);
+	clk_disable_unprepare(dwc3_imx->hsio_clk);
+
+	pm_runtime_disable(dev);
+	pm_runtime_put_noidle(dev);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static int __maybe_unused dwc3_imx8mp_suspend(struct dwc3_imx8mp *dwc3_imx,
+					      pm_message_t msg)
+{
+	if (dwc3_imx->pm_suspended)
+		return 0;
+
+	/* Wakeup enable */
+	if (PMSG_IS_AUTO(msg) || device_may_wakeup(dwc3_imx->dev))
+		dwc3_imx8mp_wakeup_enable(dwc3_imx);
+
+	dwc3_imx->pm_suspended = true;
+
+	return 0;
+}
+
+static int __maybe_unused dwc3_imx8mp_resume(struct dwc3_imx8mp *dwc3_imx,
+					     pm_message_t msg)
+{
+	struct dwc3	*dwc = platform_get_drvdata(dwc3_imx->dwc3);
+	int ret = 0;
+
+	if (!dwc3_imx->pm_suspended)
+		return 0;
+
+	/* Wakeup disable */
+	dwc3_imx8mp_wakeup_disable(dwc3_imx);
+	dwc3_imx->pm_suspended = false;
+
+	if (dwc3_imx->wakeup_pending) {
+		dwc3_imx->wakeup_pending = false;
+		if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_DEVICE) {
+			pm_runtime_mark_last_busy(dwc->dev);
+			pm_runtime_put_autosuspend(dwc->dev);
+		} else {
+			/*
+			 * Add wait for xhci switch from suspend
+			 * clock to normal clock to detect connection.
+			 */
+			usleep_range(9000, 10000);
+		}
+		enable_irq(dwc3_imx->irq);
+	}
+
+	return ret;
+}
+
+static int __maybe_unused dwc3_imx8mp_pm_suspend(struct device *dev)
+{
+	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+	int ret;
+
+	ret = dwc3_imx8mp_suspend(dwc3_imx, PMSG_SUSPEND);
+
+	if (device_may_wakeup(dwc3_imx->dev))
+		enable_irq_wake(dwc3_imx->irq);
+	else
+		clk_disable_unprepare(dwc3_imx->suspend_clk);
+
+	clk_disable_unprepare(dwc3_imx->hsio_clk);
+	dev_dbg(dev, "dwc3 imx8mp pm suspend.\n");
+
+	return ret;
+}
+
+static int __maybe_unused dwc3_imx8mp_pm_resume(struct device *dev)
+{
+	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+	int ret;
+
+	if (device_may_wakeup(dwc3_imx->dev)) {
+		disable_irq_wake(dwc3_imx->irq);
+	} else {
+		ret = clk_prepare_enable(dwc3_imx->suspend_clk);
+		if (ret)
+			return ret;
+	}
+
+	ret = clk_prepare_enable(dwc3_imx->hsio_clk);
+	if (ret)
+		return ret;
+
+	ret = dwc3_imx8mp_resume(dwc3_imx, PMSG_RESUME);
+
+	pm_runtime_disable(dev);
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+
+	dev_dbg(dev, "dwc3 imx8mp pm resume.\n");
+
+	return ret;
+}
+
+static int __maybe_unused dwc3_imx8mp_runtime_suspend(struct device *dev)
+{
+	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+
+	dev_dbg(dev, "dwc3 imx8mp runtime suspend.\n");
+
+	return dwc3_imx8mp_suspend(dwc3_imx, PMSG_AUTO_SUSPEND);
+}
+
+static int __maybe_unused dwc3_imx8mp_runtime_resume(struct device *dev)
+{
+	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+
+	dev_dbg(dev, "dwc3 imx8mp runtime resume.\n");
+
+	return dwc3_imx8mp_resume(dwc3_imx, PMSG_AUTO_RESUME);
+}
+
+static const struct dev_pm_ops dwc3_imx8mp_dev_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(dwc3_imx8mp_pm_suspend, dwc3_imx8mp_pm_resume)
+	SET_RUNTIME_PM_OPS(dwc3_imx8mp_runtime_suspend,
+			   dwc3_imx8mp_runtime_resume, NULL)
+};
+
+static const struct of_device_id dwc3_imx8mp_of_match[] = {
+	{ .compatible = "fsl,imx8mp-dwc3", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, dwc3_imx8mp_of_match);
+
+static struct platform_driver dwc3_imx8mp_driver = {
+	.probe		= dwc3_imx8mp_probe,
+	.remove		= dwc3_imx8mp_remove,
+	.driver		= {
+		.name	= "imx8mp-dwc3",
+		.pm	= &dwc3_imx8mp_dev_pm_ops,
+		.of_match_table	= dwc3_imx8mp_of_match,
+	},
+};
+
+module_platform_driver(dwc3_imx8mp_driver);
+
+MODULE_ALIAS("platform:imx8mp-dwc3");
+MODULE_AUTHOR("jun.li@nxp.com");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("DesignWare USB3 imx8mp Glue Layer");
diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c
index 9a99253..057056c 100644
--- a/drivers/usb/dwc3/dwc3-keystone.c
+++ b/drivers/usb/dwc3/dwc3-keystone.c
@@ -99,13 +99,8 @@
 
 	/* PSC dependency on AM65 needs SERDES0 to be powered before USB0 */
 	kdwc->usb3_phy = devm_phy_optional_get(dev, "usb3-phy");
-	if (IS_ERR(kdwc->usb3_phy)) {
-		error = PTR_ERR(kdwc->usb3_phy);
-		if (error != -EPROBE_DEFER)
-			dev_err(dev, "couldn't get usb3 phy: %d\n", error);
-
-		return error;
-	}
+	if (IS_ERR(kdwc->usb3_phy))
+		return dev_err_probe(dev, PTR_ERR(kdwc->usb3_phy), "couldn't get usb3 phy\n");
 
 	phy_pm_runtime_get_sync(kdwc->usb3_phy);
 
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 9f420cc..a431747 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -40,7 +40,9 @@
 #define PCI_DEVICE_ID_INTEL_TGPLP		0xa0ee
 #define PCI_DEVICE_ID_INTEL_TGPH		0x43ee
 #define PCI_DEVICE_ID_INTEL_JSP			0x4dee
+#define PCI_DEVICE_ID_INTEL_ADLP		0x51ee
 #define PCI_DEVICE_ID_INTEL_ADLS		0x7ae1
+#define PCI_DEVICE_ID_INTEL_TGL			0x9a15
 
 #define PCI_INTEL_BXT_DSM_GUID		"732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511"
 #define PCI_INTEL_BXT_FUNC_PMU_PWR	4
@@ -145,6 +147,18 @@
 	{}
 };
 
+static const struct software_node dwc3_pci_intel_swnode = {
+	.properties = dwc3_pci_intel_properties,
+};
+
+static const struct software_node dwc3_pci_intel_mrfld_swnode = {
+	.properties = dwc3_pci_mrfld_properties,
+};
+
+static const struct software_node dwc3_pci_amd_swnode = {
+	.properties = dwc3_pci_amd_properties,
+};
+
 static int dwc3_pci_quirks(struct dwc3_pci *dwc)
 {
 	struct pci_dev			*pdev = dwc->pci;
@@ -227,7 +241,6 @@
 
 static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
 {
-	struct property_entry *p = (struct property_entry *)id->driver_data;
 	struct dwc3_pci		*dwc;
 	struct resource		res[2];
 	int			ret;
@@ -270,7 +283,7 @@
 	dwc->dwc3->dev.parent = dev;
 	ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev));
 
-	ret = platform_device_add_properties(dwc->dwc3, p);
+	ret = device_add_software_node(&dwc->dwc3->dev, (void *)id->driver_data);
 	if (ret < 0)
 		goto err;
 
@@ -293,6 +306,7 @@
 
 	return 0;
 err:
+	device_remove_software_node(&dwc->dwc3->dev);
 	platform_device_put(dwc->dwc3);
 	return ret;
 }
@@ -309,75 +323,82 @@
 #endif
 	device_init_wakeup(&pci->dev, false);
 	pm_runtime_get(&pci->dev);
+	device_remove_software_node(&dwc->dwc3->dev);
 	platform_device_unregister(dwc->dwc3);
 }
 
 static const struct pci_device_id dwc3_pci_id_table[] = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD),
-	  (kernel_ulong_t) &dwc3_pci_mrfld_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_JSP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
+
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLP),
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
+
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGL),
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB),
-	  (kernel_ulong_t) &dwc3_pci_amd_properties, },
+	  (kernel_ulong_t) &dwc3_pci_amd_swnode, },
 	{  }	/* Terminating Entry */
 };
 MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index db3559a..4ecb2dec 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -366,7 +366,7 @@
 	}
 }
 
-static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)
+static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup)
 {
 	u32 val;
 	int i, ret;
@@ -385,7 +385,7 @@
 	if (ret)
 		dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret);
 
-	if (device_may_wakeup(qcom->dev))
+	if (wakeup)
 		dwc3_qcom_enable_interrupts(qcom);
 
 	qcom->is_suspended = true;
@@ -393,7 +393,7 @@
 	return 0;
 }
 
-static int dwc3_qcom_resume(struct dwc3_qcom *qcom)
+static int dwc3_qcom_resume(struct dwc3_qcom *qcom, bool wakeup)
 {
 	int ret;
 	int i;
@@ -401,7 +401,7 @@
 	if (!qcom->is_suspended)
 		return 0;
 
-	if (device_may_wakeup(qcom->dev))
+	if (wakeup)
 		dwc3_qcom_disable_interrupts(qcom);
 
 	for (i = 0; i < qcom->num_clocks; i++) {
@@ -932,9 +932,11 @@
 static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
+	bool wakeup = device_may_wakeup(dev);
 	int ret = 0;
 
-	ret = dwc3_qcom_suspend(qcom);
+
+	ret = dwc3_qcom_suspend(qcom, wakeup);
 	if (!ret)
 		qcom->pm_suspended = true;
 
@@ -944,9 +946,10 @@
 static int __maybe_unused dwc3_qcom_pm_resume(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
+	bool wakeup = device_may_wakeup(dev);
 	int ret;
 
-	ret = dwc3_qcom_resume(qcom);
+	ret = dwc3_qcom_resume(qcom, wakeup);
 	if (!ret)
 		qcom->pm_suspended = false;
 
@@ -957,14 +960,14 @@
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
-	return dwc3_qcom_suspend(qcom);
+	return dwc3_qcom_suspend(qcom, true);
 }
 
 static int __maybe_unused dwc3_qcom_runtime_resume(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
-	return dwc3_qcom_resume(qcom);
+	return dwc3_qcom_resume(qcom, true);
 }
 
 static const struct dev_pm_ops dwc3_qcom_dev_pm_ops = {
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 14bdef97..ad22f6b 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -274,6 +274,7 @@
 {
 	struct dwc3_ep			*dep;
 	int				ret;
+	int                             i;
 
 	complete(&dwc->ep0_in_setup);
 
@@ -282,6 +283,22 @@
 			DWC3_TRBCTL_CONTROL_SETUP, false);
 	ret = dwc3_ep0_start_trans(dep);
 	WARN_ON(ret < 0);
+	for (i = 2; i < DWC3_ENDPOINTS_NUM; i++) {
+		struct dwc3_ep *dwc3_ep;
+
+		dwc3_ep = dwc->eps[i];
+		if (!dwc3_ep)
+			continue;
+
+		if (!(dwc3_ep->flags & DWC3_EP_DELAY_STOP))
+			continue;
+
+		dwc3_ep->flags &= ~DWC3_EP_DELAY_STOP;
+		if (dwc->connected)
+			dwc3_stop_active_transfer(dwc3_ep, true, true);
+		else
+			dwc3_remove_requests(dwc, dwc3_ep, -ESHUTDOWN);
+	}
 }
 
 static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le)
@@ -600,11 +617,13 @@
 
 static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
 {
-	int ret;
+	int ret = -EINVAL;
 
-	spin_unlock(&dwc->lock);
-	ret = dwc->gadget_driver->setup(dwc->gadget, ctrl);
-	spin_lock(&dwc->lock);
+	if (dwc->async_callbacks) {
+		spin_unlock(&dwc->lock);
+		ret = dwc->gadget_driver->setup(dwc->gadget, ctrl);
+		spin_lock(&dwc->lock);
+	}
 	return ret;
 }
 
@@ -622,6 +641,8 @@
 		return -EINVAL;
 
 	case USB_STATE_ADDRESS:
+		dwc3_gadget_clear_tx_fifos(dwc);
+
 		ret = dwc3_ep0_delegate_req(dwc, ctrl);
 		/* if the cfg matches and the cfg is non zero */
 		if (cfg && (!ret || (ret == USB_GADGET_DELAYED_STATUS))) {
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 565397c..9b3a8ee 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -418,6 +418,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(dwc3_send_gadget_ep_cmd);
 
 static int dwc3_send_clear_stall_ep_cmd(struct dwc3_ep *dep)
 {
@@ -641,8 +642,192 @@
 	return dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETEPCONFIG, &params);
 }
 
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
-		bool interrupt);
+/**
+ * dwc3_gadget_calc_tx_fifo_size - calculates the txfifo size value
+ * @dwc: pointer to the DWC3 context
+ * @nfifos: number of fifos to calculate for
+ *
+ * Calculates the size value based on the equation below:
+ *
+ * DWC3 revision 280A and prior:
+ * fifo_size = mult * (max_packet / mdwidth) + 1;
+ *
+ * DWC3 revision 290A and onwards:
+ * fifo_size = mult * ((max_packet + mdwidth)/mdwidth + 1) + 1
+ *
+ * The max packet size is set to 1024, as the txfifo requirements mainly apply
+ * to super speed USB use cases.  However, it is safe to overestimate the fifo
+ * allocations for other scenarios, i.e. high speed USB.
+ */
+static int dwc3_gadget_calc_tx_fifo_size(struct dwc3 *dwc, int mult)
+{
+	int max_packet = 1024;
+	int fifo_size;
+	int mdwidth;
+
+	mdwidth = dwc3_mdwidth(dwc);
+
+	/* MDWIDTH is represented in bits, we need it in bytes */
+	mdwidth >>= 3;
+
+	if (DWC3_VER_IS_PRIOR(DWC3, 290A))
+		fifo_size = mult * (max_packet / mdwidth) + 1;
+	else
+		fifo_size = mult * ((max_packet + mdwidth) / mdwidth) + 1;
+	return fifo_size;
+}
+
+/**
+ * dwc3_gadget_clear_tx_fifo_size - Clears txfifo allocation
+ * @dwc: pointer to the DWC3 context
+ *
+ * Iterates through all the endpoint registers and clears the previous txfifo
+ * allocations.
+ */
+void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc)
+{
+	struct dwc3_ep *dep;
+	int fifo_depth;
+	int size;
+	int num;
+
+	if (!dwc->do_fifo_resize)
+		return;
+
+	/* Read ep0IN related TXFIFO size */
+	dep = dwc->eps[1];
+	size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0));
+	if (DWC3_IP_IS(DWC3))
+		fifo_depth = DWC3_GTXFIFOSIZ_TXFDEP(size);
+	else
+		fifo_depth = DWC31_GTXFIFOSIZ_TXFDEP(size);
+
+	dwc->last_fifo_depth = fifo_depth;
+	/* Clear existing TXFIFO for all IN eps except ep0 */
+	for (num = 3; num < min_t(int, dwc->num_eps, DWC3_ENDPOINTS_NUM);
+	     num += 2) {
+		dep = dwc->eps[num];
+		/* Don't change TXFRAMNUM on usb31 version */
+		size = DWC3_IP_IS(DWC3) ? 0 :
+			dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1)) &
+				   DWC31_GTXFIFOSIZ_TXFRAMNUM;
+
+		dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1), size);
+		dep->flags &= ~DWC3_EP_TXFIFO_RESIZED;
+	}
+	dwc->num_ep_resized = 0;
+}
+
+/*
+ * dwc3_gadget_resize_tx_fifos - reallocate fifo spaces for current use-case
+ * @dwc: pointer to our context structure
+ *
+ * This function will a best effort FIFO allocation in order
+ * to improve FIFO usage and throughput, while still allowing
+ * us to enable as many endpoints as possible.
+ *
+ * Keep in mind that this operation will be highly dependent
+ * on the configured size for RAM1 - which contains TxFifo -,
+ * the amount of endpoints enabled on coreConsultant tool, and
+ * the width of the Master Bus.
+ *
+ * In general, FIFO depths are represented with the following equation:
+ *
+ * fifo_size = mult * ((max_packet + mdwidth)/mdwidth + 1) + 1
+ *
+ * In conjunction with dwc3_gadget_check_config(), this resizing logic will
+ * ensure that all endpoints will have enough internal memory for one max
+ * packet per endpoint.
+ */
+static int dwc3_gadget_resize_tx_fifos(struct dwc3_ep *dep)
+{
+	struct dwc3 *dwc = dep->dwc;
+	int fifo_0_start;
+	int ram1_depth;
+	int fifo_size;
+	int min_depth;
+	int num_in_ep;
+	int remaining;
+	int num_fifos = 1;
+	int fifo;
+	int tmp;
+
+	if (!dwc->do_fifo_resize)
+		return 0;
+
+	/* resize IN endpoints except ep0 */
+	if (!usb_endpoint_dir_in(dep->endpoint.desc) || dep->number <= 1)
+		return 0;
+
+	/* bail if already resized */
+	if (dep->flags & DWC3_EP_TXFIFO_RESIZED)
+		return 0;
+
+	ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7);
+
+	if ((dep->endpoint.maxburst > 1 &&
+	     usb_endpoint_xfer_bulk(dep->endpoint.desc)) ||
+	    usb_endpoint_xfer_isoc(dep->endpoint.desc))
+		num_fifos = 3;
+
+	if (dep->endpoint.maxburst > 6 &&
+	    usb_endpoint_xfer_bulk(dep->endpoint.desc) && DWC3_IP_IS(DWC31))
+		num_fifos = dwc->tx_fifo_resize_max_num;
+
+	/* FIFO size for a single buffer */
+	fifo = dwc3_gadget_calc_tx_fifo_size(dwc, 1);
+
+	/* Calculate the number of remaining EPs w/o any FIFO */
+	num_in_ep = dwc->max_cfg_eps;
+	num_in_ep -= dwc->num_ep_resized;
+
+	/* Reserve at least one FIFO for the number of IN EPs */
+	min_depth = num_in_ep * (fifo + 1);
+	remaining = ram1_depth - min_depth - dwc->last_fifo_depth;
+	remaining = max_t(int, 0, remaining);
+	/*
+	 * We've already reserved 1 FIFO per EP, so check what we can fit in
+	 * addition to it.  If there is not enough remaining space, allocate
+	 * all the remaining space to the EP.
+	 */
+	fifo_size = (num_fifos - 1) * fifo;
+	if (remaining < fifo_size)
+		fifo_size = remaining;
+
+	fifo_size += fifo;
+	/* Last increment according to the TX FIFO size equation */
+	fifo_size++;
+
+	/* Check if TXFIFOs start at non-zero addr */
+	tmp = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0));
+	fifo_0_start = DWC3_GTXFIFOSIZ_TXFSTADDR(tmp);
+
+	fifo_size |= (fifo_0_start + (dwc->last_fifo_depth << 16));
+	if (DWC3_IP_IS(DWC3))
+		dwc->last_fifo_depth += DWC3_GTXFIFOSIZ_TXFDEP(fifo_size);
+	else
+		dwc->last_fifo_depth += DWC31_GTXFIFOSIZ_TXFDEP(fifo_size);
+
+	/* Check fifo size allocation doesn't exceed available RAM size. */
+	if (dwc->last_fifo_depth >= ram1_depth) {
+		dev_err(dwc->dev, "Fifosize(%d) > RAM size(%d) %s depth:%d\n",
+			dwc->last_fifo_depth, ram1_depth,
+			dep->endpoint.name, fifo_size);
+		if (DWC3_IP_IS(DWC3))
+			fifo_size = DWC3_GTXFIFOSIZ_TXFDEP(fifo_size);
+		else
+			fifo_size = DWC31_GTXFIFOSIZ_TXFDEP(fifo_size);
+
+		dwc->last_fifo_depth -= fifo_size;
+		return -ENOMEM;
+	}
+
+	dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(dep->number >> 1), fifo_size);
+	dep->flags |= DWC3_EP_TXFIFO_RESIZED;
+	dwc->num_ep_resized++;
+
+	return 0;
+}
 
 /**
  * __dwc3_gadget_ep_enable - initializes a hw endpoint
@@ -661,6 +846,10 @@
 	int			ret;
 
 	if (!(dep->flags & DWC3_EP_ENABLED)) {
+		ret = dwc3_gadget_resize_tx_fifos(dep);
+		if (ret)
+			return ret;
+
 		ret = dwc3_gadget_start_config(dep);
 		if (ret)
 			return ret;
@@ -743,8 +932,16 @@
 			 * All stream eps will reinitiate stream on NoStream
 			 * rejection until we can determine that the host can
 			 * prime after the first transfer.
+			 *
+			 * However, if the controller is capable of
+			 * TXF_FLUSH_BYPASS, then IN direction endpoints will
+			 * automatically restart the stream without the driver
+			 * initiation.
 			 */
-			dep->flags |= DWC3_EP_FORCE_RESTART_STREAM;
+			if (!dep->direction ||
+			    !(dwc->hwparams.hwparams9 &
+			      DWC3_GHWPARAMS9_DEV_TXF_FLUSH_BYPASS))
+				dep->flags |= DWC3_EP_FORCE_RESTART_STREAM;
 		}
 	}
 
@@ -754,12 +951,16 @@
 	return 0;
 }
 
-static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status)
+void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status)
 {
 	struct dwc3_request		*req;
 
 	dwc3_stop_active_transfer(dep, true, false);
 
+	/* If endxfer is delayed, avoid unmapping requests */
+	if (dep->flags & DWC3_EP_DELAY_STOP)
+		return;
+
 	/* - giveback all requests to gadget driver */
 	while (!list_empty(&dep->started_list)) {
 		req = next_request(&dep->started_list);
@@ -794,6 +995,7 @@
 {
 	struct dwc3		*dwc = dep->dwc;
 	u32			reg;
+	u32			mask;
 
 	trace_dwc3_gadget_ep_disable(dep);
 
@@ -809,7 +1011,15 @@
 
 	dep->stream_capable = false;
 	dep->type = 0;
-	dep->flags = 0;
+	mask = DWC3_EP_TXFIFO_RESIZED;
+	/*
+	 * dwc3_remove_requests() can exit early if DWC3 EP delayed stop is
+	 * set.  Do not clear DEP flags, so that the end transfer command will
+	 * be reattempted during the next SETUP stage.
+	 */
+	if (dep->flags & DWC3_EP_DELAY_STOP)
+		mask |= (DWC3_EP_DELAY_STOP | DWC3_EP_TRANSFER_STARTED);
+	dep->flags &= mask;
 
 	/* Clear out the ep descriptors for non-ep0 */
 	if (dep->number > 1) {
@@ -1418,7 +1628,7 @@
 		dwc3_stop_active_transfer(dep, true, true);
 
 		list_for_each_entry_safe(req, tmp, &dep->started_list, list)
-			dwc3_gadget_move_cancelled_request(req);
+			dwc3_gadget_move_cancelled_request(req, DWC3_REQUEST_STATUS_DEQUEUED);
 
 		/* If ep isn't started, then there's no end transfer pending */
 		if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
@@ -1465,6 +1675,16 @@
 	cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
 	memset(&params, 0, sizeof(params));
 	ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
+	/*
+	 * If the End Transfer command was timed out while the device is
+	 * not in SETUP phase, it's possible that an incoming Setup packet
+	 * may prevent the command's completion. Let's retry when the
+	 * ep0state returns to EP0_SETUP_PHASE.
+	 */
+	if (ret == -ETIMEDOUT && dep->dwc->ep0state != EP0_SETUP_PHASE) {
+		dep->flags |= DWC3_EP_DELAY_STOP;
+		return 0;
+	}
 	WARN_ON_ONCE(ret);
 	dep->resource_index = 0;
 
@@ -1476,6 +1696,7 @@
 		dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
 	}
 
+	dep->flags &= ~DWC3_EP_DELAY_STOP;
 	return ret;
 }
 
@@ -1692,6 +1913,7 @@
 	 */
 	if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING) ||
 	    (dep->flags & DWC3_EP_WEDGE) ||
+	    (dep->flags & DWC3_EP_DELAY_STOP) ||
 	    (dep->flags & DWC3_EP_STALL)) {
 		dep->flags |= DWC3_EP_DELAY_START;
 		return 0;
@@ -1771,11 +1993,32 @@
 static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep)
 {
 	struct dwc3_request		*req;
-	struct dwc3_request		*tmp;
+	struct dwc3			*dwc = dep->dwc;
 
-	list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) {
+	while (!list_empty(&dep->cancelled_list)) {
+		req = next_request(&dep->cancelled_list);
 		dwc3_gadget_ep_skip_trbs(dep, req);
-		dwc3_gadget_giveback(dep, req, -ECONNRESET);
+		switch (req->status) {
+		case DWC3_REQUEST_STATUS_DISCONNECTED:
+			dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
+			break;
+		case DWC3_REQUEST_STATUS_DEQUEUED:
+			dwc3_gadget_giveback(dep, req, -ECONNRESET);
+			break;
+		case DWC3_REQUEST_STATUS_STALLED:
+			dwc3_gadget_giveback(dep, req, -EPIPE);
+			break;
+		default:
+			dev_err(dwc->dev, "request cancelled with wrong reason:%d\n", req->status);
+			dwc3_gadget_giveback(dep, req, -ECONNRESET);
+			break;
+		}
+		/*
+		 * The endpoint is disabled, let the dwc3_remove_requests()
+		 * handle the cleanup.
+		 */
+		if (!dep->endpoint.desc)
+			break;
 	}
 }
 
@@ -1819,7 +2062,8 @@
 			 * cancelled.
 			 */
 			list_for_each_entry_safe(r, t, &dep->started_list, list)
-				dwc3_gadget_move_cancelled_request(r);
+				dwc3_gadget_move_cancelled_request(r,
+						DWC3_REQUEST_STATUS_DEQUEUED);
 
 			dep->flags &= ~DWC3_EP_WAIT_TRANSFER_COMPLETE;
 
@@ -1840,8 +2084,6 @@
 {
 	struct dwc3_gadget_ep_cmd_params	params;
 	struct dwc3				*dwc = dep->dwc;
-	struct dwc3_request			*req;
-	struct dwc3_request			*tmp;
 	int					ret;
 
 	if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
@@ -1890,16 +2132,15 @@
 
 		dwc3_stop_active_transfer(dep, true, true);
 
-		list_for_each_entry_safe(req, tmp, &dep->started_list, list)
-			dwc3_gadget_move_cancelled_request(req);
+		if (!list_empty(&dep->started_list))
+			dep->flags |= DWC3_EP_DELAY_START;
 
-		if (dep->flags & DWC3_EP_END_TRANSFER_PENDING) {
+		if (dep->flags & DWC3_EP_END_TRANSFER_PENDING ||
+		    (dep->flags & DWC3_EP_DELAY_STOP)) {
 			dep->flags |= DWC3_EP_PENDING_CLEAR_STALL;
 			return 0;
 		}
 
-		dwc3_gadget_ep_cleanup_cancelled_requests(dep);
-
 		ret = dwc3_send_clear_stall_ep_cmd(dep);
 		if (ret) {
 			dev_err(dwc->dev, "failed to clear STALL on %s\n",
@@ -2098,6 +2339,102 @@
 	}
 }
 
+static void __dwc3_gadget_set_ssp_rate(struct dwc3 *dwc)
+{
+	enum usb_ssp_rate	ssp_rate = dwc->gadget_ssp_rate;
+	u32			reg;
+
+	if (ssp_rate == USB_SSP_GEN_UNKNOWN)
+		ssp_rate = dwc->max_ssp_rate;
+
+	reg = dwc3_readl(dwc->regs, DWC3_DCFG);
+	reg &= ~DWC3_DCFG_SPEED_MASK;
+	reg &= ~DWC3_DCFG_NUMLANES(~0);
+
+	if (ssp_rate == USB_SSP_GEN_1x2)
+		reg |= DWC3_DCFG_SUPERSPEED;
+	else if (dwc->max_ssp_rate != USB_SSP_GEN_1x2)
+		reg |= DWC3_DCFG_SUPERSPEED_PLUS;
+
+	if (ssp_rate != USB_SSP_GEN_2x1 &&
+	    dwc->max_ssp_rate != USB_SSP_GEN_2x1)
+		reg |= DWC3_DCFG_NUMLANES(1);
+
+	dwc3_writel(dwc->regs, DWC3_DCFG, reg);
+}
+
+static void __dwc3_gadget_set_speed(struct dwc3 *dwc)
+{
+	enum usb_device_speed	speed;
+	u32			reg;
+
+	speed = dwc->gadget_max_speed;
+	if (speed == USB_SPEED_UNKNOWN || speed > dwc->maximum_speed)
+		speed = dwc->maximum_speed;
+
+	if (speed == USB_SPEED_SUPER_PLUS &&
+	    DWC3_IP_IS(DWC32)) {
+		__dwc3_gadget_set_ssp_rate(dwc);
+		return;
+	}
+
+	reg = dwc3_readl(dwc->regs, DWC3_DCFG);
+	reg &= ~(DWC3_DCFG_SPEED_MASK);
+
+	/*
+	 * WORKAROUND: DWC3 revision < 2.20a have an issue
+	 * which would cause metastability state on Run/Stop
+	 * bit if we try to force the IP to USB2-only mode.
+	 *
+	 * Because of that, we cannot configure the IP to any
+	 * speed other than the SuperSpeed
+	 *
+	 * Refers to:
+	 *
+	 * STAR#9000525659: Clock Domain Crossing on DCTL in
+	 * USB 2.0 Mode
+	 */
+	if (DWC3_VER_IS_PRIOR(DWC3, 220A) &&
+	    !dwc->dis_metastability_quirk) {
+		reg |= DWC3_DCFG_SUPERSPEED;
+	} else {
+		switch (speed) {
+		case USB_SPEED_LOW:
+			reg |= DWC3_DCFG_LOWSPEED;
+			break;
+		case USB_SPEED_FULL:
+			reg |= DWC3_DCFG_FULLSPEED;
+			break;
+		case USB_SPEED_HIGH:
+			reg |= DWC3_DCFG_HIGHSPEED;
+			break;
+		case USB_SPEED_SUPER:
+			reg |= DWC3_DCFG_SUPERSPEED;
+			break;
+		case USB_SPEED_SUPER_PLUS:
+			if (DWC3_IP_IS(DWC3))
+				reg |= DWC3_DCFG_SUPERSPEED;
+			else
+				reg |= DWC3_DCFG_SUPERSPEED_PLUS;
+			break;
+		default:
+			dev_err(dwc->dev, "invalid speed (%d)\n", speed);
+
+			if (DWC3_IP_IS(DWC3))
+				reg |= DWC3_DCFG_SUPERSPEED;
+			else
+				reg |= DWC3_DCFG_SUPERSPEED_PLUS;
+		}
+	}
+
+	if (DWC3_IP_IS(DWC32) &&
+	    speed > USB_SPEED_UNKNOWN &&
+	    speed < USB_SPEED_SUPER_PLUS)
+		reg &= ~DWC3_DCFG_NUMLANES(~0);
+
+	dwc3_writel(dwc->regs, DWC3_DCFG, reg);
+}
+
 static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
 {
 	u32			reg;
@@ -2120,6 +2457,7 @@
 		if (dwc->has_hibernation)
 			reg |= DWC3_DCTL_KEEP_CONNECT;
 
+		__dwc3_gadget_set_speed(dwc);
 		dwc->pullups_connected = true;
 	} else {
 		reg &= ~DWC3_DCTL_RUN_STOP;
@@ -2178,11 +2516,12 @@
 static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
 {
 	struct dwc3		*dwc = gadget_to_dwc(g);
+	struct dwc3_vendor	*vdwc = container_of(dwc, struct dwc3_vendor, dwc);
 	int			ret;
 
 	is_on = !!is_on;
+	vdwc->softconnect = is_on;
 
-	dwc->softconnect = is_on;
 	/*
 	 * Per databook, when we want to stop the gadget, if a control transfer
 	 * is still in process, complete it and get the core into setup phase.
@@ -2251,8 +2590,7 @@
 	u32			reg;
 
 	/* Enable all but Start and End of Frame IRQs */
-	reg = (DWC3_DEVTEN_VNDRDEVTSTRCVEDEN |
-			DWC3_DEVTEN_EVNTOVERFLOWEN |
+	reg = (DWC3_DEVTEN_EVNTOVERFLOWEN |
 			DWC3_DEVTEN_CMDCMPLTEN |
 			DWC3_DEVTEN_ERRTICERREN |
 			DWC3_DEVTEN_WKUPEVTEN |
@@ -2265,7 +2603,7 @@
 
 	/* On 2.30a and above this bit enables U3/L2-L1 Suspend Events */
 	if (!DWC3_VER_IS_PRIOR(DWC3, 230A))
-		reg |= DWC3_DEVTEN_EOPFEN;
+		reg |= DWC3_DEVTEN_U3L2L1SUSPEN;
 
 	dwc3_writel(dwc->regs, DWC3_DEVTEN, reg);
 }
@@ -2308,9 +2646,7 @@
 	u32 reg;
 
 	ram2_depth = DWC3_GHWPARAMS7_RAM2_DEPTH(dwc->hwparams.hwparams7);
-	mdwidth = DWC3_GHWPARAMS0_MDWIDTH(dwc->hwparams.hwparams0);
-	if (DWC3_IP_IS(DWC32))
-		mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+	mdwidth = dwc3_mdwidth(dwc);
 
 	nump = ((ram2_depth * mdwidth / 8) - 24 - 16) / 1024;
 	nump = min_t(u32, nump, 16);
@@ -2356,6 +2692,17 @@
 
 	dwc3_gadget_setup_nump(dwc);
 
+	/*
+	 * Currently the controller handles single stream only. So, Ignore
+	 * Packet Pending bit for stream selection and don't search for another
+	 * stream if the host sends Data Packet with PP=0 (for OUT direction) or
+	 * ACK with NumP=0 and PP=0 (for IN direction). This slightly improves
+	 * the stream performance.
+	 */
+	reg = dwc3_readl(dwc->regs, DWC3_DCFG);
+	reg |= DWC3_DCFG_IGNSTRMPP;
+	dwc3_writel(dwc->regs, DWC3_DCFG, reg);
+
 	/* Start with SuperSpeed Default */
 	dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
 
@@ -2443,6 +2790,7 @@
 
 	spin_lock_irqsave(&dwc->lock, flags);
 	dwc->gadget_driver	= NULL;
+	dwc->max_cfg_eps = 0;
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
 	free_irq(dwc->irq_gadget, dwc->ev_buf);
@@ -2494,59 +2842,94 @@
 {
 	struct dwc3		*dwc = gadget_to_dwc(g);
 	unsigned long		flags;
-	u32			reg;
 
 	spin_lock_irqsave(&dwc->lock, flags);
-	reg = dwc3_readl(dwc->regs, DWC3_DCFG);
-	reg &= ~(DWC3_DCFG_SPEED_MASK);
+	dwc->gadget_max_speed = speed;
+	spin_unlock_irqrestore(&dwc->lock, flags);
+}
 
-	/*
-	 * WORKAROUND: DWC3 revision < 2.20a have an issue
-	 * which would cause metastability state on Run/Stop
-	 * bit if we try to force the IP to USB2-only mode.
-	 *
-	 * Because of that, we cannot configure the IP to any
-	 * speed other than the SuperSpeed
-	 *
-	 * Refers to:
-	 *
-	 * STAR#9000525659: Clock Domain Crossing on DCTL in
-	 * USB 2.0 Mode
-	 */
-	if (DWC3_VER_IS_PRIOR(DWC3, 220A) &&
-	    !dwc->dis_metastability_quirk) {
-		reg |= DWC3_DCFG_SUPERSPEED;
-	} else {
-		switch (speed) {
-		case USB_SPEED_LOW:
-			reg |= DWC3_DCFG_LOWSPEED;
-			break;
-		case USB_SPEED_FULL:
-			reg |= DWC3_DCFG_FULLSPEED;
-			break;
-		case USB_SPEED_HIGH:
-			reg |= DWC3_DCFG_HIGHSPEED;
-			break;
-		case USB_SPEED_SUPER:
-			reg |= DWC3_DCFG_SUPERSPEED;
-			break;
-		case USB_SPEED_SUPER_PLUS:
-			if (DWC3_IP_IS(DWC3))
-				reg |= DWC3_DCFG_SUPERSPEED;
-			else
-				reg |= DWC3_DCFG_SUPERSPEED_PLUS;
-			break;
-		default:
-			dev_err(dwc->dev, "invalid speed (%d)\n", speed);
+static void dwc3_gadget_set_ssp_rate(struct usb_gadget *g,
+				     enum usb_ssp_rate rate)
+{
+	struct dwc3		*dwc = gadget_to_dwc(g);
+	unsigned long		flags;
 
-			if (DWC3_IP_IS(DWC3))
-				reg |= DWC3_DCFG_SUPERSPEED;
-			else
-				reg |= DWC3_DCFG_SUPERSPEED_PLUS;
-		}
+	spin_lock_irqsave(&dwc->lock, flags);
+	dwc->gadget_max_speed = USB_SPEED_SUPER_PLUS;
+	dwc->gadget_ssp_rate = rate;
+	spin_unlock_irqrestore(&dwc->lock, flags);
+}
+
+static int dwc3_gadget_vbus_draw(struct usb_gadget *g, unsigned int mA)
+{
+	struct dwc3		*dwc = gadget_to_dwc(g);
+	union power_supply_propval	val = {0};
+	int				ret;
+
+	if (dwc->usb2_phy)
+		return usb_phy_set_power(dwc->usb2_phy, mA);
+
+	if (!dwc->usb_psy)
+		return -EOPNOTSUPP;
+
+	val.intval = 1000 * mA;
+	ret = power_supply_set_property(dwc->usb_psy, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val);
+
+	return ret;
+}
+
+/**
+ * dwc3_gadget_check_config - ensure dwc3 can support the USB configuration
+ * @g: pointer to the USB gadget
+ *
+ * Used to record the maximum number of endpoints being used in a USB composite
+ * device. (across all configurations)  This is to be used in the calculation
+ * of the TXFIFO sizes when resizing internal memory for individual endpoints.
+ * It will help ensured that the resizing logic reserves enough space for at
+ * least one max packet.
+ */
+static int dwc3_gadget_check_config(struct usb_gadget *g)
+{
+	struct dwc3 *dwc = gadget_to_dwc(g);
+	struct usb_ep *ep;
+	int fifo_size = 0;
+	int ram1_depth;
+	int ep_num = 0;
+
+	if (!dwc->do_fifo_resize)
+		return 0;
+
+	list_for_each_entry(ep, &g->ep_list, ep_list) {
+		/* Only interested in the IN endpoints */
+		if (ep->claimed && (ep->address & USB_DIR_IN))
+			ep_num++;
 	}
-	dwc3_writel(dwc->regs, DWC3_DCFG, reg);
 
+	if (ep_num <= dwc->max_cfg_eps)
+		return 0;
+
+	/* Update the max number of eps in the composition */
+	dwc->max_cfg_eps = ep_num;
+
+	fifo_size = dwc3_gadget_calc_tx_fifo_size(dwc, dwc->max_cfg_eps);
+	/* Based on the equation, increment by one for every ep */
+	fifo_size += dwc->max_cfg_eps;
+
+	/* Check if we can fit a single fifo per endpoint */
+	ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7);
+	if (fifo_size > ram1_depth)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void dwc3_gadget_async_callbacks(struct usb_gadget *g, bool enable)
+{
+	struct dwc3		*dwc = gadget_to_dwc(g);
+	unsigned long		flags;
+
+	spin_lock_irqsave(&dwc->lock, flags);
+	dwc->async_callbacks = enable;
 	spin_unlock_irqrestore(&dwc->lock, flags);
 }
 
@@ -2558,7 +2941,11 @@
 	.udc_start		= dwc3_gadget_start,
 	.udc_stop		= dwc3_gadget_stop,
 	.udc_set_speed		= dwc3_gadget_set_speed,
+	.udc_set_ssp_rate	= dwc3_gadget_set_ssp_rate,
 	.get_config_params	= dwc3_gadget_config_params,
+	.vbus_draw		= dwc3_gadget_vbus_draw,
+	.check_config		= dwc3_gadget_check_config,
+	.udc_async_callbacks	= dwc3_gadget_async_callbacks,
 };
 
 /* -------------------------------------------------------------------------- */
@@ -2581,12 +2968,10 @@
 static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
 {
 	struct dwc3 *dwc = dep->dwc;
-	int mdwidth;
+	u32 mdwidth;
 	int size;
 
-	mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
-	if (DWC3_IP_IS(DWC32))
-		mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+	mdwidth = dwc3_mdwidth(dwc);
 
 	/* MDWIDTH is represented in bits, we need it in bytes */
 	mdwidth /= 8;
@@ -2628,12 +3013,10 @@
 static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep)
 {
 	struct dwc3 *dwc = dep->dwc;
-	int mdwidth;
+	u32 mdwidth;
 	int size;
 
-	mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
-	if (DWC3_IP_IS(DWC32))
-		mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+	mdwidth = dwc3_mdwidth(dwc);
 
 	/* MDWIDTH is represented in bits, convert to bytes */
 	mdwidth /= 8;
@@ -2944,21 +3327,32 @@
 		const struct dwc3_event_depevt *event, int status)
 {
 	struct dwc3_request	*req;
-	struct dwc3_request	*tmp;
 
-	list_for_each_entry_safe(req, tmp, &dep->started_list, list) {
+	while (!list_empty(&dep->started_list)) {
 		int ret;
 
+		req = next_request(&dep->started_list);
 		ret = dwc3_gadget_ep_cleanup_completed_request(dep, event,
 				req, status);
 		if (ret)
 			break;
+		/*
+		 * The endpoint is disabled, let the dwc3_remove_requests()
+		 * handle the cleanup.
+		 */
+		if (!dep->endpoint.desc)
+			break;
 	}
 }
 
 static bool dwc3_gadget_ep_should_continue(struct dwc3_ep *dep)
 {
 	struct dwc3_request	*req;
+	struct dwc3		*dwc = dep->dwc;
+
+	if (!dep->endpoint.desc || !dwc->pullups_connected ||
+	    !dwc->connected)
+		return false;
 
 	if (!list_empty(&dep->pending_list))
 		return true;
@@ -3238,7 +3632,7 @@
 
 static void dwc3_disconnect_gadget(struct dwc3 *dwc)
 {
-	if (dwc->gadget_driver && dwc->gadget_driver->disconnect) {
+	if (dwc->async_callbacks && dwc->gadget_driver->disconnect) {
 		spin_unlock(&dwc->lock);
 		dwc->gadget_driver->disconnect(dwc->gadget);
 		spin_lock(&dwc->lock);
@@ -3247,7 +3641,7 @@
 
 static void dwc3_suspend_gadget(struct dwc3 *dwc)
 {
-	if (dwc->gadget_driver && dwc->gadget_driver->suspend) {
+	if (dwc->async_callbacks && dwc->gadget_driver->suspend) {
 		spin_unlock(&dwc->lock);
 		dwc->gadget_driver->suspend(dwc->gadget);
 		spin_lock(&dwc->lock);
@@ -3256,7 +3650,7 @@
 
 static void dwc3_resume_gadget(struct dwc3 *dwc)
 {
-	if (dwc->gadget_driver && dwc->gadget_driver->resume) {
+	if (dwc->async_callbacks && dwc->gadget_driver->resume) {
 		spin_unlock(&dwc->lock);
 		dwc->gadget_driver->resume(dwc->gadget);
 		spin_lock(&dwc->lock);
@@ -3268,21 +3662,47 @@
 	if (!dwc->gadget_driver)
 		return;
 
-	if (dwc->gadget->speed != USB_SPEED_UNKNOWN) {
+	if (dwc->async_callbacks && dwc->gadget->speed != USB_SPEED_UNKNOWN) {
 		spin_unlock(&dwc->lock);
 		usb_gadget_udc_reset(dwc->gadget, dwc->gadget_driver);
 		spin_lock(&dwc->lock);
 	}
 }
 
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
 	bool interrupt)
 {
+	struct dwc3 *dwc = dep->dwc;
+
+	/*
+	 * Only issue End Transfer command to the control endpoint of a started
+	 * Data Phase. Typically we should only do so in error cases such as
+	 * invalid/unexpected direction as described in the control transfer
+	 * flow of the programming guide.
+	 */
+	if (dep->number <= 1 && dwc->ep0state != EP0_DATA_PHASE)
+		return;
+
+	if (interrupt && (dep->flags & DWC3_EP_DELAY_STOP))
+		return;
+
 	if (!(dep->flags & DWC3_EP_TRANSFER_STARTED) ||
 	    (dep->flags & DWC3_EP_END_TRANSFER_PENDING))
 		return;
 
 	/*
+	 * If a Setup packet is received but yet to DMA out, the controller will
+	 * not process the End Transfer command of any endpoint. Polling of its
+	 * DEPCMD.CmdAct may block setting up TRB for Setup packet, causing a
+	 * timeout. Delay issuing the End Transfer command until the Setup TRB is
+	 * prepared.
+	 */
+	if (dwc->ep0state != EP0_SETUP_PHASE && !dwc->delayed_status) {
+		dep->flags |= DWC3_EP_DELAY_STOP;
+		return;
+	}
+
+	/*
 	 * NOTICE: We are violating what the Databook says about the
 	 * EndTransfer command. Ideally we would _always_ wait for the
 	 * EndTransfer Command Completion IRQ, but that's causing too
@@ -3315,6 +3735,7 @@
 
 	__dwc3_stop_active_transfer(dep, force, interrupt);
 }
+EXPORT_SYMBOL_GPL(dwc3_stop_active_transfer);
 
 static void dwc3_clear_stall_all_ep(struct dwc3 *dwc)
 {
@@ -3429,12 +3850,18 @@
 	struct dwc3_ep		*dep;
 	int			ret;
 	u32			reg;
+	u8			lanes = 1;
 	u8			speed;
 
 	reg = dwc3_readl(dwc->regs, DWC3_DSTS);
 	speed = reg & DWC3_DSTS_CONNECTSPD;
 	dwc->speed = speed;
 
+	if (DWC3_IP_IS(DWC32))
+		lanes = DWC3_DSTS_CONNLANES(reg) + 1;
+
+	dwc->gadget->ssp_rate = USB_SSP_GEN_UNKNOWN;
+
 	/*
 	 * RAMClkSel is reset to 0 after USB reset, so it must be reprogrammed
 	 * each time on Connect Done.
@@ -3449,6 +3876,11 @@
 		dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
 		dwc->gadget->ep0->maxpacket = 512;
 		dwc->gadget->speed = USB_SPEED_SUPER_PLUS;
+
+		if (lanes > 1)
+			dwc->gadget->ssp_rate = USB_SSP_GEN_2x2;
+		else
+			dwc->gadget->ssp_rate = USB_SSP_GEN_2x1;
 		break;
 	case DWC3_DSTS_SUPERSPEED:
 		/*
@@ -3470,6 +3902,11 @@
 		dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
 		dwc->gadget->ep0->maxpacket = 512;
 		dwc->gadget->speed = USB_SPEED_SUPER;
+
+		if (lanes > 1) {
+			dwc->gadget->speed = USB_SPEED_SUPER_PLUS;
+			dwc->gadget->ssp_rate = USB_SSP_GEN_1x2;
+		}
 		break;
 	case DWC3_DSTS_HIGHSPEED:
 		dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(64);
@@ -3561,7 +3998,7 @@
 	 * implemented.
 	 */
 
-	if (dwc->gadget_driver && dwc->gadget_driver->resume) {
+	if (dwc->async_callbacks && dwc->gadget_driver->resume) {
 		spin_unlock(&dwc->lock);
 		dwc->gadget_driver->resume(dwc->gadget);
 		spin_lock(&dwc->lock);
@@ -3727,7 +4164,7 @@
 	case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
 		dwc3_gadget_linksts_change_interrupt(dwc, event->event_info);
 		break;
-	case DWC3_DEVICE_EVENT_EOPF:
+	case DWC3_DEVICE_EVENT_SUSPEND:
 		/* It changed to be suspend event for version 2.30a and above */
 		if (!DWC3_VER_IS_PRIOR(DWC3, 230A))
 			dwc3_gadget_suspend_interrupt(dwc, event->event_info);
@@ -3973,6 +4410,7 @@
 	dev->platform_data		= dwc;
 	dwc->gadget->ops		= &dwc3_gadget_ops;
 	dwc->gadget->speed		= USB_SPEED_UNKNOWN;
+	dwc->gadget->ssp_rate		= USB_SSP_GEN_UNKNOWN;
 	dwc->gadget->sg_supported	= true;
 	dwc->gadget->name		= "dwc3-gadget";
 	dwc->gadget->lpm_capable	= !dwc->usb2_gadget_lpm_disable;
@@ -3999,6 +4437,7 @@
 				dwc->revision);
 
 	dwc->gadget->max_speed		= dwc->maximum_speed;
+	dwc->gadget->max_ssp_rate	= dwc->max_ssp_rate;
 
 	/*
 	 * REVISIT: Here we should clear all pending IRQs to be
@@ -4015,7 +4454,10 @@
 		goto err5;
 	}
 
-	dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed);
+	if (DWC3_IP_IS(DWC32) && dwc->maximum_speed == USB_SPEED_SUPER_PLUS)
+		dwc3_gadget_set_ssp_rate(dwc->gadget, dwc->max_ssp_rate);
+	else
+		dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed);
 
 	return 0;
 
@@ -4070,9 +4512,10 @@
 
 int dwc3_gadget_resume(struct dwc3 *dwc)
 {
+	struct dwc3_vendor	*vdwc = container_of(dwc, struct dwc3_vendor, dwc);
 	int			ret;
 
-	if (!dwc->gadget_driver || !dwc->softconnect)
+	if (!dwc->gadget_driver || !vdwc->softconnect)
 		return 0;
 
 	ret = __dwc3_gadget_start(dwc);
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index 0cd2819..f763380 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -90,15 +90,17 @@
 /**
  * dwc3_gadget_move_cancelled_request - move @req to the cancelled_list
  * @req: the request to be moved
+ * @reason: cancelled reason for the dwc3 request
  *
  * Caller should take care of locking. This function will move @req from its
  * current list to the endpoint's cancelled_list.
  */
-static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req)
+static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req,
+		unsigned int reason)
 {
 	struct dwc3_ep		*dep = req->dep;
 
-	req->status = DWC3_REQUEST_STATUS_CANCELLED;
+	req->status = reason;
 	list_move_tail(&req->list, &dep->cancelled_list);
 }
 
@@ -114,6 +116,7 @@
 		gfp_t gfp_flags);
 int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
 void dwc3_ep0_send_delayed_status(struct dwc3 *dwc);
+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt);
 
 /**
  * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
diff --git a/drivers/usb/dwc3/trace.c b/drivers/usb/dwc3/trace.c
index 1b45a97..8a4fe12 100644
--- a/drivers/usb/dwc3/trace.c
+++ b/drivers/usb/dwc3/trace.c
@@ -9,3 +9,10 @@
 
 #define CREATE_TRACE_POINTS
 #include "trace.h"
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_ep_queue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_readl);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_writel);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_event);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_ctrl_req);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_complete_trb);
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 2d15257..bc2cfb4 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -216,6 +216,12 @@
 config USB_F_TCM
 	tristate
 
+config USB_F_ACC
+	tristate
+
+config USB_F_AUDIO_SRC
+	tristate
+
 # this first set of drivers all depend on bulk-capable hardware.
 
 config USB_CONFIGFS
@@ -230,6 +236,14 @@
 	  appropriate symbolic links.
 	  For more information see Documentation/usb/gadget_configfs.rst.
 
+config USB_CONFIGFS_UEVENT
+	bool "Uevent notification of Gadget state"
+	depends on USB_CONFIGFS
+	help
+	  Enable uevent notifications to userspace when the gadget
+	  state changes. The gadget can be in any of the following
+	  three states: "CONNECTED/DISCONNECTED/CONFIGURED"
+
 config USB_CONFIGFS_SERIAL
 	bool "Generic serial bulk in/out"
 	depends on USB_CONFIGFS
@@ -371,6 +385,23 @@
 	  implemented in kernel space (for instance Ethernet, serial or
 	  mass storage) and other are implemented in user space.
 
+config USB_CONFIGFS_F_ACC
+	bool "Accessory gadget"
+	depends on USB_CONFIGFS
+	depends on HID=y
+	select USB_F_ACC
+	help
+	  USB gadget Accessory support
+
+config USB_CONFIGFS_F_AUDIO_SRC
+	bool "Audio Source gadget"
+	depends on USB_CONFIGFS
+	depends on SND
+	select SND_PCM
+	select USB_F_AUDIO_SRC
+	help
+	  USB gadget Audio Source support
+
 config USB_CONFIGFS_F_UAC1
 	bool "Audio Class 1.0"
 	depends on USB_CONFIGFS
@@ -450,6 +481,7 @@
 	depends on USB_CONFIGFS
 	depends on VIDEO_V4L2
 	depends on VIDEO_DEV
+	select VIDEOBUF2_DMA_SG
 	select VIDEOBUF2_VMALLOC
 	select USB_F_UVC
 	help
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index a980799..9315313 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/utsname.h>
+#include <linux/bitfield.h>
 
 #include <linux/usb/composite.h>
 #include <linux/usb/otg.h>
@@ -158,6 +159,8 @@
 	int want_comp_desc = 0;
 
 	struct usb_descriptor_header **d_spd; /* cursor for speed desc */
+	struct usb_composite_dev *cdev;
+	bool incomplete_desc = false;
 
 	if (!g || !f || !_ep)
 		return -EIO;
@@ -166,28 +169,43 @@
 	switch (g->speed) {
 	case USB_SPEED_SUPER_PLUS:
 		if (gadget_is_superspeed_plus(g)) {
-			speed_desc = f->ssp_descriptors;
-			want_comp_desc = 1;
-			break;
+			if (f->ssp_descriptors) {
+				speed_desc = f->ssp_descriptors;
+				want_comp_desc = 1;
+				break;
+			}
+			incomplete_desc = true;
 		}
 		fallthrough;
 	case USB_SPEED_SUPER:
 		if (gadget_is_superspeed(g)) {
-			speed_desc = f->ss_descriptors;
-			want_comp_desc = 1;
-			break;
+			if (f->ss_descriptors) {
+				speed_desc = f->ss_descriptors;
+				want_comp_desc = 1;
+				break;
+			}
+			incomplete_desc = true;
 		}
 		fallthrough;
 	case USB_SPEED_HIGH:
 		if (gadget_is_dualspeed(g)) {
-			speed_desc = f->hs_descriptors;
-			break;
+			if (f->hs_descriptors) {
+				speed_desc = f->hs_descriptors;
+				break;
+			}
+			incomplete_desc = true;
 		}
 		fallthrough;
 	default:
 		speed_desc = f->fs_descriptors;
 	}
 
+	cdev = get_gadget_data(g);
+	if (incomplete_desc)
+		WARNING(cdev,
+			"%s doesn't hold the descriptors for current speed\n",
+			f->name);
+
 	/* find correct alternate setting descriptor */
 	for_each_desc(speed_desc, d_spd, USB_DT_INTERFACE) {
 		int_desc = (struct usb_interface_descriptor *)*d_spd;
@@ -243,12 +261,8 @@
 			_ep->maxburst = comp_desc->bMaxBurst + 1;
 			break;
 		default:
-			if (comp_desc->bMaxBurst != 0) {
-				struct usb_composite_dev *cdev;
-
-				cdev = get_gadget_data(g);
+			if (comp_desc->bMaxBurst != 0)
 				ERROR(cdev, "ep0 bMaxBurst must be 0\n");
-			}
 			_ep->maxburst = 1;
 			break;
 		}
@@ -734,47 +748,77 @@
 	/* The SuperSpeedPlus USB Device Capability descriptor */
 	if (gadget_is_superspeed_plus(cdev->gadget)) {
 		struct usb_ssp_cap_descriptor *ssp_cap;
+		u8 ssac = 1;
+		u8 ssic;
+		int i;
+
+		if (cdev->gadget->max_ssp_rate == USB_SSP_GEN_2x2)
+			ssac = 3;
+
+		/*
+		 * Paired RX and TX sublink speed attributes share
+		 * the same SSID.
+		 */
+		ssic = (ssac + 1) / 2 - 1;
 
 		ssp_cap = cdev->req->buf + le16_to_cpu(bos->wTotalLength);
 		bos->bNumDeviceCaps++;
 
-		/*
-		 * Report typical values.
-		 */
-
-		le16_add_cpu(&bos->wTotalLength, USB_DT_USB_SSP_CAP_SIZE(1));
-		ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(1);
+		le16_add_cpu(&bos->wTotalLength, USB_DT_USB_SSP_CAP_SIZE(ssac));
+		ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(ssac);
 		ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
 		ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE;
 		ssp_cap->bReserved = 0;
 		ssp_cap->wReserved = 0;
 
-		/* SSAC = 1 (2 attributes) */
-		ssp_cap->bmAttributes = cpu_to_le32(1);
+		ssp_cap->bmAttributes =
+			cpu_to_le32(FIELD_PREP(USB_SSP_SUBLINK_SPEED_ATTRIBS, ssac) |
+				    FIELD_PREP(USB_SSP_SUBLINK_SPEED_IDS, ssic));
 
-		/* Min RX/TX Lane Count = 1 */
 		ssp_cap->wFunctionalitySupport =
-			cpu_to_le16((1 << 8) | (1 << 12));
+			cpu_to_le16(FIELD_PREP(USB_SSP_MIN_SUBLINK_SPEED_ATTRIBUTE_ID, 0) |
+				    FIELD_PREP(USB_SSP_MIN_RX_LANE_COUNT, 1) |
+				    FIELD_PREP(USB_SSP_MIN_TX_LANE_COUNT, 1));
 
 		/*
-		 * bmSublinkSpeedAttr[0]:
-		 *   ST  = Symmetric, RX
-		 *   LSE =  3 (Gbps)
-		 *   LP  =  1 (SuperSpeedPlus)
-		 *   LSM = 10 (10 Gbps)
+		 * Use 1 SSID if the gadget supports up to gen2x1 or not
+		 * specified:
+		 * - SSID 0 for symmetric RX/TX sublink speed of 10 Gbps.
+		 *
+		 * Use 1 SSID if the gadget supports up to gen1x2:
+		 * - SSID 0 for symmetric RX/TX sublink speed of 5 Gbps.
+		 *
+		 * Use 2 SSIDs if the gadget supports up to gen2x2:
+		 * - SSID 0 for symmetric RX/TX sublink speed of 5 Gbps.
+		 * - SSID 1 for symmetric RX/TX sublink speed of 10 Gbps.
 		 */
-		ssp_cap->bmSublinkSpeedAttr[0] =
-			cpu_to_le32((3 << 4) | (1 << 14) | (0xa << 16));
-		/*
-		 * bmSublinkSpeedAttr[1] =
-		 *   ST  = Symmetric, TX
-		 *   LSE =  3 (Gbps)
-		 *   LP  =  1 (SuperSpeedPlus)
-		 *   LSM = 10 (10 Gbps)
-		 */
-		ssp_cap->bmSublinkSpeedAttr[1] =
-			cpu_to_le32((3 << 4) | (1 << 14) |
-				    (0xa << 16) | (1 << 7));
+		for (i = 0; i < ssac + 1; i++) {
+			u8 ssid;
+			u8 mantissa;
+			u8 type;
+
+			ssid = i >> 1;
+
+			if (cdev->gadget->max_ssp_rate == USB_SSP_GEN_2x1 ||
+			    cdev->gadget->max_ssp_rate == USB_SSP_GEN_UNKNOWN)
+				mantissa = 10;
+			else
+				mantissa = 5 << ssid;
+
+			if (i % 2)
+				type = USB_SSP_SUBLINK_SPEED_ST_SYM_TX;
+			else
+				type = USB_SSP_SUBLINK_SPEED_ST_SYM_RX;
+
+			ssp_cap->bmSublinkSpeedAttr[i] =
+				cpu_to_le32(FIELD_PREP(USB_SSP_SUBLINK_SPEED_SSID, ssid) |
+					    FIELD_PREP(USB_SSP_SUBLINK_SPEED_LSE,
+						       USB_SSP_SUBLINK_SPEED_LSE_GBPS) |
+					    FIELD_PREP(USB_SSP_SUBLINK_SPEED_ST, type) |
+					    FIELD_PREP(USB_SSP_SUBLINK_SPEED_LP,
+						       USB_SSP_SUBLINK_SPEED_LP_SSP) |
+					    FIELD_PREP(USB_SSP_SUBLINK_SPEED_LSM, mantissa));
+		}
 	}
 
 	return le16_to_cpu(bos->wTotalLength);
@@ -2061,7 +2105,7 @@
 	return value;
 }
 
-void composite_disconnect(struct usb_gadget *gadget)
+static void __composite_disconnect(struct usb_gadget *gadget)
 {
 	struct usb_composite_dev	*cdev = get_gadget_data(gadget);
 	unsigned long			flags;
@@ -2078,6 +2122,23 @@
 	spin_unlock_irqrestore(&cdev->lock, flags);
 }
 
+void composite_disconnect(struct usb_gadget *gadget)
+{
+	usb_gadget_vbus_draw(gadget, 0);
+	__composite_disconnect(gadget);
+}
+
+void composite_reset(struct usb_gadget *gadget)
+{
+	/*
+	 * Section 1.4.13 Standard Downstream Port of the USB battery charging
+	 * specification v1.2 states that a device connected on a SDP shall only
+	 * draw at max 100mA while in a connected, but unconfigured state.
+	 */
+	usb_gadget_vbus_draw(gadget, 100);
+	__composite_disconnect(gadget);
+}
+
 /*-------------------------------------------------------------------------*/
 
 static ssize_t suspended_show(struct device *dev, struct device_attribute *attr,
@@ -2398,7 +2459,7 @@
 	.unbind		= composite_unbind,
 
 	.setup		= composite_setup,
-	.reset		= composite_disconnect,
+	.reset		= composite_reset,
 	.disconnect	= composite_disconnect,
 
 	.suspend	= composite_suspend,
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index d51ea1c..7b0abc2 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -10,6 +10,32 @@
 #include "u_f.h"
 #include "u_os_desc.h"
 
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+#include <linux/platform_device.h>
+#include <linux/kdev_t.h>
+#include <linux/usb/ch9.h>
+
+#ifdef CONFIG_USB_CONFIGFS_F_ACC
+extern int acc_ctrlrequest_composite(struct usb_composite_dev *cdev,
+				const struct usb_ctrlrequest *ctrl);
+void acc_disconnect(void);
+#endif
+static struct class *android_class;
+static struct device *android_device;
+static int index;
+static int gadget_index;
+
+struct device *create_function_device(char *name)
+{
+	if (android_device && !IS_ERR(android_device))
+		return device_create(android_class, android_device,
+			MKDEV(0, index++), NULL, name);
+	else
+		return ERR_PTR(-EINVAL);
+}
+EXPORT_SYMBOL_GPL(create_function_device);
+#endif
+
 int check_user_usb_string(const char *name,
 		struct usb_gadget_strings *stringtab_dev)
 {
@@ -51,6 +77,12 @@
 	char qw_sign[OS_STRING_QW_SIGN_LEN];
 	spinlock_t spinlock;
 	bool unbind;
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+	bool connected;
+	bool sw_connected;
+	struct work_struct work;
+	struct device *dev;
+#endif
 };
 
 static inline struct gadget_info *to_gadget_info(struct config_item *item)
@@ -272,7 +304,7 @@
 
 	mutex_lock(&gi->lock);
 
-	if (!strlen(name)) {
+	if (!strlen(name) || strcmp(name, "none") == 0) {
 		ret = unregister_gadget(gi);
 		if (ret)
 			goto err;
@@ -1404,6 +1436,10 @@
 				goto err_purge_funcs;
 			}
 		}
+		ret = usb_gadget_check_config(cdev->gadget);
+		if (ret)
+			goto err_purge_funcs;
+
 		usb_ep_autoconfig_reset(cdev->gadget);
 	}
 	if (cdev->use_os_string) {
@@ -1422,6 +1458,57 @@
 	return ret;
 }
 
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+static void android_work(struct work_struct *data)
+{
+	struct gadget_info *gi = container_of(data, struct gadget_info, work);
+	struct usb_composite_dev *cdev = &gi->cdev;
+	char *disconnected[2] = { "USB_STATE=DISCONNECTED", NULL };
+	char *connected[2]    = { "USB_STATE=CONNECTED", NULL };
+	char *configured[2]   = { "USB_STATE=CONFIGURED", NULL };
+	/* 0-connected 1-configured 2-disconnected*/
+	bool status[3] = { false, false, false };
+	unsigned long flags;
+	bool uevent_sent = false;
+
+	spin_lock_irqsave(&cdev->lock, flags);
+	if (cdev->config)
+		status[1] = true;
+
+	if (gi->connected != gi->sw_connected) {
+		if (gi->connected)
+			status[0] = true;
+		else
+			status[2] = true;
+		gi->sw_connected = gi->connected;
+	}
+	spin_unlock_irqrestore(&cdev->lock, flags);
+
+	if (status[0]) {
+		kobject_uevent_env(&gi->dev->kobj, KOBJ_CHANGE, connected);
+		pr_info("%s: sent uevent %s\n", __func__, connected[0]);
+		uevent_sent = true;
+	}
+
+	if (status[1]) {
+		kobject_uevent_env(&gi->dev->kobj, KOBJ_CHANGE, configured);
+		pr_info("%s: sent uevent %s\n", __func__, configured[0]);
+		uevent_sent = true;
+	}
+
+	if (status[2]) {
+		kobject_uevent_env(&gi->dev->kobj, KOBJ_CHANGE, disconnected);
+		pr_info("%s: sent uevent %s\n", __func__, disconnected[0]);
+		uevent_sent = true;
+	}
+
+	if (!uevent_sent) {
+		pr_info("%s: did not send uevent (%d %d %p)\n", __func__,
+			gi->connected, gi->sw_connected, cdev->config);
+	}
+}
+#endif
+
 static void configfs_composite_unbind(struct usb_gadget *gadget)
 {
 	struct usb_composite_dev	*cdev;
@@ -1449,6 +1536,60 @@
 	spin_unlock_irqrestore(&gi->spinlock, flags);
 }
 
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+static int android_setup(struct usb_gadget *gadget,
+			const struct usb_ctrlrequest *c)
+{
+	struct usb_composite_dev *cdev;
+	unsigned long flags;
+	struct gadget_info *gi;
+	int value = -EOPNOTSUPP;
+	struct usb_function_instance *fi;
+
+	cdev = get_gadget_data(gadget);
+	if (!cdev)
+		return 0;
+
+	gi = container_of(cdev, struct gadget_info, cdev);
+	spin_lock_irqsave(&gi->spinlock, flags);
+	cdev = get_gadget_data(gadget);
+	if (!cdev || gi->unbind) {
+		spin_unlock_irqrestore(&gi->spinlock, flags);
+		return 0;
+	}
+
+	if (!gi->connected) {
+		gi->connected = 1;
+		schedule_work(&gi->work);
+	}
+
+	list_for_each_entry(fi, &gi->available_func, cfs_list) {
+		if (fi != NULL && fi->f != NULL && fi->f->setup != NULL) {
+			value = fi->f->setup(fi->f, c);
+			if (value >= 0)
+				break;
+		}
+	}
+
+#ifdef CONFIG_USB_CONFIGFS_F_ACC
+	if (value < 0)
+		value = acc_ctrlrequest_composite(cdev, c);
+#endif
+
+	if (value < 0)
+		value = composite_setup(gadget, c);
+
+	if (c->bRequest == USB_REQ_SET_CONFIGURATION &&
+						cdev->config) {
+		schedule_work(&gi->work);
+	}
+	spin_unlock_irqrestore(&gi->spinlock, flags);
+
+	return value;
+}
+
+#else // CONFIG_USB_CONFIGFS_UEVENT
+
 static int configfs_composite_setup(struct usb_gadget *gadget,
 		const struct usb_ctrlrequest *ctrl)
 {
@@ -1474,6 +1615,8 @@
 	return ret;
 }
 
+#endif // CONFIG_USB_CONFIGFS_UEVENT
+
 static void configfs_composite_disconnect(struct usb_gadget *gadget)
 {
 	struct usb_composite_dev *cdev;
@@ -1484,6 +1627,40 @@
 	if (!cdev)
 		return;
 
+#ifdef CONFIG_USB_CONFIGFS_F_ACC
+	/*
+	 * accessory HID support can be active while the
+	 * accessory function is not actually enabled,
+	 * so we need to inform it when we are disconnected.
+	 */
+	acc_disconnect();
+#endif
+	gi = container_of(cdev, struct gadget_info, cdev);
+	spin_lock_irqsave(&gi->spinlock, flags);
+	cdev = get_gadget_data(gadget);
+	if (!cdev || gi->unbind) {
+		spin_unlock_irqrestore(&gi->spinlock, flags);
+		return;
+	}
+
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+	gi->connected = 0;
+	schedule_work(&gi->work);
+#endif
+	composite_disconnect(gadget);
+	spin_unlock_irqrestore(&gi->spinlock, flags);
+}
+
+static void configfs_composite_reset(struct usb_gadget *gadget)
+{
+	struct usb_composite_dev *cdev;
+	struct gadget_info *gi;
+	unsigned long flags;
+
+	cdev = get_gadget_data(gadget);
+	if (!cdev)
+		return;
+
 	gi = container_of(cdev, struct gadget_info, cdev);
 	spin_lock_irqsave(&gi->spinlock, flags);
 	cdev = get_gadget_data(gadget);
@@ -1492,7 +1669,7 @@
 		return;
 	}
 
-	composite_disconnect(gadget);
+	composite_reset(gadget);
 	spin_unlock_irqrestore(&gi->spinlock, flags);
 }
 
@@ -1544,10 +1721,13 @@
 	.bind           = configfs_composite_bind,
 	.unbind         = configfs_composite_unbind,
 
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+	.setup          = android_setup,
+#else
 	.setup          = configfs_composite_setup,
-	.reset          = configfs_composite_disconnect,
+#endif
+	.reset          = configfs_composite_reset,
 	.disconnect     = configfs_composite_disconnect,
-
 	.suspend	= configfs_composite_suspend,
 	.resume		= configfs_composite_resume,
 
@@ -1559,6 +1739,91 @@
 	.match_existing_only = 1,
 };
 
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+static ssize_t state_show(struct device *pdev, struct device_attribute *attr,
+			char *buf)
+{
+	struct gadget_info *dev = dev_get_drvdata(pdev);
+	struct usb_composite_dev *cdev;
+	char *state = "DISCONNECTED";
+	unsigned long flags;
+
+	if (!dev)
+		goto out;
+
+	cdev = &dev->cdev;
+
+	if (!cdev)
+		goto out;
+
+	spin_lock_irqsave(&cdev->lock, flags);
+	if (cdev->config)
+		state = "CONFIGURED";
+	else if (dev->connected)
+		state = "CONNECTED";
+	spin_unlock_irqrestore(&cdev->lock, flags);
+out:
+	return sprintf(buf, "%s\n", state);
+}
+
+static DEVICE_ATTR(state, S_IRUGO, state_show, NULL);
+
+static struct device_attribute *android_usb_attributes[] = {
+	&dev_attr_state,
+	NULL
+};
+
+static int android_device_create(struct gadget_info *gi)
+{
+	struct device_attribute **attrs;
+	struct device_attribute *attr;
+
+	INIT_WORK(&gi->work, android_work);
+	gi->dev = device_create(android_class, NULL,
+			MKDEV(0, 0), NULL, "android%d", gadget_index++);
+	if (IS_ERR(gi->dev))
+		return PTR_ERR(gi->dev);
+
+	dev_set_drvdata(gi->dev, gi);
+	if (!android_device)
+		android_device = gi->dev;
+
+	attrs = android_usb_attributes;
+	while ((attr = *attrs++)) {
+		int err;
+
+		err = device_create_file(gi->dev, attr);
+		if (err) {
+			device_destroy(gi->dev->class,
+				       gi->dev->devt);
+			return err;
+		}
+	}
+
+	return 0;
+}
+
+static void android_device_destroy(struct gadget_info *gi)
+{
+	struct device_attribute **attrs;
+	struct device_attribute *attr;
+
+	attrs = android_usb_attributes;
+	while ((attr = *attrs++))
+		device_remove_file(gi->dev, attr);
+	device_destroy(gi->dev->class, gi->dev->devt);
+}
+#else
+static inline int android_device_create(struct gadget_info *gi)
+{
+	return 0;
+}
+
+static inline void android_device_destroy(struct gadget_info *gi)
+{
+}
+#endif
+
 static struct config_group *gadgets_make(
 		struct config_group *group,
 		const char *name)
@@ -1611,7 +1876,11 @@
 	if (!gi->composite.gadget_driver.function)
 		goto err;
 
+	if (android_device_create(gi) < 0)
+		goto err;
+
 	return &gi->group;
+
 err:
 	kfree(gi);
 	return ERR_PTR(-ENOMEM);
@@ -1619,7 +1888,11 @@
 
 static void gadgets_drop(struct config_group *group, struct config_item *item)
 {
+	struct gadget_info *gi;
+
+	gi = container_of(to_config_group(item), struct gadget_info, group);
 	config_item_put(item);
+	android_device_destroy(gi);
 }
 
 static struct configfs_group_operations gadgets_ops = {
@@ -1659,6 +1932,13 @@
 	config_group_init(&gadget_subsys.su_group);
 
 	ret = configfs_register_subsystem(&gadget_subsys);
+
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+	android_class = class_create(THIS_MODULE, "android_usb");
+	if (IS_ERR(android_class))
+		return PTR_ERR(android_class);
+#endif
+
 	return ret;
 }
 module_init(gadget_cfs_init);
@@ -1666,5 +1946,10 @@
 static void __exit gadget_cfs_exit(void)
 {
 	configfs_unregister_subsystem(&gadget_subsys);
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+	if (!IS_ERR(android_class))
+		class_destroy(android_class);
+#endif
+
 }
 module_exit(gadget_cfs_exit);
diff --git a/drivers/usb/gadget/function/Makefile b/drivers/usb/gadget/function/Makefile
index 5d3a6cf..dd33a12 100644
--- a/drivers/usb/gadget/function/Makefile
+++ b/drivers/usb/gadget/function/Makefile
@@ -50,3 +50,7 @@
 obj-$(CONFIG_USB_F_PRINTER)	+= usb_f_printer.o
 usb_f_tcm-y			:= f_tcm.o
 obj-$(CONFIG_USB_F_TCM)		+= usb_f_tcm.o
+usb_f_accessory-y		:= f_accessory.o
+obj-$(CONFIG_USB_F_ACC)		+= usb_f_accessory.o
+usb_f_audio_source-y		:= f_audio_source.o
+obj-$(CONFIG_USB_F_AUDIO_SRC)	+= usb_f_audio_source.o
diff --git a/drivers/usb/gadget/function/f_accessory.c b/drivers/usb/gadget/function/f_accessory.c
new file mode 100644
index 0000000..ce7814c
--- /dev/null
+++ b/drivers/usb/gadget/function/f_accessory.c
@@ -0,0 +1,1574 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Gadget Function Driver for Android USB accessories
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Author: Mike Lockwood <lockwood@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+/* #define DEBUG */
+/* #define VERBOSE_DEBUG */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/poll.h>
+#include <linux/delay.h>
+#include <linux/wait.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
+#include <linux/kref.h>
+#include <linux/kernel.h>
+
+#include <linux/types.h>
+#include <linux/file.h>
+#include <linux/device.h>
+#include <linux/miscdevice.h>
+
+#include <linux/hid.h>
+#include <linux/hiddev.h>
+#include <linux/usb.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/f_accessory.h>
+
+#include <linux/configfs.h>
+#include <linux/usb/composite.h>
+
+#define MAX_INST_NAME_LEN        40
+#define BULK_BUFFER_SIZE    16384
+#define ACC_STRING_SIZE     256
+
+#define PROTOCOL_VERSION    2
+
+/* String IDs */
+#define INTERFACE_STRING_INDEX	0
+
+/* number of tx and rx requests to allocate */
+#define TX_REQ_MAX 4
+#define RX_REQ_MAX 2
+
+struct acc_hid_dev {
+	struct list_head	list;
+	struct hid_device *hid;
+	struct acc_dev *dev;
+	/* accessory defined ID */
+	int id;
+	/* HID report descriptor */
+	u8 *report_desc;
+	/* length of HID report descriptor */
+	int report_desc_len;
+	/* number of bytes of report_desc we have received so far */
+	int report_desc_offset;
+};
+
+struct acc_dev {
+	struct usb_function function;
+	struct usb_composite_dev *cdev;
+	spinlock_t lock;
+	struct acc_dev_ref *ref;
+
+	struct usb_ep *ep_in;
+	struct usb_ep *ep_out;
+
+	/* online indicates state of function_set_alt & function_unbind
+	 * set to 1 when we connect
+	 */
+	int online;
+
+	/* disconnected indicates state of open & release
+	 * Set to 1 when we disconnect.
+	 * Not cleared until our file is closed.
+	 */
+	int disconnected;
+
+	/* strings sent by the host */
+	char manufacturer[ACC_STRING_SIZE];
+	char model[ACC_STRING_SIZE];
+	char description[ACC_STRING_SIZE];
+	char version[ACC_STRING_SIZE];
+	char uri[ACC_STRING_SIZE];
+	char serial[ACC_STRING_SIZE];
+
+	/* for acc_complete_set_string */
+	int string_index;
+
+	/* set to 1 if we have a pending start request */
+	int start_requested;
+
+	int audio_mode;
+
+	/* synchronize access to our device file */
+	atomic_t open_excl;
+
+	struct list_head tx_idle;
+
+	wait_queue_head_t read_wq;
+	wait_queue_head_t write_wq;
+	struct usb_request *rx_req[RX_REQ_MAX];
+	int rx_done;
+
+	/* delayed work for handling ACCESSORY_START */
+	struct delayed_work start_work;
+
+	/* work for handling ACCESSORY GET PROTOCOL */
+	struct work_struct getprotocol_work;
+
+	/* work for handling ACCESSORY SEND STRING */
+	struct work_struct sendstring_work;
+
+	/* worker for registering and unregistering hid devices */
+	struct work_struct hid_work;
+
+	/* list of active HID devices */
+	struct list_head	hid_list;
+
+	/* list of new HID devices to register */
+	struct list_head	new_hid_list;
+
+	/* list of dead HID devices to unregister */
+	struct list_head	dead_hid_list;
+};
+
+static struct usb_interface_descriptor acc_interface_desc = {
+	.bLength                = USB_DT_INTERFACE_SIZE,
+	.bDescriptorType        = USB_DT_INTERFACE,
+	.bInterfaceNumber       = 0,
+	.bNumEndpoints          = 2,
+	.bInterfaceClass        = USB_CLASS_VENDOR_SPEC,
+	.bInterfaceSubClass     = USB_SUBCLASS_VENDOR_SPEC,
+	.bInterfaceProtocol     = 0,
+};
+
+static struct usb_endpoint_descriptor acc_superspeedplus_in_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_IN,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize         = cpu_to_le16(1024),
+};
+
+static struct usb_endpoint_descriptor acc_superspeedplus_out_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_OUT,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize         = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor acc_superspeedplus_comp_desc = {
+	.bLength                = sizeof(acc_superspeedplus_comp_desc),
+	.bDescriptorType        = USB_DT_SS_ENDPOINT_COMP,
+
+	/* the following 2 values can be tweaked if necessary */
+	/* .bMaxBurst =         0, */
+	/* .bmAttributes =      0, */
+};
+
+static struct usb_endpoint_descriptor acc_superspeed_in_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_IN,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize         = cpu_to_le16(1024),
+};
+
+static struct usb_endpoint_descriptor acc_superspeed_out_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_OUT,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize         = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor acc_superspeed_comp_desc = {
+	.bLength                = sizeof(acc_superspeed_comp_desc),
+	.bDescriptorType        = USB_DT_SS_ENDPOINT_COMP,
+
+	/* the following 2 values can be tweaked if necessary */
+	/* .bMaxBurst =         0, */
+	/* .bmAttributes =      0, */
+};
+
+static struct usb_endpoint_descriptor acc_highspeed_in_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_IN,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize         = cpu_to_le16(512),
+};
+
+static struct usb_endpoint_descriptor acc_highspeed_out_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_OUT,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize         = cpu_to_le16(512),
+};
+
+static struct usb_endpoint_descriptor acc_fullspeed_in_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_IN,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_endpoint_descriptor acc_fullspeed_out_desc = {
+	.bLength                = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType        = USB_DT_ENDPOINT,
+	.bEndpointAddress       = USB_DIR_OUT,
+	.bmAttributes           = USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_descriptor_header *fs_acc_descs[] = {
+	(struct usb_descriptor_header *) &acc_interface_desc,
+	(struct usb_descriptor_header *) &acc_fullspeed_in_desc,
+	(struct usb_descriptor_header *) &acc_fullspeed_out_desc,
+	NULL,
+};
+
+static struct usb_descriptor_header *hs_acc_descs[] = {
+	(struct usb_descriptor_header *) &acc_interface_desc,
+	(struct usb_descriptor_header *) &acc_highspeed_in_desc,
+	(struct usb_descriptor_header *) &acc_highspeed_out_desc,
+	NULL,
+};
+
+static struct usb_descriptor_header *ss_acc_descs[] = {
+	(struct usb_descriptor_header *) &acc_interface_desc,
+	(struct usb_descriptor_header *) &acc_superspeed_in_desc,
+	(struct usb_descriptor_header *) &acc_superspeed_comp_desc,
+	(struct usb_descriptor_header *) &acc_superspeed_out_desc,
+	(struct usb_descriptor_header *) &acc_superspeed_comp_desc,
+	NULL,
+};
+
+static struct usb_descriptor_header *ssp_acc_descs[] = {
+	(struct usb_descriptor_header *) &acc_interface_desc,
+	(struct usb_descriptor_header *) &acc_superspeedplus_in_desc,
+	(struct usb_descriptor_header *) &acc_superspeedplus_comp_desc,
+	(struct usb_descriptor_header *) &acc_superspeedplus_out_desc,
+	(struct usb_descriptor_header *) &acc_superspeedplus_comp_desc,
+	NULL,
+};
+
+static struct usb_string acc_string_defs[] = {
+	[INTERFACE_STRING_INDEX].s	= "Android Accessory Interface",
+	{  },	/* end of list */
+};
+
+static struct usb_gadget_strings acc_string_table = {
+	.language		= 0x0409,	/* en-US */
+	.strings		= acc_string_defs,
+};
+
+static struct usb_gadget_strings *acc_strings[] = {
+	&acc_string_table,
+	NULL,
+};
+
+struct acc_dev_ref {
+	struct kref	kref;
+	struct acc_dev	*acc_dev;
+};
+
+static struct acc_dev_ref _acc_dev_ref = {
+	.kref = KREF_INIT(0),
+};
+
+struct acc_instance {
+	struct usb_function_instance func_inst;
+	const char *name;
+};
+
+static struct acc_dev *get_acc_dev(void)
+{
+	struct acc_dev_ref *ref = &_acc_dev_ref;
+
+	return kref_get_unless_zero(&ref->kref) ? ref->acc_dev : NULL;
+}
+
+static void __put_acc_dev(struct kref *kref)
+{
+	struct acc_dev_ref *ref = container_of(kref, struct acc_dev_ref, kref);
+	struct acc_dev *dev = ref->acc_dev;
+
+	/* Cancel any async work */
+	cancel_delayed_work_sync(&dev->start_work);
+	cancel_work_sync(&dev->getprotocol_work);
+	cancel_work_sync(&dev->sendstring_work);
+	cancel_work_sync(&dev->hid_work);
+
+	ref->acc_dev = NULL;
+	kfree(dev);
+}
+
+static void put_acc_dev(struct acc_dev *dev)
+{
+	struct acc_dev_ref *ref = dev->ref;
+
+	WARN_ON(ref->acc_dev != dev);
+	kref_put(&ref->kref, __put_acc_dev);
+}
+
+static inline struct acc_dev *func_to_dev(struct usb_function *f)
+{
+	return container_of(f, struct acc_dev, function);
+}
+
+static struct usb_request *acc_request_new(struct usb_ep *ep, int buffer_size)
+{
+	struct usb_request *req = usb_ep_alloc_request(ep, GFP_KERNEL);
+
+	if (!req)
+		return NULL;
+
+	/* now allocate buffers for the requests */
+	req->buf = kmalloc(buffer_size, GFP_KERNEL);
+	if (!req->buf) {
+		usb_ep_free_request(ep, req);
+		return NULL;
+	}
+
+	return req;
+}
+
+static void acc_request_free(struct usb_request *req, struct usb_ep *ep)
+{
+	if (req) {
+		kfree(req->buf);
+		usb_ep_free_request(ep, req);
+	}
+}
+
+/* add a request to the tail of a list */
+static void req_put(struct acc_dev *dev, struct list_head *head,
+		struct usb_request *req)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	list_add_tail(&req->list, head);
+	spin_unlock_irqrestore(&dev->lock, flags);
+}
+
+/* remove a request from the head of a list */
+static struct usb_request *req_get(struct acc_dev *dev, struct list_head *head)
+{
+	unsigned long flags;
+	struct usb_request *req;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	if (list_empty(head)) {
+		req = 0;
+	} else {
+		req = list_first_entry(head, struct usb_request, list);
+		list_del(&req->list);
+	}
+	spin_unlock_irqrestore(&dev->lock, flags);
+	return req;
+}
+
+static void acc_set_disconnected(struct acc_dev *dev)
+{
+	dev->disconnected = 1;
+}
+
+static void acc_complete_in(struct usb_ep *ep, struct usb_request *req)
+{
+	struct acc_dev *dev = get_acc_dev();
+
+	if (!dev)
+		return;
+
+	if (req->status == -ESHUTDOWN) {
+		pr_debug("acc_complete_in set disconnected");
+		acc_set_disconnected(dev);
+	}
+
+	req_put(dev, &dev->tx_idle, req);
+
+	wake_up(&dev->write_wq);
+	put_acc_dev(dev);
+}
+
+static void acc_complete_out(struct usb_ep *ep, struct usb_request *req)
+{
+	struct acc_dev *dev = get_acc_dev();
+
+	if (!dev)
+		return;
+
+	dev->rx_done = 1;
+	if (req->status == -ESHUTDOWN) {
+		pr_debug("acc_complete_out set disconnected");
+		acc_set_disconnected(dev);
+	}
+
+	wake_up(&dev->read_wq);
+	put_acc_dev(dev);
+}
+
+static void acc_complete_set_string(struct usb_ep *ep, struct usb_request *req)
+{
+	struct acc_dev	*dev = ep->driver_data;
+	char *string_dest = NULL;
+	int length = req->actual;
+
+	if (req->status != 0) {
+		pr_err("acc_complete_set_string, err %d\n", req->status);
+		return;
+	}
+
+	switch (dev->string_index) {
+	case ACCESSORY_STRING_MANUFACTURER:
+		string_dest = dev->manufacturer;
+		break;
+	case ACCESSORY_STRING_MODEL:
+		string_dest = dev->model;
+		break;
+	case ACCESSORY_STRING_DESCRIPTION:
+		string_dest = dev->description;
+		break;
+	case ACCESSORY_STRING_VERSION:
+		string_dest = dev->version;
+		break;
+	case ACCESSORY_STRING_URI:
+		string_dest = dev->uri;
+		break;
+	case ACCESSORY_STRING_SERIAL:
+		string_dest = dev->serial;
+		break;
+	}
+	if (string_dest) {
+		unsigned long flags;
+
+		if (length >= ACC_STRING_SIZE)
+			length = ACC_STRING_SIZE - 1;
+
+		spin_lock_irqsave(&dev->lock, flags);
+		memcpy(string_dest, req->buf, length);
+		/* ensure zero termination */
+		string_dest[length] = 0;
+		spin_unlock_irqrestore(&dev->lock, flags);
+	} else {
+		pr_err("unknown accessory string index %d\n",
+			dev->string_index);
+	}
+}
+
+static void acc_complete_set_hid_report_desc(struct usb_ep *ep,
+		struct usb_request *req)
+{
+	struct acc_hid_dev *hid = req->context;
+	struct acc_dev *dev = hid->dev;
+	int length = req->actual;
+
+	if (req->status != 0) {
+		pr_err("acc_complete_set_hid_report_desc, err %d\n",
+			req->status);
+		return;
+	}
+
+	memcpy(hid->report_desc + hid->report_desc_offset, req->buf, length);
+	hid->report_desc_offset += length;
+	if (hid->report_desc_offset == hid->report_desc_len) {
+		/* After we have received the entire report descriptor
+		 * we schedule work to initialize the HID device
+		 */
+		schedule_work(&dev->hid_work);
+	}
+}
+
+static void acc_complete_send_hid_event(struct usb_ep *ep,
+		struct usb_request *req)
+{
+	struct acc_hid_dev *hid = req->context;
+	int length = req->actual;
+
+	if (req->status != 0) {
+		pr_err("acc_complete_send_hid_event, err %d\n", req->status);
+		return;
+	}
+
+	hid_report_raw_event(hid->hid, HID_INPUT_REPORT, req->buf, length, 1);
+}
+
+static int acc_hid_parse(struct hid_device *hid)
+{
+	struct acc_hid_dev *hdev = hid->driver_data;
+
+	hid_parse_report(hid, hdev->report_desc, hdev->report_desc_len);
+	return 0;
+}
+
+static int acc_hid_start(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void acc_hid_stop(struct hid_device *hid)
+{
+}
+
+static int acc_hid_open(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void acc_hid_close(struct hid_device *hid)
+{
+}
+
+static int acc_hid_raw_request(struct hid_device *hid, unsigned char reportnum,
+	__u8 *buf, size_t len, unsigned char rtype, int reqtype)
+{
+	return 0;
+}
+
+static struct hid_ll_driver acc_hid_ll_driver = {
+	.parse = acc_hid_parse,
+	.start = acc_hid_start,
+	.stop = acc_hid_stop,
+	.open = acc_hid_open,
+	.close = acc_hid_close,
+	.raw_request = acc_hid_raw_request,
+};
+
+static struct acc_hid_dev *acc_hid_new(struct acc_dev *dev,
+		int id, int desc_len)
+{
+	struct acc_hid_dev *hdev;
+
+	hdev = kzalloc(sizeof(*hdev), GFP_ATOMIC);
+	if (!hdev)
+		return NULL;
+	hdev->report_desc = kzalloc(desc_len, GFP_ATOMIC);
+	if (!hdev->report_desc) {
+		kfree(hdev);
+		return NULL;
+	}
+	hdev->dev = dev;
+	hdev->id = id;
+	hdev->report_desc_len = desc_len;
+
+	return hdev;
+}
+
+static struct acc_hid_dev *acc_hid_get(struct list_head *list, int id)
+{
+	struct acc_hid_dev *hid;
+
+	list_for_each_entry(hid, list, list) {
+		if (hid->id == id)
+			return hid;
+	}
+	return NULL;
+}
+
+static int acc_register_hid(struct acc_dev *dev, int id, int desc_length)
+{
+	struct acc_hid_dev *hid;
+	unsigned long flags;
+
+	/* report descriptor length must be > 0 */
+	if (desc_length <= 0)
+		return -EINVAL;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	/* replace HID if one already exists with this ID */
+	hid = acc_hid_get(&dev->hid_list, id);
+	if (!hid)
+		hid = acc_hid_get(&dev->new_hid_list, id);
+	if (hid)
+		list_move(&hid->list, &dev->dead_hid_list);
+
+	hid = acc_hid_new(dev, id, desc_length);
+	if (!hid) {
+		spin_unlock_irqrestore(&dev->lock, flags);
+		return -ENOMEM;
+	}
+
+	list_add(&hid->list, &dev->new_hid_list);
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	/* schedule work to register the HID device */
+	schedule_work(&dev->hid_work);
+	return 0;
+}
+
+static int acc_unregister_hid(struct acc_dev *dev, int id)
+{
+	struct acc_hid_dev *hid;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	hid = acc_hid_get(&dev->hid_list, id);
+	if (!hid)
+		hid = acc_hid_get(&dev->new_hid_list, id);
+	if (!hid) {
+		spin_unlock_irqrestore(&dev->lock, flags);
+		return -EINVAL;
+	}
+
+	list_move(&hid->list, &dev->dead_hid_list);
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	schedule_work(&dev->hid_work);
+	return 0;
+}
+
+static int create_bulk_endpoints(struct acc_dev *dev,
+				struct usb_endpoint_descriptor *in_desc,
+				struct usb_endpoint_descriptor *out_desc)
+{
+	struct usb_composite_dev *cdev = dev->cdev;
+	struct usb_request *req;
+	struct usb_ep *ep;
+	int i;
+
+	DBG(cdev, "create_bulk_endpoints dev: %p\n", dev);
+
+	ep = usb_ep_autoconfig(cdev->gadget, in_desc);
+	if (!ep) {
+		DBG(cdev, "usb_ep_autoconfig for ep_in failed\n");
+		return -ENODEV;
+	}
+	DBG(cdev, "usb_ep_autoconfig for ep_in got %s\n", ep->name);
+	ep->driver_data = dev;		/* claim the endpoint */
+	dev->ep_in = ep;
+
+	ep = usb_ep_autoconfig(cdev->gadget, out_desc);
+	if (!ep) {
+		DBG(cdev, "usb_ep_autoconfig for ep_out failed\n");
+		return -ENODEV;
+	}
+	DBG(cdev, "usb_ep_autoconfig for ep_out got %s\n", ep->name);
+	ep->driver_data = dev;		/* claim the endpoint */
+	dev->ep_out = ep;
+
+	/* now allocate requests for our endpoints */
+	for (i = 0; i < TX_REQ_MAX; i++) {
+		req = acc_request_new(dev->ep_in, BULK_BUFFER_SIZE);
+		if (!req)
+			goto fail;
+		req->complete = acc_complete_in;
+		req_put(dev, &dev->tx_idle, req);
+	}
+	for (i = 0; i < RX_REQ_MAX; i++) {
+		req = acc_request_new(dev->ep_out, BULK_BUFFER_SIZE);
+		if (!req)
+			goto fail;
+		req->complete = acc_complete_out;
+		dev->rx_req[i] = req;
+	}
+
+	return 0;
+
+fail:
+	pr_err("acc_bind() could not allocate requests\n");
+	while ((req = req_get(dev, &dev->tx_idle)))
+		acc_request_free(req, dev->ep_in);
+	for (i = 0; i < RX_REQ_MAX; i++) {
+		acc_request_free(dev->rx_req[i], dev->ep_out);
+		dev->rx_req[i] = NULL;
+	}
+
+	return -1;
+}
+
+static ssize_t acc_read(struct file *fp, char __user *buf,
+	size_t count, loff_t *pos)
+{
+	struct acc_dev *dev = fp->private_data;
+	struct usb_request *req;
+	ssize_t r = count;
+	ssize_t data_length;
+	unsigned xfer;
+	int ret = 0;
+
+	pr_debug("acc_read(%zu)\n", count);
+
+	if (dev->disconnected) {
+		pr_debug("acc_read disconnected");
+		return -ENODEV;
+	}
+
+	if (count > BULK_BUFFER_SIZE)
+		count = BULK_BUFFER_SIZE;
+
+	/* we will block until we're online */
+	pr_debug("acc_read: waiting for online\n");
+	ret = wait_event_interruptible(dev->read_wq, dev->online);
+	if (ret < 0) {
+		r = ret;
+		goto done;
+	}
+
+	if (!dev->rx_req[0]) {
+		pr_warn("acc_read: USB request already handled/freed");
+		r = -EINVAL;
+		goto done;
+	}
+
+	/*
+	 * Calculate the data length by considering termination character.
+	 * Then compansite the difference of rounding up to
+	 * integer multiple of maxpacket size.
+	 */
+	data_length = count;
+	data_length += dev->ep_out->maxpacket - 1;
+	data_length -= data_length % dev->ep_out->maxpacket;
+
+	if (dev->rx_done) {
+		// last req cancelled. try to get it.
+		req = dev->rx_req[0];
+		goto copy_data;
+	}
+
+requeue_req:
+	/* queue a request */
+	req = dev->rx_req[0];
+	req->length = data_length;
+	dev->rx_done = 0;
+	ret = usb_ep_queue(dev->ep_out, req, GFP_KERNEL);
+	if (ret < 0) {
+		r = -EIO;
+		goto done;
+	} else {
+		pr_debug("rx %p queue\n", req);
+	}
+
+	/* wait for a request to complete */
+	ret = wait_event_interruptible(dev->read_wq, dev->rx_done);
+	if (ret < 0) {
+		r = ret;
+		ret = usb_ep_dequeue(dev->ep_out, req);
+		if (ret != 0) {
+			// cancel failed. There can be a data already received.
+			// it will be retrieved in the next read.
+			pr_debug("acc_read: cancelling failed %d", ret);
+		}
+		goto done;
+	}
+
+copy_data:
+	dev->rx_done = 0;
+	if (dev->online) {
+		/* If we got a 0-len packet, throw it back and try again. */
+		if (req->actual == 0)
+			goto requeue_req;
+
+		pr_debug("rx %p %u\n", req, req->actual);
+		xfer = (req->actual < count) ? req->actual : count;
+		r = xfer;
+		if (copy_to_user(buf, req->buf, xfer))
+			r = -EFAULT;
+	} else
+		r = -EIO;
+
+done:
+	pr_debug("acc_read returning %zd\n", r);
+	return r;
+}
+
+static ssize_t acc_write(struct file *fp, const char __user *buf,
+	size_t count, loff_t *pos)
+{
+	struct acc_dev *dev = fp->private_data;
+	struct usb_request *req = 0;
+	ssize_t r = count;
+	unsigned xfer;
+	int ret;
+
+	pr_debug("acc_write(%zu)\n", count);
+
+	if (!dev->online || dev->disconnected) {
+		pr_debug("acc_write disconnected or not online");
+		return -ENODEV;
+	}
+
+	while (count > 0) {
+		/* get an idle tx request to use */
+		req = 0;
+		ret = wait_event_interruptible(dev->write_wq,
+			((req = req_get(dev, &dev->tx_idle)) || !dev->online));
+		if (!dev->online || dev->disconnected) {
+			pr_debug("acc_write dev->error\n");
+			r = -EIO;
+			break;
+		}
+
+		if (!req) {
+			r = ret;
+			break;
+		}
+
+		if (count > BULK_BUFFER_SIZE) {
+			xfer = BULK_BUFFER_SIZE;
+			/* ZLP, They will be more TX requests so not yet. */
+			req->zero = 0;
+		} else {
+			xfer = count;
+			/* If the data length is a multple of the
+			 * maxpacket size then send a zero length packet(ZLP).
+			*/
+			req->zero = ((xfer % dev->ep_in->maxpacket) == 0);
+		}
+		if (copy_from_user(req->buf, buf, xfer)) {
+			r = -EFAULT;
+			break;
+		}
+
+		req->length = xfer;
+		ret = usb_ep_queue(dev->ep_in, req, GFP_KERNEL);
+		if (ret < 0) {
+			pr_debug("acc_write: xfer error %d\n", ret);
+			r = -EIO;
+			break;
+		}
+
+		buf += xfer;
+		count -= xfer;
+
+		/* zero this so we don't try to free it on error exit */
+		req = 0;
+	}
+
+	if (req)
+		req_put(dev, &dev->tx_idle, req);
+
+	pr_debug("acc_write returning %zd\n", r);
+	return r;
+}
+
+static long acc_ioctl(struct file *fp, unsigned code, unsigned long value)
+{
+	struct acc_dev *dev = fp->private_data;
+	char *src = NULL;
+	int ret;
+
+	switch (code) {
+	case ACCESSORY_GET_STRING_MANUFACTURER:
+		src = dev->manufacturer;
+		break;
+	case ACCESSORY_GET_STRING_MODEL:
+		src = dev->model;
+		break;
+	case ACCESSORY_GET_STRING_DESCRIPTION:
+		src = dev->description;
+		break;
+	case ACCESSORY_GET_STRING_VERSION:
+		src = dev->version;
+		break;
+	case ACCESSORY_GET_STRING_URI:
+		src = dev->uri;
+		break;
+	case ACCESSORY_GET_STRING_SERIAL:
+		src = dev->serial;
+		break;
+	case ACCESSORY_IS_START_REQUESTED:
+		return dev->start_requested;
+	case ACCESSORY_GET_AUDIO_MODE:
+		return dev->audio_mode;
+	}
+	if (!src)
+		return -EINVAL;
+
+	ret = strlen(src) + 1;
+	if (copy_to_user((void __user *)value, src, ret))
+		ret = -EFAULT;
+	return ret;
+}
+
+static int acc_open(struct inode *ip, struct file *fp)
+{
+	struct acc_dev *dev = get_acc_dev();
+
+	if (!dev)
+		return -ENODEV;
+
+	if (atomic_xchg(&dev->open_excl, 1)) {
+		put_acc_dev(dev);
+		return -EBUSY;
+	}
+
+	dev->disconnected = 0;
+	fp->private_data = dev;
+	return 0;
+}
+
+static int acc_release(struct inode *ip, struct file *fp)
+{
+	struct acc_dev *dev = fp->private_data;
+
+	if (!dev)
+		return -ENOENT;
+
+	/* indicate that we are disconnected
+	 * still could be online so don't touch online flag
+	 */
+	dev->disconnected = 1;
+
+	fp->private_data = NULL;
+	WARN_ON(!atomic_xchg(&dev->open_excl, 0));
+	put_acc_dev(dev);
+	return 0;
+}
+
+/* file operations for /dev/usb_accessory */
+static const struct file_operations acc_fops = {
+	.owner = THIS_MODULE,
+	.read = acc_read,
+	.write = acc_write,
+	.unlocked_ioctl = acc_ioctl,
+	.compat_ioctl = acc_ioctl,
+	.open = acc_open,
+	.release = acc_release,
+};
+
+static int acc_hid_probe(struct hid_device *hdev,
+		const struct hid_device_id *id)
+{
+	int ret;
+
+	ret = hid_parse(hdev);
+	if (ret)
+		return ret;
+	return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+}
+
+static struct miscdevice acc_device = {
+	.minor = MISC_DYNAMIC_MINOR,
+	.name = "usb_accessory",
+	.fops = &acc_fops,
+};
+
+static const struct hid_device_id acc_hid_table[] = {
+	{ HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) },
+	{ }
+};
+
+static struct hid_driver acc_hid_driver = {
+	.name = "USB accessory",
+	.id_table = acc_hid_table,
+	.probe = acc_hid_probe,
+};
+
+static void acc_complete_setup_noop(struct usb_ep *ep, struct usb_request *req)
+{
+	/*
+	 * Default no-op function when nothing needs to be done for the
+	 * setup request
+	 */
+}
+
+int acc_ctrlrequest(struct usb_composite_dev *cdev,
+				const struct usb_ctrlrequest *ctrl)
+{
+	struct acc_dev	*dev = get_acc_dev();
+	int	value = -EOPNOTSUPP;
+	struct acc_hid_dev *hid;
+	int offset;
+	u8 b_requestType = ctrl->bRequestType;
+	u8 b_request = ctrl->bRequest;
+	u16	w_index = le16_to_cpu(ctrl->wIndex);
+	u16	w_value = le16_to_cpu(ctrl->wValue);
+	u16	w_length = le16_to_cpu(ctrl->wLength);
+	unsigned long flags;
+
+	/*
+	 * If instance is not created which is the case in power off charging
+	 * mode, dev will be NULL. Hence return error if it is the case.
+	 */
+	if (!dev)
+		return -ENODEV;
+
+	if (b_requestType == (USB_DIR_OUT | USB_TYPE_VENDOR)) {
+		if (b_request == ACCESSORY_START) {
+			dev->start_requested = 1;
+			schedule_delayed_work(
+				&dev->start_work, msecs_to_jiffies(10));
+			value = 0;
+			cdev->req->complete = acc_complete_setup_noop;
+		} else if (b_request == ACCESSORY_SEND_STRING) {
+			schedule_work(&dev->sendstring_work);
+			dev->string_index = w_index;
+			cdev->gadget->ep0->driver_data = dev;
+			cdev->req->complete = acc_complete_set_string;
+			value = w_length;
+		} else if (b_request == ACCESSORY_SET_AUDIO_MODE &&
+				w_index == 0 && w_length == 0) {
+			dev->audio_mode = w_value;
+			cdev->req->complete = acc_complete_setup_noop;
+			value = 0;
+		} else if (b_request == ACCESSORY_REGISTER_HID) {
+			cdev->req->complete = acc_complete_setup_noop;
+			value = acc_register_hid(dev, w_value, w_index);
+		} else if (b_request == ACCESSORY_UNREGISTER_HID) {
+			cdev->req->complete = acc_complete_setup_noop;
+			value = acc_unregister_hid(dev, w_value);
+		} else if (b_request == ACCESSORY_SET_HID_REPORT_DESC) {
+			spin_lock_irqsave(&dev->lock, flags);
+			hid = acc_hid_get(&dev->new_hid_list, w_value);
+			spin_unlock_irqrestore(&dev->lock, flags);
+			if (!hid) {
+				value = -EINVAL;
+				goto err;
+			}
+			offset = w_index;
+			if (offset != hid->report_desc_offset
+				|| offset + w_length > hid->report_desc_len) {
+				value = -EINVAL;
+				goto err;
+			}
+			cdev->req->context = hid;
+			cdev->req->complete = acc_complete_set_hid_report_desc;
+			value = w_length;
+		} else if (b_request == ACCESSORY_SEND_HID_EVENT) {
+			spin_lock_irqsave(&dev->lock, flags);
+			hid = acc_hid_get(&dev->hid_list, w_value);
+			spin_unlock_irqrestore(&dev->lock, flags);
+			if (!hid) {
+				value = -EINVAL;
+				goto err;
+			}
+			cdev->req->context = hid;
+			cdev->req->complete = acc_complete_send_hid_event;
+			value = w_length;
+		}
+	} else if (b_requestType == (USB_DIR_IN | USB_TYPE_VENDOR)) {
+		if (b_request == ACCESSORY_GET_PROTOCOL) {
+			schedule_work(&dev->getprotocol_work);
+			*((u16 *)cdev->req->buf) = PROTOCOL_VERSION;
+			value = sizeof(u16);
+			cdev->req->complete = acc_complete_setup_noop;
+			/* clear any string left over from a previous session */
+			memset(dev->manufacturer, 0, sizeof(dev->manufacturer));
+			memset(dev->model, 0, sizeof(dev->model));
+			memset(dev->description, 0, sizeof(dev->description));
+			memset(dev->version, 0, sizeof(dev->version));
+			memset(dev->uri, 0, sizeof(dev->uri));
+			memset(dev->serial, 0, sizeof(dev->serial));
+			dev->start_requested = 0;
+			dev->audio_mode = 0;
+		}
+	}
+
+	if (value >= 0) {
+		cdev->req->zero = 0;
+		cdev->req->length = value;
+		value = usb_ep_queue(cdev->gadget->ep0, cdev->req, GFP_ATOMIC);
+		if (value < 0)
+			ERROR(cdev, "%s setup response queue error\n",
+				__func__);
+	}
+
+err:
+	if (value == -EOPNOTSUPP)
+		VDBG(cdev,
+			"unknown class-specific control req "
+			"%02x.%02x v%04x i%04x l%u\n",
+			ctrl->bRequestType, ctrl->bRequest,
+			w_value, w_index, w_length);
+	put_acc_dev(dev);
+	return value;
+}
+EXPORT_SYMBOL_GPL(acc_ctrlrequest);
+
+int acc_ctrlrequest_composite(struct usb_composite_dev *cdev,
+			      const struct usb_ctrlrequest *ctrl)
+{
+	u16 w_length = le16_to_cpu(ctrl->wLength);
+
+	if (w_length > USB_COMP_EP0_BUFSIZ) {
+		if (ctrl->bRequestType & USB_DIR_IN) {
+			/* Cast away the const, we are going to overwrite on purpose. */
+			__le16 *temp = (__le16 *)&ctrl->wLength;
+
+			*temp = cpu_to_le16(USB_COMP_EP0_BUFSIZ);
+			w_length = USB_COMP_EP0_BUFSIZ;
+		} else {
+			return -EINVAL;
+		}
+	}
+	return acc_ctrlrequest(cdev, ctrl);
+}
+EXPORT_SYMBOL_GPL(acc_ctrlrequest_composite);
+
+static int
+__acc_function_bind(struct usb_configuration *c,
+			struct usb_function *f, bool configfs)
+{
+	struct usb_composite_dev *cdev = c->cdev;
+	struct usb_string *us;
+	struct acc_dev	*dev = func_to_dev(f);
+	int			id;
+	int			ret;
+
+	DBG(cdev, "acc_function_bind dev: %p\n", dev);
+
+	if (configfs) {
+		us = usb_gstrings_attach(cdev, acc_strings, ARRAY_SIZE(acc_string_defs));
+		if (IS_ERR(us))
+			return PTR_ERR(us);
+		ret = us[INTERFACE_STRING_INDEX].id;
+		acc_interface_desc.iInterface = ret;
+		dev->cdev = c->cdev;
+	}
+	ret = hid_register_driver(&acc_hid_driver);
+	if (ret)
+		return ret;
+
+	dev->start_requested = 0;
+
+	/* allocate interface ID(s) */
+	id = usb_interface_id(c, f);
+	if (id < 0)
+		return id;
+	acc_interface_desc.bInterfaceNumber = id;
+
+	/* allocate endpoints */
+	ret = create_bulk_endpoints(dev, &acc_fullspeed_in_desc,
+			&acc_fullspeed_out_desc);
+	if (ret)
+		return ret;
+
+	/* support high speed hardware */
+	acc_highspeed_in_desc.bEndpointAddress =
+		acc_fullspeed_in_desc.bEndpointAddress;
+	acc_highspeed_out_desc.bEndpointAddress =
+		acc_fullspeed_out_desc.bEndpointAddress;
+
+	/* support super speed hardware */
+	acc_superspeed_in_desc.bEndpointAddress =
+		acc_fullspeed_in_desc.bEndpointAddress;
+	acc_superspeed_out_desc.bEndpointAddress =
+		acc_fullspeed_out_desc.bEndpointAddress;
+
+	/* support super speed plus hardware */
+	acc_superspeedplus_in_desc.bEndpointAddress =
+		acc_fullspeed_in_desc.bEndpointAddress;
+	acc_superspeedplus_out_desc.bEndpointAddress =
+		acc_fullspeed_out_desc.bEndpointAddress;
+
+	DBG(cdev, "%s speed %s: IN/%s, OUT/%s\n",
+			gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
+			f->name, dev->ep_in->name, dev->ep_out->name);
+	return 0;
+}
+
+static int
+acc_function_bind_configfs(struct usb_configuration *c,
+			struct usb_function *f) {
+	return __acc_function_bind(c, f, true);
+}
+
+static void
+kill_all_hid_devices(struct acc_dev *dev)
+{
+	struct acc_hid_dev *hid;
+	struct list_head *entry, *temp;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	list_for_each_safe(entry, temp, &dev->hid_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		list_del(&hid->list);
+		list_add(&hid->list, &dev->dead_hid_list);
+	}
+	list_for_each_safe(entry, temp, &dev->new_hid_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		list_del(&hid->list);
+		list_add(&hid->list, &dev->dead_hid_list);
+	}
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	schedule_work(&dev->hid_work);
+}
+
+static void
+acc_hid_unbind(struct acc_dev *dev)
+{
+	hid_unregister_driver(&acc_hid_driver);
+	kill_all_hid_devices(dev);
+}
+
+static void
+acc_function_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+	struct acc_dev	*dev = func_to_dev(f);
+	struct usb_request *req;
+	int i;
+
+	dev->online = 0;		/* clear online flag */
+	wake_up(&dev->read_wq);		/* unblock reads on closure */
+	wake_up(&dev->write_wq);	/* likewise for writes */
+
+	while ((req = req_get(dev, &dev->tx_idle)))
+		acc_request_free(req, dev->ep_in);
+	for (i = 0; i < RX_REQ_MAX; i++) {
+		acc_request_free(dev->rx_req[i], dev->ep_out);
+		dev->rx_req[i] = NULL;
+	}
+
+	acc_hid_unbind(dev);
+}
+
+static void acc_getprotocol_work(struct work_struct *data)
+{
+	char *envp[2] = { "ACCESSORY=GETPROTOCOL", NULL };
+
+	kobject_uevent_env(&acc_device.this_device->kobj, KOBJ_CHANGE, envp);
+}
+
+static void acc_sendstring_work(struct work_struct *data)
+{
+	char *envp[2] = { "ACCESSORY=SENDSTRING", NULL };
+
+	kobject_uevent_env(&acc_device.this_device->kobj, KOBJ_CHANGE, envp);
+}
+
+static void acc_start_work(struct work_struct *data)
+{
+	char *envp[2] = { "ACCESSORY=START", NULL };
+
+	kobject_uevent_env(&acc_device.this_device->kobj, KOBJ_CHANGE, envp);
+}
+
+static int acc_hid_init(struct acc_hid_dev *hdev)
+{
+	struct hid_device *hid;
+	int ret;
+
+	hid = hid_allocate_device();
+	if (IS_ERR(hid))
+		return PTR_ERR(hid);
+
+	hid->ll_driver = &acc_hid_ll_driver;
+	hid->dev.parent = acc_device.this_device;
+
+	hid->bus = BUS_USB;
+	hid->vendor = HID_ANY_ID;
+	hid->product = HID_ANY_ID;
+	hid->driver_data = hdev;
+	ret = hid_add_device(hid);
+	if (ret) {
+		pr_err("can't add hid device: %d\n", ret);
+		hid_destroy_device(hid);
+		return ret;
+	}
+
+	hdev->hid = hid;
+	return 0;
+}
+
+static void acc_hid_delete(struct acc_hid_dev *hid)
+{
+	kfree(hid->report_desc);
+	kfree(hid);
+}
+
+static void acc_hid_work(struct work_struct *data)
+{
+	struct acc_dev *dev = get_acc_dev();
+	struct list_head	*entry, *temp;
+	struct acc_hid_dev *hid;
+	struct list_head	new_list, dead_list;
+	unsigned long flags;
+
+	if (!dev)
+		return;
+
+	INIT_LIST_HEAD(&new_list);
+
+	spin_lock_irqsave(&dev->lock, flags);
+
+	/* copy hids that are ready for initialization to new_list */
+	list_for_each_safe(entry, temp, &dev->new_hid_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		if (hid->report_desc_offset == hid->report_desc_len)
+			list_move(&hid->list, &new_list);
+	}
+
+	if (list_empty(&dev->dead_hid_list)) {
+		INIT_LIST_HEAD(&dead_list);
+	} else {
+		/* move all of dev->dead_hid_list to dead_list */
+		dead_list.prev = dev->dead_hid_list.prev;
+		dead_list.next = dev->dead_hid_list.next;
+		dead_list.next->prev = &dead_list;
+		dead_list.prev->next = &dead_list;
+		INIT_LIST_HEAD(&dev->dead_hid_list);
+	}
+
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	/* register new HID devices */
+	list_for_each_safe(entry, temp, &new_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		if (acc_hid_init(hid)) {
+			pr_err("can't add HID device %p\n", hid);
+			acc_hid_delete(hid);
+		} else {
+			spin_lock_irqsave(&dev->lock, flags);
+			list_move(&hid->list, &dev->hid_list);
+			spin_unlock_irqrestore(&dev->lock, flags);
+		}
+	}
+
+	/* remove dead HID devices */
+	list_for_each_safe(entry, temp, &dead_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		list_del(&hid->list);
+		if (hid->hid)
+			hid_destroy_device(hid->hid);
+		acc_hid_delete(hid);
+	}
+
+	put_acc_dev(dev);
+}
+
+static int acc_function_set_alt(struct usb_function *f,
+		unsigned intf, unsigned alt)
+{
+	struct acc_dev	*dev = func_to_dev(f);
+	struct usb_composite_dev *cdev = f->config->cdev;
+	int ret;
+
+	DBG(cdev, "acc_function_set_alt intf: %d alt: %d\n", intf, alt);
+
+	ret = config_ep_by_speed(cdev->gadget, f, dev->ep_in);
+	if (ret)
+		return ret;
+
+	ret = usb_ep_enable(dev->ep_in);
+	if (ret)
+		return ret;
+
+	ret = config_ep_by_speed(cdev->gadget, f, dev->ep_out);
+	if (ret)
+		return ret;
+
+	ret = usb_ep_enable(dev->ep_out);
+	if (ret) {
+		usb_ep_disable(dev->ep_in);
+		return ret;
+	}
+
+	dev->online = 1;
+	dev->disconnected = 0; /* if online then not disconnected */
+
+	/* readers may be blocked waiting for us to go online */
+	wake_up(&dev->read_wq);
+	return 0;
+}
+
+static void acc_function_disable(struct usb_function *f)
+{
+	struct acc_dev	*dev = func_to_dev(f);
+	struct usb_composite_dev	*cdev = dev->cdev;
+
+	DBG(cdev, "acc_function_disable\n");
+	acc_set_disconnected(dev); /* this now only sets disconnected */
+	dev->online = 0; /* so now need to clear online flag here too */
+	usb_ep_disable(dev->ep_in);
+	usb_ep_disable(dev->ep_out);
+
+	/* readers may be blocked waiting for us to go online */
+	wake_up(&dev->read_wq);
+
+	VDBG(cdev, "%s disabled\n", dev->function.name);
+}
+
+static int acc_setup(void)
+{
+	struct acc_dev_ref *ref = &_acc_dev_ref;
+	struct acc_dev *dev;
+	int ret;
+
+	if (kref_read(&ref->kref))
+		return -EBUSY;
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+
+	spin_lock_init(&dev->lock);
+	init_waitqueue_head(&dev->read_wq);
+	init_waitqueue_head(&dev->write_wq);
+	atomic_set(&dev->open_excl, 0);
+	INIT_LIST_HEAD(&dev->tx_idle);
+	INIT_LIST_HEAD(&dev->hid_list);
+	INIT_LIST_HEAD(&dev->new_hid_list);
+	INIT_LIST_HEAD(&dev->dead_hid_list);
+	INIT_DELAYED_WORK(&dev->start_work, acc_start_work);
+	INIT_WORK(&dev->hid_work, acc_hid_work);
+	INIT_WORK(&dev->getprotocol_work, acc_getprotocol_work);
+	INIT_WORK(&dev->sendstring_work, acc_sendstring_work);
+
+	dev->ref = ref;
+	if (cmpxchg_relaxed(&ref->acc_dev, NULL, dev)) {
+		ret = -EBUSY;
+		goto err_free_dev;
+	}
+
+	ret = misc_register(&acc_device);
+	if (ret)
+		goto err_zap_ptr;
+
+	kref_init(&ref->kref);
+	return 0;
+
+err_zap_ptr:
+	ref->acc_dev = NULL;
+err_free_dev:
+	kfree(dev);
+	pr_err("USB accessory gadget driver failed to initialize\n");
+	return ret;
+}
+
+void acc_disconnect(void)
+{
+	struct acc_dev *dev = get_acc_dev();
+
+	if (!dev)
+		return;
+
+	/* unregister all HID devices if USB is disconnected */
+	kill_all_hid_devices(dev);
+	put_acc_dev(dev);
+}
+EXPORT_SYMBOL_GPL(acc_disconnect);
+
+static void acc_cleanup(void)
+{
+	struct acc_dev *dev = get_acc_dev();
+
+	misc_deregister(&acc_device);
+	put_acc_dev(dev);
+	put_acc_dev(dev); /* Pairs with kref_init() in acc_setup() */
+}
+static struct acc_instance *to_acc_instance(struct config_item *item)
+{
+	return container_of(to_config_group(item), struct acc_instance,
+		func_inst.group);
+}
+
+static void acc_attr_release(struct config_item *item)
+{
+	struct acc_instance *fi_acc = to_acc_instance(item);
+
+	usb_put_function_instance(&fi_acc->func_inst);
+}
+
+static struct configfs_item_operations acc_item_ops = {
+	.release        = acc_attr_release,
+};
+
+static struct config_item_type acc_func_type = {
+	.ct_item_ops    = &acc_item_ops,
+	.ct_owner       = THIS_MODULE,
+};
+
+static struct acc_instance *to_fi_acc(struct usb_function_instance *fi)
+{
+	return container_of(fi, struct acc_instance, func_inst);
+}
+
+static int acc_set_inst_name(struct usb_function_instance *fi, const char *name)
+{
+	struct acc_instance *fi_acc;
+	char *ptr;
+	int name_len;
+
+	name_len = strlen(name) + 1;
+	if (name_len > MAX_INST_NAME_LEN)
+		return -ENAMETOOLONG;
+
+	ptr = kstrndup(name, name_len, GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	fi_acc = to_fi_acc(fi);
+	fi_acc->name = ptr;
+	return 0;
+}
+
+static void acc_free_inst(struct usb_function_instance *fi)
+{
+	struct acc_instance *fi_acc;
+
+	fi_acc = to_fi_acc(fi);
+	kfree(fi_acc->name);
+	acc_cleanup();
+}
+
+static struct usb_function_instance *acc_alloc_inst(void)
+{
+	struct acc_instance *fi_acc;
+	int err;
+
+	fi_acc = kzalloc(sizeof(*fi_acc), GFP_KERNEL);
+	if (!fi_acc)
+		return ERR_PTR(-ENOMEM);
+	fi_acc->func_inst.set_inst_name = acc_set_inst_name;
+	fi_acc->func_inst.free_func_inst = acc_free_inst;
+
+	err = acc_setup();
+	if (err) {
+		kfree(fi_acc);
+		return ERR_PTR(err);
+	}
+
+	config_group_init_type_name(&fi_acc->func_inst.group,
+					"", &acc_func_type);
+	return  &fi_acc->func_inst;
+}
+
+static void acc_free(struct usb_function *f)
+{
+	struct acc_dev *dev = func_to_dev(f);
+
+	put_acc_dev(dev);
+}
+
+int acc_ctrlrequest_configfs(struct usb_function *f,
+			const struct usb_ctrlrequest *ctrl) {
+	if (f->config != NULL && f->config->cdev != NULL)
+		return acc_ctrlrequest(f->config->cdev, ctrl);
+	else
+		return -1;
+}
+
+static struct usb_function *acc_alloc(struct usb_function_instance *fi)
+{
+	struct acc_dev *dev = get_acc_dev();
+
+	dev->function.name = "accessory";
+	dev->function.strings = acc_strings,
+	dev->function.fs_descriptors = fs_acc_descs;
+	dev->function.hs_descriptors = hs_acc_descs;
+	dev->function.ss_descriptors = ss_acc_descs;
+	dev->function.ssp_descriptors = ssp_acc_descs;
+	dev->function.bind = acc_function_bind_configfs;
+	dev->function.unbind = acc_function_unbind;
+	dev->function.set_alt = acc_function_set_alt;
+	dev->function.disable = acc_function_disable;
+	dev->function.free_func = acc_free;
+	dev->function.setup = acc_ctrlrequest_configfs;
+
+	return &dev->function;
+}
+DECLARE_USB_FUNCTION_INIT(accessory, acc_alloc_inst, acc_alloc);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/function/f_audio_source.c b/drivers/usb/gadget/function/f_audio_source.c
new file mode 100644
index 0000000..c768a52
--- /dev/null
+++ b/drivers/usb/gadget/function/f_audio_source.c
@@ -0,0 +1,1071 @@
+/*
+ * Gadget Function Driver for USB audio source device
+ *
+ * Copyright (C) 2012 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/usb/audio.h>
+#include <linux/wait.h>
+#include <linux/pm_qos.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+
+#include <linux/usb.h>
+#include <linux/usb_usual.h>
+#include <linux/usb/ch9.h>
+#include <linux/configfs.h>
+#include <linux/usb/composite.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#define SAMPLE_RATE 44100
+#define FRAMES_PER_MSEC (SAMPLE_RATE / 1000)
+
+#define IN_EP_MAX_PACKET_SIZE 256
+
+/* Number of requests to allocate */
+#define IN_EP_REQ_COUNT 4
+
+#define AUDIO_AC_INTERFACE	0
+#define AUDIO_AS_INTERFACE	1
+#define AUDIO_NUM_INTERFACES	2
+#define MAX_INST_NAME_LEN     40
+
+/* B.3.1  Standard AC Interface Descriptor */
+static struct usb_interface_descriptor ac_interface_desc = {
+	.bLength =		USB_DT_INTERFACE_SIZE,
+	.bDescriptorType =	USB_DT_INTERFACE,
+	.bNumEndpoints =	0,
+	.bInterfaceClass =	USB_CLASS_AUDIO,
+	.bInterfaceSubClass =	USB_SUBCLASS_AUDIOCONTROL,
+};
+
+DECLARE_UAC_AC_HEADER_DESCRIPTOR(2);
+
+#define UAC_DT_AC_HEADER_LENGTH	UAC_DT_AC_HEADER_SIZE(AUDIO_NUM_INTERFACES)
+/* 1 input terminal, 1 output terminal and 1 feature unit */
+#define UAC_DT_TOTAL_LENGTH (UAC_DT_AC_HEADER_LENGTH \
+	+ UAC_DT_INPUT_TERMINAL_SIZE + UAC_DT_OUTPUT_TERMINAL_SIZE \
+	+ UAC_DT_FEATURE_UNIT_SIZE(0))
+/* B.3.2  Class-Specific AC Interface Descriptor */
+static struct uac1_ac_header_descriptor_2 ac_header_desc = {
+	.bLength =		UAC_DT_AC_HEADER_LENGTH,
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_HEADER,
+	.bcdADC =		__constant_cpu_to_le16(0x0100),
+	.wTotalLength =		__constant_cpu_to_le16(UAC_DT_TOTAL_LENGTH),
+	.bInCollection =	AUDIO_NUM_INTERFACES,
+	.baInterfaceNr = {
+		[0] =		AUDIO_AC_INTERFACE,
+		[1] =		AUDIO_AS_INTERFACE,
+	}
+};
+
+#define INPUT_TERMINAL_ID	1
+static struct uac_input_terminal_descriptor input_terminal_desc = {
+	.bLength =		UAC_DT_INPUT_TERMINAL_SIZE,
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_INPUT_TERMINAL,
+	.bTerminalID =		INPUT_TERMINAL_ID,
+	.wTerminalType =	UAC_INPUT_TERMINAL_MICROPHONE,
+	.bAssocTerminal =	0,
+	.wChannelConfig =	0x3,
+};
+
+DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(0);
+
+#define FEATURE_UNIT_ID		2
+static struct uac_feature_unit_descriptor_0 feature_unit_desc = {
+	.bLength		= UAC_DT_FEATURE_UNIT_SIZE(0),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype	= UAC_FEATURE_UNIT,
+	.bUnitID		= FEATURE_UNIT_ID,
+	.bSourceID		= INPUT_TERMINAL_ID,
+	.bControlSize		= 2,
+};
+
+#define OUTPUT_TERMINAL_ID	3
+static struct uac1_output_terminal_descriptor output_terminal_desc = {
+	.bLength		= UAC_DT_OUTPUT_TERMINAL_SIZE,
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype	= UAC_OUTPUT_TERMINAL,
+	.bTerminalID		= OUTPUT_TERMINAL_ID,
+	.wTerminalType		= UAC_TERMINAL_STREAMING,
+	.bAssocTerminal		= FEATURE_UNIT_ID,
+	.bSourceID		= FEATURE_UNIT_ID,
+};
+
+/* B.4.1  Standard AS Interface Descriptor */
+static struct usb_interface_descriptor as_interface_alt_0_desc = {
+	.bLength =		USB_DT_INTERFACE_SIZE,
+	.bDescriptorType =	USB_DT_INTERFACE,
+	.bAlternateSetting =	0,
+	.bNumEndpoints =	0,
+	.bInterfaceClass =	USB_CLASS_AUDIO,
+	.bInterfaceSubClass =	USB_SUBCLASS_AUDIOSTREAMING,
+};
+
+static struct usb_interface_descriptor as_interface_alt_1_desc = {
+	.bLength =		USB_DT_INTERFACE_SIZE,
+	.bDescriptorType =	USB_DT_INTERFACE,
+	.bAlternateSetting =	1,
+	.bNumEndpoints =	1,
+	.bInterfaceClass =	USB_CLASS_AUDIO,
+	.bInterfaceSubClass =	USB_SUBCLASS_AUDIOSTREAMING,
+};
+
+/* B.4.2  Class-Specific AS Interface Descriptor */
+static struct uac1_as_header_descriptor as_header_desc = {
+	.bLength =		UAC_DT_AS_HEADER_SIZE,
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_AS_GENERAL,
+	.bTerminalLink =	INPUT_TERMINAL_ID,
+	.bDelay =		1,
+	.wFormatTag =		UAC_FORMAT_TYPE_I_PCM,
+};
+
+DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(1);
+
+static struct uac_format_type_i_discrete_descriptor_1 as_type_i_desc = {
+	.bLength =		UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(1),
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_FORMAT_TYPE,
+	.bFormatType =		UAC_FORMAT_TYPE_I,
+	.bSubframeSize =	2,
+	.bBitResolution =	16,
+	.bSamFreqType =		1,
+};
+
+/* Standard ISO IN Endpoint Descriptor for highspeed */
+static struct usb_endpoint_descriptor hs_as_in_ep_desc  = {
+	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+	.bEndpointAddress =	USB_DIR_IN,
+	.bmAttributes =		USB_ENDPOINT_SYNC_SYNC
+				| USB_ENDPOINT_XFER_ISOC,
+	.wMaxPacketSize =	__constant_cpu_to_le16(IN_EP_MAX_PACKET_SIZE),
+	.bInterval =		4, /* poll 1 per millisecond */
+};
+
+/* Standard ISO IN Endpoint Descriptor for highspeed */
+static struct usb_endpoint_descriptor fs_as_in_ep_desc  = {
+	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+	.bEndpointAddress =	USB_DIR_IN,
+	.bmAttributes =		USB_ENDPOINT_SYNC_SYNC
+				| USB_ENDPOINT_XFER_ISOC,
+	.wMaxPacketSize =	__constant_cpu_to_le16(IN_EP_MAX_PACKET_SIZE),
+	.bInterval =		1, /* poll 1 per millisecond */
+};
+
+/* Class-specific AS ISO OUT Endpoint Descriptor */
+static struct uac_iso_endpoint_descriptor as_iso_in_desc = {
+	.bLength =		UAC_ISO_ENDPOINT_DESC_SIZE,
+	.bDescriptorType =	USB_DT_CS_ENDPOINT,
+	.bDescriptorSubtype =	UAC_EP_GENERAL,
+	.bmAttributes =		1,
+	.bLockDelayUnits =	1,
+	.wLockDelay =		__constant_cpu_to_le16(1),
+};
+
+static struct usb_descriptor_header *hs_audio_desc[] = {
+	(struct usb_descriptor_header *)&ac_interface_desc,
+	(struct usb_descriptor_header *)&ac_header_desc,
+
+	(struct usb_descriptor_header *)&input_terminal_desc,
+	(struct usb_descriptor_header *)&output_terminal_desc,
+	(struct usb_descriptor_header *)&feature_unit_desc,
+
+	(struct usb_descriptor_header *)&as_interface_alt_0_desc,
+	(struct usb_descriptor_header *)&as_interface_alt_1_desc,
+	(struct usb_descriptor_header *)&as_header_desc,
+
+	(struct usb_descriptor_header *)&as_type_i_desc,
+
+	(struct usb_descriptor_header *)&hs_as_in_ep_desc,
+	(struct usb_descriptor_header *)&as_iso_in_desc,
+	NULL,
+};
+
+static struct usb_descriptor_header *fs_audio_desc[] = {
+	(struct usb_descriptor_header *)&ac_interface_desc,
+	(struct usb_descriptor_header *)&ac_header_desc,
+
+	(struct usb_descriptor_header *)&input_terminal_desc,
+	(struct usb_descriptor_header *)&output_terminal_desc,
+	(struct usb_descriptor_header *)&feature_unit_desc,
+
+	(struct usb_descriptor_header *)&as_interface_alt_0_desc,
+	(struct usb_descriptor_header *)&as_interface_alt_1_desc,
+	(struct usb_descriptor_header *)&as_header_desc,
+
+	(struct usb_descriptor_header *)&as_type_i_desc,
+
+	(struct usb_descriptor_header *)&fs_as_in_ep_desc,
+	(struct usb_descriptor_header *)&as_iso_in_desc,
+	NULL,
+};
+
+static struct snd_pcm_hardware audio_hw_info = {
+	.info =			SNDRV_PCM_INFO_MMAP |
+				SNDRV_PCM_INFO_MMAP_VALID |
+				SNDRV_PCM_INFO_BATCH |
+				SNDRV_PCM_INFO_INTERLEAVED |
+				SNDRV_PCM_INFO_BLOCK_TRANSFER,
+
+	.formats		= SNDRV_PCM_FMTBIT_S16_LE,
+	.channels_min		= 2,
+	.channels_max		= 2,
+	.rate_min		= SAMPLE_RATE,
+	.rate_max		= SAMPLE_RATE,
+
+	.buffer_bytes_max =	1024 * 1024,
+	.period_bytes_min =	64,
+	.period_bytes_max =	512 * 1024,
+	.periods_min =		2,
+	.periods_max =		1024,
+};
+
+/*-------------------------------------------------------------------------*/
+
+struct audio_source_config {
+	int	card;
+	int	device;
+};
+
+struct audio_dev {
+	struct usb_function		func;
+	struct snd_card			*card;
+	struct snd_pcm			*pcm;
+	struct snd_pcm_substream *substream;
+
+	struct list_head		idle_reqs;
+	struct usb_ep			*in_ep;
+
+	spinlock_t			lock;
+
+	/* beginning, end and current position in our buffer */
+	void				*buffer_start;
+	void				*buffer_end;
+	void				*buffer_pos;
+
+	/* byte size of a "period" */
+	unsigned int			period;
+	/* bytes sent since last call to snd_pcm_period_elapsed */
+	unsigned int			period_offset;
+	/* time we started playing */
+	ktime_t				start_time;
+	/* number of frames sent since start_time */
+	s64				frames_sent;
+	struct audio_source_config	*config;
+	/* for creating and issuing QoS requests */
+	struct pm_qos_request pm_qos;
+};
+
+static inline struct audio_dev *func_to_audio(struct usb_function *f)
+{
+	return container_of(f, struct audio_dev, func);
+}
+
+/*-------------------------------------------------------------------------*/
+
+struct audio_source_instance {
+	struct usb_function_instance func_inst;
+	const char *name;
+	struct audio_source_config *config;
+	struct device *audio_device;
+};
+
+static void audio_source_attr_release(struct config_item *item);
+
+static struct configfs_item_operations audio_source_item_ops = {
+	.release        = audio_source_attr_release,
+};
+
+static struct config_item_type audio_source_func_type = {
+	.ct_item_ops    = &audio_source_item_ops,
+	.ct_owner       = THIS_MODULE,
+};
+
+static ssize_t audio_source_pcm_show(struct device *dev,
+		struct device_attribute *attr, char *buf);
+
+static DEVICE_ATTR(pcm, S_IRUGO, audio_source_pcm_show, NULL);
+
+static struct device_attribute *audio_source_function_attributes[] = {
+	&dev_attr_pcm,
+	NULL
+};
+
+/*--------------------------------------------------------------------------*/
+
+static struct usb_request *audio_request_new(struct usb_ep *ep, int buffer_size)
+{
+	struct usb_request *req = usb_ep_alloc_request(ep, GFP_KERNEL);
+
+	if (!req)
+		return NULL;
+
+	req->buf = kmalloc(buffer_size, GFP_KERNEL);
+	if (!req->buf) {
+		usb_ep_free_request(ep, req);
+		return NULL;
+	}
+	req->length = buffer_size;
+	return req;
+}
+
+static void audio_request_free(struct usb_request *req, struct usb_ep *ep)
+{
+	if (req) {
+		kfree(req->buf);
+		usb_ep_free_request(ep, req);
+	}
+}
+
+static void audio_req_put(struct audio_dev *audio, struct usb_request *req)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&audio->lock, flags);
+	list_add_tail(&req->list, &audio->idle_reqs);
+	spin_unlock_irqrestore(&audio->lock, flags);
+}
+
+static struct usb_request *audio_req_get(struct audio_dev *audio)
+{
+	unsigned long flags;
+	struct usb_request *req;
+
+	spin_lock_irqsave(&audio->lock, flags);
+	if (list_empty(&audio->idle_reqs)) {
+		req = 0;
+	} else {
+		req = list_first_entry(&audio->idle_reqs, struct usb_request,
+				list);
+		list_del(&req->list);
+	}
+	spin_unlock_irqrestore(&audio->lock, flags);
+	return req;
+}
+
+/* send the appropriate number of packets to match our bitrate */
+static void audio_send(struct audio_dev *audio)
+{
+	struct snd_pcm_runtime *runtime;
+	struct usb_request *req;
+	int length, length1, length2, ret;
+	s64 msecs;
+	s64 frames;
+	ktime_t now;
+
+	/* audio->substream will be null if we have been closed */
+	if (!audio->substream)
+		return;
+	/* audio->buffer_pos will be null if we have been stopped */
+	if (!audio->buffer_pos)
+		return;
+
+	runtime = audio->substream->runtime;
+
+	/* compute number of frames to send */
+	now = ktime_get();
+	msecs = div_s64((ktime_to_ns(now) - ktime_to_ns(audio->start_time)),
+			1000000);
+	frames = div_s64((msecs * SAMPLE_RATE), 1000);
+
+	/* Readjust our frames_sent if we fall too far behind.
+	 * If we get too far behind it is better to drop some frames than
+	 * to keep sending data too fast in an attempt to catch up.
+	 */
+	if (frames - audio->frames_sent > 10 * FRAMES_PER_MSEC)
+		audio->frames_sent = frames - FRAMES_PER_MSEC;
+
+	frames -= audio->frames_sent;
+
+	/* We need to send something to keep the pipeline going */
+	if (frames <= 0)
+		frames = FRAMES_PER_MSEC;
+
+	while (frames > 0) {
+		req = audio_req_get(audio);
+		if (!req)
+			break;
+
+		length = frames_to_bytes(runtime, frames);
+		if (length > IN_EP_MAX_PACKET_SIZE)
+			length = IN_EP_MAX_PACKET_SIZE;
+
+		if (audio->buffer_pos + length > audio->buffer_end)
+			length1 = audio->buffer_end - audio->buffer_pos;
+		else
+			length1 = length;
+		memcpy(req->buf, audio->buffer_pos, length1);
+		if (length1 < length) {
+			/* Wrap around and copy remaining length
+			 * at beginning of buffer.
+			 */
+			length2 = length - length1;
+			memcpy(req->buf + length1, audio->buffer_start,
+					length2);
+			audio->buffer_pos = audio->buffer_start + length2;
+		} else {
+			audio->buffer_pos += length1;
+			if (audio->buffer_pos >= audio->buffer_end)
+				audio->buffer_pos = audio->buffer_start;
+		}
+
+		req->length = length;
+		ret = usb_ep_queue(audio->in_ep, req, GFP_ATOMIC);
+		if (ret < 0) {
+			pr_err("usb_ep_queue failed ret: %d\n", ret);
+			audio_req_put(audio, req);
+			break;
+		}
+
+		frames -= bytes_to_frames(runtime, length);
+		audio->frames_sent += bytes_to_frames(runtime, length);
+	}
+}
+
+static void audio_control_complete(struct usb_ep *ep, struct usb_request *req)
+{
+	/* nothing to do here */
+}
+
+static void audio_data_complete(struct usb_ep *ep, struct usb_request *req)
+{
+	struct audio_dev *audio = req->context;
+
+	pr_debug("audio_data_complete req->status %d req->actual %d\n",
+		req->status, req->actual);
+
+	audio_req_put(audio, req);
+
+	if (!audio->buffer_start || req->status)
+		return;
+
+	audio->period_offset += req->actual;
+	if (audio->period_offset >= audio->period) {
+		snd_pcm_period_elapsed(audio->substream);
+		audio->period_offset = 0;
+	}
+	audio_send(audio);
+}
+
+static int audio_set_endpoint_req(struct usb_function *f,
+		const struct usb_ctrlrequest *ctrl)
+{
+	int value = -EOPNOTSUPP;
+	u16 ep = le16_to_cpu(ctrl->wIndex);
+	u16 len = le16_to_cpu(ctrl->wLength);
+	u16 w_value = le16_to_cpu(ctrl->wValue);
+
+	pr_debug("bRequest 0x%x, w_value 0x%04x, len %d, endpoint %d\n",
+			ctrl->bRequest, w_value, len, ep);
+
+	switch (ctrl->bRequest) {
+	case UAC_SET_CUR:
+	case UAC_SET_MIN:
+	case UAC_SET_MAX:
+	case UAC_SET_RES:
+		value = len;
+		break;
+	default:
+		break;
+	}
+
+	return value;
+}
+
+static int audio_get_endpoint_req(struct usb_function *f,
+		const struct usb_ctrlrequest *ctrl)
+{
+	struct usb_composite_dev *cdev = f->config->cdev;
+	int value = -EOPNOTSUPP;
+	u8 ep = ((le16_to_cpu(ctrl->wIndex) >> 8) & 0xFF);
+	u16 len = le16_to_cpu(ctrl->wLength);
+	u16 w_value = le16_to_cpu(ctrl->wValue);
+	u8 *buf = cdev->req->buf;
+
+	pr_debug("bRequest 0x%x, w_value 0x%04x, len %d, endpoint %d\n",
+			ctrl->bRequest, w_value, len, ep);
+
+	if (w_value == UAC_EP_CS_ATTR_SAMPLE_RATE << 8) {
+		switch (ctrl->bRequest) {
+		case UAC_GET_CUR:
+		case UAC_GET_MIN:
+		case UAC_GET_MAX:
+		case UAC_GET_RES:
+			/* return our sample rate */
+			buf[0] = (u8)SAMPLE_RATE;
+			buf[1] = (u8)(SAMPLE_RATE >> 8);
+			buf[2] = (u8)(SAMPLE_RATE >> 16);
+			value = 3;
+			break;
+		default:
+			break;
+		}
+	}
+
+	return value;
+}
+
+static int
+audio_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
+{
+	struct usb_composite_dev *cdev = f->config->cdev;
+	struct usb_request *req = cdev->req;
+	int value = -EOPNOTSUPP;
+	u16 w_index = le16_to_cpu(ctrl->wIndex);
+	u16 w_value = le16_to_cpu(ctrl->wValue);
+	u16 w_length = le16_to_cpu(ctrl->wLength);
+
+	/* composite driver infrastructure handles everything; interface
+	 * activation uses set_alt().
+	 */
+	switch (ctrl->bRequestType) {
+	case USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT:
+		value = audio_set_endpoint_req(f, ctrl);
+		break;
+
+	case USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT:
+		value = audio_get_endpoint_req(f, ctrl);
+		break;
+	}
+
+	/* respond with data transfer or status phase? */
+	if (value >= 0) {
+		pr_debug("audio req%02x.%02x v%04x i%04x l%d\n",
+			ctrl->bRequestType, ctrl->bRequest,
+			w_value, w_index, w_length);
+		req->zero = 0;
+		req->length = value;
+		req->complete = audio_control_complete;
+		value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC);
+		if (value < 0)
+			pr_err("audio response on err %d\n", value);
+	}
+
+	/* device either stalls (value < 0) or reports success */
+	return value;
+}
+
+static int audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+{
+	struct audio_dev *audio = func_to_audio(f);
+	struct usb_composite_dev *cdev = f->config->cdev;
+	int ret;
+
+	pr_debug("audio_set_alt intf %d, alt %d\n", intf, alt);
+
+	ret = config_ep_by_speed(cdev->gadget, f, audio->in_ep);
+	if (ret)
+		return ret;
+
+	usb_ep_enable(audio->in_ep);
+	return 0;
+}
+
+static void audio_disable(struct usb_function *f)
+{
+	struct audio_dev	*audio = func_to_audio(f);
+
+	pr_debug("audio_disable\n");
+	usb_ep_disable(audio->in_ep);
+}
+
+static void audio_free_func(struct usb_function *f)
+{
+	/* no-op */
+}
+
+/*-------------------------------------------------------------------------*/
+
+static void audio_build_desc(struct audio_dev *audio)
+{
+	u8 *sam_freq;
+	int rate;
+
+	/* Set channel numbers */
+	input_terminal_desc.bNrChannels = 2;
+	as_type_i_desc.bNrChannels = 2;
+
+	/* Set sample rates */
+	rate = SAMPLE_RATE;
+	sam_freq = as_type_i_desc.tSamFreq[0];
+	memcpy(sam_freq, &rate, 3);
+}
+
+
+static int snd_card_setup(struct usb_configuration *c,
+	struct audio_source_config *config);
+static struct audio_source_instance *to_fi_audio_source(
+	const struct usb_function_instance *fi);
+
+
+/* audio function driver setup/binding */
+static int
+audio_bind(struct usb_configuration *c, struct usb_function *f)
+{
+	struct usb_composite_dev *cdev = c->cdev;
+	struct audio_dev *audio = func_to_audio(f);
+	int status;
+	struct usb_ep *ep;
+	struct usb_request *req;
+	int i;
+	int err;
+
+	if (IS_ENABLED(CONFIG_USB_CONFIGFS)) {
+		struct audio_source_instance *fi_audio =
+				to_fi_audio_source(f->fi);
+		struct audio_source_config *config =
+				fi_audio->config;
+
+		err = snd_card_setup(c, config);
+		if (err)
+			return err;
+	}
+
+	audio_build_desc(audio);
+
+	/* allocate instance-specific interface IDs, and patch descriptors */
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	ac_interface_desc.bInterfaceNumber = status;
+
+	/* AUDIO_AC_INTERFACE */
+	ac_header_desc.baInterfaceNr[0] = status;
+
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	as_interface_alt_0_desc.bInterfaceNumber = status;
+	as_interface_alt_1_desc.bInterfaceNumber = status;
+
+	/* AUDIO_AS_INTERFACE */
+	ac_header_desc.baInterfaceNr[1] = status;
+
+	status = -ENODEV;
+
+	/* allocate our endpoint */
+	ep = usb_ep_autoconfig(cdev->gadget, &fs_as_in_ep_desc);
+	if (!ep)
+		goto fail;
+	audio->in_ep = ep;
+	ep->driver_data = audio; /* claim */
+
+	if (gadget_is_dualspeed(c->cdev->gadget))
+		hs_as_in_ep_desc.bEndpointAddress =
+			fs_as_in_ep_desc.bEndpointAddress;
+
+	f->fs_descriptors = fs_audio_desc;
+	f->hs_descriptors = hs_audio_desc;
+
+	for (i = 0, status = 0; i < IN_EP_REQ_COUNT && status == 0; i++) {
+		req = audio_request_new(ep, IN_EP_MAX_PACKET_SIZE);
+		if (req) {
+			req->context = audio;
+			req->complete = audio_data_complete;
+			audio_req_put(audio, req);
+		} else
+			status = -ENOMEM;
+	}
+
+fail:
+	return status;
+}
+
+static void
+audio_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+	struct audio_dev *audio = func_to_audio(f);
+	struct usb_request *req;
+
+	while ((req = audio_req_get(audio)))
+		audio_request_free(req, audio->in_ep);
+
+	snd_card_free_when_closed(audio->card);
+	audio->card = NULL;
+	audio->pcm = NULL;
+	audio->substream = NULL;
+	audio->in_ep = NULL;
+
+	if (IS_ENABLED(CONFIG_USB_CONFIGFS)) {
+		struct audio_source_instance *fi_audio =
+				to_fi_audio_source(f->fi);
+		struct audio_source_config *config =
+				fi_audio->config;
+
+		config->card = -1;
+		config->device = -1;
+	}
+}
+
+static void audio_pcm_playback_start(struct audio_dev *audio)
+{
+	audio->start_time = ktime_get();
+	audio->frames_sent = 0;
+	audio_send(audio);
+}
+
+static void audio_pcm_playback_stop(struct audio_dev *audio)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&audio->lock, flags);
+	audio->buffer_start = 0;
+	audio->buffer_end = 0;
+	audio->buffer_pos = 0;
+	spin_unlock_irqrestore(&audio->lock, flags);
+}
+
+static int audio_pcm_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct audio_dev *audio = substream->private_data;
+
+	runtime->private_data = audio;
+	runtime->hw = audio_hw_info;
+	snd_pcm_limit_hw_rates(runtime);
+	runtime->hw.channels_max = 2;
+
+	audio->substream = substream;
+
+	/* Add the QoS request and set the latency to 0 */
+	cpu_latency_qos_add_request(&audio->pm_qos, 0);
+
+	return 0;
+}
+
+static int audio_pcm_close(struct snd_pcm_substream *substream)
+{
+	struct audio_dev *audio = substream->private_data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&audio->lock, flags);
+
+	/* Remove the QoS request */
+	cpu_latency_qos_remove_request(&audio->pm_qos);
+
+	audio->substream = NULL;
+	spin_unlock_irqrestore(&audio->lock, flags);
+
+	return 0;
+}
+
+static int audio_pcm_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params)
+{
+	unsigned int channels = params_channels(params);
+	unsigned int rate = params_rate(params);
+
+	if (rate != SAMPLE_RATE)
+		return -EINVAL;
+	if (channels != 2)
+		return -EINVAL;
+
+	return snd_pcm_lib_alloc_vmalloc_buffer(substream,
+		params_buffer_bytes(params));
+}
+
+static int audio_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+	return snd_pcm_lib_free_vmalloc_buffer(substream);
+}
+
+static int audio_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct audio_dev *audio = runtime->private_data;
+
+	audio->period = snd_pcm_lib_period_bytes(substream);
+	audio->period_offset = 0;
+	audio->buffer_start = runtime->dma_area;
+	audio->buffer_end = audio->buffer_start
+		+ snd_pcm_lib_buffer_bytes(substream);
+	audio->buffer_pos = audio->buffer_start;
+
+	return 0;
+}
+
+static snd_pcm_uframes_t audio_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct audio_dev *audio = runtime->private_data;
+	ssize_t bytes = audio->buffer_pos - audio->buffer_start;
+
+	/* return offset of next frame to fill in our buffer */
+	return bytes_to_frames(runtime, bytes);
+}
+
+static int audio_pcm_playback_trigger(struct snd_pcm_substream *substream,
+					int cmd)
+{
+	struct audio_dev *audio = substream->runtime->private_data;
+	int ret = 0;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+		audio_pcm_playback_start(audio);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		audio_pcm_playback_stop(audio);
+		break;
+
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static struct audio_dev _audio_dev = {
+	.func = {
+		.name = "audio_source",
+		.bind = audio_bind,
+		.unbind = audio_unbind,
+		.set_alt = audio_set_alt,
+		.setup = audio_setup,
+		.disable = audio_disable,
+		.free_func = audio_free_func,
+	},
+	.lock = __SPIN_LOCK_UNLOCKED(_audio_dev.lock),
+	.idle_reqs = LIST_HEAD_INIT(_audio_dev.idle_reqs),
+};
+
+static struct snd_pcm_ops audio_playback_ops = {
+	.open		= audio_pcm_open,
+	.close		= audio_pcm_close,
+	.ioctl		= snd_pcm_lib_ioctl,
+	.hw_params	= audio_pcm_hw_params,
+	.hw_free	= audio_pcm_hw_free,
+	.prepare	= audio_pcm_prepare,
+	.trigger	= audio_pcm_playback_trigger,
+	.pointer	= audio_pcm_pointer,
+};
+
+int audio_source_bind_config(struct usb_configuration *c,
+		struct audio_source_config *config)
+{
+	struct audio_dev *audio;
+	int err;
+
+	config->card = -1;
+	config->device = -1;
+
+	audio = &_audio_dev;
+
+	err = snd_card_setup(c, config);
+	if (err)
+		return err;
+
+	err = usb_add_function(c, &audio->func);
+	if (err)
+		goto add_fail;
+
+	return 0;
+
+add_fail:
+	snd_card_free(audio->card);
+	return err;
+}
+
+static int snd_card_setup(struct usb_configuration *c,
+		struct audio_source_config *config)
+{
+	struct audio_dev *audio;
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+	int err;
+
+	audio = &_audio_dev;
+
+	err = snd_card_new(&c->cdev->gadget->dev,
+			SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
+			THIS_MODULE, 0, &card);
+	if (err)
+		return err;
+
+	err = snd_pcm_new(card, "USB audio source", 0, 1, 0, &pcm);
+	if (err)
+		goto pcm_fail;
+
+	pcm->private_data = audio;
+	pcm->info_flags = 0;
+	audio->pcm = pcm;
+
+	strlcpy(pcm->name, "USB gadget audio", sizeof(pcm->name));
+
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &audio_playback_ops);
+	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+				NULL, 0, 64 * 1024);
+
+	strlcpy(card->driver, "audio_source", sizeof(card->driver));
+	strlcpy(card->shortname, card->driver, sizeof(card->shortname));
+	strlcpy(card->longname, "USB accessory audio source",
+		sizeof(card->longname));
+
+	err = snd_card_register(card);
+	if (err)
+		goto register_fail;
+
+	config->card = pcm->card->number;
+	config->device = pcm->device;
+	audio->card = card;
+	return 0;
+
+register_fail:
+pcm_fail:
+	snd_card_free(audio->card);
+	return err;
+}
+
+static struct audio_source_instance *to_audio_source_instance(
+					struct config_item *item)
+{
+	return container_of(to_config_group(item), struct audio_source_instance,
+		func_inst.group);
+}
+
+static struct audio_source_instance *to_fi_audio_source(
+					const struct usb_function_instance *fi)
+{
+	return container_of(fi, struct audio_source_instance, func_inst);
+}
+
+static void audio_source_attr_release(struct config_item *item)
+{
+	struct audio_source_instance *fi_audio = to_audio_source_instance(item);
+
+	usb_put_function_instance(&fi_audio->func_inst);
+}
+
+static int audio_source_set_inst_name(struct usb_function_instance *fi,
+					const char *name)
+{
+	struct audio_source_instance *fi_audio;
+	char *ptr;
+	int name_len;
+
+	name_len = strlen(name) + 1;
+	if (name_len > MAX_INST_NAME_LEN)
+		return -ENAMETOOLONG;
+
+	ptr = kstrndup(name, name_len, GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	fi_audio = to_fi_audio_source(fi);
+	fi_audio->name = ptr;
+
+	return 0;
+}
+
+static void audio_source_free_inst(struct usb_function_instance *fi)
+{
+	struct audio_source_instance *fi_audio;
+
+	fi_audio = to_fi_audio_source(fi);
+	device_destroy(fi_audio->audio_device->class,
+			fi_audio->audio_device->devt);
+	kfree(fi_audio->name);
+	kfree(fi_audio->config);
+}
+
+static ssize_t audio_source_pcm_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct audio_source_instance *fi_audio = dev_get_drvdata(dev);
+	struct audio_source_config *config = fi_audio->config;
+
+	/* print PCM card and device numbers */
+	return sprintf(buf, "%d %d\n", config->card, config->device);
+}
+
+struct device *create_function_device(char *name);
+
+static struct usb_function_instance *audio_source_alloc_inst(void)
+{
+	struct audio_source_instance *fi_audio;
+	struct device_attribute **attrs;
+	struct device_attribute *attr;
+	struct device *dev;
+	void *err_ptr;
+	int err = 0;
+
+	fi_audio = kzalloc(sizeof(*fi_audio), GFP_KERNEL);
+	if (!fi_audio)
+		return ERR_PTR(-ENOMEM);
+
+	fi_audio->func_inst.set_inst_name = audio_source_set_inst_name;
+	fi_audio->func_inst.free_func_inst = audio_source_free_inst;
+
+	fi_audio->config = kzalloc(sizeof(struct audio_source_config),
+							GFP_KERNEL);
+	if (!fi_audio->config) {
+		err_ptr = ERR_PTR(-ENOMEM);
+		goto fail_audio;
+	}
+
+	config_group_init_type_name(&fi_audio->func_inst.group, "",
+						&audio_source_func_type);
+	dev = create_function_device("f_audio_source");
+
+	if (IS_ERR(dev)) {
+		err_ptr = dev;
+		goto fail_audio_config;
+	}
+
+	fi_audio->config->card = -1;
+	fi_audio->config->device = -1;
+	fi_audio->audio_device = dev;
+
+	attrs = audio_source_function_attributes;
+	if (attrs) {
+		while ((attr = *attrs++) && !err)
+			err = device_create_file(dev, attr);
+		if (err) {
+			err_ptr = ERR_PTR(-EINVAL);
+			goto fail_device;
+		}
+	}
+
+	dev_set_drvdata(dev, fi_audio);
+	_audio_dev.config = fi_audio->config;
+
+	return  &fi_audio->func_inst;
+
+fail_device:
+	device_destroy(dev->class, dev->devt);
+fail_audio_config:
+	kfree(fi_audio->config);
+fail_audio:
+	kfree(fi_audio);
+	return err_ptr;
+
+}
+
+static struct usb_function *audio_source_alloc(struct usb_function_instance *fi)
+{
+	return &_audio_dev.func;
+}
+
+DECLARE_USB_FUNCTION_INIT(audio_source, audio_source_alloc_inst,
+			audio_source_alloc);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index b17acab..d5a0e15 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -3698,7 +3698,7 @@
 
 	existing = _ffs_do_find_dev(name);
 	if (!existing)
-		strlcpy(dev->name, name, ARRAY_SIZE(dev->name));
+		strscpy(dev->name, name, ARRAY_SIZE(dev->name));
 	else if (existing != dev)
 		ret = -EBUSY;
 
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 553547f..e3d03e8 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2301,6 +2301,16 @@
 {
 	struct fsg_dev *fsg = fsg_from_func(f);
 
+	/* Disable the endpoints */
+	if (fsg->bulk_in_enabled) {
+		usb_ep_disable(fsg->bulk_in);
+		fsg->bulk_in_enabled = 0;
+	}
+	if (fsg->bulk_out_enabled) {
+		usb_ep_disable(fsg->bulk_out);
+		fsg->bulk_out_enabled = 0;
+	}
+
 	__raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE, NULL);
 }
 
@@ -3436,6 +3446,7 @@
 
 DECLARE_USB_FUNCTION_INIT(mass_storage, fsg_alloc_inst, fsg_alloc);
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 MODULE_AUTHOR("Michal Nazarewicz");
 
 /************************* Module parameters *************************/
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 8fff995..ebceae6 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -1021,40 +1021,30 @@
 	if (!f->fs_descriptors)
 		goto fail_f_midi;
 
-	if (gadget_is_dualspeed(c->cdev->gadget)) {
-		bulk_in_desc.wMaxPacketSize = cpu_to_le16(512);
-		bulk_out_desc.wMaxPacketSize = cpu_to_le16(512);
-		f->hs_descriptors = usb_copy_descriptors(midi_function);
-		if (!f->hs_descriptors)
-			goto fail_f_midi;
-	}
+	bulk_in_desc.wMaxPacketSize = cpu_to_le16(512);
+	bulk_out_desc.wMaxPacketSize = cpu_to_le16(512);
+	f->hs_descriptors = usb_copy_descriptors(midi_function);
+	if (!f->hs_descriptors)
+		goto fail_f_midi;
 
-	if (gadget_is_superspeed(c->cdev->gadget)) {
-		bulk_in_desc.wMaxPacketSize = cpu_to_le16(1024);
-		bulk_out_desc.wMaxPacketSize = cpu_to_le16(1024);
-		i = endpoint_descriptor_index;
-		midi_function[i++] = (struct usb_descriptor_header *)
-				     &bulk_out_desc;
-		midi_function[i++] = (struct usb_descriptor_header *)
-				     &bulk_out_ss_comp_desc;
-		midi_function[i++] = (struct usb_descriptor_header *)
-				     &ms_out_desc;
-		midi_function[i++] = (struct usb_descriptor_header *)
-				     &bulk_in_desc;
-		midi_function[i++] = (struct usb_descriptor_header *)
-				     &bulk_in_ss_comp_desc;
-		midi_function[i++] = (struct usb_descriptor_header *)
-				     &ms_in_desc;
-		f->ss_descriptors = usb_copy_descriptors(midi_function);
-		if (!f->ss_descriptors)
-			goto fail_f_midi;
-
-		if (gadget_is_superspeed_plus(c->cdev->gadget)) {
-			f->ssp_descriptors = usb_copy_descriptors(midi_function);
-			if (!f->ssp_descriptors)
-				goto fail_f_midi;
-		}
-	}
+	bulk_in_desc.wMaxPacketSize = cpu_to_le16(1024);
+	bulk_out_desc.wMaxPacketSize = cpu_to_le16(1024);
+	i = endpoint_descriptor_index;
+	midi_function[i++] = (struct usb_descriptor_header *)
+			     &bulk_out_desc;
+	midi_function[i++] = (struct usb_descriptor_header *)
+			     &bulk_out_ss_comp_desc;
+	midi_function[i++] = (struct usb_descriptor_header *)
+			     &ms_out_desc;
+	midi_function[i++] = (struct usb_descriptor_header *)
+			     &bulk_in_desc;
+	midi_function[i++] = (struct usb_descriptor_header *)
+			     &bulk_in_ss_comp_desc;
+	midi_function[i++] = (struct usb_descriptor_header *)
+			     &ms_in_desc;
+	f->ss_descriptors = usb_copy_descriptors(midi_function);
+	if (!f->ss_descriptors)
+		goto fail_f_midi;
 
 	kfree(midi_function);
 
@@ -1222,6 +1212,65 @@
 	}
 }
 
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+extern struct device *create_function_device(char *name);
+static ssize_t alsa_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct usb_function_instance *fi_midi = dev_get_drvdata(dev);
+	struct f_midi *midi;
+
+	if (!fi_midi->f)
+		dev_warn(dev, "f_midi: function not set\n");
+
+	if (fi_midi && fi_midi->f) {
+		midi = func_to_midi(fi_midi->f);
+		if (midi->rmidi && midi->card && midi->rmidi->card)
+			return sprintf(buf, "%d %d\n",
+			midi->rmidi->card->number, midi->rmidi->device);
+	}
+
+	/* print PCM card and device numbers */
+	return sprintf(buf, "%d %d\n", -1, -1);
+}
+
+static DEVICE_ATTR(alsa, S_IRUGO, alsa_show, NULL);
+
+static struct device_attribute *alsa_function_attributes[] = {
+	&dev_attr_alsa,
+	NULL
+};
+
+static int create_alsa_device(struct usb_function_instance *fi)
+{
+	struct device *dev;
+	struct device_attribute **attrs;
+	struct device_attribute *attr;
+	int err = 0;
+
+	dev = create_function_device("f_midi");
+	if (IS_ERR(dev))
+		return PTR_ERR(dev);
+
+	attrs = alsa_function_attributes;
+	if (attrs) {
+		while ((attr = *attrs++) && !err)
+			err = device_create_file(dev, attr);
+		if (err) {
+			device_destroy(dev->class, dev->devt);
+			return -EINVAL;
+		}
+	}
+	dev_set_drvdata(dev, fi);
+	return 0;
+}
+#else
+static int create_alsa_device(struct usb_function_instance *fi)
+{
+	return 0;
+}
+#endif
+
 static struct usb_function_instance *f_midi_alloc_inst(void)
 {
 	struct f_midi_opts *opts;
@@ -1240,6 +1289,11 @@
 	opts->out_ports = 1;
 	opts->refcnt = 1;
 
+	if (create_alsa_device(&opts->func_inst)) {
+		kfree(opts);
+		return ERR_PTR(-ENODEV);
+	}
+
 	config_group_init_type_name(&opts->func_inst.group, "",
 				    &midi_func_type);
 
@@ -1260,6 +1314,7 @@
 		kfifo_free(&midi->in_req_fifo);
 		kfree(midi);
 		free = true;
+		opts->func_inst.f = NULL;
 	}
 	mutex_unlock(&opts->lock);
 
@@ -1347,6 +1402,7 @@
 	midi->func.disable	= f_midi_disable;
 	midi->func.free_func	= f_midi_free;
 
+	fi->f = &midi->func;
 	return &midi->func;
 
 midi_free:
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c
index c13bb29..939f174 100644
--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -51,6 +51,8 @@
 #define GET_PORT_STATUS		1
 #define SOFT_RESET		2
 
+#define DEFAULT_Q_LEN		10 /* same as legacy g_printer gadget */
+
 static int major, minors;
 static struct class *usb_gadget_class;
 static DEFINE_IDA(printer_ida);
@@ -1365,6 +1367,9 @@
 	opts->func_inst.free_func_inst = gprinter_free_inst;
 	ret = &opts->func_inst;
 
+	/* Make sure q_len is initialized, otherwise the bound device can't support read/write! */
+	opts->q_len = DEFAULT_Q_LEN;
+
 	mutex_lock(&printer_ida_lock);
 
 	if (ida_is_empty(&printer_ida)) {
diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c
index 1ed8ff0..a9480b9 100644
--- a/drivers/usb/gadget/function/f_serial.c
+++ b/drivers/usb/gadget/function/f_serial.c
@@ -345,6 +345,10 @@
 
 static void gser_unbind(struct usb_configuration *c, struct usb_function *f)
 {
+	struct f_gser	*gser = func_to_gser(f);
+
+	/* Ensure port is disconnected before unbinding */
+	gserial_disconnect(&gser->port);
 	usb_free_all_descriptors(f);
 }
 
diff --git a/drivers/usb/gadget/function/f_uac1_legacy.c b/drivers/usb/gadget/function/f_uac1_legacy.c
index e2d7f69..8ffd477 100644
--- a/drivers/usb/gadget/function/f_uac1_legacy.c
+++ b/drivers/usb/gadget/function/f_uac1_legacy.c
@@ -1015,4 +1015,5 @@
 
 DECLARE_USB_FUNCTION_INIT(uac1_legacy, f_audio_alloc_inst, f_audio_alloc);
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 MODULE_AUTHOR("Bryan Wu");
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 11cc605..1335473 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -44,6 +44,7 @@
 
 #define EPIN_EN(_opts) ((_opts)->p_chmask != 0)
 #define EPOUT_EN(_opts) ((_opts)->c_chmask != 0)
+#define EPOUT_FBACK_IN_EN(_opts) ((_opts)->c_sync == USB_ENDPOINT_SYNC_ASYNC)
 
 struct f_uac2 {
 	struct g_audio g_audio;
@@ -273,7 +274,7 @@
 	.bDescriptorType = USB_DT_ENDPOINT,
 
 	.bEndpointAddress = USB_DIR_OUT,
-	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
+	/* .bmAttributes = DYNAMIC */
 	/* .wMaxPacketSize = DYNAMIC */
 	.bInterval = 1,
 };
@@ -282,11 +283,29 @@
 	.bLength = USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType = USB_DT_ENDPOINT,
 
-	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
+	/* .bmAttributes = DYNAMIC */
 	/* .wMaxPacketSize = DYNAMIC */
 	.bInterval = 4,
 };
 
+static struct usb_endpoint_descriptor ss_epout_desc = {
+	.bLength = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType = USB_DT_ENDPOINT,
+
+	.bEndpointAddress = USB_DIR_OUT,
+	/* .bmAttributes = DYNAMIC */
+	/* .wMaxPacketSize = DYNAMIC */
+	.bInterval = 4,
+};
+
+static struct usb_ss_ep_comp_descriptor ss_epout_desc_comp = {
+	.bLength		= sizeof(ss_epout_desc_comp),
+	.bDescriptorType	= USB_DT_SS_ENDPOINT_COMP,
+	.bMaxBurst		= 0,
+	.bmAttributes		= 0,
+	/* wBytesPerInterval = DYNAMIC */
+};
+
 /* CS AS ISO OUT Endpoint */
 static struct uac2_iso_endpoint_descriptor as_iso_out_desc = {
 	.bLength = sizeof as_iso_out_desc,
@@ -299,6 +318,45 @@
 	.wLockDelay = 0,
 };
 
+/* STD AS ISO IN Feedback Endpoint */
+static struct usb_endpoint_descriptor fs_epin_fback_desc = {
+	.bLength = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType = USB_DT_ENDPOINT,
+
+	.bEndpointAddress = USB_DIR_IN,
+	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_USAGE_FEEDBACK,
+	.wMaxPacketSize = cpu_to_le16(3),
+	.bInterval = 1,
+};
+
+static struct usb_endpoint_descriptor hs_epin_fback_desc = {
+	.bLength = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType = USB_DT_ENDPOINT,
+
+	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_USAGE_FEEDBACK,
+	.wMaxPacketSize = cpu_to_le16(4),
+	.bInterval = 4,
+};
+
+static struct usb_endpoint_descriptor ss_epin_fback_desc = {
+	.bLength = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType = USB_DT_ENDPOINT,
+
+	.bEndpointAddress = USB_DIR_IN,
+	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_USAGE_FEEDBACK,
+	.wMaxPacketSize = cpu_to_le16(4),
+	.bInterval = 4,
+};
+
+static struct usb_ss_ep_comp_descriptor ss_epin_fback_desc_comp = {
+	.bLength		= sizeof(ss_epin_fback_desc_comp),
+	.bDescriptorType	= USB_DT_SS_ENDPOINT_COMP,
+	.bMaxBurst		= 0,
+	.bmAttributes		= 0,
+	.wBytesPerInterval	= cpu_to_le16(4),
+};
+
+
 /* Audio Streaming IN Interface - Alt0 */
 static struct usb_interface_descriptor std_as_in_if0_desc = {
 	.bLength = sizeof std_as_in_if0_desc,
@@ -364,6 +422,24 @@
 	.bInterval = 4,
 };
 
+static struct usb_endpoint_descriptor ss_epin_desc = {
+	.bLength = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType = USB_DT_ENDPOINT,
+
+	.bEndpointAddress = USB_DIR_IN,
+	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
+	/* .wMaxPacketSize = DYNAMIC */
+	.bInterval = 4,
+};
+
+static struct usb_ss_ep_comp_descriptor ss_epin_desc_comp = {
+	.bLength		= sizeof(ss_epin_desc_comp),
+	.bDescriptorType	= USB_DT_SS_ENDPOINT_COMP,
+	.bMaxBurst		= 0,
+	.bmAttributes		= 0,
+	/* wBytesPerInterval = DYNAMIC */
+};
+
 /* CS AS ISO IN Endpoint */
 static struct uac2_iso_endpoint_descriptor as_iso_in_desc = {
 	.bLength = sizeof as_iso_in_desc,
@@ -395,6 +471,7 @@
 	(struct usb_descriptor_header *)&as_out_fmt1_desc,
 	(struct usb_descriptor_header *)&fs_epout_desc,
 	(struct usb_descriptor_header *)&as_iso_out_desc,
+	(struct usb_descriptor_header *)&fs_epin_fback_desc,
 
 	(struct usb_descriptor_header *)&std_as_in_if0_desc,
 	(struct usb_descriptor_header *)&std_as_in_if1_desc,
@@ -425,6 +502,7 @@
 	(struct usb_descriptor_header *)&as_out_fmt1_desc,
 	(struct usb_descriptor_header *)&hs_epout_desc,
 	(struct usb_descriptor_header *)&as_iso_out_desc,
+	(struct usb_descriptor_header *)&hs_epin_fback_desc,
 
 	(struct usb_descriptor_header *)&std_as_in_if0_desc,
 	(struct usb_descriptor_header *)&std_as_in_if1_desc,
@@ -436,6 +514,40 @@
 	NULL,
 };
 
+static struct usb_descriptor_header *ss_audio_desc[] = {
+	(struct usb_descriptor_header *)&iad_desc,
+	(struct usb_descriptor_header *)&std_ac_if_desc,
+
+	(struct usb_descriptor_header *)&ac_hdr_desc,
+	(struct usb_descriptor_header *)&in_clk_src_desc,
+	(struct usb_descriptor_header *)&out_clk_src_desc,
+	(struct usb_descriptor_header *)&usb_out_it_desc,
+	(struct usb_descriptor_header *)&io_in_it_desc,
+	(struct usb_descriptor_header *)&usb_in_ot_desc,
+	(struct usb_descriptor_header *)&io_out_ot_desc,
+
+	(struct usb_descriptor_header *)&std_as_out_if0_desc,
+	(struct usb_descriptor_header *)&std_as_out_if1_desc,
+
+	(struct usb_descriptor_header *)&as_out_hdr_desc,
+	(struct usb_descriptor_header *)&as_out_fmt1_desc,
+	(struct usb_descriptor_header *)&ss_epout_desc,
+	(struct usb_descriptor_header *)&ss_epout_desc_comp,
+	(struct usb_descriptor_header *)&as_iso_out_desc,
+	(struct usb_descriptor_header *)&ss_epin_fback_desc,
+	(struct usb_descriptor_header *)&ss_epin_fback_desc_comp,
+
+	(struct usb_descriptor_header *)&std_as_in_if0_desc,
+	(struct usb_descriptor_header *)&std_as_in_if1_desc,
+
+	(struct usb_descriptor_header *)&as_in_hdr_desc,
+	(struct usb_descriptor_header *)&as_in_fmt1_desc,
+	(struct usb_descriptor_header *)&ss_epin_desc,
+	(struct usb_descriptor_header *)&ss_epin_desc_comp,
+	(struct usb_descriptor_header *)&as_iso_in_desc,
+	NULL,
+};
+
 struct cntrl_cur_lay3 {
 	__le32	dCUR;
 };
@@ -462,6 +574,7 @@
 		break;
 
 	case USB_SPEED_HIGH:
+	case USB_SPEED_SUPER:
 		max_size_ep = 1024;
 		factor = 8000;
 		break;
@@ -480,8 +593,17 @@
 		ssize = uac2_opts->c_ssize;
 	}
 
-	max_size_bw = num_channels(chmask) * ssize *
-		((srate / (factor / (1 << (ep_desc->bInterval - 1)))) + 1);
+	if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) {
+	  // Win10 requires max packet size + 1 frame
+		srate = srate * (1000 + uac2_opts->fb_max) / 1000;
+		// updated srate is always bigger, therefore DIV_ROUND_UP always yields +1
+		max_size_bw = num_channels(chmask) * ssize *
+			(DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))));
+	} else {
+		// adding 1 frame provision for Win10
+		max_size_bw = num_channels(chmask) * ssize *
+			(DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))) + 1);
+	}
 	ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw,
 						    max_size_ep));
 
@@ -491,6 +613,84 @@
 /* Use macro to overcome line length limitation */
 #define USBDHDR(p) (struct usb_descriptor_header *)(p)
 
+static void setup_headers(struct f_uac2_opts *opts,
+			  struct usb_descriptor_header **headers,
+			  enum usb_device_speed speed)
+{
+	struct usb_ss_ep_comp_descriptor *epout_desc_comp = NULL;
+	struct usb_ss_ep_comp_descriptor *epin_desc_comp = NULL;
+	struct usb_ss_ep_comp_descriptor *epin_fback_desc_comp = NULL;
+	struct usb_endpoint_descriptor *epout_desc;
+	struct usb_endpoint_descriptor *epin_desc;
+	struct usb_endpoint_descriptor *epin_fback_desc;
+	int i;
+
+	switch (speed) {
+	case USB_SPEED_FULL:
+		epout_desc = &fs_epout_desc;
+		epin_desc = &fs_epin_desc;
+		epin_fback_desc = &fs_epin_fback_desc;
+		break;
+	case USB_SPEED_HIGH:
+		epout_desc = &hs_epout_desc;
+		epin_desc = &hs_epin_desc;
+		epin_fback_desc = &hs_epin_fback_desc;
+		break;
+	default:
+		epout_desc = &ss_epout_desc;
+		epin_desc = &ss_epin_desc;
+		epout_desc_comp = &ss_epout_desc_comp;
+		epin_desc_comp = &ss_epin_desc_comp;
+		epin_fback_desc = &ss_epin_fback_desc;
+		epin_fback_desc_comp = &ss_epin_fback_desc_comp;
+	}
+
+	i = 0;
+	headers[i++] = USBDHDR(&iad_desc);
+	headers[i++] = USBDHDR(&std_ac_if_desc);
+	headers[i++] = USBDHDR(&ac_hdr_desc);
+	if (EPIN_EN(opts))
+		headers[i++] = USBDHDR(&in_clk_src_desc);
+	if (EPOUT_EN(opts)) {
+		headers[i++] = USBDHDR(&out_clk_src_desc);
+		headers[i++] = USBDHDR(&usb_out_it_desc);
+	}
+	if (EPIN_EN(opts)) {
+		headers[i++] = USBDHDR(&io_in_it_desc);
+		headers[i++] = USBDHDR(&usb_in_ot_desc);
+	}
+	if (EPOUT_EN(opts)) {
+		headers[i++] = USBDHDR(&io_out_ot_desc);
+		headers[i++] = USBDHDR(&std_as_out_if0_desc);
+		headers[i++] = USBDHDR(&std_as_out_if1_desc);
+		headers[i++] = USBDHDR(&as_out_hdr_desc);
+		headers[i++] = USBDHDR(&as_out_fmt1_desc);
+		headers[i++] = USBDHDR(epout_desc);
+		if (epout_desc_comp)
+			headers[i++] = USBDHDR(epout_desc_comp);
+
+		headers[i++] = USBDHDR(&as_iso_out_desc);
+
+		if (EPOUT_FBACK_IN_EN(opts)) {
+			headers[i++] = USBDHDR(epin_fback_desc);
+			if (epin_fback_desc_comp)
+				headers[i++] = USBDHDR(epin_fback_desc_comp);
+		}
+	}
+	if (EPIN_EN(opts)) {
+		headers[i++] = USBDHDR(&std_as_in_if0_desc);
+		headers[i++] = USBDHDR(&std_as_in_if1_desc);
+		headers[i++] = USBDHDR(&as_in_hdr_desc);
+		headers[i++] = USBDHDR(&as_in_fmt1_desc);
+		headers[i++] = USBDHDR(epin_desc);
+		if (epin_desc_comp)
+			headers[i++] = USBDHDR(epin_desc_comp);
+
+		headers[i++] = USBDHDR(&as_iso_in_desc);
+	}
+	headers[i] = NULL;
+}
+
 static void setup_descriptor(struct f_uac2_opts *opts)
 {
 	/* patch descriptors */
@@ -540,71 +740,9 @@
 		iad_desc.bInterfaceCount++;
 	}
 
-	i = 0;
-	fs_audio_desc[i++] = USBDHDR(&iad_desc);
-	fs_audio_desc[i++] = USBDHDR(&std_ac_if_desc);
-	fs_audio_desc[i++] = USBDHDR(&ac_hdr_desc);
-	if (EPIN_EN(opts))
-		fs_audio_desc[i++] = USBDHDR(&in_clk_src_desc);
-	if (EPOUT_EN(opts)) {
-		fs_audio_desc[i++] = USBDHDR(&out_clk_src_desc);
-		fs_audio_desc[i++] = USBDHDR(&usb_out_it_desc);
-	}
-	if (EPIN_EN(opts)) {
-		fs_audio_desc[i++] = USBDHDR(&io_in_it_desc);
-		fs_audio_desc[i++] = USBDHDR(&usb_in_ot_desc);
-	}
-	if (EPOUT_EN(opts)) {
-		fs_audio_desc[i++] = USBDHDR(&io_out_ot_desc);
-		fs_audio_desc[i++] = USBDHDR(&std_as_out_if0_desc);
-		fs_audio_desc[i++] = USBDHDR(&std_as_out_if1_desc);
-		fs_audio_desc[i++] = USBDHDR(&as_out_hdr_desc);
-		fs_audio_desc[i++] = USBDHDR(&as_out_fmt1_desc);
-		fs_audio_desc[i++] = USBDHDR(&fs_epout_desc);
-		fs_audio_desc[i++] = USBDHDR(&as_iso_out_desc);
-	}
-	if (EPIN_EN(opts)) {
-		fs_audio_desc[i++] = USBDHDR(&std_as_in_if0_desc);
-		fs_audio_desc[i++] = USBDHDR(&std_as_in_if1_desc);
-		fs_audio_desc[i++] = USBDHDR(&as_in_hdr_desc);
-		fs_audio_desc[i++] = USBDHDR(&as_in_fmt1_desc);
-		fs_audio_desc[i++] = USBDHDR(&fs_epin_desc);
-		fs_audio_desc[i++] = USBDHDR(&as_iso_in_desc);
-	}
-	fs_audio_desc[i] = NULL;
-
-	i = 0;
-	hs_audio_desc[i++] = USBDHDR(&iad_desc);
-	hs_audio_desc[i++] = USBDHDR(&std_ac_if_desc);
-	hs_audio_desc[i++] = USBDHDR(&ac_hdr_desc);
-	if (EPIN_EN(opts))
-		hs_audio_desc[i++] = USBDHDR(&in_clk_src_desc);
-	if (EPOUT_EN(opts)) {
-		hs_audio_desc[i++] = USBDHDR(&out_clk_src_desc);
-		hs_audio_desc[i++] = USBDHDR(&usb_out_it_desc);
-	}
-	if (EPIN_EN(opts)) {
-		hs_audio_desc[i++] = USBDHDR(&io_in_it_desc);
-		hs_audio_desc[i++] = USBDHDR(&usb_in_ot_desc);
-	}
-	if (EPOUT_EN(opts)) {
-		hs_audio_desc[i++] = USBDHDR(&io_out_ot_desc);
-		hs_audio_desc[i++] = USBDHDR(&std_as_out_if0_desc);
-		hs_audio_desc[i++] = USBDHDR(&std_as_out_if1_desc);
-		hs_audio_desc[i++] = USBDHDR(&as_out_hdr_desc);
-		hs_audio_desc[i++] = USBDHDR(&as_out_fmt1_desc);
-		hs_audio_desc[i++] = USBDHDR(&hs_epout_desc);
-		hs_audio_desc[i++] = USBDHDR(&as_iso_out_desc);
-	}
-	if (EPIN_EN(opts)) {
-		hs_audio_desc[i++] = USBDHDR(&std_as_in_if0_desc);
-		hs_audio_desc[i++] = USBDHDR(&std_as_in_if1_desc);
-		hs_audio_desc[i++] = USBDHDR(&as_in_hdr_desc);
-		hs_audio_desc[i++] = USBDHDR(&as_in_fmt1_desc);
-		hs_audio_desc[i++] = USBDHDR(&hs_epin_desc);
-		hs_audio_desc[i++] = USBDHDR(&as_iso_in_desc);
-	}
-	hs_audio_desc[i] = NULL;
+	setup_headers(opts, fs_audio_desc, USB_SPEED_FULL);
+	setup_headers(opts, hs_audio_desc, USB_SPEED_HIGH);
+	setup_headers(opts, ss_audio_desc, USB_SPEED_SUPER);
 }
 
 static int afunc_validate_opts(struct g_audio *agdev, struct device *dev)
@@ -706,8 +844,26 @@
 		}
 		std_as_out_if0_desc.bInterfaceNumber = ret;
 		std_as_out_if1_desc.bInterfaceNumber = ret;
+		std_as_out_if1_desc.bNumEndpoints = 1;
 		uac2->as_out_intf = ret;
 		uac2->as_out_alt = 0;
+
+		if (EPOUT_FBACK_IN_EN(uac2_opts)) {
+			fs_epout_desc.bmAttributes =
+			  USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC;
+			hs_epout_desc.bmAttributes =
+			  USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC;
+			ss_epout_desc.bmAttributes =
+			  USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC;
+			std_as_out_if1_desc.bNumEndpoints++;
+		} else {
+			fs_epout_desc.bmAttributes =
+			  USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ADAPTIVE;
+			hs_epout_desc.bmAttributes =
+			  USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ADAPTIVE;
+			ss_epout_desc.bmAttributes =
+			  USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ADAPTIVE;
+		}
 	}
 
 	if (EPIN_EN(uac2_opts)) {
@@ -751,12 +907,35 @@
 		return ret;
 	}
 
+	ret = set_ep_max_packet_size(uac2_opts, &ss_epin_desc, USB_SPEED_SUPER,
+				     true);
+	if (ret < 0) {
+		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+		return ret;
+	}
+
+	ret = set_ep_max_packet_size(uac2_opts, &ss_epout_desc, USB_SPEED_SUPER,
+				     false);
+	if (ret < 0) {
+		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+		return ret;
+	}
+
 	if (EPOUT_EN(uac2_opts)) {
 		agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc);
 		if (!agdev->out_ep) {
 			dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
 			return -ENODEV;
 		}
+		if (EPOUT_FBACK_IN_EN(uac2_opts)) {
+			agdev->in_ep_fback = usb_ep_autoconfig(gadget,
+						       &fs_epin_fback_desc);
+			if (!agdev->in_ep_fback) {
+				dev_err(dev, "%s:%d Error!\n",
+					__func__, __LINE__);
+				return -ENODEV;
+			}
+		}
 	}
 
 	if (EPIN_EN(uac2_opts)) {
@@ -774,13 +953,25 @@
 				le16_to_cpu(fs_epout_desc.wMaxPacketSize),
 				le16_to_cpu(hs_epout_desc.wMaxPacketSize));
 
+	agdev->in_ep_maxpsize = max_t(u16, agdev->in_ep_maxpsize,
+				le16_to_cpu(ss_epin_desc.wMaxPacketSize));
+	agdev->out_ep_maxpsize = max_t(u16, agdev->out_ep_maxpsize,
+				le16_to_cpu(ss_epout_desc.wMaxPacketSize));
+
+	ss_epin_desc_comp.wBytesPerInterval = ss_epin_desc.wMaxPacketSize;
+	ss_epout_desc_comp.wBytesPerInterval = ss_epout_desc.wMaxPacketSize;
+
 	hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
+	hs_epin_fback_desc.bEndpointAddress = fs_epin_fback_desc.bEndpointAddress;
 	hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
+	ss_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
+	ss_epin_fback_desc.bEndpointAddress = fs_epin_fback_desc.bEndpointAddress;
+	ss_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
 
 	setup_descriptor(uac2_opts);
 
-	ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL,
-				     NULL);
+	ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, ss_audio_desc,
+				     ss_audio_desc);
 	if (ret)
 		return ret;
 
@@ -793,6 +984,7 @@
 	agdev->params.c_srate = uac2_opts->c_srate;
 	agdev->params.c_ssize = uac2_opts->c_ssize;
 	agdev->params.req_number = uac2_opts->req_number;
+	agdev->params.fb_max = uac2_opts->fb_max;
 	ret = g_audio_setup(agdev, "UAC2 PCM", "UAC2_Gadget");
 	if (ret)
 		goto err_free_descs;
@@ -1101,13 +1293,71 @@
 									\
 CONFIGFS_ATTR(f_uac2_opts_, name)
 
+#define UAC2_ATTRIBUTE_SYNC(name)					\
+static ssize_t f_uac2_opts_##name##_show(struct config_item *item,	\
+					 char *page)			\
+{									\
+	struct f_uac2_opts *opts = to_f_uac2_opts(item);		\
+	int result;							\
+	char *str;							\
+									\
+	mutex_lock(&opts->lock);					\
+	switch (opts->name) {						\
+	case USB_ENDPOINT_SYNC_ASYNC:					\
+		str = "async";						\
+		break;							\
+	case USB_ENDPOINT_SYNC_ADAPTIVE:				\
+		str = "adaptive";					\
+		break;							\
+	default:							\
+		str = "unknown";					\
+		break;							\
+	}								\
+	result = sprintf(page, "%s\n", str);				\
+	mutex_unlock(&opts->lock);					\
+									\
+	return result;							\
+}									\
+									\
+static ssize_t f_uac2_opts_##name##_store(struct config_item *item,	\
+					  const char *page, size_t len)	\
+{									\
+	struct f_uac2_opts *opts = to_f_uac2_opts(item);		\
+	int ret = 0;							\
+									\
+	mutex_lock(&opts->lock);					\
+	if (opts->refcnt) {						\
+		ret = -EBUSY;						\
+		goto end;						\
+	}								\
+									\
+	if (!strncmp(page, "async", 5))					\
+		opts->name = USB_ENDPOINT_SYNC_ASYNC;			\
+	else if (!strncmp(page, "adaptive", 8))				\
+		opts->name = USB_ENDPOINT_SYNC_ADAPTIVE;		\
+	else {								\
+		ret = -EINVAL;						\
+		goto end;						\
+	}								\
+									\
+	ret = len;							\
+									\
+end:									\
+	mutex_unlock(&opts->lock);					\
+	return ret;							\
+}									\
+									\
+CONFIGFS_ATTR(f_uac2_opts_, name)
+
 UAC2_ATTRIBUTE(p_chmask);
 UAC2_ATTRIBUTE(p_srate);
 UAC2_ATTRIBUTE(p_ssize);
 UAC2_ATTRIBUTE(c_chmask);
 UAC2_ATTRIBUTE(c_srate);
+UAC2_ATTRIBUTE_SYNC(c_sync);
 UAC2_ATTRIBUTE(c_ssize);
 UAC2_ATTRIBUTE(req_number);
+UAC2_ATTRIBUTE(fb_max);
 
 static struct configfs_attribute *f_uac2_attrs[] = {
 	&f_uac2_opts_attr_p_chmask,
@@ -1116,7 +1366,9 @@
 	&f_uac2_opts_attr_c_chmask,
 	&f_uac2_opts_attr_c_srate,
 	&f_uac2_opts_attr_c_ssize,
+	&f_uac2_opts_attr_c_sync,
 	&f_uac2_opts_attr_req_number,
+	&f_uac2_opts_attr_fb_max,
 	NULL,
 };
 
@@ -1154,7 +1406,9 @@
 	opts->c_chmask = UAC2_DEF_CCHMASK;
 	opts->c_srate = UAC2_DEF_CSRATE;
 	opts->c_ssize = UAC2_DEF_CSSIZE;
+	opts->c_sync = UAC2_DEF_CSYNC;
 	opts->req_number = UAC2_DEF_REQ_NUM;
+	opts->fb_max = UAC2_DEF_FB_MAX;
 	return &opts->func_inst;
 }
 
diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index 5d39aff..3f7f77a 100644
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -24,7 +24,6 @@
 #include <media/v4l2-dev.h>
 #include <media/v4l2-event.h>
 
-#include "u_uvc.h"
 #include "uvc.h"
 #include "uvc_configfs.h"
 #include "uvc_v4l2.h"
@@ -40,11 +39,8 @@
 
 /* string IDs are assigned dynamically */
 
-#define UVC_STRING_CONTROL_IDX			0
-#define UVC_STRING_STREAMING_IDX		1
-
 static struct usb_string uvc_en_us_strings[] = {
-	[UVC_STRING_CONTROL_IDX].s = "UVC Camera",
+	/* [UVC_STRING_CONTROL_IDX].s = DYNAMIC, */
 	[UVC_STRING_STREAMING_IDX].s = "Video Streaming",
 	{  }
 };
@@ -142,7 +138,8 @@
 	.bEndpointAddress	= USB_DIR_IN,
 	.bmAttributes		= USB_ENDPOINT_SYNC_ASYNC
 				| USB_ENDPOINT_XFER_ISOC,
-	/* The wMaxPacketSize and bInterval values will be initialized from
+	/*
+	 * The wMaxPacketSize and bInterval values will be initialized from
 	 * module parameters.
 	 */
 };
@@ -153,7 +150,8 @@
 	.bEndpointAddress	= USB_DIR_IN,
 	.bmAttributes		= USB_ENDPOINT_SYNC_ASYNC
 				| USB_ENDPOINT_XFER_ISOC,
-	/* The wMaxPacketSize and bInterval values will be initialized from
+	/*
+	 * The wMaxPacketSize and bInterval values will be initialized from
 	 * module parameters.
 	 */
 };
@@ -165,7 +163,8 @@
 	.bEndpointAddress	= USB_DIR_IN,
 	.bmAttributes		= USB_ENDPOINT_SYNC_ASYNC
 				| USB_ENDPOINT_XFER_ISOC,
-	/* The wMaxPacketSize and bInterval values will be initialized from
+	/*
+	 * The wMaxPacketSize and bInterval values will be initialized from
 	 * module parameters.
 	 */
 };
@@ -173,7 +172,8 @@
 static struct usb_ss_ep_comp_descriptor uvc_ss_streaming_comp = {
 	.bLength		= sizeof(uvc_ss_streaming_comp),
 	.bDescriptorType	= USB_DT_SS_ENDPOINT_COMP,
-	/* The bMaxBurst, bmAttributes and wBytesPerInterval values will be
+	/*
+	 * The bMaxBurst, bmAttributes and wBytesPerInterval values will be
 	 * initialized from module parameters.
 	 */
 };
@@ -226,6 +226,8 @@
 	struct uvc_device *uvc = to_uvc(f);
 	struct v4l2_event v4l2_event;
 	struct uvc_event *uvc_event = (void *)&v4l2_event.u.data;
+	unsigned int interface = le16_to_cpu(ctrl->wIndex) & 0xff;
+	struct usb_ctrlrequest *mctrl;
 
 	if ((ctrl->bRequestType & USB_TYPE_MASK) != USB_TYPE_CLASS) {
 		uvcg_info(f, "invalid request type\n");
@@ -236,7 +238,8 @@
 	if (le16_to_cpu(ctrl->wLength) > UVC_MAX_REQUEST_SIZE)
 		return -EINVAL;
 
-	/* Tell the complete callback to generate an event for the next request
+	/*
+	 * Tell the complete callback to generate an event for the next request
 	 * that will be enqueued by UVCIOC_SEND_RESPONSE.
 	 */
 	uvc->event_setup_out = !(ctrl->bRequestType & USB_DIR_IN);
@@ -245,15 +248,28 @@
 	memset(&v4l2_event, 0, sizeof(v4l2_event));
 	v4l2_event.type = UVC_EVENT_SETUP;
 	memcpy(&uvc_event->req, ctrl, sizeof(uvc_event->req));
+
+	/* check for the interface number, fixup the interface number in
+	 * the ctrl request so the userspace doesn't have to bother with
+	 * offset and configfs parsing
+	 */
+	mctrl = &uvc_event->req;
+	mctrl->wIndex &= ~cpu_to_le16(0xff);
+	if (interface == uvc->streaming_intf)
+		mctrl->wIndex = cpu_to_le16(UVC_STRING_STREAMING_IDX);
+
 	v4l2_event_queue(&uvc->vdev, &v4l2_event);
 
 	return 0;
 }
 
-void uvc_function_setup_continue(struct uvc_device *uvc)
+void uvc_function_setup_continue(struct uvc_device *uvc, int disable_ep)
 {
 	struct usb_composite_dev *cdev = uvc->func.config->cdev;
 
+	if (disable_ep && uvc->video.ep)
+		usb_ep_disable(uvc->video.ep);
+
 	usb_composite_setup_continue(cdev);
 }
 
@@ -321,15 +337,11 @@
 		if (uvc->state != UVC_STATE_STREAMING)
 			return 0;
 
-		if (uvc->video.ep)
-			usb_ep_disable(uvc->video.ep);
-
 		memset(&v4l2_event, 0, sizeof(v4l2_event));
 		v4l2_event.type = UVC_EVENT_STREAMOFF;
 		v4l2_event_queue(&uvc->vdev, &v4l2_event);
 
-		uvc->state = UVC_STATE_CONNECTED;
-		return 0;
+		return USB_GADGET_DELAYED_STATUS;
 
 	case 1:
 		if (uvc->state != UVC_STATE_CONNECTED)
@@ -418,14 +430,16 @@
 	int ret;
 
 	/* TODO reference counting. */
+	memset(&uvc->vdev, 0, sizeof(uvc->vdev));
 	uvc->vdev.v4l2_dev = &uvc->v4l2_dev;
+	uvc->vdev.v4l2_dev->dev = &cdev->gadget->dev;
 	uvc->vdev.fops = &uvc_v4l2_fops;
 	uvc->vdev.ioctl_ops = &uvc_v4l2_ioctl_ops;
 	uvc->vdev.release = video_device_release_empty;
 	uvc->vdev.vfl_dir = VFL_DIR_TX;
 	uvc->vdev.lock = &uvc->video.mutex;
 	uvc->vdev.device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
-	strlcpy(uvc->vdev.name, cdev->gadget->name, sizeof(uvc->vdev.name));
+	strscpy(uvc->vdev.name, cdev->gadget->name, sizeof(uvc->vdev.name));
 
 	video_set_drvdata(&uvc->vdev, uvc);
 
@@ -477,6 +491,7 @@
 	void *mem;
 
 	switch (speed) {
+	case USB_SPEED_SUPER_PLUS:
 	case USB_SPEED_SUPER:
 		uvc_control_desc = uvc->desc.ss_control;
 		uvc_streaming_cls = uvc->desc.ss_streaming;
@@ -500,7 +515,8 @@
 	if (!uvc_control_desc || !uvc_streaming_cls)
 		return ERR_PTR(-ENODEV);
 
-	/* Descriptors layout
+	/*
+	 * Descriptors layout
 	 *
 	 * uvc_iad
 	 * uvc_control_intf
@@ -520,7 +536,8 @@
 	      + uvc_control_ep.bLength + uvc_control_cs_ep.bLength
 	      + uvc_streaming_intf_alt0.bLength;
 
-	if (speed == USB_SPEED_SUPER) {
+	if (speed == USB_SPEED_SUPER ||
+	    speed == USB_SPEED_SUPER_PLUS) {
 		bytes += uvc_ss_control_comp.bLength;
 		n_desc = 6;
 	} else {
@@ -564,7 +581,8 @@
 	uvc_control_header->baInterfaceNr[0] = uvc->streaming_intf;
 
 	UVC_COPY_DESCRIPTOR(mem, dst, &uvc_control_ep);
-	if (speed == USB_SPEED_SUPER)
+	if (speed == USB_SPEED_SUPER
+	    || speed == USB_SPEED_SUPER_PLUS)
 		UVC_COPY_DESCRIPTOR(mem, dst, &uvc_ss_control_comp);
 
 	UVC_COPY_DESCRIPTOR(mem, dst, &uvc_control_cs_ep);
@@ -597,8 +615,7 @@
 	uvcg_info(f, "%s()\n", __func__);
 
 	opts = fi_to_f_uvc_opts(f->fi);
-	/* Sanity check the streaming endpoint module parameters.
-	 */
+	/* Sanity check the streaming endpoint module parameters. */
 	opts->streaming_interval = clamp(opts->streaming_interval, 1U, 16U);
 	opts->streaming_maxpacket = clamp(opts->streaming_maxpacket, 1U, 3072U);
 	opts->streaming_maxburst = min(opts->streaming_maxburst, 15U);
@@ -611,7 +628,8 @@
 			  opts->streaming_maxpacket);
 	}
 
-	/* Fill in the FS/HS/SS Video Streaming specific descriptors from the
+	/*
+	 * Fill in the FS/HS/SS Video Streaming specific descriptors from the
 	 * module parameters.
 	 *
 	 * NOTE: We assume that the user knows what they are doing and won't
@@ -657,24 +675,17 @@
 	}
 	uvc->control_ep = ep;
 
-	if (gadget_is_superspeed(c->cdev->gadget))
-		ep = usb_ep_autoconfig_ss(cdev->gadget, &uvc_ss_streaming_ep,
-					  &uvc_ss_streaming_comp);
-	else if (gadget_is_dualspeed(cdev->gadget))
-		ep = usb_ep_autoconfig(cdev->gadget, &uvc_hs_streaming_ep);
-	else
-		ep = usb_ep_autoconfig(cdev->gadget, &uvc_fs_streaming_ep);
-
+	ep = usb_ep_autoconfig(cdev->gadget, &uvc_fs_streaming_ep);
 	if (!ep) {
 		uvcg_info(f, "Unable to allocate streaming EP\n");
 		goto error;
 	}
 	uvc->video.ep = ep;
 
-	uvc_fs_streaming_ep.bEndpointAddress = uvc->video.ep->address;
 	uvc_hs_streaming_ep.bEndpointAddress = uvc->video.ep->address;
 	uvc_ss_streaming_ep.bEndpointAddress = uvc->video.ep->address;
 
+	uvc_en_us_strings[UVC_STRING_CONTROL_IDX].s = opts->function_name;
 	us = usb_gstrings_attach(cdev, uvc_function_strings,
 				 ARRAY_SIZE(uvc_en_us_strings));
 	if (IS_ERR(us)) {
@@ -709,21 +720,26 @@
 		f->fs_descriptors = NULL;
 		goto error;
 	}
-	if (gadget_is_dualspeed(cdev->gadget)) {
-		f->hs_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_HIGH);
-		if (IS_ERR(f->hs_descriptors)) {
-			ret = PTR_ERR(f->hs_descriptors);
-			f->hs_descriptors = NULL;
-			goto error;
-		}
+
+	f->hs_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_HIGH);
+	if (IS_ERR(f->hs_descriptors)) {
+		ret = PTR_ERR(f->hs_descriptors);
+		f->hs_descriptors = NULL;
+		goto error;
 	}
-	if (gadget_is_superspeed(c->cdev->gadget)) {
-		f->ss_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_SUPER);
-		if (IS_ERR(f->ss_descriptors)) {
-			ret = PTR_ERR(f->ss_descriptors);
-			f->ss_descriptors = NULL;
-			goto error;
-		}
+
+	f->ss_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_SUPER);
+	if (IS_ERR(f->ss_descriptors)) {
+		ret = PTR_ERR(f->ss_descriptors);
+		f->ss_descriptors = NULL;
+		goto error;
+	}
+
+	f->ssp_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_SUPER_PLUS);
+	if (IS_ERR(f->ssp_descriptors)) {
+		ret = PTR_ERR(f->ssp_descriptors);
+		f->ssp_descriptors = NULL;
+		goto error;
 	}
 
 	/* Preallocate control endpoint request. */
@@ -865,6 +881,7 @@
 
 	opts->streaming_interval = 1;
 	opts->streaming_maxpacket = 1024;
+	snprintf(opts->function_name, sizeof(opts->function_name), "UVC Camera");
 
 	ret = uvcg_attach_configfs(opts);
 	if (ret < 0) {
@@ -880,6 +897,7 @@
 	struct uvc_device *uvc = to_uvc(f);
 	struct f_uvc_opts *opts = container_of(f->fi, struct f_uvc_opts,
 					       func_inst);
+	config_item_put(&uvc->header->item);
 	--opts->refcnt;
 	kfree(uvc);
 }
@@ -889,11 +907,16 @@
 {
 	struct usb_composite_dev *cdev = c->cdev;
 	struct uvc_device *uvc = to_uvc(f);
+	struct uvc_video *video = &uvc->video;
 	long wait_ret = 1;
 
 	uvcg_info(f, "%s()\n", __func__);
 
-	/* If we know we're connected via v4l2, then there should be a cleanup
+	if (video->async_wq)
+		destroy_workqueue(video->async_wq);
+
+	/*
+	 * If we know we're connected via v4l2, then there should be a cleanup
 	 * of the device from userspace either via UVC_EVENT_DISCONNECT or
 	 * though the video device removal uevent. Allow some time for the
 	 * application to close out before things get deleted.
@@ -910,7 +933,8 @@
 	v4l2_device_unregister(&uvc->v4l2_dev);
 
 	if (uvc->func_connected) {
-		/* Wait for the release to occur to ensure there are no longer any
+		/*
+		 * Wait for the release to occur to ensure there are no longer any
 		 * pending operations that may cause panics when resources are cleaned
 		 * up.
 		 */
@@ -931,6 +955,7 @@
 	struct uvc_device *uvc;
 	struct f_uvc_opts *opts;
 	struct uvc_descriptor_header **strm_cls;
+	struct config_item *streaming, *header, *h;
 
 	uvc = kzalloc(sizeof(*uvc), GFP_KERNEL);
 	if (uvc == NULL)
@@ -963,6 +988,28 @@
 	uvc->desc.fs_streaming = opts->fs_streaming;
 	uvc->desc.hs_streaming = opts->hs_streaming;
 	uvc->desc.ss_streaming = opts->ss_streaming;
+
+	streaming = config_group_find_item(&opts->func_inst.group, "streaming");
+	if (!streaming)
+		goto err_config;
+
+	header = config_group_find_item(to_config_group(streaming), "header");
+	config_item_put(streaming);
+	if (!header)
+		goto err_config;
+
+	h = config_group_find_item(to_config_group(header), "h");
+	config_item_put(header);
+	if (!h)
+		goto err_config;
+
+	uvc->header = to_uvcg_streaming_header(h);
+	if (!uvc->header->linked) {
+		mutex_unlock(&opts->lock);
+		kfree(uvc);
+		return ERR_PTR(-EBUSY);
+	}
+
 	++opts->refcnt;
 	mutex_unlock(&opts->lock);
 
@@ -978,6 +1025,11 @@
 	uvc->func.bind_deactivated = true;
 
 	return &uvc->func;
+
+err_config:
+	mutex_unlock(&opts->lock);
+	kfree(uvc);
+	return ERR_PTR(-ENOENT);
 }
 
 DECLARE_USB_FUNCTION_INIT(uvc, uvc_alloc_inst, uvc_alloc);
diff --git a/drivers/usb/gadget/function/f_uvc.h b/drivers/usb/gadget/function/f_uvc.h
index 1db972d..083aef0 100644
--- a/drivers/usb/gadget/function/f_uvc.h
+++ b/drivers/usb/gadget/function/f_uvc.h
@@ -11,7 +11,7 @@
 
 struct uvc_device;
 
-void uvc_function_setup_continue(struct uvc_device *uvc);
+void uvc_function_setup_continue(struct uvc_device *uvc, int disable_ep);
 
 void uvc_function_connect(struct uvc_device *uvc);
 
diff --git a/drivers/usb/gadget/function/storage_common.c b/drivers/usb/gadget/function/storage_common.c
index 0219849..87bfe87 100644
--- a/drivers/usb/gadget/function/storage_common.c
+++ b/drivers/usb/gadget/function/storage_common.c
@@ -522,3 +522,4 @@
 EXPORT_SYMBOL_GPL(fsg_store_inquiry_string);
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c
index 6c8b8f5..3482a26 100644
--- a/drivers/usb/gadget/function/u_audio.c
+++ b/drivers/usb/gadget/function/u_audio.c
@@ -16,6 +16,7 @@
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
+#include <sound/control.h>
 
 #include "u_audio.h"
 
@@ -23,11 +24,6 @@
 #define PRD_SIZE_MAX	PAGE_SIZE
 #define MIN_PERIODS	4
 
-struct uac_req {
-	struct uac_rtd_params *pp; /* parent param */
-	struct usb_request *req;
-};
-
 /* Runtime data params for one stream */
 struct uac_rtd_params {
 	struct snd_uac_chip *uac; /* parent chip */
@@ -40,10 +36,13 @@
 
 	void *rbuf;
 
+	unsigned int pitch;	/* Stream pitch ratio to 1000000 */
 	unsigned int max_psize;	/* MaxPacketSize of endpoint */
-	struct uac_req *ureq;
 
-	spinlock_t lock;
+	struct usb_request **reqs;
+
+	struct usb_request *req_fback; /* Feedback endpoint request */
+	bool fb_ep_enabled; /* if the ep is enabled */
 };
 
 struct snd_uac_chip {
@@ -76,16 +75,63 @@
 	.periods_min = MIN_PERIODS,
 };
 
+static void u_audio_set_fback_frequency(enum usb_device_speed speed,
+					struct usb_ep *out_ep,
+					unsigned long long freq,
+					unsigned int pitch,
+					void *buf)
+{
+	u32 ff = 0;
+	const struct usb_endpoint_descriptor *ep_desc;
+
+	/*
+	 * Because the pitch base is 1000000, the final divider here
+	 * will be 1000 * 1000000 = 1953125 << 9
+	 *
+	 * Instead of dealing with big numbers lets fold this 9 left shift
+	 */
+
+	if (speed == USB_SPEED_FULL) {
+		/*
+		 * Full-speed feedback endpoints report frequency
+		 * in samples/frame
+		 * Format is encoded in Q10.10 left-justified in the 24 bits,
+		 * so that it has a Q10.14 format.
+		 *
+		 * ff = (freq << 14) / 1000
+		 */
+		freq <<= 5;
+	} else {
+		/*
+		 * High-speed feedback endpoints report frequency
+		 * in samples/microframe.
+		 * Format is encoded in Q12.13 fitted into four bytes so that
+		 * the binary point is located between the second and the third
+		 * byte fromat (that is Q16.16)
+		 *
+		 * ff = (freq << 16) / 8000
+		 *
+		 * Win10 and OSX UAC2 drivers require number of samples per packet
+		 * in order to honor the feedback value.
+		 * Linux snd-usb-audio detects the applied bit-shift automatically.
+		 */
+		ep_desc = out_ep->desc;
+		freq <<= 4 + (ep_desc->bInterval - 1);
+	}
+
+	ff = DIV_ROUND_CLOSEST_ULL((freq * pitch), 1953125);
+
+	*(__le32 *)buf = cpu_to_le32(ff);
+}
+
 static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
 {
 	unsigned int pending;
-	unsigned long flags, flags2;
 	unsigned int hw_ptr;
 	int status = req->status;
-	struct uac_req *ur = req->context;
 	struct snd_pcm_substream *substream;
 	struct snd_pcm_runtime *runtime;
-	struct uac_rtd_params *prm = ur->pp;
+	struct uac_rtd_params *prm = req->context;
 	struct snd_uac_chip *uac = prm->uac;
 
 	/* i/f shutting down */
@@ -111,16 +157,14 @@
 	if (!substream)
 		goto exit;
 
-	snd_pcm_stream_lock_irqsave(substream, flags2);
+	snd_pcm_stream_lock(substream);
 
 	runtime = substream->runtime;
 	if (!runtime || !snd_pcm_running(substream)) {
-		snd_pcm_stream_unlock_irqrestore(substream, flags2);
+		snd_pcm_stream_unlock(substream);
 		goto exit;
 	}
 
-	spin_lock_irqsave(&prm->lock, flags);
-
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		/*
 		 * For each IN packet, take the quotient of the current data
@@ -147,8 +191,6 @@
 
 	hw_ptr = prm->hw_ptr;
 
-	spin_unlock_irqrestore(&prm->lock, flags);
-
 	/* Pack USB load in ALSA ring buffer */
 	pending = runtime->dma_bytes - hw_ptr;
 
@@ -172,12 +214,10 @@
 		}
 	}
 
-	spin_lock_irqsave(&prm->lock, flags);
 	/* update hw_ptr after data is copied to memory */
 	prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes;
 	hw_ptr = prm->hw_ptr;
-	spin_unlock_irqrestore(&prm->lock, flags);
-	snd_pcm_stream_unlock_irqrestore(substream, flags2);
+	snd_pcm_stream_unlock(substream);
 
 	if ((hw_ptr % snd_pcm_lib_period_bytes(substream)) < req->actual)
 		snd_pcm_period_elapsed(substream);
@@ -187,13 +227,47 @@
 		dev_err(uac->card->dev, "%d Error!\n", __LINE__);
 }
 
+static void u_audio_iso_fback_complete(struct usb_ep *ep,
+				       struct usb_request *req)
+{
+	struct uac_rtd_params *prm = req->context;
+	struct snd_uac_chip *uac = prm->uac;
+	struct g_audio *audio_dev = uac->audio_dev;
+	struct uac_params *params = &audio_dev->params;
+	int status = req->status;
+
+	/* i/f shutting down */
+	if (!prm->fb_ep_enabled) {
+		kfree(req->buf);
+		usb_ep_free_request(ep, req);
+		return;
+	}
+
+	if (req->status == -ESHUTDOWN)
+		return;
+
+	/*
+	 * We can't really do much about bad xfers.
+	 * Afterall, the ISOCH xfers could fail legitimately.
+	 */
+	if (status)
+		pr_debug("%s: iso_complete status(%d) %d/%d\n",
+			__func__, status, req->actual, req->length);
+
+	u_audio_set_fback_frequency(audio_dev->gadget->speed, audio_dev->out_ep,
+				    params->c_srate, prm->pitch,
+				    req->buf);
+
+	if (usb_ep_queue(ep, req, GFP_ATOMIC))
+		dev_err(uac->card->dev, "%d Error!\n", __LINE__);
+}
+
 static int uac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);
 	struct uac_rtd_params *prm;
 	struct g_audio *audio_dev;
 	struct uac_params *params;
-	unsigned long flags;
 	int err = 0;
 
 	audio_dev = uac->audio_dev;
@@ -204,8 +278,6 @@
 	else
 		prm = &uac->c_prm;
 
-	spin_lock_irqsave(&prm->lock, flags);
-
 	/* Reset */
 	prm->hw_ptr = 0;
 
@@ -222,8 +294,6 @@
 		err = -EINVAL;
 	}
 
-	spin_unlock_irqrestore(&prm->lock, flags);
-
 	/* Clear buffer after Play stops */
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !prm->ss)
 		memset(prm->rbuf, 0, prm->max_psize * params->req_number);
@@ -244,6 +314,25 @@
 	return bytes_to_frames(substream->runtime, prm->hw_ptr);
 }
 
+static u64 uac_ssize_to_fmt(int ssize)
+{
+	u64 ret;
+
+	switch (ssize) {
+	case 3:
+		ret = SNDRV_PCM_FMTBIT_S24_3LE;
+		break;
+	case 4:
+		ret = SNDRV_PCM_FMTBIT_S32_LE;
+		break;
+	default:
+		ret = SNDRV_PCM_FMTBIT_S16_LE;
+		break;
+	}
+
+	return ret;
+}
+
 static int uac_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);
@@ -267,36 +356,14 @@
 	runtime->hw = uac_pcm_hardware;
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		spin_lock_init(&uac->p_prm.lock);
 		runtime->hw.rate_min = p_srate;
-		switch (p_ssize) {
-		case 3:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
-			break;
-		case 4:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
-			break;
-		default:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
-			break;
-		}
+		runtime->hw.formats = uac_ssize_to_fmt(p_ssize);
 		runtime->hw.channels_min = num_channels(p_chmask);
 		runtime->hw.period_bytes_min = 2 * uac->p_prm.max_psize
 						/ runtime->hw.periods_min;
 	} else {
-		spin_lock_init(&uac->c_prm.lock);
 		runtime->hw.rate_min = c_srate;
-		switch (c_ssize) {
-		case 3:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
-			break;
-		case 4:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
-			break;
-		default:
-			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
-			break;
-		}
+		runtime->hw.formats = uac_ssize_to_fmt(c_ssize);
 		runtime->hw.channels_min = num_channels(c_chmask);
 		runtime->hw.period_bytes_min = 2 * uac->c_prm.max_psize
 						/ runtime->hw.periods_min;
@@ -338,16 +405,16 @@
 	params = &audio_dev->params;
 
 	for (i = 0; i < params->req_number; i++) {
-		if (prm->ureq[i].req) {
-			if (usb_ep_dequeue(ep, prm->ureq[i].req))
-				usb_ep_free_request(ep, prm->ureq[i].req);
+		if (prm->reqs[i]) {
+			if (usb_ep_dequeue(ep, prm->reqs[i]))
+				usb_ep_free_request(ep, prm->reqs[i]);
 			/*
 			 * If usb_ep_dequeue() cannot successfully dequeue the
 			 * request, the request will be freed by the completion
 			 * callback.
 			 */
 
-			prm->ureq[i].req = NULL;
+			prm->reqs[i] = NULL;
 		}
 	}
 
@@ -357,13 +424,34 @@
 		dev_err(uac->card->dev, "%s:%d Error!\n", __func__, __LINE__);
 }
 
+static inline void free_ep_fback(struct uac_rtd_params *prm, struct usb_ep *ep)
+{
+	struct snd_uac_chip *uac = prm->uac;
+
+	if (!prm->fb_ep_enabled)
+		return;
+
+	prm->fb_ep_enabled = false;
+
+	if (prm->req_fback) {
+		if (usb_ep_dequeue(ep, prm->req_fback)) {
+			kfree(prm->req_fback->buf);
+			usb_ep_free_request(ep, prm->req_fback);
+		}
+		prm->req_fback = NULL;
+	}
+
+	if (usb_ep_disable(ep))
+		dev_err(uac->card->dev, "%s:%d Error!\n", __func__, __LINE__);
+}
+
 int u_audio_start_capture(struct g_audio *audio_dev)
 {
 	struct snd_uac_chip *uac = audio_dev->uac;
 	struct usb_gadget *gadget = audio_dev->gadget;
 	struct device *dev = &gadget->dev;
-	struct usb_request *req;
-	struct usb_ep *ep;
+	struct usb_request *req, *req_fback;
+	struct usb_ep *ep, *ep_fback;
 	struct uac_rtd_params *prm;
 	struct uac_params *params = &audio_dev->params;
 	int req_len, i;
@@ -377,25 +465,61 @@
 	usb_ep_enable(ep);
 
 	for (i = 0; i < params->req_number; i++) {
-		if (!prm->ureq[i].req) {
+		if (!prm->reqs[i]) {
 			req = usb_ep_alloc_request(ep, GFP_ATOMIC);
 			if (req == NULL)
 				return -ENOMEM;
 
-			prm->ureq[i].req = req;
-			prm->ureq[i].pp = prm;
+			prm->reqs[i] = req;
 
 			req->zero = 0;
-			req->context = &prm->ureq[i];
+			req->context = prm;
 			req->length = req_len;
 			req->complete = u_audio_iso_complete;
 			req->buf = prm->rbuf + i * ep->maxpacket;
 		}
 
-		if (usb_ep_queue(ep, prm->ureq[i].req, GFP_ATOMIC))
+		if (usb_ep_queue(ep, prm->reqs[i], GFP_ATOMIC))
 			dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
 	}
 
+	ep_fback = audio_dev->in_ep_fback;
+	if (!ep_fback)
+		return 0;
+
+	/* Setup feedback endpoint */
+	config_ep_by_speed(gadget, &audio_dev->func, ep_fback);
+	prm->fb_ep_enabled = true;
+	usb_ep_enable(ep_fback);
+	req_len = ep_fback->maxpacket;
+
+	req_fback = usb_ep_alloc_request(ep_fback, GFP_ATOMIC);
+	if (req_fback == NULL)
+		return -ENOMEM;
+
+	prm->req_fback = req_fback;
+	req_fback->zero = 0;
+	req_fback->context = prm;
+	req_fback->length = req_len;
+	req_fback->complete = u_audio_iso_fback_complete;
+
+	req_fback->buf = kzalloc(req_len, GFP_ATOMIC);
+	if (!req_fback->buf)
+		return -ENOMEM;
+
+	/*
+	 * Configure the feedback endpoint's reported frequency.
+	 * Always start with original frequency since its deviation can't
+	 * be meauserd at start of playback
+	 */
+	prm->pitch = 1000000;
+	u_audio_set_fback_frequency(audio_dev->gadget->speed, ep,
+				    params->c_srate, prm->pitch,
+				    req_fback->buf);
+
+	if (usb_ep_queue(ep_fback, req_fback, GFP_ATOMIC))
+		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(u_audio_start_capture);
@@ -404,6 +528,8 @@
 {
 	struct snd_uac_chip *uac = audio_dev->uac;
 
+	if (audio_dev->in_ep_fback)
+		free_ep_fback(&uac->c_prm, audio_dev->in_ep_fback);
 	free_ep(&uac->c_prm, audio_dev->out_ep);
 }
 EXPORT_SYMBOL_GPL(u_audio_stop_capture);
@@ -455,22 +581,21 @@
 	usb_ep_enable(ep);
 
 	for (i = 0; i < params->req_number; i++) {
-		if (!prm->ureq[i].req) {
+		if (!prm->reqs[i]) {
 			req = usb_ep_alloc_request(ep, GFP_ATOMIC);
 			if (req == NULL)
 				return -ENOMEM;
 
-			prm->ureq[i].req = req;
-			prm->ureq[i].pp = prm;
+			prm->reqs[i] = req;
 
 			req->zero = 0;
-			req->context = &prm->ureq[i];
+			req->context = prm;
 			req->length = req_len;
 			req->complete = u_audio_iso_complete;
 			req->buf = prm->rbuf + i * ep->maxpacket;
 		}
 
-		if (usb_ep_queue(ep, prm->ureq[i].req, GFP_ATOMIC))
+		if (usb_ep_queue(ep, prm->reqs[i], GFP_ATOMIC))
 			dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
 	}
 
@@ -486,12 +611,82 @@
 }
 EXPORT_SYMBOL_GPL(u_audio_stop_playback);
 
+static int u_audio_pitch_info(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_info *uinfo)
+{
+	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+	struct snd_uac_chip *uac = prm->uac;
+	struct g_audio *audio_dev = uac->audio_dev;
+	struct uac_params *params = &audio_dev->params;
+	unsigned int pitch_min, pitch_max;
+
+	pitch_min = (1000 - FBACK_SLOW_MAX) * 1000;
+	pitch_max = (1000 + params->fb_max) * 1000;
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = pitch_min;
+	uinfo->value.integer.max = pitch_max;
+	uinfo->value.integer.step = 1;
+	return 0;
+}
+
+static int u_audio_pitch_get(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = prm->pitch;
+
+	return 0;
+}
+
+static int u_audio_pitch_put(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+	struct snd_uac_chip *uac = prm->uac;
+	struct g_audio *audio_dev = uac->audio_dev;
+	struct uac_params *params = &audio_dev->params;
+	unsigned int val;
+	unsigned int pitch_min, pitch_max;
+	int change = 0;
+
+	pitch_min = (1000 - FBACK_SLOW_MAX) * 1000;
+	pitch_max = (1000 + params->fb_max) * 1000;
+
+	val = ucontrol->value.integer.value[0];
+
+	if (val < pitch_min)
+		val = pitch_min;
+	if (val > pitch_max)
+		val = pitch_max;
+
+	if (prm->pitch != val) {
+		prm->pitch = val;
+		change = 1;
+	}
+
+	return change;
+}
+
+static const struct snd_kcontrol_new u_audio_controls[]  = {
+{
+	.iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+	.name =         "Capture Pitch 1000000",
+	.info =         u_audio_pitch_info,
+	.get =          u_audio_pitch_get,
+	.put =          u_audio_pitch_put,
+},
+};
+
 int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
 					const char *card_name)
 {
 	struct snd_uac_chip *uac;
 	struct snd_card *card;
 	struct snd_pcm *pcm;
+	struct snd_kcontrol *kctl;
 	struct uac_params *params;
 	int p_chmask, c_chmask;
 	int err;
@@ -515,9 +710,10 @@
 		uac->c_prm.uac = uac;
 		prm->max_psize = g_audio->out_ep_maxpsize;
 
-		prm->ureq = kcalloc(params->req_number, sizeof(struct uac_req),
-				GFP_KERNEL);
-		if (!prm->ureq) {
+		prm->reqs = kcalloc(params->req_number,
+				    sizeof(struct usb_request *),
+				    GFP_KERNEL);
+		if (!prm->reqs) {
 			err = -ENOMEM;
 			goto fail;
 		}
@@ -537,9 +733,10 @@
 		uac->p_prm.uac = uac;
 		prm->max_psize = g_audio->in_ep_maxpsize;
 
-		prm->ureq = kcalloc(params->req_number, sizeof(struct uac_req),
-				GFP_KERNEL);
-		if (!prm->ureq) {
+		prm->reqs = kcalloc(params->req_number,
+				    sizeof(struct usb_request *),
+				    GFP_KERNEL);
+		if (!prm->reqs) {
 			err = -ENOMEM;
 			goto fail;
 		}
@@ -570,15 +767,32 @@
 	if (err < 0)
 		goto snd_fail;
 
-	strlcpy(pcm->name, pcm_name, sizeof(pcm->name));
+	strscpy(pcm->name, pcm_name, sizeof(pcm->name));
 	pcm->private_data = uac;
 	uac->pcm = pcm;
 
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &uac_pcm_ops);
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &uac_pcm_ops);
 
-	strlcpy(card->driver, card_name, sizeof(card->driver));
-	strlcpy(card->shortname, card_name, sizeof(card->shortname));
+	if (c_chmask && g_audio->in_ep_fback) {
+		strscpy(card->mixername, card_name, sizeof(card->driver));
+
+		kctl = snd_ctl_new1(&u_audio_controls[0], &uac->c_prm);
+		if (!kctl) {
+			err = -ENOMEM;
+			goto snd_fail;
+		}
+
+		kctl->id.device = pcm->device;
+		kctl->id.subdevice = 0;
+
+		err = snd_ctl_add(card, kctl);
+		if (err < 0)
+			goto snd_fail;
+	}
+
+	strscpy(card->driver, card_name, sizeof(card->driver));
+	strscpy(card->shortname, card_name, sizeof(card->shortname));
 	sprintf(card->longname, "%s %i", card_name, card->dev->id);
 
 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
@@ -592,8 +806,8 @@
 snd_fail:
 	snd_card_free(card);
 fail:
-	kfree(uac->p_prm.ureq);
-	kfree(uac->c_prm.ureq);
+	kfree(uac->p_prm.reqs);
+	kfree(uac->c_prm.reqs);
 	kfree(uac->p_prm.rbuf);
 	kfree(uac->c_prm.rbuf);
 	kfree(uac);
@@ -615,8 +829,8 @@
 	if (card)
 		snd_card_free_when_closed(card);
 
-	kfree(uac->p_prm.ureq);
-	kfree(uac->c_prm.ureq);
+	kfree(uac->p_prm.reqs);
+	kfree(uac->c_prm.reqs);
 	kfree(uac->p_prm.rbuf);
 	kfree(uac->c_prm.rbuf);
 	kfree(uac);
diff --git a/drivers/usb/gadget/function/u_audio.h b/drivers/usb/gadget/function/u_audio.h
index 5ea6b86..a218cdf 100644
--- a/drivers/usb/gadget/function/u_audio.h
+++ b/drivers/usb/gadget/function/u_audio.h
@@ -11,6 +11,14 @@
 
 #include <linux/usb/composite.h>
 
+/*
+ * Same maximum frequency deviation on the slower side as in
+ * sound/usb/endpoint.c. Value is expressed in per-mil deviation.
+ * The maximum deviation on the faster side will be provided as
+ * parameter, as it impacts the endpoint required bandwidth.
+ */
+#define FBACK_SLOW_MAX	250
+
 struct uac_params {
 	/* playback */
 	int p_chmask;	/* channel mask */
@@ -23,6 +31,7 @@
 	int c_ssize;	/* sample size */
 
 	int req_number; /* number of preallocated requests */
+	int fb_max;	/* upper frequency drift feedback limit per-mil */
 };
 
 struct g_audio {
@@ -30,7 +39,10 @@
 	struct usb_gadget *gadget;
 
 	struct usb_ep *in_ep;
+
 	struct usb_ep *out_ep;
+	/* feedback IN endpoint corresponding to out_ep */
+	struct usb_ep *in_ep_fback;
 
 	/* Max packet size for all in_ep possible speeds */
 	unsigned int in_ep_maxpsize;
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index 5e5f699..a19279d 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -81,6 +81,7 @@
 
 	bool			zlp;
 	bool			no_skb_reserve;
+	bool			ifname_set;
 	u8			host_mac[ETH_ALEN];
 	u8			dev_mac[ETH_ALEN];
 };
@@ -144,10 +145,10 @@
 {
 	struct eth_dev *dev = netdev_priv(net);
 
-	strlcpy(p->driver, "g_ether", sizeof(p->driver));
-	strlcpy(p->version, UETH__VERSION, sizeof(p->version));
-	strlcpy(p->fw_version, dev->gadget->name, sizeof(p->fw_version));
-	strlcpy(p->bus_info, dev_name(&dev->gadget->dev), sizeof(p->bus_info));
+	strscpy(p->driver, "g_ether", sizeof(p->driver));
+	strscpy(p->version, UETH__VERSION, sizeof(p->version));
+	strscpy(p->fw_version, dev->gadget->name, sizeof(p->fw_version));
+	strscpy(p->bus_info, dev_name(&dev->gadget->dev), sizeof(p->bus_info));
 }
 
 /* REVISIT can also support:
@@ -1010,15 +1011,45 @@
 
 int gether_get_ifname(struct net_device *net, char *name, int len)
 {
+	struct eth_dev *dev = netdev_priv(net);
 	int ret;
 
 	rtnl_lock();
-	ret = scnprintf(name, len, "%s\n", netdev_name(net));
+	ret = scnprintf(name, len, "%s\n",
+			dev->ifname_set ? net->name : netdev_name(net));
 	rtnl_unlock();
 	return ret;
 }
 EXPORT_SYMBOL_GPL(gether_get_ifname);
 
+int gether_set_ifname(struct net_device *net, const char *name, int len)
+{
+	struct eth_dev *dev = netdev_priv(net);
+	char tmp[IFNAMSIZ];
+	const char *p;
+
+	if (name[len - 1] == '\n')
+		len--;
+
+	if (len >= sizeof(tmp))
+		return -E2BIG;
+
+	strscpy(tmp, name, len + 1);
+	if (!dev_valid_name(tmp))
+		return -EINVAL;
+
+	/* Require exactly one %d, so binding will not fail with EEXIST. */
+	p = strchr(name, '%');
+	if (!p || p[1] != 'd' || strchr(p + 2, '%'))
+		return -EINVAL;
+
+	strncpy(net->name, tmp, sizeof(net->name));
+	dev->ifname_set = true;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(gether_set_ifname);
+
 /*
  * gether_cleanup - remove Ethernet-over-USB device
  * Context: may sleep
diff --git a/drivers/usb/gadget/function/u_ether.h b/drivers/usb/gadget/function/u_ether.h
index 10dd640..4014454 100644
--- a/drivers/usb/gadget/function/u_ether.h
+++ b/drivers/usb/gadget/function/u_ether.h
@@ -244,6 +244,18 @@
  */
 int gether_get_ifname(struct net_device *net, char *name, int len);
 
+/**
+ * gether_set_ifname - set an ethernet-over-usb link interface name
+ * @net: device representing this link
+ * @name: new interface name
+ * @len: length of @name
+ *
+ * This sets the interface name of this ethernet-over-usb link.
+ * A single terminating newline, if any, is ignored.
+ * Returns zero on success, else negative errno.
+ */
+int gether_set_ifname(struct net_device *net, const char *name, int len);
+
 void gether_cleanup(struct eth_dev *dev);
 
 /* connect/disconnect is handled by individual functions */
diff --git a/drivers/usb/gadget/function/u_ether_configfs.h b/drivers/usb/gadget/function/u_ether_configfs.h
index f982e18..f558c31 100644
--- a/drivers/usb/gadget/function/u_ether_configfs.h
+++ b/drivers/usb/gadget/function/u_ether_configfs.h
@@ -148,7 +148,20 @@
 		return ret;						\
 	}								\
 									\
-	CONFIGFS_ATTR_RO(_f_##_opts_, ifname)
+	static ssize_t _f_##_opts_ifname_store(struct config_item *item, \
+					       const char *page, size_t len)\
+	{								\
+		struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item);	\
+		int ret = -EBUSY;					\
+									\
+		mutex_lock(&opts->lock);				\
+		if (!opts->refcnt)					\
+			ret = gether_set_ifname(opts->net, page, len);	\
+		mutex_unlock(&opts->lock);				\
+		return ret ?: len;					\
+	}								\
+									\
+	CONFIGFS_ATTR(_f_##_opts_, ifname)
 
 #define USB_ETHER_CONFIGFS_ITEM_ATTR_U8_RW(_f_, _n_)			\
 	static ssize_t _f_##_opts_##_n_##_show(struct config_item *item,\
diff --git a/drivers/usb/gadget/function/u_phonet.h b/drivers/usb/gadget/function/u_phonet.h
index c53233b..ff62ca2 100644
--- a/drivers/usb/gadget/function/u_phonet.h
+++ b/drivers/usb/gadget/function/u_phonet.h
@@ -20,7 +20,6 @@
 struct net_device *gphonet_setup_default(void);
 void gphonet_set_gadget(struct net_device *net, struct usb_gadget *g);
 int gphonet_register_netdev(struct net_device *net);
-int phonet_bind_config(struct usb_configuration *c, struct net_device *dev);
 void gphonet_cleanup(struct net_device *dev);
 
 #endif /* __U_PHONET_H */
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index a717b53..faaea15 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -261,9 +261,7 @@
 		list_del(&req->list);
 		req->zero = kfifo_is_empty(&port->port_write_buf);
 
-		pr_vdebug("ttyGS%d: tx len=%d, 0x%02x 0x%02x 0x%02x ...\n",
-			  port->port_num, len, *((u8 *)req->buf),
-			  *((u8 *)req->buf+1), *((u8 *)req->buf+2));
+		pr_vdebug("ttyGS%d: tx len=%d, %3ph ...\n", port->port_num, len, req->buf);
 
 		/* Drop lock while we call out of driver; completions
 		 * could be issued while we do so.  Disconnection may
@@ -349,7 +347,7 @@
 }
 
 /*
- * RX tasklet takes data out of the RX queue and hands it up to the TTY
+ * RX work takes data out of the RX queue and hands it up to the TTY
  * layer until it refuses to take any more data (or is throttled back).
  * Then it issues reads for any further data.
  *
@@ -540,16 +538,20 @@
 static int gs_start_io(struct gs_port *port)
 {
 	struct list_head	*head = &port->read_pool;
-	struct usb_ep		*ep = port->port_usb->out;
+	struct usb_ep		*ep;
 	int			status;
 	unsigned		started;
 
+	if (!port->port_usb || !port->port.tty)
+		return -EIO;
+
 	/* Allocate RX and TX I/O buffers.  We can't easily do this much
 	 * earlier (with GFP_KERNEL) because the requests are coupled to
 	 * endpoints, as are the packet sizes we'll be using.  Different
 	 * configurations may use different endpoints with a given port;
 	 * and high speed vs full speed changes packet sizes too.
 	 */
+	ep = port->port_usb->out;
 	status = gs_alloc_requests(ep, head, gs_read_complete,
 		&port->read_allocated);
 	if (status)
@@ -712,7 +714,7 @@
 
 	/* Iff we're disconnected, there can be no I/O in flight so it's
 	 * ok to free the circular buffer; else just scrub it.  And don't
-	 * let the push tasklet fire again until we're re-opened.
+	 * let the push async work fire again until we're re-opened.
 	 */
 	if (gser == NULL)
 		kfifo_free(&port->port_write_buf);
diff --git a/drivers/usb/gadget/function/u_serial.h b/drivers/usb/gadget/function/u_serial.h
index 102a732..901d993 100644
--- a/drivers/usb/gadget/function/u_serial.h
+++ b/drivers/usb/gadget/function/u_serial.h
@@ -71,8 +71,4 @@
 void gserial_suspend(struct gserial *p);
 void gserial_resume(struct gserial *p);
 
-/* functions are bound to configurations by a config or gadget driver */
-int gser_bind_config(struct usb_configuration *c, u8 port_num);
-int obex_bind_config(struct usb_configuration *c, u8 port_num);
-
 #endif /* __U_SERIAL_H */
diff --git a/drivers/usb/gadget/function/u_uac2.h b/drivers/usb/gadget/function/u_uac2.h
index b503571..179d3ef 100644
--- a/drivers/usb/gadget/function/u_uac2.h
+++ b/drivers/usb/gadget/function/u_uac2.h
@@ -21,7 +21,9 @@
 #define UAC2_DEF_CCHMASK 0x3
 #define UAC2_DEF_CSRATE 64000
 #define UAC2_DEF_CSSIZE 2
+#define UAC2_DEF_CSYNC		USB_ENDPOINT_SYNC_ASYNC
 #define UAC2_DEF_REQ_NUM 2
+#define UAC2_DEF_FB_MAX 5
 
 struct f_uac2_opts {
 	struct usb_function_instance	func_inst;
@@ -31,7 +33,9 @@
 	int				c_chmask;
 	int				c_srate;
 	int				c_ssize;
+	int				c_sync;
 	int				req_number;
+	int				fb_max;
 	bool				bound;
 
 	struct mutex			lock;
diff --git a/drivers/usb/gadget/function/u_uvc.h b/drivers/usb/gadget/function/u_uvc.h
index 9a01a7d..24b8681 100644
--- a/drivers/usb/gadget/function/u_uvc.h
+++ b/drivers/usb/gadget/function/u_uvc.h
@@ -27,6 +27,7 @@
 
 	unsigned int					control_interface;
 	unsigned int					streaming_interface;
+	char						function_name[32];
 
 	/*
 	 * Control descriptors array pointers for full-/high-speed and
diff --git a/drivers/usb/gadget/function/uvc.h b/drivers/usb/gadget/function/uvc.h
index 6c4fc49..0f7fe08 100644
--- a/drivers/usb/gadget/function/uvc.h
+++ b/drivers/usb/gadget/function/uvc.h
@@ -66,19 +66,30 @@
  * Driver specific constants
  */
 
-#define UVC_NUM_REQUESTS			4
 #define UVC_MAX_REQUEST_SIZE			64
 #define UVC_MAX_EVENTS				4
 
+#define UVCG_REQUEST_HEADER_LEN			12
+
 /* ------------------------------------------------------------------------
  * Structures
  */
+struct uvc_request {
+	struct usb_request *req;
+	u8 *req_buffer;
+	struct uvc_video *video;
+	struct sg_table sgt;
+	u8 header[UVCG_REQUEST_HEADER_LEN];
+	struct uvc_buffer *last_buf;
+	struct list_head list;
+};
 
 struct uvc_video {
 	struct uvc_device *uvc;
 	struct usb_ep *ep;
 
 	struct work_struct pump;
+	struct workqueue_struct *async_wq;
 
 	/* Frame parameters */
 	u8 bpp;
@@ -88,13 +99,25 @@
 	unsigned int imagesize;
 	struct mutex mutex;	/* protects frame parameters */
 
+	unsigned int uvc_num_requests;
+
 	/* Requests */
+	bool is_enabled; /* tracks whether video stream is enabled */
 	unsigned int req_size;
-	struct usb_request *req[UVC_NUM_REQUESTS];
-	__u8 *req_buffer[UVC_NUM_REQUESTS];
+	struct list_head ureqs; /* all uvc_requests allocated by uvc_video */
+
+	/* USB requests that the video pump thread can encode into */
 	struct list_head req_free;
+
+	/*
+	 * USB requests video pump thread has already encoded into. These are
+	 * ready to be queued to the endpoint.
+	 */
+	struct list_head req_ready;
 	spinlock_t req_lock;
 
+	unsigned int req_int_count;
+
 	void (*encode) (struct usb_request *req, struct uvc_video *video,
 			struct uvc_buffer *buf);
 
@@ -121,6 +144,8 @@
 	bool func_connected;
 	wait_queue_head_t func_connected_queue;
 
+	struct uvcg_streaming_header *header;
+
 	/* Descriptors */
 	struct {
 		const struct uvc_descriptor_header * const *fs_control;
@@ -160,9 +185,7 @@
  * Functions
  */
 
-extern void uvc_function_setup_continue(struct uvc_device *uvc);
-extern void uvc_endpoint_stream(struct uvc_device *dev);
-
+extern void uvc_function_setup_continue(struct uvc_device *uvc, int disable_ep);
 extern void uvc_function_connect(struct uvc_device *uvc);
 extern void uvc_function_disconnect(struct uvc_device *uvc);
 
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index 2db0117..fd9fdbb 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -10,17 +10,14 @@
  * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
  */
 
-#include <linux/sort.h>
-
-#include "u_uvc.h"
 #include "uvc_configfs.h"
 
+#include <linux/sort.h>
+
 /* -----------------------------------------------------------------------------
  * Global Utility Structures and Macros
  */
 
-#define UVCG_STREAMING_CONTROL_SIZE	1
-
 #define UVC_ATTR(prefix, cname, aname) \
 static struct configfs_attribute prefix##attr_##cname = { \
 	.ca_name	= __stringify(aname),				\
@@ -49,12 +46,6 @@
 	return li < ri ? -1 : li == ri ? 0 : 1;
 }
 
-static inline struct f_uvc_opts *to_f_uvc_opts(struct config_item *item)
-{
-	return container_of(to_config_group(item), struct f_uvc_opts,
-			    func_inst.group);
-}
-
 struct uvcg_config_group_type {
 	struct config_item_type type;
 	const char *name;
@@ -125,19 +116,6 @@
  * control/header
  */
 
-DECLARE_UVC_HEADER_DESCRIPTOR(1);
-
-struct uvcg_control_header {
-	struct config_item		item;
-	struct UVC_HEADER_DESCRIPTOR(1)	desc;
-	unsigned			linked;
-};
-
-static struct uvcg_control_header *to_uvcg_control_header(struct config_item *item)
-{
-	return container_of(item, struct uvcg_control_header, item);
-}
-
 #define UVCG_CTRL_HDR_ATTR(cname, aname, bits, limit)			\
 static ssize_t uvcg_control_header_##cname##_show(			\
 	struct config_item *item, char *page)				\
@@ -826,24 +804,6 @@
 	"mjpeg",
 };
 
-enum uvcg_format_type {
-	UVCG_UNCOMPRESSED = 0,
-	UVCG_MJPEG,
-};
-
-struct uvcg_format {
-	struct config_group	group;
-	enum uvcg_format_type	type;
-	unsigned		linked;
-	unsigned		num_frames;
-	__u8			bmaControls[UVCG_STREAMING_CONTROL_SIZE];
-};
-
-static struct uvcg_format *to_uvcg_format(struct config_item *item)
-{
-	return container_of(to_config_group(item), struct uvcg_format, group);
-}
-
 static ssize_t uvcg_format_bma_controls_show(struct uvcg_format *f, char *page)
 {
 	struct f_uvc_opts *opts;
@@ -902,29 +862,11 @@
 	return ret;
 }
 
-struct uvcg_format_ptr {
-	struct uvcg_format	*fmt;
-	struct list_head	entry;
-};
-
 /* -----------------------------------------------------------------------------
  * streaming/header/<NAME>
  * streaming/header
  */
 
-struct uvcg_streaming_header {
-	struct config_item				item;
-	struct uvc_input_header_descriptor		desc;
-	unsigned					linked;
-	struct list_head				formats;
-	unsigned					num_fmt;
-};
-
-static struct uvcg_streaming_header *to_uvcg_streaming_header(struct config_item *item)
-{
-	return container_of(item, struct uvcg_streaming_header, item);
-}
-
 static void uvcg_format_set_indices(struct config_group *fmt);
 
 static int uvcg_streaming_header_allow_link(struct config_item *src,
@@ -1121,31 +1063,6 @@
  * streaming/<mode>/<format>/<NAME>
  */
 
-struct uvcg_frame {
-	struct config_item	item;
-	enum uvcg_format_type	fmt_type;
-	struct {
-		u8	b_length;
-		u8	b_descriptor_type;
-		u8	b_descriptor_subtype;
-		u8	b_frame_index;
-		u8	bm_capabilities;
-		u16	w_width;
-		u16	w_height;
-		u32	dw_min_bit_rate;
-		u32	dw_max_bit_rate;
-		u32	dw_max_video_frame_buffer_size;
-		u32	dw_default_frame_interval;
-		u8	b_frame_interval_type;
-	} __attribute__((packed)) frame;
-	u32 *dw_frame_interval;
-};
-
-static struct uvcg_frame *to_uvcg_frame(struct config_item *item)
-{
-	return container_of(item, struct uvcg_frame, item);
-}
-
 #define UVCG_FRAME_ATTR(cname, aname, bits) \
 static ssize_t uvcg_frame_##cname##_show(struct config_item *item, char *page)\
 {									\
@@ -1407,6 +1324,7 @@
 	struct uvcg_format *fmt;
 	struct f_uvc_opts *opts;
 	struct config_item *opts_item;
+	struct uvcg_frame_ptr *frame_ptr;
 
 	h = kzalloc(sizeof(*h), GFP_KERNEL);
 	if (!h)
@@ -1437,6 +1355,16 @@
 		kfree(h);
 		return ERR_PTR(-EINVAL);
 	}
+
+	frame_ptr = kzalloc(sizeof(*frame_ptr), GFP_KERNEL);
+	if (!frame_ptr) {
+		mutex_unlock(&opts->lock);
+		kfree(h);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	frame_ptr->frm = h;
+	list_add_tail(&frame_ptr->entry, &fmt->frames);
 	++fmt->num_frames;
 	mutex_unlock(&opts->lock);
 
@@ -1450,13 +1378,23 @@
 	struct uvcg_format *fmt;
 	struct f_uvc_opts *opts;
 	struct config_item *opts_item;
+	struct uvcg_frame *target_frm = NULL;
+	struct uvcg_frame_ptr *frame_ptr, *tmp;
 
 	opts_item = group->cg_item.ci_parent->ci_parent->ci_parent;
 	opts = to_f_uvc_opts(opts_item);
 
 	mutex_lock(&opts->lock);
+	target_frm = container_of(item, struct uvcg_frame, item);
 	fmt = to_uvcg_format(&group->cg_item);
-	--fmt->num_frames;
+
+	list_for_each_entry_safe(frame_ptr, tmp, &fmt->frames, entry)
+		if (frame_ptr->frm == target_frm) {
+			list_del(&frame_ptr->entry);
+			kfree(frame_ptr);
+			--fmt->num_frames;
+			break;
+		}
 	mutex_unlock(&opts->lock);
 
 	config_item_put(item);
@@ -1482,18 +1420,6 @@
  * streaming/uncompressed/<NAME>
  */
 
-struct uvcg_uncompressed {
-	struct uvcg_format		fmt;
-	struct uvc_format_uncompressed	desc;
-};
-
-static struct uvcg_uncompressed *to_uvcg_uncompressed(struct config_item *item)
-{
-	return container_of(
-		container_of(to_config_group(item), struct uvcg_format, group),
-		struct uvcg_uncompressed, fmt);
-}
-
 static struct configfs_group_operations uvcg_uncompressed_group_ops = {
 	.make_item		= uvcg_frame_make,
 	.drop_item		= uvcg_frame_drop,
@@ -1627,6 +1553,12 @@
 	if (ret)							\
 		goto end;						\
 									\
+	/* index values in uvc are never 0 */				\
+	if (!num) {							\
+		ret = -EINVAL;						\
+		goto end;						\
+	}								\
+									\
 	u->desc.aname = num;						\
 	ret = len;							\
 end:									\
@@ -1642,7 +1574,7 @@
 UVCG_UNCOMPRESSED_ATTR(b_default_frame_index, bDefaultFrameIndex, 8);
 UVCG_UNCOMPRESSED_ATTR_RO(b_aspect_ratio_x, bAspectRatioX, 8);
 UVCG_UNCOMPRESSED_ATTR_RO(b_aspect_ratio_y, bAspectRatioY, 8);
-UVCG_UNCOMPRESSED_ATTR_RO(bm_interface_flags, bmInterfaceFlags, 8);
+UVCG_UNCOMPRESSED_ATTR_RO(bm_interlace_flags, bmInterlaceFlags, 8);
 
 #undef UVCG_UNCOMPRESSED_ATTR
 #undef UVCG_UNCOMPRESSED_ATTR_RO
@@ -1671,7 +1603,7 @@
 	&uvcg_uncompressed_attr_b_default_frame_index,
 	&uvcg_uncompressed_attr_b_aspect_ratio_x,
 	&uvcg_uncompressed_attr_b_aspect_ratio_y,
-	&uvcg_uncompressed_attr_bm_interface_flags,
+	&uvcg_uncompressed_attr_bm_interlace_flags,
 	&uvcg_uncompressed_attr_bma_controls,
 	NULL,
 };
@@ -1704,9 +1636,10 @@
 	h->desc.bDefaultFrameIndex	= 1;
 	h->desc.bAspectRatioX		= 0;
 	h->desc.bAspectRatioY		= 0;
-	h->desc.bmInterfaceFlags	= 0;
+	h->desc.bmInterlaceFlags	= 0;
 	h->desc.bCopyProtect		= 0;
 
+	INIT_LIST_HEAD(&h->fmt.frames);
 	h->fmt.type = UVCG_UNCOMPRESSED;
 	config_group_init_type_name(&h->fmt.group, name,
 				    &uvcg_uncompressed_type);
@@ -1731,18 +1664,6 @@
  * streaming/mjpeg/<NAME>
  */
 
-struct uvcg_mjpeg {
-	struct uvcg_format		fmt;
-	struct uvc_format_mjpeg		desc;
-};
-
-static struct uvcg_mjpeg *to_uvcg_mjpeg(struct config_item *item)
-{
-	return container_of(
-		container_of(to_config_group(item), struct uvcg_format, group),
-		struct uvcg_mjpeg, fmt);
-}
-
 static struct configfs_group_operations uvcg_mjpeg_group_ops = {
 	.make_item		= uvcg_frame_make,
 	.drop_item		= uvcg_frame_drop,
@@ -1820,6 +1741,12 @@
 	if (ret)							\
 		goto end;						\
 									\
+	/* index values in uvc are never 0 */				\
+	if (!num) {							\
+		ret = -EINVAL;						\
+		goto end;						\
+	}								\
+									\
 	u->desc.aname = num;						\
 	ret = len;							\
 end:									\
@@ -1835,7 +1762,7 @@
 UVCG_MJPEG_ATTR_RO(bm_flags, bmFlags, 8);
 UVCG_MJPEG_ATTR_RO(b_aspect_ratio_x, bAspectRatioX, 8);
 UVCG_MJPEG_ATTR_RO(b_aspect_ratio_y, bAspectRatioY, 8);
-UVCG_MJPEG_ATTR_RO(bm_interface_flags, bmInterfaceFlags, 8);
+UVCG_MJPEG_ATTR_RO(bm_interlace_flags, bmInterlaceFlags, 8);
 
 #undef UVCG_MJPEG_ATTR
 #undef UVCG_MJPEG_ATTR_RO
@@ -1863,7 +1790,7 @@
 	&uvcg_mjpeg_attr_bm_flags,
 	&uvcg_mjpeg_attr_b_aspect_ratio_x,
 	&uvcg_mjpeg_attr_b_aspect_ratio_y,
-	&uvcg_mjpeg_attr_bm_interface_flags,
+	&uvcg_mjpeg_attr_bm_interlace_flags,
 	&uvcg_mjpeg_attr_bma_controls,
 	NULL,
 };
@@ -1890,9 +1817,10 @@
 	h->desc.bDefaultFrameIndex	= 1;
 	h->desc.bAspectRatioX		= 0;
 	h->desc.bAspectRatioY		= 0;
-	h->desc.bmInterfaceFlags	= 0;
+	h->desc.bmInterlaceFlags	= 0;
 	h->desc.bCopyProtect		= 0;
 
+	INIT_LIST_HEAD(&h->fmt.frames);
 	h->fmt.type = UVCG_MJPEG;
 	config_group_init_type_name(&h->fmt.group, name,
 				    &uvcg_mjpeg_type);
@@ -2487,10 +2415,53 @@
 
 #undef UVCG_OPTS_ATTR
 
+#define UVCG_OPTS_STRING_ATTR(cname, aname)				\
+static ssize_t f_uvc_opts_string_##cname##_show(struct config_item *item,\
+					 char *page)			\
+{									\
+	struct f_uvc_opts *opts = to_f_uvc_opts(item);			\
+	int result;							\
+									\
+	mutex_lock(&opts->lock);					\
+	result = snprintf(page, sizeof(opts->aname), "%s", opts->aname);\
+	mutex_unlock(&opts->lock);					\
+									\
+	return result;							\
+}									\
+									\
+static ssize_t f_uvc_opts_string_##cname##_store(struct config_item *item,\
+					  const char *page, size_t len)	\
+{									\
+	struct f_uvc_opts *opts = to_f_uvc_opts(item);			\
+	int size = min(sizeof(opts->aname), len + 1);			\
+	int ret = 0;							\
+									\
+	mutex_lock(&opts->lock);					\
+	if (opts->refcnt) {						\
+		ret = -EBUSY;						\
+		goto end;						\
+	}								\
+									\
+	ret = strscpy(opts->aname, page, size);				\
+	if (ret == -E2BIG)						\
+		ret = size - 1;						\
+									\
+end:									\
+	mutex_unlock(&opts->lock);					\
+	return ret;							\
+}									\
+									\
+UVC_ATTR(f_uvc_opts_string_, cname, aname)
+
+UVCG_OPTS_STRING_ATTR(function_name, function_name);
+
+#undef UVCG_OPTS_STRING_ATTR
+
 static struct configfs_attribute *uvc_attrs[] = {
 	&f_uvc_opts_attr_streaming_interval,
 	&f_uvc_opts_attr_streaming_maxpacket,
 	&f_uvc_opts_attr_streaming_maxburst,
+	&f_uvc_opts_string_attr_function_name,
 	NULL,
 };
 
diff --git a/drivers/usb/gadget/function/uvc_configfs.h b/drivers/usb/gadget/function/uvc_configfs.h
index 7e1d7ca..ad2ec8c 100644
--- a/drivers/usb/gadget/function/uvc_configfs.h
+++ b/drivers/usb/gadget/function/uvc_configfs.h
@@ -12,7 +12,125 @@
 #ifndef UVC_CONFIGFS_H
 #define UVC_CONFIGFS_H
 
-struct f_uvc_opts;
+#include <linux/configfs.h>
+
+#include "u_uvc.h"
+
+static inline struct f_uvc_opts *to_f_uvc_opts(struct config_item *item)
+{
+	return container_of(to_config_group(item), struct f_uvc_opts,
+			    func_inst.group);
+}
+
+#define UVCG_STREAMING_CONTROL_SIZE	1
+
+DECLARE_UVC_HEADER_DESCRIPTOR(1);
+
+struct uvcg_control_header {
+	struct config_item		item;
+	struct UVC_HEADER_DESCRIPTOR(1)	desc;
+	unsigned			linked;
+};
+
+static inline struct uvcg_control_header *to_uvcg_control_header(struct config_item *item)
+{
+	return container_of(item, struct uvcg_control_header, item);
+}
+
+enum uvcg_format_type {
+	UVCG_UNCOMPRESSED = 0,
+	UVCG_MJPEG,
+};
+
+struct uvcg_format {
+	struct config_group	group;
+	enum uvcg_format_type	type;
+	unsigned		linked;
+	struct list_head	frames;
+	unsigned		num_frames;
+	__u8			bmaControls[UVCG_STREAMING_CONTROL_SIZE];
+};
+
+struct uvcg_format_ptr {
+	struct uvcg_format	*fmt;
+	struct list_head	entry;
+};
+
+static inline struct uvcg_format *to_uvcg_format(struct config_item *item)
+{
+	return container_of(to_config_group(item), struct uvcg_format, group);
+}
+
+struct uvcg_streaming_header {
+	struct config_item				item;
+	struct uvc_input_header_descriptor		desc;
+	unsigned					linked;
+	struct list_head				formats;
+	unsigned					num_fmt;
+};
+
+static inline struct uvcg_streaming_header *to_uvcg_streaming_header(struct config_item *item)
+{
+	return container_of(item, struct uvcg_streaming_header, item);
+}
+
+struct uvcg_frame_ptr {
+	struct uvcg_frame	*frm;
+	struct list_head	entry;
+};
+
+struct uvcg_frame {
+	struct config_item	item;
+	enum uvcg_format_type	fmt_type;
+	struct {
+		u8	b_length;
+		u8	b_descriptor_type;
+		u8	b_descriptor_subtype;
+		u8	b_frame_index;
+		u8	bm_capabilities;
+		u16	w_width;
+		u16	w_height;
+		u32	dw_min_bit_rate;
+		u32	dw_max_bit_rate;
+		u32	dw_max_video_frame_buffer_size;
+		u32	dw_default_frame_interval;
+		u8	b_frame_interval_type;
+	} __attribute__((packed)) frame;
+	u32 *dw_frame_interval;
+};
+
+static inline struct uvcg_frame *to_uvcg_frame(struct config_item *item)
+{
+	return container_of(item, struct uvcg_frame, item);
+}
+
+/* -----------------------------------------------------------------------------
+ * streaming/uncompressed/<NAME>
+ */
+
+struct uvcg_uncompressed {
+	struct uvcg_format		fmt;
+	struct uvc_format_uncompressed	desc;
+};
+
+static inline struct uvcg_uncompressed *to_uvcg_uncompressed(struct config_item *item)
+{
+	return container_of(to_uvcg_format(item), struct uvcg_uncompressed, fmt);
+}
+
+/* -----------------------------------------------------------------------------
+ * streaming/mjpeg/<NAME>
+ */
+
+struct uvcg_mjpeg {
+	struct uvcg_format		fmt;
+	struct uvc_format_mjpeg		desc;
+};
+
+static inline struct uvcg_mjpeg *to_uvcg_mjpeg(struct config_item *item)
+{
+	return container_of(to_uvcg_format(item), struct uvcg_mjpeg, fmt);
+}
 
 int uvcg_attach_configfs(struct f_uvc_opts *opts);
 
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index cab1e30..0aa3d7e 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -17,6 +17,7 @@
 #include <linux/wait.h>
 
 #include <media/v4l2-common.h>
+#include <media/videobuf2-dma-sg.h>
 #include <media/videobuf2-vmalloc.h>
 
 #include "uvc.h"
@@ -43,6 +44,8 @@
 {
 	struct uvc_video_queue *queue = vb2_get_drv_priv(vq);
 	struct uvc_video *video = container_of(queue, struct uvc_video, queue);
+	unsigned int req_size;
+	unsigned int nreq;
 
 	if (*nbuffers > UVC_MAX_VIDEO_BUFFERS)
 		*nbuffers = UVC_MAX_VIDEO_BUFFERS;
@@ -51,6 +54,17 @@
 
 	sizes[0] = video->imagesize;
 
+	req_size = video->ep->maxpacket
+		 * max_t(unsigned int, video->ep->maxburst, 1)
+		 * (video->ep->mult);
+
+	/* We divide by two, to increase the chance to run
+	 * into fewer requests for smaller framesizes.
+	 */
+	nreq = DIV_ROUND_UP(DIV_ROUND_UP(sizes[0], 2), req_size);
+	nreq = clamp(nreq, 4U, 64U);
+	video->uvc_num_requests = nreq;
+
 	return 0;
 }
 
@@ -70,7 +84,12 @@
 		return -ENODEV;
 
 	buf->state = UVC_BUF_STATE_QUEUED;
-	buf->mem = vb2_plane_vaddr(vb, 0);
+	if (queue->use_sg) {
+		buf->sgt = vb2_dma_sg_plane_desc(vb, 0);
+		buf->sg = buf->sgt->sgl;
+	} else {
+		buf->mem = vb2_plane_vaddr(vb, 0);
+	}
 	buf->length = vb2_plane_size(vb, 0);
 	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		buf->bytesused = 0;
@@ -92,7 +111,8 @@
 	if (likely(!(queue->flags & UVC_QUEUE_DISCONNECTED))) {
 		list_add_tail(&buf->queue, &queue->irqqueue);
 	} else {
-		/* If the device is disconnected return the buffer to userspace
+		/*
+		 * If the device is disconnected return the buffer to userspace
 		 * directly. The next QBUF call will fail with -ENODEV.
 		 */
 		buf->state = UVC_BUF_STATE_ERROR;
@@ -110,9 +130,11 @@
 	.wait_finish = vb2_ops_wait_finish,
 };
 
-int uvcg_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
+int uvcg_queue_init(struct uvc_video_queue *queue, struct device *dev, enum v4l2_buf_type type,
 		    struct mutex *lock)
 {
+	struct uvc_video *video = container_of(queue, struct uvc_video, queue);
+	struct usb_composite_dev *cdev = video->uvc->func.config->cdev;
 	int ret;
 
 	queue->queue.type = type;
@@ -121,9 +143,17 @@
 	queue->queue.buf_struct_size = sizeof(struct uvc_buffer);
 	queue->queue.ops = &uvc_queue_qops;
 	queue->queue.lock = lock;
-	queue->queue.mem_ops = &vb2_vmalloc_memops;
-	queue->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
+	if (cdev->gadget->sg_supported) {
+		queue->queue.mem_ops = &vb2_dma_sg_memops;
+		queue->use_sg = 1;
+	} else {
+		queue->queue.mem_ops = &vb2_vmalloc_memops;
+	}
+
+	queue->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY
 				     | V4L2_BUF_FLAG_TSTAMP_SRC_EOF;
+	queue->queue.dev = dev;
+
 	ret = vb2_queue_init(&queue->queue);
 	if (ret)
 		return ret;
@@ -163,18 +193,7 @@
 
 int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)
 {
-	unsigned long flags;
-	int ret;
-
-	ret = vb2_qbuf(&queue->queue, NULL, buf);
-	if (ret < 0)
-		return ret;
-
-	spin_lock_irqsave(&queue->irqlock, flags);
-	ret = (queue->flags & UVC_QUEUE_PAUSED) != 0;
-	queue->flags &= ~UVC_QUEUE_PAUSED;
-	spin_unlock_irqrestore(&queue->irqlock, flags);
-	return ret;
+	return vb2_qbuf(&queue->queue, NULL, buf);
 }
 
 /*
@@ -244,7 +263,8 @@
 	}
 	queue->buf_used = 0;
 
-	/* This must be protected by the irqlock spinlock to avoid race
+	/*
+	 * This must be protected by the irqlock spinlock to avoid race
 	 * conditions between uvc_queue_buffer and the disconnection event that
 	 * could result in an interruptible wait in uvc_dequeue_buffer. Do not
 	 * blindly replace this logic by checking for the UVC_DEV_DISCONNECTED
@@ -284,6 +304,7 @@
 
 		queue->sequence = 0;
 		queue->buf_used = 0;
+		queue->flags &= ~UVC_QUEUE_DROP_INCOMPLETE;
 	} else {
 		ret = vb2_streamoff(&queue->queue, queue->queue.type);
 		if (ret < 0)
@@ -306,33 +327,23 @@
 }
 
 /* called with &queue_irqlock held.. */
-struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
+void uvcg_complete_buffer(struct uvc_video_queue *queue,
 					  struct uvc_buffer *buf)
 {
-	struct uvc_buffer *nextbuf;
-
-	if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) &&
-	     buf->length != buf->bytesused) {
-		buf->state = UVC_BUF_STATE_QUEUED;
+	if (queue->flags & UVC_QUEUE_DROP_INCOMPLETE) {
+		queue->flags &= ~UVC_QUEUE_DROP_INCOMPLETE;
+		buf->state = UVC_BUF_STATE_ERROR;
 		vb2_set_plane_payload(&buf->buf.vb2_buf, 0, 0);
-		return buf;
+		vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_ERROR);
+		return;
 	}
 
-	list_del(&buf->queue);
-	if (!list_empty(&queue->irqqueue))
-		nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
-					   queue);
-	else
-		nextbuf = NULL;
-
 	buf->buf.field = V4L2_FIELD_NONE;
 	buf->buf.sequence = queue->sequence++;
 	buf->buf.vb2_buf.timestamp = ktime_get_ns();
 
 	vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
 	vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
-
-	return nextbuf;
 }
 
 struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue)
@@ -342,8 +353,6 @@
 	if (!list_empty(&queue->irqqueue))
 		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
 				       queue);
-	else
-		queue->flags |= UVC_QUEUE_PAUSED;
 
 	return buf;
 }
diff --git a/drivers/usb/gadget/function/uvc_queue.h b/drivers/usb/gadget/function/uvc_queue.h
index 2f0fff7..41f87b9 100644
--- a/drivers/usb/gadget/function/uvc_queue.h
+++ b/drivers/usb/gadget/function/uvc_queue.h
@@ -34,13 +34,15 @@
 
 	enum uvc_buffer_state state;
 	void *mem;
+	struct sg_table *sgt;
+	struct scatterlist *sg;
+	unsigned int offset;
 	unsigned int length;
 	unsigned int bytesused;
 };
 
 #define UVC_QUEUE_DISCONNECTED		(1 << 0)
 #define UVC_QUEUE_DROP_INCOMPLETE	(1 << 1)
-#define UVC_QUEUE_PAUSED		(1 << 2)
 
 struct uvc_video_queue {
 	struct vb2_queue queue;
@@ -50,6 +52,8 @@
 
 	unsigned int buf_used;
 
+	bool use_sg;
+
 	spinlock_t irqlock;	/* Protects flags and irqqueue */
 	struct list_head irqqueue;
 };
@@ -59,7 +63,7 @@
 	return vb2_is_streaming(&queue->queue);
 }
 
-int uvcg_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
+int uvcg_queue_init(struct uvc_video_queue *queue, struct device *dev, enum v4l2_buf_type type,
 		    struct mutex *lock);
 
 void uvcg_free_buffers(struct uvc_video_queue *queue);
@@ -88,7 +92,7 @@
 
 int uvcg_queue_enable(struct uvc_video_queue *queue, int enable);
 
-struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
+void uvcg_complete_buffer(struct uvc_video_queue *queue,
 					  struct uvc_buffer *buf);
 
 struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue);
diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index 65abd55..dcb26c9 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -18,12 +18,161 @@
 #include <media/v4l2-dev.h>
 #include <media/v4l2-event.h>
 #include <media/v4l2-ioctl.h>
+#include <media/v4l2-uvc.h>
 
 #include "f_uvc.h"
 #include "uvc.h"
 #include "uvc_queue.h"
 #include "uvc_video.h"
 #include "uvc_v4l2.h"
+#include "uvc_configfs.h"
+
+static struct uvc_format_desc *to_uvc_format(struct uvcg_format *uformat)
+{
+	char guid[16] = UVC_GUID_FORMAT_MJPEG;
+	struct uvc_format_desc *format;
+	struct uvcg_uncompressed *unc;
+
+	if (uformat->type == UVCG_UNCOMPRESSED) {
+		unc = to_uvcg_uncompressed(&uformat->group.cg_item);
+		if (!unc)
+			return ERR_PTR(-EINVAL);
+
+		memcpy(guid, unc->desc.guidFormat, sizeof(guid));
+	}
+
+	format = uvc_format_by_guid(guid);
+	if (!format)
+		return ERR_PTR(-EINVAL);
+
+	return format;
+}
+
+static int uvc_v4l2_get_bytesperline(struct uvcg_format *uformat,
+			      struct uvcg_frame *uframe)
+{
+	struct uvcg_uncompressed *u;
+
+	if (uformat->type == UVCG_UNCOMPRESSED) {
+		u = to_uvcg_uncompressed(&uformat->group.cg_item);
+		if (!u)
+			return 0;
+
+		return u->desc.bBitsPerPixel * uframe->frame.w_width / 8;
+	}
+
+	return 0;
+}
+
+static int uvc_get_frame_size(struct uvcg_format *uformat,
+		       struct uvcg_frame *uframe)
+{
+	unsigned int bpl = uvc_v4l2_get_bytesperline(uformat, uframe);
+
+	return bpl ? bpl * uframe->frame.w_height :
+		uframe->frame.dw_max_video_frame_buffer_size;
+}
+
+static struct uvcg_format *find_format_by_index(struct uvc_device *uvc, int index)
+{
+	struct uvcg_format_ptr *format;
+	struct uvcg_format *uformat = NULL;
+	int i = 1;
+
+	list_for_each_entry(format, &uvc->header->formats, entry) {
+		if (index == i) {
+			uformat = format->fmt;
+			break;
+		}
+		i++;
+	}
+
+	return uformat;
+}
+
+static struct uvcg_frame *find_frame_by_index(struct uvc_device *uvc,
+				       struct uvcg_format *uformat,
+				       int index)
+{
+	struct uvcg_format_ptr *format;
+	struct uvcg_frame_ptr *frame;
+	struct uvcg_frame *uframe = NULL;
+
+	list_for_each_entry(format, &uvc->header->formats, entry) {
+		if (format->fmt->type != uformat->type)
+			continue;
+		list_for_each_entry(frame, &format->fmt->frames, entry) {
+			if (index == frame->frm->frame.b_frame_index) {
+				uframe = frame->frm;
+				break;
+			}
+		}
+	}
+
+	return uframe;
+}
+
+static struct uvcg_format *find_format_by_pix(struct uvc_device *uvc,
+					      u32 pixelformat)
+{
+	struct uvcg_format_ptr *format;
+	struct uvcg_format *uformat = NULL;
+
+	list_for_each_entry(format, &uvc->header->formats, entry) {
+		struct uvc_format_desc *fmtdesc = to_uvc_format(format->fmt);
+
+		if (fmtdesc->fcc == pixelformat) {
+			uformat = format->fmt;
+			break;
+		}
+	}
+
+	return uformat;
+}
+
+static struct uvcg_frame *find_closest_frame_by_size(struct uvc_device *uvc,
+					   struct uvcg_format *uformat,
+					   u16 rw, u16 rh)
+{
+	struct uvc_video *video = &uvc->video;
+	struct uvcg_format_ptr *format;
+	struct uvcg_frame_ptr *frame;
+	struct uvcg_frame *uframe = NULL;
+	unsigned int d, maxd;
+
+	/* Find the closest image size. The distance between image sizes is
+	 * the size in pixels of the non-overlapping regions between the
+	 * requested size and the frame-specified size.
+	 */
+	maxd = (unsigned int)-1;
+
+	list_for_each_entry(format, &uvc->header->formats, entry) {
+		if (format->fmt->type != uformat->type)
+			continue;
+
+		list_for_each_entry(frame, &format->fmt->frames, entry) {
+			u16 w, h;
+
+			w = frame->frm->frame.w_width;
+			h = frame->frm->frame.w_height;
+
+			d = min(w, rw) * min(h, rh);
+			d = w*h + rw*rh - 2*d;
+			if (d < maxd) {
+				maxd = d;
+				uframe = frame->frm;
+			}
+
+			if (maxd == 0)
+				break;
+		}
+	}
+
+	if (!uframe)
+		uvcg_dbg(&video->uvc->func, "Unsupported size %ux%u\n", rw, rh);
+
+	return uframe;
+}
 
 /* --------------------------------------------------------------------------
  * Requests handling
@@ -50,16 +199,6 @@
  * V4L2 ioctls
  */
 
-struct uvc_format {
-	u8 bpp;
-	u32 fcc;
-};
-
-static struct uvc_format uvc_formats[] = {
-	{ 16, V4L2_PIX_FMT_YUYV  },
-	{ 0,  V4L2_PIX_FMT_MJPEG },
-};
-
 static int
 uvc_v4l2_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 {
@@ -67,9 +206,9 @@
 	struct uvc_device *uvc = video_get_drvdata(vdev);
 	struct usb_composite_dev *cdev = uvc->func.config->cdev;
 
-	strlcpy(cap->driver, "g_uvc", sizeof(cap->driver));
-	strlcpy(cap->card, cdev->gadget->name, sizeof(cap->card));
-	strlcpy(cap->bus_info, dev_name(&cdev->gadget->dev),
+	strscpy(cap->driver, "g_uvc", sizeof(cap->driver));
+	strscpy(cap->card, cdev->gadget->name, sizeof(cap->card));
+	strscpy(cap->bus_info, dev_name(&cdev->gadget->dev),
 		sizeof(cap->bus_info));
 	return 0;
 }
@@ -94,42 +233,155 @@
 }
 
 static int
+uvc_v4l2_try_format(struct file *file, void *fh, struct v4l2_format *fmt)
+{
+	struct video_device *vdev = video_devdata(file);
+	struct uvc_device *uvc = video_get_drvdata(vdev);
+	struct uvc_video *video = &uvc->video;
+	struct uvcg_format *uformat;
+	struct uvcg_frame *uframe;
+	u8 *fcc;
+
+	if (fmt->type != video->queue.queue.type)
+		return -EINVAL;
+
+	fcc = (u8 *)&fmt->fmt.pix.pixelformat;
+	uvcg_dbg(&uvc->func, "Trying format 0x%08x (%c%c%c%c): %ux%u\n",
+		fmt->fmt.pix.pixelformat,
+		fcc[0], fcc[1], fcc[2], fcc[3],
+		fmt->fmt.pix.width, fmt->fmt.pix.height);
+
+	uformat = find_format_by_pix(uvc, fmt->fmt.pix.pixelformat);
+	if (!uformat)
+		return -EINVAL;
+
+	uframe = find_closest_frame_by_size(uvc, uformat,
+				fmt->fmt.pix.width, fmt->fmt.pix.height);
+	if (!uframe)
+		return -EINVAL;
+
+	fmt->fmt.pix.width = uframe->frame.w_width;
+	fmt->fmt.pix.height = uframe->frame.w_height;
+	fmt->fmt.pix.field = V4L2_FIELD_NONE;
+	fmt->fmt.pix.bytesperline = uvc_v4l2_get_bytesperline(uformat, uframe);
+	fmt->fmt.pix.sizeimage = uvc_get_frame_size(uformat, uframe);
+	fmt->fmt.pix.pixelformat = to_uvc_format(uformat)->fcc;
+	fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
+	fmt->fmt.pix.priv = 0;
+
+	return 0;
+}
+
+static int
 uvc_v4l2_set_format(struct file *file, void *fh, struct v4l2_format *fmt)
 {
 	struct video_device *vdev = video_devdata(file);
 	struct uvc_device *uvc = video_get_drvdata(vdev);
 	struct uvc_video *video = &uvc->video;
-	struct uvc_format *format;
-	unsigned int imagesize;
-	unsigned int bpl;
-	unsigned int i;
+	int ret;
 
-	for (i = 0; i < ARRAY_SIZE(uvc_formats); ++i) {
-		format = &uvc_formats[i];
-		if (format->fcc == fmt->fmt.pix.pixelformat)
-			break;
-	}
+	ret = uvc_v4l2_try_format(file, fh, fmt);
+	if (ret)
+		return ret;
 
-	if (i == ARRAY_SIZE(uvc_formats)) {
-		uvcg_info(&uvc->func, "Unsupported format 0x%08x.\n",
-			  fmt->fmt.pix.pixelformat);
-		return -EINVAL;
-	}
-
-	bpl = format->bpp * fmt->fmt.pix.width / 8;
-	imagesize = bpl ? bpl * fmt->fmt.pix.height : fmt->fmt.pix.sizeimage;
-
-	video->fcc = format->fcc;
-	video->bpp = format->bpp;
+	video->fcc = fmt->fmt.pix.pixelformat;
+	video->bpp = fmt->fmt.pix.bytesperline * 8 / video->width;
 	video->width = fmt->fmt.pix.width;
 	video->height = fmt->fmt.pix.height;
-	video->imagesize = imagesize;
+	video->imagesize = fmt->fmt.pix.sizeimage;
 
-	fmt->fmt.pix.field = V4L2_FIELD_NONE;
-	fmt->fmt.pix.bytesperline = bpl;
-	fmt->fmt.pix.sizeimage = imagesize;
-	fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
-	fmt->fmt.pix.priv = 0;
+	return ret;
+}
+
+static int
+uvc_v4l2_enum_frameintervals(struct file *file, void *fh,
+		struct v4l2_frmivalenum *fival)
+{
+	struct video_device *vdev = video_devdata(file);
+	struct uvc_device *uvc = video_get_drvdata(vdev);
+	struct uvcg_format *uformat = NULL;
+	struct uvcg_frame *uframe = NULL;
+	struct uvcg_frame_ptr *frame;
+
+	uformat = find_format_by_pix(uvc, fival->pixel_format);
+	if (!uformat)
+		return -EINVAL;
+
+	list_for_each_entry(frame, &uformat->frames, entry) {
+		if (frame->frm->frame.w_width == fival->width &&
+		    frame->frm->frame.w_height == fival->height) {
+			uframe = frame->frm;
+			break;
+		}
+	}
+	if (!uframe)
+		return -EINVAL;
+
+	if (fival->index >= uframe->frame.b_frame_interval_type)
+		return -EINVAL;
+
+	fival->discrete.numerator =
+		uframe->dw_frame_interval[fival->index];
+
+	/* TODO: handle V4L2_FRMIVAL_TYPE_STEPWISE */
+	fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
+	fival->discrete.denominator = 10000000;
+	v4l2_simplify_fraction(&fival->discrete.numerator,
+		&fival->discrete.denominator, 8, 333);
+
+	return 0;
+}
+
+static int
+uvc_v4l2_enum_framesizes(struct file *file, void *fh,
+		struct v4l2_frmsizeenum *fsize)
+{
+	struct video_device *vdev = video_devdata(file);
+	struct uvc_device *uvc = video_get_drvdata(vdev);
+	struct uvcg_format *uformat = NULL;
+	struct uvcg_frame *uframe = NULL;
+
+	uformat = find_format_by_pix(uvc, fsize->pixel_format);
+	if (!uformat)
+		return -EINVAL;
+
+	if (fsize->index >= uformat->num_frames)
+		return -EINVAL;
+
+	uframe = find_frame_by_index(uvc, uformat, fsize->index + 1);
+	if (!uframe)
+		return -EINVAL;
+
+	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+	fsize->discrete.width = uframe->frame.w_width;
+	fsize->discrete.height = uframe->frame.w_height;
+
+	return 0;
+}
+
+static int
+uvc_v4l2_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct video_device *vdev = video_devdata(file);
+	struct uvc_device *uvc = video_get_drvdata(vdev);
+	struct uvc_format_desc *fmtdesc;
+	struct uvcg_format *uformat;
+
+	if (f->index >= uvc->header->num_fmt)
+		return -EINVAL;
+
+	uformat = find_format_by_index(uvc, f->index + 1);
+	if (!uformat)
+		return -EINVAL;
+
+	if (uformat->type != UVCG_UNCOMPRESSED)
+		f->flags |= V4L2_FMT_FLAG_COMPRESSED;
+
+	fmtdesc = to_uvc_format(uformat);
+	f->pixelformat = fmtdesc->fcc;
+
+	strscpy(f->description, fmtdesc->name, sizeof(f->description));
+	f->description[strlen(fmtdesc->name) - 1] = 0;
 
 	return 0;
 }
@@ -169,7 +421,8 @@
 	if (ret < 0)
 		return ret;
 
-	schedule_work(&video->pump);
+	if (uvc->state == UVC_STATE_STREAMING)
+		queue_work(video->async_wq, &video->pump);
 
 	return ret;
 }
@@ -196,7 +449,7 @@
 		return -EINVAL;
 
 	/* Enable UVC video. */
-	ret = uvcg_video_enable(video, 1);
+	ret = uvcg_video_enable(video);
 	if (ret < 0)
 		return ret;
 
@@ -204,7 +457,7 @@
 	 * Complete the alternate setting selection setup phase now that
 	 * userspace is ready to provide video frames.
 	 */
-	uvc_function_setup_continue(uvc);
+	uvc_function_setup_continue(uvc, 0);
 	uvc->state = UVC_STATE_STREAMING;
 
 	return 0;
@@ -216,11 +469,18 @@
 	struct video_device *vdev = video_devdata(file);
 	struct uvc_device *uvc = video_get_drvdata(vdev);
 	struct uvc_video *video = &uvc->video;
+	int ret = 0;
 
 	if (type != video->queue.queue.type)
 		return -EINVAL;
 
-	return uvcg_video_enable(video, 0);
+	ret = uvcg_video_disable(video);
+	if (ret < 0)
+		return ret;
+
+	uvc->state = UVC_STATE_CONNECTED;
+	uvc_function_setup_continue(uvc, 1);
+	return 0;
 }
 
 static int
@@ -253,7 +513,7 @@
 static void uvc_v4l2_disable(struct uvc_device *uvc)
 {
 	uvc_function_disconnect(uvc);
-	uvcg_video_enable(&uvc->video, 0);
+	uvcg_video_disable(&uvc->video);
 	uvcg_free_buffers(&uvc->video.queue);
 	uvc->func_connected = false;
 	wake_up_interruptible(&uvc->func_connected_queue);
@@ -297,8 +557,12 @@
 
 const struct v4l2_ioctl_ops uvc_v4l2_ioctl_ops = {
 	.vidioc_querycap = uvc_v4l2_querycap,
+	.vidioc_try_fmt_vid_out = uvc_v4l2_try_format,
 	.vidioc_g_fmt_vid_out = uvc_v4l2_get_format,
 	.vidioc_s_fmt_vid_out = uvc_v4l2_set_format,
+	.vidioc_enum_frameintervals = uvc_v4l2_enum_frameintervals,
+	.vidioc_enum_framesizes = uvc_v4l2_enum_framesizes,
+	.vidioc_enum_fmt_vid_out = uvc_v4l2_enum_format,
 	.vidioc_reqbufs = uvc_v4l2_reqbufs,
 	.vidioc_querybuf = uvc_v4l2_querybuf,
 	.vidioc_qbuf = uvc_v4l2_qbuf,
@@ -396,4 +660,3 @@
 	.get_unmapped_area = uvcg_v4l2_get_unmapped_area,
 #endif
 };
-
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index 5ce548c..98ba524 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -12,6 +12,7 @@
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/video.h>
+#include <asm/unaligned.h>
 
 #include <media/v4l2-dev.h>
 
@@ -27,13 +28,41 @@
 uvc_video_encode_header(struct uvc_video *video, struct uvc_buffer *buf,
 		u8 *data, int len)
 {
-	data[0] = 2;
+	struct uvc_device *uvc = container_of(video, struct uvc_device, video);
+	struct usb_composite_dev *cdev = uvc->func.config->cdev;
+	struct timespec64 ts = ns_to_timespec64(buf->buf.vb2_buf.timestamp);
+	int pos = 2;
+
 	data[1] = UVC_STREAM_EOH | video->fid;
 
-	if (buf->bytesused - video->queue.buf_used <= len - 2)
+	if (video->queue.buf_used == 0 && ts.tv_sec) {
+		/* dwClockFrequency is 48 MHz */
+		u32 pts = ((u64)ts.tv_sec * USEC_PER_SEC + ts.tv_nsec / NSEC_PER_USEC) * 48;
+
+		data[1] |= UVC_STREAM_PTS;
+		put_unaligned_le32(pts, &data[pos]);
+		pos += 4;
+	}
+
+	if (cdev->gadget->ops->get_frame) {
+		u32 sof, stc;
+
+		sof = usb_gadget_frame_number(cdev->gadget);
+		ktime_get_ts64(&ts);
+		stc = ((u64)ts.tv_sec * USEC_PER_SEC + ts.tv_nsec / NSEC_PER_USEC) * 48;
+
+		data[1] |= UVC_STREAM_SCR;
+		put_unaligned_le32(stc, &data[pos]);
+		put_unaligned_le16(sof, &data[pos+4]);
+		pos += 6;
+	}
+
+	data[0] = pos;
+
+	if (buf->bytesused - video->queue.buf_used <= len - pos)
 		data[1] |= UVC_STREAM_EOF;
 
-	return 2;
+	return pos;
 }
 
 static int
@@ -59,6 +88,7 @@
 		struct uvc_buffer *buf)
 {
 	void *mem = req->buf;
+	struct uvc_request *ureq = req->context;
 	int len = video->req_size;
 	int ret;
 
@@ -83,22 +113,92 @@
 	if (buf->bytesused == video->queue.buf_used) {
 		video->queue.buf_used = 0;
 		buf->state = UVC_BUF_STATE_DONE;
-		uvcg_queue_next_buffer(&video->queue, buf);
+		list_del(&buf->queue);
 		video->fid ^= UVC_STREAM_FID;
+		ureq->last_buf = buf;
 
 		video->payload_size = 0;
 	}
 
 	if (video->payload_size == video->max_payload_size ||
+	    video->queue.flags & UVC_QUEUE_DROP_INCOMPLETE ||
 	    buf->bytesused == video->queue.buf_used)
 		video->payload_size = 0;
 }
 
 static void
+uvc_video_encode_isoc_sg(struct usb_request *req, struct uvc_video *video,
+		struct uvc_buffer *buf)
+{
+	unsigned int pending = buf->bytesused - video->queue.buf_used;
+	struct uvc_request *ureq = req->context;
+	struct scatterlist *sg, *iter;
+	unsigned int len = video->req_size;
+	unsigned int sg_left, part = 0;
+	unsigned int i;
+	int header_len;
+
+	sg = ureq->sgt.sgl;
+	sg_init_table(sg, ureq->sgt.nents);
+
+	/* Init the header. */
+	header_len = uvc_video_encode_header(video, buf, ureq->header,
+				      video->req_size);
+	sg_set_buf(sg, ureq->header, header_len);
+	len -= header_len;
+
+	if (pending <= len)
+		len = pending;
+
+	req->length = (len == pending) ?
+		len + header_len : video->req_size;
+
+	/* Init the pending sgs with payload */
+	sg = sg_next(sg);
+
+	for_each_sg(sg, iter, ureq->sgt.nents - 1, i) {
+		if (!len || !buf->sg || !buf->sg->length)
+			break;
+
+		sg_left = buf->sg->length - buf->offset;
+		part = min_t(unsigned int, len, sg_left);
+
+		sg_set_page(iter, sg_page(buf->sg), part, buf->offset);
+
+		if (part == sg_left) {
+			buf->offset = 0;
+			buf->sg = sg_next(buf->sg);
+		} else {
+			buf->offset += part;
+		}
+		len -= part;
+	}
+
+	/* Assign the video data with header. */
+	req->buf = NULL;
+	req->sg	= ureq->sgt.sgl;
+	req->num_sgs = i + 1;
+
+	req->length -= len;
+	video->queue.buf_used += req->length - header_len;
+
+	if (buf->bytesused == video->queue.buf_used || !buf->sg ||
+			video->queue.flags & UVC_QUEUE_DROP_INCOMPLETE) {
+		video->queue.buf_used = 0;
+		buf->state = UVC_BUF_STATE_DONE;
+		buf->offset = 0;
+		list_del(&buf->queue);
+		video->fid ^= UVC_STREAM_FID;
+		ureq->last_buf = buf;
+	}
+}
+
+static void
 uvc_video_encode_isoc(struct usb_request *req, struct uvc_video *video,
 		struct uvc_buffer *buf)
 {
 	void *mem = req->buf;
+	struct uvc_request *ureq = req->context;
 	int len = video->req_size;
 	int ret;
 
@@ -113,11 +213,13 @@
 
 	req->length = video->req_size - len;
 
-	if (buf->bytesused == video->queue.buf_used) {
+	if (buf->bytesused == video->queue.buf_used ||
+			video->queue.flags & UVC_QUEUE_DROP_INCOMPLETE) {
 		video->queue.buf_used = 0;
 		buf->state = UVC_BUF_STATE_DONE;
-		uvcg_queue_next_buffer(&video->queue, buf);
+		list_del(&buf->queue);
 		video->fid ^= UVC_STREAM_FID;
+		ureq->last_buf = buf;
 	}
 }
 
@@ -125,6 +227,28 @@
  * Request handling
  */
 
+/*
+ * Callers must take care to hold req_lock when this function may be called
+ * from multiple threads. For example, when frames are streaming to the host.
+ */
+static void
+uvc_video_free_request(struct uvc_request *ureq, struct usb_ep *ep)
+{
+	sg_free_table(&ureq->sgt);
+	if (ureq->req && ep) {
+		usb_ep_free_request(ep, ureq->req);
+		ureq->req = NULL;
+	}
+
+	kfree(ureq->req_buffer);
+	ureq->req_buffer = NULL;
+
+	if (!list_empty(&ureq->list))
+		list_del_init(&ureq->list);
+
+	kfree(ureq);
+}
+
 static int uvcg_video_ep_queue(struct uvc_video *video, struct usb_request *req)
 {
 	int ret;
@@ -134,25 +258,149 @@
 		uvcg_err(&video->uvc->func, "Failed to queue request (%d).\n",
 			 ret);
 
-		/* Isochronous endpoints can't be halted. */
-		if (usb_endpoint_xfer_bulk(video->ep->desc))
-			usb_ep_set_halt(video->ep);
+		/* If the endpoint is disabled the descriptor may be NULL. */
+		if (video->ep->desc) {
+			/* Isochronous endpoints can't be halted. */
+			if (usb_endpoint_xfer_bulk(video->ep->desc))
+				usb_ep_set_halt(video->ep);
+		}
 	}
 
 	return ret;
 }
 
+/* This function must be called with video->req_lock held. */
+static int uvcg_video_usb_req_queue(struct uvc_video *video,
+	struct usb_request *req, bool queue_to_ep)
+{
+	bool is_bulk = video->max_payload_size;
+	struct list_head *list = NULL;
+
+	if (!video->is_enabled) {
+		uvc_video_free_request(req->context, video->ep);
+		return -ENODEV;
+	}
+	if (queue_to_ep) {
+		struct uvc_request *ureq = req->context;
+		/*
+		 * With USB3 handling more requests at a higher speed, we can't
+		 * afford to generate an interrupt for every request. Decide to
+		 * interrupt:
+		 *
+		 * - When no more requests are available in the free queue, as
+		 *   this may be our last chance to refill the endpoint's
+		 *   request queue.
+		 *
+		 * - When this is request is the last request for the video
+		 *   buffer, as we want to start sending the next video buffer
+		 *   ASAP in case it doesn't get started already in the next
+		 *   iteration of this loop.
+		 *
+		 * - Four times over the length of the requests queue (as
+		 *   indicated by video->uvc_num_requests), as a trade-off
+		 *   between latency and interrupt load.
+		 */
+		if (list_empty(&video->req_free) || ureq->last_buf ||
+			!(video->req_int_count %
+			DIV_ROUND_UP(video->uvc_num_requests, 4))) {
+			video->req_int_count = 0;
+			req->no_interrupt = 0;
+		} else {
+			req->no_interrupt = 1;
+		}
+		video->req_int_count++;
+		return uvcg_video_ep_queue(video, req);
+	}
+	/*
+	 * If we're not queuing to the ep, for isoc we're queuing
+	 * to the req_ready list, otherwise req_free.
+	 */
+	list = is_bulk ? &video->req_free : &video->req_ready;
+	list_add_tail(&req->list, list);
+	return 0;
+}
+
+/*
+ * Must only be called from uvcg_video_enable - since after that we only want to
+ * queue requests to the endpoint from the uvc_video_complete complete handler.
+ * This function is needed in order to 'kick start' the flow of requests from
+ * gadget driver to the usb controller.
+ */
+static void uvc_video_ep_queue_initial_requests(struct uvc_video *video)
+{
+	struct usb_request *req = NULL;
+	unsigned long flags = 0;
+	unsigned int count = 0;
+	int ret = 0;
+
+	/*
+	 * We only queue half of the free list since we still want to have
+	 * some free usb_requests in the free list for the video_pump async_wq
+	 * thread to encode uvc buffers into. Otherwise we could get into a
+	 * situation where the free list does not have any usb requests to
+	 * encode into - we always end up queueing 0 length requests to the
+	 * end point.
+	 */
+	unsigned int half_list_size = video->uvc_num_requests / 2;
+
+	spin_lock_irqsave(&video->req_lock, flags);
+	/*
+	 * Take these requests off the free list and queue them all to the
+	 * endpoint. Since we queue 0 length requests with the req_lock held,
+	 * there isn't any 'data' race involved here with the complete handler.
+	 */
+	while (count < half_list_size) {
+		req = list_first_entry(&video->req_free, struct usb_request,
+					list);
+		list_del(&req->list);
+		req->length = 0;
+		ret = uvcg_video_ep_queue(video, req);
+		if (ret < 0) {
+			uvcg_queue_cancel(&video->queue, 0);
+			break;
+		}
+		count++;
+	}
+	spin_unlock_irqrestore(&video->req_lock, flags);
+}
+
 static void
 uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
 {
-	struct uvc_video *video = req->context;
+	struct uvc_request *ureq = req->context;
+	struct uvc_video *video = ureq->video;
 	struct uvc_video_queue *queue = &video->queue;
+	struct uvc_buffer *last_buf;
 	unsigned long flags;
+	bool is_bulk = video->max_payload_size;
+	int ret = 0;
+
+	spin_lock_irqsave(&video->req_lock, flags);
+	if (!video->is_enabled) {
+		/*
+		 * When is_enabled is false, uvcg_video_disable() ensures
+		 * that in-flight uvc_buffers are returned, so we can
+		 * safely call free_request without worrying about
+		 * last_buf.
+		 */
+		uvc_video_free_request(ureq, ep);
+		spin_unlock_irqrestore(&video->req_lock, flags);
+		return;
+	}
+
+	last_buf = ureq->last_buf;
+	ureq->last_buf = NULL;
+	spin_unlock_irqrestore(&video->req_lock, flags);
 
 	switch (req->status) {
 	case 0:
 		break;
 
+	case -EXDEV:
+		uvcg_dbg(&video->uvc->func, "VS request missed xfer.\n");
+		queue->flags |= UVC_QUEUE_DROP_INCOMPLETE;
+		break;
+
 	case -ESHUTDOWN:	/* disconnect from host. */
 		uvcg_dbg(&video->uvc->func, "VS request cancelled.\n");
 		uvcg_queue_cancel(queue, 1);
@@ -165,31 +413,76 @@
 		uvcg_queue_cancel(queue, 0);
 	}
 
-	spin_lock_irqsave(&video->req_lock, flags);
-	list_add_tail(&req->list, &video->req_free);
-	spin_unlock_irqrestore(&video->req_lock, flags);
+	if (last_buf) {
+		spin_lock_irqsave(&queue->irqlock, flags);
+		uvcg_complete_buffer(queue, last_buf);
+		spin_unlock_irqrestore(&queue->irqlock, flags);
+	}
 
-	schedule_work(&video->pump);
+	spin_lock_irqsave(&video->req_lock, flags);
+	/*
+	 * Video stream might have been disabled while we were
+	 * processing the current usb_request. So make sure
+	 * we're still streaming before queueing the usb_request
+	 * back to req_free
+	 */
+	if (video->is_enabled) {
+		/*
+		 * Here we check whether any request is available in the ready
+		 * list. If it is, queue it to the ep and add the current
+		 * usb_request to the req_free list - for video_pump to fill in.
+		 * Otherwise, just use the current usb_request to queue a 0
+		 * length request to the ep. Since we always add to the req_free
+		 * list if we dequeue from the ready list, there will never
+		 * be a situation where the req_free list is completely out of
+		 * requests and cannot recover.
+		 */
+		struct usb_request *to_queue = req;
+
+		to_queue->length = 0;
+		if (!list_empty(&video->req_ready)) {
+			to_queue = list_first_entry(&video->req_ready,
+				struct usb_request, list);
+			list_del(&to_queue->list);
+			list_add_tail(&req->list, &video->req_free);
+			/*
+			 * Queue work to the wq as well since it is possible that a
+			 * buffer may not have been completely encoded with the set of
+			 * in-flight usb requests for whih the complete callbacks are
+			 * firing.
+			 * In that case, if we do not queue work to the worker thread,
+			 * the buffer will never be marked as complete - and therefore
+			 * not be returned to userpsace. As a result,
+			 * dequeue -> queue -> dequeue flow of uvc buffers will not
+			 * happen.
+			 */
+			queue_work(video->async_wq, &video->pump);
+		}
+		/*
+		 * Queue to the endpoint. The actual queueing to ep will
+		 * only happen on one thread - the async_wq for bulk endpoints
+		 * and this thread for isoc endpoints.
+		 */
+		ret = uvcg_video_usb_req_queue(video, to_queue, !is_bulk);
+		if (ret < 0)
+			uvcg_queue_cancel(queue, 0);
+	} else {
+		uvc_video_free_request(ureq, ep);
+	}
+	spin_unlock_irqrestore(&video->req_lock, flags);
 }
 
 static int
 uvc_video_free_requests(struct uvc_video *video)
 {
-	unsigned int i;
+	struct uvc_request *ureq, *temp;
 
-	for (i = 0; i < UVC_NUM_REQUESTS; ++i) {
-		if (video->req[i]) {
-			usb_ep_free_request(video->ep, video->req[i]);
-			video->req[i] = NULL;
-		}
+	list_for_each_entry_safe(ureq, temp, &video->ureqs, list)
+		uvc_video_free_request(ureq, video->ep);
 
-		if (video->req_buffer[i]) {
-			kfree(video->req_buffer[i]);
-			video->req_buffer[i] = NULL;
-		}
-	}
-
+	INIT_LIST_HEAD(&video->ureqs);
 	INIT_LIST_HEAD(&video->req_free);
+	INIT_LIST_HEAD(&video->req_ready);
 	video->req_size = 0;
 	return 0;
 }
@@ -197,6 +490,7 @@
 static int
 uvc_video_alloc_requests(struct uvc_video *video)
 {
+	struct uvc_request *ureq;
 	unsigned int req_size;
 	unsigned int i;
 	int ret = -ENOMEM;
@@ -207,21 +501,35 @@
 		 * max_t(unsigned int, video->ep->maxburst, 1)
 		 * (video->ep->mult);
 
-	for (i = 0; i < UVC_NUM_REQUESTS; ++i) {
-		video->req_buffer[i] = kmalloc(req_size, GFP_KERNEL);
-		if (video->req_buffer[i] == NULL)
+	for (i = 0; i < video->uvc_num_requests; i++) {
+		ureq = kzalloc(sizeof(struct uvc_request), GFP_KERNEL);
+		if (ureq == NULL)
 			goto error;
 
-		video->req[i] = usb_ep_alloc_request(video->ep, GFP_KERNEL);
-		if (video->req[i] == NULL)
+		INIT_LIST_HEAD(&ureq->list);
+
+		list_add_tail(&ureq->list, &video->ureqs);
+
+		ureq->req_buffer = kmalloc(req_size, GFP_KERNEL);
+		if (ureq->req_buffer == NULL)
 			goto error;
 
-		video->req[i]->buf = video->req_buffer[i];
-		video->req[i]->length = 0;
-		video->req[i]->complete = uvc_video_complete;
-		video->req[i]->context = video;
+		ureq->req = usb_ep_alloc_request(video->ep, GFP_KERNEL);
+		if (ureq->req == NULL)
+			goto error;
 
-		list_add_tail(&video->req[i]->list, &video->req_free);
+		ureq->req->buf = ureq->req_buffer;
+		ureq->req->length = 0;
+		ureq->req->complete = uvc_video_complete;
+		ureq->req->context = ureq;
+		ureq->video = video;
+		ureq->last_buf = NULL;
+
+		list_add_tail(&ureq->req->list, &video->req_free);
+		/* req_size/PAGE_SIZE + 1 for overruns and + 1 for header */
+		sg_alloc_table(&ureq->sgt,
+			       DIV_ROUND_UP(req_size - UVCG_REQUEST_HEADER_LEN,
+					    PAGE_SIZE) + 2, GFP_KERNEL);
 	}
 
 	video->req_size = req_size;
@@ -247,17 +555,23 @@
 {
 	struct uvc_video *video = container_of(work, struct uvc_video, pump);
 	struct uvc_video_queue *queue = &video->queue;
-	struct usb_request *req;
+	/* video->max_payload_size is only set when using bulk transfer */
+	bool is_bulk = video->max_payload_size;
+	struct usb_request *req = NULL;
 	struct uvc_buffer *buf;
 	unsigned long flags;
-	int ret;
+	int ret = 0;
 
-	while (1) {
-		/* Retrieve the first available USB request, protected by the
-		 * request lock.
+	while (true) {
+		if (!video->ep->enabled)
+			return;
+
+		/*
+		 * Check is_enabled and retrieve the first available USB
+		 * request, protected by the request lock.
 		 */
 		spin_lock_irqsave(&video->req_lock, flags);
-		if (list_empty(&video->req_free)) {
+		if (!video->is_enabled || list_empty(&video->req_free)) {
 			spin_unlock_irqrestore(&video->req_lock, flags);
 			return;
 		}
@@ -266,40 +580,142 @@
 		list_del(&req->list);
 		spin_unlock_irqrestore(&video->req_lock, flags);
 
-		/* Retrieve the first available video buffer and fill the
+		/*
+		 * Retrieve the first available video buffer and fill the
 		 * request, protected by the video queue irqlock.
 		 */
 		spin_lock_irqsave(&queue->irqlock, flags);
 		buf = uvcg_queue_head(queue);
-		if (buf == NULL) {
+
+		if (buf != NULL) {
+			video->encode(req, video, buf);
+		} else {
+			/*
+			 * Either the queue has been disconnected or no video buffer
+			 * available for bulk transfer. Either way, stop processing
+			 * further.
+			 */
 			spin_unlock_irqrestore(&queue->irqlock, flags);
 			break;
 		}
 
-		video->encode(req, video, buf);
-
-		/* Queue the USB request */
-		ret = uvcg_video_ep_queue(video, req);
 		spin_unlock_irqrestore(&queue->irqlock, flags);
 
+		spin_lock_irqsave(&video->req_lock, flags);
+		/* For bulk end points we queue from the worker thread
+		 * since we would preferably not want to wait on requests
+		 * to be ready, in the uvcg_video_complete() handler.
+		 * For isoc endpoints we add the request to the ready list
+		 * and only queue it to the endpoint from the complete handler.
+		 */
+		ret = uvcg_video_usb_req_queue(video, req, is_bulk);
+		spin_unlock_irqrestore(&video->req_lock, flags);
+
 		if (ret < 0) {
 			uvcg_queue_cancel(queue, 0);
 			break;
 		}
+
+		/* The request is owned by  the endpoint / ready list. */
+		req = NULL;
 	}
 
+	if (!req)
+		return;
+
 	spin_lock_irqsave(&video->req_lock, flags);
-	list_add_tail(&req->list, &video->req_free);
+	if (video->is_enabled)
+		list_add_tail(&req->list, &video->req_free);
+	else
+		uvc_video_free_request(req->context, video->ep);
 	spin_unlock_irqrestore(&video->req_lock, flags);
-	return;
 }
 
 /*
- * Enable or disable the video stream.
+ * Disable the video stream
  */
-int uvcg_video_enable(struct uvc_video *video, int enable)
+int
+uvcg_video_disable(struct uvc_video *video)
 {
-	unsigned int i;
+	unsigned long flags;
+	struct list_head inflight_bufs;
+	struct usb_request *req, *temp;
+	struct uvc_buffer *buf, *btemp;
+	struct uvc_request *ureq, *utemp;
+
+	if (video->ep == NULL) {
+		uvcg_info(&video->uvc->func,
+			  "Video disable failed, device is uninitialized.\n");
+		return -ENODEV;
+	}
+
+	INIT_LIST_HEAD(&inflight_bufs);
+	spin_lock_irqsave(&video->req_lock, flags);
+	video->is_enabled = false;
+
+	/*
+	 * Remove any in-flight buffers from the uvc_requests
+	 * because we want to return them before cancelling the
+	 * queue. This ensures that we aren't stuck waiting for
+	 * all complete callbacks to come through before disabling
+	 * vb2 queue.
+	 */
+	list_for_each_entry(ureq, &video->ureqs, list) {
+		if (ureq->last_buf) {
+			list_add_tail(&ureq->last_buf->queue, &inflight_bufs);
+			ureq->last_buf = NULL;
+		}
+	}
+	spin_unlock_irqrestore(&video->req_lock, flags);
+
+	cancel_work_sync(&video->pump);
+	uvcg_queue_cancel(&video->queue, 0);
+
+	spin_lock_irqsave(&video->req_lock, flags);
+	/*
+	 * Remove all uvc_requests from ureqs with list_del_init
+	 * This lets uvc_video_free_request correctly identify
+	 * if the uvc_request is attached to a list or not when freeing
+	 * memory.
+	 */
+	list_for_each_entry_safe(ureq, utemp, &video->ureqs, list)
+		list_del_init(&ureq->list);
+
+	list_for_each_entry_safe(req, temp, &video->req_free, list) {
+		list_del(&req->list);
+		uvc_video_free_request(req->context, video->ep);
+	}
+
+	list_for_each_entry_safe(req, temp, &video->req_ready, list) {
+		list_del(&req->list);
+		uvc_video_free_request(req->context, video->ep);
+	}
+
+	INIT_LIST_HEAD(&video->ureqs);
+	INIT_LIST_HEAD(&video->req_free);
+	INIT_LIST_HEAD(&video->req_ready);
+	video->req_size = 0;
+	spin_unlock_irqrestore(&video->req_lock, flags);
+
+	/*
+	 * Return all the video buffers before disabling the queue.
+	 */
+	spin_lock_irqsave(&video->queue.irqlock, flags);
+	list_for_each_entry_safe(buf, btemp, &inflight_bufs, queue) {
+		list_del(&buf->queue);
+		uvcg_complete_buffer(&video->queue, buf);
+	}
+	spin_unlock_irqrestore(&video->queue.irqlock, flags);
+
+	uvcg_queue_enable(&video->queue, 0);
+	return 0;
+}
+
+/*
+ * Enable the video stream.
+ */
+int uvcg_video_enable(struct uvc_video *video)
+{
 	int ret;
 
 	if (video->ep == NULL) {
@@ -308,18 +724,13 @@
 		return -ENODEV;
 	}
 
-	if (!enable) {
-		cancel_work_sync(&video->pump);
-		uvcg_queue_cancel(&video->queue, 0);
-
-		for (i = 0; i < UVC_NUM_REQUESTS; ++i)
-			if (video->req[i])
-				usb_ep_dequeue(video->ep, video->req[i]);
-
-		uvc_video_free_requests(video);
-		uvcg_queue_enable(&video->queue, 0);
-		return 0;
-	}
+	/*
+	 * Safe to access request related fields without req_lock because
+	 * this is the only thread currently active, and no other
+	 * request handling thread will become active until this function
+	 * returns.
+	 */
+	video->is_enabled = true;
 
 	if ((ret = uvcg_queue_enable(&video->queue, 1)) < 0)
 		return ret;
@@ -331,9 +742,12 @@
 		video->encode = uvc_video_encode_bulk;
 		video->payload_size = 0;
 	} else
-		video->encode = uvc_video_encode_isoc;
+		video->encode = video->queue.use_sg ?
+			uvc_video_encode_isoc_sg : uvc_video_encode_isoc;
 
-	schedule_work(&video->pump);
+	video->req_int_count = 0;
+
+	uvc_video_ep_queue_initial_requests(video);
 
 	return ret;
 }
@@ -343,10 +757,18 @@
  */
 int uvcg_video_init(struct uvc_video *video, struct uvc_device *uvc)
 {
+	video->is_enabled = false;
+	INIT_LIST_HEAD(&video->ureqs);
 	INIT_LIST_HEAD(&video->req_free);
+	INIT_LIST_HEAD(&video->req_ready);
 	spin_lock_init(&video->req_lock);
 	INIT_WORK(&video->pump, uvcg_video_pump);
 
+	/* Allocate a work queue for asynchronous video pump handler. */
+	video->async_wq = alloc_workqueue("uvcgadget", WQ_UNBOUND | WQ_HIGHPRI, 0);
+	if (!video->async_wq)
+		return -EINVAL;
+
 	video->uvc = uvc;
 	video->fcc = V4L2_PIX_FMT_YUYV;
 	video->bpp = 16;
@@ -355,8 +777,7 @@
 	video->imagesize = 320 * 240 * 2;
 
 	/* Initialize the video buffers queue. */
-	uvcg_queue_init(&video->queue, V4L2_BUF_TYPE_VIDEO_OUTPUT,
-			&video->mutex);
+	uvcg_queue_init(&video->queue, uvc->v4l2_dev.dev->parent,
+			V4L2_BUF_TYPE_VIDEO_OUTPUT, &video->mutex);
 	return 0;
 }
-
diff --git a/drivers/usb/gadget/function/uvc_video.h b/drivers/usb/gadget/function/uvc_video.h
index 03adeef..8ef6259 100644
--- a/drivers/usb/gadget/function/uvc_video.h
+++ b/drivers/usb/gadget/function/uvc_video.h
@@ -14,7 +14,8 @@
 
 struct uvc_video;
 
-int uvcg_video_enable(struct uvc_video *video, int enable);
+int uvcg_video_enable(struct uvc_video *video);
+int uvcg_video_disable(struct uvc_video *video);
 
 int uvcg_video_init(struct uvc_video *video, struct uvc_device *uvc);
 
diff --git a/drivers/usb/gadget/legacy/Kconfig b/drivers/usb/gadget/legacy/Kconfig
index f02c38b..ce17be9 100644
--- a/drivers/usb/gadget/legacy/Kconfig
+++ b/drivers/usb/gadget/legacy/Kconfig
@@ -502,6 +502,7 @@
 	tristate "USB Webcam Gadget"
 	depends on VIDEO_V4L2
 	select USB_LIBCOMPOSITE
+	select VIDEOBUF2_DMA_SG
 	select VIDEOBUF2_VMALLOC
 	select USB_F_UVC
 	help
diff --git a/drivers/usb/gadget/legacy/webcam.c b/drivers/usb/gadget/legacy/webcam.c
index ff970a9..3f05463 100644
--- a/drivers/usb/gadget/legacy/webcam.c
+++ b/drivers/usb/gadget/legacy/webcam.c
@@ -171,7 +171,7 @@
 	.bDefaultFrameIndex	= 1,
 	.bAspectRatioX		= 0,
 	.bAspectRatioY		= 0,
-	.bmInterfaceFlags	= 0,
+	.bmInterlaceFlags	= 0,
 	.bCopyProtect		= 0,
 };
 
@@ -222,7 +222,7 @@
 	.bDefaultFrameIndex	= 1,
 	.bAspectRatioX		= 0,
 	.bAspectRatioY		= 0,
-	.bmInterfaceFlags	= 0,
+	.bmInterlaceFlags	= 0,
 	.bCopyProtect		= 0,
 };
 
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 7b3c078..cdd920f 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -29,6 +29,7 @@
  * @list: for use by the udc class driver
  * @vbus: for udcs who care about vbus status, this value is real vbus status;
  * for udcs who do not care about vbus status, this value is always true
+ * @started: the UDC's started state. True if the UDC had started.
  *
  * This represents the internal data structure which is used by the UDC-class
  * to hold information about udc driver and gadget together.
@@ -39,12 +40,20 @@
 	struct device			dev;
 	struct list_head		list;
 	bool				vbus;
+	bool				started;
 };
 
 static struct class *udc_class;
 static LIST_HEAD(udc_list);
 static LIST_HEAD(gadget_driver_pending_list);
 static DEFINE_MUTEX(udc_lock);
+/**
+ * protects udc->vbus, udc->started, gadget->connect, gadget->deactivate related
+ * functions. usb_gadget_connect_locked, usb_gadget_disconnect_locked,
+ * usb_udc_connect_control_locked, usb_gadget_udc_start_locked, usb_gadget_udc_stop_locked are
+ * called with this lock held.
+ */
+static DEFINE_MUTEX(connect_lock);
 
 static int udc_bind_to_driver(struct usb_udc *udc,
 		struct usb_gadget_driver *driver);
@@ -87,7 +96,7 @@
  * configurable, with more generic names like "ep-a".  (remember that for
  * USB, "in" means "towards the USB host".)
  *
- * This routine must be called in process context.
+ * This routine may be called in an atomic (interrupt) context.
  *
  * returns zero, or a negative error code.
  */
@@ -132,7 +141,7 @@
  * gadget drivers must call usb_ep_enable() again before queueing
  * requests to the endpoint.
  *
- * This routine must be called in process context.
+ * This routine may be called in an atomic (interrupt) context.
  *
  * returns zero, or a negative error code.
  */
@@ -653,18 +662,9 @@
 }
 EXPORT_SYMBOL_GPL(usb_gadget_vbus_disconnect);
 
-/**
- * usb_gadget_connect - software-controlled connect to USB host
- * @gadget:the peripheral being connected
- *
- * Enables the D+ (or potentially D-) pullup.  The host will start
- * enumerating this gadget when the pullup is active and a VBUS session
- * is active (the link is powered).  This pullup is always enabled unless
- * usb_gadget_disconnect() has been used to disable it.
- *
- * Returns zero on success, else negative errno.
- */
-int usb_gadget_connect(struct usb_gadget *gadget)
+/* Internal version of usb_gadget_connect needs to be called with connect_lock held. */
+static int usb_gadget_connect_locked(struct usb_gadget *gadget)
+	__must_hold(&connect_lock)
 {
 	int ret = 0;
 
@@ -673,10 +673,12 @@
 		goto out;
 	}
 
-	if (gadget->deactivated) {
+	if (gadget->deactivated || !gadget->udc->started) {
 		/*
 		 * If gadget is deactivated we only save new state.
 		 * Gadget will be connected automatically after activation.
+		 *
+		 * udc first needs to be started before gadget can be pulled up.
 		 */
 		gadget->connected = true;
 		goto out;
@@ -691,8 +693,67 @@
 
 	return ret;
 }
+
+/**
+ * usb_gadget_connect - software-controlled connect to USB host
+ * @gadget:the peripheral being connected
+ *
+ * Enables the D+ (or potentially D-) pullup.  The host will start
+ * enumerating this gadget when the pullup is active and a VBUS session
+ * is active (the link is powered).
+ *
+ * Returns zero on success, else negative errno.
+ */
+int usb_gadget_connect(struct usb_gadget *gadget)
+{
+	int ret;
+
+	mutex_lock(&connect_lock);
+	ret = usb_gadget_connect_locked(gadget);
+	mutex_unlock(&connect_lock);
+
+	return ret;
+}
 EXPORT_SYMBOL_GPL(usb_gadget_connect);
 
+/* Internal version of usb_gadget_disconnect needs to be called with connect_lock held. */
+static int usb_gadget_disconnect_locked(struct usb_gadget *gadget)
+	__must_hold(&connect_lock)
+{
+	int ret = 0;
+
+	if (!gadget->ops->pullup) {
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (!gadget->connected)
+		goto out;
+
+	if (gadget->deactivated || !gadget->udc->started) {
+		/*
+		 * If gadget is deactivated we only save new state.
+		 * Gadget will stay disconnected after activation.
+		 *
+		 * udc should have been started before gadget being pulled down.
+		 */
+		gadget->connected = false;
+		goto out;
+	}
+
+	ret = gadget->ops->pullup(gadget, 0);
+	if (!ret)
+		gadget->connected = 0;
+
+	if (gadget->udc->driver)
+		gadget->udc->driver->disconnect(gadget);
+
+out:
+	trace_usb_gadget_disconnect(gadget, ret);
+
+	return ret;
+}
+
 /**
  * usb_gadget_disconnect - software-controlled disconnect from USB host
  * @gadget:the peripheral being disconnected
@@ -708,33 +769,11 @@
  */
 int usb_gadget_disconnect(struct usb_gadget *gadget)
 {
-	int ret = 0;
+	int ret;
 
-	if (!gadget->ops->pullup) {
-		ret = -EOPNOTSUPP;
-		goto out;
-	}
-
-	if (!gadget->connected)
-		goto out;
-
-	if (gadget->deactivated) {
-		/*
-		 * If gadget is deactivated we only save new state.
-		 * Gadget will stay disconnected after activation.
-		 */
-		gadget->connected = false;
-		goto out;
-	}
-
-	ret = gadget->ops->pullup(gadget, 0);
-	if (!ret) {
-		gadget->connected = 0;
-		gadget->udc->driver->disconnect(gadget);
-	}
-
-out:
-	trace_usb_gadget_disconnect(gadget, ret);
+	mutex_lock(&connect_lock);
+	ret = usb_gadget_disconnect_locked(gadget);
+	mutex_unlock(&connect_lock);
 
 	return ret;
 }
@@ -749,6 +788,9 @@
  * usb_gadget_activate() is called.  For example, user mode components may
  * need to be activated before the system can talk to hosts.
  *
+ * This routine may sleep; it must not be called in interrupt context
+ * (such as from within a gadget driver's disconnect() callback).
+ *
  * Returns zero on success, else negative errno.
  */
 int usb_gadget_deactivate(struct usb_gadget *gadget)
@@ -758,10 +800,11 @@
 	if (gadget->deactivated)
 		goto out;
 
+	mutex_lock(&connect_lock);
 	if (gadget->connected) {
-		ret = usb_gadget_disconnect(gadget);
+		ret = usb_gadget_disconnect_locked(gadget);
 		if (ret)
-			goto out;
+			goto unlock;
 
 		/*
 		 * If gadget was being connected before deactivation, we want
@@ -771,6 +814,8 @@
 	}
 	gadget->deactivated = true;
 
+unlock:
+	mutex_unlock(&connect_lock);
 out:
 	trace_usb_gadget_deactivate(gadget, ret);
 
@@ -785,6 +830,8 @@
  * This routine activates gadget which was previously deactivated with
  * usb_gadget_deactivate() call. It calls usb_gadget_connect() if needed.
  *
+ * This routine may sleep; it must not be called in interrupt context.
+ *
  * Returns zero on success, else negative errno.
  */
 int usb_gadget_activate(struct usb_gadget *gadget)
@@ -794,6 +841,7 @@
 	if (!gadget->deactivated)
 		goto out;
 
+	mutex_lock(&connect_lock);
 	gadget->deactivated = false;
 
 	/*
@@ -801,7 +849,8 @@
 	 * while it was being deactivated, we call usb_gadget_connect().
 	 */
 	if (gadget->connected)
-		ret = usb_gadget_connect(gadget);
+		ret = usb_gadget_connect_locked(gadget);
+	mutex_unlock(&connect_lock);
 
 out:
 	trace_usb_gadget_activate(gadget, ret);
@@ -1044,12 +1093,13 @@
 
 /* ------------------------------------------------------------------------- */
 
-static void usb_udc_connect_control(struct usb_udc *udc)
+/* Acquire connect_lock before calling this function. */
+static void usb_udc_connect_control_locked(struct usb_udc *udc) __must_hold(&connect_lock)
 {
-	if (udc->vbus)
-		usb_gadget_connect(udc->gadget);
+	if (udc->vbus && udc->started)
+		usb_gadget_connect_locked(udc->gadget);
 	else
-		usb_gadget_disconnect(udc->gadget);
+		usb_gadget_disconnect_locked(udc->gadget);
 }
 
 /**
@@ -1065,10 +1115,12 @@
 {
 	struct usb_udc *udc = gadget->udc;
 
+	mutex_lock(&connect_lock);
 	if (udc) {
 		udc->vbus = status;
-		usb_udc_connect_control(udc);
+		usb_udc_connect_control_locked(udc);
 	}
+	mutex_unlock(&connect_lock);
 }
 EXPORT_SYMBOL_GPL(usb_udc_vbus_handler);
 
@@ -1090,7 +1142,7 @@
 EXPORT_SYMBOL_GPL(usb_gadget_udc_reset);
 
 /**
- * usb_gadget_udc_start - tells usb device controller to start up
+ * usb_gadget_udc_start_locked - tells usb device controller to start up
  * @udc: The UDC to be started
  *
  * This call is issued by the UDC Class driver when it's about
@@ -1101,14 +1153,28 @@
  * necessary to have it powered on.
  *
  * Returns zero on success, else negative errno.
+ *
+ * Caller should acquire connect_lock before invoking this function.
  */
-static inline int usb_gadget_udc_start(struct usb_udc *udc)
+static inline int usb_gadget_udc_start_locked(struct usb_udc *udc)
+	__must_hold(&connect_lock)
 {
-	return udc->gadget->ops->udc_start(udc->gadget, udc->driver);
+	int ret;
+
+	if (udc->started) {
+		dev_err(&udc->dev, "UDC had already started\n");
+		return -EBUSY;
+	}
+
+	ret = udc->gadget->ops->udc_start(udc->gadget, udc->driver);
+	if (!ret)
+		udc->started = true;
+
+	return ret;
 }
 
 /**
- * usb_gadget_udc_stop - tells usb device controller we don't need it anymore
+ * usb_gadget_udc_stop_locked - tells usb device controller we don't need it anymore
  * @udc: The UDC to be stopped
  *
  * This call is issued by the UDC Class driver after calling
@@ -1117,10 +1183,19 @@
  * The details are implementation specific, but it can go as
  * far as powering off UDC completely and disable its data
  * line pullups.
+ *
+ * Caller should acquire connect lock before invoking this function.
  */
-static inline void usb_gadget_udc_stop(struct usb_udc *udc)
+static inline void usb_gadget_udc_stop_locked(struct usb_udc *udc)
+	__must_hold(&connect_lock)
 {
+	if (!udc->started) {
+		dev_err(&udc->dev, "UDC had already stopped\n");
+		return;
+	}
+
 	udc->gadget->ops->udc_stop(udc->gadget);
+	udc->started = false;
 }
 
 /**
@@ -1136,12 +1211,65 @@
 static inline void usb_gadget_udc_set_speed(struct usb_udc *udc,
 					    enum usb_device_speed speed)
 {
-	if (udc->gadget->ops->udc_set_speed) {
-		enum usb_device_speed s;
+	struct usb_gadget *gadget = udc->gadget;
+	enum usb_device_speed s;
 
-		s = min(speed, udc->gadget->max_speed);
-		udc->gadget->ops->udc_set_speed(udc->gadget, s);
-	}
+	if (speed == USB_SPEED_UNKNOWN)
+		s = gadget->max_speed;
+	else
+		s = min(speed, gadget->max_speed);
+
+	if (s == USB_SPEED_SUPER_PLUS && gadget->ops->udc_set_ssp_rate)
+		gadget->ops->udc_set_ssp_rate(gadget, gadget->max_ssp_rate);
+	else if (gadget->ops->udc_set_speed)
+		gadget->ops->udc_set_speed(gadget, s);
+}
+
+/**
+ * usb_gadget_enable_async_callbacks - tell usb device controller to enable asynchronous callbacks
+ * @udc: The UDC which should enable async callbacks
+ *
+ * This routine is used when binding gadget drivers.  It undoes the effect
+ * of usb_gadget_disable_async_callbacks(); the UDC driver should enable IRQs
+ * (if necessary) and resume issuing callbacks.
+ *
+ * This routine will always be called in process context.
+ */
+static inline void usb_gadget_enable_async_callbacks(struct usb_udc *udc)
+{
+	struct usb_gadget *gadget = udc->gadget;
+
+	if (gadget->ops->udc_async_callbacks)
+		gadget->ops->udc_async_callbacks(gadget, true);
+}
+
+/**
+ * usb_gadget_disable_async_callbacks - tell usb device controller to disable asynchronous callbacks
+ * @udc: The UDC which should disable async callbacks
+ *
+ * This routine is used when unbinding gadget drivers.  It prevents a race:
+ * The UDC driver doesn't know when the gadget driver's ->unbind callback
+ * runs, so unless it is told to disable asynchronous callbacks, it might
+ * issue a callback (such as ->disconnect) after the unbind has completed.
+ *
+ * After this function runs, the UDC driver must suppress all ->suspend,
+ * ->resume, ->disconnect, ->reset, and ->setup callbacks to the gadget driver
+ * until async callbacks are again enabled.  A simple-minded but effective
+ * way to accomplish this is to tell the UDC hardware not to generate any
+ * more IRQs.
+ *
+ * Request completion callbacks must still be issued.  However, it's okay
+ * to defer them until the request is cancelled, since the pull-up will be
+ * turned off during the time period when async callbacks are disabled.
+ *
+ * This routine will always be called in process context.
+ */
+static inline void usb_gadget_disable_async_callbacks(struct usb_udc *udc)
+{
+	struct usb_gadget *gadget = udc->gadget;
+
+	if (gadget->ops->udc_async_callbacks)
+		gadget->ops->udc_async_callbacks(gadget, false);
 }
 
 /**
@@ -1244,6 +1372,8 @@
 	udc->gadget = gadget;
 	gadget->udc = udc;
 
+	udc->started = false;
+
 	mutex_lock(&udc_lock);
 	list_add_tail(&udc->list, &udc_list);
 
@@ -1353,11 +1483,18 @@
 	dev_dbg(&udc->dev, "unregistering UDC driver [%s]\n",
 			udc->driver->function);
 
-	usb_gadget_disconnect(udc->gadget);
+	mutex_lock(&connect_lock);
+	usb_gadget_disconnect_locked(udc->gadget);
+	usb_gadget_disable_async_callbacks(udc);
 	if (udc->gadget->irq)
 		synchronize_irq(udc->gadget->irq);
+	mutex_unlock(&connect_lock);
+
 	udc->driver->unbind(udc->gadget);
-	usb_gadget_udc_stop(udc);
+
+	mutex_lock(&connect_lock);
+	usb_gadget_udc_stop_locked(udc);
+	mutex_unlock(&connect_lock);
 
 	udc->driver = NULL;
 	udc->gadget->dev.driver = NULL;
@@ -1430,12 +1567,16 @@
 	ret = driver->bind(udc->gadget, driver);
 	if (ret)
 		goto err1;
-	ret = usb_gadget_udc_start(udc);
+	mutex_lock(&connect_lock);
+	ret = usb_gadget_udc_start_locked(udc);
 	if (ret) {
+		mutex_unlock(&connect_lock);
 		driver->unbind(udc->gadget);
 		goto err1;
 	}
-	usb_udc_connect_control(udc);
+	usb_gadget_enable_async_callbacks(udc);
+	usb_udc_connect_control_locked(udc);
+	mutex_unlock(&connect_lock);
 
 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
 	return 0;
@@ -1558,11 +1699,15 @@
 	}
 
 	if (sysfs_streq(buf, "connect")) {
-		usb_gadget_udc_start(udc);
-		usb_gadget_connect(udc->gadget);
+		mutex_lock(&connect_lock);
+		usb_gadget_udc_start_locked(udc);
+		usb_gadget_connect_locked(udc->gadget);
+		mutex_unlock(&connect_lock);
 	} else if (sysfs_streq(buf, "disconnect")) {
-		usb_gadget_disconnect(udc->gadget);
-		usb_gadget_udc_stop(udc);
+		mutex_lock(&connect_lock);
+		usb_gadget_disconnect_locked(udc->gadget);
+		usb_gadget_udc_stop_locked(udc);
+		mutex_unlock(&connect_lock);
 	} else {
 		dev_err(dev, "unsupported command '%s'\n", buf);
 		ret = -EINVAL;
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index 494da00..1183842 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -2553,7 +2553,7 @@
 
 	/* set up driver data structures */
 	BUG_ON(strlen(name) >= sizeof ep->name);
-	strlcpy(ep->name, name, sizeof ep->name);
+	strscpy(ep->name, name, sizeof(ep->name));
 	INIT_LIST_HEAD(&ep->queue);
 	INIT_LIST_HEAD(&ep->iso);
 	ep->bEndpointAddress = addr;
diff --git a/drivers/usb/gadget/udc/snps_udc_core.c b/drivers/usb/gadget/udc/snps_udc_core.c
index 6c726d2..d046c09 100644
--- a/drivers/usb/gadget/udc/snps_udc_core.c
+++ b/drivers/usb/gadget/udc/snps_udc_core.c
@@ -36,7 +36,6 @@
 #include <asm/unaligned.h>
 #include "amd5536udc.h"
 
-static void udc_tasklet_disconnect(unsigned long);
 static void udc_setup_endpoints(struct udc *dev);
 static void udc_soft_reset(struct udc *dev);
 static struct udc_request *udc_alloc_bna_dummy(struct udc_ep *ep);
@@ -95,9 +94,6 @@
 static int stop_pollstall_timer;
 static DECLARE_COMPLETION(on_pollstall_exit);
 
-/* tasklet for usb disconnect */
-static DECLARE_TASKLET_OLD(disconnect_tasklet, udc_tasklet_disconnect);
-
 /* endpoint names used for print */
 static const char ep0_string[] = "ep0in";
 static const struct {
@@ -1637,6 +1633,8 @@
  */
 static void usb_disconnect(struct udc *dev)
 {
+	u32 tmp;
+
 	/* Return if already disconnected */
 	if (!dev->connected)
 		return;
@@ -1648,23 +1646,6 @@
 	/* mask interrupts */
 	udc_mask_unused_interrupts(dev);
 
-	/* REVISIT there doesn't seem to be a point to having this
-	 * talk to a tasklet ... do it directly, we already hold
-	 * the spinlock needed to process the disconnect.
-	 */
-
-	tasklet_schedule(&disconnect_tasklet);
-}
-
-/* Tasklet for disconnect to be outside of interrupt context */
-static void udc_tasklet_disconnect(unsigned long par)
-{
-	struct udc *dev = udc;
-	u32 tmp;
-
-	DBG(dev, "Tasklet disconnect\n");
-	spin_lock_irq(&dev->lock);
-
 	if (dev->driver) {
 		spin_unlock(&dev->lock);
 		dev->driver->disconnect(&dev->gadget);
@@ -1673,13 +1654,10 @@
 		/* empty queues */
 		for (tmp = 0; tmp < UDC_EP_NUM; tmp++)
 			empty_req_queue(&dev->ep[tmp]);
-
 	}
 
 	/* disable ep0 */
-	ep_init(dev->regs,
-			&dev->ep[UDC_EP0IN_IX]);
-
+	ep_init(dev->regs, &dev->ep[UDC_EP0IN_IX]);
 
 	if (!soft_reset_occured) {
 		/* init controller by soft reset */
@@ -1695,8 +1673,6 @@
 		tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_FS, UDC_DEVCFG_SPD);
 		writel(tmp, &dev->regs->cfg);
 	}
-
-	spin_unlock_irq(&dev->lock);
 }
 
 /* Reset the UDC core */
diff --git a/drivers/usb/gadget/udc/trace.c b/drivers/usb/gadget/udc/trace.c
index 7430624..e0e6172 100644
--- a/drivers/usb/gadget/udc/trace.c
+++ b/drivers/usb/gadget/udc/trace.c
@@ -8,3 +8,6 @@
 
 #define CREATE_TRACE_POINTS
 #include "trace.h"
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(usb_gadget_connect);
+EXPORT_TRACEPOINT_SYMBOL_GPL(usb_gadget_disconnect);
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index 47486f0..59cda48 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -1964,7 +1964,7 @@
 	if (intrstatus & (XUSB_STATUS_EP0_BUFF1_COMP_MASK << epnum))
 		ep->buffer0ready = 0;
 	if (intrstatus & (XUSB_STATUS_EP0_BUFF2_COMP_MASK << epnum))
-		ep->buffer1ready = 0;
+		ep->buffer1ready = false;
 
 	if (list_empty(&ep->queue))
 		return;
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index bc73133..2c7155f 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -19,9 +19,7 @@
 	xhci-hcd-y += xhci-dbgcap.o xhci-dbgtty.o
 endif
 
-ifneq ($(CONFIG_USB_XHCI_MTK), )
-	xhci-hcd-y += xhci-mtk-sch.o
-endif
+xhci-mtk-hcd-y := xhci-mtk.o xhci-mtk-sch.o
 
 xhci-plat-hcd-y := xhci-plat.o
 ifneq ($(CONFIG_USB_XHCI_MVEBU), )
@@ -75,7 +73,7 @@
 obj-$(CONFIG_USB_XHCI_PCI_RENESAS)	+= xhci-pci-renesas.o
 obj-$(CONFIG_USB_XHCI_PLATFORM) += xhci-plat-hcd.o
 obj-$(CONFIG_USB_XHCI_HISTB)	+= xhci-histb.o
-obj-$(CONFIG_USB_XHCI_MTK)	+= xhci-mtk.o
+obj-$(CONFIG_USB_XHCI_MTK)	+= xhci-mtk-hcd.o
 obj-$(CONFIG_USB_XHCI_TEGRA)	+= xhci-tegra.o
 obj-$(CONFIG_USB_SL811_HCD)	+= sl811-hcd.o
 obj-$(CONFIG_USB_SL811_CS)	+= sl811_cs.o
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index e92f920..e94cb14 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -449,8 +449,13 @@
 	    cmd->status == COMP_COMMAND_RING_STOPPED) {
 		xhci_warn(xhci, "Timeout while waiting for stop endpoint command\n");
 		ret = -ETIME;
+		goto cmd_cleanup;
 	}
 
+	ret = xhci_vendor_sync_dev_ctx(xhci, slot_id);
+	if (ret)
+		xhci_warn(xhci, "Sync device context failed, ret=%d\n", ret);
+
 cmd_cleanup:
 	xhci_free_command(xhci, cmd);
 	return ret;
@@ -819,7 +824,7 @@
 }
 
 static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
-					     u32 portsc,
+					     u32 *status, u32 portsc,
 					     unsigned long *flags)
 {
 	struct xhci_bus_state *bus_state;
@@ -834,10 +839,11 @@
 	wIndex = port->hcd_portnum;
 
 	if ((portsc & PORT_RESET) || !(portsc & PORT_PE)) {
+		*status = 0xffffffff;
 		return -EINVAL;
 	}
 	/* did port event handler already start resume timing? */
-	if (!port->resume_timestamp) {
+	if (!bus_state->resume_done[wIndex]) {
 		/* If not, maybe we are in a host initated resume? */
 		if (test_bit(wIndex, &bus_state->resuming_ports)) {
 			/* Host initated resume doesn't time the resume
@@ -854,29 +860,28 @@
 				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 
 			set_bit(wIndex, &bus_state->resuming_ports);
-			port->resume_timestamp = timeout;
+			bus_state->resume_done[wIndex] = timeout;
 			mod_timer(&hcd->rh_timer, timeout);
 			usb_hcd_start_port_resume(&hcd->self, wIndex);
 		}
 	/* Has resume been signalled for USB_RESUME_TIME yet? */
-	} else if (time_after_eq(jiffies, port->resume_timestamp)) {
+	} else if (time_after_eq(jiffies, bus_state->resume_done[wIndex])) {
 		int time_left;
 
 		xhci_dbg(xhci, "resume USB2 port %d-%d\n",
 			 hcd->self.busnum, wIndex + 1);
 
-		port->resume_timestamp = 0;
+		bus_state->resume_done[wIndex] = 0;
 		clear_bit(wIndex, &bus_state->resuming_ports);
 
-		reinit_completion(&port->rexit_done);
-		port->rexit_active = true;
+		set_bit(wIndex, &bus_state->rexit_ports);
 
 		xhci_test_and_clear_bit(xhci, port, PORT_PLC);
 		xhci_set_link_state(xhci, port, XDEV_U0);
 
 		spin_unlock_irqrestore(&xhci->lock, *flags);
 		time_left = wait_for_completion_timeout(
-			&port->rexit_done,
+			&bus_state->rexit_done[wIndex],
 			msecs_to_jiffies(XHCI_MAX_REXIT_TIMEOUT_MS));
 		spin_lock_irqsave(&xhci->lock, *flags);
 
@@ -885,6 +890,7 @@
 							    wIndex + 1);
 			if (!slot_id) {
 				xhci_dbg(xhci, "slot_id is zero\n");
+				*status = 0xffffffff;
 				return -ENODEV;
 			}
 			xhci_ring_device(xhci, slot_id);
@@ -893,19 +899,22 @@
 
 			xhci_warn(xhci, "Port resume timed out, port %d-%d: 0x%x\n",
 				  hcd->self.busnum, wIndex + 1, port_status);
-			/*
-			 * keep rexit_active set if U0 transition failed so we
-			 * know to report PORT_STAT_SUSPEND status back to
-			 * usbcore. It will be cleared later once the port is
-			 * out of RESUME/U3 state
-			 */
+			*status |= USB_PORT_STAT_SUSPEND;
+			clear_bit(wIndex, &bus_state->rexit_ports);
 		}
 
 		usb_hcd_end_port_resume(&hcd->self, wIndex);
 		bus_state->port_c_suspend |= 1 << wIndex;
 		bus_state->suspended_ports &= ~(1 << wIndex);
+	} else {
+		/*
+		 * The resume has been signaling for less than
+		 * USB_RESUME_TIME. Report the port status as SUSPEND,
+		 * let the usbcore check port status again and clear
+		 * resume signaling later.
+		 */
+		*status |= USB_PORT_STAT_SUSPEND;
 	}
-
 	return 0;
 }
 
@@ -957,19 +966,19 @@
 		*status |= USB_PORT_STAT_C_CONFIG_ERROR << 16;
 
 	/* USB3 specific wPortStatus bits */
-	if (portsc & PORT_POWER)
+	if (portsc & PORT_POWER) {
 		*status |= USB_SS_PORT_STAT_POWER;
+		/* link state handling */
+		if (link_state == XDEV_U0)
+			bus_state->suspended_ports &= ~(1 << portnum);
+	}
 
-	/* no longer suspended or resuming */
-	if (link_state != XDEV_U3 &&
+	/* remote wake resume signaling complete */
+	if (bus_state->port_remote_wakeup & (1 << portnum) &&
 	    link_state != XDEV_RESUME &&
 	    link_state != XDEV_RECOVERY) {
-		/* remote wake resume signaling complete */
-		if (bus_state->port_remote_wakeup & (1 << portnum)) {
-			bus_state->port_remote_wakeup &= ~(1 << portnum);
-			usb_hcd_end_port_resume(&hcd->self, portnum);
-		}
-		bus_state->suspended_ports &= ~(1 << portnum);
+		bus_state->port_remote_wakeup &= ~(1 << portnum);
+		usb_hcd_end_port_resume(&hcd->self, portnum);
 	}
 
 	xhci_hub_report_usb3_link_state(xhci, status, portsc);
@@ -982,7 +991,7 @@
 	struct xhci_bus_state *bus_state;
 	u32 link_state;
 	u32 portnum;
-	int err;
+	int ret;
 
 	bus_state = &port->rhub->bus_state;
 	link_state = portsc & PORT_PLS_MASK;
@@ -998,36 +1007,23 @@
 		if (link_state == XDEV_U2)
 			*status |= USB_PORT_STAT_L1;
 		if (link_state == XDEV_U0) {
+			if (bus_state->resume_done[portnum])
+				usb_hcd_end_port_resume(&port->rhub->hcd->self,
+							portnum);
+			bus_state->resume_done[portnum] = 0;
+			clear_bit(portnum, &bus_state->resuming_ports);
 			if (bus_state->suspended_ports & (1 << portnum)) {
 				bus_state->suspended_ports &= ~(1 << portnum);
 				bus_state->port_c_suspend |= 1 << portnum;
 			}
 		}
 		if (link_state == XDEV_RESUME) {
-			err = xhci_handle_usb2_port_link_resume(port, portsc,
-								flags);
-			if (err < 0)
-				*status = 0xffffffff;
-			else if (port->resume_timestamp || port->rexit_active)
-				*status |= USB_PORT_STAT_SUSPEND;
+			ret = xhci_handle_usb2_port_link_resume(port, status,
+								portsc, flags);
+			if (ret)
+				return;
 		}
 	}
-
-	/*
-	 * Clear usb2 resume signalling variables if port is no longer suspended
-	 * or resuming. Port either resumed to U0/U1/U2, disconnected, or in a
-	 * error state. Resume related variables should be cleared in all those cases.
-	 */
-	if (link_state != XDEV_U3 && link_state != XDEV_RESUME) {
-		if (port->resume_timestamp ||
-		    test_bit(portnum, &bus_state->resuming_ports)) {
-			port->resume_timestamp = 0;
-			clear_bit(portnum, &bus_state->resuming_ports);
-			usb_hcd_end_port_resume(&port->rhub->hcd->self, portnum);
-		}
-		port->rexit_active = 0;
-		bus_state->suspended_ports &= ~(1 << portnum);
-	}
 }
 
 /*
@@ -1082,6 +1078,18 @@
 	else
 		xhci_get_usb2_port_status(port, &status, raw_port_status,
 					  flags);
+	/*
+	 * Clear stale usb2 resume signalling variables in case port changed
+	 * state during resume signalling. For example on error
+	 */
+	if ((bus_state->resume_done[wIndex] ||
+	     test_bit(wIndex, &bus_state->resuming_ports)) &&
+	    (raw_port_status & PORT_PLS_MASK) != XDEV_U3 &&
+	    (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) {
+		bus_state->resume_done[wIndex] = 0;
+		clear_bit(wIndex, &bus_state->resuming_ports);
+		usb_hcd_end_port_resume(&hcd->self, wIndex);
+	}
 
 	if (bus_state->port_c_suspend & (1 << wIndex))
 		status |= USB_PORT_STAT_C_SUSPEND << 16;
@@ -1105,14 +1113,11 @@
 	u16 test_mode = 0;
 	struct xhci_hub *rhub;
 	struct xhci_port **ports;
-	struct xhci_port *port;
-	int portnum1;
 
 	rhub = xhci_get_rhub(hcd);
 	ports = rhub->ports;
 	max_ports = rhub->num_ports;
 	bus_state = &rhub->bus_state;
-	portnum1 = wIndex & 0xff;
 
 	spin_lock_irqsave(&xhci->lock, flags);
 	switch (typeReq) {
@@ -1146,12 +1151,10 @@
 		spin_unlock_irqrestore(&xhci->lock, flags);
 		return retval;
 	case GetPortStatus:
-		if (!portnum1 || portnum1 > max_ports)
+		if (!wIndex || wIndex > max_ports)
 			goto error;
-
 		wIndex--;
-		port = ports[portnum1 - 1];
-		temp = readl(port->addr);
+		temp = readl(ports[wIndex]->addr);
 		if (temp == ~(u32)0) {
 			xhci_hc_died(xhci);
 			retval = -ENODEV;
@@ -1164,7 +1167,7 @@
 			goto error;
 
 		xhci_dbg(xhci, "Get port status %d-%d read: 0x%x, return 0x%x",
-			 hcd->self.busnum, portnum1, temp, status);
+			 hcd->self.busnum, wIndex + 1, temp, status);
 
 		put_unaligned(cpu_to_le32(status), (__le32 *) buf);
 		/* if USB 3.1 extended port status return additional 4 bytes */
@@ -1176,7 +1179,7 @@
 				retval = -EINVAL;
 				break;
 			}
-			port_li = readl(port->addr + PORTLI);
+			port_li = readl(ports[wIndex]->addr + PORTLI);
 			status = xhci_get_ext_port_status(temp, port_li);
 			put_unaligned_le32(status, &buf[4]);
 		}
@@ -1190,14 +1193,11 @@
 			test_mode = (wIndex & 0xff00) >> 8;
 		/* The MSB of wIndex is the U1/U2 timeout */
 		timeout = (wIndex & 0xff00) >> 8;
-
 		wIndex &= 0xff;
-		if (!portnum1 || portnum1 > max_ports)
+		if (!wIndex || wIndex > max_ports)
 			goto error;
-
-		port = ports[portnum1 - 1];
 		wIndex--;
-		temp = readl(port->addr);
+		temp = readl(ports[wIndex]->addr);
 		if (temp == ~(u32)0) {
 			xhci_hc_died(xhci);
 			retval = -ENODEV;
@@ -1207,10 +1207,11 @@
 		/* FIXME: What new port features do we need to support? */
 		switch (wValue) {
 		case USB_PORT_FEAT_SUSPEND:
-			temp = readl(port->addr);
+			temp = readl(ports[wIndex]->addr);
 			if ((temp & PORT_PLS_MASK) != XDEV_U0) {
 				/* Resume the port to U0 first */
-				xhci_set_link_state(xhci, port, XDEV_U0);
+				xhci_set_link_state(xhci, ports[wIndex],
+							XDEV_U0);
 				spin_unlock_irqrestore(&xhci->lock, flags);
 				msleep(10);
 				spin_lock_irqsave(&xhci->lock, flags);
@@ -1219,16 +1220,16 @@
 			 * a port unless the port reports that it is in the
 			 * enabled (PED = ‘1’,PLS < ‘3’) state.
 			 */
-			temp = readl(port->addr);
+			temp = readl(ports[wIndex]->addr);
 			if ((temp & PORT_PE) == 0 || (temp & PORT_RESET)
 				|| (temp & PORT_PLS_MASK) >= XDEV_U3) {
 				xhci_warn(xhci, "USB core suspending port %d-%d not in U0/U1/U2\n",
-					  hcd->self.busnum, portnum1);
+					  hcd->self.busnum, wIndex + 1);
 				goto error;
 			}
 
 			slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-							    portnum1);
+					wIndex + 1);
 			if (!slot_id) {
 				xhci_warn(xhci, "slot_id is zero\n");
 				goto error;
@@ -1238,21 +1239,21 @@
 			xhci_stop_device(xhci, slot_id, 1);
 			spin_lock_irqsave(&xhci->lock, flags);
 
-			xhci_set_link_state(xhci, port, XDEV_U3);
+			xhci_set_link_state(xhci, ports[wIndex], XDEV_U3);
 
 			spin_unlock_irqrestore(&xhci->lock, flags);
 			msleep(10); /* wait device to enter */
 			spin_lock_irqsave(&xhci->lock, flags);
 
-			temp = readl(port->addr);
+			temp = readl(ports[wIndex]->addr);
 			bus_state->suspended_ports |= 1 << wIndex;
 			break;
 		case USB_PORT_FEAT_LINK_STATE:
-			temp = readl(port->addr);
+			temp = readl(ports[wIndex]->addr);
 			/* Disable port */
 			if (link_state == USB_SS_PORT_LS_SS_DISABLED) {
 				xhci_dbg(xhci, "Disable port %d-%d\n",
-					 hcd->self.busnum, portnum1);
+					 hcd->self.busnum, wIndex + 1);
 				temp = xhci_port_state_to_neutral(temp);
 				/*
 				 * Clear all change bits, so that we get a new
@@ -1261,17 +1262,18 @@
 				temp |= PORT_CSC | PORT_PEC | PORT_WRC |
 					PORT_OCC | PORT_RC | PORT_PLC |
 					PORT_CEC;
-				writel(temp | PORT_PE, port->addr);
-				temp = readl(port->addr);
+				writel(temp | PORT_PE, ports[wIndex]->addr);
+				temp = readl(ports[wIndex]->addr);
 				break;
 			}
 
 			/* Put link in RxDetect (enable port) */
 			if (link_state == USB_SS_PORT_LS_RX_DETECT) {
 				xhci_dbg(xhci, "Enable port %d-%d\n",
-					 hcd->self.busnum, portnum1);
-				xhci_set_link_state(xhci, port,	link_state);
-				temp = readl(port->addr);
+					 hcd->self.busnum, wIndex + 1);
+				xhci_set_link_state(xhci, ports[wIndex],
+							link_state);
+				temp = readl(ports[wIndex]->addr);
 				break;
 			}
 
@@ -1301,10 +1303,11 @@
 				}
 
 				xhci_dbg(xhci, "Enable compliance mode transition for port %d-%d\n",
-					 hcd->self.busnum, portnum1);
-				xhci_set_link_state(xhci, port, link_state);
+					 hcd->self.busnum, wIndex + 1);
+				xhci_set_link_state(xhci, ports[wIndex],
+						link_state);
 
-				temp = readl(port->addr);
+				temp = readl(ports[wIndex]->addr);
 				break;
 			}
 			/* Port must be enabled */
@@ -1315,7 +1318,8 @@
 			/* Can't set port link state above '3' (U3) */
 			if (link_state > USB_SS_PORT_LS_U3) {
 				xhci_warn(xhci, "Cannot set port %d-%d link state %d\n",
-					  hcd->self.busnum, portnum1, link_state);
+					  hcd->self.busnum, wIndex + 1,
+					  link_state);
 				goto error;
 			}
 
@@ -1337,29 +1341,30 @@
 				    pls == XDEV_RESUME ||
 				    pls == XDEV_RECOVERY) {
 					wait_u0 = true;
-					reinit_completion(&port->u3exit_done);
+					reinit_completion(&bus_state->u3exit_done[wIndex]);
 				}
 				if (pls <= XDEV_U3) /* U1, U2, U3 */
-					xhci_set_link_state(xhci, port, USB_SS_PORT_LS_U0);
+					xhci_set_link_state(xhci, ports[wIndex],
+							    USB_SS_PORT_LS_U0);
 				if (!wait_u0) {
 					if (pls > XDEV_U3)
 						goto error;
 					break;
 				}
 				spin_unlock_irqrestore(&xhci->lock, flags);
-				if (!wait_for_completion_timeout(&port->u3exit_done,
+				if (!wait_for_completion_timeout(&bus_state->u3exit_done[wIndex],
 								 msecs_to_jiffies(500)))
 					xhci_dbg(xhci, "missing U0 port change event for port %d-%d\n",
-						 hcd->self.busnum, portnum1);
+						 hcd->self.busnum, wIndex + 1);
 				spin_lock_irqsave(&xhci->lock, flags);
-				temp = readl(port->addr);
+				temp = readl(ports[wIndex]->addr);
 				break;
 			}
 
 			if (link_state == USB_SS_PORT_LS_U3) {
 				int retries = 16;
 				slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-								    portnum1);
+						wIndex + 1);
 				if (slot_id) {
 					/* unlock to execute stop endpoint
 					 * commands */
@@ -1368,16 +1373,16 @@
 					xhci_stop_device(xhci, slot_id, 1);
 					spin_lock_irqsave(&xhci->lock, flags);
 				}
-				xhci_set_link_state(xhci, port, USB_SS_PORT_LS_U3);
+				xhci_set_link_state(xhci, ports[wIndex], USB_SS_PORT_LS_U3);
 				spin_unlock_irqrestore(&xhci->lock, flags);
 				while (retries--) {
 					usleep_range(4000, 8000);
-					temp = readl(port->addr);
+					temp = readl(ports[wIndex]->addr);
 					if ((temp & PORT_PLS_MASK) == XDEV_U3)
 						break;
 				}
 				spin_lock_irqsave(&xhci->lock, flags);
-				temp = readl(port->addr);
+				temp = readl(ports[wIndex]->addr);
 				bus_state->suspended_ports |= 1 << wIndex;
 			}
 			break;
@@ -1392,38 +1397,39 @@
 			break;
 		case USB_PORT_FEAT_RESET:
 			temp = (temp | PORT_RESET);
-			writel(temp, port->addr);
+			writel(temp, ports[wIndex]->addr);
 
-			temp = readl(port->addr);
+			temp = readl(ports[wIndex]->addr);
 			xhci_dbg(xhci, "set port reset, actual port %d-%d status  = 0x%x\n",
-				 hcd->self.busnum, portnum1, temp);
+				 hcd->self.busnum, wIndex + 1, temp);
 			break;
 		case USB_PORT_FEAT_REMOTE_WAKE_MASK:
-			xhci_set_remote_wake_mask(xhci, port, wake_mask);
-			temp = readl(port->addr);
+			xhci_set_remote_wake_mask(xhci, ports[wIndex],
+						  wake_mask);
+			temp = readl(ports[wIndex]->addr);
 			xhci_dbg(xhci, "set port remote wake mask, actual port %d-%d status  = 0x%x\n",
-				 hcd->self.busnum, portnum1, temp);
+				 hcd->self.busnum, wIndex + 1, temp);
 			break;
 		case USB_PORT_FEAT_BH_PORT_RESET:
 			temp |= PORT_WR;
-			writel(temp, port->addr);
-			temp = readl(port->addr);
+			writel(temp, ports[wIndex]->addr);
+			temp = readl(ports[wIndex]->addr);
 			break;
 		case USB_PORT_FEAT_U1_TIMEOUT:
 			if (hcd->speed < HCD_USB3)
 				goto error;
-			temp = readl(port->addr + PORTPMSC);
+			temp = readl(ports[wIndex]->addr + PORTPMSC);
 			temp &= ~PORT_U1_TIMEOUT_MASK;
 			temp |= PORT_U1_TIMEOUT(timeout);
-			writel(temp, port->addr + PORTPMSC);
+			writel(temp, ports[wIndex]->addr + PORTPMSC);
 			break;
 		case USB_PORT_FEAT_U2_TIMEOUT:
 			if (hcd->speed < HCD_USB3)
 				goto error;
-			temp = readl(port->addr + PORTPMSC);
+			temp = readl(ports[wIndex]->addr + PORTPMSC);
 			temp &= ~PORT_U2_TIMEOUT_MASK;
 			temp |= PORT_U2_TIMEOUT(timeout);
-			writel(temp, port->addr + PORTPMSC);
+			writel(temp, ports[wIndex]->addr + PORTPMSC);
 			break;
 		case USB_PORT_FEAT_TEST:
 			/* 4.19.6 Port Test Modes (USB2 Test Mode) */
@@ -1439,16 +1445,13 @@
 			goto error;
 		}
 		/* unblock any posted writes */
-		temp = readl(port->addr);
+		temp = readl(ports[wIndex]->addr);
 		break;
 	case ClearPortFeature:
-		if (!portnum1 || portnum1 > max_ports)
+		if (!wIndex || wIndex > max_ports)
 			goto error;
-
-		port = ports[portnum1 - 1];
-
 		wIndex--;
-		temp = readl(port->addr);
+		temp = readl(ports[wIndex]->addr);
 		if (temp == ~(u32)0) {
 			xhci_hc_died(xhci);
 			retval = -ENODEV;
@@ -1458,7 +1461,7 @@
 		temp = xhci_port_state_to_neutral(temp);
 		switch (wValue) {
 		case USB_PORT_FEAT_SUSPEND:
-			temp = readl(port->addr);
+			temp = readl(ports[wIndex]->addr);
 			xhci_dbg(xhci, "clear USB_PORT_FEAT_SUSPEND\n");
 			xhci_dbg(xhci, "PORTSC %04x\n", temp);
 			if (temp & PORT_RESET)
@@ -1469,18 +1472,20 @@
 
 				set_bit(wIndex, &bus_state->resuming_ports);
 				usb_hcd_start_port_resume(&hcd->self, wIndex);
-				xhci_set_link_state(xhci, port, XDEV_RESUME);
+				xhci_set_link_state(xhci, ports[wIndex],
+						    XDEV_RESUME);
 				spin_unlock_irqrestore(&xhci->lock, flags);
 				msleep(USB_RESUME_TIMEOUT);
 				spin_lock_irqsave(&xhci->lock, flags);
-				xhci_set_link_state(xhci, port, XDEV_U0);
+				xhci_set_link_state(xhci, ports[wIndex],
+							XDEV_U0);
 				clear_bit(wIndex, &bus_state->resuming_ports);
 				usb_hcd_end_port_resume(&hcd->self, wIndex);
 			}
 			bus_state->port_c_suspend |= 1 << wIndex;
 
 			slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-					portnum1);
+					wIndex + 1);
 			if (!slot_id) {
 				xhci_dbg(xhci, "slot_id is zero\n");
 				goto error;
@@ -1498,11 +1503,11 @@
 		case USB_PORT_FEAT_C_PORT_LINK_STATE:
 		case USB_PORT_FEAT_C_PORT_CONFIG_ERROR:
 			xhci_clear_port_change_bit(xhci, wValue, wIndex,
-					port->addr, temp);
+					ports[wIndex]->addr, temp);
 			break;
 		case USB_PORT_FEAT_ENABLE:
 			xhci_disable_port(hcd, xhci, wIndex,
-					port->addr, temp);
+					ports[wIndex]->addr, temp);
 			break;
 		case USB_PORT_FEAT_POWER:
 			xhci_set_port_power(xhci, hcd, wIndex, false, &flags);
@@ -1561,17 +1566,6 @@
 
 	status = bus_state->resuming_ports;
 
-	/*
-	 * SS devices are only visible to roothub after link training completes.
-	 * Keep polling roothubs for a grace period after xHC start
-	 */
-	if (xhci->run_graceperiod) {
-		if (time_before(jiffies, xhci->run_graceperiod))
-			status = 1;
-		else
-			xhci->run_graceperiod = 0;
-	}
-
 	mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC | PORT_CEC;
 
 	/* For each port, did anything change?  If so, set that bit in buf. */
@@ -1586,8 +1580,8 @@
 
 		if ((temp & mask) != 0 ||
 			(bus_state->port_c_suspend & 1 << i) ||
-			(ports[i]->resume_timestamp && time_after_eq(
-			    jiffies, ports[i]->resume_timestamp))) {
+			(bus_state->resume_done[i] && time_after_eq(
+			    jiffies, bus_state->resume_done[i]))) {
 			buf[(i + 1) / 8] |= 1 << (i + 1) % 8;
 			status = 1;
 		}
@@ -1735,6 +1729,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(xhci_bus_suspend);
 
 /*
  * Workaround for missing Cold Attach Status (CAS) if device re-plugged in S3.
@@ -1879,6 +1874,7 @@
 	spin_unlock_irqrestore(&xhci->lock, flags);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(xhci_bus_resume);
 
 unsigned long xhci_get_resuming_ports(struct usb_hcd *hcd)
 {
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 006e1b1..97e9af3 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -65,7 +65,7 @@
 	return seg;
 }
 
-static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
+void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
 {
 	if (seg->trbs) {
 		dma_pool_free(xhci->segment_pool, seg->trbs, seg->dma);
@@ -74,8 +74,9 @@
 	kfree(seg->bounce_buf);
 	kfree(seg);
 }
+EXPORT_SYMBOL_GPL(xhci_segment_free);
 
-static void xhci_free_segments_for_ring(struct xhci_hcd *xhci,
+void xhci_free_segments_for_ring(struct xhci_hcd *xhci,
 				struct xhci_segment *first)
 {
 	struct xhci_segment *seg;
@@ -96,9 +97,9 @@
  * DMA address of the next segment.  The caller needs to set any Link TRB
  * related flags, such as End TRB, Toggle Cycle, and no snoop.
  */
-static void xhci_link_segments(struct xhci_segment *prev,
-			       struct xhci_segment *next,
-			       enum xhci_ring_type type, bool chain_links)
+void xhci_link_segments(struct xhci_segment *prev,
+			struct xhci_segment *next,
+			enum xhci_ring_type type, bool chain_links)
 {
 	u32 val;
 
@@ -118,6 +119,7 @@
 		prev->trbs[TRBS_PER_SEGMENT-1].link.control = cpu_to_le32(val);
 	}
 }
+EXPORT_SYMBOL_GPL(xhci_link_segments);
 
 /*
  * Link the ring to the new segments.
@@ -292,6 +294,7 @@
 
 	kfree(ring);
 }
+EXPORT_SYMBOL_GPL(xhci_ring_free);
 
 void xhci_initialize_ring_info(struct xhci_ring *ring,
 			       unsigned int cycle_state)
@@ -316,6 +319,7 @@
 	 */
 	ring->num_trbs_free = ring->num_segs * (TRBS_PER_SEGMENT - 1) - 1;
 }
+EXPORT_SYMBOL_GPL(xhci_initialize_ring_info);
 
 /* Allocate segments and link them for a ring */
 static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci,
@@ -361,6 +365,54 @@
 	return 0;
 }
 
+static void xhci_vendor_free_container_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->free_container_ctx)
+		ops->free_container_ctx(xhci, ctx);
+}
+
+static void xhci_vendor_alloc_container_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
+					    int type, gfp_t flags)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->alloc_container_ctx)
+		ops->alloc_container_ctx(xhci, ctx, type, flags);
+}
+
+static struct xhci_ring *xhci_vendor_alloc_transfer_ring(struct xhci_hcd *xhci,
+		u32 endpoint_type, enum xhci_ring_type ring_type,
+		unsigned int max_packet, gfp_t mem_flags)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->alloc_transfer_ring)
+		return ops->alloc_transfer_ring(xhci, endpoint_type, ring_type,
+				max_packet, mem_flags);
+	return 0;
+}
+
+void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
+		struct xhci_virt_device *virt_dev, unsigned int ep_index)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->free_transfer_ring)
+		ops->free_transfer_ring(xhci, virt_dev, ep_index);
+}
+
+bool xhci_vendor_is_usb_offload_enabled(struct xhci_hcd *xhci,
+		struct xhci_virt_device *virt_dev, unsigned int ep_index)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->is_usb_offload_enabled)
+		return ops->is_usb_offload_enabled(xhci, virt_dev, ep_index);
+	return false;
+}
+
 /*
  * Create a new ring with zero or more segments.
  *
@@ -407,12 +459,17 @@
 	kfree(ring);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(xhci_ring_alloc);
 
 void xhci_free_endpoint_ring(struct xhci_hcd *xhci,
 		struct xhci_virt_device *virt_dev,
 		unsigned int ep_index)
 {
-	xhci_ring_free(xhci, virt_dev->eps[ep_index].ring);
+	if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, ep_index))
+		xhci_vendor_free_transfer_ring(xhci, virt_dev, ep_index);
+	else
+		xhci_ring_free(xhci, virt_dev->eps[ep_index].ring);
+
 	virt_dev->eps[ep_index].ring = NULL;
 }
 
@@ -471,6 +528,7 @@
 {
 	struct xhci_container_ctx *ctx;
 	struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
 
 	if ((type != XHCI_CTX_TYPE_DEVICE) && (type != XHCI_CTX_TYPE_INPUT))
 		return NULL;
@@ -484,7 +542,12 @@
 	if (type == XHCI_CTX_TYPE_INPUT)
 		ctx->size += CTX_SIZE(xhci->hcc_params);
 
-	ctx->bytes = dma_pool_zalloc(xhci->device_pool, flags, &ctx->dma);
+	if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0) &&
+	    (ops && ops->alloc_container_ctx))
+		xhci_vendor_alloc_container_ctx(xhci, ctx, type, flags);
+	else
+		ctx->bytes = dma_pool_zalloc(xhci->device_pool, flags, &ctx->dma);
+
 	if (!ctx->bytes) {
 		kfree(ctx);
 		return NULL;
@@ -495,9 +558,16 @@
 void xhci_free_container_ctx(struct xhci_hcd *xhci,
 			     struct xhci_container_ctx *ctx)
 {
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
 	if (!ctx)
 		return;
-	dma_pool_free(xhci->device_pool, ctx->bytes, ctx->dma);
+	if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0) &&
+	    (ops && ops->free_container_ctx))
+		xhci_vendor_free_container_ctx(xhci, ctx);
+	else
+		dma_pool_free(xhci->device_pool, ctx->bytes, ctx->dma);
+
 	kfree(ctx);
 }
 
@@ -519,6 +589,7 @@
 	return (struct xhci_slot_ctx *)
 		(ctx->bytes + CTX_SIZE(xhci->hcc_params));
 }
+EXPORT_SYMBOL_GPL(xhci_get_slot_ctx);
 
 struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci,
 				    struct xhci_container_ctx *ctx,
@@ -532,6 +603,7 @@
 	return (struct xhci_ep_ctx *)
 		(ctx->bytes + (ep_index * CTX_SIZE(xhci->hcc_params)));
 }
+EXPORT_SYMBOL_GPL(xhci_get_ep_ctx);
 
 
 /***************** Streams structures manipulation *************************/
@@ -592,23 +664,6 @@
 	return ep->ring;
 }
 
-struct xhci_ring *xhci_stream_id_to_ring(
-		struct xhci_virt_device *dev,
-		unsigned int ep_index,
-		unsigned int stream_id)
-{
-	struct xhci_virt_ep *ep = &dev->eps[ep_index];
-
-	if (stream_id == 0)
-		return ep->ring;
-	if (!ep->stream_info)
-		return NULL;
-
-	if (stream_id >= ep->stream_info->num_streams)
-		return NULL;
-	return ep->stream_info->stream_rings[stream_id];
-}
-
 /*
  * Change an endpoint's internal structure so it supports stream IDs.  The
  * number of requested streams includes stream 0, which cannot be used by device
@@ -911,7 +966,7 @@
 
 	for (i = 0; i < 31; i++) {
 		if (dev->eps[i].ring)
-			xhci_ring_free(xhci, dev->eps[i].ring);
+			xhci_free_endpoint_ring(xhci, dev, i);
 		if (dev->eps[i].stream_info)
 			xhci_free_stream_info(xhci,
 					dev->eps[i].stream_info);
@@ -1514,8 +1569,16 @@
 		mult = 0;
 
 	/* Set up the endpoint ring */
-	virt_dev->eps[ep_index].new_ring =
-		xhci_ring_alloc(xhci, 2, 1, ring_type, max_packet, mem_flags);
+	if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, ep_index) &&
+	    usb_endpoint_xfer_isoc(&ep->desc)) {
+		virt_dev->eps[ep_index].new_ring =
+			xhci_vendor_alloc_transfer_ring(xhci, endpoint_type, ring_type,
+							max_packet, mem_flags);
+	} else {
+		virt_dev->eps[ep_index].new_ring =
+			xhci_ring_alloc(xhci, 2, 1, ring_type, max_packet, mem_flags);
+	}
+
 	if (!virt_dev->eps[ep_index].new_ring)
 		return -ENOMEM;
 
@@ -1859,6 +1922,24 @@
 	erst->entries = NULL;
 }
 
+static struct xhci_device_context_array *xhci_vendor_alloc_dcbaa(
+		struct xhci_hcd *xhci, gfp_t flags)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->alloc_dcbaa)
+		return ops->alloc_dcbaa(xhci, flags);
+	return 0;
+}
+
+static void xhci_vendor_free_dcbaa(struct xhci_hcd *xhci)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->free_dcbaa)
+		ops->free_dcbaa(xhci);
+}
+
 void xhci_mem_cleanup(struct xhci_hcd *xhci)
 {
 	struct device	*dev = xhci_to_hcd(xhci)->self.sysdev;
@@ -1913,9 +1994,13 @@
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
 			"Freed medium stream array pool");
 
-	if (xhci->dcbaa)
-		dma_free_coherent(dev, sizeof(*xhci->dcbaa),
-				xhci->dcbaa, xhci->dcbaa->dma);
+	if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0)) {
+		xhci_vendor_free_dcbaa(xhci);
+	} else {
+		if (xhci->dcbaa)
+			dma_free_coherent(dev, sizeof(*xhci->dcbaa),
+					xhci->dcbaa, xhci->dcbaa->dma);
+	}
 	xhci->dcbaa = NULL;
 
 	scratchpad_free(xhci);
@@ -1996,7 +2081,7 @@
 }
 
 /* TRB math checks for xhci_trb_in_td(), using the command and event rings. */
-static int xhci_check_trb_in_td_math(struct xhci_hcd *xhci)
+int xhci_check_trb_in_td_math(struct xhci_hcd *xhci)
 {
 	struct {
 		dma_addr_t		input_dma;
@@ -2116,6 +2201,7 @@
 	xhci_dbg(xhci, "TRB math tests passed.\n");
 	return 0;
 }
+EXPORT_SYMBOL_GPL(xhci_check_trb_in_td_math);
 
 static void xhci_set_hc_event_deq(struct xhci_hcd *xhci)
 {
@@ -2336,9 +2422,6 @@
 		xhci->hw_ports[i].addr = &xhci->op_regs->port_status_base +
 			NUM_PORT_REGS * i;
 		xhci->hw_ports[i].hw_portnum = i;
-
-		init_completion(&xhci->hw_ports[i].rexit_done);
-		init_completion(&xhci->hw_ports[i].u3exit_done);
 	}
 
 	xhci->rh_bw = kcalloc_node(num_ports, sizeof(*xhci->rh_bw), flags,
@@ -2475,15 +2558,21 @@
 	 * xHCI section 5.4.6 - doorbell array must be
 	 * "physically contiguous and 64-byte (cache line) aligned".
 	 */
-	xhci->dcbaa = dma_alloc_coherent(dev, sizeof(*xhci->dcbaa), &dma,
-			flags);
-	if (!xhci->dcbaa)
-		goto fail;
-	xhci->dcbaa->dma = dma;
+	if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0)) {
+		xhci->dcbaa = xhci_vendor_alloc_dcbaa(xhci, flags);
+		if (!xhci->dcbaa)
+			goto fail;
+	} else {
+		xhci->dcbaa = dma_alloc_coherent(dev, sizeof(*xhci->dcbaa), &dma,
+				flags);
+		if (!xhci->dcbaa)
+			goto fail;
+		xhci->dcbaa->dma = dma;
+	}
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
 			"// Device context base array address = 0x%llx (DMA), %p (virt)",
 			(unsigned long long)xhci->dcbaa->dma, xhci->dcbaa);
-	xhci_write_64(xhci, dma, &xhci->op_regs->dcbaa_ptr);
+	xhci_write_64(xhci, xhci->dcbaa->dma, &xhci->op_regs->dcbaa_ptr);
 
 	/*
 	 * Initialize the ring segment pool.  The ring must be a contiguous
@@ -2606,6 +2695,13 @@
 	 */
 	for (i = 0; i < MAX_HC_SLOTS; i++)
 		xhci->devs[i] = NULL;
+	for (i = 0; i < USB_MAXCHILDREN; i++) {
+		xhci->usb2_rhub.bus_state.resume_done[i] = 0;
+		xhci->usb3_rhub.bus_state.resume_done[i] = 0;
+		/* Only the USB 2.0 completions will ever be used. */
+		init_completion(&xhci->usb2_rhub.bus_state.rexit_done[i]);
+		init_completion(&xhci->usb3_rhub.bus_state.u3exit_done[i]);
+	}
 
 	if (scratchpad_alloc(xhci, flags))
 		goto fail;
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index 86c4bc9..3bd6d23 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -25,6 +25,8 @@
  */
 #define TT_MICROFRAMES_MAX 9
 
+#define DBG_BUF_EN	64
+
 /* schedule error type */
 #define ESCH_SS_Y6		1001
 #define ESCH_SS_OVERLAP		1002
@@ -62,8 +64,52 @@
 	return speed == USB_SPEED_FULL || speed == USB_SPEED_LOW;
 }
 
+static const char *
+decode_ep(struct usb_host_endpoint *ep, enum usb_device_speed speed)
+{
+	static char buf[DBG_BUF_EN];
+	struct usb_endpoint_descriptor *epd = &ep->desc;
+	unsigned int interval;
+	const char *unit;
+
+	interval = usb_decode_interval(epd, speed);
+	if (interval % 1000) {
+		unit = "us";
+	} else {
+		unit = "ms";
+		interval /= 1000;
+	}
+
+	snprintf(buf, DBG_BUF_EN, "%s ep%d%s %s, mpkt:%d, interval:%d/%d%s\n",
+		 usb_speed_string(speed), usb_endpoint_num(epd),
+		 usb_endpoint_dir_in(epd) ? "in" : "out",
+		 usb_ep_type_string(usb_endpoint_type(epd)),
+		 usb_endpoint_maxp(epd), epd->bInterval, interval, unit);
+
+	return buf;
+}
+
+static u32 get_bw_boundary(enum usb_device_speed speed)
+{
+	u32 boundary;
+
+	switch (speed) {
+	case USB_SPEED_SUPER_PLUS:
+		boundary = SSP_BW_BOUNDARY;
+		break;
+	case USB_SPEED_SUPER:
+		boundary = SS_BW_BOUNDARY;
+		break;
+	default:
+		boundary = HS_BW_BOUNDARY;
+		break;
+	}
+
+	return boundary;
+}
+
 /*
-* get the index of bandwidth domains array which @ep belongs to.
+* get the bandwidth domain which @ep belongs to.
 *
 * the bandwidth domain array is saved to @sch_array of struct xhci_hcd_mtk,
 * each HS root port is treated as a single bandwidth domain,
@@ -74,9 +120,11 @@
 * so the bandwidth domain array is organized as follow for simplification:
 * SSport0-OUT, SSport0-IN, ..., SSportX-OUT, SSportX-IN, HSport0, ..., HSportY
 */
-static int get_bw_index(struct xhci_hcd *xhci, struct usb_device *udev,
-	struct usb_host_endpoint *ep)
+static struct mu3h_sch_bw_info *
+get_bw_info(struct xhci_hcd_mtk *mtk, struct usb_device *udev,
+	    struct usb_host_endpoint *ep)
 {
+	struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd);
 	struct xhci_virt_device *virt_dev;
 	int bw_index;
 
@@ -92,7 +140,7 @@
 		bw_index = virt_dev->real_port + xhci->usb3_rhub.num_ports - 1;
 	}
 
-	return bw_index;
+	return &mtk->sch_array[bw_index];
 }
 
 static u32 get_esit(struct xhci_ep_ctx *ep_ctx)
@@ -110,7 +158,6 @@
 {
 	struct usb_tt *utt = udev->tt;
 	struct mu3h_sch_tt *tt, **tt_index, **ptt;
-	unsigned int port;
 	bool allocated_index = false;
 
 	if (!utt)
@@ -132,10 +179,8 @@
 			utt->hcpriv = tt_index;
 			allocated_index = true;
 		}
-		port = udev->ttport - 1;
-		ptt = &tt_index[port];
+		ptt = &tt_index[udev->ttport - 1];
 	} else {
-		port = 0;
 		ptt = (struct mu3h_sch_tt **) &utt->hcpriv;
 	}
 
@@ -150,8 +195,6 @@
 			return ERR_PTR(-ENOMEM);
 		}
 		INIT_LIST_HEAD(&tt->ep_list);
-		tt->usb_tt = utt;
-		tt->tt_port = port;
 		*ptt = tt;
 	}
 
@@ -225,14 +268,15 @@
 
 	sch_ep->sch_tt = tt;
 	sch_ep->ep = ep;
+	sch_ep->speed = udev->speed;
 	INIT_LIST_HEAD(&sch_ep->endpoint);
 	INIT_LIST_HEAD(&sch_ep->tt_endpoint);
 
 	return sch_ep;
 }
 
-static void setup_sch_info(struct usb_device *udev,
-		struct xhci_ep_ctx *ep_ctx, struct mu3h_sch_ep_info *sch_ep)
+static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
+			   struct mu3h_sch_ep_info *sch_ep)
 {
 	u32 ep_type;
 	u32 maxpkt;
@@ -259,7 +303,7 @@
 	sch_ep->burst_mode = 0;
 	sch_ep->repeat = 0;
 
-	if (udev->speed == USB_SPEED_HIGH) {
+	if (sch_ep->speed == USB_SPEED_HIGH) {
 		sch_ep->cs_count = 0;
 
 		/*
@@ -277,7 +321,7 @@
 		sch_ep->pkts = max_burst + 1;
 		sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts;
 		bwb_table[0] = sch_ep->bw_cost_per_microframe;
-	} else if (udev->speed >= USB_SPEED_SUPER) {
+	} else if (sch_ep->speed >= USB_SPEED_SUPER) {
 		/* usb3_r1 spec section4.4.7 & 4.4.8 */
 		sch_ep->cs_count = 0;
 		sch_ep->burst_mode = 1;
@@ -297,7 +341,6 @@
 		}
 
 		if (ep_type == ISOC_IN_EP || ep_type == ISOC_OUT_EP) {
-			u32 remainder;
 
 			if (sch_ep->esit == 1)
 				sch_ep->pkts = esit_pkts;
@@ -313,16 +356,14 @@
 			sch_ep->repeat = !!(sch_ep->num_budget_microframes > 1);
 			sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts;
 
-			remainder = sch_ep->bw_cost_per_microframe;
-			remainder *= sch_ep->num_budget_microframes;
-			remainder -= (maxpkt * esit_pkts);
 			for (i = 0; i < sch_ep->num_budget_microframes - 1; i++)
 				bwb_table[i] = sch_ep->bw_cost_per_microframe;
 
 			/* last one <= bw_cost_per_microframe */
-			bwb_table[i] = remainder;
+			bwb_table[i] = maxpkt * esit_pkts
+				       - i * sch_ep->bw_cost_per_microframe;
 		}
-	} else if (is_fs_or_ls(udev->speed)) {
+	} else if (is_fs_or_ls(sch_ep->speed)) {
 		sch_ep->pkts = 1; /* at most one packet for each microframe */
 
 		/*
@@ -428,8 +469,7 @@
 	return 0;
 }
 
-static int check_sch_tt(struct usb_device *udev,
-	struct mu3h_sch_ep_info *sch_ep, u32 offset)
+static int check_sch_tt(struct mu3h_sch_ep_info *sch_ep, u32 offset)
 {
 	u32 extra_cs_count;
 	u32 start_ss, last_ss;
@@ -488,8 +528,7 @@
 	return check_fs_bus_bw(sch_ep, offset);
 }
 
-static void update_sch_tt(struct usb_device *udev,
-	struct mu3h_sch_ep_info *sch_ep, bool used)
+static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used)
 {
 	struct mu3h_sch_tt *tt = sch_ep->sch_tt;
 	u32 base, num_esit;
@@ -521,11 +560,11 @@
 		list_del(&sch_ep->tt_endpoint);
 }
 
-static int load_ep_bw(struct usb_device *udev, struct mu3h_sch_bw_info *sch_bw,
+static int load_ep_bw(struct mu3h_sch_bw_info *sch_bw,
 		      struct mu3h_sch_ep_info *sch_ep, bool loaded)
 {
 	if (sch_ep->sch_tt)
-		update_sch_tt(udev, sch_ep, loaded);
+		update_sch_tt(sch_ep, loaded);
 
 	/* update bus bandwidth info */
 	update_bus_bw(sch_bw, sch_ep, loaded);
@@ -551,8 +590,8 @@
 	return boundary;
 }
 
-static int check_sch_bw(struct usb_device *udev,
-	struct mu3h_sch_bw_info *sch_bw, struct mu3h_sch_ep_info *sch_ep)
+static int check_sch_bw(struct mu3h_sch_bw_info *sch_bw,
+			struct mu3h_sch_ep_info *sch_ep)
 {
 	u32 offset;
 	u32 min_bw;
@@ -575,7 +614,7 @@
 	esit_boundary = get_esit_boundary(sch_ep);
 	for (offset = 0; offset < sch_ep->esit; offset++) {
 		if (sch_ep->sch_tt) {
-			ret = check_sch_tt(udev, sch_ep, offset);
+			ret = check_sch_tt(sch_ep, offset);
 			if (ret)
 				continue;
 		}
@@ -594,13 +633,7 @@
 			break;
 	}
 
-	if (udev->speed == USB_SPEED_SUPER_PLUS)
-		bw_boundary = SSP_BW_BOUNDARY;
-	else if (udev->speed == USB_SPEED_SUPER)
-		bw_boundary = SS_BW_BOUNDARY;
-	else
-		bw_boundary = HS_BW_BOUNDARY;
-
+	bw_boundary = get_bw_boundary(sch_ep->speed);
 	/* check bandwidth */
 	if (min_bw > bw_boundary)
 		return ret ? ret : -ESCH_BW_OVERFLOW;
@@ -609,7 +642,7 @@
 	sch_ep->cs_count = min_cs_count;
 	sch_ep->num_budget_microframes = min_num_budget;
 
-	return load_ep_bw(udev, sch_bw, sch_ep, true);
+	return load_ep_bw(sch_bw, sch_ep, true);
 }
 
 static void destroy_sch_ep(struct usb_device *udev,
@@ -617,7 +650,7 @@
 {
 	/* only release ep bw check passed by check_sch_bw() */
 	if (sch_ep->allocated)
-		load_ep_bw(udev, sch_bw, sch_ep, false);
+		load_ep_bw(sch_bw, sch_ep, false);
 
 	if (sch_ep->sch_tt)
 		drop_tt(udev);
@@ -672,37 +705,29 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(xhci_mtk_sch_init);
 
 void xhci_mtk_sch_exit(struct xhci_hcd_mtk *mtk)
 {
 	kfree(mtk->sch_array);
 }
-EXPORT_SYMBOL_GPL(xhci_mtk_sch_exit);
 
-int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
-		struct usb_host_endpoint *ep)
+static int add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
+			struct usb_host_endpoint *ep)
 {
 	struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
-	struct xhci_hcd *xhci;
+	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 	struct xhci_ep_ctx *ep_ctx;
-	struct xhci_slot_ctx *slot_ctx;
 	struct xhci_virt_device *virt_dev;
 	struct mu3h_sch_ep_info *sch_ep;
 	unsigned int ep_index;
 
-	xhci = hcd_to_xhci(hcd);
 	virt_dev = xhci->devs[udev->slot_id];
 	ep_index = xhci_get_endpoint_index(&ep->desc);
-	slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx);
 	ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
 
-	xhci_dbg(xhci, "%s() type:%d, speed:%d, mpkt:%d, dir:%d, ep:%p\n",
-		__func__, usb_endpoint_type(&ep->desc), udev->speed,
-		usb_endpoint_maxp(&ep->desc),
-		usb_endpoint_dir_in(&ep->desc), ep);
+	xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
 
-	if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) {
+	if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info)) {
 		/*
 		 * set @bpkts to 1 if it is LS or FS periodic endpoint, and its
 		 * device does not connected through an external HS hub
@@ -718,41 +743,30 @@
 	if (IS_ERR_OR_NULL(sch_ep))
 		return -ENOMEM;
 
-	setup_sch_info(udev, ep_ctx, sch_ep);
+	setup_sch_info(ep_ctx, sch_ep);
 
 	list_add_tail(&sch_ep->endpoint, &mtk->bw_ep_chk_list);
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(xhci_mtk_add_ep_quirk);
 
-void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
-		struct usb_host_endpoint *ep)
+static void drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
+			  struct usb_host_endpoint *ep)
 {
 	struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
-	struct xhci_hcd *xhci;
-	struct xhci_slot_ctx *slot_ctx;
+	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 	struct xhci_virt_device *virt_dev;
-	struct mu3h_sch_bw_info *sch_array;
 	struct mu3h_sch_bw_info *sch_bw;
 	struct mu3h_sch_ep_info *sch_ep, *tmp;
-	int bw_index;
 
-	xhci = hcd_to_xhci(hcd);
 	virt_dev = xhci->devs[udev->slot_id];
-	slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx);
-	sch_array = mtk->sch_array;
 
-	xhci_dbg(xhci, "%s() type:%d, speed:%d, mpks:%d, dir:%d, ep:%p\n",
-		__func__, usb_endpoint_type(&ep->desc), udev->speed,
-		usb_endpoint_maxp(&ep->desc),
-		usb_endpoint_dir_in(&ep->desc), ep);
+	xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
 
-	if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT))
+	if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info))
 		return;
 
-	bw_index = get_bw_index(xhci, udev, ep);
-	sch_bw = &sch_array[bw_index];
+	sch_bw = get_bw_info(mtk, udev, ep);
 
 	list_for_each_entry_safe(sch_ep, tmp, &sch_bw->bw_ep_list, endpoint) {
 		if (sch_ep->ep == ep) {
@@ -761,7 +775,6 @@
 		}
 	}
 }
-EXPORT_SYMBOL_GPL(xhci_mtk_drop_ep_quirk);
 
 int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
 {
@@ -770,15 +783,14 @@
 	struct xhci_virt_device *virt_dev = xhci->devs[udev->slot_id];
 	struct mu3h_sch_bw_info *sch_bw;
 	struct mu3h_sch_ep_info *sch_ep, *tmp;
-	int bw_index, ret;
+	int ret;
 
 	xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
 
 	list_for_each_entry(sch_ep, &mtk->bw_ep_chk_list, endpoint) {
-		bw_index = get_bw_index(xhci, udev, sch_ep->ep);
-		sch_bw = &mtk->sch_array[bw_index];
+		sch_bw = get_bw_info(mtk, udev, sch_ep->ep);
 
-		ret = check_sch_bw(udev, sch_bw, sch_ep);
+		ret = check_sch_bw(sch_bw, sch_ep);
 		if (ret) {
 			xhci_err(xhci, "Not enough bandwidth! (%s)\n",
 				 sch_error_string(-ret));
@@ -791,9 +803,7 @@
 		struct usb_host_endpoint *ep = sch_ep->ep;
 		unsigned int ep_index = xhci_get_endpoint_index(&ep->desc);
 
-		bw_index = get_bw_index(xhci, udev, ep);
-		sch_bw = &mtk->sch_array[bw_index];
-
+		sch_bw = get_bw_info(mtk, udev, ep);
 		list_move_tail(&sch_ep->endpoint, &sch_bw->bw_ep_list);
 
 		ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
@@ -810,7 +820,6 @@
 
 	return xhci_check_bandwidth(hcd, udev);
 }
-EXPORT_SYMBOL_GPL(xhci_mtk_check_bandwidth);
 
 void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
 {
@@ -818,16 +827,43 @@
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 	struct mu3h_sch_bw_info *sch_bw;
 	struct mu3h_sch_ep_info *sch_ep, *tmp;
-	int bw_index;
 
 	xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
 
 	list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint) {
-		bw_index = get_bw_index(xhci, udev, sch_ep->ep);
-		sch_bw = &mtk->sch_array[bw_index];
+		sch_bw = get_bw_info(mtk, udev, sch_ep->ep);
 		destroy_sch_ep(udev, sch_bw, sch_ep);
 	}
 
 	xhci_reset_bandwidth(hcd, udev);
 }
-EXPORT_SYMBOL_GPL(xhci_mtk_reset_bandwidth);
+
+int xhci_mtk_add_ep(struct usb_hcd *hcd, struct usb_device *udev,
+		    struct usb_host_endpoint *ep)
+{
+	int ret;
+
+	ret = xhci_add_endpoint(hcd, udev, ep);
+	if (ret)
+		return ret;
+
+	if (ep->hcpriv)
+		ret = add_ep_quirk(hcd, udev, ep);
+
+	return ret;
+}
+
+int xhci_mtk_drop_ep(struct usb_hcd *hcd, struct usb_device *udev,
+		     struct usb_host_endpoint *ep)
+{
+	int ret;
+
+	ret = xhci_drop_endpoint(hcd, udev, ep);
+	if (ret)
+		return ret;
+
+	if (ep->hcpriv)
+		drop_ep_quirk(hcd, udev, ep);
+
+	return 0;
+}
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 122777b2..d47bc55 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -344,15 +344,6 @@
 		usb_wakeup_ip_sleep_set(mtk, enable);
 }
 
-static int xhci_mtk_setup(struct usb_hcd *hcd);
-static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = {
-	.reset = xhci_mtk_setup,
-	.check_bandwidth = xhci_mtk_check_bandwidth,
-	.reset_bandwidth = xhci_mtk_reset_bandwidth,
-};
-
-static struct hc_driver __read_mostly xhci_mtk_hc_driver;
-
 static int xhci_mtk_ldos_enable(struct xhci_hcd_mtk *mtk)
 {
 	int ret;
@@ -433,6 +424,16 @@
 	return ret;
 }
 
+static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = {
+	.reset = xhci_mtk_setup,
+	.add_endpoint = xhci_mtk_add_ep,
+	.drop_endpoint = xhci_mtk_drop_ep,
+	.check_bandwidth = xhci_mtk_check_bandwidth,
+	.reset_bandwidth = xhci_mtk_reset_bandwidth,
+};
+
+static struct hc_driver __read_mostly xhci_mtk_hc_driver;
+
 static int xhci_mtk_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index 3e2c607..607dbe4 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -22,14 +22,10 @@
 /**
  * @fs_bus_bw: array to keep track of bandwidth already used for FS
  * @ep_list: Endpoints using this TT
- * @usb_tt: usb TT related
- * @tt_port: TT port number
  */
 struct mu3h_sch_tt {
 	u32 fs_bus_bw[XHCI_MTK_MAX_ESIT];
 	struct list_head ep_list;
-	struct usb_tt *usb_tt;
-	int tt_port;
 };
 
 /**
@@ -86,7 +82,8 @@
 	struct mu3h_sch_tt *sch_tt;
 	u32 ep_type;
 	u32 maxpkt;
-	void *ep;
+	struct usb_host_endpoint *ep;
+	enum usb_device_speed speed;
 	bool allocated;
 	/*
 	 * mtk xHCI scheduling information put into reserved DWs
@@ -163,38 +160,13 @@
 	return dev_get_drvdata(hcd->self.controller);
 }
 
-#if IS_ENABLED(CONFIG_USB_XHCI_MTK)
 int xhci_mtk_sch_init(struct xhci_hcd_mtk *mtk);
 void xhci_mtk_sch_exit(struct xhci_hcd_mtk *mtk);
-int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
-		struct usb_host_endpoint *ep);
-void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
-		struct usb_host_endpoint *ep);
+int xhci_mtk_add_ep(struct usb_hcd *hcd, struct usb_device *udev,
+		    struct usb_host_endpoint *ep);
+int xhci_mtk_drop_ep(struct usb_hcd *hcd, struct usb_device *udev,
+		     struct usb_host_endpoint *ep);
 int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 
-#else
-static inline int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd,
-	struct usb_device *udev, struct usb_host_endpoint *ep)
-{
-	return 0;
-}
-
-static inline void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd,
-	struct usb_device *udev, struct usb_host_endpoint *ep)
-{
-}
-
-static inline int xhci_mtk_check_bandwidth(struct usb_hcd *hcd,
-		struct usb_device *udev)
-{
-	return 0;
-}
-
-static inline void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd,
-		struct usb_device *udev)
-{
-}
-#endif
-
 #endif		/* _XHCI_MTK_H_ */
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 53f8327..109dbc8 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -77,12 +77,9 @@
 static struct hc_driver __read_mostly xhci_pci_hc_driver;
 
 static int xhci_pci_setup(struct usb_hcd *hcd);
-static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
-				      struct usb_tt *tt, gfp_t mem_flags);
 
 static const struct xhci_driver_overrides xhci_pci_overrides __initconst = {
 	.reset = xhci_pci_setup,
-	.update_hub_device = xhci_pci_update_hub_device,
 };
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -363,38 +360,8 @@
 				NULL);
 	ACPI_FREE(obj);
 }
-
-static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev)
-{
-	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
-	struct xhci_hub *rhub = &xhci->usb3_rhub;
-	int ret;
-	int i;
-
-	/* This is not the usb3 roothub we are looking for */
-	if (hcd != rhub->hcd)
-		return;
-
-	if (hdev->maxchild > rhub->num_ports) {
-		dev_err(&hdev->dev, "USB3 roothub port number mismatch\n");
-		return;
-	}
-
-	for (i = 0; i < hdev->maxchild; i++) {
-		ret = usb_acpi_port_lpm_incapable(hdev, i);
-
-		dev_dbg(&hdev->dev, "port-%d disable U1/U2 _DSM: %d\n", i + 1, ret);
-
-		if (ret >= 0) {
-			rhub->ports[i]->lpm_incapable = ret;
-			continue;
-		}
-	}
-}
-
 #else
 static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
-static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev) { }
 #endif /* CONFIG_ACPI */
 
 /* called during probe() after chip reset completes */
@@ -427,16 +394,6 @@
 	return xhci_pci_reinit(xhci, pdev);
 }
 
-static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
-				      struct usb_tt *tt, gfp_t mem_flags)
-{
-	/* Check if acpi claims some USB3 roothub ports are lpm incapable */
-	if (!hdev->parent)
-		xhci_find_lpm_incapable_ports(hcd, hdev);
-
-	return xhci_update_hub_device(hcd, hdev, tt, mem_flags);
-}
-
 /*
  * We need to register our own PCI probe function (instead of the USB core's
  * function) in order to create a second roothub under xHCI.
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index e56a1fb..0b72b577 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -184,6 +184,41 @@
 MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
 #endif
 
+static struct xhci_plat_priv_overwrite xhci_plat_vendor_overwrite;
+
+int xhci_plat_register_vendor_ops(struct xhci_vendor_ops *vendor_ops)
+{
+	if (vendor_ops == NULL)
+		return -EINVAL;
+
+	xhci_plat_vendor_overwrite.vendor_ops = vendor_ops;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(xhci_plat_register_vendor_ops);
+
+static int xhci_vendor_init(struct xhci_hcd *xhci)
+{
+	struct xhci_vendor_ops *ops = NULL;
+
+	if (xhci_plat_vendor_overwrite.vendor_ops)
+		ops = xhci->vendor_ops = xhci_plat_vendor_overwrite.vendor_ops;
+
+	if (ops && ops->vendor_init)
+		return ops->vendor_init(xhci);
+	return 0;
+}
+
+static void xhci_vendor_cleanup(struct xhci_hcd *xhci)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->vendor_cleanup)
+		ops->vendor_cleanup(xhci);
+
+	xhci->vendor_ops = NULL;
+}
+
 static int xhci_plat_probe(struct platform_device *pdev)
 {
 	const struct xhci_plat_priv *priv_match;
@@ -339,6 +374,10 @@
 			goto put_usb3_hcd;
 	}
 
+	ret = xhci_vendor_init(xhci);
+	if (ret)
+		goto disable_usb_phy;
+
 	hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
 	xhci->shared_hcd->tpl_support = hcd->tpl_support;
 
@@ -418,8 +457,10 @@
 	usb_phy_shutdown(hcd->usb_phy);
 
 	usb_remove_hcd(hcd);
-	usb_put_hcd(shared_hcd);
 
+	xhci_vendor_cleanup(xhci);
+
+	usb_put_hcd(shared_hcd);
 	clk_disable_unprepare(clk);
 	clk_disable_unprepare(reg_clk);
 	usb_put_hcd(hcd);
diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h
index 561d0b7..e726a57 100644
--- a/drivers/usb/host/xhci-plat.h
+++ b/drivers/usb/host/xhci-plat.h
@@ -13,6 +13,7 @@
 struct xhci_plat_priv {
 	const char *firmware_name;
 	unsigned long long quirks;
+	struct xhci_vendor_data *vendor_data;
 	int (*plat_setup)(struct usb_hcd *);
 	void (*plat_start)(struct usb_hcd *);
 	int (*init_quirk)(struct usb_hcd *);
@@ -22,4 +23,11 @@
 
 #define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv)
 #define xhci_to_priv(x) ((struct xhci_plat_priv *)(x)->priv)
+
+struct xhci_plat_priv_overwrite {
+	struct xhci_vendor_ops *vendor_ops;
+};
+
+int xhci_plat_register_vendor_ops(struct xhci_vendor_ops *vendor_ops);
+
 #endif	/* _XHCI_PLAT_H */
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index eb70f07..45fc948 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -57,7 +57,10 @@
 #include <linux/dma-mapping.h>
 #include "xhci.h"
 #include "xhci-trace.h"
-#include "xhci-mtk.h"
+
+static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd,
+			 u32 field1, u32 field2,
+			 u32 field3, u32 field4, bool command_must_succeed);
 
 /*
  * Returns zero if the TRB isn't in this segment, otherwise it returns the DMA
@@ -151,10 +154,11 @@
 
 /*
  * See Cycle bit rules. SW is the consumer for the event ring only.
- * Don't make a ring full of link TRBs.  That would be dumb and this would loop.
  */
 void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
 {
+	unsigned int link_trb_count = 0;
+
 	/* event ring doesn't have link trbs, check for last trb */
 	if (ring->type == TYPE_EVENT) {
 		if (!last_trb_on_seg(ring->deq_seg, ring->dequeue)) {
@@ -170,14 +174,23 @@
 
 	/* All other rings have link trbs */
 	if (!trb_is_link(ring->dequeue)) {
-		ring->dequeue++;
-		ring->num_trbs_free++;
+		if (last_trb_on_seg(ring->deq_seg, ring->dequeue)) {
+			xhci_warn(xhci, "Missing link TRB at end of segment\n");
+		} else {
+			ring->dequeue++;
+			ring->num_trbs_free++;
+		}
 	}
+
 	while (trb_is_link(ring->dequeue)) {
 		ring->deq_seg = ring->deq_seg->next;
 		ring->dequeue = ring->deq_seg->trbs;
-	}
 
+		if (link_trb_count++ > ring->num_segs) {
+			xhci_warn(xhci, "Ring is an endless link TRB loop\n");
+			break;
+		}
+	}
 out:
 	trace_xhci_inc_deq(ring);
 
@@ -186,7 +199,6 @@
 
 /*
  * See Cycle bit rules. SW is the consumer for the event ring only.
- * Don't make a ring full of link TRBs.  That would be dumb and this would loop.
  *
  * If we've just enqueued a TRB that is in the middle of a TD (meaning the
  * chain bit is set), then set the chain bit in all the following link TRBs.
@@ -206,11 +218,18 @@
 {
 	u32 chain;
 	union xhci_trb *next;
+	unsigned int link_trb_count = 0;
 
 	chain = le32_to_cpu(ring->enqueue->generic.field[3]) & TRB_CHAIN;
 	/* If this is not event ring, there is one less usable TRB */
 	if (!trb_is_link(ring->enqueue))
 		ring->num_trbs_free--;
+
+	if (last_trb_on_seg(ring->enq_seg, ring->enqueue)) {
+		xhci_err(xhci, "Tried to move enqueue past ring segment\n");
+		return;
+	}
+
 	next = ++(ring->enqueue);
 
 	/* Update the dequeue pointer further if that was a link TRB */
@@ -247,11 +266,36 @@
 		ring->enq_seg = ring->enq_seg->next;
 		ring->enqueue = ring->enq_seg->trbs;
 		next = ring->enqueue;
+
+		if (link_trb_count++ > ring->num_segs) {
+			xhci_warn(xhci, "%s: Ring link TRB loop\n", __func__);
+			break;
+		}
 	}
 
 	trace_xhci_inc_enq(ring);
 }
 
+static int xhci_num_trbs_to(struct xhci_segment *start_seg, union xhci_trb *start,
+			    struct xhci_segment *end_seg, union xhci_trb *end,
+			    unsigned int num_segs)
+{
+	union xhci_trb *last_on_seg;
+	int num = 0;
+	int i = 0;
+
+	do {
+		if (start_seg == end_seg && end >= start)
+			return num + (end - start);
+		last_on_seg = &start_seg->trbs[TRBS_PER_SEGMENT - 1];
+		num += last_on_seg - start;
+		start_seg = start_seg->next;
+		start = start_seg->trbs;
+	} while (i++ <= num_segs);
+
+	return -EINVAL;
+}
+
 /*
  * Check to see if there's room to enqueue num_trbs on the ring and make sure
  * enqueue pointer will not advance into dequeue segment. See rules above.
@@ -421,9 +465,8 @@
 	trace_xhci_ring_ep_doorbell(slot_id, DB_VALUE(ep_index, stream_id));
 
 	writel(DB_VALUE(ep_index, stream_id), db_addr);
-	/* The CPU has better things to do at this point than wait for a
-	 * write-posting flush.  It'll get there soon enough.
-	 */
+	/* flush the write */
+	readl(db_addr);
 }
 
 /* Ring the doorbell for any rings with pending URBs */
@@ -479,6 +522,26 @@
 	return &xhci->devs[slot_id]->eps[ep_index];
 }
 
+static struct xhci_ring *xhci_virt_ep_to_ring(struct xhci_hcd *xhci,
+					      struct xhci_virt_ep *ep,
+					      unsigned int stream_id)
+{
+	/* common case, no streams */
+	if (!(ep->ep_state & EP_HAS_STREAMS))
+		return ep->ring;
+
+	if (!ep->stream_info)
+		return NULL;
+
+	if (stream_id == 0 || stream_id >= ep->stream_info->num_streams) {
+		xhci_warn(xhci, "Invalid stream_id %u request for slot_id %u ep_index %u\n",
+			  stream_id, ep->vdev->slot_id, ep->ep_index);
+		return NULL;
+	}
+
+	return ep->stream_info->stream_rings[stream_id];
+}
+
 /* Get the right ring for the given slot_id, ep_index and stream_id.
  * If the endpoint supports streams, boundary check the URB's stream ID.
  * If the endpoint doesn't support streams, return the singular endpoint ring.
@@ -493,29 +556,7 @@
 	if (!ep)
 		return NULL;
 
-	/* Common case: no streams */
-	if (!(ep->ep_state & EP_HAS_STREAMS))
-		return ep->ring;
-
-	if (stream_id == 0) {
-		xhci_warn(xhci,
-				"WARN: Slot ID %u, ep index %u has streams, "
-				"but URB has no stream ID.\n",
-				slot_id, ep_index);
-		return NULL;
-	}
-
-	if (stream_id < ep->stream_info->num_streams)
-		return ep->stream_info->stream_rings[stream_id];
-
-	xhci_warn(xhci,
-			"WARN: Slot ID %u, ep index %u has "
-			"stream IDs 1 to %u allocated, "
-			"but stream ID %u is requested.\n",
-			slot_id, ep_index,
-			ep->stream_info->num_streams - 1,
-			stream_id);
-	return NULL;
+	return xhci_virt_ep_to_ring(xhci, ep, stream_id);
 }
 
 
@@ -542,71 +583,54 @@
 	return le64_to_cpu(ep_ctx->deq);
 }
 
-/*
- * Move the xHC's endpoint ring dequeue pointer past cur_td.
- * Record the new state of the xHC's endpoint ring dequeue segment,
- * dequeue pointer, stream id, and new consumer cycle state in state.
- * Update our internal representation of the ring's dequeue pointer.
- *
- * We do this in three jumps:
- *  - First we update our new ring state to be the same as when the xHC stopped.
- *  - Then we traverse the ring to find the segment that contains
- *    the last TRB in the TD.  We toggle the xHC's new cycle state when we pass
- *    any link TRBs with the toggle cycle bit set.
- *  - Finally we move the dequeue state one TRB further, toggling the cycle bit
- *    if we've moved it past a link TRB with the toggle cycle bit set.
- *
- * Some of the uses of xhci_generic_trb are grotty, but if they're done
- * with correct __le32 accesses they should work fine.  Only users of this are
- * in here.
- */
-void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
-		unsigned int slot_id, unsigned int ep_index,
-		unsigned int stream_id, struct xhci_td *cur_td,
-		struct xhci_dequeue_state *state)
+static int xhci_move_dequeue_past_td(struct xhci_hcd *xhci,
+				unsigned int slot_id, unsigned int ep_index,
+				unsigned int stream_id, struct xhci_td *td)
 {
 	struct xhci_virt_device *dev = xhci->devs[slot_id];
 	struct xhci_virt_ep *ep = &dev->eps[ep_index];
 	struct xhci_ring *ep_ring;
+	struct xhci_command *cmd;
 	struct xhci_segment *new_seg;
 	struct xhci_segment *halted_seg = NULL;
 	union xhci_trb *new_deq;
+	int new_cycle;
 	union xhci_trb *halted_trb;
 	int index = 0;
 	dma_addr_t addr;
 	u64 hw_dequeue;
 	bool cycle_found = false;
 	bool td_last_trb_found = false;
+	u32 trb_sct = 0;
+	int ret;
 
 	ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id,
 			ep_index, stream_id);
 	if (!ep_ring) {
-		xhci_warn(xhci, "WARN can't find new dequeue state "
-				"for invalid stream ID %u.\n",
-				stream_id);
-		return;
+		xhci_warn(xhci, "WARN can't find new dequeue, invalid stream ID %u\n",
+			  stream_id);
+		return -ENODEV;
 	}
 	/*
 	 * A cancelled TD can complete with a stall if HW cached the trb.
-	 * In this case driver can't find cur_td, but if the ring is empty we
+	 * In this case driver can't find td, but if the ring is empty we
 	 * can move the dequeue pointer to the current enqueue position.
+	 * We shouldn't hit this anymore as cached cancelled TRBs are given back
+	 * after clearing the cache, but be on the safe side and keep it anyway
 	 */
-	if (!cur_td) {
+	if (!td) {
 		if (list_empty(&ep_ring->td_list)) {
-			state->new_deq_seg = ep_ring->enq_seg;
-			state->new_deq_ptr = ep_ring->enqueue;
-			state->new_cycle_state = ep_ring->cycle_state;
-			goto done;
+			new_seg = ep_ring->enq_seg;
+			new_deq = ep_ring->enqueue;
+			new_cycle = ep_ring->cycle_state;
+			xhci_dbg(xhci, "ep ring empty, Set new dequeue = enqueue");
+			goto deq_found;
 		} else {
-			xhci_warn(xhci, "Can't find new dequeue state, missing cur_td\n");
-			return;
+			xhci_warn(xhci, "Can't find new dequeue state, missing td\n");
+			return -EINVAL;
 		}
 	}
 
-	/* Dig out the cycle state saved by the xHC during the stop ep cmd */
-	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-			"Finding endpoint context");
-
 	hw_dequeue = xhci_get_hw_deq(xhci, dev, ep_index, stream_id);
 	new_seg = ep_ring->deq_seg;
 	new_deq = ep_ring->dequeue;
@@ -618,21 +642,19 @@
 	 */
 	if (xhci->quirks & XHCI_EP_CTX_BROKEN_DCS &&
 	    !(ep->ep_state & EP_HAS_STREAMS))
-		halted_seg = trb_in_td(xhci, cur_td->start_seg,
-				       cur_td->first_trb, cur_td->last_trb,
+		halted_seg = trb_in_td(xhci, td->start_seg,
+				       td->first_trb, td->last_trb,
 				       hw_dequeue & ~0xf, false);
 	if (halted_seg) {
 		index = ((dma_addr_t)(hw_dequeue & ~0xf) - halted_seg->dma) /
 			 sizeof(*halted_trb);
 		halted_trb = &halted_seg->trbs[index];
-		state->new_cycle_state = halted_trb->generic.field[3] & 0x1;
+		new_cycle = halted_trb->generic.field[3] & 0x1;
 		xhci_dbg(xhci, "Endpoint DCS = %d TRB index = %d cycle = %d\n",
-			 (u8)(hw_dequeue & 0x1), index,
-			 state->new_cycle_state);
+			 (u8)(hw_dequeue & 0x1), index, new_cycle);
 	} else {
-		state->new_cycle_state = hw_dequeue & 0x1;
+		new_cycle = hw_dequeue & 0x1;
 	}
-	state->stream_id = stream_id;
 
 	/*
 	 * We want to find the pointer, segment and cycle state of the new trb
@@ -647,40 +669,71 @@
 			if (td_last_trb_found)
 				break;
 		}
-		if (new_deq == cur_td->last_trb)
+		if (new_deq == td->last_trb)
 			td_last_trb_found = true;
 
 		if (cycle_found && trb_is_link(new_deq) &&
 		    link_trb_toggles_cycle(new_deq))
-			state->new_cycle_state ^= 0x1;
+			new_cycle ^= 0x1;
 
 		next_trb(xhci, ep_ring, &new_seg, &new_deq);
 
 		/* Search wrapped around, bail out */
 		if (new_deq == ep->ring->dequeue) {
 			xhci_err(xhci, "Error: Failed finding new dequeue state\n");
-			state->new_deq_seg = NULL;
-			state->new_deq_ptr = NULL;
-			return;
+			return -EINVAL;
 		}
 
 	} while (!cycle_found || !td_last_trb_found);
 
-	state->new_deq_seg = new_seg;
-	state->new_deq_ptr = new_deq;
+deq_found:
 
-done:
 	/* Don't update the ring cycle state for the producer (us). */
-	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-			"Cycle state = 0x%x", state->new_cycle_state);
+	addr = xhci_trb_virt_to_dma(new_seg, new_deq);
+	if (addr == 0) {
+		xhci_warn(xhci, "Can't find dma of new dequeue ptr\n");
+		xhci_warn(xhci, "deq seg = %p, deq ptr = %p\n", new_seg, new_deq);
+		return -EINVAL;
+	}
+
+	if ((ep->ep_state & SET_DEQ_PENDING)) {
+		xhci_warn(xhci, "Set TR Deq already pending, don't submit for 0x%pad\n",
+			  &addr);
+		return -EBUSY;
+	}
+
+	/* This function gets called from contexts where it cannot sleep */
+	cmd = xhci_alloc_command(xhci, false, GFP_ATOMIC);
+	if (!cmd) {
+		xhci_warn(xhci, "Can't alloc Set TR Deq cmd 0x%pad\n", &addr);
+		return -ENOMEM;
+	}
+
+	if (stream_id)
+		trb_sct = SCT_FOR_TRB(SCT_PRI_TR);
+	ret = queue_command(xhci, cmd,
+		lower_32_bits(addr) | trb_sct | new_cycle,
+		upper_32_bits(addr),
+		STREAM_ID_FOR_TRB(stream_id), SLOT_ID_FOR_TRB(slot_id) |
+		EP_ID_FOR_TRB(ep_index) | TRB_TYPE(TRB_SET_DEQ), false);
+	if (ret < 0) {
+		xhci_free_command(xhci, cmd);
+		return ret;
+	}
+	ep->queued_deq_seg = new_seg;
+	ep->queued_deq_ptr = new_deq;
 
 	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-			"New dequeue segment = %p (virtual)",
-			state->new_deq_seg);
-	addr = xhci_trb_virt_to_dma(state->new_deq_seg, state->new_deq_ptr);
-	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-			"New dequeue pointer = 0x%llx (DMA)",
-			(unsigned long long) addr);
+		       "Set TR Deq ptr 0x%llx, cycle %u\n", addr, new_cycle);
+
+	/* Stop the TD queueing code from ringing the doorbell until
+	 * this command completes.  The HC won't set the dequeue pointer
+	 * if the ring is running, and ringing the doorbell starts the
+	 * ring running.
+	 */
+	ep->ep_state |= SET_DEQ_PENDING;
+	xhci_ring_cmd_db(xhci);
+	return 0;
 }
 
 /* flip_cycle means flip the cycle bit of all but the first and last TRB.
@@ -795,8 +848,10 @@
 		urb->actual_length = 0;
 		status = 0;
 	}
-	list_del_init(&td->td_list);
-	/* Was this TD slated to be cancelled but completed anyway? */
+	/* TD might be removed from td_list if we are giving back a cancelled URB */
+	if (!list_empty(&td->td_list))
+		list_del_init(&td->td_list);
+	/* Giving back a cancelled URB, or if a slated TD completed anyway */
 	if (!list_empty(&td->cancelled_td_list))
 		list_del_init(&td->cancelled_td_list);
 
@@ -819,6 +874,26 @@
 	return 0;
 }
 
+
+/* Complete the cancelled URBs we unlinked from td_list. */
+static void xhci_giveback_invalidated_tds(struct xhci_virt_ep *ep)
+{
+	struct xhci_ring *ring;
+	struct xhci_td *td, *tmp_td;
+
+	list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list,
+				 cancelled_td_list) {
+
+		ring = xhci_urb_to_transfer_ring(ep->xhci, td->urb);
+
+		if (td->cancel_status == TD_CLEARED)
+			xhci_td_cleanup(ep->xhci, td, ring, td->status);
+
+		if (ep->xhci->xhc_state & XHCI_STATE_DYING)
+			return;
+	}
+}
+
 static int xhci_reset_halted_ep(struct xhci_hcd *xhci, unsigned int slot_id,
 				unsigned int ep_index, enum xhci_ep_reset_type reset_type)
 {
@@ -839,7 +914,7 @@
 	return ret;
 }
 
-static void xhci_handle_halted_endpoint(struct xhci_hcd *xhci,
+static int xhci_handle_halted_endpoint(struct xhci_hcd *xhci,
 				struct xhci_virt_ep *ep, unsigned int stream_id,
 				struct xhci_td *td,
 				enum xhci_ep_reset_type reset_type)
@@ -852,20 +927,31 @@
 	 * Device will be reset soon to recover the link so don't do anything
 	 */
 	if (ep->vdev->flags & VDEV_PORT_ERROR)
-		return;
+		return -ENODEV;
 
-	ep->ep_state |= EP_HALTED;
+	/* add td to cancelled list and let reset ep handler take care of it */
+	if (reset_type == EP_HARD_RESET) {
+		ep->ep_state |= EP_HARD_CLEAR_TOGGLE;
+		if (td && list_empty(&td->cancelled_td_list)) {
+			list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list);
+			td->cancel_status = TD_HALTED;
+		}
+	}
+
+	if (ep->ep_state & EP_HALTED) {
+		xhci_dbg(xhci, "Reset ep command already pending\n");
+		return 0;
+	}
 
 	err = xhci_reset_halted_ep(xhci, slot_id, ep->ep_index, reset_type);
 	if (err)
-		return;
+		return err;
 
-	if (reset_type == EP_HARD_RESET) {
-		ep->ep_state |= EP_HARD_CLEAR_TOGGLE;
-		xhci_cleanup_stalled_ring(xhci, slot_id, ep->ep_index, stream_id,
-					  td);
-	}
+	ep->ep_state |= EP_HALTED;
+
 	xhci_ring_cmd_db(xhci);
+
+	return 0;
 }
 
 /*
@@ -873,16 +959,20 @@
  * We have the xHCI lock, so nothing can modify this list until we drop it.
  * We're also in the event handler, so we can't get re-interrupted if another
  * Stop Endpoint command completes.
+ *
+ * only call this when ring is not in a running state
  */
 
-static int xhci_invalidate_cancelled_tds(struct xhci_virt_ep *ep,
-					 struct xhci_dequeue_state *deq_state)
+static int xhci_invalidate_cancelled_tds(struct xhci_virt_ep *ep)
 {
 	struct xhci_hcd		*xhci;
 	struct xhci_td		*td = NULL;
 	struct xhci_td		*tmp_td = NULL;
+	struct xhci_td		*cached_td = NULL;
 	struct xhci_ring	*ring;
 	u64			hw_deq;
+	unsigned int		slot_id = ep->vdev->slot_id;
+	int			err;
 
 	xhci = ep->xhci;
 
@@ -899,28 +989,81 @@
 			continue;
 		}
 		/*
-		 * If ring stopped on the TD we need to cancel, then we have to
+		 * If a ring stopped on the TD we need to cancel then we have to
 		 * move the xHC endpoint ring dequeue pointer past this TD.
+		 * Rings halted due to STALL may show hw_deq is past the stalled
+		 * TD, but still require a set TR Deq command to flush xHC cache.
 		 */
 		hw_deq = xhci_get_hw_deq(xhci, ep->vdev, ep->ep_index,
 					 td->urb->stream_id);
 		hw_deq &= ~0xf;
 
-		if (trb_in_td(xhci, td->start_seg, td->first_trb,
-			      td->last_trb, hw_deq, false)) {
-			xhci_find_new_dequeue_state(xhci, ep->vdev->slot_id,
-						    ep->ep_index,
-						    td->urb->stream_id,
-						    td, deq_state);
+		if (td->cancel_status == TD_HALTED ||
+		    trb_in_td(xhci, td->start_seg, td->first_trb, td->last_trb, hw_deq, false)) {
+			switch (td->cancel_status) {
+			case TD_CLEARED: /* TD is already no-op */
+			case TD_CLEARING_CACHE: /* set TR deq command already queued */
+				break;
+			case TD_DIRTY: /* TD is cached, clear it */
+			case TD_HALTED:
+				td->cancel_status = TD_CLEARING_CACHE;
+				if (cached_td)
+					/* FIXME  stream case, several stopped rings */
+					xhci_dbg(xhci,
+						 "Move dq past stream %u URB %p instead of stream %u URB %p\n",
+						 td->urb->stream_id, td->urb,
+						 cached_td->urb->stream_id, cached_td->urb);
+				cached_td = td;
+				break;
+			}
 		} else {
 			td_to_noop(xhci, ring, td, false);
+			td->cancel_status = TD_CLEARED;
 		}
+	}
 
+	/* If there's no need to move the dequeue pointer then we're done */
+	if (!cached_td)
+		return 0;
+
+	err = xhci_move_dequeue_past_td(xhci, slot_id, ep->ep_index,
+					cached_td->urb->stream_id,
+					cached_td);
+	if (err) {
+		/* Failed to move past cached td, just set cached TDs to no-op */
+		list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list, cancelled_td_list) {
+			if (td->cancel_status != TD_CLEARING_CACHE)
+				continue;
+			xhci_dbg(xhci, "Failed to clear cancelled cached URB %p, mark clear anyway\n",
+				 td->urb);
+			td_to_noop(xhci, ring, td, false);
+			td->cancel_status = TD_CLEARED;
+		}
 	}
 	return 0;
 }
 
 /*
+ * Returns the TD the endpoint ring halted on.
+ * Only call for non-running rings without streams.
+ */
+static struct xhci_td *find_halted_td(struct xhci_virt_ep *ep)
+{
+	struct xhci_td	*td;
+	u64		hw_deq;
+
+	if (!list_empty(&ep->ring->td_list)) { /* Not streams compatible */
+		hw_deq = xhci_get_hw_deq(ep->xhci, ep->vdev, ep->ep_index, 0);
+		hw_deq &= ~0xf;
+		td = list_first_entry(&ep->ring->td_list, struct xhci_td, td_list);
+		if (trb_in_td(ep->xhci, td->start_seg, td->first_trb,
+				td->last_trb, hw_deq, false))
+			return td;
+	}
+	return NULL;
+}
+
+/*
  * When we get a command completion for a Stop Endpoint Command, we need to
  * unlink any cancelled TDs from the ring.  There are two ways to do that:
  *
@@ -931,88 +1074,88 @@
  *     bit cleared) so that the HW will skip over them.
  */
 static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id,
-		union xhci_trb *trb, struct xhci_event_cmd *event)
+				    union xhci_trb *trb, u32 comp_code)
 {
 	unsigned int ep_index;
-	struct xhci_ring *ep_ring;
 	struct xhci_virt_ep *ep;
-	struct xhci_td *cur_td = NULL;
-	struct xhci_td *last_unlinked_td;
 	struct xhci_ep_ctx *ep_ctx;
-	struct xhci_virt_device *vdev;
-	struct xhci_dequeue_state deq_state;
+	struct xhci_td *td = NULL;
+	enum xhci_ep_reset_type reset_type;
+	struct xhci_command *command;
+	int err;
 
 	if (unlikely(TRB_TO_SUSPEND_PORT(le32_to_cpu(trb->generic.field[3])))) {
 		if (!xhci->devs[slot_id])
-			xhci_warn(xhci, "Stop endpoint command "
-				"completion for disabled slot %u\n",
-				slot_id);
+			xhci_warn(xhci, "Stop endpoint command completion for disabled slot %u\n",
+				  slot_id);
 		return;
 	}
 
-	memset(&deq_state, 0, sizeof(deq_state));
 	ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3]));
-
 	ep = xhci_get_virt_ep(xhci, slot_id, ep_index);
 	if (!ep)
 		return;
 
-	vdev = xhci->devs[slot_id];
-	ep_ctx = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index);
+	ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
+
 	trace_xhci_handle_cmd_stop_ep(ep_ctx);
 
-	last_unlinked_td = list_last_entry(&ep->cancelled_td_list,
-			struct xhci_td, cancelled_td_list);
+	if (comp_code == COMP_CONTEXT_STATE_ERROR) {
+	/*
+	 * If stop endpoint command raced with a halting endpoint we need to
+	 * reset the host side endpoint first.
+	 * If the TD we halted on isn't cancelled the TD should be given back
+	 * with a proper error code, and the ring dequeue moved past the TD.
+	 * If streams case we can't find hw_deq, or the TD we halted on so do a
+	 * soft reset.
+	 *
+	 * Proper error code is unknown here, it would be -EPIPE if device side
+	 * of enadpoit halted (aka STALL), and -EPROTO if not (transaction error)
+	 * We use -EPROTO, if device is stalled it should return a stall error on
+	 * next transfer, which then will return -EPIPE, and device side stall is
+	 * noted and cleared by class driver.
+	 */
+		switch (GET_EP_CTX_STATE(ep_ctx)) {
+		case EP_STATE_HALTED:
+			xhci_dbg(xhci, "Stop ep completion raced with stall, reset ep\n");
+			if (ep->ep_state & EP_HAS_STREAMS) {
+				reset_type = EP_SOFT_RESET;
+			} else {
+				reset_type = EP_HARD_RESET;
+				td = find_halted_td(ep);
+				if (td)
+					td->status = -EPROTO;
+			}
+			/* reset ep, reset handler cleans up cancelled tds */
+			err = xhci_handle_halted_endpoint(xhci, ep, 0, td,
+							  reset_type);
+			if (err)
+				break;
+			xhci_stop_watchdog_timer_in_irq(xhci, ep);
+			return;
+		case EP_STATE_RUNNING:
+			/* Race, HW handled stop ep cmd before ep was running */
+			command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
+			if (!command)
+				xhci_stop_watchdog_timer_in_irq(xhci, ep);
 
-	if (list_empty(&ep->cancelled_td_list)) {
-		xhci_stop_watchdog_timer_in_irq(xhci, ep);
-		ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
-		return;
+			mod_timer(&ep->stop_cmd_timer,
+				  jiffies + XHCI_STOP_EP_CMD_TIMEOUT * HZ);
+			xhci_queue_stop_endpoint(xhci, command, slot_id, ep_index, 0);
+			xhci_ring_cmd_db(xhci);
+
+			return;
+		default:
+			break;
+		}
 	}
-
-	xhci_invalidate_cancelled_tds(ep, &deq_state);
-
+	/* will queue a set TR deq if stopped on a cancelled, uncleared TD */
+	xhci_invalidate_cancelled_tds(ep);
 	xhci_stop_watchdog_timer_in_irq(xhci, ep);
 
-	/* If necessary, queue a Set Transfer Ring Dequeue Pointer command */
-	if (deq_state.new_deq_ptr && deq_state.new_deq_seg) {
-		xhci_queue_new_dequeue_state(xhci, slot_id, ep_index,
-					     &deq_state);
-		xhci_ring_cmd_db(xhci);
-	} else {
-		/* Otherwise ring the doorbell(s) to restart queued transfers */
-		ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
-	}
-
-	/*
-	 * Drop the lock and complete the URBs in the cancelled TD list.
-	 * New TDs to be cancelled might be added to the end of the list before
-	 * we can complete all the URBs for the TDs we already unlinked.
-	 * So stop when we've completed the URB for the last TD we unlinked.
-	 */
-	do {
-		cur_td = list_first_entry(&ep->cancelled_td_list,
-				struct xhci_td, cancelled_td_list);
-		list_del_init(&cur_td->cancelled_td_list);
-
-		/* Clean up the cancelled URB */
-		/* Doesn't matter what we pass for status, since the core will
-		 * just overwrite it (because the URB has been unlinked).
-		 */
-		ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb);
-		xhci_unmap_td_bounce_buffer(xhci, ep_ring, cur_td);
-		inc_td_cnt(cur_td->urb);
-		if (last_td_in_urb(cur_td))
-			xhci_giveback_urb_in_irq(xhci, cur_td, 0);
-
-		/* Stop processing the cancelled list if the watchdog timer is
-		 * running.
-		 */
-		if (xhci->xhc_state & XHCI_STATE_DYING)
-			return;
-	} while (cur_td != last_unlinked_td);
-
-	/* Return to the event handler with xhci->lock re-acquired */
+	/* Otherwise ring the doorbell(s) to restart queued transfers */
+	xhci_giveback_invalidated_tds(ep);
+	ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
 }
 
 static void xhci_kill_ring_urbs(struct xhci_hcd *xhci, struct xhci_ring *ring)
@@ -1229,10 +1372,10 @@
 	unsigned int ep_index;
 	unsigned int stream_id;
 	struct xhci_ring *ep_ring;
-	struct xhci_virt_device *dev;
 	struct xhci_virt_ep *ep;
 	struct xhci_ep_ctx *ep_ctx;
 	struct xhci_slot_ctx *slot_ctx;
+	struct xhci_td *td, *tmp_td;
 
 	ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3]));
 	stream_id = TRB_TO_STREAM_ID(le32_to_cpu(trb->generic.field[2]));
@@ -1240,8 +1383,7 @@
 	if (!ep)
 		return;
 
-	dev = xhci->devs[slot_id];
-	ep_ring = xhci_stream_id_to_ring(dev, ep_index, stream_id);
+	ep_ring = xhci_virt_ep_to_ring(xhci, ep, stream_id);
 	if (!ep_ring) {
 		xhci_warn(xhci, "WARN Set TR deq ptr command for freed stream ID %u\n",
 				stream_id);
@@ -1249,8 +1391,8 @@
 		goto cleanup;
 	}
 
-	ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
-	slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx);
+	ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
+	slot_ctx = xhci_get_slot_ctx(xhci, ep->vdev->out_ctx);
 	trace_xhci_handle_cmd_set_deq(slot_ctx);
 	trace_xhci_handle_cmd_set_deq_ep(ep_ctx);
 
@@ -1303,7 +1445,7 @@
 			/* Update the ring's dequeue segment and dequeue pointer
 			 * to reflect the new position.
 			 */
-			update_ring_for_set_deq_completion(xhci, dev,
+			update_ring_for_set_deq_completion(xhci, ep->vdev,
 				ep_ring, ep_index);
 		} else {
 			xhci_warn(xhci, "Mismatch between completed Set TR Deq Ptr command & xHCI internal state.\n");
@@ -1311,7 +1453,15 @@
 				  ep->queued_deq_seg, ep->queued_deq_ptr);
 		}
 	}
-
+	/* HW cached TDs cleared from cache, give them back */
+	list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list,
+				 cancelled_td_list) {
+		ep_ring = xhci_urb_to_transfer_ring(ep->xhci, td->urb);
+		if (td->cancel_status == TD_CLEARING_CACHE) {
+			td->cancel_status = TD_CLEARED;
+			xhci_td_cleanup(ep->xhci, td, ep_ring, td->status);
+		}
+	}
 cleanup:
 	ep->ep_state &= ~SET_DEQ_PENDING;
 	ep->queued_deq_seg = NULL;
@@ -1323,7 +1473,6 @@
 static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
 		union xhci_trb *trb, u32 cmd_comp_code)
 {
-	struct xhci_virt_device *vdev;
 	struct xhci_virt_ep *ep;
 	struct xhci_ep_ctx *ep_ctx;
 	unsigned int ep_index;
@@ -1333,8 +1482,7 @@
 	if (!ep)
 		return;
 
-	vdev = xhci->devs[slot_id];
-	ep_ctx = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index);
+	ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
 	trace_xhci_handle_cmd_reset_ep(ep_ctx);
 
 	/* This command will only fail if the endpoint wasn't halted,
@@ -1343,27 +1491,15 @@
 	xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
 		"Ignoring reset ep completion code of %u", cmd_comp_code);
 
-	/* HW with the reset endpoint quirk needs to have a configure endpoint
-	 * command complete before the endpoint can be used.  Queue that here
-	 * because the HW can't handle two commands being queued in a row.
-	 */
-	if (xhci->quirks & XHCI_RESET_EP_QUIRK) {
-		struct xhci_command *command;
+	/* Cleanup cancelled TDs as ep is stopped. May queue a Set TR Deq cmd */
+	xhci_invalidate_cancelled_tds(ep);
 
-		command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
-		if (!command)
-			return;
+	if (xhci->quirks & XHCI_RESET_EP_QUIRK)
+		xhci_dbg(xhci, "Note: Removed workaround to queue config ep for this hw");
+	/* Clear our internal halted state */
+	ep->ep_state &= ~EP_HALTED;
 
-		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
-				"Queueing configure endpoint command");
-		xhci_queue_configure_endpoint(xhci, command,
-				xhci->devs[slot_id]->in_ctx->dma, slot_id,
-				false);
-		xhci_ring_cmd_db(xhci);
-	} else {
-		/* Clear our internal halted state */
-		ep->ep_state &= ~EP_HALTED;
-	}
+	xhci_giveback_invalidated_tds(ep);
 
 	/* if this was a soft reset, then restart */
 	if ((le32_to_cpu(trb->generic.field[3])) & TRB_TSP)
@@ -1397,7 +1533,7 @@
 }
 
 static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id,
-		struct xhci_event_cmd *event, u32 cmd_comp_code)
+		u32 cmd_comp_code)
 {
 	struct xhci_virt_device *virt_dev;
 	struct xhci_input_control_ctx *ctrl_ctx;
@@ -1415,6 +1551,8 @@
 	 * is not waiting on the configure endpoint command.
 	 */
 	virt_dev = xhci->devs[slot_id];
+	if (!virt_dev)
+		return;
 	ctrl_ctx = xhci_get_input_control_ctx(virt_dev->in_ctx);
 	if (!ctrl_ctx) {
 		xhci_warn(xhci, "Could not get input context, bad type.\n");
@@ -1459,24 +1597,27 @@
 	struct xhci_slot_ctx *slot_ctx;
 
 	vdev = xhci->devs[slot_id];
+	if (!vdev)
+		return;
 	slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx);
 	trace_xhci_handle_cmd_addr_dev(slot_ctx);
 }
 
-static void xhci_handle_cmd_reset_dev(struct xhci_hcd *xhci, int slot_id,
-		struct xhci_event_cmd *event)
+static void xhci_handle_cmd_reset_dev(struct xhci_hcd *xhci, int slot_id)
 {
 	struct xhci_virt_device *vdev;
 	struct xhci_slot_ctx *slot_ctx;
 
 	vdev = xhci->devs[slot_id];
+	if (!vdev) {
+		xhci_warn(xhci, "Reset device command completion for disabled slot %u\n",
+			  slot_id);
+		return;
+	}
 	slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx);
 	trace_xhci_handle_cmd_reset_dev(slot_ctx);
 
 	xhci_dbg(xhci, "Completed reset device command.\n");
-	if (!xhci->devs[slot_id])
-		xhci_warn(xhci, "Reset device command completion "
-				"for disabled slot %u\n", slot_id);
 }
 
 static void xhci_handle_cmd_nec_get_fw(struct xhci_hcd *xhci,
@@ -1569,7 +1710,7 @@
 static void handle_cmd_completion(struct xhci_hcd *xhci,
 		struct xhci_event_cmd *event)
 {
-	int slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
+	unsigned int slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
 	u64 cmd_dma;
 	dma_addr_t cmd_dequeue_dma;
 	u32 cmd_comp_code;
@@ -1577,6 +1718,11 @@
 	struct xhci_command *cmd;
 	u32 cmd_type;
 
+	if (slot_id >= MAX_HC_SLOTS) {
+		xhci_warn(xhci, "Invalid slot_id %u\n", slot_id);
+		return;
+	}
+
 	cmd_dma = le64_to_cpu(event->cmd_trb);
 	cmd_trb = xhci->cmd_ring->dequeue;
 
@@ -1637,8 +1783,7 @@
 		break;
 	case TRB_CONFIG_EP:
 		if (!cmd->completion)
-			xhci_handle_cmd_config_ep(xhci, slot_id, event,
-						  cmd_comp_code);
+			xhci_handle_cmd_config_ep(xhci, slot_id, cmd_comp_code);
 		break;
 	case TRB_EVAL_CONTEXT:
 		break;
@@ -1649,7 +1794,8 @@
 		WARN_ON(slot_id != TRB_TO_SLOT_ID(
 				le32_to_cpu(cmd_trb->generic.field[3])));
 		if (!cmd->completion)
-			xhci_handle_cmd_stop_ep(xhci, slot_id, cmd_trb, event);
+			xhci_handle_cmd_stop_ep(xhci, slot_id, cmd_trb,
+						cmd_comp_code);
 		break;
 	case TRB_SET_DEQ:
 		WARN_ON(slot_id != TRB_TO_SLOT_ID(
@@ -1672,7 +1818,7 @@
 		 */
 		slot_id = TRB_TO_SLOT_ID(
 				le32_to_cpu(cmd_trb->generic.field[3]));
-		xhci_handle_cmd_reset_dev(xhci, slot_id, event);
+		xhci_handle_cmd_reset_dev(xhci, slot_id);
 		break;
 	case TRB_NEC_GET_FW:
 		xhci_handle_cmd_nec_get_fw(xhci, event);
@@ -1699,11 +1845,8 @@
 }
 
 static void handle_vendor_event(struct xhci_hcd *xhci,
-		union xhci_trb *event)
+				union xhci_trb *event, u32 trb_type)
 {
-	u32 trb_type;
-
-	trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(event->generic.field[3]));
 	xhci_dbg(xhci, "Vendor specific event TRB type = %u\n", trb_type);
 	if (trb_type == TRB_NEC_CMD_COMP && (xhci->quirks & XHCI_NEC_HOST))
 		handle_cmd_completion(xhci, &event->event_cmd);
@@ -1849,7 +1992,7 @@
 			goto cleanup;
 		} else if (!test_bit(hcd_portnum, &bus_state->resuming_ports)) {
 			xhci_dbg(xhci, "resume HS port %d\n", port_id);
-			port->resume_timestamp = jiffies +
+			bus_state->resume_done[hcd_portnum] = jiffies +
 				msecs_to_jiffies(USB_RESUME_TIMEOUT);
 			set_bit(hcd_portnum, &bus_state->resuming_ports);
 			/* Do the rest in GetPortStatus after resume time delay.
@@ -1858,7 +2001,7 @@
 			 */
 			set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
 			mod_timer(&hcd->rh_timer,
-				  port->resume_timestamp);
+				  bus_state->resume_done[hcd_portnum]);
 			usb_hcd_start_port_resume(&hcd->self, hcd_portnum);
 			bogus_port_status = true;
 		}
@@ -1870,7 +2013,7 @@
 	     (portsc & PORT_PLS_MASK) == XDEV_U1 ||
 	     (portsc & PORT_PLS_MASK) == XDEV_U2)) {
 		xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
-		complete(&port->u3exit_done);
+		complete(&bus_state->u3exit_done[hcd_portnum]);
 		/* We've just brought the device into U0/1/2 through either the
 		 * Resume state after a device remote wakeup, or through the
 		 * U3Exit state after a host-initiated resume.  If it's a device
@@ -1895,9 +2038,10 @@
 	 * RExit to a disconnect state).  If so, let the the driver know it's
 	 * out of the RExit state.
 	 */
-	if (hcd->speed < HCD_USB3 && port->rexit_active) {
-		complete(&port->rexit_done);
-		port->rexit_active = false;
+	if (!DEV_SUPERSPEED_ANY(portsc) && hcd->speed < HCD_USB3 &&
+			test_and_clear_bit(hcd_portnum,
+				&bus_state->rexit_ports)) {
+		complete(&bus_state->rexit_done[hcd_portnum]);
 		bogus_port_status = true;
 		goto cleanup;
 	}
@@ -2059,29 +2203,61 @@
 	return 0;
 }
 
-static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
-	struct xhci_transfer_event *event, struct xhci_virt_ep *ep)
+static int finish_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+		     struct xhci_ring *ep_ring, struct xhci_td *td,
+		     u32 trb_comp_code)
 {
 	struct xhci_ep_ctx *ep_ctx;
-	struct xhci_ring *ep_ring;
-	u32 trb_comp_code;
+	int trbs_freed;
 
-	ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
 	ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep->ep_index);
-	trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
 
-	if (trb_comp_code == COMP_STOPPED_LENGTH_INVALID ||
-			trb_comp_code == COMP_STOPPED ||
-			trb_comp_code == COMP_STOPPED_SHORT_PACKET) {
-		/* The Endpoint Stop Command completion will take care of any
-		 * stopped TDs.  A stopped TD may be restarted, so don't update
+	switch (trb_comp_code) {
+	case COMP_STOPPED_LENGTH_INVALID:
+	case COMP_STOPPED_SHORT_PACKET:
+	case COMP_STOPPED:
+		/*
+		 * The "Stop Endpoint" completion will take care of any
+		 * stopped TDs. A stopped TD may be restarted, so don't update
 		 * the ring dequeue pointer or take this TD off any lists yet.
 		 */
 		return 0;
-	}
-	if (trb_comp_code == COMP_STALL_ERROR ||
-		xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
-						trb_comp_code)) {
+	case COMP_USB_TRANSACTION_ERROR:
+	case COMP_BABBLE_DETECTED_ERROR:
+	case COMP_SPLIT_TRANSACTION_ERROR:
+		/*
+		 * If endpoint context state is not halted we might be
+		 * racing with a reset endpoint command issued by a unsuccessful
+		 * stop endpoint completion (context error). In that case the
+		 * td should be on the cancelled list, and EP_HALTED flag set.
+		 *
+		 * Or then it's not halted due to the 0.95 spec stating that a
+		 * babbling control endpoint should not halt. The 0.96 spec
+		 * again says it should.  Some HW claims to be 0.95 compliant,
+		 * but it halts the control endpoint anyway.
+		 */
+		if (GET_EP_CTX_STATE(ep_ctx) != EP_STATE_HALTED) {
+			/*
+			 * If EP_HALTED is set and TD is on the cancelled list
+			 * the TD and dequeue pointer will be handled by reset
+			 * ep command completion
+			 */
+			if ((ep->ep_state & EP_HALTED) &&
+			    !list_empty(&td->cancelled_td_list)) {
+				xhci_dbg(xhci, "Already resolving halted ep for 0x%llx\n",
+					 (unsigned long long)xhci_trb_virt_to_dma(
+						 td->start_seg, td->first_trb));
+				return 0;
+			}
+			/* endpoint not halted, don't reset it */
+			break;
+		}
+		/* Almost same procedure as for STALL_ERROR below */
+		xhci_clear_hub_tt_buffer(xhci, td, ep);
+		xhci_handle_halted_endpoint(xhci, ep, ep_ring->stream_id, td,
+					    EP_HARD_RESET);
+		return 0;
+	case COMP_STALL_ERROR:
 		/*
 		 * xhci internal endpoint state will go to a "halt" state for
 		 * any stall, including default control pipe protocol stall.
@@ -2092,18 +2268,29 @@
 		 * stall later. Hub TT buffer should only be cleared for FS/LS
 		 * devices behind HS hubs for functional stalls.
 		 */
-		if ((ep->ep_index != 0) || (trb_comp_code != COMP_STALL_ERROR))
+		if (ep->ep_index != 0)
 			xhci_clear_hub_tt_buffer(xhci, td, ep);
 
 		xhci_handle_halted_endpoint(xhci, ep, ep_ring->stream_id, td,
-					     EP_HARD_RESET);
-	} else {
-		/* Update ring dequeue pointer */
-		while (ep_ring->dequeue != td->last_trb)
-			inc_deq(xhci, ep_ring);
-		inc_deq(xhci, ep_ring);
+					    EP_HARD_RESET);
+
+		return 0; /* xhci_handle_halted_endpoint marked td cancelled */
+	default:
+		break;
 	}
 
+	/* Update ring dequeue pointer */
+	trbs_freed = xhci_num_trbs_to(ep_ring->deq_seg, ep_ring->dequeue,
+				      td->last_trb_seg, td->last_trb,
+				      ep_ring->num_segs);
+	if (trbs_freed < 0)
+		xhci_dbg(xhci, "Failed to count freed trbs at TD finish\n");
+	else
+		ep_ring->num_trbs_free += trbs_freed;
+	ep_ring->dequeue = td->last_trb;
+	ep_ring->deq_seg = td->last_trb_seg;
+	inc_deq(xhci, ep_ring);
+
 	return xhci_td_cleanup(xhci, td, ep_ring, td->status);
 }
 
@@ -2125,9 +2312,9 @@
 /*
  * Process control tds, update urb status and actual_length.
  */
-static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
-	union xhci_trb *ep_trb, struct xhci_transfer_event *event,
-	struct xhci_virt_ep *ep)
+static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+		struct xhci_ring *ep_ring,  struct xhci_td *td,
+			   union xhci_trb *ep_trb, struct xhci_transfer_event *event)
 {
 	struct xhci_ep_ctx *ep_ctx;
 	u32 trb_comp_code;
@@ -2215,15 +2402,15 @@
 		td->urb->actual_length = requested;
 
 finish_td:
-	return finish_td(xhci, td, event, ep);
+	return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
 }
 
 /*
  * Process isochronous tds, update urb packet status and actual_length.
  */
-static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
-	union xhci_trb *ep_trb, struct xhci_transfer_event *event,
-	struct xhci_virt_ep *ep)
+static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+		struct xhci_ring *ep_ring, struct xhci_td *td,
+		union xhci_trb *ep_trb, struct xhci_transfer_event *event)
 {
 	struct urb_priv *urb_priv;
 	int idx;
@@ -2300,7 +2487,7 @@
 
 	td->urb->actual_length += frame->actual_length;
 
-	return finish_td(xhci, td, event, ep);
+	return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
 }
 
 static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
@@ -2321,8 +2508,9 @@
 	frame->actual_length = 0;
 
 	/* Update ring dequeue pointer */
-	while (ep->ring->dequeue != td->last_trb)
-		inc_deq(xhci, ep->ring);
+	ep->ring->dequeue = td->last_trb;
+	ep->ring->deq_seg = td->last_trb_seg;
+	ep->ring->num_trbs_free += td->num_trbs - 1;
 	inc_deq(xhci, ep->ring);
 
 	return xhci_td_cleanup(xhci, td, ep->ring, status);
@@ -2331,17 +2519,15 @@
 /*
  * Process bulk and interrupt tds, update urb status and actual_length.
  */
-static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
-	union xhci_trb *ep_trb, struct xhci_transfer_event *event,
-	struct xhci_virt_ep *ep)
+static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+		struct xhci_ring *ep_ring, struct xhci_td *td,
+		union xhci_trb *ep_trb, struct xhci_transfer_event *event)
 {
 	struct xhci_slot_ctx *slot_ctx;
-	struct xhci_ring *ep_ring;
 	u32 trb_comp_code;
 	u32 remaining, requested, ep_trb_len;
 
 	slot_ctx = xhci_get_slot_ctx(xhci, ep->vdev->out_ctx);
-	ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
 	trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
 	remaining = EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
 	ep_trb_len = TRB_LEN(le32_to_cpu(ep_trb->generic.field[2]));
@@ -2349,7 +2535,7 @@
 
 	switch (trb_comp_code) {
 	case COMP_SUCCESS:
-		ep->err_count = 0;
+		ep_ring->err_count = 0;
 		/* handle success with untransferred data as short packet */
 		if (ep_trb != td->last_trb || remaining) {
 			xhci_warn(xhci, "WARN Successful completion on short TX\n");
@@ -2375,7 +2561,7 @@
 		break;
 	case COMP_USB_TRANSACTION_ERROR:
 		if (xhci->quirks & XHCI_NO_SOFT_RETRY ||
-		    (ep->err_count++ > MAX_SOFT_RETRY) ||
+		    (ep_ring->err_count++ > MAX_SOFT_RETRY) ||
 		    le32_to_cpu(slot_ctx->tt_info) & TT_SLOT)
 			break;
 
@@ -2401,7 +2587,8 @@
 			  remaining);
 		td->urb->actual_length = 0;
 	}
-	return finish_td(xhci, td, event, ep);
+
+	return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
 }
 
 /*
@@ -2412,7 +2599,6 @@
 static int handle_tx_event(struct xhci_hcd *xhci,
 		struct xhci_transfer_event *event)
 {
-	struct xhci_virt_device *xdev;
 	struct xhci_virt_ep *ep;
 	struct xhci_ring *ep_ring;
 	unsigned int slot_id;
@@ -2439,9 +2625,8 @@
 		goto err_out;
 	}
 
-	xdev = xhci->devs[slot_id];
 	ep_ring = xhci_dma_to_transfer_ring(ep, ep_trb_dma);
-	ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
+	ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
 
 	if (GET_EP_CTX_STATE(ep_ctx) == EP_STATE_DISABLED) {
 		xhci_err(xhci,
@@ -2457,14 +2642,8 @@
 		case COMP_USB_TRANSACTION_ERROR:
 		case COMP_INVALID_STREAM_TYPE_ERROR:
 		case COMP_INVALID_STREAM_ID_ERROR:
-			xhci_dbg(xhci, "Stream transaction error ep %u no id\n",
-				 ep_index);
-			if (ep->err_count++ > MAX_SOFT_RETRY)
-				xhci_handle_halted_endpoint(xhci, ep, 0, NULL,
-							    EP_HARD_RESET);
-			else
-				xhci_handle_halted_endpoint(xhci, ep, 0, NULL,
-							    EP_SOFT_RESET);
+			xhci_handle_halted_endpoint(xhci, ep, 0, NULL,
+						    EP_SOFT_RESET);
 			goto cleanup;
 		case COMP_RING_UNDERRUN:
 		case COMP_RING_OVERRUN:
@@ -2519,7 +2698,6 @@
 	case COMP_STALL_ERROR:
 		xhci_dbg(xhci, "Stalled endpoint for slot %u ep %u\n", slot_id,
 			 ep_index);
-		ep->ep_state |= EP_HALTED;
 		status = -EPIPE;
 		break;
 	case COMP_SPLIT_TRANSACTION_ERROR:
@@ -2752,11 +2930,11 @@
 
 		/* update the urb's actual_length and give back to the core */
 		if (usb_endpoint_xfer_control(&td->urb->ep->desc))
-			process_ctrl_td(xhci, td, ep_trb, event, ep);
+			process_ctrl_td(xhci, ep, ep_ring, td, ep_trb, event);
 		else if (usb_endpoint_xfer_isoc(&td->urb->ep->desc))
-			process_isoc_td(xhci, td, ep_trb, event, ep);
+			process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event);
 		else
-			process_bulk_intr_td(xhci, td, ep_trb, event, ep);
+			process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event);
 cleanup:
 		handling_skipped_tds = ep->skip &&
 			trb_comp_code != COMP_MISSED_SERVICE_ERROR &&
@@ -2797,10 +2975,11 @@
  * Returns >0 for "possibly more events to process" (caller should call again),
  * otherwise 0 if done.  In future, <0 returns should indicate error code.
  */
-static int xhci_handle_event(struct xhci_hcd *xhci)
+int xhci_handle_event(struct xhci_hcd *xhci)
 {
 	union xhci_trb *event;
 	int update_ptrs = 1;
+	u32 trb_type;
 	int ret;
 
 	/* Event ring hasn't been allocated yet. */
@@ -2822,31 +3001,30 @@
 	 * speculative reads of the event's flags/data below.
 	 */
 	rmb();
+	trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(event->event_cmd.flags));
 	/* FIXME: Handle more event types. */
-	switch (le32_to_cpu(event->event_cmd.flags) & TRB_TYPE_BITMASK) {
-	case TRB_TYPE(TRB_COMPLETION):
+
+	switch (trb_type) {
+	case TRB_COMPLETION:
 		handle_cmd_completion(xhci, &event->event_cmd);
 		break;
-	case TRB_TYPE(TRB_PORT_STATUS):
+	case TRB_PORT_STATUS:
 		handle_port_status(xhci, event);
 		update_ptrs = 0;
 		break;
-	case TRB_TYPE(TRB_TRANSFER):
+	case TRB_TRANSFER:
 		ret = handle_tx_event(xhci, &event->trans_event);
 		if (ret >= 0)
 			update_ptrs = 0;
 		break;
-	case TRB_TYPE(TRB_DEV_NOTE):
+	case TRB_DEV_NOTE:
 		handle_device_notification(xhci, event);
 		break;
 	default:
-		if ((le32_to_cpu(event->event_cmd.flags) & TRB_TYPE_BITMASK) >=
-		    TRB_TYPE(48))
-			handle_vendor_event(xhci, event);
+		if (trb_type >= TRB_VENDOR_DEFINED_LOW)
+			handle_vendor_event(xhci, event, trb_type);
 		else
-			xhci_warn(xhci, "ERROR unknown event type %d\n",
-				  TRB_FIELD_TO_TYPE(
-				  le32_to_cpu(event->event_cmd.flags)));
+			xhci_warn(xhci, "ERROR unknown event type %d\n", trb_type);
 	}
 	/* Any of the above functions may drop and re-acquire the lock, so check
 	 * to make sure a watchdog timer didn't mark the host as non-responsive.
@@ -2866,13 +3044,14 @@
 	 */
 	return 1;
 }
+EXPORT_SYMBOL_GPL(xhci_handle_event);
 
 /*
  * Update Event Ring Dequeue Pointer:
  * - When all events have finished
  * - To avoid "Event Ring Full Error" condition
  */
-static void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
+void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
 		union xhci_trb *event_ring_deq)
 {
 	u64 temp_64;
@@ -2902,6 +3081,16 @@
 	temp_64 |= ERST_EHB;
 	xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue);
 }
+EXPORT_SYMBOL_GPL(xhci_update_erst_dequeue);
+
+static irqreturn_t xhci_vendor_queue_irq_work(struct xhci_hcd *xhci)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->queue_irq_work)
+		return ops->queue_irq_work(xhci);
+	return IRQ_NONE;
+}
 
 /*
  * xHCI spec says we can get an interrupt, and if the HC has an error condition,
@@ -2937,6 +3126,10 @@
 		goto out;
 	}
 
+	ret = xhci_vendor_queue_irq_work(xhci);
+	if (ret == IRQ_HANDLED)
+		goto out;
+
 	/*
 	 * Clear the op reg interrupt status first,
 	 * so we can receive interrupts from other MSI-X interrupters.
@@ -3029,6 +3222,7 @@
 		u32 ep_state, unsigned int num_trbs, gfp_t mem_flags)
 {
 	unsigned int num_trbs_needed;
+	unsigned int link_trb_count = 0;
 
 	/* Make sure the endpoint has been added to xHC schedule */
 	switch (ep_state) {
@@ -3099,7 +3293,19 @@
 
 		ep_ring->enq_seg = ep_ring->enq_seg->next;
 		ep_ring->enqueue = ep_ring->enq_seg->trbs;
+
+		/* prevent infinite loop if all first trbs are link trbs */
+		if (link_trb_count++ > ep_ring->num_segs) {
+			xhci_warn(xhci, "Ring is an endless link TRB loop\n");
+			return -EINVAL;
+		}
 	}
+
+	if (last_trb_on_seg(ep_ring->enq_seg, ep_ring->enqueue)) {
+		xhci_warn(xhci, "Missing link TRB at end of ring segment\n");
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
@@ -3118,7 +3324,8 @@
 	struct xhci_ring *ep_ring;
 	struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
 
-	ep_ring = xhci_stream_id_to_ring(xdev, ep_index, stream_id);
+	ep_ring = xhci_triad_to_transfer_ring(xhci, xdev->slot_id, ep_index,
+					      stream_id);
 	if (!ep_ring) {
 		xhci_dbg(xhci, "Can't prepare ring for bad stream ID %u\n",
 				stream_id);
@@ -3487,7 +3694,7 @@
 			field |= TRB_IOC;
 			more_trbs_coming = false;
 			td->last_trb = ring->enqueue;
-
+			td->last_trb_seg = ring->enq_seg;
 			if (xhci_urb_suitable_for_idt(urb)) {
 				memcpy(&send_addr, urb->transfer_buffer,
 				       trb_buff_len);
@@ -3513,7 +3720,7 @@
 				upper_32_bits(send_addr),
 				length_field,
 				field);
-
+		td->num_trbs++;
 		addr += trb_buff_len;
 		sent_len = trb_buff_len;
 
@@ -3537,8 +3744,10 @@
 				       ep_index, urb->stream_id,
 				       1, urb, 1, mem_flags);
 		urb_priv->td[1].last_trb = ring->enqueue;
+		urb_priv->td[1].last_trb_seg = ring->enq_seg;
 		field = TRB_TYPE(TRB_NORMAL) | ring->cycle_state | TRB_IOC;
 		queue_trb(xhci, ring, 0, 0, 0, TRB_INTR_TARGET(0), field);
+		urb_priv->td[1].num_trbs++;
 	}
 
 	check_trb_math(urb, enqd_len);
@@ -3589,6 +3798,7 @@
 
 	urb_priv = urb->hcpriv;
 	td = &urb_priv->td[0];
+	td->num_trbs = num_trbs;
 
 	/*
 	 * Don't give the first TRB to the hardware (by toggling the cycle bit)
@@ -3661,6 +3871,7 @@
 
 	/* Save the DMA address of the last TRB in the TD */
 	td->last_trb = ep_ring->enqueue;
+	td->last_trb_seg = ep_ring->enq_seg;
 
 	/* Queue status TRB - see Table 7 and sections 4.11.2.2 and 6.4.1.2.3 */
 	/* If the device sent data, the status stage is an OUT transfer */
@@ -3905,7 +4116,7 @@
 			goto cleanup;
 		}
 		td = &urb_priv->td[i];
-
+		td->num_trbs = trbs_per_td;
 		/* use SIA as default, if frame id is used overwrite it */
 		sia_frame_id = TRB_SIA;
 		if (!(urb->transfer_flags & URB_ISO_ASAP) &&
@@ -3948,6 +4159,7 @@
 			} else {
 				more_trbs_coming = false;
 				td->last_trb = ep_ring->enqueue;
+				td->last_trb_seg = ep_ring->enq_seg;
 				field |= TRB_IOC;
 				if (trb_block_event_intr(xhci, num_tds, i))
 					field |= TRB_BEI;
@@ -4231,71 +4443,6 @@
 			trb_slot_id | trb_ep_index | type | trb_suspend, false);
 }
 
-/* Set Transfer Ring Dequeue Pointer command */
-void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
-		unsigned int slot_id, unsigned int ep_index,
-		struct xhci_dequeue_state *deq_state)
-{
-	dma_addr_t addr;
-	u32 trb_slot_id = SLOT_ID_FOR_TRB(slot_id);
-	u32 trb_ep_index = EP_ID_FOR_TRB(ep_index);
-	u32 trb_stream_id = STREAM_ID_FOR_TRB(deq_state->stream_id);
-	u32 trb_sct = 0;
-	u32 type = TRB_TYPE(TRB_SET_DEQ);
-	struct xhci_virt_ep *ep;
-	struct xhci_command *cmd;
-	int ret;
-
-	xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-		"Set TR Deq Ptr cmd, new deq seg = %p (0x%llx dma), new deq ptr = %p (0x%llx dma), new cycle = %u",
-		deq_state->new_deq_seg,
-		(unsigned long long)deq_state->new_deq_seg->dma,
-		deq_state->new_deq_ptr,
-		(unsigned long long)xhci_trb_virt_to_dma(
-			deq_state->new_deq_seg, deq_state->new_deq_ptr),
-		deq_state->new_cycle_state);
-
-	addr = xhci_trb_virt_to_dma(deq_state->new_deq_seg,
-				    deq_state->new_deq_ptr);
-	if (addr == 0) {
-		xhci_warn(xhci, "WARN Cannot submit Set TR Deq Ptr\n");
-		xhci_warn(xhci, "WARN deq seg = %p, deq pt = %p\n",
-			  deq_state->new_deq_seg, deq_state->new_deq_ptr);
-		return;
-	}
-	ep = &xhci->devs[slot_id]->eps[ep_index];
-	if ((ep->ep_state & SET_DEQ_PENDING)) {
-		xhci_warn(xhci, "WARN Cannot submit Set TR Deq Ptr\n");
-		xhci_warn(xhci, "A Set TR Deq Ptr command is pending.\n");
-		return;
-	}
-
-	/* This function gets called from contexts where it cannot sleep */
-	cmd = xhci_alloc_command(xhci, false, GFP_ATOMIC);
-	if (!cmd)
-		return;
-
-	ep->queued_deq_seg = deq_state->new_deq_seg;
-	ep->queued_deq_ptr = deq_state->new_deq_ptr;
-	if (deq_state->stream_id)
-		trb_sct = SCT_FOR_TRB(SCT_PRI_TR);
-	ret = queue_command(xhci, cmd,
-		lower_32_bits(addr) | trb_sct | deq_state->new_cycle_state,
-		upper_32_bits(addr), trb_stream_id,
-		trb_slot_id | trb_ep_index | type, false);
-	if (ret < 0) {
-		xhci_free_command(xhci, cmd);
-		return;
-	}
-
-	/* Stop the TD queueing code from ringing the doorbell until
-	 * this command completes.  The HC won't set the dequeue pointer
-	 * if the ring is running, and ringing the doorbell starts the
-	 * ring running.
-	 */
-	ep->ep_state |= SET_DEQ_PENDING;
-}
-
 int xhci_queue_reset_ep(struct xhci_hcd *xhci, struct xhci_command *cmd,
 			int slot_id, unsigned int ep_index,
 			enum xhci_ep_reset_type reset_type)
diff --git a/drivers/usb/host/xhci-trace.c b/drivers/usb/host/xhci-trace.c
index d007081..c417835 100644
--- a/drivers/usb/host/xhci-trace.c
+++ b/drivers/usb/host/xhci-trace.c
@@ -12,3 +12,6 @@
 #include "xhci-trace.h"
 
 EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_dbg_quirks);
+EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_urb_enqueue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_handle_transfer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_urb_giveback);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b069fe3f..a679a6d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -9,7 +9,9 @@
  */
 
 #include <linux/pci.h>
+#ifndef __GENKSYMS__	/* ANDROID: KABI CRC preservation hack */
 #include <linux/iommu.h>
+#endif
 #include <linux/iopoll.h>
 #include <linux/irq.h>
 #include <linux/log2.h>
@@ -21,7 +23,6 @@
 
 #include "xhci.h"
 #include "xhci-trace.h"
-#include "xhci-mtk.h"
 #include "xhci-debugfs.h"
 #include "xhci-dbgcap.h"
 
@@ -150,11 +151,9 @@
 		xhci_err(xhci, "Host took too long to start, "
 				"waited %u microseconds.\n",
 				XHCI_MAX_HALT_USEC);
-	if (!ret) {
+	if (!ret)
 		/* clear state flags. Including dying, halted or removing */
 		xhci->xhc_state = 0;
-		xhci->run_graceperiod = jiffies + msecs_to_jiffies(500);
-	}
 
 	return ret;
 }
@@ -1337,6 +1336,7 @@
 			(usb_endpoint_dir_in(desc) ? 1 : 0) - 1;
 	return index;
 }
+EXPORT_SYMBOL_GPL(xhci_get_endpoint_index);
 
 /* The reverse operation to xhci_get_endpoint_index. Calculate the USB endpoint
  * address from the XHCI endpoint index.
@@ -1347,6 +1347,7 @@
 	unsigned int direction = ep_index % 2 ? USB_DIR_OUT : USB_DIR_IN;
 	return direction | number;
 }
+EXPORT_SYMBOL_GPL(xhci_get_endpoint_address);
 
 /* Find the flag for this endpoint (for use in the control context).  Use the
  * endpoint index to create a bitmask.  The slot context is bit 0, endpoint 0 is
@@ -1357,15 +1358,6 @@
 	return 1 << (xhci_get_endpoint_index(desc) + 1);
 }
 
-/* Find the flag for this endpoint (for use in the control context).  Use the
- * endpoint index to create a bitmask.  The slot context is bit 0, endpoint 0 is
- * bit 1, etc.
- */
-static unsigned int xhci_get_endpoint_flag_from_index(unsigned int ep_index)
-{
-	return 1 << (ep_index + 1);
-}
-
 /* Compute the last valid endpoint context index.  Basically, this is the
  * endpoint index plus one.  For slot contexts with more than valid endpoint,
  * we find the most significant bit set in the added contexts flags.
@@ -1532,6 +1524,11 @@
 		return -ENODEV;
 	}
 
+	if (xhci_vendor_usb_offload_skip_urb(xhci, urb)) {
+		xhci_dbg(xhci, "skip urb for usb offload\n");
+		return -EOPNOTSUPP;
+	}
+
 	if (usb_endpoint_xfer_isoc(&urb->ep->desc))
 		num_tds = urb->number_of_packets;
 	else if (usb_endpoint_is_bulk_out(&urb->ep->desc) &&
@@ -1732,7 +1729,12 @@
 
 	for (; i < urb_priv->num_tds; i++) {
 		td = &urb_priv->td[i];
-		list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list);
+		/* TD can already be on cancelled list if ep halted on it */
+		if (list_empty(&td->cancelled_td_list)) {
+			td->cancel_status = TD_DIRTY;
+			list_add_tail(&td->cancelled_td_list,
+				      &ep->cancelled_td_list);
+		}
 	}
 
 	/* Queue a stop endpoint command, but only if this is
@@ -1778,8 +1780,8 @@
  * disabled, so there's no need for mutual exclusion to protect
  * the xhci->devs[slot_id] structure.
  */
-static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
-		struct usb_host_endpoint *ep)
+int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+		       struct usb_host_endpoint *ep)
 {
 	struct xhci_hcd *xhci;
 	struct xhci_container_ctx *in_ctx, *out_ctx;
@@ -1839,9 +1841,6 @@
 
 	xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep);
 
-	if (xhci->quirks & XHCI_MTK_HOST)
-		xhci_mtk_drop_ep_quirk(hcd, udev, ep);
-
 	xhci_dbg(xhci, "drop ep 0x%x, slot id %d, new drop flags = %#x, new add flags = %#x\n",
 			(unsigned int) ep->desc.bEndpointAddress,
 			udev->slot_id,
@@ -1849,6 +1848,7 @@
 			(unsigned int) new_add_flags);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(xhci_drop_endpoint);
 
 /* Add an endpoint to a new possible bandwidth configuration for this device.
  * Only one call to this function is allowed per endpoint before
@@ -1863,8 +1863,8 @@
  * configuration or alt setting is installed in the device, so there's no need
  * for mutual exclusion to protect the xhci->devs[slot_id] structure.
  */
-static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
-		struct usb_host_endpoint *ep)
+int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+		      struct usb_host_endpoint *ep)
 {
 	struct xhci_hcd *xhci;
 	struct xhci_container_ctx *in_ctx;
@@ -1938,15 +1938,6 @@
 		return -ENOMEM;
 	}
 
-	if (xhci->quirks & XHCI_MTK_HOST) {
-		ret = xhci_mtk_add_ep_quirk(hcd, udev, ep);
-		if (ret < 0) {
-			xhci_ring_free(xhci, virt_dev->eps[ep_index].new_ring);
-			virt_dev->eps[ep_index].new_ring = NULL;
-			return ret;
-		}
-	}
-
 	ctrl_ctx->add_flags |= cpu_to_le32(added_ctxs);
 	new_add_flags = le32_to_cpu(ctrl_ctx->add_flags);
 
@@ -1971,6 +1962,7 @@
 			(unsigned int) new_add_flags);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(xhci_add_endpoint);
 
 static void xhci_zero_in_ctx(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev)
 {
@@ -2880,6 +2872,14 @@
 			xhci_finish_resource_reservation(xhci, ctrl_ctx);
 		spin_unlock_irqrestore(&xhci->lock, flags);
 	}
+	if (ret)
+		goto failed;
+
+	ret = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+	if (ret)
+		xhci_warn(xhci, "sync device context failed, ret=%d", ret);
+
+failed:
 	return ret;
 }
 
@@ -3004,6 +3004,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(xhci_check_bandwidth);
 
 void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
 {
@@ -3022,12 +3023,17 @@
 	for (i = 0; i < 31; i++) {
 		if (virt_dev->eps[i].new_ring) {
 			xhci_debugfs_remove_endpoint(xhci, virt_dev, i);
-			xhci_ring_free(xhci, virt_dev->eps[i].new_ring);
+			if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, i))
+				xhci_vendor_free_transfer_ring(xhci, virt_dev, i);
+			else
+				xhci_ring_free(xhci, virt_dev->eps[i].new_ring);
+
 			virt_dev->eps[i].new_ring = NULL;
 		}
 	}
 	xhci_zero_in_ctx(xhci, virt_dev);
 }
+EXPORT_SYMBOL_GPL(xhci_reset_bandwidth);
 
 static void xhci_setup_input_ctx_for_config_ep(struct xhci_hcd *xhci,
 		struct xhci_container_ctx *in_ctx,
@@ -3041,84 +3047,6 @@
 	ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
 }
 
-static void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci,
-		unsigned int slot_id, unsigned int ep_index,
-		struct xhci_dequeue_state *deq_state)
-{
-	struct xhci_input_control_ctx *ctrl_ctx;
-	struct xhci_container_ctx *in_ctx;
-	struct xhci_ep_ctx *ep_ctx;
-	u32 added_ctxs;
-	dma_addr_t addr;
-
-	in_ctx = xhci->devs[slot_id]->in_ctx;
-	ctrl_ctx = xhci_get_input_control_ctx(in_ctx);
-	if (!ctrl_ctx) {
-		xhci_warn(xhci, "%s: Could not get input context, bad type.\n",
-				__func__);
-		return;
-	}
-
-	xhci_endpoint_copy(xhci, xhci->devs[slot_id]->in_ctx,
-			xhci->devs[slot_id]->out_ctx, ep_index);
-	ep_ctx = xhci_get_ep_ctx(xhci, in_ctx, ep_index);
-	addr = xhci_trb_virt_to_dma(deq_state->new_deq_seg,
-			deq_state->new_deq_ptr);
-	if (addr == 0) {
-		xhci_warn(xhci, "WARN Cannot submit config ep after "
-				"reset ep command\n");
-		xhci_warn(xhci, "WARN deq seg = %p, deq ptr = %p\n",
-				deq_state->new_deq_seg,
-				deq_state->new_deq_ptr);
-		return;
-	}
-	ep_ctx->deq = cpu_to_le64(addr | deq_state->new_cycle_state);
-
-	added_ctxs = xhci_get_endpoint_flag_from_index(ep_index);
-	xhci_setup_input_ctx_for_config_ep(xhci, xhci->devs[slot_id]->in_ctx,
-			xhci->devs[slot_id]->out_ctx, ctrl_ctx,
-			added_ctxs, added_ctxs);
-}
-
-void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
-			       unsigned int ep_index, unsigned int stream_id,
-			       struct xhci_td *td)
-{
-	struct xhci_dequeue_state deq_state;
-
-	xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-			"Cleaning up stalled endpoint ring");
-	/* We need to move the HW's dequeue pointer past this TD,
-	 * or it will attempt to resend it on the next doorbell ring.
-	 */
-	xhci_find_new_dequeue_state(xhci, slot_id, ep_index, stream_id, td,
-				    &deq_state);
-
-	if (!deq_state.new_deq_ptr || !deq_state.new_deq_seg)
-		return;
-
-	/* HW with the reset endpoint quirk will use the saved dequeue state to
-	 * issue a configure endpoint command later.
-	 */
-	if (!(xhci->quirks & XHCI_RESET_EP_QUIRK)) {
-		xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-				"Queueing new dequeue state");
-		xhci_queue_new_dequeue_state(xhci, slot_id,
-				ep_index, &deq_state);
-	} else {
-		/* Better hope no one uses the input context between now and the
-		 * reset endpoint completion!
-		 * XXX: No idea how this hardware will react when stream rings
-		 * are enabled.
-		 */
-		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
-				"Setting up input context for "
-				"configure endpoint command");
-		xhci_setup_input_ctx_for_quirk(xhci, slot_id,
-				ep_index, &deq_state);
-	}
-}
-
 static void xhci_endpoint_disable(struct usb_hcd *hcd,
 				  struct usb_host_endpoint *host_ep)
 {
@@ -3264,6 +3192,13 @@
 
 	wait_for_completion(stop_cmd->completion);
 
+	err = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+	if (err) {
+		xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+			  __func__, err);
+		goto cleanup;
+	}
+
 	spin_lock_irqsave(&xhci->lock, flags);
 
 	/* config ep command clears toggle if add and drop ep flags are set */
@@ -3295,6 +3230,11 @@
 
 	wait_for_completion(cfg_cmd->completion);
 
+	err = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+	if (err)
+		xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+			  __func__, err);
+
 	xhci_free_command(xhci, cfg_cmd);
 cleanup:
 	xhci_free_command(xhci, stop_cmd);
@@ -3840,6 +3780,13 @@
 	/* Wait for the Reset Device command to finish */
 	wait_for_completion(reset_device_cmd->completion);
 
+	ret = xhci_vendor_sync_dev_ctx(xhci, slot_id);
+	if (ret) {
+		xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+			  __func__, ret);
+		goto command_cleanup;
+	}
+
 	/* The Reset Device command can't fail, according to the 0.95/0.96 spec,
 	 * unless we tried to reset a slot ID that wasn't enabled,
 	 * or the device wasn't in the addressed or configured state.
@@ -4090,6 +4037,14 @@
 		xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n");
 		goto disable_slot;
 	}
+
+	ret = xhci_vendor_sync_dev_ctx(xhci, slot_id);
+	if (ret) {
+		xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+			  __func__, ret);
+		goto disable_slot;
+	}
+
 	vdev = xhci->devs[slot_id];
 	slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx);
 	trace_xhci_alloc_dev(slot_ctx);
@@ -4220,6 +4175,13 @@
 	/* ctrl tx can take up to 5 sec; XXX: need more time for xHC? */
 	wait_for_completion(command->completion);
 
+	ret = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+	if (ret) {
+		xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+			  __func__, ret);
+		goto out;
+	}
+
 	/* FIXME: From section 4.3.4: "Software shall be responsible for timing
 	 * the SetAddress() "recovery interval" required by USB and aborting the
 	 * command on a timeout.
@@ -4304,10 +4266,11 @@
 	return ret;
 }
 
-static int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
+int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 {
 	return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ADDRESS);
 }
+EXPORT_SYMBOL_GPL(xhci_address_device);
 
 static int xhci_enable_device(struct usb_hcd *hcd, struct usb_device *udev)
 {
@@ -4367,6 +4330,14 @@
 		return -ENOMEM;
 	}
 
+	ret = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+	if (ret) {
+		spin_unlock_irqrestore(&xhci->lock, flags);
+		xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+			  __func__, ret);
+		return ret;
+	}
+
 	xhci_slot_copy(xhci, command->in_ctx, virt_dev->out_ctx);
 	spin_unlock_irqrestore(&xhci->lock, flags);
 
@@ -4391,6 +4362,30 @@
 	return ret;
 }
 
+struct xhci_vendor_ops *xhci_vendor_get_ops(struct xhci_hcd *xhci)
+{
+	return xhci->vendor_ops;
+}
+EXPORT_SYMBOL_GPL(xhci_vendor_get_ops);
+
+int xhci_vendor_sync_dev_ctx(struct xhci_hcd *xhci, unsigned int slot_id)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->sync_dev_ctx)
+		return ops->sync_dev_ctx(xhci, slot_id);
+	return 0;
+}
+
+bool xhci_vendor_usb_offload_skip_urb(struct xhci_hcd *xhci, struct urb *urb)
+{
+	struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+	if (ops && ops->usb_offload_skip_urb)
+		return ops->usb_offload_skip_urb(xhci, urb);
+	return false;
+}
+
 #ifdef CONFIG_PM
 
 /* BESL to HIRD Encoding array for USB2 LPM */
@@ -5015,7 +5010,6 @@
 			struct usb_device *udev, enum usb3_link_state state)
 {
 	struct xhci_hcd	*xhci;
-	struct xhci_port *port;
 	u16 hub_encoded_timeout;
 	int mel;
 	int ret;
@@ -5029,13 +5023,6 @@
 			!xhci->devs[udev->slot_id])
 		return USB3_LPM_DISABLED;
 
-	/* If connected to root port then check port can handle lpm */
-	if (udev->parent && !udev->parent->parent) {
-		port = xhci->usb3_rhub.ports[udev->portnum - 1];
-		if (port->lpm_incapable)
-			return USB3_LPM_DISABLED;
-	}
-
 	hub_encoded_timeout = xhci_calculate_lpm_timeout(hcd, udev, state);
 	mel = calculate_max_exit_latency(udev, state, hub_encoded_timeout);
 	if (mel < 0) {
@@ -5095,7 +5082,7 @@
 /* Once a hub descriptor is fetched for a device, we need to update the xHC's
  * internal data structures for the device.
  */
-int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+static int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
 			struct usb_tt *tt, gfp_t mem_flags)
 {
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
@@ -5138,6 +5125,15 @@
 		return -ENOMEM;
 	}
 
+	ret = xhci_vendor_sync_dev_ctx(xhci, hdev->slot_id);
+	if (ret) {
+		xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+			  __func__, ret);
+		xhci_free_command(xhci, config_cmd);
+		spin_unlock_irqrestore(&xhci->lock, flags);
+		return ret;
+	}
+
 	xhci_slot_copy(xhci, config_cmd->in_ctx, vdev->out_ctx);
 	ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
 	slot_ctx = xhci_get_slot_ctx(xhci, config_cmd->in_ctx);
@@ -5195,7 +5191,6 @@
 	xhci_free_command(xhci, config_cmd);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(xhci_update_hub_device);
 
 static int xhci_get_frame(struct usb_hcd *hcd)
 {
@@ -5462,12 +5457,20 @@
 			drv->reset = over->reset;
 		if (over->start)
 			drv->start = over->start;
+		if (over->add_endpoint)
+			drv->add_endpoint = over->add_endpoint;
+		if (over->drop_endpoint)
+			drv->drop_endpoint = over->drop_endpoint;
 		if (over->check_bandwidth)
 			drv->check_bandwidth = over->check_bandwidth;
 		if (over->reset_bandwidth)
 			drv->reset_bandwidth = over->reset_bandwidth;
-		if (over->update_hub_device)
-			drv->update_hub_device = over->update_hub_device;
+		if (over->address_device)
+			drv->address_device = over->address_device;
+		if (over->bus_suspend)
+			drv->bus_suspend = over->bus_suspend;
+		if (over->bus_resume)
+			drv->bus_resume = over->bus_resume;
 	}
 }
 EXPORT_SYMBOL_GPL(xhci_init_driver);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index bb3c362..e21adc5 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/usb/hcd.h>
 #include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/android_kabi.h>
 
 /* Code sharing between pci-quirks and xhci hcd */
 #include	"xhci-ext-caps.h"
@@ -815,6 +816,9 @@
 	struct completion		*completion;
 	union xhci_trb			*command_trb;
 	struct list_head		cmd_list;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /* drop context bitmasks */
@@ -933,7 +937,6 @@
 	 * have to restore the device state to the previous state
 	 */
 	struct xhci_ring		*new_ring;
-	unsigned int			err_count;
 	unsigned int			ep_state;
 #define SET_DEQ_PENDING		(1 << 0)
 #define EP_HALTED		(1 << 1)	/* For stall handling */
@@ -1422,7 +1425,7 @@
 /* MFINDEX Wrap Event - microframe counter wrapped */
 #define TRB_MFINDEX_WRAP	39
 /* TRB IDs 40-47 reserved, 48-63 is vendor-defined */
-
+#define TRB_VENDOR_DEFINED_LOW	48
 /* Nec vendor-specific command completion event. */
 #define	TRB_NEC_CMD_COMP	48
 /* Get NEC firmware revision. */
@@ -1540,19 +1543,31 @@
 	void			*bounce_buf;
 	unsigned int		bounce_offs;
 	unsigned int		bounce_len;
+
+	ANDROID_KABI_RESERVE(1);
+};
+
+enum xhci_cancelled_td_status {
+	TD_DIRTY = 0,
+	TD_HALTED,
+	TD_CLEARING_CACHE,
+	TD_CLEARED,
 };
 
 struct xhci_td {
 	struct list_head	td_list;
 	struct list_head	cancelled_td_list;
 	int			status;
+	enum xhci_cancelled_td_status	cancel_status;
 	struct urb		*urb;
 	struct xhci_segment	*start_seg;
 	union xhci_trb		*first_trb;
 	union xhci_trb		*last_trb;
+	struct xhci_segment	*last_trb_seg;
 	struct xhci_segment	*bounce_seg;
 	/* actual_length of the URB has already been set */
 	bool			urb_length_set;
+	unsigned int		num_trbs;
 };
 
 /* xHCI command default timeout value */
@@ -1564,13 +1579,6 @@
 	union xhci_trb		*cmd_trb;
 };
 
-struct xhci_dequeue_state {
-	struct xhci_segment *new_deq_seg;
-	union xhci_trb *new_deq_ptr;
-	int new_cycle_state;
-	unsigned int stream_id;
-};
-
 enum xhci_ring_type {
 	TYPE_CTRL = 0,
 	TYPE_ISOC,
@@ -1617,6 +1625,7 @@
 	 * if we own the TRB (if we are the consumer).  See section 4.9.1.
 	 */
 	u32			cycle_state;
+	unsigned int            err_count;
 	unsigned int		stream_id;
 	unsigned int		num_segs;
 	unsigned int		num_trbs_free;
@@ -1625,6 +1634,9 @@
 	enum xhci_ring_type	type;
 	bool			last_td_was_short;
 	struct radix_tree_root	*trb_address_map;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct xhci_erst_entry {
@@ -1642,6 +1654,8 @@
 	dma_addr_t		erst_dma_addr;
 	/* Num entries the ERST can contain */
 	unsigned int		erst_size;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct xhci_scratchpad {
@@ -1699,8 +1713,13 @@
 	u32			port_c_suspend;
 	u32			suspended_ports;
 	u32			port_remote_wakeup;
+	unsigned long		resume_done[USB_MAXCHILDREN];
 	/* which ports have started to resume */
 	unsigned long		resuming_ports;
+	/* Which ports are waiting on RExit to U0 transition. */
+	unsigned long		rexit_ports;
+	struct completion	rexit_done[USB_MAXCHILDREN];
+	struct completion	u3exit_done[USB_MAXCHILDREN];
 };
 
 
@@ -1723,11 +1742,6 @@
 	int			hcd_portnum;
 	struct xhci_hub		*rhub;
 	struct xhci_port_cap	*port_cap;
-	unsigned int		lpm_incapable:1;
-	unsigned long		resume_timestamp;
-	bool			rexit_active;
-	struct completion	rexit_done;
-	struct completion	u3exit_done;
 };
 
 struct xhci_hub {
@@ -1820,7 +1834,7 @@
 
 	/* Host controller watchdog timer structures */
 	unsigned int		xhc_state;
-	unsigned long		run_graceperiod;
+
 	u32			command;
 	struct s3_save		s3;
 /* Host controller is dying - not responding to commands. "I'm not dead yet!"
@@ -1924,6 +1938,14 @@
 	struct list_head	regset_list;
 
 	void			*dbc;
+
+	/* Used for bug 194461020 */
+	ANDROID_KABI_USE(1, struct xhci_vendor_ops *vendor_ops);
+
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
 	/* platform-specific data -- must come last */
 	unsigned long		priv[] __aligned(sizeof(s64));
 };
@@ -1933,10 +1955,15 @@
 	size_t extra_priv_size;
 	int (*reset)(struct usb_hcd *hcd);
 	int (*start)(struct usb_hcd *hcd);
+	int (*add_endpoint)(struct usb_hcd *hcd, struct usb_device *udev,
+			    struct usb_host_endpoint *ep);
+	int (*drop_endpoint)(struct usb_hcd *hcd, struct usb_device *udev,
+			     struct usb_host_endpoint *ep);
 	int (*check_bandwidth)(struct usb_hcd *, struct usb_device *);
 	void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *);
-	int (*update_hub_device)(struct usb_hcd *hcd, struct usb_device *hdev,
-			    struct usb_tt *tt, gfp_t mem_flags);
+	int (*address_device)(struct usb_hcd *hcd, struct usb_device *udev);
+	int (*bus_suspend)(struct usb_hcd *hcd);
+	int (*bus_resume)(struct usb_hcd *hcd);
 };
 
 #define	XHCI_CFC_DELAY		10
@@ -2063,10 +2090,6 @@
 struct xhci_ring *xhci_dma_to_transfer_ring(
 		struct xhci_virt_ep *ep,
 		u64 address);
-struct xhci_ring *xhci_stream_id_to_ring(
-		struct xhci_virt_device *dev,
-		unsigned int ep_index,
-		unsigned int stream_id);
 struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
 		bool allocate_completion, gfp_t mem_flags);
 struct xhci_command *xhci_alloc_command_with_ctx(struct xhci_hcd *xhci,
@@ -2091,10 +2114,13 @@
 void xhci_shutdown(struct usb_hcd *hcd);
 void xhci_init_driver(struct hc_driver *drv,
 		      const struct xhci_driver_overrides *over);
+int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+		      struct usb_host_endpoint *ep);
+int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+		       struct usb_host_endpoint *ep);
 int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
-int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
-			   struct usb_tt *tt, gfp_t mem_flags);
+int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev);
 int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id);
 int xhci_ext_cap_init(struct xhci_hcd *xhci);
 
@@ -2142,13 +2168,6 @@
 		enum xhci_ep_reset_type reset_type);
 int xhci_queue_reset_device(struct xhci_hcd *xhci, struct xhci_command *cmd,
 		u32 slot_id);
-void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
-		unsigned int slot_id, unsigned int ep_index,
-		unsigned int stream_id, struct xhci_td *cur_td,
-		struct xhci_dequeue_state *state);
-void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
-		unsigned int slot_id, unsigned int ep_index,
-		struct xhci_dequeue_state *deq_state);
 void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
 			       unsigned int ep_index, unsigned int stream_id,
 			       struct xhci_td *td);
@@ -2209,6 +2228,53 @@
 					urb->stream_id);
 }
 
+/**
+ * struct xhci_vendor_ops - function callbacks for vendor specific operations
+ * @vendor_init: called for vendor init process
+ * @vendor_cleanup: called for vendor cleanup process
+ * @is_usb_offload_enabled: called to check if usb offload enabled
+ * @queue_irq_work: called to queue vendor specific irq work
+ * @alloc_dcbaa: called when allocating vendor specific dcbaa
+ * @free_dcbaa: called to free vendor specific dcbaa
+ * @alloc_transfer_ring: called when remote transfer ring allocation is required
+ * @free_transfer_ring: called to free vendor specific transfer ring
+ * @sync_dev_ctx: called when synchronization for device context is required
+ * @alloc_container_ctx: called when allocating vendor specific container context
+ * @free_container_ctx: called to free vendor specific container context
+ */
+struct xhci_vendor_ops {
+	int (*vendor_init)(struct xhci_hcd *xhci);
+	void (*vendor_cleanup)(struct xhci_hcd *xhci);
+	bool (*is_usb_offload_enabled)(struct xhci_hcd *xhci,
+				       struct xhci_virt_device *vdev,
+				       unsigned int ep_index);
+	irqreturn_t (*queue_irq_work)(struct xhci_hcd *xhci);
+
+	struct xhci_device_context_array *(*alloc_dcbaa)(struct xhci_hcd *xhci,
+							 gfp_t flags);
+	void (*free_dcbaa)(struct xhci_hcd *xhci);
+
+	struct xhci_ring *(*alloc_transfer_ring)(struct xhci_hcd *xhci,
+			u32 endpoint_type, enum xhci_ring_type ring_type,
+			unsigned int max_packet, gfp_t mem_flags);
+	void (*free_transfer_ring)(struct xhci_hcd *xhci,
+			struct xhci_virt_device *virt_dev, unsigned int ep_index);
+	int (*sync_dev_ctx)(struct xhci_hcd *xhci, unsigned int slot_id);
+	bool (*usb_offload_skip_urb)(struct xhci_hcd *xhci, struct urb *urb);
+	void (*alloc_container_ctx)(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
+				    int type, gfp_t flags);
+	void (*free_container_ctx)(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx);
+};
+
+struct xhci_vendor_ops *xhci_vendor_get_ops(struct xhci_hcd *xhci);
+
+int xhci_vendor_sync_dev_ctx(struct xhci_hcd *xhci, unsigned int slot_id);
+bool xhci_vendor_usb_offload_skip_urb(struct xhci_hcd *xhci, struct urb *urb);
+void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
+		struct xhci_virt_device *virt_dev, unsigned int ep_index);
+bool xhci_vendor_is_usb_offload_enabled(struct xhci_hcd *xhci,
+		struct xhci_virt_device *virt_dev, unsigned int ep_index);
+
 /*
  * TODO: As per spec Isochronous IDT transmissions are supported. We bypass
  * them anyways as we where unable to find a device that matches the
diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c
index 29fe577..ff4ac3d 100644
--- a/drivers/usb/misc/usb251xb.c
+++ b/drivers/usb/misc/usb251xb.c
@@ -544,7 +544,7 @@
 		hub->lang_id = USB251XB_DEF_LANGUAGE_ID;
 
 	cproperty_char = of_get_property(np, "manufacturer", NULL);
-	strlcpy(str, cproperty_char ? : USB251XB_DEF_MANUFACTURER_STRING,
+	strscpy(str, cproperty_char ? : USB251XB_DEF_MANUFACTURER_STRING,
 		sizeof(str));
 	hub->manufacturer_len = strlen(str) & 0xFF;
 	memset(hub->manufacturer, 0, USB251XB_STRING_BUFSIZE);
@@ -554,7 +554,7 @@
 			      USB251XB_STRING_BUFSIZE);
 
 	cproperty_char = of_get_property(np, "product", NULL);
-	strlcpy(str, cproperty_char ? : data->product_str, sizeof(str));
+	strscpy(str, cproperty_char ? : data->product_str, sizeof(str));
 	hub->product_len = strlen(str) & 0xFF;
 	memset(hub->product, 0, USB251XB_STRING_BUFSIZE);
 	len = min_t(size_t, USB251XB_STRING_BUFSIZE / 2, strlen(str));
@@ -563,7 +563,7 @@
 			      USB251XB_STRING_BUFSIZE);
 
 	cproperty_char = of_get_property(np, "serial", NULL);
-	strlcpy(str, cproperty_char ? : USB251XB_DEF_SERIAL_STRING,
+	strscpy(str, cproperty_char ? : USB251XB_DEF_SERIAL_STRING,
 		sizeof(str));
 	hub->serial_len = strlen(str) & 0xFF;
 	memset(hub->serial, 0, USB251XB_STRING_BUFSIZE);
diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c
index a989fe9..3ebd88b 100644
--- a/drivers/usb/storage/onetouch.c
+++ b/drivers/usb/storage/onetouch.c
@@ -201,7 +201,7 @@
 	onetouch->dev = input_dev;
 
 	if (udev->manufacturer)
-		strlcpy(onetouch->name, udev->manufacturer,
+		strscpy(onetouch->name, udev->manufacturer,
 			sizeof(onetouch->name));
 	if (udev->product) {
 		if (udev->manufacturer)
diff --git a/drivers/usb/typec/altmodes/Kconfig b/drivers/usb/typec/altmodes/Kconfig
index 1a6b5e8..60d375e 100644
--- a/drivers/usb/typec/altmodes/Kconfig
+++ b/drivers/usb/typec/altmodes/Kconfig
@@ -4,7 +4,6 @@
 
 config TYPEC_DP_ALTMODE
 	tristate "DisplayPort Alternate Mode driver"
-	depends on DRM
 	help
 	  DisplayPort USB Type-C Alternate Mode allows DisplayPort
 	  displays and adapters to be attached to the USB Type-C
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index def903e..8f0c6da 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -11,14 +11,12 @@
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/module.h>
-#include <linux/property.h>
 #include <linux/usb/pd_vdo.h>
 #include <linux/usb/typec_dp.h>
-#include <drm/drm_connector.h>
 #include "displayport.h"
 
-#define DP_HEADER(_dp, cmd)		(VDO((_dp)->alt->svid, 1, cmd) | \
-					 VDO_OPOS(USB_TYPEC_DP_MODE))
+#define DP_HEADER(_dp, ver, cmd)	(VDO((_dp)->alt->svid, 1, ver, cmd)	\
+					 | VDO_OPOS(USB_TYPEC_DP_MODE))
 
 enum {
 	DP_CONF_USB,
@@ -59,13 +57,11 @@
 	struct typec_displayport_data data;
 
 	enum dp_state state;
-	bool hpd;
 
 	struct mutex lock; /* device lock */
 	struct work_struct work;
 	struct typec_altmode *alt;
 	const struct typec_altmode *port;
-	struct fwnode_handle *connector_fwnode;
 };
 
 static int dp_altmode_notify(struct dp_altmode *dp)
@@ -126,7 +122,6 @@
 static int dp_altmode_status_update(struct dp_altmode *dp)
 {
 	bool configured = !!DP_CONF_GET_PIN_ASSIGN(dp->data.conf);
-	bool hpd = !!(dp->data.status & DP_STATUS_HPD_STATE);
 	u8 con = DP_STATUS_CONNECTION(dp->data.status);
 	int ret = 0;
 
@@ -139,11 +134,6 @@
 		ret = dp_altmode_configure(dp, con);
 		if (!ret)
 			dp->state = DP_STATE_CONFIGURE;
-	} else {
-		if (dp->hpd != hpd) {
-			drm_connector_oob_hotplug_event(dp->connector_fwnode);
-			dp->hpd = hpd;
-		}
 	}
 
 	return ret;
@@ -170,9 +160,14 @@
 
 static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
 {
-	u32 header = DP_HEADER(dp, DP_CMD_CONFIGURE);
+	int svdm_version = typec_altmode_get_svdm_version(dp->alt);
+	u32 header;
 	int ret;
 
+	if (svdm_version < 0)
+		return svdm_version;
+
+	header = DP_HEADER(dp, svdm_version, DP_CMD_CONFIGURE);
 	ret = typec_altmode_notify(dp->alt, TYPEC_STATE_SAFE, &dp->data);
 	if (ret) {
 		dev_err(&dp->alt->dev,
@@ -195,6 +190,7 @@
 static void dp_altmode_work(struct work_struct *work)
 {
 	struct dp_altmode *dp = container_of(work, struct dp_altmode, work);
+	int svdm_version;
 	u32 header;
 	u32 vdo;
 	int ret;
@@ -208,7 +204,10 @@
 			dev_err(&dp->alt->dev, "failed to enter mode\n");
 		break;
 	case DP_STATE_UPDATE:
-		header = DP_HEADER(dp, DP_CMD_STATUS_UPDATE);
+		svdm_version = typec_altmode_get_svdm_version(dp->alt);
+		if (svdm_version < 0)
+			break;
+		header = DP_HEADER(dp, svdm_version, DP_CMD_STATUS_UPDATE);
 		vdo = 1;
 		ret = typec_altmode_vdm(dp->alt, header, &vdo, 2);
 		if (ret)
@@ -285,11 +284,6 @@
 		case CMD_EXIT_MODE:
 			dp->data.status = 0;
 			dp->data.conf = 0;
-			if (dp->hpd) {
-				drm_connector_oob_hotplug_event(dp->connector_fwnode);
-				dp->hpd = false;
-				sysfs_notify(&dp->alt->dev.kobj, "displayport", "hpd");
-			}
 			break;
 		case DP_CMD_STATUS_UPDATE:
 			dp->data.status = *vdo;
@@ -541,7 +535,6 @@
 int dp_altmode_probe(struct typec_altmode *alt)
 {
 	const struct typec_altmode *port = typec_altmode_get_partner(alt);
-	struct fwnode_handle *fwnode;
 	struct dp_altmode *dp;
 	int ret;
 
@@ -570,11 +563,6 @@
 	alt->desc = "DisplayPort";
 	alt->ops = &dp_altmode_ops;
 
-	fwnode = dev_fwnode(alt->dev.parent->parent); /* typec_port fwnode */
-	dp->connector_fwnode = fwnode_find_reference(fwnode, "displayport", 0);
-	if (IS_ERR(dp->connector_fwnode))
-		dp->connector_fwnode = NULL;
-
 	typec_altmode_set_drvdata(alt, dp);
 
 	dp->state = DP_STATE_ENTER;
@@ -590,13 +578,6 @@
 
 	sysfs_remove_group(&alt->dev.kobj, &dp_altmode_group);
 	cancel_work_sync(&dp->work);
-
-	if (dp->connector_fwnode) {
-		if (dp->hpd)
-			drm_connector_oob_hotplug_event(dp->connector_fwnode);
-
-		fwnode_handle_put(dp->connector_fwnode);
-	}
 }
 EXPORT_SYMBOL_GPL(dp_altmode_remove);
 
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 7fa95e7..b41b6eb 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -11,6 +11,8 @@
 #include <linux/mutex.h>
 #include <linux/property.h>
 #include <linux/slab.h>
+#include <linux/usb/pd_vdo.h>
+#include <linux/android_kabi.h>
 
 #include "bus.h"
 
@@ -18,6 +20,8 @@
 	struct device			dev;
 	enum typec_plug_index		index;
 	struct ida			mode_ids;
+	int				num_altmodes;
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct typec_cable {
@@ -25,6 +29,8 @@
 	enum typec_plug_type		type;
 	struct usb_pd_identity		*identity;
 	unsigned int			active:1;
+	u16				pd_revision; /* 0300H = "3.0" */
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct typec_partner {
@@ -33,6 +39,10 @@
 	struct usb_pd_identity		*identity;
 	enum typec_accessory		accessory;
 	struct ida			mode_ids;
+	int				num_altmodes;
+	u16				pd_revision; /* 0300H = "3.0" */
+	enum usb_pd_svdm_ver		svdm_version;
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct typec_port {
@@ -54,6 +64,7 @@
 
 	const struct typec_capability	*cap;
 	const struct typec_operations   *ops;
+	ANDROID_KABI_RESERVE(1);
 };
 
 #define to_typec_port(_dev_) container_of(_dev_, struct typec_port, dev)
@@ -81,6 +92,29 @@
 	[TYPEC_ACCESSORY_DEBUG]		= "debug",
 };
 
+/* Product types defined in USB PD Specification R3.0 V2.0 */
+static const char * const product_type_ufp[8] = {
+	[IDH_PTYPE_NOT_UFP]		= "not_ufp",
+	[IDH_PTYPE_HUB]			= "hub",
+	[IDH_PTYPE_PERIPH]		= "peripheral",
+	[IDH_PTYPE_PSD]			= "psd",
+	[IDH_PTYPE_AMA]			= "ama",
+};
+
+static const char * const product_type_dfp[8] = {
+	[IDH_PTYPE_NOT_DFP]		= "not_dfp",
+	[IDH_PTYPE_DFP_HUB]		= "hub",
+	[IDH_PTYPE_DFP_HOST]		= "host",
+	[IDH_PTYPE_DFP_PB]		= "power_brick",
+};
+
+static const char * const product_type_cable[8] = {
+	[IDH_PTYPE_NOT_CABLE]		= "not_cable",
+	[IDH_PTYPE_PCABLE]		= "passive",
+	[IDH_PTYPE_ACABLE]		= "active",
+	[IDH_PTYPE_VPD]			= "vpd",
+};
+
 static struct usb_pd_identity *get_pd_identity(struct device *dev)
 {
 	if (is_typec_partner(dev)) {
@@ -95,6 +129,32 @@
 	return NULL;
 }
 
+static const char *get_pd_product_type(struct device *dev)
+{
+	struct typec_port *port = to_typec_port(dev->parent);
+	struct usb_pd_identity *id = get_pd_identity(dev);
+	const char *ptype = NULL;
+
+	if (is_typec_partner(dev)) {
+		if (!id)
+			return NULL;
+
+		if (port->data_role == TYPEC_HOST)
+			ptype = product_type_ufp[PD_IDH_PTYPE(id->id_header)];
+		else
+			ptype = product_type_dfp[PD_IDH_DFP_PTYPE(id->id_header)];
+	} else if (is_typec_cable(dev)) {
+		if (id)
+			ptype = product_type_cable[PD_IDH_PTYPE(id->id_header)];
+		else
+			ptype = to_typec_cable(dev)->active ?
+				product_type_cable[IDH_PTYPE_ACABLE] :
+				product_type_cable[IDH_PTYPE_PCABLE];
+	}
+
+	return ptype;
+}
+
 static ssize_t id_header_show(struct device *dev, struct device_attribute *attr,
 			      char *buf)
 {
@@ -122,10 +182,40 @@
 }
 static DEVICE_ATTR_RO(product);
 
+static ssize_t product_type_vdo1_show(struct device *dev, struct device_attribute *attr,
+				      char *buf)
+{
+	struct usb_pd_identity *id = get_pd_identity(dev);
+
+	return sysfs_emit(buf, "0x%08x\n", id->vdo[0]);
+}
+static DEVICE_ATTR_RO(product_type_vdo1);
+
+static ssize_t product_type_vdo2_show(struct device *dev, struct device_attribute *attr,
+				      char *buf)
+{
+	struct usb_pd_identity *id = get_pd_identity(dev);
+
+	return sysfs_emit(buf, "0x%08x\n", id->vdo[1]);
+}
+static DEVICE_ATTR_RO(product_type_vdo2);
+
+static ssize_t product_type_vdo3_show(struct device *dev, struct device_attribute *attr,
+				      char *buf)
+{
+	struct usb_pd_identity *id = get_pd_identity(dev);
+
+	return sysfs_emit(buf, "0x%08x\n", id->vdo[2]);
+}
+static DEVICE_ATTR_RO(product_type_vdo3);
+
 static struct attribute *usb_pd_id_attrs[] = {
 	&dev_attr_id_header.attr,
 	&dev_attr_cert_stat.attr,
 	&dev_attr_product.attr,
+	&dev_attr_product_type_vdo1.attr,
+	&dev_attr_product_type_vdo2.attr,
+	&dev_attr_product_type_vdo3.attr,
 	NULL
 };
 
@@ -139,13 +229,54 @@
 	NULL,
 };
 
+static void typec_product_type_notify(struct device *dev)
+{
+	char *envp[2] = { };
+	const char *ptype;
+
+	ptype = get_pd_product_type(dev);
+	if (!ptype)
+		return;
+
+	sysfs_notify(&dev->kobj, NULL, "type");
+
+	envp[0] = kasprintf(GFP_KERNEL, "PRODUCT_TYPE=%s", ptype);
+	if (!envp[0])
+		return;
+
+	kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
+	kfree(envp[0]);
+}
+
 static void typec_report_identity(struct device *dev)
 {
 	sysfs_notify(&dev->kobj, "identity", "id_header");
 	sysfs_notify(&dev->kobj, "identity", "cert_stat");
 	sysfs_notify(&dev->kobj, "identity", "product");
+	sysfs_notify(&dev->kobj, "identity", "product_type_vdo1");
+	sysfs_notify(&dev->kobj, "identity", "product_type_vdo2");
+	sysfs_notify(&dev->kobj, "identity", "product_type_vdo3");
+	typec_product_type_notify(dev);
 }
 
+static ssize_t
+type_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	const char *ptype;
+
+	ptype = get_pd_product_type(dev);
+	if (!ptype)
+		return 0;
+
+	return sysfs_emit(buf, "%s\n", ptype);
+}
+static DEVICE_ATTR_RO(type);
+
+static ssize_t usb_power_delivery_revision_show(struct device *dev,
+						struct device_attribute *attr,
+						char *buf);
+static DEVICE_ATTR_RO(usb_power_delivery_revision);
+
 /* ------------------------------------------------------------------------- */
 /* Alternate Modes */
 
@@ -384,7 +515,7 @@
 	return attr->mode;
 }
 
-static struct attribute_group typec_altmode_group = {
+static const struct attribute_group typec_altmode_group = {
 	.is_visible = typec_altmode_attr_is_visible,
 	.attrs = typec_altmode_attrs,
 };
@@ -487,6 +618,10 @@
 	if (is_typec_partner(parent))
 		alt->adev.dev.bus = &typec_bus;
 
+	/* Plug alt modes need a class to generate udev events. */
+	if (is_typec_plug(parent))
+		alt->adev.dev.class = typec_class;
+
 	ret = device_register(&alt->adev.dev);
 	if (ret) {
 		dev_err(parent, "failed to register alternate mode (%d)\n",
@@ -537,12 +672,61 @@
 }
 static DEVICE_ATTR_RO(supports_usb_power_delivery);
 
+static ssize_t number_of_alternate_modes_show(struct device *dev, struct device_attribute *attr,
+					      char *buf)
+{
+	struct typec_partner *partner;
+	struct typec_plug *plug;
+	int num_altmodes;
+
+	if (is_typec_partner(dev)) {
+		partner = to_typec_partner(dev);
+		num_altmodes = partner->num_altmodes;
+	} else if (is_typec_plug(dev)) {
+		plug = to_typec_plug(dev);
+		num_altmodes = plug->num_altmodes;
+	} else {
+		return 0;
+	}
+
+	return sysfs_emit(buf, "%d\n", num_altmodes);
+}
+static DEVICE_ATTR_RO(number_of_alternate_modes);
+
 static struct attribute *typec_partner_attrs[] = {
 	&dev_attr_accessory_mode.attr,
 	&dev_attr_supports_usb_power_delivery.attr,
+	&dev_attr_number_of_alternate_modes.attr,
+	&dev_attr_type.attr,
+	&dev_attr_usb_power_delivery_revision.attr,
 	NULL
 };
-ATTRIBUTE_GROUPS(typec_partner);
+
+static umode_t typec_partner_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n)
+{
+	struct typec_partner *partner = to_typec_partner(kobj_to_dev(kobj));
+
+	if (attr == &dev_attr_number_of_alternate_modes.attr) {
+		if (partner->num_altmodes < 0)
+			return 0;
+	}
+
+	if (attr == &dev_attr_type.attr)
+		if (!get_pd_product_type(kobj_to_dev(kobj)))
+			return 0;
+
+	return attr->mode;
+}
+
+static const struct attribute_group typec_partner_group = {
+	.is_visible = typec_partner_attr_is_visible,
+	.attrs = typec_partner_attrs
+};
+
+static const struct attribute_group *typec_partner_groups[] = {
+	&typec_partner_group,
+	NULL
+};
 
 static void typec_partner_release(struct device *dev)
 {
@@ -576,6 +760,61 @@
 EXPORT_SYMBOL_GPL(typec_partner_set_identity);
 
 /**
+ * typec_partner_set_pd_revision - Set the PD revision supported by the partner
+ * @partner: The partner to be updated.
+ * @pd_revision:  USB Power Delivery Specification Revision supported by partner
+ *
+ * This routine is used to report that the PD revision of the port partner has
+ * become available.
+ */
+void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision)
+{
+	if (partner->pd_revision == pd_revision)
+		return;
+
+	partner->pd_revision = pd_revision;
+	sysfs_notify(&partner->dev.kobj, NULL, "usb_power_delivery_revision");
+	if (pd_revision != 0 && !partner->usb_pd) {
+		partner->usb_pd = 1;
+		sysfs_notify(&partner->dev.kobj, NULL,
+			     "supports_usb_power_delivery");
+	}
+	kobject_uevent(&partner->dev.kobj, KOBJ_CHANGE);
+}
+EXPORT_SYMBOL_GPL(typec_partner_set_pd_revision);
+
+/**
+ * typec_partner_set_num_altmodes - Set the number of available partner altmodes
+ * @partner: The partner to be updated.
+ * @num_altmodes: The number of altmodes we want to specify as available.
+ *
+ * This routine is used to report the number of alternate modes supported by the
+ * partner. This value is *not* enforced in alternate mode registration routines.
+ *
+ * @partner.num_altmodes is set to -1 on partner registration, denoting that
+ * a valid value has not been set for it yet.
+ *
+ * Returns 0 on success or negative error number on failure.
+ */
+int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmodes)
+{
+	int ret;
+
+	if (num_altmodes < 0)
+		return -EINVAL;
+
+	partner->num_altmodes = num_altmodes;
+	ret = sysfs_update_group(&partner->dev.kobj, &typec_partner_group);
+	if (ret < 0)
+		return ret;
+
+	sysfs_notify(&partner->dev.kobj, NULL, "number_of_alternate_modes");
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(typec_partner_set_num_altmodes);
+
+/**
  * typec_partner_register_altmode - Register USB Type-C Partner Alternate Mode
  * @partner: USB Type-C Partner that supports the alternate mode
  * @desc: Description of the alternate mode
@@ -596,6 +835,20 @@
 EXPORT_SYMBOL_GPL(typec_partner_register_altmode);
 
 /**
+ * typec_partner_set_svdm_version - Set negotiated Structured VDM (SVDM) Version
+ * @partner: USB Type-C Partner that supports SVDM
+ * @svdm_version: Negotiated SVDM Version
+ *
+ * This routine is used to save the negotiated SVDM Version.
+ */
+void typec_partner_set_svdm_version(struct typec_partner *partner,
+				   enum usb_pd_svdm_ver svdm_version)
+{
+	partner->svdm_version = svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_partner_set_svdm_version);
+
+/**
  * typec_register_partner - Register a USB Type-C Partner
  * @port: The USB Type-C Port the partner is connected to
  * @desc: Description of the partner
@@ -617,6 +870,9 @@
 	ida_init(&partner->mode_ids);
 	partner->usb_pd = desc->usb_pd;
 	partner->accessory = desc->accessory;
+	partner->num_altmodes = -1;
+	partner->pd_revision = desc->pd_revision;
+	partner->svdm_version = port->cap->svdm_version;
 
 	if (desc->identity) {
 		/*
@@ -667,12 +923,71 @@
 	kfree(plug);
 }
 
+static struct attribute *typec_plug_attrs[] = {
+	&dev_attr_number_of_alternate_modes.attr,
+	NULL
+};
+
+static umode_t typec_plug_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n)
+{
+	struct typec_plug *plug = to_typec_plug(kobj_to_dev(kobj));
+
+	if (attr == &dev_attr_number_of_alternate_modes.attr) {
+		if (plug->num_altmodes < 0)
+			return 0;
+	}
+
+	return attr->mode;
+}
+
+static const struct attribute_group typec_plug_group = {
+	.is_visible = typec_plug_attr_is_visible,
+	.attrs = typec_plug_attrs
+};
+
+static const struct attribute_group *typec_plug_groups[] = {
+	&typec_plug_group,
+	NULL
+};
+
 static const struct device_type typec_plug_dev_type = {
 	.name = "typec_plug",
+	.groups = typec_plug_groups,
 	.release = typec_plug_release,
 };
 
 /**
+ * typec_plug_set_num_altmodes - Set the number of available plug altmodes
+ * @plug: The plug to be updated.
+ * @num_altmodes: The number of altmodes we want to specify as available.
+ *
+ * This routine is used to report the number of alternate modes supported by the
+ * plug. This value is *not* enforced in alternate mode registration routines.
+ *
+ * @plug.num_altmodes is set to -1 on plug registration, denoting that
+ * a valid value has not been set for it yet.
+ *
+ * Returns 0 on success or negative error number on failure.
+ */
+int typec_plug_set_num_altmodes(struct typec_plug *plug, int num_altmodes)
+{
+	int ret;
+
+	if (num_altmodes < 0)
+		return -EINVAL;
+
+	plug->num_altmodes = num_altmodes;
+	ret = sysfs_update_group(&plug->dev.kobj, &typec_plug_group);
+	if (ret < 0)
+		return ret;
+
+	sysfs_notify(&plug->dev.kobj, NULL, "number_of_alternate_modes");
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(typec_plug_set_num_altmodes);
+
+/**
  * typec_plug_register_altmode - Register USB Type-C Cable Plug Alternate Mode
  * @plug: USB Type-C Cable Plug that supports the alternate mode
  * @desc: Description of the alternate mode
@@ -717,6 +1032,7 @@
 	sprintf(name, "plug%d", desc->index);
 
 	ida_init(&plug->mode_ids);
+	plug->num_altmodes = -1;
 	plug->index = desc->index;
 	plug->dev.class = typec_class;
 	plug->dev.parent = &cable->dev;
@@ -749,15 +1065,6 @@
 
 /* Type-C Cables */
 
-static ssize_t
-type_show(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct typec_cable *cable = to_typec_cable(dev);
-
-	return sprintf(buf, "%s\n", cable->active ? "active" : "passive");
-}
-static DEVICE_ATTR_RO(type);
-
 static const char * const typec_plug_types[] = {
 	[USB_PLUG_NONE]		= "unknown",
 	[USB_PLUG_TYPE_A]	= "type-a",
@@ -778,6 +1085,7 @@
 static struct attribute *typec_cable_attrs[] = {
 	&dev_attr_type.attr,
 	&dev_attr_plug_type.attr,
+	&dev_attr_usb_power_delivery_revision.attr,
 	NULL
 };
 ATTRIBUTE_GROUPS(typec_cable);
@@ -880,6 +1188,7 @@
 
 	cable->type = desc->type;
 	cable->active = desc->active;
+	cable->pd_revision = desc->pd_revision;
 
 	if (desc->identity) {
 		/*
@@ -1249,11 +1558,23 @@
 						struct device_attribute *attr,
 						char *buf)
 {
-	struct typec_port *p = to_typec_port(dev);
+	u16 rev = 0;
 
-	return sprintf(buf, "%d\n", (p->cap->pd_revision >> 8) & 0xff);
+	if (is_typec_partner(dev)) {
+		struct typec_partner *partner = to_typec_partner(dev);
+
+		rev = partner->pd_revision;
+	} else if (is_typec_cable(dev)) {
+		struct typec_cable *cable = to_typec_cable(dev);
+
+		rev = cable->pd_revision;
+	} else if (is_typec_port(dev)) {
+		struct typec_port *p = to_typec_port(dev);
+
+		rev = p->cap->pd_revision;
+	}
+	return sysfs_emit(buf, "%d.%d\n", (rev >> 8) & 0xff, (rev >> 4) & 0xf);
 }
-static DEVICE_ATTR_RO(usb_power_delivery_revision);
 
 static ssize_t orientation_show(struct device *dev,
 				   struct device_attribute *attr,
@@ -1314,7 +1635,7 @@
 	return attr->mode;
 }
 
-static struct attribute_group typec_group = {
+static const struct attribute_group typec_group = {
 	.is_visible = typec_attr_is_visible,
 	.attrs = typec_attrs,
 };
@@ -1357,6 +1678,11 @@
 /* --------------------------------------- */
 /* Driver callbacks to report role updates */
 
+static int partner_match(struct device *dev, void *data)
+{
+	return is_typec_partner(dev);
+}
+
 /**
  * typec_set_data_role - Report data role change
  * @port: The USB Type-C Port where the role was changed
@@ -1366,12 +1692,23 @@
  */
 void typec_set_data_role(struct typec_port *port, enum typec_data_role role)
 {
+	struct device *partner_dev;
+
 	if (port->data_role == role)
 		return;
 
 	port->data_role = role;
 	sysfs_notify(&port->dev.kobj, NULL, "data_role");
 	kobject_uevent(&port->dev.kobj, KOBJ_CHANGE);
+
+	partner_dev = device_find_child(&port->dev, NULL, partner_match);
+	if (!partner_dev)
+		return;
+
+	if (to_typec_partner(partner_dev)->identity)
+		typec_product_type_notify(partner_dev);
+
+	put_device(partner_dev);
 }
 EXPORT_SYMBOL_GPL(typec_set_data_role);
 
@@ -1412,11 +1749,6 @@
 }
 EXPORT_SYMBOL_GPL(typec_set_vconn_role);
 
-static int partner_match(struct device *dev, void *data)
-{
-	return is_typec_partner(dev);
-}
-
 /**
  * typec_set_pwr_opmode - Report changed power operation mode
  * @port: The USB Type-C Port where the mode was changed
@@ -1588,6 +1920,33 @@
 /* --------------------------------------- */
 
 /**
+ * typec_get_negotiated_svdm_version - Get negotiated SVDM Version
+ * @port: USB Type-C Port.
+ *
+ * Get the negotiated SVDM Version. The Version is set to the port default
+ * value stored in typec_capability on partner registration, and updated after
+ * a successful Discover Identity if the negotiated value is less than the
+ * default value.
+ *
+ * Returns usb_pd_svdm_ver if the partner has been registered otherwise -ENODEV.
+ */
+int typec_get_negotiated_svdm_version(struct typec_port *port)
+{
+	enum usb_pd_svdm_ver svdm_version;
+	struct device *partner_dev;
+
+	partner_dev = device_find_child(&port->dev, NULL, partner_match);
+	if (!partner_dev)
+		return -ENODEV;
+
+	svdm_version = to_typec_partner(partner_dev)->svdm_version;
+	put_device(partner_dev);
+
+	return svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_get_negotiated_svdm_version);
+
+/**
  * typec_get_drvdata - Return private driver data pointer
  * @port: USB Type-C port
  */
@@ -1628,6 +1987,60 @@
 }
 EXPORT_SYMBOL_GPL(typec_port_register_altmode);
 
+void typec_port_register_altmodes(struct typec_port *port,
+	const struct typec_altmode_ops *ops, void *drvdata,
+	struct typec_altmode **altmodes, size_t n)
+{
+	struct fwnode_handle *altmodes_node, *child;
+	struct typec_altmode_desc desc;
+	struct typec_altmode *alt;
+	size_t index = 0;
+	u32 svid, vdo;
+	int ret;
+
+	altmodes_node = device_get_named_child_node(&port->dev, "altmodes");
+	if (!altmodes_node)
+		return; /* No altmodes specified */
+
+	fwnode_for_each_child_node(altmodes_node, child) {
+		ret = fwnode_property_read_u32(child, "svid", &svid);
+		if (ret) {
+			dev_err(&port->dev, "Error reading svid for altmode %s\n",
+				fwnode_get_name(child));
+			continue;
+		}
+
+		ret = fwnode_property_read_u32(child, "vdo", &vdo);
+		if (ret) {
+			dev_err(&port->dev, "Error reading vdo for altmode %s\n",
+				fwnode_get_name(child));
+			continue;
+		}
+
+		if (index >= n) {
+			dev_err(&port->dev, "Error not enough space for altmode %s\n",
+				fwnode_get_name(child));
+			continue;
+		}
+
+		desc.svid = svid;
+		desc.vdo = vdo;
+		desc.mode = index + 1;
+		alt = typec_port_register_altmode(port, &desc);
+		if (IS_ERR(alt)) {
+			dev_err(&port->dev, "Error registering altmode %s\n",
+				fwnode_get_name(child));
+			continue;
+		}
+
+		alt->ops = ops;
+		typec_altmode_set_drvdata(alt, drvdata);
+		altmodes[index] = alt;
+		index++;
+	}
+}
+EXPORT_SYMBOL_GPL(typec_port_register_altmodes);
+
 /**
  * typec_register_port - Register a USB Type-C Port
  * @parent: Parent device
diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index 1276112..271e274 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -176,6 +176,7 @@
 static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
 {
 	u8 response[4];
+	u8 status_res;
 	int ret;
 
 	/*
@@ -189,9 +190,13 @@
 	if (ret)
 		return ret;
 
-	if (response[2] & PMC_USB_RESP_STATUS_FAILURE) {
-		if (response[2] & PMC_USB_RESP_STATUS_FATAL)
+	status_res = (msg[0] & 0xf) < PMC_USB_SAFE_MODE ?
+		     response[2] : response[1];
+
+	if (status_res & PMC_USB_RESP_STATUS_FAILURE) {
+		if (status_res & PMC_USB_RESP_STATUS_FATAL)
 			return -EIO;
+
 		return -EBUSY;
 	}
 
@@ -267,6 +272,7 @@
 pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state)
 {
 	struct typec_thunderbolt_data *data = state->data;
+	u8 cable_rounded = TBT_CABLE_ROUNDED_SUPPORT(data->cable_mode);
 	u8 cable_speed = TBT_CABLE_SPEED(data->cable_mode);
 	struct altmode_req req = { };
 
@@ -295,6 +301,8 @@
 
 	req.mode_data |= PMC_USB_ALTMODE_CABLE_SPD(cable_speed);
 
+	req.mode_data |= PMC_USB_ALTMODE_TBT_GEN(cable_rounded);
+
 	return pmc_usb_command(port, (void *)&req, sizeof(req));
 }
 
@@ -330,6 +338,11 @@
 		fallthrough;
 	default:
 		req.mode_data |= PMC_USB_ALTMODE_ACTIVE_CABLE;
+
+		/* Configure data rate to rounded in the case of Active TBT3
+		 * and USB4 cables.
+		 */
+		req.mode_data |= PMC_USB_ALTMODE_TBT_GEN(1);
 		break;
 	}
 
diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index 700e38e..8b91a6f 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -151,7 +151,7 @@
 
 	if (fusb302_log_full(chip)) {
 		chip->logbuffer_head = max(chip->logbuffer_head - 1, 0);
-		strlcpy(tmpbuffer, "overflow", sizeof(tmpbuffer));
+		strscpy(tmpbuffer, "overflow", sizeof(tmpbuffer));
 	}
 
 	if (chip->logbuffer_head < 0 ||
@@ -343,12 +343,11 @@
 	return ret;
 }
 
-static int fusb302_enable_tx_auto_retries(struct fusb302_chip *chip)
+static int fusb302_enable_tx_auto_retries(struct fusb302_chip *chip, u8 retry_count)
 {
 	int ret = 0;
 
-	ret = fusb302_i2c_set_bits(chip, FUSB_REG_CONTROL3,
-				   FUSB_REG_CONTROL3_N_RETRIES_3 |
+	ret = fusb302_i2c_set_bits(chip, FUSB_REG_CONTROL3, retry_count |
 				   FUSB_REG_CONTROL3_AUTO_RETRY);
 
 	return ret;
@@ -399,7 +398,7 @@
 	ret = fusb302_sw_reset(chip);
 	if (ret < 0)
 		return ret;
-	ret = fusb302_enable_tx_auto_retries(chip);
+	ret = fusb302_enable_tx_auto_retries(chip, FUSB_REG_CONTROL3_N_RETRIES_3);
 	if (ret < 0)
 		return ret;
 	ret = fusb302_init_interrupt(chip);
@@ -1019,7 +1018,7 @@
 };
 
 static int tcpm_pd_transmit(struct tcpc_dev *dev, enum tcpm_transmit_type type,
-			    const struct pd_message *msg)
+			    const struct pd_message *msg, unsigned int negotiated_rev)
 {
 	struct fusb302_chip *chip = container_of(dev, struct fusb302_chip,
 						 tcpc_dev);
@@ -1028,6 +1027,13 @@
 	mutex_lock(&chip->lock);
 	switch (type) {
 	case TCPC_TX_SOP:
+		/* nRetryCount 3 in P2.0 spec, whereas 2 in PD3.0 spec */
+		ret = fusb302_enable_tx_auto_retries(chip, negotiated_rev > PD_REV20 ?
+						     FUSB_REG_CONTROL3_N_RETRIES_2 :
+						     FUSB_REG_CONTROL3_N_RETRIES_3);
+		if (ret < 0)
+			fusb302_log(chip, "Cannot update retry count ret=%d", ret);
+
 		ret = fusb302_pd_send_message(chip, msg);
 		if (ret < 0)
 			fusb302_log(chip,
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index e34e46d..8fb6aaa 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -15,10 +15,24 @@
 #include <linux/usb/pd.h>
 #include <linux/usb/tcpm.h>
 #include <linux/usb/typec.h>
+#include <trace/hooks/typec.h>
 
 #include "tcpci.h"
 
-#define PD_RETRY_COUNT 3
+#define	PD_RETRY_COUNT_DEFAULT			3
+#define	PD_RETRY_COUNT_3_0_OR_HIGHER		2
+#define	AUTO_DISCHARGE_DEFAULT_THRESHOLD_MV	3500
+#define	VSINKPD_MIN_IR_DROP_MV			750
+#define	VSRC_NEW_MIN_PERCENT			95
+#define	VSRC_VALID_MIN_MV			500
+#define	VPPS_NEW_MIN_PERCENT			95
+#define	VPPS_VALID_MIN_MV			100
+#define	VSINKDISCONNECT_PD_MIN_PERCENT		90
+
+#define tcpc_presenting_rd(reg, cc) \
+	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
+	 (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
+	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
 
 #define tcpc_presenting_cc1_rd(reg) \
 	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
@@ -71,9 +85,25 @@
 static int tcpci_set_cc(struct tcpc_dev *tcpc, enum typec_cc_status cc)
 {
 	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+	bool vconn_pres;
+	enum typec_cc_polarity polarity = TYPEC_POLARITY_CC1;
 	unsigned int reg;
 	int ret;
 
+	ret = regmap_read(tcpci->regmap, TCPC_POWER_STATUS, &reg);
+	if (ret < 0)
+		return ret;
+
+	vconn_pres = !!(reg & TCPC_POWER_STATUS_VCONN_PRES);
+	if (vconn_pres) {
+		ret = regmap_read(tcpci->regmap, TCPC_TCPC_CTRL, &reg);
+		if (ret < 0)
+			return ret;
+
+		if (reg & TCPC_TCPC_CTRL_ORIENTATION)
+			polarity = TYPEC_POLARITY_CC2;
+	}
+
 	switch (cc) {
 	case TYPEC_CC_RA:
 		reg = (TCPC_ROLE_CTRL_CC_RA << TCPC_ROLE_CTRL_CC1_SHIFT) |
@@ -108,6 +138,16 @@
 		break;
 	}
 
+	if (vconn_pres) {
+		if (polarity == TYPEC_POLARITY_CC2) {
+			reg &= ~(TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT);
+			reg |= (TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC1_SHIFT);
+		} else {
+			reg &= ~(TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT);
+			reg |= (TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC2_SHIFT);
+		}
+	}
+
 	ret = regmap_write(tcpci->regmap, TCPC_ROLE_CTRL, reg);
 	if (ret < 0)
 		return ret;
@@ -115,6 +155,33 @@
 	return 0;
 }
 
+static int tcpci_apply_rc(struct tcpc_dev *tcpc, enum typec_cc_status cc,
+			  enum typec_cc_polarity polarity)
+{
+	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+	unsigned int reg;
+	int ret;
+
+	ret = regmap_read(tcpci->regmap, TCPC_ROLE_CTRL, &reg);
+	if (ret < 0)
+		return ret;
+
+	/*
+	 * APPLY_RC state is when ROLE_CONTROL.CC1 != ROLE_CONTROL.CC2 and vbus autodischarge on
+	 * disconnect is disabled. Bail out when ROLE_CONTROL.CC1 != ROLE_CONTROL.CC2.
+	 */
+	if (((reg & (TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT)) >>
+	     TCPC_ROLE_CTRL_CC2_SHIFT) !=
+	    ((reg & (TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT)) >>
+	     TCPC_ROLE_CTRL_CC1_SHIFT))
+		return 0;
+
+	return regmap_update_bits(tcpci->regmap, TCPC_ROLE_CTRL, polarity == TYPEC_POLARITY_CC1 ?
+				  TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT :
+				  TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT,
+				  TCPC_ROLE_CTRL_CC_OPEN);
+}
+
 static int tcpci_start_toggling(struct tcpc_dev *tcpc,
 				enum typec_port_type port_type,
 				enum typec_cc_status cc)
@@ -122,14 +189,17 @@
 	int ret;
 	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
 	unsigned int reg = TCPC_ROLE_CTRL_DRP;
+	int override_toggling = 0;
 
 	if (port_type != TYPEC_PORT_DRP)
 		return -EOPNOTSUPP;
 
 	/* Handle vendor drp toggling */
 	if (tcpci->data->start_drp_toggling) {
+		trace_android_vh_typec_tcpci_override_toggling(tcpci, tcpci->data,
+							       &override_toggling);
 		ret = tcpci->data->start_drp_toggling(tcpci, tcpci->data, cc);
-		if (ret < 0)
+		if (ret < 0 || override_toggling)
 			return ret;
 	}
 
@@ -197,11 +267,11 @@
 	*cc1 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC1_SHIFT) &
 				 TCPC_CC_STATUS_CC1_MASK,
 				 reg & TCPC_CC_STATUS_TERM ||
-				 tcpc_presenting_cc1_rd(role_control));
+				 tcpc_presenting_rd(role_control, CC1));
 	*cc2 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC2_SHIFT) &
 				 TCPC_CC_STATUS_CC2_MASK,
 				 reg & TCPC_CC_STATUS_TERM ||
-				 tcpc_presenting_cc2_rd(role_control));
+				 tcpc_presenting_rd(role_control, CC2));
 
 	return 0;
 }
@@ -266,6 +336,14 @@
 			   TCPC_TCPC_CTRL_ORIENTATION : 0);
 }
 
+static void tcpci_set_partner_usb_comm_capable(struct tcpc_dev *tcpc, bool capable)
+{
+	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+
+	if (tcpci->data->set_partner_usb_comm_capable)
+		tcpci->data->set_partner_usb_comm_capable(tcpci, tcpci->data, capable);
+}
+
 static int tcpci_set_vconn(struct tcpc_dev *tcpc, bool enable)
 {
 	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -283,6 +361,60 @@
 				enable ? TCPC_POWER_CTRL_VCONN_ENABLE : 0);
 }
 
+static int tcpci_enable_auto_vbus_discharge(struct tcpc_dev *dev, bool enable)
+{
+	struct tcpci *tcpci = tcpc_to_tcpci(dev);
+	int ret;
+
+	ret = regmap_update_bits(tcpci->regmap, TCPC_POWER_CTRL, TCPC_POWER_CTRL_AUTO_DISCHARGE,
+				 enable ? TCPC_POWER_CTRL_AUTO_DISCHARGE : 0);
+	return ret;
+}
+
+static int tcpci_set_auto_vbus_discharge_threshold(struct tcpc_dev *dev, enum typec_pwr_opmode mode,
+						   bool pps_active, u32 requested_vbus_voltage_mv)
+{
+	struct tcpci *tcpci = tcpc_to_tcpci(dev);
+	unsigned int pwr_ctrl, threshold = 0;
+	int ret;
+
+	/*
+	 * Indicates that vbus is going to go away due PR_SWAP, hard reset etc.
+	 * Do not discharge vbus here.
+	 */
+	if (requested_vbus_voltage_mv == 0)
+		goto write_thresh;
+
+	ret = regmap_read(tcpci->regmap, TCPC_POWER_CTRL, &pwr_ctrl);
+	if (ret < 0)
+		return ret;
+
+	if (pwr_ctrl & TCPC_FAST_ROLE_SWAP_EN) {
+		/* To prevent disconnect when the source is fast role swap is capable. */
+		threshold = AUTO_DISCHARGE_DEFAULT_THRESHOLD_MV;
+	} else if (mode == TYPEC_PWR_MODE_PD) {
+		if (pps_active)
+			threshold = ((VPPS_NEW_MIN_PERCENT * requested_vbus_voltage_mv / 100) -
+				     VSINKPD_MIN_IR_DROP_MV - VPPS_VALID_MIN_MV) *
+				     VSINKDISCONNECT_PD_MIN_PERCENT / 100;
+		else
+			threshold = ((VSRC_NEW_MIN_PERCENT * requested_vbus_voltage_mv / 100) -
+				     VSINKPD_MIN_IR_DROP_MV - VSRC_VALID_MIN_MV) *
+				     VSINKDISCONNECT_PD_MIN_PERCENT / 100;
+	} else {
+		/* 3.5V for non-pd sink */
+		threshold = AUTO_DISCHARGE_DEFAULT_THRESHOLD_MV;
+	}
+
+	threshold = threshold / TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV;
+
+	if (threshold > TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX)
+		return -EINVAL;
+
+write_thresh:
+	return tcpci_write16(tcpci, TCPC_VBUS_SINK_DISCONNECT_THRESH, threshold);
+}
+
 static int tcpci_enable_frs(struct tcpc_dev *dev, bool enable)
 {
 	struct tcpci *tcpci = tcpc_to_tcpci(dev);
@@ -299,6 +431,14 @@
 	return ret;
 }
 
+static void tcpci_frs_sourcing_vbus(struct tcpc_dev *dev)
+{
+	struct tcpci *tcpci = tcpc_to_tcpci(dev);
+
+	if (tcpci->data->frs_sourcing_vbus)
+		tcpci->data->frs_sourcing_vbus(tcpci, tcpci->data);
+}
+
 static int tcpci_set_bist_data(struct tcpc_dev *tcpc, bool enable)
 {
 	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -345,7 +485,11 @@
 {
 	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
 	unsigned int reg;
-	int ret;
+	int ret, vbus, bypass = 0;
+
+	trace_android_rvh_typec_tcpci_get_vbus(tcpci, tcpci->data, &vbus, &bypass);
+	if (bypass)
+		return vbus;
 
 	ret = regmap_read(tcpci->regmap, TCPC_POWER_STATUS, &reg);
 	if (ret < 0)
@@ -354,6 +498,28 @@
 	return !!(reg & TCPC_POWER_STATUS_VBUS_PRES);
 }
 
+static int tcpci_check_contaminant(struct tcpc_dev *tcpc)
+{
+	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+	int ret = 0;
+
+	trace_android_rvh_typec_tcpci_chk_contaminant(tcpci, tcpci->data, &ret);
+	return ret;
+}
+
+static bool tcpci_is_vbus_vsafe0v(struct tcpc_dev *tcpc)
+{
+	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+	unsigned int reg;
+	int ret;
+
+	ret = regmap_read(tcpci->regmap, TCPC_EXTENDED_STATUS, &reg);
+	if (ret < 0)
+		return false;
+
+	return !!(reg & TCPC_EXTENDED_STATUS_VSAFE0V);
+}
+
 static int tcpci_set_vbus(struct tcpc_dev *tcpc, bool source, bool sink)
 {
 	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -399,9 +565,8 @@
 	return 0;
 }
 
-static int tcpci_pd_transmit(struct tcpc_dev *tcpc,
-			     enum tcpm_transmit_type type,
-			     const struct pd_message *msg)
+static int tcpci_pd_transmit(struct tcpc_dev *tcpc, enum tcpm_transmit_type type,
+			     const struct pd_message *msg, unsigned int negotiated_rev)
 {
 	struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
 	u16 header = msg ? le16_to_cpu(msg->header) : 0;
@@ -449,7 +614,9 @@
 		}
 	}
 
-	reg = (PD_RETRY_COUNT << TCPC_TRANSMIT_RETRY_SHIFT) | (type << TCPC_TRANSMIT_TYPE_SHIFT);
+	/* nRetryCount is 3 in PD2.0 spec where 2 in PD3.0 spec */
+	reg = ((negotiated_rev > PD_REV20 ? PD_RETRY_COUNT_3_0_OR_HIGHER : PD_RETRY_COUNT_DEFAULT)
+	       << TCPC_TRANSMIT_RETRY_SHIFT) | (type << TCPC_TRANSMIT_TYPE_SHIFT);
 	ret = regmap_write(tcpci->regmap, TCPC_TRANSMIT, reg);
 	if (ret < 0)
 		return ret;
@@ -510,12 +677,22 @@
 		TCPC_ALERT_RX_HARD_RST | TCPC_ALERT_CC_STATUS;
 	if (tcpci->controls_vbus)
 		reg |= TCPC_ALERT_POWER_STATUS;
+	/* Enable VSAFE0V status interrupt when detecting VSAFE0V is supported */
+	if (tcpci->data->vbus_vsafe0v) {
+		reg |= TCPC_ALERT_EXTENDED_STATUS;
+		ret = regmap_write(tcpci->regmap, TCPC_EXTENDED_STATUS_MASK,
+				   TCPC_EXTENDED_STATUS_VSAFE0V);
+		if (ret < 0)
+			return ret;
+	}
 	return tcpci_write16(tcpci, TCPC_ALERT_MASK, reg);
 }
 
 irqreturn_t tcpci_irq(struct tcpci *tcpci)
 {
 	u16 status;
+	int ret;
+	unsigned int raw;
 
 	tcpci_read16(tcpci, TCPC_ALERT, &status);
 
@@ -531,15 +708,12 @@
 		tcpm_cc_change(tcpci->port);
 
 	if (status & TCPC_ALERT_POWER_STATUS) {
-		unsigned int reg;
-
-		regmap_read(tcpci->regmap, TCPC_POWER_STATUS_MASK, &reg);
-
+		regmap_read(tcpci->regmap, TCPC_POWER_STATUS_MASK, &raw);
 		/*
 		 * If power status mask has been reset, then the TCPC
 		 * has reset.
 		 */
-		if (reg == 0xff)
+		if (raw == 0xff)
 			tcpm_tcpc_reset(tcpci->port);
 		else
 			tcpm_vbus_change(tcpci->port);
@@ -578,6 +752,12 @@
 		tcpm_pd_receive(tcpci->port, &msg);
 	}
 
+	if (tcpci->data->vbus_vsafe0v && (status & TCPC_ALERT_EXTENDED_STATUS)) {
+		ret = regmap_read(tcpci->regmap, TCPC_EXTENDED_STATUS, &raw);
+		if (!ret && (raw & TCPC_EXTENDED_STATUS_VSAFE0V))
+			tcpm_vbus_change(tcpci->port);
+	}
+
 	if (status & TCPC_ALERT_RX_HARD_RST)
 		tcpm_pd_hard_reset(tcpci->port);
 
@@ -637,6 +817,7 @@
 	tcpci->tcpc.get_vbus = tcpci_get_vbus;
 	tcpci->tcpc.set_vbus = tcpci_set_vbus;
 	tcpci->tcpc.set_cc = tcpci_set_cc;
+	tcpci->tcpc.apply_rc = tcpci_apply_rc;
 	tcpci->tcpc.get_cc = tcpci_get_cc;
 	tcpci->tcpc.set_polarity = tcpci_set_polarity;
 	tcpci->tcpc.set_vconn = tcpci_set_vconn;
@@ -647,6 +828,20 @@
 	tcpci->tcpc.pd_transmit = tcpci_pd_transmit;
 	tcpci->tcpc.set_bist_data = tcpci_set_bist_data;
 	tcpci->tcpc.enable_frs = tcpci_enable_frs;
+	tcpci->tcpc.frs_sourcing_vbus = tcpci_frs_sourcing_vbus;
+	tcpci->tcpc.set_partner_usb_comm_capable = tcpci_set_partner_usb_comm_capable;
+	tcpci->tcpc.check_contaminant = tcpci_check_contaminant;
+
+	if (tcpci->data->auto_discharge_disconnect) {
+		tcpci->tcpc.enable_auto_vbus_discharge = tcpci_enable_auto_vbus_discharge;
+		tcpci->tcpc.set_auto_vbus_discharge_threshold =
+			tcpci_set_auto_vbus_discharge_threshold;
+		regmap_update_bits(tcpci->regmap, TCPC_POWER_CTRL, TCPC_POWER_CTRL_BLEED_DISCHARGE,
+				   TCPC_POWER_CTRL_BLEED_DISCHARGE);
+	}
+
+	if (tcpci->data->vbus_vsafe0v)
+		tcpci->tcpc.is_vbus_vsafe0v = tcpci_is_vbus_vsafe0v;
 
 	err = tcpci_parse_config(tcpci);
 	if (err < 0)
diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h
index 95ce891..fa87afb 100644
--- a/drivers/usb/typec/tcpm/tcpci.h
+++ b/drivers/usb/typec/tcpm/tcpci.h
@@ -8,6 +8,8 @@
 #ifndef __LINUX_USB_TCPCI_H
 #define __LINUX_USB_TCPCI_H
 
+#include <linux/usb/typec.h>
+
 #define TCPC_VENDOR_ID			0x0
 #define TCPC_PRODUCT_ID			0x2
 #define TCPC_BCD_DEV			0x4
@@ -45,7 +47,13 @@
 
 #define TCPC_TCPC_CTRL			0x19
 #define TCPC_TCPC_CTRL_ORIENTATION	BIT(0)
+#define PLUG_ORNT_CC1			0
+#define PLUG_ORNT_CC2			1
 #define TCPC_TCPC_CTRL_BIST_TM		BIT(1)
+#define TCPC_TCPC_CTRL_EN_LK4CONN_ALRT	BIT(6)
+
+#define TCPC_EXTENDED_STATUS		0x20
+#define TCPC_EXTENDED_STATUS_VSAFE0V	BIT(0)
 
 #define TCPC_ROLE_CTRL			0x1a
 #define TCPC_ROLE_CTRL_DRP		BIT(6)
@@ -67,21 +75,31 @@
 
 #define TCPC_POWER_CTRL			0x1c
 #define TCPC_POWER_CTRL_VCONN_ENABLE	BIT(0)
+#define TCPC_POWER_CTRL_BLEED_DISCHARGE	BIT(3)
+#define TCPC_POWER_CTRL_AUTO_DISCHARGE	BIT(4)
+#define TCPC_DIS_VOLT_ALRM		BIT(5)
+#define TCPC_POWER_CTRL_VBUS_VOLT_MON	BIT(6)
 #define TCPC_FAST_ROLE_SWAP_EN		BIT(7)
 
 #define TCPC_CC_STATUS			0x1d
 #define TCPC_CC_STATUS_TOGGLING		BIT(5)
 #define TCPC_CC_STATUS_TERM		BIT(4)
+#define TCPC_CC_STATUS_TERM_RP		0
+#define TCPC_CC_STATUS_TERM_RD		1
+#define TCPC_CC_STATE_SRC_OPEN		0
 #define TCPC_CC_STATUS_CC2_SHIFT	2
 #define TCPC_CC_STATUS_CC2_MASK		0x3
 #define TCPC_CC_STATUS_CC1_SHIFT	0
 #define TCPC_CC_STATUS_CC1_MASK		0x3
 
 #define TCPC_POWER_STATUS		0x1e
+#define TCPC_POWER_STATUS_DBG_ACC_CON	BIT(7)
 #define TCPC_POWER_STATUS_UNINIT	BIT(6)
 #define TCPC_POWER_STATUS_SOURCING_VBUS	BIT(4)
 #define TCPC_POWER_STATUS_VBUS_DET	BIT(3)
 #define TCPC_POWER_STATUS_VBUS_PRES	BIT(2)
+#define TCPC_POWER_STATUS_VCONN_PRES	BIT(1)
+#define TCPC_POWER_STATUS_SINKING_VBUS	BIT(0)
 
 #define TCPC_FAULT_STATUS		0x1f
 #define TCPC_FAULT_STATUS_ALL_REG_RST_TO_DEFAULT BIT(7)
@@ -115,6 +133,10 @@
 #define TCPC_RX_DETECT			0x2f
 #define TCPC_RX_DETECT_HARD_RESET	BIT(5)
 #define TCPC_RX_DETECT_SOP		BIT(0)
+#define TCPC_RX_DETECT_SOP1		BIT(1)
+#define TCPC_RX_DETECT_SOP2		BIT(2)
+#define TCPC_RX_DETECT_DBG1		BIT(3)
+#define TCPC_RX_DETECT_DBG2		BIT(4)
 
 #define TCPC_RX_BYTE_CNT		0x30
 #define TCPC_RX_BUF_FRAME_TYPE		0x31
@@ -133,7 +155,11 @@
 #define TCPC_TX_DATA			0x54 /* through 0x6f */
 
 #define TCPC_VBUS_VOLTAGE			0x70
+#define TCPC_VBUS_VOLTAGE_MASK			0x3ff
+#define TCPC_VBUS_VOLTAGE_LSB_MV		25
 #define TCPC_VBUS_SINK_DISCONNECT_THRESH	0x72
+#define TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV	25
+#define TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX	0x3ff
 #define TCPC_VBUS_STOP_DISCHARGE_THRESH		0x74
 #define TCPC_VBUS_VOLTAGE_ALARM_HI_CFG		0x76
 #define TCPC_VBUS_VOLTAGE_ALARM_LO_CFG		0x78
@@ -141,20 +167,38 @@
 /* I2C_WRITE_BYTE_COUNT + 1 when TX_BUF_BYTE_x is only accessible I2C_WRITE_BYTE_COUNT */
 #define TCPC_TRANSMIT_BUFFER_MAX_LEN		31
 
-/*
- * @TX_BUF_BYTE_x_hidden
- *		optional; Set when TX_BUF_BYTE_x can only be accessed through I2C_WRITE_BYTE_COUNT.
- */
 struct tcpci;
+
+/*
+ * @TX_BUF_BYTE_x_hidden:
+ *		optional; Set when TX_BUF_BYTE_x can only be accessed through I2C_WRITE_BYTE_COUNT.
+ * @frs_sourcing_vbus:
+ *		Optional; Callback to perform chip specific operations when FRS
+ *		is sourcing vbus.
+ * @auto_discharge_disconnect:
+ *		Optional; Enables TCPC to autonously discharge vbus on disconnect.
+ * @vbus_vsafe0v:
+ *		optional; Set when TCPC can detect whether vbus is at VSAFE0V.
+ * @set_partner_usb_comm_capable:
+ *		Optional; The USB Communications Capable bit indicates if port
+ *		partner is capable of communication over the USB data lines
+ *		(e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit.
+ */
 struct tcpci_data {
 	struct regmap *regmap;
 	unsigned char TX_BUF_BYTE_x_hidden:1;
+	unsigned char auto_discharge_disconnect:1;
+	unsigned char vbus_vsafe0v:1;
+
 	int (*init)(struct tcpci *tcpci, struct tcpci_data *data);
 	int (*set_vconn)(struct tcpci *tcpci, struct tcpci_data *data,
 			 bool enable);
 	int (*start_drp_toggling)(struct tcpci *tcpci, struct tcpci_data *data,
 				  enum typec_cc_status cc);
 	int (*set_vbus)(struct tcpci *tcpci, struct tcpci_data *data, bool source, bool sink);
+	void (*frs_sourcing_vbus)(struct tcpci *tcpci, struct tcpci_data *data);
+	void (*set_partner_usb_comm_capable)(struct tcpci *tcpci, struct tcpci_data *data,
+					     bool capable);
 };
 
 struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data);
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c
index 723d7dd..7b39cbd 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim.c
@@ -22,6 +22,9 @@
 #define PD_ACTIVITY_TIMEOUT_MS				10000
 
 #define TCPC_VENDOR_ALERT				0x80
+#define TCPC_VENDOR_USBSW_CTRL				0x93
+#define TCPC_VENDOR_USBSW_CTRL_ENABLE_USB_DATA		0x9
+#define TCPC_VENDOR_USBSW_CTRL_DISABLE_USB_DATA		0
 
 #define TCPC_RECEIVE_BUFFER_COUNT_OFFSET		0
 #define TCPC_RECEIVE_BUFFER_FRAME_TYPE_OFFSET		1
@@ -112,11 +115,18 @@
 		return;
 	}
 
+	/* Enable VSAFE0V detection */
+	ret = max_tcpci_write8(chip, TCPC_EXTENDED_STATUS_MASK, TCPC_EXTENDED_STATUS_VSAFE0V);
+	if (ret < 0) {
+		dev_err(chip->dev, "Unable to unmask TCPC_EXTENDED_STATUS_VSAFE0V ret:%d\n", ret);
+		return;
+	}
+
 	alert_mask = TCPC_ALERT_TX_SUCCESS | TCPC_ALERT_TX_DISCARDED | TCPC_ALERT_TX_FAILED |
 		TCPC_ALERT_RX_HARD_RST | TCPC_ALERT_RX_STATUS | TCPC_ALERT_CC_STATUS |
 		TCPC_ALERT_VBUS_DISCNCT | TCPC_ALERT_RX_BUF_OVF | TCPC_ALERT_POWER_STATUS |
 		/* Enable Extended alert for detecting Fast Role Swap Signal */
-		TCPC_ALERT_EXTND;
+		TCPC_ALERT_EXTND | TCPC_ALERT_EXTENDED_STATUS;
 
 	ret = max_tcpci_write16(chip, TCPC_ALERT_MASK, alert_mask);
 	if (ret < 0) {
@@ -238,23 +248,22 @@
 	if (ret < 0)
 		return;
 
-	if (pwr_status == 0xff) {
+	if (pwr_status == 0xff)
 		max_tcpci_init_regs(chip);
-	} else if (pwr_status & TCPC_POWER_STATUS_SOURCING_VBUS) {
+	else if (pwr_status & TCPC_POWER_STATUS_SOURCING_VBUS)
 		tcpm_sourcing_vbus(chip->port);
-		/*
-		 * Alawys re-enable boost here.
-		 * In normal case, when say an headset is attached, TCPM would
-		 * have instructed to TCPC to enable boost, so the call is a
-		 * no-op.
-		 * But for Fast Role Swap case, Boost turns on autonomously without
-		 * AP intervention, but, needs AP to enable source mode explicitly
-		 * for AP to regain control.
-		 */
-		max_tcpci_set_vbus(chip->tcpci, &chip->data, true, false);
-	} else {
+	else
 		tcpm_vbus_change(chip->port);
-	}
+}
+
+static void max_tcpci_frs_sourcing_vbus(struct tcpci *tcpci, struct tcpci_data *tdata)
+{
+	/*
+	 * For Fast Role Swap case, Boost turns on autonomously without
+	 * AP intervention, but, needs AP to enable source mode explicitly
+	 * for AP to regain control.
+	 */
+	max_tcpci_set_vbus(tcpci, tdata, true, false);
 }
 
 static void process_tx(struct max_tcpci_chip *chip, u16 status)
@@ -271,6 +280,21 @@
 		max_tcpci_init_regs(chip);
 }
 
+/* Enable USB switches when partner is USB communications capable */
+static void max_tcpci_set_partner_usb_comm_capable(struct tcpci *tcpci, struct tcpci_data *data,
+						   bool capable)
+{
+	struct max_tcpci_chip *chip = tdata_to_max_tcpci(data);
+	int ret;
+
+	ret = max_tcpci_write8(chip, TCPC_VENDOR_USBSW_CTRL, capable ?
+			       TCPC_VENDOR_USBSW_CTRL_ENABLE_USB_DATA :
+			       TCPC_VENDOR_USBSW_CTRL_DISABLE_USB_DATA);
+
+	if (ret < 0)
+		dev_err(chip->dev, "Failed to enable USB switches");
+}
+
 static irqreturn_t _max_tcpci_irq(struct max_tcpci_chip *chip, u16 status)
 {
 	u16 mask;
@@ -316,6 +340,12 @@
 		}
 	}
 
+	if (status & TCPC_ALERT_EXTENDED_STATUS) {
+		ret = max_tcpci_read8(chip, TCPC_EXTENDED_STATUS, (u8 *)&reg_status);
+		if (ret >= 0 && (reg_status & TCPC_EXTENDED_STATUS_VSAFE0V))
+			tcpm_vbus_change(chip->port);
+	}
+
 	if (status & TCPC_ALERT_RX_STATUS)
 		process_rx(chip, status);
 
@@ -344,7 +374,7 @@
 {
 	struct max_tcpci_chip *chip = dev_id;
 	u16 status;
-	irqreturn_t irq_return;
+	irqreturn_t irq_return = IRQ_HANDLED;
 	int ret;
 
 	if (!chip->port)
@@ -441,10 +471,14 @@
 	chip->data.start_drp_toggling = max_tcpci_start_toggling;
 	chip->data.TX_BUF_BYTE_x_hidden = true;
 	chip->data.init = tcpci_init;
+	chip->data.frs_sourcing_vbus = max_tcpci_frs_sourcing_vbus;
+	chip->data.auto_discharge_disconnect = true;
+	chip->data.vbus_vsafe0v = true;
+	chip->data.set_partner_usb_comm_capable = max_tcpci_set_partner_usb_comm_capable;
 
 	max_tcpci_init_regs(chip);
 	chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
-	if (IS_ERR_OR_NULL(chip->tcpci)) {
+	if (IS_ERR(chip->tcpci)) {
 		dev_err(&client->dev, "TCPCI port registration failed");
 		ret = PTR_ERR(chip->tcpci);
 		return PTR_ERR(chip->tcpci);
@@ -481,7 +515,7 @@
 
 #ifdef CONFIG_OF
 static const struct of_device_id max_tcpci_of_match[] = {
-	{ .compatible = "maxim,tcpc", },
+	{ .compatible = "maxim,max33359", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, max_tcpci_of_match);
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index ac3953a..ac8b80c 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -31,6 +31,7 @@
 #include <linux/usb/tcpm.h>
 #include <linux/usb/typec_altmode.h>
 
+#include <trace/hooks/typec.h>
 #include <uapi/linux/sched/types.h>
 
 #define FOREACH_STATE(S)			\
@@ -76,6 +77,8 @@
 	S(SNK_HARD_RESET_SINK_ON),		\
 						\
 	S(SOFT_RESET),				\
+	S(SRC_SOFT_RESET_WAIT_SNK_TX),		\
+	S(SNK_SOFT_RESET),			\
 	S(SOFT_RESET_SEND),			\
 						\
 	S(DR_SWAP_ACCEPT),			\
@@ -139,7 +142,46 @@
 						\
 	S(ERROR_RECOVERY),			\
 	S(PORT_RESET),				\
-	S(PORT_RESET_WAIT_OFF)
+	S(PORT_RESET_WAIT_OFF),			\
+						\
+	S(AMS_START),				\
+	S(CHUNK_NOT_SUPP)
+
+#define FOREACH_AMS(S)				\
+	S(NONE_AMS),				\
+	S(POWER_NEGOTIATION),			\
+	S(GOTOMIN),				\
+	S(SOFT_RESET_AMS),			\
+	S(HARD_RESET),				\
+	S(CABLE_RESET),				\
+	S(GET_SOURCE_CAPABILITIES),		\
+	S(GET_SINK_CAPABILITIES),		\
+	S(POWER_ROLE_SWAP),			\
+	S(FAST_ROLE_SWAP),			\
+	S(DATA_ROLE_SWAP),			\
+	S(VCONN_SWAP),				\
+	S(SOURCE_ALERT),			\
+	S(GETTING_SOURCE_EXTENDED_CAPABILITIES),\
+	S(GETTING_SOURCE_SINK_STATUS),		\
+	S(GETTING_BATTERY_CAPABILITIES),	\
+	S(GETTING_BATTERY_STATUS),		\
+	S(GETTING_MANUFACTURER_INFORMATION),	\
+	S(SECURITY),				\
+	S(FIRMWARE_UPDATE),			\
+	S(DISCOVER_IDENTITY),			\
+	S(SOURCE_STARTUP_CABLE_PLUG_DISCOVER_IDENTITY),	\
+	S(DISCOVER_SVIDS),			\
+	S(DISCOVER_MODES),			\
+	S(DFP_TO_UFP_ENTER_MODE),		\
+	S(DFP_TO_UFP_EXIT_MODE),		\
+	S(DFP_TO_CABLE_PLUG_ENTER_MODE),	\
+	S(DFP_TO_CABLE_PLUG_EXIT_MODE),		\
+	S(ATTENTION),				\
+	S(BIST),				\
+	S(UNSTRUCTURED_VDMS),			\
+	S(STRUCTURED_VDMS),			\
+	S(COUNTRY_INFO),			\
+	S(COUNTRY_CODES)
 
 #define GENERATE_ENUM(e)	e
 #define GENERATE_STRING(s)	#s
@@ -152,6 +194,14 @@
 	FOREACH_STATE(GENERATE_STRING)
 };
 
+enum tcpm_ams {
+	FOREACH_AMS(GENERATE_ENUM)
+};
+
+static const char * const tcpm_ams_str[] = {
+	FOREACH_AMS(GENERATE_STRING)
+};
+
 enum vdm_states {
 	VDM_STATE_ERR_BUSY = -3,
 	VDM_STATE_ERR_SEND = -2,
@@ -161,6 +211,7 @@
 	VDM_STATE_READY = 1,
 	VDM_STATE_BUSY = 2,
 	VDM_STATE_WAIT_RSP_BUSY = 3,
+	VDM_STATE_SEND_MESSAGE = 4,
 };
 
 enum pd_msg_request {
@@ -209,6 +260,7 @@
 #define ALTMODE_DISCOVERY_MAX	(SVID_DISCOVERY_MAX * MODE_DISCOVERY_MAX)
 
 #define GET_SINK_CAP_RETRY_MS	100
+#define SEND_DISCOVER_RETRY_MS	100
 
 struct pd_mode_data {
 	int svid_index;		/* current SVID index		*/
@@ -265,6 +317,7 @@
 	struct typec_partner *partner;
 
 	enum typec_cc_status cc_req;
+	enum typec_cc_status src_rp;	/* work only if pd_supported == false */
 
 	enum typec_cc_status cc1;
 	enum typec_cc_status cc2;
@@ -272,12 +325,26 @@
 
 	bool attached;
 	bool connected;
+	bool pd_supported;
 	enum typec_port_type port_type;
+
+	/*
+	 * Set to true when vbus is greater than VSAFE5V min.
+	 * Set to false when vbus falls below vSinkDisconnect max threshold.
+	 */
 	bool vbus_present;
+
+	/*
+	 * Set to true when vbus is less than VSAFE0V max.
+	 * Set to false when vbus is greater than VSAFE0V max.
+	 */
+	bool vbus_vsafe0v;
+
 	bool vbus_never_low;
 	bool vbus_source;
 	bool vbus_charge;
 
+	/* Set to true when Discover_Identity Command is expected to be sent in Ready states. */
 	bool send_discover;
 	bool op_vsafe5v;
 
@@ -304,7 +371,11 @@
 	struct kthread_work vdm_state_machine;
 	struct hrtimer enable_frs_timer;
 	struct kthread_work enable_frs;
+	struct hrtimer send_discover_timer;
+	struct kthread_work send_discover_work;
 	bool state_machine_running;
+	/* Set to true when VDM State Machine has following actions. */
+	bool vdm_sm_running;
 
 	struct completion tx_complete;
 	enum tcpm_transmit_status tx_status;
@@ -335,6 +406,8 @@
 	unsigned int nr_src_pdo;
 	u32 snk_pdo[PDO_MAX_OBJECTS];
 	unsigned int nr_snk_pdo;
+	u32 snk_vdo_v1[VDO_MAX_OBJECTS];
+	unsigned int nr_snk_vdo_v1;
 	u32 snk_vdo[VDO_MAX_OBJECTS];
 	unsigned int nr_snk_vdo;
 
@@ -381,12 +454,30 @@
 	/* port belongs to a self powered device */
 	bool self_powered;
 
-	/* FRS */
-	enum frs_typec_current frs_current;
+	/* Sink FRS */
+	enum frs_typec_current new_source_frs_current;
 
 	/* Sink caps have been queried */
 	bool sink_cap_done;
 
+	/* Port is still in tCCDebounce */
+	bool debouncing;
+
+	/* Collision Avoidance and Atomic Message Sequence */
+	enum tcpm_state upcoming_state;
+	enum tcpm_ams ams;
+	enum tcpm_ams next_ams;
+	bool in_ams;
+
+	/* Auto vbus discharge status */
+	bool auto_vbus_discharge_enabled;
+
+	/*
+	 * When set, port requests PD_P_SNK_STDBY_MW upon entering SNK_DISCOVERY and
+	 * the actual currrent limit after RX of PD_CTRL_PSRDY for PD link,
+	 * SNK_READY for non-pd link.
+	 */
+	bool slow_charger_loop;
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *dentry;
 	struct mutex logbuffer_lock;	/* log buffer access lock */
@@ -402,6 +493,12 @@
 	struct pd_message msg;
 };
 
+static const char * const pd_rev[] = {
+	[PD_REV10]		= "rev1",
+	[PD_REV20]		= "rev2",
+	[PD_REV30]		= "rev3",
+};
+
 #define tcpm_cc_is_sink(cc) \
 	((cc) == TYPEC_CC_RP_DEF || (cc) == TYPEC_CC_RP_1_5 || \
 	 (cc) == TYPEC_CC_RP_3_0)
@@ -446,6 +543,13 @@
 	((port)->typec_caps.data == TYPEC_PORT_DFP ? \
 	TYPEC_HOST : TYPEC_DEVICE)
 
+#define tcpm_sink_tx_ok(port) \
+	(tcpm_port_is_sink(port) && \
+	((port)->cc1 == TYPEC_CC_RP_3_0 || (port)->cc2 == TYPEC_CC_RP_3_0))
+
+#define tcpm_wait_for_discharge(port) \
+	(((port)->auto_vbus_discharge_enabled && !(port)->vbus_vsafe0v) ? PD_T_SAFE_0V : 0)
+
 static enum tcpm_state tcpm_default_state(struct tcpm_port *port)
 {
 	if (port->port_type == TYPEC_PORT_DRP) {
@@ -488,6 +592,7 @@
 	char tmpbuffer[LOG_BUFFER_ENTRY_SIZE];
 	u64 ts_nsec = local_clock();
 	unsigned long rem_nsec;
+	bool bypass_log = false;
 
 	mutex_lock(&port->logbuffer_lock);
 	if (!port->logbuffer[port->logbuffer_head]) {
@@ -500,6 +605,9 @@
 	}
 
 	vsnprintf(tmpbuffer, sizeof(tmpbuffer), fmt, args);
+	trace_android_vh_typec_tcpm_log(tmpbuffer, &bypass_log);
+	if (bypass_log)
+		goto abort;
 
 	if (tcpm_log_full(port)) {
 		port->logbuffer_head = max(port->logbuffer_head - 1, 0);
@@ -672,6 +780,94 @@
 
 #endif
 
+static void tcpm_set_cc(struct tcpm_port *port, enum typec_cc_status cc)
+{
+	tcpm_log(port, "cc:=%d", cc);
+	port->cc_req = cc;
+	port->tcpc->set_cc(port->tcpc, cc);
+}
+
+static int tcpm_enable_auto_vbus_discharge(struct tcpm_port *port, bool enable)
+{
+	int ret = 0;
+
+	if (port->tcpc->enable_auto_vbus_discharge) {
+		ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, enable);
+		tcpm_log_force(port, "%s vbus discharge ret:%d", enable ? "enable" : "disable",
+			       ret);
+		if (!ret)
+			port->auto_vbus_discharge_enabled = enable;
+	}
+
+	return ret;
+}
+
+static void tcpm_apply_rc(struct tcpm_port *port)
+{
+	/*
+	 * TCPCI: Move to APPLY_RC state to prevent disconnect during PR_SWAP
+	 * when Vbus auto discharge on disconnect is enabled.
+	 */
+	if (port->tcpc->enable_auto_vbus_discharge && port->tcpc->apply_rc) {
+		tcpm_log(port, "Apply_RC");
+		port->tcpc->apply_rc(port->tcpc, port->cc_req, port->polarity);
+		tcpm_enable_auto_vbus_discharge(port, false);
+	}
+}
+
+/*
+ * Determine RP value to set based on maximum current supported
+ * by a port if configured as source.
+ * Returns CC value to report to link partner.
+ */
+static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port)
+{
+	const u32 *src_pdo = port->src_pdo;
+	int nr_pdo = port->nr_src_pdo;
+	int i;
+
+	if (!port->pd_supported)
+		return port->src_rp;
+
+	/*
+	 * Search for first entry with matching voltage.
+	 * It should report the maximum supported current.
+	 */
+	for (i = 0; i < nr_pdo; i++) {
+		const u32 pdo = src_pdo[i];
+
+		if (pdo_type(pdo) == PDO_TYPE_FIXED &&
+		    pdo_fixed_voltage(pdo) == 5000) {
+			unsigned int curr = pdo_max_current(pdo);
+
+			if (curr >= 3000)
+				return TYPEC_CC_RP_3_0;
+			else if (curr >= 1500)
+				return TYPEC_CC_RP_1_5;
+			return TYPEC_CC_RP_DEF;
+		}
+	}
+
+	return TYPEC_CC_RP_DEF;
+}
+
+static void tcpm_ams_finish(struct tcpm_port *port)
+{
+	tcpm_log(port, "AMS %s finished", tcpm_ams_str[port->ams]);
+
+	if (port->pd_capable && port->pwr_role == TYPEC_SOURCE) {
+		if (port->negotiated_rev >= PD_REV30)
+			tcpm_set_cc(port, SINK_TX_OK);
+		else
+			tcpm_set_cc(port, SINK_TX_NG);
+	} else if (port->pwr_role == TYPEC_SOURCE) {
+		tcpm_set_cc(port, tcpm_rp_cc(port));
+	}
+
+	port->in_ams = false;
+	port->ams = NONE_AMS;
+}
+
 static int tcpm_pd_transmit(struct tcpm_port *port,
 			    enum tcpm_transmit_type type,
 			    const struct pd_message *msg)
@@ -685,7 +881,7 @@
 		tcpm_log(port, "PD TX, type: %#x", type);
 
 	reinit_completion(&port->tx_complete);
-	ret = port->tcpc->pd_transmit(port->tcpc, type, msg);
+	ret = port->tcpc->pd_transmit(port->tcpc, type, msg, port->negotiated_rev);
 	if (ret < 0)
 		return ret;
 
@@ -699,13 +895,30 @@
 	switch (port->tx_status) {
 	case TCPC_TX_SUCCESS:
 		port->message_id = (port->message_id + 1) & PD_HEADER_ID_MASK;
-		return 0;
+		/*
+		 * USB PD rev 2.0, 8.3.2.2.1:
+		 * USB PD rev 3.0, 8.3.2.1.3:
+		 * "... Note that every AMS is Interruptible until the first
+		 * Message in the sequence has been successfully sent (GoodCRC
+		 * Message received)."
+		 */
+		if (port->ams != NONE_AMS)
+			port->in_ams = true;
+		break;
 	case TCPC_TX_DISCARDED:
-		return -EAGAIN;
+		ret = -EAGAIN;
+		break;
 	case TCPC_TX_FAILED:
 	default:
-		return -EIO;
+		ret = -EIO;
+		break;
 	}
+
+	/* Some AMS don't expect responses. Finish them here. */
+	if (port->ams == ATTENTION || port->ams == SOURCE_ALERT)
+		tcpm_ams_finish(port);
+
+	return ret;
 }
 
 void tcpm_pd_transmit_complete(struct tcpm_port *port,
@@ -770,6 +983,21 @@
 	return ret;
 }
 
+bool tcpm_is_debouncing(struct tcpm_port *port)
+{
+	bool debounce;
+
+	if (!port)
+		return false;
+
+	mutex_lock(&port->lock);
+	debounce = port->debouncing;
+	mutex_unlock(&port->lock);
+
+	return debounce;
+}
+EXPORT_SYMBOL_GPL(tcpm_is_debouncing);
+
 static u32 tcpm_get_current_limit(struct tcpm_port *port)
 {
 	enum typec_cc_status cc;
@@ -811,39 +1039,6 @@
 	return ret;
 }
 
-/*
- * Determine RP value to set based on maximum current supported
- * by a port if configured as source.
- * Returns CC value to report to link partner.
- */
-static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port)
-{
-	const u32 *src_pdo = port->src_pdo;
-	int nr_pdo = port->nr_src_pdo;
-	int i;
-
-	/*
-	 * Search for first entry with matching voltage.
-	 * It should report the maximum supported current.
-	 */
-	for (i = 0; i < nr_pdo; i++) {
-		const u32 pdo = src_pdo[i];
-
-		if (pdo_type(pdo) == PDO_TYPE_FIXED &&
-		    pdo_fixed_voltage(pdo) == 5000) {
-			unsigned int curr = pdo_max_current(pdo);
-
-			if (curr >= 3000)
-				return TYPEC_CC_RP_3_0;
-			else if (curr >= 1500)
-				return TYPEC_CC_RP_1_5;
-			return TYPEC_CC_RP_DEF;
-		}
-	}
-
-	return TYPEC_CC_RP_DEF;
-}
-
 static int tcpm_set_attached_state(struct tcpm_port *port, bool attached)
 {
 	return port->tcpc->set_roles(port->tcpc, attached, port->pwr_role,
@@ -918,13 +1113,47 @@
 	return 0;
 }
 
+/*
+ * Transform the PDO to be compliant to PD rev2.0.
+ * Return 0 if the PDO type is not defined in PD rev2.0.
+ * Otherwise, return the converted PDO.
+ */
+static u32 tcpm_forge_legacy_pdo(struct tcpm_port *port, u32 pdo, enum typec_role role)
+{
+	switch (pdo_type(pdo)) {
+	case PDO_TYPE_FIXED:
+		if (role == TYPEC_SINK)
+			return pdo & ~PDO_FIXED_FRS_CURR_MASK;
+		else
+			return pdo & ~PDO_FIXED_UNCHUNK_EXT;
+	case PDO_TYPE_VAR:
+	case PDO_TYPE_BATT:
+		return pdo;
+	case PDO_TYPE_APDO:
+	default:
+		return 0;
+	}
+}
+
 static int tcpm_pd_send_source_caps(struct tcpm_port *port)
 {
 	struct pd_message msg;
-	int i;
+	u32 pdo;
+	unsigned int i, nr_pdo = 0;
 
 	memset(&msg, 0, sizeof(msg));
-	if (!port->nr_src_pdo) {
+
+	for (i = 0; i < port->nr_src_pdo; i++) {
+		if (port->negotiated_rev >= PD_REV30) {
+			msg.payload[nr_pdo++] =	cpu_to_le32(port->src_pdo[i]);
+		} else {
+			pdo = tcpm_forge_legacy_pdo(port, port->src_pdo[i], TYPEC_SOURCE);
+			if (pdo)
+				msg.payload[nr_pdo++] = cpu_to_le32(pdo);
+		}
+	}
+
+	if (!nr_pdo) {
 		/* No source capabilities defined, sink only */
 		msg.header = PD_HEADER_LE(PD_CTRL_REJECT,
 					  port->pwr_role,
@@ -937,10 +1166,8 @@
 					  port->data_role,
 					  port->negotiated_rev,
 					  port->message_id,
-					  port->nr_src_pdo);
+					  nr_pdo);
 	}
-	for (i = 0; i < port->nr_src_pdo; i++)
-		msg.payload[i] = cpu_to_le32(port->src_pdo[i]);
 
 	return tcpm_pd_transmit(port, TCPC_TX_SOP, &msg);
 }
@@ -948,10 +1175,22 @@
 static int tcpm_pd_send_sink_caps(struct tcpm_port *port)
 {
 	struct pd_message msg;
-	int i;
+	u32 pdo;
+	unsigned int i, nr_pdo = 0;
 
 	memset(&msg, 0, sizeof(msg));
-	if (!port->nr_snk_pdo) {
+
+	for (i = 0; i < port->nr_snk_pdo; i++) {
+		if (port->negotiated_rev >= PD_REV30) {
+			msg.payload[nr_pdo++] =	cpu_to_le32(port->snk_pdo[i]);
+		} else {
+			pdo = tcpm_forge_legacy_pdo(port, port->snk_pdo[i], TYPEC_SINK);
+			if (pdo)
+				msg.payload[nr_pdo++] = cpu_to_le32(pdo);
+		}
+	}
+
+	if (!nr_pdo) {
 		/* No sink capabilities defined, source only */
 		msg.header = PD_HEADER_LE(PD_CTRL_REJECT,
 					  port->pwr_role,
@@ -964,10 +1203,8 @@
 					  port->data_role,
 					  port->negotiated_rev,
 					  port->message_id,
-					  port->nr_snk_pdo);
+					  nr_pdo);
 	}
-	for (i = 0; i < port->nr_snk_pdo; i++)
-		msg.payload[i] = cpu_to_le32(port->snk_pdo[i]);
 
 	return tcpm_pd_transmit(port, TCPC_TX_SOP, &msg);
 }
@@ -1003,20 +1240,31 @@
 	}
 }
 
+static void mod_send_discover_delayed_work(struct tcpm_port *port, unsigned int delay_ms)
+{
+	if (delay_ms) {
+		hrtimer_start(&port->send_discover_timer, ms_to_ktime(delay_ms), HRTIMER_MODE_REL);
+	} else {
+		hrtimer_cancel(&port->send_discover_timer);
+		kthread_queue_work(port->wq, &port->send_discover_work);
+	}
+}
+
 static void tcpm_set_state(struct tcpm_port *port, enum tcpm_state state,
 			   unsigned int delay_ms)
 {
 	if (delay_ms) {
-		tcpm_log(port, "pending state change %s -> %s @ %u ms",
-			 tcpm_states[port->state], tcpm_states[state],
-			 delay_ms);
+		tcpm_log(port, "pending state change %s -> %s @ %u ms [%s %s]",
+			 tcpm_states[port->state], tcpm_states[state], delay_ms,
+			 pd_rev[port->negotiated_rev], tcpm_ams_str[port->ams]);
 		port->delayed_state = state;
 		mod_tcpm_delayed_work(port, delay_ms);
 		port->delayed_runtime = ktime_add(ktime_get(), ms_to_ktime(delay_ms));
 		port->delay_ms = delay_ms;
 	} else {
-		tcpm_log(port, "state change %s -> %s",
-			 tcpm_states[port->state], tcpm_states[state]);
+		tcpm_log(port, "state change %s -> %s [%s %s]",
+			 tcpm_states[port->state], tcpm_states[state],
+			 pd_rev[port->negotiated_rev], tcpm_ams_str[port->ams]);
 		port->delayed_state = INVALID_STATE;
 		port->prev_state = port->state;
 		port->state = state;
@@ -1038,10 +1286,11 @@
 		tcpm_set_state(port, state, delay_ms);
 	else
 		tcpm_log(port,
-			 "skipped %sstate change %s -> %s [%u ms], context state %s",
+			 "skipped %sstate change %s -> %s [%u ms], context state %s [%s %s]",
 			 delay_ms ? "delayed " : "",
 			 tcpm_states[port->state], tcpm_states[state],
-			 delay_ms, tcpm_states[port->enter_state]);
+			 delay_ms, tcpm_states[port->enter_state],
+			 pd_rev[port->negotiated_rev], tcpm_ams_str[port->ams]);
 }
 
 static void tcpm_queue_message(struct tcpm_port *port,
@@ -1051,16 +1300,167 @@
 	mod_tcpm_delayed_work(port, 0);
 }
 
+static bool tcpm_vdm_ams(struct tcpm_port *port)
+{
+	switch (port->ams) {
+	case DISCOVER_IDENTITY:
+	case SOURCE_STARTUP_CABLE_PLUG_DISCOVER_IDENTITY:
+	case DISCOVER_SVIDS:
+	case DISCOVER_MODES:
+	case DFP_TO_UFP_ENTER_MODE:
+	case DFP_TO_UFP_EXIT_MODE:
+	case DFP_TO_CABLE_PLUG_ENTER_MODE:
+	case DFP_TO_CABLE_PLUG_EXIT_MODE:
+	case ATTENTION:
+	case UNSTRUCTURED_VDMS:
+	case STRUCTURED_VDMS:
+		break;
+	default:
+		return false;
+	}
+
+	return true;
+}
+
+static bool tcpm_ams_interruptible(struct tcpm_port *port)
+{
+	switch (port->ams) {
+	/* Interruptible AMS */
+	case NONE_AMS:
+	case SECURITY:
+	case FIRMWARE_UPDATE:
+	case DISCOVER_IDENTITY:
+	case SOURCE_STARTUP_CABLE_PLUG_DISCOVER_IDENTITY:
+	case DISCOVER_SVIDS:
+	case DISCOVER_MODES:
+	case DFP_TO_UFP_ENTER_MODE:
+	case DFP_TO_UFP_EXIT_MODE:
+	case DFP_TO_CABLE_PLUG_ENTER_MODE:
+	case DFP_TO_CABLE_PLUG_EXIT_MODE:
+	case UNSTRUCTURED_VDMS:
+	case STRUCTURED_VDMS:
+	case COUNTRY_INFO:
+	case COUNTRY_CODES:
+		break;
+	/* Non-Interruptible AMS */
+	default:
+		if (port->in_ams)
+			return false;
+		break;
+	}
+
+	return true;
+}
+
+static int tcpm_ams_start(struct tcpm_port *port, enum tcpm_ams ams)
+{
+	int ret = 0;
+
+	tcpm_log(port, "AMS %s start", tcpm_ams_str[ams]);
+
+	if (!tcpm_ams_interruptible(port) &&
+	    !(ams == HARD_RESET || ams == SOFT_RESET_AMS)) {
+		port->upcoming_state = INVALID_STATE;
+		tcpm_log(port, "AMS %s not interruptible, aborting",
+			 tcpm_ams_str[port->ams]);
+		return -EAGAIN;
+	}
+
+	if (port->pwr_role == TYPEC_SOURCE) {
+		enum typec_cc_status cc_req = port->cc_req;
+
+		port->ams = ams;
+
+		if (ams == HARD_RESET) {
+			tcpm_set_cc(port, tcpm_rp_cc(port));
+			tcpm_pd_transmit(port, TCPC_TX_HARD_RESET, NULL);
+			tcpm_set_state(port, HARD_RESET_START, 0);
+			return ret;
+		} else if (ams == SOFT_RESET_AMS) {
+			if (!port->explicit_contract)
+				tcpm_set_cc(port, tcpm_rp_cc(port));
+			tcpm_set_state(port, SOFT_RESET_SEND, 0);
+			return ret;
+		} else if (tcpm_vdm_ams(port)) {
+			/* tSinkTx is enforced in vdm_run_state_machine */
+			if (port->negotiated_rev >= PD_REV30)
+				tcpm_set_cc(port, SINK_TX_NG);
+			return ret;
+		}
+
+		if (port->negotiated_rev >= PD_REV30)
+			tcpm_set_cc(port, SINK_TX_NG);
+
+		switch (port->state) {
+		case SRC_READY:
+		case SRC_STARTUP:
+		case SRC_SOFT_RESET_WAIT_SNK_TX:
+		case SOFT_RESET:
+		case SOFT_RESET_SEND:
+			if (port->negotiated_rev >= PD_REV30)
+				tcpm_set_state(port, AMS_START,
+					       cc_req == SINK_TX_OK ?
+					       PD_T_SINK_TX : 0);
+			else
+				tcpm_set_state(port, AMS_START, 0);
+			break;
+		default:
+			if (port->negotiated_rev >= PD_REV30)
+				tcpm_set_state(port, SRC_READY,
+					       cc_req == SINK_TX_OK ?
+					       PD_T_SINK_TX : 0);
+			else
+				tcpm_set_state(port, SRC_READY, 0);
+			break;
+		}
+	} else {
+		if (port->negotiated_rev >= PD_REV30 &&
+		    !tcpm_sink_tx_ok(port) &&
+		    ams != SOFT_RESET_AMS &&
+		    ams != HARD_RESET) {
+			port->upcoming_state = INVALID_STATE;
+			tcpm_log(port, "Sink TX No Go");
+			return -EAGAIN;
+		}
+
+		port->ams = ams;
+
+		if (ams == HARD_RESET) {
+			tcpm_pd_transmit(port, TCPC_TX_HARD_RESET, NULL);
+			tcpm_set_state(port, HARD_RESET_START, 0);
+			return ret;
+		} else if (tcpm_vdm_ams(port)) {
+			return ret;
+		}
+
+		if (port->state == SNK_READY ||
+		    port->state == SNK_SOFT_RESET)
+			tcpm_set_state(port, AMS_START, 0);
+		else
+			tcpm_set_state(port, SNK_READY, 0);
+	}
+
+	return ret;
+}
+
 /*
  * VDM/VDO handling functions
  */
 static void tcpm_queue_vdm(struct tcpm_port *port, const u32 header,
 			   const u32 *data, int cnt)
 {
+	u32 vdo_hdr = port->vdo_data[0];
+
 	WARN_ON(!mutex_is_locked(&port->lock));
 
-	/* Make sure we are not still processing a previous VDM packet */
-	WARN_ON(port->vdm_state > VDM_STATE_DONE);
+	/* If is sending discover_identity, handle received message first */
+	if (PD_VDO_SVDM(vdo_hdr) && PD_VDO_CMD(vdo_hdr) == CMD_DISCOVER_IDENT) {
+		port->send_discover = true;
+		mod_send_discover_delayed_work(port, SEND_DISCOVER_RETRY_MS);
+	} else {
+		/* Make sure we are not still processing a previous VDM packet */
+		WARN_ON(port->vdm_state > VDM_STATE_DONE);
+	}
 
 	port->vdo_count = cnt + 1;
 	port->vdo_data[0] = header;
@@ -1068,6 +1468,7 @@
 	/* Set ready, vdm state machine will actually send */
 	port->vdm_retries = 0;
 	port->vdm_state = VDM_STATE_READY;
+	port->vdm_sm_running = true;
 
 	mod_vdm_delayed_work(port, 0);
 }
@@ -1197,8 +1598,10 @@
 			const u32 *p, int cnt, u32 *response,
 			enum adev_actions *adev_action)
 {
+	struct typec_port *typec = port->typec_port;
 	struct typec_altmode *pdev;
 	struct pd_mode_data *modep;
+	int svdm_version;
 	int rlen = 0;
 	int cmd_type;
 	int cmd;
@@ -1215,25 +1618,54 @@
 	pdev = typec_match_altmode(port->partner_altmode, ALTMODE_DISCOVERY_MAX,
 				   PD_VDO_VID(p[0]), PD_VDO_OPOS(p[0]));
 
+	svdm_version = typec_get_negotiated_svdm_version(typec);
+	if (svdm_version < 0)
+		return 0;
+
 	switch (cmd_type) {
 	case CMDT_INIT:
 		switch (cmd) {
 		case CMD_DISCOVER_IDENT:
-			/* 6.4.4.3.1: Only respond as UFP (device) */
-			if (port->data_role == TYPEC_DEVICE &&
+			if (PD_VDO_VID(p[0]) != USB_SID_PD)
+				break;
+
+			if (PD_VDO_SVDM_VER(p[0]) < svdm_version) {
+				typec_partner_set_svdm_version(port->partner,
+							       PD_VDO_SVDM_VER(p[0]));
+				svdm_version = PD_VDO_SVDM_VER(p[0]);
+			}
+
+			port->ams = DISCOVER_IDENTITY;
+			/*
+			 * PD2.0 Spec 6.10.3: respond with NAK as DFP (data host)
+			 * PD3.1 Spec 6.4.4.2.5.1: respond with NAK if "invalid field" or
+			 * "wrong configuation" or "Unrecognized"
+			 */
+			if ((port->data_role == TYPEC_DEVICE || svdm_version >= SVDM_VER_2_0) &&
 			    port->nr_snk_vdo) {
-				for (i = 0; i <  port->nr_snk_vdo; i++)
-					response[i + 1] = port->snk_vdo[i];
-				rlen = port->nr_snk_vdo + 1;
+				if (svdm_version < SVDM_VER_2_0) {
+					for (i = 0; i < port->nr_snk_vdo_v1; i++)
+						response[i + 1] = port->snk_vdo_v1[i];
+					rlen = port->nr_snk_vdo_v1 + 1;
+
+				} else {
+					for (i = 0; i < port->nr_snk_vdo; i++)
+						response[i + 1] = port->snk_vdo[i];
+					rlen = port->nr_snk_vdo + 1;
+				}
 			}
 			break;
 		case CMD_DISCOVER_SVID:
+			port->ams = DISCOVER_SVIDS;
 			break;
 		case CMD_DISCOVER_MODES:
+			port->ams = DISCOVER_MODES;
 			break;
 		case CMD_ENTER_MODE:
+			port->ams = DFP_TO_UFP_ENTER_MODE;
 			break;
 		case CMD_EXIT_MODE:
+			port->ams = DFP_TO_UFP_EXIT_MODE;
 			break;
 		case CMD_ATTENTION:
 			/* Attention command does not have response */
@@ -1251,27 +1683,34 @@
 			response[0] = p[0] | VDO_CMDT(CMDT_RSP_BUSY);
 			rlen = 1;
 		}
+		response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+			      (VDO_SVDM_VERS(typec_get_negotiated_svdm_version(typec)));
 		break;
 	case CMDT_RSP_ACK:
 		/* silently drop message if we are not connected */
 		if (IS_ERR_OR_NULL(port->partner))
 			break;
 
+		tcpm_ams_finish(port);
+
 		switch (cmd) {
 		case CMD_DISCOVER_IDENT:
+			if (PD_VDO_SVDM_VER(p[0]) < svdm_version)
+				typec_partner_set_svdm_version(port->partner,
+							       PD_VDO_SVDM_VER(p[0]));
 			/* 6.4.4.3.1 */
 			svdm_consume_identity(port, p, cnt);
-			response[0] = VDO(USB_SID_PD, 1, CMD_DISCOVER_SVID);
+			response[0] = VDO(USB_SID_PD, 1, typec_get_negotiated_svdm_version(typec),
+					  CMD_DISCOVER_SVID);
 			rlen = 1;
 			break;
 		case CMD_DISCOVER_SVID:
 			/* 6.4.4.3.2 */
 			if (svdm_consume_svids(port, p, cnt)) {
-				response[0] = VDO(USB_SID_PD, 1,
-						  CMD_DISCOVER_SVID);
+				response[0] = VDO(USB_SID_PD, 1, svdm_version, CMD_DISCOVER_SVID);
 				rlen = 1;
 			} else if (modep->nsvids && supports_modal(port)) {
-				response[0] = VDO(modep->svids[0], 1,
+				response[0] = VDO(modep->svids[0], 1, svdm_version,
 						  CMD_DISCOVER_MODES);
 				rlen = 1;
 			}
@@ -1282,7 +1721,7 @@
 			modep->svid_index++;
 			if (modep->svid_index < modep->nsvids) {
 				u16 svid = modep->svids[modep->svid_index];
-				response[0] = VDO(svid, 1, CMD_DISCOVER_MODES);
+				response[0] = VDO(svid, 1, svdm_version, CMD_DISCOVER_MODES);
 				rlen = 1;
 			} else {
 				tcpm_register_partner_altmodes(port);
@@ -1302,21 +1741,43 @@
 				return 0;
 			}
 			break;
+		case VDO_CMD_VENDOR(0) ... VDO_CMD_VENDOR(15):
+			break;
 		default:
+			/* Unrecognized SVDM */
+			response[0] = p[0] | VDO_CMDT(CMDT_RSP_NAK);
+			rlen = 1;
+			response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+				      (VDO_SVDM_VERS(svdm_version));
 			break;
 		}
 		break;
 	case CMDT_RSP_NAK:
+		tcpm_ams_finish(port);
 		switch (cmd) {
+		case CMD_DISCOVER_IDENT:
+		case CMD_DISCOVER_SVID:
+		case CMD_DISCOVER_MODES:
+		case VDO_CMD_VENDOR(0) ... VDO_CMD_VENDOR(15):
+			break;
 		case CMD_ENTER_MODE:
 			/* Back to USB Operation */
 			*adev_action = ADEV_NOTIFY_USB_AND_QUEUE_VDM;
 			return 0;
 		default:
+			/* Unrecognized SVDM */
+			response[0] = p[0] | VDO_CMDT(CMDT_RSP_NAK);
+			rlen = 1;
+			response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+				      (VDO_SVDM_VERS(svdm_version));
 			break;
 		}
 		break;
 	default:
+		response[0] = p[0] | VDO_CMDT(CMDT_RSP_NAK);
+		rlen = 1;
+		response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+			      (VDO_SVDM_VERS(svdm_version));
 		break;
 	}
 
@@ -1325,6 +1786,10 @@
 	return rlen;
 }
 
+static void tcpm_pd_handle_msg(struct tcpm_port *port,
+			       enum pd_msg_request message,
+			       enum tcpm_ams ams);
+
 static void tcpm_handle_vdm_request(struct tcpm_port *port,
 				    const __le32 *payload, int cnt)
 {
@@ -1352,8 +1817,26 @@
 		port->vdm_state = VDM_STATE_DONE;
 	}
 
-	if (PD_VDO_SVDM(p[0]))
+	if (PD_VDO_SVDM(p[0]) && (adev || tcpm_vdm_ams(port) || port->nr_snk_vdo)) {
+		/*
+		 * Here a SVDM is received (INIT or RSP or unknown). Set the vdm_sm_running in
+		 * advance because we are dropping the lock but may send VDMs soon.
+		 * For the cases of INIT received:
+		 *  - If no response to send, it will be cleared later in this function.
+		 *  - If there are responses to send, it will be cleared in the state machine.
+		 * For the cases of RSP received:
+		 *  - If no further INIT to send, it will be cleared later in this function.
+		 *  - Otherwise, it will be cleared in the state machine if timeout or it will go
+		 *    back here until no further INIT to send.
+		 * For the cases of unknown type received:
+		 *  - We will send NAK and the flag will be cleared in the state machine.
+		 */
+		port->vdm_sm_running = true;
 		rlen = tcpm_pd_svdm(port, adev, p, cnt, response, &adev_action);
+	} else {
+		if (port->negotiated_rev >= PD_REV30)
+			tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
+	}
 
 	/*
 	 * We are done with any state stored in the port struct now, except
@@ -1389,7 +1872,13 @@
 			break;
 		case ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL:
 			if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) {
-				response[0] = VDO(adev->svid, 1, CMD_EXIT_MODE);
+				int svdm_version = typec_get_negotiated_svdm_version(
+									port->typec_port);
+				if (svdm_version < 0)
+					break;
+
+				response[0] = VDO(adev->svid, 1, svdm_version,
+						  CMD_EXIT_MODE);
 				response[0] |= VDO_OPOS(adev->mode);
 				rlen = 1;
 			}
@@ -1412,19 +1901,26 @@
 
 	if (rlen > 0)
 		tcpm_queue_vdm(port, response[0], &response[1], rlen - 1);
+	else
+		port->vdm_sm_running = false;
 }
 
 static void tcpm_send_vdm(struct tcpm_port *port, u32 vid, int cmd,
 			  const u32 *data, int count)
 {
+	int svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
 	u32 header;
 
+	if (svdm_version < 0)
+		return;
+
 	if (WARN_ON(count > VDO_MAX_SIZE - 1))
 		count = VDO_MAX_SIZE - 1;
 
 	/* set VDM header with VID & CMD */
 	header = VDO(vid, ((vid & USB_SID_PD) == USB_SID_PD) ?
-			1 : (PD_VDO_CMD(cmd) <= CMD_ATTENTION), cmd);
+			1 : (PD_VDO_CMD(cmd) <= CMD_ATTENTION),
+			svdm_version, cmd);
 	tcpm_queue_vdm(port, header, data, count);
 }
 
@@ -1457,7 +1953,8 @@
 static void vdm_run_state_machine(struct tcpm_port *port)
 {
 	struct pd_message msg;
-	int i, res;
+	int i, res = 0;
+	u32 vdo_hdr = port->vdo_data[0];
 
 	switch (port->vdm_state) {
 	case VDM_STATE_READY:
@@ -1471,9 +1968,89 @@
 		 * if there's traffic or we're not in PDO ready state don't send
 		 * a VDM.
 		 */
-		if (port->state != SRC_READY && port->state != SNK_READY)
+		if (port->state != SRC_READY && port->state != SNK_READY) {
+			port->vdm_sm_running = false;
 			break;
+		}
 
+		/* TODO: AMS operation for Unstructured VDM */
+		if (PD_VDO_SVDM(vdo_hdr) && PD_VDO_CMDT(vdo_hdr) == CMDT_INIT) {
+			switch (PD_VDO_CMD(vdo_hdr)) {
+			case CMD_DISCOVER_IDENT:
+				res = tcpm_ams_start(port, DISCOVER_IDENTITY);
+				if (res == 0) {
+					port->send_discover = false;
+				} else if (res == -EAGAIN) {
+					port->vdo_data[0] = 0;
+					mod_send_discover_delayed_work(port,
+								       SEND_DISCOVER_RETRY_MS);
+				}
+				break;
+			case CMD_DISCOVER_SVID:
+				res = tcpm_ams_start(port, DISCOVER_SVIDS);
+				break;
+			case CMD_DISCOVER_MODES:
+				res = tcpm_ams_start(port, DISCOVER_MODES);
+				break;
+			case CMD_ENTER_MODE:
+				res = tcpm_ams_start(port, DFP_TO_UFP_ENTER_MODE);
+				break;
+			case CMD_EXIT_MODE:
+				res = tcpm_ams_start(port, DFP_TO_UFP_EXIT_MODE);
+				break;
+			case CMD_ATTENTION:
+				res = tcpm_ams_start(port, ATTENTION);
+				break;
+			case VDO_CMD_VENDOR(0) ... VDO_CMD_VENDOR(15):
+				res = tcpm_ams_start(port, STRUCTURED_VDMS);
+				break;
+			default:
+				res = -EOPNOTSUPP;
+				break;
+			}
+
+			if (res < 0) {
+				port->vdm_state = VDM_STATE_ERR_BUSY;
+				return;
+			}
+		}
+
+		port->vdm_state = VDM_STATE_SEND_MESSAGE;
+		mod_vdm_delayed_work(port, (port->negotiated_rev >= PD_REV30 &&
+					    port->pwr_role == TYPEC_SOURCE &&
+					    PD_VDO_SVDM(vdo_hdr) &&
+					    PD_VDO_CMDT(vdo_hdr) == CMDT_INIT) ?
+					   PD_T_SINK_TX : 0);
+		break;
+	case VDM_STATE_WAIT_RSP_BUSY:
+		port->vdo_data[0] = port->vdo_retry;
+		port->vdo_count = 1;
+		port->vdm_state = VDM_STATE_READY;
+		tcpm_ams_finish(port);
+		break;
+	case VDM_STATE_BUSY:
+		port->vdm_state = VDM_STATE_ERR_TMOUT;
+		if (port->ams != NONE_AMS)
+			tcpm_ams_finish(port);
+		break;
+	case VDM_STATE_ERR_SEND:
+		/*
+		 * A partner which does not support USB PD will not reply,
+		 * so this is not a fatal error. At the same time, some
+		 * devices may not return GoodCRC under some circumstances,
+		 * so we need to retry.
+		 */
+		if (port->vdm_retries < 3) {
+			tcpm_log(port, "VDM Tx error, retry");
+			port->vdm_retries++;
+			port->vdm_state = VDM_STATE_READY;
+			if (PD_VDO_SVDM(vdo_hdr) && PD_VDO_CMDT(vdo_hdr) == CMDT_INIT)
+				tcpm_ams_finish(port);
+		} else {
+			tcpm_ams_finish(port);
+		}
+		break;
+	case VDM_STATE_SEND_MESSAGE:
 		/* Prepare and send VDM */
 		memset(&msg, 0, sizeof(msg));
 		msg.header = PD_HEADER_LE(PD_DATA_VENDOR_DEF,
@@ -1490,32 +2067,12 @@
 			unsigned long timeout;
 
 			port->vdm_retries = 0;
+			port->vdo_data[0] = 0;
 			port->vdm_state = VDM_STATE_BUSY;
-			timeout = vdm_ready_timeout(port->vdo_data[0]);
+			timeout = vdm_ready_timeout(vdo_hdr);
 			mod_vdm_delayed_work(port, timeout);
 		}
 		break;
-	case VDM_STATE_WAIT_RSP_BUSY:
-		port->vdo_data[0] = port->vdo_retry;
-		port->vdo_count = 1;
-		port->vdm_state = VDM_STATE_READY;
-		break;
-	case VDM_STATE_BUSY:
-		port->vdm_state = VDM_STATE_ERR_TMOUT;
-		break;
-	case VDM_STATE_ERR_SEND:
-		/*
-		 * A partner which does not support USB PD will not reply,
-		 * so this is not a fatal error. At the same time, some
-		 * devices may not return GoodCRC under some circumstances,
-		 * so we need to retry.
-		 */
-		if (port->vdm_retries < 3) {
-			tcpm_log(port, "VDM Tx error, retry");
-			port->vdm_retries++;
-			port->vdm_state = VDM_STATE_READY;
-		}
-		break;
 	default:
 		break;
 	}
@@ -1536,7 +2093,11 @@
 		prev_state = port->vdm_state;
 		vdm_run_state_machine(port);
 	} while (port->vdm_state != prev_state &&
-		 port->vdm_state != VDM_STATE_BUSY);
+		 port->vdm_state != VDM_STATE_BUSY &&
+		 port->vdm_state != VDM_STATE_SEND_MESSAGE);
+
+	if (port->vdm_state < VDM_STATE_READY)
+		port->vdm_sm_running = false;
 
 	mutex_unlock(&port->lock);
 }
@@ -1664,9 +2225,14 @@
 static int tcpm_altmode_enter(struct typec_altmode *altmode, u32 *vdo)
 {
 	struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
+	int svdm_version;
 	u32 header;
 
-	header = VDO(altmode->svid, vdo ? 2 : 1, CMD_ENTER_MODE);
+	svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
+	if (svdm_version < 0)
+		return svdm_version;
+
+	header = VDO(altmode->svid, vdo ? 2 : 1, svdm_version, CMD_ENTER_MODE);
 	header |= VDO_OPOS(altmode->mode);
 
 	tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0);
@@ -1676,9 +2242,14 @@
 static int tcpm_altmode_exit(struct typec_altmode *altmode)
 {
 	struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
+	int svdm_version;
 	u32 header;
 
-	header = VDO(altmode->svid, 1, CMD_EXIT_MODE);
+	svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
+	if (svdm_version < 0)
+		return svdm_version;
+
+	header = VDO(altmode->svid, 1, svdm_version, CMD_EXIT_MODE);
 	header |= VDO_OPOS(altmode->mode);
 
 	tcpm_queue_vdm_unlocked(port, header, NULL, 0);
@@ -1723,20 +2294,108 @@
 
 	if (!type) {
 		tcpm_log(port, "Alert message received with no type");
+		tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
 		return;
 	}
 
 	/* Just handling non-battery alerts for now */
 	if (!(type & USB_PD_ADO_TYPE_BATT_STATUS_CHANGE)) {
-		switch (port->state) {
-		case SRC_READY:
-		case SNK_READY:
+		if (port->pwr_role == TYPEC_SOURCE) {
+			port->upcoming_state = GET_STATUS_SEND;
+			tcpm_ams_start(port, GETTING_SOURCE_SINK_STATUS);
+		} else {
+			/*
+			 * Do not check SinkTxOk here in case the Source doesn't set its Rp to
+			 * SinkTxOk in time.
+			 */
+			port->ams = GETTING_SOURCE_SINK_STATUS;
 			tcpm_set_state(port, GET_STATUS_SEND, 0);
-			break;
-		default:
-			tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
-			break;
 		}
+	} else {
+		tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+	}
+}
+
+static int tcpm_set_auto_vbus_discharge_threshold(struct tcpm_port *port,
+						  enum typec_pwr_opmode mode, bool pps_active,
+						  u32 requested_vbus_voltage)
+{
+	int ret;
+
+	if (!port->tcpc->set_auto_vbus_discharge_threshold)
+		return 0;
+
+	ret = port->tcpc->set_auto_vbus_discharge_threshold(port->tcpc, mode, pps_active,
+							    requested_vbus_voltage);
+	tcpm_log_force(port,
+		       "set_auto_vbus_discharge_threshold mode:%d pps_active:%c vbus:%u ret:%d",
+		       mode, pps_active ? 'y' : 'n', requested_vbus_voltage, ret);
+
+	return ret;
+}
+
+static void tcpm_pd_handle_state(struct tcpm_port *port,
+				 enum tcpm_state state,
+				 enum tcpm_ams ams,
+				 unsigned int delay_ms)
+{
+	switch (port->state) {
+	case SRC_READY:
+	case SNK_READY:
+		port->ams = ams;
+		tcpm_set_state(port, state, delay_ms);
+		break;
+	/* 8.3.3.4.1.1 and 6.8.1 power transitioning */
+	case SNK_TRANSITION_SINK:
+	case SNK_TRANSITION_SINK_VBUS:
+	case SRC_TRANSITION_SUPPLY:
+		tcpm_set_state(port, HARD_RESET_SEND, 0);
+		break;
+	default:
+		if (!tcpm_ams_interruptible(port)) {
+			tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ?
+				       SRC_SOFT_RESET_WAIT_SNK_TX :
+				       SNK_SOFT_RESET,
+				       0);
+		} else {
+			/* process the Message 6.8.1 */
+			port->upcoming_state = state;
+			port->next_ams = ams;
+			tcpm_set_state(port, ready_state(port), delay_ms);
+		}
+		break;
+	}
+}
+
+static void tcpm_pd_handle_msg(struct tcpm_port *port,
+			       enum pd_msg_request message,
+			       enum tcpm_ams ams)
+{
+	switch (port->state) {
+	case SRC_READY:
+	case SNK_READY:
+		port->ams = ams;
+		tcpm_queue_message(port, message);
+		break;
+	/* PD 3.0 Spec 8.3.3.4.1.1 and 6.8.1 */
+	case SNK_TRANSITION_SINK:
+	case SNK_TRANSITION_SINK_VBUS:
+	case SRC_TRANSITION_SUPPLY:
+		tcpm_set_state(port, HARD_RESET_SEND, 0);
+		break;
+	default:
+		if (!tcpm_ams_interruptible(port)) {
+			tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ?
+				       SRC_SOFT_RESET_WAIT_SNK_TX :
+				       SNK_SOFT_RESET,
+				       0);
+		} else {
+			port->next_ams = ams;
+			tcpm_set_state(port, ready_state(port), 0);
+			/* 6.8.1 process the Message */
+			tcpm_queue_message(port, message);
+		}
+		break;
 	}
 }
 
@@ -1747,15 +2406,18 @@
 	unsigned int cnt = pd_header_cnt_le(msg->header);
 	unsigned int rev = pd_header_rev_le(msg->header);
 	unsigned int i;
-	enum frs_typec_current frs_current;
+	enum frs_typec_current partner_frs_current;
 	bool frs_enable;
 	int ret;
 
+	if (tcpm_vdm_ams(port) && type != PD_DATA_VENDOR_DEF) {
+		port->vdm_state = VDM_STATE_ERR_BUSY;
+		tcpm_ams_finish(port);
+		mod_vdm_delayed_work(port, 0);
+	}
+
 	switch (type) {
 	case PD_DATA_SOURCE_CAP:
-		if (port->pwr_role != TYPEC_SINK)
-			break;
-
 		for (i = 0; i < cnt; i++)
 			port->source_caps[i] = le32_to_cpu(msg->payload[i]);
 
@@ -1766,17 +2428,34 @@
 		tcpm_validate_caps(port, port->source_caps,
 				   port->nr_source_caps);
 
+		trace_android_vh_typec_store_partner_src_caps(port, &port->nr_source_caps,
+							      &port->source_caps);
+
 		/*
 		 * Adjust revision in subsequent message headers, as required,
 		 * to comply with 6.2.1.1.5 of the USB PD 3.0 spec. We don't
 		 * support Rev 1.0 so just do nothing in that scenario.
 		 */
-		if (rev == PD_REV10)
+		if (rev == PD_REV10) {
+			if (port->ams == GET_SOURCE_CAPABILITIES)
+				tcpm_ams_finish(port);
 			break;
+		}
 
 		if (rev < PD_MAX_REV)
 			port->negotiated_rev = rev;
 
+		if (port->pwr_role == TYPEC_SOURCE) {
+			if (port->ams == GET_SOURCE_CAPABILITIES)
+				tcpm_pd_handle_state(port, SRC_READY, NONE_AMS, 0);
+			/* Unexpected Source Capabilities */
+			else
+				tcpm_pd_handle_msg(port,
+						   port->negotiated_rev < PD_REV30 ?
+						   PD_MSG_CTRL_REJECT :
+						   PD_MSG_CTRL_NOT_SUPP,
+						   NONE_AMS);
+		} else if (port->state == SNK_WAIT_CAPABILITIES) {
 		/*
 		 * This message may be received even if VBUS is not
 		 * present. This is quite unexpected; see USB PD
@@ -1790,42 +2469,68 @@
 		 * but be prepared to keep waiting for VBUS after it was
 		 * handled.
 		 */
-		tcpm_set_state(port, SNK_NEGOTIATE_CAPABILITIES, 0);
+			port->ams = POWER_NEGOTIATION;
+			port->in_ams = true;
+			tcpm_set_state(port, SNK_NEGOTIATE_CAPABILITIES, 0);
+		} else {
+			if (port->ams == GET_SOURCE_CAPABILITIES)
+				tcpm_ams_finish(port);
+			tcpm_pd_handle_state(port, SNK_NEGOTIATE_CAPABILITIES,
+					     POWER_NEGOTIATION, 0);
+		}
 		break;
 	case PD_DATA_REQUEST:
-		if (port->pwr_role != TYPEC_SOURCE ||
-		    cnt != 1) {
-			tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
-			break;
-		}
-
 		/*
 		 * Adjust revision in subsequent message headers, as required,
 		 * to comply with 6.2.1.1.5 of the USB PD 3.0 spec. We don't
 		 * support Rev 1.0 so just reject in that scenario.
 		 */
 		if (rev == PD_REV10) {
-			tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
+			tcpm_pd_handle_msg(port,
+					   port->negotiated_rev < PD_REV30 ?
+					   PD_MSG_CTRL_REJECT :
+					   PD_MSG_CTRL_NOT_SUPP,
+					   NONE_AMS);
 			break;
 		}
 
 		if (rev < PD_MAX_REV)
 			port->negotiated_rev = rev;
 
+		if (port->pwr_role != TYPEC_SOURCE || cnt != 1) {
+			tcpm_pd_handle_msg(port,
+					   port->negotiated_rev < PD_REV30 ?
+					   PD_MSG_CTRL_REJECT :
+					   PD_MSG_CTRL_NOT_SUPP,
+					   NONE_AMS);
+			break;
+		}
+
 		port->sink_request = le32_to_cpu(msg->payload[0]);
-		tcpm_set_state(port, SRC_NEGOTIATE_CAPABILITIES, 0);
+
+		if (port->vdm_sm_running && port->explicit_contract) {
+			tcpm_pd_handle_msg(port, PD_MSG_CTRL_WAIT, port->ams);
+			break;
+		}
+
+		if (port->state == SRC_SEND_CAPABILITIES)
+			tcpm_set_state(port, SRC_NEGOTIATE_CAPABILITIES, 0);
+		else
+			tcpm_pd_handle_state(port, SRC_NEGOTIATE_CAPABILITIES,
+					     POWER_NEGOTIATION, 0);
 		break;
 	case PD_DATA_SINK_CAP:
 		/* We don't do anything with this at the moment... */
 		for (i = 0; i < cnt; i++)
 			port->sink_caps[i] = le32_to_cpu(msg->payload[i]);
 
-		frs_current = (port->sink_caps[0] & PDO_FIXED_FRS_CURR_MASK) >>
+		partner_frs_current = (port->sink_caps[0] & PDO_FIXED_FRS_CURR_MASK) >>
 			PDO_FIXED_FRS_CURR_SHIFT;
-		frs_enable = frs_current && (frs_current <= port->frs_current);
+		frs_enable = partner_frs_current && (partner_frs_current <=
+						     port->new_source_frs_current);
 		tcpm_log(port,
 			 "Port partner FRS capable partner_frs_current:%u port_frs_current:%u enable:%c",
-			 frs_current, port->frs_current, frs_enable ? 'y' : 'n');
+			 partner_frs_current, port->new_source_frs_current, frs_enable ? 'y' : 'n');
 		if (frs_enable) {
 			ret  = port->tcpc->enable_frs(port->tcpc, true);
 			tcpm_log(port, "Enable FRS %s, ret:%d\n", ret ? "fail" : "success", ret);
@@ -1833,27 +2538,45 @@
 
 		port->nr_sink_caps = cnt;
 		port->sink_cap_done = true;
-		tcpm_set_state(port, SNK_READY, 0);
+		if (port->ams == GET_SINK_CAPABILITIES)
+			tcpm_set_state(port, ready_state(port), 0);
+		/* Unexpected Sink Capabilities */
+		else
+			tcpm_pd_handle_msg(port,
+					   port->negotiated_rev < PD_REV30 ?
+					   PD_MSG_CTRL_REJECT :
+					   PD_MSG_CTRL_NOT_SUPP,
+					   NONE_AMS);
 		break;
 	case PD_DATA_VENDOR_DEF:
 		tcpm_handle_vdm_request(port, msg->payload, cnt);
 		break;
 	case PD_DATA_BIST:
-		if (port->state == SRC_READY || port->state == SNK_READY) {
-			port->bist_request = le32_to_cpu(msg->payload[0]);
-			tcpm_set_state(port, BIST_RX, 0);
-		}
+		port->bist_request = le32_to_cpu(msg->payload[0]);
+		tcpm_pd_handle_state(port, BIST_RX, BIST, 0);
 		break;
 	case PD_DATA_ALERT:
-		tcpm_handle_alert(port, msg->payload, cnt);
+		if (port->state != SRC_READY && port->state != SNK_READY)
+			tcpm_pd_handle_state(port, port->pwr_role == TYPEC_SOURCE ?
+					     SRC_SOFT_RESET_WAIT_SNK_TX : SNK_SOFT_RESET,
+					     NONE_AMS, 0);
+		else
+			tcpm_handle_alert(port, msg->payload, cnt);
 		break;
 	case PD_DATA_BATT_STATUS:
 	case PD_DATA_GET_COUNTRY_INFO:
 		/* Currently unsupported */
-		tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+		tcpm_pd_handle_msg(port, port->negotiated_rev < PD_REV30 ?
+				   PD_MSG_CTRL_REJECT :
+				   PD_MSG_CTRL_NOT_SUPP,
+				   NONE_AMS);
 		break;
 	default:
-		tcpm_log(port, "Unhandled data message type %#x", type);
+		tcpm_pd_handle_msg(port, port->negotiated_rev < PD_REV30 ?
+				   PD_MSG_CTRL_REJECT :
+				   PD_MSG_CTRL_NOT_SUPP,
+				   NONE_AMS);
+		tcpm_log(port, "Unrecognized data message type %#x", type);
 		break;
 	}
 }
@@ -1873,31 +2596,25 @@
 	enum pd_ctrl_msg_type type = pd_header_type_le(msg->header);
 	enum tcpm_state next_state;
 
+	/*
+	 * Stop VDM state machine if interrupted by other Messages while NOT_SUPP is allowed in
+	 * VDM AMS if waiting for VDM responses and will be handled later.
+	 */
+	if (tcpm_vdm_ams(port) && type != PD_CTRL_NOT_SUPP && type != PD_CTRL_GOOD_CRC) {
+		port->vdm_state = VDM_STATE_ERR_BUSY;
+		tcpm_ams_finish(port);
+		mod_vdm_delayed_work(port, 0);
+	}
+
 	switch (type) {
 	case PD_CTRL_GOOD_CRC:
 	case PD_CTRL_PING:
 		break;
 	case PD_CTRL_GET_SOURCE_CAP:
-		switch (port->state) {
-		case SRC_READY:
-		case SNK_READY:
-			tcpm_queue_message(port, PD_MSG_DATA_SOURCE_CAP);
-			break;
-		default:
-			tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
-			break;
-		}
+		tcpm_pd_handle_msg(port, PD_MSG_DATA_SOURCE_CAP, GET_SOURCE_CAPABILITIES);
 		break;
 	case PD_CTRL_GET_SINK_CAP:
-		switch (port->state) {
-		case SRC_READY:
-		case SNK_READY:
-			tcpm_queue_message(port, PD_MSG_DATA_SINK_CAP);
-			break;
-		default:
-			tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
-			break;
-		}
+		tcpm_pd_handle_msg(port, PD_MSG_DATA_SINK_CAP, GET_SINK_CAPABILITIES);
 		break;
 	case PD_CTRL_GOTO_MIN:
 		break;
@@ -1909,6 +2626,10 @@
 						       port->req_current_limit,
 						       port->req_supply_voltage);
 				port->explicit_contract = true;
+				tcpm_set_auto_vbus_discharge_threshold(port,
+								       TYPEC_PWR_MODE_PD,
+								       port->pps_data.active,
+								       port->supply_voltage);
 				tcpm_set_state(port, SNK_READY, 0);
 			} else {
 				/*
@@ -1932,6 +2653,11 @@
 			tcpm_set_state(port, FR_SWAP_SNK_SRC_NEW_SINK_READY, 0);
 			break;
 		default:
+			tcpm_pd_handle_state(port,
+					     port->pwr_role == TYPEC_SOURCE ?
+					     SRC_SOFT_RESET_WAIT_SNK_TX :
+					     SNK_SOFT_RESET,
+					     NONE_AMS, 0);
 			break;
 		}
 		break;
@@ -1945,6 +2671,11 @@
 				next_state = SNK_READY;
 			else
 				next_state = SNK_WAIT_CAPABILITIES;
+
+			/* Threshold was relaxed before sending Request. Restore it back. */
+			tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+							       port->pps_data.active,
+							       port->supply_voltage);
 			tcpm_set_state(port, next_state, 0);
 			break;
 		case SNK_NEGOTIATE_PPS_CAPABILITIES:
@@ -1953,6 +2684,12 @@
 			port->pps_data.req_op_curr = port->current_limit;
 			port->pps_status = (type == PD_CTRL_WAIT ?
 					    -EAGAIN : -EOPNOTSUPP);
+
+			/* Threshold was relaxed before sending Request. Restore it back. */
+			tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+							       port->pps_data.active,
+							       port->supply_voltage);
+
 			tcpm_set_state(port, SNK_READY, 0);
 			break;
 		case DR_SWAP_SEND:
@@ -1977,7 +2714,29 @@
 			port->sink_cap_done = true;
 			tcpm_set_state(port, ready_state(port), 0);
 			break;
+		/*
+		 * Some port partners do not support GET_STATUS, avoid soft reset the link to
+		 * prevent redundant power re-negotiation
+		 */
+		case GET_STATUS_SEND:
+			tcpm_set_state(port, ready_state(port), 0);
+			break;
+		case SRC_READY:
+		case SNK_READY:
+			if (port->vdm_state > VDM_STATE_READY) {
+				port->vdm_state = VDM_STATE_DONE;
+				if (tcpm_vdm_ams(port))
+					tcpm_ams_finish(port);
+				mod_vdm_delayed_work(port, 0);
+				break;
+			}
+			fallthrough;
 		default:
+			tcpm_pd_handle_state(port,
+					     port->pwr_role == TYPEC_SOURCE ?
+					     SRC_SOFT_RESET_WAIT_SNK_TX :
+					     SNK_SOFT_RESET,
+					     NONE_AMS, 0);
 			break;
 		}
 		break;
@@ -1998,13 +2757,14 @@
 			tcpm_set_state(port, SNK_TRANSITION_SINK, 0);
 			break;
 		case SOFT_RESET_SEND:
-			port->message_id = 0;
-			port->rx_msgid = -1;
-			if (port->pwr_role == TYPEC_SOURCE)
-				next_state = SRC_SEND_CAPABILITIES;
-			else
-				next_state = SNK_WAIT_CAPABILITIES;
-			tcpm_set_state(port, next_state, 0);
+			if (port->ams == SOFT_RESET_AMS)
+				tcpm_ams_finish(port);
+			if (port->pwr_role == TYPEC_SOURCE) {
+				port->upcoming_state = SRC_SEND_CAPABILITIES;
+				tcpm_ams_start(port, POWER_NEGOTIATION);
+			} else {
+				tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
+			}
 			break;
 		case DR_SWAP_SEND:
 			tcpm_set_state(port, DR_SWAP_CHANGE_DR, 0);
@@ -2019,57 +2779,62 @@
 			tcpm_set_state(port, FR_SWAP_SNK_SRC_TRANSITION_TO_OFF, 0);
 			break;
 		default:
+			tcpm_pd_handle_state(port,
+					     port->pwr_role == TYPEC_SOURCE ?
+					     SRC_SOFT_RESET_WAIT_SNK_TX :
+					     SNK_SOFT_RESET,
+					     NONE_AMS, 0);
 			break;
 		}
 		break;
 	case PD_CTRL_SOFT_RESET:
+		port->ams = SOFT_RESET_AMS;
 		tcpm_set_state(port, SOFT_RESET, 0);
 		break;
 	case PD_CTRL_DR_SWAP:
-		if (port->typec_caps.data != TYPEC_PORT_DRD) {
-			tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
-			break;
-		}
 		/*
 		 * XXX
 		 * 6.3.9: If an alternate mode is active, a request to swap
 		 * alternate modes shall trigger a port reset.
 		 */
-		switch (port->state) {
-		case SRC_READY:
-		case SNK_READY:
-			tcpm_set_state(port, DR_SWAP_ACCEPT, 0);
-			break;
-		default:
-			tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
-			break;
+		if (port->typec_caps.data != TYPEC_PORT_DRD) {
+			tcpm_pd_handle_msg(port,
+					   port->negotiated_rev < PD_REV30 ?
+					   PD_MSG_CTRL_REJECT :
+					   PD_MSG_CTRL_NOT_SUPP,
+					   NONE_AMS);
+		} else {
+			if (port->send_discover) {
+				tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
+				break;
+			}
+
+			tcpm_pd_handle_state(port, DR_SWAP_ACCEPT, DATA_ROLE_SWAP, 0);
 		}
 		break;
 	case PD_CTRL_PR_SWAP:
 		if (port->port_type != TYPEC_PORT_DRP) {
-			tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
-			break;
-		}
-		switch (port->state) {
-		case SRC_READY:
-		case SNK_READY:
-			tcpm_set_state(port, PR_SWAP_ACCEPT, 0);
-			break;
-		default:
-			tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
-			break;
+			tcpm_pd_handle_msg(port,
+					   port->negotiated_rev < PD_REV30 ?
+					   PD_MSG_CTRL_REJECT :
+					   PD_MSG_CTRL_NOT_SUPP,
+					   NONE_AMS);
+		} else {
+			if (port->send_discover) {
+				tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
+				break;
+			}
+
+			tcpm_pd_handle_state(port, PR_SWAP_ACCEPT, POWER_ROLE_SWAP, 0);
 		}
 		break;
 	case PD_CTRL_VCONN_SWAP:
-		switch (port->state) {
-		case SRC_READY:
-		case SNK_READY:
-			tcpm_set_state(port, VCONN_SWAP_ACCEPT, 0);
-			break;
-		default:
+		if (port->send_discover) {
 			tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
 			break;
 		}
+
+		tcpm_pd_handle_state(port, VCONN_SWAP_ACCEPT, VCONN_SWAP, 0);
 		break;
 	case PD_CTRL_GET_SOURCE_CAP_EXT:
 	case PD_CTRL_GET_STATUS:
@@ -2077,10 +2842,19 @@
 	case PD_CTRL_GET_PPS_STATUS:
 	case PD_CTRL_GET_COUNTRY_CODES:
 		/* Currently not supported */
-		tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+		tcpm_pd_handle_msg(port,
+				   port->negotiated_rev < PD_REV30 ?
+				   PD_MSG_CTRL_REJECT :
+				   PD_MSG_CTRL_NOT_SUPP,
+				   NONE_AMS);
 		break;
 	default:
-		tcpm_log(port, "Unhandled ctrl message type %#x", type);
+		tcpm_pd_handle_msg(port,
+				   port->negotiated_rev < PD_REV30 ?
+				   PD_MSG_CTRL_REJECT :
+				   PD_MSG_CTRL_NOT_SUPP,
+				   NONE_AMS);
+		tcpm_log(port, "Unrecognized ctrl message type %#x", type);
 		break;
 	}
 }
@@ -2091,34 +2865,37 @@
 	enum pd_ext_msg_type type = pd_header_type_le(msg->header);
 	unsigned int data_size = pd_ext_header_data_size_le(msg->ext_msg.header);
 
-	if (!(msg->ext_msg.header & PD_EXT_HDR_CHUNKED)) {
+	/* stopping VDM state machine if interrupted by other Messages */
+	if (tcpm_vdm_ams(port)) {
+		port->vdm_state = VDM_STATE_ERR_BUSY;
+		tcpm_ams_finish(port);
+		mod_vdm_delayed_work(port, 0);
+	}
+
+	if (!(le16_to_cpu(msg->ext_msg.header) & PD_EXT_HDR_CHUNKED)) {
+		tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
 		tcpm_log(port, "Unchunked extended messages unsupported");
 		return;
 	}
 
 	if (data_size > PD_EXT_MAX_CHUNK_DATA) {
+		tcpm_pd_handle_state(port, CHUNK_NOT_SUPP, NONE_AMS, PD_T_CHUNK_NOT_SUPP);
 		tcpm_log(port, "Chunk handling not yet supported");
 		return;
 	}
 
 	switch (type) {
 	case PD_EXT_STATUS:
-		/*
-		 * If PPS related events raised then get PPS status to clear
-		 * (see USB PD 3.0 Spec, 6.5.2.4)
-		 */
-		if (msg->ext_msg.data[USB_PD_EXT_SDB_EVENT_FLAGS] &
-		    USB_PD_EXT_SDB_PPS_EVENTS)
-			tcpm_set_state(port, GET_PPS_STATUS_SEND, 0);
-		else
-			tcpm_set_state(port, ready_state(port), 0);
-		break;
 	case PD_EXT_PPS_STATUS:
-		/*
-		 * For now the PPS status message is used to clear events
-		 * and nothing more.
-		 */
-		tcpm_set_state(port, ready_state(port), 0);
+		if (port->ams == GETTING_SOURCE_SINK_STATUS) {
+			tcpm_ams_finish(port);
+			tcpm_set_state(port, ready_state(port), 0);
+		} else {
+			/* unexpected Status or PPS_Status Message */
+			tcpm_pd_handle_state(port, port->pwr_role == TYPEC_SOURCE ?
+					     SRC_SOFT_RESET_WAIT_SNK_TX : SNK_SOFT_RESET,
+					     NONE_AMS, 0);
+		}
 		break;
 	case PD_EXT_SOURCE_CAP_EXT:
 	case PD_EXT_GET_BATT_CAP:
@@ -2132,10 +2909,11 @@
 	case PD_EXT_FW_UPDATE_RESPONSE:
 	case PD_EXT_COUNTRY_INFO:
 	case PD_EXT_COUNTRY_CODES:
-		tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+		tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
 		break;
 	default:
-		tcpm_log(port, "Unhandled extended message type %#x", type);
+		tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
+		tcpm_log(port, "Unrecognized extended message type %#x", type);
 		break;
 	}
 }
@@ -2180,7 +2958,7 @@
 				 "Data role mismatch, initiating error recovery");
 			tcpm_set_state(port, ERROR_RECOVERY, 0);
 		} else {
-			if (msg->header & PD_HEADER_EXT_HDR)
+			if (le16_to_cpu(msg->header) & PD_HEADER_EXT_HDR)
 				tcpm_pd_ext_msg_request(port, msg);
 			else if (cnt)
 				tcpm_pd_data_request(port, msg);
@@ -2231,6 +3009,7 @@
 static bool tcpm_send_queued_message(struct tcpm_port *port)
 {
 	enum pd_msg_request queued_message;
+	int ret;
 
 	do {
 		queued_message = port->queued_message;
@@ -2247,10 +3026,27 @@
 			tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP);
 			break;
 		case PD_MSG_DATA_SINK_CAP:
-			tcpm_pd_send_sink_caps(port);
+			ret = tcpm_pd_send_sink_caps(port);
+			if (ret < 0) {
+				tcpm_log(port, "Unable to send snk caps, ret=%d", ret);
+				tcpm_set_state(port, SNK_SOFT_RESET, 0);
+			}
+			tcpm_ams_finish(port);
 			break;
 		case PD_MSG_DATA_SOURCE_CAP:
-			tcpm_pd_send_source_caps(port);
+			ret = tcpm_pd_send_source_caps(port);
+			if (ret < 0) {
+				tcpm_log(port,
+					 "Unable to send src caps, ret=%d",
+					 ret);
+				tcpm_set_state(port, SOFT_RESET_SEND, 0);
+			} else if (port->pwr_role == TYPEC_SOURCE) {
+				tcpm_ams_finish(port);
+				tcpm_set_state(port, HARD_RESET_SEND,
+					       PD_T_SENDER_RESPONSE);
+			} else {
+				tcpm_ams_finish(port);
+			}
 			break;
 		default:
 			break;
@@ -2616,6 +3412,12 @@
 	if (ret < 0)
 		return ret;
 
+	/*
+	 * Relax the threshold as voltage will be adjusted after Accept Message plus tSrcTransition.
+	 * It is safer to modify the threshold here.
+	 */
+	tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, 0);
+
 	memset(&msg, 0, sizeof(msg));
 	msg.header = PD_HEADER_LE(PD_DATA_REQUEST,
 				  port->pwr_role,
@@ -2713,6 +3515,9 @@
 	if (ret < 0)
 		return ret;
 
+	/* Relax the threshold as voltage will be adjusted right after Accept Message. */
+	tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, 0);
+
 	memset(&msg, 0, sizeof(msg));
 	msg.header = PD_HEADER_LE(PD_DATA_REQUEST,
 				  port->pwr_role,
@@ -2772,13 +3577,6 @@
 	return ret == 0;
 }
 
-static void tcpm_set_cc(struct tcpm_port *port, enum typec_cc_status cc)
-{
-	tcpm_log(port, "cc:=%d", cc);
-	port->cc_req = cc;
-	port->tcpc->set_cc(port->tcpc, cc);
-}
-
 static int tcpm_init_vbus(struct tcpm_port *port)
 {
 	int ret;
@@ -2830,14 +3628,17 @@
 	if (ret < 0)
 		return ret;
 
-	ret = tcpm_set_roles(port, true, TYPEC_SOURCE,
-			     tcpm_data_role_for_source(port));
+	tcpm_enable_auto_vbus_discharge(port, true);
+
+	ret = tcpm_set_roles(port, true, TYPEC_SOURCE, tcpm_data_role_for_source(port));
 	if (ret < 0)
 		return ret;
 
-	ret = port->tcpc->set_pd_rx(port->tcpc, true);
-	if (ret < 0)
-		goto out_disable_mux;
+	if (port->pd_supported) {
+		ret = port->tcpc->set_pd_rx(port->tcpc, true);
+		if (ret < 0)
+			goto out_disable_mux;
+	}
 
 	/*
 	 * USB Type-C specification, version 1.2,
@@ -2860,6 +3661,7 @@
 	port->partner = NULL;
 
 	port->attached = true;
+	port->debouncing = false;
 	port->send_discover = true;
 
 	return 0;
@@ -2867,7 +3669,8 @@
 out_disable_vconn:
 	tcpm_set_vconn(port, false);
 out_disable_pd:
-	port->tcpc->set_pd_rx(port->tcpc, false);
+	if (port->pd_supported)
+		port->tcpc->set_pd_rx(port->tcpc, false);
 out_disable_mux:
 	tcpm_mux_set(port, TYPEC_STATE_SAFE, USB_ROLE_NONE,
 		     TYPEC_ORIENTATION_NONE);
@@ -2896,13 +3699,26 @@
 	memset(modep, 0, sizeof(*modep));
 }
 
+static void tcpm_set_partner_usb_comm_capable(struct tcpm_port *port, bool capable)
+{
+	tcpm_log(port, "Setting usb_comm capable %s", capable ? "true" : "false");
+
+	if (port->tcpc->set_partner_usb_comm_capable)
+		port->tcpc->set_partner_usb_comm_capable(port->tcpc, capable);
+}
+
 static void tcpm_reset_port(struct tcpm_port *port)
 {
+	tcpm_enable_auto_vbus_discharge(port, false);
+	port->in_ams = false;
+	port->ams = NONE_AMS;
+	port->vdm_sm_running = false;
 	tcpm_unregister_altmodes(port);
 	tcpm_typec_disconnect(port);
 	port->attached = false;
 	port->pd_capable = false;
 	port->pps_data.supported = false;
+	tcpm_set_partner_usb_comm_capable(port, false);
 
 	/*
 	 * First Rx ID should be 0; set this to a sentinel of -1 so that
@@ -2961,8 +3777,9 @@
 	if (ret < 0)
 		return ret;
 
-	ret = tcpm_set_roles(port, true, TYPEC_SINK,
-			     tcpm_data_role_for_sink(port));
+	tcpm_enable_auto_vbus_discharge(port, true);
+
+	ret = tcpm_set_roles(port, true, TYPEC_SINK, tcpm_data_role_for_sink(port));
 	if (ret < 0)
 		return ret;
 
@@ -2971,6 +3788,7 @@
 	port->partner = NULL;
 
 	port->attached = true;
+	port->debouncing = false;
 	port->send_discover = true;
 
 	return 0;
@@ -2998,6 +3816,7 @@
 	tcpm_typec_connect(port);
 
 	port->attached = true;
+	port->debouncing = false;
 
 	return 0;
 }
@@ -3034,14 +3853,15 @@
 	return SNK_UNATTACHED;
 }
 
-static void tcpm_check_send_discover(struct tcpm_port *port)
+bool tcpm_is_toggling(struct tcpm_port *port)
 {
-	if (port->data_role == TYPEC_HOST && port->send_discover &&
-	    port->pd_capable) {
-		tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0);
-		port->send_discover = false;
-	}
+	if (port->port_type == TYPEC_PORT_DRP)
+		return port->state == SRC_UNATTACHED || port->state == SNK_UNATTACHED ||
+			port->state == TOGGLING;
+
+	return false;
 }
+EXPORT_SYMBOL_GPL(tcpm_is_toggling);
 
 static void tcpm_swap_complete(struct tcpm_port *port, int result)
 {
@@ -3066,11 +3886,29 @@
 	}
 }
 
+static enum typec_cc_status tcpm_pwr_opmode_to_rp(enum typec_pwr_opmode opmode)
+{
+	switch (opmode) {
+	case TYPEC_PWR_MODE_USB:
+		return TYPEC_CC_RP_DEF;
+	case TYPEC_PWR_MODE_1_5A:
+		return TYPEC_CC_RP_1_5;
+	case TYPEC_PWR_MODE_3_0A:
+	case TYPEC_PWR_MODE_PD:
+	default:
+		return TYPEC_CC_RP_3_0;
+	}
+}
+
 static void run_state_machine(struct tcpm_port *port)
 {
 	int ret;
 	enum typec_pwr_opmode opmode;
-	unsigned int msecs;
+	unsigned int msecs, timer_val_msecs;
+	enum tcpm_state upcoming_state;
+	const char *state_name;
+	u32 current_limit;
+	bool adjust;
 
 	port->enter_state = port->state;
 	switch (port->state) {
@@ -3081,6 +3919,15 @@
 		if (!port->non_pd_role_swap)
 			tcpm_swap_complete(port, -ENOTCONN);
 		tcpm_src_detach(port);
+		if (port->debouncing) {
+			port->debouncing = false;
+			if (port->tcpc->check_contaminant &&
+			    port->tcpc->check_contaminant(port->tcpc)) {
+				/* Contaminant detection would handle toggling */
+				tcpm_set_state(port, TOGGLING, 0);
+				break;
+			}
+		}
 		if (tcpm_start_toggling(port, tcpm_rp_cc(port))) {
 			tcpm_set_state(port, TOGGLING, 0);
 			break;
@@ -3090,20 +3937,25 @@
 			tcpm_set_state(port, SNK_UNATTACHED, PD_T_DRP_SNK);
 		break;
 	case SRC_ATTACH_WAIT:
+		port->debouncing = true;
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SRC_ATTACH_WAIT],
+						      CC_DEBOUNCE, &timer_val_msecs);
 		if (tcpm_port_is_debug(port))
 			tcpm_set_state(port, DEBUG_ACC_ATTACHED,
-				       PD_T_CC_DEBOUNCE);
+				       timer_val_msecs);
 		else if (tcpm_port_is_audio(port))
 			tcpm_set_state(port, AUDIO_ACC_ATTACHED,
-				       PD_T_CC_DEBOUNCE);
-		else if (tcpm_port_is_source(port))
+				       timer_val_msecs);
+		else if (tcpm_port_is_source(port) && port->vbus_vsafe0v)
 			tcpm_set_state(port,
 				       tcpm_try_snk(port) ? SNK_TRY
 							  : SRC_ATTACHED,
-				       PD_T_CC_DEBOUNCE);
+				       timer_val_msecs);
 		break;
 
 	case SNK_TRY:
+		port->debouncing = false;
 		port->try_snk_count++;
 		/*
 		 * Requirements:
@@ -3126,15 +3978,13 @@
 		break;
 	case SNK_TRY_WAIT_DEBOUNCE:
 		tcpm_set_state(port, SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS,
-			       PD_T_PD_DEBOUNCE);
+			       PD_T_TRY_CC_DEBOUNCE);
 		break;
 	case SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS:
-		if (port->vbus_present && tcpm_port_is_sink(port)) {
+		if (port->vbus_present && tcpm_port_is_sink(port))
 			tcpm_set_state(port, SNK_ATTACHED, 0);
-		} else {
-			tcpm_set_state(port, SRC_TRYWAIT, 0);
+		else
 			port->max_wait = 0;
-		}
 		break;
 	case SRC_TRYWAIT:
 		tcpm_set_cc(port, tcpm_rp_cc(port));
@@ -3153,7 +4003,10 @@
 		}
 		break;
 	case SRC_TRYWAIT_DEBOUNCE:
-		tcpm_set_state(port, SRC_ATTACHED, PD_T_CC_DEBOUNCE);
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SRC_TRYWAIT_DEBOUNCE],
+						      CC_DEBOUNCE, &timer_val_msecs);
+		tcpm_set_state(port, SRC_ATTACHED, timer_val_msecs);
 		break;
 	case SRC_TRYWAIT_UNATTACHED:
 		tcpm_set_state(port, SNK_UNATTACHED, 0);
@@ -3173,7 +4026,16 @@
 		port->message_id = 0;
 		port->rx_msgid = -1;
 		port->explicit_contract = false;
-		tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0);
+		/* SNK -> SRC POWER/FAST_ROLE_SWAP finished */
+		if (port->ams == POWER_ROLE_SWAP ||
+		    port->ams == FAST_ROLE_SWAP)
+			tcpm_ams_finish(port);
+		if (!port->pd_supported) {
+			tcpm_set_state(port, SRC_READY, 0);
+			break;
+		}
+		port->upcoming_state = SRC_SEND_CAPABILITIES;
+		tcpm_ams_start(port, POWER_NEGOTIATION);
 		break;
 	case SRC_SEND_CAPABILITIES:
 		port->caps_count++;
@@ -3234,6 +4096,8 @@
 			}
 		} else {
 			tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+			tcpm_set_partner_usb_comm_capable(port,
+							  !!(port->sink_request & RDO_USB_COMM));
 			tcpm_set_state(port, SRC_TRANSITION_SUPPLY,
 				       PD_T_SRC_TRANSITION);
 		}
@@ -3255,7 +4119,36 @@
 		tcpm_swap_complete(port, 0);
 		tcpm_typec_connect(port);
 
-		tcpm_check_send_discover(port);
+		if (port->ams != NONE_AMS)
+			tcpm_ams_finish(port);
+		if (port->next_ams != NONE_AMS) {
+			port->ams = port->next_ams;
+			port->next_ams = NONE_AMS;
+		}
+
+		/*
+		 * If previous AMS is interrupted, switch to the upcoming
+		 * state.
+		 */
+		if (port->upcoming_state != INVALID_STATE) {
+			upcoming_state = port->upcoming_state;
+			port->upcoming_state = INVALID_STATE;
+			tcpm_set_state(port, upcoming_state, 0);
+			break;
+		}
+
+		/*
+		 * 6.4.4.3.1 Discover Identity
+		 * "The Discover Identity Command Shall only be sent to SOP when there is an
+		 * Explicit Contract."
+		 * For now, this driver only supports SOP for DISCOVER_IDENTITY, thus using
+		 * port->explicit_contract to decide whether to send the command.
+		 */
+		if (port->explicit_contract)
+			mod_send_discover_delayed_work(port, 0);
+		else
+			port->send_discover = false;
+
 		/*
 		 * 6.3.5
 		 * Sending ping messages is not necessary if
@@ -3280,6 +4173,15 @@
 			tcpm_swap_complete(port, -ENOTCONN);
 		tcpm_pps_complete(port, -ENOTCONN);
 		tcpm_snk_detach(port);
+		if (port->debouncing) {
+			port->debouncing = false;
+			if (port->tcpc->check_contaminant &&
+			    port->tcpc->check_contaminant(port->tcpc)) {
+				/* Contaminant detection would handle toggling */
+				tcpm_set_state(port, TOGGLING, 0);
+				break;
+			}
+		}
 		if (tcpm_start_toggling(port, TYPEC_CC_RD)) {
 			tcpm_set_state(port, TOGGLING, 0);
 			break;
@@ -3289,25 +4191,33 @@
 			tcpm_set_state(port, SRC_UNATTACHED, PD_T_DRP_SRC);
 		break;
 	case SNK_ATTACH_WAIT:
+		port->debouncing = true;
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_ATTACH_WAIT],
+						      CC_DEBOUNCE, &timer_val_msecs);
 		if ((port->cc1 == TYPEC_CC_OPEN &&
 		     port->cc2 != TYPEC_CC_OPEN) ||
 		    (port->cc1 != TYPEC_CC_OPEN &&
 		     port->cc2 == TYPEC_CC_OPEN))
 			tcpm_set_state(port, SNK_DEBOUNCED,
-				       PD_T_CC_DEBOUNCE);
+				       timer_val_msecs);
 		else if (tcpm_port_is_disconnected(port))
 			tcpm_set_state(port, SNK_UNATTACHED,
-				       PD_T_PD_DEBOUNCE);
+				       timer_val_msecs);
 		break;
 	case SNK_DEBOUNCED:
-		if (tcpm_port_is_disconnected(port))
+		if (tcpm_port_is_disconnected(port)) {
 			tcpm_set_state(port, SNK_UNATTACHED,
 				       PD_T_PD_DEBOUNCE);
-		else if (port->vbus_present)
+		} else if (port->vbus_present) {
 			tcpm_set_state(port,
 				       tcpm_try_src(port) ? SRC_TRY
 							  : SNK_ATTACHED,
 				       0);
+			port->debouncing = false;
+		} else {
+			port->debouncing = false;
+		}
 		break;
 	case SRC_TRY:
 		port->try_src_count++;
@@ -3333,8 +4243,11 @@
 		tcpm_set_state(port, SRC_ATTACHED, PD_T_PD_DEBOUNCE);
 		break;
 	case SNK_TRYWAIT:
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_TRYWAIT],
+						      CC_DEBOUNCE, &timer_val_msecs);
 		tcpm_set_cc(port, TYPEC_CC_RD);
-		tcpm_set_state(port, SNK_TRYWAIT_VBUS, PD_T_CC_DEBOUNCE);
+		tcpm_set_state(port, SNK_TRYWAIT_VBUS, timer_val_msecs);
 		break;
 	case SNK_TRYWAIT_VBUS:
 		/*
@@ -3368,15 +4281,33 @@
 		port->message_id = 0;
 		port->rx_msgid = -1;
 		port->explicit_contract = false;
-		tcpm_set_state(port, SNK_DISCOVERY, 0);
+
+		if (port->ams == POWER_ROLE_SWAP ||
+		    port->ams == FAST_ROLE_SWAP)
+			/* SRC -> SNK POWER/FAST_ROLE_SWAP finished */
+			tcpm_ams_finish(port);
+
+		timer_val_msecs = 0;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_STARTUP],
+						      SINK_DISCOVERY_BC12, &timer_val_msecs);
+		tcpm_set_state(port, SNK_DISCOVERY, timer_val_msecs);
 		break;
 	case SNK_DISCOVERY:
 		if (port->vbus_present) {
-			tcpm_set_current_limit(port,
-					       tcpm_get_current_limit(port),
-					       5000);
+			current_limit = tcpm_get_current_limit(port);
+			trace_android_vh_typec_tcpm_adj_current_limit(tcpm_states[SNK_DISCOVERY],
+								      port->current_limit,
+								      port->supply_voltage,
+								      port->pd_capable,
+								      &current_limit, &adjust);
+			if (port->slow_charger_loop && (current_limit > PD_P_SNK_STDBY_MW / 5))
+				current_limit = PD_P_SNK_STDBY_MW / 5;
+			tcpm_set_current_limit(port, current_limit, 5000);
 			tcpm_set_charge(port, true);
-			tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
+			if (!port->pd_supported)
+				tcpm_set_state(port, SNK_READY, 0);
+			else
+				tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
 			break;
 		}
 		/*
@@ -3389,8 +4320,10 @@
 					PD_T_DB_DETECT : PD_T_NO_RESPONSE);
 		break;
 	case SNK_DISCOVERY_DEBOUNCE:
-		tcpm_set_state(port, SNK_DISCOVERY_DEBOUNCE_DONE,
-			       PD_T_CC_DEBOUNCE);
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_DISCOVERY_DEBOUNCE],
+						      CC_DEBOUNCE, &timer_val_msecs);
+		tcpm_set_state(port, SNK_DISCOVERY_DEBOUNCE_DONE, timer_val_msecs);
 		break;
 	case SNK_DISCOVERY_DEBOUNCE_DONE:
 		if (!tcpm_port_is_disconnected(port) &&
@@ -3408,6 +4341,9 @@
 			tcpm_set_state(port, SNK_READY, 0);
 			break;
 		}
+		timer_val_msecs = PD_T_SINK_WAIT_CAP;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_WAIT_CAPABILITIES],
+						      SINK_WAIT_CAP, &timer_val_msecs);
 		/*
 		 * If VBUS has never been low, and we time out waiting
 		 * for source cap, try a soft reset first, in case we
@@ -3416,18 +4352,24 @@
 		 */
 		if (port->vbus_never_low) {
 			port->vbus_never_low = false;
-			tcpm_set_state(port, SOFT_RESET_SEND,
-				       PD_T_SINK_WAIT_CAP);
+			tcpm_set_state(port, SNK_SOFT_RESET,
+				       timer_val_msecs);
 		} else {
 			tcpm_set_state(port, hard_reset_state(port),
-				       PD_T_SINK_WAIT_CAP);
+				       timer_val_msecs);
 		}
 		break;
 	case SNK_NEGOTIATE_CAPABILITIES:
 		port->pd_capable = true;
+		tcpm_set_partner_usb_comm_capable(port,
+						  !!(port->source_caps[0] & PDO_FIXED_USB_COMM));
 		port->hard_reset_count = 0;
 		ret = tcpm_pd_send_request(port);
 		if (ret < 0) {
+			/* Restore back to the original state */
+			tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+							       port->pps_data.active,
+							       port->supply_voltage);
 			/* Let the Source send capabilities again. */
 			tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
 		} else {
@@ -3438,6 +4380,10 @@
 	case SNK_NEGOTIATE_PPS_CAPABILITIES:
 		ret = tcpm_pd_send_pps_request(port);
 		if (ret < 0) {
+			/* Restore back to the original state */
+			tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+							       port->pps_data.active,
+							       port->supply_voltage);
 			port->pps_status = ret;
 			/*
 			 * If this was called due to updates to sink
@@ -3454,6 +4400,23 @@
 		}
 		break;
 	case SNK_TRANSITION_SINK:
+		/* From the USB PD spec:
+		 * "The Sink Shall transition to Sink Standby before a positive or
+		 * negative voltage transition of VBUS. During Sink Standby
+		 * the Sink Shall reduce its power draw to pSnkStdby."
+		 *
+		 * This is not applicable to PPS though as the port can continue
+		 * to draw negotiated power without switching to standby.
+		 */
+		if (port->supply_voltage != port->req_supply_voltage && !port->pps_data.active &&
+		    port->current_limit * port->supply_voltage / 1000 > PD_P_SNK_STDBY_MW) {
+			u32 stdby_ma = PD_P_SNK_STDBY_MW * 1000 / port->supply_voltage;
+
+			tcpm_log(port, "Setting standby current %u mV @ %u mA",
+				 port->supply_voltage, stdby_ma);
+			tcpm_set_current_limit(port, stdby_ma, port->supply_voltage);
+		}
+		fallthrough;
 	case SNK_TRANSITION_SINK_VBUS:
 		tcpm_set_state(port, hard_reset_state(port),
 			       PD_T_PS_TRANSITION);
@@ -3467,11 +4430,54 @@
 			port->pwr_opmode = TYPEC_PWR_MODE_PD;
 		}
 
+		current_limit = tcpm_get_current_limit(port);
+		adjust = false;
+		trace_android_vh_typec_tcpm_adj_current_limit(tcpm_states[SNK_READY],
+							      port->current_limit,
+							      port->supply_voltage,
+							      port->pd_capable,
+							      &current_limit,
+							      &adjust);
+		if (adjust)
+			tcpm_set_current_limit(port, current_limit, 5000);
+
+		if (!port->pd_capable && port->slow_charger_loop)
+			tcpm_set_current_limit(port, tcpm_get_current_limit(port), 5000);
 		tcpm_swap_complete(port, 0);
 		tcpm_typec_connect(port);
-		tcpm_check_send_discover(port);
 		mod_enable_frs_delayed_work(port, 0);
 		tcpm_pps_complete(port, port->pps_status);
+
+		if (port->ams != NONE_AMS)
+			tcpm_ams_finish(port);
+		if (port->next_ams != NONE_AMS) {
+			port->ams = port->next_ams;
+			port->next_ams = NONE_AMS;
+		}
+
+		/*
+		 * If previous AMS is interrupted, switch to the upcoming
+		 * state.
+		 */
+		if (port->upcoming_state != INVALID_STATE) {
+			upcoming_state = port->upcoming_state;
+			port->upcoming_state = INVALID_STATE;
+			tcpm_set_state(port, upcoming_state, 0);
+			break;
+		}
+
+		/*
+		 * 6.4.4.3.1 Discover Identity
+		 * "The Discover Identity Command Shall only be sent to SOP when there is an
+		 * Explicit Contract."
+		 * For now, this driver only supports SOP for DISCOVER_IDENTITY, thus using
+		 * port->explicit_contract.
+		 */
+		if (port->explicit_contract)
+			mod_send_discover_delayed_work(port, 0);
+		else
+			port->send_discover = false;
+
 		power_supply_changed(port->psy);
 		break;
 
@@ -3487,13 +4493,22 @@
 			tcpm_set_state(port, ACC_UNATTACHED, 0);
 		break;
 	case AUDIO_ACC_DEBOUNCE:
-		tcpm_set_state(port, ACC_UNATTACHED, PD_T_CC_DEBOUNCE);
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[AUDIO_ACC_DEBOUNCE],
+						      CC_DEBOUNCE, &timer_val_msecs);
+		tcpm_set_state(port, ACC_UNATTACHED, timer_val_msecs);
 		break;
 
 	/* Hard_Reset states */
 	case HARD_RESET_SEND:
-		tcpm_pd_transmit(port, TCPC_TX_HARD_RESET, NULL);
-		tcpm_set_state(port, HARD_RESET_START, 0);
+		if (port->ams != NONE_AMS)
+			tcpm_ams_finish(port);
+		/*
+		 * State machine will be directed to HARD_RESET_START,
+		 * thus set upcoming_state to INVALID_STATE.
+		 */
+		port->upcoming_state = INVALID_STATE;
+		tcpm_ams_start(port, HARD_RESET);
 		break;
 	case HARD_RESET_START:
 		port->sink_cap_done = false;
@@ -3537,11 +4552,16 @@
 	case SRC_HARD_RESET_VBUS_ON:
 		tcpm_set_vconn(port, true);
 		tcpm_set_vbus(port, true);
-		port->tcpc->set_pd_rx(port->tcpc, true);
+		if (port->ams == HARD_RESET)
+			tcpm_ams_finish(port);
+		if (port->pd_supported)
+			port->tcpc->set_pd_rx(port->tcpc, true);
 		tcpm_set_attached_state(port, true);
 		tcpm_set_state(port, SRC_UNATTACHED, PD_T_PS_SOURCE_ON);
 		break;
 	case SNK_HARD_RESET_SINK_OFF:
+		/* Do not discharge/disconnect during hard reseet */
+		tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, 0);
 		memset(&port->pps_data, 0, sizeof(port->pps_data));
 		tcpm_set_vconn(port, false);
 		if (port->pd_capable)
@@ -3556,6 +4576,8 @@
 		tcpm_set_state(port, SNK_HARD_RESET_SINK_ON, PD_T_SAFE_0V);
 		break;
 	case SNK_HARD_RESET_WAIT_VBUS:
+		if (port->ams == HARD_RESET)
+			tcpm_ams_finish(port);
 		/* Assume we're disconnected if VBUS doesn't come back. */
 		tcpm_set_state(port, SNK_UNATTACHED,
 			       PD_T_SRC_RECOVER_MAX + PD_T_SRC_TURN_ON);
@@ -3583,7 +4605,10 @@
 					       5000);
 			tcpm_set_charge(port, true);
 		}
+		if (port->ams == HARD_RESET)
+			tcpm_ams_finish(port);
 		tcpm_set_attached_state(port, true);
+		tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, VSAFE5V);
 		tcpm_set_state(port, SNK_STARTUP, 0);
 		break;
 
@@ -3592,10 +4617,20 @@
 		port->message_id = 0;
 		port->rx_msgid = -1;
 		tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
-		if (port->pwr_role == TYPEC_SOURCE)
-			tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0);
-		else
+		tcpm_ams_finish(port);
+		if (port->pwr_role == TYPEC_SOURCE) {
+			port->upcoming_state = SRC_SEND_CAPABILITIES;
+			tcpm_ams_start(port, POWER_NEGOTIATION);
+		} else {
 			tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
+		}
+		break;
+	case SRC_SOFT_RESET_WAIT_SNK_TX:
+	case SNK_SOFT_RESET:
+		if (port->ams != NONE_AMS)
+			tcpm_ams_finish(port);
+		port->upcoming_state = SOFT_RESET_SEND;
+		tcpm_ams_start(port, SOFT_RESET_AMS);
 		break;
 	case SOFT_RESET_SEND:
 		port->message_id = 0;
@@ -3610,27 +4645,32 @@
 	/* DR_Swap states */
 	case DR_SWAP_SEND:
 		tcpm_pd_send_control(port, PD_CTRL_DR_SWAP);
+		if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
+			port->send_discover = true;
 		tcpm_set_state_cond(port, DR_SWAP_SEND_TIMEOUT,
 				    PD_T_SENDER_RESPONSE);
 		break;
 	case DR_SWAP_ACCEPT:
 		tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+		if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
+			port->send_discover = true;
 		tcpm_set_state_cond(port, DR_SWAP_CHANGE_DR, 0);
 		break;
 	case DR_SWAP_SEND_TIMEOUT:
 		tcpm_swap_complete(port, -ETIMEDOUT);
+		port->send_discover = false;
+		tcpm_ams_finish(port);
 		tcpm_set_state(port, ready_state(port), 0);
 		break;
 	case DR_SWAP_CHANGE_DR:
-		if (port->data_role == TYPEC_HOST) {
-			tcpm_unregister_altmodes(port);
+		tcpm_unregister_altmodes(port);
+		if (port->data_role == TYPEC_HOST)
 			tcpm_set_roles(port, true, port->pwr_role,
 				       TYPEC_DEVICE);
-		} else {
+		else
 			tcpm_set_roles(port, true, port->pwr_role,
 				       TYPEC_HOST);
-			port->send_discover = true;
-		}
+		tcpm_ams_finish(port);
 		tcpm_set_state(port, ready_state(port), 0);
 		break;
 
@@ -3645,7 +4685,10 @@
 		tcpm_set_state(port, ERROR_RECOVERY, 0);
 		break;
 	case FR_SWAP_SNK_SRC_TRANSITION_TO_OFF:
-		tcpm_set_state(port, ERROR_RECOVERY, PD_T_PS_SOURCE_OFF);
+		timer_val_msecs = PD_T_PS_SOURCE_OFF;
+		state_name = tcpm_states[FR_SWAP_SNK_SRC_TRANSITION_TO_OFF];
+		trace_android_vh_typec_tcpm_get_timer(state_name, SOURCE_OFF, &timer_val_msecs);
+		tcpm_set_state(port, ERROR_RECOVERY, timer_val_msecs);
 		break;
 	case FR_SWAP_SNK_SRC_NEW_SINK_READY:
 		if (port->vbus_source)
@@ -3678,6 +4721,7 @@
 		tcpm_set_state(port, ready_state(port), 0);
 		break;
 	case PR_SWAP_START:
+		tcpm_apply_rc(port);
 		if (port->pwr_role == TYPEC_SOURCE)
 			tcpm_set_state(port, PR_SWAP_SRC_SNK_TRANSITION_OFF,
 				       PD_T_SRC_TRANSITION);
@@ -3685,6 +4729,10 @@
 			tcpm_set_state(port, PR_SWAP_SNK_SRC_SINK_OFF, 0);
 		break;
 	case PR_SWAP_SRC_SNK_TRANSITION_OFF:
+		/*
+		 * Prevent vbus discharge circuit from turning on during PR_SWAP
+		 * as this is not a disconnect.
+		 */
 		tcpm_set_vbus(port, false);
 		port->explicit_contract = false;
 		/* allow time for Vbus discharge, must be < tSrcSwapStdby */
@@ -3692,10 +4740,13 @@
 			       PD_T_SRCSWAPSTDBY);
 		break;
 	case PR_SWAP_SRC_SNK_SOURCE_OFF:
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[PR_SWAP_SRC_SNK_SOURCE_OFF],
+						      CC_DEBOUNCE, &timer_val_msecs);
 		tcpm_set_cc(port, TYPEC_CC_RD);
 		/* allow CC debounce */
 		tcpm_set_state(port, PR_SWAP_SRC_SNK_SOURCE_OFF_CC_DEBOUNCED,
-			       PD_T_CC_DEBOUNCE);
+			       timer_val_msecs);
 		break;
 	case PR_SWAP_SRC_SNK_SOURCE_OFF_CC_DEBOUNCED:
 		/*
@@ -3710,17 +4761,29 @@
 			tcpm_set_state(port, ERROR_RECOVERY, 0);
 			break;
 		}
-		tcpm_set_state_cond(port, SNK_UNATTACHED, PD_T_PS_SOURCE_ON);
+		tcpm_set_state(port, ERROR_RECOVERY, PD_T_PS_SOURCE_ON_PRS);
 		break;
 	case PR_SWAP_SRC_SNK_SINK_ON:
+		tcpm_enable_auto_vbus_discharge(port, true);
+		/* Set the vbus disconnect threshold for implicit contract */
+		tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, VSAFE5V);
 		tcpm_set_state(port, SNK_STARTUP, 0);
 		break;
 	case PR_SWAP_SNK_SRC_SINK_OFF:
+		timer_val_msecs = PD_T_PS_SOURCE_OFF;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[PR_SWAP_SNK_SRC_SINK_OFF],
+						      SOURCE_OFF, &timer_val_msecs);
+		/*
+		 * Prevent vbus discharge circuit from turning on during PR_SWAP
+		 * as this is not a disconnect.
+		 */
+		tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB,
+						       port->pps_data.active, 0);
 		tcpm_set_charge(port, false);
-		tcpm_set_state(port, hard_reset_state(port),
-			       PD_T_PS_SOURCE_OFF);
+		tcpm_set_state(port, hard_reset_state(port), timer_val_msecs);
 		break;
 	case PR_SWAP_SNK_SRC_SOURCE_ON:
+		tcpm_enable_auto_vbus_discharge(port, true);
 		tcpm_set_cc(port, tcpm_rp_cc(port));
 		tcpm_set_vbus(port, true);
 		/*
@@ -3746,6 +4809,7 @@
 
 	case VCONN_SWAP_ACCEPT:
 		tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+		tcpm_ams_finish(port);
 		tcpm_set_state(port, VCONN_SWAP_START, 0);
 		break;
 	case VCONN_SWAP_SEND:
@@ -3846,9 +4910,31 @@
 			       PD_T_ERROR_RECOVERY);
 		break;
 	case PORT_RESET_WAIT_OFF:
+		timer_val_msecs = PD_T_PS_SOURCE_OFF;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[PORT_RESET_WAIT_OFF],
+						      SOURCE_OFF, &timer_val_msecs);
 		tcpm_set_state(port,
 			       tcpm_default_state(port),
-			       port->vbus_present ? PD_T_PS_SOURCE_OFF : 0);
+			       port->vbus_present ? timer_val_msecs : 0);
+		break;
+
+	/* AMS intermediate state */
+	case AMS_START:
+		if (port->upcoming_state == INVALID_STATE) {
+			tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ?
+				       SRC_READY : SNK_READY, 0);
+			break;
+		}
+
+		upcoming_state = port->upcoming_state;
+		port->upcoming_state = INVALID_STATE;
+		tcpm_set_state(port, upcoming_state, 0);
+		break;
+
+	/* Chunk state */
+	case CHUNK_NOT_SUPP:
+		tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP);
+		tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ? SRC_READY : SNK_READY, 0);
 		break;
 	default:
 		WARN(1, "Unexpected port state %d\n", port->state);
@@ -3939,9 +5025,9 @@
 		if (tcpm_port_is_disconnected(port) ||
 		    !tcpm_port_is_source(port)) {
 			if (port->port_type == TYPEC_PORT_SRC)
-				tcpm_set_state(port, SRC_UNATTACHED, 0);
+				tcpm_set_state(port, SRC_UNATTACHED, tcpm_wait_for_discharge(port));
 			else
-				tcpm_set_state(port, SNK_UNATTACHED, 0);
+				tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port));
 		}
 		break;
 	case SNK_UNATTACHED:
@@ -3972,7 +5058,23 @@
 			tcpm_set_state(port, SNK_DEBOUNCED, 0);
 		break;
 	case SNK_READY:
-		if (tcpm_port_is_disconnected(port))
+		/*
+		 * EXIT condition is based primarily on vbus disconnect and CC is secondary.
+		 * "A port that has entered into USB PD communications with the Source and
+		 * has seen the CC voltage exceed vRd-USB may monitor the CC pin to detect
+		 * cable disconnect in addition to monitoring VBUS.
+		 *
+		 * A port that is monitoring the CC voltage for disconnect (but is not in
+		 * the process of a USB PD PR_Swap or USB PD FR_Swap) shall transition to
+		 * Unattached.SNK within tSinkDisconnect after the CC voltage remains below
+		 * vRd-USB for tPDDebounce."
+		 *
+		 * When set_auto_vbus_discharge_threshold is enabled, CC pins go
+		 * away before vbus decays to disconnect threshold. Allow
+		 * disconnect to be driven by vbus disconnect when auto vbus
+		 * discharge is enabled.
+		 */
+		if (!port->auto_vbus_discharge_enabled && tcpm_port_is_disconnected(port))
 			tcpm_set_state(port, unattached_state(port), 0);
 		else if (!port->pd_capable &&
 			 (cc1 != old_cc1 || cc2 != old_cc2))
@@ -4037,6 +5139,12 @@
 		if (!tcpm_port_is_sink(port))
 			tcpm_set_state(port, SNK_TRYWAIT_DEBOUNCE, 0);
 		break;
+	case SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS:
+		if (!tcpm_port_is_sink(port))
+			tcpm_set_state(port, SRC_TRYWAIT, PD_T_TRY_CC_DEBOUNCE);
+		else
+			tcpm_set_state(port, SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS, 0);
+		break;
 	case SNK_TRYWAIT:
 		/* Do nothing, waiting for tCCDebounce */
 		break;
@@ -4065,9 +5173,13 @@
 		 * Ignore CC changes here.
 		 */
 		break;
-
 	default:
-		if (tcpm_port_is_disconnected(port))
+		/*
+		 * While acting as sink and auto vbus discharge is enabled, Allow disconnect
+		 * to be driven by vbus disconnect.
+		 */
+		if (tcpm_port_is_disconnected(port) && !(port->pwr_role == TYPEC_SINK &&
+							 port->auto_vbus_discharge_enabled))
 			tcpm_set_state(port, unattached_state(port), 0);
 		break;
 	}
@@ -4077,6 +5189,12 @@
 {
 	tcpm_log_force(port, "VBUS on");
 	port->vbus_present = true;
+	/*
+	 * When vbus_present is true i.e. Voltage at VBUS is greater than VSAFE5V implicitly
+	 * states that vbus is not at VSAFE0V, hence clear the vbus_vsafe0v flag here.
+	 */
+	port->vbus_vsafe0v = false;
+
 	switch (port->state) {
 	case SNK_TRANSITION_SINK_VBUS:
 		port->explicit_contract = true;
@@ -4123,11 +5241,24 @@
 	case SNK_TRYWAIT_DEBOUNCE:
 		/* Do nothing, waiting for Rp */
 		break;
+	case SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS:
+		if (port->vbus_present && tcpm_port_is_sink(port))
+			tcpm_set_state(port, SNK_ATTACHED, 0);
+		break;
 	case SRC_TRY_WAIT:
 	case SRC_TRY_DEBOUNCE:
 		/* Do nothing, waiting for sink detection */
 		break;
+	case FR_SWAP_SEND:
+	case FR_SWAP_SEND_TIMEOUT:
+	case FR_SWAP_SNK_SRC_TRANSITION_TO_OFF:
+	case FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED:
+		if (port->tcpc->frs_sourcing_vbus)
+			port->tcpc->frs_sourcing_vbus(port->tcpc);
+		break;
 	case FR_SWAP_SNK_SRC_NEW_SINK_READY:
+		if (port->tcpc->frs_sourcing_vbus)
+			port->tcpc->frs_sourcing_vbus(port->tcpc);
 		tcpm_set_state(port, FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED, 0);
 		break;
 
@@ -4153,16 +5284,8 @@
 	case SNK_HARD_RESET_SINK_OFF:
 		tcpm_set_state(port, SNK_HARD_RESET_WAIT_VBUS, 0);
 		break;
-	case SRC_HARD_RESET_VBUS_OFF:
-		/*
-		 * After establishing the vSafe0V voltage condition on VBUS, the Source Shall wait
-		 * tSrcRecover before re-applying VCONN and restoring VBUS to vSafe5V.
-		 */
-		tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SRC_RECOVER);
-		break;
 	case HARD_RESET_SEND:
 		break;
-
 	case SNK_TRY:
 		/* Do nothing, waiting for timeout */
 		break;
@@ -4180,6 +5303,7 @@
 		break;
 	case SNK_ATTACH_WAIT:
 	case SNK_DEBOUNCED:
+		port->debouncing = false;
 		/* Do nothing, as TCPM is still waiting for vbus to reaach VSAFE5V to connect */
 		break;
 
@@ -4194,6 +5318,14 @@
 		/* Do nothing, expected */
 		break;
 
+	case PR_SWAP_SNK_SRC_SOURCE_ON:
+		/*
+		 * Do nothing when vbus off notification is received.
+		 * TCPM can wait for PD_T_NEWSRC in PR_SWAP_SNK_SRC_SOURCE_ON
+		 * for the vbus source to ramp up.
+		 */
+		break;
+
 	case PORT_RESET_WAIT_OFF:
 		tcpm_set_state(port, tcpm_default_state(port), 0);
 		break;
@@ -4203,6 +5335,25 @@
 		/* Do nothing, waiting for sink detection */
 		break;
 
+	case SRC_STARTUP:
+	case SRC_SEND_CAPABILITIES:
+	case SRC_SEND_CAPABILITIES_TIMEOUT:
+	case SRC_NEGOTIATE_CAPABILITIES:
+	case SRC_TRANSITION_SUPPLY:
+	case SRC_READY:
+	case SRC_WAIT_NEW_CAPABILITIES:
+		/*
+		 * Force to unattached state to re-initiate connection.
+		 * DRP port should move to Unattached.SNK instead of Unattached.SRC if
+		 * sink removed. Although sink removal here is due to source's vbus collapse,
+		 * treat it the same way for consistency.
+		 */
+		if (port->port_type == TYPEC_PORT_SRC)
+			tcpm_set_state(port, SRC_UNATTACHED, tcpm_wait_for_discharge(port));
+		else
+			tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port));
+		break;
+
 	case PORT_RESET:
 		/*
 		 * State set back to default mode once the timer completes.
@@ -4218,9 +5369,66 @@
 		/* Do nothing, vbus drop expected */
 		break;
 
+	case SNK_HARD_RESET_WAIT_VBUS:
+		/* Do nothing, its OK to receive vbus off events */
+		break;
+
 	default:
-		if (port->pwr_role == TYPEC_SINK &&
-		    port->attached)
+		if (port->pwr_role == TYPEC_SINK && port->attached)
+			tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port));
+		break;
+	}
+}
+
+static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port)
+{
+	unsigned int timer_val_msecs;
+
+	tcpm_log_force(port, "VBUS VSAFE0V");
+	port->vbus_vsafe0v = true;
+	switch (port->state) {
+	case SRC_HARD_RESET_VBUS_OFF:
+		/*
+		 * After establishing the vSafe0V voltage condition on VBUS, the Source Shall wait
+		 * tSrcRecover before re-applying VCONN and restoring VBUS to vSafe5V.
+		 */
+		tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SRC_RECOVER);
+		break;
+	case SRC_ATTACH_WAIT:
+		timer_val_msecs = PD_T_CC_DEBOUNCE;
+		trace_android_vh_typec_tcpm_get_timer(tcpm_states[SRC_ATTACH_WAIT],
+						      CC_DEBOUNCE, &timer_val_msecs);
+		if (tcpm_port_is_source(port))
+			tcpm_set_state(port, tcpm_try_snk(port) ? SNK_TRY : SRC_ATTACHED,
+				       timer_val_msecs);
+		break;
+	case SRC_STARTUP:
+	case SRC_SEND_CAPABILITIES:
+	case SRC_SEND_CAPABILITIES_TIMEOUT:
+	case SRC_NEGOTIATE_CAPABILITIES:
+	case SRC_TRANSITION_SUPPLY:
+	case SRC_READY:
+	case SRC_WAIT_NEW_CAPABILITIES:
+		if (port->auto_vbus_discharge_enabled) {
+			if (port->port_type == TYPEC_PORT_SRC)
+				tcpm_set_state(port, SRC_UNATTACHED, 0);
+			else
+				tcpm_set_state(port, SNK_UNATTACHED, 0);
+		}
+		break;
+	case PR_SWAP_SNK_SRC_SINK_OFF:
+	case PR_SWAP_SNK_SRC_SOURCE_ON:
+		/* Do nothing, vsafe0v is expected during transition */
+		break;
+	case SNK_ATTACH_WAIT:
+	case SNK_DEBOUNCED:
+		/*Do nothing, still waiting for VSAFE5V for connect */
+		break;
+	case SNK_HARD_RESET_WAIT_VBUS:
+		/* Do nothing, its OK to receive vbus off events */
+		break;
+	default:
+		if (port->pwr_role == TYPEC_SINK && port->auto_vbus_discharge_enabled)
 			tcpm_set_state(port, SNK_UNATTACHED, 0);
 		break;
 	}
@@ -4232,6 +5440,10 @@
 	if (port->bist_request == BDO_MODE_TESTDATA && port->tcpc->set_bist_data)
 		port->tcpc->set_bist_data(port->tcpc, false);
 
+	if (port->ams != NONE_AMS)
+		port->ams = NONE_AMS;
+	if (port->hard_reset_count < PD_N_HARD_RESET_COUNT)
+		port->ams = HARD_RESET;
 	/*
 	 * If we keep receiving hard reset requests, executing the hard reset
 	 * must have failed. Revert to error recovery if that happens.
@@ -4261,22 +5473,66 @@
 			bool vbus;
 
 			vbus = port->tcpc->get_vbus(port->tcpc);
-			if (vbus)
+			if (vbus) {
 				_tcpm_pd_vbus_on(port);
-			else
+			} else {
 				_tcpm_pd_vbus_off(port);
+				/*
+				 * When TCPC does not support detecting vsafe0v voltage level,
+				 * treat vbus absent as vsafe0v. Else invoke is_vbus_vsafe0v
+				 * to see if vbus has discharge to VSAFE0V.
+				 */
+				if (!port->tcpc->is_vbus_vsafe0v ||
+				    port->tcpc->is_vbus_vsafe0v(port->tcpc))
+					_tcpm_pd_vbus_vsafe0v(port);
+			}
 		}
 		if (events & TCPM_CC_EVENT) {
 			enum typec_cc_status cc1, cc2;
+			bool modified = false;
 
 			if (port->tcpc->get_cc(port->tcpc, &cc1, &cc2) == 0)
 				_tcpm_cc_change(port, cc1, cc2);
+
+			trace_android_vh_typec_tcpm_modify_src_caps(&port->nr_src_pdo,
+								    &port->src_pdo, &modified);
+			if (modified) {
+				int ret;
+
+				switch (port->state) {
+				case SRC_UNATTACHED:
+				case SRC_ATTACH_WAIT:
+				case SRC_TRYWAIT:
+					tcpm_set_cc(port, tcpm_rp_cc(port));
+					break;
+				case SRC_SEND_CAPABILITIES:
+				case SRC_SEND_CAPABILITIES_TIMEOUT:
+				case SRC_NEGOTIATE_CAPABILITIES:
+				case SRC_READY:
+				case SRC_WAIT_NEW_CAPABILITIES:
+					port->caps_count = 0;
+					port->upcoming_state = SRC_SEND_CAPABILITIES;
+					ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+					if (ret == -EAGAIN)
+						port->upcoming_state = INVALID_STATE;
+					break;
+				default:
+					break;
+				}
+			}
+
 		}
 		if (events & TCPM_FRS_EVENT) {
-			if (port->state == SNK_READY)
-				tcpm_set_state(port, FR_SWAP_SEND, 0);
-			else
+			if (port->state == SNK_READY) {
+				int ret;
+
+				port->upcoming_state = FR_SWAP_SEND;
+				ret = tcpm_ams_start(port, FAST_ROLE_SWAP);
+				if (ret == -EAGAIN)
+					port->upcoming_state = INVALID_STATE;
+			} else {
 				tcpm_log(port, "Discarding FRS_SIGNAL! Not in sink ready");
+			}
 		}
 		if (events & TCPM_SOURCING_VBUS) {
 			tcpm_log(port, "sourcing vbus");
@@ -4345,6 +5601,7 @@
 static void tcpm_enable_frs_work(struct kthread_work *work)
 {
 	struct tcpm_port *port = container_of(work, struct tcpm_port, enable_frs);
+	int ret;
 
 	mutex_lock(&port->lock);
 	/* Not FRS capable */
@@ -4356,18 +5613,49 @@
 		goto unlock;
 
 	/* Send when the state machine is idle */
-	if (port->state != SNK_READY || port->vdm_state != VDM_STATE_DONE || port->send_discover)
+	if (port->state != SNK_READY || port->vdm_sm_running || port->send_discover)
 		goto resched;
 
-	tcpm_set_state(port, GET_SINK_CAP, 0);
-	port->sink_cap_done = true;
-
+	port->upcoming_state = GET_SINK_CAP;
+	ret = tcpm_ams_start(port, GET_SINK_CAPABILITIES);
+	if (ret == -EAGAIN) {
+		port->upcoming_state = INVALID_STATE;
+	} else {
+		port->sink_cap_done = true;
+		goto unlock;
+	}
 resched:
 	mod_enable_frs_delayed_work(port, GET_SINK_CAP_RETRY_MS);
 unlock:
 	mutex_unlock(&port->lock);
 }
 
+static void tcpm_send_discover_work(struct kthread_work *work)
+{
+	struct tcpm_port *port = container_of(work, struct tcpm_port, send_discover_work);
+
+	mutex_lock(&port->lock);
+	/* No need to send DISCOVER_IDENTITY anymore */
+	if (!port->send_discover)
+		goto unlock;
+
+	if (port->data_role == TYPEC_DEVICE && port->negotiated_rev < PD_REV30) {
+		port->send_discover = false;
+		goto unlock;
+	}
+
+	/* Retry if the port is not idle */
+	if ((port->state != SRC_READY && port->state != SNK_READY) || port->vdm_sm_running) {
+		mod_send_discover_delayed_work(port, SEND_DISCOVER_RETRY_MS);
+		goto unlock;
+	}
+
+	tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0);
+
+unlock:
+	mutex_unlock(&port->lock);
+}
+
 static int tcpm_dr_set(struct typec_port *p, enum typec_data_role data)
 {
 	struct tcpm_port *port = typec_get_drvdata(p);
@@ -4411,7 +5699,12 @@
 		port->non_pd_role_swap = true;
 		tcpm_set_state(port, PORT_RESET, 0);
 	} else {
-		tcpm_set_state(port, DR_SWAP_SEND, 0);
+		port->upcoming_state = DR_SWAP_SEND;
+		ret = tcpm_ams_start(port, DATA_ROLE_SWAP);
+		if (ret == -EAGAIN) {
+			port->upcoming_state = INVALID_STATE;
+			goto port_unlock;
+		}
 	}
 
 	port->swap_status = 0;
@@ -4457,10 +5750,16 @@
 		goto port_unlock;
 	}
 
+	port->upcoming_state = PR_SWAP_SEND;
+	ret = tcpm_ams_start(port, POWER_ROLE_SWAP);
+	if (ret == -EAGAIN) {
+		port->upcoming_state = INVALID_STATE;
+		goto port_unlock;
+	}
+
 	port->swap_status = 0;
 	port->swap_pending = true;
 	reinit_completion(&port->swap_complete);
-	tcpm_set_state(port, PR_SWAP_SEND, 0);
 	mutex_unlock(&port->lock);
 
 	if (!wait_for_completion_timeout(&port->swap_complete,
@@ -4496,10 +5795,16 @@
 		goto port_unlock;
 	}
 
+	port->upcoming_state = VCONN_SWAP_SEND;
+	ret = tcpm_ams_start(port, VCONN_SWAP);
+	if (ret == -EAGAIN) {
+		port->upcoming_state = INVALID_STATE;
+		goto port_unlock;
+	}
+
 	port->swap_status = 0;
 	port->swap_pending = true;
 	reinit_completion(&port->swap_complete);
-	tcpm_set_state(port, VCONN_SWAP_SEND, 0);
 	mutex_unlock(&port->lock);
 
 	if (!wait_for_completion_timeout(&port->swap_complete,
@@ -4564,6 +5869,13 @@
 		goto port_unlock;
 	}
 
+	port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+	ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+	if (ret == -EAGAIN) {
+		port->upcoming_state = INVALID_STATE;
+		goto port_unlock;
+	}
+
 	/* Round down operating current to align with PPS valid steps */
 	req_op_curr = req_op_curr - (req_op_curr % RDO_PROG_CURR_MA_STEP);
 
@@ -4571,7 +5883,6 @@
 	port->pps_data.req_op_curr = req_op_curr;
 	port->pps_status = 0;
 	port->pps_pending = true;
-	tcpm_set_state(port, SNK_NEGOTIATE_PPS_CAPABILITIES, 0);
 	mutex_unlock(&port->lock);
 
 	if (!wait_for_completion_timeout(&port->pps_complete,
@@ -4620,6 +5931,13 @@
 		goto port_unlock;
 	}
 
+	port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+	ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+	if (ret == -EAGAIN) {
+		port->upcoming_state = INVALID_STATE;
+		goto port_unlock;
+	}
+
 	/* Round down output voltage to align with PPS valid steps */
 	req_out_volt = req_out_volt - (req_out_volt % RDO_PROG_VOLT_MV_STEP);
 
@@ -4627,7 +5945,6 @@
 	port->pps_data.req_out_volt = req_out_volt;
 	port->pps_status = 0;
 	port->pps_pending = true;
-	tcpm_set_state(port, SNK_NEGOTIATE_PPS_CAPABILITIES, 0);
 	mutex_unlock(&port->lock);
 
 	if (!wait_for_completion_timeout(&port->pps_complete,
@@ -4667,6 +5984,16 @@
 		goto port_unlock;
 	}
 
+	if (activate)
+		port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+	else
+		port->upcoming_state = SNK_NEGOTIATE_CAPABILITIES;
+	ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+	if (ret == -EAGAIN) {
+		port->upcoming_state = INVALID_STATE;
+		goto port_unlock;
+	}
+
 	reinit_completion(&port->pps_complete);
 	port->pps_status = 0;
 	port->pps_pending = true;
@@ -4675,9 +6002,6 @@
 	if (activate) {
 		port->pps_data.req_out_volt = port->supply_voltage;
 		port->pps_data.req_op_curr = port->current_limit;
-		tcpm_set_state(port, SNK_NEGOTIATE_PPS_CAPABILITIES, 0);
-	} else {
-		tcpm_set_state(port, SNK_NEGOTIATE_CAPABILITIES, 0);
 	}
 	mutex_unlock(&port->lock);
 
@@ -4714,6 +6038,24 @@
 	if (port->vbus_present)
 		port->vbus_never_low = true;
 
+	/*
+	 * 1. When vbus_present is true, voltage on VBUS is already at VSAFE5V.
+	 * So implicitly vbus_vsafe0v = false.
+	 *
+	 * 2. When vbus_present is false and TCPC does NOT support querying
+	 * vsafe0v status, then, it's best to assume vbus is at VSAFE0V i.e.
+	 * vbus_vsafe0v is true.
+	 *
+	 * 3. When vbus_present is false and TCPC does support querying vsafe0v,
+	 * then, query tcpc for vsafe0v status.
+	 */
+	if (port->vbus_present)
+		port->vbus_vsafe0v = false;
+	else if (!port->tcpc->is_vbus_vsafe0v)
+		port->vbus_vsafe0v = true;
+	else
+		port->vbus_vsafe0v = port->tcpc->is_vbus_vsafe0v(port->tcpc);
+
 	tcpm_set_state(port, tcpm_default_state(port), 0);
 
 	if (port->tcpc->get_cc(port->tcpc, &cc1, &cc2) == 0)
@@ -4773,6 +6115,7 @@
 static int tcpm_fw_get_caps(struct tcpm_port *port,
 			    struct fwnode_handle *fwnode)
 {
+	const char *opmode_str;
 	const char *cap_str;
 	int ret;
 	u32 mw, frs_current;
@@ -4798,21 +6141,37 @@
 		return ret;
 	port->typec_caps.type = ret;
 	port->port_type = port->typec_caps.type;
+	port->pd_supported = !fwnode_property_read_bool(fwnode, "pd-disable");
 
+	port->slow_charger_loop = fwnode_property_read_bool(fwnode, "slow-charger-loop");
 	if (port->port_type == TYPEC_PORT_SNK)
 		goto sink;
 
-	/* Get source pdos */
-	ret = fwnode_property_count_u32(fwnode, "source-pdos");
-	if (ret <= 0)
-		return -EINVAL;
+	/* Get Source PDOs for the PD port or Source Rp value for the non-PD port */
+	if (port->pd_supported) {
+		ret = fwnode_property_count_u32(fwnode, "source-pdos");
+		if (ret == 0)
+			return -EINVAL;
+		else if (ret < 0)
+			return ret;
 
-	port->nr_src_pdo = min(ret, PDO_MAX_OBJECTS);
-	ret = fwnode_property_read_u32_array(fwnode, "source-pdos",
-					     port->src_pdo, port->nr_src_pdo);
-	if ((ret < 0) || tcpm_validate_caps(port, port->src_pdo,
-					    port->nr_src_pdo))
-		return -EINVAL;
+		port->nr_src_pdo = min(ret, PDO_MAX_OBJECTS);
+		ret = fwnode_property_read_u32_array(fwnode, "source-pdos",
+						     port->src_pdo, port->nr_src_pdo);
+		if (ret)
+			return ret;
+		ret = tcpm_validate_caps(port, port->src_pdo, port->nr_src_pdo);
+		if (ret)
+			return ret;
+	} else {
+		ret = fwnode_property_read_string(fwnode, "typec-power-opmode", &opmode_str);
+		if (ret)
+			return ret;
+		ret = typec_find_pwr_opmode(opmode_str);
+		if (ret < 0)
+			return ret;
+		port->src_rp = tcpm_pwr_opmode_to_rp(ret);
+	}
 
 	if (port->port_type == TYPEC_PORT_SRC)
 		return 0;
@@ -4826,6 +6185,11 @@
 	if (port->typec_caps.prefer_role < 0)
 		return -EINVAL;
 sink:
+	port->self_powered = fwnode_property_read_bool(fwnode, "self-powered");
+
+	if (!port->pd_supported)
+		return 0;
+
 	/* Get sink pdos */
 	ret = fwnode_property_count_u32(fwnode, "sink-pdos");
 	if (ret <= 0)
@@ -4842,18 +6206,101 @@
 		return -EINVAL;
 	port->operating_snk_mw = mw / 1000;
 
-	port->self_powered = fwnode_property_read_bool(fwnode, "self-powered");
-
-	/* FRS can only be supported byb DRP ports */
+	/* FRS can only be supported by DRP ports */
 	if (port->port_type == TYPEC_PORT_DRP) {
-		ret = fwnode_property_read_u32(fwnode, "frs-typec-current", &frs_current);
+		ret = fwnode_property_read_u32(fwnode, "new-source-frs-typec-current",
+					       &frs_current);
 		if (ret >= 0 && frs_current <= FRS_5V_3A)
-			port->frs_current = frs_current;
+			port->new_source_frs_current = frs_current;
+	}
+
+	/* sink-vdos is optional */
+	ret = fwnode_property_count_u32(fwnode, "sink-vdos");
+	if (ret < 0)
+		ret = 0;
+
+	port->nr_snk_vdo = min(ret, VDO_MAX_OBJECTS);
+	if (port->nr_snk_vdo) {
+		ret = fwnode_property_read_u32_array(fwnode, "sink-vdos",
+						     port->snk_vdo,
+						     port->nr_snk_vdo);
+		if (ret < 0)
+			return ret;
+	}
+
+	/* If sink-vdos is found, sink-vdos-v1 is expected for backward compatibility. */
+	if (port->nr_snk_vdo) {
+		ret = fwnode_property_count_u32(fwnode, "sink-vdos-v1");
+		if (ret < 0)
+			return ret;
+		else if (ret == 0)
+			return -ENODATA;
+
+		port->nr_snk_vdo_v1 = min(ret, VDO_MAX_OBJECTS);
+		ret = fwnode_property_read_u32_array(fwnode, "sink-vdos-v1",
+						     port->snk_vdo_v1,
+						     port->nr_snk_vdo_v1);
+		if (ret < 0)
+			return ret;
 	}
 
 	return 0;
 }
 
+static int tcpm_copy_pdos(u32 *dest_pdo, const u32 *src_pdo, unsigned int nr_pdo)
+{
+	unsigned int i;
+
+	if (nr_pdo > PDO_MAX_OBJECTS)
+		nr_pdo = PDO_MAX_OBJECTS;
+
+	for (i = 0; i < nr_pdo; i++)
+		dest_pdo[i] = src_pdo[i];
+
+	return nr_pdo;
+}
+
+int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo, unsigned int nr_pdo,
+				  unsigned int operating_snk_mw)
+{
+	int ret = 0;
+
+	if (tcpm_validate_caps(port, pdo, nr_pdo))
+		return -EINVAL;
+
+	mutex_lock(&port->lock);
+	port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, pdo, nr_pdo);
+	port->operating_snk_mw = operating_snk_mw;
+
+	switch (port->state) {
+	case SNK_NEGOTIATE_CAPABILITIES:
+	case SNK_NEGOTIATE_PPS_CAPABILITIES:
+	case SNK_READY:
+	case SNK_TRANSITION_SINK:
+	case SNK_TRANSITION_SINK_VBUS:
+		if (port->pps_data.active)
+			port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+		else if (port->pd_capable)
+			port->upcoming_state = SNK_NEGOTIATE_CAPABILITIES;
+		else
+			break;
+
+		port->update_sink_caps = true;
+
+		ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+		if (ret == -EAGAIN) {
+			port->upcoming_state = INVALID_STATE;
+			break;
+		}
+		break;
+	default:
+		break;
+	}
+	mutex_unlock(&port->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tcpm_update_sink_capabilities);
+
 /* Power Supply access to expose source power information */
 enum tcpm_psy_online_states {
 	TCPM_PSY_OFFLINE = 0,
@@ -4968,7 +6415,6 @@
 		ret = -EINVAL;
 		break;
 	}
-
 	return ret;
 }
 
@@ -4999,6 +6445,13 @@
 	struct tcpm_port *port = power_supply_get_drvdata(psy);
 	int ret;
 
+	/*
+	 * All the properties below are related to USB PD. The check needs to be
+	 * property specific when a non-pd related property is added.
+	 */
+	if (!port->pd_supported)
+		return -EOPNOTSUPP;
+
 	switch (psp) {
 	case POWER_SUPPLY_PROP_ONLINE:
 		ret = tcpm_psy_set_online(port, val);
@@ -5103,6 +6556,14 @@
 	return HRTIMER_NORESTART;
 }
 
+static enum hrtimer_restart send_discover_timer_handler(struct hrtimer *timer)
+{
+	struct tcpm_port *port = container_of(timer, struct tcpm_port, send_discover_timer);
+
+	kthread_queue_work(port->wq, &port->send_discover_work);
+	return HRTIMER_NORESTART;
+}
+
 struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
 {
 	struct tcpm_port *port;
@@ -5133,12 +6594,15 @@
 	kthread_init_work(&port->vdm_state_machine, vdm_state_machine_work);
 	kthread_init_work(&port->event_work, tcpm_pd_event_handler);
 	kthread_init_work(&port->enable_frs, tcpm_enable_frs_work);
+	kthread_init_work(&port->send_discover_work, tcpm_send_discover_work);
 	hrtimer_init(&port->state_machine_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	port->state_machine_timer.function = state_machine_timer_handler;
 	hrtimer_init(&port->vdm_state_machine_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	port->vdm_state_machine_timer.function = vdm_state_machine_timer_handler;
 	hrtimer_init(&port->enable_frs_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	port->enable_frs_timer.function = enable_frs_timer_handler;
+	hrtimer_init(&port->send_discover_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+	port->send_discover_timer.function = send_discover_timer_handler;
 
 	spin_lock_init(&port->pd_event_lock);
 
@@ -5156,6 +6620,7 @@
 	port->typec_caps.fwnode = tcpc->fwnode;
 	port->typec_caps.revision = 0x0120;	/* Type-C spec release 1.2 */
 	port->typec_caps.pd_revision = 0x0300;	/* USB-PD spec release 3.0 */
+	port->typec_caps.svdm_version = SVDM_VER_2_0;
 	port->typec_caps.driver_data = port;
 	port->typec_caps.ops = &tcpm_ops;
 	port->typec_caps.orientation_aware = 1;
@@ -5180,6 +6645,10 @@
 		goto out_role_sw_put;
 	}
 
+	typec_port_register_altmodes(port->typec_port,
+				     &tcpm_altmode_ops, port,
+				     port->port_altmode, ALTMODE_DISCOVERY_MAX);
+
 	mutex_lock(&port->lock);
 	tcpm_init(port);
 	mutex_unlock(&port->lock);
@@ -5200,6 +6669,7 @@
 {
 	int i;
 
+	hrtimer_cancel(&port->send_discover_timer);
 	hrtimer_cancel(&port->enable_frs_timer);
 	hrtimer_cancel(&port->vdm_state_machine_timer);
 	hrtimer_cancel(&port->state_machine_timer);
diff --git a/drivers/usb/typec/tcpm/wcove.c b/drivers/usb/typec/tcpm/wcove.c
index 7e9c279..5d12533 100644
--- a/drivers/usb/typec/tcpm/wcove.c
+++ b/drivers/usb/typec/tcpm/wcove.c
@@ -356,7 +356,8 @@
 
 static int wcove_pd_transmit(struct tcpc_dev *tcpc,
 			     enum tcpm_transmit_type type,
-			     const struct pd_message *msg)
+			     const struct pd_message *msg,
+			     unsigned int negotiated_rev)
 {
 	struct wcove_typec *wcove = tcpc_to_wcove(tcpc);
 	unsigned int info = 0;
diff --git a/drivers/usb/typec/ucsi/Kconfig b/drivers/usb/typec/ucsi/Kconfig
index 2192d7c..5e9b37b 100644
--- a/drivers/usb/typec/ucsi/Kconfig
+++ b/drivers/usb/typec/ucsi/Kconfig
@@ -3,6 +3,7 @@
 config TYPEC_UCSI
 	tristate "USB Type-C Connector System Software Interface driver"
 	depends on !CPU_BIG_ENDIAN
+	depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH
 	help
 	  USB Type-C Connector System Software Interface (UCSI) is a
 	  specification for an interface that allows the operating system to
diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c
index 261131c..73cd5bf 100644
--- a/drivers/usb/typec/ucsi/displayport.c
+++ b/drivers/usb/typec/ucsi/displayport.c
@@ -49,6 +49,7 @@
 {
 	struct ucsi_dp *dp = typec_altmode_get_drvdata(alt);
 	struct ucsi *ucsi = dp->con->ucsi;
+	int svdm_version;
 	u64 command;
 	u8 cur = 0;
 	int ret;
@@ -83,7 +84,13 @@
 	 * mode, and letting the alt mode driver continue.
 	 */
 
-	dp->header = VDO(USB_TYPEC_DP_SID, 1, CMD_ENTER_MODE);
+	svdm_version = typec_altmode_get_svdm_version(alt);
+	if (svdm_version < 0) {
+		ret = svdm_version;
+		goto err_unlock;
+	}
+
+	dp->header = VDO(USB_TYPEC_DP_SID, 1, svdm_version, CMD_ENTER_MODE);
 	dp->header |= VDO_OPOS(USB_TYPEC_DP_MODE);
 	dp->header |= VDO_CMDT(CMDT_RSP_ACK);
 
@@ -101,6 +108,7 @@
 static int ucsi_displayport_exit(struct typec_altmode *alt)
 {
 	struct ucsi_dp *dp = typec_altmode_get_drvdata(alt);
+	int svdm_version;
 	u64 command;
 	int ret = 0;
 
@@ -120,7 +128,13 @@
 	if (ret < 0)
 		goto out_unlock;
 
-	dp->header = VDO(USB_TYPEC_DP_SID, 1, CMD_EXIT_MODE);
+	svdm_version = typec_altmode_get_svdm_version(alt);
+	if (svdm_version < 0) {
+		ret = svdm_version;
+		goto out_unlock;
+	}
+
+	dp->header = VDO(USB_TYPEC_DP_SID, 1, svdm_version, CMD_EXIT_MODE);
 	dp->header |= VDO_OPOS(USB_TYPEC_DP_MODE);
 	dp->header |= VDO_CMDT(CMDT_RSP_ACK);
 
@@ -186,6 +200,7 @@
 	struct ucsi_dp *dp = typec_altmode_get_drvdata(alt);
 	int cmd_type = PD_VDO_CMDT(header);
 	int cmd = PD_VDO_CMD(header);
+	int svdm_version;
 
 	mutex_lock(&dp->con->lock);
 
@@ -198,9 +213,20 @@
 		return -EOPNOTSUPP;
 	}
 
+	svdm_version = typec_altmode_get_svdm_version(alt);
+	if (svdm_version < 0) {
+		mutex_unlock(&dp->con->lock);
+		return svdm_version;
+	}
+
 	switch (cmd_type) {
 	case CMDT_INIT:
-		dp->header = VDO(USB_TYPEC_DP_SID, 1, cmd);
+		if (PD_VDO_SVDM_VER(header) < svdm_version) {
+			typec_partner_set_svdm_version(dp->con->partner, PD_VDO_SVDM_VER(header));
+			svdm_version = PD_VDO_SVDM_VER(header);
+		}
+
+		dp->header = VDO(USB_TYPEC_DP_SID, 1, svdm_version, cmd);
 		dp->header |= VDO_OPOS(USB_TYPEC_DP_MODE);
 
 		switch (cmd) {
diff --git a/drivers/usb/typec/ucsi/psy.c b/drivers/usb/typec/ucsi/psy.c
index 571a51e..387ba85 100644
--- a/drivers/usb/typec/ucsi/psy.c
+++ b/drivers/usb/typec/ucsi/psy.c
@@ -69,7 +69,7 @@
 
 	switch (UCSI_CONSTAT_PWR_OPMODE(con->status.flags)) {
 	case UCSI_CONSTAT_PWR_OPMODE_PD:
-		if (con->num_pdos > 0) {
+		if (con->num_pdos > 0 && con->num_pdos <= UCSI_MAX_PDOS) {
 			pdo = con->src_pdos[con->num_pdos - 1];
 			val->intval = pdo_fixed_voltage(pdo) * 1000;
 		} else {
@@ -98,7 +98,7 @@
 	switch (UCSI_CONSTAT_PWR_OPMODE(con->status.flags)) {
 	case UCSI_CONSTAT_PWR_OPMODE_PD:
 		index = rdo_index(con->rdo);
-		if (index > 0) {
+		if (index > 0 && index <= UCSI_MAX_PDOS) {
 			pdo = con->src_pdos[index - 1];
 			val->intval = pdo_fixed_voltage(pdo) * 1000;
 		} else {
@@ -125,7 +125,7 @@
 
 	switch (UCSI_CONSTAT_PWR_OPMODE(con->status.flags)) {
 	case UCSI_CONSTAT_PWR_OPMODE_PD:
-		if (con->num_pdos > 0) {
+		if (con->num_pdos > 0 && con->num_pdos <= UCSI_MAX_PDOS) {
 			pdo = con->src_pdos[con->num_pdos - 1];
 			val->intval = pdo_max_current(pdo) * 1000;
 		} else {
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index cd36890..8ed0f49 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -613,6 +613,7 @@
 
 static void ucsi_partner_change(struct ucsi_connector *con)
 {
+	enum usb_role u_role = USB_ROLE_NONE;
 	int ret;
 
 	if (!con->partner)
@@ -620,11 +621,14 @@
 
 	switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
 	case UCSI_CONSTAT_PARTNER_TYPE_UFP:
-	case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
 	case UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP:
+		u_role = USB_ROLE_HOST;
+		fallthrough;
+	case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
 		typec_set_data_role(con->port, TYPEC_HOST);
 		break;
 	case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+		u_role = USB_ROLE_DEVICE;
 		typec_set_data_role(con->port, TYPEC_DEVICE);
 		break;
 	default:
@@ -635,6 +639,15 @@
 	if (!completion_done(&con->complete))
 		complete(&con->complete);
 
+	/* Only notify USB controller if partner supports USB data */
+	if (!(UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) & UCSI_CONSTAT_PARTNER_FLAG_USB))
+		u_role = USB_ROLE_NONE;
+
+	ret = usb_role_switch_set_role(con->usb_role_sw, u_role);
+	if (ret)
+		dev_err(con->ucsi->dev, "con:%d: failed to set usb role:%d\n",
+			con->num, u_role);
+
 	/* Can't rely on Partner Flags field. Always checking the alt modes. */
 	ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP);
 	if (ret)
@@ -653,6 +666,7 @@
 	struct ucsi_connector_status pre_ack_status;
 	struct ucsi_connector_status post_ack_status;
 	enum typec_role role;
+	enum usb_role u_role = USB_ROLE_NONE;
 	u16 inferred_changes;
 	u16 changed_flags;
 	u64 command;
@@ -778,11 +792,14 @@
 
 		switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
 		case UCSI_CONSTAT_PARTNER_TYPE_UFP:
-		case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
 		case UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP:
+			u_role = USB_ROLE_HOST;
+			fallthrough;
+		case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
 			typec_set_data_role(con->port, TYPEC_HOST);
 			break;
 		case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+			u_role = USB_ROLE_DEVICE;
 			typec_set_data_role(con->port, TYPEC_DEVICE);
 			break;
 		default:
@@ -795,6 +812,16 @@
 			ucsi_unregister_partner(con);
 
 		ucsi_port_psy_changed(con);
+
+		/* Only notify USB controller if partner supports USB data */
+		if (!(UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) &
+				UCSI_CONSTAT_PARTNER_FLAG_USB))
+			u_role = USB_ROLE_NONE;
+
+		ret = usb_role_switch_set_role(con->usb_role_sw, u_role);
+		if (ret)
+			dev_err(ucsi->dev, "con:%d: failed to set usb role:%d\n",
+				con->num, u_role);
 	}
 
 	if (con->status.change & UCSI_CONSTAT_PARTNER_CHANGE)
@@ -1024,6 +1051,7 @@
 	struct ucsi_connector *con = &ucsi->connector[index];
 	struct typec_capability *cap = &con->typec_cap;
 	enum typec_accessory *accessory = cap->accessory;
+	enum usb_role u_role = USB_ROLE_NONE;
 	u64 command;
 	int ret;
 
@@ -1060,6 +1088,7 @@
 
 	cap->revision = ucsi->cap.typec_version;
 	cap->pd_revision = ucsi->cap.pd_version;
+	cap->svdm_version = SVDM_VER_2_0;
 	cap->prefer_role = TYPEC_NO_PREFERRED_ROLE;
 
 	if (con->cap.op_mode & UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY)
@@ -1102,11 +1131,14 @@
 
 	switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
 	case UCSI_CONSTAT_PARTNER_TYPE_UFP:
-	case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
 	case UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP:
+		u_role = USB_ROLE_HOST;
+		fallthrough;
+	case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
 		typec_set_data_role(con->port, TYPEC_HOST);
 		break;
 	case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+		u_role = USB_ROLE_DEVICE;
 		typec_set_data_role(con->port, TYPEC_DEVICE);
 		break;
 	default:
@@ -1122,6 +1154,24 @@
 		ucsi_port_psy_changed(con);
 	}
 
+	con->usb_role_sw = fwnode_usb_role_switch_get(cap->fwnode);
+	if (IS_ERR(con->usb_role_sw)) {
+		dev_err(ucsi->dev, "con%d: failed to get usb role switch\n",
+			con->num);
+		con->usb_role_sw = NULL;
+	}
+
+	/* Only notify USB controller if partner supports USB data */
+	if (!(UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) & UCSI_CONSTAT_PARTNER_FLAG_USB))
+		u_role = USB_ROLE_NONE;
+
+	ret = usb_role_switch_set_role(con->usb_role_sw, u_role);
+	if (ret) {
+		dev_err(ucsi->dev, "con:%d: failed to set usb role:%d\n",
+			con->num, u_role);
+		ret = 0;
+	}
+
 	if (con->partner) {
 		ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP);
 		if (ret) {
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index fce23ad..b3450d8 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -9,6 +9,8 @@
 #include <linux/types.h>
 #include <linux/usb/typec.h>
 #include <linux/usb/pd.h>
+#include <linux/usb/role.h>
+#include <linux/usb/pd.h>
 
 /* -------------------------------------------------------------------------- */
 
@@ -333,6 +335,8 @@
 	u32 rdo;
 	u32 src_pdos[PDO_MAX_OBJECTS];
 	int num_pdos;
+
+	struct usb_role_switch *usb_role_sw;
 };
 
 int ucsi_send_command(struct ucsi *ucsi, u64 command,
diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c
index c1c0bbc..2920ad4 100644
--- a/drivers/usb/usbip/stub_main.c
+++ b/drivers/usb/usbip/stub_main.c
@@ -102,7 +102,7 @@
 	for (i = 0; i < MAX_BUSID; i++) {
 		spin_lock(&busid_table[i].busid_lock);
 		if (!busid_table[i].name[0]) {
-			strlcpy(busid_table[i].name, busid, BUSID_SIZE);
+			strscpy(busid_table[i].name, busid, BUSID_SIZE);
 			if ((busid_table[i].status != STUB_BUSID_ALLOC) &&
 			    (busid_table[i].status != STUB_BUSID_REMOV))
 				busid_table[i].status = STUB_BUSID_ADDED;
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 7bce5f9..59e0024 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -666,6 +666,10 @@
 	 * executing.
 	 */
 
+	/* Only handle our own sockets */
+	if (vsk->transport != &vhost_transport.transport)
+		return;
+
 	/* If the peer is still valid, no need to reset connection */
 	if (vhost_vsock_get(vsk->remote_addr.svm_cid))
 		return;
@@ -697,8 +701,7 @@
 
 	/* Iterating over all connections for all CIDs to find orphans is
 	 * inefficient.  Room for improvement here. */
-	vsock_for_each_connected_socket(&vhost_transport.transport,
-					vhost_vsock_reset_orphans);
+	vsock_for_each_connected_socket(vhost_vsock_reset_orphans);
 
 	/* Don't check the owner, because we are in the release path, so we
 	 * need to stop the vsock device in any case.
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 7b41130..3ef5544 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -133,7 +133,7 @@
 	 If unsure, say 'N'.
 
 config VIRTIO_DMA_SHARED_BUFFER
-	tristate
+	tristate "Virtio DMA shared buffer support"
 	depends on DMA_SHARED_BUFFER
 	help
 	 This option adds a flavor of dma buffers that are backed by
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 441bc05..97b58c5 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -452,8 +452,9 @@
 			goto err;
 	}
 
-	/* Finally, tell the device we're all set */
-	virtio_add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
+	/* If restore didn't do it, mark device DRIVER_OK ourselves. */
+	if (!(dev->config->get_status(dev) & VIRTIO_CONFIG_S_DRIVER_OK))
+		virtio_device_ready(dev);
 
 	virtio_config_enable(dev);
 
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 935ea2f..3271822 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1118,9 +1118,7 @@
 	 * page reporting as it could potentially change the contents
 	 * of our free pages.
 	 */
-	if (!want_init_on_free() &&
-	    (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) ||
-	     !page_poisoning_enabled()))
+	if (!want_init_on_free() && !page_poisoning_enabled_static())
 		__virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON);
 	else if (!virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON))
 		__virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING);
diff --git a/drivers/virtio/virtio_dma_buf.c b/drivers/virtio/virtio_dma_buf.c
index 5127a2f..f94ab97 100644
--- a/drivers/virtio/virtio_dma_buf.c
+++ b/drivers/virtio/virtio_dma_buf.c
@@ -25,11 +25,14 @@
 			     const struct virtio_dma_buf_ops, ops);
 
 	if (!exp_info->ops ||
-	    exp_info->ops->attach != &virtio_dma_buf_attach ||
 	    !virtio_ops->get_uuid) {
 		return ERR_PTR(-EINVAL);
 	}
 
+	if (!(IS_ENABLED(CONFIG_CFI_CLANG) && IS_ENABLED(CONFIG_MODULES)) &&
+	    exp_info->ops->attach != &virtio_dma_buf_attach)
+		return ERR_PTR(-EINVAL);
+
 	return dma_buf_export(exp_info);
 }
 EXPORT_SYMBOL(virtio_dma_buf_export);
@@ -60,6 +63,9 @@
  */
 bool is_virtio_dma_buf(struct dma_buf *dma_buf)
 {
+	if (IS_ENABLED(CONFIG_CFI_CLANG) && IS_ENABLED(CONFIG_MODULES))
+		return true;
+
 	return dma_buf->ops->attach == &virtio_dma_buf_attach;
 }
 EXPORT_SYMBOL(is_virtio_dma_buf);
diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c
index f1f6208..427d58c 100644
--- a/drivers/virtio/virtio_input.c
+++ b/drivers/virtio/virtio_input.c
@@ -4,6 +4,7 @@
 #include <linux/virtio_config.h>
 #include <linux/input.h>
 #include <linux/slab.h>
+#include <linux/input/mt.h>
 
 #include <uapi/linux/virtio_ids.h>
 #include <uapi/linux/virtio_input.h>
@@ -165,6 +166,15 @@
 	virtio_cread_le(vi->vdev, struct virtio_input_config, u.abs.flat, &fl);
 	input_set_abs_params(vi->idev, abs, mi, ma, fu, fl);
 	input_abs_set_res(vi->idev, abs, re);
+	if (abs == ABS_MT_TRACKING_ID) {
+		unsigned int slot_flags =
+			test_bit(INPUT_PROP_DIRECT, vi->idev->propbit) ?
+				INPUT_MT_DIRECT : 0;
+
+		input_mt_init_slots(vi->idev,
+				    ma, /* input max finger */
+				    slot_flags);
+	}
 }
 
 static int virtinput_init_vqs(struct virtio_input *vi)
diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index 181e2f18b..41bd843 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -1307,11 +1307,12 @@
 	const unsigned long nr_pages = PFN_DOWN(vm->subblock_size) * count;
 	unsigned long start_pfn;
 	int rc;
+	struct acr_info dummy;
 
 	start_pfn = PFN_DOWN(virtio_mem_mb_id_to_phys(mb_id) +
 			     sb_id * vm->subblock_size);
 	rc = alloc_contig_range(start_pfn, start_pfn + nr_pages,
-				MIGRATE_MOVABLE, GFP_KERNEL);
+				MIGRATE_MOVABLE, GFP_KERNEL, &dummy);
 	if (rc == -ENOMEM)
 		/* whoops, out of memory */
 		return rc;
diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c
index 3d6ae5a..2158e16 100644
--- a/drivers/virtio/virtio_pci_modern.c
+++ b/drivers/virtio/virtio_pci_modern.c
@@ -63,12 +63,13 @@
 	vp_iowrite32(val >> 32, hi);
 }
 
-static void __iomem *map_capability(struct pci_dev *dev, int off,
+static void __iomem *map_capability(struct virtio_pci_device *vp_dev, int off,
 				    size_t minlen,
 				    u32 align,
 				    u32 start, u32 size,
 				    size_t *len)
 {
+	struct pci_dev *dev = vp_dev->pci_dev;
 	u8 bar;
 	u32 offset, length;
 	void __iomem *p;
@@ -81,6 +82,13 @@
 	pci_read_config_dword(dev, off + offsetof(struct virtio_pci_cap, length),
 			      &length);
 
+	/* Check if the BAR may have changed since we requested the region. */
+	if (bar >= PCI_STD_NUM_BARS || !(vp_dev->modern_bars & (1 << bar))) {
+		dev_err(&dev->dev,
+			"virtio_pci: bar unexpectedly changed to %u\n", bar);
+		return NULL;
+	}
+
 	if (length <= start) {
 		dev_err(&dev->dev,
 			"virtio_pci: bad capability len %u (>%u expected)\n",
@@ -370,7 +378,7 @@
 		vq->priv = (void __force *)vp_dev->notify_base +
 			off * vp_dev->notify_offset_multiplier;
 	} else {
-		vq->priv = (void __force *)map_capability(vp_dev->pci_dev,
+		vq->priv = (void __force *)map_capability(vp_dev,
 					  vp_dev->notify_map_cap, 2, 2,
 					  off * vp_dev->notify_offset_multiplier, 2,
 					  NULL);
@@ -451,7 +459,7 @@
 
 	for (pos = pci_find_capability(dev, PCI_CAP_ID_VNDR); pos > 0;
 	     pos = pci_find_next_capability(dev, pos, PCI_CAP_ID_VNDR)) {
-		u8 type, cap_len, id;
+		u8 type, cap_len, id, res_bar;
 		u32 tmp32;
 		u64 res_offset, res_length;
 
@@ -473,9 +481,14 @@
 		if (id != required_id)
 			continue;
 
-		/* Type, and ID match, looks good */
 		pci_read_config_byte(dev, pos + offsetof(struct virtio_pci_cap,
-							 bar), bar);
+							 bar), &res_bar);
+		if (res_bar >= PCI_STD_NUM_BARS)
+			continue;
+
+		/* Type and ID match, and the BAR value isn't reserved.
+		 * Looks good.
+		 */
 
 		/* Read the lower 32bit of length and offset */
 		pci_read_config_dword(dev, pos + offsetof(struct virtio_pci_cap,
@@ -495,6 +508,7 @@
 						     length_hi), &tmp32);
 		res_length |= ((u64)tmp32) << 32;
 
+		*bar = res_bar;
 		*offset = res_offset;
 		*len = res_length;
 
@@ -597,7 +611,7 @@
 				     &bar);
 
 		/* Ignore structures with reserved BAR values */
-		if (bar > 0x5)
+		if (bar >= PCI_STD_NUM_BARS)
 			continue;
 
 		if (type == cfg_type) {
@@ -743,13 +757,13 @@
 		return err;
 
 	err = -EINVAL;
-	vp_dev->common = map_capability(pci_dev, common,
+	vp_dev->common = map_capability(vp_dev, common,
 					sizeof(struct virtio_pci_common_cfg), 4,
 					0, sizeof(struct virtio_pci_common_cfg),
 					NULL);
 	if (!vp_dev->common)
 		goto err_map_common;
-	vp_dev->isr = map_capability(pci_dev, isr, sizeof(u8), 1,
+	vp_dev->isr = map_capability(vp_dev, isr, sizeof(u8), 1,
 				     0, 1,
 				     NULL);
 	if (!vp_dev->isr)
@@ -776,7 +790,7 @@
 	 * Otherwise, map each VQ individually later.
 	 */
 	if ((u64)notify_length + (notify_offset % PAGE_SIZE) <= PAGE_SIZE) {
-		vp_dev->notify_base = map_capability(pci_dev, notify, 2, 2,
+		vp_dev->notify_base = map_capability(vp_dev, notify, 2, 2,
 						     0, notify_length,
 						     &vp_dev->notify_len);
 		if (!vp_dev->notify_base)
@@ -789,7 +803,7 @@
 	 * is more than enough for all existing devices.
 	 */
 	if (device) {
-		vp_dev->device = map_capability(pci_dev, device, 0, 4,
+		vp_dev->device = map_capability(vp_dev, device, 0, 4,
 						0, PAGE_SIZE,
 						&vp_dev->device_len);
 		if (!vp_dev->device)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index cf0e8e1..88f846a7 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -74,14 +74,14 @@
 	void *data;			/* Data for callback. */
 	struct vring_packed_desc *indir_desc; /* Indirect descriptor, if any. */
 	u16 num;			/* Descriptor list length. */
-	u16 next;			/* The next desc state in a list. */
 	u16 last;			/* The last desc state in a list. */
 };
 
-struct vring_desc_extra_packed {
+struct vring_desc_extra {
 	dma_addr_t addr;		/* Buffer DMA addr. */
 	u32 len;			/* Buffer length. */
 	u16 flags;			/* Descriptor flags. */
+	u16 next;			/* The next desc state in a list. */
 };
 
 struct vring_virtqueue {
@@ -130,6 +130,7 @@
 
 			/* Per-descriptor state. */
 			struct vring_desc_state_split *desc_state;
+			struct vring_desc_extra *desc_extra;
 
 			/* DMA address and size information */
 			dma_addr_t queue_dma_addr;
@@ -166,7 +167,7 @@
 
 			/* Per-descriptor state. */
 			struct vring_desc_state_packed *desc_state;
-			struct vring_desc_extra_packed *desc_extra;
+			struct vring_desc_extra *desc_extra;
 
 			/* DMA address and size information */
 			dma_addr_t ring_dma_addr;
@@ -364,8 +365,8 @@
  * Split ring specific functions - *_split().
  */
 
-static void vring_unmap_one_split(const struct vring_virtqueue *vq,
-				  struct vring_desc *desc)
+static void vring_unmap_one_split_indirect(const struct vring_virtqueue *vq,
+					   struct vring_desc *desc)
 {
 	u16 flags;
 
@@ -389,6 +390,35 @@
 	}
 }
 
+static unsigned int vring_unmap_one_split(const struct vring_virtqueue *vq,
+					  unsigned int i)
+{
+	struct vring_desc_extra *extra = vq->split.desc_extra;
+	u16 flags;
+
+	if (!vq->use_dma_api)
+		goto out;
+
+	flags = extra[i].flags;
+
+	if (flags & VRING_DESC_F_INDIRECT) {
+		dma_unmap_single(vring_dma_dev(vq),
+				 extra[i].addr,
+				 extra[i].len,
+				 (flags & VRING_DESC_F_WRITE) ?
+				 DMA_FROM_DEVICE : DMA_TO_DEVICE);
+	} else {
+		dma_unmap_page(vring_dma_dev(vq),
+			       extra[i].addr,
+			       extra[i].len,
+			       (flags & VRING_DESC_F_WRITE) ?
+			       DMA_FROM_DEVICE : DMA_TO_DEVICE);
+	}
+
+out:
+	return extra[i].next;
+}
+
 static struct vring_desc *alloc_indirect_split(struct virtqueue *_vq,
 					       unsigned int total_sg,
 					       gfp_t gfp)
@@ -412,6 +442,35 @@
 	return desc;
 }
 
+static inline unsigned int virtqueue_add_desc_split(struct virtqueue *vq,
+						    struct vring_desc *desc,
+						    unsigned int i,
+						    dma_addr_t addr,
+						    unsigned int len,
+						    u16 flags,
+						    bool indirect)
+{
+	struct vring_virtqueue *vring = to_vvq(vq);
+	struct vring_desc_extra *extra = vring->split.desc_extra;
+	u16 next;
+
+	desc[i].flags = cpu_to_virtio16(vq->vdev, flags);
+	desc[i].addr = cpu_to_virtio64(vq->vdev, addr);
+	desc[i].len = cpu_to_virtio32(vq->vdev, len);
+
+	if (!indirect) {
+		next = extra[i].next;
+		desc[i].next = cpu_to_virtio16(vq->vdev, next);
+
+		extra[i].addr = addr;
+		extra[i].len = len;
+		extra[i].flags = flags;
+	} else
+		next = virtio16_to_cpu(vq->vdev, desc[i].next);
+
+	return next;
+}
+
 static inline int virtqueue_add_split(struct virtqueue *_vq,
 				      struct scatterlist *sgs[],
 				      unsigned int total_sg,
@@ -484,11 +543,13 @@
 			if (vring_mapping_error(vq, addr))
 				goto unmap_release;
 
-			desc[i].flags = cpu_to_virtio16(_vq->vdev, VRING_DESC_F_NEXT);
-			desc[i].addr = cpu_to_virtio64(_vq->vdev, addr);
-			desc[i].len = cpu_to_virtio32(_vq->vdev, sg->length);
 			prev = i;
-			i = virtio16_to_cpu(_vq->vdev, desc[i].next);
+			/* Note that we trust indirect descriptor
+			 * table since it use stream DMA mapping.
+			 */
+			i = virtqueue_add_desc_split(_vq, desc, i, addr, sg->length,
+						     VRING_DESC_F_NEXT,
+						     indirect);
 		}
 	}
 	for (; n < (out_sgs + in_sgs); n++) {
@@ -497,15 +558,22 @@
 			if (vring_mapping_error(vq, addr))
 				goto unmap_release;
 
-			desc[i].flags = cpu_to_virtio16(_vq->vdev, VRING_DESC_F_NEXT | VRING_DESC_F_WRITE);
-			desc[i].addr = cpu_to_virtio64(_vq->vdev, addr);
-			desc[i].len = cpu_to_virtio32(_vq->vdev, sg->length);
 			prev = i;
-			i = virtio16_to_cpu(_vq->vdev, desc[i].next);
+			/* Note that we trust indirect descriptor
+			 * table since it use stream DMA mapping.
+			 */
+			i = virtqueue_add_desc_split(_vq, desc, i, addr,
+						     sg->length,
+						     VRING_DESC_F_NEXT |
+						     VRING_DESC_F_WRITE,
+						     indirect);
 		}
 	}
 	/* Last one doesn't continue. */
 	desc[prev].flags &= cpu_to_virtio16(_vq->vdev, ~VRING_DESC_F_NEXT);
+	if (!indirect && vq->use_dma_api)
+		vq->split.desc_extra[prev & (vq->split.vring.num - 1)].flags &=
+			~VRING_DESC_F_NEXT;
 
 	if (indirect) {
 		/* Now that the indirect table is filled in, map it. */
@@ -515,13 +583,11 @@
 		if (vring_mapping_error(vq, addr))
 			goto unmap_release;
 
-		vq->split.vring.desc[head].flags = cpu_to_virtio16(_vq->vdev,
-				VRING_DESC_F_INDIRECT);
-		vq->split.vring.desc[head].addr = cpu_to_virtio64(_vq->vdev,
-				addr);
-
-		vq->split.vring.desc[head].len = cpu_to_virtio32(_vq->vdev,
-				total_sg * sizeof(struct vring_desc));
+		virtqueue_add_desc_split(_vq, vq->split.vring.desc,
+					 head, addr,
+					 total_sg * sizeof(struct vring_desc),
+					 VRING_DESC_F_INDIRECT,
+					 false);
 	}
 
 	/* We're using some buffers from the free list. */
@@ -529,8 +595,7 @@
 
 	/* Update free pointer */
 	if (indirect)
-		vq->free_head = virtio16_to_cpu(_vq->vdev,
-					vq->split.vring.desc[head].next);
+		vq->free_head = vq->split.desc_extra[head].next;
 	else
 		vq->free_head = i;
 
@@ -575,8 +640,11 @@
 	for (n = 0; n < total_sg; n++) {
 		if (i == err_idx)
 			break;
-		vring_unmap_one_split(vq, &desc[i]);
-		i = virtio16_to_cpu(_vq->vdev, desc[i].next);
+		if (indirect) {
+			vring_unmap_one_split_indirect(vq, &desc[i]);
+			i = virtio16_to_cpu(_vq->vdev, desc[i].next);
+		} else
+			i = vring_unmap_one_split(vq, i);
 	}
 
 	if (indirect)
@@ -630,14 +698,13 @@
 	i = head;
 
 	while (vq->split.vring.desc[i].flags & nextflag) {
-		vring_unmap_one_split(vq, &vq->split.vring.desc[i]);
-		i = virtio16_to_cpu(vq->vq.vdev, vq->split.vring.desc[i].next);
+		vring_unmap_one_split(vq, i);
+		i = vq->split.desc_extra[i].next;
 		vq->vq.num_free++;
 	}
 
-	vring_unmap_one_split(vq, &vq->split.vring.desc[i]);
-	vq->split.vring.desc[i].next = cpu_to_virtio16(vq->vq.vdev,
-						vq->free_head);
+	vring_unmap_one_split(vq, i);
+	vq->split.desc_extra[i].next = vq->free_head;
 	vq->free_head = head;
 
 	/* Plus final descriptor */
@@ -652,15 +719,14 @@
 		if (!indir_desc)
 			return;
 
-		len = virtio32_to_cpu(vq->vq.vdev,
-				vq->split.vring.desc[head].len);
+		len = vq->split.desc_extra[head].len;
 
-		BUG_ON(!(vq->split.vring.desc[head].flags &
-			 cpu_to_virtio16(vq->vq.vdev, VRING_DESC_F_INDIRECT)));
+		BUG_ON(!(vq->split.desc_extra[head].flags &
+				VRING_DESC_F_INDIRECT));
 		BUG_ON(len == 0 || len % sizeof(struct vring_desc));
 
 		for (j = 0; j < len / sizeof(struct vring_desc); j++)
-			vring_unmap_one_split(vq, &indir_desc[j]);
+			vring_unmap_one_split_indirect(vq, &indir_desc[j]);
 
 		kfree(indir_desc);
 		vq->split.desc_state[head].indir_desc = NULL;
@@ -912,7 +978,7 @@
  */
 
 static void vring_unmap_state_packed(const struct vring_virtqueue *vq,
-				     struct vring_desc_extra_packed *state)
+				     struct vring_desc_extra *state)
 {
 	u16 flags;
 
@@ -1063,7 +1129,7 @@
 				1 << VRING_PACKED_DESC_F_USED;
 	}
 	vq->packed.next_avail_idx = n;
-	vq->free_head = vq->packed.desc_state[id].next;
+	vq->free_head = vq->packed.desc_extra[id].next;
 
 	/* Store token and indirect buffer state. */
 	vq->packed.desc_state[id].num = 1;
@@ -1179,7 +1245,7 @@
 					le16_to_cpu(flags);
 			}
 			prev = curr;
-			curr = vq->packed.desc_state[curr].next;
+			curr = vq->packed.desc_extra[curr].next;
 
 			if ((unlikely(++i >= vq->packed.vring.num))) {
 				i = 0;
@@ -1223,13 +1289,16 @@
 unmap_release:
 	err_idx = i;
 	i = head;
+	curr = vq->free_head;
 
 	vq->packed.avail_used_flags = avail_used_flags;
 
 	for (n = 0; n < total_sg; n++) {
 		if (i == err_idx)
 			break;
-		vring_unmap_desc_packed(vq, &desc[i]);
+		vring_unmap_state_packed(vq,
+					 &vq->packed.desc_extra[curr]);
+		curr = vq->packed.desc_extra[curr].next;
 		i++;
 		if (i >= vq->packed.vring.num)
 			i = 0;
@@ -1300,7 +1369,7 @@
 	/* Clear data ptr. */
 	state->data = NULL;
 
-	vq->packed.desc_state[state->last].next = vq->free_head;
+	vq->packed.desc_extra[state->last].next = vq->free_head;
 	vq->free_head = id;
 	vq->vq.num_free += state->num;
 
@@ -1309,7 +1378,7 @@
 		for (i = 0; i < state->num; i++) {
 			vring_unmap_state_packed(vq,
 				&vq->packed.desc_extra[curr]);
-			curr = vq->packed.desc_state[curr].next;
+			curr = vq->packed.desc_extra[curr].next;
 		}
 	}
 
@@ -1560,6 +1629,25 @@
 	return NULL;
 }
 
+static struct vring_desc_extra *vring_alloc_desc_extra(struct vring_virtqueue *vq,
+						       unsigned int num)
+{
+	struct vring_desc_extra *desc_extra;
+	unsigned int i;
+
+	desc_extra = kmalloc_array(num, sizeof(struct vring_desc_extra),
+				   GFP_KERNEL);
+	if (!desc_extra)
+		return NULL;
+
+	memset(desc_extra, 0, num * sizeof(struct vring_desc_extra));
+
+	for (i = 0; i < num - 1; i++)
+		desc_extra[i].next = i + 1;
+
+	return desc_extra;
+}
+
 static struct virtqueue *vring_create_virtqueue_packed(
 	unsigned int index,
 	unsigned int num,
@@ -1577,7 +1665,6 @@
 	struct vring_packed_desc_event *driver, *device;
 	dma_addr_t ring_dma_addr, driver_event_dma_addr, device_event_dma_addr;
 	size_t ring_size_in_bytes, event_size_in_bytes;
-	unsigned int i;
 
 	ring_size_in_bytes = num * sizeof(struct vring_packed_desc);
 
@@ -1659,18 +1746,11 @@
 
 	/* Put everything in free lists. */
 	vq->free_head = 0;
-	for (i = 0; i < num-1; i++)
-		vq->packed.desc_state[i].next = i + 1;
 
-	vq->packed.desc_extra = kmalloc_array(num,
-			sizeof(struct vring_desc_extra_packed),
-			GFP_KERNEL);
+	vq->packed.desc_extra = vring_alloc_desc_extra(vq, num);
 	if (!vq->packed.desc_extra)
 		goto err_desc_extra;
 
-	memset(vq->packed.desc_extra, 0,
-		num * sizeof(struct vring_desc_extra_packed));
-
 	/* No callback?  Tell other side not to bother us. */
 	if (!callback) {
 		vq->packed.event_flags_shadow = VRING_PACKED_EVENT_FLAG_DISABLE;
@@ -2074,7 +2154,6 @@
 					void (*callback)(struct virtqueue *),
 					const char *name)
 {
-	unsigned int i;
 	struct vring_virtqueue *vq;
 
 	if (virtio_has_feature(vdev, VIRTIO_F_RING_PACKED))
@@ -2126,15 +2205,15 @@
 
 	vq->split.desc_state = kmalloc_array(vring.num,
 			sizeof(struct vring_desc_state_split), GFP_KERNEL);
-	if (!vq->split.desc_state) {
-		kfree(vq);
-		return NULL;
-	}
+	if (!vq->split.desc_state)
+		goto err_state;
+
+	vq->split.desc_extra = vring_alloc_desc_extra(vq, vring.num);
+	if (!vq->split.desc_extra)
+		goto err_extra;
 
 	/* Put everything in free lists. */
 	vq->free_head = 0;
-	for (i = 0; i < vring.num-1; i++)
-		vq->split.vring.desc[i].next = cpu_to_virtio16(vdev, i + 1);
 	memset(vq->split.desc_state, 0, vring.num *
 			sizeof(struct vring_desc_state_split));
 
@@ -2142,6 +2221,12 @@
 	list_add_tail(&vq->vq.list, &vdev->vqs);
 	spin_unlock(&vdev->vqs_list_lock);
 	return &vq->vq;
+
+err_extra:
+	kfree(vq->split.desc_state);
+err_state:
+	kfree(vq);
+	return NULL;
 }
 EXPORT_SYMBOL_GPL(__vring_new_virtqueue);
 
@@ -2222,8 +2307,10 @@
 					 vq->split.queue_dma_addr);
 		}
 	}
-	if (!vq->packed_ring)
+	if (!vq->packed_ring) {
 		kfree(vq->split.desc_state);
+		kfree(vq->split.desc_extra);
+	}
 	spin_lock(&vq->vq.vdev->vqs_list_lock);
 	list_del(&_vq->list);
 	spin_unlock(&vq->vq.vdev->vqs_list_lock);
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index ad3ee48..933d76e 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -40,14 +40,7 @@
 
 #include <trace/events/swiotlb.h>
 #define MAX_DMA_BITS 32
-/*
- * Used to do a quick range check in swiotlb_tbl_unmap_single and
- * swiotlb_tbl_sync_single_*, to see if the memory was in fact allocated by this
- * API.
- */
 
-static char *xen_io_tlb_start, *xen_io_tlb_end;
-static unsigned long xen_io_tlb_nslabs;
 /*
  * Quick lookup value of the bus address of the IOTLB.
  */
@@ -82,11 +75,6 @@
 	return xen_bus_to_phys(dev, dma_to_phys(dev, dma_addr));
 }
 
-static inline dma_addr_t xen_virt_to_bus(struct device *dev, void *address)
-{
-	return xen_phys_to_dma(dev, virt_to_phys(address));
-}
-
 static inline int range_straddles_page_boundary(phys_addr_t p, size_t size)
 {
 	unsigned long next_bfn, xen_pfn = XEN_PFN_DOWN(p);
@@ -111,15 +99,12 @@
 	 * have the same virtual address as another address
 	 * in our domain. Therefore _only_ check address within our domain.
 	 */
-	if (pfn_valid(PFN_DOWN(paddr))) {
-		return paddr >= virt_to_phys(xen_io_tlb_start) &&
-		       paddr < virt_to_phys(xen_io_tlb_end);
-	}
+	if (pfn_valid(PFN_DOWN(paddr)))
+		return is_swiotlb_buffer(dev, paddr);
 	return 0;
 }
 
-static int
-xen_swiotlb_fixup(void *buf, size_t size, unsigned long nslabs)
+static int xen_swiotlb_fixup(void *buf, unsigned long nslabs)
 {
 	int i, rc;
 	int dma_bits;
@@ -145,16 +130,6 @@
 	} while (i < nslabs);
 	return 0;
 }
-static unsigned long xen_set_nslabs(unsigned long nr_tbl)
-{
-	if (!nr_tbl) {
-		xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT);
-		xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE);
-	} else
-		xen_io_tlb_nslabs = nr_tbl;
-
-	return xen_io_tlb_nslabs << IO_TLB_SHIFT;
-}
 
 enum xen_swiotlb_err {
 	XEN_SWIOTLB_UNKNOWN = 0,
@@ -177,102 +152,109 @@
 	}
 	return "";
 }
-int __ref xen_swiotlb_init(int verbose, bool early)
+
+#define DEFAULT_NSLABS		ALIGN(SZ_64M >> IO_TLB_SHIFT, IO_TLB_SEGSIZE)
+
+int __ref xen_swiotlb_init(void)
 {
-	unsigned long bytes, order;
-	int rc = -ENOMEM;
 	enum xen_swiotlb_err m_ret = XEN_SWIOTLB_UNKNOWN;
-	unsigned int repeat = 3;
+	unsigned long bytes = swiotlb_size_or_default();
+	unsigned long nslabs = bytes >> IO_TLB_SHIFT;
+	unsigned int order, repeat = 3;
+	int rc = -ENOMEM;
+	char *start;
 
-	xen_io_tlb_nslabs = swiotlb_nr_tbl();
 retry:
-	bytes = xen_set_nslabs(xen_io_tlb_nslabs);
-	order = get_order(xen_io_tlb_nslabs << IO_TLB_SHIFT);
-
-	/*
-	 * IO TLB memory already allocated. Just use it.
-	 */
-	if (io_tlb_start != 0) {
-		xen_io_tlb_start = phys_to_virt(io_tlb_start);
-		goto end;
-	}
+	m_ret = XEN_SWIOTLB_ENOMEM;
+	order = get_order(bytes);
 
 	/*
 	 * Get IO TLB memory from any location.
 	 */
-	if (early) {
-		xen_io_tlb_start = memblock_alloc(PAGE_ALIGN(bytes),
-						  PAGE_SIZE);
-		if (!xen_io_tlb_start)
-			panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
-			      __func__, PAGE_ALIGN(bytes), PAGE_SIZE);
-	} else {
 #define SLABS_PER_PAGE (1 << (PAGE_SHIFT - IO_TLB_SHIFT))
 #define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT)
-		while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) {
-			xen_io_tlb_start = (void *)xen_get_swiotlb_free_pages(order);
-			if (xen_io_tlb_start)
-				break;
-			order--;
-		}
-		if (order != get_order(bytes)) {
-			pr_warn("Warning: only able to allocate %ld MB for software IO TLB\n",
-				(PAGE_SIZE << order) >> 20);
-			xen_io_tlb_nslabs = SLABS_PER_PAGE << order;
-			bytes = xen_io_tlb_nslabs << IO_TLB_SHIFT;
-		}
+	while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) {
+		start = (void *)xen_get_swiotlb_free_pages(order);
+		if (start)
+			break;
+		order--;
 	}
-	if (!xen_io_tlb_start) {
-		m_ret = XEN_SWIOTLB_ENOMEM;
+	if (!start)
 		goto error;
+	if (order != get_order(bytes)) {
+		pr_warn("Warning: only able to allocate %ld MB for software IO TLB\n",
+			(PAGE_SIZE << order) >> 20);
+		nslabs = SLABS_PER_PAGE << order;
+		bytes = nslabs << IO_TLB_SHIFT;
 	}
+
 	/*
 	 * And replace that memory with pages under 4GB.
 	 */
-	rc = xen_swiotlb_fixup(xen_io_tlb_start,
-			       bytes,
-			       xen_io_tlb_nslabs);
+	rc = xen_swiotlb_fixup(start, nslabs);
 	if (rc) {
-		if (early)
-			memblock_free(__pa(xen_io_tlb_start),
-				      PAGE_ALIGN(bytes));
-		else {
-			free_pages((unsigned long)xen_io_tlb_start, order);
-			xen_io_tlb_start = NULL;
-		}
+		free_pages((unsigned long)start, order);
 		m_ret = XEN_SWIOTLB_EFIXUP;
 		goto error;
 	}
-	if (early) {
-		if (swiotlb_init_with_tbl(xen_io_tlb_start, xen_io_tlb_nslabs,
-			 verbose))
-			panic("Cannot allocate SWIOTLB buffer");
-		rc = 0;
-	} else
-		rc = swiotlb_late_init_with_tbl(xen_io_tlb_start, xen_io_tlb_nslabs);
-
-end:
-	xen_io_tlb_end = xen_io_tlb_start + bytes;
-	if (!rc)
-		swiotlb_set_max_segment(PAGE_SIZE);
-
-	return rc;
+	rc = swiotlb_late_init_with_tbl(start, nslabs);
+	if (rc)
+		return rc;
+	swiotlb_set_max_segment(PAGE_SIZE);
+	return 0;
 error:
 	if (repeat--) {
-		xen_io_tlb_nslabs = max(1024UL, /* Min is 2MB */
-					(xen_io_tlb_nslabs >> 1));
-		pr_info("Lowering to %luMB\n",
-			(xen_io_tlb_nslabs << IO_TLB_SHIFT) >> 20);
+		/* Min is 2MB */
+		nslabs = max(1024UL, (nslabs >> 1));
+		bytes = nslabs << IO_TLB_SHIFT;
+		pr_info("Lowering to %luMB\n", bytes >> 20);
 		goto retry;
 	}
 	pr_err("%s (rc:%d)\n", xen_swiotlb_error(m_ret), rc);
-	if (early)
-		panic("%s (rc:%d)", xen_swiotlb_error(m_ret), rc);
-	else
-		free_pages((unsigned long)xen_io_tlb_start, order);
+	free_pages((unsigned long)start, order);
 	return rc;
 }
 
+#ifdef CONFIG_X86
+void __init xen_swiotlb_init_early(void)
+{
+	unsigned long bytes = swiotlb_size_or_default();
+	unsigned long nslabs = bytes >> IO_TLB_SHIFT;
+	unsigned int repeat = 3;
+	char *start;
+	int rc;
+
+retry:
+	/*
+	 * Get IO TLB memory from any location.
+	 */
+	start = memblock_alloc(PAGE_ALIGN(bytes), PAGE_SIZE);
+	if (!start)
+		panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+		      __func__, PAGE_ALIGN(bytes), PAGE_SIZE);
+
+	/*
+	 * And replace that memory with pages under 4GB.
+	 */
+	rc = xen_swiotlb_fixup(start, nslabs);
+	if (rc) {
+		memblock_free(__pa(start), PAGE_ALIGN(bytes));
+		if (repeat--) {
+			/* Min is 2MB */
+			nslabs = max(1024UL, (nslabs >> 1));
+			bytes = nslabs << IO_TLB_SHIFT;
+			pr_info("Lowering to %luMB\n", bytes >> 20);
+			goto retry;
+		}
+		panic("%s (rc:%d)", xen_swiotlb_error(XEN_SWIOTLB_EFIXUP), rc);
+	}
+
+	if (swiotlb_init_with_tbl(start, nslabs, false))
+		panic("Cannot allocate SWIOTLB buffer");
+	swiotlb_set_max_segment(PAGE_SIZE);
+}
+#endif /* CONFIG_X86 */
+
 static void *
 xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
 			   dma_addr_t *dma_handle, gfp_t flags,
@@ -387,7 +369,7 @@
 	if (dma_capable(dev, dev_addr, size, true) &&
 	    !range_straddles_page_boundary(phys, size) &&
 		!xen_arch_need_swiotlb(dev, phys, dev_addr) &&
-		swiotlb_force != SWIOTLB_FORCE)
+		!is_swiotlb_force_bounce(dev))
 		goto done;
 
 	/*
@@ -406,7 +388,7 @@
 	 * Ensure that the address returned is DMA'ble
 	 */
 	if (unlikely(!dma_capable(dev, dev_addr, size, true))) {
-		swiotlb_tbl_unmap_single(dev, map, size, size, dir,
+		swiotlb_tbl_unmap_single(dev, map, size, dir,
 				attrs | DMA_ATTR_SKIP_CPU_SYNC);
 		return DMA_MAPPING_ERROR;
 	}
@@ -445,7 +427,7 @@
 
 	/* NOTE: We use dev_addr here, not paddr! */
 	if (is_xen_swiotlb_buffer(hwdev, dev_addr))
-		swiotlb_tbl_unmap_single(hwdev, paddr, size, size, dir, attrs);
+		swiotlb_tbl_unmap_single(hwdev, paddr, size, dir, attrs);
 }
 
 static void
@@ -462,7 +444,7 @@
 	}
 
 	if (is_xen_swiotlb_buffer(dev, dma_addr))
-		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);
+		swiotlb_sync_single_for_cpu(dev, paddr, size, dir);
 }
 
 static void
@@ -472,7 +454,7 @@
 	phys_addr_t paddr = xen_dma_to_phys(dev, dma_addr);
 
 	if (is_xen_swiotlb_buffer(dev, dma_addr))
-		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);
+		swiotlb_sync_single_for_device(dev, paddr, size, dir);
 
 	if (!dev_is_dma_coherent(dev)) {
 		if (pfn_valid(PFN_DOWN(dma_to_phys(dev, dma_addr))))
@@ -560,7 +542,7 @@
 static int
 xen_swiotlb_dma_supported(struct device *hwdev, u64 mask)
 {
-	return xen_virt_to_bus(hwdev, xen_io_tlb_end - 1) <= mask;
+	return xen_phys_to_dma(hwdev, io_tlb_default_mem.end - 1) <= mask;
 }
 
 const struct dma_map_ops xen_swiotlb_dma_ops = {
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 6261719..cb14e8b 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -214,7 +214,8 @@
 
 static int v9fs_xattr_get_acl(const struct xattr_handler *handler,
 			      struct dentry *dentry, struct inode *inode,
-			      const char *name, void *buffer, size_t size)
+			      const char *name, void *buffer, size_t size,
+			      int flags)
 {
 	struct v9fs_session_info *v9ses;
 	struct posix_acl *acl;
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 39def02..6e3e65d 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -738,3 +738,4 @@
 MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");
 MODULE_AUTHOR("Ron Minnich <rminnich@lanl.gov>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index ac8ff8c..5cfa772 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -139,7 +139,8 @@
 
 static int v9fs_xattr_handler_get(const struct xattr_handler *handler,
 				  struct dentry *dentry, struct inode *inode,
-				  const char *name, void *buffer, size_t size)
+				  const char *name, void *buffer, size_t size,
+				  int flags)
 {
 	const char *full_name = xattr_full_name(handler, name);
 
diff --git a/fs/Kconfig b/fs/Kconfig
index da524c4..a6a7211 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -122,6 +122,7 @@
 source "fs/autofs/Kconfig"
 source "fs/fuse/Kconfig"
 source "fs/overlayfs/Kconfig"
+source "fs/incfs/Kconfig"
 
 menu "Caches"
 
diff --git a/fs/Makefile b/fs/Makefile
index c660ce2..c785187 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -6,6 +6,8 @@
 # Rewritten to use lists instead of if-statements.
 # 
 
+subdir-ccflags-y += -DANDROID_GKI_VFS_EXPORT_ONLY=VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver
+
 obj-y :=	open.o read_write.o file_table.o super.o \
 		char_dev.o stat.o exec.o pipe.o namei.o fcntl.o \
 		ioctl.o readdir.o select.o dcache.o inode.o \
@@ -111,6 +113,7 @@
 obj-$(CONFIG_FUSE_FS)		+= fuse/
 obj-$(CONFIG_OVERLAY_FS)	+= overlayfs/
 obj-$(CONFIG_ORANGEFS_FS)       += orangefs/
+obj-$(CONFIG_INCREMENTAL_FS)	+= incfs/
 obj-$(CONFIG_UDF_FS)		+= udf/
 obj-$(CONFIG_SUN_OPENPROMFS)	+= openpromfs/
 obj-$(CONFIG_OMFS_FS)		+= omfs/
diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index bdbd26e..57044e5 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -492,3 +492,4 @@
 module_init(init_adfs_fs)
 module_exit(exit_adfs_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/affs/super.c b/fs/affs/super.c
index c6c2a51..2d2797e 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -676,6 +676,7 @@
 
 MODULE_DESCRIPTION("Amiga filesystem support for Linux");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 module_init(init_affs_fs)
 module_exit(exit_affs_fs)
diff --git a/fs/afs/main.c b/fs/afs/main.c
index 179004b..c6bd956 100644
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -18,6 +18,7 @@
 MODULE_DESCRIPTION("AFS Client File System");
 MODULE_AUTHOR("Red Hat, Inc.");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 unsigned afs_debug;
 module_param_named(debug, afs_debug, uint, S_IWUSR | S_IRUGO);
diff --git a/fs/afs/xattr.c b/fs/afs/xattr.c
index 6a29337..5da5e8a 100644
--- a/fs/afs/xattr.c
+++ b/fs/afs/xattr.c
@@ -36,7 +36,7 @@
 static int afs_xattr_get_acl(const struct xattr_handler *handler,
 			     struct dentry *dentry,
 			     struct inode *inode, const char *name,
-			     void *buffer, size_t size)
+			     void *buffer, size_t size, int flags)
 {
 	struct afs_operation *op;
 	struct afs_vnode *vnode = AFS_FS_I(inode);
@@ -137,7 +137,7 @@
 static int afs_xattr_get_yfs(const struct xattr_handler *handler,
 			     struct dentry *dentry,
 			     struct inode *inode, const char *name,
-			     void *buffer, size_t size)
+			     void *buffer, size_t size, int flags)
 {
 	struct afs_operation *op;
 	struct afs_vnode *vnode = AFS_FS_I(inode);
@@ -266,7 +266,7 @@
 static int afs_xattr_get_cell(const struct xattr_handler *handler,
 			      struct dentry *dentry,
 			      struct inode *inode, const char *name,
-			      void *buffer, size_t size)
+			      void *buffer, size_t size, int flags)
 {
 	struct afs_vnode *vnode = AFS_FS_I(inode);
 	struct afs_cell *cell = vnode->volume->cell;
@@ -293,7 +293,7 @@
 static int afs_xattr_get_fid(const struct xattr_handler *handler,
 			     struct dentry *dentry,
 			     struct inode *inode, const char *name,
-			     void *buffer, size_t size)
+			     void *buffer, size_t size, int flags)
 {
 	struct afs_vnode *vnode = AFS_FS_I(inode);
 	char text[16 + 1 + 24 + 1 + 8 + 1];
@@ -331,7 +331,7 @@
 static int afs_xattr_get_volume(const struct xattr_handler *handler,
 			      struct dentry *dentry,
 			      struct inode *inode, const char *name,
-			      void *buffer, size_t size)
+			      void *buffer, size_t size, int flags)
 {
 	struct afs_vnode *vnode = AFS_FS_I(inode);
 	const char *volname = vnode->volume->name;
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 8971430..a280156 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -55,6 +55,75 @@
 	.kill_sb	= kill_anon_super,
 };
 
+static struct inode *anon_inode_make_secure_inode(
+	const char *name,
+	const struct inode *context_inode)
+{
+	struct inode *inode;
+	const struct qstr qname = QSTR_INIT(name, strlen(name));
+	int error;
+
+	inode = alloc_anon_inode(anon_inode_mnt->mnt_sb);
+	if (IS_ERR(inode))
+		return inode;
+	inode->i_flags &= ~S_PRIVATE;
+	error =	security_inode_init_security_anon(inode, &qname, context_inode);
+	if (error) {
+		iput(inode);
+		return ERR_PTR(error);
+	}
+	return inode;
+}
+
+static struct file *__anon_inode_getfile(const char *name,
+					 const struct file_operations *fops,
+					 void *priv, int flags,
+					 const struct inode *context_inode,
+					 bool secure)
+{
+	struct inode *inode;
+	struct file *file;
+
+	if (fops->owner && !try_module_get(fops->owner))
+		return ERR_PTR(-ENOENT);
+
+	if (secure) {
+		inode =	anon_inode_make_secure_inode(name, context_inode);
+		if (IS_ERR(inode)) {
+			file = ERR_CAST(inode);
+			goto err;
+		}
+	} else {
+		inode =	anon_inode_inode;
+		if (IS_ERR(inode)) {
+			file = ERR_PTR(-ENODEV);
+			goto err;
+		}
+		/*
+		 * We know the anon_inode inode count is always
+		 * greater than zero, so ihold() is safe.
+		 */
+		ihold(inode);
+	}
+
+	file = alloc_file_pseudo(inode, anon_inode_mnt, name,
+				 flags & (O_ACCMODE | O_NONBLOCK), fops);
+	if (IS_ERR(file))
+		goto err_iput;
+
+	file->f_mapping = inode->i_mapping;
+
+	file->private_data = priv;
+
+	return file;
+
+err_iput:
+	iput(inode);
+err:
+	module_put(fops->owner);
+	return file;
+}
+
 /**
  * anon_inode_getfile - creates a new file instance by hooking it up to an
  *                      anonymous inode, and a dentry that describe the "class"
@@ -75,55 +144,15 @@
 				const struct file_operations *fops,
 				void *priv, int flags)
 {
-	struct file *file;
-
-	if (IS_ERR(anon_inode_inode))
-		return ERR_PTR(-ENODEV);
-
-	if (fops->owner && !try_module_get(fops->owner))
-		return ERR_PTR(-ENOENT);
-
-	/*
-	 * We know the anon_inode inode count is always greater than zero,
-	 * so ihold() is safe.
-	 */
-	ihold(anon_inode_inode);
-	file = alloc_file_pseudo(anon_inode_inode, anon_inode_mnt, name,
-				 flags & (O_ACCMODE | O_NONBLOCK), fops);
-	if (IS_ERR(file))
-		goto err;
-
-	file->f_mapping = anon_inode_inode->i_mapping;
-
-	file->private_data = priv;
-
-	return file;
-
-err:
-	iput(anon_inode_inode);
-	module_put(fops->owner);
-	return file;
+	return __anon_inode_getfile(name, fops, priv, flags, NULL, false);
 }
 EXPORT_SYMBOL_GPL(anon_inode_getfile);
 
-/**
- * anon_inode_getfd - creates a new file instance by hooking it up to an
- *                    anonymous inode, and a dentry that describe the "class"
- *                    of the file
- *
- * @name:    [in]    name of the "class" of the new file
- * @fops:    [in]    file operations for the new file
- * @priv:    [in]    private data for the new file (will be file's private_data)
- * @flags:   [in]    flags
- *
- * Creates a new file by hooking it on a single inode. This is useful for files
- * that do not need to have a full-fledged inode in order to operate correctly.
- * All the files created with anon_inode_getfd() will share a single inode,
- * hence saving memory and avoiding code duplication for the file/inode/dentry
- * setup.  Returns new descriptor or an error code.
- */
-int anon_inode_getfd(const char *name, const struct file_operations *fops,
-		     void *priv, int flags)
+static int __anon_inode_getfd(const char *name,
+			      const struct file_operations *fops,
+			      void *priv, int flags,
+			      const struct inode *context_inode,
+			      bool secure)
 {
 	int error, fd;
 	struct file *file;
@@ -133,7 +162,8 @@
 		return error;
 	fd = error;
 
-	file = anon_inode_getfile(name, fops, priv, flags);
+	file = __anon_inode_getfile(name, fops, priv, flags, context_inode,
+				    secure);
 	if (IS_ERR(file)) {
 		error = PTR_ERR(file);
 		goto err_put_unused_fd;
@@ -146,8 +176,55 @@
 	put_unused_fd(fd);
 	return error;
 }
+
+/**
+ * anon_inode_getfd - creates a new file instance by hooking it up to
+ *                    an anonymous inode and a dentry that describe
+ *                    the "class" of the file
+ *
+ * @name:    [in]    name of the "class" of the new file
+ * @fops:    [in]    file operations for the new file
+ * @priv:    [in]    private data for the new file (will be file's private_data)
+ * @flags:   [in]    flags
+ *
+ * Creates a new file by hooking it on a single inode. This is
+ * useful for files that do not need to have a full-fledged inode in
+ * order to operate correctly.  All the files created with
+ * anon_inode_getfd() will use the same singleton inode, reducing
+ * memory use and avoiding code duplication for the file/inode/dentry
+ * setup.  Returns a newly created file descriptor or an error code.
+ */
+int anon_inode_getfd(const char *name, const struct file_operations *fops,
+		     void *priv, int flags)
+{
+	return __anon_inode_getfd(name, fops, priv, flags, NULL, false);
+}
 EXPORT_SYMBOL_GPL(anon_inode_getfd);
 
+/**
+ * anon_inode_getfd_secure - Like anon_inode_getfd(), but creates a new
+ * !S_PRIVATE anon inode rather than reuse the singleton anon inode, and calls
+ * the inode_init_security_anon() LSM hook. This allows the inode to have its
+ * own security context and for a LSM to reject creation of the inode.
+ *
+ * @name:    [in]    name of the "class" of the new file
+ * @fops:    [in]    file operations for the new file
+ * @priv:    [in]    private data for the new file (will be file's private_data)
+ * @flags:   [in]    flags
+ * @context_inode:
+ *           [in]    the logical relationship with the new inode (optional)
+ *
+ * The LSM may use @context_inode in inode_init_security_anon(), but a
+ * reference to it is not held.
+ */
+int anon_inode_getfd_secure(const char *name, const struct file_operations *fops,
+			    void *priv, int flags,
+			    const struct inode *context_inode)
+{
+	return __anon_inode_getfd(name, fops, priv, flags, context_inode, true);
+}
+EXPORT_SYMBOL_GPL(anon_inode_getfd_secure);
+
 static int __init anon_inode_init(void)
 {
 	anon_inode_mnt = kern_mount(&anon_inode_fs_type);
diff --git a/fs/attr.c b/fs/attr.c
index fefcdc7..375692e 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -172,7 +172,7 @@
 
 	return 0;
 }
-EXPORT_SYMBOL(setattr_prepare);
+EXPORT_SYMBOL_NS(setattr_prepare, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * inode_newsize_ok - may this inode be truncated to a given size
@@ -218,7 +218,7 @@
 out_big:
 	return -EFBIG;
 }
-EXPORT_SYMBOL(inode_newsize_ok);
+EXPORT_SYMBOL_NS(inode_newsize_ok, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * setattr_copy - copy simple metadata updates into the generic inode
@@ -419,4 +419,4 @@
 
 	return error;
 }
-EXPORT_SYMBOL(notify_change);
+EXPORT_SYMBOL_NS(notify_change, ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/autofs/init.c b/fs/autofs/init.c
index d3f55e8..ba08261 100644
--- a/fs/autofs/init.c
+++ b/fs/autofs/init.c
@@ -44,3 +44,4 @@
 module_init(init_autofs_fs)
 module_exit(exit_autofs_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 54f0ce4..b292859 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -207,7 +207,7 @@
 	inode->i_opflags &= ~IOP_XATTR;
 	inode->i_fop = &bad_file_ops;	
 }
-EXPORT_SYMBOL(make_bad_inode);
+EXPORT_SYMBOL_NS(make_bad_inode, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * This tests whether an inode has been flagged as bad. The test uses
@@ -227,7 +227,7 @@
 	return (inode->i_op == &bad_inode_ops);	
 }
 
-EXPORT_SYMBOL(is_bad_inode);
+EXPORT_SYMBOL_NS(is_bad_inode, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * iget_failed - Mark an under-construction inode as dead and release it
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index c1ba13d..abb8f6b 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -34,6 +34,7 @@
 MODULE_DESCRIPTION("BeOS File System (BeFS) driver");
 MODULE_AUTHOR("Will Dyson");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /* The units the vfs expects inode->i_blocks to be in */
 #define VFS_BLOCK_SIZE 512
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index fd691e4..293223c 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -22,6 +22,7 @@
 MODULE_AUTHOR("Tigran Aivazian <aivazian.tigran@gmail.com>");
 MODULE_DESCRIPTION("SCO UnixWare BFS filesystem for Linux");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 #undef DEBUG
 
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index ccc4c6d..dfb6409f 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1614,16 +1614,17 @@
  *   long file_ofs
  * followed by COUNT filenames in ASCII: "FILE1" NUL "FILE2" NUL...
  */
-static int fill_files_note(struct memelfnote *note, struct coredump_params *cprm)
+static int fill_files_note(struct memelfnote *note)
 {
+	struct mm_struct *mm = current->mm;
+	struct vm_area_struct *vma;
 	unsigned count, size, names_ofs, remaining, n;
 	user_long_t *data;
 	user_long_t *start_end_ofs;
 	char *name_base, *name_curpos;
-	int i;
 
 	/* *Estimated* file count and total data size needed */
-	count = cprm->vma_count;
+	count = mm->map_count;
 	if (count > UINT_MAX / 64)
 		return -EINVAL;
 	size = count * 64;
@@ -1645,12 +1646,11 @@
 	name_base = name_curpos = ((char *)data) + names_ofs;
 	remaining = size - names_ofs;
 	count = 0;
-	for (i = 0; i < cprm->vma_count; i++) {
-		struct core_vma_metadata *m = &cprm->vma_meta[i];
+	for (vma = mm->mmap; vma != NULL; vma = vma->vm_next) {
 		struct file *file;
 		const char *filename;
 
-		file = m->file;
+		file = vma->vm_file;
 		if (!file)
 			continue;
 		filename = file_path(file, name_curpos, remaining);
@@ -1670,9 +1670,9 @@
 		memmove(name_curpos, filename, n);
 		name_curpos += n;
 
-		*start_end_ofs++ = m->start;
-		*start_end_ofs++ = m->end;
-		*start_end_ofs++ = m->pgoff;
+		*start_end_ofs++ = vma->vm_start;
+		*start_end_ofs++ = vma->vm_end;
+		*start_end_ofs++ = vma->vm_pgoff;
 		count++;
 	}
 
@@ -1683,7 +1683,7 @@
 	 * Count usually is less than mm->map_count,
 	 * we need to move filenames down.
 	 */
-	n = cprm->vma_count - count;
+	n = mm->map_count - count;
 	if (n != 0) {
 		unsigned shift_bytes = n * 3 * sizeof(data[0]);
 		memmove(name_base - shift_bytes, name_base,
@@ -1885,7 +1885,7 @@
 	fill_auxv_note(&info->auxv, current->mm);
 	info->size += notesize(&info->auxv);
 
-	if (fill_files_note(&info->files, cprm) == 0)
+	if (fill_files_note(&info->files) == 0)
 		info->size += notesize(&info->files);
 
 	return 1;
@@ -2074,7 +2074,7 @@
 	fill_auxv_note(info->notes + 3, current->mm);
 	info->numnote = 4;
 
-	if (fill_files_note(info->notes + info->numnote, cprm) == 0) {
+	if (fill_files_note(info->notes + info->numnote) == 0) {
 		info->notes_files = info->notes + info->numnote;
 		info->numnote++;
 	}
@@ -2167,7 +2167,8 @@
 static int elf_core_dump(struct coredump_params *cprm)
 {
 	int has_dumped = 0;
-	int segs, i;
+	int vma_count, segs, i;
+	size_t vma_data_size;
 	struct elfhdr elf;
 	loff_t offset = 0, dataoff;
 	struct elf_note_info info = { };
@@ -2175,12 +2176,16 @@
 	struct elf_shdr *shdr4extnum = NULL;
 	Elf_Half e_phnum;
 	elf_addr_t e_shoff;
+	struct core_vma_metadata *vma_meta;
+
+	if (dump_vma_snapshot(cprm, &vma_count, &vma_meta, &vma_data_size))
+		return 0;
 
 	/*
 	 * The number of segs are recored into ELF header as 16bit value.
 	 * Please check DEFAULT_MAX_MAP_COUNT definition when you modify here.
 	 */
-	segs = cprm->vma_count + elf_core_extra_phdrs();
+	segs = vma_count + elf_core_extra_phdrs();
 
 	/* for notes section */
 	segs++;
@@ -2218,7 +2223,7 @@
 
 	dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
 
-	offset += cprm->vma_data_size;
+	offset += vma_data_size;
 	offset += elf_core_extra_data_size();
 	e_shoff = offset;
 
@@ -2238,8 +2243,8 @@
 		goto end_coredump;
 
 	/* Write program headers for segments dump */
-	for (i = 0; i < cprm->vma_count; i++) {
-		struct core_vma_metadata *meta = cprm->vma_meta + i;
+	for (i = 0; i < vma_count; i++) {
+		struct core_vma_metadata *meta = vma_meta + i;
 		struct elf_phdr phdr;
 
 		phdr.p_type = PT_LOAD;
@@ -2276,8 +2281,8 @@
 	if (!dump_skip(cprm, dataoff - cprm->pos))
 		goto end_coredump;
 
-	for (i = 0; i < cprm->vma_count; i++) {
-		struct core_vma_metadata *meta = cprm->vma_meta + i;
+	for (i = 0; i < vma_count; i++) {
+		struct core_vma_metadata *meta = vma_meta + i;
 
 		if (!dump_user_range(cprm, meta->start, meta->dump_size))
 			goto end_coredump;
@@ -2295,6 +2300,7 @@
 end_coredump:
 	free_note_info(&info);
 	kfree(shdr4extnum);
+	kvfree(vma_meta);
 	kfree(phdr4note);
 	return has_dumped;
 }
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 48bb129..f4f146f 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1479,7 +1479,7 @@
 static int elf_fdpic_core_dump(struct coredump_params *cprm)
 {
 	int has_dumped = 0;
-	int segs;
+	int vma_count, segs;
 	int i;
 	struct elfhdr *elf = NULL;
 	loff_t offset = 0, dataoff;
@@ -1494,6 +1494,8 @@
 	elf_addr_t e_shoff;
 	struct core_thread *ct;
 	struct elf_thread_status *tmp;
+	struct core_vma_metadata *vma_meta = NULL;
+	size_t vma_data_size;
 
 	/* alloc memory for large data structures: too large to be on stack */
 	elf = kmalloc(sizeof(*elf), GFP_KERNEL);
@@ -1503,6 +1505,9 @@
 	if (!psinfo)
 		goto end_coredump;
 
+	if (dump_vma_snapshot(cprm, &vma_count, &vma_meta, &vma_data_size))
+		goto end_coredump;
+
 	for (ct = current->mm->core_state->dumper.next;
 					ct; ct = ct->next) {
 		tmp = elf_dump_thread_status(cprm->siginfo->si_signo,
@@ -1522,7 +1527,7 @@
 	tmp->next = thread_list;
 	thread_list = tmp;
 
-	segs = cprm->vma_count + elf_core_extra_phdrs();
+	segs = vma_count + elf_core_extra_phdrs();
 
 	/* for notes section */
 	segs++;
@@ -1567,7 +1572,7 @@
 	/* Page-align dumped data */
 	dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
 
-	offset += cprm->vma_data_size;
+	offset += vma_data_size;
 	offset += elf_core_extra_data_size();
 	e_shoff = offset;
 
@@ -1587,8 +1592,8 @@
 		goto end_coredump;
 
 	/* write program headers for segments dump */
-	for (i = 0; i < cprm->vma_count; i++) {
-		struct core_vma_metadata *meta = cprm->vma_meta + i;
+	for (i = 0; i < vma_count; i++) {
+		struct core_vma_metadata *meta = vma_meta + i;
 		struct elf_phdr phdr;
 		size_t sz;
 
@@ -1638,7 +1643,7 @@
 	if (!dump_skip(cprm, dataoff - cprm->pos))
 		goto end_coredump;
 
-	if (!elf_fdpic_dump_segments(cprm, cprm->vma_meta, cprm->vma_count))
+	if (!elf_fdpic_dump_segments(cprm, vma_meta, vma_count))
 		goto end_coredump;
 
 	if (!elf_core_write_extra_data(cprm))
@@ -1662,6 +1667,7 @@
 		thread_list = thread_list->next;
 		kfree(tmp);
 	}
+	kvfree(vma_meta);
 	kfree(phdr4note);
 	kfree(elf);
 	kfree(psinfo);
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index ce0047f..83b1992 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -832,3 +832,4 @@
 core_initcall(init_misc_binfmt);
 module_exit(exit_misc_binfmt);
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 906f985..cd974d6 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -186,7 +186,7 @@
 	return sb->s_blocksize;
 }
 
-EXPORT_SYMBOL(sb_set_blocksize);
+EXPORT_SYMBOL_NS(sb_set_blocksize, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 int sb_min_blocksize(struct super_block *sb, int size)
 {
@@ -196,7 +196,7 @@
 	return sb_set_blocksize(sb, size);
 }
 
-EXPORT_SYMBOL(sb_min_blocksize);
+EXPORT_SYMBOL_NS(sb_min_blocksize, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static int
 blkdev_get_block(struct inode *inode, sector_t iblock,
@@ -235,7 +235,7 @@
 
 static ssize_t
 __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,
-		int nr_pages)
+		unsigned int nr_pages)
 {
 	struct file *file = iocb->ki_filp;
 	struct block_device *bdev = I_BDEV(bdev_file_inode(file));
@@ -371,8 +371,8 @@
 	}
 }
 
-static ssize_t
-__blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
+static ssize_t __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+		unsigned int nr_pages)
 {
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = bdev_file_inode(file);
@@ -504,7 +504,7 @@
 static ssize_t
 blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
 {
-	int nr_pages;
+	unsigned int nr_pages;
 
 	nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES + 1);
 	if (!nr_pages)
@@ -512,7 +512,7 @@
 	if (is_sync_kiocb(iocb) && nr_pages <= BIO_MAX_PAGES)
 		return __blkdev_direct_IO_simple(iocb, iter, nr_pages);
 
-	return __blkdev_direct_IO(iocb, iter, min(nr_pages, BIO_MAX_PAGES));
+	return __blkdev_direct_IO(iocb, iter, bio_max_segs(nr_pages));
 }
 
 static __init int blkdev_init(void)
@@ -569,55 +569,47 @@
  * count down in thaw_bdev(). When it becomes 0, thaw_bdev() will unfreeze
  * actually.
  */
-struct super_block *freeze_bdev(struct block_device *bdev)
+int freeze_bdev(struct block_device *bdev)
 {
 	struct super_block *sb;
 	int error = 0;
 
 	mutex_lock(&bdev->bd_fsfreeze_mutex);
-	if (++bdev->bd_fsfreeze_count > 1) {
-		/*
-		 * We don't even need to grab a reference - the first call
-		 * to freeze_bdev grab an active reference and only the last
-		 * thaw_bdev drops it.
-		 */
-		sb = get_super(bdev);
-		if (sb)
-			drop_super(sb);
-		mutex_unlock(&bdev->bd_fsfreeze_mutex);
-		return sb;
-	}
+	if (++bdev->bd_fsfreeze_count > 1)
+		goto done;
 
 	sb = get_active_super(bdev);
 	if (!sb)
-		goto out;
+		goto sync;
 	if (sb->s_op->freeze_super)
 		error = sb->s_op->freeze_super(sb);
 	else
 		error = freeze_super(sb);
-	if (error) {
-		deactivate_super(sb);
-		bdev->bd_fsfreeze_count--;
-		mutex_unlock(&bdev->bd_fsfreeze_mutex);
-		return ERR_PTR(error);
-	}
 	deactivate_super(sb);
- out:
+
+	if (error) {
+		bdev->bd_fsfreeze_count--;
+		goto done;
+	}
+	bdev->bd_fsfreeze_sb = sb;
+
+sync:
 	sync_blockdev(bdev);
+done:
 	mutex_unlock(&bdev->bd_fsfreeze_mutex);
-	return sb;	/* thaw_bdev releases s->s_umount */
+	return error;
 }
 EXPORT_SYMBOL(freeze_bdev);
 
 /**
  * thaw_bdev  -- unlock filesystem
  * @bdev:	blockdevice to unlock
- * @sb:		associated superblock
  *
  * Unlocks the filesystem and marks it writeable again after freeze_bdev().
  */
-int thaw_bdev(struct block_device *bdev, struct super_block *sb)
+int thaw_bdev(struct block_device *bdev)
 {
+	struct super_block *sb;
 	int error = -EINVAL;
 
 	mutex_lock(&bdev->bd_fsfreeze_mutex);
@@ -628,6 +620,7 @@
 	if (--bdev->bd_fsfreeze_count > 0)
 		goto out;
 
+	sb = bdev->bd_fsfreeze_sb;
 	if (!sb)
 		goto out;
 
@@ -637,6 +630,8 @@
 		error = thaw_super(sb);
 	if (error)
 		bdev->bd_fsfreeze_count++;
+	else
+		bdev->bd_fsfreeze_sb = NULL;
 out:
 	mutex_unlock(&bdev->bd_fsfreeze_mutex);
 	return error;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index ea731fa8b..95b7115 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2620,6 +2620,7 @@
 module_exit(exit_btrfs_fs)
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_SOFTDEP("pre: crc32c");
 MODULE_SOFTDEP("pre: xxhash64");
 MODULE_SOFTDEP("pre: sha256");
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index cd6049b..71712bf 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -378,7 +378,8 @@
 
 static int btrfs_xattr_handler_get(const struct xattr_handler *handler,
 				   struct dentry *unused, struct inode *inode,
-				   const char *name, void *buffer, size_t size)
+				   const char *name, void *buffer, size_t size,
+				   int flags)
 {
 	name = xattr_full_name(handler, name);
 	return btrfs_getxattr(inode, name, buffer, size);
diff --git a/fs/buffer.c b/fs/buffer.c
index ee66aba..323dd9a 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -51,6 +51,8 @@
 
 #include "internal.h"
 
+#include <trace/hooks/buffer.h>
+
 static int fsync_buffers_list(spinlock_t *lock, struct list_head *list);
 static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
 			 enum rw_hint hint, struct writeback_control *wbc);
@@ -173,7 +175,7 @@
 	unlock_buffer(bh);
 	put_bh(bh);
 }
-EXPORT_SYMBOL(end_buffer_write_sync);
+EXPORT_SYMBOL_NS(end_buffer_write_sync, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Various filesystems appear to want __find_get_block to be non-blocking.
@@ -419,7 +421,7 @@
 {
 	mark_buffer_async_write_endio(bh, end_buffer_async_write);
 }
-EXPORT_SYMBOL(mark_buffer_async_write);
+EXPORT_SYMBOL_NS(mark_buffer_async_write, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 
 /*
@@ -523,7 +525,7 @@
 
 void emergency_thaw_bdev(struct super_block *sb)
 {
-	while (sb->s_bdev && !thaw_bdev(sb->s_bdev, sb))
+	while (sb->s_bdev && !thaw_bdev(sb->s_bdev))
 		printk(KERN_WARNING "Emergency Thaw on %pg\n", sb->s_bdev);
 }
 
@@ -674,7 +676,7 @@
 
 	return newly_dirty;
 }
-EXPORT_SYMBOL(__set_page_dirty_buffers);
+EXPORT_SYMBOL_NS(__set_page_dirty_buffers, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Write out and wait upon a list of buffers.
@@ -1141,7 +1143,7 @@
 			__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
 	}
 }
-EXPORT_SYMBOL(mark_buffer_dirty);
+EXPORT_SYMBOL_NS(mark_buffer_dirty, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 void mark_buffer_write_io_error(struct buffer_head *bh)
 {
@@ -1159,7 +1161,7 @@
 		errseq_set(&sb->s_wb_err, -EIO);
 	rcu_read_unlock();
 }
-EXPORT_SYMBOL(mark_buffer_write_io_error);
+EXPORT_SYMBOL_NS(mark_buffer_write_io_error, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Decrement a buffer_head's reference count.  If all buffers against a page
@@ -1176,7 +1178,7 @@
 	}
 	WARN(1, KERN_ERR "VFS: brelse: Trying to free free buffer\n");
 }
-EXPORT_SYMBOL(__brelse);
+EXPORT_SYMBOL_NS(__brelse, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * bforget() is like brelse(), except it discards any
@@ -1195,7 +1197,7 @@
 	}
 	__brelse(bh);
 }
-EXPORT_SYMBOL(__bforget);
+EXPORT_SYMBOL_NS(__bforget, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static struct buffer_head *__bread_slow(struct buffer_head *bh)
 {
@@ -1262,8 +1264,22 @@
 	struct buffer_head *evictee = bh;
 	struct bh_lru *b;
 	int i;
+	bool skip = false;
 
 	check_irqs_on();
+	/*
+	 * the refcount of buffer_head in bh_lru prevents dropping the
+	 * attached page(i.e., try_to_free_buffers) so it could cause
+	 * failing page migration.
+	 * Skip putting upcoming bh into bh_lru until migration is done.
+	 */
+	if (lru_cache_disabled())
+		return;
+
+	trace_android_vh_bh_lru_install(bh->b_page, &skip);
+	if (skip)
+		return;
+
 	bh_lru_lock();
 
 	b = this_cpu_ptr(&bh_lrus);
@@ -1367,7 +1383,7 @@
 		brelse(bh);
 	}
 }
-EXPORT_SYMBOL(__breadahead);
+EXPORT_SYMBOL_NS(__breadahead, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 void __breadahead_gfp(struct block_device *bdev, sector_t block, unsigned size,
 		      gfp_t gfp)
@@ -1402,8 +1418,17 @@
 		bh = __bread_slow(bh);
 	return bh;
 }
-EXPORT_SYMBOL(__bread_gfp);
+EXPORT_SYMBOL_NS(__bread_gfp, ANDROID_GKI_VFS_EXPORT_ONLY);
 
+static void __invalidate_bh_lrus(struct bh_lru *b)
+{
+	int i;
+
+	for (i = 0; i < BH_LRU_SIZE; i++) {
+		brelse(b->bhs[i]);
+		b->bhs[i] = NULL;
+	}
+}
 /*
  * invalidate_bh_lrus() is called rarely - but not only at unmount.
  * This doesn't race because it runs in each cpu either in irq
@@ -1412,16 +1437,12 @@
 static void invalidate_bh_lru(void *arg)
 {
 	struct bh_lru *b = &get_cpu_var(bh_lrus);
-	int i;
 
-	for (i = 0; i < BH_LRU_SIZE; i++) {
-		brelse(b->bhs[i]);
-		b->bhs[i] = NULL;
-	}
+	__invalidate_bh_lrus(b);
 	put_cpu_var(bh_lrus);
 }
 
-static bool has_bh_in_lru(int cpu, void *dummy)
+bool has_bh_in_lru(int cpu, void *dummy)
 {
 	struct bh_lru *b = per_cpu_ptr(&bh_lrus, cpu);
 	int i;
@@ -1440,6 +1461,16 @@
 }
 EXPORT_SYMBOL_GPL(invalidate_bh_lrus);
 
+void invalidate_bh_lrus_cpu(int cpu)
+{
+	struct bh_lru *b;
+
+	bh_lru_lock();
+	b = per_cpu_ptr(&bh_lrus, cpu);
+	__invalidate_bh_lrus(b);
+	bh_lru_unlock();
+}
+
 void set_bh_page(struct buffer_head *bh,
 		struct page *page, unsigned long offset)
 {
@@ -1545,7 +1576,7 @@
 out:
 	return;
 }
-EXPORT_SYMBOL(block_invalidatepage);
+EXPORT_SYMBOL_NS(block_invalidatepage, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 
 /*
@@ -1581,7 +1612,7 @@
 	attach_page_private(page, head);
 	spin_unlock(&page->mapping->private_lock);
 }
-EXPORT_SYMBOL(create_empty_buffers);
+EXPORT_SYMBOL_NS(create_empty_buffers, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * clean_bdev_aliases: clean a range of buffers in block device
@@ -1655,7 +1686,7 @@
 			break;
 	}
 }
-EXPORT_SYMBOL(clean_bdev_aliases);
+EXPORT_SYMBOL_NS(clean_bdev_aliases, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Size is a power-of-two in the range 512..PAGE_SIZE,
@@ -1913,7 +1944,7 @@
 		bh = bh->b_this_page;
 	} while (bh != head);
 }
-EXPORT_SYMBOL(page_zero_new_buffers);
+EXPORT_SYMBOL_NS(page_zero_new_buffers, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static void
 iomap_to_bh(struct inode *inode, sector_t block, struct buffer_head *bh,
@@ -2247,7 +2278,7 @@
 
 	return ret;
 }
-EXPORT_SYMBOL(block_is_partially_uptodate);
+EXPORT_SYMBOL_NS(block_is_partially_uptodate, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Generic "read page" function for block devices that have the normal
@@ -3114,7 +3145,7 @@
 		unlock_buffer(bh);
 	}
 }
-EXPORT_SYMBOL(ll_rw_block);
+EXPORT_SYMBOL_NS(ll_rw_block, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 void write_dirty_buffer(struct buffer_head *bh, int op_flags)
 {
@@ -3161,13 +3192,13 @@
 	}
 	return ret;
 }
-EXPORT_SYMBOL(__sync_dirty_buffer);
+EXPORT_SYMBOL_NS(__sync_dirty_buffer, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 int sync_dirty_buffer(struct buffer_head *bh)
 {
 	return __sync_dirty_buffer(bh, REQ_SYNC);
 }
-EXPORT_SYMBOL(sync_dirty_buffer);
+EXPORT_SYMBOL_NS(sync_dirty_buffer, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * try_to_free_buffers() checks if all the buffers on this particular page
diff --git a/fs/cachefiles/main.c b/fs/cachefiles/main.c
index ddf0cd58..0649e7e 100644
--- a/fs/cachefiles/main.c
+++ b/fs/cachefiles/main.c
@@ -28,6 +28,7 @@
 MODULE_DESCRIPTION("Mounted-filesystem based cache");
 MODULE_AUTHOR("Red Hat, Inc.");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 struct kmem_cache *cachefiles_object_jar;
 
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index f2aff97..aa8e759 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1345,3 +1345,4 @@
 MODULE_AUTHOR("Patience Warnick <patience@newdream.net>");
 MODULE_DESCRIPTION("Ceph filesystem for Linux");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 76322c0..e4ba1ef 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -1163,7 +1163,8 @@
 
 static int ceph_get_xattr_handler(const struct xattr_handler *handler,
 				  struct dentry *dentry, struct inode *inode,
-				  const char *name, void *value, size_t size)
+				  const char *name, void *value, size_t size,
+				  int flags)
 {
 	if (!ceph_is_valid_xattr(name))
 		return -EOPNOTSUPP;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 1615552..c15634a 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1705,6 +1705,7 @@
 
 MODULE_AUTHOR("Steve French");
 MODULE_LICENSE("GPL");	/* combination of LGPL + GPL source behaves as GPL */
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_DESCRIPTION
 	("VFS to access SMB3 servers e.g. Samba, Macs, Azure and Windows (and "
 	"also older servers complying with the SNIA CIFS Specification)");
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index c6931ea..a28d301 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -284,7 +284,7 @@
 
 static int cifs_xattr_get(const struct xattr_handler *handler,
 			  struct dentry *dentry, struct inode *inode,
-			  const char *name, void *value, size_t size)
+			  const char *name, void *value, size_t size, int flags)
 {
 	ssize_t rc = -EOPNOTSUPP;
 	unsigned int xid;
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 240669f..897c7cb 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -388,6 +388,7 @@
 MODULE_DESCRIPTION("Coda Distributed File System VFS interface");
 MODULE_ALIAS_CHARDEV_MAJOR(CODA_PSDEV_MAJOR);
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_VERSION("7.0");
 
 static int __init init_coda(void)
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 12388ed..101185d 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1419,6 +1419,21 @@
 	else
 		ret = configfs_attach_item(parent_item, item, dentry, frag);
 
+	/* inherit uid/gid from process creating the directory */
+	if (!uid_eq(current_fsuid(), GLOBAL_ROOT_UID) ||
+	    !gid_eq(current_fsgid(), GLOBAL_ROOT_GID)) {
+		struct iattr ia = {
+			.ia_uid = current_fsuid(),
+			.ia_gid = current_fsgid(),
+			.ia_valid = ATTR_UID | ATTR_GID,
+		};
+		struct inode *inode = d_inode(dentry);
+		inode->i_uid = ia.ia_uid;
+		inode->i_gid = ia.ia_gid;
+		/* the above manual assignments skip the permission checks */
+		configfs_setattr(dentry, &ia);
+	}
+
 	spin_lock(&configfs_dirent_lock);
 	sd->s_type &= ~CONFIGFS_USET_IN_MKDIR;
 	if (!ret)
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index 0c6e8cf..c01eb72 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -175,6 +175,7 @@
 MODULE_LICENSE("GPL");
 MODULE_VERSION("0.0.2");
 MODULE_DESCRIPTION("Simple RAM filesystem for user driven kernel subsystem configuration.");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 
 core_initcall(configfs_init);
 module_exit(configfs_exit);
diff --git a/fs/coredump.c b/fs/coredump.c
index 9d91e831..c2a2e05 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -53,9 +53,6 @@
 
 #include <trace/events/sched.h>
 
-static bool dump_vma_snapshot(struct coredump_params *cprm);
-static void free_vma_snapshot(struct coredump_params *cprm);
-
 int core_uses_pid;
 unsigned int core_pipe_limit;
 char core_pattern[CORENAME_MAX_SIZE] = "core";
@@ -605,7 +602,6 @@
 		 * by any locks.
 		 */
 		.mm_flags = mm->flags,
-		.vma_meta = NULL,
 	};
 
 	audit_core_dumps(siginfo->si_signo);
@@ -811,13 +807,9 @@
 			pr_info("Core dump to |%s disabled\n", cn.corename);
 			goto close_fail;
 		}
-		if (!dump_vma_snapshot(&cprm))
-			goto close_fail;
-
 		file_start_write(cprm.file);
 		core_dumped = binfmt->core_dump(&cprm);
 		file_end_write(cprm.file);
-		free_vma_snapshot(&cprm);
 	}
 	if (ispipe && core_pipe_limit)
 		wait_for_dump_helpers(cprm.file);
@@ -1089,29 +1081,18 @@
 	return gate_vma;
 }
 
-static void free_vma_snapshot(struct coredump_params *cprm)
-{
-	if (cprm->vma_meta) {
-		int i;
-		for (i = 0; i < cprm->vma_count; i++) {
-			struct file *file = cprm->vma_meta[i].file;
-			if (file)
-				fput(file);
-		}
-		kvfree(cprm->vma_meta);
-		cprm->vma_meta = NULL;
-	}
-}
-
 /*
  * Under the mmap_lock, take a snapshot of relevant information about the task's
  * VMAs.
  */
-static bool dump_vma_snapshot(struct coredump_params *cprm)
+int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count,
+		      struct core_vma_metadata **vma_meta,
+		      size_t *vma_data_size_ptr)
 {
 	struct vm_area_struct *vma, *gate_vma;
 	struct mm_struct *mm = current->mm;
 	int i;
+	size_t vma_data_size = 0;
 
 	/*
 	 * Once the stack expansion code is fixed to not change VMA bounds
@@ -1119,37 +1100,36 @@
 	 * mmap_lock in read mode.
 	 */
 	if (mmap_write_lock_killable(mm))
-		return false;
+		return -EINTR;
 
-	cprm->vma_data_size = 0;
 	gate_vma = get_gate_vma(mm);
-	cprm->vma_count = mm->map_count + (gate_vma ? 1 : 0);
+	*vma_count = mm->map_count + (gate_vma ? 1 : 0);
 
-	cprm->vma_meta = kvmalloc_array(cprm->vma_count, sizeof(*cprm->vma_meta), GFP_KERNEL);
-	if (!cprm->vma_meta) {
+	*vma_meta = kvmalloc_array(*vma_count, sizeof(**vma_meta), GFP_KERNEL);
+	if (!*vma_meta) {
 		mmap_write_unlock(mm);
-		return false;
+		return -ENOMEM;
 	}
 
 	for (i = 0, vma = first_vma(current, gate_vma); vma != NULL;
 			vma = next_vma(vma, gate_vma), i++) {
-		struct core_vma_metadata *m = cprm->vma_meta + i;
+		struct core_vma_metadata *m = (*vma_meta) + i;
 
 		m->start = vma->vm_start;
 		m->end = vma->vm_end;
 		m->flags = vma->vm_flags;
 		m->dump_size = vma_dump_size(vma, cprm->mm_flags);
-		m->pgoff = vma->vm_pgoff;
-
-		m->file = vma->vm_file;
-		if (m->file)
-			get_file(m->file);
 	}
 
 	mmap_write_unlock(mm);
 
-	for (i = 0; i < cprm->vma_count; i++) {
-		struct core_vma_metadata *m = cprm->vma_meta + i;
+	if (WARN_ON(i != *vma_count)) {
+		kvfree(*vma_meta);
+		return -EFAULT;
+	}
+
+	for (i = 0; i < *vma_count; i++) {
+		struct core_vma_metadata *m = (*vma_meta) + i;
 
 		if (m->dump_size == DUMP_SIZE_MAYBE_ELFHDR_PLACEHOLDER) {
 			char elfmag[SELFMAG];
@@ -1162,8 +1142,9 @@
 			}
 		}
 
-		cprm->vma_data_size += m->dump_size;
+		vma_data_size += m->dump_size;
 	}
 
-	return true;
+	*vma_data_size_ptr = vma_data_size;
+	return 0;
 }
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 4b90cfd..6245470 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -1010,3 +1010,4 @@
 module_init(init_cramfs_fs)
 module_exit(exit_cramfs_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/crypto/Kconfig b/fs/crypto/Kconfig
index a5f5c30..2d0c892 100644
--- a/fs/crypto/Kconfig
+++ b/fs/crypto/Kconfig
@@ -14,16 +14,30 @@
 	  F2FS and UBIFS make use of this feature.
 
 # Filesystems supporting encryption must select this if FS_ENCRYPTION.  This
-# allows the algorithms to be built as modules when all the filesystems are.
+# allows the algorithms to be built as modules when all the filesystems are,
+# whereas selecting them from FS_ENCRYPTION would force them to be built-in.
+#
+# Note: this option only pulls in the algorithms that filesystem encryption
+# needs "by default".  If userspace will use "non-default" encryption modes such
+# as Adiantum encryption, then those other modes need to be explicitly enabled
+# in the crypto API; see Documentation/filesystems/fscrypt.rst for details.
+#
+# Also note that this option only pulls in the generic implementations of the
+# algorithms, not any per-architecture optimized implementations.  It is
+# strongly recommended to enable optimized implementations too.  It is safe to
+# disable these generic implementations if corresponding optimized
+# implementations will always be available too; for this reason, these are soft
+# dependencies ('imply' rather than 'select').  Only disable these generic
+# implementations if you're sure they will never be needed, though.
 config FS_ENCRYPTION_ALGS
 	tristate
-	select CRYPTO_AES
-	select CRYPTO_CBC
-	select CRYPTO_CTS
-	select CRYPTO_ECB
-	select CRYPTO_HMAC
-	select CRYPTO_SHA512
-	select CRYPTO_XTS
+	imply CRYPTO_AES
+	imply CRYPTO_CBC
+	imply CRYPTO_CTS
+	imply CRYPTO_ECB
+	imply CRYPTO_HMAC
+	imply CRYPTO_SHA512
+	imply CRYPTO_XTS
 
 config FS_ENCRYPTION_INLINE_CRYPT
 	bool "Enable fscrypt to use inline crypto"
diff --git a/fs/crypto/Makefile b/fs/crypto/Makefile
index 652c718..d390775 100644
--- a/fs/crypto/Makefile
+++ b/fs/crypto/Makefile
@@ -1,6 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_FS_ENCRYPTION)	+= fscrypto.o
 
+ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=ANDROID_GKI_VFS_EXPORT_ONLY
+
 fscrypto-y := crypto.o \
 	      fname.o \
 	      hkdf.o \
diff --git a/fs/crypto/bio.c b/fs/crypto/bio.c
index b048a0e..d507cc1 100644
--- a/fs/crypto/bio.c
+++ b/fs/crypto/bio.c
@@ -1,23 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * This contains encryption functions for per-file encryption.
+ * Utility functions for file contents encryption/decryption on
+ * block device-based filesystems.
  *
  * Copyright (C) 2015, Google, Inc.
  * Copyright (C) 2015, Motorola Mobility
- *
- * Written by Michael Halcrow, 2014.
- *
- * Filename encryption additions
- *	Uday Savagaonkar, 2014
- * Encryption policy handling additions
- *	Ildar Muslukhov, 2014
- * Add fscrypt_pullback_bio_page()
- *	Jaegeuk Kim, 2015.
- *
- * This has not yet undergone a rigorous security audit.
- *
- * The usage of AES-XTS should conform to recommendations in NIST
- * Special Publication 800-38E and IEEE P1619/D16.
  */
 
 #include <linux/pagemap.h>
@@ -26,6 +13,21 @@
 #include <linux/namei.h>
 #include "fscrypt_private.h"
 
+/**
+ * fscrypt_decrypt_bio() - decrypt the contents of a bio
+ * @bio: the bio to decrypt
+ *
+ * Decrypt the contents of a "read" bio following successful completion of the
+ * underlying disk read.  The bio must be reading a whole number of blocks of an
+ * encrypted file directly into the page cache.  If the bio is reading the
+ * ciphertext into bounce pages instead of the page cache (for example, because
+ * the file is also compressed, so decompression is required after decryption),
+ * then this function isn't applicable.  This function may sleep, so it must be
+ * called from a workqueue rather than from the bio's bi_end_io callback.
+ *
+ * This function sets PG_error on any pages that contain any blocks that failed
+ * to be decrypted.  The filesystem must not mark such pages uptodate.
+ */
 void fscrypt_decrypt_bio(struct bio *bio)
 {
 	struct bio_vec *bv;
diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c
index 4ef3f71..4fcca79f 100644
--- a/fs/crypto/crypto.c
+++ b/fs/crypto/crypto.c
@@ -69,6 +69,14 @@
 }
 EXPORT_SYMBOL(fscrypt_free_bounce_page);
 
+/*
+ * Generate the IV for the given logical block number within the given file.
+ * For filenames encryption, lblk_num == 0.
+ *
+ * Keep this in sync with fscrypt_limit_io_blocks().  fscrypt_limit_io_blocks()
+ * needs to know about any IV generation methods where the low bits of IV don't
+ * simply contain the lblk_num (e.g., IV_INO_LBLK_32).
+ */
 void fscrypt_generate_iv(union fscrypt_iv *iv, u64 lblk_num,
 			 const struct fscrypt_info *ci)
 {
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 9fa871e..ac1d349 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -26,7 +26,7 @@
  * it to find the directory entry again if requested.  Naively, that would just
  * mean using the ciphertext filenames.  However, since the ciphertext filenames
  * can contain illegal characters ('\0' and '/'), they must be encoded in some
- * way.  We use base64.  But that can cause names to exceed NAME_MAX (255
+ * way.  We use base64url.  But that can cause names to exceed NAME_MAX (255
  * bytes), so we also need to use a strong hash to abbreviate long names.
  *
  * The filesystem may also need another kind of hash, the "dirhash", to quickly
@@ -38,7 +38,7 @@
  * casefolded directories use this type of dirhash.  At least in these cases,
  * each no-key name must include the name's dirhash too.
  *
- * To meet all these requirements, we base64-encode the following
+ * To meet all these requirements, we base64url-encode the following
  * variable-length structure.  It contains the dirhash, or 0's if the filesystem
  * didn't provide one; up to 149 bytes of the ciphertext name; and for
  * ciphertexts longer than 149 bytes, also the SHA-256 of the remaining bytes.
@@ -52,15 +52,19 @@
 	u32 dirhash[2];
 	u8 bytes[149];
 	u8 sha256[SHA256_DIGEST_SIZE];
-}; /* 189 bytes => 252 bytes base64-encoded, which is <= NAME_MAX (255) */
+}; /* 189 bytes => 252 bytes base64url-encoded, which is <= NAME_MAX (255) */
 
 /*
- * Decoded size of max-size nokey name, i.e. a name that was abbreviated using
+ * Decoded size of max-size no-key name, i.e. a name that was abbreviated using
  * the strong hash and thus includes the 'sha256' field.  This isn't simply
  * sizeof(struct fscrypt_nokey_name), as the padding at the end isn't included.
  */
 #define FSCRYPT_NOKEY_NAME_MAX	offsetofend(struct fscrypt_nokey_name, sha256)
 
+/* Encoded size of max-size no-key name */
+#define FSCRYPT_NOKEY_NAME_MAX_ENCODED \
+		FSCRYPT_BASE64URL_CHARS(FSCRYPT_NOKEY_NAME_MAX)
+
 static inline bool fscrypt_is_dot_dotdot(const struct qstr *str)
 {
 	if (str->len == 1 && str->name[0] == '.')
@@ -175,62 +179,82 @@
 	return 0;
 }
 
-static const char lookup_table[65] =
-	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+,";
+static const char base64url_table[65] =
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
 
-#define BASE64_CHARS(nbytes)	DIV_ROUND_UP((nbytes) * 4, 3)
+#define FSCRYPT_BASE64URL_CHARS(nbytes)	DIV_ROUND_UP((nbytes) * 4, 3)
 
 /**
- * base64_encode() - base64-encode some bytes
- * @src: the bytes to encode
- * @len: number of bytes to encode
- * @dst: (output) the base64-encoded string.  Not NUL-terminated.
+ * fscrypt_base64url_encode() - base64url-encode some binary data
+ * @src: the binary data to encode
+ * @srclen: the length of @src in bytes
+ * @dst: (output) the base64url-encoded string.  Not NUL-terminated.
  *
- * Encodes the input string using characters from the set [A-Za-z0-9+,].
- * The encoded string is roughly 4/3 times the size of the input string.
+ * Encodes data using base64url encoding, i.e. the "Base 64 Encoding with URL
+ * and Filename Safe Alphabet" specified by RFC 4648.  '='-padding isn't used,
+ * as it's unneeded and not required by the RFC.  base64url is used instead of
+ * base64 to avoid the '/' character, which isn't allowed in filenames.
  *
- * Return: length of the encoded string
+ * Return: the length of the resulting base64url-encoded string in bytes.
+ *	   This will be equal to FSCRYPT_BASE64URL_CHARS(srclen).
  */
-static int base64_encode(const u8 *src, int len, char *dst)
+static int fscrypt_base64url_encode(const u8 *src, int srclen, char *dst)
 {
-	int i, bits = 0, ac = 0;
+	u32 ac = 0;
+	int bits = 0;
+	int i;
 	char *cp = dst;
 
-	for (i = 0; i < len; i++) {
-		ac += src[i] << bits;
+	for (i = 0; i < srclen; i++) {
+		ac = (ac << 8) | src[i];
 		bits += 8;
 		do {
-			*cp++ = lookup_table[ac & 0x3f];
-			ac >>= 6;
 			bits -= 6;
+			*cp++ = base64url_table[(ac >> bits) & 0x3f];
 		} while (bits >= 6);
 	}
 	if (bits)
-		*cp++ = lookup_table[ac & 0x3f];
+		*cp++ = base64url_table[(ac << (6 - bits)) & 0x3f];
 	return cp - dst;
 }
 
-static int base64_decode(const char *src, int len, u8 *dst)
+/**
+ * fscrypt_base64url_decode() - base64url-decode a string
+ * @src: the string to decode.  Doesn't need to be NUL-terminated.
+ * @srclen: the length of @src in bytes
+ * @dst: (output) the decoded binary data
+ *
+ * Decodes a string using base64url encoding, i.e. the "Base 64 Encoding with
+ * URL and Filename Safe Alphabet" specified by RFC 4648.  '='-padding isn't
+ * accepted, nor are non-encoding characters such as whitespace.
+ *
+ * This implementation hasn't been optimized for performance.
+ *
+ * Return: the length of the resulting decoded binary data in bytes,
+ *	   or -1 if the string isn't a valid base64url string.
+ */
+static int fscrypt_base64url_decode(const char *src, int srclen, u8 *dst)
 {
-	int i, bits = 0, ac = 0;
-	const char *p;
-	u8 *cp = dst;
+	u32 ac = 0;
+	int bits = 0;
+	int i;
+	u8 *bp = dst;
 
-	for (i = 0; i < len; i++) {
-		p = strchr(lookup_table, src[i]);
+	for (i = 0; i < srclen; i++) {
+		const char *p = strchr(base64url_table, src[i]);
+
 		if (p == NULL || src[i] == 0)
-			return -2;
-		ac += (p - lookup_table) << bits;
+			return -1;
+		ac = (ac << 6) | (p - base64url_table);
 		bits += 6;
 		if (bits >= 8) {
-			*cp++ = ac & 0xff;
-			ac >>= 8;
 			bits -= 8;
+			*bp++ = (u8)(ac >> bits);
 		}
 	}
-	if (ac)
+	if (ac & ((1 << bits) - 1))
 		return -1;
-	return cp - dst;
+	return bp - dst;
 }
 
 bool fscrypt_fname_encrypted_size(const union fscrypt_policy *policy,
@@ -263,10 +287,8 @@
 int fscrypt_fname_alloc_buffer(u32 max_encrypted_len,
 			       struct fscrypt_str *crypto_str)
 {
-	const u32 max_encoded_len = BASE64_CHARS(FSCRYPT_NOKEY_NAME_MAX);
-	u32 max_presented_len;
-
-	max_presented_len = max(max_encoded_len, max_encrypted_len);
+	u32 max_presented_len = max_t(u32, FSCRYPT_NOKEY_NAME_MAX_ENCODED,
+				      max_encrypted_len);
 
 	crypto_str->name = kmalloc(max_presented_len + 1, GFP_NOFS);
 	if (!crypto_str->name)
@@ -342,7 +364,7 @@
 		     offsetof(struct fscrypt_nokey_name, bytes));
 	BUILD_BUG_ON(offsetofend(struct fscrypt_nokey_name, bytes) !=
 		     offsetof(struct fscrypt_nokey_name, sha256));
-	BUILD_BUG_ON(BASE64_CHARS(FSCRYPT_NOKEY_NAME_MAX) > NAME_MAX);
+	BUILD_BUG_ON(FSCRYPT_NOKEY_NAME_MAX_ENCODED > NAME_MAX);
 
 	nokey_name.dirhash[0] = hash;
 	nokey_name.dirhash[1] = minor_hash;
@@ -358,7 +380,8 @@
 		       nokey_name.sha256);
 		size = FSCRYPT_NOKEY_NAME_MAX;
 	}
-	oname->len = base64_encode((const u8 *)&nokey_name, size, oname->name);
+	oname->len = fscrypt_base64url_encode((const u8 *)&nokey_name, size,
+					      oname->name);
 	return 0;
 }
 EXPORT_SYMBOL(fscrypt_fname_disk_to_usr);
@@ -400,14 +423,13 @@
 		fname->disk_name.len = iname->len;
 		return 0;
 	}
-	ret = fscrypt_get_encryption_info(dir);
+	ret = fscrypt_get_encryption_info(dir, lookup);
 	if (ret)
 		return ret;
 
 	if (fscrypt_has_encryption_key(dir)) {
 		if (!fscrypt_fname_encrypted_size(&dir->i_crypt_info->ci_policy,
-						  iname->len,
-						  dir->i_sb->s_cop->max_namelen,
+						  iname->len, NAME_MAX,
 						  &fname->crypto_buf.len))
 			return -ENAMETOOLONG;
 		fname->crypto_buf.name = kmalloc(fname->crypto_buf.len,
@@ -432,14 +454,15 @@
 	 * user-supplied name
 	 */
 
-	if (iname->len > BASE64_CHARS(FSCRYPT_NOKEY_NAME_MAX))
+	if (iname->len > FSCRYPT_NOKEY_NAME_MAX_ENCODED)
 		return -ENOENT;
 
 	fname->crypto_buf.name = kmalloc(FSCRYPT_NOKEY_NAME_MAX, GFP_KERNEL);
 	if (fname->crypto_buf.name == NULL)
 		return -ENOMEM;
 
-	ret = base64_decode(iname->name, iname->len, fname->crypto_buf.name);
+	ret = fscrypt_base64url_decode(iname->name, iname->len,
+				       fname->crypto_buf.name);
 	if (ret < (int)offsetof(struct fscrypt_nokey_name, bytes[1]) ||
 	    (ret > offsetof(struct fscrypt_nokey_name, sha256) &&
 	     ret != FSCRYPT_NOKEY_NAME_MAX)) {
@@ -556,7 +579,11 @@
 		return -ECHILD;
 
 	dir = dget_parent(dentry);
-	err = fscrypt_get_encryption_info(d_inode(dir));
+	/*
+	 * Pass allow_unsupported=true, so that files with an unsupported
+	 * encryption policy can be deleted.
+	 */
+	err = fscrypt_get_encryption_info(d_inode(dir), true);
 	valid = !fscrypt_has_encryption_key(d_inode(dir));
 	dput(dir);
 
@@ -566,7 +593,3 @@
 	return valid;
 }
 EXPORT_SYMBOL_GPL(fscrypt_d_revalidate);
-
-const struct dentry_operations fscrypt_d_ops = {
-	.d_revalidate = fscrypt_d_revalidate,
-};
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h
index b746d7d..862e847 100644
--- a/fs/crypto/fscrypt_private.h
+++ b/fs/crypto/fscrypt_private.h
@@ -20,8 +20,15 @@
 
 #define FSCRYPT_FILE_NONCE_SIZE	16
 
+/*
+ * Minimum size of an fscrypt master key.  Note: a longer key will be required
+ * if ciphers with a 256-bit security strength are used.  This is just the
+ * absolute minimum, which applies when only 128-bit encryption is used.
+ */
 #define FSCRYPT_MIN_KEY_SIZE	16
 
+#define FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE	128
+
 #define FSCRYPT_CONTEXT_V1	1
 #define FSCRYPT_CONTEXT_V2	2
 
@@ -297,7 +304,6 @@
 bool fscrypt_fname_encrypted_size(const union fscrypt_policy *policy,
 				  u32 orig_len, u32 max_len,
 				  u32 *encrypted_len_ret);
-extern const struct dentry_operations fscrypt_d_ops;
 
 /* hkdf.c */
 
@@ -331,7 +337,8 @@
 
 /* inline_crypt.c */
 #ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
-int fscrypt_select_encryption_impl(struct fscrypt_info *ci);
+int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
+				   bool is_hw_wrapped_key);
 
 static inline bool
 fscrypt_using_inline_encryption(const struct fscrypt_info *ci)
@@ -341,10 +348,18 @@
 
 int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
 				     const u8 *raw_key,
+				     unsigned int raw_key_size,
+				     bool is_hw_wrapped,
 				     const struct fscrypt_info *ci);
 
 void fscrypt_destroy_inline_crypt_key(struct fscrypt_prepared_key *prep_key);
 
+extern int fscrypt_derive_raw_secret(struct super_block *sb,
+				     const u8 *wrapped_key,
+				     unsigned int wrapped_key_size,
+				     u8 *raw_secret,
+				     unsigned int raw_secret_size);
+
 /*
  * Check whether the crypto transform or blk-crypto key has been allocated in
  * @prep_key, depending on which encryption implementation the file will use.
@@ -368,7 +383,8 @@
 
 #else /* CONFIG_FS_ENCRYPTION_INLINE_CRYPT */
 
-static inline int fscrypt_select_encryption_impl(struct fscrypt_info *ci)
+static inline int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
+						 bool is_hw_wrapped_key)
 {
 	return 0;
 }
@@ -381,7 +397,8 @@
 
 static inline int
 fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
-				 const u8 *raw_key,
+				 const u8 *raw_key, unsigned int raw_key_size,
+				 bool is_hw_wrapped,
 				 const struct fscrypt_info *ci)
 {
 	WARN_ON(1);
@@ -393,6 +410,17 @@
 {
 }
 
+static inline int fscrypt_derive_raw_secret(struct super_block *sb,
+					    const u8 *wrapped_key,
+					    unsigned int wrapped_key_size,
+					    u8 *raw_secret,
+					    unsigned int raw_secret_size)
+{
+	fscrypt_warn(NULL,
+		     "kernel built without support for hardware-wrapped keys");
+	return -EOPNOTSUPP;
+}
+
 static inline bool
 fscrypt_is_key_prepared(struct fscrypt_prepared_key *prep_key,
 			const struct fscrypt_info *ci)
@@ -414,11 +442,22 @@
 	 */
 	struct fscrypt_hkdf	hkdf;
 
-	/* Size of the raw key in bytes.  Set even if ->raw isn't set. */
+	/*
+	 * Size of the raw key in bytes.  This remains set even if ->raw was
+	 * zeroized due to no longer being needed.  I.e. we still remember the
+	 * size of the key even if we don't need to remember the key itself.
+	 */
 	u32			size;
 
-	/* For v1 policy keys: the raw key.  Wiped for v2 policy keys. */
-	u8			raw[FSCRYPT_MAX_KEY_SIZE];
+	/* True if the key in ->raw is a hardware-wrapped key. */
+	bool			is_hw_wrapped;
+
+	/*
+	 * For v1 policy keys: the raw key.  Wiped for v2 policy keys, unless
+	 * ->is_hw_wrapped is true, in which case this contains the wrapped key
+	 * rather than the key with which 'hkdf' was keyed.
+	 */
+	u8			raw[FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE];
 
 } __randomize_layout;
 
@@ -591,7 +630,8 @@
 extern struct fscrypt_mode fscrypt_modes[];
 
 int fscrypt_prepare_key(struct fscrypt_prepared_key *prep_key,
-			const u8 *raw_key, const struct fscrypt_info *ci);
+			const u8 *raw_key, unsigned int raw_key_size,
+			bool is_hw_wrapped, const struct fscrypt_info *ci);
 
 void fscrypt_destroy_prepared_key(struct fscrypt_prepared_key *prep_key);
 
@@ -603,6 +643,34 @@
 void fscrypt_hash_inode_number(struct fscrypt_info *ci,
 			       const struct fscrypt_master_key *mk);
 
+int fscrypt_get_encryption_info(struct inode *inode, bool allow_unsupported);
+
+/**
+ * fscrypt_require_key() - require an inode's encryption key
+ * @inode: the inode we need the key for
+ *
+ * If the inode is encrypted, set up its encryption key if not already done.
+ * Then require that the key be present and return -ENOKEY otherwise.
+ *
+ * No locks are needed, and the key will live as long as the struct inode --- so
+ * it won't go away from under you.
+ *
+ * Return: 0 on success, -ENOKEY if the key is missing, or another -errno code
+ * if a problem occurred while setting up the encryption key.
+ */
+static inline int fscrypt_require_key(struct inode *inode)
+{
+	if (IS_ENCRYPTED(inode)) {
+		int err = fscrypt_get_encryption_info(inode, false);
+
+		if (err)
+			return err;
+		if (!fscrypt_has_encryption_key(inode))
+			return -ENOKEY;
+	}
+	return 0;
+}
+
 /* keysetup_v1.c */
 
 void fscrypt_put_direct_key(struct fscrypt_direct_key *dk);
diff --git a/fs/crypto/hooks.c b/fs/crypto/hooks.c
index 8268206..be5c650 100644
--- a/fs/crypto/hooks.c
+++ b/fs/crypto/hooks.c
@@ -52,15 +52,12 @@
 int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,
 			   struct dentry *dentry)
 {
-	int err;
-
-	err = fscrypt_require_key(dir);
-	if (err)
-		return err;
-
-	/* ... in case we looked up no-key name before key was added */
 	if (fscrypt_is_nokey_name(dentry))
 		return -ENOKEY;
+	/*
+	 * We don't need to separately check that the directory inode's key is
+	 * available, as it's implied by the dentry not being a no-key name.
+	 */
 
 	if (!fscrypt_has_permitted_context(dir, inode))
 		return -EXDEV;
@@ -73,20 +70,13 @@
 			     struct inode *new_dir, struct dentry *new_dentry,
 			     unsigned int flags)
 {
-	int err;
-
-	err = fscrypt_require_key(old_dir);
-	if (err)
-		return err;
-
-	err = fscrypt_require_key(new_dir);
-	if (err)
-		return err;
-
-	/* ... in case we looked up no-key name(s) before key was added */
 	if (fscrypt_is_nokey_name(old_dentry) ||
 	    fscrypt_is_nokey_name(new_dentry))
 		return -ENOKEY;
+	/*
+	 * We don't need to separately check that the directory inodes' keys are
+	 * available, as it's implied by the dentries not being no-key names.
+	 */
 
 	if (old_dir != new_dir) {
 		if (IS_ENCRYPTED(new_dir) &&
@@ -116,12 +106,25 @@
 		spin_lock(&dentry->d_lock);
 		dentry->d_flags |= DCACHE_NOKEY_NAME;
 		spin_unlock(&dentry->d_lock);
-		d_set_d_op(dentry, &fscrypt_d_ops);
 	}
 	return err;
 }
 EXPORT_SYMBOL_GPL(__fscrypt_prepare_lookup);
 
+int __fscrypt_prepare_readdir(struct inode *dir)
+{
+	return fscrypt_get_encryption_info(dir, true);
+}
+EXPORT_SYMBOL_GPL(__fscrypt_prepare_readdir);
+
+int __fscrypt_prepare_setattr(struct dentry *dentry, struct iattr *attr)
+{
+	if (attr->ia_valid & ATTR_SIZE)
+		return fscrypt_require_key(d_inode(dentry));
+	return 0;
+}
+EXPORT_SYMBOL_GPL(__fscrypt_prepare_setattr);
+
 /**
  * fscrypt_prepare_setflags() - prepare to change flags with FS_IOC_SETFLAGS
  * @inode: the inode on which flags are being changed
@@ -324,7 +327,7 @@
 	 * Try to set up the symlink's encryption key, but we can continue
 	 * regardless of whether the key is available or not.
 	 */
-	err = fscrypt_get_encryption_info(inode);
+	err = fscrypt_get_encryption_info(inode, false);
 	if (err)
 		return ERR_PTR(err);
 	has_key = fscrypt_has_encryption_key(inode);
diff --git a/fs/crypto/inline_crypt.c b/fs/crypto/inline_crypt.c
index c57bebf..68ab683 100644
--- a/fs/crypto/inline_crypt.c
+++ b/fs/crypto/inline_crypt.c
@@ -15,8 +15,10 @@
 #include <linux/blk-crypto.h>
 #include <linux/blkdev.h>
 #include <linux/buffer_head.h>
+#include <linux/keyslot-manager.h>
 #include <linux/sched/mm.h>
 #include <linux/slab.h>
+#include <linux/uio.h>
 
 #include "fscrypt_private.h"
 
@@ -64,7 +66,8 @@
 }
 
 /* Enable inline encryption for this file if supported. */
-int fscrypt_select_encryption_impl(struct fscrypt_info *ci)
+int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
+				   bool is_hw_wrapped_key)
 {
 	const struct inode *inode = ci->ci_inode;
 	struct super_block *sb = inode->i_sb;
@@ -105,6 +108,7 @@
 	crypto_cfg.crypto_mode = ci->ci_mode->blk_crypto_mode;
 	crypto_cfg.data_unit_size = sb->s_blocksize;
 	crypto_cfg.dun_bytes = fscrypt_get_dun_bytes(ci);
+	crypto_cfg.is_hw_wrapped = is_hw_wrapped_key;
 	num_devs = fscrypt_get_num_devices(sb);
 	devs = kmalloc_array(num_devs, sizeof(*devs), GFP_KERNEL);
 	if (!devs)
@@ -125,6 +129,8 @@
 
 int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
 				     const u8 *raw_key,
+				     unsigned int raw_key_size,
+				     bool is_hw_wrapped,
 				     const struct fscrypt_info *ci)
 {
 	const struct inode *inode = ci->ci_inode;
@@ -143,7 +149,11 @@
 	blk_key->num_devs = num_devs;
 	fscrypt_get_devices(sb, num_devs, blk_key->devs);
 
-	err = blk_crypto_init_key(&blk_key->base, raw_key, crypto_mode,
+	BUILD_BUG_ON(FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE >
+		     BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE);
+
+	err = blk_crypto_init_key(&blk_key->base, raw_key, raw_key_size,
+				  is_hw_wrapped, crypto_mode,
 				  fscrypt_get_dun_bytes(ci), sb->s_blocksize);
 	if (err) {
 		fscrypt_err(inode, "error %d initializing blk-crypto key", err);
@@ -203,6 +213,21 @@
 	}
 }
 
+int fscrypt_derive_raw_secret(struct super_block *sb,
+			      const u8 *wrapped_key,
+			      unsigned int wrapped_key_size,
+			      u8 *raw_secret, unsigned int raw_secret_size)
+{
+	struct request_queue *q;
+
+	q = bdev_get_queue(sb->s_bdev);
+	if (!q->ksm)
+		return -EOPNOTSUPP;
+
+	return blk_ksm_derive_raw_secret(q->ksm, wrapped_key, wrapped_key_size,
+					 raw_secret, raw_secret_size);
+}
+
 bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode)
 {
 	return inode->i_crypt_info->ci_inlinecrypt;
@@ -238,6 +263,8 @@
  * otherwise fscrypt_mergeable_bio() won't work as intended.
  *
  * The encryption context will be freed automatically when the bio is freed.
+ *
+ * This function also handles setting bi_skip_dm_default_key when needed.
  */
 void fscrypt_set_bio_crypt_ctx(struct bio *bio, const struct inode *inode,
 			       u64 first_lblk, gfp_t gfp_mask)
@@ -245,6 +272,9 @@
 	const struct fscrypt_info *ci;
 	u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE];
 
+	if (fscrypt_inode_should_skip_dm_default_key(inode))
+		bio_set_skip_dm_default_key(bio);
+
 	if (!fscrypt_inode_uses_inline_crypto(inode))
 		return;
 	ci = inode->i_crypt_info;
@@ -315,6 +345,13 @@
  *
  * fscrypt_set_bio_crypt_ctx() must have already been called on the bio.
  *
+ * This function isn't required in cases where crypto-mergeability is ensured in
+ * another way, such as I/O targeting only a single file (and thus a single key)
+ * combined with fscrypt_limit_io_blocks() to ensure DUN contiguity.
+ *
+ * This function also returns false if the next part of the I/O would need to
+ * have a different value for the bi_skip_dm_default_key flag.
+ *
  * Return: true iff the I/O is mergeable
  */
 bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
@@ -325,6 +362,9 @@
 
 	if (!!bc != fscrypt_inode_uses_inline_crypto(inode))
 		return false;
+	if (bio_should_skip_dm_default_key(bio) !=
+	    fscrypt_inode_should_skip_dm_default_key(inode))
+		return false;
 	if (!bc)
 		return true;
 
@@ -358,8 +398,97 @@
 	u64 next_lblk;
 
 	if (!bh_get_inode_and_lblk_num(next_bh, &inode, &next_lblk))
-		return !bio->bi_crypt_context;
+		return !bio->bi_crypt_context &&
+		       !bio_should_skip_dm_default_key(bio);
 
 	return fscrypt_mergeable_bio(bio, inode, next_lblk);
 }
 EXPORT_SYMBOL_GPL(fscrypt_mergeable_bio_bh);
+
+/**
+ * fscrypt_dio_supported() - check whether a DIO (direct I/O) request is
+ *			     supported as far as encryption is concerned
+ * @iocb: the file and position the I/O is targeting
+ * @iter: the I/O data segment(s)
+ *
+ * Return: %true if there are no encryption constraints that prevent DIO from
+ *	   being supported; %false if DIO is unsupported.  (Note that in the
+ *	   %true case, the filesystem might have other, non-encryption-related
+ *	   constraints that prevent DIO from actually being supported.)
+ */
+bool fscrypt_dio_supported(struct kiocb *iocb, struct iov_iter *iter)
+{
+	const struct inode *inode = file_inode(iocb->ki_filp);
+	const unsigned int blocksize = i_blocksize(inode);
+
+	/* If the file is unencrypted, no veto from us. */
+	if (!fscrypt_needs_contents_encryption(inode))
+		return true;
+
+	/* We only support DIO with inline crypto, not fs-layer crypto. */
+	if (!fscrypt_inode_uses_inline_crypto(inode))
+		return false;
+
+	/*
+	 * Since the granularity of encryption is filesystem blocks, the file
+	 * position and total I/O length must be aligned to the filesystem block
+	 * size -- not just to the block device's logical block size as is
+	 * traditionally the case for DIO on many filesystems.
+	 *
+	 * We require that the user-provided memory buffers be filesystem block
+	 * aligned too.  It is simpler to have a single alignment value required
+	 * for all properties of the I/O, as is normally the case for DIO.
+	 * Also, allowing less aligned buffers would imply that data units could
+	 * cross bvecs, which would greatly complicate the I/O stack, which
+	 * assumes that bios can be split at any bvec boundary.
+	 */
+	if (!IS_ALIGNED(iocb->ki_pos | iov_iter_alignment(iter), blocksize))
+		return false;
+
+	return true;
+}
+EXPORT_SYMBOL_GPL(fscrypt_dio_supported);
+
+/**
+ * fscrypt_limit_io_blocks() - limit I/O blocks to avoid discontiguous DUNs
+ * @inode: the file on which I/O is being done
+ * @lblk: the block at which the I/O is being started from
+ * @nr_blocks: the number of blocks we want to submit starting at @lblk
+ *
+ * Determine the limit to the number of blocks that can be submitted in a bio
+ * targeting @lblk without causing a data unit number (DUN) discontiguity.
+ *
+ * This is normally just @nr_blocks, as normally the DUNs just increment along
+ * with the logical blocks.  (Or the file is not encrypted.)
+ *
+ * In rare cases, fscrypt can be using an IV generation method that allows the
+ * DUN to wrap around within logically contiguous blocks, and that wraparound
+ * will occur.  If this happens, a value less than @nr_blocks will be returned
+ * so that the wraparound doesn't occur in the middle of a bio, which would
+ * cause encryption/decryption to produce wrong results.
+ *
+ * Return: the actual number of blocks that can be submitted
+ */
+u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks)
+{
+	const struct fscrypt_info *ci;
+	u32 dun;
+
+	if (!fscrypt_inode_uses_inline_crypto(inode))
+		return nr_blocks;
+
+	if (nr_blocks <= 1)
+		return nr_blocks;
+
+	ci = inode->i_crypt_info;
+	if (!(fscrypt_policy_flags(&ci->ci_policy) &
+	      FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32))
+		return nr_blocks;
+
+	/* With IV_INO_LBLK_32, the DUN can wrap around from U32_MAX to 0. */
+
+	dun = ci->ci_hashed_ino + lblk;
+
+	return min_t(u64, nr_blocks, (u64)U32_MAX + 1 - dun);
+}
+EXPORT_SYMBOL_GPL(fscrypt_limit_io_blocks);
diff --git a/fs/crypto/keyring.c b/fs/crypto/keyring.c
index 02f8bf8..eb7b904 100644
--- a/fs/crypto/keyring.c
+++ b/fs/crypto/keyring.c
@@ -527,6 +527,9 @@
 	return err;
 }
 
+/* Size of software "secret" derived from hardware-wrapped key */
+#define RAW_SECRET_SIZE 32
+
 static int add_master_key(struct super_block *sb,
 			  struct fscrypt_master_key_secret *secret,
 			  struct fscrypt_key_specifier *key_spec)
@@ -534,17 +537,28 @@
 	int err;
 
 	if (key_spec->type == FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER) {
-		err = fscrypt_init_hkdf(&secret->hkdf, secret->raw,
-					secret->size);
+		u8 _kdf_key[RAW_SECRET_SIZE];
+		u8 *kdf_key = secret->raw;
+		unsigned int kdf_key_size = secret->size;
+
+		if (secret->is_hw_wrapped) {
+			kdf_key = _kdf_key;
+			kdf_key_size = RAW_SECRET_SIZE;
+			err = fscrypt_derive_raw_secret(sb, secret->raw,
+							secret->size,
+							kdf_key, kdf_key_size);
+			if (err)
+				return err;
+		}
+		err = fscrypt_init_hkdf(&secret->hkdf, kdf_key, kdf_key_size);
+		/*
+		 * Now that the HKDF context is initialized, the raw HKDF key is
+		 * no longer needed.
+		 */
+		memzero_explicit(kdf_key, kdf_key_size);
 		if (err)
 			return err;
 
-		/*
-		 * Now that the HKDF context is initialized, the raw key is no
-		 * longer needed.
-		 */
-		memzero_explicit(secret->raw, secret->size);
-
 		/* Calculate the key identifier */
 		err = fscrypt_hkdf_expand(&secret->hkdf,
 					  HKDF_CONTEXT_KEY_IDENTIFIER, NULL, 0,
@@ -560,8 +574,10 @@
 {
 	const struct fscrypt_provisioning_key_payload *payload = prep->data;
 
+	BUILD_BUG_ON(FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE < FSCRYPT_MAX_KEY_SIZE);
+
 	if (prep->datalen < sizeof(*payload) + FSCRYPT_MIN_KEY_SIZE ||
-	    prep->datalen > sizeof(*payload) + FSCRYPT_MAX_KEY_SIZE)
+	    prep->datalen > sizeof(*payload) + FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE)
 		return -EINVAL;
 
 	if (payload->type != FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR &&
@@ -710,15 +726,29 @@
 		return -EACCES;
 
 	memset(&secret, 0, sizeof(secret));
+
+	if (arg.__flags) {
+		if (arg.__flags & ~__FSCRYPT_ADD_KEY_FLAG_HW_WRAPPED)
+			return -EINVAL;
+		if (arg.key_spec.type != FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER)
+			return -EINVAL;
+		secret.is_hw_wrapped = true;
+	}
+
 	if (arg.key_id) {
 		if (arg.raw_size != 0)
 			return -EINVAL;
 		err = get_keyring_key(arg.key_id, arg.key_spec.type, &secret);
 		if (err)
 			goto out_wipe_secret;
+		err = -EINVAL;
+		if (secret.size > FSCRYPT_MAX_KEY_SIZE && !secret.is_hw_wrapped)
+			goto out_wipe_secret;
 	} else {
 		if (arg.raw_size < FSCRYPT_MIN_KEY_SIZE ||
-		    arg.raw_size > FSCRYPT_MAX_KEY_SIZE)
+		    arg.raw_size > (secret.is_hw_wrapped ?
+				    FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE :
+				    FSCRYPT_MAX_KEY_SIZE))
 			return -EINVAL;
 		secret.size = arg.raw_size;
 		err = -EFAULT;
diff --git a/fs/crypto/keysetup.c b/fs/crypto/keysetup.c
index 7b14054..516cd9f 100644
--- a/fs/crypto/keysetup.c
+++ b/fs/crypto/keysetup.c
@@ -121,16 +121,22 @@
 
 /*
  * Prepare the crypto transform object or blk-crypto key in @prep_key, given the
- * raw key, encryption mode, and flag indicating which encryption implementation
- * (fs-layer or blk-crypto) will be used.
+ * raw key, encryption mode (@ci->ci_mode), flag indicating which encryption
+ * implementation (fs-layer or blk-crypto) will be used (@ci->ci_inlinecrypt),
+ * and IV generation method (@ci->ci_policy.flags).
  */
 int fscrypt_prepare_key(struct fscrypt_prepared_key *prep_key,
-			const u8 *raw_key, const struct fscrypt_info *ci)
+			const u8 *raw_key, unsigned int raw_key_size,
+			bool is_hw_wrapped, const struct fscrypt_info *ci)
 {
 	struct crypto_skcipher *tfm;
 
 	if (fscrypt_using_inline_encryption(ci))
-		return fscrypt_prepare_inline_crypt_key(prep_key, raw_key, ci);
+		return fscrypt_prepare_inline_crypt_key(prep_key,
+				raw_key, raw_key_size, is_hw_wrapped, ci);
+
+	if (WARN_ON(is_hw_wrapped || raw_key_size != ci->ci_mode->keysize))
+		return -EINVAL;
 
 	tfm = fscrypt_allocate_skcipher(ci->ci_mode, raw_key, ci->ci_inode);
 	if (IS_ERR(tfm))
@@ -157,7 +163,9 @@
 int fscrypt_set_per_file_enc_key(struct fscrypt_info *ci, const u8 *raw_key)
 {
 	ci->ci_owns_key = true;
-	return fscrypt_prepare_key(&ci->ci_enc_key, raw_key, ci);
+	return fscrypt_prepare_key(&ci->ci_enc_key, raw_key,
+				   ci->ci_mode->keysize,
+				   false /*is_hw_wrapped*/, ci);
 }
 
 static int setup_per_mode_enc_key(struct fscrypt_info *ci,
@@ -189,24 +197,48 @@
 	if (fscrypt_is_key_prepared(prep_key, ci))
 		goto done_unlock;
 
-	BUILD_BUG_ON(sizeof(mode_num) != 1);
-	BUILD_BUG_ON(sizeof(sb->s_uuid) != 16);
-	BUILD_BUG_ON(sizeof(hkdf_info) != 17);
-	hkdf_info[hkdf_infolen++] = mode_num;
-	if (include_fs_uuid) {
-		memcpy(&hkdf_info[hkdf_infolen], &sb->s_uuid,
-		       sizeof(sb->s_uuid));
-		hkdf_infolen += sizeof(sb->s_uuid);
+	if (mk->mk_secret.is_hw_wrapped && S_ISREG(inode->i_mode)) {
+		int i;
+
+		if (!fscrypt_using_inline_encryption(ci)) {
+			fscrypt_warn(ci->ci_inode,
+				     "Hardware-wrapped keys require inline encryption (-o inlinecrypt)");
+			err = -EINVAL;
+			goto out_unlock;
+		}
+		for (i = 0; i <= FSCRYPT_MODE_MAX; i++) {
+			if (fscrypt_is_key_prepared(&keys[i], ci)) {
+				fscrypt_warn(ci->ci_inode,
+					     "Each hardware-wrapped key can only be used with one encryption mode");
+				err = -EINVAL;
+				goto out_unlock;
+			}
+		}
+		err = fscrypt_prepare_key(prep_key, mk->mk_secret.raw,
+					  mk->mk_secret.size, true, ci);
+		if (err)
+			goto out_unlock;
+	} else {
+		BUILD_BUG_ON(sizeof(mode_num) != 1);
+		BUILD_BUG_ON(sizeof(sb->s_uuid) != 16);
+		BUILD_BUG_ON(sizeof(hkdf_info) != 17);
+		hkdf_info[hkdf_infolen++] = mode_num;
+		if (include_fs_uuid) {
+			memcpy(&hkdf_info[hkdf_infolen], &sb->s_uuid,
+				   sizeof(sb->s_uuid));
+			hkdf_infolen += sizeof(sb->s_uuid);
+		}
+		err = fscrypt_hkdf_expand(&mk->mk_secret.hkdf,
+					  hkdf_context, hkdf_info, hkdf_infolen,
+					  mode_key, mode->keysize);
+		if (err)
+			goto out_unlock;
+		err = fscrypt_prepare_key(prep_key, mode_key, mode->keysize,
+					  false /*is_hw_wrapped*/, ci);
+		memzero_explicit(mode_key, mode->keysize);
+		if (err)
+			goto out_unlock;
 	}
-	err = fscrypt_hkdf_expand(&mk->mk_secret.hkdf,
-				  hkdf_context, hkdf_info, hkdf_infolen,
-				  mode_key, mode->keysize);
-	if (err)
-		goto out_unlock;
-	err = fscrypt_prepare_key(prep_key, mode_key, ci);
-	memzero_explicit(mode_key, mode->keysize);
-	if (err)
-		goto out_unlock;
 done_unlock:
 	ci->ci_enc_key = *prep_key;
 	err = 0;
@@ -311,6 +343,14 @@
 {
 	int err;
 
+	if (mk->mk_secret.is_hw_wrapped &&
+	    !(ci->ci_policy.v2.flags & (FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 |
+					FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32))) {
+		fscrypt_warn(ci->ci_inode,
+			     "Hardware-wrapped keys are only supported with IV_INO_LBLK policies");
+		return -EINVAL;
+	}
+
 	if (ci->ci_policy.v2.flags & FSCRYPT_POLICY_FLAG_DIRECT_KEY) {
 		/*
 		 * DIRECT_KEY: instead of deriving per-file encryption keys, the
@@ -418,10 +458,6 @@
 	struct fscrypt_master_key *mk;
 	int err;
 
-	err = fscrypt_select_encryption_impl(ci);
-	if (err)
-		return err;
-
 	switch (ci->ci_policy.version) {
 	case FSCRYPT_POLICY_V1:
 		mk_spec.type = FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR;
@@ -445,6 +481,10 @@
 		if (ci->ci_policy.version != FSCRYPT_POLICY_V1)
 			return -ENOKEY;
 
+		err = fscrypt_select_encryption_impl(ci, false);
+		if (err)
+			return err;
+
 		/*
 		 * As a legacy fallback for v1 policies, search for the key in
 		 * the current task's subscribed keyrings too.  Don't move this
@@ -466,6 +506,10 @@
 		goto out_release_key;
 	}
 
+	err = fscrypt_select_encryption_impl(ci, mk->mk_secret.is_hw_wrapped);
+	if (err)
+		goto out_release_key;
+
 	switch (ci->ci_policy.version) {
 	case FSCRYPT_POLICY_V1:
 		err = fscrypt_setup_v1_file_key(ci, mk->mk_secret.raw);
@@ -588,6 +632,11 @@
 /**
  * fscrypt_get_encryption_info() - set up an inode's encryption key
  * @inode: the inode to set up the key for.  Must be encrypted.
+ * @allow_unsupported: if %true, treat an unsupported encryption policy (or
+ *		       unrecognized encryption context) the same way as the key
+ *		       being unavailable, instead of returning an error.  Use
+ *		       %false unless the operation being performed is needed in
+ *		       order for files (or directories) to be deleted.
  *
  * Set up ->i_crypt_info, if it hasn't already been done.
  *
@@ -598,7 +647,7 @@
  *	   encryption key is unavailable.  (Use fscrypt_has_encryption_key() to
  *	   distinguish these cases.)  Also can return another -errno code.
  */
-int fscrypt_get_encryption_info(struct inode *inode)
+int fscrypt_get_encryption_info(struct inode *inode, bool allow_unsupported)
 {
 	int res;
 	union fscrypt_context ctx;
@@ -609,29 +658,38 @@
 
 	res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx));
 	if (res < 0) {
+		if (res == -ERANGE && allow_unsupported)
+			return 0;
 		fscrypt_warn(inode, "Error %d getting encryption context", res);
 		return res;
 	}
 
 	res = fscrypt_policy_from_context(&policy, &ctx, res);
 	if (res) {
+		if (allow_unsupported)
+			return 0;
 		fscrypt_warn(inode,
 			     "Unrecognized or corrupt encryption context");
 		return res;
 	}
 
-	if (!fscrypt_supported_policy(&policy, inode))
+	if (!fscrypt_supported_policy(&policy, inode)) {
+		if (allow_unsupported)
+			return 0;
 		return -EINVAL;
+	}
 
 	res = fscrypt_setup_encryption_info(inode, &policy,
 					    fscrypt_context_nonce(&ctx),
 					    IS_CASEFOLDED(inode) &&
 					    S_ISDIR(inode->i_mode));
+
+	if (res == -ENOPKG && allow_unsupported) /* Algorithm unavailable? */
+		res = 0;
 	if (res == -ENOKEY)
 		res = 0;
 	return res;
 }
-EXPORT_SYMBOL(fscrypt_get_encryption_info);
 
 /**
  * fscrypt_prepare_new_inode() - prepare to create a new inode in a directory
diff --git a/fs/crypto/keysetup_v1.c b/fs/crypto/keysetup_v1.c
index 2762c53..f0c22b5 100644
--- a/fs/crypto/keysetup_v1.c
+++ b/fs/crypto/keysetup_v1.c
@@ -233,7 +233,8 @@
 		return ERR_PTR(-ENOMEM);
 	refcount_set(&dk->dk_refcount, 1);
 	dk->dk_mode = ci->ci_mode;
-	err = fscrypt_prepare_key(&dk->dk_key, raw_key, ci);
+	err = fscrypt_prepare_key(&dk->dk_key, raw_key, ci->ci_mode->keysize,
+				  false /*is_hw_wrapped*/, ci);
 	if (err)
 		goto err_free_dk;
 	memcpy(dk->dk_descriptor, ci->ci_policy.v1.master_key_descriptor,
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index f68265c..41bd3e7 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -590,7 +590,7 @@
 int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
 {
 	union fscrypt_policy parent_policy, child_policy;
-	int err;
+	int err, err1, err2;
 
 	/* No restrictions on file types which are never encrypted */
 	if (!S_ISREG(child->i_mode) && !S_ISDIR(child->i_mode) &&
@@ -620,19 +620,25 @@
 	 * In any case, if an unexpected error occurs, fall back to "forbidden".
 	 */
 
-	err = fscrypt_get_encryption_info(parent);
+	err = fscrypt_get_encryption_info(parent, true);
 	if (err)
 		return 0;
-	err = fscrypt_get_encryption_info(child);
+	err = fscrypt_get_encryption_info(child, true);
 	if (err)
 		return 0;
 
-	err = fscrypt_get_policy(parent, &parent_policy);
-	if (err)
-		return 0;
+	err1 = fscrypt_get_policy(parent, &parent_policy);
+	err2 = fscrypt_get_policy(child, &child_policy);
 
-	err = fscrypt_get_policy(child, &child_policy);
-	if (err)
+	/*
+	 * Allow the case where the parent and child both have an unrecognized
+	 * encryption policy, so that files with an unrecognized encryption
+	 * policy can be deleted.
+	 */
+	if (err1 == -EINVAL && err2 == -EINVAL)
+		return 1;
+
+	if (err1 || err2)
 		return 0;
 
 	return fscrypt_policies_equal(&parent_policy, &child_policy);
diff --git a/fs/dcache.c b/fs/dcache.c
index ea04858..cb588ce 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2110,7 +2110,7 @@
 {
 	return __d_obtain_alias(inode, true);
 }
-EXPORT_SYMBOL(d_obtain_alias);
+EXPORT_SYMBOL_NS(d_obtain_alias, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * d_obtain_root - find or allocate a dentry for a given inode
@@ -2184,7 +2184,7 @@
 	}
 	return found;
 }
-EXPORT_SYMBOL(d_add_ci);
+EXPORT_SYMBOL_NS(d_add_ci, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 
 static inline bool d_same_name(const struct dentry *dentry,
@@ -3065,7 +3065,7 @@
 	__d_add(dentry, inode);
 	return NULL;
 }
-EXPORT_SYMBOL(d_splice_alias);
+EXPORT_SYMBOL_NS(d_splice_alias, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Test whether new_dentry is a subdirectory of old_dentry.
diff --git a/fs/direct-io.c b/fs/direct-io.c
index c64d4eb3..771017c 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -693,7 +693,7 @@
 	if (ret)
 		goto out;
 	sector = start_sector << (sdio->blkbits - 9);
-	nr_pages = min(sdio->pages_in_io, BIO_MAX_PAGES);
+	nr_pages = bio_max_segs(sdio->pages_in_io);
 	BUG_ON(nr_pages <= 0);
 	dio_bio_alloc(dio, sdio, map_bh->b_bdev, sector, nr_pages);
 	sdio->boundary = 0;
@@ -1367,7 +1367,7 @@
 				     end_io, submit_io, flags);
 }
 
-EXPORT_SYMBOL(__blockdev_direct_IO);
+EXPORT_SYMBOL_NS(__blockdev_direct_IO, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static __init int dio_init(void)
 {
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index f00fcc4..345f8644 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -9,6 +9,7 @@
 #include <linux/writeback.h>
 #include <linux/sysctl.h>
 #include <linux/gfp.h>
+#include <linux/swap.h>
 #include "internal.h"
 
 /* A global variable is a bit ugly, but it keeps the code simple */
@@ -58,6 +59,7 @@
 		static int stfu;
 
 		if (sysctl_drop_caches & 1) {
+			lru_add_drain_all();
 			iterate_supers(drop_pagecache_sb, NULL);
 			count_vm_event(DROP_PAGECACHE);
 		}
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index e23752d..12616d5 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1040,7 +1040,8 @@
 		goto out;
 	}
 	inode_lock(lower_inode);
-	rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size);
+	rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size,
+			    XATTR_NOSECURITY);
 	inode_unlock(lower_inode);
 out:
 	return rc;
@@ -1125,7 +1126,8 @@
 
 static int ecryptfs_xattr_get(const struct xattr_handler *handler,
 			      struct dentry *dentry, struct inode *inode,
-			      const char *name, void *buffer, size_t size)
+			      const char *name, void *buffer, size_t size,
+			      int flags)
 {
 	return ecryptfs_getxattr(dentry, inode, name, buffer, size);
 }
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index b2f6a19..eb12d38 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -891,6 +891,7 @@
 MODULE_DESCRIPTION("eCryptfs");
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 module_init(ecryptfs_init)
 module_exit(ecryptfs_exit)
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 019572c..bc1ca4d 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -422,7 +422,7 @@
 	}
 	inode_lock(lower_inode);
 	size = __vfs_getxattr(lower_dentry, lower_inode, ECRYPTFS_XATTR_NAME,
-			      xattr_virt, PAGE_SIZE);
+			      xattr_virt, PAGE_SIZE, XATTR_NOSECURITY);
 	if (size < 0)
 		size = 8;
 	put_unaligned_be64(i_size_read(ecryptfs_inode), xattr_virt);
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 3626816..fffd64b 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -284,6 +284,7 @@
 MODULE_AUTHOR("Matthew Garrett, Jeremy Kerr");
 MODULE_DESCRIPTION("EFI Variable Filesystem");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_ALIAS_FS("efivarfs");
 
 module_init(efivarfs_init);
diff --git a/fs/efs/inode.c b/fs/efs/inode.c
index 89e73a6..8c0ecaa6 100644
--- a/fs/efs/inode.c
+++ b/fs/efs/inode.c
@@ -311,3 +311,4 @@
 }  
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig
index 74b0aaa..dd99f06 100644
--- a/fs/erofs/Kconfig
+++ b/fs/erofs/Kconfig
@@ -3,18 +3,25 @@
 config EROFS_FS
 	tristate "EROFS filesystem support"
 	depends on BLOCK
+	select FS_IOMAP
 	select LIBCRC32C
 	help
-	  EROFS (Enhanced Read-Only File System) is a lightweight
-	  read-only file system with modern designs (eg. page-sized
-	  blocks, inline xattrs/data, etc.) for scenarios which need
-	  high-performance read-only requirements, e.g. Android OS
-	  for mobile phones and LIVECDs.
+	  EROFS (Enhanced Read-Only File System) is a lightweight read-only
+	  file system with modern designs (e.g. no buffer heads, inline
+	  xattrs/data, chunk-based deduplication, multiple devices, etc.) for
+	  scenarios which need high-performance read-only solutions, e.g.
+	  smartphones with Android OS, LiveCDs and high-density hosts with
+	  numerous containers;
 
-	  It also provides fixed-sized output compression support,
-	  which improves storage density, keeps relatively higher
-	  compression ratios, which is more useful to achieve high
-	  performance for embedded devices with limited memory.
+	  It also provides fixed-sized output compression support in order to
+	  improve storage density as well as keep relatively higher compression
+	  ratios and implements in-place decompression to reuse the file page
+	  for compressed data temporarily with proper strategies, which is
+	  quite useful to ensure guaranteed end-to-end runtime decompression
+	  performance under extremely memory pressure without extra cost.
+
+	  See the documentation at <file:Documentation/filesystems/erofs.rst>
+	  for more details.
 
 	  If unsure, say N.
 
@@ -76,17 +83,36 @@
 
 	  If you don't want to enable compression feature, say N.
 
-config EROFS_FS_CLUSTER_PAGE_LIMIT
-	int "EROFS Cluster Pages Hard Limit"
+config EROFS_FS_ZIP_LZMA
+	bool "EROFS LZMA compressed data support"
 	depends on EROFS_FS_ZIP
-	range 1 256
-	default "1"
+	select XZ_DEC
+	select XZ_DEC_MICROLZMA
 	help
-	  Indicates maximum # of pages of a compressed
-	  physical cluster.
+	  Saying Y here includes support for reading EROFS file systems
+	  containing LZMA compressed data, specifically called microLZMA. it
+	  gives better compression ratios than the LZ4 algorithm, at the
+	  expense of more CPU overhead.
 
-	  For example, if files in a image were compressed
-	  into 8k-unit, hard limit should not be configured
-	  less than 2. Otherwise, the image will be refused
-	  to mount on this kernel.
+	  LZMA support is an experimental feature for now and so most file
+	  systems will be readable without selecting this option.
 
+	  If unsure, say N.
+
+config EROFS_FS_PCPU_KTHREAD
+	bool "EROFS per-cpu decompression kthread workers"
+	depends on EROFS_FS_ZIP
+	help
+	  Saying Y here enables per-CPU kthread workers pool to carry out
+	  async decompression for low latencies on some architectures.
+
+	  If unsure, say N.
+
+config EROFS_FS_PCPU_KTHREAD_HIPRI
+	bool "EROFS high priority per-CPU kthread workers"
+	depends on EROFS_FS_ZIP && EROFS_FS_PCPU_KTHREAD
+	help
+	  This permits EROFS to configure per-CPU kthread workers to run
+	  at higher priority.
+
+	  If unsure, say N.
diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile
index 46f2aa4..8a3317e 100644
--- a/fs/erofs/Makefile
+++ b/fs/erofs/Makefile
@@ -1,11 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-EROFS_VERSION = "1.0"
-
-ccflags-y += -DEROFS_VERSION=\"$(EROFS_VERSION)\"
-
 obj-$(CONFIG_EROFS_FS) += erofs.o
-erofs-objs := super.o inode.o data.o namei.o dir.o utils.o
+erofs-objs := super.o inode.o data.o namei.o dir.o utils.o pcpubuf.o sysfs.o
 erofs-$(CONFIG_EROFS_FS_XATTR) += xattr.o
 erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o
-
+erofs-$(CONFIG_EROFS_FS_ZIP_LZMA) += decompressor_lzma.o
diff --git a/fs/erofs/compress.h b/fs/erofs/compress.h
index 3d45244..5794065 100644
--- a/fs/erofs/compress.h
+++ b/fs/erofs/compress.h
@@ -2,18 +2,12 @@
 /*
  * Copyright (C) 2019 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #ifndef __EROFS_FS_COMPRESS_H
 #define __EROFS_FS_COMPRESS_H
 
 #include "internal.h"
 
-enum {
-	Z_EROFS_COMPRESSION_SHIFTED = Z_EROFS_COMPRESSION_MAX,
-	Z_EROFS_COMPRESSION_RUNTIME_MAX
-};
-
 struct z_erofs_decompress_req {
 	struct super_block *sb;
 	struct page **in, **out;
@@ -26,35 +20,77 @@
 	bool inplace_io, partial_decoding;
 };
 
+struct z_erofs_decompressor {
+	int (*decompress)(struct z_erofs_decompress_req *rq,
+			  struct page **pagepool);
+	char *name;
+};
+
+/* some special page->private (unsigned long, see below) */
+#define Z_EROFS_SHORTLIVED_PAGE		(-1UL << 2)
+#define Z_EROFS_PREALLOCATED_PAGE	(-2UL << 2)
+
 /*
- * - 0x5A110C8D ('sallocated', Z_EROFS_MAPPING_STAGING) -
- * used to mark temporary allocated pages from other
- * file/cached pages and NULL mapping pages.
+ * For all pages in a pcluster, page->private should be one of
+ * Type                         Last 2bits      page->private
+ * short-lived page             00              Z_EROFS_SHORTLIVED_PAGE
+ * preallocated page (tryalloc) 00              Z_EROFS_PREALLOCATED_PAGE
+ * cached/managed page          00              pointer to z_erofs_pcluster
+ * online page (file-backed,    01/10/11        sub-index << 2 | count
+ *              some pages can be used for inplace I/O)
+ *
+ * page->mapping should be one of
+ * Type                 page->mapping
+ * short-lived page     NULL
+ * preallocated page    NULL
+ * cached/managed page  non-NULL or NULL (invalidated/truncated page)
+ * online page          non-NULL
+ *
+ * For all managed pages, PG_private should be set with 1 extra refcount,
+ * which is used for page reclaim / migration.
  */
-#define Z_EROFS_MAPPING_STAGING         ((void *)0x5A110C8D)
 
-/* check if a page is marked as staging */
-static inline bool z_erofs_page_is_staging(struct page *page)
+/*
+ * short-lived pages are pages directly from buddy system with specific
+ * page->private (no need to set PagePrivate since these are non-LRU /
+ * non-movable pages and bypass reclaim / migration code).
+ */
+static inline bool z_erofs_is_shortlived_page(struct page *page)
 {
-	return page->mapping == Z_EROFS_MAPPING_STAGING;
-}
-
-static inline bool z_erofs_put_stagingpage(struct list_head *pagepool,
-					   struct page *page)
-{
-	if (!z_erofs_page_is_staging(page))
+	if (page->private != Z_EROFS_SHORTLIVED_PAGE)
 		return false;
 
-	/* staging pages should not be used by others at the same time */
-	if (page_ref_count(page) > 1)
-		put_page(page);
-	else
-		list_add(&page->lru, pagepool);
+	DBG_BUGON(page->mapping);
 	return true;
 }
 
+static inline bool z_erofs_put_shortlivedpage(struct page **pagepool,
+					      struct page *page)
+{
+	if (!z_erofs_is_shortlived_page(page))
+		return false;
+
+	/* short-lived pages should not be used by others at the same time */
+	if (page_ref_count(page) > 1) {
+		put_page(page);
+	} else {
+		/* follow the pcluster rule above. */
+		erofs_pagepool_add(pagepool, page);
+	}
+	return true;
+}
+
+#define MNGD_MAPPING(sbi)	((sbi)->managed_cache->i_mapping)
+static inline bool erofs_page_is_managed(const struct erofs_sb_info *sbi,
+					 struct page *page)
+{
+	return page->mapping == MNGD_MAPPING(sbi);
+}
+
 int z_erofs_decompress(struct z_erofs_decompress_req *rq,
-		       struct list_head *pagepool);
+		       struct page **pagepool);
 
+/* prototypes for specific algorithms */
+int z_erofs_lzma_decompress(struct z_erofs_decompress_req *rq,
+			    struct page **pagepool);
 #endif
-
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index ea4f693..6945438 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -2,36 +2,14 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
+ * Copyright (C) 2021, Alibaba Cloud
  */
 #include "internal.h"
 #include <linux/prefetch.h>
-
+#include <linux/uio.h>
+#include <linux/dax.h>
 #include <trace/events/erofs.h>
 
-static void erofs_readendio(struct bio *bio)
-{
-	struct bio_vec *bvec;
-	blk_status_t err = bio->bi_status;
-	struct bvec_iter_all iter_all;
-
-	bio_for_each_segment_all(bvec, bio, iter_all) {
-		struct page *page = bvec->bv_page;
-
-		/* page is already locked */
-		DBG_BUGON(PageUptodate(page));
-
-		if (err)
-			SetPageError(page);
-		else
-			SetPageUptodate(page);
-
-		unlock_page(page);
-		/* page could be reclaimed now */
-	}
-	bio_put(bio);
-}
-
 struct page *erofs_get_meta_page(struct super_block *sb, erofs_blk_t blkaddr)
 {
 	struct address_space *const mapping = sb->s_bdev->bd_inode->i_mapping;
@@ -60,13 +38,6 @@
 	nblocks = DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
 	lastblk = nblocks - tailendpacking;
 
-	if (offset >= inode->i_size) {
-		/* leave out-of-bound access unmapped */
-		map->m_flags = 0;
-		map->m_plen = 0;
-		goto out;
-	}
-
 	/* there is no hole in flatmode */
 	map->m_flags = EROFS_MAP_MAPPED;
 
@@ -101,241 +72,320 @@
 		goto err_out;
 	}
 
-out:
 	map->m_llen = map->m_plen;
-
 err_out:
 	trace_erofs_map_blocks_flatmode_exit(inode, map, flags, 0);
 	return err;
 }
 
-int erofs_map_blocks(struct inode *inode,
-		     struct erofs_map_blocks *map, int flags)
+static int erofs_map_blocks(struct inode *inode,
+			    struct erofs_map_blocks *map, int flags)
 {
-	if (erofs_inode_is_data_compressed(EROFS_I(inode)->datalayout)) {
-		int err = z_erofs_map_blocks_iter(inode, map, flags);
+	struct super_block *sb = inode->i_sb;
+	struct erofs_inode *vi = EROFS_I(inode);
+	struct erofs_inode_chunk_index *idx;
+	struct page *page;
+	u64 chunknr;
+	unsigned int unit;
+	erofs_off_t pos;
+	int err = 0;
 
-		if (map->mpage) {
-			put_page(map->mpage);
-			map->mpage = NULL;
-		}
-		return err;
+	map->m_deviceid = 0;
+	if (map->m_la >= inode->i_size) {
+		/* leave out-of-bound access unmapped */
+		map->m_flags = 0;
+		map->m_plen = 0;
+		goto out;
 	}
-	return erofs_map_blocks_flatmode(inode, map, flags);
+
+	if (vi->datalayout != EROFS_INODE_CHUNK_BASED)
+		return erofs_map_blocks_flatmode(inode, map, flags);
+
+	if (vi->chunkformat & EROFS_CHUNK_FORMAT_INDEXES)
+		unit = sizeof(*idx);			/* chunk index */
+	else
+		unit = EROFS_BLOCK_MAP_ENTRY_SIZE;	/* block map */
+
+	chunknr = map->m_la >> vi->chunkbits;
+	pos = ALIGN(iloc(EROFS_SB(sb), vi->nid) + vi->inode_isize +
+		    vi->xattr_isize, unit) + unit * chunknr;
+
+	page = erofs_get_meta_page(inode->i_sb, erofs_blknr(pos));
+	if (IS_ERR(page))
+		return PTR_ERR(page);
+
+	map->m_la = chunknr << vi->chunkbits;
+	map->m_plen = min_t(erofs_off_t, 1UL << vi->chunkbits,
+			    roundup(inode->i_size - map->m_la, EROFS_BLKSIZ));
+
+	/* handle block map */
+	if (!(vi->chunkformat & EROFS_CHUNK_FORMAT_INDEXES)) {
+		__le32 *blkaddr = page_address(page) + erofs_blkoff(pos);
+
+		if (le32_to_cpu(*blkaddr) == EROFS_NULL_ADDR) {
+			map->m_flags = 0;
+		} else {
+			map->m_pa = blknr_to_addr(le32_to_cpu(*blkaddr));
+			map->m_flags = EROFS_MAP_MAPPED;
+		}
+		goto out_unlock;
+	}
+	/* parse chunk indexes */
+	idx = page_address(page) + erofs_blkoff(pos);
+	switch (le32_to_cpu(idx->blkaddr)) {
+	case EROFS_NULL_ADDR:
+		map->m_flags = 0;
+		break;
+	default:
+		map->m_deviceid = le16_to_cpu(idx->device_id) &
+			EROFS_SB(sb)->device_id_mask;
+		map->m_pa = blknr_to_addr(le32_to_cpu(idx->blkaddr));
+		map->m_flags = EROFS_MAP_MAPPED;
+		break;
+	}
+out_unlock:
+	unlock_page(page);
+	put_page(page);
+out:
+	map->m_llen = map->m_plen;
+	return err;
 }
 
-static inline struct bio *erofs_read_raw_page(struct bio *bio,
-					      struct address_space *mapping,
-					      struct page *page,
-					      erofs_off_t *last_block,
-					      unsigned int nblocks,
-					      bool ra)
+int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map)
 {
-	struct inode *const inode = mapping->host;
-	struct super_block *const sb = inode->i_sb;
-	erofs_off_t current_block = (erofs_off_t)page->index;
-	int err;
+	struct erofs_dev_context *devs = EROFS_SB(sb)->devs;
+	struct erofs_device_info *dif;
+	int id;
 
-	DBG_BUGON(!nblocks);
+	/* primary device by default */
+	map->m_bdev = sb->s_bdev;
+	map->m_daxdev = EROFS_SB(sb)->dax_dev;
 
-	if (PageUptodate(page)) {
-		err = 0;
-		goto has_updated;
-	}
-
-	/* note that for readpage case, bio also equals to NULL */
-	if (bio &&
-	    /* not continuous */
-	    *last_block + 1 != current_block) {
-submit_bio_retry:
-		submit_bio(bio);
-		bio = NULL;
-	}
-
-	if (!bio) {
-		struct erofs_map_blocks map = {
-			.m_la = blknr_to_addr(current_block),
-		};
-		erofs_blk_t blknr;
-		unsigned int blkoff;
-
-		err = erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW);
-		if (err)
-			goto err_out;
-
-		/* zero out the holed page */
-		if (!(map.m_flags & EROFS_MAP_MAPPED)) {
-			zero_user_segment(page, 0, PAGE_SIZE);
-			SetPageUptodate(page);
-
-			/* imply err = 0, see erofs_map_blocks */
-			goto has_updated;
+	if (map->m_deviceid) {
+		down_read(&devs->rwsem);
+		dif = idr_find(&devs->tree, map->m_deviceid - 1);
+		if (!dif) {
+			up_read(&devs->rwsem);
+			return -ENODEV;
 		}
+		map->m_bdev = dif->bdev;
+		map->m_daxdev = dif->dax_dev;
+		up_read(&devs->rwsem);
+	} else if (devs->extra_devices) {
+		down_read(&devs->rwsem);
+		idr_for_each_entry(&devs->tree, dif, id) {
+			erofs_off_t startoff, length;
 
-		/* for RAW access mode, m_plen must be equal to m_llen */
-		DBG_BUGON(map.m_plen != map.m_llen);
+			if (!dif->mapped_blkaddr)
+				continue;
+			startoff = blknr_to_addr(dif->mapped_blkaddr);
+			length = blknr_to_addr(dif->blocks);
 
-		blknr = erofs_blknr(map.m_pa);
-		blkoff = erofs_blkoff(map.m_pa);
-
-		/* deal with inline page */
-		if (map.m_flags & EROFS_MAP_META) {
-			void *vsrc, *vto;
-			struct page *ipage;
-
-			DBG_BUGON(map.m_plen > PAGE_SIZE);
-
-			ipage = erofs_get_meta_page(inode->i_sb, blknr);
-
-			if (IS_ERR(ipage)) {
-				err = PTR_ERR(ipage);
-				goto err_out;
+			if (map->m_pa >= startoff &&
+			    map->m_pa < startoff + length) {
+				map->m_pa -= startoff;
+				map->m_bdev = dif->bdev;
+				map->m_daxdev = dif->dax_dev;
+				break;
 			}
-
-			vsrc = kmap_atomic(ipage);
-			vto = kmap_atomic(page);
-			memcpy(vto, vsrc + blkoff, map.m_plen);
-			memset(vto + map.m_plen, 0, PAGE_SIZE - map.m_plen);
-			kunmap_atomic(vto);
-			kunmap_atomic(vsrc);
-			flush_dcache_page(page);
-
-			SetPageUptodate(page);
-			/* TODO: could we unlock the page earlier? */
-			unlock_page(ipage);
-			put_page(ipage);
-
-			/* imply err = 0, see erofs_map_blocks */
-			goto has_updated;
 		}
+		up_read(&devs->rwsem);
+	}
+	return 0;
+}
 
-		/* pa must be block-aligned for raw reading */
-		DBG_BUGON(erofs_blkoff(map.m_pa));
+static int erofs_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
+		unsigned int flags, struct iomap *iomap, struct iomap *srcmap)
+{
+	int ret;
+	struct erofs_map_blocks map;
+	struct erofs_map_dev mdev;
 
-		/* max # of continuous pages */
-		if (nblocks > DIV_ROUND_UP(map.m_plen, PAGE_SIZE))
-			nblocks = DIV_ROUND_UP(map.m_plen, PAGE_SIZE);
-		if (nblocks > BIO_MAX_PAGES)
-			nblocks = BIO_MAX_PAGES;
+	map.m_la = offset;
+	map.m_llen = length;
 
-		bio = bio_alloc(GFP_NOIO, nblocks);
+	ret = erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW);
+	if (ret < 0)
+		return ret;
 
-		bio->bi_end_io = erofs_readendio;
-		bio_set_dev(bio, sb->s_bdev);
-		bio->bi_iter.bi_sector = (sector_t)blknr <<
-			LOG_SECTORS_PER_BLOCK;
-		bio->bi_opf = REQ_OP_READ | (ra ? REQ_RAHEAD : 0);
+	mdev = (struct erofs_map_dev) {
+		.m_deviceid = map.m_deviceid,
+		.m_pa = map.m_pa,
+	};
+	ret = erofs_map_dev(inode->i_sb, &mdev);
+	if (ret)
+		return ret;
+
+	iomap->bdev = mdev.m_bdev;
+	iomap->dax_dev = mdev.m_daxdev;
+	iomap->offset = map.m_la;
+	iomap->length = map.m_llen;
+	iomap->flags = 0;
+	iomap->private = NULL;
+
+	if (!(map.m_flags & EROFS_MAP_MAPPED)) {
+		iomap->type = IOMAP_HOLE;
+		iomap->addr = IOMAP_NULL_ADDR;
+		if (!iomap->length)
+			iomap->length = length;
+		return 0;
 	}
 
-	err = bio_add_page(bio, page, PAGE_SIZE, 0);
-	/* out of the extent or bio is full */
-	if (err < PAGE_SIZE)
-		goto submit_bio_retry;
+	if (map.m_flags & EROFS_MAP_META) {
+		struct page *ipage;
 
-	*last_block = current_block;
-
-	/* shift in advance in case of it followed by too many gaps */
-	if (bio->bi_iter.bi_size >= bio->bi_max_vecs * PAGE_SIZE) {
-		/* err should reassign to 0 after submitting */
-		err = 0;
-		goto submit_bio_out;
+		iomap->type = IOMAP_INLINE;
+		ipage = erofs_get_meta_page(inode->i_sb,
+					    erofs_blknr(mdev.m_pa));
+		if (IS_ERR(ipage))
+			return PTR_ERR(ipage);
+		iomap->inline_data = page_address(ipage) +
+					erofs_blkoff(mdev.m_pa);
+		iomap->private = ipage;
+	} else {
+		iomap->type = IOMAP_MAPPED;
+		iomap->addr = mdev.m_pa;
 	}
+	return 0;
+}
 
-	return bio;
+static int erofs_iomap_end(struct inode *inode, loff_t pos, loff_t length,
+		ssize_t written, unsigned int flags, struct iomap *iomap)
+{
+	struct page *ipage = iomap->private;
 
-err_out:
-	/* for sync reading, set page error immediately */
-	if (!ra) {
-		SetPageError(page);
-		ClearPageUptodate(page);
+	if (ipage) {
+		DBG_BUGON(iomap->type != IOMAP_INLINE);
+		unlock_page(ipage);
+		put_page(ipage);
+	} else {
+		DBG_BUGON(iomap->type == IOMAP_INLINE);
 	}
-has_updated:
-	unlock_page(page);
+	return written;
+}
 
-	/* if updated manually, continuous pages has a gap */
-	if (bio)
-submit_bio_out:
-		submit_bio(bio);
-	return err ? ERR_PTR(err) : NULL;
+static const struct iomap_ops erofs_iomap_ops = {
+	.iomap_begin = erofs_iomap_begin,
+	.iomap_end = erofs_iomap_end,
+};
+
+int erofs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+		 u64 start, u64 len)
+{
+	if (erofs_inode_is_data_compressed(EROFS_I(inode)->datalayout)) {
+#ifdef CONFIG_EROFS_FS_ZIP
+		return iomap_fiemap(inode, fieinfo, start, len,
+				    &z_erofs_iomap_report_ops);
+#else
+		return -EOPNOTSUPP;
+#endif
+	}
+	return iomap_fiemap(inode, fieinfo, start, len, &erofs_iomap_ops);
 }
 
 /*
  * since we dont have write or truncate flows, so no inode
  * locking needs to be held at the moment.
  */
-static int erofs_raw_access_readpage(struct file *file, struct page *page)
+static int erofs_readpage(struct file *file, struct page *page)
 {
-	erofs_off_t last_block;
-	struct bio *bio;
-
-	trace_erofs_readpage(page, true);
-
-	bio = erofs_read_raw_page(NULL, page->mapping,
-				  page, &last_block, 1, false);
-
-	if (IS_ERR(bio))
-		return PTR_ERR(bio);
-
-	DBG_BUGON(bio);	/* since we have only one bio -- must be NULL */
-	return 0;
+	return iomap_readpage(page, &erofs_iomap_ops);
 }
 
-static void erofs_raw_access_readahead(struct readahead_control *rac)
+static void erofs_readahead(struct readahead_control *rac)
 {
-	erofs_off_t last_block;
-	struct bio *bio = NULL;
-	struct page *page;
-
-	trace_erofs_readpages(rac->mapping->host, readahead_index(rac),
-			readahead_count(rac), true);
-
-	while ((page = readahead_page(rac))) {
-		prefetchw(&page->flags);
-
-		bio = erofs_read_raw_page(bio, rac->mapping, page, &last_block,
-				readahead_count(rac), true);
-
-		/* all the page errors are ignored when readahead */
-		if (IS_ERR(bio)) {
-			pr_err("%s, readahead error at page %lu of nid %llu\n",
-			       __func__, page->index,
-			       EROFS_I(rac->mapping->host)->nid);
-
-			bio = NULL;
-		}
-
-		put_page(page);
-	}
-
-	/* the rare case (end in gaps) */
-	if (bio)
-		submit_bio(bio);
+	return iomap_readahead(rac, &erofs_iomap_ops);
 }
 
 static sector_t erofs_bmap(struct address_space *mapping, sector_t block)
 {
-	struct inode *inode = mapping->host;
-	struct erofs_map_blocks map = {
-		.m_la = blknr_to_addr(block),
-	};
+	return iomap_bmap(mapping, block, &erofs_iomap_ops);
+}
 
-	if (EROFS_I(inode)->datalayout == EROFS_INODE_FLAT_INLINE) {
-		erofs_blk_t blks = i_size_read(inode) >> LOG_BLOCK_SIZE;
+static int erofs_prepare_dio(struct kiocb *iocb, struct iov_iter *to)
+{
+	struct inode *inode = file_inode(iocb->ki_filp);
+	loff_t align = iocb->ki_pos | iov_iter_count(to) |
+		iov_iter_alignment(to);
+	struct block_device *bdev = inode->i_sb->s_bdev;
+	unsigned int blksize_mask;
 
-		if (block >> LOG_SECTORS_PER_BLOCK >= blks)
-			return 0;
-	}
+	if (bdev)
+		blksize_mask = (1 << ilog2(bdev_logical_block_size(bdev))) - 1;
+	else
+		blksize_mask = (1 << inode->i_blkbits) - 1;
 
-	if (!erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW))
-		return erofs_blknr(map.m_pa);
-
+	if (align & blksize_mask)
+		return -EINVAL;
 	return 0;
 }
 
+static ssize_t erofs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
+{
+	/* no need taking (shared) inode lock since it's a ro filesystem */
+	if (!iov_iter_count(to))
+		return 0;
+
+#ifdef CONFIG_FS_DAX
+	if (IS_DAX(iocb->ki_filp->f_mapping->host))
+		return dax_iomap_rw(iocb, to, &erofs_iomap_ops);
+#endif
+	if (iocb->ki_flags & IOCB_DIRECT) {
+		int err = erofs_prepare_dio(iocb, to);
+
+		if (!err)
+			return iomap_dio_rw(iocb, to, &erofs_iomap_ops,
+					    NULL, 0);
+		if (err < 0)
+			return err;
+	}
+	return generic_file_buffered_read(iocb, to, 0);
+}
+
 /* for uncompressed (aligned) files and raw access for other files */
 const struct address_space_operations erofs_raw_access_aops = {
-	.readpage = erofs_raw_access_readpage,
-	.readahead = erofs_raw_access_readahead,
+	.readpage = erofs_readpage,
+	.readahead = erofs_readahead,
 	.bmap = erofs_bmap,
+	.direct_IO = noop_direct_IO,
 };
 
+#ifdef CONFIG_FS_DAX
+static vm_fault_t erofs_dax_huge_fault(struct vm_fault *vmf,
+		enum page_entry_size pe_size)
+{
+	return dax_iomap_fault(vmf, pe_size, NULL, NULL, &erofs_iomap_ops);
+}
+
+static vm_fault_t erofs_dax_fault(struct vm_fault *vmf)
+{
+	return erofs_dax_huge_fault(vmf, PE_SIZE_PTE);
+}
+
+static const struct vm_operations_struct erofs_dax_vm_ops = {
+	.fault		= erofs_dax_fault,
+	.huge_fault	= erofs_dax_huge_fault,
+};
+
+static int erofs_file_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	if (!IS_DAX(file_inode(file)))
+		return generic_file_readonly_mmap(file, vma);
+
+	if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_MAYWRITE))
+		return -EINVAL;
+
+	vma->vm_ops = &erofs_dax_vm_ops;
+	vma->vm_flags |= VM_HUGEPAGE;
+	return 0;
+}
+#else
+#define erofs_file_mmap	generic_file_readonly_mmap
+#endif
+
+const struct file_operations erofs_file_fops = {
+	.llseek		= generic_file_llseek,
+	.read_iter	= erofs_file_read_iter,
+	.mmap		= erofs_file_mmap,
+	.splice_read	= generic_file_splice_read,
+};
diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c
index f921580..49568a4 100644
--- a/fs/erofs/decompressor.c
+++ b/fs/erofs/decompressor.c
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2019 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include "compress.h"
 #include <linux/module.h>
@@ -17,25 +16,56 @@
 #define LZ4_DECOMPRESS_INPLACE_MARGIN(srcsize)  (((srcsize) >> 8) + 32)
 #endif
 
-struct z_erofs_decompressor {
-	/*
-	 * if destpages have sparsed pages, fill them with bounce pages.
-	 * it also check whether destpages indicate continuous physical memory.
-	 */
-	int (*prepare_destpages)(struct z_erofs_decompress_req *rq,
-				 struct list_head *pagepool);
-	int (*decompress)(struct z_erofs_decompress_req *rq, u8 *out);
-	char *name;
-};
+int z_erofs_load_lz4_config(struct super_block *sb,
+			    struct erofs_super_block *dsb,
+			    struct z_erofs_lz4_cfgs *lz4, int size)
+{
+	struct erofs_sb_info *sbi = EROFS_SB(sb);
+	u16 distance;
 
-static int z_erofs_lz4_prepare_destpages(struct z_erofs_decompress_req *rq,
-					 struct list_head *pagepool)
+	if (lz4) {
+		if (size < sizeof(struct z_erofs_lz4_cfgs)) {
+			erofs_err(sb, "invalid lz4 cfgs, size=%u", size);
+			return -EINVAL;
+		}
+		distance = le16_to_cpu(lz4->max_distance);
+
+		sbi->lz4.max_pclusterblks = le16_to_cpu(lz4->max_pclusterblks);
+		if (!sbi->lz4.max_pclusterblks) {
+			sbi->lz4.max_pclusterblks = 1;	/* reserved case */
+		} else if (sbi->lz4.max_pclusterblks >
+			   Z_EROFS_PCLUSTER_MAX_SIZE / EROFS_BLKSIZ) {
+			erofs_err(sb, "too large lz4 pclusterblks %u",
+				  sbi->lz4.max_pclusterblks);
+			return -EINVAL;
+		} else if (sbi->lz4.max_pclusterblks >= 2) {
+			erofs_info(sb, "EXPERIMENTAL big pcluster feature in use. Use at your own risk!");
+		}
+	} else {
+		distance = le16_to_cpu(dsb->u1.lz4_max_distance);
+		sbi->lz4.max_pclusterblks = 1;
+	}
+
+	sbi->lz4.max_distance_pages = distance ?
+					DIV_ROUND_UP(distance, PAGE_SIZE) + 1 :
+					LZ4_MAX_DISTANCE_PAGES;
+	return erofs_pcpubuf_growsize(sbi->lz4.max_pclusterblks);
+}
+
+/*
+ * Fill all gaps with bounce pages if it's a sparse page list. Also check if
+ * all physical pages are consecutive, which can be seen for moderate CR.
+ */
+static int z_erofs_lz4_prepare_dstpages(struct z_erofs_decompress_req *rq,
+					struct page **pagepool)
 {
 	const unsigned int nr =
 		PAGE_ALIGN(rq->pageofs_out + rq->outputsize) >> PAGE_SHIFT;
 	struct page *availables[LZ4_MAX_DISTANCE_PAGES] = { NULL };
 	unsigned long bounced[DIV_ROUND_UP(LZ4_MAX_DISTANCE_PAGES,
 					   BITS_PER_LONG)] = { 0 };
+	unsigned int lz4_max_distance_pages =
+				EROFS_SB(rq->sb)->lz4.max_distance_pages;
 	void *kaddr = NULL;
 	unsigned int i, j, top;
 
@@ -44,14 +74,14 @@
 		struct page *const page = rq->out[i];
 		struct page *victim;
 
-		if (j >= LZ4_MAX_DISTANCE_PAGES)
+		if (j >= lz4_max_distance_pages)
 			j = 0;
 
 		/* 'valid' bounced can only be tested after a complete round */
 		if (test_bit(j, bounced)) {
-			DBG_BUGON(i < LZ4_MAX_DISTANCE_PAGES);
-			DBG_BUGON(top >= LZ4_MAX_DISTANCE_PAGES);
-			availables[top++] = rq->out[i - LZ4_MAX_DISTANCE_PAGES];
+			DBG_BUGON(i < lz4_max_distance_pages);
+			DBG_BUGON(top >= lz4_max_distance_pages);
+			availables[top++] = rq->out[i - lz4_max_distance_pages];
 		}
 
 		if (page) {
@@ -77,221 +107,189 @@
 			victim = availables[--top];
 			get_page(victim);
 		} else {
-			victim = erofs_allocpage(pagepool, GFP_KERNEL);
-			if (!victim)
-				return -ENOMEM;
-			victim->mapping = Z_EROFS_MAPPING_STAGING;
+			victim = erofs_allocpage(pagepool,
+						 GFP_KERNEL | __GFP_NOFAIL);
+			set_page_private(victim, Z_EROFS_SHORTLIVED_PAGE);
 		}
 		rq->out[i] = victim;
 	}
 	return kaddr ? 1 : 0;
 }
 
-static void *generic_copy_inplace_data(struct z_erofs_decompress_req *rq,
-				       u8 *src, unsigned int pageofs_in)
+static void *z_erofs_lz4_handle_inplace_io(struct z_erofs_decompress_req *rq,
+			void *inpage, unsigned int *inputmargin, int *maptype,
+			bool support_0padding)
 {
-	/*
-	 * if in-place decompression is ongoing, those decompressed
-	 * pages should be copied in order to avoid being overlapped.
-	 */
-	struct page **in = rq->in;
-	u8 *const tmp = erofs_get_pcpubuf(0);
-	u8 *tmpp = tmp;
-	unsigned int inlen = rq->inputsize - pageofs_in;
-	unsigned int count = min_t(uint, inlen, PAGE_SIZE - pageofs_in);
+	unsigned int nrpages_in, nrpages_out;
+	unsigned int ofull, oend, inputsize, total, i, j;
+	struct page **in;
+	void *src, *tmp;
 
-	while (tmpp < tmp + inlen) {
-		if (!src)
-			src = kmap_atomic(*in);
-		memcpy(tmpp, src + pageofs_in, count);
-		kunmap_atomic(src);
-		src = NULL;
-		tmpp += count;
-		pageofs_in = 0;
-		count = PAGE_SIZE;
-		++in;
+	inputsize = rq->inputsize;
+	nrpages_in = PAGE_ALIGN(inputsize) >> PAGE_SHIFT;
+	oend = rq->pageofs_out + rq->outputsize;
+	ofull = PAGE_ALIGN(oend);
+	nrpages_out = ofull >> PAGE_SHIFT;
+
+	if (rq->inplace_io) {
+		if (rq->partial_decoding || !support_0padding ||
+		    ofull - oend < LZ4_DECOMPRESS_INPLACE_MARGIN(inputsize))
+			goto docopy;
+
+		for (i = 0; i < nrpages_in; ++i) {
+			DBG_BUGON(rq->in[i] == NULL);
+			for (j = 0; j < nrpages_out - nrpages_in + i; ++j)
+				if (rq->out[j] == rq->in[i])
+					goto docopy;
+		}
 	}
-	return tmp;
+
+	if (nrpages_in <= 1) {
+		*maptype = 0;
+		return inpage;
+	}
+	kunmap_atomic(inpage);
+	might_sleep();
+	src = erofs_vm_map_ram(rq->in, nrpages_in);
+	if (!src)
+		return ERR_PTR(-ENOMEM);
+	*maptype = 1;
+	return src;
+
+docopy:
+	/* Or copy compressed data which can be overlapped to per-CPU buffer */
+	in = rq->in;
+	src = erofs_get_pcpubuf(nrpages_in);
+	if (!src) {
+		DBG_BUGON(1);
+		kunmap_atomic(inpage);
+		return ERR_PTR(-EFAULT);
+	}
+
+	tmp = src;
+	total = rq->inputsize;
+	while (total) {
+		unsigned int page_copycnt =
+			min_t(unsigned int, total, PAGE_SIZE - *inputmargin);
+
+		if (!inpage)
+			inpage = kmap_atomic(*in);
+		memcpy(tmp, inpage + *inputmargin, page_copycnt);
+		kunmap_atomic(inpage);
+		inpage = NULL;
+		tmp += page_copycnt;
+		total -= page_copycnt;
+		++in;
+		*inputmargin = 0;
+	}
+	*maptype = 2;
+	return src;
 }
 
-static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq, u8 *out)
+static int z_erofs_lz4_decompress_mem(struct z_erofs_decompress_req *rq,
+				      u8 *out)
 {
-	unsigned int inputmargin, inlen;
-	u8 *src;
-	bool copied, support_0padding;
-	int ret;
+	unsigned int inputmargin;
+	u8 *headpage, *src;
+	bool support_0padding;
+	int ret, maptype;
 
-	if (rq->inputsize > PAGE_SIZE)
-		return -EOPNOTSUPP;
-
-	src = kmap_atomic(*rq->in);
+	DBG_BUGON(*rq->in == NULL);
+	headpage = kmap_atomic(*rq->in);
 	inputmargin = 0;
 	support_0padding = false;
 
 	/* decompression inplace is only safe when 0padding is enabled */
-	if (EROFS_SB(rq->sb)->feature_incompat &
-	    EROFS_FEATURE_INCOMPAT_LZ4_0PADDING) {
+	if (erofs_sb_has_lz4_0padding(EROFS_SB(rq->sb))) {
 		support_0padding = true;
 
-		while (!src[inputmargin & ~PAGE_MASK])
+		while (!headpage[inputmargin & ~PAGE_MASK])
 			if (!(++inputmargin & ~PAGE_MASK))
 				break;
 
 		if (inputmargin >= rq->inputsize) {
-			kunmap_atomic(src);
+			kunmap_atomic(headpage);
 			return -EIO;
 		}
 	}
 
-	copied = false;
-	inlen = rq->inputsize - inputmargin;
-	if (rq->inplace_io) {
-		const uint oend = (rq->pageofs_out +
-				   rq->outputsize) & ~PAGE_MASK;
-		const uint nr = PAGE_ALIGN(rq->pageofs_out +
-					   rq->outputsize) >> PAGE_SHIFT;
-
-		if (rq->partial_decoding || !support_0padding ||
-		    rq->out[nr - 1] != rq->in[0] ||
-		    rq->inputsize - oend <
-		      LZ4_DECOMPRESS_INPLACE_MARGIN(inlen)) {
-			src = generic_copy_inplace_data(rq, src, inputmargin);
-			inputmargin = 0;
-			copied = true;
-		}
-	}
+	rq->inputsize -= inputmargin;
+	src = z_erofs_lz4_handle_inplace_io(rq, headpage, &inputmargin,
+					    &maptype, support_0padding);
+	if (IS_ERR(src))
+		return PTR_ERR(src);
 
 	/* legacy format could compress extra data in a pcluster. */
 	if (rq->partial_decoding || !support_0padding)
 		ret = LZ4_decompress_safe_partial(src + inputmargin, out,
-						  inlen, rq->outputsize,
-						  rq->outputsize);
+				rq->inputsize, rq->outputsize, rq->outputsize);
 	else
 		ret = LZ4_decompress_safe(src + inputmargin, out,
-					  inlen, rq->outputsize);
+					  rq->inputsize, rq->outputsize);
 
 	if (ret != rq->outputsize) {
 		erofs_err(rq->sb, "failed to decompress %d in[%u, %u] out[%u]",
-			  ret, inlen, inputmargin, rq->outputsize);
+			  ret, rq->inputsize, inputmargin, rq->outputsize);
 
 		print_hex_dump(KERN_DEBUG, "[ in]: ", DUMP_PREFIX_OFFSET,
-			       16, 1, src + inputmargin, inlen, true);
+			       16, 1, src + inputmargin, rq->inputsize, true);
 		print_hex_dump(KERN_DEBUG, "[out]: ", DUMP_PREFIX_OFFSET,
 			       16, 1, out, rq->outputsize, true);
 
 		if (ret >= 0)
 			memset(out + ret, 0, rq->outputsize - ret);
 		ret = -EIO;
+	} else {
+		ret = 0;
 	}
 
-	if (copied)
-		erofs_put_pcpubuf(src);
-	else
+	if (maptype == 0) {
 		kunmap_atomic(src);
+	} else if (maptype == 1) {
+		vm_unmap_ram(src, PAGE_ALIGN(rq->inputsize) >> PAGE_SHIFT);
+	} else if (maptype == 2) {
+		erofs_put_pcpubuf(src);
+	} else {
+		DBG_BUGON(1);
+		return -EFAULT;
+	}
 	return ret;
 }
 
-static struct z_erofs_decompressor decompressors[] = {
-	[Z_EROFS_COMPRESSION_SHIFTED] = {
-		.name = "shifted"
-	},
-	[Z_EROFS_COMPRESSION_LZ4] = {
-		.prepare_destpages = z_erofs_lz4_prepare_destpages,
-		.decompress = z_erofs_lz4_decompress,
-		.name = "lz4"
-	},
-};
-
-static void copy_from_pcpubuf(struct page **out, const char *dst,
-			      unsigned short pageofs_out,
-			      unsigned int outputsize)
-{
-	const char *end = dst + outputsize;
-	const unsigned int righthalf = PAGE_SIZE - pageofs_out;
-	const char *cur = dst - pageofs_out;
-
-	while (cur < end) {
-		struct page *const page = *out++;
-
-		if (page) {
-			char *buf = kmap_atomic(page);
-
-			if (cur >= dst) {
-				memcpy(buf, cur, min_t(uint, PAGE_SIZE,
-						       end - cur));
-			} else {
-				memcpy(buf + pageofs_out, cur + pageofs_out,
-				       min_t(uint, righthalf, end - cur));
-			}
-			kunmap_atomic(buf);
-		}
-		cur += PAGE_SIZE;
-	}
-}
-
-static int z_erofs_decompress_generic(struct z_erofs_decompress_req *rq,
-				      struct list_head *pagepool)
+static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq,
+				  struct page **pagepool)
 {
 	const unsigned int nrpages_out =
 		PAGE_ALIGN(rq->pageofs_out + rq->outputsize) >> PAGE_SHIFT;
-	const struct z_erofs_decompressor *alg = decompressors + rq->alg;
 	unsigned int dst_maptype;
 	void *dst;
-	int ret, i;
+	int ret;
 
-	if (nrpages_out == 1 && !rq->inplace_io) {
+	/* one optimized fast path only for non bigpcluster cases yet */
+	if (rq->inputsize <= PAGE_SIZE && nrpages_out == 1 && !rq->inplace_io) {
 		DBG_BUGON(!*rq->out);
 		dst = kmap_atomic(*rq->out);
 		dst_maptype = 0;
 		goto dstmap_out;
 	}
 
-	/*
-	 * For the case of small output size (especially much less
-	 * than PAGE_SIZE), memcpy the decompressed data rather than
-	 * compressed data is preferred.
-	 */
-	if (rq->outputsize <= PAGE_SIZE * 7 / 8) {
-		dst = erofs_get_pcpubuf(0);
-		if (IS_ERR(dst))
-			return PTR_ERR(dst);
-
-		rq->inplace_io = false;
-		ret = alg->decompress(rq, dst);
-		if (!ret)
-			copy_from_pcpubuf(rq->out, dst, rq->pageofs_out,
-					  rq->outputsize);
-
-		erofs_put_pcpubuf(dst);
+	/* general decoding path which can be used for all cases */
+	ret = z_erofs_lz4_prepare_dstpages(rq, pagepool);
+	if (ret < 0)
 		return ret;
-	}
-
-	ret = alg->prepare_destpages(rq, pagepool);
-	if (ret < 0) {
-		return ret;
-	} else if (ret) {
+	if (ret) {
 		dst = page_address(*rq->out);
 		dst_maptype = 1;
 		goto dstmap_out;
 	}
 
-	i = 0;
-	while (1) {
-		dst = vm_map_ram(rq->out, nrpages_out, -1);
-
-		/* retry two more times (totally 3 times) */
-		if (dst || ++i >= 3)
-			break;
-		vm_unmap_aliases();
-	}
-
+	dst = erofs_vm_map_ram(rq->out, nrpages_out);
 	if (!dst)
 		return -ENOMEM;
-
 	dst_maptype = 2;
 
 dstmap_out:
-	ret = alg->decompress(rq, dst + rq->pageofs_out);
+	ret = z_erofs_lz4_decompress_mem(rq, dst + rq->pageofs_out);
 
 	if (!dst_maptype)
 		kunmap_atomic(dst);
@@ -300,8 +298,8 @@
 	return ret;
 }
 
-static int z_erofs_shifted_transform(const struct z_erofs_decompress_req *rq,
-				     struct list_head *pagepool)
+static int z_erofs_shifted_transform(struct z_erofs_decompress_req *rq,
+				     struct page **pagepool)
 {
 	const unsigned int nrpages_out =
 		PAGE_ALIGN(rq->pageofs_out + rq->outputsize) >> PAGE_SHIFT;
@@ -339,11 +337,25 @@
 	return 0;
 }
 
-int z_erofs_decompress(struct z_erofs_decompress_req *rq,
-		       struct list_head *pagepool)
-{
-	if (rq->alg == Z_EROFS_COMPRESSION_SHIFTED)
-		return z_erofs_shifted_transform(rq, pagepool);
-	return z_erofs_decompress_generic(rq, pagepool);
-}
+static struct z_erofs_decompressor decompressors[] = {
+	[Z_EROFS_COMPRESSION_SHIFTED] = {
+		.decompress = z_erofs_shifted_transform,
+		.name = "shifted"
+	},
+	[Z_EROFS_COMPRESSION_LZ4] = {
+		.decompress = z_erofs_lz4_decompress,
+		.name = "lz4"
+	},
+#ifdef CONFIG_EROFS_FS_ZIP_LZMA
+	[Z_EROFS_COMPRESSION_LZMA] = {
+		.decompress = z_erofs_lzma_decompress,
+		.name = "lzma"
+	},
+#endif
+};
 
+int z_erofs_decompress(struct z_erofs_decompress_req *rq,
+		       struct page **pagepool)
+{
+	return decompressors[rq->alg].decompress(rq, pagepool);
+}
diff --git a/fs/erofs/decompressor_lzma.c b/fs/erofs/decompressor_lzma.c
new file mode 100644
index 0000000..5004551
--- /dev/null
+++ b/fs/erofs/decompressor_lzma.c
@@ -0,0 +1,290 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <linux/xz.h>
+#include <linux/module.h>
+#include "compress.h"
+
+struct z_erofs_lzma {
+	struct z_erofs_lzma *next;
+	struct xz_dec_microlzma *state;
+	struct xz_buf buf;
+	u8 bounce[PAGE_SIZE];
+};
+
+/* considering the LZMA performance, no need to use a lockless list for now */
+static DEFINE_SPINLOCK(z_erofs_lzma_lock);
+static unsigned int z_erofs_lzma_max_dictsize;
+static unsigned int z_erofs_lzma_nstrms, z_erofs_lzma_avail_strms;
+static struct z_erofs_lzma *z_erofs_lzma_head;
+static DECLARE_WAIT_QUEUE_HEAD(z_erofs_lzma_wq);
+
+module_param_named(lzma_streams, z_erofs_lzma_nstrms, uint, 0444);
+
+void z_erofs_lzma_exit(void)
+{
+	/* there should be no running fs instance */
+	while (z_erofs_lzma_avail_strms) {
+		struct z_erofs_lzma *strm;
+
+		spin_lock(&z_erofs_lzma_lock);
+		strm = z_erofs_lzma_head;
+		if (!strm) {
+			spin_unlock(&z_erofs_lzma_lock);
+			DBG_BUGON(1);
+			return;
+		}
+		z_erofs_lzma_head = NULL;
+		spin_unlock(&z_erofs_lzma_lock);
+
+		while (strm) {
+			struct z_erofs_lzma *n = strm->next;
+
+			if (strm->state)
+				xz_dec_microlzma_end(strm->state);
+			kfree(strm);
+			--z_erofs_lzma_avail_strms;
+			strm = n;
+		}
+	}
+}
+
+int z_erofs_lzma_init(void)
+{
+	unsigned int i;
+
+	/* by default, use # of possible CPUs instead */
+	if (!z_erofs_lzma_nstrms)
+		z_erofs_lzma_nstrms = num_possible_cpus();
+
+	for (i = 0; i < z_erofs_lzma_nstrms; ++i) {
+		struct z_erofs_lzma *strm = kzalloc(sizeof(*strm), GFP_KERNEL);
+
+		if (!strm) {
+			z_erofs_lzma_exit();
+			return -ENOMEM;
+		}
+		spin_lock(&z_erofs_lzma_lock);
+		strm->next = z_erofs_lzma_head;
+		z_erofs_lzma_head = strm;
+		spin_unlock(&z_erofs_lzma_lock);
+		++z_erofs_lzma_avail_strms;
+	}
+	return 0;
+}
+
+int z_erofs_load_lzma_config(struct super_block *sb,
+			     struct erofs_super_block *dsb,
+			     struct z_erofs_lzma_cfgs *lzma, int size)
+{
+	static DEFINE_MUTEX(lzma_resize_mutex);
+	unsigned int dict_size, i;
+	struct z_erofs_lzma *strm, *head = NULL;
+	int err;
+
+	if (!lzma || size < sizeof(struct z_erofs_lzma_cfgs)) {
+		erofs_err(sb, "invalid lzma cfgs, size=%u", size);
+		return -EINVAL;
+	}
+	if (lzma->format) {
+		erofs_err(sb, "unidentified lzma format %x, please check kernel version",
+			  le16_to_cpu(lzma->format));
+		return -EINVAL;
+	}
+	dict_size = le32_to_cpu(lzma->dict_size);
+	if (dict_size > Z_EROFS_LZMA_MAX_DICT_SIZE || dict_size < 4096) {
+		erofs_err(sb, "unsupported lzma dictionary size %u",
+			  dict_size);
+		return -EINVAL;
+	}
+
+	erofs_info(sb, "EXPERIMENTAL MicroLZMA in use. Use at your own risk!");
+
+	/* in case 2 z_erofs_load_lzma_config() race to avoid deadlock */
+	mutex_lock(&lzma_resize_mutex);
+
+	if (z_erofs_lzma_max_dictsize >= dict_size) {
+		mutex_unlock(&lzma_resize_mutex);
+		return 0;
+	}
+
+	/* 1. collect/isolate all streams for the following check */
+	for (i = 0; i < z_erofs_lzma_avail_strms; ++i) {
+		struct z_erofs_lzma *last;
+
+again:
+		spin_lock(&z_erofs_lzma_lock);
+		strm = z_erofs_lzma_head;
+		if (!strm) {
+			spin_unlock(&z_erofs_lzma_lock);
+			wait_event(z_erofs_lzma_wq,
+				   READ_ONCE(z_erofs_lzma_head));
+			goto again;
+		}
+		z_erofs_lzma_head = NULL;
+		spin_unlock(&z_erofs_lzma_lock);
+
+		for (last = strm; last->next; last = last->next)
+			++i;
+		last->next = head;
+		head = strm;
+	}
+
+	err = 0;
+	/* 2. walk each isolated stream and grow max dict_size if needed */
+	for (strm = head; strm; strm = strm->next) {
+		if (strm->state)
+			xz_dec_microlzma_end(strm->state);
+		strm->state = xz_dec_microlzma_alloc(XZ_PREALLOC, dict_size);
+		if (!strm->state)
+			err = -ENOMEM;
+	}
+
+	/* 3. push back all to the global list and update max dict_size */
+	spin_lock(&z_erofs_lzma_lock);
+	DBG_BUGON(z_erofs_lzma_head);
+	z_erofs_lzma_head = head;
+	spin_unlock(&z_erofs_lzma_lock);
+
+	z_erofs_lzma_max_dictsize = dict_size;
+	mutex_unlock(&lzma_resize_mutex);
+	return err;
+}
+
+int z_erofs_lzma_decompress(struct z_erofs_decompress_req *rq,
+			    struct page **pagepool)
+{
+	const unsigned int nrpages_out =
+		PAGE_ALIGN(rq->pageofs_out + rq->outputsize) >> PAGE_SHIFT;
+	const unsigned int nrpages_in =
+		PAGE_ALIGN(rq->inputsize) >> PAGE_SHIFT;
+	unsigned int inputmargin, inlen, outlen, pageofs;
+	struct z_erofs_lzma *strm;
+	u8 *kin;
+	bool bounced = false;
+	int no, ni, j, err = 0;
+
+	/* 1. get the exact LZMA compressed size */
+	kin = kmap(*rq->in);
+	inputmargin = 0;
+	while (!kin[inputmargin & ~PAGE_MASK])
+		if (!(++inputmargin & ~PAGE_MASK))
+			break;
+
+	if (inputmargin >= PAGE_SIZE) {
+		kunmap(*rq->in);
+		return -EFSCORRUPTED;
+	}
+	rq->inputsize -= inputmargin;
+
+	/* 2. get an available lzma context */
+again:
+	spin_lock(&z_erofs_lzma_lock);
+	strm = z_erofs_lzma_head;
+	if (!strm) {
+		spin_unlock(&z_erofs_lzma_lock);
+		wait_event(z_erofs_lzma_wq, READ_ONCE(z_erofs_lzma_head));
+		goto again;
+	}
+	z_erofs_lzma_head = strm->next;
+	spin_unlock(&z_erofs_lzma_lock);
+
+	/* 3. multi-call decompress */
+	inlen = rq->inputsize;
+	outlen = rq->outputsize;
+	xz_dec_microlzma_reset(strm->state, inlen, outlen,
+			       !rq->partial_decoding);
+	pageofs = rq->pageofs_out;
+	strm->buf.in = kin + inputmargin;
+	strm->buf.in_pos = 0;
+	strm->buf.in_size = min_t(u32, inlen, PAGE_SIZE - inputmargin);
+	inlen -= strm->buf.in_size;
+	strm->buf.out = NULL;
+	strm->buf.out_pos = 0;
+	strm->buf.out_size = 0;
+
+	for (ni = 0, no = -1;;) {
+		enum xz_ret xz_err;
+
+		if (strm->buf.out_pos == strm->buf.out_size) {
+			if (strm->buf.out) {
+				kunmap(rq->out[no]);
+				strm->buf.out = NULL;
+			}
+
+			if (++no >= nrpages_out || !outlen) {
+				erofs_err(rq->sb, "decompressed buf out of bound");
+				err = -EFSCORRUPTED;
+				break;
+			}
+			strm->buf.out_pos = 0;
+			strm->buf.out_size = min_t(u32, outlen,
+						   PAGE_SIZE - pageofs);
+			outlen -= strm->buf.out_size;
+			if (rq->out[no])
+				strm->buf.out = kmap(rq->out[no]) + pageofs;
+			pageofs = 0;
+		} else if (strm->buf.in_pos == strm->buf.in_size) {
+			kunmap(rq->in[ni]);
+
+			if (++ni >= nrpages_in || !inlen) {
+				erofs_err(rq->sb, "compressed buf out of bound");
+				err = -EFSCORRUPTED;
+				break;
+			}
+			strm->buf.in_pos = 0;
+			strm->buf.in_size = min_t(u32, inlen, PAGE_SIZE);
+			inlen -= strm->buf.in_size;
+			kin = kmap(rq->in[ni]);
+			strm->buf.in = kin;
+			bounced = false;
+		}
+
+		/*
+		 * Handle overlapping: Use bounced buffer if the compressed
+		 * data is under processing; Otherwise, Use short-lived pages
+		 * from the on-stack pagepool where pages share with the same
+		 * request.
+		 */
+		if (!bounced && rq->out[no] == rq->in[ni]) {
+			memcpy(strm->bounce, strm->buf.in, strm->buf.in_size);
+			strm->buf.in = strm->bounce;
+			bounced = true;
+		}
+		for (j = ni + 1; j < nrpages_in; ++j) {
+			struct page *tmppage;
+
+			if (rq->out[no] != rq->in[j])
+				continue;
+
+			DBG_BUGON(erofs_page_is_managed(EROFS_SB(rq->sb),
+							rq->in[j]));
+			tmppage = erofs_allocpage(pagepool,
+						  GFP_KERNEL | __GFP_NOFAIL);
+			set_page_private(tmppage, Z_EROFS_SHORTLIVED_PAGE);
+			copy_highpage(tmppage, rq->in[j]);
+			rq->in[j] = tmppage;
+		}
+		xz_err = xz_dec_microlzma_run(strm->state, &strm->buf);
+		DBG_BUGON(strm->buf.out_pos > strm->buf.out_size);
+		DBG_BUGON(strm->buf.in_pos > strm->buf.in_size);
+
+		if (xz_err != XZ_OK) {
+			if (xz_err == XZ_STREAM_END && !outlen)
+				break;
+			erofs_err(rq->sb, "failed to decompress %d in[%u] out[%u]",
+				  xz_err, rq->inputsize, rq->outputsize);
+			err = -EFSCORRUPTED;
+			break;
+		}
+	}
+	if (no < nrpages_out && strm->buf.out)
+		kunmap(rq->in[no]);
+	if (ni < nrpages_in)
+		kunmap(rq->in[ni]);
+	/* 4. push back LZMA stream context to the global list */
+	spin_lock(&z_erofs_lzma_lock);
+	strm->next = z_erofs_lzma_head;
+	z_erofs_lzma_head = strm;
+	spin_unlock(&z_erofs_lzma_lock);
+	wake_up(&z_erofs_lzma_wq);
+	return err;
+}
diff --git a/fs/erofs/dir.c b/fs/erofs/dir.c
index 2776bb8..eee9b0b 100644
--- a/fs/erofs/dir.c
+++ b/fs/erofs/dir.c
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include "internal.h"
 
@@ -139,4 +138,3 @@
 	.read		= generic_read_dir,
 	.iterate_shared	= erofs_readdir,
 };
-
diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h
index e8d04d8..083997a 100644
--- a/fs/erofs/erofs_fs.h
+++ b/fs/erofs/erofs_fs.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
+ * Copyright (C) 2021, Alibaba Cloud
  */
 #ifndef __EROFS_FS_H
 #define __EROFS_FS_H
@@ -18,15 +18,39 @@
  * be incompatible with this kernel version.
  */
 #define EROFS_FEATURE_INCOMPAT_LZ4_0PADDING	0x00000001
-#define EROFS_ALL_FEATURE_INCOMPAT		EROFS_FEATURE_INCOMPAT_LZ4_0PADDING
+#define EROFS_FEATURE_INCOMPAT_COMPR_CFGS	0x00000002
+#define EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER	0x00000002
+#define EROFS_FEATURE_INCOMPAT_CHUNKED_FILE	0x00000004
+#define EROFS_FEATURE_INCOMPAT_DEVICE_TABLE	0x00000008
+#define EROFS_FEATURE_INCOMPAT_COMPR_HEAD2	0x00000008
+#define EROFS_ALL_FEATURE_INCOMPAT		\
+	(EROFS_FEATURE_INCOMPAT_LZ4_0PADDING | \
+	 EROFS_FEATURE_INCOMPAT_COMPR_CFGS | \
+	 EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER | \
+	 EROFS_FEATURE_INCOMPAT_CHUNKED_FILE | \
+	 EROFS_FEATURE_INCOMPAT_DEVICE_TABLE | \
+	 EROFS_FEATURE_INCOMPAT_COMPR_HEAD2)
 
-/* 128-byte erofs on-disk super block */
+#define EROFS_SB_EXTSLOT_SIZE	16
+
+struct erofs_deviceslot {
+	union {
+		u8 uuid[16];		/* used for device manager later */
+		u8 userdata[64];	/* digest(sha256), etc. */
+	} u;
+	__le32 blocks;			/* total fs blocks of this device */
+	__le32 mapped_blkaddr;		/* map starting at mapped_blkaddr */
+	u8 reserved[56];
+};
+#define EROFS_DEVT_SLOT_SIZE	sizeof(struct erofs_deviceslot)
+
+/* erofs on-disk super block (currently 128 bytes) */
 struct erofs_super_block {
 	__le32 magic;           /* file system magic number */
 	__le32 checksum;        /* crc32c(super_block) */
 	__le32 feature_compat;
 	__u8 blkszbits;         /* support block_size == PAGE_SIZE only */
-	__u8 reserved;
+	__u8 sb_extslots;	/* superblock size = 128 + sb_extslots * 16 */
 
 	__le16 root_nid;	/* nid of root directory */
 	__le64 inos;            /* total valid ino # (== f_files - f_favail) */
@@ -39,7 +63,15 @@
 	__u8 uuid[16];          /* 128-bit uuid for volume */
 	__u8 volume_name[16];   /* volume name */
 	__le32 feature_incompat;
-	__u8 reserved2[44];
+	union {
+		/* bitmap for available compression algorithms */
+		__le16 available_compr_algs;
+		/* customized sliding window size instead of 64k by default */
+		__le16 lz4_max_distance;
+	} __packed u1;
+	__le16 extra_devices;	/* # of devices besides the primary device */
+	__le16 devt_slotoff;	/* startoff = devt_slotoff * devt_slotsize */
+	__u8 reserved2[38];
 };
 
 /*
@@ -52,13 +84,16 @@
  * inode, [xattrs], last_inline_data, ... | ... | no-holed data
  * 3 - inode compression D:
  * inode, [xattrs], map_header, extents ... | ...
- * 4~7 - reserved
+ * 4 - inode chunk-based E:
+ * inode, [xattrs], chunk indexes ... | ...
+ * 5~7 - reserved
  */
 enum {
 	EROFS_INODE_FLAT_PLAIN			= 0,
 	EROFS_INODE_FLAT_COMPRESSION_LEGACY	= 1,
 	EROFS_INODE_FLAT_INLINE			= 2,
 	EROFS_INODE_FLAT_COMPRESSION		= 3,
+	EROFS_INODE_CHUNK_BASED			= 4,
 	EROFS_INODE_DATALAYOUT_MAX
 };
 
@@ -78,6 +113,19 @@
 #define EROFS_I_ALL	\
 	((1 << (EROFS_I_DATALAYOUT_BIT + EROFS_I_DATALAYOUT_BITS)) - 1)
 
+/* indicate chunk blkbits, thus 'chunksize = blocksize << chunk blkbits' */
+#define EROFS_CHUNK_FORMAT_BLKBITS_MASK		0x001F
+/* with chunk indexes or just a 4-byte blkaddr array */
+#define EROFS_CHUNK_FORMAT_INDEXES		0x0020
+
+#define EROFS_CHUNK_FORMAT_ALL	\
+	(EROFS_CHUNK_FORMAT_BLKBITS_MASK | EROFS_CHUNK_FORMAT_INDEXES)
+
+struct erofs_inode_chunk_info {
+	__le16 format;		/* chunk blkbits, etc. */
+	__le16 reserved;
+};
+
 /* 32-byte reduced form of an ondisk inode */
 struct erofs_inode_compact {
 	__le16 i_format;	/* inode format hints */
@@ -95,6 +143,9 @@
 
 		/* for device files, used to indicate old/new device # */
 		__le32 rdev;
+
+		/* for chunk-based files, it contains the summary info */
+		struct erofs_inode_chunk_info c;
 	} i_u;
 	__le32 i_ino;           /* only used for 32-bit stat compatibility */
 	__le16 i_uid;
@@ -123,6 +174,9 @@
 
 		/* for device files, used to indicate old/new device # */
 		__le32 rdev;
+
+		/* for chunk-based files, it contains the summary info */
+		struct erofs_inode_chunk_info c;
 	} i_u;
 
 	/* only used for 32-bit stat compatibility */
@@ -192,20 +246,56 @@
 				 e->e_name_len + le16_to_cpu(e->e_value_size));
 }
 
+/* represent a zeroed chunk (hole) */
+#define EROFS_NULL_ADDR			-1
+
+/* 4-byte block address array */
+#define EROFS_BLOCK_MAP_ENTRY_SIZE	sizeof(__le32)
+
+/* 8-byte inode chunk indexes */
+struct erofs_inode_chunk_index {
+	__le16 advise;		/* always 0, don't care for now */
+	__le16 device_id;	/* back-end storage id (with bits masked) */
+	__le32 blkaddr;		/* start block address of this inode chunk */
+};
+
+/* maximum supported size of a physical compression cluster */
+#define Z_EROFS_PCLUSTER_MAX_SIZE	(1024 * 1024)
+
 /* available compression algorithm types (for h_algorithmtype) */
 enum {
-	Z_EROFS_COMPRESSION_LZ4	= 0,
+	Z_EROFS_COMPRESSION_LZ4		= 0,
+	Z_EROFS_COMPRESSION_LZMA	= 1,
 	Z_EROFS_COMPRESSION_MAX
 };
+#define Z_EROFS_ALL_COMPR_ALGS		((1 << Z_EROFS_COMPRESSION_MAX) - 1)
+
+/* 14 bytes (+ length field = 16 bytes) */
+struct z_erofs_lz4_cfgs {
+	__le16 max_distance;
+	__le16 max_pclusterblks;
+	u8 reserved[10];
+} __packed;
+
+/* 14 bytes (+ length field = 16 bytes) */
+struct z_erofs_lzma_cfgs {
+	__le32 dict_size;
+	__le16 format;
+	u8 reserved[8];
+} __packed;
+
+#define Z_EROFS_LZMA_MAX_DICT_SIZE	(8 * Z_EROFS_PCLUSTER_MAX_SIZE)
 
 /*
  * bit 0 : COMPACTED_2B indexes (0 - off; 1 - on)
  *  e.g. for 4k logical cluster size,      4B        if compacted 2B is off;
  *                                  (4B) + 2B + (4B) if compacted 2B is on.
+ * bit 1 : HEAD1 big pcluster (0 - off; 1 - on)
+ * bit 2 : HEAD2 big pcluster (0 - off; 1 - on)
  */
-#define Z_EROFS_ADVISE_COMPACTED_2B_BIT         0
-
-#define Z_EROFS_ADVISE_COMPACTED_2B     (1 << Z_EROFS_ADVISE_COMPACTED_2B_BIT)
+#define Z_EROFS_ADVISE_COMPACTED_2B		0x0001
+#define Z_EROFS_ADVISE_BIG_PCLUSTER_1		0x0002
+#define Z_EROFS_ADVISE_BIG_PCLUSTER_2		0x0004
 
 struct z_erofs_map_header {
 	__le32	h_reserved1;
@@ -217,9 +307,7 @@
 	__u8	h_algorithmtype;
 	/*
 	 * bit 0-2 : logical cluster bits - 12, e.g. 0 for 4096;
-	 * bit 3-4 : (physical - logical) cluster bits of head 1:
-	 *       For example, if logical clustersize = 4096, 1 for 8192.
-	 * bit 5-7 : (physical - logical) cluster bits of head 2.
+	 * bit 3-7 : reserved.
 	 */
 	__u8	h_clusterbits;
 };
@@ -227,41 +315,47 @@
 #define Z_EROFS_VLE_LEGACY_HEADER_PADDING       8
 
 /*
- * Fixed-sized output compression ondisk Logical Extent cluster type:
- *    0 - literal (uncompressed) cluster
- *    1 - compressed cluster (for the head logical cluster)
- *    2 - compressed cluster (for the other logical clusters)
+ * Fixed-sized output compression on-disk logical cluster type:
+ *    0   - literal (uncompressed) lcluster
+ *    1,3 - compressed lcluster (for HEAD lclusters)
+ *    2   - compressed lcluster (for NONHEAD lclusters)
  *
  * In detail,
- *    0 - literal (uncompressed) cluster,
+ *    0 - literal (uncompressed) lcluster,
  *        di_advise = 0
- *        di_clusterofs = the literal data offset of the cluster
- *        di_blkaddr = the blkaddr of the literal cluster
+ *        di_clusterofs = the literal data offset of the lcluster
+ *        di_blkaddr = the blkaddr of the literal pcluster
  *
- *    1 - compressed cluster (for the head logical cluster)
- *        di_advise = 1
- *        di_clusterofs = the decompressed data offset of the cluster
- *        di_blkaddr = the blkaddr of the compressed cluster
+ *    1,3 - compressed lcluster (for HEAD lclusters)
+ *        di_advise = 1 or 3
+ *        di_clusterofs = the decompressed data offset of the lcluster
+ *        di_blkaddr = the blkaddr of the compressed pcluster
  *
- *    2 - compressed cluster (for the other logical clusters)
+ *    2 - compressed lcluster (for NONHEAD lclusters)
  *        di_advise = 2
  *        di_clusterofs =
- *           the decompressed data offset in its own head cluster
- *        di_u.delta[0] = distance to its corresponding head cluster
- *        di_u.delta[1] = distance to its corresponding tail cluster
- *                (di_advise could be 0, 1 or 2)
+ *           the decompressed data offset in its own HEAD lcluster
+ *        di_u.delta[0] = distance to this HEAD lcluster
+ *        di_u.delta[1] = distance to the next HEAD lcluster
  */
 enum {
 	Z_EROFS_VLE_CLUSTER_TYPE_PLAIN		= 0,
-	Z_EROFS_VLE_CLUSTER_TYPE_HEAD		= 1,
+	Z_EROFS_VLE_CLUSTER_TYPE_HEAD1		= 1,
 	Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD	= 2,
-	Z_EROFS_VLE_CLUSTER_TYPE_RESERVED	= 3,
+	Z_EROFS_VLE_CLUSTER_TYPE_HEAD2		= 3,
 	Z_EROFS_VLE_CLUSTER_TYPE_MAX
 };
 
 #define Z_EROFS_VLE_DI_CLUSTER_TYPE_BITS        2
 #define Z_EROFS_VLE_DI_CLUSTER_TYPE_BIT         0
 
+/*
+ * D0_CBLKCNT will be marked _only_ at the 1st non-head lcluster to store the
+ * compressed block count of a compressed extent (in logical clusters, aka.
+ * block count of a pcluster).
+ */
+#define Z_EROFS_VLE_DI_D0_CBLKCNT		(1 << 11)
+
 struct z_erofs_vle_decompressed_index {
 	__le16 di_advise;
 	/* where to decompress in the head cluster */
@@ -308,13 +402,18 @@
 	BUILD_BUG_ON(sizeof(struct erofs_inode_extended) != 64);
 	BUILD_BUG_ON(sizeof(struct erofs_xattr_ibody_header) != 12);
 	BUILD_BUG_ON(sizeof(struct erofs_xattr_entry) != 4);
+	BUILD_BUG_ON(sizeof(struct erofs_inode_chunk_info) != 4);
+	BUILD_BUG_ON(sizeof(struct erofs_inode_chunk_index) != 8);
 	BUILD_BUG_ON(sizeof(struct z_erofs_map_header) != 8);
 	BUILD_BUG_ON(sizeof(struct z_erofs_vle_decompressed_index) != 8);
 	BUILD_BUG_ON(sizeof(struct erofs_dirent) != 12);
+	/* keep in sync between 2 index structures for better extendibility */
+	BUILD_BUG_ON(sizeof(struct erofs_inode_chunk_index) !=
+		     sizeof(struct z_erofs_vle_decompressed_index));
+	BUILD_BUG_ON(sizeof(struct erofs_deviceslot) != 128);
 
 	BUILD_BUG_ON(BIT(Z_EROFS_VLE_DI_CLUSTER_TYPE_BITS) <
 		     Z_EROFS_VLE_CLUSTER_TYPE_MAX - 1);
 }
 
 #endif
-
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index 0a94a52..53a7d3c 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -2,7 +2,7 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
+ * Copyright (C) 2021, Alibaba Cloud
  */
 #include "xattr.h"
 
@@ -123,8 +123,11 @@
 		/* total blocks for compressed files */
 		if (erofs_inode_is_data_compressed(vi->datalayout))
 			nblks = le32_to_cpu(die->i_u.compressed_blocks);
-
+		else if (vi->datalayout == EROFS_INODE_CHUNK_BASED)
+			/* fill chunked inode summary info */
+			vi->chunkformat = le16_to_cpu(die->i_u.c.format);
 		kfree(copied);
+		copied = NULL;
 		break;
 	case EROFS_INODE_LAYOUT_COMPACT:
 		vi->inode_isize = sizeof(struct erofs_inode_compact);
@@ -161,6 +164,8 @@
 		inode->i_size = le32_to_cpu(dic->i_size);
 		if (erofs_inode_is_data_compressed(vi->datalayout))
 			nblks = le32_to_cpu(dic->i_u.compressed_blocks);
+		else if (vi->datalayout == EROFS_INODE_CHUNK_BASED)
+			vi->chunkformat = le16_to_cpu(dic->i_u.c.format);
 		break;
 	default:
 		erofs_err(inode->i_sb,
@@ -170,11 +175,26 @@
 		goto err_out;
 	}
 
+	if (vi->datalayout == EROFS_INODE_CHUNK_BASED) {
+		if (!(vi->chunkformat & EROFS_CHUNK_FORMAT_ALL)) {
+			erofs_err(inode->i_sb,
+				  "unsupported chunk format %x of nid %llu",
+				  vi->chunkformat, vi->nid);
+			err = -EOPNOTSUPP;
+			goto err_out;
+		}
+		vi->chunkbits = LOG_BLOCK_SIZE +
+			(vi->chunkformat & EROFS_CHUNK_FORMAT_BLKBITS_MASK);
+	}
 	inode->i_mtime.tv_sec = inode->i_ctime.tv_sec;
 	inode->i_atime.tv_sec = inode->i_ctime.tv_sec;
 	inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec;
 	inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec;
 
+	inode->i_flags &= ~S_DAX;
+	if (test_opt(&sbi->opt, DAX_ALWAYS) && S_ISREG(inode->i_mode) &&
+	    vi->datalayout == EROFS_INODE_FLAT_PLAIN)
+		inode->i_flags |= S_DAX;
 	if (!nblks)
 		/* measure inode.i_blocks as generic filesystems */
 		inode->i_blocks = roundup(inode->i_size, EROFS_BLKSIZ) >> 9;
@@ -248,7 +268,10 @@
 	switch (inode->i_mode & S_IFMT) {
 	case S_IFREG:
 		inode->i_op = &erofs_generic_iops;
-		inode->i_fop = &generic_ro_fops;
+		if (erofs_inode_is_data_compressed(vi->datalayout))
+			inode->i_fop = &generic_ro_fops;
+		else
+			inode->i_fop = &erofs_file_fops;
 		break;
 	case S_IFDIR:
 		inode->i_op = &erofs_dir_iops;
@@ -358,6 +381,7 @@
 	.getattr = erofs_getattr,
 	.listxattr = erofs_listxattr,
 	.get_acl = erofs_get_acl,
+	.fiemap = erofs_fiemap,
 };
 
 const struct inode_operations erofs_symlink_iops = {
@@ -373,4 +397,3 @@
 	.listxattr = erofs_listxattr,
 	.get_acl = erofs_get_acl,
 };
-
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index ce52f70..45b88c3 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -2,7 +2,7 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
+ * Copyright (C) 2021, Alibaba Cloud
  */
 #ifndef __EROFS_INTERNAL_H
 #define __EROFS_INTERNAL_H
@@ -16,6 +16,7 @@
 #include <linux/magic.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
+#include <linux/iomap.h>
 #include "erofs_fs.h"
 
 /* redefine pr_fmt "erofs: " */
@@ -46,10 +47,21 @@
 /* data type for filesystem-wide blocks number */
 typedef u32 erofs_blk_t;
 
-struct erofs_fs_context {
+struct erofs_device_info {
+	char *path;
+	struct block_device *bdev;
+	struct dax_device *dax_dev;
+
+	u32 blocks;
+	u32 mapped_blkaddr;
+};
+
+struct erofs_mount_opts {
 #ifdef CONFIG_EROFS_FS_ZIP
 	/* current strategy of how to use managed cache */
 	unsigned char cache_strategy;
+	/* strategy of sync decompression (false - auto, true - force on) */
+	bool readahead_sync_decompress;
 
 	/* threshold for decompression synchronously */
 	unsigned int max_sync_decompress_pages;
@@ -57,7 +69,28 @@
 	unsigned int mount_opt;
 };
 
+struct erofs_dev_context {
+	struct idr tree;
+	struct rw_semaphore rwsem;
+
+	unsigned int extra_devices;
+};
+
+struct erofs_fs_context {
+	struct erofs_mount_opts opt;
+	struct erofs_dev_context *devs;
+};
+
+/* all filesystem-wide lz4 configurations */
+struct erofs_sb_lz4_info {
+	/* # of pages needed for EROFS lz4 rolling decompression */
+	u16 max_distance_pages;
+	/* maximum possible blocks for pclusters in the filesystem */
+	u16 max_pclusterblks;
+};
+
 struct erofs_sb_info {
+	struct erofs_mount_opts opt;	/* options */
 #ifdef CONFIG_EROFS_FS_ZIP
 	/* list for all registered superblocks, mainly for shrinker */
 	struct list_head list;
@@ -67,19 +100,28 @@
 	struct xarray managed_pslots;
 
 	unsigned int shrinker_run_no;
+	u16 available_compr_algs;
 
 	/* pseudo inode to manage cached pages */
 	struct inode *managed_cache;
+
+	struct erofs_sb_lz4_info lz4;
 #endif	/* CONFIG_EROFS_FS_ZIP */
-	u32 blocks;
+	struct erofs_dev_context *devs;
+	struct dax_device *dax_dev;
+	u64 total_blocks;
+	u32 primarydevice_blocks;
+
 	u32 meta_blkaddr;
 #ifdef CONFIG_EROFS_FS_XATTR
 	u32 xattr_blkaddr;
 #endif
+	u16 device_id_mask;	/* valid bits of device id to be used */
 
 	/* inode slot unit size in bit shift */
 	unsigned char islotbits;
 
+	u32 sb_size;			/* total superblock size */
 	u32 build_time_nsec;
 	u64 build_time;
 
@@ -93,7 +135,9 @@
 	u32 feature_compat;
 	u32 feature_incompat;
 
-	struct erofs_fs_context ctx;	/* options */
+	/* sysfs support */
+	struct kobject s_kobj;		/* /sys/fs/erofs/<devname> */
+	struct completion s_kobj_unregister;
 };
 
 #define EROFS_SB(sb) ((struct erofs_sb_info *)(sb)->s_fs_info)
@@ -102,10 +146,12 @@
 /* Mount flags set via mount options or defaults */
 #define EROFS_MOUNT_XATTR_USER		0x00000010
 #define EROFS_MOUNT_POSIX_ACL		0x00000020
+#define EROFS_MOUNT_DAX_ALWAYS		0x00000040
+#define EROFS_MOUNT_DAX_NEVER		0x00000080
 
-#define clear_opt(ctx, option)	((ctx)->mount_opt &= ~EROFS_MOUNT_##option)
-#define set_opt(ctx, option)	((ctx)->mount_opt |= EROFS_MOUNT_##option)
-#define test_opt(ctx, option)	((ctx)->mount_opt & EROFS_MOUNT_##option)
+#define clear_opt(opt, option)	((opt)->mount_opt &= ~EROFS_MOUNT_##option)
+#define set_opt(opt, option)	((opt)->mount_opt |= EROFS_MOUNT_##option)
+#define test_opt(opt, option)	((opt)->mount_opt & EROFS_MOUNT_##option)
 
 enum {
 	EROFS_ZIP_CACHE_DISABLED,
@@ -182,12 +228,6 @@
 	return v;
 }
 #endif	/* !CONFIG_SMP */
-
-/* hard limit of pages per compressed cluster */
-#define Z_EROFS_CLUSTER_MAX_PAGES       (CONFIG_EROFS_FS_CLUSTER_PAGE_LIMIT)
-#define EROFS_PCPUBUF_NR_PAGES          Z_EROFS_CLUSTER_MAX_PAGES
-#else
-#define EROFS_PCPUBUF_NR_PAGES          0
 #endif	/* !CONFIG_EROFS_FS_ZIP */
 
 /* we strictly follow PAGE_SIZE and no buffer head yet */
@@ -216,6 +256,20 @@
 	return blknr_to_addr(sbi->meta_blkaddr) + (nid << sbi->islotbits);
 }
 
+#define EROFS_FEATURE_FUNCS(name, compat, feature) \
+static inline bool erofs_sb_has_##name(struct erofs_sb_info *sbi) \
+{ \
+	return sbi->feature_##compat & EROFS_FEATURE_##feature; \
+}
+
+EROFS_FEATURE_FUNCS(lz4_0padding, incompat, INCOMPAT_LZ4_0PADDING)
+EROFS_FEATURE_FUNCS(compr_cfgs, incompat, INCOMPAT_COMPR_CFGS)
+EROFS_FEATURE_FUNCS(big_pcluster, incompat, INCOMPAT_BIG_PCLUSTER)
+EROFS_FEATURE_FUNCS(chunked_file, incompat, INCOMPAT_CHUNKED_FILE)
+EROFS_FEATURE_FUNCS(device_table, incompat, INCOMPAT_DEVICE_TABLE)
+EROFS_FEATURE_FUNCS(compr_head2, incompat, INCOMPAT_COMPR_HEAD2)
+EROFS_FEATURE_FUNCS(sb_chksum, compat, COMPAT_SB_CHKSUM)
+
 /* atomic flag definitions */
 #define EROFS_I_EA_INITED_BIT	0
 #define EROFS_I_Z_INITED_BIT	1
@@ -239,12 +293,15 @@
 
 	union {
 		erofs_blk_t raw_blkaddr;
+		struct {
+			unsigned short	chunkformat;
+			unsigned char	chunkbits;
+		};
 #ifdef CONFIG_EROFS_FS_ZIP
 		struct {
 			unsigned short z_advise;
 			unsigned char  z_algorithmtype[2];
 			unsigned char  z_logical_clusterbits;
-			unsigned char  z_physical_clusterbits[2];
 		};
 #endif	/* CONFIG_EROFS_FS_ZIP */
 	};
@@ -287,7 +344,7 @@
 extern const struct address_space_operations z_erofs_aops;
 
 /*
- * Logical to physical block mapping, used by erofs_map_blocks()
+ * Logical to physical block mapping
  *
  * Different with other file systems, it is used for 2 access modes:
  *
@@ -312,7 +369,7 @@
  * of the corresponding uncompressed data in the file.
  */
 enum {
-	BH_Zipped = BH_PrivateStart,
+	BH_Encoded = BH_PrivateStart,
 	BH_FullMapped,
 };
 
@@ -320,8 +377,8 @@
 #define EROFS_MAP_MAPPED	(1 << BH_Mapped)
 /* Located in metadata (could be copied from bd_inode) */
 #define EROFS_MAP_META		(1 << BH_Meta)
-/* The extent has been compressed */
-#define EROFS_MAP_ZIPPED	(1 << BH_Zipped)
+/* The extent is encoded */
+#define EROFS_MAP_ENCODED	(1 << BH_Encoded)
 /* The length of extent is full */
 #define EROFS_MAP_FULL_MAPPED	(1 << BH_FullMapped)
 
@@ -329,15 +386,31 @@
 	erofs_off_t m_pa, m_la;
 	u64 m_plen, m_llen;
 
+	unsigned short m_deviceid;
+	char m_algorithmformat;
 	unsigned int m_flags;
 
 	struct page *mpage;
 };
 
-/* Flags used by erofs_map_blocks() */
+/* Flags used by erofs_map_blocks_flatmode() */
 #define EROFS_GET_BLOCKS_RAW    0x0001
+/*
+ * Used to get the exact decompressed length, e.g. fiemap (consider lookback
+ * approach instead if possible since it's more metadata lightweight.)
+ */
+#define EROFS_GET_BLOCKS_FIEMAP	0x0002
+/* Used to map the whole extent if non-negligible data is requested for LZMA */
+#define EROFS_GET_BLOCKS_READMORE	0x0004
+
+enum {
+	Z_EROFS_COMPRESSION_SHIFTED = Z_EROFS_COMPRESSION_MAX,
+	Z_EROFS_COMPRESSION_RUNTIME_MAX
+};
 
 /* zmap.c */
+extern const struct iomap_ops z_erofs_iomap_report_ops;
+
 #ifdef CONFIG_EROFS_FS_ZIP
 int z_erofs_fill_inode(struct inode *inode);
 int z_erofs_map_blocks_iter(struct inode *inode,
@@ -353,10 +426,20 @@
 }
 #endif	/* !CONFIG_EROFS_FS_ZIP */
 
-/* data.c */
-struct page *erofs_get_meta_page(struct super_block *sb, erofs_blk_t blkaddr);
+struct erofs_map_dev {
+	struct block_device *m_bdev;
+	struct dax_device *m_daxdev;
 
-int erofs_map_blocks(struct inode *, struct erofs_map_blocks *, int);
+	erofs_off_t m_pa;
+	unsigned int m_deviceid;
+};
+
+/* data.c */
+extern const struct file_operations erofs_file_fops;
+struct page *erofs_get_meta_page(struct super_block *sb, erofs_blk_t blkaddr);
+int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *dev);
+int erofs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+		 u64 start, u64 len);
 
 /* inode.c */
 static inline unsigned long erofs_inode_hash(erofs_nid_t nid)
@@ -385,23 +468,43 @@
 /* dir.c */
 extern const struct file_operations erofs_dir_fops;
 
-/* utils.c / zdata.c */
-struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp);
-
-#if (EROFS_PCPUBUF_NR_PAGES > 0)
-void *erofs_get_pcpubuf(unsigned int pagenr);
-#define erofs_put_pcpubuf(buf) do { \
-	(void)&(buf);	\
-	preempt_enable();	\
-} while (0)
-#else
-static inline void *erofs_get_pcpubuf(unsigned int pagenr)
+static inline void *erofs_vm_map_ram(struct page **pages, unsigned int count)
 {
-	return ERR_PTR(-EOPNOTSUPP);
+	int retried = 0;
+
+	while (1) {
+		void *p = vm_map_ram(pages, count, -1);
+
+		/* retry two more times (totally 3 times) */
+		if (p || ++retried >= 3)
+			return p;
+		vm_unmap_aliases();
+	}
+	return NULL;
 }
 
-#define erofs_put_pcpubuf(buf) do {} while (0)
-#endif
+/* pcpubuf.c */
+void *erofs_get_pcpubuf(unsigned int requiredpages);
+void erofs_put_pcpubuf(void *ptr);
+int erofs_pcpubuf_growsize(unsigned int nrpages);
+void erofs_pcpubuf_init(void);
+void erofs_pcpubuf_exit(void);
+
+/* sysfs.c */
+int erofs_register_sysfs(struct super_block *sb);
+void erofs_unregister_sysfs(struct super_block *sb);
+int __init erofs_init_sysfs(void);
+void erofs_exit_sysfs(void);
+
+/* utils.c / zdata.c */
+struct page *erofs_allocpage(struct page **pagepool, gfp_t gfp);
+static inline void erofs_pagepool_add(struct page **pagepool,
+		struct page *page)
+{
+	set_page_private(page, (unsigned long)*pagepool);
+	*pagepool = page;
+}
+void erofs_release_pages(struct page **pagepool);
 
 #ifdef CONFIG_EROFS_FS_ZIP
 int erofs_workgroup_put(struct erofs_workgroup *grp);
@@ -418,8 +521,10 @@
 void z_erofs_exit_zip_subsystem(void);
 int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
 				       struct erofs_workgroup *egrp);
-int erofs_try_to_free_cached_page(struct address_space *mapping,
-				  struct page *page);
+int erofs_try_to_free_cached_page(struct page *page);
+int z_erofs_load_lz4_config(struct super_block *sb,
+			    struct erofs_super_block *dsb,
+			    struct z_erofs_lz4_cfgs *lz4, int len);
 #else
 static inline void erofs_shrinker_register(struct super_block *sb) {}
 static inline void erofs_shrinker_unregister(struct super_block *sb) {}
@@ -427,9 +532,38 @@
 static inline void erofs_exit_shrinker(void) {}
 static inline int z_erofs_init_zip_subsystem(void) { return 0; }
 static inline void z_erofs_exit_zip_subsystem(void) {}
+static inline int z_erofs_load_lz4_config(struct super_block *sb,
+				  struct erofs_super_block *dsb,
+				  struct z_erofs_lz4_cfgs *lz4, int len)
+{
+	if (lz4 || dsb->u1.lz4_max_distance) {
+		erofs_err(sb, "lz4 algorithm isn't enabled");
+		return -EINVAL;
+	}
+	return 0;
+}
+#endif	/* !CONFIG_EROFS_FS_ZIP */
+
+#ifdef CONFIG_EROFS_FS_ZIP_LZMA
+int z_erofs_lzma_init(void);
+void z_erofs_lzma_exit(void);
+int z_erofs_load_lzma_config(struct super_block *sb,
+			     struct erofs_super_block *dsb,
+			     struct z_erofs_lzma_cfgs *lzma, int size);
+#else
+static inline int z_erofs_lzma_init(void) { return 0; }
+static inline int z_erofs_lzma_exit(void) { return 0; }
+static inline int z_erofs_load_lzma_config(struct super_block *sb,
+			     struct erofs_super_block *dsb,
+			     struct z_erofs_lzma_cfgs *lzma, int size) {
+	if (lzma) {
+		erofs_err(sb, "lzma algorithm isn't enabled");
+		return -EINVAL;
+	}
+	return 0;
+}
 #endif	/* !CONFIG_EROFS_FS_ZIP */
 
 #define EFSCORRUPTED    EUCLEAN         /* Filesystem is corrupted */
 
 #endif	/* __EROFS_INTERNAL_H */
-
diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c
index 5f8cc73..8629e61 100644
--- a/fs/erofs/namei.c
+++ b/fs/erofs/namei.c
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include "xattr.h"
 
@@ -234,8 +233,8 @@
 	} else if (err) {
 		inode = ERR_PTR(err);
 	} else {
-		erofs_dbg("%s, %s (nid %llu) found, d_type %u", __func__,
-			  dentry->d_name.name, nid, d_type);
+		erofs_dbg("%s, %pd (nid %llu) found, d_type %u", __func__,
+			  dentry, nid, d_type);
 		inode = erofs_iget(dir->i_sb, nid, d_type == FT_DIR);
 	}
 	return d_splice_alias(inode, dentry);
@@ -246,5 +245,5 @@
 	.getattr = erofs_getattr,
 	.listxattr = erofs_listxattr,
 	.get_acl = erofs_get_acl,
+	.fiemap = erofs_fiemap,
 };
-
diff --git a/fs/erofs/pcpubuf.c b/fs/erofs/pcpubuf.c
new file mode 100644
index 0000000..a2efd83
--- /dev/null
+++ b/fs/erofs/pcpubuf.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) Gao Xiang <xiang@kernel.org>
+ *
+ * For low-latency decompression algorithms (e.g. lz4), reserve consecutive
+ * per-CPU virtual memory (in pages) in advance to store such inplace I/O
+ * data if inplace decompression is failed (due to unmet inplace margin for
+ * example).
+ */
+#include "internal.h"
+
+struct erofs_pcpubuf {
+	raw_spinlock_t lock;
+	void *ptr;
+	struct page **pages;
+	unsigned int nrpages;
+};
+
+static DEFINE_PER_CPU(struct erofs_pcpubuf, erofs_pcb);
+
+void *erofs_get_pcpubuf(unsigned int requiredpages)
+	__acquires(pcb->lock)
+{
+	struct erofs_pcpubuf *pcb = &get_cpu_var(erofs_pcb);
+
+	raw_spin_lock(&pcb->lock);
+	/* check if the per-CPU buffer is too small */
+	if (requiredpages > pcb->nrpages) {
+		raw_spin_unlock(&pcb->lock);
+		put_cpu_var(erofs_pcb);
+		/* (for sparse checker) pretend pcb->lock is still taken */
+		__acquire(pcb->lock);
+		return NULL;
+	}
+	return pcb->ptr;
+}
+
+void erofs_put_pcpubuf(void *ptr) __releases(pcb->lock)
+{
+	struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, smp_processor_id());
+
+	DBG_BUGON(pcb->ptr != ptr);
+	raw_spin_unlock(&pcb->lock);
+	put_cpu_var(erofs_pcb);
+}
+
+/* the next step: support per-CPU page buffers hotplug */
+int erofs_pcpubuf_growsize(unsigned int nrpages)
+{
+	static DEFINE_MUTEX(pcb_resize_mutex);
+	static unsigned int pcb_nrpages;
+	struct page *pagepool = NULL;
+	int delta, cpu, ret, i;
+
+	mutex_lock(&pcb_resize_mutex);
+	delta = nrpages - pcb_nrpages;
+	ret = 0;
+	/* avoid shrinking pcpubuf, since no idea how many fses rely on */
+	if (delta <= 0)
+		goto out;
+
+	for_each_possible_cpu(cpu) {
+		struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, cpu);
+		struct page **pages, **oldpages;
+		void *ptr, *old_ptr;
+
+		pages = kmalloc_array(nrpages, sizeof(*pages), GFP_KERNEL);
+		if (!pages) {
+			ret = -ENOMEM;
+			break;
+		}
+
+		for (i = 0; i < nrpages; ++i) {
+			pages[i] = erofs_allocpage(&pagepool, GFP_KERNEL);
+			if (!pages[i]) {
+				ret = -ENOMEM;
+				oldpages = pages;
+				goto free_pagearray;
+			}
+		}
+		ptr = vmap(pages, nrpages, VM_MAP, PAGE_KERNEL);
+		if (!ptr) {
+			ret = -ENOMEM;
+			oldpages = pages;
+			goto free_pagearray;
+		}
+		raw_spin_lock(&pcb->lock);
+		old_ptr = pcb->ptr;
+		pcb->ptr = ptr;
+		oldpages = pcb->pages;
+		pcb->pages = pages;
+		i = pcb->nrpages;
+		pcb->nrpages = nrpages;
+		raw_spin_unlock(&pcb->lock);
+
+		if (!oldpages) {
+			DBG_BUGON(old_ptr);
+			continue;
+		}
+
+		if (old_ptr)
+			vunmap(old_ptr);
+free_pagearray:
+		while (i)
+			erofs_pagepool_add(&pagepool, oldpages[--i]);
+		kfree(oldpages);
+		if (ret)
+			break;
+	}
+	pcb_nrpages = nrpages;
+	erofs_release_pages(&pagepool);
+out:
+	mutex_unlock(&pcb_resize_mutex);
+	return ret;
+}
+
+void erofs_pcpubuf_init(void)
+{
+	int cpu;
+
+	for_each_possible_cpu(cpu) {
+		struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, cpu);
+
+		raw_spin_lock_init(&pcb->lock);
+	}
+}
+
+void erofs_pcpubuf_exit(void)
+{
+	int cpu, i;
+
+	for_each_possible_cpu(cpu) {
+		struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, cpu);
+
+		if (pcb->ptr) {
+			vunmap(pcb->ptr);
+			pcb->ptr = NULL;
+		}
+		if (!pcb->pages)
+			continue;
+
+		for (i = 0; i < pcb->nrpages; ++i)
+			if (pcb->pages[i])
+				put_page(pcb->pages[i]);
+		kfree(pcb->pages);
+		pcb->pages = NULL;
+	}
+}
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index f31a08d..46c80ea 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include <linux/module.h>
 #include <linux/buffer_head.h>
@@ -12,6 +11,7 @@
 #include <linux/crc32c.h>
 #include <linux/fs_context.h>
 #include <linux/fs_parser.h>
+#include <linux/dax.h>
 #include "xattr.h"
 
 #define CREATE_TRACE_POINTS
@@ -122,6 +122,212 @@
 	return true;
 }
 
+#ifdef CONFIG_EROFS_FS_ZIP
+/* read variable-sized metadata, offset will be aligned by 4-byte */
+static void *erofs_read_metadata(struct super_block *sb, struct page **pagep,
+				 erofs_off_t *offset, int *lengthp)
+{
+	struct page *page = *pagep;
+	u8 *buffer, *ptr;
+	int len, i, cnt;
+	erofs_blk_t blk;
+
+	*offset = round_up(*offset, 4);
+	blk = erofs_blknr(*offset);
+
+	if (!page || page->index != blk) {
+		if (page) {
+			unlock_page(page);
+			put_page(page);
+		}
+		page = erofs_get_meta_page(sb, blk);
+		if (IS_ERR(page))
+			goto err_nullpage;
+	}
+
+	ptr = kmap(page);
+	len = le16_to_cpu(*(__le16 *)&ptr[erofs_blkoff(*offset)]);
+	if (!len)
+		len = U16_MAX + 1;
+	buffer = kmalloc(len, GFP_KERNEL);
+	if (!buffer) {
+		buffer = ERR_PTR(-ENOMEM);
+		goto out;
+	}
+	*offset += sizeof(__le16);
+	*lengthp = len;
+
+	for (i = 0; i < len; i += cnt) {
+		cnt = min(EROFS_BLKSIZ - (int)erofs_blkoff(*offset), len - i);
+		blk = erofs_blknr(*offset);
+
+		if (!page || page->index != blk) {
+			if (page) {
+				kunmap(page);
+				unlock_page(page);
+				put_page(page);
+			}
+			page = erofs_get_meta_page(sb, blk);
+			if (IS_ERR(page)) {
+				kfree(buffer);
+				goto err_nullpage;
+			}
+			ptr = kmap(page);
+		}
+		memcpy(buffer + i, ptr + erofs_blkoff(*offset), cnt);
+		*offset += cnt;
+	}
+out:
+	kunmap(page);
+	*pagep = page;
+	return buffer;
+err_nullpage:
+	*pagep = NULL;
+	return page;
+}
+
+static int erofs_load_compr_cfgs(struct super_block *sb,
+				 struct erofs_super_block *dsb)
+{
+	struct erofs_sb_info *sbi;
+	struct page *page;
+	unsigned int algs, alg;
+	erofs_off_t offset;
+	int size, ret;
+
+	sbi = EROFS_SB(sb);
+	sbi->available_compr_algs = le16_to_cpu(dsb->u1.available_compr_algs);
+
+	if (sbi->available_compr_algs & ~Z_EROFS_ALL_COMPR_ALGS) {
+		erofs_err(sb, "try to load compressed fs with unsupported algorithms %x",
+			  sbi->available_compr_algs & ~Z_EROFS_ALL_COMPR_ALGS);
+		return -EINVAL;
+	}
+
+	offset = EROFS_SUPER_OFFSET + sbi->sb_size;
+	page = NULL;
+	alg = 0;
+	ret = 0;
+
+	for (algs = sbi->available_compr_algs; algs; algs >>= 1, ++alg) {
+		void *data;
+
+		if (!(algs & 1))
+			continue;
+
+		data = erofs_read_metadata(sb, &page, &offset, &size);
+		if (IS_ERR(data)) {
+			ret = PTR_ERR(data);
+			goto err;
+		}
+
+		switch (alg) {
+		case Z_EROFS_COMPRESSION_LZ4:
+			ret = z_erofs_load_lz4_config(sb, dsb, data, size);
+			break;
+		case Z_EROFS_COMPRESSION_LZMA:
+			ret = z_erofs_load_lzma_config(sb, dsb, data, size);
+			break;
+		default:
+			DBG_BUGON(1);
+			ret = -EFAULT;
+		}
+		kfree(data);
+		if (ret)
+			goto err;
+	}
+err:
+	if (page) {
+		unlock_page(page);
+		put_page(page);
+	}
+	return ret;
+}
+#else
+static int erofs_load_compr_cfgs(struct super_block *sb,
+				 struct erofs_super_block *dsb)
+{
+	if (dsb->u1.available_compr_algs) {
+		erofs_err(sb, "try to load compressed fs when compression is disabled");
+		return -EINVAL;
+	}
+	return 0;
+}
+#endif
+
+static int erofs_init_devices(struct super_block *sb,
+			      struct erofs_super_block *dsb)
+{
+	struct erofs_sb_info *sbi = EROFS_SB(sb);
+	unsigned int ondisk_extradevs;
+	erofs_off_t pos;
+	struct page *page = NULL;
+	struct erofs_device_info *dif;
+	struct erofs_deviceslot *dis;
+	void *ptr;
+	int id, err = 0;
+
+	sbi->total_blocks = sbi->primarydevice_blocks;
+	if (!erofs_sb_has_device_table(sbi))
+		ondisk_extradevs = 0;
+	else
+		ondisk_extradevs = le16_to_cpu(dsb->extra_devices);
+
+	if (ondisk_extradevs != sbi->devs->extra_devices) {
+		erofs_err(sb, "extra devices don't match (ondisk %u, given %u)",
+			  ondisk_extradevs, sbi->devs->extra_devices);
+		return -EINVAL;
+	}
+	if (!ondisk_extradevs)
+		return 0;
+
+	sbi->device_id_mask = roundup_pow_of_two(ondisk_extradevs + 1) - 1;
+	pos = le16_to_cpu(dsb->devt_slotoff) * EROFS_DEVT_SLOT_SIZE;
+	down_read(&sbi->devs->rwsem);
+	idr_for_each_entry(&sbi->devs->tree, dif, id) {
+		erofs_blk_t blk = erofs_blknr(pos);
+		struct block_device *bdev;
+
+		if (!page || page->index != blk) {
+			if (page) {
+				kunmap(page);
+				unlock_page(page);
+				put_page(page);
+			}
+
+			page = erofs_get_meta_page(sb, blk);
+			if (IS_ERR(page)) {
+				up_read(&sbi->devs->rwsem);
+				return PTR_ERR(page);
+			}
+			ptr = kmap(page);
+		}
+		dis = ptr + erofs_blkoff(pos);
+
+		bdev = blkdev_get_by_path(dif->path,
+					  FMODE_READ | FMODE_EXCL,
+					  sb->s_type);
+		if (IS_ERR(bdev)) {
+			err = PTR_ERR(bdev);
+			goto err_out;
+		}
+		dif->bdev = bdev;
+		dif->dax_dev = fs_dax_get_by_bdev(bdev);
+		dif->blocks = le32_to_cpu(dis->blocks);
+		dif->mapped_blkaddr = le32_to_cpu(dis->mapped_blkaddr);
+		sbi->total_blocks += dif->blocks;
+		pos += EROFS_DEVT_SLOT_SIZE;
+	}
+err_out:
+	up_read(&sbi->devs->rwsem);
+	if (page) {
+		kunmap(page);
+		unlock_page(page);
+		put_page(page);
+	}
+	return err;
+}
+
 static int erofs_read_superblock(struct super_block *sb)
 {
 	struct erofs_sb_info *sbi;
@@ -149,7 +355,7 @@
 	}
 
 	sbi->feature_compat = le32_to_cpu(dsb->feature_compat);
-	if (sbi->feature_compat & EROFS_FEATURE_COMPAT_SB_CHKSUM) {
+	if (erofs_sb_has_sb_chksum(sbi)) {
 		ret = erofs_superblock_csum_verify(sb, data);
 		if (ret)
 			goto out;
@@ -167,7 +373,13 @@
 	if (!check_layout_compatibility(sb, dsb))
 		goto out;
 
-	sbi->blocks = le32_to_cpu(dsb->blocks);
+	sbi->sb_size = 128 + dsb->sb_extslots * EROFS_SB_EXTSLOT_SIZE;
+	if (sbi->sb_size > EROFS_BLKSIZ) {
+		erofs_err(sb, "invalid sb_extslots %u (more than a fs block)",
+			  sbi->sb_size);
+		goto out;
+	}
+	sbi->primarydevice_blocks = le32_to_cpu(dsb->blocks);
 	sbi->meta_blkaddr = le32_to_cpu(dsb->meta_blkaddr);
 #ifdef CONFIG_EROFS_FS_XATTR
 	sbi->xattr_blkaddr = le32_to_cpu(dsb->xattr_blkaddr);
@@ -188,7 +400,17 @@
 		ret = -EFSCORRUPTED;
 		goto out;
 	}
-	ret = 0;
+
+	/* parse on-disk compression configurations */
+	if (erofs_sb_has_compr_cfgs(sbi))
+		ret = erofs_load_compr_cfgs(sb, dsb);
+	else
+		ret = z_erofs_load_lz4_config(sb, dsb, NULL, 0);
+	if (ret < 0)
+		goto out;
+
+	/* handle multiple devices */
+	ret = erofs_init_devices(sb, dsb);
 out:
 	kunmap(page);
 	put_page(page);
@@ -199,14 +421,15 @@
 static void erofs_default_options(struct erofs_fs_context *ctx)
 {
 #ifdef CONFIG_EROFS_FS_ZIP
-	ctx->cache_strategy = EROFS_ZIP_CACHE_READAROUND;
-	ctx->max_sync_decompress_pages = 3;
+	ctx->opt.cache_strategy = EROFS_ZIP_CACHE_READAROUND;
+	ctx->opt.max_sync_decompress_pages = 3;
+	ctx->opt.readahead_sync_decompress = false;
 #endif
 #ifdef CONFIG_EROFS_FS_XATTR
-	set_opt(ctx, XATTR_USER);
+	set_opt(&ctx->opt, XATTR_USER);
 #endif
 #ifdef CONFIG_EROFS_FS_POSIX_ACL
-	set_opt(ctx, POSIX_ACL);
+	set_opt(&ctx->opt, POSIX_ACL);
 #endif
 }
 
@@ -214,6 +437,9 @@
 	Opt_user_xattr,
 	Opt_acl,
 	Opt_cache_strategy,
+	Opt_dax,
+	Opt_dax_enum,
+	Opt_device,
 	Opt_err
 };
 
@@ -224,20 +450,55 @@
 	{}
 };
 
+static const struct constant_table erofs_dax_param_enums[] = {
+	{"always",	EROFS_MOUNT_DAX_ALWAYS},
+	{"never",	EROFS_MOUNT_DAX_NEVER},
+	{}
+};
+
 static const struct fs_parameter_spec erofs_fs_parameters[] = {
 	fsparam_flag_no("user_xattr",	Opt_user_xattr),
 	fsparam_flag_no("acl",		Opt_acl),
 	fsparam_enum("cache_strategy",	Opt_cache_strategy,
 		     erofs_param_cache_strategy),
+	fsparam_flag("dax",             Opt_dax),
+	fsparam_enum("dax",		Opt_dax_enum, erofs_dax_param_enums),
+	fsparam_string("device",	Opt_device),
 	{}
 };
 
+static bool erofs_fc_set_dax_mode(struct fs_context *fc, unsigned int mode)
+{
+#ifdef CONFIG_FS_DAX
+	struct erofs_fs_context *ctx = fc->fs_private;
+
+	switch (mode) {
+	case EROFS_MOUNT_DAX_ALWAYS:
+		warnfc(fc, "DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
+		set_opt(&ctx->opt, DAX_ALWAYS);
+		clear_opt(&ctx->opt, DAX_NEVER);
+		return true;
+	case EROFS_MOUNT_DAX_NEVER:
+		set_opt(&ctx->opt, DAX_NEVER);
+		clear_opt(&ctx->opt, DAX_ALWAYS);
+		return true;
+	default:
+		DBG_BUGON(1);
+		return false;
+	}
+#else
+	errorfc(fc, "dax options not supported");
+	return false;
+#endif
+}
+
 static int erofs_fc_parse_param(struct fs_context *fc,
 				struct fs_parameter *param)
 {
-	struct erofs_fs_context *ctx __maybe_unused = fc->fs_private;
+	struct erofs_fs_context *ctx = fc->fs_private;
 	struct fs_parse_result result;
-	int opt;
+	struct erofs_device_info *dif;
+	int opt, ret;
 
 	opt = fs_parse(fc, erofs_fs_parameters, param, &result);
 	if (opt < 0)
@@ -247,9 +508,9 @@
 	case Opt_user_xattr:
 #ifdef CONFIG_EROFS_FS_XATTR
 		if (result.boolean)
-			set_opt(ctx, XATTR_USER);
+			set_opt(&ctx->opt, XATTR_USER);
 		else
-			clear_opt(ctx, XATTR_USER);
+			clear_opt(&ctx->opt, XATTR_USER);
 #else
 		errorfc(fc, "{,no}user_xattr options not supported");
 #endif
@@ -257,20 +518,47 @@
 	case Opt_acl:
 #ifdef CONFIG_EROFS_FS_POSIX_ACL
 		if (result.boolean)
-			set_opt(ctx, POSIX_ACL);
+			set_opt(&ctx->opt, POSIX_ACL);
 		else
-			clear_opt(ctx, POSIX_ACL);
+			clear_opt(&ctx->opt, POSIX_ACL);
 #else
 		errorfc(fc, "{,no}acl options not supported");
 #endif
 		break;
 	case Opt_cache_strategy:
 #ifdef CONFIG_EROFS_FS_ZIP
-		ctx->cache_strategy = result.uint_32;
+		ctx->opt.cache_strategy = result.uint_32;
 #else
 		errorfc(fc, "compression not supported, cache_strategy ignored");
 #endif
 		break;
+	case Opt_dax:
+		if (!erofs_fc_set_dax_mode(fc, EROFS_MOUNT_DAX_ALWAYS))
+			return -EINVAL;
+		break;
+	case Opt_dax_enum:
+		if (!erofs_fc_set_dax_mode(fc, result.uint_32))
+			return -EINVAL;
+		break;
+	case Opt_device:
+		dif = kzalloc(sizeof(*dif), GFP_KERNEL);
+		if (!dif)
+			return -ENOMEM;
+		dif->path = kstrdup(param->string, GFP_KERNEL);
+		if (!dif->path) {
+			kfree(dif);
+			return -ENOMEM;
+		}
+		down_write(&ctx->devs->rwsem);
+		ret = idr_alloc(&ctx->devs->tree, dif, 0, 0, GFP_KERNEL);
+		up_write(&ctx->devs->rwsem);
+		if (ret < 0) {
+			kfree(dif->path);
+			kfree(dif);
+			return ret;
+		}
+		++ctx->devs->extra_devices;
+		break;
 	default:
 		return -ENOPARAM;
 	}
@@ -289,7 +577,7 @@
 	DBG_BUGON(mapping->a_ops != &managed_cache_aops);
 
 	if (PagePrivate(page))
-		ret = erofs_try_to_free_cached_page(mapping, page);
+		ret = erofs_try_to_free_cached_page(page);
 
 	return ret;
 }
@@ -355,10 +643,20 @@
 		return -ENOMEM;
 
 	sb->s_fs_info = sbi;
+	sbi->opt = ctx->opt;
+	sbi->dax_dev = fs_dax_get_by_bdev(sb->s_bdev);
+	sbi->devs = ctx->devs;
+	ctx->devs = NULL;
+
 	err = erofs_read_superblock(sb);
 	if (err)
 		return err;
 
+	if (test_opt(&sbi->opt, DAX_ALWAYS) &&
+	    !bdev_dax_supported(sb->s_bdev, EROFS_BLKSIZ)) {
+		errorfc(fc, "DAX unsupported by block device. Turning off DAX.");
+		clear_opt(&sbi->opt, DAX_ALWAYS);
+	}
 	sb->s_flags |= SB_RDONLY | SB_NOATIME;
 	sb->s_maxbytes = MAX_LFS_FILESIZE;
 	sb->s_time_gran = 1;
@@ -366,13 +664,11 @@
 	sb->s_op = &erofs_sops;
 	sb->s_xattr = erofs_xattr_handlers;
 
-	if (test_opt(ctx, POSIX_ACL))
+	if (test_opt(&sbi->opt, POSIX_ACL))
 		sb->s_flags |= SB_POSIXACL;
 	else
 		sb->s_flags &= ~SB_POSIXACL;
 
-	sbi->ctx = *ctx;
-
 #ifdef CONFIG_EROFS_FS_ZIP
 	xa_init(&sbi->managed_pslots);
 #endif
@@ -399,6 +695,10 @@
 	if (err)
 		return err;
 
+	err = erofs_register_sysfs(sb);
+	if (err)
+		return err;
+
 	erofs_info(sb, "mounted with root inode @ nid %llu.", ROOT_NID(sbi));
 	return 0;
 }
@@ -416,20 +716,44 @@
 
 	DBG_BUGON(!sb_rdonly(sb));
 
-	if (test_opt(ctx, POSIX_ACL))
+	if (test_opt(&ctx->opt, POSIX_ACL))
 		fc->sb_flags |= SB_POSIXACL;
 	else
 		fc->sb_flags &= ~SB_POSIXACL;
 
-	sbi->ctx = *ctx;
+	sbi->opt = ctx->opt;
 
 	fc->sb_flags |= SB_RDONLY;
 	return 0;
 }
 
+static int erofs_release_device_info(int id, void *ptr, void *data)
+{
+	struct erofs_device_info *dif = ptr;
+
+	fs_put_dax(dif->dax_dev);
+	if (dif->bdev)
+		blkdev_put(dif->bdev, FMODE_READ | FMODE_EXCL);
+	kfree(dif->path);
+	kfree(dif);
+	return 0;
+}
+
+static void erofs_free_dev_context(struct erofs_dev_context *devs)
+{
+	if (!devs)
+		return;
+	idr_for_each(&devs->tree, &erofs_release_device_info, NULL);
+	idr_destroy(&devs->tree);
+	kfree(devs);
+}
+
 static void erofs_fc_free(struct fs_context *fc)
 {
-	kfree(fc->fs_private);
+	struct erofs_fs_context *ctx = fc->fs_private;
+
+	erofs_free_dev_context(ctx->devs);
+	kfree(ctx);
 }
 
 static const struct fs_context_operations erofs_context_ops = {
@@ -441,15 +765,21 @@
 
 static int erofs_init_fs_context(struct fs_context *fc)
 {
-	fc->fs_private = kzalloc(sizeof(struct erofs_fs_context), GFP_KERNEL);
-	if (!fc->fs_private)
+	struct erofs_fs_context *ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+
+	if (!ctx)
 		return -ENOMEM;
+	ctx->devs = kzalloc(sizeof(struct erofs_dev_context), GFP_KERNEL);
+	if (!ctx->devs) {
+		kfree(ctx);
+		return -ENOMEM;
+	}
+	fc->fs_private = ctx;
 
-	/* set default mount options */
-	erofs_default_options(fc->fs_private);
-
+	idr_init(&ctx->devs->tree);
+	init_rwsem(&ctx->devs->rwsem);
+	erofs_default_options(ctx);
 	fc->ops = &erofs_context_ops;
-
 	return 0;
 }
 
@@ -468,6 +798,9 @@
 	sbi = EROFS_SB(sb);
 	if (!sbi)
 		return;
+
+	erofs_free_dev_context(sbi->devs);
+	fs_put_dax(sbi->dax_dev);
 	kfree(sbi);
 	sb->s_fs_info = NULL;
 }
@@ -479,6 +812,7 @@
 
 	DBG_BUGON(!sbi);
 
+	erofs_unregister_sysfs(sb);
 	erofs_shrinker_unregister(sb);
 #ifdef CONFIG_EROFS_FS_ZIP
 	iput(sbi->managed_cache);
@@ -514,10 +848,19 @@
 	if (err)
 		goto shrinker_err;
 
+	err = z_erofs_lzma_init();
+	if (err)
+		goto lzma_err;
+
+	erofs_pcpubuf_init();
 	err = z_erofs_init_zip_subsystem();
 	if (err)
 		goto zip_err;
 
+	err = erofs_init_sysfs();
+	if (err)
+		goto sysfs_err;
+
 	err = register_filesystem(&erofs_fs_type);
 	if (err)
 		goto fs_err;
@@ -525,8 +868,12 @@
 	return 0;
 
 fs_err:
+	erofs_exit_sysfs();
+sysfs_err:
 	z_erofs_exit_zip_subsystem();
 zip_err:
+	z_erofs_lzma_exit();
+lzma_err:
 	erofs_exit_shrinker();
 shrinker_err:
 	kmem_cache_destroy(erofs_inode_cachep);
@@ -537,12 +884,16 @@
 static void __exit erofs_module_exit(void)
 {
 	unregister_filesystem(&erofs_fs_type);
-	z_erofs_exit_zip_subsystem();
-	erofs_exit_shrinker();
 
-	/* Ensure all RCU free inodes are safe before cache is destroyed. */
+	/* Ensure all RCU free inodes / pclusters are safe to be destroyed. */
 	rcu_barrier();
+
+	erofs_exit_sysfs();
+	z_erofs_exit_zip_subsystem();
+	z_erofs_lzma_exit();
+	erofs_exit_shrinker();
 	kmem_cache_destroy(erofs_inode_cachep);
+	erofs_pcpubuf_exit();
 }
 
 /* get filesystem statistics */
@@ -554,7 +905,7 @@
 
 	buf->f_type = sb->s_magic;
 	buf->f_bsize = EROFS_BLKSIZ;
-	buf->f_blocks = sbi->blocks;
+	buf->f_blocks = sbi->total_blocks;
 	buf->f_bfree = buf->f_bavail = 0;
 
 	buf->f_files = ULLONG_MAX;
@@ -568,29 +919,33 @@
 
 static int erofs_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct erofs_sb_info *sbi __maybe_unused = EROFS_SB(root->d_sb);
-	struct erofs_fs_context *ctx __maybe_unused = &sbi->ctx;
+	struct erofs_sb_info *sbi = EROFS_SB(root->d_sb);
+	struct erofs_mount_opts *opt = &sbi->opt;
 
 #ifdef CONFIG_EROFS_FS_XATTR
-	if (test_opt(ctx, XATTR_USER))
+	if (test_opt(opt, XATTR_USER))
 		seq_puts(seq, ",user_xattr");
 	else
 		seq_puts(seq, ",nouser_xattr");
 #endif
 #ifdef CONFIG_EROFS_FS_POSIX_ACL
-	if (test_opt(ctx, POSIX_ACL))
+	if (test_opt(opt, POSIX_ACL))
 		seq_puts(seq, ",acl");
 	else
 		seq_puts(seq, ",noacl");
 #endif
 #ifdef CONFIG_EROFS_FS_ZIP
-	if (ctx->cache_strategy == EROFS_ZIP_CACHE_DISABLED)
+	if (opt->cache_strategy == EROFS_ZIP_CACHE_DISABLED)
 		seq_puts(seq, ",cache_strategy=disabled");
-	else if (ctx->cache_strategy == EROFS_ZIP_CACHE_READAHEAD)
+	else if (opt->cache_strategy == EROFS_ZIP_CACHE_READAHEAD)
 		seq_puts(seq, ",cache_strategy=readahead");
-	else if (ctx->cache_strategy == EROFS_ZIP_CACHE_READAROUND)
+	else if (opt->cache_strategy == EROFS_ZIP_CACHE_READAROUND)
 		seq_puts(seq, ",cache_strategy=readaround");
 #endif
+	if (test_opt(opt, DAX_ALWAYS))
+		seq_puts(seq, ",dax=always");
+	if (test_opt(opt, DAX_NEVER))
+		seq_puts(seq, ",dax=never");
 	return 0;
 }
 
@@ -608,4 +963,4 @@
 MODULE_DESCRIPTION("Enhanced ROM File System");
 MODULE_AUTHOR("Gao Xiang, Chao Yu, Miao Xie, CONSUMER BG, HUAWEI Inc.");
 MODULE_LICENSE("GPL");
-
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c
new file mode 100644
index 0000000..dd122dd
--- /dev/null
+++ b/fs/erofs/sysfs.c
@@ -0,0 +1,241 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C), 2008-2021, OPPO Mobile Comm Corp., Ltd.
+ *             https://www.oppo.com/
+ */
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+
+#include "internal.h"
+
+enum {
+	attr_feature,
+	attr_pointer_ui,
+	attr_pointer_bool,
+};
+
+enum {
+	struct_erofs_sb_info,
+};
+
+struct erofs_attr {
+	struct attribute attr;
+	short attr_id;
+	int struct_type, offset;
+};
+
+#define EROFS_ATTR(_name, _mode, _id)					\
+static struct erofs_attr erofs_attr_##_name = {				\
+	.attr = {.name = __stringify(_name), .mode = _mode },		\
+	.attr_id = attr_##_id,						\
+}
+#define EROFS_ATTR_FUNC(_name, _mode)	EROFS_ATTR(_name, _mode, _name)
+#define EROFS_ATTR_FEATURE(_name)	EROFS_ATTR(_name, 0444, feature)
+
+#define EROFS_ATTR_OFFSET(_name, _mode, _id, _struct)	\
+static struct erofs_attr erofs_attr_##_name = {			\
+	.attr = {.name = __stringify(_name), .mode = _mode },	\
+	.attr_id = attr_##_id,					\
+	.struct_type = struct_##_struct,			\
+	.offset = offsetof(struct _struct, _name),\
+}
+
+#define EROFS_ATTR_RW(_name, _id, _struct)	\
+	EROFS_ATTR_OFFSET(_name, 0644, _id, _struct)
+
+#define EROFS_RO_ATTR(_name, _id, _struct)	\
+	EROFS_ATTR_OFFSET(_name, 0444, _id, _struct)
+
+#define EROFS_ATTR_RW_UI(_name, _struct)	\
+	EROFS_ATTR_RW(_name, pointer_ui, _struct)
+
+#define EROFS_ATTR_RW_BOOL(_name, _struct)	\
+	EROFS_ATTR_RW(_name, pointer_bool, _struct)
+
+#define ATTR_LIST(name) (&erofs_attr_##name.attr)
+
+static struct attribute *erofs_attrs[] = {
+	NULL,
+};
+ATTRIBUTE_GROUPS(erofs);
+
+/* Features this copy of erofs supports */
+EROFS_ATTR_FEATURE(zero_padding);
+EROFS_ATTR_FEATURE(compr_cfgs);
+EROFS_ATTR_FEATURE(big_pcluster);
+EROFS_ATTR_FEATURE(chunked_file);
+EROFS_ATTR_FEATURE(device_table);
+EROFS_ATTR_FEATURE(compr_head2);
+EROFS_ATTR_FEATURE(sb_chksum);
+
+static struct attribute *erofs_feat_attrs[] = {
+	ATTR_LIST(zero_padding),
+	ATTR_LIST(compr_cfgs),
+	ATTR_LIST(big_pcluster),
+	ATTR_LIST(chunked_file),
+	ATTR_LIST(device_table),
+	ATTR_LIST(compr_head2),
+	ATTR_LIST(sb_chksum),
+	NULL,
+};
+ATTRIBUTE_GROUPS(erofs_feat);
+
+static unsigned char *__struct_ptr(struct erofs_sb_info *sbi,
+					  int struct_type, int offset)
+{
+	if (struct_type == struct_erofs_sb_info)
+		return (unsigned char *)sbi + offset;
+	return NULL;
+}
+
+static ssize_t erofs_attr_show(struct kobject *kobj,
+				struct attribute *attr, char *buf)
+{
+	struct erofs_sb_info *sbi = container_of(kobj, struct erofs_sb_info,
+						s_kobj);
+	struct erofs_attr *a = container_of(attr, struct erofs_attr, attr);
+	unsigned char *ptr = __struct_ptr(sbi, a->struct_type, a->offset);
+
+	switch (a->attr_id) {
+	case attr_feature:
+		return sysfs_emit(buf, "supported\n");
+	case attr_pointer_ui:
+		if (!ptr)
+			return 0;
+		return sysfs_emit(buf, "%u\n", *(unsigned int *)ptr);
+	case attr_pointer_bool:
+		if (!ptr)
+			return 0;
+		return sysfs_emit(buf, "%d\n", *(bool *)ptr);
+	}
+	return 0;
+}
+
+static ssize_t erofs_attr_store(struct kobject *kobj, struct attribute *attr,
+						const char *buf, size_t len)
+{
+	struct erofs_sb_info *sbi = container_of(kobj, struct erofs_sb_info,
+						s_kobj);
+	struct erofs_attr *a = container_of(attr, struct erofs_attr, attr);
+	unsigned char *ptr = __struct_ptr(sbi, a->struct_type, a->offset);
+	unsigned long t;
+	int ret;
+
+	switch (a->attr_id) {
+	case attr_pointer_ui:
+		if (!ptr)
+			return 0;
+		ret = kstrtoul(skip_spaces(buf), 0, &t);
+		if (ret)
+			return ret;
+		if (t != (unsigned int)t)
+			return -ERANGE;
+		*(unsigned int *)ptr = t;
+		return len;
+	case attr_pointer_bool:
+		if (!ptr)
+			return 0;
+		ret = kstrtoul(skip_spaces(buf), 0, &t);
+		if (ret)
+			return ret;
+		if (t != 0 && t != 1)
+			return -EINVAL;
+		*(bool *)ptr = !!t;
+		return len;
+	}
+	return 0;
+}
+
+static void erofs_sb_release(struct kobject *kobj)
+{
+	struct erofs_sb_info *sbi = container_of(kobj, struct erofs_sb_info,
+						 s_kobj);
+	complete(&sbi->s_kobj_unregister);
+}
+
+static const struct sysfs_ops erofs_attr_ops = {
+	.show	= erofs_attr_show,
+	.store	= erofs_attr_store,
+};
+
+static struct kobj_type erofs_sb_ktype = {
+	.default_groups = erofs_groups,
+	.sysfs_ops	= &erofs_attr_ops,
+	.release	= erofs_sb_release,
+};
+
+static struct kobj_type erofs_ktype = {
+	.sysfs_ops	= &erofs_attr_ops,
+};
+
+static struct kset erofs_root = {
+	.kobj	= {.ktype = &erofs_ktype},
+};
+
+static struct kobj_type erofs_feat_ktype = {
+	.default_groups = erofs_feat_groups,
+	.sysfs_ops	= &erofs_attr_ops,
+};
+
+static struct kobject erofs_feat = {
+	.kset	= &erofs_root,
+};
+
+int erofs_register_sysfs(struct super_block *sb)
+{
+	struct erofs_sb_info *sbi = EROFS_SB(sb);
+	int err;
+
+	sbi->s_kobj.kset = &erofs_root;
+	init_completion(&sbi->s_kobj_unregister);
+	err = kobject_init_and_add(&sbi->s_kobj, &erofs_sb_ktype, NULL,
+				   "%s", sb->s_id);
+	if (err)
+		goto put_sb_kobj;
+	return 0;
+
+put_sb_kobj:
+	kobject_put(&sbi->s_kobj);
+	wait_for_completion(&sbi->s_kobj_unregister);
+	return err;
+}
+
+void erofs_unregister_sysfs(struct super_block *sb)
+{
+	struct erofs_sb_info *sbi = EROFS_SB(sb);
+
+	if (sbi->s_kobj.state_in_sysfs) {
+		kobject_del(&sbi->s_kobj);
+		kobject_put(&sbi->s_kobj);
+		wait_for_completion(&sbi->s_kobj_unregister);
+	}
+}
+
+int __init erofs_init_sysfs(void)
+{
+	int ret;
+
+	kobject_set_name(&erofs_root.kobj, "erofs");
+	erofs_root.kobj.parent = fs_kobj;
+	ret = kset_register(&erofs_root);
+	if (ret)
+		goto root_err;
+
+	ret = kobject_init_and_add(&erofs_feat, &erofs_feat_ktype,
+				   NULL, "features");
+	if (ret)
+		goto feat_err;
+	return ret;
+
+feat_err:
+	kobject_put(&erofs_feat);
+	kset_unregister(&erofs_root);
+root_err:
+	return ret;
+}
+
+void erofs_exit_sysfs(void)
+{
+	kobject_put(&erofs_feat);
+	kset_unregister(&erofs_root);
+}
diff --git a/fs/erofs/tagptr.h b/fs/erofs/tagptr.h
index a72897c..64ceb72 100644
--- a/fs/erofs/tagptr.h
+++ b/fs/erofs/tagptr.h
@@ -1,8 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * A tagged pointer implementation
- *
- * Copyright (C) 2018 Gao Xiang <gaoxiang25@huawei.com>
  */
 #ifndef __EROFS_FS_TAGPTR_H
 #define __EROFS_FS_TAGPTR_H
@@ -107,4 +105,3 @@
 *ptptr; })
 
 #endif	/* __EROFS_FS_TAGPTR_H */
-
diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c
index 5c11199..ec9a1d7 100644
--- a/fs/erofs/utils.c
+++ b/fs/erofs/utils.c
@@ -2,36 +2,32 @@
 /*
  * Copyright (C) 2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include "internal.h"
 #include <linux/pagevec.h>
 
-struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp)
+struct page *erofs_allocpage(struct page **pagepool, gfp_t gfp)
 {
-	struct page *page;
+	struct page *page = *pagepool;
 
-	if (!list_empty(pool)) {
-		page = lru_to_page(pool);
+	if (page) {
 		DBG_BUGON(page_ref_count(page) != 1);
-		list_del(&page->lru);
+		*pagepool = (struct page *)page_private(page);
 	} else {
 		page = alloc_page(gfp);
 	}
 	return page;
 }
 
-#if (EROFS_PCPUBUF_NR_PAGES > 0)
-static struct {
-	u8 data[PAGE_SIZE * EROFS_PCPUBUF_NR_PAGES];
-} ____cacheline_aligned_in_smp erofs_pcpubuf[NR_CPUS];
-
-void *erofs_get_pcpubuf(unsigned int pagenr)
+void erofs_release_pages(struct page **pagepool)
 {
-	preempt_disable();
-	return &erofs_pcpubuf[smp_processor_id()].data[pagenr * PAGE_SIZE];
+	while (*pagepool) {
+		struct page *page = *pagepool;
+
+		*pagepool = (struct page *)page_private(page);
+		put_page(page);
+	}
 }
-#endif
 
 #ifdef CONFIG_EROFS_FS_ZIP
 /* global shrink count (for all mounted EROFS instances) */
@@ -294,4 +290,3 @@
 	unregister_shrinker(&erofs_shrinker_info);
 }
 #endif	/* !CONFIG_EROFS_FS_ZIP */
-
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index 47314a2..f89e666 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include <linux/security.h>
 #include "xattr.h"
@@ -430,7 +429,7 @@
 
 static bool erofs_xattr_user_list(struct dentry *dentry)
 {
-	return test_opt(&EROFS_SB(dentry->d_sb)->ctx, XATTR_USER);
+	return test_opt(&EROFS_SB(dentry->d_sb)->opt, XATTR_USER);
 }
 
 static bool erofs_xattr_trusted_list(struct dentry *dentry)
@@ -471,13 +470,14 @@
 
 static int erofs_xattr_generic_get(const struct xattr_handler *handler,
 				   struct dentry *unused, struct inode *inode,
-				   const char *name, void *buffer, size_t size)
+				   const char *name, void *buffer, size_t size,
+				   int flags)
 {
 	struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
 
 	switch (handler->flags) {
 	case EROFS_XATTR_INDEX_USER:
-		if (!test_opt(&sbi->ctx, XATTR_USER))
+		if (!test_opt(&sbi->opt, XATTR_USER))
 			return -EOPNOTSUPP;
 		break;
 	case EROFS_XATTR_INDEX_TRUSTED:
@@ -709,4 +709,3 @@
 	return acl;
 }
 #endif
-
diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h
index 815304b..366dcb4 100644
--- a/fs/erofs/xattr.h
+++ b/fs/erofs/xattr.h
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2017-2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #ifndef __EROFS_XATTR_H
 #define __EROFS_XATTR_H
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index da13395..528452c 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -2,24 +2,108 @@
 /*
  * Copyright (C) 2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include "zdata.h"
 #include "compress.h"
 #include <linux/prefetch.h>
-
+#include <linux/cpuhotplug.h>
 #include <trace/events/erofs.h>
 
 /*
- * a compressed_pages[] placeholder in order to avoid
- * being filled with file pages for in-place decompression.
+ * since pclustersize is variable for big pcluster feature, introduce slab
+ * pools implementation for different pcluster sizes.
  */
-#define PAGE_UNALLOCATED     ((void *)0x5F0E4B1D)
+struct z_erofs_pcluster_slab {
+	struct kmem_cache *slab;
+	unsigned int maxpages;
+	char name[48];
+};
+
+#define _PCLP(n) { .maxpages = n }
+
+static struct z_erofs_pcluster_slab pcluster_pool[] __read_mostly = {
+	_PCLP(1), _PCLP(4), _PCLP(16), _PCLP(64), _PCLP(128),
+	_PCLP(Z_EROFS_PCLUSTER_MAX_PAGES)
+};
+
+static void z_erofs_destroy_pcluster_pool(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pcluster_pool); ++i) {
+		if (!pcluster_pool[i].slab)
+			continue;
+		kmem_cache_destroy(pcluster_pool[i].slab);
+		pcluster_pool[i].slab = NULL;
+	}
+}
+
+static int z_erofs_create_pcluster_pool(void)
+{
+	struct z_erofs_pcluster_slab *pcs;
+	struct z_erofs_pcluster *a;
+	unsigned int size;
+
+	for (pcs = pcluster_pool;
+	     pcs < pcluster_pool + ARRAY_SIZE(pcluster_pool); ++pcs) {
+		size = struct_size(a, compressed_pages, pcs->maxpages);
+
+		sprintf(pcs->name, "erofs_pcluster-%u", pcs->maxpages);
+		pcs->slab = kmem_cache_create(pcs->name, size, 0,
+					      SLAB_RECLAIM_ACCOUNT, NULL);
+		if (pcs->slab)
+			continue;
+
+		z_erofs_destroy_pcluster_pool();
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+static struct z_erofs_pcluster *z_erofs_alloc_pcluster(unsigned int nrpages)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pcluster_pool); ++i) {
+		struct z_erofs_pcluster_slab *pcs = pcluster_pool + i;
+		struct z_erofs_pcluster *pcl;
+
+		if (nrpages > pcs->maxpages)
+			continue;
+
+		pcl = kmem_cache_zalloc(pcs->slab, GFP_NOFS);
+		if (!pcl)
+			return ERR_PTR(-ENOMEM);
+		pcl->pclusterpages = nrpages;
+		return pcl;
+	}
+	return ERR_PTR(-EINVAL);
+}
+
+static void z_erofs_free_pcluster(struct z_erofs_pcluster *pcl)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pcluster_pool); ++i) {
+		struct z_erofs_pcluster_slab *pcs = pcluster_pool + i;
+
+		if (pcl->pclusterpages > pcs->maxpages)
+			continue;
+
+		kmem_cache_free(pcs->slab, pcl);
+		return;
+	}
+	DBG_BUGON(1);
+}
 
 /* how to allocate cached pages for a pcluster */
 enum z_erofs_cache_alloctype {
 	DONTALLOC,	/* don't allocate any cached pages */
-	DELAYEDALLOC,	/* delayed allocation (at the time of submitting io) */
+	/*
+	 * try to use cached I/O if page allocation succeeds or fallback
+	 * to in-place I/O instead to avoid any direct reclaim.
+	 */
+	TRYALLOC,
 };
 
 /*
@@ -32,54 +116,162 @@
 	tagptr_fold(compressed_page_t, page, 1)
 
 static struct workqueue_struct *z_erofs_workqueue __read_mostly;
-static struct kmem_cache *pcluster_cachep __read_mostly;
+
+#ifdef CONFIG_EROFS_FS_PCPU_KTHREAD
+static struct kthread_worker __rcu **z_erofs_pcpu_workers;
+
+static void erofs_destroy_percpu_workers(void)
+{
+	struct kthread_worker *worker;
+	unsigned int cpu;
+
+	for_each_possible_cpu(cpu) {
+		worker = rcu_dereference_protected(
+					z_erofs_pcpu_workers[cpu], 1);
+		rcu_assign_pointer(z_erofs_pcpu_workers[cpu], NULL);
+		if (worker)
+			kthread_destroy_worker(worker);
+	}
+	kfree(z_erofs_pcpu_workers);
+}
+
+static struct kthread_worker *erofs_init_percpu_worker(int cpu)
+{
+	struct kthread_worker *worker =
+		kthread_create_worker_on_cpu(cpu, 0, "erofs_worker/%u", cpu);
+
+	if (IS_ERR(worker))
+		return worker;
+	if (IS_ENABLED(CONFIG_EROFS_FS_PCPU_KTHREAD_HIPRI))
+		sched_set_fifo_low(worker->task);
+	else
+		sched_set_normal(worker->task, 0);
+	return worker;
+}
+
+static int erofs_init_percpu_workers(void)
+{
+	struct kthread_worker *worker;
+	unsigned int cpu;
+
+	z_erofs_pcpu_workers = kcalloc(num_possible_cpus(),
+			sizeof(struct kthread_worker *), GFP_ATOMIC);
+	if (!z_erofs_pcpu_workers)
+		return -ENOMEM;
+
+	for_each_online_cpu(cpu) {	/* could miss cpu{off,on}line? */
+		worker = erofs_init_percpu_worker(cpu);
+		if (!IS_ERR(worker))
+			rcu_assign_pointer(z_erofs_pcpu_workers[cpu], worker);
+	}
+	return 0;
+}
+#else
+static inline void erofs_destroy_percpu_workers(void) {}
+static inline int erofs_init_percpu_workers(void) { return 0; }
+#endif
+
+#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_EROFS_FS_PCPU_KTHREAD)
+static DEFINE_SPINLOCK(z_erofs_pcpu_worker_lock);
+static enum cpuhp_state erofs_cpuhp_state;
+
+static int erofs_cpu_online(unsigned int cpu)
+{
+	struct kthread_worker *worker, *old;
+
+	worker = erofs_init_percpu_worker(cpu);
+	if (IS_ERR(worker))
+		return PTR_ERR(worker);
+
+	spin_lock(&z_erofs_pcpu_worker_lock);
+	old = rcu_dereference_protected(z_erofs_pcpu_workers[cpu],
+			lockdep_is_held(&z_erofs_pcpu_worker_lock));
+	if (!old)
+		rcu_assign_pointer(z_erofs_pcpu_workers[cpu], worker);
+	spin_unlock(&z_erofs_pcpu_worker_lock);
+	if (old)
+		kthread_destroy_worker(worker);
+	return 0;
+}
+
+static int erofs_cpu_offline(unsigned int cpu)
+{
+	struct kthread_worker *worker;
+
+	spin_lock(&z_erofs_pcpu_worker_lock);
+	worker = rcu_dereference_protected(z_erofs_pcpu_workers[cpu],
+			lockdep_is_held(&z_erofs_pcpu_worker_lock));
+	rcu_assign_pointer(z_erofs_pcpu_workers[cpu], NULL);
+	spin_unlock(&z_erofs_pcpu_worker_lock);
+
+	synchronize_rcu();
+	if (worker)
+		kthread_destroy_worker(worker);
+	return 0;
+}
+
+static int erofs_cpu_hotplug_init(void)
+{
+	int state;
+
+	state = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
+			"fs/erofs:online", erofs_cpu_online, erofs_cpu_offline);
+	if (state < 0)
+		return state;
+
+	erofs_cpuhp_state = state;
+	return 0;
+}
+
+static void erofs_cpu_hotplug_destroy(void)
+{
+	if (erofs_cpuhp_state)
+		cpuhp_remove_state_nocalls(erofs_cpuhp_state);
+}
+#else /* !CONFIG_HOTPLUG_CPU || !CONFIG_EROFS_FS_PCPU_KTHREAD */
+static inline int erofs_cpu_hotplug_init(void) { return 0; }
+static inline void erofs_cpu_hotplug_destroy(void) {}
+#endif
 
 void z_erofs_exit_zip_subsystem(void)
 {
+	erofs_cpu_hotplug_destroy();
+	erofs_destroy_percpu_workers();
 	destroy_workqueue(z_erofs_workqueue);
-	kmem_cache_destroy(pcluster_cachep);
-}
-
-static inline int z_erofs_init_workqueue(void)
-{
-	const unsigned int onlinecpus = num_possible_cpus();
-
-	/*
-	 * no need to spawn too many threads, limiting threads could minimum
-	 * scheduling overhead, perhaps per-CPU threads should be better?
-	 */
-	z_erofs_workqueue = alloc_workqueue("erofs_unzipd",
-					    WQ_UNBOUND | WQ_HIGHPRI,
-					    onlinecpus + onlinecpus / 4);
-	return z_erofs_workqueue ? 0 : -ENOMEM;
-}
-
-static void z_erofs_pcluster_init_once(void *ptr)
-{
-	struct z_erofs_pcluster *pcl = ptr;
-	struct z_erofs_collection *cl = z_erofs_primarycollection(pcl);
-	unsigned int i;
-
-	mutex_init(&cl->lock);
-	cl->nr_pages = 0;
-	cl->vcnt = 0;
-	for (i = 0; i < Z_EROFS_CLUSTER_MAX_PAGES; ++i)
-		pcl->compressed_pages[i] = NULL;
+	z_erofs_destroy_pcluster_pool();
 }
 
 int __init z_erofs_init_zip_subsystem(void)
 {
-	pcluster_cachep = kmem_cache_create("erofs_compress",
-					    Z_EROFS_WORKGROUP_SIZE, 0,
-					    SLAB_RECLAIM_ACCOUNT,
-					    z_erofs_pcluster_init_once);
-	if (pcluster_cachep) {
-		if (!z_erofs_init_workqueue())
-			return 0;
+	int err = z_erofs_create_pcluster_pool();
 
-		kmem_cache_destroy(pcluster_cachep);
+	if (err)
+		goto out_error_pcluster_pool;
+
+	z_erofs_workqueue = alloc_workqueue("erofs_worker",
+			WQ_UNBOUND | WQ_HIGHPRI, num_possible_cpus());
+	if (!z_erofs_workqueue) {
+		err = -ENOMEM;
+		goto out_error_workqueue_init;
 	}
-	return -ENOMEM;
+
+	err = erofs_init_percpu_workers();
+	if (err)
+		goto out_error_pcpu_worker;
+
+	err = erofs_cpu_hotplug_init();
+	if (err < 0)
+		goto out_error_cpuhp_init;
+	return err;
+
+out_error_cpuhp_init:
+	erofs_destroy_percpu_workers();
+out_error_pcpu_worker:
+	destroy_workqueue(z_erofs_workqueue);
+out_error_workqueue_init:
+	z_erofs_destroy_pcluster_pool();
+out_error_pcluster_pool:
+	return err;
 }
 
 enum z_erofs_collectmode {
@@ -99,6 +291,12 @@
 	 * |_______PRIMARY_FOLLOWED_______|________PRIMARY_HOOKED___________|
 	 */
 	COLLECT_PRIMARY_HOOKED,
+	/*
+	 * a weak form of COLLECT_PRIMARY_FOLLOWED, the difference is that it
+	 * could be dispatched into bypass queue later due to uptodated managed
+	 * pages. All related online pages cannot be reused for inplace I/O (or
+	 * pagevec) since it can be directly decoded without I/O submission.
+	 */
 	COLLECT_PRIMARY_FOLLOWED_NOINPLACE,
 	/*
 	 * The current collection has been linked with the owned chain, and
@@ -123,7 +321,8 @@
 
 	struct z_erofs_pcluster *pcl, *tailpcl;
 	struct z_erofs_collection *cl;
-	struct page **compressedpages;
+	/* a pointer used to pick up inplace I/O pages */
+	struct page **icpage_ptr;
 	z_erofs_next_pcluster_t owned_head;
 
 	enum z_erofs_collectmode mode;
@@ -154,20 +353,25 @@
 
 static void preload_compressed_pages(struct z_erofs_collector *clt,
 				     struct address_space *mc,
-				     enum z_erofs_cache_alloctype type)
+				     enum z_erofs_cache_alloctype type,
+				     struct page **pagepool)
 {
-	const struct z_erofs_pcluster *pcl = clt->pcl;
-	const unsigned int clusterpages = BIT(pcl->clusterbits);
-	struct page **pages = clt->compressedpages;
-	pgoff_t index = pcl->obj.index + (pages - pcl->compressed_pages);
+	struct z_erofs_pcluster *pcl = clt->pcl;
 	bool standalone = true;
+	gfp_t gfp = (mapping_gfp_mask(mc) & ~__GFP_DIRECT_RECLAIM) |
+			__GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN;
+	struct page **pages;
+	pgoff_t index;
 
 	if (clt->mode < COLLECT_PRIMARY_FOLLOWED)
 		return;
 
-	for (; pages < pcl->compressed_pages + clusterpages; ++pages) {
+	pages = pcl->compressed_pages;
+	index = pcl->obj.index;
+	for (; index < pcl->obj.index + pcl->pclusterpages; ++index, ++pages) {
 		struct page *page;
 		compressed_page_t t;
+		struct page *newpage = NULL;
 
 		/* the compressed page was loaded before */
 		if (READ_ONCE(*pages))
@@ -177,13 +381,21 @@
 
 		if (page) {
 			t = tag_compressed_page_justfound(page);
-		} else if (type == DELAYEDALLOC) {
-			t = tagptr_init(compressed_page_t, PAGE_UNALLOCATED);
-		} else {	/* DONTALLOC */
-			if (standalone)
-				clt->compressedpages = pages;
+		} else {
+			/* I/O is needed, no possible to decompress directly */
 			standalone = false;
-			continue;
+			switch (type) {
+			case TRYALLOC:
+				newpage = erofs_allocpage(pagepool, gfp);
+				if (!newpage)
+					continue;
+				set_page_private(newpage,
+						 Z_EROFS_PREALLOCATED_PAGE);
+				t = tag_compressed_page_justfound(newpage);
+				break;
+			default:        /* DONTALLOC */
+				continue;
+			}
 		}
 
 		if (!cmpxchg_relaxed(pages, NULL, tagptr_cast_ptr(t)))
@@ -191,9 +403,15 @@
 
 		if (page)
 			put_page(page);
+		else if (newpage)
+			erofs_pagepool_add(pagepool, newpage);
 	}
 
-	if (standalone)		/* downgrade to PRIMARY_FOLLOWED_NOINPLACE */
+	/*
+	 * don't do inplace I/O if all compressed pages are available in
+	 * managed cache since it can be moved to the bypass queue instead.
+	 */
+	if (standalone)
 		clt->mode = COLLECT_PRIMARY_FOLLOWED_NOINPLACE;
 }
 
@@ -203,15 +421,13 @@
 {
 	struct z_erofs_pcluster *const pcl =
 		container_of(grp, struct z_erofs_pcluster, obj);
-	struct address_space *const mapping = MNGD_MAPPING(sbi);
-	const unsigned int clusterpages = BIT(pcl->clusterbits);
 	int i;
 
 	/*
 	 * refcount of workgroup is now freezed as 1,
 	 * therefore no need to worry about available decompression users.
 	 */
-	for (i = 0; i < clusterpages; ++i) {
+	for (i = 0; i < pcl->pclusterpages; ++i) {
 		struct page *page = pcl->compressed_pages[i];
 
 		if (!page)
@@ -221,31 +437,26 @@
 		if (!trylock_page(page))
 			return -EBUSY;
 
-		if (page->mapping != mapping)
+		if (!erofs_page_is_managed(sbi, page))
 			continue;
 
 		/* barrier is implied in the following 'unlock_page' */
 		WRITE_ONCE(pcl->compressed_pages[i], NULL);
-		set_page_private(page, 0);
-		ClearPagePrivate(page);
-
+		detach_page_private(page);
 		unlock_page(page);
-		put_page(page);
 	}
 	return 0;
 }
 
-int erofs_try_to_free_cached_page(struct address_space *mapping,
-				  struct page *page)
+int erofs_try_to_free_cached_page(struct page *page)
 {
 	struct z_erofs_pcluster *const pcl = (void *)page_private(page);
-	const unsigned int clusterpages = BIT(pcl->clusterbits);
 	int ret = 0;	/* 0 - busy */
 
 	if (erofs_workgroup_try_to_freeze(&pcl->obj, 1)) {
 		unsigned int i;
 
-		for (i = 0; i < clusterpages; ++i) {
+		for (i = 0; i < pcl->pclusterpages; ++i) {
 			if (pcl->compressed_pages[i] == page) {
 				WRITE_ONCE(pcl->compressed_pages[i], NULL);
 				ret = 1;
@@ -254,25 +465,21 @@
 		}
 		erofs_workgroup_unfreeze(&pcl->obj, 1);
 
-		if (ret) {
-			ClearPagePrivate(page);
-			put_page(page);
-		}
+		if (ret)
+			detach_page_private(page);
 	}
 	return ret;
 }
 
 /* page_type must be Z_EROFS_PAGE_TYPE_EXCLUSIVE */
-static inline bool z_erofs_try_inplace_io(struct z_erofs_collector *clt,
-					  struct page *page)
+static bool z_erofs_try_inplace_io(struct z_erofs_collector *clt,
+				   struct page *page)
 {
 	struct z_erofs_pcluster *const pcl = clt->pcl;
-	const unsigned int clusterpages = BIT(pcl->clusterbits);
 
-	while (clt->compressedpages < pcl->compressed_pages + clusterpages) {
-		if (!cmpxchg(clt->compressedpages++, NULL, page))
+	while (clt->icpage_ptr > pcl->compressed_pages)
+		if (!cmpxchg(--clt->icpage_ptr, NULL, page))
 			return true;
-	}
 	return false;
 }
 
@@ -295,34 +502,33 @@
 	return ret ? 0 : -EAGAIN;
 }
 
-static enum z_erofs_collectmode
-try_to_claim_pcluster(struct z_erofs_pcluster *pcl,
-		      z_erofs_next_pcluster_t *owned_head)
+static void z_erofs_try_to_claim_pcluster(struct z_erofs_collector *clt)
 {
-	/* let's claim these following types of pclusters */
-retry:
-	if (pcl->next == Z_EROFS_PCLUSTER_NIL) {
-		/* type 1, nil pcluster */
-		if (cmpxchg(&pcl->next, Z_EROFS_PCLUSTER_NIL,
-			    *owned_head) != Z_EROFS_PCLUSTER_NIL)
-			goto retry;
+	struct z_erofs_pcluster *pcl = clt->pcl;
+	z_erofs_next_pcluster_t *owned_head = &clt->owned_head;
 
+	/* type 1, nil pcluster (this pcluster doesn't belong to any chain.) */
+	if (cmpxchg(&pcl->next, Z_EROFS_PCLUSTER_NIL,
+		    *owned_head) == Z_EROFS_PCLUSTER_NIL) {
 		*owned_head = &pcl->next;
-		/* lucky, I am the followee :) */
-		return COLLECT_PRIMARY_FOLLOWED;
-	} else if (pcl->next == Z_EROFS_PCLUSTER_TAIL) {
-		/*
-		 * type 2, link to the end of a existing open chain,
-		 * be careful that its submission itself is governed
-		 * by the original owned chain.
-		 */
-		if (cmpxchg(&pcl->next, Z_EROFS_PCLUSTER_TAIL,
-			    *owned_head) != Z_EROFS_PCLUSTER_TAIL)
-			goto retry;
-		*owned_head = Z_EROFS_PCLUSTER_TAIL;
-		return COLLECT_PRIMARY_HOOKED;
+		/* so we can attach this pcluster to our submission chain. */
+		clt->mode = COLLECT_PRIMARY_FOLLOWED;
+		return;
 	}
-	return COLLECT_PRIMARY;	/* :( better luck next time */
+
+	/*
+	 * type 2, link to the end of an existing open chain, be careful
+	 * that its submission is controlled by the original attached chain.
+	 */
+	if (cmpxchg(&pcl->next, Z_EROFS_PCLUSTER_TAIL,
+		    *owned_head) == Z_EROFS_PCLUSTER_TAIL) {
+		*owned_head = Z_EROFS_PCLUSTER_TAIL;
+		clt->mode = COLLECT_PRIMARY_HOOKED;
+		clt->tailpcl = NULL;
+		return;
+	}
+	/* type 3, it belongs to a chain, but it isn't the end of the chain */
+	clt->mode = COLLECT_PRIMARY;
 }
 
 static int z_erofs_lookup_collection(struct z_erofs_collector *clt,
@@ -367,10 +573,8 @@
 	/* used to check tail merging loop due to corrupted images */
 	if (clt->owned_head == Z_EROFS_PCLUSTER_TAIL)
 		clt->tailpcl = pcl;
-	clt->mode = try_to_claim_pcluster(pcl, &clt->owned_head);
-	/* clean tailpcl if the current owned_head is Z_EROFS_PCLUSTER_TAIL */
-	if (clt->owned_head == Z_EROFS_PCLUSTER_TAIL)
-		clt->tailpcl = NULL;
+
+	z_erofs_try_to_claim_pcluster(clt);
 	clt->cl = cl;
 	return 0;
 }
@@ -384,42 +588,35 @@
 	struct erofs_workgroup *grp;
 	int err;
 
-	/* no available workgroup, let's allocate one */
-	pcl = kmem_cache_alloc(pcluster_cachep, GFP_NOFS);
-	if (!pcl)
-		return -ENOMEM;
+	if (!(map->m_flags & EROFS_MAP_ENCODED)) {
+		DBG_BUGON(1);
+		return -EFSCORRUPTED;
+	}
+
+	/* no available pcluster, let's allocate one */
+	pcl = z_erofs_alloc_pcluster(map->m_plen >> PAGE_SHIFT);
+	if (IS_ERR(pcl))
+		return PTR_ERR(pcl);
 
 	atomic_set(&pcl->obj.refcount, 1);
 	pcl->obj.index = map->m_pa >> PAGE_SHIFT;
-
+	pcl->algorithmformat = map->m_algorithmformat;
 	pcl->length = (map->m_llen << Z_EROFS_PCLUSTER_LENGTH_BIT) |
 		(map->m_flags & EROFS_MAP_FULL_MAPPED ?
 			Z_EROFS_PCLUSTER_FULL_LENGTH : 0);
 
-	if (map->m_flags & EROFS_MAP_ZIPPED)
-		pcl->algorithmformat = Z_EROFS_COMPRESSION_LZ4;
-	else
-		pcl->algorithmformat = Z_EROFS_COMPRESSION_SHIFTED;
-
-	pcl->clusterbits = EROFS_I(inode)->z_physical_clusterbits[0];
-	pcl->clusterbits -= PAGE_SHIFT;
-
 	/* new pclusters should be claimed as type 1, primary and followed */
 	pcl->next = clt->owned_head;
 	clt->mode = COLLECT_PRIMARY_FOLLOWED;
 
 	cl = z_erofs_primarycollection(pcl);
-
-	/* must be cleaned before freeing to slab */
-	DBG_BUGON(cl->nr_pages);
-	DBG_BUGON(cl->vcnt);
-
 	cl->pageofs = map->m_la & ~PAGE_MASK;
 
 	/*
 	 * lock all primary followed works before visible to others
 	 * and mutex_trylock *never* fails for a new pcluster.
 	 */
+	mutex_init(&cl->lock);
 	DBG_BUGON(!mutex_trylock(&cl->lock));
 
 	grp = erofs_insert_workgroup(inode->i_sb, &pcl->obj);
@@ -443,7 +640,7 @@
 
 err_out:
 	mutex_unlock(&cl->lock);
-	kmem_cache_free(pcluster_cachep, pcl);
+	z_erofs_free_pcluster(pcl);
 	return err;
 }
 
@@ -487,9 +684,8 @@
 	z_erofs_pagevec_ctor_init(&clt->vector, Z_EROFS_NR_INLINE_PAGEVECS,
 				  clt->cl->pagevec, clt->cl->vcnt);
 
-	clt->compressedpages = clt->pcl->compressed_pages;
-	if (clt->mode <= COLLECT_PRIMARY) /* cannot do in-place I/O */
-		clt->compressedpages += Z_EROFS_CLUSTER_MAX_PAGES;
+	/* since file-backed online pages are traversed in reverse order */
+	clt->icpage_ptr = clt->pcl->compressed_pages + clt->pcl->pclusterpages;
 	return 0;
 }
 
@@ -502,9 +698,8 @@
 	struct z_erofs_collection *const cl =
 		container_of(head, struct z_erofs_collection, rcu);
 
-	kmem_cache_free(pcluster_cachep,
-			container_of(cl, struct z_erofs_pcluster,
-				     primary_collection));
+	z_erofs_free_pcluster(container_of(cl, struct z_erofs_pcluster,
+					   primary_collection));
 }
 
 void erofs_workgroup_free_rcu(struct erofs_workgroup *grp)
@@ -560,7 +755,7 @@
 }
 
 static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
-				struct page *page)
+				struct page *page, struct page **pagepool)
 {
 	struct inode *const inode = fe->inode;
 	struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
@@ -612,12 +807,13 @@
 		goto err_out;
 
 	/* preload all compressed pages (maybe downgrade role if necessary) */
-	if (should_alloc_managed_pages(fe, sbi->ctx.cache_strategy, map->m_la))
-		cache_strategy = DELAYEDALLOC;
+	if (should_alloc_managed_pages(fe, sbi->opt.cache_strategy, map->m_la))
+		cache_strategy = TRYALLOC;
 	else
 		cache_strategy = DONTALLOC;
 
-	preload_compressed_pages(clt, MNGD_MAPPING(sbi), cache_strategy);
+	preload_compressed_pages(clt, MNGD_MAPPING(sbi),
+				 cache_strategy, pagepool);
 
 hitted:
 	/*
@@ -649,12 +845,12 @@
 retry:
 	err = z_erofs_attach_page(clt, page, page_type,
 				  clt->mode >= COLLECT_PRIMARY_FOLLOWED);
-	/* should allocate an additional staging page for pagevec */
+	/* should allocate an additional short-lived page for pagevec */
 	if (err == -EAGAIN) {
 		struct page *const newpage =
 				alloc_page(GFP_NOFS | __GFP_NOFAIL);
 
-		newpage->mapping = Z_EROFS_MAPPING_STAGING;
+		set_page_private(newpage, Z_EROFS_SHORTLIVED_PAGE);
 		err = z_erofs_attach_page(clt, newpage,
 					  Z_EROFS_PAGE_TYPE_EXCLUSIVE, true);
 		if (!err)
@@ -693,22 +889,55 @@
 	goto out;
 }
 
+static void z_erofs_decompressqueue_work(struct work_struct *work);
+#ifdef CONFIG_EROFS_FS_PCPU_KTHREAD
+static void z_erofs_decompressqueue_kthread_work(struct kthread_work *work)
+{
+	z_erofs_decompressqueue_work((struct work_struct *)work);
+}
+#endif
 static void z_erofs_decompress_kickoff(struct z_erofs_decompressqueue *io,
 				       bool sync, int bios)
 {
+	struct erofs_sb_info *const sbi = EROFS_SB(io->sb);
+
 	/* wake up the caller thread for sync decompression */
 	if (sync) {
-		unsigned long flags;
-
-		spin_lock_irqsave(&io->u.wait.lock, flags);
 		if (!atomic_add_return(bios, &io->pending_bios))
-			wake_up_locked(&io->u.wait);
-		spin_unlock_irqrestore(&io->u.wait.lock, flags);
+			complete(&io->u.done);
+
 		return;
 	}
 
-	if (!atomic_add_return(bios, &io->pending_bios))
+	if (atomic_add_return(bios, &io->pending_bios))
+		return;
+	/* Use workqueue and sync decompression for atomic contexts only */
+	if (in_atomic() || irqs_disabled()) {
+#ifdef CONFIG_EROFS_FS_PCPU_KTHREAD
+		struct kthread_worker *worker;
+
+		rcu_read_lock();
+		worker = rcu_dereference(
+				z_erofs_pcpu_workers[raw_smp_processor_id()]);
+		if (!worker) {
+			INIT_WORK(&io->u.work, z_erofs_decompressqueue_work);
+			queue_work(z_erofs_workqueue, &io->u.work);
+		} else {
+			kthread_queue_work(worker, &io->u.kthread_work);
+		}
+		rcu_read_unlock();
+#else
 		queue_work(z_erofs_workqueue, &io->u.work);
+#endif
+		sbi->opt.readahead_sync_decompress = true;
+		return;
+	}
+	z_erofs_decompressqueue_work(&io->u.work);
+}
+
+static bool z_erofs_page_is_invalidated(struct page *page)
+{
+	return !page->mapping && !z_erofs_is_shortlived_page(page);
 }
 
 static void z_erofs_decompressqueue_endio(struct bio *bio)
@@ -723,7 +952,7 @@
 		struct page *page = bvec->bv_page;
 
 		DBG_BUGON(PageUptodate(page));
-		DBG_BUGON(!page->mapping);
+		DBG_BUGON(z_erofs_page_is_invalidated(page));
 
 		if (err)
 			SetPageError(page);
@@ -740,12 +969,11 @@
 
 static int z_erofs_decompress_pcluster(struct super_block *sb,
 				       struct z_erofs_pcluster *pcl,
-				       struct list_head *pagepool)
+				       struct page **pagepool)
 {
 	struct erofs_sb_info *const sbi = EROFS_SB(sb);
-	const unsigned int clusterpages = BIT(pcl->clusterbits);
 	struct z_erofs_pagevec_ctor ctor;
-	unsigned int i, outputsize, llen, nr_pages;
+	unsigned int i, inputsize, outputsize, llen, nr_pages;
 	struct page *pages_onstack[Z_EROFS_VMAP_ONSTACK_PAGES];
 	struct page **pages, **compressed_pages, *page;
 
@@ -796,9 +1024,9 @@
 
 		/* all pages in pagevec ought to be valid */
 		DBG_BUGON(!page);
-		DBG_BUGON(!page->mapping);
+		DBG_BUGON(z_erofs_page_is_invalidated(page));
 
-		if (z_erofs_put_stagingpage(pagepool, page))
+		if (z_erofs_put_shortlivedpage(pagepool, page))
 			continue;
 
 		if (page_type == Z_EROFS_VLE_PAGE_TYPE_HEAD)
@@ -825,16 +1053,16 @@
 	overlapped = false;
 	compressed_pages = pcl->compressed_pages;
 
-	for (i = 0; i < clusterpages; ++i) {
+	for (i = 0; i < pcl->pclusterpages; ++i) {
 		unsigned int pagenr;
 
 		page = compressed_pages[i];
 
 		/* all compressed pages ought to be valid */
 		DBG_BUGON(!page);
-		DBG_BUGON(!page->mapping);
+		DBG_BUGON(z_erofs_page_is_invalidated(page));
 
-		if (!z_erofs_page_is_staging(page)) {
+		if (!z_erofs_is_shortlived_page(page)) {
 			if (erofs_page_is_managed(sbi, page)) {
 				if (!PageUptodate(page))
 					err = -EIO;
@@ -859,7 +1087,7 @@
 			overlapped = true;
 		}
 
-		/* PG_error needs checking for inplaced and staging pages */
+		/* PG_error needs checking for all non-managed pages */
 		if (PageError(page)) {
 			DBG_BUGON(PageUptodate(page));
 			err = -EIO;
@@ -878,12 +1106,13 @@
 		partial = true;
 	}
 
+	inputsize = pcl->pclusterpages * PAGE_SIZE;
 	err = z_erofs_decompress(&(struct z_erofs_decompress_req) {
 					.sb = sb,
 					.in = compressed_pages,
 					.out = pages,
 					.pageofs_out = cl->pageofs,
-					.inputsize = PAGE_SIZE,
+					.inputsize = inputsize,
 					.outputsize = outputsize,
 					.alg = pcl->algorithmformat,
 					.inplace_io = overlapped,
@@ -891,15 +1120,15 @@
 				 }, pagepool);
 
 out:
-	/* must handle all compressed pages before endding pages */
-	for (i = 0; i < clusterpages; ++i) {
+	/* must handle all compressed pages before ending pages */
+	for (i = 0; i < pcl->pclusterpages; ++i) {
 		page = compressed_pages[i];
 
 		if (erofs_page_is_managed(sbi, page))
 			continue;
 
-		/* recycle all individual staging pages */
-		(void)z_erofs_put_stagingpage(pagepool, page);
+		/* recycle all individual short-lived pages */
+		(void)z_erofs_put_shortlivedpage(pagepool, page);
 
 		WRITE_ONCE(compressed_pages[i], NULL);
 	}
@@ -909,10 +1138,10 @@
 		if (!page)
 			continue;
 
-		DBG_BUGON(!page->mapping);
+		DBG_BUGON(z_erofs_page_is_invalidated(page));
 
-		/* recycle all individual staging pages */
-		if (z_erofs_put_stagingpage(pagepool, page))
+		/* recycle all individual short-lived pages */
+		if (z_erofs_put_shortlivedpage(pagepool, page))
 			continue;
 
 		if (err < 0)
@@ -940,7 +1169,7 @@
 }
 
 static void z_erofs_decompress_queue(const struct z_erofs_decompressqueue *io,
-				     struct list_head *pagepool)
+				     struct page **pagepool)
 {
 	z_erofs_next_pcluster_t owned = io->head;
 
@@ -964,18 +1193,17 @@
 {
 	struct z_erofs_decompressqueue *bgq =
 		container_of(work, struct z_erofs_decompressqueue, u.work);
-	LIST_HEAD(pagepool);
+	struct page *pagepool = NULL;
 
 	DBG_BUGON(bgq->head == Z_EROFS_PCLUSTER_TAIL_CLOSED);
 	z_erofs_decompress_queue(bgq, &pagepool);
-
-	put_pages_list(&pagepool);
+	erofs_release_pages(&pagepool);
 	kvfree(bgq);
 }
 
 static struct page *pickup_page_for_submission(struct z_erofs_pcluster *pcl,
 					       unsigned int nr,
-					       struct list_head *pagepool,
+					       struct page **pagepool,
 					       struct address_space *mc,
 					       gfp_t gfp)
 {
@@ -995,30 +1223,35 @@
 	if (!page)
 		goto out_allocpage;
 
-	/*
-	 * the cached page has not been allocated and
-	 * an placeholder is out there, prepare it now.
-	 */
-	if (page == PAGE_UNALLOCATED) {
-		tocache = true;
-		goto out_allocpage;
-	}
-
 	/* process the target tagged pointer */
 	t = tagptr_init(compressed_page_t, page);
 	justfound = tagptr_unfold_tags(t);
 	page = tagptr_unfold_ptr(t);
 
+	/*
+	 * preallocated cached pages, which is used to avoid direct reclaim
+	 * otherwise, it will go inplace I/O path instead.
+	 */
+	if (page->private == Z_EROFS_PREALLOCATED_PAGE) {
+		WRITE_ONCE(pcl->compressed_pages[nr], page);
+		set_page_private(page, 0);
+		tocache = true;
+		goto out_tocache;
+	}
 	mapping = READ_ONCE(page->mapping);
 
 	/*
-	 * unmanaged (file) pages are all locked solidly,
+	 * file-backed online pages in plcuster are all locked steady,
 	 * therefore it is impossible for `mapping' to be NULL.
 	 */
 	if (mapping && mapping != mc)
 		/* ought to be unmanaged pages */
 		goto out;
 
+	/* directly return for shortlived page as well */
+	if (z_erofs_is_shortlived_page(page))
+		goto out;
+
 	lock_page(page);
 
 	/* only true if page reclaim goes wrong, should never happen */
@@ -1062,28 +1295,21 @@
 	put_page(page);
 out_allocpage:
 	page = erofs_allocpage(pagepool, gfp | __GFP_NOFAIL);
-	if (!tocache || add_to_page_cache_lru(page, mc, index + nr, gfp)) {
-		/* non-LRU / non-movable temporary page is needed */
-		page->mapping = Z_EROFS_MAPPING_STAGING;
-		tocache = false;
-	}
-
 	if (oldpage != cmpxchg(&pcl->compressed_pages[nr], oldpage, page)) {
-		if (tocache) {
-			/* since it added to managed cache successfully */
-			unlock_page(page);
-			put_page(page);
-		} else {
-			list_add(&page->lru, pagepool);
-		}
+		erofs_pagepool_add(pagepool, page);
 		cond_resched();
 		goto repeat;
 	}
-
-	if (tocache) {
-		set_page_private(page, (unsigned long)pcl);
-		SetPagePrivate(page);
+out_tocache:
+	if (!tocache || add_to_page_cache_lru(page, mc, index + nr, gfp)) {
+		/* turn into temporary page if fails (1 ref) */
+		set_page_private(page, Z_EROFS_SHORTLIVED_PAGE);
+		goto out;
 	}
+	attach_page_private(page, pcl);
+	/* drop a refcount added by allocpage (then we have 2 refs here) */
+	put_page(page);
+
 out:	/* the only exit (for tracing and debugging) */
 	return page;
 }
@@ -1100,11 +1326,16 @@
 			*fg = true;
 			goto fg_out;
 		}
+#ifdef CONFIG_EROFS_FS_PCPU_KTHREAD
+		kthread_init_work(&q->u.kthread_work,
+				  z_erofs_decompressqueue_kthread_work);
+#else
 		INIT_WORK(&q->u.work, z_erofs_decompressqueue_work);
+#endif
 	} else {
 fg_out:
 		q = fgq;
-		init_waitqueue_head(&fgq->u.wait);
+		init_completion(&fgq->u.done);
 		atomic_set(&fgq->pending_bios, 0);
 	}
 	q->sb = sb;
@@ -1154,7 +1385,7 @@
 
 static void z_erofs_submit_queue(struct super_block *sb,
 				 struct z_erofs_decompress_frontend *f,
-				 struct list_head *pagepool,
+				 struct page **pagepool,
 				 struct z_erofs_decompressqueue *fgq,
 				 bool *force_fg)
 {
@@ -1163,8 +1394,9 @@
 	struct z_erofs_decompressqueue *q[NR_JOBQUEUES];
 	void *bi_private;
 	z_erofs_next_pcluster_t owned_head = f->clt.owned_head;
-	/* since bio will be NULL, no need to initialize last_index */
+	/* bio is NULL initially, so no need to initialize last_{index,bdev} */
 	pgoff_t last_index;
+	struct block_device *last_bdev;
 	unsigned int nr_bios = 0;
 	struct bio *bio = NULL;
 
@@ -1176,6 +1408,7 @@
 	q[JQ_SUBMIT]->head = owned_head;
 
 	do {
+		struct erofs_map_dev mdev;
 		struct z_erofs_pcluster *pcl;
 		pgoff_t cur, end;
 		unsigned int i = 0;
@@ -1187,8 +1420,14 @@
 
 		pcl = container_of(owned_head, struct z_erofs_pcluster, next);
 
-		cur = pcl->obj.index;
-		end = cur + BIT(pcl->clusterbits);
+		/* no device id here, thus it will always succeed */
+		mdev = (struct erofs_map_dev) {
+			.m_pa = blknr_to_addr(pcl->obj.index),
+		};
+		(void)erofs_map_dev(sb, &mdev);
+
+		cur = erofs_blknr(mdev.m_pa);
+		end = cur + pcl->pclusterpages;
 
 		/* close the main owned chain at first */
 		owned_head = cmpxchg(&pcl->next, Z_EROFS_PCLUSTER_TAIL,
@@ -1203,7 +1442,8 @@
 			if (!page)
 				continue;
 
-			if (bio && cur != last_index + 1) {
+			if (bio && (cur != last_index + 1 ||
+				    last_bdev != mdev.m_bdev)) {
 submit_bio_retry:
 				submit_bio(bio);
 				bio = NULL;
@@ -1213,7 +1453,9 @@
 				bio = bio_alloc(GFP_NOIO, BIO_MAX_PAGES);
 
 				bio->bi_end_io = z_erofs_decompressqueue_endio;
-				bio_set_dev(bio, sb->s_bdev);
+
+				bio_set_dev(bio, mdev.m_bdev);
+				last_bdev = mdev.m_bdev;
 				bio->bi_iter.bi_sector = (sector_t)cur <<
 					LOG_SECTORS_PER_BLOCK;
 				bio->bi_private = bi_private;
@@ -1241,7 +1483,7 @@
 
 	/*
 	 * although background is preferred, no one is pending for submission.
-	 * don't issue workqueue for decompression but drop it directly instead.
+	 * don't issue decompression but drop it directly instead.
 	 */
 	if (!*force_fg && !nr_bios) {
 		kvfree(q[JQ_SUBMIT]);
@@ -1252,7 +1494,7 @@
 
 static void z_erofs_runqueue(struct super_block *sb,
 			     struct z_erofs_decompress_frontend *f,
-			     struct list_head *pagepool, bool force_fg)
+			     struct page **pagepool, bool force_fg)
 {
 	struct z_erofs_decompressqueue io[NR_JOBQUEUES];
 
@@ -1267,8 +1509,7 @@
 		return;
 
 	/* wait until all bios are completed */
-	io_wait_event(io[JQ_SUBMIT].u.wait,
-		      !atomic_read(&io[JQ_SUBMIT].pending_bios));
+	wait_for_completion_io(&io[JQ_SUBMIT].u.done);
 
 	/* handle synchronous decompress queue in the caller context */
 	z_erofs_decompress_queue(&io[JQ_SUBMIT], pagepool);
@@ -1278,14 +1519,14 @@
 {
 	struct inode *const inode = page->mapping->host;
 	struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
+	struct page *pagepool = NULL;
 	int err;
-	LIST_HEAD(pagepool);
 
 	trace_erofs_readpage(page, false);
 
 	f.headoffset = (erofs_off_t)page->index << PAGE_SHIFT;
 
-	err = z_erofs_do_read_page(&f, page);
+	err = z_erofs_do_read_page(&f, page, &pagepool);
 	(void)z_erofs_collector_end(&f.clt);
 
 	/* if some compressed cluster ready, need submit them anyway */
@@ -1297,8 +1538,7 @@
 	if (f.map.mpage)
 		put_page(f.map.mpage);
 
-	/* clean up the remaining free pages */
-	put_pages_list(&pagepool);
+	erofs_release_pages(&pagepool);
 	return err;
 }
 
@@ -1308,10 +1548,10 @@
 	struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
 
 	unsigned int nr_pages = readahead_count(rac);
-	bool sync = (nr_pages <= sbi->ctx.max_sync_decompress_pages);
+	bool sync = (sbi->opt.readahead_sync_decompress &&
+			nr_pages <= sbi->opt.max_sync_decompress_pages);
 	struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
-	struct page *page, *head = NULL;
-	LIST_HEAD(pagepool);
+	struct page *pagepool = NULL, *head = NULL, *page;
 
 	trace_erofs_readpages(inode, readahead_index(rac), nr_pages, false);
 
@@ -1339,7 +1579,7 @@
 		/* traversal in reverse order */
 		head = (void *)page_private(page);
 
-		err = z_erofs_do_read_page(&f, page);
+		err = z_erofs_do_read_page(&f, page, &pagepool);
 		if (err)
 			erofs_err(inode->i_sb,
 				  "readahead error at page %lu @ nid %llu",
@@ -1353,13 +1593,10 @@
 
 	if (f.map.mpage)
 		put_page(f.map.mpage);
-
-	/* clean up the remaining free pages */
-	put_pages_list(&pagepool);
+	erofs_release_pages(&pagepool);
 }
 
 const struct address_space_operations z_erofs_aops = {
 	.readpage = z_erofs_readpage,
 	.readahead = z_erofs_readahead,
 };
-
diff --git a/fs/erofs/zdata.h b/fs/erofs/zdata.h
index 68c9b29..02e26e1 100644
--- a/fs/erofs/zdata.h
+++ b/fs/erofs/zdata.h
@@ -2,14 +2,15 @@
 /*
  * Copyright (C) 2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #ifndef __EROFS_FS_ZDATA_H
 #define __EROFS_FS_ZDATA_H
 
+#include <linux/kthread.h>
 #include "internal.h"
 #include "zpvec.h"
 
+#define Z_EROFS_PCLUSTER_MAX_PAGES	(Z_EROFS_PCLUSTER_MAX_SIZE / PAGE_SIZE)
 #define Z_EROFS_NR_INLINE_PAGEVECS      3
 
 /*
@@ -59,16 +60,17 @@
 	/* A: point to next chained pcluster or TAILs */
 	z_erofs_next_pcluster_t next;
 
-	/* A: compressed pages (including multi-usage pages) */
-	struct page *compressed_pages[Z_EROFS_CLUSTER_MAX_PAGES];
-
 	/* A: lower limit of decompressed length and if full length or not */
 	unsigned int length;
 
+	/* I: physical cluster size in pages */
+	unsigned short pclusterpages;
+
 	/* I: compression algorithm format */
 	unsigned char algorithmformat;
-	/* I: bit shift of physical cluster size */
-	unsigned char clusterbits;
+
+	/* A: compressed pages (can be cached or inplaced pages) */
+	struct page *compressed_pages[];
 };
 
 #define z_erofs_primarycollection(pcluster) (&(pcluster)->primary_collection)
@@ -82,26 +84,18 @@
 
 #define Z_EROFS_PCLUSTER_NIL            (NULL)
 
-#define Z_EROFS_WORKGROUP_SIZE  sizeof(struct z_erofs_pcluster)
-
 struct z_erofs_decompressqueue {
 	struct super_block *sb;
 	atomic_t pending_bios;
 	z_erofs_next_pcluster_t head;
 
 	union {
-		wait_queue_head_t wait;
+		struct completion done;
 		struct work_struct work;
+		struct kthread_work kthread_work;
 	} u;
 };
 
-#define MNGD_MAPPING(sbi)	((sbi)->managed_cache->i_mapping)
-static inline bool erofs_page_is_managed(const struct erofs_sb_info *sbi,
-					 struct page *page)
-{
-	return page->mapping == MNGD_MAPPING(sbi);
-}
-
 #define Z_EROFS_ONLINEPAGE_COUNT_BITS   2
 #define Z_EROFS_ONLINEPAGE_COUNT_MASK   ((1 << Z_EROFS_ONLINEPAGE_COUNT_BITS) - 1)
 #define Z_EROFS_ONLINEPAGE_INDEX_SHIFT  (Z_EROFS_ONLINEPAGE_COUNT_BITS)
@@ -173,6 +167,7 @@
 
 	v = atomic_dec_return(u.o);
 	if (!(v & Z_EROFS_ONLINEPAGE_COUNT_MASK)) {
+		set_page_private(page, 0);
 		ClearPagePrivate(page);
 		if (!PageError(page))
 			SetPageUptodate(page);
@@ -186,4 +181,3 @@
 #define Z_EROFS_VMAP_GLOBAL_PAGES	2048
 
 #endif
-
diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c
index a5537a9..a824869 100644
--- a/fs/erofs/zmap.c
+++ b/fs/erofs/zmap.c
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2018-2019 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #include "internal.h"
 #include <asm/unaligned.h>
@@ -11,17 +10,16 @@
 int z_erofs_fill_inode(struct inode *inode)
 {
 	struct erofs_inode *const vi = EROFS_I(inode);
+	struct erofs_sb_info *sbi = EROFS_SB(inode->i_sb);
 
-	if (vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY) {
+	if (!erofs_sb_has_big_pcluster(sbi) &&
+	    vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY) {
 		vi->z_advise = 0;
 		vi->z_algorithmtype[0] = 0;
 		vi->z_algorithmtype[1] = 0;
 		vi->z_logical_clusterbits = LOG_BLOCK_SIZE;
-		vi->z_physical_clusterbits[0] = vi->z_logical_clusterbits;
-		vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits;
 		set_bit(EROFS_I_Z_INITED_BIT, &vi->flags);
 	}
-
 	inode->i_mapping->a_ops = &z_erofs_aops;
 	return 0;
 }
@@ -30,7 +28,7 @@
 {
 	struct erofs_inode *const vi = EROFS_I(inode);
 	struct super_block *const sb = inode->i_sb;
-	int err;
+	int err, headnr;
 	erofs_off_t pos;
 	struct page *page;
 	void *kaddr;
@@ -52,7 +50,8 @@
 	if (test_bit(EROFS_I_Z_INITED_BIT, &vi->flags))
 		goto out_unlock;
 
-	DBG_BUGON(vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY);
+	DBG_BUGON(!erofs_sb_has_big_pcluster(EROFS_SB(sb)) &&
+		  vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY);
 
 	pos = ALIGN(iloc(EROFS_SB(sb), vi->nid) + vi->inode_isize +
 		    vi->xattr_isize, 8);
@@ -69,26 +68,32 @@
 	vi->z_algorithmtype[0] = h->h_algorithmtype & 15;
 	vi->z_algorithmtype[1] = h->h_algorithmtype >> 4;
 
-	if (vi->z_algorithmtype[0] >= Z_EROFS_COMPRESSION_MAX) {
-		erofs_err(sb, "unknown compression format %u for nid %llu, please upgrade kernel",
-			  vi->z_algorithmtype[0], vi->nid);
+	headnr = 0;
+	if (vi->z_algorithmtype[0] >= Z_EROFS_COMPRESSION_MAX ||
+	    vi->z_algorithmtype[++headnr] >= Z_EROFS_COMPRESSION_MAX) {
+		erofs_err(sb, "unknown HEAD%u format %u for nid %llu, please upgrade kernel",
+			  headnr + 1, vi->z_algorithmtype[headnr], vi->nid);
 		err = -EOPNOTSUPP;
 		goto unmap_done;
 	}
 
 	vi->z_logical_clusterbits = LOG_BLOCK_SIZE + (h->h_clusterbits & 7);
-	vi->z_physical_clusterbits[0] = vi->z_logical_clusterbits +
-					((h->h_clusterbits >> 3) & 3);
-
-	if (vi->z_physical_clusterbits[0] != LOG_BLOCK_SIZE) {
-		erofs_err(sb, "unsupported physical clusterbits %u for nid %llu, please upgrade kernel",
-			  vi->z_physical_clusterbits[0], vi->nid);
-		err = -EOPNOTSUPP;
+	if (!erofs_sb_has_big_pcluster(EROFS_SB(sb)) &&
+	    vi->z_advise & (Z_EROFS_ADVISE_BIG_PCLUSTER_1 |
+			    Z_EROFS_ADVISE_BIG_PCLUSTER_2)) {
+		erofs_err(sb, "per-inode big pcluster without sb feature for nid %llu",
+			  vi->nid);
+		err = -EFSCORRUPTED;
 		goto unmap_done;
 	}
-
-	vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits +
-					((h->h_clusterbits >> 5) & 7);
+	if (vi->datalayout == EROFS_INODE_FLAT_COMPRESSION &&
+	    !(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1) ^
+	    !(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_2)) {
+		erofs_err(sb, "big pcluster head1/2 of compact indexes should be consistent for nid %llu",
+			  vi->nid);
+		err = -EFSCORRUPTED;
+		goto unmap_done;
+	}
 	/* paired with smp_mb() at the beginning of the function */
 	smp_mb();
 	set_bit(EROFS_I_Z_INITED_BIT, &vi->flags);
@@ -108,10 +113,10 @@
 
 	unsigned long lcn;
 	/* compression extent information gathered */
-	u8  type;
+	u8  type, headtype;
 	u16 clusterofs;
 	u16 delta[2];
-	erofs_blk_t pblk;
+	erofs_blk_t pblk, compressedlcs;
 };
 
 static int z_erofs_reload_indexes(struct z_erofs_maprecorder *m,
@@ -174,10 +179,21 @@
 	case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
 		m->clusterofs = 1 << vi->z_logical_clusterbits;
 		m->delta[0] = le16_to_cpu(di->di_u.delta[0]);
+		if (m->delta[0] & Z_EROFS_VLE_DI_D0_CBLKCNT) {
+			if (!(vi->z_advise & (Z_EROFS_ADVISE_BIG_PCLUSTER_1 |
+					Z_EROFS_ADVISE_BIG_PCLUSTER_2))) {
+				DBG_BUGON(1);
+				return -EFSCORRUPTED;
+			}
+			m->compressedlcs = m->delta[0] &
+				~Z_EROFS_VLE_DI_D0_CBLKCNT;
+			m->delta[0] = 1;
+		}
 		m->delta[1] = le16_to_cpu(di->di_u.delta[1]);
 		break;
 	case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
-	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD1:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD2:
 		m->clusterofs = le16_to_cpu(di->di_clusterofs);
 		if (m->clusterofs >= 1 << vi->z_logical_clusterbits) {
 			DBG_BUGON(1);
@@ -204,9 +220,34 @@
 	return lo;
 }
 
+static int get_compacted_la_distance(unsigned int lclusterbits,
+				     unsigned int encodebits,
+				     unsigned int vcnt, u8 *in, int i)
+{
+	const unsigned int lomask = (1 << lclusterbits) - 1;
+	unsigned int lo, d1 = 0;
+	u8 type;
+
+	DBG_BUGON(i >= vcnt);
+
+	do {
+		lo = decode_compactedbits(lclusterbits, lomask,
+					  in, encodebits * i, &type);
+
+		if (type != Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD)
+			return d1;
+		++d1;
+	} while (++i < vcnt);
+
+	/* vcnt - 1 (Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD) item */
+	if (!(lo & Z_EROFS_VLE_DI_D0_CBLKCNT))
+		d1 += lo - 1;
+	return d1;
+}
+
 static int unpack_compacted_index(struct z_erofs_maprecorder *m,
 				  unsigned int amortizedshift,
-				  unsigned int eofs)
+				  unsigned int eofs, bool lookahead)
 {
 	struct erofs_inode *const vi = EROFS_I(m->inode);
 	const unsigned int lclusterbits = vi->z_logical_clusterbits;
@@ -214,6 +255,7 @@
 	unsigned int vcnt, base, lo, encodebits, nblk;
 	int i;
 	u8 *in, type;
+	bool big_pcluster;
 
 	if (1 << amortizedshift == 4 && lclusterbits <= 14)
 		vcnt = 2;
@@ -222,6 +264,7 @@
 	else
 		return -EOPNOTSUPP;
 
+	big_pcluster = vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1;
 	encodebits = ((vcnt << amortizedshift) - sizeof(__le32)) * 8 / vcnt;
 	base = round_down(eofs, vcnt << amortizedshift);
 	in = m->kaddr + base;
@@ -233,7 +276,20 @@
 	m->type = type;
 	if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD) {
 		m->clusterofs = 1 << lclusterbits;
-		if (i + 1 != vcnt) {
+
+		/* figure out lookahead_distance: delta[1] if needed */
+		if (lookahead)
+			m->delta[1] = get_compacted_la_distance(lclusterbits,
+						encodebits, vcnt, in, i);
+		if (lo & Z_EROFS_VLE_DI_D0_CBLKCNT) {
+			if (!big_pcluster) {
+				DBG_BUGON(1);
+				return -EFSCORRUPTED;
+			}
+			m->compressedlcs = lo & ~Z_EROFS_VLE_DI_D0_CBLKCNT;
+			m->delta[0] = 1;
+			return 0;
+		} else if (i + 1 != (int)vcnt) {
 			m->delta[0] = lo;
 			return 0;
 		}
@@ -246,22 +302,48 @@
 					  in, encodebits * (i - 1), &type);
 		if (type != Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD)
 			lo = 0;
+		else if (lo & Z_EROFS_VLE_DI_D0_CBLKCNT)
+			lo = 1;
 		m->delta[0] = lo + 1;
 		return 0;
 	}
 	m->clusterofs = lo;
 	m->delta[0] = 0;
 	/* figout out blkaddr (pblk) for HEAD lclusters */
-	nblk = 1;
-	while (i > 0) {
-		--i;
-		lo = decode_compactedbits(lclusterbits, lomask,
-					  in, encodebits * i, &type);
-		if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD)
-			i -= lo;
+	if (!big_pcluster) {
+		nblk = 1;
+		while (i > 0) {
+			--i;
+			lo = decode_compactedbits(lclusterbits, lomask,
+						  in, encodebits * i, &type);
+			if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD)
+				i -= lo;
 
-		if (i >= 0)
+			if (i >= 0)
+				++nblk;
+		}
+	} else {
+		nblk = 0;
+		while (i > 0) {
+			--i;
+			lo = decode_compactedbits(lclusterbits, lomask,
+						  in, encodebits * i, &type);
+			if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD) {
+				if (lo & Z_EROFS_VLE_DI_D0_CBLKCNT) {
+					--i;
+					nblk += lo & ~Z_EROFS_VLE_DI_D0_CBLKCNT;
+					continue;
+				}
+				/* bigpcluster shouldn't have plain d0 == 1 */
+				if (lo <= 1) {
+					DBG_BUGON(1);
+					return -EFSCORRUPTED;
+				}
+				i -= lo - 2;
+				continue;
+			}
 			++nblk;
+		}
 	}
 	in += (vcnt << amortizedshift) - sizeof(__le32);
 	m->pblk = le32_to_cpu(*(__le32 *)in) + nblk;
@@ -269,7 +351,7 @@
 }
 
 static int compacted_load_cluster_from_disk(struct z_erofs_maprecorder *m,
-					    unsigned long lcn)
+					    unsigned long lcn, bool lookahead)
 {
 	struct inode *const inode = m->inode;
 	struct erofs_inode *const vi = EROFS_I(inode);
@@ -316,11 +398,12 @@
 	err = z_erofs_reload_indexes(m, erofs_blknr(pos));
 	if (err)
 		return err;
-	return unpack_compacted_index(m, amortizedshift, erofs_blkoff(pos));
+	return unpack_compacted_index(m, amortizedshift, erofs_blkoff(pos),
+				      lookahead);
 }
 
 static int z_erofs_load_cluster_from_disk(struct z_erofs_maprecorder *m,
-					  unsigned int lcn)
+					  unsigned int lcn, bool lookahead)
 {
 	const unsigned int datamode = EROFS_I(m->inode)->datalayout;
 
@@ -328,7 +411,7 @@
 		return legacy_load_cluster_from_disk(m, lcn);
 
 	if (datamode == EROFS_INODE_FLAT_COMPRESSION)
-		return compacted_load_cluster_from_disk(m, lcn);
+		return compacted_load_cluster_from_disk(m, lcn, lookahead);
 
 	return -EINVAL;
 }
@@ -351,7 +434,7 @@
 
 	/* load extent head logical cluster if needed */
 	lcn -= lookback_distance;
-	err = z_erofs_load_cluster_from_disk(m, lcn);
+	err = z_erofs_load_cluster_from_disk(m, lcn, false);
 	if (err)
 		return err;
 
@@ -366,9 +449,9 @@
 		}
 		return z_erofs_extent_lookback(m, m->delta[0]);
 	case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
-		map->m_flags &= ~EROFS_MAP_ZIPPED;
-		fallthrough;
-	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD1:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD2:
+		m->headtype = m->type;
 		map->m_la = (lcn << lclusterbits) | m->clusterofs;
 		break;
 	default:
@@ -381,6 +464,124 @@
 	return 0;
 }
 
+static int z_erofs_get_extent_compressedlen(struct z_erofs_maprecorder *m,
+					    unsigned int initial_lcn)
+{
+	struct erofs_inode *const vi = EROFS_I(m->inode);
+	struct erofs_map_blocks *const map = m->map;
+	const unsigned int lclusterbits = vi->z_logical_clusterbits;
+	unsigned long lcn;
+	int err;
+
+	DBG_BUGON(m->type != Z_EROFS_VLE_CLUSTER_TYPE_PLAIN &&
+		  m->type != Z_EROFS_VLE_CLUSTER_TYPE_HEAD1 &&
+		  m->type != Z_EROFS_VLE_CLUSTER_TYPE_HEAD2);
+	DBG_BUGON(m->type != m->headtype);
+
+	if (m->headtype == Z_EROFS_VLE_CLUSTER_TYPE_PLAIN ||
+	    ((m->headtype == Z_EROFS_VLE_CLUSTER_TYPE_HEAD1) &&
+	     !(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1)) ||
+	    ((m->headtype == Z_EROFS_VLE_CLUSTER_TYPE_HEAD2) &&
+	     !(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_2))) {
+		map->m_plen = 1 << lclusterbits;
+		return 0;
+	}
+	lcn = m->lcn + 1;
+	if (m->compressedlcs)
+		goto out;
+
+	err = z_erofs_load_cluster_from_disk(m, lcn, false);
+	if (err)
+		return err;
+
+	/*
+	 * If the 1st NONHEAD lcluster has already been handled initially w/o
+	 * valid compressedlcs, which means at least it mustn't be CBLKCNT, or
+	 * an internal implemenatation error is detected.
+	 *
+	 * The following code can also handle it properly anyway, but let's
+	 * BUG_ON in the debugging mode only for developers to notice that.
+	 */
+	DBG_BUGON(lcn == initial_lcn &&
+		  m->type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD);
+
+	switch (m->type) {
+	case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD1:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD2:
+		/*
+		 * if the 1st NONHEAD lcluster is actually PLAIN or HEAD type
+		 * rather than CBLKCNT, it's a 1 lcluster-sized pcluster.
+		 */
+		m->compressedlcs = 1;
+		break;
+	case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
+		if (m->delta[0] != 1)
+			goto err_bonus_cblkcnt;
+		if (m->compressedlcs)
+			break;
+		fallthrough;
+	default:
+		erofs_err(m->inode->i_sb,
+			  "cannot found CBLKCNT @ lcn %lu of nid %llu",
+			  lcn, vi->nid);
+		DBG_BUGON(1);
+		return -EFSCORRUPTED;
+	}
+out:
+	map->m_plen = m->compressedlcs << lclusterbits;
+	return 0;
+err_bonus_cblkcnt:
+	erofs_err(m->inode->i_sb,
+		  "bogus CBLKCNT @ lcn %lu of nid %llu",
+		  lcn, vi->nid);
+	DBG_BUGON(1);
+	return -EFSCORRUPTED;
+}
+
+static int z_erofs_get_extent_decompressedlen(struct z_erofs_maprecorder *m)
+{
+	struct inode *inode = m->inode;
+	struct erofs_inode *vi = EROFS_I(inode);
+	struct erofs_map_blocks *map = m->map;
+	unsigned int lclusterbits = vi->z_logical_clusterbits;
+	u64 lcn = m->lcn, headlcn = map->m_la >> lclusterbits;
+	int err;
+
+	do {
+		/* handle the last EOF pcluster (no next HEAD lcluster) */
+		if ((lcn << lclusterbits) >= inode->i_size) {
+			map->m_llen = inode->i_size - map->m_la;
+			return 0;
+		}
+
+		err = z_erofs_load_cluster_from_disk(m, lcn, true);
+		if (err)
+			return err;
+
+		if (m->type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD) {
+			DBG_BUGON(!m->delta[1] &&
+				  m->clusterofs != 1 << lclusterbits);
+		} else if (m->type == Z_EROFS_VLE_CLUSTER_TYPE_PLAIN ||
+			   m->type == Z_EROFS_VLE_CLUSTER_TYPE_HEAD1 ||
+			   m->type == Z_EROFS_VLE_CLUSTER_TYPE_HEAD2) {
+			/* go on until the next HEAD lcluster */
+			if (lcn != headlcn)
+				break;
+			m->delta[1] = 1;
+		} else {
+			erofs_err(inode->i_sb, "unknown type %u @ lcn %llu of nid %llu",
+				  m->type, lcn, vi->nid);
+			DBG_BUGON(1);
+			return -EOPNOTSUPP;
+		}
+		lcn += m->delta[1];
+	} while (m->delta[1]);
+
+	map->m_llen = (lcn << lclusterbits) + m->clusterofs - map->m_la;
+	return 0;
+}
+
 int z_erofs_map_blocks_iter(struct inode *inode,
 			    struct erofs_map_blocks *map,
 			    int flags)
@@ -392,6 +593,7 @@
 	};
 	int err = 0;
 	unsigned int lclusterbits, endoff;
+	unsigned long initial_lcn;
 	unsigned long long ofs, end;
 
 	trace_z_erofs_map_blocks_iter_enter(inode, map, flags);
@@ -410,23 +612,22 @@
 
 	lclusterbits = vi->z_logical_clusterbits;
 	ofs = map->m_la;
-	m.lcn = ofs >> lclusterbits;
+	initial_lcn = ofs >> lclusterbits;
 	endoff = ofs & ((1 << lclusterbits) - 1);
 
-	err = z_erofs_load_cluster_from_disk(&m, m.lcn);
+	err = z_erofs_load_cluster_from_disk(&m, initial_lcn, false);
 	if (err)
 		goto unmap_out;
 
-	map->m_flags = EROFS_MAP_ZIPPED;	/* by default, compressed */
+	map->m_flags = EROFS_MAP_MAPPED | EROFS_MAP_ENCODED;
 	end = (m.lcn + 1ULL) << lclusterbits;
 
 	switch (m.type) {
 	case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
-		if (endoff >= m.clusterofs)
-			map->m_flags &= ~EROFS_MAP_ZIPPED;
-		fallthrough;
-	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD1:
+	case Z_EROFS_VLE_CLUSTER_TYPE_HEAD2:
 		if (endoff >= m.clusterofs) {
+			m.headtype = m.type;
 			map->m_la = (m.lcn << lclusterbits) | m.clusterofs;
 			break;
 		}
@@ -443,7 +644,7 @@
 		m.delta[0] = 1;
 		fallthrough;
 	case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
-		/* get the correspoinding first chunk */
+		/* get the corresponding first chunk */
 		err = z_erofs_extent_lookback(&m, m.delta[0]);
 		if (err)
 			goto unmap_out;
@@ -457,10 +658,27 @@
 	}
 
 	map->m_llen = end - map->m_la;
-	map->m_plen = 1 << lclusterbits;
 	map->m_pa = blknr_to_addr(m.pblk);
-	map->m_flags |= EROFS_MAP_MAPPED;
 
+	err = z_erofs_get_extent_compressedlen(&m, initial_lcn);
+	if (err)
+		goto out;
+
+	if (m.headtype == Z_EROFS_VLE_CLUSTER_TYPE_PLAIN)
+		map->m_algorithmformat = Z_EROFS_COMPRESSION_SHIFTED;
+	else if (m.headtype == Z_EROFS_VLE_CLUSTER_TYPE_HEAD2)
+		map->m_algorithmformat = vi->z_algorithmtype[1];
+	else
+		map->m_algorithmformat = vi->z_algorithmtype[0];
+
+	if ((flags & EROFS_GET_BLOCKS_FIEMAP) ||
+	    ((flags & EROFS_GET_BLOCKS_READMORE) &&
+	     map->m_algorithmformat == Z_EROFS_COMPRESSION_LZMA &&
+	     map->m_llen >= EROFS_BLKSIZ)) {
+		err = z_erofs_get_extent_decompressedlen(&m);
+		if (!err)
+			map->m_flags |= EROFS_MAP_FULL_MAPPED;
+	}
 unmap_out:
 	if (m.kaddr)
 		kunmap_atomic(m.kaddr);
@@ -477,3 +695,40 @@
 	return err;
 }
 
+static int z_erofs_iomap_begin_report(struct inode *inode, loff_t offset,
+				loff_t length, unsigned int flags,
+				struct iomap *iomap, struct iomap *srcmap)
+{
+	int ret;
+	struct erofs_map_blocks map = { .m_la = offset };
+
+	ret = z_erofs_map_blocks_iter(inode, &map, EROFS_GET_BLOCKS_FIEMAP);
+	if (map.mpage)
+		put_page(map.mpage);
+	if (ret < 0)
+		return ret;
+
+	iomap->bdev = inode->i_sb->s_bdev;
+	iomap->offset = map.m_la;
+	iomap->length = map.m_llen;
+	if (map.m_flags & EROFS_MAP_MAPPED) {
+		iomap->type = IOMAP_MAPPED;
+		iomap->addr = map.m_pa;
+	} else {
+		iomap->type = IOMAP_HOLE;
+		iomap->addr = IOMAP_NULL_ADDR;
+		/*
+		 * No strict rule how to describe extents for post EOF, yet
+		 * we need do like below. Otherwise, iomap itself will get
+		 * into an endless loop on post EOF.
+		 */
+		if (iomap->offset >= inode->i_size)
+			iomap->length = length + map.m_la - offset;
+	}
+	iomap->flags = 0;
+	return 0;
+}
+
+const struct iomap_ops z_erofs_iomap_report_ops = {
+	.iomap_begin = z_erofs_iomap_begin_report,
+};
diff --git a/fs/erofs/zpvec.h b/fs/erofs/zpvec.h
index 5289817..b05464f 100644
--- a/fs/erofs/zpvec.h
+++ b/fs/erofs/zpvec.h
@@ -2,7 +2,6 @@
 /*
  * Copyright (C) 2018 HUAWEI, Inc.
  *             https://www.huawei.com/
- * Created by Gao Xiang <gaoxiang25@huawei.com>
  */
 #ifndef __EROFS_FS_ZPVEC_H
 #define __EROFS_FS_ZPVEC_H
@@ -158,4 +157,3 @@
 	return tagptr_unfold_ptr(t);
 }
 #endif
-
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 5ce1ea1..893047a 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -29,6 +29,7 @@
 #include <linux/mutex.h>
 #include <linux/anon_inodes.h>
 #include <linux/device.h>
+#include <linux/freezer.h>
 #include <linux/uaccess.h>
 #include <asm/io.h>
 #include <asm/mman.h>
@@ -39,6 +40,8 @@
 #include <linux/rculist.h>
 #include <net/busy_poll.h>
 
+#include <trace/hooks/fs.h>
+
 /*
  * LOCKING:
  * There are three level of locking required by epoll :
@@ -1458,15 +1461,20 @@
 {
 	struct name_snapshot n;
 	struct wakeup_source *ws;
+	char ws_name[64];
 
+	strlcpy(ws_name, "eventpoll", sizeof(ws_name));
+	trace_android_vh_ep_create_wakeup_source(ws_name, sizeof(ws_name));
 	if (!epi->ep->ws) {
-		epi->ep->ws = wakeup_source_register(NULL, "eventpoll");
+		epi->ep->ws = wakeup_source_register(NULL, ws_name);
 		if (!epi->ep->ws)
 			return -ENOMEM;
 	}
 
 	take_dentry_name_snapshot(&n, epi->ffd.file->f_path.dentry);
-	ws = wakeup_source_register(NULL, n.name.name);
+	strlcpy(ws_name, n.name.name, sizeof(ws_name));
+	trace_android_vh_ep_create_wakeup_source(ws_name, sizeof(ws_name));
+	ws = wakeup_source_register(NULL, ws_name);
 	release_dentry_name_snapshot(&n);
 
 	if (!ws)
@@ -1937,8 +1945,8 @@
 		write_unlock_irq(&ep->lock);
 
 		if (!eavail && !res)
-			timed_out = !schedule_hrtimeout_range(to, slack,
-							      HRTIMER_MODE_ABS);
+			timed_out = !freezable_schedule_hrtimeout_range(to, slack,
+									HRTIMER_MODE_ABS);
 
 		/*
 		 * We were woken up, thus go and try to harvest some events.
diff --git a/fs/exec.c b/fs/exec.c
index 983295c..9ac456e 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -73,6 +73,9 @@
 #include "internal.h"
 
 #include <trace/events/sched.h>
+#include <trace/hooks/sched.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(task_rename);
 
 static int bprm_creds_from_file(struct linux_binprm *bprm);
 
@@ -1026,8 +1029,10 @@
 	if (IS_ENABLED(CONFIG_ARCH_WANT_IRQS_OFF_ACTIVATE_MM))
 		local_irq_enable();
 	tsk->mm->vmacache_seqnum = 0;
+	lru_gen_add_mm(mm);
 	vmacache_flush(tsk);
 	task_unlock(tsk);
+	lru_gen_use_mm(mm);
 	if (old_mm) {
 		mmap_read_unlock(old_mm);
 		BUG_ON(active_mm != old_mm);
@@ -1233,6 +1238,7 @@
 	strlcpy(tsk->comm, buf, sizeof(tsk->comm));
 	task_unlock(tsk);
 	perf_event_comm(tsk, exec);
+	trace_android_vh_set_task_comm(tsk);
 }
 
 /*
diff --git a/fs/exfat/balloc.c b/fs/exfat/balloc.c
index ab09144..b83b316 100644
--- a/fs/exfat/balloc.c
+++ b/fs/exfat/balloc.c
@@ -141,7 +141,7 @@
 	kvfree(sbi->vol_amap);
 }
 
-int exfat_set_bitmap(struct inode *inode, unsigned int clu)
+int exfat_set_bitmap(struct inode *inode, unsigned int clu, bool sync)
 {
 	int i, b;
 	unsigned int ent_idx;
@@ -156,7 +156,7 @@
 	b = BITMAP_OFFSET_BIT_IN_SECTOR(sb, ent_idx);
 
 	set_bit_le(b, sbi->vol_amap[i]->b_data);
-	exfat_update_bh(sbi->vol_amap[i], IS_DIRSYNC(inode));
+	exfat_update_bh(sbi->vol_amap[i], sync);
 	return 0;
 }
 
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index db735a0..b5f3bc0 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -315,7 +315,7 @@
 
 	exfat_chain_set(clu, EXFAT_EOF_CLUSTER, 0, ALLOC_NO_FAT_CHAIN);
 
-	ret = exfat_alloc_cluster(inode, 1, clu);
+	ret = exfat_alloc_cluster(inode, 1, clu, IS_DIRSYNC(inode));
 	if (ret)
 		return ret;
 
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 11e579a..1118cf7 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -399,7 +399,7 @@
 #define exfat_get_next_cluster(sb, pclu) exfat_ent_get(sb, *(pclu), pclu)
 
 int exfat_alloc_cluster(struct inode *inode, unsigned int num_alloc,
-		struct exfat_chain *p_chain);
+		struct exfat_chain *p_chain, bool sync_bmap);
 int exfat_free_cluster(struct inode *inode, struct exfat_chain *p_chain);
 int exfat_ent_get(struct super_block *sb, unsigned int loc,
 		unsigned int *content);
@@ -418,7 +418,7 @@
 /* balloc.c */
 int exfat_load_bitmap(struct super_block *sb);
 void exfat_free_bitmap(struct exfat_sb_info *sbi);
-int exfat_set_bitmap(struct inode *inode, unsigned int clu);
+int exfat_set_bitmap(struct inode *inode, unsigned int clu, bool sync);
 void exfat_clear_bitmap(struct inode *inode, unsigned int clu);
 unsigned int exfat_find_free_bitmap(struct super_block *sb, unsigned int clu);
 int exfat_count_used_clusters(struct super_block *sb, unsigned int *ret_count);
diff --git a/fs/exfat/fatent.c b/fs/exfat/fatent.c
index a1481e4..7bd425d 100644
--- a/fs/exfat/fatent.c
+++ b/fs/exfat/fatent.c
@@ -6,6 +6,7 @@
 #include <linux/slab.h>
 #include <asm/unaligned.h>
 #include <linux/buffer_head.h>
+#include <linux/blk_types.h>
 
 #include "exfat_raw.h"
 #include "exfat_fs.h"
@@ -225,10 +226,9 @@
 {
 	struct super_block *sb = dir->i_sb;
 	struct exfat_sb_info *sbi = EXFAT_SB(sb);
-	struct buffer_head *bhs[MAX_BUF_PER_PAGE];
-	int nr_bhs = MAX_BUF_PER_PAGE;
-	sector_t blknr, last_blknr;
-	int err, i, n;
+	struct buffer_head *bh;
+	struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
+	sector_t blknr, last_blknr, i;
 
 	blknr = exfat_cluster_to_sector(sbi, clu);
 	last_blknr = blknr + sbi->sect_per_clus;
@@ -242,34 +242,26 @@
 	}
 
 	/* Zeroing the unused blocks on this cluster */
-	while (blknr < last_blknr) {
-		for (n = 0; n < nr_bhs && blknr < last_blknr; n++, blknr++) {
-			bhs[n] = sb_getblk(sb, blknr);
-			if (!bhs[n]) {
-				err = -ENOMEM;
-				goto release_bhs;
-			}
-			memset(bhs[n]->b_data, 0, sb->s_blocksize);
-		}
+	for (i = blknr; i < last_blknr; i++) {
+		bh = sb_getblk(sb, i);
+		if (!bh)
+			return -ENOMEM;
 
-		err = exfat_update_bhs(bhs, n, IS_DIRSYNC(dir));
-		if (err)
-			goto release_bhs;
-
-		for (i = 0; i < n; i++)
-			brelse(bhs[i]);
+		memset(bh->b_data, 0, sb->s_blocksize);
+		set_buffer_uptodate(bh);
+		mark_buffer_dirty(bh);
+		brelse(bh);
 	}
-	return 0;
+	if (IS_DIRSYNC(dir))
+		return filemap_write_and_wait_range(mapping,
+				EXFAT_BLK_TO_B(blknr, sb),
+				EXFAT_BLK_TO_B(last_blknr, sb) - 1);
 
-release_bhs:
-	exfat_err(sb, "failed zeroed sect %llu\n", (unsigned long long)blknr);
-	for (i = 0; i < n; i++)
-		bforget(bhs[i]);
-	return err;
+	return 0;
 }
 
 int exfat_alloc_cluster(struct inode *inode, unsigned int num_alloc,
-		struct exfat_chain *p_chain)
+		struct exfat_chain *p_chain, bool sync_bmap)
 {
 	int ret = -ENOSPC;
 	unsigned int num_clusters = 0, total_cnt;
@@ -331,7 +323,7 @@
 		}
 
 		/* update allocation bitmap */
-		if (exfat_set_bitmap(inode, new_clu)) {
+		if (exfat_set_bitmap(inode, new_clu, sync_bmap)) {
 			ret = -EIO;
 			goto free_cluster;
 		}
diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c
index 4bd7382..ffc854f 100644
--- a/fs/exfat/inode.c
+++ b/fs/exfat/inode.c
@@ -178,7 +178,8 @@
 			return -EIO;
 		}
 
-		ret = exfat_alloc_cluster(inode, num_to_be_allocated, &new_clu);
+		ret = exfat_alloc_cluster(inode, num_to_be_allocated, &new_clu,
+				inode_needs_sync(inode));
 		if (ret)
 			return ret;
 
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index d62d961..3f5406f 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -346,7 +346,7 @@
 		}
 
 		/* allocate a cluster */
-		ret = exfat_alloc_cluster(inode, 1, &clu);
+		ret = exfat_alloc_cluster(inode, 1, &clu, IS_DIRSYNC(inode));
 		if (ret)
 			return ret;
 
diff --git a/fs/exfat/super.c b/fs/exfat/super.c
index 62d79af..b427386 100644
--- a/fs/exfat/super.c
+++ b/fs/exfat/super.c
@@ -835,5 +835,6 @@
 
 MODULE_ALIAS_FS("exfat");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_DESCRIPTION("exFAT filesystem support");
 MODULE_AUTHOR("Samsung Electronics Co., Ltd.");
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index a810b9c..758844b3 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1654,5 +1654,6 @@
 MODULE_AUTHOR("Remy Card and others");
 MODULE_DESCRIPTION("Second Extended Filesystem");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 module_init(init_ext2_fs)
 module_exit(exit_ext2_fs)
diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c
index 9a682e4..d5f6eb0 100644
--- a/fs/ext2/xattr_security.c
+++ b/fs/ext2/xattr_security.c
@@ -11,7 +11,7 @@
 static int
 ext2_xattr_security_get(const struct xattr_handler *handler,
 			struct dentry *unused, struct inode *inode,
-			const char *name, void *buffer, size_t size)
+			const char *name, void *buffer, size_t size, int flags)
 {
 	return ext2_xattr_get(inode, EXT2_XATTR_INDEX_SECURITY, name,
 			      buffer, size);
diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c
index 49add11..8d31366 100644
--- a/fs/ext2/xattr_trusted.c
+++ b/fs/ext2/xattr_trusted.c
@@ -18,7 +18,7 @@
 static int
 ext2_xattr_trusted_get(const struct xattr_handler *handler,
 		       struct dentry *unused, struct inode *inode,
-		       const char *name, void *buffer, size_t size)
+		       const char *name, void *buffer, size_t size, int flags)
 {
 	return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name,
 			      buffer, size);
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
index c243a3b..712b7c9 100644
--- a/fs/ext2/xattr_user.c
+++ b/fs/ext2/xattr_user.c
@@ -20,7 +20,7 @@
 static int
 ext2_xattr_user_get(const struct xattr_handler *handler,
 		    struct dentry *unused, struct inode *inode,
-		    const char *name, void *buffer, size_t size)
+		    const char *name, void *buffer, size_t size, int flags)
 {
 	if (!test_opt(inode->i_sb, XATTR_USER))
 		return -EOPNOTSUPP;
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 70a0f5e..c943d24 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -55,6 +55,18 @@
 	return 0;
 }
 
+static bool is_fake_dir_entry(struct ext4_dir_entry_2 *de)
+{
+	/* Check if . or .. , or skip if namelen is 0 */
+	if ((de->name_len > 0) && (de->name_len <= 2) && (de->name[0] == '.') &&
+	    (de->name[1] == '.' || de->name[1] == '\0'))
+		return true;
+	/* Check if this is a csum entry */
+	if (de->file_type == EXT4_FT_DIR_CSUM)
+		return true;
+	return false;
+}
+
 /*
  * Return 0 if the directory entry is OK, and 1 if there is a problem
  *
@@ -73,16 +85,20 @@
 	const int rlen = ext4_rec_len_from_disk(de->rec_len,
 						dir->i_sb->s_blocksize);
 	const int next_offset = ((char *) de - buf) + rlen;
+	bool fake = is_fake_dir_entry(de);
+	bool has_csum = ext4_has_metadata_csum(dir->i_sb);
 
-	if (unlikely(rlen < EXT4_DIR_REC_LEN(1)))
+	if (unlikely(rlen < ext4_dir_rec_len(1, fake ? NULL : dir)))
 		error_msg = "rec_len is smaller than minimal";
 	else if (unlikely(rlen % 4 != 0))
 		error_msg = "rec_len % 4 != 0";
-	else if (unlikely(rlen < EXT4_DIR_REC_LEN(de->name_len)))
+	else if (unlikely(rlen < ext4_dir_rec_len(de->name_len,
+							fake ? NULL : dir)))
 		error_msg = "rec_len is too small for name_len";
 	else if (unlikely(next_offset > size))
 		error_msg = "directory entry overrun";
-	else if (unlikely(next_offset > size - EXT4_DIR_REC_LEN(1) &&
+	else if (unlikely(next_offset > size - ext4_dir_rec_len(1,
+						  has_csum ? NULL : dir) &&
 			  next_offset != size))
 		error_msg = "directory entry too close to block end";
 	else if (unlikely(le32_to_cpu(de->inode) >
@@ -94,15 +110,15 @@
 	if (filp)
 		ext4_error_file(filp, function, line, bh->b_blocknr,
 				"bad entry in directory: %s - offset=%u, "
-				"inode=%u, rec_len=%d, name_len=%d, size=%d",
+				"inode=%u, rec_len=%d, size=%d fake=%d",
 				error_msg, offset, le32_to_cpu(de->inode),
-				rlen, de->name_len, size);
+				rlen, size, fake);
 	else
 		ext4_error_inode(dir, function, line, bh->b_blocknr,
 				"bad entry in directory: %s - offset=%u, "
-				"inode=%u, rec_len=%d, name_len=%d, size=%d",
+				"inode=%u, rec_len=%d, size=%d fake=%d",
 				 error_msg, offset, le32_to_cpu(de->inode),
-				 rlen, de->name_len, size);
+				 rlen, size, fake);
 
 	return 1;
 }
@@ -118,11 +134,9 @@
 	struct buffer_head *bh = NULL;
 	struct fscrypt_str fstr = FSTR_INIT(NULL, 0);
 
-	if (IS_ENCRYPTED(inode)) {
-		err = fscrypt_get_encryption_info(inode);
-		if (err)
-			return err;
-	}
+	err = fscrypt_prepare_readdir(inode);
+	if (err)
+		return err;
 
 	if (is_dx_dir(inode)) {
 		err = ext4_dx_readdir(file, ctx);
@@ -226,7 +240,8 @@
 				 * failure will be detected in the
 				 * dirent test below. */
 				if (ext4_rec_len_from_disk(de->rec_len,
-					sb->s_blocksize) < EXT4_DIR_REC_LEN(1))
+					sb->s_blocksize) < ext4_dir_rec_len(1,
+									inode))
 					break;
 				i += ext4_rec_len_from_disk(de->rec_len,
 							    sb->s_blocksize);
@@ -267,7 +282,9 @@
 
 					/* Directory is encrypted */
 					err = fscrypt_fname_disk_to_usr(inode,
-						0, 0, &de_name, &fstr);
+						EXT4_DIRENT_HASH(de),
+						EXT4_DIRENT_MINOR_HASH(de),
+						&de_name, &fstr);
 					de_name = fstr;
 					fstr.len = save_len;
 					if (err)
@@ -616,13 +633,6 @@
 	return ret < 0 ? ret : 0;
 }
 
-static int ext4_dir_open(struct inode * inode, struct file * filp)
-{
-	if (IS_ENCRYPTED(inode))
-		return fscrypt_get_encryption_info(inode) ? -EACCES : 0;
-	return 0;
-}
-
 static int ext4_release_dir(struct inode *inode, struct file *filp)
 {
 	if (filp->private_data)
@@ -664,13 +674,5 @@
 	.compat_ioctl	= ext4_compat_ioctl,
 #endif
 	.fsync		= ext4_sync_file,
-	.open		= ext4_dir_open,
 	.release	= ext4_release_dir,
 };
-
-#ifdef CONFIG_UNICODE
-const struct dentry_operations ext4_dentry_ops = {
-	.d_hash = generic_ci_d_hash,
-	.d_compare = generic_ci_d_compare,
-};
-#endif
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index fec021e..4490382 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2170,6 +2170,17 @@
 	char	name[EXT4_NAME_LEN];	/* File name */
 };
 
+
+/*
+ * Encrypted Casefolded entries require saving the hash on disk. This structure
+ * followed ext4_dir_entry_2's name[name_len] at the next 4 byte aligned
+ * boundary.
+ */
+struct ext4_dir_entry_hash {
+	__le32 hash;
+	__le32 minor_hash;
+};
+
 /*
  * The new version of the directory entry.  Since EXT4 structures are
  * stored in intel byte order, and the name_len field could never be
@@ -2185,6 +2196,22 @@
 };
 
 /*
+ * Access the hashes at the end of ext4_dir_entry_2
+ */
+#define EXT4_DIRENT_HASHES(entry) \
+	((struct ext4_dir_entry_hash *) \
+		(((void *)(entry)) + \
+		((8 + (entry)->name_len + EXT4_DIR_ROUND) & ~EXT4_DIR_ROUND)))
+#define EXT4_DIRENT_HASH(entry) le32_to_cpu(EXT4_DIRENT_HASHES(de)->hash)
+#define EXT4_DIRENT_MINOR_HASH(entry) \
+		le32_to_cpu(EXT4_DIRENT_HASHES(de)->minor_hash)
+
+static inline bool ext4_hash_in_dirent(const struct inode *inode)
+{
+	return IS_CASEFOLDED(inode) && IS_ENCRYPTED(inode);
+}
+
+/*
  * This is a bogus directory entry at the end of each leaf block that
  * records checksums.
  */
@@ -2225,11 +2252,25 @@
  */
 #define EXT4_DIR_PAD			4
 #define EXT4_DIR_ROUND			(EXT4_DIR_PAD - 1)
-#define EXT4_DIR_REC_LEN(name_len)	(((name_len) + 8 + EXT4_DIR_ROUND) & \
-					 ~EXT4_DIR_ROUND)
 #define EXT4_MAX_REC_LEN		((1<<16)-1)
 
 /*
+ * The rec_len is dependent on the type of directory. Directories that are
+ * casefolded and encrypted need to store the hash as well, so we add room for
+ * ext4_extended_dir_entry_2. For all entries related to '.' or '..' you should
+ * pass NULL for dir, as those entries do not use the extra fields.
+ */
+static inline unsigned int ext4_dir_rec_len(__u8 name_len,
+						const struct inode *dir)
+{
+	int rec_len = (name_len + 8 + EXT4_DIR_ROUND);
+
+	if (dir && ext4_hash_in_dirent(dir))
+		rec_len += sizeof(struct ext4_dir_entry_hash);
+	return (rec_len & ~EXT4_DIR_ROUND);
+}
+
+/*
  * If we ever get support for fs block sizes > page_size, we'll need
  * to remove the #if statements in the next two functions...
  */
@@ -2285,6 +2326,7 @@
 #define DX_HASH_LEGACY_UNSIGNED		3
 #define DX_HASH_HALF_MD4_UNSIGNED	4
 #define DX_HASH_TEA_UNSIGNED		5
+#define DX_HASH_SIPHASH			6
 
 static inline u32 ext4_chksum(struct ext4_sb_info *sbi, u32 crc,
 			      const void *address, unsigned int length)
@@ -2339,6 +2381,7 @@
 };
 
 #define fname_name(p) ((p)->disk_name.name)
+#define fname_usr_name(p) ((p)->usr_fname->name)
 #define fname_len(p)  ((p)->disk_name.len)
 
 /*
@@ -2571,9 +2614,9 @@
 ext4_fsblk_t ext4_inode_to_goal_block(struct inode *);
 
 #ifdef CONFIG_UNICODE
-extern void ext4_fname_setup_ci_filename(struct inode *dir,
+extern int ext4_fname_setup_ci_filename(struct inode *dir,
 					 const struct qstr *iname,
-					 struct fscrypt_str *fname);
+					 struct ext4_filename *fname);
 #endif
 
 #ifdef CONFIG_FS_ENCRYPTION
@@ -2604,9 +2647,9 @@
 	ext4_fname_from_fscrypt_name(fname, &name);
 
 #ifdef CONFIG_UNICODE
-	ext4_fname_setup_ci_filename(dir, iname, &fname->cf_name);
+	err = ext4_fname_setup_ci_filename(dir, iname, fname);
 #endif
-	return 0;
+	return err;
 }
 
 static inline int ext4_fname_prepare_lookup(struct inode *dir,
@@ -2623,9 +2666,9 @@
 	ext4_fname_from_fscrypt_name(fname, &name);
 
 #ifdef CONFIG_UNICODE
-	ext4_fname_setup_ci_filename(dir, &dentry->d_name, &fname->cf_name);
+	err = ext4_fname_setup_ci_filename(dir, &dentry->d_name, fname);
 #endif
-	return 0;
+	return err;
 }
 
 static inline void ext4_fname_free_filename(struct ext4_filename *fname)
@@ -2650,15 +2693,16 @@
 					    int lookup,
 					    struct ext4_filename *fname)
 {
+	int err = 0;
 	fname->usr_fname = iname;
 	fname->disk_name.name = (unsigned char *) iname->name;
 	fname->disk_name.len = iname->len;
 
 #ifdef CONFIG_UNICODE
-	ext4_fname_setup_ci_filename(dir, iname, &fname->cf_name);
+	err = ext4_fname_setup_ci_filename(dir, iname, fname);
 #endif
 
-	return 0;
+	return err;
 }
 
 static inline int ext4_fname_prepare_lookup(struct inode *dir,
@@ -2683,9 +2727,9 @@
 				  struct ext4_dir_entry_2 *,
 				  struct buffer_head *, char *, int,
 				  unsigned int);
-#define ext4_check_dir_entry(dir, filp, de, bh, buf, size, offset)	\
+#define ext4_check_dir_entry(dir, filp, de, bh, buf, size, offset) \
 	unlikely(__ext4_check_dir_entry(__func__, __LINE__, (dir), (filp), \
-					(de), (bh), (buf), (size), (offset)))
+				(de), (bh), (buf), (size), (offset)))
 extern int ext4_htree_store_dirent(struct file *dir_file, __u32 hash,
 				__u32 minor_hash,
 				struct ext4_dir_entry_2 *dirent,
@@ -2696,7 +2740,7 @@
 			     void *buf, int buf_size,
 			     struct ext4_filename *fname,
 			     struct ext4_dir_entry_2 **dest_de);
-void ext4_insert_dentry(struct inode *inode,
+void ext4_insert_dentry(struct inode *dir, struct inode *inode,
 			struct ext4_dir_entry_2 *de,
 			int buf_size,
 			struct ext4_filename *fname);
@@ -3386,10 +3430,6 @@
 /* dir.c */
 extern const struct file_operations ext4_dir_operations;
 
-#ifdef CONFIG_UNICODE
-extern const struct dentry_operations ext4_dentry_ops;
-#endif
-
 /* file.c */
 extern const struct inode_operations ext4_file_inode_operations;
 extern const struct file_operations ext4_file_operations;
@@ -3481,9 +3521,6 @@
 					unsigned int blocksize);
 extern int ext4_handle_dirty_dirblock(handle_t *handle, struct inode *inode,
 				      struct buffer_head *bh);
-extern int ext4_ci_compare(const struct inode *parent,
-			   const struct qstr *fname,
-			   const struct qstr *entry, bool quick);
 extern int __ext4_unlink(struct inode *dir, const struct qstr *d_name,
 			 struct inode *inode, struct dentry *dentry);
 extern int __ext4_link(struct inode *dir, struct inode *inode,
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index f42cc1f..d439834 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -36,9 +36,11 @@
 #include "acl.h"
 #include "truncate.h"
 
-static bool ext4_dio_supported(struct inode *inode)
+static bool ext4_dio_supported(struct kiocb *iocb, struct iov_iter *iter)
 {
-	if (IS_ENABLED(CONFIG_FS_ENCRYPTION) && IS_ENCRYPTED(inode))
+	struct inode *inode = file_inode(iocb->ki_filp);
+
+	if (!fscrypt_dio_supported(iocb, iter))
 		return false;
 	if (fsverity_active(inode))
 		return false;
@@ -61,7 +63,7 @@
 		inode_lock_shared(inode);
 	}
 
-	if (!ext4_dio_supported(inode)) {
+	if (!ext4_dio_supported(iocb, to)) {
 		inode_unlock_shared(inode);
 		/*
 		 * Fallback to buffered I/O if the operation being performed on
@@ -510,7 +512,7 @@
 	}
 
 	/* Fallback to buffered I/O if the inode does not support direct I/O. */
-	if (!ext4_dio_supported(inode)) {
+	if (!ext4_dio_supported(iocb, from)) {
 		if (ilock_shared)
 			inode_unlock_shared(inode);
 		else
@@ -762,6 +764,9 @@
 	.fault		= ext4_filemap_fault,
 	.map_pages	= filemap_map_pages,
 	.page_mkwrite   = ext4_page_mkwrite,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	.allow_speculation = filemap_allow_speculation,
+#endif
 };
 
 static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c
index a92eb79..f34f417 100644
--- a/fs/ext4/hash.c
+++ b/fs/ext4/hash.c
@@ -197,7 +197,7 @@
  * represented, and whether or not the returned hash is 32 bits or 64
  * bits.  32 bit hashes will return 0 for the minor hash.
  */
-static int __ext4fs_dirhash(const char *name, int len,
+static int __ext4fs_dirhash(const struct inode *dir, const char *name, int len,
 			    struct dx_hash_info *hinfo)
 {
 	__u32	hash;
@@ -259,6 +259,22 @@
 		hash = buf[0];
 		minor_hash = buf[1];
 		break;
+	case DX_HASH_SIPHASH:
+	{
+		struct qstr qname = QSTR_INIT(name, len);
+		__u64	combined_hash;
+
+		if (fscrypt_has_encryption_key(dir)) {
+			combined_hash = fscrypt_fname_siphash(dir, &qname);
+		} else {
+			ext4_warning_inode(dir, "Siphash requires key");
+			return -1;
+		}
+
+		hash = (__u32)(combined_hash >> 32);
+		minor_hash = (__u32)combined_hash;
+		break;
+	}
 	default:
 		hinfo->hash = 0;
 		return -1;
@@ -280,7 +296,8 @@
 	unsigned char *buff;
 	struct qstr qstr = {.name = name, .len = len };
 
-	if (len && IS_CASEFOLDED(dir) && um) {
+	if (len && IS_CASEFOLDED(dir) && um &&
+	   (!IS_ENCRYPTED(dir) || fscrypt_has_encryption_key(dir))) {
 		buff = kzalloc(sizeof(char) * PATH_MAX, GFP_KERNEL);
 		if (!buff)
 			return -ENOMEM;
@@ -291,12 +308,12 @@
 			goto opaque_seq;
 		}
 
-		r = __ext4fs_dirhash(buff, dlen, hinfo);
+		r = __ext4fs_dirhash(dir, buff, dlen, hinfo);
 
 		kfree(buff);
 		return r;
 	}
 opaque_seq:
 #endif
-	return __ext4fs_dirhash(name, len, hinfo);
+	return __ext4fs_dirhash(dir, name, len, hinfo);
 }
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 979935c..d4e84fc 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -12,6 +12,7 @@
 #include "ext4.h"
 #include "xattr.h"
 #include "truncate.h"
+#include <trace/events/android_fs.h>
 
 #define EXT4_XATTR_SYSTEM_DATA	"data"
 #define EXT4_MIN_INLINE_DATA_SIZE	((sizeof(__le32) * EXT4_N_BLOCKS))
@@ -517,6 +518,17 @@
 		return -EAGAIN;
 	}
 
+	if (trace_android_fs_dataread_start_enabled()) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_dataread_start(inode, page_offset(page),
+						PAGE_SIZE, current->pid,
+						path, current->comm);
+	}
+
 	/*
 	 * Current inline data can only exist in the 1st page,
 	 * So for all the other pages, just set them uptodate.
@@ -528,6 +540,8 @@
 		SetPageUptodate(page);
 	}
 
+	trace_android_fs_dataread_end(inode, page_offset(page), PAGE_SIZE);
+
 	up_read(&EXT4_I(inode)->xattr_sem);
 
 	unlock_page(page);
@@ -1044,7 +1058,7 @@
 	err = ext4_journal_get_write_access(handle, iloc->bh);
 	if (err)
 		return err;
-	ext4_insert_dentry(inode, de, inline_size, fname);
+	ext4_insert_dentry(dir, inode, de, inline_size, fname);
 
 	ext4_show_inline_dir(dir, iloc->bh, inline_start, inline_size);
 
@@ -1113,7 +1127,7 @@
 	int old_size = EXT4_I(dir)->i_inline_size - EXT4_MIN_INLINE_DATA_SIZE;
 	int new_size = get_max_inline_xattr_value_size(dir, iloc);
 
-	if (new_size - old_size <= EXT4_DIR_REC_LEN(1))
+	if (new_size - old_size <= ext4_dir_rec_len(1, NULL))
 		return -ENOSPC;
 
 	ret = ext4_update_inline_data(handle, dir,
@@ -1402,8 +1416,8 @@
 			fake.name_len = 1;
 			strcpy(fake.name, ".");
 			fake.rec_len = ext4_rec_len_to_disk(
-						EXT4_DIR_REC_LEN(fake.name_len),
-						inline_size);
+					  ext4_dir_rec_len(fake.name_len, NULL),
+					  inline_size);
 			ext4_set_de_type(inode->i_sb, &fake, S_IFDIR);
 			de = &fake;
 			pos = EXT4_INLINE_DOTDOT_OFFSET;
@@ -1412,8 +1426,8 @@
 			fake.name_len = 2;
 			strcpy(fake.name, "..");
 			fake.rec_len = ext4_rec_len_to_disk(
-						EXT4_DIR_REC_LEN(fake.name_len),
-						inline_size);
+					  ext4_dir_rec_len(fake.name_len, NULL),
+					  inline_size);
 			ext4_set_de_type(inode->i_sb, &fake, S_IFDIR);
 			de = &fake;
 			pos = EXT4_INLINE_DOTDOT_SIZE;
@@ -1428,7 +1442,12 @@
 			}
 		}
 
-		ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+		if (ext4_hash_in_dirent(dir)) {
+			hinfo->hash = EXT4_DIRENT_HASH(de);
+			hinfo->minor_hash = EXT4_DIRENT_MINOR_HASH(de);
+		} else {
+			ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+		}
 		if ((hinfo->hash < start_hash) ||
 		    ((hinfo->hash == start_hash) &&
 		     (hinfo->minor_hash < start_minor_hash)))
@@ -1510,8 +1529,8 @@
 	 * So we will use extra_offset and extra_size to indicate them
 	 * during the inline dir iteration.
 	 */
-	dotdot_offset = EXT4_DIR_REC_LEN(1);
-	dotdot_size = dotdot_offset + EXT4_DIR_REC_LEN(2);
+	dotdot_offset = ext4_dir_rec_len(1, NULL);
+	dotdot_size = dotdot_offset + ext4_dir_rec_len(2, NULL);
 	extra_offset = dotdot_size - EXT4_INLINE_DOTDOT_SIZE;
 	extra_size = extra_offset + inline_size;
 
@@ -1546,7 +1565,7 @@
 			 * failure will be detected in the
 			 * dirent test below. */
 			if (ext4_rec_len_from_disk(de->rec_len, extra_size)
-				< EXT4_DIR_REC_LEN(1))
+				< ext4_dir_rec_len(1, NULL))
 				break;
 			i += ext4_rec_len_from_disk(de->rec_len,
 						    extra_size);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 365c4d3..06ec1e6 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -47,6 +47,7 @@
 #include "truncate.h"
 
 #include <trace/events/ext4.h>
+#include <trace/events/android_fs.h>
 
 static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw,
 			      struct ext4_inode_info *ei)
@@ -1143,6 +1144,16 @@
 	if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
 		return -EIO;
 
+	if (trace_android_fs_datawrite_start_enabled()) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_datawrite_start(inode, pos, len,
+						 current->pid, path,
+						 current->comm);
+	}
 	trace_ext4_write_begin(inode, pos, len, flags);
 	/*
 	 * Reserve one block more for addition to orphan list in case
@@ -1292,6 +1303,7 @@
 	int inline_data = ext4_has_inline_data(inode);
 	bool verity = ext4_verity_in_progress(inode);
 
+	trace_android_fs_datawrite_end(inode, pos, len);
 	trace_ext4_write_end(inode, pos, len, copied);
 	if (inline_data &&
 	    ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
@@ -1405,6 +1417,7 @@
 	int inline_data = ext4_has_inline_data(inode);
 	bool verity = ext4_verity_in_progress(inode);
 
+	trace_android_fs_datawrite_end(inode, pos, len);
 	trace_ext4_journalled_write_end(inode, pos, len, copied);
 	from = pos & (PAGE_SIZE - 1);
 	to = from + len;
@@ -3009,6 +3022,16 @@
 					len, flags, pagep, fsdata);
 	}
 	*fsdata = (void *)0;
+	if (trace_android_fs_datawrite_start_enabled()) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_datawrite_start(inode, pos, len,
+						 current->pid,
+						 path, current->comm);
+	}
 	trace_ext4_da_write_begin(inode, pos, len, flags);
 
 	if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
@@ -3127,6 +3150,7 @@
 		return ext4_write_end(file, mapping, pos,
 				      len, copied, page, fsdata);
 
+	trace_android_fs_datawrite_end(inode, pos, len);
 	trace_ext4_da_write_end(inode, pos, len, copied);
 	start = pos & (PAGE_SIZE - 1);
 	end = start + copied - 1;
@@ -3537,6 +3561,13 @@
 	if (ret < 0)
 		return ret;
 out:
+	/*
+	 * When inline encryption is enabled, sometimes I/O to an encrypted file
+	 * has to be broken up to guarantee DUN contiguity.  Handle this by
+	 * limiting the length of the mapping returned.
+	 */
+	map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len);
+
 	ext4_set_iomap(inode, iomap, &map, offset, length);
 
 	return 0;
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 5682950..63cb060 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -612,7 +612,7 @@
 {
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	__u32 flags;
-	struct super_block *ret;
+	int ret;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
@@ -632,10 +632,10 @@
 	switch (flags) {
 	case EXT4_GOING_FLAGS_DEFAULT:
 		ret = freeze_bdev(sb->s_bdev);
-		if (IS_ERR(ret))
-			return PTR_ERR(ret);
+		if (ret)
+			return ret;
 		set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags);
-		thaw_bdev(sb->s_bdev, sb);
+		thaw_bdev(sb->s_bdev);
 		break;
 	case EXT4_GOING_FLAGS_LOGFLUSH:
 		set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags);
@@ -1318,6 +1318,12 @@
 			return -EOPNOTSUPP;
 		return fsverity_ioctl_measure(filp, (void __user *)arg);
 
+	case FS_IOC_READ_VERITY_METADATA:
+		if (!ext4_has_feature_verity(sb))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_read_metadata(filp,
+						    (const void __user *)arg);
+
 	default:
 		return -ENOTTY;
 	}
@@ -1394,6 +1400,7 @@
 	case FS_IOC_GETFSMAP:
 	case FS_IOC_ENABLE_VERITY:
 	case FS_IOC_MEASURE_VERITY:
+	case FS_IOC_READ_VERITY_METADATA:
 	case EXT4_IOC_CLEAR_ES_CACHE:
 	case EXT4_IOC_GETSTATE:
 	case EXT4_IOC_GET_ES_CACHE:
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index a50eb4c..79f00be 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -307,9 +307,11 @@
 		       struct dx_hash_info *hinfo,
 		       struct dx_map_entry *map_tail);
 static void dx_sort_map(struct dx_map_entry *map, unsigned count);
-static struct ext4_dir_entry_2 *dx_move_dirents(char *from, char *to,
-		struct dx_map_entry *offsets, int count, unsigned blocksize);
-static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize);
+static struct ext4_dir_entry_2 *dx_move_dirents(struct inode *dir, char *from,
+					char *to, struct dx_map_entry *offsets,
+					int count, unsigned int blocksize);
+static struct ext4_dir_entry_2 *dx_pack_dirents(struct inode *dir, char *base,
+						unsigned int blocksize);
 static void dx_insert_block(struct dx_frame *frame,
 					u32 hash, ext4_lblk_t block);
 static int ext4_htree_next_block(struct inode *dir, __u32 hash,
@@ -603,8 +605,9 @@
 
 static inline unsigned dx_root_limit(struct inode *dir, unsigned infosize)
 {
-	unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(1) -
-		EXT4_DIR_REC_LEN(2) - infosize;
+	unsigned int entry_space = dir->i_sb->s_blocksize -
+			ext4_dir_rec_len(1, NULL) -
+			ext4_dir_rec_len(2, NULL) - infosize;
 
 	if (ext4_has_metadata_csum(dir->i_sb))
 		entry_space -= sizeof(struct dx_tail);
@@ -613,7 +616,8 @@
 
 static inline unsigned dx_node_limit(struct inode *dir)
 {
-	unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(0);
+	unsigned int entry_space = dir->i_sb->s_blocksize -
+			ext4_dir_rec_len(0, dir);
 
 	if (ext4_has_metadata_csum(dir->i_sb))
 		entry_space -= sizeof(struct dx_tail);
@@ -668,13 +672,7 @@
 
 				name  = de->name;
 				len = de->name_len;
-				if (IS_ENCRYPTED(dir))
-					res = fscrypt_get_encryption_info(dir);
-				if (res) {
-					printk(KERN_WARNING "Error setting up"
-					       " fname crypto: %d\n", res);
-				}
-				if (!fscrypt_has_encryption_key(dir)) {
+				if (!IS_ENCRYPTED(dir)) {
 					/* Directory is not encrypted */
 					ext4fs_dirhash(dir, de->name,
 						de->name_len, &h);
@@ -708,7 +706,10 @@
 						name = fname_crypto_str.name;
 						len = fname_crypto_str.len;
 					}
-					ext4fs_dirhash(dir, de->name,
+					if (IS_CASEFOLDED(dir))
+						h.hash = EXT4_DIRENT_HASH(de);
+					else
+						ext4fs_dirhash(dir, de->name,
 						       de->name_len, &h);
 					printk("%*.s:(E)%x.%u ", len, name,
 					       h.hash, (unsigned) ((char *) de
@@ -724,7 +725,7 @@
 				       (unsigned) ((char *) de - base));
 #endif
 			}
-			space += EXT4_DIR_REC_LEN(de->name_len);
+			space += ext4_dir_rec_len(de->name_len, dir);
 			names++;
 		}
 		de = ext4_next_entry(de, size);
@@ -798,18 +799,34 @@
 	root = (struct dx_root *) frame->bh->b_data;
 	if (root->info.hash_version != DX_HASH_TEA &&
 	    root->info.hash_version != DX_HASH_HALF_MD4 &&
-	    root->info.hash_version != DX_HASH_LEGACY) {
+	    root->info.hash_version != DX_HASH_LEGACY &&
+	    root->info.hash_version != DX_HASH_SIPHASH) {
 		ext4_warning_inode(dir, "Unrecognised inode hash code %u",
 				   root->info.hash_version);
 		goto fail;
 	}
+	if (ext4_hash_in_dirent(dir)) {
+		if (root->info.hash_version != DX_HASH_SIPHASH) {
+			ext4_warning_inode(dir,
+				"Hash in dirent, but hash is not SIPHASH");
+			goto fail;
+		}
+	} else {
+		if (root->info.hash_version == DX_HASH_SIPHASH) {
+			ext4_warning_inode(dir,
+				"Hash code is SIPHASH, but hash not in dirent");
+			goto fail;
+		}
+	}
 	if (fname)
 		hinfo = &fname->hinfo;
 	hinfo->hash_version = root->info.hash_version;
 	if (hinfo->hash_version <= DX_HASH_TEA)
 		hinfo->hash_version += EXT4_SB(dir->i_sb)->s_hash_unsigned;
 	hinfo->seed = EXT4_SB(dir->i_sb)->s_hash_seed;
-	if (fname && fname_name(fname))
+	/* hash is already computed for encrypted casefolded directory */
+	if (fname && fname_name(fname) &&
+				!(IS_ENCRYPTED(dir) && IS_CASEFOLDED(dir)))
 		ext4fs_dirhash(dir, fname_name(fname), fname_len(fname), hinfo);
 	hash = hinfo->hash;
 
@@ -1038,6 +1055,7 @@
 	struct ext4_dir_entry_2 *de, *top;
 	int err = 0, count = 0;
 	struct fscrypt_str fname_crypto_str = FSTR_INIT(NULL, 0), tmp_str;
+	int csum = ext4_has_metadata_csum(dir->i_sb);
 
 	dxtrace(printk(KERN_INFO "In htree dirblock_to_tree: block %lu\n",
 							(unsigned long)block));
@@ -1046,12 +1064,14 @@
 		return PTR_ERR(bh);
 
 	de = (struct ext4_dir_entry_2 *) bh->b_data;
+	/* csum entries are not larger in the casefolded encrypted case */
 	top = (struct ext4_dir_entry_2 *) ((char *) de +
 					   dir->i_sb->s_blocksize -
-					   EXT4_DIR_REC_LEN(0));
+					   ext4_dir_rec_len(0,
+							   csum ? NULL : dir));
 	/* Check if the directory is encrypted */
 	if (IS_ENCRYPTED(dir)) {
-		err = fscrypt_get_encryption_info(dir);
+		err = fscrypt_prepare_readdir(dir);
 		if (err < 0) {
 			brelse(bh);
 			return err;
@@ -1072,7 +1092,17 @@
 			/* silently ignore the rest of the block */
 			break;
 		}
-		ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+		if (ext4_hash_in_dirent(dir)) {
+			if (de->name_len && de->inode) {
+				hinfo->hash = EXT4_DIRENT_HASH(de);
+				hinfo->minor_hash = EXT4_DIRENT_MINOR_HASH(de);
+			} else {
+				hinfo->hash = 0;
+				hinfo->minor_hash = 0;
+			}
+		} else {
+			ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+		}
 		if ((hinfo->hash < start_hash) ||
 		    ((hinfo->hash == start_hash) &&
 		     (hinfo->minor_hash < start_minor_hash)))
@@ -1141,7 +1171,11 @@
 		       start_hash, start_minor_hash));
 	dir = file_inode(dir_file);
 	if (!(ext4_test_inode_flag(dir, EXT4_INODE_INDEX))) {
-		hinfo.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
+		if (ext4_hash_in_dirent(dir))
+			hinfo.hash_version = DX_HASH_SIPHASH;
+		else
+			hinfo.hash_version =
+					EXT4_SB(dir->i_sb)->s_def_hash_version;
 		if (hinfo.hash_version <= DX_HASH_TEA)
 			hinfo.hash_version +=
 				EXT4_SB(dir->i_sb)->s_hash_unsigned;
@@ -1268,7 +1302,10 @@
 					 ((char *)de) - base))
 			return -EFSCORRUPTED;
 		if (de->name_len && de->inode) {
-			ext4fs_dirhash(dir, de->name, de->name_len, &h);
+			if (ext4_hash_in_dirent(dir))
+				h.hash = EXT4_DIRENT_HASH(de);
+			else
+				ext4fs_dirhash(dir, de->name, de->name_len, &h);
 			map_tail--;
 			map_tail->hash = h.hash;
 			map_tail->offs = ((char *) de - base)>>2;
@@ -1332,47 +1369,66 @@
  * Returns: 0 if the directory entry matches, more than 0 if it
  * doesn't match or less than zero on error.
  */
-int ext4_ci_compare(const struct inode *parent, const struct qstr *name,
-		    const struct qstr *entry, bool quick)
+static int ext4_ci_compare(const struct inode *parent, const struct qstr *name,
+			   u8 *de_name, size_t de_name_len, bool quick)
 {
 	const struct super_block *sb = parent->i_sb;
 	const struct unicode_map *um = sb->s_encoding;
+	struct fscrypt_str decrypted_name = FSTR_INIT(NULL, de_name_len);
+	struct qstr entry = QSTR_INIT(de_name, de_name_len);
 	int ret;
 
-	if (quick)
-		ret = utf8_strncasecmp_folded(um, name, entry);
-	else
-		ret = utf8_strncasecmp(um, name, entry);
+	if (IS_ENCRYPTED(parent)) {
+		const struct fscrypt_str encrypted_name =
+				FSTR_INIT(de_name, de_name_len);
 
+		decrypted_name.name = kmalloc(de_name_len, GFP_KERNEL);
+		if (!decrypted_name.name)
+			return -ENOMEM;
+		ret = fscrypt_fname_disk_to_usr(parent, 0, 0, &encrypted_name,
+						&decrypted_name);
+		if (ret < 0)
+			goto out;
+		entry.name = decrypted_name.name;
+		entry.len = decrypted_name.len;
+	}
+
+	if (quick)
+		ret = utf8_strncasecmp_folded(um, name, &entry);
+	else
+		ret = utf8_strncasecmp(um, name, &entry);
 	if (ret < 0) {
 		/* Handle invalid character sequence as either an error
 		 * or as an opaque byte sequence.
 		 */
 		if (sb_has_strict_encoding(sb))
-			return -EINVAL;
-
-		if (name->len != entry->len)
-			return 1;
-
-		return !!memcmp(name->name, entry->name, name->len);
+			ret = -EINVAL;
+		else if (name->len != entry.len)
+			ret = 1;
+		else
+			ret = !!memcmp(name->name, entry.name, entry.len);
 	}
-
+out:
+	kfree(decrypted_name.name);
 	return ret;
 }
 
-void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
-				  struct fscrypt_str *cf_name)
+int ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
+				  struct ext4_filename *name)
 {
+	struct fscrypt_str *cf_name = &name->cf_name;
+	struct dx_hash_info *hinfo = &name->hinfo;
 	int len;
 
-	if (!IS_CASEFOLDED(dir) || !dir->i_sb->s_encoding) {
+	if (!IS_CASEFOLDED(dir) || !dir->i_sb->s_encoding ||
+	    (IS_ENCRYPTED(dir) && !fscrypt_has_encryption_key(dir))) {
 		cf_name->name = NULL;
-		return;
+		return 0;
 	}
 
 	cf_name->name = kmalloc(EXT4_NAME_LEN, GFP_NOFS);
 	if (!cf_name->name)
-		return;
+		return -ENOMEM;
 
 	len = utf8_casefold(dir->i_sb->s_encoding,
 			    iname, cf_name->name,
@@ -1380,10 +1436,18 @@
 	if (len <= 0) {
 		kfree(cf_name->name);
 		cf_name->name = NULL;
-		return;
 	}
 	cf_name->len = (unsigned) len;
+	if (!IS_ENCRYPTED(dir))
+		return 0;
 
+	hinfo->hash_version = DX_HASH_SIPHASH;
+	hinfo->seed = NULL;
+	if (cf_name->name)
+		ext4fs_dirhash(dir, cf_name->name, cf_name->len, hinfo);
+	else
+		ext4fs_dirhash(dir, iname->name, iname->len, hinfo);
+	return 0;
 }
 #endif
 
@@ -1392,14 +1456,11 @@
  *
  * Return: %true if the directory entry matches, otherwise %false.
  */
-static inline bool ext4_match(const struct inode *parent,
+static bool ext4_match(struct inode *parent,
 			      const struct ext4_filename *fname,
-			      const struct ext4_dir_entry_2 *de)
+			      struct ext4_dir_entry_2 *de)
 {
 	struct fscrypt_name f;
-#ifdef CONFIG_UNICODE
-	const struct qstr entry = {.name = de->name, .len = de->name_len};
-#endif
 
 	if (!de->inode)
 		return false;
@@ -1411,14 +1472,24 @@
 #endif
 
 #ifdef CONFIG_UNICODE
-	if (parent->i_sb->s_encoding && IS_CASEFOLDED(parent)) {
+	if (parent->i_sb->s_encoding && IS_CASEFOLDED(parent) &&
+	    (!IS_ENCRYPTED(parent) || fscrypt_has_encryption_key(parent))) {
 		if (fname->cf_name.name) {
 			struct qstr cf = {.name = fname->cf_name.name,
 					  .len = fname->cf_name.len};
-			return !ext4_ci_compare(parent, &cf, &entry, true);
+			if (IS_ENCRYPTED(parent)) {
+				if (fname->hinfo.hash != EXT4_DIRENT_HASH(de) ||
+					fname->hinfo.minor_hash !=
+						EXT4_DIRENT_MINOR_HASH(de)) {
+
+					return 0;
+				}
+			}
+			return !ext4_ci_compare(parent, &cf, de->name,
+							de->name_len, true);
 		}
-		return !ext4_ci_compare(parent, fname->usr_fname, &entry,
-					false);
+		return !ext4_ci_compare(parent, fname->usr_fname, de->name,
+						de->name_len, false);
 	}
 #endif
 
@@ -1663,6 +1734,7 @@
 	struct buffer_head *bh;
 
 	err = ext4_fname_prepare_lookup(dir, dentry, &fname);
+	generic_set_encrypted_ci_d_ops(dentry);
 	if (err == -ENOENT)
 		return NULL;
 	if (err)
@@ -1813,7 +1885,8 @@
  * Returns pointer to last entry moved.
  */
 static struct ext4_dir_entry_2 *
-dx_move_dirents(char *from, char *to, struct dx_map_entry *map, int count,
+dx_move_dirents(struct inode *dir, char *from, char *to,
+		struct dx_map_entry *map, int count,
 		unsigned blocksize)
 {
 	unsigned rec_len = 0;
@@ -1821,7 +1894,8 @@
 	while (count--) {
 		struct ext4_dir_entry_2 *de = (struct ext4_dir_entry_2 *)
 						(from + (map->offs<<2));
-		rec_len = EXT4_DIR_REC_LEN(de->name_len);
+		rec_len = ext4_dir_rec_len(de->name_len, dir);
+
 		memcpy (to, de, rec_len);
 		((struct ext4_dir_entry_2 *) to)->rec_len =
 				ext4_rec_len_to_disk(rec_len, blocksize);
@@ -1836,7 +1910,8 @@
  * Compact each dir entry in the range to the minimal rec_len.
  * Returns pointer to last entry in range.
  */
-static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize)
+static struct ext4_dir_entry_2 *dx_pack_dirents(struct inode *dir, char *base,
+							unsigned int blocksize)
 {
 	struct ext4_dir_entry_2 *next, *to, *prev, *de = (struct ext4_dir_entry_2 *) base;
 	unsigned rec_len = 0;
@@ -1845,7 +1920,7 @@
 	while ((char*)de < base + blocksize) {
 		next = ext4_next_entry(de, blocksize);
 		if (de->inode && de->name_len) {
-			rec_len = EXT4_DIR_REC_LEN(de->name_len);
+			rec_len = ext4_dir_rec_len(de->name_len, dir);
 			if (de > to)
 				memmove(to, de, rec_len);
 			to->rec_len = ext4_rec_len_to_disk(rec_len, blocksize);
@@ -1863,7 +1938,7 @@
  * Returns pointer to de in block into which the new entry will be inserted.
  */
 static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
-			struct buffer_head **bh,struct dx_frame *frame,
+			struct buffer_head **bh, struct dx_frame *frame,
 			struct dx_hash_info *hinfo)
 {
 	unsigned blocksize = dir->i_sb->s_blocksize;
@@ -1939,9 +2014,9 @@
 					hash2, split, count-split));
 
 	/* Fancy dance to stay within two buffers */
-	de2 = dx_move_dirents(data1, data2, map + split, count - split,
+	de2 = dx_move_dirents(dir, data1, data2, map + split, count - split,
 			      blocksize);
-	de = dx_pack_dirents(data1, blocksize);
+	de = dx_pack_dirents(dir, data1, blocksize);
 	de->rec_len = ext4_rec_len_to_disk(data1 + (blocksize - csum_size) -
 					   (char *) de,
 					   blocksize);
@@ -1989,7 +2064,7 @@
 		      struct ext4_dir_entry_2 **dest_de)
 {
 	struct ext4_dir_entry_2 *de;
-	unsigned short reclen = EXT4_DIR_REC_LEN(fname_len(fname));
+	unsigned short reclen = ext4_dir_rec_len(fname_len(fname), dir);
 	int nlen, rlen;
 	unsigned int offset = 0;
 	char *top;
@@ -2002,7 +2077,7 @@
 			return -EFSCORRUPTED;
 		if (ext4_match(dir, fname, de))
 			return -EEXIST;
-		nlen = EXT4_DIR_REC_LEN(de->name_len);
+		nlen = ext4_dir_rec_len(de->name_len, dir);
 		rlen = ext4_rec_len_from_disk(de->rec_len, buf_size);
 		if ((de->inode ? rlen - nlen : rlen) >= reclen)
 			break;
@@ -2016,7 +2091,8 @@
 	return 0;
 }
 
-void ext4_insert_dentry(struct inode *inode,
+void ext4_insert_dentry(struct inode *dir,
+			struct inode *inode,
 			struct ext4_dir_entry_2 *de,
 			int buf_size,
 			struct ext4_filename *fname)
@@ -2024,7 +2100,7 @@
 
 	int nlen, rlen;
 
-	nlen = EXT4_DIR_REC_LEN(de->name_len);
+	nlen = ext4_dir_rec_len(de->name_len, dir);
 	rlen = ext4_rec_len_from_disk(de->rec_len, buf_size);
 	if (de->inode) {
 		struct ext4_dir_entry_2 *de1 =
@@ -2038,6 +2114,13 @@
 	ext4_set_de_type(inode->i_sb, de, inode->i_mode);
 	de->name_len = fname_len(fname);
 	memcpy(de->name, fname_name(fname), fname_len(fname));
+	if (ext4_hash_in_dirent(dir)) {
+		struct dx_hash_info *hinfo = &fname->hinfo;
+
+		EXT4_DIRENT_HASHES(de)->hash = cpu_to_le32(hinfo->hash);
+		EXT4_DIRENT_HASHES(de)->minor_hash =
+						cpu_to_le32(hinfo->minor_hash);
+	}
 }
 
 /*
@@ -2074,7 +2157,7 @@
 	}
 
 	/* By now the buffer is marked for journaling */
-	ext4_insert_dentry(inode, de, blocksize, fname);
+	ext4_insert_dentry(dir, inode, de, blocksize, fname);
 
 	/*
 	 * XXX shouldn't update any times until successful
@@ -2174,11 +2257,16 @@
 
 	/* Initialize the root; the dot dirents already exist */
 	de = (struct ext4_dir_entry_2 *) (&root->dotdot);
-	de->rec_len = ext4_rec_len_to_disk(blocksize - EXT4_DIR_REC_LEN(2),
-					   blocksize);
+	de->rec_len = ext4_rec_len_to_disk(
+			blocksize - ext4_dir_rec_len(2, NULL), blocksize);
 	memset (&root->info, 0, sizeof(root->info));
 	root->info.info_length = sizeof(root->info);
-	root->info.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
+	if (ext4_hash_in_dirent(dir))
+		root->info.hash_version = DX_HASH_SIPHASH;
+	else
+		root->info.hash_version =
+				EXT4_SB(dir->i_sb)->s_def_hash_version;
+
 	entries = root->entries;
 	dx_set_block(entries, 1);
 	dx_set_count(entries, 1);
@@ -2189,7 +2277,11 @@
 	if (fname->hinfo.hash_version <= DX_HASH_TEA)
 		fname->hinfo.hash_version += EXT4_SB(dir->i_sb)->s_hash_unsigned;
 	fname->hinfo.seed = EXT4_SB(dir->i_sb)->s_hash_seed;
-	ext4fs_dirhash(dir, fname_name(fname), fname_len(fname), &fname->hinfo);
+
+	/* casefolded encrypted hashes are computed on fname setup */
+	if (!ext4_hash_in_dirent(dir))
+		ext4fs_dirhash(dir, fname_name(fname),
+				fname_len(fname), &fname->hinfo);
 
 	memset(frames, 0, sizeof(frames));
 	frame = frames;
@@ -2204,7 +2296,7 @@
 	if (retval)
 		goto out_frames;	
 
-	de = do_split(handle,dir, &bh2, frame, &fname->hinfo);
+	de = do_split(handle, dir, &bh2, frame, &fname->hinfo);
 	if (IS_ERR(de)) {
 		retval = PTR_ERR(de);
 		goto out_frames;
@@ -2781,7 +2873,7 @@
 {
 	de->inode = cpu_to_le32(inode->i_ino);
 	de->name_len = 1;
-	de->rec_len = ext4_rec_len_to_disk(EXT4_DIR_REC_LEN(de->name_len),
+	de->rec_len = ext4_rec_len_to_disk(ext4_dir_rec_len(de->name_len, NULL),
 					   blocksize);
 	strcpy(de->name, ".");
 	ext4_set_de_type(inode->i_sb, de, S_IFDIR);
@@ -2791,11 +2883,12 @@
 	de->name_len = 2;
 	if (!dotdot_real_len)
 		de->rec_len = ext4_rec_len_to_disk(blocksize -
-					(csum_size + EXT4_DIR_REC_LEN(1)),
+					(csum_size + ext4_dir_rec_len(1, NULL)),
 					blocksize);
 	else
 		de->rec_len = ext4_rec_len_to_disk(
-				EXT4_DIR_REC_LEN(de->name_len), blocksize);
+					ext4_dir_rec_len(de->name_len, NULL),
+					blocksize);
 	strcpy(de->name, "..");
 	ext4_set_de_type(inode->i_sb, de, S_IFDIR);
 
@@ -2927,7 +3020,8 @@
 	}
 
 	sb = inode->i_sb;
-	if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2)) {
+	if (inode->i_size < ext4_dir_rec_len(1, NULL) +
+					ext4_dir_rec_len(2, NULL)) {
 		EXT4_ERROR_INODE(inode, "invalid size");
 		return false;
 	}
diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index f014c5e4..fdabff5 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -46,6 +46,7 @@
 #include <linux/cleancache.h>
 
 #include "ext4.h"
+#include <trace/events/android_fs.h>
 
 #define NUM_PREALLOC_POST_READ_CTXS	128
 
@@ -159,6 +160,17 @@
 	return bio->bi_private && !bio->bi_status;
 }
 
+static void
+ext4_trace_read_completion(struct bio *bio)
+{
+	struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+	if (first_page != NULL)
+		trace_android_fs_dataread_end(first_page->mapping->host,
+					      page_offset(first_page),
+					      bio->bi_iter.bi_size);
+}
+
 /*
  * I/O completion handler for multipage BIOs.
  *
@@ -173,6 +185,9 @@
  */
 static void mpage_end_io(struct bio *bio)
 {
+	if (trace_android_fs_dataread_start_enabled())
+		ext4_trace_read_completion(bio);
+
 	if (bio_post_read_required(bio)) {
 		struct bio_post_read_ctx *ctx = bio->bi_private;
 
@@ -221,6 +236,30 @@
 	return i_size_read(inode);
 }
 
+static void
+ext4_submit_bio_read(struct bio *bio)
+{
+	if (trace_android_fs_dataread_start_enabled()) {
+		struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+		if (first_page != NULL) {
+			char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+			path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    first_page->mapping->host);
+			trace_android_fs_dataread_start(
+				first_page->mapping->host,
+				page_offset(first_page),
+				bio->bi_iter.bi_size,
+				current->pid,
+				path,
+				current->comm);
+		}
+	}
+	submit_bio(bio);
+}
+
 int ext4_mpage_readpages(struct inode *inode,
 		struct readahead_control *rac, struct page *page)
 {
@@ -363,7 +402,7 @@
 		if (bio && (last_block_in_bio != blocks[0] - 1 ||
 			    !fscrypt_mergeable_bio(bio, inode, next_block))) {
 		submit_and_realloc:
-			submit_bio(bio);
+			ext4_submit_bio_read(bio);
 			bio = NULL;
 		}
 		if (bio == NULL) {
@@ -371,8 +410,7 @@
 			 * bio_alloc will _always_ be able to allocate a bio if
 			 * __GFP_DIRECT_RECLAIM is set, see bio_alloc_bioset().
 			 */
-			bio = bio_alloc(GFP_KERNEL,
-				min_t(int, nr_pages, BIO_MAX_PAGES));
+			bio = bio_alloc(GFP_KERNEL, bio_max_segs(nr_pages));
 			fscrypt_set_bio_crypt_ctx(bio, inode, next_block,
 						  GFP_KERNEL);
 			ext4_set_bio_post_read_ctx(bio, inode, page->index);
@@ -390,14 +428,14 @@
 		if (((map.m_flags & EXT4_MAP_BOUNDARY) &&
 		     (relative_block == map.m_len)) ||
 		    (first_hole != blocks_per_page)) {
-			submit_bio(bio);
+			ext4_submit_bio_read(bio);
 			bio = NULL;
 		} else
 			last_block_in_bio = blocks[blocks_per_page - 1];
 		goto next_page;
 	confused:
 		if (bio) {
-			submit_bio(bio);
+			ext4_submit_bio_read(bio);
 			bio = NULL;
 		}
 		if (!PageUptodate(page))
@@ -409,7 +447,7 @@
 			put_page(page);
 	}
 	if (bio)
-		submit_bio(bio);
+		ext4_submit_bio_read(bio);
 	return 0;
 }
 
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e386d67..fa0610e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1586,7 +1586,6 @@
 	.set_context		= ext4_set_context,
 	.get_dummy_policy	= ext4_get_dummy_policy,
 	.empty_dir		= ext4_empty_dir,
-	.max_namelen		= EXT4_NAME_LEN,
 	.has_stable_inodes	= ext4_has_stable_inodes,
 	.get_ino_and_lblk_bits	= ext4_get_ino_and_lblk_bits,
 };
@@ -4301,12 +4300,6 @@
 		struct unicode_map *encoding;
 		__u16 encoding_flags;
 
-		if (ext4_has_feature_encrypt(sb)) {
-			ext4_msg(sb, KERN_ERR,
-				 "Can't mount with encoding and encryption");
-			goto failed_mount;
-		}
-
 		if (ext4_sb_read_encoding(es, &encoding_info,
 					  &encoding_flags)) {
 			ext4_msg(sb, KERN_ERR,
@@ -4972,11 +4965,6 @@
 		goto failed_mount4;
 	}
 
-#ifdef CONFIG_UNICODE
-	if (sb->s_encoding)
-		sb->s_d_op = &ext4_dentry_ops;
-#endif
-
 	sb->s_root = d_make_root(root);
 	if (!sb->s_root) {
 		ext4_msg(sb, KERN_ERR, "get root dentry failed");
@@ -6806,6 +6794,7 @@
 MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
 MODULE_DESCRIPTION("Fourth Extended Filesystem");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_SOFTDEP("pre: crc32c");
 module_init(ext4_init_fs)
 module_exit(ext4_exit_fs)
diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
index b0bb4a9..50096c5 100644
--- a/fs/ext4/sysfs.c
+++ b/fs/ext4/sysfs.c
@@ -319,6 +319,7 @@
 #endif
 EXT4_ATTR_FEATURE(metadata_csum_seed);
 EXT4_ATTR_FEATURE(fast_commit);
+EXT4_ATTR_FEATURE(encrypted_casefold);
 
 static struct attribute *ext4_feat_attrs[] = {
 	ATTR_LIST(lazy_itable_init),
@@ -336,6 +337,7 @@
 #endif
 	ATTR_LIST(metadata_csum_seed),
 	ATTR_LIST(fast_commit),
+	ATTR_LIST(encrypted_casefold),
 	NULL,
 };
 ATTRIBUTE_GROUPS(ext4_feat);
diff --git a/fs/ext4/xattr_hurd.c b/fs/ext4/xattr_hurd.c
index 8cfa74a..b96df3b 100644
--- a/fs/ext4/xattr_hurd.c
+++ b/fs/ext4/xattr_hurd.c
@@ -21,7 +21,8 @@
 static int
 ext4_xattr_hurd_get(const struct xattr_handler *handler,
 		    struct dentry *unused, struct inode *inode,
-		    const char *name, void *buffer, size_t size)
+		    const char *name, void *buffer, size_t size,
+		    int flags)
 {
 	if (!test_opt(inode->i_sb, XATTR_USER))
 		return -EOPNOTSUPP;
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 197a9d8..50fb713 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -15,7 +15,7 @@
 static int
 ext4_xattr_security_get(const struct xattr_handler *handler,
 			struct dentry *unused, struct inode *inode,
-			const char *name, void *buffer, size_t size)
+			const char *name, void *buffer, size_t size, int flags)
 {
 	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_SECURITY,
 			      name, buffer, size);
diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c
index e9389e5..64bd8f8 100644
--- a/fs/ext4/xattr_trusted.c
+++ b/fs/ext4/xattr_trusted.c
@@ -22,7 +22,7 @@
 static int
 ext4_xattr_trusted_get(const struct xattr_handler *handler,
 		       struct dentry *unused, struct inode *inode,
-		       const char *name, void *buffer, size_t size)
+		       const char *name, void *buffer, size_t size, int flags)
 {
 	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED,
 			      name, buffer, size);
diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c
index d454618..b730137 100644
--- a/fs/ext4/xattr_user.c
+++ b/fs/ext4/xattr_user.c
@@ -21,7 +21,7 @@
 static int
 ext4_xattr_user_get(const struct xattr_handler *handler,
 		    struct dentry *unused, struct inode *inode,
-		    const char *name, void *buffer, size_t size)
+		    const char *name, void *buffer, size_t size, int flags)
 {
 	if (!test_opt(inode->i_sb, XATTR_USER))
 		return -EOPNOTSUPP;
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig
index d13c5c6..03ef087 100644
--- a/fs/f2fs/Kconfig
+++ b/fs/f2fs/Kconfig
@@ -7,6 +7,14 @@
 	select CRYPTO_CRC32
 	select F2FS_FS_XATTR if FS_ENCRYPTION
 	select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
+	select FS_IOMAP
+	select LZ4_COMPRESS if F2FS_FS_LZ4
+	select LZ4_DECOMPRESS if F2FS_FS_LZ4
+	select LZ4HC_COMPRESS if F2FS_FS_LZ4HC
+	select LZO_COMPRESS if F2FS_FS_LZO
+	select LZO_DECOMPRESS if F2FS_FS_LZO
+	select ZSTD_COMPRESS if F2FS_FS_ZSTD
+	select ZSTD_DECOMPRESS if F2FS_FS_ZSTD
 	help
 	  F2FS is based on Log-structured File System (LFS), which supports
 	  versatile "flash-friendly" features. The design has been focused on
@@ -76,16 +84,6 @@
 
 	  If you want to improve the performance, say N.
 
-config F2FS_IO_TRACE
-	bool "F2FS IO tracer"
-	depends on F2FS_FS
-	depends on FUNCTION_TRACER
-	help
-	  F2FS IO trace is based on a function trace, which gathers process
-	  information and block IO patterns in the filesystem level.
-
-	  If unsure, say N.
-
 config F2FS_FAULT_INJECTION
 	bool "F2FS fault injection facility"
 	depends on F2FS_FS
@@ -104,36 +102,51 @@
 config F2FS_FS_LZO
 	bool "LZO compression support"
 	depends on F2FS_FS_COMPRESSION
-	select LZO_COMPRESS
-	select LZO_DECOMPRESS
 	default y
 	help
 	  Support LZO compress algorithm, if unsure, say Y.
 
+config F2FS_FS_LZORLE
+	bool "LZO-RLE compression support"
+	depends on F2FS_FS_LZO
+	default y
+	help
+	  Support LZO-RLE compress algorithm, if unsure, say Y.
+
 config F2FS_FS_LZ4
 	bool "LZ4 compression support"
 	depends on F2FS_FS_COMPRESSION
-	select LZ4_COMPRESS
-	select LZ4_DECOMPRESS
 	default y
 	help
 	  Support LZ4 compress algorithm, if unsure, say Y.
 
+config F2FS_FS_LZ4HC
+	bool "LZ4HC compression support"
+	depends on F2FS_FS_LZ4
+	default y
+	help
+	  Support LZ4HC compress algorithm, LZ4HC has compatible on-disk
+	  layout with LZ4, if unsure, say Y.
+
 config F2FS_FS_ZSTD
 	bool "ZSTD compression support"
 	depends on F2FS_FS_COMPRESSION
-	select ZSTD_COMPRESS
-	select ZSTD_DECOMPRESS
 	default y
 	help
 	  Support ZSTD compress algorithm, if unsure, say Y.
 
-config F2FS_FS_LZORLE
-	bool "LZO-RLE compression support"
-	depends on F2FS_FS_COMPRESSION
-	depends on F2FS_FS_LZO
-	select LZO_COMPRESS
-	select LZO_DECOMPRESS
+config F2FS_IOSTAT
+	bool "F2FS IO statistics information"
+	depends on F2FS_FS
 	default y
 	help
-	  Support LZO-RLE compress algorithm, if unsure, say Y.
+	  Support getting IO statistics through sysfs and printing out periodic
+	  IO statistics tracepoint events. You have to turn on "iostat_enable"
+	  sysfs node to enable this feature.
+
+config F2FS_UNFAIR_RWSEM
+	bool "F2FS unfair rw_semaphore"
+	depends on F2FS_FS && BLK_CGROUP
+	help
+	  Use unfair rw_semaphore, if system configured IO priority by block
+	  cgroup.
diff --git a/fs/f2fs/Makefile b/fs/f2fs/Makefile
index ee7316b..8a7322d 100644
--- a/fs/f2fs/Makefile
+++ b/fs/f2fs/Makefile
@@ -7,6 +7,6 @@
 f2fs-$(CONFIG_F2FS_STAT_FS) += debug.o
 f2fs-$(CONFIG_F2FS_FS_XATTR) += xattr.o
 f2fs-$(CONFIG_F2FS_FS_POSIX_ACL) += acl.o
-f2fs-$(CONFIG_F2FS_IO_TRACE) += trace.o
 f2fs-$(CONFIG_FS_VERITY) += verity.o
 f2fs-$(CONFIG_F2FS_FS_COMPRESSION) += compress.o
+f2fs-$(CONFIG_F2FS_IOSTAT) += iostat.o
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 3064135..b21b98f 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -29,6 +29,7 @@
 static inline int f2fs_acl_count(size_t size)
 {
 	ssize_t s;
+
 	size -= sizeof(struct f2fs_acl_header);
 	s = size - 4 * sizeof(struct f2fs_acl_entry_short);
 	if (s < 0) {
@@ -200,6 +201,27 @@
 	return __f2fs_get_acl(inode, type, NULL);
 }
 
+static int f2fs_acl_update_mode(struct inode *inode, umode_t *mode_p,
+			  struct posix_acl **acl)
+{
+	umode_t mode = inode->i_mode;
+	int error;
+
+	if (is_inode_flag_set(inode, FI_ACL_MODE))
+		mode = F2FS_I(inode)->i_acl_mode;
+
+	error = posix_acl_equiv_mode(*acl, &mode);
+	if (error < 0)
+		return error;
+	if (error == 0)
+		*acl = NULL;
+	if (!in_group_p(inode->i_gid) &&
+	    !capable_wrt_inode_uidgid(inode, CAP_FSETID))
+		mode &= ~S_ISGID;
+	*mode_p = mode;
+	return 0;
+}
+
 static int __f2fs_set_acl(struct inode *inode, int type,
 			struct posix_acl *acl, struct page *ipage)
 {
@@ -213,7 +235,7 @@
 	case ACL_TYPE_ACCESS:
 		name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS;
 		if (acl && !ipage) {
-			error = posix_acl_update_mode(inode, &mode, &acl);
+			error = f2fs_acl_update_mode(inode, &mode, &acl);
 			if (error)
 				return error;
 			set_acl_inode(inode, mode);
@@ -384,7 +406,7 @@
 							struct page *dpage)
 {
 	struct posix_acl *default_acl = NULL, *acl = NULL;
-	int error = 0;
+	int error;
 
 	error = f2fs_acl_create(dir, &inode->i_mode, &default_acl, &acl, dpage);
 	if (error)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 8ca549c..f60fad4 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -13,22 +13,29 @@
 #include <linux/f2fs_fs.h>
 #include <linux/pagevec.h>
 #include <linux/swap.h>
+#include <linux/kthread.h>
 
 #include "f2fs.h"
 #include "node.h"
 #include "segment.h"
-#include "trace.h"
+#include "iostat.h"
 #include <trace/events/f2fs.h>
 
+#define DEFAULT_CHECKPOINT_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3))
+
 static struct kmem_cache *ino_entry_slab;
 struct kmem_cache *f2fs_inode_entry_slab;
 
-void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
+void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io,
+						unsigned char reason)
 {
 	f2fs_build_fault_attr(sbi, 0, 0);
 	set_ckpt_flags(sbi, CP_ERROR_FLAG);
-	if (!end_io)
+	if (!end_io) {
 		f2fs_flush_merged_writes(sbi);
+
+		f2fs_handle_stop(sbi, reason);
+	}
 }
 
 /*
@@ -37,7 +44,7 @@
 struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
 {
 	struct address_space *mapping = META_MAPPING(sbi);
-	struct page *page = NULL;
+	struct page *page;
 repeat:
 	page = f2fs_grab_cache_page(mapping, index, false);
 	if (!page) {
@@ -95,6 +102,7 @@
 	}
 
 	if (unlikely(!PageUptodate(page))) {
+		f2fs_handle_page_eio(sbi, page->index, META);
 		f2fs_put_page(page, 1);
 		return ERR_PTR(-EIO);
 	}
@@ -118,7 +126,7 @@
 		if (PTR_ERR(page) == -EIO &&
 				++count <= DEFAULT_RETRY_IO_COUNT)
 			goto retry;
-		f2fs_stop_checkpoint(sbi, false);
+		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_META_PAGE);
 	}
 	return page;
 }
@@ -287,18 +295,22 @@
 	return blkno - start;
 }
 
-void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index)
+void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index,
+							unsigned int ra_blocks)
 {
 	struct page *page;
 	bool readahead = false;
 
+	if (ra_blocks == RECOVERY_MIN_RA_BLOCKS)
+		return;
+
 	page = find_get_page(META_MAPPING(sbi), index);
 	if (!page || !PageUptodate(page))
 		readahead = true;
 	f2fs_put_page(page, 0);
 
 	if (readahead)
-		f2fs_ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
+		f2fs_ra_meta_pages(sbi, index, ra_blocks, META_POR, true);
 }
 
 static int __f2fs_write_meta_page(struct page *page,
@@ -363,13 +375,13 @@
 		goto skip_write;
 
 	/* if locked failed, cp will flush dirty pages instead */
-	if (!mutex_trylock(&sbi->cp_mutex))
+	if (!f2fs_down_write_trylock(&sbi->cp_global_sem))
 		goto skip_write;
 
 	trace_f2fs_writepages(mapping->host, wbc, META);
 	diff = nr_pages_to_write(sbi, META, wbc);
 	written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
-	mutex_unlock(&sbi->cp_mutex);
+	f2fs_up_write(&sbi->cp_global_sem);
 	wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
 	return 0;
 
@@ -457,8 +469,7 @@
 	if (!PageDirty(page)) {
 		__set_page_dirty_nobuffers(page);
 		inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
-		f2fs_set_page_private(page, 0);
-		f2fs_trace_pid(page);
+		set_page_private_reference(page);
 		return 1;
 	}
 	return 0;
@@ -479,16 +490,29 @@
 						unsigned int devidx, int type)
 {
 	struct inode_management *im = &sbi->im[type];
-	struct ino_entry *e, *tmp;
+	struct ino_entry *e = NULL, *new = NULL;
 
-	tmp = f2fs_kmem_cache_alloc(ino_entry_slab, GFP_NOFS);
+	if (type == FLUSH_INO) {
+		rcu_read_lock();
+		e = radix_tree_lookup(&im->ino_root, ino);
+		rcu_read_unlock();
+	}
+
+retry:
+	if (!e)
+		new = f2fs_kmem_cache_alloc(ino_entry_slab,
+						GFP_NOFS, true, NULL);
 
 	radix_tree_preload(GFP_NOFS | __GFP_NOFAIL);
 
 	spin_lock(&im->ino_lock);
 	e = radix_tree_lookup(&im->ino_root, ino);
 	if (!e) {
-		e = tmp;
+		if (!new) {
+			spin_unlock(&im->ino_lock);
+			goto retry;
+		}
+		e = new;
 		if (unlikely(radix_tree_insert(&im->ino_root, ino, e)))
 			f2fs_bug_on(sbi, 1);
 
@@ -506,8 +530,8 @@
 	spin_unlock(&im->ino_lock);
 	radix_tree_preload_end();
 
-	if (e != tmp)
-		kmem_cache_free(ino_entry_slab, tmp);
+	if (new && e != new)
+		kmem_cache_free(ino_entry_slab, new);
 }
 
 static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
@@ -653,7 +677,7 @@
 		return PTR_ERR(inode);
 	}
 
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err) {
 		iput(inode);
 		goto err_out;
@@ -664,7 +688,7 @@
 	/* truncate all the data during iput */
 	iput(inode);
 
-	err = f2fs_get_node_info(sbi, ino, &ni);
+	err = f2fs_get_node_info(sbi, ino, &ni, false);
 	if (err)
 		goto err_out;
 
@@ -705,9 +729,6 @@
 	}
 
 #ifdef CONFIG_QUOTA
-	/* Needed for iput() to work correctly and not trash data */
-	sbi->sb->s_flags |= SB_ACTIVE;
-
 	/*
 	 * Turn on quotas which were not enabled for read-only mounts if
 	 * filesystem has quota feature, so that they are updated correctly.
@@ -733,6 +754,7 @@
 		orphan_blk = (struct f2fs_orphan_block *)page_address(page);
 		for (j = 0; j < le32_to_cpu(orphan_blk->entry_count); j++) {
 			nid_t ino = le32_to_cpu(orphan_blk->ino[j]);
+
 			err = recover_orphan_inode(sbi, ino);
 			if (err) {
 				f2fs_put_page(page, 1);
@@ -1033,8 +1055,7 @@
 	inode_inc_dirty_pages(inode);
 	spin_unlock(&sbi->inode_lock[type]);
 
-	f2fs_set_page_private(page, 0);
-	f2fs_trace_pid(page);
+	set_page_private_reference(page);
 }
 
 void f2fs_remove_dirty_inode(struct inode *inode)
@@ -1169,7 +1190,7 @@
 	if (!is_journalled_quota(sbi))
 		return false;
 
-	if (!down_write_trylock(&sbi->quota_sem))
+	if (!f2fs_down_write_trylock(&sbi->quota_sem))
 		return true;
 	if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)) {
 		ret = false;
@@ -1181,7 +1202,7 @@
 	} else if (get_pages(sbi, F2FS_DIRTY_QDATA)) {
 		ret = true;
 	}
-	up_write(&sbi->quota_sem);
+	f2fs_up_write(&sbi->quota_sem);
 	return ret;
 }
 
@@ -1238,10 +1259,10 @@
 	 * POR: we should ensure that there are no dirty node pages
 	 * until finishing nat/sit flush. inode->i_blocks can be updated.
 	 */
-	down_write(&sbi->node_change);
+	f2fs_down_write(&sbi->node_change);
 
 	if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
-		up_write(&sbi->node_change);
+		f2fs_up_write(&sbi->node_change);
 		f2fs_unlock_all(sbi);
 		err = f2fs_sync_inode_meta(sbi);
 		if (err)
@@ -1251,15 +1272,15 @@
 	}
 
 retry_flush_nodes:
-	down_write(&sbi->node_write);
+	f2fs_down_write(&sbi->node_write);
 
 	if (get_pages(sbi, F2FS_DIRTY_NODES)) {
-		up_write(&sbi->node_write);
+		f2fs_up_write(&sbi->node_write);
 		atomic_inc(&sbi->wb_sync_req[NODE]);
 		err = f2fs_sync_node_pages(sbi, &wbc, false, FS_CP_NODE_IO);
 		atomic_dec(&sbi->wb_sync_req[NODE]);
 		if (err) {
-			up_write(&sbi->node_change);
+			f2fs_up_write(&sbi->node_change);
 			f2fs_unlock_all(sbi);
 			return err;
 		}
@@ -1272,13 +1293,13 @@
 	 * dirty node blocks and some checkpoint values by block allocation.
 	 */
 	__prepare_cp_block(sbi);
-	up_write(&sbi->node_change);
+	f2fs_up_write(&sbi->node_change);
 	return err;
 }
 
 static void unblock_operations(struct f2fs_sb_info *sbi)
 {
-	up_write(&sbi->node_write);
+	f2fs_up_write(&sbi->node_write);
 	f2fs_unlock_all(sbi);
 }
 
@@ -1312,12 +1333,20 @@
 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
 	unsigned long flags;
 
-	spin_lock_irqsave(&sbi->cp_lock, flags);
+	if (cpc->reason & CP_UMOUNT) {
+		if (le32_to_cpu(ckpt->cp_pack_total_block_count) +
+			NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
+			clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
+			f2fs_notice(sbi, "Disable nat_bits due to no space");
+		} else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
+						f2fs_nat_bitmap_enabled(sbi)) {
+			f2fs_enable_nat_bits(sbi);
+			set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
+			f2fs_notice(sbi, "Rebuild and enable nat_bits");
+		}
+	}
 
-	if ((cpc->reason & CP_UMOUNT) &&
-			le32_to_cpu(ckpt->cp_pack_total_block_count) >
-			sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks)
-		disable_nat_bits(sbi, false);
+	spin_lock_irqsave(&sbi->cp_lock, flags);
 
 	if (cpc->reason & CP_TRIMMED)
 		__set_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
@@ -1409,6 +1438,26 @@
 	f2fs_submit_merged_write(sbi, META_FLUSH);
 }
 
+static inline u64 get_sectors_written(struct block_device *bdev)
+{
+	return (u64)part_stat_read(bdev->bd_part, sectors[STAT_WRITE]);
+}
+
+u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi)
+{
+	if (f2fs_is_multi_device(sbi)) {
+		u64 sectors = 0;
+		int i;
+
+		for (i = 0; i < sbi->s_ndevs; i++)
+			sectors += get_sectors_written(FDEV(i).bdev);
+
+		return sectors;
+	}
+
+	return get_sectors_written(sbi->sb->s_bdev);
+}
+
 static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 {
 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
@@ -1419,7 +1468,6 @@
 	__u32 crc32 = 0;
 	int i;
 	int cp_payload_blks = __cp_payload(sbi);
-	struct super_block *sb = sbi->sb;
 	struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
 	u64 kbytes_written;
 	int err;
@@ -1461,7 +1509,7 @@
 			orphan_blocks);
 
 	if (__remain_node_summaries(cpc->reason))
-		ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS+
+		ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS +
 				cp_payload_blks + data_sum_blocks +
 				orphan_blocks + NR_CURSEG_NODE_TYPE);
 	else
@@ -1484,7 +1532,8 @@
 	start_blk = __start_cp_next_addr(sbi);
 
 	/* write nat bits */
-	if (enabled_nat_bits(sbi, cpc)) {
+	if ((cpc->reason & CP_UMOUNT) &&
+			is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG)) {
 		__u64 cp_ver = cur_cp_version(ckpt);
 		block_t blk;
 
@@ -1514,9 +1563,8 @@
 
 	/* Record write statistics in the hot node summary */
 	kbytes_written = sbi->kbytes_written;
-	if (sb->s_bdev->bd_part)
-		kbytes_written += BD_PART_WRITTEN(sbi);
-
+	kbytes_written += (f2fs_get_sectors_written(sbi) -
+				sbi->sectors_written_start) >> 1;
 	seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);
 
 	if (__remain_node_summaries(cpc->reason)) {
@@ -1527,6 +1575,7 @@
 	/* update user_block_counts */
 	sbi->last_valid_block_count = sbi->total_valid_block_count;
 	percpu_counter_set(&sbi->alloc_valid_block_count, 0);
+	percpu_counter_set(&sbi->rf_node_block_count, 0);
 
 	/* Here, we have one bio having CP pack except cp pack 2 page */
 	f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
@@ -1596,7 +1645,7 @@
 		f2fs_warn(sbi, "Start checkpoint disabled!");
 	}
 	if (cpc->reason != CP_RESIZE)
-		mutex_lock(&sbi->cp_mutex);
+		f2fs_down_write(&sbi->cp_global_sem);
 
 	if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
 		((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||
@@ -1644,8 +1693,11 @@
 
 	/* write cached NAT/SIT entries to NAT/SIT area */
 	err = f2fs_flush_nat_entries(sbi, cpc);
-	if (err)
+	if (err) {
+		f2fs_err(sbi, "f2fs_flush_nat_entries failed err:%d, stop checkpoint", err);
+		f2fs_bug_on(sbi, !f2fs_cp_error(sbi));
 		goto stop;
+	}
 
 	f2fs_flush_sit_entries(sbi, cpc);
 
@@ -1653,10 +1705,13 @@
 	f2fs_save_inmem_curseg(sbi);
 
 	err = do_checkpoint(sbi, cpc);
-	if (err)
+	if (err) {
+		f2fs_err(sbi, "do_checkpoint failed err:%d, stop checkpoint", err);
+		f2fs_bug_on(sbi, !f2fs_cp_error(sbi));
 		f2fs_release_discard_addrs(sbi);
-	else
+	} else {
 		f2fs_clear_prefree_segments(sbi, cpc);
+	}
 
 	f2fs_restore_inmem_curseg(sbi);
 stop:
@@ -1671,7 +1726,7 @@
 	trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
 out:
 	if (cpc->reason != CP_RESIZE)
-		mutex_unlock(&sbi->cp_mutex);
+		f2fs_up_write(&sbi->cp_global_sem);
 	return err;
 }
 
@@ -1713,3 +1768,190 @@
 	kmem_cache_destroy(ino_entry_slab);
 	kmem_cache_destroy(f2fs_inode_entry_slab);
 }
+
+static int __write_checkpoint_sync(struct f2fs_sb_info *sbi)
+{
+	struct cp_control cpc = { .reason = CP_SYNC, };
+	int err;
+
+	f2fs_down_write(&sbi->gc_lock);
+	err = f2fs_write_checkpoint(sbi, &cpc);
+	f2fs_up_write(&sbi->gc_lock);
+
+	return err;
+}
+
+static void __checkpoint_and_complete_reqs(struct f2fs_sb_info *sbi)
+{
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+	struct ckpt_req *req, *next;
+	struct llist_node *dispatch_list;
+	u64 sum_diff = 0, diff, count = 0;
+	int ret;
+
+	dispatch_list = llist_del_all(&cprc->issue_list);
+	if (!dispatch_list)
+		return;
+	dispatch_list = llist_reverse_order(dispatch_list);
+
+	ret = __write_checkpoint_sync(sbi);
+	atomic_inc(&cprc->issued_ckpt);
+
+	llist_for_each_entry_safe(req, next, dispatch_list, llnode) {
+		diff = (u64)ktime_ms_delta(ktime_get(), req->queue_time);
+		req->ret = ret;
+		complete(&req->wait);
+
+		sum_diff += diff;
+		count++;
+	}
+	atomic_sub(count, &cprc->queued_ckpt);
+	atomic_add(count, &cprc->total_ckpt);
+
+	spin_lock(&cprc->stat_lock);
+	cprc->cur_time = (unsigned int)div64_u64(sum_diff, count);
+	if (cprc->peak_time < cprc->cur_time)
+		cprc->peak_time = cprc->cur_time;
+	spin_unlock(&cprc->stat_lock);
+}
+
+static int issue_checkpoint_thread(void *data)
+{
+	struct f2fs_sb_info *sbi = data;
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+	wait_queue_head_t *q = &cprc->ckpt_wait_queue;
+repeat:
+	if (kthread_should_stop())
+		return 0;
+
+	if (!llist_empty(&cprc->issue_list))
+		__checkpoint_and_complete_reqs(sbi);
+
+	wait_event_interruptible(*q,
+		kthread_should_stop() || !llist_empty(&cprc->issue_list));
+	goto repeat;
+}
+
+static void flush_remained_ckpt_reqs(struct f2fs_sb_info *sbi,
+		struct ckpt_req *wait_req)
+{
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+	if (!llist_empty(&cprc->issue_list)) {
+		__checkpoint_and_complete_reqs(sbi);
+	} else {
+		/* already dispatched by issue_checkpoint_thread */
+		if (wait_req)
+			wait_for_completion(&wait_req->wait);
+	}
+}
+
+static void init_ckpt_req(struct ckpt_req *req)
+{
+	memset(req, 0, sizeof(struct ckpt_req));
+
+	init_completion(&req->wait);
+	req->queue_time = ktime_get();
+}
+
+int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi)
+{
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+	struct ckpt_req req;
+	struct cp_control cpc;
+
+	cpc.reason = __get_cp_reason(sbi);
+	if (!test_opt(sbi, MERGE_CHECKPOINT) || cpc.reason != CP_SYNC) {
+		int ret;
+
+		f2fs_down_write(&sbi->gc_lock);
+		ret = f2fs_write_checkpoint(sbi, &cpc);
+		f2fs_up_write(&sbi->gc_lock);
+
+		return ret;
+	}
+
+	if (!cprc->f2fs_issue_ckpt)
+		return __write_checkpoint_sync(sbi);
+
+	init_ckpt_req(&req);
+
+	llist_add(&req.llnode, &cprc->issue_list);
+	atomic_inc(&cprc->queued_ckpt);
+
+	/*
+	 * update issue_list before we wake up issue_checkpoint thread,
+	 * this smp_mb() pairs with another barrier in ___wait_event(),
+	 * see more details in comments of waitqueue_active().
+	 */
+	smp_mb();
+
+	if (waitqueue_active(&cprc->ckpt_wait_queue))
+		wake_up(&cprc->ckpt_wait_queue);
+
+	if (cprc->f2fs_issue_ckpt)
+		wait_for_completion(&req.wait);
+	else
+		flush_remained_ckpt_reqs(sbi, &req);
+
+	return req.ret;
+}
+
+int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+	dev_t dev = sbi->sb->s_bdev->bd_dev;
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+	if (cprc->f2fs_issue_ckpt)
+		return 0;
+
+	cprc->f2fs_issue_ckpt = kthread_run(issue_checkpoint_thread, sbi,
+			"f2fs_ckpt-%u:%u", MAJOR(dev), MINOR(dev));
+	if (IS_ERR(cprc->f2fs_issue_ckpt)) {
+		cprc->f2fs_issue_ckpt = NULL;
+		return -ENOMEM;
+	}
+
+	set_task_ioprio(cprc->f2fs_issue_ckpt, cprc->ckpt_thread_ioprio);
+
+	return 0;
+}
+
+void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+	struct task_struct *ckpt_task;
+
+	if (!cprc->f2fs_issue_ckpt)
+		return;
+
+	ckpt_task = cprc->f2fs_issue_ckpt;
+	cprc->f2fs_issue_ckpt = NULL;
+	kthread_stop(ckpt_task);
+
+	f2fs_flush_ckpt_thread(sbi);
+}
+
+void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+	flush_remained_ckpt_reqs(sbi, NULL);
+
+	/* Let's wait for the previous dispatched checkpoint. */
+	while (atomic_read(&cprc->queued_ckpt))
+		io_schedule_timeout(DEFAULT_IO_TIMEOUT);
+}
+
+void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi)
+{
+	struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+	atomic_set(&cprc->issued_ckpt, 0);
+	atomic_set(&cprc->total_ckpt, 0);
+	atomic_set(&cprc->queued_ckpt, 0);
+	cprc->ckpt_thread_ioprio = DEFAULT_CHECKPOINT_IOPRIO;
+	init_waitqueue_head(&cprc->ckpt_wait_queue);
+	init_llist_head(&cprc->issue_list);
+	spin_lock_init(&cprc->stat_lock);
+}
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index a94e102..d263bc5 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -12,9 +12,11 @@
 #include <linux/lzo.h>
 #include <linux/lz4.h>
 #include <linux/zstd.h>
+#include <linux/pagevec.h>
 
 #include "f2fs.h"
 #include "node.h"
+#include "segment.h"
 #include <trace/events/f2fs.h>
 
 static struct kmem_cache *cic_entry_slab;
@@ -26,7 +28,8 @@
 	unsigned int size = sizeof(struct page *) * nr;
 
 	if (likely(size <= sbi->page_array_slab_size))
-		return kmem_cache_zalloc(sbi->page_array_slab, GFP_NOFS);
+		return f2fs_kmem_cache_alloc(sbi->page_array_slab,
+					GFP_F2FS_ZERO, false, F2FS_I_SB(inode));
 	return f2fs_kzalloc(sbi, size, GFP_NOFS);
 }
 
@@ -74,13 +77,7 @@
 		return false;
 	if (!page_private(page))
 		return false;
-	if (IS_ATOMIC_WRITTEN_PAGE(page) || IS_DUMMY_WRITTEN_PAGE(page))
-		return false;
-	/*
-	 * page->private may be set with pid.
-	 * pid_max is enough to check if it is traced.
-	 */
-	if (IS_IO_TRACED_PAGE(page))
+	if (page_private_nonpointer(page))
 		return false;
 
 	f2fs_bug_on(F2FS_M_SB(page->mapping),
@@ -91,8 +88,7 @@
 static void f2fs_set_compressed_page(struct page *page,
 		struct inode *inode, pgoff_t index, void *data)
 {
-	SetPagePrivate(page);
-	set_page_private(page, (unsigned long)data);
+	attach_page_private(page, (void *)data);
 
 	/* i_crypto_info and iv index */
 	page->index = index;
@@ -157,6 +153,7 @@
 	cc->rpages = NULL;
 	cc->nr_rpages = 0;
 	cc->nr_cpages = 0;
+	cc->valid_nr_cpages = 0;
 	if (!reuse)
 		cc->cluster_idx = NULL_CLUSTER;
 }
@@ -240,8 +237,14 @@
 #ifdef CONFIG_F2FS_FS_LZ4
 static int lz4_init_compress_ctx(struct compress_ctx *cc)
 {
-	cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode),
-				LZ4_MEM_COMPRESS, GFP_NOFS);
+	unsigned int size = LZ4_MEM_COMPRESS;
+
+#ifdef CONFIG_F2FS_FS_LZ4HC
+	if (F2FS_I(cc->inode)->i_compress_flag >> COMPRESS_LEVEL_OFFSET)
+		size = LZ4HC_MEM_COMPRESS;
+#endif
+
+	cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode), size, GFP_NOFS);
 	if (!cc->private)
 		return -ENOMEM;
 
@@ -260,10 +263,34 @@
 	cc->private = NULL;
 }
 
+#ifdef CONFIG_F2FS_FS_LZ4HC
+static int lz4hc_compress_pages(struct compress_ctx *cc)
+{
+	unsigned char level = F2FS_I(cc->inode)->i_compress_flag >>
+						COMPRESS_LEVEL_OFFSET;
+	int len;
+
+	if (level)
+		len = LZ4_compress_HC(cc->rbuf, cc->cbuf->cdata, cc->rlen,
+					cc->clen, level, cc->private);
+	else
+		len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen,
+						cc->clen, cc->private);
+	if (!len)
+		return -EAGAIN;
+
+	cc->clen = len;
+	return 0;
+}
+#endif
+
 static int lz4_compress_pages(struct compress_ctx *cc)
 {
 	int len;
 
+#ifdef CONFIG_F2FS_FS_LZ4HC
+	return lz4hc_compress_pages(cc);
+#endif
 	len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen,
 						cc->clen, cc->private);
 	if (!len)
@@ -312,8 +339,13 @@
 	ZSTD_CStream *stream;
 	void *workspace;
 	unsigned int workspace_size;
+	unsigned char level = F2FS_I(cc->inode)->i_compress_flag >>
+						COMPRESS_LEVEL_OFFSET;
 
-	params = ZSTD_getParams(F2FS_ZSTD_DEFAULT_CLEVEL, cc->rlen, 0);
+	if (!level)
+		level = F2FS_ZSTD_DEFAULT_CLEVEL;
+
+	params = ZSTD_getParams(level, cc->rlen, 0);
 	workspace_size = ZSTD_CStreamWorkspaceBound(params.cParams);
 
 	workspace = f2fs_kvmalloc(F2FS_I_SB(cc->inode),
@@ -559,8 +591,7 @@
 {
 	if (!page)
 		return;
-	set_page_private(page, (unsigned long)NULL);
-	ClearPagePrivate(page);
+	detach_page_private(page);
 	page->mapping = NULL;
 	unlock_page(page);
 	mempool_free(page, compress_page_pool);
@@ -588,7 +619,7 @@
 	const struct f2fs_compress_ops *cops =
 				f2fs_cops[fi->i_compress_algorithm];
 	unsigned int max_len, new_nr_cpages;
-	struct page **new_cpages;
+	u32 chksum = 0;
 	int i, ret;
 
 	trace_f2fs_compress_pages_start(cc->inode, cc->cluster_idx,
@@ -602,6 +633,7 @@
 
 	max_len = COMPRESS_HEADER_SIZE + cc->clen;
 	cc->nr_cpages = DIV_ROUND_UP(max_len, PAGE_SIZE);
+	cc->valid_nr_cpages = cc->nr_cpages;
 
 	cc->cpages = page_array_alloc(cc->inode, cc->nr_cpages);
 	if (!cc->cpages) {
@@ -642,18 +674,16 @@
 
 	cc->cbuf->clen = cpu_to_le32(cc->clen);
 
+	if (fi->i_compress_flag & 1 << COMPRESS_CHKSUM)
+		chksum = f2fs_crc32(F2FS_I_SB(cc->inode),
+					cc->cbuf->cdata, cc->clen);
+	cc->cbuf->chksum = cpu_to_le32(chksum);
+
 	for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++)
 		cc->cbuf->reserved[i] = cpu_to_le32(0);
 
 	new_nr_cpages = DIV_ROUND_UP(cc->clen + COMPRESS_HEADER_SIZE, PAGE_SIZE);
 
-	/* Now we're going to cut unnecessary tail pages */
-	new_cpages = page_array_alloc(cc->inode, new_nr_cpages);
-	if (!new_cpages) {
-		ret = -ENOMEM;
-		goto out_vunmap_cbuf;
-	}
-
 	/* zero out any unused part of the last page */
 	memset(&cc->cbuf->cdata[cc->clen], 0,
 			(new_nr_cpages * PAGE_SIZE) -
@@ -663,10 +693,8 @@
 	vm_unmap_ram(cc->rbuf, cc->cluster_size);
 
 	for (i = 0; i < cc->nr_cpages; i++) {
-		if (i < new_nr_cpages) {
-			new_cpages[i] = cc->cpages[i];
+		if (i < new_nr_cpages)
 			continue;
-		}
 		f2fs_compress_free_page(cc->cpages[i]);
 		cc->cpages[i] = NULL;
 	}
@@ -674,9 +702,7 @@
 	if (cops->destroy_compress_ctx)
 		cops->destroy_compress_ctx(cc);
 
-	page_array_free(cc->inode, cc->cpages, cc->nr_cpages);
-	cc->cpages = new_cpages;
-	cc->nr_cpages = new_nr_cpages;
+	cc->valid_nr_cpages = new_nr_cpages;
 
 	trace_f2fs_compress_pages_end(cc->inode, cc->cluster_idx,
 							cc->clen, ret);
@@ -702,69 +728,32 @@
 	return ret;
 }
 
-void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity)
+static int f2fs_prepare_decomp_mem(struct decompress_io_ctx *dic,
+		bool pre_alloc);
+static void f2fs_release_decomp_mem(struct decompress_io_ctx *dic,
+		bool bypass_destroy_callback, bool pre_alloc);
+
+void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task)
 {
-	struct decompress_io_ctx *dic =
-			(struct decompress_io_ctx *)page_private(page);
 	struct f2fs_sb_info *sbi = F2FS_I_SB(dic->inode);
-	struct f2fs_inode_info *fi= F2FS_I(dic->inode);
+	struct f2fs_inode_info *fi = F2FS_I(dic->inode);
 	const struct f2fs_compress_ops *cops =
 			f2fs_cops[fi->i_compress_algorithm];
+	bool bypass_callback = false;
 	int ret;
-	int i;
-
-	dec_page_count(sbi, F2FS_RD_DATA);
-
-	if (bio->bi_status || PageError(page))
-		dic->failed = true;
-
-	if (atomic_dec_return(&dic->pending_pages))
-		return;
 
 	trace_f2fs_decompress_pages_start(dic->inode, dic->cluster_idx,
 				dic->cluster_size, fi->i_compress_algorithm);
 
-	/* submit partial compressed pages */
 	if (dic->failed) {
 		ret = -EIO;
-		goto out_free_dic;
+		goto out_end_io;
 	}
 
-	dic->tpages = page_array_alloc(dic->inode, dic->cluster_size);
-	if (!dic->tpages) {
-		ret = -ENOMEM;
-		goto out_free_dic;
-	}
-
-	for (i = 0; i < dic->cluster_size; i++) {
-		if (dic->rpages[i]) {
-			dic->tpages[i] = dic->rpages[i];
-			continue;
-		}
-
-		dic->tpages[i] = f2fs_compress_alloc_page();
-		if (!dic->tpages[i]) {
-			ret = -ENOMEM;
-			goto out_free_dic;
-		}
-	}
-
-	if (cops->init_decompress_ctx) {
-		ret = cops->init_decompress_ctx(dic);
-		if (ret)
-			goto out_free_dic;
-	}
-
-	dic->rbuf = f2fs_vmap(dic->tpages, dic->cluster_size);
-	if (!dic->rbuf) {
-		ret = -ENOMEM;
-		goto destroy_decompress_ctx;
-	}
-
-	dic->cbuf = f2fs_vmap(dic->cpages, dic->nr_cpages);
-	if (!dic->cbuf) {
-		ret = -ENOMEM;
-		goto out_vunmap_rbuf;
+	ret = f2fs_prepare_decomp_mem(dic, false);
+	if (ret) {
+		bypass_callback = true;
+		goto out_release;
 	}
 
 	dic->clen = le32_to_cpu(dic->cbuf->clen);
@@ -772,27 +761,59 @@
 
 	if (dic->clen > PAGE_SIZE * dic->nr_cpages - COMPRESS_HEADER_SIZE) {
 		ret = -EFSCORRUPTED;
-		goto out_vunmap_cbuf;
+		goto out_release;
 	}
 
 	ret = cops->decompress_pages(dic);
 
-out_vunmap_cbuf:
-	vm_unmap_ram(dic->cbuf, dic->nr_cpages);
-out_vunmap_rbuf:
-	vm_unmap_ram(dic->rbuf, dic->cluster_size);
-destroy_decompress_ctx:
-	if (cops->destroy_decompress_ctx)
-		cops->destroy_decompress_ctx(dic);
-out_free_dic:
-	if (!verity)
-		f2fs_decompress_end_io(dic->rpages, dic->cluster_size,
-								ret, false);
+	if (!ret && (fi->i_compress_flag & 1 << COMPRESS_CHKSUM)) {
+		u32 provided = le32_to_cpu(dic->cbuf->chksum);
+		u32 calculated = f2fs_crc32(sbi, dic->cbuf->cdata, dic->clen);
 
+		if (provided != calculated) {
+			if (!is_inode_flag_set(dic->inode, FI_COMPRESS_CORRUPT)) {
+				set_inode_flag(dic->inode, FI_COMPRESS_CORRUPT);
+				printk_ratelimited(
+					"%sF2FS-fs (%s): checksum invalid, nid = %lu, %x vs %x",
+					KERN_INFO, sbi->sb->s_id, dic->inode->i_ino,
+					provided, calculated);
+			}
+			set_sbi_flag(sbi, SBI_NEED_FSCK);
+		}
+	}
+
+out_release:
+	f2fs_release_decomp_mem(dic, bypass_callback, false);
+
+out_end_io:
 	trace_f2fs_decompress_pages_end(dic->inode, dic->cluster_idx,
 							dic->clen, ret);
-	if (!verity)
-		f2fs_free_dic(dic);
+	f2fs_decompress_end_io(dic, ret, in_task);
+}
+
+/*
+ * This is called when a page of a compressed cluster has been read from disk
+ * (or failed to be read from disk).  It checks whether this page was the last
+ * page being waited on in the cluster, and if so, it decompresses the cluster
+ * (or in the case of a failure, cleans up without actually decompressing).
+ */
+void f2fs_end_read_compressed_page(struct page *page, bool failed,
+		block_t blkaddr, bool in_task)
+{
+	struct decompress_io_ctx *dic =
+			(struct decompress_io_ctx *)page_private(page);
+	struct f2fs_sb_info *sbi = F2FS_I_SB(dic->inode);
+
+	dec_page_count(sbi, F2FS_RD_DATA);
+
+	if (failed)
+		WRITE_ONCE(dic->failed, true);
+	else if (blkaddr && in_task)
+		f2fs_cache_compressed_page(sbi, page,
+					dic->inode->i_ino, blkaddr);
+
+	if (atomic_dec_and_test(&dic->remaining_pages))
+		f2fs_decompress_cluster(dic, in_task);
 }
 
 static bool is_page_in_cluster(struct compress_ctx *cc, pgoff_t index)
@@ -819,9 +840,27 @@
 	return is_page_in_cluster(cc, index);
 }
 
-static bool __cluster_may_compress(struct compress_ctx *cc)
+bool f2fs_all_cluster_page_loaded(struct compress_ctx *cc, struct pagevec *pvec,
+				int index, int nr_pages)
 {
-	struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode);
+	unsigned long pgidx;
+	int i;
+
+	if (nr_pages - index < cc->cluster_size)
+		return false;
+
+	pgidx = pvec->pages[index]->index;
+
+	for (i = 1; i < cc->cluster_size; i++) {
+		if (pvec->pages[index + i]->index != pgidx + i)
+			return false;
+	}
+
+	return true;
+}
+
+static bool cluster_has_invalid_data(struct compress_ctx *cc)
+{
 	loff_t i_size = i_size_read(cc->inode);
 	unsigned nr_pages = DIV_ROUND_UP(i_size, PAGE_SIZE);
 	int i;
@@ -829,39 +868,90 @@
 	for (i = 0; i < cc->cluster_size; i++) {
 		struct page *page = cc->rpages[i];
 
-		f2fs_bug_on(sbi, !page);
-
-		if (unlikely(f2fs_cp_error(sbi)))
-			return false;
-		if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
-			return false;
+		f2fs_bug_on(F2FS_I_SB(cc->inode), !page);
 
 		/* beyond EOF */
 		if (page->index >= nr_pages)
-			return false;
+			return true;
 	}
+	return false;
+}
+
+bool f2fs_sanity_check_cluster(struct dnode_of_data *dn)
+{
+	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
+	unsigned int cluster_size = F2FS_I(dn->inode)->i_cluster_size;
+	bool compressed = dn->data_blkaddr == COMPRESS_ADDR;
+	int cluster_end = 0;
+	int i;
+	char *reason = "";
+
+	if (!compressed)
+		return false;
+
+	/* [..., COMPR_ADDR, ...] */
+	if (dn->ofs_in_node % cluster_size) {
+		reason = "[*|C|*|*]";
+		goto out;
+	}
+
+	for (i = 1; i < cluster_size; i++) {
+		block_t blkaddr = data_blkaddr(dn->inode, dn->node_page,
+							dn->ofs_in_node + i);
+
+		/* [COMPR_ADDR, ..., COMPR_ADDR] */
+		if (blkaddr == COMPRESS_ADDR) {
+			reason = "[C|*|C|*]";
+			goto out;
+		}
+		if (compressed) {
+			if (!__is_valid_data_blkaddr(blkaddr)) {
+				if (!cluster_end)
+					cluster_end = i;
+				continue;
+			}
+			/* [COMPR_ADDR, NULL_ADDR or NEW_ADDR, valid_blkaddr] */
+			if (cluster_end) {
+				reason = "[C|N|N|V]";
+				goto out;
+			}
+		}
+	}
+	return false;
+out:
+	f2fs_warn(sbi, "access invalid cluster, ino:%lu, nid:%u, ofs_in_node:%u, reason:%s",
+			dn->inode->i_ino, dn->nid, dn->ofs_in_node, reason);
+	set_sbi_flag(sbi, SBI_NEED_FSCK);
 	return true;
 }
 
-static int __f2fs_cluster_blocks(struct compress_ctx *cc, bool compr)
+static int __f2fs_cluster_blocks(struct inode *inode,
+				unsigned int cluster_idx, bool compr)
 {
 	struct dnode_of_data dn;
+	unsigned int cluster_size = F2FS_I(inode)->i_cluster_size;
+	unsigned int start_idx = cluster_idx <<
+				F2FS_I(inode)->i_log_cluster_size;
 	int ret;
 
-	set_new_dnode(&dn, cc->inode, NULL, NULL, 0);
-	ret = f2fs_get_dnode_of_data(&dn, start_idx_of_cluster(cc),
-							LOOKUP_NODE);
+	set_new_dnode(&dn, inode, NULL, NULL, 0);
+	ret = f2fs_get_dnode_of_data(&dn, start_idx, LOOKUP_NODE);
 	if (ret) {
 		if (ret == -ENOENT)
 			ret = 0;
 		goto fail;
 	}
 
+	if (f2fs_sanity_check_cluster(&dn)) {
+		ret = -EFSCORRUPTED;
+		goto fail;
+	}
+
 	if (dn.data_blkaddr == COMPRESS_ADDR) {
 		int i;
 
 		ret = 1;
-		for (i = 1; i < cc->cluster_size; i++) {
+		for (i = 1; i < cluster_size; i++) {
 			block_t blkaddr;
 
 			blkaddr = data_blkaddr(dn.inode,
@@ -874,6 +964,10 @@
 					ret++;
 			}
 		}
+
+		f2fs_bug_on(F2FS_I_SB(inode),
+			!compr && ret != cluster_size &&
+			!is_inode_flag_set(inode, FI_COMPRESS_RELEASED));
 	}
 fail:
 	f2fs_put_dnode(&dn);
@@ -883,40 +977,28 @@
 /* return # of compressed blocks in compressed cluster */
 static int f2fs_compressed_blocks(struct compress_ctx *cc)
 {
-	return __f2fs_cluster_blocks(cc, true);
+	return __f2fs_cluster_blocks(cc->inode, cc->cluster_idx, true);
 }
 
 /* return # of valid blocks in compressed cluster */
-static int f2fs_cluster_blocks(struct compress_ctx *cc)
-{
-	return __f2fs_cluster_blocks(cc, false);
-}
-
 int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index)
 {
-	struct compress_ctx cc = {
-		.inode = inode,
-		.log_cluster_size = F2FS_I(inode)->i_log_cluster_size,
-		.cluster_size = F2FS_I(inode)->i_cluster_size,
-		.cluster_idx = index >> F2FS_I(inode)->i_log_cluster_size,
-	};
-
-	return f2fs_cluster_blocks(&cc);
+	return __f2fs_cluster_blocks(inode,
+		index >> F2FS_I(inode)->i_log_cluster_size,
+		false);
 }
 
 static bool cluster_may_compress(struct compress_ctx *cc)
 {
-	if (!f2fs_compressed_file(cc->inode))
+	if (!f2fs_need_compress_data(cc->inode))
 		return false;
 	if (f2fs_is_atomic_file(cc->inode))
 		return false;
-	if (f2fs_is_mmap_file(cc->inode))
-		return false;
 	if (!f2fs_cluster_is_full(cc))
 		return false;
 	if (unlikely(f2fs_cp_error(F2FS_I_SB(cc->inode))))
 		return false;
-	return __cluster_may_compress(cc);
+	return !cluster_has_invalid_data(cc);
 }
 
 static void set_cluster_writeback(struct compress_ctx *cc)
@@ -944,21 +1026,16 @@
 	struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode);
 	struct address_space *mapping = cc->inode->i_mapping;
 	struct page *page;
-	struct dnode_of_data dn;
 	sector_t last_block_in_bio;
 	unsigned fgp_flag = FGP_LOCK | FGP_WRITE | FGP_CREAT;
 	pgoff_t start_idx = start_idx_of_cluster(cc);
 	int i, ret;
-	bool prealloc;
 
 retry:
-	ret = f2fs_cluster_blocks(cc);
+	ret = f2fs_is_compressed_cluster(cc->inode, start_idx);
 	if (ret <= 0)
 		return ret;
 
-	/* compressed case */
-	prealloc = (ret < cc->cluster_size);
-
 	ret = f2fs_init_compress_ctx(cc);
 	if (ret)
 		return ret;
@@ -1016,25 +1093,6 @@
 		}
 	}
 
-	if (prealloc) {
-		f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true);
-
-		set_new_dnode(&dn, cc->inode, NULL, NULL, 0);
-
-		for (i = cc->cluster_size - 1; i > 0; i--) {
-			ret = f2fs_get_block(&dn, start_idx + i);
-			if (ret) {
-				i = cc->cluster_size;
-				break;
-			}
-
-			if (dn.data_blkaddr != NEW_ADDR)
-				break;
-		}
-
-		f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false);
-	}
-
 	if (likely(!ret)) {
 		*fsdata = cc->rpages;
 		*pagep = cc->rpages[offset_in_cluster(cc, index)];
@@ -1165,13 +1223,19 @@
 	loff_t psize;
 	int i, err;
 
+	/* we should bypass data pages to proceed the kworkder jobs */
+	if (unlikely(f2fs_cp_error(sbi))) {
+		mapping_set_error(cc->rpages[0]->mapping, -EIO);
+		goto out_free;
+	}
+
 	if (IS_NOQUOTA(inode)) {
 		/*
 		 * We need to wait for node_write to avoid block allocation during
 		 * checkpoint. This can only happen to quota writes which can cause
 		 * the below discard race condition.
 		 */
-		down_read(&sbi->node_write);
+		f2fs_down_read(&sbi->node_write);
 	} else if (!f2fs_trylock_op(sbi)) {
 		goto out_free;
 	}
@@ -1190,26 +1254,26 @@
 
 	psize = (loff_t)(cc->rpages[last_index]->index + 1) << PAGE_SHIFT;
 
-	err = f2fs_get_node_info(fio.sbi, dn.nid, &ni);
+	err = f2fs_get_node_info(fio.sbi, dn.nid, &ni, false);
 	if (err)
 		goto out_put_dnode;
 
 	fio.version = ni.version;
 
-	cic = kmem_cache_zalloc(cic_entry_slab, GFP_NOFS);
+	cic = f2fs_kmem_cache_alloc(cic_entry_slab, GFP_F2FS_ZERO, false, sbi);
 	if (!cic)
 		goto out_put_dnode;
 
 	cic->magic = F2FS_COMPRESSED_PAGE_MAGIC;
 	cic->inode = inode;
-	atomic_set(&cic->pending_pages, cc->nr_cpages);
+	atomic_set(&cic->pending_pages, cc->valid_nr_cpages);
 	cic->rpages = page_array_alloc(cc->inode, cc->cluster_size);
 	if (!cic->rpages)
 		goto out_put_cic;
 
 	cic->nr_rpages = cc->cluster_size;
 
-	for (i = 0; i < cc->nr_cpages; i++) {
+	for (i = 0; i < cc->valid_nr_cpages; i++) {
 		f2fs_set_compressed_page(cc->cpages[i], inode,
 					cc->rpages[i + 1]->index, cic);
 		fio.compressed_page = cc->cpages[i];
@@ -1254,7 +1318,7 @@
 		if (fio.compr_blocks && __is_valid_data_blkaddr(blkaddr))
 			fio.compr_blocks++;
 
-		if (i > cc->nr_cpages) {
+		if (i > cc->valid_nr_cpages) {
 			if (__is_valid_data_blkaddr(blkaddr)) {
 				f2fs_invalidate_blocks(sbi, blkaddr);
 				f2fs_update_data_blkaddr(&dn, NEW_ADDR);
@@ -1279,7 +1343,8 @@
 
 	if (fio.compr_blocks)
 		f2fs_i_compr_blocks_update(inode, fio.compr_blocks - 1, false);
-	f2fs_i_compr_blocks_update(inode, cc->nr_cpages, true);
+	f2fs_i_compr_blocks_update(inode, cc->valid_nr_cpages, true);
+	add_compr_block_stat(inode, cc->valid_nr_cpages);
 
 	set_inode_flag(cc->inode, FI_APPEND_WRITE);
 	if (cc->cluster_idx == 0)
@@ -1287,7 +1352,7 @@
 
 	f2fs_put_dnode(&dn);
 	if (IS_NOQUOTA(inode))
-		up_read(&sbi->node_write);
+		f2fs_up_read(&sbi->node_write);
 	else
 		f2fs_unlock_op(sbi);
 
@@ -1313,13 +1378,11 @@
 	f2fs_put_dnode(&dn);
 out_unlock_op:
 	if (IS_NOQUOTA(inode))
-		up_read(&sbi->node_write);
+		f2fs_up_read(&sbi->node_write);
 	else
 		f2fs_unlock_op(sbi);
 out_free:
-	for (i = 0; i < cc->nr_cpages; i++) {
-		if (!cc->cpages[i])
-			continue;
+	for (i = 0; i < cc->valid_nr_cpages; i++) {
 		f2fs_compress_free_page(cc->cpages[i]);
 		cc->cpages[i] = NULL;
 	}
@@ -1347,7 +1410,7 @@
 
 	for (i = 0; i < cic->nr_rpages; i++) {
 		WARN_ON(!cic->rpages[i]);
-		clear_cold_data(cic->rpages[i]);
+		clear_page_private_gcing(cic->rpages[i]);
 		end_page_writeback(cic->rpages[i]);
 	}
 
@@ -1416,9 +1479,7 @@
 				if (IS_NOQUOTA(cc->inode))
 					return 0;
 				ret = 0;
-				cond_resched();
-				congestion_wait(BLK_RW_ASYNC,
-						DEFAULT_IO_TIMEOUT);
+				f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 				goto retry_write;
 			}
 			return ret;
@@ -1443,6 +1504,7 @@
 	if (cluster_may_compress(cc)) {
 		err = f2fs_compress_pages(cc);
 		if (err == -EAGAIN) {
+			add_compr_block_stat(cc->inode, cc->cluster_size);
 			goto write;
 		} else if (err) {
 			f2fs_put_rpages_wbc(cc, wbc, true, 1);
@@ -1465,13 +1527,85 @@
 	return err;
 }
 
+static inline bool allow_memalloc_for_decomp(struct f2fs_sb_info *sbi,
+		bool pre_alloc)
+{
+	return pre_alloc ^ f2fs_low_mem_mode(sbi);
+}
+
+static int f2fs_prepare_decomp_mem(struct decompress_io_ctx *dic,
+		bool pre_alloc)
+{
+	const struct f2fs_compress_ops *cops =
+		f2fs_cops[F2FS_I(dic->inode)->i_compress_algorithm];
+	int i;
+
+	if (!allow_memalloc_for_decomp(F2FS_I_SB(dic->inode), pre_alloc))
+		return 0;
+
+	dic->tpages = page_array_alloc(dic->inode, dic->cluster_size);
+	if (!dic->tpages)
+		return -ENOMEM;
+
+	for (i = 0; i < dic->cluster_size; i++) {
+		if (dic->rpages[i]) {
+			dic->tpages[i] = dic->rpages[i];
+			continue;
+		}
+
+		dic->tpages[i] = f2fs_compress_alloc_page();
+		if (!dic->tpages[i])
+			return -ENOMEM;
+	}
+
+	dic->rbuf = f2fs_vmap(dic->tpages, dic->cluster_size);
+	if (!dic->rbuf)
+		return -ENOMEM;
+
+	dic->cbuf = f2fs_vmap(dic->cpages, dic->nr_cpages);
+	if (!dic->cbuf)
+		return -ENOMEM;
+
+	if (cops->init_decompress_ctx) {
+		int ret = cops->init_decompress_ctx(dic);
+
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static void f2fs_release_decomp_mem(struct decompress_io_ctx *dic,
+		bool bypass_destroy_callback, bool pre_alloc)
+{
+	const struct f2fs_compress_ops *cops =
+		f2fs_cops[F2FS_I(dic->inode)->i_compress_algorithm];
+
+	if (!allow_memalloc_for_decomp(F2FS_I_SB(dic->inode), pre_alloc))
+		return;
+
+	if (!bypass_destroy_callback && cops->destroy_decompress_ctx)
+		cops->destroy_decompress_ctx(dic);
+
+	if (dic->cbuf)
+		vm_unmap_ram(dic->cbuf, dic->nr_cpages);
+
+	if (dic->rbuf)
+		vm_unmap_ram(dic->rbuf, dic->cluster_size);
+}
+
+static void f2fs_free_dic(struct decompress_io_ctx *dic,
+		bool bypass_destroy_callback);
+
 struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
 {
 	struct decompress_io_ctx *dic;
 	pgoff_t start_idx = start_idx_of_cluster(cc);
-	int i;
+	struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode);
+	int i, ret;
 
-	dic = kmem_cache_zalloc(dic_entry_slab, GFP_NOFS);
+	dic = f2fs_kmem_cache_alloc(dic_entry_slab, GFP_F2FS_ZERO, false, sbi);
 	if (!dic)
 		return ERR_PTR(-ENOMEM);
 
@@ -1483,44 +1617,57 @@
 
 	dic->magic = F2FS_COMPRESSED_PAGE_MAGIC;
 	dic->inode = cc->inode;
-	atomic_set(&dic->pending_pages, cc->nr_cpages);
+	atomic_set(&dic->remaining_pages, cc->nr_cpages);
 	dic->cluster_idx = cc->cluster_idx;
 	dic->cluster_size = cc->cluster_size;
 	dic->log_cluster_size = cc->log_cluster_size;
 	dic->nr_cpages = cc->nr_cpages;
+	refcount_set(&dic->refcnt, 1);
 	dic->failed = false;
+	dic->need_verity = f2fs_need_verity(cc->inode, start_idx);
 
 	for (i = 0; i < dic->cluster_size; i++)
 		dic->rpages[i] = cc->rpages[i];
 	dic->nr_rpages = cc->cluster_size;
 
 	dic->cpages = page_array_alloc(dic->inode, dic->nr_cpages);
-	if (!dic->cpages)
+	if (!dic->cpages) {
+		ret = -ENOMEM;
 		goto out_free;
+	}
 
 	for (i = 0; i < dic->nr_cpages; i++) {
 		struct page *page;
 
 		page = f2fs_compress_alloc_page();
-		if (!page)
+		if (!page) {
+			ret = -ENOMEM;
 			goto out_free;
+		}
 
 		f2fs_set_compressed_page(page, cc->inode,
 					start_idx + i + 1, dic);
 		dic->cpages[i] = page;
 	}
 
+	ret = f2fs_prepare_decomp_mem(dic, true);
+	if (ret)
+		goto out_free;
+
 	return dic;
 
 out_free:
-	f2fs_free_dic(dic);
-	return ERR_PTR(-ENOMEM);
+	f2fs_free_dic(dic, true);
+	return ERR_PTR(ret);
 }
 
-void f2fs_free_dic(struct decompress_io_ctx *dic)
+static void f2fs_free_dic(struct decompress_io_ctx *dic,
+		bool bypass_destroy_callback)
 {
 	int i;
 
+	f2fs_release_decomp_mem(dic, bypass_destroy_callback, true);
+
 	if (dic->tpages) {
 		for (i = 0; i < dic->cluster_size; i++) {
 			if (dic->rpages[i])
@@ -1545,30 +1692,287 @@
 	kmem_cache_free(dic_entry_slab, dic);
 }
 
-void f2fs_decompress_end_io(struct page **rpages,
-			unsigned int cluster_size, bool err, bool verity)
+static void f2fs_late_free_dic(struct work_struct *work)
+{
+	struct decompress_io_ctx *dic =
+		container_of(work, struct decompress_io_ctx, free_work);
+
+	f2fs_free_dic(dic, false);
+}
+
+static void f2fs_put_dic(struct decompress_io_ctx *dic, bool in_task)
+{
+	if (refcount_dec_and_test(&dic->refcnt)) {
+		if (in_task) {
+			f2fs_free_dic(dic, false);
+		} else {
+			INIT_WORK(&dic->free_work, f2fs_late_free_dic);
+			queue_work(F2FS_I_SB(dic->inode)->post_read_wq,
+					&dic->free_work);
+		}
+	}
+}
+
+/*
+ * Update and unlock the cluster's pagecache pages, and release the reference to
+ * the decompress_io_ctx that was being held for I/O completion.
+ */
+static void __f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed,
+				bool in_task)
 {
 	int i;
 
-	for (i = 0; i < cluster_size; i++) {
-		struct page *rpage = rpages[i];
+	for (i = 0; i < dic->cluster_size; i++) {
+		struct page *rpage = dic->rpages[i];
 
 		if (!rpage)
 			continue;
 
-		if (err || PageError(rpage))
-			goto clear_uptodate;
-
-		if (!verity || fsverity_verify_page(rpage)) {
+		/* PG_error was set if verity failed. */
+		if (failed || PageError(rpage)) {
+			ClearPageUptodate(rpage);
+			/* will re-read again later */
+			ClearPageError(rpage);
+		} else {
 			SetPageUptodate(rpage);
-			goto unlock;
 		}
-clear_uptodate:
-		ClearPageUptodate(rpage);
-		ClearPageError(rpage);
-unlock:
 		unlock_page(rpage);
 	}
+
+	f2fs_put_dic(dic, in_task);
+}
+
+static void f2fs_verify_cluster(struct work_struct *work)
+{
+	struct decompress_io_ctx *dic =
+		container_of(work, struct decompress_io_ctx, verity_work);
+	int i;
+
+	/* Verify the cluster's decompressed pages with fs-verity. */
+	for (i = 0; i < dic->cluster_size; i++) {
+		struct page *rpage = dic->rpages[i];
+
+		if (rpage && !fsverity_verify_page(rpage))
+			SetPageError(rpage);
+	}
+
+	__f2fs_decompress_end_io(dic, false, true);
+}
+
+/*
+ * This is called when a compressed cluster has been decompressed
+ * (or failed to be read and/or decompressed).
+ */
+void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed,
+				bool in_task)
+{
+	if (!failed && dic->need_verity) {
+		/*
+		 * Note that to avoid deadlocks, the verity work can't be done
+		 * on the decompression workqueue.  This is because verifying
+		 * the data pages can involve reading metadata pages from the
+		 * file, and these metadata pages may be compressed.
+		 */
+		INIT_WORK(&dic->verity_work, f2fs_verify_cluster);
+		fsverity_enqueue_verify_work(&dic->verity_work);
+	} else {
+		__f2fs_decompress_end_io(dic, failed, in_task);
+	}
+}
+
+/*
+ * Put a reference to a compressed page's decompress_io_ctx.
+ *
+ * This is called when the page is no longer needed and can be freed.
+ */
+void f2fs_put_page_dic(struct page *page, bool in_task)
+{
+	struct decompress_io_ctx *dic =
+			(struct decompress_io_ctx *)page_private(page);
+
+	f2fs_put_dic(dic, in_task);
+}
+
+/*
+ * check whether cluster blocks are contiguous, and add extent cache entry
+ * only if cluster blocks are logically and physically contiguous.
+ */
+unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn)
+{
+	bool compressed = f2fs_data_blkaddr(dn) == COMPRESS_ADDR;
+	int i = compressed ? 1 : 0;
+	block_t first_blkaddr = data_blkaddr(dn->inode, dn->node_page,
+						dn->ofs_in_node + i);
+
+	for (i += 1; i < F2FS_I(dn->inode)->i_cluster_size; i++) {
+		block_t blkaddr = data_blkaddr(dn->inode, dn->node_page,
+						dn->ofs_in_node + i);
+
+		if (!__is_valid_data_blkaddr(blkaddr))
+			break;
+		if (first_blkaddr + i - (compressed ? 1 : 0) != blkaddr)
+			return 0;
+	}
+
+	return compressed ? i - 1 : i;
+}
+
+const struct address_space_operations f2fs_compress_aops = {
+	.releasepage = f2fs_release_page,
+	.invalidatepage = f2fs_invalidate_page,
+};
+
+struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi)
+{
+	return sbi->compress_inode->i_mapping;
+}
+
+void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr)
+{
+	if (!sbi->compress_inode)
+		return;
+	invalidate_mapping_pages(COMPRESS_MAPPING(sbi), blkaddr, blkaddr);
+}
+
+void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+						nid_t ino, block_t blkaddr)
+{
+	struct page *cpage;
+	int ret;
+
+	if (!test_opt(sbi, COMPRESS_CACHE))
+		return;
+
+	if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE_READ))
+		return;
+
+	if (!f2fs_available_free_memory(sbi, COMPRESS_PAGE))
+		return;
+
+	cpage = find_get_page(COMPRESS_MAPPING(sbi), blkaddr);
+	if (cpage) {
+		f2fs_put_page(cpage, 0);
+		return;
+	}
+
+	cpage = alloc_page(__GFP_NOWARN | __GFP_IO);
+	if (!cpage)
+		return;
+
+	ret = add_to_page_cache_lru(cpage, COMPRESS_MAPPING(sbi),
+						blkaddr, GFP_NOFS);
+	if (ret) {
+		f2fs_put_page(cpage, 0);
+		return;
+	}
+
+	set_page_private_data(cpage, ino);
+
+	if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE_READ))
+		goto out;
+
+	memcpy(page_address(cpage), page_address(page), PAGE_SIZE);
+	SetPageUptodate(cpage);
+out:
+	f2fs_put_page(cpage, 1);
+}
+
+bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+								block_t blkaddr)
+{
+	struct page *cpage;
+	bool hitted = false;
+
+	if (!test_opt(sbi, COMPRESS_CACHE))
+		return false;
+
+	cpage = f2fs_pagecache_get_page(COMPRESS_MAPPING(sbi),
+				blkaddr, FGP_LOCK | FGP_NOWAIT, GFP_NOFS);
+	if (cpage) {
+		if (PageUptodate(cpage)) {
+			atomic_inc(&sbi->compress_page_hit);
+			memcpy(page_address(page),
+				page_address(cpage), PAGE_SIZE);
+			hitted = true;
+		}
+		f2fs_put_page(cpage, 1);
+	}
+
+	return hitted;
+}
+
+void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino)
+{
+	struct address_space *mapping = sbi->compress_inode->i_mapping;
+	struct pagevec pvec;
+	pgoff_t index = 0;
+	pgoff_t end = MAX_BLKADDR(sbi);
+
+	if (!mapping->nrpages)
+		return;
+
+	pagevec_init(&pvec);
+
+	do {
+		unsigned int nr_pages;
+		int i;
+
+		nr_pages = pagevec_lookup_range(&pvec, mapping,
+						&index, end - 1);
+		if (!nr_pages)
+			break;
+
+		for (i = 0; i < nr_pages; i++) {
+			struct page *page = pvec.pages[i];
+
+			if (page->index > end)
+				break;
+
+			lock_page(page);
+			if (page->mapping != mapping) {
+				unlock_page(page);
+				continue;
+			}
+
+			if (ino != get_page_private_data(page)) {
+				unlock_page(page);
+				continue;
+			}
+
+			generic_error_remove_page(mapping, page);
+			unlock_page(page);
+		}
+		pagevec_release(&pvec);
+		cond_resched();
+	} while (index < end);
+}
+
+int f2fs_init_compress_inode(struct f2fs_sb_info *sbi)
+{
+	struct inode *inode;
+
+	if (!test_opt(sbi, COMPRESS_CACHE))
+		return 0;
+
+	inode = f2fs_iget(sbi->sb, F2FS_COMPRESS_INO(sbi));
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+	sbi->compress_inode = inode;
+
+	sbi->compress_percent = COMPRESS_PERCENT;
+	sbi->compress_watermark = COMPRESS_WATERMARK;
+
+	atomic_set(&sbi->compress_page_hit, 0);
+
+	return 0;
+}
+
+void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi)
+{
+	if (!sbi->compress_inode)
+		return;
+	iput(sbi->compress_inode);
+	sbi->compress_inode = NULL;
 }
 
 int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index e0533cf..e4a7b2d8 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -21,12 +21,14 @@
 #include <linux/cleancache.h>
 #include <linux/sched/signal.h>
 #include <linux/fiemap.h>
+#include <linux/iomap.h>
 
 #include "f2fs.h"
 #include "node.h"
 #include "segment.h"
-#include "trace.h"
+#include "iostat.h"
 #include <trace/events/f2fs.h>
+#include <trace/events/android_fs.h>
 
 #define NUM_PREALLOC_POST_READ_CTXS	128
 
@@ -50,27 +52,6 @@
 	bioset_exit(&f2fs_bioset);
 }
 
-static inline struct bio *__f2fs_bio_alloc(gfp_t gfp_mask,
-						unsigned int nr_iovecs)
-{
-	return bio_alloc_bioset(gfp_mask, nr_iovecs, &f2fs_bioset);
-}
-
-struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool noio)
-{
-	if (noio) {
-		/* No failure on bio allocation */
-		return __f2fs_bio_alloc(GFP_NOIO, npages);
-	}
-
-	if (time_to_inject(sbi, FAULT_ALLOC_BIO)) {
-		f2fs_show_injection_info(sbi, FAULT_ALLOC_BIO);
-		return NULL;
-	}
-
-	return __f2fs_bio_alloc(GFP_KERNEL, npages);
-}
-
 static bool __is_cp_guaranteed(struct page *page)
 {
 	struct address_space *mapping = page->mapping;
@@ -80,18 +61,19 @@
 	if (!mapping)
 		return false;
 
-	if (f2fs_is_compressed_page(page))
-		return false;
-
 	inode = mapping->host;
 	sbi = F2FS_I_SB(inode);
 
 	if (inode->i_ino == F2FS_META_INO(sbi) ||
 			inode->i_ino == F2FS_NODE_INO(sbi) ||
-			S_ISDIR(inode->i_mode) ||
-			(S_ISREG(inode->i_mode) &&
+			S_ISDIR(inode->i_mode))
+		return true;
+
+	if (f2fs_is_compressed_page(page))
+		return false;
+	if ((S_ISREG(inode->i_mode) &&
 			(f2fs_is_atomic_file(inode) || IS_NOQUOTA(inode))) ||
-			is_cold_data(page))
+			page_private_gcing(page))
 		return true;
 	return false;
 }
@@ -115,10 +97,21 @@
 
 /* postprocessing steps for read bios */
 enum bio_post_read_step {
-	STEP_DECRYPT,
-	STEP_DECOMPRESS_NOWQ,		/* handle normal cluster data inplace */
-	STEP_DECOMPRESS,		/* handle compressed cluster data in workqueue */
-	STEP_VERITY,
+#ifdef CONFIG_FS_ENCRYPTION
+	STEP_DECRYPT	= 1 << 0,
+#else
+	STEP_DECRYPT	= 0,	/* compile out the decryption-related code */
+#endif
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	STEP_DECOMPRESS	= 1 << 1,
+#else
+	STEP_DECOMPRESS	= 0,	/* compile out the decompression-related code */
+#endif
+#ifdef CONFIG_FS_VERITY
+	STEP_VERITY	= 1 << 2,
+#else
+	STEP_VERITY	= 0,	/* compile out the verity-related code */
+#endif
 };
 
 struct bio_post_read_ctx {
@@ -126,27 +119,30 @@
 	struct f2fs_sb_info *sbi;
 	struct work_struct work;
 	unsigned int enabled_steps;
+	block_t fs_blkaddr;
 };
 
-static void __read_end_io(struct bio *bio, bool compr, bool verity)
+static void f2fs_finish_read_bio(struct bio *bio, bool in_task)
 {
-	struct page *page;
 	struct bio_vec *bv;
 	struct bvec_iter_all iter_all;
 
+	/*
+	 * Update and unlock the bio's pagecache pages, and put the
+	 * decompression context for any compressed pages.
+	 */
 	bio_for_each_segment_all(bv, bio, iter_all) {
-		page = bv->bv_page;
+		struct page *page = bv->bv_page;
 
-#ifdef CONFIG_F2FS_FS_COMPRESSION
-		if (compr && f2fs_is_compressed_page(page)) {
-			f2fs_decompress_pages(bio, page, verity);
+		if (f2fs_is_compressed_page(page)) {
+			if (bio->bi_status)
+				f2fs_end_read_compressed_page(page, true, 0,
+							in_task);
+			f2fs_put_page_dic(page, in_task);
 			continue;
 		}
-		if (verity)
-			continue;
-#endif
 
-		/* PG_error was set if any post_read step failed */
+		/* PG_error was set if decryption or verity failed. */
 		if (bio->bi_status || PageError(page)) {
 			ClearPageUptodate(page);
 			/* will re-read again later */
@@ -157,106 +153,109 @@
 		dec_page_count(F2FS_P_SB(page), __read_io_type(page));
 		unlock_page(page);
 	}
+
+	if (bio->bi_private)
+		mempool_free(bio->bi_private, bio_post_read_ctx_pool);
+	bio_put(bio);
 }
 
-static void f2fs_release_read_bio(struct bio *bio);
-static void __f2fs_read_end_io(struct bio *bio, bool compr, bool verity)
-{
-	if (!compr)
-		__read_end_io(bio, false, verity);
-	f2fs_release_read_bio(bio);
-}
-
-static void f2fs_decompress_bio(struct bio *bio, bool verity)
-{
-	__read_end_io(bio, true, verity);
-}
-
-static void bio_post_read_processing(struct bio_post_read_ctx *ctx);
-
-static void f2fs_decrypt_work(struct bio_post_read_ctx *ctx)
-{
-	fscrypt_decrypt_bio(ctx->bio);
-}
-
-static void f2fs_decompress_work(struct bio_post_read_ctx *ctx)
-{
-	f2fs_decompress_bio(ctx->bio, ctx->enabled_steps & (1 << STEP_VERITY));
-}
-
-#ifdef CONFIG_F2FS_FS_COMPRESSION
-static void f2fs_verify_pages(struct page **rpages, unsigned int cluster_size)
-{
-	f2fs_decompress_end_io(rpages, cluster_size, false, true);
-}
-
-static void f2fs_verify_bio(struct bio *bio)
-{
-	struct bio_vec *bv;
-	struct bvec_iter_all iter_all;
-
-	bio_for_each_segment_all(bv, bio, iter_all) {
-		struct page *page = bv->bv_page;
-		struct decompress_io_ctx *dic;
-
-		dic = (struct decompress_io_ctx *)page_private(page);
-
-		if (dic) {
-			if (atomic_dec_return(&dic->verity_pages))
-				continue;
-			f2fs_verify_pages(dic->rpages,
-						dic->cluster_size);
-			f2fs_free_dic(dic);
-			continue;
-		}
-
-		if (bio->bi_status || PageError(page))
-			goto clear_uptodate;
-
-		if (fsverity_verify_page(page)) {
-			SetPageUptodate(page);
-			goto unlock;
-		}
-clear_uptodate:
-		ClearPageUptodate(page);
-		ClearPageError(page);
-unlock:
-		dec_page_count(F2FS_P_SB(page), __read_io_type(page));
-		unlock_page(page);
-	}
-}
-#endif
-
-static void f2fs_verity_work(struct work_struct *work)
+static void f2fs_verify_bio(struct work_struct *work)
 {
 	struct bio_post_read_ctx *ctx =
 		container_of(work, struct bio_post_read_ctx, work);
 	struct bio *bio = ctx->bio;
-#ifdef CONFIG_F2FS_FS_COMPRESSION
-	unsigned int enabled_steps = ctx->enabled_steps;
-#endif
+	bool may_have_compressed_pages = (ctx->enabled_steps & STEP_DECOMPRESS);
 
 	/*
 	 * fsverity_verify_bio() may call readpages() again, and while verity
-	 * will be disabled for this, decryption may still be needed, resulting
-	 * in another bio_post_read_ctx being allocated.  So to prevent
-	 * deadlocks we need to release the current ctx to the mempool first.
-	 * This assumes that verity is the last post-read step.
+	 * will be disabled for this, decryption and/or decompression may still
+	 * be needed, resulting in another bio_post_read_ctx being allocated.
+	 * So to prevent deadlocks we need to release the current ctx to the
+	 * mempool first.  This assumes that verity is the last post-read step.
 	 */
 	mempool_free(ctx, bio_post_read_ctx_pool);
 	bio->bi_private = NULL;
 
-#ifdef CONFIG_F2FS_FS_COMPRESSION
-	/* previous step is decompression */
-	if (enabled_steps & (1 << STEP_DECOMPRESS)) {
-		f2fs_verify_bio(bio);
-		f2fs_release_read_bio(bio);
-		return;
-	}
-#endif
+	/*
+	 * Verify the bio's pages with fs-verity.  Exclude compressed pages,
+	 * as those were handled separately by f2fs_end_read_compressed_page().
+	 */
+	if (may_have_compressed_pages) {
+		struct bio_vec *bv;
+		struct bvec_iter_all iter_all;
 
-	fsverity_verify_bio(bio);
-	__f2fs_read_end_io(bio, false, false);
+		bio_for_each_segment_all(bv, bio, iter_all) {
+			struct page *page = bv->bv_page;
+
+			if (!f2fs_is_compressed_page(page) &&
+			    !PageError(page) && !fsverity_verify_page(page))
+				SetPageError(page);
+		}
+	} else {
+		fsverity_verify_bio(bio);
+	}
+
+	f2fs_finish_read_bio(bio, true);
+}
+
+/*
+ * If the bio's data needs to be verified with fs-verity, then enqueue the
+ * verity work for the bio.  Otherwise finish the bio now.
+ *
+ * Note that to avoid deadlocks, the verity work can't be done on the
+ * decryption/decompression workqueue.  This is because verifying the data pages
+ * can involve reading verity metadata pages from the file, and these verity
+ * metadata pages may be encrypted and/or compressed.
+ */
+static void f2fs_verify_and_finish_bio(struct bio *bio, bool in_task)
+{
+	struct bio_post_read_ctx *ctx = bio->bi_private;
+
+	if (ctx && (ctx->enabled_steps & STEP_VERITY)) {
+		INIT_WORK(&ctx->work, f2fs_verify_bio);
+		fsverity_enqueue_verify_work(&ctx->work);
+	} else {
+		f2fs_finish_read_bio(bio, in_task);
+	}
+}
+
+/*
+ * Handle STEP_DECOMPRESS by decompressing any compressed clusters whose last
+ * remaining page was read by @ctx->bio.
+ *
+ * Note that a bio may span clusters (even a mix of compressed and uncompressed
+ * clusters) or be for just part of a cluster.  STEP_DECOMPRESS just indicates
+ * that the bio includes at least one compressed page.  The actual decompression
+ * is done on a per-cluster basis, not a per-bio basis.
+ */
+static void f2fs_handle_step_decompress(struct bio_post_read_ctx *ctx,
+		bool in_task)
+{
+	struct bio_vec *bv;
+	struct bvec_iter_all iter_all;
+	bool all_compressed = true;
+	block_t blkaddr = ctx->fs_blkaddr;
+
+	bio_for_each_segment_all(bv, ctx->bio, iter_all) {
+		struct page *page = bv->bv_page;
+
+		/* PG_error was set if decryption failed. */
+		if (f2fs_is_compressed_page(page))
+			f2fs_end_read_compressed_page(page, PageError(page),
+						blkaddr, in_task);
+		else
+			all_compressed = false;
+
+		blkaddr++;
+	}
+
+	/*
+	 * Optimization: if all the bio's pages are compressed, then scheduling
+	 * the per-bio verity work is unnecessary, as verity will be fully
+	 * handled at the compression cluster level.
+	 */
+	if (all_compressed)
+		ctx->enabled_steps &= ~STEP_VERITY;
 }
 
 static void f2fs_post_read_work(struct work_struct *work)
@@ -264,82 +263,64 @@
 	struct bio_post_read_ctx *ctx =
 		container_of(work, struct bio_post_read_ctx, work);
 
-	if (ctx->enabled_steps & (1 << STEP_DECRYPT))
-		f2fs_decrypt_work(ctx);
+	if (ctx->enabled_steps & STEP_DECRYPT)
+		fscrypt_decrypt_bio(ctx->bio);
 
-	if (ctx->enabled_steps & (1 << STEP_DECOMPRESS))
-		f2fs_decompress_work(ctx);
+	if (ctx->enabled_steps & STEP_DECOMPRESS)
+		f2fs_handle_step_decompress(ctx, true);
 
-	if (ctx->enabled_steps & (1 << STEP_VERITY)) {
-		INIT_WORK(&ctx->work, f2fs_verity_work);
-		fsverity_enqueue_verify_work(&ctx->work);
-		return;
-	}
-
-	__f2fs_read_end_io(ctx->bio,
-		ctx->enabled_steps & (1 << STEP_DECOMPRESS), false);
-}
-
-static void f2fs_enqueue_post_read_work(struct f2fs_sb_info *sbi,
-						struct work_struct *work)
-{
-	queue_work(sbi->post_read_wq, work);
-}
-
-static void bio_post_read_processing(struct bio_post_read_ctx *ctx)
-{
-	/*
-	 * We use different work queues for decryption and for verity because
-	 * verity may require reading metadata pages that need decryption, and
-	 * we shouldn't recurse to the same workqueue.
-	 */
-
-	if (ctx->enabled_steps & (1 << STEP_DECRYPT) ||
-		ctx->enabled_steps & (1 << STEP_DECOMPRESS)) {
-		INIT_WORK(&ctx->work, f2fs_post_read_work);
-		f2fs_enqueue_post_read_work(ctx->sbi, &ctx->work);
-		return;
-	}
-
-	if (ctx->enabled_steps & (1 << STEP_VERITY)) {
-		INIT_WORK(&ctx->work, f2fs_verity_work);
-		fsverity_enqueue_verify_work(&ctx->work);
-		return;
-	}
-
-	__f2fs_read_end_io(ctx->bio, false, false);
-}
-
-static bool f2fs_bio_post_read_required(struct bio *bio)
-{
-	return bio->bi_private;
+	f2fs_verify_and_finish_bio(ctx->bio, true);
 }
 
 static void f2fs_read_end_io(struct bio *bio)
 {
 	struct f2fs_sb_info *sbi = F2FS_P_SB(bio_first_page_all(bio));
+	struct bio_post_read_ctx *ctx;
+	bool intask = in_task();
+
+	iostat_update_and_unbind_ctx(bio, 0);
+	ctx = bio->bi_private;
 
 	if (time_to_inject(sbi, FAULT_READ_IO)) {
 		f2fs_show_injection_info(sbi, FAULT_READ_IO);
 		bio->bi_status = BLK_STS_IOERR;
 	}
 
-	if (f2fs_bio_post_read_required(bio)) {
-		struct bio_post_read_ctx *ctx = bio->bi_private;
-
-		bio_post_read_processing(ctx);
+	if (bio->bi_status) {
+		f2fs_finish_read_bio(bio, intask);
 		return;
 	}
 
-	__f2fs_read_end_io(bio, false, false);
+	if (ctx) {
+		unsigned int enabled_steps = ctx->enabled_steps &
+					(STEP_DECRYPT | STEP_DECOMPRESS);
+
+		/*
+		 * If we have only decompression step between decompression and
+		 * decrypt, we don't need post processing for this.
+		 */
+		if (enabled_steps == STEP_DECOMPRESS &&
+				!f2fs_low_mem_mode(sbi)) {
+			f2fs_handle_step_decompress(ctx, intask);
+		} else if (enabled_steps) {
+			INIT_WORK(&ctx->work, f2fs_post_read_work);
+			queue_work(ctx->sbi->post_read_wq, &ctx->work);
+			return;
+		}
+	}
+
+	f2fs_verify_and_finish_bio(bio, intask);
 }
 
 static void f2fs_write_end_io(struct bio *bio)
 {
-	struct f2fs_sb_info *sbi = bio->bi_private;
+	struct f2fs_sb_info *sbi;
 	struct bio_vec *bvec;
 	struct bvec_iter_all iter_all;
 
+	iostat_update_and_unbind_ctx(bio, 1);
+	sbi = bio->bi_private;
+
 	if (time_to_inject(sbi, FAULT_WRITE_IO)) {
 		f2fs_show_injection_info(sbi, FAULT_WRITE_IO);
 		bio->bi_status = BLK_STS_IOERR;
@@ -349,14 +330,14 @@
 		struct page *page = bvec->bv_page;
 		enum count_type type = WB_DATA_TYPE(page);
 
-		if (IS_DUMMY_WRITTEN_PAGE(page)) {
-			set_page_private(page, (unsigned long)NULL);
-			ClearPagePrivate(page);
+		if (page_private_dummy(page)) {
+			clear_page_private_dummy(page);
 			unlock_page(page);
 			mempool_free(page, sbi->write_io_dummy);
 
 			if (unlikely(bio->bi_status))
-				f2fs_stop_checkpoint(sbi, true);
+				f2fs_stop_checkpoint(sbi, true,
+						STOP_CP_REASON_WRITE_FAIL);
 			continue;
 		}
 
@@ -372,7 +353,8 @@
 		if (unlikely(bio->bi_status)) {
 			mapping_set_error(page->mapping, -EIO);
 			if (type == F2FS_WB_CP_DATA)
-				f2fs_stop_checkpoint(sbi, true);
+				f2fs_stop_checkpoint(sbi, true,
+						STOP_CP_REASON_WRITE_FAIL);
 		}
 
 		f2fs_bug_on(sbi, page->mapping == NODE_MAPPING(sbi) &&
@@ -381,7 +363,7 @@
 		dec_page_count(sbi, type);
 		if (f2fs_in_warm_node_list(sbi, page))
 			f2fs_del_fsync_node_entry(sbi, page);
-		clear_cold_data(page);
+		clear_page_private_gcing(page);
 		end_page_writeback(page);
 	}
 	if (!get_pages(sbi, F2FS_WB_CP_DATA) &&
@@ -442,7 +424,7 @@
 	struct f2fs_sb_info *sbi = fio->sbi;
 	struct bio *bio;
 
-	bio = f2fs_bio_alloc(sbi, npages, true);
+	bio = bio_alloc_bioset(GFP_NOIO, npages, &f2fs_bioset);
 
 	f2fs_target_device(sbi, fio->new_blkaddr, bio);
 	if (is_read_io(fio->op)) {
@@ -454,6 +436,8 @@
 		bio->bi_write_hint = f2fs_io_type_to_rw_hint(sbi,
 						fio->type, fio->temp);
 	}
+	iostat_alloc_and_bind_ctx(sbi, bio, NULL);
+
 	if (fio->io_wbc)
 		wbc_init_bio(fio->io_wbc, bio);
 
@@ -471,6 +455,8 @@
 	 */
 	if (!fio || !fio->encrypted_page)
 		fscrypt_set_bio_crypt_ctx(bio, inode, first_idx, gfp_mask);
+	else if (fscrypt_inode_should_skip_dm_default_key(inode))
+		bio_set_skip_dm_default_key(bio);
 }
 
 static bool f2fs_crypt_mergeable_bio(struct bio *bio, const struct inode *inode,
@@ -482,7 +468,9 @@
 	 * read/write raw data without encryption.
 	 */
 	if (fio && fio->encrypted_page)
-		return !bio_has_crypt_ctx(bio);
+		return !bio_has_crypt_ctx(bio) &&
+			(bio_should_skip_dm_default_key(bio) ==
+			 fscrypt_inode_should_skip_dm_default_key(inode));
 
 	return fscrypt_mergeable_bio(bio, inode, next_idx);
 }
@@ -515,10 +503,11 @@
 					      GFP_NOIO | __GFP_NOFAIL);
 			f2fs_bug_on(sbi, !page);
 
-			zero_user_segment(page, 0, PAGE_SIZE);
-			SetPagePrivate(page);
-			set_page_private(page, DUMMY_WRITTEN_PAGE);
 			lock_page(page);
+
+			zero_user_segment(page, 0, PAGE_SIZE);
+			set_page_private_dummy(page);
+
 			if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE)
 				f2fs_bug_on(sbi, 1);
 		}
@@ -534,6 +523,8 @@
 		trace_f2fs_submit_read_bio(sbi->sb, type, bio);
 	else
 		trace_f2fs_submit_write_bio(sbi->sb, type, bio);
+
+	iostat_update_submit_ctx(bio, type);
 	submit_bio(bio);
 }
 
@@ -633,7 +624,7 @@
 	enum page_type btype = PAGE_TYPE_OF_BIO(type);
 	struct f2fs_bio_info *io = sbi->write_io[btype] + temp;
 
-	down_write(&io->io_rwsem);
+	f2fs_down_write(&io->io_rwsem);
 
 	/* change META to META_FLUSH in the checkpoint procedure */
 	if (type >= META_FLUSH) {
@@ -644,7 +635,7 @@
 			io->fio.op_flags |= REQ_PREFLUSH | REQ_FUA;
 	}
 	__submit_merged_bio(io);
-	up_write(&io->io_rwsem);
+	f2fs_up_write(&io->io_rwsem);
 }
 
 static void __submit_merged_write_cond(struct f2fs_sb_info *sbi,
@@ -659,9 +650,9 @@
 			enum page_type btype = PAGE_TYPE_OF_BIO(type);
 			struct f2fs_bio_info *io = sbi->write_io[btype] + temp;
 
-			down_read(&io->io_rwsem);
+			f2fs_down_read(&io->io_rwsem);
 			ret = __has_merged_page(io->bio, inode, page, ino);
-			up_read(&io->io_rwsem);
+			f2fs_up_read(&io->io_rwsem);
 		}
 		if (ret)
 			__f2fs_submit_merged_write(sbi, type, temp);
@@ -707,7 +698,6 @@
 		return -EFSCORRUPTED;
 
 	trace_f2fs_submit_page_bio(page, fio);
-	f2fs_trace_ios(fio, 0);
 
 	/* Allocate a new bio */
 	bio = __bio_alloc(fio, 1);
@@ -736,6 +726,9 @@
 static bool page_is_mergeable(struct f2fs_sb_info *sbi, struct bio *bio,
 				block_t last_blkaddr, block_t cur_blkaddr)
 {
+	if (unlikely(sbi->max_io_bytes &&
+			bio->bi_iter.bi_size >= sbi->max_io_bytes))
+		return false;
 	if (last_blkaddr + 1 != cur_blkaddr)
 		return false;
 	return __same_bdev(sbi, cur_blkaddr, bio);
@@ -776,16 +769,16 @@
 	struct f2fs_bio_info *io = sbi->write_io[DATA] + temp;
 	struct bio_entry *be;
 
-	be = f2fs_kmem_cache_alloc(bio_entry_slab, GFP_NOFS);
+	be = f2fs_kmem_cache_alloc(bio_entry_slab, GFP_NOFS, true, NULL);
 	be->bio = bio;
 	bio_get(bio);
 
 	if (bio_add_page(bio, page, PAGE_SIZE, 0) != PAGE_SIZE)
 		f2fs_bug_on(sbi, 1);
 
-	down_write(&io->bio_list_lock);
+	f2fs_down_write(&io->bio_list_lock);
 	list_add_tail(&be->list, &io->bio_list);
-	up_write(&io->bio_list_lock);
+	f2fs_up_write(&io->bio_list_lock);
 }
 
 static void del_bio_entry(struct bio_entry *be)
@@ -807,7 +800,7 @@
 		struct list_head *head = &io->bio_list;
 		struct bio_entry *be;
 
-		down_write(&io->bio_list_lock);
+		f2fs_down_write(&io->bio_list_lock);
 		list_for_each_entry(be, head, list) {
 			if (be->bio != *bio)
 				continue;
@@ -831,7 +824,7 @@
 			__submit_bio(sbi, *bio, DATA);
 			break;
 		}
-		up_write(&io->bio_list_lock);
+		f2fs_up_write(&io->bio_list_lock);
 	}
 
 	if (ret) {
@@ -859,7 +852,7 @@
 		if (list_empty(head))
 			continue;
 
-		down_read(&io->bio_list_lock);
+		f2fs_down_read(&io->bio_list_lock);
 		list_for_each_entry(be, head, list) {
 			if (target)
 				found = (target == be->bio);
@@ -869,14 +862,14 @@
 			if (found)
 				break;
 		}
-		up_read(&io->bio_list_lock);
+		f2fs_up_read(&io->bio_list_lock);
 
 		if (!found)
 			continue;
 
 		found = false;
 
-		down_write(&io->bio_list_lock);
+		f2fs_down_write(&io->bio_list_lock);
 		list_for_each_entry(be, head, list) {
 			if (target)
 				found = (target == be->bio);
@@ -889,7 +882,7 @@
 				break;
 			}
 		}
-		up_write(&io->bio_list_lock);
+		f2fs_up_write(&io->bio_list_lock);
 	}
 
 	if (found)
@@ -911,7 +904,6 @@
 		return -EFSCORRUPTED;
 
 	trace_f2fs_submit_page_bio(page, fio);
-	f2fs_trace_ios(fio, 0);
 
 	if (bio && !page_is_mergeable(fio->sbi, bio, *fio->last_block,
 						fio->new_blkaddr))
@@ -950,7 +942,7 @@
 
 	f2fs_bug_on(sbi, is_read_io(fio->op));
 
-	down_write(&io->io_rwsem);
+	f2fs_down_write(&io->io_rwsem);
 next:
 	if (fio->in_list) {
 		spin_lock(&io->io_lock);
@@ -1008,7 +1000,6 @@
 		wbc_account_cgroup_owner(fio->io_wbc, fio->page, PAGE_SIZE);
 
 	io->last_block_in_bio = fio->new_blkaddr;
-	f2fs_trace_ios(fio, 0);
 
 	trace_f2fs_submit_page_write(fio->page, fio);
 skip:
@@ -1018,27 +1009,20 @@
 	if (is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN) ||
 				!f2fs_is_checkpoint_ready(sbi))
 		__submit_merged_bio(io);
-	up_write(&io->io_rwsem);
-}
-
-static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx)
-{
-	return fsverity_active(inode) &&
-	       idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
+	f2fs_up_write(&io->io_rwsem);
 }
 
 static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
 				      unsigned nr_pages, unsigned op_flag,
-				      pgoff_t first_idx, bool for_write,
-				      bool for_verity)
+				      pgoff_t first_idx, bool for_write)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct bio *bio;
-	struct bio_post_read_ctx *ctx;
+	struct bio_post_read_ctx *ctx = NULL;
 	unsigned int post_read_steps = 0;
 
-	bio = f2fs_bio_alloc(sbi, min_t(int, nr_pages, BIO_MAX_PAGES),
-								for_write);
+	bio = bio_alloc_bioset(for_write ? GFP_NOIO : GFP_KERNEL,
+			       bio_max_segs(nr_pages), &f2fs_bioset);
 	if (!bio)
 		return ERR_PTR(-ENOMEM);
 
@@ -1049,31 +1033,32 @@
 	bio_set_op_attrs(bio, REQ_OP_READ, op_flag);
 
 	if (fscrypt_inode_uses_fs_layer_crypto(inode))
-		post_read_steps |= 1 << STEP_DECRYPT;
-	if (f2fs_compressed_file(inode))
-		post_read_steps |= 1 << STEP_DECOMPRESS_NOWQ;
-	if (for_verity && f2fs_need_verity(inode, first_idx))
-		post_read_steps |= 1 << STEP_VERITY;
+		post_read_steps |= STEP_DECRYPT;
 
-	if (post_read_steps) {
+	if (f2fs_need_verity(inode, first_idx))
+		post_read_steps |= STEP_VERITY;
+
+	/*
+	 * STEP_DECOMPRESS is handled specially, since a compressed file might
+	 * contain both compressed and uncompressed clusters.  We'll allocate a
+	 * bio_post_read_ctx if the file is compressed, but the caller is
+	 * responsible for enabling STEP_DECOMPRESS if it's actually needed.
+	 */
+
+	if (post_read_steps || f2fs_compressed_file(inode)) {
 		/* Due to the mempool, this never fails. */
 		ctx = mempool_alloc(bio_post_read_ctx_pool, GFP_NOFS);
 		ctx->bio = bio;
 		ctx->sbi = sbi;
 		ctx->enabled_steps = post_read_steps;
+		ctx->fs_blkaddr = blkaddr;
 		bio->bi_private = ctx;
 	}
+	iostat_alloc_and_bind_ctx(sbi, bio, ctx);
 
 	return bio;
 }
 
-static void f2fs_release_read_bio(struct bio *bio)
-{
-	if (bio->bi_private)
-		mempool_free(bio->bi_private, bio_post_read_ctx_pool);
-	bio_put(bio);
-}
-
 /* This can handle encryption stuffs */
 static int f2fs_submit_page_read(struct inode *inode, struct page *page,
 				 block_t blkaddr, int op_flags, bool for_write)
@@ -1082,7 +1067,7 @@
 	struct bio *bio;
 
 	bio = f2fs_grab_read_bio(inode, blkaddr, 1, op_flags,
-					page->index, for_write, true);
+					page->index, for_write);
 	if (IS_ERR(bio))
 		return PTR_ERR(bio);
 
@@ -1156,6 +1141,7 @@
 
 	for (; count > 0; dn->ofs_in_node++) {
 		block_t blkaddr = f2fs_data_blkaddr(dn);
+
 		if (blkaddr == NULL_ADDR) {
 			dn->data_blkaddr = NEW_ADDR;
 			__set_data_blkaddr(dn);
@@ -1197,7 +1183,7 @@
 
 int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index)
 {
-	struct extent_info ei = {0, 0, 0};
+	struct extent_info ei = {0, };
 	struct inode *inode = dn->inode;
 
 	if (f2fs_lookup_extent_cache(inode, index, &ei)) {
@@ -1214,7 +1200,7 @@
 	struct address_space *mapping = inode->i_mapping;
 	struct dnode_of_data dn;
 	struct page *page;
-	struct extent_info ei = {0,0,0};
+	struct extent_info ei = {0, };
 	int err;
 
 	page = f2fs_grab_cache_page(mapping, index, for_write);
@@ -1404,7 +1390,7 @@
 	if (unlikely(is_inode_flag_set(dn->inode, FI_NO_ALLOC)))
 		return -EPERM;
 
-	err = f2fs_get_node_info(sbi, dn->nid, &ni);
+	err = f2fs_get_node_info(sbi, dn->nid, &ni, false);
 	if (err)
 		return err;
 
@@ -1420,72 +1406,22 @@
 	old_blkaddr = dn->data_blkaddr;
 	f2fs_allocate_data_block(sbi, NULL, old_blkaddr, &dn->data_blkaddr,
 				&sum, seg_type, NULL);
-	if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO)
+	if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) {
 		invalidate_mapping_pages(META_MAPPING(sbi),
 					old_blkaddr, old_blkaddr);
+		f2fs_invalidate_compress_page(sbi, old_blkaddr);
+	}
 	f2fs_update_data_blkaddr(dn, dn->data_blkaddr);
-
-	/*
-	 * i_size will be updated by direct_IO. Otherwise, we'll get stale
-	 * data from unwritten block via dio_read.
-	 */
 	return 0;
 }
 
-int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
-{
-	struct inode *inode = file_inode(iocb->ki_filp);
-	struct f2fs_map_blocks map;
-	int flag;
-	int err = 0;
-	bool direct_io = iocb->ki_flags & IOCB_DIRECT;
-
-	map.m_lblk = F2FS_BLK_ALIGN(iocb->ki_pos);
-	map.m_len = F2FS_BYTES_TO_BLK(iocb->ki_pos + iov_iter_count(from));
-	if (map.m_len > map.m_lblk)
-		map.m_len -= map.m_lblk;
-	else
-		map.m_len = 0;
-
-	map.m_next_pgofs = NULL;
-	map.m_next_extent = NULL;
-	map.m_seg_type = NO_CHECK_TYPE;
-	map.m_may_create = true;
-
-	if (direct_io) {
-		map.m_seg_type = f2fs_rw_hint_to_seg_type(iocb->ki_hint);
-		flag = f2fs_force_buffered_io(inode, iocb, from) ?
-					F2FS_GET_BLOCK_PRE_AIO :
-					F2FS_GET_BLOCK_PRE_DIO;
-		goto map_blocks;
-	}
-	if (iocb->ki_pos + iov_iter_count(from) > MAX_INLINE_DATA(inode)) {
-		err = f2fs_convert_inline_inode(inode);
-		if (err)
-			return err;
-	}
-	if (f2fs_has_inline_data(inode))
-		return err;
-
-	flag = F2FS_GET_BLOCK_PRE_AIO;
-
-map_blocks:
-	err = f2fs_map_blocks(inode, &map, 1, flag);
-	if (map.m_len > 0 && err == -ENOSPC) {
-		if (!direct_io)
-			set_inode_flag(inode, FI_NO_PREALLOC);
-		err = 0;
-	}
-	return err;
-}
-
 void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock)
 {
 	if (flag == F2FS_GET_BLOCK_PRE_AIO) {
 		if (lock)
-			down_read(&sbi->node_change);
+			f2fs_down_read(&sbi->node_change);
 		else
-			up_read(&sbi->node_change);
+			f2fs_up_read(&sbi->node_change);
 	} else {
 		if (lock)
 			f2fs_lock_op(sbi);
@@ -1510,13 +1446,18 @@
 	int err = 0, ofs = 1;
 	unsigned int ofs_in_node, last_ofs_in_node;
 	blkcnt_t prealloc;
-	struct extent_info ei = {0,0,0};
+	struct extent_info ei = {0, };
 	block_t blkaddr;
 	unsigned int start_pgofs;
+	int bidx = 0;
 
 	if (!maxblocks)
 		return 0;
 
+	map->m_bdev = inode->i_sb->s_bdev;
+	map->m_multidev_dio =
+		f2fs_allow_multi_device_dio(F2FS_I_SB(inode), flag);
+
 	map->m_len = 0;
 	map->m_flags = 0;
 
@@ -1539,6 +1480,21 @@
 		if (flag == F2FS_GET_BLOCK_DIO)
 			f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
+
+		if (map->m_multidev_dio) {
+			block_t blk_addr = map->m_pblk;
+
+			bidx = f2fs_target_device_index(sbi, map->m_pblk);
+
+			map->m_bdev = FDEV(bidx).bdev;
+			map->m_pblk -= FDEV(bidx).start_blk;
+			map->m_len = min(map->m_len,
+				FDEV(bidx).end_blk + 1 - map->m_pblk);
+
+			if (map->m_may_create)
+				f2fs_update_device_state(sbi, inode->i_ino,
+							blk_addr, map->m_len);
+		}
 		goto out;
 	}
 
@@ -1618,14 +1574,24 @@
 					flag != F2FS_GET_BLOCK_DIO);
 				err = __allocate_data_block(&dn,
 							map->m_seg_type);
-				if (!err)
+				if (!err) {
+					if (flag == F2FS_GET_BLOCK_PRE_DIO)
+						file_need_truncate(inode);
 					set_inode_flag(inode, FI_APPEND_WRITE);
+				}
 			}
 			if (err)
 				goto sync_out;
 			map->m_flags |= F2FS_MAP_NEW;
 			blkaddr = dn.data_blkaddr;
 		} else {
+			if (f2fs_compressed_file(inode) &&
+					f2fs_sanity_check_cluster(&dn) &&
+					(flag != F2FS_GET_BLOCK_FIEMAP ||
+					IS_ENABLED(CONFIG_F2FS_CHECK_FS))) {
+				err = -EFSCORRUPTED;
+				goto sync_out;
+			}
 			if (flag == F2FS_GET_BLOCK_BMAP) {
 				map->m_pblk = 0;
 				goto sync_out;
@@ -1650,6 +1616,9 @@
 	if (flag == F2FS_GET_BLOCK_PRE_AIO)
 		goto skip;
 
+	if (map->m_multidev_dio)
+		bidx = f2fs_target_device_index(sbi, blkaddr);
+
 	if (map->m_len == 0) {
 		/* preallocated unwritten block should be mapped for fiemap. */
 		if (blkaddr == NEW_ADDR)
@@ -1658,10 +1627,15 @@
 
 		map->m_pblk = blkaddr;
 		map->m_len = 1;
+
+		if (map->m_multidev_dio)
+			map->m_bdev = FDEV(bidx).bdev;
 	} else if ((map->m_pblk != NEW_ADDR &&
 			blkaddr == (map->m_pblk + ofs)) ||
 			(map->m_pblk == NEW_ADDR && blkaddr == NEW_ADDR) ||
 			flag == F2FS_GET_BLOCK_PRE_DIO) {
+		if (map->m_multidev_dio && map->m_bdev != FDEV(bidx).bdev)
+			goto sync_out;
 		ofs++;
 		map->m_len++;
 	} else {
@@ -1714,10 +1688,32 @@
 
 sync_out:
 
-	/* for hardware encryption, but to avoid potential issue in future */
-	if (flag == F2FS_GET_BLOCK_DIO && map->m_flags & F2FS_MAP_MAPPED)
+	if (flag == F2FS_GET_BLOCK_DIO && map->m_flags & F2FS_MAP_MAPPED) {
+		/*
+		 * for hardware encryption, but to avoid potential issue
+		 * in future
+		 */
 		f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
+		invalidate_mapping_pages(META_MAPPING(sbi),
+						map->m_pblk, map->m_pblk);
+
+		if (map->m_multidev_dio) {
+			block_t blk_addr = map->m_pblk;
+
+			bidx = f2fs_target_device_index(sbi, map->m_pblk);
+
+			map->m_bdev = FDEV(bidx).bdev;
+			map->m_pblk -= FDEV(bidx).start_blk;
+
+			if (map->m_may_create)
+				f2fs_update_device_state(sbi, inode->i_ino,
+							blk_addr, map->m_len);
+
+			f2fs_bug_on(sbi, blk_addr + map->m_len >
+						FDEV(bidx).end_blk + 1);
+		}
+	}
 
 	if (flag == F2FS_GET_BLOCK_PRECACHE) {
 		if (map->m_flags & F2FS_MAP_MAPPED) {
@@ -1737,7 +1733,7 @@
 		f2fs_balance_fs(sbi, dn.node_changed);
 	}
 out:
-	trace_f2fs_map_blocks(inode, map, err);
+	trace_f2fs_map_blocks(inode, map, create, flag, err);
 	return err;
 }
 
@@ -1767,72 +1763,14 @@
 	return true;
 }
 
-static int __get_data_block(struct inode *inode, sector_t iblock,
-			struct buffer_head *bh, int create, int flag,
-			pgoff_t *next_pgofs, int seg_type, bool may_write)
+static inline u64 bytes_to_blks(struct inode *inode, u64 bytes)
 {
-	struct f2fs_map_blocks map;
-	int err;
-
-	map.m_lblk = iblock;
-	map.m_len = bh->b_size >> inode->i_blkbits;
-	map.m_next_pgofs = next_pgofs;
-	map.m_next_extent = NULL;
-	map.m_seg_type = seg_type;
-	map.m_may_create = may_write;
-
-	err = f2fs_map_blocks(inode, &map, create, flag);
-	if (!err) {
-		map_bh(bh, inode->i_sb, map.m_pblk);
-		bh->b_state = (bh->b_state & ~F2FS_MAP_FLAGS) | map.m_flags;
-		bh->b_size = (u64)map.m_len << inode->i_blkbits;
-	}
-	return err;
+	return (bytes >> inode->i_blkbits);
 }
 
-static int get_data_block(struct inode *inode, sector_t iblock,
-			struct buffer_head *bh_result, int create, int flag,
-			pgoff_t *next_pgofs)
+static inline u64 blks_to_bytes(struct inode *inode, u64 blks)
 {
-	return __get_data_block(inode, iblock, bh_result, create,
-							flag, next_pgofs,
-							NO_CHECK_TYPE, create);
-}
-
-static int get_data_block_dio_write(struct inode *inode, sector_t iblock,
-			struct buffer_head *bh_result, int create)
-{
-	return __get_data_block(inode, iblock, bh_result, create,
-				F2FS_GET_BLOCK_DIO, NULL,
-				f2fs_rw_hint_to_seg_type(inode->i_write_hint),
-				IS_SWAPFILE(inode) ? false : true);
-}
-
-static int get_data_block_dio(struct inode *inode, sector_t iblock,
-			struct buffer_head *bh_result, int create)
-{
-	return __get_data_block(inode, iblock, bh_result, create,
-				F2FS_GET_BLOCK_DIO, NULL,
-				f2fs_rw_hint_to_seg_type(inode->i_write_hint),
-				false);
-}
-
-static int get_data_block_bmap(struct inode *inode, sector_t iblock,
-			struct buffer_head *bh_result, int create)
-{
-	return __get_data_block(inode, iblock, bh_result, create,
-						F2FS_GET_BLOCK_BMAP, NULL,
-						NO_CHECK_TYPE, create);
-}
-
-static inline sector_t logical_to_blk(struct inode *inode, loff_t offset)
-{
-	return (offset >> inode->i_blkbits);
-}
-
-static inline loff_t blk_to_logical(struct inode *inode, sector_t blk)
-{
-	return (blk << inode->i_blkbits);
+	return (blks << inode->i_blkbits);
 }
 
 static int f2fs_xattr_fiemap(struct inode *inode,
@@ -1854,13 +1792,13 @@
 		if (!page)
 			return -ENOMEM;
 
-		err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
+		err = f2fs_get_node_info(sbi, inode->i_ino, &ni, false);
 		if (err) {
 			f2fs_put_page(page, 1);
 			return err;
 		}
 
-		phys = (__u64)blk_to_logical(inode, ni.blk_addr);
+		phys = blks_to_bytes(inode, ni.blk_addr);
 		offset = offsetof(struct f2fs_inode, i_addr) +
 					sizeof(__le32) * (DEF_ADDRS_PER_INODE -
 					get_inline_xattr_addrs(inode));
@@ -1886,13 +1824,13 @@
 		if (!page)
 			return -ENOMEM;
 
-		err = f2fs_get_node_info(sbi, xnid, &ni);
+		err = f2fs_get_node_info(sbi, xnid, &ni, false);
 		if (err) {
 			f2fs_put_page(page, 1);
 			return err;
 		}
 
-		phys = (__u64)blk_to_logical(inode, ni.blk_addr);
+		phys = blks_to_bytes(inode, ni.blk_addr);
 		len = inode->i_sb->s_blocksize;
 
 		f2fs_put_page(page, 1);
@@ -1930,14 +1868,16 @@
 int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		u64 start, u64 len)
 {
-	struct buffer_head map_bh;
+	struct f2fs_map_blocks map;
 	sector_t start_blk, last_blk;
 	pgoff_t next_pgofs;
 	u64 logical = 0, phys = 0, size = 0;
 	u32 flags = 0;
 	int ret = 0;
-	bool compr_cluster = false;
+	bool compr_cluster = false, compr_appended;
 	unsigned int cluster_size = F2FS_I(inode)->i_cluster_size;
+	unsigned int count_in_cluster = 0;
+	loff_t maxbytes;
 
 	if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) {
 		ret = f2fs_precache_extents(inode);
@@ -1951,6 +1891,15 @@
 
 	inode_lock(inode);
 
+	maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS;
+	if (start > maxbytes) {
+		ret = -EFBIG;
+		goto out;
+	}
+
+	if (len > maxbytes || (maxbytes - len) < start)
+		len = maxbytes - start;
+
 	if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) {
 		ret = f2fs_xattr_fiemap(inode, fieinfo);
 		goto out;
@@ -1962,36 +1911,49 @@
 			goto out;
 	}
 
-	if (logical_to_blk(inode, len) == 0)
-		len = blk_to_logical(inode, 1);
+	if (bytes_to_blks(inode, len) == 0)
+		len = blks_to_bytes(inode, 1);
 
-	start_blk = logical_to_blk(inode, start);
-	last_blk = logical_to_blk(inode, start + len - 1);
+	start_blk = bytes_to_blks(inode, start);
+	last_blk = bytes_to_blks(inode, start + len - 1);
 
 next:
-	memset(&map_bh, 0, sizeof(struct buffer_head));
-	map_bh.b_size = len;
+	memset(&map, 0, sizeof(map));
+	map.m_lblk = start_blk;
+	map.m_len = bytes_to_blks(inode, len);
+	map.m_next_pgofs = &next_pgofs;
+	map.m_seg_type = NO_CHECK_TYPE;
 
-	if (compr_cluster)
-		map_bh.b_size = blk_to_logical(inode, cluster_size - 1);
+	if (compr_cluster) {
+		map.m_lblk += 1;
+		map.m_len = cluster_size - count_in_cluster;
+	}
 
-	ret = get_data_block(inode, start_blk, &map_bh, 0,
-					F2FS_GET_BLOCK_FIEMAP, &next_pgofs);
+	ret = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_FIEMAP);
 	if (ret)
 		goto out;
 
 	/* HOLE */
-	if (!buffer_mapped(&map_bh)) {
+	if (!compr_cluster && !(map.m_flags & F2FS_MAP_FLAGS)) {
 		start_blk = next_pgofs;
 
-		if (blk_to_logical(inode, start_blk) < blk_to_logical(inode,
+		if (blks_to_bytes(inode, start_blk) < blks_to_bytes(inode,
 						max_inode_blocks(inode)))
 			goto prep_next;
 
 		flags |= FIEMAP_EXTENT_LAST;
 	}
 
+	compr_appended = false;
+	/* In a case of compressed cluster, append this to the last extent */
+	if (compr_cluster && ((map.m_flags & F2FS_MAP_UNWRITTEN) ||
+			!(map.m_flags & F2FS_MAP_FLAGS))) {
+		compr_appended = true;
+		goto skip_fill;
+	}
+
 	if (size) {
+		flags |= FIEMAP_EXTENT_MERGED;
 		if (IS_ENCRYPTED(inode))
 			flags |= FIEMAP_EXTENT_DATA_ENCRYPTED;
 
@@ -2006,39 +1968,37 @@
 	if (start_blk > last_blk)
 		goto out;
 
-	if (compr_cluster) {
-		compr_cluster = false;
-
-
-		logical = blk_to_logical(inode, start_blk - 1);
-		phys = blk_to_logical(inode, map_bh.b_blocknr);
-		size = blk_to_logical(inode, cluster_size);
-
-		flags |= FIEMAP_EXTENT_ENCODED;
-
-		start_blk += cluster_size - 1;
-
-		if (start_blk > last_blk)
-			goto out;
-
-		goto prep_next;
-	}
-
-	if (map_bh.b_blocknr == COMPRESS_ADDR) {
+skip_fill:
+	if (map.m_pblk == COMPRESS_ADDR) {
 		compr_cluster = true;
-		start_blk++;
-		goto prep_next;
+		count_in_cluster = 1;
+	} else if (compr_appended) {
+		unsigned int appended_blks = cluster_size -
+						count_in_cluster + 1;
+		size += blks_to_bytes(inode, appended_blks);
+		start_blk += appended_blks;
+		compr_cluster = false;
+	} else {
+		logical = blks_to_bytes(inode, start_blk);
+		phys = __is_valid_data_blkaddr(map.m_pblk) ?
+			blks_to_bytes(inode, map.m_pblk) : 0;
+		size = blks_to_bytes(inode, map.m_len);
+		flags = 0;
+
+		if (compr_cluster) {
+			flags = FIEMAP_EXTENT_ENCODED;
+			count_in_cluster += map.m_len;
+			if (count_in_cluster == cluster_size) {
+				compr_cluster = false;
+				size += blks_to_bytes(inode, 1);
+			}
+		} else if (map.m_flags & F2FS_MAP_UNWRITTEN) {
+			flags = FIEMAP_EXTENT_UNWRITTEN;
+		}
+
+		start_blk += bytes_to_blks(inode, size);
 	}
 
-	logical = blk_to_logical(inode, start_blk);
-	phys = blk_to_logical(inode, map_bh.b_blocknr);
-	size = map_bh.b_size;
-	flags = 0;
-	if (buffer_unwritten(&map_bh))
-		flags = FIEMAP_EXTENT_UNWRITTEN;
-
-	start_blk += logical_to_blk(inode, size);
-
 prep_next:
 	cond_resched();
 	if (fatal_signal_pending(current))
@@ -2070,8 +2030,7 @@
 					bool is_readahead)
 {
 	struct bio *bio = *bio_ret;
-	const unsigned blkbits = inode->i_blkbits;
-	const unsigned blocksize = 1 << blkbits;
+	const unsigned blocksize = blks_to_bytes(inode, 1);
 	sector_t block_in_file;
 	sector_t last_block;
 	sector_t last_block_in_file;
@@ -2080,8 +2039,8 @@
 
 	block_in_file = (sector_t)page_index(page);
 	last_block = block_in_file + nr_pages;
-	last_block_in_file = (f2fs_readpage_limit(inode) + blocksize - 1) >>
-							blkbits;
+	last_block_in_file = bytes_to_blks(inode,
+			f2fs_readpage_limit(inode) + blocksize - 1);
 	if (last_block > last_block_in_file)
 		last_block = last_block_in_file;
 
@@ -2150,7 +2109,7 @@
 	if (bio == NULL) {
 		bio = f2fs_grab_read_bio(inode, block_nr, nr_pages,
 				is_readahead ? REQ_RAHEAD : 0, page->index,
-				false, true);
+				false);
 		if (IS_ERR(bio)) {
 			ret = PTR_ERR(bio);
 			bio = NULL;
@@ -2194,18 +2153,17 @@
 	struct bio *bio = *bio_ret;
 	unsigned int start_idx = cc->cluster_idx << cc->log_cluster_size;
 	sector_t last_block_in_file;
-	const unsigned blkbits = inode->i_blkbits;
-	const unsigned blocksize = 1 << blkbits;
+	const unsigned blocksize = blks_to_bytes(inode, 1);
 	struct decompress_io_ctx *dic = NULL;
-	struct bio_post_read_ctx *ctx;
-	bool for_verity = false;
+	struct extent_info ei = {0, };
+	bool from_dnode = true;
 	int i;
 	int ret = 0;
 
 	f2fs_bug_on(sbi, f2fs_cluster_is_empty(cc));
 
-	last_block_in_file = (f2fs_readpage_limit(inode) +
-					blocksize - 1) >> blkbits;
+	last_block_in_file = bytes_to_blks(inode,
+			f2fs_readpage_limit(inode) + blocksize - 1);
 
 	/* get rid of pages beyond EOF */
 	for (i = 0; i < cc->cluster_size; i++) {
@@ -2231,6 +2189,12 @@
 	if (f2fs_cluster_is_empty(cc))
 		goto out;
 
+	if (f2fs_lookup_extent_cache(inode, start_idx, &ei))
+		from_dnode = false;
+
+	if (!from_dnode)
+		goto skip_reading_dnode;
+
 	set_new_dnode(&dn, inode, NULL, NULL, 0);
 	ret = f2fs_get_dnode_of_data(&dn, start_idx, LOOKUP_NODE);
 	if (ret)
@@ -2238,11 +2202,13 @@
 
 	f2fs_bug_on(sbi, dn.data_blkaddr != COMPRESS_ADDR);
 
+skip_reading_dnode:
 	for (i = 1; i < cc->cluster_size; i++) {
 		block_t blkaddr;
 
-		blkaddr = data_blkaddr(dn.inode, dn.node_page,
-						dn.ofs_in_node + i);
+		blkaddr = from_dnode ? data_blkaddr(dn.inode, dn.node_page,
+					dn.ofs_in_node + i) :
+					ei.blk + i - 1;
 
 		if (!__is_valid_data_blkaddr(blkaddr))
 			break;
@@ -2252,6 +2218,9 @@
 			goto out_put_dnode;
 		}
 		cc->nr_cpages++;
+
+		if (!from_dnode && i >= ei.c_len)
+			break;
 	}
 
 	/* nothing to decompress */
@@ -2266,32 +2235,22 @@
 		goto out_put_dnode;
 	}
 
-	/*
-	 * It's possible to enable fsverity on the fly when handling a cluster,
-	 * which requires complicated error handling. Instead of adding more
-	 * complexity, let's give a rule where end_io post-processes fsverity
-	 * per cluster. In order to do that, we need to submit bio, if previous
-	 * bio sets a different post-process policy.
-	 */
-	if (fsverity_active(cc->inode)) {
-		atomic_set(&dic->verity_pages, cc->nr_cpages);
-		for_verity = true;
-
-		if (bio) {
-			ctx = bio->bi_private;
-			if (!(ctx->enabled_steps & (1 << STEP_VERITY))) {
-				__submit_bio(sbi, bio, DATA);
-				bio = NULL;
-			}
-		}
-	}
-
-	for (i = 0; i < dic->nr_cpages; i++) {
+	for (i = 0; i < cc->nr_cpages; i++) {
 		struct page *page = dic->cpages[i];
 		block_t blkaddr;
+		struct bio_post_read_ctx *ctx;
 
-		blkaddr = data_blkaddr(dn.inode, dn.node_page,
-						dn.ofs_in_node + i + 1);
+		blkaddr = from_dnode ? data_blkaddr(dn.inode, dn.node_page,
+					dn.ofs_in_node + i + 1) :
+					ei.blk + i;
+
+		f2fs_wait_on_block_writeback(inode, blkaddr);
+
+		if (f2fs_load_compressed_page(sbi, page, blkaddr)) {
+			if (atomic_dec_and_test(&dic->remaining_pages))
+				f2fs_decompress_cluster(dic, true);
+			continue;
+		}
 
 		if (bio && (!page_is_mergeable(sbi, bio,
 					*last_block_in_bio, blkaddr) ||
@@ -2304,46 +2263,22 @@
 		if (!bio) {
 			bio = f2fs_grab_read_bio(inode, blkaddr, nr_pages,
 					is_readahead ? REQ_RAHEAD : 0,
-					page->index, for_write, for_verity);
+					page->index, for_write);
 			if (IS_ERR(bio)) {
-				unsigned int remained = dic->nr_cpages - i;
-				bool release = false;
-
 				ret = PTR_ERR(bio);
-				dic->failed = true;
-
-				if (for_verity) {
-					if (!atomic_sub_return(remained,
-						&dic->verity_pages))
-						release = true;
-				} else {
-					if (!atomic_sub_return(remained,
-						&dic->pending_pages))
-						release = true;
-				}
-
-				if (release) {
-					f2fs_decompress_end_io(dic->rpages,
-						cc->cluster_size, true,
-						false);
-					f2fs_free_dic(dic);
-				}
-
+				f2fs_decompress_end_io(dic, ret, true);
 				f2fs_put_dnode(&dn);
 				*bio_ret = NULL;
 				return ret;
 			}
 		}
 
-		f2fs_wait_on_block_writeback(inode, blkaddr);
-
 		if (bio_add_page(bio, page, blocksize, 0) < blocksize)
 			goto submit_and_realloc;
 
-		/* tag STEP_DECOMPRESS to handle IO in wq */
-		ctx = bio->bi_private;
-		if (!(ctx->enabled_steps & (1 << STEP_DECOMPRESS)))
-			ctx->enabled_steps |= 1 << STEP_DECOMPRESS;
+		ctx = get_post_read_ctx(bio);
+		ctx->enabled_steps |= STEP_DECOMPRESS;
+		refcount_inc(&dic->refcnt);
 
 		inc_page_count(sbi, F2FS_RD_DATA);
 		f2fs_update_iostat(sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
@@ -2352,15 +2287,23 @@
 		*last_block_in_bio = blkaddr;
 	}
 
-	f2fs_put_dnode(&dn);
+	if (from_dnode)
+		f2fs_put_dnode(&dn);
 
 	*bio_ret = bio;
 	return 0;
 
 out_put_dnode:
-	f2fs_put_dnode(&dn);
+	if (from_dnode)
+		f2fs_put_dnode(&dn);
 out:
-	f2fs_decompress_end_io(cc->rpages, cc->cluster_size, true, false);
+	for (i = 0; i < cc->cluster_size; i++) {
+		if (cc->rpages[i]) {
+			ClearPageUptodate(cc->rpages[i]);
+			ClearPageError(cc->rpages[i]);
+			unlock_page(cc->rpages[i]);
+		}
+	}
 	*bio_ret = bio;
 	return ret;
 }
@@ -2369,11 +2312,6 @@
 /*
  * This function was originally taken from fs/mpage.c, and customized for f2fs.
  * Major change was from block_size == page_size in f2fs by default.
- *
- * Note that the aops->readpages() function is ONLY used for read-ahead. If
- * this function ever deviates from doing just read-ahead, it should either
- * use ->readpage() or do the necessary surgery to decouple ->readpages()
- * from read-ahead.
  */
 static int f2fs_mpage_readpages(struct inode *inode,
 		struct readahead_control *rac, struct page *page)
@@ -2392,11 +2330,11 @@
 		.nr_rpages = 0,
 		.nr_cpages = 0,
 	};
+	pgoff_t nc_cluster_idx = NULL_CLUSTER;
 #endif
 	unsigned nr_pages = rac ? readahead_count(rac) : 1;
 	unsigned max_nr_pages = nr_pages;
 	int ret = 0;
-	bool drop_ra = false;
 
 	map.m_pblk = 0;
 	map.m_lblk = 0;
@@ -2407,26 +2345,10 @@
 	map.m_seg_type = NO_CHECK_TYPE;
 	map.m_may_create = false;
 
-	/*
-	 * Two readahead threads for same address range can cause race condition
-	 * which fragments sequential read IOs. So let's avoid each other.
-	 */
-	if (rac && readahead_count(rac)) {
-		if (READ_ONCE(F2FS_I(inode)->ra_offset) == readahead_index(rac))
-			drop_ra = true;
-		else
-			WRITE_ONCE(F2FS_I(inode)->ra_offset,
-						readahead_index(rac));
-	}
-
 	for (; nr_pages; nr_pages--) {
 		if (rac) {
 			page = readahead_page(rac);
 			prefetchw(&page->flags);
-			if (drop_ra) {
-				f2fs_put_page(page, 1);
-				continue;
-			}
 		}
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
@@ -2441,12 +2363,23 @@
 				if (ret)
 					goto set_error_page;
 			}
-			ret = f2fs_is_compressed_cluster(inode, page->index);
-			if (ret < 0)
-				goto set_error_page;
-			else if (!ret)
-				goto read_single_page;
+			if (cc.cluster_idx == NULL_CLUSTER) {
+				if (nc_cluster_idx ==
+					page->index >> cc.log_cluster_size) {
+					goto read_single_page;
+				}
 
+				ret = f2fs_is_compressed_cluster(inode, page->index);
+				if (ret < 0)
+					goto set_error_page;
+				else if (!ret) {
+					nc_cluster_idx =
+						page->index >> cc.log_cluster_size;
+					goto read_single_page;
+				}
+
+				nc_cluster_idx = NULL_CLUSTER;
+			}
 			ret = f2fs_init_compress_ctx(&cc);
 			if (ret)
 				goto set_error_page;
@@ -2489,9 +2422,6 @@
 	}
 	if (bio)
 		__submit_bio(F2FS_I_SB(inode), bio, DATA);
-
-	if (rac && readahead_count(rac) && !drop_ra)
-		WRITE_ONCE(F2FS_I(inode)->ra_offset, -1);
 	return ret;
 }
 
@@ -2578,6 +2508,9 @@
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	unsigned int policy = SM_I(sbi)->ipu_policy;
 
+	if (policy & (0x1 << F2FS_IPU_HONOR_OPU_WRITE) &&
+			is_inode_flag_set(inode, FI_OPU_WRITE))
+		return false;
 	if (policy & (0x1 << F2FS_IPU_FORCE))
 		return true;
 	if (policy & (0x1 << F2FS_IPU_SSR) && f2fs_need_SSR(sbi))
@@ -2612,11 +2545,15 @@
 
 bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
 {
+	/* swap file is migrating in aligned write mode */
+	if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
+		return false;
+
 	if (f2fs_is_pinned_file(inode))
 		return true;
 
 	/* if this is cold file, we should overwrite to avoid fragmentation */
-	if (file_is_cold(inode))
+	if (file_is_cold(inode) && !is_inode_flag_set(inode, FI_OPU_WRITE))
 		return true;
 
 	return check_inplace_update_policy(inode, fio);
@@ -2626,6 +2563,11 @@
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 
+	/* The below cases were checked when setting it. */
+	if (f2fs_is_pinned_file(inode))
+		return false;
+	if (fio && is_sbi_flag_set(sbi, SBI_NEED_FSCK))
+		return true;
 	if (f2fs_lfs_mode(sbi))
 		return true;
 	if (S_ISDIR(inode->i_mode))
@@ -2634,10 +2576,18 @@
 		return true;
 	if (f2fs_is_atomic_file(inode))
 		return true;
+
+	/* swap file is migrating in aligned write mode */
+	if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
+		return true;
+
+	if (is_inode_flag_set(inode, FI_OPU_WRITE))
+		return true;
+
 	if (fio) {
-		if (is_cold_data(fio->page))
+		if (page_private_gcing(fio->page))
 			return true;
-		if (IS_ATOMIC_WRITTEN_PAGE(fio->page))
+		if (page_private_dummy(fio->page))
 			return true;
 		if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED) &&
 			f2fs_is_checkpointed_data(sbi, fio->old_blkaddr)))
@@ -2661,7 +2611,7 @@
 	struct page *page = fio->page;
 	struct inode *inode = page->mapping->host;
 	struct dnode_of_data dn;
-	struct extent_info ei = {0,0,0};
+	struct extent_info ei = {0, };
 	struct node_info ni;
 	bool ipu_force = false;
 	int err = 0;
@@ -2693,7 +2643,7 @@
 	/* This page is already truncated */
 	if (fio->old_blkaddr == NULL_ADDR) {
 		ClearPageUptodate(page);
-		clear_cold_data(page);
+		clear_page_private_gcing(page);
 		goto out_writepage;
 	}
 got_it:
@@ -2740,7 +2690,7 @@
 		fio->need_lock = LOCK_REQ;
 	}
 
-	err = f2fs_get_node_info(fio->sbi, dn.nid, &ni);
+	err = f2fs_get_node_info(fio->sbi, dn.nid, &ni, false);
 	if (err)
 		goto out_writepage;
 
@@ -2854,13 +2804,13 @@
 		 * the below discard race condition.
 		 */
 		if (IS_NOQUOTA(inode))
-			down_read(&sbi->node_write);
+			f2fs_down_read(&sbi->node_write);
 
 		fio.need_lock = LOCK_DONE;
 		err = f2fs_do_write_data_page(&fio);
 
 		if (IS_NOQUOTA(inode))
-			up_read(&sbi->node_write);
+			f2fs_up_read(&sbi->node_write);
 
 		goto done;
 	}
@@ -2904,7 +2854,7 @@
 	inode_dec_dirty_pages(inode);
 	if (err) {
 		ClearPageUptodate(page);
-		clear_cold_data(page);
+		clear_page_private_gcing(page);
 	}
 
 	if (wbc->for_reclaim) {
@@ -2991,6 +2941,7 @@
 		.rpages = NULL,
 		.nr_rpages = 0,
 		.cpages = NULL,
+		.valid_nr_cpages = 0,
 		.rbuf = NULL,
 		.cbuf = NULL,
 		.rlen = PAGE_SIZE * F2FS_I(inode)->i_cluster_size,
@@ -3046,6 +2997,10 @@
 			need_readd = false;
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 			if (f2fs_compressed_file(inode)) {
+				void *fsdata = NULL;
+				struct page *pagep;
+				int ret2;
+
 				ret = f2fs_init_compress_ctx(&cc);
 				if (ret) {
 					done = 1;
@@ -3064,27 +3019,23 @@
 				if (unlikely(f2fs_cp_error(sbi)))
 					goto lock_page;
 
-				if (f2fs_cluster_is_empty(&cc)) {
-					void *fsdata = NULL;
-					struct page *pagep;
-					int ret2;
+				if (!f2fs_cluster_is_empty(&cc))
+					goto lock_page;
 
-					ret2 = f2fs_prepare_compress_overwrite(
+				ret2 = f2fs_prepare_compress_overwrite(
 							inode, &pagep,
 							page->index, &fsdata);
-					if (ret2 < 0) {
-						ret = ret2;
-						done = 1;
-						break;
-					} else if (ret2 &&
-						!f2fs_compress_write_end(inode,
-								fsdata, page->index,
-								1)) {
-						retry = 1;
-						break;
-					}
-				} else {
-					goto lock_page;
+				if (ret2 < 0) {
+					ret = ret2;
+					done = 1;
+					break;
+				} else if (ret2 &&
+					(!f2fs_compress_write_end(inode,
+						fsdata, page->index, 1) ||
+					 !f2fs_all_cluster_page_loaded(&cc,
+						&pvec, i, nr_pages))) {
+					retry = 1;
+					break;
 				}
 			}
 #endif
@@ -3152,8 +3103,7 @@
 				} else if (ret == -EAGAIN) {
 					ret = 0;
 					if (wbc->sync_mode == WB_SYNC_ALL) {
-						cond_resched();
-						congestion_wait(BLK_RW_ASYNC,
+						f2fs_io_schedule_timeout(
 							DEFAULT_IO_TIMEOUT);
 						goto retry_write;
 					}
@@ -3222,7 +3172,7 @@
 	if (IS_NOQUOTA(inode))
 		return false;
 
-	if (f2fs_compressed_file(inode))
+	if (f2fs_need_compress_data(inode))
 		return true;
 	if (wbc->sync_mode != WB_SYNC_ALL)
 		return true;
@@ -3259,8 +3209,8 @@
 			f2fs_available_free_memory(sbi, DIRTY_DENTS))
 		goto skip_write;
 
-	/* skip writing during file defragment */
-	if (is_inode_flag_set(inode, FI_DO_DEFRAG))
+	/* skip writing in file defragment preparing stage */
+	if (is_inode_flag_set(inode, FI_SKIP_WRITES))
 		goto skip_write;
 
 	trace_f2fs_writepages(mapping->host, wbc, DATA);
@@ -3313,9 +3263,8 @@
 			FS_CP_DATA_IO : FS_DATA_IO);
 }
 
-static void f2fs_write_failed(struct address_space *mapping, loff_t to)
+void f2fs_write_failed(struct inode *inode, loff_t to)
 {
-	struct inode *inode = mapping->host;
 	loff_t i_size = i_size_read(inode);
 
 	if (IS_NOQUOTA(inode))
@@ -3323,14 +3272,14 @@
 
 	/* In the fs-verity case, f2fs_end_enable_verity() does the truncate */
 	if (to > i_size && !f2fs_verity_in_progress(inode)) {
-		down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-		down_write(&F2FS_I(inode)->i_mmap_sem);
+		f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+		f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 		truncate_pagecache(inode, i_size);
 		f2fs_truncate_blocks(inode, i_size, true);
 
-		up_write(&F2FS_I(inode)->i_mmap_sem);
-		up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+		f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+		f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	}
 }
 
@@ -3343,17 +3292,15 @@
 	struct dnode_of_data dn;
 	struct page *ipage;
 	bool locked = false;
-	struct extent_info ei = {0,0,0};
+	struct extent_info ei = {0, };
 	int err = 0;
 	int flag;
 
 	/*
-	 * we already allocated all the blocks, so we don't need to get
-	 * the block addresses when there is no need to fill the page.
+	 * If a whole page is being written and we already preallocated all the
+	 * blocks, then there is no need to get a block address now.
 	 */
-	if (!f2fs_has_inline_data(inode) && len == PAGE_SIZE &&
-	    !is_inode_flag_set(inode, FI_NO_PREALLOC) &&
-	    !f2fs_verity_in_progress(inode))
+	if (len == PAGE_SIZE && is_inode_flag_set(inode, FI_PREALLOCATED_ALL))
 		return 0;
 
 	/* f2fs_lock_op avoids race between write CP and convert_inline_page */
@@ -3383,7 +3330,7 @@
 			f2fs_do_read_inline_data(page, ipage);
 			set_inode_flag(inode, FI_DATA_EXIST);
 			if (inode->i_nlink)
-				set_inline_node(ipage);
+				set_page_private_inline(ipage);
 		} else {
 			err = f2fs_convert_inline_page(&dn, page);
 			if (err)
@@ -3433,6 +3380,22 @@
 	block_t blkaddr = NULL_ADDR;
 	int err = 0;
 
+	/*
+	 * Should avoid quota operations which can make deadlock:
+	 * kswapd -> f2fs_evict_inode -> dquot_drop ->
+	 *   f2fs_dquot_commit -> f2fs_write_begin ->
+	 *   d_obtain_alias -> __d_alloc -> kmem_cache_alloc(GFP_KERNEL)
+	 */
+	if (trace_android_fs_datawrite_start_enabled() && !IS_NOQUOTA(inode)) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_datawrite_start(inode, pos, len,
+						 current->pid, path,
+						 current->comm);
+	}
 	trace_f2fs_write_begin(inode, pos, len, flags);
 
 	if (!f2fs_is_checkpoint_ready(sbi)) {
@@ -3550,7 +3513,7 @@
 
 fail:
 	f2fs_put_page(page, 1);
-	f2fs_write_failed(mapping, pos + len);
+	f2fs_write_failed(inode, pos + len);
 	if (drop_atomic)
 		f2fs_drop_inmem_pages_all(sbi, false);
 	return err;
@@ -3563,6 +3526,7 @@
 {
 	struct inode *inode = page->mapping->host;
 
+	trace_android_fs_datawrite_end(inode, pos, len);
 	trace_f2fs_write_end(inode, pos, len, copied);
 
 	/*
@@ -3604,158 +3568,6 @@
 	return copied;
 }
 
-static int check_direct_IO(struct inode *inode, struct iov_iter *iter,
-			   loff_t offset)
-{
-	unsigned i_blkbits = READ_ONCE(inode->i_blkbits);
-	unsigned blkbits = i_blkbits;
-	unsigned blocksize_mask = (1 << blkbits) - 1;
-	unsigned long align = offset | iov_iter_alignment(iter);
-	struct block_device *bdev = inode->i_sb->s_bdev;
-
-	if (iov_iter_rw(iter) == READ && offset >= i_size_read(inode))
-		return 1;
-
-	if (align & blocksize_mask) {
-		if (bdev)
-			blkbits = blksize_bits(bdev_logical_block_size(bdev));
-		blocksize_mask = (1 << blkbits) - 1;
-		if (align & blocksize_mask)
-			return -EINVAL;
-		return 1;
-	}
-	return 0;
-}
-
-static void f2fs_dio_end_io(struct bio *bio)
-{
-	struct f2fs_private_dio *dio = bio->bi_private;
-
-	dec_page_count(F2FS_I_SB(dio->inode),
-			dio->write ? F2FS_DIO_WRITE : F2FS_DIO_READ);
-
-	bio->bi_private = dio->orig_private;
-	bio->bi_end_io = dio->orig_end_io;
-
-	kfree(dio);
-
-	bio_endio(bio);
-}
-
-static void f2fs_dio_submit_bio(struct bio *bio, struct inode *inode,
-							loff_t file_offset)
-{
-	struct f2fs_private_dio *dio;
-	bool write = (bio_op(bio) == REQ_OP_WRITE);
-
-	dio = f2fs_kzalloc(F2FS_I_SB(inode),
-			sizeof(struct f2fs_private_dio), GFP_NOFS);
-	if (!dio)
-		goto out;
-
-	dio->inode = inode;
-	dio->orig_end_io = bio->bi_end_io;
-	dio->orig_private = bio->bi_private;
-	dio->write = write;
-
-	bio->bi_end_io = f2fs_dio_end_io;
-	bio->bi_private = dio;
-
-	inc_page_count(F2FS_I_SB(inode),
-			write ? F2FS_DIO_WRITE : F2FS_DIO_READ);
-
-	submit_bio(bio);
-	return;
-out:
-	bio->bi_status = BLK_STS_IOERR;
-	bio_endio(bio);
-}
-
-static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
-{
-	struct address_space *mapping = iocb->ki_filp->f_mapping;
-	struct inode *inode = mapping->host;
-	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-	struct f2fs_inode_info *fi = F2FS_I(inode);
-	size_t count = iov_iter_count(iter);
-	loff_t offset = iocb->ki_pos;
-	int rw = iov_iter_rw(iter);
-	int err;
-	enum rw_hint hint = iocb->ki_hint;
-	int whint_mode = F2FS_OPTION(sbi).whint_mode;
-	bool do_opu;
-
-	err = check_direct_IO(inode, iter, offset);
-	if (err)
-		return err < 0 ? err : 0;
-
-	if (f2fs_force_buffered_io(inode, iocb, iter))
-		return 0;
-
-	do_opu = allow_outplace_dio(inode, iocb, iter);
-
-	trace_f2fs_direct_IO_enter(inode, offset, count, rw);
-
-	if (rw == WRITE && whint_mode == WHINT_MODE_OFF)
-		iocb->ki_hint = WRITE_LIFE_NOT_SET;
-
-	if (iocb->ki_flags & IOCB_NOWAIT) {
-		if (!down_read_trylock(&fi->i_gc_rwsem[rw])) {
-			iocb->ki_hint = hint;
-			err = -EAGAIN;
-			goto out;
-		}
-		if (do_opu && !down_read_trylock(&fi->i_gc_rwsem[READ])) {
-			up_read(&fi->i_gc_rwsem[rw]);
-			iocb->ki_hint = hint;
-			err = -EAGAIN;
-			goto out;
-		}
-	} else {
-		down_read(&fi->i_gc_rwsem[rw]);
-		if (do_opu)
-			down_read(&fi->i_gc_rwsem[READ]);
-	}
-
-	err = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev,
-			iter, rw == WRITE ? get_data_block_dio_write :
-			get_data_block_dio, NULL, f2fs_dio_submit_bio,
-			rw == WRITE ? DIO_LOCKING | DIO_SKIP_HOLES :
-			DIO_SKIP_HOLES);
-
-	if (do_opu)
-		up_read(&fi->i_gc_rwsem[READ]);
-
-	up_read(&fi->i_gc_rwsem[rw]);
-
-	if (rw == WRITE) {
-		if (whint_mode == WHINT_MODE_OFF)
-			iocb->ki_hint = hint;
-		if (err > 0) {
-			f2fs_update_iostat(F2FS_I_SB(inode), APP_DIRECT_IO,
-									err);
-			if (!do_opu)
-				set_inode_flag(inode, FI_UPDATE_WRITE);
-		} else if (err == -EIOCBQUEUED) {
-			f2fs_update_iostat(F2FS_I_SB(inode), APP_DIRECT_IO,
-						count - iov_iter_count(iter));
-		} else if (err < 0) {
-			f2fs_write_failed(mapping, offset + count);
-		}
-	} else {
-		if (err > 0)
-			f2fs_update_iostat(sbi, APP_DIRECT_READ_IO, err);
-		else if (err == -EIOCBQUEUED)
-			f2fs_update_iostat(F2FS_I_SB(inode), APP_DIRECT_READ_IO,
-						count - iov_iter_count(iter));
-	}
-
-out:
-	trace_f2fs_direct_IO_exit(inode, offset, count, rw, err);
-
-	return err;
-}
-
 void f2fs_invalidate_page(struct page *page, unsigned int offset,
 							unsigned int length)
 {
@@ -3777,12 +3589,17 @@
 		}
 	}
 
-	clear_cold_data(page);
+	clear_page_private_gcing(page);
 
-	if (IS_ATOMIC_WRITTEN_PAGE(page))
+	if (test_opt(sbi, COMPRESS_CACHE) &&
+			inode->i_ino == F2FS_COMPRESS_INO(sbi))
+		clear_page_private_data(page);
+
+	if (page_private_atomic(page))
 		return f2fs_drop_inmem_page(inode, page);
 
-	f2fs_clear_page_private(page);
+	detach_page_private(page);
+	set_page_private(page, 0);
 }
 
 int f2fs_release_page(struct page *page, gfp_t wait)
@@ -3792,11 +3609,20 @@
 		return 0;
 
 	/* This is atomic written page, keep Private */
-	if (IS_ATOMIC_WRITTEN_PAGE(page))
+	if (page_private_atomic(page))
 		return 0;
 
-	clear_cold_data(page);
-	f2fs_clear_page_private(page);
+	if (test_opt(F2FS_P_SB(page), COMPRESS_CACHE)) {
+		struct inode *inode = page->mapping->host;
+
+		if (inode->i_ino == F2FS_COMPRESS_INO(F2FS_I_SB(inode)))
+			clear_page_private_data(page);
+	}
+
+	clear_page_private_gcing(page);
+
+	detach_page_private(page);
+	set_page_private(page, 0);
 	return 1;
 }
 
@@ -3812,7 +3638,7 @@
 		return __set_page_dirty_nobuffers(page);
 
 	if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) {
-		if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
+		if (!page_private_atomic(page)) {
 			f2fs_register_inmem_page(inode, page);
 			return 1;
 		}
@@ -3864,9 +3690,6 @@
 static sector_t f2fs_bmap(struct address_space *mapping, sector_t block)
 {
 	struct inode *inode = mapping->host;
-	struct buffer_head tmp = {
-		.b_size = i_blocksize(inode),
-	};
 	sector_t blknr = 0;
 
 	if (f2fs_has_inline_data(inode))
@@ -3877,14 +3700,22 @@
 		filemap_write_and_wait(mapping);
 
 	/* Block number less than F2FS MAX BLOCKS */
-	if (unlikely(block >= F2FS_I_SB(inode)->max_file_blocks))
+	if (unlikely(block >= max_file_blocks(inode)))
 		goto out;
 
 	if (f2fs_compressed_file(inode)) {
 		blknr = f2fs_bmap_compress(inode, block);
 	} else {
-		if (!get_data_block_bmap(inode, block, &tmp, 0))
-			blknr = tmp.b_blocknr;
+		struct f2fs_map_blocks map;
+
+		memset(&map, 0, sizeof(map));
+		map.m_lblk = block;
+		map.m_len = 1;
+		map.m_next_pgofs = NULL;
+		map.m_seg_type = NO_CHECK_TYPE;
+
+		if (!f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_BMAP))
+			blknr = map.m_pblk;
 	}
 out:
 	trace_f2fs_bmap(inode, block, blknr);
@@ -3899,7 +3730,7 @@
 {
 	int rc, extra_count;
 	struct f2fs_inode_info *fi = F2FS_I(mapping->host);
-	bool atomic_written = IS_ATOMIC_WRITTEN_PAGE(page);
+	bool atomic_written = page_private_atomic(page);
 
 	BUG_ON(PageWriteback(page));
 
@@ -3923,6 +3754,7 @@
 
 	if (atomic_written) {
 		struct inmem_pages *cur;
+
 		list_for_each_entry(cur, &fi->inmem_pages, list)
 			if (cur->page == page) {
 				cur->page = newpage;
@@ -3933,9 +3765,16 @@
 		get_page(newpage);
 	}
 
+	/* guarantee to start from no stale private field */
+	set_page_private(newpage, 0);
 	if (PagePrivate(page)) {
-		f2fs_set_page_private(newpage, page_private(page));
-		f2fs_clear_page_private(page);
+		set_page_private(newpage, page_private(page));
+		SetPagePrivate(newpage);
+		get_page(newpage);
+
+		set_page_private(page, 0);
+		ClearPagePrivate(page);
+		put_page(page);
 	}
 
 	if (mode != MIGRATE_SYNC_NO_COPY)
@@ -3948,11 +3787,73 @@
 #endif
 
 #ifdef CONFIG_SWAP
-static int check_swap_activate_fast(struct swap_info_struct *sis,
+static int f2fs_migrate_blocks(struct inode *inode, block_t start_blk,
+							unsigned int blkcnt)
+{
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	unsigned int blkofs;
+	unsigned int blk_per_sec = BLKS_PER_SEC(sbi);
+	unsigned int secidx = start_blk / blk_per_sec;
+	unsigned int end_sec = secidx + blkcnt / blk_per_sec;
+	int ret = 0;
+
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
+
+	set_inode_flag(inode, FI_ALIGNED_WRITE);
+	set_inode_flag(inode, FI_OPU_WRITE);
+
+	for (; secidx < end_sec; secidx++) {
+		f2fs_down_write(&sbi->pin_sem);
+
+		f2fs_lock_op(sbi);
+		f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED, false);
+		f2fs_unlock_op(sbi);
+
+		set_inode_flag(inode, FI_SKIP_WRITES);
+
+		for (blkofs = 0; blkofs < blk_per_sec; blkofs++) {
+			struct page *page;
+			unsigned int blkidx = secidx * blk_per_sec + blkofs;
+
+			page = f2fs_get_lock_data_page(inode, blkidx, true);
+			if (IS_ERR(page)) {
+				f2fs_up_write(&sbi->pin_sem);
+				ret = PTR_ERR(page);
+				goto done;
+			}
+
+			set_page_dirty(page);
+			f2fs_put_page(page, 1);
+		}
+
+		clear_inode_flag(inode, FI_SKIP_WRITES);
+
+		ret = filemap_fdatawrite(inode->i_mapping);
+
+		f2fs_up_write(&sbi->pin_sem);
+
+		if (ret)
+			break;
+	}
+
+done:
+	clear_inode_flag(inode, FI_SKIP_WRITES);
+	clear_inode_flag(inode, FI_OPU_WRITE);
+	clear_inode_flag(inode, FI_ALIGNED_WRITE);
+
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+
+	return ret;
+}
+
+static int check_swap_activate(struct swap_info_struct *sis,
 				struct file *swap_file, sector_t *span)
 {
 	struct address_space *mapping = swap_file->f_mapping;
 	struct inode *inode = mapping->host;
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	sector_t cur_lblock;
 	sector_t last_lblock;
 	sector_t pblock;
@@ -3960,38 +3861,67 @@
 	sector_t highest_pblock = 0;
 	int nr_extents = 0;
 	unsigned long nr_pblocks;
-	unsigned long len;
-	int ret;
+	unsigned int blks_per_sec = BLKS_PER_SEC(sbi);
+	unsigned int sec_blks_mask = BLKS_PER_SEC(sbi) - 1;
+	unsigned int not_aligned = 0;
+	int ret = 0;
 
 	/*
 	 * Map all the blocks into the extent list.  This code doesn't try
 	 * to be very smart.
 	 */
 	cur_lblock = 0;
-	last_lblock = logical_to_blk(inode, i_size_read(inode));
-	len = i_size_read(inode);
+	last_lblock = bytes_to_blks(inode, i_size_read(inode));
 
-	while (cur_lblock <= last_lblock && cur_lblock < sis->max) {
-		struct buffer_head map_bh;
-		pgoff_t next_pgofs;
-
+	while (cur_lblock < last_lblock && cur_lblock < sis->max) {
+		struct f2fs_map_blocks map;
+retry:
 		cond_resched();
 
-		memset(&map_bh, 0, sizeof(struct buffer_head));
-		map_bh.b_size = len - cur_lblock;
+		memset(&map, 0, sizeof(map));
+		map.m_lblk = cur_lblock;
+		map.m_len = last_lblock - cur_lblock;
+		map.m_next_pgofs = NULL;
+		map.m_next_extent = NULL;
+		map.m_seg_type = NO_CHECK_TYPE;
+		map.m_may_create = false;
 
-		ret = get_data_block(inode, cur_lblock, &map_bh, 0,
-					F2FS_GET_BLOCK_FIEMAP, &next_pgofs);
+		ret = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_FIEMAP);
 		if (ret)
-			goto err_out;
+			goto out;
 
 		/* hole */
-		if (!buffer_mapped(&map_bh))
-			goto err_out;
+		if (!(map.m_flags & F2FS_MAP_FLAGS)) {
+			f2fs_err(sbi, "Swapfile has holes");
+			ret = -EINVAL;
+			goto out;
+		}
 
-		pblock = map_bh.b_blocknr;
-		nr_pblocks = logical_to_blk(inode, map_bh.b_size);
+		pblock = map.m_pblk;
+		nr_pblocks = map.m_len;
 
+		if ((pblock - SM_I(sbi)->main_blkaddr) & sec_blks_mask ||
+				nr_pblocks & sec_blks_mask) {
+			not_aligned++;
+
+			nr_pblocks = roundup(nr_pblocks, blks_per_sec);
+			if (cur_lblock + nr_pblocks > sis->max)
+				nr_pblocks -= blks_per_sec;
+
+			if (!nr_pblocks) {
+				/* this extent is last one */
+				nr_pblocks = map.m_len;
+				f2fs_warn(sbi, "Swapfile: last extent is not aligned to section");
+				goto next;
+			}
+
+			ret = f2fs_migrate_blocks(inode, cur_lblock,
+							nr_pblocks);
+			if (ret)
+				goto out;
+			goto retry;
+		}
+next:
 		if (cur_lblock + nr_pblocks >= sis->max)
 			nr_pblocks = sis->max - cur_lblock;
 
@@ -4019,112 +3949,10 @@
 	sis->pages = cur_lblock - 1;
 	sis->highest_bit = cur_lblock - 1;
 out:
+	if (not_aligned)
+		f2fs_warn(sbi, "Swapfile (%u) is not align to section: 1) creat(), 2) ioctl(F2FS_IOC_SET_PIN_FILE), 3) fallocate(%u * N)",
+			  not_aligned, blks_per_sec * F2FS_BLKSIZE);
 	return ret;
-err_out:
-	pr_err("swapon: swapfile has holes\n");
-	return -EINVAL;
-}
-
-/* Copied from generic_swapfile_activate() to check any holes */
-static int check_swap_activate(struct swap_info_struct *sis,
-				struct file *swap_file, sector_t *span)
-{
-	struct address_space *mapping = swap_file->f_mapping;
-	struct inode *inode = mapping->host;
-	unsigned blocks_per_page;
-	unsigned long page_no;
-	unsigned blkbits;
-	sector_t probe_block;
-	sector_t last_block;
-	sector_t lowest_block = -1;
-	sector_t highest_block = 0;
-	int nr_extents = 0;
-	int ret;
-
-	if (PAGE_SIZE == F2FS_BLKSIZE)
-		return check_swap_activate_fast(sis, swap_file, span);
-
-	blkbits = inode->i_blkbits;
-	blocks_per_page = PAGE_SIZE >> blkbits;
-
-	/*
-	 * Map all the blocks into the extent list.  This code doesn't try
-	 * to be very smart.
-	 */
-	probe_block = 0;
-	page_no = 0;
-	last_block = i_size_read(inode) >> blkbits;
-	while ((probe_block + blocks_per_page) <= last_block &&
-			page_no < sis->max) {
-		unsigned block_in_page;
-		sector_t first_block;
-		sector_t block = 0;
-		int	 err = 0;
-
-		cond_resched();
-
-		block = probe_block;
-		err = bmap(inode, &block);
-		if (err || !block)
-			goto bad_bmap;
-		first_block = block;
-
-		/*
-		 * It must be PAGE_SIZE aligned on-disk
-		 */
-		if (first_block & (blocks_per_page - 1)) {
-			probe_block++;
-			goto reprobe;
-		}
-
-		for (block_in_page = 1; block_in_page < blocks_per_page;
-					block_in_page++) {
-
-			block = probe_block + block_in_page;
-			err = bmap(inode, &block);
-
-			if (err || !block)
-				goto bad_bmap;
-
-			if (block != first_block + block_in_page) {
-				/* Discontiguity */
-				probe_block++;
-				goto reprobe;
-			}
-		}
-
-		first_block >>= (PAGE_SHIFT - blkbits);
-		if (page_no) {	/* exclude the header page */
-			if (first_block < lowest_block)
-				lowest_block = first_block;
-			if (first_block > highest_block)
-				highest_block = first_block;
-		}
-
-		/*
-		 * We found a PAGE_SIZE-length, PAGE_SIZE-aligned run of blocks
-		 */
-		ret = add_swap_extent(sis, page_no, 1, first_block);
-		if (ret < 0)
-			goto out;
-		nr_extents += ret;
-		page_no++;
-		probe_block += blocks_per_page;
-reprobe:
-		continue;
-	}
-	ret = nr_extents;
-	*span = 1 + highest_block - lowest_block;
-	if (page_no == 0)
-		page_no = 1;	/* force Empty message */
-	sis->max = page_no;
-	sis->pages = page_no - 1;
-	sis->highest_bit = page_no - 1;
-out:
-	return ret;
-bad_bmap:
-	pr_err("swapon: swapfile has holes\n");
-	return -EINVAL;
 }
 
 static int f2fs_swap_activate(struct swap_info_struct *sis, struct file *file,
@@ -4152,12 +3980,13 @@
 	if (!f2fs_disable_compressed_file(inode))
 		return -EINVAL;
 
+	f2fs_precache_extents(inode);
+
 	ret = check_swap_activate(sis, file, span);
 	if (ret < 0)
 		return ret;
 
 	set_inode_flag(inode, FI_PIN_FILE);
-	f2fs_precache_extents(inode);
 	f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
 	return ret;
 }
@@ -4190,7 +4019,7 @@
 	.set_page_dirty	= f2fs_set_data_page_dirty,
 	.invalidatepage	= f2fs_invalidate_page,
 	.releasepage	= f2fs_release_page,
-	.direct_IO	= f2fs_direct_IO,
+	.direct_IO	= noop_direct_IO,
 	.bmap		= f2fs_bmap,
 	.swap_activate  = f2fs_swap_activate,
 	.swap_deactivate = f2fs_swap_deactivate,
@@ -4270,3 +4099,65 @@
 {
 	kmem_cache_destroy(bio_entry_slab);
 }
+
+static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
+			    unsigned int flags, struct iomap *iomap,
+			    struct iomap *srcmap)
+{
+	struct f2fs_map_blocks map = {};
+	pgoff_t next_pgofs = 0;
+	int err;
+
+	map.m_lblk = bytes_to_blks(inode, offset);
+	map.m_len = bytes_to_blks(inode, offset + length - 1) - map.m_lblk + 1;
+	map.m_next_pgofs = &next_pgofs;
+	map.m_seg_type = f2fs_rw_hint_to_seg_type(inode->i_write_hint);
+	if (flags & IOMAP_WRITE)
+		map.m_may_create = true;
+
+	err = f2fs_map_blocks(inode, &map, flags & IOMAP_WRITE,
+			      F2FS_GET_BLOCK_DIO);
+	if (err)
+		return err;
+
+	iomap->offset = blks_to_bytes(inode, map.m_lblk);
+
+	/*
+	 * When inline encryption is enabled, sometimes I/O to an encrypted file
+	 * has to be broken up to guarantee DUN contiguity.  Handle this by
+	 * limiting the length of the mapping returned.
+	 */
+	map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len);
+
+	if (map.m_flags & (F2FS_MAP_MAPPED | F2FS_MAP_UNWRITTEN)) {
+		iomap->length = blks_to_bytes(inode, map.m_len);
+		if (map.m_flags & F2FS_MAP_MAPPED) {
+			iomap->type = IOMAP_MAPPED;
+			iomap->flags |= IOMAP_F_MERGED;
+		} else {
+			iomap->type = IOMAP_UNWRITTEN;
+		}
+		if (WARN_ON_ONCE(!__is_valid_data_blkaddr(map.m_pblk)))
+			return -EINVAL;
+
+		iomap->bdev = map.m_bdev;
+		iomap->addr = blks_to_bytes(inode, map.m_pblk);
+	} else {
+		iomap->length = blks_to_bytes(inode, next_pgofs) -
+				iomap->offset;
+		iomap->type = IOMAP_HOLE;
+		iomap->addr = IOMAP_NULL_ADDR;
+	}
+
+	if (map.m_flags & F2FS_MAP_NEW)
+		iomap->flags |= IOMAP_F_NEW;
+	if ((inode->i_state & I_DIRTY_DATASYNC) ||
+	    offset + length > i_size_read(inode))
+		iomap->flags |= IOMAP_F_DIRTY;
+
+	return 0;
+}
+
+const struct iomap_ops f2fs_iomap_ops = {
+	.iomap_begin	= f2fs_iomap_begin,
+};
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 197c914..fcdf253 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -21,7 +21,7 @@
 #include "gc.h"
 
 static LIST_HEAD(f2fs_stat_list);
-static DEFINE_MUTEX(f2fs_stat_mutex);
+static DEFINE_RAW_SPINLOCK(f2fs_stat_lock);
 #ifdef CONFIG_DEBUG_FS
 static struct dentry *f2fs_debugfs_root;
 #endif
@@ -120,6 +120,13 @@
 			atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
 		si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks;
 	}
+	si->nr_issued_ckpt = atomic_read(&sbi->cprc_info.issued_ckpt);
+	si->nr_total_ckpt = atomic_read(&sbi->cprc_info.total_ckpt);
+	si->nr_queued_ckpt = atomic_read(&sbi->cprc_info.queued_ckpt);
+	spin_lock(&sbi->cprc_info.stat_lock);
+	si->cur_ckpt_time = sbi->cprc_info.cur_time;
+	si->peak_ckpt_time = sbi->cprc_info.peak_time;
+	spin_unlock(&sbi->cprc_info.stat_lock);
 	si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
 	si->rsvd_segs = reserved_segments(sbi);
 	si->overp_segs = overprovision_segments(sbi);
@@ -145,6 +152,12 @@
 		si->node_pages = NODE_MAPPING(sbi)->nrpages;
 	if (sbi->meta_inode)
 		si->meta_pages = META_MAPPING(sbi)->nrpages;
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (sbi->compress_inode) {
+		si->compress_pages = COMPRESS_MAPPING(sbi)->nrpages;
+		si->compress_page_hit = atomic_read(&sbi->compress_page_hit);
+	}
+#endif
 	si->nats = NM_I(sbi)->nat_cnt[TOTAL_NAT];
 	si->dirty_nats = NM_I(sbi)->nat_cnt[DIRTY_NAT];
 	si->sits = MAIN_SEGS(sbi);
@@ -166,6 +179,7 @@
 	si->util_invalid = 50 - si->util_free - si->util_valid;
 	for (i = CURSEG_HOT_DATA; i < NO_CHECK_TYPE; i++) {
 		struct curseg_info *curseg = CURSEG_I(sbi, i);
+
 		si->curseg[i] = curseg->segno;
 		si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno);
 		si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]);
@@ -293,21 +307,47 @@
 	si->page_mem = 0;
 	if (sbi->node_inode) {
 		unsigned npages = NODE_MAPPING(sbi)->nrpages;
+
 		si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
 	}
 	if (sbi->meta_inode) {
 		unsigned npages = META_MAPPING(sbi)->nrpages;
+
 		si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
 	}
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (sbi->compress_inode) {
+		unsigned npages = COMPRESS_MAPPING(sbi)->nrpages;
+		si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
+	}
+#endif
 }
 
+static char *s_flag[] = {
+	[SBI_IS_DIRTY]		= " fs_dirty",
+	[SBI_IS_CLOSE]		= " closing",
+	[SBI_NEED_FSCK]		= " need_fsck",
+	[SBI_POR_DOING]		= " recovering",
+	[SBI_NEED_SB_WRITE]	= " sb_dirty",
+	[SBI_NEED_CP]		= " need_cp",
+	[SBI_IS_SHUTDOWN]	= " shutdown",
+	[SBI_IS_RECOVERED]	= " recovered",
+	[SBI_CP_DISABLED]	= " cp_disabled",
+	[SBI_CP_DISABLED_QUICK]	= " cp_disabled_quick",
+	[SBI_QUOTA_NEED_FLUSH]	= " quota_need_flush",
+	[SBI_QUOTA_SKIP_FLUSH]	= " quota_skip_flush",
+	[SBI_QUOTA_NEED_REPAIR]	= " quota_need_repair",
+	[SBI_IS_RESIZEFS]	= " resizefs",
+	[SBI_IS_FREEZING]	= " freezefs",
+};
+
 static int stat_show(struct seq_file *s, void *v)
 {
 	struct f2fs_stat_info *si;
-	int i = 0;
-	int j;
+	int i = 0, j = 0;
+	unsigned long flags;
 
-	mutex_lock(&f2fs_stat_mutex);
+	raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
 	list_for_each_entry(si, &f2fs_stat_list, stat_list) {
 		update_general_status(si->sbi);
 
@@ -315,7 +355,13 @@
 			si->sbi->sb->s_bdev, i++,
 			f2fs_readonly(si->sbi->sb) ? "RO": "RW",
 			is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ?
-			"Disabled": (f2fs_cp_error(si->sbi) ? "Error": "Good"));
+			"Disabled" : (f2fs_cp_error(si->sbi) ? "Error" : "Good"));
+		if (si->sbi->s_flag) {
+			seq_puts(s, "[SBI:");
+			for_each_set_bit(j, &si->sbi->s_flag, 32)
+				seq_puts(s, s_flag[j]);
+			seq_puts(s, "]\n");
+		}
 		seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
 			   si->sit_area_segs, si->nat_area_segs);
 		seq_printf(s, "[SSA: %d] [MAIN: %d",
@@ -417,12 +463,28 @@
 				si->meta_count[META_NAT]);
 		seq_printf(s, "  - ssa blocks : %u\n",
 				si->meta_count[META_SSA]);
+		seq_printf(s, "CP merge (Queued: %4d, Issued: %4d, Total: %4d, "
+				"Cur time: %4d(ms), Peak time: %4d(ms))\n",
+				si->nr_queued_ckpt, si->nr_issued_ckpt,
+				si->nr_total_ckpt, si->cur_ckpt_time,
+				si->peak_ckpt_time);
 		seq_printf(s, "GC calls: %d (BG: %d)\n",
 			   si->call_count, si->bg_gc);
 		seq_printf(s, "  - data segments : %d (%d)\n",
 				si->data_segs, si->bg_data_segs);
 		seq_printf(s, "  - node segments : %d (%d)\n",
 				si->node_segs, si->bg_node_segs);
+		seq_printf(s, "  - Reclaimed segs : Normal (%d), Idle CB (%d), "
+				"Idle Greedy (%d), Idle AT (%d), "
+				"Urgent High (%d), Urgent Mid (%d), "
+				"Urgent Low (%d)\n",
+				si->sbi->gc_reclaimed_segs[GC_NORMAL],
+				si->sbi->gc_reclaimed_segs[GC_IDLE_CB],
+				si->sbi->gc_reclaimed_segs[GC_IDLE_GREEDY],
+				si->sbi->gc_reclaimed_segs[GC_IDLE_AT],
+				si->sbi->gc_reclaimed_segs[GC_URGENT_HIGH],
+				si->sbi->gc_reclaimed_segs[GC_URGENT_MID],
+				si->sbi->gc_reclaimed_segs[GC_URGENT_LOW]);
 		seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks,
 				si->bg_data_blks + si->bg_node_blks);
 		seq_printf(s, "  - data blocks : %d (%d)\n", si->data_blks,
@@ -461,6 +523,7 @@
 			"volatile IO: %4d (Max. %4d)\n",
 			   si->inmem_pages, si->aw_cnt, si->max_aw_cnt,
 			   si->vw_cnt, si->max_vw_cnt);
+		seq_printf(s, "  - compress: %4d, hit:%8d\n", si->compress_pages, si->compress_page_hit);
 		seq_printf(s, "  - nodes: %4d in %4d\n",
 			   si->ndirty_node, si->node_pages);
 		seq_printf(s, "  - dents: %4d in dirs:%4d (%4d)\n",
@@ -473,6 +536,9 @@
 			   si->ndirty_meta, si->meta_pages);
 		seq_printf(s, "  - imeta: %4d\n",
 			   si->ndirty_imeta);
+		seq_printf(s, "  - fsync mark: %4lld\n",
+			   percpu_counter_sum_positive(
+					&si->sbi->rf_node_block_count));
 		seq_printf(s, "  - NATs: %9d/%9d\n  - SITs: %9d/%9d\n",
 			   si->dirty_nats, si->nats, si->dirty_sits, si->sits);
 		seq_printf(s, "  - free_nids: %9d/%9d\n  - alloc_nids: %9d\n",
@@ -514,7 +580,7 @@
 		seq_printf(s, "  - paged : %llu KB\n",
 				si->page_mem >> 10);
 	}
-	mutex_unlock(&f2fs_stat_mutex);
+	raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
 	return 0;
 }
 
@@ -525,6 +591,7 @@
 {
 	struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
 	struct f2fs_stat_info *si;
+	unsigned long flags;
 	int i;
 
 	si = f2fs_kzalloc(sbi, sizeof(struct f2fs_stat_info), GFP_KERNEL);
@@ -560,9 +627,9 @@
 	atomic_set(&sbi->max_aw_cnt, 0);
 	atomic_set(&sbi->max_vw_cnt, 0);
 
-	mutex_lock(&f2fs_stat_mutex);
+	raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
 	list_add_tail(&si->stat_list, &f2fs_stat_list);
-	mutex_unlock(&f2fs_stat_mutex);
+	raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
 
 	return 0;
 }
@@ -570,10 +637,11 @@
 void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_stat_info *si = F2FS_STAT(sbi);
+	unsigned long flags;
 
-	mutex_lock(&f2fs_stat_mutex);
+	raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
 	list_del(&si->stat_list);
-	mutex_unlock(&f2fs_stat_mutex);
+	raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
 
 	kfree(si);
 }
@@ -583,7 +651,7 @@
 #ifdef CONFIG_DEBUG_FS
 	f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL);
 
-	debugfs_create_file("status", S_IRUGO, f2fs_debugfs_root, NULL,
+	debugfs_create_file("status", 0444, f2fs_debugfs_root, NULL,
 			    &stat_fops);
 #endif
 }
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 6694298..281241c 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -5,6 +5,7 @@
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com/
  */
+#include <asm/unaligned.h>
 #include <linux/fs.h>
 #include <linux/f2fs_fs.h>
 #include <linux/sched/signal.h>
@@ -15,6 +16,10 @@
 #include "xattr.h"
 #include <trace/events/f2fs.h>
 
+#ifdef CONFIG_UNICODE
+extern struct kmem_cache *f2fs_cf_name_slab;
+#endif
+
 static unsigned long dir_blocks(struct inode *inode)
 {
 	return ((unsigned long long) (i_size_read(inode) + PAGE_SIZE - 1))
@@ -76,11 +81,11 @@
 {
 #ifdef CONFIG_UNICODE
 	struct super_block *sb = dir->i_sb;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
 
-	if (IS_CASEFOLDED(dir)) {
-		fname->cf_name.name = f2fs_kmalloc(sbi, F2FS_NAME_LEN,
-						   GFP_NOFS);
+	if (IS_CASEFOLDED(dir) &&
+	    !is_dot_dotdot(fname->usr_fname->name, fname->usr_fname->len)) {
+		fname->cf_name.name = f2fs_kmem_cache_alloc(f2fs_cf_name_slab,
+					GFP_NOFS, false, F2FS_SB(sb));
 		if (!fname->cf_name.name)
 			return -ENOMEM;
 		fname->cf_name.len = utf8_casefold(sb->s_encoding,
@@ -88,7 +93,7 @@
 						   fname->cf_name.name,
 						   F2FS_NAME_LEN);
 		if ((int)fname->cf_name.len <= 0) {
-			kfree(fname->cf_name.name);
+			kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
 			fname->cf_name.name = NULL;
 			if (sb_has_strict_encoding(sb))
 				return -EINVAL;
@@ -171,8 +176,10 @@
 	fname->crypto_buf.name = NULL;
 #endif
 #ifdef CONFIG_UNICODE
-	kfree(fname->cf_name.name);
-	fname->cf_name.name = NULL;
+	if (fname->cf_name.name) {
+		kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
+		fname->cf_name.name = NULL;
+	}
 #endif
 }
 
@@ -206,30 +213,55 @@
 /*
  * Test whether a case-insensitive directory entry matches the filename
  * being searched for.
+ *
+ * Returns 1 for a match, 0 for no match, and -errno on an error.
  */
-static bool f2fs_match_ci_name(const struct inode *dir, const struct qstr *name,
+static int f2fs_match_ci_name(const struct inode *dir, const struct qstr *name,
 			       const u8 *de_name, u32 de_name_len)
 {
 	const struct super_block *sb = dir->i_sb;
 	const struct unicode_map *um = sb->s_encoding;
+	struct fscrypt_str decrypted_name = FSTR_INIT(NULL, de_name_len);
 	struct qstr entry = QSTR_INIT(de_name, de_name_len);
 	int res;
 
-	res = utf8_strncasecmp_folded(um, name, &entry);
-	if (res < 0) {
-		/*
-		 * In strict mode, ignore invalid names.  In non-strict mode,
-		 * fall back to treating them as opaque byte sequences.
-		 */
-		if (sb_has_strict_encoding(sb) || name->len != entry.len)
-			return false;
-		return !memcmp(name->name, entry.name, name->len);
+	if (IS_ENCRYPTED(dir)) {
+		const struct fscrypt_str encrypted_name =
+			FSTR_INIT((u8 *)de_name, de_name_len);
+
+		if (WARN_ON_ONCE(!fscrypt_has_encryption_key(dir)))
+			return -EINVAL;
+
+		decrypted_name.name = kmalloc(de_name_len, GFP_KERNEL);
+		if (!decrypted_name.name)
+			return -ENOMEM;
+		res = fscrypt_fname_disk_to_usr(dir, 0, 0, &encrypted_name,
+						&decrypted_name);
+		if (res < 0)
+			goto out;
+		entry.name = decrypted_name.name;
+		entry.len = decrypted_name.len;
 	}
-	return res == 0;
+
+	res = utf8_strncasecmp_folded(um, name, &entry);
+	/*
+	 * In strict mode, ignore invalid names.  In non-strict mode,
+	 * fall back to treating them as opaque byte sequences.
+	 */
+	if (res < 0 && !sb_has_strict_encoding(sb)) {
+		res = name->len == entry.len &&
+				memcmp(name->name, entry.name, name->len) == 0;
+	} else {
+		/* utf8_strncasecmp_folded returns 0 on match */
+		res = (res == 0);
+	}
+out:
+	kfree(decrypted_name.name);
+	return res;
 }
 #endif /* CONFIG_UNICODE */
 
-static inline bool f2fs_match_name(const struct inode *dir,
+static inline int f2fs_match_name(const struct inode *dir,
 				   const struct f2fs_filename *fname,
 				   const u8 *de_name, u32 de_name_len)
 {
@@ -256,6 +288,7 @@
 	struct f2fs_dir_entry *de;
 	unsigned long bit_pos = 0;
 	int max_len = 0;
+	int res = 0;
 
 	if (max_slots)
 		*max_slots = 0;
@@ -273,10 +306,15 @@
 			continue;
 		}
 
-		if (de->hash_code == fname->hash &&
-		    f2fs_match_name(d->inode, fname, d->filename[bit_pos],
-				    le16_to_cpu(de->name_len)))
-			goto found;
+		if (de->hash_code == fname->hash) {
+			res = f2fs_match_name(d->inode, fname,
+					      d->filename[bit_pos],
+					      le16_to_cpu(de->name_len));
+			if (res < 0)
+				return ERR_PTR(res);
+			if (res)
+				goto found;
+		}
 
 		if (max_slots && max_len > *max_slots)
 			*max_slots = max_len;
@@ -326,7 +364,11 @@
 		}
 
 		de = find_in_block(dir, dentry_page, fname, &max_slots);
-		if (de) {
+		if (IS_ERR(de)) {
+			*res_page = ERR_CAST(de);
+			de = NULL;
+			break;
+		} else if (de) {
 			*res_page = dentry_page;
 			break;
 		}
@@ -437,6 +479,7 @@
 		struct page *page, struct inode *inode)
 {
 	enum page_type type = f2fs_has_inline_dentry(dir) ? NODE : DATA;
+
 	lock_page(page);
 	f2fs_wait_on_page_writeback(page, type, true, true);
 	de->ino = cpu_to_le32(inode->i_ino);
@@ -448,17 +491,39 @@
 	f2fs_put_page(page, 1);
 }
 
-static void init_dent_inode(const struct f2fs_filename *fname,
+static void init_dent_inode(struct inode *dir, struct inode *inode,
+			    const struct f2fs_filename *fname,
 			    struct page *ipage)
 {
 	struct f2fs_inode *ri;
 
+	if (!fname) /* tmpfile case? */
+		return;
+
 	f2fs_wait_on_page_writeback(ipage, NODE, true, true);
 
 	/* copy name info. to this inode page */
 	ri = F2FS_INODE(ipage);
 	ri->i_namelen = cpu_to_le32(fname->disk_name.len);
 	memcpy(ri->i_name, fname->disk_name.name, fname->disk_name.len);
+	if (IS_ENCRYPTED(dir)) {
+		file_set_enc_name(inode);
+		/*
+		 * Roll-forward recovery doesn't have encryption keys available,
+		 * so it can't compute the dirhash for encrypted+casefolded
+		 * filenames.  Append it to i_name if possible.  Else, disable
+		 * roll-forward recovery of the dentry (i.e., make fsync'ing the
+		 * file force a checkpoint) by setting LOST_PINO.
+		 */
+		if (IS_CASEFOLDED(dir)) {
+			if (fname->disk_name.len + sizeof(f2fs_hash_t) <=
+			    F2FS_NAME_LEN)
+				put_unaligned(fname->hash, (f2fs_hash_t *)
+					&ri->i_name[fname->disk_name.len]);
+			else
+				file_lost_pino(inode);
+		}
+	}
 	set_page_dirty(ipage);
 }
 
@@ -541,11 +606,7 @@
 			return page;
 	}
 
-	if (fname) {
-		init_dent_inode(fname, page);
-		if (IS_ENCRYPTED(dir))
-			file_set_enc_name(inode);
-	}
+	init_dent_inode(dir, inode, fname, page);
 
 	/*
 	 * This file should be checkpointed during fsync.
@@ -708,7 +769,7 @@
 	f2fs_wait_on_page_writeback(dentry_page, DATA, true, true);
 
 	if (inode) {
-		down_write(&F2FS_I(inode)->i_sem);
+		f2fs_down_write(&F2FS_I(inode)->i_sem);
 		page = f2fs_init_inode_metadata(inode, dir, fname, NULL);
 		if (IS_ERR(page)) {
 			err = PTR_ERR(page);
@@ -735,7 +796,7 @@
 	f2fs_update_parent_metadata(dir, inode, current_depth);
 fail:
 	if (inode)
-		up_write(&F2FS_I(inode)->i_sem);
+		f2fs_up_write(&F2FS_I(inode)->i_sem);
 
 	f2fs_put_page(dentry_page, 1);
 
@@ -747,8 +808,15 @@
 {
 	int err = -EAGAIN;
 
-	if (f2fs_has_inline_dentry(dir))
+	if (f2fs_has_inline_dentry(dir)) {
+		/*
+		 * Should get i_xattr_sem to keep the lock order:
+		 * i_xattr_sem -> inode_page lock used by f2fs_setxattr.
+		 */
+		f2fs_down_read(&F2FS_I(dir)->i_xattr_sem);
 		err = f2fs_add_inline_entry(dir, fname, inode, ino, mode);
+		f2fs_up_read(&F2FS_I(dir)->i_xattr_sem);
+	}
 	if (err == -EAGAIN)
 		err = f2fs_add_regular_entry(dir, fname, inode, ino, mode);
 
@@ -800,7 +868,7 @@
 	struct page *page;
 	int err = 0;
 
-	down_write(&F2FS_I(inode)->i_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_sem);
 	page = f2fs_init_inode_metadata(inode, dir, NULL, NULL);
 	if (IS_ERR(page)) {
 		err = PTR_ERR(page);
@@ -811,7 +879,7 @@
 	clear_inode_flag(inode, FI_NEW_INODE);
 	f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
 fail:
-	up_write(&F2FS_I(inode)->i_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_sem);
 	return err;
 }
 
@@ -819,7 +887,7 @@
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
 
-	down_write(&F2FS_I(inode)->i_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_sem);
 
 	if (S_ISDIR(inode->i_mode))
 		f2fs_i_links_write(dir, false);
@@ -830,7 +898,7 @@
 		f2fs_i_links_write(inode, false);
 		f2fs_i_size_write(inode, 0);
 	}
-	up_write(&F2FS_I(inode)->i_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_sem);
 
 	if (inode->i_nlink == 0)
 		f2fs_add_orphan_inode(inode);
@@ -876,11 +944,15 @@
 		!f2fs_truncate_hole(dir, page->index, page->index + 1)) {
 		f2fs_clear_page_cache_dirty_tag(page);
 		clear_page_dirty_for_io(page);
-		f2fs_clear_page_private(page);
 		ClearPageUptodate(page);
-		clear_cold_data(page);
+
+		clear_page_private_gcing(page);
+
 		inode_dec_dirty_pages(dir);
 		f2fs_remove_dirty_inode(dir);
+
+		detach_page_private(page);
+		set_page_private(page, 0);
 	}
 	f2fs_put_page(page, 1);
 
@@ -1026,7 +1098,7 @@
 	int err = 0;
 
 	if (IS_ENCRYPTED(inode)) {
-		err = fscrypt_get_encryption_info(inode);
+		err = fscrypt_prepare_readdir(inode);
 		if (err)
 			goto out;
 
@@ -1085,28 +1157,13 @@
 	return err < 0 ? err : 0;
 }
 
-static int f2fs_dir_open(struct inode *inode, struct file *filp)
-{
-	if (IS_ENCRYPTED(inode))
-		return fscrypt_get_encryption_info(inode) ? -EACCES : 0;
-	return 0;
-}
-
 const struct file_operations f2fs_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.iterate_shared	= f2fs_readdir,
 	.fsync		= f2fs_sync_file,
-	.open		= f2fs_dir_open,
 	.unlocked_ioctl	= f2fs_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl   = f2fs_compat_ioctl,
 #endif
 };
-
-#ifdef CONFIG_UNICODE
-const struct dentry_operations f2fs_dentry_ops = {
-	.d_hash = generic_ci_d_hash,
-	.d_compare = generic_ci_d_compare,
-};
-#endif
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index ad0b83a..6a9ab5c 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -239,7 +239,7 @@
 {
 	struct extent_node *en;
 
-	en = kmem_cache_alloc(extent_node_slab, GFP_ATOMIC);
+	en = f2fs_kmem_cache_alloc(extent_node_slab, GFP_ATOMIC, false, sbi);
 	if (!en)
 		return NULL;
 
@@ -292,7 +292,8 @@
 	mutex_lock(&sbi->extent_tree_lock);
 	et = radix_tree_lookup(&sbi->extent_tree_root, ino);
 	if (!et) {
-		et = f2fs_kmem_cache_alloc(extent_tree_slab, GFP_NOFS);
+		et = f2fs_kmem_cache_alloc(extent_tree_slab,
+					GFP_NOFS, true, NULL);
 		f2fs_radix_tree_insert(&sbi->extent_tree_root, ino, et);
 		memset(et, 0, sizeof(struct extent_tree));
 		et->ino = ino;
@@ -662,6 +663,47 @@
 		f2fs_mark_inode_dirty_sync(inode, true);
 }
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+void f2fs_update_extent_tree_range_compressed(struct inode *inode,
+				pgoff_t fofs, block_t blkaddr, unsigned int llen,
+				unsigned int c_len)
+{
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	struct extent_tree *et = F2FS_I(inode)->extent_tree;
+	struct extent_node *en = NULL;
+	struct extent_node *prev_en = NULL, *next_en = NULL;
+	struct extent_info ei;
+	struct rb_node **insert_p = NULL, *insert_parent = NULL;
+	bool leftmost = false;
+
+	trace_f2fs_update_extent_tree_range(inode, fofs, blkaddr, llen);
+
+	/* it is safe here to check FI_NO_EXTENT w/o et->lock in ro image */
+	if (is_inode_flag_set(inode, FI_NO_EXTENT))
+		return;
+
+	write_lock(&et->lock);
+
+	en = (struct extent_node *)f2fs_lookup_rb_tree_ret(&et->root,
+				(struct rb_entry *)et->cached_en, fofs,
+				(struct rb_entry **)&prev_en,
+				(struct rb_entry **)&next_en,
+				&insert_p, &insert_parent, false,
+				&leftmost);
+	if (en)
+		goto unlock_out;
+
+	set_extent_info(&ei, fofs, blkaddr, llen);
+	ei.c_len = c_len;
+
+	if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))
+		__insert_extent_tree(sbi, et, &ei,
+				insert_p, insert_parent, leftmost);
+unlock_out:
+	write_unlock(&et->lock);
+}
+#endif
+
 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink)
 {
 	struct extent_tree *et, *next;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 83ebc86..54978a4 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -33,10 +33,8 @@
 #else
 #define f2fs_bug_on(sbi, condition)					\
 	do {								\
-		if (unlikely(condition)) {				\
-			WARN_ON(1);					\
+		if (WARN_ON(condition))					\
 			set_sbi_flag(sbi, SBI_NEED_FSCK);		\
-		}							\
 	} while (0)
 #endif
 
@@ -45,7 +43,7 @@
 	FAULT_KVMALLOC,
 	FAULT_PAGE_ALLOC,
 	FAULT_PAGE_GET,
-	FAULT_ALLOC_BIO,
+	FAULT_ALLOC_BIO,	/* it's obsolete due to bio_alloc() will never fail */
 	FAULT_ALLOC_NID,
 	FAULT_ORPHAN,
 	FAULT_BLOCK,
@@ -56,6 +54,9 @@
 	FAULT_CHECKPOINT,
 	FAULT_DISCARD,
 	FAULT_WRITE_IO,
+	FAULT_SLAB_ALLOC,
+	FAULT_DQUOT_INIT,
+	FAULT_LOCK_OP,
 	FAULT_MAX,
 };
 
@@ -99,6 +100,9 @@
 #define F2FS_MOUNT_DISABLE_CHECKPOINT	0x02000000
 #define F2FS_MOUNT_NORECOVERY		0x04000000
 #define F2FS_MOUNT_ATGC			0x08000000
+#define F2FS_MOUNT_MERGE_CHECKPOINT	0x10000000
+#define	F2FS_MOUNT_GC_MERGE		0x20000000
+#define F2FS_MOUNT_COMPRESS_CACHE	0x40000000
 
 #define F2FS_OPTION(sbi)	((sbi)->mount_opt)
 #define clear_opt(sbi, option)	(F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
@@ -117,6 +121,20 @@
 
 #define COMPRESS_EXT_NUM		16
 
+/*
+ * An implementation of an rwsem that is explicitly unfair to readers. This
+ * prevents priority inversion when a low-priority reader acquires the read lock
+ * while sleeping on the write lock but the write lock is needed by
+ * higher-priority clients.
+ */
+
+struct f2fs_rwsem {
+        struct rw_semaphore internal_rwsem;
+#ifdef CONFIG_F2FS_UNFAIR_RWSEM
+        wait_queue_head_t read_waiters;
+#endif
+};
+
 struct f2fs_mount_info {
 	unsigned int opt;
 	int write_io_size_bits;		/* Write IO size bits */
@@ -139,6 +157,12 @@
 	int fsync_mode;			/* fsync policy */
 	int fs_mode;			/* fs mode: LFS or ADAPTIVE */
 	int bggc_mode;			/* bggc mode: off, on or sync */
+	int memory_mode;		/* memory mode */
+	int discard_unit;		/*
+					 * discard command's offset/size should
+					 * be aligned to this unit: block,
+					 * segment or section
+					 */
 	struct fscrypt_dummy_policy dummy_enc_policy; /* test dummy encryption */
 	block_t unusable_cap_perc;	/* percentage for cap */
 	block_t unusable_cap;		/* Amount of space allowed to be
@@ -147,9 +171,14 @@
 
 	/* For compression */
 	unsigned char compress_algorithm;	/* algorithm type */
-	unsigned compress_log_size;		/* cluster log size */
+	unsigned char compress_log_size;	/* cluster log size */
+	unsigned char compress_level;		/* compress level */
+	bool compress_chksum;			/* compressed data chksum */
 	unsigned char compress_ext_cnt;		/* extension count */
+	unsigned char nocompress_ext_cnt;		/* nocompress extension count */
+	int compress_mode;			/* compression mode */
 	unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN];	/* extensions */
+	unsigned char noextensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */
 };
 
 #define F2FS_FEATURE_ENCRYPT		0x0001
@@ -166,6 +195,7 @@
 #define F2FS_FEATURE_SB_CHKSUM		0x0800
 #define F2FS_FEATURE_CASEFOLD		0x1000
 #define F2FS_FEATURE_COMPRESSION	0x2000
+#define F2FS_FEATURE_RO			0x4000
 
 #define __F2FS_HAS_FEATURE(raw_super, mask)				\
 	((raw_super->feature & cpu_to_le32(mask)) != 0)
@@ -270,6 +300,26 @@
 	unsigned int seq_id;	/* sequence id */
 };
 
+struct ckpt_req {
+	struct completion wait;		/* completion for checkpoint done */
+	struct llist_node llnode;	/* llist_node to be linked in wait queue */
+	int ret;			/* return code of checkpoint */
+	ktime_t queue_time;		/* request queued time */
+};
+
+struct ckpt_req_control {
+	struct task_struct *f2fs_issue_ckpt;	/* checkpoint task */
+	int ckpt_thread_ioprio;			/* checkpoint merge thread ioprio */
+	wait_queue_head_t ckpt_wait_queue;	/* waiting queue for wake-up */
+	atomic_t issued_ckpt;		/* # of actually issued ckpts */
+	atomic_t total_ckpt;		/* # of total ckpts */
+	atomic_t queued_ckpt;		/* # of queued ckpts */
+	struct llist_head issue_list;	/* list for command issue */
+	spinlock_t stat_lock;		/* lock for below checkpoint time stats */
+	unsigned int cur_time;		/* cur wait time in msec for currently issued checkpoint */
+	unsigned int peak_time;		/* peak wait time in msec until now */
+};
+
 /* for the bitmap indicate blocks to be discarded */
 struct discard_entry {
 	struct list_head list;	/* list head */
@@ -353,6 +403,10 @@
 	struct mutex cmd_lock;
 	unsigned int nr_discards;		/* # of discards in the list */
 	unsigned int max_discards;		/* max. discards to be issued */
+	unsigned int max_discard_request;	/* max. discard request per round */
+	unsigned int min_discard_issue_time;	/* min. interval between discard issue */
+	unsigned int mid_discard_issue_time;	/* mid. interval between discard issue */
+	unsigned int max_discard_issue_time;	/* max. interval between discard issue */
 	unsigned int discard_granularity;	/* discard granularity */
 	unsigned int undiscard_blks;		/* # of undiscard blocks */
 	unsigned int next_pos;			/* next discard position */
@@ -458,9 +512,11 @@
 #ifdef CONFIG_UNICODE
 	/*
 	 * For casefolded directories: the casefolded name, but it's left NULL
-	 * if the original name is not valid Unicode or if the filesystem is
-	 * doing an internal operation where usr_fname is also NULL.  In these
-	 * cases we fall back to treating the name as an opaque byte sequence.
+	 * if the original name is not valid Unicode, if the original name is
+	 * "." or "..", if the directory is both casefolded and encrypted and
+	 * its encryption key is unavailable, or if the filesystem is doing an
+	 * internal operation where usr_fname is also NULL.  In all these cases
+	 * we fall back to treating the name as an opaque byte sequence.
 	 */
 	struct fscrypt_str cf_name;
 #endif
@@ -518,7 +574,7 @@
 					 */
 };
 
-#define DEFAULT_RETRY_IO_COUNT	8	/* maximum retry read IO count */
+#define DEFAULT_RETRY_IO_COUNT	8	/* maximum retry read IO or flush count */
 
 /* congestion wait timeout value, default: 20ms */
 #define	DEFAULT_IO_TIMEOUT	(msecs_to_jiffies(20))
@@ -526,16 +582,25 @@
 /* maximum retry quota flush count */
 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT		8
 
+/* maximum retry of EIO'ed page */
+#define MAX_RETRY_PAGE_EIO			100
+
 #define F2FS_LINK_MAX	0xffffffff	/* maximum link count per file */
 
 #define MAX_DIR_RA_PAGES	4	/* maximum ra pages of dir */
 
+/* dirty segments threshold for triggering CP */
+#define DEFAULT_DIRTY_THRESHOLD		4
+
 /* for in-memory extent cache entry */
 #define F2FS_MIN_EXTENT_LEN	64	/* minimum extent length */
 
 /* number of extent info in extent cache we try to shrink */
 #define EXTENT_CACHE_SHRINK_NUMBER	128
 
+#define RECOVERY_MAX_RA_BLOCKS		BIO_MAX_PAGES
+#define RECOVERY_MIN_RA_BLOCKS		1
+
 struct rb_entry {
 	struct rb_node rb_node;		/* rb node located in rb-tree */
 	union {
@@ -551,6 +616,9 @@
 	unsigned int fofs;		/* start offset in a file */
 	unsigned int len;		/* length of the extent */
 	u32 blk;			/* start block address of the extent */
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	unsigned int c_len;		/* physical extent length of compressed blocks */
+#endif
 };
 
 struct extent_node {
@@ -583,6 +651,7 @@
 				F2FS_MAP_UNWRITTEN)
 
 struct f2fs_map_blocks {
+	struct block_device *m_bdev;	/* for multi-device dio */
 	block_t m_pblk;
 	block_t m_lblk;
 	unsigned int m_len;
@@ -591,6 +660,7 @@
 	pgoff_t *m_next_extent;		/* point to next possible extent */
 	int m_seg_type;
 	bool m_may_create;		/* indicate it is from write path */
+	bool m_multidev_dio;		/* indicate it allows multi-device dio */
 };
 
 /* for flag in get_data_block */
@@ -614,28 +684,38 @@
 #define FADVISE_KEEP_SIZE_BIT	0x10
 #define FADVISE_HOT_BIT		0x20
 #define FADVISE_VERITY_BIT	0x40
+#define FADVISE_TRUNC_BIT	0x80
 
 #define FADVISE_MODIFIABLE_BITS	(FADVISE_COLD_BIT | FADVISE_HOT_BIT)
 
 #define file_is_cold(inode)	is_file(inode, FADVISE_COLD_BIT)
-#define file_wrong_pino(inode)	is_file(inode, FADVISE_LOST_PINO_BIT)
 #define file_set_cold(inode)	set_file(inode, FADVISE_COLD_BIT)
-#define file_lost_pino(inode)	set_file(inode, FADVISE_LOST_PINO_BIT)
 #define file_clear_cold(inode)	clear_file(inode, FADVISE_COLD_BIT)
+
+#define file_wrong_pino(inode)	is_file(inode, FADVISE_LOST_PINO_BIT)
+#define file_lost_pino(inode)	set_file(inode, FADVISE_LOST_PINO_BIT)
 #define file_got_pino(inode)	clear_file(inode, FADVISE_LOST_PINO_BIT)
+
 #define file_is_encrypt(inode)	is_file(inode, FADVISE_ENCRYPT_BIT)
 #define file_set_encrypt(inode)	set_file(inode, FADVISE_ENCRYPT_BIT)
-#define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
+
 #define file_enc_name(inode)	is_file(inode, FADVISE_ENC_NAME_BIT)
 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
+
 #define file_keep_isize(inode)	is_file(inode, FADVISE_KEEP_SIZE_BIT)
 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
+
 #define file_is_hot(inode)	is_file(inode, FADVISE_HOT_BIT)
 #define file_set_hot(inode)	set_file(inode, FADVISE_HOT_BIT)
 #define file_clear_hot(inode)	clear_file(inode, FADVISE_HOT_BIT)
+
 #define file_is_verity(inode)	is_file(inode, FADVISE_VERITY_BIT)
 #define file_set_verity(inode)	set_file(inode, FADVISE_VERITY_BIT)
 
+#define file_should_truncate(inode)	is_file(inode, FADVISE_TRUNC_BIT)
+#define file_need_truncate(inode)	set_file(inode, FADVISE_TRUNC_BIT)
+#define file_dont_truncate(inode)	clear_file(inode, FADVISE_TRUNC_BIT)
+
 #define DEF_DIR_LEVEL		0
 
 enum {
@@ -668,9 +748,10 @@
 	FI_DROP_CACHE,		/* drop dirty page cache */
 	FI_DATA_EXIST,		/* indicate data exists */
 	FI_INLINE_DOTS,		/* indicate inline dot dentries */
-	FI_DO_DEFRAG,		/* indicate defragment is running */
+	FI_SKIP_WRITES,		/* should skip data page writeback */
+	FI_OPU_WRITE,		/* used for opu per file */
 	FI_DIRTY_FILE,		/* indicate regular/symlink has dirty pages */
-	FI_NO_PREALLOC,		/* indicate skipped preallocated blocks */
+	FI_PREALLOCATED_ALL,	/* all blocks for write were preallocated */
 	FI_HOT_DATA,		/* indicate file is hot */
 	FI_EXTRA_ATTR,		/* indicate file has extra attribute */
 	FI_PROJ_INHERIT,	/* indicate file inherits projectid */
@@ -678,7 +759,11 @@
 	FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */
 	FI_VERITY_IN_PROGRESS,	/* building fs-verity Merkle tree */
 	FI_COMPRESSED_FILE,	/* indicate file's data can be compressed */
+	FI_COMPRESS_CORRUPT,	/* indicate compressed cluster is corrupted */
 	FI_MMAP_FILE,		/* indicate file was mmapped */
+	FI_ENABLE_COMPRESS,	/* enable compression in "user" compression mode */
+	FI_COMPRESS_RELEASED,	/* compressed blocks were released */
+	FI_ALIGNED_WRITE,	/* enable aligned write */
 	FI_MAX,			/* max flag, never be used */
 };
 
@@ -695,7 +780,7 @@
 
 	/* Use below internally in f2fs*/
 	unsigned long flags[BITS_TO_LONGS(FI_MAX)];	/* use to pass per-file flags */
-	struct rw_semaphore i_sem;	/* protect fi info */
+	struct f2fs_rwsem i_sem;	/* protect fi info */
 	atomic_t dirty_pages;		/* # of dirty pages */
 	f2fs_hash_t chash;		/* hash value of given file name */
 	unsigned int clevel;		/* maximum level of given file name */
@@ -718,13 +803,12 @@
 	struct list_head inmem_pages;	/* inmemory pages managed by f2fs */
 	struct task_struct *inmem_task;	/* store inmemory task */
 	struct mutex inmem_lock;	/* lock for inmemory pages */
-	pgoff_t ra_offset;		/* ongoing readahead offset */
 	struct extent_tree *extent_tree;	/* cached extent_tree entry */
 
 	/* avoid racing between foreground op and gc */
-	struct rw_semaphore i_gc_rwsem[2];
-	struct rw_semaphore i_mmap_sem;
-	struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */
+	struct f2fs_rwsem i_gc_rwsem[2];
+	struct f2fs_rwsem i_mmap_sem;
+	struct f2fs_rwsem i_xattr_sem; /* avoid racing between reading and changing EAs */
 
 	int i_extra_isize;		/* size of extra space located in i_addr */
 	kprojid_t i_projid;		/* id for project quota */
@@ -736,6 +820,8 @@
 	atomic_t i_compr_blocks;		/* # of compressed blocks */
 	unsigned char i_compress_algorithm;	/* algorithm type */
 	unsigned char i_log_cluster_size;	/* log of cluster size */
+	unsigned char i_compress_level;		/* compress level (lz4hc,zstd) */
+	unsigned short i_compress_flag;		/* compress flag */
 	unsigned int i_cluster_size;		/* cluster size */
 };
 
@@ -761,6 +847,9 @@
 	ei->fofs = fofs;
 	ei->blk = blk;
 	ei->len = len;
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	ei->c_len = 0;
+#endif
 }
 
 static inline bool __is_discard_mergeable(struct discard_info *back,
@@ -785,6 +874,12 @@
 static inline bool __is_extent_mergeable(struct extent_info *back,
 						struct extent_info *front)
 {
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (back->c_len && back->len != back->c_len)
+		return false;
+	if (front->c_len && front->len != front->c_len)
+		return false;
+#endif
 	return (back->fofs + back->len == front->fofs &&
 			back->blk + back->len == front->blk);
 }
@@ -832,6 +927,7 @@
 	nid_t max_nid;			/* maximum possible node ids */
 	nid_t available_nids;		/* # of available node ids */
 	nid_t next_scan_nid;		/* the next nid to be scanned */
+	nid_t max_rf_node_blocks;	/* max # of nodes for recovery */
 	unsigned int ram_thresh;	/* control the memory footprint */
 	unsigned int ra_nid_pages;	/* # of nid pages to be readaheaded */
 	unsigned int dirty_nats_ratio;	/* control dirty nats ratio threshold */
@@ -839,7 +935,7 @@
 	/* NAT cache management */
 	struct radix_tree_root nat_root;/* root of the nat entry cache */
 	struct radix_tree_root nat_set_root;/* root of the nat set cache */
-	struct rw_semaphore nat_tree_lock;	/* protect nat_tree_lock */
+	struct f2fs_rwsem nat_tree_lock;	/* protect nat entry tree */
 	struct list_head nat_entries;	/* cached nat entry list (clean) */
 	spinlock_t nat_list_lock;	/* protect clean nat entry list */
 	unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */
@@ -912,6 +1008,7 @@
 #define	NR_CURSEG_DATA_TYPE	(3)
 #define NR_CURSEG_NODE_TYPE	(3)
 #define NR_CURSEG_INMEM_TYPE	(2)
+#define NR_CURSEG_RO_TYPE	(2)
 #define NR_CURSEG_PERSIST_TYPE	(NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
 #define NR_CURSEG_TYPE		(NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
 
@@ -951,7 +1048,7 @@
 	struct dirty_seglist_info *dirty_info;	/* dirty segment information */
 	struct curseg_info *curseg_array;	/* active segment information */
 
-	struct rw_semaphore curseg_lock;	/* for preventing curseg change */
+	struct f2fs_rwsem curseg_lock;	/* for preventing curseg change */
 
 	block_t seg0_blkaddr;		/* block address of 0'th segment */
 	block_t main_blkaddr;		/* start block address of main area */
@@ -1135,11 +1232,11 @@
 	struct bio *bio;		/* bios to merge */
 	sector_t last_block_in_bio;	/* last block number */
 	struct f2fs_io_info fio;	/* store buffered io info. */
-	struct rw_semaphore io_rwsem;	/* blocking op for bio */
+	struct f2fs_rwsem io_rwsem;	/* blocking op for bio */
 	spinlock_t io_lock;		/* serialize DATA/NODE IOs */
 	struct list_head io_list;	/* track fios */
 	struct list_head bio_list;	/* bio entry list head */
-	struct rw_semaphore bio_list_lock;	/* lock to protect bio entry list */
+	struct f2fs_rwsem bio_list_lock;	/* lock to protect bio entry list */
 };
 
 #define FDEV(i)				(sbi->devs[i])
@@ -1200,6 +1297,7 @@
 	SBI_QUOTA_SKIP_FLUSH,			/* skip flushing quota in current CP */
 	SBI_QUOTA_NEED_REPAIR,			/* quota file may be corrupted */
 	SBI_IS_RESIZEFS,			/* resizefs is in process */
+	SBI_IS_FREEZING,			/* freezefs is in process */
 };
 
 enum {
@@ -1219,6 +1317,8 @@
 	GC_IDLE_AT,
 	GC_URGENT_HIGH,
 	GC_URGENT_LOW,
+	GC_URGENT_MID,
+	MAX_GC_MODE,
 };
 
 enum {
@@ -1231,8 +1331,10 @@
 };
 
 enum {
-	FS_MODE_ADAPTIVE,	/* use both lfs/ssr allocation */
-	FS_MODE_LFS,		/* use lfs allocation only */
+	FS_MODE_ADAPTIVE,		/* use both lfs/ssr allocation */
+	FS_MODE_LFS,			/* use lfs allocation only */
+	FS_MODE_FRAGMENT_SEG,		/* segment fragmentation mode */
+	FS_MODE_FRAGMENT_BLK,		/* block fragmentation mode */
 };
 
 enum {
@@ -1252,25 +1354,144 @@
 	FSYNC_MODE_NOBARRIER,	/* fsync behaves nobarrier based on posix */
 };
 
+enum {
+	COMPR_MODE_FS,		/*
+				 * automatically compress compression
+				 * enabled files
+				 */
+	COMPR_MODE_USER,	/*
+				 * automatical compression is disabled.
+				 * user can control the file compression
+				 * using ioctls
+				 */
+};
+
+enum {
+	DISCARD_UNIT_BLOCK,	/* basic discard unit is block */
+	DISCARD_UNIT_SEGMENT,	/* basic discard unit is segment */
+	DISCARD_UNIT_SECTION,	/* basic discard unit is section */
+};
+
+enum {
+	MEMORY_MODE_NORMAL,	/* memory mode for normal devices */
+	MEMORY_MODE_LOW,	/* memory mode for low memry devices */
+};
+
+
+
+static inline int f2fs_test_bit(unsigned int nr, char *addr);
+static inline void f2fs_set_bit(unsigned int nr, char *addr);
+static inline void f2fs_clear_bit(unsigned int nr, char *addr);
+
 /*
- * this value is set in page as a private data which indicate that
- * the page is atomically written, and it is in inmem_pages list.
+ * Layout of f2fs page.private:
+ *
+ * Layout A: lowest bit should be 1
+ * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... |
+ * bit 0	PAGE_PRIVATE_NOT_POINTER
+ * bit 1	PAGE_PRIVATE_ATOMIC_WRITE
+ * bit 2	PAGE_PRIVATE_DUMMY_WRITE
+ * bit 3	PAGE_PRIVATE_ONGOING_MIGRATION
+ * bit 4	PAGE_PRIVATE_INLINE_INODE
+ * bit 5	PAGE_PRIVATE_REF_RESOURCE
+ * bit 6-	f2fs private data
+ *
+ * Layout B: lowest bit should be 0
+ * page.private is a wrapped pointer.
  */
-#define ATOMIC_WRITTEN_PAGE		((unsigned long)-1)
-#define DUMMY_WRITTEN_PAGE		((unsigned long)-2)
+enum {
+	PAGE_PRIVATE_NOT_POINTER,		/* private contains non-pointer data */
+	PAGE_PRIVATE_ATOMIC_WRITE,		/* data page from atomic write path */
+	PAGE_PRIVATE_DUMMY_WRITE,		/* data page for padding aligned IO */
+	PAGE_PRIVATE_ONGOING_MIGRATION,		/* data page which is on-going migrating */
+	PAGE_PRIVATE_INLINE_INODE,		/* inode page contains inline data */
+	PAGE_PRIVATE_REF_RESOURCE,		/* dirty page has referenced resources */
+	PAGE_PRIVATE_MAX
+};
 
-#define IS_ATOMIC_WRITTEN_PAGE(page)			\
-		(page_private(page) == ATOMIC_WRITTEN_PAGE)
-#define IS_DUMMY_WRITTEN_PAGE(page)			\
-		(page_private(page) == DUMMY_WRITTEN_PAGE)
+#define PAGE_PRIVATE_GET_FUNC(name, flagname) \
+static inline bool page_private_##name(struct page *page) \
+{ \
+	return PagePrivate(page) && \
+		test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \
+		test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
+}
 
-#ifdef CONFIG_F2FS_IO_TRACE
-#define IS_IO_TRACED_PAGE(page)			\
-		(page_private(page) > 0 &&		\
-		 page_private(page) < (unsigned long)PID_MAX_LIMIT)
-#else
-#define IS_IO_TRACED_PAGE(page) (0)
-#endif
+#define PAGE_PRIVATE_SET_FUNC(name, flagname) \
+static inline void set_page_private_##name(struct page *page) \
+{ \
+	if (!PagePrivate(page)) { \
+		get_page(page); \
+		SetPagePrivate(page); \
+		set_page_private(page, 0); \
+	} \
+	set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \
+	set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
+}
+
+#define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \
+static inline void clear_page_private_##name(struct page *page) \
+{ \
+	clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
+	if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \
+		set_page_private(page, 0); \
+		if (PagePrivate(page)) { \
+			ClearPagePrivate(page); \
+			put_page(page); \
+		}\
+	} \
+}
+
+PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
+PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE);
+PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
+PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
+PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE);
+PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE);
+
+PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
+PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
+PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
+PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE);
+PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE);
+
+PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
+PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
+PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
+PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE);
+PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE);
+
+static inline unsigned long get_page_private_data(struct page *page)
+{
+	unsigned long data = page_private(page);
+
+	if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data))
+		return 0;
+	return data >> PAGE_PRIVATE_MAX;
+}
+
+static inline void set_page_private_data(struct page *page, unsigned long data)
+{
+	if (!PagePrivate(page)) {
+		get_page(page);
+		SetPagePrivate(page);
+		set_page_private(page, 0);
+	}
+	set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page));
+	page_private(page) |= data << PAGE_PRIVATE_MAX;
+}
+
+static inline void clear_page_private_data(struct page *page)
+{
+	page_private(page) &= (1 << PAGE_PRIVATE_MAX) - 1;
+	if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) {
+		set_page_private(page, 0);
+		if (PagePrivate(page)) {
+			ClearPagePrivate(page);
+			put_page(page);
+		}
+	}
+}
 
 /* For compression */
 enum compress_algorithm_type {
@@ -1281,9 +1502,18 @@
 	COMPRESS_MAX,
 };
 
-#define COMPRESS_DATA_RESERVED_SIZE		5
+enum compress_flag {
+	COMPRESS_CHKSUM,
+	COMPRESS_MAX_FLAG,
+};
+
+#define	COMPRESS_WATERMARK			20
+#define	COMPRESS_PERCENT			20
+
+#define COMPRESS_DATA_RESERVED_SIZE		4
 struct compress_data {
 	__le32 clen;			/* compressed data size */
+	__le32 chksum;			/* compressed data chksum */
 	__le32 reserved[COMPRESS_DATA_RESERVED_SIZE];	/* reserved */
 	u8 cdata[];			/* compressed data */
 };
@@ -1292,6 +1522,8 @@
 
 #define F2FS_COMPRESSED_PAGE_MAGIC	0xF5F2C000
 
+#define	COMPRESS_LEVEL_OFFSET	8
+
 /* compress context */
 struct compress_ctx {
 	struct inode *inode;		/* inode the context belong to */
@@ -1302,6 +1534,7 @@
 	unsigned int nr_rpages;		/* total page number in rpages */
 	struct page **cpages;		/* pages store compressed data in cluster */
 	unsigned int nr_cpages;		/* total page number in cpages */
+	unsigned int valid_nr_cpages;	/* valid page number in cpages */
 	void *rbuf;			/* virtual mapped address on rpages */
 	struct compress_data *cbuf;	/* virtual mapped address on cpages */
 	size_t rlen;			/* valid data length in rbuf */
@@ -1319,7 +1552,7 @@
 	atomic_t pending_pages;		/* in-flight compressed page count */
 };
 
-/* decompress io context for read IO path */
+/* Context for decompressing one cluster on the read IO path */
 struct decompress_io_ctx {
 	u32 magic;			/* magic number to indicate page is compressed */
 	struct inode *inode;		/* inode the context belong to */
@@ -1335,11 +1568,38 @@
 	struct compress_data *cbuf;	/* virtual mapped address on cpages */
 	size_t rlen;			/* valid data length in rbuf */
 	size_t clen;			/* valid data length in cbuf */
-	atomic_t pending_pages;		/* in-flight compressed page count */
-	atomic_t verity_pages;		/* in-flight page count for verity */
-	bool failed;			/* indicate IO error during decompression */
+
+	/*
+	 * The number of compressed pages remaining to be read in this cluster.
+	 * This is initially nr_cpages.  It is decremented by 1 each time a page
+	 * has been read (or failed to be read).  When it reaches 0, the cluster
+	 * is decompressed (or an error is reported).
+	 *
+	 * If an error occurs before all the pages have been submitted for I/O,
+	 * then this will never reach 0.  In this case the I/O submitter is
+	 * responsible for calling f2fs_decompress_end_io() instead.
+	 */
+	atomic_t remaining_pages;
+
+	/*
+	 * Number of references to this decompress_io_ctx.
+	 *
+	 * One reference is held for I/O completion.  This reference is dropped
+	 * after the pagecache pages are updated and unlocked -- either after
+	 * decompression (and verity if enabled), or after an error.
+	 *
+	 * In addition, each compressed page holds a reference while it is in a
+	 * bio.  These references are necessary prevent compressed pages from
+	 * being freed while they are still in a bio.
+	 */
+	refcount_t refcnt;
+
+	bool failed;			/* IO error occurred before decompression? */
+	bool need_verity;		/* need fs-verity verification after decompression? */
 	void *private;			/* payload buffer for specified decompression algorithm */
 	void *private2;			/* extra payload buffer */
+	struct work_struct verity_work;	/* work to verify the decompressed pages */
+	struct work_struct free_work;	/* work for late free this structure itself */
 };
 
 #define NULL_CLUSTER			((unsigned int)(~0))
@@ -1351,7 +1611,7 @@
 	struct super_block *sb;			/* pointer to VFS super block */
 	struct proc_dir_entry *s_proc;		/* proc entry */
 	struct f2fs_super_block *raw_super;	/* raw super block pointer */
-	struct rw_semaphore sb_lock;		/* lock for raw super block */
+	struct f2fs_rwsem sb_lock;		/* lock for raw super block */
 	int valid_super_block;			/* valid super block no */
 	unsigned long s_flag;				/* flags for sbi */
 	struct mutex writepages;		/* mutex for writepages() */
@@ -1371,21 +1631,24 @@
 	/* for bio operations */
 	struct f2fs_bio_info *write_io[NR_PAGE_TYPE];	/* for write bios */
 	/* keep migration IO order for LFS mode */
-	struct rw_semaphore io_order_lock;
+	struct f2fs_rwsem io_order_lock;
 	mempool_t *write_io_dummy;		/* Dummy pages */
+	pgoff_t page_eio_ofs[NR_PAGE_TYPE];	/* EIO page offset */
+	int page_eio_cnt[NR_PAGE_TYPE];		/* EIO count */
 
 	/* for checkpoint */
 	struct f2fs_checkpoint *ckpt;		/* raw checkpoint pointer */
 	int cur_cp_pack;			/* remain current cp pack */
 	spinlock_t cp_lock;			/* for flag in ckpt */
 	struct inode *meta_inode;		/* cache meta blocks */
-	struct mutex cp_mutex;			/* checkpoint procedure lock */
-	struct rw_semaphore cp_rwsem;		/* blocking FS operations */
-	struct rw_semaphore node_write;		/* locking node writes */
-	struct rw_semaphore node_change;	/* locking node change */
+	struct f2fs_rwsem cp_global_sem;	/* checkpoint procedure lock */
+	struct f2fs_rwsem cp_rwsem;		/* blocking FS operations */
+	struct f2fs_rwsem node_write;		/* locking node writes */
+	struct f2fs_rwsem node_change;	/* locking node change */
 	wait_queue_head_t cp_wait;
 	unsigned long last_time[MAX_TIME];	/* to store time in jiffies */
 	long interval_time[MAX_TIME];		/* to store thresholds */
+	struct ckpt_req_control cprc_info;	/* for checkpoint request control */
 
 	struct inode_management im[MAX_INO_ENTRY];	/* manage inode cache */
 
@@ -1427,9 +1690,9 @@
 	unsigned int total_sections;		/* total section count */
 	unsigned int total_node_count;		/* total node block count */
 	unsigned int total_valid_node_count;	/* valid node block count */
-	loff_t max_file_blocks;			/* max block index of file */
 	int dir_level;				/* directory level */
 	int readdir_ra;				/* readahead inode in readdir */
+	u64 max_io_bytes;			/* max io bytes to merge IOs */
 
 	block_t user_block_count;		/* # of user blocks */
 	block_t total_valid_block_count;	/* # of valid blocks */
@@ -1442,12 +1705,14 @@
 	block_t unusable_block_count;		/* # of blocks saved by last cp */
 
 	unsigned int nquota_files;		/* # of quota sysfile */
-	struct rw_semaphore quota_sem;		/* blocking cp for flags */
+	struct f2fs_rwsem quota_sem;		/* blocking cp for flags */
 
 	/* # of pages, see count_type */
 	atomic_t nr_pages[NR_COUNT_TYPE];
 	/* # of allocated blocks */
 	struct percpu_counter alloc_valid_block_count;
+	/* # of node block writes as roll forward recovery */
+	struct percpu_counter rf_node_block_count;
 
 	/* writeback control */
 	atomic_t wb_sync_req[META];	/* count # of WB_SYNC threads */
@@ -1458,7 +1723,7 @@
 	struct f2fs_mount_info mount_opt;	/* mount options */
 
 	/* for cleaning operations */
-	struct rw_semaphore gc_lock;		/*
+	struct f2fs_rwsem gc_lock;		/*
 						 * semaphore for GC, avoid
 						 * race between GC and GC or CP
 						 */
@@ -1467,6 +1732,8 @@
 	unsigned int cur_victim_sec;		/* current victim section num */
 	unsigned int gc_mode;			/* current GC state */
 	unsigned int next_victim_seg[2];	/* next segment in victim section */
+	spinlock_t gc_urgent_high_lock;
+	unsigned int gc_urgent_high_remaining;	/* remaining trial count for GC_URGENT_HIGH */
 
 	/* for skip statistic */
 	unsigned int atomic_files;		/* # of opened atomic file */
@@ -1475,7 +1742,7 @@
 
 	/* threshold for gc trials on pinned files */
 	u64 gc_pin_file_threshold;
-	struct rw_semaphore pin_sem;
+	struct f2fs_rwsem pin_sem;
 
 	/* maximum # of trials to find a victim segment for SSR and GC */
 	unsigned int max_victim_search;
@@ -1510,30 +1777,31 @@
 #endif
 	spinlock_t stat_lock;			/* lock for stat operations */
 
-	/* For app/fs IO statistics */
-	spinlock_t iostat_lock;
-	unsigned long long rw_iostat[NR_IO_TYPE];
-	unsigned long long prev_rw_iostat[NR_IO_TYPE];
-	bool iostat_enable;
-	unsigned long iostat_next_period;
-	unsigned int iostat_period_ms;
-
 	/* to attach REQ_META|REQ_FUA flags */
 	unsigned int data_io_flag;
 	unsigned int node_io_flag;
 
 	/* For sysfs suppport */
-	struct kobject s_kobj;
+	struct kobject s_kobj;			/* /sys/fs/f2fs/<devname> */
 	struct completion s_kobj_unregister;
 
+	struct kobject s_stat_kobj;		/* /sys/fs/f2fs/<devname>/stat */
+	struct completion s_stat_kobj_unregister;
+
+	struct kobject s_feature_list_kobj;		/* /sys/fs/f2fs/<devname>/feature_list */
+	struct completion s_feature_list_kobj_unregister;
+
 	/* For shrinker support */
 	struct list_head s_list;
+	struct mutex umount_mutex;
+	unsigned int shrinker_run_no;
+
+	/* For multi devices */
 	int s_ndevs;				/* number of devices */
 	struct f2fs_dev_info *devs;		/* for device list */
 	unsigned int dirty_device;		/* for checkpoint data flush */
 	spinlock_t dev_lock;			/* protect dirty_device */
-	struct mutex umount_mutex;
-	unsigned int shrinker_run_no;
+	bool aligned_blksize;			/* all devices has the same logical blksize */
 
 	/* For write statistics */
 	u64 sectors_written_start;
@@ -1550,17 +1818,44 @@
 	struct kmem_cache *inline_xattr_slab;	/* inline xattr entry */
 	unsigned int inline_xattr_slab_size;	/* default inline xattr slab size */
 
+	/* For reclaimed segs statistics per each GC mode */
+	unsigned int gc_segment_mode;		/* GC state for reclaimed segments */
+	unsigned int gc_reclaimed_segs[MAX_GC_MODE];	/* Reclaimed segs for each mode */
+
+	unsigned long seq_file_ra_mul;		/* multiplier for ra_pages of seq. files in fadvise */
+
+	int max_fragment_chunk;			/* max chunk size for block fragmentation mode */
+	int max_fragment_hole;			/* max hole size for block fragmentation mode */
+
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	struct kmem_cache *page_array_slab;	/* page array entry */
 	unsigned int page_array_slab_size;	/* default page array slab size */
-#endif
-};
 
-struct f2fs_private_dio {
-	struct inode *inode;
-	void *orig_private;
-	bio_end_io_t *orig_end_io;
-	bool write;
+	/* For runtime compression statistics */
+	u64 compr_written_block;
+	u64 compr_saved_block;
+	u32 compr_new_inode;
+
+	/* For compressed block cache */
+	struct inode *compress_inode;		/* cache compressed blocks */
+	unsigned int compress_percent;		/* cache page percentage */
+	unsigned int compress_watermark;	/* cache page watermark */
+	atomic_t compress_page_hit;		/* cache hit count */
+#endif
+
+#ifdef CONFIG_F2FS_IOSTAT
+	/* For app/fs IO statistics */
+	spinlock_t iostat_lock;
+	unsigned long long rw_iostat[NR_IO_TYPE];
+	unsigned long long prev_rw_iostat[NR_IO_TYPE];
+	bool iostat_enable;
+	unsigned long iostat_next_period;
+	unsigned int iostat_period_ms;
+
+	/* For io latency related statistics info in one iostat period */
+	spinlock_t iostat_lat_lock;
+	struct iostat_lat_info *iostat_io_lat;
+#endif
 };
 
 #ifdef CONFIG_F2FS_FAULT_INJECTION
@@ -1605,13 +1900,6 @@
 	return sbi->s_ndevs > 1;
 }
 
-/* For write statistics. Suppose sector size is 512 bytes,
- * and the return value is in kbytes. s is of struct f2fs_sb_info.
- */
-#define BD_PART_WRITTEN(s)						 \
-(((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) -   \
-		(s)->sectors_written_start) >> 1)
-
 static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
 {
 	unsigned long now = jiffies;
@@ -1848,59 +2136,105 @@
 	spin_unlock_irqrestore(&sbi->cp_lock, flags);
 }
 
-static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
+#define init_f2fs_rwsem(sem)					\
+do {								\
+	static struct lock_class_key __key;			\
+								\
+	__init_f2fs_rwsem((sem), #sem, &__key);			\
+} while (0)
+
+static inline void __init_f2fs_rwsem(struct f2fs_rwsem *sem,
+		const char *sem_name, struct lock_class_key *key)
 {
-	unsigned long flags;
-	unsigned char *nat_bits;
-
-	/*
-	 * In order to re-enable nat_bits we need to call fsck.f2fs by
-	 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
-	 * so let's rely on regular fsck or unclean shutdown.
-	 */
-
-	if (lock)
-		spin_lock_irqsave(&sbi->cp_lock, flags);
-	__clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
-	nat_bits = NM_I(sbi)->nat_bits;
-	NM_I(sbi)->nat_bits = NULL;
-	if (lock)
-		spin_unlock_irqrestore(&sbi->cp_lock, flags);
-
-	kvfree(nat_bits);
+	__init_rwsem(&sem->internal_rwsem, sem_name, key);
+#ifdef CONFIG_F2FS_UNFAIR_RWSEM
+	init_waitqueue_head(&sem->read_waiters);
+#endif
 }
 
-static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,
-					struct cp_control *cpc)
+static inline int f2fs_rwsem_is_locked(struct f2fs_rwsem *sem)
 {
-	bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
+	return rwsem_is_locked(&sem->internal_rwsem);
+}
 
-	return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set;
+static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem *sem)
+{
+	return rwsem_is_contended(&sem->internal_rwsem);
+}
+
+static inline void f2fs_down_read(struct f2fs_rwsem *sem)
+{
+#ifdef CONFIG_F2FS_UNFAIR_RWSEM
+	wait_event(sem->read_waiters, down_read_trylock(&sem->internal_rwsem));
+#else
+	down_read(&sem->internal_rwsem);
+#endif
+}
+
+static inline int f2fs_down_read_trylock(struct f2fs_rwsem *sem)
+{
+	return down_read_trylock(&sem->internal_rwsem);
+}
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static inline void f2fs_down_read_nested(struct f2fs_rwsem *sem, int subclass)
+{
+	down_read_nested(&sem->internal_rwsem, subclass);
+}
+#else
+#define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem)
+#endif
+
+static inline void f2fs_up_read(struct f2fs_rwsem *sem)
+{
+	up_read(&sem->internal_rwsem);
+}
+
+static inline void f2fs_down_write(struct f2fs_rwsem *sem)
+{
+	down_write(&sem->internal_rwsem);
+}
+
+static inline int f2fs_down_write_trylock(struct f2fs_rwsem *sem)
+{
+	return down_write_trylock(&sem->internal_rwsem);
+}
+
+static inline void f2fs_up_write(struct f2fs_rwsem *sem)
+{
+	up_write(&sem->internal_rwsem);
+#ifdef CONFIG_F2FS_UNFAIR_RWSEM
+	wake_up_all(&sem->read_waiters);
+#endif
 }
 
 static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
 {
-	down_read(&sbi->cp_rwsem);
+	f2fs_down_read(&sbi->cp_rwsem);
 }
 
 static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi)
 {
-	return down_read_trylock(&sbi->cp_rwsem);
+	if (time_to_inject(sbi, FAULT_LOCK_OP)) {
+		f2fs_show_injection_info(sbi, FAULT_LOCK_OP);
+		return 0;
+	}
+	return f2fs_down_read_trylock(&sbi->cp_rwsem);
 }
 
 static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
 {
-	up_read(&sbi->cp_rwsem);
+	f2fs_up_read(&sbi->cp_rwsem);
 }
 
 static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
 {
-	down_write(&sbi->cp_rwsem);
+	f2fs_down_write(&sbi->cp_rwsem);
 }
 
 static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
 {
-	up_write(&sbi->cp_rwsem);
+	f2fs_up_write(&sbi->cp_rwsem);
 }
 
 static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
@@ -2157,6 +2491,7 @@
 static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
 {
 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
+	void *tmp_ptr = &ckpt->sit_nat_version_bitmap;
 	int offset;
 
 	if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
@@ -2166,7 +2501,7 @@
 		 * if large_nat_bitmap feature is enabled, leave checksum
 		 * protection for all nat/sit bitmaps.
 		 */
-		return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32);
+		return tmp_ptr + offset + sizeof(__le32);
 	}
 
 	if (__cp_payload(sbi) > 0) {
@@ -2177,7 +2512,7 @@
 	} else {
 		offset = (flag == NAT_BITMAP) ?
 			le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
-		return &ckpt->sit_nat_version_bitmap + offset;
+		return tmp_ptr + offset;
 	}
 }
 
@@ -2416,7 +2751,7 @@
 	return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
 }
 
-static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
+static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache *cachep,
 						gfp_t flags)
 {
 	void *entry;
@@ -2427,6 +2762,20 @@
 	return entry;
 }
 
+static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
+			gfp_t flags, bool nofail, struct f2fs_sb_info *sbi)
+{
+	if (nofail)
+		return f2fs_kmem_cache_alloc_nofail(cachep, flags);
+
+	if (time_to_inject(sbi, FAULT_SLAB_ALLOC)) {
+		f2fs_show_injection_info(sbi, FAULT_SLAB_ALLOC);
+		return NULL;
+	}
+
+	return kmem_cache_alloc(cachep, flags);
+}
+
 static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type)
 {
 	if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
@@ -2454,6 +2803,9 @@
 	if (is_inflight_io(sbi, type))
 		return false;
 
+	if (sbi->gc_mode == GC_URGENT_MID)
+		return true;
+
 	if (sbi->gc_mode == GC_URGENT_LOW &&
 			(type == DISCARD_TIME || type == GC_TIME))
 		return true;
@@ -2627,6 +2979,7 @@
 	case FI_DATA_EXIST:
 	case FI_INLINE_DOTS:
 	case FI_PIN_FILE:
+	case FI_COMPRESS_RELEASED:
 		f2fs_mark_inode_dirty_sync(inode, true);
 	}
 }
@@ -2748,6 +3101,8 @@
 		set_bit(FI_EXTRA_ATTR, fi->flags);
 	if (ri->i_inline & F2FS_PIN_FILE)
 		set_bit(FI_PIN_FILE, fi->flags);
+	if (ri->i_inline & F2FS_COMPRESS_RELEASED)
+		set_bit(FI_COMPRESS_RELEASED, fi->flags);
 }
 
 static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
@@ -2768,6 +3123,8 @@
 		ri->i_inline |= F2FS_EXTRA_ATTR;
 	if (is_inode_flag_set(inode, FI_PIN_FILE))
 		ri->i_inline |= F2FS_PIN_FILE;
+	if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
+		ri->i_inline |= F2FS_COMPRESS_RELEASED;
 }
 
 static inline int f2fs_has_extra_attr(struct inode *inode)
@@ -2786,6 +3143,22 @@
 		is_inode_flag_set(inode, FI_COMPRESSED_FILE);
 }
 
+static inline bool f2fs_need_compress_data(struct inode *inode)
+{
+	int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode;
+
+	if (!f2fs_compressed_file(inode))
+		return false;
+
+	if (compress_mode == COMPR_MODE_FS)
+		return true;
+	else if (compress_mode == COMPR_MODE_USER &&
+			is_inode_flag_set(inode, FI_ENABLE_COMPRESS))
+		return true;
+
+	return false;
+}
+
 static inline unsigned int addrs_per_inode(struct inode *inode)
 {
 	unsigned int addrs = CUR_ADDRS_PER_INODE(inode) -
@@ -2888,12 +3261,16 @@
 
 static inline void set_file(struct inode *inode, int type)
 {
+	if (is_file(inode, type))
+		return;
 	F2FS_I(inode)->i_advise |= type;
 	f2fs_mark_inode_dirty_sync(inode, true);
 }
 
 static inline void clear_file(struct inode *inode, int type)
 {
+	if (!is_file(inode, type))
+		return;
 	F2FS_I(inode)->i_advise &= ~type;
 	f2fs_mark_inode_dirty_sync(inode, true);
 }
@@ -2960,25 +3337,6 @@
 	return false;
 }
 
-static inline bool f2fs_may_extent_tree(struct inode *inode)
-{
-	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-
-	if (!test_opt(sbi, EXTENT_CACHE) ||
-			is_inode_flag_set(inode, FI_NO_EXTENT) ||
-			is_inode_flag_set(inode, FI_COMPRESSED_FILE))
-		return false;
-
-	/*
-	 * for recovered files during mount do not create extents
-	 * if shrinker is not registered.
-	 */
-	if (list_empty(&sbi->s_list))
-		return false;
-
-	return S_ISREG(inode->i_mode);
-}
-
 static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
 					size_t size, gfp_t flags)
 {
@@ -3037,47 +3395,6 @@
 		sizeof((f2fs_inode)->field))			\
 		<= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize)))	\
 
-#define DEFAULT_IOSTAT_PERIOD_MS	3000
-#define MIN_IOSTAT_PERIOD_MS		100
-/* maximum period of iostat tracing is 1 day */
-#define MAX_IOSTAT_PERIOD_MS		8640000
-
-static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
-{
-	int i;
-
-	spin_lock(&sbi->iostat_lock);
-	for (i = 0; i < NR_IO_TYPE; i++) {
-		sbi->rw_iostat[i] = 0;
-		sbi->prev_rw_iostat[i] = 0;
-	}
-	spin_unlock(&sbi->iostat_lock);
-}
-
-extern void f2fs_record_iostat(struct f2fs_sb_info *sbi);
-
-static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
-			enum iostat_type type, unsigned long long io_bytes)
-{
-	if (!sbi->iostat_enable)
-		return;
-	spin_lock(&sbi->iostat_lock);
-	sbi->rw_iostat[type] += io_bytes;
-
-	if (type == APP_WRITE_IO || type == APP_DIRECT_IO)
-		sbi->rw_iostat[APP_BUFFERED_IO] =
-			sbi->rw_iostat[APP_WRITE_IO] -
-			sbi->rw_iostat[APP_DIRECT_IO];
-
-	if (type == APP_READ_IO || type == APP_DIRECT_READ_IO)
-		sbi->rw_iostat[APP_BUFFERED_READ_IO] =
-			sbi->rw_iostat[APP_READ_IO] -
-			sbi->rw_iostat[APP_DIRECT_READ_IO];
-	spin_unlock(&sbi->iostat_lock);
-
-	f2fs_record_iostat(sbi);
-}
-
 #define __is_large_section(sbi)		((sbi)->segs_per_sec > 1)
 
 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
@@ -3102,20 +3419,6 @@
 	return true;
 }
 
-static inline void f2fs_set_page_private(struct page *page,
-						unsigned long data)
-{
-	if (PagePrivate(page))
-		return;
-
-	attach_page_private(page, (void *)data);
-}
-
-static inline void f2fs_clear_page_private(struct page *page)
-{
-	detach_page_private(page);
-}
-
 /*
  * file.c
  */
@@ -3219,9 +3522,12 @@
  */
 int f2fs_inode_dirtied(struct inode *inode, bool sync);
 void f2fs_inode_synced(struct inode *inode);
+int f2fs_dquot_initialize(struct inode *inode);
 int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
 int f2fs_quota_sync(struct super_block *sb, int type);
+loff_t max_file_blocks(struct inode *inode);
 void f2fs_quota_off_umount(struct super_block *sb);
+void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason);
 int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
 int f2fs_sync_fs(struct super_block *sb, int sync);
 int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
@@ -3234,7 +3540,6 @@
 /*
  * node.c
  */
-struct dnode_of_data;
 struct node_info;
 
 int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
@@ -3247,13 +3552,14 @@
 bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
 bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
 int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
-						struct node_info *ni);
+				struct node_info *ni, bool checkpoint_context);
 pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
 int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
 int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
 int f2fs_truncate_xattr_node(struct inode *inode);
 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi,
 					unsigned int seq_id);
+bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info *sbi);
 int f2fs_remove_inode_page(struct inode *inode);
 struct page *f2fs_new_inode_page(struct inode *inode);
 struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs);
@@ -3278,6 +3584,7 @@
 int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
 int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
 			unsigned int segno, struct f2fs_summary_block *sum);
+void f2fs_enable_nat_bits(struct f2fs_sb_info *sbi);
 int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
 int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
 void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
@@ -3301,6 +3608,7 @@
 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
 void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
 bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
+int f2fs_start_discard_thread(struct f2fs_sb_info *sbi);
 void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
 void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
 bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
@@ -3319,7 +3627,7 @@
 			unsigned int *newseg, bool new_sec, int dir);
 void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
 					unsigned int start, unsigned int end);
-void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type);
+void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
 void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
 int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
 bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
@@ -3345,6 +3653,8 @@
 			block_t old_blkaddr, block_t *new_blkaddr,
 			struct f2fs_summary *sum, int type,
 			struct f2fs_io_info *fio);
+void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino,
+					block_t blkaddr, unsigned int blkcnt);
 void f2fs_wait_on_page_writeback(struct page *page,
 			enum page_type type, bool ordered, bool locked);
 void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
@@ -3369,10 +3679,22 @@
 unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
 			unsigned int segno);
 
+#define DEF_FRAGMENT_SIZE	4
+#define MIN_FRAGMENT_SIZE	1
+#define MAX_FRAGMENT_SIZE	512
+
+static inline bool f2fs_need_rand_seg(struct f2fs_sb_info *sbi)
+{
+	return F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG ||
+		F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK;
+}
+
 /*
  * checkpoint.c
  */
-void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
+void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io,
+							unsigned char reason);
+void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi);
 struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
 struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
 struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index);
@@ -3381,7 +3703,8 @@
 					block_t blkaddr, int type);
 int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
 			int type, bool sync);
-void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
+void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index,
+							unsigned int ra_blocks);
 long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
 			long nr_to_write, enum iostat_type io_type);
 void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
@@ -3404,17 +3727,21 @@
 int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type,
 								bool from_cp);
 void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type);
+u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi);
 int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
 void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
 int __init f2fs_create_checkpoint_caches(void);
 void f2fs_destroy_checkpoint_caches(void);
+int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi);
+int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi);
+void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi);
+void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
 
 /*
  * data.c
  */
 int __init f2fs_init_bioset(void);
 void f2fs_destroy_bioset(void);
-struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool noio);
 int f2fs_init_bio_entry_cache(void);
 void f2fs_destroy_bio_entry_cache(void);
 void f2fs_submit_bio(struct f2fs_sb_info *sbi,
@@ -3437,7 +3764,6 @@
 int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
 int f2fs_reserve_new_block(struct dnode_of_data *dn);
 int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
-int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
 int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
 struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
 			int op_flags, bool for_write);
@@ -3460,6 +3786,7 @@
 				struct writeback_control *wbc,
 				enum iostat_type io_type,
 				int compr_blocks, bool allow_balance);
+void f2fs_write_failed(struct inode *inode, loff_t to);
 void f2fs_invalidate_page(struct page *page, unsigned int offset,
 			unsigned int length);
 int f2fs_release_page(struct page *page, gfp_t wait);
@@ -3473,6 +3800,7 @@
 void f2fs_destroy_post_read_processing(void);
 int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
 void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi);
+extern const struct iomap_ops f2fs_iomap_ops;
 
 /*
  * gc.c
@@ -3522,6 +3850,8 @@
 	int nr_discarding, nr_discarded;
 	int nr_discard_cmd;
 	unsigned int undiscard_blks;
+	int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt;
+	unsigned int cur_ckpt_time, peak_ckpt_time;
 	int inline_xattr, inline_inode, inline_dir, append, update, orphans;
 	int compr_inode;
 	unsigned long long compr_blocks;
@@ -3530,7 +3860,8 @@
 	unsigned int bimodal, avg_vblocks;
 	int util_free, util_valid, util_invalid;
 	int rsvd_segs, overp_segs;
-	int dirty_count, node_pages, meta_pages;
+	int dirty_count, node_pages, meta_pages, compress_pages;
+	int compress_page_hit;
 	int prefree_count, call_count, cp_count, bg_cp_count;
 	int tot_segs, node_segs, data_segs, free_segs, free_secs;
 	int bg_node_segs, bg_data_segs;
@@ -3707,8 +4038,6 @@
 #define stat_dec_compr_inode(inode)			do { } while (0)
 #define stat_add_compr_blocks(inode, blocks)		do { } while (0)
 #define stat_sub_compr_blocks(inode, blocks)		do { } while (0)
-#define stat_inc_atomic_write(inode)			do { } while (0)
-#define stat_dec_atomic_write(inode)			do { } while (0)
 #define stat_update_max_atomic_write(inode)		do { } while (0)
 #define stat_inc_volatile_write(inode)			do { } while (0)
 #define stat_dec_volatile_write(inode)			do { } while (0)
@@ -3730,9 +4059,6 @@
 #endif
 
 extern const struct file_operations f2fs_dir_operations;
-#ifdef CONFIG_UNICODE
-extern const struct dentry_operations f2fs_dentry_ops;
-#endif
 extern const struct file_operations f2fs_file_operations;
 extern const struct inode_operations f2fs_file_inode_operations;
 extern const struct address_space_operations f2fs_dblock_aops;
@@ -3823,6 +4149,9 @@
 /*
  * sysfs.c
  */
+#define MIN_RA_MUL	2
+#define MAX_RA_MUL	256
+
 int __init f2fs_init_sysfs(void);
 void f2fs_exit_sysfs(void);
 int f2fs_register_sysfs(struct f2fs_sb_info *sbi);
@@ -3872,29 +4201,59 @@
 bool f2fs_is_compress_backend_ready(struct inode *inode);
 int f2fs_init_compress_mempool(void);
 void f2fs_destroy_compress_mempool(void);
-void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity);
+void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task);
+void f2fs_end_read_compressed_page(struct page *page, bool failed,
+				block_t blkaddr, bool in_task);
 bool f2fs_cluster_is_empty(struct compress_ctx *cc);
 bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
+bool f2fs_all_cluster_page_loaded(struct compress_ctx *cc, struct pagevec *pvec,
+				int index, int nr_pages);
+bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
 void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
 int f2fs_write_multi_pages(struct compress_ctx *cc,
 						int *submitted,
 						struct writeback_control *wbc,
 						enum iostat_type io_type);
 int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index);
+void f2fs_update_extent_tree_range_compressed(struct inode *inode,
+				pgoff_t fofs, block_t blkaddr, unsigned int llen,
+				unsigned int c_len);
 int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 				unsigned nr_pages, sector_t *last_block_in_bio,
 				bool is_readahead, bool for_write);
 struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
-void f2fs_free_dic(struct decompress_io_ctx *dic);
-void f2fs_decompress_end_io(struct page **rpages,
-			unsigned int cluster_size, bool err, bool verity);
+void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed,
+				bool in_task);
+void f2fs_put_page_dic(struct page *page, bool in_task);
+unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn);
 int f2fs_init_compress_ctx(struct compress_ctx *cc);
 void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse);
 void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
+int f2fs_init_compress_inode(struct f2fs_sb_info *sbi);
+void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi);
 int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi);
 void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi);
 int __init f2fs_init_compress_cache(void);
 void f2fs_destroy_compress_cache(void);
+struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi);
+void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr);
+void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+						nid_t ino, block_t blkaddr);
+bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+								block_t blkaddr);
+void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino);
+#define inc_compr_inode_stat(inode)					\
+	do {								\
+		struct f2fs_sb_info *sbi = F2FS_I_SB(inode);		\
+		sbi->compr_new_inode++;					\
+	} while (0)
+#define add_compr_block_stat(inode, blocks)				\
+	do {								\
+		struct f2fs_sb_info *sbi = F2FS_I_SB(inode);		\
+		int diff = F2FS_I(inode)->i_cluster_size - blocks;	\
+		sbi->compr_written_block += blocks;			\
+		sbi->compr_saved_block += diff;				\
+	} while (0)
 #else
 static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
 static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
@@ -3911,26 +4270,68 @@
 }
 static inline int f2fs_init_compress_mempool(void) { return 0; }
 static inline void f2fs_destroy_compress_mempool(void) { }
+static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic,
+				bool in_task) { }
+static inline void f2fs_end_read_compressed_page(struct page *page,
+				bool failed, block_t blkaddr, bool in_task)
+{
+	WARN_ON_ONCE(1);
+}
+static inline void f2fs_put_page_dic(struct page *page, bool in_task)
+{
+	WARN_ON_ONCE(1);
+}
+static inline unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn) { return 0; }
+static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; }
+static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; }
+static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { }
 static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; }
 static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { }
 static inline int __init f2fs_init_compress_cache(void) { return 0; }
 static inline void f2fs_destroy_compress_cache(void) { }
+static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi,
+				block_t blkaddr) { }
+static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi,
+				struct page *page, nid_t ino, block_t blkaddr) { }
+static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi,
+				struct page *page, block_t blkaddr) { return false; }
+static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi,
+							nid_t ino) { }
+#define inc_compr_inode_stat(inode)		do { } while (0)
+static inline void f2fs_update_extent_tree_range_compressed(struct inode *inode,
+				pgoff_t fofs, block_t blkaddr, unsigned int llen,
+				unsigned int c_len) { }
 #endif
 
-static inline void set_compress_context(struct inode *inode)
+static inline int set_compress_context(struct inode *inode)
 {
+#ifdef CONFIG_F2FS_FS_COMPRESSION
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 
 	F2FS_I(inode)->i_compress_algorithm =
 			F2FS_OPTION(sbi).compress_algorithm;
 	F2FS_I(inode)->i_log_cluster_size =
 			F2FS_OPTION(sbi).compress_log_size;
+	F2FS_I(inode)->i_compress_flag =
+			F2FS_OPTION(sbi).compress_chksum ?
+				1 << COMPRESS_CHKSUM : 0;
 	F2FS_I(inode)->i_cluster_size =
 			1 << F2FS_I(inode)->i_log_cluster_size;
+	if ((F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 ||
+		F2FS_I(inode)->i_compress_algorithm == COMPRESS_ZSTD) &&
+			F2FS_OPTION(sbi).compress_level)
+		F2FS_I(inode)->i_compress_flag |=
+				F2FS_OPTION(sbi).compress_level <<
+				COMPRESS_LEVEL_OFFSET;
 	F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
 	set_inode_flag(inode, FI_COMPRESSED_FILE);
 	stat_inc_compr_inode(inode);
+	inc_compr_inode_stat(inode);
 	f2fs_mark_inode_dirty_sync(inode, true);
+	return 0;
+#else
+	return -EOPNOTSUPP;
+#endif
 }
 
 static inline bool f2fs_disable_compressed_file(struct inode *inode)
@@ -3968,6 +4369,27 @@
 F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
 F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
 F2FS_FEATURE_FUNCS(compression, COMPRESSION);
+F2FS_FEATURE_FUNCS(readonly, RO);
+
+static inline bool f2fs_may_extent_tree(struct inode *inode)
+{
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+	if (!test_opt(sbi, EXTENT_CACHE) ||
+			is_inode_flag_set(inode, FI_NO_EXTENT) ||
+			(is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
+			 !f2fs_sb_has_readonly(sbi)))
+		return false;
+
+	/*
+	 * for recovered files during mount do not create extents
+	 * if shrinker is not registered.
+	 */
+	if (list_empty(&sbi->s_list))
+		return false;
+
+	return S_ISREG(inode->i_mode);
+}
 
 #ifdef CONFIG_BLK_DEV_ZONED
 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
@@ -4027,6 +4449,11 @@
 	return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
 }
 
+static inline bool f2fs_low_mem_mode(struct f2fs_sb_info *sbi)
+{
+	return F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW;
+}
+
 static inline bool f2fs_may_compress(struct inode *inode)
 {
 	if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
@@ -4067,14 +4494,14 @@
 	return align & blocksize_mask;
 }
 
-static inline int allow_outplace_dio(struct inode *inode,
-				struct kiocb *iocb, struct iov_iter *iter)
+static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi,
+								int flag)
 {
-	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-	int rw = iov_iter_rw(iter);
-
-	return (f2fs_lfs_mode(sbi) && (rw == WRITE) &&
-				!block_unaligned_IO(inode, iocb, iter));
+	if (!f2fs_is_multi_device(sbi))
+		return false;
+	if (flag != F2FS_GET_BLOCK_DIO)
+		return false;
+	return sbi->aligned_blksize;
 }
 
 static inline bool f2fs_force_buffered_io(struct inode *inode,
@@ -4083,9 +4510,15 @@
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	int rw = iov_iter_rw(iter);
 
-	if (f2fs_post_read_required(inode))
+	if (!fscrypt_dio_supported(iocb, iter))
 		return true;
-	if (f2fs_is_multi_device(sbi))
+	if (fsverity_active(inode))
+		return true;
+	if (f2fs_compressed_file(inode))
+		return true;
+
+	/* disallow direct IO if any of devices has unaligned blksize */
+	if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize)
 		return true;
 	/*
 	 * for blkzoned device, fallback direct IO to buffered IO, so
@@ -4099,13 +4532,18 @@
 		if (F2FS_IO_ALIGNED(sbi))
 			return true;
 	}
-	if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED) &&
-					!IS_SWAPFILE(inode))
+	if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED))
 		return true;
 
 	return false;
 }
 
+static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx)
+{
+	return fsverity_active(inode) &&
+	       idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
+}
+
 #ifdef CONFIG_F2FS_FAULT_INJECTION
 extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
 							unsigned int type);
@@ -4126,6 +4564,32 @@
 	return false;
 }
 
+static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi)
+{
+	return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK;
+}
+
+static inline void f2fs_io_schedule_timeout(long timeout)
+{
+	set_current_state(TASK_UNINTERRUPTIBLE);
+	io_schedule_timeout(timeout);
+}
+
+static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, pgoff_t ofs,
+					enum page_type type)
+{
+	if (unlikely(f2fs_cp_error(sbi)))
+		return;
+
+	if (ofs == sbi->page_eio_ofs[type]) {
+		if (sbi->page_eio_cnt[type]++ == MAX_RETRY_PAGE_EIO)
+			set_ckpt_flags(sbi, CP_ERROR_FLAG);
+	} else {
+		sbi->page_eio_ofs[type] = ofs;
+		sbi->page_eio_cnt[type] = 0;
+	}
+}
+
 #define EFSBADCRC	EBADMSG		/* Bad CRC detected */
 #define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
 
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 55818bd..9de79af 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -22,6 +22,8 @@
 #include <linux/file.h>
 #include <linux/nls.h>
 #include <linux/sched/signal.h>
+#include <linux/fadvise.h>
+#include <linux/iomap.h>
 
 #include "f2fs.h"
 #include "node.h"
@@ -29,8 +31,9 @@
 #include "xattr.h"
 #include "acl.h"
 #include "gc.h"
-#include "trace.h"
+#include "iostat.h"
 #include <trace/events/f2fs.h>
+#include <trace/events/android_fs.h>
 #include <uapi/linux/f2fs.h>
 
 static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
@@ -38,9 +41,9 @@
 	struct inode *inode = file_inode(vmf->vma->vm_file);
 	vm_fault_t ret;
 
-	down_read(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_read(&F2FS_I(inode)->i_mmap_sem);
 	ret = filemap_fault(vmf);
-	up_read(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_read(&F2FS_I(inode)->i_mmap_sem);
 
 	if (ret & VM_FAULT_LOCKED)
 		f2fs_update_iostat(F2FS_I_SB(inode), APP_MAPPED_READ_IO,
@@ -63,6 +66,9 @@
 	if (unlikely(IS_IMMUTABLE(inode)))
 		return VM_FAULT_SIGBUS;
 
+	if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
+		return VM_FAULT_SIGBUS;
+
 	if (unlikely(f2fs_cp_error(sbi))) {
 		err = -EIO;
 		goto err;
@@ -73,6 +79,10 @@
 		goto err;
 	}
 
+	err = f2fs_convert_inline_inode(inode);
+	if (err)
+		goto err;
+
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	if (f2fs_compressed_file(inode)) {
 		int ret = f2fs_is_compressed_cluster(inode, page->index);
@@ -81,10 +91,6 @@
 			err = ret;
 			goto err;
 		} else if (ret) {
-			if (ret < F2FS_I(inode)->i_cluster_size) {
-				err = -EAGAIN;
-				goto err;
-			}
 			need_alloc = false;
 		}
 	}
@@ -98,7 +104,7 @@
 	f2fs_bug_on(sbi, f2fs_has_inline_data(inode));
 
 	file_update_time(vmf->vma->vm_file);
-	down_read(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_read(&F2FS_I(inode)->i_mmap_sem);
 	lock_page(page);
 	if (unlikely(page->mapping != inode->i_mapping ||
 			page_offset(page) > i_size_read(inode) ||
@@ -113,7 +119,6 @@
 		f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true);
 		set_new_dnode(&dn, inode, NULL, NULL, 0);
 		err = f2fs_get_block(&dn, page->index);
-		f2fs_put_dnode(&dn);
 		f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false);
 	}
 
@@ -157,7 +162,7 @@
 
 	trace_f2fs_vm_page_mkwrite(page, DATA);
 out_sem:
-	up_read(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_read(&F2FS_I(inode)->i_mmap_sem);
 
 	sb_end_pagefault(inode->i_sb);
 err:
@@ -168,6 +173,9 @@
 	.fault		= f2fs_filemap_fault,
 	.map_pages	= filemap_map_pages,
 	.page_mkwrite	= f2fs_vm_page_mkwrite,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	.allow_speculation = filemap_allow_speculation,
+#endif
 };
 
 static int get_parent_ino(struct inode *inode, nid_t *pino)
@@ -235,13 +243,13 @@
 	struct f2fs_inode_info *fi = F2FS_I(inode);
 	nid_t pino;
 
-	down_write(&fi->i_sem);
+	f2fs_down_write(&fi->i_sem);
 	if (file_wrong_pino(inode) && inode->i_nlink == 1 &&
 			get_parent_ino(inode, &pino)) {
 		f2fs_i_pino_write(inode, pino);
 		file_got_pino(inode);
 	}
-	up_write(&fi->i_sem);
+	f2fs_up_write(&fi->i_sem);
 }
 
 static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
@@ -298,15 +306,27 @@
 				f2fs_exist_written_data(sbi, ino, UPDATE_INO))
 			goto flush_out;
 		goto out;
+	} else {
+		/*
+		 * for OPU case, during fsync(), node can be persisted before
+		 * data when lower device doesn't support write barrier, result
+		 * in data corruption after SPO.
+		 * So for strict fsync mode, force to use atomic write sematics
+		 * to keep write order in between data/node and last node to
+		 * avoid potential data corruption.
+		 */
+		if (F2FS_OPTION(sbi).fsync_mode ==
+				FSYNC_MODE_STRICT && !atomic)
+			atomic = true;
 	}
 go_write:
 	/*
 	 * Both of fdatasync() and fsync() are able to be recovered from
 	 * sudden-power-off.
 	 */
-	down_read(&F2FS_I(inode)->i_sem);
+	f2fs_down_read(&F2FS_I(inode)->i_sem);
 	cp_reason = need_do_checkpoint(inode);
-	up_read(&F2FS_I(inode)->i_sem);
+	f2fs_up_read(&F2FS_I(inode)->i_sem);
 
 	if (cp_reason) {
 		/* all the dirty node pages should be flushed for POR */
@@ -368,7 +388,6 @@
 	f2fs_update_time(sbi, REQ_TIME);
 out:
 	trace_f2fs_sync_file_exit(inode, cp_reason, datasync, ret);
-	f2fs_trace_ios(NULL, 1);
 	return ret;
 }
 
@@ -485,6 +504,9 @@
 	struct inode *inode = file->f_mapping->host;
 	loff_t maxbytes = inode->i_sb->s_maxbytes;
 
+	if (f2fs_compressed_file(inode))
+		maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS;
+
 	switch (whence) {
 	case SEEK_SET:
 	case SEEK_CUR:
@@ -504,7 +526,6 @@
 static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	struct inode *inode = file_inode(file);
-	int err;
 
 	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
 		return -EIO;
@@ -512,11 +533,6 @@
 	if (!f2fs_is_compress_backend_ready(inode))
 		return -EOPNOTSUPP;
 
-	/* we don't need to use inline_data strictly */
-	err = f2fs_convert_inline_inode(inode);
-	if (err)
-		return err;
-
 	file_accessed(file);
 	vma->vm_ops = &f2fs_file_vm_ops;
 	set_inode_flag(inode, FI_MMAP_FILE);
@@ -669,7 +685,7 @@
 
 	free_from = (pgoff_t)F2FS_BLK_ALIGN(from);
 
-	if (free_from >= sbi->max_file_blocks)
+	if (free_from >= max_file_blocks(inode))
 		goto free_partial;
 
 	if (lock)
@@ -741,6 +757,14 @@
 		return err;
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
+	/*
+	 * For compressed file, after release compress blocks, don't allow write
+	 * direct, but we should allow write direct after truncate to zero.
+	 */
+	if (f2fs_compressed_file(inode) && !free_from
+			&& is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
+		clear_inode_flag(inode, FI_COMPRESS_RELEASED);
+
 	if (from != free_from) {
 		err = f2fs_truncate_partial_cluster(inode, from, lock);
 		if (err)
@@ -769,7 +793,7 @@
 		return -EIO;
 	}
 
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		return err;
 
@@ -794,7 +818,7 @@
 {
 	struct inode *inode = d_inode(path->dentry);
 	struct f2fs_inode_info *fi = F2FS_I(inode);
-	struct f2fs_inode *ri;
+	struct f2fs_inode *ri = NULL;
 	unsigned int flags;
 
 	if (f2fs_has_extra_attr(inode) &&
@@ -897,7 +921,7 @@
 		return err;
 
 	if (is_quota_modification(inode, attr)) {
-		err = dquot_initialize(inode);
+		err = f2fs_dquot_initialize(inode);
 		if (err)
 			return err;
 	}
@@ -938,8 +962,8 @@
 				return err;
 		}
 
-		down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-		down_write(&F2FS_I(inode)->i_mmap_sem);
+		f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+		f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 		truncate_setsize(inode, attr->ia_size);
 
@@ -949,8 +973,8 @@
 		 * do not trim all blocks after i_size if target size is
 		 * larger than i_size.
 		 */
-		up_write(&F2FS_I(inode)->i_mmap_sem);
-		up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+		f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+		f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 		if (err)
 			return err;
 
@@ -964,8 +988,10 @@
 
 	if (attr->ia_valid & ATTR_MODE) {
 		err = posix_acl_chmod(inode, f2fs_get_inode_mode(inode));
-		if (err || is_inode_flag_set(inode, FI_ACL_MODE)) {
-			inode->i_mode = F2FS_I(inode)->i_acl_mode;
+
+		if (is_inode_flag_set(inode, FI_ACL_MODE)) {
+			if (!err)
+				inode->i_mode = F2FS_I(inode)->i_acl_mode;
 			clear_inode_flag(inode, FI_ACL_MODE);
 		}
 	}
@@ -1088,8 +1114,8 @@
 			blk_start = (loff_t)pg_start << PAGE_SHIFT;
 			blk_end = (loff_t)pg_end << PAGE_SHIFT;
 
-			down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-			down_write(&F2FS_I(inode)->i_mmap_sem);
+			f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+			f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 			truncate_pagecache_range(inode, blk_start, blk_end - 1);
 
@@ -1097,8 +1123,8 @@
 			ret = f2fs_truncate_hole(inode, pg_start, pg_end);
 			f2fs_unlock_op(sbi);
 
-			up_write(&F2FS_I(inode)->i_mmap_sem);
-			up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+			f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+			f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 		}
 	}
 
@@ -1209,7 +1235,7 @@
 			if (ret)
 				return ret;
 
-			ret = f2fs_get_node_info(sbi, dn.nid, &ni);
+			ret = f2fs_get_node_info(sbi, dn.nid, &ni, false);
 			if (ret) {
 				f2fs_put_dnode(&dn);
 				return ret;
@@ -1331,8 +1357,8 @@
 	f2fs_balance_fs(sbi, true);
 
 	/* avoid gc operation during block exchange */
-	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 	f2fs_lock_op(sbi);
 	f2fs_drop_extent_tree(inode);
@@ -1340,8 +1366,8 @@
 	ret = __exchange_data_block(inode, inode, end, start, nrpages - end, true);
 	f2fs_unlock_op(sbi);
 
-	up_write(&F2FS_I(inode)->i_mmap_sem);
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	return ret;
 }
 
@@ -1371,13 +1397,13 @@
 		return ret;
 
 	/* write out all moved pages, if possible */
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 	filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
 	truncate_pagecache(inode, offset);
 
 	new_size = i_size_read(inode) - len;
 	ret = f2fs_truncate_blocks(inode, new_size, true);
-	up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
 	if (!ret)
 		f2fs_i_size_write(inode, new_size);
 	return ret;
@@ -1484,8 +1510,8 @@
 			unsigned int end_offset;
 			pgoff_t end;
 
-			down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-			down_write(&F2FS_I(inode)->i_mmap_sem);
+			f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+			f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 			truncate_pagecache_range(inode,
 				(loff_t)index << PAGE_SHIFT,
@@ -1497,8 +1523,8 @@
 			ret = f2fs_get_dnode_of_data(&dn, index, ALLOC_NODE);
 			if (ret) {
 				f2fs_unlock_op(sbi);
-				up_write(&F2FS_I(inode)->i_mmap_sem);
-				up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+				f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+				f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 				goto out;
 			}
 
@@ -1509,8 +1535,8 @@
 			f2fs_put_dnode(&dn);
 
 			f2fs_unlock_op(sbi);
-			up_write(&F2FS_I(inode)->i_mmap_sem);
-			up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+			f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+			f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 			f2fs_balance_fs(sbi, dn.node_changed);
 
@@ -1566,9 +1592,9 @@
 
 	f2fs_balance_fs(sbi, true);
 
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 	ret = f2fs_truncate_blocks(inode, i_size_read(inode), true);
-	up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
 	if (ret)
 		return ret;
 
@@ -1583,8 +1609,8 @@
 	idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
 
 	/* avoid gc operation during block exchange */
-	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 	truncate_pagecache(inode, offset);
 
 	while (!ret && idx > pg_start) {
@@ -1600,14 +1626,14 @@
 					idx + delta, nr, false);
 		f2fs_unlock_op(sbi);
 	}
-	up_write(&F2FS_I(inode)->i_mmap_sem);
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	/* write out all moved pages, if possible */
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 	filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
 	truncate_pagecache(inode, offset);
-	up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
 
 	if (!ret)
 		f2fs_i_size_write(inode, new_size);
@@ -1657,22 +1683,23 @@
 next_alloc:
 		if (has_not_enough_free_secs(sbi, 0,
 			GET_SEC_FROM_SEG(sbi, overprovision_segments(sbi)))) {
-			down_write(&sbi->gc_lock);
+			f2fs_down_write(&sbi->gc_lock);
 			err = f2fs_gc(sbi, true, false, false, NULL_SEGNO);
 			if (err && err != -ENODATA && err != -EAGAIN)
 				goto out_err;
 		}
 
-		down_write(&sbi->pin_sem);
+		f2fs_down_write(&sbi->pin_sem);
 
 		f2fs_lock_op(sbi);
-		f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED);
+		f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED, false);
 		f2fs_unlock_op(sbi);
 
 		map.m_seg_type = CURSEG_COLD_DATA_PINNED;
 		err = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_DIO);
+		file_dont_truncate(inode);
 
-		up_write(&sbi->pin_sem);
+		f2fs_up_write(&sbi->pin_sem);
 
 		expanded += map.m_len;
 		sec_len -= map.m_len;
@@ -1732,7 +1759,11 @@
 		(mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)))
 		return -EOPNOTSUPP;
 
-	if (f2fs_compressed_file(inode) &&
+	/*
+	 * Pinned file should not support partial trucation since the block
+	 * can be used by applications.
+	 */
+	if ((f2fs_compressed_file(inode) || f2fs_is_pinned_file(inode)) &&
 		(mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE |
 			FALLOC_FL_ZERO_RANGE | FALLOC_FL_INSERT_RANGE)))
 		return -EOPNOTSUPP;
@@ -1820,7 +1851,8 @@
 	struct f2fs_inode_info *fi = F2FS_I(inode);
 	u32 masked_flags = fi->i_flags & mask;
 
-	f2fs_bug_on(F2FS_I_SB(inode), (iflags & ~mask));
+	/* mask can be shrunk by flags_valid selector */
+	iflags &= mask;
 
 	/* Is it quota file? Do not allow user to mess with it */
 	if (IS_NOQUOTA(inode))
@@ -1849,8 +1881,8 @@
 				return -EINVAL;
 			if (S_ISREG(inode->i_mode) && inode->i_size)
 				return -EINVAL;
-
-			set_compress_context(inode);
+			if (set_compress_context(inode))
+				return -EOPNOTSUPP;
 		}
 	}
 
@@ -2055,7 +2087,7 @@
 	if (ret)
 		goto out;
 
-	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	/*
 	 * Should wait end_io to count F2FS_WB_CP_DATA correctly by
@@ -2066,7 +2098,7 @@
 			  inode->i_ino, get_dirty_pages(inode));
 	ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
 	if (ret) {
-		up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+		f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 		goto out;
 	}
 
@@ -2079,7 +2111,7 @@
 	/* add inode in inmem_list first and set atomic_file */
 	set_inode_flag(inode, FI_ATOMIC_FILE);
 	clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST);
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
 	F2FS_I(inode)->inmem_task = current;
@@ -2246,7 +2278,8 @@
 		if (ret) {
 			if (ret == -EROFS) {
 				ret = 0;
-				f2fs_stop_checkpoint(sbi, false);
+				f2fs_stop_checkpoint(sbi, false,
+						STOP_CP_REASON_SHUTDOWN);
 				set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
 				trace_f2fs_shutdown(sbi, in, ret);
 			}
@@ -2256,32 +2289,28 @@
 
 	switch (in) {
 	case F2FS_GOING_DOWN_FULLSYNC:
-		sb = freeze_bdev(sb->s_bdev);
-		if (IS_ERR(sb)) {
-			ret = PTR_ERR(sb);
+		ret = freeze_bdev(sb->s_bdev);
+		if (ret)
 			goto out;
-		}
-		if (sb) {
-			f2fs_stop_checkpoint(sbi, false);
-			set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
-			thaw_bdev(sb->s_bdev, sb);
-		}
+		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_SHUTDOWN);
+		set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
+		thaw_bdev(sb->s_bdev);
 		break;
 	case F2FS_GOING_DOWN_METASYNC:
 		/* do checkpoint only */
 		ret = f2fs_sync_fs(sb, 1);
 		if (ret)
 			goto out;
-		f2fs_stop_checkpoint(sbi, false);
+		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_SHUTDOWN);
 		set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
 		break;
 	case F2FS_GOING_DOWN_NOSYNC:
-		f2fs_stop_checkpoint(sbi, false);
+		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_SHUTDOWN);
 		set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
 		break;
 	case F2FS_GOING_DOWN_METAFLUSH:
 		f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_META_IO);
-		f2fs_stop_checkpoint(sbi, false);
+		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_SHUTDOWN);
 		set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
 		break;
 	case F2FS_GOING_DOWN_NEED_FSCK:
@@ -2390,7 +2419,7 @@
 	if (err)
 		return err;
 
-	down_write(&sbi->sb_lock);
+	f2fs_down_write(&sbi->sb_lock);
 
 	if (uuid_is_nonzero(sbi->raw_super->encrypt_pw_salt))
 		goto got_it;
@@ -2409,7 +2438,7 @@
 									16))
 		err = -EFAULT;
 out_err:
-	up_write(&sbi->sb_lock);
+	f2fs_up_write(&sbi->sb_lock);
 	mnt_drop_write_file(filp);
 	return err;
 }
@@ -2486,12 +2515,12 @@
 		return ret;
 
 	if (!sync) {
-		if (!down_write_trylock(&sbi->gc_lock)) {
+		if (!f2fs_down_write_trylock(&sbi->gc_lock)) {
 			ret = -EBUSY;
 			goto out;
 		}
 	} else {
-		down_write(&sbi->gc_lock);
+		f2fs_down_write(&sbi->gc_lock);
 	}
 
 	ret = f2fs_gc(sbi, sync, true, false, NULL_SEGNO);
@@ -2522,12 +2551,12 @@
 
 do_more:
 	if (!range->sync) {
-		if (!down_write_trylock(&sbi->gc_lock)) {
+		if (!f2fs_down_write_trylock(&sbi->gc_lock)) {
 			ret = -EBUSY;
 			goto out;
 		}
 	} else {
-		down_write(&sbi->gc_lock);
+		f2fs_down_write(&sbi->gc_lock);
 	}
 
 	ret = f2fs_gc(sbi, range->sync, true, false,
@@ -2588,7 +2617,7 @@
 {
 	struct inode *inode = file_inode(filp);
 	struct f2fs_map_blocks map = { .m_next_extent = NULL,
-					.m_seg_type = NO_CHECK_TYPE ,
+					.m_seg_type = NO_CHECK_TYPE,
 					.m_may_create = false };
 	struct extent_info ei = {0, 0, 0};
 	pgoff_t pg_start, pg_end, next_pgofs;
@@ -2598,10 +2627,6 @@
 	bool fragmented = false;
 	int err;
 
-	/* if in-place-update policy is enabled, don't waste time here */
-	if (f2fs_should_update_inplace(inode, NULL))
-		return -EINVAL;
-
 	pg_start = range->start >> PAGE_SHIFT;
 	pg_end = (range->start + range->len) >> PAGE_SHIFT;
 
@@ -2609,6 +2634,13 @@
 
 	inode_lock(inode);
 
+	/* if in-place-update policy is enabled, don't waste time here */
+	set_inode_flag(inode, FI_OPU_WRITE);
+	if (f2fs_should_update_inplace(inode, NULL)) {
+		err = -EINVAL;
+		goto out;
+	}
+
 	/* writeback all dirty pages in the range */
 	err = filemap_write_and_wait_range(inode->i_mapping, range->start,
 						range->start + range->len - 1);
@@ -2690,7 +2722,7 @@
 			goto check;
 		}
 
-		set_inode_flag(inode, FI_DO_DEFRAG);
+		set_inode_flag(inode, FI_SKIP_WRITES);
 
 		idx = map.m_lblk;
 		while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
@@ -2715,15 +2747,16 @@
 		if (map.m_lblk < pg_end && cnt < blk_per_seg)
 			goto do_map;
 
-		clear_inode_flag(inode, FI_DO_DEFRAG);
+		clear_inode_flag(inode, FI_SKIP_WRITES);
 
 		err = filemap_fdatawrite(inode->i_mapping);
 		if (err)
 			goto out;
 	}
 clear_out:
-	clear_inode_flag(inode, FI_DO_DEFRAG);
+	clear_inode_flag(inode, FI_SKIP_WRITES);
 out:
+	clear_inode_flag(inode, FI_OPU_WRITE);
 	inode_unlock(inode);
 	if (!err)
 		range->len = (u64)total << PAGE_SHIFT;
@@ -2755,7 +2788,7 @@
 		return -EINVAL;
 
 	if (unlikely((range.start + range.len) >> PAGE_SHIFT >
-					sbi->max_file_blocks))
+					max_file_blocks(inode)))
 		return -EINVAL;
 
 	err = mnt_want_write_file(filp);
@@ -2864,10 +2897,10 @@
 
 	f2fs_balance_fs(sbi, true);
 
-	down_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
 	if (src != dst) {
 		ret = -EBUSY;
-		if (!down_write_trylock(&F2FS_I(dst)->i_gc_rwsem[WRITE]))
+		if (!f2fs_down_write_trylock(&F2FS_I(dst)->i_gc_rwsem[WRITE]))
 			goto out_src;
 	}
 
@@ -2885,9 +2918,9 @@
 	f2fs_unlock_op(sbi);
 
 	if (src != dst)
-		up_write(&F2FS_I(dst)->i_gc_rwsem[WRITE]);
+		f2fs_up_write(&F2FS_I(dst)->i_gc_rwsem[WRITE]);
 out_src:
-	up_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
+	f2fs_up_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
 out_unlock:
 	if (src != dst)
 		inode_unlock(dst);
@@ -2982,7 +3015,7 @@
 	end_segno = min(start_segno + range.segments, dev_end_segno);
 
 	while (start_segno < end_segno) {
-		if (!down_write_trylock(&sbi->gc_lock)) {
+		if (!f2fs_down_write_trylock(&sbi->gc_lock)) {
 			ret = -EBUSY;
 			goto out;
 		}
@@ -3036,7 +3069,7 @@
 	struct inode *inode = file_inode(filp);
 	struct f2fs_inode_info *fi = F2FS_I(inode);
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-	struct page *ipage;
+	struct f2fs_inode *ri = NULL;
 	kprojid_t kprojid;
 	int err;
 
@@ -3060,19 +3093,10 @@
 	if (IS_NOQUOTA(inode))
 		return err;
 
-	ipage = f2fs_get_node_page(sbi, inode->i_ino);
-	if (IS_ERR(ipage))
-		return PTR_ERR(ipage);
+	if (!F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
+		return -EOVERFLOW;
 
-	if (!F2FS_FITS_IN_INODE(F2FS_INODE(ipage), fi->i_extra_isize,
-								i_projid)) {
-		err = -EOVERFLOW;
-		f2fs_put_page(ipage, 1);
-		return err;
-	}
-	f2fs_put_page(ipage, 1);
-
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		return err;
 
@@ -3263,17 +3287,17 @@
 
 	inode_lock(inode);
 
-	if (f2fs_should_update_outplace(inode, NULL)) {
-		ret = -EINVAL;
-		goto out;
-	}
-
 	if (!pin) {
 		clear_inode_flag(inode, FI_PIN_FILE);
 		f2fs_i_gc_failures_write(inode, 0);
 		goto done;
 	}
 
+	if (f2fs_should_update_outplace(inode, NULL)) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	if (f2fs_pin_file_control(inode, false)) {
 		ret = -EAGAIN;
 		goto out;
@@ -3325,21 +3349,21 @@
 	map.m_next_extent = &m_next_extent;
 	map.m_seg_type = NO_CHECK_TYPE;
 	map.m_may_create = false;
-	end = F2FS_I_SB(inode)->max_file_blocks;
+	end = max_file_blocks(inode);
 
 	while (map.m_lblk < end) {
 		map.m_len = end - map.m_lblk;
 
-		down_write(&fi->i_gc_rwsem[WRITE]);
+		f2fs_down_write(&fi->i_gc_rwsem[WRITE]);
 		err = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_PRECACHE);
-		up_write(&fi->i_gc_rwsem[WRITE]);
+		f2fs_up_write(&fi->i_gc_rwsem[WRITE]);
 		if (err)
 			return err;
 
 		map.m_lblk = m_next_extent;
 	}
 
-	return err;
+	return 0;
 }
 
 static int f2fs_ioc_precache_extents(struct file *filp, unsigned long arg)
@@ -3373,7 +3397,7 @@
 
 	if (!f2fs_sb_has_verity(F2FS_I_SB(inode))) {
 		f2fs_warn(F2FS_I_SB(inode),
-			  "Can't enable fs-verity on inode %lu: the verity feature is not enabled on this filesystem.\n",
+			  "Can't enable fs-verity on inode %lu: the verity feature is not enabled on this filesystem",
 			  inode->i_ino);
 		return -EOPNOTSUPP;
 	}
@@ -3389,6 +3413,14 @@
 	return fsverity_ioctl_measure(filp, (void __user *)arg);
 }
 
+static int f2fs_ioc_read_verity_metadata(struct file *filp, unsigned long arg)
+{
+	if (!f2fs_sb_has_verity(F2FS_I_SB(file_inode(filp))))
+		return -EOPNOTSUPP;
+
+	return fsverity_ioctl_read_metadata(filp, (const void __user *)arg);
+}
+
 static int f2fs_ioc_getfslabel(struct file *filp, unsigned long arg)
 {
 	struct inode *inode = file_inode(filp);
@@ -3401,11 +3433,11 @@
 	if (!vbuf)
 		return -ENOMEM;
 
-	down_read(&sbi->sb_lock);
+	f2fs_down_read(&sbi->sb_lock);
 	count = utf16s_to_utf8s(sbi->raw_super->volume_name,
 			ARRAY_SIZE(sbi->raw_super->volume_name),
 			UTF16_LITTLE_ENDIAN, vbuf, MAX_VOLUME_NAME);
-	up_read(&sbi->sb_lock);
+	f2fs_up_read(&sbi->sb_lock);
 
 	if (copy_to_user((char __user *)arg, vbuf,
 				min(FSLABEL_MAX, count)))
@@ -3433,7 +3465,7 @@
 	if (err)
 		goto out;
 
-	down_write(&sbi->sb_lock);
+	f2fs_down_write(&sbi->sb_lock);
 
 	memset(sbi->raw_super->volume_name, 0,
 			sizeof(sbi->raw_super->volume_name));
@@ -3443,7 +3475,7 @@
 
 	err = f2fs_commit_super(sbi, false);
 
-	up_write(&sbi->sb_lock);
+	f2fs_up_write(&sbi->sb_lock);
 
 	mnt_drop_write_file(filp);
 out:
@@ -3553,7 +3585,7 @@
 		goto out;
 	}
 
-	if (IS_IMMUTABLE(inode)) {
+	if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -3562,16 +3594,15 @@
 	if (ret)
 		goto out;
 
-	F2FS_I(inode)->i_flags |= F2FS_IMMUTABLE_FL;
-	f2fs_set_inode_flags(inode);
+	set_inode_flag(inode, FI_COMPRESS_RELEASED);
 	inode->i_ctime = current_time(inode);
 	f2fs_mark_inode_dirty_sync(inode, true);
 
 	if (!atomic_read(&F2FS_I(inode)->i_compr_blocks))
 		goto out;
 
-	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 	last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
 
@@ -3606,8 +3637,8 @@
 		released_blocks += ret;
 	}
 
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-	up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 out:
 	inode_unlock(inode);
 
@@ -3718,13 +3749,13 @@
 
 	inode_lock(inode);
 
-	if (!IS_IMMUTABLE(inode)) {
+	if (!is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
 		ret = -EINVAL;
 		goto unlock_inode;
 	}
 
-	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 	last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
 
@@ -3759,12 +3790,11 @@
 		reserved_blocks += ret;
 	}
 
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-	up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	if (ret >= 0) {
-		F2FS_I(inode)->i_flags &= ~F2FS_IMMUTABLE_FL;
-		f2fs_set_inode_flags(inode);
+		clear_inode_flag(inode, FI_COMPRESS_RELEASED);
 		inode->i_ctime = current_time(inode);
 		f2fs_mark_inode_dirty_sync(inode, true);
 	}
@@ -3879,8 +3909,8 @@
 	if (ret)
 		goto err;
 
-	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
-	down_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
 
 	ret = filemap_write_and_wait_range(mapping, range.start,
 			to_end ? LLONG_MAX : end_addr - 1);
@@ -3967,8 +3997,8 @@
 		ret = f2fs_secure_erase(prev_bdev, inode, prev_index,
 				prev_block, len, range.flags);
 out:
-	up_write(&F2FS_I(inode)->i_mmap_sem);
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 err:
 	inode_unlock(inode);
 	file_end_write(filp);
@@ -3976,6 +4006,263 @@
 	return ret;
 }
 
+static int f2fs_ioc_get_compress_option(struct file *filp, unsigned long arg)
+{
+	struct inode *inode = file_inode(filp);
+	struct f2fs_comp_option option;
+
+	if (!f2fs_sb_has_compression(F2FS_I_SB(inode)))
+		return -EOPNOTSUPP;
+
+	inode_lock_shared(inode);
+
+	if (!f2fs_compressed_file(inode)) {
+		inode_unlock_shared(inode);
+		return -ENODATA;
+	}
+
+	option.algorithm = F2FS_I(inode)->i_compress_algorithm;
+	option.log_cluster_size = F2FS_I(inode)->i_log_cluster_size;
+
+	inode_unlock_shared(inode);
+
+	if (copy_to_user((struct f2fs_comp_option __user *)arg, &option,
+				sizeof(option)))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int f2fs_ioc_set_compress_option(struct file *filp, unsigned long arg)
+{
+	struct inode *inode = file_inode(filp);
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	struct f2fs_comp_option option;
+	int ret = 0;
+
+	if (!f2fs_sb_has_compression(sbi))
+		return -EOPNOTSUPP;
+
+	if (!(filp->f_mode & FMODE_WRITE))
+		return -EBADF;
+
+	if (copy_from_user(&option, (struct f2fs_comp_option __user *)arg,
+				sizeof(option)))
+		return -EFAULT;
+
+	if (!f2fs_compressed_file(inode) ||
+			option.log_cluster_size < MIN_COMPRESS_LOG_SIZE ||
+			option.log_cluster_size > MAX_COMPRESS_LOG_SIZE ||
+			option.algorithm >= COMPRESS_MAX)
+		return -EINVAL;
+
+	file_start_write(filp);
+	inode_lock(inode);
+
+	if (f2fs_is_mmap_file(inode) || get_dirty_pages(inode)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	if (inode->i_size != 0) {
+		ret = -EFBIG;
+		goto out;
+	}
+
+	F2FS_I(inode)->i_compress_algorithm = option.algorithm;
+	F2FS_I(inode)->i_log_cluster_size = option.log_cluster_size;
+	F2FS_I(inode)->i_cluster_size = 1 << option.log_cluster_size;
+	f2fs_mark_inode_dirty_sync(inode, true);
+
+	if (!f2fs_is_compress_backend_ready(inode))
+		f2fs_warn(sbi, "compression algorithm is successfully set, "
+			"but current kernel doesn't support this algorithm.");
+out:
+	inode_unlock(inode);
+	file_end_write(filp);
+
+	return ret;
+}
+
+static int redirty_blocks(struct inode *inode, pgoff_t page_idx, int len)
+{
+	DEFINE_READAHEAD(ractl, NULL, inode->i_mapping, page_idx);
+	struct address_space *mapping = inode->i_mapping;
+	struct page *page;
+	pgoff_t redirty_idx = page_idx;
+	int i, page_len = 0, ret = 0;
+
+	page_cache_ra_unbounded(&ractl, len, 0);
+
+	for (i = 0; i < len; i++, page_idx++) {
+		page = read_cache_page(mapping, page_idx, NULL, NULL);
+		if (IS_ERR(page)) {
+			ret = PTR_ERR(page);
+			break;
+		}
+		page_len++;
+	}
+
+	for (i = 0; i < page_len; i++, redirty_idx++) {
+		page = find_lock_page(mapping, redirty_idx);
+		if (!page) {
+			ret = -ENOMEM;
+			break;
+		}
+		set_page_dirty(page);
+		f2fs_put_page(page, 1);
+		f2fs_put_page(page, 0);
+	}
+
+	return ret;
+}
+
+static int f2fs_ioc_decompress_file(struct file *filp, unsigned long arg)
+{
+	struct inode *inode = file_inode(filp);
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	struct f2fs_inode_info *fi = F2FS_I(inode);
+	pgoff_t page_idx = 0, last_idx;
+	unsigned int blk_per_seg = sbi->blocks_per_seg;
+	int cluster_size = F2FS_I(inode)->i_cluster_size;
+	int count, ret;
+
+	if (!f2fs_sb_has_compression(sbi) ||
+			F2FS_OPTION(sbi).compress_mode != COMPR_MODE_USER)
+		return -EOPNOTSUPP;
+
+	if (!(filp->f_mode & FMODE_WRITE))
+		return -EBADF;
+
+	if (!f2fs_compressed_file(inode))
+		return -EINVAL;
+
+	f2fs_balance_fs(F2FS_I_SB(inode), true);
+
+	file_start_write(filp);
+	inode_lock(inode);
+
+	if (!f2fs_is_compress_backend_ready(inode)) {
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (f2fs_is_mmap_file(inode)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
+	if (ret)
+		goto out;
+
+	if (!atomic_read(&fi->i_compr_blocks))
+		goto out;
+
+	last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+
+	count = last_idx - page_idx;
+	while (count) {
+		int len = min(cluster_size, count);
+
+		ret = redirty_blocks(inode, page_idx, len);
+		if (ret < 0)
+			break;
+
+		if (get_dirty_pages(inode) >= blk_per_seg)
+			filemap_fdatawrite(inode->i_mapping);
+
+		count -= len;
+		page_idx += len;
+	}
+
+	if (!ret)
+		ret = filemap_write_and_wait_range(inode->i_mapping, 0,
+							LLONG_MAX);
+
+	if (ret)
+		f2fs_warn(sbi, "%s: The file might be partially decompressed (errno=%d). Please delete the file.",
+			  __func__, ret);
+out:
+	inode_unlock(inode);
+	file_end_write(filp);
+
+	return ret;
+}
+
+static int f2fs_ioc_compress_file(struct file *filp, unsigned long arg)
+{
+	struct inode *inode = file_inode(filp);
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	pgoff_t page_idx = 0, last_idx;
+	unsigned int blk_per_seg = sbi->blocks_per_seg;
+	int cluster_size = F2FS_I(inode)->i_cluster_size;
+	int count, ret;
+
+	if (!f2fs_sb_has_compression(sbi) ||
+			F2FS_OPTION(sbi).compress_mode != COMPR_MODE_USER)
+		return -EOPNOTSUPP;
+
+	if (!(filp->f_mode & FMODE_WRITE))
+		return -EBADF;
+
+	if (!f2fs_compressed_file(inode))
+		return -EINVAL;
+
+	f2fs_balance_fs(F2FS_I_SB(inode), true);
+
+	file_start_write(filp);
+	inode_lock(inode);
+
+	if (!f2fs_is_compress_backend_ready(inode)) {
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (f2fs_is_mmap_file(inode)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
+	if (ret)
+		goto out;
+
+	set_inode_flag(inode, FI_ENABLE_COMPRESS);
+
+	last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+
+	count = last_idx - page_idx;
+	while (count) {
+		int len = min(cluster_size, count);
+
+		ret = redirty_blocks(inode, page_idx, len);
+		if (ret < 0)
+			break;
+
+		if (get_dirty_pages(inode) >= blk_per_seg)
+			filemap_fdatawrite(inode->i_mapping);
+
+		count -= len;
+		page_idx += len;
+	}
+
+	if (!ret)
+		ret = filemap_write_and_wait_range(inode->i_mapping, 0,
+							LLONG_MAX);
+
+	clear_inode_flag(inode, FI_ENABLE_COMPRESS);
+
+	if (ret)
+		f2fs_warn(sbi, "%s: The file might be partially compressed (errno=%d). Please delete the file.",
+			  __func__, ret);
+out:
+	inode_unlock(inode);
+	file_end_write(filp);
+
+	return ret;
+}
+
 static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	switch (cmd) {
@@ -4047,6 +4334,8 @@
 		return f2fs_ioc_enable_verity(filp, arg);
 	case FS_IOC_MEASURE_VERITY:
 		return f2fs_ioc_measure_verity(filp, arg);
+	case FS_IOC_READ_VERITY_METADATA:
+		return f2fs_ioc_read_verity_metadata(filp, arg);
 	case FS_IOC_GETFSLABEL:
 		return f2fs_ioc_getfslabel(filp, arg);
 	case FS_IOC_SETFSLABEL:
@@ -4059,6 +4348,14 @@
 		return f2fs_reserve_compress_blocks(filp, arg);
 	case F2FS_IOC_SEC_TRIM_FILE:
 		return f2fs_sec_trim_file(filp, arg);
+	case F2FS_IOC_GET_COMPRESS_OPTION:
+		return f2fs_ioc_get_compress_option(filp, arg);
+	case F2FS_IOC_SET_COMPRESS_OPTION:
+		return f2fs_ioc_set_compress_option(filp, arg);
+	case F2FS_IOC_DECOMPRESS_FILE:
+		return f2fs_ioc_decompress_file(filp, arg);
+	case F2FS_IOC_COMPRESS_FILE:
+		return f2fs_ioc_compress_file(filp, arg);
 	default:
 		return -ENOTTY;
 	}
@@ -4074,27 +4371,410 @@
 	return __f2fs_ioctl(filp, cmd, arg);
 }
 
-static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
+/*
+ * Return %true if the given read or write request should use direct I/O, or
+ * %false if it should use buffered I/O.
+ */
+static bool f2fs_should_use_dio(struct inode *inode, struct kiocb *iocb,
+				struct iov_iter *iter)
+{
+	unsigned int align;
+
+	if (!(iocb->ki_flags & IOCB_DIRECT))
+		return false;
+
+	if (f2fs_force_buffered_io(inode, iocb, iter))
+		return false;
+
+	/*
+	 * Direct I/O not aligned to the disk's logical_block_size will be
+	 * attempted, but will fail with -EINVAL.
+	 *
+	 * f2fs additionally requires that direct I/O be aligned to the
+	 * filesystem block size, which is often a stricter requirement.
+	 * However, f2fs traditionally falls back to buffered I/O on requests
+	 * that are logical_block_size-aligned but not fs-block aligned.
+	 *
+	 * The below logic implements this behavior.
+	 */
+	align = iocb->ki_pos | iov_iter_alignment(iter);
+	if (!IS_ALIGNED(align, i_blocksize(inode)) &&
+	    IS_ALIGNED(align, bdev_logical_block_size(inode->i_sb->s_bdev)))
+		return false;
+
+	return true;
+}
+
+static int f2fs_dio_read_end_io(struct kiocb *iocb, ssize_t size, int error,
+				unsigned int flags)
+{
+	struct f2fs_sb_info *sbi = F2FS_I_SB(file_inode(iocb->ki_filp));
+
+	dec_page_count(sbi, F2FS_DIO_READ);
+	if (error)
+		return error;
+	f2fs_update_iostat(sbi, APP_DIRECT_READ_IO, size);
+	return 0;
+}
+
+static const struct iomap_dio_ops f2fs_iomap_dio_read_ops = {
+	.end_io = f2fs_dio_read_end_io,
+};
+
+static ssize_t f2fs_dio_read_iter(struct kiocb *iocb, struct iov_iter *to)
 {
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file_inode(file);
-	int ret;
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	struct f2fs_inode_info *fi = F2FS_I(inode);
+	const loff_t pos = iocb->ki_pos;
+	const size_t count = iov_iter_count(to);
+	struct iomap_dio *dio;
+	ssize_t ret;
+
+	if (count == 0)
+		return 0; /* skip atime update */
+
+	trace_f2fs_direct_IO_enter(inode, iocb, count, READ);
+	if (trace_android_fs_dataread_start_enabled()) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_dataread_start(inode, pos,
+						count, current->pid, path,
+						current->comm);
+	}
+
+	if (iocb->ki_flags & IOCB_NOWAIT) {
+		if (!f2fs_down_read_trylock(&fi->i_gc_rwsem[READ])) {
+			ret = -EAGAIN;
+			goto out;
+		}
+	} else {
+		f2fs_down_read(&fi->i_gc_rwsem[READ]);
+	}
+
+	/*
+	 * We have to use __iomap_dio_rw() and iomap_dio_complete() instead of
+	 * the higher-level function iomap_dio_rw() in order to ensure that the
+	 * F2FS_DIO_READ counter will be decremented correctly in all cases.
+	 */
+	inc_page_count(sbi, F2FS_DIO_READ);
+	dio = __iomap_dio_rw(iocb, to, &f2fs_iomap_ops,
+			     &f2fs_iomap_dio_read_ops, is_sync_kiocb(iocb));
+	if (IS_ERR_OR_NULL(dio)) {
+		ret = PTR_ERR_OR_ZERO(dio);
+		if (ret != -EIOCBQUEUED)
+			dec_page_count(sbi, F2FS_DIO_READ);
+	} else {
+		ret = iomap_dio_complete(dio);
+	}
+
+	f2fs_up_read(&fi->i_gc_rwsem[READ]);
+
+	file_accessed(file);
+out:
+	if (trace_android_fs_dataread_start_enabled())
+		trace_android_fs_dataread_end(inode, pos, count);
+	trace_f2fs_direct_IO_exit(inode, pos, count, READ, ret);
+	return ret;
+}
+
+static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
+{
+	struct inode *inode = file_inode(iocb->ki_filp);
+	ssize_t ret = 0;
 
 	if (!f2fs_is_compress_backend_ready(inode))
 		return -EOPNOTSUPP;
 
-	ret = generic_file_read_iter(iocb, iter);
+	if (f2fs_should_use_dio(inode, iocb, to))
+		return f2fs_dio_read_iter(iocb, to);
 
+	ret = generic_file_buffered_read(iocb, to, ret);
 	if (ret > 0)
-		f2fs_update_iostat(F2FS_I_SB(inode), APP_READ_IO, ret);
+		f2fs_update_iostat(F2FS_I_SB(inode), APP_BUFFERED_READ_IO, ret);
+	return ret;
+}
 
+static ssize_t f2fs_write_checks(struct kiocb *iocb, struct iov_iter *from)
+{
+	struct file *file = iocb->ki_filp;
+	struct inode *inode = file_inode(file);
+	ssize_t count;
+	int err;
+
+	if (IS_IMMUTABLE(inode))
+		return -EPERM;
+
+	if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
+		return -EPERM;
+
+	count = generic_write_checks(iocb, from);
+	if (count <= 0)
+		return count;
+
+	err = file_modified(file);
+	if (err)
+		return err;
+	return count;
+}
+
+/*
+ * Preallocate blocks for a write request, if it is possible and helpful to do
+ * so.  Returns a positive number if blocks may have been preallocated, 0 if no
+ * blocks were preallocated, or a negative errno value if something went
+ * seriously wrong.  Also sets FI_PREALLOCATED_ALL on the inode if *all* the
+ * requested blocks (not just some of them) have been allocated.
+ */
+static int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *iter,
+				   bool dio)
+{
+	struct inode *inode = file_inode(iocb->ki_filp);
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	const loff_t pos = iocb->ki_pos;
+	const size_t count = iov_iter_count(iter);
+	struct f2fs_map_blocks map = {};
+	int flag;
+	int ret;
+
+	/* If it will be an out-of-place direct write, don't bother. */
+	if (dio && f2fs_lfs_mode(sbi))
+		return 0;
+	/*
+	 * Don't preallocate holes aligned to DIO_SKIP_HOLES which turns into
+	 * buffered IO, if DIO meets any holes.
+	 */
+	if (dio && i_size_read(inode) &&
+		(F2FS_BYTES_TO_BLK(pos) < F2FS_BLK_ALIGN(i_size_read(inode))))
+		return 0;
+
+	/* No-wait I/O can't allocate blocks. */
+	if (iocb->ki_flags & IOCB_NOWAIT)
+		return 0;
+
+	/* If it will be a short write, don't bother. */
+	if (iov_iter_fault_in_readable(iter, count))
+		return 0;
+
+	if (f2fs_has_inline_data(inode)) {
+		/* If the data will fit inline, don't bother. */
+		if (pos + count <= MAX_INLINE_DATA(inode))
+			return 0;
+		ret = f2fs_convert_inline_inode(inode);
+		if (ret)
+			return ret;
+	}
+
+	/* Do not preallocate blocks that will be written partially in 4KB. */
+	map.m_lblk = F2FS_BLK_ALIGN(pos);
+	map.m_len = F2FS_BYTES_TO_BLK(pos + count);
+	if (map.m_len > map.m_lblk)
+		map.m_len -= map.m_lblk;
+	else
+		map.m_len = 0;
+	map.m_may_create = true;
+	if (dio) {
+		map.m_seg_type = f2fs_rw_hint_to_seg_type(inode->i_write_hint);
+		flag = F2FS_GET_BLOCK_PRE_DIO;
+	} else {
+		map.m_seg_type = NO_CHECK_TYPE;
+		flag = F2FS_GET_BLOCK_PRE_AIO;
+	}
+
+	ret = f2fs_map_blocks(inode, &map, 1, flag);
+	/* -ENOSPC|-EDQUOT are fine to report the number of allocated blocks. */
+	if (ret < 0 && !((ret == -ENOSPC || ret == -EDQUOT) && map.m_len > 0))
+		return ret;
+	if (ret == 0)
+		set_inode_flag(inode, FI_PREALLOCATED_ALL);
+	return map.m_len;
+}
+
+static ssize_t f2fs_buffered_write_iter(struct kiocb *iocb,
+					struct iov_iter *from)
+{
+	struct file *file = iocb->ki_filp;
+	struct inode *inode = file_inode(file);
+	ssize_t ret;
+
+	if (iocb->ki_flags & IOCB_NOWAIT)
+		return -EOPNOTSUPP;
+
+	current->backing_dev_info = inode_to_bdi(inode);
+	ret = generic_perform_write(file, from, iocb->ki_pos);
+	current->backing_dev_info = NULL;
+
+	if (ret > 0) {
+		iocb->ki_pos += ret;
+		f2fs_update_iostat(F2FS_I_SB(inode), APP_BUFFERED_IO, ret);
+	}
+	return ret;
+}
+
+static int f2fs_dio_write_end_io(struct kiocb *iocb, ssize_t size, int error,
+				 unsigned int flags)
+{
+	struct f2fs_sb_info *sbi = F2FS_I_SB(file_inode(iocb->ki_filp));
+
+	dec_page_count(sbi, F2FS_DIO_WRITE);
+	if (error)
+		return error;
+	f2fs_update_iostat(sbi, APP_DIRECT_IO, size);
+	return 0;
+}
+
+static const struct iomap_dio_ops f2fs_iomap_dio_write_ops = {
+	.end_io = f2fs_dio_write_end_io,
+};
+
+static ssize_t f2fs_dio_write_iter(struct kiocb *iocb, struct iov_iter *from,
+				   bool *may_need_sync)
+{
+	struct file *file = iocb->ki_filp;
+	struct inode *inode = file_inode(file);
+	struct f2fs_inode_info *fi = F2FS_I(inode);
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+	const bool do_opu = f2fs_lfs_mode(sbi);
+	const int whint_mode = F2FS_OPTION(sbi).whint_mode;
+	const loff_t pos = iocb->ki_pos;
+	const ssize_t count = iov_iter_count(from);
+	const enum rw_hint hint = iocb->ki_hint;
+	unsigned int dio_flags;
+	struct iomap_dio *dio;
+	ssize_t ret;
+
+	trace_f2fs_direct_IO_enter(inode, iocb, count, WRITE);
+	if (trace_android_fs_datawrite_start_enabled()) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_datawrite_start(inode, pos, count,
+						 current->pid, path,
+						 current->comm);
+	}
+
+	if (iocb->ki_flags & IOCB_NOWAIT) {
+		/* f2fs_convert_inline_inode() and block allocation can block */
+		if (f2fs_has_inline_data(inode) ||
+		    !f2fs_overwrite_io(inode, pos, count)) {
+			ret = -EAGAIN;
+			goto out;
+		}
+
+		if (!f2fs_down_read_trylock(&fi->i_gc_rwsem[WRITE])) {
+			ret = -EAGAIN;
+			goto out;
+		}
+		if (do_opu && !f2fs_down_read_trylock(&fi->i_gc_rwsem[READ])) {
+			f2fs_up_read(&fi->i_gc_rwsem[WRITE]);
+			ret = -EAGAIN;
+			goto out;
+		}
+	} else {
+		ret = f2fs_convert_inline_inode(inode);
+		if (ret)
+			goto out;
+
+		f2fs_down_read(&fi->i_gc_rwsem[WRITE]);
+		if (do_opu)
+			f2fs_down_read(&fi->i_gc_rwsem[READ]);
+	}
+	if (whint_mode == WHINT_MODE_OFF)
+		iocb->ki_hint = WRITE_LIFE_NOT_SET;
+
+	/*
+	 * We have to use __iomap_dio_rw() and iomap_dio_complete() instead of
+	 * the higher-level function iomap_dio_rw() in order to ensure that the
+	 * F2FS_DIO_WRITE counter will be decremented correctly in all cases.
+	 */
+	inc_page_count(sbi, F2FS_DIO_WRITE);
+	dio_flags = 0;
+	if (pos + count > inode->i_size)
+		dio_flags = 1;	/* IOMAP_DIO_FORCE_WAIT */
+	dio = __iomap_dio_rw(iocb, from, &f2fs_iomap_ops,
+			     &f2fs_iomap_dio_write_ops,
+			     dio_flags || is_sync_kiocb(iocb));
+	if (IS_ERR_OR_NULL(dio)) {
+		ret = PTR_ERR_OR_ZERO(dio);
+		if (ret == -ENOTBLK)
+			ret = 0;
+		if (ret != -EIOCBQUEUED)
+			dec_page_count(sbi, F2FS_DIO_WRITE);
+	} else {
+		ret = iomap_dio_complete(dio);
+	}
+
+	if (whint_mode == WHINT_MODE_OFF)
+		iocb->ki_hint = hint;
+	if (do_opu)
+		f2fs_up_read(&fi->i_gc_rwsem[READ]);
+	f2fs_up_read(&fi->i_gc_rwsem[WRITE]);
+
+	if (ret < 0)
+		goto out;
+	if (pos + ret > inode->i_size)
+		f2fs_i_size_write(inode, pos + ret);
+	if (!do_opu)
+		set_inode_flag(inode, FI_UPDATE_WRITE);
+
+	if (iov_iter_count(from)) {
+		ssize_t ret2;
+		loff_t bufio_start_pos = iocb->ki_pos;
+
+		/*
+		 * The direct write was partial, so we need to fall back to a
+		 * buffered write for the remainder.
+		 */
+
+		ret2 = f2fs_buffered_write_iter(iocb, from);
+		if (iov_iter_count(from))
+			f2fs_write_failed(inode, iocb->ki_pos);
+		if (ret2 < 0)
+			goto out;
+
+		/*
+		 * Ensure that the pagecache pages are written to disk and
+		 * invalidated to preserve the expected O_DIRECT semantics.
+		 */
+		if (ret2 > 0) {
+			loff_t bufio_end_pos = bufio_start_pos + ret2 - 1;
+
+			ret += ret2;
+
+			ret2 = filemap_write_and_wait_range(file->f_mapping,
+							    bufio_start_pos,
+							    bufio_end_pos);
+			if (ret2 < 0)
+				goto out;
+			invalidate_mapping_pages(file->f_mapping,
+						 bufio_start_pos >> PAGE_SHIFT,
+						 bufio_end_pos >> PAGE_SHIFT);
+		}
+	} else {
+		/* iomap_dio_rw() already handled the generic_write_sync(). */
+		*may_need_sync = false;
+	}
+out:
+	if (trace_android_fs_datawrite_start_enabled())
+		trace_android_fs_datawrite_end(inode, pos, count);
+	trace_f2fs_direct_IO_exit(inode, pos, count, WRITE, ret);
 	return ret;
 }
 
 static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 {
-	struct file *file = iocb->ki_filp;
-	struct inode *inode = file_inode(file);
+	struct inode *inode = file_inode(iocb->ki_filp);
+	const loff_t orig_pos = iocb->ki_pos;
+	const size_t orig_count = iov_iter_count(from);
+	loff_t target_size;
+	bool dio;
+	bool may_need_sync = true;
+	int preallocated;
 	ssize_t ret;
 
 	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode)))) {
@@ -4116,85 +4796,80 @@
 		inode_lock(inode);
 	}
 
-	if (unlikely(IS_IMMUTABLE(inode))) {
-		ret = -EPERM;
-		goto unlock;
+	ret = f2fs_write_checks(iocb, from);
+	if (ret <= 0)
+		goto out_unlock;
+
+	/* Determine whether we will do a direct write or a buffered write. */
+	dio = f2fs_should_use_dio(inode, iocb, from);
+
+	/* Possibly preallocate the blocks for the write. */
+	target_size = iocb->ki_pos + iov_iter_count(from);
+	preallocated = f2fs_preallocate_blocks(iocb, from, dio);
+	if (preallocated < 0)
+		ret = preallocated;
+	else
+		/* Do the actual write. */
+		ret = dio ?
+			f2fs_dio_write_iter(iocb, from, &may_need_sync):
+			f2fs_buffered_write_iter(iocb, from);
+
+	/* Don't leave any preallocated blocks around past i_size. */
+	if (preallocated && i_size_read(inode) < target_size) {
+		f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+		f2fs_down_write(&F2FS_I(inode)->i_mmap_sem);
+		if (!f2fs_truncate(inode))
+			file_dont_truncate(inode);
+		f2fs_up_write(&F2FS_I(inode)->i_mmap_sem);
+		f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	} else {
+		file_dont_truncate(inode);
 	}
 
-	ret = generic_write_checks(iocb, from);
-	if (ret > 0) {
-		bool preallocated = false;
-		size_t target_size = 0;
-		int err;
-
-		if (iov_iter_fault_in_readable(from, iov_iter_count(from)))
-			set_inode_flag(inode, FI_NO_PREALLOC);
-
-		if ((iocb->ki_flags & IOCB_NOWAIT)) {
-			if (!f2fs_overwrite_io(inode, iocb->ki_pos,
-						iov_iter_count(from)) ||
-				f2fs_has_inline_data(inode) ||
-				f2fs_force_buffered_io(inode, iocb, from)) {
-				clear_inode_flag(inode, FI_NO_PREALLOC);
-				inode_unlock(inode);
-				ret = -EAGAIN;
-				goto out;
-			}
-			goto write;
-		}
-
-		if (is_inode_flag_set(inode, FI_NO_PREALLOC))
-			goto write;
-
-		if (iocb->ki_flags & IOCB_DIRECT) {
-			/*
-			 * Convert inline data for Direct I/O before entering
-			 * f2fs_direct_IO().
-			 */
-			err = f2fs_convert_inline_inode(inode);
-			if (err)
-				goto out_err;
-			/*
-			 * If force_buffere_io() is true, we have to allocate
-			 * blocks all the time, since f2fs_direct_IO will fall
-			 * back to buffered IO.
-			 */
-			if (!f2fs_force_buffered_io(inode, iocb, from) &&
-					allow_outplace_dio(inode, iocb, from))
-				goto write;
-		}
-		preallocated = true;
-		target_size = iocb->ki_pos + iov_iter_count(from);
-
-		err = f2fs_preallocate_blocks(iocb, from);
-		if (err) {
-out_err:
-			clear_inode_flag(inode, FI_NO_PREALLOC);
-			inode_unlock(inode);
-			ret = err;
-			goto out;
-		}
-write:
-		ret = __generic_file_write_iter(iocb, from);
-		clear_inode_flag(inode, FI_NO_PREALLOC);
-
-		/* if we couldn't write data, we should deallocate blocks. */
-		if (preallocated && i_size_read(inode) < target_size)
-			f2fs_truncate(inode);
-
-		if (ret > 0)
-			f2fs_update_iostat(F2FS_I_SB(inode), APP_WRITE_IO, ret);
-	}
-unlock:
+	clear_inode_flag(inode, FI_PREALLOCATED_ALL);
+out_unlock:
 	inode_unlock(inode);
 out:
-	trace_f2fs_file_write_iter(inode, iocb->ki_pos,
-					iov_iter_count(from), ret);
-	if (ret > 0)
+	trace_f2fs_file_write_iter(inode, orig_pos, orig_count, ret);
+	if (ret > 0 && may_need_sync)
 		ret = generic_write_sync(iocb, ret);
 	return ret;
 }
 
+static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len,
+		int advice)
+{
+	struct address_space *mapping;
+	struct backing_dev_info *bdi;
+	struct inode *inode = file_inode(filp);
+	int err;
+
+	if (advice == POSIX_FADV_SEQUENTIAL) {
+		if (S_ISFIFO(inode->i_mode))
+			return -ESPIPE;
+
+		mapping = filp->f_mapping;
+		if (!mapping || len < 0)
+			return -EINVAL;
+
+		bdi = inode_to_bdi(mapping->host);
+		filp->f_ra.ra_pages = bdi->ra_pages *
+			F2FS_I_SB(inode)->seq_file_ra_mul;
+		spin_lock(&filp->f_lock);
+		filp->f_mode &= ~FMODE_RANDOM;
+		spin_unlock(&filp->f_lock);
+		return 0;
+	}
+
+	err = generic_fadvise(filp, offset, len, advice);
+	if (!err && advice == POSIX_FADV_DONTNEED &&
+		test_opt(F2FS_I_SB(inode), COMPRESS_CACHE) &&
+		f2fs_compressed_file(inode))
+		f2fs_invalidate_compress_pages(F2FS_I_SB(inode), inode->i_ino);
+
+	return err;
+}
+
 #ifdef CONFIG_COMPAT
 struct compat_f2fs_gc_range {
 	u32 sync;
@@ -4296,12 +4971,17 @@
 	case F2FS_IOC_RESIZE_FS:
 	case FS_IOC_ENABLE_VERITY:
 	case FS_IOC_MEASURE_VERITY:
+	case FS_IOC_READ_VERITY_METADATA:
 	case FS_IOC_GETFSLABEL:
 	case FS_IOC_SETFSLABEL:
 	case F2FS_IOC_GET_COMPRESS_BLOCKS:
 	case F2FS_IOC_RELEASE_COMPRESS_BLOCKS:
 	case F2FS_IOC_RESERVE_COMPRESS_BLOCKS:
 	case F2FS_IOC_SEC_TRIM_FILE:
+	case F2FS_IOC_GET_COMPRESS_OPTION:
+	case F2FS_IOC_SET_COMPRESS_OPTION:
+	case F2FS_IOC_DECOMPRESS_FILE:
+	case F2FS_IOC_COMPRESS_FILE:
 		break;
 	default:
 		return -ENOIOCTLCMD;
@@ -4326,4 +5006,5 @@
 #endif
 	.splice_read	= generic_file_splice_read,
 	.splice_write	= iter_file_splice_write,
+	.fadvise	= f2fs_file_fadvise,
 };
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index dfa99cd..bf7c6f4 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -15,11 +15,13 @@
 #include <linux/delay.h>
 #include <linux/freezer.h>
 #include <linux/sched/signal.h>
+#include <linux/random.h>
 
 #include "f2fs.h"
 #include "node.h"
 #include "segment.h"
 #include "gc.h"
+#include "iostat.h"
 #include <trace/events/f2fs.h>
 
 static struct kmem_cache *victim_entry_slab;
@@ -32,19 +34,24 @@
 	struct f2fs_sb_info *sbi = data;
 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;
 	wait_queue_head_t *wq = &sbi->gc_thread->gc_wait_queue_head;
+	wait_queue_head_t *fggc_wq = &sbi->gc_thread->fggc_wq;
 	unsigned int wait_ms;
 
 	wait_ms = gc_th->min_sleep_time;
 
 	set_freezable();
 	do {
-		bool sync_mode;
+		bool sync_mode, foreground = false;
 
 		wait_event_interruptible_timeout(*wq,
 				kthread_should_stop() || freezing(current) ||
+				waitqueue_active(fggc_wq) ||
 				gc_th->gc_wake,
 				msecs_to_jiffies(wait_ms));
 
+		if (test_opt(sbi, GC_MERGE) && waitqueue_active(fggc_wq))
+			foreground = true;
+
 		/* give it a try one time */
 		if (gc_th->gc_wake)
 			gc_th->gc_wake = 0;
@@ -64,7 +71,8 @@
 
 		if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
 			f2fs_show_injection_info(sbi, FAULT_CHECKPOINT);
-			f2fs_stop_checkpoint(sbi, false);
+			f2fs_stop_checkpoint(sbi, false,
+					STOP_CP_REASON_FAULT_INJECT);
 		}
 
 		if (!sb_start_write_trylock(sbi->sb)) {
@@ -85,20 +93,24 @@
 		 * invalidated soon after by user update or deletion.
 		 * So, I'd like to wait some time to collect dirty segments.
 		 */
-		if (sbi->gc_mode == GC_URGENT_HIGH) {
+		if (sbi->gc_mode == GC_URGENT_HIGH ||
+				sbi->gc_mode == GC_URGENT_MID) {
 			wait_ms = gc_th->urgent_sleep_time;
-			down_write(&sbi->gc_lock);
+			f2fs_down_write(&sbi->gc_lock);
 			goto do_gc;
 		}
 
-		if (!down_write_trylock(&sbi->gc_lock)) {
+		if (foreground) {
+			f2fs_down_write(&sbi->gc_lock);
+			goto do_gc;
+		} else if (!f2fs_down_write_trylock(&sbi->gc_lock)) {
 			stat_other_skip_bggc_count(sbi);
 			goto next;
 		}
 
 		if (!is_idle(sbi, GC_TIME)) {
 			increase_sleep_time(gc_th, &wait_ms);
-			up_write(&sbi->gc_lock);
+			f2fs_up_write(&sbi->gc_lock);
 			stat_io_skip_bggc_count(sbi);
 			goto next;
 		}
@@ -108,20 +120,37 @@
 		else
 			increase_sleep_time(gc_th, &wait_ms);
 do_gc:
-		stat_inc_bggc_count(sbi->stat_info);
+		if (!foreground)
+			stat_inc_bggc_count(sbi->stat_info);
 
 		sync_mode = F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC;
 
+		/* foreground GC was been triggered via f2fs_balance_fs() */
+		if (foreground)
+			sync_mode = false;
+
 		/* if return value is not zero, no victim was selected */
-		if (f2fs_gc(sbi, sync_mode, true, false, NULL_SEGNO))
+		if (f2fs_gc(sbi, sync_mode, !foreground, false, NULL_SEGNO))
 			wait_ms = gc_th->no_gc_sleep_time;
 
+		if (foreground)
+			wake_up_all(&gc_th->fggc_wq);
+
 		trace_f2fs_background_gc(sbi->sb, wait_ms,
 				prefree_segments(sbi), free_segments(sbi));
 
 		/* balancing f2fs's metadata periodically */
 		f2fs_balance_fs_bg(sbi, true);
 next:
+		if (sbi->gc_mode == GC_URGENT_HIGH) {
+			spin_lock(&sbi->gc_urgent_high_lock);
+			if (sbi->gc_urgent_high_remaining) {
+				sbi->gc_urgent_high_remaining--;
+				if (!sbi->gc_urgent_high_remaining)
+					sbi->gc_mode = GC_NORMAL;
+			}
+			spin_unlock(&sbi->gc_urgent_high_lock);
+		}
 		sb_end_write(sbi->sb);
 
 	} while (!kthread_should_stop());
@@ -145,10 +174,11 @@
 	gc_th->max_sleep_time = DEF_GC_THREAD_MAX_SLEEP_TIME;
 	gc_th->no_gc_sleep_time = DEF_GC_THREAD_NOGC_SLEEP_TIME;
 
-	gc_th->gc_wake= 0;
+	gc_th->gc_wake = 0;
 
 	sbi->gc_thread = gc_th;
 	init_waitqueue_head(&sbi->gc_thread->gc_wait_queue_head);
+	init_waitqueue_head(&sbi->gc_thread->fggc_wq);
 	sbi->gc_thread->f2fs_gc_task = kthread_run(gc_thread_func, sbi,
 			"f2fs_gc-%u:%u", MAJOR(dev), MINOR(dev));
 	if (IS_ERR(gc_th->f2fs_gc_task)) {
@@ -163,9 +193,11 @@
 void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_gc_kthread *gc_th = sbi->gc_thread;
+
 	if (!gc_th)
 		return;
 	kthread_stop(gc_th->f2fs_gc_task);
+	wake_up_all(&gc_th->fggc_wq);
 	kfree(gc_th);
 	sbi->gc_thread = NULL;
 }
@@ -238,7 +270,9 @@
 		p->max_search = sbi->max_victim_search;
 
 	/* let's select beginning hot/small space first in no_heap mode*/
-	if (test_opt(sbi, NOHEAP) &&
+	if (f2fs_need_rand_seg(sbi))
+		p->offset = prandom_u32() % (MAIN_SECS(sbi) * sbi->segs_per_sec);
+	else if (test_opt(sbi, NOHEAP) &&
 		(type == CURSEG_HOT_DATA || IS_NODESEG(type)))
 		p->offset = 0;
 	else
@@ -353,7 +387,8 @@
 	struct atgc_management *am = &sbi->am;
 	struct victim_entry *ve;
 
-	ve =  f2fs_kmem_cache_alloc(victim_entry_slab, GFP_NOFS);
+	ve =  f2fs_kmem_cache_alloc(victim_entry_slab,
+				GFP_NOFS, true, NULL);
 
 	ve->mtime = mtime;
 	ve->segno = segno;
@@ -608,6 +643,54 @@
 	f2fs_bug_on(sbi, !list_empty(&am->victim_list));
 }
 
+static bool f2fs_pin_section(struct f2fs_sb_info *sbi, unsigned int segno)
+{
+	struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
+	unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+
+	if (!dirty_i->enable_pin_section)
+		return false;
+	if (!test_and_set_bit(secno, dirty_i->pinned_secmap))
+		dirty_i->pinned_secmap_cnt++;
+	return true;
+}
+
+static bool f2fs_pinned_section_exists(struct dirty_seglist_info *dirty_i)
+{
+	return dirty_i->pinned_secmap_cnt;
+}
+
+static bool f2fs_section_is_pinned(struct dirty_seglist_info *dirty_i,
+						unsigned int secno)
+{
+	return dirty_i->enable_pin_section &&
+		f2fs_pinned_section_exists(dirty_i) &&
+		test_bit(secno, dirty_i->pinned_secmap);
+}
+
+static void f2fs_unpin_all_sections(struct f2fs_sb_info *sbi, bool enable)
+{
+	unsigned int bitmap_size = f2fs_bitmap_size(MAIN_SECS(sbi));
+
+	if (f2fs_pinned_section_exists(DIRTY_I(sbi))) {
+		memset(DIRTY_I(sbi)->pinned_secmap, 0, bitmap_size);
+		DIRTY_I(sbi)->pinned_secmap_cnt = 0;
+	}
+	DIRTY_I(sbi)->enable_pin_section = enable;
+}
+
+static int f2fs_gc_pinned_control(struct inode *inode, int gc_type,
+							unsigned int segno)
+{
+	if (!f2fs_is_pinned_file(inode))
+		return 0;
+	if (gc_type != FG_GC)
+		return -EBUSY;
+	if (!f2fs_pin_section(F2FS_I_SB(inode), segno))
+		f2fs_pin_file_control(inode, true);
+	return -EAGAIN;
+}
+
 /*
  * This function is called from two paths.
  * One is garbage collection and the other is SSR segment selection.
@@ -749,6 +832,9 @@
 		if (gc_type == BG_GC && test_bit(secno, dirty_i->victim_secmap))
 			goto next;
 
+		if (gc_type == FG_GC && f2fs_section_is_pinned(dirty_i, secno))
+			goto next;
+
 		if (is_atgc) {
 			add_victim_entry(sbi, &p, segno);
 			goto next;
@@ -831,7 +917,8 @@
 		iput(inode);
 		return;
 	}
-	new_ie = f2fs_kmem_cache_alloc(f2fs_inode_entry_slab, GFP_NOFS);
+	new_ie = f2fs_kmem_cache_alloc(f2fs_inode_entry_slab,
+					GFP_NOFS, true, NULL);
 	new_ie->inode = inode;
 
 	f2fs_radix_tree_insert(&gc_list->iroot, inode->i_ino, new_ie);
@@ -841,6 +928,7 @@
 static void put_gc_inode(struct gc_inode_list *gc_list)
 {
 	struct inode_entry *ie, *next_ie;
+
 	list_for_each_entry_safe(ie, next_ie, &gc_list->ilist, list) {
 		radix_tree_delete(&gc_list->iroot, ie->inode->i_ino);
 		iput(ie->inode);
@@ -922,7 +1010,7 @@
 			continue;
 		}
 
-		if (f2fs_get_node_info(sbi, nid, &ni)) {
+		if (f2fs_get_node_info(sbi, nid, &ni, false)) {
 			f2fs_put_page(node_page, 1);
 			continue;
 		}
@@ -965,9 +1053,11 @@
 		bidx = node_ofs - 1;
 	} else if (node_ofs <= indirect_blks) {
 		int dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
+
 		bidx = node_ofs - 2 - dec;
 	} else {
 		int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
+
 		bidx = node_ofs - 5 - dec;
 	}
 	return bidx * ADDRS_PER_BLOCK(inode) + ADDRS_PER_INODE(inode);
@@ -988,7 +1078,7 @@
 	if (IS_ERR(node_page))
 		return false;
 
-	if (f2fs_get_node_info(sbi, nid, dni)) {
+	if (f2fs_get_node_info(sbi, nid, dni, false)) {
 		f2fs_put_page(node_page, 1);
 		return false;
 	}
@@ -1030,9 +1120,9 @@
 
 		if (unlikely(check_valid_map(sbi, segno, offset))) {
 			if (!test_and_set_bit(segno, SIT_I(sbi)->invalid_segmap)) {
-				f2fs_err(sbi, "mismatched blkaddr %u (source_blkaddr %u) in seg %u\n",
-						blkaddr, source_blkaddr, segno);
-				f2fs_bug_on(sbi, 1);
+				f2fs_err(sbi, "mismatched blkaddr %u (source_blkaddr %u) in seg %u",
+					 blkaddr, source_blkaddr, segno);
+				set_sbi_flag(sbi, SBI_NEED_FSCK);
 			}
 		}
 #endif
@@ -1153,7 +1243,8 @@
 	block_t newaddr;
 	int err = 0;
 	bool lfs_mode = f2fs_lfs_mode(fio.sbi);
-	int type = fio.sbi->am.atgc_enabled ?
+	int type = fio.sbi->am.atgc_enabled && (gc_type == BG_GC) &&
+				(fio.sbi->gc_mode != GC_URGENT_HIGH) ?
 				CURSEG_ALL_DATA_ATGC : CURSEG_COLD_DATA;
 
 	/* do not read out */
@@ -1173,12 +1264,9 @@
 		goto out;
 	}
 
-	if (f2fs_is_pinned_file(inode)) {
-		if (gc_type == FG_GC)
-			f2fs_pin_file_control(inode, true);
-		err = -EAGAIN;
+	err = f2fs_gc_pinned_control(inode, gc_type, segno);
+	if (err)
 		goto out;
-	}
 
 	set_new_dnode(&dn, inode, NULL, NULL, 0);
 	err = f2fs_get_dnode_of_data(&dn, bidx, LOOKUP_NODE);
@@ -1199,18 +1287,16 @@
 
 	f2fs_wait_on_block_writeback(inode, dn.data_blkaddr);
 
-	err = f2fs_get_node_info(fio.sbi, dn.nid, &ni);
+	err = f2fs_get_node_info(fio.sbi, dn.nid, &ni, false);
 	if (err)
 		goto put_out;
 
-	set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version);
-
 	/* read page */
 	fio.page = page;
 	fio.new_blkaddr = fio.old_blkaddr = dn.data_blkaddr;
 
 	if (lfs_mode)
-		down_write(&fio.sbi->io_order_lock);
+		f2fs_down_write(&fio.sbi->io_order_lock);
 
 	mpage = f2fs_grab_cache_page(META_MAPPING(fio.sbi),
 					fio.old_blkaddr, false);
@@ -1241,6 +1327,9 @@
 		}
 	}
 
+	set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version);
+
+	/* allocate block address */
 	f2fs_allocate_data_block(fio.sbi, NULL, fio.old_blkaddr, &newaddr,
 				&sum, type, NULL);
 
@@ -1259,6 +1348,7 @@
 	f2fs_put_page(mpage, 1);
 	invalidate_mapping_pages(META_MAPPING(fio.sbi),
 				fio.old_blkaddr, fio.old_blkaddr);
+	f2fs_invalidate_compress_page(fio.sbi, fio.old_blkaddr);
 
 	set_page_dirty(fio.encrypted_page);
 	if (clear_page_dirty_for_io(fio.encrypted_page))
@@ -1267,9 +1357,6 @@
 	set_page_writeback(fio.encrypted_page);
 	ClearPageError(page);
 
-	/* allocate block address */
-	f2fs_wait_on_page_writeback(dn.node_page, NODE, true, true);
-
 	fio.op = REQ_OP_WRITE;
 	fio.op_flags = REQ_SYNC;
 	fio.new_blkaddr = newaddr;
@@ -1295,7 +1382,7 @@
 							true, true, true);
 up_out:
 	if (lfs_mode)
-		up_write(&fio.sbi->io_order_lock);
+		f2fs_up_write(&fio.sbi->io_order_lock);
 put_out:
 	f2fs_put_dnode(&dn);
 out:
@@ -1324,12 +1411,9 @@
 		err = -EAGAIN;
 		goto out;
 	}
-	if (f2fs_is_pinned_file(inode)) {
-		if (gc_type == FG_GC)
-			f2fs_pin_file_control(inode, true);
-		err = -EAGAIN;
+	err = f2fs_gc_pinned_control(inode, gc_type, segno);
+	if (err)
 		goto out;
-	}
 
 	if (gc_type == BG_GC) {
 		if (PageWriteback(page)) {
@@ -1337,7 +1421,7 @@
 			goto out;
 		}
 		set_page_dirty(page);
-		set_cold_data(page);
+		set_page_private_gcing(page);
 	} else {
 		struct f2fs_io_info fio = {
 			.sbi = F2FS_I_SB(inode),
@@ -1363,11 +1447,11 @@
 			f2fs_remove_dirty_inode(inode);
 		}
 
-		set_cold_data(page);
+		set_page_private_gcing(page);
 
 		err = f2fs_do_write_data_page(&fio);
 		if (err) {
-			clear_cold_data(page);
+			clear_page_private_gcing(page);
 			if (err == -ENOMEM) {
 				congestion_wait(BLK_RW_ASYNC,
 						DEFAULT_IO_TIMEOUT);
@@ -1450,14 +1534,20 @@
 		ofs_in_node = le16_to_cpu(entry->ofs_in_node);
 
 		if (phase == 3) {
+			int err;
+
 			inode = f2fs_iget(sb, dni.ino);
 			if (IS_ERR(inode) || is_bad_inode(inode) ||
-					special_file(inode->i_mode)) {
-				set_sbi_flag(sbi, SBI_NEED_FSCK);
+					special_file(inode->i_mode))
 				continue;
+
+			err = f2fs_gc_pinned_control(inode, gc_type, segno);
+			if (err == -EAGAIN) {
+				iput(inode);
+				return submitted;
 			}
 
-			if (!down_write_trylock(
+			if (!f2fs_down_write_trylock(
 				&F2FS_I(inode)->i_gc_rwsem[WRITE])) {
 				iput(inode);
 				sbi->skipped_gc_rwsem++;
@@ -1470,7 +1560,7 @@
 			if (f2fs_post_read_required(inode)) {
 				int err = ra_data_block(inode, start_bidx);
 
-				up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+				f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 				if (err) {
 					iput(inode);
 					continue;
@@ -1481,7 +1571,7 @@
 
 			data_page = f2fs_get_read_data_page(inode,
 						start_bidx, REQ_RAHEAD, true);
-			up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+			f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 			if (IS_ERR(data_page)) {
 				iput(inode);
 				continue;
@@ -1500,14 +1590,14 @@
 			int err;
 
 			if (S_ISREG(inode->i_mode)) {
-				if (!down_write_trylock(&fi->i_gc_rwsem[READ])) {
+				if (!f2fs_down_write_trylock(&fi->i_gc_rwsem[READ])) {
 					sbi->skipped_gc_rwsem++;
 					continue;
 				}
-				if (!down_write_trylock(
+				if (!f2fs_down_write_trylock(
 						&fi->i_gc_rwsem[WRITE])) {
 					sbi->skipped_gc_rwsem++;
-					up_write(&fi->i_gc_rwsem[READ]);
+					f2fs_up_write(&fi->i_gc_rwsem[READ]);
 					continue;
 				}
 				locked = true;
@@ -1530,8 +1620,8 @@
 				submitted++;
 
 			if (locked) {
-				up_write(&fi->i_gc_rwsem[WRITE]);
-				up_write(&fi->i_gc_rwsem[READ]);
+				f2fs_up_write(&fi->i_gc_rwsem[WRITE]);
+				f2fs_up_write(&fi->i_gc_rwsem[READ]);
 			}
 
 			stat_inc_data_blk_count(sbi, 1, gc_type);
@@ -1631,7 +1721,8 @@
 			f2fs_err(sbi, "Inconsistent segment (%u) type [%d, %d] in SSA and SIT",
 				 segno, type, GET_SUM_TYPE((&sum->footer)));
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
-			f2fs_stop_checkpoint(sbi, false);
+			f2fs_stop_checkpoint(sbi, false,
+				STOP_CP_REASON_CORRUPTED_SUMMARY);
 			goto skip;
 		}
 
@@ -1651,6 +1742,7 @@
 							force_migrate);
 
 		stat_inc_seg_count(sbi, type, gc_type);
+		sbi->gc_reclaimed_segs[sbi->gc_mode]++;
 		migrated++;
 
 freed:
@@ -1735,9 +1827,17 @@
 		ret = -EINVAL;
 		goto stop;
 	}
+retry:
 	ret = __get_victim(sbi, &segno, gc_type);
-	if (ret)
+	if (ret) {
+		/* allow to search victim from sections has pinned data */
+		if (ret == -ENODATA && gc_type == FG_GC &&
+				f2fs_pinned_section_exists(DIRTY_I(sbi))) {
+			f2fs_unpin_all_sections(sbi, false);
+			goto retry;
+		}
 		goto stop;
+	}
 
 	seg_freed = do_garbage_collect(sbi, segno, &gc_list, gc_type, force);
 	if (gc_type == FG_GC &&
@@ -1753,7 +1853,7 @@
 		round++;
 	}
 
-	if (gc_type == FG_GC && seg_freed)
+	if (gc_type == FG_GC)
 		sbi->cur_victim_sec = NULL_SEGNO;
 
 	if (sync)
@@ -1788,6 +1888,9 @@
 	SIT_I(sbi)->last_victim[ALLOC_NEXT] = 0;
 	SIT_I(sbi)->last_victim[FLUSH_DEVICE] = init_segno;
 
+	if (gc_type == FG_GC)
+		f2fs_unpin_all_sections(sbi, true);
+
 	trace_f2fs_gc_end(sbi->sb, ret, total_freed, sec_freed,
 				get_pages(sbi, F2FS_DIRTY_NODES),
 				get_pages(sbi, F2FS_DIRTY_DENTS),
@@ -1797,7 +1900,7 @@
 				reserved_segments(sbi),
 				prefree_segments(sbi));
 
-	up_write(&sbi->gc_lock);
+	f2fs_up_write(&sbi->gc_lock);
 
 	put_gc_inode(&gc_list);
 
@@ -1926,7 +2029,7 @@
 	long long block_count;
 	int segs = secs * sbi->segs_per_sec;
 
-	down_write(&sbi->sb_lock);
+	f2fs_down_write(&sbi->sb_lock);
 
 	section_count = le32_to_cpu(raw_sb->section_count);
 	segment_count = le32_to_cpu(raw_sb->segment_count);
@@ -1947,7 +2050,7 @@
 						cpu_to_le32(dev_segs + segs);
 	}
 
-	up_write(&sbi->sb_lock);
+	f2fs_up_write(&sbi->sb_lock);
 }
 
 static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
@@ -2026,7 +2129,7 @@
 	secs = div_u64(shrunk_blocks, BLKS_PER_SEC(sbi));
 
 	/* stop other GC */
-	if (!down_write_trylock(&sbi->gc_lock)) {
+	if (!f2fs_down_write_trylock(&sbi->gc_lock)) {
 		err = -EAGAIN;
 		goto out_drop_write;
 	}
@@ -2048,7 +2151,7 @@
 
 out_unlock:
 	f2fs_unlock_op(sbi);
-	up_write(&sbi->gc_lock);
+	f2fs_up_write(&sbi->gc_lock);
 out_drop_write:
 	mnt_drop_write_file(filp);
 	if (err)
@@ -2061,8 +2164,8 @@
 		return -EROFS;
 	}
 
-	down_write(&sbi->gc_lock);
-	mutex_lock(&sbi->cp_mutex);
+	f2fs_down_write(&sbi->gc_lock);
+	f2fs_down_write(&sbi->cp_global_sem);
 
 	spin_lock(&sbi->stat_lock);
 	if (shrunk_blocks + valid_user_blocks(sbi) +
@@ -2109,8 +2212,8 @@
 		spin_unlock(&sbi->stat_lock);
 	}
 out_err:
-	mutex_unlock(&sbi->cp_mutex);
-	up_write(&sbi->gc_lock);
+	f2fs_up_write(&sbi->cp_global_sem);
+	f2fs_up_write(&sbi->gc_lock);
 	thaw_super(sbi->sb);
 	return err;
 }
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 0c8dae1..3fe145e 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -42,6 +42,12 @@
 
 	/* for changing gc mode */
 	unsigned int gc_wake;
+
+	/* for GC_MERGE mount option */
+	wait_queue_head_t fggc_wq;		/*
+						 * caller of f2fs_balance_fs()
+						 * will wait on this wait queue.
+						 */
 };
 
 struct gc_inode_list {
diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index de841aa..2788cee 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -91,7 +91,7 @@
 /*
  * Compute @fname->hash.  For all directories, @fname->disk_name must be set.
  * For casefolded directories, @fname->usr_fname must be set, and also
- * @fname->cf_name if the filename is valid Unicode.
+ * @fname->cf_name if the filename is valid Unicode and is not "." or "..".
  */
 void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname)
 {
@@ -110,8 +110,11 @@
 		/*
 		 * If the casefolded name is provided, hash it instead of the
 		 * on-disk name.  If the casefolded name is *not* provided, that
-		 * should only be because the name wasn't valid Unicode, so fall
-		 * back to treating the name as an opaque byte sequence.
+		 * should only be because the name wasn't valid Unicode or was
+		 * "." or "..", so fall back to treating the name as an opaque
+		 * byte sequence.  Note that to handle encrypted directories,
+		 * the fallback must use usr_fname (plaintext) rather than
+		 * disk_name (ciphertext).
 		 */
 		WARN_ON_ONCE(!fname->usr_fname->name);
 		if (fname->cf_name.name) {
@@ -121,6 +124,13 @@
 			name = fname->usr_fname->name;
 			len = fname->usr_fname->len;
 		}
+		if (IS_ENCRYPTED(dir)) {
+			struct qstr tmp = QSTR_INIT(name, len);
+
+			fname->hash =
+				cpu_to_le32(fscrypt_fname_siphash(dir, &tmp));
+			return;
+		}
 	}
 #endif
 	fname->hash = cpu_to_le32(TEA_hash_name(name, len));
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index df1a0cb..5bcd242 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -13,6 +13,7 @@
 #include "f2fs.h"
 #include "node.h"
 #include <trace/events/f2fs.h>
+#include <trace/events/android_fs.h>
 
 static bool support_inline_data(struct inode *inode)
 {
@@ -101,14 +102,29 @@
 {
 	struct page *ipage;
 
+	if (trace_android_fs_dataread_start_enabled()) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_dataread_start(inode, page_offset(page),
+						PAGE_SIZE, current->pid,
+						path, current->comm);
+	}
+
 	ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
 	if (IS_ERR(ipage)) {
+		trace_android_fs_dataread_end(inode, page_offset(page),
+					      PAGE_SIZE);
 		unlock_page(page);
 		return PTR_ERR(ipage);
 	}
 
 	if (!f2fs_has_inline_data(inode)) {
 		f2fs_put_page(ipage, 1);
+		trace_android_fs_dataread_end(inode, page_offset(page),
+					      PAGE_SIZE);
 		return -EAGAIN;
 	}
 
@@ -120,6 +136,8 @@
 	if (!PageUptodate(page))
 		SetPageUptodate(page);
 	f2fs_put_page(ipage, 1);
+	trace_android_fs_dataread_end(inode, page_offset(page),
+				      PAGE_SIZE);
 	unlock_page(page);
 	return 0;
 }
@@ -146,7 +164,7 @@
 	if (err)
 		return err;
 
-	err = f2fs_get_node_info(fio.sbi, dn->nid, &ni);
+	err = f2fs_get_node_info(fio.sbi, dn->nid, &ni, false);
 	if (err) {
 		f2fs_truncate_data_blocks_range(dn, 1);
 		f2fs_put_dnode(dn);
@@ -188,7 +206,7 @@
 
 	/* clear inline data and flag after data writeback */
 	f2fs_truncate_inline_inode(dn->inode, dn->inode_page, 0);
-	clear_inline_node(dn->inode_page);
+	clear_page_private_inline(dn->inode_page);
 clear_out:
 	stat_dec_inline_inode(dn->inode);
 	clear_inode_flag(dn->inode, FI_INLINE_DATA);
@@ -203,10 +221,11 @@
 	struct page *ipage, *page;
 	int err = 0;
 
-	if (!f2fs_has_inline_data(inode))
+	if (!f2fs_has_inline_data(inode) ||
+			f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb))
 		return 0;
 
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		return err;
 
@@ -266,7 +285,7 @@
 	set_inode_flag(inode, FI_APPEND_WRITE);
 	set_inode_flag(inode, FI_DATA_EXIST);
 
-	clear_inline_node(dn.inode_page);
+	clear_page_private_inline(dn.inode_page);
 	f2fs_put_dnode(&dn);
 	return 0;
 }
@@ -283,7 +302,7 @@
 	 * [prev.] [next] of inline_data flag
 	 *    o       o  -> recover inline_data
 	 *    o       x  -> remove inline_data, and then recover data blocks
-	 *    x       o  -> remove inline_data, and then recover inline_data
+	 *    x       o  -> remove data blocks, and then recover inline_data
 	 *    x       x  -> recover data blocks
 	 */
 	if (IS_INODE(npage))
@@ -315,6 +334,7 @@
 		if (IS_ERR(ipage))
 			return PTR_ERR(ipage);
 		f2fs_truncate_inline_inode(inode, ipage, 0);
+		stat_dec_inline_inode(inode);
 		clear_inode_flag(inode, FI_INLINE_DATA);
 		f2fs_put_page(ipage, 1);
 	} else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) {
@@ -323,6 +343,7 @@
 		ret = f2fs_truncate_blocks(inode, 0, false);
 		if (ret)
 			return ret;
+		stat_inc_inline_inode(inode);
 		goto process_inline;
 	}
 	return 0;
@@ -349,6 +370,10 @@
 	make_dentry_ptr_inline(dir, &d, inline_dentry);
 	de = f2fs_find_target_dentry(&d, fname, NULL);
 	unlock_page(ipage);
+	if (IS_ERR(de)) {
+		*res_page = ERR_CAST(de);
+		de = NULL;
+	}
 	if (de)
 		*res_page = ipage;
 	else
@@ -633,7 +658,7 @@
 	}
 
 	if (inode) {
-		down_write(&F2FS_I(inode)->i_sem);
+		f2fs_down_write(&F2FS_I(inode)->i_sem);
 		page = f2fs_init_inode_metadata(inode, dir, fname, ipage);
 		if (IS_ERR(page)) {
 			err = PTR_ERR(page);
@@ -662,7 +687,7 @@
 	f2fs_update_parent_metadata(dir, inode, 0);
 fail:
 	if (inode)
-		up_write(&F2FS_I(inode)->i_sem);
+		f2fs_up_write(&F2FS_I(inode)->i_sem);
 out:
 	f2fs_put_page(ipage, 1);
 	return err;
@@ -790,7 +815,7 @@
 		ilen = start + len;
 	ilen -= start;
 
-	err = f2fs_get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni);
+	err = f2fs_get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni, false);
 	if (err)
 		goto out;
 
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 8775255..e7e9058 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -18,6 +18,10 @@
 
 #include <trace/events/f2fs.h>
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+extern const struct address_space_operations f2fs_compress_aops;
+#endif
+
 void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
 {
 	if (is_inode_flag_set(inode, FI_NEW_INODE))
@@ -455,6 +459,7 @@
 					le64_to_cpu(ri->i_compr_blocks));
 			fi->i_compress_algorithm = ri->i_compress_algorithm;
 			fi->i_log_cluster_size = ri->i_log_cluster_size;
+			fi->i_compress_flag = le16_to_cpu(ri->i_compress_flag);
 			fi->i_cluster_size = 1 << fi->i_log_cluster_size;
 			set_inode_flag(inode, FI_COMPRESSED_FILE);
 		}
@@ -492,6 +497,11 @@
 	if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi))
 		goto make_now;
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (ino == F2FS_COMPRESS_INO(sbi))
+		goto make_now;
+#endif
+
 	ret = do_read_inode(inode);
 	if (ret)
 		goto bad_inode;
@@ -502,6 +512,17 @@
 	} else if (ino == F2FS_META_INO(sbi)) {
 		inode->i_mapping->a_ops = &f2fs_meta_aops;
 		mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
+	} else if (ino == F2FS_COMPRESS_INO(sbi)) {
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+		inode->i_mapping->a_ops = &f2fs_compress_aops;
+		/*
+		 * generic_error_remove_page only truncates pages of regular
+		 * inode
+		 */
+		inode->i_mode |= S_IFREG;
+#endif
+		mapping_set_gfp_mask(inode->i_mapping,
+			GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE);
 	} else if (S_ISREG(inode->i_mode)) {
 		inode->i_op = &f2fs_file_inode_operations;
 		inode->i_fop = &f2fs_file_operations;
@@ -527,6 +548,15 @@
 		goto bad_inode;
 	}
 	f2fs_set_inode_flags(inode);
+
+	if (file_should_truncate(inode) &&
+			!is_sbi_flag_set(sbi, SBI_POR_DOING)) {
+		ret = f2fs_truncate(inode);
+		if (ret)
+			goto bad_inode;
+		file_dont_truncate(inode);
+	}
+
 	unlock_new_inode(inode);
 	trace_f2fs_iget(inode);
 	return inode;
@@ -633,6 +663,8 @@
 					&F2FS_I(inode)->i_compr_blocks));
 			ri->i_compress_algorithm =
 				F2FS_I(inode)->i_compress_algorithm;
+			ri->i_compress_flag =
+				cpu_to_le16(F2FS_I(inode)->i_compress_flag);
 			ri->i_log_cluster_size =
 				F2FS_I(inode)->i_log_cluster_size;
 		}
@@ -642,7 +674,7 @@
 
 	/* deleted inode */
 	if (inode->i_nlink == 0)
-		clear_inline_node(node_page);
+		clear_page_private_inline(node_page);
 
 	F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
 	F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
@@ -658,16 +690,19 @@
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct page *node_page;
+	int count = 0;
 retry:
 	node_page = f2fs_get_node_page(sbi, inode->i_ino);
 	if (IS_ERR(node_page)) {
 		int err = PTR_ERR(node_page);
-		if (err == -ENOMEM) {
-			cond_resched();
+
+		/* The node block was truncated. */
+		if (err == -ENOENT)
+			return;
+
+		if (err == -ENOMEM || ++count <= DEFAULT_RETRY_IO_COUNT)
 			goto retry;
-		} else if (err != -ENOENT) {
-			f2fs_stop_checkpoint(sbi, false);
-		}
+		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_UPDATE_INODE);
 		return;
 	}
 	f2fs_update_inode(inode, node_page);
@@ -694,7 +729,7 @@
 
 	/*
 	 * We need to balance fs here to prevent from producing dirty node pages
-	 * during the urgent cleaning time when runing out of free sections.
+	 * during the urgent cleaning time when running out of free sections.
 	 */
 	f2fs_update_inode_page(inode);
 	if (wbc && wbc->nr_to_write)
@@ -718,8 +753,13 @@
 	trace_f2fs_evict_inode(inode);
 	truncate_inode_pages_final(&inode->i_data);
 
+	if ((inode->i_nlink || is_bad_inode(inode)) &&
+		test_opt(sbi, COMPRESS_CACHE) && f2fs_compressed_file(inode))
+		f2fs_invalidate_compress_pages(sbi, inode->i_ino);
+
 	if (inode->i_ino == F2FS_NODE_INO(sbi) ||
-			inode->i_ino == F2FS_META_INO(sbi))
+			inode->i_ino == F2FS_META_INO(sbi) ||
+			inode->i_ino == F2FS_COMPRESS_INO(sbi))
 		goto out_clear;
 
 	f2fs_bug_on(sbi, get_dirty_pages(inode));
@@ -730,7 +770,7 @@
 	if (inode->i_nlink || is_bad_inode(inode))
 		goto no_delete;
 
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err) {
 		err = 0;
 		set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
@@ -740,7 +780,8 @@
 	f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
 	f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
 
-	sb_start_intwrite(inode->i_sb);
+	if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING))
+		sb_start_intwrite(inode->i_sb);
 	set_inode_flag(inode, FI_NO_ALLOC);
 	i_size_write(inode, 0);
 retry:
@@ -785,7 +826,8 @@
 		if (dquot_initialize_needed(inode))
 			set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
 	}
-	sb_end_intwrite(inode->i_sb);
+	if (!is_sbi_flag_set(sbi, SBI_IS_FREEZING))
+		sb_end_intwrite(inode->i_sb);
 no_delete:
 	dquot_drop(inode);
 
@@ -858,7 +900,7 @@
 	 * so we can prevent losing this orphan when encoutering checkpoint
 	 * and following suddenly power-off.
 	 */
-	err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
+	err = f2fs_get_node_info(sbi, inode->i_ino, &ni, false);
 	if (err) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		set_inode_flag(inode, FI_FREE_NID);
diff --git a/fs/f2fs/iostat.c b/fs/f2fs/iostat.c
new file mode 100644
index 0000000..d84c5f6
--- /dev/null
+++ b/fs/f2fs/iostat.c
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * f2fs iostat support
+ *
+ * Copyright 2021 Google LLC
+ * Author: Daeho Jeong <daehojeong@google.com>
+ */
+
+#include <linux/fs.h>
+#include <linux/f2fs_fs.h>
+#include <linux/seq_file.h>
+
+#include "f2fs.h"
+#include "iostat.h"
+#include <trace/events/f2fs.h>
+
+#define NUM_PREALLOC_IOSTAT_CTXS	128
+static struct kmem_cache *bio_iostat_ctx_cache;
+static mempool_t *bio_iostat_ctx_pool;
+
+int __maybe_unused iostat_info_seq_show(struct seq_file *seq, void *offset)
+{
+	struct super_block *sb = seq->private;
+	struct f2fs_sb_info *sbi = F2FS_SB(sb);
+	time64_t now = ktime_get_real_seconds();
+
+	if (!sbi->iostat_enable)
+		return 0;
+
+	seq_printf(seq, "time:		%-16llu\n", now);
+
+	/* print app write IOs */
+	seq_puts(seq, "[WRITE]\n");
+	seq_printf(seq, "app buffered:	%-16llu\n",
+				sbi->rw_iostat[APP_BUFFERED_IO]);
+	seq_printf(seq, "app direct:	%-16llu\n",
+				sbi->rw_iostat[APP_DIRECT_IO]);
+	seq_printf(seq, "app mapped:	%-16llu\n",
+				sbi->rw_iostat[APP_MAPPED_IO]);
+
+	/* print fs write IOs */
+	seq_printf(seq, "fs data:	%-16llu\n",
+				sbi->rw_iostat[FS_DATA_IO]);
+	seq_printf(seq, "fs node:	%-16llu\n",
+				sbi->rw_iostat[FS_NODE_IO]);
+	seq_printf(seq, "fs meta:	%-16llu\n",
+				sbi->rw_iostat[FS_META_IO]);
+	seq_printf(seq, "fs gc data:	%-16llu\n",
+				sbi->rw_iostat[FS_GC_DATA_IO]);
+	seq_printf(seq, "fs gc node:	%-16llu\n",
+				sbi->rw_iostat[FS_GC_NODE_IO]);
+	seq_printf(seq, "fs cp data:	%-16llu\n",
+				sbi->rw_iostat[FS_CP_DATA_IO]);
+	seq_printf(seq, "fs cp node:	%-16llu\n",
+				sbi->rw_iostat[FS_CP_NODE_IO]);
+	seq_printf(seq, "fs cp meta:	%-16llu\n",
+				sbi->rw_iostat[FS_CP_META_IO]);
+
+	/* print app read IOs */
+	seq_puts(seq, "[READ]\n");
+	seq_printf(seq, "app buffered:	%-16llu\n",
+				sbi->rw_iostat[APP_BUFFERED_READ_IO]);
+	seq_printf(seq, "app direct:	%-16llu\n",
+				sbi->rw_iostat[APP_DIRECT_READ_IO]);
+	seq_printf(seq, "app mapped:	%-16llu\n",
+				sbi->rw_iostat[APP_MAPPED_READ_IO]);
+
+	/* print fs read IOs */
+	seq_printf(seq, "fs data:	%-16llu\n",
+				sbi->rw_iostat[FS_DATA_READ_IO]);
+	seq_printf(seq, "fs gc data:	%-16llu\n",
+				sbi->rw_iostat[FS_GDATA_READ_IO]);
+	seq_printf(seq, "fs compr_data:	%-16llu\n",
+				sbi->rw_iostat[FS_CDATA_READ_IO]);
+	seq_printf(seq, "fs node:	%-16llu\n",
+				sbi->rw_iostat[FS_NODE_READ_IO]);
+	seq_printf(seq, "fs meta:	%-16llu\n",
+				sbi->rw_iostat[FS_META_READ_IO]);
+
+	/* print other IOs */
+	seq_puts(seq, "[OTHER]\n");
+	seq_printf(seq, "fs discard:	%-16llu\n",
+				sbi->rw_iostat[FS_DISCARD]);
+
+	return 0;
+}
+
+static inline void __record_iostat_latency(struct f2fs_sb_info *sbi)
+{
+	int io, idx = 0;
+	unsigned int cnt;
+	struct f2fs_iostat_latency iostat_lat[MAX_IO_TYPE][NR_PAGE_TYPE];
+	struct iostat_lat_info *io_lat = sbi->iostat_io_lat;
+	unsigned long flags;
+
+	spin_lock_irqsave(&sbi->iostat_lat_lock, flags);
+	for (idx = 0; idx < MAX_IO_TYPE; idx++) {
+		for (io = 0; io < NR_PAGE_TYPE; io++) {
+			cnt = io_lat->bio_cnt[idx][io];
+			iostat_lat[idx][io].peak_lat =
+			   jiffies_to_msecs(io_lat->peak_lat[idx][io]);
+			iostat_lat[idx][io].cnt = cnt;
+			iostat_lat[idx][io].avg_lat = cnt ?
+			   jiffies_to_msecs(io_lat->sum_lat[idx][io]) / cnt : 0;
+			io_lat->sum_lat[idx][io] = 0;
+			io_lat->peak_lat[idx][io] = 0;
+			io_lat->bio_cnt[idx][io] = 0;
+		}
+	}
+	spin_unlock_irqrestore(&sbi->iostat_lat_lock, flags);
+
+	trace_f2fs_iostat_latency(sbi, iostat_lat);
+}
+
+static inline void f2fs_record_iostat(struct f2fs_sb_info *sbi)
+{
+	unsigned long long iostat_diff[NR_IO_TYPE];
+	int i;
+	unsigned long flags;
+
+	if (time_is_after_jiffies(sbi->iostat_next_period))
+		return;
+
+	/* Need double check under the lock */
+	spin_lock_irqsave(&sbi->iostat_lock, flags);
+	if (time_is_after_jiffies(sbi->iostat_next_period)) {
+		spin_unlock_irqrestore(&sbi->iostat_lock, flags);
+		return;
+	}
+	sbi->iostat_next_period = jiffies +
+				msecs_to_jiffies(sbi->iostat_period_ms);
+
+	for (i = 0; i < NR_IO_TYPE; i++) {
+		iostat_diff[i] = sbi->rw_iostat[i] -
+				sbi->prev_rw_iostat[i];
+		sbi->prev_rw_iostat[i] = sbi->rw_iostat[i];
+	}
+	spin_unlock_irqrestore(&sbi->iostat_lock, flags);
+
+	trace_f2fs_iostat(sbi, iostat_diff);
+
+	__record_iostat_latency(sbi);
+}
+
+void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
+{
+	struct iostat_lat_info *io_lat = sbi->iostat_io_lat;
+	int i;
+
+	spin_lock_irq(&sbi->iostat_lock);
+	for (i = 0; i < NR_IO_TYPE; i++) {
+		sbi->rw_iostat[i] = 0;
+		sbi->prev_rw_iostat[i] = 0;
+	}
+	spin_unlock_irq(&sbi->iostat_lock);
+
+	spin_lock_irq(&sbi->iostat_lat_lock);
+	memset(io_lat, 0, sizeof(struct iostat_lat_info));
+	spin_unlock_irq(&sbi->iostat_lat_lock);
+}
+
+void f2fs_update_iostat(struct f2fs_sb_info *sbi,
+			enum iostat_type type, unsigned long long io_bytes)
+{
+	unsigned long flags;
+
+	if (!sbi->iostat_enable)
+		return;
+
+	spin_lock_irqsave(&sbi->iostat_lock, flags);
+	sbi->rw_iostat[type] += io_bytes;
+
+	if (type == APP_BUFFERED_IO || type == APP_DIRECT_IO)
+		sbi->rw_iostat[APP_WRITE_IO] += io_bytes;
+
+	if (type == APP_BUFFERED_READ_IO || type == APP_DIRECT_READ_IO)
+		sbi->rw_iostat[APP_READ_IO] += io_bytes;
+
+	spin_unlock_irqrestore(&sbi->iostat_lock, flags);
+
+	f2fs_record_iostat(sbi);
+}
+
+static inline void __update_iostat_latency(struct bio_iostat_ctx *iostat_ctx,
+				int rw, bool is_sync)
+{
+	unsigned long ts_diff;
+	unsigned int iotype = iostat_ctx->type;
+	struct f2fs_sb_info *sbi = iostat_ctx->sbi;
+	struct iostat_lat_info *io_lat = sbi->iostat_io_lat;
+	int idx;
+	unsigned long flags;
+
+	if (!sbi->iostat_enable)
+		return;
+
+	ts_diff = jiffies - iostat_ctx->submit_ts;
+	if (iotype >= META_FLUSH)
+		iotype = META;
+
+	if (rw == 0) {
+		idx = READ_IO;
+	} else {
+		if (is_sync)
+			idx = WRITE_SYNC_IO;
+		else
+			idx = WRITE_ASYNC_IO;
+	}
+
+	spin_lock_irqsave(&sbi->iostat_lat_lock, flags);
+	io_lat->sum_lat[idx][iotype] += ts_diff;
+	io_lat->bio_cnt[idx][iotype]++;
+	if (ts_diff > io_lat->peak_lat[idx][iotype])
+		io_lat->peak_lat[idx][iotype] = ts_diff;
+	spin_unlock_irqrestore(&sbi->iostat_lat_lock, flags);
+}
+
+void iostat_update_and_unbind_ctx(struct bio *bio, int rw)
+{
+	struct bio_iostat_ctx *iostat_ctx = bio->bi_private;
+	bool is_sync = bio->bi_opf & REQ_SYNC;
+
+	if (rw == 0)
+		bio->bi_private = iostat_ctx->post_read_ctx;
+	else
+		bio->bi_private = iostat_ctx->sbi;
+	__update_iostat_latency(iostat_ctx, rw, is_sync);
+	mempool_free(iostat_ctx, bio_iostat_ctx_pool);
+}
+
+void iostat_alloc_and_bind_ctx(struct f2fs_sb_info *sbi,
+		struct bio *bio, struct bio_post_read_ctx *ctx)
+{
+	struct bio_iostat_ctx *iostat_ctx;
+	/* Due to the mempool, this never fails. */
+	iostat_ctx = mempool_alloc(bio_iostat_ctx_pool, GFP_NOFS);
+	iostat_ctx->sbi = sbi;
+	iostat_ctx->submit_ts = 0;
+	iostat_ctx->type = 0;
+	iostat_ctx->post_read_ctx = ctx;
+	bio->bi_private = iostat_ctx;
+}
+
+int __init f2fs_init_iostat_processing(void)
+{
+	bio_iostat_ctx_cache =
+		kmem_cache_create("f2fs_bio_iostat_ctx",
+				  sizeof(struct bio_iostat_ctx), 0, 0, NULL);
+	if (!bio_iostat_ctx_cache)
+		goto fail;
+	bio_iostat_ctx_pool =
+		mempool_create_slab_pool(NUM_PREALLOC_IOSTAT_CTXS,
+					 bio_iostat_ctx_cache);
+	if (!bio_iostat_ctx_pool)
+		goto fail_free_cache;
+	return 0;
+
+fail_free_cache:
+	kmem_cache_destroy(bio_iostat_ctx_cache);
+fail:
+	return -ENOMEM;
+}
+
+void f2fs_destroy_iostat_processing(void)
+{
+	mempool_destroy(bio_iostat_ctx_pool);
+	kmem_cache_destroy(bio_iostat_ctx_cache);
+}
+
+int f2fs_init_iostat(struct f2fs_sb_info *sbi)
+{
+	/* init iostat info */
+	spin_lock_init(&sbi->iostat_lock);
+	spin_lock_init(&sbi->iostat_lat_lock);
+	sbi->iostat_enable = false;
+	sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS;
+	sbi->iostat_io_lat = f2fs_kzalloc(sbi, sizeof(struct iostat_lat_info),
+					GFP_KERNEL);
+	if (!sbi->iostat_io_lat)
+		return -ENOMEM;
+
+	return 0;
+}
+
+void f2fs_destroy_iostat(struct f2fs_sb_info *sbi)
+{
+	kfree(sbi->iostat_io_lat);
+}
diff --git a/fs/f2fs/iostat.h b/fs/f2fs/iostat.h
new file mode 100644
index 0000000..22a2d01
--- /dev/null
+++ b/fs/f2fs/iostat.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2021 Google LLC
+ * Author: Daeho Jeong <daehojeong@google.com>
+ */
+#ifndef __F2FS_IOSTAT_H__
+#define __F2FS_IOSTAT_H__
+
+struct bio_post_read_ctx;
+
+#ifdef CONFIG_F2FS_IOSTAT
+
+#define DEFAULT_IOSTAT_PERIOD_MS	3000
+#define MIN_IOSTAT_PERIOD_MS		100
+/* maximum period of iostat tracing is 1 day */
+#define MAX_IOSTAT_PERIOD_MS		8640000
+
+enum {
+	READ_IO,
+	WRITE_SYNC_IO,
+	WRITE_ASYNC_IO,
+	MAX_IO_TYPE,
+};
+
+struct iostat_lat_info {
+	unsigned long sum_lat[MAX_IO_TYPE][NR_PAGE_TYPE];	/* sum of io latencies */
+	unsigned long peak_lat[MAX_IO_TYPE][NR_PAGE_TYPE];	/* peak io latency */
+	unsigned int bio_cnt[MAX_IO_TYPE][NR_PAGE_TYPE];	/* bio count */
+};
+
+extern int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
+			void *offset);
+extern void f2fs_reset_iostat(struct f2fs_sb_info *sbi);
+extern void f2fs_update_iostat(struct f2fs_sb_info *sbi,
+			enum iostat_type type, unsigned long long io_bytes);
+
+struct bio_iostat_ctx {
+	struct f2fs_sb_info *sbi;
+	unsigned long submit_ts;
+	enum page_type type;
+	struct bio_post_read_ctx *post_read_ctx;
+};
+
+static inline void iostat_update_submit_ctx(struct bio *bio,
+			enum page_type type)
+{
+	struct bio_iostat_ctx *iostat_ctx = bio->bi_private;
+
+	iostat_ctx->submit_ts = jiffies;
+	iostat_ctx->type = type;
+}
+
+static inline struct bio_post_read_ctx *get_post_read_ctx(struct bio *bio)
+{
+	struct bio_iostat_ctx *iostat_ctx = bio->bi_private;
+
+	return iostat_ctx->post_read_ctx;
+}
+
+extern void iostat_update_and_unbind_ctx(struct bio *bio, int rw);
+extern void iostat_alloc_and_bind_ctx(struct f2fs_sb_info *sbi,
+		struct bio *bio, struct bio_post_read_ctx *ctx);
+extern int f2fs_init_iostat_processing(void);
+extern void f2fs_destroy_iostat_processing(void);
+extern int f2fs_init_iostat(struct f2fs_sb_info *sbi);
+extern void f2fs_destroy_iostat(struct f2fs_sb_info *sbi);
+#else
+static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
+		enum iostat_type type, unsigned long long io_bytes) {}
+static inline void iostat_update_and_unbind_ctx(struct bio *bio, int rw) {}
+static inline void iostat_alloc_and_bind_ctx(struct f2fs_sb_info *sbi,
+		struct bio *bio, struct bio_post_read_ctx *ctx) {}
+static inline void iostat_update_submit_ctx(struct bio *bio,
+		enum page_type type) {}
+static inline struct bio_post_read_ctx *get_post_read_ctx(struct bio *bio)
+{
+	return bio->bi_private;
+}
+static inline int f2fs_init_iostat_processing(void) { return 0; }
+static inline void f2fs_destroy_iostat_processing(void) {}
+static inline int f2fs_init_iostat(struct f2fs_sb_info *sbi) { return 0; }
+static inline void f2fs_destroy_iostat(struct f2fs_sb_info *sbi) {}
+#endif
+#endif /* __F2FS_IOSTAT_H__ */
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 99e4ec4..33f1b22 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -74,7 +74,7 @@
 	if (err)
 		goto fail_drop;
 
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		goto fail_drop;
 
@@ -198,7 +198,7 @@
 	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
 	int i, cold_count, hot_count;
 
-	down_read(&sbi->sb_lock);
+	f2fs_down_read(&sbi->sb_lock);
 
 	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
 	hot_count = sbi->raw_super->hot_ext_count;
@@ -208,7 +208,7 @@
 			break;
 	}
 
-	up_read(&sbi->sb_lock);
+	f2fs_up_read(&sbi->sb_lock);
 
 	if (i == cold_count + hot_count)
 		return;
@@ -289,31 +289,41 @@
 						const unsigned char *name)
 {
 	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
-	unsigned char (*ext)[F2FS_EXTENSION_LEN];
-	unsigned int ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
+	unsigned char (*noext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).noextensions;
+	unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
+	unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
+	unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
 	int i, cold_count, hot_count;
 
 	if (!f2fs_sb_has_compression(sbi) ||
-			is_inode_flag_set(inode, FI_COMPRESSED_FILE) ||
 			F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
-			!f2fs_may_compress(inode))
+			!f2fs_may_compress(inode) ||
+			(!ext_cnt && !noext_cnt))
 		return;
 
-	down_read(&sbi->sb_lock);
+	f2fs_down_read(&sbi->sb_lock);
 
 	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
 	hot_count = sbi->raw_super->hot_ext_count;
 
 	for (i = cold_count; i < cold_count + hot_count; i++) {
 		if (is_extension_exist(name, extlist[i], false)) {
-			up_read(&sbi->sb_lock);
+			f2fs_up_read(&sbi->sb_lock);
 			return;
 		}
 	}
 
-	up_read(&sbi->sb_lock);
+	f2fs_up_read(&sbi->sb_lock);
 
-	ext = F2FS_OPTION(sbi).extensions;
+	for (i = 0; i < noext_cnt; i++) {
+		if (is_extension_exist(name, noext[i], false)) {
+			f2fs_disable_compressed_file(inode);
+			return;
+		}
+	}
+
+	if (is_inode_flag_set(inode, FI_COMPRESSED_FILE))
+		return;
 
 	for (i = 0; i < ext_cnt; i++) {
 		if (!is_extension_exist(name, ext[i], false))
@@ -340,7 +350,7 @@
 	if (!f2fs_is_checkpoint_ready(sbi))
 		return -ENOSPC;
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		return err;
 
@@ -399,7 +409,7 @@
 			F2FS_I(old_dentry->d_inode)->i_projid)))
 		return -EXDEV;
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		return err;
 
@@ -432,6 +442,7 @@
 	struct qstr dotdot = QSTR_INIT("..", 2);
 	struct page *page;
 	unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot, &page);
+
 	if (!ino) {
 		if (IS_ERR(page))
 			return ERR_CAST(page);
@@ -455,7 +466,7 @@
 		return 0;
 	}
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		return err;
 
@@ -510,6 +521,7 @@
 	}
 
 	err = f2fs_prepare_lookup(dir, dentry, &fname);
+	generic_set_encrypted_ci_d_ops(dentry);
 	if (err == -ENOENT)
 		goto out_splice;
 	if (err)
@@ -592,10 +604,10 @@
 		goto fail;
 	}
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		goto fail;
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		goto fail;
 
@@ -616,6 +628,8 @@
 		goto fail;
 	}
 	f2fs_delete_entry(de, page, dir, inode);
+	f2fs_unlock_op(sbi);
+
 #ifdef CONFIG_UNICODE
 	/* VFS negative dentries are incompatible with Encoding and
 	 * Case-insensitiveness. Eventually we'll want avoid
@@ -626,8 +640,6 @@
 	if (IS_CASEFOLDED(dir))
 		d_invalidate(dentry);
 #endif
-	f2fs_unlock_op(sbi);
-
 	if (IS_DIRSYNC(dir))
 		f2fs_sync_fs(sbi->sb, 1);
 fail:
@@ -640,6 +652,7 @@
 				 struct delayed_call *done)
 {
 	const char *link = page_get_link(dentry, inode, done);
+
 	if (!IS_ERR(link) && !*link) {
 		/* this is broken symlink case */
 		do_delayed_call(done);
@@ -668,7 +681,7 @@
 	if (err)
 		return err;
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		return err;
 
@@ -738,7 +751,7 @@
 	if (unlikely(f2fs_cp_error(sbi)))
 		return -EIO;
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		return err;
 
@@ -777,6 +790,7 @@
 static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
 {
 	struct inode *inode = d_inode(dentry);
+
 	if (f2fs_empty_dir(inode))
 		return f2fs_unlink(dir, dentry);
 	return -ENOTEMPTY;
@@ -794,7 +808,7 @@
 	if (!f2fs_is_checkpoint_ready(sbi))
 		return -ENOSPC;
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		return err;
 
@@ -832,7 +846,7 @@
 	struct inode *inode;
 	int err;
 
-	err = dquot_initialize(dir);
+	err = f2fs_dquot_initialize(dir);
 	if (err)
 		return err;
 
@@ -955,16 +969,16 @@
 			return err;
 	}
 
-	err = dquot_initialize(old_dir);
+	err = f2fs_dquot_initialize(old_dir);
 	if (err)
 		goto out;
 
-	err = dquot_initialize(new_dir);
+	err = f2fs_dquot_initialize(new_dir);
 	if (err)
 		goto out;
 
 	if (new_inode) {
-		err = dquot_initialize(new_inode);
+		err = f2fs_dquot_initialize(new_inode);
 		if (err)
 			goto out;
 	}
@@ -1013,11 +1027,11 @@
 		new_page = NULL;
 
 		new_inode->i_ctime = current_time(new_inode);
-		down_write(&F2FS_I(new_inode)->i_sem);
+		f2fs_down_write(&F2FS_I(new_inode)->i_sem);
 		if (old_dir_entry)
 			f2fs_i_links_write(new_inode, false);
 		f2fs_i_links_write(new_inode, false);
-		up_write(&F2FS_I(new_inode)->i_sem);
+		f2fs_up_write(&F2FS_I(new_inode)->i_sem);
 
 		if (!new_inode->i_nlink)
 			f2fs_add_orphan_inode(new_inode);
@@ -1038,13 +1052,13 @@
 			f2fs_i_links_write(new_dir, true);
 	}
 
-	down_write(&F2FS_I(old_inode)->i_sem);
+	f2fs_down_write(&F2FS_I(old_inode)->i_sem);
 	if (!old_dir_entry || whiteout)
 		file_lost_pino(old_inode);
 	else
 		/* adjust dir's i_pino to pass fsck check */
 		f2fs_i_pino_write(old_inode, new_dir->i_ino);
-	up_write(&F2FS_I(old_inode)->i_sem);
+	f2fs_up_write(&F2FS_I(old_inode)->i_sem);
 
 	old_inode->i_ctime = current_time(old_inode);
 	f2fs_mark_inode_dirty_sync(old_inode, false);
@@ -1097,8 +1111,7 @@
 out_old:
 	f2fs_put_page(old_page, 0);
 out:
-	if (whiteout)
-		iput(whiteout);
+	iput(whiteout);
 	return err;
 }
 
@@ -1128,11 +1141,11 @@
 			F2FS_I(new_dentry->d_inode)->i_projid)))
 		return -EXDEV;
 
-	err = dquot_initialize(old_dir);
+	err = f2fs_dquot_initialize(old_dir);
 	if (err)
 		goto out;
 
-	err = dquot_initialize(new_dir);
+	err = f2fs_dquot_initialize(new_dir);
 	if (err)
 		goto out;
 
@@ -1204,38 +1217,38 @@
 	/* update directory entry info of old dir inode */
 	f2fs_set_link(old_dir, old_entry, old_page, new_inode);
 
-	down_write(&F2FS_I(old_inode)->i_sem);
+	f2fs_down_write(&F2FS_I(old_inode)->i_sem);
 	if (!old_dir_entry)
 		file_lost_pino(old_inode);
 	else
 		/* adjust dir's i_pino to pass fsck check */
 		f2fs_i_pino_write(old_inode, new_dir->i_ino);
-	up_write(&F2FS_I(old_inode)->i_sem);
+	f2fs_up_write(&F2FS_I(old_inode)->i_sem);
 
 	old_dir->i_ctime = current_time(old_dir);
 	if (old_nlink) {
-		down_write(&F2FS_I(old_dir)->i_sem);
+		f2fs_down_write(&F2FS_I(old_dir)->i_sem);
 		f2fs_i_links_write(old_dir, old_nlink > 0);
-		up_write(&F2FS_I(old_dir)->i_sem);
+		f2fs_up_write(&F2FS_I(old_dir)->i_sem);
 	}
 	f2fs_mark_inode_dirty_sync(old_dir, false);
 
 	/* update directory entry info of new dir inode */
 	f2fs_set_link(new_dir, new_entry, new_page, old_inode);
 
-	down_write(&F2FS_I(new_inode)->i_sem);
+	f2fs_down_write(&F2FS_I(new_inode)->i_sem);
 	if (!new_dir_entry)
 		file_lost_pino(new_inode);
 	else
 		/* adjust dir's i_pino to pass fsck check */
 		f2fs_i_pino_write(new_inode, old_dir->i_ino);
-	up_write(&F2FS_I(new_inode)->i_sem);
+	f2fs_up_write(&F2FS_I(new_inode)->i_sem);
 
 	new_dir->i_ctime = current_time(new_dir);
 	if (new_nlink) {
-		down_write(&F2FS_I(new_dir)->i_sem);
+		f2fs_down_write(&F2FS_I(new_dir)->i_sem);
 		f2fs_i_links_write(new_dir, new_nlink > 0);
-		up_write(&F2FS_I(new_dir)->i_sem);
+		f2fs_up_write(&F2FS_I(new_dir)->i_sem);
 	}
 	f2fs_mark_inode_dirty_sync(new_dir, false);
 
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 02cb1c8..7303e801 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -17,7 +17,7 @@
 #include "node.h"
 #include "segment.h"
 #include "xattr.h"
-#include "trace.h"
+#include "iostat.h"
 #include <trace/events/f2fs.h>
 
 #define on_f2fs_build_free_nids(nmi) mutex_is_locked(&(nm_i)->build_lock)
@@ -44,11 +44,15 @@
 bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type)
 {
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
+	struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
 	struct sysinfo val;
 	unsigned long avail_ram;
 	unsigned long mem_size = 0;
 	bool res = false;
 
+	if (!nm_i)
+		return true;
+
 	si_meminfo(&val);
 
 	/* only uses low memory */
@@ -90,6 +94,24 @@
 		/* it allows 20% / total_ram for inmemory pages */
 		mem_size = get_pages(sbi, F2FS_INMEM_PAGES);
 		res = mem_size < (val.totalram / 5);
+	} else if (type == DISCARD_CACHE) {
+		mem_size = (atomic_read(&dcc->discard_cmd_cnt) *
+				sizeof(struct discard_cmd)) >> PAGE_SHIFT;
+		res = mem_size < (avail_ram * nm_i->ram_thresh / 100);
+	} else if (type == COMPRESS_PAGE) {
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+		unsigned long free_ram = val.freeram;
+
+		/*
+		 * free memory is lower than watermark or cached page count
+		 * exceed threshold, deny caching compress page.
+		 */
+		res = (free_ram > avail_ram * sbi->compress_watermark / 100) &&
+			(COMPRESS_MAPPING(sbi)->nrpages <
+			 free_ram * sbi->compress_percent / 100);
+#else
+		res = false;
+#endif
 	} else {
 		if (!sbi->sb->s_bdi->wb.dirty_exceeded)
 			return true;
@@ -141,14 +163,13 @@
 	return dst_page;
 }
 
-static struct nat_entry *__alloc_nat_entry(nid_t nid, bool no_fail)
+static struct nat_entry *__alloc_nat_entry(struct f2fs_sb_info *sbi,
+						nid_t nid, bool no_fail)
 {
 	struct nat_entry *new;
 
-	if (no_fail)
-		new = f2fs_kmem_cache_alloc(nat_entry_slab, GFP_F2FS_ZERO);
-	else
-		new = kmem_cache_alloc(nat_entry_slab, GFP_F2FS_ZERO);
+	new = f2fs_kmem_cache_alloc(nat_entry_slab,
+					GFP_F2FS_ZERO, no_fail, sbi);
 	if (new) {
 		nat_set_nid(new, nid);
 		nat_reset_flag(new);
@@ -221,7 +242,8 @@
 
 	head = radix_tree_lookup(&nm_i->nat_set_root, set);
 	if (!head) {
-		head = f2fs_kmem_cache_alloc(nat_entry_set_slab, GFP_NOFS);
+		head = f2fs_kmem_cache_alloc(nat_entry_set_slab,
+						GFP_NOFS, true, NULL);
 
 		INIT_LIST_HEAD(&head->entry_list);
 		INIT_LIST_HEAD(&head->set_list);
@@ -308,7 +330,8 @@
 	unsigned long flags;
 	unsigned int seq_id;
 
-	fn = f2fs_kmem_cache_alloc(fsync_node_entry_slab, GFP_NOFS);
+	fn = f2fs_kmem_cache_alloc(fsync_node_entry_slab,
+					GFP_NOFS, true, NULL);
 
 	get_page(page);
 	fn->page = page;
@@ -359,14 +382,14 @@
 	struct nat_entry *e;
 	bool need = false;
 
-	down_read(&nm_i->nat_tree_lock);
+	f2fs_down_read(&nm_i->nat_tree_lock);
 	e = __lookup_nat_cache(nm_i, nid);
 	if (e) {
 		if (!get_nat_flag(e, IS_CHECKPOINTED) &&
 				!get_nat_flag(e, HAS_FSYNCED_INODE))
 			need = true;
 	}
-	up_read(&nm_i->nat_tree_lock);
+	f2fs_up_read(&nm_i->nat_tree_lock);
 	return need;
 }
 
@@ -376,11 +399,11 @@
 	struct nat_entry *e;
 	bool is_cp = true;
 
-	down_read(&nm_i->nat_tree_lock);
+	f2fs_down_read(&nm_i->nat_tree_lock);
 	e = __lookup_nat_cache(nm_i, nid);
 	if (e && !get_nat_flag(e, IS_CHECKPOINTED))
 		is_cp = false;
-	up_read(&nm_i->nat_tree_lock);
+	f2fs_up_read(&nm_i->nat_tree_lock);
 	return is_cp;
 }
 
@@ -390,13 +413,13 @@
 	struct nat_entry *e;
 	bool need_update = true;
 
-	down_read(&nm_i->nat_tree_lock);
+	f2fs_down_read(&nm_i->nat_tree_lock);
 	e = __lookup_nat_cache(nm_i, ino);
 	if (e && get_nat_flag(e, HAS_LAST_FSYNC) &&
 			(get_nat_flag(e, IS_CHECKPOINTED) ||
 			 get_nat_flag(e, HAS_FSYNCED_INODE)))
 		need_update = false;
-	up_read(&nm_i->nat_tree_lock);
+	f2fs_up_read(&nm_i->nat_tree_lock);
 	return need_update;
 }
 
@@ -407,11 +430,15 @@
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	struct nat_entry *new, *e;
 
-	new = __alloc_nat_entry(nid, false);
+	/* Let's mitigate lock contention of nat_tree_lock during checkpoint */
+	if (f2fs_rwsem_is_locked(&sbi->cp_global_sem))
+		return;
+
+	new = __alloc_nat_entry(sbi, nid, false);
 	if (!new)
 		return;
 
-	down_write(&nm_i->nat_tree_lock);
+	f2fs_down_write(&nm_i->nat_tree_lock);
 	e = __lookup_nat_cache(nm_i, nid);
 	if (!e)
 		e = __init_nat_entry(nm_i, new, ne, false);
@@ -420,7 +447,7 @@
 				nat_get_blkaddr(e) !=
 					le32_to_cpu(ne->block_addr) ||
 				nat_get_version(e) != ne->version);
-	up_write(&nm_i->nat_tree_lock);
+	f2fs_up_write(&nm_i->nat_tree_lock);
 	if (e != new)
 		__free_nat_entry(new);
 }
@@ -430,9 +457,9 @@
 {
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	struct nat_entry *e;
-	struct nat_entry *new = __alloc_nat_entry(ni->nid, true);
+	struct nat_entry *new = __alloc_nat_entry(sbi, ni->nid, true);
 
-	down_write(&nm_i->nat_tree_lock);
+	f2fs_down_write(&nm_i->nat_tree_lock);
 	e = __lookup_nat_cache(nm_i, ni->nid);
 	if (!e) {
 		e = __init_nat_entry(nm_i, new, NULL, true);
@@ -463,6 +490,7 @@
 	/* increment version no as node is removed */
 	if (nat_get_blkaddr(e) != NEW_ADDR && new_blkaddr == NULL_ADDR) {
 		unsigned char version = nat_get_version(e);
+
 		nat_set_version(e, inc_node_version(version));
 	}
 
@@ -480,7 +508,7 @@
 			set_nat_flag(e, HAS_FSYNCED_INODE, true);
 		set_nat_flag(e, HAS_LAST_FSYNC, fsync_done);
 	}
-	up_write(&nm_i->nat_tree_lock);
+	f2fs_up_write(&nm_i->nat_tree_lock);
 }
 
 int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
@@ -488,7 +516,7 @@
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	int nr = nr_shrink;
 
-	if (!down_write_trylock(&nm_i->nat_tree_lock))
+	if (!f2fs_down_write_trylock(&nm_i->nat_tree_lock))
 		return 0;
 
 	spin_lock(&nm_i->nat_list_lock);
@@ -510,12 +538,12 @@
 	}
 	spin_unlock(&nm_i->nat_list_lock);
 
-	up_write(&nm_i->nat_tree_lock);
+	f2fs_up_write(&nm_i->nat_tree_lock);
 	return nr - nr_shrink;
 }
 
 int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
-						struct node_info *ni)
+				struct node_info *ni, bool checkpoint_context)
 {
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
 	struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
@@ -530,36 +558,46 @@
 	int i;
 
 	ni->nid = nid;
-
+retry:
 	/* Check nat cache */
-	down_read(&nm_i->nat_tree_lock);
+	f2fs_down_read(&nm_i->nat_tree_lock);
 	e = __lookup_nat_cache(nm_i, nid);
 	if (e) {
 		ni->ino = nat_get_ino(e);
 		ni->blk_addr = nat_get_blkaddr(e);
 		ni->version = nat_get_version(e);
-		up_read(&nm_i->nat_tree_lock);
+		f2fs_up_read(&nm_i->nat_tree_lock);
 		return 0;
 	}
 
-	memset(&ne, 0, sizeof(struct f2fs_nat_entry));
+	/*
+	 * Check current segment summary by trying to grab journal_rwsem first.
+	 * This sem is on the critical path on the checkpoint requiring the above
+	 * nat_tree_lock. Therefore, we should retry, if we failed to grab here
+	 * while not bothering checkpoint.
+	 */
+	if (!f2fs_rwsem_is_locked(&sbi->cp_global_sem) || checkpoint_context) {
+		down_read(&curseg->journal_rwsem);
+	} else if (f2fs_rwsem_is_contended(&nm_i->nat_tree_lock) ||
+				!down_read_trylock(&curseg->journal_rwsem)) {
+		f2fs_up_read(&nm_i->nat_tree_lock);
+		goto retry;
+	}
 
-	/* Check current segment summary */
-	down_read(&curseg->journal_rwsem);
 	i = f2fs_lookup_journal_in_cursum(journal, NAT_JOURNAL, nid, 0);
 	if (i >= 0) {
 		ne = nat_in_journal(journal, i);
 		node_info_from_raw_nat(ni, &ne);
 	}
-	up_read(&curseg->journal_rwsem);
+        up_read(&curseg->journal_rwsem);
 	if (i >= 0) {
-		up_read(&nm_i->nat_tree_lock);
+		f2fs_up_read(&nm_i->nat_tree_lock);
 		goto cache;
 	}
 
 	/* Fill node_info from nat page */
 	index = current_nat_addr(sbi, nid);
-	up_read(&nm_i->nat_tree_lock);
+	f2fs_up_read(&nm_i->nat_tree_lock);
 
 	page = f2fs_get_meta_page(sbi, index);
 	if (IS_ERR(page))
@@ -810,6 +848,26 @@
 	dn->ofs_in_node = offset[level];
 	dn->node_page = npage[level];
 	dn->data_blkaddr = f2fs_data_blkaddr(dn);
+
+	if (is_inode_flag_set(dn->inode, FI_COMPRESSED_FILE) &&
+					f2fs_sb_has_readonly(sbi)) {
+		unsigned int c_len = f2fs_cluster_blocks_are_contiguous(dn);
+		block_t blkaddr;
+
+		if (!c_len)
+			goto out;
+
+		blkaddr = f2fs_data_blkaddr(dn);
+		if (blkaddr == COMPRESS_ADDR)
+			blkaddr = data_blkaddr(dn->inode, dn->node_page,
+						dn->ofs_in_node + 1);
+
+		f2fs_update_extent_tree_range_compressed(dn->inode,
+					index, blkaddr,
+					F2FS_I(dn->inode)->i_cluster_size,
+					c_len);
+	}
+out:
 	return 0;
 
 release_pages:
@@ -834,7 +892,7 @@
 	int err;
 	pgoff_t index;
 
-	err = f2fs_get_node_info(sbi, dn->nid, &ni);
+	err = f2fs_get_node_info(sbi, dn->nid, &ni, false);
 	if (err)
 		return err;
 
@@ -1235,7 +1293,7 @@
 		goto fail;
 
 #ifdef CONFIG_F2FS_CHECK_FS
-	err = f2fs_get_node_info(sbi, dn->nid, &new_ni);
+	err = f2fs_get_node_info(sbi, dn->nid, &new_ni, false);
 	if (err) {
 		dec_valid_node_count(sbi, dn->inode, !ofs);
 		goto fail;
@@ -1301,12 +1359,12 @@
 		return LOCKED_PAGE;
 	}
 
-	err = f2fs_get_node_info(sbi, page->index, &ni);
+	err = f2fs_get_node_info(sbi, page->index, &ni, false);
 	if (err)
 		return err;
 
-	if (unlikely(ni.blk_addr == NULL_ADDR) ||
-			is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)) {
+	/* NEW_ADDR can be seen, after cp_error drops some dirty node pages */
+	if (unlikely(ni.blk_addr == NULL_ADDR || ni.blk_addr == NEW_ADDR)) {
 		ClearPageUptodate(page);
 		return -ENOENT;
 	}
@@ -1363,8 +1421,7 @@
 
 	err = read_node_page(page, 0);
 	if (err < 0) {
-		f2fs_put_page(page, 1);
-		return ERR_PTR(err);
+		goto out_put_err;
 	} else if (err == LOCKED_PAGE) {
 		err = 0;
 		goto page_hit;
@@ -1390,19 +1447,23 @@
 		goto out_err;
 	}
 page_hit:
-	if(unlikely(nid != nid_of_node(page))) {
-		f2fs_warn(sbi, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
+	if (likely(nid == nid_of_node(page)))
+		return page;
+
+	f2fs_warn(sbi, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
 			  nid, nid_of_node(page), ino_of_node(page),
 			  ofs_of_node(page), cpver_of_node(page),
 			  next_blkaddr_of_node(page));
-		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		err = -EINVAL;
+	set_sbi_flag(sbi, SBI_NEED_FSCK);
+	err = -EINVAL;
 out_err:
-		ClearPageUptodate(page);
-		f2fs_put_page(page, 1);
-		return ERR_PTR(err);
-	}
-	return page;
+	ClearPageUptodate(page);
+out_put_err:
+	/* ENOENT comes from read_node_page which is not an error. */
+	if (err != -ENOENT)
+		f2fs_handle_page_eio(sbi, page->index, NODE);
+	f2fs_put_page(page, 1);
+	return ERR_PTR(err);
 }
 
 struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid)
@@ -1534,13 +1595,10 @@
 	trace_f2fs_writepage(page, NODE);
 
 	if (unlikely(f2fs_cp_error(sbi))) {
-		if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) {
-			ClearPageUptodate(page);
-			dec_page_count(sbi, F2FS_DIRTY_NODES);
-			unlock_page(page);
-			return 0;
-		}
-		goto redirty_out;
+		ClearPageUptodate(page);
+		dec_page_count(sbi, F2FS_DIRTY_NODES);
+		unlock_page(page);
+		return 0;
 	}
 
 	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
@@ -1555,21 +1613,21 @@
 	nid = nid_of_node(page);
 	f2fs_bug_on(sbi, page->index != nid);
 
-	if (f2fs_get_node_info(sbi, nid, &ni))
+	if (f2fs_get_node_info(sbi, nid, &ni, !do_balance))
 		goto redirty_out;
 
 	if (wbc->for_reclaim) {
-		if (!down_read_trylock(&sbi->node_write))
+		if (!f2fs_down_read_trylock(&sbi->node_write))
 			goto redirty_out;
 	} else {
-		down_read(&sbi->node_write);
+		f2fs_down_read(&sbi->node_write);
 	}
 
 	/* This page is already truncated */
 	if (unlikely(ni.blk_addr == NULL_ADDR)) {
 		ClearPageUptodate(page);
 		dec_page_count(sbi, F2FS_DIRTY_NODES);
-		up_read(&sbi->node_write);
+		f2fs_up_read(&sbi->node_write);
 		unlock_page(page);
 		return 0;
 	}
@@ -1577,7 +1635,7 @@
 	if (__is_valid_data_blkaddr(ni.blk_addr) &&
 		!f2fs_is_valid_blkaddr(sbi, ni.blk_addr,
 					DATA_GENERIC_ENHANCE)) {
-		up_read(&sbi->node_write);
+		f2fs_up_read(&sbi->node_write);
 		goto redirty_out;
 	}
 
@@ -1598,7 +1656,7 @@
 	f2fs_do_write_node_page(nid, &fio);
 	set_node_addr(sbi, &ni, fio.new_blkaddr, is_fsync_dnode(page));
 	dec_page_count(sbi, F2FS_DIRTY_NODES);
-	up_read(&sbi->node_write);
+	f2fs_up_read(&sbi->node_write);
 
 	if (wbc->for_reclaim) {
 		f2fs_submit_merged_write_cond(sbi, NULL, page, 0, NODE);
@@ -1732,6 +1790,7 @@
 
 			if (!atomic || page == last_page) {
 				set_fsync_mark(page, 1);
+				percpu_counter_inc(&sbi->rf_node_block_count);
 				if (IS_INODE(page)) {
 					if (is_inode_flag_set(inode,
 								FI_DIRTY_INODE))
@@ -1783,7 +1842,7 @@
 out:
 	if (nwritten)
 		f2fs_submit_merged_write_cond(sbi, NULL, NULL, ino, NODE);
-	return ret ? -EIO: 0;
+	return ret ? -EIO : 0;
 }
 
 static int f2fs_match_ino(struct inode *inode, unsigned long ino, void *data)
@@ -1859,8 +1918,8 @@
 			}
 
 			/* flush inline_data, if it's async context. */
-			if (is_inline_node(page)) {
-				clear_inline_node(page);
+			if (page_private_inline(page)) {
+				clear_page_private_inline(page);
 				unlock_page(page);
 				flush_inline_data(sbi, ino_of_node(page));
 				continue;
@@ -1940,8 +1999,8 @@
 				goto write_node;
 
 			/* flush inline_data */
-			if (is_inline_node(page)) {
-				clear_inline_node(page);
+			if (page_private_inline(page)) {
+				clear_page_private_inline(page);
 				unlock_page(page);
 				flush_inline_data(sbi, ino_of_node(page));
 				goto lock_node;
@@ -2099,8 +2158,7 @@
 	if (!PageDirty(page)) {
 		__set_page_dirty_nobuffers(page);
 		inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
-		f2fs_set_page_private(page, 0);
-		f2fs_trace_pid(page);
+		set_page_private_reference(page);
 		return 1;
 	}
 	return 0;
@@ -2130,8 +2188,8 @@
 				struct free_nid *i)
 {
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
-
 	int err = radix_tree_insert(&nm_i->free_nid_root, i->nid, i);
+
 	if (err)
 		return err;
 
@@ -2174,6 +2232,24 @@
 	}
 }
 
+bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info *sbi)
+{
+	struct f2fs_nm_info *nm_i = NM_I(sbi);
+	unsigned int i;
+	bool ret = true;
+
+	f2fs_down_read(&nm_i->nat_tree_lock);
+	for (i = 0; i < nm_i->nat_blocks; i++) {
+		if (!test_bit_le(i, nm_i->nat_block_bitmap)) {
+			ret = false;
+			break;
+		}
+	}
+	f2fs_up_read(&nm_i->nat_tree_lock);
+
+	return ret;
+}
+
 static void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid,
 							bool set, bool build)
 {
@@ -2215,7 +2291,7 @@
 	if (unlikely(f2fs_check_nid_range(sbi, nid)))
 		return false;
 
-	i = f2fs_kmem_cache_alloc(free_nid_slab, GFP_NOFS);
+	i = f2fs_kmem_cache_alloc(free_nid_slab, GFP_NOFS, true, NULL);
 	i->nid = nid;
 	i->state = FREE_NID;
 
@@ -2352,7 +2428,7 @@
 	unsigned int i, idx;
 	nid_t nid;
 
-	down_read(&nm_i->nat_tree_lock);
+	f2fs_down_read(&nm_i->nat_tree_lock);
 
 	for (i = 0; i < nm_i->nat_blocks; i++) {
 		if (!test_bit_le(i, nm_i->nat_block_bitmap))
@@ -2375,7 +2451,7 @@
 out:
 	scan_curseg_cache(sbi);
 
-	up_read(&nm_i->nat_tree_lock);
+	f2fs_up_read(&nm_i->nat_tree_lock);
 }
 
 static int __f2fs_build_free_nids(struct f2fs_sb_info *sbi,
@@ -2410,7 +2486,7 @@
 	f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES,
 							META_NAT, true);
 
-	down_read(&nm_i->nat_tree_lock);
+	f2fs_down_read(&nm_i->nat_tree_lock);
 
 	while (1) {
 		if (!test_bit_le(NAT_BLOCK_OFFSET(nid),
@@ -2425,7 +2501,7 @@
 			}
 
 			if (ret) {
-				up_read(&nm_i->nat_tree_lock);
+				f2fs_up_read(&nm_i->nat_tree_lock);
 				f2fs_err(sbi, "NAT is corrupt, run fsck to fix it");
 				return ret;
 			}
@@ -2445,7 +2521,7 @@
 	/* find free nids from current sum_pages */
 	scan_curseg_cache(sbi);
 
-	up_read(&nm_i->nat_tree_lock);
+	f2fs_up_read(&nm_i->nat_tree_lock);
 
 	f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nm_i->next_scan_nid),
 					nm_i->ra_nid_pages, META_NAT, false);
@@ -2605,9 +2681,15 @@
 
 	ri = F2FS_INODE(page);
 	if (ri->i_inline & F2FS_INLINE_XATTR) {
-		set_inode_flag(inode, FI_INLINE_XATTR);
+		if (!f2fs_has_inline_xattr(inode)) {
+			set_inode_flag(inode, FI_INLINE_XATTR);
+			stat_inc_inline_xattr(inode);
+		}
 	} else {
-		clear_inode_flag(inode, FI_INLINE_XATTR);
+		if (f2fs_has_inline_xattr(inode)) {
+			stat_dec_inline_xattr(inode);
+			clear_inode_flag(inode, FI_INLINE_XATTR);
+		}
 		goto update_inode;
 	}
 
@@ -2637,7 +2719,7 @@
 		goto recover_xnid;
 
 	/* 1: invalidate the previous xattr nid */
-	err = f2fs_get_node_info(sbi, prev_xnid, &ni);
+	err = f2fs_get_node_info(sbi, prev_xnid, &ni, false);
 	if (err)
 		return err;
 
@@ -2661,7 +2743,9 @@
 	f2fs_update_inode_page(inode);
 
 	/* 3: update and set xattr node page dirty */
-	memcpy(F2FS_NODE(xpage), F2FS_NODE(page), VALID_XATTR_BLOCK_SIZE);
+	if (page)
+		memcpy(F2FS_NODE(xpage), F2FS_NODE(page),
+				VALID_XATTR_BLOCK_SIZE);
 
 	set_page_dirty(xpage);
 	f2fs_put_page(xpage, 1);
@@ -2677,7 +2761,7 @@
 	struct page *ipage;
 	int err;
 
-	err = f2fs_get_node_info(sbi, ino, &old_ni);
+	err = f2fs_get_node_info(sbi, ino, &old_ni, false);
 	if (err)
 		return err;
 
@@ -2701,7 +2785,7 @@
 	src = F2FS_INODE(page);
 	dst = F2FS_INODE(ipage);
 
-	memcpy(dst, src, (unsigned long)&src->i_ext - (unsigned long)src);
+	memcpy(dst, src, offsetof(struct f2fs_inode, i_ext));
 	dst->i_size = 0;
 	dst->i_blocks = cpu_to_le64(1);
 	dst->i_links = cpu_to_le32(1);
@@ -2754,7 +2838,7 @@
 	sum_entry = &sum->entries[0];
 
 	for (i = 0; i < last_offset; i += nrpages, addr += nrpages) {
-		nrpages = min(last_offset - i, BIO_MAX_PAGES);
+		nrpages = bio_max_segs(last_offset - i);
 
 		/* readahead node pages */
 		f2fs_ra_meta_pages(sbi, addr, nrpages, META_POR, true);
@@ -2799,7 +2883,7 @@
 
 		ne = __lookup_nat_cache(nm_i, nid);
 		if (!ne) {
-			ne = __alloc_nat_entry(nid, true);
+			ne = __alloc_nat_entry(sbi, nid, true);
 			__init_nat_entry(nm_i, ne, &raw_ne, true);
 		}
 
@@ -2839,7 +2923,23 @@
 	list_add_tail(&nes->set_list, head);
 }
 
-static void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
+static void __update_nat_bits(struct f2fs_nm_info *nm_i, unsigned int nat_ofs,
+							unsigned int valid)
+{
+	if (valid == 0) {
+		__set_bit_le(nat_ofs, nm_i->empty_nat_bits);
+		__clear_bit_le(nat_ofs, nm_i->full_nat_bits);
+		return;
+	}
+
+	__clear_bit_le(nat_ofs, nm_i->empty_nat_bits);
+	if (valid == NAT_ENTRY_PER_BLOCK)
+		__set_bit_le(nat_ofs, nm_i->full_nat_bits);
+	else
+		__clear_bit_le(nat_ofs, nm_i->full_nat_bits);
+}
+
+static void update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
 						struct page *page)
 {
 	struct f2fs_nm_info *nm_i = NM_I(sbi);
@@ -2848,7 +2948,7 @@
 	int valid = 0;
 	int i = 0;
 
-	if (!enabled_nat_bits(sbi, NULL))
+	if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
 		return;
 
 	if (nat_index == 0) {
@@ -2859,17 +2959,36 @@
 		if (le32_to_cpu(nat_blk->entries[i].block_addr) != NULL_ADDR)
 			valid++;
 	}
-	if (valid == 0) {
-		__set_bit_le(nat_index, nm_i->empty_nat_bits);
-		__clear_bit_le(nat_index, nm_i->full_nat_bits);
-		return;
+
+	__update_nat_bits(nm_i, nat_index, valid);
+}
+
+void f2fs_enable_nat_bits(struct f2fs_sb_info *sbi)
+{
+	struct f2fs_nm_info *nm_i = NM_I(sbi);
+	unsigned int nat_ofs;
+
+	f2fs_down_read(&nm_i->nat_tree_lock);
+
+	for (nat_ofs = 0; nat_ofs < nm_i->nat_blocks; nat_ofs++) {
+		unsigned int valid = 0, nid_ofs = 0;
+
+		/* handle nid zero due to it should never be used */
+		if (unlikely(nat_ofs == 0)) {
+			valid = 1;
+			nid_ofs = 1;
+		}
+
+		for (; nid_ofs < NAT_ENTRY_PER_BLOCK; nid_ofs++) {
+			if (!test_bit_le(nid_ofs,
+					nm_i->free_nid_bitmap[nat_ofs]))
+				valid++;
+		}
+
+		__update_nat_bits(nm_i, nat_ofs, valid);
 	}
 
-	__clear_bit_le(nat_index, nm_i->empty_nat_bits);
-	if (valid == NAT_ENTRY_PER_BLOCK)
-		__set_bit_le(nat_index, nm_i->full_nat_bits);
-	else
-		__clear_bit_le(nat_index, nm_i->full_nat_bits);
+	f2fs_up_read(&nm_i->nat_tree_lock);
 }
 
 static int __flush_nat_entry_set(struct f2fs_sb_info *sbi,
@@ -2888,7 +3007,7 @@
 	 * #1, flush nat entries to journal in current hot data summary block.
 	 * #2, flush nat entries to nat page.
 	 */
-	if (enabled_nat_bits(sbi, cpc) ||
+	if ((cpc->reason & CP_UMOUNT) ||
 		!__has_cursum_space(journal, set->entry_cnt, NAT_JOURNAL))
 		to_journal = false;
 
@@ -2935,7 +3054,7 @@
 	if (to_journal) {
 		up_write(&curseg->journal_rwsem);
 	} else {
-		__update_nat_bits(sbi, start_nid, page);
+		update_nat_bits(sbi, start_nid, page);
 		f2fs_put_page(page, 1);
 	}
 
@@ -2966,23 +3085,23 @@
 	 * during unmount, let's flush nat_bits before checking
 	 * nat_cnt[DIRTY_NAT].
 	 */
-	if (enabled_nat_bits(sbi, cpc)) {
-		down_write(&nm_i->nat_tree_lock);
+	if (cpc->reason & CP_UMOUNT) {
+		f2fs_down_write(&nm_i->nat_tree_lock);
 		remove_nats_in_journal(sbi);
-		up_write(&nm_i->nat_tree_lock);
+		f2fs_up_write(&nm_i->nat_tree_lock);
 	}
 
 	if (!nm_i->nat_cnt[DIRTY_NAT])
 		return 0;
 
-	down_write(&nm_i->nat_tree_lock);
+	f2fs_down_write(&nm_i->nat_tree_lock);
 
 	/*
 	 * if there are no enough space in journal to store dirty nat
 	 * entries, remove all entries from journal and merge them
 	 * into nat entry set.
 	 */
-	if (enabled_nat_bits(sbi, cpc) ||
+	if (cpc->reason & CP_UMOUNT ||
 		!__has_cursum_space(journal,
 			nm_i->nat_cnt[DIRTY_NAT], NAT_JOURNAL))
 		remove_nats_in_journal(sbi);
@@ -2990,6 +3109,7 @@
 	while ((found = __gang_lookup_nat_set(nm_i,
 					set_idx, SETVEC_SIZE, setvec))) {
 		unsigned idx;
+
 		set_idx = setvec[found - 1]->set + 1;
 		for (idx = 0; idx < found; idx++)
 			__adjust_nat_entry_set(setvec[idx], &sets,
@@ -3003,7 +3123,7 @@
 			break;
 	}
 
-	up_write(&nm_i->nat_tree_lock);
+	f2fs_up_write(&nm_i->nat_tree_lock);
 	/* Allow dirty nats by node block allocation in write_begin */
 
 	return err;
@@ -3018,15 +3138,18 @@
 	__u64 cp_ver = cur_cp_version(ckpt);
 	block_t nat_bits_addr;
 
-	if (!enabled_nat_bits(sbi, NULL))
-		return 0;
-
 	nm_i->nat_bits_blocks = F2FS_BLK_ALIGN((nat_bits_bytes << 1) + 8);
 	nm_i->nat_bits = f2fs_kvzalloc(sbi,
 			nm_i->nat_bits_blocks << F2FS_BLKSIZE_BITS, GFP_KERNEL);
 	if (!nm_i->nat_bits)
 		return -ENOMEM;
 
+	nm_i->full_nat_bits = nm_i->nat_bits + 8;
+	nm_i->empty_nat_bits = nm_i->full_nat_bits + nat_bits_bytes;
+
+	if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
+		return 0;
+
 	nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
 						nm_i->nat_bits_blocks;
 	for (i = 0; i < nm_i->nat_bits_blocks; i++) {
@@ -3043,13 +3166,12 @@
 
 	cp_ver |= (cur_cp_crc(ckpt) << 32);
 	if (cpu_to_le64(cp_ver) != *(__le64 *)nm_i->nat_bits) {
-		disable_nat_bits(sbi, true);
+		clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
+		f2fs_notice(sbi, "Disable nat_bits due to incorrect cp_ver (%llu, %llu)",
+			cp_ver, le64_to_cpu(*(__le64 *)nm_i->nat_bits));
 		return 0;
 	}
 
-	nm_i->full_nat_bits = nm_i->nat_bits + 8;
-	nm_i->empty_nat_bits = nm_i->full_nat_bits + nat_bits_bytes;
-
 	f2fs_notice(sbi, "Found nat_bits in checkpoint");
 	return 0;
 }
@@ -3060,7 +3182,7 @@
 	unsigned int i = 0;
 	nid_t nid, last_nid;
 
-	if (!enabled_nat_bits(sbi, NULL))
+	if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
 		return;
 
 	for (i = 0; i < nm_i->nat_blocks; i++) {
@@ -3111,6 +3233,7 @@
 	nm_i->ram_thresh = DEF_RAM_THRESHOLD;
 	nm_i->ra_nid_pages = DEF_RA_NID_PAGES;
 	nm_i->dirty_nats_ratio = DEF_DIRTY_NAT_RATIO_THRESHOLD;
+	nm_i->max_rf_node_blocks = DEF_RF_NODE_BLOCKS;
 
 	INIT_RADIX_TREE(&nm_i->free_nid_root, GFP_ATOMIC);
 	INIT_LIST_HEAD(&nm_i->free_nid_list);
@@ -3121,7 +3244,7 @@
 
 	mutex_init(&nm_i->build_lock);
 	spin_lock_init(&nm_i->nid_list_lock);
-	init_rwsem(&nm_i->nat_tree_lock);
+	init_f2fs_rwsem(&nm_i->nat_tree_lock);
 
 	nm_i->next_scan_nid = le32_to_cpu(sbi->ckpt->next_free_nid);
 	nm_i->bitmap_size = __bitmap_size(sbi, NAT_BITMAP);
@@ -3227,7 +3350,7 @@
 	spin_unlock(&nm_i->nid_list_lock);
 
 	/* destroy nat cache */
-	down_write(&nm_i->nat_tree_lock);
+	f2fs_down_write(&nm_i->nat_tree_lock);
 	while ((found = __gang_lookup_nat_cache(nm_i,
 					nid, NATVEC_SIZE, natvec))) {
 		unsigned idx;
@@ -3257,7 +3380,7 @@
 			kmem_cache_free(nat_entry_set_slab, setvec[idx]);
 		}
 	}
-	up_write(&nm_i->nat_tree_lock);
+	f2fs_up_write(&nm_i->nat_tree_lock);
 
 	kvfree(nm_i->nat_block_bitmap);
 	if (nm_i->free_nid_bitmap) {
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index f84541b..4c1d34b 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -31,6 +31,9 @@
 /* control total # of nats */
 #define DEF_NAT_CACHE_THRESHOLD			100000
 
+/* control total # of node writes used for roll-fowrad recovery */
+#define DEF_RF_NODE_BLOCKS			0
+
 /* vector size for gang look-up from nat cache that consists of radix tree */
 #define NATVEC_SIZE	64
 #define SETVEC_SIZE	32
@@ -38,6 +41,9 @@
 /* return value for read_node_page */
 #define LOCKED_PAGE	1
 
+/* check pinned file's alignment status of physical blocks */
+#define FILE_NOT_ALIGNED	1
+
 /* For flag in struct node_info */
 enum {
 	IS_CHECKPOINTED,	/* is it checkpointed before? */
@@ -135,11 +141,6 @@
 	return NM_I(sbi)->nat_cnt[TOTAL_NAT] >= DEF_NAT_CACHE_THRESHOLD;
 }
 
-static inline bool excess_dirty_nodes(struct f2fs_sb_info *sbi)
-{
-	return get_pages(sbi, F2FS_DIRTY_NODES) >= sbi->blocks_per_seg * 8;
-}
-
 enum mem_type {
 	FREE_NIDS,	/* indicates the free nid list */
 	NAT_ENTRIES,	/* indicates the cached nat entry */
@@ -147,6 +148,8 @@
 	INO_ENTRIES,	/* indicates inode entries */
 	EXTENT_CACHE,	/* indicates extent cache */
 	INMEM_PAGES,	/* indicates inmemory pages */
+	DISCARD_CACHE,	/* indicates memory of cached discard cmds */
+	COMPRESS_PAGE,	/* indicates memory of cached compressed pages */
 	BASE_CHECK,	/* check kernel status */
 };
 
@@ -388,20 +391,6 @@
  *  - Mark cold node blocks in their node footer
  *  - Mark cold data pages in page cache
  */
-static inline int is_cold_data(struct page *page)
-{
-	return PageChecked(page);
-}
-
-static inline void set_cold_data(struct page *page)
-{
-	SetPageChecked(page);
-}
-
-static inline void clear_cold_data(struct page *page)
-{
-	ClearPageChecked(page);
-}
 
 static inline int is_node(struct page *page, int type)
 {
@@ -413,21 +402,6 @@
 #define is_fsync_dnode(page)	is_node(page, FSYNC_BIT_SHIFT)
 #define is_dent_dnode(page)	is_node(page, DENT_BIT_SHIFT)
 
-static inline int is_inline_node(struct page *page)
-{
-	return PageChecked(page);
-}
-
-static inline void set_inline_node(struct page *page)
-{
-	SetPageChecked(page);
-}
-
-static inline void clear_inline_node(struct page *page)
-{
-	ClearPageChecked(page);
-}
-
 static inline void set_cold_node(struct page *page, bool is_dir)
 {
 	struct f2fs_node *rn = F2FS_NODE(page);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index c3c527a..30fc972 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -5,6 +5,7 @@
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com/
  */
+#include <asm/unaligned.h>
 #include <linux/fs.h>
 #include <linux/f2fs_fs.h>
 #include "f2fs.h"
@@ -44,12 +45,20 @@
 
 static struct kmem_cache *fsync_entry_slab;
 
+#ifdef CONFIG_UNICODE
+extern struct kmem_cache *f2fs_cf_name_slab;
+#endif
+
 bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi)
 {
 	s64 nalloc = percpu_counter_sum_positive(&sbi->alloc_valid_block_count);
 
 	if (sbi->last_valid_block_count + nalloc > sbi->user_block_count)
 		return false;
+	if (NM_I(sbi)->max_rf_node_blocks &&
+		percpu_counter_sum_positive(&sbi->rf_node_block_count) >=
+						NM_I(sbi)->max_rf_node_blocks)
+		return false;
 	return true;
 }
 
@@ -76,7 +85,7 @@
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		goto err_out;
 
@@ -86,7 +95,8 @@
 			goto err_out;
 	}
 
-	entry = f2fs_kmem_cache_alloc(fsync_entry_slab, GFP_F2FS_ZERO);
+	entry = f2fs_kmem_cache_alloc(fsync_entry_slab,
+					GFP_F2FS_ZERO, true, NULL);
 	entry->inode = inode;
 	list_add_tail(&entry->list, head);
 
@@ -128,14 +138,23 @@
 	}
 
 	/* Compute the hash of the filename */
-	if (IS_CASEFOLDED(dir)) {
+	if (IS_ENCRYPTED(dir) && IS_CASEFOLDED(dir)) {
+		/*
+		 * In this case the hash isn't computable without the key, so it
+		 * was saved on-disk.
+		 */
+		if (fname->disk_name.len + sizeof(f2fs_hash_t) > F2FS_NAME_LEN)
+			return -EINVAL;
+		fname->hash = get_unaligned((f2fs_hash_t *)
+				&raw_inode->i_name[fname->disk_name.len]);
+	} else if (IS_CASEFOLDED(dir)) {
 		err = f2fs_init_casefolded_name(dir, fname);
 		if (err)
 			return err;
 		f2fs_hash_filename(dir, fname);
 #ifdef CONFIG_UNICODE
 		/* Case-sensitive match is fine for recovery */
-		kfree(fname->cf_name.name);
+		kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
 		fname->cf_name.name = NULL;
 #endif
 	} else {
@@ -188,7 +207,7 @@
 			goto out_put;
 		}
 
-		err = dquot_initialize(einode);
+		err = f2fs_dquot_initialize(einode);
 		if (err) {
 			iput(einode);
 			goto out_put;
@@ -327,6 +346,19 @@
 	return 0;
 }
 
+static unsigned int adjust_por_ra_blocks(struct f2fs_sb_info *sbi,
+				unsigned int ra_blocks, unsigned int blkaddr,
+				unsigned int next_blkaddr)
+{
+	if (blkaddr + 1 == next_blkaddr)
+		ra_blocks = min_t(unsigned int, RECOVERY_MAX_RA_BLOCKS,
+							ra_blocks * 2);
+	else if (next_blkaddr % sbi->blocks_per_seg)
+		ra_blocks = max_t(unsigned int, RECOVERY_MIN_RA_BLOCKS,
+							ra_blocks / 2);
+	return ra_blocks;
+}
+
 static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
 				bool check_only)
 {
@@ -334,6 +366,7 @@
 	struct page *page = NULL;
 	block_t blkaddr;
 	unsigned int loop_cnt = 0;
+	unsigned int ra_blocks = RECOVERY_MAX_RA_BLOCKS;
 	unsigned int free_blocks = MAIN_SEGS(sbi) * sbi->blocks_per_seg -
 						valid_user_blocks(sbi);
 	int err = 0;
@@ -408,11 +441,14 @@
 			break;
 		}
 
+		ra_blocks = adjust_por_ra_blocks(sbi, ra_blocks, blkaddr,
+						next_blkaddr_of_node(page));
+
 		/* check next segment */
 		blkaddr = next_blkaddr_of_node(page);
 		f2fs_put_page(page, 1);
 
-		f2fs_ra_meta_pages_cond(sbi, blkaddr);
+		f2fs_ra_meta_pages_cond(sbi, blkaddr, ra_blocks);
 	}
 	return err;
 }
@@ -448,6 +484,7 @@
 	/* Get the previous summary */
 	for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
 		struct curseg_info *curseg = CURSEG_I(sbi, i);
+
 		if (curseg->segno == segno) {
 			sum = curseg->sum_blk->entries[blkoff];
 			goto got_it;
@@ -501,7 +538,7 @@
 		if (IS_ERR(inode))
 			return PTR_ERR(inode);
 
-		ret = dquot_initialize(inode);
+		ret = f2fs_dquot_initialize(inode);
 		if (ret) {
 			iput(inode);
 			return ret;
@@ -588,7 +625,7 @@
 
 	f2fs_wait_on_page_writeback(dn.node_page, NODE, true, true);
 
-	err = f2fs_get_node_info(sbi, dn.nid, &ni);
+	err = f2fs_get_node_info(sbi, dn.nid, &ni, false);
 	if (err)
 		goto err;
 
@@ -705,6 +742,7 @@
 	struct page *page = NULL;
 	int err = 0;
 	block_t blkaddr;
+	unsigned int ra_blocks = RECOVERY_MAX_RA_BLOCKS;
 
 	/* get node pages in the current segment */
 	curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
@@ -716,8 +754,6 @@
 		if (!f2fs_is_valid_blkaddr(sbi, blkaddr, META_POR))
 			break;
 
-		f2fs_ra_meta_pages_cond(sbi, blkaddr);
-
 		page = f2fs_get_tmp_page(sbi, blkaddr);
 		if (IS_ERR(page)) {
 			err = PTR_ERR(page);
@@ -760,9 +796,14 @@
 		if (entry->blkaddr == blkaddr)
 			list_move_tail(&entry->list, tmp_inode_list);
 next:
+		ra_blocks = adjust_por_ra_blocks(sbi, ra_blocks, blkaddr,
+						next_blkaddr_of_node(page));
+
 		/* check next segment */
 		blkaddr = next_blkaddr_of_node(page);
 		f2fs_put_page(page, 1);
+
+		f2fs_ra_meta_pages_cond(sbi, blkaddr, ra_blocks);
 	}
 	if (!err)
 		f2fs_allocate_new_segments(sbi);
@@ -788,8 +829,6 @@
 	}
 
 #ifdef CONFIG_QUOTA
-	/* Needed for iput() to work correctly and not trash data */
-	sbi->sb->s_flags |= SB_ACTIVE;
 	/* Turn on quotas so that they are updated correctly */
 	quota_enabled = f2fs_enable_quota_files(sbi, s_flags & SB_RDONLY);
 #endif
@@ -799,7 +838,7 @@
 	INIT_LIST_HEAD(&dir_list);
 
 	/* prevent checkpoint */
-	mutex_lock(&sbi->cp_mutex);
+	f2fs_down_write(&sbi->cp_global_sem);
 
 	/* step #1: find fsynced inode numbers */
 	err = find_fsync_dnodes(sbi, &inode_list, check_only);
@@ -817,10 +856,8 @@
 	err = recover_data(sbi, &inode_list, &tmp_inode_list, &dir_list);
 	if (!err)
 		f2fs_bug_on(sbi, !list_empty(&inode_list));
-	else {
-		/* restore s_flags to let iput() trash data */
-		sbi->sb->s_flags = s_flags;
-	}
+	else
+		f2fs_bug_on(sbi, sbi->sb->s_flags & SB_ACTIVE);
 skip:
 	fix_curseg_write_pointer = !check_only || list_empty(&inode_list);
 
@@ -850,7 +887,7 @@
 	if (!err)
 		clear_sbi_flag(sbi, SBI_POR_DOING);
 
-	mutex_unlock(&sbi->cp_mutex);
+	f2fs_up_write(&sbi->cp_global_sem);
 
 	/* let's drop all the directory inodes for clean checkpoint */
 	destroy_fsync_dnodes(&dir_list, err);
@@ -873,7 +910,7 @@
 #endif
 	sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */
 
-	return ret ? ret: err;
+	return ret ? ret : err;
 }
 
 int __init f2fs_create_recovery_cache(void)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a27a934..4d6fefc5 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -15,12 +15,13 @@
 #include <linux/timer.h>
 #include <linux/freezer.h>
 #include <linux/sched/signal.h>
+#include <linux/random.h>
 
 #include "f2fs.h"
 #include "segment.h"
 #include "node.h"
 #include "gc.h"
-#include "trace.h"
+#include "iostat.h"
 #include <trace/events/f2fs.h>
 
 #define __reverse_ffz(x) __reverse_ffs(~(x))
@@ -187,11 +188,10 @@
 {
 	struct inmem_pages *new;
 
-	f2fs_trace_pid(page);
+	set_page_private_atomic(page);
 
-	f2fs_set_page_private(page, ATOMIC_WRITTEN_PAGE);
-
-	new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS);
+	new = f2fs_kmem_cache_alloc(inmem_entry_slab,
+					GFP_NOFS, true, NULL);
 
 	/* add atomic page indices to the list */
 	new->page = page;
@@ -254,7 +254,7 @@
 				goto next;
 			}
 
-			err = f2fs_get_node_info(sbi, dn.nid, &ni);
+			err = f2fs_get_node_info(sbi, dn.nid, &ni, false);
 			if (err) {
 				f2fs_put_dnode(&dn);
 				return err;
@@ -272,9 +272,10 @@
 		/* we don't need to invalidate this in the sccessful status */
 		if (drop || recover) {
 			ClearPageUptodate(page);
-			clear_cold_data(page);
+			clear_page_private_gcing(page);
 		}
-		f2fs_clear_page_private(page);
+		detach_page_private(page);
+		set_page_private(page, 0);
 		f2fs_put_page(page, 1);
 
 		list_del(&cur->list);
@@ -313,8 +314,7 @@
 skip:
 		iput(inode);
 	}
-	congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
-	cond_resched();
+	f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 	if (gc_failure) {
 		if (++looped >= count)
 			return;
@@ -358,7 +358,7 @@
 	struct inmem_pages *cur = NULL;
 	struct inmem_pages *tmp;
 
-	f2fs_bug_on(sbi, !IS_ATOMIC_WRITTEN_PAGE(page));
+	f2fs_bug_on(sbi, !page_private_atomic(page));
 
 	mutex_lock(&fi->inmem_lock);
 	list_for_each_entry(tmp, head, list) {
@@ -376,9 +376,12 @@
 	kmem_cache_free(inmem_entry_slab, cur);
 
 	ClearPageUptodate(page);
-	f2fs_clear_page_private(page);
+	clear_page_private_atomic(page);
 	f2fs_put_page(page, 0);
 
+	detach_page_private(page);
+	set_page_private(page, 0);
+
 	trace_f2fs_commit_inmem_page(page, INMEM_INVALIDATE);
 }
 
@@ -473,7 +476,7 @@
 
 	f2fs_balance_fs(sbi, true);
 
-	down_write(&fi->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&fi->i_gc_rwsem[WRITE]);
 
 	f2fs_lock_op(sbi);
 	set_inode_flag(inode, FI_ATOMIC_COMMIT);
@@ -485,7 +488,7 @@
 	clear_inode_flag(inode, FI_ATOMIC_COMMIT);
 
 	f2fs_unlock_op(sbi);
-	up_write(&fi->i_gc_rwsem[WRITE]);
+	f2fs_up_write(&fi->i_gc_rwsem[WRITE]);
 
 	return err;
 }
@@ -498,7 +501,7 @@
 {
 	if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
 		f2fs_show_injection_info(sbi, FAULT_CHECKPOINT);
-		f2fs_stop_checkpoint(sbi, false);
+		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_FAULT_INJECT);
 	}
 
 	/* balance_fs_bg is able to be pending */
@@ -513,11 +516,41 @@
 	 * dir/node pages without enough free segments.
 	 */
 	if (has_not_enough_free_secs(sbi, 0, 0)) {
-		down_write(&sbi->gc_lock);
-		f2fs_gc(sbi, false, false, false, NULL_SEGNO);
+		if (test_opt(sbi, GC_MERGE) && sbi->gc_thread &&
+					sbi->gc_thread->f2fs_gc_task) {
+			DEFINE_WAIT(wait);
+
+			prepare_to_wait(&sbi->gc_thread->fggc_wq, &wait,
+						TASK_UNINTERRUPTIBLE);
+			wake_up(&sbi->gc_thread->gc_wait_queue_head);
+			io_schedule();
+			finish_wait(&sbi->gc_thread->fggc_wq, &wait);
+		} else {
+			f2fs_down_write(&sbi->gc_lock);
+			f2fs_gc(sbi, false, false, false, NULL_SEGNO);
+		}
 	}
 }
 
+static inline bool excess_dirty_threshold(struct f2fs_sb_info *sbi)
+{
+	int factor = f2fs_rwsem_is_locked(&sbi->cp_rwsem) ? 3 : 2;
+	unsigned int dents = get_pages(sbi, F2FS_DIRTY_DENTS);
+	unsigned int qdata = get_pages(sbi, F2FS_DIRTY_QDATA);
+	unsigned int nodes = get_pages(sbi, F2FS_DIRTY_NODES);
+	unsigned int meta = get_pages(sbi, F2FS_DIRTY_META);
+	unsigned int imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
+	unsigned int threshold = sbi->blocks_per_seg * factor *
+					DEFAULT_DIRTY_THRESHOLD;
+	unsigned int global_threshold = threshold * 3 / 2;
+
+	if (dents >= threshold || qdata >= threshold ||
+		nodes >= threshold || meta >= threshold ||
+		imeta >= threshold)
+		return true;
+	return dents + qdata + nodes + meta + imeta >  global_threshold;
+}
+
 void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg)
 {
 	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
@@ -536,13 +569,13 @@
 	else
 		f2fs_build_free_nids(sbi, false, false);
 
-	if (excess_dirty_nats(sbi) || excess_dirty_nodes(sbi) ||
-		excess_prefree_segs(sbi))
+	if (excess_dirty_nats(sbi) || excess_dirty_threshold(sbi) ||
+		excess_prefree_segs(sbi) || !f2fs_space_for_roll_forward(sbi))
 		goto do_sync;
 
 	/* there is background inflight IO or foreground operation recently */
 	if (is_inflight_io(sbi, REQ_TIME) ||
-		(!f2fs_time_over(sbi, REQ_TIME) && rwsem_is_locked(&sbi->cp_rwsem)))
+		(!f2fs_time_over(sbi, REQ_TIME) && f2fs_rwsem_is_locked(&sbi->cp_rwsem)))
 		return;
 
 	/* exceed periodical checkpoint timeout threshold */
@@ -573,17 +606,7 @@
 static int __submit_flush_wait(struct f2fs_sb_info *sbi,
 				struct block_device *bdev)
 {
-	struct bio *bio;
-	int ret;
-
-	bio = f2fs_bio_alloc(sbi, 0, false);
-	if (!bio)
-		return -ENOMEM;
-
-	bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH;
-	bio_set_dev(bio, bdev);
-	ret = submit_bio_wait(bio);
-	bio_put(bio);
+	int ret = blkdev_issue_flush(bdev, GFP_NOFS);
 
 	trace_f2fs_issue_flush(bdev, test_opt(sbi, NOBARRIER),
 				test_opt(sbi, FLUSH_MERGE), ret);
@@ -617,8 +640,6 @@
 	if (kthread_should_stop())
 		return 0;
 
-	sb_start_intwrite(sbi->sb);
-
 	if (!llist_empty(&fcc->issue_list)) {
 		struct flush_cmd *cmd, *next;
 		int ret;
@@ -639,8 +660,6 @@
 		fcc->dispatch_list = NULL;
 	}
 
-	sb_end_intwrite(sbi->sb);
-
 	wait_event_interruptible(*q,
 		kthread_should_stop() || !llist_empty(&fcc->issue_list));
 	goto repeat;
@@ -677,7 +696,11 @@
 
 	llist_add(&cmd.llnode, &fcc->issue_list);
 
-	/* update issue_list before we wake up issue_flush thread */
+	/*
+	 * update issue_list before we wake up issue_flush thread, this
+	 * smp_mb() pairs with another barrier in ___wait_event(), see
+	 * more details in comments of waitqueue_active().
+	 */
 	smp_mb();
 
 	if (waitqueue_active(&fcc->flush_wait_queue))
@@ -777,11 +800,22 @@
 		return 0;
 
 	for (i = 1; i < sbi->s_ndevs; i++) {
+		int count = DEFAULT_RETRY_IO_COUNT;
+
 		if (!f2fs_test_bit(i, (char *)&sbi->dirty_device))
 			continue;
-		ret = __submit_flush_wait(sbi, FDEV(i).bdev);
-		if (ret)
+
+		do {
+			ret = __submit_flush_wait(sbi, FDEV(i).bdev);
+			if (ret)
+				f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
+		} while (ret && --count);
+
+		if (ret) {
+			f2fs_stop_checkpoint(sbi, false,
+					STOP_CP_REASON_FLUSH_FAIL);
 			break;
+		}
 
 		spin_lock(&sbi->dev_lock);
 		f2fs_clear_bit(i, (char *)&sbi->dirty_device);
@@ -991,7 +1025,7 @@
 
 	pend_list = &dcc->pend_list[plist_idx(len)];
 
-	dc = f2fs_kmem_cache_alloc(discard_cmd_slab, GFP_NOFS);
+	dc = f2fs_kmem_cache_alloc(discard_cmd_slab, GFP_NOFS, true, NULL);
 	INIT_LIST_HEAD(&dc->list);
 	dc->bdev = bdev;
 	dc->lstart = lstart;
@@ -1119,31 +1153,35 @@
 				struct discard_policy *dpolicy,
 				int discard_type, unsigned int granularity)
 {
+	struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
+
 	/* common policy */
 	dpolicy->type = discard_type;
 	dpolicy->sync = true;
 	dpolicy->ordered = false;
 	dpolicy->granularity = granularity;
 
-	dpolicy->max_requests = DEF_MAX_DISCARD_REQUEST;
+	dpolicy->max_requests = dcc->max_discard_request;
 	dpolicy->io_aware_gran = MAX_PLIST_NUM;
 	dpolicy->timeout = false;
 
 	if (discard_type == DPOLICY_BG) {
-		dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
-		dpolicy->mid_interval = DEF_MID_DISCARD_ISSUE_TIME;
-		dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
+		dpolicy->min_interval = dcc->min_discard_issue_time;
+		dpolicy->mid_interval = dcc->mid_discard_issue_time;
+		dpolicy->max_interval = dcc->max_discard_issue_time;
 		dpolicy->io_aware = true;
 		dpolicy->sync = false;
 		dpolicy->ordered = true;
 		if (utilization(sbi) > DEF_DISCARD_URGENT_UTIL) {
 			dpolicy->granularity = 1;
-			dpolicy->max_interval = DEF_MIN_DISCARD_ISSUE_TIME;
+			if (atomic_read(&dcc->discard_cmd_cnt))
+				dpolicy->max_interval =
+					dcc->min_discard_issue_time;
 		}
 	} else if (discard_type == DPOLICY_FORCE) {
-		dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
-		dpolicy->mid_interval = DEF_MID_DISCARD_ISSUE_TIME;
-		dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
+		dpolicy->min_interval = dcc->min_discard_issue_time;
+		dpolicy->mid_interval = dcc->mid_discard_issue_time;
+		dpolicy->max_interval = dcc->max_discard_issue_time;
 		dpolicy->io_aware = false;
 	} else if (discard_type == DPOLICY_FSTRIM) {
 		dpolicy->io_aware = false;
@@ -1748,14 +1786,21 @@
 	struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
 	wait_queue_head_t *q = &dcc->discard_wait_queue;
 	struct discard_policy dpolicy;
-	unsigned int wait_ms = DEF_MIN_DISCARD_ISSUE_TIME;
+	unsigned int wait_ms = dcc->min_discard_issue_time;
 	int issued;
 
 	set_freezable();
 
 	do {
-		__init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
-					dcc->discard_granularity);
+		if (sbi->gc_mode == GC_URGENT_HIGH ||
+			!f2fs_available_free_memory(sbi, DISCARD_CACHE))
+			__init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
+		else
+			__init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
+						dcc->discard_granularity);
+
+		if (!atomic_read(&dcc->discard_cmd_cnt))
+		       wait_ms = dpolicy.max_interval;
 
 		wait_event_interruptible_timeout(*q,
 				kthread_should_stop() || freezing(current) ||
@@ -1779,9 +1824,8 @@
 			wait_ms = dpolicy.max_interval;
 			continue;
 		}
-
-		if (sbi->gc_mode == GC_URGENT_HIGH)
-			__init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
+		if (!atomic_read(&dcc->discard_cmd_cnt))
+			continue;
 
 		sb_start_intwrite(sbi->sb);
 
@@ -1789,7 +1833,7 @@
 		if (issued > 0) {
 			__wait_all_discard_cmd(sbi, &dpolicy);
 			wait_ms = dpolicy.min_interval;
-		} else if (issued == -1){
+		} else if (issued == -1) {
 			wait_ms = f2fs_time_to_wait(sbi, DISCARD_TIME);
 			if (!wait_ms)
 				wait_ms = dpolicy.mid_interval;
@@ -1884,7 +1928,8 @@
 		se = get_seg_entry(sbi, GET_SEGNO(sbi, i));
 		offset = GET_BLKOFF_FROM_SEG0(sbi, i);
 
-		if (!f2fs_test_and_set_bit(offset, se->discard_map))
+		if (f2fs_block_unit_discard(sbi) &&
+				!f2fs_test_and_set_bit(offset, se->discard_map))
 			sbi->discard_blks--;
 	}
 
@@ -1909,7 +1954,8 @@
 	struct list_head *head = &SM_I(sbi)->dcc_info->entry_list;
 	int i;
 
-	if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi))
+	if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi) ||
+			!f2fs_block_unit_discard(sbi))
 		return false;
 
 	if (!force) {
@@ -1940,7 +1986,7 @@
 
 		if (!de) {
 			de = f2fs_kmem_cache_alloc(discard_entry_slab,
-								GFP_F2FS_ZERO);
+						GFP_F2FS_ZERO, true, NULL);
 			de->start_blkaddr = START_BLOCK(sbi, cpc->trim_start);
 			list_add_tail(&de->list, head);
 		}
@@ -1994,14 +2040,18 @@
 	unsigned int start = 0, end = -1;
 	unsigned int secno, start_segno;
 	bool force = (cpc->reason & CP_DISCARD);
-	bool need_align = f2fs_lfs_mode(sbi) && __is_large_section(sbi);
+	bool section_alignment = F2FS_OPTION(sbi).discard_unit ==
+						DISCARD_UNIT_SECTION;
+
+	if (f2fs_lfs_mode(sbi) && __is_large_section(sbi))
+		section_alignment = true;
 
 	mutex_lock(&dirty_i->seglist_lock);
 
 	while (1) {
 		int i;
 
-		if (need_align && end != -1)
+		if (section_alignment && end != -1)
 			end--;
 		start = find_next_bit(prefree_map, MAIN_SEGS(sbi), end + 1);
 		if (start >= MAIN_SEGS(sbi))
@@ -2009,7 +2059,7 @@
 		end = find_next_zero_bit(prefree_map, MAIN_SEGS(sbi),
 								start + 1);
 
-		if (need_align) {
+		if (section_alignment) {
 			start = rounddown(start, sbi->segs_per_sec);
 			end = roundup(end, sbi->segs_per_sec);
 		}
@@ -2047,6 +2097,9 @@
 	}
 	mutex_unlock(&dirty_i->seglist_lock);
 
+	if (!f2fs_block_unit_discard(sbi))
+		goto wakeup;
+
 	/* send small discards */
 	list_for_each_entry_safe(entry, this, head, list) {
 		unsigned int cur_pos = 0, next_pos, len, total_len = 0;
@@ -2080,12 +2133,31 @@
 		dcc->nr_discards -= total_len;
 	}
 
+wakeup:
 	wake_up_discard_thread(sbi, false);
 }
 
+int f2fs_start_discard_thread(struct f2fs_sb_info *sbi)
+{
+	dev_t dev = sbi->sb->s_bdev->bd_dev;
+	struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
+	int err = 0;
+
+	if (!f2fs_realtime_discard_enable(sbi))
+		return 0;
+
+	dcc->f2fs_issue_discard = kthread_run(issue_discard_thread, sbi,
+				"f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev));
+	if (IS_ERR(dcc->f2fs_issue_discard)) {
+		err = PTR_ERR(dcc->f2fs_issue_discard);
+		dcc->f2fs_issue_discard = NULL;
+	}
+
+	return err;
+}
+
 static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
 {
-	dev_t dev = sbi->sb->s_bdev->bd_dev;
 	struct discard_cmd_control *dcc;
 	int err = 0, i;
 
@@ -2099,6 +2171,11 @@
 		return -ENOMEM;
 
 	dcc->discard_granularity = DEFAULT_DISCARD_GRANULARITY;
+	if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT)
+		dcc->discard_granularity = sbi->blocks_per_seg;
+	else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION)
+		dcc->discard_granularity = BLKS_PER_SEC(sbi);
+
 	INIT_LIST_HEAD(&dcc->entry_list);
 	for (i = 0; i < MAX_PLIST_NUM; i++)
 		INIT_LIST_HEAD(&dcc->pend_list[i]);
@@ -2110,6 +2187,10 @@
 	atomic_set(&dcc->discard_cmd_cnt, 0);
 	dcc->nr_discards = 0;
 	dcc->max_discards = MAIN_SEGS(sbi) << sbi->log_blocks_per_seg;
+	dcc->max_discard_request = DEF_MAX_DISCARD_REQUEST;
+	dcc->min_discard_issue_time = DEF_MIN_DISCARD_ISSUE_TIME;
+	dcc->mid_discard_issue_time = DEF_MID_DISCARD_ISSUE_TIME;
+	dcc->max_discard_issue_time = DEF_MAX_DISCARD_ISSUE_TIME;
 	dcc->undiscard_blks = 0;
 	dcc->next_pos = 0;
 	dcc->root = RB_ROOT_CACHED;
@@ -2118,13 +2199,10 @@
 	init_waitqueue_head(&dcc->discard_wait_queue);
 	SM_I(sbi)->dcc_info = dcc;
 init_thread:
-	dcc->f2fs_issue_discard = kthread_run(issue_discard_thread, sbi,
-				"f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev));
-	if (IS_ERR(dcc->f2fs_issue_discard)) {
-		err = PTR_ERR(dcc->f2fs_issue_discard);
+	err = f2fs_start_discard_thread(sbi);
+	if (err) {
 		kfree(dcc);
 		SM_I(sbi)->dcc_info = NULL;
-		return err;
 	}
 
 	return err;
@@ -2166,6 +2244,7 @@
 					unsigned int segno, int modified)
 {
 	struct seg_entry *se = get_seg_entry(sbi, segno);
+
 	se->type = type;
 	if (modified)
 		__mark_sit_entry_dirty(sbi, segno);
@@ -2245,7 +2324,8 @@
 			del = 0;
 		}
 
-		if (!f2fs_test_and_set_bit(offset, se->discard_map))
+		if (f2fs_block_unit_discard(sbi) &&
+				!f2fs_test_and_set_bit(offset, se->discard_map))
 			sbi->discard_blks--;
 
 		/*
@@ -2287,7 +2367,8 @@
 			}
 		}
 
-		if (f2fs_test_and_clear_bit(offset, se->discard_map))
+		if (f2fs_block_unit_discard(sbi) &&
+			f2fs_test_and_clear_bit(offset, se->discard_map))
 			sbi->discard_blks++;
 	}
 	if (!f2fs_test_bit(offset, se->ckpt_valid_map))
@@ -2312,6 +2393,7 @@
 		return;
 
 	invalidate_mapping_pages(META_MAPPING(sbi), addr, addr);
+	f2fs_invalidate_compress_page(sbi, addr);
 
 	/* add it into sit main buffer */
 	down_write(&sit_i->sentry_lock);
@@ -2357,6 +2439,7 @@
 {
 	struct curseg_info *curseg = CURSEG_I(sbi, type);
 	void *addr = curseg->sum_blk;
+
 	addr += curseg->next_blkoff * sizeof(struct f2fs_summary);
 	memcpy(addr, sum, sizeof(struct f2fs_summary));
 }
@@ -2575,6 +2658,8 @@
 	unsigned short seg_type = curseg->seg_type;
 
 	sanity_check_seg_type(sbi, seg_type);
+	if (f2fs_need_rand_seg(sbi))
+		return prandom_u32() % (MAIN_SECS(sbi) * sbi->segs_per_sec);
 
 	/* if segs_per_sec is large than 1, we need to keep original policy. */
 	if (__is_large_section(sbi))
@@ -2626,24 +2711,25 @@
 	curseg->next_segno = segno;
 	reset_curseg(sbi, type, 1);
 	curseg->alloc_type = LFS;
+	if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
+		curseg->fragment_remained_chunk =
+				prandom_u32() % sbi->max_fragment_chunk + 1;
 }
 
-static void __next_free_blkoff(struct f2fs_sb_info *sbi,
-			struct curseg_info *seg, block_t start)
+static int __next_free_blkoff(struct f2fs_sb_info *sbi,
+					int segno, block_t start)
 {
-	struct seg_entry *se = get_seg_entry(sbi, seg->segno);
+	struct seg_entry *se = get_seg_entry(sbi, segno);
 	int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
 	unsigned long *target_map = SIT_I(sbi)->tmp_map;
 	unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
 	unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
-	int i, pos;
+	int i;
 
 	for (i = 0; i < entries; i++)
 		target_map[i] = ckpt_map[i] | cur_map[i];
 
-	pos = __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
-
-	seg->next_blkoff = pos;
+	return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
 }
 
 /*
@@ -2654,27 +2740,27 @@
 static void __refresh_next_blkoff(struct f2fs_sb_info *sbi,
 				struct curseg_info *seg)
 {
-	if (seg->alloc_type == SSR)
-		__next_free_blkoff(sbi, seg, seg->next_blkoff + 1);
-	else
+	if (seg->alloc_type == SSR) {
+		seg->next_blkoff =
+			__next_free_blkoff(sbi, seg->segno,
+						seg->next_blkoff + 1);
+	} else {
 		seg->next_blkoff++;
+		if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK) {
+			/* To allocate block chunks in different sizes, use random number */
+			if (--seg->fragment_remained_chunk <= 0) {
+				seg->fragment_remained_chunk =
+				   prandom_u32() % sbi->max_fragment_chunk + 1;
+				seg->next_blkoff +=
+				   prandom_u32() % sbi->max_fragment_hole + 1;
+			}
+		}
+	}
 }
 
 bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
 {
-	struct seg_entry *se = get_seg_entry(sbi, segno);
-	int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
-	unsigned long *target_map = SIT_I(sbi)->tmp_map;
-	unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
-	unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
-	int i, pos;
-
-	for (i = 0; i < entries; i++)
-		target_map[i] = ckpt_map[i] | cur_map[i];
-
-	pos = __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, 0);
-
-	return pos < sbi->blocks_per_seg;
+	return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
 }
 
 /*
@@ -2702,7 +2788,7 @@
 
 	reset_curseg(sbi, type, 1);
 	curseg->alloc_type = SSR;
-	__next_free_blkoff(sbi, curseg, 0);
+	curseg->next_blkoff = __next_free_blkoff(sbi, curseg->segno, 0);
 
 	sum_page = f2fs_get_sum_page(sbi, new_segno);
 	if (IS_ERR(sum_page)) {
@@ -2746,7 +2832,7 @@
 	if (!sbi->am.atgc_enabled)
 		return;
 
-	down_read(&SM_I(sbi)->curseg_lock);
+	f2fs_down_read(&SM_I(sbi)->curseg_lock);
 
 	mutex_lock(&curseg->curseg_mutex);
 	down_write(&SIT_I(sbi)->sentry_lock);
@@ -2756,7 +2842,7 @@
 	up_write(&SIT_I(sbi)->sentry_lock);
 	mutex_unlock(&curseg->curseg_mutex);
 
-	up_read(&SM_I(sbi)->curseg_lock);
+	f2fs_up_read(&SM_I(sbi)->curseg_lock);
 
 }
 void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi)
@@ -2907,7 +2993,7 @@
 	struct curseg_info *curseg = CURSEG_I(sbi, type);
 	unsigned int segno;
 
-	down_read(&SM_I(sbi)->curseg_lock);
+	f2fs_down_read(&SM_I(sbi)->curseg_lock);
 	mutex_lock(&curseg->curseg_mutex);
 	down_write(&SIT_I(sbi)->sentry_lock);
 
@@ -2931,11 +3017,11 @@
 			    type, segno, curseg->segno);
 
 	mutex_unlock(&curseg->curseg_mutex);
-	up_read(&SM_I(sbi)->curseg_lock);
+	f2fs_up_read(&SM_I(sbi)->curseg_lock);
 }
 
 static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
-								bool new_sec)
+						bool new_sec, bool force)
 {
 	struct curseg_info *curseg = CURSEG_I(sbi, type);
 	unsigned int old_segno;
@@ -2943,7 +3029,7 @@
 	if (!curseg->inited)
 		goto alloc;
 
-	if (curseg->next_blkoff ||
+	if (force || curseg->next_blkoff ||
 		get_valid_blocks(sbi, curseg->segno, new_sec))
 		goto alloc;
 
@@ -2955,30 +3041,31 @@
 	locate_dirty_segment(sbi, old_segno);
 }
 
-static void __allocate_new_section(struct f2fs_sb_info *sbi, int type)
+static void __allocate_new_section(struct f2fs_sb_info *sbi,
+						int type, bool force)
 {
-	__allocate_new_segment(sbi, type, true);
+	__allocate_new_segment(sbi, type, true, force);
 }
 
-void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type)
+void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force)
 {
-	down_read(&SM_I(sbi)->curseg_lock);
+	f2fs_down_read(&SM_I(sbi)->curseg_lock);
 	down_write(&SIT_I(sbi)->sentry_lock);
-	__allocate_new_section(sbi, type);
+	__allocate_new_section(sbi, type, force);
 	up_write(&SIT_I(sbi)->sentry_lock);
-	up_read(&SM_I(sbi)->curseg_lock);
+	f2fs_up_read(&SM_I(sbi)->curseg_lock);
 }
 
 void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
 {
 	int i;
 
-	down_read(&SM_I(sbi)->curseg_lock);
+	f2fs_down_read(&SM_I(sbi)->curseg_lock);
 	down_write(&SIT_I(sbi)->sentry_lock);
 	for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
-		__allocate_new_segment(sbi, i, false);
+		__allocate_new_segment(sbi, i, false, false);
 	up_write(&SIT_I(sbi)->sentry_lock);
-	up_read(&SM_I(sbi)->curseg_lock);
+	f2fs_up_read(&SM_I(sbi)->curseg_lock);
 }
 
 static const struct segment_allocation default_salloc_ops = {
@@ -3057,7 +3144,7 @@
 			blk_finish_plug(&plug);
 			mutex_unlock(&dcc->cmd_lock);
 			trimmed += __wait_all_discard_cmd(sbi, NULL);
-			congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
+			f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 			goto next;
 		}
 skip:
@@ -3116,9 +3203,9 @@
 	if (sbi->discard_blks == 0)
 		goto out;
 
-	down_write(&sbi->gc_lock);
+	f2fs_down_write(&sbi->gc_lock);
 	err = f2fs_write_checkpoint(sbi, &cpc);
-	up_write(&sbi->gc_lock);
+	f2fs_up_write(&sbi->gc_lock);
 	if (err)
 		goto out;
 
@@ -3290,13 +3377,18 @@
 	if (fio->type == DATA) {
 		struct inode *inode = fio->page->mapping->host;
 
-		if (is_cold_data(fio->page)) {
-			if (fio->sbi->am.atgc_enabled)
+		if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
+			return CURSEG_COLD_DATA_PINNED;
+
+		if (page_private_gcing(fio->page)) {
+			if (fio->sbi->am.atgc_enabled &&
+				(fio->io_type == FS_DATA_IO) &&
+				(fio->sbi->gc_mode != GC_URGENT_HIGH))
 				return CURSEG_ALL_DATA_ATGC;
 			else
 				return CURSEG_COLD_DATA;
 		}
-		if (file_is_cold(inode) || f2fs_compressed_file(inode))
+		if (file_is_cold(inode) || f2fs_need_compress_data(inode))
 			return CURSEG_COLD_DATA;
 		if (file_is_hot(inode) ||
 				is_inode_flag_set(inode, FI_HOT_DATA) ||
@@ -3350,7 +3442,7 @@
 	bool from_gc = (type == CURSEG_ALL_DATA_ATGC);
 	struct seg_entry *se = NULL;
 
-	down_read(&SM_I(sbi)->curseg_lock);
+	f2fs_down_read(&SM_I(sbi)->curseg_lock);
 
 	mutex_lock(&curseg->curseg_mutex);
 	down_write(&sit_i->sentry_lock);
@@ -3433,27 +3525,33 @@
 
 	mutex_unlock(&curseg->curseg_mutex);
 
-	up_read(&SM_I(sbi)->curseg_lock);
+	f2fs_up_read(&SM_I(sbi)->curseg_lock);
 }
 
-static void update_device_state(struct f2fs_io_info *fio)
+void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino,
+					block_t blkaddr, unsigned int blkcnt)
 {
-	struct f2fs_sb_info *sbi = fio->sbi;
-	unsigned int devidx;
-
 	if (!f2fs_is_multi_device(sbi))
 		return;
 
-	devidx = f2fs_target_device_index(sbi, fio->new_blkaddr);
+	while (1) {
+		unsigned int devidx = f2fs_target_device_index(sbi, blkaddr);
+		unsigned int blks = FDEV(devidx).end_blk - blkaddr + 1;
 
-	/* update device state for fsync */
-	f2fs_set_dirty_device(sbi, fio->ino, devidx, FLUSH_INO);
+		/* update device state for fsync */
+		f2fs_set_dirty_device(sbi, ino, devidx, FLUSH_INO);
 
-	/* update device state for checkpoint */
-	if (!f2fs_test_bit(devidx, (char *)&sbi->dirty_device)) {
-		spin_lock(&sbi->dev_lock);
-		f2fs_set_bit(devidx, (char *)&sbi->dirty_device);
-		spin_unlock(&sbi->dev_lock);
+		/* update device state for checkpoint */
+		if (!f2fs_test_bit(devidx, (char *)&sbi->dirty_device)) {
+			spin_lock(&sbi->dev_lock);
+			f2fs_set_bit(devidx, (char *)&sbi->dirty_device);
+			spin_unlock(&sbi->dev_lock);
+		}
+
+		if (blkcnt <= blks)
+			break;
+		blkcnt -= blks;
+		blkaddr += blks;
 	}
 }
 
@@ -3463,13 +3561,15 @@
 	bool keep_order = (f2fs_lfs_mode(fio->sbi) && type == CURSEG_COLD_DATA);
 
 	if (keep_order)
-		down_read(&fio->sbi->io_order_lock);
+		f2fs_down_read(&fio->sbi->io_order_lock);
 reallocate:
 	f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
 			&fio->new_blkaddr, sum, type, fio);
-	if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO)
+	if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO) {
 		invalidate_mapping_pages(META_MAPPING(fio->sbi),
 					fio->old_blkaddr, fio->old_blkaddr);
+		f2fs_invalidate_compress_page(fio->sbi, fio->old_blkaddr);
+	}
 
 	/* writeout dirty page into bdev */
 	f2fs_submit_page_write(fio);
@@ -3478,10 +3578,10 @@
 		goto reallocate;
 	}
 
-	update_device_state(fio);
+	f2fs_update_device_state(fio->sbi, fio->ino, fio->new_blkaddr, 1);
 
 	if (keep_order)
-		up_read(&fio->sbi->io_order_lock);
+		f2fs_up_read(&fio->sbi->io_order_lock);
 }
 
 void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
@@ -3551,9 +3651,18 @@
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		f2fs_warn(sbi, "%s: incorrect segment(%u) type, run fsck to fix.",
 			  __func__, segno);
-		return -EFSCORRUPTED;
+		err = -EFSCORRUPTED;
+		goto drop_bio;
 	}
 
+	if (f2fs_cp_error(sbi)) {
+		err = -EIO;
+		goto drop_bio;
+	}
+
+	invalidate_mapping_pages(META_MAPPING(sbi),
+				fio->new_blkaddr, fio->new_blkaddr);
+
 	stat_inc_inplace_blocks(fio->sbi);
 
 	if (fio->bio && !(SM_I(sbi)->ipu_policy & (1 << F2FS_IPU_NOCACHE)))
@@ -3561,11 +3670,21 @@
 	else
 		err = f2fs_submit_page_bio(fio);
 	if (!err) {
-		update_device_state(fio);
+		f2fs_update_device_state(fio->sbi, fio->ino,
+						fio->new_blkaddr, 1);
 		f2fs_update_iostat(fio->sbi, fio->io_type, F2FS_BLKSIZE);
 	}
 
 	return err;
+drop_bio:
+	if (fio->bio && *(fio->bio)) {
+		struct bio *bio = *(fio->bio);
+
+		bio->bi_status = BLK_STS_IOERR;
+		bio_endio(bio);
+		*(fio->bio) = NULL;
+	}
+	return err;
 }
 
 static inline int __f2fs_get_curseg(struct f2fs_sb_info *sbi,
@@ -3591,12 +3710,13 @@
 	struct seg_entry *se;
 	int type;
 	unsigned short old_blkoff;
+	unsigned char old_alloc_type;
 
 	segno = GET_SEGNO(sbi, new_blkaddr);
 	se = get_seg_entry(sbi, segno);
 	type = se->type;
 
-	down_write(&SM_I(sbi)->curseg_lock);
+	f2fs_down_write(&SM_I(sbi)->curseg_lock);
 
 	if (!recover_curseg) {
 		/* for recovery flow */
@@ -3624,6 +3744,7 @@
 
 	old_cursegno = curseg->segno;
 	old_blkoff = curseg->next_blkoff;
+	old_alloc_type = curseg->alloc_type;
 
 	/* change the current segment */
 	if (segno != curseg->segno) {
@@ -3642,6 +3763,7 @@
 	if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) {
 		invalidate_mapping_pages(META_MAPPING(sbi),
 					old_blkaddr, old_blkaddr);
+		f2fs_invalidate_compress_page(sbi, old_blkaddr);
 		if (!from_gc)
 			update_segment_mtime(sbi, old_blkaddr, 0);
 		update_sit_entry(sbi, old_blkaddr, -1);
@@ -3658,11 +3780,12 @@
 			change_curseg(sbi, type, true);
 		}
 		curseg->next_blkoff = old_blkoff;
+		curseg->alloc_type = old_alloc_type;
 	}
 
 	up_write(&sit_i->sentry_lock);
 	mutex_unlock(&curseg->curseg_mutex);
-	up_write(&SM_I(sbi)->curseg_lock);
+	f2fs_up_write(&SM_I(sbi)->curseg_lock);
 }
 
 void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
@@ -3769,6 +3892,7 @@
 
 		for (j = 0; j < blk_off; j++) {
 			struct f2fs_summary *s;
+
 			s = (struct f2fs_summary *)(kaddr + offset);
 			seg_i->sum_blk->entries[j] = *s;
 			offset += SUMMARY_SIZE;
@@ -3831,6 +3955,7 @@
 		if (__exist_node_summaries(sbi)) {
 			struct f2fs_summary *ns = &sum->entries[0];
 			int i;
+
 			for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
 				ns->version = 0;
 				ns->ofs_in_node = 0;
@@ -3898,7 +4023,7 @@
 	/* sanity check for summary blocks */
 	if (nats_in_cursum(nat_j) > NAT_JOURNAL_ENTRIES ||
 			sits_in_cursum(sit_j) > SIT_JOURNAL_ENTRIES) {
-		f2fs_err(sbi, "invalid journal entries nats %u sits %u\n",
+		f2fs_err(sbi, "invalid journal entries nats %u sits %u",
 			 nats_in_cursum(nat_j), sits_in_cursum(sit_j));
 		return -EINVAL;
 	}
@@ -3932,6 +4057,7 @@
 	/* Step 3: write summary entries */
 	for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
 		unsigned short blkoff;
+
 		seg_i = CURSEG_I(sbi, i);
 		if (sbi->ckpt->alloc_type[i] == SSR)
 			blkoff = sbi->blocks_per_seg;
@@ -3968,6 +4094,7 @@
 					block_t blkaddr, int type)
 {
 	int i, end;
+
 	if (IS_DATASEG(type))
 		end = type + NR_CURSEG_DATA_TYPE;
 	else
@@ -4040,7 +4167,8 @@
 static struct sit_entry_set *grab_sit_entry_set(void)
 {
 	struct sit_entry_set *ses =
-			f2fs_kmem_cache_alloc(sit_entry_set_slab, GFP_NOFS);
+			f2fs_kmem_cache_alloc(sit_entry_set_slab,
+						GFP_NOFS, true, NULL);
 
 	ses->entry_cnt = 0;
 	INIT_LIST_HEAD(&ses->set_list);
@@ -4251,6 +4379,7 @@
 	unsigned int sit_segs, start;
 	char *src_bitmap, *bitmap;
 	unsigned int bitmap_size, main_bitmap_size, sit_bitmap_size;
+	unsigned int discard_map = f2fs_block_unit_discard(sbi) ? 1 : 0;
 
 	/* allocate memory for SIT information */
 	sit_i = f2fs_kzalloc(sbi, sizeof(struct sit_info), GFP_KERNEL);
@@ -4273,9 +4402,9 @@
 		return -ENOMEM;
 
 #ifdef CONFIG_F2FS_CHECK_FS
-	bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * 4;
+	bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * (3 + discard_map);
 #else
-	bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * 3;
+	bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * (2 + discard_map);
 #endif
 	sit_i->bitmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL);
 	if (!sit_i->bitmap)
@@ -4295,8 +4424,10 @@
 		bitmap += SIT_VBLOCK_MAP_SIZE;
 #endif
 
-		sit_i->sentries[start].discard_map = bitmap;
-		bitmap += SIT_VBLOCK_MAP_SIZE;
+		if (discard_map) {
+			sit_i->sentries[start].discard_map = bitmap;
+			bitmap += SIT_VBLOCK_MAP_SIZE;
+		}
 	}
 
 	sit_i->tmp_map = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
@@ -4464,17 +4595,19 @@
 
 			sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;
 
-			/* build discard map only one time */
-			if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
-				memset(se->discard_map, 0xff,
-					SIT_VBLOCK_MAP_SIZE);
-			} else {
-				memcpy(se->discard_map,
-					se->cur_valid_map,
-					SIT_VBLOCK_MAP_SIZE);
-				sbi->discard_blks +=
-					sbi->blocks_per_seg -
-					se->valid_blocks;
+			if (f2fs_block_unit_discard(sbi)) {
+				/* build discard map only one time */
+				if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+					memset(se->discard_map, 0xff,
+						SIT_VBLOCK_MAP_SIZE);
+				} else {
+					memcpy(se->discard_map,
+						se->cur_valid_map,
+						SIT_VBLOCK_MAP_SIZE);
+					sbi->discard_blks +=
+						sbi->blocks_per_seg -
+						se->valid_blocks;
+				}
 			}
 
 			if (__is_large_section(sbi))
@@ -4517,13 +4650,15 @@
 
 		sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;
 
-		if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
-			memset(se->discard_map, 0xff, SIT_VBLOCK_MAP_SIZE);
-		} else {
-			memcpy(se->discard_map, se->cur_valid_map,
-						SIT_VBLOCK_MAP_SIZE);
-			sbi->discard_blks += old_valid_blocks;
-			sbi->discard_blks -= se->valid_blocks;
+		if (f2fs_block_unit_discard(sbi)) {
+			if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+				memset(se->discard_map, 0xff, SIT_VBLOCK_MAP_SIZE);
+			} else {
+				memcpy(se->discard_map, se->cur_valid_map,
+							SIT_VBLOCK_MAP_SIZE);
+				sbi->discard_blks += old_valid_blocks;
+				sbi->discard_blks -= se->valid_blocks;
+			}
 		}
 
 		if (__is_large_section(sbi)) {
@@ -4575,6 +4710,7 @@
 	/* set use the current segments */
 	for (type = CURSEG_HOT_DATA; type <= CURSEG_COLD_NODE; type++) {
 		struct curseg_info *curseg_t = CURSEG_I(sbi, type);
+
 		__set_test_and_inuse(sbi, curseg_t->segno);
 	}
 }
@@ -4631,6 +4767,13 @@
 	dirty_i->victim_secmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL);
 	if (!dirty_i->victim_secmap)
 		return -ENOMEM;
+
+	dirty_i->pinned_secmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL);
+	if (!dirty_i->pinned_secmap)
+		return -ENOMEM;
+
+	dirty_i->pinned_secmap_cnt = 0;
+	dirty_i->enable_pin_section = true;
 	return 0;
 }
 
@@ -4682,6 +4825,10 @@
 		struct seg_entry *se = get_seg_entry(sbi, curseg->segno);
 		unsigned int blkofs = curseg->next_blkoff;
 
+		if (f2fs_sb_has_readonly(sbi) &&
+			i != CURSEG_HOT_DATA && i != CURSEG_HOT_NODE)
+			continue;
+
 		sanity_check_seg_type(sbi, curseg->seg_type);
 
 		if (curseg->alloc_type != LFS && curseg->alloc_type != SSR) {
@@ -4814,7 +4961,8 @@
 }
 
 static int report_one_zone_cb(struct blk_zone *zone, unsigned int idx,
-			      void *data) {
+			      void *data)
+{
 	memcpy(data, zone, sizeof(struct blk_zone));
 	return 0;
 }
@@ -4866,7 +5014,8 @@
 
 	f2fs_notice(sbi, "Assign new section to curseg[%d]: "
 		    "curseg[0x%x,0x%x]", type, cs->segno, cs->next_blkoff);
-	allocate_segment_by_default(sbi, type, true);
+
+	f2fs_allocate_new_section(sbi, type, true);
 
 	/* check consistency of the zone curseg pointed to */
 	if (check_zone_write_pointer(sbi, zbd, &zone))
@@ -4930,8 +5079,10 @@
 };
 
 static int check_zone_write_pointer_cb(struct blk_zone *zone, unsigned int idx,
-				      void *data) {
+				      void *data)
+{
 	struct check_zone_write_pointer_args *args;
+
 	args = (struct check_zone_write_pointer_args *)data;
 
 	return check_zone_write_pointer(args->sbi, args->fdev, zone);
@@ -5086,13 +5237,13 @@
 		sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC;
 	sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
 	sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
-	sm_info->min_seq_blocks = sbi->blocks_per_seg * sbi->segs_per_sec;
+	sm_info->min_seq_blocks = sbi->blocks_per_seg;
 	sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS;
 	sm_info->min_ssr_sections = reserved_sections(sbi);
 
 	INIT_LIST_HEAD(&sm_info->sit_entry_set);
 
-	init_rwsem(&sm_info->curseg_lock);
+	init_f2fs_rwsem(&sm_info->curseg_lock);
 
 	if (!f2fs_readonly(sbi->sb)) {
 		err = f2fs_create_flush_cmd_control(sbi);
@@ -5146,6 +5297,8 @@
 static void destroy_victim_secmap(struct f2fs_sb_info *sbi)
 {
 	struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
+
+	kvfree(dirty_i->pinned_secmap);
 	kvfree(dirty_i->victim_secmap);
 }
 
@@ -5190,6 +5343,7 @@
 static void destroy_free_segmap(struct f2fs_sb_info *sbi)
 {
 	struct free_segmap_info *free_i = SM_I(sbi)->free_info;
+
 	if (!free_i)
 		return;
 	SM_I(sbi)->free_info = NULL;
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 979296b..3da406a 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -149,7 +149,7 @@
 };
 
 /*
- * In the victim_sel_policy->alloc_mode, there are two block allocation modes.
+ * In the victim_sel_policy->alloc_mode, there are three block allocation modes.
  * LFS writes data sequentially with cleaning operations.
  * SSR (Slack Space Recycle) reuses obsolete space without cleaning operations.
  * AT_SSR (Age Threshold based Slack Space Recycle) merges fragments into
@@ -162,7 +162,7 @@
 };
 
 /*
- * In the victim_sel_policy->gc_mode, there are two gc, aka cleaning, modes.
+ * In the victim_sel_policy->gc_mode, there are three gc, aka cleaning, modes.
  * GC_CB is based on cost-benefit algorithm.
  * GC_GREEDY is based on greedy algorithm.
  * GC_AT is based on age-threshold algorithm.
@@ -179,12 +179,10 @@
 /*
  * BG_GC means the background cleaning job.
  * FG_GC means the on-demand cleaning job.
- * FORCE_FG_GC means on-demand cleaning job in background.
  */
 enum {
 	BG_GC = 0,
 	FG_GC,
-	FORCE_FG_GC,
 };
 
 /* for a function parameter to select a victim segment */
@@ -303,6 +301,9 @@
 	struct mutex seglist_lock;		/* lock for segment bitmaps */
 	int nr_dirty[NR_DIRTY_TYPE];		/* # of dirty segments */
 	unsigned long *victim_secmap;		/* background GC victims */
+	unsigned long *pinned_secmap;		/* pinned victims from foreground GC */
+	unsigned int pinned_secmap_cnt;		/* count of victims which has pinned data */
+	bool enable_pin_section;		/* enable pinning section */
 };
 
 /* victim selection function for cleaning and SSR */
@@ -323,6 +324,7 @@
 	unsigned short next_blkoff;		/* next block offset to write */
 	unsigned int zone;			/* current zone number */
 	unsigned int next_segno;		/* preallocated segment */
+	int fragment_remained_chunk;		/* remained block size in a chunk for block fragmentation mode */
 	bool inited;				/* indicate inmem log is inited */
 };
 
@@ -667,7 +669,9 @@
  *                     pages over min_fsync_blocks. (=default option)
  * F2FS_IPU_ASYNC - do IPU given by asynchronous write requests.
  * F2FS_IPU_NOCACHE - disable IPU bio cache.
- * F2FS_IPUT_DISABLE - disable IPU. (=default option in LFS mode)
+ * F2FS_IPU_HONOR_OPU_WRITE - use OPU write prior to IPU write if inode has
+ *                            FI_OPU_WRITE flag.
+ * F2FS_IPU_DISABLE - disable IPU. (=default option in LFS mode)
  */
 #define DEF_MIN_IPU_UTIL	70
 #define DEF_MIN_FSYNC_BLOCKS	8
@@ -683,6 +687,7 @@
 	F2FS_IPU_FSYNC,
 	F2FS_IPU_ASYNC,
 	F2FS_IPU_NOCACHE,
+	F2FS_IPU_HONOR_OPU_WRITE,
 };
 
 static inline unsigned int curseg_segno(struct f2fs_sb_info *sbi,
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 9a74d60..7d7dc90 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -25,13 +25,15 @@
 #include <linux/quota.h>
 #include <linux/unicode.h>
 #include <linux/part_stat.h>
+#include <linux/zstd.h>
+#include <linux/lz4.h>
 
 #include "f2fs.h"
 #include "node.h"
 #include "segment.h"
 #include "xattr.h"
 #include "gc.h"
-#include "trace.h"
+#include "iostat.h"
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/f2fs.h>
@@ -45,7 +47,6 @@
 	[FAULT_KVMALLOC]	= "kvmalloc",
 	[FAULT_PAGE_ALLOC]	= "page alloc",
 	[FAULT_PAGE_GET]	= "page get",
-	[FAULT_ALLOC_BIO]	= "alloc bio",
 	[FAULT_ALLOC_NID]	= "alloc nid",
 	[FAULT_ORPHAN]		= "orphan",
 	[FAULT_BLOCK]		= "no more block",
@@ -56,6 +57,9 @@
 	[FAULT_CHECKPOINT]	= "checkpoint error",
 	[FAULT_DISCARD]		= "discard error",
 	[FAULT_WRITE_IO]	= "write IO error",
+	[FAULT_SLAB_ALLOC]	= "slab alloc",
+	[FAULT_DQUOT_INIT]	= "dquot initialize",
+	[FAULT_LOCK_OP]		= "lock_op",
 };
 
 void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
@@ -143,10 +147,20 @@
 	Opt_checkpoint_disable_cap,
 	Opt_checkpoint_disable_cap_perc,
 	Opt_checkpoint_enable,
+	Opt_checkpoint_merge,
+	Opt_nocheckpoint_merge,
 	Opt_compress_algorithm,
 	Opt_compress_log_size,
 	Opt_compress_extension,
+	Opt_nocompress_extension,
+	Opt_compress_chksum,
+	Opt_compress_mode,
+	Opt_compress_cache,
 	Opt_atgc,
+	Opt_gc_merge,
+	Opt_nogc_merge,
+	Opt_discard_unit,
+	Opt_memory_mode,
 	Opt_err,
 };
 
@@ -211,10 +225,20 @@
 	{Opt_checkpoint_disable_cap, "checkpoint=disable:%u"},
 	{Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"},
 	{Opt_checkpoint_enable, "checkpoint=enable"},
+	{Opt_checkpoint_merge, "checkpoint_merge"},
+	{Opt_nocheckpoint_merge, "nocheckpoint_merge"},
 	{Opt_compress_algorithm, "compress_algorithm=%s"},
 	{Opt_compress_log_size, "compress_log_size=%u"},
 	{Opt_compress_extension, "compress_extension=%s"},
+	{Opt_nocompress_extension, "nocompress_extension=%s"},
+	{Opt_compress_chksum, "compress_chksum"},
+	{Opt_compress_mode, "compress_mode=%s"},
+	{Opt_compress_cache, "compress_cache"},
 	{Opt_atgc, "atgc"},
+	{Opt_gc_merge, "gc_merge"},
+	{Opt_nogc_merge, "nogc_merge"},
+	{Opt_discard_unit, "discard_unit=%s"},
+	{Opt_memory_mode, "memory=%s"},
 	{Opt_err, NULL},
 };
 
@@ -263,6 +287,24 @@
 
 	return 0;
 }
+
+struct kmem_cache *f2fs_cf_name_slab;
+static int __init f2fs_create_casefold_cache(void)
+{
+	f2fs_cf_name_slab = f2fs_kmem_cache_create("f2fs_casefolded_name",
+							F2FS_NAME_LEN);
+	if (!f2fs_cf_name_slab)
+		return -ENOMEM;
+	return 0;
+}
+
+static void f2fs_destroy_casefold_cache(void)
+{
+	kmem_cache_destroy(f2fs_cf_name_slab);
+}
+#else
+static int __init f2fs_create_casefold_cache(void) { return 0; }
+static void f2fs_destroy_casefold_cache(void) { }
 #endif
 
 static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
@@ -500,13 +542,119 @@
 	return 0;
 }
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+/*
+ * 1. The same extension name cannot not appear in both compress and non-compress extension
+ * at the same time.
+ * 2. If the compress extension specifies all files, the types specified by the non-compress
+ * extension will be treated as special cases and will not be compressed.
+ * 3. Don't allow the non-compress extension specifies all files.
+ */
+static int f2fs_test_compress_extension(struct f2fs_sb_info *sbi)
+{
+	unsigned char (*ext)[F2FS_EXTENSION_LEN];
+	unsigned char (*noext)[F2FS_EXTENSION_LEN];
+	int ext_cnt, noext_cnt, index = 0, no_index = 0;
+
+	ext = F2FS_OPTION(sbi).extensions;
+	ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
+	noext = F2FS_OPTION(sbi).noextensions;
+	noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
+
+	if (!noext_cnt)
+		return 0;
+
+	for (no_index = 0; no_index < noext_cnt; no_index++) {
+		if (!strcasecmp("*", noext[no_index])) {
+			f2fs_info(sbi, "Don't allow the nocompress extension specifies all files");
+			return -EINVAL;
+		}
+		for (index = 0; index < ext_cnt; index++) {
+			if (!strcasecmp(ext[index], noext[no_index])) {
+				f2fs_info(sbi, "Don't allow the same extension %s appear in both compress and nocompress extension",
+						ext[index]);
+				return -EINVAL;
+			}
+		}
+	}
+	return 0;
+}
+
+#ifdef CONFIG_F2FS_FS_LZ4
+static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str)
+{
+#ifdef CONFIG_F2FS_FS_LZ4HC
+	unsigned int level;
+#endif
+
+	if (strlen(str) == 3) {
+		F2FS_OPTION(sbi).compress_level = 0;
+		return 0;
+	}
+
+#ifdef CONFIG_F2FS_FS_LZ4HC
+	str += 3;
+
+	if (str[0] != ':') {
+		f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>");
+		return -EINVAL;
+	}
+	if (kstrtouint(str + 1, 10, &level))
+		return -EINVAL;
+
+	if (level < LZ4HC_MIN_CLEVEL || level > LZ4HC_MAX_CLEVEL) {
+		f2fs_info(sbi, "invalid lz4hc compress level: %d", level);
+		return -EINVAL;
+	}
+
+	F2FS_OPTION(sbi).compress_level = level;
+	return 0;
+#else
+	f2fs_info(sbi, "kernel doesn't support lz4hc compression");
+	return -EINVAL;
+#endif
+}
+#endif
+
+#ifdef CONFIG_F2FS_FS_ZSTD
+static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str)
+{
+	unsigned int level;
+	int len = 4;
+
+	if (strlen(str) == len) {
+		F2FS_OPTION(sbi).compress_level = 0;
+		return 0;
+	}
+
+	str += len;
+
+	if (str[0] != ':') {
+		f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>");
+		return -EINVAL;
+	}
+	if (kstrtouint(str + 1, 10, &level))
+		return -EINVAL;
+
+	if (!level || level > ZSTD_maxCLevel()) {
+		f2fs_info(sbi, "invalid zstd compress level: %d", level);
+		return -EINVAL;
+	}
+
+	F2FS_OPTION(sbi).compress_level = level;
+	return 0;
+}
+#endif
+#endif
+
 static int parse_options(struct super_block *sb, char *options, bool is_remount)
 {
 	struct f2fs_sb_info *sbi = F2FS_SB(sb);
 	substring_t args[MAX_OPT_ARGS];
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	unsigned char (*ext)[F2FS_EXTENSION_LEN];
-	int ext_cnt;
+	unsigned char (*noext)[F2FS_EXTENSION_LEN];
+	int ext_cnt, noext_cnt;
 #endif
 	char *p, *name;
 	int arg = 0;
@@ -515,10 +663,11 @@
 	int ret;
 
 	if (!options)
-		return 0;
+		goto default_check;
 
 	while ((p = strsep(&options, ",")) != NULL) {
 		int token;
+
 		if (!*p)
 			continue;
 		/*
@@ -556,10 +705,14 @@
 				return -EINVAL;
 			break;
 		case Opt_discard:
+			if (!f2fs_hw_support_discard(sbi)) {
+				f2fs_warn(sbi, "device does not support discard");
+				break;
+			}
 			set_opt(sbi, DISCARD);
 			break;
 		case Opt_nodiscard:
-			if (f2fs_sb_has_blkzoned(sbi)) {
+			if (f2fs_hw_should_discard(sbi)) {
 				f2fs_warn(sbi, "discard is required for zoned block devices");
 				return -EINVAL;
 			}
@@ -708,6 +861,10 @@
 				F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE;
 			} else if (!strcmp(name, "lfs")) {
 				F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS;
+			} else if (!strcmp(name, "fragment:segment")) {
+				F2FS_OPTION(sbi).fs_mode = FS_MODE_FRAGMENT_SEG;
+			} else if (!strcmp(name, "fragment:block")) {
+				F2FS_OPTION(sbi).fs_mode = FS_MODE_FRAGMENT_BLK;
 			} else {
 				kfree(name);
 				return -EINVAL;
@@ -908,6 +1065,12 @@
 		case Opt_checkpoint_enable:
 			clear_opt(sbi, DISABLE_CHECKPOINT);
 			break;
+		case Opt_checkpoint_merge:
+			set_opt(sbi, MERGE_CHECKPOINT);
+			break;
+		case Opt_nocheckpoint_merge:
+			clear_opt(sbi, MERGE_CHECKPOINT);
+			break;
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 		case Opt_compress_algorithm:
 			if (!f2fs_sb_has_compression(sbi)) {
@@ -918,17 +1081,45 @@
 			if (!name)
 				return -ENOMEM;
 			if (!strcmp(name, "lzo")) {
+#ifdef CONFIG_F2FS_FS_LZO
+				F2FS_OPTION(sbi).compress_level = 0;
 				F2FS_OPTION(sbi).compress_algorithm =
 								COMPRESS_LZO;
-			} else if (!strcmp(name, "lz4")) {
+#else
+				f2fs_info(sbi, "kernel doesn't support lzo compression");
+#endif
+			} else if (!strncmp(name, "lz4", 3)) {
+#ifdef CONFIG_F2FS_FS_LZ4
+				ret = f2fs_set_lz4hc_level(sbi, name);
+				if (ret) {
+					kfree(name);
+					return -EINVAL;
+				}
 				F2FS_OPTION(sbi).compress_algorithm =
 								COMPRESS_LZ4;
-			} else if (!strcmp(name, "zstd")) {
+#else
+				f2fs_info(sbi, "kernel doesn't support lz4 compression");
+#endif
+			} else if (!strncmp(name, "zstd", 4)) {
+#ifdef CONFIG_F2FS_FS_ZSTD
+				ret = f2fs_set_zstd_level(sbi, name);
+				if (ret) {
+					kfree(name);
+					return -EINVAL;
+				}
 				F2FS_OPTION(sbi).compress_algorithm =
 								COMPRESS_ZSTD;
+#else
+				f2fs_info(sbi, "kernel doesn't support zstd compression");
+#endif
 			} else if (!strcmp(name, "lzo-rle")) {
+#ifdef CONFIG_F2FS_FS_LZORLE
+				F2FS_OPTION(sbi).compress_level = 0;
 				F2FS_OPTION(sbi).compress_algorithm =
 								COMPRESS_LZORLE;
+#else
+				f2fs_info(sbi, "kernel doesn't support lzorle compression");
+#endif
 			} else {
 				kfree(name);
 				return -EINVAL;
@@ -974,22 +1165,112 @@
 			F2FS_OPTION(sbi).compress_ext_cnt++;
 			kfree(name);
 			break;
+		case Opt_nocompress_extension:
+			if (!f2fs_sb_has_compression(sbi)) {
+				f2fs_info(sbi, "Image doesn't support compression");
+				break;
+			}
+			name = match_strdup(&args[0]);
+			if (!name)
+				return -ENOMEM;
+
+			noext = F2FS_OPTION(sbi).noextensions;
+			noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
+
+			if (strlen(name) >= F2FS_EXTENSION_LEN ||
+				noext_cnt >= COMPRESS_EXT_NUM) {
+				f2fs_err(sbi,
+					"invalid extension length/number");
+				kfree(name);
+				return -EINVAL;
+			}
+
+			strcpy(noext[noext_cnt], name);
+			F2FS_OPTION(sbi).nocompress_ext_cnt++;
+			kfree(name);
+			break;
+		case Opt_compress_chksum:
+			F2FS_OPTION(sbi).compress_chksum = true;
+			break;
+		case Opt_compress_mode:
+			name = match_strdup(&args[0]);
+			if (!name)
+				return -ENOMEM;
+			if (!strcmp(name, "fs")) {
+				F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS;
+			} else if (!strcmp(name, "user")) {
+				F2FS_OPTION(sbi).compress_mode = COMPR_MODE_USER;
+			} else {
+				kfree(name);
+				return -EINVAL;
+			}
+			kfree(name);
+			break;
+		case Opt_compress_cache:
+			set_opt(sbi, COMPRESS_CACHE);
+			break;
 #else
 		case Opt_compress_algorithm:
 		case Opt_compress_log_size:
 		case Opt_compress_extension:
+		case Opt_nocompress_extension:
+		case Opt_compress_chksum:
+		case Opt_compress_mode:
+		case Opt_compress_cache:
 			f2fs_info(sbi, "compression options not supported");
 			break;
 #endif
 		case Opt_atgc:
 			set_opt(sbi, ATGC);
 			break;
+		case Opt_gc_merge:
+			set_opt(sbi, GC_MERGE);
+			break;
+		case Opt_nogc_merge:
+			clear_opt(sbi, GC_MERGE);
+			break;
+		case Opt_discard_unit:
+			name = match_strdup(&args[0]);
+			if (!name)
+				return -ENOMEM;
+			if (!strcmp(name, "block")) {
+				F2FS_OPTION(sbi).discard_unit =
+						DISCARD_UNIT_BLOCK;
+			} else if (!strcmp(name, "segment")) {
+				F2FS_OPTION(sbi).discard_unit =
+						DISCARD_UNIT_SEGMENT;
+			} else if (!strcmp(name, "section")) {
+				F2FS_OPTION(sbi).discard_unit =
+						DISCARD_UNIT_SECTION;
+			} else {
+				kfree(name);
+				return -EINVAL;
+			}
+			kfree(name);
+			break;
+		case Opt_memory_mode:
+			name = match_strdup(&args[0]);
+			if (!name)
+				return -ENOMEM;
+			if (!strcmp(name, "normal")) {
+				F2FS_OPTION(sbi).memory_mode =
+						MEMORY_MODE_NORMAL;
+			} else if (!strcmp(name, "low")) {
+				F2FS_OPTION(sbi).memory_mode =
+						MEMORY_MODE_LOW;
+			} else {
+				kfree(name);
+				return -EINVAL;
+			}
+			kfree(name);
+			break;
 		default:
 			f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value",
 				 p);
 			return -EINVAL;
 		}
 	}
+default_check:
 #ifdef CONFIG_QUOTA
 	if (f2fs_check_quota_options(sbi))
 		return -EINVAL;
@@ -1021,6 +1302,21 @@
 		return -EINVAL;
 	}
 #endif
+	if (f2fs_sb_has_blkzoned(sbi)) {
+		if (F2FS_OPTION(sbi).discard_unit !=
+						DISCARD_UNIT_SECTION) {
+			f2fs_info(sbi, "Zoned block device doesn't need small discard, set discard_unit=section by default");
+			F2FS_OPTION(sbi).discard_unit =
+					DISCARD_UNIT_SECTION;
+		}
+	}
+
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (f2fs_test_compress_extension(sbi)) {
+		f2fs_err(sbi, "invalid compress or nocompress extension");
+		return -EINVAL;
+	}
+#endif
 
 	if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) {
 		f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO",
@@ -1053,7 +1349,7 @@
 	}
 
 	if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) {
-		f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n");
+		f2fs_err(sbi, "LFS not compatible with checkpoint=disable");
 		return -EINVAL;
 	}
 
@@ -1062,6 +1358,11 @@
 	 */
 	if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_PERSIST_TYPE)
 		F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
+
+	if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) {
+		f2fs_err(sbi, "Allow to mount readonly mode only");
+		return -EROFS;
+	}
 	return 0;
 }
 
@@ -1069,7 +1370,8 @@
 {
 	struct f2fs_inode_info *fi;
 
-	fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO);
+	fi = f2fs_kmem_cache_alloc(f2fs_inode_cachep,
+				GFP_F2FS_ZERO, false, F2FS_SB(sb));
 	if (!fi)
 		return NULL;
 
@@ -1078,23 +1380,21 @@
 	/* Initialize f2fs-specific inode info */
 	atomic_set(&fi->dirty_pages, 0);
 	atomic_set(&fi->i_compr_blocks, 0);
-	init_rwsem(&fi->i_sem);
+	init_f2fs_rwsem(&fi->i_sem);
 	spin_lock_init(&fi->i_size_lock);
 	INIT_LIST_HEAD(&fi->dirty_list);
 	INIT_LIST_HEAD(&fi->gdirty_list);
 	INIT_LIST_HEAD(&fi->inmem_ilist);
 	INIT_LIST_HEAD(&fi->inmem_pages);
 	mutex_init(&fi->inmem_lock);
-	init_rwsem(&fi->i_gc_rwsem[READ]);
-	init_rwsem(&fi->i_gc_rwsem[WRITE]);
-	init_rwsem(&fi->i_mmap_sem);
-	init_rwsem(&fi->i_xattr_sem);
+	init_f2fs_rwsem(&fi->i_gc_rwsem[READ]);
+	init_f2fs_rwsem(&fi->i_gc_rwsem[WRITE]);
+	init_f2fs_rwsem(&fi->i_mmap_sem);
+	init_f2fs_rwsem(&fi->i_xattr_sem);
 
 	/* Will be used by directory only */
 	fi->i_dir_level = F2FS_SB(sb)->dir_level;
 
-	fi->ra_offset = -1;
-
 	return &fi->vfs_inode;
 }
 
@@ -1230,8 +1530,9 @@
 
 static void destroy_percpu_info(struct f2fs_sb_info *sbi)
 {
-	percpu_counter_destroy(&sbi->alloc_valid_block_count);
 	percpu_counter_destroy(&sbi->total_valid_inode_count);
+	percpu_counter_destroy(&sbi->rf_node_block_count);
+	percpu_counter_destroy(&sbi->alloc_valid_block_count);
 }
 
 static void destroy_device_list(struct f2fs_sb_info *sbi)
@@ -1262,6 +1563,12 @@
 	mutex_lock(&sbi->umount_mutex);
 
 	/*
+	 * flush all issued checkpoints and stop checkpoint issue thread.
+	 * after then, all checkpoints should be done by each process context.
+	 */
+	f2fs_stop_ckpt_thread(sbi);
+
+	/*
 	 * We don't need to do checkpoint when superblock is clean.
 	 * But, the previous checkpoint was not done by umount, it needs to do
 	 * clean checkpoint again.
@@ -1301,6 +1608,8 @@
 
 	f2fs_bug_on(sbi, sbi->fsync_node_num);
 
+	f2fs_destroy_compress_inode(sbi);
+
 	iput(sbi->node_inode);
 	sbi->node_inode = NULL;
 
@@ -1336,6 +1645,7 @@
 #endif
 	fscrypt_free_dummy_policy(&F2FS_OPTION(sbi).dummy_enc_policy);
 	destroy_percpu_info(sbi);
+	f2fs_destroy_iostat(sbi);
 	for (i = 0; i < NR_PAGE_TYPE; i++)
 		kvfree(sbi->write_io[i]);
 #ifdef CONFIG_UNICODE
@@ -1359,16 +1669,8 @@
 	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
 		return -EAGAIN;
 
-	if (sync) {
-		struct cp_control cpc;
-
-		cpc.reason = __get_cp_reason(sbi);
-
-		down_write(&sbi->gc_lock);
-		err = f2fs_write_checkpoint(sbi, &cpc);
-		up_write(&sbi->gc_lock);
-	}
-	f2fs_trace_ios(NULL, 1);
+	if (sync)
+		err = f2fs_issue_checkpoint(sbi);
 
 	return err;
 }
@@ -1385,11 +1687,18 @@
 	/* must be clean, since sync_filesystem() was already called */
 	if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY))
 		return -EINVAL;
+
+	/* Let's flush checkpoints and stop the thread. */
+	f2fs_flush_ckpt_thread(F2FS_SB(sb));
+
+	/* to avoid deadlock on f2fs_evict_inode->SB_FREEZE_FS */
+	set_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING);
 	return 0;
 }
 
 static int f2fs_unfreeze(struct super_block *sb)
 {
+	clear_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING);
 	return 0;
 }
 
@@ -1529,6 +1838,7 @@
 #endif
 }
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
 static inline void f2fs_show_compress_options(struct seq_file *seq,
 							struct super_block *sb)
 {
@@ -1555,6 +1865,9 @@
 	}
 	seq_printf(seq, ",compress_algorithm=%s", algtype);
 
+	if (F2FS_OPTION(sbi).compress_level)
+		seq_printf(seq, ":%d", F2FS_OPTION(sbi).compress_level);
+
 	seq_printf(seq, ",compress_log_size=%u",
 			F2FS_OPTION(sbi).compress_log_size);
 
@@ -1562,7 +1875,24 @@
 		seq_printf(seq, ",compress_extension=%s",
 			F2FS_OPTION(sbi).extensions[i]);
 	}
+
+	for (i = 0; i < F2FS_OPTION(sbi).nocompress_ext_cnt; i++) {
+		seq_printf(seq, ",nocompress_extension=%s",
+			F2FS_OPTION(sbi).noextensions[i]);
+	}
+
+	if (F2FS_OPTION(sbi).compress_chksum)
+		seq_puts(seq, ",compress_chksum");
+
+	if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_FS)
+		seq_printf(seq, ",compress_mode=%s", "fs");
+	else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER)
+		seq_printf(seq, ",compress_mode=%s", "user");
+
+	if (test_opt(sbi, COMPRESS_CACHE))
+		seq_puts(seq, ",compress_cache");
 }
+#endif
 
 static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
 {
@@ -1575,6 +1905,9 @@
 	else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF)
 		seq_printf(seq, ",background_gc=%s", "off");
 
+	if (test_opt(sbi, GC_MERGE))
+		seq_puts(seq, ",gc_merge");
+
 	if (test_opt(sbi, DISABLE_ROLL_FORWARD))
 		seq_puts(seq, ",disable_roll_forward");
 	if (test_opt(sbi, NORECOVERY))
@@ -1634,6 +1967,10 @@
 		seq_puts(seq, "adaptive");
 	else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS)
 		seq_puts(seq, "lfs");
+	else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG)
+		seq_puts(seq, "fragment:segment");
+	else if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
+		seq_puts(seq, "fragment:block");
 	seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs);
 	if (test_opt(sbi, RESERVE_ROOT))
 		seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u",
@@ -1682,6 +2019,10 @@
 	if (test_opt(sbi, DISABLE_CHECKPOINT))
 		seq_printf(seq, ",checkpoint=disable:%u",
 				F2FS_OPTION(sbi).unusable_cap);
+	if (test_opt(sbi, MERGE_CHECKPOINT))
+		seq_puts(seq, ",checkpoint_merge");
+	else
+		seq_puts(seq, ",nocheckpoint_merge");
 	if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX)
 		seq_printf(seq, ",fsync_mode=%s", "posix");
 	else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT)
@@ -1695,13 +2036,30 @@
 
 	if (test_opt(sbi, ATGC))
 		seq_puts(seq, ",atgc");
+
+	if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK)
+		seq_printf(seq, ",discard_unit=%s", "block");
+	else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT)
+		seq_printf(seq, ",discard_unit=%s", "segment");
+	else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION)
+		seq_printf(seq, ",discard_unit=%s", "section");
+
+	if (F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_NORMAL)
+		seq_printf(seq, ",memory=%s", "normal");
+	else if (F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW)
+		seq_printf(seq, ",memory=%s", "low");
+
 	return 0;
 }
 
 static void default_options(struct f2fs_sb_info *sbi)
 {
 	/* init some FS parameters */
-	F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE;
+	if (f2fs_sb_has_readonly(sbi))
+		F2FS_OPTION(sbi).active_logs = NR_CURSEG_RO_TYPE;
+	else
+		F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE;
+
 	F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
 	F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
 	F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT;
@@ -1711,7 +2069,9 @@
 	F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4;
 	F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE;
 	F2FS_OPTION(sbi).compress_ext_cnt = 0;
+	F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS;
 	F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON;
+	F2FS_OPTION(sbi).memory_mode = MEMORY_MODE_NORMAL;
 
 	sbi->sb->s_flags &= ~SB_INLINECRYPT;
 
@@ -1721,14 +2081,19 @@
 	set_opt(sbi, EXTENT_CACHE);
 	set_opt(sbi, NOHEAP);
 	clear_opt(sbi, DISABLE_CHECKPOINT);
+	set_opt(sbi, MERGE_CHECKPOINT);
 	F2FS_OPTION(sbi).unusable_cap = 0;
 	sbi->sb->s_flags |= SB_LAZYTIME;
 	set_opt(sbi, FLUSH_MERGE);
-	set_opt(sbi, DISCARD);
-	if (f2fs_sb_has_blkzoned(sbi))
+	if (f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi))
+		set_opt(sbi, DISCARD);
+	if (f2fs_sb_has_blkzoned(sbi)) {
 		F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS;
-	else
+		F2FS_OPTION(sbi).discard_unit = DISCARD_UNIT_SECTION;
+	} else {
 		F2FS_OPTION(sbi).fs_mode = FS_MODE_ADAPTIVE;
+		F2FS_OPTION(sbi).discard_unit = DISCARD_UNIT_BLOCK;
+	}
 
 #ifdef CONFIG_F2FS_FS_XATTR
 	set_opt(sbi, XATTR_USER);
@@ -1748,6 +2113,7 @@
 {
 	unsigned int s_flags = sbi->sb->s_flags;
 	struct cp_control cpc;
+	unsigned int gc_mode = sbi->gc_mode;
 	int err = 0;
 	int ret;
 	block_t unusable;
@@ -1758,10 +2124,17 @@
 	}
 	sbi->sb->s_flags |= SB_ACTIVE;
 
+	/* check if we need more GC first */
+	unusable = f2fs_get_unusable_blocks(sbi);
+	if (!f2fs_disable_cp_again(sbi, unusable))
+		goto skip_gc;
+
 	f2fs_update_time(sbi, DISABLE_TIME);
 
+	sbi->gc_mode = GC_URGENT_HIGH;
+
 	while (!f2fs_time_over(sbi, DISABLE_TIME)) {
-		down_write(&sbi->gc_lock);
+		f2fs_down_write(&sbi->gc_lock);
 		err = f2fs_gc(sbi, true, false, false, NULL_SEGNO);
 		if (err == -ENODATA) {
 			err = 0;
@@ -1773,7 +2146,7 @@
 
 	ret = sync_filesystem(sbi->sb);
 	if (ret || err) {
-		err = ret ? ret: err;
+		err = ret ? ret : err;
 		goto restore_flag;
 	}
 
@@ -1783,7 +2156,8 @@
 		goto restore_flag;
 	}
 
-	down_write(&sbi->gc_lock);
+skip_gc:
+	f2fs_down_write(&sbi->gc_lock);
 	cpc.reason = CP_PAUSE;
 	set_sbi_flag(sbi, SBI_CP_DISABLED);
 	err = f2fs_write_checkpoint(sbi, &cpc);
@@ -1795,8 +2169,9 @@
 	spin_unlock(&sbi->stat_lock);
 
 out_unlock:
-	up_write(&sbi->gc_lock);
+	f2fs_up_write(&sbi->gc_lock);
 restore_flag:
+	sbi->gc_mode = gc_mode;
 	sbi->sb->s_flags = s_flags;	/* Restore SB_RDONLY status */
 	return err;
 }
@@ -1808,21 +2183,23 @@
 	/* we should flush all the data to keep data consistency */
 	do {
 		sync_inodes_sb(sbi->sb);
-		cond_resched();
-		congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
+		f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 	} while (get_pages(sbi, F2FS_DIRTY_DATA) && retry--);
 
 	if (unlikely(retry < 0))
 		f2fs_warn(sbi, "checkpoint=enable has some unwritten data.");
 
-	down_write(&sbi->gc_lock);
+	f2fs_down_write(&sbi->gc_lock);
 	f2fs_dirty_to_prefree(sbi);
 
 	clear_sbi_flag(sbi, SBI_CP_DISABLED);
 	set_sbi_flag(sbi, SBI_IS_DIRTY);
-	up_write(&sbi->gc_lock);
+	f2fs_up_write(&sbi->gc_lock);
 
 	f2fs_sync_fs(sbi->sb, 1);
+
+	/* Let's ensure there's no pending checkpoint anymore */
+	f2fs_flush_ckpt_thread(sbi);
 }
 
 static int f2fs_remount(struct super_block *sb, int *flags, char *data)
@@ -1831,13 +2208,18 @@
 	struct f2fs_mount_info org_mount_opt;
 	unsigned long old_sb_flags;
 	int err;
-	bool need_restart_gc = false;
-	bool need_stop_gc = false;
+	bool need_restart_gc = false, need_stop_gc = false;
+	bool need_restart_ckpt = false, need_stop_ckpt = false;
+	bool need_restart_flush = false, need_stop_flush = false;
+	bool need_restart_discard = false, need_stop_discard = false;
 	bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE);
-	bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT);
+	bool enable_checkpoint = !test_opt(sbi, DISABLE_CHECKPOINT);
 	bool no_io_align = !F2FS_IO_ALIGNED(sbi);
 	bool no_atgc = !test_opt(sbi, ATGC);
-	bool checkpoint_changed;
+	bool no_discard = !test_opt(sbi, DISCARD);
+	bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE);
+	bool block_unit_discard = f2fs_block_unit_discard(sbi);
+	struct discard_cmd_control *dcc;
 #ifdef CONFIG_QUOTA
 	int i, j;
 #endif
@@ -1882,8 +2264,6 @@
 	err = parse_options(sb, data, true);
 	if (err)
 		goto restore_opts;
-	checkpoint_changed =
-			disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT);
 
 	/*
 	 * Previous and new state of filesystem is RO,
@@ -1892,6 +2272,11 @@
 	if (f2fs_readonly(sb) && (*flags & SB_RDONLY))
 		goto skip;
 
+	if (f2fs_sb_has_readonly(sbi) && !(*flags & SB_RDONLY)) {
+		err = -EROFS;
+		goto restore_opts;
+	}
+
 #ifdef CONFIG_QUOTA
 	if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) {
 		err = dquot_suspend(sb, -1);
@@ -1929,6 +2314,18 @@
 		goto restore_opts;
 	}
 
+	if (no_compress_cache == !!test_opt(sbi, COMPRESS_CACHE)) {
+		err = -EINVAL;
+		f2fs_warn(sbi, "switch compress_cache option is not allowed");
+		goto restore_opts;
+	}
+
+	if (block_unit_discard != f2fs_block_unit_discard(sbi)) {
+		err = -EINVAL;
+		f2fs_warn(sbi, "switch discard_unit option is not allowed");
+		goto restore_opts;
+	}
+
 	if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) {
 		err = -EINVAL;
 		f2fs_warn(sbi, "disabling checkpoint not compatible with read-only");
@@ -1941,7 +2338,8 @@
 	 * option. Also sync the filesystem.
 	 */
 	if ((*flags & SB_RDONLY) ||
-			F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) {
+			(F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF &&
+			!test_opt(sbi, GC_MERGE))) {
 		if (sbi->gc_thread) {
 			f2fs_stop_gc_thread(sbi);
 			need_restart_gc = true;
@@ -1955,7 +2353,6 @@
 
 	if (*flags & SB_RDONLY ||
 		F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) {
-		writeback_inodes_sb(sb, WB_REASON_SYNC);
 		sync_inodes_sb(sb);
 
 		set_sbi_flag(sbi, SBI_IS_DIRTY);
@@ -1964,14 +2361,22 @@
 		clear_sbi_flag(sbi, SBI_IS_CLOSE);
 	}
 
-	if (checkpoint_changed) {
-		if (test_opt(sbi, DISABLE_CHECKPOINT)) {
-			err = f2fs_disable_checkpoint(sbi);
-			if (err)
-				goto restore_gc;
-		} else {
-			f2fs_enable_checkpoint(sbi);
+	if ((*flags & SB_RDONLY) || test_opt(sbi, DISABLE_CHECKPOINT) ||
+			!test_opt(sbi, MERGE_CHECKPOINT)) {
+		f2fs_stop_ckpt_thread(sbi);
+		need_restart_ckpt = true;
+	} else {
+		/* Flush if the prevous checkpoint, if exists. */
+		f2fs_flush_ckpt_thread(sbi);
+
+		err = f2fs_start_ckpt_thread(sbi);
+		if (err) {
+			f2fs_err(sbi,
+			    "Failed to start F2FS issue_checkpoint_thread (%d)",
+			    err);
+			goto restore_gc;
 		}
+		need_stop_ckpt = true;
 	}
 
 	/*
@@ -1981,11 +2386,39 @@
 	if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) {
 		clear_opt(sbi, FLUSH_MERGE);
 		f2fs_destroy_flush_cmd_control(sbi, false);
+		need_restart_flush = true;
 	} else {
 		err = f2fs_create_flush_cmd_control(sbi);
 		if (err)
-			goto restore_gc;
+			goto restore_ckpt;
+		need_stop_flush = true;
 	}
+
+	if (no_discard == !!test_opt(sbi, DISCARD)) {
+		if (test_opt(sbi, DISCARD)) {
+			err = f2fs_start_discard_thread(sbi);
+			if (err)
+				goto restore_flush;
+			need_stop_discard = true;
+		} else {
+			dcc = SM_I(sbi)->dcc_info;
+			f2fs_stop_discard_thread(sbi);
+			if (atomic_read(&dcc->discard_cmd_cnt))
+				f2fs_issue_discard_timeout(sbi);
+			need_restart_discard = true;
+		}
+	}
+
+	if (enable_checkpoint == !!test_opt(sbi, DISABLE_CHECKPOINT)) {
+		if (test_opt(sbi, DISABLE_CHECKPOINT)) {
+			err = f2fs_disable_checkpoint(sbi);
+			if (err)
+				goto restore_discard;
+		} else {
+			f2fs_enable_checkpoint(sbi);
+		}
+	}
+
 skip:
 #ifdef CONFIG_QUOTA
 	/* Release old quota file names */
@@ -2000,6 +2433,28 @@
 	adjust_unusable_cap_perc(sbi);
 	*flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME);
 	return 0;
+restore_discard:
+	if (need_restart_discard) {
+		if (f2fs_start_discard_thread(sbi))
+			f2fs_warn(sbi, "discard has been stopped");
+	} else if (need_stop_discard) {
+		f2fs_stop_discard_thread(sbi);
+	}
+restore_flush:
+	if (need_restart_flush) {
+		if (f2fs_create_flush_cmd_control(sbi))
+			f2fs_warn(sbi, "background flush thread has stopped");
+	} else if (need_stop_flush) {
+		clear_opt(sbi, FLUSH_MERGE);
+		f2fs_destroy_flush_cmd_control(sbi, false);
+	}
+restore_ckpt:
+	if (need_restart_ckpt) {
+		if (f2fs_start_ckpt_thread(sbi))
+			f2fs_warn(sbi, "background ckpt thread has stopped");
+	} else if (need_stop_ckpt) {
+		f2fs_stop_ckpt_thread(sbi);
+	}
 restore_gc:
 	if (need_restart_gc) {
 		if (f2fs_start_gc_thread(sbi))
@@ -2099,8 +2554,7 @@
 							&page, &fsdata);
 		if (unlikely(err)) {
 			if (err == -ENOMEM) {
-				congestion_wait(BLK_RW_ASYNC,
-						DEFAULT_IO_TIMEOUT);
+				f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 				goto retry;
 			}
 			set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
@@ -2125,6 +2579,16 @@
 	return len - towrite;
 }
 
+int f2fs_dquot_initialize(struct inode *inode)
+{
+	if (time_to_inject(F2FS_I_SB(inode), FAULT_DQUOT_INIT)) {
+		f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_DQUOT_INIT);
+		return -ESRCH;
+	}
+
+	return dquot_initialize(inode);
+}
+
 static struct dquot **f2fs_get_dquots(struct inode *inode)
 {
 	return F2FS_I(inode)->i_dquot;
@@ -2290,18 +2754,18 @@
 		/*
 		 * do_quotactl
 		 *  f2fs_quota_sync
-		 *  down_read(quota_sem)
+		 *  f2fs_down_read(quota_sem)
 		 *  dquot_writeback_dquots()
 		 *  f2fs_dquot_commit
 		 *			      block_operation
-		 *			      down_read(quota_sem)
+		 *			      f2fs_down_read(quota_sem)
 		 */
 		f2fs_lock_op(sbi);
-		down_read(&sbi->quota_sem);
+		f2fs_down_read(&sbi->quota_sem);
 
 		ret = f2fs_quota_sync_file(sbi, cnt);
 
-		up_read(&sbi->quota_sem);
+		f2fs_up_read(&sbi->quota_sem);
 		f2fs_unlock_op(sbi);
 
 		if (!f2fs_sb_has_quota_ino(sbi))
@@ -2427,11 +2891,11 @@
 	struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
 	int ret;
 
-	down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING);
+	f2fs_down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING);
 	ret = dquot_commit(dquot);
 	if (ret < 0)
 		set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
-	up_read(&sbi->quota_sem);
+	f2fs_up_read(&sbi->quota_sem);
 	return ret;
 }
 
@@ -2440,11 +2904,11 @@
 	struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
 	int ret;
 
-	down_read(&sbi->quota_sem);
+	f2fs_down_read(&sbi->quota_sem);
 	ret = dquot_acquire(dquot);
 	if (ret < 0)
 		set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
-	up_read(&sbi->quota_sem);
+	f2fs_up_read(&sbi->quota_sem);
 	return ret;
 }
 
@@ -2511,6 +2975,11 @@
 	.get_nextdqblk	= dquot_get_next_dqblk,
 };
 #else
+int f2fs_dquot_initialize(struct inode *inode)
+{
+	return 0;
+}
+
 int f2fs_quota_sync(struct super_block *sb, int type)
 {
 	return 0;
@@ -2612,7 +3081,6 @@
 	.set_context		= f2fs_set_context,
 	.get_dummy_policy	= f2fs_get_dummy_policy,
 	.empty_dir		= f2fs_empty_dir,
-	.max_namelen		= F2FS_NAME_LEN,
 	.has_stable_inodes	= f2fs_has_stable_inodes,
 	.get_ino_and_lblk_bits	= f2fs_get_ino_and_lblk_bits,
 	.get_num_devices	= f2fs_get_num_devices,
@@ -2665,10 +3133,10 @@
 	.get_parent = f2fs_get_parent,
 };
 
-static loff_t max_file_blocks(void)
+loff_t max_file_blocks(struct inode *inode)
 {
 	loff_t result = 0;
-	loff_t leaf_count = DEF_ADDRS_PER_BLOCK;
+	loff_t leaf_count;
 
 	/*
 	 * note: previously, result is equal to (DEF_ADDRS_PER_INODE -
@@ -2677,6 +3145,11 @@
 	 * result as zero.
 	 */
 
+	if (inode && f2fs_compressed_file(inode))
+		leaf_count = ADDRS_PER_BLOCK(inode);
+	else
+		leaf_count = DEF_ADDRS_PER_BLOCK;
+
 	/* two direct node blocks */
 	result += (leaf_count * 2);
 
@@ -2827,13 +3300,6 @@
 		}
 	}
 
-	/* Currently, support only 4KB page cache size */
-	if (F2FS_BLKSIZE != PAGE_SIZE) {
-		f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB",
-			  PAGE_SIZE);
-		return -EFSCORRUPTED;
-	}
-
 	/* Currently, support only 4KB block size */
 	if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) {
 		f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u",
@@ -3004,14 +3470,15 @@
 	ovp_segments = le32_to_cpu(ckpt->overprov_segment_count);
 	reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count);
 
-	if (unlikely(fsmeta < F2FS_MIN_META_SEGMENTS ||
+	if (!f2fs_sb_has_readonly(sbi) &&
+			unlikely(fsmeta < F2FS_MIN_META_SEGMENTS ||
 			ovp_segments == 0 || reserved_segments == 0)) {
 		f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version");
 		return 1;
 	}
-
 	user_block_count = le64_to_cpu(ckpt->user_block_count);
-	segment_count_main = le32_to_cpu(raw_super->segment_count_main);
+	segment_count_main = le32_to_cpu(raw_super->segment_count_main) +
+			(f2fs_sb_has_readonly(sbi) ? 1 : 0);
 	log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);
 	if (!user_block_count || user_block_count >=
 			segment_count_main << log_blocks_per_seg) {
@@ -3042,6 +3509,10 @@
 		if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs ||
 			le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg)
 			return 1;
+
+		if (f2fs_sb_has_readonly(sbi))
+			goto check_data;
+
 		for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) {
 			if (le32_to_cpu(ckpt->cur_node_segno[i]) ==
 				le32_to_cpu(ckpt->cur_node_segno[j])) {
@@ -3052,10 +3523,15 @@
 			}
 		}
 	}
+check_data:
 	for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) {
 		if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs ||
 			le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg)
 			return 1;
+
+		if (f2fs_sb_has_readonly(sbi))
+			goto skip_cross;
+
 		for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) {
 			if (le32_to_cpu(ckpt->cur_data_segno[i]) ==
 				le32_to_cpu(ckpt->cur_data_segno[j])) {
@@ -3077,7 +3553,7 @@
 			}
 		}
 	}
-
+skip_cross:
 	sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
 	nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
 
@@ -3142,14 +3618,19 @@
 	sbi->total_node_count =
 		(le32_to_cpu(raw_super->segment_count_nat) / 2)
 			* sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;
-	sbi->root_ino_num = le32_to_cpu(raw_super->root_ino);
-	sbi->node_ino_num = le32_to_cpu(raw_super->node_ino);
-	sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino);
+	F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino);
+	F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
+	F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
 	sbi->cur_victim_sec = NULL_SECNO;
+	sbi->gc_mode = GC_NORMAL;
 	sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
 	sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
 	sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
 	sbi->migration_granularity = sbi->segs_per_sec;
+	sbi->seq_file_ra_mul = MIN_RA_MUL;
+	sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
+	sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;
+	spin_lock_init(&sbi->gc_urgent_high_lock);
 
 	sbi->dir_level = DEF_DIR_LEVEL;
 	sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL;
@@ -3169,14 +3650,14 @@
 
 	INIT_LIST_HEAD(&sbi->s_list);
 	mutex_init(&sbi->umount_mutex);
-	init_rwsem(&sbi->io_order_lock);
+	init_f2fs_rwsem(&sbi->io_order_lock);
 	spin_lock_init(&sbi->cp_lock);
 
 	sbi->dirty_device = 0;
 	spin_lock_init(&sbi->dev_lock);
 
-	init_rwsem(&sbi->sb_lock);
-	init_rwsem(&sbi->pin_sem);
+	init_f2fs_rwsem(&sbi->sb_lock);
+	init_f2fs_rwsem(&sbi->pin_sem);
 }
 
 static int init_percpu_info(struct f2fs_sb_info *sbi)
@@ -3187,11 +3668,20 @@
 	if (err)
 		return err;
 
+	err = percpu_counter_init(&sbi->rf_node_block_count, 0, GFP_KERNEL);
+	if (err)
+		goto err_valid_block;
+
 	err = percpu_counter_init(&sbi->total_valid_inode_count, 0,
 								GFP_KERNEL);
 	if (err)
-		percpu_counter_destroy(&sbi->alloc_valid_block_count);
+		goto err_node_block;
+	return 0;
 
+err_node_block:
+	percpu_counter_destroy(&sbi->rf_node_block_count);
+err_valid_block:
+	percpu_counter_destroy(&sbi->alloc_valid_block_count);
 	return err;
 }
 
@@ -3362,10 +3852,31 @@
 	return err;
 }
 
+void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason)
+{
+	struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
+	int err;
+
+	f2fs_bug_on(sbi, reason >= MAX_STOP_REASON);
+
+	f2fs_down_write(&sbi->sb_lock);
+
+	if (raw_super->s_stop_reason[reason] < ((1 << BITS_PER_BYTE) - 1))
+		raw_super->s_stop_reason[reason]++;
+
+	err = f2fs_commit_super(sbi, false);
+	if (err)
+		f2fs_err(sbi, "f2fs_commit_super fails to record reason:%u err:%d",
+								reason, err);
+
+	f2fs_up_write(&sbi->sb_lock);
+}
+
 static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
 	unsigned int max_devices = MAX_DEVICES;
+	unsigned int logical_blksize;
 	int i;
 
 	/* Initialize single device information */
@@ -3386,6 +3897,9 @@
 	if (!sbi->devs)
 		return -ENOMEM;
 
+	logical_blksize = bdev_logical_block_size(sbi->sb->s_bdev);
+	sbi->aligned_blksize = true;
+
 	for (i = 0; i < max_devices; i++) {
 
 		if (i > 0 && !RDEV(i).path[0])
@@ -3422,10 +3936,13 @@
 		/* to release errored devices */
 		sbi->s_ndevs = i + 1;
 
+		if (logical_blksize != bdev_logical_block_size(FDEV(i).bdev))
+			sbi->aligned_blksize = false;
+
 #ifdef CONFIG_BLK_DEV_ZONED
 		if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM &&
 				!f2fs_sb_has_blkzoned(sbi)) {
-			f2fs_err(sbi, "Zoned block device feature not enabled\n");
+			f2fs_err(sbi, "Zoned block device feature not enabled");
 			return -EINVAL;
 		}
 		if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) {
@@ -3462,12 +3979,6 @@
 		struct unicode_map *encoding;
 		__u16 encoding_flags;
 
-		if (f2fs_sb_has_encrypt(sbi)) {
-			f2fs_err(sbi,
-				"Can't mount with encoding and encryption");
-			return -EINVAL;
-		}
-
 		if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info,
 					  &encoding_flags)) {
 			f2fs_err(sbi,
@@ -3490,7 +4001,6 @@
 
 		sbi->sb->s_encoding = encoding;
 		sbi->sb->s_encoding_flags = encoding_flags;
-		sbi->sb->s_d_op = &f2fs_dentry_ops;
 	}
 #else
 	if (f2fs_sb_has_casefold(sbi)) {
@@ -3508,8 +4018,10 @@
 	/* adjust parameters according to the volume size */
 	if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) {
 		F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;
-		sm_i->dcc_info->discard_granularity = 1;
-		sm_i->ipu_policy = 1 << F2FS_IPU_FORCE;
+		if (f2fs_block_unit_discard(sbi))
+			sm_i->dcc_info->discard_granularity = 1;
+		sm_i->ipu_policy = 1 << F2FS_IPU_FORCE |
+					1 << F2FS_IPU_HONOR_OPU_WRITE;
 	}
 
 	sbi->readdir_ra = 1;
@@ -3580,8 +4092,7 @@
 	if (err)
 		goto free_options;
 
-	sbi->max_file_blocks = max_file_blocks();
-	sb->s_maxbytes = sbi->max_file_blocks <<
+	sb->s_maxbytes = max_file_blocks(NULL) <<
 				le32_to_cpu(raw_super->log_blocksize);
 	sb->s_max_links = F2FS_LINK_MAX;
 
@@ -3620,23 +4131,18 @@
 
 	/* init f2fs-specific super block info */
 	sbi->valid_super_block = valid_super_block;
-	init_rwsem(&sbi->gc_lock);
+	init_f2fs_rwsem(&sbi->gc_lock);
 	mutex_init(&sbi->writepages);
-	mutex_init(&sbi->cp_mutex);
-	init_rwsem(&sbi->node_write);
-	init_rwsem(&sbi->node_change);
+	init_f2fs_rwsem(&sbi->cp_global_sem);
+	init_f2fs_rwsem(&sbi->node_write);
+	init_f2fs_rwsem(&sbi->node_change);
 
 	/* disallow all the data/node/meta page writes */
 	set_sbi_flag(sbi, SBI_POR_DOING);
 	spin_lock_init(&sbi->stat_lock);
 
-	/* init iostat info */
-	spin_lock_init(&sbi->iostat_lock);
-	sbi->iostat_enable = false;
-	sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS;
-
 	for (i = 0; i < NR_PAGE_TYPE; i++) {
-		int n = (i == META) ? 1: NR_TEMP_TYPE;
+		int n = (i == META) ? 1 : NR_TEMP_TYPE;
 		int j;
 
 		sbi->write_io[i] =
@@ -3650,25 +4156,29 @@
 		}
 
 		for (j = HOT; j < n; j++) {
-			init_rwsem(&sbi->write_io[i][j].io_rwsem);
+			init_f2fs_rwsem(&sbi->write_io[i][j].io_rwsem);
 			sbi->write_io[i][j].sbi = sbi;
 			sbi->write_io[i][j].bio = NULL;
 			spin_lock_init(&sbi->write_io[i][j].io_lock);
 			INIT_LIST_HEAD(&sbi->write_io[i][j].io_list);
 			INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list);
-			init_rwsem(&sbi->write_io[i][j].bio_list_lock);
+			init_f2fs_rwsem(&sbi->write_io[i][j].bio_list_lock);
 		}
 	}
 
-	init_rwsem(&sbi->cp_rwsem);
-	init_rwsem(&sbi->quota_sem);
+	init_f2fs_rwsem(&sbi->cp_rwsem);
+	init_f2fs_rwsem(&sbi->quota_sem);
 	init_waitqueue_head(&sbi->cp_wait);
 	init_sb_info(sbi);
 
-	err = init_percpu_info(sbi);
+	err = f2fs_init_iostat(sbi);
 	if (err)
 		goto free_bio_info;
 
+	err = init_percpu_info(sbi);
+	if (err)
+		goto free_iostat;
+
 	if (F2FS_IO_ALIGNED(sbi)) {
 		sbi->write_io_dummy =
 			mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0);
@@ -3748,6 +4258,19 @@
 
 	f2fs_init_fsync_node_info(sbi);
 
+	/* setup checkpoint request control and start checkpoint issue thread */
+	f2fs_init_ckpt_req_control(sbi);
+	if (!f2fs_readonly(sb) && !test_opt(sbi, DISABLE_CHECKPOINT) &&
+			test_opt(sbi, MERGE_CHECKPOINT)) {
+		err = f2fs_start_ckpt_thread(sbi);
+		if (err) {
+			f2fs_err(sbi,
+			    "Failed to start F2FS issue_checkpoint_thread (%d)",
+			    err);
+			goto stop_ckpt_thread;
+		}
+	}
+
 	/* setup f2fs internal modules */
 	err = f2fs_build_segment_manager(sbi);
 	if (err) {
@@ -3767,10 +4290,7 @@
 		goto free_nm;
 
 	/* For write statistics */
-	if (sb->s_bdev->bd_part)
-		sbi->sectors_written_start =
-			(u64)part_stat_read(sb->s_bdev->bd_part,
-					    sectors[STAT_WRITE]);
+	sbi->sectors_written_start = f2fs_get_sectors_written(sbi);
 
 	/* Read accumulated write IO statistics if exists */
 	seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
@@ -3812,10 +4332,14 @@
 		goto free_node_inode;
 	}
 
-	err = f2fs_register_sysfs(sbi);
+	err = f2fs_init_compress_inode(sbi);
 	if (err)
 		goto free_root_inode;
 
+	err = f2fs_register_sysfs(sbi);
+	if (err)
+		goto free_compress_inode;
+
 #ifdef CONFIG_QUOTA
 	/* Enable quota usage during mount */
 	if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) {
@@ -3841,9 +4365,15 @@
 		 */
 		if (f2fs_hw_is_readonly(sbi)) {
 			if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
-				err = -EROFS;
-				f2fs_err(sbi, "Need to recover fsync data, but write access unavailable");
-				goto free_meta;
+				err = f2fs_recover_fsync_data(sbi, true);
+				if (err > 0) {
+					err = -EROFS;
+					f2fs_err(sbi, "Need to recover fsync data, but "
+						"write access unavailable, please try "
+						"mount w/ disable_roll_forward or norecovery");
+				}
+				if (err < 0)
+					goto free_meta;
 			}
 			f2fs_info(sbi, "write access unavailable, skipping recovery");
 			goto reset_checkpoint;
@@ -3902,7 +4432,8 @@
 	 * If filesystem is not mounted as read-only then
 	 * do start the gc_thread.
 	 */
-	if (F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF && !f2fs_readonly(sb)) {
+	if ((F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF ||
+		test_opt(sbi, GC_MERGE)) && !f2fs_readonly(sb)) {
 		/* After POR, we can run background GC thread.*/
 		err = f2fs_start_gc_thread(sbi);
 		if (err)
@@ -3949,6 +4480,8 @@
 	/* evict some inodes being cached by GC */
 	evict_inodes(sb);
 	f2fs_unregister_sysfs(sbi);
+free_compress_inode:
+	f2fs_destroy_compress_inode(sbi);
 free_root_inode:
 	dput(sb->s_root);
 	sb->s_root = NULL;
@@ -3960,10 +4493,14 @@
 free_stats:
 	f2fs_destroy_stats(sbi);
 free_nm:
+	/* stop discard thread before destroying node manager */
+	f2fs_stop_discard_thread(sbi);
 	f2fs_destroy_node_manager(sbi);
 free_sm:
 	f2fs_destroy_segment_manager(sbi);
 	f2fs_destroy_post_read_wq(sbi);
+stop_ckpt_thread:
+	f2fs_stop_ckpt_thread(sbi);
 free_devices:
 	destroy_device_list(sbi);
 	kvfree(sbi->ckpt);
@@ -3979,6 +4516,8 @@
 	mempool_destroy(sbi->write_io_dummy);
 free_percpu:
 	destroy_percpu_info(sbi);
+free_iostat:
+	f2fs_destroy_iostat(sbi);
 free_bio_info:
 	for (i = 0; i < NR_PAGE_TYPE; i++)
 		kvfree(sbi->write_io[i]);
@@ -4025,6 +4564,15 @@
 		f2fs_stop_gc_thread(sbi);
 		f2fs_stop_discard_thread(sbi);
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+		/*
+		 * latter evict_inode() can bypass checking and invalidating
+		 * compress inode cache.
+		 */
+		if (test_opt(sbi, COMPRESS_CACHE))
+			truncate_inode_pages_final(COMPRESS_MAPPING(sbi));
+#endif
+
 		if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||
 				!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
 			struct cp_control cpc = {
@@ -4078,8 +4626,6 @@
 		return -EINVAL;
 	}
 
-	f2fs_build_trace_ios();
-
 	err = init_inodecache();
 	if (err)
 		goto fail;
@@ -4114,9 +4660,12 @@
 	err = f2fs_init_post_read_processing();
 	if (err)
 		goto free_root_stats;
-	err = f2fs_init_bio_entry_cache();
+	err = f2fs_init_iostat_processing();
 	if (err)
 		goto free_post_read;
+	err = f2fs_init_bio_entry_cache();
+	if (err)
+		goto free_iostat;
 	err = f2fs_init_bioset();
 	if (err)
 		goto free_bio_enrty_cache;
@@ -4126,13 +4675,20 @@
 	err = f2fs_init_compress_cache();
 	if (err)
 		goto free_compress_mempool;
+	err = f2fs_create_casefold_cache();
+	if (err)
+		goto free_compress_cache;
 	return 0;
+free_compress_cache:
+	f2fs_destroy_compress_cache();
 free_compress_mempool:
 	f2fs_destroy_compress_mempool();
 free_bioset:
 	f2fs_destroy_bioset();
 free_bio_enrty_cache:
 	f2fs_destroy_bio_entry_cache();
+free_iostat:
+	f2fs_destroy_iostat_processing();
 free_post_read:
 	f2fs_destroy_post_read_processing();
 free_root_stats:
@@ -4162,10 +4718,12 @@
 
 static void __exit exit_f2fs_fs(void)
 {
+	f2fs_destroy_casefold_cache();
 	f2fs_destroy_compress_cache();
 	f2fs_destroy_compress_mempool();
 	f2fs_destroy_bioset();
 	f2fs_destroy_bio_entry_cache();
+	f2fs_destroy_iostat_processing();
 	f2fs_destroy_post_read_processing();
 	f2fs_destroy_root_stats();
 	unregister_filesystem(&f2fs_fs_type);
@@ -4178,7 +4736,6 @@
 	f2fs_destroy_segment_manager_caches();
 	f2fs_destroy_node_manager_caches();
 	destroy_inodecache();
-	f2fs_destroy_trace_ios();
 }
 
 module_init(init_f2fs_fs)
@@ -4187,5 +4744,6 @@
 MODULE_AUTHOR("Samsung Electronics's Praesto Team");
 MODULE_DESCRIPTION("Flash Friendly File System");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_SOFTDEP("pre: crc32");
 
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 2501c11..337a83a 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -11,10 +11,13 @@
 #include <linux/f2fs_fs.h>
 #include <linux/seq_file.h>
 #include <linux/unicode.h>
+#include <linux/ioprio.h>
+#include <linux/sysfs.h>
 
 #include "f2fs.h"
 #include "segment.h"
 #include "gc.h"
+#include "iostat.h"
 #include <trace/events/f2fs.h>
 
 static struct proc_dir_entry *f2fs_proc_root;
@@ -34,6 +37,18 @@
 	FAULT_INFO_TYPE,	/* struct f2fs_fault_info */
 #endif
 	RESERVED_BLOCKS,	/* struct f2fs_sb_info */
+	CPRC_INFO,	/* struct ckpt_req_control */
+	ATGC_INFO,	/* struct atgc_management */
+};
+
+static const char *gc_mode_names[MAX_GC_MODE] = {
+	"GC_NORMAL",
+	"GC_IDLE_CB",
+	"GC_IDLE_GREEDY",
+	"GC_IDLE_AT",
+	"GC_URGENT_HIGH",
+	"GC_URGENT_LOW",
+	"GC_URGENT_MID"
 };
 
 struct f2fs_attr {
@@ -70,6 +85,10 @@
 	else if (struct_type == STAT_INFO)
 		return (unsigned char *)F2FS_STAT(sbi);
 #endif
+	else if (struct_type == CPRC_INFO)
+		return (unsigned char *)&sbi->cprc_info;
+	else if (struct_type == ATGC_INFO)
+		return (unsigned char *)&sbi->am;
 	return NULL;
 }
 
@@ -87,28 +106,42 @@
 			(unsigned long long)(free_segments(sbi)));
 }
 
+static ssize_t ovp_segments_show(struct f2fs_attr *a,
+		struct f2fs_sb_info *sbi, char *buf)
+{
+	return sprintf(buf, "%llu\n",
+			(unsigned long long)(overprovision_segments(sbi)));
+}
+
 static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
 		struct f2fs_sb_info *sbi, char *buf)
 {
-	struct super_block *sb = sbi->sb;
-
-	if (!sb->s_bdev->bd_part)
-		return sprintf(buf, "0\n");
-
 	return sprintf(buf, "%llu\n",
 			(unsigned long long)(sbi->kbytes_written +
-			BD_PART_WRITTEN(sbi)));
+			((f2fs_get_sectors_written(sbi) -
+				sbi->sectors_written_start) >> 1)));
+}
+
+static ssize_t sb_status_show(struct f2fs_attr *a,
+		struct f2fs_sb_info *sbi, char *buf)
+{
+	return sprintf(buf, "%lx\n", sbi->s_flag);
+}
+
+static ssize_t pending_discard_show(struct f2fs_attr *a,
+		struct f2fs_sb_info *sbi, char *buf)
+{
+	if (!SM_I(sbi)->dcc_info)
+		return -EINVAL;
+	return sprintf(buf, "%llu\n", (unsigned long long)atomic_read(
+				&SM_I(sbi)->dcc_info->discard_cmd_cnt));
 }
 
 static ssize_t features_show(struct f2fs_attr *a,
 		struct f2fs_sb_info *sbi, char *buf)
 {
-	struct super_block *sb = sbi->sb;
 	int len = 0;
 
-	if (!sb->s_bdev->bd_part)
-		return sprintf(buf, "0\n");
-
 	if (f2fs_sb_has_encrypt(sbi))
 		len += scnprintf(buf, PAGE_SIZE - len, "%s",
 						"encryption");
@@ -145,6 +178,9 @@
 	if (f2fs_sb_has_casefold(sbi))
 		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
 				len ? ", " : "", "casefold");
+	if (f2fs_sb_has_readonly(sbi))
+		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
+				len ? ", " : "", "readonly");
 	if (f2fs_sb_has_compression(sbi))
 		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
 				len ? ", " : "", "compression");
@@ -179,7 +215,7 @@
 	struct super_block *sb = sbi->sb;
 
 	if (f2fs_sb_has_casefold(sbi))
-		return snprintf(buf, PAGE_SIZE, "%s (%d.%d.%d)\n",
+		return sysfs_emit(buf, "%s (%d.%d.%d)\n",
 			sb->s_encoding->charset,
 			(sb->s_encoding->version >> 16) & 0xff,
 			(sb->s_encoding->version >> 8) & 0xff,
@@ -228,7 +264,7 @@
 static ssize_t main_blkaddr_show(struct f2fs_attr *a,
 				struct f2fs_sb_info *sbi, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%llu\n",
+	return sysfs_emit(buf, "%llu\n",
 			(unsigned long long)MAIN_BLKADDR(sbi));
 }
 
@@ -263,6 +299,47 @@
 		return len;
 	}
 
+	if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
+		struct ckpt_req_control *cprc = &sbi->cprc_info;
+		int len = 0;
+		int class = IOPRIO_PRIO_CLASS(cprc->ckpt_thread_ioprio);
+		int data = IOPRIO_PRIO_DATA(cprc->ckpt_thread_ioprio);
+
+		if (class == IOPRIO_CLASS_RT)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "rt,");
+		else if (class == IOPRIO_CLASS_BE)
+			len += scnprintf(buf + len, PAGE_SIZE - len, "be,");
+		else
+			return -EINVAL;
+
+		len += scnprintf(buf + len, PAGE_SIZE - len, "%d\n", data);
+		return len;
+	}
+
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (!strcmp(a->attr.name, "compr_written_block"))
+		return sysfs_emit(buf, "%llu\n", sbi->compr_written_block);
+
+	if (!strcmp(a->attr.name, "compr_saved_block"))
+		return sysfs_emit(buf, "%llu\n", sbi->compr_saved_block);
+
+	if (!strcmp(a->attr.name, "compr_new_inode"))
+		return sysfs_emit(buf, "%u\n", sbi->compr_new_inode);
+#endif
+
+	if (!strcmp(a->attr.name, "gc_urgent"))
+		return sysfs_emit(buf, "%s\n",
+				gc_mode_names[sbi->gc_mode]);
+
+	if (!strcmp(a->attr.name, "gc_segment_mode"))
+		return sysfs_emit(buf, "%s\n",
+				gc_mode_names[sbi->gc_segment_mode]);
+
+	if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
+		return sysfs_emit(buf, "%u\n",
+			sbi->gc_reclaimed_segs[sbi->gc_segment_mode]);
+	}
+
 	ui = (unsigned int *)(ptr + a->offset);
 
 	return sprintf(buf, "%u\n", *ui);
@@ -299,10 +376,10 @@
 			set = false;
 		}
 
-		if (strlen(name) >= F2FS_EXTENSION_LEN)
+		if (!strlen(name) || strlen(name) >= F2FS_EXTENSION_LEN)
 			return -EINVAL;
 
-		down_write(&sbi->sb_lock);
+		f2fs_down_write(&sbi->sb_lock);
 
 		ret = f2fs_update_extension_list(sbi, name, hot, set);
 		if (ret)
@@ -312,10 +389,42 @@
 		if (ret)
 			f2fs_update_extension_list(sbi, name, hot, !set);
 out:
-		up_write(&sbi->sb_lock);
+		f2fs_up_write(&sbi->sb_lock);
 		return ret ? ret : count;
 	}
 
+	if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
+		const char *name = strim((char *)buf);
+		struct ckpt_req_control *cprc = &sbi->cprc_info;
+		int class;
+		long data;
+		int ret;
+
+		if (!strncmp(name, "rt,", 3))
+			class = IOPRIO_CLASS_RT;
+		else if (!strncmp(name, "be,", 3))
+			class = IOPRIO_CLASS_BE;
+		else
+			return -EINVAL;
+
+		name += 3;
+		ret = kstrtol(name, 10, &data);
+		if (ret)
+			return ret;
+		if (data >= IOPRIO_BE_NR || data < 0)
+			return -EINVAL;
+
+		cprc->ckpt_thread_ioprio = IOPRIO_PRIO_VALUE(class, data);
+		if (test_opt(sbi, MERGE_CHECKPOINT)) {
+			ret = set_task_ioprio(cprc->f2fs_issue_ckpt,
+					cprc->ckpt_thread_ioprio);
+			if (ret)
+				return ret;
+		}
+
+		return count;
+	}
+
 	ui = (unsigned int *)(ptr + a->offset);
 
 	ret = kstrtoul(skip_spaces(buf), 0, &t);
@@ -346,6 +455,8 @@
 	if (!strcmp(a->attr.name, "discard_granularity")) {
 		if (t == 0 || t > MAX_PLIST_NUM)
 			return -EINVAL;
+		if (!f2fs_block_unit_discard(sbi))
+			return -EINVAL;
 		if (t == *ui)
 			return count;
 		*ui = t;
@@ -373,6 +484,13 @@
 			}
 		} else if (t == 2) {
 			sbi->gc_mode = GC_URGENT_LOW;
+		} else if (t == 3) {
+			sbi->gc_mode = GC_URGENT_MID;
+			if (sbi->gc_thread) {
+				sbi->gc_thread->gc_wake = 1;
+				wake_up_interruptible_all(
+					&sbi->gc_thread->gc_wait_queue_head);
+			}
 		} else {
 			return -EINVAL;
 		}
@@ -393,6 +511,15 @@
 		return count;
 	}
 
+	if (!strcmp(a->attr.name, "gc_urgent_high_remaining")) {
+		spin_lock(&sbi->gc_urgent_high_lock);
+		sbi->gc_urgent_high_remaining = t;
+		spin_unlock(&sbi->gc_urgent_high_lock);
+
+		return count;
+	}
+
+#ifdef CONFIG_F2FS_IOSTAT
 	if (!strcmp(a->attr.name, "iostat_enable")) {
 		sbi->iostat_enable = !!t;
 		if (!sbi->iostat_enable)
@@ -408,6 +535,78 @@
 		spin_unlock_irq(&sbi->iostat_lock);
 		return count;
 	}
+#endif
+
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	if (!strcmp(a->attr.name, "compr_written_block") ||
+		!strcmp(a->attr.name, "compr_saved_block")) {
+		if (t != 0)
+			return -EINVAL;
+		sbi->compr_written_block = 0;
+		sbi->compr_saved_block = 0;
+		return count;
+	}
+
+	if (!strcmp(a->attr.name, "compr_new_inode")) {
+		if (t != 0)
+			return -EINVAL;
+		sbi->compr_new_inode = 0;
+		return count;
+	}
+#endif
+
+	if (!strcmp(a->attr.name, "atgc_candidate_ratio")) {
+		if (t > 100)
+			return -EINVAL;
+		sbi->am.candidate_ratio = t;
+		return count;
+	}
+
+	if (!strcmp(a->attr.name, "atgc_age_weight")) {
+		if (t > 100)
+			return -EINVAL;
+		sbi->am.age_weight = t;
+		return count;
+	}
+
+	if (!strcmp(a->attr.name, "gc_segment_mode")) {
+		if (t < MAX_GC_MODE)
+			sbi->gc_segment_mode = t;
+		else
+			return -EINVAL;
+		return count;
+	}
+
+	if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
+		if (t != 0)
+			return -EINVAL;
+		sbi->gc_reclaimed_segs[sbi->gc_segment_mode] = 0;
+		return count;
+	}
+
+	if (!strcmp(a->attr.name, "seq_file_ra_mul")) {
+		if (t >= MIN_RA_MUL && t <= MAX_RA_MUL)
+			sbi->seq_file_ra_mul = t;
+		else
+			return -EINVAL;
+		return count;
+	}
+
+	if (!strcmp(a->attr.name, "max_fragment_chunk")) {
+		if (t >= MIN_FRAGMENT_SIZE && t <= MAX_FRAGMENT_SIZE)
+			sbi->max_fragment_chunk = t;
+		else
+			return -EINVAL;
+		return count;
+	}
+
+	if (!strcmp(a->attr.name, "max_fragment_hole")) {
+		if (t >= MIN_FRAGMENT_SIZE && t <= MAX_FRAGMENT_SIZE)
+			sbi->max_fragment_hole = t;
+		else
+			return -EINVAL;
+		return count;
+	}
 
 	*ui = (unsigned int)t;
 
@@ -460,46 +659,49 @@
 	complete(&sbi->s_kobj_unregister);
 }
 
-enum feat_id {
-	FEAT_CRYPTO = 0,
-	FEAT_BLKZONED,
-	FEAT_ATOMIC_WRITE,
-	FEAT_EXTRA_ATTR,
-	FEAT_PROJECT_QUOTA,
-	FEAT_INODE_CHECKSUM,
-	FEAT_FLEXIBLE_INLINE_XATTR,
-	FEAT_QUOTA_INO,
-	FEAT_INODE_CRTIME,
-	FEAT_LOST_FOUND,
-	FEAT_VERITY,
-	FEAT_SB_CHECKSUM,
-	FEAT_CASEFOLD,
-	FEAT_COMPRESSION,
-	FEAT_TEST_DUMMY_ENCRYPTION_V2,
-};
-
+/*
+ * Note that there are three feature list entries:
+ * 1) /sys/fs/f2fs/features
+ *   : shows runtime features supported by in-kernel f2fs along with Kconfig.
+ *     - ref. F2FS_FEATURE_RO_ATTR()
+ *
+ * 2) /sys/fs/f2fs/$s_id/features <deprecated>
+ *   : shows on-disk features enabled by mkfs.f2fs, used for old kernels. This
+ *     won't add new feature anymore, and thus, users should check entries in 3)
+ *     instead of this 2).
+ *
+ * 3) /sys/fs/f2fs/$s_id/feature_list
+ *   : shows on-disk features enabled by mkfs.f2fs per instance, which follows
+ *     sysfs entry rule where each entry should expose single value.
+ *     This list covers old feature list provided by 2) and beyond. Therefore,
+ *     please add new on-disk feature in this list only.
+ *     - ref. F2FS_SB_FEATURE_RO_ATTR()
+ */
 static ssize_t f2fs_feature_show(struct f2fs_attr *a,
 		struct f2fs_sb_info *sbi, char *buf)
 {
-	switch (a->id) {
-	case FEAT_CRYPTO:
-	case FEAT_BLKZONED:
-	case FEAT_ATOMIC_WRITE:
-	case FEAT_EXTRA_ATTR:
-	case FEAT_PROJECT_QUOTA:
-	case FEAT_INODE_CHECKSUM:
-	case FEAT_FLEXIBLE_INLINE_XATTR:
-	case FEAT_QUOTA_INO:
-	case FEAT_INODE_CRTIME:
-	case FEAT_LOST_FOUND:
-	case FEAT_VERITY:
-	case FEAT_SB_CHECKSUM:
-	case FEAT_CASEFOLD:
-	case FEAT_COMPRESSION:
-	case FEAT_TEST_DUMMY_ENCRYPTION_V2:
+	return sprintf(buf, "supported\n");
+}
+
+#define F2FS_FEATURE_RO_ATTR(_name)				\
+static struct f2fs_attr f2fs_attr_##_name = {			\
+	.attr = {.name = __stringify(_name), .mode = 0444 },	\
+	.show	= f2fs_feature_show,				\
+}
+
+static ssize_t f2fs_sb_feature_show(struct f2fs_attr *a,
+		struct f2fs_sb_info *sbi, char *buf)
+{
+	if (F2FS_HAS_FEATURE(sbi, a->id))
 		return sprintf(buf, "supported\n");
-	}
-	return 0;
+	return sprintf(buf, "unsupported\n");
+}
+
+#define F2FS_SB_FEATURE_RO_ATTR(_name, _feat)			\
+static struct f2fs_attr f2fs_attr_sb_##_name = {		\
+	.attr = {.name = __stringify(_name), .mode = 0444 },	\
+	.show	= f2fs_sb_feature_show,				\
+	.id	= F2FS_FEATURE_##_feat,				\
 }
 
 #define F2FS_ATTR_OFFSET(_struct_type, _name, _mode, _show, _store, _offset) \
@@ -519,13 +721,6 @@
 #define F2FS_GENERAL_RO_ATTR(name) \
 static struct f2fs_attr f2fs_attr_##name = __ATTR(name, 0444, name##_show, NULL)
 
-#define F2FS_FEATURE_RO_ATTR(_name, _id)			\
-static struct f2fs_attr f2fs_attr_##_name = {			\
-	.attr = {.name = __stringify(_name), .mode = 0444 },	\
-	.show	= f2fs_feature_show,				\
-	.id	= _id,						\
-}
-
 #define F2FS_STAT_ATTR(_struct_type, _struct_name, _name, _elname)	\
 static struct f2fs_attr f2fs_attr_##_name = {			\
 	.attr = {.name = __stringify(_name), .mode = 0444 },	\
@@ -543,6 +738,10 @@
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_urgent, gc_mode);
 F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments);
 F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_small_discards, max_discards);
+F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_discard_request, max_discard_request);
+F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, min_discard_issue_time, min_discard_issue_time);
+F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, mid_discard_issue_time, mid_discard_issue_time);
+F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_discard_issue_time, max_discard_issue_time);
 F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, discard_granularity, discard_granularity);
 F2FS_RW_ATTR(RESERVED_BLOCKS, f2fs_sb_info, reserved_blocks, reserved_blocks);
 F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
@@ -555,6 +754,7 @@
 F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh);
 F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages);
 F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, dirty_nats_ratio, dirty_nats_ratio);
+F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, max_roll_forward_node_blocks, max_rf_node_blocks);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, migration_granularity, migration_granularity);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level);
@@ -565,9 +765,12 @@
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle_interval, interval_time[GC_TIME]);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info,
 		umount_discard_timeout, interval_time[UMOUNT_DISCARD_TIMEOUT]);
+#ifdef CONFIG_F2FS_IOSTAT
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_period_ms, iostat_period_ms);
+#endif
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_io_bytes, max_io_bytes);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_super_block, extension_list, extension_list);
 #ifdef CONFIG_F2FS_FAULT_INJECTION
@@ -576,8 +779,11 @@
 #endif
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, data_io_flag, data_io_flag);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, node_io_flag, node_io_flag);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_urgent_high_remaining, gc_urgent_high_remaining);
+F2FS_RW_ATTR(CPRC_INFO, ckpt_req_control, ckpt_thread_ioprio, ckpt_thread_ioprio);
 F2FS_GENERAL_RO_ATTR(dirty_segments);
 F2FS_GENERAL_RO_ATTR(free_segments);
+F2FS_GENERAL_RO_ATTR(ovp_segments);
 F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes);
 F2FS_GENERAL_RO_ATTR(features);
 F2FS_GENERAL_RO_ATTR(current_reserved_blocks);
@@ -585,6 +791,7 @@
 F2FS_GENERAL_RO_ATTR(encoding);
 F2FS_GENERAL_RO_ATTR(mounted_time_sec);
 F2FS_GENERAL_RO_ATTR(main_blkaddr);
+F2FS_GENERAL_RO_ATTR(pending_discard);
 #ifdef CONFIG_F2FS_STAT_FS
 F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_foreground_calls, cp_count);
 F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_background_calls, bg_cp_count);
@@ -596,30 +803,50 @@
 #endif
 
 #ifdef CONFIG_FS_ENCRYPTION
-F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
-F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2);
-#endif
-#ifdef CONFIG_BLK_DEV_ZONED
-F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
-#endif
-F2FS_FEATURE_RO_ATTR(atomic_write, FEAT_ATOMIC_WRITE);
-F2FS_FEATURE_RO_ATTR(extra_attr, FEAT_EXTRA_ATTR);
-F2FS_FEATURE_RO_ATTR(project_quota, FEAT_PROJECT_QUOTA);
-F2FS_FEATURE_RO_ATTR(inode_checksum, FEAT_INODE_CHECKSUM);
-F2FS_FEATURE_RO_ATTR(flexible_inline_xattr, FEAT_FLEXIBLE_INLINE_XATTR);
-F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
-F2FS_FEATURE_RO_ATTR(inode_crtime, FEAT_INODE_CRTIME);
-F2FS_FEATURE_RO_ATTR(lost_found, FEAT_LOST_FOUND);
-#ifdef CONFIG_FS_VERITY
-F2FS_FEATURE_RO_ATTR(verity, FEAT_VERITY);
-#endif
-F2FS_FEATURE_RO_ATTR(sb_checksum, FEAT_SB_CHECKSUM);
+F2FS_FEATURE_RO_ATTR(encryption);
+F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2);
 #ifdef CONFIG_UNICODE
-F2FS_FEATURE_RO_ATTR(casefold, FEAT_CASEFOLD);
+F2FS_FEATURE_RO_ATTR(encrypted_casefold);
 #endif
+#endif /* CONFIG_FS_ENCRYPTION */
+#ifdef CONFIG_BLK_DEV_ZONED
+F2FS_FEATURE_RO_ATTR(block_zoned);
+#endif
+F2FS_FEATURE_RO_ATTR(atomic_write);
+F2FS_FEATURE_RO_ATTR(extra_attr);
+F2FS_FEATURE_RO_ATTR(project_quota);
+F2FS_FEATURE_RO_ATTR(inode_checksum);
+F2FS_FEATURE_RO_ATTR(flexible_inline_xattr);
+F2FS_FEATURE_RO_ATTR(quota_ino);
+F2FS_FEATURE_RO_ATTR(inode_crtime);
+F2FS_FEATURE_RO_ATTR(lost_found);
+#ifdef CONFIG_FS_VERITY
+F2FS_FEATURE_RO_ATTR(verity);
+#endif
+F2FS_FEATURE_RO_ATTR(sb_checksum);
+#ifdef CONFIG_UNICODE
+F2FS_FEATURE_RO_ATTR(casefold);
+#endif
+F2FS_FEATURE_RO_ATTR(readonly);
 #ifdef CONFIG_F2FS_FS_COMPRESSION
-F2FS_FEATURE_RO_ATTR(compression, FEAT_COMPRESSION);
+F2FS_FEATURE_RO_ATTR(compression);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_written_block, compr_written_block);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_saved_block, compr_saved_block);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_new_inode, compr_new_inode);
 #endif
+F2FS_FEATURE_RO_ATTR(pin_file);
+
+/* For ATGC */
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_candidate_ratio, candidate_ratio);
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_candidate_count, max_candidate_count);
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_weight, age_weight);
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_threshold, age_threshold);
+
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, seq_file_ra_mul, seq_file_ra_mul);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_segment_mode, gc_segment_mode);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_reclaimed_segments, gc_reclaimed_segs);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_fragment_chunk, max_fragment_chunk);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_fragment_hole, max_fragment_hole);
 
 #define ATTR_LIST(name) (&f2fs_attr_##name.attr)
 static struct attribute *f2fs_attrs[] = {
@@ -632,7 +859,12 @@
 	ATTR_LIST(reclaim_segments),
 	ATTR_LIST(main_blkaddr),
 	ATTR_LIST(max_small_discards),
+	ATTR_LIST(max_discard_request),
+	ATTR_LIST(min_discard_issue_time),
+	ATTR_LIST(mid_discard_issue_time),
+	ATTR_LIST(max_discard_issue_time),
 	ATTR_LIST(discard_granularity),
+	ATTR_LIST(pending_discard),
 	ATTR_LIST(batched_trim_sections),
 	ATTR_LIST(ipu_policy),
 	ATTR_LIST(min_ipu_util),
@@ -646,14 +878,18 @@
 	ATTR_LIST(ram_thresh),
 	ATTR_LIST(ra_nid_pages),
 	ATTR_LIST(dirty_nats_ratio),
+	ATTR_LIST(max_roll_forward_node_blocks),
 	ATTR_LIST(cp_interval),
 	ATTR_LIST(idle_interval),
 	ATTR_LIST(discard_idle_interval),
 	ATTR_LIST(gc_idle_interval),
 	ATTR_LIST(umount_discard_timeout),
+#ifdef CONFIG_F2FS_IOSTAT
 	ATTR_LIST(iostat_enable),
 	ATTR_LIST(iostat_period_ms),
+#endif
 	ATTR_LIST(readdir_ra),
+	ATTR_LIST(max_io_bytes),
 	ATTR_LIST(gc_pin_file_thresh),
 	ATTR_LIST(extension_list),
 #ifdef CONFIG_F2FS_FAULT_INJECTION
@@ -662,8 +898,11 @@
 #endif
 	ATTR_LIST(data_io_flag),
 	ATTR_LIST(node_io_flag),
+	ATTR_LIST(gc_urgent_high_remaining),
+	ATTR_LIST(ckpt_thread_ioprio),
 	ATTR_LIST(dirty_segments),
 	ATTR_LIST(free_segments),
+	ATTR_LIST(ovp_segments),
 	ATTR_LIST(unusable),
 	ATTR_LIST(lifetime_write_kbytes),
 	ATTR_LIST(features),
@@ -680,6 +919,21 @@
 	ATTR_LIST(moved_blocks_background),
 	ATTR_LIST(avg_vblocks),
 #endif
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+	ATTR_LIST(compr_written_block),
+	ATTR_LIST(compr_saved_block),
+	ATTR_LIST(compr_new_inode),
+#endif
+	/* For ATGC */
+	ATTR_LIST(atgc_candidate_ratio),
+	ATTR_LIST(atgc_candidate_count),
+	ATTR_LIST(atgc_age_weight),
+	ATTR_LIST(atgc_age_threshold),
+	ATTR_LIST(seq_file_ra_mul),
+	ATTR_LIST(gc_segment_mode),
+	ATTR_LIST(gc_reclaimed_segments),
+	ATTR_LIST(max_fragment_chunk),
+	ATTR_LIST(max_fragment_hole),
 	NULL,
 };
 ATTRIBUTE_GROUPS(f2fs);
@@ -688,7 +942,10 @@
 #ifdef CONFIG_FS_ENCRYPTION
 	ATTR_LIST(encryption),
 	ATTR_LIST(test_dummy_encryption_v2),
+#ifdef CONFIG_UNICODE
+	ATTR_LIST(encrypted_casefold),
 #endif
+#endif /* CONFIG_FS_ENCRYPTION */
 #ifdef CONFIG_BLK_DEV_ZONED
 	ATTR_LIST(block_zoned),
 #endif
@@ -707,13 +964,56 @@
 #ifdef CONFIG_UNICODE
 	ATTR_LIST(casefold),
 #endif
+	ATTR_LIST(readonly),
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	ATTR_LIST(compression),
 #endif
+	ATTR_LIST(pin_file),
 	NULL,
 };
 ATTRIBUTE_GROUPS(f2fs_feat);
 
+F2FS_GENERAL_RO_ATTR(sb_status);
+static struct attribute *f2fs_stat_attrs[] = {
+	ATTR_LIST(sb_status),
+	NULL,
+};
+ATTRIBUTE_GROUPS(f2fs_stat);
+
+F2FS_SB_FEATURE_RO_ATTR(encryption, ENCRYPT);
+F2FS_SB_FEATURE_RO_ATTR(block_zoned, BLKZONED);
+F2FS_SB_FEATURE_RO_ATTR(extra_attr, EXTRA_ATTR);
+F2FS_SB_FEATURE_RO_ATTR(project_quota, PRJQUOTA);
+F2FS_SB_FEATURE_RO_ATTR(inode_checksum, INODE_CHKSUM);
+F2FS_SB_FEATURE_RO_ATTR(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
+F2FS_SB_FEATURE_RO_ATTR(quota_ino, QUOTA_INO);
+F2FS_SB_FEATURE_RO_ATTR(inode_crtime, INODE_CRTIME);
+F2FS_SB_FEATURE_RO_ATTR(lost_found, LOST_FOUND);
+F2FS_SB_FEATURE_RO_ATTR(verity, VERITY);
+F2FS_SB_FEATURE_RO_ATTR(sb_checksum, SB_CHKSUM);
+F2FS_SB_FEATURE_RO_ATTR(casefold, CASEFOLD);
+F2FS_SB_FEATURE_RO_ATTR(compression, COMPRESSION);
+F2FS_SB_FEATURE_RO_ATTR(readonly, RO);
+
+static struct attribute *f2fs_sb_feat_attrs[] = {
+	ATTR_LIST(sb_encryption),
+	ATTR_LIST(sb_block_zoned),
+	ATTR_LIST(sb_extra_attr),
+	ATTR_LIST(sb_project_quota),
+	ATTR_LIST(sb_inode_checksum),
+	ATTR_LIST(sb_flexible_inline_xattr),
+	ATTR_LIST(sb_quota_ino),
+	ATTR_LIST(sb_inode_crtime),
+	ATTR_LIST(sb_lost_found),
+	ATTR_LIST(sb_verity),
+	ATTR_LIST(sb_sb_checksum),
+	ATTR_LIST(sb_casefold),
+	ATTR_LIST(sb_compression),
+	ATTR_LIST(sb_readonly),
+	NULL,
+};
+ATTRIBUTE_GROUPS(f2fs_sb_feat);
+
 static const struct sysfs_ops f2fs_attr_ops = {
 	.show	= f2fs_attr_show,
 	.store	= f2fs_attr_store,
@@ -742,6 +1042,71 @@
 	.kset	= &f2fs_kset,
 };
 
+static ssize_t f2fs_stat_attr_show(struct kobject *kobj,
+				struct attribute *attr, char *buf)
+{
+	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+								s_stat_kobj);
+	struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
+
+	return a->show ? a->show(a, sbi, buf) : 0;
+}
+
+static ssize_t f2fs_stat_attr_store(struct kobject *kobj, struct attribute *attr,
+						const char *buf, size_t len)
+{
+	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+								s_stat_kobj);
+	struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
+
+	return a->store ? a->store(a, sbi, buf, len) : 0;
+}
+
+static void f2fs_stat_kobj_release(struct kobject *kobj)
+{
+	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+								s_stat_kobj);
+	complete(&sbi->s_stat_kobj_unregister);
+}
+
+static const struct sysfs_ops f2fs_stat_attr_ops = {
+	.show	= f2fs_stat_attr_show,
+	.store	= f2fs_stat_attr_store,
+};
+
+static struct kobj_type f2fs_stat_ktype = {
+	.default_groups = f2fs_stat_groups,
+	.sysfs_ops	= &f2fs_stat_attr_ops,
+	.release	= f2fs_stat_kobj_release,
+};
+
+static ssize_t f2fs_sb_feat_attr_show(struct kobject *kobj,
+				struct attribute *attr, char *buf)
+{
+	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+							s_feature_list_kobj);
+	struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
+
+	return a->show ? a->show(a, sbi, buf) : 0;
+}
+
+static void f2fs_feature_list_kobj_release(struct kobject *kobj)
+{
+	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+							s_feature_list_kobj);
+	complete(&sbi->s_feature_list_kobj_unregister);
+}
+
+static const struct sysfs_ops f2fs_feature_list_attr_ops = {
+	.show	= f2fs_sb_feat_attr_show,
+};
+
+static struct kobj_type f2fs_feature_list_ktype = {
+	.default_groups = f2fs_sb_feat_groups,
+	.sysfs_ops	= &f2fs_feature_list_attr_ops,
+	.release	= f2fs_feature_list_kobj_release,
+};
+
 static int __maybe_unused segment_info_seq_show(struct seq_file *seq,
 						void *offset)
 {
@@ -793,101 +1158,6 @@
 	return 0;
 }
 
-void f2fs_record_iostat(struct f2fs_sb_info *sbi)
-{
-	unsigned long long iostat_diff[NR_IO_TYPE];
-	int i;
-
-	if (time_is_after_jiffies(sbi->iostat_next_period))
-		return;
-
-	/* Need double check under the lock */
-	spin_lock(&sbi->iostat_lock);
-	if (time_is_after_jiffies(sbi->iostat_next_period)) {
-		spin_unlock(&sbi->iostat_lock);
-		return;
-	}
-	sbi->iostat_next_period = jiffies +
-				msecs_to_jiffies(sbi->iostat_period_ms);
-
-	for (i = 0; i < NR_IO_TYPE; i++) {
-		iostat_diff[i] = sbi->rw_iostat[i] -
-				sbi->prev_rw_iostat[i];
-		sbi->prev_rw_iostat[i] = sbi->rw_iostat[i];
-	}
-	spin_unlock(&sbi->iostat_lock);
-
-	trace_f2fs_iostat(sbi, iostat_diff);
-}
-
-static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
-					       void *offset)
-{
-	struct super_block *sb = seq->private;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
-	time64_t now = ktime_get_real_seconds();
-
-	if (!sbi->iostat_enable)
-		return 0;
-
-	seq_printf(seq, "time:		%-16llu\n", now);
-
-	/* print app write IOs */
-	seq_puts(seq, "[WRITE]\n");
-	seq_printf(seq, "app buffered:	%-16llu\n",
-				sbi->rw_iostat[APP_BUFFERED_IO]);
-	seq_printf(seq, "app direct:	%-16llu\n",
-				sbi->rw_iostat[APP_DIRECT_IO]);
-	seq_printf(seq, "app mapped:	%-16llu\n",
-				sbi->rw_iostat[APP_MAPPED_IO]);
-
-	/* print fs write IOs */
-	seq_printf(seq, "fs data:	%-16llu\n",
-				sbi->rw_iostat[FS_DATA_IO]);
-	seq_printf(seq, "fs node:	%-16llu\n",
-				sbi->rw_iostat[FS_NODE_IO]);
-	seq_printf(seq, "fs meta:	%-16llu\n",
-				sbi->rw_iostat[FS_META_IO]);
-	seq_printf(seq, "fs gc data:	%-16llu\n",
-				sbi->rw_iostat[FS_GC_DATA_IO]);
-	seq_printf(seq, "fs gc node:	%-16llu\n",
-				sbi->rw_iostat[FS_GC_NODE_IO]);
-	seq_printf(seq, "fs cp data:	%-16llu\n",
-				sbi->rw_iostat[FS_CP_DATA_IO]);
-	seq_printf(seq, "fs cp node:	%-16llu\n",
-				sbi->rw_iostat[FS_CP_NODE_IO]);
-	seq_printf(seq, "fs cp meta:	%-16llu\n",
-				sbi->rw_iostat[FS_CP_META_IO]);
-
-	/* print app read IOs */
-	seq_puts(seq, "[READ]\n");
-	seq_printf(seq, "app buffered:	%-16llu\n",
-				sbi->rw_iostat[APP_BUFFERED_READ_IO]);
-	seq_printf(seq, "app direct:	%-16llu\n",
-				sbi->rw_iostat[APP_DIRECT_READ_IO]);
-	seq_printf(seq, "app mapped:	%-16llu\n",
-				sbi->rw_iostat[APP_MAPPED_READ_IO]);
-
-	/* print fs read IOs */
-	seq_printf(seq, "fs data:	%-16llu\n",
-				sbi->rw_iostat[FS_DATA_READ_IO]);
-	seq_printf(seq, "fs gc data:	%-16llu\n",
-				sbi->rw_iostat[FS_GDATA_READ_IO]);
-	seq_printf(seq, "fs compr_data:	%-16llu\n",
-				sbi->rw_iostat[FS_CDATA_READ_IO]);
-	seq_printf(seq, "fs node:	%-16llu\n",
-				sbi->rw_iostat[FS_NODE_READ_IO]);
-	seq_printf(seq, "fs meta:	%-16llu\n",
-				sbi->rw_iostat[FS_META_READ_IO]);
-
-	/* print other IOs */
-	seq_puts(seq, "[OTHER]\n");
-	seq_printf(seq, "fs discard:	%-16llu\n",
-				sbi->rw_iostat[FS_DISCARD]);
-
-	return 0;
-}
-
 static int __maybe_unused victim_bits_seq_show(struct seq_file *seq,
 						void *offset)
 {
@@ -948,37 +1218,71 @@
 	init_completion(&sbi->s_kobj_unregister);
 	err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL,
 				"%s", sb->s_id);
-	if (err) {
-		kobject_put(&sbi->s_kobj);
-		wait_for_completion(&sbi->s_kobj_unregister);
-		return err;
-	}
+	if (err)
+		goto put_sb_kobj;
+
+	sbi->s_stat_kobj.kset = &f2fs_kset;
+	init_completion(&sbi->s_stat_kobj_unregister);
+	err = kobject_init_and_add(&sbi->s_stat_kobj, &f2fs_stat_ktype,
+						&sbi->s_kobj, "stat");
+	if (err)
+		goto put_stat_kobj;
+
+	sbi->s_feature_list_kobj.kset = &f2fs_kset;
+	init_completion(&sbi->s_feature_list_kobj_unregister);
+	err = kobject_init_and_add(&sbi->s_feature_list_kobj,
+					&f2fs_feature_list_ktype,
+					&sbi->s_kobj, "feature_list");
+	if (err)
+		goto put_feature_list_kobj;
 
 	if (f2fs_proc_root)
 		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
 
 	if (sbi->s_proc) {
-		proc_create_single_data("segment_info", S_IRUGO, sbi->s_proc,
+		proc_create_single_data("segment_info", 0444, sbi->s_proc,
 				segment_info_seq_show, sb);
-		proc_create_single_data("segment_bits", S_IRUGO, sbi->s_proc,
+		proc_create_single_data("segment_bits", 0444, sbi->s_proc,
 				segment_bits_seq_show, sb);
-		proc_create_single_data("iostat_info", S_IRUGO, sbi->s_proc,
+#ifdef CONFIG_F2FS_IOSTAT
+		proc_create_single_data("iostat_info", 0444, sbi->s_proc,
 				iostat_info_seq_show, sb);
-		proc_create_single_data("victim_bits", S_IRUGO, sbi->s_proc,
+#endif
+		proc_create_single_data("victim_bits", 0444, sbi->s_proc,
 				victim_bits_seq_show, sb);
 	}
 	return 0;
+put_feature_list_kobj:
+	kobject_put(&sbi->s_feature_list_kobj);
+	wait_for_completion(&sbi->s_feature_list_kobj_unregister);
+put_stat_kobj:
+	kobject_put(&sbi->s_stat_kobj);
+	wait_for_completion(&sbi->s_stat_kobj_unregister);
+put_sb_kobj:
+	kobject_put(&sbi->s_kobj);
+	wait_for_completion(&sbi->s_kobj_unregister);
+	return err;
 }
 
 void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)
 {
 	if (sbi->s_proc) {
+#ifdef CONFIG_F2FS_IOSTAT
 		remove_proc_entry("iostat_info", sbi->s_proc);
+#endif
 		remove_proc_entry("segment_info", sbi->s_proc);
 		remove_proc_entry("segment_bits", sbi->s_proc);
 		remove_proc_entry("victim_bits", sbi->s_proc);
 		remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);
 	}
+
+	kobject_del(&sbi->s_stat_kobj);
+	kobject_put(&sbi->s_stat_kobj);
+	wait_for_completion(&sbi->s_stat_kobj_unregister);
+	kobject_del(&sbi->s_feature_list_kobj);
+	kobject_put(&sbi->s_feature_list_kobj);
+	wait_for_completion(&sbi->s_feature_list_kobj_unregister);
+
 	kobject_del(&sbi->s_kobj);
 	kobject_put(&sbi->s_kobj);
 	wait_for_completion(&sbi->s_kobj_unregister);
diff --git a/fs/f2fs/trace.c b/fs/f2fs/trace.c
deleted file mode 100644
index d0ab533..0000000
--- a/fs/f2fs/trace.c
+++ /dev/null
@@ -1,165 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * f2fs IO tracer
- *
- * Copyright (c) 2014 Motorola Mobility
- * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
- */
-#include <linux/fs.h>
-#include <linux/f2fs_fs.h>
-#include <linux/sched.h>
-#include <linux/radix-tree.h>
-
-#include "f2fs.h"
-#include "trace.h"
-
-static RADIX_TREE(pids, GFP_ATOMIC);
-static spinlock_t pids_lock;
-static struct last_io_info last_io;
-
-static inline void __print_last_io(void)
-{
-	if (!last_io.len)
-		return;
-
-	trace_printk("%3x:%3x %4x %-16s %2x %5x %5x %12x %4x\n",
-			last_io.major, last_io.minor,
-			last_io.pid, "----------------",
-			last_io.type,
-			last_io.fio.op, last_io.fio.op_flags,
-			last_io.fio.new_blkaddr,
-			last_io.len);
-	memset(&last_io, 0, sizeof(last_io));
-}
-
-static int __file_type(struct inode *inode, pid_t pid)
-{
-	if (f2fs_is_atomic_file(inode))
-		return __ATOMIC_FILE;
-	else if (f2fs_is_volatile_file(inode))
-		return __VOLATILE_FILE;
-	else if (S_ISDIR(inode->i_mode))
-		return __DIR_FILE;
-	else if (inode->i_ino == F2FS_NODE_INO(F2FS_I_SB(inode)))
-		return __NODE_FILE;
-	else if (inode->i_ino == F2FS_META_INO(F2FS_I_SB(inode)))
-		return __META_FILE;
-	else if (pid)
-		return __NORMAL_FILE;
-	else
-		return __MISC_FILE;
-}
-
-void f2fs_trace_pid(struct page *page)
-{
-	struct inode *inode = page->mapping->host;
-	pid_t pid = task_pid_nr(current);
-	void *p;
-
-	set_page_private(page, (unsigned long)pid);
-
-retry:
-	if (radix_tree_preload(GFP_NOFS))
-		return;
-
-	spin_lock(&pids_lock);
-	p = radix_tree_lookup(&pids, pid);
-	if (p == current)
-		goto out;
-	if (p)
-		radix_tree_delete(&pids, pid);
-
-	if (radix_tree_insert(&pids, pid, current)) {
-		spin_unlock(&pids_lock);
-		radix_tree_preload_end();
-		cond_resched();
-		goto retry;
-	}
-
-	trace_printk("%3x:%3x %4x %-16s\n",
-			MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev),
-			pid, current->comm);
-out:
-	spin_unlock(&pids_lock);
-	radix_tree_preload_end();
-}
-
-void f2fs_trace_ios(struct f2fs_io_info *fio, int flush)
-{
-	struct inode *inode;
-	pid_t pid;
-	int major, minor;
-
-	if (flush) {
-		__print_last_io();
-		return;
-	}
-
-	inode = fio->page->mapping->host;
-	pid = page_private(fio->page);
-
-	major = MAJOR(inode->i_sb->s_dev);
-	minor = MINOR(inode->i_sb->s_dev);
-
-	if (last_io.major == major && last_io.minor == minor &&
-			last_io.pid == pid &&
-			last_io.type == __file_type(inode, pid) &&
-			last_io.fio.op == fio->op &&
-			last_io.fio.op_flags == fio->op_flags &&
-			last_io.fio.new_blkaddr + last_io.len ==
-							fio->new_blkaddr) {
-		last_io.len++;
-		return;
-	}
-
-	__print_last_io();
-
-	last_io.major = major;
-	last_io.minor = minor;
-	last_io.pid = pid;
-	last_io.type = __file_type(inode, pid);
-	last_io.fio = *fio;
-	last_io.len = 1;
-	return;
-}
-
-void f2fs_build_trace_ios(void)
-{
-	spin_lock_init(&pids_lock);
-}
-
-#define PIDVEC_SIZE	128
-static unsigned int gang_lookup_pids(pid_t *results, unsigned long first_index,
-							unsigned int max_items)
-{
-	struct radix_tree_iter iter;
-	void **slot;
-	unsigned int ret = 0;
-
-	if (unlikely(!max_items))
-		return 0;
-
-	radix_tree_for_each_slot(slot, &pids, &iter, first_index) {
-		results[ret] = iter.index;
-		if (++ret == max_items)
-			break;
-	}
-	return ret;
-}
-
-void f2fs_destroy_trace_ios(void)
-{
-	pid_t pid[PIDVEC_SIZE];
-	pid_t next_pid = 0;
-	unsigned int found;
-
-	spin_lock(&pids_lock);
-	while ((found = gang_lookup_pids(pid, next_pid, PIDVEC_SIZE))) {
-		unsigned idx;
-
-		next_pid = pid[found - 1] + 1;
-		for (idx = 0; idx < found; idx++)
-			radix_tree_delete(&pids, pid[idx]);
-	}
-	spin_unlock(&pids_lock);
-}
diff --git a/fs/f2fs/trace.h b/fs/f2fs/trace.h
deleted file mode 100644
index 789f6aa..0000000
--- a/fs/f2fs/trace.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * f2fs IO tracer
- *
- * Copyright (c) 2014 Motorola Mobility
- * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
- */
-#ifndef __F2FS_TRACE_H__
-#define __F2FS_TRACE_H__
-
-#ifdef CONFIG_F2FS_IO_TRACE
-#include <trace/events/f2fs.h>
-
-enum file_type {
-	__NORMAL_FILE,
-	__DIR_FILE,
-	__NODE_FILE,
-	__META_FILE,
-	__ATOMIC_FILE,
-	__VOLATILE_FILE,
-	__MISC_FILE,
-};
-
-struct last_io_info {
-	int major, minor;
-	pid_t pid;
-	enum file_type type;
-	struct f2fs_io_info fio;
-	block_t len;
-};
-
-extern void f2fs_trace_pid(struct page *);
-extern void f2fs_trace_ios(struct f2fs_io_info *, int);
-extern void f2fs_build_trace_ios(void);
-extern void f2fs_destroy_trace_ios(void);
-#else
-#define f2fs_trace_pid(p)
-#define f2fs_trace_ios(i, n)
-#define f2fs_build_trace_ios()
-#define f2fs_destroy_trace_ios()
-
-#endif
-#endif /* __F2FS_TRACE_H__ */
diff --git a/fs/f2fs/verity.c b/fs/f2fs/verity.c
index cef40d9..f78fdc3 100644
--- a/fs/f2fs/verity.c
+++ b/fs/f2fs/verity.c
@@ -130,7 +130,7 @@
 	 * here and not rely on ->open() doing it.  This must be done before
 	 * evicting the inline data.
 	 */
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		return err;
 
@@ -202,7 +202,7 @@
 	 * from re-instantiating cached pages we are truncating (since unlike
 	 * normal file accesses, garbage collection isn't limited by i_size).
 	 */
-	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	truncate_inode_pages(inode->i_mapping, inode->i_size);
 	err2 = f2fs_truncate(inode);
 	if (err2) {
@@ -210,7 +210,7 @@
 			 err2);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 	}
-	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+	f2fs_up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	clear_inode_flag(inode, FI_VERITY_IN_PROGRESS);
 	return err ?: err2;
 }
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index dd50b747..e8d7b7f 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -27,7 +27,8 @@
 {
 	if (likely(size == sbi->inline_xattr_slab_size)) {
 		*is_inline = true;
-		return kmem_cache_zalloc(sbi->inline_xattr_slab, GFP_NOFS);
+		return f2fs_kmem_cache_alloc(sbi->inline_xattr_slab,
+					GFP_F2FS_ZERO, false, sbi);
 	}
 	*is_inline = false;
 	return f2fs_kzalloc(sbi, size, GFP_NOFS);
@@ -44,7 +45,7 @@
 
 static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
 		struct dentry *unused, struct inode *inode,
-		const char *name, void *buffer, size_t size)
+		const char *name, void *buffer, size_t size, int flags)
 {
 	struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
 
@@ -99,7 +100,7 @@
 
 static int f2fs_xattr_advise_get(const struct xattr_handler *handler,
 		struct dentry *unused, struct inode *inode,
-		const char *name, void *buffer, size_t size)
+		const char *name, void *buffer, size_t size, int flags)
 {
 	if (buffer)
 		*((char *)buffer) = F2FS_I(inode)->i_advise;
@@ -223,15 +224,18 @@
 }
 
 static struct f2fs_xattr_entry *__find_xattr(void *base_addr,
-				void *last_base_addr, int index,
-				size_t len, const char *name)
+				void *last_base_addr, void **last_addr,
+				int index, size_t len, const char *name)
 {
 	struct f2fs_xattr_entry *entry;
 
 	list_for_each_xattr(entry, base_addr) {
 		if ((void *)(entry) + sizeof(__u32) > last_base_addr ||
-			(void *)XATTR_NEXT_ENTRY(entry) > last_base_addr)
+			(void *)XATTR_NEXT_ENTRY(entry) > last_base_addr) {
+			if (last_addr)
+				*last_addr = entry;
 			return NULL;
+		}
 
 		if (entry->e_name_index != index)
 			continue;
@@ -251,19 +255,9 @@
 	unsigned int inline_size = inline_xattr_size(inode);
 	void *max_addr = base_addr + inline_size;
 
-	list_for_each_xattr(entry, base_addr) {
-		if ((void *)entry + sizeof(__u32) > max_addr ||
-			(void *)XATTR_NEXT_ENTRY(entry) > max_addr) {
-			*last_addr = entry;
-			return NULL;
-		}
-		if (entry->e_name_index != index)
-			continue;
-		if (entry->e_name_len != len)
-			continue;
-		if (!memcmp(entry->e_name, name, len))
-			break;
-	}
+	entry = __find_xattr(base_addr, max_addr, last_addr, index, len, name);
+	if (!entry)
+		return NULL;
 
 	/* inline xattr header or entry across max inline xattr size */
 	if (IS_XATTR_LAST_ENTRY(entry) &&
@@ -327,7 +321,7 @@
 	void *last_addr = NULL;
 	nid_t xnid = F2FS_I(inode)->i_xattr_nid;
 	unsigned int inline_size = inline_xattr_size(inode);
-	int err = 0;
+	int err;
 
 	if (!xnid && !inline_size)
 		return -ENODATA;
@@ -365,12 +359,12 @@
 	else
 		cur_addr = txattr_addr;
 
-	*xe = __find_xattr(cur_addr, last_txattr_addr, index, len, name);
+	*xe = __find_xattr(cur_addr, last_txattr_addr, NULL, index, len, name);
 	if (!*xe) {
-		f2fs_err(F2FS_I_SB(inode), "inode (%lu) has corrupted xattr",
+		f2fs_err(F2FS_I_SB(inode), "lookup inode (%lu) has corrupted xattr",
 								inode->i_ino);
 		set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
-		err = -EFSCORRUPTED;
+		err = -ENODATA;
 		goto out;
 	}
 check:
@@ -486,6 +480,7 @@
 		f2fs_wait_on_page_writeback(xpage, NODE, true, true);
 	} else {
 		struct dnode_of_data dn;
+
 		set_new_dnode(&dn, inode, NULL, NULL, new_nid);
 		xpage = f2fs_new_node_page(&dn, XATTR_NODE_OFFSET);
 		if (IS_ERR(xpage)) {
@@ -515,7 +510,7 @@
 		void *buffer, size_t buffer_size, struct page *ipage)
 {
 	struct f2fs_xattr_entry *entry = NULL;
-	int error = 0;
+	int error;
 	unsigned int size, len;
 	void *base_addr = NULL;
 	int base_size;
@@ -528,10 +523,12 @@
 	if (len > F2FS_NAME_LEN)
 		return -ERANGE;
 
-	down_read(&F2FS_I(inode)->i_xattr_sem);
+	if (!ipage)
+		f2fs_down_read(&F2FS_I(inode)->i_xattr_sem);
 	error = lookup_all_xattrs(inode, ipage, index, len, name,
 				&entry, &base_addr, &base_size, &is_inline);
-	up_read(&F2FS_I(inode)->i_xattr_sem);
+	if (!ipage)
+		f2fs_up_read(&F2FS_I(inode)->i_xattr_sem);
 	if (error)
 		return error;
 
@@ -562,12 +559,12 @@
 	struct inode *inode = d_inode(dentry);
 	struct f2fs_xattr_entry *entry;
 	void *base_addr, *last_base_addr;
-	int error = 0;
+	int error;
 	size_t rest = buffer_size;
 
-	down_read(&F2FS_I(inode)->i_xattr_sem);
+	f2fs_down_read(&F2FS_I(inode)->i_xattr_sem);
 	error = read_all_xattrs(inode, NULL, &base_addr);
-	up_read(&F2FS_I(inode)->i_xattr_sem);
+	f2fs_up_read(&F2FS_I(inode)->i_xattr_sem);
 	if (error)
 		return error;
 
@@ -582,11 +579,10 @@
 
 		if ((void *)(entry) + sizeof(__u32) > last_base_addr ||
 			(void *)XATTR_NEXT_ENTRY(entry) > last_base_addr) {
-			f2fs_err(F2FS_I_SB(inode), "inode (%lu) has corrupted xattr",
+			f2fs_err(F2FS_I_SB(inode), "list inode (%lu) has corrupted xattr",
 						inode->i_ino);
 			set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
-			error = -EFSCORRUPTED;
-			goto cleanup;
+			break;
 		}
 
 		if (!handler || (handler->list && !handler->list(dentry)))
@@ -632,7 +628,7 @@
 	int found, newsize;
 	size_t len;
 	__u32 new_hsize;
-	int error = 0;
+	int error;
 
 	if (name == NULL)
 		return -EINVAL;
@@ -647,7 +643,7 @@
 
 	if (size > MAX_VALUE_LEN(inode))
 		return -E2BIG;
-
+retry:
 	error = read_all_xattrs(inode, ipage, &base_addr);
 	if (error)
 		return error;
@@ -655,9 +651,16 @@
 	last_base_addr = (void *)base_addr + XATTR_SIZE(inode);
 
 	/* find entry with wanted name. */
-	here = __find_xattr(base_addr, last_base_addr, index, len, name);
+	here = __find_xattr(base_addr, last_base_addr, NULL, index, len, name);
 	if (!here) {
-		f2fs_err(F2FS_I_SB(inode), "inode (%lu) has corrupted xattr",
+		if (!F2FS_I(inode)->i_xattr_nid) {
+			f2fs_notice(F2FS_I_SB(inode),
+				"recover xattr in inode (%lu)", inode->i_ino);
+			f2fs_recover_xattr_data(inode, NULL);
+			kfree(base_addr);
+			goto retry;
+		}
+		f2fs_err(F2FS_I_SB(inode), "set inode (%lu) has corrupted xattr",
 								inode->i_ino);
 		set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
 		error = -EFSCORRUPTED;
@@ -673,7 +676,7 @@
 		}
 
 		if (value && f2fs_xattr_value_same(here, value, size))
-			goto exit;
+			goto same;
 	} else if ((flags & XATTR_REPLACE)) {
 		error = -ENODATA;
 		goto exit;
@@ -753,17 +756,20 @@
 	if (error)
 		goto exit;
 
-	if (is_inode_flag_set(inode, FI_ACL_MODE)) {
-		inode->i_mode = F2FS_I(inode)->i_acl_mode;
-		inode->i_ctime = current_time(inode);
-		clear_inode_flag(inode, FI_ACL_MODE);
-	}
 	if (index == F2FS_XATTR_INDEX_ENCRYPTION &&
 			!strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT))
 		f2fs_set_encrypted_inode(inode);
 	f2fs_mark_inode_dirty_sync(inode, true);
 	if (!error && S_ISDIR(inode->i_mode))
 		set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP);
+
+same:
+	if (is_inode_flag_set(inode, FI_ACL_MODE)) {
+		inode->i_mode = F2FS_I(inode)->i_acl_mode;
+		inode->i_ctime = current_time(inode);
+		clear_inode_flag(inode, FI_ACL_MODE);
+	}
+
 exit:
 	kfree(base_addr);
 	return error;
@@ -781,7 +787,7 @@
 	if (!f2fs_is_checkpoint_ready(sbi))
 		return -ENOSPC;
 
-	err = dquot_initialize(inode);
+	err = f2fs_dquot_initialize(inode);
 	if (err)
 		return err;
 
@@ -792,9 +798,9 @@
 	f2fs_balance_fs(sbi, true);
 
 	f2fs_lock_op(sbi);
-	down_write(&F2FS_I(inode)->i_xattr_sem);
+	f2fs_down_write(&F2FS_I(inode)->i_xattr_sem);
 	err = __f2fs_setxattr(inode, index, name, value, size, ipage, flags);
-	up_write(&F2FS_I(inode)->i_xattr_sem);
+	f2fs_up_write(&F2FS_I(inode)->i_xattr_sem);
 	f2fs_unlock_op(sbi);
 
 	f2fs_update_time(sbi, REQ_TIME);
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index bab9b20..577c73a 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1979,3 +1979,4 @@
 module_exit(exit_fat_fs)
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index 9d06288..8376577 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -680,6 +680,7 @@
 }
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_AUTHOR("Werner Almesberger");
 MODULE_DESCRIPTION("MS-DOS filesystem support");
 
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index 0cdd0fb..01fab05 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -1077,6 +1077,7 @@
 }
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_DESCRIPTION("VFAT filesystem support");
 MODULE_AUTHOR("Gordon Chaffee");
 
diff --git a/fs/file.c b/fs/file.c
index d6bc739..428d7f6 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -702,7 +702,49 @@
 
 	return filp_close(file, files);
 }
-EXPORT_SYMBOL(__close_fd); /* for ksys_close() */
+EXPORT_SYMBOL_NS(__close_fd, ANDROID_GKI_VFS_EXPORT_ONLY); /* for ksys_close() */
+
+/**
+ * last_fd - return last valid index into fd table
+ * @cur_fds: files struct
+ *
+ * Context: Either rcu read lock or files_lock must be held.
+ *
+ * Returns: Last valid index into fdtable.
+ */
+static inline unsigned last_fd(struct fdtable *fdt)
+{
+	return fdt->max_fds - 1;
+}
+
+static inline void __range_cloexec(struct files_struct *cur_fds,
+				   unsigned int fd, unsigned int max_fd)
+{
+	struct fdtable *fdt;
+
+	/* make sure we're using the correct maximum value */
+	spin_lock(&cur_fds->file_lock);
+	fdt = files_fdtable(cur_fds);
+	max_fd = min(last_fd(fdt), max_fd);
+	if (fd <= max_fd)
+		bitmap_set(fdt->close_on_exec, fd, max_fd - fd + 1);
+	spin_unlock(&cur_fds->file_lock);
+}
+
+static inline void __range_close(struct files_struct *cur_fds, unsigned int fd,
+				 unsigned int max_fd)
+{
+	while (fd <= max_fd) {
+		struct file *file;
+
+		file = pick_file(cur_fds, fd++);
+		if (!file)
+			continue;
+
+		filp_close(file, cur_fds);
+		cond_resched();
+	}
+}
 
 /**
  * __close_range() - Close all file descriptors in a given range.
@@ -719,7 +761,7 @@
 	struct task_struct *me = current;
 	struct files_struct *cur_fds = me->files, *fds = NULL;
 
-	if (flags & ~CLOSE_RANGE_UNSHARE)
+	if (flags & ~(CLOSE_RANGE_UNSHARE | CLOSE_RANGE_CLOEXEC))
 		return -EINVAL;
 
 	if (fd > max_fd)
@@ -740,8 +782,10 @@
 		 * If the requested range is greater than the current maximum,
 		 * we're closing everything so only copy all file descriptors
 		 * beneath the lowest file descriptor.
+		 * If the caller requested all fds to be made cloexec copy all
+		 * of the file descriptors since they still want to use them.
 		 */
-		if (max_fd >= cur_max)
+		if (!(flags & CLOSE_RANGE_CLOEXEC) && (max_fd >= cur_max))
 			max_unshare_fds = fd;
 
 		ret = unshare_fd(CLONE_FILES, max_unshare_fds, &fds);
@@ -757,16 +801,11 @@
 	}
 
 	max_fd = min(max_fd, cur_max);
-	while (fd <= max_fd) {
-		struct file *file;
 
-		file = pick_file(cur_fds, fd++);
-		if (!file)
-			continue;
-
-		filp_close(file, cur_fds);
-		cond_resched();
-	}
+	if (flags & CLOSE_RANGE_CLOEXEC)
+		__range_cloexec(cur_fds, fd, max_fd);
+	else
+		__range_close(cur_fds, fd, max_fd);
 
 	if (fds) {
 		/*
diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c
index 578a506..88fe3f4 100644
--- a/fs/freevxfs/vxfs_super.c
+++ b/fs/freevxfs/vxfs_super.c
@@ -52,6 +52,7 @@
 MODULE_AUTHOR("Christoph Hellwig, Krzysztof Blaszkowski");
 MODULE_DESCRIPTION("Veritas Filesystem (VxFS) driver");
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static struct kmem_cache *vxfs_inode_cachep;
 
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 045a3bd..86a1155 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -2344,7 +2344,7 @@
 out_unlock_inode:
 	spin_unlock(&inode->i_lock);
 }
-EXPORT_SYMBOL(__mark_inode_dirty);
+EXPORT_SYMBOL_NS(__mark_inode_dirty, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * The @s_sync_lock is used to serialise concurrent sync operations
@@ -2510,7 +2510,7 @@
 	__writeback_inodes_sb_nr(sb, get_nr_dirty_pages(), reason, true);
 	up_read(&sb->s_umount);
 }
-EXPORT_SYMBOL(try_to_writeback_inodes_sb);
+EXPORT_SYMBOL_NS(try_to_writeback_inodes_sb, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * sync_inodes_sb	-	sync sb inode pages
@@ -2577,7 +2577,7 @@
 	might_sleep();
 	return writeback_single_inode(inode, &wbc);
 }
-EXPORT_SYMBOL(write_inode_now);
+EXPORT_SYMBOL_NS(write_inode_now, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * sync_inode - write an inode and its pages to disk.
@@ -2614,4 +2614,4 @@
 
 	return sync_inode(inode, &wbc);
 }
-EXPORT_SYMBOL(sync_inode_metadata);
+EXPORT_SYMBOL_NS(sync_inode_metadata, ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/fs_types.c b/fs/fs_types.c
index 78365e5..a11a1d8 100644
--- a/fs/fs_types.c
+++ b/fs/fs_types.c
@@ -41,7 +41,7 @@
 
 	return fs_dtype_by_ftype[filetype];
 }
-EXPORT_SYMBOL_GPL(fs_ftype_to_dtype);
+EXPORT_SYMBOL_NS_GPL(fs_ftype_to_dtype, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * dirent file type to fs on-disk file type conversion
diff --git a/fs/fscache/Makefile b/fs/fscache/Makefile
index 79e08e0..9121382 100644
--- a/fs/fscache/Makefile
+++ b/fs/fscache/Makefile
@@ -3,6 +3,8 @@
 # Makefile for general filesystem caching code
 #
 
+ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=ANDROID_GKI_VFS_EXPORT_ONLY
+
 fscache-y := \
 	cache.o \
 	cookie.o \
diff --git a/fs/fuse/Kconfig b/fs/fuse/Kconfig
index 40ce9a1..d6bd90b5 100644
--- a/fs/fuse/Kconfig
+++ b/fs/fuse/Kconfig
@@ -52,3 +52,11 @@
 
 	  If you want to allow mounting a Virtio Filesystem with the "dax"
 	  option, answer Y.
+
+config FUSE_BPF
+	bool "Adds BPF to fuse"
+	depends on FUSE_FS
+	depends on BPF
+	help
+	  Extends FUSE by adding BPF to prefilter calls and potentially pass to a
+	  backing file system
diff --git a/fs/fuse/Makefile b/fs/fuse/Makefile
index 8c7021f..7bd922f 100644
--- a/fs/fuse/Makefile
+++ b/fs/fuse/Makefile
@@ -7,7 +7,8 @@
 obj-$(CONFIG_CUSE) += cuse.o
 obj-$(CONFIG_VIRTIO_FS) += virtiofs.o
 
-fuse-y := dev.o dir.o file.o inode.o control.o xattr.o acl.o readdir.o
+fuse-y := dev.o dir.o file.o inode.o control.o xattr.o acl.o readdir.o passthrough.o
 fuse-$(CONFIG_FUSE_DAX) += dax.o
+fuse-$(CONFIG_FUSE_BPF) += backing.o
 
 virtiofs-y := virtio_fs.o
diff --git a/fs/fuse/backing.c b/fs/fuse/backing.c
new file mode 100644
index 0000000..3b2b2a4
--- /dev/null
+++ b/fs/fuse/backing.c
@@ -0,0 +1,2540 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * FUSE-BPF: Filesystem in Userspace with BPF
+ * Copyright (c) 2021 Google LLC
+ */
+
+#include "fuse_i.h"
+
+#include <linux/fdtable.h>
+#include <linux/filter.h>
+#include <linux/fs_stack.h>
+#include <linux/namei.h>
+
+#include "../internal.h"
+
+#define FUSE_BPF_IOCB_MASK (IOCB_APPEND | IOCB_DSYNC | IOCB_HIPRI | IOCB_NOWAIT | IOCB_SYNC)
+
+struct fuse_bpf_aio_req {
+	struct kiocb iocb;
+	refcount_t ref;
+	struct kiocb *iocb_orig;
+};
+
+static struct kmem_cache *fuse_bpf_aio_request_cachep;
+
+static void fuse_stat_to_attr(struct fuse_conn *fc, struct inode *inode,
+		struct kstat *stat, struct fuse_attr *attr);
+
+static void fuse_file_accessed(struct file *dst_file, struct file *src_file)
+{
+	struct inode *dst_inode;
+	struct inode *src_inode;
+
+	if (dst_file->f_flags & O_NOATIME)
+		return;
+
+	dst_inode = file_inode(dst_file);
+	src_inode = file_inode(src_file);
+
+	if ((!timespec64_equal(&dst_inode->i_mtime, &src_inode->i_mtime) ||
+	     !timespec64_equal(&dst_inode->i_ctime, &src_inode->i_ctime))) {
+		dst_inode->i_mtime = src_inode->i_mtime;
+		dst_inode->i_ctime = src_inode->i_ctime;
+	}
+
+	touch_atime(&dst_file->f_path);
+}
+
+struct bpf_prog *fuse_get_bpf_prog(struct file *file)
+{
+	struct bpf_prog *bpf_prog = ERR_PTR(-EINVAL);
+
+       if (!file || IS_ERR(file))
+               return bpf_prog;
+	/**
+	 * Two ways of getting a bpf prog from another task's fd, since
+	 * bpf_prog_get_type_dev only works with an fd
+	 *
+	 * 1) Duplicate a little of the needed code. Requires access to
+	 *    bpf_prog_fops for validation, which is not exported for modules
+	 * 2) Insert the bpf_file object into a fd from the current task
+	 *    Stupidly complex, but I think OK, as security checks are not run
+	 *    during the existence of the handle
+	 *
+	 * Best would be to upstream 1) into kernel/bpf/syscall.c and export it
+	 * for use here. Failing that, we have to use 2, since fuse must be
+	 * compilable as a module.
+	 */
+#if 0
+	if (file->f_op != &bpf_prog_fops)
+		goto out;
+
+	bpf_prog = file->private_data;
+	if (bpf_prog->type == BPF_PROG_TYPE_FUSE)
+		bpf_prog_inc(bpf_prog);
+	else
+		bpf_prog = ERR_PTR(-EINVAL);
+
+#else
+	{
+		int task_fd = get_unused_fd_flags(file->f_flags);
+
+		if (task_fd < 0)
+			goto out;
+
+		fd_install(task_fd, file);
+
+		bpf_prog = bpf_prog_get_type_dev(task_fd, BPF_PROG_TYPE_FUSE,
+						 false);
+
+		/* Close the fd, which also closes the file */
+		__close_fd(current->files, task_fd);
+		file = NULL;
+	}
+#endif
+
+out:
+	if (file)
+		fput(file);
+	return bpf_prog;
+}
+
+int fuse_open_initialize(struct fuse_bpf_args *fa, struct fuse_open_io *foio,
+			 struct inode *inode, struct file *file, bool isdir)
+{
+	foio->foi = (struct fuse_open_in) {
+		.flags = file->f_flags & ~(O_CREAT | O_EXCL | O_NOCTTY),
+	};
+
+	foio->foo = (struct fuse_open_out) {0};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(inode)->nodeid,
+		.opcode = isdir ? FUSE_OPENDIR : FUSE_OPEN,
+		.in_numargs = 1,
+		.out_numargs = 1,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(foio->foi),
+			.value = &foio->foi,
+		},
+		.out_args[0] = (struct fuse_bpf_arg) {
+			.size = sizeof(foio->foo),
+			.value = &foio->foo,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_open_backing(struct fuse_bpf_args *fa,
+		      struct inode *inode, struct file *file, bool isdir)
+{
+	struct fuse_mount *fm = get_fuse_mount(inode);
+	const struct fuse_open_in *foi = fa->in_args[0].value;
+	struct fuse_file *ff;
+	int retval;
+	int mask;
+	struct fuse_dentry *fd = get_fuse_dentry(file->f_path.dentry);
+	struct file *backing_file;
+
+	ff = fuse_file_alloc(fm);
+	if (!ff)
+		return -ENOMEM;
+	file->private_data = ff;
+
+	switch (foi->flags & O_ACCMODE) {
+	case O_RDONLY:
+		mask = MAY_READ;
+		break;
+
+	case O_WRONLY:
+		mask = MAY_WRITE;
+		break;
+
+	case O_RDWR:
+		mask = MAY_READ | MAY_WRITE;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	retval = inode_permission(get_fuse_inode(inode)->backing_inode, mask);
+	if (retval)
+		return retval;
+
+	backing_file = dentry_open(&fd->backing_path,
+				   foi->flags,
+				   current_cred());
+
+	if (IS_ERR(backing_file)) {
+		fuse_file_free(ff);
+		file->private_data = NULL;
+		return PTR_ERR(backing_file);
+	}
+	ff->backing_file = backing_file;
+
+	return 0;
+}
+
+void *fuse_open_finalize(struct fuse_bpf_args *fa,
+		       struct inode *inode, struct file *file, bool isdir)
+{
+	struct fuse_file *ff = file->private_data;
+	struct fuse_open_out *foo = fa->out_args[0].value;
+
+	if (ff) {
+		ff->fh = foo->fh;
+		ff->nodeid = get_fuse_inode(inode)->nodeid;
+	}
+	return 0;
+}
+
+int fuse_create_open_initialize(
+		struct fuse_bpf_args *fa, struct fuse_create_open_io *fcoio,
+		struct inode *dir, struct dentry *entry,
+		struct file *file, unsigned int flags, umode_t mode)
+{
+	fcoio->fci = (struct fuse_create_in) {
+		.flags = file->f_flags & ~(O_CREAT | O_EXCL | O_NOCTTY),
+		.mode = mode,
+	};
+
+	fcoio->feo = (struct fuse_entry_out) {0};
+	fcoio->foo = (struct fuse_open_out) {0};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(dir),
+		.opcode = FUSE_CREATE,
+		.in_numargs = 2,
+		.out_numargs = 2,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(fcoio->fci),
+			.value = &fcoio->fci,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = entry->d_name.len + 1,
+			.value = entry->d_name.name,
+		},
+		.out_args[0] = (struct fuse_bpf_arg) {
+			.size = sizeof(fcoio->feo),
+			.value = &fcoio->feo,
+		},
+		.out_args[1] = (struct fuse_bpf_arg) {
+			.size = sizeof(fcoio->foo),
+			.value = &fcoio->foo,
+		},
+	};
+
+	return 0;
+}
+
+static int fuse_open_file_backing(struct inode *inode, struct file *file)
+{
+	struct fuse_mount *fm = get_fuse_mount(inode);
+	struct dentry *entry = file->f_path.dentry;
+	struct fuse_dentry *fuse_dentry = get_fuse_dentry(entry);
+	struct fuse_file *fuse_file;
+	struct file *backing_file;
+
+	fuse_file = fuse_file_alloc(fm);
+	if (!fuse_file)
+		return -ENOMEM;
+	file->private_data = fuse_file;
+
+	backing_file = dentry_open(&fuse_dentry->backing_path, file->f_flags,
+				   current_cred());
+	if (IS_ERR(backing_file)) {
+		fuse_file_free(fuse_file);
+		file->private_data = NULL;
+		return PTR_ERR(backing_file);
+	}
+	fuse_file->backing_file = backing_file;
+
+	return 0;
+}
+
+int fuse_create_open_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry,
+		struct file *file, unsigned int flags, umode_t mode)
+{
+	struct fuse_inode *dir_fuse_inode = get_fuse_inode(dir);
+	struct fuse_dentry *fuse_entry = get_fuse_dentry(entry);
+	struct fuse_dentry *dir_fuse_dentry = get_fuse_dentry(entry->d_parent);
+	struct dentry *backing_dentry = NULL;
+	struct inode *inode = NULL;
+	struct dentry *newent;
+	int err = 0;
+	const struct fuse_create_in *fci = fa->in_args[0].value;
+	struct inode *d_inode = entry->d_inode;
+	u64 target_nodeid = 0;
+
+	if (!dir_fuse_inode || !dir_fuse_dentry)
+		return -EIO;
+
+	inode_lock_nested(dir_fuse_inode->backing_inode, I_MUTEX_PARENT);
+	backing_dentry = lookup_one_len(fa->in_args[1].value,
+					dir_fuse_dentry->backing_path.dentry,
+					strlen(fa->in_args[1].value));
+	inode_unlock(dir_fuse_inode->backing_inode);
+
+	if (IS_ERR(backing_dentry))
+		return PTR_ERR(backing_dentry);
+
+	if (d_really_is_positive(backing_dentry)) {
+		err = -EIO;
+		goto out;
+	}
+
+	err = vfs_create(dir_fuse_inode->backing_inode, backing_dentry,
+			 fci->mode, true);
+	if (err)
+		goto out;
+
+	if (fuse_entry->backing_path.dentry)
+		path_put(&fuse_entry->backing_path);
+	fuse_entry->backing_path = (struct path) {
+		.mnt = dir_fuse_dentry->backing_path.mnt,
+		.dentry = backing_dentry,
+	};
+	path_get(&fuse_entry->backing_path);
+
+	if (d_inode)
+		target_nodeid = get_fuse_inode(d_inode)->nodeid;
+
+	inode = fuse_iget_backing(dir->i_sb, target_nodeid,
+			fuse_entry->backing_path.dentry->d_inode);
+	if (!inode) {
+		err = -EIO;
+		goto out;
+	}
+
+	if (get_fuse_inode(inode)->bpf)
+		bpf_prog_put(get_fuse_inode(inode)->bpf);
+	get_fuse_inode(inode)->bpf = fuse_entry->bpf;
+	fuse_entry->bpf = NULL;
+
+	newent = d_splice_alias(inode, entry);
+	if (IS_ERR(newent)) {
+		err = PTR_ERR(newent);
+		goto out;
+	}
+
+	inode = NULL;
+	entry = newent ? newent : entry;
+	err = finish_open(file, entry, fuse_open_file_backing);
+
+out:
+	iput(inode);
+	dput(backing_dentry);
+	return err;
+}
+
+void *fuse_create_open_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry,
+		struct file *file, unsigned int flags, umode_t mode)
+{
+	struct fuse_file *ff = file->private_data;
+	struct fuse_inode *fi = get_fuse_inode(file->f_inode);
+	struct fuse_entry_out *feo = fa->out_args[0].value;
+	struct fuse_open_out *foo = fa->out_args[1].value;
+
+	if (fi)
+		fi->nodeid = feo->nodeid;
+	if (ff)
+		ff->fh = foo->fh;
+	return 0;
+}
+
+int fuse_release_initialize(struct fuse_bpf_args *fa, struct fuse_release_in *fri,
+			    struct inode *inode, struct fuse_file *ff)
+{
+	/* Always put backing file whatever bpf/userspace says */
+	if (ff->backing_file) {
+	    fput(ff->backing_file);
+	}
+
+	*fri = (struct fuse_release_in) {
+		.fh = ff->fh,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(inode)->nodeid,
+		.opcode = S_ISDIR(inode->i_mode) ? FUSE_RELEASEDIR
+						 : FUSE_RELEASE,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(*fri),
+		.in_args[0].value = fri,
+	};
+
+	return 0;
+}
+
+int fuse_release_backing(struct fuse_bpf_args *fa,
+			 struct inode *inode, struct fuse_file *ff)
+{
+	return 0;
+}
+
+void *fuse_release_finalize(struct fuse_bpf_args *fa,
+			    struct inode *inode, struct fuse_file *ff)
+{
+	return NULL;
+}
+
+int fuse_flush_initialize(struct fuse_bpf_args *fa, struct fuse_flush_in *ffi,
+			   struct file *file, fl_owner_t id)
+{
+	struct fuse_file *fuse_file = file->private_data;
+
+	*ffi = (struct fuse_flush_in) {
+		.fh = fuse_file->fh,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(file->f_inode),
+		.opcode = FUSE_FLUSH,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(*ffi),
+		.in_args[0].value = ffi,
+		.flags = FUSE_BPF_FORCE,
+	};
+
+	return 0;
+}
+
+int fuse_flush_backing(struct fuse_bpf_args *fa, struct file *file, fl_owner_t id)
+{
+	struct fuse_file *fuse_file = file->private_data;
+	struct file *backing_file = fuse_file->backing_file;
+
+	if (backing_file->f_op->flush)
+		return backing_file->f_op->flush(backing_file, id);
+	return 0;
+}
+
+void *fuse_flush_finalize(struct fuse_bpf_args *fa, struct file *file, fl_owner_t id)
+{
+	return NULL;
+}
+
+int fuse_lseek_initialize(struct fuse_bpf_args *fa, struct fuse_lseek_io *flio,
+			  struct file *file, loff_t offset, int whence)
+{
+	struct fuse_file *fuse_file = file->private_data;
+
+	flio->fli = (struct fuse_lseek_in) {
+		.fh = fuse_file->fh,
+		.offset = offset,
+		.whence = whence,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(file->f_inode),
+		.opcode = FUSE_LSEEK,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(flio->fli),
+		.in_args[0].value = &flio->fli,
+		.out_numargs = 1,
+		.out_args[0].size = sizeof(flio->flo),
+		.out_args[0].value = &flio->flo,
+	};
+
+	return 0;
+}
+
+int fuse_lseek_backing(struct fuse_bpf_args *fa, struct file *file, loff_t offset, int whence)
+{
+	const struct fuse_lseek_in *fli = fa->in_args[0].value;
+	struct fuse_lseek_out *flo = fa->out_args[0].value;
+	struct fuse_file *fuse_file = file->private_data;
+	struct file *backing_file = fuse_file->backing_file;
+	loff_t ret;
+
+	/* TODO: Handle changing of the file handle */
+	if (offset == 0) {
+		if (whence == SEEK_CUR) {
+			flo->offset = file->f_pos;
+			return flo->offset;
+		}
+
+		if (whence == SEEK_SET) {
+			flo->offset = vfs_setpos(file, 0, 0);
+			return flo->offset;
+		}
+	}
+
+	inode_lock(file->f_inode);
+	backing_file->f_pos = file->f_pos;
+	ret = vfs_llseek(backing_file, fli->offset, fli->whence);
+	flo->offset = ret;
+	inode_unlock(file->f_inode);
+	return ret;
+}
+
+void *fuse_lseek_finalize(struct fuse_bpf_args *fa, struct file *file, loff_t offset, int whence)
+{
+	struct fuse_lseek_out *flo = fa->out_args[0].value;
+
+	if (!fa->error_in)
+		file->f_pos = flo->offset;
+	return ERR_PTR(flo->offset);
+}
+
+int fuse_copy_file_range_initialize(struct fuse_bpf_args *fa, struct fuse_copy_file_range_io *fcf,
+				   struct file *file_in, loff_t pos_in, struct file *file_out,
+				   loff_t pos_out, size_t len, unsigned int flags)
+{
+	struct fuse_file *fuse_file_in = file_in->private_data;
+	struct fuse_file *fuse_file_out = file_out->private_data;
+
+
+	fcf->fci = (struct fuse_copy_file_range_in) {
+		.fh_in = fuse_file_in->fh,
+		.off_in = pos_in,
+		.nodeid_out = fuse_file_out->nodeid,
+		.fh_out = fuse_file_out->fh,
+		.off_out = pos_out,
+		.len = len,
+		.flags = flags,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(file_in->f_inode),
+		.opcode = FUSE_COPY_FILE_RANGE,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(fcf->fci),
+		.in_args[0].value = &fcf->fci,
+		.out_numargs = 1,
+		.out_args[0].size = sizeof(fcf->fwo),
+		.out_args[0].value = &fcf->fwo,
+	};
+
+	return 0;
+}
+
+int fuse_copy_file_range_backing(struct fuse_bpf_args *fa, struct file *file_in, loff_t pos_in,
+				 struct file *file_out, loff_t pos_out, size_t len,
+				 unsigned int flags)
+{
+	const struct fuse_copy_file_range_in *fci = fa->in_args[0].value;
+	struct fuse_file *fuse_file_in = file_in->private_data;
+	struct file *backing_file_in = fuse_file_in->backing_file;
+	struct fuse_file *fuse_file_out = file_out->private_data;
+	struct file *backing_file_out = fuse_file_out->backing_file;
+
+	/* TODO: Handle changing of in/out files */
+	if (backing_file_out)
+		return vfs_copy_file_range(backing_file_in, fci->off_in, backing_file_out,
+					   fci->off_out, fci->len, fci->flags);
+	else
+		return generic_copy_file_range(file_in, pos_in, file_out, pos_out, len,
+					       flags);
+}
+
+void *fuse_copy_file_range_finalize(struct fuse_bpf_args *fa, struct file *file_in, loff_t pos_in,
+				    struct file *file_out, loff_t pos_out, size_t len,
+				    unsigned int flags)
+{
+	return NULL;
+}
+
+int fuse_fsync_initialize(struct fuse_bpf_args *fa, struct fuse_fsync_in *ffi,
+		   struct file *file, loff_t start, loff_t end, int datasync)
+{
+	struct fuse_file *fuse_file = file->private_data;
+
+	*ffi = (struct fuse_fsync_in) {
+		.fh = fuse_file->fh,
+		.fsync_flags = datasync ? FUSE_FSYNC_FDATASYNC : 0,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(file->f_inode)->nodeid,
+		.opcode = FUSE_FSYNC,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(*ffi),
+		.in_args[0].value = ffi,
+		.flags = FUSE_BPF_FORCE,
+	};
+
+	return 0;
+}
+
+int fuse_fsync_backing(struct fuse_bpf_args *fa,
+		   struct file *file, loff_t start, loff_t end, int datasync)
+{
+	struct fuse_file *fuse_file = file->private_data;
+	struct file *backing_file = fuse_file->backing_file;
+	const struct fuse_fsync_in *ffi = fa->in_args[0].value;
+	int new_datasync = (ffi->fsync_flags & FUSE_FSYNC_FDATASYNC) ? 1 : 0;
+
+	return vfs_fsync(backing_file, new_datasync);
+}
+
+void *fuse_fsync_finalize(struct fuse_bpf_args *fa,
+		   struct file *file, loff_t start, loff_t end, int datasync)
+{
+	return NULL;
+}
+
+int fuse_dir_fsync_initialize(struct fuse_bpf_args *fa, struct fuse_fsync_in *ffi,
+		   struct file *file, loff_t start, loff_t end, int datasync)
+{
+	struct fuse_file *fuse_file = file->private_data;
+
+	*ffi = (struct fuse_fsync_in) {
+		.fh = fuse_file->fh,
+		.fsync_flags = datasync ? FUSE_FSYNC_FDATASYNC : 0,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(file->f_inode)->nodeid,
+		.opcode = FUSE_FSYNCDIR,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(*ffi),
+		.in_args[0].value = ffi,
+		.flags = FUSE_BPF_FORCE,
+	};
+
+	return 0;
+}
+
+int fuse_getxattr_initialize(struct fuse_bpf_args *fa,
+		struct fuse_getxattr_io *fgio,
+		struct dentry *dentry, const char *name, void *value,
+		size_t size)
+{
+	*fgio = (struct fuse_getxattr_io) {
+		.fgi.size = size,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(dentry->d_inode)->nodeid,
+		.opcode = FUSE_GETXATTR,
+		.in_numargs = 2,
+		.out_numargs = 1,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(fgio->fgi),
+			.value = &fgio->fgi,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = strlen(name) + 1,
+			.value = name,
+		},
+		.flags = size ? FUSE_BPF_OUT_ARGVAR : 0,
+		.out_args[0].size = size ? size : sizeof(fgio->fgo),
+		.out_args[0].value = size ? value : &fgio->fgo,
+	};
+	return 0;
+}
+
+int fuse_getxattr_backing(struct fuse_bpf_args *fa,
+		struct dentry *dentry, const char *name, void *value,
+		size_t size)
+{
+	ssize_t ret = vfs_getxattr(get_fuse_dentry(dentry)->backing_path.dentry,
+				   fa->in_args[1].value, value, size);
+
+	if (fa->flags & FUSE_BPF_OUT_ARGVAR)
+		fa->out_args[0].size = ret;
+	else
+		((struct fuse_getxattr_out *)fa->out_args[0].value)->size = ret;
+
+	return 0;
+}
+
+void *fuse_getxattr_finalize(struct fuse_bpf_args *fa,
+		struct dentry *dentry, const char *name, void *value,
+		size_t size)
+{
+	struct fuse_getxattr_out *fgo;
+
+	if (fa->flags & FUSE_BPF_OUT_ARGVAR)
+		return ERR_PTR(fa->out_args[0].size);
+
+	fgo = fa->out_args[0].value;
+
+	return ERR_PTR(fgo->size);
+
+}
+
+int fuse_listxattr_initialize(struct fuse_bpf_args *fa,
+			      struct fuse_getxattr_io *fgio,
+			      struct dentry *dentry, char *list, size_t size)
+{
+	*fgio = (struct fuse_getxattr_io){
+		.fgi.size = size,
+	};
+
+	*fa = (struct fuse_bpf_args){
+		.nodeid = get_fuse_inode(dentry->d_inode)->nodeid,
+		.opcode = FUSE_LISTXATTR,
+		.in_numargs = 1,
+		.out_numargs = 1,
+		.in_args[0] =
+			(struct fuse_bpf_in_arg){
+				.size = sizeof(fgio->fgi),
+				.value = &fgio->fgi,
+			},
+		.flags = size ? FUSE_BPF_OUT_ARGVAR : 0,
+		.out_args[0].size = size ? size : sizeof(fgio->fgo),
+		.out_args[0].value = size ? (void *)list : &fgio->fgo,
+	};
+
+	return 0;
+}
+
+int fuse_listxattr_backing(struct fuse_bpf_args *fa, struct dentry *dentry,
+			   char *list, size_t size)
+{
+	ssize_t ret =
+		vfs_listxattr(get_fuse_dentry(dentry)->backing_path.dentry,
+			      list, size);
+
+	if (ret < 0)
+		return ret;
+
+	if (fa->flags & FUSE_BPF_OUT_ARGVAR)
+		fa->out_args[0].size = ret;
+	else
+		((struct fuse_getxattr_out *)fa->out_args[0].value)->size = ret;
+
+	return ret;
+}
+
+void *fuse_listxattr_finalize(struct fuse_bpf_args *fa, struct dentry *dentry,
+			      char *list, size_t size)
+{
+	struct fuse_getxattr_out *fgo;
+
+	if (fa->error_in)
+		return NULL;
+
+	if (fa->flags & FUSE_BPF_OUT_ARGVAR)
+		return ERR_PTR(fa->out_args[0].size);
+
+	fgo = fa->out_args[0].value;
+	return ERR_PTR(fgo->size);
+}
+
+int fuse_setxattr_initialize(struct fuse_bpf_args *fa,
+			     struct fuse_setxattr_in *fsxi,
+			     struct dentry *dentry, const char *name,
+			     const void *value, size_t size, int flags)
+{
+	*fsxi = (struct fuse_setxattr_in) {
+		.size = size,
+		.flags = flags,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(dentry->d_inode)->nodeid,
+		.opcode = FUSE_SETXATTR,
+		.in_numargs = 3,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(*fsxi),
+			.value = fsxi,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = strlen(name) + 1,
+			.value = name,
+		},
+		.in_args[2] = (struct fuse_bpf_in_arg) {
+			.size = size,
+			.value = value,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_setxattr_backing(struct fuse_bpf_args *fa, struct dentry *dentry,
+			  const char *name, const void *value, size_t size,
+			  int flags)
+{
+	return vfs_setxattr(get_fuse_dentry(dentry)->backing_path.dentry, name,
+			    value, size, flags);
+}
+
+void *fuse_setxattr_finalize(struct fuse_bpf_args *fa, struct dentry *dentry,
+			     const char *name, const void *value, size_t size,
+			     int flags)
+{
+	return NULL;
+}
+
+int fuse_removexattr_initialize(struct fuse_bpf_args *fa,
+				struct fuse_dummy_io *unused,
+				struct dentry *dentry, const char *name)
+{
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(dentry->d_inode)->nodeid,
+		.opcode = FUSE_REMOVEXATTR,
+		.in_numargs = 1,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = strlen(name) + 1,
+			.value = name,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_removexattr_backing(struct fuse_bpf_args *fa,
+			     struct dentry *dentry, const char *name)
+{
+	struct path *backing_path =
+		&get_fuse_dentry(dentry)->backing_path;
+
+	/* TODO account for changes of the name by prefilter */
+	return vfs_removexattr(backing_path->dentry, name);
+}
+
+void *fuse_removexattr_finalize(struct fuse_bpf_args *fa,
+				struct dentry *dentry, const char *name)
+{
+	return NULL;
+}
+
+static inline void fuse_bpf_aio_put(struct fuse_bpf_aio_req *aio_req)
+{
+	if (refcount_dec_and_test(&aio_req->ref))
+		kmem_cache_free(fuse_bpf_aio_request_cachep, aio_req);
+}
+
+static void fuse_bpf_aio_cleanup_handler(struct fuse_bpf_aio_req *aio_req)
+{
+	struct kiocb *iocb = &aio_req->iocb;
+	struct kiocb *iocb_orig = aio_req->iocb_orig;
+
+	if (iocb->ki_flags & IOCB_WRITE) {
+		__sb_writers_acquired(file_inode(iocb->ki_filp)->i_sb,
+				      SB_FREEZE_WRITE);
+		file_end_write(iocb->ki_filp);
+		fuse_copyattr(iocb_orig->ki_filp, iocb->ki_filp);
+	}
+	iocb_orig->ki_pos = iocb->ki_pos;
+	fuse_bpf_aio_put(aio_req);
+}
+
+static void fuse_bpf_aio_rw_complete(struct kiocb *iocb, long res, long res2)
+{
+	struct fuse_bpf_aio_req *aio_req =
+		container_of(iocb, struct fuse_bpf_aio_req, iocb);
+	struct kiocb *iocb_orig = aio_req->iocb_orig;
+
+	fuse_bpf_aio_cleanup_handler(aio_req);
+	iocb_orig->ki_complete(iocb_orig, res, res2);
+}
+
+
+int fuse_file_read_iter_initialize(
+		struct fuse_bpf_args *fa, struct fuse_file_read_iter_io *fri,
+		struct kiocb *iocb, struct iov_iter *to)
+{
+	struct file *file = iocb->ki_filp;
+	struct fuse_file *ff = file->private_data;
+
+	fri->fri = (struct fuse_read_in) {
+		.fh = ff->fh,
+		.offset = iocb->ki_pos,
+		.size = to->count,
+	};
+
+	fri->frio = (struct fuse_read_iter_out) {
+		.ret = fri->fri.size,
+	};
+
+	/* TODO we can't assume 'to' is a kvec */
+	/* TODO we also can't assume the vector has only one component */
+	*fa = (struct fuse_bpf_args) {
+		.opcode = FUSE_READ,
+		.nodeid = ff->nodeid,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(fri->fri),
+		.in_args[0].value = &fri->fri,
+		.out_numargs = 1,
+		.out_args[0].size = sizeof(fri->frio),
+		.out_args[0].value = &fri->frio,
+		/*
+		 * TODO Design this properly.
+		 * Possible approach: do not pass buf to bpf
+		 * If going to userland, do a deep copy
+		 * For extra credit, do that to/from the vector, rather than
+		 * making an extra copy in the kernel
+		 */
+	};
+
+	return 0;
+}
+
+int fuse_file_read_iter_backing(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *to)
+{
+	struct fuse_read_iter_out *frio = fa->out_args[0].value;
+	struct file *file = iocb->ki_filp;
+	struct fuse_file *ff = file->private_data;
+	ssize_t ret;
+
+	if (!iov_iter_count(to))
+		return 0;
+
+	if ((iocb->ki_flags & IOCB_DIRECT) &&
+	    (!ff->backing_file->f_mapping->a_ops ||
+	     !ff->backing_file->f_mapping->a_ops->direct_IO))
+		return -EINVAL;
+
+	/* TODO This just plain ignores any change to fuse_read_in */
+	if (is_sync_kiocb(iocb)) {
+		ret = vfs_iter_read(ff->backing_file, to, &iocb->ki_pos,
+				iocb_to_rw_flags(iocb->ki_flags, FUSE_BPF_IOCB_MASK));
+	} else {
+		struct fuse_bpf_aio_req *aio_req;
+
+		ret = -ENOMEM;
+		aio_req = kmem_cache_zalloc(fuse_bpf_aio_request_cachep, GFP_KERNEL);
+		if (!aio_req)
+			goto out;
+
+		aio_req->iocb_orig = iocb;
+		kiocb_clone(&aio_req->iocb, iocb, ff->backing_file);
+		aio_req->iocb.ki_complete = fuse_bpf_aio_rw_complete;
+		refcount_set(&aio_req->ref, 2);
+		ret = vfs_iocb_iter_read(ff->backing_file, &aio_req->iocb, to);
+		fuse_bpf_aio_put(aio_req);
+		if (ret != -EIOCBQUEUED)
+			fuse_bpf_aio_cleanup_handler(aio_req);
+	}
+
+	frio->ret = ret;
+
+	/* TODO Need to point value at the buffer for post-modification */
+
+out:
+	fuse_file_accessed(file, ff->backing_file);
+
+	return ret;
+}
+
+void *fuse_file_read_iter_finalize(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *to)
+{
+	struct fuse_read_iter_out *frio = fa->out_args[0].value;
+
+	return ERR_PTR(frio->ret);
+}
+
+int fuse_file_write_iter_initialize(
+		struct fuse_bpf_args *fa, struct fuse_file_write_iter_io *fwio,
+		struct kiocb *iocb, struct iov_iter *from)
+{
+	struct file *file = iocb->ki_filp;
+	struct fuse_file *ff = file->private_data;
+
+	*fwio = (struct fuse_file_write_iter_io) {
+		.fwi.fh = ff->fh,
+		.fwi.offset = iocb->ki_pos,
+		.fwi.size = from->count,
+	};
+
+	/* TODO we can't assume 'from' is a kvec */
+	*fa = (struct fuse_bpf_args) {
+		.opcode = FUSE_WRITE,
+		.nodeid = ff->nodeid,
+		.in_numargs = 2,
+		.in_args[0].size = sizeof(fwio->fwi),
+		.in_args[0].value = &fwio->fwi,
+		.in_args[1].size = fwio->fwi.size,
+		.in_args[1].value = from->kvec->iov_base,
+		.out_numargs = 1,
+		.out_args[0].size = sizeof(fwio->fwio),
+		.out_args[0].value = &fwio->fwio,
+	};
+
+	return 0;
+}
+
+int fuse_file_write_iter_backing(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *from)
+{
+	struct file *file = iocb->ki_filp;
+	struct fuse_file *ff = file->private_data;
+	struct fuse_write_iter_out *fwio = fa->out_args[0].value;
+	ssize_t ret;
+
+	if (!iov_iter_count(from))
+		return 0;
+
+	/* TODO This just plain ignores any change to fuse_write_in */
+	/* TODO uint32_t seems smaller than ssize_t.... right? */
+	inode_lock(file_inode(file));
+
+	fuse_copyattr(file, ff->backing_file);
+
+	if (is_sync_kiocb(iocb)) {
+		file_start_write(ff->backing_file);
+		ret = vfs_iter_write(ff->backing_file, from, &iocb->ki_pos,
+					   iocb_to_rw_flags(iocb->ki_flags, FUSE_BPF_IOCB_MASK));
+		file_end_write(ff->backing_file);
+
+		/* Must reflect change in size of backing file to upper file */
+		if (ret > 0)
+			fuse_copyattr(file, ff->backing_file);
+	} else {
+		struct fuse_bpf_aio_req *aio_req;
+
+		ret = -ENOMEM;
+		aio_req = kmem_cache_zalloc(fuse_bpf_aio_request_cachep, GFP_KERNEL);
+		if (!aio_req)
+			goto out;
+
+		file_start_write(ff->backing_file);
+		__sb_writers_release(file_inode(ff->backing_file)->i_sb, SB_FREEZE_WRITE);
+		aio_req->iocb_orig = iocb;
+		kiocb_clone(&aio_req->iocb, iocb, ff->backing_file);
+		aio_req->iocb.ki_complete = fuse_bpf_aio_rw_complete;
+		refcount_set(&aio_req->ref, 2);
+		ret = vfs_iocb_iter_write(ff->backing_file, &aio_req->iocb, from);
+		fuse_bpf_aio_put(aio_req);
+		if (ret != -EIOCBQUEUED)
+			fuse_bpf_aio_cleanup_handler(aio_req);
+	}
+
+out:
+	inode_unlock(file_inode(file));
+	fwio->ret = ret;
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+void *fuse_file_write_iter_finalize(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *from)
+{
+	struct fuse_write_iter_out *fwio = fa->out_args[0].value;
+
+	return ERR_PTR(fwio->ret);
+}
+
+long fuse_backing_ioctl(struct file *file, unsigned int command, unsigned long arg, int flags)
+{
+	struct fuse_file *ff = file->private_data;
+	long ret;
+
+	if (flags & FUSE_IOCTL_COMPAT)
+		ret = -ENOTTY;
+	else
+		ret = vfs_ioctl(ff->backing_file, command, arg);
+
+	return ret;
+}
+
+int fuse_file_flock_backing(struct file *file, int cmd, struct file_lock *fl)
+{
+	struct fuse_file *ff = file->private_data;
+	struct file *backing_file = ff->backing_file;
+	int error;
+
+	fl->fl_file = backing_file;
+	if (backing_file->f_op->flock)
+		error = backing_file->f_op->flock(backing_file, cmd, fl);
+	else
+		error = locks_lock_file_wait(backing_file, fl);
+	return error;
+}
+
+ssize_t fuse_backing_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	int ret;
+	struct fuse_file *ff = file->private_data;
+	struct inode *fuse_inode = file_inode(file);
+	struct file *backing_file = ff->backing_file;
+	struct inode *backing_inode = file_inode(backing_file);
+
+	if (!backing_file->f_op->mmap)
+		return -ENODEV;
+
+	if (WARN_ON(file != vma->vm_file))
+		return -EIO;
+
+	vma->vm_file = get_file(backing_file);
+
+	ret = call_mmap(vma->vm_file, vma);
+
+	if (ret)
+		fput(backing_file);
+	else
+		fput(file);
+
+	if (file->f_flags & O_NOATIME)
+		return ret;
+
+	if ((!timespec64_equal(&fuse_inode->i_mtime,
+			       &backing_inode->i_mtime) ||
+	     !timespec64_equal(&fuse_inode->i_ctime,
+			       &backing_inode->i_ctime))) {
+		fuse_inode->i_mtime = backing_inode->i_mtime;
+		fuse_inode->i_ctime = backing_inode->i_ctime;
+	}
+	touch_atime(&file->f_path);
+
+	return ret;
+}
+
+int fuse_file_fallocate_initialize(struct fuse_bpf_args *fa,
+		struct fuse_fallocate_in *ffi,
+		struct file *file, int mode, loff_t offset, loff_t length)
+{
+	struct fuse_file *ff = file->private_data;
+
+	*ffi = (struct fuse_fallocate_in) {
+		.fh = ff->fh,
+		.offset = offset,
+		.length = length,
+		.mode = mode
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.opcode = FUSE_FALLOCATE,
+		.nodeid = ff->nodeid,
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(*ffi),
+		.in_args[0].value = ffi,
+	};
+
+	return 0;
+}
+
+int fuse_file_fallocate_backing(struct fuse_bpf_args *fa,
+		struct file *file, int mode, loff_t offset, loff_t length)
+{
+	const struct fuse_fallocate_in *ffi = fa->in_args[0].value;
+	struct fuse_file *ff = file->private_data;
+
+	return vfs_fallocate(ff->backing_file, ffi->mode, ffi->offset,
+			     ffi->length);
+}
+
+void *fuse_file_fallocate_finalize(struct fuse_bpf_args *fa,
+		struct file *file, int mode, loff_t offset, loff_t length)
+{
+	return NULL;
+}
+
+/*******************************************************************************
+ * Directory operations after here                                             *
+ ******************************************************************************/
+
+int fuse_lookup_initialize(struct fuse_bpf_args *fa, struct fuse_lookup_io *fli,
+	       struct inode *dir, struct dentry *entry, unsigned int flags)
+{
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_fuse_inode(dir)->nodeid,
+		.opcode = FUSE_LOOKUP,
+		.in_numargs = 1,
+		.out_numargs = 2,
+		.flags = FUSE_BPF_OUT_ARGVAR,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = entry->d_name.len + 1,
+			.value = entry->d_name.name,
+		},
+		.out_args[0] = (struct fuse_bpf_arg) {
+			.size = sizeof(fli->feo),
+			.value = &fli->feo,
+		},
+		.out_args[1] = (struct fuse_bpf_arg) {
+			.size = sizeof(fli->feb.out),
+			.value = &fli->feb.out,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_lookup_backing(struct fuse_bpf_args *fa, struct inode *dir,
+			  struct dentry *entry, unsigned int flags)
+{
+	struct fuse_dentry *fuse_entry = get_fuse_dentry(entry);
+	struct fuse_dentry *dir_fuse_entry = get_fuse_dentry(entry->d_parent);
+	struct dentry *dir_backing_entry = dir_fuse_entry->backing_path.dentry;
+	struct inode *dir_backing_inode = dir_backing_entry->d_inode;
+	struct dentry *backing_entry;
+	struct fuse_entry_out *feo = (void *)fa->out_args[0].value;
+	struct kstat stat;
+	int err;
+
+	/* TODO this will not handle lookups over mount points */
+	inode_lock_nested(dir_backing_inode, I_MUTEX_PARENT);
+	backing_entry = lookup_one_len(entry->d_name.name, dir_backing_entry,
+					strlen(entry->d_name.name));
+	inode_unlock(dir_backing_inode);
+
+	if (IS_ERR(backing_entry))
+		return PTR_ERR(backing_entry);
+
+	fuse_entry->backing_path = (struct path) {
+		.dentry = backing_entry,
+		.mnt = mntget(dir_fuse_entry->backing_path.mnt),
+	};
+
+	if (d_is_negative(backing_entry)) {
+		fa->error_in = -ENOENT;
+		return 0;
+	}
+
+	err = vfs_getattr(&fuse_entry->backing_path, &stat,
+				  STATX_BASIC_STATS, 0);
+	if (err) {
+		path_put_init(&fuse_entry->backing_path);
+		return err;
+	}
+
+	fuse_stat_to_attr(get_fuse_conn(dir),
+			  backing_entry->d_inode, &stat, &feo->attr);
+	return 0;
+}
+
+int fuse_handle_backing(struct fuse_entry_bpf *feb, struct inode **backing_inode,
+			struct path *backing_path) {
+	switch (feb->out.backing_action) {
+	case FUSE_ACTION_KEEP:
+		/* backing inode/path are added in fuse_lookup_backing */
+		break;
+
+	case FUSE_ACTION_REMOVE:
+		iput(*backing_inode);
+		*backing_inode = NULL;
+		path_put_init(backing_path);
+		break;
+
+	case FUSE_ACTION_REPLACE: {
+		struct file *backing_file = feb->backing_file;
+
+		if (!backing_file)
+			return -EINVAL;
+		if (IS_ERR(backing_file))
+			return PTR_ERR(backing_file);
+
+		if (backing_inode)
+			iput(*backing_inode);
+		*backing_inode = backing_file->f_inode;
+		ihold(*backing_inode);
+
+		path_put(backing_path);
+		*backing_path = backing_file->f_path;
+		path_get(backing_path);
+		break;
+	}
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int fuse_handle_bpf_prog(struct fuse_entry_bpf *feb, struct inode *parent,
+			 struct bpf_prog **bpf)
+{
+	struct bpf_prog *new_bpf = NULL;
+
+	switch (feb->out.bpf_action) {
+	case FUSE_ACTION_KEEP: {
+		/* Parent isn't presented, but we want to keep
+		 * Don't touch bpf program at all in this case
+		 */
+		if (!parent)
+			return 0;
+
+		new_bpf = get_fuse_inode(parent)->bpf;
+		if (new_bpf)
+			bpf_prog_inc(new_bpf);
+		break;
+	}
+
+	case FUSE_ACTION_REMOVE:
+		break;
+
+	case FUSE_ACTION_REPLACE: {
+		struct file *bpf_file = feb->bpf_file;
+
+		if (!bpf_file)
+			return -EINVAL;
+		if (IS_ERR(bpf_file))
+			return PTR_ERR(bpf_file);
+
+		new_bpf = fuse_get_bpf_prog(bpf_file);
+		if (IS_ERR(new_bpf))
+			return PTR_ERR(new_bpf);
+		break;
+	}
+
+	default:
+		return -EINVAL;
+	}
+
+	/* Cannot change existing program */
+	if (*bpf) {
+		if (new_bpf)
+			bpf_prog_put(new_bpf);
+		return new_bpf == *bpf ? 0 : -EINVAL;
+	}
+
+	*bpf = new_bpf;
+	return 0;
+}
+
+struct dentry *fuse_lookup_finalize(struct fuse_bpf_args *fa, struct inode *dir,
+			   struct dentry *entry, unsigned int flags)
+{
+	struct fuse_dentry *fuse_entry;
+	struct dentry *backing_entry;
+	struct inode *inode = NULL, *backing_inode;
+	struct inode *entry_inode = entry->d_inode;
+	struct fuse_entry_out *feo = fa->out_args[0].value;
+	struct fuse_entry_bpf_out *febo = fa->out_args[1].value;
+	struct fuse_entry_bpf *feb = container_of(febo, struct fuse_entry_bpf,
+						  out);
+	int error = -1;
+	u64 target_nodeid = 0;
+	struct dentry *ret = NULL;
+
+	fuse_entry = get_fuse_dentry(entry);
+	if (!fuse_entry) {
+		ret = ERR_PTR(-EIO);
+		goto out;
+	}
+
+	backing_entry = fuse_entry->backing_path.dentry;
+	if (!backing_entry) {
+		ret = ERR_PTR(-ENOENT);
+		goto out;
+	}
+
+	if (entry_inode)
+		target_nodeid = get_fuse_inode(entry_inode)->nodeid;
+
+	backing_inode = backing_entry->d_inode;
+	if (backing_inode)
+		inode = fuse_iget_backing(dir->i_sb, target_nodeid,
+					  backing_inode);
+
+	error = inode ?
+		fuse_handle_bpf_prog(feb, dir, &get_fuse_inode(inode)->bpf) :
+		fuse_handle_bpf_prog(feb, dir, &fuse_entry->bpf);
+	if (error) {
+		ret = ERR_PTR(error);
+		goto out;
+	}
+
+	if (inode) {
+		error = fuse_handle_backing(feb,
+					&get_fuse_inode(inode)->backing_inode,
+					&fuse_entry->backing_path);
+		if (error) {
+			ret = ERR_PTR(error);
+			goto out;
+		}
+
+		get_fuse_inode(inode)->nodeid = feo->nodeid;
+		ret = d_splice_alias(inode, entry);
+		if (!IS_ERR(ret))
+			inode = NULL;
+	}
+out:
+	iput(inode);
+	if (feb->backing_file)
+		fput(feb->backing_file);
+	return ret;
+}
+
+int fuse_revalidate_backing(struct dentry *entry, unsigned int flags)
+{
+	struct fuse_dentry *fuse_dentry = get_fuse_dentry(entry);
+	struct dentry *backing_entry = fuse_dentry->backing_path.dentry;
+
+	spin_lock(&backing_entry->d_lock);
+	if (d_unhashed(backing_entry)) {
+		spin_unlock(&backing_entry->d_lock);
+			return 0;
+	}
+	spin_unlock(&backing_entry->d_lock);
+
+	if (unlikely(backing_entry->d_flags & DCACHE_OP_REVALIDATE))
+		return backing_entry->d_op->d_revalidate(backing_entry, flags);
+	return 1;
+}
+
+int fuse_canonical_path_initialize(struct fuse_bpf_args *fa,
+				   struct fuse_dummy_io *fdi,
+				   const struct path *path,
+				   struct path *canonical_path)
+{
+	fa->opcode = FUSE_CANONICAL_PATH;
+	return 0;
+}
+
+int fuse_canonical_path_backing(struct fuse_bpf_args *fa, const struct path *path,
+				struct path *canonical_path)
+{
+	get_fuse_backing_path(path->dentry, canonical_path);
+	return 0;
+}
+
+void *fuse_canonical_path_finalize(struct fuse_bpf_args *fa,
+				   const struct path *path,
+				   struct path *canonical_path)
+{
+	return NULL;
+}
+
+int fuse_mknod_initialize(
+		struct fuse_bpf_args *fa, struct fuse_mknod_in *fmi,
+		struct inode *dir, struct dentry *entry, umode_t mode, dev_t rdev)
+{
+	*fmi = (struct fuse_mknod_in) {
+		.mode = mode,
+		.rdev = new_encode_dev(rdev),
+		.umask = current_umask(),
+	};
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(dir),
+		.opcode = FUSE_MKNOD,
+		.in_numargs = 2,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(*fmi),
+			.value = fmi,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = entry->d_name.len + 1,
+			.value = entry->d_name.name,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_mknod_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, umode_t mode, dev_t rdev)
+{
+	int err = 0;
+	const struct fuse_mknod_in *fmi = fa->in_args[0].value;
+	struct fuse_inode *fuse_inode = get_fuse_inode(dir);
+	struct inode *backing_inode = fuse_inode->backing_inode;
+	struct path backing_path = {};
+	struct inode *inode = NULL;
+
+	//TODO Actually deal with changing the backing entry in mknod
+	get_fuse_backing_path(entry, &backing_path);
+	if (!backing_path.dentry)
+		return -EBADF;
+
+	inode_lock_nested(backing_inode, I_MUTEX_PARENT);
+	mode = fmi->mode;
+	if (!IS_POSIXACL(backing_inode))
+		mode &= ~fmi->umask;
+	err = vfs_mknod(backing_inode, backing_path.dentry,
+			mode, new_decode_dev(fmi->rdev));
+	inode_unlock(backing_inode);
+	if (err)
+		goto out;
+	if (d_really_is_negative(backing_path.dentry) ||
+		unlikely(d_unhashed(backing_path.dentry))) {
+		err = -EINVAL;
+		/**
+		 * TODO: overlayfs responds to this situation with a
+		 * lookupOneLen. Should we do that too?
+		 */
+		goto out;
+	}
+	inode = fuse_iget_backing(dir->i_sb, fuse_inode->nodeid, backing_inode);
+	if (IS_ERR(inode)) {
+		err = PTR_ERR(inode);
+		goto out;
+	}
+	d_instantiate(entry, inode);
+out:
+	path_put(&backing_path);
+	return err;
+}
+
+void *fuse_mknod_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, umode_t mode, dev_t rdev)
+{
+	return NULL;
+}
+
+int fuse_mkdir_initialize(
+		struct fuse_bpf_args *fa, struct fuse_mkdir_in *fmi,
+		struct inode *dir, struct dentry *entry, umode_t mode)
+{
+	*fmi = (struct fuse_mkdir_in) {
+		.mode = mode,
+		.umask = current_umask(),
+	};
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(dir),
+		.opcode = FUSE_MKDIR,
+		.in_numargs = 2,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(*fmi),
+			.value = fmi,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = entry->d_name.len + 1,
+			.value = entry->d_name.name,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_mkdir_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir_inode, struct dentry *entry, umode_t mode)
+{
+	int err = 0;
+	const struct fuse_mkdir_in *fmi = fa->in_args[0].value;
+	struct fuse_inode *dir_fuse_inode = get_fuse_inode(dir_inode);
+	struct inode *dir_backing_inode = dir_fuse_inode->backing_inode;
+	struct path backing_path = {};
+	struct inode *inode = NULL;
+
+	//TODO Actually deal with changing the backing entry in mkdir
+	get_fuse_backing_path(entry, &backing_path);
+	if (!backing_path.dentry)
+		return -EBADF;
+
+	inode_lock_nested(dir_backing_inode, I_MUTEX_PARENT);
+	mode = fmi->mode;
+	if (!IS_POSIXACL(dir_backing_inode))
+		mode &= ~fmi->umask;
+	err = vfs_mkdir(dir_backing_inode, backing_path.dentry, mode);
+	if (err)
+		goto out;
+	if (d_really_is_negative(backing_path.dentry) ||
+		unlikely(d_unhashed(backing_path.dentry))) {
+		struct dentry *d = lookup_one_len(entry->d_name.name,
+					backing_path.dentry->d_parent,
+					entry->d_name.len);
+
+		if (IS_ERR(d)) {
+			err = PTR_ERR(d);
+			goto out;
+		}
+		dput(backing_path.dentry);
+		backing_path.dentry = d;
+	}
+	inode = fuse_iget_backing(dir_inode->i_sb, 0,
+				  backing_path.dentry->d_inode);
+	if (IS_ERR(inode)) {
+		err = PTR_ERR(inode);
+		goto out;
+	}
+	d_instantiate(entry, inode);
+	if (get_fuse_inode(inode)->bpf)
+		bpf_prog_put(get_fuse_inode(inode)->bpf);
+	get_fuse_inode(inode)->bpf = get_fuse_dentry(entry)->bpf;
+	get_fuse_dentry(entry)->bpf = NULL;
+out:
+	inode_unlock(dir_backing_inode);
+	path_put(&backing_path);
+	return err;
+}
+
+void *fuse_mkdir_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, umode_t mode)
+{
+	return NULL;
+}
+
+int fuse_rmdir_initialize(
+		struct fuse_bpf_args *fa, struct fuse_dummy_io *dummy,
+		struct inode *dir, struct dentry *entry)
+{
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(dir),
+		.opcode = FUSE_RMDIR,
+		.in_numargs = 1,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = entry->d_name.len + 1,
+			.value = entry->d_name.name,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_rmdir_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry)
+{
+	int err = 0;
+	struct path backing_path = {};
+	struct dentry *backing_parent_dentry;
+	struct inode *backing_inode;
+
+	/* TODO Actually deal with changing the backing entry in rmdir */
+	get_fuse_backing_path(entry, &backing_path);
+	if (!backing_path.dentry)
+		return -EBADF;
+
+	/* TODO Not sure if we should reverify like overlayfs, or get inode from d_parent */
+	backing_parent_dentry = dget_parent(backing_path.dentry);
+	backing_inode = d_inode(backing_parent_dentry);
+
+	inode_lock_nested(backing_inode, I_MUTEX_PARENT);
+	err = vfs_rmdir(backing_inode, backing_path.dentry);
+	inode_unlock(backing_inode);
+
+	dput(backing_parent_dentry);
+	if (!err)
+		d_drop(entry);
+	path_put(&backing_path);
+	return err;
+}
+
+void *fuse_rmdir_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry)
+{
+	return NULL;
+}
+
+static int fuse_rename_backing_common(
+			 struct inode *olddir, struct dentry *oldent,
+			 struct inode *newdir, struct dentry *newent,
+			 unsigned int flags)
+{
+	int err = 0;
+	struct path old_backing_path;
+	struct path new_backing_path;
+	struct dentry *old_backing_dir_dentry;
+	struct dentry *old_backing_dentry;
+	struct dentry *new_backing_dir_dentry;
+	struct dentry *new_backing_dentry;
+	struct dentry *trap = NULL;
+	struct inode *target_inode;
+
+	//TODO Actually deal with changing anything that isn't a flag
+	get_fuse_backing_path(oldent, &old_backing_path);
+	if (!old_backing_path.dentry)
+		return -EBADF;
+	get_fuse_backing_path(newent, &new_backing_path);
+	if (!new_backing_path.dentry) {
+		/*
+		 * TODO A file being moved from a backing path to another
+		 * backing path which is not yet instrumented with FUSE-BPF.
+		 * This may be slow and should be substituted with something
+		 * more clever.
+		 */
+		err = -EXDEV;
+		goto put_old_path;
+	}
+	if (new_backing_path.mnt != old_backing_path.mnt) {
+		err = -EXDEV;
+		goto put_new_path;
+	}
+	old_backing_dentry = old_backing_path.dentry;
+	new_backing_dentry = new_backing_path.dentry;
+	old_backing_dir_dentry = dget_parent(old_backing_dentry);
+	new_backing_dir_dentry = dget_parent(new_backing_dentry);
+	target_inode = d_inode(newent);
+
+	trap = lock_rename(old_backing_dir_dentry, new_backing_dir_dentry);
+	if (trap == old_backing_dentry) {
+		err = -EINVAL;
+		goto put_parents;
+	}
+	if (trap == new_backing_dentry) {
+		err = -ENOTEMPTY;
+		goto put_parents;
+	}
+	err = vfs_rename(d_inode(old_backing_dir_dentry), old_backing_dentry,
+			 d_inode(new_backing_dir_dentry), new_backing_dentry,
+			 NULL, flags);
+	if (err)
+		goto unlock;
+	if (target_inode)
+		fsstack_copy_attr_all(target_inode,
+				get_fuse_inode(target_inode)->backing_inode);
+	fsstack_copy_attr_all(d_inode(oldent), d_inode(old_backing_dentry));
+unlock:
+	unlock_rename(old_backing_dir_dentry, new_backing_dir_dentry);
+put_parents:
+	dput(new_backing_dir_dentry);
+	dput(old_backing_dir_dentry);
+put_new_path:
+	path_put(&new_backing_path);
+put_old_path:
+	path_put(&old_backing_path);
+	return err;
+}
+
+int fuse_rename2_initialize(struct fuse_bpf_args *fa, struct fuse_rename2_in *fri,
+			    struct inode *olddir, struct dentry *oldent,
+			    struct inode *newdir, struct dentry *newent,
+			    unsigned int flags)
+{
+	*fri = (struct fuse_rename2_in) {
+		.newdir = get_node_id(newdir),
+		.flags = flags,
+	};
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(olddir),
+		.opcode = FUSE_RENAME2,
+		.in_numargs = 3,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(*fri),
+			.value = fri,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = oldent->d_name.len + 1,
+			.value = oldent->d_name.name,
+		},
+		.in_args[2] = (struct fuse_bpf_in_arg) {
+			.size = newent->d_name.len + 1,
+			.value = newent->d_name.name,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_rename2_backing(struct fuse_bpf_args *fa,
+			 struct inode *olddir, struct dentry *oldent,
+			 struct inode *newdir, struct dentry *newent,
+			 unsigned int flags)
+{
+	const struct fuse_rename2_in *fri = fa->in_args[0].value;
+
+	/* TODO: deal with changing dirs/ents */
+	return fuse_rename_backing_common(olddir, oldent, newdir, newent, fri->flags);
+}
+
+void *fuse_rename2_finalize(struct fuse_bpf_args *fa,
+			    struct inode *olddir, struct dentry *oldent,
+			    struct inode *newdir, struct dentry *newent,
+			    unsigned int flags)
+{
+	return NULL;
+}
+
+int fuse_rename_initialize(struct fuse_bpf_args *fa, struct fuse_rename_in *fri,
+			   struct inode *olddir, struct dentry *oldent,
+			   struct inode *newdir, struct dentry *newent)
+{
+	*fri = (struct fuse_rename_in) {
+		.newdir = get_node_id(newdir),
+	};
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(olddir),
+		.opcode = FUSE_RENAME,
+		.in_numargs = 3,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(*fri),
+			.value = fri,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = oldent->d_name.len + 1,
+			.value = oldent->d_name.name,
+		},
+		.in_args[2] = (struct fuse_bpf_in_arg) {
+			.size = newent->d_name.len + 1,
+			.value = newent->d_name.name,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_rename_backing(struct fuse_bpf_args *fa,
+			struct inode *olddir, struct dentry *oldent,
+			struct inode *newdir, struct dentry *newent)
+{
+	/* TODO: deal with changing dirs/ents */
+	return fuse_rename_backing_common(olddir, oldent, newdir, newent, 0);
+}
+
+void *fuse_rename_finalize(struct fuse_bpf_args *fa,
+			   struct inode *olddir, struct dentry *oldent,
+			   struct inode *newdir, struct dentry *newent)
+{
+	return NULL;
+}
+
+int fuse_unlink_initialize(
+		struct fuse_bpf_args *fa, struct fuse_dummy_io *dummy,
+		struct inode *dir, struct dentry *entry)
+{
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(dir),
+		.opcode = FUSE_UNLINK,
+		.in_numargs = 1,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = entry->d_name.len + 1,
+			.value = entry->d_name.name,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_unlink_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry)
+{
+	int err = 0;
+	struct path backing_path = {};
+	struct dentry *backing_parent_dentry;
+	struct inode *backing_inode;
+
+	/* TODO Actually deal with changing the backing entry in unlink */
+	get_fuse_backing_path(entry, &backing_path);
+	if (!backing_path.dentry)
+		return -EBADF;
+
+	/* TODO Not sure if we should reverify like overlayfs, or get inode from d_parent */
+	backing_parent_dentry = dget_parent(backing_path.dentry);
+	backing_inode = d_inode(backing_parent_dentry);
+
+	inode_lock_nested(backing_inode, I_MUTEX_PARENT);
+	err = vfs_unlink(backing_inode, backing_path.dentry, NULL);
+	inode_unlock(backing_inode);
+
+	dput(backing_parent_dentry);
+	if (!err)
+		d_drop(entry);
+	path_put(&backing_path);
+	return err;
+}
+
+void *fuse_unlink_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry)
+{
+	return NULL;
+}
+
+int fuse_link_initialize(struct fuse_bpf_args *fa, struct fuse_link_in *fli,
+			 struct dentry *entry, struct inode *dir,
+			 struct dentry *newent)
+{
+	struct inode *src_inode = entry->d_inode;
+
+	*fli = (struct fuse_link_in){
+		.oldnodeid = get_node_id(src_inode),
+	};
+
+	fa->opcode = FUSE_LINK;
+	fa->in_numargs = 2;
+	fa->in_args[0].size = sizeof(*fli);
+	fa->in_args[0].value = fli;
+	fa->in_args[1].size = newent->d_name.len + 1;
+	fa->in_args[1].value = newent->d_name.name;
+
+	return 0;
+}
+
+int fuse_link_backing(struct fuse_bpf_args *fa, struct dentry *entry,
+		      struct inode *dir, struct dentry *newent)
+{
+	int err = 0;
+	struct path backing_old_path = {};
+	struct path backing_new_path = {};
+	struct dentry *backing_dir_dentry;
+	struct inode *fuse_new_inode = NULL;
+	struct fuse_inode *fuse_dir_inode = get_fuse_inode(dir);
+	struct inode *backing_dir_inode = fuse_dir_inode->backing_inode;
+
+	get_fuse_backing_path(entry, &backing_old_path);
+	if (!backing_old_path.dentry)
+		return -EBADF;
+
+	get_fuse_backing_path(newent, &backing_new_path);
+	if (!backing_new_path.dentry) {
+		err = -EBADF;
+		goto err_dst_path;
+	}
+
+	backing_dir_dentry = dget_parent(backing_new_path.dentry);
+	backing_dir_inode = d_inode(backing_dir_dentry);
+
+	inode_lock_nested(backing_dir_inode, I_MUTEX_PARENT);
+	err = vfs_link(backing_old_path.dentry, backing_dir_inode, backing_new_path.dentry, NULL);
+	inode_unlock(backing_dir_inode);
+	if (err)
+		goto out;
+
+	if (d_really_is_negative(backing_new_path.dentry) ||
+	    unlikely(d_unhashed(backing_new_path.dentry))) {
+		err = -EINVAL;
+		/**
+		 * TODO: overlayfs responds to this situation with a
+		 * lookupOneLen. Should we do that too?
+		 */
+		goto out;
+	}
+
+	fuse_new_inode = fuse_iget_backing(dir->i_sb, fuse_dir_inode->nodeid, backing_dir_inode);
+	if (IS_ERR(fuse_new_inode)) {
+		err = PTR_ERR(fuse_new_inode);
+		goto out;
+	}
+	d_instantiate(newent, fuse_new_inode);
+
+out:
+	dput(backing_dir_dentry);
+	path_put(&backing_new_path);
+err_dst_path:
+	path_put(&backing_old_path);
+	return err;
+}
+
+void *fuse_link_finalize(struct fuse_bpf_args *fa, struct dentry *entry,
+			 struct inode *dir, struct dentry *newent)
+{
+	return NULL;
+}
+
+int fuse_getattr_initialize(struct fuse_bpf_args *fa, struct fuse_getattr_io *fgio,
+			const struct dentry *entry, struct kstat *stat,
+			u32 request_mask, unsigned int flags)
+{
+	fgio->fgi = (struct fuse_getattr_in) {
+		.getattr_flags = flags,
+		.fh = -1, /* TODO is this OK? */
+	};
+
+	fgio->fao = (struct fuse_attr_out) {0};
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(entry->d_inode),
+		.opcode = FUSE_GETATTR,
+		.in_numargs = 1,
+		.out_numargs = 1,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(fgio->fgi),
+			.value = &fgio->fgi,
+		},
+		.out_args[0] = (struct fuse_bpf_arg) {
+			.size = sizeof(fgio->fao),
+			.value = &fgio->fao,
+		},
+	};
+
+	return 0;
+}
+
+static void fuse_stat_to_attr(struct fuse_conn *fc, struct inode *inode,
+		struct kstat *stat, struct fuse_attr *attr)
+{
+	unsigned int blkbits;
+
+	/* see the comment in fuse_change_attributes() */
+	if (fc->writeback_cache && S_ISREG(inode->i_mode)) {
+		stat->size = i_size_read(inode);
+		stat->mtime.tv_sec = inode->i_mtime.tv_sec;
+		stat->mtime.tv_nsec = inode->i_mtime.tv_nsec;
+		stat->ctime.tv_sec = inode->i_ctime.tv_sec;
+		stat->ctime.tv_nsec = inode->i_ctime.tv_nsec;
+	}
+
+	attr->ino = stat->ino;
+	attr->mode = (inode->i_mode & S_IFMT) | (stat->mode & 07777);
+	attr->nlink = stat->nlink;
+	attr->uid = from_kuid(fc->user_ns, stat->uid);
+	attr->gid = from_kgid(fc->user_ns, stat->gid);
+	attr->atime = stat->atime.tv_sec;
+	attr->atimensec = stat->atime.tv_nsec;
+	attr->mtime = stat->mtime.tv_sec;
+	attr->mtimensec = stat->mtime.tv_nsec;
+	attr->ctime = stat->ctime.tv_sec;
+	attr->ctimensec = stat->ctime.tv_nsec;
+	attr->size = stat->size;
+	attr->blocks = stat->blocks;
+
+	if (stat->blksize != 0)
+		blkbits = ilog2(stat->blksize);
+	else
+		blkbits = inode->i_sb->s_blocksize_bits;
+
+	attr->blksize = 1 << blkbits;
+}
+
+int fuse_getattr_backing(struct fuse_bpf_args *fa,
+		const struct dentry *entry, struct kstat *stat,
+			u32 request_mask, unsigned int flags)
+{
+	struct path *backing_path =
+		&get_fuse_dentry(entry)->backing_path;
+	struct inode *backing_inode = backing_path->dentry->d_inode;
+	struct fuse_attr_out *fao = fa->out_args[0].value;
+	struct kstat tmp;
+	int err;
+
+	if (!stat)
+		stat = &tmp;
+
+	err = vfs_getattr(backing_path, stat, request_mask, flags);
+
+	if (!err)
+		fuse_stat_to_attr(get_fuse_conn(entry->d_inode),
+				  backing_inode, stat, &fao->attr);
+
+	return err;
+}
+
+void *fuse_getattr_finalize(struct fuse_bpf_args *fa,
+			const struct dentry *entry, struct kstat *stat,
+			u32 request_mask, unsigned int flags)
+{
+	struct fuse_attr_out *outarg = fa->out_args[0].value;
+	struct inode *inode = entry->d_inode;
+	u64 attr_version = fuse_get_attr_version(get_fuse_mount(inode)->fc);
+	int err = 0;
+
+	/* TODO: Ensure this doesn't happen if we had an error getting attrs in
+	 * backing.
+	 */
+	err = finalize_attr(inode, outarg, attr_version, stat);
+	return ERR_PTR(err);
+}
+
+static void fattr_to_iattr(struct fuse_conn *fc,
+			   const struct fuse_setattr_in *arg,
+			   struct iattr *iattr)
+{
+	unsigned int fvalid = arg->valid;
+
+	if (fvalid & FATTR_MODE)
+		iattr->ia_valid |= ATTR_MODE, iattr->ia_mode = arg->mode;
+	if (fvalid & FATTR_UID) {
+		iattr->ia_valid |= ATTR_UID;
+		iattr->ia_uid = make_kuid(fc->user_ns, arg->uid);
+	}
+	if (fvalid & FATTR_GID) {
+		iattr->ia_valid |= ATTR_GID;
+		iattr->ia_gid = make_kgid(fc->user_ns, arg->gid);
+	}
+	if (fvalid & FATTR_SIZE)
+		iattr->ia_valid |= ATTR_SIZE,  iattr->ia_size = arg->size;
+	if (fvalid & FATTR_ATIME) {
+		iattr->ia_valid |= ATTR_ATIME;
+		iattr->ia_atime.tv_sec = arg->atime;
+		iattr->ia_atime.tv_nsec = arg->atimensec;
+		if (!(fvalid & FATTR_ATIME_NOW))
+			iattr->ia_valid |= ATTR_ATIME_SET;
+	}
+	if (fvalid & FATTR_MTIME) {
+		iattr->ia_valid |= ATTR_MTIME;
+		iattr->ia_mtime.tv_sec = arg->mtime;
+		iattr->ia_mtime.tv_nsec = arg->mtimensec;
+		if (!(fvalid & FATTR_MTIME_NOW))
+			iattr->ia_valid |= ATTR_MTIME_SET;
+	}
+	if (fvalid & FATTR_CTIME) {
+		iattr->ia_valid |= ATTR_CTIME;
+		iattr->ia_ctime.tv_sec = arg->ctime;
+		iattr->ia_ctime.tv_nsec = arg->ctimensec;
+	}
+}
+
+int fuse_setattr_initialize(struct fuse_bpf_args *fa, struct fuse_setattr_io *fsio,
+		struct dentry *dentry, struct iattr *attr, struct file *file)
+{
+	struct fuse_conn *fc = get_fuse_conn(dentry->d_inode);
+
+	*fsio = (struct fuse_setattr_io) {0};
+	iattr_to_fattr(fc, attr, &fsio->fsi, true);
+
+	*fa = (struct fuse_bpf_args) {
+		.opcode = FUSE_SETATTR,
+		.nodeid = get_node_id(dentry->d_inode),
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(fsio->fsi),
+		.in_args[0].value = &fsio->fsi,
+		.out_numargs = 1,
+		.out_args[0].size = sizeof(fsio->fao),
+		.out_args[0].value = &fsio->fao,
+	};
+
+	return 0;
+}
+
+int fuse_setattr_backing(struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct iattr *attr, struct file *file)
+{
+	struct fuse_conn *fc = get_fuse_conn(dentry->d_inode);
+	const struct fuse_setattr_in *fsi = fa->in_args[0].value;
+	struct iattr new_attr = {0};
+	struct path *backing_path = &get_fuse_dentry(dentry)->backing_path;
+	int res;
+
+	fattr_to_iattr(fc, fsi, &new_attr);
+	/* TODO: Some info doesn't get saved by the attr->fattr->attr transition
+	 * When we actually allow the bpf to change these, we may have to consider
+	 * the extra flags more, or pass more info into the bpf. Until then we can
+	 * keep everything except for ATTR_FILE, since we'd need a file on the
+	 * lower fs. For what it's worth, neither f2fs nor ext4 make use of that
+	 * even if it is present.
+	 */
+	new_attr.ia_valid = attr->ia_valid & ~ATTR_FILE;
+	inode_lock(d_inode(backing_path->dentry));
+	res = notify_change(backing_path->dentry, &new_attr, NULL);
+	inode_unlock(d_inode(backing_path->dentry));
+
+	if (res == 0 && (new_attr.ia_valid & ATTR_SIZE))
+		i_size_write(dentry->d_inode, new_attr.ia_size);
+	return res;
+}
+
+void *fuse_setattr_finalize(struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct iattr *attr, struct file *file)
+{
+	return NULL;
+}
+
+int fuse_statfs_initialize(
+		struct fuse_bpf_args *fa, struct fuse_statfs_out *fso,
+		struct dentry *dentry, struct kstatfs *buf)
+{
+	*fso = (struct fuse_statfs_out) {0};
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(d_inode(dentry)),
+		.opcode = FUSE_STATFS,
+		.out_numargs = 1,
+		.out_numargs = 1,
+		.out_args[0].size = sizeof(fso),
+		.out_args[0].value = fso,
+	};
+
+	return 0;
+}
+
+int fuse_statfs_backing(
+		struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct kstatfs *buf)
+{
+	int err = 0;
+	struct path backing_path;
+	struct fuse_statfs_out *fso = fa->out_args[0].value;
+
+	get_fuse_backing_path(dentry, &backing_path);
+	if (!backing_path.dentry)
+		return -EBADF;
+	err = vfs_statfs(&backing_path, buf);
+	path_put(&backing_path);
+	buf->f_type = FUSE_SUPER_MAGIC;
+
+	//TODO Provide postfilter opportunity to modify
+	if (!err)
+		convert_statfs_to_fuse(&fso->st, buf);
+
+	return err;
+}
+
+void *fuse_statfs_finalize(
+		struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct kstatfs *buf)
+{
+	struct fuse_statfs_out *fso = fa->out_args[0].value;
+
+	if (!fa->error_in)
+		convert_fuse_statfs(buf, &fso->st);
+	return NULL;
+}
+
+int fuse_get_link_initialize(struct fuse_bpf_args *fa, struct fuse_dummy_io *unused,
+		struct inode *inode, struct dentry *dentry,
+		struct delayed_call *callback, const char **out)
+{
+	/*
+	 * TODO
+	 * If we want to handle changing these things, we'll need to copy
+	 * the lower fs's data into our own buffer, and provide our own callback
+	 * to free that buffer.
+	 *
+	 * Pre could change the name we're looking at
+	 * postfilter can change the name we return
+	 *
+	 * We ought to only make that buffer if it's been requested, so leaving
+	 * this unimplemented for the moment
+	 */
+	*fa = (struct fuse_bpf_args) {
+		.opcode = FUSE_READLINK,
+		.nodeid = get_node_id(inode),
+		.in_numargs = 1,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = dentry->d_name.len + 1,
+			.value = dentry->d_name.name,
+		},
+		/*
+		 * .out_argvar = 1,
+		 * .out_numargs = 1,
+		 * .out_args[0].size = ,
+		 * .out_args[0].value = ,
+		 */
+	};
+
+	return 0;
+}
+
+int fuse_get_link_backing(struct fuse_bpf_args *fa,
+		struct inode *inode, struct dentry *dentry,
+		struct delayed_call *callback, const char **out)
+{
+	struct path backing_path;
+
+	if (!dentry) {
+		*out = ERR_PTR(-ECHILD);
+		return PTR_ERR(*out);
+	}
+
+	get_fuse_backing_path(dentry, &backing_path);
+	if (!backing_path.dentry) {
+		*out = ERR_PTR(-ECHILD);
+		return PTR_ERR(*out);
+	}
+
+	/*
+	 * TODO: If we want to do our own thing, copy the data and then call the
+	 * callback
+	 */
+	*out = vfs_get_link(backing_path.dentry, callback);
+
+	path_put(&backing_path);
+	return 0;
+}
+
+void *fuse_get_link_finalize(struct fuse_bpf_args *fa,
+		struct inode *inode, struct dentry *dentry,
+		struct delayed_call *callback,  const char **out)
+{
+	return NULL;
+}
+
+int fuse_symlink_initialize(
+		struct fuse_bpf_args *fa, struct fuse_dummy_io *unused,
+		struct inode *dir, struct dentry *entry, const char *link, int len)
+{
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = get_node_id(dir),
+		.opcode = FUSE_SYMLINK,
+		.in_numargs = 2,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = entry->d_name.len + 1,
+			.value = entry->d_name.name,
+		},
+		.in_args[1] = (struct fuse_bpf_in_arg) {
+			.size = len,
+			.value = link,
+		},
+	};
+
+	return 0;
+}
+
+int fuse_symlink_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, const char *link, int len)
+{
+	int err = 0;
+	struct fuse_inode *fuse_inode = get_fuse_inode(dir);
+	struct inode *backing_inode = fuse_inode->backing_inode;
+	struct path backing_path = {};
+	struct inode *inode = NULL;
+
+	//TODO Actually deal with changing the backing entry in symlink
+	get_fuse_backing_path(entry, &backing_path);
+	if (!backing_path.dentry)
+		return -EBADF;
+
+	inode_lock_nested(backing_inode, I_MUTEX_PARENT);
+	err = vfs_symlink(backing_inode, backing_path.dentry, link);
+	inode_unlock(backing_inode);
+	if (err)
+		goto out;
+	if (d_really_is_negative(backing_path.dentry) ||
+		unlikely(d_unhashed(backing_path.dentry))) {
+		err = -EINVAL;
+		/**
+		 * TODO: overlayfs responds to this situation with a
+		 * lookupOneLen. Should we do that too?
+		 */
+		goto out;
+	}
+	inode = fuse_iget_backing(dir->i_sb, fuse_inode->nodeid, backing_inode);
+	if (IS_ERR(inode)) {
+		err = PTR_ERR(inode);
+		goto out;
+	}
+	d_instantiate(entry, inode);
+out:
+	path_put(&backing_path);
+	return err;
+}
+
+void *fuse_symlink_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, const char *link, int len)
+{
+	return NULL;
+}
+
+int fuse_readdir_initialize(struct fuse_bpf_args *fa, struct fuse_read_io *frio,
+			    struct file *file, struct dir_context *ctx,
+			    bool *force_again, bool *allow_force, bool is_continued)
+{
+	struct fuse_file *ff = file->private_data;
+	u8 *page = (u8 *)__get_free_page(GFP_KERNEL);
+
+	if (!page)
+		return -ENOMEM;
+
+	*fa = (struct fuse_bpf_args) {
+		.nodeid = ff->nodeid,
+		.opcode = FUSE_READDIR,
+		.in_numargs = 1,
+		.flags = FUSE_BPF_OUT_ARGVAR,
+		.out_numargs = 2,
+		.in_args[0] = (struct fuse_bpf_in_arg) {
+			.size = sizeof(frio->fri),
+			.value = &frio->fri,
+		},
+		.out_args[0] = (struct fuse_bpf_arg) {
+			.size = sizeof(frio->fro),
+			.value = &frio->fro,
+		},
+		.out_args[1] = (struct fuse_bpf_arg) {
+			.size = PAGE_SIZE,
+			.value = page,
+		},
+	};
+
+	frio->fri = (struct fuse_read_in) {
+		.fh = ff->fh,
+		.offset = ctx->pos,
+		.size = PAGE_SIZE,
+	};
+	frio->fro = (struct fuse_read_out) {
+		.again = 0,
+		.offset = 0,
+	};
+	*force_again = false;
+	*allow_force = true;
+	return 0;
+}
+
+struct extfuse_ctx {
+	struct dir_context ctx;
+	u8 *addr;
+	size_t offset;
+};
+
+static int filldir(struct dir_context *ctx, const char *name, int namelen,
+				   loff_t offset, u64 ino, unsigned int d_type)
+{
+	struct extfuse_ctx *ec = container_of(ctx, struct extfuse_ctx, ctx);
+	struct fuse_dirent *fd = (struct fuse_dirent *) (ec->addr + ec->offset);
+
+	if (ec->offset + sizeof(struct fuse_dirent) + namelen > PAGE_SIZE)
+		return -ENOMEM;
+
+	*fd = (struct fuse_dirent) {
+		.ino = ino,
+		.off = offset,
+		.namelen = namelen,
+		.type = d_type,
+	};
+
+	memcpy(fd->name, name, namelen);
+	ec->offset += FUSE_DIRENT_SIZE(fd);
+
+	return 0;
+}
+
+static int parse_dirfile(char *buf, size_t nbytes, struct dir_context *ctx)
+{
+	while (nbytes >= FUSE_NAME_OFFSET) {
+		struct fuse_dirent *dirent = (struct fuse_dirent *) buf;
+		size_t reclen = FUSE_DIRENT_SIZE(dirent);
+
+		if (!dirent->namelen || dirent->namelen > FUSE_NAME_MAX)
+			return -EIO;
+		if (reclen > nbytes)
+			break;
+		if (memchr(dirent->name, '/', dirent->namelen) != NULL)
+			return -EIO;
+
+		ctx->pos = dirent->off;
+		if (!dir_emit(ctx, dirent->name, dirent->namelen, dirent->ino,
+				dirent->type))
+			break;
+
+		buf += reclen;
+		nbytes -= reclen;
+	}
+
+	return 0;
+}
+
+
+int fuse_readdir_backing(struct fuse_bpf_args *fa,
+			 struct file *file, struct dir_context *ctx,
+			 bool *force_again, bool *allow_force, bool is_continued)
+{
+	struct fuse_file *ff = file->private_data;
+	struct file *backing_dir = ff->backing_file;
+	struct fuse_read_out *fro = fa->out_args[0].value;
+	struct extfuse_ctx ec;
+	int err;
+
+	ec = (struct extfuse_ctx) {
+		.ctx.actor = filldir,
+		.ctx.pos = ctx->pos,
+		.addr = fa->out_args[1].value,
+	};
+
+	if (!ec.addr)
+		return -ENOMEM;
+
+	if (!is_continued)
+		backing_dir->f_pos = file->f_pos;
+
+	err = iterate_dir(backing_dir, &ec.ctx);
+	if (ec.offset == 0)
+		*allow_force = false;
+	fa->out_args[1].size = ec.offset;
+
+	fro->offset = ec.ctx.pos;
+	fro->again = false;
+	return err;
+}
+
+void *fuse_readdir_finalize(struct fuse_bpf_args *fa,
+			    struct file *file, struct dir_context *ctx,
+			    bool *force_again, bool *allow_force, bool is_continued)
+{
+	struct fuse_read_out *fro = fa->out_args[0].value;
+	struct fuse_file *ff = file->private_data;
+	struct file *backing_dir = ff->backing_file;
+	int err = 0;
+
+	err = parse_dirfile(fa->out_args[1].value, fa->out_args[1].size, ctx);
+	*force_again = !!fro->again;
+	if (*force_again && !*allow_force)
+		err = -EINVAL;
+
+	ctx->pos = fro->offset;
+	backing_dir->f_pos = fro->offset;
+
+	free_page((unsigned long) fa->out_args[1].value);
+	return ERR_PTR(err);
+}
+
+int fuse_access_initialize(struct fuse_bpf_args *fa, struct fuse_access_in *fai,
+			    struct inode *inode, int mask)
+{
+	*fai = (struct fuse_access_in) {
+		.mask = mask,
+	};
+
+	*fa = (struct fuse_bpf_args) {
+		.opcode = FUSE_ACCESS,
+		.nodeid = get_node_id(inode),
+		.in_numargs = 1,
+		.in_args[0].size = sizeof(*fai),
+		.in_args[0].value = fai,
+	};
+
+	return 0;
+}
+
+int fuse_access_backing(struct fuse_bpf_args *fa, struct inode *inode, int mask)
+{
+	struct fuse_inode *fi = get_fuse_inode(inode);
+	const struct fuse_access_in *fai = fa->in_args[0].value;
+
+	return inode_permission(/* For mainline: init_user_ns,*/
+				fi->backing_inode, fai->mask);
+}
+
+void *fuse_access_finalize(struct fuse_bpf_args *fa, struct inode *inode, int mask)
+{
+	return NULL;
+}
+
+int __init fuse_bpf_init(void)
+{
+	fuse_bpf_aio_request_cachep = kmem_cache_create("fuse_bpf_aio_req",
+						   sizeof(struct fuse_bpf_aio_req),
+						   0, SLAB_HWCACHE_ALIGN, NULL);
+	if (!fuse_bpf_aio_request_cachep)
+		return -ENOMEM;
+
+	return 0;
+}
+
+void __exit fuse_bpf_cleanup(void)
+{
+	kmem_cache_destroy(fuse_bpf_aio_request_cachep);
+}
+
+ssize_t fuse_bpf_simple_request(struct fuse_mount *fm, struct fuse_bpf_args *bpf_args)
+{
+	int i;
+	ssize_t res;
+	struct fuse_args args = {
+		.nodeid = bpf_args->nodeid,
+		.opcode = bpf_args->opcode,
+		.error_in = bpf_args->error_in,
+		.in_numargs = bpf_args->in_numargs,
+		.out_numargs = bpf_args->out_numargs,
+		.force = !!(bpf_args->flags & FUSE_BPF_FORCE),
+		.out_argvar = !!(bpf_args->flags & FUSE_BPF_OUT_ARGVAR),
+	};
+
+	for (i = 0; i < args.in_numargs; ++i)
+		args.in_args[i] = (struct fuse_in_arg) {
+			.size = bpf_args->in_args[i].size,
+			.value = bpf_args->in_args[i].value,
+		};
+	for (i = 0; i < args.out_numargs; ++i)
+		args.out_args[i] = (struct fuse_arg) {
+			.size = bpf_args->out_args[i].size,
+			.value = bpf_args->out_args[i].value,
+		};
+
+	res = fuse_simple_request(fm, &args);
+
+	*bpf_args = (struct fuse_bpf_args) {
+		.nodeid = args.nodeid,
+		.opcode = args.opcode,
+		.error_in = args.error_in,
+		.in_numargs = args.in_numargs,
+		.out_numargs = args.out_numargs,
+	};
+	if (args.force)
+		bpf_args->flags |= FUSE_BPF_FORCE;
+	if (args.out_argvar)
+		bpf_args->flags |= FUSE_BPF_OUT_ARGVAR;
+	for (i = 0; i < args.in_numargs; ++i)
+		bpf_args->in_args[i] = (struct fuse_bpf_in_arg) {
+			.size = args.in_args[i].size,
+			.value = args.in_args[i].value,
+		};
+	for (i = 0; i < args.out_numargs; ++i)
+		bpf_args->out_args[i] = (struct fuse_bpf_arg) {
+			.size = args.out_args[i].size,
+			.value = args.out_args[i].value,
+		};
+	return res;
+}
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 24b4d9d..9b46669 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -395,7 +395,7 @@
 	return register_filesystem(&fuse_ctl_fs_type);
 }
 
-void __exit fuse_ctl_cleanup(void)
+void fuse_ctl_cleanup(void)
 {
 	unregister_filesystem(&fuse_ctl_fs_type);
 }
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 8ac91ba..23445c4 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -14,6 +14,7 @@
 #include <linux/sched/signal.h>
 #include <linux/uio.h>
 #include <linux/miscdevice.h>
+#include <linux/namei.h>
 #include <linux/pagemap.h>
 #include <linux/file.h>
 #include <linux/slab.h>
@@ -207,10 +208,13 @@
 /**
  * A new request is available, wake fiq->waitq
  */
-static void fuse_dev_wake_and_unlock(struct fuse_iqueue *fiq)
+static void fuse_dev_wake_and_unlock(struct fuse_iqueue *fiq, bool sync)
 __releases(fiq->lock)
 {
-	wake_up(&fiq->waitq);
+	if (sync)
+		wake_up_sync(&fiq->waitq);
+	else
+		wake_up(&fiq->waitq);
 	kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
 	spin_unlock(&fiq->lock);
 }
@@ -223,14 +227,14 @@
 EXPORT_SYMBOL_GPL(fuse_dev_fiq_ops);
 
 static void queue_request_and_unlock(struct fuse_iqueue *fiq,
-				     struct fuse_req *req)
+				     struct fuse_req *req, bool sync)
 __releases(fiq->lock)
 {
 	req->in.h.len = sizeof(struct fuse_in_header) +
 		fuse_len_args(req->args->in_numargs,
 			      (struct fuse_arg *) req->args->in_args);
 	list_add_tail(&req->list, &fiq->pending);
-	fiq->ops->wake_pending_and_unlock(fiq);
+	fiq->ops->wake_pending_and_unlock(fiq, sync);
 }
 
 void fuse_queue_forget(struct fuse_conn *fc, struct fuse_forget_link *forget,
@@ -238,6 +242,11 @@
 {
 	struct fuse_iqueue *fiq = &fc->iq;
 
+	if (nodeid == 0) {
+		kfree(forget);
+		return;
+	}
+
 	forget->forget_one.nodeid = nodeid;
 	forget->forget_one.nlookup = nlookup;
 
@@ -245,7 +254,7 @@
 	if (fiq->connected) {
 		fiq->forget_list_tail->next = forget;
 		fiq->forget_list_tail = forget;
-		fiq->ops->wake_forget_and_unlock(fiq);
+		fiq->ops->wake_forget_and_unlock(fiq, false);
 	} else {
 		kfree(forget);
 		spin_unlock(&fiq->lock);
@@ -265,7 +274,7 @@
 		fc->active_background++;
 		spin_lock(&fiq->lock);
 		req->in.h.unique = fuse_get_unique(fiq);
-		queue_request_and_unlock(fiq, req);
+		queue_request_and_unlock(fiq, req, false);
 	}
 }
 
@@ -358,7 +367,7 @@
 			spin_unlock(&fiq->lock);
 			return 0;
 		}
-		fiq->ops->wake_interrupt_and_unlock(fiq);
+		fiq->ops->wake_interrupt_and_unlock(fiq, false);
 	} else {
 		spin_unlock(&fiq->lock);
 	}
@@ -425,7 +434,7 @@
 		/* acquire extra reference, since request is still needed
 		   after fuse_request_end() */
 		__fuse_get_request(req);
-		queue_request_and_unlock(fiq, req);
+		queue_request_and_unlock(fiq, req, true);
 
 		request_wait_answer(req);
 		/* Pairs with smp_wmb() in fuse_request_end() */
@@ -479,6 +488,7 @@
 {
 	req->in.h.opcode = args->opcode;
 	req->in.h.nodeid = args->nodeid;
+	req->in.h.error_in = args->error_in;
 	req->args = args;
 	if (args->end)
 		__set_bit(FR_ASYNC, &req->flags);
@@ -600,7 +610,7 @@
 
 	spin_lock(&fiq->lock);
 	if (fiq->connected) {
-		queue_request_and_unlock(fiq, req);
+		queue_request_and_unlock(fiq, req, false);
 	} else {
 		err = -ENODEV;
 		spin_unlock(&fiq->lock);
@@ -785,7 +795,8 @@
 	       1 << PG_active |
 	       1 << PG_workingset |
 	       1 << PG_reclaim |
-	       1 << PG_waiters))) {
+	       1 << PG_waiters |
+	       LRU_GEN_MASK | LRU_REFS_MASK))) {
 		dump_page(page, "fuse: trying to steal weird page");
 		return 1;
 	}
@@ -1934,6 +1945,27 @@
 		err = copy_out_args(cs, req->args, nbytes);
 	fuse_copy_finish(cs);
 
+	if (!err && req->in.h.opcode == FUSE_CANONICAL_PATH && !oh.error) {
+		char *path = (char *)req->args->out_args[0].value;
+
+		path[req->args->out_args[0].size - 1] = 0;
+		req->out.h.error =
+			kern_path(path, 0, req->args->canonical_path);
+	}
+
+	if (!err && (req->in.h.opcode == FUSE_LOOKUP ||
+		     req->in.h.opcode == (FUSE_LOOKUP | FUSE_POSTFILTER)) &&
+		req->args->out_args[1].size == sizeof(struct fuse_entry_bpf_out)) {
+		struct fuse_entry_bpf_out *febo = (struct fuse_entry_bpf_out *)
+				req->args->out_args[1].value;
+		struct fuse_entry_bpf *feb = container_of(febo, struct fuse_entry_bpf, out);
+
+		if (febo->backing_action == FUSE_ACTION_REPLACE)
+			feb->backing_file = fget(febo->backing_fd);
+		if (febo->bpf_action == FUSE_ACTION_REPLACE)
+			feb->bpf_file = fget(febo->bpf_fd);
+	}
+
 	spin_lock(&fpq->lock);
 	clear_bit(FR_LOCKED, &req->flags);
 	if (!fpq->connected)
@@ -2263,37 +2295,50 @@
 static long fuse_dev_ioctl(struct file *file, unsigned int cmd,
 			   unsigned long arg)
 {
-	int err = -ENOTTY;
+	int res;
+	int oldfd;
+	struct fuse_dev *fud = NULL;
 
-	if (cmd == FUSE_DEV_IOC_CLONE) {
-		int oldfd;
-
-		err = -EFAULT;
-		if (!get_user(oldfd, (__u32 __user *) arg)) {
+	switch (cmd) {
+	case FUSE_DEV_IOC_CLONE:
+		res = -EFAULT;
+		if (!get_user(oldfd, (__u32 __user *)arg)) {
 			struct file *old = fget(oldfd);
 
-			err = -EINVAL;
+			res = -EINVAL;
 			if (old) {
-				struct fuse_dev *fud = NULL;
-
 				/*
 				 * Check against file->f_op because CUSE
 				 * uses the same ioctl handler.
 				 */
 				if (old->f_op == file->f_op &&
-				    old->f_cred->user_ns == file->f_cred->user_ns)
+				    old->f_cred->user_ns ==
+					    file->f_cred->user_ns)
 					fud = fuse_get_dev(old);
 
 				if (fud) {
 					mutex_lock(&fuse_mutex);
-					err = fuse_device_clone(fud->fc, file);
+					res = fuse_device_clone(fud->fc, file);
 					mutex_unlock(&fuse_mutex);
 				}
 				fput(old);
 			}
 		}
+		break;
+	case FUSE_DEV_IOC_PASSTHROUGH_OPEN:
+		res = -EFAULT;
+		if (!get_user(oldfd, (__u32 __user *)arg)) {
+			res = -EINVAL;
+			fud = fuse_get_dev(file);
+			if (fud)
+				res = fuse_passthrough_open(fud, oldfd);
+		}
+		break;
+	default:
+		res = -ENOTTY;
+		break;
 	}
-	return err;
+	return res;
 }
 
 const struct file_operations fuse_dev_operations = {
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index b0c701c..ba4e7ea 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -8,8 +8,10 @@
 
 #include "fuse_i.h"
 
+#include <linux/fdtable.h>
 #include <linux/pagemap.h>
 #include <linux/file.h>
+#include <linux/filter.h>
 #include <linux/fs_context.h>
 #include <linux/sched.h>
 #include <linux/namei.h>
@@ -18,6 +20,8 @@
 #include <linux/iversion.h>
 #include <linux/posix_acl.h>
 
+#include "../internal.h"
+
 static void fuse_advise_use_readdirplus(struct inode *dir)
 {
 	struct fuse_inode *fi = get_fuse_inode(dir);
@@ -25,7 +29,7 @@
 	set_bit(FUSE_I_ADVISE_RDPLUS, &fi->state);
 }
 
-#if BITS_PER_LONG >= 64
+#if BITS_PER_LONG >= 64 && !defined(CONFIG_FUSE_BPF)
 static inline void __fuse_dentry_settime(struct dentry *entry, u64 time)
 {
 	entry->d_fsdata = (void *) time;
@@ -37,19 +41,15 @@
 }
 
 #else
-union fuse_dentry {
-	u64 time;
-	struct rcu_head rcu;
-};
 
 static inline void __fuse_dentry_settime(struct dentry *dentry, u64 time)
 {
-	((union fuse_dentry *) dentry->d_fsdata)->time = time;
+	((struct fuse_dentry *) dentry->d_fsdata)->time = time;
 }
 
 static inline u64 fuse_dentry_time(const struct dentry *entry)
 {
-	return ((union fuse_dentry *) entry->d_fsdata)->time;
+	return ((struct fuse_dentry *) entry->d_fsdata)->time;
 }
 #endif
 
@@ -74,26 +74,16 @@
 	__fuse_dentry_settime(dentry, time);
 }
 
-/*
- * FUSE caches dentries and attributes with separate timeout.  The
- * time in jiffies until the dentry/attributes are valid is stored in
- * dentry->d_fsdata and fuse_inode->i_time respectively.
- */
-
-/*
- * Calculate the time in jiffies until a dentry/attributes are valid
- */
-static u64 time_to_jiffies(u64 sec, u32 nsec)
+void fuse_init_dentry_root(struct dentry *root, struct file *backing_dir)
 {
-	if (sec || nsec) {
-		struct timespec64 ts = {
-			sec,
-			min_t(u32, nsec, NSEC_PER_SEC - 1)
-		};
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_dentry *fuse_dentry = root->d_fsdata;
 
-		return get_jiffies_64() + timespec64_to_jiffies(&ts);
-	} else
-		return 0;
+	if (backing_dir) {
+		fuse_dentry->backing_path = backing_dir->f_path;
+		path_get(&fuse_dentry->backing_path);
+	}
+#endif
 }
 
 /*
@@ -106,11 +96,6 @@
 		time_to_jiffies(o->entry_valid, o->entry_valid_nsec));
 }
 
-static u64 attr_timeout(struct fuse_attr_out *o)
-{
-	return time_to_jiffies(o->attr_valid, o->attr_valid_nsec);
-}
-
 u64 entry_attr_timeout(struct fuse_entry_out *o)
 {
 	return time_to_jiffies(o->attr_valid, o->attr_valid_nsec);
@@ -171,7 +156,8 @@
 
 static void fuse_lookup_init(struct fuse_conn *fc, struct fuse_args *args,
 			     u64 nodeid, const struct qstr *name,
-			     struct fuse_entry_out *outarg)
+			     struct fuse_entry_out *outarg,
+			     struct fuse_entry_bpf_out *bpf_outarg)
 {
 	memset(outarg, 0, sizeof(struct fuse_entry_out));
 	args->opcode = FUSE_LOOKUP;
@@ -179,11 +165,57 @@
 	args->in_numargs = 1;
 	args->in_args[0].size = name->len + 1;
 	args->in_args[0].value = name->name;
-	args->out_numargs = 1;
+	args->out_argvar = true;
+	args->out_numargs = 2;
 	args->out_args[0].size = sizeof(struct fuse_entry_out);
 	args->out_args[0].value = outarg;
+	args->out_args[1].size = sizeof(struct fuse_entry_bpf_out);
+	args->out_args[1].value = bpf_outarg;
 }
 
+#ifdef CONFIG_FUSE_BPF
+static bool backing_data_changed(struct fuse_inode *fi, struct dentry *entry,
+				 struct fuse_entry_bpf *bpf_arg)
+{
+	struct path new_backing_path;
+	struct inode *new_backing_inode;
+	struct bpf_prog *bpf = NULL;
+	int err;
+	bool ret = true;
+
+	if (!entry || !fi->backing_inode) {
+		ret = false;
+		goto put_backing_file;
+	}
+
+	get_fuse_backing_path(entry, &new_backing_path);
+	new_backing_inode = fi->backing_inode;
+	ihold(new_backing_inode);
+
+	err = fuse_handle_backing(bpf_arg, &new_backing_inode, &new_backing_path);
+
+	if (err)
+		goto put_inode;
+
+	err = fuse_handle_bpf_prog(bpf_arg, entry->d_parent->d_inode, &bpf);
+	if (err)
+		goto put_bpf;
+
+	ret = (bpf != fi->bpf || fi->backing_inode != new_backing_inode ||
+			!path_equal(&get_fuse_dentry(entry)->backing_path, &new_backing_path));
+put_bpf:
+	if (bpf)
+		bpf_prog_put(bpf);
+put_inode:
+	iput(new_backing_inode);
+	path_put(&new_backing_path);
+put_backing_file:
+	if (bpf_arg->backing_file)
+		fput(bpf_arg->backing_file);
+	return ret;
+}
+#endif
+
 /*
  * Check whether the dentry is still valid
  *
@@ -204,9 +236,22 @@
 	inode = d_inode_rcu(entry);
 	if (inode && fuse_is_bad(inode))
 		goto invalid;
-	else if (time_before64(fuse_dentry_time(entry), get_jiffies_64()) ||
+#ifdef CONFIG_FUSE_BPF
+	/* TODO: Do we need bpf support for revalidate?
+	 * If the lower filesystem says the entry is invalid, FUSE probably shouldn't
+	 * try to fix that without going through the normal lookup path...
+	 */
+	if (get_fuse_dentry(entry)->backing_path.dentry) {
+		ret = fuse_revalidate_backing(entry, flags);
+		if (ret <= 0) {
+			goto out;
+		}
+	}
+#endif
+	if (time_before64(fuse_dentry_time(entry), get_jiffies_64()) ||
 		 (flags & (LOOKUP_EXCL | LOOKUP_REVAL | LOOKUP_RENAME_TARGET))) {
 		struct fuse_entry_out outarg;
+		struct fuse_entry_bpf bpf_arg;
 		FUSE_ARGS(args);
 		struct fuse_forget_link *forget;
 		u64 attr_version;
@@ -218,27 +263,44 @@
 		ret = -ECHILD;
 		if (flags & LOOKUP_RCU)
 			goto out;
-
 		fm = get_fuse_mount(inode);
 
+		parent = dget_parent(entry);
+
+#ifdef CONFIG_FUSE_BPF
+		/* TODO: Once we're handling timeouts for backing inodes, do a
+		 * bpf based lookup_revalidate here.
+		 */
+		if (get_fuse_inode(parent->d_inode)->backing_inode) {
+			dput(parent);
+			ret = 1;
+			goto out;
+		}
+#endif
 		forget = fuse_alloc_forget();
 		ret = -ENOMEM;
-		if (!forget)
+		if (!forget) {
+			dput(parent);
 			goto out;
+		}
 
 		attr_version = fuse_get_attr_version(fm->fc);
 
-		parent = dget_parent(entry);
 		fuse_lookup_init(fm->fc, &args, get_node_id(d_inode(parent)),
-				 &entry->d_name, &outarg);
+				 &entry->d_name, &outarg, &bpf_arg.out);
 		ret = fuse_simple_request(fm, &args);
 		dput(parent);
+
 		/* Zero nodeid is same as -ENOENT */
 		if (!ret && !outarg.nodeid)
 			ret = -ENOENT;
-		if (!ret) {
+		if (!ret || ret == sizeof(bpf_arg.out)) {
 			fi = get_fuse_inode(inode);
 			if (outarg.nodeid != get_node_id(inode) ||
+#ifdef CONFIG_FUSE_BPF
+			    (ret == sizeof(bpf_arg.out) &&
+					    backing_data_changed(fi, entry, &bpf_arg)) ||
+#endif
 			    (bool) IS_AUTOMOUNT(inode) != (bool) (outarg.attr.flags & FUSE_ATTR_SUBMOUNT)) {
 				fuse_queue_forget(fm->fc, forget,
 						  outarg.nodeid, 1);
@@ -280,17 +342,25 @@
 	goto out;
 }
 
-#if BITS_PER_LONG < 64
+#if BITS_PER_LONG < 64 || defined(CONFIG_FUSE_BPF)
 static int fuse_dentry_init(struct dentry *dentry)
 {
-	dentry->d_fsdata = kzalloc(sizeof(union fuse_dentry),
+	dentry->d_fsdata = kzalloc(sizeof(struct fuse_dentry),
 				   GFP_KERNEL_ACCOUNT | __GFP_RECLAIMABLE);
 
 	return dentry->d_fsdata ? 0 : -ENOMEM;
 }
 static void fuse_dentry_release(struct dentry *dentry)
 {
-	union fuse_dentry *fd = dentry->d_fsdata;
+	struct fuse_dentry *fd = dentry->d_fsdata;
+
+#ifdef CONFIG_FUSE_BPF
+	if (fd && fd->backing_path.dentry)
+		path_put(&fd->backing_path);
+
+	if (fd && fd->bpf)
+		bpf_prog_put(fd->bpf);
+#endif
 
 	kfree_rcu(fd, rcu);
 }
@@ -389,18 +459,80 @@
 	return ERR_PTR(err);
 }
 
+/*
+ * Get the canonical path. Since we must translate to a path, this must be done
+ * in the context of the userspace daemon, however, the userspace daemon cannot
+ * look up paths on its own. Instead, we handle the lookup as a special case
+ * inside of the write request.
+ */
+static void fuse_dentry_canonical_path(const struct path *path,
+				       struct path *canonical_path)
+{
+	struct inode *inode = d_inode(path->dentry);
+	//struct fuse_conn *fc = get_fuse_conn(inode);
+	struct fuse_mount *fm = get_fuse_mount_super(path->mnt->mnt_sb);
+	FUSE_ARGS(args);
+	char *path_name;
+	int err;
+
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_dummy_io,
+			       fuse_canonical_path_initialize,
+			       fuse_canonical_path_backing,
+			       fuse_canonical_path_finalize, path,
+			       canonical_path);
+	if (fer.ret) {
+		if (IS_ERR(fer.result))
+			canonical_path->dentry = fer.result;
+		return;
+	}
+#endif
+
+	path_name = (char *)get_zeroed_page(GFP_KERNEL);
+	if (!path_name) {
+		canonical_path->dentry = ERR_PTR(-ENOMEM);
+		return;
+	}
+
+	args.opcode = FUSE_CANONICAL_PATH;
+	args.nodeid = get_node_id(inode);
+	args.in_numargs = 0;
+	args.out_numargs = 1;
+	args.out_args[0].size = PATH_MAX;
+	args.out_args[0].value = path_name;
+	args.canonical_path = canonical_path;
+	args.out_argvar = 1;
+
+	err = fuse_simple_request(fm, &args);
+	free_page((unsigned long)path_name);
+	if (err > 0)
+		return;
+	if (err < 0) {
+		canonical_path->dentry = ERR_PTR(err);
+		return;
+	}
+
+	canonical_path->dentry = path->dentry;
+	canonical_path->mnt = path->mnt;
+	path_get(canonical_path);
+	return;
+}
+
 const struct dentry_operations fuse_dentry_operations = {
 	.d_revalidate	= fuse_dentry_revalidate,
 	.d_delete	= fuse_dentry_delete,
-#if BITS_PER_LONG < 64
+#if BITS_PER_LONG < 64 || defined(CONFIG_FUSE_BPF)
 	.d_init		= fuse_dentry_init,
 	.d_release	= fuse_dentry_release,
 #endif
 	.d_automount	= fuse_dentry_automount,
+	.d_canonical_path = fuse_dentry_canonical_path,
 };
 
 const struct dentry_operations fuse_root_dentry_operations = {
-#if BITS_PER_LONG < 64
+#if BITS_PER_LONG < 64 || defined(CONFIG_FUSE_BPF)
 	.d_init		= fuse_dentry_init,
 	.d_release	= fuse_dentry_release,
 #endif
@@ -419,10 +551,13 @@
 }
 
 int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name,
-		     struct fuse_entry_out *outarg, struct inode **inode)
+		     struct fuse_entry_out *outarg,
+		     struct dentry *entry,
+		     struct inode **inode)
 {
 	struct fuse_mount *fm = get_fuse_mount_super(sb);
 	FUSE_ARGS(args);
+	struct fuse_entry_bpf bpf_arg = {0};
 	struct fuse_forget_link *forget;
 	u64 attr_version;
 	int err;
@@ -432,7 +567,6 @@
 	if (name->len > FUSE_NAME_MAX)
 		goto out;
 
-
 	forget = fuse_alloc_forget();
 	err = -ENOMEM;
 	if (!forget)
@@ -440,23 +574,65 @@
 
 	attr_version = fuse_get_attr_version(fm->fc);
 
-	fuse_lookup_init(fm->fc, &args, nodeid, name, outarg);
+	fuse_lookup_init(fm->fc, &args, nodeid, name, outarg, &bpf_arg.out);
 	err = fuse_simple_request(fm, &args);
-	/* Zero nodeid is same as -ENOENT, but with valid timeout */
-	if (err || !outarg->nodeid)
-		goto out_put_forget;
 
-	err = -EIO;
-	if (!outarg->nodeid)
-		goto out_put_forget;
-	if (fuse_invalid_attr(&outarg->attr))
-		goto out_put_forget;
+#ifdef CONFIG_FUSE_BPF
+	if (err == sizeof(bpf_arg.out)) {
+		/* TODO Make sure this handles invalid handles */
+		struct file *backing_file;
+		struct inode *backing_inode;
 
-	*inode = fuse_iget(sb, outarg->nodeid, outarg->generation,
-			   &outarg->attr, entry_attr_timeout(outarg),
-			   attr_version);
+		err = -ENOENT;
+		if (!entry)
+			goto out_put_forget;
+
+		err = -EINVAL;
+		backing_file = bpf_arg.backing_file;
+		if (!backing_file)
+			goto out_put_forget;
+
+		if (IS_ERR(backing_file)) {
+			err = PTR_ERR(backing_file);
+			goto out_put_forget;
+		}
+
+		backing_inode = backing_file->f_inode;
+		*inode = fuse_iget_backing(sb, outarg->nodeid, backing_inode);
+		if (!*inode)
+			goto out_put_forget;
+
+		err = fuse_handle_backing(&bpf_arg,
+				&get_fuse_inode(*inode)->backing_inode,
+				&get_fuse_dentry(entry)->backing_path);
+		if (!err)
+			err = fuse_handle_bpf_prog(&bpf_arg, NULL,
+					   &get_fuse_inode(*inode)->bpf);
+		if (err) {
+			iput(*inode);
+			*inode = NULL;
+			goto out_put_forget;
+		}
+	} else
+#endif
+	{
+		/* Zero nodeid is same as -ENOENT, but with valid timeout */
+		if (err || !outarg->nodeid)
+			goto out_put_forget;
+
+		err = -EIO;
+		if (!outarg->nodeid)
+			goto out_put_forget;
+		if (fuse_invalid_attr(&outarg->attr))
+			goto out_put_forget;
+
+		*inode = fuse_iget(sb, outarg->nodeid, outarg->generation,
+				   &outarg->attr, entry_attr_timeout(outarg),
+				   attr_version);
+	}
+
 	err = -ENOMEM;
-	if (!*inode) {
+	if (!*inode && outarg->nodeid) {
 		fuse_queue_forget(fm->fc, forget, outarg->nodeid, 1);
 		goto out;
 	}
@@ -465,6 +641,8 @@
  out_put_forget:
 	kfree(forget);
  out:
+	if (bpf_arg.backing_file)
+		fput(bpf_arg.backing_file);
 	return err;
 }
 
@@ -478,12 +656,23 @@
 	bool outarg_valid = true;
 	bool locked;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(dir, struct fuse_lookup_io,
+			       fuse_lookup_initialize, fuse_lookup_backing,
+			       fuse_lookup_finalize,
+			       dir, entry, flags);
+	if (fer.ret)
+		return fer.result;
+#endif
+
 	if (fuse_is_bad(dir))
 		return ERR_PTR(-EIO);
 
 	locked = fuse_lock_inode(dir);
 	err = fuse_lookup_name(dir->i_sb, get_node_id(dir), &entry->d_name,
-			       &outarg, &inode);
+			       &outarg, entry, &inode);
 	fuse_unlock_inode(dir, locked);
 	if (err == -ENOENT) {
 		outarg_valid = false;
@@ -529,6 +718,7 @@
 {
 	int err;
 	struct inode *inode;
+	struct fuse_conn *fc = get_fuse_conn(dir);
 	struct fuse_mount *fm = get_fuse_mount(dir);
 	FUSE_ARGS(args);
 	struct fuse_forget_link *forget;
@@ -542,6 +732,20 @@
 	/* Userspace expects S_IFREG in create mode */
 	BUG_ON((mode & S_IFMT) != S_IFREG);
 
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(dir, struct fuse_create_open_io,
+				       fuse_create_open_initialize,
+				       fuse_create_open_backing,
+				       fuse_create_open_finalize,
+				       dir, entry, file, flags, mode);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+	}
+#endif
+
 	forget = fuse_alloc_forget();
 	err = -ENOMEM;
 	if (!forget)
@@ -585,6 +789,7 @@
 	ff->fh = outopen.fh;
 	ff->nodeid = outentry.nodeid;
 	ff->open_flags = outopen.open_flags;
+	fuse_passthrough_setup(fc, ff, &outopen);
 	inode = fuse_iget(dir->i_sb, outentry.nodeid, outentry.generation,
 			  &outentry.attr, entry_attr_timeout(&outentry), 0);
 	if (!inode) {
@@ -737,6 +942,17 @@
 	struct fuse_mount *fm = get_fuse_mount(dir);
 	FUSE_ARGS(args);
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(dir, struct fuse_mknod_in,
+			fuse_mknod_initialize, fuse_mknod_backing,
+			fuse_mknod_finalize,
+			dir, entry, mode, rdev);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (!fm->fc->dont_mask)
 		mode &= ~current_umask();
 
@@ -765,6 +981,17 @@
 	struct fuse_mount *fm = get_fuse_mount(dir);
 	FUSE_ARGS(args);
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(dir, struct fuse_mkdir_in,
+			fuse_mkdir_initialize, fuse_mkdir_backing,
+			fuse_mkdir_finalize,
+			dir, entry, mode);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (!fm->fc->dont_mask)
 		mode &= ~current_umask();
 
@@ -787,6 +1014,17 @@
 	unsigned len = strlen(link) + 1;
 	FUSE_ARGS(args);
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(dir, struct fuse_dummy_io,
+			fuse_symlink_initialize, fuse_symlink_backing,
+			fuse_symlink_finalize,
+			dir, entry, link, len);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	args.opcode = FUSE_SYMLINK;
 	args.in_numargs = 2;
 	args.in_args[0].size = entry->d_name.len + 1;
@@ -821,6 +1059,20 @@
 	if (fuse_is_bad(dir))
 		return -EIO;
 
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(dir, struct fuse_dummy_io,
+					fuse_unlink_initialize,
+					fuse_unlink_backing,
+					fuse_unlink_finalize,
+					dir, entry);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+	}
+#endif
+
 	args.opcode = FUSE_UNLINK;
 	args.nodeid = get_node_id(dir);
 	args.in_numargs = 1;
@@ -860,6 +1112,20 @@
 	if (fuse_is_bad(dir))
 		return -EIO;
 
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(dir, struct fuse_dummy_io,
+					fuse_rmdir_initialize,
+					fuse_rmdir_backing,
+					fuse_rmdir_finalize,
+					dir, entry);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+	}
+#endif
+
 	args.opcode = FUSE_RMDIR;
 	args.nodeid = get_node_id(dir);
 	args.in_numargs = 1;
@@ -945,6 +1211,18 @@
 		return -EINVAL;
 
 	if (flags) {
+#ifdef CONFIG_FUSE_BPF
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(olddir, struct fuse_rename2_in,
+						fuse_rename2_initialize, fuse_rename2_backing,
+						fuse_rename2_finalize,
+						olddir, oldent, newdir, newent, flags);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+#endif
+
+		/* TODO: how should this go with bpfs involved? */
 		if (fc->no_rename2 || fc->minor < 23)
 			return -EINVAL;
 
@@ -956,6 +1234,17 @@
 			err = -EINVAL;
 		}
 	} else {
+#ifdef CONFIG_FUSE_BPF
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(olddir, struct fuse_rename_in,
+						fuse_rename_initialize, fuse_rename_backing,
+						fuse_rename_finalize,
+						olddir, oldent, newdir, newent);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+#endif
+
 		err = fuse_rename_common(olddir, oldent, newdir, newent, 0,
 					 FUSE_RENAME,
 					 sizeof(struct fuse_rename_in));
@@ -973,6 +1262,16 @@
 	struct fuse_mount *fm = get_fuse_mount(inode);
 	FUSE_ARGS(args);
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_link_in, fuse_link_initialize,
+			       fuse_link_backing, fuse_link_finalize, entry,
+			       newdir, newent);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	memset(&inarg, 0, sizeof(inarg));
 	inarg.oldnodeid = get_node_id(inode);
 	args.opcode = FUSE_LINK;
@@ -1004,7 +1303,7 @@
 	return err;
 }
 
-static void fuse_fillattr(struct inode *inode, struct fuse_attr *attr,
+void fuse_fillattr(struct inode *inode, struct fuse_attr *attr,
 			  struct kstat *stat)
 {
 	unsigned int blkbits;
@@ -1073,23 +1372,13 @@
 	args.out_args[0].size = sizeof(outarg);
 	args.out_args[0].value = &outarg;
 	err = fuse_simple_request(fm, &args);
-	if (!err) {
-		if (fuse_invalid_attr(&outarg.attr) ||
-		    inode_wrong_type(inode, outarg.attr.mode)) {
-			fuse_make_bad(inode);
-			err = -EIO;
-		} else {
-			fuse_change_attributes(inode, &outarg.attr,
-					       attr_timeout(&outarg),
-					       attr_version);
-			if (stat)
-				fuse_fillattr(inode, &outarg.attr, stat);
-		}
-	}
+	if (!err)
+		err = finalize_attr(inode, &outarg, attr_version, stat);
 	return err;
 }
 
 static int fuse_update_get_attr(struct inode *inode, struct file *file,
+				const struct path *path,
 				struct kstat *stat, u32 request_mask,
 				unsigned int flags)
 {
@@ -1097,6 +1386,17 @@
 	int err = 0;
 	bool sync;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_getattr_io,
+			       fuse_getattr_initialize,	fuse_getattr_backing,
+			       fuse_getattr_finalize,
+			       path->dentry, stat, request_mask, flags);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (flags & AT_STATX_FORCE_SYNC)
 		sync = true;
 	else if (flags & AT_STATX_DONT_SYNC)
@@ -1121,7 +1421,7 @@
 int fuse_update_attributes(struct inode *inode, struct file *file)
 {
 	/* Do *not* need to get atime for internal purposes */
-	return fuse_update_get_attr(inode, file, NULL,
+	return fuse_update_get_attr(inode, file, &file->f_path, NULL,
 				    STATX_BASIC_STATS & ~STATX_ATIME, 0);
 }
 
@@ -1230,6 +1530,16 @@
 	struct fuse_access_in inarg;
 	int err;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_access_in,
+			       fuse_access_initialize, fuse_access_backing,
+			       fuse_access_finalize, inode, mask);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	BUG_ON(mask & MAY_NOT_BLOCK);
 
 	if (fm->fc->no_access)
@@ -1277,6 +1587,10 @@
 	struct fuse_conn *fc = get_fuse_conn(inode);
 	bool refreshed = false;
 	int err = 0;
+	struct fuse_inode *fi = get_fuse_inode(inode);
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+#endif
 
 	if (fuse_is_bad(inode))
 		return -EIO;
@@ -1284,12 +1598,19 @@
 	if (!fuse_allow_current_process(fc))
 		return -EACCES;
 
+#ifdef CONFIG_FUSE_BPF
+	fer = fuse_bpf_backing(inode, struct fuse_access_in,
+			       fuse_access_initialize, fuse_access_backing,
+			       fuse_access_finalize, inode, mask);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	/*
 	 * If attributes are needed, refresh them before proceeding
 	 */
 	if (fc->default_permissions ||
 	    ((mask & MAY_EXEC) && S_ISREG(inode->i_mode))) {
-		struct fuse_inode *fi = get_fuse_inode(inode);
 		u32 perm_mask = STATX_MODE | STATX_UID | STATX_GID;
 
 		if (perm_mask & READ_ONCE(fi->inval_mask) ||
@@ -1379,6 +1700,21 @@
 	if (fuse_is_bad(inode))
 		goto out_err;
 
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+		const char *out = NULL;
+
+		fer = fuse_bpf_backing(inode, struct fuse_dummy_io,
+				       fuse_get_link_initialize,
+				       fuse_get_link_backing,
+				       fuse_get_link_finalize,
+				       inode, dentry, callback, &out);
+		if (fer.ret)
+			return fer.result ?: out;
+	}
+#endif
+
 	if (fc->cache_symlinks)
 		return page_get_link(dentry, inode, callback);
 
@@ -1413,7 +1749,6 @@
 static int fuse_dir_release(struct inode *inode, struct file *file)
 {
 	fuse_release_common(file, true);
-
 	return 0;
 }
 
@@ -1427,6 +1762,19 @@
 	if (fuse_is_bad(inode))
 		return -EIO;
 
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(inode, struct fuse_fsync_in,
+				fuse_dir_fsync_initialize, fuse_fsync_backing,
+				fuse_fsync_finalize,
+				file, start, end, datasync);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+	}
+#endif
+
 	if (fc->no_fsyncdir)
 		return 0;
 
@@ -1465,58 +1813,6 @@
 				 FUSE_IOCTL_COMPAT | FUSE_IOCTL_DIR);
 }
 
-static bool update_mtime(unsigned ivalid, bool trust_local_mtime)
-{
-	/* Always update if mtime is explicitly set  */
-	if (ivalid & ATTR_MTIME_SET)
-		return true;
-
-	/* Or if kernel i_mtime is the official one */
-	if (trust_local_mtime)
-		return true;
-
-	/* If it's an open(O_TRUNC) or an ftruncate(), don't update */
-	if ((ivalid & ATTR_SIZE) && (ivalid & (ATTR_OPEN | ATTR_FILE)))
-		return false;
-
-	/* In all other cases update */
-	return true;
-}
-
-static void iattr_to_fattr(struct fuse_conn *fc, struct iattr *iattr,
-			   struct fuse_setattr_in *arg, bool trust_local_cmtime)
-{
-	unsigned ivalid = iattr->ia_valid;
-
-	if (ivalid & ATTR_MODE)
-		arg->valid |= FATTR_MODE,   arg->mode = iattr->ia_mode;
-	if (ivalid & ATTR_UID)
-		arg->valid |= FATTR_UID,    arg->uid = from_kuid(fc->user_ns, iattr->ia_uid);
-	if (ivalid & ATTR_GID)
-		arg->valid |= FATTR_GID,    arg->gid = from_kgid(fc->user_ns, iattr->ia_gid);
-	if (ivalid & ATTR_SIZE)
-		arg->valid |= FATTR_SIZE,   arg->size = iattr->ia_size;
-	if (ivalid & ATTR_ATIME) {
-		arg->valid |= FATTR_ATIME;
-		arg->atime = iattr->ia_atime.tv_sec;
-		arg->atimensec = iattr->ia_atime.tv_nsec;
-		if (!(ivalid & ATTR_ATIME_SET))
-			arg->valid |= FATTR_ATIME_NOW;
-	}
-	if ((ivalid & ATTR_MTIME) && update_mtime(ivalid, trust_local_cmtime)) {
-		arg->valid |= FATTR_MTIME;
-		arg->mtime = iattr->ia_mtime.tv_sec;
-		arg->mtimensec = iattr->ia_mtime.tv_nsec;
-		if (!(ivalid & ATTR_MTIME_SET) && !trust_local_cmtime)
-			arg->valid |= FATTR_MTIME_NOW;
-	}
-	if ((ivalid & ATTR_CTIME) && trust_local_cmtime) {
-		arg->valid |= FATTR_CTIME;
-		arg->ctime = iattr->ia_ctime.tv_sec;
-		arg->ctimensec = iattr->ia_ctime.tv_nsec;
-	}
-}
-
 /*
  * Prevent concurrent writepages on inode
  *
@@ -1630,6 +1926,16 @@
 	bool trust_local_cmtime = is_wb && S_ISREG(inode->i_mode);
 	bool fault_blocked = false;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_setattr_io,
+			       fuse_setattr_initialize, fuse_setattr_backing,
+			       fuse_setattr_finalize, dentry, attr, file);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (!fc->default_permissions)
 		attr->ia_valid |= ATTR_FORCE;
 
@@ -1793,11 +2099,22 @@
 		 * This should be done on write(), truncate() and chown().
 		 */
 		if (!fc->handle_killpriv) {
+#ifdef CONFIG_FUSE_BPF
+			struct fuse_err_ret fer;
+
 			/*
 			 * ia_mode calculation may have used stale i_mode.
 			 * Refresh and recalculate.
 			 */
-			ret = fuse_do_getattr(inode, NULL, file);
+			fer = fuse_bpf_backing(inode, struct fuse_getattr_io,
+					       fuse_getattr_initialize,	fuse_getattr_backing,
+					       fuse_getattr_finalize,
+					       entry, NULL, 0, 0);
+			if (fer.ret)
+				ret = PTR_ERR(fer.result);
+			else
+#endif
+				ret = fuse_do_getattr(inode, NULL, file);
 			if (ret)
 				return ret;
 
@@ -1853,7 +2170,8 @@
 		return -EACCES;
 	}
 
-	return fuse_update_get_attr(inode, NULL, stat, request_mask, flags);
+	return fuse_update_get_attr(inode, NULL, path, stat, request_mask,
+				    flags);
 }
 
 static const struct inode_operations fuse_dir_inode_operations = {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 13d9754..e0ea28d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -8,6 +8,7 @@
 
 #include "fuse_i.h"
 
+#include <linux/filter.h>
 #include <linux/pagemap.h>
 #include <linux/slab.h>
 #include <linux/kernel.h>
@@ -109,25 +110,39 @@
 	kfree(ra);
 }
 
-static void fuse_file_put(struct fuse_file *ff, bool sync, bool isdir)
+static void fuse_file_put(struct inode *inode, struct fuse_file *ff,
+			  bool sync, bool isdir)
 {
-	if (refcount_dec_and_test(&ff->count)) {
-		struct fuse_args *args = &ff->release_args->args;
+	struct fuse_args *args = &ff->release_args->args;
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+#endif
 
-		if (isdir ? ff->fm->fc->no_opendir : ff->fm->fc->no_open) {
-			/* Do nothing when client does not implement 'open' */
-			fuse_release_end(ff->fm, args, 0);
-		} else if (sync) {
-			fuse_simple_request(ff->fm, args);
-			fuse_release_end(ff->fm, args, 0);
-		} else {
-			args->end = fuse_release_end;
-			if (fuse_simple_background(ff->fm, args,
-						   GFP_KERNEL | __GFP_NOFAIL))
-				fuse_release_end(ff->fm, args, -ENOTCONN);
-		}
-		kfree(ff);
+	if (!refcount_dec_and_test(&ff->count))
+		return;
+
+#ifdef CONFIG_FUSE_BPF
+	fer = fuse_bpf_backing(inode, struct fuse_release_in,
+		       fuse_release_initialize, fuse_release_backing,
+		       fuse_release_finalize,
+		       inode, ff);
+	if (fer.ret) {
+		fuse_release_end(ff->fm, args, 0);
+	} else
+#endif
+	if (isdir ? ff->fm->fc->no_opendir : ff->fm->fc->no_open) {
+		/* Do nothing when client does not implement 'open' */
+		fuse_release_end(ff->fm, args, 0);
+	} else if (sync) {
+		fuse_simple_request(ff->fm, args);
+		fuse_release_end(ff->fm, args, 0);
+	} else {
+		args->end = fuse_release_end;
+		if (fuse_simple_background(ff->fm, args,
+				GFP_KERNEL | __GFP_NOFAIL))
+			fuse_release_end(ff->fm, args, -ENOTCONN);
 	}
+	kfree(ff);
 }
 
 int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file,
@@ -137,7 +152,11 @@
 	struct fuse_file *ff;
 	int opcode = isdir ? FUSE_OPENDIR : FUSE_OPEN;
 
-	ff = fuse_file_alloc(fm);
+	if (file->private_data) {
+		ff = file->private_data;
+		file->private_data = NULL;
+	} else
+		ff = fuse_file_alloc(fm);
 	if (!ff)
 		return -ENOMEM;
 
@@ -152,7 +171,7 @@
 		if (!err) {
 			ff->fh = outarg.fh;
 			ff->open_flags = outarg.open_flags;
-
+			fuse_passthrough_setup(fc, ff, &outarg);
 		} else if (err != -ENOSYS) {
 			fuse_file_free(ff);
 			return err;
@@ -232,6 +251,20 @@
 	if (err)
 		return err;
 
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(inode, struct fuse_open_io,
+				       fuse_open_initialize,
+				       fuse_open_backing,
+				       fuse_open_finalize,
+				       inode, file, isdir);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+	}
+#endif
+
 	if (is_wb_truncate || dax_truncate)
 		inode_lock(inode);
 
@@ -306,6 +339,8 @@
 	struct fuse_release_args *ra = ff->release_args;
 	int opcode = isdir ? FUSE_RELEASEDIR : FUSE_RELEASE;
 
+	fuse_passthrough_release(&ff->passthrough);
+
 	fuse_prepare_release(fi, ff, file->f_flags, opcode);
 
 	if (ff->flock) {
@@ -325,7 +360,7 @@
 	 * synchronous RELEASE is allowed (and desirable) in this case
 	 * because the server can be trusted not to screw up.
 	 */
-	fuse_file_put(ff, ff->fm->fc->destroy, isdir);
+	fuse_file_put(ra->inode, ff, ff->fm->fc->destroy, isdir);
 }
 
 static int fuse_open(struct inode *inode, struct file *file)
@@ -355,7 +390,7 @@
 	 * iput(NULL) is a no-op and since the refcount is 1 and everything's
 	 * synchronous, we are fine with not doing igrab() here"
 	 */
-	fuse_file_put(ff, true, false);
+	fuse_file_put(&fi->inode, ff, true, false);
 }
 EXPORT_SYMBOL_GPL(fuse_sync_release);
 
@@ -474,6 +509,17 @@
 	FUSE_ARGS(args);
 	int err;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(file->f_inode, struct fuse_flush_in,
+			       fuse_flush_initialize, fuse_flush_backing,
+			       fuse_flush_finalize,
+			       file, id);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (fuse_is_bad(inode))
 		return -EIO;
 
@@ -546,6 +592,17 @@
 	struct fuse_conn *fc = get_fuse_conn(inode);
 	int err;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_fsync_in,
+			       fuse_fsync_initialize, fuse_fsync_backing,
+			       fuse_fsync_finalize,
+			       file, start, end, datasync);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (fuse_is_bad(inode))
 		return -EIO;
 
@@ -915,8 +972,11 @@
 		unlock_page(page);
 		put_page(page);
 	}
-	if (ia->ff)
-		fuse_file_put(ia->ff, false, false);
+	if (ia->ff) {
+		WARN_ON(!mapping);
+		fuse_file_put(mapping ? mapping->host : NULL, ia->ff,
+			      false, false);
+	}
 
 	fuse_io_free(ia);
 }
@@ -1590,7 +1650,23 @@
 	if (FUSE_IS_DAX(inode))
 		return fuse_dax_read_iter(iocb, to);
 
-	if (!(ff->open_flags & FOPEN_DIRECT_IO))
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(inode, struct fuse_file_read_iter_io,
+				       fuse_file_read_iter_initialize,
+				       fuse_file_read_iter_backing,
+				       fuse_file_read_iter_finalize,
+				       iocb, to);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+	}
+#endif
+
+	if (ff->passthrough.filp)
+		return fuse_passthrough_read_iter(iocb, to);
+	else if (!(ff->open_flags & FOPEN_DIRECT_IO))
 		return fuse_cache_read_iter(iocb, to);
 	else
 		return fuse_direct_read_iter(iocb, to);
@@ -1608,7 +1684,23 @@
 	if (FUSE_IS_DAX(inode))
 		return fuse_dax_write_iter(iocb, from);
 
-	if (!(ff->open_flags & FOPEN_DIRECT_IO))
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_err_ret fer;
+
+		fer = fuse_bpf_backing(inode, struct fuse_file_write_iter_io,
+				       fuse_file_write_iter_initialize,
+				       fuse_file_write_iter_backing,
+				       fuse_file_write_iter_finalize,
+				       iocb, from);
+		if (fer.ret)
+			return PTR_ERR(fer.result);
+	}
+#endif
+
+	if (ff->passthrough.filp)
+		return fuse_passthrough_write_iter(iocb, from);
+	else if (!(ff->open_flags & FOPEN_DIRECT_IO))
 		return fuse_cache_write_iter(iocb, from);
 	else
 		return fuse_direct_write_iter(iocb, from);
@@ -1623,7 +1715,7 @@
 		__free_page(ap->pages[i]);
 
 	if (wpa->ia.ff)
-		fuse_file_put(wpa->ia.ff, false, false);
+		fuse_file_put(wpa->inode, wpa->ia.ff, false, false);
 
 	kfree(ap->pages);
 	kfree(wpa);
@@ -1855,6 +1947,18 @@
 	struct fuse_file *ff;
 	int err;
 
+	/**
+	 * TODO - fully understand why this is necessary
+	 *
+	 * With fuse-bpf, fsstress fails if rename is enabled without this
+	 *
+	 * We are getting writes here on directory inodes, which do not have an
+	 * initialized file list so crash.
+	 *
+	 * The question is why we are getting those writes
+	 */
+	if (!S_ISREG(inode->i_mode))
+		return 0;
 	/*
 	 * Inode is always written before the last reference is dropped and
 	 * hence this should not be reached from reclaim.
@@ -1869,7 +1973,7 @@
 	ff = __fuse_write_file_get(fc, fi);
 	err = fuse_flush_times(inode, ff);
 	if (ff)
-		fuse_file_put(ff, false, false);
+		fuse_file_put(inode, ff, false, false);
 
 	return err;
 }
@@ -2241,7 +2345,7 @@
 		fuse_writepages_send(&data);
 	}
 	if (data.ff)
-		fuse_file_put(data.ff, false, false);
+		fuse_file_put(inode, data.ff, false, false);
 
 	kfree(data.orig_pages);
 out:
@@ -2392,6 +2496,15 @@
 	if (FUSE_IS_DAX(file_inode(file)))
 		return fuse_dax_mmap(file, vma);
 
+#ifdef CONFIG_FUSE_BPF
+	/* TODO - this is simply passthrough, not a proper BPF filter */
+	if (ff->backing_file)
+		return fuse_backing_mmap(file, vma);
+#endif
+
+	if (ff->passthrough.filp)
+		return fuse_passthrough_mmap(file, vma);
+
 	if (ff->open_flags & FOPEN_DIRECT_IO) {
 		/* Can't provide the coherency needed for MAP_SHARED */
 		if (vma->vm_flags & VM_MAYSHARE)
@@ -2544,12 +2657,18 @@
 {
 	struct inode *inode = file_inode(file);
 	struct fuse_conn *fc = get_fuse_conn(inode);
+	struct fuse_file *ff = file->private_data;
 	int err;
 
+#ifdef CONFIG_FUSE_BPF
+	/* TODO - this is simply passthrough, not a proper BPF filter */
+	if (ff->backing_file)
+		return fuse_file_flock_backing(file, cmd, fl);
+#endif
+
 	if (fc->no_flock) {
 		err = locks_lock_file_wait(file, fl);
 	} else {
-		struct fuse_file *ff = file->private_data;
 
 		/* emulate flock with POSIX locks */
 		ff->flock = true;
@@ -2637,6 +2756,17 @@
 {
 	loff_t retval;
 	struct inode *inode = file_inode(file);
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_lseek_io,
+			       fuse_lseek_initialize,
+			       fuse_lseek_backing,
+			       fuse_lseek_finalize,
+			       file, offset, whence);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
 
 	switch (whence) {
 	case SEEK_SET:
@@ -3006,6 +3136,15 @@
 	if (fuse_is_bad(inode))
 		return -EIO;
 
+#ifdef CONFIG_FUSE_BPF
+	{
+		struct fuse_file *ff = file->private_data;
+
+		/* TODO - this is simply passthrough, not a proper BPF filter */
+		if (ff->backing_file)
+			return fuse_backing_ioctl(file, cmd, arg, flags);
+	}
+#endif
 	return fuse_do_ioctl(file, cmd, arg, flags);
 }
 
@@ -3284,6 +3423,18 @@
 		(!(mode & FALLOC_FL_KEEP_SIZE) ||
 		 (mode & FALLOC_FL_PUNCH_HOLE));
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_fallocate_in,
+			       fuse_file_fallocate_initialize,
+			       fuse_file_fallocate_backing,
+			       fuse_file_fallocate_finalize,
+			       file, mode, offset, length);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
 		return -EOPNOTSUPP;
 
@@ -3388,6 +3539,18 @@
 	bool is_unstable = (!fc->writeback_cache) &&
 			   ((pos_out + len) > inode_out->i_size);
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(file_in->f_inode, struct fuse_copy_file_range_io,
+			       fuse_copy_file_range_initialize,
+			       fuse_copy_file_range_backing,
+			       fuse_copy_file_range_finalize,
+			       file_in, pos_in, file_out, pos_out, len, flags);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (fc->no_copy_file_range)
 		return -EOPNOTSUPP;
 
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index ceaa6868..3d3c3a7 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -13,6 +13,8 @@
 # define pr_fmt(fmt) "fuse: " fmt
 #endif
 
+#include <linux/filter.h>
+#include <linux/pagemap.h>
 #include <linux/fuse.h>
 #include <linux/fs.h>
 #include <linux/mount.h>
@@ -31,6 +33,9 @@
 #include <linux/pid_namespace.h>
 #include <linux/refcount.h>
 #include <linux/user_namespace.h>
+#include <linux/statfs.h>
+
+#define FUSE_SUPER_MAGIC 0x65735546
 
 /** Default max number of pages that can be used in a single read request */
 #define FUSE_DEFAULT_MAX_PAGES_PER_REQ 32
@@ -63,11 +68,63 @@
 	struct fuse_forget_link *next;
 };
 
+/** FUSE specific dentry data */
+#if BITS_PER_LONG < 64 || defined(CONFIG_FUSE_BPF)
+struct fuse_dentry {
+	union {
+		u64 time;
+		struct rcu_head rcu;
+	};
+
+#ifdef CONFIG_FUSE_BPF
+	struct path backing_path;
+
+	/* bpf program *only* set for negative dentries */
+	struct bpf_prog *bpf;
+#endif
+};
+
+static inline struct fuse_dentry *get_fuse_dentry(const struct dentry *entry)
+{
+	return entry->d_fsdata;
+}
+#endif
+
+#ifdef CONFIG_FUSE_BPF
+static inline void get_fuse_backing_path(const struct dentry *d,
+					  struct path *path)
+{
+	struct fuse_dentry *di = get_fuse_dentry(d);
+
+	if (!di) {
+		*path = (struct path) {};
+		return;
+	}
+
+	*path = di->backing_path;
+	path_get(path);
+}
+#endif
+
 /** FUSE inode */
 struct fuse_inode {
 	/** Inode data */
 	struct inode inode;
 
+#ifdef CONFIG_FUSE_BPF
+	/**
+	 * Backing inode, if this inode is from a backing file system.
+	 * If this is set, nodeid is 0.
+	 */
+	struct inode *backing_inode;
+
+	/**
+	 * bpf_prog, run on all operations to determine whether to pass through
+	 * or handle in place
+	 */
+	struct bpf_prog *bpf;
+#endif
+
 	/** Unique ID, which identifies the inode between userspace
 	 * and kernel */
 	u64 nodeid;
@@ -180,6 +237,17 @@
 struct fuse_mount;
 struct fuse_release_args;
 
+/**
+ * Reference to lower filesystem file for read/write operations handled in
+ * passthrough mode.
+ * This struct also tracks the credentials to be used for handling read/write
+ * operations.
+ */
+struct fuse_passthrough {
+	struct file *filp;
+	struct cred *cred;
+};
+
 /** FUSE specific file data */
 struct fuse_file {
 	/** Fuse connection for this file */
@@ -225,6 +293,17 @@
 
 	} readdir;
 
+	/** Container for data related to the passthrough functionality */
+	struct fuse_passthrough passthrough;
+
+#ifdef CONFIG_FUSE_BPF
+	/**
+	 * TODO: Reconcile with passthrough file
+	 * backing file when in bpf mode
+	 */
+	struct file *backing_file;
+#endif
+
 	/** RB node to be linked on fuse_conn->polled_files */
 	struct rb_node polled_node;
 
@@ -256,6 +335,7 @@
 struct fuse_args {
 	uint64_t nodeid;
 	uint32_t opcode;
+	uint32_t error_in;
 	unsigned short in_numargs;
 	unsigned short out_numargs;
 	bool force:1;
@@ -268,9 +348,12 @@
 	bool page_zeroing:1;
 	bool page_replace:1;
 	bool may_block:1;
-	struct fuse_in_arg in_args[3];
-	struct fuse_arg out_args[2];
+	struct fuse_in_arg in_args[FUSE_MAX_IN_ARGS];
+	struct fuse_arg out_args[FUSE_MAX_OUT_ARGS];
 	void (*end)(struct fuse_mount *fm, struct fuse_args *args, int error);
+
+	/* Path used for completing d_canonical_path */
+	struct path *canonical_path;
 };
 
 struct fuse_args_pages {
@@ -374,10 +457,8 @@
 	/** Used to wake up the task waiting for completion of request*/
 	wait_queue_head_t waitq;
 
-#if IS_ENABLED(CONFIG_VIRTIO_FS)
 	/** virtio-fs's physically contiguous buffer for in and out args */
 	void *argbuf;
-#endif
 
 	/** fuse_mount this request belongs to */
 	struct fuse_mount *fm;
@@ -397,19 +478,19 @@
 	/**
 	 * Signal that a forget has been queued
 	 */
-	void (*wake_forget_and_unlock)(struct fuse_iqueue *fiq)
+	void (*wake_forget_and_unlock)(struct fuse_iqueue *fiq, bool sync)
 		__releases(fiq->lock);
 
 	/**
 	 * Signal that an INTERRUPT request has been queued
 	 */
-	void (*wake_interrupt_and_unlock)(struct fuse_iqueue *fiq)
+	void (*wake_interrupt_and_unlock)(struct fuse_iqueue *fiq, bool sync)
 		__releases(fiq->lock);
 
 	/**
 	 * Signal that a request has been queued
 	 */
-	void (*wake_pending_and_unlock)(struct fuse_iqueue *fiq)
+	void (*wake_pending_and_unlock)(struct fuse_iqueue *fiq, bool sync)
 		__releases(fiq->lock);
 
 	/**
@@ -505,9 +586,12 @@
 	bool no_force_umount:1;
 	bool legacy_opts_show:1;
 	bool dax:1;
+	bool no_daemon:1;
 	unsigned int max_read;
 	unsigned int blksize;
 	const char *subtype;
+	struct bpf_prog *root_bpf;
+	struct file *root_dir;
 
 	/* DAX device, may be NULL */
 	struct dax_device *dax_dev;
@@ -751,6 +835,12 @@
 	/* Auto-mount submounts announced by the server */
 	unsigned int auto_submounts:1;
 
+	/** Passthrough mode for read/write IO */
+	unsigned int passthrough:1;
+
+	/** BPF Only, no Daemon running */
+	unsigned int no_daemon:1;
+
 	/** The number of requests waiting for completion */
 	atomic_t num_waiting;
 
@@ -794,6 +884,12 @@
 
 	/** List of filesystems using this connection */
 	struct list_head mounts;
+
+	/** IDR for passthrough requests */
+	struct idr passthrough_req;
+
+	/** Protects passthrough_req */
+	spinlock_t passthrough_req_lock;
 };
 
 /*
@@ -889,14 +985,18 @@
 extern const struct dentry_operations fuse_root_dentry_operations;
 
 /**
- * Get a filled in inode
+ * Get a filled-in inode
  */
+struct inode *fuse_iget_backing(struct super_block *sb,
+				u64 nodeid,
+				struct inode *backing_inode);
 struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
 			int generation, struct fuse_attr *attr,
 			u64 attr_valid, u64 attr_version);
 
 int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name,
-		     struct fuse_entry_out *outarg, struct inode **inode);
+		     struct fuse_entry_out *outarg,
+		     struct dentry *entry, struct inode **inode);
 
 /**
  * Send FORGET command
@@ -933,7 +1033,6 @@
 void fuse_read_args_fill(struct fuse_io_args *ia, struct file *file, loff_t pos,
 			 size_t count, int opcode);
 
-
 /**
  * Send OPEN or OPENDIR request
  */
@@ -1002,7 +1101,7 @@
 void fuse_dev_cleanup(void);
 
 int fuse_ctl_init(void);
-void __exit fuse_ctl_cleanup(void);
+void fuse_ctl_cleanup(void);
 
 /**
  * Simple request sending that does request allocation and freeing
@@ -1030,6 +1129,7 @@
 void fuse_invalidate_atime(struct inode *inode);
 
 u64 entry_attr_timeout(struct fuse_entry_out *o);
+void fuse_init_dentry_root(struct dentry *root, struct file *backing_dir);
 void fuse_change_entry_timeout(struct dentry *entry, struct fuse_entry_out *o);
 
 /**
@@ -1236,4 +1336,658 @@
 bool fuse_dax_check_alignment(struct fuse_conn *fc, unsigned int map_alignment);
 void fuse_dax_cancel_work(struct fuse_conn *fc);
 
+/* passthrough.c */
+void fuse_copyattr(struct file *dst_file, struct file *src_file);
+int fuse_passthrough_open(struct fuse_dev *fud, u32 lower_fd);
+int fuse_passthrough_setup(struct fuse_conn *fc, struct fuse_file *ff,
+			   struct fuse_open_out *openarg);
+void fuse_passthrough_release(struct fuse_passthrough *passthrough);
+ssize_t fuse_passthrough_read_iter(struct kiocb *iocb, struct iov_iter *to);
+ssize_t fuse_passthrough_write_iter(struct kiocb *iocb, struct iov_iter *from);
+ssize_t fuse_passthrough_mmap(struct file *file, struct vm_area_struct *vma);
+
+/* backing.c */
+
+struct bpf_prog *fuse_get_bpf_prog(struct file *file);
+
+/*
+ * Dummy io passed to fuse_bpf_backing when io operation needs no scratch space
+ */
+struct fuse_dummy_io {
+	int unused;
+};
+
+struct fuse_open_io {
+	struct fuse_open_in foi;
+	struct fuse_open_out foo;
+};
+
+int fuse_open_initialize(struct fuse_bpf_args *fa, struct fuse_open_io *foi,
+			 struct inode *inode, struct file *file, bool isdir);
+int fuse_open_backing(struct fuse_bpf_args *fa,
+		      struct inode *inode, struct file *file, bool isdir);
+void *fuse_open_finalize(struct fuse_bpf_args *fa,
+		       struct inode *inode, struct file *file, bool isdir);
+
+struct fuse_create_open_io {
+	struct fuse_create_in fci;
+	struct fuse_entry_out feo;
+	struct fuse_open_out foo;
+};
+
+int fuse_create_open_initialize(
+		struct fuse_bpf_args *fa, struct fuse_create_open_io *fcoi,
+		struct inode *dir, struct dentry *entry,
+		struct file *file, unsigned int flags, umode_t mode);
+int fuse_create_open_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry,
+		struct file *file, unsigned int flags, umode_t mode);
+void *fuse_create_open_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry,
+		struct file *file, unsigned int flags, umode_t mode);
+
+int fuse_mknod_initialize(
+		struct fuse_bpf_args *fa, struct fuse_mknod_in *fmi,
+		struct inode *dir, struct dentry *entry, umode_t mode, dev_t rdev);
+int fuse_mknod_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, umode_t mode, dev_t rdev);
+void *fuse_mknod_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, umode_t mode, dev_t rdev);
+
+int fuse_mkdir_initialize(
+		struct fuse_bpf_args *fa, struct fuse_mkdir_in *fmi,
+		struct inode *dir, struct dentry *entry, umode_t mode);
+int fuse_mkdir_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, umode_t mode);
+void *fuse_mkdir_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, umode_t mode);
+
+int fuse_rmdir_initialize(
+		struct fuse_bpf_args *fa, struct fuse_dummy_io *fmi,
+		struct inode *dir, struct dentry *entry);
+int fuse_rmdir_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry);
+void *fuse_rmdir_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry);
+
+int fuse_rename2_initialize(struct fuse_bpf_args *fa, struct fuse_rename2_in *fri,
+			    struct inode *olddir, struct dentry *oldent,
+			    struct inode *newdir, struct dentry *newent,
+			    unsigned int flags);
+int fuse_rename2_backing(struct fuse_bpf_args *fa,
+			 struct inode *olddir, struct dentry *oldent,
+			 struct inode *newdir, struct dentry *newent,
+			 unsigned int flags);
+void *fuse_rename2_finalize(struct fuse_bpf_args *fa,
+			    struct inode *olddir, struct dentry *oldent,
+			    struct inode *newdir, struct dentry *newent,
+			    unsigned int flags);
+
+int fuse_rename_initialize(struct fuse_bpf_args *fa, struct fuse_rename_in *fri,
+			   struct inode *olddir, struct dentry *oldent,
+			   struct inode *newdir, struct dentry *newent);
+int fuse_rename_backing(struct fuse_bpf_args *fa,
+			struct inode *olddir, struct dentry *oldent,
+			struct inode *newdir, struct dentry *newent);
+void *fuse_rename_finalize(struct fuse_bpf_args *fa,
+			   struct inode *olddir, struct dentry *oldent,
+			   struct inode *newdir, struct dentry *newent);
+
+int fuse_unlink_initialize(
+		struct fuse_bpf_args *fa, struct fuse_dummy_io *fmi,
+		struct inode *dir, struct dentry *entry);
+int fuse_unlink_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry);
+void *fuse_unlink_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry);
+
+int fuse_link_initialize(struct fuse_bpf_args *fa, struct fuse_link_in *fli,
+			  struct dentry *entry, struct inode *dir,
+			  struct dentry *newent);
+int fuse_link_backing(struct fuse_bpf_args *fa, struct dentry *entry,
+		      struct inode *dir, struct dentry *newent);
+void *fuse_link_finalize(struct fuse_bpf_args *fa, struct dentry *entry,
+			 struct inode *dir, struct dentry *newent);
+
+int fuse_release_initialize(struct fuse_bpf_args *fa, struct fuse_release_in *fri,
+			    struct inode *inode, struct fuse_file *ff);
+int fuse_release_backing(struct fuse_bpf_args *fa,
+			 struct inode *inode, struct fuse_file *ff);
+void *fuse_release_finalize(struct fuse_bpf_args *fa,
+			    struct inode *inode, struct fuse_file *ff);
+
+int fuse_flush_initialize(struct fuse_bpf_args *fa, struct fuse_flush_in *ffi,
+			  struct file *file, fl_owner_t id);
+int fuse_flush_backing(struct fuse_bpf_args *fa, struct file *file, fl_owner_t id);
+void *fuse_flush_finalize(struct fuse_bpf_args *fa,
+			  struct file *file, fl_owner_t id);
+
+struct fuse_lseek_io {
+	struct fuse_lseek_in fli;
+	struct fuse_lseek_out flo;
+};
+
+int fuse_lseek_initialize(struct fuse_bpf_args *fa, struct fuse_lseek_io *fli,
+			  struct file *file, loff_t offset, int whence);
+int fuse_lseek_backing(struct fuse_bpf_args *fa, struct file *file, loff_t offset, int whence);
+void *fuse_lseek_finalize(struct fuse_bpf_args *fa, struct file *file, loff_t offset, int whence);
+
+struct fuse_copy_file_range_io {
+	struct fuse_copy_file_range_in fci;
+	struct fuse_write_out fwo;
+};
+
+int fuse_copy_file_range_initialize(struct fuse_bpf_args *fa,
+				   struct fuse_copy_file_range_io *fcf,
+				   struct file *file_in, loff_t pos_in,
+				   struct file *file_out, loff_t pos_out,
+				   size_t len, unsigned int flags);
+int fuse_copy_file_range_backing(struct fuse_bpf_args *fa,
+				 struct file *file_in, loff_t pos_in,
+				 struct file *file_out, loff_t pos_out,
+				 size_t len, unsigned int flags);
+void *fuse_copy_file_range_finalize(struct fuse_bpf_args *fa,
+				    struct file *file_in, loff_t pos_in,
+				    struct file *file_out, loff_t pos_out,
+				    size_t len, unsigned int flags);
+
+int fuse_fsync_initialize(struct fuse_bpf_args *fa, struct fuse_fsync_in *ffi,
+		   struct file *file, loff_t start, loff_t end, int datasync);
+int fuse_fsync_backing(struct fuse_bpf_args *fa,
+		   struct file *file, loff_t start, loff_t end, int datasync);
+void *fuse_fsync_finalize(struct fuse_bpf_args *fa,
+		   struct file *file, loff_t start, loff_t end, int datasync);
+int fuse_dir_fsync_initialize(struct fuse_bpf_args *fa, struct fuse_fsync_in *ffi,
+		   struct file *file, loff_t start, loff_t end, int datasync);
+
+struct fuse_getxattr_io {
+	struct fuse_getxattr_in fgi;
+	struct fuse_getxattr_out fgo;
+};
+
+int fuse_getxattr_initialize(
+		struct fuse_bpf_args *fa, struct fuse_getxattr_io *fgio,
+		struct dentry *dentry, const char *name, void *value,
+		size_t size);
+int fuse_getxattr_backing(
+		struct fuse_bpf_args *fa,
+		struct dentry *dentry, const char *name, void *value,
+		size_t size);
+void *fuse_getxattr_finalize(
+		struct fuse_bpf_args *fa,
+		struct dentry *dentry, const char *name, void *value,
+		size_t size);
+
+int fuse_listxattr_initialize(struct fuse_bpf_args *fa,
+			       struct fuse_getxattr_io *fgio,
+			       struct dentry *dentry, char *list, size_t size);
+int fuse_listxattr_backing(struct fuse_bpf_args *fa, struct dentry *dentry,
+			   char *list, size_t size);
+void *fuse_listxattr_finalize(struct fuse_bpf_args *fa, struct dentry *dentry,
+			      char *list, size_t size);
+
+int fuse_setxattr_initialize(struct fuse_bpf_args *fa,
+			     struct fuse_setxattr_in *fsxi,
+			     struct dentry *dentry, const char *name,
+			     const void *value, size_t size, int flags);
+int fuse_setxattr_backing(struct fuse_bpf_args *fa, struct dentry *dentry,
+			  const char *name, const void *value, size_t size,
+			  int flags);
+void *fuse_setxattr_finalize(struct fuse_bpf_args *fa, struct dentry *dentry,
+			     const char *name, const void *value, size_t size,
+			     int flags);
+
+int fuse_removexattr_initialize(struct fuse_bpf_args *fa,
+				struct fuse_dummy_io *unused,
+				struct dentry *dentry, const char *name);
+int fuse_removexattr_backing(struct fuse_bpf_args *fa,
+			     struct dentry *dentry, const char *name);
+void *fuse_removexattr_finalize(struct fuse_bpf_args *fa,
+				struct dentry *dentry, const char *name);
+
+struct fuse_read_iter_out {
+	uint64_t ret;
+};
+struct fuse_file_read_iter_io {
+	struct fuse_read_in fri;
+	struct fuse_read_iter_out frio;
+};
+
+int fuse_file_read_iter_initialize(
+		struct fuse_bpf_args *fa, struct fuse_file_read_iter_io *fri,
+		struct kiocb *iocb, struct iov_iter *to);
+int fuse_file_read_iter_backing(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *to);
+void *fuse_file_read_iter_finalize(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *to);
+
+struct fuse_write_iter_out {
+	uint64_t ret;
+};
+struct fuse_file_write_iter_io {
+	struct fuse_write_in fwi;
+	struct fuse_write_out fwo;
+	struct fuse_write_iter_out fwio;
+};
+
+int fuse_file_write_iter_initialize(
+		struct fuse_bpf_args *fa, struct fuse_file_write_iter_io *fwio,
+		struct kiocb *iocb, struct iov_iter *from);
+int fuse_file_write_iter_backing(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *from);
+void *fuse_file_write_iter_finalize(struct fuse_bpf_args *fa,
+		struct kiocb *iocb, struct iov_iter *from);
+
+long fuse_backing_ioctl(struct file *file, unsigned int command, unsigned long arg, int flags);
+
+int fuse_file_flock_backing(struct file *file, int cmd, struct file_lock *fl);
+ssize_t fuse_backing_mmap(struct file *file, struct vm_area_struct *vma);
+
+int fuse_file_fallocate_initialize(struct fuse_bpf_args *fa,
+		struct fuse_fallocate_in *ffi,
+		struct file *file, int mode, loff_t offset, loff_t length);
+int fuse_file_fallocate_backing(struct fuse_bpf_args *fa,
+		struct file *file, int mode, loff_t offset, loff_t length);
+void *fuse_file_fallocate_finalize(struct fuse_bpf_args *fa,
+		struct file *file, int mode, loff_t offset, loff_t length);
+
+struct fuse_lookup_io {
+	struct fuse_entry_out feo;
+	struct fuse_entry_bpf feb;
+};
+
+int fuse_handle_backing(struct fuse_entry_bpf *feb, struct inode **backing_inode,
+			struct path *backing_path);
+int fuse_handle_bpf_prog(struct fuse_entry_bpf *feb, struct inode *parent,
+			 struct bpf_prog **bpf);
+
+int fuse_lookup_initialize(struct fuse_bpf_args *fa, struct fuse_lookup_io *feo,
+	       struct inode *dir, struct dentry *entry, unsigned int flags);
+int fuse_lookup_backing(struct fuse_bpf_args *fa, struct inode *dir,
+			  struct dentry *entry, unsigned int flags);
+struct dentry *fuse_lookup_finalize(struct fuse_bpf_args *fa, struct inode *dir,
+			   struct dentry *entry, unsigned int flags);
+int fuse_revalidate_backing(struct dentry *entry, unsigned int flags);
+
+int fuse_canonical_path_initialize(struct fuse_bpf_args *fa,
+				   struct fuse_dummy_io *fdi,
+				   const struct path *path,
+				   struct path *canonical_path);
+int fuse_canonical_path_backing(struct fuse_bpf_args *fa, const struct path *path,
+				struct path *canonical_path);
+void *fuse_canonical_path_finalize(struct fuse_bpf_args *fa,
+				   const struct path *path,
+				   struct path *canonical_path);
+
+struct fuse_getattr_io {
+	struct fuse_getattr_in fgi;
+	struct fuse_attr_out fao;
+};
+int fuse_getattr_initialize(struct fuse_bpf_args *fa, struct fuse_getattr_io *fgio,
+			const struct dentry *entry, struct kstat *stat,
+			u32 request_mask, unsigned int flags);
+int fuse_getattr_backing(struct fuse_bpf_args *fa,
+			const struct dentry *entry, struct kstat *stat,
+			u32 request_mask, unsigned int flags);
+void *fuse_getattr_finalize(struct fuse_bpf_args *fa,
+			const struct dentry *entry, struct kstat *stat,
+			u32 request_mask, unsigned int flags);
+
+struct fuse_setattr_io {
+	struct fuse_setattr_in fsi;
+	struct fuse_attr_out fao;
+};
+
+int fuse_setattr_initialize(struct fuse_bpf_args *fa, struct fuse_setattr_io *fsi,
+		struct dentry *dentry, struct iattr *attr, struct file *file);
+int fuse_setattr_backing(struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct iattr *attr, struct file *file);
+void *fuse_setattr_finalize(struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct iattr *attr, struct file *file);
+
+int fuse_statfs_initialize(struct fuse_bpf_args *fa, struct fuse_statfs_out *fso,
+		struct dentry *dentry, struct kstatfs *buf);
+int fuse_statfs_backing(struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct kstatfs *buf);
+void *fuse_statfs_finalize(struct fuse_bpf_args *fa,
+		struct dentry *dentry, struct kstatfs *buf);
+
+int fuse_get_link_initialize(struct fuse_bpf_args *fa, struct fuse_dummy_io *dummy,
+		struct inode *inode, struct dentry *dentry,
+		struct delayed_call *callback, const char **out);
+int fuse_get_link_backing(struct fuse_bpf_args *fa,
+		struct inode *inode, struct dentry *dentry,
+		struct delayed_call *callback, const char **out);
+void *fuse_get_link_finalize(struct fuse_bpf_args *fa,
+		struct inode *inode, struct dentry *dentry,
+		struct delayed_call *callback, const char **out);
+
+int fuse_symlink_initialize(
+		struct fuse_bpf_args *fa, struct fuse_dummy_io *unused,
+		struct inode *dir, struct dentry *entry, const char *link, int len);
+int fuse_symlink_backing(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, const char *link, int len);
+void *fuse_symlink_finalize(
+		struct fuse_bpf_args *fa,
+		struct inode *dir, struct dentry *entry, const char *link, int len);
+
+struct fuse_read_io {
+	struct fuse_read_in fri;
+	struct fuse_read_out fro;
+};
+
+int fuse_readdir_initialize(struct fuse_bpf_args *fa, struct fuse_read_io *frio,
+			    struct file *file, struct dir_context *ctx,
+			    bool *force_again, bool *allow_force, bool is_continued);
+int fuse_readdir_backing(struct fuse_bpf_args *fa,
+			 struct file *file, struct dir_context *ctx,
+			 bool *force_again, bool *allow_force, bool is_continued);
+void *fuse_readdir_finalize(struct fuse_bpf_args *fa,
+			    struct file *file, struct dir_context *ctx,
+			    bool *force_again, bool *allow_force, bool is_continued);
+
+int fuse_access_initialize(struct fuse_bpf_args *fa, struct fuse_access_in *fai,
+			   struct inode *inode, int mask);
+int fuse_access_backing(struct fuse_bpf_args *fa, struct inode *inode, int mask);
+void *fuse_access_finalize(struct fuse_bpf_args *fa, struct inode *inode, int mask);
+
+/*
+ * FUSE caches dentries and attributes with separate timeout.  The
+ * time in jiffies until the dentry/attributes are valid is stored in
+ * dentry->d_fsdata and fuse_inode->i_time respectively.
+ */
+
+/*
+ * Calculate the time in jiffies until a dentry/attributes are valid
+ */
+static inline u64 time_to_jiffies(u64 sec, u32 nsec)
+{
+	if (sec || nsec) {
+		struct timespec64 ts = {
+			sec,
+			min_t(u32, nsec, NSEC_PER_SEC - 1)
+		};
+
+		return get_jiffies_64() + timespec64_to_jiffies(&ts);
+	} else
+		return 0;
+}
+
+static inline u64 attr_timeout(struct fuse_attr_out *o)
+{
+	return time_to_jiffies(o->attr_valid, o->attr_valid_nsec);
+}
+
+static inline bool update_mtime(unsigned ivalid, bool trust_local_mtime)
+{
+	/* Always update if mtime is explicitly set  */
+	if (ivalid & ATTR_MTIME_SET)
+		return true;
+
+	/* Or if kernel i_mtime is the official one */
+	if (trust_local_mtime)
+		return true;
+
+	/* If it's an open(O_TRUNC) or an ftruncate(), don't update */
+	if ((ivalid & ATTR_SIZE) && (ivalid & (ATTR_OPEN | ATTR_FILE)))
+		return false;
+
+	/* In all other cases update */
+	return true;
+}
+
+void fuse_fillattr(struct inode *inode, struct fuse_attr *attr,
+			  struct kstat *stat);
+
+static inline void iattr_to_fattr(struct fuse_conn *fc, struct iattr *iattr,
+			   struct fuse_setattr_in *arg, bool trust_local_cmtime)
+{
+	unsigned ivalid = iattr->ia_valid;
+
+	if (ivalid & ATTR_MODE)
+		arg->valid |= FATTR_MODE,   arg->mode = iattr->ia_mode;
+	if (ivalid & ATTR_UID)
+		arg->valid |= FATTR_UID,    arg->uid = from_kuid(fc->user_ns, iattr->ia_uid);
+	if (ivalid & ATTR_GID)
+		arg->valid |= FATTR_GID,    arg->gid = from_kgid(fc->user_ns, iattr->ia_gid);
+	if (ivalid & ATTR_SIZE)
+		arg->valid |= FATTR_SIZE,   arg->size = iattr->ia_size;
+	if (ivalid & ATTR_ATIME) {
+		arg->valid |= FATTR_ATIME;
+		arg->atime = iattr->ia_atime.tv_sec;
+		arg->atimensec = iattr->ia_atime.tv_nsec;
+		if (!(ivalid & ATTR_ATIME_SET))
+			arg->valid |= FATTR_ATIME_NOW;
+	}
+	if ((ivalid & ATTR_MTIME) && update_mtime(ivalid, trust_local_cmtime)) {
+		arg->valid |= FATTR_MTIME;
+		arg->mtime = iattr->ia_mtime.tv_sec;
+		arg->mtimensec = iattr->ia_mtime.tv_nsec;
+		if (!(ivalid & ATTR_MTIME_SET) && !trust_local_cmtime)
+			arg->valid |= FATTR_MTIME_NOW;
+	}
+	if ((ivalid & ATTR_CTIME) && trust_local_cmtime) {
+		arg->valid |= FATTR_CTIME;
+		arg->ctime = iattr->ia_ctime.tv_sec;
+		arg->ctimensec = iattr->ia_ctime.tv_nsec;
+	}
+}
+
+static inline int finalize_attr(struct inode *inode, struct fuse_attr_out *outarg,
+				u64 attr_version, struct kstat *stat)
+{
+	int err = 0;
+
+	if (fuse_invalid_attr(&outarg->attr) ||
+	    ((inode->i_mode ^ outarg->attr.mode) & S_IFMT)) {
+		fuse_make_bad(inode);
+		err = -EIO;
+	} else {
+		fuse_change_attributes(inode, &outarg->attr,
+				       attr_timeout(outarg),
+				       attr_version);
+		if (stat)
+			fuse_fillattr(inode, &outarg->attr, stat);
+	}
+	return err;
+}
+
+static inline void convert_statfs_to_fuse(struct fuse_kstatfs *attr, struct kstatfs *stbuf)
+{
+	attr->bsize   = stbuf->f_bsize;
+	attr->frsize  = stbuf->f_frsize;
+	attr->blocks  = stbuf->f_blocks;
+	attr->bfree   = stbuf->f_bfree;
+	attr->bavail  = stbuf->f_bavail;
+	attr->files   = stbuf->f_files;
+	attr->ffree   = stbuf->f_ffree;
+	attr->namelen = stbuf->f_namelen;
+	/* fsid is left zero */
+}
+
+static inline void convert_fuse_statfs(struct kstatfs *stbuf, struct fuse_kstatfs *attr)
+{
+	stbuf->f_type    = FUSE_SUPER_MAGIC;
+	stbuf->f_bsize   = attr->bsize;
+	stbuf->f_frsize  = attr->frsize;
+	stbuf->f_blocks  = attr->blocks;
+	stbuf->f_bfree   = attr->bfree;
+	stbuf->f_bavail  = attr->bavail;
+	stbuf->f_files   = attr->files;
+	stbuf->f_ffree   = attr->ffree;
+	stbuf->f_namelen = attr->namelen;
+	/* fsid is left zero */
+}
+
+#ifdef CONFIG_FUSE_BPF
+struct fuse_err_ret {
+	void *result;
+	bool ret;
+};
+
+int __init fuse_bpf_init(void);
+void __exit fuse_bpf_cleanup(void);
+
+ssize_t fuse_bpf_simple_request(struct fuse_mount *fm, struct fuse_bpf_args *args);
+
+static inline int fuse_bpf_run(struct bpf_prog *prog, struct fuse_bpf_args *fba)
+{
+	int ret;
+
+	migrate_disable();
+	ret = BPF_PROG_RUN(prog, fba);
+	migrate_enable();
+	return ret;
+}
+
+/*
+ * expression statement to wrap the backing filter logic
+ * struct inode *inode: inode with bpf and backing inode
+ * typedef io: (typically complex) type whose components fuse_args can point to.
+ *	An instance of this type is created locally and passed to initialize
+ * void initialize(struct fuse_bpf_args *fa, io *in_out, args...): function that sets
+ *	up fa and io based on args
+ * int backing(struct fuse_bpf_args *fa, args...): function that actually performs
+ *	the backing io operation
+ * void *finalize(struct fuse_bpf_args *, args...): function that performs any final
+ *	work needed to commit the backing io
+ */
+#define fuse_bpf_backing(inode, io, initialize, backing, finalize,	\
+			 args...)					\
+({									\
+	struct fuse_err_ret fer = {0};					\
+	int ext_flags;							\
+	struct fuse_inode *fuse_inode = get_fuse_inode(inode);		\
+	struct fuse_mount *fm = get_fuse_mount(inode);			\
+	io feo = {0};							\
+	struct fuse_bpf_args fa = {0}, fa_backup = {0};			\
+	bool locked;							\
+	ssize_t res;							\
+	void *err;							\
+	int i;								\
+	bool initialized = false;					\
+									\
+	do {								\
+		if (!fuse_inode || !fuse_inode->backing_inode)		\
+			break;						\
+									\
+		err = ERR_PTR(initialize(&fa, &feo, args));		\
+		if (err) {						\
+			fer = (struct fuse_err_ret) {			\
+				err,					\
+				true,					\
+			};						\
+			break;						\
+		}							\
+		initialized = true;					\
+									\
+		fa_backup = fa;						\
+		fa.opcode |= FUSE_PREFILTER;				\
+		for (i = 0; i < fa.in_numargs; ++i)			\
+			fa.out_args[i] = (struct fuse_bpf_arg) {	\
+				.size = fa.in_args[i].size,		\
+				.value = (void *)fa.in_args[i].value,	\
+			};						\
+		fa.out_numargs = fa.in_numargs;				\
+									\
+		ext_flags = fuse_inode->bpf ?				\
+			fuse_bpf_run(fuse_inode->bpf, &fa) :		\
+			FUSE_BPF_BACKING;				\
+		if (ext_flags < 0) {					\
+			fer = (struct fuse_err_ret) {			\
+				ERR_PTR(ext_flags),			\
+				true,					\
+			};						\
+			break;						\
+		}							\
+									\
+		if (ext_flags & FUSE_BPF_USER_FILTER) {			\
+			locked = fuse_lock_inode(inode);		\
+			res = fuse_bpf_simple_request(fm, &fa);		\
+			fuse_unlock_inode(inode, locked);		\
+			if (res < 0) {					\
+				fer = (struct fuse_err_ret) {		\
+					ERR_PTR(res),			\
+					true,				\
+				};					\
+				break;					\
+			}						\
+		}							\
+									\
+		if (!(ext_flags & FUSE_BPF_BACKING))			\
+			break;						\
+									\
+		fa.opcode &= ~FUSE_PREFILTER;				\
+		for (i = 0; i < fa.in_numargs; ++i)			\
+			fa.in_args[i] = (struct fuse_bpf_in_arg) {	\
+				.size = fa.out_args[i].size,		\
+				.value = fa.out_args[i].value,		\
+			};						\
+		for (i = 0; i < fa_backup.out_numargs; ++i)		\
+			fa.out_args[i] = (struct fuse_bpf_arg) {	\
+				.size = fa_backup.out_args[i].size,	\
+				.value = fa_backup.out_args[i].value,	\
+			};						\
+		fa.out_numargs = fa_backup.out_numargs;			\
+									\
+		fer = (struct fuse_err_ret) {				\
+			ERR_PTR(backing(&fa, args)),			\
+			true,						\
+		};							\
+		if (IS_ERR(fer.result))					\
+			fa.error_in = PTR_ERR(fer.result);		\
+		if (!(ext_flags & FUSE_BPF_POST_FILTER))		\
+			break;						\
+									\
+		fa.opcode |= FUSE_POSTFILTER;				\
+		for (i = 0; i < fa.out_numargs; ++i)			\
+			fa.in_args[fa.in_numargs++] =			\
+				(struct fuse_bpf_in_arg) {		\
+					.size = fa.out_args[i].size,	\
+					.value = fa.out_args[i].value,	\
+				};					\
+		ext_flags = fuse_bpf_run(fuse_inode->bpf, &fa);		\
+		if (ext_flags < 0) {					\
+			fer = (struct fuse_err_ret) {			\
+				ERR_PTR(ext_flags),			\
+				true,					\
+			};						\
+			break;						\
+		}							\
+		if (!(ext_flags & FUSE_BPF_USER_FILTER))		\
+			break;						\
+									\
+		fa.out_args[0].size = fa_backup.out_args[0].size;	\
+		fa.out_args[1].size = fa_backup.out_args[1].size;	\
+		fa.out_numargs = fa_backup.out_numargs;			\
+		locked = fuse_lock_inode(inode);			\
+		res = fuse_bpf_simple_request(fm, &fa);			\
+		fuse_unlock_inode(inode, locked);			\
+		if (res < 0) {						\
+			fer.result = ERR_PTR(res);			\
+			break;						\
+		}							\
+	} while (false);						\
+									\
+	if (initialized && fer.ret) {					\
+		err = finalize(&fa, args);				\
+		if (err)						\
+			fer.result = err;				\
+	}								\
+									\
+	fer;								\
+})
+#endif /* CONFIG_FUSE_BPF */
+
 #endif /* _FS_FUSE_I_H */
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 9ea175f..6d97647 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -27,6 +27,7 @@
 MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>");
 MODULE_DESCRIPTION("Filesystem in Userspace");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static struct kmem_cache *fuse_inode_cachep;
 struct list_head fuse_conn_list;
@@ -50,8 +51,6 @@
  "Global limit for the maximum congestion threshold an "
  "unprivileged user can set");
 
-#define FUSE_SUPER_MAGIC 0x65735546
-
 #define FUSE_DEFAULT_BLKSIZE 512
 
 /** Maximum number of outstanding background requests */
@@ -79,6 +78,10 @@
 
 	fi->i_time = 0;
 	fi->inval_mask = 0;
+#ifdef CONFIG_FUSE_BPF
+	fi->backing_inode = NULL;
+	fi->bpf = NULL;
+#endif
 	fi->nodeid = 0;
 	fi->nlookup = 0;
 	fi->attr_version = 0;
@@ -112,6 +115,10 @@
 #ifdef CONFIG_FUSE_DAX
 	kfree(fi->dax);
 #endif
+#ifdef CONFIG_FUSE_BPF
+	if (fi->bpf)
+		bpf_prog_put(fi->bpf);
+#endif
 	kmem_cache_free(fuse_inode_cachep, fi);
 }
 
@@ -141,6 +148,15 @@
 	}
 }
 
+#ifdef CONFIG_FUSE_BPF
+static void fuse_destroy_inode(struct inode *inode)
+{
+	struct fuse_inode *fi = get_fuse_inode(inode);
+
+	iput(fi->backing_inode);
+}
+#endif
+
 static int fuse_reconfigure(struct fs_context *fc)
 {
 	struct super_block *sb = fc->root->d_sb;
@@ -164,6 +180,28 @@
 	return ino;
 }
 
+static void fuse_fill_attr_from_inode(struct fuse_attr *attr,
+				      const struct inode *inode)
+{
+	*attr = (struct fuse_attr){
+		.ino		= inode->i_ino,
+		.size		= inode->i_size,
+		.blocks		= inode->i_blocks,
+		.atime		= inode->i_atime.tv_sec,
+		.mtime		= inode->i_mtime.tv_sec,
+		.ctime		= inode->i_ctime.tv_sec,
+		.atimensec	= inode->i_atime.tv_nsec,
+		.mtimensec	= inode->i_mtime.tv_nsec,
+		.ctimensec	= inode->i_ctime.tv_nsec,
+		.mode		= inode->i_mode,
+		.nlink		= inode->i_nlink,
+		.uid		= inode->i_uid.val,
+		.gid		= inode->i_gid.val,
+		.rdev		= inode->i_rdev,
+		.blksize	= 1u << inode->i_blkbits,
+	};
+}
+
 void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
 				   u64 attr_valid)
 {
@@ -288,28 +326,104 @@
 	else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
 		 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
 		fuse_init_common(inode);
-		init_special_inode(inode, inode->i_mode,
-				   new_decode_dev(attr->rdev));
+		init_special_inode(inode, inode->i_mode, attr->rdev);
 	} else
 		BUG();
 }
 
+struct fuse_inode_identifier {
+	u64 nodeid;
+	struct inode *backing_inode;
+};
+
 static int fuse_inode_eq(struct inode *inode, void *_nodeidp)
 {
-	u64 nodeid = *(u64 *) _nodeidp;
-	if (get_node_id(inode) == nodeid)
-		return 1;
-	else
-		return 0;
+	struct fuse_inode_identifier *fii =
+		(struct fuse_inode_identifier *) _nodeidp;
+	struct fuse_inode *fi = get_fuse_inode(inode);
+
+	return fii->nodeid == fi->nodeid;
+}
+
+static int fuse_inode_backing_eq(struct inode *inode, void *_nodeidp)
+{
+	struct fuse_inode_identifier *fii =
+		(struct fuse_inode_identifier *) _nodeidp;
+	struct fuse_inode *fi = get_fuse_inode(inode);
+
+	return fii->nodeid == fi->nodeid
+#ifdef CONFIG_FUSE_BPF
+		&& fii->backing_inode == fi->backing_inode
+#endif
+		;
 }
 
 static int fuse_inode_set(struct inode *inode, void *_nodeidp)
 {
-	u64 nodeid = *(u64 *) _nodeidp;
-	get_fuse_inode(inode)->nodeid = nodeid;
+	struct fuse_inode_identifier *fii =
+		(struct fuse_inode_identifier *) _nodeidp;
+	struct fuse_inode *fi = get_fuse_inode(inode);
+
+	fi->nodeid = fii->nodeid;
+
 	return 0;
 }
 
+static int fuse_inode_backing_set(struct inode *inode, void *_nodeidp)
+{
+	struct fuse_inode_identifier *fii =
+		(struct fuse_inode_identifier *) _nodeidp;
+	struct fuse_inode *fi = get_fuse_inode(inode);
+
+	fi->nodeid = fii->nodeid;
+#ifdef CONFIG_FUSE_BPF
+	fi->backing_inode = fii->backing_inode;
+	if (fi->backing_inode)
+		ihold(fi->backing_inode);
+#endif
+
+	return 0;
+}
+
+struct inode *fuse_iget_backing(struct super_block *sb, u64 nodeid,
+				struct inode *backing_inode)
+{
+	struct inode *inode;
+	struct fuse_inode *fi;
+	struct fuse_conn *fc = get_fuse_conn_super(sb);
+	struct fuse_inode_identifier fii = {
+		.nodeid = nodeid,
+		.backing_inode = backing_inode,
+	};
+	struct fuse_attr attr;
+	unsigned long hash = (unsigned long) backing_inode;
+
+	if (nodeid)
+		hash = nodeid;
+
+	fuse_fill_attr_from_inode(&attr, backing_inode);
+	inode = iget5_locked(sb, hash, fuse_inode_backing_eq,
+			     fuse_inode_backing_set, &fii);
+	if (!inode)
+		return NULL;
+
+	if ((inode->i_state & I_NEW)) {
+		inode->i_flags |= S_NOATIME;
+		if (!fc->writeback_cache)
+			inode->i_flags |= S_NOCMTIME;
+		fuse_init_common(inode);
+		unlock_new_inode(inode);
+	}
+
+	fi = get_fuse_inode(inode);
+	fuse_init_inode(inode, &attr);
+	spin_lock(&fi->lock);
+	fi->nlookup++;
+	spin_unlock(&fi->lock);
+
+	return inode;
+}
+
 struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
 			int generation, struct fuse_attr *attr,
 			u64 attr_valid, u64 attr_version)
@@ -317,6 +431,9 @@
 	struct inode *inode;
 	struct fuse_inode *fi;
 	struct fuse_conn *fc = get_fuse_conn_super(sb);
+	struct fuse_inode_identifier fii = {
+		.nodeid = nodeid,
+	};
 
 	/*
 	 * Auto mount points get their node id from the submount root, which is
@@ -338,7 +455,7 @@
 	}
 
 retry:
-	inode = iget5_locked(sb, nodeid, fuse_inode_eq, fuse_inode_set, &nodeid);
+	inode = iget5_locked(sb, nodeid, fuse_inode_eq, fuse_inode_set, &fii);
 	if (!inode)
 		return NULL;
 
@@ -370,13 +487,16 @@
 {
 	struct fuse_mount *fm_iter;
 	struct inode *inode;
+	struct fuse_inode_identifier fii = {
+		.nodeid = nodeid,
+	};
 
 	WARN_ON(!rwsem_is_locked(&fc->killsb));
 	list_for_each_entry(fm_iter, &fc->mounts, fc_entry) {
 		if (!fm_iter->sb)
 			continue;
 
-		inode = ilookup5(fm_iter->sb, nodeid, fuse_inode_eq, &nodeid);
+		inode = ilookup5(fm_iter->sb, nodeid, fuse_inode_eq, &fii);
 		if (inode) {
 			if (fm)
 				*fm = fm_iter;
@@ -464,20 +584,6 @@
 	fuse_mount_put(fm);
 }
 
-static void convert_fuse_statfs(struct kstatfs *stbuf, struct fuse_kstatfs *attr)
-{
-	stbuf->f_type    = FUSE_SUPER_MAGIC;
-	stbuf->f_bsize   = attr->bsize;
-	stbuf->f_frsize  = attr->frsize;
-	stbuf->f_blocks  = attr->blocks;
-	stbuf->f_bfree   = attr->bfree;
-	stbuf->f_bavail  = attr->bavail;
-	stbuf->f_files   = attr->files;
-	stbuf->f_ffree   = attr->ffree;
-	stbuf->f_namelen = attr->namelen;
-	/* fsid is left zero */
-}
-
 static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct super_block *sb = dentry->d_sb;
@@ -485,12 +591,24 @@
 	FUSE_ARGS(args);
 	struct fuse_statfs_out outarg;
 	int err;
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+#endif
 
 	if (!fuse_allow_current_process(fm->fc)) {
 		buf->f_type = FUSE_SUPER_MAGIC;
 		return 0;
 	}
 
+#ifdef CONFIG_FUSE_BPF
+	fer = fuse_bpf_backing(dentry->d_inode, struct fuse_statfs_out,
+			       fuse_statfs_initialize, fuse_statfs_backing,
+			       fuse_statfs_finalize,
+			       dentry, buf);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	memset(&outarg, 0, sizeof(outarg));
 	args.in_numargs = 0;
 	args.opcode = FUSE_STATFS;
@@ -515,6 +633,9 @@
 	OPT_ALLOW_OTHER,
 	OPT_MAX_READ,
 	OPT_BLKSIZE,
+	OPT_ROOT_BPF,
+	OPT_ROOT_DIR,
+	OPT_NO_DAEMON,
 	OPT_ERR
 };
 
@@ -529,6 +650,9 @@
 	fsparam_u32	("max_read",		OPT_MAX_READ),
 	fsparam_u32	("blksize",		OPT_BLKSIZE),
 	fsparam_string	("subtype",		OPT_SUBTYPE),
+	fsparam_u32	("root_bpf",		OPT_ROOT_BPF),
+	fsparam_u32	("root_dir",		OPT_ROOT_DIR),
+	fsparam_flag	("no_daemon",		OPT_NO_DAEMON),
 	{}
 };
 
@@ -612,6 +736,26 @@
 		ctx->blksize = result.uint_32;
 		break;
 
+	case OPT_ROOT_BPF:
+		ctx->root_bpf = bpf_prog_get_type_dev(result.uint_32,
+						BPF_PROG_TYPE_FUSE, false);
+		if (IS_ERR(ctx->root_bpf)) {
+			ctx->root_bpf = NULL;
+			return invalfc(fc, "Unable to open bpf program");
+		}
+		break;
+
+	case OPT_ROOT_DIR:
+		ctx->root_dir = fget(result.uint_32);
+		if (!ctx->root_dir)
+			return invalfc(fc, "Unable to open root directory");
+		break;
+
+	case OPT_NO_DAEMON:
+		ctx->no_daemon = true;
+		ctx->fd_present = true;
+		break;
+
 	default:
 		return -EINVAL;
 	}
@@ -624,6 +768,10 @@
 	struct fuse_fs_context *ctx = fc->fs_private;
 
 	if (ctx) {
+		if (ctx->root_dir)
+			fput(ctx->root_dir);
+		if (ctx->root_bpf)
+			bpf_prog_put(ctx->root_bpf);
 		kfree(ctx->subtype);
 		kfree(ctx);
 	}
@@ -689,6 +837,7 @@
 	memset(fc, 0, sizeof(*fc));
 	spin_lock_init(&fc->lock);
 	spin_lock_init(&fc->bg_lock);
+	spin_lock_init(&fc->passthrough_req_lock);
 	init_rwsem(&fc->killsb);
 	refcount_set(&fc->count, 1);
 	atomic_set(&fc->dev_count, 1);
@@ -697,6 +846,7 @@
 	INIT_LIST_HEAD(&fc->bg_queue);
 	INIT_LIST_HEAD(&fc->entry);
 	INIT_LIST_HEAD(&fc->devices);
+	idr_init(&fc->passthrough_req);
 	atomic_set(&fc->num_waiting, 0);
 	fc->max_background = FUSE_DEFAULT_MAX_BACKGROUND;
 	fc->congestion_threshold = FUSE_DEFAULT_CONGESTION_THRESHOLD;
@@ -759,15 +909,34 @@
 }
 EXPORT_SYMBOL_GPL(fuse_mount_get);
 
-static struct inode *fuse_get_root_inode(struct super_block *sb, unsigned mode)
+static struct inode *fuse_get_root_inode(struct super_block *sb,
+					 unsigned int mode,
+					 struct bpf_prog *root_bpf,
+					 struct file *backing_fd)
 {
 	struct fuse_attr attr;
-	memset(&attr, 0, sizeof(attr));
+	struct inode *inode;
 
+	memset(&attr, 0, sizeof(attr));
 	attr.mode = mode;
 	attr.ino = FUSE_ROOT_ID;
 	attr.nlink = 1;
-	return fuse_iget(sb, 1, 0, &attr, 0, 0);
+	inode = fuse_iget(sb, 1, 0, &attr, 0, 0);
+	if (!inode)
+		return NULL;
+
+#ifdef CONFIG_FUSE_BPF
+	get_fuse_inode(inode)->bpf = root_bpf;
+	if (root_bpf)
+		bpf_prog_inc(root_bpf);
+
+	if (backing_fd) {
+		get_fuse_inode(inode)->backing_inode = backing_fd->f_inode;
+		ihold(backing_fd->f_inode);
+	}
+#endif
+
+	return inode;
 }
 
 struct fuse_inode_handle {
@@ -782,11 +951,14 @@
 	struct inode *inode;
 	struct dentry *entry;
 	int err = -ESTALE;
+	struct fuse_inode_identifier fii = {
+		.nodeid = handle->nodeid,
+	};
 
 	if (handle->nodeid == 0)
 		goto out_err;
 
-	inode = ilookup5(sb, handle->nodeid, fuse_inode_eq, &handle->nodeid);
+	inode = ilookup5(sb, handle->nodeid, fuse_inode_eq, &fii);
 	if (!inode) {
 		struct fuse_entry_out outarg;
 		const struct qstr name = QSTR_INIT(".", 1);
@@ -795,7 +967,7 @@
 			goto out_err;
 
 		err = fuse_lookup_name(sb, handle->nodeid, &name, &outarg,
-				       &inode);
+				       NULL, &inode);
 		if (err && err != -ENOENT)
 			goto out_err;
 		if (err || !inode) {
@@ -896,7 +1068,7 @@
 		return ERR_PTR(-ESTALE);
 
 	err = fuse_lookup_name(child_inode->i_sb, get_node_id(child_inode),
-			       &name, &outarg, &inode);
+			       &name, &outarg, NULL, &inode);
 	if (err) {
 		if (err == -ENOENT)
 			return ERR_PTR(-ESTALE);
@@ -919,6 +1091,9 @@
 
 static const struct super_operations fuse_super_operations = {
 	.alloc_inode    = fuse_alloc_inode,
+#ifdef CONFIG_FUSE_BPF
+	.destroy_inode  = fuse_destroy_inode,
+#endif
 	.free_inode     = fuse_free_inode,
 	.evict_inode	= fuse_evict_inode,
 	.write_inode	= fuse_write_inode,
@@ -1065,6 +1240,12 @@
 			    !fuse_dax_check_alignment(fc, arg->map_alignment)) {
 				ok = false;
 			}
+			if (arg->flags & FUSE_PASSTHROUGH) {
+				fc->passthrough = 1;
+				/* Prevent further stacking */
+				fm->sb->s_stack_depth =
+					FILESYSTEM_MAX_STACK_DEPTH;
+			}
 		} else {
 			ra_pages = fc->max_read / PAGE_SIZE;
 			fc->no_lock = 1;
@@ -1107,7 +1288,8 @@
 		FUSE_WRITEBACK_CACHE | FUSE_NO_OPEN_SUPPORT |
 		FUSE_PARALLEL_DIROPS | FUSE_HANDLE_KILLPRIV | FUSE_POSIX_ACL |
 		FUSE_ABORT_ERROR | FUSE_MAX_PAGES | FUSE_CACHE_SYMLINKS |
-		FUSE_NO_OPENDIR_SUPPORT | FUSE_EXPLICIT_INVAL_DATA;
+		FUSE_NO_OPENDIR_SUPPORT | FUSE_EXPLICIT_INVAL_DATA |
+		FUSE_PASSTHROUGH;
 #ifdef CONFIG_FUSE_DAX
 	if (fm->fc->dax)
 		ia->in.flags |= FUSE_MAP_ALIGNMENT;
@@ -1130,14 +1312,26 @@
 	ia->args.nocreds = true;
 	ia->args.end = process_init_reply;
 
-	if (fuse_simple_background(fm, &ia->args, GFP_KERNEL) != 0)
+	if (unlikely(fm->fc->no_daemon) || fuse_simple_background(fm, &ia->args, GFP_KERNEL) != 0)
 		process_init_reply(fm, &ia->args, -ENOTCONN);
 }
 EXPORT_SYMBOL_GPL(fuse_send_init);
 
+static int free_fuse_passthrough(int id, void *p, void *data)
+{
+	struct fuse_passthrough *passthrough = (struct fuse_passthrough *)p;
+
+	fuse_passthrough_release(passthrough);
+	kfree(p);
+
+	return 0;
+}
+
 void fuse_free_conn(struct fuse_conn *fc)
 {
 	WARN_ON(!list_empty(&fc->devices));
+	idr_for_each(&fc->passthrough_req, free_fuse_passthrough, NULL);
+	idr_destroy(&fc->passthrough_req);
 	kfree_rcu(fc, rcu);
 }
 EXPORT_SYMBOL_GPL(fuse_free_conn);
@@ -1242,28 +1436,6 @@
 }
 EXPORT_SYMBOL_GPL(fuse_dev_free);
 
-static void fuse_fill_attr_from_inode(struct fuse_attr *attr,
-				      const struct fuse_inode *fi)
-{
-	*attr = (struct fuse_attr){
-		.ino		= fi->inode.i_ino,
-		.size		= fi->inode.i_size,
-		.blocks		= fi->inode.i_blocks,
-		.atime		= fi->inode.i_atime.tv_sec,
-		.mtime		= fi->inode.i_mtime.tv_sec,
-		.ctime		= fi->inode.i_ctime.tv_sec,
-		.atimensec	= fi->inode.i_atime.tv_nsec,
-		.mtimensec	= fi->inode.i_mtime.tv_nsec,
-		.ctimensec	= fi->inode.i_ctime.tv_nsec,
-		.mode		= fi->inode.i_mode,
-		.nlink		= fi->inode.i_nlink,
-		.uid		= fi->inode.i_uid.val,
-		.gid		= fi->inode.i_gid.val,
-		.rdev		= fi->inode.i_rdev,
-		.blksize	= 1u << fi->inode.i_blkbits,
-	};
-}
-
 static void fuse_sb_defaults(struct super_block *sb)
 {
 	sb->s_magic = FUSE_SUPER_MAGIC;
@@ -1307,7 +1479,7 @@
 	if (parent_sb->s_subtype && !sb->s_subtype)
 		return -ENOMEM;
 
-	fuse_fill_attr_from_inode(&root_attr, parent_fi);
+	fuse_fill_attr_from_inode(&root_attr, &parent_fi->inode);
 	root = fuse_iget(sb, parent_fi->nodeid, 0, &root_attr, 0, 0);
 	/*
 	 * This inode is just a duplicate, so it is not looked up and
@@ -1384,13 +1556,16 @@
 	fc->destroy = ctx->destroy;
 	fc->no_control = ctx->no_control;
 	fc->no_force_umount = ctx->no_force_umount;
+	fc->no_daemon = ctx->no_daemon;
 
 	err = -ENOMEM;
-	root = fuse_get_root_inode(sb, ctx->rootmode);
+	root = fuse_get_root_inode(sb, ctx->rootmode, ctx->root_bpf,
+				   ctx->root_dir);
 	sb->s_d_op = &fuse_root_dentry_operations;
 	root_dentry = d_make_root(root);
 	if (!root_dentry)
 		goto err_dev_free;
+	fuse_init_dentry_root(root_dentry, ctx->root_dir);
 	/* Root dentry doesn't have .d_revalidate */
 	sb->s_d_op = &fuse_dentry_operations;
 
@@ -1433,18 +1608,20 @@
 	struct fuse_mount *fm;
 
 	err = -EINVAL;
-	file = fget(ctx->fd);
-	if (!file)
-		goto err;
+	if (!ctx->no_daemon) {
+		file = fget(ctx->fd);
+		if (!file)
+			goto err;
 
-	/*
-	 * Require mount to happen from the same user namespace which
-	 * opened /dev/fuse to prevent potential attacks.
-	 */
-	if ((file->f_op != &fuse_dev_operations) ||
-	    (file->f_cred->user_ns != sb->s_user_ns))
-		goto err_fput;
-	ctx->fudptr = &file->private_data;
+		/*
+		 * Require mount to happen from the same user namespace which
+		 * opened /dev/fuse to prevent potential attacks.
+		 */
+		if ((file->f_op != &fuse_dev_operations) ||
+		    (file->f_cred->user_ns != sb->s_user_ns))
+			goto err_fput;
+		ctx->fudptr = &file->private_data;
+	}
 
 	fc = kmalloc(sizeof(*fc), GFP_KERNEL);
 	err = -ENOMEM;
@@ -1470,7 +1647,8 @@
 	 * memory barrier for file->private_data to be visible on all
 	 * CPUs after this
 	 */
-	fput(file);
+	if (!ctx->no_daemon)
+		fput(file);
 	fuse_send_init(get_fuse_mount_super(sb));
 	return 0;
 
@@ -1478,7 +1656,8 @@
 	fuse_mount_put(fm);
 	sb->s_fs_info = NULL;
  err_fput:
-	fput(file);
+	if (!ctx->no_daemon)
+		fput(file);
  err:
 	return err;
 }
@@ -1686,6 +1865,57 @@
 
 static struct kobject *fuse_kobj;
 
+static ssize_t fuse_bpf_show(struct kobject *kobj,
+				       struct kobj_attribute *attr, char *buff)
+{
+	return sysfs_emit(buff, "supported\n");
+}
+
+static struct kobj_attribute fuse_bpf_attr =
+		__ATTR_RO(fuse_bpf);
+
+static struct attribute *bpf_features[] = {
+	&fuse_bpf_attr.attr,
+	NULL,
+};
+
+static const struct attribute_group bpf_features_group = {
+	.name = "features",
+	.attrs = bpf_features,
+};
+
+/*
+ * TODO Remove this once fuse-bpf is upstreamed
+ *
+ * bpf_prog_type_fuse exports the bpf_prog_type_fuse 'constant', which cannot be
+ * constant until the code is upstreamed
+ */
+static ssize_t bpf_prog_type_fuse_show(struct kobject *kobj,
+				       struct kobj_attribute *attr, char *buff)
+{
+	return sysfs_emit(buff, "%d\n", BPF_PROG_TYPE_FUSE);
+}
+
+static struct kobj_attribute bpf_prog_type_fuse_attr =
+		__ATTR_RO(bpf_prog_type_fuse);
+
+static struct attribute *bpf_attributes[] = {
+	&bpf_prog_type_fuse_attr.attr,
+	NULL,
+};
+
+static const struct attribute_group bpf_attr_group = {
+	.attrs = bpf_attributes,
+};
+
+static const struct attribute_group *attribute_groups[] = {
+	&bpf_features_group,
+	&bpf_attr_group,
+	NULL
+};
+
+/* TODO remove to here */
+
 static int fuse_sysfs_init(void)
 {
 	int err;
@@ -1700,8 +1930,15 @@
 	if (err)
 		goto out_fuse_unregister;
 
+	/* TODO Remove when BPF_PROG_TYPE_FUSE is upstreamed */
+	err = sysfs_create_groups(fuse_kobj, attribute_groups);
+	if (err)
+		goto out_fuse_remove_mount_point;
+
 	return 0;
 
+ out_fuse_remove_mount_point:
+	sysfs_remove_mount_point(fuse_kobj, "connections");
  out_fuse_unregister:
 	kobject_put(fuse_kobj);
  out_err:
@@ -1710,6 +1947,7 @@
 
 static void fuse_sysfs_cleanup(void)
 {
+	sysfs_remove_groups(fuse_kobj, attribute_groups);
 	sysfs_remove_mount_point(fuse_kobj, "connections");
 	kobject_put(fuse_kobj);
 }
@@ -1738,11 +1976,21 @@
 	if (res)
 		goto err_sysfs_cleanup;
 
+#ifdef CONFIG_FUSE_BPF
+	res = fuse_bpf_init();
+	if (res)
+		goto err_ctl_cleanup;
+#endif
+
 	sanitize_global_limit(&max_user_bgreq);
 	sanitize_global_limit(&max_user_congthresh);
 
 	return 0;
 
+#ifdef CONFIG_FUSE_BPF
+ err_ctl_cleanup:
+	fuse_ctl_cleanup();
+#endif
  err_sysfs_cleanup:
 	fuse_sysfs_cleanup();
  err_dev_cleanup:
@@ -1760,6 +2008,9 @@
 	fuse_ctl_cleanup();
 	fuse_sysfs_cleanup();
 	fuse_fs_cleanup();
+#ifdef CONFIG_FUSE_BPF
+	fuse_bpf_cleanup();
+#endif
 	fuse_dev_cleanup();
 }
 
diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c
new file mode 100644
index 0000000..1845e05
--- /dev/null
+++ b/fs/fuse/passthrough.c
@@ -0,0 +1,294 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "fuse_i.h"
+
+#include <linux/fuse.h>
+#include <linux/idr.h>
+#include <linux/uio.h>
+
+#define PASSTHROUGH_IOCB_MASK                                                  \
+	(IOCB_APPEND | IOCB_DSYNC | IOCB_HIPRI | IOCB_NOWAIT | IOCB_SYNC)
+
+struct fuse_aio_req {
+	struct kiocb iocb;
+	struct kiocb *iocb_fuse;
+};
+
+static void fuse_file_accessed(struct file *dst_file, struct file *src_file)
+{
+	struct inode *dst_inode;
+	struct inode *src_inode;
+
+	if (dst_file->f_flags & O_NOATIME)
+		return;
+
+	dst_inode = file_inode(dst_file);
+	src_inode = file_inode(src_file);
+
+	if ((!timespec64_equal(&dst_inode->i_mtime, &src_inode->i_mtime) ||
+	     !timespec64_equal(&dst_inode->i_ctime, &src_inode->i_ctime))) {
+		dst_inode->i_mtime = src_inode->i_mtime;
+		dst_inode->i_ctime = src_inode->i_ctime;
+	}
+
+	touch_atime(&dst_file->f_path);
+}
+
+void fuse_copyattr(struct file *dst_file, struct file *src_file)
+{
+	struct inode *dst = file_inode(dst_file);
+	struct inode *src = file_inode(src_file);
+
+	dst->i_atime = src->i_atime;
+	dst->i_mtime = src->i_mtime;
+	dst->i_ctime = src->i_ctime;
+	i_size_write(dst, i_size_read(src));
+}
+
+static void fuse_aio_cleanup_handler(struct fuse_aio_req *aio_req)
+{
+	struct kiocb *iocb = &aio_req->iocb;
+	struct kiocb *iocb_fuse = aio_req->iocb_fuse;
+
+	if (iocb->ki_flags & IOCB_WRITE) {
+		__sb_writers_acquired(file_inode(iocb->ki_filp)->i_sb,
+				      SB_FREEZE_WRITE);
+		file_end_write(iocb->ki_filp);
+		fuse_copyattr(iocb_fuse->ki_filp, iocb->ki_filp);
+	}
+
+	iocb_fuse->ki_pos = iocb->ki_pos;
+	kfree(aio_req);
+}
+
+static void fuse_aio_rw_complete(struct kiocb *iocb, long res, long res2)
+{
+	struct fuse_aio_req *aio_req =
+		container_of(iocb, struct fuse_aio_req, iocb);
+	struct kiocb *iocb_fuse = aio_req->iocb_fuse;
+
+	fuse_aio_cleanup_handler(aio_req);
+	iocb_fuse->ki_complete(iocb_fuse, res, res2);
+}
+
+ssize_t fuse_passthrough_read_iter(struct kiocb *iocb_fuse,
+				   struct iov_iter *iter)
+{
+	ssize_t ret;
+	const struct cred *old_cred;
+	struct file *fuse_filp = iocb_fuse->ki_filp;
+	struct fuse_file *ff = fuse_filp->private_data;
+	struct file *passthrough_filp = ff->passthrough.filp;
+
+	if (!iov_iter_count(iter))
+		return 0;
+
+	old_cred = override_creds(ff->passthrough.cred);
+	if (is_sync_kiocb(iocb_fuse)) {
+		ret = vfs_iter_read(passthrough_filp, iter, &iocb_fuse->ki_pos,
+				    iocb_to_rw_flags(iocb_fuse->ki_flags,
+						     PASSTHROUGH_IOCB_MASK));
+	} else {
+		struct fuse_aio_req *aio_req;
+
+		aio_req = kmalloc(sizeof(struct fuse_aio_req), GFP_KERNEL);
+		if (!aio_req) {
+			ret = -ENOMEM;
+			goto out;
+		}
+
+		aio_req->iocb_fuse = iocb_fuse;
+		kiocb_clone(&aio_req->iocb, iocb_fuse, passthrough_filp);
+		aio_req->iocb.ki_complete = fuse_aio_rw_complete;
+		ret = call_read_iter(passthrough_filp, &aio_req->iocb, iter);
+		if (ret != -EIOCBQUEUED)
+			fuse_aio_cleanup_handler(aio_req);
+	}
+out:
+	revert_creds(old_cred);
+
+	fuse_file_accessed(fuse_filp, passthrough_filp);
+
+	return ret;
+}
+
+ssize_t fuse_passthrough_write_iter(struct kiocb *iocb_fuse,
+				    struct iov_iter *iter)
+{
+	ssize_t ret;
+	const struct cred *old_cred;
+	struct file *fuse_filp = iocb_fuse->ki_filp;
+	struct fuse_file *ff = fuse_filp->private_data;
+	struct inode *fuse_inode = file_inode(fuse_filp);
+	struct file *passthrough_filp = ff->passthrough.filp;
+	struct inode *passthrough_inode = file_inode(passthrough_filp);
+
+	if (!iov_iter_count(iter))
+		return 0;
+
+	inode_lock(fuse_inode);
+
+	fuse_copyattr(fuse_filp, passthrough_filp);
+
+	old_cred = override_creds(ff->passthrough.cred);
+	if (is_sync_kiocb(iocb_fuse)) {
+		file_start_write(passthrough_filp);
+		ret = vfs_iter_write(passthrough_filp, iter, &iocb_fuse->ki_pos,
+				     iocb_to_rw_flags(iocb_fuse->ki_flags,
+						      PASSTHROUGH_IOCB_MASK));
+		file_end_write(passthrough_filp);
+		if (ret > 0)
+			fuse_copyattr(fuse_filp, passthrough_filp);
+	} else {
+		struct fuse_aio_req *aio_req;
+
+		aio_req = kmalloc(sizeof(struct fuse_aio_req), GFP_KERNEL);
+		if (!aio_req) {
+			ret = -ENOMEM;
+			goto out;
+		}
+
+		file_start_write(passthrough_filp);
+		__sb_writers_release(passthrough_inode->i_sb, SB_FREEZE_WRITE);
+
+		aio_req->iocb_fuse = iocb_fuse;
+		kiocb_clone(&aio_req->iocb, iocb_fuse, passthrough_filp);
+		aio_req->iocb.ki_complete = fuse_aio_rw_complete;
+		ret = call_write_iter(passthrough_filp, &aio_req->iocb, iter);
+		if (ret != -EIOCBQUEUED)
+			fuse_aio_cleanup_handler(aio_req);
+	}
+out:
+	revert_creds(old_cred);
+	inode_unlock(fuse_inode);
+
+	return ret;
+}
+
+ssize_t fuse_passthrough_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	int ret;
+	const struct cred *old_cred;
+	struct fuse_file *ff = file->private_data;
+	struct file *passthrough_filp = ff->passthrough.filp;
+
+	if (!passthrough_filp->f_op->mmap)
+		return -ENODEV;
+
+	if (WARN_ON(file != vma->vm_file))
+		return -EIO;
+
+	vma->vm_file = get_file(passthrough_filp);
+
+	old_cred = override_creds(ff->passthrough.cred);
+	ret = call_mmap(vma->vm_file, vma);
+	revert_creds(old_cred);
+
+	if (ret)
+		fput(passthrough_filp);
+	else
+		fput(file);
+
+	fuse_file_accessed(file, passthrough_filp);
+
+	return ret;
+}
+
+int fuse_passthrough_open(struct fuse_dev *fud, u32 lower_fd)
+{
+	int res;
+	struct file *passthrough_filp;
+	struct fuse_conn *fc = fud->fc;
+	struct inode *passthrough_inode;
+	struct super_block *passthrough_sb;
+	struct fuse_passthrough *passthrough;
+
+	if (!fc->passthrough)
+		return -EPERM;
+
+	passthrough_filp = fget(lower_fd);
+	if (!passthrough_filp) {
+		pr_err("FUSE: invalid file descriptor for passthrough.\n");
+		return -EBADF;
+	}
+
+	if (!passthrough_filp->f_op->read_iter ||
+	    !((passthrough_filp->f_path.mnt->mnt_flags | MNT_READONLY) ||
+	       passthrough_filp->f_op->write_iter)) {
+		pr_err("FUSE: passthrough file misses file operations.\n");
+		res = -EBADF;
+		goto err_free_file;
+	}
+
+	passthrough_inode = file_inode(passthrough_filp);
+	passthrough_sb = passthrough_inode->i_sb;
+	if (passthrough_sb->s_stack_depth >= FILESYSTEM_MAX_STACK_DEPTH) {
+		pr_err("FUSE: fs stacking depth exceeded for passthrough\n");
+		res = -EINVAL;
+		goto err_free_file;
+	}
+
+	passthrough = kmalloc(sizeof(struct fuse_passthrough), GFP_KERNEL);
+	if (!passthrough) {
+		res = -ENOMEM;
+		goto err_free_file;
+	}
+
+	passthrough->filp = passthrough_filp;
+	passthrough->cred = prepare_creds();
+
+	idr_preload(GFP_KERNEL);
+	spin_lock(&fc->passthrough_req_lock);
+	res = idr_alloc(&fc->passthrough_req, passthrough, 1, 0, GFP_ATOMIC);
+	spin_unlock(&fc->passthrough_req_lock);
+	idr_preload_end();
+
+	if (res > 0)
+		return res;
+
+	fuse_passthrough_release(passthrough);
+	kfree(passthrough);
+
+err_free_file:
+	fput(passthrough_filp);
+
+	return res;
+}
+
+int fuse_passthrough_setup(struct fuse_conn *fc, struct fuse_file *ff,
+			   struct fuse_open_out *openarg)
+{
+	struct fuse_passthrough *passthrough;
+	int passthrough_fh = openarg->passthrough_fh;
+
+	if (!fc->passthrough)
+		return -EPERM;
+
+	/* Default case, passthrough is not requested */
+	if (passthrough_fh <= 0)
+		return -EINVAL;
+
+	spin_lock(&fc->passthrough_req_lock);
+	passthrough = idr_remove(&fc->passthrough_req, passthrough_fh);
+	spin_unlock(&fc->passthrough_req_lock);
+
+	if (!passthrough)
+		return -EINVAL;
+
+	ff->passthrough = *passthrough;
+	kfree(passthrough);
+
+	return 0;
+}
+
+void fuse_passthrough_release(struct fuse_passthrough *passthrough)
+{
+	if (passthrough->filp) {
+		fput(passthrough->filp);
+		passthrough->filp = NULL;
+	}
+	if (passthrough->cred) {
+		put_cred(passthrough->cred);
+		passthrough->cred = NULL;
+	}
+}
diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c
index 14e99ff..f9d0be5 100644
--- a/fs/fuse/readdir.c
+++ b/fs/fuse/readdir.c
@@ -20,6 +20,8 @@
 
 	if (!fc->do_readdirplus)
 		return false;
+	if (fi->nodeid == 0)
+		return false;
 	if (!fc->readdirplus_auto)
 		return true;
 	if (test_and_clear_bit(FUSE_I_ADVISE_RDPLUS, &fi->state))
@@ -587,6 +589,26 @@
 	struct inode *inode = file_inode(file);
 	int err;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+	bool allow_force;
+	bool force_again = false;
+	bool is_continued = false;
+
+again:
+	fer = fuse_bpf_backing(inode, struct fuse_read_io,
+			       fuse_readdir_initialize, fuse_readdir_backing,
+			       fuse_readdir_finalize,
+			       file, ctx, &force_again, &allow_force, is_continued);
+	if (force_again && !IS_ERR(fer.result)) {
+		is_continued = true;
+		goto again;
+	}
+
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (fuse_is_bad(inode))
 		return -EIO;
 
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index faadc80..86b553c 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -977,7 +977,7 @@
 #endif
 };
 
-static void virtio_fs_wake_forget_and_unlock(struct fuse_iqueue *fiq)
+static void virtio_fs_wake_forget_and_unlock(struct fuse_iqueue *fiq, bool sync)
 __releases(fiq->lock)
 {
 	struct fuse_forget_link *link;
@@ -1012,7 +1012,8 @@
 	kfree(link);
 }
 
-static void virtio_fs_wake_interrupt_and_unlock(struct fuse_iqueue *fiq)
+static void virtio_fs_wake_interrupt_and_unlock(struct fuse_iqueue *fiq,
+						bool sync)
 __releases(fiq->lock)
 {
 	/*
@@ -1227,7 +1228,8 @@
 	return ret;
 }
 
-static void virtio_fs_wake_pending_and_unlock(struct fuse_iqueue *fiq)
+static void virtio_fs_wake_pending_and_unlock(struct fuse_iqueue *fiq,
+					      bool sync)
 __releases(fiq->lock)
 {
 	unsigned int queue_id = VQ_REQUEST; /* TODO multiqueue */
diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c
index cdea18d..e9edbbc 100644
--- a/fs/fuse/xattr.c
+++ b/fs/fuse/xattr.c
@@ -113,6 +113,17 @@
 	struct fuse_getxattr_out outarg;
 	ssize_t ret;
 
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_getxattr_io,
+			       fuse_listxattr_initialize,
+			       fuse_listxattr_backing, fuse_listxattr_finalize,
+			       entry, list, size);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (fuse_is_bad(inode))
 		return -EIO;
 
@@ -179,8 +190,19 @@
 
 static int fuse_xattr_get(const struct xattr_handler *handler,
 			 struct dentry *dentry, struct inode *inode,
-			 const char *name, void *value, size_t size)
+			 const char *name, void *value, size_t size, int flags)
 {
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	fer = fuse_bpf_backing(inode, struct fuse_getxattr_io,
+			       fuse_getxattr_initialize, fuse_getxattr_backing,
+			       fuse_getxattr_finalize,
+			       dentry, name, value, size);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (fuse_is_bad(inode))
 		return -EIO;
 
@@ -192,6 +214,24 @@
 			  const char *name, const void *value, size_t size,
 			  int flags)
 {
+#ifdef CONFIG_FUSE_BPF
+	struct fuse_err_ret fer;
+
+	if (value)
+		fer = fuse_bpf_backing(inode, struct fuse_setxattr_in,
+			       fuse_setxattr_initialize, fuse_setxattr_backing,
+			       fuse_setxattr_finalize, dentry, name, value,
+			       size, flags);
+	else
+		fer = fuse_bpf_backing(inode, struct fuse_dummy_io,
+				       fuse_removexattr_initialize,
+				       fuse_removexattr_backing,
+				       fuse_removexattr_finalize,
+				       dentry, name);
+	if (fer.ret)
+		return PTR_ERR(fer.result);
+#endif
+
 	if (fuse_is_bad(inode))
 		return -EIO;
 
@@ -208,7 +248,7 @@
 
 static int no_xattr_get(const struct xattr_handler *handler,
 			struct dentry *dentry, struct inode *inode,
-			const char *name, void *value, size_t size)
+			const char *name, void *value, size_t size, int flags)
 {
 	return -EOPNOTSUPP;
 }
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index c7393ee..81925fd 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -260,6 +260,7 @@
 MODULE_DESCRIPTION("Global File System");
 MODULE_AUTHOR("Red Hat, Inc.");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 module_init(init_gfs2_fs);
 module_exit(exit_gfs2_fs);
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index 9d7667b..2e4a9b9 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -588,7 +588,8 @@
 
 static int gfs2_xattr_get(const struct xattr_handler *handler,
 			  struct dentry *unused, struct inode *inode,
-			  const char *name, void *buffer, size_t size)
+			  const char *name, void *buffer, size_t size,
+			  int flags)
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_holder gh;
diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c
index 74fa6264..08222a9 100644
--- a/fs/hfs/attr.c
+++ b/fs/hfs/attr.c
@@ -115,7 +115,7 @@
 
 static int hfs_xattr_get(const struct xattr_handler *handler,
 			 struct dentry *unused, struct inode *inode,
-			 const char *name, void *value, size_t size)
+			 const char *name, void *value, size_t size, int flags)
 {
 	return __hfs_getxattr(inode, handler->flags, value, size);
 }
diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 12d9bae..6432d65 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -29,6 +29,7 @@
 static struct kmem_cache *hfs_inode_cachep;
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static int hfs_sync_fs(struct super_block *sb, int wait)
 {
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 7648f64..39810b8 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -617,6 +617,7 @@
 MODULE_AUTHOR("Brad Boyer");
 MODULE_DESCRIPTION("Extended Macintosh Filesystem");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static struct kmem_cache *hfsplus_inode_cachep;
 
diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c
index bb0b27d8..381c2aa 100644
--- a/fs/hfsplus/xattr.c
+++ b/fs/hfsplus/xattr.c
@@ -839,7 +839,8 @@
 
 static int hfsplus_osx_getxattr(const struct xattr_handler *handler,
 				struct dentry *unused, struct inode *inode,
-				const char *name, void *buffer, size_t size)
+				const char *name, void *buffer, size_t size,
+				int flags)
 {
 	/*
 	 * Don't allow retrieving properly prefixed attributes
diff --git a/fs/hfsplus/xattr_security.c b/fs/hfsplus/xattr_security.c
index cfbe6a3..43e28b3 100644
--- a/fs/hfsplus/xattr_security.c
+++ b/fs/hfsplus/xattr_security.c
@@ -15,7 +15,8 @@
 
 static int hfsplus_security_getxattr(const struct xattr_handler *handler,
 				     struct dentry *unused, struct inode *inode,
-				     const char *name, void *buffer, size_t size)
+				     const char *name, void *buffer,
+				     size_t size, int flags)
 {
 	return hfsplus_getxattr(inode, name, buffer, size,
 				XATTR_SECURITY_PREFIX,
diff --git a/fs/hfsplus/xattr_trusted.c b/fs/hfsplus/xattr_trusted.c
index fbad91e..54d9263 100644
--- a/fs/hfsplus/xattr_trusted.c
+++ b/fs/hfsplus/xattr_trusted.c
@@ -14,7 +14,8 @@
 
 static int hfsplus_trusted_getxattr(const struct xattr_handler *handler,
 				    struct dentry *unused, struct inode *inode,
-				    const char *name, void *buffer, size_t size)
+				    const char *name, void *buffer,
+				    size_t size, int flags)
 {
 	return hfsplus_getxattr(inode, name, buffer, size,
 				XATTR_TRUSTED_PREFIX,
diff --git a/fs/hfsplus/xattr_user.c b/fs/hfsplus/xattr_user.c
index 74d19fa..4d2b1ff 100644
--- a/fs/hfsplus/xattr_user.c
+++ b/fs/hfsplus/xattr_user.c
@@ -14,7 +14,8 @@
 
 static int hfsplus_user_getxattr(const struct xattr_handler *handler,
 				 struct dentry *unused, struct inode *inode,
-				 const char *name, void *buffer, size_t size)
+				 const char *name, void *buffer, size_t size,
+				 int flags)
 {
 
 	return hfsplus_getxattr(inode, name, buffer, size,
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index a7dbfc8..d7598d7 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -791,3 +791,4 @@
 module_init(init_hpfs_fs)
 module_exit(exit_hpfs_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/incfs/Kconfig b/fs/incfs/Kconfig
new file mode 100644
index 0000000..5f15000
--- /dev/null
+++ b/fs/incfs/Kconfig
@@ -0,0 +1,13 @@
+config INCREMENTAL_FS
+	tristate "Incremental file system support"
+	depends on BLOCK
+	select DECOMPRESS_LZ4
+	select DECOMPRESS_ZSTD
+	select CRYPTO_SHA256
+	help
+	  Incremental FS is a read-only virtual file system that facilitates execution
+	  of programs while their binaries are still being lazily downloaded over the
+	  network, USB or pigeon post.
+
+	  To compile this file system support as a module, choose M here: the
+	  module will be called incrementalfs.
diff --git a/fs/incfs/Makefile b/fs/incfs/Makefile
new file mode 100644
index 0000000..05795d1
--- /dev/null
+++ b/fs/incfs/Makefile
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_INCREMENTAL_FS)	+= incrementalfs.o
+
+incrementalfs-y := \
+	data_mgmt.o \
+	format.o \
+	integrity.o \
+	main.o \
+	pseudo_files.o \
+	sysfs.o \
+	vfs.o
+
+incrementalfs-$(CONFIG_FS_VERITY) += verity.o
diff --git a/fs/incfs/data_mgmt.c b/fs/incfs/data_mgmt.c
new file mode 100644
index 0000000..6381f8f
--- /dev/null
+++ b/fs/incfs/data_mgmt.c
@@ -0,0 +1,1887 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+#include <linux/crc32.h>
+#include <linux/file.h>
+#include <linux/fsverity.h>
+#include <linux/gfp.h>
+#include <linux/kobject.h>
+#include <linux/ktime.h>
+#include <linux/lz4.h>
+#include <linux/mm.h>
+#include <linux/namei.h>
+#include <linux/pagemap.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "integrity.h"
+#include "sysfs.h"
+#include "verity.h"
+
+static int incfs_scan_metadata_chain(struct data_file *df);
+
+static void log_wake_up_all(struct work_struct *work)
+{
+	struct delayed_work *dw = container_of(work, struct delayed_work, work);
+	struct read_log *rl = container_of(dw, struct read_log, ml_wakeup_work);
+	wake_up_all(&rl->ml_notif_wq);
+}
+
+static void zstd_free_workspace(struct work_struct *work)
+{
+	struct delayed_work *dw = container_of(work, struct delayed_work, work);
+	struct mount_info *mi =
+		container_of(dw, struct mount_info, mi_zstd_cleanup_work);
+
+	mutex_lock(&mi->mi_zstd_workspace_mutex);
+	kvfree(mi->mi_zstd_workspace);
+	mi->mi_zstd_workspace = NULL;
+	mi->mi_zstd_stream = NULL;
+	mutex_unlock(&mi->mi_zstd_workspace_mutex);
+}
+
+struct mount_info *incfs_alloc_mount_info(struct super_block *sb,
+					  struct mount_options *options,
+					  struct path *backing_dir_path)
+{
+	struct mount_info *mi = NULL;
+	int error = 0;
+	struct incfs_sysfs_node *node;
+
+	mi = kzalloc(sizeof(*mi), GFP_NOFS);
+	if (!mi)
+		return ERR_PTR(-ENOMEM);
+
+	mi->mi_sb = sb;
+	mi->mi_backing_dir_path = *backing_dir_path;
+	mi->mi_owner = get_current_cred();
+	path_get(&mi->mi_backing_dir_path);
+	mutex_init(&mi->mi_dir_struct_mutex);
+	init_waitqueue_head(&mi->mi_pending_reads_notif_wq);
+	init_waitqueue_head(&mi->mi_log.ml_notif_wq);
+	init_waitqueue_head(&mi->mi_blocks_written_notif_wq);
+	atomic_set(&mi->mi_blocks_written, 0);
+	INIT_DELAYED_WORK(&mi->mi_log.ml_wakeup_work, log_wake_up_all);
+	spin_lock_init(&mi->mi_log.rl_lock);
+	spin_lock_init(&mi->pending_read_lock);
+	INIT_LIST_HEAD(&mi->mi_reads_list_head);
+	spin_lock_init(&mi->mi_per_uid_read_timeouts_lock);
+	mutex_init(&mi->mi_zstd_workspace_mutex);
+	INIT_DELAYED_WORK(&mi->mi_zstd_cleanup_work, zstd_free_workspace);
+	mutex_init(&mi->mi_le_mutex);
+
+	node = incfs_add_sysfs_node(options->sysfs_name, mi);
+	if (IS_ERR(node)) {
+		error = PTR_ERR(node);
+		goto err;
+	}
+	mi->mi_sysfs_node = node;
+
+	error = incfs_realloc_mount_info(mi, options);
+	if (error)
+		goto err;
+
+	return mi;
+
+err:
+	incfs_free_mount_info(mi);
+	return ERR_PTR(error);
+}
+
+int incfs_realloc_mount_info(struct mount_info *mi,
+			     struct mount_options *options)
+{
+	void *new_buffer = NULL;
+	void *old_buffer;
+	size_t new_buffer_size = 0;
+
+	if (options->read_log_pages != mi->mi_options.read_log_pages) {
+		struct read_log_state log_state;
+		/*
+		 * Even though having two buffers allocated at once isn't
+		 * usually good, allocating a multipage buffer under a spinlock
+		 * is even worse, so let's optimize for the shorter lock
+		 * duration. It's not end of the world if we fail to increase
+		 * the buffer size anyway.
+		 */
+		if (options->read_log_pages > 0) {
+			new_buffer_size = PAGE_SIZE * options->read_log_pages;
+			new_buffer = kzalloc(new_buffer_size, GFP_NOFS);
+			if (!new_buffer)
+				return -ENOMEM;
+		}
+
+		spin_lock(&mi->mi_log.rl_lock);
+		old_buffer = mi->mi_log.rl_ring_buf;
+		mi->mi_log.rl_ring_buf = new_buffer;
+		mi->mi_log.rl_size = new_buffer_size;
+		log_state = (struct read_log_state){
+			.generation_id = mi->mi_log.rl_head.generation_id + 1,
+		};
+		mi->mi_log.rl_head = log_state;
+		mi->mi_log.rl_tail = log_state;
+		spin_unlock(&mi->mi_log.rl_lock);
+
+		kfree(old_buffer);
+	}
+
+	if (options->sysfs_name && !mi->mi_sysfs_node)
+		mi->mi_sysfs_node = incfs_add_sysfs_node(options->sysfs_name,
+							 mi);
+	else if (!options->sysfs_name && mi->mi_sysfs_node) {
+		incfs_free_sysfs_node(mi->mi_sysfs_node);
+		mi->mi_sysfs_node = NULL;
+	} else if (options->sysfs_name &&
+		strcmp(options->sysfs_name,
+		       kobject_name(&mi->mi_sysfs_node->isn_sysfs_node))) {
+		incfs_free_sysfs_node(mi->mi_sysfs_node);
+		mi->mi_sysfs_node = incfs_add_sysfs_node(options->sysfs_name,
+							 mi);
+	}
+
+	if (IS_ERR(mi->mi_sysfs_node)) {
+		int err = PTR_ERR(mi->mi_sysfs_node);
+
+		mi->mi_sysfs_node = NULL;
+		return err;
+	}
+
+	mi->mi_options = *options;
+	return 0;
+}
+
+void incfs_free_mount_info(struct mount_info *mi)
+{
+	int i;
+	if (!mi)
+		return;
+
+	flush_delayed_work(&mi->mi_log.ml_wakeup_work);
+	flush_delayed_work(&mi->mi_zstd_cleanup_work);
+
+	dput(mi->mi_index_dir);
+	dput(mi->mi_incomplete_dir);
+	path_put(&mi->mi_backing_dir_path);
+	mutex_destroy(&mi->mi_dir_struct_mutex);
+	mutex_destroy(&mi->mi_zstd_workspace_mutex);
+	put_cred(mi->mi_owner);
+	kfree(mi->mi_log.rl_ring_buf);
+	for (i = 0; i < ARRAY_SIZE(mi->pseudo_file_xattr); ++i)
+		kfree(mi->pseudo_file_xattr[i].data);
+	kfree(mi->mi_per_uid_read_timeouts);
+	incfs_free_sysfs_node(mi->mi_sysfs_node);
+	kfree(mi);
+}
+
+static void data_file_segment_init(struct data_file_segment *segment)
+{
+	init_waitqueue_head(&segment->new_data_arrival_wq);
+	init_rwsem(&segment->rwsem);
+	INIT_LIST_HEAD(&segment->reads_list_head);
+}
+
+char *file_id_to_str(incfs_uuid_t id)
+{
+	char *result = kmalloc(1 + sizeof(id.bytes) * 2, GFP_NOFS);
+	char *end;
+
+	if (!result)
+		return NULL;
+
+	end = bin2hex(result, id.bytes, sizeof(id.bytes));
+	*end = 0;
+	return result;
+}
+
+struct dentry *incfs_lookup_dentry(struct dentry *parent, const char *name)
+{
+	struct inode *inode;
+	struct dentry *result = NULL;
+
+	if (!parent)
+		return ERR_PTR(-EFAULT);
+
+	inode = d_inode(parent);
+	inode_lock_nested(inode, I_MUTEX_PARENT);
+	result = lookup_one_len(name, parent, strlen(name));
+	inode_unlock(inode);
+
+	if (IS_ERR(result))
+		pr_warn("%s err:%ld\n", __func__, PTR_ERR(result));
+
+	return result;
+}
+
+static struct data_file *handle_mapped_file(struct mount_info *mi,
+					    struct data_file *df)
+{
+	char *file_id_str;
+	struct dentry *index_file_dentry;
+	struct path path;
+	struct file *bf;
+	struct data_file *result = NULL;
+	const struct cred *old_cred;
+
+	file_id_str = file_id_to_str(df->df_id);
+	if (!file_id_str)
+		return ERR_PTR(-ENOENT);
+
+	index_file_dentry = incfs_lookup_dentry(mi->mi_index_dir,
+						file_id_str);
+	kfree(file_id_str);
+	if (!index_file_dentry)
+		return ERR_PTR(-ENOENT);
+	if (IS_ERR(index_file_dentry))
+		return (struct data_file *)index_file_dentry;
+	if (!d_really_is_positive(index_file_dentry)) {
+		result = ERR_PTR(-ENOENT);
+		goto out;
+	}
+
+	path = (struct path) {
+		.mnt = mi->mi_backing_dir_path.mnt,
+		.dentry = index_file_dentry
+	};
+
+	old_cred = override_creds(mi->mi_owner);
+	bf = dentry_open(&path, O_RDWR | O_NOATIME | O_LARGEFILE,
+			 current_cred());
+	revert_creds(old_cred);
+
+	if (IS_ERR(bf)) {
+		result = (struct data_file *)bf;
+		goto out;
+	}
+
+	result = incfs_open_data_file(mi, bf);
+	fput(bf);
+	if (IS_ERR(result))
+		goto out;
+
+	result->df_mapped_offset = df->df_metadata_off;
+
+out:
+	dput(index_file_dentry);
+	return result;
+}
+
+struct data_file *incfs_open_data_file(struct mount_info *mi, struct file *bf)
+{
+	struct data_file *df = NULL;
+	struct backing_file_context *bfc = NULL;
+	int md_records;
+	u64 size;
+	int error = 0;
+	int i;
+
+	if (!bf || !mi)
+		return ERR_PTR(-EFAULT);
+
+	if (!S_ISREG(bf->f_inode->i_mode))
+		return ERR_PTR(-EBADF);
+
+	bfc = incfs_alloc_bfc(mi, bf);
+	if (IS_ERR(bfc))
+		return ERR_CAST(bfc);
+
+	df = kzalloc(sizeof(*df), GFP_NOFS);
+	if (!df) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	mutex_init(&df->df_enable_verity);
+
+	df->df_backing_file_context = bfc;
+	df->df_mount_info = mi;
+	for (i = 0; i < ARRAY_SIZE(df->df_segments); i++)
+		data_file_segment_init(&df->df_segments[i]);
+
+	error = incfs_read_file_header(bfc, &df->df_metadata_off, &df->df_id,
+				       &size, &df->df_header_flags);
+
+	if (error)
+		goto out;
+
+	df->df_size = size;
+	if (size > 0)
+		df->df_data_block_count = get_blocks_count_for_size(size);
+
+	if (df->df_header_flags & INCFS_FILE_MAPPED) {
+		struct data_file *mapped_df = handle_mapped_file(mi, df);
+
+		incfs_free_data_file(df);
+		return mapped_df;
+	}
+
+	md_records = incfs_scan_metadata_chain(df);
+	if (md_records < 0)
+		error = md_records;
+
+out:
+	if (error) {
+		incfs_free_bfc(bfc);
+		if (df)
+			df->df_backing_file_context = NULL;
+		incfs_free_data_file(df);
+		return ERR_PTR(error);
+	}
+	return df;
+}
+
+void incfs_free_data_file(struct data_file *df)
+{
+	u32 data_blocks_written, hash_blocks_written;
+
+	if (!df)
+		return;
+
+	data_blocks_written = atomic_read(&df->df_data_blocks_written);
+	hash_blocks_written = atomic_read(&df->df_hash_blocks_written);
+
+	if (data_blocks_written != df->df_initial_data_blocks_written ||
+	    hash_blocks_written != df->df_initial_hash_blocks_written) {
+		struct backing_file_context *bfc = df->df_backing_file_context;
+		int error = -1;
+
+		if (bfc && !mutex_lock_interruptible(&bfc->bc_mutex)) {
+			error = incfs_write_status_to_backing_file(
+						df->df_backing_file_context,
+						df->df_status_offset,
+						data_blocks_written,
+						hash_blocks_written);
+			mutex_unlock(&bfc->bc_mutex);
+		}
+
+		if (error)
+			/* Nothing can be done, just warn */
+			pr_warn("incfs: failed to write status to backing file\n");
+	}
+
+	incfs_free_mtree(df->df_hash_tree);
+	incfs_free_bfc(df->df_backing_file_context);
+	kfree(df->df_signature);
+	kfree(df->df_verity_file_digest.data);
+	kfree(df->df_verity_signature);
+	mutex_destroy(&df->df_enable_verity);
+	kfree(df);
+}
+
+int make_inode_ready_for_data_ops(struct mount_info *mi,
+				struct inode *inode,
+				struct file *backing_file)
+{
+	struct inode_info *node = get_incfs_node(inode);
+	struct data_file *df = NULL;
+	int err = 0;
+
+	inode_lock(inode);
+	if (S_ISREG(inode->i_mode)) {
+		if (!node->n_file) {
+			df = incfs_open_data_file(mi, backing_file);
+
+			if (IS_ERR(df))
+				err = PTR_ERR(df);
+			else
+				node->n_file = df;
+		}
+	} else
+		err = -EBADF;
+	inode_unlock(inode);
+	return err;
+}
+
+struct dir_file *incfs_open_dir_file(struct mount_info *mi, struct file *bf)
+{
+	struct dir_file *dir = NULL;
+
+	if (!S_ISDIR(bf->f_inode->i_mode))
+		return ERR_PTR(-EBADF);
+
+	dir = kzalloc(sizeof(*dir), GFP_NOFS);
+	if (!dir)
+		return ERR_PTR(-ENOMEM);
+
+	dir->backing_dir = get_file(bf);
+	dir->mount_info = mi;
+	return dir;
+}
+
+void incfs_free_dir_file(struct dir_file *dir)
+{
+	if (!dir)
+		return;
+	if (dir->backing_dir)
+		fput(dir->backing_dir);
+	kfree(dir);
+}
+
+static ssize_t zstd_decompress_safe(struct mount_info *mi,
+				    struct mem_range src, struct mem_range dst)
+{
+	ssize_t result;
+	ZSTD_inBuffer inbuf = {.src = src.data,	.size = src.len};
+	ZSTD_outBuffer outbuf = {.dst = dst.data, .size = dst.len};
+
+	result = mutex_lock_interruptible(&mi->mi_zstd_workspace_mutex);
+	if (result)
+		return result;
+
+	if (!mi->mi_zstd_stream) {
+		unsigned int workspace_size = ZSTD_DStreamWorkspaceBound(
+						INCFS_DATA_FILE_BLOCK_SIZE);
+		void *workspace = kvmalloc(workspace_size, GFP_NOFS);
+		ZSTD_DStream *stream;
+
+		if (!workspace) {
+			result = -ENOMEM;
+			goto out;
+		}
+
+		stream = ZSTD_initDStream(INCFS_DATA_FILE_BLOCK_SIZE, workspace,
+				  workspace_size);
+		if (!stream) {
+			kvfree(workspace);
+			result = -EIO;
+			goto out;
+		}
+
+		mi->mi_zstd_workspace = workspace;
+		mi->mi_zstd_stream = stream;
+	}
+
+	result = ZSTD_decompressStream(mi->mi_zstd_stream, &outbuf, &inbuf) ?
+		-EBADMSG : outbuf.pos;
+
+	mod_delayed_work(system_wq, &mi->mi_zstd_cleanup_work,
+			 msecs_to_jiffies(5000));
+
+out:
+	mutex_unlock(&mi->mi_zstd_workspace_mutex);
+	return result;
+}
+
+static ssize_t decompress(struct mount_info *mi,
+			  struct mem_range src, struct mem_range dst, int alg)
+{
+	int result;
+
+	switch (alg) {
+	case INCFS_BLOCK_COMPRESSED_LZ4:
+		result = LZ4_decompress_safe(src.data, dst.data, src.len,
+					     dst.len);
+		if (result < 0)
+			return -EBADMSG;
+		return result;
+
+	case INCFS_BLOCK_COMPRESSED_ZSTD:
+		return zstd_decompress_safe(mi, src, dst);
+
+	default:
+		WARN_ON(true);
+		return -EOPNOTSUPP;
+	}
+}
+
+static void log_read_one_record(struct read_log *rl, struct read_log_state *rs)
+{
+	union log_record *record =
+		(union log_record *)((u8 *)rl->rl_ring_buf + rs->next_offset);
+	size_t record_size;
+
+	switch (record->full_record.type) {
+	case FULL:
+		rs->base_record = record->full_record;
+		record_size = sizeof(record->full_record);
+		break;
+
+	case SAME_FILE:
+		rs->base_record.block_index =
+			record->same_file.block_index;
+		rs->base_record.absolute_ts_us +=
+			record->same_file.relative_ts_us;
+		rs->base_record.uid = record->same_file.uid;
+		record_size = sizeof(record->same_file);
+		break;
+
+	case SAME_FILE_CLOSE_BLOCK:
+		rs->base_record.block_index +=
+			record->same_file_close_block.block_index_delta;
+		rs->base_record.absolute_ts_us +=
+			record->same_file_close_block.relative_ts_us;
+		record_size = sizeof(record->same_file_close_block);
+		break;
+
+	case SAME_FILE_CLOSE_BLOCK_SHORT:
+		rs->base_record.block_index +=
+			record->same_file_close_block_short.block_index_delta;
+		rs->base_record.absolute_ts_us +=
+		   record->same_file_close_block_short.relative_ts_tens_us * 10;
+		record_size = sizeof(record->same_file_close_block_short);
+		break;
+
+	case SAME_FILE_NEXT_BLOCK:
+		++rs->base_record.block_index;
+		rs->base_record.absolute_ts_us +=
+			record->same_file_next_block.relative_ts_us;
+		record_size = sizeof(record->same_file_next_block);
+		break;
+
+	case SAME_FILE_NEXT_BLOCK_SHORT:
+		++rs->base_record.block_index;
+		rs->base_record.absolute_ts_us +=
+		    record->same_file_next_block_short.relative_ts_tens_us * 10;
+		record_size = sizeof(record->same_file_next_block_short);
+		break;
+	}
+
+	rs->next_offset += record_size;
+	if (rs->next_offset > rl->rl_size - sizeof(*record)) {
+		rs->next_offset = 0;
+		++rs->current_pass_no;
+	}
+	++rs->current_record_no;
+}
+
+static void log_block_read(struct mount_info *mi, incfs_uuid_t *id,
+			   int block_index)
+{
+	struct read_log *log = &mi->mi_log;
+	struct read_log_state *head, *tail;
+	s64 now_us;
+	s64 relative_us;
+	union log_record record;
+	size_t record_size;
+	uid_t uid = current_uid().val;
+	int block_delta;
+	bool same_file, same_uid;
+	bool next_block, close_block, very_close_block;
+	bool close_time, very_close_time, very_very_close_time;
+
+	/*
+	 * This may read the old value, but it's OK to delay the logging start
+	 * right after the configuration update.
+	 */
+	if (READ_ONCE(log->rl_size) == 0)
+		return;
+
+	now_us = ktime_to_us(ktime_get());
+
+	spin_lock(&log->rl_lock);
+	if (log->rl_size == 0) {
+		spin_unlock(&log->rl_lock);
+		return;
+	}
+
+	head = &log->rl_head;
+	tail = &log->rl_tail;
+	relative_us = now_us - head->base_record.absolute_ts_us;
+
+	same_file = !memcmp(id, &head->base_record.file_id,
+			    sizeof(incfs_uuid_t));
+	same_uid = uid == head->base_record.uid;
+
+	block_delta = block_index - head->base_record.block_index;
+	next_block = block_delta == 1;
+	very_close_block = block_delta >= S8_MIN && block_delta <= S8_MAX;
+	close_block = block_delta >= S16_MIN && block_delta <= S16_MAX;
+
+	very_very_close_time = relative_us < (1 << 5) * 10;
+	very_close_time = relative_us < (1 << 13);
+	close_time = relative_us < (1 << 16);
+
+	if (same_file && same_uid && next_block && very_very_close_time) {
+		record.same_file_next_block_short =
+			(struct same_file_next_block_short){
+				.type = SAME_FILE_NEXT_BLOCK_SHORT,
+				.relative_ts_tens_us = div_s64(relative_us, 10),
+			};
+		record_size = sizeof(struct same_file_next_block_short);
+	} else if (same_file && same_uid && next_block && very_close_time) {
+		record.same_file_next_block = (struct same_file_next_block){
+			.type = SAME_FILE_NEXT_BLOCK,
+			.relative_ts_us = relative_us,
+		};
+		record_size = sizeof(struct same_file_next_block);
+	} else if (same_file && same_uid && very_close_block &&
+		   very_very_close_time) {
+		record.same_file_close_block_short =
+			(struct same_file_close_block_short){
+				.type = SAME_FILE_CLOSE_BLOCK_SHORT,
+				.relative_ts_tens_us = div_s64(relative_us, 10),
+				.block_index_delta = block_delta,
+			};
+		record_size = sizeof(struct same_file_close_block_short);
+	} else if (same_file && same_uid && close_block && very_close_time) {
+		record.same_file_close_block = (struct same_file_close_block){
+				.type = SAME_FILE_CLOSE_BLOCK,
+				.relative_ts_us = relative_us,
+				.block_index_delta = block_delta,
+			};
+		record_size = sizeof(struct same_file_close_block);
+	} else if (same_file && close_time) {
+		record.same_file = (struct same_file){
+			.type = SAME_FILE,
+			.block_index = block_index,
+			.relative_ts_us = relative_us,
+			.uid = uid,
+		};
+		record_size = sizeof(struct same_file);
+	} else {
+		record.full_record = (struct full_record){
+			.type = FULL,
+			.block_index = block_index,
+			.file_id = *id,
+			.absolute_ts_us = now_us,
+			.uid = uid,
+		};
+		head->base_record.file_id = *id;
+		record_size = sizeof(struct full_record);
+	}
+
+	head->base_record.block_index = block_index;
+	head->base_record.absolute_ts_us = now_us;
+
+	/* Advance tail beyond area we are going to overwrite */
+	while (tail->current_pass_no < head->current_pass_no &&
+	       tail->next_offset < head->next_offset + record_size)
+		log_read_one_record(log, tail);
+
+	memcpy(((u8 *)log->rl_ring_buf) + head->next_offset, &record,
+	       record_size);
+	head->next_offset += record_size;
+	if (head->next_offset > log->rl_size - sizeof(record)) {
+		head->next_offset = 0;
+		++head->current_pass_no;
+	}
+	++head->current_record_no;
+
+	spin_unlock(&log->rl_lock);
+	schedule_delayed_work(&log->ml_wakeup_work, msecs_to_jiffies(16));
+}
+
+static int validate_hash_tree(struct backing_file_context *bfc, struct file *f,
+			      int block_index, struct mem_range data, u8 *buf)
+{
+	struct data_file *df = get_incfs_data_file(f);
+	u8 stored_digest[INCFS_MAX_HASH_SIZE] = {};
+	u8 calculated_digest[INCFS_MAX_HASH_SIZE] = {};
+	struct mtree *tree = NULL;
+	struct incfs_df_signature *sig = NULL;
+	int digest_size;
+	int hash_block_index = block_index;
+	int lvl;
+	int res;
+	loff_t hash_block_offset[INCFS_MAX_MTREE_LEVELS];
+	size_t hash_offset_in_block[INCFS_MAX_MTREE_LEVELS];
+	int hash_per_block;
+	pgoff_t file_pages;
+
+	/*
+	 * Memory barrier to make sure tree is fully present if added via enable
+	 * verity
+	 */
+	tree = smp_load_acquire(&df->df_hash_tree);
+	sig = df->df_signature;
+	if (!tree || !sig)
+		return 0;
+
+	digest_size = tree->alg->digest_size;
+	hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+	for (lvl = 0; lvl < tree->depth; lvl++) {
+		loff_t lvl_off = tree->hash_level_suboffset[lvl];
+
+		hash_block_offset[lvl] =
+			lvl_off + round_down(hash_block_index * digest_size,
+					     INCFS_DATA_FILE_BLOCK_SIZE);
+		hash_offset_in_block[lvl] = hash_block_index * digest_size %
+					    INCFS_DATA_FILE_BLOCK_SIZE;
+		hash_block_index /= hash_per_block;
+	}
+
+	memcpy(stored_digest, tree->root_hash, digest_size);
+
+	file_pages = DIV_ROUND_UP(df->df_size, INCFS_DATA_FILE_BLOCK_SIZE);
+	for (lvl = tree->depth - 1; lvl >= 0; lvl--) {
+		pgoff_t hash_page =
+			file_pages +
+			hash_block_offset[lvl] / INCFS_DATA_FILE_BLOCK_SIZE;
+		struct page *page = find_get_page_flags(
+			f->f_inode->i_mapping, hash_page, FGP_ACCESSED);
+
+		if (page && PageChecked(page)) {
+			u8 *addr = kmap_atomic(page);
+
+			memcpy(stored_digest, addr + hash_offset_in_block[lvl],
+			       digest_size);
+			kunmap_atomic(addr);
+			put_page(page);
+			continue;
+		}
+
+		if (page)
+			put_page(page);
+
+		res = incfs_kread(bfc, buf, INCFS_DATA_FILE_BLOCK_SIZE,
+				  hash_block_offset[lvl] + sig->hash_offset);
+		if (res < 0)
+			return res;
+		if (res != INCFS_DATA_FILE_BLOCK_SIZE)
+			return -EIO;
+		res = incfs_calc_digest(tree->alg,
+					range(buf, INCFS_DATA_FILE_BLOCK_SIZE),
+					range(calculated_digest, digest_size));
+		if (res)
+			return res;
+
+		if (memcmp(stored_digest, calculated_digest, digest_size)) {
+			int i;
+			bool zero = true;
+
+			pr_warn("incfs: Hash mismatch lvl:%d blk:%d\n",
+				lvl, block_index);
+			for (i = 0; i < digest_size; i++)
+				if (stored_digest[i]) {
+					zero = false;
+					break;
+				}
+
+			if (zero)
+				pr_debug("Note saved_digest all zero - did you forget to load the hashes?\n");
+			return -EBADMSG;
+		}
+
+		memcpy(stored_digest, buf + hash_offset_in_block[lvl],
+		       digest_size);
+
+		page = grab_cache_page(f->f_inode->i_mapping, hash_page);
+		if (page) {
+			u8 *addr = kmap_atomic(page);
+
+			memcpy(addr, buf, INCFS_DATA_FILE_BLOCK_SIZE);
+			kunmap_atomic(addr);
+			SetPageChecked(page);
+			unlock_page(page);
+			put_page(page);
+		}
+	}
+
+	res = incfs_calc_digest(tree->alg, data,
+				range(calculated_digest, digest_size));
+	if (res)
+		return res;
+
+	if (memcmp(stored_digest, calculated_digest, digest_size)) {
+		pr_debug("Leaf hash mismatch blk:%d\n", block_index);
+		return -EBADMSG;
+	}
+
+	return 0;
+}
+
+static struct data_file_segment *get_file_segment(struct data_file *df,
+						  int block_index)
+{
+	int seg_idx = block_index % ARRAY_SIZE(df->df_segments);
+
+	return &df->df_segments[seg_idx];
+}
+
+static bool is_data_block_present(struct data_file_block *block)
+{
+	return (block->db_backing_file_data_offset != 0) &&
+	       (block->db_stored_size != 0);
+}
+
+static void convert_data_file_block(struct incfs_blockmap_entry *bme,
+				    struct data_file_block *res_block)
+{
+	u16 flags = le16_to_cpu(bme->me_flags);
+
+	res_block->db_backing_file_data_offset =
+		le16_to_cpu(bme->me_data_offset_hi);
+	res_block->db_backing_file_data_offset <<= 32;
+	res_block->db_backing_file_data_offset |=
+		le32_to_cpu(bme->me_data_offset_lo);
+	res_block->db_stored_size = le16_to_cpu(bme->me_data_size);
+	res_block->db_comp_alg = flags & INCFS_BLOCK_COMPRESSED_MASK;
+}
+
+static int get_data_file_block(struct data_file *df, int index,
+			       struct data_file_block *res_block)
+{
+	struct incfs_blockmap_entry bme = {};
+	struct backing_file_context *bfc = NULL;
+	loff_t blockmap_off = 0;
+	int error = 0;
+
+	if (!df || !res_block)
+		return -EFAULT;
+
+	blockmap_off = df->df_blockmap_off;
+	bfc = df->df_backing_file_context;
+
+	if (index < 0 || blockmap_off == 0)
+		return -EINVAL;
+
+	error = incfs_read_blockmap_entry(bfc, index, blockmap_off, &bme);
+	if (error)
+		return error;
+
+	convert_data_file_block(&bme, res_block);
+	return 0;
+}
+
+static int check_room_for_one_range(u32 size, u32 size_out)
+{
+	if (size_out + sizeof(struct incfs_filled_range) > size)
+		return -ERANGE;
+	return 0;
+}
+
+static int copy_one_range(struct incfs_filled_range *range, void __user *buffer,
+			  u32 size, u32 *size_out)
+{
+	int error = check_room_for_one_range(size, *size_out);
+	if (error)
+		return error;
+
+	if (copy_to_user(((char __user *)buffer) + *size_out, range,
+				sizeof(*range)))
+		return -EFAULT;
+
+	*size_out += sizeof(*range);
+	return 0;
+}
+
+#define READ_BLOCKMAP_ENTRIES 512
+int incfs_get_filled_blocks(struct data_file *df,
+			    struct incfs_file_data *fd,
+			    struct incfs_get_filled_blocks_args *arg)
+{
+	int error = 0;
+	bool in_range = false;
+	struct incfs_filled_range range;
+	void __user *buffer = u64_to_user_ptr(arg->range_buffer);
+	u32 size = arg->range_buffer_size;
+	u32 end_index =
+		arg->end_index ? arg->end_index : df->df_total_block_count;
+	u32 *size_out = &arg->range_buffer_size_out;
+	int i = READ_BLOCKMAP_ENTRIES - 1;
+	int entries_read = 0;
+	struct incfs_blockmap_entry *bme;
+	int data_blocks_filled = 0;
+	int hash_blocks_filled = 0;
+
+	*size_out = 0;
+	if (end_index > df->df_total_block_count)
+		end_index = df->df_total_block_count;
+	arg->total_blocks_out = df->df_total_block_count;
+	arg->data_blocks_out = df->df_data_block_count;
+
+	if (atomic_read(&df->df_data_blocks_written) ==
+	    df->df_data_block_count) {
+		pr_debug("File marked full, fast get_filled_blocks");
+		if (arg->start_index > end_index) {
+			arg->index_out = arg->start_index;
+			return 0;
+		}
+		arg->index_out = arg->start_index;
+
+		error = check_room_for_one_range(size, *size_out);
+		if (error)
+			return error;
+
+		range = (struct incfs_filled_range){
+			.begin = arg->start_index,
+			.end = end_index,
+		};
+
+		error = copy_one_range(&range, buffer, size, size_out);
+		if (error)
+			return error;
+		arg->index_out = end_index;
+		return 0;
+	}
+
+	bme = kzalloc(sizeof(*bme) * READ_BLOCKMAP_ENTRIES,
+		      GFP_NOFS | __GFP_COMP);
+	if (!bme)
+		return -ENOMEM;
+
+	for (arg->index_out = arg->start_index; arg->index_out < end_index;
+	     ++arg->index_out) {
+		struct data_file_block dfb;
+
+		if (++i == READ_BLOCKMAP_ENTRIES) {
+			entries_read = incfs_read_blockmap_entries(
+				df->df_backing_file_context, bme,
+				arg->index_out, READ_BLOCKMAP_ENTRIES,
+				df->df_blockmap_off);
+			if (entries_read < 0) {
+				error = entries_read;
+				break;
+			}
+
+			i = 0;
+		}
+
+		if (i >= entries_read) {
+			error = -EIO;
+			break;
+		}
+
+		convert_data_file_block(bme + i, &dfb);
+
+		if (is_data_block_present(&dfb)) {
+			if (arg->index_out >= df->df_data_block_count)
+				++hash_blocks_filled;
+			else
+				++data_blocks_filled;
+		}
+
+		if (is_data_block_present(&dfb) == in_range)
+			continue;
+
+		if (!in_range) {
+			error = check_room_for_one_range(size, *size_out);
+			if (error)
+				break;
+			in_range = true;
+			range.begin = arg->index_out;
+		} else {
+			range.end = arg->index_out;
+			error = copy_one_range(&range, buffer, size, size_out);
+			if (error) {
+				/* there will be another try out of the loop,
+				 * it will reset the index_out if it fails too
+				 */
+				break;
+			}
+			in_range = false;
+		}
+	}
+
+	if (in_range) {
+		range.end = arg->index_out;
+		error = copy_one_range(&range, buffer, size, size_out);
+		if (error)
+			arg->index_out = range.begin;
+	}
+
+	if (arg->start_index == 0) {
+		fd->fd_get_block_pos = 0;
+		fd->fd_filled_data_blocks = 0;
+		fd->fd_filled_hash_blocks = 0;
+	}
+
+	if (arg->start_index == fd->fd_get_block_pos) {
+		fd->fd_get_block_pos = arg->index_out + 1;
+		fd->fd_filled_data_blocks += data_blocks_filled;
+		fd->fd_filled_hash_blocks += hash_blocks_filled;
+	}
+
+	if (fd->fd_get_block_pos == df->df_total_block_count + 1) {
+		if (fd->fd_filled_data_blocks >
+		   atomic_read(&df->df_data_blocks_written))
+			atomic_set(&df->df_data_blocks_written,
+				   fd->fd_filled_data_blocks);
+
+		if (fd->fd_filled_hash_blocks >
+		   atomic_read(&df->df_hash_blocks_written))
+			atomic_set(&df->df_hash_blocks_written,
+				   fd->fd_filled_hash_blocks);
+	}
+
+	kfree(bme);
+	return error;
+}
+
+static bool is_read_done(struct pending_read *read)
+{
+	return atomic_read_acquire(&read->done) != 0;
+}
+
+static void set_read_done(struct pending_read *read)
+{
+	atomic_set_release(&read->done, 1);
+}
+
+/*
+ * Notifies a given data file about pending read from a given block.
+ * Returns a new pending read entry.
+ */
+static struct pending_read *add_pending_read(struct data_file *df,
+					     int block_index)
+{
+	struct pending_read *result = NULL;
+	struct data_file_segment *segment = NULL;
+	struct mount_info *mi = NULL;
+
+	segment = get_file_segment(df, block_index);
+	mi = df->df_mount_info;
+
+	result = kzalloc(sizeof(*result), GFP_NOFS);
+	if (!result)
+		return NULL;
+
+	result->file_id = df->df_id;
+	result->block_index = block_index;
+	result->timestamp_us = ktime_to_us(ktime_get());
+	result->uid = current_uid().val;
+
+	spin_lock(&mi->pending_read_lock);
+
+	result->serial_number = ++mi->mi_last_pending_read_number;
+	mi->mi_pending_reads_count++;
+
+	list_add_rcu(&result->mi_reads_list, &mi->mi_reads_list_head);
+	list_add_rcu(&result->segment_reads_list, &segment->reads_list_head);
+
+	spin_unlock(&mi->pending_read_lock);
+
+	wake_up_all(&mi->mi_pending_reads_notif_wq);
+	return result;
+}
+
+static void free_pending_read_entry(struct rcu_head *entry)
+{
+	struct pending_read *read;
+
+	read = container_of(entry, struct pending_read, rcu);
+
+	kfree(read);
+}
+
+/* Notifies a given data file that pending read is completed. */
+static void remove_pending_read(struct data_file *df, struct pending_read *read)
+{
+	struct mount_info *mi = NULL;
+
+	if (!df || !read) {
+		WARN_ON(!df);
+		WARN_ON(!read);
+		return;
+	}
+
+	mi = df->df_mount_info;
+
+	spin_lock(&mi->pending_read_lock);
+
+	list_del_rcu(&read->mi_reads_list);
+	list_del_rcu(&read->segment_reads_list);
+
+	mi->mi_pending_reads_count--;
+
+	spin_unlock(&mi->pending_read_lock);
+
+	/* Don't free. Wait for readers */
+	call_rcu(&read->rcu, free_pending_read_entry);
+}
+
+static void notify_pending_reads(struct mount_info *mi,
+		struct data_file_segment *segment,
+		int index)
+{
+	struct pending_read *entry = NULL;
+
+	/* Notify pending reads waiting for this block. */
+	rcu_read_lock();
+	list_for_each_entry_rcu(entry, &segment->reads_list_head,
+						segment_reads_list) {
+		if (entry->block_index == index)
+			set_read_done(entry);
+	}
+	rcu_read_unlock();
+	wake_up_all(&segment->new_data_arrival_wq);
+
+	atomic_inc(&mi->mi_blocks_written);
+	wake_up_all(&mi->mi_blocks_written_notif_wq);
+}
+
+static int wait_for_data_block(struct data_file *df, int block_index,
+			       struct data_file_block *res_block,
+			       struct incfs_read_data_file_timeouts *timeouts,
+			       unsigned int *delayed_min_us)
+{
+	struct data_file_block block = {};
+	struct data_file_segment *segment = NULL;
+	struct pending_read *read = NULL;
+	struct mount_info *mi = NULL;
+	int error;
+	int wait_res = 0;
+	unsigned int delayed_pending_us = 0;
+	bool delayed_pending = false;
+
+	if (!df || !res_block)
+		return -EFAULT;
+
+	if (block_index < 0 || block_index >= df->df_data_block_count)
+		return -EINVAL;
+
+	if (df->df_blockmap_off <= 0 || !df->df_mount_info)
+		return -ENODATA;
+
+	mi = df->df_mount_info;
+	segment = get_file_segment(df, block_index);
+
+	error = down_read_killable(&segment->rwsem);
+	if (error)
+		return error;
+
+	/* Look up the given block */
+	error = get_data_file_block(df, block_index, &block);
+
+	up_read(&segment->rwsem);
+
+	if (error)
+		return error;
+
+	/* If the block was found, just return it. No need to wait. */
+	if (is_data_block_present(&block)) {
+		*res_block = block;
+		if (timeouts && timeouts->min_time_us) {
+			*delayed_min_us = timeouts->min_time_us;
+			goto out;
+		}
+		return 0;
+	} else {
+		/* If it's not found, create a pending read */
+		if (timeouts && timeouts->max_pending_time_us) {
+			read = add_pending_read(df, block_index);
+			if (!read)
+				return -ENOMEM;
+		} else {
+			log_block_read(mi, &df->df_id, block_index);
+			return -ETIME;
+		}
+	}
+
+	/* Rest of function only applies if timeouts != NULL */
+	if (!timeouts) {
+		pr_warn("incfs: timeouts unexpectedly NULL\n");
+		return -EFSCORRUPTED;
+	}
+
+	/* Wait for notifications about block's arrival */
+	wait_res =
+		wait_event_interruptible_timeout(segment->new_data_arrival_wq,
+			(is_read_done(read)),
+			usecs_to_jiffies(timeouts->max_pending_time_us));
+
+	/* Woke up, the pending read is no longer needed. */
+	remove_pending_read(df, read);
+
+	if (wait_res == 0) {
+		/* Wait has timed out */
+		log_block_read(mi, &df->df_id, block_index);
+		return -ETIME;
+	}
+	if (wait_res < 0) {
+		/*
+		 * Only ERESTARTSYS is really expected here when a signal
+		 * comes while we wait.
+		 */
+		return wait_res;
+	}
+
+	delayed_pending = true;
+	delayed_pending_us = timeouts->max_pending_time_us -
+				jiffies_to_usecs(wait_res);
+	if (timeouts->min_pending_time_us > delayed_pending_us)
+		*delayed_min_us = timeouts->min_pending_time_us -
+					     delayed_pending_us;
+
+	error = down_read_killable(&segment->rwsem);
+	if (error)
+		return error;
+
+	/*
+	 * Re-read blocks info now, it has just arrived and
+	 * should be available.
+	 */
+	error = get_data_file_block(df, block_index, &block);
+	if (!error) {
+		if (is_data_block_present(&block))
+			*res_block = block;
+		else {
+			/*
+			 * Somehow wait finished successfully but block still
+			 * can't be found. It's not normal.
+			 */
+			pr_warn("incfs: Wait succeeded but block not found.\n");
+			error = -ENODATA;
+		}
+	}
+	up_read(&segment->rwsem);
+
+out:
+	if (error)
+		return error;
+
+	if (delayed_pending) {
+		mi->mi_reads_delayed_pending++;
+		mi->mi_reads_delayed_pending_us +=
+			delayed_pending_us;
+	}
+
+	if (delayed_min_us && *delayed_min_us) {
+		mi->mi_reads_delayed_min++;
+		mi->mi_reads_delayed_min_us += *delayed_min_us;
+	}
+
+	return 0;
+}
+
+static int incfs_update_sysfs_error(struct file *file, int index, int result,
+				struct mount_info *mi, struct data_file *df)
+{
+	int error;
+
+	if (result >= 0)
+		return 0;
+
+	error = mutex_lock_interruptible(&mi->mi_le_mutex);
+	if (error)
+		return error;
+
+	mi->mi_le_file_id = df->df_id;
+	mi->mi_le_time_us = ktime_to_us(ktime_get());
+	mi->mi_le_page = index;
+	mi->mi_le_errno = result;
+	mi->mi_le_uid = current_uid().val;
+	mutex_unlock(&mi->mi_le_mutex);
+
+	return 0;
+}
+
+ssize_t incfs_read_data_file_block(struct mem_range dst, struct file *f,
+			int index, struct mem_range tmp,
+			struct incfs_read_data_file_timeouts *timeouts,
+			unsigned int *delayed_min_us)
+{
+	loff_t pos;
+	ssize_t result;
+	size_t bytes_to_read;
+	struct mount_info *mi = NULL;
+	struct backing_file_context *bfc = NULL;
+	struct data_file_block block = {};
+	struct data_file *df = get_incfs_data_file(f);
+
+	if (!dst.data || !df || !tmp.data)
+		return -EFAULT;
+
+	if (tmp.len < 2 * INCFS_DATA_FILE_BLOCK_SIZE)
+		return -ERANGE;
+
+	mi = df->df_mount_info;
+	bfc = df->df_backing_file_context;
+
+	result = wait_for_data_block(df, index, &block, timeouts,
+				     delayed_min_us);
+	if (result < 0)
+		goto out;
+
+	pos = block.db_backing_file_data_offset;
+	if (block.db_comp_alg == COMPRESSION_NONE) {
+		bytes_to_read = min(dst.len, block.db_stored_size);
+		result = incfs_kread(bfc, dst.data, bytes_to_read, pos);
+
+		/* Some data was read, but not enough */
+		if (result >= 0 && result != bytes_to_read)
+			result = -EIO;
+	} else {
+		bytes_to_read = min(tmp.len, block.db_stored_size);
+		result = incfs_kread(bfc, tmp.data, bytes_to_read, pos);
+		if (result == bytes_to_read) {
+			result =
+				decompress(mi, range(tmp.data, bytes_to_read),
+					   dst, block.db_comp_alg);
+			if (result < 0) {
+				const char *name =
+				    bfc->bc_file->f_path.dentry->d_name.name;
+
+				pr_warn_once("incfs: Decompression error. %s",
+					     name);
+			}
+		} else if (result >= 0) {
+			/* Some data was read, but not enough */
+			result = -EIO;
+		}
+	}
+
+	if (result > 0) {
+		int err = validate_hash_tree(bfc, f, index, dst, tmp.data);
+
+		if (err < 0)
+			result = err;
+	}
+
+	if (result >= 0)
+		log_block_read(mi, &df->df_id, index);
+
+out:
+	if (result == -ETIME)
+		mi->mi_reads_failed_timed_out++;
+	else if (result == -EBADMSG)
+		mi->mi_reads_failed_hash_verification++;
+	else if (result < 0)
+		mi->mi_reads_failed_other++;
+
+	incfs_update_sysfs_error(f, index, result, mi, df);
+
+	return result;
+}
+
+ssize_t incfs_read_merkle_tree_blocks(struct mem_range dst,
+				      struct data_file *df, size_t offset)
+{
+	struct backing_file_context *bfc = NULL;
+	struct incfs_df_signature *sig = NULL;
+	size_t to_read = dst.len;
+
+	if (!dst.data || !df)
+		return -EFAULT;
+
+	sig = df->df_signature;
+	bfc = df->df_backing_file_context;
+
+	if (offset > sig->hash_size)
+		return -ERANGE;
+
+	if (offset + to_read > sig->hash_size)
+		to_read = sig->hash_size - offset;
+
+	return incfs_kread(bfc, dst.data, to_read, sig->hash_offset + offset);
+}
+
+int incfs_process_new_data_block(struct data_file *df,
+				 struct incfs_fill_block *block, u8 *data,
+				 bool *complete)
+{
+	struct mount_info *mi = NULL;
+	struct backing_file_context *bfc = NULL;
+	struct data_file_segment *segment = NULL;
+	struct data_file_block existing_block = {};
+	u16 flags = 0;
+	int error = 0;
+
+	if (!df || !block)
+		return -EFAULT;
+
+	bfc = df->df_backing_file_context;
+	mi = df->df_mount_info;
+
+	if (block->block_index >= df->df_data_block_count)
+		return -ERANGE;
+
+	segment = get_file_segment(df, block->block_index);
+	if (!segment)
+		return -EFAULT;
+
+	if (block->compression == COMPRESSION_LZ4)
+		flags |= INCFS_BLOCK_COMPRESSED_LZ4;
+	else if (block->compression == COMPRESSION_ZSTD)
+		flags |= INCFS_BLOCK_COMPRESSED_ZSTD;
+	else if (block->compression)
+		return -EINVAL;
+
+	error = down_read_killable(&segment->rwsem);
+	if (error)
+		return error;
+
+	error = get_data_file_block(df, block->block_index, &existing_block);
+
+	up_read(&segment->rwsem);
+
+	if (error)
+		return error;
+	if (is_data_block_present(&existing_block))
+		/* Block is already present, nothing to do here */
+		return 0;
+
+	error = down_write_killable(&segment->rwsem);
+	if (error)
+		return error;
+
+	/* Recheck inside write lock */
+	error = get_data_file_block(df, block->block_index, &existing_block);
+	if (error)
+		goto out_up_write;
+
+	if (is_data_block_present(&existing_block))
+		goto out_up_write;
+
+	error = mutex_lock_interruptible(&bfc->bc_mutex);
+	if (error)
+		goto out_up_write;
+
+	error = incfs_write_data_block_to_backing_file(bfc,
+			range(data, block->data_len), block->block_index,
+			df->df_blockmap_off, flags);
+	if (error)
+		goto out_mutex_unlock;
+
+	if (atomic_inc_return(&df->df_data_blocks_written)
+			>= df->df_data_block_count)
+		*complete = true;
+
+out_mutex_unlock:
+	mutex_unlock(&bfc->bc_mutex);
+	if (!error)
+		notify_pending_reads(mi, segment, block->block_index);
+
+out_up_write:
+	up_write(&segment->rwsem);
+
+	if (error)
+		pr_debug("%d error: %d\n", block->block_index, error);
+	return error;
+}
+
+int incfs_read_file_signature(struct data_file *df, struct mem_range dst)
+{
+	struct backing_file_context *bfc = df->df_backing_file_context;
+	struct incfs_df_signature *sig;
+	int read_res = 0;
+
+	if (!dst.data)
+		return -EFAULT;
+
+	sig = df->df_signature;
+	if (!sig)
+		return 0;
+
+	if (dst.len < sig->sig_size)
+		return -E2BIG;
+
+	read_res = incfs_kread(bfc, dst.data, sig->sig_size, sig->sig_offset);
+
+	if (read_res < 0)
+		return read_res;
+
+	if (read_res != sig->sig_size)
+		return -EIO;
+
+	return read_res;
+}
+
+int incfs_process_new_hash_block(struct data_file *df,
+				 struct incfs_fill_block *block, u8 *data)
+{
+	struct backing_file_context *bfc = NULL;
+	struct mount_info *mi = NULL;
+	struct mtree *hash_tree = NULL;
+	struct incfs_df_signature *sig = NULL;
+	loff_t hash_area_base = 0;
+	loff_t hash_area_size = 0;
+	int error = 0;
+
+	if (!df || !block)
+		return -EFAULT;
+
+	if (!(block->flags & INCFS_BLOCK_FLAGS_HASH))
+		return -EINVAL;
+
+	bfc = df->df_backing_file_context;
+	mi = df->df_mount_info;
+
+	if (!df)
+		return -ENOENT;
+
+	hash_tree = df->df_hash_tree;
+	sig = df->df_signature;
+	if (!hash_tree || !sig || sig->hash_offset == 0)
+		return -ENOTSUPP;
+
+	hash_area_base = sig->hash_offset;
+	hash_area_size = sig->hash_size;
+	if (hash_area_size < block->block_index * INCFS_DATA_FILE_BLOCK_SIZE
+				+ block->data_len) {
+		/* Hash block goes beyond dedicated hash area of this file. */
+		return -ERANGE;
+	}
+
+	error = mutex_lock_interruptible(&bfc->bc_mutex);
+	if (!error) {
+		error = incfs_write_hash_block_to_backing_file(
+			bfc, range(data, block->data_len), block->block_index,
+			hash_area_base, df->df_blockmap_off, df->df_size);
+		mutex_unlock(&bfc->bc_mutex);
+	}
+	if (!error)
+		atomic_inc(&df->df_hash_blocks_written);
+
+	return error;
+}
+
+static int process_blockmap_md(struct incfs_blockmap *bm,
+			       struct metadata_handler *handler)
+{
+	struct data_file *df = handler->context;
+	int error = 0;
+	loff_t base_off = le64_to_cpu(bm->m_base_offset);
+	u32 block_count = le32_to_cpu(bm->m_block_count);
+
+	if (!df)
+		return -EFAULT;
+
+	if (df->df_data_block_count > block_count)
+		return -EBADMSG;
+
+	df->df_total_block_count = block_count;
+	df->df_blockmap_off = base_off;
+	return error;
+}
+
+static int process_file_signature_md(struct incfs_file_signature *sg,
+				struct metadata_handler *handler)
+{
+	struct data_file *df = handler->context;
+	struct mtree *hash_tree = NULL;
+	int error = 0;
+	struct incfs_df_signature *signature =
+		kzalloc(sizeof(*signature), GFP_NOFS);
+	void *buf = NULL;
+	ssize_t read;
+
+	if (!signature)
+		return -ENOMEM;
+
+	if (!df || !df->df_backing_file_context ||
+	    !df->df_backing_file_context->bc_file) {
+		error = -ENOENT;
+		goto out;
+	}
+
+	signature->hash_offset = le64_to_cpu(sg->sg_hash_tree_offset);
+	signature->hash_size = le32_to_cpu(sg->sg_hash_tree_size);
+	signature->sig_offset = le64_to_cpu(sg->sg_sig_offset);
+	signature->sig_size = le32_to_cpu(sg->sg_sig_size);
+
+	buf = kzalloc(signature->sig_size, GFP_NOFS);
+	if (!buf) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	read = incfs_kread(df->df_backing_file_context, buf,
+			   signature->sig_size, signature->sig_offset);
+	if (read < 0) {
+		error = read;
+		goto out;
+	}
+
+	if (read != signature->sig_size) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	hash_tree = incfs_alloc_mtree(range(buf, signature->sig_size),
+				      df->df_data_block_count);
+	if (IS_ERR(hash_tree)) {
+		error = PTR_ERR(hash_tree);
+		hash_tree = NULL;
+		goto out;
+	}
+	if (hash_tree->hash_tree_area_size != signature->hash_size) {
+		error = -EINVAL;
+		goto out;
+	}
+	if (signature->hash_size > 0 &&
+	    handler->md_record_offset <= signature->hash_offset) {
+		error = -EINVAL;
+		goto out;
+	}
+	if (handler->md_record_offset <= signature->sig_offset) {
+		error = -EINVAL;
+		goto out;
+	}
+	df->df_hash_tree = hash_tree;
+	hash_tree = NULL;
+	df->df_signature = signature;
+	signature = NULL;
+out:
+	incfs_free_mtree(hash_tree);
+	kfree(signature);
+	kfree(buf);
+
+	return error;
+}
+
+static int process_status_md(struct incfs_status *is,
+			     struct metadata_handler *handler)
+{
+	struct data_file *df = handler->context;
+
+	df->df_initial_data_blocks_written =
+		le32_to_cpu(is->is_data_blocks_written);
+	atomic_set(&df->df_data_blocks_written,
+		   df->df_initial_data_blocks_written);
+
+	df->df_initial_hash_blocks_written =
+		le32_to_cpu(is->is_hash_blocks_written);
+	atomic_set(&df->df_hash_blocks_written,
+		   df->df_initial_hash_blocks_written);
+
+	df->df_status_offset = handler->md_record_offset;
+	return 0;
+}
+
+static int process_file_verity_signature_md(
+		struct incfs_file_verity_signature *vs,
+		struct metadata_handler *handler)
+{
+	struct data_file *df = handler->context;
+	struct incfs_df_verity_signature *verity_signature;
+
+	if (!df)
+		return -EFAULT;
+
+	verity_signature = kzalloc(sizeof(*verity_signature), GFP_NOFS);
+	if (!verity_signature)
+		return -ENOMEM;
+
+	verity_signature->offset = le64_to_cpu(vs->vs_offset);
+	verity_signature->size = le32_to_cpu(vs->vs_size);
+	if (verity_signature->size > FS_VERITY_MAX_SIGNATURE_SIZE) {
+		kfree(verity_signature);
+		return -EFAULT;
+	}
+
+	df->df_verity_signature = verity_signature;
+	return 0;
+}
+
+static int incfs_scan_metadata_chain(struct data_file *df)
+{
+	struct metadata_handler *handler = NULL;
+	int result = 0;
+	int records_count = 0;
+	int error = 0;
+	struct backing_file_context *bfc = NULL;
+	int nondata_block_count;
+
+	if (!df || !df->df_backing_file_context)
+		return -EFAULT;
+
+	bfc = df->df_backing_file_context;
+
+	handler = kzalloc(sizeof(*handler), GFP_NOFS);
+	if (!handler)
+		return -ENOMEM;
+
+	handler->md_record_offset = df->df_metadata_off;
+	handler->context = df;
+	handler->handle_blockmap = process_blockmap_md;
+	handler->handle_signature = process_file_signature_md;
+	handler->handle_status = process_status_md;
+	handler->handle_verity_signature = process_file_verity_signature_md;
+
+	while (handler->md_record_offset > 0) {
+		error = incfs_read_next_metadata_record(bfc, handler);
+		if (error) {
+			pr_warn("incfs: Error during reading incfs-metadata record. Offset: %lld Record #%d Error code: %d\n",
+				handler->md_record_offset, records_count + 1,
+				-error);
+			break;
+		}
+		records_count++;
+	}
+	if (error) {
+		pr_warn("incfs: Error %d after reading %d incfs-metadata records.\n",
+			 -error, records_count);
+		result = error;
+	} else
+		result = records_count;
+
+	nondata_block_count = df->df_total_block_count -
+		df->df_data_block_count;
+	if (df->df_hash_tree) {
+		int hash_block_count = get_blocks_count_for_size(
+			df->df_hash_tree->hash_tree_area_size);
+
+		/*
+		 * Files that were created with a hash tree have the hash tree
+		 * included in the block map, i.e. nondata_block_count ==
+		 * hash_block_count.  Files whose hash tree was added by
+		 * FS_IOC_ENABLE_VERITY will still have the original block
+		 * count, i.e. nondata_block_count == 0.
+		 */
+		if (nondata_block_count != hash_block_count &&
+		    nondata_block_count != 0)
+			result = -EINVAL;
+	} else if (nondata_block_count != 0) {
+		result = -EINVAL;
+	}
+
+	kfree(handler);
+	return result;
+}
+
+/*
+ * Quickly checks if there are pending reads with a serial number larger
+ * than a given one.
+ */
+bool incfs_fresh_pending_reads_exist(struct mount_info *mi, int last_number)
+{
+	bool result = false;
+
+	spin_lock(&mi->pending_read_lock);
+	result = (mi->mi_last_pending_read_number > last_number) &&
+		(mi->mi_pending_reads_count > 0);
+	spin_unlock(&mi->pending_read_lock);
+	return result;
+}
+
+int incfs_collect_pending_reads(struct mount_info *mi, int sn_lowerbound,
+				struct incfs_pending_read_info *reads,
+				struct incfs_pending_read_info2 *reads2,
+				int reads_size, int *new_max_sn)
+{
+	int reported_reads = 0;
+	struct pending_read *entry = NULL;
+
+	if (!mi)
+		return -EFAULT;
+
+	if (reads_size <= 0)
+		return 0;
+
+	if (!incfs_fresh_pending_reads_exist(mi, sn_lowerbound))
+		return 0;
+
+	rcu_read_lock();
+
+	list_for_each_entry_rcu(entry, &mi->mi_reads_list_head, mi_reads_list) {
+		if (entry->serial_number <= sn_lowerbound)
+			continue;
+
+		if (reads) {
+			reads[reported_reads].file_id = entry->file_id;
+			reads[reported_reads].block_index = entry->block_index;
+			reads[reported_reads].serial_number =
+				entry->serial_number;
+			reads[reported_reads].timestamp_us =
+				entry->timestamp_us;
+		}
+
+		if (reads2) {
+			reads2[reported_reads].file_id = entry->file_id;
+			reads2[reported_reads].block_index = entry->block_index;
+			reads2[reported_reads].serial_number =
+				entry->serial_number;
+			reads2[reported_reads].timestamp_us =
+				entry->timestamp_us;
+			reads2[reported_reads].uid = entry->uid;
+		}
+
+		if (entry->serial_number > *new_max_sn)
+			*new_max_sn = entry->serial_number;
+
+		reported_reads++;
+		if (reported_reads >= reads_size)
+			break;
+	}
+
+	rcu_read_unlock();
+
+	return reported_reads;
+}
+
+struct read_log_state incfs_get_log_state(struct mount_info *mi)
+{
+	struct read_log *log = &mi->mi_log;
+	struct read_log_state result;
+
+	spin_lock(&log->rl_lock);
+	result = log->rl_head;
+	spin_unlock(&log->rl_lock);
+	return result;
+}
+
+int incfs_get_uncollected_logs_count(struct mount_info *mi,
+				     const struct read_log_state *state)
+{
+	struct read_log *log = &mi->mi_log;
+	u32 generation;
+	u64 head_no, tail_no;
+
+	spin_lock(&log->rl_lock);
+	tail_no = log->rl_tail.current_record_no;
+	head_no = log->rl_head.current_record_no;
+	generation = log->rl_head.generation_id;
+	spin_unlock(&log->rl_lock);
+
+	if (generation != state->generation_id)
+		return head_no - tail_no;
+	else
+		return head_no - max_t(u64, tail_no, state->current_record_no);
+}
+
+int incfs_collect_logged_reads(struct mount_info *mi,
+			       struct read_log_state *state,
+			       struct incfs_pending_read_info *reads,
+			       struct incfs_pending_read_info2 *reads2,
+			       int reads_size)
+{
+	int dst_idx;
+	struct read_log *log = &mi->mi_log;
+	struct read_log_state *head, *tail;
+
+	spin_lock(&log->rl_lock);
+	head = &log->rl_head;
+	tail = &log->rl_tail;
+
+	if (state->generation_id != head->generation_id) {
+		pr_debug("read ptr is wrong generation: %u/%u",
+			 state->generation_id, head->generation_id);
+
+		*state = (struct read_log_state){
+			.generation_id = head->generation_id,
+		};
+	}
+
+	if (state->current_record_no < tail->current_record_no) {
+		pr_debug("read ptr is behind, moving: %u/%u -> %u/%u\n",
+			 (u32)state->next_offset,
+			 (u32)state->current_pass_no,
+			 (u32)tail->next_offset, (u32)tail->current_pass_no);
+
+		*state = *tail;
+	}
+
+	for (dst_idx = 0; dst_idx < reads_size; dst_idx++) {
+		if (state->current_record_no == head->current_record_no)
+			break;
+
+		log_read_one_record(log, state);
+
+		if (reads)
+			reads[dst_idx] = (struct incfs_pending_read_info) {
+				.file_id = state->base_record.file_id,
+				.block_index = state->base_record.block_index,
+				.serial_number = state->current_record_no,
+				.timestamp_us =
+					state->base_record.absolute_ts_us,
+			};
+
+		if (reads2)
+			reads2[dst_idx] = (struct incfs_pending_read_info2) {
+				.file_id = state->base_record.file_id,
+				.block_index = state->base_record.block_index,
+				.serial_number = state->current_record_no,
+				.timestamp_us =
+					state->base_record.absolute_ts_us,
+				.uid = state->base_record.uid,
+			};
+	}
+
+	spin_unlock(&log->rl_lock);
+	return dst_idx;
+}
+
diff --git a/fs/incfs/data_mgmt.h b/fs/incfs/data_mgmt.h
new file mode 100644
index 0000000..8bd5c2f
--- /dev/null
+++ b/fs/incfs/data_mgmt.h
@@ -0,0 +1,551 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+#ifndef _INCFS_DATA_MGMT_H
+#define _INCFS_DATA_MGMT_H
+
+#include <linux/cred.h>
+#include <linux/fs.h>
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+#include <linux/rcupdate.h>
+#include <linux/completion.h>
+#include <linux/wait.h>
+#include <linux/zstd.h>
+#include <crypto/hash.h>
+#include <linux/rwsem.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "internal.h"
+#include "pseudo_files.h"
+
+#define SEGMENTS_PER_FILE 3
+
+enum LOG_RECORD_TYPE {
+	FULL,
+	SAME_FILE,
+	SAME_FILE_CLOSE_BLOCK,
+	SAME_FILE_CLOSE_BLOCK_SHORT,
+	SAME_FILE_NEXT_BLOCK,
+	SAME_FILE_NEXT_BLOCK_SHORT,
+};
+
+struct full_record {
+	enum LOG_RECORD_TYPE type : 3; /* FULL */
+	u32 block_index : 29;
+	incfs_uuid_t file_id;
+	u64 absolute_ts_us;
+	uid_t uid;
+} __packed; /* 32 bytes */
+
+struct same_file {
+	enum LOG_RECORD_TYPE type : 3; /* SAME_FILE */
+	u32 block_index : 29;
+	uid_t uid;
+	u16 relative_ts_us; /* max 2^16 us ~= 64 ms */
+} __packed; /* 10 bytes */
+
+struct same_file_close_block {
+	enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_CLOSE_BLOCK */
+	u16 relative_ts_us : 13; /* max 2^13 us ~= 8 ms */
+	s16 block_index_delta;
+} __packed; /* 4 bytes */
+
+struct same_file_close_block_short {
+	enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_CLOSE_BLOCK_SHORT */
+	u8 relative_ts_tens_us : 5; /* max 2^5*10 us ~= 320 us */
+	s8 block_index_delta;
+} __packed; /* 2 bytes */
+
+struct same_file_next_block {
+	enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_NEXT_BLOCK */
+	u16 relative_ts_us : 13; /* max 2^13 us ~= 8 ms */
+} __packed; /* 2 bytes */
+
+struct same_file_next_block_short {
+	enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_NEXT_BLOCK_SHORT */
+	u8 relative_ts_tens_us : 5; /* max 2^5*10 us ~= 320 us */
+} __packed; /* 1 byte */
+
+union log_record {
+	struct full_record full_record;
+	struct same_file same_file;
+	struct same_file_close_block same_file_close_block;
+	struct same_file_close_block_short same_file_close_block_short;
+	struct same_file_next_block same_file_next_block;
+	struct same_file_next_block_short same_file_next_block_short;
+};
+
+struct read_log_state {
+	/* Log buffer generation id, incremented on configuration changes */
+	u32 generation_id;
+
+	/* Offset in rl_ring_buf to write into. */
+	u32 next_offset;
+
+	/* Current number of writer passes over rl_ring_buf */
+	u32 current_pass_no;
+
+	/* Current full_record to diff against */
+	struct full_record base_record;
+
+	/* Current record number counting from configuration change */
+	u64 current_record_no;
+};
+
+/* A ring buffer to save records about data blocks which were recently read. */
+struct read_log {
+	void *rl_ring_buf;
+
+	int rl_size;
+
+	struct read_log_state rl_head;
+
+	struct read_log_state rl_tail;
+
+	/* A lock to protect the above fields */
+	spinlock_t rl_lock;
+
+	/* A queue of waiters who want to be notified about reads */
+	wait_queue_head_t ml_notif_wq;
+
+	/* A work item to wake up those waiters without slowing down readers */
+	struct delayed_work ml_wakeup_work;
+};
+
+struct mount_options {
+	unsigned int read_timeout_ms;
+	unsigned int readahead_pages;
+	unsigned int read_log_pages;
+	unsigned int read_log_wakeup_count;
+	bool report_uid;
+	char *sysfs_name;
+};
+
+struct mount_info {
+	struct super_block *mi_sb;
+
+	struct path mi_backing_dir_path;
+
+	struct dentry *mi_index_dir;
+	/* For stacking mounts, if true, this indicates if the index dir needs
+	 * to be freed for this SB otherwise it was created by lower level SB */
+	bool mi_index_free;
+
+	struct dentry *mi_incomplete_dir;
+	/* For stacking mounts, if true, this indicates if the incomplete dir
+	 * needs to be freed for this SB. Similar to mi_index_free */
+	bool mi_incomplete_free;
+
+	const struct cred *mi_owner;
+
+	struct mount_options mi_options;
+
+	/* This mutex is to be taken before create, rename, delete */
+	struct mutex mi_dir_struct_mutex;
+
+	/*
+	 * A queue of waiters who want to be notified about new pending reads.
+	 */
+	wait_queue_head_t mi_pending_reads_notif_wq;
+
+	/*
+	 * Protects - RCU safe:
+	 *  - reads_list_head
+	 *  - mi_pending_reads_count
+	 *  - mi_last_pending_read_number
+	 *  - data_file_segment.reads_list_head
+	 */
+	spinlock_t pending_read_lock;
+
+	/* List of active pending_read objects */
+	struct list_head mi_reads_list_head;
+
+	/* Total number of items in reads_list_head */
+	int mi_pending_reads_count;
+
+	/*
+	 * Last serial number that was assigned to a pending read.
+	 * 0 means no pending reads have been seen yet.
+	 */
+	int mi_last_pending_read_number;
+
+	/* Temporary buffer for read logger. */
+	struct read_log mi_log;
+
+	/* SELinux needs special xattrs on our pseudo files */
+	struct mem_range pseudo_file_xattr[PSEUDO_FILE_COUNT];
+
+	/* A queue of waiters who want to be notified about blocks_written */
+	wait_queue_head_t mi_blocks_written_notif_wq;
+
+	/* Number of blocks written since mount */
+	atomic_t mi_blocks_written;
+
+	/* Per UID read timeouts */
+	spinlock_t mi_per_uid_read_timeouts_lock;
+	struct incfs_per_uid_read_timeouts *mi_per_uid_read_timeouts;
+	int mi_per_uid_read_timeouts_size;
+
+	/* zstd workspace */
+	struct mutex mi_zstd_workspace_mutex;
+	void *mi_zstd_workspace;
+	ZSTD_DStream *mi_zstd_stream;
+	struct delayed_work mi_zstd_cleanup_work;
+
+	/* sysfs node */
+	struct incfs_sysfs_node *mi_sysfs_node;
+
+	/* Last error information */
+	struct mutex	mi_le_mutex;
+	incfs_uuid_t	mi_le_file_id;
+	u64		mi_le_time_us;
+	u32		mi_le_page;
+	u32		mi_le_errno;
+	uid_t		mi_le_uid;
+
+	/* Number of reads timed out */
+	u32 mi_reads_failed_timed_out;
+
+	/* Number of reads failed because hash verification failed */
+	u32 mi_reads_failed_hash_verification;
+
+	/* Number of reads failed for another reason */
+	u32 mi_reads_failed_other;
+
+	/* Number of reads delayed because page had to be fetched */
+	u32 mi_reads_delayed_pending;
+
+	/* Total time waiting for pages to be fetched */
+	u64 mi_reads_delayed_pending_us;
+
+	/*
+	 * Number of reads delayed because of per-uid min_time_us or
+	 * min_pending_time_us settings
+	 */
+	u32 mi_reads_delayed_min;
+
+	/* Total time waiting because of per-uid min_time_us or
+	 * min_pending_time_us settings.
+	 *
+	 * Note that if a read is initially delayed because we have to wait for
+	 * the page, then further delayed because of min_pending_time_us
+	 * setting, this counter gets incremented by only the further delay
+	 * time.
+	 */
+	u64 mi_reads_delayed_min_us;
+};
+
+struct data_file_block {
+	loff_t db_backing_file_data_offset;
+
+	size_t db_stored_size;
+
+	enum incfs_compression_alg db_comp_alg;
+};
+
+struct pending_read {
+	incfs_uuid_t file_id;
+
+	s64 timestamp_us;
+
+	atomic_t done;
+
+	int block_index;
+
+	int serial_number;
+
+	uid_t uid;
+
+	struct list_head mi_reads_list;
+
+	struct list_head segment_reads_list;
+
+	struct rcu_head rcu;
+};
+
+struct data_file_segment {
+	wait_queue_head_t new_data_arrival_wq;
+
+	/* Protects reads and writes from the blockmap */
+	struct rw_semaphore rwsem;
+
+	/* List of active pending_read objects belonging to this segment */
+	/* Protected by mount_info.pending_reads_mutex */
+	struct list_head reads_list_head;
+};
+
+/*
+ * Extra info associated with a file. Just a few bytes set by a user.
+ */
+struct file_attr {
+	loff_t fa_value_offset;
+
+	size_t fa_value_size;
+
+	u32 fa_crc;
+};
+
+
+struct data_file {
+	struct backing_file_context *df_backing_file_context;
+
+	struct mount_info *df_mount_info;
+
+	incfs_uuid_t df_id;
+
+	/*
+	 * Array of segments used to reduce lock contention for the file.
+	 * Segment is chosen for a block depends on the block's index.
+	 */
+	struct data_file_segment df_segments[SEGMENTS_PER_FILE];
+
+	/* Base offset of the first metadata record. */
+	loff_t df_metadata_off;
+
+	/* Base offset of the block map. */
+	loff_t df_blockmap_off;
+
+	/* File size in bytes */
+	loff_t df_size;
+
+	/* File header flags */
+	u32 df_header_flags;
+
+	/* File size in DATA_FILE_BLOCK_SIZE blocks */
+	int df_data_block_count;
+
+	/* Total number of blocks, data + hash */
+	int df_total_block_count;
+
+	/* For mapped files, the offset into the actual file */
+	loff_t df_mapped_offset;
+
+	/* Number of data blocks written to file */
+	atomic_t df_data_blocks_written;
+
+	/* Number of data blocks in the status block */
+	u32 df_initial_data_blocks_written;
+
+	/* Number of hash blocks written to file */
+	atomic_t df_hash_blocks_written;
+
+	/* Number of hash blocks in the status block */
+	u32 df_initial_hash_blocks_written;
+
+	/* Offset to status metadata header */
+	loff_t df_status_offset;
+
+	/*
+	 * Mutex acquired while enabling verity. Note that df_hash_tree is set
+	 * by enable verity.
+	 *
+	 * The backing file mutex bc_mutex  may be taken while this mutex is
+	 * held.
+	 */
+	struct mutex df_enable_verity;
+
+	/*
+	 * Set either at construction time or during enabling verity. In the
+	 * latter case, set via smp_store_release, so use smp_load_acquire to
+	 * read it.
+	 */
+	struct mtree *df_hash_tree;
+
+	/* Guaranteed set if df_hash_tree is set. */
+	struct incfs_df_signature *df_signature;
+
+	/*
+	 * The verity file digest, set when verity is enabled and the file has
+	 * been opened
+	 */
+	struct mem_range df_verity_file_digest;
+
+	struct incfs_df_verity_signature *df_verity_signature;
+};
+
+struct dir_file {
+	struct mount_info *mount_info;
+
+	struct file *backing_dir;
+};
+
+struct inode_info {
+	struct mount_info *n_mount_info; /* A mount, this file belongs to */
+
+	struct inode *n_backing_inode;
+
+	struct data_file *n_file;
+
+	struct inode n_vfs_inode;
+};
+
+struct dentry_info {
+	struct path backing_path;
+};
+
+enum FILL_PERMISSION {
+	CANT_FILL = 0,
+	CAN_FILL = 1,
+};
+
+struct incfs_file_data {
+	/* Does this file handle have INCFS_IOC_FILL_BLOCKS permission */
+	enum FILL_PERMISSION fd_fill_permission;
+
+	/* If INCFS_IOC_GET_FILLED_BLOCKS has been called, where are we */
+	int fd_get_block_pos;
+
+	/* And how many filled blocks are there up to that point */
+	int fd_filled_data_blocks;
+	int fd_filled_hash_blocks;
+};
+
+struct mount_info *incfs_alloc_mount_info(struct super_block *sb,
+					  struct mount_options *options,
+					  struct path *backing_dir_path);
+
+int incfs_realloc_mount_info(struct mount_info *mi,
+			     struct mount_options *options);
+
+void incfs_free_mount_info(struct mount_info *mi);
+
+char *file_id_to_str(incfs_uuid_t id);
+struct dentry *incfs_lookup_dentry(struct dentry *parent, const char *name);
+struct data_file *incfs_open_data_file(struct mount_info *mi, struct file *bf);
+void incfs_free_data_file(struct data_file *df);
+
+struct dir_file *incfs_open_dir_file(struct mount_info *mi, struct file *bf);
+void incfs_free_dir_file(struct dir_file *dir);
+
+struct incfs_read_data_file_timeouts {
+	u32 min_time_us;
+	u32 min_pending_time_us;
+	u32 max_pending_time_us;
+};
+
+ssize_t incfs_read_data_file_block(struct mem_range dst, struct file *f,
+			int index, struct mem_range tmp,
+			struct incfs_read_data_file_timeouts *timeouts,
+			unsigned int *delayed_min_us);
+
+ssize_t incfs_read_merkle_tree_blocks(struct mem_range dst,
+				      struct data_file *df, size_t offset);
+
+int incfs_get_filled_blocks(struct data_file *df,
+			    struct incfs_file_data *fd,
+			    struct incfs_get_filled_blocks_args *arg);
+
+int incfs_read_file_signature(struct data_file *df, struct mem_range dst);
+
+int incfs_process_new_data_block(struct data_file *df,
+				 struct incfs_fill_block *block, u8 *data,
+				 bool *complete);
+
+int incfs_process_new_hash_block(struct data_file *df,
+				 struct incfs_fill_block *block, u8 *data);
+
+bool incfs_fresh_pending_reads_exist(struct mount_info *mi, int last_number);
+
+/*
+ * Collects pending reads and saves them into the array (reads/reads_size).
+ * Only reads with serial_number > sn_lowerbound are reported.
+ * Returns how many reads were saved into the array.
+ */
+int incfs_collect_pending_reads(struct mount_info *mi, int sn_lowerbound,
+				struct incfs_pending_read_info *reads,
+				struct incfs_pending_read_info2 *reads2,
+				int reads_size, int *new_max_sn);
+
+int incfs_collect_logged_reads(struct mount_info *mi,
+			       struct read_log_state *start_state,
+			       struct incfs_pending_read_info *reads,
+			       struct incfs_pending_read_info2 *reads2,
+			       int reads_size);
+struct read_log_state incfs_get_log_state(struct mount_info *mi);
+int incfs_get_uncollected_logs_count(struct mount_info *mi,
+				     const struct read_log_state *state);
+
+static inline struct inode_info *get_incfs_node(struct inode *inode)
+{
+	if (!inode)
+		return NULL;
+
+	if (inode->i_sb->s_magic != INCFS_MAGIC_NUMBER) {
+		/* This inode doesn't belong to us. */
+		pr_warn_once("incfs: %s on an alien inode.", __func__);
+		return NULL;
+	}
+
+	return container_of(inode, struct inode_info, n_vfs_inode);
+}
+
+static inline struct data_file *get_incfs_data_file(struct file *f)
+{
+	struct inode_info *node = NULL;
+
+	if (!f)
+		return NULL;
+
+	if (!S_ISREG(f->f_inode->i_mode))
+		return NULL;
+
+	node = get_incfs_node(f->f_inode);
+	if (!node)
+		return NULL;
+
+	return node->n_file;
+}
+
+static inline struct dir_file *get_incfs_dir_file(struct file *f)
+{
+	if (!f)
+		return NULL;
+
+	if (!S_ISDIR(f->f_inode->i_mode))
+		return NULL;
+
+	return (struct dir_file *)f->private_data;
+}
+
+/*
+ * Make sure that inode_info.n_file is initialized and inode can be used
+ * for reading and writing data from/to the backing file.
+ */
+int make_inode_ready_for_data_ops(struct mount_info *mi,
+				struct inode *inode,
+				struct file *backing_file);
+
+static inline struct dentry_info *get_incfs_dentry(const struct dentry *d)
+{
+	if (!d)
+		return NULL;
+
+	return (struct dentry_info *)d->d_fsdata;
+}
+
+static inline void get_incfs_backing_path(const struct dentry *d,
+					  struct path *path)
+{
+	struct dentry_info *di = get_incfs_dentry(d);
+
+	if (!di) {
+		*path = (struct path) {};
+		return;
+	}
+
+	*path = di->backing_path;
+	path_get(path);
+}
+
+static inline int get_blocks_count_for_size(u64 size)
+{
+	if (size == 0)
+		return 0;
+	return 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+}
+
+#endif /* _INCFS_DATA_MGMT_H */
diff --git a/fs/incfs/format.c b/fs/incfs/format.c
new file mode 100644
index 0000000..9128cd2
--- /dev/null
+++ b/fs/incfs/format.c
@@ -0,0 +1,752 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#include <linux/fs.h>
+#include <linux/file.h>
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/mm.h>
+#include <linux/falloc.h>
+#include <linux/slab.h>
+#include <linux/crc32.h>
+#include <linux/kernel.h>
+
+#include "format.h"
+#include "data_mgmt.h"
+
+struct backing_file_context *incfs_alloc_bfc(struct mount_info *mi,
+					     struct file *backing_file)
+{
+	struct backing_file_context *result = NULL;
+
+	result = kzalloc(sizeof(*result), GFP_NOFS);
+	if (!result)
+		return ERR_PTR(-ENOMEM);
+
+	result->bc_file = get_file(backing_file);
+	result->bc_cred = mi->mi_owner;
+	mutex_init(&result->bc_mutex);
+	return result;
+}
+
+void incfs_free_bfc(struct backing_file_context *bfc)
+{
+	if (!bfc)
+		return;
+
+	if (bfc->bc_file)
+		fput(bfc->bc_file);
+
+	mutex_destroy(&bfc->bc_mutex);
+	kfree(bfc);
+}
+
+static loff_t incfs_get_end_offset(struct file *f)
+{
+	/*
+	 * This function assumes that file size and the end-offset
+	 * are the same. This is not always true.
+	 */
+	return i_size_read(file_inode(f));
+}
+
+/*
+ * Truncate the tail of the file to the given length.
+ * Used to rollback partially successful multistep writes.
+ */
+static int truncate_backing_file(struct backing_file_context *bfc,
+				loff_t new_end)
+{
+	struct inode *inode = NULL;
+	struct dentry *dentry = NULL;
+	loff_t old_end = 0;
+	struct iattr attr;
+	int result = 0;
+
+	if (!bfc)
+		return -EFAULT;
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	if (!bfc->bc_file)
+		return -EFAULT;
+
+	old_end = incfs_get_end_offset(bfc->bc_file);
+	if (old_end == new_end)
+		return 0;
+	if (old_end < new_end)
+		return -EINVAL;
+
+	inode = bfc->bc_file->f_inode;
+	dentry = bfc->bc_file->f_path.dentry;
+
+	attr.ia_size = new_end;
+	attr.ia_valid = ATTR_SIZE;
+
+	inode_lock(inode);
+	result = notify_change(dentry, &attr, NULL);
+	inode_unlock(inode);
+
+	return result;
+}
+
+static int write_to_bf(struct backing_file_context *bfc, const void *buf,
+			size_t count, loff_t pos)
+{
+	ssize_t res = incfs_kwrite(bfc, buf, count, pos);
+
+	if (res < 0)
+		return res;
+	if (res != count)
+		return -EIO;
+	return 0;
+}
+
+static int append_zeros_no_fallocate(struct backing_file_context *bfc,
+				     size_t file_size, size_t len)
+{
+	u8 buffer[256] = {};
+	size_t i;
+
+	for (i = 0; i < len; i += sizeof(buffer)) {
+		int to_write = len - i > sizeof(buffer)
+			? sizeof(buffer) : len - i;
+		int err = write_to_bf(bfc, buffer, to_write, file_size + i);
+
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+/* Append a given number of zero bytes to the end of the backing file. */
+static int append_zeros(struct backing_file_context *bfc, size_t len)
+{
+	loff_t file_size = 0;
+	loff_t new_last_byte_offset = 0;
+	int result;
+
+	if (!bfc)
+		return -EFAULT;
+
+	if (len == 0)
+		return 0;
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	/*
+	 * Allocate only one byte at the new desired end of the file.
+	 * It will increase file size and create a zeroed area of
+	 * a given size.
+	 */
+	file_size = incfs_get_end_offset(bfc->bc_file);
+	new_last_byte_offset = file_size + len - 1;
+	result = vfs_fallocate(bfc->bc_file, 0, new_last_byte_offset, 1);
+	if (result != -EOPNOTSUPP)
+		return result;
+
+	return append_zeros_no_fallocate(bfc, file_size, len);
+}
+
+/*
+ * Append a given metadata record to the backing file and update a previous
+ * record to add the new record the the metadata list.
+ */
+static int append_md_to_backing_file(struct backing_file_context *bfc,
+			      struct incfs_md_header *record)
+{
+	int result = 0;
+	loff_t record_offset;
+	loff_t file_pos;
+	__le64 new_md_offset;
+	size_t record_size;
+
+	if (!bfc || !record)
+		return -EFAULT;
+
+	if (bfc->bc_last_md_record_offset < 0)
+		return -EINVAL;
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	record_size = le16_to_cpu(record->h_record_size);
+	file_pos = incfs_get_end_offset(bfc->bc_file);
+	record->h_next_md_offset = 0;
+
+	/* Write the metadata record to the end of the backing file */
+	record_offset = file_pos;
+	new_md_offset = cpu_to_le64(record_offset);
+	result = write_to_bf(bfc, record, record_size, file_pos);
+	if (result)
+		return result;
+
+	/* Update next metadata offset in a previous record or a superblock. */
+	if (bfc->bc_last_md_record_offset) {
+		/*
+		 * Find a place in the previous md record where new record's
+		 * offset needs to be saved.
+		 */
+		file_pos = bfc->bc_last_md_record_offset +
+			offsetof(struct incfs_md_header, h_next_md_offset);
+	} else {
+		/*
+		 * No metadata yet, file a place to update in the
+		 * file_header.
+		 */
+		file_pos = offsetof(struct incfs_file_header,
+				    fh_first_md_offset);
+	}
+	result = write_to_bf(bfc, &new_md_offset, sizeof(new_md_offset),
+			     file_pos);
+	if (result)
+		return result;
+
+	bfc->bc_last_md_record_offset = record_offset;
+	return result;
+}
+
+/*
+ * Reserve 0-filled space for the blockmap body, and append
+ * incfs_blockmap metadata record pointing to it.
+ */
+int incfs_write_blockmap_to_backing_file(struct backing_file_context *bfc,
+					 u32 block_count)
+{
+	struct incfs_blockmap blockmap = {};
+	int result = 0;
+	loff_t file_end = 0;
+	size_t map_size = block_count * sizeof(struct incfs_blockmap_entry);
+
+	if (!bfc)
+		return -EFAULT;
+
+	blockmap.m_header.h_md_entry_type = INCFS_MD_BLOCK_MAP;
+	blockmap.m_header.h_record_size = cpu_to_le16(sizeof(blockmap));
+	blockmap.m_header.h_next_md_offset = cpu_to_le64(0);
+	blockmap.m_block_count = cpu_to_le32(block_count);
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	/* Reserve 0-filled space for the blockmap body in the backing file. */
+	file_end = incfs_get_end_offset(bfc->bc_file);
+	result = append_zeros(bfc, map_size);
+	if (result)
+		return result;
+
+	/* Write blockmap metadata record pointing to the body written above. */
+	blockmap.m_base_offset = cpu_to_le64(file_end);
+	result = append_md_to_backing_file(bfc, &blockmap.m_header);
+	if (result)
+		/* Error, rollback file changes */
+		truncate_backing_file(bfc, file_end);
+
+	return result;
+}
+
+int incfs_write_signature_to_backing_file(struct backing_file_context *bfc,
+					struct mem_range sig, u32 tree_size,
+					loff_t *tree_offset, loff_t *sig_offset)
+{
+	struct incfs_file_signature sg = {};
+	int result = 0;
+	loff_t rollback_pos = 0;
+	loff_t tree_area_pos = 0;
+	size_t alignment = 0;
+
+	if (!bfc)
+		return -EFAULT;
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	rollback_pos = incfs_get_end_offset(bfc->bc_file);
+
+	sg.sg_header.h_md_entry_type = INCFS_MD_SIGNATURE;
+	sg.sg_header.h_record_size = cpu_to_le16(sizeof(sg));
+	sg.sg_header.h_next_md_offset = cpu_to_le64(0);
+	if (sig.data != NULL && sig.len > 0) {
+		sg.sg_sig_size = cpu_to_le32(sig.len);
+		sg.sg_sig_offset = cpu_to_le64(rollback_pos);
+
+		result = write_to_bf(bfc, sig.data, sig.len, rollback_pos);
+		if (result)
+			goto err;
+	}
+
+	tree_area_pos = incfs_get_end_offset(bfc->bc_file);
+	if (tree_size > 0) {
+		if (tree_size > 5 * INCFS_DATA_FILE_BLOCK_SIZE) {
+			/*
+			 * If hash tree is big enough, it makes sense to
+			 * align in the backing file for faster access.
+			 */
+			loff_t offset = round_up(tree_area_pos, PAGE_SIZE);
+
+			alignment = offset - tree_area_pos;
+			tree_area_pos = offset;
+		}
+
+		/*
+		 * If root hash is not the only hash in the tree.
+		 * reserve 0-filled space for the tree.
+		 */
+		result = append_zeros(bfc, tree_size + alignment);
+		if (result)
+			goto err;
+
+		sg.sg_hash_tree_size = cpu_to_le32(tree_size);
+		sg.sg_hash_tree_offset = cpu_to_le64(tree_area_pos);
+	}
+
+	/* Write a hash tree metadata record pointing to the hash tree above. */
+	result = append_md_to_backing_file(bfc, &sg.sg_header);
+err:
+	if (result)
+		/* Error, rollback file changes */
+		truncate_backing_file(bfc, rollback_pos);
+	else {
+		if (tree_offset)
+			*tree_offset = tree_area_pos;
+		if (sig_offset)
+			*sig_offset = rollback_pos;
+	}
+
+	return result;
+}
+
+static int write_new_status_to_backing_file(struct backing_file_context *bfc,
+				       u32 data_blocks_written,
+				       u32 hash_blocks_written)
+{
+	int result;
+	loff_t rollback_pos;
+	struct incfs_status is = {
+		.is_header = {
+			.h_md_entry_type = INCFS_MD_STATUS,
+			.h_record_size = cpu_to_le16(sizeof(is)),
+		},
+		.is_data_blocks_written = cpu_to_le32(data_blocks_written),
+		.is_hash_blocks_written = cpu_to_le32(hash_blocks_written),
+	};
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+	rollback_pos = incfs_get_end_offset(bfc->bc_file);
+	result = append_md_to_backing_file(bfc, &is.is_header);
+	if (result)
+		truncate_backing_file(bfc, rollback_pos);
+
+	return result;
+}
+
+int incfs_write_status_to_backing_file(struct backing_file_context *bfc,
+				       loff_t status_offset,
+				       u32 data_blocks_written,
+				       u32 hash_blocks_written)
+{
+	struct incfs_status is;
+	int result;
+
+	if (!bfc)
+		return -EFAULT;
+
+	if (status_offset == 0)
+		return write_new_status_to_backing_file(bfc,
+				data_blocks_written, hash_blocks_written);
+
+	result = incfs_kread(bfc, &is, sizeof(is), status_offset);
+	if (result != sizeof(is))
+		return -EIO;
+
+	is.is_data_blocks_written = cpu_to_le32(data_blocks_written);
+	is.is_hash_blocks_written = cpu_to_le32(hash_blocks_written);
+	result = incfs_kwrite(bfc, &is, sizeof(is), status_offset);
+	if (result != sizeof(is))
+		return -EIO;
+
+	return 0;
+}
+
+int incfs_write_verity_signature_to_backing_file(
+		struct backing_file_context *bfc, struct mem_range signature,
+		loff_t *offset)
+{
+	struct incfs_file_verity_signature vs = {};
+	int result;
+	loff_t pos;
+
+	/* No verity signature section is equivalent to an empty section */
+	if (signature.data == NULL || signature.len == 0)
+		return 0;
+
+	pos = incfs_get_end_offset(bfc->bc_file);
+
+	vs = (struct incfs_file_verity_signature) {
+		.vs_header = (struct incfs_md_header) {
+			.h_md_entry_type = INCFS_MD_VERITY_SIGNATURE,
+			.h_record_size = cpu_to_le16(sizeof(vs)),
+			.h_next_md_offset = cpu_to_le64(0),
+		},
+		.vs_size = cpu_to_le32(signature.len),
+		.vs_offset = cpu_to_le64(pos),
+	};
+
+	result = write_to_bf(bfc, signature.data, signature.len, pos);
+	if (result)
+		goto err;
+
+	result = append_md_to_backing_file(bfc, &vs.vs_header);
+	if (result)
+		goto err;
+
+	*offset = pos;
+err:
+	if (result)
+		/* Error, rollback file changes */
+		truncate_backing_file(bfc, pos);
+	return result;
+}
+
+/*
+ * Write a backing file header
+ * It should always be called only on empty file.
+ * fh.fh_first_md_offset is 0 for now, but will be updated
+ * once first metadata record is added.
+ */
+int incfs_write_fh_to_backing_file(struct backing_file_context *bfc,
+				   incfs_uuid_t *uuid, u64 file_size)
+{
+	struct incfs_file_header fh = {};
+	loff_t file_pos = 0;
+
+	if (!bfc)
+		return -EFAULT;
+
+	fh.fh_magic = cpu_to_le64(INCFS_MAGIC_NUMBER);
+	fh.fh_version = cpu_to_le64(INCFS_FORMAT_CURRENT_VER);
+	fh.fh_header_size = cpu_to_le16(sizeof(fh));
+	fh.fh_first_md_offset = cpu_to_le64(0);
+	fh.fh_data_block_size = cpu_to_le16(INCFS_DATA_FILE_BLOCK_SIZE);
+
+	fh.fh_file_size = cpu_to_le64(file_size);
+	fh.fh_uuid = *uuid;
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	file_pos = incfs_get_end_offset(bfc->bc_file);
+	if (file_pos != 0)
+		return -EEXIST;
+
+	return write_to_bf(bfc, &fh, sizeof(fh), file_pos);
+}
+
+/*
+ * Write a backing file header for a mapping file
+ * It should always be called only on empty file.
+ */
+int incfs_write_mapping_fh_to_backing_file(struct backing_file_context *bfc,
+				incfs_uuid_t *uuid, u64 file_size, u64 offset)
+{
+	struct incfs_file_header fh = {};
+	loff_t file_pos = 0;
+
+	if (!bfc)
+		return -EFAULT;
+
+	fh.fh_magic = cpu_to_le64(INCFS_MAGIC_NUMBER);
+	fh.fh_version = cpu_to_le64(INCFS_FORMAT_CURRENT_VER);
+	fh.fh_header_size = cpu_to_le16(sizeof(fh));
+	fh.fh_original_offset = cpu_to_le64(offset);
+	fh.fh_data_block_size = cpu_to_le16(INCFS_DATA_FILE_BLOCK_SIZE);
+
+	fh.fh_mapped_file_size = cpu_to_le64(file_size);
+	fh.fh_original_uuid = *uuid;
+	fh.fh_flags = cpu_to_le32(INCFS_FILE_MAPPED);
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	file_pos = incfs_get_end_offset(bfc->bc_file);
+	if (file_pos != 0)
+		return -EEXIST;
+
+	return write_to_bf(bfc, &fh, sizeof(fh), file_pos);
+}
+
+/* Write a given data block and update file's blockmap to point it. */
+int incfs_write_data_block_to_backing_file(struct backing_file_context *bfc,
+				     struct mem_range block, int block_index,
+				     loff_t bm_base_off, u16 flags)
+{
+	struct incfs_blockmap_entry bm_entry = {};
+	int result = 0;
+	loff_t data_offset = 0;
+	loff_t bm_entry_off =
+		bm_base_off + sizeof(struct incfs_blockmap_entry) * block_index;
+
+	if (!bfc)
+		return -EFAULT;
+
+	if (block.len >= (1 << 16) || block_index < 0)
+		return -EINVAL;
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	data_offset = incfs_get_end_offset(bfc->bc_file);
+	if (data_offset <= bm_entry_off) {
+		/* Blockmap entry is beyond the file's end. It is not normal. */
+		return -EINVAL;
+	}
+
+	/* Write the block data at the end of the backing file. */
+	result = write_to_bf(bfc, block.data, block.len, data_offset);
+	if (result)
+		return result;
+
+	/* Update the blockmap to point to the newly written data. */
+	bm_entry.me_data_offset_lo = cpu_to_le32((u32)data_offset);
+	bm_entry.me_data_offset_hi = cpu_to_le16((u16)(data_offset >> 32));
+	bm_entry.me_data_size = cpu_to_le16((u16)block.len);
+	bm_entry.me_flags = cpu_to_le16(flags);
+
+	return write_to_bf(bfc, &bm_entry, sizeof(bm_entry),
+				bm_entry_off);
+}
+
+int incfs_write_hash_block_to_backing_file(struct backing_file_context *bfc,
+					   struct mem_range block,
+					   int block_index,
+					   loff_t hash_area_off,
+					   loff_t bm_base_off,
+					   loff_t file_size)
+{
+	struct incfs_blockmap_entry bm_entry = {};
+	int result;
+	loff_t data_offset = 0;
+	loff_t file_end = 0;
+	loff_t bm_entry_off =
+		bm_base_off +
+		sizeof(struct incfs_blockmap_entry) *
+			(block_index + get_blocks_count_for_size(file_size));
+
+	if (!bfc)
+		return -EFAULT;
+
+	LOCK_REQUIRED(bfc->bc_mutex);
+
+	data_offset = hash_area_off + block_index * INCFS_DATA_FILE_BLOCK_SIZE;
+	file_end = incfs_get_end_offset(bfc->bc_file);
+	if (data_offset + block.len > file_end) {
+		/* Block is located beyond the file's end. It is not normal. */
+		return -EINVAL;
+	}
+
+	result = write_to_bf(bfc, block.data, block.len, data_offset);
+	if (result)
+		return result;
+
+	bm_entry.me_data_offset_lo = cpu_to_le32((u32)data_offset);
+	bm_entry.me_data_offset_hi = cpu_to_le16((u16)(data_offset >> 32));
+	bm_entry.me_data_size = cpu_to_le16(INCFS_DATA_FILE_BLOCK_SIZE);
+
+	return write_to_bf(bfc, &bm_entry, sizeof(bm_entry), bm_entry_off);
+}
+
+int incfs_read_blockmap_entry(struct backing_file_context *bfc, int block_index,
+			loff_t bm_base_off,
+			struct incfs_blockmap_entry *bm_entry)
+{
+	int error = incfs_read_blockmap_entries(bfc, bm_entry, block_index, 1,
+						bm_base_off);
+
+	if (error < 0)
+		return error;
+
+	if (error == 0)
+		return -EIO;
+
+	if (error != 1)
+		return -EFAULT;
+
+	return 0;
+}
+
+int incfs_read_blockmap_entries(struct backing_file_context *bfc,
+		struct incfs_blockmap_entry *entries,
+		int start_index, int blocks_number,
+		loff_t bm_base_off)
+{
+	loff_t bm_entry_off =
+		bm_base_off + sizeof(struct incfs_blockmap_entry) * start_index;
+	const size_t bytes_to_read = sizeof(struct incfs_blockmap_entry)
+					* blocks_number;
+	int result = 0;
+
+	if (!bfc || !entries)
+		return -EFAULT;
+
+	if (start_index < 0 || bm_base_off <= 0)
+		return -ENODATA;
+
+	result = incfs_kread(bfc, entries, bytes_to_read, bm_entry_off);
+	if (result < 0)
+		return result;
+	return result / sizeof(*entries);
+}
+
+int incfs_read_file_header(struct backing_file_context *bfc,
+			   loff_t *first_md_off, incfs_uuid_t *uuid,
+			   u64 *file_size, u32 *flags)
+{
+	ssize_t bytes_read = 0;
+	struct incfs_file_header fh = {};
+
+	if (!bfc || !first_md_off)
+		return -EFAULT;
+
+	bytes_read = incfs_kread(bfc, &fh, sizeof(fh), 0);
+	if (bytes_read < 0)
+		return bytes_read;
+
+	if (bytes_read < sizeof(fh))
+		return -EBADMSG;
+
+	if (le64_to_cpu(fh.fh_magic) != INCFS_MAGIC_NUMBER)
+		return -EILSEQ;
+
+	if (le64_to_cpu(fh.fh_version) > INCFS_FORMAT_CURRENT_VER)
+		return -EILSEQ;
+
+	if (le16_to_cpu(fh.fh_data_block_size) != INCFS_DATA_FILE_BLOCK_SIZE)
+		return -EILSEQ;
+
+	if (le16_to_cpu(fh.fh_header_size) != sizeof(fh))
+		return -EILSEQ;
+
+	if (first_md_off)
+		*first_md_off = le64_to_cpu(fh.fh_first_md_offset);
+	if (uuid)
+		*uuid = fh.fh_uuid;
+	if (file_size)
+		*file_size = le64_to_cpu(fh.fh_file_size);
+	if (flags)
+		*flags = le32_to_cpu(fh.fh_flags);
+	return 0;
+}
+
+/*
+ * Read through metadata records from the backing file one by one
+ * and call provided metadata handlers.
+ */
+int incfs_read_next_metadata_record(struct backing_file_context *bfc,
+			      struct metadata_handler *handler)
+{
+	const ssize_t max_md_size = INCFS_MAX_METADATA_RECORD_SIZE;
+	ssize_t bytes_read = 0;
+	size_t md_record_size = 0;
+	loff_t next_record = 0;
+	int res = 0;
+	struct incfs_md_header *md_hdr = NULL;
+
+	if (!bfc || !handler)
+		return -EFAULT;
+
+	if (handler->md_record_offset == 0)
+		return -EPERM;
+
+	memset(&handler->md_buffer, 0, max_md_size);
+	bytes_read = incfs_kread(bfc, &handler->md_buffer, max_md_size,
+				 handler->md_record_offset);
+	if (bytes_read < 0)
+		return bytes_read;
+	if (bytes_read < sizeof(*md_hdr))
+		return -EBADMSG;
+
+	md_hdr = &handler->md_buffer.md_header;
+	next_record = le64_to_cpu(md_hdr->h_next_md_offset);
+	md_record_size = le16_to_cpu(md_hdr->h_record_size);
+
+	if (md_record_size > max_md_size) {
+		pr_warn("incfs: The record is too large. Size: %zu",
+				md_record_size);
+		return -EBADMSG;
+	}
+
+	if (bytes_read < md_record_size) {
+		pr_warn("incfs: The record hasn't been fully read.");
+		return -EBADMSG;
+	}
+
+	if (next_record <= handler->md_record_offset && next_record != 0) {
+		pr_warn("incfs: Next record (%lld) points back in file.",
+			next_record);
+		return -EBADMSG;
+	}
+
+	switch (md_hdr->h_md_entry_type) {
+	case INCFS_MD_NONE:
+		break;
+	case INCFS_MD_BLOCK_MAP:
+		if (handler->handle_blockmap)
+			res = handler->handle_blockmap(
+				&handler->md_buffer.blockmap, handler);
+		break;
+	case INCFS_MD_FILE_ATTR:
+		/*
+		 * File attrs no longer supported, ignore section for
+		 * compatibility
+		 */
+		break;
+	case INCFS_MD_SIGNATURE:
+		if (handler->handle_signature)
+			res = handler->handle_signature(
+				&handler->md_buffer.signature, handler);
+		break;
+	case INCFS_MD_STATUS:
+		if (handler->handle_status)
+			res = handler->handle_status(
+				&handler->md_buffer.status, handler);
+		break;
+	case INCFS_MD_VERITY_SIGNATURE:
+		if (handler->handle_verity_signature)
+			res = handler->handle_verity_signature(
+				&handler->md_buffer.verity_signature, handler);
+		break;
+	default:
+		res = -ENOTSUPP;
+		break;
+	}
+
+	if (!res) {
+		if (next_record == 0) {
+			/*
+			 * Zero offset for the next record means that the last
+			 * metadata record has just been processed.
+			 */
+			bfc->bc_last_md_record_offset =
+				handler->md_record_offset;
+		}
+		handler->md_prev_record_offset = handler->md_record_offset;
+		handler->md_record_offset = next_record;
+	}
+	return res;
+}
+
+ssize_t incfs_kread(struct backing_file_context *bfc, void *buf, size_t size,
+		    loff_t pos)
+{
+	const struct cred *old_cred = override_creds(bfc->bc_cred);
+	int ret = kernel_read(bfc->bc_file, buf, size, &pos);
+
+	revert_creds(old_cred);
+	return ret;
+}
+
+ssize_t incfs_kwrite(struct backing_file_context *bfc, const void *buf,
+		     size_t size, loff_t pos)
+{
+	const struct cred *old_cred = override_creds(bfc->bc_cred);
+	int ret = kernel_write(bfc->bc_file, buf, size, &pos);
+
+	revert_creds(old_cred);
+	return ret;
+}
diff --git a/fs/incfs/format.h b/fs/incfs/format.h
new file mode 100644
index 0000000..14e475b
--- /dev/null
+++ b/fs/incfs/format.h
@@ -0,0 +1,407 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2018 Google LLC
+ */
+
+/*
+ * Overview
+ * --------
+ * The backbone of the incremental-fs ondisk format is an append only linked
+ * list of metadata blocks. Each metadata block contains an offset of the next
+ * one. These blocks describe files and directories on the
+ * file system. They also represent actions of adding and removing file names
+ * (hard links).
+ *
+ * Every time incremental-fs instance is mounted, it reads through this list
+ * to recreate filesystem's state in memory. An offset of the first record in
+ * the metadata list is stored in the superblock at the beginning of the backing
+ * file.
+ *
+ * Most of the backing file is taken by data areas and blockmaps.
+ * Since data blocks can be compressed and have different sizes,
+ * single per-file data area can't be pre-allocated. That's why blockmaps are
+ * needed in order to find a location and size of each data block in
+ * the backing file. Each time a file is created, a corresponding block map is
+ * allocated to store future offsets of data blocks.
+ *
+ * Whenever a data block is given by data loader to incremental-fs:
+ *   - A data area with the given block is appended to the end of
+ *     the backing file.
+ *   - A record in the blockmap for the given block index is updated to reflect
+ *     its location, size, and compression algorithm.
+
+ * Metadata records
+ * ----------------
+ * incfs_blockmap - metadata record that specifies size and location
+ *                           of a blockmap area for a given file. This area
+ *                           contains an array of incfs_blockmap_entry-s.
+ * incfs_file_signature - metadata record that specifies where file signature
+ *                           and its hash tree can be found in the backing file.
+ *
+ * incfs_file_attr - metadata record that specifies where additional file
+ *		        attributes blob can be found.
+ *
+ * Metadata header
+ * ---------------
+ * incfs_md_header - header of a metadata record. It's always a part
+ *                   of other structures and served purpose of metadata
+ *                   bookkeeping.
+ *
+ *              +-----------------------------------------------+       ^
+ *              |            incfs_md_header                    |       |
+ *              | 1. type of body(BLOCKMAP, FILE_ATTR..)        |       |
+ *              | 2. size of the whole record header + body     |       |
+ *              | 3. CRC the whole record header + body         |       |
+ *              | 4. offset of the previous md record           |]------+
+ *              | 5. offset of the next md record (md link)     |]---+
+ *              +-----------------------------------------------+    |
+ *              |  Metadata record body with useful data        |    |
+ *              +-----------------------------------------------+    |
+ *                                                                   +--->
+ *
+ * Other ondisk structures
+ * -----------------------
+ * incfs_super_block - backing file header
+ * incfs_blockmap_entry - a record in a blockmap area that describes size
+ *                       and location of a data block.
+ * Data blocks dont have any particular structure, they are written to the
+ * backing file in a raw form as they come from a data loader.
+ *
+ * Backing file layout
+ * -------------------
+ *
+ *
+ *              +-------------------------------------------+
+ *              |            incfs_file_header              |]---+
+ *              +-------------------------------------------+    |
+ *              |                 metadata                  |<---+
+ *              |           incfs_file_signature            |]---+
+ *              +-------------------------------------------+    |
+ *                        .........................              |
+ *              +-------------------------------------------+    |   metadata
+ *     +------->|               blockmap area               |    |  list links
+ *     |        |          [incfs_blockmap_entry]           |    |
+ *     |        |          [incfs_blockmap_entry]           |    |
+ *     |        |          [incfs_blockmap_entry]           |    |
+ *     |    +--[|          [incfs_blockmap_entry]           |    |
+ *     |    |   |          [incfs_blockmap_entry]           |    |
+ *     |    |   |          [incfs_blockmap_entry]           |    |
+ *     |    |   +-------------------------------------------+    |
+ *     |    |             .........................              |
+ *     |    |   +-------------------------------------------+    |
+ *     |    |   |                 metadata                  |<---+
+ *     +----|--[|               incfs_blockmap              |]---+
+ *          |   +-------------------------------------------+    |
+ *          |             .........................              |
+ *          |   +-------------------------------------------+    |
+ *          +-->|                 data block                |    |
+ *              +-------------------------------------------+    |
+ *                        .........................              |
+ *              +-------------------------------------------+    |
+ *              |                 metadata                  |<---+
+ *              |              incfs_file_attr              |
+ *              +-------------------------------------------+
+ */
+#ifndef _INCFS_FORMAT_H
+#define _INCFS_FORMAT_H
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <uapi/linux/incrementalfs.h>
+
+#include "internal.h"
+
+#define INCFS_MAX_NAME_LEN 255
+#define INCFS_FORMAT_V1 1
+#define INCFS_FORMAT_CURRENT_VER INCFS_FORMAT_V1
+
+enum incfs_metadata_type {
+	INCFS_MD_NONE = 0,
+	INCFS_MD_BLOCK_MAP = 1,
+	INCFS_MD_FILE_ATTR = 2,
+	INCFS_MD_SIGNATURE = 3,
+	INCFS_MD_STATUS = 4,
+	INCFS_MD_VERITY_SIGNATURE = 5,
+};
+
+enum incfs_file_header_flags {
+	INCFS_FILE_MAPPED = 1 << 1,
+};
+
+/* Header included at the beginning of all metadata records on the disk. */
+struct incfs_md_header {
+	__u8 h_md_entry_type;
+
+	/*
+	 * Size of the metadata record.
+	 * (e.g. inode, dir entry etc) not just this struct.
+	 */
+	__le16 h_record_size;
+
+	/*
+	 * Was: CRC32 of the metadata record.
+	 * (e.g. inode, dir entry etc) not just this struct.
+	 */
+	__le32 h_unused1;
+
+	/* Offset of the next metadata entry if any */
+	__le64 h_next_md_offset;
+
+	/* Was: Offset of the previous metadata entry if any */
+	__le64 h_unused2;
+
+} __packed;
+
+/* Backing file header */
+struct incfs_file_header {
+	/* Magic number: INCFS_MAGIC_NUMBER */
+	__le64 fh_magic;
+
+	/* Format version: INCFS_FORMAT_CURRENT_VER */
+	__le64 fh_version;
+
+	/* sizeof(incfs_file_header) */
+	__le16 fh_header_size;
+
+	/* INCFS_DATA_FILE_BLOCK_SIZE */
+	__le16 fh_data_block_size;
+
+	/* File flags, from incfs_file_header_flags */
+	__le32 fh_flags;
+
+	union {
+		/* Standard incfs file */
+		struct {
+			/* Offset of the first metadata record */
+			__le64 fh_first_md_offset;
+
+			/* Full size of the file's content */
+			__le64 fh_file_size;
+
+			/* File uuid */
+			incfs_uuid_t fh_uuid;
+		};
+
+		/* Mapped file - INCFS_FILE_MAPPED set in fh_flags */
+		struct {
+			/* Offset in original file */
+			__le64 fh_original_offset;
+
+			/* Full size of the file's content */
+			__le64 fh_mapped_file_size;
+
+			/* Original file's uuid */
+			incfs_uuid_t fh_original_uuid;
+		};
+	};
+} __packed;
+
+enum incfs_block_map_entry_flags {
+	INCFS_BLOCK_COMPRESSED_LZ4 = 1,
+	INCFS_BLOCK_COMPRESSED_ZSTD = 2,
+
+	/* Reserve 3 bits for compression alg */
+	INCFS_BLOCK_COMPRESSED_MASK = 7,
+};
+
+/* Block map entry pointing to an actual location of the data block. */
+struct incfs_blockmap_entry {
+	/* Offset of the actual data block. Lower 32 bits */
+	__le32 me_data_offset_lo;
+
+	/* Offset of the actual data block. Higher 16 bits */
+	__le16 me_data_offset_hi;
+
+	/* How many bytes the data actually occupies in the backing file */
+	__le16 me_data_size;
+
+	/* Block flags from incfs_block_map_entry_flags */
+	__le16 me_flags;
+} __packed;
+
+/* Metadata record for locations of file blocks. Type = INCFS_MD_BLOCK_MAP */
+struct incfs_blockmap {
+	struct incfs_md_header m_header;
+
+	/* Base offset of the array of incfs_blockmap_entry */
+	__le64 m_base_offset;
+
+	/* Size of the map entry array in blocks */
+	__le32 m_block_count;
+} __packed;
+
+/*
+ * Metadata record for file signature. Type = INCFS_MD_SIGNATURE
+ *
+ * The signature stored here is the APK V4 signature data blob. See the
+ * definition of incfs_new_file_args::signature_info for an explanation of this
+ * blob. Specifically, it contains the root hash, but it does *not* contain
+ * anything that the kernel treats as a signature.
+ *
+ * When FS_IOC_ENABLE_VERITY is called on a file without this record, an APK V4
+ * signature blob and a hash tree are added to the file, and then this metadata
+ * record is created to record their locations.
+ */
+struct incfs_file_signature {
+	struct incfs_md_header sg_header;
+
+	__le32 sg_sig_size; /* The size of the signature. */
+
+	__le64 sg_sig_offset; /* Signature's offset in the backing file */
+
+	__le32 sg_hash_tree_size; /* The size of the hash tree. */
+
+	__le64 sg_hash_tree_offset; /* Hash tree offset in the backing file */
+} __packed;
+
+/* In memory version of above */
+struct incfs_df_signature {
+	u32 sig_size;
+	u64 sig_offset;
+	u32 hash_size;
+	u64 hash_offset;
+};
+
+struct incfs_status {
+	struct incfs_md_header is_header;
+
+	__le32 is_data_blocks_written; /* Number of data blocks written */
+
+	__le32 is_hash_blocks_written; /* Number of hash blocks written */
+
+	__le32 is_dummy[6]; /* Spare fields */
+} __packed;
+
+/*
+ * Metadata record for verity signature. Type = INCFS_MD_VERITY_SIGNATURE
+ *
+ * This record will only exist for verity-enabled files with signatures. Verity
+ * enabled files without signatures do not have this record. This signature is
+ * checked by fs-verity identically to any other fs-verity signature.
+ */
+struct incfs_file_verity_signature {
+	struct incfs_md_header vs_header;
+
+	 /* The size of the signature */
+	__le32 vs_size;
+
+	 /* Signature's offset in the backing file */
+	__le64 vs_offset;
+} __packed;
+
+/* In memory version of above */
+struct incfs_df_verity_signature {
+	u32 size;
+	u64 offset;
+};
+
+/* State of the backing file. */
+struct backing_file_context {
+	/* Protects writes to bc_file */
+	struct mutex bc_mutex;
+
+	/* File object to read data from */
+	struct file *bc_file;
+
+	/*
+	 * Offset of the last known metadata record in the backing file.
+	 * 0 means there are no metadata records.
+	 */
+	loff_t bc_last_md_record_offset;
+
+	/*
+	 * Credentials to set before reads/writes
+	 * Note that this is a pointer to the mount_info mi_owner field so
+	 * there is no need to get/put the creds
+	 */
+	const struct cred *bc_cred;
+};
+
+struct metadata_handler {
+	loff_t md_record_offset;
+	loff_t md_prev_record_offset;
+	void *context;
+
+	union {
+		struct incfs_md_header md_header;
+		struct incfs_blockmap blockmap;
+		struct incfs_file_signature signature;
+		struct incfs_status status;
+		struct incfs_file_verity_signature verity_signature;
+	} md_buffer;
+
+	int (*handle_blockmap)(struct incfs_blockmap *bm,
+			       struct metadata_handler *handler);
+	int (*handle_signature)(struct incfs_file_signature *sig,
+				 struct metadata_handler *handler);
+	int (*handle_status)(struct incfs_status *sig,
+				 struct metadata_handler *handler);
+	int (*handle_verity_signature)(struct incfs_file_verity_signature *s,
+					struct metadata_handler *handler);
+};
+#define INCFS_MAX_METADATA_RECORD_SIZE \
+	sizeof_field(struct metadata_handler, md_buffer)
+
+/* Backing file context management */
+struct mount_info;
+struct backing_file_context *incfs_alloc_bfc(struct mount_info *mi,
+					     struct file *backing_file);
+
+void incfs_free_bfc(struct backing_file_context *bfc);
+
+/* Writing stuff */
+int incfs_write_blockmap_to_backing_file(struct backing_file_context *bfc,
+					 u32 block_count);
+
+int incfs_write_fh_to_backing_file(struct backing_file_context *bfc,
+				   incfs_uuid_t *uuid, u64 file_size);
+
+int incfs_write_mapping_fh_to_backing_file(struct backing_file_context *bfc,
+				incfs_uuid_t *uuid, u64 file_size, u64 offset);
+
+int incfs_write_data_block_to_backing_file(struct backing_file_context *bfc,
+					   struct mem_range block,
+					   int block_index, loff_t bm_base_off,
+					   u16 flags);
+
+int incfs_write_hash_block_to_backing_file(struct backing_file_context *bfc,
+					   struct mem_range block,
+					   int block_index,
+					   loff_t hash_area_off,
+					   loff_t bm_base_off,
+					   loff_t file_size);
+
+int incfs_write_signature_to_backing_file(struct backing_file_context *bfc,
+				struct mem_range sig, u32 tree_size,
+				loff_t *tree_offset, loff_t *sig_offset);
+
+int incfs_write_status_to_backing_file(struct backing_file_context *bfc,
+				       loff_t status_offset,
+				       u32 data_blocks_written,
+				       u32 hash_blocks_written);
+int incfs_write_verity_signature_to_backing_file(
+		struct backing_file_context *bfc, struct mem_range signature,
+		loff_t *offset);
+
+/* Reading stuff */
+int incfs_read_file_header(struct backing_file_context *bfc,
+			   loff_t *first_md_off, incfs_uuid_t *uuid,
+			   u64 *file_size, u32 *flags);
+
+int incfs_read_blockmap_entry(struct backing_file_context *bfc, int block_index,
+			      loff_t bm_base_off,
+			      struct incfs_blockmap_entry *bm_entry);
+
+int incfs_read_blockmap_entries(struct backing_file_context *bfc,
+		struct incfs_blockmap_entry *entries,
+		int start_index, int blocks_number,
+		loff_t bm_base_off);
+
+int incfs_read_next_metadata_record(struct backing_file_context *bfc,
+				    struct metadata_handler *handler);
+
+ssize_t incfs_kread(struct backing_file_context *bfc, void *buf, size_t size,
+		    loff_t pos);
+ssize_t incfs_kwrite(struct backing_file_context *bfc, const void *buf,
+		     size_t size, loff_t pos);
+
+#endif /* _INCFS_FORMAT_H */
diff --git a/fs/incfs/integrity.c b/fs/incfs/integrity.c
new file mode 100644
index 0000000..bce319e
--- /dev/null
+++ b/fs/incfs/integrity.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+#include <crypto/sha.h>
+#include <crypto/hash.h>
+#include <linux/err.h>
+#include <linux/version.h>
+
+#include "integrity.h"
+
+struct incfs_hash_alg *incfs_get_hash_alg(enum incfs_hash_tree_algorithm id)
+{
+	static struct incfs_hash_alg sha256 = {
+		.name = "sha256",
+		.digest_size = SHA256_DIGEST_SIZE,
+		.id = INCFS_HASH_TREE_SHA256
+	};
+	struct incfs_hash_alg *result = NULL;
+	struct crypto_shash *shash;
+
+	if (id == INCFS_HASH_TREE_SHA256) {
+		BUILD_BUG_ON(INCFS_MAX_HASH_SIZE < SHA256_DIGEST_SIZE);
+		result = &sha256;
+	}
+
+	if (result == NULL)
+		return ERR_PTR(-ENOENT);
+
+	/* pairs with cmpxchg_release() below */
+	shash = smp_load_acquire(&result->shash);
+	if (shash)
+		return result;
+
+	shash = crypto_alloc_shash(result->name, 0, 0);
+	if (IS_ERR(shash)) {
+		int err = PTR_ERR(shash);
+
+		pr_err("Can't allocate hash alg %s, error code:%d",
+			result->name, err);
+		return ERR_PTR(err);
+	}
+
+	/* pairs with smp_load_acquire() above */
+	if (cmpxchg_release(&result->shash, NULL, shash) != NULL)
+		crypto_free_shash(shash);
+
+	return result;
+}
+
+struct signature_info {
+	u32 version;
+	enum incfs_hash_tree_algorithm hash_algorithm;
+	u8 log2_blocksize;
+	struct mem_range salt;
+	struct mem_range root_hash;
+};
+
+static bool read_u32(u8 **p, u8 *top, u32 *result)
+{
+	if (*p + sizeof(u32) > top)
+		return false;
+
+	*result = le32_to_cpu(*(__le32 *)*p);
+	*p += sizeof(u32);
+	return true;
+}
+
+static bool read_u8(u8 **p, u8 *top, u8 *result)
+{
+	if (*p + sizeof(u8) > top)
+		return false;
+
+	*result = *(u8 *)*p;
+	*p += sizeof(u8);
+	return true;
+}
+
+static bool read_mem_range(u8 **p, u8 *top, struct mem_range *range)
+{
+	u32 len;
+
+	if (!read_u32(p, top, &len) || *p + len > top)
+		return false;
+
+	range->len = len;
+	range->data = *p;
+	*p += len;
+	return true;
+}
+
+static int incfs_parse_signature(struct mem_range signature,
+				 struct signature_info *si)
+{
+	u8 *p = signature.data;
+	u8 *top = signature.data + signature.len;
+	u32 hash_section_size;
+
+	if (signature.len > INCFS_MAX_SIGNATURE_SIZE)
+		return -EINVAL;
+
+	if (!read_u32(&p, top, &si->version) ||
+	    si->version != INCFS_SIGNATURE_VERSION)
+		return -EINVAL;
+
+	if (!read_u32(&p, top, &hash_section_size) ||
+	    p + hash_section_size > top)
+		return -EINVAL;
+	top = p + hash_section_size;
+
+	if (!read_u32(&p, top, &si->hash_algorithm) ||
+	    si->hash_algorithm != INCFS_HASH_TREE_SHA256)
+		return -EINVAL;
+
+	if (!read_u8(&p, top, &si->log2_blocksize) || si->log2_blocksize != 12)
+		return -EINVAL;
+
+	if (!read_mem_range(&p, top, &si->salt))
+		return -EINVAL;
+
+	if (!read_mem_range(&p, top, &si->root_hash))
+		return -EINVAL;
+
+	if (p != top)
+		return -EINVAL;
+
+	return 0;
+}
+
+struct mtree *incfs_alloc_mtree(struct mem_range signature,
+				int data_block_count)
+{
+	int error;
+	struct signature_info si;
+	struct mtree *result = NULL;
+	struct incfs_hash_alg *hash_alg = NULL;
+	int hash_per_block;
+	int lvl;
+	int total_blocks = 0;
+	int blocks_in_level[INCFS_MAX_MTREE_LEVELS];
+	int blocks = data_block_count;
+
+	if (data_block_count <= 0)
+		return ERR_PTR(-EINVAL);
+
+	error = incfs_parse_signature(signature, &si);
+	if (error)
+		return ERR_PTR(error);
+
+	hash_alg = incfs_get_hash_alg(si.hash_algorithm);
+	if (IS_ERR(hash_alg))
+		return ERR_PTR(PTR_ERR(hash_alg));
+
+	if (si.root_hash.len < hash_alg->digest_size)
+		return ERR_PTR(-EINVAL);
+
+	result = kzalloc(sizeof(*result), GFP_NOFS);
+	if (!result)
+		return ERR_PTR(-ENOMEM);
+
+	result->alg = hash_alg;
+	hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / result->alg->digest_size;
+
+	/* Calculating tree geometry. */
+	/* First pass: calculate how many blocks in each tree level. */
+	for (lvl = 0; blocks > 1; lvl++) {
+		if (lvl >= INCFS_MAX_MTREE_LEVELS) {
+			pr_err("incfs: too much data in mtree");
+			goto err;
+		}
+
+		blocks = (blocks + hash_per_block - 1) / hash_per_block;
+		blocks_in_level[lvl] = blocks;
+		total_blocks += blocks;
+	}
+	result->depth = lvl;
+	result->hash_tree_area_size = total_blocks * INCFS_DATA_FILE_BLOCK_SIZE;
+	if (result->hash_tree_area_size > INCFS_MAX_HASH_AREA_SIZE)
+		goto err;
+
+	blocks = 0;
+	/* Second pass: calculate offset of each level. 0th level goes last. */
+	for (lvl = 0; lvl < result->depth; lvl++) {
+		u32 suboffset;
+
+		blocks += blocks_in_level[lvl];
+		suboffset = (total_blocks - blocks)
+					* INCFS_DATA_FILE_BLOCK_SIZE;
+
+		result->hash_level_suboffset[lvl] = suboffset;
+	}
+
+	/* Root hash is stored separately from the rest of the tree. */
+	memcpy(result->root_hash, si.root_hash.data, hash_alg->digest_size);
+	return result;
+
+err:
+	kfree(result);
+	return ERR_PTR(-E2BIG);
+}
+
+void incfs_free_mtree(struct mtree *tree)
+{
+	kfree(tree);
+}
+
+int incfs_calc_digest(struct incfs_hash_alg *alg, struct mem_range data,
+			struct mem_range digest)
+{
+	SHASH_DESC_ON_STACK(desc, alg->shash);
+
+	if (!alg || !alg->shash || !data.data || !digest.data)
+		return -EFAULT;
+
+	if (alg->digest_size > digest.len)
+		return -EINVAL;
+
+	desc->tfm = alg->shash;
+
+	if (data.len < INCFS_DATA_FILE_BLOCK_SIZE) {
+		int err;
+		void *buf = kzalloc(INCFS_DATA_FILE_BLOCK_SIZE, GFP_NOFS);
+
+		if (!buf)
+			return -ENOMEM;
+
+		memcpy(buf, data.data, data.len);
+		err = crypto_shash_digest(desc, buf, INCFS_DATA_FILE_BLOCK_SIZE,
+					  digest.data);
+		kfree(buf);
+		return err;
+	}
+	return crypto_shash_digest(desc, data.data, data.len, digest.data);
+}
+
diff --git a/fs/incfs/integrity.h b/fs/incfs/integrity.h
new file mode 100644
index 0000000..cf79b64
--- /dev/null
+++ b/fs/incfs/integrity.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+#ifndef _INCFS_INTEGRITY_H
+#define _INCFS_INTEGRITY_H
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <crypto/hash.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "internal.h"
+
+#define INCFS_MAX_MTREE_LEVELS 8
+#define INCFS_MAX_HASH_AREA_SIZE (1280 * 1024 * 1024)
+
+struct incfs_hash_alg {
+	const char *name;
+	int digest_size;
+	enum incfs_hash_tree_algorithm id;
+
+	struct crypto_shash *shash;
+};
+
+/* Merkle tree structure. */
+struct mtree {
+	struct incfs_hash_alg *alg;
+
+	u8 root_hash[INCFS_MAX_HASH_SIZE];
+
+	/* Offset of each hash level in the hash area. */
+	u32 hash_level_suboffset[INCFS_MAX_MTREE_LEVELS];
+
+	u32 hash_tree_area_size;
+
+	/* Number of levels in hash_level_suboffset */
+	int depth;
+};
+
+struct incfs_hash_alg *incfs_get_hash_alg(enum incfs_hash_tree_algorithm id);
+
+struct mtree *incfs_alloc_mtree(struct mem_range signature,
+				int data_block_count);
+
+void incfs_free_mtree(struct mtree *tree);
+
+size_t incfs_get_mtree_depth(enum incfs_hash_tree_algorithm alg, loff_t size);
+
+size_t incfs_get_mtree_hash_count(enum incfs_hash_tree_algorithm alg,
+					loff_t size);
+
+int incfs_calc_digest(struct incfs_hash_alg *alg, struct mem_range data,
+			struct mem_range digest);
+
+#endif /* _INCFS_INTEGRITY_H */
diff --git a/fs/incfs/internal.h b/fs/incfs/internal.h
new file mode 100644
index 0000000..c2df8bf
--- /dev/null
+++ b/fs/incfs/internal.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2018 Google LLC
+ */
+#ifndef _INCFS_INTERNAL_H
+#define _INCFS_INTERNAL_H
+#include <linux/types.h>
+
+struct mem_range {
+	u8 *data;
+	size_t len;
+};
+
+static inline struct mem_range range(u8 *data, size_t len)
+{
+	return (struct mem_range){ .data = data, .len = len };
+}
+
+#define LOCK_REQUIRED(lock)  WARN_ON_ONCE(!mutex_is_locked(&lock))
+
+#define EFSCORRUPTED EUCLEAN
+
+#endif /* _INCFS_INTERNAL_H */
diff --git a/fs/incfs/main.c b/fs/incfs/main.c
new file mode 100644
index 0000000..213faa5
--- /dev/null
+++ b/fs/incfs/main.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "sysfs.h"
+#include "vfs.h"
+
+static struct file_system_type incfs_fs_type = {
+	.owner = THIS_MODULE,
+	.name = INCFS_NAME,
+	.mount = incfs_mount_fs,
+	.kill_sb = incfs_kill_sb,
+	.fs_flags = 0
+};
+
+static int __init init_incfs_module(void)
+{
+	int err = 0;
+
+	err = incfs_init_sysfs();
+	if (err)
+		return err;
+
+	err = register_filesystem(&incfs_fs_type);
+	if (err)
+		incfs_cleanup_sysfs();
+
+	return err;
+}
+
+static void __exit cleanup_incfs_module(void)
+{
+	incfs_cleanup_sysfs();
+	unregister_filesystem(&incfs_fs_type);
+}
+
+module_init(init_incfs_module);
+module_exit(cleanup_incfs_module);
+
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
+MODULE_AUTHOR("Eugene Zemtsov <ezemtsov@google.com>");
+MODULE_DESCRIPTION("Incremental File System");
diff --git a/fs/incfs/pseudo_files.c b/fs/incfs/pseudo_files.c
new file mode 100644
index 0000000..d43ccb2
--- /dev/null
+++ b/fs/incfs/pseudo_files.c
@@ -0,0 +1,1391 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/fsnotify.h>
+#include <linux/namei.h>
+#include <linux/poll.h>
+#include <linux/syscalls.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "pseudo_files.h"
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "integrity.h"
+#include "vfs.h"
+
+#define READ_WRITE_FILE_MODE 0666
+
+static bool is_pseudo_filename(struct mem_range name);
+
+/*******************************************************************************
+ * .pending_reads pseudo file definition
+ ******************************************************************************/
+#define INCFS_PENDING_READS_INODE 2
+static const char pending_reads_file_name[] = INCFS_PENDING_READS_FILENAME;
+
+/* State of an open .pending_reads file, unique for each file descriptor. */
+struct pending_reads_state {
+	/* A serial number of the last pending read obtained from this file. */
+	int last_pending_read_sn;
+};
+
+static ssize_t pending_reads_read(struct file *f, char __user *buf, size_t len,
+			    loff_t *ppos)
+{
+	struct pending_reads_state *pr_state = f->private_data;
+	struct mount_info *mi = get_mount_info(file_superblock(f));
+	bool report_uid;
+	unsigned long page = 0;
+	struct incfs_pending_read_info *reads_buf = NULL;
+	struct incfs_pending_read_info2 *reads_buf2 = NULL;
+	size_t record_size;
+	size_t reads_to_collect;
+	int last_known_read_sn = READ_ONCE(pr_state->last_pending_read_sn);
+	int new_max_sn = last_known_read_sn;
+	int reads_collected = 0;
+	ssize_t result = 0;
+
+	if (!mi)
+		return -EFAULT;
+
+	report_uid = mi->mi_options.report_uid;
+	record_size = report_uid ? sizeof(*reads_buf2) : sizeof(*reads_buf);
+	reads_to_collect = len / record_size;
+
+	if (!incfs_fresh_pending_reads_exist(mi, last_known_read_sn))
+		return 0;
+
+	page = get_zeroed_page(GFP_NOFS);
+	if (!page)
+		return -ENOMEM;
+
+	if (report_uid)
+		reads_buf2 = (struct incfs_pending_read_info2 *) page;
+	else
+		reads_buf = (struct incfs_pending_read_info *) page;
+
+	reads_to_collect =
+		min_t(size_t, PAGE_SIZE / record_size, reads_to_collect);
+
+	reads_collected = incfs_collect_pending_reads(mi, last_known_read_sn,
+				reads_buf, reads_buf2, reads_to_collect,
+				&new_max_sn);
+
+	if (reads_collected < 0) {
+		result = reads_collected;
+		goto out;
+	}
+
+	/*
+	 * Just to make sure that we don't accidentally copy more data
+	 * to reads buffer than userspace can handle.
+	 */
+	reads_collected = min_t(size_t, reads_collected, reads_to_collect);
+	result = reads_collected * record_size;
+
+	/* Copy reads info to the userspace buffer */
+	if (copy_to_user(buf, (void *)page, result)) {
+		result = -EFAULT;
+		goto out;
+	}
+
+	WRITE_ONCE(pr_state->last_pending_read_sn, new_max_sn);
+	*ppos = 0;
+
+out:
+	free_page(page);
+	return result;
+}
+
+static __poll_t pending_reads_poll(struct file *file, poll_table *wait)
+{
+	struct pending_reads_state *state = file->private_data;
+	struct mount_info *mi = get_mount_info(file_superblock(file));
+	__poll_t ret = 0;
+
+	poll_wait(file, &mi->mi_pending_reads_notif_wq, wait);
+	if (incfs_fresh_pending_reads_exist(mi,
+					    state->last_pending_read_sn))
+		ret = EPOLLIN | EPOLLRDNORM;
+
+	return ret;
+}
+
+static int pending_reads_open(struct inode *inode, struct file *file)
+{
+	struct pending_reads_state *state = NULL;
+
+	state = kzalloc(sizeof(*state), GFP_NOFS);
+	if (!state)
+		return -ENOMEM;
+
+	file->private_data = state;
+	return 0;
+}
+
+static int pending_reads_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static long ioctl_permit_fill(struct file *f, void __user *arg)
+{
+	struct incfs_permit_fill __user *usr_permit_fill = arg;
+	struct incfs_permit_fill permit_fill;
+	long error = 0;
+	struct file *file = NULL;
+	struct incfs_file_data *fd;
+
+	if (copy_from_user(&permit_fill, usr_permit_fill, sizeof(permit_fill)))
+		return -EFAULT;
+
+	file = fget(permit_fill.file_descriptor);
+	if (IS_ERR_OR_NULL(file)) {
+		if (!file)
+			return -ENOENT;
+
+		return PTR_ERR(file);
+	}
+
+	if (file->f_op != &incfs_file_ops) {
+		error = -EPERM;
+		goto out;
+	}
+
+	if (file->f_inode->i_sb != f->f_inode->i_sb) {
+		error = -EPERM;
+		goto out;
+	}
+
+	fd = file->private_data;
+
+	switch (fd->fd_fill_permission) {
+	case CANT_FILL:
+		fd->fd_fill_permission = CAN_FILL;
+		break;
+
+	case CAN_FILL:
+		pr_debug("CAN_FILL already set");
+		break;
+
+	default:
+		pr_warn("Invalid file private data");
+		error = -EFAULT;
+		goto out;
+	}
+
+out:
+	fput(file);
+	return error;
+}
+
+static int chmod(struct dentry *dentry, umode_t mode)
+{
+	struct inode *inode = dentry->d_inode;
+	struct inode *delegated_inode = NULL;
+	struct iattr newattrs;
+	int error;
+
+retry_deleg:
+	inode_lock(inode);
+	newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
+	newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
+	error = notify_change(dentry, &newattrs, &delegated_inode);
+	inode_unlock(inode);
+	if (delegated_inode) {
+		error = break_deleg_wait(&delegated_inode);
+		if (!error)
+			goto retry_deleg;
+	}
+	return error;
+}
+
+static bool incfs_equal_ranges(struct mem_range lhs, struct mem_range rhs)
+{
+	if (lhs.len != rhs.len)
+		return false;
+	return memcmp(lhs.data, rhs.data, lhs.len) == 0;
+}
+
+static int validate_name(char *file_name)
+{
+	struct mem_range name = range(file_name, strlen(file_name));
+	int i = 0;
+
+	if (name.len > INCFS_MAX_NAME_LEN)
+		return -ENAMETOOLONG;
+
+	if (is_pseudo_filename(name))
+		return -EINVAL;
+
+	for (i = 0; i < name.len; i++)
+		if (name.data[i] == '/')
+			return -EINVAL;
+
+	return 0;
+}
+
+static int dir_relative_path_resolve(
+			struct mount_info *mi,
+			const char __user *relative_path,
+			struct path *result_path,
+			struct path *base_path)
+{
+	int dir_fd = get_unused_fd_flags(0);
+	struct file *dir_f = NULL;
+	int error = 0;
+
+	if (!base_path)
+		base_path = &mi->mi_backing_dir_path;
+
+	if (dir_fd < 0)
+		return dir_fd;
+
+	dir_f = dentry_open(base_path, O_RDONLY | O_NOATIME, current_cred());
+
+	if (IS_ERR(dir_f)) {
+		error = PTR_ERR(dir_f);
+		goto out;
+	}
+	fd_install(dir_fd, dir_f);
+
+	if (!relative_path) {
+		/* No relative path given, just return the base dir. */
+		*result_path = *base_path;
+		path_get(result_path);
+		goto out;
+	}
+
+	error = user_path_at_empty(dir_fd, relative_path,
+		LOOKUP_FOLLOW | LOOKUP_DIRECTORY, result_path, NULL);
+
+out:
+	ksys_close(dir_fd);
+	if (error)
+		pr_debug("Error: %d\n", error);
+	return error;
+}
+
+static struct mem_range incfs_copy_signature_info_from_user(u8 __user *original,
+							    u64 size)
+{
+	u8 *result;
+
+	if (!original)
+		return range(NULL, 0);
+
+	if (size > INCFS_MAX_SIGNATURE_SIZE)
+		return range(ERR_PTR(-EFAULT), 0);
+
+	result = kzalloc(size, GFP_NOFS | __GFP_COMP);
+	if (!result)
+		return range(ERR_PTR(-ENOMEM), 0);
+
+	if (copy_from_user(result, original, size)) {
+		kfree(result);
+		return range(ERR_PTR(-EFAULT), 0);
+	}
+
+	return range(result, size);
+}
+
+static int init_new_file(struct mount_info *mi, struct dentry *dentry,
+			 incfs_uuid_t *uuid, u64 size, struct mem_range attr,
+			 u8 __user *user_signature_info, u64 signature_size)
+{
+	struct path path = {};
+	struct file *new_file;
+	int error = 0;
+	struct backing_file_context *bfc = NULL;
+	u32 block_count;
+	struct mem_range raw_signature = { NULL };
+	struct mtree *hash_tree = NULL;
+
+	if (!mi || !dentry || !uuid)
+		return -EFAULT;
+
+	/* Resize newly created file to its true size. */
+	path = (struct path) {
+		.mnt = mi->mi_backing_dir_path.mnt,
+		.dentry = dentry
+	};
+
+	new_file = dentry_open(&path, O_RDWR | O_NOATIME | O_LARGEFILE,
+			       current_cred());
+
+	if (IS_ERR(new_file)) {
+		error = PTR_ERR(new_file);
+		goto out;
+	}
+
+	bfc = incfs_alloc_bfc(mi, new_file);
+	fput(new_file);
+	if (IS_ERR(bfc)) {
+		error = PTR_ERR(bfc);
+		bfc = NULL;
+		goto out;
+	}
+
+	mutex_lock(&bfc->bc_mutex);
+	error = incfs_write_fh_to_backing_file(bfc, uuid, size);
+	if (error)
+		goto out;
+
+	block_count = (u32)get_blocks_count_for_size(size);
+
+	if (user_signature_info) {
+		raw_signature = incfs_copy_signature_info_from_user(
+			user_signature_info, signature_size);
+
+		if (IS_ERR(raw_signature.data)) {
+			error = PTR_ERR(raw_signature.data);
+			raw_signature.data = NULL;
+			goto out;
+		}
+
+		hash_tree = incfs_alloc_mtree(raw_signature, block_count);
+		if (IS_ERR(hash_tree)) {
+			error = PTR_ERR(hash_tree);
+			hash_tree = NULL;
+			goto out;
+		}
+
+		error = incfs_write_signature_to_backing_file(bfc,
+				raw_signature, hash_tree->hash_tree_area_size,
+				NULL, NULL);
+		if (error)
+			goto out;
+
+		block_count += get_blocks_count_for_size(
+			hash_tree->hash_tree_area_size);
+	}
+
+	if (block_count)
+		error = incfs_write_blockmap_to_backing_file(bfc, block_count);
+
+	if (error)
+		goto out;
+
+out:
+	if (bfc) {
+		mutex_unlock(&bfc->bc_mutex);
+		incfs_free_bfc(bfc);
+	}
+	incfs_free_mtree(hash_tree);
+	kfree(raw_signature.data);
+
+	if (error)
+		pr_debug("incfs: %s error: %d\n", __func__, error);
+	return error;
+}
+
+static void notify_create(struct file *pending_reads_file,
+			  const char  __user *dir_name, const char *file_name,
+			  const char *file_id_str, bool incomplete_file)
+{
+	struct mount_info *mi =
+		get_mount_info(file_superblock(pending_reads_file));
+	struct path base_path = {
+		.mnt = pending_reads_file->f_path.mnt,
+		.dentry = pending_reads_file->f_path.dentry->d_parent,
+	};
+	struct path dir_path = {};
+	struct dentry *file = NULL;
+	struct dentry *dir = NULL;
+	int error;
+
+	error = dir_relative_path_resolve(mi, dir_name, &dir_path, &base_path);
+	if (error)
+		goto out;
+
+	file = incfs_lookup_dentry(dir_path.dentry, file_name);
+	if (IS_ERR(file)) {
+		error = PTR_ERR(file);
+		file = NULL;
+		goto out;
+	}
+
+	fsnotify_create(d_inode(dir_path.dentry), file);
+
+	if (file_id_str) {
+		dir = incfs_lookup_dentry(base_path.dentry, INCFS_INDEX_NAME);
+		if (IS_ERR(dir)) {
+			error = PTR_ERR(dir);
+			dir = NULL;
+			goto out;
+		}
+
+		dput(file);
+		file = incfs_lookup_dentry(dir, file_id_str);
+		if (IS_ERR(file)) {
+			error = PTR_ERR(file);
+			file = NULL;
+			goto out;
+		}
+
+		fsnotify_create(d_inode(dir), file);
+
+		if (incomplete_file) {
+			dput(dir);
+			dir = incfs_lookup_dentry(base_path.dentry,
+						  INCFS_INCOMPLETE_NAME);
+			if (IS_ERR(dir)) {
+				error = PTR_ERR(dir);
+				dir = NULL;
+				goto out;
+			}
+
+			dput(file);
+			file = incfs_lookup_dentry(dir, file_id_str);
+			if (IS_ERR(file)) {
+				error = PTR_ERR(file);
+				file = NULL;
+				goto out;
+			}
+
+			fsnotify_create(d_inode(dir), file);
+		}
+	}
+out:
+	if (error)
+		pr_warn("%s failed with error %d\n", __func__, error);
+
+	dput(dir);
+	dput(file);
+	path_put(&dir_path);
+}
+
+static long ioctl_create_file(struct file *file,
+			struct incfs_new_file_args __user *usr_args)
+{
+	struct mount_info *mi = get_mount_info(file_superblock(file));
+	struct incfs_new_file_args args;
+	char *file_id_str = NULL;
+	struct dentry *index_file_dentry = NULL;
+	struct dentry *named_file_dentry = NULL;
+	struct dentry *incomplete_file_dentry = NULL;
+	struct path parent_dir_path = {};
+	struct inode *index_dir_inode = NULL;
+	__le64 size_attr_value = 0;
+	char *file_name = NULL;
+	char *attr_value = NULL;
+	int error = 0;
+	bool locked = false;
+	bool index_linked = false;
+	bool name_linked = false;
+	bool incomplete_linked = false;
+
+	if (!mi || !mi->mi_index_dir || !mi->mi_incomplete_dir) {
+		error = -EFAULT;
+		goto out;
+	}
+
+	if (copy_from_user(&args, usr_args, sizeof(args)) > 0) {
+		error = -EFAULT;
+		goto out;
+	}
+
+	file_name = strndup_user(u64_to_user_ptr(args.file_name), PATH_MAX);
+	if (IS_ERR(file_name)) {
+		error = PTR_ERR(file_name);
+		file_name = NULL;
+		goto out;
+	}
+
+	error = validate_name(file_name);
+	if (error)
+		goto out;
+
+	file_id_str = file_id_to_str(args.file_id);
+	if (!file_id_str) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	error = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+	if (error)
+		goto out;
+	locked = true;
+
+	/* Find a directory to put the file into. */
+	error = dir_relative_path_resolve(mi,
+			u64_to_user_ptr(args.directory_path),
+			&parent_dir_path, NULL);
+	if (error)
+		goto out;
+
+	if (parent_dir_path.dentry == mi->mi_index_dir) {
+		/* Can't create a file directly inside .index */
+		error = -EBUSY;
+		goto out;
+	}
+
+	if (parent_dir_path.dentry == mi->mi_incomplete_dir) {
+		/* Can't create a file directly inside .incomplete */
+		error = -EBUSY;
+		goto out;
+	}
+
+	/* Look up a dentry in the parent dir. It should be negative. */
+	named_file_dentry = incfs_lookup_dentry(parent_dir_path.dentry,
+					file_name);
+	if (!named_file_dentry) {
+		error = -EFAULT;
+		goto out;
+	}
+	if (IS_ERR(named_file_dentry)) {
+		error = PTR_ERR(named_file_dentry);
+		named_file_dentry = NULL;
+		goto out;
+	}
+	if (d_really_is_positive(named_file_dentry)) {
+		/* File with this path already exists. */
+		error = -EEXIST;
+		goto out;
+	}
+
+	/* Look up a dentry in the incomplete dir. It should be negative. */
+	incomplete_file_dentry = incfs_lookup_dentry(mi->mi_incomplete_dir,
+					file_id_str);
+	if (!incomplete_file_dentry) {
+		error = -EFAULT;
+		goto out;
+	}
+	if (IS_ERR(incomplete_file_dentry)) {
+		error = PTR_ERR(incomplete_file_dentry);
+		incomplete_file_dentry = NULL;
+		goto out;
+	}
+	if (d_really_is_positive(incomplete_file_dentry)) {
+		/* File with this path already exists. */
+		error = -EEXIST;
+		goto out;
+	}
+
+	/* Look up a dentry in the .index dir. It should be negative. */
+	index_file_dentry = incfs_lookup_dentry(mi->mi_index_dir, file_id_str);
+	if (!index_file_dentry) {
+		error = -EFAULT;
+		goto out;
+	}
+	if (IS_ERR(index_file_dentry)) {
+		error = PTR_ERR(index_file_dentry);
+		index_file_dentry = NULL;
+		goto out;
+	}
+	if (d_really_is_positive(index_file_dentry)) {
+		/* File with this ID already exists in index. */
+		error = -EEXIST;
+		goto out;
+	}
+
+	/* Creating a file in the .index dir. */
+	index_dir_inode = d_inode(mi->mi_index_dir);
+	inode_lock_nested(index_dir_inode, I_MUTEX_PARENT);
+	error = vfs_create(index_dir_inode, index_file_dentry, args.mode | 0222,
+			   true);
+	inode_unlock(index_dir_inode);
+
+	if (error)
+		goto out;
+	if (!d_really_is_positive(index_file_dentry)) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	error = chmod(index_file_dentry, args.mode | 0222);
+	if (error) {
+		pr_debug("incfs: chmod err: %d\n", error);
+		goto out;
+	}
+
+	/* Save the file's ID as an xattr for easy fetching in future. */
+	error = vfs_setxattr(index_file_dentry, INCFS_XATTR_ID_NAME,
+		file_id_str, strlen(file_id_str), XATTR_CREATE);
+	if (error) {
+		pr_debug("incfs: vfs_setxattr err:%d\n", error);
+		goto out;
+	}
+
+	/* Save the file's size as an xattr for easy fetching in future. */
+	size_attr_value = cpu_to_le64(args.size);
+	error = vfs_setxattr(index_file_dentry, INCFS_XATTR_SIZE_NAME,
+		(char *)&size_attr_value, sizeof(size_attr_value),
+		XATTR_CREATE);
+	if (error) {
+		pr_debug("incfs: vfs_setxattr err:%d\n", error);
+		goto out;
+	}
+
+	/* Save the file's attribute as an xattr */
+	if (args.file_attr_len && args.file_attr) {
+		if (args.file_attr_len > INCFS_MAX_FILE_ATTR_SIZE) {
+			error = -E2BIG;
+			goto out;
+		}
+
+		attr_value = kmalloc(args.file_attr_len, GFP_NOFS);
+		if (!attr_value) {
+			error = -ENOMEM;
+			goto out;
+		}
+
+		if (copy_from_user(attr_value,
+				u64_to_user_ptr(args.file_attr),
+				args.file_attr_len) > 0) {
+			error = -EFAULT;
+			goto out;
+		}
+
+		error = vfs_setxattr(index_file_dentry,
+				INCFS_XATTR_METADATA_NAME,
+				attr_value, args.file_attr_len,
+				XATTR_CREATE);
+
+		if (error)
+			goto out;
+	}
+
+	/* Initializing a newly created file. */
+	error = init_new_file(mi, index_file_dentry, &args.file_id, args.size,
+			      range(attr_value, args.file_attr_len),
+			      u64_to_user_ptr(args.signature_info),
+			      args.signature_size);
+	if (error)
+		goto out;
+	index_linked = true;
+
+	/* Linking a file with its real name from the requested dir. */
+	error = incfs_link(index_file_dentry, named_file_dentry);
+	if (error)
+		goto out;
+	name_linked = true;
+
+	if (args.size) {
+		/* Linking a file with its incomplete entry */
+		error = incfs_link(index_file_dentry, incomplete_file_dentry);
+		if (error)
+			goto out;
+		incomplete_linked = true;
+	}
+
+	notify_create(file, u64_to_user_ptr(args.directory_path), file_name,
+		      file_id_str, args.size != 0);
+
+out:
+	if (error) {
+		pr_debug("incfs: %s err:%d\n", __func__, error);
+		if (index_linked)
+			incfs_unlink(index_file_dentry);
+		if (name_linked)
+			incfs_unlink(named_file_dentry);
+		if (incomplete_linked)
+			incfs_unlink(incomplete_file_dentry);
+	}
+
+	kfree(file_id_str);
+	kfree(file_name);
+	kfree(attr_value);
+	dput(named_file_dentry);
+	dput(index_file_dentry);
+	dput(incomplete_file_dentry);
+	path_put(&parent_dir_path);
+	if (locked)
+		mutex_unlock(&mi->mi_dir_struct_mutex);
+
+	return error;
+}
+
+static int init_new_mapped_file(struct mount_info *mi, struct dentry *dentry,
+			 incfs_uuid_t *uuid, u64 size, u64 offset)
+{
+	struct path path = {};
+	struct file *new_file;
+	int error = 0;
+	struct backing_file_context *bfc = NULL;
+
+	if (!mi || !dentry || !uuid)
+		return -EFAULT;
+
+	/* Resize newly created file to its true size. */
+	path = (struct path) {
+		.mnt = mi->mi_backing_dir_path.mnt,
+		.dentry = dentry
+	};
+	new_file = dentry_open(&path, O_RDWR | O_NOATIME | O_LARGEFILE,
+			       current_cred());
+
+	if (IS_ERR(new_file)) {
+		error = PTR_ERR(new_file);
+		goto out;
+	}
+
+	bfc = incfs_alloc_bfc(mi, new_file);
+	fput(new_file);
+	if (IS_ERR(bfc)) {
+		error = PTR_ERR(bfc);
+		bfc = NULL;
+		goto out;
+	}
+
+	mutex_lock(&bfc->bc_mutex);
+	error = incfs_write_mapping_fh_to_backing_file(bfc, uuid, size, offset);
+	if (error)
+		goto out;
+
+out:
+	if (bfc) {
+		mutex_unlock(&bfc->bc_mutex);
+		incfs_free_bfc(bfc);
+	}
+
+	if (error)
+		pr_debug("incfs: %s error: %d\n", __func__, error);
+	return error;
+}
+
+static long ioctl_create_mapped_file(struct file *file, void __user *arg)
+{
+	struct mount_info *mi = get_mount_info(file_superblock(file));
+	struct incfs_create_mapped_file_args __user *args_usr_ptr = arg;
+	struct incfs_create_mapped_file_args args = {};
+	char *file_name;
+	int error = 0;
+	struct path parent_dir_path = {};
+	char *source_file_name = NULL;
+	struct dentry *source_file_dentry = NULL;
+	u64 source_file_size;
+	struct dentry *file_dentry = NULL;
+	struct inode *parent_inode;
+	__le64 size_attr_value;
+
+	if (copy_from_user(&args, args_usr_ptr, sizeof(args)) > 0)
+		return -EINVAL;
+
+	file_name = strndup_user(u64_to_user_ptr(args.file_name), PATH_MAX);
+	if (IS_ERR(file_name)) {
+		error = PTR_ERR(file_name);
+		file_name = NULL;
+		goto out;
+	}
+
+	error = validate_name(file_name);
+	if (error)
+		goto out;
+
+	if (args.source_offset % INCFS_DATA_FILE_BLOCK_SIZE) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	/* Validate file mapping is in range */
+	source_file_name = file_id_to_str(args.source_file_id);
+	if (!source_file_name) {
+		pr_warn("Failed to alloc source_file_name\n");
+		error = -ENOMEM;
+		goto out;
+	}
+
+	source_file_dentry = incfs_lookup_dentry(mi->mi_index_dir,
+						       source_file_name);
+	if (!source_file_dentry) {
+		pr_warn("Source file does not exist\n");
+		error = -EINVAL;
+		goto out;
+	}
+	if (IS_ERR(source_file_dentry)) {
+		pr_warn("Error opening source file\n");
+		error = PTR_ERR(source_file_dentry);
+		source_file_dentry = NULL;
+		goto out;
+	}
+	if (!d_really_is_positive(source_file_dentry)) {
+		pr_warn("Source file dentry negative\n");
+		error = -EINVAL;
+		goto out;
+	}
+
+	error = vfs_getxattr(source_file_dentry, INCFS_XATTR_SIZE_NAME,
+			     (char *)&size_attr_value, sizeof(size_attr_value));
+	if (error < 0)
+		goto out;
+
+	if (error != sizeof(size_attr_value)) {
+		pr_warn("Mapped file has no size attr\n");
+		error = -EINVAL;
+		goto out;
+	}
+
+	source_file_size = le64_to_cpu(size_attr_value);
+	if (args.source_offset + args.size > source_file_size) {
+		pr_warn("Mapped file out of range\n");
+		error = -EINVAL;
+		goto out;
+	}
+
+	/* Find a directory to put the file into. */
+	error = dir_relative_path_resolve(mi,
+			u64_to_user_ptr(args.directory_path),
+			&parent_dir_path, NULL);
+	if (error)
+		goto out;
+
+	if (parent_dir_path.dentry == mi->mi_index_dir) {
+		/* Can't create a file directly inside .index */
+		error = -EBUSY;
+		goto out;
+	}
+
+	/* Look up a dentry in the parent dir. It should be negative. */
+	file_dentry = incfs_lookup_dentry(parent_dir_path.dentry,
+					file_name);
+	if (!file_dentry) {
+		error = -EFAULT;
+		goto out;
+	}
+	if (IS_ERR(file_dentry)) {
+		error = PTR_ERR(file_dentry);
+		file_dentry = NULL;
+		goto out;
+	}
+	if (d_really_is_positive(file_dentry)) {
+		error = -EEXIST;
+		goto out;
+	}
+
+	parent_inode = d_inode(parent_dir_path.dentry);
+	inode_lock_nested(parent_inode, I_MUTEX_PARENT);
+	error = vfs_create(parent_inode, file_dentry, args.mode | 0222, true);
+	inode_unlock(parent_inode);
+	if (error)
+		goto out;
+
+	error = chmod(file_dentry, args.mode | 0222);
+	if (error) {
+		pr_debug("incfs: chmod err: %d\n", error);
+		goto delete_file;
+	}
+
+	/* Save the file's size as an xattr for easy fetching in future. */
+	size_attr_value = cpu_to_le64(args.size);
+	error = vfs_setxattr(file_dentry, INCFS_XATTR_SIZE_NAME,
+		(char *)&size_attr_value, sizeof(size_attr_value),
+		XATTR_CREATE);
+	if (error) {
+		pr_debug("incfs: vfs_setxattr err:%d\n", error);
+		goto delete_file;
+	}
+
+	error = init_new_mapped_file(mi, file_dentry, &args.source_file_id,
+			args.size, args.source_offset);
+	if (error)
+		goto delete_file;
+
+	notify_create(file, u64_to_user_ptr(args.directory_path), file_name,
+		      NULL, false);
+
+	goto out;
+
+delete_file:
+	incfs_unlink(file_dentry);
+
+out:
+	dput(file_dentry);
+	dput(source_file_dentry);
+	path_put(&parent_dir_path);
+	kfree(file_name);
+	kfree(source_file_name);
+	return error;
+}
+
+static long ioctl_get_read_timeouts(struct mount_info *mi, void __user *arg)
+{
+	struct incfs_get_read_timeouts_args __user *args_usr_ptr = arg;
+	struct incfs_get_read_timeouts_args args = {};
+	int error = 0;
+	struct incfs_per_uid_read_timeouts *buffer;
+	int size;
+
+	if (copy_from_user(&args, args_usr_ptr, sizeof(args)))
+		return -EINVAL;
+
+	if (args.timeouts_array_size > INCFS_DATA_FILE_BLOCK_SIZE)
+		return -EINVAL;
+
+	buffer = kzalloc(args.timeouts_array_size, GFP_NOFS);
+	if (!buffer)
+		return -ENOMEM;
+
+	spin_lock(&mi->mi_per_uid_read_timeouts_lock);
+	size = mi->mi_per_uid_read_timeouts_size;
+	if (args.timeouts_array_size < size)
+		error = -E2BIG;
+	else if (size)
+		memcpy(buffer, mi->mi_per_uid_read_timeouts, size);
+	spin_unlock(&mi->mi_per_uid_read_timeouts_lock);
+
+	args.timeouts_array_size_out = size;
+	if (!error && size)
+		if (copy_to_user(u64_to_user_ptr(args.timeouts_array), buffer,
+				 size))
+			error = -EFAULT;
+
+	if (!error || error == -E2BIG)
+		if (copy_to_user(args_usr_ptr, &args, sizeof(args)) > 0)
+			error = -EFAULT;
+
+	kfree(buffer);
+	return error;
+}
+
+static long ioctl_set_read_timeouts(struct mount_info *mi, void __user *arg)
+{
+	struct incfs_set_read_timeouts_args __user *args_usr_ptr = arg;
+	struct incfs_set_read_timeouts_args args = {};
+	int error = 0;
+	int size;
+	struct incfs_per_uid_read_timeouts *buffer = NULL, *tmp;
+	int i;
+
+	if (copy_from_user(&args, args_usr_ptr, sizeof(args)))
+		return -EINVAL;
+
+	size = args.timeouts_array_size;
+	if (size) {
+		if (size > INCFS_DATA_FILE_BLOCK_SIZE ||
+		    size % sizeof(*buffer) != 0)
+			return -EINVAL;
+
+		buffer = kzalloc(size, GFP_NOFS);
+		if (!buffer)
+			return -ENOMEM;
+
+		if (copy_from_user(buffer, u64_to_user_ptr(args.timeouts_array),
+				   size)) {
+			error = -EINVAL;
+			goto out;
+		}
+
+		for (i = 0; i < size / sizeof(*buffer); ++i) {
+			struct incfs_per_uid_read_timeouts *t = &buffer[i];
+
+			if (t->min_pending_time_us > t->max_pending_time_us) {
+				error = -EINVAL;
+				goto out;
+			}
+		}
+	}
+
+	spin_lock(&mi->mi_per_uid_read_timeouts_lock);
+	mi->mi_per_uid_read_timeouts_size = size;
+	tmp = mi->mi_per_uid_read_timeouts;
+	mi->mi_per_uid_read_timeouts = buffer;
+	buffer = tmp;
+	spin_unlock(&mi->mi_per_uid_read_timeouts_lock);
+
+out:
+	kfree(buffer);
+	return error;
+}
+
+static long ioctl_get_last_read_error(struct mount_info *mi, void __user *arg)
+{
+	struct incfs_get_last_read_error_args __user *args_usr_ptr = arg;
+	struct incfs_get_last_read_error_args args = {};
+	int error;
+
+	error = mutex_lock_interruptible(&mi->mi_le_mutex);
+	if (error)
+		return error;
+
+	args.file_id_out = mi->mi_le_file_id;
+	args.time_us_out = mi->mi_le_time_us;
+	args.page_out = mi->mi_le_page;
+	args.errno_out = mi->mi_le_errno;
+	args.uid_out = mi->mi_le_uid;
+
+	mutex_unlock(&mi->mi_le_mutex);
+	if (copy_to_user(args_usr_ptr, &args, sizeof(args)) > 0)
+		error = -EFAULT;
+
+	return error;
+}
+
+static long pending_reads_dispatch_ioctl(struct file *f, unsigned int req,
+					unsigned long arg)
+{
+	struct mount_info *mi = get_mount_info(file_superblock(f));
+
+	switch (req) {
+	case INCFS_IOC_CREATE_FILE:
+		return ioctl_create_file(f, (void __user *)arg);
+	case INCFS_IOC_PERMIT_FILL:
+		return ioctl_permit_fill(f, (void __user *)arg);
+	case INCFS_IOC_CREATE_MAPPED_FILE:
+		return ioctl_create_mapped_file(f, (void __user *)arg);
+	case INCFS_IOC_GET_READ_TIMEOUTS:
+		return ioctl_get_read_timeouts(mi, (void __user *)arg);
+	case INCFS_IOC_SET_READ_TIMEOUTS:
+		return ioctl_set_read_timeouts(mi, (void __user *)arg);
+	case INCFS_IOC_GET_LAST_READ_ERROR:
+		return ioctl_get_last_read_error(mi, (void __user *)arg);
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct file_operations incfs_pending_reads_file_ops = {
+	.read = pending_reads_read,
+	.poll = pending_reads_poll,
+	.open = pending_reads_open,
+	.release = pending_reads_release,
+	.llseek = noop_llseek,
+	.unlocked_ioctl = pending_reads_dispatch_ioctl,
+	.compat_ioctl = pending_reads_dispatch_ioctl
+};
+
+/*******************************************************************************
+ * .log pseudo file definition
+ ******************************************************************************/
+#define INCFS_LOG_INODE 3
+static const char log_file_name[] = INCFS_LOG_FILENAME;
+
+/* State of an open .log file, unique for each file descriptor. */
+struct log_file_state {
+	struct read_log_state state;
+};
+
+static ssize_t log_read(struct file *f, char __user *buf, size_t len,
+			loff_t *ppos)
+{
+	struct log_file_state *log_state = f->private_data;
+	struct mount_info *mi = get_mount_info(file_superblock(f));
+	int total_reads_collected = 0;
+	int rl_size;
+	ssize_t result = 0;
+	bool report_uid;
+	unsigned long page = 0;
+	struct incfs_pending_read_info *reads_buf = NULL;
+	struct incfs_pending_read_info2 *reads_buf2 = NULL;
+	size_t record_size;
+	ssize_t reads_to_collect;
+	ssize_t reads_per_page;
+
+	if (!mi)
+		return -EFAULT;
+
+	report_uid = mi->mi_options.report_uid;
+	record_size = report_uid ? sizeof(*reads_buf2) : sizeof(*reads_buf);
+	reads_to_collect = len / record_size;
+	reads_per_page = PAGE_SIZE / record_size;
+
+	rl_size = READ_ONCE(mi->mi_log.rl_size);
+	if (rl_size == 0)
+		return 0;
+
+	page = __get_free_page(GFP_NOFS);
+	if (!page)
+		return -ENOMEM;
+
+	if (report_uid)
+		reads_buf2 = (struct incfs_pending_read_info2 *)page;
+	else
+		reads_buf = (struct incfs_pending_read_info *)page;
+
+	reads_to_collect = min_t(ssize_t, rl_size, reads_to_collect);
+	while (reads_to_collect > 0) {
+		struct read_log_state next_state;
+		int reads_collected;
+
+		memcpy(&next_state, &log_state->state, sizeof(next_state));
+		reads_collected = incfs_collect_logged_reads(
+			mi, &next_state, reads_buf, reads_buf2,
+			min_t(ssize_t, reads_to_collect, reads_per_page));
+		if (reads_collected <= 0) {
+			result = total_reads_collected ?
+				       total_reads_collected * record_size :
+				       reads_collected;
+			goto out;
+		}
+		if (copy_to_user(buf, (void *)page,
+				 reads_collected * record_size)) {
+			result = total_reads_collected ?
+				       total_reads_collected * record_size :
+				       -EFAULT;
+			goto out;
+		}
+
+		memcpy(&log_state->state, &next_state, sizeof(next_state));
+		total_reads_collected += reads_collected;
+		buf += reads_collected * record_size;
+		reads_to_collect -= reads_collected;
+	}
+
+	result = total_reads_collected * record_size;
+	*ppos = 0;
+out:
+	free_page(page);
+	return result;
+}
+
+static __poll_t log_poll(struct file *file, poll_table *wait)
+{
+	struct log_file_state *log_state = file->private_data;
+	struct mount_info *mi = get_mount_info(file_superblock(file));
+	int count;
+	__poll_t ret = 0;
+
+	poll_wait(file, &mi->mi_log.ml_notif_wq, wait);
+	count = incfs_get_uncollected_logs_count(mi, &log_state->state);
+	if (count >= mi->mi_options.read_log_wakeup_count)
+		ret = EPOLLIN | EPOLLRDNORM;
+
+	return ret;
+}
+
+static int log_open(struct inode *inode, struct file *file)
+{
+	struct log_file_state *log_state = NULL;
+	struct mount_info *mi = get_mount_info(file_superblock(file));
+
+	log_state = kzalloc(sizeof(*log_state), GFP_NOFS);
+	if (!log_state)
+		return -ENOMEM;
+
+	log_state->state = incfs_get_log_state(mi);
+	file->private_data = log_state;
+	return 0;
+}
+
+static int log_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static const struct file_operations incfs_log_file_ops = {
+	.read = log_read,
+	.poll = log_poll,
+	.open = log_open,
+	.release = log_release,
+	.llseek = noop_llseek,
+};
+
+/*******************************************************************************
+ * .blocks_written pseudo file definition
+ ******************************************************************************/
+#define INCFS_BLOCKS_WRITTEN_INODE 4
+static const char blocks_written_file_name[] = INCFS_BLOCKS_WRITTEN_FILENAME;
+
+/* State of an open .blocks_written file, unique for each file descriptor. */
+struct blocks_written_file_state {
+	unsigned long blocks_written;
+};
+
+static ssize_t blocks_written_read(struct file *f, char __user *buf, size_t len,
+			loff_t *ppos)
+{
+	struct mount_info *mi = get_mount_info(file_superblock(f));
+	struct blocks_written_file_state *state = f->private_data;
+	unsigned long blocks_written;
+	char string[21];
+	int result = 0;
+
+	if (!mi)
+		return -EFAULT;
+
+	blocks_written = atomic_read(&mi->mi_blocks_written);
+	if (state->blocks_written == blocks_written)
+		return 0;
+
+	result = snprintf(string, sizeof(string), "%lu", blocks_written);
+	if (result > len)
+		result = len;
+	if (copy_to_user(buf, string, result))
+		return -EFAULT;
+
+	state->blocks_written = blocks_written;
+	return result;
+}
+
+static __poll_t blocks_written_poll(struct file *f, poll_table *wait)
+{
+	struct mount_info *mi = get_mount_info(file_superblock(f));
+	struct blocks_written_file_state *state = f->private_data;
+	unsigned long blocks_written;
+
+	if (!mi)
+		return 0;
+
+	poll_wait(f, &mi->mi_blocks_written_notif_wq, wait);
+	blocks_written = atomic_read(&mi->mi_blocks_written);
+	if (state->blocks_written == blocks_written)
+		return 0;
+
+	return EPOLLIN | EPOLLRDNORM;
+}
+
+static int blocks_written_open(struct inode *inode, struct file *file)
+{
+	struct blocks_written_file_state *state =
+		kzalloc(sizeof(*state), GFP_NOFS);
+
+	if (!state)
+		return -ENOMEM;
+
+	state->blocks_written = -1;
+	file->private_data = state;
+	return 0;
+}
+
+static int blocks_written_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static const struct file_operations incfs_blocks_written_file_ops = {
+	.read = blocks_written_read,
+	.poll = blocks_written_poll,
+	.open = blocks_written_open,
+	.release = blocks_written_release,
+	.llseek = noop_llseek,
+};
+
+/*******************************************************************************
+ * Generic inode lookup functionality
+ ******************************************************************************/
+
+const struct mem_range incfs_pseudo_file_names[] = {
+	{ .data = (u8 *)pending_reads_file_name,
+	  .len = ARRAY_SIZE(pending_reads_file_name) - 1 },
+	{ .data = (u8 *)log_file_name, .len = ARRAY_SIZE(log_file_name) - 1 },
+	{ .data = (u8 *)blocks_written_file_name,
+	  .len = ARRAY_SIZE(blocks_written_file_name) - 1 }
+};
+
+const unsigned long incfs_pseudo_file_inodes[] = { INCFS_PENDING_READS_INODE,
+						   INCFS_LOG_INODE,
+						   INCFS_BLOCKS_WRITTEN_INODE };
+
+static const struct file_operations *const pseudo_file_operations[] = {
+	&incfs_pending_reads_file_ops, &incfs_log_file_ops,
+	&incfs_blocks_written_file_ops
+};
+
+static bool is_pseudo_filename(struct mem_range name)
+{
+	int i = 0;
+
+	for (; i < ARRAY_SIZE(incfs_pseudo_file_names); ++i)
+		if (incfs_equal_ranges(incfs_pseudo_file_names[i], name))
+			return true;
+	return false;
+}
+
+static bool get_pseudo_inode(int ino, struct inode *inode)
+{
+	int i = 0;
+
+	for (; i < ARRAY_SIZE(incfs_pseudo_file_inodes); ++i)
+		if (ino == incfs_pseudo_file_inodes[i])
+			break;
+	if (i == ARRAY_SIZE(incfs_pseudo_file_inodes))
+		return false;
+
+	inode->i_ctime = (struct timespec64){};
+	inode->i_mtime = inode->i_ctime;
+	inode->i_atime = inode->i_ctime;
+	inode->i_size = 0;
+	inode->i_ino = ino;
+	inode->i_private = NULL;
+	inode_init_owner(inode, NULL, S_IFREG | READ_WRITE_FILE_MODE);
+	inode->i_op = &incfs_file_inode_ops;
+	inode->i_fop = pseudo_file_operations[i];
+	return true;
+}
+
+struct inode_search {
+	unsigned long ino;
+};
+
+static int inode_test(struct inode *inode, void *opaque)
+{
+	struct inode_search *search = opaque;
+
+	return inode->i_ino == search->ino;
+}
+
+static int inode_set(struct inode *inode, void *opaque)
+{
+	struct inode_search *search = opaque;
+
+	if (get_pseudo_inode(search->ino, inode))
+		return 0;
+
+	/* Unknown inode requested. */
+	return -EINVAL;
+}
+
+static struct inode *fetch_inode(struct super_block *sb, unsigned long ino)
+{
+	struct inode_search search = {
+		.ino = ino
+	};
+	struct inode *inode = iget5_locked(sb, search.ino, inode_test,
+				inode_set, &search);
+
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+
+	if (inode->i_state & I_NEW)
+		unlock_new_inode(inode);
+
+	return inode;
+}
+
+int dir_lookup_pseudo_files(struct super_block *sb, struct dentry *dentry)
+{
+	struct mem_range name_range =
+			range((u8 *)dentry->d_name.name, dentry->d_name.len);
+	unsigned long ino;
+	struct inode *inode;
+	int i = 0;
+
+	for (; i < ARRAY_SIZE(incfs_pseudo_file_names); ++i)
+		if (incfs_equal_ranges(incfs_pseudo_file_names[i], name_range))
+			break;
+	if (i == ARRAY_SIZE(incfs_pseudo_file_names))
+		return -ENOENT;
+
+	ino = incfs_pseudo_file_inodes[i];
+
+	inode = fetch_inode(sb, ino);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+
+	d_add(dentry, inode);
+	return 0;
+}
+
+int emit_pseudo_files(struct dir_context *ctx)
+{
+	loff_t i = ctx->pos;
+
+	for (; i < ARRAY_SIZE(incfs_pseudo_file_names); ++i) {
+		if (!dir_emit(ctx, incfs_pseudo_file_names[i].data,
+			      incfs_pseudo_file_names[i].len,
+			      incfs_pseudo_file_inodes[i], DT_REG))
+			return -EINVAL;
+
+		ctx->pos++;
+	}
+	return 0;
+}
diff --git a/fs/incfs/pseudo_files.h b/fs/incfs/pseudo_files.h
new file mode 100644
index 0000000..1887218
--- /dev/null
+++ b/fs/incfs/pseudo_files.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef _INCFS_PSEUDO_FILES_H
+#define _INCFS_PSEUDO_FILES_H
+
+#include "internal.h"
+
+#define PSEUDO_FILE_COUNT 3
+#define INCFS_START_INO_RANGE 10
+
+extern const struct mem_range incfs_pseudo_file_names[PSEUDO_FILE_COUNT];
+extern const unsigned long incfs_pseudo_file_inodes[PSEUDO_FILE_COUNT];
+
+int dir_lookup_pseudo_files(struct super_block *sb, struct dentry *dentry);
+int emit_pseudo_files(struct dir_context *ctx);
+
+#endif
diff --git a/fs/incfs/sysfs.c b/fs/incfs/sysfs.c
new file mode 100644
index 0000000..ba91c07
--- /dev/null
+++ b/fs/incfs/sysfs.c
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC
+ */
+#include <linux/fs.h>
+#include <linux/kobject.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "sysfs.h"
+#include "data_mgmt.h"
+#include "vfs.h"
+
+/******************************************************************************
+ * Define sys/fs/incrementalfs & sys/fs/incrementalfs/features
+ *****************************************************************************/
+#define INCFS_NODE_FEATURES "features"
+#define INCFS_NODE_INSTANCES "instances"
+
+static struct kobject *sysfs_root;
+static struct kobject *features_node;
+static struct kobject *instances_node;
+
+#define DECLARE_FEATURE_FLAG(name)					\
+	static ssize_t name##_show(struct kobject *kobj,		\
+			 struct kobj_attribute *attr, char *buff)	\
+{									\
+	return sysfs_emit(buff, "supported\n");				\
+}									\
+									\
+static struct kobj_attribute name##_attr = __ATTR_RO(name)
+
+DECLARE_FEATURE_FLAG(corefs);
+DECLARE_FEATURE_FLAG(zstd);
+DECLARE_FEATURE_FLAG(v2);
+DECLARE_FEATURE_FLAG(bugfix_throttling);
+DECLARE_FEATURE_FLAG(bugfix_inode_eviction);
+
+static struct attribute *attributes[] = {
+	&corefs_attr.attr,
+	&zstd_attr.attr,
+	&v2_attr.attr,
+	&bugfix_throttling_attr.attr,
+	&bugfix_inode_eviction_attr.attr,
+	NULL,
+};
+
+static const struct attribute_group attr_group = {
+	.attrs = attributes,
+};
+
+int __init incfs_init_sysfs(void)
+{
+	int res = -ENOMEM;
+
+	sysfs_root = kobject_create_and_add(INCFS_NAME, fs_kobj);
+	if (!sysfs_root)
+		return -ENOMEM;
+
+	instances_node = kobject_create_and_add(INCFS_NODE_INSTANCES,
+						sysfs_root);
+	if (!instances_node)
+		goto err_put_root;
+
+	features_node = kobject_create_and_add(INCFS_NODE_FEATURES,
+						sysfs_root);
+	if (!features_node)
+		goto err_put_instances;
+
+	res = sysfs_create_group(features_node, &attr_group);
+	if (res)
+		goto err_put_features;
+
+	return 0;
+
+err_put_features:
+	kobject_put(features_node);
+err_put_instances:
+	kobject_put(instances_node);
+err_put_root:
+	kobject_put(sysfs_root);
+
+	return res;
+}
+
+void incfs_cleanup_sysfs(void)
+{
+	if (features_node) {
+		sysfs_remove_group(features_node, &attr_group);
+		kobject_put(features_node);
+	}
+
+	kobject_put(instances_node);
+	kobject_put(sysfs_root);
+}
+
+/******************************************************************************
+ * Define sys/fs/incrementalfs/instances/<name>/
+ *****************************************************************************/
+#define __DECLARE_STATUS_FLAG(name)					\
+static ssize_t name##_show(struct kobject *kobj,			\
+			 struct kobj_attribute *attr, char *buff)	\
+{									\
+	struct incfs_sysfs_node *node = container_of(kobj,		\
+			struct incfs_sysfs_node, isn_sysfs_node);	\
+									\
+	return sysfs_emit(buff, "%d\n", node->isn_mi->mi_##name);	\
+}									\
+									\
+static struct kobj_attribute name##_attr = __ATTR_RO(name)
+
+#define __DECLARE_STATUS_FLAG64(name)					\
+static ssize_t name##_show(struct kobject *kobj,			\
+			 struct kobj_attribute *attr, char *buff)	\
+{									\
+	struct incfs_sysfs_node *node = container_of(kobj,		\
+			struct incfs_sysfs_node, isn_sysfs_node);	\
+									\
+	return sysfs_emit(buff, "%lld\n", node->isn_mi->mi_##name);	\
+}									\
+									\
+static struct kobj_attribute name##_attr = __ATTR_RO(name)
+
+__DECLARE_STATUS_FLAG(reads_failed_timed_out);
+__DECLARE_STATUS_FLAG(reads_failed_hash_verification);
+__DECLARE_STATUS_FLAG(reads_failed_other);
+__DECLARE_STATUS_FLAG(reads_delayed_pending);
+__DECLARE_STATUS_FLAG64(reads_delayed_pending_us);
+__DECLARE_STATUS_FLAG(reads_delayed_min);
+__DECLARE_STATUS_FLAG64(reads_delayed_min_us);
+
+static struct attribute *mount_attributes[] = {
+	&reads_failed_timed_out_attr.attr,
+	&reads_failed_hash_verification_attr.attr,
+	&reads_failed_other_attr.attr,
+	&reads_delayed_pending_attr.attr,
+	&reads_delayed_pending_us_attr.attr,
+	&reads_delayed_min_attr.attr,
+	&reads_delayed_min_us_attr.attr,
+	NULL,
+};
+
+static void incfs_sysfs_release(struct kobject *kobj)
+{
+	struct incfs_sysfs_node *node = container_of(kobj,
+				struct incfs_sysfs_node, isn_sysfs_node);
+
+	complete(&node->isn_completion);
+}
+
+static const struct attribute_group mount_attr_group = {
+	.attrs = mount_attributes,
+};
+
+static struct kobj_type incfs_kobj_node_ktype = {
+	.sysfs_ops	= &kobj_sysfs_ops,
+	.release	= &incfs_sysfs_release,
+};
+
+struct incfs_sysfs_node *incfs_add_sysfs_node(const char *name,
+					      struct mount_info *mi)
+{
+	struct incfs_sysfs_node *node = NULL;
+	int error;
+
+	if (!name)
+		return NULL;
+
+	node = kzalloc(sizeof(*node), GFP_NOFS);
+	if (!node)
+		return ERR_PTR(-ENOMEM);
+
+	node->isn_mi = mi;
+
+	init_completion(&node->isn_completion);
+	kobject_init(&node->isn_sysfs_node, &incfs_kobj_node_ktype);
+	error = kobject_add(&node->isn_sysfs_node, instances_node, "%s", name);
+	if (error)
+		goto err;
+
+	error = sysfs_create_group(&node->isn_sysfs_node, &mount_attr_group);
+	if (error)
+		goto err;
+
+	return node;
+
+err:
+	/*
+	 * Note kobject_put always calls release, so incfs_sysfs_release will
+	 * free node
+	 */
+	kobject_put(&node->isn_sysfs_node);
+	return ERR_PTR(error);
+}
+
+void incfs_free_sysfs_node(struct incfs_sysfs_node *node)
+{
+	if (!node)
+		return;
+
+	sysfs_remove_group(&node->isn_sysfs_node, &mount_attr_group);
+	kobject_put(&node->isn_sysfs_node);
+	wait_for_completion_interruptible(&node->isn_completion);
+	kfree(node);
+}
diff --git a/fs/incfs/sysfs.h b/fs/incfs/sysfs.h
new file mode 100644
index 0000000..65bf554
--- /dev/null
+++ b/fs/incfs/sysfs.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2021 Google LLC
+ */
+#ifndef _INCFS_SYSFS_H
+#define _INCFS_SYSFS_H
+
+struct incfs_sysfs_node {
+	struct kobject isn_sysfs_node;
+
+	struct completion isn_completion;
+
+	struct mount_info *isn_mi;
+};
+
+int incfs_init_sysfs(void);
+void incfs_cleanup_sysfs(void);
+struct incfs_sysfs_node *incfs_add_sysfs_node(const char *name,
+					      struct mount_info *mi);
+void incfs_free_sysfs_node(struct incfs_sysfs_node *node);
+
+#endif
diff --git a/fs/incfs/verity.c b/fs/incfs/verity.c
new file mode 100644
index 0000000..22308f8
--- /dev/null
+++ b/fs/incfs/verity.c
@@ -0,0 +1,851 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+
+/*
+ * fs-verity integration into incfs
+ *
+ * Since incfs has its own merkle tree implementation, most of fs-verity code
+ * is not needed. The key part that is needed is the signature check, since
+ * that is based on the private /proc/sys/fs/verity/require_signatures value
+ * and a private keyring. Thus the first change is to modify verity code to
+ * export a version of fsverity_verify_signature.
+ *
+ * fs-verity integration then consists of the following modifications:
+ *
+ * 1. Add the (optional) verity signature to the incfs file format
+ * 2. Add a pointer to the digest of the fs-verity descriptor struct to the
+ *    data_file struct that incfs attaches to each file inode.
+ * 3. Add the following ioclts:
+ *  - FS_IOC_ENABLE_VERITY
+ *  - FS_IOC_GETFLAGS
+ *  - FS_IOC_MEASURE_VERITY
+ * 4. When FS_IOC_ENABLE_VERITY is called on a non-verity file, the
+ *    fs-verity descriptor struct is populated and digested. If it passes the
+ *    signature check or the signature is NULL and
+ *    fs.verity.require_signatures=0, then the S_VERITY flag is set and the
+ *    xattr incfs.verity is set. If the signature is non-NULL, an
+ *    INCFS_MD_VERITY_SIGNATURE is added to the backing file containing the
+ *    signature.
+ * 5. When a file with an incfs.verity xattr's inode is initialized, the
+ *    inode’s S_VERITY flag is set.
+ * 6. When a file with the S_VERITY flag set on its inode is opened, the
+ *    data_file is checked for its verity digest. If the file doesn’t have a
+ *    digest, the file’s digest is calculated as above, checked, and set, or the
+ *    open is denied if it is not valid.
+ * 7. FS_IOC_GETFLAGS simply returns the value of the S_VERITY flag
+ * 8. FS_IOC_MEASURE_VERITY simply returns the cached digest
+ * 9. The final complication is that if FS_IOC_ENABLE_VERITY is called on a file
+ *    which doesn’t have a merkle tree, the merkle tree is calculated before the
+ *    rest of the process is completed.
+ */
+
+#include <crypto/hash.h>
+#include <crypto/sha.h>
+#include <linux/fsverity.h>
+#include <linux/mount.h>
+
+#include "verity.h"
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "integrity.h"
+#include "vfs.h"
+
+#define FS_VERITY_MAX_SIGNATURE_SIZE	16128
+
+static int incfs_get_root_hash(struct file *filp, u8 *root_hash)
+{
+	struct data_file *df = get_incfs_data_file(filp);
+
+	if (!df)
+		return -EINVAL;
+
+	memcpy(root_hash, df->df_hash_tree->root_hash,
+	       df->df_hash_tree->alg->digest_size);
+
+	return 0;
+}
+
+static int incfs_end_enable_verity(struct file *filp, u8 *sig, size_t sig_size)
+{
+	struct inode *inode = file_inode(filp);
+	struct mem_range signature = {
+		.data = sig,
+		.len = sig_size,
+	};
+	struct data_file *df = get_incfs_data_file(filp);
+	struct backing_file_context *bfc;
+	int error;
+	struct incfs_df_verity_signature *vs = NULL;
+	loff_t offset;
+
+	if (!df || !df->df_backing_file_context)
+		return -EFSCORRUPTED;
+
+	if (sig) {
+		vs = kzalloc(sizeof(*vs), GFP_NOFS);
+		if (!vs)
+			return -ENOMEM;
+	}
+
+	bfc = df->df_backing_file_context;
+	error = mutex_lock_interruptible(&bfc->bc_mutex);
+	if (error)
+		goto out;
+
+	error = incfs_write_verity_signature_to_backing_file(bfc, signature,
+							     &offset);
+	mutex_unlock(&bfc->bc_mutex);
+	if (error)
+		goto out;
+
+	/*
+	 * Set verity xattr so we can set S_VERITY without opening backing file
+	 */
+	error = vfs_setxattr(bfc->bc_file->f_path.dentry,
+			     INCFS_XATTR_VERITY_NAME, NULL, 0, XATTR_CREATE);
+	if (error) {
+		pr_warn("incfs: error setting verity xattr: %d\n", error);
+		goto out;
+	}
+
+	if (sig) {
+		*vs = (struct incfs_df_verity_signature) {
+			.size = signature.len,
+			.offset = offset,
+		};
+
+		df->df_verity_signature = vs;
+		vs = NULL;
+	}
+
+	inode_set_flags(inode, S_VERITY, S_VERITY);
+
+out:
+	kfree(vs);
+	return error;
+}
+
+static int incfs_compute_file_digest(struct incfs_hash_alg *alg,
+				struct fsverity_descriptor *desc,
+				u8 *digest)
+{
+	SHASH_DESC_ON_STACK(d, alg->shash);
+
+	d->tfm = alg->shash;
+	return crypto_shash_digest(d, (u8 *)desc, sizeof(*desc), digest);
+}
+
+static enum incfs_hash_tree_algorithm incfs_convert_fsverity_hash_alg(
+								int hash_alg)
+{
+	switch (hash_alg) {
+	case FS_VERITY_HASH_ALG_SHA256:
+		return INCFS_HASH_TREE_SHA256;
+	default:
+		return -EINVAL;
+	}
+}
+
+static struct mem_range incfs_get_verity_digest(struct inode *inode)
+{
+	struct inode_info *node = get_incfs_node(inode);
+	struct data_file *df;
+	struct mem_range verity_file_digest;
+
+	if (!node) {
+		pr_warn("Invalid inode\n");
+		return range(NULL, 0);
+	}
+
+	df = node->n_file;
+
+	/*
+	 * Pairs with the cmpxchg_release() in incfs_set_verity_digest().
+	 * I.e., another task may publish ->df_verity_file_digest concurrently,
+	 * executing a RELEASE barrier.  We need to use smp_load_acquire() here
+	 * to safely ACQUIRE the memory the other task published.
+	 */
+	verity_file_digest.data = smp_load_acquire(
+					&df->df_verity_file_digest.data);
+	verity_file_digest.len = df->df_verity_file_digest.len;
+	return verity_file_digest;
+}
+
+static void incfs_set_verity_digest(struct inode *inode,
+				     struct mem_range verity_file_digest)
+{
+	struct inode_info *node = get_incfs_node(inode);
+	struct data_file *df;
+
+	if (!node) {
+		pr_warn("Invalid inode\n");
+		kfree(verity_file_digest.data);
+		return;
+	}
+
+	df = node->n_file;
+	df->df_verity_file_digest.len = verity_file_digest.len;
+
+	/*
+	 * Multiple tasks may race to set ->df_verity_file_digest.data, so use
+	 * cmpxchg_release().  This pairs with the smp_load_acquire() in
+	 * incfs_get_verity_digest().  I.e., here we publish
+	 * ->df_verity_file_digest.data, with a RELEASE barrier so that other
+	 * tasks can ACQUIRE it.
+	 */
+	if (cmpxchg_release(&df->df_verity_file_digest.data, NULL,
+			    verity_file_digest.data) != NULL)
+		/* Lost the race, so free the file_digest we allocated. */
+		kfree(verity_file_digest.data);
+}
+
+/*
+ * Calculate the digest of the fsverity_descriptor. The signature (if present)
+ * is also checked.
+ */
+static struct mem_range incfs_calc_verity_digest_from_desc(
+					const struct inode *inode,
+					struct fsverity_descriptor *desc,
+					u8 *signature, size_t sig_size)
+{
+	enum incfs_hash_tree_algorithm incfs_hash_alg;
+	struct mem_range verity_file_digest;
+	int err;
+	struct incfs_hash_alg *hash_alg;
+
+	incfs_hash_alg = incfs_convert_fsverity_hash_alg(desc->hash_algorithm);
+	if (incfs_hash_alg < 0)
+		return range(ERR_PTR(incfs_hash_alg), 0);
+
+	hash_alg = incfs_get_hash_alg(incfs_hash_alg);
+	if (IS_ERR(hash_alg))
+		return range((u8 *)hash_alg, 0);
+
+	verity_file_digest = range(kzalloc(hash_alg->digest_size, GFP_KERNEL),
+				   hash_alg->digest_size);
+	if (!verity_file_digest.data)
+		return range(ERR_PTR(-ENOMEM), 0);
+
+	err = incfs_compute_file_digest(hash_alg, desc,
+					verity_file_digest.data);
+	if (err) {
+		pr_err("Error %d computing file digest", err);
+		goto out;
+	}
+	pr_debug("Computed file digest: %s:%*phN\n",
+		 hash_alg->name, (int) verity_file_digest.len,
+		 verity_file_digest.data);
+
+	err = __fsverity_verify_signature(inode, signature, sig_size,
+					  verity_file_digest.data,
+					  desc->hash_algorithm);
+out:
+	if (err) {
+		kfree(verity_file_digest.data);
+		verity_file_digest = range(ERR_PTR(err), 0);
+	}
+	return verity_file_digest;
+}
+
+static struct fsverity_descriptor *incfs_get_fsverity_descriptor(
+					struct file *filp, int hash_algorithm)
+{
+	struct inode *inode = file_inode(filp);
+	struct fsverity_descriptor *desc = kzalloc(sizeof(*desc), GFP_KERNEL);
+	int err;
+
+	if (!desc)
+		return ERR_PTR(-ENOMEM);
+
+	*desc = (struct fsverity_descriptor) {
+		.version = 1,
+		.hash_algorithm = hash_algorithm,
+		.log_blocksize = ilog2(INCFS_DATA_FILE_BLOCK_SIZE),
+		.data_size = cpu_to_le64(inode->i_size),
+	};
+
+	err = incfs_get_root_hash(filp, desc->root_hash);
+	if (err) {
+		kfree(desc);
+		return ERR_PTR(err);
+	}
+
+	return desc;
+}
+
+static struct mem_range incfs_calc_verity_digest(
+					struct inode *inode, struct file *filp,
+					u8 *signature, size_t signature_size,
+					int hash_algorithm)
+{
+	struct fsverity_descriptor *desc = incfs_get_fsverity_descriptor(filp,
+							hash_algorithm);
+	struct mem_range verity_file_digest;
+
+	if (IS_ERR(desc))
+		return range((u8 *)desc, 0);
+	verity_file_digest = incfs_calc_verity_digest_from_desc(inode, desc,
+						signature, signature_size);
+	kfree(desc);
+	return verity_file_digest;
+}
+
+static int incfs_build_merkle_tree(struct file *f, struct data_file *df,
+			     struct backing_file_context *bfc,
+			     struct mtree *hash_tree, loff_t hash_offset,
+			     struct incfs_hash_alg *alg, struct mem_range hash)
+{
+	int error = 0;
+	int limit, lvl, i, result;
+	struct mem_range buf = {.len = INCFS_DATA_FILE_BLOCK_SIZE};
+	struct mem_range tmp = {.len = 2 * INCFS_DATA_FILE_BLOCK_SIZE};
+
+	buf.data = (u8 *)__get_free_pages(GFP_NOFS, get_order(buf.len));
+	tmp.data = (u8 *)__get_free_pages(GFP_NOFS, get_order(tmp.len));
+	if (!buf.data || !tmp.data) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	/*
+	 * lvl - 1 is the level we are reading, lvl the level we are writing
+	 * lvl == -1 means actual blocks
+	 * lvl == hash_tree->depth means root hash
+	 */
+	limit = df->df_data_block_count;
+	for (lvl = 0; lvl <= hash_tree->depth; lvl++) {
+		for (i = 0; i < limit; ++i) {
+			loff_t hash_level_offset;
+			struct mem_range partial_buf = buf;
+
+			if (lvl == 0)
+				result = incfs_read_data_file_block(partial_buf,
+						f, i, tmp, NULL, NULL);
+			else {
+				hash_level_offset = hash_offset +
+				       hash_tree->hash_level_suboffset[lvl - 1];
+
+				result = incfs_kread(bfc, partial_buf.data,
+						partial_buf.len,
+						hash_level_offset + i *
+						INCFS_DATA_FILE_BLOCK_SIZE);
+			}
+
+			if (result < 0) {
+				error = result;
+				goto out;
+			}
+
+			partial_buf.len = result;
+			error = incfs_calc_digest(alg, partial_buf, hash);
+			if (error)
+				goto out;
+
+			/*
+			 * last level - only one hash to take and it is stored
+			 * in the incfs signature record
+			 */
+			if (lvl == hash_tree->depth)
+				break;
+
+			hash_level_offset = hash_offset +
+				hash_tree->hash_level_suboffset[lvl];
+
+			result = incfs_kwrite(bfc, hash.data, hash.len,
+					hash_level_offset + hash.len * i);
+
+			if (result < 0) {
+				error = result;
+				goto out;
+			}
+
+			if (result != hash.len) {
+				error = -EIO;
+				goto out;
+			}
+		}
+		limit = DIV_ROUND_UP(limit,
+				     INCFS_DATA_FILE_BLOCK_SIZE / hash.len);
+	}
+
+out:
+	free_pages((unsigned long)tmp.data, get_order(tmp.len));
+	free_pages((unsigned long)buf.data, get_order(buf.len));
+	return error;
+}
+
+/*
+ * incfs files have a signature record that is separate from the
+ * verity_signature record. The signature record does not actually contain a
+ * signature, rather it contains the size/offset of the hash tree, and a binary
+ * blob which contains the root hash and potentially a signature.
+ *
+ * If the file was created with a signature record, then this function simply
+ * returns.
+ *
+ * Otherwise it will create a signature record with a minimal binary blob as
+ * defined by the structure below, create space for the hash tree and then
+ * populate it using incfs_build_merkle_tree
+ */
+static int incfs_add_signature_record(struct file *f)
+{
+	/* See incfs_parse_signature */
+	struct {
+		__le32 version;
+		__le32 size_of_hash_info_section;
+		struct {
+			__le32 hash_algorithm;
+			u8 log2_blocksize;
+			__le32 salt_size;
+			u8 salt[0];
+			__le32 hash_size;
+			u8 root_hash[32];
+		} __packed hash_section;
+		__le32 size_of_signing_info_section;
+		u8 signing_info_section[0];
+	} __packed sig = {
+		.version = cpu_to_le32(INCFS_SIGNATURE_VERSION),
+		.size_of_hash_info_section =
+			cpu_to_le32(sizeof(sig.hash_section)),
+		.hash_section = {
+			.hash_algorithm = cpu_to_le32(INCFS_HASH_TREE_SHA256),
+			.log2_blocksize = ilog2(INCFS_DATA_FILE_BLOCK_SIZE),
+			.hash_size = cpu_to_le32(SHA256_DIGEST_SIZE),
+		},
+	};
+
+	struct data_file *df = get_incfs_data_file(f);
+	struct mtree *hash_tree = NULL;
+	struct backing_file_context *bfc;
+	int error;
+	loff_t hash_offset, sig_offset;
+	struct incfs_hash_alg *alg = incfs_get_hash_alg(INCFS_HASH_TREE_SHA256);
+	u8 hash_buf[INCFS_MAX_HASH_SIZE];
+	int hash_size = alg->digest_size;
+	struct mem_range hash = range(hash_buf, hash_size);
+	int result;
+	struct incfs_df_signature *signature = NULL;
+
+	if (!df)
+		return -EINVAL;
+
+	if (df->df_header_flags & INCFS_FILE_MAPPED)
+		return -EINVAL;
+
+	/* Already signed? */
+	if (df->df_signature && df->df_hash_tree)
+		return 0;
+
+	if (df->df_signature || df->df_hash_tree)
+		return -EFSCORRUPTED;
+
+	/* Add signature metadata record to file */
+	hash_tree = incfs_alloc_mtree(range((u8 *)&sig, sizeof(sig)),
+				      df->df_data_block_count);
+	if (IS_ERR(hash_tree))
+		return PTR_ERR(hash_tree);
+
+	bfc = df->df_backing_file_context;
+	if (!bfc) {
+		error = -EFSCORRUPTED;
+		goto out;
+	}
+
+	error = mutex_lock_interruptible(&bfc->bc_mutex);
+	if (error)
+		goto out;
+
+	error = incfs_write_signature_to_backing_file(bfc,
+				range((u8 *)&sig, sizeof(sig)),
+				hash_tree->hash_tree_area_size,
+				&hash_offset, &sig_offset);
+	mutex_unlock(&bfc->bc_mutex);
+	if (error)
+		goto out;
+
+	/* Populate merkle tree */
+	error = incfs_build_merkle_tree(f, df, bfc, hash_tree, hash_offset, alg,
+				  hash);
+	if (error)
+		goto out;
+
+	/* Update signature metadata record */
+	memcpy(sig.hash_section.root_hash, hash.data, alg->digest_size);
+	result = incfs_kwrite(bfc, &sig, sizeof(sig), sig_offset);
+	if (result < 0) {
+		error = result;
+		goto out;
+	}
+
+	if (result != sizeof(sig)) {
+		error = -EIO;
+		goto out;
+	}
+
+	/* Update in-memory records */
+	memcpy(hash_tree->root_hash, hash.data, alg->digest_size);
+	signature = kzalloc(sizeof(*signature), GFP_NOFS);
+	if (!signature) {
+		error = -ENOMEM;
+		goto out;
+	}
+	*signature = (struct incfs_df_signature) {
+		.hash_offset = hash_offset,
+		.hash_size = hash_tree->hash_tree_area_size,
+		.sig_offset = sig_offset,
+		.sig_size = sizeof(sig),
+	};
+	df->df_signature = signature;
+	signature = NULL;
+
+	/*
+	 * Use memory barrier to prevent readpage seeing the hash tree until
+	 * it's fully there
+	 */
+	smp_store_release(&df->df_hash_tree, hash_tree);
+	hash_tree = NULL;
+
+out:
+	kfree(signature);
+	kfree(hash_tree);
+	return error;
+}
+
+static int incfs_enable_verity(struct file *filp,
+			 const struct fsverity_enable_arg *arg)
+{
+	struct inode *inode = file_inode(filp);
+	struct data_file *df = get_incfs_data_file(filp);
+	u8 *signature = NULL;
+	struct mem_range verity_file_digest = range(NULL, 0);
+	int err;
+
+	if (!df)
+		return -EFSCORRUPTED;
+
+	err = mutex_lock_interruptible(&df->df_enable_verity);
+	if (err)
+		return err;
+
+	if (IS_VERITY(inode)) {
+		err = -EEXIST;
+		goto out;
+	}
+
+	err = incfs_add_signature_record(filp);
+	if (err)
+		goto out;
+
+	/* Get the signature if the user provided one */
+	if (arg->sig_size) {
+		signature = memdup_user(u64_to_user_ptr(arg->sig_ptr),
+					arg->sig_size);
+		if (IS_ERR(signature)) {
+			err = PTR_ERR(signature);
+			signature = NULL;
+			goto out;
+		}
+	}
+
+	verity_file_digest = incfs_calc_verity_digest(inode, filp, signature,
+					arg->sig_size, arg->hash_algorithm);
+	if (IS_ERR(verity_file_digest.data)) {
+		err = PTR_ERR(verity_file_digest.data);
+		verity_file_digest.data = NULL;
+		goto out;
+	}
+
+	err = incfs_end_enable_verity(filp, signature, arg->sig_size);
+	if (err)
+		goto out;
+
+	/* Successfully enabled verity */
+	incfs_set_verity_digest(inode, verity_file_digest);
+	verity_file_digest.data = NULL;
+out:
+	mutex_unlock(&df->df_enable_verity);
+	kfree(signature);
+	kfree(verity_file_digest.data);
+	if (err)
+		pr_err("%s failed with err %d\n", __func__, err);
+	return err;
+}
+
+int incfs_ioctl_enable_verity(struct file *filp, const void __user *uarg)
+{
+	struct inode *inode = file_inode(filp);
+	struct fsverity_enable_arg arg;
+
+	if (copy_from_user(&arg, uarg, sizeof(arg)))
+		return -EFAULT;
+
+	if (arg.version != 1)
+		return -EINVAL;
+
+	if (arg.__reserved1 ||
+	    memchr_inv(arg.__reserved2, 0, sizeof(arg.__reserved2)))
+		return -EINVAL;
+
+	if (arg.hash_algorithm != FS_VERITY_HASH_ALG_SHA256)
+		return -EINVAL;
+
+	if (arg.block_size != PAGE_SIZE)
+		return -EINVAL;
+
+	if (arg.salt_size)
+		return -EINVAL;
+
+	if (arg.sig_size > FS_VERITY_MAX_SIGNATURE_SIZE)
+		return -EMSGSIZE;
+
+	if (S_ISDIR(inode->i_mode))
+		return -EISDIR;
+
+	if (!S_ISREG(inode->i_mode))
+		return -EINVAL;
+
+	return incfs_enable_verity(filp, &arg);
+}
+
+static u8 *incfs_get_verity_signature(struct file *filp, size_t *sig_size)
+{
+	struct data_file *df = get_incfs_data_file(filp);
+	struct incfs_df_verity_signature *vs;
+	u8 *signature;
+	int res;
+
+	if (!df || !df->df_backing_file_context)
+		return ERR_PTR(-EFSCORRUPTED);
+
+	vs = df->df_verity_signature;
+	if (!vs) {
+		*sig_size = 0;
+		return NULL;
+	}
+
+	if (!vs->size) {
+		*sig_size = 0;
+		return ERR_PTR(-EFSCORRUPTED);
+	}
+
+	signature = kzalloc(vs->size, GFP_KERNEL);
+	if (!signature)
+		return ERR_PTR(-ENOMEM);
+
+	res = incfs_kread(df->df_backing_file_context,
+			  signature, vs->size, vs->offset);
+
+	if (res < 0)
+		goto err_out;
+
+	if (res != vs->size) {
+		res = -EINVAL;
+		goto err_out;
+	}
+
+	*sig_size = vs->size;
+	return signature;
+
+err_out:
+	kfree(signature);
+	return ERR_PTR(res);
+}
+
+/* Ensure data_file->df_verity_file_digest is populated */
+static int ensure_verity_info(struct inode *inode, struct file *filp)
+{
+	struct mem_range verity_file_digest;
+	u8 *signature = NULL;
+	size_t sig_size;
+	int err = 0;
+
+	/* See if this file's verity file digest is already cached */
+	verity_file_digest = incfs_get_verity_digest(inode);
+	if (verity_file_digest.data)
+		return 0;
+
+	signature = incfs_get_verity_signature(filp, &sig_size);
+	if (IS_ERR(signature))
+		return PTR_ERR(signature);
+
+	verity_file_digest = incfs_calc_verity_digest(inode, filp, signature,
+						     sig_size,
+						     FS_VERITY_HASH_ALG_SHA256);
+	if (IS_ERR(verity_file_digest.data)) {
+		err = PTR_ERR(verity_file_digest.data);
+		goto out;
+	}
+
+	incfs_set_verity_digest(inode, verity_file_digest);
+
+out:
+	kfree(signature);
+	return err;
+}
+
+/**
+ * incfs_fsverity_file_open() - prepare to open a file that may be
+ * verity-enabled
+ * @inode: the inode being opened
+ * @filp: the struct file being set up
+ *
+ * When opening a verity file, set up data_file->df_verity_file_digest if not
+ * already done. Note that incfs does not allow opening for writing, so there is
+ * no need for that check.
+ *
+ * Return: 0 on success, -errno on failure
+ */
+int incfs_fsverity_file_open(struct inode *inode, struct file *filp)
+{
+	if (IS_VERITY(inode))
+		return ensure_verity_info(inode, filp);
+
+	return 0;
+}
+
+int incfs_ioctl_measure_verity(struct file *filp, void __user *_uarg)
+{
+	struct inode *inode = file_inode(filp);
+	struct mem_range verity_file_digest = incfs_get_verity_digest(inode);
+	struct fsverity_digest __user *uarg = _uarg;
+	struct fsverity_digest arg;
+
+	if (!verity_file_digest.data || !verity_file_digest.len)
+		return -ENODATA; /* not a verity file */
+
+	/*
+	 * The user specifies the digest_size their buffer has space for; we can
+	 * return the digest if it fits in the available space.  We write back
+	 * the actual size, which may be shorter than the user-specified size.
+	 */
+
+	if (get_user(arg.digest_size, &uarg->digest_size))
+		return -EFAULT;
+	if (arg.digest_size < verity_file_digest.len)
+		return -EOVERFLOW;
+
+	memset(&arg, 0, sizeof(arg));
+	arg.digest_algorithm = FS_VERITY_HASH_ALG_SHA256;
+	arg.digest_size = verity_file_digest.len;
+
+	if (copy_to_user(uarg, &arg, sizeof(arg)))
+		return -EFAULT;
+
+	if (copy_to_user(uarg->digest, verity_file_digest.data,
+			 verity_file_digest.len))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int incfs_read_merkle_tree(struct file *filp, void __user *buf,
+				  u64 start_offset, int length)
+{
+	struct mem_range tmp_buf;
+	size_t offset;
+	int retval = 0;
+	int err = 0;
+	struct data_file *df = get_incfs_data_file(filp);
+
+	if (!df)
+		return -EINVAL;
+
+	tmp_buf = (struct mem_range) {
+		.data = kzalloc(INCFS_DATA_FILE_BLOCK_SIZE, GFP_NOFS),
+		.len = INCFS_DATA_FILE_BLOCK_SIZE,
+	};
+	if (!tmp_buf.data)
+		return -ENOMEM;
+
+	for (offset = start_offset; offset < start_offset + length;
+	     offset += tmp_buf.len) {
+		err = incfs_read_merkle_tree_blocks(tmp_buf, df, offset);
+
+		if (err < 0)
+			break;
+
+		if (err != tmp_buf.len)
+			break;
+
+		if (copy_to_user(buf, tmp_buf.data, tmp_buf.len))
+			break;
+
+		buf += tmp_buf.len;
+		retval += tmp_buf.len;
+	}
+
+	kfree(tmp_buf.data);
+	return retval ? retval : err;
+}
+
+static int incfs_read_descriptor(struct file *filp,
+				 void __user *buf, u64 offset, int length)
+{
+	int err;
+	struct fsverity_descriptor *desc = incfs_get_fsverity_descriptor(filp,
+						FS_VERITY_HASH_ALG_SHA256);
+
+	if (IS_ERR(desc))
+		return PTR_ERR(desc);
+	length = min_t(u64, length, sizeof(*desc));
+	err = copy_to_user(buf, desc, length);
+	kfree(desc);
+	return err ? err : length;
+}
+
+static int incfs_read_signature(struct file *filp,
+				void __user *buf, u64 offset, int length)
+{
+	size_t sig_size;
+	static u8 *signature;
+	int err;
+
+	signature = incfs_get_verity_signature(filp, &sig_size);
+	if (IS_ERR(signature))
+		return PTR_ERR(signature);
+
+	if (!signature)
+		return -ENODATA;
+
+	length = min_t(u64, length, sig_size);
+	err = copy_to_user(buf, signature, length);
+	kfree(signature);
+	return err ? err : length;
+}
+
+int incfs_ioctl_read_verity_metadata(struct file *filp,
+				     const void __user *uarg)
+{
+	struct fsverity_read_metadata_arg arg;
+	int length;
+	void __user *buf;
+
+	if (copy_from_user(&arg, uarg, sizeof(arg)))
+		return -EFAULT;
+
+	if (arg.__reserved)
+		return -EINVAL;
+
+	/* offset + length must not overflow. */
+	if (arg.offset + arg.length < arg.offset)
+		return -EINVAL;
+
+	/* Ensure that the return value will fit in INT_MAX. */
+	length = min_t(u64, arg.length, INT_MAX);
+
+	buf = u64_to_user_ptr(arg.buf_ptr);
+
+	switch (arg.metadata_type) {
+	case FS_VERITY_METADATA_TYPE_MERKLE_TREE:
+		return incfs_read_merkle_tree(filp, buf, arg.offset, length);
+	case FS_VERITY_METADATA_TYPE_DESCRIPTOR:
+		return incfs_read_descriptor(filp, buf, arg.offset, length);
+	case FS_VERITY_METADATA_TYPE_SIGNATURE:
+		return incfs_read_signature(filp, buf, arg.offset, length);
+	default:
+		return -EINVAL;
+	}
+}
diff --git a/fs/incfs/verity.h b/fs/incfs/verity.h
new file mode 100644
index 0000000..8fcdbc8
--- /dev/null
+++ b/fs/incfs/verity.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef _INCFS_VERITY_H
+#define _INCFS_VERITY_H
+
+/* Arbitrary limit to bound the kmalloc() size.  Can be changed. */
+#define FS_VERITY_MAX_SIGNATURE_SIZE	16128
+
+#ifdef CONFIG_FS_VERITY
+
+int incfs_ioctl_enable_verity(struct file *filp, const void __user *uarg);
+int incfs_ioctl_measure_verity(struct file *filp, void __user *_uarg);
+
+int incfs_fsverity_file_open(struct inode *inode, struct file *filp);
+int incfs_ioctl_read_verity_metadata(struct file *filp,
+				     const void __user *uarg);
+
+#else /* !CONFIG_FS_VERITY */
+
+static inline int incfs_ioctl_enable_verity(struct file *filp,
+					    const void __user *uarg)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int incfs_ioctl_measure_verity(struct file *filp,
+					     void __user *_uarg)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int incfs_fsverity_file_open(struct inode *inode,
+					   struct file *filp)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int incfs_ioctl_read_verity_metadata(struct file *filp,
+						const void __user *uarg)
+{
+	return -EOPNOTSUPP;
+}
+
+#endif /* !CONFIG_FS_VERITY */
+
+#endif
diff --git a/fs/incfs/vfs.c b/fs/incfs/vfs.c
new file mode 100644
index 0000000..407345d
--- /dev/null
+++ b/fs/incfs/vfs.c
@@ -0,0 +1,1974 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+
+#include <linux/blkdev.h>
+#include <linux/compat.h>
+#include <linux/delay.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/fs_stack.h>
+#include <linux/fsnotify.h>
+#include <linux/fsverity.h>
+#include <linux/mmap_lock.h>
+#include <linux/namei.h>
+#include <linux/parser.h>
+#include <linux/seq_file.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "vfs.h"
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "internal.h"
+#include "pseudo_files.h"
+#include "sysfs.h"
+#include "verity.h"
+
+static int incfs_remount_fs(struct super_block *sb, int *flags, char *data);
+
+static int dentry_revalidate(struct dentry *dentry, unsigned int flags);
+static void dentry_release(struct dentry *d);
+
+static int iterate_incfs_dir(struct file *file, struct dir_context *ctx);
+static struct dentry *dir_lookup(struct inode *dir_inode,
+		struct dentry *dentry, unsigned int flags);
+static int dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
+static int dir_unlink(struct inode *dir, struct dentry *dentry);
+static int dir_link(struct dentry *old_dentry, struct inode *dir,
+			 struct dentry *new_dentry);
+static int dir_rmdir(struct inode *dir, struct dentry *dentry);
+static int dir_rename(struct inode *old_dir, struct dentry *old_dentry,
+		struct inode *new_dir, struct dentry *new_dentry);
+
+static int file_open(struct inode *inode, struct file *file);
+static int file_release(struct inode *inode, struct file *file);
+static int read_single_page(struct file *f, struct page *page);
+static long dispatch_ioctl(struct file *f, unsigned int req, unsigned long arg);
+
+#ifdef CONFIG_COMPAT
+static long incfs_compat_ioctl(struct file *file, unsigned int cmd,
+			 unsigned long arg);
+#endif
+
+static struct inode *alloc_inode(struct super_block *sb);
+static void free_inode(struct inode *inode);
+static void evict_inode(struct inode *inode);
+
+static int incfs_setattr(struct dentry *dentry, struct iattr *ia);
+static int incfs_getattr(const struct path *path,
+			 struct kstat *stat, u32 request_mask,
+			 unsigned int query_flags);
+static ssize_t incfs_getxattr(struct dentry *d, const char *name,
+			void *value, size_t size);
+static ssize_t incfs_setxattr(struct dentry *d, const char *name,
+			const void *value, size_t size, int flags);
+static ssize_t incfs_listxattr(struct dentry *d, char *list, size_t size);
+
+static int show_options(struct seq_file *, struct dentry *);
+
+static const struct super_operations incfs_super_ops = {
+	.statfs = simple_statfs,
+	.remount_fs = incfs_remount_fs,
+	.alloc_inode	= alloc_inode,
+	.destroy_inode	= free_inode,
+	.evict_inode = evict_inode,
+	.show_options = show_options
+};
+
+static int dir_rename_wrap(struct inode *old_dir, struct dentry *old_dentry,
+		struct inode *new_dir, struct dentry *new_dentry,
+		unsigned int flags)
+{
+	return dir_rename(old_dir, old_dentry, new_dir, new_dentry);
+}
+
+static const struct inode_operations incfs_dir_inode_ops = {
+	.lookup = dir_lookup,
+	.mkdir = dir_mkdir,
+	.rename = dir_rename_wrap,
+	.unlink = dir_unlink,
+	.link = dir_link,
+	.rmdir = dir_rmdir,
+	.setattr = incfs_setattr,
+};
+
+static const struct file_operations incfs_dir_fops = {
+	.llseek = generic_file_llseek,
+	.read = generic_read_dir,
+	.iterate = iterate_incfs_dir,
+	.open = file_open,
+	.release = file_release,
+};
+
+static const struct dentry_operations incfs_dentry_ops = {
+	.d_revalidate = dentry_revalidate,
+	.d_release = dentry_release
+};
+
+static const struct address_space_operations incfs_address_space_ops = {
+	.readpage = read_single_page,
+	/* .readpages = readpages */
+};
+
+static vm_fault_t incfs_fault(struct vm_fault *vmf)
+{
+	vmf->flags &= ~FAULT_FLAG_ALLOW_RETRY;
+	return filemap_fault(vmf);
+}
+
+static const struct vm_operations_struct incfs_file_vm_ops = {
+	.fault		= incfs_fault,
+	.map_pages	= filemap_map_pages,
+	.page_mkwrite	= filemap_page_mkwrite,
+};
+
+/* This is used for a general mmap of a disk file */
+
+static int incfs_file_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct address_space *mapping = file->f_mapping;
+
+	if (!mapping->a_ops->readpage)
+		return -ENOEXEC;
+	file_accessed(file);
+	vma->vm_ops = &incfs_file_vm_ops;
+	return 0;
+}
+
+const struct file_operations incfs_file_ops = {
+	.open = file_open,
+	.release = file_release,
+	.read_iter = generic_file_read_iter,
+	.mmap = incfs_file_mmap,
+	.splice_read = generic_file_splice_read,
+	.llseek = generic_file_llseek,
+	.unlocked_ioctl = dispatch_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = incfs_compat_ioctl,
+#endif
+};
+
+const struct inode_operations incfs_file_inode_ops = {
+	.setattr = incfs_setattr,
+	.getattr = incfs_getattr,
+	.listxattr = incfs_listxattr
+};
+
+static int incfs_handler_getxattr(const struct xattr_handler *xh,
+				  struct dentry *d, struct inode *inode,
+				  const char *name, void *buffer, size_t size,
+				  int flags)
+{
+	return incfs_getxattr(d, name, buffer, size);
+}
+
+static int incfs_handler_setxattr(const struct xattr_handler *xh,
+				  struct dentry *d, struct inode *inode,
+				  const char *name, const void *buffer,
+				  size_t size, int flags)
+{
+	return incfs_setxattr(d, name, buffer, size, flags);
+}
+
+static const struct xattr_handler incfs_xattr_handler = {
+	.prefix = "",	/* AKA all attributes */
+	.get = incfs_handler_getxattr,
+	.set = incfs_handler_setxattr,
+};
+
+static const struct xattr_handler *incfs_xattr_ops[] = {
+	&incfs_xattr_handler,
+	NULL,
+};
+
+struct inode_search {
+	unsigned long ino;
+
+	struct dentry *backing_dentry;
+
+	size_t size;
+
+	bool verity;
+};
+
+enum parse_parameter {
+	Opt_read_timeout,
+	Opt_readahead_pages,
+	Opt_rlog_pages,
+	Opt_rlog_wakeup_cnt,
+	Opt_report_uid,
+	Opt_sysfs_name,
+	Opt_err
+};
+
+static const match_table_t option_tokens = {
+	{ Opt_read_timeout, "read_timeout_ms=%u" },
+	{ Opt_readahead_pages, "readahead=%u" },
+	{ Opt_rlog_pages, "rlog_pages=%u" },
+	{ Opt_rlog_wakeup_cnt, "rlog_wakeup_cnt=%u" },
+	{ Opt_report_uid, "report_uid" },
+	{ Opt_sysfs_name, "sysfs_name=%s" },
+	{ Opt_err, NULL }
+};
+
+static void free_options(struct mount_options *opts)
+{
+	kfree(opts->sysfs_name);
+	opts->sysfs_name = NULL;
+}
+
+static int parse_options(struct mount_options *opts, char *str)
+{
+	substring_t args[MAX_OPT_ARGS];
+	int value;
+	char *position;
+
+	if (opts == NULL)
+		return -EFAULT;
+
+	*opts = (struct mount_options) {
+		.read_timeout_ms = 1000, /* Default: 1s */
+		.readahead_pages = 10,
+		.read_log_pages = 2,
+		.read_log_wakeup_count = 10,
+	};
+
+	if (str == NULL || *str == 0)
+		return 0;
+
+	while ((position = strsep(&str, ",")) != NULL) {
+		int token;
+
+		if (!*position)
+			continue;
+
+		token = match_token(position, option_tokens, args);
+
+		switch (token) {
+		case Opt_read_timeout:
+			if (match_int(&args[0], &value))
+				return -EINVAL;
+			if (value > 3600000)
+				return -EINVAL;
+			opts->read_timeout_ms = value;
+			break;
+		case Opt_readahead_pages:
+			if (match_int(&args[0], &value))
+				return -EINVAL;
+			opts->readahead_pages = value;
+			break;
+		case Opt_rlog_pages:
+			if (match_int(&args[0], &value))
+				return -EINVAL;
+			opts->read_log_pages = value;
+			break;
+		case Opt_rlog_wakeup_cnt:
+			if (match_int(&args[0], &value))
+				return -EINVAL;
+			opts->read_log_wakeup_count = value;
+			break;
+		case Opt_report_uid:
+			opts->report_uid = true;
+			break;
+		case Opt_sysfs_name:
+			opts->sysfs_name = match_strdup(&args[0]);
+			break;
+		default:
+			free_options(opts);
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+/* Read file size from the attribute. Quicker than reading the header */
+static u64 read_size_attr(struct dentry *backing_dentry)
+{
+	__le64 attr_value;
+	ssize_t bytes_read;
+
+	bytes_read = vfs_getxattr(backing_dentry, INCFS_XATTR_SIZE_NAME,
+			(char *)&attr_value, sizeof(attr_value));
+
+	if (bytes_read != sizeof(attr_value))
+		return 0;
+
+	return le64_to_cpu(attr_value);
+}
+
+/* Read verity flag from the attribute. Quicker than reading the header */
+static bool read_verity_attr(struct dentry *backing_dentry)
+{
+	return vfs_getxattr(backing_dentry, INCFS_XATTR_VERITY_NAME, NULL, 0)
+		>= 0;
+}
+
+static int inode_test(struct inode *inode, void *opaque)
+{
+	struct inode_search *search = opaque;
+	struct inode_info *node = get_incfs_node(inode);
+	struct inode *backing_inode = d_inode(search->backing_dentry);
+
+	if (!node)
+		return 0;
+
+	return node->n_backing_inode == backing_inode &&
+		inode->i_ino == search->ino;
+}
+
+static int inode_set(struct inode *inode, void *opaque)
+{
+	struct inode_search *search = opaque;
+	struct inode_info *node = get_incfs_node(inode);
+	struct dentry *backing_dentry = search->backing_dentry;
+	struct inode *backing_inode = d_inode(backing_dentry);
+
+	fsstack_copy_attr_all(inode, backing_inode);
+	if (S_ISREG(inode->i_mode)) {
+		u64 size = search->size;
+
+		inode->i_size = size;
+		inode->i_blocks = get_blocks_count_for_size(size);
+		inode->i_mapping->a_ops = &incfs_address_space_ops;
+		inode->i_op = &incfs_file_inode_ops;
+		inode->i_fop = &incfs_file_ops;
+		inode->i_mode &= ~0222;
+		if (search->verity)
+			inode_set_flags(inode, S_VERITY, S_VERITY);
+	} else if (S_ISDIR(inode->i_mode)) {
+		inode->i_size = 0;
+		inode->i_blocks = 1;
+		inode->i_mapping->a_ops = &incfs_address_space_ops;
+		inode->i_op = &incfs_dir_inode_ops;
+		inode->i_fop = &incfs_dir_fops;
+	} else {
+		pr_warn_once("incfs: Unexpected inode type\n");
+		return -EBADF;
+	}
+
+	ihold(backing_inode);
+	node->n_backing_inode = backing_inode;
+	node->n_mount_info = get_mount_info(inode->i_sb);
+	inode->i_ctime = backing_inode->i_ctime;
+	inode->i_mtime = backing_inode->i_mtime;
+	inode->i_atime = backing_inode->i_atime;
+	inode->i_ino = backing_inode->i_ino;
+	if (backing_inode->i_ino < INCFS_START_INO_RANGE) {
+		pr_warn("incfs: ino conflict with backing FS %ld\n",
+			backing_inode->i_ino);
+	}
+
+	return 0;
+}
+
+static struct inode *fetch_regular_inode(struct super_block *sb,
+					struct dentry *backing_dentry)
+{
+	struct inode *backing_inode = d_inode(backing_dentry);
+	struct inode_search search = {
+		.ino = backing_inode->i_ino,
+		.backing_dentry = backing_dentry,
+		.size = read_size_attr(backing_dentry),
+		.verity = read_verity_attr(backing_dentry),
+	};
+	struct inode *inode = iget5_locked(sb, search.ino, inode_test,
+				inode_set, &search);
+
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+
+	if (inode->i_state & I_NEW)
+		unlock_new_inode(inode);
+
+	return inode;
+}
+
+static int iterate_incfs_dir(struct file *file, struct dir_context *ctx)
+{
+	struct dir_file *dir = get_incfs_dir_file(file);
+	int error = 0;
+	struct mount_info *mi = get_mount_info(file_superblock(file));
+	bool root;
+
+	if (!dir) {
+		error = -EBADF;
+		goto out;
+	}
+
+	root = dir->backing_dir->f_inode
+			== d_inode(mi->mi_backing_dir_path.dentry);
+
+	if (root) {
+		error = emit_pseudo_files(ctx);
+		if (error)
+			goto out;
+	}
+
+	ctx->pos -= PSEUDO_FILE_COUNT;
+	error = iterate_dir(dir->backing_dir, ctx);
+	ctx->pos += PSEUDO_FILE_COUNT;
+	file->f_pos = dir->backing_dir->f_pos;
+out:
+	if (error)
+		pr_warn("incfs: %s %s %d\n", __func__,
+			file->f_path.dentry->d_name.name, error);
+	return error;
+}
+
+static int incfs_init_dentry(struct dentry *dentry, struct path *path)
+{
+	struct dentry_info *d_info = NULL;
+
+	if (!dentry || !path)
+		return -EFAULT;
+
+	d_info = kzalloc(sizeof(*d_info), GFP_NOFS);
+	if (!d_info)
+		return -ENOMEM;
+
+	d_info->backing_path = *path;
+	path_get(path);
+
+	dentry->d_fsdata = d_info;
+	return 0;
+}
+
+static struct dentry *open_or_create_special_dir(struct dentry *backing_dir,
+						 const char *name,
+						 bool *created)
+{
+	struct dentry *index_dentry;
+	struct inode *backing_inode = d_inode(backing_dir);
+	int err = 0;
+
+	index_dentry = incfs_lookup_dentry(backing_dir, name);
+	if (!index_dentry) {
+		return ERR_PTR(-EINVAL);
+	} else if (IS_ERR(index_dentry)) {
+		return index_dentry;
+	} else if (d_really_is_positive(index_dentry)) {
+		/* Index already exists. */
+		*created = false;
+		return index_dentry;
+	}
+
+	/* Index needs to be created. */
+	inode_lock_nested(backing_inode, I_MUTEX_PARENT);
+	err = vfs_mkdir(backing_inode, index_dentry, 0777);
+	inode_unlock(backing_inode);
+
+	if (err) {
+		dput(index_dentry);
+		return ERR_PTR(err);
+	}
+
+	if (!d_really_is_positive(index_dentry) ||
+		unlikely(d_unhashed(index_dentry))) {
+		dput(index_dentry);
+		return ERR_PTR(-EINVAL);
+	}
+
+	*created = true;
+	return index_dentry;
+}
+
+static int read_single_page_timeouts(struct data_file *df, struct file *f,
+				     int block_index, struct mem_range range,
+				     struct mem_range tmp,
+				     unsigned int *delayed_min_us)
+{
+	struct mount_info *mi = df->df_mount_info;
+	struct incfs_read_data_file_timeouts timeouts = {
+		.max_pending_time_us = U32_MAX,
+	};
+	int uid = current_uid().val;
+	int i;
+
+	spin_lock(&mi->mi_per_uid_read_timeouts_lock);
+	for (i = 0; i < mi->mi_per_uid_read_timeouts_size /
+		sizeof(*mi->mi_per_uid_read_timeouts); ++i) {
+		struct incfs_per_uid_read_timeouts *t =
+			&mi->mi_per_uid_read_timeouts[i];
+
+		if(t->uid == uid) {
+			timeouts.min_time_us = t->min_time_us;
+			timeouts.min_pending_time_us = t->min_pending_time_us;
+			timeouts.max_pending_time_us = t->max_pending_time_us;
+			break;
+		}
+	}
+	spin_unlock(&mi->mi_per_uid_read_timeouts_lock);
+	if (timeouts.max_pending_time_us == U32_MAX) {
+		u64 read_timeout_us = (u64)mi->mi_options.read_timeout_ms *
+					1000;
+
+		timeouts.max_pending_time_us = read_timeout_us <= U32_MAX ?
+					       read_timeout_us : U32_MAX;
+	}
+
+	return incfs_read_data_file_block(range, f, block_index, tmp,
+					  &timeouts, delayed_min_us);
+}
+
+static int usleep_interruptible(u32 us)
+{
+	/* See:
+	 * https://www.kernel.org/doc/Documentation/timers/timers-howto.txt
+	 * for explanation
+	 */
+	if (us < 10) {
+		udelay(us);
+		return 0;
+	} else if (us < 20000) {
+		usleep_range(us, us + us / 10);
+		return 0;
+	} else
+		return msleep_interruptible(us / 1000);
+}
+
+static int read_single_page(struct file *f, struct page *page)
+{
+	loff_t offset = 0;
+	loff_t size = 0;
+	ssize_t bytes_to_read = 0;
+	ssize_t read_result = 0;
+	struct data_file *df = get_incfs_data_file(f);
+	int result = 0;
+	void *page_start;
+	int block_index;
+	unsigned int delayed_min_us = 0;
+
+	if (!df) {
+		SetPageError(page);
+		unlock_page(page);
+		return -EBADF;
+	}
+
+	page_start = kmap(page);
+	offset = page_offset(page);
+	block_index = (offset + df->df_mapped_offset) /
+		INCFS_DATA_FILE_BLOCK_SIZE;
+	size = df->df_size;
+
+	if (offset < size) {
+		struct mem_range tmp = {
+			.len = 2 * INCFS_DATA_FILE_BLOCK_SIZE
+		};
+		tmp.data = (u8 *)__get_free_pages(GFP_NOFS, get_order(tmp.len));
+		if (!tmp.data) {
+			read_result = -ENOMEM;
+			goto err;
+		}
+		bytes_to_read = min_t(loff_t, size - offset, PAGE_SIZE);
+
+		read_result = read_single_page_timeouts(df, f, block_index,
+					range(page_start, bytes_to_read), tmp,
+					&delayed_min_us);
+
+		free_pages((unsigned long)tmp.data, get_order(tmp.len));
+	} else {
+		bytes_to_read = 0;
+		read_result = 0;
+	}
+
+err:
+	if (read_result < 0)
+		result = read_result;
+	else if (read_result < PAGE_SIZE)
+		zero_user(page, read_result, PAGE_SIZE - read_result);
+
+	if (result == 0)
+		SetPageUptodate(page);
+	else
+		SetPageError(page);
+
+	flush_dcache_page(page);
+	kunmap(page);
+	unlock_page(page);
+	if (delayed_min_us)
+		usleep_interruptible(delayed_min_us);
+	return result;
+}
+
+int incfs_link(struct dentry *what, struct dentry *where)
+{
+	struct dentry *parent_dentry = dget_parent(where);
+	struct inode *pinode = d_inode(parent_dentry);
+	int error = 0;
+
+	inode_lock_nested(pinode, I_MUTEX_PARENT);
+	error = vfs_link(what, pinode, where, NULL);
+	inode_unlock(pinode);
+
+	dput(parent_dentry);
+	return error;
+}
+
+int incfs_unlink(struct dentry *dentry)
+{
+	struct dentry *parent_dentry = dget_parent(dentry);
+	struct inode *pinode = d_inode(parent_dentry);
+	int error = 0;
+
+	inode_lock_nested(pinode, I_MUTEX_PARENT);
+	error = vfs_unlink(pinode, dentry, NULL);
+	inode_unlock(pinode);
+
+	dput(parent_dentry);
+	return error;
+}
+
+static int incfs_rmdir(struct dentry *dentry)
+{
+	struct dentry *parent_dentry = dget_parent(dentry);
+	struct inode *pinode = d_inode(parent_dentry);
+	int error = 0;
+
+	inode_lock_nested(pinode, I_MUTEX_PARENT);
+	error = vfs_rmdir(pinode, dentry);
+	inode_unlock(pinode);
+
+	dput(parent_dentry);
+	return error;
+}
+
+static void notify_unlink(struct dentry *dentry, const char *file_id_str,
+			  const char *special_directory)
+{
+	struct dentry *root = dentry;
+	struct dentry *file = NULL;
+	struct dentry *dir = NULL;
+	int error = 0;
+	bool take_lock = root->d_parent != root->d_parent->d_parent;
+
+	while (root != root->d_parent)
+		root = root->d_parent;
+
+	if (take_lock)
+		dir = incfs_lookup_dentry(root, special_directory);
+	else
+		dir = lookup_one_len(special_directory, root,
+				     strlen(special_directory));
+
+	if (IS_ERR(dir)) {
+		error = PTR_ERR(dir);
+		goto out;
+	}
+	if (d_is_negative(dir)) {
+		error = -ENOENT;
+		goto out;
+	}
+
+	file = incfs_lookup_dentry(dir, file_id_str);
+	if (IS_ERR(file)) {
+		error = PTR_ERR(file);
+		goto out;
+	}
+	if (d_is_negative(file)) {
+		error = -ENOENT;
+		goto out;
+	}
+
+	fsnotify_unlink(d_inode(dir), file);
+	d_delete(file);
+
+out:
+	if (error)
+		pr_warn("%s failed with error %d\n", __func__, error);
+
+	dput(dir);
+	dput(file);
+}
+
+static void handle_file_completed(struct file *f, struct data_file *df)
+{
+	struct backing_file_context *bfc;
+	struct mount_info *mi = df->df_mount_info;
+	char *file_id_str = NULL;
+	struct dentry *incomplete_file_dentry = NULL;
+	const struct cred *old_cred = override_creds(mi->mi_owner);
+	int error;
+
+	/* Truncate file to remove any preallocated space */
+	bfc = df->df_backing_file_context;
+	if (bfc) {
+		struct file *f = bfc->bc_file;
+
+		if (f) {
+			loff_t size = i_size_read(file_inode(f));
+
+			error = vfs_truncate(&f->f_path, size);
+			if (error)
+				/* No useful action on failure */
+				pr_warn("incfs: Failed to truncate complete file: %d\n",
+					error);
+		}
+	}
+
+	/* This is best effort - there is no useful action to take on failure */
+	file_id_str = file_id_to_str(df->df_id);
+	if (!file_id_str)
+		goto out;
+
+	incomplete_file_dentry = incfs_lookup_dentry(
+					df->df_mount_info->mi_incomplete_dir,
+					file_id_str);
+	if (!incomplete_file_dentry || IS_ERR(incomplete_file_dentry)) {
+		incomplete_file_dentry = NULL;
+		goto out;
+	}
+
+	if (!d_really_is_positive(incomplete_file_dentry))
+		goto out;
+
+	vfs_fsync(df->df_backing_file_context->bc_file, 0);
+	error = incfs_unlink(incomplete_file_dentry);
+	if (error) {
+		pr_warn("incfs: Deleting incomplete file failed: %d\n", error);
+		goto out;
+	}
+
+	notify_unlink(f->f_path.dentry, file_id_str, INCFS_INCOMPLETE_NAME);
+
+out:
+	dput(incomplete_file_dentry);
+	kfree(file_id_str);
+	revert_creds(old_cred);
+}
+
+static long ioctl_fill_blocks(struct file *f, void __user *arg)
+{
+	struct incfs_fill_blocks __user *usr_fill_blocks = arg;
+	struct incfs_fill_blocks fill_blocks;
+	struct incfs_fill_block __user *usr_fill_block_array;
+	struct data_file *df = get_incfs_data_file(f);
+	struct incfs_file_data *fd = f->private_data;
+	const ssize_t data_buf_size = 2 * INCFS_DATA_FILE_BLOCK_SIZE;
+	u8 *data_buf = NULL;
+	ssize_t error = 0;
+	int i = 0;
+	bool complete = false;
+
+	if (!df)
+		return -EBADF;
+
+	if (!fd || fd->fd_fill_permission != CAN_FILL)
+		return -EPERM;
+
+	if (copy_from_user(&fill_blocks, usr_fill_blocks, sizeof(fill_blocks)))
+		return -EFAULT;
+
+	usr_fill_block_array = u64_to_user_ptr(fill_blocks.fill_blocks);
+	data_buf = (u8 *)__get_free_pages(GFP_NOFS | __GFP_COMP,
+					  get_order(data_buf_size));
+	if (!data_buf)
+		return -ENOMEM;
+
+	for (i = 0; i < fill_blocks.count; i++) {
+		struct incfs_fill_block fill_block = {};
+
+		if (copy_from_user(&fill_block, &usr_fill_block_array[i],
+				   sizeof(fill_block)) > 0) {
+			error = -EFAULT;
+			break;
+		}
+
+		if (fill_block.data_len > data_buf_size) {
+			error = -E2BIG;
+			break;
+		}
+
+		if (copy_from_user(data_buf, u64_to_user_ptr(fill_block.data),
+				   fill_block.data_len) > 0) {
+			error = -EFAULT;
+			break;
+		}
+		fill_block.data = 0; /* To make sure nobody uses it. */
+		if (fill_block.flags & INCFS_BLOCK_FLAGS_HASH) {
+			error = incfs_process_new_hash_block(df, &fill_block,
+							     data_buf);
+		} else {
+			error = incfs_process_new_data_block(df, &fill_block,
+							data_buf, &complete);
+		}
+		if (error)
+			break;
+	}
+
+	if (data_buf)
+		free_pages((unsigned long)data_buf, get_order(data_buf_size));
+
+	if (complete)
+		handle_file_completed(f, df);
+
+	/*
+	 * Only report the error if no records were processed, otherwise
+	 * just return how many were processed successfully.
+	 */
+	if (i == 0)
+		return error;
+
+	return i;
+}
+
+static long ioctl_read_file_signature(struct file *f, void __user *arg)
+{
+	struct incfs_get_file_sig_args __user *args_usr_ptr = arg;
+	struct incfs_get_file_sig_args args = {};
+	u8 *sig_buffer = NULL;
+	size_t sig_buf_size = 0;
+	int error = 0;
+	int read_result = 0;
+	struct data_file *df = get_incfs_data_file(f);
+
+	if (!df)
+		return -EINVAL;
+
+	if (copy_from_user(&args, args_usr_ptr, sizeof(args)) > 0)
+		return -EINVAL;
+
+	sig_buf_size = args.file_signature_buf_size;
+	if (sig_buf_size > INCFS_MAX_SIGNATURE_SIZE)
+		return -E2BIG;
+
+	sig_buffer = kzalloc(sig_buf_size, GFP_NOFS | __GFP_COMP);
+	if (!sig_buffer)
+		return -ENOMEM;
+
+	read_result = incfs_read_file_signature(df,
+			range(sig_buffer, sig_buf_size));
+
+	if (read_result < 0) {
+		error = read_result;
+		goto out;
+	}
+
+	if (copy_to_user(u64_to_user_ptr(args.file_signature), sig_buffer,
+			read_result)) {
+		error = -EFAULT;
+		goto out;
+	}
+
+	args.file_signature_len_out = read_result;
+	if (copy_to_user(args_usr_ptr, &args, sizeof(args)))
+		error = -EFAULT;
+
+out:
+	kfree(sig_buffer);
+
+	return error;
+}
+
+static long ioctl_get_filled_blocks(struct file *f, void __user *arg)
+{
+	struct incfs_get_filled_blocks_args __user *args_usr_ptr = arg;
+	struct incfs_get_filled_blocks_args args = {};
+	struct data_file *df = get_incfs_data_file(f);
+	struct incfs_file_data *fd = f->private_data;
+	int error;
+
+	if (!df || !fd)
+		return -EINVAL;
+
+	if (fd->fd_fill_permission != CAN_FILL)
+		return -EPERM;
+
+	if (copy_from_user(&args, args_usr_ptr, sizeof(args)) > 0)
+		return -EINVAL;
+
+	error = incfs_get_filled_blocks(df, fd, &args);
+
+	if (copy_to_user(args_usr_ptr, &args, sizeof(args)))
+		return -EFAULT;
+
+	return error;
+}
+
+static long ioctl_get_block_count(struct file *f, void __user *arg)
+{
+	struct incfs_get_block_count_args __user *args_usr_ptr = arg;
+	struct incfs_get_block_count_args args = {};
+	struct data_file *df = get_incfs_data_file(f);
+
+	if (!df)
+		return -EINVAL;
+
+	args.total_data_blocks_out = df->df_data_block_count;
+	args.filled_data_blocks_out = atomic_read(&df->df_data_blocks_written);
+	args.total_hash_blocks_out = df->df_total_block_count -
+		df->df_data_block_count;
+	args.filled_hash_blocks_out = atomic_read(&df->df_hash_blocks_written);
+
+	if (copy_to_user(args_usr_ptr, &args, sizeof(args)))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int incfs_ioctl_get_flags(struct file *f, void __user *arg)
+{
+	u32 flags = IS_VERITY(file_inode(f)) ? FS_VERITY_FL : 0;
+
+	return put_user(flags, (int __user *) arg);
+}
+
+static long dispatch_ioctl(struct file *f, unsigned int req, unsigned long arg)
+{
+	switch (req) {
+	case INCFS_IOC_FILL_BLOCKS:
+		return ioctl_fill_blocks(f, (void __user *)arg);
+	case INCFS_IOC_READ_FILE_SIGNATURE:
+		return ioctl_read_file_signature(f, (void __user *)arg);
+	case INCFS_IOC_GET_FILLED_BLOCKS:
+		return ioctl_get_filled_blocks(f, (void __user *)arg);
+	case INCFS_IOC_GET_BLOCK_COUNT:
+		return ioctl_get_block_count(f, (void __user *)arg);
+	case FS_IOC_ENABLE_VERITY:
+		return incfs_ioctl_enable_verity(f, (const void __user *)arg);
+	case FS_IOC_GETFLAGS:
+		return incfs_ioctl_get_flags(f, (void __user *) arg);
+	case FS_IOC_MEASURE_VERITY:
+		return incfs_ioctl_measure_verity(f, (void __user *)arg);
+	case FS_IOC_READ_VERITY_METADATA:
+		return incfs_ioctl_read_verity_metadata(f, (void __user *)arg);
+	default:
+		return -EINVAL;
+	}
+}
+
+#ifdef CONFIG_COMPAT
+static long incfs_compat_ioctl(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	switch (cmd) {
+	case FS_IOC32_GETFLAGS:
+		cmd = FS_IOC_GETFLAGS;
+		break;
+	case INCFS_IOC_FILL_BLOCKS:
+	case INCFS_IOC_READ_FILE_SIGNATURE:
+	case INCFS_IOC_GET_FILLED_BLOCKS:
+	case INCFS_IOC_GET_BLOCK_COUNT:
+	case FS_IOC_ENABLE_VERITY:
+	case FS_IOC_MEASURE_VERITY:
+	case FS_IOC_READ_VERITY_METADATA:
+		break;
+	default:
+		return -ENOIOCTLCMD;
+	}
+	return dispatch_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
+}
+#endif
+
+static struct dentry *dir_lookup(struct inode *dir_inode, struct dentry *dentry,
+				 unsigned int flags)
+{
+	struct mount_info *mi = get_mount_info(dir_inode->i_sb);
+	struct dentry *dir_dentry = NULL;
+	struct dentry *backing_dentry = NULL;
+	struct path dir_backing_path = {};
+	struct inode_info *dir_info = get_incfs_node(dir_inode);
+	int err = 0;
+
+	if (!mi || !dir_info || !dir_info->n_backing_inode)
+		return ERR_PTR(-EBADF);
+
+	if (d_inode(mi->mi_backing_dir_path.dentry) ==
+		dir_info->n_backing_inode) {
+		/* We do lookup in the FS root. Show pseudo files. */
+		err = dir_lookup_pseudo_files(dir_inode->i_sb, dentry);
+		if (err != -ENOENT)
+			goto out;
+		err = 0;
+	}
+
+	dir_dentry = dget_parent(dentry);
+	get_incfs_backing_path(dir_dentry, &dir_backing_path);
+	backing_dentry = incfs_lookup_dentry(dir_backing_path.dentry,
+						dentry->d_name.name);
+
+	if (!backing_dentry || IS_ERR(backing_dentry)) {
+		err = IS_ERR(backing_dentry)
+			? PTR_ERR(backing_dentry)
+			: -EFAULT;
+		backing_dentry = NULL;
+		goto out;
+	} else {
+		struct inode *inode = NULL;
+		struct path backing_path = {
+			.mnt = dir_backing_path.mnt,
+			.dentry = backing_dentry
+		};
+
+		err = incfs_init_dentry(dentry, &backing_path);
+		if (err)
+			goto out;
+
+		if (!d_really_is_positive(backing_dentry)) {
+			/*
+			 * No such entry found in the backing dir.
+			 * Create a negative entry.
+			 */
+			d_add(dentry, NULL);
+			err = 0;
+			goto out;
+		}
+
+		if (d_inode(backing_dentry)->i_sb !=
+				dir_info->n_backing_inode->i_sb) {
+			/*
+			 * Somehow after the path lookup we ended up in a
+			 * different fs mount. If we keep going it's going
+			 * to end badly.
+			 */
+			err = -EXDEV;
+			goto out;
+		}
+
+		inode = fetch_regular_inode(dir_inode->i_sb, backing_dentry);
+		if (IS_ERR(inode)) {
+			err = PTR_ERR(inode);
+			goto out;
+		}
+
+		d_add(dentry, inode);
+	}
+
+out:
+	dput(dir_dentry);
+	dput(backing_dentry);
+	path_put(&dir_backing_path);
+	if (err)
+		pr_debug("incfs: %s %s %d\n", __func__,
+			 dentry->d_name.name, err);
+	return ERR_PTR(err);
+}
+
+static int dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+	struct mount_info *mi = get_mount_info(dir->i_sb);
+	struct inode_info *dir_node = get_incfs_node(dir);
+	struct dentry *backing_dentry = NULL;
+	struct path backing_path = {};
+	int err = 0;
+
+
+	if (!mi || !dir_node || !dir_node->n_backing_inode)
+		return -EBADF;
+
+	err = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+	if (err)
+		return err;
+
+	get_incfs_backing_path(dentry, &backing_path);
+	backing_dentry = backing_path.dentry;
+
+	if (!backing_dentry) {
+		err = -EBADF;
+		goto path_err;
+	}
+
+	if (backing_dentry->d_parent == mi->mi_index_dir) {
+		/* Can't create a subdir inside .index */
+		err = -EBUSY;
+		goto out;
+	}
+
+	if (backing_dentry->d_parent == mi->mi_incomplete_dir) {
+		/* Can't create a subdir inside .incomplete */
+		err = -EBUSY;
+		goto out;
+	}
+	inode_lock_nested(dir_node->n_backing_inode, I_MUTEX_PARENT);
+	err = vfs_mkdir(dir_node->n_backing_inode, backing_dentry, mode | 0222);
+	inode_unlock(dir_node->n_backing_inode);
+	if (!err) {
+		struct inode *inode = NULL;
+
+		if (d_really_is_negative(backing_dentry) ||
+			unlikely(d_unhashed(backing_dentry))) {
+			err = -EINVAL;
+			goto out;
+		}
+
+		inode = fetch_regular_inode(dir->i_sb, backing_dentry);
+		if (IS_ERR(inode)) {
+			err = PTR_ERR(inode);
+			goto out;
+		}
+		d_instantiate(dentry, inode);
+	}
+
+out:
+	if (d_really_is_negative(dentry))
+		d_drop(dentry);
+	path_put(&backing_path);
+
+path_err:
+	mutex_unlock(&mi->mi_dir_struct_mutex);
+	if (err)
+		pr_debug("incfs: %s err:%d\n", __func__, err);
+	return err;
+}
+
+/*
+ * Delete file referenced by backing_dentry and if appropriate its hardlink
+ * from .index and .incomplete
+ */
+static int file_delete(struct mount_info *mi, struct dentry *dentry,
+			struct dentry *backing_dentry, int nlink)
+{
+	struct dentry *index_file_dentry = NULL;
+	struct dentry *incomplete_file_dentry = NULL;
+	/* 2 chars per byte of file ID + 1 char for \0 */
+	char file_id_str[2 * sizeof(incfs_uuid_t) + 1] = {0};
+	ssize_t uuid_size = 0;
+	int error = 0;
+
+	WARN_ON(!mutex_is_locked(&mi->mi_dir_struct_mutex));
+
+	if (nlink > 3)
+		goto just_unlink;
+
+	uuid_size = vfs_getxattr(backing_dentry, INCFS_XATTR_ID_NAME,
+			file_id_str, 2 * sizeof(incfs_uuid_t));
+	if (uuid_size < 0) {
+		error = uuid_size;
+		goto out;
+	}
+
+	if (uuid_size != 2 * sizeof(incfs_uuid_t)) {
+		error = -EBADMSG;
+		goto out;
+	}
+
+	index_file_dentry = incfs_lookup_dentry(mi->mi_index_dir, file_id_str);
+	if (IS_ERR(index_file_dentry)) {
+		error = PTR_ERR(index_file_dentry);
+		index_file_dentry = NULL;
+		goto out;
+	}
+
+	if (d_really_is_positive(index_file_dentry) && nlink > 0)
+		nlink--;
+
+	if (nlink > 2)
+		goto just_unlink;
+
+	incomplete_file_dentry = incfs_lookup_dentry(mi->mi_incomplete_dir,
+						     file_id_str);
+	if (IS_ERR(incomplete_file_dentry)) {
+		error = PTR_ERR(incomplete_file_dentry);
+		incomplete_file_dentry = NULL;
+		goto out;
+	}
+
+	if (d_really_is_positive(incomplete_file_dentry) && nlink > 0)
+		nlink--;
+
+	if (nlink > 1)
+		goto just_unlink;
+
+	if (d_really_is_positive(index_file_dentry)) {
+		error = incfs_unlink(index_file_dentry);
+		if (error)
+			goto out;
+		notify_unlink(dentry, file_id_str, INCFS_INDEX_NAME);
+	}
+
+	if (d_really_is_positive(incomplete_file_dentry)) {
+		error = incfs_unlink(incomplete_file_dentry);
+		if (error)
+			goto out;
+		notify_unlink(dentry, file_id_str, INCFS_INCOMPLETE_NAME);
+	}
+
+just_unlink:
+	error = incfs_unlink(backing_dentry);
+
+out:
+	dput(index_file_dentry);
+	dput(incomplete_file_dentry);
+	if (error)
+		pr_debug("incfs: delete_file_from_index err:%d\n", error);
+	return error;
+}
+
+static int dir_unlink(struct inode *dir, struct dentry *dentry)
+{
+	struct mount_info *mi = get_mount_info(dir->i_sb);
+	struct path backing_path = {};
+	struct kstat stat;
+	int err = 0;
+
+	if (!mi)
+		return -EBADF;
+
+	err = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+	if (err)
+		return err;
+
+	get_incfs_backing_path(dentry, &backing_path);
+	if (!backing_path.dentry) {
+		err = -EBADF;
+		goto path_err;
+	}
+
+	if (backing_path.dentry->d_parent == mi->mi_index_dir) {
+		/* Direct unlink from .index are not allowed. */
+		err = -EBUSY;
+		goto out;
+	}
+
+	if (backing_path.dentry->d_parent == mi->mi_incomplete_dir) {
+		/* Direct unlink from .incomplete are not allowed. */
+		err = -EBUSY;
+		goto out;
+	}
+
+	err = vfs_getattr(&backing_path, &stat, STATX_NLINK,
+			  AT_STATX_SYNC_AS_STAT);
+	if (err)
+		goto out;
+
+	err = file_delete(mi, dentry, backing_path.dentry, stat.nlink);
+
+	d_drop(dentry);
+out:
+	path_put(&backing_path);
+path_err:
+	if (err)
+		pr_debug("incfs: %s err:%d\n", __func__, err);
+	mutex_unlock(&mi->mi_dir_struct_mutex);
+	return err;
+}
+
+static int dir_link(struct dentry *old_dentry, struct inode *dir,
+			 struct dentry *new_dentry)
+{
+	struct mount_info *mi = get_mount_info(dir->i_sb);
+	struct path backing_old_path = {};
+	struct path backing_new_path = {};
+	int error = 0;
+
+	if (!mi)
+		return -EBADF;
+
+	error = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+	if (error)
+		return error;
+
+	get_incfs_backing_path(old_dentry, &backing_old_path);
+	get_incfs_backing_path(new_dentry, &backing_new_path);
+
+	if (backing_new_path.dentry->d_parent == mi->mi_index_dir) {
+		/* Can't link to .index */
+		error = -EBUSY;
+		goto out;
+	}
+
+	if (backing_new_path.dentry->d_parent == mi->mi_incomplete_dir) {
+		/* Can't link to .incomplete */
+		error = -EBUSY;
+		goto out;
+	}
+
+	error = incfs_link(backing_old_path.dentry, backing_new_path.dentry);
+	if (!error) {
+		struct inode *inode = NULL;
+		struct dentry *bdentry = backing_new_path.dentry;
+
+		if (d_really_is_negative(bdentry)) {
+			error = -EINVAL;
+			goto out;
+		}
+
+		inode = fetch_regular_inode(dir->i_sb, bdentry);
+		if (IS_ERR(inode)) {
+			error = PTR_ERR(inode);
+			goto out;
+		}
+		d_instantiate(new_dentry, inode);
+	}
+
+out:
+	path_put(&backing_old_path);
+	path_put(&backing_new_path);
+	if (error)
+		pr_debug("incfs: %s err:%d\n", __func__, error);
+	mutex_unlock(&mi->mi_dir_struct_mutex);
+	return error;
+}
+
+static int dir_rmdir(struct inode *dir, struct dentry *dentry)
+{
+	struct mount_info *mi = get_mount_info(dir->i_sb);
+	struct path backing_path = {};
+	int err = 0;
+
+	if (!mi)
+		return -EBADF;
+
+	err = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+	if (err)
+		return err;
+
+	get_incfs_backing_path(dentry, &backing_path);
+	if (!backing_path.dentry) {
+		err = -EBADF;
+		goto path_err;
+	}
+
+	if (backing_path.dentry == mi->mi_index_dir) {
+		/* Can't delete .index */
+		err = -EBUSY;
+		goto out;
+	}
+
+	if (backing_path.dentry == mi->mi_incomplete_dir) {
+		/* Can't delete .incomplete */
+		err = -EBUSY;
+		goto out;
+	}
+
+	err = incfs_rmdir(backing_path.dentry);
+	if (!err)
+		d_drop(dentry);
+out:
+	path_put(&backing_path);
+
+path_err:
+	if (err)
+		pr_debug("incfs: %s err:%d\n", __func__, err);
+	mutex_unlock(&mi->mi_dir_struct_mutex);
+	return err;
+}
+
+static int dir_rename(struct inode *old_dir, struct dentry *old_dentry,
+		struct inode *new_dir, struct dentry *new_dentry)
+{
+	struct mount_info *mi = get_mount_info(old_dir->i_sb);
+	struct dentry *backing_old_dentry;
+	struct dentry *backing_new_dentry;
+	struct dentry *backing_old_dir_dentry;
+	struct dentry *backing_new_dir_dentry;
+	struct inode *target_inode;
+	struct dentry *trap;
+	int error = 0;
+
+	error = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+	if (error)
+		return error;
+
+	backing_old_dentry = get_incfs_dentry(old_dentry)->backing_path.dentry;
+
+	if (!backing_old_dentry || backing_old_dentry == mi->mi_index_dir ||
+	    backing_old_dentry == mi->mi_incomplete_dir) {
+		/* Renaming .index or .incomplete not allowed */
+		error = -EBUSY;
+		goto exit;
+	}
+
+	backing_new_dentry = get_incfs_dentry(new_dentry)->backing_path.dentry;
+	dget(backing_old_dentry);
+	dget(backing_new_dentry);
+
+	backing_old_dir_dentry = dget_parent(backing_old_dentry);
+	backing_new_dir_dentry = dget_parent(backing_new_dentry);
+	target_inode = d_inode(new_dentry);
+
+	if (backing_old_dir_dentry == mi->mi_index_dir ||
+	    backing_old_dir_dentry == mi->mi_incomplete_dir) {
+		/* Direct moves from .index or .incomplete are not allowed. */
+		error = -EBUSY;
+		goto out;
+	}
+
+	trap = lock_rename(backing_old_dir_dentry, backing_new_dir_dentry);
+
+	if (trap == backing_old_dentry) {
+		error = -EINVAL;
+		goto unlock_out;
+	}
+	if (trap == backing_new_dentry) {
+		error = -ENOTEMPTY;
+		goto unlock_out;
+	}
+
+	error = vfs_rename(d_inode(backing_old_dir_dentry), backing_old_dentry,
+			d_inode(backing_new_dir_dentry), backing_new_dentry,
+			NULL, 0);
+	if (error)
+		goto unlock_out;
+	if (target_inode)
+		fsstack_copy_attr_all(target_inode,
+			get_incfs_node(target_inode)->n_backing_inode);
+	fsstack_copy_attr_all(new_dir, d_inode(backing_new_dir_dentry));
+	if (new_dir != old_dir)
+		fsstack_copy_attr_all(old_dir, d_inode(backing_old_dir_dentry));
+
+unlock_out:
+	unlock_rename(backing_old_dir_dentry, backing_new_dir_dentry);
+
+out:
+	dput(backing_new_dir_dentry);
+	dput(backing_old_dir_dentry);
+	dput(backing_new_dentry);
+	dput(backing_old_dentry);
+
+exit:
+	mutex_unlock(&mi->mi_dir_struct_mutex);
+	if (error)
+		pr_debug("incfs: %s err:%d\n", __func__, error);
+	return error;
+}
+
+
+static int file_open(struct inode *inode, struct file *file)
+{
+	struct mount_info *mi = get_mount_info(inode->i_sb);
+	struct file *backing_file = NULL;
+	struct path backing_path = {};
+	int err = 0;
+	int flags = O_NOATIME | O_LARGEFILE |
+		(S_ISDIR(inode->i_mode) ? O_RDONLY : O_RDWR);
+	const struct cred *old_cred;
+
+	WARN_ON(file->private_data);
+
+	if (!mi)
+		return -EBADF;
+
+	get_incfs_backing_path(file->f_path.dentry, &backing_path);
+	if (!backing_path.dentry)
+		return -EBADF;
+
+	old_cred = override_creds(mi->mi_owner);
+	backing_file = dentry_open(&backing_path, flags, current_cred());
+	revert_creds(old_cred);
+	path_put(&backing_path);
+
+	if (IS_ERR(backing_file)) {
+		err = PTR_ERR(backing_file);
+		backing_file = NULL;
+		goto out;
+	}
+
+	if (S_ISREG(inode->i_mode)) {
+		struct incfs_file_data *fd = kzalloc(sizeof(*fd), GFP_NOFS);
+
+		if (!fd) {
+			err = -ENOMEM;
+			goto out;
+		}
+
+		*fd = (struct incfs_file_data) {
+			.fd_fill_permission = CANT_FILL,
+		};
+		file->private_data = fd;
+
+		err = make_inode_ready_for_data_ops(mi, inode, backing_file);
+		if (err)
+			goto out;
+
+		err = incfs_fsverity_file_open(inode, file);
+		if (err)
+			goto out;
+	} else if (S_ISDIR(inode->i_mode)) {
+		struct dir_file *dir = NULL;
+
+		dir = incfs_open_dir_file(mi, backing_file);
+		if (IS_ERR(dir))
+			err = PTR_ERR(dir);
+		else
+			file->private_data = dir;
+	} else
+		err = -EBADF;
+
+out:
+	if (err) {
+		pr_debug("name:%s err: %d\n",
+			 file->f_path.dentry->d_name.name, err);
+		if (S_ISREG(inode->i_mode))
+			kfree(file->private_data);
+		else if (S_ISDIR(inode->i_mode))
+			incfs_free_dir_file(file->private_data);
+
+		file->private_data = NULL;
+	}
+
+	if (backing_file)
+		fput(backing_file);
+	return err;
+}
+
+static int file_release(struct inode *inode, struct file *file)
+{
+	if (S_ISREG(inode->i_mode)) {
+		kfree(file->private_data);
+		file->private_data = NULL;
+	} else if (S_ISDIR(inode->i_mode)) {
+		struct dir_file *dir = get_incfs_dir_file(file);
+
+		incfs_free_dir_file(dir);
+	}
+
+	return 0;
+}
+
+static int dentry_revalidate(struct dentry *d, unsigned int flags)
+{
+	struct path backing_path = {};
+	struct inode_info *info = get_incfs_node(d_inode(d));
+	struct inode *binode = (info == NULL) ? NULL : info->n_backing_inode;
+	struct dentry *backing_dentry = NULL;
+	int result = 0;
+
+	if (flags & LOOKUP_RCU)
+		return -ECHILD;
+
+	get_incfs_backing_path(d, &backing_path);
+	backing_dentry = backing_path.dentry;
+	if (!backing_dentry)
+		goto out;
+
+	if (d_inode(backing_dentry) != binode) {
+		/*
+		 * Backing inodes obtained via dentry and inode don't match.
+		 * It indicates that most likely backing dir has changed
+		 * directly bypassing Incremental FS interface.
+		 */
+		goto out;
+	}
+
+	if (backing_dentry->d_flags & DCACHE_OP_REVALIDATE) {
+		result = backing_dentry->d_op->d_revalidate(backing_dentry,
+				flags);
+	} else
+		result = 1;
+
+out:
+	path_put(&backing_path);
+	return result;
+}
+
+static void dentry_release(struct dentry *d)
+{
+	struct dentry_info *di = get_incfs_dentry(d);
+
+	if (di)
+		path_put(&di->backing_path);
+	kfree(d->d_fsdata);
+	d->d_fsdata = NULL;
+}
+
+static struct inode *alloc_inode(struct super_block *sb)
+{
+	struct inode_info *node = kzalloc(sizeof(*node), GFP_NOFS);
+
+	/* TODO: add a slab-based cache here. */
+	if (!node)
+		return NULL;
+	inode_init_once(&node->n_vfs_inode);
+	return &node->n_vfs_inode;
+}
+
+static void free_inode(struct inode *inode)
+{
+	struct inode_info *node = get_incfs_node(inode);
+
+	kfree(node);
+}
+
+static void evict_inode(struct inode *inode)
+{
+	struct inode_info *node = get_incfs_node(inode);
+
+	if (node) {
+		if (node->n_backing_inode) {
+			iput(node->n_backing_inode);
+			node->n_backing_inode = NULL;
+		}
+		if (node->n_file) {
+			incfs_free_data_file(node->n_file);
+			node->n_file = NULL;
+		}
+	}
+
+	truncate_inode_pages(&inode->i_data, 0);
+	clear_inode(inode);
+}
+
+static int incfs_setattr(struct dentry *dentry, struct iattr *ia)
+{
+	struct dentry_info *di = get_incfs_dentry(dentry);
+	struct dentry *backing_dentry;
+	struct inode *backing_inode;
+	int error;
+
+	if (ia->ia_valid & ATTR_SIZE)
+		return -EINVAL;
+
+	if ((ia->ia_valid & (ATTR_KILL_SUID|ATTR_KILL_SGID)) &&
+	    (ia->ia_valid & ATTR_MODE))
+		return -EINVAL;
+
+	if (!di)
+		return -EINVAL;
+	backing_dentry = di->backing_path.dentry;
+	if (!backing_dentry)
+		return -EINVAL;
+
+	backing_inode = d_inode(backing_dentry);
+
+	/* incfs files are readonly, but the backing files must be writeable */
+	if (S_ISREG(backing_inode->i_mode)) {
+		if ((ia->ia_valid & ATTR_MODE) && (ia->ia_mode & 0222))
+			return -EINVAL;
+
+		ia->ia_mode |= 0222;
+	}
+
+	inode_lock(d_inode(backing_dentry));
+	error = notify_change(backing_dentry, ia, NULL);
+	inode_unlock(d_inode(backing_dentry));
+
+	if (error)
+		return error;
+
+	if (S_ISREG(backing_inode->i_mode))
+		ia->ia_mode &= ~0222;
+
+	return simple_setattr(dentry, ia);
+}
+
+
+static int incfs_getattr(const struct path *path,
+			 struct kstat *stat, u32 request_mask,
+			 unsigned int query_flags)
+{
+	struct inode *inode = d_inode(path->dentry);
+
+	generic_fillattr(inode, stat);
+
+	if (inode->i_ino < INCFS_START_INO_RANGE)
+		return 0;
+
+	stat->attributes &= ~STATX_ATTR_VERITY;
+	if (IS_VERITY(inode))
+		stat->attributes |= STATX_ATTR_VERITY;
+	stat->attributes_mask |= STATX_ATTR_VERITY;
+
+	if (request_mask & STATX_BLOCKS) {
+		struct kstat backing_kstat;
+		struct dentry_info *di = get_incfs_dentry(path->dentry);
+		int error = 0;
+		struct path *backing_path;
+
+		if (!di)
+			return -EFSCORRUPTED;
+		backing_path = &di->backing_path;
+		error = vfs_getattr(backing_path, &backing_kstat, STATX_BLOCKS,
+				    AT_STATX_SYNC_AS_STAT);
+		if (error)
+			return error;
+
+		stat->blocks = backing_kstat.blocks;
+	}
+
+	return 0;
+}
+
+static ssize_t incfs_getxattr(struct dentry *d, const char *name,
+			void *value, size_t size)
+{
+	struct dentry_info *di = get_incfs_dentry(d);
+	struct mount_info *mi = get_mount_info(d->d_sb);
+	char *stored_value;
+	size_t stored_size;
+	int i;
+
+	if (di && di->backing_path.dentry)
+		return vfs_getxattr(di->backing_path.dentry, name, value, size);
+
+	if (strcmp(name, "security.selinux"))
+		return -ENODATA;
+
+	for (i = 0; i < PSEUDO_FILE_COUNT; ++i)
+		if (!strcmp(d->d_iname, incfs_pseudo_file_names[i].data))
+			break;
+	if (i == PSEUDO_FILE_COUNT)
+		return -ENODATA;
+
+	stored_value = mi->pseudo_file_xattr[i].data;
+	stored_size = mi->pseudo_file_xattr[i].len;
+	if (!stored_value)
+		return -ENODATA;
+
+	if (stored_size > size)
+		return -E2BIG;
+
+	memcpy(value, stored_value, stored_size);
+	return stored_size;
+}
+
+
+static ssize_t incfs_setxattr(struct dentry *d, const char *name,
+			const void *value, size_t size, int flags)
+{
+	struct dentry_info *di = get_incfs_dentry(d);
+	struct mount_info *mi = get_mount_info(d->d_sb);
+	u8 **stored_value;
+	size_t *stored_size;
+	int i;
+
+	if (di && di->backing_path.dentry)
+		return vfs_setxattr(di->backing_path.dentry, name, value, size,
+				    flags);
+
+	if (strcmp(name, "security.selinux"))
+		return -ENODATA;
+
+	if (size > INCFS_MAX_FILE_ATTR_SIZE)
+		return -E2BIG;
+
+	for (i = 0; i < PSEUDO_FILE_COUNT; ++i)
+		if (!strcmp(d->d_iname, incfs_pseudo_file_names[i].data))
+			break;
+	if (i == PSEUDO_FILE_COUNT)
+		return -ENODATA;
+
+	stored_value = &mi->pseudo_file_xattr[i].data;
+	stored_size = &mi->pseudo_file_xattr[i].len;
+	kfree (*stored_value);
+	*stored_value = kzalloc(size, GFP_NOFS);
+	if (!*stored_value)
+		return -ENOMEM;
+
+	memcpy(*stored_value, value, size);
+	*stored_size = size;
+	return 0;
+}
+
+static ssize_t incfs_listxattr(struct dentry *d, char *list, size_t size)
+{
+	struct dentry_info *di = get_incfs_dentry(d);
+
+	if (!di || !di->backing_path.dentry)
+		return -ENODATA;
+
+	return vfs_listxattr(di->backing_path.dentry, list, size);
+}
+
+struct dentry *incfs_mount_fs(struct file_system_type *type, int flags,
+			      const char *dev_name, void *data)
+{
+	struct mount_options options = {};
+	struct mount_info *mi = NULL;
+	struct path backing_dir_path = {};
+	struct dentry *index_dir = NULL;
+	struct dentry *incomplete_dir = NULL;
+	struct super_block *src_fs_sb = NULL;
+	struct inode *root_inode = NULL;
+	struct super_block *sb = sget(type, NULL, set_anon_super, flags, NULL);
+	bool dir_created = false;
+	int error = 0;
+
+	if (IS_ERR(sb))
+		return ERR_CAST(sb);
+
+	sb->s_op = &incfs_super_ops;
+	sb->s_d_op = &incfs_dentry_ops;
+	sb->s_flags |= S_NOATIME;
+	sb->s_magic = INCFS_MAGIC_NUMBER;
+	sb->s_time_gran = 1;
+	sb->s_blocksize = INCFS_DATA_FILE_BLOCK_SIZE;
+	sb->s_blocksize_bits = blksize_bits(sb->s_blocksize);
+	sb->s_xattr = incfs_xattr_ops;
+
+	BUILD_BUG_ON(PAGE_SIZE != INCFS_DATA_FILE_BLOCK_SIZE);
+
+	if (!dev_name) {
+		pr_err("incfs: Backing dir is not set, filesystem can't be mounted.\n");
+		error = -ENOENT;
+		goto err_deactivate;
+	}
+
+	error = parse_options(&options, (char *)data);
+	if (error != 0) {
+		pr_err("incfs: Options parsing error. %d\n", error);
+		goto err_deactivate;
+	}
+
+	sb->s_bdi->ra_pages = options.readahead_pages;
+	if (!dev_name) {
+		pr_err("incfs: Backing dir is not set, filesystem can't be mounted.\n");
+		error = -ENOENT;
+		goto err_free_opts;
+	}
+
+	error = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY,
+			&backing_dir_path);
+	if (error || backing_dir_path.dentry == NULL ||
+		!d_really_is_positive(backing_dir_path.dentry)) {
+		pr_err("incfs: Error accessing: %s.\n",
+			dev_name);
+		goto err_free_opts;
+	}
+	src_fs_sb = backing_dir_path.dentry->d_sb;
+	sb->s_maxbytes = src_fs_sb->s_maxbytes;
+	sb->s_stack_depth = src_fs_sb->s_stack_depth + 1;
+
+	if (sb->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) {
+		error = -EINVAL;
+		goto err_put_path;
+	}
+
+	mi = incfs_alloc_mount_info(sb, &options, &backing_dir_path);
+	if (IS_ERR_OR_NULL(mi)) {
+		error = PTR_ERR(mi);
+		pr_err("incfs: Error allocating mount info. %d\n", error);
+		goto err_put_path;
+	}
+
+	sb->s_fs_info = mi;
+	mi->mi_backing_dir_path = backing_dir_path;
+	index_dir = open_or_create_special_dir(backing_dir_path.dentry,
+					       INCFS_INDEX_NAME, &dir_created);
+	if (IS_ERR_OR_NULL(index_dir)) {
+		error = PTR_ERR(index_dir);
+		pr_err("incfs: Can't find or create .index dir in %s\n",
+			dev_name);
+		/* No need to null index_dir since we don't put it */
+		goto err_put_path;
+	}
+
+	mi->mi_index_dir = index_dir;
+	mi->mi_index_free = dir_created;
+
+	incomplete_dir = open_or_create_special_dir(backing_dir_path.dentry,
+						    INCFS_INCOMPLETE_NAME,
+						    &dir_created);
+	if (IS_ERR_OR_NULL(incomplete_dir)) {
+		error = PTR_ERR(incomplete_dir);
+		pr_err("incfs: Can't find or create .incomplete dir in %s\n",
+			dev_name);
+		/* No need to null incomplete_dir since we don't put it */
+		goto err_put_path;
+	}
+	mi->mi_incomplete_dir = incomplete_dir;
+	mi->mi_incomplete_free = dir_created;
+
+	root_inode = fetch_regular_inode(sb, backing_dir_path.dentry);
+	if (IS_ERR(root_inode)) {
+		error = PTR_ERR(root_inode);
+		goto err_put_path;
+	}
+
+	sb->s_root = d_make_root(root_inode);
+	if (!sb->s_root) {
+		error = -ENOMEM;
+		goto err_put_path;
+	}
+	error = incfs_init_dentry(sb->s_root, &backing_dir_path);
+	if (error)
+		goto err_put_path;
+
+	mi->mi_backing_dir_path = backing_dir_path;
+	sb->s_flags |= SB_ACTIVE;
+
+	pr_debug("incfs: mount\n");
+	free_options(&options);
+	return dget(sb->s_root);
+
+err_put_path:
+	path_put(&backing_dir_path);
+err_free_opts:
+	free_options(&options);
+err_deactivate:
+	deactivate_locked_super(sb);
+	pr_err("incfs: mount failed %d\n", error);
+	return ERR_PTR(error);
+}
+
+static int incfs_remount_fs(struct super_block *sb, int *flags, char *data)
+{
+	struct mount_options options;
+	struct mount_info *mi = get_mount_info(sb);
+	int err = 0;
+
+	sync_filesystem(sb);
+	err = parse_options(&options, (char *)data);
+	if (err)
+		return err;
+
+	if (options.report_uid != mi->mi_options.report_uid) {
+		pr_err("incfs: Can't change report_uid mount option on remount\n");
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	err = incfs_realloc_mount_info(mi, &options);
+	if (err)
+		goto out;
+
+	pr_debug("incfs: remount\n");
+
+out:
+	free_options(&options);
+	return err;
+}
+
+void incfs_kill_sb(struct super_block *sb)
+{
+	struct mount_info *mi = sb->s_fs_info;
+	struct inode *dinode = NULL;
+
+	pr_debug("incfs: unmount\n");
+
+	/*
+	 * We must kill the super before freeing mi, since killing the super
+	 * triggers inode eviction, which triggers the final update of the
+	 * backing file, which uses certain information for mi
+	 */
+	kill_anon_super(sb);
+
+	if (mi) {
+		if (mi->mi_backing_dir_path.dentry)
+			dinode = d_inode(mi->mi_backing_dir_path.dentry);
+
+		if (dinode) {
+			if (mi->mi_index_dir && mi->mi_index_free)
+				vfs_rmdir(dinode, mi->mi_index_dir);
+
+			if (mi->mi_incomplete_dir && mi->mi_incomplete_free)
+				vfs_rmdir(dinode, mi->mi_incomplete_dir);
+		}
+
+		incfs_free_mount_info(mi);
+		sb->s_fs_info = NULL;
+	}
+}
+
+static int show_options(struct seq_file *m, struct dentry *root)
+{
+	struct mount_info *mi = get_mount_info(root->d_sb);
+
+	seq_printf(m, ",read_timeout_ms=%u", mi->mi_options.read_timeout_ms);
+	seq_printf(m, ",readahead=%u", mi->mi_options.readahead_pages);
+	if (mi->mi_options.read_log_pages != 0) {
+		seq_printf(m, ",rlog_pages=%u", mi->mi_options.read_log_pages);
+		seq_printf(m, ",rlog_wakeup_cnt=%u",
+			   mi->mi_options.read_log_wakeup_count);
+	}
+	if (mi->mi_options.report_uid)
+		seq_puts(m, ",report_uid");
+
+	if (mi->mi_sysfs_node)
+		seq_printf(m, ",sysfs_name=%s",
+			   kobject_name(&mi->mi_sysfs_node->isn_sysfs_node));
+	return 0;
+}
diff --git a/fs/incfs/vfs.h b/fs/incfs/vfs.h
new file mode 100644
index 0000000..79fdf24
--- /dev/null
+++ b/fs/incfs/vfs.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2018 Google LLC
+ */
+
+#ifndef _INCFS_VFS_H
+#define _INCFS_VFS_H
+
+extern const struct file_operations incfs_file_ops;
+extern const struct inode_operations incfs_file_inode_ops;
+
+void incfs_kill_sb(struct super_block *sb);
+struct dentry *incfs_mount_fs(struct file_system_type *type, int flags,
+			      const char *dev_name, void *data);
+int incfs_link(struct dentry *what, struct dentry *where);
+int incfs_unlink(struct dentry *dentry);
+
+static inline struct mount_info *get_mount_info(struct super_block *sb)
+{
+	struct mount_info *result = sb->s_fs_info;
+
+	WARN_ON(!result);
+	return result;
+}
+
+static inline struct super_block *file_superblock(struct file *f)
+{
+	struct inode *inode = file_inode(f);
+
+	return inode->i_sb;
+}
+
+#endif
diff --git a/fs/inode.c b/fs/inode.c
index 5c7139a..ca0dbce 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -306,7 +306,7 @@
 	if (!inode->i_nlink)
 		atomic_long_inc(&inode->i_sb->s_remove_count);
 }
-EXPORT_SYMBOL(drop_nlink);
+EXPORT_SYMBOL_NS(drop_nlink, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * clear_nlink - directly zero an inode's link count
@@ -345,7 +345,7 @@
 		inode->__i_nlink = nlink;
 	}
 }
-EXPORT_SYMBOL(set_nlink);
+EXPORT_SYMBOL_NS(set_nlink, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * inc_nlink - directly increment an inode's link count
@@ -398,7 +398,7 @@
 	__address_space_init_once(&inode->i_data);
 	i_size_ordered_init(inode);
 }
-EXPORT_SYMBOL(inode_init_once);
+EXPORT_SYMBOL_NS(inode_init_once, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static void init_once(void *foo)
 {
@@ -422,7 +422,7 @@
 {
 	WARN_ON(atomic_inc_return(&inode->i_count) < 2);
 }
-EXPORT_SYMBOL(ihold);
+EXPORT_SYMBOL_NS(ihold, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static void inode_lru_list_add(struct inode *inode)
 {
@@ -502,7 +502,7 @@
 	spin_unlock(&inode->i_lock);
 	spin_unlock(&inode_hash_lock);
 }
-EXPORT_SYMBOL(__insert_inode_hash);
+EXPORT_SYMBOL_NS(__insert_inode_hash, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  *	__remove_inode_hash - remove an inode from the hash
@@ -518,7 +518,7 @@
 	spin_unlock(&inode->i_lock);
 	spin_unlock(&inode_hash_lock);
 }
-EXPORT_SYMBOL(__remove_inode_hash);
+EXPORT_SYMBOL_NS(__remove_inode_hash, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 void clear_inode(struct inode *inode)
 {
@@ -538,7 +538,7 @@
 	/* don't need i_lock here, no concurrent mods to i_state */
 	inode->i_state = I_FREEING | I_CLEAR;
 }
-EXPORT_SYMBOL(clear_inode);
+EXPORT_SYMBOL_NS(clear_inode, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Free the inode passed in, removing it from the lists it is still connected
@@ -1000,7 +1000,7 @@
 	wake_up_bit(&inode->i_state, __I_NEW);
 	spin_unlock(&inode->i_lock);
 }
-EXPORT_SYMBOL(unlock_new_inode);
+EXPORT_SYMBOL_NS(unlock_new_inode, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 void discard_new_inode(struct inode *inode)
 {
@@ -1199,7 +1199,7 @@
 	}
 	return inode;
 }
-EXPORT_SYMBOL(iget5_locked);
+EXPORT_SYMBOL_NS(iget5_locked, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * iget_locked - obtain an inode from a mounted file system
@@ -1331,7 +1331,7 @@
 
 	return res;
 }
-EXPORT_SYMBOL(iunique);
+EXPORT_SYMBOL_NS(iunique, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 struct inode *igrab(struct inode *inode)
 {
@@ -1414,7 +1414,7 @@
 	}
 	return inode;
 }
-EXPORT_SYMBOL(ilookup5);
+EXPORT_SYMBOL_NS(ilookup5, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * ilookup - search for an inode in the inode cache
@@ -1894,7 +1894,7 @@
 skip_update:
 	sb_end_write(inode->i_sb);
 }
-EXPORT_SYMBOL(touch_atime);
+EXPORT_SYMBOL_NS(touch_atime, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Return mask of changes for notify_change() that need to be done as a
@@ -1961,7 +1961,7 @@
 
 	return error;
 }
-EXPORT_SYMBOL(file_remove_privs);
+EXPORT_SYMBOL_NS(file_remove_privs, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  *	file_update_time	-	update mtime and ctime time
@@ -2142,7 +2142,7 @@
 				  " inode %s:%lu\n", mode, inode->i_sb->s_id,
 				  inode->i_ino);
 }
-EXPORT_SYMBOL(init_special_inode);
+EXPORT_SYMBOL_NS(init_special_inode, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * inode_init_owner - Init uid,gid,mode for new inode according to posix standards
@@ -2164,7 +2164,7 @@
 		inode->i_gid = current_fsgid();
 	inode->i_mode = mode;
 }
-EXPORT_SYMBOL(inode_init_owner);
+EXPORT_SYMBOL_NS(inode_init_owner, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * inode_owner_or_capable - check current task permissions to inode
@@ -2218,7 +2218,7 @@
 	if (atomic_read(&inode->i_dio_count))
 		__inode_dio_wait(inode);
 }
-EXPORT_SYMBOL(inode_dio_wait);
+EXPORT_SYMBOL_NS(inode_dio_wait, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * inode_set_flags - atomically set some inode flags
@@ -2242,7 +2242,7 @@
 	WARN_ON_ONCE(flags & ~mask);
 	set_mask_bits(&inode->i_flags, mask, flags);
 }
-EXPORT_SYMBOL(inode_set_flags);
+EXPORT_SYMBOL_NS(inode_set_flags, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 void inode_nohighmem(struct inode *inode)
 {
@@ -2279,7 +2279,7 @@
 		WARN(1, "invalid file time granularity: %u", gran);
 	return t;
 }
-EXPORT_SYMBOL(timestamp_truncate);
+EXPORT_SYMBOL_NS(timestamp_truncate, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * current_time - Return FS time
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 7bcc600..ac3b386 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -146,7 +146,7 @@
 		return 1;
 	return (flags & FIEMAP_EXTENT_LAST) ? 1 : 0;
 }
-EXPORT_SYMBOL(fiemap_fill_next_extent);
+EXPORT_SYMBOL_NS(fiemap_fill_next_extent, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * fiemap_prep - check validity of requested flags for fiemap
@@ -191,7 +191,7 @@
 		ret = filemap_write_and_wait(inode->i_mapping);
 	return ret;
 }
-EXPORT_SYMBOL(fiemap_prep);
+EXPORT_SYMBOL_NS(fiemap_prep, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static int ioctl_fiemap(struct file *filp, struct fiemap __user *ufiemap)
 {
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 86297f5..5bb3c6e 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -205,24 +205,32 @@
 	struct readahead_control *rac;
 };
 
-static void
-iomap_read_inline_data(struct inode *inode, struct page *page,
+static int iomap_read_inline_data(struct inode *inode, struct page *page,
 		struct iomap *iomap)
 {
-	size_t size = i_size_read(inode);
+	size_t size = i_size_read(inode) - iomap->offset;
 	void *addr;
 
 	if (PageUptodate(page))
-		return;
+		return 0;
 
-	BUG_ON(page->index);
-	BUG_ON(size > PAGE_SIZE - offset_in_page(iomap->inline_data));
+	/* inline data must start page aligned in the file */
+	if (WARN_ON_ONCE(offset_in_page(iomap->offset)))
+		return -EIO;
+	if (WARN_ON_ONCE(size > PAGE_SIZE -
+			 offset_in_page(iomap->inline_data)))
+		return -EIO;
+	if (WARN_ON_ONCE(size > iomap->length))
+		return -EIO;
+	if (WARN_ON_ONCE(page_has_private(page)))
+		return -EIO;
 
 	addr = kmap_atomic(page);
 	memcpy(addr, iomap->inline_data, size);
 	memset(addr + size, 0, PAGE_SIZE - size);
 	kunmap_atomic(addr);
 	SetPageUptodate(page);
+	return 0;
 }
 
 static inline bool iomap_block_needs_zeroing(struct inode *inode,
@@ -239,19 +247,22 @@
 {
 	struct iomap_readpage_ctx *ctx = data;
 	struct page *page = ctx->cur_page;
-	struct iomap_page *iop = iomap_page_create(inode, page);
+	struct iomap_page *iop;
 	bool same_page = false, is_contig = false;
 	loff_t orig_pos = pos;
 	unsigned poff, plen;
 	sector_t sector;
 
 	if (iomap->type == IOMAP_INLINE) {
-		WARN_ON_ONCE(pos);
-		iomap_read_inline_data(inode, page, iomap);
+		int ret = iomap_read_inline_data(inode, page, iomap);
+
+		if (ret)
+			return ret;
 		return PAGE_SIZE;
 	}
 
 	/* zero post-eof blocks as the page may be mapped */
+	iop = iomap_page_create(inode, page);
 	iomap_adjust_read_range(inode, iop, &pos, length, &poff, &plen);
 	if (plen == 0)
 		goto done;
@@ -278,14 +289,14 @@
 	if (!is_contig || bio_full(ctx->bio, plen)) {
 		gfp_t gfp = mapping_gfp_constraint(page->mapping, GFP_KERNEL);
 		gfp_t orig_gfp = gfp;
-		int nr_vecs = (length + PAGE_SIZE - 1) >> PAGE_SHIFT;
+		unsigned int nr_vecs = DIV_ROUND_UP(length, PAGE_SIZE);
 
 		if (ctx->bio)
 			submit_bio(ctx->bio);
 
 		if (ctx->rac) /* same as readahead_gfp_mask */
 			gfp |= __GFP_NORETRY | __GFP_NOWARN;
-		ctx->bio = bio_alloc(gfp, min(BIO_MAX_PAGES, nr_vecs));
+		ctx->bio = bio_alloc(gfp, bio_max_segs(nr_vecs));
 		/*
 		 * If the bio_alloc fails, try it again for a single page to
 		 * avoid having to deal with partial page reads.  This emulates
@@ -588,6 +599,15 @@
 	return 0;
 }
 
+static int iomap_write_begin_inline(struct inode *inode,
+		struct page *page, struct iomap *srcmap)
+{
+	/* needs more work for the tailpacking case; disable for now */
+	if (WARN_ON_ONCE(srcmap->offset != 0))
+		return -EIO;
+	return iomap_read_inline_data(inode, page, srcmap);
+}
+
 static int
 iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, unsigned flags,
 		struct page **pagep, struct iomap *iomap, struct iomap *srcmap)
@@ -617,7 +637,7 @@
 	}
 
 	if (srcmap->type == IOMAP_INLINE)
-		iomap_read_inline_data(inode, page, srcmap);
+		status = iomap_write_begin_inline(inode, page, srcmap);
 	else if (iomap->flags & IOMAP_F_BUFFER_HEAD)
 		status = __block_write_begin_int(page, pos, len, NULL, srcmap);
 	else
@@ -695,11 +715,11 @@
 	void *addr;
 
 	WARN_ON_ONCE(!PageUptodate(page));
-	BUG_ON(pos + copied > PAGE_SIZE - offset_in_page(iomap->inline_data));
+	BUG_ON(!iomap_inline_data_valid(iomap));
 
 	flush_dcache_page(page);
 	addr = kmap_atomic(page);
-	memcpy(iomap->inline_data + pos, addr + pos, copied);
+	memcpy(iomap_inline_data(iomap, pos), addr + pos, copied);
 	kunmap_atomic(addr);
 
 	mark_inode_dirty(inode);
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 933f234..fff29a3 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -6,6 +6,7 @@
 #include <linux/module.h>
 #include <linux/compiler.h>
 #include <linux/fs.h>
+#include <linux/fscrypt.h>
 #include <linux/iomap.h>
 #include <linux/backing-dev.h>
 #include <linux/uio.h>
@@ -185,11 +186,14 @@
 iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos,
 		unsigned len)
 {
+	struct inode *inode = file_inode(dio->iocb->ki_filp);
 	struct page *page = ZERO_PAGE(0);
 	int flags = REQ_SYNC | REQ_IDLE;
 	struct bio *bio;
 
 	bio = bio_alloc(GFP_KERNEL, 1);
+	fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,
+				  GFP_KERNEL);
 	bio_set_dev(bio, iomap->bdev);
 	bio->bi_iter.bi_sector = iomap_sector(iomap, pos);
 	bio->bi_private = dio;
@@ -272,6 +276,8 @@
 		}
 
 		bio = bio_alloc(GFP_KERNEL, nr_pages);
+		fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,
+					  GFP_KERNEL);
 		bio_set_dev(bio, iomap->bdev);
 		bio->bi_iter.bi_sector = iomap_sector(iomap, pos);
 		bio->bi_write_hint = dio->iocb->ki_hint;
@@ -348,23 +354,25 @@
 		struct iomap_dio *dio, struct iomap *iomap)
 {
 	struct iov_iter *iter = dio->submit.iter;
+	void *inline_data = iomap_inline_data(iomap, pos);
 	size_t copied;
 
-	BUG_ON(pos + length > PAGE_SIZE - offset_in_page(iomap->inline_data));
+	if (WARN_ON_ONCE(!iomap_inline_data_valid(iomap)))
+		return -EIO;
 
 	if (dio->flags & IOMAP_DIO_WRITE) {
 		loff_t size = inode->i_size;
 
 		if (pos > size)
-			memset(iomap->inline_data + size, 0, pos - size);
-		copied = copy_from_iter(iomap->inline_data + pos, length, iter);
+			memset(iomap_inline_data(iomap, size), 0, pos - size);
+		copied = copy_from_iter(inline_data, length, iter);
 		if (copied) {
 			if (pos + copied > size)
 				i_size_write(inode, pos + copied);
 			mark_inode_dirty(inode);
 		}
 	} else {
-		copied = copy_to_iter(iomap->inline_data + pos, length, iter);
+		copied = copy_to_iter(inline_data, length, iter);
 	}
 	dio->size += copied;
 	return copied;
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index f62b5a5..ecbc8ef 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -1612,3 +1612,4 @@
 module_init(init_iso9660_fs)
 module_exit(exit_iso9660_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/jbd2/Makefile b/fs/jbd2/Makefile
index 126b4da..b64f933 100644
--- a/fs/jbd2/Makefile
+++ b/fs/jbd2/Makefile
@@ -3,6 +3,8 @@
 # Makefile for the linux journaling routines.
 #
 
+ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=ANDROID_GKI_VFS_EXPORT_ONLY
+
 obj-$(CONFIG_JBD2) += jbd2.o
 
 jbd2-objs := transaction.o commit.o recovery.o checkpoint.o revoke.o journal.o
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index effd837..7a99c0a 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -3024,6 +3024,7 @@
 }
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 module_init(journal_init);
 module_exit(journal_exit);
 
diff --git a/fs/jffs2/security.c b/fs/jffs2/security.c
index c2332e3..e6f42fe4 100644
--- a/fs/jffs2/security.c
+++ b/fs/jffs2/security.c
@@ -50,7 +50,8 @@
 /* ---- XATTR Handler for "security.*" ----------------- */
 static int jffs2_security_getxattr(const struct xattr_handler *handler,
 				   struct dentry *unused, struct inode *inode,
-				   const char *name, void *buffer, size_t size)
+				   const char *name, void *buffer, size_t size,
+				   int flags)
 {
 	return do_jffs2_getxattr(inode, JFFS2_XPREFIX_SECURITY,
 				 name, buffer, size);
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 81ca58c..16dcc35 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -439,3 +439,4 @@
 MODULE_AUTHOR("Red Hat, Inc.");
 MODULE_LICENSE("GPL"); // Actually dual-licensed, but it doesn't matter for
 		       // the sake of this tag. It's Free Software.
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/jffs2/xattr_trusted.c b/fs/jffs2/xattr_trusted.c
index 5d60308..9dccaae 100644
--- a/fs/jffs2/xattr_trusted.c
+++ b/fs/jffs2/xattr_trusted.c
@@ -18,7 +18,8 @@
 
 static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
 				  struct dentry *unused, struct inode *inode,
-				  const char *name, void *buffer, size_t size)
+				  const char *name, void *buffer, size_t size,
+				  int flags)
 {
 	return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED,
 				 name, buffer, size);
diff --git a/fs/jffs2/xattr_user.c b/fs/jffs2/xattr_user.c
index 9d027b4..c0983a3 100644
--- a/fs/jffs2/xattr_user.c
+++ b/fs/jffs2/xattr_user.c
@@ -18,7 +18,8 @@
 
 static int jffs2_user_getxattr(const struct xattr_handler *handler,
 			       struct dentry *unused, struct inode *inode,
-			       const char *name, void *buffer, size_t size)
+			       const char *name, void *buffer, size_t size,
+			       int flags)
 {
 	return do_jffs2_getxattr(inode, JFFS2_XPREFIX_USER,
 				 name, buffer, size);
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index b2dc4d1..8a02b9b 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -37,6 +37,7 @@
 MODULE_DESCRIPTION("The Journaled Filesystem (JFS)");
 MODULE_AUTHOR("Steve Best/Dave Kleikamp/Barry Arndt, IBM");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static struct kmem_cache *jfs_inode_cachep;
 
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index db41e78..5c79a35 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -925,7 +925,7 @@
 
 static int jfs_xattr_get(const struct xattr_handler *handler,
 			 struct dentry *unused, struct inode *inode,
-			 const char *name, void *value, size_t size)
+			 const char *name, void *value, size_t size, int flags)
 {
 	name = xattr_full_name(handler, name);
 	return __jfs_getxattr(inode, name, value, size);
@@ -942,7 +942,8 @@
 
 static int jfs_xattr_get_os2(const struct xattr_handler *handler,
 			     struct dentry *unused, struct inode *inode,
-			     const char *name, void *value, size_t size)
+			     const char *name, void *value, size_t size,
+			     int flags)
 {
 	if (is_known_namespace(name))
 		return -EOPNOTSUPP;
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index fc2469a..1c9e4ec 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -310,7 +310,8 @@
 
 static int kernfs_vfs_xattr_get(const struct xattr_handler *handler,
 				struct dentry *unused, struct inode *inode,
-				const char *suffix, void *value, size_t size)
+				const char *suffix, void *value, size_t size,
+				int flags)
 {
 	const char *name = xattr_full_name(handler, suffix);
 	struct kernfs_node *kn = inode->i_private;
diff --git a/fs/libfs.c b/fs/libfs.c
index aa0fbd7..3584577 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -225,7 +225,7 @@
 {
 	return -EISDIR;
 }
-EXPORT_SYMBOL(generic_read_dir);
+EXPORT_SYMBOL_NS(generic_read_dir, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 const struct file_operations simple_dir_operations = {
 	.open		= dcache_dir_open,
@@ -1230,11 +1230,6 @@
 	return 0;
 };
 
-/*
- * A single inode exists for all anon_inode files. Contrary to pipes,
- * anon_inode inodes have no associated per-instance data, so we need
- * only allocate one of them.
- */
 struct inode *alloc_anon_inode(struct super_block *s)
 {
 	static const struct address_space_operations anon_aops = {
@@ -1404,8 +1399,8 @@
  *
  * Return: 0 if names match, 1 if mismatch, or -ERRNO
  */
-int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
-			  const char *str, const struct qstr *name)
+static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
+				const char *str, const struct qstr *name)
 {
 	const struct dentry *parent = READ_ONCE(dentry->d_parent);
 	const struct inode *dir = READ_ONCE(parent->d_inode);
@@ -1442,7 +1437,6 @@
 		return 1;
 	return !!memcmp(str, name->name, len);
 }
-EXPORT_SYMBOL(generic_ci_d_compare);
 
 /**
  * generic_ci_d_hash - generic d_hash implementation for casefolding filesystems
@@ -1451,7 +1445,7 @@
  *
  * Return: 0 if hash was successful or unchanged, and -EINVAL on error
  */
-int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
+static int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
 {
 	const struct inode *dir = READ_ONCE(dentry->d_inode);
 	struct super_block *sb = dentry->d_sb;
@@ -1466,5 +1460,74 @@
 		return -EINVAL;
 	return 0;
 }
-EXPORT_SYMBOL(generic_ci_d_hash);
+
+static const struct dentry_operations generic_ci_dentry_ops = {
+	.d_hash = generic_ci_d_hash,
+	.d_compare = generic_ci_d_compare,
+};
 #endif
+
+#ifdef CONFIG_FS_ENCRYPTION
+static const struct dentry_operations generic_encrypted_dentry_ops = {
+	.d_revalidate = fscrypt_d_revalidate,
+};
+#endif
+
+#if defined(CONFIG_FS_ENCRYPTION) && defined(CONFIG_UNICODE)
+static const struct dentry_operations generic_encrypted_ci_dentry_ops = {
+	.d_hash = generic_ci_d_hash,
+	.d_compare = generic_ci_d_compare,
+	.d_revalidate = fscrypt_d_revalidate,
+};
+#endif
+
+/**
+ * generic_set_encrypted_ci_d_ops - helper for setting d_ops for given dentry
+ * @dentry:	dentry to set ops on
+ *
+ * Casefolded directories need d_hash and d_compare set, so that the dentries
+ * contained in them are handled case-insensitively.  Note that these operations
+ * are needed on the parent directory rather than on the dentries in it, and
+ * while the casefolding flag can be toggled on and off on an empty directory,
+ * dentry_operations can't be changed later.  As a result, if the filesystem has
+ * casefolding support enabled at all, we have to give all dentries the
+ * casefolding operations even if their inode doesn't have the casefolding flag
+ * currently (and thus the casefolding ops would be no-ops for now).
+ *
+ * Encryption works differently in that the only dentry operation it needs is
+ * d_revalidate, which it only needs on dentries that have the no-key name flag.
+ * The no-key flag can't be set "later", so we don't have to worry about that.
+ *
+ * Finally, to maximize compatibility with overlayfs (which isn't compatible
+ * with certain dentry operations) and to avoid taking an unnecessary
+ * performance hit, we use custom dentry_operations for each possible
+ * combination rather than always installing all operations.
+ */
+void generic_set_encrypted_ci_d_ops(struct dentry *dentry)
+{
+#ifdef CONFIG_FS_ENCRYPTION
+	bool needs_encrypt_ops = dentry->d_flags & DCACHE_NOKEY_NAME;
+#endif
+#ifdef CONFIG_UNICODE
+	bool needs_ci_ops = dentry->d_sb->s_encoding;
+#endif
+#if defined(CONFIG_FS_ENCRYPTION) && defined(CONFIG_UNICODE)
+	if (needs_encrypt_ops && needs_ci_ops) {
+		d_set_d_op(dentry, &generic_encrypted_ci_dentry_ops);
+		return;
+	}
+#endif
+#ifdef CONFIG_FS_ENCRYPTION
+	if (needs_encrypt_ops) {
+		d_set_d_op(dentry, &generic_encrypted_dentry_ops);
+		return;
+	}
+#endif
+#ifdef CONFIG_UNICODE
+	if (needs_ci_ops) {
+		d_set_d_op(dentry, &generic_ci_dentry_ops);
+		return;
+	}
+#endif
+}
+EXPORT_SYMBOL(generic_set_encrypted_ci_d_ops);
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index e938f5b..09222ef 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -720,4 +720,5 @@
 module_init(init_minix_fs)
 module_exit(exit_minix_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
diff --git a/fs/mpage.c b/fs/mpage.c
index 830e6cc..55d2bfa 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -32,6 +32,14 @@
 #include <linux/cleancache.h>
 #include "internal.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/android_fs.h>
+
+EXPORT_TRACEPOINT_SYMBOL(android_fs_datawrite_start);
+EXPORT_TRACEPOINT_SYMBOL(android_fs_datawrite_end);
+EXPORT_TRACEPOINT_SYMBOL(android_fs_dataread_start);
+EXPORT_TRACEPOINT_SYMBOL(android_fs_dataread_end);
+
 /*
  * I/O completion handler for multipage BIOs.
  *
@@ -49,6 +57,16 @@
 	struct bio_vec *bv;
 	struct bvec_iter_all iter_all;
 
+	if (trace_android_fs_dataread_end_enabled() &&
+	    (bio_data_dir(bio) == READ)) {
+		struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+		if (first_page != NULL)
+			trace_android_fs_dataread_end(first_page->mapping->host,
+						      page_offset(first_page),
+						      bio->bi_iter.bi_size);
+	}
+
 	bio_for_each_segment_all(bv, bio, iter_all) {
 		struct page *page = bv->bv_page;
 		page_endio(page, bio_op(bio),
@@ -60,6 +78,24 @@
 
 static struct bio *mpage_bio_submit(int op, int op_flags, struct bio *bio)
 {
+	if (trace_android_fs_dataread_start_enabled() && (op == REQ_OP_READ)) {
+		struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+		if (first_page != NULL) {
+			char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+			path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    first_page->mapping->host);
+			trace_android_fs_dataread_start(
+				first_page->mapping->host,
+				page_offset(first_page),
+				bio->bi_iter.bi_size,
+				current->pid,
+				path,
+				current->comm);
+		}
+	}
 	bio->bi_end_io = mpage_end_io;
 	bio_set_op_attrs(bio, op, op_flags);
 	guard_bio_eod(bio);
@@ -304,9 +340,7 @@
 				goto out;
 		}
 		args->bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),
-					min_t(int, args->nr_pages,
-					      BIO_MAX_PAGES),
-					gfp);
+					bio_max_segs(args->nr_pages), gfp);
 		if (args->bio == NULL)
 			goto confused;
 	}
@@ -394,7 +428,7 @@
 	if (args.bio)
 		mpage_bio_submit(REQ_OP_READ, REQ_RAHEAD, args.bio);
 }
-EXPORT_SYMBOL(mpage_readahead);
+EXPORT_SYMBOL_NS(mpage_readahead, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * This isn't called much at all
@@ -412,7 +446,7 @@
 		mpage_bio_submit(REQ_OP_READ, 0, args.bio);
 	return 0;
 }
-EXPORT_SYMBOL(mpage_readpage);
+EXPORT_SYMBOL_NS(mpage_readpage, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Writing is not so simple.
diff --git a/fs/namei.c b/fs/namei.c
index 3ff954a..be7dd97 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -43,6 +43,9 @@
 #include "internal.h"
 #include "mount.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/namei.h>
+
 /* [Feb-1997 T. Schoebel-Theuer]
  * Fundamental changes in the pathname lookup mechanisms (namei)
  * were necessary because of omirr.  The reason is that omirr needs
@@ -779,6 +782,81 @@
 		return 1;
 }
 
+#define INIT_PATH_SIZE 64
+
+static void success_walk_trace(struct nameidata *nd)
+{
+	struct path *pt = &nd->path;
+	struct inode *i = nd->inode;
+	char buf[INIT_PATH_SIZE], *try_buf;
+	int cur_path_size;
+	char *p;
+
+	/* When eBPF/ tracepoint is disabled, keep overhead low. */
+	if (!trace_inodepath_enabled())
+		return;
+
+	/* First try stack allocated buffer. */
+	try_buf = buf;
+	cur_path_size = INIT_PATH_SIZE;
+
+	while (cur_path_size <= PATH_MAX) {
+		/* Free previous heap allocation if we are now trying
+		 * a second or later heap allocation.
+		 */
+		if (try_buf != buf)
+			kfree(try_buf);
+
+		/* All but the first alloc are on the heap. */
+		if (cur_path_size != INIT_PATH_SIZE) {
+			try_buf = kmalloc(cur_path_size, GFP_KERNEL);
+			if (!try_buf) {
+				try_buf = buf;
+				sprintf(try_buf, "error:buf_alloc_failed");
+				break;
+			}
+		}
+
+		p = d_path(pt, try_buf, cur_path_size);
+
+		if (!IS_ERR(p)) {
+			char *end = mangle_path(try_buf, p, "\n");
+
+			if (end) {
+				try_buf[end - try_buf] = 0;
+				break;
+			} else {
+				/* On mangle errors, double path size
+				 * till PATH_MAX.
+				 */
+				cur_path_size = cur_path_size << 1;
+				continue;
+			}
+		}
+
+		if (PTR_ERR(p) == -ENAMETOOLONG) {
+			/* If d_path complains that name is too long,
+			 * then double path size till PATH_MAX.
+			 */
+			cur_path_size = cur_path_size << 1;
+			continue;
+		}
+
+		sprintf(try_buf, "error:d_path_failed_%lu",
+			-1 * PTR_ERR(p));
+		break;
+	}
+
+	if (cur_path_size > PATH_MAX)
+		sprintf(try_buf, "error:d_path_name_too_long");
+
+	trace_inodepath(i, try_buf);
+
+	if (try_buf != buf)
+		kfree(try_buf);
+	return;
+}
+
 /**
  * complete_walk - successful completion of path walk
  * @nd:  pointer nameidata
@@ -827,15 +905,21 @@
 			return -EXDEV;
 	}
 
-	if (likely(!(nd->flags & LOOKUP_JUMPED)))
+	if (likely(!(nd->flags & LOOKUP_JUMPED))) {
+		success_walk_trace(nd);
 		return 0;
+	}
 
-	if (likely(!(dentry->d_flags & DCACHE_OP_WEAK_REVALIDATE)))
+	if (likely(!(dentry->d_flags & DCACHE_OP_WEAK_REVALIDATE))) {
+		success_walk_trace(nd);
 		return 0;
+	}
 
 	status = dentry->d_op->d_weak_revalidate(dentry, nd->flags);
-	if (status > 0)
+	if (status > 0) {
+		success_walk_trace(nd);
 		return 0;
+	}
 
 	if (!status)
 		status = -ESTALE;
@@ -2463,7 +2547,7 @@
 	return filename_lookup(AT_FDCWD, getname_kernel(name),
 			       flags, path, NULL);
 }
-EXPORT_SYMBOL(kern_path);
+EXPORT_SYMBOL_NS(kern_path, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * vfs_path_lookup - lookup a file path relative to a dentry-vfsmount pair
@@ -2874,7 +2958,7 @@
 		fsnotify_create(dir, dentry);
 	return error;
 }
-EXPORT_SYMBOL(vfs_create);
+EXPORT_SYMBOL_NS(vfs_create, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 int vfs_mkobj(struct dentry *dentry, umode_t mode,
 		int (*f)(struct dentry *, umode_t, void *),
@@ -3714,7 +3798,7 @@
 		fsnotify_mkdir(dir, dentry);
 	return error;
 }
-EXPORT_SYMBOL(vfs_mkdir);
+EXPORT_SYMBOL_NS(vfs_mkdir, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static long do_mkdirat(int dfd, const char __user *pathname, umode_t mode)
 {
@@ -3787,7 +3871,7 @@
 		d_delete_notify(dir, dentry);
 	return error;
 }
-EXPORT_SYMBOL(vfs_rmdir);
+EXPORT_SYMBOL_NS(vfs_rmdir, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 long do_rmdir(int dfd, struct filename *name)
 {
@@ -3910,7 +3994,7 @@
 
 	return error;
 }
-EXPORT_SYMBOL(vfs_unlink);
+EXPORT_SYMBOL_NS(vfs_unlink, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Make sure that the actual truncation of the file will occur outside its
@@ -4145,7 +4229,7 @@
 		fsnotify_link(dir, inode, new_dentry);
 	return error;
 }
-EXPORT_SYMBOL(vfs_link);
+EXPORT_SYMBOL_NS(vfs_link, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * Hardlinks are often used in delicate situations.  We avoid
@@ -4410,7 +4494,7 @@
 
 	return error;
 }
-EXPORT_SYMBOL(vfs_rename);
+EXPORT_SYMBOL_NS(vfs_rename, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 int do_renameat2(int olddfd, struct filename *from, int newdfd,
 		 struct filename *to, unsigned int flags)
diff --git a/fs/namespace.c b/fs/namespace.c
index b020a12..5d5a426 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -415,7 +415,7 @@
 		sb_end_write(file_inode(file)->i_sb);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(mnt_want_write_file);
+EXPORT_SYMBOL_NS_GPL(mnt_want_write_file, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * __mnt_drop_write - give up write access to a mount
@@ -457,7 +457,7 @@
 	__mnt_drop_write_file(file);
 	sb_end_write(file_inode(file)->i_sb);
 }
-EXPORT_SYMBOL(mnt_drop_write_file);
+EXPORT_SYMBOL_NS(mnt_drop_write_file, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static int mnt_make_readonly(struct mount *mnt)
 {
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index 73000aa..8b2804f 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -115,13 +115,13 @@
 	return NULL;
 }
 
-static struct bio *
-bl_alloc_init_bio(int npg, struct block_device *bdev, sector_t disk_sector,
+static struct bio *bl_alloc_init_bio(unsigned int npg,
+		struct block_device *bdev, sector_t disk_sector,
 		bio_end_io_t end_io, struct parallel_io *par)
 {
 	struct bio *bio;
 
-	npg = min(npg, BIO_MAX_PAGES);
+	npg = bio_max_segs(npg);
 	bio = bio_alloc(GFP_NOIO, npg);
 	if (!bio && (current->flags & PF_MEMALLOC)) {
 		while (!bio && (npg /= 2))
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 36f4152..9c57cfa 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -2340,6 +2340,7 @@
 /* Not quite true; I just maintain it */
 MODULE_AUTHOR("Olaf Kirch <okir@monad.swb.de>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 module_param(enable_ino64, bool, 0644);
 
 module_init(init_nfs_fs)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7c3c96e..47f24bc 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7564,7 +7564,8 @@
 
 static int nfs4_xattr_get_nfs4_acl(const struct xattr_handler *handler,
 				   struct dentry *unused, struct inode *inode,
-				   const char *key, void *buf, size_t buflen)
+				   const char *key, void *buf, size_t buflen,
+				   int flags)
 {
 	return nfs4_proc_get_acl(inode, buf, buflen);
 }
@@ -7589,7 +7590,8 @@
 
 static int nfs4_xattr_get_nfs4_label(const struct xattr_handler *handler,
 				     struct dentry *unused, struct inode *inode,
-				     const char *key, void *buf, size_t buflen)
+				     const char *key, void *buf, size_t buflen,
+				     int flags)
 {
 	if (security_ismaclabel(key))
 		return nfs4_get_security_label(inode, buf, buflen);
@@ -7666,7 +7668,8 @@
 
 static int nfs4_xattr_get_nfs4_user(const struct xattr_handler *handler,
 				    struct dentry *unused, struct inode *inode,
-				    const char *key, void *buf, size_t buflen)
+				    const char *key, void *buf, size_t buflen,
+				    int flags)
 {
 	u32 mask;
 	ssize_t ret;
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index d09bcfd..b422e8a 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -309,6 +309,7 @@
 }
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 module_init(init_nfs_v4);
 module_exit(exit_nfs_v4);
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index c4b1156..7c36634 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1574,5 +1574,6 @@
 
 MODULE_AUTHOR("Olaf Kirch <okir@monad.swb.de>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 module_init(init_nfsd)
 module_exit(exit_nfsd)
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 037456e..4a78cab 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -53,6 +53,7 @@
 MODULE_DESCRIPTION("A New Implementation of the Log-structured Filesystem "
 		   "(NILFS)");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static struct kmem_cache *nilfs_inode_cachep;
 struct kmem_cache *nilfs_transaction_cachep;
diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c
index a026dbd..06c368c 100644
--- a/fs/nls/nls_base.c
+++ b/fs/nls/nls_base.c
@@ -272,7 +272,7 @@
 	return -EINVAL;
 }
 
-static struct nls_table *find_nls(const char *charset)
+static struct nls_table *find_nls(char *charset)
 {
 	struct nls_table *nls;
 	spin_lock(&nls_lock);
@@ -288,7 +288,7 @@
 	return nls;
 }
 
-struct nls_table *load_nls(const char *charset)
+struct nls_table *load_nls(char *charset)
 {
 	return try_then_request_module(find_nls(charset), "nls_%s", charset);
 }
@@ -541,8 +541,8 @@
 }
 
 EXPORT_SYMBOL(unregister_nls);
-EXPORT_SYMBOL(unload_nls);
-EXPORT_SYMBOL(load_nls);
-EXPORT_SYMBOL(load_nls_default);
+EXPORT_SYMBOL_NS(unload_nls, ANDROID_GKI_VFS_EXPORT_ONLY);
+EXPORT_SYMBOL_NS(load_nls, ANDROID_GKI_VFS_EXPORT_ONLY);
+EXPORT_SYMBOL_NS(load_nls_default, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 MODULE_LICENSE("Dual BSD/GPL");
diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c
index 162b3f1..498b8a4 100644
--- a/fs/nls/nls_euc-jp.c
+++ b/fs/nls/nls_euc-jp.c
@@ -578,3 +578,4 @@
 module_exit(exit_nls_euc_jp)
 
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/nls/nls_koi8-ru.c b/fs/nls/nls_koi8-ru.c
index a80a741..99ceec9 100644
--- a/fs/nls/nls_koi8-ru.c
+++ b/fs/nls/nls_koi8-ru.c
@@ -80,3 +80,4 @@
 module_exit(exit_nls_koi8_ru)
 
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 32b6b97..a392e40 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -699,6 +699,8 @@
 	struct fsnotify_group *group;
 	struct inode *inode;
 	struct path path;
+	struct path alteredpath = {};
+	struct path *canonical_path = &path;
 	struct fd f;
 	int ret;
 	unsigned flags = 0;
@@ -745,13 +747,29 @@
 	if (ret)
 		goto fput_and_out;
 
+	/* support stacked filesystems */
+	if (path.dentry && path.dentry->d_op) {
+		if (path.dentry->d_op->d_canonical_path) {
+			path.dentry->d_op->d_canonical_path(&path,
+							    &alteredpath);
+			if (IS_ERR(alteredpath.dentry)) {
+				ret = PTR_ERR(alteredpath.dentry);
+				goto path_put_and_out;
+			}
+
+			canonical_path = &alteredpath;
+			path_put(&path);
+		}
+	}
+
 	/* inode held in place by reference to path; group by fget on fd */
-	inode = path.dentry->d_inode;
+	inode = canonical_path->dentry->d_inode;
 	group = f.file->private_data;
 
 	/* create/update an inode mark */
 	ret = inotify_update_watch(group, inode, mask);
-	path_put(&path);
+path_put_and_out:
+	path_put(canonical_path);
 fput_and_out:
 	fdput(f);
 	return ret;
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 7f69422..3ded933 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -3187,6 +3187,7 @@
 MODULE_DESCRIPTION("NTFS 1.2/3.x driver - Copyright (c) 2001-2014 Anton Altaparmakov and Tuxera Inc.");
 MODULE_VERSION(NTFS_VERSION);
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 #ifdef DEBUG
 module_param(debug_msgs, bint, 0);
 MODULE_PARM_DESC(debug_msgs, "Enable debug messages.");
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 583820e..5b3a868 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -615,6 +615,7 @@
 
 MODULE_AUTHOR("Oracle");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_DESCRIPTION("OCFS2 DLM-Filesystem");
 
 module_init(init_dlmfs_fs)
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index dc21d35..111ae7a 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -71,6 +71,7 @@
 
 MODULE_AUTHOR("Oracle");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_DESCRIPTION("OCFS2 cluster file system");
 
 struct mount_options
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 10df2e1..8b7df5e 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -7242,7 +7242,8 @@
  */
 static int ocfs2_xattr_security_get(const struct xattr_handler *handler,
 				    struct dentry *unused, struct inode *inode,
-				    const char *name, void *buffer, size_t size)
+				    const char *name, void *buffer, size_t size,
+				    int flags)
 {
 	return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_SECURITY,
 			       name, buffer, size);
@@ -7336,7 +7337,8 @@
  */
 static int ocfs2_xattr_trusted_get(const struct xattr_handler *handler,
 				   struct dentry *unused, struct inode *inode,
-				   const char *name, void *buffer, size_t size)
+				   const char *name, void *buffer, size_t size,
+				   int flags)
 {
 	return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED,
 			       name, buffer, size);
@@ -7362,7 +7364,8 @@
  */
 static int ocfs2_xattr_user_get(const struct xattr_handler *handler,
 				struct dentry *unused, struct inode *inode,
-				const char *name, void *buffer, size_t size)
+				const char *name, void *buffer, size_t size,
+				int flags)
 {
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index ce93ccc..27143a2 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -20,6 +20,7 @@
 MODULE_AUTHOR("Bob Copeland <me@bobcopeland.com>");
 MODULE_DESCRIPTION("OMFS (ReplayTV/Karma) Filesystem for Linux");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 struct buffer_head *omfs_bread(struct super_block *sb, sector_t block)
 {
diff --git a/fs/open.c b/fs/open.c
index 83f62cf..965230a 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -34,6 +34,7 @@
 #include <linux/compat.h>
 
 #include "internal.h"
+#include <trace/hooks/syscall_check.h>
 
 int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
 	struct file *filp)
@@ -800,6 +801,7 @@
 		error = -ENODEV;
 		goto cleanup_all;
 	}
+	trace_android_vh_check_file_open(f);
 
 	error = security_file_open(f);
 	if (error)
@@ -843,8 +845,17 @@
 	 * XXX: Huge page cache doesn't support writing yet. Drop all page
 	 * cache for this file before processing writes.
 	 */
-	if ((f->f_mode & FMODE_WRITE) && filemap_nr_thps(inode->i_mapping))
-		truncate_pagecache(inode, 0);
+	if (f->f_mode & FMODE_WRITE) {
+		/*
+		 * Paired with smp_mb() in collapse_file() to ensure nr_thps
+		 * is up to date and the update to i_writecount by
+		 * get_write_access() is visible. Ensures subsequent insertion
+		 * of THPs into the page cache will fail.
+		 */
+		smp_mb();
+		if (filemap_nr_thps(inode->i_mapping))
+			truncate_pagecache(inode, 0);
+	}
 
 	return 0;
 
@@ -1153,7 +1164,27 @@
 	}
 	return file;
 }
-EXPORT_SYMBOL(filp_open);
+EXPORT_SYMBOL_NS(filp_open, ANDROID_GKI_VFS_EXPORT_ONLY);
+
+/* ANDROID: Allow drivers to open only block files from kernel mode */
+struct file *filp_open_block(const char *filename, int flags, umode_t mode)
+{
+	struct file *file;
+
+	file = filp_open(filename, flags, mode);
+	if (IS_ERR(file))
+		goto err_out;
+
+	/* Drivers should only be allowed to open block devices */
+	if (!S_ISBLK(file->f_mapping->host->i_mode)) {
+		filp_close(file, NULL);
+		file = ERR_PTR(-ENOTBLK);
+	}
+
+err_out:
+	return file;
+}
+EXPORT_SYMBOL_GPL(filp_open_block);
 
 struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt,
 			    const char *filename, int flags, umode_t mode)
@@ -1365,7 +1396,7 @@
 	return 0;
 }
 
-EXPORT_SYMBOL(generic_file_open);
+EXPORT_SYMBOL_NS(generic_file_open, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /*
  * This is used by subsystems that don't want seekable
diff --git a/fs/orangefs/orangefs-mod.c b/fs/orangefs/orangefs-mod.c
index ac9c91b..968bf33 100644
--- a/fs/orangefs/orangefs-mod.c
+++ b/fs/orangefs/orangefs-mod.c
@@ -36,6 +36,7 @@
 int orangefs_getattr_timeout_msecs = 50;
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_AUTHOR("ORANGEFS Development Team");
 MODULE_DESCRIPTION("The Linux Kernel VFS interface to ORANGEFS");
 MODULE_PARM_DESC(module_parm_debug_mask, "debugging level (see orangefs-debug.h for values)");
diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c
index bdc285a..ef4180b 100644
--- a/fs/orangefs/xattr.c
+++ b/fs/orangefs/xattr.c
@@ -541,7 +541,8 @@
 				      struct inode *inode,
 				      const char *name,
 				      void *buffer,
-				      size_t size)
+				      size_t size,
+				      int flags)
 {
 	return orangefs_inode_getxattr(inode, name, buffer, size);
 
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 65ac504..52dc583 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -966,7 +966,7 @@
 		dput(parent);
 		dput(next);
 	}
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 
 	return err;
 }
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index a7021c8..82e8ab2 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -565,7 +565,7 @@
 			      struct ovl_cattr *attr, bool origin)
 {
 	int err;
-	const struct cred *old_cred;
+	const struct cred *old_cred, *hold_cred = NULL;
 	struct cred *override_cred;
 	struct dentry *parent = dentry->d_parent;
 
@@ -606,13 +606,14 @@
 		override_cred->fsuid = inode->i_uid;
 		override_cred->fsgid = inode->i_gid;
 		err = security_dentry_create_files_as(dentry,
-				attr->mode, &dentry->d_name, old_cred,
+				attr->mode, &dentry->d_name,
+				old_cred ? old_cred : current_cred(),
 				override_cred);
 		if (err) {
 			put_cred(override_cred);
 			goto out_revert_creds;
 		}
-		put_cred(override_creds(override_cred));
+		hold_cred = override_creds(override_cred);
 		put_cred(override_cred);
 	}
 
@@ -622,7 +623,9 @@
 		err = ovl_create_over_whiteout(dentry, inode, attr);
 
 out_revert_creds:
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred ?: hold_cred);
+	if (old_cred && hold_cred)
+		put_cred(hold_cred);
 	return err;
 }
 
@@ -698,7 +701,7 @@
 
 	old_cred = ovl_override_creds(dentry->d_sb);
 	err = ovl_set_redirect(dentry, false);
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 
 	return err;
 }
@@ -917,7 +920,7 @@
 		err = ovl_remove_upper(dentry, is_dir, &list);
 	else
 		err = ovl_remove_and_whiteout(dentry, &list);
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	if (!err) {
 		if (is_dir)
 			clear_nlink(dentry->d_inode);
@@ -1291,7 +1294,7 @@
 out_unlock:
 	unlock_rename(new_upperdir, old_upperdir);
 out_revert_creds:
-	revert_creds(old_cred);
+	ovl_revert_creds(old->d_sb, old_cred);
 	if (update_nlink)
 		ovl_nlink_end(new);
 out_drop_write:
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index 244e425..c5760b5 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -15,6 +15,8 @@
 #include <linux/fs.h>
 #include "overlayfs.h"
 
+#define OVL_IOCB_MASK (IOCB_DSYNC | IOCB_HIPRI | IOCB_NOWAIT | IOCB_SYNC)
+
 struct ovl_aio_req {
 	struct kiocb iocb;
 	refcount_t ref;
@@ -53,13 +55,13 @@
 	err = inode_permission(realinode, MAY_OPEN | acc_mode);
 	if (err) {
 		realfile = ERR_PTR(err);
-	} else if (!inode_owner_or_capable(realinode)) {
+	} else if (old_cred && !inode_owner_or_capable(realinode)) {
 		realfile = ERR_PTR(-EPERM);
 	} else {
 		realfile = open_with_fake_path(&file->f_path, flags, realinode,
 					       current_cred());
 	}
-	revert_creds(old_cred);
+	ovl_revert_creds(inode->i_sb, old_cred);
 
 	pr_debug("open(%p[%pD2/%c], 0%o) -> (%p, 0%o)\n",
 		 file, file, ovl_whatisit(inode, realinode), file->f_flags,
@@ -209,7 +211,7 @@
 
 	old_cred = ovl_override_creds(inode->i_sb);
 	ret = vfs_llseek(real.file, offset, whence);
-	revert_creds(old_cred);
+	ovl_revert_creds(inode->i_sb, old_cred);
 
 	file->f_pos = real.file->f_pos;
 	ovl_inode_unlock(inode);
@@ -241,22 +243,6 @@
 	touch_atime(&file->f_path);
 }
 
-static rwf_t ovl_iocb_to_rwf(int ifl)
-{
-	rwf_t flags = 0;
-
-	if (ifl & IOCB_NOWAIT)
-		flags |= RWF_NOWAIT;
-	if (ifl & IOCB_HIPRI)
-		flags |= RWF_HIPRI;
-	if (ifl & IOCB_DSYNC)
-		flags |= RWF_DSYNC;
-	if (ifl & IOCB_SYNC)
-		flags |= RWF_SYNC;
-
-	return flags;
-}
-
 static inline void ovl_aio_put(struct ovl_aio_req *aio_req)
 {
 	if (refcount_dec_and_test(&aio_req->ref)) {
@@ -317,7 +303,8 @@
 	old_cred = ovl_override_creds(file_inode(file)->i_sb);
 	if (is_sync_kiocb(iocb)) {
 		ret = vfs_iter_read(real.file, iter, &iocb->ki_pos,
-				    ovl_iocb_to_rwf(iocb->ki_flags));
+				    iocb_to_rw_flags(iocb->ki_flags,
+						     OVL_IOCB_MASK));
 	} else {
 		struct ovl_aio_req *aio_req;
 
@@ -337,7 +324,8 @@
 			ovl_aio_cleanup_handler(aio_req);
 	}
 out:
-	revert_creds(old_cred);
+	ovl_revert_creds(file_inode(file)->i_sb, old_cred);
+
 	ovl_file_accessed(file);
 out_fdput:
 	fdput(real);
@@ -381,7 +369,7 @@
 	if (is_sync_kiocb(iocb)) {
 		file_start_write(real.file);
 		ret = vfs_iter_write(real.file, iter, &iocb->ki_pos,
-				     ovl_iocb_to_rwf(ifl));
+				     iocb_to_rw_flags(ifl, OVL_IOCB_MASK));
 		file_end_write(real.file);
 		/* Update size */
 		ovl_copyattr(ovl_inode_real(inode), inode);
@@ -409,7 +397,7 @@
 			ovl_aio_cleanup_handler(aio_req);
 	}
 out:
-	revert_creds(old_cred);
+	ovl_revert_creds(file_inode(file)->i_sb, old_cred);
 out_fdput:
 	fdput(real);
 
@@ -455,7 +443,7 @@
 	file_end_write(real.file);
 	/* Update size */
 	ovl_copyattr(realinode, inode);
-	revert_creds(old_cred);
+	ovl_revert_creds(inode->i_sb, old_cred);
 	fdput(real);
 
 out_unlock:
@@ -482,7 +470,7 @@
 	if (file_inode(real.file) == ovl_inode_upper(file_inode(file))) {
 		old_cred = ovl_override_creds(file_inode(file)->i_sb);
 		ret = vfs_fsync_range(real.file, start, end, datasync);
-		revert_creds(old_cred);
+		ovl_revert_creds(file_inode(file)->i_sb, old_cred);
 	}
 
 	fdput(real);
@@ -506,7 +494,7 @@
 
 	old_cred = ovl_override_creds(file_inode(file)->i_sb);
 	ret = call_mmap(vma->vm_file, vma);
-	revert_creds(old_cred);
+	ovl_revert_creds(file_inode(file)->i_sb, old_cred);
 
 	if (ret) {
 		/* Drop reference count from new vm_file value */
@@ -541,7 +529,7 @@
 
 	old_cred = ovl_override_creds(file_inode(file)->i_sb);
 	ret = vfs_fallocate(real.file, mode, offset, len);
-	revert_creds(old_cred);
+	ovl_revert_creds(file_inode(file)->i_sb, old_cred);
 
 	/* Update size */
 	ovl_copyattr(ovl_inode_real(inode), inode);
@@ -566,7 +554,7 @@
 
 	old_cred = ovl_override_creds(file_inode(file)->i_sb);
 	ret = vfs_fadvise(real.file, offset, len, advice);
-	revert_creds(old_cred);
+	ovl_revert_creds(file_inode(file)->i_sb, old_cred);
 
 	fdput(real);
 
@@ -731,7 +719,7 @@
 						flags);
 		break;
 	}
-	revert_creds(old_cred);
+	ovl_revert_creds(file_inode(file_out)->i_sb, old_cred);
 
 	/* Update size */
 	ovl_copyattr(ovl_inode_real(inode_out), inode_out);
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 4fadafd..df35954 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -80,7 +80,7 @@
 		inode_lock(upperdentry->d_inode);
 		old_cred = ovl_override_creds(dentry->d_sb);
 		err = notify_change(upperdentry, attr, NULL);
-		revert_creds(old_cred);
+		ovl_revert_creds(dentry->d_sb, old_cred);
 		if (!err)
 			ovl_copyattr(upperdentry->d_inode, dentry->d_inode);
 		inode_unlock(upperdentry->d_inode);
@@ -272,7 +272,7 @@
 		stat->nlink = dentry->d_inode->i_nlink;
 
 out:
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 
 	return err;
 }
@@ -306,7 +306,7 @@
 		mask |= MAY_READ;
 	}
 	err = inode_permission(realinode, mask);
-	revert_creds(old_cred);
+	ovl_revert_creds(inode->i_sb, old_cred);
 
 	return err;
 }
@@ -323,7 +323,7 @@
 
 	old_cred = ovl_override_creds(dentry->d_sb);
 	p = vfs_get_link(ovl_dentry_real(dentry), done);
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	return p;
 }
 
@@ -368,7 +368,7 @@
 		WARN_ON(flags != XATTR_REPLACE);
 		err = vfs_removexattr(realdentry, name);
 	}
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 
 	/* copy c/mtime */
 	ovl_copyattr(d_inode(realdentry), inode);
@@ -380,7 +380,7 @@
 }
 
 int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
-		  void *value, size_t size)
+		  void *value, size_t size, int flags)
 {
 	ssize_t res;
 	const struct cred *old_cred;
@@ -388,8 +388,9 @@
 		ovl_i_dentry_upper(inode) ?: ovl_dentry_lower(dentry);
 
 	old_cred = ovl_override_creds(dentry->d_sb);
-	res = vfs_getxattr(realdentry, name, value, size);
-	revert_creds(old_cred);
+	res = __vfs_getxattr(realdentry, d_inode(realdentry), name,
+			     value, size, flags);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	return res;
 }
 
@@ -417,7 +418,7 @@
 
 	old_cred = ovl_override_creds(dentry->d_sb);
 	res = vfs_listxattr(realdentry, list, size);
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	if (res <= 0 || size == 0)
 		return res;
 
@@ -452,7 +453,7 @@
 
 	old_cred = ovl_override_creds(inode->i_sb);
 	acl = get_acl(realinode, type);
-	revert_creds(old_cred);
+	ovl_revert_creds(inode->i_sb, old_cred);
 
 	return acl;
 }
@@ -486,7 +487,7 @@
 
 	old_cred = ovl_override_creds(inode->i_sb);
 	err = realinode->i_op->fiemap(realinode, fieinfo, start, len);
-	revert_creds(old_cred);
+	ovl_revert_creds(inode->i_sb, old_cred);
 
 	return err;
 }
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index ff5284b..555781e 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -108,7 +108,8 @@
 static struct ovl_fh *ovl_get_fh(struct ovl_fs *ofs, struct dentry *dentry,
 				 enum ovl_xattr ox)
 {
-	int res, err;
+	ssize_t res;
+	int err;
 	struct ovl_fh *fh = NULL;
 
 	res = ovl_do_getxattr(ofs, dentry, ox, NULL, 0);
@@ -143,10 +144,10 @@
 	return NULL;
 
 fail:
-	pr_warn_ratelimited("failed to get origin (%i)\n", res);
+	pr_warn_ratelimited("failed to get origin (%zi)\n", res);
 	goto out;
 invalid:
-	pr_warn_ratelimited("invalid origin (%*phN)\n", res, fh);
+	pr_warn_ratelimited("invalid origin (%*phN)\n", (int)res, fh);
 	goto out;
 }
 
@@ -1097,7 +1098,7 @@
 
 	ovl_dentry_init_reval(dentry, upperdentry);
 
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	if (origin_path) {
 		dput(origin_path->dentry);
 		kfree(origin_path);
@@ -1124,7 +1125,7 @@
 	kfree(upperredirect);
 out:
 	kfree(d.redirect);
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	return ERR_PTR(err);
 }
 
@@ -1176,7 +1177,7 @@
 			dput(this);
 		}
 	}
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 
 	return positive;
 }
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 26f9186..a9f9923a 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -184,7 +184,9 @@
 				      size_t size)
 {
 	const char *name = ovl_xattr(ofs, ox);
-	return vfs_getxattr(dentry, name, value, size);
+	struct inode *ip = d_inode(dentry);
+
+	return __vfs_getxattr(dentry, ip, name, value, size, XATTR_NOSECURITY);
 }
 
 static inline int ovl_do_setxattr(struct ovl_fs *ofs, struct dentry *dentry,
@@ -251,6 +253,7 @@
 void ovl_drop_write(struct dentry *dentry);
 struct dentry *ovl_workdir(struct dentry *dentry);
 const struct cred *ovl_override_creds(struct super_block *sb);
+void ovl_revert_creds(struct super_block *sb, const struct cred *oldcred);
 int ovl_can_decode_fh(struct super_block *sb);
 struct dentry *ovl_indexdir(struct super_block *sb);
 bool ovl_index_all(struct super_block *sb);
@@ -466,7 +469,7 @@
 int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
 		  const void *value, size_t size, int flags);
 int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
-		  void *value, size_t size);
+		  void *value, size_t size, int flags);
 ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size);
 struct posix_acl *ovl_get_acl(struct inode *inode, int type);
 int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags);
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h
index b58a014..c5d9a02 100644
--- a/fs/overlayfs/ovl_entry.h
+++ b/fs/overlayfs/ovl_entry.h
@@ -18,6 +18,7 @@
 	int xino;
 	bool metacopy;
 	bool ovl_volatile;
+	bool override_creds;
 };
 
 struct ovl_sb {
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index cc1e802..5a35f87 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -286,7 +286,7 @@
 		}
 		inode_unlock(dir->d_inode);
 	}
-	revert_creds(old_cred);
+	ovl_revert_creds(rdd->dentry->d_sb, old_cred);
 
 	return err;
 }
@@ -784,7 +784,7 @@
 	}
 	err = 0;
 out:
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	return err;
 }
 
@@ -836,7 +836,7 @@
 
 	old_cred = ovl_override_creds(file_inode(file)->i_sb);
 	res = ovl_path_open(realpath, O_RDONLY | (file->f_flags & O_LARGEFILE));
-	revert_creds(old_cred);
+	ovl_revert_creds(file_inode(file)->i_sb, old_cred);
 
 	return res;
 }
@@ -966,7 +966,7 @@
 
 	old_cred = ovl_override_creds(dentry->d_sb);
 	err = ovl_dir_read_merged(dentry, list, &root);
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 	if (err)
 		return err;
 
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 5d7df83..d59624b 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -20,6 +20,7 @@
 MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>");
 MODULE_DESCRIPTION("Overlay filesystem");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 
 struct ovl_dir_cache;
@@ -53,6 +54,11 @@
 MODULE_PARM_DESC(xino_auto,
 		 "Auto enable xino feature");
 
+static bool __read_mostly ovl_override_creds_def = true;
+module_param_named(override_creds, ovl_override_creds_def, bool, 0644);
+MODULE_PARM_DESC(ovl_override_creds_def,
+		 "Use mounter's credentials for accesses");
+
 static void ovl_entry_stack_free(struct ovl_entry *oe)
 {
 	unsigned int i;
@@ -383,6 +389,9 @@
 			   ofs->config.metacopy ? "on" : "off");
 	if (ofs->config.ovl_volatile)
 		seq_puts(m, ",volatile");
+	if (ofs->config.override_creds != ovl_override_creds_def)
+		seq_show_option(m, "override_creds",
+				ofs->config.override_creds ? "on" : "off");
 	return 0;
 }
 
@@ -435,6 +444,8 @@
 	OPT_METACOPY_ON,
 	OPT_METACOPY_OFF,
 	OPT_VOLATILE,
+	OPT_OVERRIDE_CREDS_ON,
+	OPT_OVERRIDE_CREDS_OFF,
 	OPT_ERR,
 };
 
@@ -454,6 +465,8 @@
 	{OPT_METACOPY_ON,		"metacopy=on"},
 	{OPT_METACOPY_OFF,		"metacopy=off"},
 	{OPT_VOLATILE,			"volatile"},
+	{OPT_OVERRIDE_CREDS_ON,		"override_creds=on"},
+	{OPT_OVERRIDE_CREDS_OFF,	"override_creds=off"},
 	{OPT_ERR,			NULL}
 };
 
@@ -513,6 +526,7 @@
 	config->redirect_mode = kstrdup(ovl_redirect_mode_def(), GFP_KERNEL);
 	if (!config->redirect_mode)
 		return -ENOMEM;
+	config->override_creds = ovl_override_creds_def;
 
 	while ((p = ovl_next_opt(&opt)) != NULL) {
 		int token;
@@ -602,6 +616,14 @@
 			config->ovl_volatile = true;
 			break;
 
+		case OPT_OVERRIDE_CREDS_ON:
+			config->override_creds = true;
+			break;
+
+		case OPT_OVERRIDE_CREDS_OFF:
+			config->override_creds = false;
+			break;
+
 		default:
 			pr_err("unrecognized mount option \"%s\" or missing value\n",
 					p);
@@ -949,9 +971,9 @@
 static int __maybe_unused
 ovl_posix_acl_xattr_get(const struct xattr_handler *handler,
 			struct dentry *dentry, struct inode *inode,
-			const char *name, void *buffer, size_t size)
+			const char *name, void *buffer, size_t size, int flags)
 {
-	return ovl_xattr_get(dentry, inode, handler->name, buffer, size);
+	return ovl_xattr_get(dentry, inode, handler->name, buffer, size, flags);
 }
 
 static int __maybe_unused
@@ -1014,7 +1036,8 @@
 
 static int ovl_own_xattr_get(const struct xattr_handler *handler,
 			     struct dentry *dentry, struct inode *inode,
-			     const char *name, void *buffer, size_t size)
+			     const char *name, void *buffer, size_t size,
+			     int flags)
 {
 	return -EOPNOTSUPP;
 }
@@ -1029,9 +1052,10 @@
 
 static int ovl_other_xattr_get(const struct xattr_handler *handler,
 			       struct dentry *dentry, struct inode *inode,
-			       const char *name, void *buffer, size_t size)
+			       const char *name, void *buffer, size_t size,
+			       int flags)
 {
-	return ovl_xattr_get(dentry, inode, name, buffer, size);
+	return ovl_xattr_get(dentry, inode, name, buffer, size, flags);
 }
 
 static int ovl_other_xattr_set(const struct xattr_handler *handler,
@@ -2039,7 +2063,6 @@
 	kfree(splitlower);
 
 	sb->s_root = root_dentry;
-
 	return 0;
 
 out_free_oe:
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 060f9c9..7eba49d 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -37,9 +37,17 @@
 {
 	struct ovl_fs *ofs = sb->s_fs_info;
 
+	if (!ofs->config.override_creds)
+		return NULL;
 	return override_creds(ofs->creator_cred);
 }
 
+void ovl_revert_creds(struct super_block *sb, const struct cred *old_cred)
+{
+	if (old_cred)
+		revert_creds(old_cred);
+}
+
 /*
  * Check if underlying fs supports file handles and try to determine encoding
  * type, in order to deduce maximum inode number used by fs.
@@ -564,7 +572,7 @@
 
 bool ovl_check_origin_xattr(struct ovl_fs *ofs, struct dentry *dentry)
 {
-	int res;
+	ssize_t res;
 
 	res = ovl_do_getxattr(ofs, dentry, OVL_XATTR_ORIGIN, NULL, 0);
 
@@ -578,7 +586,7 @@
 bool ovl_check_dir_xattr(struct super_block *sb, struct dentry *dentry,
 			 enum ovl_xattr ox)
 {
-	int res;
+	ssize_t res;
 	char val;
 
 	if (!d_is_dir(dentry))
@@ -826,7 +834,7 @@
 	 * value relative to the upper inode nlink in an upper inode xattr.
 	 */
 	err = ovl_set_nlink_upper(dentry);
-	revert_creds(old_cred);
+	ovl_revert_creds(dentry->d_sb, old_cred);
 
 out:
 	if (err)
@@ -844,7 +852,7 @@
 
 		old_cred = ovl_override_creds(dentry->d_sb);
 		ovl_cleanup_index(dentry);
-		revert_creds(old_cred);
+		ovl_revert_creds(dentry->d_sb, old_cred);
 	}
 
 	ovl_inode_unlock(inode);
@@ -872,7 +880,7 @@
 /* err < 0, 0 if no metacopy xattr, 1 if metacopy xattr found */
 int ovl_check_metacopy_xattr(struct ovl_fs *ofs, struct dentry *dentry)
 {
-	int res;
+	ssize_t res;
 
 	/* Only regular files can have metacopy xattr */
 	if (!S_ISREG(d_inode(dentry)->i_mode))
@@ -887,7 +895,7 @@
 
 	return 1;
 out:
-	pr_warn_ratelimited("failed to get metacopy (%i)\n", res);
+	pr_warn_ratelimited("failed to get metacopy (%zi)\n", res);
 	return res;
 }
 
diff --git a/fs/pipe.c b/fs/pipe.c
index dbb090e..43fae0e 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -652,7 +652,7 @@
 	unsigned int head, tail;
 
 	/* Epoll has some historical nasty semantics, this enables them */
-	WRITE_ONCE(pipe->poll_usage, true);
+	WRITE_ONCE(pipe->poll_usage, 1);
 
 	/*
 	 * Reading pipe state only -- no need for acquiring the semaphore.
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 95882b3..f3fbc26 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -835,7 +835,7 @@
 static int
 posix_acl_xattr_get(const struct xattr_handler *handler,
 		    struct dentry *unused, struct inode *inode,
-		    const char *name, void *value, size_t size)
+		    const char *name, void *value, size_t size, int flags)
 {
 	struct posix_acl *acl;
 	int error;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 712948e..8b1ecb5 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -96,6 +96,7 @@
 #include <linux/posix-timers.h>
 #include <linux/time_namespace.h>
 #include <linux/resctrl.h>
+#include <linux/cpufreq_times.h>
 #include <trace/events/oom.h>
 #include "internal.h"
 #include "fd.h"
@@ -3201,7 +3202,7 @@
 	DIR("task",       S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
 	DIR("fd",         S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
 	DIR("map_files",  S_IRUSR|S_IXUSR, proc_map_files_inode_operations, proc_map_files_operations),
-	DIR("fdinfo",     S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
+	DIR("fdinfo",     S_IRUGO|S_IXUGO, proc_fdinfo_inode_operations, proc_fdinfo_operations),
 	DIR("ns",	  S_IRUSR|S_IXUGO, proc_ns_dir_inode_operations, proc_ns_dir_operations),
 #ifdef CONFIG_NET
 	DIR("net",        S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations),
@@ -3298,6 +3299,9 @@
 #ifdef CONFIG_LIVEPATCH
 	ONE("patch_state",  S_IRUSR, proc_pid_patch_state),
 #endif
+#ifdef CONFIG_CPU_FREQ_TIMES
+	ONE("time_in_state", 0444, proc_time_in_state_show),
+#endif
 #ifdef CONFIG_STACKLEAK_METRICS
 	ONE("stack_depth", S_IRUGO, proc_stack_depth),
 #endif
@@ -3544,7 +3548,7 @@
  */
 static const struct pid_entry tid_base_stuff[] = {
 	DIR("fd",        S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
-	DIR("fdinfo",    S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
+	DIR("fdinfo",    S_IRUGO|S_IXUGO, proc_fdinfo_inode_operations, proc_fdinfo_operations),
 	DIR("ns",	 S_IRUSR|S_IXUGO, proc_ns_dir_inode_operations, proc_ns_dir_operations),
 #ifdef CONFIG_NET
 	DIR("net",        S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations),
@@ -3635,6 +3639,9 @@
 #ifdef CONFIG_PROC_PID_ARCH_STATUS
 	ONE("arch_status", S_IRUGO, proc_pid_arch_status),
 #endif
+#ifdef CONFIG_CPU_FREQ_TIMES
+	ONE("time_in_state", 0444, proc_time_in_state_show),
+#endif
 };
 
 static int proc_tid_base_readdir(struct file *file, struct dir_context *ctx)
diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
index d82dae1..2e244ad 100644
--- a/fs/proc/bootconfig.c
+++ b/fs/proc/bootconfig.c
@@ -51,7 +51,7 @@
 				else
 					q = '"';
 				ret = snprintf(dst, rest(dst, end), "%c%s%c%s",
-					q, val, q, vnode->next ? ", " : "\n");
+					q, val, q, xbc_node_is_array(vnode) ? ", " : "\n");
 				if (ret < 0)
 					goto out;
 				dst += ret;
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 81882a1..6b634c0 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -6,6 +6,7 @@
 #include <linux/fdtable.h>
 #include <linux/namei.h>
 #include <linux/pid.h>
+#include <linux/ptrace.h>
 #include <linux/security.h>
 #include <linux/file.h>
 #include <linux/seq_file.h>
@@ -53,9 +54,10 @@
 	if (ret)
 		return ret;
 
-	seq_printf(m, "pos:\t%lli\nflags:\t0%o\nmnt_id:\t%i\n",
+	seq_printf(m, "pos:\t%lli\nflags:\t0%o\nmnt_id:\t%i\nino:\t%lu\n",
 		   (long long)file->f_pos, f_flags,
-		   real_mount(file->f_path.mnt)->mnt_id);
+		   real_mount(file->f_path.mnt)->mnt_id,
+		   file_inode(file)->i_ino);
 
 	show_fd_locks(m, file, files);
 	if (seq_has_overflowed(m))
@@ -69,8 +71,30 @@
 	return 0;
 }
 
+static int proc_fdinfo_access_allowed(struct inode *inode)
+{
+	bool allowed = false;
+	struct task_struct *task = get_proc_task(inode);
+
+	if (!task)
+		return -ESRCH;
+
+	allowed = ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS);
+	put_task_struct(task);
+
+	if (!allowed)
+		return -EACCES;
+
+	return 0;
+}
+
 static int seq_fdinfo_open(struct inode *inode, struct file *file)
 {
+	int ret = proc_fdinfo_access_allowed(inode);
+
+	if (ret)
+		return ret;
+
 	return single_open(file, seq_show, inode);
 }
 
@@ -325,7 +349,7 @@
 	struct proc_inode *ei;
 	struct inode *inode;
 
-	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUSR);
+	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUGO);
 	if (!inode)
 		return ERR_PTR(-ENOENT);
 
@@ -351,12 +375,23 @@
 				  proc_fdinfo_instantiate);
 }
 
+static int proc_open_fdinfo(struct inode *inode, struct file *file)
+{
+	int ret = proc_fdinfo_access_allowed(inode);
+
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 const struct inode_operations proc_fdinfo_inode_operations = {
 	.lookup		= proc_lookupfdinfo,
 	.setattr	= proc_setattr,
 };
 
 const struct file_operations proc_fdinfo_operations = {
+	.open		= proc_open_fdinfo,
 	.read		= generic_read_dir,
 	.iterate_shared	= proc_readfdinfo,
 	.llseek		= generic_file_llseek,
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 887a553..208c9c4 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -18,7 +18,7 @@
 #endif
 #include <asm/page.h>
 #include "internal.h"
-
+#include <trace/hooks/mm.h>
 void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
 {
 }
@@ -145,6 +145,7 @@
 	show_val_kb(m, "CmaFree:        ",
 		    global_zone_page_state(NR_FREE_CMA_PAGES));
 #endif
+	trace_android_vh_meminfo_proc_show(m);
 
 	hugetlb_report_meminfo(m);
 
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 39b1038..2bec3d6 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/pagewalk.h>
 #include <linux/vmacache.h>
+#include <linux/mm_inline.h>
 #include <linux/hugetlb.h>
 #include <linux/huge_mm.h>
 #include <linux/mount.h>
@@ -308,6 +309,8 @@
 
 	name = arch_vma_name(vma);
 	if (!name) {
+		struct anon_vma_name *anon_name;
+
 		if (!mm) {
 			name = "[vdso]";
 			goto done;
@@ -319,8 +322,16 @@
 			goto done;
 		}
 
-		if (is_stack(vma))
+		if (is_stack(vma)) {
 			name = "[stack]";
+			goto done;
+		}
+
+		anon_name = anon_vma_name(vma);
+		if (anon_name) {
+			seq_pad(m, ' ');
+			seq_printf(m, "[anon:%s]", anon_name->name);
+		}
 	}
 
 done:
@@ -678,6 +689,9 @@
 		[ilog2(VM_PKEY_BIT4)]	= "",
 #endif
 #endif /* CONFIG_ARCH_HAS_PKEYS */
+#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+		[ilog2(VM_UFFD_MINOR)]	= "ui",
+#endif /* CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */
 	};
 	size_t i;
 
@@ -1267,8 +1281,11 @@
 			for (vma = mm->mmap; vma; vma = vma->vm_next) {
 				if (!(vma->vm_flags & VM_SOFTDIRTY))
 					continue;
-				vma->vm_flags &= ~VM_SOFTDIRTY;
+				vm_write_begin(vma);
+				WRITE_ONCE(vma->vm_flags,
+					vma->vm_flags & ~VM_SOFTDIRTY);
 				vma_set_page_prot(vma);
+				vm_write_end(vma);
 			}
 
 			inc_tlb_flush_pending(mm);
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index d59f13b..5c5e708 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -143,22 +143,21 @@
 	mod_timer(&pstore_timer, jiffies + msecs_to_jiffies(pstore_update_ms));
 }
 
-static bool pstore_cannot_block_path(enum kmsg_dump_reason reason)
+/*
+ * Should pstore_dump() wait for a concurrent pstore_dump()? If
+ * not, the current pstore_dump() will report a failure to dump
+ * and return.
+ */
+static bool pstore_cannot_wait(enum kmsg_dump_reason reason)
 {
-	/*
-	 * In case of NMI path, pstore shouldn't be blocked
-	 * regardless of reason.
-	 */
+	/* In NMI path, pstore shouldn't block regardless of reason. */
 	if (in_nmi())
 		return true;
 
 	switch (reason) {
 	/* In panic case, other cpus are stopped by smp_send_stop(). */
 	case KMSG_DUMP_PANIC:
-	/*
-	 * Emergency restart shouldn't be blocked by spinning on
-	 * pstore_info::buf_lock.
-	 */
+	/* Emergency restart shouldn't be blocked. */
 	case KMSG_DUMP_EMERG:
 		return true;
 	default:
@@ -389,19 +388,21 @@
 	unsigned long	total = 0;
 	const char	*why;
 	unsigned int	part = 1;
-	unsigned long	flags = 0;
 	int		ret;
 
 	why = kmsg_dump_reason_str(reason);
 
-	if (pstore_cannot_block_path(reason)) {
-		if (!spin_trylock_irqsave(&psinfo->buf_lock, flags)) {
-			pr_err("dump skipped in %s path because of concurrent dump\n",
-					in_nmi() ? "NMI" : why);
+	if (down_trylock(&psinfo->buf_lock)) {
+		/* Failed to acquire lock: give up if we cannot wait. */
+		if (pstore_cannot_wait(reason)) {
+			pr_err("dump skipped in %s path: may corrupt error record\n",
+				in_nmi() ? "NMI" : why);
 			return;
 		}
-	} else {
-		spin_lock_irqsave(&psinfo->buf_lock, flags);
+		if (down_interruptible(&psinfo->buf_lock)) {
+			pr_err("could not grab semaphore?!\n");
+			return;
+		}
 	}
 
 	oopscount++;
@@ -463,7 +464,8 @@
 		total += record.size;
 		part++;
 	}
-	spin_unlock_irqrestore(&psinfo->buf_lock, flags);
+
+	up(&psinfo->buf_lock);
 }
 
 static struct kmsg_dumper pstore_dumper = {
@@ -596,7 +598,7 @@
 		psi->write_user = pstore_write_user_compat;
 	psinfo = psi;
 	mutex_init(&psinfo->read_mutex);
-	spin_lock_init(&psinfo->buf_lock);
+	sema_init(&psinfo->buf_lock, 1);
 
 	if (psi->flags & PSTORE_FLAGS_DMESG)
 		allocate_buf_for_compression();
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 98e579c..80bfa26 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -21,6 +21,7 @@
 #include <linux/pstore_ram.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
 #include "internal.h"
 
 #define RAMOOPS_KERNMSG_HDR "===="
@@ -56,7 +57,7 @@
 static unsigned int mem_type;
 module_param(mem_type, uint, 0400);
 MODULE_PARM_DESC(mem_type,
-		"set to 1 to try to use unbuffered memory (default 0)");
+		"memory type: 0=write-combined (default), 1=unbuffered, 2=cached");
 
 static int ramoops_max_reason = -1;
 module_param_named(max_reason, ramoops_max_reason, int, 0400);
@@ -633,6 +634,7 @@
 {
 	struct device_node *of_node = pdev->dev.of_node;
 	struct device_node *parent_node;
+	struct reserved_mem *rmem;
 	struct resource *res;
 	u32 value;
 	int ret;
@@ -641,13 +643,24 @@
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
-		dev_err(&pdev->dev,
-			"failed to locate DT /reserved-memory resource\n");
-		return -EINVAL;
+		rmem = of_reserved_mem_lookup(of_node);
+		if (rmem) {
+			pdata->mem_size = rmem->size;
+			pdata->mem_address = rmem->base;
+		} else {
+			dev_err(&pdev->dev,
+				"failed to locate DT /reserved-memory resource\n");
+			return -EINVAL;
+		}
+	} else {
+		pdata->mem_size = resource_size(res);
+		pdata->mem_address = res->start;
 	}
 
-	pdata->mem_size = resource_size(res);
-	pdata->mem_address = res->start;
+	/*
+	 * Setting "unbuffered" is deprecated and will be ignored if
+	 * "mem_type" is also specified.
+	 */
 	pdata->mem_type = of_property_read_bool(of_node, "unbuffered");
 	/*
 	 * Setting "no-dump-oops" is deprecated and will be ignored if
@@ -666,6 +679,7 @@
 		field = value;						\
 	}
 
+	parse_u32("mem-type", pdata->mem_type, pdata->mem_type);
 	parse_u32("record-size", pdata->record_size, 0);
 	parse_u32("console-size", pdata->console_size, 0);
 	parse_u32("ftrace-size", pdata->ftrace_size, 0);
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index 5ac9b1f..b71add3 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -396,6 +396,10 @@
 	persistent_ram_update_header_ecc(prz);
 }
 
+#define MEM_TYPE_WCOMBINE	0
+#define MEM_TYPE_NONCACHED	1
+#define MEM_TYPE_NORMAL		2
+
 static void *persistent_ram_vmap(phys_addr_t start, size_t size,
 		unsigned int memtype)
 {
@@ -409,10 +413,20 @@
 	page_start = start - offset_in_page(start);
 	page_count = DIV_ROUND_UP(size + offset_in_page(start), PAGE_SIZE);
 
-	if (memtype)
+	switch (memtype) {
+	case MEM_TYPE_NORMAL:
+		prot = PAGE_KERNEL;
+		break;
+	case MEM_TYPE_NONCACHED:
 		prot = pgprot_noncached(PAGE_KERNEL);
-	else
+		break;
+	case MEM_TYPE_WCOMBINE:
 		prot = pgprot_writecombine(PAGE_KERNEL);
+		break;
+	default:
+		pr_err("invalid mem_type=%d\n", memtype);
+		return NULL;
+	}
 
 	pages = kmalloc_array(page_count, sizeof(struct page *), GFP_KERNEL);
 	if (!pages) {
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index 3fb7fc8..704fb7d 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -420,4 +420,5 @@
 module_init(init_qnx4_fs)
 module_exit(exit_qnx4_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c
index 61191f7b..ac771f0 100644
--- a/fs/qnx6/inode.c
+++ b/fs/qnx6/inode.c
@@ -679,3 +679,4 @@
 module_init(init_qnx6_fs)
 module_exit(exit_qnx6_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/read_write.c b/fs/read_write.c
index 0066acb..729c02a 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -471,7 +471,7 @@
 		return ret;
 	return __kernel_read(file, buf, count, pos);
 }
-EXPORT_SYMBOL(kernel_read);
+EXPORT_SYMBOL_NS(kernel_read, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)
 {
@@ -580,7 +580,7 @@
 	file_end_write(file);
 	return ret;
 }
-EXPORT_SYMBOL(kernel_write);
+EXPORT_SYMBOL_NS(kernel_write, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)
 {
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 0ebb6e6..09ef9b4 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2649,6 +2649,7 @@
 MODULE_DESCRIPTION("ReiserFS journaled filesystem");
 MODULE_AUTHOR("Hans Reiser <reiser@namesys.com>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 
 module_init(init_reiserfs_fs);
 module_exit(exit_reiserfs_fs);
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index 159af6c2..b743f7b 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -11,7 +11,8 @@
 
 static int
 security_get(const struct xattr_handler *handler, struct dentry *unused,
-	     struct inode *inode, const char *name, void *buffer, size_t size)
+	     struct inode *inode, const char *name, void *buffer, size_t size,
+	     int flags)
 {
 	if (IS_PRIVATE(inode))
 		return -EPERM;
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index 5ed48da..2d11d98 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -10,7 +10,8 @@
 
 static int
 trusted_get(const struct xattr_handler *handler, struct dentry *unused,
-	    struct inode *inode, const char *name, void *buffer, size_t size)
+	    struct inode *inode, const char *name, void *buffer, size_t size,
+	    int flags)
 {
 	if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
 		return -EPERM;
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
index a573ca4..2a59d85 100644
--- a/fs/reiserfs/xattr_user.c
+++ b/fs/reiserfs/xattr_user.c
@@ -9,7 +9,8 @@
 
 static int
 user_get(const struct xattr_handler *handler, struct dentry *unused,
-	 struct inode *inode, const char *name, void *buffer, size_t size)
+	 struct inode *inode, const char *name, void *buffer, size_t size,
+	 int flags)
 {
 	if (!reiserfs_xattrs_user(inode->i_sb))
 		return -EOPNOTSUPP;
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index 259f684..c335658 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -666,3 +666,4 @@
 MODULE_DESCRIPTION("Direct-MTD Capable RomFS");
 MODULE_AUTHOR("Red Hat, Inc.");
 MODULE_LICENSE("GPL"); /* Actually dual-licensed, but it doesn't matter for */
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/signalfd.c b/fs/signalfd.c
index 41dc597..b94fb5f 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -248,7 +248,6 @@
 	.poll		= signalfd_poll,
 	.read		= signalfd_read,
 	.llseek		= noop_llseek,
-	.may_pollfree	= true,
 };
 
 static int do_signalfd4(int ufd, sigset_t *mask, int flags)
diff --git a/fs/splice.c b/fs/splice.c
index 866d5c2..036a479 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -326,7 +326,7 @@
 
 	return ret;
 }
-EXPORT_SYMBOL(generic_file_splice_read);
+EXPORT_SYMBOL_NS(generic_file_splice_read, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 const struct pipe_buf_operations default_pipe_buf_ops = {
 	.release	= generic_pipe_buf_release,
@@ -722,7 +722,7 @@
 	return ret;
 }
 
-EXPORT_SYMBOL(iter_file_splice_write);
+EXPORT_SYMBOL_NS(iter_file_splice_write, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * generic_splice_sendpage - splice data from a pipe to a socket
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 88cc94b..83c4876 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -498,3 +498,4 @@
 MODULE_DESCRIPTION("squashfs 4.0, a compressed read-only filesystem");
 MODULE_AUTHOR("Phillip Lougher <phillip@squashfs.org.uk>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index e1e3f3d..d8d58c9 100644
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -204,7 +204,7 @@
 				      struct dentry *unused,
 				      struct inode *inode,
 				      const char *name,
-				      void *buffer, size_t size)
+				      void *buffer, size_t size, int flags)
 {
 	return squashfs_xattr_get(inode, handler->flags, name,
 		buffer, size);
diff --git a/fs/stat.c b/fs/stat.c
index 04550c0..c6a2e10 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -49,7 +49,7 @@
 	stat->blksize = i_blocksize(inode);
 	stat->blocks = inode->i_blocks;
 }
-EXPORT_SYMBOL(generic_fillattr);
+EXPORT_SYMBOL_NS(generic_fillattr, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 /**
  * vfs_getattr_nosec - getattr without security checks
diff --git a/fs/super.c b/fs/super.c
index f9795e7..23ad90f 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1445,7 +1445,7 @@
 error:
 	return ERR_PTR(error);
 }
-EXPORT_SYMBOL(mount_bdev);
+EXPORT_SYMBOL_NS(mount_bdev, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 void kill_block_super(struct super_block *sb)
 {
@@ -1459,7 +1459,7 @@
 	blkdev_put(bdev, mode | FMODE_EXCL);
 }
 
-EXPORT_SYMBOL(kill_block_super);
+EXPORT_SYMBOL_NS(kill_block_super, ANDROID_GKI_VFS_EXPORT_ONLY);
 #endif
 
 struct dentry *mount_nodev(struct file_system_type *fs_type,
diff --git a/fs/sync.c b/fs/sync.c
index 79180e5..ad7a2715 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -9,7 +9,7 @@
 #include <linux/slab.h>
 #include <linux/export.h>
 #include <linux/namei.h>
-#include <linux/sched.h>
+#include <linux/sched/xacct.h>
 #include <linux/writeback.h>
 #include <linux/syscalls.h>
 #include <linux/linkage.h>
@@ -68,7 +68,7 @@
 	}
 	return __sync_blockdev(sb->s_bdev, 1);
 }
-EXPORT_SYMBOL(sync_filesystem);
+EXPORT_SYMBOL_NS(sync_filesystem, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static void sync_inodes_one_sb(struct super_block *sb, void *arg)
 {
@@ -225,6 +225,7 @@
 	if (f.file) {
 		ret = vfs_fsync(f.file, datasync);
 		fdput(f);
+		inc_syscfs(current);
 	}
 	return ret;
 }
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index cc8e2ed..e5383bf 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -592,3 +592,4 @@
 module_init(init_sysv_fs)
 module_exit(exit_sysv_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/timerfd.c b/fs/timerfd.c
index c5509d2..06c0623c 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -28,6 +28,8 @@
 #include <linux/rcupdate.h>
 #include <linux/time_namespace.h>
 
+#include <trace/hooks/fs.h>
+
 struct timerfd_ctx {
 	union {
 		struct hrtimer tmr;
@@ -391,6 +393,7 @@
 {
 	int ufd;
 	struct timerfd_ctx *ctx;
+	char file_name_buf[32];
 
 	/* Check the TFD_* constants for consistency.  */
 	BUILD_BUG_ON(TFD_CLOEXEC != O_CLOEXEC);
@@ -427,7 +430,9 @@
 
 	ctx->moffs = ktime_mono_to_real(0);
 
-	ufd = anon_inode_getfd("[timerfd]", &timerfd_fops, ctx,
+	strlcpy(file_name_buf, "[timerfd]", sizeof(file_name_buf));
+	trace_android_vh_timerfd_create(file_name_buf, sizeof(file_name_buf));
+	ufd = anon_inode_getfd(file_name_buf, &timerfd_fops, ctx,
 			       O_RDWR | (flags & TFD_SHARED_FCNTL_FLAGS));
 	if (ufd < 0)
 		kfree(ctx);
@@ -435,7 +440,7 @@
 	return ufd;
 }
 
-static int do_timerfd_settime(int ufd, int flags, 
+static int do_timerfd_settime(int ufd, int flags,
 		const struct itimerspec64 *new,
 		struct itimerspec64 *old)
 {
diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c
index 7d78984..c0f288a 100644
--- a/fs/tracefs/inode.c
+++ b/fs/tracefs/inode.c
@@ -520,8 +520,7 @@
 	if (unlikely(!inode))
 		return failed_creating(dentry);
 
-	/* Do not set bits for OTH */
-	inode->i_mode = S_IFDIR | S_IRWXU | S_IRUSR| S_IRGRP | S_IXUSR | S_IXGRP;
+	inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
 	inode->i_op = ops;
 	inode->i_fop = &simple_dir_operations;
 	inode->i_uid = d_inode(dentry->d_parent)->i_uid;
diff --git a/fs/ubifs/crypto.c b/fs/ubifs/crypto.c
index 22be7ae..c57b46a 100644
--- a/fs/ubifs/crypto.c
+++ b/fs/ubifs/crypto.c
@@ -82,5 +82,4 @@
 	.get_context		= ubifs_crypt_get_context,
 	.set_context		= ubifs_crypt_set_context,
 	.empty_dir		= ubifs_crypt_empty_dir,
-	.max_namelen		= UBIFS_MAX_NLEN,
 };
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index bc562b1..3ba451a 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -203,6 +203,7 @@
 	dbg_gen("'%pd' in dir ino %lu", dentry, dir->i_ino);
 
 	err = fscrypt_prepare_lookup(dir, dentry, &nm);
+	generic_set_encrypted_ci_d_ops(dentry);
 	if (err == -ENOENT)
 		return d_splice_alias(NULL, dentry);
 	if (err)
@@ -520,7 +521,7 @@
 		return 0;
 
 	if (encrypted) {
-		err = fscrypt_get_encryption_info(dir);
+		err = fscrypt_prepare_readdir(dir);
 		if (err)
 			return err;
 
@@ -1646,14 +1647,6 @@
 	return 0;
 }
 
-static int ubifs_dir_open(struct inode *dir, struct file *file)
-{
-	if (IS_ENCRYPTED(dir))
-		return fscrypt_get_encryption_info(dir) ? -EACCES : 0;
-
-	return 0;
-}
-
 const struct inode_operations ubifs_dir_inode_operations = {
 	.lookup      = ubifs_lookup,
 	.create      = ubifs_create,
@@ -1680,7 +1673,6 @@
 	.iterate_shared = ubifs_readdir,
 	.fsync          = ubifs_fsync,
 	.unlocked_ioctl = ubifs_ioctl,
-	.open		= ubifs_dir_open,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl   = ubifs_compat_ioctl,
 #endif
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 1df193c..5fa3b36 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2484,6 +2484,7 @@
 module_exit(ubifs_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_VERSION(__stringify(UBIFS_VERSION));
 MODULE_AUTHOR("Artem Bityutskiy, Adrian Hunter");
 MODULE_DESCRIPTION("UBIFS - UBI File System");
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index 17745f5..b4fc55f 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -693,7 +693,8 @@
 
 static int xattr_get(const struct xattr_handler *handler,
 			   struct dentry *dentry, struct inode *inode,
-			   const char *name, void *buffer, size_t size)
+			   const char *name, void *buffer, size_t size,
+			   int flags)
 {
 	dbg_gen("xattr '%s', ino %lu ('%pd'), buf size %zd", name,
 		inode->i_ino, dentry, size);
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 4af9ce34..3fa6e48 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2546,5 +2546,6 @@
 MODULE_AUTHOR("Ben Fennema");
 MODULE_DESCRIPTION("Universal Disk Format Filesystem");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 module_init(init_udf_fs)
 module_exit(exit_udf_fs)
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 983558b..e0d7149 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1542,3 +1542,4 @@
 module_init(init_ufs_fs)
 module_exit(exit_ufs_fs)
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index a3074a9..2089266 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -15,6 +15,8 @@
 #include <linux/sched/signal.h>
 #include <linux/sched/mm.h>
 #include <linux/mm.h>
+#include <linux/mm_inline.h>
+#include <linux/mmu_notifier.h>
 #include <linux/poll.h>
 #include <linux/slab.h>
 #include <linux/seq_file.h>
@@ -28,7 +30,7 @@
 #include <linux/security.h>
 #include <linux/hugetlb.h>
 
-int sysctl_unprivileged_userfaultfd __read_mostly = 1;
+int sysctl_unprivileged_userfaultfd __read_mostly;
 
 static struct kmem_cache *userfaultfd_ctx_cachep __read_mostly;
 
@@ -197,24 +199,21 @@
 	msg_init(&msg);
 	msg.event = UFFD_EVENT_PAGEFAULT;
 	msg.arg.pagefault.address = address;
+	/*
+	 * These flags indicate why the userfault occurred:
+	 * - UFFD_PAGEFAULT_FLAG_WP indicates a write protect fault.
+	 * - UFFD_PAGEFAULT_FLAG_MINOR indicates a minor fault.
+	 * - Neither of these flags being set indicates a MISSING fault.
+	 *
+	 * Separately, UFFD_PAGEFAULT_FLAG_WRITE indicates it was a write
+	 * fault. Otherwise, it was a read fault.
+	 */
 	if (flags & FAULT_FLAG_WRITE)
-		/*
-		 * If UFFD_FEATURE_PAGEFAULT_FLAG_WP was set in the
-		 * uffdio_api.features and UFFD_PAGEFAULT_FLAG_WRITE
-		 * was not set in a UFFD_EVENT_PAGEFAULT, it means it
-		 * was a read fault, otherwise if set it means it's
-		 * a write fault.
-		 */
 		msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_WRITE;
 	if (reason & VM_UFFD_WP)
-		/*
-		 * If UFFD_FEATURE_PAGEFAULT_FLAG_WP was set in the
-		 * uffdio_api.features and UFFD_PAGEFAULT_FLAG_WP was
-		 * not set in a UFFD_EVENT_PAGEFAULT, it means it was
-		 * a missing fault, otherwise if set it means it's a
-		 * write protect fault.
-		 */
 		msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_WP;
+	if (reason & VM_UFFD_MINOR)
+		msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_MINOR;
 	if (features & UFFD_FEATURE_THREAD_ID)
 		msg.arg.pagefault.feat.ptid = task_pid_vnr(current);
 	return msg;
@@ -401,11 +400,20 @@
 
 	BUG_ON(ctx->mm != mm);
 
-	VM_BUG_ON(reason & ~(VM_UFFD_MISSING|VM_UFFD_WP));
-	VM_BUG_ON(!(reason & VM_UFFD_MISSING) ^ !!(reason & VM_UFFD_WP));
+	/* Any unrecognized flag is a bug. */
+	VM_BUG_ON(reason & ~__VM_UFFD_FLAGS);
+	/* 0 or > 1 flags set is a bug; we expect exactly 1. */
+	VM_BUG_ON(!reason || (reason & (reason - 1)));
 
 	if (ctx->features & UFFD_FEATURE_SIGBUS)
 		goto out;
+	if ((vmf->flags & FAULT_FLAG_USER) == 0 &&
+	    ctx->flags & UFFD_USER_MODE_ONLY) {
+		printk_once(KERN_WARNING "uffd: Set unprivileged_userfaultfd "
+			"sysctl knob to 1 if kernel faults must be handled "
+			"without obtaining CAP_SYS_PTRACE capability\n");
+		goto out;
+	}
 
 	/*
 	 * If it's already released don't get it. This avoids to loop
@@ -605,7 +613,7 @@
 		for (vma = mm->mmap; vma; vma = vma->vm_next)
 			if (vma->vm_userfaultfd_ctx.ctx == release_new_ctx) {
 				vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
-				vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
+				vma->vm_flags &= ~__VM_UFFD_FLAGS;
 			}
 		mmap_write_unlock(mm);
 
@@ -636,8 +644,11 @@
 
 	octx = vma->vm_userfaultfd_ctx.ctx;
 	if (!octx || !(octx->features & UFFD_FEATURE_EVENT_FORK)) {
+		vm_write_begin(vma);
 		vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
-		vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
+		WRITE_ONCE(vma->vm_flags,
+			   vma->vm_flags & ~__VM_UFFD_FLAGS);
+		vm_write_end(vma);
 		return 0;
 	}
 
@@ -718,7 +729,7 @@
 	} else {
 		/* Drop uffd context if remap feature not enabled */
 		vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
-		vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
+		vma->vm_flags &= ~__VM_UFFD_FLAGS;
 	}
 }
 
@@ -859,23 +870,25 @@
 	for (vma = mm->mmap; vma; vma = vma->vm_next) {
 		cond_resched();
 		BUG_ON(!!vma->vm_userfaultfd_ctx.ctx ^
-		       !!(vma->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP)));
+		       !!(vma->vm_flags & __VM_UFFD_FLAGS));
 		if (vma->vm_userfaultfd_ctx.ctx != ctx) {
 			prev = vma;
 			continue;
 		}
-		new_flags = vma->vm_flags & ~(VM_UFFD_MISSING | VM_UFFD_WP);
+		new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;
 		prev = vma_merge(mm, prev, vma->vm_start, vma->vm_end,
 				 new_flags, vma->anon_vma,
 				 vma->vm_file, vma->vm_pgoff,
 				 vma_policy(vma),
-				 NULL_VM_UFFD_CTX);
+				 NULL_VM_UFFD_CTX, anon_vma_name(vma));
 		if (prev)
 			vma = prev;
 		else
 			prev = vma;
-		vma->vm_flags = new_flags;
+		vm_write_begin(vma);
+		WRITE_ONCE(vma->vm_flags, new_flags);
 		vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
+		vm_write_end(vma);
 	}
 	mmap_write_unlock(mm);
 	mmput(mm);
@@ -967,14 +980,14 @@
 
 static const struct file_operations userfaultfd_fops;
 
-static int resolve_userfault_fork(struct userfaultfd_ctx *ctx,
-				  struct userfaultfd_ctx *new,
+static int resolve_userfault_fork(struct userfaultfd_ctx *new,
+				  struct inode *inode,
 				  struct uffd_msg *msg)
 {
 	int fd;
 
-	fd = anon_inode_getfd("[userfaultfd]", &userfaultfd_fops, new,
-			      O_RDONLY | (new->flags & UFFD_SHARED_FCNTL_FLAGS));
+	fd = anon_inode_getfd_secure("[userfaultfd]", &userfaultfd_fops, new,
+			O_RDONLY | (new->flags & UFFD_SHARED_FCNTL_FLAGS), inode);
 	if (fd < 0)
 		return fd;
 
@@ -984,7 +997,7 @@
 }
 
 static ssize_t userfaultfd_ctx_read(struct userfaultfd_ctx *ctx, int no_wait,
-				    struct uffd_msg *msg)
+				    struct uffd_msg *msg, struct inode *inode)
 {
 	ssize_t ret;
 	DECLARE_WAITQUEUE(wait, current);
@@ -1095,7 +1108,7 @@
 	spin_unlock_irq(&ctx->fd_wqh.lock);
 
 	if (!ret && msg->event == UFFD_EVENT_FORK) {
-		ret = resolve_userfault_fork(ctx, fork_nctx, msg);
+		ret = resolve_userfault_fork(fork_nctx, inode, msg);
 		spin_lock_irq(&ctx->event_wqh.lock);
 		if (!list_empty(&fork_event)) {
 			/*
@@ -1155,6 +1168,7 @@
 	ssize_t _ret, ret = 0;
 	struct uffd_msg msg;
 	int no_wait = file->f_flags & O_NONBLOCK;
+	struct inode *inode = file_inode(file);
 
 	if (!userfaultfd_is_initialized(ctx))
 		return -EINVAL;
@@ -1162,7 +1176,7 @@
 	for (;;) {
 		if (count < sizeof(msg))
 			return ret ? ret : -EINVAL;
-		_ret = userfaultfd_ctx_read(ctx, no_wait, &msg);
+		_ret = userfaultfd_ctx_read(ctx, no_wait, &msg, inode);
 		if (_ret < 0)
 			return ret ? ret : _ret;
 		if (copy_to_user((__u64 __user *) buf, &msg, sizeof(msg)))
@@ -1246,9 +1260,18 @@
 				     unsigned long vm_flags)
 {
 	/* FIXME: add WP support to hugetlbfs and shmem */
-	return vma_is_anonymous(vma) ||
-		((is_vm_hugetlb_page(vma) || vma_is_shmem(vma)) &&
-		 !(vm_flags & VM_UFFD_WP));
+	if (vm_flags & VM_UFFD_WP) {
+		if (is_vm_hugetlb_page(vma) || vma_is_shmem(vma))
+			return false;
+	}
+
+	if (vm_flags & VM_UFFD_MINOR) {
+		if (!(is_vm_hugetlb_page(vma) || vma_is_shmem(vma)))
+			return false;
+	}
+
+	return vma_is_anonymous(vma) || is_vm_hugetlb_page(vma) ||
+	       vma_is_shmem(vma);
 }
 
 static int userfaultfd_register(struct userfaultfd_ctx *ctx,
@@ -1274,14 +1297,19 @@
 	ret = -EINVAL;
 	if (!uffdio_register.mode)
 		goto out;
-	if (uffdio_register.mode & ~(UFFDIO_REGISTER_MODE_MISSING|
-				     UFFDIO_REGISTER_MODE_WP))
+	if (uffdio_register.mode & ~UFFD_API_REGISTER_MODES)
 		goto out;
 	vm_flags = 0;
 	if (uffdio_register.mode & UFFDIO_REGISTER_MODE_MISSING)
 		vm_flags |= VM_UFFD_MISSING;
 	if (uffdio_register.mode & UFFDIO_REGISTER_MODE_WP)
 		vm_flags |= VM_UFFD_WP;
+	if (uffdio_register.mode & UFFDIO_REGISTER_MODE_MINOR) {
+#ifndef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+		goto out;
+#endif
+		vm_flags |= VM_UFFD_MINOR;
+	}
 
 	ret = validate_range(mm, uffdio_register.range.start,
 			     uffdio_register.range.len);
@@ -1325,7 +1353,7 @@
 		cond_resched();
 
 		BUG_ON(!!cur->vm_userfaultfd_ctx.ctx ^
-		       !!(cur->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP)));
+		       !!(cur->vm_flags & __VM_UFFD_FLAGS));
 
 		/* check not compatible vmas */
 		ret = -EINVAL;
@@ -1405,12 +1433,12 @@
 			start = vma->vm_start;
 		vma_end = min(end, vma->vm_end);
 
-		new_flags = (vma->vm_flags &
-			     ~(VM_UFFD_MISSING|VM_UFFD_WP)) | vm_flags;
+		new_flags = (vma->vm_flags & ~__VM_UFFD_FLAGS) | vm_flags;
 		prev = vma_merge(mm, prev, start, vma_end, new_flags,
 				 vma->anon_vma, vma->vm_file, vma->vm_pgoff,
 				 vma_policy(vma),
-				 ((struct vm_userfaultfd_ctx){ ctx }));
+				 ((struct vm_userfaultfd_ctx){ ctx }),
+				 anon_vma_name(vma));
 		if (prev) {
 			vma = prev;
 			goto next;
@@ -1431,8 +1459,13 @@
 		 * the next vma was merged into the current one and
 		 * the current one has not been updated yet.
 		 */
-		vma->vm_flags = new_flags;
+		vm_write_begin(vma);
+		WRITE_ONCE(vma->vm_flags, new_flags);
 		vma->vm_userfaultfd_ctx.ctx = ctx;
+		vm_write_end(vma);
+
+		if (is_vm_hugetlb_page(vma) && uffd_disable_huge_pmd_share(vma))
+			hugetlb_unshare_all_pmds(vma);
 
 	skip:
 		prev = vma;
@@ -1455,6 +1488,10 @@
 		if (!(uffdio_register.mode & UFFDIO_REGISTER_MODE_WP))
 			ioctls_out &= ~((__u64)1 << _UFFDIO_WRITEPROTECT);
 
+		/* CONTINUE ioctl is only supported for MINOR ranges. */
+		if (!(uffdio_register.mode & UFFDIO_REGISTER_MODE_MINOR))
+			ioctls_out &= ~((__u64)1 << _UFFDIO_CONTINUE);
+
 		/*
 		 * Now that we scanned all vmas we can already tell
 		 * userland which ioctls methods are guaranteed to
@@ -1525,7 +1562,7 @@
 		cond_resched();
 
 		BUG_ON(!!cur->vm_userfaultfd_ctx.ctx ^
-		       !!(cur->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP)));
+		       !!(cur->vm_flags & __VM_UFFD_FLAGS));
 
 		/*
 		 * Check not compatible vmas, not strictly required
@@ -1576,11 +1613,11 @@
 			wake_userfault(vma->vm_userfaultfd_ctx.ctx, &range);
 		}
 
-		new_flags = vma->vm_flags & ~(VM_UFFD_MISSING | VM_UFFD_WP);
+		new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;
 		prev = vma_merge(mm, prev, start, vma_end, new_flags,
 				 vma->anon_vma, vma->vm_file, vma->vm_pgoff,
 				 vma_policy(vma),
-				 NULL_VM_UFFD_CTX);
+				 NULL_VM_UFFD_CTX, anon_vma_name(vma));
 		if (prev) {
 			vma = prev;
 			goto next;
@@ -1601,8 +1638,10 @@
 		 * the next vma was merged into the current one and
 		 * the current one has not been updated yet.
 		 */
-		vma->vm_flags = new_flags;
+		vm_write_begin(vma);
+		WRITE_ONCE(vma->vm_flags, new_flags);
 		vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
+		vm_write_end(vma);
 
 	skip:
 		prev = vma;
@@ -1814,6 +1853,66 @@
 	return ret;
 }
 
+static int userfaultfd_continue(struct userfaultfd_ctx *ctx, unsigned long arg)
+{
+	__s64 ret;
+	struct uffdio_continue uffdio_continue;
+	struct uffdio_continue __user *user_uffdio_continue;
+	struct userfaultfd_wake_range range;
+
+	user_uffdio_continue = (struct uffdio_continue __user *)arg;
+
+	ret = -EAGAIN;
+	if (READ_ONCE(ctx->mmap_changing))
+		goto out;
+
+	ret = -EFAULT;
+	if (copy_from_user(&uffdio_continue, user_uffdio_continue,
+			   /* don't copy the output fields */
+			   sizeof(uffdio_continue) - (sizeof(__s64))))
+		goto out;
+
+	ret = validate_range(ctx->mm, uffdio_continue.range.start,
+			     uffdio_continue.range.len);
+	if (ret)
+		goto out;
+
+	ret = -EINVAL;
+	/* double check for wraparound just in case. */
+	if (uffdio_continue.range.start + uffdio_continue.range.len <=
+	    uffdio_continue.range.start) {
+		goto out;
+	}
+	if (uffdio_continue.mode & ~UFFDIO_CONTINUE_MODE_DONTWAKE)
+		goto out;
+
+	if (mmget_not_zero(ctx->mm)) {
+		ret = mcopy_continue(ctx->mm, uffdio_continue.range.start,
+				     uffdio_continue.range.len,
+				     &ctx->mmap_changing);
+		mmput(ctx->mm);
+	} else {
+		return -ESRCH;
+	}
+
+	if (unlikely(put_user(ret, &user_uffdio_continue->mapped)))
+		return -EFAULT;
+	if (ret < 0)
+		goto out;
+
+	/* len == 0 would wake all */
+	BUG_ON(!ret);
+	range.len = ret;
+	if (!(uffdio_continue.mode & UFFDIO_CONTINUE_MODE_DONTWAKE)) {
+		range.start = uffdio_continue.range.start;
+		wake_userfault(ctx, &range);
+	}
+	ret = range.len == uffdio_continue.range.len ? 0 : -EAGAIN;
+
+out:
+	return ret;
+}
+
 static inline unsigned int uffd_ctx_features(__u64 user_features)
 {
 	/*
@@ -1849,6 +1948,10 @@
 		goto err_out;
 	/* report all available features and ioctls to userland */
 	uffdio_api.features = UFFD_API_FEATURES;
+#ifndef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+	uffdio_api.features &=
+		~(UFFD_FEATURE_MINOR_HUGETLBFS | UFFD_FEATURE_MINOR_SHMEM);
+#endif
 	uffdio_api.ioctls = UFFD_API_IOCTLS;
 	ret = -EFAULT;
 	if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api)))
@@ -1901,6 +2004,9 @@
 	case UFFDIO_WRITEPROTECT:
 		ret = userfaultfd_writeprotect(ctx, arg);
 		break;
+	case UFFDIO_CONTINUE:
+		ret = userfaultfd_continue(ctx, arg);
+		break;
 	}
 	return ret;
 }
@@ -1961,16 +2067,23 @@
 	struct userfaultfd_ctx *ctx;
 	int fd;
 
-	if (!sysctl_unprivileged_userfaultfd && !capable(CAP_SYS_PTRACE))
+	if (!sysctl_unprivileged_userfaultfd &&
+	    (flags & UFFD_USER_MODE_ONLY) == 0 &&
+	    !capable(CAP_SYS_PTRACE)) {
+		printk_once(KERN_WARNING "uffd: Set unprivileged_userfaultfd "
+			"sysctl knob to 1 if kernel faults must be handled "
+			"without obtaining CAP_SYS_PTRACE capability\n");
 		return -EPERM;
+	}
 
 	BUG_ON(!current->mm);
 
 	/* Check the UFFD_* constants for consistency.  */
+	BUILD_BUG_ON(UFFD_USER_MODE_ONLY & UFFD_SHARED_FCNTL_FLAGS);
 	BUILD_BUG_ON(UFFD_CLOEXEC != O_CLOEXEC);
 	BUILD_BUG_ON(UFFD_NONBLOCK != O_NONBLOCK);
 
-	if (flags & ~UFFD_SHARED_FCNTL_FLAGS)
+	if (flags & ~(UFFD_SHARED_FCNTL_FLAGS | UFFD_USER_MODE_ONLY))
 		return -EINVAL;
 
 	ctx = kmem_cache_alloc(userfaultfd_ctx_cachep, GFP_KERNEL);
@@ -1986,8 +2099,8 @@
 	/* prevent the mm struct to be freed */
 	mmgrab(ctx->mm);
 
-	fd = anon_inode_getfd("[userfaultfd]", &userfaultfd_fops, ctx,
-			      O_RDONLY | (flags & UFFD_SHARED_FCNTL_FLAGS));
+	fd = anon_inode_getfd_secure("[userfaultfd]", &userfaultfd_fops, ctx,
+			O_RDONLY | (flags & UFFD_SHARED_FCNTL_FLAGS), NULL);
 	if (fd < 0) {
 		mmdrop(ctx->mm);
 		kmem_cache_free(userfaultfd_ctx_cachep, ctx);
diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
index c578e77..0d4a040 100644
--- a/fs/vboxsf/super.c
+++ b/fs/vboxsf/super.c
@@ -482,4 +482,5 @@
 MODULE_DESCRIPTION("Oracle VM VirtualBox Module for Host File System Access");
 MODULE_AUTHOR("Oracle Corporation");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 MODULE_ALIAS_FS("vboxsf");
diff --git a/fs/verity/Kconfig b/fs/verity/Kconfig
index 88fb251..24d1b54 100644
--- a/fs/verity/Kconfig
+++ b/fs/verity/Kconfig
@@ -3,9 +3,13 @@
 config FS_VERITY
 	bool "FS Verity (read-only file-based authenticity protection)"
 	select CRYPTO
-	# SHA-256 is selected as it's intended to be the default hash algorithm.
+	# SHA-256 is implied as it's intended to be the default hash algorithm.
 	# To avoid bloat, other wanted algorithms must be selected explicitly.
-	select CRYPTO_SHA256
+	# Note that CRYPTO_SHA256 denotes the generic C implementation, but
+	# some architectures provided optimized implementations of the same
+	# algorithm that may be used instead. In this case, CRYPTO_SHA256 may
+	# be omitted even if SHA-256 is being used.
+	imply CRYPTO_SHA256
 	help
 	  This option enables fs-verity.  fs-verity is the dm-verity
 	  mechanism implemented at the file level.  On supported
diff --git a/fs/verity/Makefile b/fs/verity/Makefile
index 570e913..4b83234 100644
--- a/fs/verity/Makefile
+++ b/fs/verity/Makefile
@@ -1,10 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0
 
+ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=ANDROID_GKI_VFS_EXPORT_ONLY
+
 obj-$(CONFIG_FS_VERITY) += enable.o \
 			   hash_algs.o \
 			   init.o \
 			   measure.o \
 			   open.o \
+			   read_metadata.o \
 			   verify.o
 
 obj-$(CONFIG_FS_VERITY_BUILTIN_SIGNATURES) += signature.o
diff --git a/fs/verity/enable.c b/fs/verity/enable.c
index 5ceae66..dbabea7 100644
--- a/fs/verity/enable.c
+++ b/fs/verity/enable.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * fs/verity/enable.c: ioctl to enable verity on a file
+ * Ioctl to enable verity on a file
  *
  * Copyright 2019 Google LLC
  */
diff --git a/fs/verity/fsverity_private.h b/fs/verity/fsverity_private.h
index e96d99d..a275cad 100644
--- a/fs/verity/fsverity_private.h
+++ b/fs/verity/fsverity_private.h
@@ -67,52 +67,22 @@
  * When a verity file is first opened, an instance of this struct is allocated
  * and stored in ->i_verity_info; it remains until the inode is evicted.  It
  * caches information about the Merkle tree that's needed to efficiently verify
- * data read from the file.  It also caches the file measurement.  The Merkle
- * tree pages themselves are not cached here, but the filesystem may cache them.
+ * data read from the file.  It also caches the file digest.  The Merkle tree
+ * pages themselves are not cached here, but the filesystem may cache them.
  */
 struct fsverity_info {
 	struct merkle_tree_params tree_params;
 	u8 root_hash[FS_VERITY_MAX_DIGEST_SIZE];
-	u8 measurement[FS_VERITY_MAX_DIGEST_SIZE];
+	u8 file_digest[FS_VERITY_MAX_DIGEST_SIZE];
 	const struct inode *inode;
 };
 
-/*
- * Merkle tree properties.  The file measurement is the hash of this structure
- * excluding the signature and with the sig_size field set to 0.
- */
-struct fsverity_descriptor {
-	__u8 version;		/* must be 1 */
-	__u8 hash_algorithm;	/* Merkle tree hash algorithm */
-	__u8 log_blocksize;	/* log2 of size of data and tree blocks */
-	__u8 salt_size;		/* size of salt in bytes; 0 if none */
-	__le32 sig_size;	/* size of signature in bytes; 0 if none */
-	__le64 data_size;	/* size of file the Merkle tree is built over */
-	__u8 root_hash[64];	/* Merkle tree root hash */
-	__u8 salt[32];		/* salt prepended to each hashed block */
-	__u8 __reserved[144];	/* must be 0's */
-	__u8 signature[];	/* optional PKCS#7 signature */
-};
-
 /* Arbitrary limit to bound the kmalloc() size.  Can be changed. */
 #define FS_VERITY_MAX_DESCRIPTOR_SIZE	16384
 
 #define FS_VERITY_MAX_SIGNATURE_SIZE	(FS_VERITY_MAX_DESCRIPTOR_SIZE - \
 					 sizeof(struct fsverity_descriptor))
 
-/*
- * Format in which verity file measurements are signed.  This is the same as
- * 'struct fsverity_digest', except here some magic bytes are prepended to
- * provide some context about what is being signed in case the same key is used
- * for non-fsverity purposes, and here the fields have fixed endianness.
- */
-struct fsverity_signed_digest {
-	char magic[8];			/* must be "FSVerity" */
-	__le16 digest_algorithm;
-	__le16 digest_size;
-	__u8 digest[];
-};
-
 /* hash_algs.c */
 
 extern struct fsverity_hash_alg fsverity_hash_algs[];
@@ -152,12 +122,17 @@
 				     const u8 *salt, size_t salt_size);
 
 struct fsverity_info *fsverity_create_info(const struct inode *inode,
-					   void *desc, size_t desc_size);
+					   struct fsverity_descriptor *desc,
+					   size_t desc_size);
 
 void fsverity_set_info(struct inode *inode, struct fsverity_info *vi);
 
 void fsverity_free_info(struct fsverity_info *vi);
 
+int fsverity_get_descriptor(struct inode *inode,
+			    struct fsverity_descriptor **desc_ret,
+			    size_t *desc_size_ret);
+
 int __init fsverity_init_info_cache(void);
 void __init fsverity_exit_info_cache(void);
 
@@ -165,15 +140,13 @@
 
 #ifdef CONFIG_FS_VERITY_BUILTIN_SIGNATURES
 int fsverity_verify_signature(const struct fsverity_info *vi,
-			      const struct fsverity_descriptor *desc,
-			      size_t desc_size);
+			      const u8 *signature, size_t sig_size);
 
 int __init fsverity_init_signature(void);
 #else /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */
 static inline int
 fsverity_verify_signature(const struct fsverity_info *vi,
-			  const struct fsverity_descriptor *desc,
-			  size_t desc_size)
+			  const u8 *signature, size_t sig_size)
 {
 	return 0;
 }
diff --git a/fs/verity/hash_algs.c b/fs/verity/hash_algs.c
index c37e186..71d0fcc 100644
--- a/fs/verity/hash_algs.c
+++ b/fs/verity/hash_algs.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * fs/verity/hash_algs.c: fs-verity hash algorithms
+ * fs-verity hash algorithms
  *
  * Copyright 2019 Google LLC
  */
diff --git a/fs/verity/init.c b/fs/verity/init.c
index 94c104e..c98b701 100644
--- a/fs/verity/init.c
+++ b/fs/verity/init.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * fs/verity/init.c: fs-verity module initialization and logging
+ * fs-verity module initialization and logging
  *
  * Copyright 2019 Google LLC
  */
diff --git a/fs/verity/measure.c b/fs/verity/measure.c
index df409a5..f0d7b30 100644
--- a/fs/verity/measure.c
+++ b/fs/verity/measure.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * fs/verity/measure.c: ioctl to get a verity file's measurement
+ * Ioctl to get a verity file's digest
  *
  * Copyright 2019 Google LLC
  */
@@ -10,12 +10,12 @@
 #include <linux/uaccess.h>
 
 /**
- * fsverity_ioctl_measure() - get a verity file's measurement
- * @filp: file to get measurement of
+ * fsverity_ioctl_measure() - get a verity file's digest
+ * @filp: file to get digest of
  * @_uarg: user pointer to fsverity_digest
  *
- * Retrieve the file measurement that the kernel is enforcing for reads from a
- * verity file.  See the "FS_IOC_MEASURE_VERITY" section of
+ * Retrieve the file digest that the kernel is enforcing for reads from a verity
+ * file.  See the "FS_IOC_MEASURE_VERITY" section of
  * Documentation/filesystems/fsverity.rst for the documentation.
  *
  * Return: 0 on success, -errno on failure
@@ -51,7 +51,7 @@
 	if (copy_to_user(uarg, &arg, sizeof(arg)))
 		return -EFAULT;
 
-	if (copy_to_user(uarg->digest, vi->measurement, hash_alg->digest_size))
+	if (copy_to_user(uarg->digest, vi->file_digest, hash_alg->digest_size))
 		return -EFAULT;
 
 	return 0;
diff --git a/fs/verity/open.c b/fs/verity/open.c
index 67d71f7..92df87f5 100644
--- a/fs/verity/open.c
+++ b/fs/verity/open.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * fs/verity/open.c: opening fs-verity files
+ * Opening fs-verity files
  *
  * Copyright 2019 Google LLC
  */
@@ -124,63 +124,35 @@
 }
 
 /*
- * Compute the file measurement by hashing the fsverity_descriptor excluding the
+ * Compute the file digest by hashing the fsverity_descriptor excluding the
  * signature and with the sig_size field set to 0.
  */
-static int compute_file_measurement(struct fsverity_hash_alg *hash_alg,
-				    struct fsverity_descriptor *desc,
-				    u8 *measurement)
+static int compute_file_digest(struct fsverity_hash_alg *hash_alg,
+			       struct fsverity_descriptor *desc,
+			       u8 *file_digest)
 {
 	__le32 sig_size = desc->sig_size;
 	int err;
 
 	desc->sig_size = 0;
-	err = fsverity_hash_buffer(hash_alg, desc, sizeof(*desc), measurement);
+	err = fsverity_hash_buffer(hash_alg, desc, sizeof(*desc), file_digest);
 	desc->sig_size = sig_size;
 
 	return err;
 }
 
 /*
- * Validate the given fsverity_descriptor and create a new fsverity_info from
- * it.  The signature (if present) is also checked.
+ * Create a new fsverity_info from the given fsverity_descriptor (with optional
+ * appended signature), and check the signature if present.  The
+ * fsverity_descriptor must have already undergone basic validation.
  */
 struct fsverity_info *fsverity_create_info(const struct inode *inode,
-					   void *_desc, size_t desc_size)
+					   struct fsverity_descriptor *desc,
+					   size_t desc_size)
 {
-	struct fsverity_descriptor *desc = _desc;
 	struct fsverity_info *vi;
 	int err;
 
-	if (desc_size < sizeof(*desc)) {
-		fsverity_err(inode, "Unrecognized descriptor size: %zu bytes",
-			     desc_size);
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (desc->version != 1) {
-		fsverity_err(inode, "Unrecognized descriptor version: %u",
-			     desc->version);
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (memchr_inv(desc->__reserved, 0, sizeof(desc->__reserved))) {
-		fsverity_err(inode, "Reserved bits set in descriptor");
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (desc->salt_size > sizeof(desc->salt)) {
-		fsverity_err(inode, "Invalid salt_size: %u", desc->salt_size);
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (le64_to_cpu(desc->data_size) != inode->i_size) {
-		fsverity_err(inode,
-			     "Wrong data_size: %llu (desc) != %lld (inode)",
-			     le64_to_cpu(desc->data_size), inode->i_size);
-		return ERR_PTR(-EINVAL);
-	}
-
 	vi = kmem_cache_zalloc(fsverity_info_cachep, GFP_KERNEL);
 	if (!vi)
 		return ERR_PTR(-ENOMEM);
@@ -199,17 +171,18 @@
 
 	memcpy(vi->root_hash, desc->root_hash, vi->tree_params.digest_size);
 
-	err = compute_file_measurement(vi->tree_params.hash_alg, desc,
-				       vi->measurement);
+	err = compute_file_digest(vi->tree_params.hash_alg, desc,
+				  vi->file_digest);
 	if (err) {
-		fsverity_err(inode, "Error %d computing file measurement", err);
+		fsverity_err(inode, "Error %d computing file digest", err);
 		goto out;
 	}
-	pr_debug("Computed file measurement: %s:%*phN\n",
+	pr_debug("Computed file digest: %s:%*phN\n",
 		 vi->tree_params.hash_alg->name,
-		 vi->tree_params.digest_size, vi->measurement);
+		 vi->tree_params.digest_size, vi->file_digest);
 
-	err = fsverity_verify_signature(vi, desc, desc_size);
+	err = fsverity_verify_signature(vi, desc->signature,
+					le32_to_cpu(desc->sig_size));
 out:
 	if (err) {
 		fsverity_free_info(vi);
@@ -245,15 +218,57 @@
 	kmem_cache_free(fsverity_info_cachep, vi);
 }
 
-/* Ensure the inode has an ->i_verity_info */
-static int ensure_verity_info(struct inode *inode)
+static bool validate_fsverity_descriptor(struct inode *inode,
+					 const struct fsverity_descriptor *desc,
+					 size_t desc_size)
 {
-	struct fsverity_info *vi = fsverity_get_info(inode);
-	struct fsverity_descriptor *desc;
-	int res;
+	if (desc_size < sizeof(*desc)) {
+		fsverity_err(inode, "Unrecognized descriptor size: %zu bytes",
+			     desc_size);
+		return false;
+	}
 
-	if (vi)
-		return 0;
+	if (desc->version != 1) {
+		fsverity_err(inode, "Unrecognized descriptor version: %u",
+			     desc->version);
+		return false;
+	}
+
+	if (memchr_inv(desc->__reserved, 0, sizeof(desc->__reserved))) {
+		fsverity_err(inode, "Reserved bits set in descriptor");
+		return false;
+	}
+
+	if (desc->salt_size > sizeof(desc->salt)) {
+		fsverity_err(inode, "Invalid salt_size: %u", desc->salt_size);
+		return false;
+	}
+
+	if (le64_to_cpu(desc->data_size) != inode->i_size) {
+		fsverity_err(inode,
+			     "Wrong data_size: %llu (desc) != %lld (inode)",
+			     le64_to_cpu(desc->data_size), inode->i_size);
+		return false;
+	}
+
+	if (le32_to_cpu(desc->sig_size) > desc_size - sizeof(*desc)) {
+		fsverity_err(inode, "Signature overflows verity descriptor");
+		return false;
+	}
+
+	return true;
+}
+
+/*
+ * Read the inode's fsverity_descriptor (with optional appended signature) from
+ * the filesystem, and do basic validation of it.
+ */
+int fsverity_get_descriptor(struct inode *inode,
+			    struct fsverity_descriptor **desc_ret,
+			    size_t *desc_size_ret)
+{
+	int res;
+	struct fsverity_descriptor *desc;
 
 	res = inode->i_sb->s_vop->get_verity_descriptor(inode, NULL, 0);
 	if (res < 0) {
@@ -272,20 +287,46 @@
 	res = inode->i_sb->s_vop->get_verity_descriptor(inode, desc, res);
 	if (res < 0) {
 		fsverity_err(inode, "Error %d reading verity descriptor", res);
-		goto out_free_desc;
+		kfree(desc);
+		return res;
 	}
 
-	vi = fsverity_create_info(inode, desc, res);
+	if (!validate_fsverity_descriptor(inode, desc, res)) {
+		kfree(desc);
+		return -EINVAL;
+	}
+
+	*desc_ret = desc;
+	*desc_size_ret = res;
+	return 0;
+}
+
+/* Ensure the inode has an ->i_verity_info */
+static int ensure_verity_info(struct inode *inode)
+{
+	struct fsverity_info *vi = fsverity_get_info(inode);
+	struct fsverity_descriptor *desc;
+	size_t desc_size;
+	int err;
+
+	if (vi)
+		return 0;
+
+	err = fsverity_get_descriptor(inode, &desc, &desc_size);
+	if (err)
+		return err;
+
+	vi = fsverity_create_info(inode, desc, desc_size);
 	if (IS_ERR(vi)) {
-		res = PTR_ERR(vi);
+		err = PTR_ERR(vi);
 		goto out_free_desc;
 	}
 
 	fsverity_set_info(inode, vi);
-	res = 0;
+	err = 0;
 out_free_desc:
 	kfree(desc);
-	return res;
+	return err;
 }
 
 /**
@@ -354,7 +395,7 @@
 {
 	fsverity_info_cachep = KMEM_CACHE_USERCOPY(fsverity_info,
 						   SLAB_RECLAIM_ACCOUNT,
-						   measurement);
+						   file_digest);
 	if (!fsverity_info_cachep)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/verity/read_metadata.c b/fs/verity/read_metadata.c
new file mode 100644
index 0000000..7e2d0c7
--- /dev/null
+++ b/fs/verity/read_metadata.c
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Ioctl to read verity metadata
+ *
+ * Copyright 2021 Google LLC
+ */
+
+#include "fsverity_private.h"
+
+#include <linux/backing-dev.h>
+#include <linux/highmem.h>
+#include <linux/sched/signal.h>
+#include <linux/uaccess.h>
+
+static int fsverity_read_merkle_tree(struct inode *inode,
+				     const struct fsverity_info *vi,
+				     void __user *buf, u64 offset, int length)
+{
+	const struct fsverity_operations *vops = inode->i_sb->s_vop;
+	u64 end_offset;
+	unsigned int offs_in_page;
+	pgoff_t index, last_index;
+	int retval = 0;
+	int err = 0;
+
+	end_offset = min(offset + length, vi->tree_params.tree_size);
+	if (offset >= end_offset)
+		return 0;
+	offs_in_page = offset_in_page(offset);
+	last_index = (end_offset - 1) >> PAGE_SHIFT;
+
+	/*
+	 * Iterate through each Merkle tree page in the requested range and copy
+	 * the requested portion to userspace.  Note that the Merkle tree block
+	 * size isn't important here, as we are returning a byte stream; i.e.,
+	 * we can just work with pages even if the tree block size != PAGE_SIZE.
+	 */
+	for (index = offset >> PAGE_SHIFT; index <= last_index; index++) {
+		unsigned long num_ra_pages =
+			min_t(unsigned long, last_index - index + 1,
+			      inode->i_sb->s_bdi->io_pages);
+		unsigned int bytes_to_copy = min_t(u64, end_offset - offset,
+						   PAGE_SIZE - offs_in_page);
+		struct page *page;
+		const void *virt;
+
+		page = vops->read_merkle_tree_page(inode, index, num_ra_pages);
+		if (IS_ERR(page)) {
+			err = PTR_ERR(page);
+			fsverity_err(inode,
+				     "Error %d reading Merkle tree page %lu",
+				     err, index);
+			break;
+		}
+
+		virt = kmap(page);
+		if (copy_to_user(buf, virt + offs_in_page, bytes_to_copy)) {
+			kunmap(page);
+			put_page(page);
+			err = -EFAULT;
+			break;
+		}
+		kunmap(page);
+		put_page(page);
+
+		retval += bytes_to_copy;
+		buf += bytes_to_copy;
+		offset += bytes_to_copy;
+
+		if (fatal_signal_pending(current))  {
+			err = -EINTR;
+			break;
+		}
+		cond_resched();
+		offs_in_page = 0;
+	}
+	return retval ? retval : err;
+}
+
+/* Copy the requested portion of the buffer to userspace. */
+static int fsverity_read_buffer(void __user *dst, u64 offset, int length,
+				const void *src, size_t src_length)
+{
+	if (offset >= src_length)
+		return 0;
+	src += offset;
+	src_length -= offset;
+
+	length = min_t(size_t, length, src_length);
+
+	if (copy_to_user(dst, src, length))
+		return -EFAULT;
+
+	return length;
+}
+
+static int fsverity_read_descriptor(struct inode *inode,
+				    void __user *buf, u64 offset, int length)
+{
+	struct fsverity_descriptor *desc;
+	size_t desc_size;
+	int res;
+
+	res = fsverity_get_descriptor(inode, &desc, &desc_size);
+	if (res)
+		return res;
+
+	/* don't include the signature */
+	desc_size = offsetof(struct fsverity_descriptor, signature);
+	desc->sig_size = 0;
+
+	res = fsverity_read_buffer(buf, offset, length, desc, desc_size);
+
+	kfree(desc);
+	return res;
+}
+
+static int fsverity_read_signature(struct inode *inode,
+				   void __user *buf, u64 offset, int length)
+{
+	struct fsverity_descriptor *desc;
+	size_t desc_size;
+	int res;
+
+	res = fsverity_get_descriptor(inode, &desc, &desc_size);
+	if (res)
+		return res;
+
+	if (desc->sig_size == 0) {
+		res = -ENODATA;
+		goto out;
+	}
+
+	/*
+	 * Include only the signature.  Note that fsverity_get_descriptor()
+	 * already verified that sig_size is in-bounds.
+	 */
+	res = fsverity_read_buffer(buf, offset, length, desc->signature,
+				   le32_to_cpu(desc->sig_size));
+out:
+	kfree(desc);
+	return res;
+}
+
+/**
+ * fsverity_ioctl_read_metadata() - read verity metadata from a file
+ * @filp: file to read the metadata from
+ * @uarg: user pointer to fsverity_read_metadata_arg
+ *
+ * Return: length read on success, 0 on EOF, -errno on failure
+ */
+int fsverity_ioctl_read_metadata(struct file *filp, const void __user *uarg)
+{
+	struct inode *inode = file_inode(filp);
+	const struct fsverity_info *vi;
+	struct fsverity_read_metadata_arg arg;
+	int length;
+	void __user *buf;
+
+	vi = fsverity_get_info(inode);
+	if (!vi)
+		return -ENODATA; /* not a verity file */
+	/*
+	 * Note that we don't have to explicitly check that the file is open for
+	 * reading, since verity files can only be opened for reading.
+	 */
+
+	if (copy_from_user(&arg, uarg, sizeof(arg)))
+		return -EFAULT;
+
+	if (arg.__reserved)
+		return -EINVAL;
+
+	/* offset + length must not overflow. */
+	if (arg.offset + arg.length < arg.offset)
+		return -EINVAL;
+
+	/* Ensure that the return value will fit in INT_MAX. */
+	length = min_t(u64, arg.length, INT_MAX);
+
+	buf = u64_to_user_ptr(arg.buf_ptr);
+
+	switch (arg.metadata_type) {
+	case FS_VERITY_METADATA_TYPE_MERKLE_TREE:
+		return fsverity_read_merkle_tree(inode, vi, buf, arg.offset,
+						 length);
+	case FS_VERITY_METADATA_TYPE_DESCRIPTOR:
+		return fsverity_read_descriptor(inode, buf, arg.offset, length);
+	case FS_VERITY_METADATA_TYPE_SIGNATURE:
+		return fsverity_read_signature(inode, buf, arg.offset, length);
+	default:
+		return -EINVAL;
+	}
+}
+EXPORT_SYMBOL_GPL(fsverity_ioctl_read_metadata);
diff --git a/fs/verity/signature.c b/fs/verity/signature.c
index ed32afc..f823fb3 100644
--- a/fs/verity/signature.c
+++ b/fs/verity/signature.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * fs/verity/signature.c: verification of builtin signatures
+ * Verification of builtin signatures
  *
  * Copyright 2019 Google LLC
  */
@@ -29,24 +29,49 @@
 /**
  * fsverity_verify_signature() - check a verity file's signature
  * @vi: the file's fsverity_info
- * @desc: the file's fsverity_descriptor
- * @desc_size: size of @desc
+ * @signature: the file's built-in signature
+ * @sig_size: size of signature in bytes, or 0 if no signature
  *
- * If the file's fs-verity descriptor includes a signature of the file
- * measurement, verify it against the certificates in the fs-verity keyring.
+ * If the file includes a signature of its fs-verity file digest, verify it
+ * against the certificates in the fs-verity keyring.
  *
  * Return: 0 on success (signature valid or not required); -errno on failure
  */
 int fsverity_verify_signature(const struct fsverity_info *vi,
-			      const struct fsverity_descriptor *desc,
-			      size_t desc_size)
+			      const u8 *signature, size_t sig_size)
 {
-	const struct inode *inode = vi->inode;
-	const struct fsverity_hash_alg *hash_alg = vi->tree_params.hash_alg;
-	const u32 sig_size = le32_to_cpu(desc->sig_size);
-	struct fsverity_signed_digest *d;
+	unsigned int digest_algorithm =
+		vi->tree_params.hash_alg - fsverity_hash_algs;
+
+	return __fsverity_verify_signature(vi->inode, signature, sig_size,
+					   vi->file_digest, digest_algorithm);
+}
+
+/**
+ * __fsverity_verify_signature() - check a verity file's signature
+ * @inode: the file's inode
+ * @signature: the file's signature
+ * @sig_size: size of @signature. Can be 0 if there is no signature
+ * @file_digest: the file's digest
+ * @digest_algorithm: the digest algorithm used
+ *
+ * Takes the file's digest and optional signature and verifies the signature
+ * against the digest and the fs-verity keyring if appropriate
+ *
+ * Return: 0 on success (signature valid or not required); -errno on failure
+ */
+int __fsverity_verify_signature(const struct inode *inode, const u8 *signature,
+				size_t sig_size, const u8 *file_digest,
+				unsigned int digest_algorithm)
+{
+	struct fsverity_formatted_digest *d;
+	struct fsverity_hash_alg *hash_alg = fsverity_get_hash_alg(inode,
+							digest_algorithm);
 	int err;
 
+	if (IS_ERR(hash_alg))
+		return PTR_ERR(hash_alg);
+
 	if (sig_size == 0) {
 		if (fsverity_require_signatures) {
 			fsverity_err(inode,
@@ -56,11 +81,6 @@
 		return 0;
 	}
 
-	if (sig_size > desc_size - sizeof(*desc)) {
-		fsverity_err(inode, "Signature overflows verity descriptor");
-		return -EBADMSG;
-	}
-
 	if (fsverity_keyring->keys.nr_leaves_on_tree == 0) {
 		/*
 		 * The ".fs-verity" keyring is empty, due to builtin signatures
@@ -83,11 +103,10 @@
 	memcpy(d->magic, "FSVerity", 8);
 	d->digest_algorithm = cpu_to_le16(hash_alg - fsverity_hash_algs);
 	d->digest_size = cpu_to_le16(hash_alg->digest_size);
-	memcpy(d->digest, vi->measurement, hash_alg->digest_size);
+	memcpy(d->digest, file_digest, hash_alg->digest_size);
 
 	err = verify_pkcs7_signature(d, sizeof(*d) + hash_alg->digest_size,
-				     desc->signature, sig_size,
-				     fsverity_keyring,
+				     signature, sig_size, fsverity_keyring,
 				     VERIFYING_UNSPECIFIED_SIGNATURE,
 				     NULL, NULL);
 	kfree(d);
@@ -106,10 +125,11 @@
 		return err;
 	}
 
-	pr_debug("Valid signature for file measurement %s:%*phN\n",
-		 hash_alg->name, hash_alg->digest_size, vi->measurement);
+	pr_debug("Valid signature for file digest %s:%*phN\n",
+		 hash_alg->name, hash_alg->digest_size, file_digest);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(__fsverity_verify_signature);
 
 #ifdef CONFIG_SYSCTL
 static struct ctl_table_header *fsverity_sysctl_header;
diff --git a/fs/verity/verify.c b/fs/verity/verify.c
index d3a3a35..10e4188 100644
--- a/fs/verity/verify.c
+++ b/fs/verity/verify.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * fs/verity/verify.c: data verification functions, i.e. hooks for ->readpages()
+ * Data verification functions, i.e. hooks for ->readpages()
  *
  * Copyright 2019 Google LLC
  */
diff --git a/fs/xattr.c b/fs/xattr.c
index 5a03eaa..8d71514 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -291,7 +291,7 @@
 	}
 	return error;
 }
-EXPORT_SYMBOL_GPL(vfs_setxattr);
+EXPORT_SYMBOL_NS_GPL(vfs_setxattr, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 static ssize_t
 xattr_getsecurity(struct inode *inode, const char *name, void *value,
@@ -345,7 +345,7 @@
 		return PTR_ERR(handler);
 	if (!handler->get)
 		return -EOPNOTSUPP;
-	error = handler->get(handler, dentry, inode, name, NULL, 0);
+	error = handler->get(handler, dentry, inode, name, NULL, 0, 0);
 	if (error < 0)
 		return error;
 
@@ -356,32 +356,20 @@
 		memset(value, 0, error + 1);
 	}
 
-	error = handler->get(handler, dentry, inode, name, value, error);
+	error = handler->get(handler, dentry, inode, name, value, error, 0);
 	*xattr_value = value;
 	return error;
 }
 
 ssize_t
 __vfs_getxattr(struct dentry *dentry, struct inode *inode, const char *name,
-	       void *value, size_t size)
+	       void *value, size_t size, int flags)
 {
 	const struct xattr_handler *handler;
-
-	handler = xattr_resolve_name(inode, &name);
-	if (IS_ERR(handler))
-		return PTR_ERR(handler);
-	if (!handler->get)
-		return -EOPNOTSUPP;
-	return handler->get(handler, dentry, inode, name, value, size);
-}
-EXPORT_SYMBOL(__vfs_getxattr);
-
-ssize_t
-vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
-{
-	struct inode *inode = dentry->d_inode;
 	int error;
 
+	if (flags & XATTR_NOSECURITY)
+		goto nolsm;
 	error = xattr_permission(inode, name, MAY_READ);
 	if (error)
 		return error;
@@ -403,9 +391,21 @@
 		return ret;
 	}
 nolsm:
-	return __vfs_getxattr(dentry, inode, name, value, size);
+	handler = xattr_resolve_name(inode, &name);
+	if (IS_ERR(handler))
+		return PTR_ERR(handler);
+	if (!handler->get)
+		return -EOPNOTSUPP;
+	return handler->get(handler, dentry, inode, name, value, size, flags);
 }
-EXPORT_SYMBOL_GPL(vfs_getxattr);
+EXPORT_SYMBOL(__vfs_getxattr);
+
+ssize_t
+vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
+{
+	return __vfs_getxattr(dentry, dentry->d_inode, name, value, size, 0);
+}
+EXPORT_SYMBOL_NS_GPL(vfs_getxattr, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 ssize_t
 vfs_listxattr(struct dentry *dentry, char *list, size_t size)
@@ -425,7 +425,7 @@
 	}
 	return error;
 }
-EXPORT_SYMBOL_GPL(vfs_listxattr);
+EXPORT_SYMBOL_NS_GPL(vfs_listxattr, ANDROID_GKI_VFS_EXPORT_ONLY);
 
 int
 __vfs_removexattr(struct dentry *dentry, const char *name)
diff --git a/fs/xfs/xfs_bio_io.c b/fs/xfs/xfs_bio_io.c
index e2148f2..17f36db 100644
--- a/fs/xfs/xfs_bio_io.c
+++ b/fs/xfs/xfs_bio_io.c
@@ -6,7 +6,7 @@
 
 static inline unsigned int bio_max_vecs(unsigned int count)
 {
-	return min_t(unsigned, howmany(count, PAGE_SIZE), BIO_MAX_PAGES);
+	return bio_max_segs(howmany(count, PAGE_SIZE));
 }
 
 int
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 1188190..616c4ef 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1480,7 +1480,7 @@
 	int		op)
 {
 	int		page_index;
-	int		total_nr_pages = bp->b_page_count;
+	unsigned int	total_nr_pages = bp->b_page_count;
 	int		nr_pages;
 	struct bio	*bio;
 	sector_t	sector =  bp->b_maps[map].bm_bn;
@@ -1505,7 +1505,7 @@
 
 next_chunk:
 	atomic_inc(&bp->b_io_remaining);
-	nr_pages = min(total_nr_pages, BIO_MAX_PAGES);
+	nr_pages = bio_max_segs(total_nr_pages);
 
 	bio = bio_alloc(GFP_NOIO, nr_pages);
 	bio_set_dev(bio, bp->b_target->bt_bdev);
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 9b6c5ba..3bc6d1e4e 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1336,17 +1336,19 @@
 	return __xfs_filemap_fault(vmf, PE_SIZE_PTE, true);
 }
 
-static void
+static vm_fault_t
 xfs_filemap_map_pages(
 	struct vm_fault		*vmf,
 	pgoff_t			start_pgoff,
 	pgoff_t			end_pgoff)
 {
 	struct inode		*inode = file_inode(vmf->vma->vm_file);
+	vm_fault_t ret;
 
 	xfs_ilock(XFS_I(inode), XFS_MMAPLOCK_SHARED);
-	filemap_map_pages(vmf, start_pgoff, end_pgoff);
+	ret = filemap_map_pages(vmf, start_pgoff, end_pgoff);
 	xfs_iunlock(XFS_I(inode), XFS_MMAPLOCK_SHARED);
+	return ret;
 }
 
 static const struct vm_operations_struct xfs_file_vm_ops = {
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 775f833..b514db6 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -423,13 +423,10 @@
 {
 	switch (inflags) {
 	case XFS_FSOP_GOING_FLAGS_DEFAULT: {
-		struct super_block *sb = freeze_bdev(mp->m_super->s_bdev);
-
-		if (sb && !IS_ERR(sb)) {
+		if (!freeze_bdev(mp->m_super->s_bdev)) {
 			xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);
-			thaw_bdev(sb->s_bdev, sb);
+			thaw_bdev(mp->m_super->s_bdev);
 		}
-
 		break;
 	}
 	case XFS_FSOP_GOING_FLAGS_LOGFLUSH:
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 434c87cc9f..a21abc4 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -2257,3 +2257,4 @@
 MODULE_AUTHOR("Silicon Graphics, Inc.");
 MODULE_DESCRIPTION(XFS_VERSION_STRING " with " XFS_BUILD_OPTIONS " enabled");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index bca48b3..dd81d10 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -19,7 +19,8 @@
 
 static int
 xfs_xattr_get(const struct xattr_handler *handler, struct dentry *unused,
-		struct inode *inode, const char *name, void *value, size_t size)
+		struct inode *inode, const char *name, void *value, size_t size,
+		int flags)
 {
 	struct xfs_da_args	args = {
 		.dp		= XFS_I(inode),
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index b9522ee..e170da5 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -1908,5 +1908,6 @@
 MODULE_DESCRIPTION("Zone file system for zoned block devices");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_FS("zonefs");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
 module_init(zonefs_init);
 module_exit(zonefs_exit);
diff --git a/include/asm-generic/export.h b/include/asm-generic/export.h
index 365345f..07a36a8 100644
--- a/include/asm-generic/export.h
+++ b/include/asm-generic/export.h
@@ -33,7 +33,7 @@
  */
 
 .macro ___EXPORT_SYMBOL name,val,sec
-#ifdef CONFIG_MODULES
+#if defined(CONFIG_MODULES) && !defined(__DISABLE_EXPORTS)
 	.section ___ksymtab\sec+\name,"a"
 	.balign KSYM_ALIGN
 __ksymtab_\name:
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 44103f9..8c82c96 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -90,15 +90,18 @@
  * .data. We don't want to pull in .data..other sections, which Linux
  * has defined. Same for text and bss.
  *
+ * With LTO_CLANG, the linker also splits sections by default, so we need
+ * these macros to combine the sections during the final link.
+ *
  * RODATA_MAIN is not used because existing code already defines .rodata.x
  * sections to be brought in with rodata.
  */
-#ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+#if defined(CONFIG_LD_DEAD_CODE_DATA_ELIMINATION) || defined(CONFIG_LTO_CLANG)
 #define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
-#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..LPBX*
+#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral*
 #define SDATA_MAIN .sdata .sdata.[0-9a-zA-Z_]*
-#define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]*
-#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]*
+#define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]* .rodata..L*
+#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]* .bss..compoundliteral*
 #define SBSS_MAIN .sbss .sbss.[0-9a-zA-Z_]*
 #else
 #define TEXT_MAIN .text
@@ -316,6 +319,16 @@
 #define THERMAL_TABLE(name)
 #endif
 
+#ifdef CONFIG_DTPM
+#define DTPM_TABLE()							\
+	. = ALIGN(8);							\
+	__dtpm_table = .;						\
+	KEEP(*(__dtpm_table))						\
+	__dtpm_table_end = .;
+#else
+#define DTPM_TABLE()
+#endif
+
 #define KERNEL_DTB()							\
 	STRUCT_ALIGN();							\
 	__dtb_start = .;						\
@@ -574,6 +587,22 @@
 	. = ALIGN((align));						\
 	__end_rodata = .;
 
+
+/*
+ * .text..L.cfi.jumptable.* contain Control-Flow Integrity (CFI)
+ * jump table entries.
+ */
+#ifdef CONFIG_CFI_CLANG
+#define TEXT_CFI_JT							\
+		. = ALIGN(PMD_SIZE);					\
+		__cfi_jt_start = .;					\
+		*(.text..L.cfi.jumptable .text..L.cfi.jumptable.*)	\
+		. = ALIGN(PMD_SIZE);					\
+		__cfi_jt_end = .;
+#else
+#define TEXT_CFI_JT
+#endif
+
 /*
  * Non-instrumentable text section
  */
@@ -601,6 +630,7 @@
 		*(.text..refcount)					\
 		*(.ref.text)						\
 		*(.text.asan.* .text.tsan.*)				\
+		TEXT_CFI_JT						\
 	MEM_KEEP(init.text*)						\
 	MEM_KEEP(exit.text*)						\
 
@@ -738,6 +768,7 @@
 	ACPI_PROBE_TABLE(irqchip)					\
 	ACPI_PROBE_TABLE(timer)						\
 	THERMAL_TABLE(governor)						\
+	DTPM_TABLE()							\
 	EARLYCON_TABLE()						\
 	LSM_TABLE()							\
 	EARLY_LSM_TABLE()						\
@@ -796,11 +827,21 @@
 	}
 
 /*
+ * Keep .eh_frame with CFI.
+ */
+#ifdef CONFIG_CFI_CLANG
+#define EH_FRAME .eh_frame : { *(.eh_frame) }
+#else
+#define EH_FRAME
+#endif
+
+/*
  * DWARF debug sections.
  * Symbols in the DWARF debugging sections are relative to
  * the beginning of the section so we begin them at 0.
  */
 #define DWARF_DEBUG							\
+		EH_FRAME						\
 		/* DWARF 1 */						\
 		.debug          0 : { *(.debug) }			\
 		.line           0 : { *(.line) }			\
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 96dbd43..86f0748 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -10,7 +10,6 @@
 #include <linux/crypto.h>
 #include <linux/list.h>
 #include <linux/kernel.h>
-#include <linux/workqueue.h>
 
 /*
  * Maximum values for blocksize and alignmask, used to allocate
@@ -56,8 +55,6 @@
 		struct crypto_spawn *spawns;
 	};
 
-	struct work_struct free_work;
-
 	void *__ctx[] CRYPTO_MINALIGN_ATTR;
 };
 
@@ -192,45 +189,6 @@
 	return inst->__ctx;
 }
 
-struct crypto_cipher_spawn {
-	struct crypto_spawn base;
-};
-
-static inline int crypto_grab_cipher(struct crypto_cipher_spawn *spawn,
-				     struct crypto_instance *inst,
-				     const char *name, u32 type, u32 mask)
-{
-	type &= ~CRYPTO_ALG_TYPE_MASK;
-	type |= CRYPTO_ALG_TYPE_CIPHER;
-	mask |= CRYPTO_ALG_TYPE_MASK;
-	return crypto_grab_spawn(&spawn->base, inst, name, type, mask);
-}
-
-static inline void crypto_drop_cipher(struct crypto_cipher_spawn *spawn)
-{
-	crypto_drop_spawn(&spawn->base);
-}
-
-static inline struct crypto_alg *crypto_spawn_cipher_alg(
-	struct crypto_cipher_spawn *spawn)
-{
-	return spawn->base.alg;
-}
-
-static inline struct crypto_cipher *crypto_spawn_cipher(
-	struct crypto_cipher_spawn *spawn)
-{
-	u32 type = CRYPTO_ALG_TYPE_CIPHER;
-	u32 mask = CRYPTO_ALG_TYPE_MASK;
-
-	return __crypto_cipher_cast(crypto_spawn_tfm(&spawn->base, type, mask));
-}
-
-static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
-{
-	return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
-}
-
 static inline struct crypto_async_request *crypto_get_backlog(
 	struct crypto_queue *queue)
 {
diff --git a/include/crypto/blake2b.h b/include/crypto/blake2b.h
new file mode 100644
index 0000000..18875f1
--- /dev/null
+++ b/include/crypto/blake2b.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+
+#ifndef _CRYPTO_BLAKE2B_H
+#define _CRYPTO_BLAKE2B_H
+
+#include <linux/bug.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+enum blake2b_lengths {
+	BLAKE2B_BLOCK_SIZE = 128,
+	BLAKE2B_HASH_SIZE = 64,
+	BLAKE2B_KEY_SIZE = 64,
+
+	BLAKE2B_160_HASH_SIZE = 20,
+	BLAKE2B_256_HASH_SIZE = 32,
+	BLAKE2B_384_HASH_SIZE = 48,
+	BLAKE2B_512_HASH_SIZE = 64,
+};
+
+struct blake2b_state {
+	/* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */
+	u64 h[8];
+	u64 t[2];
+	u64 f[2];
+	u8 buf[BLAKE2B_BLOCK_SIZE];
+	unsigned int buflen;
+	unsigned int outlen;
+};
+
+enum blake2b_iv {
+	BLAKE2B_IV0 = 0x6A09E667F3BCC908ULL,
+	BLAKE2B_IV1 = 0xBB67AE8584CAA73BULL,
+	BLAKE2B_IV2 = 0x3C6EF372FE94F82BULL,
+	BLAKE2B_IV3 = 0xA54FF53A5F1D36F1ULL,
+	BLAKE2B_IV4 = 0x510E527FADE682D1ULL,
+	BLAKE2B_IV5 = 0x9B05688C2B3E6C1FULL,
+	BLAKE2B_IV6 = 0x1F83D9ABFB41BD6BULL,
+	BLAKE2B_IV7 = 0x5BE0CD19137E2179ULL,
+};
+
+static inline void __blake2b_init(struct blake2b_state *state, size_t outlen,
+				  const void *key, size_t keylen)
+{
+	state->h[0] = BLAKE2B_IV0 ^ (0x01010000 | keylen << 8 | outlen);
+	state->h[1] = BLAKE2B_IV1;
+	state->h[2] = BLAKE2B_IV2;
+	state->h[3] = BLAKE2B_IV3;
+	state->h[4] = BLAKE2B_IV4;
+	state->h[5] = BLAKE2B_IV5;
+	state->h[6] = BLAKE2B_IV6;
+	state->h[7] = BLAKE2B_IV7;
+	state->t[0] = 0;
+	state->t[1] = 0;
+	state->f[0] = 0;
+	state->f[1] = 0;
+	state->buflen = 0;
+	state->outlen = outlen;
+	if (keylen) {
+		memcpy(state->buf, key, keylen);
+		memset(&state->buf[keylen], 0, BLAKE2B_BLOCK_SIZE - keylen);
+		state->buflen = BLAKE2B_BLOCK_SIZE;
+	}
+}
+
+#endif /* _CRYPTO_BLAKE2B_H */
diff --git a/include/crypto/internal/blake2b.h b/include/crypto/internal/blake2b.h
new file mode 100644
index 0000000..982fe5e
--- /dev/null
+++ b/include/crypto/internal/blake2b.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Helper functions for BLAKE2b implementations.
+ * Keep this in sync with the corresponding BLAKE2s header.
+ */
+
+#ifndef _CRYPTO_INTERNAL_BLAKE2B_H
+#define _CRYPTO_INTERNAL_BLAKE2B_H
+
+#include <crypto/blake2b.h>
+#include <crypto/internal/hash.h>
+#include <linux/string.h>
+
+void blake2b_compress_generic(struct blake2b_state *state,
+			      const u8 *block, size_t nblocks, u32 inc);
+
+static inline void blake2b_set_lastblock(struct blake2b_state *state)
+{
+	state->f[0] = -1;
+}
+
+typedef void (*blake2b_compress_t)(struct blake2b_state *state,
+				   const u8 *block, size_t nblocks, u32 inc);
+
+static inline void __blake2b_update(struct blake2b_state *state,
+				    const u8 *in, size_t inlen,
+				    blake2b_compress_t compress)
+{
+	const size_t fill = BLAKE2B_BLOCK_SIZE - state->buflen;
+
+	if (unlikely(!inlen))
+		return;
+	if (inlen > fill) {
+		memcpy(state->buf + state->buflen, in, fill);
+		(*compress)(state, state->buf, 1, BLAKE2B_BLOCK_SIZE);
+		state->buflen = 0;
+		in += fill;
+		inlen -= fill;
+	}
+	if (inlen > BLAKE2B_BLOCK_SIZE) {
+		const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2B_BLOCK_SIZE);
+		/* Hash one less (full) block than strictly possible */
+		(*compress)(state, in, nblocks - 1, BLAKE2B_BLOCK_SIZE);
+		in += BLAKE2B_BLOCK_SIZE * (nblocks - 1);
+		inlen -= BLAKE2B_BLOCK_SIZE * (nblocks - 1);
+	}
+	memcpy(state->buf + state->buflen, in, inlen);
+	state->buflen += inlen;
+}
+
+static inline void __blake2b_final(struct blake2b_state *state, u8 *out,
+				   blake2b_compress_t compress)
+{
+	int i;
+
+	blake2b_set_lastblock(state);
+	memset(state->buf + state->buflen, 0,
+	       BLAKE2B_BLOCK_SIZE - state->buflen); /* Padding */
+	(*compress)(state, state->buf, 1, state->buflen);
+	for (i = 0; i < ARRAY_SIZE(state->h); i++)
+		__cpu_to_le64s(&state->h[i]);
+	memcpy(out, state->h, state->outlen);
+}
+
+/* Helper functions for shash implementations of BLAKE2b */
+
+struct blake2b_tfm_ctx {
+	u8 key[BLAKE2B_KEY_SIZE];
+	unsigned int keylen;
+};
+
+static inline int crypto_blake2b_setkey(struct crypto_shash *tfm,
+					const u8 *key, unsigned int keylen)
+{
+	struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+
+	if (keylen == 0 || keylen > BLAKE2B_KEY_SIZE)
+		return -EINVAL;
+
+	memcpy(tctx->key, key, keylen);
+	tctx->keylen = keylen;
+
+	return 0;
+}
+
+static inline int crypto_blake2b_init(struct shash_desc *desc)
+{
+	const struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+	struct blake2b_state *state = shash_desc_ctx(desc);
+	unsigned int outlen = crypto_shash_digestsize(desc->tfm);
+
+	__blake2b_init(state, outlen, tctx->key, tctx->keylen);
+	return 0;
+}
+
+static inline int crypto_blake2b_update(struct shash_desc *desc,
+					const u8 *in, unsigned int inlen,
+					blake2b_compress_t compress)
+{
+	struct blake2b_state *state = shash_desc_ctx(desc);
+
+	__blake2b_update(state, in, inlen, compress);
+	return 0;
+}
+
+static inline int crypto_blake2b_final(struct shash_desc *desc, u8 *out,
+				       blake2b_compress_t compress)
+{
+	struct blake2b_state *state = shash_desc_ctx(desc);
+
+	__blake2b_final(state, out, compress);
+	return 0;
+}
+
+#endif /* _CRYPTO_INTERNAL_BLAKE2B_H */
diff --git a/include/crypto/internal/cipher.h b/include/crypto/internal/cipher.h
new file mode 100644
index 0000000..a9174ba
--- /dev/null
+++ b/include/crypto/internal/cipher.h
@@ -0,0 +1,218 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ * Copyright (c) 2002 David S. Miller (davem@redhat.com)
+ * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
+ *
+ * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no>
+ * and Nettle, by Niels Möller.
+ */
+
+#ifndef _CRYPTO_INTERNAL_CIPHER_H
+#define _CRYPTO_INTERNAL_CIPHER_H
+
+#include <crypto/algapi.h>
+
+struct crypto_cipher {
+	struct crypto_tfm base;
+};
+
+/**
+ * DOC: Single Block Cipher API
+ *
+ * The single block cipher API is used with the ciphers of type
+ * CRYPTO_ALG_TYPE_CIPHER (listed as type "cipher" in /proc/crypto).
+ *
+ * Using the single block cipher API calls, operations with the basic cipher
+ * primitive can be implemented. These cipher primitives exclude any block
+ * chaining operations including IV handling.
+ *
+ * The purpose of this single block cipher API is to support the implementation
+ * of templates or other concepts that only need to perform the cipher operation
+ * on one block at a time. Templates invoke the underlying cipher primitive
+ * block-wise and process either the input or the output data of these cipher
+ * operations.
+ */
+
+static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm)
+{
+	return (struct crypto_cipher *)tfm;
+}
+
+/**
+ * crypto_alloc_cipher() - allocate single block cipher handle
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ *	     single block cipher
+ * @type: specifies the type of the cipher
+ * @mask: specifies the mask for the cipher
+ *
+ * Allocate a cipher handle for a single block cipher. The returned struct
+ * crypto_cipher is the cipher handle that is required for any subsequent API
+ * invocation for that single block cipher.
+ *
+ * Return: allocated cipher handle in case of success; IS_ERR() is true in case
+ *	   of an error, PTR_ERR() returns the error code.
+ */
+static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name,
+							u32 type, u32 mask)
+{
+	type &= ~CRYPTO_ALG_TYPE_MASK;
+	type |= CRYPTO_ALG_TYPE_CIPHER;
+	mask |= CRYPTO_ALG_TYPE_MASK;
+
+	return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask));
+}
+
+static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
+{
+	return &tfm->base;
+}
+
+/**
+ * crypto_free_cipher() - zeroize and free the single block cipher handle
+ * @tfm: cipher handle to be freed
+ */
+static inline void crypto_free_cipher(struct crypto_cipher *tfm)
+{
+	crypto_free_tfm(crypto_cipher_tfm(tfm));
+}
+
+/**
+ * crypto_has_cipher() - Search for the availability of a single block cipher
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ *	     single block cipher
+ * @type: specifies the type of the cipher
+ * @mask: specifies the mask for the cipher
+ *
+ * Return: true when the single block cipher is known to the kernel crypto API;
+ *	   false otherwise
+ */
+static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask)
+{
+	type &= ~CRYPTO_ALG_TYPE_MASK;
+	type |= CRYPTO_ALG_TYPE_CIPHER;
+	mask |= CRYPTO_ALG_TYPE_MASK;
+
+	return crypto_has_alg(alg_name, type, mask);
+}
+
+/**
+ * crypto_cipher_blocksize() - obtain block size for cipher
+ * @tfm: cipher handle
+ *
+ * The block size for the single block cipher referenced with the cipher handle
+ * tfm is returned. The caller may use that information to allocate appropriate
+ * memory for the data returned by the encryption or decryption operation
+ *
+ * Return: block size of cipher
+ */
+static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm)
+{
+	return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm));
+}
+
+static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm)
+{
+	return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm));
+}
+
+static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm)
+{
+	return crypto_tfm_get_flags(crypto_cipher_tfm(tfm));
+}
+
+static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm,
+					   u32 flags)
+{
+	crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags);
+}
+
+static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm,
+					     u32 flags)
+{
+	crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags);
+}
+
+/**
+ * crypto_cipher_setkey() - set key for cipher
+ * @tfm: cipher handle
+ * @key: buffer holding the key
+ * @keylen: length of the key in bytes
+ *
+ * The caller provided key is set for the single block cipher referenced by the
+ * cipher handle.
+ *
+ * Note, the key length determines the cipher type. Many block ciphers implement
+ * different cipher modes depending on the key size, such as AES-128 vs AES-192
+ * vs. AES-256. When providing a 16 byte key for an AES cipher handle, AES-128
+ * is performed.
+ *
+ * Return: 0 if the setting of the key was successful; < 0 if an error occurred
+ */
+int crypto_cipher_setkey(struct crypto_cipher *tfm,
+			 const u8 *key, unsigned int keylen);
+
+/**
+ * crypto_cipher_encrypt_one() - encrypt one block of plaintext
+ * @tfm: cipher handle
+ * @dst: points to the buffer that will be filled with the ciphertext
+ * @src: buffer holding the plaintext to be encrypted
+ *
+ * Invoke the encryption operation of one block. The caller must ensure that
+ * the plaintext and ciphertext buffers are at least one block in size.
+ */
+void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
+			       u8 *dst, const u8 *src);
+
+/**
+ * crypto_cipher_decrypt_one() - decrypt one block of ciphertext
+ * @tfm: cipher handle
+ * @dst: points to the buffer that will be filled with the plaintext
+ * @src: buffer holding the ciphertext to be decrypted
+ *
+ * Invoke the decryption operation of one block. The caller must ensure that
+ * the plaintext and ciphertext buffers are at least one block in size.
+ */
+void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
+			       u8 *dst, const u8 *src);
+
+struct crypto_cipher_spawn {
+	struct crypto_spawn base;
+};
+
+static inline int crypto_grab_cipher(struct crypto_cipher_spawn *spawn,
+				     struct crypto_instance *inst,
+				     const char *name, u32 type, u32 mask)
+{
+	type &= ~CRYPTO_ALG_TYPE_MASK;
+	type |= CRYPTO_ALG_TYPE_CIPHER;
+	mask |= CRYPTO_ALG_TYPE_MASK;
+	return crypto_grab_spawn(&spawn->base, inst, name, type, mask);
+}
+
+static inline void crypto_drop_cipher(struct crypto_cipher_spawn *spawn)
+{
+	crypto_drop_spawn(&spawn->base);
+}
+
+static inline struct crypto_alg *crypto_spawn_cipher_alg(
+       struct crypto_cipher_spawn *spawn)
+{
+	return spawn->base.alg;
+}
+
+static inline struct crypto_cipher *crypto_spawn_cipher(
+	struct crypto_cipher_spawn *spawn)
+{
+	u32 type = CRYPTO_ALG_TYPE_CIPHER;
+	u32 mask = CRYPTO_ALG_TYPE_MASK;
+
+	return __crypto_cipher_cast(crypto_spawn_tfm(&spawn->base, type, mask));
+}
+
+static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
+{
+	return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
+}
+
+#endif
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index 10226c1..9dd6c0c 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -9,6 +9,7 @@
 #define _CRYPTO_INTERNAL_SKCIPHER_H
 
 #include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
 #include <crypto/skcipher.h>
 #include <linux/list.h>
 #include <linux/types.h>
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 03d3953..9281365 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1030,14 +1030,6 @@
 	 */
 	void (*atomic_print_state)(struct drm_printer *p,
 				   const struct drm_connector_state *state);
-
-	/**
-	 * @oob_hotplug_event:
-	 *
-	 * This will get called when a hotplug-event for a drm-connector
-	 * has been received from a source outside the display driver / device.
-	 */
-	void (*oob_hotplug_event)(struct drm_connector *connector);
 };
 
 /**
@@ -1182,14 +1174,6 @@
 	struct device *kdev;
 	/** @attr: sysfs attributes */
 	struct device_attribute *attr;
-	/**
-	 * @fwnode: associated fwnode supplied by platform firmware
-	 *
-	 * Drivers can set this to associate a fwnode with a connector, drivers
-	 * are expected to get a reference on the fwnode when setting this.
-	 * drm_connector_cleanup() will call fwnode_handle_put() on this.
-	 */
-	struct fwnode_handle *fwnode;
 
 	/**
 	 * @head:
@@ -1201,14 +1185,6 @@
 	 */
 	struct list_head head;
 
-	/**
-	 * @global_connector_list_entry:
-	 *
-	 * Connector entry in the global connector-list, used by
-	 * drm_connector_find_by_fwnode().
-	 */
-	struct list_head global_connector_list_entry;
-
 	/** @base: base KMS object */
 	struct drm_mode_object base;
 
@@ -1620,7 +1596,6 @@
 		DRM_CONNECTOR_UNREGISTERED;
 }
 
-void drm_connector_oob_hotplug_event(struct fwnode_handle *connector_fwnode);
 const char *drm_get_connector_type_name(unsigned int connector_type);
 const char *drm_get_connector_status_name(enum drm_connector_status status);
 const char *drm_get_subpixel_order_name(enum subpixel_order order);
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index e57d044..e395d1f 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -29,6 +29,7 @@
 
 #include <linux/list.h>
 #include <linux/irqreturn.h>
+#include <linux/uuid.h>
 
 #include <drm/drm_device.h>
 
@@ -461,6 +462,15 @@
 				struct vm_area_struct *vma);
 
 	/**
+	 * @gem_prime_get_uuid
+	 *
+	 * get_uuid hook for GEM drivers. Retrieves the virtio uuid of the
+	 * given GEM buffer.
+	 */
+	int (*gem_prime_get_uuid)(struct drm_gem_object *obj,
+				  uuid_t *uuid);
+
+	/**
 	 * @dumb_create:
 	 *
 	 * This creates a new dumb buffer in the driver's backing storage manager (GEM,
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 4526b6a..e97daf6 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -121,7 +121,7 @@
 			u8 supported_scalings;
 			u8 preferred_refresh;
 		} __attribute__((packed)) cvt;
-	} __attribute__((packed)) formula;
+	} formula;
 } __attribute__((packed));
 
 struct detailed_data_wpindex {
@@ -154,7 +154,7 @@
 		struct detailed_data_wpindex color;
 		struct std_timing timings[6];
 		struct cvt_timing cvt[4];
-	} __attribute__((packed)) data;
+	} data;
 } __attribute__((packed));
 
 #define EDID_DETAIL_EST_TIMINGS 0xf7
@@ -172,7 +172,7 @@
 	union {
 		struct detailed_pixel_timing pixel_data;
 		struct detailed_non_pixel other_data;
-	} __attribute__((packed)) data;
+	} data;
 } __attribute__((packed));
 
 #define DRM_EDID_INPUT_SERRATION_VSYNC (1 << 0)
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 42d0460..726cfe0 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -411,6 +411,9 @@
 			   struct drm_pending_event *p);
 void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e);
 void drm_send_event(struct drm_device *dev, struct drm_pending_event *e);
+void drm_send_event_timestamp_locked(struct drm_device *dev,
+				     struct drm_pending_event *e,
+				     ktime_t timestamp);
 
 struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags);
 
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 31ba85a..05592c1 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -19,12 +19,18 @@
 #define MIPI_DSI_MSG_REQ_ACK	BIT(0)
 /* use Low Power Mode to transmit message */
 #define MIPI_DSI_MSG_USE_LPM	BIT(1)
+/* read mipi_dsi_msg.ctrl and unicast to only that ctrls */
+#define MIPI_DSI_MSG_UNICAST	BIT(2)
+/* Stack all commands until lastcommand bit and trigger all in one go */
+#define MIPI_DSI_MSG_LASTCOMMAND BIT(3)
 
 /**
  * struct mipi_dsi_msg - read/write DSI buffer
  * @channel: virtual channel id
  * @type: payload data type
  * @flags: flags controlling this message transmission
+ * @ctrl: ctrl index to transmit on
+ * @wait_ms: duration in ms to wait after message transmission
  * @tx_len: length of @tx_buf
  * @tx_buf: data to be written
  * @rx_len: length of @rx_buf
@@ -34,6 +40,8 @@
 	u8 channel;
 	u8 type;
 	u16 flags;
+	u32 ctrl;
+	u32 wait_ms;
 
 	size_t tx_len;
 	const void *tx_buf;
@@ -132,6 +140,10 @@
 #define MIPI_DSI_CLOCK_NON_CONTINUOUS	BIT(10)
 /* transmit data in low power */
 #define MIPI_DSI_MODE_LPM		BIT(11)
+/* disable BLLP area */
+#define MIPI_DSI_MODE_VIDEO_BLLP	BIT(12)
+/* disable EOF BLLP area */
+#define MIPI_DSI_MODE_VIDEO_EOF_BLLP	BIT(13)
 
 enum mipi_dsi_pixel_format {
 	MIPI_DSI_FMT_RGB888,
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index c34a3e8..6292fa6 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -60,7 +60,7 @@
 	void (*free_cb)(struct kref *kref);
 };
 
-#define DRM_OBJECT_MAX_PROPERTY 24
+#define DRM_OBJECT_MAX_PROPERTY 64
 /**
  * struct drm_object_properties - property tracking for &drm_mode_object
  */
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index 0f69f9f..a9d0c6b 100644
--- a/include/drm/drm_prime.h
+++ b/include/drm/drm_prime.h
@@ -107,5 +107,6 @@
 int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
 				     dma_addr_t *addrs, int max_pages);
 
+int drm_gem_dmabuf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid);
 
 #endif /* __DRM_PRIME_H__ */
diff --git a/include/dt-bindings/leds/common.h b/include/dt-bindings/leds/common.h
index 52b619d..3be89a7 100644
--- a/include/dt-bindings/leds/common.h
+++ b/include/dt-bindings/leds/common.h
@@ -60,6 +60,13 @@
 #define LED_FUNCTION_MICMUTE "micmute"
 #define LED_FUNCTION_MUTE "mute"
 
+/* Used for player LEDs as found on game controllers from e.g. Nintendo, Sony. */
+#define LED_FUNCTION_PLAYER1 "player-1"
+#define LED_FUNCTION_PLAYER2 "player-2"
+#define LED_FUNCTION_PLAYER3 "player-3"
+#define LED_FUNCTION_PLAYER4 "player-4"
+#define LED_FUNCTION_PLAYER5 "player-5"
+
 /* Miscelleaus functions. Use functions above if you can. */
 #define LED_FUNCTION_ACTIVITY "activity"
 #define LED_FUNCTION_ALARM "alarm"
diff --git a/include/dt-bindings/memory/mt2701-larb-port.h b/include/dt-bindings/memory/mt2701-larb-port.h
index 2d85c2e..25d0352 100644
--- a/include/dt-bindings/memory/mt2701-larb-port.h
+++ b/include/dt-bindings/memory/mt2701-larb-port.h
@@ -4,8 +4,8 @@
  * Author: Honghui Zhang <honghui.zhang@mediatek.com>
  */
 
-#ifndef _MT2701_LARB_PORT_H_
-#define _MT2701_LARB_PORT_H_
+#ifndef _DT_BINDINGS_MEMORY_MT2701_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT2701_LARB_PORT_H_
 
 /*
  * Mediatek m4u generation 1 such as mt2701 has flat m4u port numbers,
diff --git a/include/dt-bindings/memory/mt2712-larb-port.h b/include/dt-bindings/memory/mt2712-larb-port.h
index 6f9aa73..e41a284 100644
--- a/include/dt-bindings/memory/mt2712-larb-port.h
+++ b/include/dt-bindings/memory/mt2712-larb-port.h
@@ -3,10 +3,10 @@
  * Copyright (c) 2017 MediaTek Inc.
  * Author: Yong Wu <yong.wu@mediatek.com>
  */
-#ifndef __DTS_IOMMU_PORT_MT2712_H
-#define __DTS_IOMMU_PORT_MT2712_H
+#ifndef _DT_BINDINGS_MEMORY_MT2712_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT2712_LARB_PORT_H_
 
-#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
 
 #define M4U_LARB0_ID			0
 #define M4U_LARB1_ID			1
diff --git a/include/dt-bindings/memory/mt6779-larb-port.h b/include/dt-bindings/memory/mt6779-larb-port.h
index 2ad0899..3fb438a 100644
--- a/include/dt-bindings/memory/mt6779-larb-port.h
+++ b/include/dt-bindings/memory/mt6779-larb-port.h
@@ -4,10 +4,10 @@
  * Author: Chao Hao <chao.hao@mediatek.com>
  */
 
-#ifndef _DTS_IOMMU_PORT_MT6779_H_
-#define _DTS_IOMMU_PORT_MT6779_H_
+#ifndef _DT_BINDINGS_MEMORY_MT6779_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT6779_LARB_PORT_H_
 
-#define MTK_M4U_ID(larb, port)		 (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
 
 #define M4U_LARB0_ID			 0
 #define M4U_LARB1_ID			 1
diff --git a/include/dt-bindings/memory/mt8167-larb-port.h b/include/dt-bindings/memory/mt8167-larb-port.h
index 000fb29..aae57d4 100644
--- a/include/dt-bindings/memory/mt8167-larb-port.h
+++ b/include/dt-bindings/memory/mt8167-larb-port.h
@@ -5,10 +5,10 @@
  * Author: Honghui Zhang <honghui.zhang@mediatek.com>
  * Author: Fabien Parent <fparent@baylibre.com>
  */
-#ifndef __DTS_IOMMU_PORT_MT8167_H
-#define __DTS_IOMMU_PORT_MT8167_H
+#ifndef _DT_BINDINGS_MEMORY_MT8167_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8167_LARB_PORT_H_
 
-#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
 
 #define M4U_LARB0_ID			0
 #define M4U_LARB1_ID			1
diff --git a/include/dt-bindings/memory/mt8173-larb-port.h b/include/dt-bindings/memory/mt8173-larb-port.h
index 9f31ccf..167a7fc 100644
--- a/include/dt-bindings/memory/mt8173-larb-port.h
+++ b/include/dt-bindings/memory/mt8173-larb-port.h
@@ -3,10 +3,10 @@
  * Copyright (c) 2015-2016 MediaTek Inc.
  * Author: Yong Wu <yong.wu@mediatek.com>
  */
-#ifndef __DTS_IOMMU_PORT_MT8173_H
-#define __DTS_IOMMU_PORT_MT8173_H
+#ifndef _DT_BINDINGS_MEMORY_MT8173_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8173_LARB_PORT_H_
 
-#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
 
 #define M4U_LARB0_ID			0
 #define M4U_LARB1_ID			1
diff --git a/include/dt-bindings/memory/mt8183-larb-port.h b/include/dt-bindings/memory/mt8183-larb-port.h
index 2c579f3..36abdf0 100644
--- a/include/dt-bindings/memory/mt8183-larb-port.h
+++ b/include/dt-bindings/memory/mt8183-larb-port.h
@@ -3,10 +3,10 @@
  * Copyright (c) 2018 MediaTek Inc.
  * Author: Yong Wu <yong.wu@mediatek.com>
  */
-#ifndef __DTS_IOMMU_PORT_MT8183_H
-#define __DTS_IOMMU_PORT_MT8183_H
+#ifndef _DT_BINDINGS_MEMORY_MT8183_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8183_LARB_PORT_H_
 
-#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
 
 #define M4U_LARB0_ID			0
 #define M4U_LARB1_ID			1
diff --git a/include/dt-bindings/memory/mt8192-larb-port.h b/include/dt-bindings/memory/mt8192-larb-port.h
new file mode 100644
index 0000000..23035a5
--- /dev/null
+++ b/include/dt-bindings/memory/mt8192-larb-port.h
@@ -0,0 +1,243 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ *
+ * Author: Chao Hao <chao.hao@mediatek.com>
+ * Author: Yong Wu <yong.wu@mediatek.com>
+ */
+#ifndef _DT_BINDINGS_MEMORY_MT8192_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8192_LARB_PORT_H_
+
+#include <dt-bindings/memory/mtk-memory-port.h>
+
+/*
+ * MM IOMMU supports 16GB dma address.
+ *
+ * The address will preassign like this:
+ *
+ * modules    dma-address-region	larbs-ports
+ * disp         0 ~ 4G                   larb0/1
+ * vcodec      4G ~ 8G                  larb4/5/7
+ * cam/mdp     8G ~ 12G             larb2/9/11/13/14/16/17/18/19/20
+ * CCU0    0x4000_0000 ~ 0x43ff_ffff     larb13: port 9/10
+ * CCU1    0x4400_0000 ~ 0x47ff_ffff     larb14: port 4/5
+ *
+ * larb3/6/8/10/12/15 is null.
+ */
+
+/* larb0 */
+#define M4U_PORT_L0_DISP_POSTMASK0		MTK_M4U_ID(0, 0)
+#define M4U_PORT_L0_OVL_RDMA0_HDR		MTK_M4U_ID(0, 1)
+#define M4U_PORT_L0_OVL_RDMA0			MTK_M4U_ID(0, 2)
+#define M4U_PORT_L0_DISP_RDMA0			MTK_M4U_ID(0, 3)
+#define M4U_PORT_L0_DISP_WDMA0			MTK_M4U_ID(0, 4)
+#define M4U_PORT_L0_DISP_FAKE0			MTK_M4U_ID(0, 5)
+
+/* larb1 */
+#define M4U_PORT_L1_OVL_2L_RDMA0_HDR		MTK_M4U_ID(1, 0)
+#define M4U_PORT_L1_OVL_2L_RDMA2_HDR		MTK_M4U_ID(1, 1)
+#define M4U_PORT_L1_OVL_2L_RDMA0		MTK_M4U_ID(1, 2)
+#define M4U_PORT_L1_OVL_2L_RDMA2		MTK_M4U_ID(1, 3)
+#define M4U_PORT_L1_DISP_MDP_RDMA4		MTK_M4U_ID(1, 4)
+#define M4U_PORT_L1_DISP_RDMA4			MTK_M4U_ID(1, 5)
+#define M4U_PORT_L1_DISP_UFBC_WDMA0		MTK_M4U_ID(1, 6)
+#define M4U_PORT_L1_DISP_FAKE1			MTK_M4U_ID(1, 7)
+
+/* larb2 */
+#define M4U_PORT_L2_MDP_RDMA0			MTK_M4U_ID(2, 0)
+#define M4U_PORT_L2_MDP_RDMA1			MTK_M4U_ID(2, 1)
+#define M4U_PORT_L2_MDP_WROT0			MTK_M4U_ID(2, 2)
+#define M4U_PORT_L2_MDP_WROT1			MTK_M4U_ID(2, 3)
+#define M4U_PORT_L2_MDP_DISP_FAKE0		MTK_M4U_ID(2, 4)
+
+/* larb3: null */
+
+/* larb4 */
+#define M4U_PORT_L4_VDEC_MC_EXT			MTK_M4U_ID(4, 0)
+#define M4U_PORT_L4_VDEC_UFO_EXT		MTK_M4U_ID(4, 1)
+#define M4U_PORT_L4_VDEC_PP_EXT			MTK_M4U_ID(4, 2)
+#define M4U_PORT_L4_VDEC_PRED_RD_EXT		MTK_M4U_ID(4, 3)
+#define M4U_PORT_L4_VDEC_PRED_WR_EXT		MTK_M4U_ID(4, 4)
+#define M4U_PORT_L4_VDEC_PPWRAP_EXT		MTK_M4U_ID(4, 5)
+#define M4U_PORT_L4_VDEC_TILE_EXT		MTK_M4U_ID(4, 6)
+#define M4U_PORT_L4_VDEC_VLD_EXT		MTK_M4U_ID(4, 7)
+#define M4U_PORT_L4_VDEC_VLD2_EXT		MTK_M4U_ID(4, 8)
+#define M4U_PORT_L4_VDEC_AVC_MV_EXT		MTK_M4U_ID(4, 9)
+#define M4U_PORT_L4_VDEC_RG_CTRL_DMA_EXT	MTK_M4U_ID(4, 10)
+
+/* larb5 */
+#define M4U_PORT_L5_VDEC_LAT0_VLD_EXT		MTK_M4U_ID(5, 0)
+#define M4U_PORT_L5_VDEC_LAT0_VLD2_EXT		MTK_M4U_ID(5, 1)
+#define M4U_PORT_L5_VDEC_LAT0_AVC_MV_EXT	MTK_M4U_ID(5, 2)
+#define M4U_PORT_L5_VDEC_LAT0_PRED_RD_EXT	MTK_M4U_ID(5, 3)
+#define M4U_PORT_L5_VDEC_LAT0_TILE_EXT		MTK_M4U_ID(5, 4)
+#define M4U_PORT_L5_VDEC_LAT0_WDMA_EXT		MTK_M4U_ID(5, 5)
+#define M4U_PORT_L5_VDEC_LAT0_RG_CTRL_DMA_EXT	MTK_M4U_ID(5, 6)
+#define M4U_PORT_L5_VDEC_UFO_ENC_EXT		MTK_M4U_ID(5, 7)
+
+/* larb6: null */
+
+/* larb7 */
+#define M4U_PORT_L7_VENC_RCPU			MTK_M4U_ID(7, 0)
+#define M4U_PORT_L7_VENC_REC			MTK_M4U_ID(7, 1)
+#define M4U_PORT_L7_VENC_BSDMA			MTK_M4U_ID(7, 2)
+#define M4U_PORT_L7_VENC_SV_COMV		MTK_M4U_ID(7, 3)
+#define M4U_PORT_L7_VENC_RD_COMV		MTK_M4U_ID(7, 4)
+#define M4U_PORT_L7_VENC_CUR_LUMA		MTK_M4U_ID(7, 5)
+#define M4U_PORT_L7_VENC_CUR_CHROMA		MTK_M4U_ID(7, 6)
+#define M4U_PORT_L7_VENC_REF_LUMA		MTK_M4U_ID(7, 7)
+#define M4U_PORT_L7_VENC_REF_CHROMA		MTK_M4U_ID(7, 8)
+#define M4U_PORT_L7_JPGENC_Y_RDMA		MTK_M4U_ID(7, 9)
+#define M4U_PORT_L7_JPGENC_Q_RDMA		MTK_M4U_ID(7, 10)
+#define M4U_PORT_L7_JPGENC_C_TABLE		MTK_M4U_ID(7, 11)
+#define M4U_PORT_L7_JPGENC_BSDMA		MTK_M4U_ID(7, 12)
+#define M4U_PORT_L7_VENC_SUB_R_LUMA		MTK_M4U_ID(7, 13)
+#define M4U_PORT_L7_VENC_SUB_W_LUMA		MTK_M4U_ID(7, 14)
+
+/* larb8: null */
+
+/* larb9 */
+#define M4U_PORT_L9_IMG_IMGI_D1			MTK_M4U_ID(9, 0)
+#define M4U_PORT_L9_IMG_IMGBI_D1		MTK_M4U_ID(9, 1)
+#define M4U_PORT_L9_IMG_DMGI_D1			MTK_M4U_ID(9, 2)
+#define M4U_PORT_L9_IMG_DEPI_D1			MTK_M4U_ID(9, 3)
+#define M4U_PORT_L9_IMG_ICE_D1			MTK_M4U_ID(9, 4)
+#define M4U_PORT_L9_IMG_SMTI_D1			MTK_M4U_ID(9, 5)
+#define M4U_PORT_L9_IMG_SMTO_D2			MTK_M4U_ID(9, 6)
+#define M4U_PORT_L9_IMG_SMTO_D1			MTK_M4U_ID(9, 7)
+#define M4U_PORT_L9_IMG_CRZO_D1			MTK_M4U_ID(9, 8)
+#define M4U_PORT_L9_IMG_IMG3O_D1		MTK_M4U_ID(9, 9)
+#define M4U_PORT_L9_IMG_VIPI_D1			MTK_M4U_ID(9, 10)
+#define M4U_PORT_L9_IMG_SMTI_D5			MTK_M4U_ID(9, 11)
+#define M4U_PORT_L9_IMG_TIMGO_D1		MTK_M4U_ID(9, 12)
+#define M4U_PORT_L9_IMG_UFBC_W0			MTK_M4U_ID(9, 13)
+#define M4U_PORT_L9_IMG_UFBC_R0			MTK_M4U_ID(9, 14)
+
+/* larb10: null */
+
+/* larb11 */
+#define M4U_PORT_L11_IMG_IMGI_D1		MTK_M4U_ID(11, 0)
+#define M4U_PORT_L11_IMG_IMGBI_D1		MTK_M4U_ID(11, 1)
+#define M4U_PORT_L11_IMG_DMGI_D1		MTK_M4U_ID(11, 2)
+#define M4U_PORT_L11_IMG_DEPI_D1		MTK_M4U_ID(11, 3)
+#define M4U_PORT_L11_IMG_ICE_D1			MTK_M4U_ID(11, 4)
+#define M4U_PORT_L11_IMG_SMTI_D1		MTK_M4U_ID(11, 5)
+#define M4U_PORT_L11_IMG_SMTO_D2		MTK_M4U_ID(11, 6)
+#define M4U_PORT_L11_IMG_SMTO_D1		MTK_M4U_ID(11, 7)
+#define M4U_PORT_L11_IMG_CRZO_D1		MTK_M4U_ID(11, 8)
+#define M4U_PORT_L11_IMG_IMG3O_D1		MTK_M4U_ID(11, 9)
+#define M4U_PORT_L11_IMG_VIPI_D1		MTK_M4U_ID(11, 10)
+#define M4U_PORT_L11_IMG_SMTI_D5		MTK_M4U_ID(11, 11)
+#define M4U_PORT_L11_IMG_TIMGO_D1		MTK_M4U_ID(11, 12)
+#define M4U_PORT_L11_IMG_UFBC_W0		MTK_M4U_ID(11, 13)
+#define M4U_PORT_L11_IMG_UFBC_R0		MTK_M4U_ID(11, 14)
+#define M4U_PORT_L11_IMG_WPE_RDMA1		MTK_M4U_ID(11, 15)
+#define M4U_PORT_L11_IMG_WPE_RDMA0		MTK_M4U_ID(11, 16)
+#define M4U_PORT_L11_IMG_WPE_WDMA		MTK_M4U_ID(11, 17)
+#define M4U_PORT_L11_IMG_MFB_RDMA0		MTK_M4U_ID(11, 18)
+#define M4U_PORT_L11_IMG_MFB_RDMA1		MTK_M4U_ID(11, 19)
+#define M4U_PORT_L11_IMG_MFB_RDMA2		MTK_M4U_ID(11, 20)
+#define M4U_PORT_L11_IMG_MFB_RDMA3		MTK_M4U_ID(11, 21)
+#define M4U_PORT_L11_IMG_MFB_RDMA4		MTK_M4U_ID(11, 22)
+#define M4U_PORT_L11_IMG_MFB_RDMA5		MTK_M4U_ID(11, 23)
+#define M4U_PORT_L11_IMG_MFB_WDMA0		MTK_M4U_ID(11, 24)
+#define M4U_PORT_L11_IMG_MFB_WDMA1		MTK_M4U_ID(11, 25)
+
+/* larb12: null */
+
+/* larb13 */
+#define M4U_PORT_L13_CAM_MRAWI			MTK_M4U_ID(13, 0)
+#define M4U_PORT_L13_CAM_MRAWO0			MTK_M4U_ID(13, 1)
+#define M4U_PORT_L13_CAM_MRAWO1			MTK_M4U_ID(13, 2)
+#define M4U_PORT_L13_CAM_CAMSV1			MTK_M4U_ID(13, 3)
+#define M4U_PORT_L13_CAM_CAMSV2			MTK_M4U_ID(13, 4)
+#define M4U_PORT_L13_CAM_CAMSV3			MTK_M4U_ID(13, 5)
+#define M4U_PORT_L13_CAM_CAMSV4			MTK_M4U_ID(13, 6)
+#define M4U_PORT_L13_CAM_CAMSV5			MTK_M4U_ID(13, 7)
+#define M4U_PORT_L13_CAM_CAMSV6			MTK_M4U_ID(13, 8)
+#define M4U_PORT_L13_CAM_CCUI			MTK_M4U_ID(13, 9)
+#define M4U_PORT_L13_CAM_CCUO			MTK_M4U_ID(13, 10)
+#define M4U_PORT_L13_CAM_FAKE			MTK_M4U_ID(13, 11)
+
+/* larb14 */
+#define M4U_PORT_L14_CAM_RESERVE1		MTK_M4U_ID(14, 0)
+#define M4U_PORT_L14_CAM_RESERVE2		MTK_M4U_ID(14, 1)
+#define M4U_PORT_L14_CAM_RESERVE3		MTK_M4U_ID(14, 2)
+#define M4U_PORT_L14_CAM_CAMSV0			MTK_M4U_ID(14, 3)
+#define M4U_PORT_L14_CAM_CCUI			MTK_M4U_ID(14, 4)
+#define M4U_PORT_L14_CAM_CCUO			MTK_M4U_ID(14, 5)
+
+/* larb15: null */
+
+/* larb16 */
+#define M4U_PORT_L16_CAM_IMGO_R1_A		MTK_M4U_ID(16, 0)
+#define M4U_PORT_L16_CAM_RRZO_R1_A		MTK_M4U_ID(16, 1)
+#define M4U_PORT_L16_CAM_CQI_R1_A		MTK_M4U_ID(16, 2)
+#define M4U_PORT_L16_CAM_BPCI_R1_A		MTK_M4U_ID(16, 3)
+#define M4U_PORT_L16_CAM_YUVO_R1_A		MTK_M4U_ID(16, 4)
+#define M4U_PORT_L16_CAM_UFDI_R2_A		MTK_M4U_ID(16, 5)
+#define M4U_PORT_L16_CAM_RAWI_R2_A		MTK_M4U_ID(16, 6)
+#define M4U_PORT_L16_CAM_RAWI_R3_A		MTK_M4U_ID(16, 7)
+#define M4U_PORT_L16_CAM_AAO_R1_A		MTK_M4U_ID(16, 8)
+#define M4U_PORT_L16_CAM_AFO_R1_A		MTK_M4U_ID(16, 9)
+#define M4U_PORT_L16_CAM_FLKO_R1_A		MTK_M4U_ID(16, 10)
+#define M4U_PORT_L16_CAM_LCESO_R1_A		MTK_M4U_ID(16, 11)
+#define M4U_PORT_L16_CAM_CRZO_R1_A		MTK_M4U_ID(16, 12)
+#define M4U_PORT_L16_CAM_LTMSO_R1_A		MTK_M4U_ID(16, 13)
+#define M4U_PORT_L16_CAM_RSSO_R1_A		MTK_M4U_ID(16, 14)
+#define M4U_PORT_L16_CAM_AAHO_R1_A		MTK_M4U_ID(16, 15)
+#define M4U_PORT_L16_CAM_LSCI_R1_A		MTK_M4U_ID(16, 16)
+
+/* larb17 */
+#define M4U_PORT_L17_CAM_IMGO_R1_B		MTK_M4U_ID(17, 0)
+#define M4U_PORT_L17_CAM_RRZO_R1_B		MTK_M4U_ID(17, 1)
+#define M4U_PORT_L17_CAM_CQI_R1_B		MTK_M4U_ID(17, 2)
+#define M4U_PORT_L17_CAM_BPCI_R1_B		MTK_M4U_ID(17, 3)
+#define M4U_PORT_L17_CAM_YUVO_R1_B		MTK_M4U_ID(17, 4)
+#define M4U_PORT_L17_CAM_UFDI_R2_B		MTK_M4U_ID(17, 5)
+#define M4U_PORT_L17_CAM_RAWI_R2_B		MTK_M4U_ID(17, 6)
+#define M4U_PORT_L17_CAM_RAWI_R3_B		MTK_M4U_ID(17, 7)
+#define M4U_PORT_L17_CAM_AAO_R1_B		MTK_M4U_ID(17, 8)
+#define M4U_PORT_L17_CAM_AFO_R1_B		MTK_M4U_ID(17, 9)
+#define M4U_PORT_L17_CAM_FLKO_R1_B		MTK_M4U_ID(17, 10)
+#define M4U_PORT_L17_CAM_LCESO_R1_B		MTK_M4U_ID(17, 11)
+#define M4U_PORT_L17_CAM_CRZO_R1_B		MTK_M4U_ID(17, 12)
+#define M4U_PORT_L17_CAM_LTMSO_R1_B		MTK_M4U_ID(17, 13)
+#define M4U_PORT_L17_CAM_RSSO_R1_B		MTK_M4U_ID(17, 14)
+#define M4U_PORT_L17_CAM_AAHO_R1_B		MTK_M4U_ID(17, 15)
+#define M4U_PORT_L17_CAM_LSCI_R1_B		MTK_M4U_ID(17, 16)
+
+/* larb18 */
+#define M4U_PORT_L18_CAM_IMGO_R1_C		MTK_M4U_ID(18, 0)
+#define M4U_PORT_L18_CAM_RRZO_R1_C		MTK_M4U_ID(18, 1)
+#define M4U_PORT_L18_CAM_CQI_R1_C		MTK_M4U_ID(18, 2)
+#define M4U_PORT_L18_CAM_BPCI_R1_C		MTK_M4U_ID(18, 3)
+#define M4U_PORT_L18_CAM_YUVO_R1_C		MTK_M4U_ID(18, 4)
+#define M4U_PORT_L18_CAM_UFDI_R2_C		MTK_M4U_ID(18, 5)
+#define M4U_PORT_L18_CAM_RAWI_R2_C		MTK_M4U_ID(18, 6)
+#define M4U_PORT_L18_CAM_RAWI_R3_C		MTK_M4U_ID(18, 7)
+#define M4U_PORT_L18_CAM_AAO_R1_C		MTK_M4U_ID(18, 8)
+#define M4U_PORT_L18_CAM_AFO_R1_C		MTK_M4U_ID(18, 9)
+#define M4U_PORT_L18_CAM_FLKO_R1_C		MTK_M4U_ID(18, 10)
+#define M4U_PORT_L18_CAM_LCESO_R1_C		MTK_M4U_ID(18, 11)
+#define M4U_PORT_L18_CAM_CRZO_R1_C		MTK_M4U_ID(18, 12)
+#define M4U_PORT_L18_CAM_LTMSO_R1_C		MTK_M4U_ID(18, 13)
+#define M4U_PORT_L18_CAM_RSSO_R1_C		MTK_M4U_ID(18, 14)
+#define M4U_PORT_L18_CAM_AAHO_R1_C		MTK_M4U_ID(18, 15)
+#define M4U_PORT_L18_CAM_LSCI_R1_C		MTK_M4U_ID(18, 16)
+
+/* larb19 */
+#define M4U_PORT_L19_IPE_DVS_RDMA		MTK_M4U_ID(19, 0)
+#define M4U_PORT_L19_IPE_DVS_WDMA		MTK_M4U_ID(19, 1)
+#define M4U_PORT_L19_IPE_DVP_RDMA		MTK_M4U_ID(19, 2)
+#define M4U_PORT_L19_IPE_DVP_WDMA		MTK_M4U_ID(19, 3)
+
+/* larb20 */
+#define M4U_PORT_L20_IPE_FDVT_RDA		MTK_M4U_ID(20, 0)
+#define M4U_PORT_L20_IPE_FDVT_RDB		MTK_M4U_ID(20, 1)
+#define M4U_PORT_L20_IPE_FDVT_WRA		MTK_M4U_ID(20, 2)
+#define M4U_PORT_L20_IPE_FDVT_WRB		MTK_M4U_ID(20, 3)
+#define M4U_PORT_L20_IPE_RSC_RDMA0		MTK_M4U_ID(20, 4)
+#define M4U_PORT_L20_IPE_RSC_WDMA		MTK_M4U_ID(20, 5)
+
+#endif
diff --git a/include/dt-bindings/memory/mtk-memory-port.h b/include/dt-bindings/memory/mtk-memory-port.h
new file mode 100644
index 0000000..7d64103
--- /dev/null
+++ b/include/dt-bindings/memory/mtk-memory-port.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Yong Wu <yong.wu@mediatek.com>
+ */
+#ifndef __DT_BINDINGS_MEMORY_MTK_MEMORY_PORT_H_
+#define __DT_BINDINGS_MEMORY_MTK_MEMORY_PORT_H_
+
+#define MTK_LARB_NR_MAX			32
+
+#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#define MTK_M4U_TO_LARB(id)		(((id) >> 5) & 0x1f)
+#define MTK_M4U_TO_PORT(id)		((id) & 0x1f)
+
+#endif
diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h
index 985f2bb..e6526b1 100644
--- a/include/dt-bindings/usb/pd.h
+++ b/include/dt-bindings/usb/pd.h
@@ -85,4 +85,384 @@
 	 PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) |	\
 	 PDO_PPS_APDO_MAX_CURR(max_ma))
 
- #endif /* __DT_POWER_DELIVERY_H */
+ /*
+  * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0,
+  * Version 1.2"
+  * Initial current capability of the new source when vSafe5V is applied.
+  */
+#define FRS_DEFAULT_POWER      1
+#define FRS_5V_1P5A            2
+#define FRS_5V_3A              3
+
+/*
+ * SVDM Identity Header
+ * --------------------
+ * <31>     :: data capable as a USB host
+ * <30>     :: data capable as a USB device
+ * <29:27>  :: product type (UFP / Cable / VPD)
+ * <26>     :: modal operation supported (1b == yes)
+ * <25:23>  :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <22:21>  :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <20:16>  :: Reserved, Shall be set to zero
+ * <15:0>   :: USB-IF assigned VID for this cable vendor
+ */
+
+/* PD Rev2.0 definition */
+#define IDH_PTYPE_UNDEF		0
+
+/* SOP Product Type (UFP) */
+#define IDH_PTYPE_NOT_UFP       0
+#define IDH_PTYPE_HUB           1
+#define IDH_PTYPE_PERIPH        2
+#define IDH_PTYPE_PSD           3
+#define IDH_PTYPE_AMA           5
+
+/* SOP' Product Type (Cable Plug / VPD) */
+#define IDH_PTYPE_NOT_CABLE     0
+#define IDH_PTYPE_PCABLE        3
+#define IDH_PTYPE_ACABLE        4
+#define IDH_PTYPE_VPD           6
+
+/* SOP Product Type (DFP) */
+#define IDH_PTYPE_NOT_DFP       0
+#define IDH_PTYPE_DFP_HUB       1
+#define IDH_PTYPE_DFP_HOST      2
+#define IDH_PTYPE_DFP_PB        3
+
+#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid)                \
+	((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27                \
+	 | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21        \
+	 | ((vid) & 0xffff))
+
+/*
+ * Cert Stat VDO
+ * -------------
+ * <31:0>  : USB-IF assigned XID for this cable
+ */
+#define VDO_CERT(xid)		((xid) & 0xffffffff)
+
+/*
+ * Product VDO
+ * -----------
+ * <31:16> : USB Product ID
+ * <15:0>  : USB bcdDevice
+ */
+#define VDO_PRODUCT(pid, bcd)   (((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
+
+/*
+ * UFP VDO (PD Revision 3.0+ only)
+ * --------
+ * <31:29> :: UFP VDO version
+ * <28>    :: Reserved
+ * <27:24> :: Device capability
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:11> :: Reserved
+ * <10:8>  :: Vconn power (AMA only)
+ * <7>     :: Vconn required (AMA only, 0b == no, 1b == yes)
+ * <6>     :: Vbus required (AMA only, 0b == yes, 1b == no)
+ * <5:3>   :: Alternate modes
+ * <2:0>   :: USB highest speed
+ */
+/* UFP VDO Version */
+#define UFP_VDO_VER1_2		2
+
+/* Device Capability */
+#define DEV_USB2_CAPABLE	(1 << 0)
+#define DEV_USB2_BILLBOARD	(1 << 1)
+#define DEV_USB3_CAPABLE	(1 << 2)
+#define DEV_USB4_CAPABLE	(1 << 3)
+
+/* Connector Type */
+#define UFP_RECEPTACLE		2
+#define UFP_CAPTIVE		3
+
+/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
+#define AMA_VCONN_PWR_1W	0
+#define AMA_VCONN_PWR_1W5	1
+#define AMA_VCONN_PWR_2W	2
+#define AMA_VCONN_PWR_3W	3
+#define AMA_VCONN_PWR_4W	4
+#define AMA_VCONN_PWR_5W	5
+#define AMA_VCONN_PWR_6W	6
+
+/* Vconn Required (AMA only) */
+#define AMA_VCONN_NOT_REQ	0
+#define AMA_VCONN_REQ		1
+
+/* Vbus Required (AMA only) */
+#define AMA_VBUS_REQ		0
+#define AMA_VBUS_NOT_REQ	1
+
+/* Alternate Modes */
+#define UFP_ALTMODE_NOT_SUPP	0
+#define UFP_ALTMODE_TBT3	(1 << 0)
+#define UFP_ALTMODE_RECFG	(1 << 1)
+#define UFP_ALTMODE_NO_RECFG	(1 << 2)
+
+/* USB Highest Speed */
+#define UFP_USB2_ONLY		0
+#define UFP_USB32_GEN1		1
+#define UFP_USB32_4_GEN2	2
+#define UFP_USB4_GEN3		3
+
+#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd)			\
+	(((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22	\
+	 | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3	\
+	 | ((spd) & 0x7))
+
+/*
+ * DFP VDO (PD Revision 3.0+ only)
+ * --------
+ * <31:29> :: DFP VDO version
+ * <28:27> :: Reserved
+ * <26:24> :: Host capability
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:5>  :: Reserved
+ * <4:0>   :: Port number
+ */
+#define DFP_VDO_VER1_1		1
+#define HOST_USB2_CAPABLE	(1 << 0)
+#define HOST_USB3_CAPABLE	(1 << 1)
+#define HOST_USB4_CAPABLE	(1 << 2)
+#define DFP_RECEPTACLE		2
+#define DFP_CAPTIVE		3
+
+#define VDO_DFP(ver, cap, conn, pnum)						\
+	(((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22	\
+	 | ((pnum) & 0x1f))
+
+/*
+ * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:20> :: Reserved, Shall be set to zero
+ * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
+ * <17>    :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (11b == both ends active VCONN req)
+ * <10>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
+ * <9>     :: SSTX2 Directionality support
+ * <8>     :: SSRX1 Directionality support
+ * <7>     :: SSRX2 Directionality support
+ * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4>     :: Vbus through cable (0b == no, 1b == yes)
+ * <3>     :: SOP" controller present? (0b == no, 1b == yes)
+ * <2:0>   :: USB SS Signaling support
+ *
+ * Passive Cable VDO (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20>    :: Reserved, Shall be set to zero
+ * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
+ * <17>    :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
+ * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8:7>   :: Reserved, Shall be set to zero
+ * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4:3>   :: Reserved, Shall be set to zero
+ * <2:0>   :: USB highest speed
+ *
+ * Active Cable VDO 1 (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20>    :: Reserved, Shall be set to zero
+ * <19:18> :: Connector type (10b == C, 11b == Captive)
+ * <17>    :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
+ * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8>     :: SBU supported (0b == supported, 1b == not supported)
+ * <7>     :: SBU type (0b == passive, 1b == active)
+ * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4>     :: Vbus through cable (0b == no, 1b == yes)
+ * <3>     :: SOP" controller present? (0b == no, 1b == yes)
+ * <2:0>   :: USB highest speed
+ */
+/* Cable VDO Version */
+#define CABLE_VDO_VER1_0	0
+#define CABLE_VDO_VER1_3	3
+
+/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
+#define CABLE_ATYPE		0
+#define CABLE_BTYPE		1
+#define CABLE_CTYPE		2
+#define CABLE_CAPTIVE		3
+
+/* Cable Latency */
+#define CABLE_LATENCY_1M	1
+#define CABLE_LATENCY_2M	2
+#define CABLE_LATENCY_3M	3
+#define CABLE_LATENCY_4M	4
+#define CABLE_LATENCY_5M	5
+#define CABLE_LATENCY_6M	6
+#define CABLE_LATENCY_7M	7
+#define CABLE_LATENCY_7M_PLUS	8
+
+/* Cable Termination Type */
+#define PCABLE_VCONN_NOT_REQ	0
+#define PCABLE_VCONN_REQ	1
+#define ACABLE_ONE_END		2
+#define ACABLE_BOTH_END		3
+
+/* Maximum Vbus Voltage */
+#define CABLE_MAX_VBUS_20V	0
+#define CABLE_MAX_VBUS_30V	1
+#define CABLE_MAX_VBUS_40V	2
+#define CABLE_MAX_VBUS_50V	3
+
+/* Active Cable SBU Supported/Type */
+#define ACABLE_SBU_SUPP		0
+#define ACABLE_SBU_NOT_SUPP	1
+#define ACABLE_SBU_PASSIVE	0
+#define ACABLE_SBU_ACTIVE	1
+
+/* Vbus Current Handling Capability */
+#define CABLE_CURR_DEF		0
+#define CABLE_CURR_3A		1
+#define CABLE_CURR_5A		2
+
+/* USB SuperSpeed Signaling Support (PD Rev2.0) */
+#define CABLE_USBSS_U2_ONLY	0
+#define CABLE_USBSS_U31_GEN1	1
+#define CABLE_USBSS_U31_GEN2	2
+
+/* USB Highest Speed */
+#define CABLE_USB2_ONLY		0
+#define CABLE_USB32_GEN1	1
+#define CABLE_USB32_4_GEN2	2
+#define CABLE_USB4_GEN3		3
+
+#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
+	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18		\
+	 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10		\
+	 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5		\
+	 | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
+#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd)			\
+	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
+	 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
+	 | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
+#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
+	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
+	 | ((conn) & 0x3) << 18	| ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
+	 | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5	\
+	 | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
+
+/*
+ * Active Cable VDO 2
+ * ---------
+ * <31:24> :: Maximum operating temperature
+ * <23:16> :: Shutdown temperature
+ * <15>    :: Reserved, Shall be set to zero
+ * <14:12> :: U3/CLd power
+ * <11>    :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
+ * <10>    :: Physical connection (0b == copper, 1b == optical)
+ * <9>     :: Active element (0b == redriver, 1b == retimer)
+ * <8>     :: USB4 supported (0b == yes, 1b == no)
+ * <7:6>   :: USB2 hub hops consumed
+ * <5>     :: USB2 supported (0b == yes, 1b == no)
+ * <4>     :: USB3.2 supported (0b == yes, 1b == no)
+ * <3>     :: USB lanes supported (0b == one lane, 1b == two lanes)
+ * <2>     :: Optically isolated active cable (0b == no, 1b == yes)
+ * <1>     :: Reserved, Shall be set to zero
+ * <0>     :: USB gen (0b == gen1, 1b == gen2+)
+ */
+/* U3/CLd Power*/
+#define ACAB2_U3_CLD_10MW_PLUS	0
+#define ACAB2_U3_CLD_10MW	1
+#define ACAB2_U3_CLD_5MW	2
+#define ACAB2_U3_CLD_1MW	3
+#define ACAB2_U3_CLD_500UW	4
+#define ACAB2_U3_CLD_200UW	5
+#define ACAB2_U3_CLD_50UW	6
+
+/* Other Active Cable VDO 2 Fields */
+#define ACAB2_U3U0_DIRECT	0
+#define ACAB2_U3U0_U3S		1
+#define ACAB2_PHY_COPPER	0
+#define ACAB2_PHY_OPTICAL	1
+#define ACAB2_REDRIVER		0
+#define ACAB2_RETIMER		1
+#define ACAB2_USB4_SUPP		0
+#define ACAB2_USB4_NOT_SUPP	1
+#define ACAB2_USB2_SUPP		0
+#define ACAB2_USB2_NOT_SUPP	1
+#define ACAB2_USB32_SUPP	0
+#define ACAB2_USB32_NOT_SUPP	1
+#define ACAB2_LANES_ONE		0
+#define ACAB2_LANES_TWO		1
+#define ACAB2_OPT_ISO_NO	0
+#define ACAB2_OPT_ISO_YES	1
+#define ACAB2_GEN_1		0
+#define ACAB2_GEN_2_PLUS	1
+
+#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen)	\
+	(((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12	\
+	 | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8			\
+	 | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3		\
+	 | (iso) << 2 | (gen))
+
+/*
+ * AMA VDO (PD Rev2.0)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:12> :: Reserved, Shall be set to zero
+ * <11>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
+ * <10>    :: SSTX2 Directionality support
+ * <9>     :: SSRX1 Directionality support
+ * <8>     :: SSRX2 Directionality support
+ * <7:5>   :: Vconn power
+ * <4>     :: Vconn power required
+ * <3>     :: Vbus power required
+ * <2:0>   :: USB SS Signaling support
+ */
+#define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \
+	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24			\
+	 | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8	\
+	 | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3		\
+	 | ((usbss) & 0x7))
+
+#define PD_VDO_AMA_VCONN_REQ(vdo)	(((vdo) >> 4) & 1)
+#define PD_VDO_AMA_VBUS_REQ(vdo)	(((vdo) >> 3) & 1)
+
+#define AMA_USBSS_U2_ONLY	0
+#define AMA_USBSS_U31_GEN1	1
+#define AMA_USBSS_U31_GEN2	2
+#define AMA_USBSS_BBONLY	3
+
+/*
+ * VPD VDO
+ * ---------
+ * <31:28> :: HW version
+ * <27:24> :: FW version
+ * <23:21> :: VDO version
+ * <20:17> :: Reserved, Shall be set to zero
+ * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <14>    :: Charge through current support (0b == 3A, 1b == 5A)
+ * <13>    :: Reserved, Shall be set to zero
+ * <12:7>  :: Vbus impedance
+ * <6:1>   :: Ground impedance
+ * <0>     :: Charge through support (0b == no, 1b == yes)
+ */
+#define VPD_VDO_VER1_0		0
+#define VPD_MAX_VBUS_20V	0
+#define VPD_MAX_VBUS_30V	1
+#define VPD_MAX_VBUS_40V	2
+#define VPD_MAX_VBUS_50V	3
+#define VPDCT_CURR_3A		0
+#define VPDCT_CURR_5A		1
+#define VPDCT_NOT_SUPP		0
+#define VPDCT_SUPP		1
+
+#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct)			\
+	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21	\
+	 | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7	\
+	 | ((gi) & 0x3f) << 1 | (ct))
+
+#endif /* __DT_POWER_DELIVERY_H */
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 1d94acd..90f2189 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -13,7 +13,14 @@
 #define ARMV8_PMU_CYCLE_IDX		(ARMV8_PMU_MAX_COUNTERS - 1)
 #define ARMV8_PMU_MAX_COUNTER_PAIRS	((ARMV8_PMU_MAX_COUNTERS + 1) >> 1)
 
-#ifdef CONFIG_KVM_ARM_PMU
+DECLARE_STATIC_KEY_FALSE(kvm_arm_pmu_available);
+
+static __always_inline bool kvm_arm_support_pmu_v3(void)
+{
+	return static_branch_likely(&kvm_arm_pmu_available);
+}
+
+#ifdef CONFIG_HW_PERF_EVENTS
 
 struct kvm_pmc {
 	u8 idx;	/* index into the pmu->pmc array */
@@ -24,13 +31,11 @@
 	int irq_num;
 	struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS];
 	DECLARE_BITMAP(chained, ARMV8_PMU_MAX_COUNTER_PAIRS);
-	bool ready;
 	bool created;
 	bool irq_level;
 	struct irq_work overflow_work;
 };
 
-#define kvm_arm_pmu_v3_ready(v)		((v)->arch.pmu.ready)
 #define kvm_arm_pmu_irq_initialized(v)	((v)->arch.pmu.irq_num >= VGIC_NR_SGIS)
 u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu, u64 select_idx);
 void kvm_pmu_set_counter_value(struct kvm_vcpu *vcpu, u64 select_idx, u64 val);
@@ -49,7 +54,6 @@
 void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val);
 void kvm_pmu_set_counter_event_type(struct kvm_vcpu *vcpu, u64 data,
 				    u64 select_idx);
-bool kvm_arm_support_pmu_v3(void);
 int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu,
 			    struct kvm_device_attr *attr);
 int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu,
@@ -61,7 +65,6 @@
 struct kvm_pmu {
 };
 
-#define kvm_arm_pmu_v3_ready(v)		(false)
 #define kvm_arm_pmu_irq_initialized(v)	(false)
 static inline u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu,
 					    u64 select_idx)
@@ -90,7 +93,6 @@
 static inline void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val) {}
 static inline void kvm_pmu_set_counter_event_type(struct kvm_vcpu *vcpu,
 						  u64 data, u64 select_idx) {}
-static inline bool kvm_arm_support_pmu_v3(void) { return false; }
 static inline int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu,
 					  struct kvm_device_attr *attr)
 {
@@ -114,6 +116,7 @@
 {
 	return 0;
 }
+
 #endif
 
 #endif
diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h
index 5b58bd2..4a10033 100644
--- a/include/kvm/arm_psci.h
+++ b/include/kvm/arm_psci.h
@@ -13,8 +13,9 @@
 #define KVM_ARM_PSCI_0_1	PSCI_VERSION(0, 1)
 #define KVM_ARM_PSCI_0_2	PSCI_VERSION(0, 2)
 #define KVM_ARM_PSCI_1_0	PSCI_VERSION(1, 0)
+#define KVM_ARM_PSCI_1_1	PSCI_VERSION(1, 1)
 
-#define KVM_ARM_PSCI_LATEST	KVM_ARM_PSCI_1_0
+#define KVM_ARM_PSCI_LATEST	KVM_ARM_PSCI_1_1
 
 /*
  * We need the KVM pointer independently from the vcpu as we can call
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index a8d8fdc..65e09c3 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -5,9 +5,11 @@
 #ifndef __KVM_ARM_VGIC_H
 #define __KVM_ARM_VGIC_H
 
-#include <linux/kernel.h>
+#include <linux/bits.h>
 #include <linux/kvm.h>
 #include <linux/irqreturn.h>
+#include <linux/kref.h>
+#include <linux/mutex.h>
 #include <linux/spinlock.h>
 #include <linux/static_key.h>
 #include <linux/types.h>
@@ -72,6 +74,9 @@
 	bool			has_gicv4;
 	bool			has_gicv4_1;
 
+	/* Pseudo GICv3 from outer space */
+	bool			no_hw_deactivation;
+
 	/* GIC system register CPU interface */
 	struct static_key_false gicv3_cpuif;
 
@@ -89,6 +94,26 @@
 	VGIC_CONFIG_LEVEL
 };
 
+/*
+ * Per-irq ops overriding some common behavious.
+ *
+ * Always called in non-preemptible section and the functions can use
+ * kvm_arm_get_running_vcpu() to get the vcpu pointer for private IRQs.
+ */
+struct irq_ops {
+	/* Per interrupt flags for special-cased interrupts */
+	unsigned long flags;
+
+#define VGIC_IRQ_SW_RESAMPLE	BIT(0)	/* Clear the active state for resampling */
+
+	/*
+	 * Callback function pointer to in-kernel devices that can tell us the
+	 * state of the input level of mapped level-triggered IRQ faster than
+	 * peaking into the physical GIC.
+	 */
+	bool (*get_input_level)(int vintid);
+};
+
 struct vgic_irq {
 	raw_spinlock_t irq_lock;	/* Protects the content of the struct */
 	struct list_head lpi_list;	/* Used to link all LPIs together */
@@ -126,21 +151,17 @@
 	u8 group;			/* 0 == group 0, 1 == group 1 */
 	enum vgic_irq_config config;	/* Level or edge */
 
-	/*
-	 * Callback function pointer to in-kernel devices that can tell us the
-	 * state of the input level of mapped level-triggered IRQ faster than
-	 * peaking into the physical GIC.
-	 *
-	 * Always called in non-preemptible section and the functions can use
-	 * kvm_arm_get_running_vcpu() to get the vcpu pointer for private
-	 * IRQs.
-	 */
-	bool (*get_input_level)(int vintid);
+	struct irq_ops *ops;
 
 	void *owner;			/* Opaque pointer to reserve an interrupt
 					   for in-kernel devices. */
 };
 
+static inline bool vgic_irq_needs_resampling(struct vgic_irq *irq)
+{
+	return irq->ops && (irq->ops->flags & VGIC_IRQ_SW_RESAMPLE);
+}
+
 struct vgic_register_region;
 struct vgic_its;
 
@@ -322,6 +343,7 @@
 	 */
 	struct vgic_io_device	rd_iodev;
 	struct vgic_redist_region *rdreg;
+	u32 rdreg_index;
 
 	/* Contains the attributes and gpa of the LPI pending tables. */
 	u64 pendbaser;
@@ -351,15 +373,14 @@
 int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid,
 			bool level, void *owner);
 int kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, unsigned int host_irq,
-			  u32 vintid, bool (*get_input_level)(int vindid));
+			  u32 vintid, struct irq_ops *ops);
 int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, unsigned int vintid);
 bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int vintid);
 
 int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu);
 
 void kvm_vgic_load(struct kvm_vcpu *vcpu);
-void kvm_vgic_put(struct kvm_vcpu *vcpu);
-void kvm_vgic_vmcr_sync(struct kvm_vcpu *vcpu);
+void kvm_vgic_put(struct kvm_vcpu *vcpu, bool blocking);
 
 #define irqchip_in_kernel(k)	(!!((k)->arch.vgic.in_kernel))
 #define vgic_initialized(k)	((k)->arch.vgic.initialized)
@@ -402,6 +423,7 @@
 				 struct kvm_kernel_irq_routing_entry *irq_entry);
 
 int vgic_v4_load(struct kvm_vcpu *vcpu);
+void vgic_v4_commit(struct kvm_vcpu *vcpu);
 int vgic_v4_put(struct kvm_vcpu *vcpu, bool need_db);
 
 #endif /* __KVM_ARM_VGIC_H */
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 9c184db..2cf063e 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -55,7 +55,7 @@
 	if (!fwnode)
 		return NULL;
 
-	fwnode->ops = &acpi_static_fwnode_ops;
+	fwnode_init(fwnode, &acpi_static_fwnode_ops);
 
 	return fwnode;
 }
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 6cc93ab..55e2f02 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -17,6 +17,7 @@
 #include <linux/err.h>
 #include <linux/resource.h>
 #include <linux/regulator/consumer.h>
+#include <linux/android_kabi.h>
 
 #define AMBA_NR_IRQS	9
 #define AMBA_CID	0xb105f00d
@@ -71,6 +72,8 @@
 	struct amba_cs_uci_id	uci;
 	unsigned int		irq[AMBA_NR_IRQS];
 	char			*driver_override;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct amba_driver {
@@ -79,6 +82,8 @@
 	void			(*remove)(struct amba_device *);
 	void			(*shutdown)(struct amba_device *);
 	const struct amba_id	*id_table;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
diff --git a/include/linux/android_debug_symbols.h b/include/linux/android_debug_symbols.h
new file mode 100644
index 0000000..0748423
--- /dev/null
+++ b/include/linux/android_debug_symbols.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _ANDROID_DEBUG_SYMBOLS_H
+#define _ANDROID_DEBUG_SYMBOLS_H
+
+enum android_debug_symbol {
+	ADS_SDATA = 0,
+	ADS_BSS_END,
+	ADS_PER_CPU_START,
+	ADS_PER_CPU_END,
+	ADS_START_RO_AFTER_INIT,
+	ADS_END_RO_AFTER_INIT,
+	ADS_LINUX_BANNER,
+#ifdef CONFIG_CMA
+	ADS_TOTAL_CMA,
+#endif
+	ADS_SLAB_CACHES,
+	ADS_SLAB_MUTEX,
+	ADS_MIN_LOW_PFN,
+	ADS_MAX_PFN,
+#ifdef CONFIG_PAGE_OWNER
+	ADS_PAGE_OWNER_ENABLED,
+#endif
+#ifdef CONFIG_SLUB_DEBUG
+	ADS_SLUB_DEBUG,
+#endif
+#ifdef CONFIG_SWAP
+	ADS_NR_SWAP_PAGES,
+#endif
+#ifdef CONFIG_MMU
+	ADS_MMAP_MIN_ADDR,
+#endif
+	ADS_STACK_GUARD_GAP,
+#ifdef CONFIG_SYSCTL
+	ADS_SYSCTL_LEGACY_VA_LAYOUT,
+#endif
+	ADS_SHOW_MEM,
+	ADS_END
+};
+
+enum android_debug_per_cpu_symbol {
+	ADS_IRQ_STACK_PTR = 0,
+	ADS_DEBUG_PER_CPU_END
+};
+
+#ifdef CONFIG_ANDROID_DEBUG_SYMBOLS
+
+void *android_debug_symbol(enum android_debug_symbol symbol);
+void *android_debug_per_cpu_symbol(enum android_debug_per_cpu_symbol symbol);
+
+void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
+	void *data);
+
+#else /* !CONFIG_ANDROID_DEBUG_SYMBOLS */
+
+static inline void *android_debug_symbol(enum android_debug_symbol symbol)
+{
+	return NULL;
+}
+static inline void *android_debug_per_cpu_symbol(enum android_debug_per_cpu_symbol symbol)
+{
+	return NULL;
+}
+
+static inline void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr,
+	void *data), void *data) {}
+#endif /* CONFIG_ANDROID_DEBUG_SYMBOLS */
+
+#endif /* _ANDROID_DEBUG_SYMBOLS_H */
diff --git a/include/linux/android_kabi.h b/include/linux/android_kabi.h
new file mode 100644
index 0000000..9c7b6c0
--- /dev/null
+++ b/include/linux/android_kabi.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * android_kabi.h - Android kernel abi abstraction header
+ *
+ * Copyright (C) 2020 Google, Inc.
+ *
+ * Heavily influenced by rh_kabi.h which came from the RHEL/CENTOS kernel and
+ * was:
+ *	Copyright (c) 2014 Don Zickus
+ *	Copyright (c) 2015-2018 Jiri Benc
+ *	Copyright (c) 2015 Sabrina Dubroca, Hannes Frederic Sowa
+ *	Copyright (c) 2016-2018 Prarit Bhargava
+ *	Copyright (c) 2017 Paolo Abeni, Larry Woodman
+ *
+ * These macros are to be used to try to help alleviate future kernel abi
+ * changes that will occur as LTS and other kernel patches are merged into the
+ * tree during a period in which the kernel abi is wishing to not be disturbed.
+ *
+ * There are two times these macros should be used:
+ *  - Before the kernel abi is "frozen"
+ *    Padding can be added to various kernel structures that have in the past
+ *    been known to change over time.  That will give "room" in the structure
+ *    that can then be used when fields are added so that the structure size
+ *    will not change.
+ *
+ *  - After the kernel abi is "frozen"
+ *    If a structure's field is changed to a type that is identical in size to
+ *    the previous type, it can be changed with a union macro
+ *    If a field is added to a structure, the padding fields can be used to add
+ *    the new field in a "safe" way.
+ */
+#ifndef _ANDROID_KABI_H
+#define _ANDROID_KABI_H
+
+#include <linux/compiler.h>
+
+/*
+ * Worker macros, don't use these, use the ones without a leading '_'
+ */
+
+#define __ANDROID_KABI_CHECK_SIZE_ALIGN(_orig, _new)				\
+	union {									\
+		_Static_assert(sizeof(struct{_new;}) <= sizeof(struct{_orig;}),	\
+			       __FILE__ ":" __stringify(__LINE__) ": "		\
+			       __stringify(_new)				\
+			       " is larger than "				\
+			       __stringify(_orig) );				\
+		_Static_assert(__alignof__(struct{_new;}) <= __alignof__(struct{_orig;}),	\
+			       __FILE__ ":" __stringify(__LINE__) ": "		\
+			       __stringify(_orig)				\
+			       " is not aligned the same as "			\
+			       __stringify(_new) );				\
+	}
+
+#ifdef __GENKSYMS__
+
+#define _ANDROID_KABI_REPLACE(_orig, _new)		_orig
+
+#else
+
+#define _ANDROID_KABI_REPLACE(_orig, _new)			\
+	union {							\
+		_new;						\
+		struct {					\
+			_orig;					\
+		};						\
+		__ANDROID_KABI_CHECK_SIZE_ALIGN(_orig, _new);	\
+	}
+
+#endif /* __GENKSYMS__ */
+
+#define _ANDROID_KABI_RESERVE(n)		u64 android_kabi_reserved##n
+
+
+/*
+ * Macros to use _before_ the ABI is frozen
+ */
+
+/*
+ * ANDROID_KABI_RESERVE
+ *   Reserve some "padding" in a structure for potential future use.
+ *   This normally placed at the end of a structure.
+ *   number: the "number" of the padding variable in the structure.  Start with
+ *   1 and go up.
+ */
+#define ANDROID_KABI_RESERVE(number)	_ANDROID_KABI_RESERVE(number)
+
+
+/*
+ * Macros to use _after_ the ABI is frozen
+ */
+
+/*
+ * ANDROID_KABI_USE(number, _new)
+ *   Use a previous padding entry that was defined with ANDROID_KABI_RESERVE
+ *   number: the previous "number" of the padding variable
+ *   _new: the variable to use now instead of the padding variable
+ */
+#define ANDROID_KABI_USE(number, _new)		\
+	_ANDROID_KABI_REPLACE(_ANDROID_KABI_RESERVE(number), _new)
+
+/*
+ * ANDROID_KABI_USE2(number, _new1, _new2)
+ *   Use a previous padding entry that was defined with ANDROID_KABI_RESERVE for
+ *   two new variables that fit into 64 bits.  This is good for when you do not
+ *   want to "burn" a 64bit padding variable for a smaller variable size if not
+ *   needed.
+ */
+#define ANDROID_KABI_USE2(number, _new1, _new2)			\
+	_ANDROID_KABI_REPLACE(_ANDROID_KABI_RESERVE(number), struct{ _new1; _new2; })
+
+
+#endif /* _ANDROID_KABI_H */
diff --git a/include/linux/android_vendor.h b/include/linux/android_vendor.h
new file mode 100644
index 0000000..59fc573
--- /dev/null
+++ b/include/linux/android_vendor.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * android_vendor.h - Android vendor data
+ *
+ * Copyright 2020 Google LLC
+ *
+ * These macros are to be used to reserve space in kernel data structures
+ * for use by vendor modules.
+ *
+ * These macros should be used before the kernel abi is "frozen".
+ * Fields can be added to various kernel structures that need space
+ * for functionality implemented in vendor modules. The use of
+ * these fields is vendor specific.
+ */
+#ifndef _ANDROID_VENDOR_H
+#define _ANDROID_VENDOR_H
+
+/*
+ * ANDROID_VENDOR_DATA
+ *   Reserve some "padding" in a structure for potential future use.
+ *   This normally placed at the end of a structure.
+ *   number: the "number" of the padding variable in the structure.  Start with
+ *   1 and go up.
+ *
+ * ANDROID_VENDOR_DATA_ARRAY
+ *   Same as ANDROID_VENDOR_DATA but allocates an array of u64 with
+ *   the specified size
+ */
+#define ANDROID_VENDOR_DATA(n)		u64 android_vendor_data##n
+#define ANDROID_VENDOR_DATA_ARRAY(n, s)	u64 android_vendor_data##n[s]
+
+#define ANDROID_OEM_DATA(n)		u64 android_oem_data##n
+#define ANDROID_OEM_DATA_ARRAY(n, s)	u64 android_oem_data##n[s]
+
+#endif /* _ANDROID_VENDOR_H */
diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h
index d0d7d96..71881a2b 100644
--- a/include/linux/anon_inodes.h
+++ b/include/linux/anon_inodes.h
@@ -10,12 +10,17 @@
 #define _LINUX_ANON_INODES_H
 
 struct file_operations;
+struct inode;
 
 struct file *anon_inode_getfile(const char *name,
 				const struct file_operations *fops,
 				void *priv, int flags);
 int anon_inode_getfd(const char *name, const struct file_operations *fops,
 		     void *priv, int flags);
+int anon_inode_getfd_secure(const char *name,
+			    const struct file_operations *fops,
+			    void *priv, int flags,
+			    const struct inode *context_inode);
 
 #endif /* _LINUX_ANON_INODES_H */
 
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 0f6cd6b..d76d953 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -7,6 +7,7 @@
 
 #include <linux/types.h>
 #include <linux/percpu.h>
+#include <linux/android_vendor.h>
 
 void topology_normalize_cpu_scale(void);
 int topology_update_cpu_topology(void);
@@ -54,6 +55,8 @@
 	cpumask_t thread_sibling;
 	cpumask_t core_sibling;
 	cpumask_t llc_sibling;
+
+	cpumask_t android_vendor_data1;
 };
 
 #ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
@@ -72,5 +75,6 @@
 void reset_cpu_topology(void);
 int parse_acpi_topology(void);
 #endif
+extern bool topology_update_done;
 
 #endif /* _LINUX_ARCH_TOPOLOGY_H_ */
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index ff38737..32b0f91 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -55,6 +55,8 @@
 #define ARM_SMCCC_OWNER_TRUSTED_OS	50
 #define ARM_SMCCC_OWNER_TRUSTED_OS_END	63
 
+#define ARM_SMCCC_FUNC_QUERY_CALL_UID  0xff01
+
 #define ARM_SMCCC_QUIRK_NONE		0
 #define ARM_SMCCC_QUIRK_QCOM_A6		1 /* Save/restore register a6 */
 
@@ -87,6 +89,37 @@
 			   ARM_SMCCC_SMC_32,				\
 			   0, 0x7fff)
 
+#define ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID				\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_32,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_FUNC_QUERY_CALL_UID)
+
+/* KVM UID value: 28b46fb6-2ec5-11e9-a9ca-4b564d003a74 */
+#define ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_0	0xb66fb428U
+#define ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_1	0xe911c52eU
+#define ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_2	0x564bcaa9U
+#define ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_3	0x743a004dU
+
+/* KVM "vendor specific" services */
+#define ARM_SMCCC_KVM_FUNC_FEATURES		0
+#define ARM_SMCCC_KVM_FUNC_PTP			1
+#define ARM_SMCCC_KVM_FUNC_HYP_MEMINFO		2
+#define ARM_SMCCC_KVM_FUNC_MEM_SHARE		3
+#define ARM_SMCCC_KVM_FUNC_MEM_UNSHARE		4
+#define ARM_SMCCC_KVM_FUNC_MMIO_GUARD_INFO	5
+#define ARM_SMCCC_KVM_FUNC_MMIO_GUARD_ENROLL	6
+#define ARM_SMCCC_KVM_FUNC_MMIO_GUARD_MAP	7
+#define ARM_SMCCC_KVM_FUNC_MMIO_GUARD_UNMAP	8
+#define ARM_SMCCC_KVM_FUNC_FEATURES_2		127
+#define ARM_SMCCC_KVM_NUM_FUNCS			128
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_FEATURES_FUNC_ID			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_32,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_FEATURES)
+
 #define ARM_SMCCC_ARCH_WORKAROUND_3					\
 	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
 			   ARM_SMCCC_SMC_32,				\
@@ -94,6 +127,63 @@
 
 #define SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED	1
 
+/*
+ * ptp_kvm is a feature used for time sync between vm and host.
+ * ptp_kvm module in guest kernel will get service from host using
+ * this hypercall ID.
+ */
+#define ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID				\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_32,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_PTP)
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_HYP_MEMINFO_FUNC_ID			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_64,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_HYP_MEMINFO)
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_MEM_SHARE_FUNC_ID			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_64,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_MEM_SHARE)
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_MEM_UNSHARE_FUNC_ID			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_64,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_MEM_UNSHARE)
+
+/* ptp_kvm counter type ID */
+#define KVM_PTP_VIRT_COUNTER			0
+#define KVM_PTP_PHYS_COUNTER			1
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_INFO_FUNC_ID		\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_64,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_MMIO_GUARD_INFO)
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_ENROLL_FUNC_ID		\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_64,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_MMIO_GUARD_ENROLL)
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_MAP_FUNC_ID			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_64,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_MMIO_GUARD_MAP)
+
+#define ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_UNMAP_FUNC_ID		\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
+			   ARM_SMCCC_SMC_64,				\
+			   ARM_SMCCC_OWNER_VENDOR_HYP,			\
+			   ARM_SMCCC_KVM_FUNC_MMIO_GUARD_UNMAP)
+
 /* Paravirtualised time calls (defined by ARM DEN0057A) */
 #define ARM_SMCCC_HV_PV_TIME_FEATURES				\
 	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
@@ -107,6 +197,37 @@
 			   ARM_SMCCC_OWNER_STANDARD_HYP,	\
 			   0x21)
 
+/* TRNG entropy source calls (defined by ARM DEN0098) */
+#define ARM_SMCCC_TRNG_VERSION					\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_32,			\
+			   ARM_SMCCC_OWNER_STANDARD,		\
+			   0x50)
+
+#define ARM_SMCCC_TRNG_FEATURES					\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_32,			\
+			   ARM_SMCCC_OWNER_STANDARD,		\
+			   0x51)
+
+#define ARM_SMCCC_TRNG_GET_UUID					\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_32,			\
+			   ARM_SMCCC_OWNER_STANDARD,		\
+			   0x52)
+
+#define ARM_SMCCC_TRNG_RND32					\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_32,			\
+			   ARM_SMCCC_OWNER_STANDARD,		\
+			   0x53)
+
+#define ARM_SMCCC_TRNG_RND64					\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_64,			\
+			   ARM_SMCCC_OWNER_STANDARD,		\
+			   0x53)
+
 /*
  * Return codes defined in ARM DEN 0070A
  * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
@@ -160,6 +281,61 @@
 	unsigned long a3;
 };
 
+#ifdef CONFIG_ARM64
+/**
+ * struct arm_smccc_1_2_regs - Arguments for or Results from SMC/HVC call
+ * @a0-a17 argument values from registers 0 to 17
+ */
+struct arm_smccc_1_2_regs {
+	unsigned long a0;
+	unsigned long a1;
+	unsigned long a2;
+	unsigned long a3;
+	unsigned long a4;
+	unsigned long a5;
+	unsigned long a6;
+	unsigned long a7;
+	unsigned long a8;
+	unsigned long a9;
+	unsigned long a10;
+	unsigned long a11;
+	unsigned long a12;
+	unsigned long a13;
+	unsigned long a14;
+	unsigned long a15;
+	unsigned long a16;
+	unsigned long a17;
+};
+
+/**
+ * arm_smccc_1_2_hvc() - make HVC calls
+ * @args: arguments passed via struct arm_smccc_1_2_regs
+ * @res: result values via struct arm_smccc_1_2_regs
+ *
+ * This function is used to make HVC calls following SMC Calling Convention
+ * v1.2 or above. The content of the supplied param are copied from the
+ * structure to registers prior to the HVC instruction. The return values
+ * are updated with the content from registers on return from the HVC
+ * instruction.
+ */
+asmlinkage void arm_smccc_1_2_hvc(const struct arm_smccc_1_2_regs *args,
+				  struct arm_smccc_1_2_regs *res);
+
+/**
+ * arm_smccc_1_2_smc() - make SMC calls
+ * @args: arguments passed via struct arm_smccc_1_2_regs
+ * @res: result values via struct arm_smccc_1_2_regs
+ *
+ * This function is used to make SMC calls following SMC Calling Convention
+ * v1.2 or above. The content of the supplied param are copied from the
+ * structure to registers prior to the SMC instruction. The return values
+ * are updated with the content from registers on return from the SMC
+ * instruction.
+ */
+asmlinkage void arm_smccc_1_2_smc(const struct arm_smccc_1_2_regs *args,
+				  struct arm_smccc_1_2_regs *res);
+#endif
+
 /**
  * struct arm_smccc_quirk - Contains quirk information
  * @id: quirk identification
diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h
new file mode 100644
index 0000000..45a36ce
--- /dev/null
+++ b/include/linux/arm_ffa.h
@@ -0,0 +1,361 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2021 ARM Ltd.
+ */
+
+#ifndef _LINUX_ARM_FFA_H
+#define _LINUX_ARM_FFA_H
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/uuid.h>
+
+#define FFA_SMC(calling_convention, func_num)				\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, (calling_convention),	\
+			   ARM_SMCCC_OWNER_STANDARD, (func_num))
+
+#define FFA_SMC_32(func_num)	FFA_SMC(ARM_SMCCC_SMC_32, (func_num))
+#define FFA_SMC_64(func_num)	FFA_SMC(ARM_SMCCC_SMC_64, (func_num))
+
+#define FFA_ERROR			FFA_SMC_32(0x60)
+#define FFA_SUCCESS			FFA_SMC_32(0x61)
+#define FFA_INTERRUPT			FFA_SMC_32(0x62)
+#define FFA_VERSION			FFA_SMC_32(0x63)
+#define FFA_FEATURES			FFA_SMC_32(0x64)
+#define FFA_RX_RELEASE			FFA_SMC_32(0x65)
+#define FFA_RXTX_MAP			FFA_SMC_32(0x66)
+#define FFA_FN64_RXTX_MAP		FFA_SMC_64(0x66)
+#define FFA_RXTX_UNMAP			FFA_SMC_32(0x67)
+#define FFA_PARTITION_INFO_GET		FFA_SMC_32(0x68)
+#define FFA_ID_GET			FFA_SMC_32(0x69)
+#define FFA_MSG_POLL			FFA_SMC_32(0x6A)
+#define FFA_MSG_WAIT			FFA_SMC_32(0x6B)
+#define FFA_YIELD			FFA_SMC_32(0x6C)
+#define FFA_RUN				FFA_SMC_32(0x6D)
+#define FFA_MSG_SEND			FFA_SMC_32(0x6E)
+#define FFA_MSG_SEND_DIRECT_REQ		FFA_SMC_32(0x6F)
+#define FFA_FN64_MSG_SEND_DIRECT_REQ	FFA_SMC_64(0x6F)
+#define FFA_MSG_SEND_DIRECT_RESP	FFA_SMC_32(0x70)
+#define FFA_FN64_MSG_SEND_DIRECT_RESP	FFA_SMC_64(0x70)
+#define FFA_MEM_DONATE			FFA_SMC_32(0x71)
+#define FFA_FN64_MEM_DONATE		FFA_SMC_64(0x71)
+#define FFA_MEM_LEND			FFA_SMC_32(0x72)
+#define FFA_FN64_MEM_LEND		FFA_SMC_64(0x72)
+#define FFA_MEM_SHARE			FFA_SMC_32(0x73)
+#define FFA_FN64_MEM_SHARE		FFA_SMC_64(0x73)
+#define FFA_MEM_RETRIEVE_REQ		FFA_SMC_32(0x74)
+#define FFA_FN64_MEM_RETRIEVE_REQ	FFA_SMC_64(0x74)
+#define FFA_MEM_RETRIEVE_RESP		FFA_SMC_32(0x75)
+#define FFA_MEM_RELINQUISH		FFA_SMC_32(0x76)
+#define FFA_MEM_RECLAIM			FFA_SMC_32(0x77)
+#define FFA_MEM_OP_PAUSE		FFA_SMC_32(0x78)
+#define FFA_MEM_OP_RESUME		FFA_SMC_32(0x79)
+#define FFA_MEM_FRAG_RX			FFA_SMC_32(0x7A)
+#define FFA_MEM_FRAG_TX			FFA_SMC_32(0x7B)
+#define FFA_NORMAL_WORLD_RESUME		FFA_SMC_32(0x7C)
+
+/*
+ * For some calls it is necessary to use SMC64 to pass or return 64-bit values.
+ * For such calls FFA_FN_NATIVE(name) will choose the appropriate
+ * (native-width) function ID.
+ */
+#ifdef CONFIG_64BIT
+#define FFA_FN_NATIVE(name)	FFA_FN64_##name
+#else
+#define FFA_FN_NATIVE(name)	FFA_##name
+#endif
+
+/* FFA error codes. */
+#define FFA_RET_SUCCESS            (0)
+#define FFA_RET_NOT_SUPPORTED      (-1)
+#define FFA_RET_INVALID_PARAMETERS (-2)
+#define FFA_RET_NO_MEMORY          (-3)
+#define FFA_RET_BUSY               (-4)
+#define FFA_RET_INTERRUPTED        (-5)
+#define FFA_RET_DENIED             (-6)
+#define FFA_RET_RETRY              (-7)
+#define FFA_RET_ABORTED            (-8)
+
+/* FFA version encoding */
+#define FFA_MAJOR_VERSION_MASK	GENMASK(30, 16)
+#define FFA_MINOR_VERSION_MASK	GENMASK(15, 0)
+#define FFA_MAJOR_VERSION(x)	((u16)(FIELD_GET(FFA_MAJOR_VERSION_MASK, (x))))
+#define FFA_MINOR_VERSION(x)	((u16)(FIELD_GET(FFA_MINOR_VERSION_MASK, (x))))
+#define FFA_PACK_VERSION_INFO(major, minor)			\
+	(FIELD_PREP(FFA_MAJOR_VERSION_MASK, (major)) |		\
+	 FIELD_PREP(FFA_MINOR_VERSION_MASK, (minor)))
+#define FFA_VERSION_1_0		FFA_PACK_VERSION_INFO(1, 0)
+
+/**
+ * FF-A specification mentions explicitly about '4K pages'. This should
+ * not be confused with the kernel PAGE_SIZE, which is the translation
+ * granule kernel is configured and may be one among 4K, 16K and 64K.
+ */
+#define FFA_PAGE_SIZE		SZ_4K
+
+/*
+ * Minimum buffer size/alignment encodings returned by an FFA_FEATURES
+ * query for FFA_RXTX_MAP.
+ */
+#define FFA_FEAT_RXTX_MIN_SZ_4K		0
+#define FFA_FEAT_RXTX_MIN_SZ_64K	1
+#define FFA_FEAT_RXTX_MIN_SZ_16K	2
+
+/* FFA Bus/Device/Driver related */
+struct ffa_device {
+	u32 id;
+	int vm_id;
+	bool mode_32bit;
+	uuid_t uuid;
+	struct device dev;
+};
+
+#define to_ffa_dev(d) container_of(d, struct ffa_device, dev)
+
+struct ffa_device_id {
+	uuid_t uuid;
+};
+
+struct ffa_driver {
+	const char *name;
+	int (*probe)(struct ffa_device *sdev);
+	void (*remove)(struct ffa_device *sdev);
+	const struct ffa_device_id *id_table;
+
+	struct device_driver driver;
+};
+
+#define to_ffa_driver(d) container_of(d, struct ffa_driver, driver)
+
+static inline void ffa_dev_set_drvdata(struct ffa_device *fdev, void *data)
+{
+	fdev->dev.driver_data = data;
+}
+
+#if IS_REACHABLE(CONFIG_ARM_FFA_TRANSPORT)
+struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id);
+void ffa_device_unregister(struct ffa_device *ffa_dev);
+int ffa_driver_register(struct ffa_driver *driver, struct module *owner,
+			const char *mod_name);
+void ffa_driver_unregister(struct ffa_driver *driver);
+bool ffa_device_is_valid(struct ffa_device *ffa_dev);
+const struct ffa_dev_ops *ffa_dev_ops_get(struct ffa_device *dev);
+
+#else
+static inline
+struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id)
+{
+	return NULL;
+}
+
+static inline void ffa_device_unregister(struct ffa_device *dev) {}
+
+static inline int
+ffa_driver_register(struct ffa_driver *driver, struct module *owner,
+		    const char *mod_name)
+{
+	return -EINVAL;
+}
+
+static inline void ffa_driver_unregister(struct ffa_driver *driver) {}
+
+static inline
+bool ffa_device_is_valid(struct ffa_device *ffa_dev) { return false; }
+
+static inline
+const struct ffa_dev_ops *ffa_dev_ops_get(struct ffa_device *dev)
+{
+	return NULL;
+}
+#endif /* CONFIG_ARM_FFA_TRANSPORT */
+
+#define ffa_register(driver) \
+	ffa_driver_register(driver, THIS_MODULE, KBUILD_MODNAME)
+#define ffa_unregister(driver) \
+	ffa_driver_unregister(driver)
+
+/**
+ * module_ffa_driver() - Helper macro for registering a psa_ffa driver
+ * @__ffa_driver: ffa_driver structure
+ *
+ * Helper macro for psa_ffa drivers to set up proper module init / exit
+ * functions.  Replaces module_init() and module_exit() and keeps people from
+ * printing pointless things to the kernel log when their driver is loaded.
+ */
+#define module_ffa_driver(__ffa_driver)	\
+	module_driver(__ffa_driver, ffa_register, ffa_unregister)
+
+/* FFA transport related */
+struct ffa_partition_info {
+	u16 id;
+	u16 exec_ctxt;
+/* partition supports receipt of direct requests */
+#define FFA_PARTITION_DIRECT_RECV	BIT(0)
+/* partition can send direct requests. */
+#define FFA_PARTITION_DIRECT_SEND	BIT(1)
+/* partition can send and receive indirect messages. */
+#define FFA_PARTITION_INDIRECT_MSG	BIT(2)
+	u32 properties;
+};
+
+/* For use with FFA_MSG_SEND_DIRECT_{REQ,RESP} which pass data via registers */
+struct ffa_send_direct_data {
+	unsigned long data0; /* w3/x3 */
+	unsigned long data1; /* w4/x4 */
+	unsigned long data2; /* w5/x5 */
+	unsigned long data3; /* w6/x6 */
+	unsigned long data4; /* w7/x7 */
+};
+
+struct ffa_mem_region_addr_range {
+	/* The base IPA of the constituent memory region, aligned to 4 kiB */
+	u64 address;
+	/* The number of 4 kiB pages in the constituent memory region. */
+	u32 pg_cnt;
+	u32 reserved;
+};
+
+struct ffa_composite_mem_region {
+	/*
+	 * The total number of 4 kiB pages included in this memory region. This
+	 * must be equal to the sum of page counts specified in each
+	 * `struct ffa_mem_region_addr_range`.
+	 */
+	u32 total_pg_cnt;
+	/* The number of constituents included in this memory region range */
+	u32 addr_range_cnt;
+	u64 reserved;
+	/** An array of `addr_range_cnt` memory region constituents. */
+	struct ffa_mem_region_addr_range constituents[];
+};
+
+struct ffa_mem_region_attributes {
+	/* The ID of the VM to which the memory is being given or shared. */
+	u16 receiver;
+	/*
+	 * The permissions with which the memory region should be mapped in the
+	 * receiver's page table.
+	 */
+#define FFA_MEM_EXEC		BIT(3)
+#define FFA_MEM_NO_EXEC		BIT(2)
+#define FFA_MEM_RW		BIT(1)
+#define FFA_MEM_RO		BIT(0)
+	u8 attrs;
+	/*
+	 * Flags used during FFA_MEM_RETRIEVE_REQ and FFA_MEM_RETRIEVE_RESP
+	 * for memory regions with multiple borrowers.
+	 */
+#define FFA_MEM_RETRIEVE_SELF_BORROWER	BIT(0)
+	u8 flag;
+	/*
+	 * Offset in bytes from the start of the outer `ffa_memory_region` to
+	 * an `struct ffa_mem_region_addr_range`.
+	 */
+	u32 composite_off;
+	u64 reserved;
+};
+
+struct ffa_mem_region {
+	/* The ID of the VM/owner which originally sent the memory region */
+	u16 sender_id;
+#define FFA_MEM_NORMAL		BIT(5)
+#define FFA_MEM_DEVICE		BIT(4)
+
+#define FFA_MEM_WRITE_BACK	(3 << 2)
+#define FFA_MEM_NON_CACHEABLE	(1 << 2)
+
+#define FFA_DEV_nGnRnE		(0 << 2)
+#define FFA_DEV_nGnRE		(1 << 2)
+#define FFA_DEV_nGRE		(2 << 2)
+#define FFA_DEV_GRE		(3 << 2)
+
+#define FFA_MEM_NON_SHAREABLE	(0)
+#define FFA_MEM_OUTER_SHAREABLE	(2)
+#define FFA_MEM_INNER_SHAREABLE	(3)
+	u8 attributes;
+	u8 reserved_0;
+/*
+ * Clear memory region contents after unmapping it from the sender and
+ * before mapping it for any receiver.
+ */
+#define FFA_MEM_CLEAR			BIT(0)
+/*
+ * Whether the hypervisor may time slice the memory sharing or retrieval
+ * operation.
+ */
+#define FFA_TIME_SLICE_ENABLE		BIT(1)
+
+#define FFA_MEM_RETRIEVE_TYPE_IN_RESP	(0 << 3)
+#define FFA_MEM_RETRIEVE_TYPE_SHARE	(1 << 3)
+#define FFA_MEM_RETRIEVE_TYPE_LEND	(2 << 3)
+#define FFA_MEM_RETRIEVE_TYPE_DONATE	(3 << 3)
+
+#define FFA_MEM_RETRIEVE_ADDR_ALIGN_HINT	BIT(9)
+#define FFA_MEM_RETRIEVE_ADDR_ALIGN(x)		((x) << 5)
+	/* Flags to control behaviour of the transaction. */
+	u32 flags;
+#define HANDLE_LOW_MASK		GENMASK_ULL(31, 0)
+#define HANDLE_HIGH_MASK	GENMASK_ULL(63, 32)
+#define HANDLE_LOW(x)		((u32)(FIELD_GET(HANDLE_LOW_MASK, (x))))
+#define	HANDLE_HIGH(x)		((u32)(FIELD_GET(HANDLE_HIGH_MASK, (x))))
+
+#define PACK_HANDLE(l, h)		\
+	(FIELD_PREP(HANDLE_LOW_MASK, (l)) | FIELD_PREP(HANDLE_HIGH_MASK, (h)))
+	/*
+	 * A globally-unique ID assigned by the hypervisor for a region
+	 * of memory being sent between VMs.
+	 */
+	u64 handle;
+	/*
+	 * An implementation defined value associated with the receiver and the
+	 * memory region.
+	 */
+	u64 tag;
+	u32 reserved_1;
+	/*
+	 * The number of `ffa_mem_region_attributes` entries included in this
+	 * transaction.
+	 */
+	u32 ep_count;
+	/*
+	 * An array of endpoint memory access descriptors.
+	 * Each one specifies a memory region offset, an endpoint and the
+	 * attributes with which this memory region should be mapped in that
+	 * endpoint's page table.
+	 */
+	struct ffa_mem_region_attributes ep_mem_access[];
+};
+
+#define	COMPOSITE_OFFSET(x)	\
+	(offsetof(struct ffa_mem_region, ep_mem_access[x]))
+#define CONSTITUENTS_OFFSET(x)	\
+	(offsetof(struct ffa_composite_mem_region, constituents[x]))
+#define COMPOSITE_CONSTITUENTS_OFFSET(x, y)	\
+	(COMPOSITE_OFFSET(x) + CONSTITUENTS_OFFSET(y))
+
+struct ffa_mem_ops_args {
+	bool use_txbuf;
+	u32 nattrs;
+	u32 flags;
+	u64 tag;
+	u64 g_handle;
+	struct scatterlist *sg;
+	struct ffa_mem_region_attributes *attrs;
+};
+
+struct ffa_dev_ops {
+	u32 (*api_version_get)(void);
+	int (*partition_info_get)(const char *uuid_str,
+				  struct ffa_partition_info *buffer);
+	void (*mode_32bit_set)(struct ffa_device *dev);
+	int (*sync_send_receive)(struct ffa_device *dev,
+				 struct ffa_send_direct_data *data);
+	int (*memory_reclaim)(u64 g_handle, u32 flags);
+	int (*memory_share)(struct ffa_device *dev,
+			    struct ffa_mem_ops_args *args);
+	int (*memory_lend)(struct ffa_device *dev,
+			   struct ffa_mem_ops_args *args);
+};
+
+#endif /* _LINUX_ARM_FFA_H */
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index fff9367..f3314ad 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -13,6 +13,7 @@
 #include <linux/workqueue.h>
 #include <linux/kref.h>
 #include <linux/refcount.h>
+#include <linux/android_kabi.h>
 
 struct page;
 struct device;
@@ -160,6 +161,9 @@
 		struct rcu_head rcu;
 	};
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct backing_dev_info {
@@ -198,6 +202,9 @@
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debug_dir;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 enum {
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 5a9786e..0571701 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -82,9 +82,6 @@
 	unsigned long mm_flags;
 	loff_t written;
 	loff_t pos;
-	int vma_count;
-	size_t vma_data_size;
-	struct core_vma_metadata *vma_meta;
 };
 
 /*
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 23b7a73..2cfea89 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -10,6 +10,7 @@
 #include <linux/ioprio.h>
 /* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */
 #include <linux/blk_types.h>
+#include <linux/android_kabi.h>
 
 #define BIO_DEBUG
 
@@ -19,7 +20,12 @@
 #define BIO_BUG_ON
 #endif
 
-#define BIO_MAX_PAGES		256
+#define BIO_MAX_PAGES		256U
+
+static inline unsigned int bio_max_segs(unsigned int nr_segs)
+{
+	return min(nr_segs, BIO_MAX_PAGES);
+}
 
 #define bio_prio(bio)			(bio)->bi_ioprio
 #define bio_set_prio(bio, prio)		((bio)->bi_ioprio = prio)
@@ -321,6 +327,10 @@
 	struct work_struct	bip_work;	/* I/O completion */
 
 	struct bio_vec		*bip_vec;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
 	struct bio_vec		bip_inline_vecs[];/* embedded bvec array */
 };
 
@@ -694,6 +704,11 @@
 	struct bio_list		rescue_list;
 	struct work_struct	rescue_work;
 	struct workqueue_struct	*rescue_workqueue;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct biovec_slab {
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 0e6e84d..7c86f5c7 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -24,7 +24,9 @@
 #include <linux/atomic.h>
 #include <linux/kthread.h>
 #include <linux/fs.h>
+#ifndef __GENKSYMS__
 #include <linux/blk-mq.h>
+#endif
 
 /* percpu_counter batch for blkg_[rw]stats, per-cpu drift doesn't matter */
 #define BLKG_STAT_CPU_BATCH	(INT_MAX / 2)
diff --git a/include/linux/blk-crypto.h b/include/linux/blk-crypto.h
index 5e96bad..d89f521 100644
--- a/include/linux/blk-crypto.h
+++ b/include/linux/blk-crypto.h
@@ -17,6 +17,8 @@
 };
 
 #define BLK_CRYPTO_MAX_KEY_SIZE		64
+#define BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE                128
+
 /**
  * struct blk_crypto_config - an inline encryption key's crypto configuration
  * @crypto_mode: encryption algorithm this key is for
@@ -25,11 +27,14 @@
  *	ciphertext.  This is always a power of 2.  It might be e.g. the
  *	filesystem block size or the disk sector size.
  * @dun_bytes: the maximum number of bytes of DUN used when using this key
+ * @is_hw_wrapped: @raw points to a wrapped key to be used by an inline
+ *	encryption hardware that accepts wrapped keys.
  */
 struct blk_crypto_config {
 	enum blk_crypto_mode_num crypto_mode;
 	unsigned int data_unit_size;
 	unsigned int dun_bytes;
+	bool is_hw_wrapped;
 };
 
 /**
@@ -48,7 +53,7 @@
 	struct blk_crypto_config crypto_cfg;
 	unsigned int data_unit_size_bits;
 	unsigned int size;
-	u8 raw[BLK_CRYPTO_MAX_KEY_SIZE];
+	u8 raw[BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE];
 };
 
 #define BLK_CRYPTO_MAX_IV_SIZE		32
@@ -89,7 +94,9 @@
 				 unsigned int bytes,
 				 const u64 next_dun[BLK_CRYPTO_DUN_ARRAY_SIZE]);
 
-int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
+int blk_crypto_init_key(struct blk_crypto_key *blk_key,
+			const u8 *raw_key, unsigned int raw_key_size,
+			bool is_hw_wrapped,
 			enum blk_crypto_mode_num crypto_mode,
 			unsigned int dun_bytes,
 			unsigned int data_unit_size);
@@ -112,6 +119,9 @@
 
 #endif /* CONFIG_BLK_INLINE_ENCRYPTION */
 
+static inline void bio_clone_skip_dm_default_key(struct bio *dst,
+						 const struct bio *src);
+
 int __bio_crypt_clone(struct bio *dst, struct bio *src, gfp_t gfp_mask);
 /**
  * bio_crypt_clone - clone bio encryption context
@@ -127,9 +137,42 @@
 static inline int bio_crypt_clone(struct bio *dst, struct bio *src,
 				  gfp_t gfp_mask)
 {
+	bio_clone_skip_dm_default_key(dst, src);
 	if (bio_has_crypt_ctx(src))
 		return __bio_crypt_clone(dst, src, gfp_mask);
 	return 0;
 }
 
+#if IS_ENABLED(CONFIG_DM_DEFAULT_KEY)
+static inline void bio_set_skip_dm_default_key(struct bio *bio)
+{
+	bio->bi_skip_dm_default_key = true;
+}
+
+static inline bool bio_should_skip_dm_default_key(const struct bio *bio)
+{
+	return bio->bi_skip_dm_default_key;
+}
+
+static inline void bio_clone_skip_dm_default_key(struct bio *dst,
+						 const struct bio *src)
+{
+	dst->bi_skip_dm_default_key = src->bi_skip_dm_default_key;
+}
+#else /* CONFIG_DM_DEFAULT_KEY */
+static inline void bio_set_skip_dm_default_key(struct bio *bio)
+{
+}
+
+static inline bool bio_should_skip_dm_default_key(const struct bio *bio)
+{
+	return false;
+}
+
+static inline void bio_clone_skip_dm_default_key(struct bio *dst,
+						 const struct bio *src)
+{
+}
+#endif /* !CONFIG_DM_DEFAULT_KEY */
+
 #endif /* __LINUX_BLK_CRYPTO_H */
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index f8ea274..a2aa73d 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -139,10 +139,6 @@
 	 * shared across request queues.
 	 */
 	atomic_t		nr_active;
-	/**
-	 * @elevator_queued: Number of queued requests on hctx.
-	 */
-	atomic_t                elevator_queued;
 
 	/** @cpuhp_online: List to store request if CPU is going to die */
 	struct hlist_node	cpuhp_online;
@@ -398,7 +394,13 @@
 	BLK_MQ_F_STACKING	= 1 << 2,
 	BLK_MQ_F_TAG_HCTX_SHARED = 1 << 3,
 	BLK_MQ_F_BLOCKING	= 1 << 5,
+	/* Do not allow an I/O scheduler to be configured. */
 	BLK_MQ_F_NO_SCHED	= 1 << 6,
+	/*
+	 * Select 'none' during queue registration in case of a single hwq
+	 * or shared hwqs instead of 'mq-deadline'.
+	 */
+	BLK_MQ_F_NO_SCHED_BY_DEFAULT	= 1 << 7,
 	BLK_MQ_F_ALLOC_POLICY_START_BIT = 8,
 	BLK_MQ_F_ALLOC_POLICY_BITS = 1,
 
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index d9b69bb..3fb97c2a 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -9,6 +9,7 @@
 #include <linux/types.h>
 #include <linux/bvec.h>
 #include <linux/ktime.h>
+#include <linux/android_kabi.h>
 
 struct bio_set;
 struct bio;
@@ -46,6 +47,12 @@
 	int			bd_fsfreeze_count;
 	/* Mutex for freeze */
 	struct mutex		bd_fsfreeze_mutex;
+	struct super_block	*bd_fsfreeze_sb;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 /*
@@ -235,6 +242,9 @@
 
 #ifdef CONFIG_BLK_INLINE_ENCRYPTION
 	struct bio_crypt_ctx	*bi_crypt_context;
+#if IS_ENABLED(CONFIG_DM_DEFAULT_KEY)
+	bool			bi_skip_dm_default_key;
+#endif
 #endif
 
 	union {
@@ -257,6 +267,9 @@
 
 	struct bio_set		*bi_pool;
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
 	/*
 	 * We can inline a number of vecs at the end of the bio, to avoid
 	 * double allocations for a small number of bio_vecs. This member
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 98fdf5a3..2e1dfba 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -26,6 +26,8 @@
 #include <linux/scatterlist.h>
 #include <linux/blkzoned.h>
 #include <linux/pm.h>
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
 
 struct module;
 struct scsi_ioctl_command;
@@ -57,7 +59,7 @@
  * Maximum number of blkcg policies allowed to be registered concurrently.
  * Defined here to simplify include dependency.
  */
-#define BLKCG_MAX_POLS		5
+#define BLKCG_MAX_POLS		6
 
 static inline int blk_validate_block_size(unsigned int bsize)
 {
@@ -250,6 +252,8 @@
 	 */
 	rq_end_io_fn *end_io;
 	void *end_io_data;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline bool blk_op_is_scsi(unsigned int op)
@@ -354,6 +358,8 @@
 	unsigned char		discard_misaligned;
 	unsigned char		raid_partial_stripes_expensive;
 	enum blk_zoned_model	zoned;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
@@ -596,6 +602,12 @@
 
 #define BLK_MAX_WRITE_HINTS	5
 	u64			write_hints[BLK_MAX_WRITE_HINTS];
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+	ANDROID_OEM_DATA(1);
 };
 
 /* Keep blk_queue_flag_name[] in sync with the definitions below */
@@ -1890,6 +1902,10 @@
 	char *(*devnode)(struct gendisk *disk, umode_t *mode);
 	struct module *owner;
 	const struct pr_ops *pr_ops;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_OEM_DATA(1);
 };
 
 #ifdef CONFIG_COMPAT
@@ -2054,7 +2070,7 @@
 #endif
 int fsync_bdev(struct block_device *bdev);
 
-struct super_block *freeze_bdev(struct block_device *bdev);
-int thaw_bdev(struct block_device *bdev, struct super_block *sb);
+int freeze_bdev(struct block_device *bdev);
+int thaw_bdev(struct block_device *bdev);
 
 #endif /* _LINUX_BLKDEV_H */
diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h
index df9cbf02..a6dfae4 100644
--- a/include/linux/bootconfig.h
+++ b/include/linux/bootconfig.h
@@ -16,6 +16,26 @@
 #define BOOTCONFIG_ALIGN	(1 << BOOTCONFIG_ALIGN_SHIFT)
 #define BOOTCONFIG_ALIGN_MASK	(BOOTCONFIG_ALIGN - 1)
 
+/**
+ * xbc_calc_checksum() - Calculate checksum of bootconfig
+ * @data: Bootconfig data.
+ * @size: The size of the bootconfig data.
+ *
+ * Calculate the checksum value of the bootconfig data.
+ * The checksum will be used with the BOOTCONFIG_MAGIC and the size for
+ * embedding the bootconfig in the initrd image.
+ */
+static inline __init u32 xbc_calc_checksum(void *data, u32 size)
+{
+	unsigned char *p = data;
+	u32 ret = 0;
+
+	while (size--)
+		ret += *p++;
+
+	return ret;
+}
+
 /* XBC tree node */
 struct xbc_node {
 	u16 next;
@@ -71,7 +91,7 @@
  */
 static inline __init bool xbc_node_is_array(struct xbc_node *node)
 {
-	return xbc_node_is_value(node) && node->next != 0;
+	return xbc_node_is_value(node) && node->child != 0;
 }
 
 /**
@@ -80,6 +100,8 @@
  *
  * Test the @node is a leaf key node which is a key node and has a value node
  * or no child. Returns true if it is a leaf node, or false if not.
+ * Note that the leaf node can have subkey nodes in addition to the
+ * value node.
  */
 static inline __init bool xbc_node_is_leaf(struct xbc_node *node)
 {
@@ -130,6 +152,23 @@
 }
 
 /**
+ * xbc_node_get_subkey() - Return the first subkey node if exists
+ * @node: Parent node
+ *
+ * Return the first subkey node of the @node. If the @node has no child
+ * or only value node, this will return NULL.
+ */
+static inline struct xbc_node * __init xbc_node_get_subkey(struct xbc_node *node)
+{
+	struct xbc_node *child = xbc_node_get_child(node);
+
+	if (child && xbc_node_is_value(child))
+		return xbc_node_get_next(child);
+	else
+		return child;
+}
+
+/**
  * xbc_array_for_each_value() - Iterate value nodes on an array
  * @anode: An XBC arraied value node
  * @value: A value
@@ -140,7 +179,7 @@
  */
 #define xbc_array_for_each_value(anode, value)				\
 	for (value = xbc_node_get_data(anode); anode != NULL ;		\
-	     anode = xbc_node_get_next(anode),				\
+	     anode = xbc_node_get_child(anode),				\
 	     value = anode ? xbc_node_get_data(anode) : NULL)
 
 /**
@@ -149,12 +188,25 @@
  * @child: Iterated XBC node.
  *
  * Iterate child nodes of @parent. Each child nodes are stored to @child.
+ * The @child can be mixture of a value node and subkey nodes.
  */
 #define xbc_node_for_each_child(parent, child)				\
 	for (child = xbc_node_get_child(parent); child != NULL ;	\
 	     child = xbc_node_get_next(child))
 
 /**
+ * xbc_node_for_each_subkey() - Iterate child subkey nodes
+ * @parent: An XBC node.
+ * @child: Iterated XBC node.
+ *
+ * Iterate subkey nodes of @parent. Each child nodes are stored to @child.
+ * The @child is only the subkey node.
+ */
+#define xbc_node_for_each_subkey(parent, child)				\
+	for (child = xbc_node_get_subkey(parent); child != NULL ;	\
+	     child = xbc_node_get_next(child))
+
+/**
  * xbc_node_for_each_array_value() - Iterate array entries of geven key
  * @node: An XBC node.
  * @key: A key string searched under @node
@@ -171,7 +223,7 @@
  */
 #define xbc_node_for_each_array_value(node, key, anode, value)		\
 	for (value = xbc_node_find_value(node, key, &anode); value != NULL; \
-	     anode = xbc_node_get_next(anode),				\
+	     anode = xbc_node_get_child(anode),				\
 	     value = anode ? xbc_node_get_data(anode) : NULL)
 
 /**
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index 53702b8..91b9669 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -158,10 +158,6 @@
 				       int __user *optlen, int max_optlen,
 				       int retval);
 
-int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level,
-					    int optname, void *optval,
-					    int *optlen, int retval);
-
 static inline enum bpf_cgroup_storage_type cgroup_storage_type(
 	struct bpf_map *map)
 {
@@ -408,23 +404,10 @@
 ({									       \
 	int __ret = retval;						       \
 	if (cgroup_bpf_enabled)						       \
-		if (!(sock)->sk_prot->bpf_bypass_getsockopt ||		       \
-		    !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \
-					tcp_bpf_bypass_getsockopt,	       \
-					level, optname))		       \
-			__ret = __cgroup_bpf_run_filter_getsockopt(	       \
-				sock, level, optname, optval, optlen,	       \
-				max_optlen, retval);			       \
-	__ret;								       \
-})
-
-#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval,      \
-					    optlen, retval)		       \
-({									       \
-	int __ret = retval;						       \
-	if (cgroup_bpf_enabled)						       \
-		__ret = __cgroup_bpf_run_filter_getsockopt_kern(	       \
-			sock, level, optname, optval, optlen, retval);	       \
+		__ret = __cgroup_bpf_run_filter_getsockopt(sock, level,	       \
+							   optname, optval,    \
+							   optlen, max_optlen, \
+							   retval);	       \
 	__ret;								       \
 })
 
@@ -510,8 +493,6 @@
 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; })
 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \
 				       optlen, max_optlen, retval) ({ retval; })
-#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \
-					    optlen, retval) ({ retval; })
 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \
 				       kernel_optval) ({ 0; })
 
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 8f4379e..7560c46 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -21,6 +21,7 @@
 #include <linux/kallsyms.h>
 #include <linux/capability.h>
 #include <linux/percpu-refcount.h>
+#include <linux/android_kabi.h>
 
 struct bpf_verifier_env;
 struct bpf_verifier_log;
@@ -132,6 +133,9 @@
 
 	/* bpf_iter info used to open a seq_file */
 	const struct bpf_iter_seq_info *iter_seq_info;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct bpf_map_memory {
@@ -218,6 +222,8 @@
 	int (*map_update_elem)(struct bpf_offloaded_map *map,
 			       void *key, void *value, u64 flags);
 	int (*map_delete_elem)(struct bpf_offloaded_map *map, void *key);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct bpf_offloaded_map {
@@ -459,6 +465,7 @@
 				 const struct btf_type *t, int off, int size,
 				 enum bpf_access_type atype,
 				 u32 *next_btf_id);
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct bpf_prog_offload_ops {
@@ -474,6 +481,7 @@
 	int (*prepare)(struct bpf_prog *prog);
 	int (*translate)(struct bpf_prog *prog);
 	void (*destroy)(struct bpf_prog *prog);
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct bpf_prog_offload {
@@ -652,7 +660,7 @@
 	struct bpf_ksym ksym;
 };
 
-static __always_inline unsigned int bpf_dispatcher_nop_func(
+static __always_inline __nocfi unsigned int bpf_dispatcher_nop_func(
 	const void *ctx,
 	const struct bpf_insn *insnsi,
 	unsigned int (*bpf_func)(const void *,
@@ -681,7 +689,7 @@
 }
 
 #define DEFINE_BPF_DISPATCHER(name)					\
-	noinline unsigned int bpf_dispatcher_##name##_func(		\
+	noinline __nocfi unsigned int bpf_dispatcher_##name##_func(	\
 		const void *ctx,					\
 		const struct bpf_insn *insnsi,				\
 		unsigned int (*bpf_func)(const void *,			\
@@ -855,6 +863,7 @@
 		struct work_struct work;
 		struct rcu_head	rcu;
 	};
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct bpf_array_aux {
diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
index a8137bb..142c98a3 100644
--- a/include/linux/bpf_types.h
+++ b/include/linux/bpf_types.h
@@ -77,6 +77,9 @@
 	       void *, void *)
 #endif /* CONFIG_BPF_LSM */
 #endif
+#ifdef CONFIG_FUSE_BPF
+BPF_PROG_TYPE(BPF_PROG_TYPE_FUSE, fuse, struct fuse_bpf_args, struct fuse_bpf_args)
+#endif
 
 BPF_MAP_TYPE(BPF_MAP_TYPE_ARRAY, array_map_ops)
 BPF_MAP_TYPE(BPF_MAP_TYPE_PERCPU_ARRAY, percpu_array_map_ops)
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 4d37c69..f09a5bb 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -7,6 +7,7 @@
 #include <linux/bpf.h> /* for enum bpf_reg_type */
 #include <linux/filter.h> /* for MAX_BPF_STACK */
 #include <linux/tnum.h>
+#include <linux/android_kabi.h>
 
 /* Maximum variable offset umax_value permitted when resolving memory accesses.
  * In practice this is far bigger than any realistic pointer offset; this limit
@@ -405,6 +406,8 @@
 	bool has_tail_call;
 	bool tail_call_reachable;
 	bool has_ld_abs;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* single container for all structs
@@ -462,6 +465,9 @@
 	u32 peak_states;
 	/* longest register parentage chain walked for liveness marking */
 	u32 longest_mark_read_walk;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 __printf(2, 0) void bpf_verifier_vlog(struct bpf_verifier_log *log,
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index e93e3fa..823a2e2 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -228,6 +228,8 @@
 struct buffer_head *__bread_gfp(struct block_device *,
 				sector_t block, unsigned size, gfp_t gfp);
 void invalidate_bh_lrus(void);
+void invalidate_bh_lrus_cpu(int cpu);
+bool has_bh_in_lru(int cpu, void *dummy);
 struct buffer_head *alloc_buffer_head(gfp_t gfp_flags);
 void free_buffer_head(struct buffer_head * bh);
 void unlock_buffer(struct buffer_head *bh);
@@ -440,6 +442,8 @@
 static inline void invalidate_inode_buffers(struct inode *inode) {}
 static inline int remove_inode_buffers(struct inode *inode) { return 1; }
 static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; }
+static inline void invalidate_bh_lrus_cpu(int cpu) {}
+static inline bool has_bh_in_lru(int cpu, void *dummy) { return 0; }
 #define buffer_heads_over_limit 0
 
 #endif /* CONFIG_BLOCK */
diff --git a/include/linux/bug.h b/include/linux/bug.h
index f639bd0..348acf2 100644
--- a/include/linux/bug.h
+++ b/include/linux/bug.h
@@ -36,6 +36,9 @@
 	return bug->flags & BUGFLAG_WARNING;
 }
 
+void bug_get_file_line(struct bug_entry *bug, const char **file,
+		       unsigned int *line);
+
 struct bug_entry *find_bug(unsigned long bugaddr);
 
 enum bug_trap_type report_bug(unsigned long bug_addr, struct pt_regs *regs);
@@ -58,6 +61,13 @@
 	return BUG_TRAP_TYPE_BUG;
 }
 
+struct bug_entry;
+static inline void bug_get_file_line(struct bug_entry *bug, const char **file,
+				     unsigned int *line)
+{
+	*file = NULL;
+	*line = 0;
+}
 
 static inline void generic_bug_clear_once(void) {}
 
diff --git a/include/linux/cfi.h b/include/linux/cfi.h
new file mode 100644
index 0000000..b381c6c
--- /dev/null
+++ b/include/linux/cfi.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Clang Control Flow Integrity (CFI) support.
+ *
+ * Copyright (C) 2019 Google LLC
+ */
+#ifndef _LINUX_CFI_H
+#define _LINUX_CFI_H
+
+#ifdef CONFIG_CFI_CLANG
+typedef void (*cfi_check_fn)(uint64_t id, void *ptr, void *diag);
+
+/* Compiler-generated function in each module, and the kernel */
+extern void __cfi_check(uint64_t id, void *ptr, void *diag);
+
+/*
+ * Force the compiler to generate a CFI jump table entry for a function
+ * and store the jump table address to __cfi_jt_<function>.
+ */
+#define __CFI_ADDRESSABLE(fn) \
+	const void* __cfi_jt_ ## fn __visible = (void *)&fn;
+
+#ifdef CONFIG_CFI_CLANG_SHADOW
+
+extern void cfi_module_add(struct module *mod, unsigned long base_addr);
+extern void cfi_module_remove(struct module *mod, unsigned long base_addr);
+
+#else
+
+static inline void cfi_module_add(struct module *mod, unsigned long base_addr) {}
+static inline void cfi_module_remove(struct module *mod, unsigned long base_addr) {}
+
+#endif /* CONFIG_CFI_CLANG_SHADOW */
+
+#else /* !CONFIG_CFI_CLANG */
+
+#define __CFI_ADDRESSABLE(fn)
+
+#endif /* CONFIG_CFI_CLANG */
+
+#endif /* _LINUX_CFI_H */
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index c9fafca..8c19303 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -110,6 +110,7 @@
 	CFTYPE_NO_PREFIX	= (1 << 3),	/* (DON'T USE FOR NEW FILES) no subsys prefix */
 	CFTYPE_WORLD_WRITABLE	= (1 << 4),	/* (DON'T USE FOR NEW FILES) S_IWUGO */
 	CFTYPE_DEBUG		= (1 << 5),	/* create when cgroup_debug */
+	CFTYPE_PRESSURE		= (1 << 6),	/* only if pressure feature is enabled */
 
 	/* internal flags, do not use outside cgroup core proper */
 	__CFTYPE_ONLY_ON_DFL	= (1 << 16),	/* only on default hierarchy */
@@ -260,8 +261,7 @@
 	 * List of csets participating in the on-going migration either as
 	 * source or destination.  Protected by cgroup_mutex.
 	 */
-	struct list_head mg_src_preload_node;
-	struct list_head mg_dst_preload_node;
+	struct list_head mg_preload_node;
 	struct list_head mg_node;
 
 	/*
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c9c4307..4266b6c 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -24,6 +24,7 @@
 #include <linux/user_namespace.h>
 #include <linux/refcount.h>
 #include <linux/kernel_stat.h>
+#include <linux/android_kabi.h>
 
 #include <linux/cgroup-defs.h>
 
@@ -66,6 +67,8 @@
 	struct css_set			*cur_dcset;
 	struct task_struct		*cur_task;
 	struct list_head		iters_node;	/* css_set->task_iters */
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 extern struct file_system_type cgroup_fs_type;
@@ -433,6 +436,18 @@
 	css_put(&cgrp->self);
 }
 
+extern struct mutex cgroup_mutex;
+
+static inline void cgroup_lock(void)
+{
+	mutex_lock(&cgroup_mutex);
+}
+
+static inline void cgroup_unlock(void)
+{
+	mutex_unlock(&cgroup_mutex);
+}
+
 /**
  * task_css_set_check - obtain a task's css_set with extra access conditions
  * @task: the task to obtain css_set for
@@ -447,7 +462,6 @@
  * as locks used during the cgroup_subsys::attach() methods.
  */
 #ifdef CONFIG_PROVE_RCU
-extern struct mutex cgroup_mutex;
 extern spinlock_t css_set_lock;
 #define task_css_set_check(task, __c)					\
 	rcu_dereference_check((task)->cgroups,				\
@@ -678,6 +692,8 @@
 	return &cgrp->psi;
 }
 
+bool cgroup_psi_enabled(void);
+
 static inline void cgroup_init_kthreadd(void)
 {
 	/*
@@ -706,6 +722,8 @@
 static inline u64 cgroup_id(struct cgroup *cgrp) { return 1; }
 static inline void css_get(struct cgroup_subsys_state *css) {}
 static inline void css_put(struct cgroup_subsys_state *css) {}
+static inline void cgroup_lock(void) {}
+static inline void cgroup_unlock(void) {}
 static inline int cgroup_attach_task_all(struct task_struct *from,
 					 struct task_struct *t) { return 0; }
 static inline int cgroupstats_build(struct cgroupstats *stats,
@@ -737,6 +755,11 @@
 	return NULL;
 }
 
+static inline bool cgroup_psi_enabled(void)
+{
+	return false;
+}
+
 static inline bool task_under_cgroup_hierarchy(struct task_struct *task,
 					       struct cgroup *ancestor)
 {
diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
index 5f5730c..b6c42ce 100644
--- a/include/linux/cleancache.h
+++ b/include/linux/cleancache.h
@@ -5,6 +5,7 @@
 #include <linux/fs.h>
 #include <linux/exportfs.h>
 #include <linux/mm.h>
+#include <linux/android_vendor.h>
 
 #define CLEANCACHE_NO_POOL		-1
 #define CLEANCACHE_NO_BACKEND		-2
@@ -36,6 +37,7 @@
 	void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t);
 	void (*invalidate_inode)(int, struct cleancache_filekey);
 	void (*invalidate_fs)(int);
+	ANDROID_OEM_DATA(1);
 };
 
 extern int cleancache_register_ops(const struct cleancache_ops *ops);
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 6fa85be..6312c88 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -32,6 +32,7 @@
 #define CLK_OPS_PARENT_ENABLE	BIT(12)
 /* duty cycle call may be forwarded to the parent clock */
 #define CLK_DUTY_CYCLE_PARENT	BIT(13)
+#define CLK_DONT_HOLD_STATE	BIT(14) /* Don't hold state */
 
 struct clk;
 struct clk_hw;
@@ -205,6 +206,13 @@
  *		directory is provided as an argument.  Called with
  *		prepare_lock held.  Returns 0 on success, -EERROR otherwise.
  *
+ * @pre_rate_change: Optional callback for a clock to fulfill its rate
+ *		change requirements before any rate change has occurred in
+ *		its clock tree. Returns 0 on success, -EERROR otherwise.
+ *
+ * @post_rate_change: Optional callback for a clock to clean up any
+ *		requirements that were needed while the clock and its tree
+ *		was changing states. Returns 0 on success, -EERROR otherwise.
  *
  * The clk_enable/clk_disable and clk_prepare/clk_unprepare pairs allow
  * implementations to split any work between atomic (enable) and sleepable
@@ -252,6 +260,12 @@
 	int		(*init)(struct clk_hw *hw);
 	void		(*terminate)(struct clk_hw *hw);
 	void		(*debug_init)(struct clk_hw *hw, struct dentry *dentry);
+	int		(*pre_rate_change)(struct clk_hw *hw,
+					   unsigned long rate,
+					   unsigned long new_rate);
+	int		(*post_rate_change)(struct clk_hw *hw,
+					    unsigned long old_rate,
+					    unsigned long rate);
 };
 
 /**
@@ -1111,6 +1125,7 @@
 
 void clk_hw_unregister(struct clk_hw *hw);
 void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw);
+void clk_sync_state(struct device *dev);
 
 /* helper functions */
 const char *__clk_get_name(const struct clk *clk);
@@ -1123,6 +1138,11 @@
 	return (struct clk_hw *)clk;
 }
 #endif
+
+struct clk *clk_hw_get_clk(struct clk_hw *hw, const char *con_id);
+struct clk *devm_clk_hw_get_clk(struct device *dev, struct clk_hw *hw,
+				const char *con_id);
+
 unsigned int clk_hw_get_num_parents(const struct clk_hw *hw);
 struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw);
 struct clk_hw *clk_hw_get_parent_by_index(const struct clk_hw *hw,
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 12c85ba..9489ac4 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -110,6 +110,17 @@
 int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb);
 
 /**
+ * devm_clk_notifier_register - register a managed rate-change notifier callback
+ * @dev: device for clock "consumer"
+ * @clk: clock whose rate we are interested in
+ * @nb: notifier block with callback function pointer
+ *
+ * Returns 0 on success, -EERROR otherwise
+ */
+int devm_clk_notifier_register(struct device *dev, struct clk *clk,
+			       struct notifier_block *nb);
+
+/**
  * clk_get_accuracy - obtain the clock accuracy in ppb (parts per billion)
  *		      for a clock source.
  * @clk: clock source
@@ -219,6 +230,13 @@
 	return -ENOTSUPP;
 }
 
+static inline int devm_clk_notifier_register(struct device *dev,
+					     struct clk *clk,
+					     struct notifier_block *nb)
+{
+	return -ENOTSUPP;
+}
+
 static inline long clk_get_accuracy(struct clk *clk)
 {
 	return -ENOTSUPP;
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 8f87c1a..65783d0 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -17,6 +17,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/of.h>
+#include <linux/clocksource_ids.h>
 #include <asm/div64.h>
 #include <asm/io.h>
 
@@ -64,6 +65,10 @@
  *			400-499: Perfect
  *				The ideal clocksource. A must-use where
  *				available.
+ * @id:			Defaults to CSID_GENERIC. The id value is captured
+ *			in certain snapshot functions to allow callers to
+ *			validate the clocksource from which the snapshot was
+ *			taken.
  * @flags:		Flags describing special properties
  * @enable:		Optional function to enable the clocksource
  * @disable:		Optional function to disable the clocksource
@@ -103,6 +108,7 @@
 	const char		*name;
 	struct list_head	list;
 	int			rating;
+	enum clocksource_ids	id;
 	enum vdso_clock_mode	vdso_clock_mode;
 	unsigned long		flags;
 
diff --git a/include/linux/clocksource_ids.h b/include/linux/clocksource_ids.h
new file mode 100644
index 0000000..16775d7
--- /dev/null
+++ b/include/linux/clocksource_ids.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_CLOCKSOURCE_IDS_H
+#define _LINUX_CLOCKSOURCE_IDS_H
+
+/* Enum to give clocksources a unique identifier */
+enum clocksource_ids {
+	CSID_GENERIC		= 0,
+	CSID_ARM_ARCH_COUNTER,
+	CSID_MAX,
+};
+
+#endif
diff --git a/include/linux/cma.h b/include/linux/cma.h
index 217999c..4f29ac1 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h
@@ -22,6 +22,15 @@
 
 struct cma;
 
+struct cma_alloc_info {
+	unsigned long nr_migrated;
+	unsigned long nr_reclaimed;
+	unsigned long nr_mapped;
+	unsigned int nr_isolate_fail;
+	unsigned int nr_migrate_fail;
+	unsigned int nr_test_fail;
+};
+
 extern unsigned long totalcma_pages;
 extern phys_addr_t cma_get_base(const struct cma *cma);
 extern unsigned long cma_get_size(const struct cma *cma);
@@ -45,7 +54,7 @@
 					const char *name,
 					struct cma **res_cma);
 extern struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
-			      bool no_warn);
+			      gfp_t gfp_mask);
 extern bool cma_release(struct cma *cma, const struct page *pages, unsigned int count);
 
 extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data);
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 1de5a11..f1eb9f94 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -85,6 +85,8 @@
 extern unsigned int sysctl_compaction_proactiveness;
 extern int sysctl_compaction_handler(struct ctl_table *table, int write,
 			void *buffer, size_t *length, loff_t *ppos);
+extern int compaction_proactiveness_sysctl_handler(struct ctl_table *table,
+		int write, void *buffer, size_t *length, loff_t *ppos);
 extern int sysctl_extfrag_threshold;
 extern int sysctl_compact_unevictable_allowed;
 
@@ -182,6 +184,8 @@
 extern int kcompactd_run(int nid);
 extern void kcompactd_stop(int nid);
 extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int highest_zoneidx);
+extern unsigned long isolate_and_split_free_page(struct page *page,
+				struct list_head *list);
 
 #else
 static inline void reset_isolation_suitable(pg_data_t *pgdat)
@@ -236,6 +240,12 @@
 {
 }
 
+static inline unsigned long isolate_and_split_free_page(struct page *page,
+				struct list_head *list)
+{
+	return 0;
+}
+
 #endif /* CONFIG_COMPACTION */
 
 struct node;
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index 9ba951e..49b0ac8 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -3,16 +3,6 @@
 #error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead."
 #endif
 
-#define CLANG_VERSION (__clang_major__ * 10000	\
-		     + __clang_minor__ * 100	\
-		     + __clang_patchlevel__)
-
-#if CLANG_VERSION < 100001
-#ifndef __BPF_TRACING__
-# error Sorry, your version of Clang is too old - please use 10.0.1 or newer.
-#endif
-#endif
-
 /* Compiler specific definitions for Clang compiler */
 
 /* same as gcc, this was present in clang-2.6 so we can assume it works
@@ -88,3 +78,6 @@
 #if __has_feature(shadow_call_stack)
 # define __noscs	__attribute__((__no_sanitize__("shadow-call-stack")))
 #endif
+
+#define __nocfi		__attribute__((__no_sanitize__("cfi")))
+#define __cficanonical	__attribute__((__cfi_canonical_jump_table__))
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index ae2de4e..704c900 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -10,17 +10,6 @@
 		     + __GNUC_MINOR__ * 100	\
 		     + __GNUC_PATCHLEVEL__)
 
-/* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 */
-#if GCC_VERSION < 40900
-# error Sorry, your version of GCC is too old - please use 4.9 or newer.
-#elif defined(CONFIG_ARM64) && GCC_VERSION < 50100
-/*
- * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293
- * https://lore.kernel.org/r/20210107111841.GN1551@shell.armlinux.org.uk
- */
-# error Sorry, your version of GCC is too old - please use 5.1 or newer.
-#endif
-
 /*
  * This macro obfuscates arithmetic on a variable address so that gcc
  * shouldn't recognize the original var, and make assumptions about it.
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index eb2bda0..75f7e87 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -237,6 +237,14 @@
 # define __noscs
 #endif
 
+#ifndef __nocfi
+# define __nocfi
+#endif
+
+#ifndef __cficanonical
+# define __cficanonical
+#endif
+
 #ifndef asm_volatile_goto
 #define asm_volatile_goto(x...) asm goto(x)
 #endif
diff --git a/include/linux/coredump.h b/include/linux/coredump.h
index 5300d0c..e58e8c2 100644
--- a/include/linux/coredump.h
+++ b/include/linux/coredump.h
@@ -11,8 +11,6 @@
 	unsigned long start, end;
 	unsigned long flags;
 	unsigned long dump_size;
-	unsigned long pgoff;
-	struct file   *file;
 };
 
 /*
@@ -26,6 +24,9 @@
 extern void dump_truncate(struct coredump_params *cprm);
 int dump_user_range(struct coredump_params *cprm, unsigned long start,
 		    unsigned long len);
+int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count,
+		      struct core_vma_metadata **vma_meta,
+		      size_t *vma_data_size_ptr);
 #ifdef CONFIG_COREDUMP
 extern void do_coredump(const kernel_siginfo_t *siginfo);
 #else
diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h
index b0e35ee..4ac5c08 100644
--- a/include/linux/coresight-pmu.h
+++ b/include/linux/coresight-pmu.h
@@ -10,17 +10,27 @@
 #define CORESIGHT_ETM_PMU_NAME "cs_etm"
 #define CORESIGHT_ETM_PMU_SEED  0x10
 
-/* ETMv3.5/PTM's ETMCR config bit */
-#define ETM_OPT_CYCACC  12
-#define ETM_OPT_CTXTID	14
-#define ETM_OPT_TS      28
-#define ETM_OPT_RETSTK	29
+/*
+ * Below are the definition of bit offsets for perf option, and works as
+ * arbitrary values for all ETM versions.
+ *
+ * Most of them are orignally from ETMv3.5/PTM's ETMCR config, therefore,
+ * ETMv3.5/PTM doesn't define ETMCR config bits with prefix "ETM3_" and
+ * directly use below macros as config bits.
+ */
+#define ETM_OPT_CYCACC		12
+#define ETM_OPT_CTXTID		14
+#define ETM_OPT_CTXTID2		15
+#define ETM_OPT_TS		28
+#define ETM_OPT_RETSTK		29
 
 /* ETMv4 CONFIGR programming bits for the ETM OPTs */
 #define ETM4_CFG_BIT_CYCACC	4
 #define ETM4_CFG_BIT_CTXTID	6
+#define ETM4_CFG_BIT_VMID	7
 #define ETM4_CFG_BIT_TS		11
 #define ETM4_CFG_BIT_RETSTK	12
+#define ETM4_CFG_BIT_VMID_OPT	15
 
 static inline int coresight_get_trace_id(int cpu)
 {
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 7d3c87e..85008a6 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -7,6 +7,7 @@
 #define _LINUX_CORESIGHT_H
 
 #include <linux/device.h>
+#include <linux/io.h>
 #include <linux/perf_event.h>
 #include <linux/sched.h>
 
@@ -49,6 +50,7 @@
 	CORESIGHT_DEV_SUBTYPE_SINK_PORT,
 	CORESIGHT_DEV_SUBTYPE_SINK_BUFFER,
 	CORESIGHT_DEV_SUBTYPE_SINK_SYSMEM,
+	CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM,
 };
 
 enum coresight_dev_subtype_link {
@@ -115,6 +117,32 @@
 };
 
 /**
+ * struct csdev_access - Abstraction of a CoreSight device access.
+ *
+ * @io_mem	: True if the device has memory mapped I/O
+ * @base	: When io_mem == true, base address of the component
+ * @read	: Read from the given "offset" of the given instance.
+ * @write	: Write "val" to the given "offset".
+ */
+struct csdev_access {
+	bool io_mem;
+	union {
+		void __iomem *base;
+		struct {
+			u64 (*read)(u32 offset, bool relaxed, bool _64bit);
+			void (*write)(u64 val, u32 offset, bool relaxed,
+				      bool _64bit);
+		};
+	};
+};
+
+#define CSDEV_ACCESS_IOMEM(_addr)		\
+	((struct csdev_access)	{		\
+		.io_mem		= true,		\
+		.base		= (_addr),	\
+	})
+
+/**
  * struct coresight_desc - description of a component required from drivers
  * @type:	as defined by @coresight_dev_type.
  * @subtype:	as defined by @coresight_dev_subtype.
@@ -125,6 +153,7 @@
  * @groups:	operations specific to this component. These will end up
  *		in the component's sysfs sub-directory.
  * @name:	name for the coresight device, also shown under sysfs.
+ * @access:	Describe access to the device
  */
 struct coresight_desc {
 	enum coresight_dev_type type;
@@ -134,6 +163,7 @@
 	struct device *dev;
 	const struct attribute_group **groups;
 	const char *name;
+	struct csdev_access access;
 };
 
 /**
@@ -173,7 +203,8 @@
  * @type:	as defined by @coresight_dev_type.
  * @subtype:	as defined by @coresight_dev_subtype.
  * @ops:	generic operations for this component, as defined
-		by @coresight_ops.
+ *		by @coresight_ops.
+ * @access:	Device i/o access abstraction for this device.
  * @dev:	The device entity associated to this component.
  * @refcnt:	keep track of what is in use.
  * @orphan:	true if the component has connections that haven't been linked.
@@ -195,6 +226,7 @@
 	enum coresight_dev_type type;
 	union coresight_dev_subtype subtype;
 	const struct coresight_ops *ops;
+	struct csdev_access access;
 	struct device dev;
 	atomic_t *refcnt;
 	bool orphan;
@@ -326,23 +358,145 @@
 };
 
 #if IS_ENABLED(CONFIG_CORESIGHT)
+
+static inline u32 csdev_access_relaxed_read32(struct csdev_access *csa,
+					      u32 offset)
+{
+	if (likely(csa->io_mem))
+		return readl_relaxed(csa->base + offset);
+
+	return csa->read(offset, true, false);
+}
+
+static inline u32 csdev_access_read32(struct csdev_access *csa, u32 offset)
+{
+	if (likely(csa->io_mem))
+		return readl(csa->base + offset);
+
+	return csa->read(offset, false, false);
+}
+
+static inline void csdev_access_relaxed_write32(struct csdev_access *csa,
+						u32 val, u32 offset)
+{
+	if (likely(csa->io_mem))
+		writel_relaxed(val, csa->base + offset);
+	else
+		csa->write(val, offset, true, false);
+}
+
+static inline void csdev_access_write32(struct csdev_access *csa, u32 val, u32 offset)
+{
+	if (likely(csa->io_mem))
+		writel(val, csa->base + offset);
+	else
+		csa->write(val, offset, false, false);
+}
+
+#ifdef CONFIG_64BIT
+
+static inline u64 csdev_access_relaxed_read64(struct csdev_access *csa,
+					      u32 offset)
+{
+	if (likely(csa->io_mem))
+		return readq_relaxed(csa->base + offset);
+
+	return csa->read(offset, true, true);
+}
+
+static inline u64 csdev_access_read64(struct csdev_access *csa, u32 offset)
+{
+	if (likely(csa->io_mem))
+		return readq(csa->base + offset);
+
+	return csa->read(offset, false, true);
+}
+
+static inline void csdev_access_relaxed_write64(struct csdev_access *csa,
+						u64 val, u32 offset)
+{
+	if (likely(csa->io_mem))
+		writeq_relaxed(val, csa->base + offset);
+	else
+		csa->write(val, offset, true, true);
+}
+
+static inline void csdev_access_write64(struct csdev_access *csa, u64 val, u32 offset)
+{
+	if (likely(csa->io_mem))
+		writeq(val, csa->base + offset);
+	else
+		csa->write(val, offset, false, true);
+}
+
+#else	/* !CONFIG_64BIT */
+
+static inline u64 csdev_access_relaxed_read64(struct csdev_access *csa,
+					      u32 offset)
+{
+	WARN_ON(1);
+	return 0;
+}
+
+static inline u64 csdev_access_read64(struct csdev_access *csa, u32 offset)
+{
+	WARN_ON(1);
+	return 0;
+}
+
+static inline void csdev_access_relaxed_write64(struct csdev_access *csa,
+						u64 val, u32 offset)
+{
+	WARN_ON(1);
+}
+
+static inline void csdev_access_write64(struct csdev_access *csa, u64 val, u32 offset)
+{
+	WARN_ON(1);
+}
+#endif	/* CONFIG_64BIT */
+
+static inline bool coresight_is_percpu_source(struct coresight_device *csdev)
+{
+	return csdev && (csdev->type == CORESIGHT_DEV_TYPE_SOURCE) &&
+	       (csdev->subtype.source_subtype == CORESIGHT_DEV_SUBTYPE_SOURCE_PROC);
+}
+
+static inline bool coresight_is_percpu_sink(struct coresight_device *csdev)
+{
+	return csdev && (csdev->type == CORESIGHT_DEV_TYPE_SINK) &&
+	       (csdev->subtype.sink_subtype == CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM);
+}
+
 extern struct coresight_device *
 coresight_register(struct coresight_desc *desc);
 extern void coresight_unregister(struct coresight_device *csdev);
 extern int coresight_enable(struct coresight_device *csdev);
 extern void coresight_disable(struct coresight_device *csdev);
-extern int coresight_timeout(void __iomem *addr, u32 offset,
+extern int coresight_timeout(struct csdev_access *csa, u32 offset,
 			     int position, int value);
 
-extern int coresight_claim_device(void __iomem *base);
-extern int coresight_claim_device_unlocked(void __iomem *base);
+extern int coresight_claim_device(struct coresight_device *csdev);
+extern int coresight_claim_device_unlocked(struct coresight_device *csdev);
 
-extern void coresight_disclaim_device(void __iomem *base);
-extern void coresight_disclaim_device_unlocked(void __iomem *base);
+extern void coresight_disclaim_device(struct coresight_device *csdev);
+extern void coresight_disclaim_device_unlocked(struct coresight_device *csdev);
 extern char *coresight_alloc_device_name(struct coresight_dev_list *devs,
 					 struct device *dev);
 
 extern bool coresight_loses_context_with_cpu(struct device *dev);
+
+u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset);
+u32 coresight_read32(struct coresight_device *csdev, u32 offset);
+void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset);
+void coresight_relaxed_write32(struct coresight_device *csdev,
+			       u32 val, u32 offset);
+u64 coresight_relaxed_read64(struct coresight_device *csdev, u32 offset);
+u64 coresight_read64(struct coresight_device *csdev, u32 offset);
+void coresight_relaxed_write64(struct coresight_device *csdev,
+			       u64 val, u32 offset);
+void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset);
+
 #else
 static inline struct coresight_device *
 coresight_register(struct coresight_desc *desc) { return NULL; }
@@ -350,29 +504,78 @@
 static inline int
 coresight_enable(struct coresight_device *csdev) { return -ENOSYS; }
 static inline void coresight_disable(struct coresight_device *csdev) {}
-static inline int coresight_timeout(void __iomem *addr, u32 offset,
-				     int position, int value) { return 1; }
-static inline int coresight_claim_device_unlocked(void __iomem *base)
+
+static inline int coresight_timeout(struct csdev_access *csa, u32 offset,
+				    int position, int value)
+{
+	return 1;
+}
+
+static inline int coresight_claim_device_unlocked(struct coresight_device *csdev)
 {
 	return -EINVAL;
 }
 
-static inline int coresight_claim_device(void __iomem *base)
+static inline int coresight_claim_device(struct coresight_device *csdev)
 {
 	return -EINVAL;
 }
 
-static inline void coresight_disclaim_device(void __iomem *base) {}
-static inline void coresight_disclaim_device_unlocked(void __iomem *base) {}
+static inline void coresight_disclaim_device(struct coresight_device *csdev) {}
+static inline void coresight_disclaim_device_unlocked(struct coresight_device *csdev) {}
 
 static inline bool coresight_loses_context_with_cpu(struct device *dev)
 {
 	return false;
 }
-#endif
+
+static inline u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset)
+{
+	WARN_ON_ONCE(1);
+	return 0;
+}
+
+static inline u32 coresight_read32(struct coresight_device *csdev, u32 offset)
+{
+	WARN_ON_ONCE(1);
+	return 0;
+}
+
+static inline void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset)
+{
+}
+
+static inline void coresight_relaxed_write32(struct coresight_device *csdev,
+					     u32 val, u32 offset)
+{
+}
+
+static inline u64 coresight_relaxed_read64(struct coresight_device *csdev,
+					   u32 offset)
+{
+	WARN_ON_ONCE(1);
+	return 0;
+}
+
+static inline u64 coresight_read64(struct coresight_device *csdev, u32 offset)
+{
+	WARN_ON_ONCE(1);
+	return 0;
+}
+
+static inline void coresight_relaxed_write64(struct coresight_device *csdev,
+					     u64 val, u32 offset)
+{
+}
+
+static inline void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset)
+{
+}
+
+#endif		/* IS_ENABLED(CONFIG_CORESIGHT) */
 
 extern int coresight_get_cpu(struct device *dev);
 
 struct coresight_platform_data *coresight_get_platform_data(struct device *dev);
 
-#endif
+#endif		/* _LINUX_COREISGHT_H */
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 6d7ab01..7730f5e 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -131,6 +131,8 @@
 extern void cpu_hotplug_enable(void);
 void clear_tasks_mm_cpumask(int cpu);
 int remove_cpu(unsigned int cpu);
+int pause_cpus(struct cpumask *cpumask);
+int resume_cpus(struct cpumask *cpumask);
 int cpu_device_down(struct device *dev);
 extern void smp_shutdown_nonboot_cpus(unsigned int primary_cpu);
 
@@ -144,6 +146,8 @@
 static inline void lockdep_assert_cpus_held(void) { }
 static inline void cpu_hotplug_disable(void) { }
 static inline void cpu_hotplug_enable(void) { }
+static inline int pause_cpus(struct cpumask *cpumask) { return -ENODEV; }
+static inline int resume_cpus(struct cpumask *cpumask) { return -ENODEV; }
 static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { }
 #endif	/* !CONFIG_HOTPLUG_CPU */
 
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index acbad3b..54ee250 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -1023,14 +1023,6 @@
 }
 #endif
 
-#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
-void sched_cpufreq_governor_change(struct cpufreq_policy *policy,
-			struct cpufreq_governor *old_gov);
-#else
-static inline void sched_cpufreq_governor_change(struct cpufreq_policy *policy,
-			struct cpufreq_governor *old_gov) { }
-#endif
-
 extern void arch_freq_prepare_all(void);
 extern unsigned int arch_freq_get_on_cpu(int cpu);
 
diff --git a/include/linux/cpufreq_times.h b/include/linux/cpufreq_times.h
new file mode 100644
index 0000000..38272a5
--- /dev/null
+++ b/include/linux/cpufreq_times.h
@@ -0,0 +1,42 @@
+/* drivers/cpufreq/cpufreq_times.c
+ *
+ * Copyright (C) 2018 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_CPUFREQ_TIMES_H
+#define _LINUX_CPUFREQ_TIMES_H
+
+#include <linux/cpufreq.h>
+#include <linux/pid.h>
+
+#ifdef CONFIG_CPU_FREQ_TIMES
+void cpufreq_task_times_init(struct task_struct *p);
+void cpufreq_task_times_alloc(struct task_struct *p);
+void cpufreq_task_times_exit(struct task_struct *p);
+int proc_time_in_state_show(struct seq_file *m, struct pid_namespace *ns,
+			    struct pid *pid, struct task_struct *p);
+void cpufreq_acct_update_power(struct task_struct *p, u64 cputime);
+void cpufreq_times_create_policy(struct cpufreq_policy *policy);
+void cpufreq_times_record_transition(struct cpufreq_policy *policy,
+                                     unsigned int new_freq);
+#else
+static inline void cpufreq_task_times_init(struct task_struct *p) {}
+static inline void cpufreq_task_times_alloc(struct task_struct *p) {}
+static inline void cpufreq_task_times_exit(struct task_struct *p) {}
+static inline void cpufreq_acct_update_power(struct task_struct *p,
+					     u64 cputime) {}
+static inline void cpufreq_times_create_policy(struct cpufreq_policy *policy) {}
+static inline void cpufreq_times_record_transition(
+	struct cpufreq_policy *policy, unsigned int new_freq) {}
+#endif /* CONFIG_CPU_FREQ_TIMES */
+#endif /* _LINUX_CPUFREQ_TIMES_H */
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index f5a5df3..843bb05 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -61,7 +61,6 @@
 	CPUHP_LUSTRE_CFS_DEAD,
 	CPUHP_AP_ARM_CACHE_B15_RAC_DEAD,
 	CPUHP_PADATA_DEAD,
-	CPUHP_RANDOM_PREPARE,
 	CPUHP_WORKQUEUE_PREP,
 	CPUHP_POWER_NUMA_PREPARE,
 	CPUHP_HRTIMERS_PREPARE,
@@ -115,6 +114,7 @@
 	CPUHP_AP_PERF_X86_CSTATE_STARTING,
 	CPUHP_AP_PERF_XTENSA_STARTING,
 	CPUHP_AP_MIPS_OP_LOONGSON3_STARTING,
+	CPUHP_AP_ARM_SDEI_STARTING,
 	CPUHP_AP_ARM_VFP_STARTING,
 	CPUHP_AP_ARM64_DEBUG_MONITORS_STARTING,
 	CPUHP_AP_PERF_ARM_HW_BREAKPOINT_STARTING,
@@ -144,12 +144,10 @@
 	/* Must be the last timer callback */
 	CPUHP_AP_DUMMY_TIMER_STARTING,
 	CPUHP_AP_ARM_XEN_STARTING,
-	CPUHP_AP_ARM_XEN_RUNSTATE_STARTING,
 	CPUHP_AP_ARM_CORESIGHT_STARTING,
 	CPUHP_AP_ARM_CORESIGHT_CTI_STARTING,
 	CPUHP_AP_ARM64_ISNDEP_STARTING,
 	CPUHP_AP_SMPCFD_DYING,
-	CPUHP_AP_HRTIMERS_DYING,
 	CPUHP_AP_X86_TBOOT_DYING,
 	CPUHP_AP_ARM_CACHE_B15_RAC_DYING,
 	CPUHP_AP_ONLINE,
@@ -189,14 +187,18 @@
 	CPUHP_AP_PERF_POWERPC_HV_GPCI_ONLINE,
 	CPUHP_AP_WATCHDOG_ONLINE,
 	CPUHP_AP_WORKQUEUE_ONLINE,
-	CPUHP_AP_RANDOM_ONLINE,
 	CPUHP_AP_RCUTREE_ONLINE,
 	CPUHP_AP_BASE_CACHEINFO_ONLINE,
 	CPUHP_AP_ONLINE_DYN,
 	CPUHP_AP_ONLINE_DYN_END		= CPUHP_AP_ONLINE_DYN + 30,
 	CPUHP_AP_X86_HPET_ONLINE,
 	CPUHP_AP_X86_KVM_CLK_ONLINE,
+	CPUHP_AP_DTPM_CPU_ONLINE,
 	CPUHP_AP_ACTIVE,
+	CPUHP_ANDROID_RESERVED_1,
+	CPUHP_ANDROID_RESERVED_2,
+	CPUHP_ANDROID_RESERVED_3,
+	CPUHP_ANDROID_RESERVED_4,
 	CPUHP_ONLINE,
 };
 
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index bd605b5..ac853b9 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -14,6 +14,7 @@
 #include <linux/percpu.h>
 #include <linux/list.h>
 #include <linux/hrtimer.h>
+#include <linux/android_kabi.h>
 
 #define CPUIDLE_STATE_MAX	10
 #define CPUIDLE_NAME_LEN	16
@@ -110,6 +111,8 @@
 	cpumask_t		coupled_cpus;
 	struct cpuidle_coupled	*coupled;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices);
@@ -135,6 +138,8 @@
 
 	/* preferred governor to switch at register time */
 	const char		*governor;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #ifdef CONFIG_CPU_IDLE
@@ -309,4 +314,12 @@
 #define CPU_PM_CPU_IDLE_ENTER_RETENTION_PARAM(low_level_idle_enter, idx, state)	\
 	__CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, state, 1)
 
+#ifdef CONFIG_CPU_IDLE_GOV_TEO
+unsigned long teo_cpu_get_util_threshold(int cpu);
+void teo_cpu_set_util_threshold(int cpu, unsigned long util);
+#else
+static inline unsigned long teo_cpu_get_util_threshold(int cpu) {return -1;}
+static inline void teo_cpu_set_util_threshold(int cpu, unsigned long util) {}
+#endif
+
 #endif /* _LINUX_CPUIDLE_H */
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index b702243..730e69b 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -15,6 +15,7 @@
 #include <linux/cpumask.h>
 #include <linux/nodemask.h>
 #include <linux/mm.h>
+#include <linux/mmu_context.h>
 #include <linux/jump_label.h>
 
 #ifdef CONFIG_CPUSETS
@@ -164,6 +165,8 @@
 	task_unlock(current);
 }
 
+extern void cpuset_hotplug_workfn(struct work_struct *work);
+
 #else /* !CONFIG_CPUSETS */
 
 static inline bool cpusets_enabled(void) { return false; }
@@ -188,7 +191,7 @@
 static inline void cpuset_cpus_allowed(struct task_struct *p,
 				       struct cpumask *mask)
 {
-	cpumask_copy(mask, cpu_possible_mask);
+	cpumask_copy(mask, task_cpu_possible_mask(p));
 }
 
 static inline void cpuset_cpus_allowed_fallback(struct task_struct *p)
@@ -284,6 +287,8 @@
 	return false;
 }
 
+static inline void cpuset_hotplug_workfn(struct work_struct *work) {}
+
 #endif /* !CONFIG_CPUSETS */
 
 #endif /* _LINUX_CPUSET_H */
diff --git a/include/linux/cred.h b/include/linux/cred.h
index d35e486..18639c0 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -109,7 +109,7 @@
  * same context as task->real_cred.
  */
 struct cred {
-	atomic_long_t	usage;
+	atomic_t	usage;
 #ifdef CONFIG_DEBUG_CREDENTIALS
 	atomic_t	subscribers;	/* number of processes subscribed */
 	void		*put_addr;
@@ -227,7 +227,7 @@
  */
 static inline struct cred *get_new_cred(struct cred *cred)
 {
-	atomic_long_inc(&cred->usage);
+	atomic_inc(&cred->usage);
 	return cred;
 }
 
@@ -259,7 +259,7 @@
 	struct cred *nonconst_cred = (struct cred *) cred;
 	if (!cred)
 		return NULL;
-	if (!atomic_long_inc_not_zero(&nonconst_cred->usage))
+	if (!atomic_inc_not_zero(&nonconst_cred->usage))
 		return NULL;
 	validate_creds(cred);
 	nonconst_cred->non_rcu = 0;
@@ -283,7 +283,7 @@
 
 	if (cred) {
 		validate_creds(cred);
-		if (atomic_long_dec_and_test(&(cred)->usage))
+		if (atomic_dec_and_test(&(cred)->usage))
 			__put_cred(cred);
 	}
 }
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index e3abd1f..da5e0d7 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -639,10 +639,6 @@
 	void *__crt_ctx[] CRYPTO_MINALIGN_ATTR;
 };
 
-struct crypto_cipher {
-	struct crypto_tfm base;
-};
-
 struct crypto_comp {
 	struct crypto_tfm base;
 };
@@ -746,165 +742,6 @@
 	return __alignof__(tfm->__crt_ctx);
 }
 
-/**
- * DOC: Single Block Cipher API
- *
- * The single block cipher API is used with the ciphers of type
- * CRYPTO_ALG_TYPE_CIPHER (listed as type "cipher" in /proc/crypto).
- *
- * Using the single block cipher API calls, operations with the basic cipher
- * primitive can be implemented. These cipher primitives exclude any block
- * chaining operations including IV handling.
- *
- * The purpose of this single block cipher API is to support the implementation
- * of templates or other concepts that only need to perform the cipher operation
- * on one block at a time. Templates invoke the underlying cipher primitive
- * block-wise and process either the input or the output data of these cipher
- * operations.
- */
-
-static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm)
-{
-	return (struct crypto_cipher *)tfm;
-}
-
-/**
- * crypto_alloc_cipher() - allocate single block cipher handle
- * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
- *	     single block cipher
- * @type: specifies the type of the cipher
- * @mask: specifies the mask for the cipher
- *
- * Allocate a cipher handle for a single block cipher. The returned struct
- * crypto_cipher is the cipher handle that is required for any subsequent API
- * invocation for that single block cipher.
- *
- * Return: allocated cipher handle in case of success; IS_ERR() is true in case
- *	   of an error, PTR_ERR() returns the error code.
- */
-static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name,
-							u32 type, u32 mask)
-{
-	type &= ~CRYPTO_ALG_TYPE_MASK;
-	type |= CRYPTO_ALG_TYPE_CIPHER;
-	mask |= CRYPTO_ALG_TYPE_MASK;
-
-	return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask));
-}
-
-static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
-{
-	return &tfm->base;
-}
-
-/**
- * crypto_free_cipher() - zeroize and free the single block cipher handle
- * @tfm: cipher handle to be freed
- */
-static inline void crypto_free_cipher(struct crypto_cipher *tfm)
-{
-	crypto_free_tfm(crypto_cipher_tfm(tfm));
-}
-
-/**
- * crypto_has_cipher() - Search for the availability of a single block cipher
- * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
- *	     single block cipher
- * @type: specifies the type of the cipher
- * @mask: specifies the mask for the cipher
- *
- * Return: true when the single block cipher is known to the kernel crypto API;
- *	   false otherwise
- */
-static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask)
-{
-	type &= ~CRYPTO_ALG_TYPE_MASK;
-	type |= CRYPTO_ALG_TYPE_CIPHER;
-	mask |= CRYPTO_ALG_TYPE_MASK;
-
-	return crypto_has_alg(alg_name, type, mask);
-}
-
-/**
- * crypto_cipher_blocksize() - obtain block size for cipher
- * @tfm: cipher handle
- *
- * The block size for the single block cipher referenced with the cipher handle
- * tfm is returned. The caller may use that information to allocate appropriate
- * memory for the data returned by the encryption or decryption operation
- *
- * Return: block size of cipher
- */
-static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm)
-{
-	return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm));
-}
-
-static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm)
-{
-	return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm));
-}
-
-static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm)
-{
-	return crypto_tfm_get_flags(crypto_cipher_tfm(tfm));
-}
-
-static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm,
-					   u32 flags)
-{
-	crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags);
-}
-
-static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm,
-					     u32 flags)
-{
-	crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags);
-}
-
-/**
- * crypto_cipher_setkey() - set key for cipher
- * @tfm: cipher handle
- * @key: buffer holding the key
- * @keylen: length of the key in bytes
- *
- * The caller provided key is set for the single block cipher referenced by the
- * cipher handle.
- *
- * Note, the key length determines the cipher type. Many block ciphers implement
- * different cipher modes depending on the key size, such as AES-128 vs AES-192
- * vs. AES-256. When providing a 16 byte key for an AES cipher handle, AES-128
- * is performed.
- *
- * Return: 0 if the setting of the key was successful; < 0 if an error occurred
- */
-int crypto_cipher_setkey(struct crypto_cipher *tfm,
-			 const u8 *key, unsigned int keylen);
-
-/**
- * crypto_cipher_encrypt_one() - encrypt one block of plaintext
- * @tfm: cipher handle
- * @dst: points to the buffer that will be filled with the ciphertext
- * @src: buffer holding the plaintext to be encrypted
- *
- * Invoke the encryption operation of one block. The caller must ensure that
- * the plaintext and ciphertext buffers are at least one block in size.
- */
-void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
-			       u8 *dst, const u8 *src);
-
-/**
- * crypto_cipher_decrypt_one() - decrypt one block of ciphertext
- * @tfm: cipher handle
- * @dst: points to the buffer that will be filled with the plaintext
- * @src: buffer holding the ciphertext to be decrypted
- *
- * Invoke the decryption operation of one block. The caller must ensure that
- * the plaintext and ciphertext buffers are at least one block in size.
- */
-void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
-			       u8 *dst, const u8 *src);
-
 static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
 {
 	return (struct crypto_comp *)tfm;
diff --git a/include/linux/damon.h b/include/linux/damon.h
new file mode 100644
index 0000000..5e1e3a1
--- /dev/null
+++ b/include/linux/damon.h
@@ -0,0 +1,511 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * DAMON api
+ *
+ * Author: SeongJae Park <sjpark@amazon.de>
+ */
+
+#ifndef _DAMON_H_
+#define _DAMON_H_
+
+#include <linux/mutex.h>
+#include <linux/time64.h>
+#include <linux/types.h>
+#include <linux/random.h>
+
+/* Minimal region size.  Every damon_region is aligned by this. */
+#define DAMON_MIN_REGION	PAGE_SIZE
+/* Max priority score for DAMON-based operation schemes */
+#define DAMOS_MAX_SCORE		(99)
+
+/* Get a random number in [l, r) */
+static inline unsigned long damon_rand(unsigned long l, unsigned long r)
+{
+	return l + prandom_u32_max(r - l);
+}
+
+/**
+ * struct damon_addr_range - Represents an address region of [@start, @end).
+ * @start:	Start address of the region (inclusive).
+ * @end:	End address of the region (exclusive).
+ */
+struct damon_addr_range {
+	unsigned long start;
+	unsigned long end;
+};
+
+/**
+ * struct damon_region - Represents a monitoring target region.
+ * @ar:			The address range of the region.
+ * @sampling_addr:	Address of the sample for the next access check.
+ * @nr_accesses:	Access frequency of this region.
+ * @list:		List head for siblings.
+ * @age:		Age of this region.
+ *
+ * @age is initially zero, increased for each aggregation interval, and reset
+ * to zero again if the access frequency is significantly changed.  If two
+ * regions are merged into a new region, both @nr_accesses and @age of the new
+ * region are set as region size-weighted average of those of the two regions.
+ */
+struct damon_region {
+	struct damon_addr_range ar;
+	unsigned long sampling_addr;
+	unsigned int nr_accesses;
+	struct list_head list;
+
+	unsigned int age;
+/* private: Internal value for age calculation. */
+	unsigned int last_nr_accesses;
+};
+
+/**
+ * struct damon_target - Represents a monitoring target.
+ * @id:			Unique identifier for this target.
+ * @nr_regions:		Number of monitoring target regions of this target.
+ * @regions_list:	Head of the monitoring target regions of this target.
+ * @list:		List head for siblings.
+ *
+ * Each monitoring context could have multiple targets.  For example, a context
+ * for virtual memory address spaces could have multiple target processes.  The
+ * @id of each target should be unique among the targets of the context.  For
+ * example, in the virtual address monitoring context, it could be a pidfd or
+ * an address of an mm_struct.
+ */
+struct damon_target {
+	unsigned long id;
+	unsigned int nr_regions;
+	struct list_head regions_list;
+	struct list_head list;
+};
+
+/**
+ * enum damos_action - Represents an action of a Data Access Monitoring-based
+ * Operation Scheme.
+ *
+ * @DAMOS_WILLNEED:	Call ``madvise()`` for the region with MADV_WILLNEED.
+ * @DAMOS_COLD:		Call ``madvise()`` for the region with MADV_COLD.
+ * @DAMOS_PAGEOUT:	Call ``madvise()`` for the region with MADV_PAGEOUT.
+ * @DAMOS_HUGEPAGE:	Call ``madvise()`` for the region with MADV_HUGEPAGE.
+ * @DAMOS_NOHUGEPAGE:	Call ``madvise()`` for the region with MADV_NOHUGEPAGE.
+ * @DAMOS_STAT:		Do nothing but count the stat.
+ */
+enum damos_action {
+	DAMOS_WILLNEED,
+	DAMOS_COLD,
+	DAMOS_PAGEOUT,
+	DAMOS_HUGEPAGE,
+	DAMOS_NOHUGEPAGE,
+	DAMOS_STAT,		/* Do nothing but only record the stat */
+};
+
+/**
+ * struct damos_quota - Controls the aggressiveness of the given scheme.
+ * @ms:			Maximum milliseconds that the scheme can use.
+ * @sz:			Maximum bytes of memory that the action can be applied.
+ * @reset_interval:	Charge reset interval in milliseconds.
+ *
+ * @weight_sz:		Weight of the region's size for prioritization.
+ * @weight_nr_accesses:	Weight of the region's nr_accesses for prioritization.
+ * @weight_age:		Weight of the region's age for prioritization.
+ *
+ * To avoid consuming too much CPU time or IO resources for applying the
+ * &struct damos->action to large memory, DAMON allows users to set time and/or
+ * size quotas.  The quotas can be set by writing non-zero values to &ms and
+ * &sz, respectively.  If the time quota is set, DAMON tries to use only up to
+ * &ms milliseconds within &reset_interval for applying the action.  If the
+ * size quota is set, DAMON tries to apply the action only up to &sz bytes
+ * within &reset_interval.
+ *
+ * Internally, the time quota is transformed to a size quota using estimated
+ * throughput of the scheme's action.  DAMON then compares it against &sz and
+ * uses smaller one as the effective quota.
+ *
+ * For selecting regions within the quota, DAMON prioritizes current scheme's
+ * target memory regions using the &struct damon_primitive->get_scheme_score.
+ * You could customize the prioritization logic by setting &weight_sz,
+ * &weight_nr_accesses, and &weight_age, because monitoring primitives are
+ * encouraged to respect those.
+ */
+struct damos_quota {
+	unsigned long ms;
+	unsigned long sz;
+	unsigned long reset_interval;
+
+	unsigned int weight_sz;
+	unsigned int weight_nr_accesses;
+	unsigned int weight_age;
+
+/* private: */
+	/* For throughput estimation */
+	unsigned long total_charged_sz;
+	unsigned long total_charged_ns;
+
+	unsigned long esz;	/* Effective size quota in bytes */
+
+	/* For charging the quota */
+	unsigned long charged_sz;
+	unsigned long charged_from;
+	struct damon_target *charge_target_from;
+	unsigned long charge_addr_from;
+
+	/* For prioritization */
+	unsigned long histogram[DAMOS_MAX_SCORE + 1];
+	unsigned int min_score;
+};
+
+/**
+ * enum damos_wmark_metric - Represents the watermark metric.
+ *
+ * @DAMOS_WMARK_NONE:		Ignore the watermarks of the given scheme.
+ * @DAMOS_WMARK_FREE_MEM_RATE:	Free memory rate of the system in [0,1000].
+ */
+enum damos_wmark_metric {
+	DAMOS_WMARK_NONE,
+	DAMOS_WMARK_FREE_MEM_RATE,
+};
+
+/**
+ * struct damos_watermarks - Controls when a given scheme should be activated.
+ * @metric:	Metric for the watermarks.
+ * @interval:	Watermarks check time interval in microseconds.
+ * @high:	High watermark.
+ * @mid:	Middle watermark.
+ * @low:	Low watermark.
+ *
+ * If &metric is &DAMOS_WMARK_NONE, the scheme is always active.  Being active
+ * means DAMON does monitoring and applying the action of the scheme to
+ * appropriate memory regions.  Else, DAMON checks &metric of the system for at
+ * least every &interval microseconds and works as below.
+ *
+ * If &metric is higher than &high, the scheme is inactivated.  If &metric is
+ * between &mid and &low, the scheme is activated.  If &metric is lower than
+ * &low, the scheme is inactivated.
+ */
+struct damos_watermarks {
+	enum damos_wmark_metric metric;
+	unsigned long interval;
+	unsigned long high;
+	unsigned long mid;
+	unsigned long low;
+
+/* private: */
+	bool activated;
+};
+
+/**
+ * struct damos_stat - Statistics on a given scheme.
+ * @nr_tried:	Total number of regions that the scheme is tried to be applied.
+ * @sz_tried:	Total size of regions that the scheme is tried to be applied.
+ * @nr_applied:	Total number of regions that the scheme is applied.
+ * @sz_applied:	Total size of regions that the scheme is applied.
+ * @qt_exceeds: Total number of times the quota of the scheme has exceeded.
+ */
+struct damos_stat {
+	unsigned long nr_tried;
+	unsigned long sz_tried;
+	unsigned long nr_applied;
+	unsigned long sz_applied;
+	unsigned long qt_exceeds;
+};
+
+/**
+ * struct damos - Represents a Data Access Monitoring-based Operation Scheme.
+ * @min_sz_region:	Minimum size of target regions.
+ * @max_sz_region:	Maximum size of target regions.
+ * @min_nr_accesses:	Minimum ``->nr_accesses`` of target regions.
+ * @max_nr_accesses:	Maximum ``->nr_accesses`` of target regions.
+ * @min_age_region:	Minimum age of target regions.
+ * @max_age_region:	Maximum age of target regions.
+ * @action:		&damo_action to be applied to the target regions.
+ * @quota:		Control the aggressiveness of this scheme.
+ * @wmarks:		Watermarks for automated (in)activation of this scheme.
+ * @stat:		Statistics of this scheme.
+ * @list:		List head for siblings.
+ *
+ * For each aggregation interval, DAMON finds regions which fit in the
+ * condition (&min_sz_region, &max_sz_region, &min_nr_accesses,
+ * &max_nr_accesses, &min_age_region, &max_age_region) and applies &action to
+ * those.  To avoid consuming too much CPU time or IO resources for the
+ * &action, &quota is used.
+ *
+ * To do the work only when needed, schemes can be activated for specific
+ * system situations using &wmarks.  If all schemes that registered to the
+ * monitoring context are inactive, DAMON stops monitoring either, and just
+ * repeatedly checks the watermarks.
+ *
+ * If all schemes that registered to a &struct damon_ctx are inactive, DAMON
+ * stops monitoring and just repeatedly checks the watermarks.
+ *
+ * After applying the &action to each region, &stat_count and &stat_sz is
+ * updated to reflect the number of regions and total size of regions that the
+ * &action is applied.
+ */
+struct damos {
+	unsigned long min_sz_region;
+	unsigned long max_sz_region;
+	unsigned int min_nr_accesses;
+	unsigned int max_nr_accesses;
+	unsigned int min_age_region;
+	unsigned int max_age_region;
+	enum damos_action action;
+	struct damos_quota quota;
+	struct damos_watermarks wmarks;
+	struct damos_stat stat;
+	struct list_head list;
+};
+
+struct damon_ctx;
+
+/**
+ * struct damon_primitive - Monitoring primitives for given use cases.
+ *
+ * @init:			Initialize primitive-internal data structures.
+ * @update:			Update primitive-internal data structures.
+ * @prepare_access_checks:	Prepare next access check of target regions.
+ * @check_accesses:		Check the accesses to target regions.
+ * @reset_aggregated:		Reset aggregated accesses monitoring results.
+ * @get_scheme_score:		Get the score of a region for a scheme.
+ * @apply_scheme:		Apply a DAMON-based operation scheme.
+ * @target_valid:		Determine if the target is valid.
+ * @cleanup:			Clean up the context.
+ *
+ * DAMON can be extended for various address spaces and usages.  For this,
+ * users should register the low level primitives for their target address
+ * space and usecase via the &damon_ctx.primitive.  Then, the monitoring thread
+ * (&damon_ctx.kdamond) calls @init and @prepare_access_checks before starting
+ * the monitoring, @update after each &damon_ctx.primitive_update_interval, and
+ * @check_accesses, @target_valid and @prepare_access_checks after each
+ * &damon_ctx.sample_interval.  Finally, @reset_aggregated is called after each
+ * &damon_ctx.aggr_interval.
+ *
+ * @init should initialize primitive-internal data structures.  For example,
+ * this could be used to construct proper monitoring target regions and link
+ * those to @damon_ctx.adaptive_targets.
+ * @update should update the primitive-internal data structures.  For example,
+ * this could be used to update monitoring target regions for current status.
+ * @prepare_access_checks should manipulate the monitoring regions to be
+ * prepared for the next access check.
+ * @check_accesses should check the accesses to each region that made after the
+ * last preparation and update the number of observed accesses of each region.
+ * It should also return max number of observed accesses that made as a result
+ * of its update.  The value will be used for regions adjustment threshold.
+ * @reset_aggregated should reset the access monitoring results that aggregated
+ * by @check_accesses.
+ * @get_scheme_score should return the priority score of a region for a scheme
+ * as an integer in [0, &DAMOS_MAX_SCORE].
+ * @apply_scheme is called from @kdamond when a region for user provided
+ * DAMON-based operation scheme is found.  It should apply the scheme's action
+ * to the region and return bytes of the region that the action is successfully
+ * applied.
+ * @target_valid should check whether the target is still valid for the
+ * monitoring.
+ * @cleanup is called from @kdamond just before its termination.
+ */
+struct damon_primitive {
+	void (*init)(struct damon_ctx *context);
+	void (*update)(struct damon_ctx *context);
+	void (*prepare_access_checks)(struct damon_ctx *context);
+	unsigned int (*check_accesses)(struct damon_ctx *context);
+	void (*reset_aggregated)(struct damon_ctx *context);
+	int (*get_scheme_score)(struct damon_ctx *context,
+			struct damon_target *t, struct damon_region *r,
+			struct damos *scheme);
+	unsigned long (*apply_scheme)(struct damon_ctx *context,
+			struct damon_target *t, struct damon_region *r,
+			struct damos *scheme);
+	bool (*target_valid)(void *target);
+	void (*cleanup)(struct damon_ctx *context);
+};
+
+/**
+ * struct damon_callback - Monitoring events notification callbacks.
+ *
+ * @before_start:	Called before starting the monitoring.
+ * @after_sampling:	Called after each sampling.
+ * @after_aggregation:	Called after each aggregation.
+ * @before_terminate:	Called before terminating the monitoring.
+ * @private:		User private data.
+ *
+ * The monitoring thread (&damon_ctx.kdamond) calls @before_start and
+ * @before_terminate just before starting and finishing the monitoring,
+ * respectively.  Therefore, those are good places for installing and cleaning
+ * @private.
+ *
+ * The monitoring thread calls @after_sampling and @after_aggregation for each
+ * of the sampling intervals and aggregation intervals, respectively.
+ * Therefore, users can safely access the monitoring results without additional
+ * protection.  For the reason, users are recommended to use these callback for
+ * the accesses to the results.
+ *
+ * If any callback returns non-zero, monitoring stops.
+ */
+struct damon_callback {
+	void *private;
+
+	int (*before_start)(struct damon_ctx *context);
+	int (*after_sampling)(struct damon_ctx *context);
+	int (*after_aggregation)(struct damon_ctx *context);
+	void (*before_terminate)(struct damon_ctx *context);
+};
+
+/**
+ * struct damon_ctx - Represents a context for each monitoring.  This is the
+ * main interface that allows users to set the attributes and get the results
+ * of the monitoring.
+ *
+ * @sample_interval:		The time between access samplings.
+ * @aggr_interval:		The time between monitor results aggregations.
+ * @primitive_update_interval:	The time between monitoring primitive updates.
+ *
+ * For each @sample_interval, DAMON checks whether each region is accessed or
+ * not.  It aggregates and keeps the access information (number of accesses to
+ * each region) for @aggr_interval time.  DAMON also checks whether the target
+ * memory regions need update (e.g., by ``mmap()`` calls from the application,
+ * in case of virtual memory monitoring) and applies the changes for each
+ * @primitive_update_interval.  All time intervals are in micro-seconds.
+ * Please refer to &struct damon_primitive and &struct damon_callback for more
+ * detail.
+ *
+ * @kdamond:		Kernel thread who does the monitoring.
+ * @kdamond_stop:	Notifies whether kdamond should stop.
+ * @kdamond_lock:	Mutex for the synchronizations with @kdamond.
+ *
+ * For each monitoring context, one kernel thread for the monitoring is
+ * created.  The pointer to the thread is stored in @kdamond.
+ *
+ * Once started, the monitoring thread runs until explicitly required to be
+ * terminated or every monitoring target is invalid.  The validity of the
+ * targets is checked via the &damon_primitive.target_valid of @primitive.  The
+ * termination can also be explicitly requested by writing non-zero to
+ * @kdamond_stop.  The thread sets @kdamond to NULL when it terminates.
+ * Therefore, users can know whether the monitoring is ongoing or terminated by
+ * reading @kdamond.  Reads and writes to @kdamond and @kdamond_stop from
+ * outside of the monitoring thread must be protected by @kdamond_lock.
+ *
+ * Note that the monitoring thread protects only @kdamond and @kdamond_stop via
+ * @kdamond_lock.  Accesses to other fields must be protected by themselves.
+ *
+ * @primitive:	Set of monitoring primitives for given use cases.
+ * @callback:	Set of callbacks for monitoring events notifications.
+ *
+ * @min_nr_regions:	The minimum number of adaptive monitoring regions.
+ * @max_nr_regions:	The maximum number of adaptive monitoring regions.
+ * @adaptive_targets:	Head of monitoring targets (&damon_target) list.
+ * @schemes:		Head of schemes (&damos) list.
+ */
+struct damon_ctx {
+	unsigned long sample_interval;
+	unsigned long aggr_interval;
+	unsigned long primitive_update_interval;
+
+/* private: internal use only */
+	struct timespec64 last_aggregation;
+	struct timespec64 last_primitive_update;
+
+/* public: */
+	struct task_struct *kdamond;
+	struct mutex kdamond_lock;
+
+	struct damon_primitive primitive;
+	struct damon_callback callback;
+
+	unsigned long min_nr_regions;
+	unsigned long max_nr_regions;
+	struct list_head adaptive_targets;
+	struct list_head schemes;
+};
+
+static inline struct damon_region *damon_next_region(struct damon_region *r)
+{
+	return container_of(r->list.next, struct damon_region, list);
+}
+
+static inline struct damon_region *damon_prev_region(struct damon_region *r)
+{
+	return container_of(r->list.prev, struct damon_region, list);
+}
+
+static inline struct damon_region *damon_last_region(struct damon_target *t)
+{
+	return list_last_entry(&t->regions_list, struct damon_region, list);
+}
+
+#define damon_for_each_region(r, t) \
+	list_for_each_entry(r, &t->regions_list, list)
+
+#define damon_for_each_region_safe(r, next, t) \
+	list_for_each_entry_safe(r, next, &t->regions_list, list)
+
+#define damon_for_each_target(t, ctx) \
+	list_for_each_entry(t, &(ctx)->adaptive_targets, list)
+
+#define damon_for_each_target_safe(t, next, ctx)	\
+	list_for_each_entry_safe(t, next, &(ctx)->adaptive_targets, list)
+
+#define damon_for_each_scheme(s, ctx) \
+	list_for_each_entry(s, &(ctx)->schemes, list)
+
+#define damon_for_each_scheme_safe(s, next, ctx) \
+	list_for_each_entry_safe(s, next, &(ctx)->schemes, list)
+
+#ifdef CONFIG_DAMON
+
+struct damon_region *damon_new_region(unsigned long start, unsigned long end);
+
+/*
+ * Add a region between two other regions
+ */
+static inline void damon_insert_region(struct damon_region *r,
+		struct damon_region *prev, struct damon_region *next,
+		struct damon_target *t)
+{
+	__list_add(&r->list, &prev->list, &next->list);
+	t->nr_regions++;
+}
+
+void damon_add_region(struct damon_region *r, struct damon_target *t);
+void damon_destroy_region(struct damon_region *r, struct damon_target *t);
+
+struct damos *damon_new_scheme(
+		unsigned long min_sz_region, unsigned long max_sz_region,
+		unsigned int min_nr_accesses, unsigned int max_nr_accesses,
+		unsigned int min_age_region, unsigned int max_age_region,
+		enum damos_action action, struct damos_quota *quota,
+		struct damos_watermarks *wmarks);
+void damon_add_scheme(struct damon_ctx *ctx, struct damos *s);
+void damon_destroy_scheme(struct damos *s);
+
+struct damon_target *damon_new_target(unsigned long id);
+void damon_add_target(struct damon_ctx *ctx, struct damon_target *t);
+bool damon_targets_empty(struct damon_ctx *ctx);
+void damon_free_target(struct damon_target *t);
+void damon_destroy_target(struct damon_target *t);
+unsigned int damon_nr_regions(struct damon_target *t);
+
+struct damon_ctx *damon_new_ctx(void);
+void damon_destroy_ctx(struct damon_ctx *ctx);
+int damon_set_targets(struct damon_ctx *ctx,
+		unsigned long *ids, ssize_t nr_ids);
+int damon_set_attrs(struct damon_ctx *ctx, unsigned long sample_int,
+		unsigned long aggr_int, unsigned long primitive_upd_int,
+		unsigned long min_nr_reg, unsigned long max_nr_reg);
+int damon_set_schemes(struct damon_ctx *ctx,
+			struct damos **schemes, ssize_t nr_schemes);
+int damon_nr_running_ctxs(void);
+
+int damon_start(struct damon_ctx **ctxs, int nr_ctxs);
+int damon_stop(struct damon_ctx **ctxs, int nr_ctxs);
+
+#endif	/* CONFIG_DAMON */
+
+#ifdef CONFIG_DAMON_VADDR
+bool damon_va_target_valid(void *t);
+void damon_va_set_primitives(struct damon_ctx *ctx);
+#endif	/* CONFIG_DAMON_VADDR */
+
+#ifdef CONFIG_DAMON_PADDR
+bool damon_pa_target_valid(void *t);
+void damon_pa_set_primitives(struct damon_ctx *ctx);
+#endif	/* CONFIG_DAMON_PADDR */
+
+#endif	/* _DAMON_H */
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 6f95c33..8836cf7 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -13,6 +13,7 @@
 #include <linux/lockref.h>
 #include <linux/stringhash.h>
 #include <linux/wait.h>
+#include <linux/android_kabi.h>
 
 struct path;
 struct vfsmount;
@@ -118,6 +119,9 @@
 		struct hlist_bl_node d_in_lookup_hash;	/* only for in-lookup ones */
 	 	struct rcu_head d_rcu;
 	} d_u;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 /*
@@ -147,6 +151,11 @@
 	struct vfsmount *(*d_automount)(struct path *);
 	int (*d_manage)(const struct path *, bool);
 	struct dentry *(*d_real)(struct dentry *, const struct inode *);
+	void (*d_canonical_path)(const struct path *, struct path *);
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } ____cacheline_aligned;
 
 /*
diff --git a/include/linux/delay.h b/include/linux/delay.h
index 1d0e2ce..abecbcc 100644
--- a/include/linux/delay.h
+++ b/include/linux/delay.h
@@ -20,6 +20,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/sched.h>
 
 extern unsigned long loops_per_jiffy;
 
@@ -58,8 +59,15 @@
 void __attribute__((weak)) calibration_delay_done(void);
 void msleep(unsigned int msecs);
 unsigned long msleep_interruptible(unsigned int msecs);
+void usleep_range_state(unsigned long min, unsigned long max,
+			unsigned int state);
 void usleep_range(unsigned long min, unsigned long max);
 
+static inline void usleep_idle_range(unsigned long min, unsigned long max)
+{
+	usleep_range_state(min, max, TASK_IDLE);
+}
+
 static inline void ssleep(unsigned int seconds)
 {
 	msleep(seconds * 1000);
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index fc4c7ad..121a243 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -146,8 +146,8 @@
  * @work:	delayed work for load monitoring.
  * @previous_freq:	previously configured frequency value.
  * @last_status:	devfreq user device info, performance statistics
- * @data:	devfreq driver pass to governors, governor should not change it.
- * @governor_data:	private data for governors, devfreq core doesn't touch it.
+ * @data:	Private data of the governor. The devfreq framework does not
+ *		touch this.
  * @user_min_freq_req:	PM QoS minimum frequency request from user (via sysfs)
  * @user_max_freq_req:	PM QoS maximum frequency request from user (via sysfs)
  * @scaling_min_freq:	Limit minimum frequency requested by OPP interface
@@ -183,8 +183,7 @@
 	unsigned long previous_freq;
 	struct devfreq_dev_status last_status;
 
-	void *data;
-	void *governor_data;
+	void *data; /* private data for governors */
 
 	struct dev_pm_qos_request user_min_freq_req;
 	struct dev_pm_qos_request user_max_freq_req;
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 50cc070..ccb909e 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -13,6 +13,7 @@
 #include <linux/dm-ioctl.h>
 #include <linux/math64.h>
 #include <linux/ratelimit.h>
+#include <linux/android_kabi.h>
 
 struct dm_dev;
 struct dm_target;
@@ -198,6 +199,9 @@
 	dm_dax_copy_iter_fn dax_copy_to_iter;
 	dm_dax_zero_page_range_fn dax_zero_page_range;
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
 	/* For internal device-mapper use. */
 	struct list_head list;
 };
@@ -261,6 +265,12 @@
 #define DM_TARGET_NOWAIT		0x00000080
 #define dm_target_supports_nowait(type) ((type)->features & DM_TARGET_NOWAIT)
 
+/*
+ * A target supports passing through inline crypto support.
+ */
+#define DM_TARGET_PASSES_CRYPTO		0x00000100
+#define dm_target_passes_crypto(type) ((type)->features & DM_TARGET_PASSES_CRYPTO)
+
 #ifdef CONFIG_BLK_DEV_ZONED
 #define DM_TARGET_MIXED_ZONED_MODEL	0x00000200
 #define dm_target_supports_mixed_zoned_model(type) \
@@ -343,6 +353,9 @@
 	 * Set if we need to limit the number of in-flight bios when swapping.
 	 */
 	bool limit_swap_bios:1;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 void *dm_per_bio_data(struct bio *bio, size_t data_size);
@@ -552,6 +565,11 @@
 			       struct dm_table *t);
 
 /*
+ * Table keyslot manager functions
+ */
+void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm);
+
+/*
  * A wrapper around vmalloc.
  */
 void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
diff --git a/include/linux/device.h b/include/linux/device.h
index 6394c4b..f707b95 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -30,6 +30,7 @@
 #include <linux/device/bus.h>
 #include <linux/device/class.h>
 #include <linux/device/driver.h>
+#include <linux/android_kabi.h>
 #include <asm/device.h>
 
 struct device;
@@ -324,6 +325,7 @@
  * AUTOPROBE_CONSUMER: Probe consumer driver automatically after supplier binds.
  * MANAGED: The core tracks presence of supplier/consumer drivers (internal).
  * SYNC_STATE_ONLY: Link only affects sync_state() behavior.
+ * INFERRED: Inferred from data (eg: firmware) and not from driver actions.
  */
 #define DL_FLAG_STATELESS		BIT(0)
 #define DL_FLAG_AUTOREMOVE_CONSUMER	BIT(1)
@@ -333,6 +335,7 @@
 #define DL_FLAG_AUTOPROBE_CONSUMER	BIT(5)
 #define DL_FLAG_MANAGED			BIT(6)
 #define DL_FLAG_SYNC_STATE_ONLY		BIT(7)
+#define DL_FLAG_INFERRED		BIT(8)
 
 /**
  * enum dl_dev_state - Device driver presence tracking information.
@@ -349,38 +352,16 @@
 };
 
 /**
- * enum device_removable - Whether the device is removable. The criteria for a
- * device to be classified as removable is determined by its subsystem or bus.
- * @DEVICE_REMOVABLE_NOT_SUPPORTED: This attribute is not supported for this
- *				    device (default).
- * @DEVICE_REMOVABLE_UNKNOWN:  Device location is Unknown.
- * @DEVICE_FIXED: Device is not removable by the user.
- * @DEVICE_REMOVABLE: Device is removable by the user.
- */
-enum device_removable {
-	DEVICE_REMOVABLE_NOT_SUPPORTED = 0, /* must be 0 */
-	DEVICE_REMOVABLE_UNKNOWN,
-	DEVICE_FIXED,
-	DEVICE_REMOVABLE,
-};
-
-/**
  * struct dev_links_info - Device data related to device links.
  * @suppliers: List of links to supplier devices.
  * @consumers: List of links to consumer devices.
- * @needs_suppliers: Hook to global list of devices waiting for suppliers.
- * @defer_hook: Hook to global list of devices that have deferred sync_state or
- *		deferred fw_devlink.
- * @need_for_probe: If needs_suppliers is on a list, this indicates if the
- *		    suppliers are needed for probe or not.
+ * @defer_sync: Hook to global list of devices that have deferred sync_state.
  * @status: Driver status information.
  */
 struct dev_links_info {
 	struct list_head suppliers;
 	struct list_head consumers;
-	struct list_head needs_suppliers;
-	struct list_head defer_hook;
-	bool need_for_probe;
+	struct list_head defer_sync;
 	enum dl_dev_state status;
 };
 
@@ -436,6 +417,7 @@
  * @dma_pools:	Dma pools (if dma'ble device).
  * @dma_mem:	Internal for coherent mem override.
  * @cma_area:	Contiguous memory area for dma allocations
+ * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
  * @archdata:	For arch-specific additions.
  * @of_node:	Associated device tree node.
  * @fwnode:	Associated device node supplied by platform firmware.
@@ -451,9 +433,6 @@
  * 		device (i.e. the bus driver that discovered the device).
  * @iommu_group: IOMMU group the device belongs to.
  * @iommu:	Per device generic IOMMU runtime data
- * @removable:  Whether the device can be removed from the system. This
- *              should be set by the subsystem / bus driver that discovered
- *              the device.
  *
  * @offline_disabled: If set, the device is permanently online.
  * @offline:	Set after successful invocation of bus type's .offline().
@@ -543,6 +522,9 @@
 	struct cma *cma_area;		/* contiguous memory area for dma
 					   allocations */
 #endif
+#ifdef CONFIG_SWIOTLB
+	struct io_tlb_mem *dma_io_tlb_mem;
+#endif
 	/* arch specific additions */
 	struct dev_archdata	archdata;
 
@@ -565,8 +547,6 @@
 	struct iommu_group	*iommu_group;
 	struct dev_iommu	*iommu;
 
-	enum device_removable	removable;
-
 	bool			offline_disabled:1;
 	bool			offline:1;
 	bool			of_node_reused:1;
@@ -579,6 +559,14 @@
 #ifdef CONFIG_DMA_OPS_BYPASS
 	bool			dma_ops_bypass : 1;
 #endif
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+	ANDROID_KABI_RESERVE(5);
+	ANDROID_KABI_RESERVE(6);
+	ANDROID_KABI_RESERVE(7);
+	ANDROID_KABI_RESERVE(8);
 };
 
 /**
@@ -605,8 +593,14 @@
 	u32 flags;
 	refcount_t rpm_active;
 	struct kref kref;
+#ifdef CONFIG_SRCU
+	/* Not currently used, here for potential abi issues in the future */
+	struct rcu_head rcu_head;
+#endif
 	struct work_struct rm_work;
 	bool supplier_preactivated; /* Owned by consumer probe. */
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 static inline struct device *kobj_to_dev(struct kobject *kobj)
@@ -802,22 +796,6 @@
 	return false;
 }
 
-static inline void dev_set_removable(struct device *dev,
-				     enum device_removable removable)
-{
-	dev->removable = removable;
-}
-
-static inline bool dev_is_removable(struct device *dev)
-{
-	return dev->removable == DEVICE_REMOVABLE;
-}
-
-static inline bool dev_removable_is_valid(struct device *dev)
-{
-	return dev->removable != DEVICE_REMOVABLE_NOT_SUPPORTED;
-}
-
 /*
  * High level routines for use by the bus drivers
  */
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index 1ea5e1d..93ed259 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -112,6 +112,11 @@
 	struct lock_class_key lock_key;
 
 	bool need_parent_lock;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 extern int __must_check bus_register(struct bus_type *bus);
diff --git a/include/linux/device/class.h b/include/linux/device/class.h
index e8d470c..9923e48 100644
--- a/include/linux/device/class.h
+++ b/include/linux/device/class.h
@@ -18,6 +18,7 @@
 #include <linux/klist.h>
 #include <linux/pm.h>
 #include <linux/device/bus.h>
+#include <linux/android_kabi.h>
 
 struct device;
 struct fwnode_handle;
@@ -75,6 +76,11 @@
 	const struct dev_pm_ops *pm;
 
 	struct subsys_private *p;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct class_dev_iter {
diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index a44f5ad..3c72534 100644
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -118,6 +118,11 @@
 	void (*coredump) (struct device *dev);
 
 	struct driver_private *p;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 957b398..63ffe57 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -21,6 +21,7 @@
 #include <linux/fs.h>
 #include <linux/dma-fence.h>
 #include <linux/wait.h>
+#include <linux/android_kabi.h>
 
 struct device;
 struct dma_buf;
@@ -210,6 +211,41 @@
 	int (*begin_cpu_access)(struct dma_buf *, enum dma_data_direction);
 
 	/**
+	 * @begin_cpu_access_partial:
+	 *
+	 * This is called from dma_buf_begin_cpu_access_partial() and allows the
+	 * exporter to ensure that the memory specified in the range is
+	 * available for cpu access - the exporter might need to allocate or
+	 * swap-in and pin the backing storage.
+	 * The exporter also needs to ensure that cpu access is
+	 * coherent for the access direction. The direction can be used by the
+	 * exporter to optimize the cache flushing, i.e. access with a different
+	 * direction (read instead of write) might return stale or even bogus
+	 * data (e.g. when the exporter needs to copy the data to temporary
+	 * storage).
+	 *
+	 * This callback is optional.
+	 *
+	 * FIXME: This is both called through the DMA_BUF_IOCTL_SYNC command
+	 * from userspace (where storage shouldn't be pinned to avoid handing
+	 * de-factor mlock rights to userspace) and for the kernel-internal
+	 * users of the various kmap interfaces, where the backing storage must
+	 * be pinned to guarantee that the atomic kmap calls can succeed. Since
+	 * there's no in-kernel users of the kmap interfaces yet this isn't a
+	 * real problem.
+	 *
+	 * Returns:
+	 *
+	 * 0 on success or a negative error code on failure. This can for
+	 * example fail when the backing storage can't be allocated. Can also
+	 * return -ERESTARTSYS or -EINTR when the call has been interrupted and
+	 * needs to be restarted.
+	 */
+	int (*begin_cpu_access_partial)(struct dma_buf *dmabuf,
+					enum dma_data_direction,
+					unsigned int offset, unsigned int len);
+
+	/**
 	 * @end_cpu_access:
 	 *
 	 * This is called from dma_buf_end_cpu_access() when the importer is
@@ -229,6 +265,28 @@
 	int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction);
 
 	/**
+	 * @end_cpu_access_partial:
+	 *
+	 * This is called from dma_buf_end_cpu_access_partial() when the
+	 * importer is done accessing the CPU. The exporter can use to limit
+	 * cache flushing to only the range specefied and to unpin any
+	 * resources pinned in @begin_cpu_access_umapped.
+	 * The result of any dma_buf kmap calls after end_cpu_access_partial is
+	 * undefined.
+	 *
+	 * This callback is optional.
+	 *
+	 * Returns:
+	 *
+	 * 0 on success or a negative error code on failure. Can return
+	 * -ERESTARTSYS or -EINTR when the call has been interrupted and needs
+	 * to be restarted.
+	 */
+	int (*end_cpu_access_partial)(struct dma_buf *dmabuf,
+				      enum dma_data_direction,
+				      unsigned int offset, unsigned int len);
+
+	/**
 	 * @mmap:
 	 *
 	 * This callback is used by the dma_buf_mmap() function
@@ -267,6 +325,38 @@
 
 	void *(*vmap)(struct dma_buf *);
 	void (*vunmap)(struct dma_buf *, void *vaddr);
+
+	/**
+	 * @get_uuid
+	 *
+	 * This is called by dma_buf_get_uuid to get the UUID which identifies
+	 * the buffer to virtio devices.
+	 *
+	 * This callback is optional.
+	 *
+	 * Returns:
+	 *
+	 * 0 on success or a negative error code on failure. On success uuid
+	 * will be populated with the buffer's UUID.
+	 */
+	int (*get_uuid)(struct dma_buf *dmabuf, uuid_t *uuid);
+
+	/**
+	 * @get_flags:
+	 *
+	 * This is called by dma_buf_get_flags and is used to get the buffer's
+	 * flags.
+	 * This callback is optional.
+	 *
+	 * Returns:
+	 *
+	 * 0 on success or a negative error code on failure. On success flags
+	 * will be populated with the buffer's flags.
+	 */
+	int (*get_flags)(struct dma_buf *dmabuf, unsigned long *flags);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
@@ -292,6 +382,7 @@
  * @poll: for userspace poll support
  * @cb_excl: for userspace poll support
  * @cb_shared: for userspace poll support
+ * @sysfs_entry: for exposing information about this buffer in sysfs.
  *
  * This represents a shared buffer, created by calling dma_buf_export(). The
  * userspace representation is a normal file descriptor, which can be created by
@@ -327,6 +418,16 @@
 
 		__poll_t active;
 	} cb_excl, cb_shared;
+#ifdef CONFIG_DMABUF_SYSFS_STATS
+	/* for sysfs stats */
+	struct dma_buf_sysfs_entry {
+		struct kobject kobj;
+		struct dma_buf *dmabuf;
+	} *sysfs_entry;
+#endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
@@ -376,6 +477,8 @@
  * @importer_ops: importer operations for this attachment, if provided
  * dma_buf_map/unmap_attachment() must be called with the dma_resv lock held.
  * @importer_priv: importer specific attachment data.
+ * @dma_map_attrs: DMA attributes to be used when the exporter maps the buffer
+ * through dma_buf_map_attachment.
  *
  * This structure holds the attachment information between the dma_buf buffer
  * and its user device(s). The list contains one attachment struct per device
@@ -396,6 +499,10 @@
 	const struct dma_buf_attach_ops *importer_ops;
 	void *importer_priv;
 	void *priv;
+	unsigned long dma_map_attrs;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
@@ -419,6 +526,9 @@
 	int flags;
 	struct dma_resv *resv;
 	void *priv;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
@@ -473,6 +583,9 @@
 	return !!attach->importer_ops;
 }
 
+int get_each_dmabuf(int (*callback)(const struct dma_buf *dmabuf,
+		    void *private), void *private);
+int is_dma_buf_file(struct file *file);
 struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
 					  struct device *dev);
 struct dma_buf_attachment *
@@ -497,11 +610,20 @@
 void dma_buf_move_notify(struct dma_buf *dma_buf);
 int dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
 			     enum dma_data_direction dir);
+int dma_buf_begin_cpu_access_partial(struct dma_buf *dma_buf,
+				     enum dma_data_direction dir,
+				     unsigned int offset, unsigned int len);
 int dma_buf_end_cpu_access(struct dma_buf *dma_buf,
 			   enum dma_data_direction dir);
+int dma_buf_end_cpu_access_partial(struct dma_buf *dma_buf,
+				     enum dma_data_direction dir,
+				     unsigned int offset, unsigned int len);
 
 int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *,
 		 unsigned long);
 void *dma_buf_vmap(struct dma_buf *);
 void dma_buf_vunmap(struct dma_buf *, void *vaddr);
+int dma_buf_get_flags(struct dma_buf *dmabuf, unsigned long *flags);
+int dma_buf_get_uuid(struct dma_buf *dmabuf, uuid_t *uuid);
+
 #endif /* __DMA_BUF_H__ */
diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h
index 18aade1..80f0dba 100644
--- a/include/linux/dma-direct.h
+++ b/include/linux/dma-direct.h
@@ -24,6 +24,33 @@
 	u64		offset;
 };
 
+static inline bool zone_dma32_is_empty(int node)
+{
+#ifdef CONFIG_ZONE_DMA32
+	pg_data_t *pgdat = NODE_DATA(node);
+
+	return zone_is_empty(&pgdat->node_zones[ZONE_DMA32]);
+#else
+	return true;
+#endif
+}
+
+static inline bool zone_dma32_are_empty(void)
+{
+#ifdef CONFIG_NUMA
+	int node;
+
+	for_each_node(node)
+		if (!zone_dma32_is_empty(node))
+			return false;
+#else
+	if (!zone_dma32_is_empty(numa_node_id()))
+		return false;
+#endif
+
+	return true;
+}
+
 static inline dma_addr_t translate_phys_to_dma(struct device *dev,
 		phys_addr_t paddr)
 {
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 09e23ad..9f12efa 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -372,6 +372,9 @@
 
 int dma_fence_signal(struct dma_fence *fence);
 int dma_fence_signal_locked(struct dma_fence *fence);
+int dma_fence_signal_timestamp(struct dma_fence *fence, ktime_t timestamp);
+int dma_fence_signal_timestamp_locked(struct dma_fence *fence,
+				      ktime_t timestamp);
 signed long dma_fence_default_wait(struct dma_fence *fence,
 				   bool intr, signed long timeout);
 int dma_fence_add_callback(struct dma_fence *fence,
diff --git a/include/linux/dma-heap.h b/include/linux/dma-heap.h
index 454e354..e8f0e92c 100644
--- a/include/linux/dma-heap.h
+++ b/include/linux/dma-heap.h
@@ -16,15 +16,17 @@
 
 /**
  * struct dma_heap_ops - ops to operate on a given heap
- * @allocate:		allocate dmabuf and return fd
+ * @allocate:		allocate dmabuf and return struct dma_buf ptr
+ * @get_pool_size:	if heap maintains memory pools, get pool size in bytes
  *
- * allocate returns dmabuf fd  on success, -errno on error.
+ * allocate returns dmabuf on success, ERR_PTR(-errno) on error.
  */
 struct dma_heap_ops {
-	int (*allocate)(struct dma_heap *heap,
+	struct dma_buf *(*allocate)(struct dma_heap *heap,
 			unsigned long len,
 			unsigned long fd_flags,
 			unsigned long heap_flags);
+	long (*get_pool_size)(struct dma_heap *heap);
 };
 
 /**
@@ -51,9 +53,72 @@
 void *dma_heap_get_drvdata(struct dma_heap *heap);
 
 /**
+ * dma_heap_get_dev() - get device struct for the heap
+ * @heap: DMA-Heap to retrieve device struct from
+ *
+ * Returns:
+ * The device struct for the heap.
+ */
+struct device *dma_heap_get_dev(struct dma_heap *heap);
+
+/**
+ * dma_heap_get_name() - get heap name
+ * @heap: DMA-Heap to retrieve private data for
+ *
+ * Returns:
+ * The char* for the heap name.
+ */
+const char *dma_heap_get_name(struct dma_heap *heap);
+
+/**
  * dma_heap_add - adds a heap to dmabuf heaps
  * @exp_info:		information needed to register this heap
  */
 struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info);
 
+/**
+ * dma_heap_put - drops a reference to a dmabuf heaps, potentially freeing it
+ * @heap:		heap pointer
+ */
+void dma_heap_put(struct dma_heap *heap);
+
+/**
+ * dma_heap_find - Returns the registered dma_heap with the specified name
+ * @name: Name of the heap to find
+ *
+ * NOTE: dma_heaps returned from this function MUST be released
+ * using dma_heap_put() when the user is done.
+ */
+struct dma_heap *dma_heap_find(const char *name);
+
+/**
+ * dma_heap_buffer_alloc - Allocate dma-buf from a dma_heap
+ * @heap:	dma_heap to allocate from
+ * @len:	size to allocate
+ * @fd_flags:	flags to set on returned dma-buf fd
+ * @heap_flags:	flags to pass to the dma heap
+ *
+ * This is for internal dma-buf allocations only.
+ */
+struct dma_buf *dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,
+				      unsigned int fd_flags,
+				      unsigned int heap_flags);
+
+/** dma_heap_buffer_free - Free dma_buf allocated by dma_heap_buffer_alloc
+ * @dma_buf:	dma_buf to free
+ *
+ * This is really only a simple wrapper to dma_buf_put()
+ */
+void dma_heap_buffer_free(struct dma_buf *);
+
+/**
+ * dma_heap_bufferfd_alloc - Allocate dma-buf fd from a dma_heap
+ * @heap:	dma_heap to allocate from
+ * @len:	size to allocate
+ * @fd_flags:	flags to set on returned dma-buf fd
+ * @heap_flags:	flags to pass to the dma heap
+ */
+int dma_heap_bufferfd_alloc(struct dma_heap *heap, size_t len,
+			    unsigned int fd_flags,
+			    unsigned int heap_flags);
 #endif /* _DMA_HEAPS_H */
diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index 2112f21..f51561ed 100644
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -37,6 +37,11 @@
 
 void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
 
+int iommu_dma_reserve_iova(struct device *dev, dma_addr_t base,
+			   u64 size);
+
+int iommu_dma_enable_best_fit_algo(struct device *dev);
+
 #else /* CONFIG_IOMMU_DMA */
 
 struct iommu_domain;
@@ -78,5 +83,16 @@
 {
 }
 
+static inline int iommu_dma_reserve_iova(struct device *dev, dma_addr_t base,
+					 u64 size)
+{
+	return -ENODEV;
+}
+
+static inline int iommu_dma_enable_best_fit_algo(struct device *dev)
+{
+	return -ENODEV;
+}
+
 #endif	/* CONFIG_IOMMU_DMA */
 #endif	/* __DMA_IOMMU_H */
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index ba1d93c..c250057 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -8,6 +8,7 @@
 
 #include <linux/dma-mapping.h>
 #include <linux/pgtable.h>
+#include <linux/android_kabi.h>
 
 struct cma;
 
@@ -69,6 +70,11 @@
 	u64 (*get_required_mask)(struct device *dev);
 	size_t (*max_mapping_size)(struct device *dev);
 	unsigned long (*get_merge_boundary)(struct device *dev);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #ifdef CONFIG_DMA_OPS
@@ -261,6 +267,14 @@
 #define pgprot_dmacoherent(prot)	pgprot_noncached(prot)
 #endif
 
+/*
+ * If there is no system cache pgprot, then fallback to dmacoherent
+ * pgprot, as the expectation is that the device is not coherent.
+ */
+#ifndef pgprot_syscached
+#define pgprot_syscached(prot)		pgprot_dmacoherent(prot)
+#endif
+
 pgprot_t dma_pgprot(struct device *dev, pgprot_t prot, unsigned long attrs);
 #else
 static inline pgprot_t dma_pgprot(struct device *dev, pgprot_t prot,
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index a7d70cde..7270f12 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -62,6 +62,23 @@
 #define DMA_ATTR_PRIVILEGED		(1UL << 9)
 
 /*
+ * DMA_ATTR_SYS_CACHE_ONLY: used to indicate that the buffer should be mapped
+ * with the correct memory attributes so that it can be cached in the system
+ * or last level cache. This is useful for buffers that are being mapped for
+ * devices that are non-coherent, but can use the system cache.
+ */
+#define DMA_ATTR_SYS_CACHE_ONLY		(1UL << 10)
+
+/*
+ * DMA_ATTR_SYS_CACHE_ONLY_NWA: used to indicate that the buffer should be
+ * mapped with the correct memory attributes so that it can be cached in the
+ * system or last level cache, with a no write allocate cache policy. This is
+ * useful for buffers that are being mapped for devices that are non-coherent,
+ * but can use the system cache.
+ */
+#define DMA_ATTR_SYS_CACHE_ONLY_NWA	(1UL << 11)
+
+/*
  * A dma_addr_t can hold any valid DMA or bus address for the platform.  It can
  * be given to a device to use as a DMA source or target.  It is specific to a
  * given device and there may be a translation between the CPU physical address
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index dd357a7..3f8dcaa 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -12,6 +12,7 @@
 #include <linux/scatterlist.h>
 #include <linux/bitmap.h>
 #include <linux/types.h>
+#include <linux/android_kabi.h>
 #include <asm/page.h>
 
 /**
@@ -418,6 +419,9 @@
  * @slave_id: Slave requester id. Only valid for slave channels. The dma
  * slave peripheral will have unique id as dma requester which need to be
  * pass as slave config.
+ * @peripheral_config: peripheral configuration for programming peripheral
+ * for dmaengine transfer
+ * @peripheral_size: peripheral configuration buffer size
  *
  * This struct is passed in as configuration data to a DMA engine
  * in order to set up a certain channel for DMA transport at runtime.
@@ -443,6 +447,8 @@
 	u32 dst_port_window_size;
 	bool device_fc;
 	unsigned int slave_id;
+	void *peripheral_config;
+	size_t peripheral_size;
 };
 
 /**
@@ -936,6 +942,11 @@
 	void (*dbg_summary_show)(struct seq_file *s, struct dma_device *dev);
 	struct dentry *dbg_dev_root;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 static inline int dmaengine_slave_config(struct dma_chan *chan,
diff --git a/include/linux/dtpm.h b/include/linux/dtpm.h
new file mode 100644
index 0000000..e80a332
--- /dev/null
+++ b/include/linux/dtpm.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Linaro Ltd
+ *
+ * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
+ */
+#ifndef ___DTPM_H__
+#define ___DTPM_H__
+
+#include <linux/powercap.h>
+
+#define MAX_DTPM_DESCR 8
+#define MAX_DTPM_CONSTRAINTS 1
+
+struct dtpm {
+	struct powercap_zone zone;
+	struct dtpm *parent;
+	struct list_head sibling;
+	struct list_head children;
+	struct dtpm_ops *ops;
+	unsigned long flags;
+	u64 power_limit;
+	u64 power_max;
+	u64 power_min;
+	int weight;
+	void *private;
+};
+
+struct dtpm_ops {
+	u64 (*set_power_uw)(struct dtpm *, u64);
+	u64 (*get_power_uw)(struct dtpm *);
+	void (*release)(struct dtpm *);
+};
+
+struct dtpm_descr;
+
+typedef int (*dtpm_init_t)(struct dtpm_descr *);
+
+struct dtpm_descr {
+	struct dtpm *parent;
+	const char *name;
+	dtpm_init_t init;
+};
+
+/* Init section thermal table */
+extern struct dtpm_descr *__dtpm_table[];
+extern struct dtpm_descr *__dtpm_table_end[];
+
+#define DTPM_TABLE_ENTRY(name)			\
+	static typeof(name) *__dtpm_table_entry_##name	\
+	__used __section("__dtpm_table") = &name
+
+#define DTPM_DECLARE(name)	DTPM_TABLE_ENTRY(name)
+
+#define for_each_dtpm_table(__dtpm)	\
+	for (__dtpm = __dtpm_table;	\
+	     __dtpm < __dtpm_table_end;	\
+	     __dtpm++)
+
+static inline struct dtpm *to_dtpm(struct powercap_zone *zone)
+{
+	return container_of(zone, struct dtpm, zone);
+}
+
+int dtpm_update_power(struct dtpm *dtpm, u64 power_min, u64 power_max);
+
+int dtpm_release_zone(struct powercap_zone *pcz);
+
+struct dtpm *dtpm_alloc(struct dtpm_ops *ops);
+
+void dtpm_unregister(struct dtpm *dtpm);
+
+int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent);
+
+int dtpm_register_cpu(struct dtpm *parent);
+
+#endif
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index bc26b4e..0c75ed0 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -4,6 +4,7 @@
 
 #include <linux/percpu.h>
 #include <linux/hashtable.h>
+#include <linux/android_kabi.h>
 
 #ifdef CONFIG_BLOCK
 
@@ -50,6 +51,11 @@
 	struct request *(*next_request)(struct request_queue *, struct request *);
 	void (*init_icq)(struct io_cq *);
 	void (*exit_icq)(struct io_cq *);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #define ELV_NAME_MAX	(16)
@@ -86,6 +92,9 @@
 	/* managed by elevator core */
 	char icq_cache_name[ELV_NAME_MAX + 6];	/* elvname + "_io_cq" */
 	struct list_head list;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 #define ELV_HASH_BITS 6
@@ -172,6 +181,8 @@
 
 /* Supports zoned block devices sequential write constraint */
 #define ELEVATOR_F_ZBD_SEQ_WRITE	(1U << 0)
+/* Supports scheduling on multiple hardware queues */
+#define ELEVATOR_F_MQ_AWARE		(1U << 1)
 
 #endif /* CONFIG_BLOCK */
 #endif
diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
index 5f04a2b..9ca1ea0 100644
--- a/include/linux/energy_model.h
+++ b/include/linux/energy_model.h
@@ -29,6 +29,8 @@
  * em_perf_domain - Performance domain
  * @table:		List of performance states, in ascending order
  * @nr_perf_states:	Number of performance states
+ * @milliwatts:		Flag indicating the power values are in milli-Watts
+ *			or some other scale.
  * @cpus:		Cpumask covering the CPUs of the domain. It's here
  *			for performance reasons to avoid potential cache
  *			misses during energy calculations in the scheduler
@@ -43,6 +45,7 @@
 struct em_perf_domain {
 	struct em_perf_state *table;
 	int nr_perf_states;
+	int milliwatts;
 	unsigned long cpus[];
 };
 
@@ -95,7 +98,8 @@
 struct em_perf_domain *em_cpu_get(int cpu);
 struct em_perf_domain *em_pd_get(struct device *dev);
 int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
-				struct em_data_callback *cb, cpumask_t *span);
+				struct em_data_callback *cb, cpumask_t *span,
+				bool milliwatts);
 void em_dev_unregister_perf_domain(struct device *dev);
 
 /**
@@ -119,6 +123,9 @@
 	struct em_perf_state *ps;
 	int i, cpu;
 
+	if (!sum_util)
+		return 0;
+
 	/*
 	 * In order to predict the performance state, map the utilization of
 	 * the most utilized CPU of the performance domain to a requested
@@ -202,7 +209,8 @@
 
 static inline
 int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
-				struct em_data_callback *cb, cpumask_t *span)
+				struct em_data_callback *cb, cpumask_t *span,
+				bool milliwatts)
 {
 	return -EINVAL;
 }
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index b98291d3..c302c5a 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -15,6 +15,7 @@
 
 #include <linux/bitmap.h>
 #include <linux/compat.h>
+#include <linux/android_kabi.h>
 #include <uapi/linux/ethtool.h>
 
 struct compat_ethtool_rx_flow_spec {
@@ -505,6 +506,11 @@
 				   const struct ethtool_tunable *, void *);
 	int	(*set_phy_tunable)(struct net_device *,
 				   const struct ethtool_tunable *, const void *);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 int ethtool_check_ops(const struct ethtool_ops *ops);
diff --git a/include/linux/export.h b/include/linux/export.h
index fceb5e8..3b25f68 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -63,12 +63,39 @@
 	int namespace_offset;
 };
 #else
+#ifdef CONFIG_CFI_CLANG
+#include <linux/compiler.h>
+/*
+ * With -fno-sanitize-cfi-canonical-jump-tables, the compiler replaces
+ * references to functions with jump table addresses. Use inline assembly
+ * to emit ksymtab entries that point to the actual function instead.
+ */
+#define ___KSYMTAB_ENTRY(sym, sec, size)				\
+	__ADDRESSABLE(sym)						\
+	asm("	.section \"___ksymtab" sec "+" #sym "\", \"a\"	\n"	\
+	    "	.balign " #size "				\n"	\
+	    "__ksymtab_" #sym ":				\n"	\
+	    "	." #size "byte	" #sym "			\n"	\
+	    "	." #size "byte	__kstrtab_" #sym "		\n"	\
+	    "	." #size "byte	__kstrtabns_" #sym "		\n"	\
+	    "	.previous					\n")
+
+#ifdef CONFIG_64BIT
+#define __KSYMTAB_ENTRY(sym, sec)	___KSYMTAB_ENTRY(sym, sec, 8)
+#else
+#define __KSYMTAB_ENTRY(sym, sec)	___KSYMTAB_ENTRY(sym, sec, 4)
+#endif
+
+#else /* !CONFIG_CFI_CLANG */
+
 #define __KSYMTAB_ENTRY(sym, sec)					\
 	static const struct kernel_symbol __ksymtab_##sym		\
 	__attribute__((section("___ksymtab" sec "+" #sym), used))	\
 	__aligned(sizeof(void *))					\
 	= { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym }
 
+#endif
+
 struct kernel_symbol {
 	unsigned long value;
 	const char *name;
@@ -118,7 +145,7 @@
  */
 #define __EXPORT_SYMBOL(sym, sec, ns)
 
-#elif defined(CONFIG_TRIM_UNUSED_KSYMS)
+#elif defined(CONFIG_TRIM_UNUSED_KSYMS) && !defined(MODULE)
 
 #include <generated/autoksyms.h>
 
@@ -140,7 +167,12 @@
 #define ___cond_export_sym(sym, sec, ns, enabled)			\
 	__cond_export_sym_##enabled(sym, sec, ns)
 #define __cond_export_sym_1(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns)
+
+#ifdef __GENKSYMS__
+#define __cond_export_sym_0(sym, sec, ns) __GENKSYMS_EXPORT_SYMBOL(sym)
+#else
 #define __cond_export_sym_0(sym, sec, ns) /* nothing */
+#endif
 
 #else
 
@@ -158,8 +190,10 @@
 #define EXPORT_SYMBOL(sym)		_EXPORT_SYMBOL(sym, "")
 #define EXPORT_SYMBOL_GPL(sym)		_EXPORT_SYMBOL(sym, "_gpl")
 #define EXPORT_SYMBOL_GPL_FUTURE(sym)	_EXPORT_SYMBOL(sym, "_gpl_future")
-#define EXPORT_SYMBOL_NS(sym, ns)	__EXPORT_SYMBOL(sym, "", #ns)
-#define EXPORT_SYMBOL_NS_GPL(sym, ns)	__EXPORT_SYMBOL(sym, "_gpl", #ns)
+#define _EXPORT_SYMBOL_NS(sym, ns)	__EXPORT_SYMBOL(sym, "", #ns)
+#define _EXPORT_SYMBOL_NS_GPL(sym, ns)	__EXPORT_SYMBOL(sym, "_gpl", #ns)
+#define EXPORT_SYMBOL_NS(sym, ns)	_EXPORT_SYMBOL_NS(sym, ns)
+#define EXPORT_SYMBOL_NS_GPL(sym, ns)	_EXPORT_SYMBOL_NS_GPL(sym, ns)
 
 #ifdef CONFIG_UNUSED_SYMBOLS
 #define EXPORT_UNUSED_SYMBOL(sym)	_EXPORT_SYMBOL(sym, "_unused")
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index a5dbb57..5dd1e52 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -34,6 +34,7 @@
 #define F2FS_ROOT_INO(sbi)	((sbi)->root_ino_num)
 #define F2FS_NODE_INO(sbi)	((sbi)->node_ino_num)
 #define F2FS_META_INO(sbi)	((sbi)->meta_ino_num)
+#define F2FS_COMPRESS_INO(sbi)	(NM_I(sbi)->max_nid)
 
 #define F2FS_MAX_QUOTAS		3
 
@@ -72,6 +73,20 @@
 	__le32 total_segments;
 } __packed;
 
+/* reason of stop_checkpoint */
+enum stop_cp_reason {
+	STOP_CP_REASON_SHUTDOWN,
+	STOP_CP_REASON_FAULT_INJECT,
+	STOP_CP_REASON_META_PAGE,
+	STOP_CP_REASON_WRITE_FAIL,
+	STOP_CP_REASON_CORRUPTED_SUMMARY,
+	STOP_CP_REASON_UPDATE_INODE,
+	STOP_CP_REASON_FLUSH_FAIL,
+	STOP_CP_REASON_MAX,
+};
+
+#define	MAX_STOP_REASON			32
+
 struct f2fs_super_block {
 	__le32 magic;			/* Magic Number */
 	__le16 major_ver;		/* Major Version */
@@ -115,7 +130,8 @@
 	__u8 hot_ext_count;		/* # of hot file extension */
 	__le16  s_encoding;		/* Filename charset encoding */
 	__le16  s_encoding_flags;	/* Filename charset encoding flags */
-	__u8 reserved[306];		/* valid reserved region */
+	__u8 s_stop_reason[MAX_STOP_REASON];	/* stop checkpoint reason */
+	__u8 reserved[274];		/* valid reserved region */
 	__le32 crc;			/* checksum of superblock */
 } __packed;
 
@@ -168,7 +184,7 @@
 	unsigned char alloc_type[MAX_ACTIVE_LOGS];
 
 	/* SIT and NAT version bitmap */
-	unsigned char sit_nat_version_bitmap[1];
+	unsigned char sit_nat_version_bitmap[];
 } __packed;
 
 #define CP_CHKSUM_OFFSET	4092	/* default chksum offset in checkpoint */
@@ -229,6 +245,7 @@
 #define F2FS_INLINE_DOTS	0x10	/* file having implicit dot dentries */
 #define F2FS_EXTRA_ATTR		0x20	/* file having extra attribute */
 #define F2FS_PIN_FILE		0x40	/* file should not be gced */
+#define F2FS_COMPRESS_RELEASED	0x80	/* file released compressed blocks */
 
 struct f2fs_inode {
 	__le16 i_mode;			/* file mode */
@@ -273,7 +290,10 @@
 			__le64 i_compr_blocks;	/* # of compressed blocks */
 			__u8 i_compress_algorithm;	/* compress algorithm */
 			__u8 i_log_cluster_size;	/* log of cluster size */
-			__le16 i_padding;		/* padding */
+			__le16 i_compress_flag;		/* compress flag */
+						/* 0 bit: chksum flag
+						 * [10,15] bits: compress level
+						 */
 			__le32 i_extra_end[0];	/* for attribute size calculation */
 		} __packed;
 		__le32 i_addr[DEF_ADDRS_PER_INODE];	/* Pointers to data blocks */
diff --git a/include/linux/fips.h b/include/linux/fips.h
index c6961e9..83f5d6f 100644
--- a/include/linux/fips.h
+++ b/include/linux/fips.h
@@ -2,7 +2,15 @@
 #ifndef _FIPS_H
 #define _FIPS_H
 
-#ifdef CONFIG_CRYPTO_FIPS
+#ifdef BUILD_FIPS140_KO
+/*
+ * In fips140.ko, enable the behavior that the upstream fips_enabled flag
+ * controls, such as the XTS weak key check.
+ */
+#define fips_enabled 1
+#define CONFIG_CRYPTO_FIPS 1
+
+#elif defined(CONFIG_CRYPTO_FIPS)
 extern int fips_enabled;
 extern struct atomic_notifier_head fips_fail_notif_chain;
 
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 2782814..181aac4 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -8,6 +8,9 @@
 #include <linux/sched.h>
 #include <linux/wait.h>
 #include <linux/atomic.h>
+#if defined(CONFIG_ARM64) && !defined(__GENKSYMS__)
+#include <linux/mmu_context.h>
+#endif
 
 #ifdef CONFIG_FREEZER
 extern atomic_t system_freezing_cnt;	/* nr of freezing conds in effect */
@@ -27,6 +30,11 @@
 	return p->flags & PF_FROZEN;
 }
 
+static inline bool frozen_or_skipped(struct task_struct *p)
+{
+	return p->flags & (PF_FROZEN | PF_FREEZER_SKIP);
+}
+
 extern bool freezing_slow_path(struct task_struct *p);
 
 /*
@@ -103,10 +111,15 @@
  * The caller shouldn't do anything which isn't allowed for a frozen task
  * until freezer_cont() is called.  Usually, freezer[_do_not]_count() pair
  * wrap a scheduling operation and nothing much else.
+ *
+ * The write to current->flags uses release semantics to prevent a concurrent
+ * freezer_should_skip() from observing this write before a write to on_rq
+ * during a prior call to activate_task(), which may cause it to return true
+ * before deactivate_task() is called.
  */
 static inline void freezer_do_not_count(void)
 {
-	current->flags |= PF_FREEZER_SKIP;
+	smp_store_release(&current->flags, current->flags | PF_FREEZER_SKIP);
 }
 
 /**
@@ -156,7 +169,19 @@
 	 * clearing %PF_FREEZER_SKIP.
 	 */
 	smp_mb();
+#ifdef CONFIG_ARM64
+	return (p->flags & PF_FREEZER_SKIP) &&
+	       (!p->on_rq || task_cpu_possible_mask(p) == cpu_possible_mask);
+#else
+	/*
+	 * On non-aarch64, avoid depending on task_cpu_possible_mask(), which is
+	 * defined in <linux/mmu_context.h>, because including that header from
+	 * here exposes a tricky bug in the tracepoint headers on x86, and that
+	 * macro would end up being defined equal to cpu_possible_mask on other
+	 * architectures anyway.
+	 */
 	return p->flags & PF_FREEZER_SKIP;
+#endif
 }
 
 /*
@@ -270,6 +295,7 @@
 
 #else /* !CONFIG_FREEZER */
 static inline bool frozen(struct task_struct *p) { return false; }
+static inline bool frozen_or_skipped(struct task_struct *p) { return false; }
 static inline bool freezing(struct task_struct *p) { return false; }
 static inline void __thaw_task(struct task_struct *t) {}
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 8231686..9844e7e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -39,9 +39,11 @@
 #include <linux/fs_types.h>
 #include <linux/build_bug.h>
 #include <linux/stddef.h>
+#include <linux/android_kabi.h>
 
 #include <asm/byteorder.h>
 #include <uapi/linux/fs.h>
+#include <linux/android_vendor.h>
 
 struct backing_dev_info;
 struct bdi_writeback;
@@ -413,6 +415,11 @@
 	int (*swap_activate)(struct swap_info_struct *sis, struct file *file,
 				sector_t *span);
 	void (*swap_deactivate)(struct file *file);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 extern const struct address_space_operations empty_aops;
@@ -468,6 +475,11 @@
 	spinlock_t		private_lock;
 	struct list_head	private_list;
 	void			*private_data;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __attribute__((aligned(sizeof(long)))) __randomize_layout;
 	/*
 	 * On most architectures that alignment is already the case; but
@@ -503,6 +515,11 @@
 	up_write(&mapping->i_mmap_rwsem);
 }
 
+static inline int i_mmap_trylock_read(struct address_space *mapping)
+{
+	return down_read_trylock(&mapping->i_mmap_rwsem);
+}
+
 static inline void i_mmap_lock_read(struct address_space *mapping)
 {
 	down_read(&mapping->i_mmap_rwsem);
@@ -718,6 +735,9 @@
 #endif
 
 	void			*i_private; /* fs or device private pointer */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode);
@@ -952,6 +972,10 @@
 	struct address_space	*f_mapping;
 	errseq_t		f_wb_err;
 	errseq_t		f_sb_err; /* for syncfs */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_OEM_DATA(1);
 } __randomize_layout
   __attribute__((aligned(4)));	/* lest something weird decides that 2 is OK */
 
@@ -1011,6 +1035,9 @@
 struct file_lock_operations {
 	void (*fl_copy_lock)(struct file_lock *, struct file_lock *);
 	void (*fl_release_private)(struct file_lock *);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct lock_manager_operations {
@@ -1022,6 +1049,9 @@
 	int (*lm_change)(struct file_lock *, int, struct list_head *);
 	void (*lm_setup)(struct file_lock *, void **);
 	bool (*lm_breaker_owns_lease)(struct file_lock *);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct lock_manager {
@@ -1095,6 +1125,10 @@
 			unsigned int	debug_id;
 		} afs;
 	} fl_u;
+
+	struct list_head android_reserved1;	/* not a macro as we might just need it as-is */
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 struct file_lock_context {
@@ -1443,8 +1477,17 @@
 	const struct xattr_handler **s_xattr;
 #ifdef CONFIG_FS_ENCRYPTION
 	const struct fscrypt_operations	*s_cop;
+#ifdef __GENKSYMS__
+	/*
+	 * Android ABI CRC preservation due to commit 391cceee6d43 ("fscrypt:
+	 * stop using keyrings subsystem for fscrypt_master_key") changing this
+	 * type.  Size is the same, this is a private field.
+	 */
+	struct key		*s_master_keys; /* master crypto keys in use */
+#else
 	struct fscrypt_keyring	*s_master_keys; /* master crypto keys in use */
 #endif
+#endif
 #ifdef CONFIG_FS_VERITY
 	const struct fsverity_operations *s_vop;
 #endif
@@ -1553,6 +1596,11 @@
 
 	spinlock_t		s_inode_wblist_lock;
 	struct list_head	s_inodes_wb;	/* writeback inodes */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 /* Helper functions so that in most cases filesystems will
@@ -1917,7 +1965,11 @@
 				   struct file *file_out, loff_t pos_out,
 				   loff_t len, unsigned int remap_flags);
 	int (*fadvise)(struct file *, loff_t, loff_t, int);
-	bool may_pollfree;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 struct inode_operations {
@@ -1948,6 +2000,11 @@
 			   umode_t create_mode);
 	int (*tmpfile) (struct inode *, struct dentry *, umode_t);
 	int (*set_acl)(struct inode *, struct posix_acl *, int);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } ____cacheline_aligned;
 
 static inline ssize_t call_read_iter(struct file *file, struct kiocb *kio,
@@ -2024,6 +2081,11 @@
 				  struct shrink_control *);
 	long (*free_cached_objects)(struct super_block *,
 				    struct shrink_control *);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /*
@@ -2313,6 +2375,11 @@
 	struct lock_class_key i_lock_key;
 	struct lock_class_key i_mutex_key;
 	struct lock_class_key i_mutex_dir_key;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME)
@@ -2589,6 +2656,7 @@
 			umode_t mode);
 extern struct file *file_open_name(struct filename *, int, umode_t);
 extern struct file *filp_open(const char *, int, umode_t);
+extern struct file *filp_open_block(const char *, int, umode_t);
 extern struct file *file_open_root(struct dentry *, struct vfsmount *,
 				   const char *, int, umode_t);
 extern struct file * dentry_open(const struct path *, int, const struct cred *);
@@ -3262,11 +3330,7 @@
 
 extern int generic_check_addressable(unsigned, u64);
 
-#ifdef CONFIG_UNICODE
-extern int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str);
-extern int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
-				const char *str, const struct qstr *name);
-#endif
+extern void generic_set_encrypted_ci_d_ops(struct dentry *dentry);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,
@@ -3295,7 +3359,7 @@
 {
 	struct inode *inode;
 
-	if (!vma->vm_file)
+	if (!IS_ENABLED(CONFIG_FS_DAX) || !vma->vm_file)
 		return false;
 	if (!vma_is_dax(vma))
 		return false;
@@ -3344,6 +3408,11 @@
 	return 0;
 }
 
+static inline rwf_t iocb_to_rw_flags(int ifl, int iocb_mask)
+{
+	return ifl & iocb_mask;
+}
+
 static inline ino_t parent_ino(struct dentry *dentry)
 {
 	ino_t res;
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index d0bc66f..380eb98 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -47,35 +47,140 @@
 #define FSCRYPT_SET_CONTEXT_MAX_SIZE	40
 
 #ifdef CONFIG_FS_ENCRYPTION
+
 /*
- * fscrypt superblock flags
+ * If set, the fscrypt bounce page pool won't be allocated (unless another
+ * filesystem needs it).  Set this if the filesystem always uses its own bounce
+ * pages for writes and therefore won't need the fscrypt bounce page pool.
  */
 #define FS_CFLG_OWN_PAGES (1U << 1)
 
-/*
- * crypto operations for filesystems
- */
+/* Crypto operations for filesystems */
 struct fscrypt_operations {
+
+	/* Set of optional flags; see above for allowed flags */
 	unsigned int flags;
+
+	/*
+	 * If set, this is a filesystem-specific key description prefix that
+	 * will be accepted for "logon" keys for v1 fscrypt policies, in
+	 * addition to the generic prefix "fscrypt:".  This functionality is
+	 * deprecated, so new filesystems shouldn't set this field.
+	 */
 	const char *key_prefix;
+
+	/*
+	 * Get the fscrypt context of the given inode.
+	 *
+	 * @inode: the inode whose context to get
+	 * @ctx: the buffer into which to get the context
+	 * @len: length of the @ctx buffer in bytes
+	 *
+	 * Return: On success, returns the length of the context in bytes; this
+	 *	   may be less than @len.  On failure, returns -ENODATA if the
+	 *	   inode doesn't have a context, -ERANGE if the context is
+	 *	   longer than @len, or another -errno code.
+	 */
 	int (*get_context)(struct inode *inode, void *ctx, size_t len);
+
+	/*
+	 * Set an fscrypt context on the given inode.
+	 *
+	 * @inode: the inode whose context to set.  The inode won't already have
+	 *	   an fscrypt context.
+	 * @ctx: the context to set
+	 * @len: length of @ctx in bytes (at most FSCRYPT_SET_CONTEXT_MAX_SIZE)
+	 * @fs_data: If called from fscrypt_set_context(), this will be the
+	 *	     value the filesystem passed to fscrypt_set_context().
+	 *	     Otherwise (i.e. when called from
+	 *	     FS_IOC_SET_ENCRYPTION_POLICY) this will be NULL.
+	 *
+	 * i_rwsem will be held for write.
+	 *
+	 * Return: 0 on success, -errno on failure.
+	 */
 	int (*set_context)(struct inode *inode, const void *ctx, size_t len,
 			   void *fs_data);
+
+	/*
+	 * Get the dummy fscrypt policy in use on the filesystem (if any).
+	 *
+	 * Filesystems only need to implement this function if they support the
+	 * test_dummy_encryption mount option.
+	 *
+	 * Return: A pointer to the dummy fscrypt policy, if the filesystem is
+	 *	   mounted with test_dummy_encryption; otherwise NULL.
+	 */
 	const union fscrypt_policy *(*get_dummy_policy)(struct super_block *sb);
+
+	/*
+	 * Check whether a directory is empty.  i_rwsem will be held for write.
+	 */
 	bool (*empty_dir)(struct inode *inode);
-	unsigned int max_namelen;
+
+	/*
+	 * Check whether the filesystem's inode numbers and UUID are stable,
+	 * meaning that they will never be changed even by offline operations
+	 * such as filesystem shrinking and therefore can be used in the
+	 * encryption without the possibility of files becoming unreadable.
+	 *
+	 * Filesystems only need to implement this function if they want to
+	 * support the FSCRYPT_POLICY_FLAG_IV_INO_LBLK_{32,64} flags.  These
+	 * flags are designed to work around the limitations of UFS and eMMC
+	 * inline crypto hardware, and they shouldn't be used in scenarios where
+	 * such hardware isn't being used.
+	 *
+	 * Leaving this NULL is equivalent to always returning false.
+	 */
 	bool (*has_stable_inodes)(struct super_block *sb);
+
+	/*
+	 * Get the number of bits that the filesystem uses to represent inode
+	 * numbers and file logical block numbers.
+	 *
+	 * By default, both of these are assumed to be 64-bit.  This function
+	 * can be implemented to declare that either or both of these numbers is
+	 * shorter, which may allow the use of the
+	 * FSCRYPT_POLICY_FLAG_IV_INO_LBLK_{32,64} flags and/or the use of
+	 * inline crypto hardware whose maximum DUN length is less than 64 bits
+	 * (e.g., eMMC v5.2 spec compliant hardware).  This function only needs
+	 * to be implemented if support for one of these features is needed.
+	 */
 	void (*get_ino_and_lblk_bits)(struct super_block *sb,
 				      int *ino_bits_ret, int *lblk_bits_ret);
+
+	/*
+	 * Return the number of block devices to which the filesystem may write
+	 * encrypted file contents.
+	 *
+	 * If the filesystem can use multiple block devices (other than block
+	 * devices that aren't used for encrypted file contents, such as
+	 * external journal devices), and wants to support inline encryption,
+	 * then it must implement this function.  Otherwise it's not needed.
+	 */
 	int (*get_num_devices)(struct super_block *sb);
+
+	/*
+	 * If ->get_num_devices() returns a value greater than 1, then this
+	 * function is called to get the array of request_queues that the
+	 * filesystem is using -- one per block device.  (There may be duplicate
+	 * entries in this array, as block devices can share a request_queue.)
+	 */
 	void (*get_devices)(struct super_block *sb,
 			    struct request_queue **devs);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
+	ANDROID_OEM_DATA_ARRAY(1, 4);
 };
 
 static inline struct fscrypt_info *fscrypt_get_info(const struct inode *inode)
 {
 	/*
-	 * Pairs with the cmpxchg_release() in fscrypt_get_encryption_info().
+	 * Pairs with the cmpxchg_release() in fscrypt_setup_encryption_info().
 	 * I.e., another task may publish ->i_crypt_info concurrently, executing
 	 * a RELEASE barrier.  We need to use smp_load_acquire() here to safely
 	 * ACQUIRE the memory the other task published.
@@ -200,7 +305,6 @@
 int fscrypt_ioctl_get_key_status(struct file *filp, void __user *arg);
 
 /* keysetup.c */
-int fscrypt_get_encryption_info(struct inode *inode);
 int fscrypt_prepare_new_inode(struct inode *dir, struct inode *inode,
 			      bool *encrypt_ret);
 void fscrypt_put_encryption_info(struct inode *inode);
@@ -242,6 +346,8 @@
 			     unsigned int flags);
 int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry,
 			     struct fscrypt_name *fname);
+int __fscrypt_prepare_readdir(struct inode *dir);
+int __fscrypt_prepare_setattr(struct dentry *dentry, struct iattr *attr);
 int fscrypt_prepare_setflags(struct inode *inode,
 			     unsigned int oldflags, unsigned int flags);
 int fscrypt_prepare_symlink(struct inode *dir, const char *target,
@@ -407,10 +513,6 @@
 }
 
 /* keysetup.c */
-static inline int fscrypt_get_encryption_info(struct inode *inode)
-{
-	return -EOPNOTSUPP;
-}
 
 static inline int fscrypt_prepare_new_inode(struct inode *dir,
 					    struct inode *inode,
@@ -538,6 +640,17 @@
 	return -EOPNOTSUPP;
 }
 
+static inline int __fscrypt_prepare_readdir(struct inode *dir)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int __fscrypt_prepare_setattr(struct dentry *dentry,
+					    struct iattr *attr)
+{
+	return -EOPNOTSUPP;
+}
+
 static inline int fscrypt_prepare_setflags(struct inode *inode,
 					   unsigned int oldflags,
 					   unsigned int flags)
@@ -608,6 +721,10 @@
 bool fscrypt_mergeable_bio_bh(struct bio *bio,
 			      const struct buffer_head *next_bh);
 
+bool fscrypt_dio_supported(struct kiocb *iocb, struct iov_iter *iter);
+
+u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks);
+
 #else /* CONFIG_FS_ENCRYPTION_INLINE_CRYPT */
 
 static inline bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode)
@@ -636,8 +753,36 @@
 {
 	return true;
 }
+
+static inline bool fscrypt_dio_supported(struct kiocb *iocb,
+					 struct iov_iter *iter)
+{
+	const struct inode *inode = file_inode(iocb->ki_filp);
+
+	return !fscrypt_needs_contents_encryption(inode);
+}
+
+static inline u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk,
+					  u64 nr_blocks)
+{
+	return nr_blocks;
+}
 #endif /* !CONFIG_FS_ENCRYPTION_INLINE_CRYPT */
 
+#if IS_ENABLED(CONFIG_FS_ENCRYPTION) && IS_ENABLED(CONFIG_DM_DEFAULT_KEY)
+static inline bool
+fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)
+{
+	return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
+}
+#else
+static inline bool
+fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)
+{
+	return false;
+}
+#endif
+
 /**
  * fscrypt_inode_uses_inline_crypto() - test whether an inode uses inline
  *					encryption
@@ -683,32 +828,6 @@
 }
 
 /**
- * fscrypt_require_key() - require an inode's encryption key
- * @inode: the inode we need the key for
- *
- * If the inode is encrypted, set up its encryption key if not already done.
- * Then require that the key be present and return -ENOKEY otherwise.
- *
- * No locks are needed, and the key will live as long as the struct inode --- so
- * it won't go away from under you.
- *
- * Return: 0 on success, -ENOKEY if the key is missing, or another -errno code
- * if a problem occurred while setting up the encryption key.
- */
-static inline int fscrypt_require_key(struct inode *inode)
-{
-	if (IS_ENCRYPTED(inode)) {
-		int err = fscrypt_get_encryption_info(inode);
-
-		if (err)
-			return err;
-		if (!fscrypt_has_encryption_key(inode))
-			return -ENOKEY;
-	}
-	return 0;
-}
-
-/**
  * fscrypt_prepare_link() - prepare to link an inode into a possibly-encrypted
  *			    directory
  * @old_dentry: an existing dentry for the inode being linked
@@ -717,8 +836,7 @@
  *
  * A new link can only be added to an encrypted directory if the directory's
  * encryption key is available --- since otherwise we'd have no way to encrypt
- * the filename.  Therefore, we first set up the directory's encryption key (if
- * not already done) and return an error if it's unavailable.
+ * the filename.
  *
  * We also verify that the link will not violate the constraint that all files
  * in an encrypted directory tree use the same encryption policy.
@@ -779,11 +897,15 @@
  *
  * Prepare for ->lookup() in a directory which may be encrypted by determining
  * the name that will actually be used to search the directory on-disk.  If the
- * directory's encryption key is available, then the lookup is assumed to be by
- * plaintext name; otherwise, it is assumed to be by no-key name.
+ * directory's encryption policy is supported by this kernel and its encryption
+ * key is available, then the lookup is assumed to be by plaintext name;
+ * otherwise, it is assumed to be by no-key name.
  *
- * This also installs a custom ->d_revalidate() method which will invalidate the
- * dentry if it was created without the key and the key is later added.
+ * This will set DCACHE_NOKEY_NAME on the dentry if the lookup is by no-key
+ * name.  In this case the filesystem must assign the dentry a dentry_operations
+ * which contains fscrypt_d_revalidate (or contains a d_revalidate method that
+ * calls fscrypt_d_revalidate), so that the dentry will be invalidated if the
+ * directory's encryption key is later added.
  *
  * Return: 0 on success; -ENOENT if the directory's key is unavailable but the
  * filename isn't a valid no-key name, so a negative dentry should be created;
@@ -804,6 +926,26 @@
 }
 
 /**
+ * fscrypt_prepare_readdir() - prepare to read a possibly-encrypted directory
+ * @dir: the directory inode
+ *
+ * If the directory is encrypted and it doesn't already have its encryption key
+ * set up, try to set it up so that the filenames will be listed in plaintext
+ * form rather than in no-key form.
+ *
+ * Return: 0 on success; -errno on error.  Note that the encryption key being
+ *	   unavailable is not considered an error.  It is also not an error if
+ *	   the encryption policy is unsupported by this kernel; that is treated
+ *	   like the key being unavailable, so that files can still be deleted.
+ */
+static inline int fscrypt_prepare_readdir(struct inode *dir)
+{
+	if (IS_ENCRYPTED(dir))
+		return __fscrypt_prepare_readdir(dir);
+	return 0;
+}
+
+/**
  * fscrypt_prepare_setattr() - prepare to change a possibly-encrypted inode's
  *			       attributes
  * @dentry: dentry through which the inode is being changed
@@ -824,8 +966,8 @@
 static inline int fscrypt_prepare_setattr(struct dentry *dentry,
 					  struct iattr *attr)
 {
-	if (attr->ia_valid & ATTR_SIZE)
-		return fscrypt_require_key(d_inode(dentry));
+	if (IS_ENCRYPTED(d_inode(dentry)))
+		return __fscrypt_prepare_setattr(dentry, attr);
 	return 0;
 }
 
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 79add91..c286ab3 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -87,6 +87,28 @@
 	if (file->f_mode & FMODE_NONOTIFY)
 		return 0;
 
+	/*
+	 * Open calls notify early on, so lower file system must be notified
+	 */
+	if (mask & FS_OPEN) {
+		if (path->dentry->d_op &&
+		    path->dentry->d_op->d_canonical_path) {
+			struct path lower_path = {};
+			int ret;
+
+			path->dentry->d_op->d_canonical_path(path, &lower_path);
+			if (IS_ERR(lower_path.dentry))
+				return PTR_ERR(lower_path.dentry);
+
+			ret = fsnotify_parent(lower_path.dentry, mask,
+					      &lower_path, FSNOTIFY_EVENT_PATH);
+			path_put(&lower_path);
+
+			if (ret)
+				return ret;
+		}
+	}
+
 	return fsnotify_parent(path->dentry, mask, path, FSNOTIFY_EVENT_PATH);
 }
 
diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h
index c1144a4..19c118e 100644
--- a/include/linux/fsverity.h
+++ b/include/linux/fsverity.h
@@ -138,6 +138,10 @@
 int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr);
 void fsverity_cleanup_inode(struct inode *inode);
 
+/* read_metadata.c */
+
+int fsverity_ioctl_read_metadata(struct file *filp, const void __user *uarg);
+
 /* verify.c */
 
 bool fsverity_verify_page(struct page *page);
@@ -183,6 +187,14 @@
 {
 }
 
+/* read_metadata.c */
+
+static inline int fsverity_ioctl_read_metadata(struct file *filp,
+					       const void __user *uarg)
+{
+	return -EOPNOTSUPP;
+}
+
 /* verify.c */
 
 static inline bool fsverity_verify_page(struct page *page)
@@ -221,4 +233,18 @@
 	return fsverity_get_info(inode) != NULL;
 }
 
+#ifdef CONFIG_FS_VERITY_BUILTIN_SIGNATURES
+int __fsverity_verify_signature(const struct inode *inode, const u8 *signature,
+				size_t sig_size, const u8 *file_digest,
+				unsigned int digest_algorithm);
+#else /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */
+static inline int __fsverity_verify_signature(const struct inode *inode,
+				const u8 *signature, size_t sig_size,
+				const u8 *file_digest,
+				unsigned int digest_algorithm)
+{
+	return 0;
+}
+#endif /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */
+
 #endif	/* _LINUX_FSVERITY_H */
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 9506f8e..57c1c79 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -10,14 +10,43 @@
 #define _LINUX_FWNODE_H_
 
 #include <linux/types.h>
+#include <linux/list.h>
+#include <linux/bits.h>
+#include <linux/err.h>
+#include <linux/android_kabi.h>
 
 struct fwnode_operations;
 struct device;
 
+/*
+ * fwnode link flags
+ *
+ * LINKS_ADDED:	The fwnode has already be parsed to add fwnode links.
+ * NOT_DEVICE:	The fwnode will never be populated as a struct device.
+ * INITIALIZED: The hardware corresponding to fwnode has been initialized.
+ */
+#define FWNODE_FLAG_LINKS_ADDED		BIT(0)
+#define FWNODE_FLAG_NOT_DEVICE		BIT(1)
+#define FWNODE_FLAG_INITIALIZED		BIT(2)
+
 struct fwnode_handle {
 	struct fwnode_handle *secondary;
 	const struct fwnode_operations *ops;
 	struct device *dev;
+	struct list_head suppliers;
+	struct list_head consumers;
+	u8 flags;
+	ANDROID_KABI_RESERVE(1);
+};
+
+struct fwnode_link {
+	struct fwnode_handle *supplier;
+	struct list_head s_hook;
+	struct fwnode_handle *consumer;
+	struct list_head c_hook;
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
 };
 
 /**
@@ -68,44 +97,8 @@
  *			       endpoint node.
  * @graph_get_port_parent: Return the parent node of a port node.
  * @graph_parse_endpoint: Parse endpoint for port and endpoint id.
- * @add_links:	Called after the device corresponding to the fwnode is added
- *		using device_add(). The function is expected to create device
- *		links to all the suppliers of the device that are available at
- *		the time this function is called.  The function must NOT stop
- *		at the first failed device link if other unlinked supplier
- *		devices are present in the system.  This is necessary for the
- *		driver/bus sync_state() callbacks to work correctly.
- *
- *		For example, say Device-C depends on suppliers Device-S1 and
- *		Device-S2 and the dependency is listed in that order in the
- *		firmware.  Say, S1 gets populated from the firmware after
- *		late_initcall_sync().  Say S2 is populated and probed way
- *		before that in device_initcall(). When C is populated, if this
- *		add_links() function doesn't continue past a "failed linking to
- *		S1" and continue linking C to S2, then S2 will get a
- *		sync_state() callback before C is probed. This is because from
- *		the perspective of S2, C was never a consumer when its
- *		sync_state() evaluation is done. To avoid this, the add_links()
- *		function has to go through all available suppliers of the
- *		device (that corresponds to this fwnode) and link to them
- *		before returning.
- *
- *		If some suppliers are not yet available (indicated by an error
- *		return value), this function will be called again when other
- *		devices are added to allow creating device links to any newly
- *		available suppliers.
- *
- *		Return 0 if device links have been successfully created to all
- *		the known suppliers of this device or if the supplier
- *		information is not known.
- *
- *		Return -ENODEV if the suppliers needed for probing this device
- *		have not been registered yet (because device links can only be
- *		created to devices registered with the driver core).
- *
- *		Return -EAGAIN if some of the suppliers of this device have not
- *		been registered yet, but none of those suppliers are necessary
- *		for probing the device.
+ * @add_links:	Create fwnode links to all the suppliers of the fwnode. Return
+ *		zero on success, a negative error code otherwise.
  */
 struct fwnode_operations {
 	struct fwnode_handle *(*get)(struct fwnode_handle *fwnode);
@@ -145,8 +138,7 @@
 	(*graph_get_port_parent)(struct fwnode_handle *fwnode);
 	int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode,
 				    struct fwnode_endpoint *endpoint);
-	int (*add_links)(const struct fwnode_handle *fwnode,
-			 struct device *dev);
+	int (*add_links)(struct fwnode_handle *fwnode);
 };
 
 #define fwnode_has_op(fwnode, op)				\
@@ -170,8 +162,29 @@
 	} while (false)
 #define get_dev_from_fwnode(fwnode)	get_device((fwnode)->dev)
 
+static inline void fwnode_init(struct fwnode_handle *fwnode,
+			       const struct fwnode_operations *ops)
+{
+	fwnode->ops = ops;
+	INIT_LIST_HEAD(&fwnode->consumers);
+	INIT_LIST_HEAD(&fwnode->suppliers);
+}
+
+static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode,
+					  bool initialized)
+{
+	if (IS_ERR_OR_NULL(fwnode))
+		return;
+
+	if (initialized)
+		fwnode->flags |= FWNODE_FLAG_INITIALIZED;
+	else
+		fwnode->flags &= ~FWNODE_FLAG_INITIALIZED;
+}
+
 extern u32 fw_devlink_get_flags(void);
-void fw_devlink_pause(void);
-void fw_devlink_resume(void);
+extern bool fw_devlink_is_strict(void);
+int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup);
+void fwnode_links_purge(struct fwnode_handle *fwnode);
 
 #endif
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 03da3f6..8935b1e 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -17,6 +17,7 @@
 #include <linux/percpu-refcount.h>
 #include <linux/uuid.h>
 #include <linux/blk_types.h>
+#include <linux/android_kabi.h>
 #include <asm/local.h>
 
 #define dev_to_disk(device)	container_of((device), struct gendisk, part0.__dev)
@@ -73,6 +74,11 @@
 	int make_it_fail;
 #endif
 	struct rcu_work rcu_work;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /**
@@ -162,6 +168,9 @@
 	unsigned char				tuple_size;
 	unsigned char				interval_exp;
 	unsigned char				tag_size;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct gendisk {
@@ -208,6 +217,12 @@
 	int node_id;
 	struct badblocks *bb;
 	struct lockdep_map lockdep_map;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
 };
 
 #if IS_REACHABLE(CONFIG_CDROM)
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index c603237..ae480a3 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -39,11 +39,31 @@
 #define ___GFP_HARDWALL		0x100000u
 #define ___GFP_THISNODE		0x200000u
 #define ___GFP_ACCOUNT		0x400000u
+#define ___GFP_ZEROTAGS		0x800000u
+#ifdef CONFIG_KASAN_HW_TAGS
+#define ___GFP_SKIP_ZERO		0x1000000u
+#define ___GFP_SKIP_KASAN_UNPOISON	0x2000000u
+#define ___GFP_SKIP_KASAN_POISON	0x4000000u
+#else
+#define ___GFP_SKIP_ZERO		0
+#define ___GFP_SKIP_KASAN_UNPOISON	0
+#define ___GFP_SKIP_KASAN_POISON	0
+#endif
+#ifdef CONFIG_CMA
+#define ___GFP_CMA		0x8000000u
+#else
+#define ___GFP_CMA		0
+#endif
 #ifdef CONFIG_LOCKDEP
-#define ___GFP_NOLOCKDEP	0x800000u
+#ifdef CONFIG_CMA
+#define ___GFP_NOLOCKDEP	0x10000000u
+#else
+#define ___GFP_NOLOCKDEP	0x8000000u
+#endif
 #else
 #define ___GFP_NOLOCKDEP	0
 #endif
+
 /* If the above are modified, __GFP_BITS_SHIFT may need updating */
 
 /*
@@ -57,6 +77,7 @@
 #define __GFP_HIGHMEM	((__force gfp_t)___GFP_HIGHMEM)
 #define __GFP_DMA32	((__force gfp_t)___GFP_DMA32)
 #define __GFP_MOVABLE	((__force gfp_t)___GFP_MOVABLE)  /* ZONE_MOVABLE allowed */
+#define __GFP_CMA	((__force gfp_t)___GFP_CMA)
 #define GFP_ZONEMASK	(__GFP_DMA|__GFP_HIGHMEM|__GFP_DMA32|__GFP_MOVABLE)
 
 /**
@@ -215,16 +236,36 @@
  * %__GFP_COMP address compound page metadata.
  *
  * %__GFP_ZERO returns a zeroed page on success.
+ *
+ * %__GFP_ZEROTAGS zeroes memory tags at allocation time if the memory itself
+ * is being zeroed (either via __GFP_ZERO or via init_on_alloc, provided that
+ * __GFP_SKIP_ZERO is not set). This flag is intended for optimization: setting
+ * memory tags at the same time as zeroing memory has minimal additional
+ * performace impact.
+ *
+ * %__GFP_SKIP_KASAN_UNPOISON makes KASAN skip unpoisoning on page allocation.
+ * Only effective in HW_TAGS mode.
+ *
+ * %__GFP_SKIP_KASAN_POISON makes KASAN skip poisoning on page deallocation.
+ * Typically, used for userspace pages. Only effective in HW_TAGS mode.
  */
 #define __GFP_NOWARN	((__force gfp_t)___GFP_NOWARN)
 #define __GFP_COMP	((__force gfp_t)___GFP_COMP)
 #define __GFP_ZERO	((__force gfp_t)___GFP_ZERO)
+#define __GFP_ZEROTAGS	((__force gfp_t)___GFP_ZEROTAGS)
+#define __GFP_SKIP_ZERO ((__force gfp_t)___GFP_SKIP_ZERO)
+#define __GFP_SKIP_KASAN_UNPOISON ((__force gfp_t)___GFP_SKIP_KASAN_UNPOISON)
+#define __GFP_SKIP_KASAN_POISON   ((__force gfp_t)___GFP_SKIP_KASAN_POISON)
 
 /* Disable lockdep for GFP context tracking */
 #define __GFP_NOLOCKDEP ((__force gfp_t)___GFP_NOLOCKDEP)
 
 /* Room for N __GFP_FOO bits */
-#define __GFP_BITS_SHIFT (23 + IS_ENABLED(CONFIG_LOCKDEP))
+#ifdef CONFIG_CMA
+#define __GFP_BITS_SHIFT (28 + IS_ENABLED(CONFIG_LOCKDEP))
+#else
+#define __GFP_BITS_SHIFT (27 + IS_ENABLED(CONFIG_LOCKDEP))
+#endif
 #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
 
 /**
@@ -305,7 +346,8 @@
 #define GFP_DMA		__GFP_DMA
 #define GFP_DMA32	__GFP_DMA32
 #define GFP_HIGHUSER	(GFP_USER | __GFP_HIGHMEM)
-#define GFP_HIGHUSER_MOVABLE	(GFP_HIGHUSER | __GFP_MOVABLE)
+#define GFP_HIGHUSER_MOVABLE	(GFP_HIGHUSER | __GFP_MOVABLE | \
+			 __GFP_SKIP_KASAN_POISON)
 #define GFP_TRANSHUGE_LIGHT	((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
 			 __GFP_NOMEMALLOC | __GFP_NOWARN) & ~__GFP_RECLAIM)
 #define GFP_TRANSHUGE	(GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM)
@@ -447,16 +489,7 @@
 	| 1 << (___GFP_MOVABLE | ___GFP_DMA32 | ___GFP_DMA | ___GFP_HIGHMEM)  \
 )
 
-static inline enum zone_type gfp_zone(gfp_t flags)
-{
-	enum zone_type z;
-	int bit = (__force int) (flags & GFP_ZONEMASK);
-
-	z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
-					 ((1 << GFP_ZONES_SHIFT) - 1);
-	VM_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
-	return z;
-}
+enum zone_type gfp_zone(gfp_t flags);
 
 /*
  * There is only one page-allocator function, and two main namespaces to
@@ -624,9 +657,24 @@
 #endif /* CONFIG_PM_SLEEP */
 
 #ifdef CONFIG_CONTIG_ALLOC
+extern unsigned long pfn_max_align_up(unsigned long pfn);
+
+#define ACR_ERR_ISOLATE	(1 << 0)
+#define ACR_ERR_MIGRATE	(1 << 1)
+#define ACR_ERR_TEST	(1 << 2)
+
+struct acr_info {
+	unsigned long nr_mapped;
+	unsigned long nr_migrated;
+	unsigned long nr_reclaimed;
+	unsigned int err;
+	unsigned long failed_pfn;
+};
+
 /* The below functions must be run on a range from a single zone. */
 extern int alloc_contig_range(unsigned long start, unsigned long end,
-			      unsigned migratetype, gfp_t gfp_mask);
+			      unsigned migratetype, gfp_t gfp_mask,
+			      struct acr_info *info);
 extern struct page *alloc_contig_pages(unsigned long nr_pages, gfp_t gfp_mask,
 				       int nid, nodemask_t *nodemask);
 #endif
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 64c93a3..c5585bc 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -10,6 +10,7 @@
 #include <linux/lockdep.h>
 #include <linux/pinctrl/pinctrl.h>
 #include <linux/pinctrl/pinconf-generic.h>
+#include <linux/android_kabi.h>
 
 struct gpio_desc;
 struct of_phandle_args;
@@ -168,18 +169,11 @@
 
 	/**
 	 * @parent_handler_data:
-	 * @parent_handler_data_array:
 	 *
 	 * Data associated, and passed to, the handler for the parent
-	 * interrupt. Can either be a single pointer if @per_parent_data
-	 * is false, or an array of @num_parents pointers otherwise.  If
-	 * @per_parent_data is true, @parent_handler_data_array cannot be
-	 * NULL.
+	 * interrupt.
 	 */
-	union {
-		void *parent_handler_data;
-		void **parent_handler_data_array;
-	};
+	void *parent_handler_data;
 
 	/**
 	 * @num_parents:
@@ -211,14 +205,6 @@
 	bool threaded;
 
 	/**
-	 * @per_parent_data:
-	 *
-	 * True if parent_handler_data_array describes a @num_parents
-	 * sized array to be used as parent data.
-	 */
-	bool per_parent_data;
-
-	/**
 	 * @init_hw: optional routine to initialize hardware before
 	 * an IRQ chip will be added. This is quite useful when
 	 * a particular driver wants to clear IRQ related registers
@@ -240,15 +226,6 @@
 				unsigned int ngpios);
 
 	/**
-	 * @initialized:
-	 *
-	 * Flag to track GPIO chip irq member's initialization.
-	 * This flag will make sure GPIO chip irq members are not used
-	 * before they are initialized.
-	 */
-	bool initialized;
-
-	/**
 	 * @valid_mask:
 	 *
 	 * If not %NULL holds bitmask of GPIOs which are valid to be included
@@ -290,6 +267,16 @@
 	 * Store old irq_chip irq_mask callback
 	 */
 	void		(*irq_mask)(struct irq_data *data);
+
+	/**
+	 * @initialized:
+	 *
+	 * Flag to track GPIO chip irq member's initialization.
+	 * This flag will make sure GPIO chip irq members are not used
+	 * before they are initialized.
+	 */
+	ANDROID_KABI_USE(1, bool initialized);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
@@ -492,19 +479,10 @@
 	 */
 	int (*of_xlate)(struct gpio_chip *gc,
 			const struct of_phandle_args *gpiospec, u32 *flags);
-
-	/**
-	 * @of_gpio_ranges_fallback:
-	 *
-	 * Optional hook for the case that no gpio-ranges property is defined
-	 * within the device tree node "np" (usually DT before introduction
-	 * of gpio-ranges). So this callback is helpful to provide the
-	 * necessary backward compatibility for the pin ranges.
-	 */
-	int (*of_gpio_ranges_fallback)(struct gpio_chip *gc,
-				       struct device_node *np);
-
 #endif /* CONFIG_OF_GPIO */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 extern const char *gpiochip_is_requested(struct gpio_chip *gc,
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 9e306bf..a47003f 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -26,6 +26,7 @@
 #include <linux/mutex.h>
 #include <linux/power_supply.h>
 #include <uapi/linux/hid.h>
+#include <linux/android_kabi.h>
 
 /*
  * We parse each description item into this structure. Short items data
@@ -624,13 +625,11 @@
 	struct list_head debug_list;
 	spinlock_t  debug_list_lock;
 	wait_queue_head_t debug_wait;
-	struct kref			ref;
 
-	unsigned int id;						/* system unique id */
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
-void hiddev_free(struct kref *ref);
-
 #define to_hid_device(pdev) \
 	container_of(pdev, struct hid_device, dev)
 
@@ -803,7 +802,6 @@
  * @raw_request: send raw report request to device (e.g. feature report)
  * @output_report: send output report to device
  * @idle: send idle request to device
- * @max_buffer_size: over-ride maximum data buffer size (default: HID_MAX_BUFFER_SIZE)
  */
 struct hid_ll_driver {
 	int (*start)(struct hid_device *hdev);
@@ -828,8 +826,6 @@
 	int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);
 
 	int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
-
-	unsigned int max_buffer_size;
 };
 
 extern struct hid_ll_driver i2c_hid_ll_driver;
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index b25df1f..f5299b5 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -232,28 +232,24 @@
 }
 #endif
 
-#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
 /**
- * __alloc_zeroed_user_highpage - Allocate a zeroed HIGHMEM page for a VMA with caller-specified movable GFP flags
- * @movableflags: The GFP flags related to the pages future ability to move like __GFP_MOVABLE
+ * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move
  * @vma: The VMA the page is to be allocated for
  * @vaddr: The virtual address the page will be inserted into
  *
- * This function will allocate a page for a VMA but the caller is expected
- * to specify via movableflags whether the page will be movable in the
- * future or not
+ * This function will allocate a page for a VMA that the caller knows will
+ * be able to migrate in the future using move_pages() or reclaimed
  *
  * An architecture may override this function by defining
- * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE and providing their own
+ * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE and providing their own
  * implementation.
  */
 static inline struct page *
-__alloc_zeroed_user_highpage(gfp_t movableflags,
-			struct vm_area_struct *vma,
-			unsigned long vaddr)
+alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
+				   unsigned long vaddr)
 {
-	struct page *page = alloc_page_vma(GFP_HIGHUSER | movableflags,
-			vma, vaddr);
+	struct page *page = alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_CMA, vma, vaddr);
 
 	if (page)
 		clear_user_highpage(page, vaddr);
@@ -262,21 +258,6 @@
 }
 #endif
 
-/**
- * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move
- * @vma: The VMA the page is to be allocated for
- * @vaddr: The virtual address the page will be inserted into
- *
- * This function will allocate a page for a VMA that the caller knows will
- * be able to migrate in the future using move_pages() or reclaimed
- */
-static inline struct page *
-alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
-					unsigned long vaddr)
-{
-	return __alloc_zeroed_user_highpage(__GFP_MOVABLE, vma, vaddr);
-}
-
 static inline void clear_highpage(struct page *page)
 {
 	void *kaddr = kmap_atomic(page);
@@ -284,6 +265,14 @@
 	kunmap_atomic(kaddr);
 }
 
+#ifndef __HAVE_ARCH_TAG_CLEAR_HIGHPAGE
+
+static inline void tag_clear_highpage(struct page *page)
+{
+}
+
+#endif
+
 static inline void zero_user_segments(struct page *page,
 	unsigned start1, unsigned end1,
 	unsigned start2, unsigned end2)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index a88be8b..9874d37 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -20,6 +20,7 @@
 #include <linux/seqlock.h>
 #include <linux/timer.h>
 #include <linux/timerqueue.h>
+#include <linux/android_kabi.h>
 
 struct hrtimer_clock_base;
 struct hrtimer_cpu_base;
@@ -124,6 +125,8 @@
 	u8				is_rel;
 	u8				is_soft;
 	u8				is_hard;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -526,9 +529,9 @@
 
 int hrtimers_prepare_cpu(unsigned int cpu);
 #ifdef CONFIG_HOTPLUG_CPU
-int hrtimers_cpu_dying(unsigned int cpu);
+int hrtimers_dead_cpu(unsigned int cpu);
 #else
-#define hrtimers_cpu_dying	NULL
+#define hrtimers_dead_cpu	NULL
 #endif
 
 #endif
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 99b73fc..05d9c1e 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -12,6 +12,7 @@
 #include <linux/kref.h>
 #include <linux/pgtable.h>
 #include <linux/gfp.h>
+#include <linux/userfaultfd_k.h>
 
 struct ctl_table;
 struct user_struct;
@@ -135,11 +136,14 @@
 unsigned long hugetlb_total_pages(void);
 vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long address, unsigned int flags);
+#ifdef CONFIG_USERFAULTFD
 int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm, pte_t *dst_pte,
 				struct vm_area_struct *dst_vma,
 				unsigned long dst_addr,
 				unsigned long src_addr,
+				enum mcopy_atomic_mode mode,
 				struct page **pagep);
+#endif /* CONFIG_USERFAULTFD */
 int hugetlb_reserve_pages(struct inode *inode, long from, long to,
 						struct vm_area_struct *vma,
 						vm_flags_t vm_flags);
@@ -153,7 +157,8 @@
 extern struct mutex *hugetlb_fault_mutex_table;
 u32 hugetlb_fault_mutex_hash(struct address_space *mapping, pgoff_t idx);
 
-pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud);
+pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma,
+		      unsigned long addr, pud_t *pud);
 
 struct address_space *hugetlb_page_mapping_lock_write(struct page *hpage);
 
@@ -162,7 +167,7 @@
 
 /* arch callbacks */
 
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long addr, unsigned long sz);
 pte_t *huge_pte_offset(struct mm_struct *mm,
 		       unsigned long addr, unsigned long sz);
@@ -188,6 +193,7 @@
 		unsigned long address, unsigned long end, pgprot_t newprot);
 
 bool is_hugetlb_entry_migration(pte_t pte);
+void hugetlb_unshare_all_pmds(struct vm_area_struct *vma);
 
 #else /* !CONFIG_HUGETLB_PAGE */
 
@@ -309,16 +315,19 @@
 	BUG();
 }
 
+#ifdef CONFIG_USERFAULTFD
 static inline int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
 						pte_t *dst_pte,
 						struct vm_area_struct *dst_vma,
 						unsigned long dst_addr,
 						unsigned long src_addr,
+						enum mcopy_atomic_mode mode,
 						struct page **pagep)
 {
 	BUG();
 	return 0;
 }
+#endif /* CONFIG_USERFAULTFD */
 
 static inline pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
 					unsigned long sz)
@@ -369,6 +378,8 @@
 	return 0;
 }
 
+static inline void hugetlb_unshare_all_pmds(struct vm_area_struct *vma) { }
+
 #endif /* !CONFIG_HUGETLB_PAGE */
 /*
  * hugepages at page global directory. If arch support
@@ -946,6 +957,16 @@
 }
 #endif
 
+bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr);
+
+#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
+/*
+ * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
+ * implement this.
+ */
+#define flush_hugetlb_tlb_range(vma, addr, end)	flush_tlb_range(vma, addr, end)
+#endif
+
 #ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
 static inline bool hugetlb_pmd_shared(pte_t *pte)
 {
diff --git a/include/linux/hugetlb_inline.h b/include/linux/hugetlb_inline.h
index 0660a03..9e25283 100644
--- a/include/linux/hugetlb_inline.h
+++ b/include/linux/hugetlb_inline.h
@@ -8,7 +8,7 @@
 
 static inline bool is_vm_hugetlb_page(struct vm_area_struct *vma)
 {
-	return !!(vma->vm_flags & VM_HUGETLB);
+	return !!(READ_ONCE(vma->vm_flags) & VM_HUGETLB);
 }
 
 #else
diff --git a/include/linux/indirect_call_wrapper.h b/include/linux/indirect_call_wrapper.h
index cfcfef3..54c02c8 100644
--- a/include/linux/indirect_call_wrapper.h
+++ b/include/linux/indirect_call_wrapper.h
@@ -60,10 +60,4 @@
 #define INDIRECT_CALL_INET(f, f2, f1, ...) f(__VA_ARGS__)
 #endif
 
-#if IS_ENABLED(CONFIG_INET)
-#define INDIRECT_CALL_INET_1(f, f1, ...) INDIRECT_CALL_1(f, f1, __VA_ARGS__)
-#else
-#define INDIRECT_CALL_INET_1(f, f1, ...) f(__VA_ARGS__)
-#endif
-
 #endif
diff --git a/include/linux/init.h b/include/linux/init.h
index 7b53cb3..e83a6cf 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -47,7 +47,7 @@
 
 /* These are for everybody (although not all archs will actually
    discard it in modules) */
-#define __init		__section(".init.text") __cold  __latent_entropy __noinitretpoline
+#define __init		__section(".init.text") __cold  __latent_entropy __noinitretpoline __nocfi
 #define __initdata	__section(".init.data")
 #define __initconst	__section(".init.rodata")
 #define __exitdata	__section(".exit.data")
@@ -184,19 +184,80 @@
  * as KEEP() in the linker script.
  */
 
+/* Format: <modname>__<counter>_<line>_<fn> */
+#define __initcall_id(fn)					\
+	__PASTE(__KBUILD_MODNAME,				\
+	__PASTE(__,						\
+	__PASTE(__COUNTER__,					\
+	__PASTE(_,						\
+	__PASTE(__LINE__,					\
+	__PASTE(_, fn))))))
+
+/* Format: __<prefix>__<iid><id> */
+#define __initcall_name(prefix, __iid, id)			\
+	__PASTE(__,						\
+	__PASTE(prefix,						\
+	__PASTE(__,						\
+	__PASTE(__iid, id))))
+
+#ifdef CONFIG_LTO_CLANG
+/*
+ * With LTO, the compiler doesn't necessarily obey link order for
+ * initcalls. In order to preserve the correct order, we add each
+ * variable into its own section and generate a linker script (in
+ * scripts/link-vmlinux.sh) to specify the order of the sections.
+ */
+#define __initcall_section(__sec, __iid)			\
+	#__sec ".init.." #__iid
+
+/*
+ * With LTO, the compiler can rename static functions to avoid
+ * global naming collisions. We use a global stub function for
+ * initcalls to create a stable symbol name whose address can be
+ * taken in inline assembly when PREL32 relocations are used.
+ */
+#define __initcall_stub(fn, __iid, id)				\
+	__initcall_name(initstub, __iid, id)
+
+#define __define_initcall_stub(__stub, fn)			\
+	int __init __cficanonical __stub(void);			\
+	int __init __cficanonical __stub(void)			\
+	{ 							\
+		return fn();					\
+	}							\
+	__ADDRESSABLE(__stub)
+#else
+#define __initcall_section(__sec, __iid)			\
+	#__sec ".init"
+
+#define __initcall_stub(fn, __iid, id)	fn
+
+#define __define_initcall_stub(__stub, fn)			\
+	__ADDRESSABLE(fn)
+#endif
+
 #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
-#define ___define_initcall(fn, id, __sec)			\
-	__ADDRESSABLE(fn)					\
-	asm(".section	\"" #__sec ".init\", \"a\"	\n"	\
-	"__initcall_" #fn #id ":			\n"	\
-	    ".long	" #fn " - .			\n"	\
+#define ____define_initcall(fn, __stub, __name, __sec)		\
+	__define_initcall_stub(__stub, fn)			\
+	asm(".section	\"" __sec "\", \"a\"		\n"	\
+	    __stringify(__name) ":			\n"	\
+	    ".long	" __stringify(__stub) " - .	\n"	\
 	    ".previous					\n");
 #else
-#define ___define_initcall(fn, id, __sec) \
-	static initcall_t __initcall_##fn##id __used \
-		__attribute__((__section__(#__sec ".init"))) = fn;
+#define ____define_initcall(fn, __unused, __name, __sec)	\
+	static initcall_t __name __used 			\
+		__attribute__((__section__(__sec))) = fn;
 #endif
 
+#define __unique_initcall(fn, id, __sec, __iid)			\
+	____define_initcall(fn,					\
+		__initcall_stub(fn, __iid, id),			\
+		__initcall_name(initcall, __iid, id),		\
+		__initcall_section(__sec, __iid))
+
+#define ___define_initcall(fn, id, __sec)			\
+	__unique_initcall(fn, id, __sec, __initcall_id(fn))
+
 #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
 
 /*
@@ -236,7 +297,7 @@
 #define __exitcall(fn)						\
 	static exitcall_t __exitcall_##fn __exit_call = fn
 
-#define console_initcall(fn)	___define_initcall(fn,, .con_initcall)
+#define console_initcall(fn)	___define_initcall(fn, con, .con_initcall)
 
 struct obs_kernel_param {
 	const char *str;
diff --git a/include/linux/input.h b/include/linux/input.h
index 56f2fd32..4d752ce 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -7,6 +7,7 @@
 
 #include <linux/time.h>
 #include <linux/list.h>
+#include <linux/android_kabi.h>
 #include <uapi/linux/input.h>
 /* Implementation details, userspace should not care about these */
 #define ABS_MT_FIRST		ABS_MT_TOUCH_MAJOR
@@ -201,6 +202,11 @@
 	bool devres_managed;
 
 	ktime_t timestamp[INPUT_CLK_MAX];
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #define to_input_dev(d) container_of(d, struct input_dev, dev)
 
@@ -320,6 +326,8 @@
 
 	struct list_head	h_list;
 	struct list_head	node;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -346,6 +354,8 @@
 
 	struct list_head	d_node;
 	struct list_head	h_node;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct input_dev __must_check *input_allocate_device(void);
@@ -550,6 +560,9 @@
 
 	int max_effects;
 	struct ff_effect *effects;
+
+	ANDROID_KABI_RESERVE(1);
+
 	struct file *effect_owners[];
 };
 
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 0652b48..6ff7d17 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -546,6 +546,12 @@
 };
 
 #define SOFTIRQ_STOP_IDLE_MASK (~(1 << RCU_SOFTIRQ))
+/* Softirq's where the handling might be long: */
+#define LONG_SOFTIRQ_MASK ((1 << NET_TX_SOFTIRQ)       | \
+			   (1 << NET_RX_SOFTIRQ)       | \
+			   (1 << BLOCK_SOFTIRQ)        | \
+			   (1 << IRQ_POLL_SOFTIRQ) | \
+			   (1 << TASKLET_SOFTIRQ))
 
 /* map softirq index to softirq name. update 'softirq_to_name' in
  * kernel/softirq.c when adding a new softirq.
@@ -581,6 +587,7 @@
 extern void raise_softirq(unsigned int nr);
 
 DECLARE_PER_CPU(struct task_struct *, ksoftirqd);
+DECLARE_PER_CPU(__u32, active_softirqs);
 
 static inline struct task_struct *this_cpu_ksoftirqd(void)
 {
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 4cde111..df71703 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -25,8 +25,6 @@
  * @tlb_flush_walk: Synchronously invalidate all intermediate TLB state
  *                  (sometimes referred to as the "walk cache") for a virtual
  *                  address range.
- * @tlb_flush_leaf: Synchronously invalidate all leaf TLB state for a virtual
- *                  address range.
  * @tlb_add_page:   Optional callback to queue up leaf TLB invalidation for a
  *                  single page.  IOMMUs that cannot batch TLB invalidation
  *                  operations efficiently will typically issue them here, but
@@ -40,8 +38,6 @@
 	void (*tlb_flush_all)(void *cookie);
 	void (*tlb_flush_walk)(unsigned long iova, size_t size, size_t granule,
 			       void *cookie);
-	void (*tlb_flush_leaf)(unsigned long iova, size_t size, size_t granule,
-			       void *cookie);
 	void (*tlb_add_page)(struct iommu_iotlb_gather *gather,
 			     unsigned long iova, size_t granule, void *cookie);
 };
@@ -72,13 +68,9 @@
 	 *	hardware which does not implement the permissions of a given
 	 *	format, and/or requires some format-specific default value.
 	 *
-	 * IO_PGTABLE_QUIRK_TLBI_ON_MAP: If the format forbids caching invalid
-	 *	(unmapped) entries but the hardware might do so anyway, perform
-	 *	TLB maintenance when mapping as well as when unmapping.
-	 *
 	 * IO_PGTABLE_QUIRK_ARM_MTK_EXT: (ARM v7s format) MediaTek IOMMUs extend
-	 *	to support up to 34 bits PA where the bit32 and bit33 are
-	 *	encoded in the bit9 and bit4 of the PTE respectively.
+	 *	to support up to 35 bits PA where the bit32, bit33 and bit34 are
+	 *	encoded in the bit9, bit4 and bit5 of the PTE respectively.
 	 *
 	 * IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs
 	 *	on unmap, for DMA domains using the flush queue mechanism for
@@ -89,7 +81,6 @@
 	 */
 	#define IO_PGTABLE_QUIRK_ARM_NS		BIT(0)
 	#define IO_PGTABLE_QUIRK_NO_PERMS	BIT(1)
-	#define IO_PGTABLE_QUIRK_TLBI_ON_MAP	BIT(2)
 	#define IO_PGTABLE_QUIRK_ARM_MTK_EXT	BIT(3)
 	#define IO_PGTABLE_QUIRK_NON_STRICT	BIT(4)
 	#define IO_PGTABLE_QUIRK_ARM_TTBR1	BIT(5)
@@ -147,7 +138,12 @@
  * struct io_pgtable_ops - Page table manipulation API for IOMMU drivers.
  *
  * @map:          Map a physically contiguous memory region.
+ * @map_pages:    Map a physically contiguous range of pages of the same size.
+ * @map_sg:       Map a scatter-gather list of physically contiguous memory
+ *                chunks. The mapped pointer argument is used to store how
+ *                many bytes are mapped.
  * @unmap:        Unmap a physically contiguous memory region.
+ * @unmap_pages:  Unmap a range of virtually contiguous pages of the same size.
  * @iova_to_phys: Translate iova to physical address.
  *
  * These functions map directly onto the iommu_ops member functions with
@@ -156,8 +152,17 @@
 struct io_pgtable_ops {
 	int (*map)(struct io_pgtable_ops *ops, unsigned long iova,
 		   phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
+	int (*map_pages)(struct io_pgtable_ops *ops, unsigned long iova,
+			 phys_addr_t paddr, size_t pgsize, size_t pgcount,
+			 int prot, gfp_t gfp, size_t *mapped);
+	int (*map_sg)(struct io_pgtable_ops *ops, unsigned long iova,
+		      struct scatterlist *sg, unsigned int nents, int prot,
+		      gfp_t gfp, size_t *mapped);
 	size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova,
 			size_t size, struct iommu_iotlb_gather *gather);
+	size_t (*unmap_pages)(struct io_pgtable_ops *ops, unsigned long iova,
+			      size_t pgsize, size_t pgcount,
+			      struct iommu_iotlb_gather *gather);
 	phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops,
 				    unsigned long iova);
 };
@@ -210,21 +215,16 @@
 
 static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop)
 {
-	iop->cfg.tlb->tlb_flush_all(iop->cookie);
+	if (iop->cfg.tlb && iop->cfg.tlb->tlb_flush_all)
+		iop->cfg.tlb->tlb_flush_all(iop->cookie);
 }
 
 static inline void
 io_pgtable_tlb_flush_walk(struct io_pgtable *iop, unsigned long iova,
 			  size_t size, size_t granule)
 {
-	iop->cfg.tlb->tlb_flush_walk(iova, size, granule, iop->cookie);
-}
-
-static inline void
-io_pgtable_tlb_flush_leaf(struct io_pgtable *iop, unsigned long iova,
-			  size_t size, size_t granule)
-{
-	iop->cfg.tlb->tlb_flush_leaf(iova, size, granule, iop->cookie);
+	if (iop->cfg.tlb && iop->cfg.tlb->tlb_flush_walk)
+		iop->cfg.tlb->tlb_flush_walk(iova, size, granule, iop->cookie);
 }
 
 static inline void
@@ -232,7 +232,7 @@
 			struct iommu_iotlb_gather * gather, unsigned long iova,
 			size_t granule)
 {
-	if (iop->cfg.tlb->tlb_add_page)
+	if (iop->cfg.tlb && iop->cfg.tlb->tlb_add_page)
 		iop->cfg.tlb->tlb_add_page(gather, iova, granule, iop->cookie);
 }
 
diff --git a/include/linux/io.h b/include/linux/io.h
index 8394c56..416b936 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -21,6 +21,8 @@
 void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
 
 #ifdef CONFIG_MMU
+void ioremap_phys_range_hook(phys_addr_t phys_addr, size_t size, pgprot_t prot);
+void iounmap_phys_range_hook(phys_addr_t phys_addr, size_t size);
 int ioremap_page_range(unsigned long addr, unsigned long end,
 		       phys_addr_t phys_addr, pgprot_t prot);
 #else
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index 649a4d7..5ae871a 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -5,6 +5,68 @@
 #include <linux/sched.h>
 #include <linux/xarray.h>
 
+#ifdef __GENKSYMS__
+/*
+ * ANDROID ABI HACK
+ *
+ * In the 5.10.162 release, the io_uring code was synced with the version
+ * that is in the 5.15.y kernel tree in order to resolve a huge number of
+ * potential, and known, problems with the codebase.  This makes for a more
+ * secure and easier-to-update-and-maintain 5.10.y kernel tree, so this is
+ * a great thing, however this caused some issues when it comes to the
+ * Android KABI preservation and checking tools.
+ *
+ * A number of the io_uring structures get used in other core kernel
+ * structures, only as "opaque" pointers, so there is not any real ABI
+ * breakage.  But, due to the visibility of the structures going away, the
+ * CRC values of many scheduler variables and functions were changed.
+ *
+ * In order to preserve the CRC values, to prevent all device kernels to be
+ * forced to rebuild for no reason whatsoever from a functional point of
+ * view, we need to keep around the "old" io_uring structures for the CRC
+ * calculation only.  This is done by the following definitions of struct
+ * io_identity and struct io_uring_task which will only be visible when the
+ * CRC calculation build happens, not in any functional kernel build.
+ *
+ * Yes, this all is a horrible hack, and these really are not the true
+ * structures that any code uses, but so life is in the world of stable
+ * apis...
+ * The real structures are in io_uring/io_uring.c, see the ones there if
+ * you need to touch or do anything with it.
+ *
+ * NEVER touch these structure definitions, they are fake and not valid code.
+ */
+struct io_identity {
+	struct files_struct		*files;
+	struct mm_struct		*mm;
+#ifdef CONFIG_BLK_CGROUP
+	struct cgroup_subsys_state	*blkcg_css;
+#endif
+	const struct cred		*creds;
+	struct nsproxy			*nsproxy;
+	struct fs_struct		*fs;
+	unsigned long			fsize;
+#ifdef CONFIG_AUDIT
+	kuid_t				loginuid;
+	unsigned int			sessionid;
+#endif
+	refcount_t			count;
+};
+
+struct io_uring_task {
+	/* submission side */
+	struct xarray		xa;
+	struct wait_queue_head	wait;
+	struct file		*last;
+	struct percpu_counter	inflight;
+	struct io_identity	__identity;
+	struct io_identity	*identity;
+	atomic_t		in_idle;
+	bool			sqpoll;
+};
+#endif	/* ANDROID ABI HACK */
+
+
 #if defined(CONFIG_IO_URING)
 struct sock *io_uring_get_socket(struct file *file);
 void __io_uring_cancel(bool cancel_all);
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 5bd3cac..baf831d0 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -9,6 +9,7 @@
 #include <linux/types.h>
 #include <linux/mm_types.h>
 #include <linux/blkdev.h>
+#include <linux/android_kabi.h>
 
 struct address_space;
 struct fiemap_extent_info;
@@ -88,6 +89,8 @@
 	void			*inline_data;
 	void			*private; /* filesystem private */
 	const struct iomap_page_ops *page_ops;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline sector_t
@@ -97,6 +100,24 @@
 }
 
 /*
+ * Returns the inline data pointer for logical offset @pos.
+ */
+static inline void *iomap_inline_data(struct iomap *iomap, loff_t pos)
+{
+	return iomap->inline_data + pos - iomap->offset;
+}
+
+/*
+ * Check if the mapping's length is within the valid range for inline data.
+ * This is used to guard against accessing data beyond the page inline_data
+ * points at.
+ */
+static inline bool iomap_inline_data_valid(struct iomap *iomap)
+{
+	return iomap->length <= PAGE_SIZE - offset_in_page(iomap->inline_data);
+}
+
+/*
  * When a filesystem sets page_ops in an iomap mapping it returns, page_prepare
  * and page_done will be called for each page written to.  This only applies to
  * buffered writes as unbuffered writes will not typically have pages
@@ -141,6 +162,9 @@
 	 */
 	int (*iomap_end)(struct inode *inode, loff_t pos, loff_t length,
 			ssize_t written, unsigned flags, struct iomap *iomap);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /*
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index e90c267..f7f6ada 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -31,6 +31,18 @@
  * if the IOMMU page table format is equivalent.
  */
 #define IOMMU_PRIV	(1 << 5)
+/*
+ * Allow caching in a transparent outer level of cache, also known as
+ * the last-level or system cache, with a read/write allocation policy.
+ * Does not depend on IOMMU_CACHE. Incompatible with IOMMU_SYS_CACHE_NWA.
+ */
+#define IOMMU_SYS_CACHE	(1 << 6)
+/*
+ * Allow caching in a transparent outer level of cache, also known as
+ * the last-level or system cache, with a read allocation policy.
+ * Does not depend on IOMMU_CACHE. Incompatible with IOMMU_SYS_CACHE.
+ */
+#define IOMMU_SYS_CACHE_NWA (1 << 7)
 
 struct iommu_ops;
 struct iommu_group;
@@ -190,7 +202,12 @@
  * @attach_dev: attach device to an iommu domain
  * @detach_dev: detach device from an iommu domain
  * @map: map a physically contiguous memory region to an iommu domain
+ * @map_pages: map a physically contiguous set of pages of the same size to
+ *             an iommu domain.
+ * @map_sg: map a scatter-gather list of physically contiguous chunks to
+ *          an iommu domain.
  * @unmap: unmap a physically contiguous memory region from an iommu domain
+ * @unmap_pages: unmap a number of pages of the same size from an iommu domain
  * @flush_iotlb_all: Synchronously flush all hardware TLBs for this domain
  * @iotlb_sync_map: Sync mappings created recently using @map to the hardware
  * @iotlb_sync: Flush all queued ranges from the hardware TLBs and empty flush
@@ -241,10 +258,20 @@
 	void (*detach_dev)(struct iommu_domain *domain, struct device *dev);
 	int (*map)(struct iommu_domain *domain, unsigned long iova,
 		   phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
+	int (*map_pages)(struct iommu_domain *domain, unsigned long iova,
+			 phys_addr_t paddr, size_t pgsize, size_t pgcount,
+			 int prot, gfp_t gfp, size_t *mapped);
+	int (*map_sg)(struct iommu_domain *domain, unsigned long iova,
+		      struct scatterlist *sg, unsigned int nents, int prot,
+		      gfp_t gfp, size_t *mapped);
 	size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
 		     size_t size, struct iommu_iotlb_gather *iotlb_gather);
+	size_t (*unmap_pages)(struct iommu_domain *domain, unsigned long iova,
+			      size_t pgsize, size_t pgcount,
+			      struct iommu_iotlb_gather *iotlb_gather);
 	void (*flush_iotlb_all)(struct iommu_domain *domain);
-	void (*iotlb_sync_map)(struct iommu_domain *domain);
+	void (*iotlb_sync_map)(struct iommu_domain *domain, unsigned long iova,
+			       size_t size);
 	void (*iotlb_sync)(struct iommu_domain *domain,
 			   struct iommu_iotlb_gather *iotlb_gather);
 	phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova);
diff --git a/include/linux/ion.h b/include/linux/ion.h
new file mode 100644
index 0000000..80c6fde
--- /dev/null
+++ b/include/linux/ion.h
@@ -0,0 +1,419 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _ION_KERNEL_H
+#define _ION_KERNEL_H
+
+#include <linux/dma-buf.h>
+#include <linux/err.h>
+#include <linux/device.h>
+#include <linux/dma-direction.h>
+#include <linux/kref.h>
+#include <linux/mm_types.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/rbtree.h>
+#include <linux/sched.h>
+#include <linux/shrinker.h>
+#include <linux/types.h>
+#include <uapi/linux/ion.h>
+
+/**
+ * struct ion_buffer - metadata for a particular buffer
+ * @list:		element in list of deferred freeable buffers
+ * @heap:		back pointer to the heap the buffer came from
+ * @flags:		buffer specific flags
+ * @private_flags:	internal buffer specific flags
+ * @size:		size of the buffer
+ * @priv_virt:		private data to the buffer representable as
+ *			a void *
+ * @lock:		protects the buffers cnt fields
+ * @kmap_cnt:		number of times the buffer is mapped to the kernel
+ * @vaddr:		the kernel mapping if kmap_cnt is not zero
+ * @sg_table:		the sg table for the buffer
+ * @attachments:	list of devices attached to this buffer
+ */
+struct ion_buffer {
+	struct list_head list;
+	struct ion_heap *heap;
+	unsigned long flags;
+	unsigned long private_flags;
+	size_t size;
+	void *priv_virt;
+	struct mutex lock;
+	int kmap_cnt;
+	void *vaddr;
+	struct sg_table *sg_table;
+	struct list_head attachments;
+};
+
+/**
+ * struct ion_heap_ops - ops to operate on a given heap
+ * @allocate:		allocate memory
+ * @free:		free memory
+ * @get_pool_size:	get pool size in pages
+ *
+ * allocate returns 0 on success, -errno on error.
+ * map_dma and map_kernel return pointer on success, ERR_PTR on
+ * error. @free will be called with ION_PRIV_FLAG_SHRINKER_FREE set in
+ * the buffer's private_flags when called from a shrinker. In that
+ * case, the pages being free'd must be truly free'd back to the
+ * system, not put in a page pool or otherwise cached.
+ */
+struct ion_heap_ops {
+	int (*allocate)(struct ion_heap *heap,
+			struct ion_buffer *buffer, unsigned long len,
+			unsigned long flags);
+	void (*free)(struct ion_buffer *buffer);
+	int (*shrink)(struct ion_heap *heap, gfp_t gfp_mask, int nr_to_scan);
+	long (*get_pool_size)(struct ion_heap *heap);
+};
+
+/**
+ * heap flags - flags between the heaps and core ion code
+ */
+#define ION_HEAP_FLAG_DEFER_FREE BIT(0)
+
+/**
+ * private flags - flags internal to ion
+ */
+/*
+ * Buffer is being freed from a shrinker function. Skip any possible
+ * heap-specific caching mechanism (e.g. page pools). Guarantees that
+ * any buffer storage that came from the system allocator will be
+ * returned to the system allocator.
+ */
+#define ION_PRIV_FLAG_SHRINKER_FREE BIT(0)
+
+/**
+ * struct ion_heap - represents a heap in the system
+ * @node:		rb node to put the heap on the device's tree of heaps
+ * @type:		type of heap
+ * @ops:		ops struct as above
+ * @buf_ops:		dma_buf ops specific to the heap implementation.
+ * @flags:		flags
+ * @id:			id of heap, also indicates priority of this heap when
+ *			allocating.  These are specified by platform data and
+ *			MUST be unique
+ * @name:		used for debugging
+ * @owner:		kernel module that implements this heap
+ * @shrinker:		a shrinker for the heap
+ * @free_list:		free list head if deferred free is used
+ * @free_list_size	size of the deferred free list in bytes
+ * @lock:		protects the free list
+ * @waitqueue:		queue to wait on from deferred free thread
+ * @task:		task struct of deferred free thread
+ * @num_of_buffers	the number of currently allocated buffers
+ * @num_of_alloc_bytes	the number of allocated bytes
+ * @alloc_bytes_wm	the number of allocated bytes watermark
+ *
+ * Represents a pool of memory from which buffers can be made.  In some
+ * systems the only heap is regular system memory allocated via vmalloc.
+ * On others, some blocks might require large physically contiguous buffers
+ * that are allocated from a specially reserved heap.
+ */
+struct ion_heap {
+	struct plist_node node;
+	enum ion_heap_type type;
+	struct ion_heap_ops *ops;
+	struct dma_buf_ops buf_ops;
+	unsigned long flags;
+	unsigned int id;
+	const char *name;
+	struct module *owner;
+
+	/* deferred free support */
+	struct shrinker shrinker;
+	struct list_head free_list;
+	size_t free_list_size;
+	spinlock_t free_lock;
+	wait_queue_head_t waitqueue;
+	struct task_struct *task;
+
+	/* heap statistics */
+	u64 num_of_buffers;
+	u64 num_of_alloc_bytes;
+	u64 alloc_bytes_wm;
+
+	/* protect heap statistics */
+	spinlock_t stat_lock;
+
+	/* heap's debugfs root */
+	struct dentry *debugfs_dir;
+};
+
+#define ion_device_add_heap(heap) __ion_device_add_heap(heap, THIS_MODULE)
+
+/**
+ * struct ion_dma_buf_attachment - hold device-table attachment data for buffer
+ * @dev:	device attached to the buffer.
+ * @table:	cached mapping.
+ * @list:	list of ion_dma_buf_attachment.
+ */
+struct ion_dma_buf_attachment {
+	struct device *dev;
+	struct sg_table *table;
+	struct list_head list;
+	bool mapped:1;
+};
+
+#ifdef CONFIG_ION
+
+/**
+ * __ion_device_add_heap - adds a heap to the ion device
+ *
+ * @heap:               the heap to add
+ *
+ * Returns 0 on success, negative error otherwise.
+ */
+int __ion_device_add_heap(struct ion_heap *heap, struct module *owner);
+
+/**
+ * ion_device_remove_heap - removes a heap from ion device
+ *
+ * @heap:		pointer to the heap to be removed
+ */
+void ion_device_remove_heap(struct ion_heap *heap);
+
+/**
+ * ion_heap_init_shrinker
+ * @heap:		the heap
+ *
+ * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag or defines the shrink op
+ * this function will be called to setup a shrinker to shrink the freelists
+ * and call the heap's shrink op.
+ */
+int ion_heap_init_shrinker(struct ion_heap *heap);
+
+/**
+ * ion_heap_init_deferred_free -- initialize deferred free functionality
+ * @heap:		the heap
+ *
+ * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag this function will
+ * be called to setup deferred frees. Calls to free the buffer will
+ * return immediately and the actual free will occur some time later
+ */
+int ion_heap_init_deferred_free(struct ion_heap *heap);
+
+/**
+ * ion_heap_freelist_add - add a buffer to the deferred free list
+ * @heap:		the heap
+ * @buffer:		the buffer
+ *
+ * Adds an item to the deferred freelist.
+ */
+void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer);
+
+/**
+ * ion_heap_freelist_drain - drain the deferred free list
+ * @heap:		the heap
+ * @size:		amount of memory to drain in bytes
+ *
+ * Drains the indicated amount of memory from the deferred freelist immediately.
+ * Returns the total amount freed.  The total freed may be higher depending
+ * on the size of the items in the list, or lower if there is insufficient
+ * total memory on the freelist.
+ */
+size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size);
+
+/**
+ * ion_heap_freelist_shrink - drain the deferred free
+ *				list, skipping any heap-specific
+ *				pooling or caching mechanisms
+ *
+ * @heap:		the heap
+ * @size:		amount of memory to drain in bytes
+ *
+ * Drains the indicated amount of memory from the deferred freelist immediately.
+ * Returns the total amount freed.  The total freed may be higher depending
+ * on the size of the items in the list, or lower if there is insufficient
+ * total memory on the freelist.
+ *
+ * Unlike with @ion_heap_freelist_drain, don't put any pages back into
+ * page pools or otherwise cache the pages. Everything must be
+ * genuinely free'd back to the system. If you're free'ing from a
+ * shrinker you probably want to use this. Note that this relies on
+ * the heap.ops.free callback honoring the ION_PRIV_FLAG_SHRINKER_FREE
+ * flag.
+ */
+size_t ion_heap_freelist_shrink(struct ion_heap *heap,
+				size_t size);
+
+/**
+ * ion_heap_freelist_size - returns the size of the freelist in bytes
+ * @heap:		the heap
+ */
+size_t ion_heap_freelist_size(struct ion_heap *heap);
+
+/**
+ * ion_heap_map_kernel - map the ion_buffer in kernel virtual address space.
+ *
+ * @heap:               the heap
+ * @buffer:             buffer to be mapped
+ *
+ * Maps the buffer using vmap(). The function respects cache flags for the
+ * buffer and creates the page table entries accordingly. Returns virtual
+ * address at the beginning of the buffer or ERR_PTR.
+ */
+void *ion_heap_map_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
+
+/**
+ * ion_heap_unmap_kernel - unmap ion_buffer
+ *
+ * @buffer:             buffer to be unmapped
+ *
+ * ION wrapper for vunmap() of the ion buffer.
+ */
+void ion_heap_unmap_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
+
+/**
+ * ion_heap_map_user - map given ion buffer in provided vma
+ *
+ * @heap:               the heap this buffer belongs to
+ * @buffer:             Ion buffer to be mapped
+ * @vma:                vma of the process where buffer should be mapped.
+ *
+ * Maps the buffer using remap_pfn_range() into specific process's vma starting
+ * with vma->vm_start. The vma size is expected to be >= ion buffer size.
+ * If not, a partial buffer mapping may be created. Returns 0 on success.
+ */
+int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
+		      struct vm_area_struct *vma);
+
+/* ion_buffer_zero - zeroes out an ion buffer respecting the ION_FLAGs.
+ *
+ * @buffer:		ion_buffer to zero
+ *
+ * Returns 0 on success, negative error otherwise.
+ */
+int ion_buffer_zero(struct ion_buffer *buffer);
+
+/**
+ * ion_buffer_prep_noncached - flush cache before non-cached mapping
+ *
+ * @buffer:		ion_buffer to flush
+ *
+ * The memory allocated by the heap could be in the CPU cache. To map
+ * this memory as non-cached, we need to flush the associated cache
+ * first. Without the flush, it is possible for stale dirty cache lines
+ * to be evicted after the ION client started writing into this buffer,
+ * leading to data corruption.
+ */
+void ion_buffer_prep_noncached(struct ion_buffer *buffer);
+
+/**
+ * ion_alloc - Allocates an ion buffer of given size from given heap
+ *
+ * @len:               size of the buffer to be allocated.
+ * @heap_id_mask:      a bitwise maks of heap ids to allocate from
+ * @flags:             ION_BUFFER_XXXX flags for the new buffer.
+ *
+ * The function exports a dma_buf object for the new ion buffer internally
+ * and returns that to the caller. So, the buffer is ready to be used by other
+ * drivers immediately. Returns ERR_PTR in case of failure.
+ */
+struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
+			  unsigned int flags);
+
+/**
+ * ion_free - Releases the ion buffer.
+ *
+ * @buffer:             ion buffer to be released
+ */
+int ion_free(struct ion_buffer *buffer);
+
+/**
+ * ion_query_heaps_kernel - Returns information about available heaps to
+ * in-kernel clients.
+ *
+ * @hdata:             pointer to array of struct ion_heap_data.
+ * @size:             size of @hdata array.
+ *
+ * Returns the number of available heaps and populates @hdata with information
+ * regarding the same. When invoked with @size as 0, the function with return
+ * the number of available heaps without modifying @hdata. When the number of
+ * available heaps is higher than @size, @size is returned instead of the
+ * actual number of available heaps.
+ */
+
+size_t ion_query_heaps_kernel(struct ion_heap_data *hdata, size_t size);
+#else
+
+static inline int __ion_device_add_heap(struct ion_heap *heap,
+				      struct module *owner)
+{
+	return -ENODEV;
+}
+
+static inline int ion_heap_init_shrinker(struct ion_heap *heap)
+{
+	return -ENODEV;
+}
+
+static inline int ion_heap_init_deferred_free(struct ion_heap *heap)
+{
+	return -ENODEV;
+}
+
+static inline void ion_heap_freelist_add(struct ion_heap *heap,
+					 struct ion_buffer *buffer) {}
+
+static inline size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size)
+{
+	return -ENODEV;
+}
+
+static inline size_t ion_heap_freelist_shrink(struct ion_heap *heap,
+					      size_t size)
+{
+	return -ENODEV;
+}
+
+static inline size_t ion_heap_freelist_size(struct ion_heap *heap)
+{
+	return -ENODEV;
+}
+
+static inline void *ion_heap_map_kernel(struct ion_heap *heap,
+					struct ion_buffer *buffer)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline void ion_heap_unmap_kernel(struct ion_heap *heap,
+					 struct ion_buffer *buffer) {}
+
+static inline int ion_heap_map_user(struct ion_heap *heap,
+				    struct ion_buffer *buffer,
+				    struct vm_area_struct *vma)
+{
+	return -ENODEV;
+}
+
+static inline int ion_buffer_zero(struct ion_buffer *buffer)
+{
+	return -EINVAL;
+}
+
+static inline void ion_buffer_prep_noncached(struct ion_buffer *buffer) {}
+
+static inline struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
+					unsigned int flags)
+{
+	return ERR_PTR(-ENOMEM);
+}
+
+static inline int ion_free(struct ion_buffer *buffer)
+{
+	return 0;
+}
+
+static inline size_t ion_query_heaps_kernel(struct ion_heap_data *hdata,
+					 size_t size)
+{
+	return 0;
+}
+#endif /* CONFIG_ION */
+#endif /* _ION_KERNEL_H */
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index f9bf374..5e01fab 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -13,6 +13,7 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <linux/bits.h>
+#include <linux/android_kabi.h>
 /*
  * Resources are tree-like, allowing
  * nesting etc..
@@ -24,6 +25,11 @@
 	unsigned long flags;
 	unsigned long desc;
 	struct resource *parent, *sibling, *child;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /*
diff --git a/include/linux/iova.h b/include/linux/iova.h
index 6c19b09..0394d44 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -95,6 +95,7 @@
 						   flush-queues */
 	atomic_t fq_timer_on;			/* 1 when timer is active, 0
 						   when not */
+	bool best_fit;
 };
 
 static inline unsigned long iova_size(struct iova *iova)
@@ -163,6 +164,7 @@
 struct iova *split_and_remove_iova(struct iova_domain *iovad,
 	struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi);
 void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad);
+void free_global_cached_iovas(struct iova_domain *iovad);
 #else
 static inline int iova_cache_get(void)
 {
@@ -270,6 +272,11 @@
 					 struct iova_domain *iovad)
 {
 }
+
+static inline void free_global_cached_iovas(struct iova_domain *iovad)
+{
+}
+
 #endif
 
 #endif
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index d758c13..9a6832e 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -3,6 +3,7 @@
 #define _IPV6_H
 
 #include <uapi/linux/ipv6.h>
+#include <linux/android_kabi.h>
 
 #define ipv6_optlen(p)  (((p)->hdrlen+1) << 3)
 #define ipv6_authlen(p) (((p)->hdrlen+2) << 2)
@@ -32,7 +33,6 @@
 	__s32		max_addresses;
 	__s32		accept_ra_defrtr;
 	__s32		accept_ra_min_hop_limit;
-	__s32		accept_ra_min_lft;
 	__s32		accept_ra_pinfo;
 	__s32		ignore_routes_with_linkdown;
 #ifdef CONFIG_IPV6_ROUTER_PREF
@@ -43,6 +43,7 @@
 	__s32		accept_ra_rt_info_max_plen;
 #endif
 #endif
+	__s32		accept_ra_rt_table;
 	__s32		proxy_ndp;
 	__s32		accept_source_route;
 	__s32		accept_ra_from_local;
@@ -78,6 +79,11 @@
 	__s32		rpl_seg_enabled;
 
 	struct ctl_table_header *sysctl_header;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct ipv6_params {
diff --git a/include/linux/irq.h b/include/linux/irq.h
index b89a8ac..f07d9f1 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -72,6 +72,7 @@
  *				  mechanism and from core side polling.
  * IRQ_DISABLE_UNLAZY		- Disable lazy irq disable
  * IRQ_HIDDEN			- Don't show up in /proc/interrupts
+ * IRQ_RAW			- Skip tick management and irqtime accounting
  */
 enum {
 	IRQ_TYPE_NONE		= 0x00000000,
@@ -99,6 +100,7 @@
 	IRQ_IS_POLLED		= (1 << 18),
 	IRQ_DISABLE_UNLAZY	= (1 << 19),
 	IRQ_HIDDEN		= (1 << 20),
+	IRQ_RAW			= (1 << 21),
 };
 
 #define IRQF_MODIFY_MASK	\
@@ -753,6 +755,9 @@
 irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle,
 				 void *data);
 
+void __irq_modify_status(unsigned int irq, unsigned long clr,
+			 unsigned long set, unsigned long mask);
+
 void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set);
 
 static inline void irq_set_status_flags(unsigned int irq, unsigned long set)
diff --git a/include/linux/irqchip/arm-gic-common.h b/include/linux/irqchip/arm-gic-common.h
index fa8c045..1177f3a 100644
--- a/include/linux/irqchip/arm-gic-common.h
+++ b/include/linux/irqchip/arm-gic-common.h
@@ -7,8 +7,7 @@
 #ifndef __LINUX_IRQCHIP_ARM_GIC_COMMON_H
 #define __LINUX_IRQCHIP_ARM_GIC_COMMON_H
 
-#include <linux/types.h>
-#include <linux/ioport.h>
+#include <linux/irqchip/arm-vgic-info.h>
 
 #define GICD_INT_DEF_PRI		0xa0
 #define GICD_INT_DEF_PRI_X4		((GICD_INT_DEF_PRI << 24) |\
@@ -16,28 +15,6 @@
 					(GICD_INT_DEF_PRI << 8) |\
 					GICD_INT_DEF_PRI)
 
-enum gic_type {
-	GIC_V2,
-	GIC_V3,
-};
-
-struct gic_kvm_info {
-	/* GIC type */
-	enum gic_type	type;
-	/* Virtual CPU interface */
-	struct resource vcpu;
-	/* Interrupt number */
-	unsigned int	maint_irq;
-	/* Virtual control interface */
-	struct resource vctrl;
-	/* vlpi support */
-	bool		has_v4;
-	/* rvpeid support */
-	bool		has_v4_1;
-};
-
-const struct gic_kvm_info *gic_get_kvm_info(void);
-
 struct irq_domain;
 struct fwnode_handle;
 int gicv2m_init(struct fwnode_handle *parent_handle,
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index f6d092f..ef67c56 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -575,67 +575,11 @@
 #define ICC_SRE_EL1_DFB			(1U << 1)
 #define ICC_SRE_EL1_SRE			(1U << 0)
 
-/*
- * Hypervisor interface registers (SRE only)
- */
-#define ICH_LR_VIRTUAL_ID_MASK		((1ULL << 32) - 1)
-
-#define ICH_LR_EOI			(1ULL << 41)
-#define ICH_LR_GROUP			(1ULL << 60)
-#define ICH_LR_HW			(1ULL << 61)
-#define ICH_LR_STATE			(3ULL << 62)
-#define ICH_LR_PENDING_BIT		(1ULL << 62)
-#define ICH_LR_ACTIVE_BIT		(1ULL << 63)
-#define ICH_LR_PHYS_ID_SHIFT		32
-#define ICH_LR_PHYS_ID_MASK		(0x3ffULL << ICH_LR_PHYS_ID_SHIFT)
-#define ICH_LR_PRIORITY_SHIFT		48
-#define ICH_LR_PRIORITY_MASK		(0xffULL << ICH_LR_PRIORITY_SHIFT)
-
 /* These are for GICv2 emulation only */
 #define GICH_LR_VIRTUALID		(0x3ffUL << 0)
 #define GICH_LR_PHYSID_CPUID_SHIFT	(10)
 #define GICH_LR_PHYSID_CPUID		(7UL << GICH_LR_PHYSID_CPUID_SHIFT)
 
-#define ICH_MISR_EOI			(1 << 0)
-#define ICH_MISR_U			(1 << 1)
-
-#define ICH_HCR_EN			(1 << 0)
-#define ICH_HCR_UIE			(1 << 1)
-#define ICH_HCR_NPIE			(1 << 3)
-#define ICH_HCR_TC			(1 << 10)
-#define ICH_HCR_TALL0			(1 << 11)
-#define ICH_HCR_TALL1			(1 << 12)
-#define ICH_HCR_EOIcount_SHIFT		27
-#define ICH_HCR_EOIcount_MASK		(0x1f << ICH_HCR_EOIcount_SHIFT)
-
-#define ICH_VMCR_ACK_CTL_SHIFT		2
-#define ICH_VMCR_ACK_CTL_MASK		(1 << ICH_VMCR_ACK_CTL_SHIFT)
-#define ICH_VMCR_FIQ_EN_SHIFT		3
-#define ICH_VMCR_FIQ_EN_MASK		(1 << ICH_VMCR_FIQ_EN_SHIFT)
-#define ICH_VMCR_CBPR_SHIFT		4
-#define ICH_VMCR_CBPR_MASK		(1 << ICH_VMCR_CBPR_SHIFT)
-#define ICH_VMCR_EOIM_SHIFT		9
-#define ICH_VMCR_EOIM_MASK		(1 << ICH_VMCR_EOIM_SHIFT)
-#define ICH_VMCR_BPR1_SHIFT		18
-#define ICH_VMCR_BPR1_MASK		(7 << ICH_VMCR_BPR1_SHIFT)
-#define ICH_VMCR_BPR0_SHIFT		21
-#define ICH_VMCR_BPR0_MASK		(7 << ICH_VMCR_BPR0_SHIFT)
-#define ICH_VMCR_PMR_SHIFT		24
-#define ICH_VMCR_PMR_MASK		(0xffUL << ICH_VMCR_PMR_SHIFT)
-#define ICH_VMCR_ENG0_SHIFT		0
-#define ICH_VMCR_ENG0_MASK		(1 << ICH_VMCR_ENG0_SHIFT)
-#define ICH_VMCR_ENG1_SHIFT		1
-#define ICH_VMCR_ENG1_MASK		(1 << ICH_VMCR_ENG1_SHIFT)
-
-#define ICH_VTR_PRI_BITS_SHIFT		29
-#define ICH_VTR_PRI_BITS_MASK		(7 << ICH_VTR_PRI_BITS_SHIFT)
-#define ICH_VTR_ID_BITS_SHIFT		23
-#define ICH_VTR_ID_BITS_MASK		(7 << ICH_VTR_ID_BITS_SHIFT)
-#define ICH_VTR_SEIS_SHIFT		22
-#define ICH_VTR_SEIS_MASK		(1 << ICH_VTR_SEIS_SHIFT)
-#define ICH_VTR_A3V_SHIFT		21
-#define ICH_VTR_A3V_MASK		(1 << ICH_VTR_A3V_SHIFT)
-
 #define ICC_IAR1_EL1_SPURIOUS		0x3ff
 
 #define ICC_SRE_EL2_SRE			(1 << 0)
@@ -693,6 +637,20 @@
 	     struct irq_domain *domain);
 int mbi_init(struct fwnode_handle *fwnode, struct irq_domain *parent);
 
+struct gic_chip_data {
+	struct fwnode_handle	*fwnode;
+	void __iomem		*dist_base;
+	struct redist_region	*redist_regions;
+	struct rdists		rdists;
+	struct irq_domain	*domain;
+	u64			redist_stride;
+	u32			nr_redist_regions;
+	u64			flags;
+	bool			has_rss;
+	unsigned int		ppi_nr;
+	struct partition_desc	**ppi_descs;
+};
+
 static inline bool gic_enable_sre(void)
 {
 	u32 val;
@@ -708,6 +666,8 @@
 	return !!(val & ICC_SRE_EL1_SRE);
 }
 
+void gic_resume(void);
+
 #endif
 
 #endif
diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h
index 6976b83..943c341 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -39,6 +39,8 @@
 	irq_hw_number_t		vpe_db_lpi;
 	/* VPE resident */
 	bool			resident;
+	/* VPT parse complete */
+	bool			ready;
 	union {
 		/* GICv4.0 implementations */
 		struct {
@@ -104,6 +106,7 @@
 	PROP_UPDATE_AND_INV_VLPI,
 	SCHEDULE_VPE,
 	DESCHEDULE_VPE,
+	COMMIT_VPE,
 	INVALL_VPE,
 	PROP_UPDATE_VSGI,
 };
@@ -129,6 +132,7 @@
 void its_free_vcpu_irqs(struct its_vm *vm);
 int its_make_vpe_resident(struct its_vpe *vpe, bool g0en, bool g1en);
 int its_make_vpe_non_resident(struct its_vpe *vpe, bool db);
+int its_commit_vpe(struct its_vpe *vpe);
 int its_invall_vpe(struct its_vpe *vpe);
 int its_map_vlpi(int irq, struct its_vlpi_map *map);
 int its_get_vlpi(int irq, struct its_vlpi_map *map);
diff --git a/include/linux/irqchip/arm-vgic-info.h b/include/linux/irqchip/arm-vgic-info.h
new file mode 100644
index 0000000..a75b2c7
--- /dev/null
+++ b/include/linux/irqchip/arm-vgic-info.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * include/linux/irqchip/arm-vgic-info.h
+ *
+ * Copyright (C) 2016 ARM Limited, All Rights Reserved.
+ */
+#ifndef __LINUX_IRQCHIP_ARM_VGIC_INFO_H
+#define __LINUX_IRQCHIP_ARM_VGIC_INFO_H
+
+#include <linux/types.h>
+#include <linux/ioport.h>
+
+enum gic_type {
+	/* Full GICv2 */
+	GIC_V2,
+	/* Full GICv3, optionally with v2 compat */
+	GIC_V3,
+};
+
+struct gic_kvm_info {
+	/* GIC type */
+	enum gic_type	type;
+	/* Virtual CPU interface */
+	struct resource vcpu;
+	/* Interrupt number */
+	unsigned int	maint_irq;
+	/* No interrupt mask, no need to use the above field */
+	bool		no_maint_irq_mask;
+	/* Virtual control interface */
+	struct resource vctrl;
+	/* vlpi support */
+	bool		has_v4;
+	/* rvpeid support */
+	bool		has_v4_1;
+	/* Deactivation impared, subpar stuff */
+	bool		no_hw_deactivation;
+};
+
+#ifdef CONFIG_KVM
+void vgic_set_kvm_info(const struct gic_kvm_info *info);
+#else
+static inline void vgic_set_kvm_info(const struct gic_kvm_info *info) {}
+#endif
+
+#endif
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 9b9743f..1d62f24 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -35,6 +35,7 @@
 #include <linux/of.h>
 #include <linux/mutex.h>
 #include <linux/radix-tree.h>
+#include <linux/android_kabi.h>
 
 struct device_node;
 struct irq_domain;
@@ -178,6 +179,11 @@
 	struct dentry		*debugfs_file;
 #endif
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
 	/* reverse map data. The linear map gets appended to the irq_domain */
 	irq_hw_number_t hwirq_max;
 	unsigned int revmap_direct_max_irq;
@@ -256,7 +262,11 @@
 }
 
 void irq_domain_free_fwnode(struct fwnode_handle *fwnode);
+#ifdef __GENKSYMS__	/* Android KABI hack to preserve CRC checker */
+struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
+#else
 struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, unsigned int size,
+#endif
 				    irq_hw_number_t hwirq_max, int direct_max,
 				    const struct irq_domain_ops *ops,
 				    void *host_data);
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index e67ee4d..e203fdb 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -113,7 +113,7 @@
 #endif	/* CONFIG_JUMP_LABEL */
 #endif /* __ASSEMBLY__ */
 
-#ifdef CONFIG_JUMP_LABEL
+#if defined(CONFIG_JUMP_LABEL) && !defined(BUILD_FIPS140_KO)
 #include <asm/jump_label.h>
 
 #ifndef __ASSEMBLY__
@@ -188,7 +188,28 @@
 
 struct module;
 
-#ifdef CONFIG_JUMP_LABEL
+#ifdef BUILD_FIPS140_KO
+
+static inline int static_key_count(struct static_key *key)
+{
+	return atomic_read(&key->enabled);
+}
+
+static __always_inline bool static_key_false(struct static_key *key)
+{
+	if (unlikely(static_key_count(key) > 0))
+		return true;
+	return false;
+}
+
+static __always_inline bool static_key_true(struct static_key *key)
+{
+	if (likely(static_key_count(key) > 0))
+		return true;
+	return false;
+}
+
+#elif defined(CONFIG_JUMP_LABEL)
 
 #define JUMP_TYPE_FALSE		0UL
 #define JUMP_TYPE_TRUE		1UL
@@ -393,7 +414,7 @@
 	static_key_count((struct static_key *)x) > 0;				\
 })
 
-#ifdef CONFIG_JUMP_LABEL
+#if defined(CONFIG_JUMP_LABEL) && !defined(BUILD_FIPS140_KO)
 
 /*
  * Combine the right initial value (type) with the right branch order
diff --git a/include/linux/kasan-checks.h b/include/linux/kasan-checks.h
index ac6aba6..3d6d22a 100644
--- a/include/linux/kasan-checks.h
+++ b/include/linux/kasan-checks.h
@@ -5,11 +5,17 @@
 #include <linux/types.h>
 
 /*
+ * The annotations present in this file are only relevant for the software
+ * KASAN modes that rely on compiler instrumentation, and will be optimized
+ * away for the hardware tag-based KASAN mode. Use kasan_check_byte() instead.
+ */
+
+/*
  * __kasan_check_*: Always available when KASAN is enabled. This may be used
  * even in compilation units that selectively disable KASAN, but must use KASAN
  * to validate access to an address.   Never use these in header files!
  */
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 bool __kasan_check_read(const volatile void *p, unsigned int size);
 bool __kasan_check_write(const volatile void *p, unsigned int size);
 #else
diff --git a/include/linux/kasan-tags.h b/include/linux/kasan-tags.h
new file mode 100644
index 0000000..4f85f56
--- /dev/null
+++ b/include/linux/kasan-tags.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_KASAN_TAGS_H
+#define _LINUX_KASAN_TAGS_H
+
+#define KASAN_TAG_KERNEL	0xFF /* native kernel pointers tag */
+#define KASAN_TAG_INVALID	0xFE /* inaccessible memory tag */
+#define KASAN_TAG_MAX		0xFD /* maximum value for random tags */
+
+#ifdef CONFIG_KASAN_HW_TAGS
+#define KASAN_TAG_MIN		0xF0 /* minimum value for random tags */
+#else
+#define KASAN_TAG_MIN		0x00 /* minimum value for random tags */
+#endif
+
+#endif /* LINUX_KASAN_TAGS_H */
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index c0b976d..90c54ed 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -2,6 +2,9 @@
 #ifndef _LINUX_KASAN_H
 #define _LINUX_KASAN_H
 
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/static_key.h>
 #include <linux/types.h>
 
 struct kmem_cache;
@@ -11,17 +14,37 @@
 
 #ifdef CONFIG_KASAN
 
-#include <linux/pgtable.h>
+#include <linux/linkage.h>
 #include <asm/kasan.h>
 
-/* kasan_data struct is used in KUnit tests for KASAN expected failures */
-struct kunit_kasan_expectation {
-	bool report_expected;
-	bool report_found;
-};
+#endif
+
+typedef unsigned int __bitwise kasan_vmalloc_flags_t;
+
+#define KASAN_VMALLOC_NONE		((__force kasan_vmalloc_flags_t)0x00u)
+#define KASAN_VMALLOC_INIT		((__force kasan_vmalloc_flags_t)0x01u)
+#define KASAN_VMALLOC_VM_ALLOC		((__force kasan_vmalloc_flags_t)0x02u)
+#define KASAN_VMALLOC_PROT_NORMAL	((__force kasan_vmalloc_flags_t)0x04u)
+
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+
+#include <linux/pgtable.h>
+
+/* Software KASAN implementations use shadow memory. */
+
+#ifdef CONFIG_KASAN_SW_TAGS
+/* This matches KASAN_TAG_INVALID. */
+#define KASAN_SHADOW_INIT 0xFE
+#else
+#define KASAN_SHADOW_INIT 0
+#endif
+
+#ifndef PTE_HWTABLE_PTRS
+#define PTE_HWTABLE_PTRS 0
+#endif
 
 extern unsigned char kasan_early_shadow_page[PAGE_SIZE];
-extern pte_t kasan_early_shadow_pte[PTRS_PER_PTE];
+extern pte_t kasan_early_shadow_pte[PTRS_PER_PTE + PTE_HWTABLE_PTRS];
 extern pmd_t kasan_early_shadow_pmd[PTRS_PER_PMD];
 extern pud_t kasan_early_shadow_pud[PTRS_PER_PUD];
 extern p4d_t kasan_early_shadow_p4d[MAX_PTRS_PER_P4D];
@@ -35,88 +58,255 @@
 		+ KASAN_SHADOW_OFFSET;
 }
 
+int kasan_add_zero_shadow(void *start, unsigned long size);
+void kasan_remove_zero_shadow(void *start, unsigned long size);
+
 /* Enable reporting bugs after kasan_disable_current() */
 extern void kasan_enable_current(void);
 
 /* Disable reporting bugs for current task */
 extern void kasan_disable_current(void);
 
-void kasan_unpoison_shadow(const void *address, size_t size);
+#else /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
 
-void kasan_unpoison_task_stack(struct task_struct *task);
+static inline int kasan_add_zero_shadow(void *start, unsigned long size)
+{
+	return 0;
+}
+static inline void kasan_remove_zero_shadow(void *start,
+					unsigned long size)
+{}
 
-void kasan_alloc_pages(struct page *page, unsigned int order);
-void kasan_free_pages(struct page *page, unsigned int order);
+static inline void kasan_enable_current(void) {}
+static inline void kasan_disable_current(void) {}
 
-void kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
-			slab_flags_t *flags);
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
 
-void kasan_poison_slab(struct page *page);
-void kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
-void kasan_poison_object_data(struct kmem_cache *cache, void *object);
-void * __must_check kasan_init_slab_obj(struct kmem_cache *cache,
-					const void *object);
+#ifdef CONFIG_KASAN_HW_TAGS
 
-void * __must_check kasan_kmalloc_large(const void *ptr, size_t size,
-						gfp_t flags);
-void kasan_kfree_large(void *ptr, unsigned long ip);
-void kasan_poison_kfree(void *ptr, unsigned long ip);
-void * __must_check kasan_kmalloc(struct kmem_cache *s, const void *object,
-					size_t size, gfp_t flags);
-void * __must_check kasan_krealloc(const void *object, size_t new_size,
-					gfp_t flags);
+DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled);
 
-void * __must_check kasan_slab_alloc(struct kmem_cache *s, void *object,
-					gfp_t flags);
-bool kasan_slab_free(struct kmem_cache *s, void *object, unsigned long ip);
+static __always_inline bool kasan_enabled(void)
+{
+	return static_branch_likely(&kasan_flag_enabled);
+}
+
+static inline bool kasan_hw_tags_enabled(void)
+{
+	return kasan_enabled();
+}
+
+#else /* CONFIG_KASAN_HW_TAGS */
+
+static inline bool kasan_enabled(void)
+{
+	return IS_ENABLED(CONFIG_KASAN);
+}
+
+static inline bool kasan_hw_tags_enabled(void)
+{
+	return false;
+}
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+static inline bool kasan_has_integrated_init(void)
+{
+	return kasan_hw_tags_enabled();
+}
+
+#ifdef CONFIG_KASAN
 
 struct kasan_cache {
 	int alloc_meta_offset;
 	int free_meta_offset;
+	bool is_kmalloc;
 };
 
-/*
- * These functions provide a special case to support backing module
- * allocations with real shadow memory. With KASAN vmalloc, the special
- * case is unnecessary, as the work is handled in the generic case.
- */
-#ifndef CONFIG_KASAN_VMALLOC
-int kasan_module_alloc(void *addr, size_t size);
-void kasan_free_shadow(const struct vm_struct *vm);
-#else
-static inline int kasan_module_alloc(void *addr, size_t size) { return 0; }
-static inline void kasan_free_shadow(const struct vm_struct *vm) {}
-#endif
-
-int kasan_add_zero_shadow(void *start, unsigned long size);
-void kasan_remove_zero_shadow(void *start, unsigned long size);
-
-size_t __ksize(const void *);
-static inline void kasan_unpoison_slab(const void *ptr)
+slab_flags_t __kasan_never_merge(void);
+static __always_inline slab_flags_t kasan_never_merge(void)
 {
-	kasan_unpoison_shadow(ptr, __ksize(ptr));
+	if (kasan_enabled())
+		return __kasan_never_merge();
+	return 0;
 }
-size_t kasan_metadata_size(struct kmem_cache *cache);
+
+void __kasan_unpoison_range(const void *addr, size_t size);
+static __always_inline void kasan_unpoison_range(const void *addr, size_t size)
+{
+	if (kasan_enabled())
+		__kasan_unpoison_range(addr, size);
+}
+
+void __kasan_poison_pages(struct page *page, unsigned int order, bool init);
+static __always_inline void kasan_poison_pages(struct page *page,
+						unsigned int order, bool init)
+{
+	if (kasan_enabled())
+		__kasan_poison_pages(page, order, init);
+}
+
+void __kasan_unpoison_pages(struct page *page, unsigned int order, bool init);
+static __always_inline void kasan_unpoison_pages(struct page *page,
+						 unsigned int order, bool init)
+{
+	if (kasan_enabled())
+		__kasan_unpoison_pages(page, order, init);
+}
+
+void __kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
+				slab_flags_t *flags);
+static __always_inline void kasan_cache_create(struct kmem_cache *cache,
+				unsigned int *size, slab_flags_t *flags)
+{
+	if (kasan_enabled())
+		__kasan_cache_create(cache, size, flags);
+}
+
+void __kasan_cache_create_kmalloc(struct kmem_cache *cache);
+static __always_inline void kasan_cache_create_kmalloc(struct kmem_cache *cache)
+{
+	if (kasan_enabled())
+		__kasan_cache_create_kmalloc(cache);
+}
+
+size_t __kasan_metadata_size(struct kmem_cache *cache);
+static __always_inline size_t kasan_metadata_size(struct kmem_cache *cache)
+{
+	if (kasan_enabled())
+		return __kasan_metadata_size(cache);
+	return 0;
+}
+
+void __kasan_poison_slab(struct page *page);
+static __always_inline void kasan_poison_slab(struct page *page)
+{
+	if (kasan_enabled())
+		__kasan_poison_slab(page);
+}
+
+void __kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
+static __always_inline void kasan_unpoison_object_data(struct kmem_cache *cache,
+							void *object)
+{
+	if (kasan_enabled())
+		__kasan_unpoison_object_data(cache, object);
+}
+
+void __kasan_poison_object_data(struct kmem_cache *cache, void *object);
+static __always_inline void kasan_poison_object_data(struct kmem_cache *cache,
+							void *object)
+{
+	if (kasan_enabled())
+		__kasan_poison_object_data(cache, object);
+}
+
+void * __must_check __kasan_init_slab_obj(struct kmem_cache *cache,
+					  const void *object);
+static __always_inline void * __must_check kasan_init_slab_obj(
+				struct kmem_cache *cache, const void *object)
+{
+	if (kasan_enabled())
+		return __kasan_init_slab_obj(cache, object);
+	return (void *)object;
+}
+
+bool __kasan_slab_free(struct kmem_cache *s, void *object,
+			unsigned long ip, bool init);
+static __always_inline bool kasan_slab_free(struct kmem_cache *s,
+						void *object, bool init)
+{
+	if (kasan_enabled())
+		return __kasan_slab_free(s, object, _RET_IP_, init);
+	return false;
+}
+
+void __kasan_kfree_large(void *ptr, unsigned long ip);
+static __always_inline void kasan_kfree_large(void *ptr)
+{
+	if (kasan_enabled())
+		__kasan_kfree_large(ptr, _RET_IP_);
+}
+
+void __kasan_slab_free_mempool(void *ptr, unsigned long ip);
+static __always_inline void kasan_slab_free_mempool(void *ptr)
+{
+	if (kasan_enabled())
+		__kasan_slab_free_mempool(ptr, _RET_IP_);
+}
+
+void * __must_check __kasan_slab_alloc(struct kmem_cache *s,
+				       void *object, gfp_t flags, bool init);
+static __always_inline void * __must_check kasan_slab_alloc(
+		struct kmem_cache *s, void *object, gfp_t flags, bool init)
+{
+	if (kasan_enabled())
+		return __kasan_slab_alloc(s, object, flags, init);
+	return object;
+}
+
+void * __must_check __kasan_kmalloc(struct kmem_cache *s, const void *object,
+				    size_t size, gfp_t flags);
+static __always_inline void * __must_check kasan_kmalloc(struct kmem_cache *s,
+				const void *object, size_t size, gfp_t flags)
+{
+	if (kasan_enabled())
+		return __kasan_kmalloc(s, object, size, flags);
+	return (void *)object;
+}
+
+void * __must_check __kasan_kmalloc_large(const void *ptr,
+					  size_t size, gfp_t flags);
+static __always_inline void * __must_check kasan_kmalloc_large(const void *ptr,
+						      size_t size, gfp_t flags)
+{
+	if (kasan_enabled())
+		return __kasan_kmalloc_large(ptr, size, flags);
+	return (void *)ptr;
+}
+
+void * __must_check __kasan_krealloc(const void *object,
+				     size_t new_size, gfp_t flags);
+static __always_inline void * __must_check kasan_krealloc(const void *object,
+						 size_t new_size, gfp_t flags)
+{
+	if (kasan_enabled())
+		return __kasan_krealloc(object, new_size, flags);
+	return (void *)object;
+}
+
+/*
+ * Unlike kasan_check_read/write(), kasan_check_byte() is performed even for
+ * the hardware tag-based mode that doesn't rely on compiler instrumentation.
+ */
+bool __kasan_check_byte(const void *addr, unsigned long ip);
+static __always_inline bool kasan_check_byte(const void *addr)
+{
+	if (kasan_enabled())
+		return __kasan_check_byte(addr, _RET_IP_);
+	return true;
+}
+
 
 bool kasan_save_enable_multi_shot(void);
 void kasan_restore_multi_shot(bool enabled);
 
 #else /* CONFIG_KASAN */
 
-static inline void kasan_unpoison_shadow(const void *address, size_t size) {}
-
-static inline void kasan_unpoison_task_stack(struct task_struct *task) {}
-
-static inline void kasan_enable_current(void) {}
-static inline void kasan_disable_current(void) {}
-
-static inline void kasan_alloc_pages(struct page *page, unsigned int order) {}
-static inline void kasan_free_pages(struct page *page, unsigned int order) {}
-
+static inline slab_flags_t kasan_never_merge(void)
+{
+	return 0;
+}
+static inline void kasan_unpoison_range(const void *address, size_t size) {}
+static inline void kasan_poison_pages(struct page *page, unsigned int order,
+				      bool init) {}
+static inline void kasan_unpoison_pages(struct page *page, unsigned int order,
+					bool init) {}
 static inline void kasan_cache_create(struct kmem_cache *cache,
 				      unsigned int *size,
 				      slab_flags_t *flags) {}
-
+static inline void kasan_cache_create_kmalloc(struct kmem_cache *cache) {}
+static inline size_t kasan_metadata_size(struct kmem_cache *cache) { return 0; }
 static inline void kasan_poison_slab(struct page *page) {}
 static inline void kasan_unpoison_object_data(struct kmem_cache *cache,
 					void *object) {}
@@ -127,117 +317,193 @@
 {
 	return (void *)object;
 }
-
-static inline void *kasan_kmalloc_large(void *ptr, size_t size, gfp_t flags)
+static inline bool kasan_slab_free(struct kmem_cache *s, void *object, bool init)
 {
-	return ptr;
+	return false;
 }
-static inline void kasan_kfree_large(void *ptr, unsigned long ip) {}
-static inline void kasan_poison_kfree(void *ptr, unsigned long ip) {}
+static inline void kasan_kfree_large(void *ptr) {}
+static inline void kasan_slab_free_mempool(void *ptr) {}
+static inline void *kasan_slab_alloc(struct kmem_cache *s, void *object,
+				   gfp_t flags, bool init)
+{
+	return object;
+}
 static inline void *kasan_kmalloc(struct kmem_cache *s, const void *object,
 				size_t size, gfp_t flags)
 {
 	return (void *)object;
 }
+static inline void *kasan_kmalloc_large(const void *ptr, size_t size, gfp_t flags)
+{
+	return (void *)ptr;
+}
 static inline void *kasan_krealloc(const void *object, size_t new_size,
 				 gfp_t flags)
 {
 	return (void *)object;
 }
-
-static inline void *kasan_slab_alloc(struct kmem_cache *s, void *object,
-				   gfp_t flags)
+static inline bool kasan_check_byte(const void *address)
 {
-	return object;
+	return true;
 }
-static inline bool kasan_slab_free(struct kmem_cache *s, void *object,
-				   unsigned long ip)
-{
-	return false;
-}
-
-static inline int kasan_module_alloc(void *addr, size_t size) { return 0; }
-static inline void kasan_free_shadow(const struct vm_struct *vm) {}
-
-static inline int kasan_add_zero_shadow(void *start, unsigned long size)
-{
-	return 0;
-}
-static inline void kasan_remove_zero_shadow(void *start,
-					unsigned long size)
-{}
-
-static inline void kasan_unpoison_slab(const void *ptr) { }
-static inline size_t kasan_metadata_size(struct kmem_cache *cache) { return 0; }
 
 #endif /* CONFIG_KASAN */
 
-#ifdef CONFIG_KASAN_GENERIC
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
+void kasan_unpoison_task_stack(struct task_struct *task);
+#else
+static inline void kasan_unpoison_task_stack(struct task_struct *task) {}
+#endif
 
-#define KASAN_SHADOW_INIT 0
+#ifdef CONFIG_KASAN_GENERIC
 
 void kasan_cache_shrink(struct kmem_cache *cache);
 void kasan_cache_shutdown(struct kmem_cache *cache);
 void kasan_record_aux_stack(void *ptr);
+void kasan_record_aux_stack_noalloc(void *ptr);
 
 #else /* CONFIG_KASAN_GENERIC */
 
 static inline void kasan_cache_shrink(struct kmem_cache *cache) {}
 static inline void kasan_cache_shutdown(struct kmem_cache *cache) {}
 static inline void kasan_record_aux_stack(void *ptr) {}
+static inline void kasan_record_aux_stack_noalloc(void *ptr) {}
 
 #endif /* CONFIG_KASAN_GENERIC */
 
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
 
-#define KASAN_SHADOW_INIT 0xFF
+static inline void *kasan_reset_tag(const void *addr)
+{
+	return (void *)arch_kasan_reset_tag(addr);
+}
 
-void kasan_init_tags(void);
-
-void *kasan_reset_tag(const void *addr);
-
+/**
+ * kasan_report - print a report about a bad memory access detected by KASAN
+ * @addr: address of the bad access
+ * @size: size of the bad access
+ * @is_write: whether the bad access is a write or a read
+ * @ip: instruction pointer for the accessibility check or the bad access itself
+ */
 bool kasan_report(unsigned long addr, size_t size,
 		bool is_write, unsigned long ip);
 
-#else /* CONFIG_KASAN_SW_TAGS */
-
-static inline void kasan_init_tags(void) { }
+#else /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
 
 static inline void *kasan_reset_tag(const void *addr)
 {
 	return (void *)addr;
 }
 
-#endif /* CONFIG_KASAN_SW_TAGS */
+#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS*/
+
+#ifdef CONFIG_KASAN_HW_TAGS
+
+void kasan_report_async(void);
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+#ifdef CONFIG_KASAN_SW_TAGS
+void __init kasan_init_sw_tags(void);
+#else
+static inline void kasan_init_sw_tags(void) { }
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+void kasan_init_hw_tags_cpu(void);
+void __init kasan_init_hw_tags(void);
+#else
+static inline void kasan_init_hw_tags_cpu(void) { }
+static inline void kasan_init_hw_tags(void) { }
+#endif
 
 #ifdef CONFIG_KASAN_VMALLOC
+
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+
 int kasan_populate_vmalloc(unsigned long addr, unsigned long size);
-void kasan_poison_vmalloc(const void *start, unsigned long size);
-void kasan_unpoison_vmalloc(const void *start, unsigned long size);
 void kasan_release_vmalloc(unsigned long start, unsigned long end,
 			   unsigned long free_region_start,
 			   unsigned long free_region_end);
-#else
+
+#else /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
+
 static inline int kasan_populate_vmalloc(unsigned long start,
 					unsigned long size)
 {
 	return 0;
 }
-
-static inline void kasan_poison_vmalloc(const void *start, unsigned long size)
-{ }
-static inline void kasan_unpoison_vmalloc(const void *start, unsigned long size)
-{ }
 static inline void kasan_release_vmalloc(unsigned long start,
 					 unsigned long end,
 					 unsigned long free_region_start,
-					 unsigned long free_region_end) {}
-#endif
+					 unsigned long free_region_end) { }
 
-#ifdef CONFIG_KASAN
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
+
+void *__kasan_unpoison_vmalloc(const void *start, unsigned long size,
+			       kasan_vmalloc_flags_t flags);
+static __always_inline void *kasan_unpoison_vmalloc(const void *start,
+						unsigned long size,
+						kasan_vmalloc_flags_t flags)
+{
+	if (kasan_enabled())
+		return __kasan_unpoison_vmalloc(start, size, flags);
+	return (void *)start;
+}
+
+void __kasan_poison_vmalloc(const void *start, unsigned long size);
+static __always_inline void kasan_poison_vmalloc(const void *start,
+						 unsigned long size)
+{
+	if (kasan_enabled())
+		__kasan_poison_vmalloc(start, size);
+}
+
+#else /* CONFIG_KASAN_VMALLOC */
+
+static inline int kasan_populate_vmalloc(unsigned long start,
+					unsigned long size)
+{
+	return 0;
+}
+static inline void kasan_release_vmalloc(unsigned long start,
+					 unsigned long end,
+					 unsigned long free_region_start,
+					 unsigned long free_region_end) { }
+
+static inline void *kasan_unpoison_vmalloc(const void *start,
+					   unsigned long size,
+					   kasan_vmalloc_flags_t flags)
+{
+	return (void *)start;
+}
+static inline void kasan_poison_vmalloc(const void *start, unsigned long size)
+{ }
+
+#endif /* CONFIG_KASAN_VMALLOC */
+
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+		!defined(CONFIG_KASAN_VMALLOC)
+
+/*
+ * These functions allocate and free shadow memory for kernel modules.
+ * They are only required when KASAN_VMALLOC is not supported, as otherwise
+ * shadow memory is allocated by the generic vmalloc handlers.
+ */
+int kasan_alloc_module_shadow(void *addr, size_t size, gfp_t gfp_mask);
+void kasan_free_module_shadow(const struct vm_struct *vm);
+
+#else /* (CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS) && !CONFIG_KASAN_VMALLOC */
+
+static inline int kasan_alloc_module_shadow(void *addr, size_t size, gfp_t gfp_mask) { return 0; }
+static inline void kasan_free_module_shadow(const struct vm_struct *vm) {}
+
+#endif /* (CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS) && !CONFIG_KASAN_VMALLOC */
+
+#ifdef CONFIG_KASAN_INLINE
 void kasan_non_canonical_hook(unsigned long addr);
-#else /* CONFIG_KASAN */
+#else /* CONFIG_KASAN_INLINE */
 static inline void kasan_non_canonical_hook(unsigned long addr) { }
-#endif /* CONFIG_KASAN */
+#endif /* CONFIG_KASAN_INLINE */
 
 #endif /* LINUX_KASAN_H */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index cdd6ed5..d9373fe 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -491,7 +491,11 @@
 	return buf;
 }
 
+#ifdef __GENKSYMS__
+extern int hex_to_bin(char ch);
+#else
 extern int hex_to_bin(unsigned char ch);
+#endif
 extern int __must_check hex2bin(u8 *dst, const char *src, size_t count);
 extern char *bin2hex(char *dst, const void *src, size_t count);
 
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 89f6a42..4434979 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -16,6 +16,7 @@
 #include <linux/atomic.h>
 #include <linux/uidgid.h>
 #include <linux/wait.h>
+#include <linux/android_kabi.h>
 
 struct file;
 struct dentry;
@@ -156,6 +157,8 @@
 	unsigned short		flags;
 	umode_t			mode;
 	struct kernfs_iattrs	*iattr;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
@@ -175,6 +178,11 @@
 		      const char *new_name);
 	int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
 			 struct kernfs_root *root);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct kernfs_root {
@@ -192,6 +200,8 @@
 	struct list_head	supers;
 
 	wait_queue_head_t	deactivate_waitq;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct kernfs_open_file {
@@ -212,6 +222,8 @@
 	bool			mmapped:1;
 	bool			released:1;
 	const struct vm_operations_struct *vm_ops;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct kernfs_ops {
@@ -268,6 +280,9 @@
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 	struct lock_class_key	lockdep_key;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /*
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 3c1deba..ccb0d06 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -344,6 +344,8 @@
 extern int kernel_kexec(void);
 extern struct page *kimage_alloc_control_pages(struct kimage *image,
 						unsigned int order);
+int machine_kexec_post_load(struct kimage *image);
+
 extern void __crash_kexec(struct pt_regs *);
 extern void crash_kexec(struct pt_regs *);
 int kexec_should_crash(struct task_struct *);
diff --git a/include/linux/key-type.h b/include/linux/key-type.h
index 7de851a..9285c7c 100644
--- a/include/linux/key-type.h
+++ b/include/linux/key-type.h
@@ -10,6 +10,7 @@
 
 #include <linux/key.h>
 #include <linux/errno.h>
+#include <linux/android_kabi.h>
 
 #ifdef CONFIG_KEYS
 
@@ -156,6 +157,9 @@
 	int (*asym_verify_signature)(struct kernel_pkey_params *params,
 				     const void *in, const void *in2);
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
 	/* internal fields */
 	struct list_head	link;		/* link in types list */
 	struct lock_class_key	lock_class;	/* key->sem lock class */
diff --git a/include/linux/keyslot-manager.h b/include/linux/keyslot-manager.h
index 18f3f53..2eb44e2 100644
--- a/include/linux/keyslot-manager.h
+++ b/include/linux/keyslot-manager.h
@@ -9,6 +9,15 @@
 #include <linux/bio.h>
 #include <linux/blk-crypto.h>
 
+/* Inline crypto feature bits.  Must set at least one. */
+enum {
+	/* Support for standard software-specified keys */
+	BLK_CRYPTO_FEATURE_STANDARD_KEYS = BIT(0),
+
+	/* Support for hardware-wrapped keys */
+	BLK_CRYPTO_FEATURE_WRAPPED_KEYS = BIT(1),
+};
+
 struct blk_keyslot_manager;
 
 /**
@@ -19,6 +28,9 @@
  *			The key is provided so that e.g. dm layers can evict
  *			keys from the devices that they map over.
  *			Returns 0 on success, -errno otherwise.
+ * @derive_raw_secret:	(Optional) Derive a software secret from a
+ *			hardware-wrapped key.  Returns 0 on success, -EOPNOTSUPP
+ *			if unsupported on the hardware, or another -errno code.
  *
  * This structure should be provided by storage device drivers when they set up
  * a keyslot manager - this structure holds the function ptrs that the keyslot
@@ -31,6 +43,10 @@
 	int (*keyslot_evict)(struct blk_keyslot_manager *ksm,
 			     const struct blk_crypto_key *key,
 			     unsigned int slot);
+	int (*derive_raw_secret)(struct blk_keyslot_manager *ksm,
+				 const u8 *wrapped_key,
+				 unsigned int wrapped_key_size,
+				 u8 *secret, unsigned int secret_size);
 };
 
 struct blk_keyslot_manager {
@@ -48,6 +64,12 @@
 	unsigned int max_dun_bytes_supported;
 
 	/*
+	 * The supported features as a bitmask of BLK_CRYPTO_FEATURE_* flags.
+	 * Most drivers should set BLK_CRYPTO_FEATURE_STANDARD_KEYS here.
+	 */
+	unsigned int features;
+
+	/*
 	 * Array of size BLK_ENCRYPTION_MODE_MAX of bitmasks that represents
 	 * whether a crypto mode and data unit size are supported. The i'th
 	 * bit of crypto_mode_supported[crypto_mode] is set iff a data unit
@@ -85,6 +107,9 @@
 
 int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots);
 
+int devm_blk_ksm_init(struct device *dev, struct blk_keyslot_manager *ksm,
+		      unsigned int num_slots);
+
 blk_status_t blk_ksm_get_slot_for_key(struct blk_keyslot_manager *ksm,
 				      const struct blk_crypto_key *key,
 				      struct blk_ksm_keyslot **slot_ptr);
@@ -103,4 +128,20 @@
 
 void blk_ksm_destroy(struct blk_keyslot_manager *ksm);
 
+int blk_ksm_derive_raw_secret(struct blk_keyslot_manager *ksm,
+			      const u8 *wrapped_key,
+			      unsigned int wrapped_key_size,
+			      u8 *secret, unsigned int secret_size);
+
+void blk_ksm_intersect_modes(struct blk_keyslot_manager *parent,
+			     const struct blk_keyslot_manager *child);
+
+void blk_ksm_init_passthrough(struct blk_keyslot_manager *ksm);
+
+bool blk_ksm_is_superset(struct blk_keyslot_manager *ksm_superset,
+			 struct blk_keyslot_manager *ksm_subset);
+
+void blk_ksm_update_capabilities(struct blk_keyslot_manager *target_ksm,
+				 struct blk_keyslot_manager *reference_ksm);
+
 #endif /* __LINUX_KEYSLOT_MANAGER_H */
diff --git a/include/linux/kfence.h b/include/linux/kfence.h
new file mode 100644
index 0000000..3fe6dd8
--- /dev/null
+++ b/include/linux/kfence.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Kernel Electric-Fence (KFENCE). Public interface for allocator and fault
+ * handler integration. For more info see Documentation/dev-tools/kfence.rst.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef _LINUX_KFENCE_H
+#define _LINUX_KFENCE_H
+
+#include <linux/mm.h>
+#include <linux/types.h>
+
+#ifdef CONFIG_KFENCE
+
+/*
+ * We allocate an even number of pages, as it simplifies calculations to map
+ * address to metadata indices; effectively, the very first page serves as an
+ * extended guard page, but otherwise has no special purpose.
+ */
+#define KFENCE_POOL_SIZE ((CONFIG_KFENCE_NUM_OBJECTS + 1) * 2 * PAGE_SIZE)
+extern char *__kfence_pool;
+
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+#include <linux/static_key.h>
+DECLARE_STATIC_KEY_FALSE(kfence_allocation_key);
+#else
+#include <linux/atomic.h>
+extern atomic_t kfence_allocation_gate;
+#endif
+
+/**
+ * is_kfence_address() - check if an address belongs to KFENCE pool
+ * @addr: address to check
+ *
+ * Return: true or false depending on whether the address is within the KFENCE
+ * object range.
+ *
+ * KFENCE objects live in a separate page range and are not to be intermixed
+ * with regular heap objects (e.g. KFENCE objects must never be added to the
+ * allocator freelists). Failing to do so may and will result in heap
+ * corruptions, therefore is_kfence_address() must be used to check whether
+ * an object requires specific handling.
+ *
+ * Note: This function may be used in fast-paths, and is performance critical.
+ * Future changes should take this into account; for instance, we want to avoid
+ * introducing another load and therefore need to keep KFENCE_POOL_SIZE a
+ * constant (until immediate patching support is added to the kernel).
+ */
+static __always_inline bool is_kfence_address(const void *addr)
+{
+	/*
+	 * The __kfence_pool != NULL check is required to deal with the case
+	 * where __kfence_pool == NULL && addr < KFENCE_POOL_SIZE. Keep it in
+	 * the slow-path after the range-check!
+	 */
+	return unlikely((unsigned long)((char *)addr - __kfence_pool) < KFENCE_POOL_SIZE && __kfence_pool);
+}
+
+/**
+ * kfence_alloc_pool() - allocate the KFENCE pool via memblock
+ */
+void __init kfence_alloc_pool(void);
+
+/**
+ * kfence_init() - perform KFENCE initialization at boot time
+ *
+ * Requires that kfence_alloc_pool() was called before. This sets up the
+ * allocation gate timer, and requires that workqueues are available.
+ */
+void __init kfence_init(void);
+
+/**
+ * kfence_shutdown_cache() - handle shutdown_cache() for KFENCE objects
+ * @s: cache being shut down
+ *
+ * Before shutting down a cache, one must ensure there are no remaining objects
+ * allocated from it. Because KFENCE objects are not referenced from the cache
+ * directly, we need to check them here.
+ *
+ * Note that shutdown_cache() is internal to SL*B, and kmem_cache_destroy() does
+ * not return if allocated objects still exist: it prints an error message and
+ * simply aborts destruction of a cache, leaking memory.
+ *
+ * If the only such objects are KFENCE objects, we will not leak the entire
+ * cache, but instead try to provide more useful debug info by making allocated
+ * objects "zombie allocations". Objects may then still be used or freed (which
+ * is handled gracefully), but usage will result in showing KFENCE error reports
+ * which include stack traces to the user of the object, the original allocation
+ * site, and caller to shutdown_cache().
+ */
+void kfence_shutdown_cache(struct kmem_cache *s);
+
+/*
+ * Allocate a KFENCE object. Allocators must not call this function directly,
+ * use kfence_alloc() instead.
+ */
+void *__kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags);
+
+/**
+ * kfence_alloc() - allocate a KFENCE object with a low probability
+ * @s:     struct kmem_cache with object requirements
+ * @size:  exact size of the object to allocate (can be less than @s->size
+ *         e.g. for kmalloc caches)
+ * @flags: GFP flags
+ *
+ * Return:
+ * * NULL     - must proceed with allocating as usual,
+ * * non-NULL - pointer to a KFENCE object.
+ *
+ * kfence_alloc() should be inserted into the heap allocation fast path,
+ * allowing it to transparently return KFENCE-allocated objects with a low
+ * probability using a static branch (the probability is controlled by the
+ * kfence.sample_interval boot parameter).
+ */
+static __always_inline void *kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags)
+{
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+	if (static_branch_unlikely(&kfence_allocation_key))
+#else
+	if (unlikely(!atomic_read(&kfence_allocation_gate)))
+#endif
+		return __kfence_alloc(s, size, flags);
+	return NULL;
+}
+
+/**
+ * kfence_ksize() - get actual amount of memory allocated for a KFENCE object
+ * @addr: pointer to a heap object
+ *
+ * Return:
+ * * 0     - not a KFENCE object, must call __ksize() instead,
+ * * non-0 - this many bytes can be accessed without causing a memory error.
+ *
+ * kfence_ksize() returns the number of bytes requested for a KFENCE object at
+ * allocation time. This number may be less than the object size of the
+ * corresponding struct kmem_cache.
+ */
+size_t kfence_ksize(const void *addr);
+
+/**
+ * kfence_object_start() - find the beginning of a KFENCE object
+ * @addr: address within a KFENCE-allocated object
+ *
+ * Return: address of the beginning of the object.
+ *
+ * SL[AU]B-allocated objects are laid out within a page one by one, so it is
+ * easy to calculate the beginning of an object given a pointer inside it and
+ * the object size. The same is not true for KFENCE, which places a single
+ * object at either end of the page. This helper function is used to find the
+ * beginning of a KFENCE-allocated object.
+ */
+void *kfence_object_start(const void *addr);
+
+/**
+ * __kfence_free() - release a KFENCE heap object to KFENCE pool
+ * @addr: object to be freed
+ *
+ * Requires: is_kfence_address(addr)
+ *
+ * Release a KFENCE object and mark it as freed.
+ */
+void __kfence_free(void *addr);
+
+/**
+ * kfence_free() - try to release an arbitrary heap object to KFENCE pool
+ * @addr: object to be freed
+ *
+ * Return:
+ * * false - object doesn't belong to KFENCE pool and was ignored,
+ * * true  - object was released to KFENCE pool.
+ *
+ * Release a KFENCE object and mark it as freed. May be called on any object,
+ * even non-KFENCE objects, to simplify integration of the hooks into the
+ * allocator's free codepath. The allocator must check the return value to
+ * determine if it was a KFENCE object or not.
+ */
+static __always_inline __must_check bool kfence_free(void *addr)
+{
+	if (!is_kfence_address(addr))
+		return false;
+	__kfence_free(addr);
+	return true;
+}
+
+/**
+ * kfence_handle_page_fault() - perform page fault handling for KFENCE pages
+ * @addr: faulting address
+ * @is_write: is access a write
+ * @regs: current struct pt_regs (can be NULL, but shows full stack trace)
+ *
+ * Return:
+ * * false - address outside KFENCE pool,
+ * * true  - page fault handled by KFENCE, no additional handling required.
+ *
+ * A page fault inside KFENCE pool indicates a memory error, such as an
+ * out-of-bounds access, a use-after-free or an invalid memory access. In these
+ * cases KFENCE prints an error message and marks the offending page as
+ * present, so that the kernel can proceed.
+ */
+bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write, struct pt_regs *regs);
+
+#else /* CONFIG_KFENCE */
+
+static inline bool is_kfence_address(const void *addr) { return false; }
+static inline void kfence_alloc_pool(void) { }
+static inline void kfence_init(void) { }
+static inline void kfence_shutdown_cache(struct kmem_cache *s) { }
+static inline void *kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags) { return NULL; }
+static inline size_t kfence_ksize(const void *addr) { return 0; }
+static inline void *kfence_object_start(const void *addr) { return NULL; }
+static inline void __kfence_free(void *addr) { }
+static inline bool __must_check kfence_free(void *addr) { return false; }
+static inline bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write,
+							 struct pt_regs *regs)
+{
+	return false;
+}
+
+#endif
+
+#endif /* _LINUX_KFENCE_H */
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index ea30529..e6d8e1b 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -27,6 +27,7 @@
 #include <linux/atomic.h>
 #include <linux/workqueue.h>
 #include <linux/uidgid.h>
+#include <linux/android_kabi.h>
 
 #define UEVENT_HELPER_PATH_LEN		256
 #define UEVENT_NUM_ENVP			64	/* number of env pointers */
@@ -77,6 +78,11 @@
 	unsigned int state_add_uevent_sent:1;
 	unsigned int state_remove_uevent_sent:1;
 	unsigned int uevent_suppress:1;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 extern __printf(2, 3)
@@ -143,6 +149,11 @@
 	const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj);
 	const void *(*namespace)(struct kobject *kobj);
 	void (*get_ownership)(struct kobject *kobj, kuid_t *uid, kgid_t *gid);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct kobj_uevent_env {
@@ -194,6 +205,11 @@
 	spinlock_t list_lock;
 	struct kobject kobj;
 	const struct kset_uevent_ops *uevent_ops;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 extern void kset_init(struct kset *kset);
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 2484ed9..44a6013 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -54,6 +54,31 @@
 	__k;								   \
 })
 
+/**
+ * kthread_run_on_cpu - create and wake a cpu bound thread.
+ * @threadfn: the function to run until signal_pending(current).
+ * @data: data ptr for @threadfn.
+ * @cpu: The cpu on which the thread should be bound,
+ * @namefmt: printf-style name for the thread. Format is restricted
+ *	     to "name.*%u". Code fills in cpu number.
+ *
+ * Description: Convenient wrapper for kthread_create_on_cpu()
+ * followed by wake_up_process().  Returns the kthread or
+ * ERR_PTR(-ENOMEM).
+ */
+static inline struct task_struct *
+kthread_run_on_cpu(int (*threadfn)(void *data), void *data,
+			unsigned int cpu, const char *namefmt)
+{
+	struct task_struct *p;
+
+	p = kthread_create_on_cpu(threadfn, data, cpu, namefmt);
+	if (!IS_ERR(p))
+		wake_up_process(p);
+
+	return p;
+}
+
 void free_kthread_struct(struct task_struct *k);
 void kthread_bind(struct task_struct *k, unsigned int cpu);
 void kthread_bind_mask(struct task_struct *k, const struct cpumask *mask);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 9cb0a3d7..ac6915a 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -754,7 +754,6 @@
 void kvm_release_pfn_dirty(kvm_pfn_t pfn);
 void kvm_set_pfn_dirty(kvm_pfn_t pfn);
 void kvm_set_pfn_accessed(kvm_pfn_t pfn);
-void kvm_get_pfn(kvm_pfn_t pfn);
 
 void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache);
 int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
@@ -1053,7 +1052,6 @@
 
 bool kvm_is_reserved_pfn(kvm_pfn_t pfn);
 bool kvm_is_zone_device_pfn(kvm_pfn_t pfn);
-bool kvm_is_transparent_hugepage(kvm_pfn_t pfn);
 
 struct kvm_irq_ack_notifier {
 	struct hlist_node link;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 1ceec83..642800a 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -863,7 +863,7 @@
 
 	struct mutex		scsi_scan_mutex;
 	struct delayed_work	hotplug_task;
-	struct work_struct	scsi_rescan_task;
+	struct delayed_work	scsi_rescan_task;
 
 	unsigned int		hsm_task_state;
 
diff --git a/include/linux/log_mmiorw.h b/include/linux/log_mmiorw.h
new file mode 100644
index 0000000..a7cc101
--- /dev/null
+++ b/include/linux/log_mmiorw.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+#ifndef __LOG_MMIORW_H__
+#define __LOG_MMIORW_H__
+
+#include <linux/types.h>
+#include <linux/atomic.h>
+#include <linux/tracepoint-defs.h>
+
+/*
+ * TODO - io.h is included in NVHE files and these tracepoints are getting
+ * enabled for NVHE too. To avoid these tracepoints enabling in NHVE below
+ * condition is introduced.
+ * !(defined(__DISABLE_TRACE_MMIO__))
+ */
+#if IS_ENABLED(CONFIG_TRACE_MMIO_ACCESS) && !(defined(__DISABLE_TRACE_MMIO__))
+DECLARE_TRACEPOINT(rwmmio_write);
+DECLARE_TRACEPOINT(rwmmio_read);
+DECLARE_TRACEPOINT(rwmmio_post_read);
+
+void __log_write_mmio(u64 val, u8 width, volatile void __iomem *addr);
+void __log_read_mmio(u8 width, const volatile void __iomem *addr);
+void __log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr);
+
+#define log_write_mmio(val, width, addr)		\
+do {							\
+	if (tracepoint_enabled(rwmmio_write))		\
+		__log_write_mmio(val, width, addr);	\
+} while (0)
+
+#define log_read_mmio(width, addr)			\
+do {							\
+	if (tracepoint_enabled(rwmmio_read))		\
+		__log_read_mmio(width, addr);		\
+} while (0)
+
+#define log_post_read_mmio(val, width, addr)		\
+do {							\
+	if (tracepoint_enabled(rwmmio_post_read))	\
+		__log_post_read_mmio(val, width, addr);	\
+} while (0)
+
+#else
+static inline void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr)
+{ }
+static inline void log_read_mmio(u8 width, const volatile void __iomem *addr)
+{ }
+static inline void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr)
+{ }
+#endif /* CONFIG_TRACE_MMIO_ACCESS */
+
+#endif /* __LOG_MMIORW_H__  */
diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h
index 28f23b3..91d6990 100644
--- a/include/linux/lsm_audit.h
+++ b/include/linux/lsm_audit.h
@@ -74,7 +74,6 @@
 #define LSM_AUDIT_DATA_FILE	12
 #define LSM_AUDIT_DATA_IBPKEY	13
 #define LSM_AUDIT_DATA_IBENDPORT 14
-#define LSM_AUDIT_DATA_LOCKDOWN 15
 #define LSM_AUDIT_DATA_NOTIFICATION 16
 	union 	{
 		struct path path;
@@ -95,7 +94,6 @@
 		struct file *file;
 		struct lsm_ibpkey_audit *ibpkey;
 		struct lsm_ibendport_audit *ibendport;
-		int reason;
 	} u;
 	/* this union contains LSM specific data */
 	union {
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 693ed9c..dfc8ca17 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -113,6 +113,8 @@
 LSM_HOOK(int, 0, inode_init_security, struct inode *inode,
 	 struct inode *dir, const struct qstr *qstr, const char **name,
 	 void **value, size_t *len)
+LSM_HOOK(int, 0, inode_init_security_anon, struct inode *inode,
+	 const struct qstr *name, const struct inode *context_inode)
 LSM_HOOK(int, 0, inode_create, struct inode *dir, struct dentry *dentry,
 	 umode_t mode)
 LSM_HOOK(int, 0, inode_link, struct dentry *old_dentry, struct inode *dir,
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 64cdf4d7..613928e8a 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -233,6 +233,15 @@
  *	Returns 0 if @name and @value have been successfully set,
  *	-EOPNOTSUPP if no security attribute is needed, or
  *	-ENOMEM on memory allocation failure.
+ * @inode_init_security_anon:
+ *      Set up the incore security field for the new anonymous inode
+ *      and return whether the inode creation is permitted by the security
+ *      module or not.
+ *      @inode contains the inode structure
+ *      @name name of the anonymous inode class
+ *      @context_inode optional related inode
+ *	Returns 0 on success, -EACCES if the security module denies the
+ *	creation of this inode, or another -errno upon other errors.
  * @inode_create:
  *	Check permission to create a regular file.
  *	@dir contains inode structure of the parent of the new file.
diff --git a/include/linux/mailbox_controller.h b/include/linux/mailbox_controller.h
index 6fee33c..36d6ce6 100644
--- a/include/linux/mailbox_controller.h
+++ b/include/linux/mailbox_controller.h
@@ -83,7 +83,6 @@
 				      const struct of_phandle_args *sp);
 	/* Internal to API */
 	struct hrtimer poll_hrt;
-	spinlock_t poll_hrt_lock;
 	struct list_head node;
 };
 
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 3baea2e..3306d99 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -371,7 +371,7 @@
 /* Flags for memblock allocation APIs */
 #define MEMBLOCK_ALLOC_ANYWHERE	(~(phys_addr_t)0)
 #define MEMBLOCK_ALLOC_ACCESSIBLE	0
-#define MEMBLOCK_ALLOC_KASAN		1
+#define MEMBLOCK_ALLOC_NOLEAKTRACE	1
 
 /* We are using top down, so it is safe to use 0 here */
 #define MEMBLOCK_LOW_LIMIT 0
@@ -404,13 +404,13 @@
 			     phys_addr_t min_addr, phys_addr_t max_addr,
 			     int nid);
 
-static inline void * __init memblock_alloc(phys_addr_t size,  phys_addr_t align)
+static __always_inline void *memblock_alloc(phys_addr_t size, phys_addr_t align)
 {
 	return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
 				      MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE);
 }
 
-static inline void * __init memblock_alloc_raw(phys_addr_t size,
+static inline void *memblock_alloc_raw(phys_addr_t size,
 					       phys_addr_t align)
 {
 	return memblock_alloc_try_nid_raw(size, align, MEMBLOCK_LOW_LIMIT,
@@ -418,7 +418,7 @@
 					  NUMA_NO_NODE);
 }
 
-static inline void * __init memblock_alloc_from(phys_addr_t size,
+static inline void *memblock_alloc_from(phys_addr_t size,
 						phys_addr_t align,
 						phys_addr_t min_addr)
 {
@@ -426,33 +426,33 @@
 				      MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE);
 }
 
-static inline void * __init memblock_alloc_low(phys_addr_t size,
+static inline void *memblock_alloc_low(phys_addr_t size,
 					       phys_addr_t align)
 {
 	return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
 				      ARCH_LOW_ADDRESS_LIMIT, NUMA_NO_NODE);
 }
 
-static inline void * __init memblock_alloc_node(phys_addr_t size,
+static inline void *memblock_alloc_node(phys_addr_t size,
 						phys_addr_t align, int nid)
 {
 	return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
 				      MEMBLOCK_ALLOC_ACCESSIBLE, nid);
 }
 
-static inline void __init memblock_free_early(phys_addr_t base,
+static inline void memblock_free_early(phys_addr_t base,
 					      phys_addr_t size)
 {
 	memblock_free(base, size);
 }
 
-static inline void __init memblock_free_early_nid(phys_addr_t base,
+static inline void memblock_free_early_nid(phys_addr_t base,
 						  phys_addr_t size, int nid)
 {
 	memblock_free(base, size);
 }
 
-static inline void __init memblock_free_late(phys_addr_t base, phys_addr_t size)
+static inline void memblock_free_late(phys_addr_t base, phys_addr_t size)
 {
 	__memblock_free_late(base, size);
 }
@@ -460,7 +460,7 @@
 /*
  * Set the allocation direction to bottom-up or top-down.
  */
-static inline void __init memblock_set_bottom_up(bool enable)
+static inline __init_memblock void memblock_set_bottom_up(bool enable)
 {
 	memblock.bottom_up = enable;
 }
@@ -470,7 +470,7 @@
  * if this is true, that said, memblock will allocate memory
  * in bottom-up direction.
  */
-static inline bool memblock_bottom_up(void)
+static inline __init_memblock bool memblock_bottom_up(void)
 {
 	return memblock.bottom_up;
 }
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 1f467fb..531cb39 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -332,6 +332,12 @@
 	struct deferred_split deferred_split_queue;
 #endif
 
+#ifdef CONFIG_LRU_GEN
+	/* per-memcg mm_struct list */
+	struct lru_gen_mm_list mm_list;
+#endif
+
+	ANDROID_OEM_DATA(1);
 	struct mem_cgroup_per_node *nodeinfo[0];
 	/* WARNING: nodeinfo must be the last member here */
 };
@@ -442,10 +448,31 @@
 		page_counter_read(&memcg->memory);
 }
 
-int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask);
+int __mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+			gfp_t gfp_mask);
+static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+				    gfp_t gfp_mask)
+{
+	if (mem_cgroup_disabled())
+		return 0;
+	return __mem_cgroup_charge(page, mm, gfp_mask);
+}
 
-void mem_cgroup_uncharge(struct page *page);
-void mem_cgroup_uncharge_list(struct list_head *page_list);
+void __mem_cgroup_uncharge(struct page *page);
+static inline void mem_cgroup_uncharge(struct page *page)
+{
+	if (mem_cgroup_disabled())
+		return;
+	__mem_cgroup_uncharge(page);
+}
+
+void __mem_cgroup_uncharge_list(struct list_head *page_list);
+static inline void mem_cgroup_uncharge_list(struct list_head *page_list)
+{
+	if (mem_cgroup_disabled())
+		return;
+	__mem_cgroup_uncharge_list(page_list);
+}
 
 void mem_cgroup_migrate(struct page *oldpage, struct page *newpage);
 
@@ -713,6 +740,23 @@
 
 void __mod_memcg_state(struct mem_cgroup *memcg, int idx, int val);
 
+/* try to stablize page_memcg() for all the pages in a memcg */
+static inline bool mem_cgroup_trylock_pages(struct mem_cgroup *memcg)
+{
+	rcu_read_lock();
+
+	if (mem_cgroup_disabled() || !atomic_read(&memcg->moving_account))
+		return true;
+
+	rcu_read_unlock();
+	return false;
+}
+
+static inline void mem_cgroup_unlock_pages(void)
+{
+	rcu_read_unlock();
+}
+
 /* idx can be of type enum memcg_stat_item or node_stat_item */
 static inline void mod_memcg_state(struct mem_cgroup *memcg,
 				   int idx, int val)
@@ -1131,6 +1175,18 @@
 {
 }
 
+static inline bool mem_cgroup_trylock_pages(struct mem_cgroup *memcg)
+{
+	/* to match page_memcg_rcu() */
+	rcu_read_lock();
+	return true;
+}
+
+static inline void mem_cgroup_unlock_pages(void)
+{
+	rcu_read_unlock();
+}
+
 static inline void mem_cgroup_handle_over_high(void)
 {
 }
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 1dafc7c..892c26a 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -314,6 +314,7 @@
 extern void try_offline_node(int nid);
 extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages);
 extern int remove_memory(int nid, u64 start, u64 size);
+extern int remove_memory_subsection(int nid, u64 start, u64 size);
 extern void __remove_memory(int nid, u64 start, u64 size);
 extern int offline_and_remove_memory(int nid, u64 start, u64 size);
 
@@ -340,6 +341,7 @@
 extern void __ref free_area_init_core_hotplug(int nid);
 extern int __add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags);
 extern int add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags);
+extern int add_memory_subsection(int nid, u64 start, u64 size);
 extern int add_memory_resource(int nid, struct resource *resource,
 			       mhp_t mhp_flags);
 extern int add_memory_driver_managed(int nid, u64 start, u64 size,
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index 8974c71..4b35baa 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -92,7 +92,7 @@
 	 * (above) when matching OF nodes with devices that have identical
 	 * compatible strings
 	 */
-	u64 of_reg;
+	const u64 of_reg;
 
 	/* Set to 'true' to use 'of_reg' (above) - allows for of_reg=0 */
 	bool use_of_reg;
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 0f8d158..8512469 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -45,8 +45,6 @@
 extern int isolate_movable_page(struct page *page, isolate_mode_t mode);
 extern void putback_movable_page(struct page *page);
 
-extern int migrate_prep(void);
-extern int migrate_prep_local(void);
 extern void migrate_page_states(struct page *newpage, struct page *page);
 extern void migrate_page_copy(struct page *newpage, struct page *page);
 extern int migrate_huge_page_move_mapping(struct address_space *mapping,
@@ -66,9 +64,6 @@
 static inline int isolate_movable_page(struct page *page, isolate_mode_t mode)
 	{ return -EBUSY; }
 
-static inline int migrate_prep(void) { return -ENOSYS; }
-static inline int migrate_prep_local(void) { return -ENOSYS; }
-
 static inline void migrate_page_states(struct page *newpage, struct page *page)
 {
 }
@@ -102,14 +97,14 @@
 #ifdef CONFIG_NUMA_BALANCING
 extern bool pmd_trans_migrating(pmd_t pmd);
 extern int migrate_misplaced_page(struct page *page,
-				  struct vm_area_struct *vma, int node);
+				  struct vm_fault *vmf, int node);
 #else
 static inline bool pmd_trans_migrating(pmd_t pmd)
 {
 	return false;
 }
 static inline int migrate_misplaced_page(struct page *page,
-					 struct vm_area_struct *vma, int node)
+					 struct vm_fault *vmf, int node)
 {
 	return -EAGAIN; /* can't migrate now */
 }
diff --git a/include/linux/mm.h b/include/linux/mm.h
index b8b677f..0755c09 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -31,6 +31,9 @@
 #include <linux/sizes.h>
 #include <linux/sched.h>
 #include <linux/pgtable.h>
+#include <linux/kasan.h>
+#include <linux/page_pinner.h>
+#include <linux/android_kabi.h>
 
 struct mempolicy;
 struct anon_vma;
@@ -115,6 +118,14 @@
 #define __pa_symbol(x)  __pa(RELOC_HIDE((unsigned long)(x), 0))
 #endif
 
+#ifndef __va_function
+#define __va_function(x) (x)
+#endif
+
+#ifndef __pa_function
+#define __pa_function(x) __pa_symbol(x)
+#endif
+
 #ifndef page_to_virt
 #define page_to_virt(x)	__va(PFN_PHYS(page_to_pfn(x)))
 #endif
@@ -354,6 +365,13 @@
 # define VM_GROWSUP	VM_NONE
 #endif
 
+#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+# define VM_UFFD_MINOR_BIT	37
+# define VM_UFFD_MINOR		BIT(VM_UFFD_MINOR_BIT)	/* UFFD minor faults */
+#else /* !CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */
+# define VM_UFFD_MINOR		VM_NONE
+#endif /* CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */
+
 /* Bits set in the VMA until the stack is in its final location */
 #define VM_STACK_INCOMPLETE_SETUP	(VM_RAND_READ | VM_SEQ_READ)
 
@@ -456,6 +474,8 @@
 #define FAULT_FLAG_REMOTE			0x80
 #define FAULT_FLAG_INSTRUCTION  		0x100
 #define FAULT_FLAG_INTERRUPTIBLE		0x200
+/* Speculative fault, not holding mmap_sem */
+#define FAULT_FLAG_SPECULATIVE			0x400
 
 /*
  * The default fault flags that should be used by most of the
@@ -506,11 +526,18 @@
  * pgoff should be used in favour of virtual_address, if possible.
  */
 struct vm_fault {
-	struct vm_area_struct *vma;	/* Target VMA */
-	unsigned int flags;		/* FAULT_FLAG_xxx flags */
-	gfp_t gfp_mask;			/* gfp mask to be used for allocations */
-	pgoff_t pgoff;			/* Logical page offset based on vma */
-	unsigned long address;		/* Faulting virtual address */
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	unsigned int sequence;
+	pmd_t orig_pmd;			/* value of PMD at the time of fault */
+#endif
+	const struct {
+		struct vm_area_struct *vma;	/* Target VMA */
+		gfp_t gfp_mask;			/* gfp mask to be used for allocations */
+		pgoff_t pgoff;			/* Logical page offset based on vma */
+		unsigned long address;		/* Faulting virtual address */
+	};
+	unsigned int flags;		/* FAULT_FLAG_xxx flags
+					 * XXX: should really be 'const' */
 	pmd_t *pmd;			/* Pointer to pmd entry matching
 					 * the 'address' */
 	pud_t *pud;			/* Pointer to pud entry matching
@@ -534,12 +561,19 @@
 					 * is not NULL, otherwise pmd.
 					 */
 	pgtable_t prealloc_pte;		/* Pre-allocated pte page table.
-					 * vm_ops->map_pages() calls
-					 * alloc_set_pte() from atomic context.
+					 * vm_ops->map_pages() sets up a page
+					 * table from atomic context.
 					 * do_fault_around() pre-allocates
 					 * page table to avoid allocation from
 					 * atomic context.
 					 */
+	/*
+	 * These entries are required when handling speculative page fault.
+	 * This way the page handling is done using consistent field values.
+	 */
+	unsigned long vma_flags;
+	pgprot_t vma_page_prot;
+	ANDROID_OEM_DATA_ARRAY(1, 2);
 };
 
 /* page entry size for vm->huge_fault() */
@@ -562,7 +596,7 @@
 	vm_fault_t (*fault)(struct vm_fault *vmf);
 	vm_fault_t (*huge_fault)(struct vm_fault *vmf,
 			enum page_entry_size pe_size);
-	void (*map_pages)(struct vm_fault *vmf,
+	vm_fault_t (*map_pages)(struct vm_fault *vmf,
 			pgoff_t start_pgoff, pgoff_t end_pgoff);
 	unsigned long (*pagesize)(struct vm_area_struct * area);
 
@@ -614,8 +648,26 @@
 	 */
 	struct page *(*find_special_page)(struct vm_area_struct *vma,
 					  unsigned long addr);
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	bool (*allow_speculation)(void);
+#endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
+static inline void INIT_VMA(struct vm_area_struct *vma)
+{
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	seqcount_init(&vma->vm_sequence);
+	atomic_set(&vma->vm_ref_count, 1);
+#endif
+}
+
 static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm)
 {
 	static const struct vm_operations_struct dummy_vm_ops = {};
@@ -623,7 +675,7 @@
 	memset(vma, 0, sizeof(*vma));
 	vma->vm_mm = mm;
 	vma->vm_ops = &dummy_vm_ops;
-	INIT_LIST_HEAD(&vma->anon_vma_chain);
+	INIT_VMA(vma);
 }
 
 static inline void vma_set_anonymous(struct vm_area_struct *vma)
@@ -704,8 +756,13 @@
  */
 static inline int put_page_testzero(struct page *page)
 {
+	int ret;
+
 	VM_BUG_ON_PAGE(page_ref_count(page) == 0, page);
-	return page_ref_dec_and_test(page);
+	ret = page_ref_dec_and_test(page);
+	page_pinner_put_page(page);
+
+	return ret;
 }
 
 /*
@@ -967,14 +1024,16 @@
  * pte_mkwrite.  But get_user_pages can cause write faults for mappings
  * that do not have writing enabled, when used by access_process_vm.
  */
-static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
+static inline pte_t maybe_mkwrite(pte_t pte, unsigned long vma_flags)
 {
-	if (likely(vma->vm_flags & VM_WRITE))
+	if (likely(vma_flags & VM_WRITE))
 		pte = pte_mkwrite(pte);
 	return pte;
 }
 
-vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page);
+vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page);
+void do_set_pte(struct vm_fault *vmf, struct page *page, unsigned long addr);
+
 vm_fault_t finish_fault(struct vm_fault *vmf);
 vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf);
 #endif
@@ -1050,6 +1109,8 @@
 #define ZONES_PGOFF		(NODES_PGOFF - ZONES_WIDTH)
 #define LAST_CPUPID_PGOFF	(ZONES_PGOFF - LAST_CPUPID_WIDTH)
 #define KASAN_TAG_PGOFF		(LAST_CPUPID_PGOFF - KASAN_TAG_WIDTH)
+#define LRU_GEN_PGOFF		(KASAN_TAG_PGOFF - LRU_GEN_WIDTH)
+#define LRU_REFS_PGOFF		(LRU_GEN_PGOFF - LRU_REFS_WIDTH)
 
 /*
  * Define the bit shifts to access each section.  For non-existent
@@ -1415,7 +1476,7 @@
 }
 #endif /* CONFIG_NUMA_BALANCING */
 
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
 
 /*
  * KASAN per-page tags are stored xor'ed with 0xff. This allows to avoid
@@ -1425,26 +1486,33 @@
 
 static inline u8 page_kasan_tag(const struct page *page)
 {
-	u8 tag;
+	u8 tag = 0xff;
 
-	tag = (page->flags >> KASAN_TAG_PGSHIFT) & KASAN_TAG_MASK;
-	tag ^= 0xff;
+	if (kasan_enabled()) {
+		tag = (page->flags >> KASAN_TAG_PGSHIFT) & KASAN_TAG_MASK;
+		tag ^= 0xff;
+	}
 
 	return tag;
 }
 
 static inline void page_kasan_tag_set(struct page *page, u8 tag)
 {
-	tag ^= 0xff;
-	page->flags &= ~(KASAN_TAG_MASK << KASAN_TAG_PGSHIFT);
-	page->flags |= (tag & KASAN_TAG_MASK) << KASAN_TAG_PGSHIFT;
+	if (kasan_enabled()) {
+		tag ^= 0xff;
+		page->flags &= ~(KASAN_TAG_MASK << KASAN_TAG_PGSHIFT);
+		page->flags |= (tag & KASAN_TAG_MASK) << KASAN_TAG_PGSHIFT;
+	}
 }
 
 static inline void page_kasan_tag_reset(struct page *page)
 {
-	page_kasan_tag_set(page, 0xff);
+	if (kasan_enabled())
+		page_kasan_tag_set(page, 0xff);
 }
-#else
+
+#else /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
+
 static inline u8 page_kasan_tag(const struct page *page)
 {
 	return 0xff;
@@ -1452,7 +1520,8 @@
 
 static inline void page_kasan_tag_set(struct page *page, u8 tag) { }
 static inline void page_kasan_tag_reset(struct page *page) { }
-#endif
+
+#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
 
 static inline struct zone *page_zone(const struct page *page)
 {
@@ -1653,8 +1722,14 @@
 	struct page *single_page;		/* Locked page to be unmapped */
 };
 
-struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
-			     pte_t pte);
+struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
+			      pte_t pte, unsigned long vma_flags);
+static inline struct page *vm_normal_page(struct vm_area_struct *vma,
+					  unsigned long addr, pte_t pte)
+{
+	return _vm_normal_page(vma, addr, pte, vma->vm_flags);
+}
+
 struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
 				pmd_t pmd);
 
@@ -1683,6 +1758,34 @@
 int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
 			void *buf, int len, int write);
 
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+static inline void vm_write_begin(struct vm_area_struct *vma)
+{
+        /*
+         * Isolated vma might be freed without exclusive mmap_lock but
+         * speculative page fault handler still needs to know it was changed.
+         */
+        if (!RB_EMPTY_NODE(&vma->vm_rb))
+	       mmap_assert_write_locked(vma->vm_mm);
+	/*
+	 * The reads never spins and preemption
+	 * disablement is not required.
+	 */
+	raw_write_seqcount_begin(&vma->vm_sequence);
+}
+static inline void vm_write_end(struct vm_area_struct *vma)
+{
+	raw_write_seqcount_end(&vma->vm_sequence);
+}
+#else
+static inline void vm_write_begin(struct vm_area_struct *vma)
+{
+}
+static inline void vm_write_end(struct vm_area_struct *vma)
+{
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
 extern void truncate_pagecache(struct inode *inode, loff_t new);
 extern void truncate_setsize(struct inode *inode, loff_t newsize);
 void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to);
@@ -1698,6 +1801,46 @@
 extern int fixup_user_fault(struct mm_struct *mm,
 			    unsigned long address, unsigned int fault_flags,
 			    bool *unlocked);
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+extern vm_fault_t __handle_speculative_fault(struct mm_struct *mm,
+					     unsigned long address,
+					     unsigned int flags,
+					     struct vm_area_struct **vma,
+					     struct pt_regs *regs);
+static inline vm_fault_t handle_speculative_fault(struct mm_struct *mm,
+						  unsigned long address,
+						  unsigned int flags,
+						  struct vm_area_struct **vma,
+						  struct pt_regs *regs)
+{
+	/*
+	 * Try speculative page fault for multithreaded user space task only.
+	 */
+	if (!(flags & FAULT_FLAG_USER) || atomic_read(&mm->mm_users) == 1) {
+		*vma = NULL;
+		return VM_FAULT_RETRY;
+	}
+	return __handle_speculative_fault(mm, address, flags, vma, regs);
+}
+extern bool can_reuse_spf_vma(struct vm_area_struct *vma,
+			      unsigned long address);
+#else
+static inline vm_fault_t handle_speculative_fault(struct mm_struct *mm,
+						  unsigned long address,
+						  unsigned int flags,
+						  struct vm_area_struct **vma,
+						  struct pt_regs *regs)
+{
+	return VM_FAULT_RETRY;
+}
+static inline bool can_reuse_spf_vma(struct vm_area_struct *vma,
+				     unsigned long address)
+{
+	return false;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
 void unmap_mapping_page(struct page *page);
 void unmap_mapping_pages(struct address_space *mapping,
 		pgoff_t start, pgoff_t nr, bool even_cows);
@@ -2527,16 +2670,29 @@
 extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);
 extern int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
 	unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert,
-	struct vm_area_struct *expand);
+	struct vm_area_struct *expand, bool keep_locked);
 static inline int vma_adjust(struct vm_area_struct *vma, unsigned long start,
 	unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert)
 {
-	return __vma_adjust(vma, start, end, pgoff, insert, NULL);
+	return __vma_adjust(vma, start, end, pgoff, insert, NULL, false);
 }
-extern struct vm_area_struct *vma_merge(struct mm_struct *,
+
+extern struct vm_area_struct *__vma_merge(struct mm_struct *mm,
 	struct vm_area_struct *prev, unsigned long addr, unsigned long end,
-	unsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t,
-	struct mempolicy *, struct vm_userfaultfd_ctx);
+	unsigned long vm_flags, struct anon_vma *anon, struct file *file,
+	pgoff_t pgoff, struct mempolicy *mpol, struct vm_userfaultfd_ctx uff,
+	struct anon_vma_name *, bool keep_locked);
+
+static inline struct vm_area_struct *vma_merge(struct mm_struct *mm,
+	struct vm_area_struct *prev, unsigned long addr, unsigned long end,
+	unsigned long vm_flags, struct anon_vma *anon, struct file *file,
+	pgoff_t off, struct mempolicy *pol, struct vm_userfaultfd_ctx uff,
+	struct anon_vma_name *anon_name)
+{
+	return __vma_merge(mm, prev, addr, end, vm_flags, anon, file, off,
+			   pol, uff, anon_name, false);
+}
+
 extern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);
 extern int __split_vma(struct mm_struct *, struct vm_area_struct *,
 	unsigned long addr, int new_below);
@@ -2643,9 +2799,12 @@
 
 /* generic vm_area_ops exported for stackable file systems */
 extern vm_fault_t filemap_fault(struct vm_fault *vmf);
-extern void filemap_map_pages(struct vm_fault *vmf,
+extern vm_fault_t filemap_map_pages(struct vm_fault *vmf,
 		pgoff_t start_pgoff, pgoff_t end_pgoff);
 extern vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+extern bool filemap_allow_speculation(void);
+#endif
 
 /* mm/page-writeback.c */
 int __must_check write_one_page(struct page *page);
@@ -2896,44 +3055,56 @@
 				   unsigned long address, unsigned long size,
 				   pte_fn_t fn, void *data);
 
+extern void init_mem_debugging_and_hardening(void);
 #ifdef CONFIG_PAGE_POISONING
-extern bool page_poisoning_enabled(void);
-extern void kernel_poison_pages(struct page *page, int numpages, int enable);
+extern void __kernel_poison_pages(struct page *page, int numpages);
+extern void __kernel_unpoison_pages(struct page *page, int numpages);
+extern bool _page_poisoning_enabled_early;
+DECLARE_STATIC_KEY_FALSE(_page_poisoning_enabled);
+static inline bool page_poisoning_enabled(void)
+{
+	return _page_poisoning_enabled_early;
+}
+/*
+ * For use in fast paths after init_mem_debugging() has run, or when a
+ * false negative result is not harmful when called too early.
+ */
+static inline bool page_poisoning_enabled_static(void)
+{
+	return static_branch_unlikely(&_page_poisoning_enabled);
+}
+static inline void kernel_poison_pages(struct page *page, int numpages)
+{
+	if (page_poisoning_enabled_static())
+		__kernel_poison_pages(page, numpages);
+}
+static inline void kernel_unpoison_pages(struct page *page, int numpages)
+{
+	if (page_poisoning_enabled_static())
+		__kernel_unpoison_pages(page, numpages);
+}
 #else
 static inline bool page_poisoning_enabled(void) { return false; }
-static inline void kernel_poison_pages(struct page *page, int numpages,
-					int enable) { }
+static inline bool page_poisoning_enabled_static(void) { return false; }
+static inline void __kernel_poison_pages(struct page *page, int nunmpages) { }
+static inline void kernel_poison_pages(struct page *page, int numpages) { }
+static inline void kernel_unpoison_pages(struct page *page, int numpages) { }
 #endif
 
-#ifdef CONFIG_INIT_ON_ALLOC_DEFAULT_ON
-DECLARE_STATIC_KEY_TRUE(init_on_alloc);
-#else
 DECLARE_STATIC_KEY_FALSE(init_on_alloc);
-#endif
 static inline bool want_init_on_alloc(gfp_t flags)
 {
-	if (static_branch_unlikely(&init_on_alloc) &&
-	    !page_poisoning_enabled())
+	if (static_branch_unlikely(&init_on_alloc))
 		return true;
 	return flags & __GFP_ZERO;
 }
 
-#ifdef CONFIG_INIT_ON_FREE_DEFAULT_ON
-DECLARE_STATIC_KEY_TRUE(init_on_free);
-#else
 DECLARE_STATIC_KEY_FALSE(init_on_free);
-#endif
 static inline bool want_init_on_free(void)
 {
-	return static_branch_unlikely(&init_on_free) &&
-	       !page_poisoning_enabled();
+	return static_branch_unlikely(&init_on_free);
 }
 
-#ifdef CONFIG_DEBUG_PAGEALLOC
-extern void init_debug_pagealloc(void);
-#else
-static inline void init_debug_pagealloc(void) {}
-#endif
 extern bool _debug_pagealloc_enabled_early;
 DECLARE_STATIC_KEY_FALSE(_debug_pagealloc_enabled);
 
@@ -2967,12 +3138,27 @@
 {
 	__kernel_map_pages(page, numpages, enable);
 }
+
+static inline void debug_pagealloc_map_pages(struct page *page, int numpages)
+{
+	if (debug_pagealloc_enabled_static())
+		__kernel_map_pages(page, numpages, 1);
+}
+
+static inline void debug_pagealloc_unmap_pages(struct page *page, int numpages)
+{
+	if (debug_pagealloc_enabled_static())
+		__kernel_map_pages(page, numpages, 0);
+}
+
 #ifdef CONFIG_HIBERNATION
 extern bool kernel_page_present(struct page *page);
 #endif	/* CONFIG_HIBERNATION */
 #else	/* CONFIG_DEBUG_PAGEALLOC || CONFIG_ARCH_HAS_SET_DIRECT_MAP */
 static inline void
 kernel_map_pages(struct page *page, int numpages, int enable) {}
+static inline void debug_pagealloc_map_pages(struct page *page, int numpages) {}
+static inline void debug_pagealloc_unmap_pages(struct page *page, int numpages) {}
 #ifdef CONFIG_HIBERNATION
 static inline bool kernel_page_present(struct page *page) { return true; }
 #endif	/* CONFIG_HIBERNATION */
@@ -3183,6 +3369,9 @@
 #endif
 
 extern int sysctl_nr_trim_pages;
+extern bool pte_map_lock_addr(struct vm_fault *vmf, unsigned long addr);
+extern int reclaim_shmem_address_space(struct address_space *mapping);
+extern int reclaim_pages_from_list(struct list_head *page_list);
 
 /**
  * seal_check_future_write - Check for F_SEAL_FUTURE_WRITE flag and handle it
@@ -3216,5 +3405,17 @@
 	return 0;
 }
 
+#ifdef CONFIG_ANON_VMA_NAME
+int madvise_set_anon_name(struct mm_struct *mm, unsigned long start,
+			  unsigned long len_in,
+			  struct anon_vma_name *anon_name);
+#else
+static inline int
+madvise_set_anon_name(struct mm_struct *mm, unsigned long start,
+		      unsigned long len_in, struct anon_vma_name *anon_name) {
+	return 0;
+}
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 8fc71e9..e1f93b2 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -4,6 +4,7 @@
 
 #include <linux/huge_mm.h>
 #include <linux/swap.h>
+#include <linux/string.h>
 
 /**
  * page_is_file_lru - should the page be on a file LRU or anon LRU?
@@ -26,10 +27,13 @@
 
 static __always_inline void __update_lru_size(struct lruvec *lruvec,
 				enum lru_list lru, enum zone_type zid,
-				int nr_pages)
+				long nr_pages)
 {
 	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
 
+	lockdep_assert_held(&pgdat->lru_lock);
+	WARN_ON_ONCE(nr_pages != (int)nr_pages);
+
 	__mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
 	__mod_zone_page_state(&pgdat->node_zones[zid],
 				NR_ZONE_LRU_BASE + lru, nr_pages);
@@ -45,64 +49,22 @@
 #endif
 }
 
-static __always_inline void add_page_to_lru_list(struct page *page,
-				struct lruvec *lruvec, enum lru_list lru)
-{
-	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
-	list_add(&page->lru, &lruvec->lists[lru]);
-}
-
-static __always_inline void add_page_to_lru_list_tail(struct page *page,
-				struct lruvec *lruvec, enum lru_list lru)
-{
-	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
-	list_add_tail(&page->lru, &lruvec->lists[lru]);
-}
-
-static __always_inline void del_page_from_lru_list(struct page *page,
-				struct lruvec *lruvec, enum lru_list lru)
-{
-	list_del(&page->lru);
-	update_lru_size(lruvec, lru, page_zonenum(page), -thp_nr_pages(page));
-}
-
 /**
- * page_lru_base_type - which LRU list type should a page be on?
- * @page: the page to test
- *
- * Used for LRU list index arithmetic.
- *
- * Returns the base LRU type - file or anon - @page should be on.
+ * __clear_page_lru_flags - clear page lru flags before releasing a page
+ * @page: the page that was on lru and now has a zero reference
  */
-static inline enum lru_list page_lru_base_type(struct page *page)
+static __always_inline void __clear_page_lru_flags(struct page *page)
 {
-	if (page_is_file_lru(page))
-		return LRU_INACTIVE_FILE;
-	return LRU_INACTIVE_ANON;
-}
+	VM_BUG_ON_PAGE(!PageLRU(page), page);
 
-/**
- * page_off_lru - which LRU list was page on? clearing its lru flags.
- * @page: the page to test
- *
- * Returns the LRU list a page was on, as an index into the array of LRU
- * lists; and clears its Unevictable or Active flags, ready for freeing.
- */
-static __always_inline enum lru_list page_off_lru(struct page *page)
-{
-	enum lru_list lru;
+	__ClearPageLRU(page);
 
-	if (PageUnevictable(page)) {
-		__ClearPageUnevictable(page);
-		lru = LRU_UNEVICTABLE;
-	} else {
-		lru = page_lru_base_type(page);
-		if (PageActive(page)) {
-			__ClearPageActive(page);
-			lru += LRU_ACTIVE;
-		}
-	}
-	return lru;
+	/* this shouldn't happen, so leave the flags to bad_page() */
+	if (PageActive(page) && PageUnevictable(page))
+		return;
+
+	__ClearPageActive(page);
+	__ClearPageUnevictable(page);
 }
 
 /**
@@ -116,13 +78,349 @@
 {
 	enum lru_list lru;
 
+	VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page);
+
 	if (PageUnevictable(page))
-		lru = LRU_UNEVICTABLE;
-	else {
-		lru = page_lru_base_type(page);
-		if (PageActive(page))
-			lru += LRU_ACTIVE;
-	}
+		return LRU_UNEVICTABLE;
+
+	lru = page_is_file_lru(page) ? LRU_INACTIVE_FILE : LRU_INACTIVE_ANON;
+	if (PageActive(page))
+		lru += LRU_ACTIVE;
+
 	return lru;
 }
+
+#ifdef CONFIG_LRU_GEN
+
+#ifdef CONFIG_LRU_GEN_ENABLED
+static inline bool lru_gen_enabled(void)
+{
+	DECLARE_STATIC_KEY_TRUE(lru_gen_caps[NR_LRU_GEN_CAPS]);
+
+	return static_branch_likely(&lru_gen_caps[LRU_GEN_CORE]);
+}
+#else
+static inline bool lru_gen_enabled(void)
+{
+	DECLARE_STATIC_KEY_FALSE(lru_gen_caps[NR_LRU_GEN_CAPS]);
+
+	return static_branch_unlikely(&lru_gen_caps[LRU_GEN_CORE]);
+}
+#endif
+
+static inline bool lru_gen_in_fault(void)
+{
+	return current->in_lru_fault;
+}
+
+static inline int lru_gen_from_seq(unsigned long seq)
+{
+	return seq % MAX_NR_GENS;
+}
+
+static inline int lru_hist_from_seq(unsigned long seq)
+{
+	return seq % NR_HIST_GENS;
+}
+
+static inline int lru_tier_from_refs(int refs)
+{
+	VM_WARN_ON_ONCE(refs > BIT(LRU_REFS_WIDTH));
+
+	/* see the comment in page_lru_refs() */
+	return order_base_2(refs + 1);
+}
+
+static inline int page_lru_refs(struct page *page)
+{
+	unsigned long flags = READ_ONCE(page->flags);
+	bool workingset = flags & BIT(PG_workingset);
+
+	/*
+	 * Return the number of accesses beyond PG_referenced, i.e., N-1 if the
+	 * total number of accesses is N>1, since N=0,1 both map to the first
+	 * tier. lru_tier_from_refs() will account for this off-by-one. Also see
+	 * the comment on MAX_NR_TIERS.
+	 */
+	return ((flags & LRU_REFS_MASK) >> LRU_REFS_PGOFF) + workingset;
+}
+
+static inline int page_lru_gen(struct page *page)
+{
+	unsigned long flags = READ_ONCE(page->flags);
+
+	return ((flags & LRU_GEN_MASK) >> LRU_GEN_PGOFF) - 1;
+}
+
+static inline bool lru_gen_is_active(struct lruvec *lruvec, int gen)
+{
+	unsigned long max_seq = lruvec->lrugen.max_seq;
+
+	VM_WARN_ON_ONCE(gen >= MAX_NR_GENS);
+
+	/* see the comment on MIN_NR_GENS */
+	return gen == lru_gen_from_seq(max_seq) || gen == lru_gen_from_seq(max_seq - 1);
+}
+
+static inline void lru_gen_update_size(struct lruvec *lruvec, struct page *page,
+				       int old_gen, int new_gen)
+{
+	int type = page_is_file_lru(page);
+	int zone = page_zonenum(page);
+	int delta = thp_nr_pages(page);
+	enum lru_list lru = type * LRU_INACTIVE_FILE;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	VM_WARN_ON_ONCE(old_gen != -1 && old_gen >= MAX_NR_GENS);
+	VM_WARN_ON_ONCE(new_gen != -1 && new_gen >= MAX_NR_GENS);
+	VM_WARN_ON_ONCE(old_gen == -1 && new_gen == -1);
+
+	if (old_gen >= 0)
+		WRITE_ONCE(lrugen->nr_pages[old_gen][type][zone],
+			   lrugen->nr_pages[old_gen][type][zone] - delta);
+	if (new_gen >= 0)
+		WRITE_ONCE(lrugen->nr_pages[new_gen][type][zone],
+			   lrugen->nr_pages[new_gen][type][zone] + delta);
+
+	/* addition */
+	if (old_gen < 0) {
+		if (lru_gen_is_active(lruvec, new_gen))
+			lru += LRU_ACTIVE;
+		__update_lru_size(lruvec, lru, zone, delta);
+		return;
+	}
+
+	/* deletion */
+	if (new_gen < 0) {
+		if (lru_gen_is_active(lruvec, old_gen))
+			lru += LRU_ACTIVE;
+		__update_lru_size(lruvec, lru, zone, -delta);
+		return;
+	}
+
+	/* promotion */
+	if (!lru_gen_is_active(lruvec, old_gen) && lru_gen_is_active(lruvec, new_gen)) {
+		__update_lru_size(lruvec, lru, zone, -delta);
+		__update_lru_size(lruvec, lru + LRU_ACTIVE, zone, delta);
+	}
+
+	/* demotion requires isolation, e.g., lru_deactivate_fn() */
+	VM_WARN_ON_ONCE(lru_gen_is_active(lruvec, old_gen) && !lru_gen_is_active(lruvec, new_gen));
+}
+
+static inline bool lru_gen_add_page(struct lruvec *lruvec, struct page *page, bool reclaiming)
+{
+	unsigned long seq;
+	unsigned long flags;
+	int gen = page_lru_gen(page);
+	int type = page_is_file_lru(page);
+	int zone = page_zonenum(page);
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	VM_WARN_ON_ONCE_PAGE(gen != -1, page);
+
+	if (PageUnevictable(page) || !lrugen->enabled)
+		return false;
+	/*
+	 * There are three common cases for this page:
+	 * 1. If it's hot, e.g., freshly faulted in or previously hot and
+	 *    migrated, add it to the youngest generation.
+	 * 2. If it's cold but can't be evicted immediately, i.e., an anon page
+	 *    not in swapcache or a dirty page pending writeback, add it to the
+	 *    second oldest generation.
+	 * 3. Everything else (clean, cold) is added to the oldest generation.
+	 */
+	if (PageActive(page))
+		seq = lrugen->max_seq;
+	else if ((type == LRU_GEN_ANON && !PageSwapCache(page)) ||
+		 (PageReclaim(page) &&
+		  (PageDirty(page) || PageWriteback(page))))
+		seq = lrugen->min_seq[type] + 1;
+	else
+		seq = lrugen->min_seq[type];
+
+	gen = lru_gen_from_seq(seq);
+	flags = (gen + 1UL) << LRU_GEN_PGOFF;
+	/* see the comment on MIN_NR_GENS about PG_active */
+	set_mask_bits(&page->flags, LRU_GEN_MASK | BIT(PG_active), flags);
+
+	lru_gen_update_size(lruvec, page, -1, gen);
+	/* for rotate_reclaimable_page() */
+	if (reclaiming)
+		list_add_tail(&page->lru, &lrugen->lists[gen][type][zone]);
+	else
+		list_add(&page->lru, &lrugen->lists[gen][type][zone]);
+
+	return true;
+}
+
+static inline bool lru_gen_del_page(struct lruvec *lruvec, struct page *page, bool reclaiming)
+{
+	unsigned long flags;
+	int gen = page_lru_gen(page);
+
+	if (gen < 0)
+		return false;
+
+	VM_WARN_ON_ONCE_PAGE(PageActive(page), page);
+	VM_WARN_ON_ONCE_PAGE(PageUnevictable(page), page);
+
+	/* for migrate_page_states() */
+	flags = !reclaiming && lru_gen_is_active(lruvec, gen) ? BIT(PG_active) : 0;
+	flags = set_mask_bits(&page->flags, LRU_GEN_MASK, flags);
+	gen = ((flags & LRU_GEN_MASK) >> LRU_GEN_PGOFF) - 1;
+
+	lru_gen_update_size(lruvec, page, gen, -1);
+	list_del(&page->lru);
+
+	return true;
+}
+
+#else /* !CONFIG_LRU_GEN */
+
+static inline bool lru_gen_enabled(void)
+{
+	return false;
+}
+
+static inline bool lru_gen_in_fault(void)
+{
+	return false;
+}
+
+static inline bool lru_gen_add_page(struct lruvec *lruvec, struct page *page, bool reclaiming)
+{
+	return false;
+}
+
+static inline bool lru_gen_del_page(struct lruvec *lruvec, struct page *page, bool reclaiming)
+{
+	return false;
+}
+
+#endif /* CONFIG_LRU_GEN */
+
+static __always_inline void add_page_to_lru_list(struct page *page,
+				struct lruvec *lruvec)
+{
+	enum lru_list lru = page_lru(page);
+
+	if (lru_gen_add_page(lruvec, page, false))
+		return;
+
+	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
+	list_add(&page->lru, &lruvec->lists[lru]);
+}
+
+static __always_inline void add_page_to_lru_list_tail(struct page *page,
+				struct lruvec *lruvec)
+{
+	enum lru_list lru = page_lru(page);
+
+	if (lru_gen_add_page(lruvec, page, true))
+		return;
+
+	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
+	list_add_tail(&page->lru, &lruvec->lists[lru]);
+}
+
+static __always_inline void del_page_from_lru_list(struct page *page,
+				struct lruvec *lruvec)
+{
+	if (lru_gen_del_page(lruvec, page, false))
+		return;
+
+	list_del(&page->lru);
+	update_lru_size(lruvec, page_lru(page), page_zonenum(page),
+			-thp_nr_pages(page));
+}
+
+#ifdef CONFIG_ANON_VMA_NAME
+/*
+ * mmap_lock should be read-locked when calling anon_vma_name(). Caller should
+ * either keep holding the lock while using the returned pointer or it should
+ * raise anon_vma_name refcount before releasing the lock.
+ */
+extern struct anon_vma_name *anon_vma_name(struct vm_area_struct *vma);
+extern struct anon_vma_name *anon_vma_name_alloc(const char *name);
+extern void anon_vma_name_free(struct kref *kref);
+
+/* mmap_lock should be read-locked */
+static inline void anon_vma_name_get(struct anon_vma_name *anon_name)
+{
+	if (anon_name)
+		kref_get(&anon_name->kref);
+}
+
+static inline void anon_vma_name_put(struct anon_vma_name *anon_name)
+{
+	if (anon_name)
+		kref_put(&anon_name->kref, anon_vma_name_free);
+}
+
+static inline
+struct anon_vma_name *anon_vma_name_reuse(struct anon_vma_name *anon_name)
+{
+	/* Prevent anon_name refcount saturation early on */
+	if (kref_read(&anon_name->kref) < REFCOUNT_MAX) {
+		anon_vma_name_get(anon_name);
+		return anon_name;
+
+	}
+	return anon_vma_name_alloc(anon_name->name);
+}
+
+static inline void dup_anon_vma_name(struct vm_area_struct *orig_vma,
+				     struct vm_area_struct *new_vma)
+{
+	struct anon_vma_name *anon_name = anon_vma_name(orig_vma);
+
+	if (anon_name)
+		new_vma->anon_name = anon_vma_name_reuse(anon_name);
+}
+
+static inline void free_anon_vma_name(struct vm_area_struct *vma)
+{
+	/*
+	 * Not using anon_vma_name because it generates a warning if mmap_lock
+	 * is not held, which might be the case here.
+	 */
+	if (!vma->vm_file)
+		anon_vma_name_put(vma->anon_name);
+}
+
+static inline bool anon_vma_name_eq(struct anon_vma_name *anon_name1,
+				    struct anon_vma_name *anon_name2)
+{
+	if (anon_name1 == anon_name2)
+		return true;
+
+	return anon_name1 && anon_name2 &&
+		!strcmp(anon_name1->name, anon_name2->name);
+}
+#else /* CONFIG_ANON_VMA_NAME */
+static inline struct anon_vma_name *anon_vma_name(struct vm_area_struct *vma)
+{
+	return NULL;
+}
+
+static inline struct anon_vma_name *anon_vma_name_alloc(const char *name)
+{
+	return NULL;
+}
+
+static inline void anon_vma_name_get(struct anon_vma_name *anon_name) {}
+static inline void anon_vma_name_put(struct anon_vma_name *anon_name) {}
+static inline void dup_anon_vma_name(struct vm_area_struct *orig_vma,
+				     struct vm_area_struct *new_vma) {}
+static inline void free_anon_vma_name(struct vm_area_struct *vma) {}
+
+static inline bool anon_vma_name_eq(struct anon_vma_name *anon_name1,
+				    struct anon_vma_name *anon_name2)
+{
+	return true;
+}
+
+#endif  /* CONFIG_ANON_VMA_NAME */
+
 #endif
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 4eb3891..80126b5 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -3,8 +3,10 @@
 #define _LINUX_MM_TYPES_H
 
 #include <linux/mm_types_task.h>
+#include <linux/sched.h>
 
 #include <linux/auxvec.h>
+#include <linux/kref.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
 #include <linux/rbtree.h>
@@ -15,6 +17,9 @@
 #include <linux/page-flags-layout.h>
 #include <linux/workqueue.h>
 #include <linux/seqlock.h>
+#include <linux/nodemask.h>
+#include <linux/mmdebug.h>
+#include <linux/android_kabi.h>
 
 #include <asm/mmu.h>
 
@@ -84,6 +89,7 @@
 			 * by the page owner.
 			 */
 			struct list_head lru;
+
 			/* See page-flags.h for PAGE_MAPPING_FLAGS */
 			struct address_space *mapping;
 			pgoff_t index;		/* Our offset within mapping. */
@@ -298,6 +304,12 @@
 struct vm_userfaultfd_ctx {};
 #endif /* CONFIG_USERFAULTFD */
 
+struct anon_vma_name {
+	struct kref kref;
+	/* The name needs to be at the end because it is dynamically sized. */
+	char name[];
+};
+
 /*
  * This struct describes a virtual memory area. There is one of these
  * per VM-area/task. A VM area is any part of the process virtual memory
@@ -338,11 +350,22 @@
 	/*
 	 * For areas with an address space and backing store,
 	 * linkage into the address_space->i_mmap interval tree.
+	 *
+	 * For private anonymous mappings, a pointer to a null terminated string
+	 * containing the name given to the vma, or NULL if unnamed.
 	 */
-	struct {
-		struct rb_node rb;
-		unsigned long rb_subtree_last;
-	} shared;
+
+	union {
+		struct {
+			struct rb_node rb;
+			unsigned long rb_subtree_last;
+		} shared;
+		/*
+		 * Serialized by mmap_sem. Never use directly because it is
+		 * valid only when vm_file is NULL. Use anon_vma_name instead.
+		 */
+		struct anon_vma_name *anon_name;
+	};
 
 	/*
 	 * A file's MAP_PRIVATE vma can be in both i_mmap tree and anon_vma
@@ -373,6 +396,15 @@
 	struct mempolicy *vm_policy;	/* NUMA policy for the VMA */
 #endif
 	struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	seqcount_t vm_sequence;
+	atomic_t vm_ref_count;		/* see vma_get(), vma_put() */
+#endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 struct core_thread {
@@ -387,11 +419,15 @@
 };
 
 struct kioctx_table;
+struct percpu_rw_semaphore;
 struct mm_struct {
 	struct {
 		struct vm_area_struct *mmap;		/* list of VMAs */
 		struct rb_root mm_rb;
 		u64 vmacache_seqnum;                   /* per-thread vmacache */
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+		rwlock_t mm_rb_lock;
+#endif
 #ifdef CONFIG_MMU
 		unsigned long (*get_unmapped_area) (struct file *filp,
 				unsigned long addr, unsigned long len,
@@ -541,6 +577,9 @@
 		struct file __rcu *exe_file;
 #ifdef CONFIG_MMU_NOTIFIER
 		struct mmu_notifier_subscriptions *notifier_subscriptions;
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+		struct percpu_rw_semaphore *mmu_notifier_lock;
+#endif
 #endif
 #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS
 		pgtable_t pmd_huge_pte; /* protected by page_table_lock */
@@ -578,6 +617,24 @@
 #ifdef CONFIG_IOMMU_SUPPORT
 		u32 pasid;
 #endif
+#ifdef CONFIG_LRU_GEN
+		struct {
+			/* this mm_struct is on lru_gen_mm_list */
+			struct list_head list;
+#ifdef CONFIG_MEMCG
+			/* points to the memcg of "owner" above */
+			struct mem_cgroup *memcg;
+#endif
+			/*
+			 * Set when switching to this mm_struct, as a hint of
+			 * whether it has been used since the last time per-node
+			 * page table walkers cleared the corresponding bits.
+			 */
+			nodemask_t nodes;
+		} lru_gen;
+#endif /* CONFIG_LRU_GEN */
+
+		ANDROID_KABI_RESERVE(1);
 	} __randomize_layout;
 
 	/*
@@ -604,6 +661,66 @@
 	return (struct cpumask *)&mm->cpu_bitmap;
 }
 
+#ifdef CONFIG_LRU_GEN
+
+struct lru_gen_mm_list {
+	/* mm_struct list for page table walkers */
+	struct list_head fifo;
+	/* protects the list above */
+	spinlock_t lock;
+};
+
+void lru_gen_add_mm(struct mm_struct *mm);
+void lru_gen_del_mm(struct mm_struct *mm);
+#ifdef CONFIG_MEMCG
+void lru_gen_migrate_mm(struct mm_struct *mm);
+#endif
+
+static inline void lru_gen_init_mm(struct mm_struct *mm)
+{
+	INIT_LIST_HEAD(&mm->lru_gen.list);
+	nodes_clear(mm->lru_gen.nodes);
+#ifdef CONFIG_MEMCG
+	mm->lru_gen.memcg = NULL;
+#endif
+}
+
+static inline void lru_gen_use_mm(struct mm_struct *mm)
+{
+	/*
+	 * When the bitmap is set, page reclaim knows this mm_struct has been
+	 * used since the last time it cleared the bitmap. So it might be worth
+	 * walking the page tables of this mm_struct to clear the accessed bit.
+	 */
+	nodes_setall(mm->lru_gen.nodes);
+}
+
+#else /* !CONFIG_LRU_GEN */
+
+static inline void lru_gen_add_mm(struct mm_struct *mm)
+{
+}
+
+static inline void lru_gen_del_mm(struct mm_struct *mm)
+{
+}
+
+#ifdef CONFIG_MEMCG
+static inline void lru_gen_migrate_mm(struct mm_struct *mm)
+{
+}
+#endif
+
+static inline void lru_gen_init_mm(struct mm_struct *mm)
+{
+}
+
+static inline void lru_gen_use_mm(struct mm_struct *mm)
+{
+}
+
+#endif /* CONFIG_LRU_GEN */
+
 struct mmu_gather;
 extern void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
 				unsigned long start, unsigned long end);
@@ -742,6 +859,7 @@
 	VM_FAULT_FALLBACK       = (__force vm_fault_t)0x000800,
 	VM_FAULT_DONE_COW       = (__force vm_fault_t)0x001000,
 	VM_FAULT_NEEDDSYNC      = (__force vm_fault_t)0x002000,
+	VM_FAULT_PTNOTSAME      = (__force vm_fault_t)0x004000,
 	VM_FAULT_HINDEX_MASK    = (__force vm_fault_t)0x0f0000,
 };
 
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index ef870d1..71e5859 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -9,6 +9,7 @@
 
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+#include <linux/android_kabi.h>
 
 struct mmc_cid {
 	unsigned int		manfid;
@@ -236,6 +237,8 @@
 #define MMC_BLK_DATA_AREA_BOOT	(1<<1)
 #define MMC_BLK_DATA_AREA_GP	(1<<2)
 #define MMC_BLK_DATA_AREA_RPMB	(1<<3)
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
@@ -314,6 +317,10 @@
 
 	unsigned int		bouncesz;	/* Bounce buffer size */
 	struct workqueue_struct *complete_wq;	/* Private workqueue */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_VENDOR_DATA(1);
 };
 
 static inline bool mmc_large_sector(struct mmc_card *card)
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 29aa507..71101d1 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -162,6 +162,11 @@
 	bool			cap_cmd_during_tfr;
 
 	int			tag;
+
+#ifdef CONFIG_MMC_CRYPTO
+	const struct bio_crypt_ctx *crypto_ctx;
+	int			crypto_key_slot;
+#endif
 };
 
 struct mmc_card;
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index fb08b86..45cbfce 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -15,6 +15,10 @@
 #include <linux/mmc/card.h>
 #include <linux/mmc/pm.h>
 #include <linux/dma-direction.h>
+#include <linux/keyslot-manager.h>
+#include <linux/android_kabi.h>
+
+#include <linux/android_vendor.h>
 
 struct mmc_ios {
 	unsigned int	clock;			/* clock rate */
@@ -173,6 +177,9 @@
 	 */
 	int	(*multi_io_quirk)(struct mmc_card *card,
 				  unsigned int direction, int blk_size);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct mmc_cqe_ops {
@@ -217,6 +224,9 @@
 	 * will have zero data bytes transferred.
 	 */
 	void	(*cqe_recovery_finish)(struct mmc_host *host);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct mmc_async_req {
@@ -243,6 +253,7 @@
 struct mmc_slot {
 	int cd_irq;
 	bool cd_wake_enabled;
+	ANDROID_OEM_DATA_ARRAY(1, 2);
 	void *handler_priv;
 };
 
@@ -374,6 +385,11 @@
 #define MMC_CAP2_CQE_DCMD	(1 << 24)	/* CQE can issue a direct command */
 #define MMC_CAP2_AVOID_3_3V	(1 << 25)	/* Host must negotiate down from 3.3V */
 #define MMC_CAP2_MERGE_CAPABLE	(1 << 26)	/* Host can merge a segment over the segment size */
+#ifdef CONFIG_MMC_CRYPTO
+#define MMC_CAP2_CRYPTO		(1 << 27)	/* Host supports inline encryption */
+#else
+#define MMC_CAP2_CRYPTO		0
+#endif
 
 	int			fixed_drv_type;	/* fixed driver type for non-removable media */
 
@@ -405,7 +421,6 @@
 	unsigned int		use_blk_mq:1;	/* use blk-mq */
 	unsigned int		retune_crc_disable:1; /* don't trigger retune upon crc */
 	unsigned int		can_dma_map_merge:1; /* merging can be used */
-	unsigned int		vqmmc_enabled:1; /* vqmmc regulator is enabled */
 
 	int			rescan_disable;	/* disable card detection */
 	int			rescan_entered;	/* used with nonremovable devices */
@@ -469,9 +484,19 @@
 	bool			cqe_enabled;
 	bool			cqe_on;
 
+	/* Inline encryption support */
+#ifdef CONFIG_MMC_CRYPTO
+	struct blk_keyslot_manager ksm;
+#endif
+
 	/* Host Software Queue support */
 	bool			hsq_enabled;
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_VENDOR_DATA(1);
+	ANDROID_OEM_DATA(1);
+
 	unsigned long		private[] ____cacheline_aligned;
 };
 
@@ -547,8 +572,6 @@
 #endif
 
 int mmc_regulator_get_supply(struct mmc_host *mmc);
-int mmc_regulator_enable_vqmmc(struct mmc_host *mmc);
-void mmc_regulator_disable_vqmmc(struct mmc_host *mmc);
 
 static inline int mmc_card_is_removable(struct mmc_host *host)
 {
diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h
index 3549f80..1d554b8 100644
--- a/include/linux/mmc/pm.h
+++ b/include/linux/mmc/pm.h
@@ -23,5 +23,6 @@
 
 #define MMC_PM_KEEP_POWER	(1 << 0)	/* preserve card power during suspend */
 #define MMC_PM_WAKE_SDIO_IRQ	(1 << 1)	/* wake up host system on SDIO IRQ assertion */
+#define MMC_PM_IGNORE_PM_NOTIFY	(1 << 2)	/* ignore mmc pm notify */
 
 #endif /* LINUX_MMC_PM_H */
diff --git a/include/linux/mmu_context.h b/include/linux/mmu_context.h
index 03dee12d..bc4ac3c 100644
--- a/include/linux/mmu_context.h
+++ b/include/linux/mmu_context.h
@@ -14,4 +14,12 @@
 static inline void leave_mm(int cpu) { }
 #endif
 
+/*
+ * CPUs that are capable of running task @p. By default, we assume a sane,
+ * homogeneous system. Must contain at least one active CPU.
+ */
+#ifndef task_cpu_possible_mask
+# define task_cpu_possible_mask(p)	cpu_possible_mask
+#endif
+
 #endif
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index 1a6a9eb..6f30313 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -6,8 +6,11 @@
 #include <linux/spinlock.h>
 #include <linux/mm_types.h>
 #include <linux/mmap_lock.h>
+#include <linux/percpu-rwsem.h>
+#include <linux/slab.h>
 #include <linux/srcu.h>
 #include <linux/interval_tree.h>
+#include <linux/android_kabi.h>
 
 struct mmu_notifier_subscriptions;
 struct mmu_notifier;
@@ -215,6 +218,11 @@
 	 */
 	struct mmu_notifier *(*alloc_notifier)(struct mm_struct *mm);
 	void (*free_notifier)(struct mmu_notifier *subscription);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /*
@@ -234,6 +242,9 @@
 	struct mm_struct *mm;
 	struct rcu_head rcu;
 	unsigned int users;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
@@ -493,9 +504,50 @@
 		__mmu_notifier_invalidate_range(mm, start, end);
 }
 
-static inline void mmu_notifier_subscriptions_init(struct mm_struct *mm)
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+
+static inline bool mmu_notifier_subscriptions_init(struct mm_struct *mm)
+{
+	mm->mmu_notifier_lock = kzalloc(sizeof(struct percpu_rw_semaphore), GFP_KERNEL);
+	if (!mm->mmu_notifier_lock)
+		return false;
+
+	percpu_init_rwsem(mm->mmu_notifier_lock);
+	mm->notifier_subscriptions = NULL;
+
+	return true;
+}
+
+static inline void mmu_notifier_subscriptions_destroy(struct mm_struct *mm)
+{
+	if (mm_has_notifiers(mm))
+		__mmu_notifier_subscriptions_destroy(mm);
+
+	if (in_atomic()) {
+		percpu_rwsem_async_destroy(mm->mmu_notifier_lock);
+	} else {
+		percpu_free_rwsem(mm->mmu_notifier_lock);
+		kfree(mm->mmu_notifier_lock);
+	}
+	mm->mmu_notifier_lock = NULL;
+}
+
+static inline bool mmu_notifier_trylock(struct mm_struct *mm)
+{
+	return percpu_down_read_trylock(mm->mmu_notifier_lock);
+}
+
+static inline void mmu_notifier_unlock(struct mm_struct *mm)
+{
+	percpu_up_read(mm->mmu_notifier_lock);
+}
+
+#else /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
+static inline bool mmu_notifier_subscriptions_init(struct mm_struct *mm)
 {
 	mm->notifier_subscriptions = NULL;
+	return true;
 }
 
 static inline void mmu_notifier_subscriptions_destroy(struct mm_struct *mm)
@@ -504,6 +556,16 @@
 		__mmu_notifier_subscriptions_destroy(mm);
 }
 
+static inline bool mmu_notifier_trylock(struct mm_struct *mm)
+{
+	return true;
+}
+
+static inline void mmu_notifier_unlock(struct mm_struct *mm)
+{
+}
+
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
 
 static inline void mmu_notifier_range_init(struct mmu_notifier_range *range,
 					   enum mmu_notifier_event event,
@@ -718,14 +780,24 @@
 {
 }
 
-static inline void mmu_notifier_subscriptions_init(struct mm_struct *mm)
+static inline bool mmu_notifier_subscriptions_init(struct mm_struct *mm)
 {
+	return true;
 }
 
 static inline void mmu_notifier_subscriptions_destroy(struct mm_struct *mm)
 {
 }
 
+static inline bool mmu_notifier_trylock(struct mm_struct *mm)
+{
+	return true;
+}
+
+static inline void mmu_notifier_unlock(struct mm_struct *mm)
+{
+}
+
 #define mmu_notifier_range_update_to_read_only(r) false
 
 #define ptep_clear_flush_young_notify ptep_clear_flush_young
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index b2e4599..3ddefdc 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -20,6 +20,7 @@
 #include <linux/atomic.h>
 #include <linux/mm_types.h>
 #include <linux/page-flags.h>
+#include <linux/android_kabi.h>
 #include <asm/page.h>
 
 /* Free memory management - zoned buddy allocator.  */
@@ -38,12 +39,12 @@
  */
 #define PAGE_ALLOC_COSTLY_ORDER 3
 
+#define MAX_KSWAPD_THREADS 16
+
 enum migratetype {
 	MIGRATE_UNMOVABLE,
 	MIGRATE_MOVABLE,
 	MIGRATE_RECLAIMABLE,
-	MIGRATE_PCPTYPES,	/* the number of types on the pcp lists */
-	MIGRATE_HIGHATOMIC = MIGRATE_PCPTYPES,
 #ifdef CONFIG_CMA
 	/*
 	 * MIGRATE_CMA migration type is designed to mimic the way
@@ -60,6 +61,8 @@
 	 */
 	MIGRATE_CMA,
 #endif
+	MIGRATE_PCPTYPES, /* the number of types on the pcp lists */
+	MIGRATE_HIGHATOMIC = MIGRATE_PCPTYPES,
 #ifdef CONFIG_MEMORY_ISOLATION
 	MIGRATE_ISOLATE,	/* can't allocate from here */
 #endif
@@ -71,10 +74,16 @@
 
 #ifdef CONFIG_CMA
 #  define is_migrate_cma(migratetype) unlikely((migratetype) == MIGRATE_CMA)
-#  define is_migrate_cma_page(_page) (get_pageblock_migratetype(_page) == MIGRATE_CMA)
+#  define is_migrate_cma_page(_page) ({						\
+	int mt = get_pageblock_migratetype(_page);				\
+	bool ret = (mt == MIGRATE_ISOLATE || mt == MIGRATE_CMA) ? true : false;	\
+	ret;									\
+})
+#  define get_cma_migrate_type() MIGRATE_CMA
 #else
 #  define is_migrate_cma(migratetype) false
 #  define is_migrate_cma_page(_page) false
+#  define get_cma_migrate_type() MIGRATE_MOVABLE
 #endif
 
 static inline bool is_migrate_movable(int mt)
@@ -155,9 +164,7 @@
 	NR_PAGETABLE,		/* used for pagetables */
 	/* Second 128 byte cacheline */
 	NR_BOUNCE,
-#if IS_ENABLED(CONFIG_ZSMALLOC)
 	NR_ZSPAGES,		/* allocated in zsmalloc */
-#endif
 	NR_FREE_CMA_PAGES,
 	NR_VM_ZONE_STAT_ITEMS };
 
@@ -274,6 +281,209 @@
 					 */
 };
 
+#endif /* !__GENERATING_BOUNDS_H */
+
+/*
+ * Evictable pages are divided into multiple generations. The youngest and the
+ * oldest generation numbers, max_seq and min_seq, are monotonically increasing.
+ * They form a sliding window of a variable size [MIN_NR_GENS, MAX_NR_GENS]. An
+ * offset within MAX_NR_GENS, i.e., gen, indexes the LRU list of the
+ * corresponding generation. The gen counter in page->flags stores gen+1 while
+ * a page is on one of lrugen->lists[]. Otherwise it stores 0.
+ *
+ * A page is added to the youngest generation on faulting. The aging needs to
+ * check the accessed bit at least twice before handing this page over to the
+ * eviction. The first check takes care of the accessed bit set on the initial
+ * fault; the second check makes sure this page hasn't been used since then.
+ * This process, AKA second chance, requires a minimum of two generations,
+ * hence MIN_NR_GENS. And to maintain ABI compatibility with the active/inactive
+ * LRU, e.g., /proc/vmstat, these two generations are considered active; the
+ * rest of generations, if they exist, are considered inactive. See
+ * lru_gen_is_active().
+ *
+ * PG_active is always cleared while a page is on one of lrugen->lists[] so that
+ * the aging needs not to worry about it. And it's set again when a page
+ * considered active is isolated for non-reclaiming purposes, e.g., migration.
+ * See lru_gen_add_page() and lru_gen_del_page().
+ *
+ * MAX_NR_GENS is set to 4 so that the multi-gen LRU can support twice the
+ * number of categories of the active/inactive LRU when keeping track of
+ * accesses through page tables. This requires order_base_2(MAX_NR_GENS+1) bits
+ * in page->flags.
+ */
+#define MIN_NR_GENS		2U
+#define MAX_NR_GENS		4U
+
+/*
+ * Each generation is divided into multiple tiers. A page accessed N times
+ * through file descriptors is in tier order_base_2(N). A page in the first tier
+ * (N=0,1) is marked by PG_referenced unless it was faulted in through page
+ * tables or read ahead. A page in any other tier (N>1) is marked by
+ * PG_referenced and PG_workingset. This implies a minimum of two tiers is
+ * supported without using additional bits in page->flags.
+ *
+ * In contrast to moving across generations which requires the LRU lock, moving
+ * across tiers only involves atomic operations on page->flags and therefore
+ * has a negligible cost in the buffered access path. In the eviction path,
+ * comparisons of refaulted/(evicted+protected) from the first tier and the
+ * rest infer whether pages accessed multiple times through file descriptors
+ * are statistically hot and thus worth protecting.
+ *
+ * MAX_NR_TIERS is set to 4 so that the multi-gen LRU can support twice the
+ * number of categories of the active/inactive LRU when keeping track of
+ * accesses through file descriptors. This uses MAX_NR_TIERS-2 spare bits in
+ * page->flags.
+ */
+#define MAX_NR_TIERS		4U
+
+#ifndef __GENERATING_BOUNDS_H
+
+struct lruvec;
+struct page_vma_mapped_walk;
+
+#define LRU_GEN_MASK		((BIT(LRU_GEN_WIDTH) - 1) << LRU_GEN_PGOFF)
+#define LRU_REFS_MASK		((BIT(LRU_REFS_WIDTH) - 1) << LRU_REFS_PGOFF)
+
+#ifdef CONFIG_LRU_GEN
+
+enum {
+	LRU_GEN_ANON,
+	LRU_GEN_FILE,
+};
+
+enum {
+	LRU_GEN_CORE,
+	LRU_GEN_MM_WALK,
+	LRU_GEN_NONLEAF_YOUNG,
+	NR_LRU_GEN_CAPS
+};
+
+#define MIN_LRU_BATCH		BITS_PER_LONG
+#define MAX_LRU_BATCH		(MIN_LRU_BATCH * 64)
+
+/* whether to keep historical stats from evicted generations */
+#ifdef CONFIG_LRU_GEN_STATS
+#define NR_HIST_GENS		MAX_NR_GENS
+#else
+#define NR_HIST_GENS		1U
+#endif
+
+/*
+ * The youngest generation number is stored in max_seq for both anon and file
+ * types as they are aged on an equal footing. The oldest generation numbers are
+ * stored in min_seq[] separately for anon and file types as clean file pages
+ * can be evicted regardless of swap constraints.
+ *
+ * Normally anon and file min_seq are in sync. But if swapping is constrained,
+ * e.g., out of swap space, file min_seq is allowed to advance and leave anon
+ * min_seq behind.
+ *
+ * The number of pages in each generation is eventually consistent and therefore
+ * can be transiently negative when reset_batch_size() is pending.
+ */
+struct lru_gen_struct {
+	/* the aging increments the youngest generation number */
+	unsigned long max_seq;
+	/* the eviction increments the oldest generation numbers */
+	unsigned long min_seq[ANON_AND_FILE];
+	/* the birth time of each generation in jiffies */
+	unsigned long timestamps[MAX_NR_GENS];
+	/* the multi-gen LRU lists, lazily sorted on eviction */
+	struct list_head lists[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
+	/* the multi-gen LRU sizes, eventually consistent */
+	unsigned long nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
+	/* the exponential moving average of refaulted */
+	unsigned long avg_refaulted[ANON_AND_FILE][MAX_NR_TIERS];
+	/* the exponential moving average of evicted+protected */
+	unsigned long avg_total[ANON_AND_FILE][MAX_NR_TIERS];
+	/* the first tier doesn't need protection, hence the minus one */
+	unsigned long protected[NR_HIST_GENS][ANON_AND_FILE][MAX_NR_TIERS - 1];
+	/* can be modified without holding the LRU lock */
+	atomic_long_t evicted[NR_HIST_GENS][ANON_AND_FILE][MAX_NR_TIERS];
+	atomic_long_t refaulted[NR_HIST_GENS][ANON_AND_FILE][MAX_NR_TIERS];
+	/* whether the multi-gen LRU is enabled */
+	bool enabled;
+};
+
+enum {
+	MM_LEAF_TOTAL,		/* total leaf entries */
+	MM_LEAF_OLD,		/* old leaf entries */
+	MM_LEAF_YOUNG,		/* young leaf entries */
+	MM_NONLEAF_TOTAL,	/* total non-leaf entries */
+	MM_NONLEAF_FOUND,	/* non-leaf entries found in Bloom filters */
+	MM_NONLEAF_ADDED,	/* non-leaf entries added to Bloom filters */
+	NR_MM_STATS
+};
+
+/* double-buffering Bloom filters */
+#define NR_BLOOM_FILTERS	2
+
+struct lru_gen_mm_state {
+	/* set to max_seq after each iteration */
+	unsigned long seq;
+	/* where the current iteration continues after */
+	struct list_head *head;
+	/* where the last iteration ended before */
+	struct list_head *tail;
+	/* Unused - keep for ABI compatiiblity */
+	struct wait_queue_head wait;
+	/* Bloom filters flip after each iteration */
+	unsigned long *filters[NR_BLOOM_FILTERS];
+	/* the mm stats for debugging */
+	unsigned long stats[NR_HIST_GENS][NR_MM_STATS];
+	/* Unused - keep for ABI compatiiblity */
+	int nr_walkers;
+};
+
+struct lru_gen_mm_walk {
+	/* the lruvec under reclaim */
+	struct lruvec *lruvec;
+	/* unstable max_seq from lru_gen_struct */
+	unsigned long max_seq;
+	/* the next address within an mm to scan */
+	unsigned long next_addr;
+	/* Unused -- for ABI compatibility */
+	unsigned long bitmap[BITS_TO_LONGS(MIN_LRU_BATCH)];
+	/* to batch promoted pages */
+	int nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES];
+	/* to batch the mm stats */
+	int mm_stats[NR_MM_STATS];
+	/* total batched items */
+	int batched;
+	bool can_swap;
+	bool full_scan;
+};
+
+void lru_gen_init_lruvec(struct lruvec *lruvec);
+void lru_gen_look_around(struct page_vma_mapped_walk *pvmw);
+
+#ifdef CONFIG_MEMCG
+void lru_gen_init_memcg(struct mem_cgroup *memcg);
+void lru_gen_exit_memcg(struct mem_cgroup *memcg);
+#endif
+
+#else /* !CONFIG_LRU_GEN */
+
+static inline void lru_gen_init_lruvec(struct lruvec *lruvec)
+{
+}
+
+static inline void lru_gen_look_around(struct page_vma_mapped_walk *pvmw)
+{
+}
+
+#ifdef CONFIG_MEMCG
+static inline void lru_gen_init_memcg(struct mem_cgroup *memcg)
+{
+}
+
+static inline void lru_gen_exit_memcg(struct mem_cgroup *memcg)
+{
+}
+#endif
+
+#endif /* CONFIG_LRU_GEN */
+
 struct lruvec {
 	struct list_head		lists[NR_LRU_LISTS];
 	/*
@@ -289,9 +499,16 @@
 	unsigned long			refaults[ANON_AND_FILE];
 	/* Various lruvec state flags (enum lruvec_flags) */
 	unsigned long			flags;
+#ifdef CONFIG_LRU_GEN
+	/* evictable pages divided into generations */
+	struct lru_gen_struct		lrugen;
+	/* to concurrently iterate lru_gen_mm_list */
+	struct lru_gen_mm_state		mm_state;
+#endif
 #ifdef CONFIG_MEMCG
 	struct pglist_data *pgdat;
 #endif
+	ANDROID_VENDOR_DATA(1);
 };
 
 /* Isolate unmapped pages */
@@ -337,6 +554,11 @@
 #endif
 };
 
+struct per_cpu_pageset_ext {
+	spinlock_t lock;	/* Protects pageset.pcp.lists field */
+	struct per_cpu_pageset pageset;
+};
+
 struct per_cpu_nodestat {
 	s8 stat_threshold;
 	s8 vm_node_stat_diff[NR_VM_NODE_STAT_ITEMS];
@@ -476,6 +698,9 @@
 	 * bootmem allocator):
 	 *	managed_pages = present_pages - reserved_pages;
 	 *
+	 * cma pages is present pages that are assigned for CMA use
+	 * (MIGRATE_CMA).
+	 *
 	 * So present_pages may be used by memory hotplug or memory power
 	 * management logic to figure out unmanaged pages by checking
 	 * (present_pages - managed_pages). And managed_pages should be used
@@ -500,6 +725,9 @@
 	atomic_long_t		managed_pages;
 	unsigned long		spanned_pages;
 	unsigned long		present_pages;
+#ifdef CONFIG_CMA
+	unsigned long		cma_pages;
+#endif
 
 	const char		*name;
 
@@ -573,6 +801,11 @@
 	/* Zone statistics */
 	atomic_long_t		vm_stat[NR_VM_ZONE_STAT_ITEMS];
 	atomic_long_t		vm_numa_stat[NR_VM_NUMA_STAT_ITEMS];
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } ____cacheline_internodealigned_in_smp;
 
 enum pgdat_flags {
@@ -597,6 +830,15 @@
 	return (unsigned long)atomic_long_read(&zone->managed_pages);
 }
 
+static inline unsigned long zone_cma_pages(struct zone *zone)
+{
+#ifdef CONFIG_CMA
+	return zone->cma_pages;
+#else
+	return 0;
+#endif
+}
+
 static inline unsigned long zone_end_pfn(const struct zone *zone)
 {
 	return zone->zone_start_pfn + zone->spanned_pages;
@@ -749,16 +991,19 @@
 	wait_queue_head_t pfmemalloc_wait;
 	struct task_struct *kswapd;	/* Protected by
 					   mem_hotplug_begin/end() */
+	struct task_struct *mkswapd[MAX_KSWAPD_THREADS];
 	int kswapd_order;
 	enum zone_type kswapd_highest_zoneidx;
 
 	int kswapd_failures;		/* Number of 'reclaimed == 0' runs */
 
+	ANDROID_OEM_DATA(1);
 #ifdef CONFIG_COMPACTION
 	int kcompactd_max_order;
 	enum zone_type kcompactd_highest_zoneidx;
 	wait_queue_head_t kcompactd_wait;
 	struct task_struct *kcompactd;
+	bool proactive_compact_trigger;
 #endif
 	/*
 	 * This is a per-node reserve of pages that are not available
@@ -801,6 +1046,11 @@
 
 	unsigned long		flags;
 
+#ifdef CONFIG_LRU_GEN
+	/* kswap mm walk data */
+	struct lru_gen_mm_walk	mm_walk;
+#endif
+
 	ZONE_PADDING(_pad2_)
 
 	/* Per-node vmstats */
@@ -999,6 +1249,7 @@
 extern struct pglist_data *first_online_pgdat(void);
 extern struct pglist_data *next_online_pgdat(struct pglist_data *pgdat);
 extern struct zone *next_zone(struct zone *zone);
+extern int isolate_anon_lru_page(struct page *page);
 
 /**
  * for_each_online_pgdat - helper macro to iterate over all online nodes
diff --git a/include/linux/module.h b/include/linux/module.h
index 6264617..4cd6d88 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -26,6 +26,8 @@
 #include <linux/tracepoint-defs.h>
 #include <linux/srcu.h>
 #include <linux/static_call_types.h>
+#include <linux/cfi.h>
+#include <linux/android_kabi.h>
 
 #include <linux/percpu.h>
 #include <asm/module.h>
@@ -131,13 +133,17 @@
 #define module_init(initfn)					\
 	static inline initcall_t __maybe_unused __inittest(void)		\
 	{ return initfn; }					\
-	int init_module(void) __copy(initfn) __attribute__((alias(#initfn)));
+	int init_module(void) __copy(initfn) 			\
+		__attribute__((alias(#initfn)));		\
+	__CFI_ADDRESSABLE(init_module)
 
 /* This is only required if you want to be unloadable. */
 #define module_exit(exitfn)					\
 	static inline exitcall_t __maybe_unused __exittest(void)		\
 	{ return exitfn; }					\
-	void cleanup_module(void) __copy(exitfn) __attribute__((alias(#exitfn)));
+	void cleanup_module(void) __copy(exitfn) 		\
+		__attribute__((alias(#exitfn))); 		\
+	__CFI_ADDRESSABLE(cleanup_module)
 
 #endif
 
@@ -287,7 +293,7 @@
  * files require multiple MODULE_FIRMWARE() specifiers */
 #define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
 
-#define MODULE_IMPORT_NS(ns) MODULE_INFO(import_ns, #ns)
+#define MODULE_IMPORT_NS(ns)	MODULE_INFO(import_ns, __stringify(ns))
 
 struct notifier_block;
 
@@ -372,6 +378,7 @@
 	struct module_attribute *modinfo_attrs;
 	const char *version;
 	const char *srcversion;
+	const char *scmversion;
 	struct kobject *holders_dir;
 
 	/* Exported symbols */
@@ -379,6 +386,10 @@
 	const s32 *crcs;
 	unsigned int num_syms;
 
+#ifdef CONFIG_CFI_CLANG
+	cfi_check_fn cfi_check;
+#endif
+
 	/* Kernel parameters. */
 #ifdef CONFIG_SYSFS
 	struct mutex param_lock;
@@ -404,10 +415,12 @@
 	const s32 *unused_gpl_crcs;
 #endif
 
-#ifdef CONFIG_MODULE_SIG
-	/* Signature was verified. */
+	/*
+	 * Signature was verified. Unconditionally compiled in Android to
+	 * preserve ABI compatibility between kernels without module
+	 * signing enabled and signed modules.
+	 */
 	bool sig_ok;
-#endif
 
 	bool async_probe_requested;
 
@@ -534,6 +547,10 @@
 	struct error_injection_entry *ei_funcs;
 	unsigned int num_ei_funcs;
 #endif
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } ____cacheline_aligned __randomize_layout;
 #ifndef MODULE_ARCH_INIT
 #define MODULE_ARCH_INIT {}
diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
index 03476e2..1322652a9 100644
--- a/include/linux/moduleloader.h
+++ b/include/linux/moduleloader.h
@@ -101,7 +101,8 @@
 /* Any cleanup before freeing mod->module_init */
 void module_arch_freeing_init(struct module *mod);
 
-#if defined(CONFIG_KASAN) && !defined(CONFIG_KASAN_VMALLOC)
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+		!defined(CONFIG_KASAN_VMALLOC)
 #include <linux/kasan.h>
 #define MODULE_ALIGN (PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
 #else
diff --git a/include/linux/mount.h b/include/linux/mount.h
index aaf343b..2f64e66 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -16,6 +16,7 @@
 #include <linux/spinlock.h>
 #include <linux/seqlock.h>
 #include <linux/atomic.h>
+#include <linux/android_kabi.h>
 
 struct super_block;
 struct vfsmount;
@@ -72,6 +73,11 @@
 	struct dentry *mnt_root;	/* root of the mounted tree */
 	struct super_block *mnt_sb;	/* pointer to superblock */
 	int mnt_flags;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 struct file; /* forward dec */
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 70c910b..7be00ae 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -201,8 +201,7 @@
 /*
  * The arch hooks to setup up msi irqs. Default functions are implemented
  * as weak symbols so that they /can/ be overriden by architecture specific
- * code if needed. These hooks must be enabled by the architecture or by
- * drivers which depend on them via msi_controller based MSI handling.
+ * code if needed. These hooks can only be enabled by the architecture.
  *
  * If CONFIG_PCI_MSI_ARCH_FALLBACKS is not selected they are replaced by
  * stubs with warnings.
@@ -212,7 +211,6 @@
 void arch_teardown_msi_irq(unsigned int irq);
 int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
 void arch_teardown_msi_irqs(struct pci_dev *dev);
-void default_teardown_msi_irqs(struct pci_dev *dev);
 #else
 static inline int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 {
@@ -233,19 +231,6 @@
 void arch_restore_msi_irqs(struct pci_dev *dev);
 void default_restore_msi_irqs(struct pci_dev *dev);
 
-struct msi_controller {
-	struct module *owner;
-	struct device *dev;
-	struct device_node *of_node;
-	struct list_head list;
-
-	int (*setup_irq)(struct msi_controller *chip, struct pci_dev *dev,
-			 struct msi_desc *desc);
-	int (*setup_irqs)(struct msi_controller *chip, struct pci_dev *dev,
-			  int nvec, int type);
-	void (*teardown_irq)(struct msi_controller *chip, unsigned int irq);
-};
-
 #ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
 
 #include <linux/irqhandler.h>
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index fc41fec..157357e 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -388,8 +388,10 @@
 	/* List of partitions attached to this MTD device */
 	struct list_head partitions;
 
-	struct mtd_part part;
-	struct mtd_master master;
+	union {
+		struct mtd_part part;
+		struct mtd_master master;
+	};
 };
 
 static inline struct mtd_info *mtd_get_master(struct mtd_info *mtd)
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 4d671fb..05165a61 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -19,6 +19,7 @@
 #include <asm/processor.h>
 #include <linux/osq_lock.h>
 #include <linux/debug_locks.h>
+#include <linux/android_vendor.h>
 
 struct ww_acquire_ctx;
 
@@ -63,6 +64,7 @@
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 	struct lockdep_map	dep_map;
 #endif
+	ANDROID_OEM_DATA_ARRAY(1, 2);
 };
 
 struct ww_class;
diff --git a/include/linux/net.h b/include/linux/net.h
index ae713c8..e201a7f 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -23,6 +23,7 @@
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/sockptr.h>
+#include <linux/android_kabi.h>
 
 #include <uapi/linux/net.h>
 
@@ -136,6 +137,8 @@
 
 struct proto_ops {
 	int		family;
+	unsigned int	flags;	// ANDROID - removed in 5.10.162, but remains to
+				// preserve ABI.  It is not used anywhere.
 	struct module	*owner;
 	int		(*release)   (struct socket *sock);
 	int		(*bind)	     (struct socket *sock,
@@ -200,6 +203,11 @@
 	int		(*sendmsg_locked)(struct sock *sk, struct msghdr *msg,
 					  size_t size);
 	int		(*set_rcvlowat)(struct sock *sk, int val);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #define DECLARE_SOCKADDR(type, dst, src)	\
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3380668..8b74d64 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -48,6 +48,7 @@
 #include <uapi/linux/if_bonding.h>
 #include <uapi/linux/pkt_cls.h>
 #include <linux/hashtable.h>
+#include <linux/android_kabi.h>
 
 struct netpoll_info;
 struct device;
@@ -166,38 +167,31 @@
  *	(unsigned long) so they can be read and written atomically.
  */
 
-#define NET_DEV_STAT(FIELD)			\
-	union {					\
-		unsigned long FIELD;		\
-		atomic_long_t __##FIELD;	\
-	}
-
 struct net_device_stats {
-	NET_DEV_STAT(rx_packets);
-	NET_DEV_STAT(tx_packets);
-	NET_DEV_STAT(rx_bytes);
-	NET_DEV_STAT(tx_bytes);
-	NET_DEV_STAT(rx_errors);
-	NET_DEV_STAT(tx_errors);
-	NET_DEV_STAT(rx_dropped);
-	NET_DEV_STAT(tx_dropped);
-	NET_DEV_STAT(multicast);
-	NET_DEV_STAT(collisions);
-	NET_DEV_STAT(rx_length_errors);
-	NET_DEV_STAT(rx_over_errors);
-	NET_DEV_STAT(rx_crc_errors);
-	NET_DEV_STAT(rx_frame_errors);
-	NET_DEV_STAT(rx_fifo_errors);
-	NET_DEV_STAT(rx_missed_errors);
-	NET_DEV_STAT(tx_aborted_errors);
-	NET_DEV_STAT(tx_carrier_errors);
-	NET_DEV_STAT(tx_fifo_errors);
-	NET_DEV_STAT(tx_heartbeat_errors);
-	NET_DEV_STAT(tx_window_errors);
-	NET_DEV_STAT(rx_compressed);
-	NET_DEV_STAT(tx_compressed);
+	unsigned long	rx_packets;
+	unsigned long	tx_packets;
+	unsigned long	rx_bytes;
+	unsigned long	tx_bytes;
+	unsigned long	rx_errors;
+	unsigned long	tx_errors;
+	unsigned long	rx_dropped;
+	unsigned long	tx_dropped;
+	unsigned long	multicast;
+	unsigned long	collisions;
+	unsigned long	rx_length_errors;
+	unsigned long	rx_over_errors;
+	unsigned long	rx_crc_errors;
+	unsigned long	rx_frame_errors;
+	unsigned long	rx_fifo_errors;
+	unsigned long	rx_missed_errors;
+	unsigned long	tx_aborted_errors;
+	unsigned long	tx_carrier_errors;
+	unsigned long	tx_fifo_errors;
+	unsigned long	tx_heartbeat_errors;
+	unsigned long	tx_window_errors;
+	unsigned long	rx_compressed;
+	unsigned long	tx_compressed;
 };
-#undef NET_DEV_STAT
 
 
 #include <linux/cache.h>
@@ -287,6 +281,9 @@
 				const unsigned char *haddr);
 	bool	(*validate)(const char *ll_header, unsigned int len);
 	__be16	(*parse_protocol)(const struct sk_buff *skb);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /* These flag bits are private to the generic network queueing
@@ -356,6 +353,11 @@
 	struct list_head	dev_list;
 	struct hlist_node	napi_hash_node;
 	unsigned int		napi_id;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 enum {
@@ -630,6 +632,11 @@
 #ifdef CONFIG_BQL
 	struct dql		dql;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } ____cacheline_aligned_in_smp;
 
 extern int sysctl_fb_tunnels_only_for_init_net;
@@ -770,6 +777,11 @@
 #ifdef CONFIG_XDP_SOCKETS
 	struct xsk_buff_pool            *pool;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } ____cacheline_aligned_in_smp;
 
 /*
@@ -950,6 +962,11 @@
 	bool	(*xdo_dev_offload_ok) (struct sk_buff *skb,
 				       struct xfrm_state *x);
 	void	(*xdo_dev_state_advance_esn) (struct xfrm_state *x);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #endif
 
@@ -1513,6 +1530,15 @@
 	int			(*ndo_tunnel_ctl)(struct net_device *dev,
 						  struct ip_tunnel_parm *p, int cmd);
 	struct net_device *	(*ndo_get_peer_dev)(struct net_device *dev);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+	ANDROID_KABI_RESERVE(5);
+	ANDROID_KABI_RESERVE(6);
+	ANDROID_KABI_RESERVE(7);
+	ANDROID_KABI_RESERVE(8);
 };
 
 /**
@@ -2195,6 +2221,15 @@
 
 	/* protected by rtnl_lock */
 	struct bpf_xdp_entity	xdp_state[__MAX_XDP_MODE];
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+	ANDROID_KABI_RESERVE(5);
+	ANDROID_KABI_RESERVE(6);
+	ANDROID_KABI_RESERVE(7);
+	ANDROID_KABI_RESERVE(8);
 };
 #define to_net_dev(d) container_of(d, struct net_device, dev)
 
@@ -2568,6 +2603,11 @@
 	struct net		*af_packet_net;
 	void			*af_packet_priv;
 	struct list_head	list;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct offload_callbacks {
@@ -5282,10 +5322,4 @@
 
 extern struct net_device *blackhole_netdev;
 
-/* Note: Avoid these macros in fast path, prefer per-cpu or per-queue counters. */
-#define DEV_STATS_INC(DEV, FIELD) atomic_long_inc(&(DEV)->stats.__##FIELD)
-#define DEV_STATS_ADD(DEV, FIELD, VAL) 	\
-		atomic_long_add((VAL), &(DEV)->stats.__##FIELD)
-#define DEV_STATS_READ(DEV, FIELD) atomic_long_read(&(DEV)->stats.__##FIELD)
-
 #endif	/* _LINUX_NETDEVICE_H */
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 8b229ab..819aace 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -14,6 +14,7 @@
 #include <linux/netfilter_defs.h>
 #include <linux/netdevice.h>
 #include <linux/sockptr.h>
+#include <linux/android_kabi.h>
 #include <net/net_namespace.h>
 
 static inline int NF_DROP_GETERR(int verdict)
@@ -171,6 +172,8 @@
 	int (*get)(struct sock *sk, int optval, void __user *user, int *len);
 	/* Use the module struct to lock set/get code in place */
 	struct module *owner;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* Function to register/unregister hook points. */
@@ -368,6 +371,8 @@
 	unsigned int (*manip_pkt)(struct sk_buff *skb, struct nf_conn *ct,
 				  enum nf_nat_manip_type mtype,
 				  enum ip_conntrack_dir dir);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 extern struct nf_nat_hook __rcu *nf_nat_hook;
@@ -452,6 +457,8 @@
 	void (*destroy)(struct nf_conntrack *);
 	bool (*get_tuple_skb)(struct nf_conntrack_tuple *,
 			      const struct sk_buff *);
+
+	ANDROID_KABI_RESERVE(1);
 };
 extern struct nf_ct_hook __rcu *nf_ct_hook;
 
@@ -469,6 +476,8 @@
 			     u32 portid, u32 report);
 	void (*seq_adjust)(struct sk_buff *skb, struct nf_conn *ct,
 			   enum ip_conntrack_info ctinfo, s32 off);
+
+	ANDROID_KABI_RESERVE(1);
 };
 extern struct nfnl_ct_hook __rcu *nfnl_ct_hook;
 
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 62f7e7e..9696421 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -14,6 +14,7 @@
 #include <linux/netfilter/x_tables.h>
 #include <linux/stringify.h>
 #include <linux/vmalloc.h>
+#include <linux/android_kabi.h>
 #include <net/netlink.h>
 #include <uapi/linux/netfilter/ipset/ip_set.h>
 
@@ -190,6 +191,8 @@
 	bool (*same_set)(const struct ip_set *a, const struct ip_set *b);
 	/* Region-locking is used */
 	bool region_lock;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct ip_set_region {
@@ -231,6 +234,8 @@
 
 	/* Set this to THIS_MODULE if you are a module, otherwise NULL */
 	struct module *me;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* register and unregister set type */
@@ -273,6 +278,8 @@
 	size_t offset[IPSET_EXT_ID_MAX];
 	/* The type specific data */
 	void *data;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline void
diff --git a/include/linux/netfilter/nf_conntrack_sctp.h b/include/linux/netfilter/nf_conntrack_sctp.h
index fb313128..625f491 100644
--- a/include/linux/netfilter/nf_conntrack_sctp.h
+++ b/include/linux/netfilter/nf_conntrack_sctp.h
@@ -9,7 +9,6 @@
 	enum sctp_conntrack state;
 
 	__be32 vtag[IP_CT_DIR_MAX];
-	u8 init[IP_CT_DIR_MAX];
 	u8 last_dir;
 	u8 flags;
 };
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 0518ca7..b38e1dc 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -4,6 +4,7 @@
 
 #include <linux/netlink.h>
 #include <linux/capability.h>
+#include <linux/android_kabi.h>
 #include <net/netlink.h>
 #include <uapi/linux/netfilter/nfnetlink.h>
 
@@ -22,6 +23,8 @@
 			  struct netlink_ext_ack *extack);
 	const struct nla_policy *policy;	/* netlink attribute policy */
 	const u_int16_t attr_count;		/* number of nlattr's */
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 enum nfnl_abort_action {
@@ -40,6 +43,8 @@
 	int (*abort)(struct net *net, struct sk_buff *skb,
 		     enum nfnl_abort_action action);
 	bool (*valid_genid)(struct net *net, u32 genid);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n);
diff --git a/include/linux/netfilter/xt_quota2.h b/include/linux/netfilter/xt_quota2.h
new file mode 100644
index 0000000..a391871
--- /dev/null
+++ b/include/linux/netfilter/xt_quota2.h
@@ -0,0 +1,26 @@
+#ifndef _XT_QUOTA_H
+#define _XT_QUOTA_H
+#include <linux/types.h>
+
+enum xt_quota_flags {
+	XT_QUOTA_INVERT    = 1 << 0,
+	XT_QUOTA_GROW      = 1 << 1,
+	XT_QUOTA_PACKET    = 1 << 2,
+	XT_QUOTA_NO_CHANGE = 1 << 3,
+	XT_QUOTA_MASK      = 0x0F,
+};
+
+struct xt_quota_counter;
+
+struct xt_quota_mtinfo2 {
+	char name[15];
+	u_int8_t flags;
+
+	/* Comparison-invariant */
+	aligned_u64 quota;
+
+	/* Used internally by the kernel */
+	struct xt_quota_counter *master __attribute__((aligned(8)));
+};
+
+#endif /* _XT_QUOTA_H */
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 48314ad..c3d17fe 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -7,6 +7,7 @@
 #ifndef __LINUX_IP6_NETFILTER_H
 #define __LINUX_IP6_NETFILTER_H
 
+#include <linux/android_kabi.h>
 #include <uapi/linux/netfilter_ipv6.h>
 #include <net/tcp.h>
 
@@ -65,6 +66,8 @@
 					 const struct nf_bridge_frag_data *data,
 					 struct sk_buff *));
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #ifdef CONFIG_NETFILTER
diff --git a/include/linux/nls.h b/include/linux/nls.h
index e0bf836..499e486 100644
--- a/include/linux/nls.h
+++ b/include/linux/nls.h
@@ -47,7 +47,7 @@
 /* nls_base.c */
 extern int __register_nls(struct nls_table *, struct module *);
 extern int unregister_nls(struct nls_table *);
-extern struct nls_table *load_nls(const char *charset);
+extern struct nls_table *load_nls(char *);
 extern void unload_nls(struct nls_table *);
 extern struct nls_table *load_nls_default(void);
 #define register_nls(nls) __register_nls((nls), THIS_MODULE)
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 2a63ef0..e88eaa7 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -485,6 +485,7 @@
 #define first_online_node	0
 #define first_memory_node	0
 #define next_online_node(nid)	(MAX_NUMNODES)
+#define next_memory_node(nid)	(MAX_NUMNODES)
 #define nr_node_ids		1U
 #define nr_online_nodes		1U
 
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 5e07f3c..06409a6c4 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -49,7 +49,7 @@
  * @word_size:	Minimum read/write access granularity.
  * @stride:	Minimum read/write access stride.
  * @priv:	User context passed to read/write callbacks.
- * @ignore_wp:  Write Protect pin is managed by the provider.
+ * @wp-gpio:   Write protect pin
  *
  * Note: A default "nvmem<id>" name will be assigned to the device if
  * no name is specified in its configuration. In such case "<id>" is
@@ -63,12 +63,12 @@
 	const char		*name;
 	int			id;
 	struct module		*owner;
+	struct gpio_desc	*wp_gpio;
 	const struct nvmem_cell_info	*cells;
 	int			ncells;
 	enum nvmem_type		type;
 	bool			read_only;
 	bool			root_only;
-	bool			ignore_wp;
 	bool			no_of_node;
 	nvmem_reg_read_t	reg_read;
 	nvmem_reg_write_t	reg_write;
diff --git a/include/linux/of.h b/include/linux/of.h
index 4ed8dce..6b84053 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -108,7 +108,7 @@
 #if defined(CONFIG_OF_KOBJ)
 	kobject_init(&node->kobj, &of_node_ktype);
 #endif
-	node->fwnode.ops = &of_fwnode_ops;
+	fwnode_init(&node->fwnode, &of_fwnode_ops);
 }
 
 #if defined(CONFIG_OF_KOBJ)
@@ -789,6 +789,11 @@
 	return 0;
 }
 
+static inline int of_add_property(struct device_node *np, struct property *prop)
+{
+	return 0;
+}
+
 static inline int of_remove_property(struct device_node *np, struct property *prop)
 {
 	return 0;
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index acf820e..9bbd5c0 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -58,6 +58,27 @@
 extern unsigned long of_get_flat_dt_root(void);
 extern uint32_t of_get_flat_dt_phandle(unsigned long node);
 
+/*
+ * early_init_dt_scan_chosen - scan the device tree for ramdisk and bootargs
+ *
+ * The boot arguments will be placed into the memory pointed to by @data.
+ * That memory should be COMMAND_LINE_SIZE big and initialized to be a valid
+ * (possibly empty) string.  Logic for what will be in @data after this
+ * function finishes:
+ *
+ * - CONFIG_CMDLINE_FORCE=true
+ *     CONFIG_CMDLINE
+ * - CONFIG_CMDLINE_EXTEND=true, @data is non-empty string
+ *     @data + dt bootargs (even if dt bootargs are empty)
+ * - CONFIG_CMDLINE_EXTEND=true, @data is empty string
+ *     CONFIG_CMDLINE + dt bootargs (even if dt bootargs are empty)
+ * - CMDLINE_FROM_BOOTLOADER=true, dt bootargs=non-empty:
+ *     dt bootargs
+ * - CMDLINE_FROM_BOOTLOADER=true, dt bootargs=empty, @data is non-empty string
+ *     @data is left unchanged
+ * - CMDLINE_FROM_BOOTLOADER=true, dt bootargs=empty, @data is empty string
+ *     CONFIG_CMDLINE (or "" if that's not defined)
+ */
 extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
 				     int depth, void *data);
 extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index e8b7813..aaf219b 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -33,8 +33,6 @@
 #endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
 
 extern int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq);
-extern int of_irq_parse_one(struct device_node *device, int index,
-			  struct of_phandle_args *out_irq);
 extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data);
 extern int of_irq_to_resource(struct device_node *dev, int index,
 			      struct resource *r);
@@ -42,6 +40,8 @@
 extern void of_irq_init(const struct of_device_id *matches);
 
 #ifdef CONFIG_OF_IRQ
+extern int of_irq_parse_one(struct device_node *device, int index,
+			  struct of_phandle_args *out_irq);
 extern int of_irq_count(struct device_node *dev);
 extern int of_irq_get(struct device_node *dev, int index);
 extern int of_irq_get_byname(struct device_node *dev, const char *name);
@@ -57,6 +57,11 @@
 extern void of_msi_configure(struct device *dev, struct device_node *np);
 u32 of_msi_map_id(struct device *dev, struct device_node *msi_np, u32 id_in);
 #else
+static inline int of_irq_parse_one(struct device_node *device, int index,
+				   struct of_phandle_args *out_irq)
+{
+	return -EINVAL;
+}
 static inline int of_irq_count(struct device_node *dev)
 {
 	return 0;
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 8cc6522..f56c6a9 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -14,25 +14,9 @@
 
 #if IS_ENABLED(CONFIG_OF_MDIO)
 bool of_mdiobus_child_is_phy(struct device_node *child);
-int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np,
-			  struct module *owner);
-
-static inline int of_mdiobus_register(struct mii_bus *mdio,
-				      struct device_node *np)
-{
-	return __of_mdiobus_register(mdio, np, THIS_MODULE);
-}
-
-int __devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
-			       struct device_node *np, struct module *owner);
-
-static inline int devm_of_mdiobus_register(struct device *dev,
-					   struct mii_bus *mdio,
-					   struct device_node *np)
-{
-	return __devm_of_mdiobus_register(dev, mdio, np, THIS_MODULE);
-}
-
+int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
+int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
+			     struct device_node *np);
 struct mdio_device *of_mdio_find_device(struct device_node *np);
 struct phy_device *of_phy_find_device(struct device_node *phy_np);
 struct phy_device *
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 2db9a14..61f91f9 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -49,6 +49,8 @@
 	unsigned long totalpages;
 	struct task_struct *chosen;
 	long chosen_points;
+	struct task_struct *chosen_non_negative_adj;
+	long chosen_non_negative_adj_points;
 
 	/* Used to print the constraint info. */
 	enum oom_constraint constraint;
@@ -127,4 +129,7 @@
 extern int sysctl_oom_dump_tasks;
 extern int sysctl_oom_kill_allocating_task;
 extern int sysctl_panic_on_oom;
+
+/* call for adding killed process to reaper. */
+extern void add_to_oom_reaper(struct task_struct *p);
 #endif /* _INCLUDE_LINUX_OOM_H */
diff --git a/include/linux/page-flags-layout.h b/include/linux/page-flags-layout.h
index e200eef..7d79818 100644
--- a/include/linux/page-flags-layout.h
+++ b/include/linux/page-flags-layout.h
@@ -21,16 +21,17 @@
 #elif MAX_NR_ZONES <= 8
 #define ZONES_SHIFT 3
 #else
-#error ZONES_SHIFT -- too many zones configured adjust calculation
+#error ZONES_SHIFT "Too many zones configured"
 #endif
 
+#define ZONES_WIDTH		ZONES_SHIFT
+
 #ifdef CONFIG_SPARSEMEM
 #include <asm/sparsemem.h>
-
-/* SECTION_SHIFT	#bits space required to store a section # */
 #define SECTIONS_SHIFT	(MAX_PHYSMEM_BITS - SECTION_SIZE_BITS)
-
-#endif /* CONFIG_SPARSEMEM */
+#else
+#define SECTIONS_SHIFT	0
+#endif
 
 #ifndef BUILD_VDSO32_64
 /*
@@ -54,17 +55,29 @@
 #define SECTIONS_WIDTH		0
 #endif
 
-#define ZONES_WIDTH		ZONES_SHIFT
-
-#if SECTIONS_WIDTH+ZONES_WIDTH+NODES_SHIFT <= BITS_PER_LONG - NR_PAGEFLAGS
+#if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_SHIFT \
+	<= BITS_PER_LONG - NR_PAGEFLAGS
 #define NODES_WIDTH		NODES_SHIFT
-#else
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
+#elif defined(CONFIG_SPARSEMEM_VMEMMAP)
 #error "Vmemmap: No space for nodes field in page flags"
-#endif
+#else
 #define NODES_WIDTH		0
 #endif
 
+/*
+ * Note that this #define MUST have a value so that it can be tested with
+ * the IS_ENABLED() macro.
+ */
+#if NODES_SHIFT != 0 && NODES_WIDTH == 0
+#define NODE_NOT_IN_PAGE_FLAGS	1
+#endif
+
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
+#define KASAN_TAG_WIDTH 8
+#else
+#define KASAN_TAG_WIDTH 0
+#endif
+
 #ifdef CONFIG_NUMA_BALANCING
 #define LAST__PID_SHIFT 8
 #define LAST__PID_MASK  ((1 << LAST__PID_SHIFT)-1)
@@ -77,37 +90,26 @@
 #define LAST_CPUPID_SHIFT 0
 #endif
 
-#ifdef CONFIG_KASAN_SW_TAGS
-#define KASAN_TAG_WIDTH 8
-#else
-#define KASAN_TAG_WIDTH 0
-#endif
-
-#if SECTIONS_WIDTH+ZONES_WIDTH+NODES_SHIFT+LAST_CPUPID_SHIFT+KASAN_TAG_WIDTH \
-	<= BITS_PER_LONG - NR_PAGEFLAGS
+#if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
+	KASAN_TAG_WIDTH + LAST_CPUPID_SHIFT <= BITS_PER_LONG - NR_PAGEFLAGS
 #define LAST_CPUPID_WIDTH LAST_CPUPID_SHIFT
 #else
 #define LAST_CPUPID_WIDTH 0
 #endif
 
-#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH+LAST_CPUPID_WIDTH+KASAN_TAG_WIDTH \
-	> BITS_PER_LONG - NR_PAGEFLAGS
+#if LAST_CPUPID_SHIFT != 0 && LAST_CPUPID_WIDTH == 0
+#define LAST_CPUPID_NOT_IN_PAGE_FLAGS
+#endif
+
+#if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
+	KASAN_TAG_WIDTH + LAST_CPUPID_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
 #error "Not enough bits in page flags"
 #endif
 
-/*
- * We are going to use the flags for the page to node mapping if its in
- * there.  This includes the case where there is no node, so it is implicit.
- * Note that this #define MUST have a value so that it can be tested with
- * the IS_ENABLED() macro.
- */
-#if !(NODES_WIDTH > 0 || NODES_SHIFT == 0)
-#define NODE_NOT_IN_PAGE_FLAGS 1
-#endif
-
-#if defined(CONFIG_NUMA_BALANCING) && LAST_CPUPID_WIDTH == 0
-#define LAST_CPUPID_NOT_IN_PAGE_FLAGS
-#endif
+/* see the comment on MAX_NR_TIERS */
+#define LRU_REFS_WIDTH	min(__LRU_REFS_WIDTH, BITS_PER_LONG - NR_PAGEFLAGS - \
+			    ZONES_WIDTH - LRU_GEN_WIDTH - SECTIONS_WIDTH - \
+			    NODES_WIDTH - KASAN_TAG_WIDTH - LAST_CPUPID_WIDTH)
 
 #endif
 #endif /* _LINUX_PAGE_FLAGS_LAYOUT */
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 4f6ba93..1d2a9a3 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -132,13 +132,16 @@
 #ifdef CONFIG_MEMORY_FAILURE
 	PG_hwpoison,		/* hardware poisoned page. Don't touch */
 #endif
-#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT)
+#if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT)
 	PG_young,
 	PG_idle,
 #endif
 #ifdef CONFIG_64BIT
 	PG_arch_2,
 #endif
+#ifdef CONFIG_KASAN_HW_TAGS
+	PG_skip_kasan_poison,
+#endif
 	__NR_PAGEFLAGS,
 
 	/* Filesystems */
@@ -437,13 +440,19 @@
 #define __PG_HWPOISON 0
 #endif
 
-#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT)
+#if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT)
 TESTPAGEFLAG(Young, young, PF_ANY)
 SETPAGEFLAG(Young, young, PF_ANY)
 TESTCLEARFLAG(Young, young, PF_ANY)
 PAGEFLAG(Idle, idle, PF_ANY)
 #endif
 
+#ifdef CONFIG_KASAN_HW_TAGS
+PAGEFLAG(SkipKASanPoison, skip_kasan_poison, PF_HEAD)
+#else
+PAGEFLAG_FALSE(SkipKASanPoison)
+#endif
+
 /*
  * PageReported() is used to track reported free pages within the Buddy
  * allocator. We can use the non-atomic version of the test and set
@@ -631,43 +640,6 @@
 }
 
 /*
- * PageTransCompoundMap is the same as PageTransCompound, but it also
- * guarantees the primary MMU has the entire compound page mapped
- * through pmd_trans_huge, which in turn guarantees the secondary MMUs
- * can also map the entire compound page. This allows the secondary
- * MMUs to call get_user_pages() only once for each compound page and
- * to immediately map the entire compound page with a single secondary
- * MMU fault. If there will be a pmd split later, the secondary MMUs
- * will get an update through the MMU notifier invalidation through
- * split_huge_pmd().
- *
- * Unlike PageTransCompound, this is safe to be called only while
- * split_huge_pmd() cannot run from under us, like if protected by the
- * MMU notifier, otherwise it may result in page->_mapcount check false
- * positives.
- *
- * We have to treat page cache THP differently since every subpage of it
- * would get _mapcount inc'ed once it is PMD mapped.  But, it may be PTE
- * mapped in the current process so comparing subpage's _mapcount to
- * compound_mapcount to filter out PTE mapped case.
- */
-static inline int PageTransCompoundMap(struct page *page)
-{
-	struct page *head;
-
-	if (!PageTransCompound(page))
-		return 0;
-
-	if (PageAnon(page))
-		return atomic_read(&page->_mapcount) < 0;
-
-	head = compound_head(page);
-	/* File THP is PMD mapped and not PTE mapped */
-	return atomic_read(&page->_mapcount) ==
-	       atomic_read(compound_mapcount_ptr(head));
-}
-
-/*
  * PageTransTail returns true for both transparent huge pages
  * and hugetlbfs pages, so it should only be called when it's known
  * that hugetlbfs pages aren't involved.
@@ -786,7 +758,7 @@
 
 extern bool is_free_buddy_page(struct page *page);
 
-__PAGEFLAG(Isolated, isolated, PF_ANY);
+PAGEFLAG(Isolated, isolated, PF_ANY);
 
 /*
  * If network-based swap is enabled, sl*b must keep track of whether pages
@@ -831,7 +803,7 @@
 	 1UL << PG_private	| 1UL << PG_private_2	|	\
 	 1UL << PG_writeback	| 1UL << PG_reserved	|	\
 	 1UL << PG_slab		| 1UL << PG_active 	|	\
-	 1UL << PG_unevictable	| __PG_MLOCKED)
+	 1UL << PG_unevictable	| __PG_MLOCKED | LRU_GEN_MASK)
 
 /*
  * Flags checked when a page is prepped for return by the page allocator.
@@ -842,7 +814,7 @@
  * alloc-free cycle to prevent from reusing the page.
  */
 #define PAGE_FLAGS_CHECK_AT_PREP	\
-	(((1UL << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON)
+	((((1UL << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON) | LRU_GEN_MASK | LRU_REFS_MASK)
 
 #define PAGE_FLAGS_PRIVATE				\
 	(1UL << PG_private | 1UL << PG_private_2)
diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index 5724580..ccd3ed4 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -44,7 +44,8 @@
  */
 int
 start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
-			 unsigned migratetype, int flags);
+			 unsigned migratetype, int flags,
+			 unsigned long *failed_pfn);
 
 /*
  * Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.
@@ -58,7 +59,7 @@
  * Test all pages in [start_pfn, end_pfn) are isolated or not.
  */
 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
-			int isol_flags);
+			int isol_flags, unsigned long *failed_pfn);
 
 struct page *alloc_migrate_target(struct page *page, unsigned long private);
 
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index cfce186..2e64843 100644
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -19,7 +19,11 @@
 enum page_ext_flags {
 	PAGE_EXT_OWNER,
 	PAGE_EXT_OWNER_ALLOCATED,
-#if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)
+#if defined(CONFIG_PAGE_PINNER)
+	/* page migration failed */
+	PAGE_EXT_PINNER_MIGRATION_FAILED,
+#endif
+#if defined(CONFIG_PAGE_IDLE_FLAG) && !defined(CONFIG_64BIT)
 	PAGE_EXT_YOUNG,
 	PAGE_EXT_IDLE,
 #endif
diff --git a/include/linux/page_idle.h b/include/linux/page_idle.h
index 1e894d3..d8a6aec 100644
--- a/include/linux/page_idle.h
+++ b/include/linux/page_idle.h
@@ -6,7 +6,7 @@
 #include <linux/page-flags.h>
 #include <linux/page_ext.h>
 
-#ifdef CONFIG_IDLE_PAGE_TRACKING
+#ifdef CONFIG_PAGE_IDLE_FLAG
 
 #ifdef CONFIG_64BIT
 static inline bool page_is_young(struct page *page)
@@ -106,7 +106,7 @@
 }
 #endif /* CONFIG_64BIT */
 
-#else /* !CONFIG_IDLE_PAGE_TRACKING */
+#else /* !CONFIG_PAGE_IDLE_FLAG */
 
 static inline bool page_is_young(struct page *page)
 {
@@ -135,6 +135,6 @@
 {
 }
 
-#endif /* CONFIG_IDLE_PAGE_TRACKING */
+#endif /* CONFIG_PAGE_IDLE_FLAG */
 
 #endif /* _LINUX_MM_PAGE_IDLE_H */
diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h
index 3468794..4efb4ae 100644
--- a/include/linux/page_owner.h
+++ b/include/linux/page_owner.h
@@ -5,9 +5,13 @@
 #include <linux/jump_label.h>
 
 #ifdef CONFIG_PAGE_OWNER
+extern bool page_owner_enabled;
 extern struct static_key_false page_owner_inited;
 extern struct page_ext_operations page_owner_ops;
 
+extern struct page_owner *get_page_owner(struct page_ext *page_ext);
+extern depot_stack_handle_t get_page_owner_handle(struct page_ext *page_ext,
+					unsigned long pfn);
 extern void __reset_page_owner(struct page *page, unsigned int order);
 extern void __set_page_owner(struct page *page,
 			unsigned int order, gfp_t gfp_mask);
diff --git a/include/linux/page_pinner.h b/include/linux/page_pinner.h
new file mode 100644
index 0000000..cb29f5c
--- /dev/null
+++ b/include/linux/page_pinner.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_PAGE_PINNER_H
+#define __LINUX_PAGE_PINNER_H
+
+#include <linux/jump_label.h>
+
+#ifdef CONFIG_PAGE_PINNER
+extern struct static_key_false page_pinner_inited;
+extern struct static_key_true failure_tracking;
+extern struct page_ext_operations page_pinner_ops;
+
+extern void __free_page_pinner(struct page *page, unsigned int order);
+void __page_pinner_failure_detect(struct page *page);
+void __page_pinner_put_page(struct page *page);
+
+static inline void free_page_pinner(struct page *page, unsigned int order)
+{
+	if (static_branch_unlikely(&page_pinner_inited))
+		__free_page_pinner(page, order);
+}
+
+static inline void page_pinner_put_page(struct page *page)
+{
+	if (!static_branch_unlikely(&page_pinner_inited))
+		return;
+
+	if (!static_branch_unlikely(&failure_tracking))
+		return;
+
+	__page_pinner_put_page(page);
+}
+
+static inline void page_pinner_failure_detect(struct page *page)
+{
+	if (!static_branch_unlikely(&page_pinner_inited))
+		return;
+
+	if (!static_branch_unlikely(&failure_tracking))
+		return;
+
+	__page_pinner_failure_detect(page);
+}
+#else
+static inline void free_page_pinner(struct page *page, unsigned int order)
+{
+}
+static inline void page_pinner_put_page(struct page *page)
+{
+}
+static inline void page_pinner_failure_detect(struct page *page)
+{
+}
+#endif /* CONFIG_PAGE_PINNER */
+#endif /* __LINUX_PAGE_PINNER_H */
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index fcb3f04..27d22bb 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -15,6 +15,7 @@
 #include <linux/bitops.h>
 #include <linux/hardirq.h> /* for in_interrupt() */
 #include <linux/hugetlb_inline.h>
+#include <linux/sched/debug.h>
 
 struct pagevec;
 
@@ -295,10 +296,7 @@
 	return __page_cache_alloc(mapping_gfp_mask(x));
 }
 
-static inline gfp_t readahead_gfp_mask(struct address_space *x)
-{
-	return mapping_gfp_mask(x) | __GFP_NORETRY | __GFP_NOWARN;
-}
+gfp_t readahead_gfp_mask(struct address_space *x);
 
 typedef int filler_t(void *, struct page *);
 
@@ -555,8 +553,8 @@
 	pgoff_t pgoff;
 	if (unlikely(is_vm_hugetlb_page(vma)))
 		return linear_hugepage_index(vma, address);
-	pgoff = (address - vma->vm_start) >> PAGE_SHIFT;
-	pgoff += vma->vm_pgoff;
+	pgoff = (address - READ_ONCE(vma->vm_start)) >> PAGE_SHIFT;
+	pgoff += READ_ONCE(vma->vm_pgoff);
 	return pgoff;
 }
 
@@ -604,7 +602,7 @@
 /*
  * lock_page may only be called if we have the page's inode pinned.
  */
-static inline void lock_page(struct page *page)
+static inline __sched void lock_page(struct page *page)
 {
 	might_sleep();
 	if (!trylock_page(page))
@@ -616,7 +614,7 @@
  * signals.  It returns 0 if it locked the page and -EINTR if it was
  * killed while waiting.
  */
-static inline int lock_page_killable(struct page *page)
+static inline __sched int lock_page_killable(struct page *page)
 {
 	might_sleep();
 	if (!trylock_page(page))
@@ -632,7 +630,7 @@
  * Returns 0 if the page is locked successfully, or -EIOCBQUEUED if the page
  * was already locked and the callback defined in 'wait' was queued.
  */
-static inline int lock_page_async(struct page *page,
+static inline __sched int lock_page_async(struct page *page,
 				  struct wait_page_queue *wait)
 {
 	if (!trylock_page(page))
@@ -647,7 +645,7 @@
  * Return value and mmap_lock implications depend on flags; see
  * __lock_page_or_retry().
  */
-static inline int lock_page_or_retry(struct page *page, struct mm_struct *mm,
+static inline __sched int lock_page_or_retry(struct page *page, struct mm_struct *mm,
 				     unsigned int flags)
 {
 	might_sleep();
@@ -668,13 +666,13 @@
  * ie with increased "page->count" so that the page won't
  * go away during the wait..
  */
-static inline void wait_on_page_locked(struct page *page)
+static inline __sched void wait_on_page_locked(struct page *page)
 {
 	if (PageLocked(page))
 		wait_on_page_bit(compound_head(page), PG_locked);
 }
 
-static inline int wait_on_page_locked_killable(struct page *page)
+static inline __sched int wait_on_page_locked_killable(struct page *page)
 {
 	if (!PageLocked(page))
 		return 0;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 550e1cd..57f83e8 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -41,6 +41,7 @@
 #include <uapi/linux/pci.h>
 
 #include <linux/pci_ids.h>
+#include <linux/android_kabi.h>
 
 #define PCI_STATUS_ERROR_BITS (PCI_STATUS_DETECTED_PARITY  | \
 			       PCI_STATUS_SIG_SYSTEM_ERROR | \
@@ -502,6 +503,11 @@
 	char		*driver_override; /* Driver name to force a match */
 
 	unsigned long	priv_flags;	/* Private flags for the PCI driver */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
@@ -536,10 +542,8 @@
 	int (*map_irq)(const struct pci_dev *, u8, u8);
 	void (*release_fn)(struct pci_host_bridge *);
 	void		*release_data;
-	struct msi_controller *msi;
 	unsigned int	ignore_reset_delay:1;	/* For entire hierarchy */
 	unsigned int	no_ext_tags:1;		/* No Extended Tags */
-	unsigned int	no_inc_mrrs:1;		/* No Increase MRRS */
 	unsigned int	native_aer:1;		/* OS may use PCIe AER */
 	unsigned int	native_pcie_hotplug:1;	/* OS may use PCIe hotplug */
 	unsigned int	native_shpc_hotplug:1;	/* OS may use SHPC hotplug */
@@ -548,6 +552,7 @@
 	unsigned int	native_dpc:1;		/* OS may use PCIe DPC */
 	unsigned int	preserve_config:1;	/* Preserve FW resource setup */
 	unsigned int	size_windows:1;		/* Enable root bus sizing */
+	unsigned int	msi_domain:1;		/* Bridge wants MSI domain */
 
 	/* Resource alignment requirements */
 	resource_size_t (*align_resource)(struct pci_dev *dev,
@@ -555,6 +560,10 @@
 			resource_size_t start,
 			resource_size_t size,
 			resource_size_t align);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
 	unsigned long	private[] ____cacheline_aligned;
 };
 
@@ -618,7 +627,6 @@
 	struct resource busn_res;	/* Bus numbers routed to this bus */
 
 	struct pci_ops	*ops;		/* Configuration access functions */
-	struct msi_controller *msi;	/* MSI controller */
 	void		*sysdata;	/* Hook for sys-specific extension */
 	struct proc_dir_entry *procdir;	/* Directory entry in /proc/bus/pci */
 
@@ -639,7 +647,11 @@
 	struct bin_attribute	*legacy_io;	/* Legacy I/O for this bus */
 	struct bin_attribute	*legacy_mem;	/* Legacy mem */
 	unsigned int		is_added:1;
-	unsigned int		unsafe_warn:1;	/* warned about RW1C config write */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #define to_pci_bus(n)	container_of(n, struct pci_bus, dev)
@@ -738,6 +750,8 @@
 	void __iomem *(*map_bus)(struct pci_bus *bus, unsigned int devfn, int where);
 	int (*read)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
 	int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
@@ -813,6 +827,8 @@
 
 	/* Device driver may resume normal operations */
 	void (*resume)(struct pci_dev *dev);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 
@@ -873,6 +889,11 @@
 	const struct attribute_group **groups;
 	struct device_driver	driver;
 	struct pci_dynids	dynids;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #define	to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
@@ -1925,19 +1946,28 @@
 };
 
 #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
-#define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,	\
-				    class_shift, hook)			\
-	__ADDRESSABLE(hook)						\
+#define ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,	\
+				    class_shift, hook, stub)		\
+	void __cficanonical stub(struct pci_dev *dev);			\
+	void __cficanonical stub(struct pci_dev *dev)			\
+	{ 								\
+		hook(dev); 						\
+	}								\
 	asm(".section "	#sec ", \"a\"				\n"	\
 	    ".balign	16					\n"	\
 	    ".short "	#vendor ", " #device "			\n"	\
 	    ".long "	#class ", " #class_shift "		\n"	\
-	    ".long "	#hook " - .				\n"	\
+	    ".long "	#stub " - .				\n"	\
 	    ".previous						\n");
+
+#define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,	\
+				  class_shift, hook, stub)		\
+	___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,	\
+				  class_shift, hook, stub)
 #define DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,	\
 				  class_shift, hook)			\
 	__DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,	\
-				  class_shift, hook)
+				  class_shift, hook, __UNIQUE_ID(hook))
 #else
 /* Anonymous variables would be nice... */
 #define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, class,	\
@@ -2314,6 +2344,7 @@
 struct device_node;
 struct irq_domain;
 struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus);
+bool pci_host_of_has_msi_map(struct device *dev);
 
 /* Arch may override this (weak) */
 struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus);
@@ -2321,6 +2352,7 @@
 #else	/* CONFIG_OF */
 static inline struct irq_domain *
 pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }
+static inline bool pci_host_of_has_msi_map(struct device *dev) { return false; }
 #endif  /* CONFIG_OF */
 
 static inline struct device_node *
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 1a41147..b855ec2 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2427,6 +2427,8 @@
 #define PCI_VENDOR_ID_LENOVO		0x17aa
 
 #define PCI_VENDOR_ID_QCOM		0x17cb
+#define PCIE_DEVICE_ID_QCOM_PCIE20	0x0106
+#define PCIE_DEVICE_ID_QCOM_PCIE30	0x0107
 
 #define PCI_VENDOR_ID_CDNS		0x17cd
 
diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h
index 5fda40f..bf1668f 100644
--- a/include/linux/percpu-rwsem.h
+++ b/include/linux/percpu-rwsem.h
@@ -13,7 +13,14 @@
 	struct rcu_sync		rss;
 	unsigned int __percpu	*read_count;
 	struct rcuwait		writer;
-	wait_queue_head_t	waiters;
+	/*
+	 * destroy_list_entry is used during object destruction when waiters
+	 * can't be used, therefore reusing the same space.
+	 */
+	union {
+		wait_queue_head_t	waiters;
+		struct list_head	destroy_list_entry;
+	};
 	atomic_t		block;
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 	struct lockdep_map	dep_map;
@@ -127,8 +134,12 @@
 extern int __percpu_init_rwsem(struct percpu_rw_semaphore *,
 				const char *, struct lock_class_key *);
 
+/* Can't be called in atomic context. */
 extern void percpu_free_rwsem(struct percpu_rw_semaphore *);
 
+/* Invokes percpu_free_rwsem and frees the semaphore from a worker thread. */
+extern void percpu_rwsem_async_destroy(struct percpu_rw_semaphore *sem);
+
 #define percpu_init_rwsem(sem)					\
 ({								\
 	static struct lock_class_key rwsem_key;			\
diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h
index 5054802..2512e2f 100644
--- a/include/linux/perf/arm_pmu.h
+++ b/include/linux/perf/arm_pmu.h
@@ -163,6 +163,12 @@
 static inline int arm_pmu_acpi_probe(armpmu_init_fn init_fn) { return 0; }
 #endif
 
+#ifdef CONFIG_KVM
+void kvm_host_pmu_init(struct arm_pmu *pmu);
+#else
+#define kvm_host_pmu_init(x)	do { } while(0)
+#endif
+
 /* Internal functions only for core arm_pmu code */
 struct arm_pmu *armpmu_alloc(void);
 struct arm_pmu *armpmu_alloc_atomic(void);
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 3b038a2..93dffe2f 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -659,7 +659,6 @@
 	/* The cumulative AND of all event_caps for events in this group. */
 	int				group_caps;
 
-	unsigned int			group_generation;
 	struct perf_event		*group_leader;
 	struct pmu			*pmu;
 	void				*pmu_private;
@@ -744,8 +743,6 @@
 	struct pid_namespace		*ns;
 	u64				id;
 
-	atomic64_t			lost_samples;
-
 	u64				(*clock)(void);
 	perf_overflow_handler_t		overflow_handler;
 	void				*overflow_handler_context;
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index f924468..b9f492e 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -194,7 +194,7 @@
 #endif
 
 #ifndef __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG)
 static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma,
 					    unsigned long address,
 					    pmd_t *pmdp)
@@ -215,7 +215,7 @@
 	BUILD_BUG();
 	return 0;
 }
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG */
 #endif
 
 #ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
@@ -241,6 +241,19 @@
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 #endif
 
+#ifndef arch_has_hw_pte_young
+/*
+ * Return whether the accessed bit is supported on the local CPU.
+ *
+ * This stub assumes accessing through an old PTE triggers a page fault.
+ * Architectures that automatically set the access bit should overwrite it.
+ */
+static inline bool arch_has_hw_pte_young(void)
+{
+	return false;
+}
+#endif
+
 #ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR
 static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
 				       unsigned long address,
@@ -1264,6 +1277,17 @@
 #endif
 }
 
+/*
+ * the ordering of these checks is important for pmds with _page_devmap set.
+ * if we check pmd_trans_unstable() first we will trip the bad_pmd() check
+ * inside of pmd_none_or_trans_huge_or_clear_bad(). this will end up correctly
+ * returning 1 but not before it spams dmesg with the pmd_clear_bad() output.
+ */
+static inline int pmd_devmap_trans_unstable(pmd_t *pmd)
+{
+	return pmd_devmap(*pmd) || pmd_trans_unstable(pmd);
+}
+
 #ifndef CONFIG_NUMA_BALANCING
 /*
  * Technically a PTE can be PROTNONE even when not doing NUMA balancing but
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 08725a26..afeda1c 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -27,6 +27,7 @@
 #include <linux/irqreturn.h>
 #include <linux/iopoll.h>
 #include <linux/refcount.h>
+#include <linux/android_kabi.h>
 
 #include <linux/atomic.h>
 
@@ -645,6 +646,11 @@
 	/* MACsec management functions */
 	const struct macsec_ops *macsec_ops;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #define to_phy_device(d) container_of(to_mdio_device(d), \
 				      struct phy_device, mdio)
@@ -875,6 +881,9 @@
 	int (*get_sqi)(struct phy_device *dev);
 	/** @get_sqi_max: Get the maximum signal quality indication */
 	int (*get_sqi_max)(struct phy_device *dev);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 #define to_phy_driver(d) container_of(to_mdio_common_driver(d),		\
 				      struct phy_driver, mdiodrv)
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ef236db..b4fa787 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -71,7 +71,7 @@
 	unsigned int files;
 	unsigned int r_counter;
 	unsigned int w_counter;
-	bool poll_usage;
+	unsigned int poll_usage;
 	struct page *tmp_page;
 	struct fasync_struct *fasync_readers;
 	struct fasync_struct *fasync_writers;
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index e7a83b0..a829a76 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -11,6 +11,7 @@
 #define _PLATFORM_DEVICE_H_
 
 #include <linux/device.h>
+#include <linux/android_kabi.h>
 
 #define PLATFORM_DEVID_NONE	(-1)
 #define PLATFORM_DEVID_AUTO	(-2)
@@ -34,13 +35,16 @@
 	 * Driver name to force a match.  Do not set directly, because core
 	 * frees it.  Use driver_set_override() to set or clear it.
 	 */
-	const char *driver_override;
+	char *driver_override;
 
 	/* MFD cell pointer */
 	struct mfd_cell *mfd_cell;
 
 	/* arch specific additions */
 	struct pdev_archdata	archdata;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 #define platform_get_device_id(pdev)	((pdev)->id_entry)
@@ -98,6 +102,8 @@
 		u64 dma_mask;
 
 		const struct property_entry *properties;
+
+		ANDROID_KABI_RESERVE(1);
 };
 extern struct platform_device *platform_device_register_full(
 		const struct platform_device_info *pdevinfo);
@@ -210,6 +216,8 @@
 	struct device_driver driver;
 	const struct platform_device_id *id_table;
 	bool prevent_deferred_probe;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #define to_platform_driver(drv)	(container_of((drv), struct platform_driver, \
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 52d9724..8b174a8 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -15,6 +15,7 @@
 #include <linux/timer.h>
 #include <linux/hrtimer.h>
 #include <linux/completion.h>
+#include <linux/android_kabi.h>
 
 /*
  * Callbacks for platform drivers to implement.
@@ -299,6 +300,8 @@
 	int (*runtime_suspend)(struct device *dev);
 	int (*runtime_resume)(struct device *dev);
 	int (*runtime_idle)(struct device *dev);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #ifdef CONFIG_PM_SLEEP
@@ -621,6 +624,9 @@
 	struct pm_subsys_data	*subsys_data;  /* Owned by the subsystem. */
 	void (*set_latency_tolerance)(struct device *, s32);
 	struct dev_pm_qos	*qos;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 extern int dev_pm_get_subsys_data(struct device *dev);
@@ -647,6 +653,8 @@
 	int (*activate)(struct device *dev);
 	void (*sync)(struct device *dev);
 	void (*dismiss)(struct device *dev);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 1ad0ec4..ca060c3 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -9,6 +9,7 @@
 #define _LINUX_PM_DOMAIN_H
 
 #include <linux/device.h>
+#include <linux/ktime.h>
 #include <linux/mutex.h>
 #include <linux/pm.h>
 #include <linux/err.h>
@@ -55,6 +56,10 @@
  *
  * GENPD_FLAG_RPM_ALWAYS_ON:	Instructs genpd to always keep the PM domain
  *				powered on except for system suspend.
+ *
+ * GENPD_FLAG_MIN_RESIDENCY:	Enable the genpd governor to consider its
+ *				components' next wakeup when determining the
+ *				optimal idle state.
  */
 #define GENPD_FLAG_PM_CLK	 (1U << 0)
 #define GENPD_FLAG_IRQ_SAFE	 (1U << 1)
@@ -62,6 +67,7 @@
 #define GENPD_FLAG_ACTIVE_WAKEUP (1U << 3)
 #define GENPD_FLAG_CPU_DOMAIN	 (1U << 4)
 #define GENPD_FLAG_RPM_ALWAYS_ON (1U << 5)
+#define GENPD_FLAG_MIN_RESIDENCY (1U << 6)
 
 enum gpd_status {
 	GENPD_STATE_ON = 0,	/* PM domain is on */
@@ -129,6 +135,7 @@
 				     unsigned int state);
 	struct gpd_dev_ops dev_ops;
 	s64 max_off_time_ns;	/* Maximum allowed "suspended" time. */
+	ktime_t next_wakeup;	/* Maintained by the domain governor */
 	bool max_off_time_changed;
 	bool cached_power_down_ok;
 	bool cached_power_down_state_idx;
@@ -191,6 +198,7 @@
 	struct notifier_block *power_nb;
 	int cpu;
 	unsigned int performance_state;
+	ktime_t	next_wakeup;
 	void *data;
 };
 
@@ -217,6 +225,7 @@
 int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state);
 int dev_pm_genpd_add_notifier(struct device *dev, struct notifier_block *nb);
 int dev_pm_genpd_remove_notifier(struct device *dev);
+void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next);
 
 extern struct dev_power_governor simple_qos_governor;
 extern struct dev_power_governor pm_domain_always_on_gov;
@@ -275,16 +284,19 @@
 	return -ENOTSUPP;
 }
 
+static inline void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next)
+{ }
+
 #define simple_qos_governor		(*(struct dev_power_governor *)(NULL))
 #define pm_domain_always_on_gov		(*(struct dev_power_governor *)(NULL))
 #endif
 
 #ifdef CONFIG_PM_GENERIC_DOMAINS_SLEEP
-void pm_genpd_syscore_poweroff(struct device *dev);
-void pm_genpd_syscore_poweron(struct device *dev);
+void dev_pm_genpd_suspend(struct device *dev);
+void dev_pm_genpd_resume(struct device *dev);
 #else
-static inline void pm_genpd_syscore_poweroff(struct device *dev) {}
-static inline void pm_genpd_syscore_poweron(struct device *dev) {}
+static inline void dev_pm_genpd_suspend(struct device *dev) {}
+static inline void dev_pm_genpd_resume(struct device *dev) {}
 #endif
 
 /* OF PM domain providers */
diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 4a69d4a..200841b9 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -93,6 +93,7 @@
 	enum freq_qos_req_type type;
 	struct plist_node pnode;
 	struct freq_constraints *qos;
+	ANDROID_OEM_DATA_ARRAY(1, 2);
 };
 
 
diff --git a/include/linux/poison.h b/include/linux/poison.h
index dc8ae5d..aff1c92 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -27,11 +27,7 @@
 #define TIMER_ENTRY_STATIC	((void *) 0x300 + POISON_POINTER_DELTA)
 
 /********** mm/page_poison.c **********/
-#ifdef CONFIG_PAGE_POISONING_ZERO
-#define PAGE_POISON 0x00
-#else
 #define PAGE_POISON 0xaa
-#endif
 
 /********** mm/page_alloc.c ************/
 
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index e6fe2f5..400b313 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -17,6 +17,7 @@
 #include <linux/leds.h>
 #include <linux/spinlock.h>
 #include <linux/notifier.h>
+#include <linux/android_kabi.h>
 
 /*
  * All voltages, currents, charges, energies, time and temperatures in uV,
@@ -49,6 +50,12 @@
 	POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE,	/* dynamically adjusted speed */
 	POWER_SUPPLY_CHARGE_TYPE_CUSTOM,	/* use CHARGE_CONTROL_* props */
 	POWER_SUPPLY_CHARGE_TYPE_LONGLIFE,	/* slow speed, longer life */
+
+	/*
+	 * force to 50 to minimize the chances of userspace binary
+	 * incompatibility on newer upstream kernels
+	 */
+	POWER_SUPPLY_CHARGE_TYPE_TAPER = 50,	/* charging in CV phase */
 };
 
 enum {
@@ -227,6 +234,8 @@
 
 	char **supplied_to;
 	size_t num_supplicants;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* Description of power supply */
@@ -268,6 +277,8 @@
 	bool no_thermal;
 	/* For APM emulation, think legacy userspace. */
 	int use_for_apm;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct power_supply {
@@ -309,6 +320,8 @@
 	struct led_trigger *charging_blink_full_solid_trig;
 	char *charging_blink_full_solid_trig_name;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
@@ -376,6 +389,8 @@
 	int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX];
 	struct power_supply_resistance_temp_table *resist_table;
 	int resist_table_size;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 extern struct atomic_notifier_head power_supply_notifier;
@@ -386,12 +401,22 @@
 #ifdef CONFIG_OF
 extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
 							const char *property);
+extern int power_supply_get_by_phandle_array(struct device_node *np,
+					     const char *property,
+					     struct power_supply **psy,
+					     ssize_t size);
 extern struct power_supply *devm_power_supply_get_by_phandle(
 				    struct device *dev, const char *property);
 #else /* !CONFIG_OF */
 static inline struct power_supply *
 power_supply_get_by_phandle(struct device_node *np, const char *property)
 { return NULL; }
+static inline int
+power_supply_get_by_phandle_array(struct device_node *np,
+				  const char *property,
+				  struct power_supply **psy,
+				  int size)
+{ return 0; }
 static inline struct power_supply *
 devm_power_supply_get_by_phandle(struct device *dev, const char *property)
 { return NULL; }
@@ -427,9 +452,16 @@
 extern int power_supply_get_property(struct power_supply *psy,
 			    enum power_supply_property psp,
 			    union power_supply_propval *val);
+#if IS_ENABLED(CONFIG_POWER_SUPPLY)
 extern int power_supply_set_property(struct power_supply *psy,
 			    enum power_supply_property psp,
 			    const union power_supply_propval *val);
+#else
+static inline int power_supply_set_property(struct power_supply *psy,
+			    enum power_supply_property psp,
+			    const union power_supply_propval *val)
+{ return 0; }
+#endif
 extern int power_supply_property_is_writeable(struct power_supply *psy,
 					enum power_supply_property psp);
 extern void power_supply_external_power_changed(struct power_supply *psy);
diff --git a/include/linux/printk.h b/include/linux/printk.h
index 344f6da..46194f7 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -206,6 +206,7 @@
 __printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...);
 void dump_stack_print_info(const char *log_lvl);
 void show_regs_print_info(const char *log_lvl);
+extern asmlinkage void dump_stack_lvl(const char *log_lvl) __cold;
 extern asmlinkage void dump_stack(void) __cold;
 extern void printk_safe_flush(void);
 extern void printk_safe_flush_on_panic(void);
@@ -269,6 +270,10 @@
 {
 }
 
+static inline void dump_stack_lvl(const char *log_lvl)
+{
+}
+
 static inline void dump_stack(void)
 {
 }
diff --git a/include/linux/property.h b/include/linux/property.h
index 2d45426..7d4bda4 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -85,9 +85,12 @@
 struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);
 struct fwnode_handle *fwnode_get_next_parent(
 	struct fwnode_handle *fwnode);
+struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode);
 unsigned int fwnode_count_parents(const struct fwnode_handle *fwn);
 struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn,
 					    unsigned int depth);
+bool fwnode_is_ancestor_of(struct fwnode_handle *test_ancestor,
+				  struct fwnode_handle *test_child);
 struct fwnode_handle *fwnode_get_next_child_node(
 	const struct fwnode_handle *fwnode, struct fwnode_handle *child);
 struct fwnode_handle *fwnode_get_next_available_child_node(
@@ -485,4 +488,7 @@
 			    const struct fwnode_handle *parent);
 void fwnode_remove_software_node(struct fwnode_handle *fwnode);
 
+int device_add_software_node(struct device *dev, const struct software_node *node);
+void device_remove_software_node(struct device *dev);
+
 #endif /* _LINUX_PROPERTY_H_ */
diff --git a/include/linux/psci.h b/include/linux/psci.h
index 2a1bfb8..4ca0060 100644
--- a/include/linux/psci.h
+++ b/include/linux/psci.h
@@ -34,6 +34,15 @@
 
 extern struct psci_operations psci_ops;
 
+struct psci_0_1_function_ids {
+	u32 cpu_suspend;
+	u32 cpu_on;
+	u32 cpu_off;
+	u32 migrate;
+};
+
+struct psci_0_1_function_ids get_psci_0_1_function_ids(void);
+
 #if defined(CONFIG_ARM_PSCI_FW)
 int __init psci_dt_init(void);
 #else
diff --git a/include/linux/psi_types.h b/include/linux/psi_types.h
index 17d74f6..541b458 100644
--- a/include/linux/psi_types.h
+++ b/include/linux/psi_types.h
@@ -154,6 +154,7 @@
 	struct timer_list poll_timer;
 	wait_queue_head_t poll_wait;
 	atomic_t poll_wakeup;
+	atomic_t poll_scheduled;
 
 	/* Protects data used by the monitor */
 	struct mutex trigger_lock;
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index e97a818..eb93a54 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -14,7 +14,7 @@
 #include <linux/errno.h>
 #include <linux/kmsg_dump.h>
 #include <linux/mutex.h>
-#include <linux/spinlock.h>
+#include <linux/semaphore.h>
 #include <linux/time.h>
 #include <linux/types.h>
 
@@ -87,7 +87,7 @@
  * @owner:	module which is responsible for this backend driver
  * @name:	name of the backend driver
  *
- * @buf_lock:	spinlock to serialize access to @buf
+ * @buf_lock:	semaphore to serialize access to @buf
  * @buf:	preallocated crash dump buffer
  * @bufsize:	size of @buf available for crash dump bytes (must match
  *		smallest number of bytes available for writing to a
@@ -178,7 +178,7 @@
 	struct module	*owner;
 	const char	*name;
 
-	spinlock_t	buf_lock;
+	struct semaphore buf_lock;
 	char		*buf;
 	size_t		bufsize;
 
diff --git a/include/linux/ptp_kvm.h b/include/linux/ptp_kvm.h
new file mode 100644
index 0000000..f960a71
--- /dev/null
+++ b/include/linux/ptp_kvm.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Virtual PTP 1588 clock for use with KVM guests
+ *
+ * Copyright (C) 2017 Red Hat Inc.
+ */
+
+#ifndef _PTP_KVM_H_
+#define _PTP_KVM_H_
+
+struct timespec64;
+struct clocksource;
+
+int kvm_arch_ptp_init(void);
+int kvm_arch_ptp_get_clock(struct timespec64 *ts);
+int kvm_arch_ptp_get_crosststamp(u64 *cycle,
+		struct timespec64 *tspec, struct clocksource **cs);
+
+#endif /* _PTP_KVM_H_ */
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index c0cf661..b48b228 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -5,6 +5,7 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
+#include <linux/android_kabi.h>
 
 struct pwm_capture;
 struct seq_file;
@@ -48,6 +49,17 @@
 	PWMF_EXPORTED = 1,
 };
 
+/**
+ * enum pwm_output_type - output type of the PWM signal
+ * @PWM_OUTPUT_FIXED: PWM output is fixed until a change request
+ * @PWM_OUTPUT_MODULATED: PWM output is modulated in hardware
+ * autonomously with a predefined pattern
+ */
+enum pwm_output_type {
+	PWM_OUTPUT_FIXED = 1 << 0,
+	PWM_OUTPUT_MODULATED = 1 << 1,
+};
+
 /*
  * struct pwm_state - state of a PWM channel
  * @period: PWM period (in nanoseconds)
@@ -59,6 +71,7 @@
 	u64 period;
 	u64 duty_cycle;
 	enum pwm_polarity polarity;
+	enum pwm_output_type output_type;
 	bool enabled;
 };
 
@@ -85,6 +98,8 @@
 	struct pwm_args args;
 	struct pwm_state state;
 	struct pwm_state last;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -146,6 +161,16 @@
 	return state.polarity;
 }
 
+static inline enum pwm_output_type pwm_get_output_type(
+		const struct pwm_device *pwm)
+{
+	struct pwm_state state;
+
+	pwm_get_state(pwm, &state);
+
+	return state.output_type;
+}
+
 static inline void pwm_get_args(const struct pwm_device *pwm,
 				struct pwm_args *args)
 {
@@ -249,6 +274,7 @@
  * @get_state: get the current PWM state. This function is only
  *	       called once per PWM device when the PWM chip is
  *	       registered.
+ * @get_output_type_supported: get the supported output type of this PWM
  * @owner: helps prevent removal of modules exporting active PWMs
  * @config: configure duty cycles and period length for this PWM
  * @set_polarity: configure the polarity of this PWM
@@ -264,6 +290,8 @@
 		     const struct pwm_state *state);
 	void (*get_state)(struct pwm_chip *chip, struct pwm_device *pwm,
 			  struct pwm_state *state);
+	int (*get_output_type_supported)(struct pwm_chip *chip,
+			struct pwm_device *pwm);
 	struct module *owner;
 
 	/* Only used by legacy drivers */
@@ -273,6 +301,8 @@
 			    enum pwm_polarity polarity);
 	int (*enable)(struct pwm_chip *chip, struct pwm_device *pwm);
 	void (*disable)(struct pwm_chip *chip, struct pwm_device *pwm);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -299,6 +329,8 @@
 	/* only used internally by the PWM framework */
 	struct list_head list;
 	struct pwm_device *pwms;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -319,6 +351,24 @@
 int pwm_adjust_config(struct pwm_device *pwm);
 
 /**
+ * pwm_get_output_type_supported() - obtain output type of a PWM device.
+ * @pwm: PWM device
+ *
+ * Returns:  output type supported by the PWM device
+ */
+static inline int pwm_get_output_type_supported(struct pwm_device *pwm)
+{
+	if (!pwm)
+		return -EINVAL;
+
+	if (pwm->chip->ops->get_output_type_supported)
+		return pwm->chip->ops->get_output_type_supported(pwm->chip,
+				pwm);
+
+	return PWM_OUTPUT_FIXED;
+}
+
+/**
  * pwm_config() - change a PWM device configuration
  * @pwm: PWM device
  * @duty_ns: "on" time (in nanoseconds)
@@ -436,6 +486,11 @@
 	return -ENOTSUPP;
 }
 
+static inline int pwm_get_output_type_supported(struct pwm_device *pwm)
+{
+	return -EINVAL;
+}
+
 static inline int pwm_config(struct pwm_device *pwm, int duty_ns,
 			     int period_ns)
 {
diff --git a/include/linux/quota.h b/include/linux/quota.h
index b93cb93..17a67cf 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -318,6 +318,9 @@
 	int (*commit_dqblk)(struct dquot *dquot);	/* Write structure for one user */
 	int (*release_dqblk)(struct dquot *dquot);	/* Called when last reference to dquot is being dropped */
 	int (*get_next_id)(struct super_block *sb, struct kqid *qid);	/* Get next ID with existing structure in the quota file */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /* Operations working with dquots */
@@ -337,6 +340,9 @@
 	int (*get_inode_usage) (struct inode *, qsize_t *);
 	/* Get next ID with active quota structure */
 	int (*get_next_id) (struct super_block *sb, struct kqid *qid);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct path;
@@ -440,6 +446,9 @@
 	int (*set_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
 	int (*get_state)(struct super_block *, struct qc_state *);
 	int (*rm_xquota)(struct super_block *, unsigned int);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct quota_format_type {
diff --git a/include/linux/random.h b/include/linux/random.h
index ed2bac6..5fdd133 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -12,7 +12,7 @@
 
 struct notifier_block;
 
-void add_device_randomness(const void *buf, size_t len);
+void add_device_randomness(const void *buf, unsigned int len);
 void add_bootloader_randomness(const void *buf, size_t len);
 void add_input_randomness(unsigned int type, unsigned int code,
 			  unsigned int value) __latent_entropy;
@@ -28,8 +28,8 @@
 #endif
 }
 
-void get_random_bytes(void *buf, size_t len);
-size_t __must_check get_random_bytes_arch(void *buf, size_t len);
+void get_random_bytes(void *buf, int len);
+int __must_check get_random_bytes_arch(void *buf, int len);
 u32 get_random_u32(void);
 u64 get_random_u64(void);
 static inline unsigned int get_random_int(void)
@@ -138,4 +138,17 @@
 extern const struct file_operations random_fops, urandom_fops;
 #endif
 
+/*
+ * Android KABI fixups
+ * Added back the following structure and calls to preserve the ABI for
+ * out-of-tree drivers that were using them.
+ */
+struct random_ready_callback {
+	struct list_head list;
+	void (*func)(struct random_ready_callback *rdy);
+	struct module *owner;
+};
+extern int add_random_ready_callback(struct random_ready_callback *rdy);
+extern void del_random_ready_callback(struct random_ready_callback *rdy);
+
 #endif /* _LINUX_RANDOM_H */
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index e7834d9..751ca38 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -19,6 +19,7 @@
 #include <linux/lockdep.h>
 #include <linux/iopoll.h>
 #include <linux/fwnode.h>
+#include <linux/android_kabi.h>
 
 struct module;
 struct clk;
@@ -401,6 +402,8 @@
 	unsigned int hwlock_mode;
 
 	bool can_sleep;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -438,6 +441,8 @@
 	/* Data window (per each page) */
 	unsigned int window_start;
 	unsigned int window_len;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct regmap_async;
@@ -514,6 +519,8 @@
 	enum regmap_endian val_format_endian_default;
 	size_t max_raw_read;
 	size_t max_raw_write;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 633e7a2..4d73dc5 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -17,6 +17,7 @@
 #include <linux/notifier.h>
 #include <linux/regulator/consumer.h>
 #include <linux/ww_mutex.h>
+#include <linux/android_kabi.h>
 
 struct gpio_desc;
 struct regmap;
@@ -202,6 +203,8 @@
 	int (*resume)(struct regulator_dev *rdev);
 
 	int (*set_pull_down) (struct regulator_dev *);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
@@ -223,6 +226,8 @@
  * @name: Identifying name for the regulator.
  * @supply_name: Identifying the regulator supply
  * @of_match: Name used to identify regulator in DT.
+ * @of_match_full_name: A flag to indicate that the of_match string, if
+ *			present, should be matched against the node full_name.
  * @regulators_node: Name of node containing regulator definitions in DT.
  * @of_parse_cb: Optional callback called only if of_match is present.
  *               Will be called for each regulator parsed from DT, during
@@ -314,6 +319,7 @@
 	const char *name;
 	const char *supply_name;
 	const char *of_match;
+	bool of_match_full_name;
 	const char *regulators_node;
 	int (*of_parse_cb)(struct device_node *,
 			    const struct regulator_desc *,
@@ -370,10 +376,6 @@
 	unsigned int pull_down_reg;
 	unsigned int pull_down_mask;
 	unsigned int pull_down_val_on;
-	unsigned int ramp_reg;
-	unsigned int ramp_mask;
-	const unsigned int *ramp_delay_table;
-	unsigned int n_ramp_values;
 
 	unsigned int enable_time;
 
@@ -382,6 +384,8 @@
 	unsigned int poll_enabled_time;
 
 	unsigned int (*of_map_mode)(unsigned int mode);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -474,6 +478,8 @@
 
 	/* time when this regulator was disabled last time */
 	unsigned long last_off_jiffy;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct regulator_dev *
@@ -536,7 +542,6 @@
 				       int min_uA, int max_uA);
 int regulator_get_current_limit_regmap(struct regulator_dev *rdev);
 void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
-int regulator_set_ramp_delay_regmap(struct regulator_dev *rdev, int ramp_delay);
 
 /*
  * Helper functions intended to be used by regulator drivers prior registering
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 3fa3ba6..25621ff 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -315,6 +315,7 @@
 /**
  * struct rproc_mem_entry - memory entry descriptor
  * @va:	virtual address
+ * @is_iomem: io memory
  * @dma: dma address
  * @len: length, in bytes
  * @da: device address
@@ -329,6 +330,7 @@
  */
 struct rproc_mem_entry {
 	void *va;
+	bool is_iomem;
 	dma_addr_t dma;
 	size_t len;
 	u32 da;
@@ -375,6 +377,7 @@
  * @get_boot_addr:	get boot address to entry point specified in firmware
  * @panic:	optional callback to react to system panic, core will delay
  *		panic at least the returned number of milliseconds
+ * @coredump:	  collect firmware dump after the subsystem is shutdown
  */
 struct rproc_ops {
 	int (*prepare)(struct rproc *rproc);
@@ -383,7 +386,7 @@
 	int (*stop)(struct rproc *rproc);
 	int (*attach)(struct rproc *rproc);
 	void (*kick)(struct rproc *rproc, int vqid);
-	void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len);
+	void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len, bool *is_iomem);
 	int (*parse_fw)(struct rproc *rproc, const struct firmware *fw);
 	int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc,
 			  int offset, int avail);
@@ -393,6 +396,7 @@
 	int (*sanity_check)(struct rproc *rproc, const struct firmware *fw);
 	u64 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw);
 	unsigned long (*panic)(struct rproc *rproc);
+	void (*coredump)(struct rproc *rproc);
 };
 
 /**
@@ -654,6 +658,11 @@
 int rproc_boot(struct rproc *rproc);
 void rproc_shutdown(struct rproc *rproc);
 void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type);
+
+/* from remoteproc_coredump.c */
+void rproc_coredump_cleanup(struct rproc *rproc);
+void rproc_coredump(struct rproc *rproc);
+void rproc_coredump_using_sections(struct rproc *rproc);
 int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size);
 int rproc_coredump_add_custom_segment(struct rproc *rproc,
 				      dma_addr_t da, size_t size,
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 297744e..82ee948 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -38,16 +38,7 @@
 	 */
 	atomic_t refcount;
 
-	/*
-	 * Count of child anon_vmas. Equals to the count of all anon_vmas that
-	 * have ->parent pointing to this one, including itself.
-	 *
-	 * This counter is used for making decision about reusing anon_vma
-	 * instead of forking new one. See comments in function anon_vma_clone.
-	 */
-	unsigned long num_children;
-	/* Count of VMAs whose ->anon_vma pointer points to this object. */
-	unsigned long num_active_vmas;
+	unsigned degree;		/* ANDROID: KABI preservation, DO NOT USE! */
 
 	struct anon_vma *parent;	/* Parent of this anon_vma */
 
@@ -62,6 +53,25 @@
 
 	/* Interval tree of private "related" vmas */
 	struct rb_root_cached rb_root;
+
+	/*
+	 * ANDROID: KABI preservation, it's safe to put these at the end of this structure as it's
+	 * only passed by a pointer everywhere, the size and internal structures are local to the
+	 * core kernel.
+	 */
+#ifndef __GENKSYMS__
+	/*
+	 * Count of child anon_vmas. Equals to the count of all anon_vmas that
+	 * have ->parent pointing to this one, including itself.
+	 *
+	 * This counter is used for making decision about reusing anon_vma
+	 * instead of forking new one. See comments in function anon_vma_clone.
+	 */
+	unsigned long num_children;
+	/* Count of VMAs whose ->anon_vma pointer points to this object. */
+	unsigned long num_active_vmas;
+#endif
+
 };
 
 /*
@@ -133,6 +143,11 @@
 	down_read(&anon_vma->root->rwsem);
 }
 
+static inline int anon_vma_trylock_read(struct anon_vma *anon_vma)
+{
+	return down_read_trylock(&anon_vma->root->rwsem);
+}
+
 static inline void anon_vma_unlock_read(struct anon_vma *anon_vma)
 {
 	up_read(&anon_vma->root->rwsem);
@@ -177,8 +192,16 @@
 		unsigned long, bool);
 void do_page_add_anon_rmap(struct page *, struct vm_area_struct *,
 			   unsigned long, int);
-void page_add_new_anon_rmap(struct page *, struct vm_area_struct *,
-		unsigned long, bool);
+void __page_add_new_anon_rmap(struct page *page, struct vm_area_struct *vma,
+			      unsigned long address, bool compound);
+static inline void page_add_new_anon_rmap(struct page *page,
+					  struct vm_area_struct *vma,
+					  unsigned long address, bool compound)
+{
+	VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
+	__page_add_new_anon_rmap(page, vma, address, compound);
+}
+
 void page_add_file_rmap(struct page *, bool);
 void page_remove_rmap(struct page *, bool);
 
@@ -247,17 +270,14 @@
 
 void remove_migration_ptes(struct page *old, struct page *new, bool locked);
 
-/*
- * Called by memory-failure.c to kill processes.
- */
-struct anon_vma *page_lock_anon_vma_read(struct page *page);
-void page_unlock_anon_vma_read(struct anon_vma *anon_vma);
 int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma);
 
 /*
  * rmap_walk_control: To control rmap traversing for specific needs
  *
  * arg: passed to rmap_one() and invalid_vma()
+ * try_lock: bail out if the rmap lock is contended
+ * contended: indicate the rmap traversal bailed out due to lock contention
  * rmap_one: executed on each vma where page is mapped
  * done: for checking traversing termination condition
  * anon_lock: for getting anon_lock by optimized way rather than default
@@ -265,6 +285,8 @@
  */
 struct rmap_walk_control {
 	void *arg;
+	bool try_lock;
+	bool contended;
 	/*
 	 * Return false if page table scanning in rmap_walk should be stopped.
 	 * Otherwise, return true.
@@ -272,13 +294,21 @@
 	bool (*rmap_one)(struct page *page, struct vm_area_struct *vma,
 					unsigned long addr, void *arg);
 	int (*done)(struct page *page);
-	struct anon_vma *(*anon_lock)(struct page *page);
+	struct anon_vma *(*anon_lock)(struct page *page,
+				      struct rmap_walk_control *rwc);
 	bool (*invalid_vma)(struct vm_area_struct *vma, void *arg);
 };
 
 void rmap_walk(struct page *page, struct rmap_walk_control *rwc);
 void rmap_walk_locked(struct page *page, struct rmap_walk_control *rwc);
 
+/*
+ * Called by memory-failure.c to kill processes.
+ */
+struct anon_vma *page_lock_anon_vma_read(struct page *page,
+					 struct rmap_walk_control *rwc);
+void page_unlock_anon_vma_read(struct anon_vma *anon_vma);
+
 #else	/* !CONFIG_MMU */
 
 #define anon_vma_init()		do {} while (0)
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index 267533f..7e2a4f2 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -2,6 +2,7 @@
 /*
  * Remote processor messaging
  *
+ * Copyright (c) 2020 The Linux Foundation.
  * Copyright (C) 2011 Texas Instruments, Inc.
  * Copyright (C) 2011 Google, Inc.
  * All rights reserved.
@@ -52,7 +53,7 @@
 struct rpmsg_device {
 	struct device dev;
 	struct rpmsg_device_id id;
-	const char *driver_override;
+	char *driver_override;
 	u32 src;
 	u32 dst;
 	struct rpmsg_endpoint *ept;
@@ -62,6 +63,7 @@
 };
 
 typedef int (*rpmsg_rx_cb_t)(struct rpmsg_device *, void *, int, void *, u32);
+typedef int (*rpmsg_rx_sig_t)(struct rpmsg_device *, void *, u32, u32);
 
 /**
  * struct rpmsg_endpoint - binds a local rpmsg address to its user
@@ -69,6 +71,7 @@
  * @refcount: when this drops to zero, the ept is deallocated
  * @cb: rx callback handler
  * @cb_lock: must be taken before accessing/changing @cb
+ * @sig_cb: rx serial signal handler
  * @addr: local rpmsg address
  * @priv: private data for the driver's use
  *
@@ -91,6 +94,7 @@
 	struct kref refcount;
 	rpmsg_rx_cb_t cb;
 	struct mutex cb_lock;
+	rpmsg_rx_sig_t sig_cb;
 	u32 addr;
 	void *priv;
 
@@ -104,6 +108,7 @@
  * @probe: invoked when a matching rpmsg channel (i.e. device) is found
  * @remove: invoked when the rpmsg channel is removed
  * @callback: invoked when an inbound message is received on the channel
+ * @signals: invoked when a serial signal change is received on the channel
  */
 struct rpmsg_driver {
 	struct device_driver drv;
@@ -111,6 +116,8 @@
 	int (*probe)(struct rpmsg_device *dev);
 	void (*remove)(struct rpmsg_device *dev);
 	int (*callback)(struct rpmsg_device *, void *, int, void *, u32);
+	int (*signals)(struct rpmsg_device *rpdev,
+		       void *priv, u32 old, u32 new);
 };
 
 #if IS_ENABLED(CONFIG_RPMSG)
@@ -139,6 +146,9 @@
 __poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp,
 			poll_table *wait);
 
+int rpmsg_get_signals(struct rpmsg_endpoint *ept);
+int rpmsg_set_signals(struct rpmsg_endpoint *ept, u32 set, u32 clear);
+
 #else
 
 static inline int rpmsg_register_device_override(struct rpmsg_device *rpdev,
@@ -252,6 +262,23 @@
 	return 0;
 }
 
+static inline int rpmsg_get_signals(struct rpmsg_endpoint *ept)
+{
+	/* This shouldn't be possible */
+	WARN_ON(1);
+
+	return -ENXIO;
+}
+
+static inline int rpmsg_set_signals(struct rpmsg_endpoint *ept,
+				    u32 set, u32 clear)
+{
+	/* This shouldn't be possible */
+	WARN_ON(1);
+
+	return -ENXIO;
+}
+
 #endif /* IS_ENABLED(CONFIG_RPMSG) */
 
 /* use a macro to avoid include chaining to get THIS_MODULE */
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 22d1575..d517703 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -16,6 +16,7 @@
 #include <linux/types.h>
 #include <linux/interrupt.h>
 #include <linux/nvmem-provider.h>
+#include <linux/android_kabi.h>
 #include <uapi/linux/rtc.h>
 
 extern int rtc_month_days(unsigned int month, unsigned int year);
@@ -66,6 +67,8 @@
 	int (*alarm_irq_enable)(struct device *, unsigned int enabled);
 	int (*read_offset)(struct device *, long *offset);
 	int (*set_offset)(struct device *, long offset);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct rtc_device;
@@ -140,6 +143,8 @@
 	unsigned int uie_task_active:1;
 	unsigned int uie_timer_active:1;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 #define to_rtc_device(d) container_of(d, struct rtc_device, dev)
 
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 4c715be..e851cd5 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -19,6 +19,7 @@
 #ifdef CONFIG_RWSEM_SPIN_ON_OWNER
 #include <linux/osq_lock.h>
 #endif
+#include <linux/android_vendor.h>
 
 /*
  * For an uncontended rwsem, count and owner are the only fields a task
@@ -51,6 +52,21 @@
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 	struct lockdep_map	dep_map;
 #endif
+	ANDROID_VENDOR_DATA(1);
+	ANDROID_OEM_DATA_ARRAY(1, 2);
+};
+
+enum rwsem_waiter_type {
+	RWSEM_WAITING_FOR_WRITE,
+	RWSEM_WAITING_FOR_READ
+};
+
+struct rwsem_waiter {
+	struct list_head list;
+	struct task_struct *task;
+	enum rwsem_waiter_type type;
+	unsigned long timeout;
+	unsigned long last_rowner;
 };
 
 /* In all implementations count != 0 means locked */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index aa01541..f894094 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -34,6 +34,8 @@
 #include <linux/rseq.h>
 #include <linux/seqlock.h>
 #include <linux/kcsan.h>
+#include <linux/android_vendor.h>
+#include <linux/android_kabi.h>
 
 /* task_struct member predeclarations (sorted alphabetically): */
 struct audit_context;
@@ -492,6 +494,11 @@
 	 */
 	struct sched_avg		avg;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct sched_rt_entity {
@@ -510,6 +517,11 @@
 	/* rq "owned" by this entity/group: */
 	struct rt_rq			*my_q;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 struct sched_dl_entity {
@@ -713,6 +725,10 @@
 	struct uclamp_se		uclamp[UCLAMP_CNT];
 #endif
 
+#ifdef CONFIG_HOTPLUG_CPU
+	struct list_head		percpu_kthread_node;
+#endif
+
 #ifdef CONFIG_PREEMPT_NOTIFIERS
 	/* List of struct preempt_notifier: */
 	struct hlist_head		preempt_notifiers;
@@ -815,6 +831,10 @@
 #ifdef CONFIG_MEMCG
 	unsigned			in_user_fault:1;
 #endif
+#ifdef CONFIG_LRU_GEN
+	/* whether the LRU algorithm may apply to this access */
+	unsigned			in_lru_fault:1;
+#endif
 #ifdef CONFIG_COMPAT_BRK
 	unsigned			brk_randomized:1;
 #endif
@@ -885,9 +905,6 @@
 	/* CLONE_CHILD_CLEARTID: */
 	int __user			*clear_child_tid;
 
-	/* PF_IO_WORKER */
-	void				*pf_io_worker;
-
 	u64				utime;
 	u64				stime;
 #ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
@@ -895,6 +912,10 @@
 	u64				stimescaled;
 #endif
 	u64				gtime;
+#ifdef CONFIG_CPU_FREQ_TIMES
+	u64				*time_in_state;
+	unsigned int			max_state;
+#endif
 	struct prev_cputime		prev_cputime;
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
 	struct vtime			vtime;
@@ -1006,6 +1027,7 @@
 	raw_spinlock_t			pi_lock;
 
 	struct wake_q_node		wake_q;
+	int				wake_q_count;
 
 #ifdef CONFIG_RT_MUTEXES
 	/* PI waiters blocked on a rt_mutex held by this task: */
@@ -1226,7 +1248,7 @@
 	u64				timer_slack_ns;
 	u64				default_timer_slack_ns;
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	unsigned int			kasan_depth;
 #endif
 
@@ -1324,7 +1346,6 @@
 	int				pagefault_disabled;
 #ifdef CONFIG_MMU
 	struct task_struct		*oom_reaper_list;
-	struct timer_list		oom_reaper_timer;
 #endif
 #ifdef CONFIG_VMAP_STACK
 	struct vm_struct		*stack_vm_area;
@@ -1356,6 +1377,19 @@
 	struct callback_head		mce_kill_me;
 	int				mce_count;
 #endif
+	ANDROID_VENDOR_DATA_ARRAY(1, 64);
+	ANDROID_OEM_DATA_ARRAY(1, 32);
+
+	/* PF_IO_WORKER */
+	ANDROID_KABI_USE(1, void *pf_io_worker);
+
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+	ANDROID_KABI_RESERVE(5);
+	ANDROID_KABI_RESERVE(6);
+	ANDROID_KABI_RESERVE(7);
+	ANDROID_KABI_RESERVE(8);
 
 	/*
 	 * New fields for task_struct should be added above here, so that
@@ -1657,12 +1691,23 @@
 }
 
 extern int cpuset_cpumask_can_shrink(const struct cpumask *cur, const struct cpumask *trial);
+
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+extern bool cpupri_check_rt(void);
+#else
+static inline bool cpupri_check_rt(void)
+{
+	return false;
+}
+#endif
+
 extern int task_can_attach(struct task_struct *p);
 extern int dl_bw_alloc(int cpu, u64 dl_bw);
 extern void dl_bw_free(int cpu, u64 dl_bw);
 #ifdef CONFIG_SMP
 extern void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask);
 extern int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask);
+extern void force_compatible_cpus_allowed_ptr(struct task_struct *p);
 #else
 static inline void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
 {
@@ -1958,6 +2003,11 @@
 #define TASK_SIZE_OF(tsk)	TASK_SIZE
 #endif
 
+#ifdef CONFIG_SMP
+/* Returns effective CPU energy utilization, as seen by the scheduler */
+unsigned long sched_cpu_util(int cpu, unsigned long max);
+#endif /* CONFIG_SMP */
+
 #ifdef CONFIG_RSEQ
 
 /*
diff --git a/include/linux/sched/hotplug.h b/include/linux/sched/hotplug.h
index 9a62ffd..89fb9b0 100644
--- a/include/linux/sched/hotplug.h
+++ b/include/linux/sched/hotplug.h
@@ -8,7 +8,11 @@
 
 extern int sched_cpu_starting(unsigned int cpu);
 extern int sched_cpu_activate(unsigned int cpu);
+extern int sched_cpus_activate(struct cpumask *cpus);
 extern int sched_cpu_deactivate(unsigned int cpu);
+extern int sched_cpus_deactivate_nosync(struct cpumask *cpus);
+extern int sched_cpu_drain_rq(unsigned int cpu);
+extern void sched_cpu_drain_rq_wait(unsigned int cpu);
 
 #ifdef CONFIG_HOTPLUG_CPU
 extern int sched_cpu_dying(unsigned int cpu);
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 2c63401..fb0b389 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -12,6 +12,7 @@
 #include <linux/posix-timers.h>
 #include <linux/mm_types.h>
 #include <asm/ptrace.h>
+#include <linux/android_kabi.h>
 
 /*
  * Types defining task->signal and task->sighand and APIs using them:
@@ -125,7 +126,7 @@
 #ifdef CONFIG_POSIX_TIMERS
 
 	/* POSIX.1b Interval Timers */
-	unsigned int		next_posix_timer_id;
+	int			posix_timer_id;
 	struct list_head	posix_timers;
 
 	/* ITIMER_REAL timer for the process */
@@ -235,6 +236,11 @@
 						 * and may have inconsistent
 						 * permissions.
 						 */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 } __randomize_layout;
 
 /*
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index 3c31ba8..581ee79 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -92,6 +92,13 @@
 int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
 		size_t *lenp, loff_t *ppos);
 
+#ifdef CONFIG_SMP
+extern unsigned int sysctl_sched_pelt_multiplier;
+
+int sched_pelt_multiplier(struct ctl_table *table, int write, void *buffer,
+		size_t *lenp, loff_t *ppos);
+#endif
+
 #if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
 extern unsigned int sysctl_sched_energy_aware;
 int sched_energy_aware_handler(struct ctl_table *table, int write,
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index de21a45..99d4557 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -56,8 +56,8 @@
 extern void init_idle(struct task_struct *idle, int cpu);
 
 extern int sched_fork(unsigned long clone_flags, struct task_struct *p);
-extern void sched_post_fork(struct task_struct *p,
-			    struct kernel_clone_args *kargs);
+extern void sched_cgroup_fork(struct task_struct *p, struct kernel_clone_args *kargs);
+extern void sched_post_fork(struct task_struct *p);
 extern void sched_dead(struct task_struct *p);
 
 void __noreturn do_task_dead(void);
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index 9ef7bf6..1734633 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -3,6 +3,8 @@
 #define _LINUX_SCHED_TOPOLOGY_H
 
 #include <linux/topology.h>
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
 
 #include <linux/sched/idle.h>
 
@@ -74,6 +76,8 @@
 	atomic_t	ref;
 	atomic_t	nr_busy_cpus;
 	int		has_idle_cores;
+
+	ANDROID_VENDOR_DATA(1);
 };
 
 struct sched_domain {
@@ -143,6 +147,10 @@
 	struct sched_domain_shared *shared;
 
 	unsigned int span_weight;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
 	/*
 	 * Span of all CPUs in this domain.
 	 *
diff --git a/include/linux/sched/user.h b/include/linux/sched/user.h
index a8ec3b6..6d63a526 100644
--- a/include/linux/sched/user.h
+++ b/include/linux/sched/user.h
@@ -6,6 +6,7 @@
 #include <linux/atomic.h>
 #include <linux/refcount.h>
 #include <linux/ratelimit.h>
+#include <linux/android_kabi.h>
 
 /*
  * Some day this will be a full-fledged user tracking system..
@@ -42,6 +43,10 @@
 
 	/* Miscellaneous per-user rate limit */
 	struct ratelimit_state ratelimit;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_OEM_DATA_ARRAY(1, 2);
 };
 
 extern int uids_sysfs_init(void);
diff --git a/include/linux/sched/wake_q.h b/include/linux/sched/wake_q.h
index 26a2013..1e05e56 100644
--- a/include/linux/sched/wake_q.h
+++ b/include/linux/sched/wake_q.h
@@ -38,6 +38,7 @@
 struct wake_q_head {
 	struct wake_q_node *first;
 	struct wake_q_node **lastp;
+	int count;
 };
 
 #define WAKE_Q_TAIL ((struct wake_q_node *) 0x01)
@@ -49,6 +50,7 @@
 {
 	head->first = WAKE_Q_TAIL;
 	head->lastp = &head->first;
+	head->count = 0;
 }
 
 static inline bool wake_q_empty(struct wake_q_head *head)
diff --git a/include/linux/sched/xacct.h b/include/linux/sched/xacct.h
index c078f0a..9544c9d 100644
--- a/include/linux/sched/xacct.h
+++ b/include/linux/sched/xacct.h
@@ -28,6 +28,11 @@
 {
 	tsk->ioac.syscw++;
 }
+
+static inline void inc_syscfs(struct task_struct *tsk)
+{
+	tsk->ioac.syscfs++;
+}
 #else
 static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
 {
@@ -44,6 +49,10 @@
 static inline void inc_syscw(struct task_struct *tsk)
 {
 }
+
+static inline void inc_syscfs(struct task_struct *tsk)
+{
+}
 #endif
 
 #endif /* _LINUX_SCHED_XACCT_H */
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index 9cd312a..57d23fa 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -8,9 +8,11 @@
 #ifndef _LINUX_SCMI_PROTOCOL_H
 #define _LINUX_SCMI_PROTOCOL_H
 
+#include <linux/bitfield.h>
 #include <linux/device.h>
 #include <linux/notifier.h>
 #include <linux/types.h>
+#include <linux/android_kabi.h>
 
 #define SCMI_MAX_STR_SIZE	16
 #define SCMI_MAX_NUM_RATES	16
@@ -56,9 +58,11 @@
 };
 
 struct scmi_handle;
+struct scmi_device;
+struct scmi_protocol_handle;
 
 /**
- * struct scmi_clk_ops - represents the various operations provided
+ * struct scmi_clk_proto_ops - represents the various operations provided
  *	by SCMI Clock Protocol
  *
  * @count_get: get the count of clocks provided by SCMI
@@ -68,21 +72,23 @@
  * @enable: enables the specified clock
  * @disable: disables the specified clock
  */
-struct scmi_clk_ops {
-	int (*count_get)(const struct scmi_handle *handle);
+struct scmi_clk_proto_ops {
+	int (*count_get)(const struct scmi_protocol_handle *ph);
 
 	const struct scmi_clock_info *(*info_get)
-		(const struct scmi_handle *handle, u32 clk_id);
-	int (*rate_get)(const struct scmi_handle *handle, u32 clk_id,
+		(const struct scmi_protocol_handle *ph, u32 clk_id);
+	int (*rate_get)(const struct scmi_protocol_handle *ph, u32 clk_id,
 			u64 *rate);
-	int (*rate_set)(const struct scmi_handle *handle, u32 clk_id,
+	int (*rate_set)(const struct scmi_protocol_handle *ph, u32 clk_id,
 			u64 rate);
-	int (*enable)(const struct scmi_handle *handle, u32 clk_id);
-	int (*disable)(const struct scmi_handle *handle, u32 clk_id);
+	int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id);
+	int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
- * struct scmi_perf_ops - represents the various operations provided
+ * struct scmi_perf_proto_ops - represents the various operations provided
  *	by SCMI Performance Protocol
  *
  * @limits_set: sets limits on the performance level of a domain
@@ -99,32 +105,35 @@
  * @est_power_get: gets the estimated power cost for a given performance domain
  *	at a given frequency
  */
-struct scmi_perf_ops {
-	int (*limits_set)(const struct scmi_handle *handle, u32 domain,
+struct scmi_perf_proto_ops {
+	int (*limits_set)(const struct scmi_protocol_handle *ph, u32 domain,
 			  u32 max_perf, u32 min_perf);
-	int (*limits_get)(const struct scmi_handle *handle, u32 domain,
+	int (*limits_get)(const struct scmi_protocol_handle *ph, u32 domain,
 			  u32 *max_perf, u32 *min_perf);
-	int (*level_set)(const struct scmi_handle *handle, u32 domain,
+	int (*level_set)(const struct scmi_protocol_handle *ph, u32 domain,
 			 u32 level, bool poll);
-	int (*level_get)(const struct scmi_handle *handle, u32 domain,
+	int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain,
 			 u32 *level, bool poll);
 	int (*device_domain_id)(struct device *dev);
-	int (*transition_latency_get)(const struct scmi_handle *handle,
+	int (*transition_latency_get)(const struct scmi_protocol_handle *ph,
 				      struct device *dev);
-	int (*device_opps_add)(const struct scmi_handle *handle,
+	int (*device_opps_add)(const struct scmi_protocol_handle *ph,
 			       struct device *dev);
-	int (*freq_set)(const struct scmi_handle *handle, u32 domain,
+	int (*freq_set)(const struct scmi_protocol_handle *ph, u32 domain,
 			unsigned long rate, bool poll);
-	int (*freq_get)(const struct scmi_handle *handle, u32 domain,
+	int (*freq_get)(const struct scmi_protocol_handle *ph, u32 domain,
 			unsigned long *rate, bool poll);
-	int (*est_power_get)(const struct scmi_handle *handle, u32 domain,
+	int (*est_power_get)(const struct scmi_protocol_handle *ph, u32 domain,
 			     unsigned long *rate, unsigned long *power);
-	bool (*fast_switch_possible)(const struct scmi_handle *handle,
+	bool (*fast_switch_possible)(const struct scmi_protocol_handle *ph,
 				     struct device *dev);
+	bool (*power_scale_mw_get)(const struct scmi_protocol_handle *ph);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
- * struct scmi_power_ops - represents the various operations provided
+ * struct scmi_power_proto_ops - represents the various operations provided
  *	by SCMI Power Protocol
  *
  * @num_domains_get: get the count of power domains provided by SCMI
@@ -132,9 +141,9 @@
  * @state_set: sets the power state of a power domain
  * @state_get: gets the power state of a power domain
  */
-struct scmi_power_ops {
-	int (*num_domains_get)(const struct scmi_handle *handle);
-	char *(*name_get)(const struct scmi_handle *handle, u32 domain);
+struct scmi_power_proto_ops {
+	int (*num_domains_get)(const struct scmi_protocol_handle *ph);
+	char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
 #define SCMI_POWER_STATE_TYPE_SHIFT	30
 #define SCMI_POWER_STATE_ID_MASK	(BIT(28) - 1)
 #define SCMI_POWER_STATE_PARAM(type, id) \
@@ -142,19 +151,190 @@
 		((id) & SCMI_POWER_STATE_ID_MASK))
 #define SCMI_POWER_STATE_GENERIC_ON	SCMI_POWER_STATE_PARAM(0, 0)
 #define SCMI_POWER_STATE_GENERIC_OFF	SCMI_POWER_STATE_PARAM(1, 0)
-	int (*state_set)(const struct scmi_handle *handle, u32 domain,
+	int (*state_set)(const struct scmi_protocol_handle *ph, u32 domain,
 			 u32 state);
-	int (*state_get)(const struct scmi_handle *handle, u32 domain,
+	int (*state_get)(const struct scmi_protocol_handle *ph, u32 domain,
 			 u32 *state);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
-struct scmi_sensor_info {
-	u32 id;
-	u8 type;
-	s8 scale;
-	u8 num_trip_points;
-	bool async;
+/**
+ * scmi_sensor_reading  - represent a timestamped read
+ *
+ * Used by @reading_get_timestamped method.
+ *
+ * @value: The signed value sensor read.
+ * @timestamp: An unsigned timestamp for the sensor read, as provided by
+ *	       SCMI platform. Set to zero when not available.
+ */
+struct scmi_sensor_reading {
+	long long value;
+	unsigned long long timestamp;
+};
+
+/**
+ * scmi_range_attrs  - specifies a sensor or axis values' range
+ * @min_range: The minimum value which can be represented by the sensor/axis.
+ * @max_range: The maximum value which can be represented by the sensor/axis.
+ */
+struct scmi_range_attrs {
+	long long min_range;
+	long long max_range;
+};
+
+/**
+ * scmi_sensor_axis_info  - describes one sensor axes
+ * @id: The axes ID.
+ * @type: Axes type. Chosen amongst one of @enum scmi_sensor_class.
+ * @scale: Power-of-10 multiplier applied to the axis unit.
+ * @name: NULL-terminated string representing axes name as advertised by
+ *	  SCMI platform.
+ * @extended_attrs: Flag to indicate the presence of additional extended
+ *		    attributes for this axes.
+ * @resolution: Extended attribute representing the resolution of the axes.
+ *		Set to 0 if not reported by this axes.
+ * @exponent: Extended attribute representing the power-of-10 multiplier that
+ *	      is applied to the resolution field. Set to 0 if not reported by
+ *	      this axes.
+ * @attrs: Extended attributes representing minimum and maximum values
+ *	   measurable by this axes. Set to 0 if not reported by this sensor.
+ */
+struct scmi_sensor_axis_info {
+	unsigned int id;
+	unsigned int type;
+	int scale;
 	char name[SCMI_MAX_STR_SIZE];
+	bool extended_attrs;
+	unsigned int resolution;
+	int exponent;
+	struct scmi_range_attrs attrs;
+};
+
+/**
+ * scmi_sensor_intervals_info  - describes number and type of available update
+ * intervals
+ * @segmented: Flag for segmented intervals' representation. When True there
+ *	       will be exactly 3 intervals in @desc, with each entry
+ *	       representing a member of a segment in this order:
+ *	       {lowest update interval, highest update interval, step size}
+ * @count: Number of intervals described in @desc.
+ * @desc: Array of @count interval descriptor bitmask represented as detailed in
+ *	  the SCMI specification: it can be accessed using the accompanying
+ *	  macros.
+ * @prealloc_pool: A minimal preallocated pool of desc entries used to avoid
+ *		   lesser-than-64-bytes dynamic allocation for small @count
+ *		   values.
+ */
+struct scmi_sensor_intervals_info {
+	bool segmented;
+	unsigned int count;
+#define SCMI_SENS_INTVL_SEGMENT_LOW	0
+#define SCMI_SENS_INTVL_SEGMENT_HIGH	1
+#define SCMI_SENS_INTVL_SEGMENT_STEP	2
+	unsigned int *desc;
+#define SCMI_SENS_INTVL_GET_SECS(x)		FIELD_GET(GENMASK(20, 5), (x))
+#define SCMI_SENS_INTVL_GET_EXP(x)					\
+	({								\
+		int __signed_exp = FIELD_GET(GENMASK(4, 0), (x));	\
+									\
+		if (__signed_exp & BIT(4))				\
+			__signed_exp |= GENMASK(31, 5);			\
+		__signed_exp;						\
+	})
+#define SCMI_MAX_PREALLOC_POOL			16
+	unsigned int prealloc_pool[SCMI_MAX_PREALLOC_POOL];
+};
+
+/**
+ * struct scmi_sensor_info - represents information related to one of the
+ * available sensors.
+ * @id: Sensor ID.
+ * @type: Sensor type. Chosen amongst one of @enum scmi_sensor_class.
+ * @scale: Power-of-10 multiplier applied to the sensor unit.
+ * @num_trip_points: Number of maximum configurable trip points.
+ * @async: Flag for asynchronous read support.
+ * @update: Flag for continuouos update notification support.
+ * @timestamped: Flag for timestamped read support.
+ * @tstamp_scale: Power-of-10 multiplier applied to the sensor timestamps to
+ *		  represent it in seconds.
+ * @num_axis: Number of supported axis if any. Reported as 0 for scalar sensors.
+ * @axis: Pointer to an array of @num_axis descriptors.
+ * @intervals: Descriptor of available update intervals.
+ * @sensor_config: A bitmask reporting the current sensor configuration as
+ *		   detailed in the SCMI specification: it can accessed and
+ *		   modified through the accompanying macros.
+ * @name: NULL-terminated string representing sensor name as advertised by
+ *	  SCMI platform.
+ * @extended_scalar_attrs: Flag to indicate the presence of additional extended
+ *			   attributes for this sensor.
+ * @sensor_power: Extended attribute representing the average power
+ *		  consumed by the sensor in microwatts (uW) when it is active.
+ *		  Reported here only for scalar sensors.
+ *		  Set to 0 if not reported by this sensor.
+ * @resolution: Extended attribute representing the resolution of the sensor.
+ *		Reported here only for scalar sensors.
+ *		Set to 0 if not reported by this sensor.
+ * @exponent: Extended attribute representing the power-of-10 multiplier that is
+ *	      applied to the resolution field.
+ *	      Reported here only for scalar sensors.
+ *	      Set to 0 if not reported by this sensor.
+ * @scalar_attrs: Extended attributes representing minimum and maximum
+ *		  measurable values by this sensor.
+ *		  Reported here only for scalar sensors.
+ *		  Set to 0 if not reported by this sensor.
+ */
+struct scmi_sensor_info {
+	unsigned int id;
+	unsigned int type;
+	int scale;
+	unsigned int num_trip_points;
+	bool async;
+	bool update;
+	bool timestamped;
+	int tstamp_scale;
+	unsigned int num_axis;
+	struct scmi_sensor_axis_info *axis;
+	struct scmi_sensor_intervals_info intervals;
+	unsigned int sensor_config;
+#define SCMI_SENS_CFG_UPDATE_SECS_MASK		GENMASK(31, 16)
+#define SCMI_SENS_CFG_GET_UPDATE_SECS(x)				\
+	FIELD_GET(SCMI_SENS_CFG_UPDATE_SECS_MASK, (x))
+
+#define SCMI_SENS_CFG_UPDATE_EXP_MASK		GENMASK(15, 11)
+#define SCMI_SENS_CFG_GET_UPDATE_EXP(x)					\
+	({								\
+		int __signed_exp =					\
+			FIELD_GET(SCMI_SENS_CFG_UPDATE_EXP_MASK, (x));	\
+									\
+		if (__signed_exp & BIT(4))				\
+			__signed_exp |= GENMASK(31, 5);			\
+		__signed_exp;						\
+	})
+
+#define SCMI_SENS_CFG_ROUND_MASK		GENMASK(10, 9)
+#define SCMI_SENS_CFG_ROUND_AUTO		2
+#define SCMI_SENS_CFG_ROUND_UP			1
+#define SCMI_SENS_CFG_ROUND_DOWN		0
+
+#define SCMI_SENS_CFG_TSTAMP_ENABLED_MASK	BIT(1)
+#define SCMI_SENS_CFG_TSTAMP_ENABLE		1
+#define SCMI_SENS_CFG_TSTAMP_DISABLE		0
+#define SCMI_SENS_CFG_IS_TSTAMP_ENABLED(x)				\
+	FIELD_GET(SCMI_SENS_CFG_TSTAMP_ENABLED_MASK, (x))
+
+#define SCMI_SENS_CFG_SENSOR_ENABLED_MASK	BIT(0)
+#define SCMI_SENS_CFG_SENSOR_ENABLE		1
+#define SCMI_SENS_CFG_SENSOR_DISABLE		0
+	char name[SCMI_MAX_STR_SIZE];
+#define SCMI_SENS_CFG_IS_ENABLED(x)		FIELD_GET(BIT(0), (x))
+	bool extended_scalar_attrs;
+	unsigned int sensor_power;
+	unsigned int resolution;
+	int exponent;
+	struct scmi_range_attrs scalar_attrs;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
@@ -163,34 +343,139 @@
  */
 enum scmi_sensor_class {
 	NONE = 0x0,
+	UNSPEC = 0x1,
 	TEMPERATURE_C = 0x2,
+	TEMPERATURE_F = 0x3,
+	TEMPERATURE_K = 0x4,
 	VOLTAGE = 0x5,
 	CURRENT = 0x6,
 	POWER = 0x7,
 	ENERGY = 0x8,
+	CHARGE = 0x9,
+	VOLTAMPERE = 0xA,
+	NITS = 0xB,
+	LUMENS = 0xC,
+	LUX = 0xD,
+	CANDELAS = 0xE,
+	KPA = 0xF,
+	PSI = 0x10,
+	NEWTON = 0x11,
+	CFM = 0x12,
+	RPM = 0x13,
+	HERTZ = 0x14,
+	SECS = 0x15,
+	MINS = 0x16,
+	HOURS = 0x17,
+	DAYS = 0x18,
+	WEEKS = 0x19,
+	MILS = 0x1A,
+	INCHES = 0x1B,
+	FEET = 0x1C,
+	CUBIC_INCHES = 0x1D,
+	CUBIC_FEET = 0x1E,
+	METERS = 0x1F,
+	CUBIC_CM = 0x20,
+	CUBIC_METERS = 0x21,
+	LITERS = 0x22,
+	FLUID_OUNCES = 0x23,
+	RADIANS = 0x24,
+	STERADIANS = 0x25,
+	REVOLUTIONS = 0x26,
+	CYCLES = 0x27,
+	GRAVITIES = 0x28,
+	OUNCES = 0x29,
+	POUNDS = 0x2A,
+	FOOT_POUNDS = 0x2B,
+	OUNCE_INCHES = 0x2C,
+	GAUSS = 0x2D,
+	GILBERTS = 0x2E,
+	HENRIES = 0x2F,
+	FARADS = 0x30,
+	OHMS = 0x31,
+	SIEMENS = 0x32,
+	MOLES = 0x33,
+	BECQUERELS = 0x34,
+	PPM = 0x35,
+	DECIBELS = 0x36,
+	DBA = 0x37,
+	DBC = 0x38,
+	GRAYS = 0x39,
+	SIEVERTS = 0x3A,
+	COLOR_TEMP_K = 0x3B,
+	BITS = 0x3C,
+	BYTES = 0x3D,
+	WORDS = 0x3E,
+	DWORDS = 0x3F,
+	QWORDS = 0x40,
+	PERCENTAGE = 0x41,
+	PASCALS = 0x42,
+	COUNTS = 0x43,
+	GRAMS = 0x44,
+	NEWTON_METERS = 0x45,
+	HITS = 0x46,
+	MISSES = 0x47,
+	RETRIES = 0x48,
+	OVERRUNS = 0x49,
+	UNDERRUNS = 0x4A,
+	COLLISIONS = 0x4B,
+	PACKETS = 0x4C,
+	MESSAGES = 0x4D,
+	CHARS = 0x4E,
+	ERRORS = 0x4F,
+	CORRECTED_ERRS = 0x50,
+	UNCORRECTABLE_ERRS = 0x51,
+	SQ_MILS = 0x52,
+	SQ_INCHES = 0x53,
+	SQ_FEET = 0x54,
+	SQ_CM = 0x55,
+	SQ_METERS = 0x56,
+	RADIANS_SEC = 0x57,
+	BPM = 0x58,
+	METERS_SEC_SQUARED = 0x59,
+	METERS_SEC = 0x5A,
+	CUBIC_METERS_SEC = 0x5B,
+	MM_MERCURY = 0x5C,
+	RADIANS_SEC_SQUARED = 0x5D,
+	OEM_UNIT = 0xFF
 };
 
 /**
- * struct scmi_sensor_ops - represents the various operations provided
+ * struct scmi_sensor_proto_ops - represents the various operations provided
  *	by SCMI Sensor Protocol
  *
  * @count_get: get the count of sensors provided by SCMI
  * @info_get: get the information of the specified sensor
  * @trip_point_config: selects and configures a trip-point of interest
  * @reading_get: gets the current value of the sensor
+ * @reading_get_timestamped: gets the current value and timestamp, when
+ *			     available, of the sensor. (as of v3.0 spec)
+ *			     Supports multi-axis sensors for sensors which
+ *			     supports it and if the @reading array size of
+ *			     @count entry equals the sensor num_axis
+ * @config_get: Get sensor current configuration
+ * @config_set: Set sensor current configuration
  */
-struct scmi_sensor_ops {
-	int (*count_get)(const struct scmi_handle *handle);
+struct scmi_sensor_proto_ops {
+	int (*count_get)(const struct scmi_protocol_handle *ph);
 	const struct scmi_sensor_info *(*info_get)
-		(const struct scmi_handle *handle, u32 sensor_id);
-	int (*trip_point_config)(const struct scmi_handle *handle,
+		(const struct scmi_protocol_handle *ph, u32 sensor_id);
+	int (*trip_point_config)(const struct scmi_protocol_handle *ph,
 				 u32 sensor_id, u8 trip_id, u64 trip_value);
-	int (*reading_get)(const struct scmi_handle *handle, u32 sensor_id,
+	int (*reading_get)(const struct scmi_protocol_handle *ph, u32 sensor_id,
 			   u64 *value);
+	int (*reading_get_timestamped)(const struct scmi_protocol_handle *ph,
+				       u32 sensor_id, u8 count,
+				       struct scmi_sensor_reading *readings);
+	int (*config_get)(const struct scmi_protocol_handle *ph,
+			  u32 sensor_id, u32 *sensor_config);
+	int (*config_set)(const struct scmi_protocol_handle *ph,
+			  u32 sensor_id, u32 sensor_config);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
- * struct scmi_reset_ops - represents the various operations provided
+ * struct scmi_reset_proto_ops - represents the various operations provided
  *	by SCMI Reset Protocol
  *
  * @num_domains_get: get the count of reset domains provided by SCMI
@@ -200,18 +485,82 @@
  * @assert: explicitly assert reset signal of the specified reset domain
  * @deassert: explicitly deassert reset signal of the specified reset domain
  */
-struct scmi_reset_ops {
-	int (*num_domains_get)(const struct scmi_handle *handle);
-	char *(*name_get)(const struct scmi_handle *handle, u32 domain);
-	int (*latency_get)(const struct scmi_handle *handle, u32 domain);
-	int (*reset)(const struct scmi_handle *handle, u32 domain);
-	int (*assert)(const struct scmi_handle *handle, u32 domain);
-	int (*deassert)(const struct scmi_handle *handle, u32 domain);
+struct scmi_reset_proto_ops {
+	int (*num_domains_get)(const struct scmi_protocol_handle *ph);
+	char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
+	int (*latency_get)(const struct scmi_protocol_handle *ph, u32 domain);
+	int (*reset)(const struct scmi_protocol_handle *ph, u32 domain);
+	int (*assert)(const struct scmi_protocol_handle *ph, u32 domain);
+	int (*deassert)(const struct scmi_protocol_handle *ph, u32 domain);
+
+	ANDROID_KABI_RESERVE(1);
+};
+
+/**
+ * struct scmi_voltage_info - describe one available SCMI Voltage Domain
+ *
+ * @id: the domain ID as advertised by the platform
+ * @segmented: defines the layout of the entries of array @levels_uv.
+ *	       - when True the entries are to be interpreted as triplets,
+ *	         each defining a segment representing a range of equally
+ *	         space voltages: <lowest_volts>, <highest_volt>, <step_uV>
+ *	       - when False the entries simply represent a single discrete
+ *	         supported voltage level
+ * @negative_volts_allowed: True if any of the entries of @levels_uv represent
+ *			    a negative voltage.
+ * @attributes: represents Voltage Domain advertised attributes
+ * @name: name assigned to the Voltage Domain by platform
+ * @num_levels: number of total entries in @levels_uv.
+ * @levels_uv: array of entries describing the available voltage levels for
+ *	       this domain.
+ */
+struct scmi_voltage_info {
+	unsigned int id;
+	bool segmented;
+	bool negative_volts_allowed;
+	unsigned int attributes;
+	char name[SCMI_MAX_STR_SIZE];
+	unsigned int num_levels;
+#define SCMI_VOLTAGE_SEGMENT_LOW	0
+#define SCMI_VOLTAGE_SEGMENT_HIGH	1
+#define SCMI_VOLTAGE_SEGMENT_STEP	2
+	int *levels_uv;
+};
+
+/**
+ * struct scmi_voltage_proto_ops - represents the various operations provided
+ * by SCMI Voltage Protocol
+ *
+ * @num_domains_get: get the count of voltage domains provided by SCMI
+ * @info_get: get the information of the specified domain
+ * @config_set: set the config for the specified domain
+ * @config_get: get the config of the specified domain
+ * @level_set: set the voltage level for the specified domain
+ * @level_get: get the voltage level of the specified domain
+ */
+struct scmi_voltage_proto_ops {
+	int (*num_domains_get)(const struct scmi_protocol_handle *ph);
+	const struct scmi_voltage_info __must_check *(*info_get)
+		(const struct scmi_protocol_handle *ph, u32 domain_id);
+	int (*config_set)(const struct scmi_protocol_handle *ph, u32 domain_id,
+			  u32 config);
+#define	SCMI_VOLTAGE_ARCH_STATE_OFF		0x0
+#define	SCMI_VOLTAGE_ARCH_STATE_ON		0x7
+	int (*config_get)(const struct scmi_protocol_handle *ph, u32 domain_id,
+			  u32 *config);
+	int (*level_set)(const struct scmi_protocol_handle *ph, u32 domain_id,
+			 u32 flags, s32 volt_uV);
+	int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain_id,
+			 s32 *volt_uV);
 };
 
 /**
  * struct scmi_notify_ops  - represents notifications' operations provided by
  * SCMI core
+ * @devm_register_event_notifier: Managed registration of a notifier_block for
+ *				  the requested event
+ * @devm_unregister_event_notifier: Managed unregistration of a notifier_block
+ *				    for the requested event
  * @register_event_notifier: Register a notifier_block for the requested event
  * @unregister_event_notifier: Unregister a notifier_block for the requested
  *			       event
@@ -221,7 +570,9 @@
  * tuple: (proto_id, evt_id, src_id) using the provided register/unregister
  * interface where:
  *
- * @handle: The handle identifying the platform instance to use
+ * @sdev: The scmi_device to use when calling the devres managed ops devm_
+ * @handle: The handle identifying the platform instance to use, when not
+ *	    calling the managed ops devm_
  * @proto_id: The protocol ID as in SCMI Specification
  * @evt_id: The message ID of the desired event as in SCMI Specification
  * @src_id: A pointer to the desired source ID if different sources are
@@ -244,6 +595,13 @@
  * @report: A custom struct describing the specific event delivered
  */
 struct scmi_notify_ops {
+	int (*devm_register_event_notifier)(struct scmi_device *sdev,
+					    u8 proto_id, u8 evt_id, u32 *src_id,
+					    struct notifier_block *nb);
+	int (*devm_unregister_event_notifier)(struct scmi_device *sdev,
+					      u8 proto_id, u8 evt_id,
+					      u32 *src_id,
+					      struct notifier_block *nb);
 	int (*register_event_notifier)(const struct scmi_handle *handle,
 				       u8 proto_id, u8 evt_id, u32 *src_id,
 				       struct notifier_block *nb);
@@ -257,42 +615,31 @@
  *
  * @dev: pointer to the SCMI device
  * @version: pointer to the structure containing SCMI version information
- * @power_ops: pointer to set of power protocol operations
- * @perf_ops: pointer to set of performance protocol operations
- * @clk_ops: pointer to set of clock protocol operations
- * @sensor_ops: pointer to set of sensor protocol operations
- * @reset_ops: pointer to set of reset protocol operations
+ * @devm_acquire_protocol: devres managed method to get hold of a protocol,
+ *			   causing its initialization and related resource
+ *			   accounting
+ * @devm_get_protocol: devres managed method to acquire a protocol, causing
+ *		       its initialization and resource accounting, while getting
+ *		       protocol specific operations and a dedicated protocol
+ *		       handler
+ * @devm_put_protocol: devres managed method to release a protocol acquired
+ *		       with devm_acquire/get_protocol
  * @notify_ops: pointer to set of notifications related operations
- * @perf_priv: pointer to private data structure specific to performance
- *	protocol(for internal use only)
- * @clk_priv: pointer to private data structure specific to clock
- *	protocol(for internal use only)
- * @power_priv: pointer to private data structure specific to power
- *	protocol(for internal use only)
- * @sensor_priv: pointer to private data structure specific to sensors
- *	protocol(for internal use only)
- * @reset_priv: pointer to private data structure specific to reset
- *	protocol(for internal use only)
- * @notify_priv: pointer to private data structure specific to notifications
- *	(for internal use only)
  */
 struct scmi_handle {
 	struct device *dev;
 	struct scmi_revision_info *version;
-	const struct scmi_perf_ops *perf_ops;
-	const struct scmi_clk_ops *clk_ops;
-	const struct scmi_power_ops *power_ops;
-	const struct scmi_sensor_ops *sensor_ops;
-	const struct scmi_reset_ops *reset_ops;
+
+	int __must_check (*devm_acquire_protocol)(struct scmi_device *sdev,
+						  u8 proto);
+	const void __must_check *
+		(*devm_get_protocol)(struct scmi_device *sdev, u8 proto,
+				     struct scmi_protocol_handle **ph);
+	void (*devm_put_protocol)(struct scmi_device *sdev, u8 proto);
+
 	const struct scmi_notify_ops *notify_ops;
-	/* for protocol internal use */
-	void *perf_priv;
-	void *clk_priv;
-	void *power_priv;
-	void *sensor_priv;
-	void *reset_priv;
-	void *notify_priv;
-	void *system_priv;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 enum scmi_std_protocol {
@@ -303,6 +650,7 @@
 	SCMI_PROTOCOL_CLOCK = 0x14,
 	SCMI_PROTOCOL_SENSOR = 0x15,
 	SCMI_PROTOCOL_RESET = 0x16,
+	SCMI_PROTOCOL_VOLTAGE = 0x17,
 };
 
 enum scmi_system_events {
@@ -320,6 +668,8 @@
 	const char *name;
 	struct device dev;
 	struct scmi_handle *handle;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #define to_scmi_dev(d) container_of(d, struct scmi_device, dev)
@@ -376,9 +726,21 @@
 #define module_scmi_driver(__scmi_driver)	\
 	module_driver(__scmi_driver, scmi_register, scmi_unregister)
 
-typedef int (*scmi_prot_init_fn_t)(struct scmi_handle *);
-int scmi_protocol_register(int protocol_id, scmi_prot_init_fn_t fn);
-void scmi_protocol_unregister(int protocol_id);
+/**
+ * module_scmi_protocol() - Helper macro for registering a scmi protocol
+ * @__scmi_protocol: scmi_protocol structure
+ *
+ * Helper macro for scmi drivers to set up proper module init / exit
+ * functions.  Replaces module_init() and module_exit() and keeps people from
+ * printing pointless things to the kernel log when their driver is loaded.
+ */
+#define module_scmi_protocol(__scmi_protocol)	\
+	module_driver(__scmi_protocol,		\
+		      scmi_protocol_register, scmi_protocol_unregister)
+
+struct scmi_protocol;
+int scmi_protocol_register(const struct scmi_protocol *proto);
+void scmi_protocol_unregister(const struct scmi_protocol *proto);
 
 /* SCMI Notification API - Custom Event Reports */
 enum scmi_notification_events {
@@ -386,6 +748,7 @@
 	SCMI_EVENT_PERFORMANCE_LIMITS_CHANGED = 0x0,
 	SCMI_EVENT_PERFORMANCE_LEVEL_CHANGED = 0x1,
 	SCMI_EVENT_SENSOR_TRIP_POINT_EVENT = 0x0,
+	SCMI_EVENT_SENSOR_UPDATE = 0x1,
 	SCMI_EVENT_RESET_ISSUED = 0x0,
 	SCMI_EVENT_BASE_ERROR_EVENT = 0x0,
 	SCMI_EVENT_SYSTEM_POWER_STATE_NOTIFIER = 0x0,
@@ -427,6 +790,14 @@
 	unsigned int	trip_point_desc;
 };
 
+struct scmi_sensor_update_report {
+	ktime_t				timestamp;
+	unsigned int			agent_id;
+	unsigned int			sensor_id;
+	unsigned int			readings_count;
+	struct scmi_sensor_reading	readings[];
+};
+
 struct scmi_reset_issued_report {
 	ktime_t		timestamp;
 	unsigned int	agent_id;
diff --git a/include/linux/scs.h b/include/linux/scs.h
index 6dec390..18122d9 100644
--- a/include/linux/scs.h
+++ b/include/linux/scs.h
@@ -15,24 +15,18 @@
 
 #ifdef CONFIG_SHADOW_CALL_STACK
 
-/*
- * In testing, 1 KiB shadow stack size (i.e. 128 stack frames on a 64-bit
- * architecture) provided ~40% safety margin on stack usage while keeping
- * memory allocation overhead reasonable.
- */
-#define SCS_SIZE		SZ_1K
+#define SCS_ORDER		0
+#define SCS_SIZE		(PAGE_SIZE << SCS_ORDER)
 #define GFP_SCS			(GFP_KERNEL | __GFP_ZERO)
 
 /* An illegal pointer value to mark the end of the shadow stack. */
 #define SCS_END_MAGIC		(0x5f6UL + POISON_POINTER_DELTA)
 
-/* Allocate a static per-CPU shadow stack */
-#define DEFINE_SCS(name)						\
-	DEFINE_PER_CPU(unsigned long [SCS_SIZE/sizeof(long)], name)	\
-
 #define task_scs(tsk)		(task_thread_info(tsk)->scs_base)
 #define task_scs_sp(tsk)	(task_thread_info(tsk)->scs_sp)
 
+void *scs_alloc(int node);
+void scs_free(void *s);
 void scs_init(void);
 int scs_prepare(struct task_struct *tsk, int node);
 void scs_release(struct task_struct *tsk);
@@ -61,6 +55,8 @@
 
 #else /* CONFIG_SHADOW_CALL_STACK */
 
+static inline void *scs_alloc(int node) { return NULL; }
+static inline void scs_free(void *s) {}
 static inline void scs_init(void) {}
 static inline void scs_task_reset(struct task_struct *tsk) {}
 static inline int scs_prepare(struct task_struct *tsk, int node) { return 0; }
diff --git a/include/linux/security.h b/include/linux/security.h
index e9b4b54..694db31 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -133,8 +133,6 @@
 	LOCKDOWN_CONFIDENTIALITY_MAX,
 };
 
-extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
-
 /* These functions are in security/commoncap.c */
 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
 		       int cap, unsigned int opts);
@@ -326,6 +324,9 @@
 int security_inode_init_security(struct inode *inode, struct inode *dir,
 				 const struct qstr *qstr,
 				 initxattrs initxattrs, void *fs_data);
+int security_inode_init_security_anon(struct inode *inode,
+				      const struct qstr *name,
+				      const struct inode *context_inode);
 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
 				     const struct qstr *qstr, const char **name,
 				     void **value, size_t *len);
@@ -740,6 +741,13 @@
 	return 0;
 }
 
+static inline int security_inode_init_security_anon(struct inode *inode,
+						    const struct qstr *name,
+						    const struct inode *context_inode)
+{
+	return 0;
+}
+
 static inline int security_old_inode_init_security(struct inode *inode,
 						   struct inode *dir,
 						   const struct qstr *qstr,
diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index 9f14f9c..54df861 100644
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -165,9 +165,21 @@
 void serdev_device_remove(struct serdev_device *);
 
 struct serdev_controller *serdev_controller_alloc(struct device *, size_t);
-int serdev_controller_add(struct serdev_controller *);
+int serdev_controller_add_platform(struct serdev_controller *, bool);
 void serdev_controller_remove(struct serdev_controller *);
 
+/**
+ * serdev_controller_add() - Add an serdev controller
+ * @ctrl:	controller to be registered.
+ *
+ * Register a controller previously allocated via serdev_controller_alloc() with
+ * the serdev core.
+ */
+static inline int serdev_controller_add(struct serdev_controller *ctrl)
+{
+	return serdev_controller_add_platform(ctrl, false);
+}
+
 static inline void serdev_controller_write_wakeup(struct serdev_controller *ctrl)
 {
 	struct serdev_device *serdev = ctrl->serdev;
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index abb9283..2b70f73 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -74,7 +74,6 @@
 struct uart_8250_ops {
 	int		(*setup_irq)(struct uart_8250_port *);
 	void		(*release_irq)(struct uart_8250_port *);
-	void		(*setup_timer)(struct uart_8250_port *);
 };
 
 struct uart_8250_em485 {
@@ -98,6 +97,7 @@
 	struct list_head	list;		/* ports on this IRQ */
 	u32			capabilities;	/* port capabilities */
 	unsigned short		bugs;		/* port bugs */
+	bool			fifo_bug;	/* min RX trigger if enabled */
 	unsigned int		tx_loadsz;	/* transmit fifo load size */
 	unsigned char		acr;
 	unsigned char		fcr;
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 6df4c33..9f60f549 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -17,6 +17,7 @@
 #include <linux/tty.h>
 #include <linux/mutex.h>
 #include <linux/sysrq.h>
+#include <linux/android_kabi.h>
 #include <uapi/linux/serial_core.h>
 
 #ifdef CONFIG_SERIAL_CORE_CONSOLE
@@ -80,6 +81,9 @@
 	void		(*poll_put_char)(struct uart_port *, unsigned char);
 	int		(*poll_get_char)(struct uart_port *);
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 #define NO_POLL_CHAR		0x00ff0000
@@ -100,7 +104,7 @@
 	__u32	buf_overrun;
 };
 
-typedef u64 __bitwise upf_t;
+typedef unsigned int __bitwise upf_t;
 typedef unsigned int __bitwise upstat_t;
 
 struct uart_port {
@@ -207,7 +211,6 @@
 #define UPF_FIXED_PORT		((__force upf_t) (1 << 29))
 #define UPF_DEAD		((__force upf_t) (1 << 30))
 #define UPF_IOREMAP		((__force upf_t) (1 << 31))
-#define UPF_FULL_PROBE		((__force upf_t) (1ULL << 32))
 
 #define __UPF_CHANGE_MASK	0x17fff
 #define UPF_CHANGE_MASK		((__force upf_t) __UPF_CHANGE_MASK)
@@ -257,6 +260,9 @@
 	struct gpio_desc	*rs485_term_gpio;	/* enable RS485 bus termination */
 	struct serial_iso7816   iso7816;
 	void			*private_data;		/* generic platform data pointer */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 static inline int serial_port_in(struct uart_port *up, int offset)
@@ -336,6 +342,8 @@
 	 */
 	struct uart_state	*state;
 	struct tty_driver	*tty_driver;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 void uart_write_wakeup(struct uart_port *port);
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 6c27d41..25d638f5 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -13,6 +13,7 @@
 #include <linux/mutex.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+#include <linux/android_kabi.h>
 #include <uapi/linux/serio.h>
 
 extern struct bus_type serio_bus;
@@ -61,6 +62,8 @@
 	 * may get indigestion when exposed to concurrent access (i8042).
 	 */
 	struct mutex *ps2_cmd_mutex;
+
+	ANDROID_KABI_RESERVE(1);
 };
 #define to_serio_port(d)	container_of(d, struct serio, dev)
 
@@ -79,6 +82,8 @@
 	void (*cleanup)(struct serio *);
 
 	struct device_driver driver;
+
+	ANDROID_KABI_RESERVE(1);
 };
 #define to_serio_driver(d)	container_of(d, struct serio_driver, driver)
 
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index a5a5d1d4..1bf2615 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -85,6 +85,7 @@
 extern unsigned long shmem_swap_usage(struct vm_area_struct *vma);
 extern unsigned long shmem_partial_swap_usage(struct address_space *mapping,
 						pgoff_t start, pgoff_t end);
+extern void shmem_mark_page_lazyfree(struct page *page, bool tail);
 
 /* Flag allocation requirements to shmem_getpage */
 enum sgp_type {
@@ -118,21 +119,18 @@
 extern bool shmem_charge(struct inode *inode, long pages);
 extern void shmem_uncharge(struct inode *inode, long pages);
 
+#ifdef CONFIG_USERFAULTFD
 #ifdef CONFIG_SHMEM
-extern int shmem_mcopy_atomic_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
+extern int shmem_mfill_atomic_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
 				  struct vm_area_struct *dst_vma,
 				  unsigned long dst_addr,
 				  unsigned long src_addr,
+				  bool zeropage,
 				  struct page **pagep);
-extern int shmem_mfill_zeropage_pte(struct mm_struct *dst_mm,
-				    pmd_t *dst_pmd,
-				    struct vm_area_struct *dst_vma,
-				    unsigned long dst_addr);
-#else
-#define shmem_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma, dst_addr, \
-			       src_addr, pagep)        ({ BUG(); 0; })
-#define shmem_mfill_zeropage_pte(dst_mm, dst_pmd, dst_vma, \
-				 dst_addr)      ({ BUG(); 0; })
-#endif
+#else /* !CONFIG_SHMEM */
+#define shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr, \
+			       src_addr, zeropage, pagep)       ({ BUG(); 0; })
+#endif /* CONFIG_SHMEM */
+#endif /* CONFIG_USERFAULTFD */
 
 #endif
diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index 0f80123..68c6dd3 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -2,6 +2,8 @@
 #ifndef _LINUX_SHRINKER_H
 #define _LINUX_SHRINKER_H
 
+#include <linux/android_vendor.h>
+
 /*
  * This struct is used to pass information from page reclaim to the shrinkers.
  * We consolidate the values for easier extention later.
@@ -31,6 +33,7 @@
 
 	/* current memcg being shrunk (for memcg aware shrinkers) */
 	struct mem_cgroup *memcg;
+	ANDROID_OEM_DATA_ARRAY(1, 3);
 };
 
 #define SHRINK_STOP (~0UL)
diff --git a/include/linux/signal.h b/include/linux/signal.h
index b256f9c..205526c 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -469,4 +469,18 @@
 extern void render_sigset_t(struct seq_file *, const char *, sigset_t *);
 #endif
 
+#ifndef arch_untagged_si_addr
+/*
+ * Given a fault address and a signal and si_code which correspond to the
+ * _sigfault union member, returns the address that must appear in si_addr if
+ * the signal handler does not have SA_EXPOSE_TAGBITS enabled in sa_flags.
+ */
+static inline void __user *arch_untagged_si_addr(void __user *addr,
+						 unsigned long sig,
+						 unsigned long si_code)
+{
+	return addr;
+}
+#endif
+
 #endif /* _LINUX_SIGNAL_H */
diff --git a/include/linux/signal_types.h b/include/linux/signal_types.h
index f8a90ae..68e06c7 100644
--- a/include/linux/signal_types.h
+++ b/include/linux/signal_types.h
@@ -68,4 +68,16 @@
 	int sig;
 };
 
+#ifndef __ARCH_UAPI_SA_FLAGS
+#ifdef SA_RESTORER
+#define __ARCH_UAPI_SA_FLAGS	SA_RESTORER
+#else
+#define __ARCH_UAPI_SA_FLAGS	0
+#endif
+#endif
+
+#define UAPI_SA_FLAGS                                                          \
+	(SA_NOCLDSTOP | SA_NOCLDWAIT | SA_SIGINFO | SA_ONSTACK | SA_RESTART |  \
+	 SA_NODEFER | SA_RESETHAND | SA_EXPOSE_TAGBITS | __ARCH_UAPI_SA_FLAGS)
+
 #endif /* _LINUX_SIGNAL_TYPES_H */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index a210f19..dac7f71 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -40,6 +40,8 @@
 #if IS_ENABLED(CONFIG_NF_CONNTRACK)
 #include <linux/netfilter/nf_conntrack_common.h>
 #endif
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
 
 /* The interface for checksum offload between the stack and networking drivers
  * is as follows...
@@ -532,6 +534,8 @@
 	 * remains valid until skb destructor */
 	void *		destructor_arg;
 
+	ANDROID_OEM_DATA_ARRAY(1, 3);
+
 	/* must be last field, see pskb_expand_head() */
 	skb_frag_t	frags[MAX_SKB_FRAGS];
 };
@@ -861,7 +865,6 @@
 #ifdef CONFIG_TLS_DEVICE
 	__u8			decrypted:1;
 #endif
-	__u8			scm_io_uring:1;
 
 #ifdef CONFIG_NET_SCHED
 	__u16			tc_index;	/* traffic control index */
@@ -916,6 +919,27 @@
 	__u32			headers_end[0];
 	/* public: */
 
+	/* Android KABI preservation.
+	 *
+	 * "open coded" version of ANDROID_KABI_USE() to pack more
+	 * fields/variables into the space that we have.
+	 *
+	 * scm_io_uring is from 04df9719df18 ("io_uring/af_unix: defer
+	 * registered files gc to io_uring release")
+	 */
+	/* NOTE: due to these fields ending up after headers_end, we have to
+	 * manually copy them in the __copy_skb_header() call in skbuf.c.  Be
+	 * very aware of that if you change these fields.
+	 */
+	_ANDROID_KABI_REPLACE(_ANDROID_KABI_RESERVE(1),
+			 struct {
+				__u8 scm_io_uring:1;
+				__u8 android_kabi_reserved1_padding1;
+				__u16 android_kabi_reserved1_padding2;
+				__u32 android_kabi_reserved1_padding3;
+				});
+	ANDROID_KABI_RESERVE(2);
+
 	/* These elements must be at the end, see alloc_skb() for details.  */
 	sk_buff_data_t		tail;
 	sk_buff_data_t		end;
@@ -1418,6 +1442,11 @@
 {
 	return skb->end;
 }
+
+static inline void skb_set_end_offset(struct sk_buff *skb, unsigned int offset)
+{
+	skb->end = offset;
+}
 #else
 static inline unsigned char *skb_end_pointer(const struct sk_buff *skb)
 {
@@ -1428,6 +1457,11 @@
 {
 	return skb->end - skb->head;
 }
+
+static inline void skb_set_end_offset(struct sk_buff *skb, unsigned int offset)
+{
+	skb->end = skb->head + offset;
+}
 #endif
 
 /* Internal */
@@ -1647,6 +1681,22 @@
 	return 0;
 }
 
+/* This variant of skb_unclone() makes sure skb->truesize
+ * and skb_end_offset() are not changed, whenever a new skb->head is needed.
+ *
+ * Indeed there is no guarantee that ksize(kmalloc(X)) == ksize(kmalloc(X))
+ * when various debugging features are in place.
+ */
+int __skb_unclone_keeptruesize(struct sk_buff *skb, gfp_t pri);
+static inline int skb_unclone_keeptruesize(struct sk_buff *skb, gfp_t pri)
+{
+	might_sleep_if(gfpflags_allow_blocking(pri));
+
+	if (skb_cloned(skb))
+		return __skb_unclone_keeptruesize(skb, pri);
+	return 0;
+}
+
 /**
  *	skb_header_cloned - is the header a clone
  *	@skb: buffer to check
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 9eb430c16..3aa5e1e 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -2,6 +2,7 @@
 #ifndef _LINUX_SLAB_DEF_H
 #define	_LINUX_SLAB_DEF_H
 
+#include <linux/kfence.h>
 #include <linux/reciprocal_div.h>
 
 /*
@@ -114,6 +115,8 @@
 static inline int objs_per_slab_page(const struct kmem_cache *cache,
 				     const struct page *page)
 {
+	if (is_kfence_address(page_address(page)))
+		return 1;
 	return cache->num;
 }
 
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 1be0ed5..dcde82a 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -7,6 +7,7 @@
  *
  * (C) 2007 SGI, Christoph Lameter
  */
+#include <linux/kfence.h>
 #include <linux/kobject.h>
 #include <linux/reciprocal_div.h>
 
@@ -185,6 +186,8 @@
 static inline unsigned int obj_to_index(const struct kmem_cache *cache,
 					const struct page *page, void *obj)
 {
+	if (is_kfence_address(obj))
+		return 0;
 	return __obj_to_index(cache, page_address(page), obj);
 }
 
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 04f44e0..7ce15c3 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -127,6 +127,7 @@
 
 void kick_all_cpus_sync(void);
 void wake_up_all_idle_cpus(void);
+void wake_up_all_online_idle_cpus(void);
 
 /*
  * Generic and arch helpers
@@ -182,6 +183,7 @@
 
 static inline void kick_all_cpus_sync(void) {  }
 static inline void wake_up_all_idle_cpus(void) {  }
+static inline void wake_up_all_online_idle_cpus(void) {  }
 
 #ifdef CONFIG_UP_LATE_INIT
 extern void __init up_late_init(void);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index e1d8863..9c2f5d9 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -14,6 +14,7 @@
 #include <linux/scatterlist.h>
 #include <linux/gpio/consumer.h>
 #include <linux/ptp_clock_kernel.h>
+#include <linux/android_kabi.h>
 
 struct dma_chan;
 struct property_entry;
@@ -197,6 +198,9 @@
 	/* the statistics */
 	struct spi_statistics	statistics;
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
 	/*
 	 * likely need more hooks for more protocol options affecting how
 	 * the controller talks to each chip, like:
@@ -281,6 +285,8 @@
 	int			(*remove)(struct spi_device *spi);
 	void			(*shutdown)(struct spi_device *spi);
 	struct device_driver	driver;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline struct spi_driver *to_spi_driver(struct device_driver *drv)
@@ -511,9 +517,6 @@
 
 #define SPI_MASTER_GPIO_SS		BIT(5)	/* GPIO CS must select slave */
 
-	/* flag indicating this is a non-devres managed controller */
-	bool			devm_allocated;
-
 	/* flag indicating this is an SPI slave controller */
 	bool			slave;
 
@@ -670,6 +673,9 @@
 
 	/* Interrupt enable state during PTP system timestamping */
 	unsigned long		irq_flags;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 static inline void *spi_controller_get_devdata(struct spi_controller *ctlr)
@@ -967,6 +973,8 @@
 
 #define SPI_TRANS_FAIL_NO_START	BIT(0)
 	u16		error;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -1033,6 +1041,8 @@
 
 	/* list of spi_res reources when the spi message is processed */
 	struct list_head        resources;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline void spi_message_init_no_memset(struct spi_message *m)
@@ -1471,6 +1481,8 @@
 	 */
 	u32		mode;
 
+	ANDROID_KABI_RESERVE(1);
+
 	/* ... may need additional spi_device chip config data here.
 	 * avoid stuff protocol drivers can set; but include stuff
 	 * needed to behave without being bound to a driver:
diff --git a/include/linux/spmi.h b/include/linux/spmi.h
index 394a3f6..6744f7c 100644
--- a/include/linux/spmi.h
+++ b/include/linux/spmi.h
@@ -7,6 +7,7 @@
 #include <linux/types.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+#include <linux/android_kabi.h>
 
 /* Maximum slave identifier */
 #define SPMI_MAX_SLAVE_ID		16
@@ -85,6 +86,7 @@
 			    u8 sid, u16 addr, u8 *buf, size_t len);
 	int	(*write_cmd)(struct spmi_controller *ctrl, u8 opcode,
 			     u8 sid, u16 addr, const u8 *buf, size_t len);
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline struct spmi_controller *to_spmi_controller(struct device *d)
@@ -138,6 +140,7 @@
 	struct device_driver driver;
 	int	(*probe)(struct spmi_device *sdev);
 	void	(*remove)(struct spmi_device *sdev);
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline struct spmi_driver *to_spmi_driver(struct device_driver *d)
diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h
index 24d49c7..b2f7e7c 100644
--- a/include/linux/stackdepot.h
+++ b/include/linux/stackdepot.h
@@ -11,8 +11,14 @@
 #ifndef _LINUX_STACKDEPOT_H
 #define _LINUX_STACKDEPOT_H
 
+#include <linux/gfp.h>
+
 typedef u32 depot_stack_handle_t;
 
+depot_stack_handle_t __stack_depot_save(unsigned long *entries,
+					unsigned int nr_entries,
+					gfp_t gfp_flags, bool can_alloc);
+
 depot_stack_handle_t stack_depot_save(unsigned long *entries,
 				      unsigned int nr_entries, gfp_t gfp_flags);
 
@@ -21,4 +27,13 @@
 
 unsigned int filter_irq_stacks(unsigned long *entries, unsigned int nr_entries);
 
+#ifdef CONFIG_STACKDEPOT
+int stack_depot_init(void);
+#else
+static inline int stack_depot_init(void)
+{
+	return 0;
+}
+#endif	/* CONFIG_STACKDEPOT */
+
 #endif
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 63ea9af..ddafb3c 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -28,6 +28,16 @@
 	struct cpu_stop_done	*done;
 };
 
+/*
+ * Structure to determine completion condition and record errors.  May
+ * be shared by works on different cpus.
+ */
+struct cpu_stop_done {
+	atomic_t		nr_todo;	/* nr left to execute */
+	int			ret;		/* collected return value */
+	struct completion	completion;	/* fired if nr_todo reaches 0 */
+};
+
 int stop_one_cpu(unsigned int cpu, cpu_stop_fn_t fn, void *arg);
 int stop_two_cpus(unsigned int cpu1, unsigned int cpu2, cpu_stop_fn_t fn, void *arg);
 bool stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
@@ -35,6 +45,10 @@
 void stop_machine_park(int cpu);
 void stop_machine_unpark(int cpu);
 void stop_machine_yield(const struct cpumask *cpumask);
+int stop_one_cpu_async(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
+		       struct cpu_stop_work *work_buf,
+		       struct cpu_stop_done *done);
+void cpu_stop_work_wait(struct cpu_stop_work *work_buf);
 
 #else	/* CONFIG_SMP */
 
diff --git a/include/linux/string.h b/include/linux/string.h
index 0cef345..32688d7 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -259,7 +259,7 @@
 
 #if !defined(__NO_FORTIFY) && defined(__OPTIMIZE__) && defined(CONFIG_FORTIFY_SOURCE)
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr);
 extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp);
 extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy);
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 4bcd656..27321d5 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -8,6 +8,7 @@
 #include <linux/pm.h>
 #include <linux/mm.h>
 #include <linux/freezer.h>
+#include <linux/android_kabi.h>
 #include <asm/errno.h>
 
 #ifdef CONFIG_VT
@@ -185,6 +186,8 @@
 	bool (*suspend_again)(void);
 	void (*end)(void);
 	void (*recover)(void);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct platform_s2idle_ops {
@@ -195,6 +198,8 @@
 	void (*restore_early)(void);
 	void (*restore)(void);
 	void (*end)(void);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #ifdef CONFIG_SUSPEND
@@ -426,6 +431,8 @@
 	int (*pre_restore)(void);
 	void (*restore_cleanup)(void);
 	void (*recover)(void);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #ifdef CONFIG_HIBERNATION
@@ -508,6 +515,7 @@
 extern bool pm_save_wakeup_count(unsigned int count);
 extern void pm_wakep_autosleep_enabled(bool set);
 extern void pm_print_active_wakeup_sources(void);
+extern void pm_get_active_wakeup_sources(char *pending_sources, size_t max);
 
 extern void lock_system_sleep(void);
 extern void unlock_system_sleep(void);
diff --git a/include/linux/swap.h b/include/linux/swap.h
index fbc6805..592e6ec 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -130,6 +130,10 @@
  */
 struct reclaim_state {
 	unsigned long reclaimed_slab;
+#ifdef CONFIG_LRU_GEN
+	/* per-thread mm walk data */
+	struct lru_gen_mm_walk *mm_walk;
+#endif
 };
 
 #ifdef __KERNEL__
@@ -281,6 +285,7 @@
 					 */
 	struct work_struct discard_work; /* discard worker */
 	struct swap_cluster_list discard_clusters; /* discard clusters list */
+	ANDROID_VENDOR_DATA(1);
 	struct plist_node avail_lists[]; /*
 					   * entries in swap_avail_heads, one
 					   * entry per node.
@@ -341,6 +346,10 @@
 extern void lru_add_page_tail(struct page *page, struct page *page_tail,
 			 struct lruvec *lruvec, struct list_head *head);
 extern void mark_page_accessed(struct page *);
+
+extern bool lru_cache_disabled(void);
+extern void lru_cache_disable(void);
+extern void lru_cache_enable(void);
 extern void lru_add_drain(void);
 extern void lru_add_drain_cpu(int cpu);
 extern void lru_add_drain_cpu_zone(struct zone *zone);
@@ -349,10 +358,17 @@
 extern void deactivate_file_page(struct page *page);
 extern void deactivate_page(struct page *page);
 extern void mark_page_lazyfree(struct page *page);
+extern void mark_page_lazyfree_movetail(struct page *page, bool tail);
 extern void swap_setup(void);
 
-extern void lru_cache_add_inactive_or_unevictable(struct page *page,
-						struct vm_area_struct *vma);
+extern void __lru_cache_add_inactive_or_unevictable(struct page *page,
+						unsigned long vma_flags);
+
+static inline void lru_cache_add_inactive_or_unevictable(struct page *page,
+						struct vm_area_struct *vma)
+{
+	return __lru_cache_add_inactive_or_unevictable(page, vma->vm_flags);
+}
 
 /* linux/mm/vmscan.c */
 extern unsigned long zone_reclaimable_pages(struct zone *zone);
@@ -674,7 +690,13 @@
 #endif
 
 #if defined(CONFIG_SWAP) && defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP)
-extern void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask);
+extern void __cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask);
+static inline  void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
+{
+	if (mem_cgroup_disabled())
+		return;
+	__cgroup_throttle_swaprate(page, gfp_mask);
+}
 #else
 static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
 {
@@ -683,8 +705,22 @@
 
 #ifdef CONFIG_MEMCG_SWAP
 extern void mem_cgroup_swapout(struct page *page, swp_entry_t entry);
-extern int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry);
-extern void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages);
+extern int __mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry);
+static inline int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
+{
+	if (mem_cgroup_disabled())
+		return 0;
+	return __mem_cgroup_try_charge_swap(page, entry);
+}
+
+extern void __mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages);
+static inline void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
+{
+	if (mem_cgroup_disabled())
+		return;
+	__mem_cgroup_uncharge_swap(entry, nr_pages);
+}
+
 extern long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg);
 extern bool mem_cgroup_swap_full(struct page *page);
 #else
diff --git a/include/linux/swap_slots.h b/include/linux/swap_slots.h
index 347f1a3..c4dc91e 100644
--- a/include/linux/swap_slots.h
+++ b/include/linux/swap_slots.h
@@ -19,6 +19,7 @@
 	spinlock_t	free_lock;  /* protects slots_ret, n_ret */
 	swp_entry_t	*slots_ret;
 	int		n_ret;
+	ANDROID_VENDOR_DATA(1);
 };
 
 void disable_swap_slots_cache_lock(void);
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 5d2dbe7..b0cb2a9 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -2,10 +2,12 @@
 #ifndef __LINUX_SWIOTLB_H
 #define __LINUX_SWIOTLB_H
 
+#include <linux/device.h>
 #include <linux/dma-direction.h>
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/limits.h>
+#include <linux/spinlock.h>
 
 struct device;
 struct page;
@@ -31,22 +33,16 @@
 #define IO_TLB_SHIFT 11
 #define IO_TLB_SIZE (1 << IO_TLB_SHIFT)
 
+/* default to 64MB */
+#define IO_TLB_DEFAULT_SIZE (64UL<<20)
+
 extern void swiotlb_init(int verbose);
 int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
-extern unsigned long swiotlb_nr_tbl(void);
 unsigned long swiotlb_size_or_default(void);
 extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs);
 extern int swiotlb_late_init_with_default_size(size_t default_size);
 extern void __init swiotlb_update_mem_attributes(void);
 
-/*
- * Enumeration for sync targets
- */
-enum dma_sync_target {
-	SYNC_FOR_CPU = 0,
-	SYNC_FOR_DEVICE = 1,
-};
-
 phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys,
 		size_t mapping_size, size_t alloc_size,
 		enum dma_data_direction dir, unsigned long attrs);
@@ -54,34 +50,89 @@
 extern void swiotlb_tbl_unmap_single(struct device *hwdev,
 				     phys_addr_t tlb_addr,
 				     size_t mapping_size,
-				     size_t alloc_size,
 				     enum dma_data_direction dir,
 				     unsigned long attrs);
 
-extern void swiotlb_tbl_sync_single(struct device *hwdev,
-				    phys_addr_t tlb_addr,
-				    size_t size, enum dma_data_direction dir,
-				    enum dma_sync_target target);
-
+void swiotlb_sync_single_for_device(struct device *dev, phys_addr_t tlb_addr,
+		size_t size, enum dma_data_direction dir);
+void swiotlb_sync_single_for_cpu(struct device *dev, phys_addr_t tlb_addr,
+		size_t size, enum dma_data_direction dir);
 dma_addr_t swiotlb_map(struct device *dev, phys_addr_t phys,
 		size_t size, enum dma_data_direction dir, unsigned long attrs);
 
 #ifdef CONFIG_SWIOTLB
 extern enum swiotlb_force swiotlb_force;
-extern phys_addr_t io_tlb_start, io_tlb_end;
 
-static inline bool is_swiotlb_buffer(phys_addr_t paddr)
+/**
+ * struct io_tlb_mem - IO TLB Memory Pool Descriptor
+ *
+ * @start:	The start address of the swiotlb memory pool. Used to do a quick
+ *		range check to see if the memory was in fact allocated by this
+ *		API.
+ * @end:	The end address of the swiotlb memory pool. Used to do a quick
+ *		range check to see if the memory was in fact allocated by this
+ *		API.
+ * @nslabs:	The number of IO TLB blocks (in groups of 64) between @start and
+ *		@end. For default swiotlb, this is command line adjustable via
+ *		setup_io_tlb_npages.
+ * @used:	The number of used IO TLB block.
+ * @list:	The free list describing the number of free entries available
+ *		from each index.
+ * @index:	The index to start searching in the next round.
+ * @orig_addr:	The original address corresponding to a mapped entry.
+ * @alloc_size:	Size of the allocated buffer.
+ * @lock:	The lock to protect the above data structures in the map and
+ *		unmap calls.
+ * @debugfs:	The dentry to debugfs.
+ * @late_alloc:	%true if allocated using the page allocator
+ * @force_bounce: %true if swiotlb bouncing is forced
+ * @for_alloc:  %true if the pool is used for memory allocation
+ */
+struct io_tlb_mem {
+	phys_addr_t start;
+	phys_addr_t end;
+	unsigned long nslabs;
+	unsigned long used;
+	unsigned int index;
+	spinlock_t lock;
+	struct dentry *debugfs;
+	bool late_alloc;
+	bool force_bounce;
+	bool for_alloc;
+	struct io_tlb_slot {
+		phys_addr_t orig_addr;
+		size_t alloc_size;
+		unsigned int list;
+	} *slots;
+};
+extern struct io_tlb_mem io_tlb_default_mem;
+
+static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr)
 {
-	return paddr >= io_tlb_start && paddr < io_tlb_end;
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
+
+	return mem && paddr >= mem->start && paddr < mem->end;
+}
+
+static inline bool is_swiotlb_force_bounce(struct device *dev)
+{
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
+
+	return mem && mem->force_bounce;
 }
 
 void __init swiotlb_exit(void);
 unsigned int swiotlb_max_segment(void);
 size_t swiotlb_max_mapping_size(struct device *dev);
-bool is_swiotlb_active(void);
+bool is_swiotlb_active(struct device *dev);
+void __init swiotlb_adjust_size(unsigned long size);
 #else
 #define swiotlb_force SWIOTLB_NO_FORCE
-static inline bool is_swiotlb_buffer(phys_addr_t paddr)
+static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr)
+{
+	return false;
+}
+static inline bool is_swiotlb_force_bounce(struct device *dev)
 {
 	return false;
 }
@@ -97,13 +148,41 @@
 	return SIZE_MAX;
 }
 
-static inline bool is_swiotlb_active(void)
+static inline bool is_swiotlb_active(struct device *dev)
 {
 	return false;
 }
+
+static inline void swiotlb_adjust_size(unsigned long size)
+{
+}
 #endif /* CONFIG_SWIOTLB */
 
 extern void swiotlb_print_info(void);
 extern void swiotlb_set_max_segment(unsigned int);
 
+#ifdef CONFIG_DMA_RESTRICTED_POOL
+struct page *swiotlb_alloc(struct device *dev, size_t size);
+bool swiotlb_free(struct device *dev, struct page *page, size_t size);
+
+static inline bool is_swiotlb_for_alloc(struct device *dev)
+{
+	return dev->dma_io_tlb_mem->for_alloc;
+}
+#else
+static inline struct page *swiotlb_alloc(struct device *dev, size_t size)
+{
+	return NULL;
+}
+static inline bool swiotlb_free(struct device *dev, struct page *page,
+				size_t size)
+{
+	return false;
+}
+static inline bool is_swiotlb_for_alloc(struct device *dev)
+{
+	return false;
+}
+#endif /* CONFIG_DMA_RESTRICTED_POOL */
+
 #endif /* __LINUX_SWIOTLB_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index a058c96..1c170be 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -905,6 +905,7 @@
 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
 asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
 			size_t vlen, int behavior, unsigned int flags);
+asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
 			unsigned long prot, unsigned long pgoff,
 			unsigned long flags);
diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index 6f6acce..bb26108 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -19,6 +19,8 @@
 	u64 syscr;
 	/* # of write syscalls */
 	u64 syscw;
+	/* # of fsync syscalls */
+	u64 syscfs;
 #endif /* CONFIG_TASK_XACCT */
 
 #ifdef CONFIG_TASK_IO_ACCOUNTING
diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h
index bb5498b..733ab62 100644
--- a/include/linux/task_io_accounting_ops.h
+++ b/include/linux/task_io_accounting_ops.h
@@ -97,6 +97,7 @@
 	dst->wchar += src->wchar;
 	dst->syscr += src->syscr;
 	dst->syscw += src->syscw;
+	dst->syscfs += src->syscfs;
 }
 #else
 static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 11a9814..33c56fb 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -16,6 +16,7 @@
 
 #include <linux/skbuff.h>
 #include <linux/win_minmax.h>
+#include <linux/android_kabi.h>
 #include <net/sock.h>
 #include <net/inet_connection_sock.h>
 #include <net/inet_timewait_sock.h>
@@ -265,7 +266,12 @@
 	u32	packets_out;	/* Packets which are "in flight"	*/
 	u32	retrans_out;	/* Retransmitted packets out		*/
 	u32	max_packets_out;  /* max packets_out in last window */
-	u32	cwnd_usage_seq;  /* right edge of cwnd usage tracking flight */
+	/* ANDROID:
+	 * max_packets_seq is really cwnd_usage_seq upstream, old name kept
+	 * to preserve ABI due to changes in commit 49d429760df7 ("tcp: fix
+	 * tcp_cwnd_validate() to not forget is_cwnd_limited")
+	 */
+	u32	max_packets_seq; /* right edge of cwnd usage tracking flight */
 
 	u16	urg_data;	/* Saved octet of OOB data and control flags */
 	u8	ecn_flags;	/* ECN status bits.			*/
@@ -412,6 +418,8 @@
 	 */
 	struct request_sock __rcu *fastopen_rsk;
 	struct saved_syn *saved_syn;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 enum tsq_enum {
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 7097d4d..a8b81be 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -15,6 +15,7 @@
 #include <linux/device.h>
 #include <linux/sysfs.h>
 #include <linux/workqueue.h>
+#include <linux/android_kabi.h>
 #include <uapi/linux/thermal.h>
 
 #define THERMAL_TRIPS_NONE	-1
@@ -79,6 +80,7 @@
 			  enum thermal_trend *);
 	int (*notify) (struct thermal_zone_device *, int,
 		       enum thermal_trip_type);
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct thermal_cooling_device_ops {
@@ -88,11 +90,13 @@
 	int (*get_requested_power)(struct thermal_cooling_device *, u32 *);
 	int (*state2power)(struct thermal_cooling_device *, unsigned long, u32 *);
 	int (*power2state)(struct thermal_cooling_device *, u32, unsigned long *);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct thermal_cooling_device {
 	int id;
-	char *type;
+	char type[THERMAL_NAME_LENGTH];
 	struct device device;
 	struct device_node *np;
 	void *devdata;
@@ -102,6 +106,8 @@
 	struct mutex lock; /* protect thermal_instances list */
 	struct list_head thermal_instances;
 	struct list_head node;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -179,6 +185,8 @@
 	struct list_head node;
 	struct delayed_work poll_queue;
 	enum thermal_notify_event notify_event;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -199,6 +207,8 @@
 	void (*unbind_from_tz)(struct thermal_zone_device *tz);
 	int (*throttle)(struct thermal_zone_device *tz, int trip);
 	struct list_head	governor_list;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* Structure that holds binding parameters for a zone */
@@ -234,6 +244,8 @@
 	unsigned long *binding_limits;
 	int (*match) (struct thermal_zone_device *tz,
 			struct thermal_cooling_device *cdev);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* Structure to define Thermal Zone parameters */
@@ -287,6 +299,8 @@
 	 * 		Used by thermal zone drivers (default 0).
 	 */
 	int offset;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -311,6 +325,8 @@
 	int (*set_trips)(void *, int, int);
 	int (*set_emul_temp)(void *, int);
 	int (*set_trip_temp)(void *, int, int);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* Function declarations */
@@ -399,6 +415,7 @@
 void thermal_notify_framework(struct thermal_zone_device *, int);
 int thermal_zone_device_enable(struct thermal_zone_device *tz);
 int thermal_zone_device_disable(struct thermal_zone_device *tz);
+int thermal_zone_device_is_enabled(struct thermal_zone_device *tz);
 #else
 static inline struct thermal_zone_device *thermal_zone_device_register(
 	const char *type, int trips, int mask, void *devdata,
@@ -453,6 +470,10 @@
 
 static inline int thermal_zone_device_disable(struct thermal_zone_device *tz)
 { return -ENODEV; }
+
+static inline int
+thermal_zone_device_is_enabled(struct thermal_zone_device *tz)
+{ return -ENODEV; }
 #endif /* CONFIG_THERMAL */
 
 #endif /* __THERMAL_H__ */
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 7f7e4a3..2ee0535 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -3,6 +3,7 @@
 #define _LINUX_TIMEKEEPING_H
 
 #include <linux/errno.h>
+#include <linux/clocksource_ids.h>
 
 /* Included from linux/ktime.h */
 
@@ -244,11 +245,12 @@
  * @cs_was_changed_seq:	The sequence number of clocksource change events
  */
 struct system_time_snapshot {
-	u64		cycles;
-	ktime_t		real;
-	ktime_t		raw;
-	unsigned int	clock_was_set_seq;
-	u8		cs_was_changed_seq;
+	u64			cycles;
+	ktime_t			real;
+	ktime_t			raw;
+	enum clocksource_ids	cs_id;
+	unsigned int		clock_was_set_seq;
+	u8			cs_was_changed_seq;
 };
 
 /**
diff --git a/include/linux/timer.h b/include/linux/timer.h
index d10bc7e..a01c238 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -7,6 +7,7 @@
 #include <linux/stddef.h>
 #include <linux/debugobjects.h>
 #include <linux/stringify.h>
+#include <linux/android_kabi.h>
 
 struct timer_list {
 	/*
@@ -21,6 +22,9 @@
 #ifdef CONFIG_LOCKDEP
 	struct lockdep_map	lockdep_map;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 #ifdef CONFIG_LOCKDEP
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index f7ed047..113b42a 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -55,8 +55,6 @@
 
 int trace_raw_output_prep(struct trace_iterator *iter,
 			  struct trace_event *event);
-extern __printf(2, 3)
-void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...);
 
 /*
  * The trace entry - the most basic unit of tracing. This is what
@@ -89,8 +87,6 @@
 	unsigned long		iter_flags;
 	void			*temp;	/* temp holder */
 	unsigned int		temp_size;
-	char			*fmt;	/* modified format holder */
-	unsigned int		fmt_size;
 
 	/* trace_seq for __print_flags() and __print_symbolic() etc. */
 	struct trace_seq	tmp_seq;
@@ -369,7 +365,6 @@
 	EVENT_FILE_FL_TRIGGER_COND_BIT,
 	EVENT_FILE_FL_PID_FILTER_BIT,
 	EVENT_FILE_FL_WAS_ENABLED_BIT,
-	EVENT_FILE_FL_FREED_BIT,
 };
 
 extern struct trace_event_file *trace_get_event_file(const char *instance,
@@ -508,7 +503,6 @@
  *  TRIGGER_COND  - When set, one or more triggers has an associated filter
  *  PID_FILTER    - When set, the event is filtered based on pid
  *  WAS_ENABLED   - Set when enabled to know to clear trace on module removal
- *  FREED         - File descriptor is freed, all fields should be considered invalid
  */
 enum {
 	EVENT_FILE_FL_ENABLED		= (1 << EVENT_FILE_FL_ENABLED_BIT),
@@ -522,7 +516,6 @@
 	EVENT_FILE_FL_TRIGGER_COND	= (1 << EVENT_FILE_FL_TRIGGER_COND_BIT),
 	EVENT_FILE_FL_PID_FILTER	= (1 << EVENT_FILE_FL_PID_FILTER_BIT),
 	EVENT_FILE_FL_WAS_ENABLED	= (1 << EVENT_FILE_FL_WAS_ENABLED_BIT),
-	EVENT_FILE_FL_FREED		= (1 << EVENT_FILE_FL_FREED_BIT),
 };
 
 struct trace_event_file {
@@ -551,7 +544,6 @@
 	 * caching and such. Which is mostly OK ;-)
 	 */
 	unsigned long		flags;
-	atomic_t		ref;	/* ref count for opened files */
 	atomic_t		sm_ref;	/* soft-mode reference counter */
 	atomic_t		tm_ref;	/* trigger-mode reference counter */
 };
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 4e1356c..3645be5 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -244,7 +244,7 @@
 	extern int __traceiter_##name(data_proto);			\
 	DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name);	\
 	extern struct tracepoint __tracepoint_##name;			\
-	static inline void trace_##name(proto)				\
+	static inline void __nocfi trace_##name(proto)				\
 	{								\
 		if (static_key_false(&__tracepoint_##name.key))		\
 			__DO_TRACE(name,				\
@@ -307,7 +307,7 @@
 		.unregfunc = _unreg,					\
 		.funcs = NULL };					\
 	__TRACEPOINT_ENTRY(_name);					\
-	int __traceiter_##_name(void *__data, proto)			\
+	int __nocfi __traceiter_##_name(void *__data, proto)			\
 	{								\
 		struct tracepoint_func *it_func_ptr;			\
 		void *it_func;						\
diff --git a/include/linux/tty.h b/include/linux/tty.h
index e51d75f5..688f380 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -14,6 +14,7 @@
 #include <uapi/linux/tty.h>
 #include <linux/rwsem.h>
 #include <linux/llist.h>
+#include <linux/android_kabi.h>
 
 
 /*
@@ -194,6 +195,8 @@
 	int (*activate)(struct tty_port *port, struct tty_struct *tty);
 	/* Called on the final put of a port */
 	void (*destruct)(struct tty_port *port);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct tty_port_client_operations {
@@ -228,6 +231,8 @@
 						   set to size of fifo */
 	struct kref		kref;		/* Ref counter */
 	void 			*client_data;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* tty_port::iflags bits -- use atomic bit ops */
@@ -317,6 +322,9 @@
 	/* If the tty has a pending do_SAK, queue it here - akpm */
 	struct work_struct SAK_work;
 	struct tty_port *port;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 /* Each of a tty's open files has private_data pointing to tty_file_private */
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 2f719b4..0c1b074 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -237,6 +237,7 @@
 #include <linux/cdev.h>
 #include <linux/termios.h>
 #include <linux/seq_file.h>
+#include <linux/android_kabi.h>
 
 struct tty_struct;
 struct tty_driver;
@@ -288,6 +289,9 @@
 	void (*poll_put_char)(struct tty_driver *driver, int line, char ch);
 #endif
 	int (*proc_show)(struct seq_file *, void *);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 struct tty_driver {
@@ -322,6 +326,9 @@
 
 	const struct tty_operations *ops;
 	struct list_head tty_drivers;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 extern struct list_head tty_drivers;
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 572a079..689ba48 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -126,6 +126,7 @@
 #include <linux/fs.h>
 #include <linux/wait.h>
 #include <linux/atomic.h>
+#include <linux/android_kabi.h>
 
 /*
  * the semaphore definition
@@ -211,6 +212,9 @@
 	struct  module *owner;
 
 	int refcount;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct tty_ldisc {
diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index 54bf6b1..77131e8 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -16,6 +16,7 @@
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/interrupt.h>
+#include <linux/android_kabi.h>
 
 struct module;
 struct uio_map;
@@ -77,6 +78,8 @@
 	struct mutex		info_lock;
 	struct kobject          *map_dir;
 	struct kobject          *portio_dir;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -109,6 +112,7 @@
 	int (*open)(struct uio_info *info, struct inode *inode);
 	int (*release)(struct uio_info *info, struct inode *inode);
 	int (*irqcontrol)(struct uio_info *info, s32 irq_on);
+	ANDROID_KABI_RESERVE(1);
 };
 
 extern int __must_check
diff --git a/include/linux/usb.h b/include/linux/usb.h
index e02cf70..57c1a53 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -22,6 +22,7 @@
 #include <linux/sched.h>	/* for current && schedule_timeout */
 #include <linux/mutex.h>	/* for struct mutex */
 #include <linux/pm_runtime.h>	/* for runtime PM */
+#include <linux/android_kabi.h>
 
 struct usb_device;
 struct usb_driver;
@@ -257,6 +258,11 @@
 	struct device dev;		/* interface specific device info */
 	struct device *usb_dev;
 	struct work_struct reset_ws;	/* for resets in atomic context */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #define	to_usb_interface(d) container_of(d, struct usb_interface, dev)
 
@@ -407,6 +413,11 @@
 	struct usb_ssp_cap_descriptor	*ssp_cap;
 	struct usb_ss_container_id_descriptor	*ss_id;
 	struct usb_ptm_cap_descriptor	*ptm_cap;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 int __usb_get_extra_descriptor(char *buffer, unsigned size,
@@ -470,6 +481,11 @@
 	struct mon_bus *mon_bus;	/* non-null when associated */
 	int monitored;			/* non-zero when monitored */
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct usb_dev_state;
@@ -478,6 +494,12 @@
 
 struct usb_tt;
 
+enum usb_device_removable {
+	USB_DEVICE_REMOVABLE_UNKNOWN = 0,
+	USB_DEVICE_REMOVABLE,
+	USB_DEVICE_FIXED,
+};
+
 enum usb_port_connect_type {
 	USB_PORT_CONNECT_TYPE_UNKNOWN = 0,
 	USB_PORT_CONNECT_TYPE_HOT_PLUG,
@@ -559,7 +581,6 @@
  * @speed: device speed: high/full/low (or error)
  * @rx_lanes: number of rx lanes in use, USB 3.2 adds dual-lane support
  * @tx_lanes: number of tx lanes in use, USB 3.2 adds dual-lane support
- * @ssp_rate: SuperSpeed Plus phy signaling rate and lane count
  * @tt: Transaction Translator info; used with low/full speed dev, highspeed hub
  * @ttport: device port on that tt hub
  * @toggle: one bit for each endpoint, with ([0] = IN, [1] = OUT) endpoints
@@ -580,7 +601,6 @@
  * @devaddr: device address, XHCI: assigned by HW, others: same as devnum
  * @can_submit: URBs may be submitted
  * @persist_enabled:  USB_PERSIST enabled for this device
- * @reset_in_progress: the device is being reset
  * @have_langid: whether string_langid is valid
  * @authorized: policy has said we can use it;
  *	(user space) policy determines if we authorize this device to be
@@ -637,7 +657,6 @@
 	enum usb_device_speed	speed;
 	unsigned int		rx_lanes;
 	unsigned int		tx_lanes;
-	enum usb_ssp_rate	ssp_rate;
 
 	struct usb_tt	*tt;
 	int		ttport;
@@ -667,7 +686,6 @@
 
 	unsigned can_submit:1;
 	unsigned persist_enabled:1;
-	unsigned reset_in_progress:1;
 	unsigned have_langid:1;
 	unsigned authorized:1;
 	unsigned authenticated:1;
@@ -704,6 +722,7 @@
 #endif
 	struct wusb_dev *wusb_dev;
 	int slot_id;
+	enum usb_device_removable removable;
 	struct usb2_lpm_parameters l1_params;
 	struct usb3_lpm_parameters u1_params;
 	struct usb3_lpm_parameters u2_params;
@@ -711,6 +730,11 @@
 
 	u16 hub_delay;
 	unsigned use_generic_driver:1;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #define	to_usb_device(d) container_of(d, struct usb_device, dev)
 
@@ -1215,6 +1239,11 @@
 	unsigned int supports_autosuspend:1;
 	unsigned int disable_hub_initiated_lpm:1;
 	unsigned int soft_unbind:1;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #define	to_usb_driver(d) container_of(d, struct usb_driver, drvwrap.driver)
 
@@ -1600,6 +1629,12 @@
 	int error_count;		/* (return) number of ISO errors */
 	void *context;			/* (in) context for completion */
 	usb_complete_t complete;	/* (in) completion routine */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
 	struct usb_iso_packet_descriptor iso_frame_desc[];
 					/* (in) ISO ONLY */
 };
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index a2d229a..4d35220 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -525,6 +525,8 @@
 extern int usb_string_ids_n(struct usb_composite_dev *c, unsigned n);
 
 extern void composite_disconnect(struct usb_gadget *gadget);
+extern void composite_reset(struct usb_gadget *gadget);
+
 extern int composite_setup(struct usb_gadget *gadget,
 		const struct usb_ctrlrequest *ctrl);
 extern void composite_suspend(struct usb_gadget *gadget);
@@ -590,6 +592,7 @@
 	struct config_group group;
 	struct list_head cfs_list;
 	struct usb_function_driver *fd;
+	struct usb_function *f;
 	int (*set_inst_name)(struct usb_function_instance *inst,
 			      const char *name);
 	void (*free_func_inst)(struct usb_function_instance *inst);
diff --git a/include/linux/usb/f_accessory.h b/include/linux/usb/f_accessory.h
new file mode 100644
index 0000000..ebe3c4d
--- /dev/null
+++ b/include/linux/usb/f_accessory.h
@@ -0,0 +1,23 @@
+/*
+ * Gadget Function Driver for Android USB accessories
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Author: Mike Lockwood <lockwood@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_USB_F_ACCESSORY_H
+#define __LINUX_USB_F_ACCESSORY_H
+
+#include <uapi/linux/usb/f_accessory.h>
+
+#endif /* __LINUX_USB_F_ACCESSORY_H */
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 11df3d5..2286ff7 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -26,6 +26,7 @@
 #include <linux/types.h>
 #include <linux/workqueue.h>
 #include <linux/usb/ch9.h>
+#include <linux/android_kabi.h>
 
 #define UDC_TRACE_STR_MAX	512
 
@@ -122,6 +123,8 @@
 
 	int			status;
 	unsigned		actual;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*-------------------------------------------------------------------------*/
@@ -152,6 +155,8 @@
 
 	int (*fifo_status) (struct usb_ep *ep);
 	void (*fifo_flush) (struct usb_ep *ep);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -240,6 +245,8 @@
 	u8			address;
 	const struct usb_endpoint_descriptor	*desc;
 	const struct usb_ss_ep_comp_descriptor	*comp_desc;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*-------------------------------------------------------------------------*/
@@ -323,10 +330,18 @@
 			struct usb_gadget_driver *);
 	int	(*udc_stop)(struct usb_gadget *);
 	void	(*udc_set_speed)(struct usb_gadget *, enum usb_device_speed);
+	void	(*udc_set_ssp_rate)(struct usb_gadget *gadget,
+			enum usb_ssp_rate rate);
+	void	(*udc_async_callbacks)(struct usb_gadget *gadget, bool enable);
 	struct usb_ep *(*match_ep)(struct usb_gadget *,
 			struct usb_endpoint_descriptor *,
 			struct usb_ss_ep_comp_descriptor *);
 	int	(*check_config)(struct usb_gadget *gadget);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /**
@@ -340,6 +355,10 @@
  * @speed: Speed of current connection to USB host.
  * @max_speed: Maximal speed the UDC can handle.  UDC must support this
  *      and all slower speeds.
+ * @ssp_rate: Current connected SuperSpeed Plus signaling rate and lane count.
+ * @max_ssp_rate: Maximum SuperSpeed Plus signaling rate and lane count the UDC
+ *	can handle. The UDC must support this and all slower speeds and lower
+ *	number of lanes.
  * @state: the state we are now (attached, suspended, configured, etc)
  * @name: Identifies the controller hardware type.  Used in diagnostics
  *	and sometimes configuration.
@@ -407,6 +426,11 @@
 	struct list_head		ep_list;	/* of usb_ep */
 	enum usb_device_speed		speed;
 	enum usb_device_speed		max_speed;
+
+	/* USB SuperSpeed Plus only */
+	enum usb_ssp_rate		ssp_rate;
+	enum usb_ssp_rate		max_ssp_rate;
+
 	enum usb_device_state		state;
 	const char			*name;
 	struct device			dev;
@@ -434,6 +458,11 @@
 	unsigned			connected:1;
 	unsigned			lpm_capable:1;
 	int				irq;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #define work_to_gadget(w)	(container_of((w), struct usb_gadget, work))
 
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 528be670..42d63c2 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -25,6 +25,7 @@
 #include <linux/rwsem.h>
 #include <linux/interrupt.h>
 #include <linux/idr.h>
+#include <linux/android_kabi.h>
 
 #define MAX_TOPO_LEVEL		6
 
@@ -66,7 +67,6 @@
 
 struct giveback_urb_bh {
 	bool running;
-	bool high_prio;
 	spinlock_t lock;
 	struct list_head  head;
 	struct tasklet_struct bh;
@@ -228,6 +228,11 @@
 	 * (ohci 32, uhci 1024, ehci 256/512/1024).
 	 */
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
 	/* The HC driver's private data is stored at the end of
 	 * this structure.
 	 */
@@ -413,6 +418,10 @@
 	/* Call for power on/off the port if necessary */
 	int	(*port_power)(struct usb_hcd *hcd, int portnum, bool enable);
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd)
@@ -569,6 +578,11 @@
 	spinlock_t		lock;
 	struct list_head	clear_list;	/* of usb_tt_clear */
 	struct work_struct	clear_work;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct usb_tt_clear {
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 69f1b63..10cb3d1 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -12,6 +12,7 @@
 
 #include <linux/phy/phy.h>
 #include <linux/usb/phy.h>
+#include <linux/android_kabi.h>
 
 struct usb_otg {
 	u8			default_a;
@@ -40,6 +41,7 @@
 	/* start or continue HNP role switch */
 	int	(*start_hnp)(struct usb_otg *otg);
 
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h
index 433040f..96b7ff6 100644
--- a/include/linux/usb/pd.h
+++ b/include/linux/usb/pd.h
@@ -225,6 +225,7 @@
 #define PDO_FIXED_EXTPOWER		BIT(27) /* Externally powered */
 #define PDO_FIXED_USB_COMM		BIT(26) /* USB communications capable */
 #define PDO_FIXED_DATA_SWAP		BIT(25) /* Data role swap supported */
+#define PDO_FIXED_UNCHUNK_EXT		BIT(24) /* Unchunked Extended Message supported (Source) */
 #define PDO_FIXED_FRS_CURR_MASK		(BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */
 #define PDO_FIXED_FRS_CURR_SHIFT	23
 #define PDO_FIXED_VOLT_SHIFT		10	/* 50mV units */
@@ -466,6 +467,7 @@
 #define PD_T_DRP_SRC		30
 #define PD_T_PS_SOURCE_OFF	920
 #define PD_T_PS_SOURCE_ON	480
+#define PD_T_PS_SOURCE_ON_PRS	450	/* 390 - 480ms */
 #define PD_T_PS_HARD_RESET	30
 #define PD_T_SRC_RECOVER	760
 #define PD_T_SRC_RECOVER_MAX	1000
@@ -478,14 +480,19 @@
 #define PD_T_NEWSRC		250	/* Maximum of 275ms */
 #define PD_T_SWAP_SRC_START	20	/* Minimum of 20ms */
 #define PD_T_BIST_CONT_MODE	50	/* 30 - 60 ms */
+#define PD_T_SINK_TX		16	/* 16 - 20 ms */
+#define PD_T_CHUNK_NOT_SUPP	42	/* 40 - 50 ms */
 
 #define PD_T_DRP_TRY		100	/* 75 - 150 ms */
 #define PD_T_DRP_TRYWAIT	600	/* 400 - 800 ms */
 
 #define PD_T_CC_DEBOUNCE	200	/* 100 - 200 ms */
 #define PD_T_PD_DEBOUNCE	20	/* 10 - 20 ms */
+#define PD_T_TRY_CC_DEBOUNCE	15	/* 10 - 20 ms */
 
 #define PD_N_CAPS_COUNT		(PD_T_NO_RESPONSE / PD_T_SEND_SOURCE_CAP)
 #define PD_N_HARD_RESET_COUNT	2
 
+#define PD_P_SNK_STDBY_MW	2500	/* 2500 mW */
+
 #endif /* __LINUX_USB_PD_H */
diff --git a/include/linux/usb/pd_ext_sdb.h b/include/linux/usb/pd_ext_sdb.h
index 0eb83ce..b517ebc 100644
--- a/include/linux/usb/pd_ext_sdb.h
+++ b/include/linux/usb/pd_ext_sdb.h
@@ -24,8 +24,4 @@
 #define USB_PD_EXT_SDB_EVENT_OVP		BIT(3)
 #define USB_PD_EXT_SDB_EVENT_CF_CV_MODE		BIT(4)
 
-#define USB_PD_EXT_SDB_PPS_EVENTS	(USB_PD_EXT_SDB_EVENT_OCP |	\
-					 USB_PD_EXT_SDB_EVENT_OTP |	\
-					 USB_PD_EXT_SDB_EVENT_OVP)
-
 #endif /* __LINUX_USB_PD_EXT_SDB_H */
diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h
index 68bdc4e..7f5e330 100644
--- a/include/linux/usb/pd_vdo.h
+++ b/include/linux/usb/pd_vdo.h
@@ -21,22 +21,24 @@
  * ----------
  * <31:16>  :: SVID
  * <15>     :: VDM type ( 1b == structured, 0b == unstructured )
- * <14:13>  :: Structured VDM version (can only be 00 == 1.0 currently)
+ * <14:13>  :: Structured VDM version
  * <12:11>  :: reserved
  * <10:8>   :: object position (1-7 valid ... used for enter/exit mode only)
  * <7:6>    :: command type (SVDM only?)
  * <5>      :: reserved (SVDM), command type (UVDM)
  * <4:0>    :: command
  */
-#define VDO(vid, type, custom)				\
+#define VDO(vid, type, ver, custom)			\
 	(((vid) << 16) |				\
 	 ((type) << 15) |				\
+	 ((ver) << 13) |				\
 	 ((custom) & 0x7FFF))
 
 #define VDO_SVDM_TYPE		(1 << 15)
 #define VDO_SVDM_VERS(x)	((x) << 13)
 #define VDO_OPOS(x)		((x) << 8)
 #define VDO_CMDT(x)		((x) << 6)
+#define VDO_SVDM_VERS_MASK	VDO_SVDM_VERS(0x3)
 #define VDO_OPOS_MASK		VDO_OPOS(0x7)
 #define VDO_CMDT_MASK		VDO_CMDT(0x3)
 
@@ -74,6 +76,7 @@
 
 #define PD_VDO_VID(vdo)		((vdo) >> 16)
 #define PD_VDO_SVDM(vdo)	(((vdo) >> 15) & 1)
+#define PD_VDO_SVDM_VER(vdo)	(((vdo) >> 13) & 0x3)
 #define PD_VDO_OPOS(vdo)	(((vdo) >> 8) & 0x7)
 #define PD_VDO_CMD(vdo)		((vdo) & 0x1f)
 #define PD_VDO_CMDT(vdo)	(((vdo) >> 6) & 0x3)
@@ -103,25 +106,50 @@
  * --------------------
  * <31>     :: data capable as a USB host
  * <30>     :: data capable as a USB device
- * <29:27>  :: product type
+ * <29:27>  :: product type (UFP / Cable / VPD)
  * <26>     :: modal operation supported (1b == yes)
- * <25:16>  :: Reserved, Shall be set to zero
+ * <25:23>  :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <22:21>  :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <20:16>  :: Reserved, Shall be set to zero
  * <15:0>   :: USB-IF assigned VID for this cable vendor
  */
+
+/* PD Rev2.0 definition */
 #define IDH_PTYPE_UNDEF		0
+
+/* SOP Product Type (UFP) */
+#define IDH_PTYPE_NOT_UFP	0
 #define IDH_PTYPE_HUB		1
 #define IDH_PTYPE_PERIPH	2
-#define IDH_PTYPE_PCABLE	3
-#define IDH_PTYPE_ACABLE	4
+#define IDH_PTYPE_PSD		3
 #define IDH_PTYPE_AMA		5
 
-#define VDO_IDH(usbh, usbd, ptype, is_modal, vid)		\
-	((usbh) << 31 | (usbd) << 30 | ((ptype) & 0x7) << 27	\
-	 | (is_modal) << 26 | ((vid) & 0xffff))
+/* SOP' Product Type (Cable Plug / VPD) */
+#define IDH_PTYPE_NOT_CABLE	0
+#define IDH_PTYPE_PCABLE	3
+#define IDH_PTYPE_ACABLE	4
+#define IDH_PTYPE_VPD		6
+
+/* SOP Product Type (DFP) */
+#define IDH_PTYPE_NOT_DFP	0
+#define IDH_PTYPE_DFP_HUB	1
+#define IDH_PTYPE_DFP_HOST	2
+#define IDH_PTYPE_DFP_PB	3
+
+/* ID Header Mask */
+#define IDH_DFP_MASK		GENMASK(25, 23)
+#define IDH_CONN_MASK		GENMASK(22, 21)
+
+#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid)		\
+	((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27		\
+	 | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21	\
+	 | ((vid) & 0xffff))
 
 #define PD_IDH_PTYPE(vdo)	(((vdo) >> 27) & 0x7)
 #define PD_IDH_VID(vdo)		((vdo) & 0xffff)
 #define PD_IDH_MODAL_SUPP(vdo)	((vdo) & (1 << 26))
+#define PD_IDH_DFP_PTYPE(vdo)	(((vdo) >> 23) & 0x7)
+#define PD_IDH_CONN_TYPE(vdo)	(((vdo) >> 21) & 0x3)
 
 /*
  * Cert Stat VDO
@@ -129,6 +157,7 @@
  * <31:0>  : USB-IF assigned XID for this cable
  */
 #define PD_CSTAT_XID(vdo)	(vdo)
+#define VDO_CERT(xid)		((xid) & 0xffffffff)
 
 /*
  * Product VDO
@@ -140,77 +169,270 @@
 #define PD_PRODUCT_PID(vdo)	(((vdo) >> 16) & 0xffff)
 
 /*
- * UFP VDO1
+ * UFP VDO (PD Revision 3.0+ only)
  * --------
  * <31:29> :: UFP VDO version
  * <28>    :: Reserved
  * <27:24> :: Device capability
- * <23:6>  :: Reserved
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:11> :: Reserved
+ * <10:8>  :: Vconn power (AMA only)
+ * <7>     :: Vconn required (AMA only, 0b == no, 1b == yes)
+ * <6>     :: Vbus required (AMA only, 0b == yes, 1b == no)
  * <5:3>   :: Alternate modes
  * <2:0>   :: USB highest speed
  */
-#define PD_VDO1_UFP_DEVCAP(vdo)	(((vdo) & GENMASK(27, 24)) >> 24)
+#define PD_VDO_UFP_DEVCAP(vdo)	(((vdo) & GENMASK(27, 24)) >> 24)
 
+/* UFP VDO Version */
+#define UFP_VDO_VER1_2		2
+
+/* Device Capability */
 #define DEV_USB2_CAPABLE	BIT(0)
 #define DEV_USB2_BILLBOARD	BIT(1)
 #define DEV_USB3_CAPABLE	BIT(2)
 #define DEV_USB4_CAPABLE	BIT(3)
 
+/* Connector Type */
+#define UFP_RECEPTACLE		2
+#define UFP_CAPTIVE		3
+
+/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
+#define AMA_VCONN_PWR_1W	0
+#define AMA_VCONN_PWR_1W5	1
+#define AMA_VCONN_PWR_2W	2
+#define AMA_VCONN_PWR_3W	3
+#define AMA_VCONN_PWR_4W	4
+#define AMA_VCONN_PWR_5W	5
+#define AMA_VCONN_PWR_6W	6
+
+/* Vconn Required (AMA only) */
+#define AMA_VCONN_NOT_REQ	0
+#define AMA_VCONN_REQ		1
+
+/* Vbus Required (AMA only) */
+#define AMA_VBUS_REQ		0
+#define AMA_VBUS_NOT_REQ	1
+
+/* Alternate Modes */
+#define UFP_ALTMODE_NOT_SUPP	0
+#define UFP_ALTMODE_TBT3	BIT(0)
+#define UFP_ALTMODE_RECFG	BIT(1)
+#define UFP_ALTMODE_NO_RECFG	BIT(2)
+
+/* USB Highest Speed */
+#define UFP_USB2_ONLY		0
+#define UFP_USB32_GEN1		1
+#define UFP_USB32_4_GEN2	2
+#define UFP_USB4_GEN3		3
+
+#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd)			\
+	(((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22	\
+	 | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3	\
+	 | ((spd) & 0x7))
+
 /*
- * DFP VDO
+ * DFP VDO (PD Revision 3.0+ only)
  * --------
  * <31:29> :: DFP VDO version
  * <28:27> :: Reserved
  * <26:24> :: Host capability
- * <23:5>  :: Reserved
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:5>  :: Reserved
  * <4:0>   :: Port number
  */
 #define PD_VDO_DFP_HOSTCAP(vdo)	(((vdo) & GENMASK(26, 24)) >> 24)
 
+#define DFP_VDO_VER1_1		1
 #define HOST_USB2_CAPABLE	BIT(0)
 #define HOST_USB3_CAPABLE	BIT(1)
 #define HOST_USB4_CAPABLE	BIT(2)
+#define DFP_RECEPTACLE		2
+#define DFP_CAPTIVE		3
+
+#define VDO_DFP(ver, cap, conn, pnum)						\
+	(((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22	\
+	 | ((pnum) & 0x1f))
 
 /*
- * Cable VDO
+ * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
  * ---------
  * <31:28> :: Cable HW version
  * <27:24> :: Cable FW version
  * <23:20> :: Reserved, Shall be set to zero
- * <19:18> :: type-C to Type-A/B/C (00b == A, 01 == B, 10 == C)
- * <17>    :: Type-C to Plug/Receptacle (0b == plug, 1b == receptacle)
+ * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
+ * <17>    :: Reserved, Shall be set to zero
  * <16:13> :: cable latency (0001 == <10ns(~1m length))
  * <12:11> :: cable termination type (11b == both ends active VCONN req)
  * <10>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
  * <9>     :: SSTX2 Directionality support
  * <8>     :: SSRX1 Directionality support
  * <7>     :: SSRX2 Directionality support
- * <6:5>   :: Vbus current handling capability
+ * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
  * <4>     :: Vbus through cable (0b == no, 1b == yes)
  * <3>     :: SOP" controller present? (0b == no, 1b == yes)
  * <2:0>   :: USB SS Signaling support
+ *
+ * Passive Cable VDO (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20>    :: Reserved, Shall be set to zero
+ * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
+ * <17>    :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
+ * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8:7>   :: Reserved, Shall be set to zero
+ * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4:3>   :: Reserved, Shall be set to zero
+ * <2:0>   :: USB highest speed
+ *
+ * Active Cable VDO 1 (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20>    :: Reserved, Shall be set to zero
+ * <19:18> :: Connector type (10b == C, 11b == Captive)
+ * <17>    :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
+ * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8>     :: SBU supported (0b == supported, 1b == not supported)
+ * <7>     :: SBU type (0b == passive, 1b == active)
+ * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <2:0>   :: USB highest speed
  */
+/* Cable VDO Version */
+#define CABLE_VDO_VER1_0	0
+#define CABLE_VDO_VER1_3	3
+
+/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
 #define CABLE_ATYPE		0
 #define CABLE_BTYPE		1
 #define CABLE_CTYPE		2
-#define CABLE_PLUG		0
-#define CABLE_RECEPTACLE	1
-#define CABLE_CURR_1A5		0
+#define CABLE_CAPTIVE		3
+
+/* Cable Latency */
+#define CABLE_LATENCY_1M	1
+#define CABLE_LATENCY_2M	2
+#define CABLE_LATENCY_3M	3
+#define CABLE_LATENCY_4M	4
+#define CABLE_LATENCY_5M	5
+#define CABLE_LATENCY_6M	6
+#define CABLE_LATENCY_7M	7
+#define CABLE_LATENCY_7M_PLUS	8
+
+/* Cable Termination Type */
+#define PCABLE_VCONN_NOT_REQ	0
+#define PCABLE_VCONN_REQ	1
+#define ACABLE_ONE_END		2
+#define ACABLE_BOTH_END		3
+
+/* Maximum Vbus Voltage */
+#define CABLE_MAX_VBUS_20V	0
+#define CABLE_MAX_VBUS_30V	1
+#define CABLE_MAX_VBUS_40V	2
+#define CABLE_MAX_VBUS_50V	3
+
+/* Active Cable SBU Supported/Type */
+#define ACABLE_SBU_SUPP		0
+#define ACABLE_SBU_NOT_SUPP	1
+#define ACABLE_SBU_PASSIVE	0
+#define ACABLE_SBU_ACTIVE	1
+
+/* Vbus Current Handling Capability */
+#define CABLE_CURR_DEF		0
 #define CABLE_CURR_3A		1
 #define CABLE_CURR_5A		2
+
+/* USB SuperSpeed Signaling Support (PD Rev2.0) */
 #define CABLE_USBSS_U2_ONLY	0
 #define CABLE_USBSS_U31_GEN1	1
 #define CABLE_USBSS_U31_GEN2	2
-#define VDO_CABLE(hw, fw, cbl, gdr, lat, term, tx1d, tx2d, rx1d, rx2d, cur,\
-		  vps, sopp, usbss) \
-	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18	\
-	 | (gdr) << 17 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11	\
-	 | (tx1d) << 10 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7	\
-	 | ((cur) & 0x3) << 5 | (vps) << 4 | (sopp) << 3		\
-	 | ((usbss) & 0x7))
+
+/* USB Highest Speed */
+#define CABLE_USB2_ONLY		0
+#define CABLE_USB32_GEN1	1
+#define CABLE_USB32_4_GEN2	2
+#define CABLE_USB4_GEN3		3
+
+#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
+	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18		\
+	 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10		\
+	 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5		\
+	 | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
+#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd)			\
+	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
+	 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
+	 | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
+#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
+	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
+	 | ((conn) & 0x3) << 18	| ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
+	 | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5	\
+	 | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
+
+#define VDO_TYPEC_CABLE_TYPE(vdo)	(((vdo) >> 18) & 0x3)
 
 /*
- * AMA VDO
+ * Active Cable VDO 2
+ * ---------
+ * <31:24> :: Maximum operating temperature
+ * <23:16> :: Shutdown temperature
+ * <15>    :: Reserved, Shall be set to zero
+ * <14:12> :: U3/CLd power
+ * <11>    :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
+ * <10>    :: Physical connection (0b == copper, 1b == optical)
+ * <9>     :: Active element (0b == redriver, 1b == retimer)
+ * <8>     :: USB4 supported (0b == yes, 1b == no)
+ * <7:6>   :: USB2 hub hops consumed
+ * <5>     :: USB2 supported (0b == yes, 1b == no)
+ * <4>     :: USB3.2 supported (0b == yes, 1b == no)
+ * <3>     :: USB lanes supported (0b == one lane, 1b == two lanes)
+ * <2>     :: Optically isolated active cable (0b == no, 1b == yes)
+ * <1>     :: Reserved, Shall be set to zero
+ * <0>     :: USB gen (0b == gen1, 1b == gen2+)
+ */
+
+/* U3/CLd Power*/
+#define ACAB2_U3_CLD_10MW_PLUS	0
+#define ACAB2_U3_CLD_10MW	1
+#define ACAB2_U3_CLD_5MW	2
+#define ACAB2_U3_CLD_1MW	3
+#define ACAB2_U3_CLD_500UW	4
+#define ACAB2_U3_CLD_200UW	5
+#define ACAB2_U3_CLD_50UW	6
+
+/* Other Active Cable VDO 2 Fields */
+#define ACAB2_U3U0_DIRECT	0
+#define ACAB2_U3U0_U3S		1
+#define ACAB2_PHY_COPPER	0
+#define ACAB2_PHY_OPTICAL	1
+#define ACAB2_REDRIVER		0
+#define ACAB2_RETIMER		1
+#define ACAB2_USB4_SUPP		0
+#define ACAB2_USB4_NOT_SUPP	1
+#define ACAB2_USB2_SUPP		0
+#define ACAB2_USB2_NOT_SUPP	1
+#define ACAB2_USB32_SUPP	0
+#define ACAB2_USB32_NOT_SUPP	1
+#define ACAB2_LANES_ONE		0
+#define ACAB2_LANES_TWO		1
+#define ACAB2_OPT_ISO_NO	0
+#define ACAB2_OPT_ISO_YES	1
+#define ACAB2_GEN_1		0
+#define ACAB2_GEN_2_PLUS	1
+
+#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen)	\
+	(((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12	\
+	 | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8			\
+	 | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3		\
+	 | (iso) << 2 | (gen))
+
+/*
+ * AMA VDO (PD Rev2.0)
  * ---------
  * <31:28> :: Cable HW version
  * <27:24> :: Cable FW version
@@ -233,19 +455,41 @@
 #define PD_VDO_AMA_VCONN_REQ(vdo)	(((vdo) >> 4) & 1)
 #define PD_VDO_AMA_VBUS_REQ(vdo)	(((vdo) >> 3) & 1)
 
-#define AMA_VCONN_PWR_1W	0
-#define AMA_VCONN_PWR_1W5	1
-#define AMA_VCONN_PWR_2W	2
-#define AMA_VCONN_PWR_3W	3
-#define AMA_VCONN_PWR_4W	4
-#define AMA_VCONN_PWR_5W	5
-#define AMA_VCONN_PWR_6W	6
 #define AMA_USBSS_U2_ONLY	0
 #define AMA_USBSS_U31_GEN1	1
 #define AMA_USBSS_U31_GEN2	2
 #define AMA_USBSS_BBONLY	3
 
 /*
+ * VPD VDO
+ * ---------
+ * <31:28> :: HW version
+ * <27:24> :: FW version
+ * <23:21> :: VDO version
+ * <20:17> :: Reserved, Shall be set to zero
+ * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <14>    :: Charge through current support (0b == 3A, 1b == 5A)
+ * <13>    :: Reserved, Shall be set to zero
+ * <12:7>  :: Vbus impedance
+ * <6:1>   :: Ground impedance
+ * <0>     :: Charge through support (0b == no, 1b == yes)
+ */
+#define VPD_VDO_VER1_0		0
+#define VPD_MAX_VBUS_20V	0
+#define VPD_MAX_VBUS_30V	1
+#define VPD_MAX_VBUS_40V	2
+#define VPD_MAX_VBUS_50V	3
+#define VPDCT_CURR_3A		0
+#define VPDCT_CURR_5A		1
+#define VPDCT_NOT_SUPP		0
+#define VPDCT_SUPP		1
+
+#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct)			\
+	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21	\
+	 | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7	\
+	 | ((gi) & 0x3f) << 1 | (ct))
+
+/*
  * SVDM Discover SVIDs request -> response
  *
  * Request is properly formatted VDM Header with discover SVIDs command.
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index e4de6bc..888d2fd 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -13,6 +13,7 @@
 #include <linux/extcon.h>
 #include <linux/notifier.h>
 #include <linux/usb.h>
+#include <linux/android_kabi.h>
 #include <uapi/linux/usb/charger.h>
 
 enum usb_phy_interface {
@@ -155,6 +156,8 @@
 	 * manually detect the charger type.
 	 */
 	enum usb_charger_type (*charger_detect)(struct usb_phy *x);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* for board-specific init logic */
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 09762d2..cb69546 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -19,6 +19,10 @@
 	TYPEC_CC_RP_3_0,
 };
 
+/* Collision Avoidance */
+#define SINK_TX_NG	TYPEC_CC_RP_1_5
+#define SINK_TX_OK	TYPEC_CC_RP_3_0
+
 enum typec_cc_polarity {
 	TYPEC_POLARITY_CC1,
 	TYPEC_POLARITY_CC2,
@@ -62,6 +66,8 @@
  *		For example, some tcpcs may include BC1.2 charger detection
  *		and use that in this case.
  * @set_cc:	Called to set value of CC pins
+ * @apply_rc:	Optional; Needed to move TCPCI based chipset to APPLY_RC state
+ *		as stated by the TCPCI specification.
  * @get_cc:	Called to read current CC pin values
  * @set_polarity:
  *		Called to set polarity
@@ -83,6 +89,39 @@
  *		Optional; Called to enable/disable PD 3.0 fast role swap.
  *		Enabling frs is accessory dependent as not all PD3.0
  *		accessories support fast role swap.
+ * @frs_sourcing_vbus:
+ *		Optional; Called to notify that vbus is now being sourced.
+ *		Low level drivers can perform chip specific operations, if any.
+ * @enable_auto_vbus_discharge:
+ *		Optional; TCPCI spec based TCPC implementations can optionally
+ *		support hardware to autonomously dischrge vbus upon disconnecting
+ *		as sink or source. TCPM signals TCPC to enable the mechanism upon
+ *		entering connected state and signals disabling upon disconnect.
+ * @set_auto_vbus_discharge_threshold:
+ *		Mandatory when enable_auto_vbus_discharge is implemented. TCPM
+ *		calls this function to allow lower levels drivers to program the
+ *		vbus threshold voltage below which the vbus discharge circuit
+ *		will be turned on. requested_vbus_voltage is set to 0 when vbus
+ *		is going to disappear knowingly i.e. during PR_SWAP and
+ *		HARD_RESET etc.
+ * @is_vbus_vsafe0v:
+ *		Optional; TCPCI spec based TCPC implementations are expected to
+ *		detect VSAFE0V voltage level at vbus. When detection of VSAFE0V
+ *		is supported by TCPC, set this callback for TCPM to query
+ *		whether vbus is at VSAFE0V when needed.
+ *		Returns true when vbus is at VSAFE0V, false otherwise.
+ * @set_partner_usb_comm_capable:
+ *              Optional; The USB Communications Capable bit indicates if port
+ *              partner is capable of communication over the USB data lines
+ *              (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit.
+ * @check_contaminant:
+ *		Optional; The callback is called when CC pins report open status
+ *		at the end of the toggling period. Chip level drivers are
+ *		expected to check for contaminant and re-enable toggling if
+ *		needed. When 0 is not returned, check_contaminant is expected to
+ *		restart toggling after checking the connector for contaminant.
+ *		This forces the TCPM state machine to tranistion to TOGGLING state
+ *		without calling start_toggling callback.
  */
 struct tcpc_dev {
 	struct fwnode_handle *fwnode;
@@ -91,6 +130,8 @@
 	int (*get_vbus)(struct tcpc_dev *dev);
 	int (*get_current_limit)(struct tcpc_dev *dev);
 	int (*set_cc)(struct tcpc_dev *dev, enum typec_cc_status cc);
+	int (*apply_rc)(struct tcpc_dev *dev, enum typec_cc_status cc,
+			enum typec_cc_polarity polarity);
 	int (*get_cc)(struct tcpc_dev *dev, enum typec_cc_status *cc1,
 		      enum typec_cc_status *cc2);
 	int (*set_polarity)(struct tcpc_dev *dev,
@@ -106,9 +147,16 @@
 			      enum typec_cc_status cc);
 	int (*try_role)(struct tcpc_dev *dev, int role);
 	int (*pd_transmit)(struct tcpc_dev *dev, enum tcpm_transmit_type type,
-			   const struct pd_message *msg);
+			   const struct pd_message *msg, unsigned int negotiated_rev);
 	int (*set_bist_data)(struct tcpc_dev *dev, bool on);
 	int (*enable_frs)(struct tcpc_dev *dev, bool enable);
+	void (*frs_sourcing_vbus)(struct tcpc_dev *dev);
+	int (*enable_auto_vbus_discharge)(struct tcpc_dev *dev, bool enable);
+	int (*set_auto_vbus_discharge_threshold)(struct tcpc_dev *dev, enum typec_pwr_opmode mode,
+						 bool pps_active, u32 requested_vbus_voltage);
+	int (*check_contaminant)(struct tcpc_dev *dev);
+	bool (*is_vbus_vsafe0v)(struct tcpc_dev *dev);
+	void (*set_partner_usb_comm_capable)(struct tcpc_dev *dev, bool enable);
 };
 
 struct tcpm_port;
@@ -116,6 +164,10 @@
 struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc);
 void tcpm_unregister_port(struct tcpm_port *port);
 
+int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo,
+				  unsigned int nr_pdo,
+				  unsigned int operating_snk_mw);
+
 void tcpm_vbus_change(struct tcpm_port *port);
 void tcpm_cc_change(struct tcpm_port *port);
 void tcpm_sink_frs(struct tcpm_port *port);
@@ -126,5 +178,7 @@
 			       enum tcpm_transmit_status status);
 void tcpm_pd_hard_reset(struct tcpm_port *port);
 void tcpm_tcpc_reset(struct tcpm_port *port);
+bool tcpm_is_debouncing(struct tcpm_port *tcpm);
+bool tcpm_is_toggling(struct tcpm_port *port);
 
 #endif /* __LINUX_USB_TCPM_H */
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index 6be5580..8859426 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -4,6 +4,7 @@
 #define __LINUX_USB_TYPEC_H
 
 #include <linux/types.h>
+#include <linux/android_kabi.h>
 
 /* USB Type-C Specification releases */
 #define USB_TYPEC_REV_1_0	0x100 /* 1.0 */
@@ -17,6 +18,7 @@
 struct typec_cable;
 struct typec_plug;
 struct typec_port;
+struct typec_altmode_ops;
 
 struct fwnode_handle;
 struct device;
@@ -126,15 +128,23 @@
 	enum typec_port_data	roles;
 };
 
+void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision);
+int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmodes);
 struct typec_altmode
 *typec_partner_register_altmode(struct typec_partner *partner,
 				const struct typec_altmode_desc *desc);
+int typec_plug_set_num_altmodes(struct typec_plug *plug, int num_altmodes);
 struct typec_altmode
 *typec_plug_register_altmode(struct typec_plug *plug,
 			     const struct typec_altmode_desc *desc);
 struct typec_altmode
 *typec_port_register_altmode(struct typec_port *port,
 			     const struct typec_altmode_desc *desc);
+
+void typec_port_register_altmodes(struct typec_port *port,
+	const struct typec_altmode_ops *ops, void *drvdata,
+	struct typec_altmode **altmodes, size_t n);
+
 void typec_unregister_altmode(struct typec_altmode *altmode);
 
 struct typec_port *typec_altmode2port(struct typec_altmode *alt);
@@ -162,6 +172,7 @@
  * @type: The plug type from USB PD Cable VDO
  * @active: Is the cable active or passive
  * @identity: Result of Discover Identity command
+ * @pd_revision: USB Power Delivery Specification revision if supported
  *
  * Represents USB Type-C Cable attached to USB Type-C port.
  */
@@ -169,6 +180,8 @@
 	enum typec_plug_type	type;
 	unsigned int		active:1;
 	struct usb_pd_identity	*identity;
+	u16			pd_revision; /* 0300H = "3.0" */
+
 };
 
 /*
@@ -176,15 +189,22 @@
  * @usb_pd: USB Power Delivery support
  * @accessory: Audio, Debug or none.
  * @identity: Discover Identity command data
+ * @pd_revision: USB Power Delivery Specification Revision if supported
  *
  * Details about a partner that is attached to USB Type-C port. If @identity
  * member exists when partner is registered, a directory named "identity" is
  * created to sysfs for the partner device.
+ *
+ * @pd_revision is based on the setting of the "Specification Revision" field
+ * in the message header on the initial "Source Capabilities" message received
+ * from the partner, or a "Request" message received from the partner, depending
+ * on whether our port is a Sink or a Source.
  */
 struct typec_partner_desc {
 	unsigned int		usb_pd:1;
 	enum typec_accessory	accessory;
 	struct usb_pd_identity	*identity;
+	u16			pd_revision; /* 0300H = "3.0" */
 };
 
 /**
@@ -202,6 +222,13 @@
 	int (*vconn_set)(struct typec_port *port, enum typec_role role);
 	int (*port_type_set)(struct typec_port *port,
 			     enum typec_port_type type);
+	ANDROID_KABI_RESERVE(1);
+};
+
+enum usb_pd_svdm_ver {
+	SVDM_VER_1_0 = 0,
+	SVDM_VER_2_0 = 1,
+	SVDM_VER_MAX = SVDM_VER_2_0,
 };
 
 /*
@@ -210,6 +237,7 @@
  * @data: Supported data role of the port
  * @revision: USB Type-C Specification release. Binary coded decimal
  * @pd_revision: USB Power Delivery Specification revision if supported
+ * @svdm_version: USB PD Structured VDM version if supported
  * @prefer_role: Initial role preference (DRP ports).
  * @accessory: Supported Accessory Modes
  * @fwnode: Optional fwnode of the port
@@ -223,6 +251,7 @@
 	enum typec_port_data	data;
 	u16			revision; /* 0120H = "1.2" */
 	u16			pd_revision; /* 0300H = "3.0" */
+	enum usb_pd_svdm_ver	svdm_version;
 	int			prefer_role;
 	enum typec_accessory	accessory[TYPEC_MAX_ACCESSORY];
 	unsigned int		orientation_aware:1;
@@ -231,6 +260,7 @@
 	void			*driver_data;
 
 	const struct typec_operations	*ops;
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* Specific to try_role(). Indicates the user want's to clear the preference. */
@@ -273,4 +303,8 @@
 int typec_find_port_power_role(const char *name);
 int typec_find_power_role(const char *name);
 int typec_find_port_data_role(const char *name);
+
+void typec_partner_set_svdm_version(struct typec_partner *partner,
+				    enum usb_pd_svdm_ver svdm_version);
+int typec_get_negotiated_svdm_version(struct typec_port *port);
 #endif /* __LINUX_USB_TYPEC_H */
diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h
index 22b8ee8..e531f77 100644
--- a/include/linux/usb/typec_altmode.h
+++ b/include/linux/usb/typec_altmode.h
@@ -30,6 +30,7 @@
 
 	char				*desc;
 	const struct typec_altmode_ops	*ops;
+	ANDROID_KABI_RESERVE(1);
 };
 
 #define to_typec_altmode(d) container_of(d, struct typec_altmode, dev)
@@ -63,6 +64,7 @@
 	int (*notify)(struct typec_altmode *altmode, unsigned long conf,
 		      void *data);
 	int (*activate)(struct typec_altmode *altmode, int activate);
+	ANDROID_KABI_RESERVE(1);
 };
 
 int typec_altmode_enter(struct typec_altmode *altmode, u32 *vdo);
@@ -133,6 +135,16 @@
 }
 
 /**
+ * typec_altmode_get_svdm_version - Get negotiated SVDM version
+ * @altmode: Handle to the alternate mode
+ */
+static inline int
+typec_altmode_get_svdm_version(struct typec_altmode *altmode)
+{
+	return typec_get_negotiated_svdm_version(typec_altmode2port(altmode));
+}
+
+/**
  * struct typec_altmode_driver - USB Type-C alternate mode device driver
  * @id_table: Null terminated array of SVIDs
  * @probe: Callback for device binding
diff --git a/include/linux/usb/typec_tbt.h b/include/linux/usb/typec_tbt.h
index 47c2d50..63dd44b 100644
--- a/include/linux/usb/typec_tbt.h
+++ b/include/linux/usb/typec_tbt.h
@@ -39,12 +39,16 @@
 #define   TBT_CABLE_USB3_GEN1		1
 #define   TBT_CABLE_USB3_PASSIVE	2
 #define   TBT_CABLE_10_AND_20GBPS	3
-#define TBT_CABLE_ROUNDED		BIT(19)
+#define TBT_CABLE_ROUNDED_SUPPORT(_vdo_) \
+					(((_vdo_) & GENMASK(20, 19)) >> 19)
+#define   TBT_GEN3_NON_ROUNDED                 0
+#define   TBT_GEN3_GEN4_ROUNDED_NON_ROUNDED    1
 #define TBT_CABLE_OPTICAL		BIT(21)
 #define TBT_CABLE_RETIMER		BIT(22)
 #define TBT_CABLE_LINK_TRAINING		BIT(23)
 
 #define TBT_SET_CABLE_SPEED(_s_)	(((_s_) & GENMASK(2, 0)) << 16)
+#define TBT_SET_CABLE_ROUNDED(_g_)	(((_g_) & GENMASK(1, 0)) << 19)
 
 /* TBT3 Device Enter Mode VDO bits */
 #define TBT_ENTER_MODE_CABLE_SPEED(s)	TBT_SET_CABLE_SPEED(s)
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 8110c29f..195512a 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -23,6 +23,8 @@
 #ifndef	__LINUX_USB_USBNET_H
 #define	__LINUX_USB_USBNET_H
 
+#include <linux/android_kabi.h>
+
 /* interface from usbnet core to each USB networking link we handle */
 struct usbnet {
 	/* housekeeping */
@@ -83,8 +85,11 @@
 #		define EVENT_LINK_CHANGE	11
 #		define EVENT_SET_RX_MODE	12
 #		define EVENT_NO_IP_ALIGN	13
-	u32			rx_speed;	/* in bps - NOT Mbps */
-	u32			tx_speed;	/* in bps - NOT Mbps */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -174,6 +179,9 @@
 	int		out;		/* tx endpoint */
 
 	unsigned long	data;		/* Misc driver specific data */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /* Minidrivers are just drivers using the "usbnet" core as a powerful
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 7616c7b..71cc05dd 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -10,6 +10,7 @@
 #include <linux/rwsem.h>
 #include <linux/sysctl.h>
 #include <linux/err.h>
+#include <linux/android_kabi.h>
 
 #define UID_GID_MAP_MAX_BASE_EXTENTS 5
 #define UID_GID_MAP_MAX_EXTENTS 340
@@ -90,6 +91,9 @@
 #endif
 	struct ucounts		*ucounts;
 	int ucount_max[UCOUNT_COUNTS];
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 struct ucounts {
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index a8e5f3e..331d2cc 100644
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -17,6 +17,9 @@
 #include <linux/mm.h>
 #include <asm-generic/pgtable_uffd.h>
 
+/* The set of all possible UFFD-related VM flags. */
+#define __VM_UFFD_FLAGS (VM_UFFD_MISSING | VM_UFFD_WP | VM_UFFD_MINOR)
+
 /*
  * CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining
  * new flags, since they might collide with O_* ones. We want
@@ -34,6 +37,27 @@
 
 extern vm_fault_t handle_userfault(struct vm_fault *vmf, unsigned long reason);
 
+/*
+ * The mode of operation for __mcopy_atomic and its helpers.
+ *
+ * This is almost an implementation detail (mcopy_atomic below doesn't take this
+ * as a parameter), but it's exposed here because memory-kind-specific
+ * implementations (e.g. hugetlbfs) need to know the mode of operation.
+ */
+enum mcopy_atomic_mode {
+	/* A normal copy_from_user into the destination range. */
+	MCOPY_ATOMIC_NORMAL,
+	/* Don't copy; map the destination range to the zero page. */
+	MCOPY_ATOMIC_ZEROPAGE,
+	/* Just install pte(s) with the existing page(s) in the page cache. */
+	MCOPY_ATOMIC_CONTINUE,
+};
+
+extern int mfill_atomic_install_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
+				    struct vm_area_struct *dst_vma,
+				    unsigned long dst_addr, struct page *page,
+				    bool newly_allocated, bool wp_copy);
+
 extern ssize_t mcopy_atomic(struct mm_struct *dst_mm, unsigned long dst_start,
 			    unsigned long src_start, unsigned long len,
 			    bool *mmap_changing, __u64 mode);
@@ -41,6 +65,8 @@
 			      unsigned long dst_start,
 			      unsigned long len,
 			      bool *mmap_changing);
+extern ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long dst_start,
+			      unsigned long len, bool *mmap_changing);
 extern int mwriteprotect_range(struct mm_struct *dst_mm,
 			       unsigned long start, unsigned long len,
 			       bool enable_wp, bool *mmap_changing);
@@ -52,6 +78,22 @@
 	return vma->vm_userfaultfd_ctx.ctx == vm_ctx.ctx;
 }
 
+/*
+ * Never enable huge pmd sharing on some uffd registered vmas:
+ *
+ * - VM_UFFD_WP VMAs, because write protect information is per pgtable entry.
+ *
+ * - VM_UFFD_MINOR VMAs, because otherwise we would never get minor faults for
+ *   VMAs which share huge pmds. (If you have two mappings to the same
+ *   underlying pages, and fault in the non-UFFD-registered one with a write,
+ *   with huge pmd sharing this would *also* setup the second UFFD-registered
+ *   mapping, and we'd not get minor faults.)
+ */
+static inline bool uffd_disable_huge_pmd_share(struct vm_area_struct *vma)
+{
+	return vma->vm_flags & (VM_UFFD_WP | VM_UFFD_MINOR);
+}
+
 static inline bool userfaultfd_missing(struct vm_area_struct *vma)
 {
 	return vma->vm_flags & VM_UFFD_MISSING;
@@ -62,6 +104,11 @@
 	return vma->vm_flags & VM_UFFD_WP;
 }
 
+static inline bool userfaultfd_minor(struct vm_area_struct *vma)
+{
+	return vma->vm_flags & VM_UFFD_MINOR;
+}
+
 static inline bool userfaultfd_pte_wp(struct vm_area_struct *vma,
 				      pte_t pte)
 {
@@ -76,7 +123,7 @@
 
 static inline bool userfaultfd_armed(struct vm_area_struct *vma)
 {
-	return vma->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP);
+	return vma->vm_flags & __VM_UFFD_FLAGS;
 }
 
 extern int dup_userfaultfd(struct vm_area_struct *, struct list_head *);
@@ -123,6 +170,11 @@
 	return false;
 }
 
+static inline bool userfaultfd_minor(struct vm_area_struct *vma)
+{
+	return false;
+}
+
 static inline bool userfaultfd_pte_wp(struct vm_area_struct *vma,
 				      pte_t pte)
 {
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index b341dd6..dafdc7f 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -23,6 +23,8 @@
  *       any of @get/@set, @get_status/@set_status, or @get_features/
  *       @finalize_features are NOT safe to be called from an atomic
  *       context.
+ * @enable_cbs: enable the callbacks
+ *      vdev: the virtio_device
  * @get: read the value of a configuration field
  *	vdev: the virtio_device
  *	offset: the offset of the configuration field
@@ -76,6 +78,7 @@
  */
 typedef void vq_callback_t(struct virtqueue *);
 struct virtio_config_ops {
+	void (*enable_cbs)(struct virtio_device *vdev);
 	void (*get)(struct virtio_device *vdev, unsigned offset,
 		    void *buf, unsigned len);
 	void (*set)(struct virtio_device *vdev, unsigned offset,
@@ -230,6 +233,9 @@
 {
 	unsigned status = dev->config->get_status(dev);
 
+	if (dev->config->enable_cbs)
+                  dev->config->enable_cbs(dev);
+
 	BUG_ON(status & VIRTIO_CONFIG_S_DRIVER_OK);
 	dev->config->set_status(dev, status | VIRTIO_CONFIG_S_DRIVER_OK);
 }
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index dc636b7..778639fc 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -9,7 +9,8 @@
 
 #define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE	(1024 * 4)
 #define VIRTIO_VSOCK_MAX_BUF_SIZE		0xFFFFFFFFUL
-#define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE		(1024 * 64)
+#define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE		virtio_transport_max_vsock_pkt_buf_size
+extern uint virtio_transport_max_vsock_pkt_buf_size;
 
 enum {
 	VSOCK_VQ_RX     = 0, /* for host to guest data */
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 18e7597..ca7fe94 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -71,6 +71,10 @@
 #ifdef CONFIG_HUGETLB_PAGE
 		HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
 #endif
+#ifdef CONFIG_CMA
+		CMA_ALLOC_SUCCESS,
+		CMA_ALLOC_FAIL,
+#endif
 		UNEVICTABLE_PGCULLED,	/* culled to noreclaim list */
 		UNEVICTABLE_PGSCANNED,	/* scanned for reclaimability */
 		UNEVICTABLE_PGRESCUED,	/* rescued from noreclaim list */
@@ -121,6 +125,10 @@
 		SWAP_RA,
 		SWAP_RA_HIT,
 #endif
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+		SPECULATIVE_PGFAULT_ANON,
+		SPECULATIVE_PGFAULT_FILE,
+#endif
 		NR_VM_EVENT_ITEMS
 };
 
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 76dad53..d074a14 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -9,6 +9,7 @@
 #include <asm/page.h>		/* pgprot_t */
 #include <linux/rbtree.h>
 #include <linux/overflow.h>
+#include <linux/android_vendor.h>
 
 #include <asm/vmalloc.h>
 
@@ -27,16 +28,12 @@
 #define VM_FLUSH_RESET_PERMS	0x00000100	/* reset direct map and flush TLB on unmap, can't be freed in atomic context */
 #define VM_MAP_PUT_PAGES	0x00000200	/* put pages and free array in vfree */
 
-/*
- * VM_KASAN is used slighly differently depending on CONFIG_KASAN_VMALLOC.
- *
- * If IS_ENABLED(CONFIG_KASAN_VMALLOC), VM_KASAN is set on a vm_struct after
- * shadow memory has been mapped. It's used to handle allocation errors so that
- * we don't try to poision shadow on free if it was never allocated.
- *
- * Otherwise, VM_KASAN is set for kasan_module_alloc() allocations and used to
- * determine which allocations need the module shadow freed.
- */
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+	!defined(CONFIG_KASAN_VMALLOC)
+#define VM_DEFER_KMEMLEAK	0x00000800	/* defer kmemleak object creation */
+#else
+#define VM_DEFER_KMEMLEAK	0
+#endif
 
 /* bits [20..32] reserved for arch specific ioremap internals */
 
@@ -57,6 +54,7 @@
 	unsigned int		nr_pages;
 	phys_addr_t		phys_addr;
 	const void		*caller;
+	ANDROID_OEM_DATA(1);
 };
 
 struct vmap_area {
@@ -80,6 +78,13 @@
 	};
 };
 
+#ifndef arch_vmap_pgprot_tagged
+static inline pgprot_t arch_vmap_pgprot_tagged(pgprot_t prot)
+{
+	return prot;
+}
+#endif
+
 /*
  *	Highlevel APIs for driver use
  */
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 1663e47..e9966f3 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -219,6 +219,7 @@
 #define wake_up_interruptible_nr(x, nr)	__wake_up(x, TASK_INTERRUPTIBLE, nr, NULL)
 #define wake_up_interruptible_all(x)	__wake_up(x, TASK_INTERRUPTIBLE, 0, NULL)
 #define wake_up_interruptible_sync(x)	__wake_up_sync((x), TASK_INTERRUPTIBLE)
+#define wake_up_sync(x)			__wake_up_sync((x), TASK_NORMAL)
 
 /*
  * Wakeup macros to be used to report events to the targets.
diff --git a/include/linux/wakeup_reason.h b/include/linux/wakeup_reason.h
new file mode 100644
index 0000000..54f5caa
--- /dev/null
+++ b/include/linux/wakeup_reason.h
@@ -0,0 +1,37 @@
+/*
+ * include/linux/wakeup_reason.h
+ *
+ * Logs the reason which caused the kernel to resume
+ * from the suspend mode.
+ *
+ * Copyright (C) 2014 Google, Inc.
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _LINUX_WAKEUP_REASON_H
+#define _LINUX_WAKEUP_REASON_H
+
+#define MAX_SUSPEND_ABORT_LEN 256
+
+#ifdef CONFIG_SUSPEND
+void log_irq_wakeup_reason(int irq);
+void log_threaded_irq_wakeup_reason(int irq, int parent_irq);
+void log_suspend_abort_reason(const char *fmt, ...);
+void log_abnormal_wakeup_reason(const char *fmt, ...);
+void clear_wakeup_reasons(void);
+#else
+static inline void log_irq_wakeup_reason(int irq) { }
+static inline void log_threaded_irq_wakeup_reason(int irq, int parent_irq) { }
+static inline void log_suspend_abort_reason(const char *fmt, ...) { }
+static inline void log_abnormal_wakeup_reason(const char *fmt, ...) { }
+static inline void clear_wakeup_reasons(void) { }
+#endif
+
+#endif /* _LINUX_WAKEUP_REASON_H */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 0383fac..004bfea 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -14,6 +14,7 @@
 #include <linux/atomic.h>
 #include <linux/cpumask.h>
 #include <linux/rcupdate.h>
+#include <linux/android_kabi.h>
 
 struct workqueue_struct;
 
@@ -29,7 +30,7 @@
 
 enum {
 	WORK_STRUCT_PENDING_BIT	= 0,	/* work item is pending execution */
-	WORK_STRUCT_INACTIVE_BIT= 1,	/* work item is inactive */
+	WORK_STRUCT_DELAYED_BIT	= 1,	/* work item is delayed */
 	WORK_STRUCT_PWQ_BIT	= 2,	/* data points to pwq */
 	WORK_STRUCT_LINKED_BIT	= 3,	/* next work is linked to this one */
 #ifdef CONFIG_DEBUG_OBJECTS_WORK
@@ -42,7 +43,7 @@
 	WORK_STRUCT_COLOR_BITS	= 4,
 
 	WORK_STRUCT_PENDING	= 1 << WORK_STRUCT_PENDING_BIT,
-	WORK_STRUCT_INACTIVE	= 1 << WORK_STRUCT_INACTIVE_BIT,
+	WORK_STRUCT_DELAYED	= 1 << WORK_STRUCT_DELAYED_BIT,
 	WORK_STRUCT_PWQ		= 1 << WORK_STRUCT_PWQ_BIT,
 	WORK_STRUCT_LINKED	= 1 << WORK_STRUCT_LINKED_BIT,
 #ifdef CONFIG_DEBUG_OBJECTS_WORK
@@ -107,6 +108,8 @@
 #ifdef CONFIG_LOCKDEP
 	struct lockdep_map lockdep_map;
 #endif
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 #define WORK_DATA_INIT()	ATOMIC_LONG_INIT((unsigned long)WORK_STRUCT_NO_POOL)
@@ -120,6 +123,9 @@
 	/* target workqueue and CPU ->timer uses to queue ->work */
 	struct workqueue_struct *wq;
 	int cpu;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct rcu_work {
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index 10b4dc2..28c0da7 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -31,10 +31,10 @@
 	const char *prefix;
 	int flags;      /* fs private flags */
 	bool (*list)(struct dentry *dentry);
-	int (*get)(const struct xattr_handler *, struct dentry *dentry,
+	int (*get)(const struct xattr_handler *handler, struct dentry *dentry,
 		   struct inode *inode, const char *name, void *buffer,
-		   size_t size);
-	int (*set)(const struct xattr_handler *, struct dentry *dentry,
+		   size_t size, int flags);
+	int (*set)(const struct xattr_handler *handler, struct dentry *dentry,
 		   struct inode *inode, const char *name, const void *buffer,
 		   size_t size, int flags);
 };
@@ -47,7 +47,8 @@
 	size_t value_len;
 };
 
-ssize_t __vfs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t);
+ssize_t __vfs_getxattr(struct dentry *dentry, struct inode *inode,
+		       const char *name, void *buffer, size_t size, int flags);
 ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t);
 ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
 int __vfs_setxattr(struct dentry *, struct inode *, const char *, const void *, size_t, int);
diff --git a/include/linux/xz.h b/include/linux/xz.h
index 9884c84..7285ca5 100644
--- a/include/linux/xz.h
+++ b/include/linux/xz.h
@@ -234,6 +234,112 @@
 XZ_EXTERN void xz_dec_end(struct xz_dec *s);
 
 /*
+ * Decompressor for MicroLZMA, an LZMA variant with a very minimal header.
+ * See xz_dec_microlzma_alloc() below for details.
+ *
+ * These functions aren't used or available in preboot code and thus aren't
+ * marked with XZ_EXTERN. This avoids warnings about static functions that
+ * are never defined.
+ */
+/**
+ * struct xz_dec_microlzma - Opaque type to hold the MicroLZMA decoder state
+ */
+struct xz_dec_microlzma;
+
+/**
+ * xz_dec_microlzma_alloc() - Allocate memory for the MicroLZMA decoder
+ * @mode        XZ_SINGLE or XZ_PREALLOC
+ * @dict_size   LZMA dictionary size. This must be at least 4 KiB and
+ *              at most 3 GiB.
+ *
+ * In contrast to xz_dec_init(), this function only allocates the memory
+ * and remembers the dictionary size. xz_dec_microlzma_reset() must be used
+ * before calling xz_dec_microlzma_run().
+ *
+ * The amount of allocated memory is a little less than 30 KiB with XZ_SINGLE.
+ * With XZ_PREALLOC also a dictionary buffer of dict_size bytes is allocated.
+ *
+ * On success, xz_dec_microlzma_alloc() returns a pointer to
+ * struct xz_dec_microlzma. If memory allocation fails or
+ * dict_size is invalid, NULL is returned.
+ *
+ * The compressed format supported by this decoder is a raw LZMA stream
+ * whose first byte (always 0x00) has been replaced with bitwise-negation
+ * of the LZMA properties (lc/lp/pb) byte. For example, if lc/lp/pb is
+ * 3/0/2, the first byte is 0xA2. This way the first byte can never be 0x00.
+ * Just like with LZMA2, lc + lp <= 4 must be true. The LZMA end-of-stream
+ * marker must not be used. The unused values are reserved for future use.
+ * This MicroLZMA header format was created for use in EROFS but may be used
+ * by others too.
+ */
+extern struct xz_dec_microlzma *xz_dec_microlzma_alloc(enum xz_mode mode,
+						       uint32_t dict_size);
+
+/**
+ * xz_dec_microlzma_reset() - Reset the MicroLZMA decoder state
+ * @s           Decoder state allocated using xz_dec_microlzma_alloc()
+ * @comp_size   Compressed size of the input stream
+ * @uncomp_size Uncompressed size of the input stream. A value smaller
+ *              than the real uncompressed size of the input stream can
+ *              be specified if uncomp_size_is_exact is set to false.
+ *              uncomp_size can never be set to a value larger than the
+ *              expected real uncompressed size because it would eventually
+ *              result in XZ_DATA_ERROR.
+ * @uncomp_size_is_exact  This is an int instead of bool to avoid
+ *              requiring stdbool.h. This should normally be set to true.
+ *              When this is set to false, error detection is weaker.
+ */
+extern void xz_dec_microlzma_reset(struct xz_dec_microlzma *s,
+				   uint32_t comp_size, uint32_t uncomp_size,
+				   int uncomp_size_is_exact);
+
+/**
+ * xz_dec_microlzma_run() - Run the MicroLZMA decoder
+ * @s           Decoder state initialized using xz_dec_microlzma_reset()
+ * @b:          Input and output buffers
+ *
+ * This works similarly to xz_dec_run() with a few important differences.
+ * Only the differences are documented here.
+ *
+ * The only possible return values are XZ_OK, XZ_STREAM_END, and
+ * XZ_DATA_ERROR. This function cannot return XZ_BUF_ERROR: if no progress
+ * is possible due to lack of input data or output space, this function will
+ * keep returning XZ_OK. Thus, the calling code must be written so that it
+ * will eventually provide input and output space matching (or exceeding)
+ * comp_size and uncomp_size arguments given to xz_dec_microlzma_reset().
+ * If the caller cannot do this (for example, if the input file is truncated
+ * or otherwise corrupt), the caller must detect this error by itself to
+ * avoid an infinite loop.
+ *
+ * If the compressed data seems to be corrupt, XZ_DATA_ERROR is returned.
+ * This can happen also when incorrect dictionary, uncompressed, or
+ * compressed sizes have been specified.
+ *
+ * With XZ_PREALLOC only: As an extra feature, b->out may be NULL to skip over
+ * uncompressed data. This way the caller doesn't need to provide a temporary
+ * output buffer for the bytes that will be ignored.
+ *
+ * With XZ_SINGLE only: In contrast to xz_dec_run(), the return value XZ_OK
+ * is also possible and thus XZ_SINGLE is actually a limited multi-call mode.
+ * After XZ_OK the bytes decoded so far may be read from the output buffer.
+ * It is possible to continue decoding but the variables b->out and b->out_pos
+ * MUST NOT be changed by the caller. Increasing the value of b->out_size is
+ * allowed to make more output space available; one doesn't need to provide
+ * space for the whole uncompressed data on the first call. The input buffer
+ * may be changed normally like with XZ_PREALLOC. This way input data can be
+ * provided from non-contiguous memory.
+ */
+extern enum xz_ret xz_dec_microlzma_run(struct xz_dec_microlzma *s,
+					struct xz_buf *b);
+
+/**
+ * xz_dec_microlzma_end() - Free the memory allocated for the decoder state
+ * @s:          Decoder state allocated using xz_dec_microlzma_alloc().
+ *              If s is NULL, this function does nothing.
+ */
+extern void xz_dec_microlzma_end(struct xz_dec_microlzma *s);
+
+/*
  * Standalone build (userspace build or in-kernel build for boot time use)
  * needs a CRC32 implementation. For normal in-kernel use, kernel's own
  * CRC32 module is used instead, and users of this module don't need to
diff --git a/include/media/h264-ctrls.h b/include/media/h264-ctrls.h
index ec47991..6cb6db8 100644
--- a/include/media/h264-ctrls.h
+++ b/include/media/h264-ctrls.h
@@ -38,14 +38,6 @@
 #define V4L2_CID_MPEG_VIDEO_H264_START_CODE	(V4L2_CID_MPEG_BASE+1006)
 #define V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS	(V4L2_CID_MPEG_BASE+1007)
 
-/* enum v4l2_ctrl_type type values */
-#define V4L2_CTRL_TYPE_H264_SPS			0x0110
-#define V4L2_CTRL_TYPE_H264_PPS			0x0111
-#define V4L2_CTRL_TYPE_H264_SCALING_MATRIX	0x0112
-#define V4L2_CTRL_TYPE_H264_SLICE_PARAMS	0x0113
-#define V4L2_CTRL_TYPE_H264_DECODE_PARAMS	0x0114
-#define V4L2_CTRL_TYPE_H264_PRED_WEIGHTS	0x0115
-
 enum v4l2_mpeg_video_h264_decode_mode {
 	V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED,
 	V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED,
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index cbdfcb7..eacba87 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/media.h>
+#include <linux/android_vendor.h>
 
 /* Enums used internally at the media controller to represent graphs */
 
@@ -145,6 +146,7 @@
 	struct media_link *reverse;
 	unsigned long flags;
 	bool is_backlink;
+	ANDROID_VENDOR_DATA(1);
 };
 
 /**
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 2e53ee1..40cd995 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -520,6 +520,31 @@
 int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat,
 			u32 width, u32 height);
 
+/**
+ * v4l2_get_link_freq - Get link rate from transmitter
+ *
+ * @handler: The transmitter's control handler
+ * @mul: The multiplier between pixel rate and link frequency. Bits per pixel on
+ *	 D-PHY, samples per clock on parallel. 0 otherwise.
+ * @div: The divisor between pixel rate and link frequency. Number of data lanes
+ *	 times two on D-PHY, 1 on parallel. 0 otherwise.
+ *
+ * This function is intended for obtaining the link frequency from the
+ * transmitter sub-devices. It returns the link rate, either from the
+ * V4L2_CID_LINK_FREQ control implemented by the transmitter, or value
+ * calculated based on the V4L2_CID_PIXEL_RATE implemented by the transmitter.
+ *
+ * Returns link frequency on success, otherwise a negative error code:
+ *	-ENOENT: Link frequency or pixel rate control not found
+ *	-EINVAL: Invalid link frequency value
+ */
+s64 v4l2_get_link_freq(struct v4l2_ctrl_handler *handler, unsigned int mul,
+		       unsigned int div);
+
+void v4l2_simplify_fraction(u32 *numerator, u32 *denominator,
+		unsigned int n_terms, unsigned int threshold);
+u32 v4l2_fraction_to_interval(u32 numerator, u32 denominator);
+
 static inline u64 v4l2_buffer_get_timestamp(const struct v4l2_buffer *buf)
 {
 	/*
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 9ecbb98..113d399 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -11,6 +11,7 @@
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/videodev2.h>
+#include <linux/android_kabi.h>
 #include <media/media-request.h>
 
 /*
@@ -56,6 +57,8 @@
  * @p_hevc_sps:			Pointer to an HEVC sequence parameter set structure.
  * @p_hevc_pps:			Pointer to an HEVC picture parameter set structure.
  * @p_hevc_slice_params:	Pointer to an HEVC slice parameters structure.
+ * @p_hdr10_cll:		Pointer to an HDR10 Content Light Level structure.
+ * @p_hdr10_mastering:		Pointer to an HDR10 Mastering Display structure.
  * @p_area:			Pointer to an area.
  * @p:				Pointer to a compound value.
  * @p_const:			Pointer to a constant compound value.
@@ -80,9 +83,14 @@
 	struct v4l2_ctrl_hevc_sps *p_hevc_sps;
 	struct v4l2_ctrl_hevc_pps *p_hevc_pps;
 	struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
+	struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
+	struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
 	struct v4l2_area *p_area;
 	void *p;
 	const void *p_const;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
@@ -115,6 +123,8 @@
 	int (*g_volatile_ctrl)(struct v4l2_ctrl *ctrl);
 	int (*try_ctrl)(struct v4l2_ctrl *ctrl);
 	int (*s_ctrl)(struct v4l2_ctrl *ctrl);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -136,6 +146,8 @@
 	void (*log)(const struct v4l2_ctrl *ctrl);
 	int (*validate)(const struct v4l2_ctrl *ctrl, u32 idx,
 			union v4l2_ctrl_ptr ptr);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -286,6 +298,8 @@
 	union v4l2_ctrl_ptr p_def;
 	union v4l2_ctrl_ptr p_new;
 	union v4l2_ctrl_ptr p_cur;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -325,6 +339,8 @@
 	bool req_done;
 	bool valid_p_req;
 	union v4l2_ctrl_ptr p_req;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -375,6 +391,8 @@
 	struct list_head requests;
 	struct list_head requests_queued;
 	struct media_request_object req_obj;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -426,6 +444,8 @@
 	const char * const *qmenu;
 	const s64 *qmenu_int;
 	unsigned int is_private:1;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index ad2d419..3a66e78 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -16,6 +16,7 @@
 #include <linux/cdev.h>
 #include <linux/mutex.h>
 #include <linux/videodev2.h>
+#include <linux/android_kabi.h>
 
 #include <media/media-entity.h>
 
@@ -211,6 +212,8 @@
 	int (*mmap) (struct file *, struct vm_area_struct *);
 	int (*open) (struct file *);
 	int (*release) (struct file *);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
@@ -307,6 +310,9 @@
 	DECLARE_BITMAP(valid_ioctls, BASE_VIDIOC_PRIVATE);
 
 	struct mutex *lock;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /**
diff --git a/include/media/v4l2-uvc.h b/include/media/v4l2-uvc.h
new file mode 100644
index 0000000..f83e316
--- /dev/null
+++ b/include/media/v4l2-uvc.h
@@ -0,0 +1,359 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  v4l2 uvc internal API header
+ *
+ *  Some commonly needed functions for uvc drivers
+ */
+
+#ifndef __LINUX_V4L2_UVC_H
+#define __LINUX_V4L2_UVC_H
+
+/* ------------------------------------------------------------------------
+ * GUIDs
+ */
+#define UVC_GUID_UVC_CAMERA \
+	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}
+#define UVC_GUID_UVC_OUTPUT \
+	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}
+#define UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT \
+	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
+#define UVC_GUID_UVC_PROCESSING \
+	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01}
+#define UVC_GUID_UVC_SELECTOR \
+	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02}
+#define UVC_GUID_EXT_GPIO_CONTROLLER \
+	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03}
+
+#define UVC_GUID_FORMAT_MJPEG \
+	{ 'M',  'J',  'P',  'G', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_YUY2 \
+	{ 'Y',  'U',  'Y',  '2', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_YUY2_ISIGHT \
+	{ 'Y',  'U',  'Y',  '2', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_NV12 \
+	{ 'N',  'V',  '1',  '2', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_YV12 \
+	{ 'Y',  'V',  '1',  '2', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_I420 \
+	{ 'I',  '4',  '2',  '0', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_UYVY \
+	{ 'U',  'Y',  'V',  'Y', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y800 \
+	{ 'Y',  '8',  '0',  '0', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y8 \
+	{ 'Y',  '8',  ' ',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y10 \
+	{ 'Y',  '1',  '0',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y12 \
+	{ 'Y',  '1',  '2',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y16 \
+	{ 'Y',  '1',  '6',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_BY8 \
+	{ 'B',  'Y',  '8',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_BA81 \
+	{ 'B',  'A',  '8',  '1', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GBRG \
+	{ 'G',  'B',  'R',  'G', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GRBG \
+	{ 'G',  'R',  'B',  'G', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_RGGB \
+	{ 'R',  'G',  'G',  'B', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_BG16 \
+	{ 'B',  'G',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GB16 \
+	{ 'G',  'B',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_RG16 \
+	{ 'R',  'G',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GR16 \
+	{ 'G',  'R',  '1',  '6', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_RGBP \
+	{ 'R',  'G',  'B',  'P', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_BGR3 \
+	{ 0x7d, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \
+	 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}
+#define UVC_GUID_FORMAT_M420 \
+	{ 'M',  '4',  '2',  '0', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+
+#define UVC_GUID_FORMAT_H264 \
+	{ 'H',  '2',  '6',  '4', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_H265 \
+	{ 'H',  '2',  '6',  '5', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y8I \
+	{ 'Y',  '8',  'I',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y12I \
+	{ 'Y',  '1',  '2',  'I', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Z16 \
+	{ 'Z',  '1',  '6',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_RW10 \
+	{ 'R',  'W',  '1',  '0', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_INVZ \
+	{ 'I',  'N',  'V',  'Z', 0x90, 0x2d, 0x58, 0x4a, \
+	 0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b}
+#define UVC_GUID_FORMAT_INZI \
+	{ 'I',  'N',  'Z',  'I', 0x66, 0x1a, 0x42, 0xa2, \
+	 0x90, 0x65, 0xd0, 0x18, 0x14, 0xa8, 0xef, 0x8a}
+#define UVC_GUID_FORMAT_INVI \
+	{ 'I',  'N',  'V',  'I', 0xdb, 0x57, 0x49, 0x5e, \
+	 0x8e, 0x3f, 0xf4, 0x79, 0x53, 0x2b, 0x94, 0x6f}
+#define UVC_GUID_FORMAT_CNF4 \
+	{ 'C',  ' ',  ' ',  ' ', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+
+#define UVC_GUID_FORMAT_D3DFMT_L8 \
+	{0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_KSMEDIA_L8_IR \
+	{0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+
+#define UVC_GUID_FORMAT_HEVC \
+	{ 'H',  'E',  'V',  'C', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+
+/* ------------------------------------------------------------------------
+ * Video formats
+ */
+
+struct uvc_format_desc {
+	char *name;
+	u8 guid[16];
+	u32 fcc;
+};
+
+static struct uvc_format_desc uvc_fmts[] = {
+	{
+		.name		= "YUV 4:2:2 (YUYV)",
+		.guid		= UVC_GUID_FORMAT_YUY2,
+		.fcc		= V4L2_PIX_FMT_YUYV,
+	},
+	{
+		.name		= "YUV 4:2:2 (YUYV)",
+		.guid		= UVC_GUID_FORMAT_YUY2_ISIGHT,
+		.fcc		= V4L2_PIX_FMT_YUYV,
+	},
+	{
+		.name		= "YUV 4:2:0 (NV12)",
+		.guid		= UVC_GUID_FORMAT_NV12,
+		.fcc		= V4L2_PIX_FMT_NV12,
+	},
+	{
+		.name		= "MJPEG",
+		.guid		= UVC_GUID_FORMAT_MJPEG,
+		.fcc		= V4L2_PIX_FMT_MJPEG,
+	},
+	{
+		.name		= "YVU 4:2:0 (YV12)",
+		.guid		= UVC_GUID_FORMAT_YV12,
+		.fcc		= V4L2_PIX_FMT_YVU420,
+	},
+	{
+		.name		= "YUV 4:2:0 (I420)",
+		.guid		= UVC_GUID_FORMAT_I420,
+		.fcc		= V4L2_PIX_FMT_YUV420,
+	},
+	{
+		.name		= "YUV 4:2:0 (M420)",
+		.guid		= UVC_GUID_FORMAT_M420,
+		.fcc		= V4L2_PIX_FMT_M420,
+	},
+	{
+		.name		= "YUV 4:2:2 (UYVY)",
+		.guid		= UVC_GUID_FORMAT_UYVY,
+		.fcc		= V4L2_PIX_FMT_UYVY,
+	},
+	{
+		.name		= "Greyscale 8-bit (Y800)",
+		.guid		= UVC_GUID_FORMAT_Y800,
+		.fcc		= V4L2_PIX_FMT_GREY,
+	},
+	{
+		.name		= "Greyscale 8-bit (Y8  )",
+		.guid		= UVC_GUID_FORMAT_Y8,
+		.fcc		= V4L2_PIX_FMT_GREY,
+	},
+	{
+		.name		= "Greyscale 8-bit (D3DFMT_L8)",
+		.guid		= UVC_GUID_FORMAT_D3DFMT_L8,
+		.fcc		= V4L2_PIX_FMT_GREY,
+	},
+	{
+		.name		= "IR 8-bit (L8_IR)",
+		.guid		= UVC_GUID_FORMAT_KSMEDIA_L8_IR,
+		.fcc		= V4L2_PIX_FMT_GREY,
+	},
+	{
+		.name		= "Greyscale 10-bit (Y10 )",
+		.guid		= UVC_GUID_FORMAT_Y10,
+		.fcc		= V4L2_PIX_FMT_Y10,
+	},
+	{
+		.name		= "Greyscale 12-bit (Y12 )",
+		.guid		= UVC_GUID_FORMAT_Y12,
+		.fcc		= V4L2_PIX_FMT_Y12,
+	},
+	{
+		.name		= "Greyscale 16-bit (Y16 )",
+		.guid		= UVC_GUID_FORMAT_Y16,
+		.fcc		= V4L2_PIX_FMT_Y16,
+	},
+	{
+		.name		= "BGGR Bayer (BY8 )",
+		.guid		= UVC_GUID_FORMAT_BY8,
+		.fcc		= V4L2_PIX_FMT_SBGGR8,
+	},
+	{
+		.name		= "BGGR Bayer (BA81)",
+		.guid		= UVC_GUID_FORMAT_BA81,
+		.fcc		= V4L2_PIX_FMT_SBGGR8,
+	},
+	{
+		.name		= "GBRG Bayer (GBRG)",
+		.guid		= UVC_GUID_FORMAT_GBRG,
+		.fcc		= V4L2_PIX_FMT_SGBRG8,
+	},
+	{
+		.name		= "GRBG Bayer (GRBG)",
+		.guid		= UVC_GUID_FORMAT_GRBG,
+		.fcc		= V4L2_PIX_FMT_SGRBG8,
+	},
+	{
+		.name		= "RGGB Bayer (RGGB)",
+		.guid		= UVC_GUID_FORMAT_RGGB,
+		.fcc		= V4L2_PIX_FMT_SRGGB8,
+	},
+	{
+		.name		= "RGB565",
+		.guid		= UVC_GUID_FORMAT_RGBP,
+		.fcc		= V4L2_PIX_FMT_RGB565,
+	},
+	{
+		.name		= "BGR 8:8:8 (BGR3)",
+		.guid		= UVC_GUID_FORMAT_BGR3,
+		.fcc		= V4L2_PIX_FMT_BGR24,
+	},
+	{
+		.name		= "H.264",
+		.guid		= UVC_GUID_FORMAT_H264,
+		.fcc		= V4L2_PIX_FMT_H264,
+	},
+	{
+		.name		= "H.265",
+		.guid		= UVC_GUID_FORMAT_H265,
+		.fcc		= V4L2_PIX_FMT_HEVC,
+	},
+	{
+		.name		= "Greyscale 8 L/R (Y8I)",
+		.guid		= UVC_GUID_FORMAT_Y8I,
+		.fcc		= V4L2_PIX_FMT_Y8I,
+	},
+	{
+		.name		= "Greyscale 12 L/R (Y12I)",
+		.guid		= UVC_GUID_FORMAT_Y12I,
+		.fcc		= V4L2_PIX_FMT_Y12I,
+	},
+	{
+		.name		= "Depth data 16-bit (Z16)",
+		.guid		= UVC_GUID_FORMAT_Z16,
+		.fcc		= V4L2_PIX_FMT_Z16,
+	},
+	{
+		.name		= "Bayer 10-bit (SRGGB10P)",
+		.guid		= UVC_GUID_FORMAT_RW10,
+		.fcc		= V4L2_PIX_FMT_SRGGB10P,
+	},
+	{
+		.name		= "Bayer 16-bit (SBGGR16)",
+		.guid		= UVC_GUID_FORMAT_BG16,
+		.fcc		= V4L2_PIX_FMT_SBGGR16,
+	},
+	{
+		.name		= "Bayer 16-bit (SGBRG16)",
+		.guid		= UVC_GUID_FORMAT_GB16,
+		.fcc		= V4L2_PIX_FMT_SGBRG16,
+	},
+	{
+		.name		= "Bayer 16-bit (SRGGB16)",
+		.guid		= UVC_GUID_FORMAT_RG16,
+		.fcc		= V4L2_PIX_FMT_SRGGB16,
+	},
+	{
+		.name		= "Bayer 16-bit (SGRBG16)",
+		.guid		= UVC_GUID_FORMAT_GR16,
+		.fcc		= V4L2_PIX_FMT_SGRBG16,
+	},
+	{
+		.name		= "Depth data 16-bit (Z16)",
+		.guid		= UVC_GUID_FORMAT_INVZ,
+		.fcc		= V4L2_PIX_FMT_Z16,
+	},
+	{
+		.name		= "Greyscale 10-bit (Y10 )",
+		.guid		= UVC_GUID_FORMAT_INVI,
+		.fcc		= V4L2_PIX_FMT_Y10,
+	},
+	{
+		.name		= "IR:Depth 26-bit (INZI)",
+		.guid		= UVC_GUID_FORMAT_INZI,
+		.fcc		= V4L2_PIX_FMT_INZI,
+	},
+	{
+		.name		= "4-bit Depth Confidence (Packed)",
+		.guid		= UVC_GUID_FORMAT_CNF4,
+		.fcc		= V4L2_PIX_FMT_CNF4,
+	},
+	{
+		.name		= "HEVC",
+		.guid		= UVC_GUID_FORMAT_HEVC,
+		.fcc		= V4L2_PIX_FMT_HEVC,
+	},
+};
+
+static inline struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16])
+{
+	unsigned int len = ARRAY_SIZE(uvc_fmts);
+	unsigned int i;
+
+	for (i = 0; i < len; ++i) {
+		if (memcmp(guid, uvc_fmts[i].guid, 16) == 0)
+			return &uvc_fmts[i];
+	}
+
+	return NULL;
+}
+
+#endif /* __LINUX_V4L2_UVC_H */
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index bbb3f26..3f4f171 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -19,7 +19,7 @@
 #include <linux/bitops.h>
 #include <media/media-request.h>
 
-#define VB2_MAX_FRAME	(32)
+#define VB2_MAX_FRAME	(64)
 #define VB2_MAX_PLANES	(8)
 
 /**
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index c203047..1c59f09 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -13,6 +13,7 @@
 #define _MEDIA_VIDEOBUF2_V4L2_H
 
 #include <linux/videodev2.h>
+#include <linux/android_kabi.h>
 #include <media/videobuf2-core.h>
 
 #if VB2_MAX_FRAME != VIDEO_MAX_FRAME
@@ -51,6 +52,8 @@
 	__s32			request_fd;
 	bool			is_held;
 	struct vb2_plane	planes[VB2_MAX_PLANES];
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* VB2 V4L2 flags as set in vb2_queue.subsystem_flags */
diff --git a/include/net/TEST_MAPPING b/include/net/TEST_MAPPING
new file mode 100644
index 0000000..1eb8d43
--- /dev/null
+++ b/include/net/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsNetTestCases",
+      "options": [
+        {
+          "exclude-annotation": "com.android.testutils.SkipPresubmit"
+        }
+      ]
+    }
+  ]
+}
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 4d0c4cf1d..4caa95b 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -31,9 +31,15 @@
 	__u8			length;
 	__u8			prefix_len;
 
+/*
+ * ANDROID: crc fix for commit 9354e0acdb74 ("net: ipv6: support
+ * reporting otherwise unknown prefix * flags in RTM_NEWPREFIX")
+ */
+#ifndef __GENKSYMS__
 	union __packed {
 		__u8		flags;
 		struct __packed {
+#endif
 #if defined(__BIG_ENDIAN_BITFIELD)
 			__u8	onlink : 1,
 			 	autoconf : 1,
@@ -45,8 +51,10 @@
 #else
 #error "Please fix <asm/byteorder.h>"
 #endif
+#ifndef __GENKSYMS__
 		};
 	};
+#endif
 	__be32			valid;
 	__be32			prefered;
 	__be32			reserved2;
@@ -279,6 +287,18 @@
 void addrconf_prefix_rcv(struct net_device *dev,
 			 u8 *opt, int len, bool sllao);
 
+/* Determines into what table to put autoconf PIO/RIO/default routes
+ * learned on this device.
+ *
+ * - If 0, use the same table for every device. This puts routes into
+ *   one of RT_TABLE_{PREFIX,INFO,DFLT} depending on the type of route
+ *   (but note that these three are currently all equal to
+ *   RT6_TABLE_MAIN).
+ * - If > 0, use the specified table.
+ * - If < 0, put routes into table dev->ifindex + (-rt_table).
+ */
+u32 addrconf_rt_table(const struct net_device *dev, u32 default_table);
+
 /*
  *	anycast prototypes (anycast.c)
  */
diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h
index 4d85892..b1c7172 100644
--- a/include/net/af_vsock.h
+++ b/include/net/af_vsock.h
@@ -197,8 +197,7 @@
 struct sock *vsock_find_connected_socket(struct sockaddr_vm *src,
 					 struct sockaddr_vm *dst);
 void vsock_remove_sock(struct vsock_sock *vsk);
-void vsock_for_each_connected_socket(struct vsock_transport *transport,
-				     void (*fn)(struct sock *sk));
+void vsock_for_each_connected_socket(void (*fn)(struct sock *sk));
 int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk);
 bool vsock_find_cid(unsigned int cid);
 
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index ede7a15..243de74 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1503,7 +1503,7 @@
 } __packed;
 
 #define HCI_LE_USE_PEER_ADDR		0x00
-#define HCI_LE_USE_ACCEPT_LIST		0x01
+#define HCI_LE_USE_WHITELIST		0x01
 
 #define HCI_OP_LE_CREATE_CONN		0x200d
 struct hci_cp_le_create_conn {
@@ -1523,22 +1523,22 @@
 
 #define HCI_OP_LE_CREATE_CONN_CANCEL	0x200e
 
-#define HCI_OP_LE_READ_ACCEPT_LIST_SIZE	0x200f
-struct hci_rp_le_read_accept_list_size {
+#define HCI_OP_LE_READ_WHITE_LIST_SIZE	0x200f
+struct hci_rp_le_read_white_list_size {
 	__u8	status;
 	__u8	size;
 } __packed;
 
-#define HCI_OP_LE_CLEAR_ACCEPT_LIST	0x2010
+#define HCI_OP_LE_CLEAR_WHITE_LIST	0x2010
 
-#define HCI_OP_LE_ADD_TO_ACCEPT_LIST	0x2011
-struct hci_cp_le_add_to_accept_list {
+#define HCI_OP_LE_ADD_TO_WHITE_LIST	0x2011
+struct hci_cp_le_add_to_white_list {
 	__u8     bdaddr_type;
 	bdaddr_t bdaddr;
 } __packed;
 
-#define HCI_OP_LE_DEL_FROM_ACCEPT_LIST	0x2012
-struct hci_cp_le_del_from_accept_list {
+#define HCI_OP_LE_DEL_FROM_WHITE_LIST	0x2012
+struct hci_cp_le_del_from_white_list {
 	__u8     bdaddr_type;
 	bdaddr_t bdaddr;
 } __packed;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 3387326..d651f0a 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -28,6 +28,7 @@
 #include <linux/idr.h>
 #include <linux/leds.h>
 #include <linux/rculist.h>
+#include <linux/android_kabi.h>
 
 #include <net/bluetooth/hci.h>
 #include <net/bluetooth/hci_sock.h>
@@ -292,7 +293,7 @@
 	struct list_head list;
 	struct mutex	lock;
 
-	const char	*name;
+	char		name[8];
 	unsigned long	flags;
 	__u16		id;
 	__u8		bus;
@@ -313,7 +314,7 @@
 	__u8		max_page;
 	__u8		features[HCI_MAX_PAGES][8];
 	__u8		le_features[8];
-	__u8		le_accept_list_size;
+	__u8		le_white_list_size;
 	__u8		le_resolv_list_size;
 	__u8		le_num_of_adv_sets;
 	__u8		le_states[8];
@@ -369,8 +370,6 @@
 	__u8		ssp_debug_mode;
 	__u8		hw_error_code;
 	__u32		clock;
-	__u16		advmon_allowlist_duration;
-	__u16		advmon_no_filter_duration;
 
 	__u16		devid_source;
 	__u16		devid_vendor;
@@ -504,14 +503,14 @@
 	struct hci_conn_hash	conn_hash;
 
 	struct list_head	mgmt_pending;
-	struct list_head	reject_list;
-	struct list_head	accept_list;
+	struct list_head	blacklist;
+	struct list_head	whitelist;
 	struct list_head	uuids;
 	struct list_head	link_keys;
 	struct list_head	long_term_keys;
 	struct list_head	identity_resolving_keys;
 	struct list_head	remote_oob_data;
-	struct list_head	le_accept_list;
+	struct list_head	le_white_list;
 	struct list_head	le_resolv_list;
 	struct list_head	le_conn_params;
 	struct list_head	pend_le_conns;
@@ -552,14 +551,6 @@
 	struct delayed_work	rpa_expired;
 	bdaddr_t		rpa;
 
-	enum {
-		INTERLEAVE_SCAN_NONE,
-		INTERLEAVE_SCAN_NO_FILTER,
-		INTERLEAVE_SCAN_ALLOWLIST
-	} interleave_scan_state;
-
-	struct delayed_work	interleave_scan;
-
 #if IS_ENABLED(CONFIG_BT_LEDS)
 	struct led_trigger	*power_led;
 #endif
@@ -582,6 +573,11 @@
 	int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 	void (*cmd_timeout)(struct hci_dev *hdev);
 	bool (*prevent_wake)(struct hci_dev *hdev);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #define HCI_PHY_HANDLE(handle)	(handle & 0xff)
@@ -678,6 +674,11 @@
 	void (*connect_cfm_cb)	(struct hci_conn *conn, u8 status);
 	void (*security_cfm_cb)	(struct hci_conn *conn, u8 status);
 	void (*disconn_cfm_cb)	(struct hci_conn *conn, u8 reason);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct hci_chan {
@@ -688,6 +689,8 @@
 	unsigned int	sent;
 	__u8		state;
 	bool		amp;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct hci_conn_params {
@@ -714,6 +717,8 @@
 	struct hci_conn *conn;
 	bool explicit_connect;
 	u32 current_flags;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 extern struct list_head hci_dev_list;
@@ -1433,6 +1438,8 @@
 								__u8 encrypt);
 	void (*key_change_cfm)	(struct hci_conn *conn, __u8 status);
 	void (*role_switch_cfm)	(struct hci_conn *conn, __u8 status, __u8 role);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
@@ -1693,6 +1700,8 @@
 	size_t handler_count;
 	const struct hci_mgmt_handler *handlers;
 	void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 7f9d0ab..86d8b96 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -29,6 +29,7 @@
 
 #include <asm/unaligned.h>
 #include <linux/atomic.h>
+#include <linux/android_kabi.h>
 
 /* L2CAP defaults */
 #define L2CAP_DEFAULT_MTU		672
@@ -644,6 +645,9 @@
 	void			*data;
 	const struct l2cap_ops	*ops;
 	struct mutex		lock;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct l2cap_ops {
@@ -668,6 +672,9 @@
 					       unsigned long len, int nb);
 	int			(*filter) (struct l2cap_chan * chan,
 					   struct sk_buff *skb);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct l2cap_conn {
@@ -703,6 +710,9 @@
 	struct mutex		chan_lock;
 	struct kref		ref;
 	struct list_head	users;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 struct l2cap_user {
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index 99d2687..d8f4e83 100644
--- a/include/net/bluetooth/rfcomm.h
+++ b/include/net/bluetooth/rfcomm.h
@@ -22,6 +22,7 @@
 */
 
 #include <linux/refcount.h>
+#include <linux/android_kabi.h>
 
 #ifndef __RFCOMM_H
 #define __RFCOMM_H
@@ -164,6 +165,8 @@
 	uint   mtu;
 
 	struct list_head dlcs;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct rfcomm_dlc {
@@ -197,6 +200,9 @@
 	void (*data_ready)(struct rfcomm_dlc *d, struct sk_buff *skb);
 	void (*state_change)(struct rfcomm_dlc *d, int err);
 	void (*modem_status)(struct rfcomm_dlc *d, u8 v24_sig);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 /* DLC and session flags */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 4536a12..cf44feb 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -20,6 +20,7 @@
 #include <linux/if_ether.h>
 #include <linux/ieee80211.h>
 #include <linux/net.h>
+#include <linux/android_kabi.h>
 #include <net/regulatory.h>
 
 /**
@@ -1011,6 +1012,21 @@
  * @sae_pwd: password for SAE authentication (for devices supporting SAE
  *	offload)
  * @sae_pwd_len: length of SAE password (for devices supporting SAE offload)
+ * @sae_pwe: The mechanisms allowed for SAE PWE derivation:
+ *
+ *	NL80211_SAE_PWE_UNSPECIFIED
+ *	  Not-specified, used to indicate userspace did not specify any
+ *	  preference. The driver should follow its internal policy in
+ *	  such a scenario.
+ *
+ *	NL80211_SAE_PWE_HUNT_AND_PECK
+ *	  Allow hunting-and-pecking loop only
+ *
+ *	NL80211_SAE_PWE_HASH_TO_ELEMENT
+ *	  Allow hash-to-element only
+ *
+ *	NL80211_SAE_PWE_BOTH
+ *	  Allow either hunting-and-pecking loop or hash-to-element
  */
 struct cfg80211_crypto_settings {
 	u32 wpa_versions;
@@ -1029,6 +1045,9 @@
 	const u8 *psk;
 	const u8 *sae_pwd;
 	u8 sae_pwd_len;
+	enum nl80211_sae_pwe_mechanism sae_pwe;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -1075,6 +1094,8 @@
 	size_t probe_resp_len;
 	size_t lci_len;
 	size_t civicloc_len;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct mac_address {
@@ -1211,6 +1232,8 @@
 	struct cfg80211_he_bss_color he_bss_color;
 	struct cfg80211_fils_discovery fils_discovery;
 	struct cfg80211_unsol_bcast_probe_resp unsol_bcast_probe_resp;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -1240,6 +1263,8 @@
 	bool radar_required;
 	bool block_tx;
 	u8 count;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
@@ -1382,6 +1407,8 @@
 	u16 airtime_weight;
 	struct sta_txpwr txpwr;
 	const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -1728,6 +1755,8 @@
 	u32 airtime_link_metric;
 
 	u8 connected_to_as;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #if IS_ENABLED(CONFIG_CFG80211)
@@ -1982,6 +2011,8 @@
 	u16 dot11MeshAwakeWindowDuration;
 	u32 plink_timeout;
 	bool dot11MeshNolearn;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -2031,6 +2062,8 @@
 	struct cfg80211_bitrate_mask beacon_rate;
 	bool userspace_handles_dfs;
 	bool control_port_over_nl80211;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -2192,6 +2225,8 @@
 	u32 n_6ghz_params;
 	struct cfg80211_scan_6ghz_params *scan_6ghz_params;
 
+	ANDROID_KABI_RESERVE(1);
+
 	/* keep last */
 	struct ieee80211_channel *channels[];
 };
@@ -2338,6 +2373,8 @@
 	bool nl_owner_dead;
 	struct list_head list;
 
+	ANDROID_KABI_RESERVE(1);
+
 	/* keep last */
 	struct ieee80211_channel *channels[];
 };
@@ -2461,6 +2498,8 @@
 	u8 bssid_index;
 	u8 max_bssid_indicator;
 
+	ANDROID_KABI_RESERVE(1);
+
 	u8 priv[] __aligned(sizeof(void *));
 };
 
@@ -2587,6 +2626,8 @@
 	size_t fils_kek_len;
 	const u8 *fils_nonces;
 	struct ieee80211_s1g_cap s1g_capa, s1g_capa_mask;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -2685,6 +2726,8 @@
 	struct ieee80211_ht_cap ht_capa_mask;
 	struct key_params *wep_keys;
 	int wep_tx_key;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -2799,6 +2842,8 @@
 	size_t fils_erp_rrk_len;
 	bool want_1x;
 	struct ieee80211_edmg edmg;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -3256,6 +3301,8 @@
 	u8 num_rx_filters;
 	u8 instance_id;
 	u64 cookie;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -3416,6 +3463,8 @@
 	    dist_avg_valid:1,
 	    dist_variance_valid:1,
 	    dist_spread_valid:1;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -4252,6 +4301,10 @@
 				  struct cfg80211_tid_config *tid_conf);
 	int	(*reset_tid_config)(struct wiphy *wiphy, struct net_device *dev,
 				    const u8 *peer, u8 tids);
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /*
@@ -4615,6 +4668,8 @@
 		      unsigned long *storage);
 	const struct nla_policy *policy;
 	unsigned int maxattr;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -5020,6 +5075,8 @@
 
 	u8 max_data_retry_count;
 
+	ANDROID_KABI_RESERVE(1);
+
 	char priv[] __aligned(NETDEV_ALIGN);
 };
 
@@ -5317,6 +5374,9 @@
 	struct work_struct pmsr_free_wk;
 
 	unsigned long unprot_beacon_reported;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 static inline u8 *wdev_address(struct wireless_dev *wdev)
diff --git a/include/net/dst.h b/include/net/dst.h
index 48e61342..8a74d14 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -350,8 +350,9 @@
 static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev,
 				 struct net *net)
 {
-	DEV_STATS_INC(dev, rx_packets);
-	DEV_STATS_ADD(dev, rx_bytes, skb->len);
+	/* TODO : stats should be SMP safe */
+	dev->stats.rx_packets++;
+	dev->stats.rx_bytes += skb->len;
 	__skb_tunnel_rx(skb, dev, net);
 }
 
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 632086b..88ff7bb 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -16,7 +16,7 @@
 	unsigned short		family;
 	unsigned int		gc_thresh;
 
-	void			(*gc)(struct dst_ops *ops);
+	int			(*gc)(struct dst_ops *ops);
 	struct dst_entry *	(*check)(struct dst_entry *, __u32 cookie);
 	unsigned int		(*default_advmss)(const struct dst_entry *);
 	unsigned int		(*mtu)(const struct dst_entry *);
diff --git a/include/net/flow.h b/include/net/flow.h
index 7ffa1fe..39d0ced 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -39,8 +39,8 @@
 #define FLOWI_FLAG_SKIP_NH_OIF		0x04
 	__u32	flowic_secid;
 	kuid_t  flowic_uid;
-	__u32		flowic_multipath_hash;
 	struct flowi_tunnel flowic_tun_key;
+	__u32		flowic_multipath_hash;
 };
 
 union flowi_uli {
@@ -54,6 +54,11 @@
 		__u8	code;
 	} icmpt;
 
+	struct {
+		__le16	dport;
+		__le16	sport;
+	} dnports;
+
 	__be32		spi;
 	__be32		gre_key;
 
@@ -151,11 +156,27 @@
 	__u32			mp_hash;
 } __attribute__((__aligned__(BITS_PER_LONG/8)));
 
+struct flowidn {
+	struct flowi_common	__fl_common;
+#define flowidn_oif		__fl_common.flowic_oif
+#define flowidn_iif		__fl_common.flowic_iif
+#define flowidn_mark		__fl_common.flowic_mark
+#define flowidn_scope		__fl_common.flowic_scope
+#define flowidn_proto		__fl_common.flowic_proto
+#define flowidn_flags		__fl_common.flowic_flags
+	__le16			daddr;
+	__le16			saddr;
+	union flowi_uli		uli;
+#define fld_sport		uli.ports.sport
+#define fld_dport		uli.ports.dport
+} __attribute__((__aligned__(BITS_PER_LONG/8)));
+
 struct flowi {
 	union {
 		struct flowi_common	__fl_common;
 		struct flowi4		ip4;
 		struct flowi6		ip6;
+		struct flowidn		dn;
 	} u;
 #define flowi_oif	u.__fl_common.flowic_oif
 #define flowi_iif	u.__fl_common.flowic_iif
@@ -189,6 +210,11 @@
 	return &(flowi6_to_flowi(fl6)->u.__fl_common);
 }
 
+static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn)
+{
+	return container_of(fldn, struct flowi, u.dn);
+}
+
 __u32 __get_hash_from_flowi6(const struct flowi6 *fl6, struct flow_keys *keys);
 
 #endif
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 3057c8e6..d66f0f3 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -3,6 +3,7 @@
 #define __NET_GENERIC_NETLINK_H
 
 #include <linux/genetlink.h>
+#include <linux/android_kabi.h>
 #include <net/netlink.h>
 #include <net/net_namespace.h>
 
@@ -11,12 +12,9 @@
 /**
  * struct genl_multicast_group - generic netlink multicast group
  * @name: name of the multicast group, names are per-family
- * @cap_sys_admin: whether %CAP_SYS_ADMIN is required for binding
  */
 struct genl_multicast_group {
 	char			name[GENL_NAMSIZ];
-	u8			flags;
-	u8			cap_sys_admin:1;
 };
 
 struct genl_ops;
@@ -70,6 +68,8 @@
 	const struct genl_small_ops *small_ops;
 	const struct genl_multicast_group *mcgrps;
 	struct module		*module;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -161,6 +161,8 @@
 	u8			internal_flags;
 	u8			flags;
 	u8			validate;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index ff901aa..cf76a6c 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -17,6 +17,7 @@
 #include <linux/poll.h>
 #include <linux/kernel.h>
 #include <linux/sockptr.h>
+#include <linux/android_kabi.h>
 
 #include <net/inet_sock.h>
 #include <net/request_sock.h>
@@ -51,6 +52,8 @@
 				  char __user *optval, int __user *optlen);
 	void	    (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
 	void	    (*mtu_reduced)(struct sock *sk);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /** inet_connection_sock - INET connection oriented sock
@@ -134,6 +137,8 @@
 	u32			  icsk_probes_tstamp;
 	u32			  icsk_user_timeout;
 
+	ANDROID_KABI_RESERVE(1);
+
 	u64			  icsk_ca_priv[104 / sizeof(u64)];
 #define ICSK_CA_PRIV_SIZE      (13 * sizeof(u64))
 };
diff --git a/include/net/ip.h b/include/net/ip.h
index 9be2efe..1f2389f3 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -55,7 +55,6 @@
 #define IPSKB_DOREDIRECT	BIT(5)
 #define IPSKB_FRAG_PMTU		BIT(6)
 #define IPSKB_L3SLAVE		BIT(7)
-#define IPSKB_NOPOLICY		BIT(8)
 #define IPSKB_MULTIPATH		BIT(9)
 
 	u16			frag_max_size;
@@ -348,6 +347,13 @@
 	return test_bit(port, net->ipv4.sysctl_local_reserved_ports);
 }
 
+static inline bool inet_is_local_unbindable_port(struct net *net, unsigned short port)
+{
+	if (!net->ipv4.sysctl_local_unbindable_ports)
+		return false;
+	return test_bit(port, net->ipv4.sysctl_local_unbindable_ports);
+}
+
 static inline bool sysctl_dev_name_is_allowed(const char *name)
 {
 	return strcmp(name, "default") != 0  && strcmp(name, "all") != 0;
@@ -364,6 +370,11 @@
 	return false;
 }
 
+static inline bool inet_is_local_unbindable_port(struct net *net, unsigned short port)
+{
+	return false;
+}
+
 static inline bool inet_port_requires_bind_service(struct net *net, unsigned short port)
 {
 	return port < PROT_SOCK;
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 95d93ec..ebdc542 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -13,6 +13,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/spinlock.h>
 #include <linux/notifier.h>
+#include <linux/android_kabi.h>
 #include <net/dst.h>
 #include <net/flow.h>
 #include <net/ip_fib.h>
@@ -67,6 +68,8 @@
 	struct nlattr	*fc_encap;
 	u16		fc_encap_type;
 	bool		fc_is_fdb;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct fib6_node {
@@ -83,6 +86,8 @@
 	int			fn_sernum;
 	struct fib6_info __rcu	*rr_ptr;
 	struct rcu_head		rcu;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct fib6_gc_args {
@@ -199,6 +204,9 @@
 
 	struct rcu_head			rcu;
 	struct nexthop			*nh;
+
+	ANDROID_KABI_RESERVE(1);
+
 	struct fib6_nh			fib6_nh[];
 };
 
@@ -218,6 +226,8 @@
 
 	/* more non-fragment space at head required */
 	unsigned short			rt6i_nfheader_len;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct fib6_result {
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 0d3cb34..088f257 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -151,7 +151,6 @@
 	int			fib_nhs;
 	bool			fib_nh_is_v6;
 	bool			nh_updated;
-	bool			pfsrc_removed;
 	struct nexthop		*nh;
 	struct rcu_head		rcu;
 	struct fib_nh		fib_nh[];
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 58d8e62..1ddd401 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -455,14 +455,15 @@
 		tstats->tx_packets++;
 		u64_stats_update_end(&tstats->syncp);
 		put_cpu_ptr(tstats);
-		return;
-	}
-
-	if (pkt_len < 0) {
-		DEV_STATS_INC(dev, tx_errors);
-		DEV_STATS_INC(dev, tx_aborted_errors);
 	} else {
-		DEV_STATS_INC(dev, tx_dropped);
+		struct net_device_stats *err_stats = &dev->stats;
+
+		if (pkt_len < 0) {
+			err_stats->tx_errors++;
+			err_stats->tx_aborted_errors++;
+		} else {
+			err_stats->tx_dropped++;
+		}
 	}
 }
 
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 6ff49c1..02cd47e 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -18,6 +18,7 @@
 #include <linux/if_ether.h>
 #include <linux/skbuff.h>
 #include <linux/ieee80211.h>
+#include <linux/android_kabi.h>
 #include <net/cfg80211.h>
 #include <net/codel.h>
 #include <net/ieee80211_radiotap.h>
@@ -701,6 +702,8 @@
 	u32 unsol_bcast_probe_resp_interval;
 	bool s1g;
 	struct cfg80211_bitrate_mask beacon_tx_rate;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -1097,6 +1100,9 @@
 			void *rate_driver_data[
 				IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)];
 		};
+
+		ANDROID_KABI_RESERVE(1);
+
 		void *driver_data[
 			IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *)];
 	};
@@ -1583,6 +1589,8 @@
 	struct cfg80211_chan_def chandef;
 	bool radar_enabled;
 	enum ieee80211_smps_mode smps_mode;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -1727,6 +1735,8 @@
 
 	bool txqs_stopped[IEEE80211_NUM_ACS];
 
+	ANDROID_KABI_RESERVE(1);
+
 	/* must be last */
 	u8 drv_priv[] __aligned(sizeof(void *));
 };
@@ -2112,6 +2122,8 @@
 
 	struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1];
 
+	ANDROID_KABI_RESERVE(1);
+
 	/* must be last */
 	u8 drv_priv[] __aligned(sizeof(void *));
 };
@@ -2606,6 +2618,8 @@
 	u8 tx_sk_pacing_shift;
 	u8 weight_multiplier;
 	u32 max_mtu;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw,
@@ -4192,6 +4206,11 @@
 				   struct ieee80211_vif *vif);
 	void (*sta_set_4addr)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			      struct ieee80211_sta *sta, bool enabled);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /**
@@ -6161,6 +6180,11 @@
 				struct dentry *dir);
 
 	u32 (*get_expected_throughput)(void *priv_sta);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 static inline int rate_supported(struct ieee80211_sta *sta,
diff --git a/include/net/macsec.h b/include/net/macsec.h
index 0dc4303..d6fa6b9 100644
--- a/include/net/macsec.h
+++ b/include/net/macsec.h
@@ -240,7 +240,6 @@
 	struct macsec_secy *secy;
 	struct macsec_rx_sc *rx_sc;
 	struct {
-		bool update_pn;
 		unsigned char assoc_num;
 		u8 key[MACSEC_MAX_KEY_LEN];
 		union {
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 0e9d33e4..42f74b5 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -28,6 +28,7 @@
 #include <linux/err.h>
 #include <linux/sysctl.h>
 #include <linux/workqueue.h>
+#include <linux/android_kabi.h>
 #include <net/rtnetlink.h>
 
 /*
@@ -83,6 +84,8 @@
 	int	reachable_time;
 	int	data[NEIGH_VAR_DATA_MAX];
 	DECLARE_BITMAP(data_state, NEIGH_VAR_DATA_MAX);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline void neigh_var_set(struct neigh_parms *p, int index, int val)
@@ -157,6 +160,9 @@
 	struct list_head	gc_list;
 	struct rcu_head		rcu;
 	struct net_device	*dev;
+
+	ANDROID_KABI_RESERVE(1);
+
 	u8			primary_key[0];
 } __randomize_layout;
 
@@ -174,7 +180,7 @@
 	struct net_device	*dev;
 	u8			flags;
 	u8			protocol;
-	u32			key[];
+	u8			key[];
 };
 
 /*
@@ -226,6 +232,8 @@
 	struct neigh_statistics	__percpu *stats;
 	struct neigh_hash_table __rcu *nht;
 	struct pneigh_entry	**phash_buckets;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 enum {
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index eb0e773..9764f4c 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -237,8 +237,6 @@
 struct net *get_net_ns_by_pid(pid_t pid);
 struct net *get_net_ns_by_fd(int fd);
 
-u64 __net_gen_cookie(struct net *net);
-
 #ifdef CONFIG_SYSCTL
 void ipx_register_sysctl(void);
 void ipx_unregister_sysctl(void);
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 5cf23a2..d13076d 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -15,6 +15,8 @@
 
 #include <linux/bitops.h>
 #include <linux/compiler.h>
+#include <linux/android_vendor.h>
+#include <linux/android_kabi.h>
 
 #include <linux/netfilter/nf_conntrack_common.h>
 #include <linux/netfilter/nf_conntrack_tcp.h>
@@ -105,6 +107,11 @@
 
 	/* Storage reserved for other modules, must be the last member */
 	union nf_conntrack_proto proto;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+
+	ANDROID_OEM_DATA(1);
 };
 
 static inline struct nf_conn *
diff --git a/include/net/netns/can.h b/include/net/netns/can.h
index 52fbd82..d075f61 100644
--- a/include/net/netns/can.h
+++ b/include/net/netns/can.h
@@ -7,6 +7,7 @@
 #define __NETNS_CAN_H__
 
 #include <linux/spinlock.h>
+#include <linux/android_kabi.h>
 
 struct can_dev_rcv_lists;
 struct can_pkg_stats;
@@ -35,6 +36,8 @@
 
 	/* CAN GW per-net gateway jobs */
 	struct hlist_head cgw_list;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #endif /* __NETNS_CAN_H__ */
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 9b0d864..fb94551 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -10,6 +10,7 @@
 #include <net/inet_frag.h>
 #include <linux/rcupdate.h>
 #include <linux/siphash.h>
+#include <linux/android_kabi.h>
 
 struct tcpm_hash_bucket;
 struct ctl_table_header;
@@ -71,6 +72,7 @@
 	struct sock		*mc_autojoin_sk;
 
 	struct inet_peer_base	*peers;
+	struct sock  * __percpu	*tcp_sk;
 	struct fqdir		*fqdir;
 #ifdef CONFIG_NETFILTER
 	struct xt_table		*iptable_filter;
@@ -83,41 +85,41 @@
 	struct xt_table		*nat_table;
 #endif
 
-	u8 sysctl_icmp_echo_ignore_all;
-	u8 sysctl_icmp_echo_ignore_broadcasts;
-	u8 sysctl_icmp_ignore_bogus_error_responses;
-	u8 sysctl_icmp_errors_use_inbound_ifaddr;
+	int sysctl_icmp_echo_ignore_all;
+	int sysctl_icmp_echo_ignore_broadcasts;
+	int sysctl_icmp_ignore_bogus_error_responses;
 	int sysctl_icmp_ratelimit;
 	int sysctl_icmp_ratemask;
+	int sysctl_icmp_errors_use_inbound_ifaddr;
 
 	struct local_ports ip_local_ports;
 
-	u8 sysctl_tcp_ecn;
-	u8 sysctl_tcp_ecn_fallback;
+	int sysctl_tcp_ecn;
+	int sysctl_tcp_ecn_fallback;
 
-	u8 sysctl_ip_default_ttl;
-	u8 sysctl_ip_no_pmtu_disc;
-	u8 sysctl_ip_fwd_use_pmtu;
+	int sysctl_ip_default_ttl;
+	int sysctl_ip_no_pmtu_disc;
+	int sysctl_ip_fwd_use_pmtu;
 	int sysctl_ip_fwd_update_priority;
-	u8 sysctl_ip_nonlocal_bind;
-	u8 sysctl_ip_autobind_reuse;
+	int sysctl_ip_nonlocal_bind;
+	int sysctl_ip_autobind_reuse;
 	/* Shall we try to damage output packets if routing dev changes? */
-	u8 sysctl_ip_dynaddr;
-	u8 sysctl_ip_early_demux;
+	int sysctl_ip_dynaddr;
+	int sysctl_ip_early_demux;
 #ifdef CONFIG_NET_L3_MASTER_DEV
-	u8 sysctl_raw_l3mdev_accept;
+	int sysctl_raw_l3mdev_accept;
 #endif
 	int sysctl_tcp_early_demux;
 	int sysctl_udp_early_demux;
 
-	u8 sysctl_nexthop_compat_mode;
+	int sysctl_nexthop_compat_mode;
 
-	u8 sysctl_fwmark_reflect;
-	u8 sysctl_tcp_fwmark_accept;
+	int sysctl_fwmark_reflect;
+	int sysctl_tcp_fwmark_accept;
 #ifdef CONFIG_NET_L3_MASTER_DEV
-	u8 sysctl_tcp_l3mdev_accept;
+	int sysctl_tcp_l3mdev_accept;
 #endif
-	u8 sysctl_tcp_mtu_probing;
+	int sysctl_tcp_mtu_probing;
 	int sysctl_tcp_mtu_probe_floor;
 	int sysctl_tcp_base_mss;
 	int sysctl_tcp_min_snd_mss;
@@ -125,48 +127,46 @@
 	u32 sysctl_tcp_probe_interval;
 
 	int sysctl_tcp_keepalive_time;
+	int sysctl_tcp_keepalive_probes;
 	int sysctl_tcp_keepalive_intvl;
-	u8 sysctl_tcp_keepalive_probes;
 
-	u8 sysctl_tcp_syn_retries;
-	u8 sysctl_tcp_synack_retries;
-	u8 sysctl_tcp_syncookies;
-	u8 sysctl_tcp_migrate_req;
+	int sysctl_tcp_syn_retries;
+	int sysctl_tcp_synack_retries;
+	int sysctl_tcp_syncookies;
 	int sysctl_tcp_reordering;
-	u8 sysctl_tcp_retries1;
-	u8 sysctl_tcp_retries2;
-	u8 sysctl_tcp_orphan_retries;
-	u8 sysctl_tcp_tw_reuse;
+	int sysctl_tcp_retries1;
+	int sysctl_tcp_retries2;
+	int sysctl_tcp_orphan_retries;
 	int sysctl_tcp_fin_timeout;
 	unsigned int sysctl_tcp_notsent_lowat;
-	u8 sysctl_tcp_sack;
-	u8 sysctl_tcp_window_scaling;
-	u8 sysctl_tcp_timestamps;
-	u8 sysctl_tcp_early_retrans;
-	u8 sysctl_tcp_recovery;
-	u8 sysctl_tcp_thin_linear_timeouts;
-	u8 sysctl_tcp_slow_start_after_idle;
-	u8 sysctl_tcp_retrans_collapse;
-	u8 sysctl_tcp_stdurg;
-	u8 sysctl_tcp_rfc1337;
-	u8 sysctl_tcp_abort_on_overflow;
-	u8 sysctl_tcp_fack; /* obsolete */
+	int sysctl_tcp_tw_reuse;
+	int sysctl_tcp_sack;
+	int sysctl_tcp_window_scaling;
+	int sysctl_tcp_timestamps;
+	int sysctl_tcp_early_retrans;
+	int sysctl_tcp_recovery;
+	int sysctl_tcp_thin_linear_timeouts;
+	int sysctl_tcp_slow_start_after_idle;
+	int sysctl_tcp_retrans_collapse;
+	int sysctl_tcp_stdurg;
+	int sysctl_tcp_rfc1337;
+	int sysctl_tcp_abort_on_overflow;
+	int sysctl_tcp_fack;
 	int sysctl_tcp_max_reordering;
+	int sysctl_tcp_dsack;
+	int sysctl_tcp_app_win;
 	int sysctl_tcp_adv_win_scale;
-	u8 sysctl_tcp_dsack;
-	u8 sysctl_tcp_app_win;
-	u8 sysctl_tcp_frto;
-	u8 sysctl_tcp_nometrics_save;
-	u8 sysctl_tcp_no_ssthresh_metrics_save;
-	u8 sysctl_tcp_moderate_rcvbuf;
-	u8 sysctl_tcp_tso_win_divisor;
-	u8 sysctl_tcp_workaround_signed_windows;
+	int sysctl_tcp_frto;
+	int sysctl_tcp_nometrics_save;
+	int sysctl_tcp_no_ssthresh_metrics_save;
+	int sysctl_tcp_moderate_rcvbuf;
+	int sysctl_tcp_tso_win_divisor;
+	int sysctl_tcp_workaround_signed_windows;
 	int sysctl_tcp_limit_output_bytes;
 	int sysctl_tcp_challenge_ack_limit;
+	int sysctl_tcp_min_tso_segs;
 	int sysctl_tcp_min_rtt_wlen;
-	u8 sysctl_tcp_min_tso_segs;
-	u8 sysctl_tcp_autocorking;
-	u8 sysctl_tcp_reflect_tos;
+	int sysctl_tcp_autocorking;
 	int sysctl_tcp_invalid_ratelimit;
 	int sysctl_tcp_pacing_ss_ratio;
 	int sysctl_tcp_pacing_ca_ratio;
@@ -184,6 +184,7 @@
 	unsigned int sysctl_tcp_fastopen_blackhole_timeout;
 	atomic_t tfo_active_disable_times;
 	unsigned long tfo_active_disable_stamp;
+	int sysctl_tcp_reflect_tos;
 
 	int sysctl_udp_wmem_min;
 	int sysctl_udp_rmem_min;
@@ -203,6 +204,7 @@
 
 #ifdef CONFIG_SYSCTL
 	unsigned long *sysctl_local_reserved_ports;
+	unsigned long *sysctl_local_unbindable_ports;
 	int sysctl_ip_prot_sock;
 #endif
 
@@ -227,5 +229,7 @@
 
 	atomic_t	rt_genid;
 	siphash_key_t	ip_id_key;
+
+	ANDROID_KABI_RESERVE(1);
 };
 #endif
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index f179996..485845f 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -7,6 +7,7 @@
 
 #ifndef __NETNS_IPV6_H__
 #define __NETNS_IPV6_H__
+#include <linux/android_kabi.h>
 #include <net/dst_ops.h>
 #include <uapi/linux/icmpv6.h>
 
@@ -78,7 +79,7 @@
 	struct dst_ops		ip6_dst_ops;
 	rwlock_t		fib6_walker_lock;
 	spinlock_t		fib6_gc_lock;
-	atomic_t		ip6_rt_gc_expire;
+	unsigned int		ip6_rt_gc_expire;
 	unsigned long		ip6_rt_last_gc;
 	unsigned char		flowlabel_has_excl;
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
@@ -116,6 +117,8 @@
 		spinlock_t	lock;
 		u32		seq;
 	} ip6addrlbl_table;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h
index 2e57312..6ec6887 100644
--- a/include/net/netns/netfilter.h
+++ b/include/net/netns/netfilter.h
@@ -3,6 +3,7 @@
 #define __NETNS_NETFILTER_H
 
 #include <linux/netfilter_defs.h>
+#include <linux/android_kabi.h>
 
 struct proc_dir_entry;
 struct nf_logger;
@@ -31,5 +32,7 @@
 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
 	bool			defrag_ipv6;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 #endif
diff --git a/include/net/netns/nftables.h b/include/net/netns/nftables.h
index 8c77832..7ccd27f 100644
--- a/include/net/netns/nftables.h
+++ b/include/net/netns/nftables.h
@@ -3,9 +3,12 @@
 #define _NETNS_NFTABLES_H_
 
 #include <linux/list.h>
+#include <linux/android_kabi.h>
 
 struct netns_nftables {
 	u8			gencursor;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #endif
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 7b87da2..1db949f 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -7,6 +7,7 @@
 #include <linux/workqueue.h>
 #include <linux/rhashtable-types.h>
 #include <linux/xfrm.h>
+#include <linux/android_kabi.h>
 #include <net/dst_ops.h>
 
 struct ctl_table_header;
@@ -49,7 +50,6 @@
 	struct list_head	policy_all;
 	struct hlist_head	*policy_byidx;
 	unsigned int		policy_idx_hmask;
-	unsigned int		idx_generator;
 	struct hlist_head	policy_inexact[XFRM_POLICY_MAX];
 	struct xfrm_policy_hash	policy_bydst[XFRM_POLICY_MAX];
 	unsigned int		policy_count[XFRM_POLICY_MAX * 2];
@@ -65,9 +65,6 @@
 	u32			sysctl_aevent_rseqth;
 	int			sysctl_larval_drop;
 	u32			sysctl_acq_expires;
-
-	u8			policy_default[XFRM_POLICY_MAX];
-
 #ifdef CONFIG_SYSCTL
 	struct ctl_table_header	*sysctl_hdr;
 #endif
@@ -82,6 +79,8 @@
 
 	spinlock_t xfrm_policy_lock;
 	struct mutex xfrm_cfg_mutex;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #endif
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index b139e7b..6c46995 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -33,6 +33,7 @@
 #include <linux/mm.h> /* Needed by ptr_ring */
 #include <linux/ptr_ring.h>
 #include <linux/dma-direction.h>
+#include <linux/android_kabi.h>
 
 #define PP_FLAG_DMA_MAP		BIT(0) /* Should page_pool do the DMA
 					* map/unmap
@@ -126,6 +127,8 @@
 	refcount_t user_cnt;
 
 	u64 destroy_cnt;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct page *page_pool_alloc_pages(struct page_pool *pool, gfp_t gfp);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index a62677b..d1ea0ed 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -16,6 +16,7 @@
 #include <linux/rwsem.h>
 #include <linux/atomic.h>
 #include <linux/hashtable.h>
+#include <linux/android_kabi.h>
 #include <net/gen_stats.h>
 #include <net/rtnetlink.h>
 #include <net/flow_offload.h>
@@ -114,6 +115,8 @@
 	bool			empty;
 	struct rcu_head		rcu;
 
+	ANDROID_KABI_RESERVE(1);
+
 	/* private data */
 	long privdata[] ____cacheline_aligned;
 };
@@ -257,6 +260,8 @@
 					struct sk_buff *skb, struct tcmsg*);
 	int			(*dump_stats)(struct Qdisc *, unsigned long,
 					struct gnet_dump *);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* Qdisc_class_ops flag values */
@@ -302,6 +307,8 @@
 	u32			(*egress_block_get)(struct Qdisc *sch);
 
 	struct module		*owner;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 
diff --git a/include/net/sock.h b/include/net/sock.h
index 87ee284..a98ed62 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -68,6 +68,8 @@
 #include <net/tcp_states.h>
 #include <linux/net_tstamp.h>
 #include <net/l3mdev.h>
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
 
 /*
  * This structure really needs to be cleaned up.
@@ -326,7 +328,6 @@
   *	@sk_cgrp_data: cgroup data for this cgroup
   *	@sk_memcg: this socket's memory cgroup association
   *	@sk_write_pending: a write to stream socket waits to start
-  *	@sk_wait_pending: number of threads blocked on this socket
   *	@sk_state_change: callback to indicate change in the state of the sock
   *	@sk_data_ready: callback to indicate there is data to be processed
   *	@sk_write_space: callback to indicate there is bf sending space available
@@ -411,7 +412,6 @@
 	unsigned int		sk_napi_id;
 #endif
 	int			sk_rcvbuf;
-	int			sk_wait_pending;
 
 	struct sk_filter __rcu	*sk_filter;
 	union {
@@ -521,6 +521,17 @@
 	struct bpf_local_storage __rcu	*sk_bpf_storage;
 #endif
 	struct rcu_head		sk_rcu;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+	ANDROID_KABI_RESERVE(5);
+	ANDROID_KABI_RESERVE(6);
+	ANDROID_KABI_RESERVE(7);
+	ANDROID_KABI_RESERVE(8);
+
+	ANDROID_OEM_DATA(1);
 };
 
 enum sk_pacing {
@@ -1105,7 +1116,6 @@
 
 #define sk_wait_event(__sk, __timeo, __condition, __wait)		\
 	({	int __rc;						\
-		__sk->sk_wait_pending++;				\
 		release_sock(__sk);					\
 		__rc = __condition;					\
 		if (!__rc) {						\
@@ -1115,7 +1125,6 @@
 		}							\
 		sched_annotate_sleep();					\
 		lock_sock(__sk);					\
-		__sk->sk_wait_pending--;				\
 		__rc = __condition;					\
 		__rc;							\
 	})
@@ -1207,8 +1216,6 @@
 
 	int			(*backlog_rcv) (struct sock *sk,
 						struct sk_buff *skb);
-	bool			(*bpf_bypass_getsockopt)(int level,
-							 int optname);
 
 	void		(*release_cb)(struct sock *sk);
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 5c03dc6..899c9f6 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -393,7 +393,6 @@
 		      struct poll_table_struct *wait);
 int tcp_getsockopt(struct sock *sk, int level, int optname,
 		   char __user *optval, int __user *optlen);
-bool tcp_bpf_bypass_getsockopt(int level, int optname);
 int tcp_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
 		   unsigned int optlen);
 void tcp_set_keepalive(struct sock *sk, int val);
@@ -1049,7 +1048,6 @@
 	int  losses;		/* number of packets marked lost upon ACK */
 	u32  acked_sacked;	/* number of packets newly (S)ACKed upon ACK */
 	u32  prior_in_flight;	/* in flight before this ACK */
-	u32  last_end_seq;	/* end_seq of most recently ACKed packet */
 	bool is_app_limited;	/* is sample from packet with bubble in pipe? */
 	bool is_retrans;	/* is sample from retransmission? */
 	bool is_ack_delayed;	/* is this (likely) a delayed ACK? */
@@ -1160,11 +1158,6 @@
 		  bool is_sack_reneg, struct rate_sample *rs);
 void tcp_rate_check_app_limited(struct sock *sk);
 
-static inline bool tcp_skb_sent_after(u64 t1, u64 t2, u32 seq1, u32 seq2)
-{
-	return t1 > t2 || (t1 == t2 && after(seq1, seq2));
-}
-
 /* These functions determine how the current flow behaves in respect of SACK
  * handling. SACK is negotiated with the peer, and therefore it can vary
  * between different flows.
diff --git a/include/net/tls.h b/include/net/tls.h
index d9cb597..419a67c 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -43,6 +43,7 @@
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/rcupdate.h>
+#include <linux/android_kabi.h>
 
 #include <net/net_namespace.h>
 #include <net/tcp.h>
@@ -115,6 +116,9 @@
 	char aad_space[TLS_AAD_SPACE_SIZE];
 	u8 iv_data[MAX_IV_SIZE];
 	struct aead_request aead_req;
+
+	ANDROID_KABI_RESERVE(1);
+
 	u8 aead_req_ctx[];
 };
 
@@ -143,6 +147,8 @@
 #define BIT_TX_SCHEDULED	0
 #define BIT_TX_CLOSING		1
 	unsigned long tx_bitmask;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct tls_sw_context_rx {
@@ -160,6 +166,8 @@
 	/* protect crypto_wait with decrypt_pending*/
 	spinlock_t decrypt_compl_lock;
 	bool async_notify;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct tls_record_info {
@@ -297,6 +305,12 @@
 	int (*tls_dev_resync)(struct net_device *netdev,
 			      struct sock *sk, u32 seq, u8 *rcd_sn,
 			      enum tls_offload_ctx_dir direction);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
 };
 
 enum tls_offload_sync_type {
diff --git a/include/net/virt_wifi.h b/include/net/virt_wifi.h
new file mode 100644
index 0000000..343e739
--- /dev/null
+++ b/include/net/virt_wifi.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* include/net/virt_wifi.h
+ *
+ * Define the extension interface for the network data simulation
+ *
+ * Copyright (C) 2019 Google, Inc.
+ *
+ * Author: lesl@google.com
+ */
+#ifndef __VIRT_WIFI_H
+#define __VIRT_WIFI_H
+
+struct virt_wifi_network_simulation {
+	void (*notify_device_open)(struct net_device *dev);
+	void (*notify_device_stop)(struct net_device *dev);
+	void (*notify_scan_trigger)(struct wiphy *wiphy,
+				    struct cfg80211_scan_request *request);
+	int (*generate_virt_scan_result)(struct wiphy *wiphy);
+};
+
+int virt_wifi_register_network_simulation(
+	    struct virt_wifi_network_simulation *ops);
+int virt_wifi_unregister_network_simulation(void);
+#endif
+
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 7865db2..db752708 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1092,27 +1092,6 @@
 int __xfrm_policy_check(struct sock *, int dir, struct sk_buff *skb,
 			unsigned short family);
 
-static inline bool __xfrm_check_nopolicy(struct net *net, struct sk_buff *skb,
-					 int dir)
-{
-	if (!net->xfrm.policy_count[dir] && !secpath_exists(skb))
-		return net->xfrm.policy_default[dir] == XFRM_USERPOLICY_ACCEPT;
-
-	return false;
-}
-
-static inline bool __xfrm_check_dev_nopolicy(struct sk_buff *skb,
-					     int dir, unsigned short family)
-{
-	if (dir != XFRM_POLICY_OUT && family == AF_INET) {
-		/* same dst may be used for traffic originating from
-		 * devices with different policy settings.
-		 */
-		return IPCB(skb)->flags & IPSKB_NOPOLICY;
-	}
-	return skb_dst(skb) && (skb_dst(skb)->flags & DST_NOPOLICY);
-}
-
 static inline int __xfrm_policy_check2(struct sock *sk, int dir,
 				       struct sk_buff *skb,
 				       unsigned int family, int reverse)
@@ -1123,9 +1102,9 @@
 	if (sk && sk->sk_policy[XFRM_POLICY_IN])
 		return __xfrm_policy_check(sk, ndir, skb, family);
 
-	return __xfrm_check_nopolicy(net, skb, dir) ||
-	       __xfrm_check_dev_nopolicy(skb, dir, family) ||
-	       __xfrm_policy_check(sk, ndir, skb, family);
+	return	(!net->xfrm.policy_count[dir] && !secpath_exists(skb)) ||
+		(skb_dst(skb) && (skb_dst(skb)->flags & DST_NOPOLICY)) ||
+		__xfrm_policy_check(sk, ndir, skb, family);
 }
 
 static inline int xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb, unsigned short family)
@@ -1177,12 +1156,9 @@
 {
 	struct net *net = dev_net(skb->dev);
 
-	if (!net->xfrm.policy_count[XFRM_POLICY_OUT] &&
-	    net->xfrm.policy_default[XFRM_POLICY_OUT] == XFRM_USERPOLICY_ACCEPT)
-		return true;
-
-	return (skb_dst(skb)->flags & DST_NOXFRM) ||
-	       __xfrm_route_forward(skb, family);
+	return	!net->xfrm.policy_count[XFRM_POLICY_OUT] ||
+		(skb_dst(skb)->flags & DST_NOXFRM) ||
+		__xfrm_route_forward(skb, family);
 }
 
 static inline int xfrm4_route_forward(struct sk_buff *skb)
@@ -1199,8 +1175,6 @@
 
 static inline int xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk)
 {
-	if (!sk_fullsock(osk))
-		return 0;
 	sk->sk_policy[0] = NULL;
 	sk->sk_policy[1] = NULL;
 	if (unlikely(osk->sk_policy[0] || osk->sk_policy[1]))
@@ -1589,12 +1563,10 @@
 int xfrm_trans_queue(struct sk_buff *skb,
 		     int (*finish)(struct net *, struct sock *,
 				   struct sk_buff *));
-int xfrm_output_resume(struct sock *sk, struct sk_buff *skb, int err);
+int xfrm_output_resume(struct sk_buff *skb, int err);
 int xfrm_output(struct sock *sk, struct sk_buff *skb);
 
-#if IS_ENABLED(CONFIG_NET_PKTGEN)
 int pktgen_xfrm_outer_mode_output(struct xfrm_state *x, struct sk_buff *skb);
-#endif
 
 void xfrm_local_error(struct sk_buff *skb, int mtu);
 int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 5339baa..ef33451 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -88,6 +88,21 @@
 	return (lun & 0xff00) == SCSI_W_LUN_BASE;
 }
 
+/**
+ * scsi_status_is_check_condition - check the status return.
+ *
+ * @status: the status passed up from the driver (including host and
+ *          driver components)
+ *
+ * This returns true if the status code is SAM_STAT_CHECK_CONDITION.
+ */
+static inline int scsi_status_is_check_condition(int status)
+{
+	if (status < 0)
+		return false;
+	status &= 0xfe;
+	return status == SAM_STAT_CHECK_CONDITION;
+}
 
 /*
  *  MESSAGE CODES
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index b1c9b52..352c847 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -11,6 +11,7 @@
 #include <linux/scatterlist.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_request.h>
+#include <linux/android_kabi.h>
 
 struct Scsi_Host;
 struct scsi_driver;
@@ -58,8 +59,9 @@
 #define SCMD_UNCHECKED_ISA_DMA	(1 << 1)
 #define SCMD_INITIALIZED	(1 << 2)
 #define SCMD_LAST		(1 << 3)
+#define SCMD_FAIL_IF_RECOVERING	(1 << 4)
 /* flags preserved across unprep / reprep */
-#define SCMD_PRESERVED_FLAGS	(SCMD_UNCHECKED_ISA_DMA | SCMD_INITIALIZED)
+#define SCMD_PRESERVED_FLAGS	(SCMD_UNCHECKED_ISA_DMA | SCMD_INITIALIZED | SCMD_FAIL_IF_RECOVERING)
 
 /* for scmd->state */
 #define SCMD_STATE_COMPLETE	0
@@ -142,6 +144,11 @@
 
 	unsigned char tag;	/* SCSI-II queued command tag */
 	unsigned int extra_len;	/* length of alignment and padding */
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */
@@ -165,6 +172,12 @@
 	return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
 }
 
+/* A helper function to make it easier to backport upstream SCSI patches. */
+static inline void scsi_done(struct scsi_cmnd *cmd)
+{
+	cmd->scsi_done(cmd);
+}
+
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
 
 extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 1a5c9a3..b981611 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -8,6 +8,7 @@
 #include <linux/blkdev.h>
 #include <scsi/scsi.h>
 #include <linux/atomic.h>
+#include <linux/android_kabi.h>
 
 struct device;
 struct request_queue;
@@ -204,6 +205,8 @@
 	unsigned unmap_limit_for_ws:1;	/* Use the UNMAP limit for WRITE SAME */
 	unsigned rpm_autosuspend:1;	/* Enable runtime autosuspend at device
 					 * creation time */
+	unsigned ignore_media_change:1; /* Ignore MEDIA CHANGE on resume */
+	unsigned silence_suspend:1;	/* Do not print runtime PM related messages */
 
 	bool offline_already;		/* Device offline message logged */
 
@@ -237,6 +240,12 @@
 	struct mutex		state_mutex;
 	enum scsi_device_state sdev_state;
 	struct task_struct	*quiesced_by;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
+
 	unsigned long		sdev_data[];
 } __attribute__((aligned(sizeof(unsigned long))));
 
diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h
index 3fdb322..5d14ada 100644
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -28,7 +28,8 @@
 #define BLIST_LARGELUN		((__force blist_flags_t)(1ULL << 9))
 /* override additional length field */
 #define BLIST_INQUIRY_36	((__force blist_flags_t)(1ULL << 10))
-#define __BLIST_UNUSED_11	((__force blist_flags_t)(1ULL << 11))
+/* ignore MEDIA CHANGE unit attention after resuming from runtime suspend */
+#define BLIST_IGN_MEDIA_CHANGE	((__force blist_flags_t)(1ULL << 11))
 /* do not do automatic start on add */
 #define BLIST_NOSTARTONADD	((__force blist_flags_t)(1ULL << 12))
 #define __BLIST_UNUSED_13	((__force blist_flags_t)(1ULL << 13))
@@ -73,8 +74,7 @@
 #define __BLIST_HIGH_UNUSED (~(__BLIST_LAST_USED | \
 			       (__force blist_flags_t) \
 			       ((__force __u64)__BLIST_LAST_USED - 1ULL)))
-#define __BLIST_UNUSED_MASK (__BLIST_UNUSED_11 | \
-			     __BLIST_UNUSED_13 | \
+#define __BLIST_UNUSED_MASK (__BLIST_UNUSED_13 | \
 			     __BLIST_UNUSED_14 | \
 			     __BLIST_UNUSED_15 | \
 			     __BLIST_UNUSED_16 | \
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 4a9f1e6..c562f97 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -10,6 +10,7 @@
 #include <linux/seq_file.h>
 #include <linux/blk-mq.h>
 #include <scsi/scsi.h>
+#include <linux/android_kabi.h>
 
 struct block_device;
 struct completion;
@@ -29,6 +30,18 @@
 #define MODE_INITIATOR 0x01
 #define MODE_TARGET 0x02
 
+/**
+ * enum scsi_timeout_action - How to handle a command that timed out.
+ * @SCSI_EH_DONE: The command has already been completed.
+ * @SCSI_EH_RESET_TIMER: Reset the timer and continue waiting for completion.
+ * @SCSI_EH_NOT_HANDLED: The command has not yet finished. Abort the command.
+ */
+enum scsi_timeout_action {
+	SCSI_EH_DONE,
+	SCSI_EH_RESET_TIMER,
+	SCSI_EH_NOT_HANDLED,
+};
+
 struct scsi_host_template {
 	struct module *module;
 	const char *name;
@@ -271,6 +284,16 @@
 	int (* map_queues)(struct Scsi_Host *shost);
 
 	/*
+	 * SCSI interface of blk_poll - poll for IO completions.
+	 * Only applicable if SCSI LLD exposes multiple h/w queues.
+	 *
+	 * Return value: Number of completed entries found.
+	 *
+	 * Status: OPTIONAL
+	 */
+	int (* mq_poll)(struct Scsi_Host *shost, unsigned int queue_num);
+
+	/*
 	 * Check if scatterlists need to be padded for DMA draining.
 	 *
 	 * Status: OPTIONAL
@@ -342,11 +365,18 @@
 	/*
 	 * This determines if we will use a non-interrupt driven
 	 * or an interrupt driven scheme.  It is set to the maximum number
-	 * of simultaneous commands a single hw queue in HBA will accept.
+	 * of simultaneous commands a single hw queue in HBA will accept. Does
+	 * not include @reserved_tags.
 	 */
 	int can_queue;
 
 	/*
+	 * Number of tags to reserve. A reserved tag can be allocated by passing
+	 * the BLK_MQ_REQ_RESERVED flag to blk_mq_alloc_request().
+	 */
+	unsigned reserved_tags;
+
+	/*
 	 * In many instances, especially where disconnect / reconnect are
 	 * supported, our host also has an ID on the SCSI bus.  If this is
 	 * the case, then it must be reserved.  Please set this_id to -1 if
@@ -486,6 +516,11 @@
 
 	/* Delay for runtime autosuspend */
 	int rpm_autosuspend_delay;
+
+	ANDROID_KABI_USE(1, enum scsi_timeout_action (*eh_timed_out2)(struct scsi_cmnd *));
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 /*
@@ -610,6 +645,7 @@
 	 * the total queue depth is can_queue.
 	 */
 	unsigned nr_hw_queues;
+	unsigned nr_maps;
 	unsigned active_mode:2;
 	unsigned unchecked_isa_dma:1;
 
@@ -692,6 +728,8 @@
 	 */
 	struct device *dma_dev;
 
+	ANDROID_KABI_RESERVE(1);
+
 	/*
 	 * We should ensure that this is aligned, both for better performance
 	 * and also because some compilers (m68k) don't automatically force
@@ -745,7 +783,7 @@
 extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *);
 extern int scsi_host_busy(struct Scsi_Host *shost);
 extern void scsi_host_put(struct Scsi_Host *t);
-extern struct Scsi_Host *scsi_host_lookup(unsigned int hostnum);
+extern struct Scsi_Host *scsi_host_lookup(unsigned short);
 extern const char *scsi_host_state_name(enum scsi_host_state);
 extern void scsi_host_complete_all_commands(struct Scsi_Host *shost,
 					    int status);
diff --git a/include/soc/mediatek/smi.h b/include/soc/mediatek/smi.h
index 5a34b87d..15e3397 100644
--- a/include/soc/mediatek/smi.h
+++ b/include/soc/mediatek/smi.h
@@ -9,15 +9,14 @@
 #include <linux/bitops.h>
 #include <linux/device.h>
 
-#ifdef CONFIG_MTK_SMI
-
-#define MTK_LARB_NR_MAX		16
+#if IS_ENABLED(CONFIG_MTK_SMI)
 
 #define MTK_SMI_MMU_EN(port)	BIT(port)
 
 struct mtk_smi_larb_iommu {
 	struct device *dev;
 	unsigned int   mmu;
+	unsigned char  bank[32];
 };
 
 /*
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index 70cbc50..82417ce7 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -12,6 +12,7 @@
 
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <linux/android_kabi.h>
 #include <sound/core.h>
 #include <sound/compress_offload.h>
 #include <sound/asound.h>
@@ -54,6 +55,8 @@
 	dma_addr_t dma_addr;
 	size_t dma_bytes;
 	struct snd_dma_buffer *dma_buffer_p;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -82,6 +85,8 @@
 	bool partial_drain;
 	void *private_data;
 	struct snd_dma_buffer dma_buffer;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -130,6 +135,8 @@
 			struct snd_compr_caps *caps);
 	int (*get_codec_caps) (struct snd_compr_stream *stream,
 			struct snd_compr_codec_caps *codec);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /**
@@ -158,6 +165,7 @@
 	struct snd_info_entry *proc_root;
 	struct snd_info_entry *proc_info_entry;
 #endif
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* compress device register APIs */
diff --git a/include/sound/control.h b/include/sound/control.h
index 41bd72ff..77d9fa1 100644
--- a/include/sound/control.h
+++ b/include/sound/control.h
@@ -103,7 +103,7 @@
 	int preferred_subdevice[SND_CTL_SUBDEV_ITEMS];
 	wait_queue_head_t change_sleep;
 	spinlock_t read_lock;
-	struct snd_fasync *fasync;
+	struct fasync_struct *fasync;
 	int subscribed;			/* read interface is activated */
 	struct list_head events;	/* waiting events for read */
 };
diff --git a/include/sound/core.h b/include/sound/core.h
index 85610ed..578d1c6 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -14,6 +14,7 @@
 #include <linux/pm.h>			/* pm_message_t */
 #include <linux/stringify.h>
 #include <linux/printk.h>
+#include <linux/android_kabi.h>
 
 /* number of supported soundcards */
 #ifdef CONFIG_SND_DYNAMIC_MINORS
@@ -61,6 +62,8 @@
 	int (*dev_free)(struct snd_device *dev);
 	int (*dev_register)(struct snd_device *dev);
 	int (*dev_disconnect)(struct snd_device *dev);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct snd_device {
@@ -70,6 +73,8 @@
 	enum snd_device_type type;	/* device type */
 	void *device_data;		/* device structure */
 	const struct snd_device_ops *ops;	/* operations */
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #define snd_device(n) list_entry(n, struct snd_device, list)
@@ -132,6 +137,9 @@
 	struct snd_mixer_oss *mixer_oss;
 	int mixer_oss_change_count;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 #define dev_to_snd_card(p)	container_of(p, struct snd_card, card_dev)
@@ -167,6 +175,8 @@
 	void *private_data;		/* private data for f_ops->open */
 	struct device *dev;		/* device for sysfs */
 	struct snd_card *card_ptr;	/* assigned card instance */
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /* return a device pointer linked to each sound device as a parent */
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index 8c5e381..96666ef 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -66,6 +66,9 @@
  * @chan_name: Custom channel name to use when requesting DMA channel.
  * @fifo_size: FIFO size of the DAI controller in bytes
  * @flags: PCM_DAI flags, only SND_DMAENGINE_PCM_DAI_FLAG_PACK for now
+ * @peripheral_config: peripheral configuration for programming peripheral
+ * for dmaengine transfer
+ * @peripheral_size: peripheral configuration buffer size
  */
 struct snd_dmaengine_dai_dma_data {
 	dma_addr_t addr;
@@ -76,6 +79,8 @@
 	const char *chan_name;
 	unsigned int fifo_size;
 	unsigned int flags;
+	void *peripheral_config;
+	size_t peripheral_size;
 };
 
 void snd_dmaengine_pcm_set_config_from_dai_data(
diff --git a/include/sound/hdmi-codec.h b/include/sound/hdmi-codec.h
index b559708..4fc733c 100644
--- a/include/sound/hdmi-codec.h
+++ b/include/sound/hdmi-codec.h
@@ -34,6 +34,11 @@
 	unsigned int frame_clk_inv:1;
 	unsigned int bit_clk_master:1;
 	unsigned int frame_clk_master:1;
+	/* bit_fmt could be standard PCM format or
+	 * IEC958 encoded format. ALSA IEC958 plugin will pass
+	 * IEC958_SUBFRAME format to the underneath driver.
+	 */
+	snd_pcm_format_t bit_fmt;
 };
 
 /*
@@ -60,13 +65,23 @@
 
 	/*
 	 * Configures HDMI-encoder for audio stream.
-	 * Mandatory
+	 * Having either prepare or hw_params is mandatory.
 	 */
 	int (*hw_params)(struct device *dev, void *data,
 			 struct hdmi_codec_daifmt *fmt,
 			 struct hdmi_codec_params *hparms);
 
 	/*
+	 * Configures HDMI-encoder for audio stream. Can be called
+	 * multiple times for each setup.
+	 *
+	 * Having either prepare or hw_params is mandatory.
+	 */
+	int (*prepare)(struct device *dev, void *data,
+		       struct hdmi_codec_daifmt *fmt,
+		       struct hdmi_codec_params *hparms);
+
+	/*
 	 * Shuts down the audio stream.
 	 * Mandatory
 	 */
diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h
index 8d6cdb2..d99a530 100644
--- a/include/sound/hwdep.h
+++ b/include/sound/hwdep.h
@@ -9,6 +9,7 @@
 
 #include <sound/asound.h>
 #include <linux/poll.h>
+#include <linux/android_kabi.h>
 
 struct snd_hwdep;
 
@@ -34,6 +35,8 @@
 			  struct snd_hwdep_dsp_status *status);
 	int (*dsp_load)(struct snd_hwdep *hw,
 			struct snd_hwdep_dsp_image *image);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct snd_hwdep {
@@ -59,6 +62,8 @@
 	int used;			/* reference counter */
 	unsigned int dsp_loaded;	/* bit fields of loaded dsp indices */
 	unsigned int exclusive:1;	/* exclusive access mode */
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 extern int snd_hwdep_new(struct snd_card *card, char *id, int device,
diff --git a/include/sound/info.h b/include/sound/info.h
index 7c13bf5..25af5d8 100644
--- a/include/sound/info.h
+++ b/include/sound/info.h
@@ -9,6 +9,7 @@
 
 #include <linux/poll.h>
 #include <linux/seq_file.h>
+#include <linux/android_kabi.h>
 #include <sound/core.h>
 
 /* buffer for information */
@@ -55,6 +56,8 @@
 	int (*mmap)(struct snd_info_entry *entry, void *file_private_data,
 		    struct inode *inode, struct file *file,
 		    struct vm_area_struct *vma);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct snd_info_entry {
@@ -74,6 +77,8 @@
 	struct mutex access;
 	struct list_head children;
 	struct list_head list;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_SND_PROC_FS)
diff --git a/include/sound/jack.h b/include/sound/jack.h
index 78f3619..70400b2 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -9,6 +9,7 @@
  */
 
 #include <sound/core.h>
+#include <linux/android_kabi.h>
 
 struct input_dev;
 
@@ -62,7 +63,6 @@
 	const char *id;
 #ifdef CONFIG_SND_JACK_INPUT_DEV
 	struct input_dev *input_dev;
-	struct mutex input_dev_lock;
 	int registered;
 	int type;
 	char name[100];
@@ -70,6 +70,8 @@
 #endif /* CONFIG_SND_JACK_INPUT_DEV */
 	void *private_data;
 	void (*private_free)(struct snd_jack *);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 #ifdef CONFIG_SND_JACK
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 6554a9f..8918dce 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -398,8 +398,6 @@
 	wait_queue_head_t tsleep;	/* transfer sleep */
 	struct fasync_struct *fasync;
 	bool stop_operating;		/* sync_stop will be called */
-	struct mutex buffer_mutex;	/* protect for buffer changes */
-	atomic_t buffer_accessing;	/* >0: in r/w operation, <0: blocked */
 
 	/* -- private section -- */
 	void *private_data;
@@ -430,6 +428,10 @@
 	/* -- OSS things -- */
 	struct snd_pcm_oss_runtime oss;
 #endif
+#ifndef __GENKSYMS__
+	struct mutex buffer_mutex;	/* protect for buffer changes */
+	atomic_t buffer_accessing;	/* >0: in r/w operation, <0: blocked */
+#endif
 };
 
 struct snd_pcm_group {		/* keep linked substreams */
diff --git a/include/sound/pcm_iec958.h b/include/sound/pcm_iec958.h
index 0939aa4..64e8444 100644
--- a/include/sound/pcm_iec958.h
+++ b/include/sound/pcm_iec958.h
@@ -4,6 +4,14 @@
 
 #include <linux/types.h>
 
+int snd_pcm_create_iec958_consumer_default(u8 *cs, size_t len);
+
+int snd_pcm_fill_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
+				 size_t len);
+
+int snd_pcm_fill_iec958_consumer_hw_params(struct snd_pcm_hw_params *params,
+					   u8 *cs, size_t len);
+
 int snd_pcm_create_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
 	size_t len);
 
diff --git a/include/sound/soc-card.h b/include/sound/soc-card.h
index 9a54292..4f2cc4f 100644
--- a/include/sound/soc-card.h
+++ b/include/sound/soc-card.h
@@ -40,43 +40,6 @@
 void snd_soc_card_remove_dai_link(struct snd_soc_card *card,
 				  struct snd_soc_dai_link *dai_link);
 
-#ifdef CONFIG_PCI
-static inline void snd_soc_card_set_pci_ssid(struct snd_soc_card *card,
-					     unsigned short vendor,
-					     unsigned short device)
-{
-	card->pci_subsystem_vendor = vendor;
-	card->pci_subsystem_device = device;
-	card->pci_subsystem_set = true;
-}
-
-static inline int snd_soc_card_get_pci_ssid(struct snd_soc_card *card,
-					    unsigned short *vendor,
-					    unsigned short *device)
-{
-	if (!card->pci_subsystem_set)
-		return -ENOENT;
-
-	*vendor = card->pci_subsystem_vendor;
-	*device = card->pci_subsystem_device;
-
-	return 0;
-}
-#else /* !CONFIG_PCI */
-static inline void snd_soc_card_set_pci_ssid(struct snd_soc_card *card,
-					     unsigned short vendor,
-					     unsigned short device)
-{
-}
-
-static inline int snd_soc_card_get_pci_ssid(struct snd_soc_card *card,
-					    unsigned short *vendor,
-					    unsigned short *device)
-{
-	return -ENOENT;
-}
-#endif /* CONFIG_PCI */
-
 /* device driver data */
 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
 					    void *data)
diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index 2c790ce..5fbbcdf 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -146,6 +146,8 @@
 	int (*mmap)(struct snd_soc_component *component,
 		    struct snd_pcm_substream *substream,
 		    struct vm_area_struct *vma);
+	int (*ack)(struct snd_soc_component *component,
+		   struct snd_pcm_substream *substream);
 
 	const struct snd_compress_ops *compress_ops;
 
@@ -469,5 +471,6 @@
 					 void *stream);
 void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
 					  void *stream, int rollback);
+int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream);
 
 #endif /* __SOC_COMPONENT_H */
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index fe86172..2150bd4 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -239,9 +239,9 @@
 			unsigned int *rx_num, unsigned int *rx_slot);
 	int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
 
-	int (*set_stream)(struct snd_soc_dai *dai,
-			  void *stream, int direction);
-	void *(*get_stream)(struct snd_soc_dai *dai, int direction);
+	int (*set_sdw_stream)(struct snd_soc_dai *dai,
+			void *stream, int direction);
+	void *(*get_sdw_stream)(struct snd_soc_dai *dai, int direction);
 
 	/*
 	 * DAI digital mute - optional.
@@ -446,42 +446,42 @@
 }
 
 /**
- * snd_soc_dai_set_stream() - Configures a DAI for stream operation
+ * snd_soc_dai_set_sdw_stream() - Configures a DAI for SDW stream operation
  * @dai: DAI
- * @stream: STREAM (opaque structure depending on DAI type)
+ * @stream: STREAM
  * @direction: Stream direction(Playback/Capture)
- * Some subsystems, such as SoundWire, don't have a notion of direction and we reuse
+ * SoundWire subsystem doesn't have a notion of direction and we reuse
  * the ASoC stream direction to configure sink/source ports.
  * Playback maps to source ports and Capture for sink ports.
  *
  * This should be invoked with NULL to clear the stream set previously.
  * Returns 0 on success, a negative error code otherwise.
  */
-static inline int snd_soc_dai_set_stream(struct snd_soc_dai *dai,
-					 void *stream, int direction)
+static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
+				void *stream, int direction)
 {
-	if (dai->driver->ops->set_stream)
-		return dai->driver->ops->set_stream(dai, stream, direction);
+	if (dai->driver->ops->set_sdw_stream)
+		return dai->driver->ops->set_sdw_stream(dai, stream, direction);
 	else
 		return -ENOTSUPP;
 }
 
 /**
- * snd_soc_dai_get_stream() - Retrieves stream from DAI
+ * snd_soc_dai_get_sdw_stream() - Retrieves SDW stream from DAI
  * @dai: DAI
  * @direction: Stream direction(Playback/Capture)
  *
  * This routine only retrieves that was previously configured
- * with snd_soc_dai_get_stream()
+ * with snd_soc_dai_get_sdw_stream()
  *
  * Returns pointer to stream or an ERR_PTR value, e.g.
  * ERR_PTR(-ENOTSUPP) if callback is not supported;
  */
-static inline void *snd_soc_dai_get_stream(struct snd_soc_dai *dai,
-					   int direction)
+static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
+					       int direction)
 {
-	if (dai->driver->ops->get_stream)
-		return dai->driver->ops->get_stream(dai, direction);
+	if (dai->driver->ops->get_sdw_stream)
+		return dai->driver->ops->get_sdw_stream(dai, direction);
 	else
 		return ERR_PTR(-ENOTSUPP);
 }
diff --git a/include/sound/soc.h b/include/sound/soc.h
index e973044..0e342ad 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/regmap.h>
 #include <linux/log2.h>
+#include <linux/android_kabi.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/compress_driver.h>
@@ -239,6 +240,14 @@
 	.get = xhandler_get, .put = xhandler_put, \
 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 					    xmax, xinvert) }
+#define SOC_SINGLE_MULTI_EXT(xname, xreg, xshift, xmax, xinvert, xcount,\
+	xhandler_get, xhandler_put) \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+	.info = snd_soc_info_multi_ext, \
+	.get = xhandler_get, .put = xhandler_put, \
+	.private_value = (unsigned long)&(struct soc_multi_mixer_control) \
+		{.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
+		.count = xcount, .platform_max = xmax, .invert = xinvert} }
 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
 	 xhandler_get, xhandler_put, tlv_array) \
 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
@@ -615,6 +624,8 @@
 	struct snd_ctl_elem_value *ucontrol);
 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol);
+int snd_soc_info_multi_ext(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_info *uinfo);
 
 /**
  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
@@ -836,6 +847,8 @@
 #ifdef CONFIG_SND_SOC_TOPOLOGY
 	struct snd_soc_dobj dobj; /* For topology */
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 #define for_each_link_codecs(link, i, codec)				\
 	for ((i) = 0;							\
@@ -977,17 +990,6 @@
 #ifdef CONFIG_DMI
 	char dmi_longname[80];
 #endif /* CONFIG_DMI */
-
-#ifdef CONFIG_PCI
-	/*
-	 * PCI does not define 0 as invalid, so pci_subsystem_set indicates
-	 * whether a value has been written to these fields.
-	 */
-	unsigned short pci_subsystem_vendor;
-	unsigned short pci_subsystem_device;
-	bool pci_subsystem_set;
-#endif /* CONFIG_PCI */
-
 	char topology_shortname[32];
 
 	struct device *dev;
@@ -1095,8 +1097,14 @@
 	unsigned int fully_routed:1;
 	unsigned int disable_route_checks:1;
 	unsigned int probed:1;
+	unsigned int component_chaining:1;
 
 	void *drvdata;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 #define for_each_card_prelinks(card, i, link)				\
 	for ((i) = 0;							\
@@ -1178,6 +1186,9 @@
 	unsigned int fe_compr:1; /* for Dynamic PCM */
 
 	int num_components;
+
+	ANDROID_KABI_RESERVE(1);
+
 	struct snd_soc_component *components[]; /* CPU/Codec/Platform */
 };
 /* see soc_new_pcm_runtime()  */
@@ -1223,6 +1234,8 @@
 #ifdef CONFIG_SND_SOC_TOPOLOGY
 	struct snd_soc_dobj dobj;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct soc_bytes {
@@ -1249,6 +1262,11 @@
 	unsigned int regbase, regcount, nbits, invert;
 };
 
+struct soc_multi_mixer_control {
+	int min, max, platform_max, count;
+	unsigned int reg, rreg, shift, rshift, invert;
+};
+
 /* enumerated kcontrol */
 struct soc_enum {
 	int reg;
@@ -1262,6 +1280,8 @@
 #ifdef CONFIG_SND_SOC_TOPOLOGY
 	struct snd_soc_dobj dobj;
 #endif
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
diff --git a/include/sound/timer.h b/include/sound/timer.h
index 760e132..b7695e4 100644
--- a/include/sound/timer.h
+++ b/include/sound/timer.h
@@ -10,6 +10,7 @@
 
 #include <sound/asound.h>
 #include <linux/interrupt.h>
+#include <linux/android_kabi.h>
 
 #define snd_timer_chip(timer) ((timer)->private_data)
 
@@ -52,6 +53,8 @@
 	int (*stop) (struct snd_timer * timer);
 	int (*set_period) (struct snd_timer * timer, unsigned long period_num, unsigned long period_den);
 	int (*precise_resolution) (struct snd_timer * timer, unsigned long *num, unsigned long *den);
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct snd_timer {
@@ -77,6 +80,8 @@
 	struct work_struct task_work;
 	int max_instances;	/* upper limit of timer instances */
 	int num_instances;	/* current number of timer instances */
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct snd_timer_instance {
@@ -106,6 +111,8 @@
 	struct list_head slave_list_head;
 	struct list_head slave_active_head;
 	struct snd_timer_instance *master;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 /*
diff --git a/include/trace/events/android_fs.h b/include/trace/events/android_fs.h
new file mode 100644
index 0000000..7edb6bc
--- /dev/null
+++ b/include/trace/events/android_fs.h
@@ -0,0 +1,66 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM android_fs
+
+#if !defined(_TRACE_ANDROID_FS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ANDROID_FS_H
+
+#include <linux/fs.h>
+#include <linux/tracepoint.h>
+#include <trace/events/android_fs_template.h>
+
+DEFINE_EVENT(android_fs_data_start_template, android_fs_dataread_start,
+	TP_PROTO(struct inode *inode, loff_t offset, int bytes,
+		 pid_t pid, char *pathname, char *command),
+	TP_ARGS(inode, offset, bytes, pid, pathname, command));
+
+DEFINE_EVENT(android_fs_data_end_template, android_fs_dataread_end,
+	TP_PROTO(struct inode *inode, loff_t offset, int bytes),
+	TP_ARGS(inode, offset, bytes));
+
+DEFINE_EVENT(android_fs_data_start_template, android_fs_datawrite_start,
+	TP_PROTO(struct inode *inode, loff_t offset, int bytes,
+		 pid_t pid, char *pathname, char *command),
+	TP_ARGS(inode, offset, bytes, pid, pathname, command));
+
+DEFINE_EVENT(android_fs_data_end_template, android_fs_datawrite_end,
+	TP_PROTO(struct inode *inode, loff_t offset, int bytes),
+	     TP_ARGS(inode, offset, bytes));
+
+#endif /* _TRACE_ANDROID_FS_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
+#ifndef ANDROID_FSTRACE_GET_PATHNAME
+#define ANDROID_FSTRACE_GET_PATHNAME
+
+/* Sizes an on-stack array, so careful if sizing this up ! */
+#define MAX_TRACE_PATHBUF_LEN	256
+
+static inline char *
+android_fstrace_get_pathname(char *buf, int buflen, struct inode *inode)
+{
+	char *path;
+	struct dentry *d;
+
+	/*
+	 * d_obtain_alias() will either iput() if it locates an existing
+	 * dentry or transfer the reference to the new dentry created.
+	 * So get an extra reference here.
+	 */
+	ihold(inode);
+	d = d_obtain_alias(inode);
+	if (likely(!IS_ERR(d))) {
+		path = dentry_path_raw(d, buf, buflen);
+		if (unlikely(IS_ERR(path))) {
+			strcpy(buf, "ERROR");
+			path = buf;
+		}
+		dput(d);
+	} else {
+		strcpy(buf, "ERROR");
+		path = buf;
+	}
+	return path;
+}
+#endif
diff --git a/include/trace/events/android_fs_template.h b/include/trace/events/android_fs_template.h
new file mode 100644
index 0000000..efc4878
--- /dev/null
+++ b/include/trace/events/android_fs_template.h
@@ -0,0 +1,64 @@
+#if !defined(_TRACE_ANDROID_FS_TEMPLATE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ANDROID_FS_TEMPLATE_H
+
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(android_fs_data_start_template,
+	TP_PROTO(struct inode *inode, loff_t offset, int bytes,
+		 pid_t pid, char *pathname, char *command),
+	TP_ARGS(inode, offset, bytes, pid, pathname, command),
+	TP_STRUCT__entry(
+		__string(pathbuf, pathname)
+		__field(loff_t,	offset)
+		__field(int,	bytes)
+		__field(loff_t,	i_size)
+		__string(cmdline, command)
+		__field(pid_t,	pid)
+		__field(ino_t,	ino)
+	),
+	TP_fast_assign(
+		{
+			/*
+			 * Replace the spaces in filenames and cmdlines
+			 * because this screws up the tooling that parses
+			 * the traces.
+			 */
+			__assign_str(pathbuf, pathname);
+			(void)strreplace(__get_str(pathbuf), ' ', '_');
+			__entry->offset		= offset;
+			__entry->bytes		= bytes;
+			__entry->i_size		= i_size_read(inode);
+			__assign_str(cmdline, command);
+			(void)strreplace(__get_str(cmdline), ' ', '_');
+			__entry->pid		= pid;
+			__entry->ino		= inode->i_ino;
+		}
+	),
+	TP_printk("entry_name %s, offset %llu, bytes %d, cmdline %s,"
+		  " pid %d, i_size %llu, ino %lu",
+		  __get_str(pathbuf), __entry->offset, __entry->bytes,
+		  __get_str(cmdline), __entry->pid, __entry->i_size,
+		  (unsigned long) __entry->ino)
+);
+
+DECLARE_EVENT_CLASS(android_fs_data_end_template,
+	TP_PROTO(struct inode *inode, loff_t offset, int bytes),
+	TP_ARGS(inode, offset, bytes),
+	TP_STRUCT__entry(
+		__field(ino_t,	ino)
+		__field(loff_t,	offset)
+		__field(int,	bytes)
+	),
+	TP_fast_assign(
+		{
+			__entry->ino		= inode->i_ino;
+			__entry->offset		= offset;
+			__entry->bytes		= bytes;
+		}
+	),
+	TP_printk("ino %lu, offset %llu, bytes %d",
+		  (unsigned long) __entry->ino,
+		  __entry->offset, __entry->bytes)
+);
+
+#endif /* _TRACE_ANDROID_FS_TEMPLATE_H */
diff --git a/include/trace/events/cma.h b/include/trace/events/cma.h
index 5017a88..9c13432 100644
--- a/include/trace/events/cma.h
+++ b/include/trace/events/cma.h
@@ -8,14 +8,15 @@
 #include <linux/types.h>
 #include <linux/tracepoint.h>
 
-TRACE_EVENT(cma_alloc,
+DECLARE_EVENT_CLASS(cma_alloc_class,
 
-	TP_PROTO(unsigned long pfn, const struct page *page,
+	TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
 		 unsigned int count, unsigned int align),
 
-	TP_ARGS(pfn, page, count, align),
+	TP_ARGS(name, pfn, page, count, align),
 
 	TP_STRUCT__entry(
+		__string(name, name)
 		__field(unsigned long, pfn)
 		__field(const struct page *, page)
 		__field(unsigned int, count)
@@ -23,13 +24,15 @@
 	),
 
 	TP_fast_assign(
+		__assign_str(name, name);
 		__entry->pfn = pfn;
 		__entry->page = page;
 		__entry->count = count;
 		__entry->align = align;
 	),
 
-	TP_printk("pfn=%lx page=%p count=%u align=%u",
+	TP_printk("name=%s pfn=%lx page=%p count=%u align=%u",
+		  __get_str(name),
 		  __entry->pfn,
 		  __entry->page,
 		  __entry->count,
@@ -38,29 +41,117 @@
 
 TRACE_EVENT(cma_release,
 
-	TP_PROTO(unsigned long pfn, const struct page *page,
+	TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
 		 unsigned int count),
 
-	TP_ARGS(pfn, page, count),
+	TP_ARGS(name, pfn, page, count),
 
 	TP_STRUCT__entry(
+		__string(name, name)
 		__field(unsigned long, pfn)
 		__field(const struct page *, page)
 		__field(unsigned int, count)
 	),
 
 	TP_fast_assign(
+		__assign_str(name, name);
 		__entry->pfn = pfn;
 		__entry->page = page;
 		__entry->count = count;
 	),
 
-	TP_printk("pfn=%lx page=%p count=%u",
+	TP_printk("name=%s pfn=%lx page=%p count=%u",
+		  __get_str(name),
 		  __entry->pfn,
 		  __entry->page,
 		  __entry->count)
 );
 
+TRACE_EVENT(cma_alloc_start,
+
+	TP_PROTO(const char *name, unsigned int count, unsigned int align),
+
+	TP_ARGS(name, count, align),
+
+	TP_STRUCT__entry(
+		__string(name, name)
+		__field(unsigned int, count)
+		__field(unsigned int, align)
+	),
+
+	TP_fast_assign(
+		__assign_str(name, name);
+		__entry->count = count;
+		__entry->align = align;
+	),
+
+	TP_printk("name=%s count=%u align=%u",
+		  __get_str(name),
+		  __entry->count,
+		  __entry->align)
+);
+
+TRACE_EVENT(cma_alloc_info,
+
+	TP_PROTO(const char *name, const struct page *page, unsigned int count, unsigned int align, struct cma_alloc_info *info),
+
+	TP_ARGS(name, page, count, align, info),
+
+	TP_STRUCT__entry(
+		__string(name, name)
+		__field(unsigned long, pfn)
+		__field(unsigned int, count)
+		__field(unsigned int, align)
+		__field(unsigned long, nr_migrated)
+		__field(unsigned long, nr_reclaimed)
+		__field(unsigned long, nr_mapped)
+		__field(unsigned int, err_iso)
+		__field(unsigned int, err_mig)
+		__field(unsigned int, err_test)
+	),
+
+	TP_fast_assign(
+		__assign_str(name, name);
+		__entry->pfn = page ? page_to_pfn(page) : -1;
+		__entry->count = count;
+		__entry->align = align;
+		__entry->nr_migrated = info->nr_migrated;
+		__entry->nr_reclaimed = info->nr_reclaimed;
+		__entry->nr_mapped = info->nr_mapped;
+		__entry->err_iso = info->nr_isolate_fail;
+		__entry->err_mig = info->nr_migrate_fail;
+		__entry->err_test = info->nr_test_fail;
+	),
+
+	TP_printk("name=%s pfn=0x%lx count=%u align=%u nr_migrated=%lu nr_reclaimed=%lu nr_mapped=%lu err_iso=%u err_mig=%u err_test=%u",
+		  __get_str(name),
+		  __entry->pfn,
+		  __entry->count,
+		  __entry->align,
+		  __entry->nr_migrated,
+		  __entry->nr_reclaimed,
+		  __entry->nr_mapped,
+		  __entry->err_iso,
+		  __entry->err_mig,
+		  __entry->err_test)
+);
+
+DEFINE_EVENT(cma_alloc_class, cma_alloc_finish,
+
+	TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
+		 unsigned int count, unsigned int align),
+
+	TP_ARGS(name, pfn, page, count, align)
+);
+
+DEFINE_EVENT(cma_alloc_class, cma_alloc_busy_retry,
+
+	TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
+		 unsigned int count, unsigned int align),
+
+	TP_ARGS(name, pfn, page, count, align)
+);
+
 #endif /* _TRACE_CMA_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/cpuhp.h b/include/trace/events/cpuhp.h
index ad16f77..f302ab6 100644
--- a/include/trace/events/cpuhp.h
+++ b/include/trace/events/cpuhp.h
@@ -89,6 +89,28 @@
 		  __entry->cpu, __entry->state, __entry->idx,  __entry->ret)
 );
 
+TRACE_EVENT(cpuhp_pause,
+	TP_PROTO(struct cpumask *cpus, u64 start_time, unsigned char pause),
+
+	TP_ARGS(cpus, start_time, pause),
+
+	TP_STRUCT__entry(
+		__field( unsigned int,	cpus		)
+		__field( unsigned int,	active_cpus	)
+		__field( unsigned int,	time		)
+		__field( unsigned char,	pause		)
+	),
+
+	TP_fast_assign(
+		__entry->cpus	     = cpumask_bits(cpus)[0];
+		__entry->active_cpus = cpumask_bits(cpu_active_mask)[0];
+		__entry->time        = div64_u64(sched_clock() - start_time, 1000);
+		__entry->pause	     = pause;
+	),
+
+	TP_printk("req_cpus=0x%x act_cpus=0x%x time=%u us paused=%d",
+		  __entry->cpus, __entry->active_cpus, __entry->time, __entry->pause)
+);
 #endif
 
 /* This part must be outside protection */
diff --git a/include/trace/events/damon.h b/include/trace/events/damon.h
new file mode 100644
index 0000000..c79f1d4
--- /dev/null
+++ b/include/trace/events/damon.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM damon
+
+#if !defined(_TRACE_DAMON_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_DAMON_H
+
+#include <linux/damon.h>
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(damon_aggregated,
+
+	TP_PROTO(struct damon_target *t, unsigned int target_id,
+		struct damon_region *r, unsigned int nr_regions),
+
+	TP_ARGS(t, target_id, r, nr_regions),
+
+	TP_STRUCT__entry(
+		__field(unsigned long, target_id)
+		__field(unsigned int, nr_regions)
+		__field(unsigned long, start)
+		__field(unsigned long, end)
+		__field(unsigned int, nr_accesses)
+		__field(unsigned int, age)
+	),
+
+	TP_fast_assign(
+		__entry->target_id = target_id;
+		__entry->nr_regions = nr_regions;
+		__entry->start = r->ar.start;
+		__entry->end = r->ar.end;
+		__entry->nr_accesses = r->nr_accesses;
+		__entry->age = r->age;
+	),
+
+	TP_printk("target_id=%lu nr_regions=%u %lu-%lu: %u %u",
+			__entry->target_id, __entry->nr_regions,
+			__entry->start, __entry->end,
+			__entry->nr_accesses, __entry->age)
+);
+
+#endif /* _TRACE_DAMON_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/erofs.h b/include/trace/events/erofs.h
index db4f2ce..16ae7b6 100644
--- a/include/trace/events/erofs.h
+++ b/include/trace/events/erofs.h
@@ -24,7 +24,7 @@
 #define show_mflags(flags) __print_flags(flags, "",	\
 	{ EROFS_MAP_MAPPED,	"M" },			\
 	{ EROFS_MAP_META,	"I" },			\
-	{ EROFS_MAP_ZIPPED,	"Z" })
+	{ EROFS_MAP_ENCODED,	"E" })
 
 TRACE_EVENT(erofs_lookup,
 
diff --git a/include/trace/events/error_report.h b/include/trace/events/error_report.h
new file mode 100644
index 0000000..96f64bf2
--- /dev/null
+++ b/include/trace/events/error_report.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Declarations for error reporting tracepoints.
+ *
+ * Copyright (C) 2021, Google LLC.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM error_report
+
+#if !defined(_TRACE_ERROR_REPORT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ERROR_REPORT_H
+
+#include <linux/tracepoint.h>
+
+#ifndef __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
+#define __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
+
+enum error_detector {
+	ERROR_DETECTOR_KFENCE,
+	ERROR_DETECTOR_KASAN
+};
+
+#endif /* __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY */
+
+#define error_detector_list	\
+	EM(ERROR_DETECTOR_KFENCE, "kfence")	\
+	EMe(ERROR_DETECTOR_KASAN, "kasan")
+/* Always end the list with an EMe. */
+
+#undef EM
+#undef EMe
+
+#define EM(a, b)	TRACE_DEFINE_ENUM(a);
+#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
+
+error_detector_list
+
+#undef EM
+#undef EMe
+
+#define EM(a, b) { a, b },
+#define EMe(a, b) { a, b }
+
+#define show_error_detector_list(val) \
+	__print_symbolic(val, error_detector_list)
+
+DECLARE_EVENT_CLASS(error_report_template,
+		    TP_PROTO(enum error_detector error_detector, unsigned long id),
+		    TP_ARGS(error_detector, id),
+		    TP_STRUCT__entry(__field(enum error_detector, error_detector)
+					     __field(unsigned long, id)),
+		    TP_fast_assign(__entry->error_detector = error_detector;
+				   __entry->id = id;),
+		    TP_printk("[%s] %lx",
+			      show_error_detector_list(__entry->error_detector),
+			      __entry->id));
+
+/**
+ * error_report_end - called after printing the error report
+ * @error_detector:	short string describing the error detection tool
+ * @id:			pseudo-unique descriptor identifying the report
+ *			(e.g. the memory access address)
+ *
+ * This event occurs right after a debugging tool finishes printing the error
+ * report.
+ */
+DEFINE_EVENT(error_report_template, error_report_end,
+	     TP_PROTO(enum error_detector error_detector, unsigned long id),
+	     TP_ARGS(error_detector, id));
+
+#endif /* _TRACE_ERROR_REPORT_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index e8cd19e..628061e 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -540,17 +540,17 @@
 
 TRACE_EVENT(f2fs_file_write_iter,
 
-	TP_PROTO(struct inode *inode, unsigned long offset,
-		unsigned long length, int ret),
+	TP_PROTO(struct inode *inode, loff_t offset, size_t length,
+		 ssize_t ret),
 
 	TP_ARGS(inode, offset, length, ret),
 
 	TP_STRUCT__entry(
 		__field(dev_t,	dev)
 		__field(ino_t,	ino)
-		__field(unsigned long, offset)
-		__field(unsigned long, length)
-		__field(int,	ret)
+		__field(loff_t, offset)
+		__field(size_t, length)
+		__field(ssize_t, ret)
 	),
 
 	TP_fast_assign(
@@ -562,7 +562,7 @@
 	),
 
 	TP_printk("dev = (%d,%d), ino = %lu, "
-		"offset = %lu, length = %lu, written(err) = %d",
+		"offset = %lld, length = %zu, written(err) = %zd",
 		show_dev_ino(__entry),
 		__entry->offset,
 		__entry->length,
@@ -570,9 +570,10 @@
 );
 
 TRACE_EVENT(f2fs_map_blocks,
-	TP_PROTO(struct inode *inode, struct f2fs_map_blocks *map, int ret),
+	TP_PROTO(struct inode *inode, struct f2fs_map_blocks *map,
+				int create, int flag, int ret),
 
-	TP_ARGS(inode, map, ret),
+	TP_ARGS(inode, map, create, flag, ret),
 
 	TP_STRUCT__entry(
 		__field(dev_t,	dev)
@@ -583,11 +584,14 @@
 		__field(unsigned int,	m_flags)
 		__field(int,	m_seg_type)
 		__field(bool,	m_may_create)
+		__field(bool,	m_multidev_dio)
+		__field(int,	create)
+		__field(int,	flag)
 		__field(int,	ret)
 	),
 
 	TP_fast_assign(
-		__entry->dev		= inode->i_sb->s_dev;
+		__entry->dev		= map->m_bdev->bd_dev;
 		__entry->ino		= inode->i_ino;
 		__entry->m_lblk		= map->m_lblk;
 		__entry->m_pblk		= map->m_pblk;
@@ -595,12 +599,16 @@
 		__entry->m_flags	= map->m_flags;
 		__entry->m_seg_type	= map->m_seg_type;
 		__entry->m_may_create	= map->m_may_create;
+		__entry->m_multidev_dio	= map->m_multidev_dio;
+		__entry->create		= create;
+		__entry->flag		= flag;
 		__entry->ret		= ret;
 	),
 
 	TP_printk("dev = (%d,%d), ino = %lu, file offset = %llu, "
-		"start blkaddr = 0x%llx, len = 0x%llx, flags = %u,"
-		"seg_type = %d, may_create = %d, err = %d",
+		"start blkaddr = 0x%llx, len = 0x%llx, flags = %u, "
+		"seg_type = %d, may_create = %d, multidevice = %d, "
+		"create = %d, flag = %d, err = %d",
 		show_dev_ino(__entry),
 		(unsigned long long)__entry->m_lblk,
 		(unsigned long long)__entry->m_pblk,
@@ -608,6 +616,9 @@
 		__entry->m_flags,
 		__entry->m_seg_type,
 		__entry->m_may_create,
+		__entry->m_multidev_dio,
+		__entry->create,
+		__entry->flag,
 		__entry->ret)
 );
 
@@ -925,14 +936,14 @@
 
 TRACE_EVENT(f2fs_direct_IO_enter,
 
-	TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw),
+	TP_PROTO(struct inode *inode, struct kiocb *iocb, long len, int rw),
 
-	TP_ARGS(inode, offset, len, rw),
+	TP_ARGS(inode, iocb, len, rw),
 
 	TP_STRUCT__entry(
 		__field(dev_t,	dev)
 		__field(ino_t,	ino)
-		__field(loff_t,	pos)
+		__field(struct kiocb *,	iocb)
 		__field(unsigned long,	len)
 		__field(int,	rw)
 	),
@@ -940,15 +951,18 @@
 	TP_fast_assign(
 		__entry->dev	= inode->i_sb->s_dev;
 		__entry->ino	= inode->i_ino;
-		__entry->pos	= offset;
+		__entry->iocb	= iocb;
 		__entry->len	= len;
 		__entry->rw	= rw;
 	),
 
-	TP_printk("dev = (%d,%d), ino = %lu pos = %lld len = %lu rw = %d",
+	TP_printk("dev = (%d,%d), ino = %lu pos = %lld len = %lu ki_flags = %x ki_hint = %x ki_ioprio = %x rw = %d",
 		show_dev_ino(__entry),
-		__entry->pos,
+		__entry->iocb->ki_pos,
 		__entry->len,
+		__entry->iocb->ki_flags,
+		__entry->iocb->ki_hint,
+		__entry->iocb->ki_ioprio,
 		__entry->rw)
 );
 
@@ -1818,6 +1832,7 @@
 	TP_ARGS(inode, cluster_idx, compressed_size, ret)
 );
 
+#ifdef CONFIG_F2FS_IOSTAT
 TRACE_EVENT(f2fs_iostat,
 
 	TP_PROTO(struct f2fs_sb_info *sbi, unsigned long long *iostat),
@@ -1894,6 +1909,102 @@
 		__entry->fs_cdrio, __entry->fs_nrio, __entry->fs_mrio)
 );
 
+#ifndef __F2FS_IOSTAT_LATENCY_TYPE
+#define __F2FS_IOSTAT_LATENCY_TYPE
+struct f2fs_iostat_latency {
+	unsigned int peak_lat;
+	unsigned int avg_lat;
+	unsigned int cnt;
+};
+#endif /* __F2FS_IOSTAT_LATENCY_TYPE */
+
+TRACE_EVENT(f2fs_iostat_latency,
+
+	TP_PROTO(struct f2fs_sb_info *sbi, struct f2fs_iostat_latency (*iostat_lat)[NR_PAGE_TYPE]),
+
+	TP_ARGS(sbi, iostat_lat),
+
+	TP_STRUCT__entry(
+		__field(dev_t,	dev)
+		__field(unsigned int,	d_rd_peak)
+		__field(unsigned int,	d_rd_avg)
+		__field(unsigned int,	d_rd_cnt)
+		__field(unsigned int,	n_rd_peak)
+		__field(unsigned int,	n_rd_avg)
+		__field(unsigned int,	n_rd_cnt)
+		__field(unsigned int,	m_rd_peak)
+		__field(unsigned int,	m_rd_avg)
+		__field(unsigned int,	m_rd_cnt)
+		__field(unsigned int,	d_wr_s_peak)
+		__field(unsigned int,	d_wr_s_avg)
+		__field(unsigned int,	d_wr_s_cnt)
+		__field(unsigned int,	n_wr_s_peak)
+		__field(unsigned int,	n_wr_s_avg)
+		__field(unsigned int,	n_wr_s_cnt)
+		__field(unsigned int,	m_wr_s_peak)
+		__field(unsigned int,	m_wr_s_avg)
+		__field(unsigned int,	m_wr_s_cnt)
+		__field(unsigned int,	d_wr_as_peak)
+		__field(unsigned int,	d_wr_as_avg)
+		__field(unsigned int,	d_wr_as_cnt)
+		__field(unsigned int,	n_wr_as_peak)
+		__field(unsigned int,	n_wr_as_avg)
+		__field(unsigned int,	n_wr_as_cnt)
+		__field(unsigned int,	m_wr_as_peak)
+		__field(unsigned int,	m_wr_as_avg)
+		__field(unsigned int,	m_wr_as_cnt)
+	),
+
+	TP_fast_assign(
+		__entry->dev		= sbi->sb->s_dev;
+		__entry->d_rd_peak	= iostat_lat[0][DATA].peak_lat;
+		__entry->d_rd_avg	= iostat_lat[0][DATA].avg_lat;
+		__entry->d_rd_cnt	= iostat_lat[0][DATA].cnt;
+		__entry->n_rd_peak	= iostat_lat[0][NODE].peak_lat;
+		__entry->n_rd_avg	= iostat_lat[0][NODE].avg_lat;
+		__entry->n_rd_cnt	= iostat_lat[0][NODE].cnt;
+		__entry->m_rd_peak	= iostat_lat[0][META].peak_lat;
+		__entry->m_rd_avg	= iostat_lat[0][META].avg_lat;
+		__entry->m_rd_cnt	= iostat_lat[0][META].cnt;
+		__entry->d_wr_s_peak	= iostat_lat[1][DATA].peak_lat;
+		__entry->d_wr_s_avg	= iostat_lat[1][DATA].avg_lat;
+		__entry->d_wr_s_cnt	= iostat_lat[1][DATA].cnt;
+		__entry->n_wr_s_peak	= iostat_lat[1][NODE].peak_lat;
+		__entry->n_wr_s_avg	= iostat_lat[1][NODE].avg_lat;
+		__entry->n_wr_s_cnt	= iostat_lat[1][NODE].cnt;
+		__entry->m_wr_s_peak	= iostat_lat[1][META].peak_lat;
+		__entry->m_wr_s_avg	= iostat_lat[1][META].avg_lat;
+		__entry->m_wr_s_cnt	= iostat_lat[1][META].cnt;
+		__entry->d_wr_as_peak	= iostat_lat[2][DATA].peak_lat;
+		__entry->d_wr_as_avg	= iostat_lat[2][DATA].avg_lat;
+		__entry->d_wr_as_cnt	= iostat_lat[2][DATA].cnt;
+		__entry->n_wr_as_peak	= iostat_lat[2][NODE].peak_lat;
+		__entry->n_wr_as_avg	= iostat_lat[2][NODE].avg_lat;
+		__entry->n_wr_as_cnt	= iostat_lat[2][NODE].cnt;
+		__entry->m_wr_as_peak	= iostat_lat[2][META].peak_lat;
+		__entry->m_wr_as_avg	= iostat_lat[2][META].avg_lat;
+		__entry->m_wr_as_cnt	= iostat_lat[2][META].cnt;
+	),
+
+	TP_printk("dev = (%d,%d), "
+		"iotype [peak lat.(ms)/avg lat.(ms)/count], "
+		"rd_data [%u/%u/%u], rd_node [%u/%u/%u], rd_meta [%u/%u/%u], "
+		"wr_sync_data [%u/%u/%u], wr_sync_node [%u/%u/%u], "
+		"wr_sync_meta [%u/%u/%u], wr_async_data [%u/%u/%u], "
+		"wr_async_node [%u/%u/%u], wr_async_meta [%u/%u/%u]",
+		show_dev(__entry->dev),
+		__entry->d_rd_peak, __entry->d_rd_avg, __entry->d_rd_cnt,
+		__entry->n_rd_peak, __entry->n_rd_avg, __entry->n_rd_cnt,
+		__entry->m_rd_peak, __entry->m_rd_avg, __entry->m_rd_cnt,
+		__entry->d_wr_s_peak, __entry->d_wr_s_avg, __entry->d_wr_s_cnt,
+		__entry->n_wr_s_peak, __entry->n_wr_s_avg, __entry->n_wr_s_cnt,
+		__entry->m_wr_s_peak, __entry->m_wr_s_avg, __entry->m_wr_s_cnt,
+		__entry->d_wr_as_peak, __entry->d_wr_as_avg, __entry->d_wr_as_cnt,
+		__entry->n_wr_as_peak, __entry->n_wr_as_avg, __entry->n_wr_as_cnt,
+		__entry->m_wr_as_peak, __entry->m_wr_as_avg, __entry->m_wr_as_cnt)
+);
+#endif
+
 TRACE_EVENT(f2fs_bmap,
 
 	TP_PROTO(struct inode *inode, sector_t lblock, sector_t pblock),
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index eeceafa..bb70f46 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -160,6 +160,51 @@
 	TP_ARGS(vec_nr)
 );
 
+DECLARE_EVENT_CLASS(tasklet,
+
+	TP_PROTO(void *func),
+
+	TP_ARGS(func),
+
+	TP_STRUCT__entry(
+		__field( void *,	func)
+	),
+
+	TP_fast_assign(
+		__entry->func = func;
+	),
+
+	TP_printk("function=%ps", __entry->func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_entry,
+
+	TP_PROTO(void *func),
+
+	TP_ARGS(func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_exit,
+
+	TP_PROTO(void *func),
+
+	TP_ARGS(func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_hi_entry,
+
+	TP_PROTO(void *func),
+
+	TP_ARGS(func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_hi_exit,
+
+	TP_PROTO(void *func),
+
+	TP_ARGS(func)
+);
+
 #endif /*  _TRACE_IRQ_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h
index 4d43439..f2c99060 100644
--- a/include/trace/events/migrate.h
+++ b/include/trace/events/migrate.h
@@ -81,6 +81,28 @@
 		__print_symbolic(__entry->mode, MIGRATE_MODE),
 		__print_symbolic(__entry->reason, MIGRATE_REASON))
 );
+
+TRACE_EVENT(mm_migrate_pages_start,
+
+	TP_PROTO(enum migrate_mode mode, int reason),
+
+	TP_ARGS(mode, reason),
+
+	TP_STRUCT__entry(
+		__field(enum migrate_mode, mode)
+		__field(int, reason)
+	),
+
+	TP_fast_assign(
+		__entry->mode	= mode;
+		__entry->reason	= reason;
+	),
+
+	TP_printk("mode=%s reason=%s",
+		  __print_symbolic(__entry->mode, MIGRATE_MODE),
+		  __print_symbolic(__entry->reason, MIGRATE_REASON))
+);
+
 #endif /* _TRACE_MIGRATE_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index 67018d3..12d7693 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -48,11 +48,21 @@
 	{(unsigned long)__GFP_WRITE,		"__GFP_WRITE"},		\
 	{(unsigned long)__GFP_RECLAIM,		"__GFP_RECLAIM"},	\
 	{(unsigned long)__GFP_DIRECT_RECLAIM,	"__GFP_DIRECT_RECLAIM"},\
-	{(unsigned long)__GFP_KSWAPD_RECLAIM,	"__GFP_KSWAPD_RECLAIM"}\
+	{(unsigned long)__GFP_KSWAPD_RECLAIM,	"__GFP_KSWAPD_RECLAIM"},\
+	{(unsigned long)__GFP_ZEROTAGS,		"__GFP_ZEROTAGS"}	\
+
+#ifdef CONFIG_KASAN_HW_TAGS
+#define __def_gfpflag_names_kasan ,					       \
+	{(unsigned long)__GFP_SKIP_ZERO,	   "__GFP_SKIP_ZERO"},	       \
+	{(unsigned long)__GFP_SKIP_KASAN_POISON,   "__GFP_SKIP_KASAN_POISON"}, \
+	{(unsigned long)__GFP_SKIP_KASAN_UNPOISON, "__GFP_SKIP_KASAN_UNPOISON"}
+#else
+#define __def_gfpflag_names_kasan
+#endif
 
 #define show_gfp_flags(flags)						\
 	(flags) ? __print_flags(flags, "|",				\
-	__def_gfpflag_names						\
+	__def_gfpflag_names __def_gfpflag_names_kasan			\
 	) : "none"
 
 #ifdef CONFIG_MMU
@@ -73,7 +83,7 @@
 #define IF_HAVE_PG_HWPOISON(flag,string)
 #endif
 
-#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT)
+#if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT)
 #define IF_HAVE_PG_IDLE(flag,string) ,{1UL << flag, string}
 #else
 #define IF_HAVE_PG_IDLE(flag,string)
@@ -85,6 +95,12 @@
 #define IF_HAVE_PG_ARCH_2(flag,string)
 #endif
 
+#ifdef CONFIG_KASAN_HW_TAGS
+#define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string) ,{1UL << flag, string}
+#else
+#define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string)
+#endif
+
 #define __def_pageflag_names						\
 	{1UL << PG_locked,		"locked"	},		\
 	{1UL << PG_waiters,		"waiters"	},		\
@@ -112,7 +128,8 @@
 IF_HAVE_PG_HWPOISON(PG_hwpoison,	"hwpoison"	)		\
 IF_HAVE_PG_IDLE(PG_young,		"young"		)		\
 IF_HAVE_PG_IDLE(PG_idle,		"idle"		)		\
-IF_HAVE_PG_ARCH_2(PG_arch_2,		"arch_2"	)
+IF_HAVE_PG_ARCH_2(PG_arch_2,		"arch_2"	)		\
+IF_HAVE_PG_SKIP_KASAN_POISON(PG_skip_kasan_poison, "skip_kasan_poison")
 
 #define show_page_flags(flags)						\
 	(flags) ? __print_flags(flags, "|",				\
@@ -137,6 +154,12 @@
 #define IF_HAVE_VM_SOFTDIRTY(flag,name)
 #endif
 
+#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+# define IF_HAVE_UFFD_MINOR(flag, name) {flag, name},
+#else
+# define IF_HAVE_UFFD_MINOR(flag, name)
+#endif
+
 #define __def_vmaflag_names						\
 	{VM_READ,			"read"		},		\
 	{VM_WRITE,			"write"		},		\
@@ -148,6 +171,7 @@
 	{VM_MAYSHARE,			"mayshare"	},		\
 	{VM_GROWSDOWN,			"growsdown"	},		\
 	{VM_UFFD_MISSING,		"uffd_missing"	},		\
+IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR,	"uffd_minor"	)		\
 	{VM_PFNMAP,			"pfnmap"	},		\
 	{VM_DENYWRITE,			"denywrite"	},		\
 	{VM_UFFD_WP,			"uffd_wp"	},		\
diff --git a/include/trace/events/namei.h b/include/trace/events/namei.h
new file mode 100644
index 0000000..e8c3e21
--- /dev/null
+++ b/include/trace/events/namei.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM namei
+
+#if !defined(_TRACE_INODEPATH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_INODEPATH_H
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+#include <linux/mm.h>
+#include <linux/memcontrol.h>
+#include <linux/device.h>
+#include <linux/kdev_t.h>
+
+TRACE_EVENT(inodepath,
+		TP_PROTO(struct inode *inode, char *path),
+
+		TP_ARGS(inode, path),
+
+		TP_STRUCT__entry(
+			/* dev_t and ino_t are arch dependent bit width
+			 * so just use 64-bit
+			 */
+			__field(unsigned long, ino)
+			__field(unsigned long, dev)
+			__string(path, path)
+		),
+
+		TP_fast_assign(
+			__entry->ino = inode->i_ino;
+			__entry->dev = inode->i_sb->s_dev;
+			__assign_str(path, path);
+		),
+
+		TP_printk("dev %d:%d ino=%lu path=%s",
+			MAJOR(__entry->dev), MINOR(__entry->dev),
+			__entry->ino, __get_str(path))
+);
+#endif /* _TRACE_INODEPATH_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/pagefault.h b/include/trace/events/pagefault.h
new file mode 100644
index 0000000..843a763
--- /dev/null
+++ b/include/trace/events/pagefault.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#undef TRACE_INCLUDE_PATH
+#define TRACE_SYSTEM pagefault
+
+#if !defined(_TRACE_PAGEFAULT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_PAGEFAULT_H
+
+#include <linux/tracepoint.h>
+#include <linux/mm.h>
+
+DECLARE_EVENT_CLASS(spf,
+
+	TP_PROTO(unsigned long caller,
+		 struct vm_area_struct *vma, unsigned long address),
+
+	TP_ARGS(caller, vma, address),
+
+	TP_STRUCT__entry(
+		__field(unsigned long, caller)
+		__field(unsigned long, vm_start)
+		__field(unsigned long, vm_end)
+		__field(unsigned long, address)
+	),
+
+	TP_fast_assign(
+		__entry->caller		= caller;
+		__entry->vm_start	= vma->vm_start;
+		__entry->vm_end		= vma->vm_end;
+		__entry->address	= address;
+	),
+
+	TP_printk("ip:%lx vma:%lx-%lx address:%lx",
+		  __entry->caller, __entry->vm_start, __entry->vm_end,
+		  __entry->address)
+);
+
+DEFINE_EVENT(spf, spf_pte_lock,
+
+	TP_PROTO(unsigned long caller,
+		 struct vm_area_struct *vma, unsigned long address),
+
+	TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_changed,
+
+	TP_PROTO(unsigned long caller,
+		 struct vm_area_struct *vma, unsigned long address),
+
+	TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_noanon,
+
+	TP_PROTO(unsigned long caller,
+		 struct vm_area_struct *vma, unsigned long address),
+
+	TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_notsup,
+
+	TP_PROTO(unsigned long caller,
+		 struct vm_area_struct *vma, unsigned long address),
+
+	TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_access,
+
+	TP_PROTO(unsigned long caller,
+		 struct vm_area_struct *vma, unsigned long address),
+
+	TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_pmd_changed,
+
+	TP_PROTO(unsigned long caller,
+		 struct vm_area_struct *vma, unsigned long address),
+
+	TP_ARGS(caller, vma, address)
+);
+
+#endif /* _TRACE_PAGEFAULT_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/pagemap.h b/include/trace/events/pagemap.h
index 8fd1bab..e1735fe 100644
--- a/include/trace/events/pagemap.h
+++ b/include/trace/events/pagemap.h
@@ -27,24 +27,21 @@
 
 TRACE_EVENT(mm_lru_insertion,
 
-	TP_PROTO(
-		struct page *page,
-		int lru
-	),
+	TP_PROTO(struct page *page),
 
-	TP_ARGS(page, lru),
+	TP_ARGS(page),
 
 	TP_STRUCT__entry(
 		__field(struct page *,	page	)
 		__field(unsigned long,	pfn	)
-		__field(int,		lru	)
+		__field(enum lru_list,	lru	)
 		__field(unsigned long,	flags	)
 	),
 
 	TP_fast_assign(
 		__entry->page	= page;
 		__entry->pfn	= page_to_pfn(page);
-		__entry->lru	= lru;
+		__entry->lru	= page_lru(page);
 		__entry->flags	= trace_pagemap_flags(page);
 	),
 
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index af5018a..2217b40 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -40,6 +40,28 @@
 	TP_ARGS(state, cpu_id)
 );
 
+TRACE_EVENT(cpu_idle_miss,
+
+	TP_PROTO(unsigned int cpu_id, unsigned int state, bool below),
+
+	TP_ARGS(cpu_id, state, below),
+
+	TP_STRUCT__entry(
+		__field(u32,		cpu_id)
+		__field(u32,		state)
+		__field(bool,		below)
+	),
+
+	TP_fast_assign(
+		__entry->cpu_id = cpu_id;
+		__entry->state = state;
+		__entry->below = below;
+	),
+
+	TP_printk("cpu_id=%lu state=%lu type=%s", (unsigned long)__entry->cpu_id,
+		(unsigned long)__entry->state, (__entry->below)?"below":"above")
+);
+
 TRACE_EVENT(powernv_throttle,
 
 	TP_PROTO(int chip_id, const char *reason, int pmax),
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 2d8790e..aa3dd15 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -432,6 +432,34 @@
 		  __entry->cpu, __entry->qsevent)
 );
 
+/*
+ * Tracepoint for RCU stall events. Takes a string identifying the RCU flavor
+ * and a string identifying which function detected the RCU stall as follows:
+ *
+ *	"StallDetected": Scheduler-tick detects other CPU's stalls.
+ *	"SelfDetected": Scheduler-tick detects a current CPU's stall.
+ *	"ExpeditedStall": Expedited grace period detects stalls.
+ */
+TRACE_EVENT(rcu_stall_warning,
+
+	TP_PROTO(const char *rcuname, const char *msg),
+
+	TP_ARGS(rcuname, msg),
+
+	TP_STRUCT__entry(
+		__field(const char *, rcuname)
+		__field(const char *, msg)
+	),
+
+	TP_fast_assign(
+		__entry->rcuname = rcuname;
+		__entry->msg = msg;
+	),
+
+	TP_printk("%s %s",
+		  __entry->rcuname, __entry->msg)
+);
+
 #endif /* #if defined(CONFIG_TREE_RCU) */
 
 /*
diff --git a/include/trace/events/rwmmio.h b/include/trace/events/rwmmio.h
new file mode 100644
index 0000000..af9e5eb
--- /dev/null
+++ b/include/trace/events/rwmmio.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM rwmmio
+
+#if !defined(_TRACE_MMIO_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_MMIO_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(rwmmio_write,
+
+	TP_PROTO(unsigned long fn, u64 val, u8 width, volatile void __iomem *addr),
+
+	TP_ARGS(fn, val, width, addr),
+
+	TP_STRUCT__entry(
+		__field(u64, fn)
+		__field(u64, val)
+		__field(u8, width)
+		__field(u64, addr)
+	),
+
+	TP_fast_assign(
+		__entry->fn = fn;
+		__entry->val = val;
+		__entry->width = width;
+		__entry->addr = (u64)addr;
+	),
+
+	TP_printk("%llxS write addr=%llx of width=%x val=0x%llx\n",
+		__entry->fn, __entry->addr, __entry->width, __entry->val)
+);
+
+TRACE_EVENT(rwmmio_read,
+
+	TP_PROTO(unsigned long fn, u8 width, const volatile void __iomem *addr),
+
+	TP_ARGS(fn, width, addr),
+
+	TP_STRUCT__entry(
+		__field(u64, fn)
+		__field(u8, width)
+		__field(u64, addr)
+	),
+
+	TP_fast_assign(
+		__entry->fn = fn;
+		__entry->width = width;
+		__entry->addr = (u64)addr;
+	),
+
+	TP_printk("%llxS read addr=%llx of width=%x\n",
+		 __entry->fn, __entry->addr, __entry->width)
+);
+
+TRACE_EVENT(rwmmio_post_read,
+
+	TP_PROTO(unsigned long fn, u64 val, u8 width, const volatile void __iomem *addr),
+
+	TP_ARGS(fn, val, width, addr),
+
+	TP_STRUCT__entry(
+		__field(u64, fn)
+		__field(u64, val)
+		__field(u8, width)
+		__field(u64, addr)
+	),
+
+	TP_fast_assign(
+		__entry->fn = fn;
+		__entry->val = val;
+		__entry->width = width;
+		__entry->addr = (u64)addr;
+	),
+
+	TP_printk("%llxS read addr=%llx of width=%x val=0x%llx\n",
+		 __entry->fn, __entry->addr, __entry->width, __entry->val)
+);
+
+#endif /* _TRACE_MMIO_H */
+
+#include <trace/define_trace.h>
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index c96a433..bcd7f1f 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -198,6 +198,7 @@
 		__field(	int,	prio			)
 		__field(	int,	orig_cpu		)
 		__field(	int,	dest_cpu		)
+		__field(	int,	running			)
 	),
 
 	TP_fast_assign(
@@ -206,11 +207,13 @@
 		__entry->prio		= p->prio; /* XXX SCHED_DEADLINE */
 		__entry->orig_cpu	= task_cpu(p);
 		__entry->dest_cpu	= dest_cpu;
+		__entry->running	= (p->state == TASK_RUNNING);
 	),
 
-	TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
+	TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d running=%d",
 		  __entry->comm, __entry->pid, __entry->prio,
-		  __entry->orig_cpu, __entry->dest_cpu)
+		  __entry->orig_cpu, __entry->dest_cpu,
+		  __entry->running)
 );
 
 DECLARE_EVENT_CLASS(sched_process_template,
@@ -403,6 +406,30 @@
 	     TP_ARGS(tsk, delay));
 
 /*
+ * Tracepoint for recording the cause of uninterruptible sleep.
+ */
+TRACE_EVENT(sched_blocked_reason,
+
+	TP_PROTO(struct task_struct *tsk),
+
+	TP_ARGS(tsk),
+
+	TP_STRUCT__entry(
+		__field( pid_t,	pid	)
+		__field( void*, caller	)
+		__field( bool, io_wait	)
+	),
+
+	TP_fast_assign(
+		__entry->pid	= tsk->pid;
+		__entry->caller = (void *)get_wchan(tsk);
+		__entry->io_wait = tsk->in_iowait;
+	),
+
+	TP_printk("pid=%d iowait=%d caller=%pS", __entry->pid, __entry->io_wait, __entry->caller)
+);
+
+/*
  * Tracepoint for accounting runtime (time the task is executing
  * on a CPU).
  */
diff --git a/include/trace/events/ufs.h b/include/trace/events/ufs.h
index 84841b3..599739e 100644
--- a/include/trace/events/ufs.h
+++ b/include/trace/events/ufs.h
@@ -11,31 +11,60 @@
 
 #include <linux/tracepoint.h>
 
-#define UFS_LINK_STATES			\
-	EM(UIC_LINK_OFF_STATE)		\
-	EM(UIC_LINK_ACTIVE_STATE)	\
-	EMe(UIC_LINK_HIBERN8_STATE)
+#define str_opcode(opcode)						\
+	__print_symbolic(opcode,					\
+		{ WRITE_16,		"WRITE_16" },			\
+		{ WRITE_10,		"WRITE_10" },			\
+		{ READ_16,		"READ_16" },			\
+		{ READ_10,		"READ_10" },			\
+		{ SYNCHRONIZE_CACHE,	"SYNC" },			\
+		{ UNMAP,		"UNMAP" })
 
-#define UFS_PWR_MODES			\
-	EM(UFS_ACTIVE_PWR_MODE)		\
-	EM(UFS_SLEEP_PWR_MODE)		\
-	EMe(UFS_POWERDOWN_PWR_MODE)
+#define UFS_LINK_STATES						\
+	EM(UIC_LINK_OFF_STATE,		"UIC_LINK_OFF_STATE")		\
+	EM(UIC_LINK_ACTIVE_STATE,	"UIC_LINK_ACTIVE_STATE")	\
+	EMe(UIC_LINK_HIBERN8_STATE,	"UIC_LINK_HIBERN8_STATE")
 
-#define UFSCHD_CLK_GATING_STATES	\
-	EM(CLKS_OFF)			\
-	EM(CLKS_ON)			\
-	EM(REQ_CLKS_OFF)		\
-	EMe(REQ_CLKS_ON)
+#define UFS_PWR_MODES							\
+	EM(UFS_ACTIVE_PWR_MODE,		"UFS_ACTIVE_PWR_MODE")		\
+	EM(UFS_SLEEP_PWR_MODE,		"UFS_SLEEP_PWR_MODE")		\
+	EM(UFS_POWERDOWN_PWR_MODE,	"UFS_POWERDOWN_PWR_MODE")	\
+	EMe(UFS_DEEPSLEEP_PWR_MODE,	"UFS_DEEPSLEEP_PWR_MODE")
+
+#define UFSCHD_CLK_GATING_STATES				\
+	EM(CLKS_OFF,			"CLKS_OFF")		\
+	EM(CLKS_ON,			"CLKS_ON")		\
+	EM(REQ_CLKS_OFF,		"REQ_CLKS_OFF")		\
+	EMe(REQ_CLKS_ON,		"REQ_CLKS_ON")
+
+#define UFS_CMD_TRACE_STRINGS					\
+	EM(UFS_CMD_SEND,	"send_req")			\
+	EM(UFS_CMD_COMP,	"complete_rsp")			\
+	EM(UFS_DEV_COMP,	"dev_complete")			\
+	EM(UFS_QUERY_SEND,	"query_send")			\
+	EM(UFS_QUERY_COMP,	"query_complete")		\
+	EM(UFS_QUERY_ERR,	"query_complete_err")		\
+	EM(UFS_TM_SEND,		"tm_send")			\
+	EM(UFS_TM_COMP,		"tm_complete")			\
+	EMe(UFS_TM_ERR,		"tm_complete_err")
+
+#define UFS_CMD_TRACE_TSF_TYPES					\
+	EM(UFS_TSF_CDB,		"CDB")		                \
+	EM(UFS_TSF_OSF,		"OSF")		                \
+	EM(UFS_TSF_TM_INPUT,	"TM_INPUT")                     \
+	EMe(UFS_TSF_TM_OUTPUT,	"TM_OUTPUT")
 
 /* Enums require being exported to userspace, for user tool parsing */
 #undef EM
 #undef EMe
-#define EM(a)	TRACE_DEFINE_ENUM(a);
-#define EMe(a)	TRACE_DEFINE_ENUM(a);
+#define EM(a, b)	TRACE_DEFINE_ENUM(a);
+#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
 
 UFS_LINK_STATES;
 UFS_PWR_MODES;
 UFSCHD_CLK_GATING_STATES;
+UFS_CMD_TRACE_STRINGS
+UFS_CMD_TRACE_TSF_TYPES
 
 /*
  * Now redefine the EM() and EMe() macros to map the enums to the strings
@@ -43,8 +72,13 @@
  */
 #undef EM
 #undef EMe
-#define EM(a)	{ a, #a },
-#define EMe(a)	{ a, #a }
+#define EM(a, b)	{a, b},
+#define EMe(a, b)	{a, b}
+
+#define show_ufs_cmd_trace_str(str_t)	\
+				__print_symbolic(str_t, UFS_CMD_TRACE_STRINGS)
+#define show_ufs_cmd_trace_tsf(tsf)	\
+				__print_symbolic(tsf, UFS_CMD_TRACE_TSF_TYPES)
 
 TRACE_EVENT(ufshcd_clk_gating,
 
@@ -212,52 +246,76 @@
 		      int dev_state, int link_state),
 	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
 
-TRACE_EVENT(ufshcd_command,
-	TP_PROTO(const char *dev_name, const char *str, unsigned int tag,
-			u32 doorbell, int transfer_len, u32 intr, u64 lba,
-			u8 opcode),
+DEFINE_EVENT(ufshcd_template, ufshcd_wl_suspend,
+	     TP_PROTO(const char *dev_name, int err, s64 usecs,
+		      int dev_state, int link_state),
+	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
 
-	TP_ARGS(dev_name, str, tag, doorbell, transfer_len, intr, lba, opcode),
+DEFINE_EVENT(ufshcd_template, ufshcd_wl_resume,
+	     TP_PROTO(const char *dev_name, int err, s64 usecs,
+		      int dev_state, int link_state),
+	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
+
+DEFINE_EVENT(ufshcd_template, ufshcd_wl_runtime_suspend,
+	     TP_PROTO(const char *dev_name, int err, s64 usecs,
+		      int dev_state, int link_state),
+	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
+
+DEFINE_EVENT(ufshcd_template, ufshcd_wl_runtime_resume,
+	     TP_PROTO(const char *dev_name, int err, s64 usecs,
+		      int dev_state, int link_state),
+	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
+
+TRACE_EVENT(ufshcd_command,
+	TP_PROTO(const char *dev_name, enum ufs_trace_str_t str_t,
+		 unsigned int tag, u32 doorbell, int transfer_len, u32 intr,
+		 u64 lba, u8 opcode, u8 group_id),
+
+	TP_ARGS(dev_name, str_t, tag, doorbell, transfer_len,
+				intr, lba, opcode, group_id),
 
 	TP_STRUCT__entry(
 		__string(dev_name, dev_name)
-		__string(str, str)
+		__field(enum ufs_trace_str_t, str_t)
 		__field(unsigned int, tag)
 		__field(u32, doorbell)
 		__field(int, transfer_len)
 		__field(u32, intr)
 		__field(u64, lba)
 		__field(u8, opcode)
+		__field(u8, group_id)
 	),
 
 	TP_fast_assign(
 		__assign_str(dev_name, dev_name);
-		__assign_str(str, str);
+		__entry->str_t = str_t;
 		__entry->tag = tag;
 		__entry->doorbell = doorbell;
 		__entry->transfer_len = transfer_len;
 		__entry->intr = intr;
 		__entry->lba = lba;
 		__entry->opcode = opcode;
+		__entry->group_id = group_id;
 	),
 
 	TP_printk(
-		"%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x",
-		__get_str(str), __get_str(dev_name), __entry->tag,
-		__entry->doorbell, __entry->transfer_len,
-		__entry->intr, __entry->lba, (u32)__entry->opcode
+		"%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x (%s), group_id: 0x%x",
+		show_ufs_cmd_trace_str(__entry->str_t), __get_str(dev_name),
+		__entry->tag, __entry->doorbell, __entry->transfer_len,
+		__entry->intr, __entry->lba, (u32)__entry->opcode,
+		str_opcode(__entry->opcode), (u32)__entry->group_id
 	)
 );
 
 TRACE_EVENT(ufshcd_uic_command,
-	TP_PROTO(const char *dev_name, const char *str, u32 cmd,
+	TP_PROTO(const char *dev_name, enum ufs_trace_str_t str_t, u32 cmd,
 		 u32 arg1, u32 arg2, u32 arg3),
 
-	TP_ARGS(dev_name, str, cmd, arg1, arg2, arg3),
+	TP_ARGS(dev_name, str_t, cmd, arg1, arg2, arg3),
 
 	TP_STRUCT__entry(
 		__string(dev_name, dev_name)
-		__string(str, str)
+		__field(enum ufs_trace_str_t, str_t)
 		__field(u32, cmd)
 		__field(u32, arg1)
 		__field(u32, arg2)
@@ -266,7 +324,7 @@
 
 	TP_fast_assign(
 		__assign_str(dev_name, dev_name);
-		__assign_str(str, str);
+		__entry->str_t = str_t;
 		__entry->cmd = cmd;
 		__entry->arg1 = arg1;
 		__entry->arg2 = arg2;
@@ -275,38 +333,63 @@
 
 	TP_printk(
 		"%s: %s: cmd: 0x%x, arg1: 0x%x, arg2: 0x%x, arg3: 0x%x",
-		__get_str(str), __get_str(dev_name), __entry->cmd,
-		__entry->arg1, __entry->arg2, __entry->arg3
+		show_ufs_cmd_trace_str(__entry->str_t), __get_str(dev_name),
+		__entry->cmd, __entry->arg1, __entry->arg2, __entry->arg3
 	)
 );
 
 TRACE_EVENT(ufshcd_upiu,
-	TP_PROTO(const char *dev_name, const char *str, void *hdr, void *tsf),
+	TP_PROTO(const char *dev_name, enum ufs_trace_str_t str_t, void *hdr,
+		 void *tsf, enum ufs_trace_tsf_t tsf_t),
 
-	TP_ARGS(dev_name, str, hdr, tsf),
+	TP_ARGS(dev_name, str_t, hdr, tsf, tsf_t),
 
 	TP_STRUCT__entry(
 		__string(dev_name, dev_name)
-		__string(str, str)
+		__field(enum ufs_trace_str_t, str_t)
 		__array(unsigned char, hdr, 12)
 		__array(unsigned char, tsf, 16)
+		__field(enum ufs_trace_tsf_t, tsf_t)
 	),
 
 	TP_fast_assign(
 		__assign_str(dev_name, dev_name);
-		__assign_str(str, str);
+		__entry->str_t = str_t;
 		memcpy(__entry->hdr, hdr, sizeof(__entry->hdr));
 		memcpy(__entry->tsf, tsf, sizeof(__entry->tsf));
+		__entry->tsf_t = tsf_t;
 	),
 
 	TP_printk(
-		"%s: %s: HDR:%s, CDB:%s",
-		__get_str(str), __get_str(dev_name),
+		"%s: %s: HDR:%s, %s:%s",
+		show_ufs_cmd_trace_str(__entry->str_t), __get_str(dev_name),
 		__print_hex(__entry->hdr, sizeof(__entry->hdr)),
+		show_ufs_cmd_trace_tsf(__entry->tsf_t),
 		__print_hex(__entry->tsf, sizeof(__entry->tsf))
 	)
 );
 
+TRACE_EVENT(ufshcd_exception_event,
+
+	TP_PROTO(const char *dev_name, u16 status),
+
+	TP_ARGS(dev_name, status),
+
+	TP_STRUCT__entry(
+		__string(dev_name, dev_name)
+		__field(u16, status)
+	),
+
+	TP_fast_assign(
+		__assign_str(dev_name, dev_name);
+		__entry->status = status;
+	),
+
+	TP_printk("%s: status 0x%x",
+		__get_str(dev_name), __entry->status
+	)
+);
+
 #endif /* if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ) */
 
 /* This part must be outside protection */
diff --git a/include/trace/hooks/avc.h b/include/trace/hooks/avc.h
new file mode 100644
index 0000000..1d20538
--- /dev/null
+++ b/include/trace/hooks/avc.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM avc
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_AVC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_AVC_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct avc_node;
+DECLARE_HOOK(android_vh_selinux_avc_insert,
+	TP_PROTO(const struct avc_node *node),
+	TP_ARGS(node));
+
+DECLARE_HOOK(android_vh_selinux_avc_node_delete,
+	TP_PROTO(const struct avc_node *node),
+	TP_ARGS(node));
+
+DECLARE_HOOK(android_vh_selinux_avc_node_replace,
+	TP_PROTO(const struct avc_node *old, const struct avc_node *new),
+	TP_ARGS(old, new));
+
+DECLARE_HOOK(android_vh_selinux_avc_lookup,
+	TP_PROTO(const struct avc_node *node, u32 ssid, u32 tsid, u16 tclass),
+	TP_ARGS(node, ssid, tsid, tclass));
+
+#endif /* _TRACE_HOOK_AVC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/binder.h b/include/trace/hooks/binder.h
new file mode 100644
index 0000000..c46264c
--- /dev/null
+++ b/include/trace/hooks/binder.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM binder
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_BINDER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_BINDER_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct binder_alloc;
+struct binder_proc;
+struct binder_thread;
+struct binder_transaction;
+struct task_struct;
+struct seq_file;
+struct binder_transaction_data;
+
+DECLARE_HOOK(android_vh_binder_transaction_init,
+	TP_PROTO(struct binder_transaction *t),
+	TP_ARGS(t));
+DECLARE_HOOK(android_vh_binder_priority_skip,
+	TP_PROTO(struct task_struct *task, bool *skip),
+	TP_ARGS(task, skip));
+DECLARE_HOOK(android_vh_binder_set_priority,
+	TP_PROTO(struct binder_transaction *t, struct task_struct *task),
+	TP_ARGS(t, task));
+DECLARE_HOOK(android_vh_binder_restore_priority,
+	TP_PROTO(struct binder_transaction *t, struct task_struct *task),
+	TP_ARGS(t, task));
+DECLARE_HOOK(android_vh_binder_wakeup_ilocked,
+	TP_PROTO(struct task_struct *task, bool sync, struct binder_proc *proc),
+	TP_ARGS(task, sync, proc));
+DECLARE_HOOK(android_vh_binder_wait_for_work,
+	TP_PROTO(bool do_proc_work, struct binder_thread *tsk, struct binder_proc *proc),
+	TP_ARGS(do_proc_work, tsk, proc));
+DECLARE_HOOK(android_vh_sync_txn_recvd,
+	TP_PROTO(struct task_struct *tsk, struct task_struct *from),
+	TP_ARGS(tsk, from));
+DECLARE_HOOK(android_vh_binder_alloc_new_buf_locked,
+	TP_PROTO(size_t size, struct binder_alloc *alloc, int is_async),
+	TP_ARGS(size, alloc, is_async));
+DECLARE_HOOK(android_vh_binder_reply,
+	TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
+		struct binder_thread *thread, struct binder_transaction_data *tr),
+	TP_ARGS(target_proc, proc, thread, tr));
+DECLARE_HOOK(android_vh_binder_trans,
+	TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
+		struct binder_thread *thread, struct binder_transaction_data *tr),
+	TP_ARGS(target_proc, proc, thread, tr));
+DECLARE_HOOK(android_vh_binder_preset,
+	TP_PROTO(struct hlist_head *hhead, struct mutex *lock),
+	TP_ARGS(hhead, lock));
+DECLARE_HOOK(android_vh_binder_proc_transaction,
+	TP_PROTO(struct task_struct *caller_task, struct task_struct *binder_proc_task,
+		struct task_struct *binder_th_task, int node_debug_id,
+		unsigned int code, bool pending_async),
+	TP_ARGS(caller_task, binder_proc_task, binder_th_task, node_debug_id, code, pending_async));
+DECLARE_HOOK(android_vh_binder_new_ref,
+	TP_PROTO(struct task_struct *proc, uint32_t ref_desc, int node_debug_id),
+	TP_ARGS(proc, ref_desc, node_debug_id));
+DECLARE_HOOK(android_vh_binder_del_ref,
+	TP_PROTO(struct task_struct *proc, uint32_t ref_desc),
+	TP_ARGS(proc, ref_desc));
+DECLARE_HOOK(android_vh_binder_print_transaction_info,
+	TP_PROTO(struct seq_file *m, struct binder_proc *proc,
+		 const char *prefix, struct binder_transaction *t),
+	TP_ARGS(m, proc, prefix, t));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_BINDER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/block.h b/include/trace/hooks/block.h
new file mode 100644
index 0000000..e8bee37
--- /dev/null
+++ b/include/trace/hooks/block.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM block
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_BLOCK_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct blk_mq_tags;
+struct blk_mq_alloc_data;
+struct blk_mq_tag_set;
+
+DECLARE_HOOK(android_vh_blk_alloc_rqs,
+	TP_PROTO(size_t *rq_size, struct blk_mq_tag_set *set,
+		struct blk_mq_tags *tags),
+	TP_ARGS(rq_size, set, tags));
+
+DECLARE_HOOK(android_vh_blk_rq_ctx_init,
+	TP_PROTO(struct request *rq, struct blk_mq_tags *tags,
+		struct blk_mq_alloc_data *data, u64 alloc_time_ns),
+	TP_ARGS(rq, tags, data, alloc_time_ns));
+
+#endif /* _TRACE_HOOK_BLOCK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/buffer.h b/include/trace/hooks/buffer.h
new file mode 100644
index 0000000..50e8f71
--- /dev/null
+++ b/include/trace/hooks/buffer.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM buffer
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_BUFFER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_BUFFER_H
+
+#include <linux/types.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_bh_lru_install,
+	TP_PROTO(struct page *page, bool *flush),
+	TP_ARGS(page, flush));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_BUFFER_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/bug.h b/include/trace/hooks/bug.h
new file mode 100644
index 0000000..3bd683e
--- /dev/null
+++ b/include/trace/hooks/bug.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM bug
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_BUG_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_BUG_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_RESTRICTED_HOOK(android_rvh_report_bug,
+	TP_PROTO(const char *file, unsigned int line, unsigned long bugaddr),
+	TP_ARGS(file, line, bugaddr), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_BUG_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cgroup.h b/include/trace/hooks/cgroup.h
new file mode 100644
index 0000000..116a2af
--- /dev/null
+++ b/include/trace/hooks/cgroup.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cgroup
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CGROUP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CGROUP_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct cgroup_taskset;
+struct cgroup_subsys;
+struct task_struct;
+
+DECLARE_HOOK(android_vh_cgroup_set_task,
+	TP_PROTO(int ret, struct task_struct *task),
+	TP_ARGS(ret, task));
+DECLARE_RESTRICTED_HOOK(android_rvh_cpuset_fork,
+	TP_PROTO(struct task_struct *p, int *inherit_cpus),
+	TP_ARGS(p, inherit_cpus), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_cgroup_force_kthread_migration,
+	TP_PROTO(struct task_struct *tsk, struct cgroup *dst_cgrp, bool *force_migration),
+	TP_ARGS(tsk, dst_cgrp, force_migration), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_refrigerator,
+	TP_PROTO(bool f),
+	TP_ARGS(f), 1);
+
+DECLARE_HOOK(android_vh_cgroup_attach,
+	TP_PROTO(struct cgroup_subsys *ss, struct cgroup_taskset *tset),
+	TP_ARGS(ss, tset))
+#endif
+
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cpu.h b/include/trace/hooks/cpu.h
new file mode 100644
index 0000000..b368736
--- /dev/null
+++ b/include/trace/hooks/cpu.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpu
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CPU_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPU_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_cpu_up,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused));
+
+DECLARE_HOOK(android_vh_cpu_down,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_CPU_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cpufreq.h b/include/trace/hooks/cpufreq.h
new file mode 100644
index 0000000..2739a0f
--- /dev/null
+++ b/include/trace/hooks/cpufreq.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpufreq
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_CPUFREQ_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPUFREQ_H
+#include <trace/hooks/vendor_hooks.h>
+
+#ifdef __GENKSYMS__
+#include <linux/cpufreq.h>
+#endif
+
+struct cpufreq_policy;
+struct task_struct;
+
+DECLARE_HOOK(android_vh_show_max_freq,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int *max_freq),
+	TP_ARGS(policy, max_freq));
+
+DECLARE_HOOK(android_vh_freq_table_limits,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int min_freq,
+		 unsigned int max_freq),
+	TP_ARGS(policy, min_freq, max_freq));
+
+DECLARE_HOOK(android_vh_cpufreq_acct_update_power,
+	TP_PROTO(u64 cputime, struct task_struct *p, unsigned int state),
+	TP_ARGS(cputime, p, state));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpufreq_transition,
+	TP_PROTO(struct cpufreq_policy *policy),
+	TP_ARGS(policy), 1);
+
+DECLARE_HOOK(android_vh_cpufreq_resolve_freq,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int *target_freq,
+		unsigned int old_target_freq),
+	TP_ARGS(policy, target_freq, old_target_freq));
+
+DECLARE_HOOK(android_vh_cpufreq_fast_switch,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int *target_freq,
+		unsigned int old_target_freq),
+	TP_ARGS(policy, target_freq, old_target_freq));
+
+DECLARE_HOOK(android_vh_cpufreq_target,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int *target_freq,
+		unsigned int old_target_freq),
+	TP_ARGS(policy, target_freq, old_target_freq));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_CPUFREQ_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cpuidle.h b/include/trace/hooks/cpuidle.h
new file mode 100644
index 0000000..c2ddabe
--- /dev/null
+++ b/include/trace/hooks/cpuidle.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpuidle
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_CPUIDLE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPUIDLE_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct cpuidle_device;
+
+DECLARE_HOOK(android_vh_cpu_idle_enter,
+	TP_PROTO(int *state, struct cpuidle_device *dev),
+	TP_ARGS(state, dev))
+DECLARE_HOOK(android_vh_cpu_idle_exit,
+	TP_PROTO(int state, struct cpuidle_device *dev),
+	TP_ARGS(state, dev))
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_CPUIDLE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/cpuidle_psci.h b/include/trace/hooks/cpuidle_psci.h
new file mode 100644
index 0000000..3ca307a
--- /dev/null
+++ b/include/trace/hooks/cpuidle_psci.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpuidle_psci
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CPUIDLE_PSCI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPUIDLE_PSCI_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+struct cpuidle_device;
+
+DECLARE_HOOK(android_vh_cpuidle_psci_enter,
+	TP_PROTO(struct cpuidle_device *dev, bool s2idle),
+	TP_ARGS(dev, s2idle));
+
+DECLARE_HOOK(android_vh_cpuidle_psci_exit,
+	TP_PROTO(struct cpuidle_device *dev, bool s2idle),
+	TP_ARGS(dev, s2idle));
+
+#endif /* _TRACE_HOOK_CPUIDLE_PSCI_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/creds.h b/include/trace/hooks/creds.h
new file mode 100644
index 0000000..12f92be
--- /dev/null
+++ b/include/trace/hooks/creds.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM creds
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CREDS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CREDS_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct cred;
+struct task_struct;
+
+DECLARE_HOOK(android_vh_commit_creds,
+	TP_PROTO(const struct task_struct *task, const struct cred *new),
+	TP_ARGS(task, new));
+
+DECLARE_HOOK(android_vh_exit_creds,
+	TP_PROTO(const struct task_struct *task, const struct cred *cred),
+	TP_ARGS(task, cred));
+
+DECLARE_HOOK(android_vh_override_creds,
+	TP_PROTO(const struct task_struct *task, const struct cred *new),
+	TP_ARGS(task, new));
+
+DECLARE_HOOK(android_vh_revert_creds,
+	TP_PROTO(const struct task_struct *task, const struct cred *old),
+	TP_ARGS(task, old));
+
+#endif /* _TRACE_HOOK_CREDS_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/debug.h b/include/trace/hooks/debug.h
new file mode 100644
index 0000000..5a20141
--- /dev/null
+++ b/include/trace/hooks/debug.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM debug
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_DEBUG_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_DEBUG_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct pt_regs;
+
+DECLARE_HOOK(android_vh_ipi_stop,
+	TP_PROTO(struct pt_regs *regs),
+	TP_ARGS(regs))
+
+#endif /* _TRACE_HOOK_DEBUG_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/dmabuf.h b/include/trace/hooks/dmabuf.h
new file mode 100644
index 0000000..6769ff61
--- /dev/null
+++ b/include/trace/hooks/dmabuf.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM dmabuf
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_DMABUF_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_DMABUF_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+/* struct dma_buf */
+struct dma_heap;
+DECLARE_HOOK(android_vh_dmabuf_heap_flags_validation,
+		TP_PROTO(struct dma_heap *heap, size_t len,
+			unsigned int fd_flags, unsigned int heap_flags, bool *skip),
+		TP_ARGS(heap, len, fd_flags, heap_flags, skip));
+#endif /* _TRACE_HOOK_DMABUF_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/dtask.h b/include/trace/hooks/dtask.h
new file mode 100644
index 0000000..749dc5b
--- /dev/null
+++ b/include/trace/hooks/dtask.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM dtask
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_DTASK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_DTASK_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct mutex;
+struct rt_mutex;
+struct rw_semaphore;
+struct task_struct;
+
+DECLARE_HOOK(android_vh_mutex_wait_start,
+	TP_PROTO(struct mutex *lock),
+	TP_ARGS(lock));
+DECLARE_HOOK(android_vh_mutex_wait_finish,
+	TP_PROTO(struct mutex *lock),
+	TP_ARGS(lock));
+
+DECLARE_HOOK(android_vh_rtmutex_wait_start,
+	TP_PROTO(struct rt_mutex *lock),
+	TP_ARGS(lock));
+DECLARE_HOOK(android_vh_rtmutex_wait_finish,
+	TP_PROTO(struct rt_mutex *lock),
+	TP_ARGS(lock));
+
+DECLARE_HOOK(android_vh_rwsem_read_wait_start,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_read_wait_finish,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_write_wait_start,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_write_wait_finish,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+
+DECLARE_HOOK(android_vh_sched_show_task,
+	TP_PROTO(struct task_struct *task),
+	TP_ARGS(task));
+DECLARE_HOOK(android_vh_alter_mutex_list_add,
+	TP_PROTO(struct mutex *lock,
+		struct mutex_waiter *waiter,
+		struct list_head *list,
+		bool *already_on_list),
+	TP_ARGS(lock, waiter, list, already_on_list));
+DECLARE_HOOK(android_vh_mutex_unlock_slowpath,
+	TP_PROTO(struct mutex *lock),
+	TP_ARGS(lock));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_DTASK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/epoch.h b/include/trace/hooks/epoch.h
new file mode 100644
index 0000000..c3f018e
--- /dev/null
+++ b/include/trace/hooks/epoch.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM epoch
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_EPOCH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_EPOCH_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_show_suspend_epoch_val,
+	TP_PROTO(u64 suspend_ns, u64 suspend_cycles),
+	TP_ARGS(suspend_ns, suspend_cycles));
+
+DECLARE_HOOK(android_vh_show_resume_epoch_val,
+	TP_PROTO(u64 resume_cycles),
+	TP_ARGS(resume_cycles));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_EPOCH_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/fault.h b/include/trace/hooks/fault.h
new file mode 100644
index 0000000..1b6e0b0
--- /dev/null
+++ b/include/trace/hooks/fault.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fault
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FAULT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FAULT_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct pt_regs;
+
+DECLARE_RESTRICTED_HOOK(android_rvh_die_kernel_fault,
+	TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, const char *msg),
+	TP_ARGS(regs, esr, addr, msg), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_sea,
+	TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, const char *msg),
+	TP_ARGS(regs, esr, addr, msg), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_mem_abort,
+	TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, const char *msg),
+	TP_ARGS(regs, esr, addr, msg), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_sp_pc_abort,
+	TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, bool user),
+	TP_ARGS(regs, esr, addr, user),
+	TP_CONDITION(!user));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_FAULT_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/fips140.h b/include/trace/hooks/fips140.h
new file mode 100644
index 0000000..fd4a42c
--- /dev/null
+++ b/include/trace/hooks/fips140.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fips140
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FIPS140_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FIPS140_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct crypto_aes_ctx;
+
+/*
+ * These hooks exist only for the benefit of the FIPS140 crypto module, which
+ * uses them to swap out the underlying implementation with one that is integrity
+ * checked as per FIPS 140 requirements. No other uses are allowed or
+ * supported.
+ */
+
+DECLARE_HOOK(android_vh_sha256,
+	     TP_PROTO(const u8 *data,
+		      unsigned int len,
+		      u8 *out,
+		      int *hook_inuse),
+	     TP_ARGS(data, len, out, hook_inuse));
+
+DECLARE_HOOK(android_vh_aes_expandkey,
+	     TP_PROTO(struct crypto_aes_ctx *ctx,
+		      const u8 *in_key,
+		      unsigned int key_len,
+		      int *err),
+	     TP_ARGS(ctx, in_key, key_len, err));
+
+DECLARE_HOOK(android_vh_aes_encrypt,
+	     TP_PROTO(const struct crypto_aes_ctx *ctx,
+		      u8 *out,
+		      const u8 *in,
+		      int *hook_inuse),
+	     TP_ARGS(ctx, out, in, hook_inuse));
+
+DECLARE_HOOK(android_vh_aes_decrypt,
+	     TP_PROTO(const struct crypto_aes_ctx *ctx,
+		      u8 *out,
+		      const u8 *in,
+		      int *hook_inuse),
+	     TP_ARGS(ctx, out, in, hook_inuse));
+
+#endif /* _TRACE_HOOK_FIPS140_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/fs.h b/include/trace/hooks/fs.h
new file mode 100644
index 0000000..1c8d692
--- /dev/null
+++ b/include/trace/hooks/fs.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fs
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FS_H
+
+#include <trace/hooks/vendor_hooks.h>
+DECLARE_HOOK(android_vh_ep_create_wakeup_source,
+	TP_PROTO(char *name, int len),
+	TP_ARGS(name, len));
+
+DECLARE_HOOK(android_vh_timerfd_create,
+	TP_PROTO(char *name, int len),
+	TP_ARGS(name, len));
+#endif /* _TRACE_HOOK_FS_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/ftrace_dump.h b/include/trace/hooks/ftrace_dump.h
new file mode 100644
index 0000000..0594e8b
--- /dev/null
+++ b/include/trace/hooks/ftrace_dump.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ftrace_dump
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FTRACE_DUMP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FTRACE_DUMP_H
+#include <trace/hooks/vendor_hooks.h>
+
+#ifdef __GENKSYMS__
+#include <linux/trace_seq.h>
+#include <linux/trace_events.h>
+#endif
+
+struct trace_seq;
+
+DECLARE_HOOK(android_vh_ftrace_oops_enter,
+	TP_PROTO(bool *ftrace_check),
+	TP_ARGS(ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_oops_exit,
+	TP_PROTO(bool *ftrace_check),
+	TP_ARGS(ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_size_check,
+	TP_PROTO(unsigned long size, bool *ftrace_check),
+	TP_ARGS(size, ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_format_check,
+	TP_PROTO(bool *ftrace_check),
+	TP_ARGS(ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_dump_buffer,
+	TP_PROTO(struct trace_seq *trace_buf, bool *dump_printk),
+	TP_ARGS(trace_buf, dump_printk));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_FTRACE_DUMP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/futex.h b/include/trace/hooks/futex.h
new file mode 100644
index 0000000..3acf812
--- /dev/null
+++ b/include/trace/hooks/futex.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM futex
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_FUTEX_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FUTEX_H
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/plist.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_alter_futex_plist_add,
+	TP_PROTO(struct plist_node *node,
+		 struct plist_head *head,
+		 bool *already_on_hb),
+	TP_ARGS(node, head, already_on_hb));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_FUTEX_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/gic.h b/include/trace/hooks/gic.h
new file mode 100644
index 0000000..d33786f
--- /dev/null
+++ b/include/trace/hooks/gic.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gic
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_GIC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_GIC_H
+
+
+#include <trace/hooks/vendor_hooks.h>
+struct gic_chip_data;
+
+DECLARE_HOOK(android_vh_gic_resume,
+       TP_PROTO(struct gic_chip_data *gd),
+       TP_ARGS(gd));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_GIC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/gic_v3.h b/include/trace/hooks/gic_v3.h
new file mode 100644
index 0000000..647514f
--- /dev/null
+++ b/include/trace/hooks/gic_v3.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gic_v3
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_GIC_V3_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_GIC_V3_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct cpumask;
+struct irq_data;
+
+DECLARE_HOOK(android_vh_gic_v3_affinity_init,
+	TP_PROTO(int irq, u32 offset, u64 *affinity),
+	TP_ARGS(irq, offset, affinity));
+DECLARE_RESTRICTED_HOOK(android_rvh_gic_v3_set_affinity,
+	TP_PROTO(struct irq_data *d, const struct cpumask *mask_val,
+		 u64 *affinity, bool force, void __iomem *base),
+	TP_ARGS(d, mask_val, affinity, force, base),
+	1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_GIC_V3_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/gpiolib.h b/include/trace/hooks/gpiolib.h
new file mode 100644
index 0000000..2011598
--- /dev/null
+++ b/include/trace/hooks/gpiolib.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gpiolib
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_GPIOLIB_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_GPIOLIB_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+#ifdef __GENKSYMS__
+#include "../drivers/gpio/gpiolib.h"
+#endif
+
+struct gpio_device;
+
+DECLARE_HOOK(android_vh_gpio_block_read,
+	TP_PROTO(struct gpio_device *gdev, bool *block_gpio_read),
+	TP_ARGS(gdev, block_gpio_read));
+
+#endif /* _TRACE_HOOK_GPIOLIB_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/gup.h b/include/trace/hooks/gup.h
new file mode 100644
index 0000000..47ea47e
--- /dev/null
+++ b/include/trace/hooks/gup.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gup
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_GUP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_GUP_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct page;
+
+DECLARE_HOOK(android_vh_try_grab_compound_head,
+       TP_PROTO(struct page *page, int refs, unsigned int flags, bool *ret),
+       TP_ARGS(page, refs, flags, ret));
+
+DECLARE_HOOK(android_vh___get_user_pages_remote,
+       TP_PROTO(int *locked, unsigned int *gup_flags, struct page **pages),
+       TP_ARGS(locked, gup_flags, pages));
+
+DECLARE_HOOK(android_vh_get_user_pages,
+       TP_PROTO(unsigned int *gup_flags, struct page **pages),
+       TP_ARGS(gup_flags, pages));
+
+DECLARE_HOOK(android_vh_internal_get_user_pages_fast,
+       TP_PROTO(unsigned int *gup_flags, struct page **pages),
+       TP_ARGS(gup_flags, pages));
+
+DECLARE_HOOK(android_vh_pin_user_pages,
+       TP_PROTO(unsigned int *gup_flags, struct page **pages),
+       TP_ARGS(gup_flags, pages));
+#endif /* _TRACE_HOOK_GUP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/hung_task.h b/include/trace/hooks/hung_task.h
new file mode 100644
index 0000000..1559d3e
--- /dev/null
+++ b/include/trace/hooks/hung_task.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hung_task
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_HUNG_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_HUNG_TASK_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_check_uninterruptible_tasks,
+	TP_PROTO(struct task_struct *t, unsigned long timeout,
+		bool *need_check),
+	TP_ARGS(t, timeout, need_check));
+
+DECLARE_HOOK(android_vh_check_uninterruptible_tasks_dn,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused));
+
+#endif /* _TRACE_HOOK_HUNG_TASK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/i2c.h b/include/trace/hooks/i2c.h
new file mode 100644
index 0000000..306c0f8
--- /dev/null
+++ b/include/trace/hooks/i2c.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM i2c
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_I2C_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_I2C_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_of_i2c_get_board_info,
+	TP_PROTO(struct device_node *node, const char **dev_name),
+	TP_ARGS(node, dev_name));
+
+#endif /* _TRACE_HOOK_I2C_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/iommu.h b/include/trace/hooks/iommu.h
new file mode 100644
index 0000000..c09f1a4
--- /dev/null
+++ b/include/trace/hooks/iommu.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iommu
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_IOMMU_H
+
+#include <linux/types.h>
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_RESTRICTED_HOOK(android_rvh_iommu_setup_dma_ops,
+	TP_PROTO(struct device *dev, u64 dma_base, u64 size),
+	TP_ARGS(dev, dma_base, size), 1);
+
+DECLARE_HOOK(android_vh_iommu_alloc_iova,
+	TP_PROTO(struct device *dev, dma_addr_t iova, size_t size),
+	TP_ARGS(dev, iova, size));
+
+DECLARE_HOOK(android_vh_iommu_free_iova,
+	TP_PROTO(dma_addr_t iova, size_t size),
+	TP_ARGS(iova, size));
+
+#endif /* _TRACE_HOOK_IOMMU_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/ipv6.h b/include/trace/hooks/ipv6.h
new file mode 100644
index 0000000..64a5481
--- /dev/null
+++ b/include/trace/hooks/ipv6.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ipv6
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_IPV6_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_IPV6_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_ipv6_gen_linklocal_addr,
+	TP_PROTO(struct net_device *dev, bool *ret),
+	TP_ARGS(dev, ret));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_IPV6_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/logbuf.h b/include/trace/hooks/logbuf.h
new file mode 100644
index 0000000..c5ad3ba
--- /dev/null
+++ b/include/trace/hooks/logbuf.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM logbuf
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_LOGBUF_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_LOGBUF_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct printk_record;
+struct printk_ringbuffer;
+
+DECLARE_HOOK(android_vh_logbuf,
+	TP_PROTO(struct printk_ringbuffer *rb, struct printk_record *r),
+	TP_ARGS(rb, r))
+
+DECLARE_HOOK(android_vh_logbuf_pr_cont,
+	TP_PROTO(struct printk_record *r, size_t text_len),
+	TP_ARGS(r, text_len))
+
+#endif /* _TRACE_HOOK_LOGBUF_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/memory.h b/include/trace/hooks/memory.h
new file mode 100644
index 0000000..940af43
--- /dev/null
+++ b/include/trace/hooks/memory.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM memory
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_MEMORY_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MEMORY_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_set_memory_x,
+	TP_PROTO(unsigned long addr, int nr_pages),
+	TP_ARGS(addr, nr_pages));
+
+DECLARE_HOOK(android_vh_set_memory_nx,
+	TP_PROTO(unsigned long addr, int nr_pages),
+	TP_ARGS(addr, nr_pages));
+
+DECLARE_HOOK(android_vh_set_memory_ro,
+	TP_PROTO(unsigned long addr, int nr_pages),
+	TP_ARGS(addr, nr_pages));
+
+DECLARE_HOOK(android_vh_set_memory_rw,
+	TP_PROTO(unsigned long addr, int nr_pages),
+	TP_ARGS(addr, nr_pages));
+
+#endif /* _TRACE_HOOK_MEMORY_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/mm.h b/include/trace/hooks/mm.h
new file mode 100644
index 0000000..d9be2be
--- /dev/null
+++ b/include/trace/hooks/mm.h
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mm
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_MM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MM_H
+
+#include <linux/types.h>
+#include <trace/hooks/vendor_hooks.h>
+
+#ifdef __GENKSYMS__
+#include <linux/mm.h>
+#include <linux/oom.h>
+#endif
+
+struct oom_control;
+struct cma;
+struct acr_info;
+struct compact_control;
+struct slabinfo;
+struct cgroup_subsys_state;
+struct mem_cgroup;
+struct cma;
+struct acr_info;
+struct vm_unmapped_area_info;
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_skip_swapcache_flags,
+			TP_PROTO(gfp_t *flags),
+			TP_ARGS(flags), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_set_gfp_zone_flags,
+			TP_PROTO(gfp_t *flags),
+			TP_ARGS(flags), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_set_readahead_gfp_mask,
+			TP_PROTO(gfp_t *flags),
+			TP_ARGS(flags), 1);
+DECLARE_HOOK(android_vh_cma_alloc_start,
+	TP_PROTO(s64 *ts),
+	TP_ARGS(ts));
+DECLARE_HOOK(android_vh_cma_alloc_finish,
+	TP_PROTO(struct cma *cma, struct page *page, unsigned long count,
+		 unsigned int align, gfp_t gfp_mask, s64 ts),
+	TP_ARGS(cma, page, count, align, gfp_mask, ts));
+DECLARE_HOOK(android_vh_cma_alloc_busy_info,
+	TP_PROTO(struct acr_info *info),
+	TP_ARGS(info));
+DECLARE_HOOK(android_vh_calc_alloc_flags,
+	TP_PROTO(unsigned int pflags, gfp_t gfp_mask, unsigned int *alloc_flags,
+		bool *bypass),
+	TP_ARGS(pflags, gfp_mask, alloc_flags, bypass));
+DECLARE_HOOK(android_vh_mm_compaction_begin,
+	TP_PROTO(struct compact_control *cc, long *vendor_ret),
+	TP_ARGS(cc, vendor_ret));
+DECLARE_HOOK(android_vh_mm_compaction_end,
+	TP_PROTO(struct compact_control *cc, long vendor_ret),
+	TP_ARGS(cc, vendor_ret));
+DECLARE_HOOK(android_vh_rmqueue,
+	TP_PROTO(struct zone *preferred_zone, struct zone *zone,
+		unsigned int order, gfp_t gfp_flags,
+		unsigned int alloc_flags, int migratetype),
+	TP_ARGS(preferred_zone, zone, order,
+		gfp_flags, alloc_flags, migratetype));
+DECLARE_HOOK(android_vh_pagevec_drain,
+	TP_PROTO(struct page *page, bool *ret),
+	TP_ARGS(page, ret));
+DECLARE_HOOK(android_vh_pagecache_get_page,
+	TP_PROTO(struct address_space *mapping, pgoff_t index,
+		int fgp_flags, gfp_t gfp_mask, struct page *page),
+	TP_ARGS(mapping, index, fgp_flags, gfp_mask, page));
+DECLARE_HOOK(android_vh_filemap_fault_get_page,
+	TP_PROTO(struct vm_fault *vmf, struct page **page, bool *retry),
+	TP_ARGS(vmf, page, retry));
+DECLARE_HOOK(android_vh_filemap_fault_cache_page,
+	TP_PROTO(struct vm_fault *vmf, struct page *page),
+	TP_ARGS(vmf, page));
+DECLARE_HOOK(android_vh_meminfo_proc_show,
+	TP_PROTO(struct seq_file *m),
+	TP_ARGS(m));
+DECLARE_HOOK(android_vh_exit_mm,
+	TP_PROTO(struct mm_struct *mm),
+	TP_ARGS(mm));
+DECLARE_HOOK(android_vh_get_from_fragment_pool,
+	TP_PROTO(struct mm_struct *mm, struct vm_unmapped_area_info *info,
+		unsigned long *addr),
+	TP_ARGS(mm, info, addr));
+DECLARE_HOOK(android_vh_exclude_reserved_zone,
+	TP_PROTO(struct mm_struct *mm, struct vm_unmapped_area_info *info),
+	TP_ARGS(mm, info));
+DECLARE_HOOK(android_vh_include_reserved_zone,
+	TP_PROTO(struct mm_struct *mm, struct vm_unmapped_area_info *info,
+		unsigned long *addr),
+	TP_ARGS(mm, info, addr));
+DECLARE_HOOK(android_vh_show_mem,
+	TP_PROTO(unsigned int filter, nodemask_t *nodemask),
+	TP_ARGS(filter, nodemask));
+DECLARE_HOOK(android_vh_alloc_pages_slowpath,
+	TP_PROTO(gfp_t gfp_mask, unsigned int order, unsigned long delta),
+	TP_ARGS(gfp_mask, order, delta));
+DECLARE_HOOK(android_vh_cma_alloc_adjust,
+	TP_PROTO(struct zone *zone, bool *is_cma_alloc),
+	TP_ARGS(zone, is_cma_alloc));
+DECLARE_HOOK(android_vh_do_madvise_blk_plug,
+	TP_PROTO(int behavior, bool *do_plug),
+	TP_ARGS(behavior, do_plug));
+DECLARE_HOOK(android_vh_shrink_inactive_list_blk_plug,
+	TP_PROTO(bool *do_plug),
+	TP_ARGS(do_plug));
+DECLARE_HOOK(android_vh_shrink_lruvec_blk_plug,
+	TP_PROTO(bool *do_plug),
+	TP_ARGS(do_plug));
+DECLARE_HOOK(android_vh_reclaim_pages_plug,
+	TP_PROTO(bool *do_plug),
+	TP_ARGS(do_plug));
+DECLARE_HOOK(android_vh_zap_pte_range_tlb_start,
+	TP_PROTO(void *ret),
+	TP_ARGS(ret));
+DECLARE_HOOK(android_vh_zap_pte_range_tlb_force_flush,
+	TP_PROTO(struct page *page, bool *flush),
+	TP_ARGS(page, flush));
+DECLARE_HOOK(android_vh_zap_pte_range_tlb_end,
+	TP_PROTO(void *ret),
+	TP_ARGS(ret));
+DECLARE_HOOK(android_vh_skip_lru_disable,
+	TP_PROTO(bool *skip),
+	TP_ARGS(skip));
+DECLARE_HOOK(android_vh_print_slabinfo_header,
+	TP_PROTO(struct seq_file *m),
+	TP_ARGS(m));
+DECLARE_HOOK(android_vh_cache_show,
+	TP_PROTO(struct seq_file *m, struct slabinfo *sinfo, struct kmem_cache *s),
+	TP_ARGS(m, sinfo, s));
+struct dirty_throttle_control;
+DECLARE_HOOK(android_vh_mm_dirty_limits,
+	TP_PROTO(struct dirty_throttle_control *const gdtc, bool strictlimit,
+		unsigned long dirty, unsigned long bg_thresh,
+		unsigned long nr_reclaimable, unsigned long pages_dirtied),
+	TP_ARGS(gdtc, strictlimit, dirty, bg_thresh,
+		nr_reclaimable, pages_dirtied));
+DECLARE_HOOK(android_vh_oom_check_panic,
+	TP_PROTO(struct oom_control *oc, int *ret),
+	TP_ARGS(oc, ret));
+DECLARE_HOOK(android_vh_save_vmalloc_stack,
+	TP_PROTO(unsigned long flags, struct vm_struct *vm),
+	TP_ARGS(flags, vm));
+DECLARE_HOOK(android_vh_show_stack_hash,
+	TP_PROTO(struct seq_file *m, struct vm_struct *v),
+	TP_ARGS(m, v));
+DECLARE_HOOK(android_vh_save_track_hash,
+	TP_PROTO(bool alloc, unsigned long p),
+	TP_ARGS(alloc, p));
+DECLARE_HOOK(android_vh_mem_cgroup_alloc,
+	TP_PROTO(struct mem_cgroup *memcg),
+	TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_free,
+	TP_PROTO(struct mem_cgroup *memcg),
+	TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_id_remove,
+	TP_PROTO(struct mem_cgroup *memcg),
+	TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_css_online,
+	TP_PROTO(struct cgroup_subsys_state *css, struct mem_cgroup *memcg),
+	TP_ARGS(css, memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_css_offline,
+	TP_PROTO(struct cgroup_subsys_state *css, struct mem_cgroup *memcg),
+	TP_ARGS(css, memcg));
+DECLARE_HOOK(android_vh_alloc_pages_reclaim_bypass,
+	TP_PROTO(gfp_t gfp_mask, int order, int alloc_flags,
+	int migratetype, struct page **page),
+	TP_ARGS(gfp_mask, order, alloc_flags, migratetype, page));
+DECLARE_HOOK(android_vh_alloc_pages_failure_bypass,
+	TP_PROTO(gfp_t gfp_mask, int order, int alloc_flags,
+	int migratetype, struct page **page),
+	TP_ARGS(gfp_mask, order, alloc_flags, migratetype, page));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_MM_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/mmc_core.h b/include/trace/hooks/mmc_core.h
new file mode 100644
index 0000000..c59b4ac
--- /dev/null
+++ b/include/trace/hooks/mmc_core.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mmc_core
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_MMC_CORE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MMC_CORE_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct sdhci_host;
+struct mmc_card;
+struct mmc_host;
+
+DECLARE_HOOK(android_vh_mmc_blk_reset,
+	     TP_PROTO(struct mmc_host *host, int err, bool *allow),
+	     TP_ARGS(host, err, allow));
+DECLARE_HOOK(android_vh_mmc_blk_mq_rw_recovery,
+	     TP_PROTO(struct mmc_card *card),
+	     TP_ARGS(card));
+DECLARE_HOOK(android_vh_sd_update_bus_speed_mode,
+	     TP_PROTO(struct mmc_card *card),
+	     TP_ARGS(card));
+DECLARE_HOOK(android_vh_mmc_attach_sd,
+	     TP_PROTO(struct mmc_host *host, u32 ocr, int err),
+	     TP_ARGS(host, ocr, err));
+DECLARE_HOOK(android_vh_sdhci_get_cd,
+	     TP_PROTO(struct sdhci_host *host, bool *allow),
+	     TP_ARGS(host, allow));
+DECLARE_HOOK(android_vh_mmc_gpio_cd_irqt,
+	     TP_PROTO(struct mmc_host *host, bool *allow),
+	     TP_ARGS(host, allow));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_MMC_CORE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/mpam.h b/include/trace/hooks/mpam.h
new file mode 100644
index 0000000..06b96b1
--- /dev/null
+++ b/include/trace/hooks/mpam.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mpam
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_MPAM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MPAM_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct task_struct;
+
+DECLARE_HOOK(android_vh_mpam_set,
+	TP_PROTO(struct task_struct *prev, struct task_struct *next),
+	TP_ARGS(prev, next));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_MPAM_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/net.h b/include/trace/hooks/net.h
new file mode 100644
index 0000000..4fcd632
--- /dev/null
+++ b/include/trace/hooks/net.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM net
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_NET_VH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_NET_VH_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct packet_type;
+struct sk_buff;
+struct list_head;
+struct nf_conn;
+struct sock;
+
+DECLARE_HOOK(android_vh_ptype_head,
+	TP_PROTO(const struct packet_type *pt, struct list_head *vendor_pt),
+	TP_ARGS(pt, vendor_pt));
+DECLARE_HOOK(android_vh_kfree_skb,
+	TP_PROTO(struct sk_buff *skb), TP_ARGS(skb));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_nf_conn_alloc,
+	TP_PROTO(struct nf_conn *nf_conn), TP_ARGS(nf_conn), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_nf_conn_free,
+	TP_PROTO(struct nf_conn *nf_conn), TP_ARGS(nf_conn), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_sk_alloc,
+	TP_PROTO(struct sock *sock), TP_ARGS(sock), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_sk_free,
+	TP_PROTO(struct sock *sock), TP_ARGS(sock), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_NET_VH_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/pci.h b/include/trace/hooks/pci.h
new file mode 100644
index 0000000..4025544
--- /dev/null
+++ b/include/trace/hooks/pci.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pci
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PCI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PCI_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct pci_dev;
+
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+DECLARE_RESTRICTED_HOOK(android_rvh_pci_d3_sleep,
+		TP_PROTO(struct pci_dev *dev, unsigned int *delay),
+		TP_ARGS(dev, delay), 1);
+
+#endif /* _TRACE_HOOK_PCI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/pm_domain.h b/include/trace/hooks/pm_domain.h
new file mode 100644
index 0000000..eaee85b
--- /dev/null
+++ b/include/trace/hooks/pm_domain.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pm_domain
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PM_DOMAIN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PM_DOMAIN_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct generic_pm_domain;
+
+DECLARE_HOOK(android_vh_allow_domain_state,
+	TP_PROTO(struct generic_pm_domain *genpd, uint32_t idx, bool *allow),
+	TP_ARGS(genpd, idx, allow))
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_PM_DOMAIN_H */
+
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/power.h b/include/trace/hooks/power.h
new file mode 100644
index 0000000..f9b7bbec
--- /dev/null
+++ b/include/trace/hooks/power.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM power
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_POWER_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+/* needed for enum freq_qos_req_types */
+#include <linux/pm_qos.h>
+
+struct freq_constraints;
+struct freq_qos_request;
+struct task_struct;
+
+DECLARE_HOOK(android_vh_try_to_freeze_todo,
+	TP_PROTO(unsigned int todo, unsigned int elapsed_msecs, bool wq_busy),
+	TP_ARGS(todo, elapsed_msecs, wq_busy));
+
+DECLARE_HOOK(android_vh_try_to_freeze_todo_logging,
+	TP_PROTO(bool *logging_on),
+	TP_ARGS(logging_on));
+
+DECLARE_HOOK(android_vh_try_to_freeze_todo_unfrozen,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p));
+
+
+DECLARE_HOOK(android_vh_freq_qos_add_request,
+	TP_PROTO(struct freq_constraints *qos, struct freq_qos_request *req,
+		enum freq_qos_req_type type, int value, int ret),
+	TP_ARGS(qos, req, type, value, ret));
+
+DECLARE_HOOK(android_vh_freq_qos_update_request,
+		TP_PROTO(struct freq_qos_request *req, int value),
+		TP_ARGS(req, value));
+
+DECLARE_HOOK(android_vh_freq_qos_remove_request,
+		TP_PROTO(struct freq_qos_request *req),
+		TP_ARGS(req));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_POWER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/preemptirq.h b/include/trace/hooks/preemptirq.h
new file mode 100644
index 0000000..4fbab92
--- /dev/null
+++ b/include/trace/hooks/preemptirq.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM preemptirq
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PREEMPTIRQ_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_RESTRICTED_HOOK(android_rvh_preempt_disable,
+	TP_PROTO(unsigned long ip, unsigned long parent_ip),
+	TP_ARGS(ip, parent_ip), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_preempt_enable,
+	TP_PROTO(unsigned long ip, unsigned long parent_ip),
+	TP_ARGS(ip, parent_ip), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_irqs_disable,
+	TP_PROTO(unsigned long ip, unsigned long parent_ip),
+	TP_ARGS(ip, parent_ip), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_irqs_enable,
+	TP_PROTO(unsigned long ip, unsigned long parent_ip),
+	TP_ARGS(ip, parent_ip), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_PREEMPTIRQ_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/printk.h b/include/trace/hooks/printk.h
new file mode 100644
index 0000000..5ec4d74
--- /dev/null
+++ b/include/trace/hooks/printk.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM printk
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PRINTK_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_printk_hotplug,
+	TP_PROTO(int *flag),
+	TP_ARGS(flag));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_PRINTK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/psi.h b/include/trace/hooks/psi.h
new file mode 100644
index 0000000..deeb3df
--- /dev/null
+++ b/include/trace/hooks/psi.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM psi
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PSI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PSI_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct psi_group;
+struct psi_trigger;
+
+DECLARE_HOOK(android_vh_psi_event,
+	TP_PROTO(struct psi_trigger *t),
+	TP_ARGS(t));
+
+DECLARE_HOOK(android_vh_psi_group,
+	TP_PROTO(struct psi_group *group),
+	TP_ARGS(group));
+
+#endif /* _TRACE_HOOK_PSI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/remoteproc.h b/include/trace/hooks/remoteproc.h
new file mode 100644
index 0000000..ee0a2f0
--- /dev/null
+++ b/include/trace/hooks/remoteproc.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM remoteproc
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_RPROC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_RPROC_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct rproc;
+
+DECLARE_HOOK(android_vh_rproc_recovery,
+	TP_PROTO(struct rproc *rproc),
+	TP_ARGS(rproc));
+
+#endif /* _TRACE_HOOK_RPROC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/rwsem.h b/include/trace/hooks/rwsem.h
new file mode 100644
index 0000000..e3fd217
--- /dev/null
+++ b/include/trace/hooks/rwsem.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM rwsem
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_RWSEM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_RWSEM_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct rw_semaphore;
+struct rwsem_waiter;
+
+DECLARE_HOOK(android_vh_rwsem_init,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_wake,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_write_finished,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+DECLARE_HOOK(android_vh_alter_rwsem_list_add,
+	TP_PROTO(struct rwsem_waiter *waiter,
+		 struct rw_semaphore *sem,
+		 bool *already_on_list),
+	TP_ARGS(waiter, sem, already_on_list));
+DECLARE_HOOK(android_vh_rwsem_wake_finish,
+	TP_PROTO(struct rw_semaphore *sem),
+	TP_ARGS(sem));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_RWSEM_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/sched.h b/include/trace/hooks/sched.h
new file mode 100644
index 0000000..b1ee019
--- /dev/null
+++ b/include/trace/hooks/sched.h
@@ -0,0 +1,424 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sched
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SCHED_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct cgroup_taskset;
+struct cgroup_subsys_state;
+struct cpufreq_policy;
+struct em_perf_domain;
+enum uclamp_id;
+struct sched_entity;
+struct task_struct;
+struct uclamp_se;
+
+DECLARE_RESTRICTED_HOOK(android_rvh_select_task_rq_fair,
+	TP_PROTO(struct task_struct *p, int prev_cpu, int sd_flag, int wake_flags, int *new_cpu),
+	TP_ARGS(p, prev_cpu, sd_flag, wake_flags, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_select_task_rq_rt,
+	TP_PROTO(struct task_struct *p, int prev_cpu, int sd_flag, int wake_flags, int *new_cpu),
+	TP_ARGS(p, prev_cpu, sd_flag, wake_flags, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_select_task_rq_dl,
+	TP_PROTO(struct task_struct *p, int prev_cpu, int sd_flag, int wake_flags, int *new_cpu),
+	TP_ARGS(p, prev_cpu, sd_flag, wake_flags, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_select_fallback_rq,
+	TP_PROTO(int cpu, struct task_struct *p, int *new_cpu),
+	TP_ARGS(cpu, p, new_cpu), 1);
+
+struct rq;
+DECLARE_HOOK(android_vh_scheduler_tick,
+	TP_PROTO(struct rq *rq),
+	TP_ARGS(rq));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_enqueue_task,
+	TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+	TP_ARGS(rq, p, flags), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_task,
+	TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+	TP_ARGS(rq, p, flags), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_can_migrate_task,
+	TP_PROTO(struct task_struct *p, int dst_cpu, int *can_migrate),
+	TP_ARGS(p, dst_cpu, can_migrate), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_lowest_rq,
+	TP_PROTO(struct task_struct *p, struct cpumask *local_cpu_mask,
+			int ret, int *lowest_cpu),
+	TP_ARGS(p, local_cpu_mask, ret, lowest_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_prepare_prio_fork,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_finish_prio_fork,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_rtmutex_prepare_setprio,
+	TP_PROTO(struct task_struct *p, struct task_struct *pi_task),
+	TP_ARGS(p, pi_task), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_user_nice,
+	TP_PROTO(struct task_struct *p, long *nice, bool *allowed),
+	TP_ARGS(p, nice, allowed), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_setscheduler,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+struct sched_group;
+DECLARE_RESTRICTED_HOOK(android_rvh_find_busiest_group,
+	TP_PROTO(struct sched_group *busiest, struct rq *dst_rq, int *out_balance),
+		TP_ARGS(busiest, dst_rq, out_balance), 1);
+
+DECLARE_HOOK(android_vh_dump_throttled_rt_tasks,
+	TP_PROTO(int cpu, u64 clock, ktime_t rt_period, u64 rt_runtime,
+			s64 rt_period_timer_expires),
+	TP_ARGS(cpu, clock, rt_period, rt_runtime, rt_period_timer_expires));
+
+DECLARE_HOOK(android_vh_jiffies_update,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused));
+
+struct rq_flags;
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_newidle_balance,
+	TP_PROTO(struct rq *this_rq, struct rq_flags *rf,
+		 int *pulled_task, int *done),
+	TP_ARGS(this_rq, rf, pulled_task, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_nohz_balancer_kick,
+	TP_PROTO(struct rq *rq, unsigned int *flags, int *done),
+	TP_ARGS(rq, flags, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_rebalance_domains,
+	TP_PROTO(struct rq *rq, int *continue_balancing),
+	TP_ARGS(rq, continue_balancing), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_busiest_queue,
+	TP_PROTO(int dst_cpu, struct sched_group *group,
+		 struct cpumask *env_cpus, struct rq **busiest,
+		 int *done),
+	TP_ARGS(dst_cpu, group, env_cpus, busiest, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_migrate_queued_task,
+	TP_PROTO(struct rq *rq, struct rq_flags *rf,
+		 struct task_struct *p, int new_cpu,
+		 int *detached),
+	TP_ARGS(rq, rf, p, new_cpu, detached), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_resume_cpus,
+	TP_PROTO(struct cpumask *cpus, int *err),
+	TP_ARGS(cpus, err), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_energy_efficient_cpu,
+	TP_PROTO(struct task_struct *p, int prev_cpu, int sync, int *new_cpu),
+	TP_ARGS(p, prev_cpu, sync, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_iowait,
+	TP_PROTO(struct task_struct *p, int *should_iowait_boost),
+	TP_ARGS(p, should_iowait_boost), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_overutilized,
+	TP_PROTO(int cpu, int *overutilized),
+	TP_ARGS(cpu, overutilized), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_setaffinity,
+	TP_PROTO(struct task_struct *p, const struct cpumask *in_mask, int *retval),
+	TP_ARGS(p, in_mask, retval), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_cpus_allowed,
+	TP_PROTO(struct task_struct *p, cpumask_var_t cpus_requested,
+		 const struct cpumask *new_mask, int *ret),
+	TP_ARGS(p, cpus_requested, new_mask, ret), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_task_cpu,
+	TP_PROTO(struct task_struct *p, unsigned int new_cpu),
+	TP_ARGS(p, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_fork,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_wake_up_new_task,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_schedule,
+	TP_PROTO(struct task_struct *prev, struct task_struct *next, struct rq *rq),
+	TP_ARGS(prev, next, rq), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_build_perf_domains,
+	TP_PROTO(bool *eas_check),
+	TP_ARGS(eas_check), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_misfit_status,
+	TP_PROTO(struct task_struct *p, struct rq *rq, bool *need_update),
+	TP_ARGS(p, rq, need_update), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_attach,
+	TP_PROTO(struct cgroup_taskset *tset),
+	TP_ARGS(tset), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_can_attach,
+	TP_PROTO(struct cgroup_taskset *tset, int *retval),
+	TP_ARGS(tset, retval), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_online,
+	TP_PROTO(struct cgroup_subsys_state *css),
+	TP_ARGS(css), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_fork_init,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_ttwu_cond,
+	TP_PROTO(bool *cond),
+	TP_ARGS(cond), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_schedule_bug,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_exec,
+	TP_PROTO(bool *cond),
+	TP_ARGS(cond), 1);
+
+DECLARE_HOOK(android_vh_map_util_freq,
+	TP_PROTO(unsigned long util, unsigned long freq,
+		unsigned long cap, unsigned long *next_freq, struct cpufreq_policy *policy,
+		bool *need_freq_update),
+	TP_ARGS(util, freq, cap, next_freq, policy, need_freq_update));
+
+DECLARE_HOOK(android_vh_update_next_freq,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int old_next_freq,
+		unsigned int *new_next_freq, s64 delta_ns),
+	TP_ARGS(policy, old_next_freq, new_next_freq, delta_ns));
+
+DECLARE_HOOK(android_vh_sugov_get_util,
+	TP_PROTO(unsigned int cpu, unsigned long *ret),
+	TP_ARGS(cpu, ret));
+
+DECLARE_HOOK(android_vh_em_cpu_energy,
+	TP_PROTO(struct em_perf_domain *pd,
+		unsigned long max_util, unsigned long sum_util,
+		unsigned long *energy),
+	TP_ARGS(pd, max_util, sum_util, energy));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_balance_rt,
+	TP_PROTO(struct rq *rq, struct task_struct *p, int *done),
+	TP_ARGS(rq, p, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_task_idle,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p), 1);
+
+struct cfs_rq;
+DECLARE_RESTRICTED_HOOK(android_rvh_pick_next_entity,
+	TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *curr,
+		 struct sched_entity **se),
+	TP_ARGS(cfs_rq, curr, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_check_preempt_wakeup,
+	TP_PROTO(struct rq *rq, struct task_struct *p, bool *preempt, bool *nopreempt,
+			int wake_flags, struct sched_entity *se, struct sched_entity *pse,
+			int next_buddy_marked, unsigned int granularity),
+	TP_ARGS(rq, p, preempt, nopreempt, wake_flags, se, pse, next_buddy_marked,
+			granularity), 1);
+
+DECLARE_HOOK(android_vh_do_wake_up_sync,
+	TP_PROTO(struct wait_queue_head *wq_head, int *done),
+	TP_ARGS(wq_head, done));
+
+DECLARE_HOOK(android_vh_set_wake_flags,
+	TP_PROTO(int *wake_flags, unsigned int *mode),
+	TP_ARGS(wake_flags, mode));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_uclamp_eff_get,
+	TP_PROTO(struct task_struct *p, enum uclamp_id clamp_id,
+		 struct uclamp_se *uclamp_max, struct uclamp_se *uclamp_eff, int *ret),
+	TP_ARGS(p, clamp_id, uclamp_max, uclamp_eff, ret), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_uclamp_task_util,
+	TP_PROTO(unsigned long task_util, unsigned long min_util,
+		 unsigned long max_util, unsigned long *ret),
+	TP_ARGS(task_util, min_util, max_util, ret), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_uclamp_rq_util_with,
+	TP_PROTO(unsigned long util, unsigned long min_util,
+		 unsigned long max_util, unsigned long *ret),
+	TP_ARGS(util, min_util, max_util, ret), 1);
+
+DECLARE_HOOK(android_vh_build_sched_domains,
+	TP_PROTO(bool has_asym),
+	TP_ARGS(has_asym));
+DECLARE_RESTRICTED_HOOK(android_rvh_check_preempt_tick,
+	TP_PROTO(struct task_struct *p, unsigned long *ideal_runtime, bool *skip_preempt,
+			unsigned long delta_exec, struct cfs_rq *cfs_rq, struct sched_entity *curr,
+			unsigned int granularity),
+	TP_ARGS(p, ideal_runtime, skip_preempt, delta_exec, cfs_rq, curr, granularity), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_check_preempt_wakeup_ignore,
+	TP_PROTO(struct task_struct *p, bool *ignore),
+	TP_ARGS(p, ignore), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_replace_next_task_fair,
+	TP_PROTO(struct rq *rq, struct task_struct **p, struct sched_entity **se, bool *repick,
+			bool simple, struct task_struct *prev),
+	TP_ARGS(rq, p, se, repick, simple, prev), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_util_est_update,
+	TP_PROTO(struct cfs_rq *cfs_rq, struct task_struct *p, bool task_sleep, int *ret),
+	TP_ARGS(cfs_rq, p, task_sleep, ret), 1);
+
+DECLARE_HOOK(android_vh_account_task_time,
+	TP_PROTO(struct task_struct *p, struct rq *rq, int user_tick),
+	TP_ARGS(p, rq, user_tick));
+
+DECLARE_HOOK(android_vh_irqtime_account_process_tick,
+	TP_PROTO(struct task_struct *p, struct rq *rq, int user_tick, int ticks),
+	TP_ARGS(p, rq, user_tick, ticks));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_post_init_entity_util_avg,
+	TP_PROTO(struct sched_entity *se),
+	TP_ARGS(se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_cpus_allowed_comm,
+	TP_PROTO(struct task_struct *p, const struct cpumask *new_mask),
+	TP_ARGS(p, new_mask), 1);
+
+DECLARE_HOOK(android_vh_sched_setaffinity_early,
+	TP_PROTO(struct task_struct *p, const struct cpumask *new_mask, int *retval),
+	TP_ARGS(p, new_mask, retval));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpumask_any_and_distribute,
+	TP_PROTO(struct task_struct *p, const struct cpumask *cpu_valid_mask ,
+		const struct cpumask *new_mask, int *dest_cpu),
+	TP_ARGS(p, cpu_valid_mask, new_mask, dest_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_sched_yield,
+	TP_PROTO(struct rq *rq),
+	TP_ARGS(rq), 1);
+
+DECLARE_HOOK(android_vh_free_task,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_after_enqueue_task,
+	TP_PROTO(struct rq *rq, struct task_struct *p),
+	TP_ARGS(rq, p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_after_dequeue_task,
+	TP_PROTO(struct rq *rq, struct task_struct *p),
+	TP_ARGS(rq, p), 1);
+
+struct cfs_rq;
+struct rq_flags;
+DECLARE_RESTRICTED_HOOK(android_rvh_enqueue_entity,
+	TP_PROTO(struct cfs_rq *cfs, struct sched_entity *se),
+	TP_ARGS(cfs, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_entity,
+	TP_PROTO(struct cfs_rq *cfs, struct sched_entity *se),
+	TP_ARGS(cfs, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_entity_tick,
+	TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *se),
+	TP_ARGS(cfs_rq, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_enqueue_task_fair,
+	TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+	TP_ARGS(rq, p, flags), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_task_fair,
+	TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+	TP_ARGS(rq, p, flags), 1);
+
+DECLARE_HOOK(android_vh_prepare_update_load_avg_se,
+	TP_PROTO(struct sched_entity *se, int flags),
+	TP_ARGS(se, flags));
+
+DECLARE_HOOK(android_vh_finish_update_load_avg_se,
+	TP_PROTO(struct sched_entity *se, int flags),
+	TP_ARGS(se, flags));
+
+DECLARE_HOOK(android_vh_uclamp_validate,
+	TP_PROTO(struct task_struct *p, const struct sched_attr *attr,
+		 int *ret, bool *done),
+	TP_ARGS(p, attr, ret, done));
+
+DECLARE_HOOK(android_vh_dup_task_struct,
+	TP_PROTO(struct task_struct *tsk, struct task_struct *orig),
+	TP_ARGS(tsk, orig));
+
+DECLARE_HOOK(android_vh_set_task_comm,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_new_ilb,
+	TP_PROTO(struct cpumask *nohz_idle_cpus_mask, int *ilb),
+	TP_ARGS(nohz_idle_cpus_mask, ilb), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_force_compatible_pre,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_force_compatible_post,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused), 1);
+
+DECLARE_HOOK(android_vh_setscheduler_uclamp,
+	TP_PROTO(struct task_struct *tsk, int clamp_id, unsigned int value),
+	TP_ARGS(tsk, clamp_id, value));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_attach_entity_load_avg,
+	TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *se),
+	TP_ARGS(cfs_rq, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_detach_entity_load_avg,
+	TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *se),
+	TP_ARGS(cfs_rq, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_load_avg,
+	TP_PROTO(u64 now, struct cfs_rq *cfs_rq, struct sched_entity *se),
+	TP_ARGS(now, cfs_rq, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_remove_entity_load_avg,
+	TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *se),
+	TP_ARGS(cfs_rq, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_blocked_fair,
+	TP_PROTO(struct rq *rq),
+	TP_ARGS(rq), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_rt_rq_load_avg,
+	TP_PROTO(u64 now, struct rq *rq, struct task_struct *tsk, int running),
+	TP_ARGS(now, rq, tsk, running), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_rq_clock_pelt,
+	TP_PROTO(struct rq *rq, s64 delta, bool *ret),
+	TP_ARGS(rq, delta, ret), 1);
+
+DECLARE_HOOK(android_vh_pidfd_open,
+	TP_PROTO(struct pid *p),
+	TP_ARGS(p));
+
+DECLARE_HOOK(android_vh_mmput,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused));
+
+DECLARE_HOOK(android_vh_rebuild_root_domains_bypass,
+	TP_PROTO(bool tasks_frozen, bool *bypass),
+	TP_ARGS(tasks_frozen, bypass));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_SCHED_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/scmi.h b/include/trace/hooks/scmi.h
new file mode 100644
index 0000000..d889d33
--- /dev/null
+++ b/include/trace/hooks/scmi.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM scmi
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SCMI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SCMI_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_scmi_timeout_sync,
+	TP_PROTO(int *timeout),
+	TP_ARGS(timeout));
+
+#endif /* _TRACE_HOOK_SCMI_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/selinux.h b/include/trace/hooks/selinux.h
new file mode 100644
index 0000000..ebd6187
--- /dev/null
+++ b/include/trace/hooks/selinux.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM selinux
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SELINUX_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SELINUX_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct selinux_state;
+DECLARE_HOOK(android_vh_selinux_is_initialized,
+	TP_PROTO(const struct selinux_state *state),
+	TP_ARGS(state));
+
+#endif /* _TRACE_HOOK_SELINUX_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/shmem_fs.h b/include/trace/hooks/shmem_fs.h
new file mode 100644
index 0000000..29c45d1e
--- /dev/null
+++ b/include/trace/hooks/shmem_fs.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM shmem_fs
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SHMEM_FS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SHMEM_FS_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct page;
+
+DECLARE_HOOK(android_vh_shmem_alloc_page,
+	TP_PROTO(struct page **page),
+	TP_ARGS(page));
+#endif /* _TRACE_HOOK_SHMEM_FS_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/signal.h b/include/trace/hooks/signal.h
new file mode 100644
index 0000000..6338274
--- /dev/null
+++ b/include/trace/hooks/signal.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM signal
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SIGNAL_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SIGNAL_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct task_struct;
+
+DECLARE_HOOK(android_vh_do_send_sig_info,
+	TP_PROTO(int sig, struct task_struct *killer, struct task_struct *dst),
+	TP_ARGS(sig, killer, dst));
+DECLARE_HOOK(android_vh_process_killed,
+	TP_PROTO(struct task_struct *task, bool *reap),
+	TP_ARGS(task, reap));
+#endif /* _TRACE_HOOK_SIGNAL_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/snd_compr.h b/include/trace/hooks/snd_compr.h
new file mode 100644
index 0000000..2e63aff
--- /dev/null
+++ b/include/trace/hooks/snd_compr.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM snd_compr
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SND_COMPR_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SND_COMPR_H
+
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+DECLARE_HOOK(android_vh_snd_compr_use_pause_in_drain,
+	TP_PROTO(bool *use_pause_in_drain, bool *leave_draining),
+	TP_ARGS(use_pause_in_drain, leave_draining));
+
+#endif /* _TRACE_HOOK_SND_COMPR_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/softlockup.h b/include/trace/hooks/softlockup.h
new file mode 100644
index 0000000..d9806ae
--- /dev/null
+++ b/include/trace/hooks/softlockup.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM softlockup
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SOFTLOCKUP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SOFTLOCKUP_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct pt_regs;
+
+DECLARE_HOOK(android_vh_watchdog_timer_softlockup,
+	TP_PROTO(int duration, struct pt_regs *regs, bool is_panic),
+	TP_ARGS(duration, regs, is_panic));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_SOFTLOCKUP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/sound.h b/include/trace/hooks/sound.h
new file mode 100644
index 0000000..3dfd589
--- /dev/null
+++ b/include/trace/hooks/sound.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sound
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SOUND_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SOUND_H
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/usb.h>
+
+DECLARE_HOOK(android_vh_sound_usb_support_cpu_suspend,
+	TP_PROTO(struct usb_device *udev,
+		int direction,
+		bool *is_support),
+	TP_ARGS(udev, direction, is_support));
+
+#endif /* _TRACE_HOOK_SOUND_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/suspend.h b/include/trace/hooks/suspend.h
new file mode 100644
index 0000000..6e78f3b
--- /dev/null
+++ b/include/trace/hooks/suspend.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM suspend
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SUSPEND_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SUSPEND_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_resume_begin,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused))
+DECLARE_HOOK(android_vh_resume_end,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused))
+DECLARE_HOOK(android_vh_early_resume_begin,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused))
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_SUSPEND_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/sys.h b/include/trace/hooks/sys.h
new file mode 100644
index 0000000..a14bd41
--- /dev/null
+++ b/include/trace/hooks/sys.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sys
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SYS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SYS_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct task_struct;
+
+DECLARE_HOOK(android_vh_syscall_prctl_finished,
+	TP_PROTO(int option, struct task_struct *task),
+	TP_ARGS(option, task));
+#endif
+
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/syscall_check.h b/include/trace/hooks/syscall_check.h
new file mode 100644
index 0000000..c906ff6
--- /dev/null
+++ b/include/trace/hooks/syscall_check.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM syscall_check
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SYSCALL_CHECK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SYSCALL_CHECK_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct file;
+union bpf_attr;
+
+DECLARE_HOOK(android_vh_check_mmap_file,
+	TP_PROTO(const struct file *file, unsigned long prot,
+		unsigned long flag, unsigned long ret),
+	TP_ARGS(file, prot, flag, ret));
+
+DECLARE_HOOK(android_vh_check_file_open,
+	TP_PROTO(const struct file *file),
+	TP_ARGS(file));
+
+DECLARE_HOOK(android_vh_check_bpf_syscall,
+	TP_PROTO(int cmd, const union bpf_attr *attr, unsigned int size),
+	TP_ARGS(cmd, attr, size));
+
+#endif /* _TRACE_HOOK_SYSCALL_CHECK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/sysrqcrash.h b/include/trace/hooks/sysrqcrash.h
new file mode 100644
index 0000000..0056322
--- /dev/null
+++ b/include/trace/hooks/sysrqcrash.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sysrqcrash
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SYSRQCRASH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SYSRQCRASH_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_sysrq_crash,
+	TP_PROTO(void *data),
+	TP_ARGS(data));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_SYSRQCRASH_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/thermal.h b/include/trace/hooks/thermal.h
new file mode 100644
index 0000000..9707472
--- /dev/null
+++ b/include/trace/hooks/thermal.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM thermal
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_THERMAL_H
+
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/cpufreq.h>
+
+struct thermal_zone_device;
+
+DECLARE_HOOK(android_vh_enable_thermal_genl_check,
+	TP_PROTO(int event, int tz_id, int *enable_thermal_genl),
+	TP_ARGS(event, tz_id, enable_thermal_genl));
+
+DECLARE_HOOK(android_vh_thermal_pm_notify_suspend,
+	     TP_PROTO(struct thermal_zone_device *tz, int *irq_wakeable),
+	     TP_ARGS(tz, irq_wakeable));
+
+DECLARE_HOOK(android_vh_modify_thermal_request_freq,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned long *request_freq),
+	TP_ARGS(policy, request_freq));
+
+DECLARE_HOOK(android_vh_modify_thermal_target_freq,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int *target_freq),
+	TP_ARGS(policy, target_freq));
+
+DECLARE_HOOK(android_vh_enable_thermal_power_throttle,
+	TP_PROTO(int *enable, int *override),
+	TP_ARGS(enable, override));
+
+DECLARE_HOOK(android_vh_thermal_power_cap,
+	TP_PROTO(u32 *power_range),
+	TP_ARGS(power_range));
+
+DECLARE_HOOK(android_vh_get_thermal_zone_device,
+	TP_PROTO(struct thermal_zone_device *tz),
+	TP_ARGS(tz));
+
+#endif /* _TRACE_HOOK_THERMAL_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/timer.h b/include/trace/hooks/timer.h
new file mode 100644
index 0000000..67ef865
--- /dev/null
+++ b/include/trace/hooks/timer.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM timer
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_TIMER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TIMER_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_timer_calc_index,
+	TP_PROTO(unsigned int lvl, unsigned long *expires),
+	TP_ARGS(lvl, expires));
+
+#endif /* _TRACE_HOOK_TIMER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/topology.h b/include/trace/hooks/topology.h
new file mode 100644
index 0000000..e924c97
--- /dev/null
+++ b/include/trace/hooks/topology.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM topology
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_TOPOLOGY_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TOPOLOGY_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+#ifdef __GENKSYMS__
+#include <linux/cpumask.h>
+#endif
+
+struct cpumask;
+
+DECLARE_HOOK(android_vh_arch_set_freq_scale,
+	TP_PROTO(const struct cpumask *cpus, unsigned long freq,
+		 unsigned long max, unsigned long *scale),
+	TP_ARGS(cpus, freq, max, scale));
+
+DECLARE_HOOK(android_vh_update_topology_flags_workfn,
+	TP_PROTO(void *unused),
+	TP_ARGS(unused));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_TOPOLOGY_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/traps.h b/include/trace/hooks/traps.h
new file mode 100644
index 0000000..f0ede1e
--- /dev/null
+++ b/include/trace/hooks/traps.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM traps
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_TRAPS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TRAPS_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct pt_regs;
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_undefinstr,
+	TP_PROTO(struct pt_regs *regs, bool user),
+	TP_ARGS(regs, user),
+	TP_CONDITION(!user));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_bad_mode,
+	TP_PROTO(struct pt_regs *regs, unsigned int esr, int reason),
+	TP_ARGS(regs, reason, esr), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_arm64_serror_panic,
+	TP_PROTO(struct pt_regs *regs, unsigned int esr),
+	TP_ARGS(regs, esr), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_TRAPS_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/typec.h b/include/trace/hooks/typec.h
new file mode 100644
index 0000000..e386f48
--- /dev/null
+++ b/include/trace/hooks/typec.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM typec
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_TYPEC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TYPEC_H
+#include <linux/usb/pd.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+/* Including ../drivers/usb/typec/tcpm/tcpci.h breaks builds. */
+struct tcpci_data;
+struct tcpci;
+struct tcpm_port;
+
+#ifndef TYPEC_TIMER
+#define TYPEC_TIMER
+enum typec_timer {
+	SINK_WAIT_CAP,
+	SOURCE_OFF,
+	CC_DEBOUNCE,
+	SINK_DISCOVERY_BC12,
+};
+#endif
+
+DECLARE_HOOK(android_vh_typec_tcpci_override_toggling,
+	TP_PROTO(struct tcpci *tcpci, struct tcpci_data *data, int *override_toggling),
+	TP_ARGS(tcpci, data, override_toggling));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_typec_tcpci_chk_contaminant,
+	TP_PROTO(struct tcpci *tcpci, struct tcpci_data *data, int *ret),
+	TP_ARGS(tcpci, data, ret), 1);
+
+/*
+ * This hook is for addressing hardware anomalies where TCPC_POWER_STATUS_VBUS_PRES bit can return 0
+ * even before falling below sSinkDisconnect threshold.
+ * Handler has to set bypass to override the value that would otherwise be returned by this
+ * function.
+ * Handler can set vbus or clear vbus to indicate vbus present or absent
+ */
+DECLARE_RESTRICTED_HOOK(android_rvh_typec_tcpci_get_vbus,
+	TP_PROTO(struct tcpci *tcpci, struct tcpci_data *data, int *vbus, int *bypass),
+	TP_ARGS(tcpci, data, vbus, bypass), 1);
+
+DECLARE_HOOK(android_vh_typec_tcpm_get_timer,
+	TP_PROTO(const char *state, enum typec_timer timer, unsigned int *msecs),
+	TP_ARGS(state, timer, msecs));
+
+DECLARE_HOOK(android_vh_typec_store_partner_src_caps,
+	TP_PROTO(struct tcpm_port *port, unsigned int *nr_source_caps,
+		 u32 (*source_caps)[PDO_MAX_OBJECTS]),
+	TP_ARGS(port, nr_source_caps, source_caps));
+
+DECLARE_HOOK(android_vh_typec_tcpm_adj_current_limit,
+	TP_PROTO(const char *state, u32 port_current_limit, u32 port_voltage, bool pd_capable,
+		  u32 *current_limit, bool *adjust),
+	TP_ARGS(state, port_current_limit, port_voltage, pd_capable, current_limit, adjust));
+
+DECLARE_HOOK(android_vh_typec_tcpm_log,
+	TP_PROTO(const char *log, bool *bypass),
+	TP_ARGS(log, bypass));
+
+DECLARE_HOOK(android_vh_typec_tcpm_modify_src_caps,
+	TP_PROTO(unsigned int *nr_src_pdo, u32 (*src_pdo)[PDO_MAX_OBJECTS], bool *modified),
+	TP_ARGS(nr_src_pdo, src_pdo, modified));
+
+#endif /* _TRACE_HOOK_TYPEC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/ufshcd.h b/include/trace/hooks/ufshcd.h
new file mode 100644
index 0000000..ad2c067
--- /dev/null
+++ b/include/trace/hooks/ufshcd.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ufshcd
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_UFSHCD_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_UFSHCD_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct ufs_hba;
+struct ufshcd_lrb;
+struct uic_command;
+struct request;
+struct scsi_device;
+
+DECLARE_HOOK(android_vh_ufs_fill_prdt,
+	TP_PROTO(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
+		 unsigned int segments, int *err),
+	TP_ARGS(hba, lrbp, segments, err));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_ufs_complete_init,
+			TP_PROTO(struct ufs_hba *hba),
+			TP_ARGS(hba), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_ufs_reprogram_all_keys,
+			TP_PROTO(struct ufs_hba *hba, int *err),
+			TP_ARGS(hba, err), 1);
+
+DECLARE_HOOK(android_vh_ufs_prepare_command,
+	TP_PROTO(struct ufs_hba *hba, struct request *rq,
+		 struct ufshcd_lrb *lrbp, int *err),
+	TP_ARGS(hba, rq, lrbp, err));
+
+DECLARE_HOOK(android_vh_ufs_update_sysfs,
+	TP_PROTO(struct ufs_hba *hba),
+	TP_ARGS(hba));
+
+DECLARE_HOOK(android_vh_ufs_send_command,
+	TP_PROTO(struct ufs_hba *hba, struct ufshcd_lrb *lrbp),
+	TP_ARGS(hba, lrbp));
+
+DECLARE_HOOK(android_vh_ufs_compl_command,
+	TP_PROTO(struct ufs_hba *hba, struct ufshcd_lrb *lrbp),
+	TP_ARGS(hba, lrbp));
+
+DECLARE_HOOK(android_vh_ufs_send_uic_command,
+	TP_PROTO(struct ufs_hba *hba, struct uic_command *ucmd,
+		 const char *str),
+	TP_ARGS(hba, ucmd, str));
+
+DECLARE_HOOK(android_vh_ufs_send_tm_command,
+	TP_PROTO(struct ufs_hba *hba, int tag, const char *str),
+	TP_ARGS(hba, tag, str));
+
+DECLARE_HOOK(android_vh_ufs_check_int_errors,
+	TP_PROTO(struct ufs_hba *hba, bool queue_eh_work),
+	TP_ARGS(hba, queue_eh_work));
+
+DECLARE_HOOK(android_vh_ufs_update_sdev,
+	TP_PROTO(struct scsi_device *sdev),
+	TP_ARGS(sdev));
+
+DECLARE_HOOK(android_vh_ufs_clock_scaling,
+	TP_PROTO(struct ufs_hba *hba, bool *force_out, bool *force_scaling, bool *scale_up),
+	TP_ARGS(hba, force_out, force_scaling, scale_up));
+#endif /* _TRACE_HOOK_UFSHCD_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/usb.h b/include/trace/hooks/usb.h
new file mode 100644
index 0000000..3a22a29
--- /dev/null
+++ b/include/trace/hooks/usb.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM usb
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_USB_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_USB_H
+#include <trace/hooks/vendor_hooks.h>
+
+#ifdef __GENKSYMS__
+#include <linux/usb.h>
+#endif
+
+struct usb_device;
+
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+DECLARE_HOOK(android_vh_usb_dev_suspend,
+	TP_PROTO(struct usb_device *udev, pm_message_t msg, int *bypass),
+	TP_ARGS(udev, msg, bypass));
+
+DECLARE_HOOK(android_vh_usb_dev_resume,
+	TP_PROTO(struct usb_device *udev, pm_message_t msg, int *bypass),
+	TP_ARGS(udev, msg, bypass));
+
+#endif /* _TRACE_HOOK_USB_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/user.h b/include/trace/hooks/user.h
new file mode 100644
index 0000000..1a41c12
--- /dev/null
+++ b/include/trace/hooks/user.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM user
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_USER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_USER_H
+#include <trace/hooks/vendor_hooks.h>
+
+struct user_struct;
+
+DECLARE_HOOK(android_vh_alloc_uid,
+	TP_PROTO(struct user_struct *user),
+	TP_ARGS(user));
+
+DECLARE_HOOK(android_vh_free_user,
+	TP_PROTO(struct user_struct *up),
+	TP_ARGS(up));
+
+#endif /* _TRACE_HOOK_USER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/v4l2core.h b/include/trace/hooks/v4l2core.h
new file mode 100644
index 0000000..e209621
--- /dev/null
+++ b/include/trace/hooks/v4l2core.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM v4l2core
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_V4L2CORE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_V4L2_CORE_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct v4l2_subdev;
+struct v4l2_subdev_pad_config;
+struct v4l2_subdev_format;
+struct v4l2_subdev_frame_interval;
+struct v4l2_subdev_selection;
+struct v4l2_fmtdesc;
+struct v4l2_format;
+
+DECLARE_HOOK(android_vh_clear_reserved_fmt_fields,
+	TP_PROTO(struct v4l2_format *fmt, int *ret),
+	TP_ARGS(fmt, ret));
+
+DECLARE_HOOK(android_vh_fill_ext_fmtdesc,
+	TP_PROTO(struct v4l2_fmtdesc *fmtd, const char **descr),
+	TP_ARGS(fmtd, descr));
+
+DECLARE_HOOK(android_vh_clear_mask_adjust,
+	TP_PROTO(unsigned int ctrl, int *n),
+	TP_ARGS(ctrl, n));
+
+DECLARE_HOOK(android_vh_v4l2subdev_set_selection,
+	TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *pad,
+	struct v4l2_subdev_selection *sel, int *ret),
+	TP_ARGS(sd, pad, sel, ret));
+
+DECLARE_HOOK(android_vh_v4l2subdev_set_fmt,
+	TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *pad,
+	struct v4l2_subdev_format *format, int *ret),
+	TP_ARGS(sd, pad, format, ret));
+
+DECLARE_HOOK(android_vh_v4l2subdev_set_frame_interval,
+	TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *fi,
+	int *ret),
+	TP_ARGS(sd, fi, ret));
+
+#endif /* _TRACE_HOOK_V4L2CORE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/v4l2mc.h b/include/trace/hooks/v4l2mc.h
new file mode 100644
index 0000000..cafc74f
--- /dev/null
+++ b/include/trace/hooks/v4l2mc.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM v4l2mc
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_V4L2MC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_V4L2MC_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+struct media_link;
+struct media_link_desc;
+
+DECLARE_HOOK(android_vh_media_device_setup_link,
+	TP_PROTO(struct media_link *link, struct media_link_desc *linkd, int *ret),
+	TP_ARGS(link, linkd, ret));
+
+#endif /* _TRACE_HOOK_V4L2MC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/vendor_hooks.h b/include/trace/hooks/vendor_hooks.h
new file mode 100644
index 0000000..a283509
--- /dev/null
+++ b/include/trace/hooks/vendor_hooks.h
@@ -0,0 +1,116 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * Note: we intentionally omit include file ifdef protection
+ *  This is due to the way trace events work. If a file includes two
+ *  trace event headers under one "CREATE_TRACE_POINTS" the first include
+ *  will override the DECLARE_RESTRICTED_HOOK and break the second include.
+ */
+
+#ifndef __GENKSYMS__
+#include <linux/tracepoint.h>
+#endif
+
+#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
+
+#define DECLARE_HOOK DECLARE_TRACE
+
+int android_rvh_probe_register(struct tracepoint *tp, void *probe, void *data);
+
+#ifdef TRACE_HEADER_MULTI_READ
+
+#define DEFINE_HOOK_FN(_name, _reg, _unreg, proto, args)		\
+	static const char __tpstrtab_##_name[]				\
+	__section("__tracepoints_strings") = #_name;			\
+	extern struct static_call_key STATIC_CALL_KEY(tp_func_##_name);	\
+	int __traceiter_##_name(void *__data, proto);			\
+	struct tracepoint __tracepoint_##_name	__used			\
+	__section("__tracepoints") = {					\
+		.name = __tpstrtab_##_name,				\
+		.key = STATIC_KEY_INIT_FALSE,				\
+		.static_call_key = &STATIC_CALL_KEY(tp_func_##_name),	\
+		.static_call_tramp = STATIC_CALL_TRAMP_ADDR(tp_func_##_name), \
+		.iterator = &__traceiter_##_name,			\
+		.regfunc = _reg,					\
+		.unregfunc = _unreg,					\
+		.funcs = NULL };					\
+	__TRACEPOINT_ENTRY(_name);					\
+	int __traceiter_##_name(void *__data, proto)			\
+	{								\
+		struct tracepoint_func *it_func_ptr;			\
+		void *it_func;						\
+									\
+		it_func_ptr = (&__tracepoint_##_name)->funcs;		\
+		it_func = (it_func_ptr)->func;				\
+		do {							\
+			__data = (it_func_ptr)->data;			\
+			((void(*)(void *, proto))(it_func))(__data, args); \
+			it_func = READ_ONCE((++it_func_ptr)->func);	\
+		} while (it_func);					\
+		return 0;						\
+	}								\
+	DEFINE_STATIC_CALL(tp_func_##_name, __traceiter_##_name);
+
+#undef DECLARE_RESTRICTED_HOOK
+#define DECLARE_RESTRICTED_HOOK(name, proto, args, cond) \
+	DEFINE_HOOK_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args))
+
+/* prevent additional recursion */
+#undef TRACE_HEADER_MULTI_READ
+#else /* TRACE_HEADER_MULTI_READ */
+
+#define DO_HOOK(name, proto, args, cond)				\
+	do {								\
+		struct tracepoint_func *it_func_ptr;			\
+		void *__data;						\
+									\
+		if (!(cond))						\
+			return;						\
+									\
+		it_func_ptr = (&__tracepoint_##name)->funcs;		\
+		if (it_func_ptr) {					\
+			__data = (it_func_ptr)->data;			\
+			__DO_TRACE_CALL(name)(args);			\
+		}							\
+	} while (0)
+
+#define __DECLARE_HOOK(name, proto, args, cond, data_proto, data_args)	\
+	extern int __traceiter_##name(data_proto);			\
+	DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name);	\
+	extern struct tracepoint __tracepoint_##name;			\
+	static inline void __nocfi trace_##name(proto)			\
+	{								\
+		if (static_key_false(&__tracepoint_##name.key))		\
+			DO_HOOK(name,					\
+				TP_PROTO(data_proto),			\
+				TP_ARGS(data_args),			\
+				TP_CONDITION(cond));			\
+	}								\
+	static inline bool						\
+	trace_##name##_enabled(void)					\
+	{								\
+		return static_key_false(&__tracepoint_##name.key);	\
+	}								\
+	static inline int						\
+	register_trace_##name(void (*probe)(data_proto), void *data) 	\
+	{								\
+		return android_rvh_probe_register(&__tracepoint_##name,	\
+						  (void *)probe, data);	\
+	}								\
+	/* vendor hooks cannot be unregistered */			\
+
+#undef DECLARE_RESTRICTED_HOOK
+#define DECLARE_RESTRICTED_HOOK(name, proto, args, cond)		\
+	__DECLARE_HOOK(name, PARAMS(proto), PARAMS(args),		\
+			cond,						\
+			PARAMS(void *__data, proto),			\
+			PARAMS(__data, args))
+
+#endif /* TRACE_HEADER_MULTI_READ */
+
+#else /* !CONFIG_TRACEPOINTS || !CONFIG_ANDROID_VENDOR_HOOKS */
+/* suppress trace hooks */
+#define DECLARE_HOOK DECLARE_EVENT_NOP
+#define DECLARE_RESTRICTED_HOOK(name, proto, args, cond)		\
+	DECLARE_EVENT_NOP(name, PARAMS(proto), PARAMS(args))
+#endif
diff --git a/include/trace/hooks/vmscan.h b/include/trace/hooks/vmscan.h
new file mode 100644
index 0000000..d3da5747
--- /dev/null
+++ b/include/trace/hooks/vmscan.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM vmscan
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_VMSCAN_H
+
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_tune_scan_type,
+	TP_PROTO(char *scan_type),
+	TP_ARGS(scan_type));
+DECLARE_HOOK(android_vh_tune_swappiness,
+	TP_PROTO(int *swappiness),
+	TP_ARGS(swappiness));
+DECLARE_HOOK(android_vh_shrink_slab_bypass,
+	TP_PROTO(gfp_t gfp_mask, int nid, struct mem_cgroup *memcg, int priority, bool *bypass),
+	TP_ARGS(gfp_mask, nid, memcg, priority, bypass));
+DECLARE_HOOK(android_vh_tune_inactive_ratio,
+	TP_PROTO(unsigned long *inactive_ratio, int file),
+	TP_ARGS(inactive_ratio, file))
+DECLARE_HOOK(android_vh_do_shrink_slab,
+	TP_PROTO(struct shrinker *shrinker, struct shrink_control *shrinkctl, int priority),
+	TP_ARGS(shrinker, shrinkctl, priority));
+DECLARE_RESTRICTED_HOOK(android_rvh_set_balance_anon_file_reclaim,
+			TP_PROTO(bool *balance_anon_file_reclaim),
+			TP_ARGS(balance_anon_file_reclaim), 1);
+DECLARE_HOOK(android_vh_tune_memcg_scan_type,
+	TP_PROTO(struct mem_cgroup *memcg, char *scan_type),
+	TP_ARGS(memcg, scan_type));
+#endif /* _TRACE_HOOK_VMSCAN_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/workqueue.h b/include/trace/hooks/workqueue.h
new file mode 100644
index 0000000..284b3ff8
--- /dev/null
+++ b/include/trace/hooks/workqueue.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM workqueue
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_WORKQUEUE_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct worker;
+
+DECLARE_HOOK(android_vh_create_worker,
+	TP_PROTO(struct worker *worker, struct workqueue_attrs *attrs),
+	TP_ARGS(worker, attrs));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_WORKQUEUE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/wqlockup.h b/include/trace/hooks/wqlockup.h
new file mode 100644
index 0000000..2572ebf
--- /dev/null
+++ b/include/trace/hooks/wqlockup.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM wqlockup
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_WQLOCKUP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_WQLOCKUP_H
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_wq_lockup_pool,
+	TP_PROTO(int cpu, unsigned long pool_ts),
+	TP_ARGS(cpu, pool_ts));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_WQLOCKUP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h
index 29917bce..717d388 100644
--- a/include/trace/trace_events.h
+++ b/include/trace/trace_events.h
@@ -364,7 +364,7 @@
 	if (ret != TRACE_TYPE_HANDLED)					\
 		return ret;						\
 									\
-	trace_event_printf(iter, print);				\
+	trace_seq_printf(s, print);					\
 									\
 	return trace_handle_return(s);					\
 }									\
diff --git a/include/uapi/asm-generic/signal-defs.h b/include/uapi/asm-generic/signal-defs.h
index e9304c9..fe929e7 100644
--- a/include/uapi/asm-generic/signal-defs.h
+++ b/include/uapi/asm-generic/signal-defs.h
@@ -4,6 +4,69 @@
 
 #include <linux/compiler.h>
 
+/*
+ * SA_FLAGS values:
+ *
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_SIGINFO delivers the signal with SIGINFO structs.
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_UNSUPPORTED is a flag bit that will never be supported. Kernels from
+ * before the introduction of SA_UNSUPPORTED did not clear unknown bits from
+ * sa_flags when read using the oldact argument to sigaction and rt_sigaction,
+ * so this bit allows flag bit support to be detected from userspace while
+ * allowing an old kernel to be distinguished from a kernel that supports every
+ * flag bit.
+ * SA_EXPOSE_TAGBITS exposes an architecture-defined set of tag bits in
+ * siginfo.si_addr.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#ifndef SA_NOCLDSTOP
+#define SA_NOCLDSTOP	0x00000001
+#endif
+#ifndef SA_NOCLDWAIT
+#define SA_NOCLDWAIT	0x00000002
+#endif
+#ifndef SA_SIGINFO
+#define SA_SIGINFO	0x00000004
+#endif
+/* 0x00000008 used on alpha, mips, parisc */
+/* 0x00000010 used on alpha, parisc */
+/* 0x00000020 used on alpha, parisc, sparc */
+/* 0x00000040 used on alpha, parisc */
+/* 0x00000080 used on parisc */
+/* 0x00000100 used on sparc */
+/* 0x00000200 used on sparc */
+#define SA_UNSUPPORTED	0x00000400
+#define SA_EXPOSE_TAGBITS	0x00000800
+/* 0x00010000 used on mips */
+/* 0x01000000 used on x86 */
+/* 0x02000000 used on x86 */
+/*
+ * New architectures should not define the obsolete
+ *	SA_RESTORER	0x04000000
+ */
+#ifndef SA_ONSTACK
+#define SA_ONSTACK	0x08000000
+#endif
+#ifndef SA_RESTART
+#define SA_RESTART	0x10000000
+#endif
+#ifndef SA_NODEFER
+#define SA_NODEFER	0x40000000
+#endif
+#ifndef SA_RESETHAND
+#define SA_RESETHAND	0x80000000
+#endif
+
+#define SA_NOMASK	SA_NODEFER
+#define SA_ONESHOT	SA_RESETHAND
+
 #ifndef SIG_BLOCK
 #define SIG_BLOCK          0	/* for blocking signals */
 #endif
diff --git a/include/uapi/asm-generic/signal.h b/include/uapi/asm-generic/signal.h
index 5c716a9..f634822 100644
--- a/include/uapi/asm-generic/signal.h
+++ b/include/uapi/asm-generic/signal.h
@@ -52,35 +52,6 @@
 #define SIGRTMAX	_NSIG
 #endif
 
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
-/*
- * New architectures should not define the obsolete
- *	SA_RESTORER	0x04000000
- */
-
 #if !defined MINSIGSTKSZ || !defined SIGSTKSZ
 #define MINSIGSTKSZ	2048
 #define SIGSTKSZ	8192
diff --git a/include/uapi/asm-generic/socket.h b/include/uapi/asm-generic/socket.h
index 77f7c16..6456068 100644
--- a/include/uapi/asm-generic/socket.h
+++ b/include/uapi/asm-generic/socket.h
@@ -119,6 +119,8 @@
 
 #define SO_DETACH_REUSEPORT_BPF 68
 
+#define SO_NETNS_COOKIE		71
+
 #if !defined(__KERNEL__)
 
 #if __BITS_PER_LONG == 64 || (defined(__x86_64__) && defined(__ILP32__))
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 2056318..f7b735d 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -859,9 +859,11 @@
 __SYSCALL(__NR_faccessat2, sys_faccessat2)
 #define __NR_process_madvise 440
 __SYSCALL(__NR_process_madvise, sys_process_madvise)
+#define __NR_process_mrelease 448
+__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
 
 #undef __NR_syscalls
-#define __NR_syscalls 441
+#define __NR_syscalls 449
 
 /*
  * 32 bit systems traditionally used different
diff --git a/include/uapi/linux/android/binder.h b/include/uapi/linux/android/binder.h
index ec84ad1..7badb67 100644
--- a/include/uapi/linux/android/binder.h
+++ b/include/uapi/linux/android/binder.h
@@ -38,11 +38,59 @@
 	BINDER_TYPE_PTR		= B_PACK_CHARS('p', 't', '*', B_TYPE_LARGE),
 };
 
-enum {
+/**
+ * enum flat_binder_object_shifts: shift values for flat_binder_object_flags
+ * @FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT: shift for getting scheduler policy.
+ *
+ */
+enum flat_binder_object_shifts {
+	FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT = 9,
+};
+
+/**
+ * enum flat_binder_object_flags - flags for use in flat_binder_object.flags
+ */
+enum flat_binder_object_flags {
+	/**
+	 * @FLAT_BINDER_FLAG_PRIORITY_MASK: bit-mask for min scheduler priority
+	 *
+	 * These bits can be used to set the minimum scheduler priority
+	 * at which transactions into this node should run. Valid values
+	 * in these bits depend on the scheduler policy encoded in
+	 * @FLAT_BINDER_FLAG_SCHED_POLICY_MASK.
+	 *
+	 * For SCHED_NORMAL/SCHED_BATCH, the valid range is between [-20..19]
+	 * For SCHED_FIFO/SCHED_RR, the value can run between [1..99]
+	 */
 	FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff,
+	/**
+	 * @FLAT_BINDER_FLAG_ACCEPTS_FDS: whether the node accepts fds.
+	 */
 	FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100,
 
 	/**
+	 * @FLAT_BINDER_FLAG_SCHED_POLICY_MASK: bit-mask for scheduling policy
+	 *
+	 * These two bits can be used to set the min scheduling policy at which
+	 * transactions on this node should run. These match the UAPI
+	 * scheduler policy values, eg:
+	 * 00b: SCHED_NORMAL
+	 * 01b: SCHED_FIFO
+	 * 10b: SCHED_RR
+	 * 11b: SCHED_BATCH
+	 */
+	FLAT_BINDER_FLAG_SCHED_POLICY_MASK =
+		3U << FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT,
+
+	/**
+	 * @FLAT_BINDER_FLAG_INHERIT_RT: whether the node inherits RT policy
+	 *
+	 * Only when set, calls into this node will inherit a real-time
+	 * scheduling policy from the caller (for synchronous transactions).
+	 */
+	FLAT_BINDER_FLAG_INHERIT_RT = 0x800,
+
+	/**
 	 * @FLAT_BINDER_FLAG_TXN_SECURITY_CTX: request security contexts
 	 *
 	 * Only when set, causes senders to include their security
@@ -217,6 +265,25 @@
 	__u32            reserved3;
 };
 
+struct binder_freeze_info {
+	__u32            pid;
+	__u32            enable;
+	__u32            timeout_ms;
+};
+
+struct binder_frozen_status_info {
+	__u32            pid;
+
+	/* process received sync transactions since last frozen
+	 * bit 0: received sync transaction after being frozen
+	 * bit 1: new pending sync transaction during freezing
+	 */
+	__u32            sync_recv;
+
+	/* process received async transactions since last frozen */
+	__u32            async_recv;
+};
+
 #define BINDER_WRITE_READ		_IOWR('b', 1, struct binder_write_read)
 #define BINDER_SET_IDLE_TIMEOUT		_IOW('b', 3, __s64)
 #define BINDER_SET_MAX_THREADS		_IOW('b', 5, __u32)
@@ -227,6 +294,9 @@
 #define BINDER_GET_NODE_DEBUG_INFO	_IOWR('b', 11, struct binder_node_debug_info)
 #define BINDER_GET_NODE_INFO_FOR_REF	_IOWR('b', 12, struct binder_node_info_for_ref)
 #define BINDER_SET_CONTEXT_MGR_EXT	_IOW('b', 13, struct flat_binder_object)
+#define BINDER_FREEZE			_IOW('b', 14, struct binder_freeze_info)
+#define BINDER_GET_FROZEN_INFO		_IOWR('b', 15, struct binder_frozen_status_info)
+#define BINDER_ENABLE_ONEWAY_SPAM_DETECTION	_IOW('b', 16, __u32)
 
 /*
  * NOTE: Two special error codes you should check for when calling
@@ -249,6 +319,7 @@
 	TF_STATUS_CODE	= 0x08,	/* contents are a 32-bit status code */
 	TF_ACCEPT_FDS	= 0x10,	/* allow replies with file descriptors */
 	TF_CLEAR_BUF	= 0x20,	/* clear buffer on txn complete */
+	TF_UPDATE_TXN	= 0x40,	/* update the outdated pending async txn */
 };
 
 struct binder_transaction_data {
@@ -408,6 +479,19 @@
 	 * The last transaction (either a bcTRANSACTION or
 	 * a bcATTEMPT_ACQUIRE) failed (e.g. out of memory).  No parameters.
 	 */
+
+	BR_FROZEN_REPLY = _IO('r', 18),
+	/*
+	 * The target of the last transaction (either a bcTRANSACTION or
+	 * a bcATTEMPT_ACQUIRE) is frozen.  No parameters.
+	 */
+
+	BR_ONEWAY_SPAM_SUSPECT = _IO('r', 19),
+	/*
+	 * Current process sent too many oneway calls to target, and the last
+	 * asynchronous transaction makes the allocated async buffer size exceed
+	 * detection threshold.  No parameters.
+	 */
 };
 
 enum binder_driver_command_protocol {
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 29cc0eb..f5ea2a5 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -199,6 +199,7 @@
 	BPF_PROG_TYPE_EXT,
 	BPF_PROG_TYPE_LSM,
 	BPF_PROG_TYPE_SK_LOOKUP,
+	BPF_PROG_TYPE_FUSE,
 };
 
 enum bpf_attach_type {
diff --git a/include/uapi/linux/capability.h b/include/uapi/linux/capability.h
index 43a4453..9ae1b3a 100644
--- a/include/uapi/linux/capability.h
+++ b/include/uapi/linux/capability.h
@@ -288,8 +288,6 @@
    processes and setting the scheduling algorithm used by another
    process. */
 /* Allow setting cpu affinity on other processes */
-/* Allow setting realtime ioprio class */
-/* Allow setting ioprio class on other processes */
 
 #define CAP_SYS_NICE         23
 
diff --git a/include/uapi/linux/close_range.h b/include/uapi/linux/close_range.h
index 6928a9f..2d80428 100644
--- a/include/uapi/linux/close_range.h
+++ b/include/uapi/linux/close_range.h
@@ -5,5 +5,8 @@
 /* Unshare the file descriptor table before closing file descriptors. */
 #define CLOSE_RANGE_UNSHARE	(1U << 1)
 
+/* Set the FD_CLOEXEC bit instead of closing the file descriptor. */
+#define CLOSE_RANGE_CLOEXEC	(1U << 2)
+
 #endif /* _UAPI_LINUX_CLOSE_RANGE_H */
 
diff --git a/include/uapi/linux/const.h b/include/uapi/linux/const.h
index a429381..af2a44c 100644
--- a/include/uapi/linux/const.h
+++ b/include/uapi/linux/const.h
@@ -28,7 +28,7 @@
 #define _BITUL(x)	(_UL(1) << (x))
 #define _BITULL(x)	(_ULL(1) << (x))
 
-#define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (__typeof__(x))(a) - 1)
+#define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
 #define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
 
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h
index 4933b6b..fcff666 100644
--- a/include/uapi/linux/dm-ioctl.h
+++ b/include/uapi/linux/dm-ioctl.h
@@ -272,9 +272,9 @@
 #define DM_DEV_SET_GEOMETRY	_IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
 
 #define DM_VERSION_MAJOR	4
-#define DM_VERSION_MINOR	43
+#define DM_VERSION_MINOR	44
 #define DM_VERSION_PATCHLEVEL	0
-#define DM_VERSION_EXTRA	"-ioctl (2020-10-01)"
+#define DM_VERSION_EXTRA	"-ioctl (2021-02-01)"
 
 /* Status bits */
 #define DM_READONLY_FLAG	(1 << 0) /* In/Out */
diff --git a/include/uapi/linux/dm-user.h b/include/uapi/linux/dm-user.h
new file mode 100644
index 0000000..6d8f535b
--- /dev/null
+++ b/include/uapi/linux/dm-user.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2020 Google, Inc
+ * Copyright (C) 2020 Palmer Dabbelt <palmerdabbelt@google.com>
+ */
+
+#ifndef _LINUX_DM_USER_H
+#define _LINUX_DM_USER_H
+
+#include <linux/types.h>
+
+/*
+ * dm-user proxies device mapper ops between the kernel and userspace.  It's
+ * essentially just an RPC mechanism: all kernel calls create a request,
+ * userspace handles that with a response.  Userspace obtains requests via
+ * read() and provides responses via write().
+ *
+ * See Documentation/block/dm-user.rst for more information.
+ */
+
+#define DM_USER_REQ_MAP_READ 0
+#define DM_USER_REQ_MAP_WRITE 1
+#define DM_USER_REQ_MAP_FLUSH 2
+#define DM_USER_REQ_MAP_DISCARD 3
+#define DM_USER_REQ_MAP_SECURE_ERASE 4
+#define DM_USER_REQ_MAP_WRITE_SAME 5
+#define DM_USER_REQ_MAP_WRITE_ZEROES 6
+#define DM_USER_REQ_MAP_ZONE_OPEN 7
+#define DM_USER_REQ_MAP_ZONE_CLOSE 8
+#define DM_USER_REQ_MAP_ZONE_FINISH 9
+#define DM_USER_REQ_MAP_ZONE_APPEND 10
+#define DM_USER_REQ_MAP_ZONE_RESET 11
+#define DM_USER_REQ_MAP_ZONE_RESET_ALL 12
+
+#define DM_USER_REQ_MAP_FLAG_FAILFAST_DEV 0x00001
+#define DM_USER_REQ_MAP_FLAG_FAILFAST_TRANSPORT 0x00002
+#define DM_USER_REQ_MAP_FLAG_FAILFAST_DRIVER 0x00004
+#define DM_USER_REQ_MAP_FLAG_SYNC 0x00008
+#define DM_USER_REQ_MAP_FLAG_META 0x00010
+#define DM_USER_REQ_MAP_FLAG_PRIO 0x00020
+#define DM_USER_REQ_MAP_FLAG_NOMERGE 0x00040
+#define DM_USER_REQ_MAP_FLAG_IDLE 0x00080
+#define DM_USER_REQ_MAP_FLAG_INTEGRITY 0x00100
+#define DM_USER_REQ_MAP_FLAG_FUA 0x00200
+#define DM_USER_REQ_MAP_FLAG_PREFLUSH 0x00400
+#define DM_USER_REQ_MAP_FLAG_RAHEAD 0x00800
+#define DM_USER_REQ_MAP_FLAG_BACKGROUND 0x01000
+#define DM_USER_REQ_MAP_FLAG_NOWAIT 0x02000
+#define DM_USER_REQ_MAP_FLAG_CGROUP_PUNT 0x04000
+#define DM_USER_REQ_MAP_FLAG_NOUNMAP 0x08000
+#define DM_USER_REQ_MAP_FLAG_HIPRI 0x10000
+#define DM_USER_REQ_MAP_FLAG_DRV 0x20000
+#define DM_USER_REQ_MAP_FLAG_SWAP 0x40000
+
+#define DM_USER_RESP_SUCCESS 0
+#define DM_USER_RESP_ERROR 1
+#define DM_USER_RESP_UNSUPPORTED 2
+
+struct dm_user_message {
+	__u64 seq;
+	__u64 type;
+	__u64 flags;
+	__u64 sector;
+	__u64 len;
+	__u8 buf[];
+};
+
+#endif
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index 30f68b4..61bf477 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -426,6 +426,7 @@
 #define NT_ARM_PACA_KEYS	0x407	/* ARM pointer authentication address keys */
 #define NT_ARM_PACG_KEYS	0x408	/* ARM pointer authentication generic key */
 #define NT_ARM_TAGGED_ADDR_CTRL	0x409	/* arm64 tagged address control (prctl()) */
+#define NT_ARM_PAC_ENABLED_KEYS	0x40a	/* arm64 ptr auth enabled keys (prctl()) */
 #define NT_ARC_V2	0x600		/* ARCv2 accumulator/extra registers */
 #define NT_VMCOREDD	0x700		/* Vmcore Device Dump Note */
 #define NT_MIPS_DSP	0x800		/* MIPS DSP ASE registers */
diff --git a/include/uapi/linux/f2fs.h b/include/uapi/linux/f2fs.h
index 28bcfe8..352a822 100644
--- a/include/uapi/linux/f2fs.h
+++ b/include/uapi/linux/f2fs.h
@@ -36,6 +36,12 @@
 					_IOR(F2FS_IOCTL_MAGIC, 19, __u64)
 #define F2FS_IOC_SEC_TRIM_FILE		_IOW(F2FS_IOCTL_MAGIC, 20,	\
 						struct f2fs_sectrim_range)
+#define F2FS_IOC_GET_COMPRESS_OPTION	_IOR(F2FS_IOCTL_MAGIC, 21,	\
+						struct f2fs_comp_option)
+#define F2FS_IOC_SET_COMPRESS_OPTION	_IOW(F2FS_IOCTL_MAGIC, 22,	\
+						struct f2fs_comp_option)
+#define F2FS_IOC_DECOMPRESS_FILE	_IO(F2FS_IOCTL_MAGIC, 23)
+#define F2FS_IOC_COMPRESS_FILE		_IO(F2FS_IOCTL_MAGIC, 24)
 
 /*
  * should be same as XFS_IOC_GOINGDOWN.
@@ -84,4 +90,9 @@
 	__u64 flags;
 };
 
+struct f2fs_comp_option {
+	__u8 algorithm;
+	__u8 log_cluster_size;
+};
+
 #endif /* _UAPI_LINUX_F2FS_H */
diff --git a/include/uapi/linux/fscrypt.h b/include/uapi/linux/fscrypt.h
index 9f4428b..fceafb5 100644
--- a/include/uapi/linux/fscrypt.h
+++ b/include/uapi/linux/fscrypt.h
@@ -124,7 +124,10 @@
 	struct fscrypt_key_specifier key_spec;
 	__u32 raw_size;
 	__u32 key_id;
-	__u32 __reserved[8];
+	__u32 __reserved[7];
+	/* N.B.: "temporary" flag, not reserved upstream */
+#define __FSCRYPT_ADD_KEY_FLAG_HW_WRAPPED		0x00000001
+	__u32 __flags;
 	__u8 raw[];
 };
 
diff --git a/include/uapi/linux/fsverity.h b/include/uapi/linux/fsverity.h
index da0daf6..15384e2 100644
--- a/include/uapi/linux/fsverity.h
+++ b/include/uapi/linux/fsverity.h
@@ -34,7 +34,70 @@
 	__u8 digest[];
 };
 
+/*
+ * Struct containing a file's Merkle tree properties.  The fs-verity file digest
+ * is the hash of this struct.  A userspace program needs this struct only if it
+ * needs to compute fs-verity file digests itself, e.g. in order to sign files.
+ * It isn't needed just to enable fs-verity on a file.
+ *
+ * Note: when computing the file digest, 'sig_size' and 'signature' must be left
+ * zero and empty, respectively.  These fields are present only because some
+ * filesystems reuse this struct as part of their on-disk format.
+ */
+struct fsverity_descriptor {
+	__u8 version;		/* must be 1 */
+	__u8 hash_algorithm;	/* Merkle tree hash algorithm */
+	__u8 log_blocksize;	/* log2 of size of data and tree blocks */
+	__u8 salt_size;		/* size of salt in bytes; 0 if none */
+#ifdef __KERNEL__
+	__le32 sig_size;
+#else
+	__le32 __reserved_0x04;	/* must be 0 */
+#endif
+	__le64 data_size;	/* size of file the Merkle tree is built over */
+	__u8 root_hash[64];	/* Merkle tree root hash */
+	__u8 salt[32];		/* salt prepended to each hashed block */
+	__u8 __reserved[144];	/* must be 0's */
+#ifdef __KERNEL__
+	__u8 signature[];
+#endif
+};
+
+/*
+ * Format in which fs-verity file digests are signed in built-in signatures.
+ * This is the same as 'struct fsverity_digest', except here some magic bytes
+ * are prepended to provide some context about what is being signed in case the
+ * same key is used for non-fsverity purposes, and here the fields have fixed
+ * endianness.
+ *
+ * This struct is specific to the built-in signature verification support, which
+ * is optional.  fs-verity users may also verify signatures in userspace, in
+ * which case userspace is responsible for deciding on what bytes are signed.
+ * This struct may still be used, but it doesn't have to be.  For example,
+ * userspace could instead use a string like "sha256:$digest_as_hex_string".
+ */
+struct fsverity_formatted_digest {
+	char magic[8];			/* must be "FSVerity" */
+	__le16 digest_algorithm;
+	__le16 digest_size;
+	__u8 digest[];
+};
+
+#define FS_VERITY_METADATA_TYPE_MERKLE_TREE	1
+#define FS_VERITY_METADATA_TYPE_DESCRIPTOR	2
+#define FS_VERITY_METADATA_TYPE_SIGNATURE	3
+
+struct fsverity_read_metadata_arg {
+	__u64 metadata_type;
+	__u64 offset;
+	__u64 length;
+	__u64 buf_ptr;
+	__u64 __reserved;
+};
+
 #define FS_IOC_ENABLE_VERITY	_IOW('f', 133, struct fsverity_enable_arg)
 #define FS_IOC_MEASURE_VERITY	_IOWR('f', 134, struct fsverity_digest)
+#define FS_IOC_READ_VERITY_METADATA \
+	_IOWR('f', 135, struct fsverity_read_metadata_arg)
 
 #endif /* _UAPI_LINUX_FSVERITY_H */
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 7233502..1ee26321b 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -349,6 +349,7 @@
 #define FUSE_EXPLICIT_INVAL_DATA (1 << 25)
 #define FUSE_MAP_ALIGNMENT	(1 << 26)
 #define FUSE_SUBMOUNTS		(1 << 27)
+#define FUSE_PASSTHROUGH	(1 << 31)
 
 /**
  * CUSE INIT request/reply flags
@@ -479,6 +480,7 @@
 	FUSE_COPY_FILE_RANGE	= 47,
 	FUSE_SETUPMAPPING	= 48,
 	FUSE_REMOVEMAPPING	= 49,
+	FUSE_CANONICAL_PATH	= 2016,
 
 	/* CUSE specific operations */
 	CUSE_INIT		= 4096,
@@ -514,6 +516,23 @@
 	struct fuse_attr attr;
 };
 
+#define FUSE_ACTION_KEEP	0
+#define FUSE_ACTION_REMOVE	1
+#define FUSE_ACTION_REPLACE	2
+
+struct fuse_entry_bpf_out {
+	uint64_t	backing_action;
+	uint64_t	backing_fd;
+	uint64_t	bpf_action;
+	uint64_t	bpf_fd;
+};
+
+struct fuse_entry_bpf {
+	struct fuse_entry_bpf_out out;
+	struct file *backing_file;
+	struct file *bpf_file;
+};
+
 struct fuse_forget_in {
 	uint64_t	nlookup;
 };
@@ -605,7 +624,7 @@
 struct fuse_open_out {
 	uint64_t	fh;
 	uint32_t	open_flags;
-	uint32_t	padding;
+	uint32_t	passthrough_fh;
 };
 
 struct fuse_release_in {
@@ -632,6 +651,12 @@
 	uint32_t	padding;
 };
 
+struct fuse_read_out {
+	uint64_t	offset;
+	uint32_t	again;
+	uint32_t	padding;
+};
+
 #define FUSE_COMPAT_WRITE_IN_SIZE 24
 
 struct fuse_write_in {
@@ -805,7 +830,7 @@
 	uint32_t	uid;
 	uint32_t	gid;
 	uint32_t	pid;
-	uint32_t	padding;
+	uint32_t	error_in;
 };
 
 struct fuse_out_header {
@@ -883,7 +908,11 @@
 };
 
 /* Device ioctls: */
-#define FUSE_DEV_IOC_CLONE	_IOR(229, 0, uint32_t)
+#define FUSE_DEV_IOC_MAGIC		229
+#define FUSE_DEV_IOC_CLONE		_IOR(FUSE_DEV_IOC_MAGIC, 0, uint32_t)
+/* 127 is reserved for the V1 interface implementation in Android (deprecated) */
+/* 126 is reserved for the V2 interface implementation in Android */
+#define FUSE_DEV_IOC_PASSTHROUGH_OPEN	_IOW(FUSE_DEV_IOC_MAGIC, 126, __u32)
 
 struct fuse_lseek_in {
 	uint64_t	fh;
@@ -936,4 +965,67 @@
 #define FUSE_REMOVEMAPPING_MAX_ENTRY   \
 		(PAGE_SIZE / sizeof(struct fuse_removemapping_one))
 
+/*
+ * Fuse BPF Args
+ *
+ * Used to communicate with bpf programs to allow checking or altering certain values.
+ * The end_offset allows the bpf verifier to check boundaries statically. This reflects
+ * the ends of the buffer. size shows the length that was actually used.
+ *
+ */
+
+/** One input argument of a request */
+struct fuse_bpf_in_arg {
+	uint32_t size;
+	uint32_t padding;
+	union {
+		const void *value;
+		uint64_t padding2;
+	};
+	union {
+		const void *end_offset;
+		uint64_t padding3;
+	};
+};
+
+/** One output argument of a request */
+struct fuse_bpf_arg {
+	uint32_t size;
+	uint32_t padding;
+	union {
+		void *value;
+		uint64_t padding2;
+	};
+	union {
+		void *end_offset;
+		uint64_t padding3;
+	};
+};
+
+#define FUSE_MAX_IN_ARGS 5
+#define FUSE_MAX_OUT_ARGS 3
+
+#define FUSE_BPF_FORCE (1 << 0)
+#define FUSE_BPF_OUT_ARGVAR (1 << 6)
+
+struct fuse_bpf_args {
+	uint64_t nodeid;
+	uint32_t opcode;
+	uint32_t error_in;
+	uint32_t in_numargs;
+	uint32_t out_numargs;
+	uint32_t flags;
+	uint32_t padding;
+	struct fuse_bpf_in_arg in_args[FUSE_MAX_IN_ARGS];
+	struct fuse_bpf_arg out_args[FUSE_MAX_OUT_ARGS];
+};
+
+#define FUSE_BPF_USER_FILTER	1
+#define FUSE_BPF_BACKING	2
+#define FUSE_BPF_POST_FILTER	4
+
+#define FUSE_OPCODE_FILTER	0x0ffff
+#define FUSE_PREFILTER		0x10000
+#define FUSE_POSTFILTER		0x20000
+
 #endif /* _LINUX_FUSE_H */
diff --git a/include/uapi/linux/incrementalfs.h b/include/uapi/linux/incrementalfs.h
new file mode 100644
index 0000000..f8338af
--- /dev/null
+++ b/include/uapi/linux/incrementalfs.h
@@ -0,0 +1,590 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Userspace interface for Incremental FS.
+ *
+ * Incremental FS is special-purpose Linux virtual file system that allows
+ * execution of a program while its binary and resource files are still being
+ * lazily downloaded over the network, USB etc.
+ *
+ * Copyright 2019 Google LLC
+ */
+#ifndef _UAPI_LINUX_INCREMENTALFS_H
+#define _UAPI_LINUX_INCREMENTALFS_H
+
+#include <linux/limits.h>
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include <linux/xattr.h>
+
+/* ===== constants ===== */
+#define INCFS_NAME "incremental-fs"
+
+/*
+ * Magic number used in file header and in memory superblock
+ * Note that it is a 5 byte unsigned long. Thus on 32 bit kernels, it is
+ * truncated to a 4 byte number
+ */
+#define INCFS_MAGIC_NUMBER (0x5346434e49ul & ULONG_MAX)
+
+#define INCFS_DATA_FILE_BLOCK_SIZE 4096
+#define INCFS_HEADER_VER 1
+
+/* TODO: This value is assumed in incfs_copy_signature_info_from_user to be the
+ * actual signature length. Set back to 64 when fixed.
+ */
+#define INCFS_MAX_HASH_SIZE 32
+#define INCFS_MAX_FILE_ATTR_SIZE 512
+
+#define INCFS_INDEX_NAME ".index"
+#define INCFS_INCOMPLETE_NAME ".incomplete"
+#define INCFS_PENDING_READS_FILENAME ".pending_reads"
+#define INCFS_LOG_FILENAME ".log"
+#define INCFS_BLOCKS_WRITTEN_FILENAME ".blocks_written"
+#define INCFS_XATTR_ID_NAME (XATTR_USER_PREFIX "incfs.id")
+#define INCFS_XATTR_SIZE_NAME (XATTR_USER_PREFIX "incfs.size")
+#define INCFS_XATTR_METADATA_NAME (XATTR_USER_PREFIX "incfs.metadata")
+#define INCFS_XATTR_VERITY_NAME (XATTR_USER_PREFIX "incfs.verity")
+
+#define INCFS_MAX_SIGNATURE_SIZE 8096
+#define INCFS_SIGNATURE_VERSION 2
+#define INCFS_SIGNATURE_SECTIONS 2
+
+#define INCFS_IOCTL_BASE_CODE 'g'
+
+/* ===== ioctl requests on the command dir ===== */
+
+/*
+ * Create a new file
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_CREATE_FILE \
+	_IOWR(INCFS_IOCTL_BASE_CODE, 30, struct incfs_new_file_args)
+
+/* Read file signature */
+#define INCFS_IOC_READ_FILE_SIGNATURE                                          \
+	_IOR(INCFS_IOCTL_BASE_CODE, 31, struct incfs_get_file_sig_args)
+
+/*
+ * Fill in one or more data block. This may only be called on a handle
+ * passed as a parameter to INCFS_IOC_PERMIT_FILLING
+ *
+ * Returns number of blocks filled in, or error if none were
+ */
+#define INCFS_IOC_FILL_BLOCKS                                                  \
+	_IOR(INCFS_IOCTL_BASE_CODE, 32, struct incfs_fill_blocks)
+
+/*
+ * Permit INCFS_IOC_FILL_BLOCKS on the given file descriptor
+ * May only be called on .pending_reads file
+ *
+ * Returns 0 on success or error
+ */
+#define INCFS_IOC_PERMIT_FILL                                                  \
+	_IOW(INCFS_IOCTL_BASE_CODE, 33, struct incfs_permit_fill)
+
+/*
+ * Fills buffer with ranges of populated blocks
+ *
+ * Returns 0 if all ranges written
+ *	   error otherwise
+ *
+ *	   Either way, range_buffer_size_out is set to the number
+ *	   of bytes written. Should be set to 0 by caller. The ranges
+ *	   filled are valid, but if an error was returned there might
+ *	   be more ranges to come.
+ *
+ *	   Ranges are ranges of filled blocks:
+ *
+ *	   1 2 7 9
+ *
+ *	   means blocks 1, 2, 7, 8, 9 are filled, 0, 3, 4, 5, 6 and 10 on
+ *	   are not
+ *
+ *	   If hashing is enabled for the file, the hash blocks are simply
+ *	   treated as though they immediately followed the data blocks.
+ */
+#define INCFS_IOC_GET_FILLED_BLOCKS                                            \
+	_IOR(INCFS_IOCTL_BASE_CODE, 34, struct incfs_get_filled_blocks_args)
+
+/*
+ * Creates a new mapped file
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_CREATE_MAPPED_FILE \
+	_IOWR(INCFS_IOCTL_BASE_CODE, 35, struct incfs_create_mapped_file_args)
+
+/*
+ * Get number of blocks, total and filled
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_GET_BLOCK_COUNT \
+	_IOR(INCFS_IOCTL_BASE_CODE, 36, struct incfs_get_block_count_args)
+
+/*
+ * Get per UID read timeouts
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_GET_READ_TIMEOUTS \
+	_IOR(INCFS_IOCTL_BASE_CODE, 37, struct incfs_get_read_timeouts_args)
+
+/*
+ * Set per UID read timeouts
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_SET_READ_TIMEOUTS \
+	_IOW(INCFS_IOCTL_BASE_CODE, 38, struct incfs_set_read_timeouts_args)
+
+/*
+ * Get last read error
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_GET_LAST_READ_ERROR \
+	_IOW(INCFS_IOCTL_BASE_CODE, 39, struct incfs_get_last_read_error_args)
+
+/* ===== sysfs feature flags ===== */
+/*
+ * Each flag is represented by a file in /sys/fs/incremental-fs/features
+ * If the file exists the feature is supported
+ * Also the file contents will be the line "supported"
+ */
+
+/*
+ * Basic flag stating that the core incfs file system is available
+ */
+#define INCFS_FEATURE_FLAG_COREFS "corefs"
+
+/*
+ * zstd compression support
+ */
+#define INCFS_FEATURE_FLAG_ZSTD "zstd"
+
+/*
+ * v2 feature set support. Covers:
+ *   INCFS_IOC_CREATE_MAPPED_FILE
+ *   INCFS_IOC_GET_BLOCK_COUNT
+ *   INCFS_IOC_GET_READ_TIMEOUTS/INCFS_IOC_SET_READ_TIMEOUTS
+ *   .blocks_written status file
+ *   .incomplete folder
+ *   report_uid mount option
+ */
+#define INCFS_FEATURE_FLAG_V2 "v2"
+
+enum incfs_compression_alg {
+	COMPRESSION_NONE = 0,
+	COMPRESSION_LZ4 = 1,
+	COMPRESSION_ZSTD = 2,
+};
+
+enum incfs_block_flags {
+	INCFS_BLOCK_FLAGS_NONE = 0,
+	INCFS_BLOCK_FLAGS_HASH = 1,
+};
+
+typedef struct {
+	__u8 bytes[16];
+} incfs_uuid_t __attribute__((aligned (8)));
+
+/*
+ * Description of a pending read. A pending read - a read call by
+ * a userspace program for which the filesystem currently doesn't have data.
+ *
+ * Reads from .pending_reads and .log return an array of these structure
+ */
+struct incfs_pending_read_info {
+	/* Id of a file that is being read from. */
+	incfs_uuid_t file_id;
+
+	/* A number of microseconds since system boot to the read. */
+	__aligned_u64 timestamp_us;
+
+	/* Index of a file block that is being read. */
+	__u32 block_index;
+
+	/* A serial number of this pending read. */
+	__u32 serial_number;
+};
+
+/*
+ * Description of a pending read. A pending read - a read call by
+ * a userspace program for which the filesystem currently doesn't have data.
+ *
+ * This version of incfs_pending_read_info is used whenever the file system is
+ * mounted with the report_uid flag
+ */
+struct incfs_pending_read_info2 {
+	/* Id of a file that is being read from. */
+	incfs_uuid_t file_id;
+
+	/* A number of microseconds since system boot to the read. */
+	__aligned_u64 timestamp_us;
+
+	/* Index of a file block that is being read. */
+	__u32 block_index;
+
+	/* A serial number of this pending read. */
+	__u32 serial_number;
+
+	/* The UID of the reading process */
+	__u32 uid;
+
+	__u32 reserved;
+};
+
+/*
+ * Description of a data or hash block to add to a data file.
+ */
+struct incfs_fill_block {
+	/* Index of a data block. */
+	__u32 block_index;
+
+	/* Length of data */
+	__u32 data_len;
+
+	/*
+	 * A pointer to an actual data for the block.
+	 *
+	 * Equivalent to: __u8 *data;
+	 */
+	__aligned_u64 data;
+
+	/*
+	 * Compression algorithm used to compress the data block.
+	 * Values from enum incfs_compression_alg.
+	 */
+	__u8 compression;
+
+	/* Values from enum incfs_block_flags */
+	__u8 flags;
+
+	__u16 reserved1;
+
+	__u32 reserved2;
+
+	__aligned_u64 reserved3;
+};
+
+/*
+ * Description of a number of blocks to add to a data file
+ *
+ * Argument for INCFS_IOC_FILL_BLOCKS
+ */
+struct incfs_fill_blocks {
+	/* Number of blocks */
+	__u64 count;
+
+	/* A pointer to an array of incfs_fill_block structs */
+	__aligned_u64 fill_blocks;
+};
+
+/*
+ * Permit INCFS_IOC_FILL_BLOCKS on the given file descriptor
+ * May only be called on .pending_reads file
+ *
+ * Argument for INCFS_IOC_PERMIT_FILL
+ */
+struct incfs_permit_fill {
+	/* File to permit fills on */
+	__u32 file_descriptor;
+};
+
+enum incfs_hash_tree_algorithm {
+	INCFS_HASH_TREE_NONE = 0,
+	INCFS_HASH_TREE_SHA256 = 1
+};
+
+/*
+ * Create a new file or directory.
+ */
+struct incfs_new_file_args {
+	/* Id of a file to create. */
+	incfs_uuid_t file_id;
+
+	/*
+	 * Total size of the new file. Ignored if S_ISDIR(mode).
+	 */
+	__aligned_u64 size;
+
+	/*
+	 * File mode. Permissions and dir flag.
+	 */
+	__u16 mode;
+
+	__u16 reserved1;
+
+	__u32 reserved2;
+
+	/*
+	 * A pointer to a null-terminated relative path to the file's parent
+	 * dir.
+	 * Max length: PATH_MAX
+	 *
+	 * Equivalent to: char *directory_path;
+	 */
+	__aligned_u64 directory_path;
+
+	/*
+	 * A pointer to a null-terminated file's name.
+	 * Max length: PATH_MAX
+	 *
+	 * Equivalent to: char *file_name;
+	 */
+	__aligned_u64 file_name;
+
+	/*
+	 * A pointer to a file attribute to be set on creation.
+	 *
+	 * Equivalent to: u8 *file_attr;
+	 */
+	__aligned_u64 file_attr;
+
+	/*
+	 * Length of the data buffer specfied by file_attr.
+	 * Max value: INCFS_MAX_FILE_ATTR_SIZE
+	 */
+	__u32 file_attr_len;
+
+	__u32 reserved4;
+
+	/*
+	 * Points to an APK V4 Signature data blob
+	 * Signature must have two sections
+	 * Format is:
+	 *	u32 version
+	 *	u32 size_of_hash_info_section
+	 *	u8 hash_info_section[]
+	 *	u32 size_of_signing_info_section
+	 *	u8 signing_info_section[]
+	 *
+	 * Note that incfs does not care about what is in signing_info_section
+	 *
+	 * hash_info_section has following format:
+	 *	u32 hash_algorithm; // Must be SHA256 == 1
+	 *	u8 log2_blocksize;  // Must be 12 for 4096 byte blocks
+	 *	u32 salt_size;
+	 *	u8 salt[];
+	 *	u32 hash_size;
+	 *	u8 root_hash[];
+	 */
+	__aligned_u64 signature_info;
+
+	/* Size of signature_info */
+	__aligned_u64 signature_size;
+
+	__aligned_u64 reserved6;
+};
+
+/*
+ * Request a digital signature blob for a given file.
+ * Argument for INCFS_IOC_READ_FILE_SIGNATURE ioctl
+ */
+struct incfs_get_file_sig_args {
+	/*
+	 * A pointer to the data buffer to save an signature blob to.
+	 *
+	 * Equivalent to: u8 *file_signature;
+	 */
+	__aligned_u64 file_signature;
+
+	/* Size of the buffer at file_signature. */
+	__u32 file_signature_buf_size;
+
+	/*
+	 * Number of bytes save file_signature buffer.
+	 * It is set after ioctl done.
+	 */
+	__u32 file_signature_len_out;
+};
+
+struct incfs_filled_range {
+	__u32 begin;
+	__u32 end;
+};
+
+/*
+ * Request ranges of filled blocks
+ * Argument for INCFS_IOC_GET_FILLED_BLOCKS
+ */
+struct incfs_get_filled_blocks_args {
+	/*
+	 * A buffer to populate with ranges of filled blocks
+	 *
+	 * Equivalent to struct incfs_filled_ranges *range_buffer
+	 */
+	__aligned_u64 range_buffer;
+
+	/* Size of range_buffer */
+	__u32 range_buffer_size;
+
+	/* Start index to read from */
+	__u32 start_index;
+
+	/*
+	 * End index to read to. 0 means read to end. This is a range,
+	 * so incfs will read from start_index to end_index - 1
+	 */
+	__u32 end_index;
+
+	/* Actual number of blocks in file */
+	__u32 total_blocks_out;
+
+	/* The  number of data blocks in file */
+	__u32 data_blocks_out;
+
+	/* Number of bytes written to range buffer */
+	__u32 range_buffer_size_out;
+
+	/* Sector scanned up to, if the call was interrupted */
+	__u32 index_out;
+};
+
+/*
+ * Create a new mapped file
+ * Argument for INCFS_IOC_CREATE_MAPPED_FILE
+ */
+struct incfs_create_mapped_file_args {
+	/*
+	 * Total size of the new file.
+	 */
+	__aligned_u64 size;
+
+	/*
+	 * File mode. Permissions and dir flag.
+	 */
+	__u16 mode;
+
+	__u16 reserved1;
+
+	__u32 reserved2;
+
+	/*
+	 * A pointer to a null-terminated relative path to the incfs mount
+	 * point
+	 * Max length: PATH_MAX
+	 *
+	 * Equivalent to: char *directory_path;
+	 */
+	__aligned_u64 directory_path;
+
+	/*
+	 * A pointer to a null-terminated file name.
+	 * Max length: PATH_MAX
+	 *
+	 * Equivalent to: char *file_name;
+	 */
+	__aligned_u64 file_name;
+
+	/* Id of source file to map. */
+	incfs_uuid_t source_file_id;
+
+	/*
+	 * Offset in source file to start mapping. Must be a multiple of
+	 * INCFS_DATA_FILE_BLOCK_SIZE
+	 */
+	__aligned_u64 source_offset;
+};
+
+/*
+ * Get information about the blocks in this file
+ * Argument for INCFS_IOC_GET_BLOCK_COUNT
+ */
+struct incfs_get_block_count_args {
+	/* Total number of data blocks in the file */
+	__u32 total_data_blocks_out;
+
+	/* Number of filled data blocks in the file */
+	__u32 filled_data_blocks_out;
+
+	/* Total number of hash blocks in the file */
+	__u32 total_hash_blocks_out;
+
+	/* Number of filled hash blocks in the file */
+	__u32 filled_hash_blocks_out;
+};
+
+/* Description of timeouts for one UID */
+struct incfs_per_uid_read_timeouts {
+	/* UID to apply these timeouts to */
+	__u32 uid;
+
+	/*
+	 * Min time in microseconds to read any block. Note that this doesn't
+	 * apply to reads which are satisfied from the page cache.
+	 */
+	__u32 min_time_us;
+
+	/*
+	 * Min time in microseconds to satisfy a pending read. Any pending read
+	 * which is filled before this time will be delayed so that the total
+	 * read time >= this value.
+	 */
+	__u32 min_pending_time_us;
+
+	/*
+	 * Max time in microseconds to satisfy a pending read before the read
+	 * times out. If set to U32_MAX, defaults to mount options
+	 * read_timeout_ms * 1000. Must be >= min_pending_time_us
+	 */
+	__u32 max_pending_time_us;
+};
+
+/*
+ * Get the read timeouts array
+ * Argument for INCFS_IOC_GET_READ_TIMEOUTS
+ */
+struct incfs_get_read_timeouts_args {
+	/*
+	 * A pointer to a buffer to fill with the current timeouts
+	 *
+	 * Equivalent to struct incfs_per_uid_read_timeouts *
+	 */
+	__aligned_u64 timeouts_array;
+
+	/* Size of above buffer in bytes */
+	__u32 timeouts_array_size;
+
+	/* Size used in bytes, or size needed if -ENOMEM returned */
+	__u32 timeouts_array_size_out;
+};
+
+/*
+ * Set the read timeouts array
+ * Arguments for INCFS_IOC_SET_READ_TIMEOUTS
+ */
+struct incfs_set_read_timeouts_args {
+	/*
+	 * A pointer to an array containing the new timeouts
+	 * This will replace any existing timeouts
+	 *
+	 * Equivalent to struct incfs_per_uid_read_timeouts *
+	 */
+	__aligned_u64 timeouts_array;
+
+	/* Size of above array in bytes. Must be < 256 */
+	__u32 timeouts_array_size;
+};
+
+/*
+ * Get last read error struct
+ * Arguments for INCFS_IOC_GET_LAST_READ_ERROR
+ */
+struct incfs_get_last_read_error_args {
+	/* File id of last file that had a read error */
+	incfs_uuid_t	file_id_out;
+
+	/* Time of last read error, in us, from CLOCK_MONOTONIC */
+	__u64	time_us_out;
+
+	/* Index of page that was being read at last read error */
+	__u32	page_out;
+
+	/* errno of last read error */
+	__u32	errno_out;
+
+	/* uid of last read error */
+	__u32	uid_out;
+
+	__u32	reserved1;
+	__u64	reserved2;
+};
+
+#endif /* _UAPI_LINUX_INCREMENTALFS_H */
diff --git a/include/uapi/linux/ion.h b/include/uapi/linux/ion.h
new file mode 100644
index 0000000..371e446
--- /dev/null
+++ b/include/uapi/linux/ion.h
@@ -0,0 +1,150 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * drivers/staging/android/uapi/ion.h
+ *
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#ifndef _UAPI_LINUX_ION_H
+#define _UAPI_LINUX_ION_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/**
+ * ion_heap_types - list of all possible types of heaps that Android can use
+ *
+ * @ION_HEAP_TYPE_SYSTEM:        Reserved heap id for ion heap that allocates
+ *				 memory using alloc_page(). Also, supports
+ *				 deferred free and allocation pools.
+* @ION_HEAP_TYPE_DMA:		 Reserved heap id for ion heap that manages
+ * 				 single CMA (contiguous memory allocator)
+ * 				 region. Uses standard DMA APIs for
+ *				 managing memory within the CMA region.
+ */
+enum ion_heap_type {
+	ION_HEAP_TYPE_SYSTEM = 0,
+	ION_HEAP_TYPE_DMA = 2,
+	/* reserved range for future standard heap types */
+	ION_HEAP_TYPE_CUSTOM = 16,
+	ION_HEAP_TYPE_MAX = 31,
+};
+
+/**
+ * ion_heap_id - list of standard heap ids that Android can use
+ *
+ * @ION_HEAP_SYSTEM		Id for the ION_HEAP_TYPE_SYSTEM
+ * @ION_HEAP_DMA_START 		Start of reserved id range for heaps of type
+ *				ION_HEAP_TYPE_DMA
+ * @ION_HEAP_DMA_END		End of reserved id range for heaps of type
+ *				ION_HEAP_TYPE_DMA
+ * @ION_HEAP_CUSTOM_START	Start of reserved id range for heaps of custom
+ *				type
+ * @ION_HEAP_CUSTOM_END		End of reserved id range for heaps of custom
+ *				type
+ */
+enum ion_heap_id {
+	ION_HEAP_SYSTEM = (1 << ION_HEAP_TYPE_SYSTEM),
+	ION_HEAP_DMA_START = (ION_HEAP_SYSTEM << 1),
+	ION_HEAP_DMA_END = (ION_HEAP_DMA_START << 7),
+	ION_HEAP_CUSTOM_START = (ION_HEAP_DMA_END << 1),
+	ION_HEAP_CUSTOM_END = (ION_HEAP_CUSTOM_START << 22),
+};
+
+#define ION_NUM_MAX_HEAPS	(32)
+
+/**
+ * allocation flags - the lower 16 bits are used by core ion, the upper 16
+ * bits are reserved for use by the heaps themselves.
+ */
+
+/*
+ * mappings of this buffer should be cached, ion will do cache maintenance
+ * when the buffer is mapped for dma
+ */
+#define ION_FLAG_CACHED		1
+
+/**
+ * DOC: Ion Userspace API
+ *
+ * create a client by opening /dev/ion
+ * most operations handled via following ioctls
+ *
+ */
+
+/**
+ * struct ion_allocation_data - metadata passed from userspace for allocations
+ * @len:		size of the allocation
+ * @heap_id_mask:	mask of heap ids to allocate from
+ * @flags:		flags passed to heap
+ * @handle:		pointer that will be populated with a cookie to use to
+ *			refer to this allocation
+ *
+ * Provided by userspace as an argument to the ioctl
+ */
+struct ion_allocation_data {
+	__u64 len;
+	__u32 heap_id_mask;
+	__u32 flags;
+	__u32 fd;
+	__u32 unused;
+};
+
+#define MAX_HEAP_NAME			32
+
+/**
+ * struct ion_heap_data - data about a heap
+ * @name - first 32 characters of the heap name
+ * @type - heap type
+ * @heap_id - heap id for the heap
+ */
+struct ion_heap_data {
+	char name[MAX_HEAP_NAME];
+	__u32 type;
+	__u32 heap_id;
+	__u32 reserved0;
+	__u32 reserved1;
+	__u32 reserved2;
+};
+
+/**
+ * struct ion_heap_query - collection of data about all heaps
+ * @cnt - total number of heaps to be copied
+ * @heaps - buffer to copy heap data
+ */
+struct ion_heap_query {
+	__u32 cnt; /* Total number of heaps to be copied */
+	__u32 reserved0; /* align to 64bits */
+	__u64 heaps; /* buffer to be populated */
+	__u32 reserved1;
+	__u32 reserved2;
+};
+
+#define ION_IOC_MAGIC		'I'
+
+/**
+ * DOC: ION_IOC_ALLOC - allocate memory
+ *
+ * Takes an ion_allocation_data struct and returns it with the handle field
+ * populated with the opaque handle for the allocation.
+ */
+#define ION_IOC_ALLOC		_IOWR(ION_IOC_MAGIC, 0, \
+				      struct ion_allocation_data)
+
+/**
+ * DOC: ION_IOC_HEAP_QUERY - information about available heaps
+ *
+ * Takes an ion_heap_query structure and populates information about
+ * available Ion heaps.
+ */
+#define ION_IOC_HEAP_QUERY     _IOWR(ION_IOC_MAGIC, 8, \
+					struct ion_heap_query)
+
+/**
+ * DOC: ION_IOC_HEAP_ABI_VERSION - return ABI version
+ *
+ * Returns ABI version for this driver
+ */
+#define ION_IOC_ABI_VERSION    _IOR(ION_IOC_MAGIC, 9, \
+					__u32)
+#endif /* _UAPI_LINUX_ION_H */
diff --git a/include/uapi/linux/ip.h b/include/uapi/linux/ip.h
index 860bbf6..86d7eba 100644
--- a/include/uapi/linux/ip.h
+++ b/include/uapi/linux/ip.h
@@ -101,10 +101,14 @@
 	__u8	ttl;
 	__u8	protocol;
 	__sum16	check;
+#ifndef __GENKSYMS__
 	__struct_group(/* no tag */, addrs, /* no attrs */,
+#endif
 		__be32	saddr;
 		__be32	daddr;
+#ifndef __GENKSYMS__
 	);
+#endif
 	/*The options start here. */
 };
 
diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h
index 4fa8511..2aadbba 100644
--- a/include/uapi/linux/ipv6.h
+++ b/include/uapi/linux/ipv6.h
@@ -131,10 +131,14 @@
 	__u8			nexthdr;
 	__u8			hop_limit;
 
+#ifndef __GENKSYMS__
 	__struct_group(/* no tag */, addrs, /* no attrs */,
+#endif
 		struct	in6_addr	saddr;
 		struct	in6_addr	daddr;
+#ifndef __GENKSYMS__
 	);
+#endif
 };
 
 
@@ -192,13 +196,6 @@
 	DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN,
 	DEVCONF_NDISC_TCLASS,
 	DEVCONF_RPL_SEG_ENABLED,
-	DEVCONF_RA_DEFRTR_METRIC,
-	DEVCONF_IOAM6_ENABLED,
-	DEVCONF_IOAM6_ID,
-	DEVCONF_IOAM6_ID_WIDE,
-	DEVCONF_NDISC_EVICT_NOCARRIER,
-	DEVCONF_ACCEPT_UNTRACKED_NA,
-	DEVCONF_ACCEPT_RA_MIN_LFT,
 	DEVCONF_MAX
 };
 
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index ca41220..facb29e 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -819,6 +819,12 @@
 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
+
+#define KVM_VM_TYPE_ARM_PROTECTED	(1UL << 31)
+
+#define KVM_VM_TYPE_MASK	(KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \
+				 KVM_VM_TYPE_ARM_PROTECTED)
+
 /*
  * ioctls for /dev/kvm fds:
  */
@@ -1053,6 +1059,26 @@
 #define KVM_CAP_X86_USER_SPACE_MSR 188
 #define KVM_CAP_X86_MSR_FILTER 189
 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
+/*
+#define KVM_CAP_SYS_HYPERV_CPUID 191
+#define KVM_CAP_DIRTY_LOG_RING 192
+#define KVM_CAP_X86_BUS_LOCK_EXIT 193
+#define KVM_CAP_PPC_DAWR1 194
+#define KVM_CAP_SET_GUEST_DEBUG2 195
+#define KVM_CAP_SGX_ATTRIBUTE 196
+#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
+*/
+#define KVM_CAP_PTP_KVM 198
+/*
+#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
+#define KVM_CAP_SREGS2 200
+#define KVM_CAP_EXIT_HYPERCALL 201
+#define KVM_CAP_PPC_RPT_INVALIDATE 202
+#define KVM_CAP_BINARY_STATS_FD 203
+#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
+*/
+#define KVM_CAP_ARM_MTE 205
+#define KVM_CAP_ARM_PROTECTED_VM 0xffbadab1
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -1393,6 +1419,7 @@
 /* Available with KVM_CAP_PMU_EVENT_FILTER */
 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
+#define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
 
 /* ioctl for vm fd */
 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
diff --git a/include/uapi/linux/netfilter/xt_IDLETIMER.h b/include/uapi/linux/netfilter/xt_IDLETIMER.h
index 7bfb31a..104ac32 100644
--- a/include/uapi/linux/netfilter/xt_IDLETIMER.h
+++ b/include/uapi/linux/netfilter/xt_IDLETIMER.h
@@ -33,7 +33,7 @@
 
 	char label[MAX_IDLETIMER_LABEL_SIZE];
 
-	__u8 send_nl_msg;   /* unused: for compatibility with Android */
+	__u8 send_nl_msg;
 	__u8 timer_type;
 
 	/* for kernel module internal use only */
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 47700a2..2d733ef 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2527,6 +2527,11 @@
  *	override mask. Used with NL80211_ATTR_S1G_CAPABILITY in
  *	NL80211_CMD_ASSOCIATE or NL80211_CMD_CONNECT.
  *
+ * @NL80211_ATTR_SAE_PWE: Indicates the mechanism(s) allowed for SAE PWE
+ *	derivation in WPA3-Personal networks which are using SAE authentication.
+ *	This is a u8 attribute that encapsulates one of the values from
+ *	&enum nl80211_sae_pwe_mechanism.
+ *
  * @NUM_NL80211_ATTR: total number of nl80211_attrs available
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
@@ -3016,6 +3021,8 @@
 	NL80211_ATTR_S1G_CAPABILITY,
 	NL80211_ATTR_S1G_CAPABILITY_MASK,
 
+	NL80211_ATTR_SAE_PWE,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
@@ -7124,4 +7131,23 @@
 	NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX =
 		__NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_LAST - 1
 };
+
+/**
+ * enum nl80211_sae_pwe_mechanism - The mechanism(s) allowed for SAE PWE
+ *	derivation. Applicable only when WPA3-Personal SAE authentication is
+ *	used.
+ *
+ * @NL80211_SAE_PWE_UNSPECIFIED: not specified, used internally to indicate that
+ *	attribute is not present from userspace.
+ * @NL80211_SAE_PWE_HUNT_AND_PECK: hunting-and-pecking loop only
+ * @NL80211_SAE_PWE_HASH_TO_ELEMENT: hash-to-element only
+ * @NL80211_SAE_PWE_BOTH: both hunting-and-pecking loop and hash-to-element
+ *	can be used.
+ */
+enum nl80211_sae_pwe_mechanism {
+	NL80211_SAE_PWE_UNSPECIFIED,
+	NL80211_SAE_PWE_HUNT_AND_PECK,
+	NL80211_SAE_PWE_HASH_TO_ELEMENT,
+	NL80211_SAE_PWE_BOTH,
+};
 #endif /* __LINUX_NL80211_H */
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 6ca63ab..33bdc13 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -279,7 +279,6 @@
  *	  { u64		time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED
  *	  { u64		time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING
  *	  { u64		id;           } && PERF_FORMAT_ID
- *	  { u64		lost;         } && PERF_FORMAT_LOST
  *	} && !PERF_FORMAT_GROUP
  *
  *	{ u64		nr;
@@ -287,7 +286,6 @@
  *	  { u64		time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING
  *	  { u64		value;
  *	    { u64	id;           } && PERF_FORMAT_ID
- *	    { u64	lost;         } && PERF_FORMAT_LOST
  *	  }		cntr[nr];
  *	} && PERF_FORMAT_GROUP
  * };
@@ -297,9 +295,8 @@
 	PERF_FORMAT_TOTAL_TIME_RUNNING		= 1U << 1,
 	PERF_FORMAT_ID				= 1U << 2,
 	PERF_FORMAT_GROUP			= 1U << 3,
-	PERF_FORMAT_LOST			= 1U << 4,
 
-	PERF_FORMAT_MAX = 1U << 5,		/* non-ABI */
+	PERF_FORMAT_MAX = 1U << 4,		/* non-ABI */
 };
 
 #define PERF_ATTR_SIZE_VER0	64	/* sizeof first published struct */
@@ -1104,10 +1101,15 @@
 /**
  * PERF_RECORD_AUX::flags bits
  */
-#define PERF_AUX_FLAG_TRUNCATED		0x01	/* record was truncated to fit */
-#define PERF_AUX_FLAG_OVERWRITE		0x02	/* snapshot from overwrite mode */
-#define PERF_AUX_FLAG_PARTIAL		0x04	/* record contains gaps */
-#define PERF_AUX_FLAG_COLLISION		0x08	/* sample collided with another */
+#define PERF_AUX_FLAG_TRUNCATED			0x01	/* record was truncated to fit */
+#define PERF_AUX_FLAG_OVERWRITE			0x02	/* snapshot from overwrite mode */
+#define PERF_AUX_FLAG_PARTIAL			0x04	/* record contains gaps */
+#define PERF_AUX_FLAG_COLLISION			0x08	/* sample collided with another */
+#define PERF_AUX_FLAG_PMU_FORMAT_TYPE_MASK	0xff00	/* PMU specific trace format type */
+
+/* CoreSight PMU AUX buffer formats */
+#define PERF_AUX_FLAG_CORESIGHT_FORMAT_CORESIGHT	0x0000 /* Default for backward compatibility */
+#define PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW		0x0100 /* Raw format of the source */
 
 #define PERF_FLAG_FD_NO_GROUP		(1UL << 0)
 #define PERF_FLAG_FD_OUTPUT		(1UL << 1)
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h
index 7f08277..2f70791 100644
--- a/include/uapi/linux/prctl.h
+++ b/include/uapi/linux/prctl.h
@@ -234,17 +234,25 @@
 #define PR_GET_TAGGED_ADDR_CTRL		56
 # define PR_TAGGED_ADDR_ENABLE		(1UL << 0)
 /* MTE tag check fault modes */
-# define PR_MTE_TCF_SHIFT		1
-# define PR_MTE_TCF_NONE		(0UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_SYNC		(1UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_ASYNC		(2UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_MASK		(3UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_NONE		0
+# define PR_MTE_TCF_SYNC		(1UL << 1)
+# define PR_MTE_TCF_ASYNC		(1UL << 2)
+# define PR_MTE_TCF_MASK		(PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC)
 /* MTE tag inclusion mask */
 # define PR_MTE_TAG_SHIFT		3
 # define PR_MTE_TAG_MASK		(0xffffUL << PR_MTE_TAG_SHIFT)
+/* Unused; kept only for source compatibility */
+# define PR_MTE_TCF_SHIFT		1
 
 /* Control reclaim behavior when allocating memory */
 #define PR_SET_IO_FLUSHER		57
 #define PR_GET_IO_FLUSHER		58
 
+/* Set/get enabled arm64 pointer authentication keys */
+#define PR_PAC_SET_ENABLED_KEYS		60
+#define PR_PAC_GET_ENABLED_KEYS		61
+
+#define PR_SET_VMA		0x53564d41
+# define PR_SET_VMA_ANON_NAME		0
+
 #endif /* _LINUX_PRCTL_H */
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 2fcad1d..1529f31 100644
--- a/include/uapi/linux/psci.h
+++ b/include/uapi/linux/psci.h
@@ -51,6 +51,7 @@
 #define PSCI_1_0_FN_SYSTEM_SUSPEND		PSCI_0_2_FN(14)
 #define PSCI_1_0_FN_SET_SUSPEND_MODE		PSCI_0_2_FN(15)
 #define PSCI_1_1_FN_SYSTEM_RESET2		PSCI_0_2_FN(18)
+#define PSCI_1_1_FN_MEM_PROTECT			PSCI_0_2_FN(19)
 
 #define PSCI_1_0_FN64_SYSTEM_SUSPEND		PSCI_0_2_FN64(14)
 #define PSCI_1_1_FN64_SYSTEM_RESET2		PSCI_0_2_FN64(18)
@@ -82,6 +83,10 @@
 #define PSCI_0_2_TOS_UP_NO_MIGRATE		1
 #define PSCI_0_2_TOS_MP				2
 
+/* PSCI v1.1 reset type encoding for SYSTEM_RESET2 */
+#define PSCI_1_1_RESET_TYPE_SYSTEM_WARM_RESET	0
+#define PSCI_1_1_RESET_TYPE_VENDOR_START	0x80000000U
+
 /* PSCI version decoding (independent of PSCI version) */
 #define PSCI_VERSION_MAJOR_SHIFT		16
 #define PSCI_VERSION_MINOR_MASK			\
diff --git a/include/uapi/linux/sched/types.h b/include/uapi/linux/sched/types.h
index c852153..f2c4589 100644
--- a/include/uapi/linux/sched/types.h
+++ b/include/uapi/linux/sched/types.h
@@ -96,6 +96,8 @@
  * on a CPU with a capacity big enough to fit the specified value.
  * A task with a max utilization value smaller than 1024 is more likely
  * scheduled on a CPU with no more capacity than the specified value.
+ *
+ * A task utilization boundary can be reset by setting the attribute to -1.
  */
 struct sched_attr {
 	__u32 size;
diff --git a/include/uapi/linux/usb/f_accessory.h b/include/uapi/linux/usb/f_accessory.h
new file mode 100644
index 0000000..0baeb7d
--- /dev/null
+++ b/include/uapi/linux/usb/f_accessory.h
@@ -0,0 +1,146 @@
+/*
+ * Gadget Function Driver for Android USB accessories
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Author: Mike Lockwood <lockwood@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _UAPI_LINUX_USB_F_ACCESSORY_H
+#define _UAPI_LINUX_USB_F_ACCESSORY_H
+
+/* Use Google Vendor ID when in accessory mode */
+#define USB_ACCESSORY_VENDOR_ID 0x18D1
+
+
+/* Product ID to use when in accessory mode */
+#define USB_ACCESSORY_PRODUCT_ID 0x2D00
+
+/* Product ID to use when in accessory mode and adb is enabled */
+#define USB_ACCESSORY_ADB_PRODUCT_ID 0x2D01
+
+/* Indexes for strings sent by the host via ACCESSORY_SEND_STRING */
+#define ACCESSORY_STRING_MANUFACTURER   0
+#define ACCESSORY_STRING_MODEL          1
+#define ACCESSORY_STRING_DESCRIPTION    2
+#define ACCESSORY_STRING_VERSION        3
+#define ACCESSORY_STRING_URI            4
+#define ACCESSORY_STRING_SERIAL         5
+
+/* Control request for retrieving device's protocol version
+ *
+ *	requestType:    USB_DIR_IN | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_GET_PROTOCOL
+ *	value:          0
+ *	index:          0
+ *	data            version number (16 bits little endian)
+ *                     1 for original accessory support
+ *                     2 adds HID and device to host audio support
+ */
+#define ACCESSORY_GET_PROTOCOL  51
+
+/* Control request for host to send a string to the device
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_SEND_STRING
+ *	value:          0
+ *	index:          string ID
+ *	data            zero terminated UTF8 string
+ *
+ *  The device can later retrieve these strings via the
+ *  ACCESSORY_GET_STRING_* ioctls
+ */
+#define ACCESSORY_SEND_STRING   52
+
+/* Control request for starting device in accessory mode.
+ * The host sends this after setting all its strings to the device.
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_START
+ *	value:          0
+ *	index:          0
+ *	data            none
+ */
+#define ACCESSORY_START         53
+
+/* Control request for registering a HID device.
+ * Upon registering, a unique ID is sent by the accessory in the
+ * value parameter. This ID will be used for future commands for
+ * the device
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_REGISTER_HID_DEVICE
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          total length of the HID report descriptor
+ *	data            none
+ */
+#define ACCESSORY_REGISTER_HID         54
+
+/* Control request for unregistering a HID device.
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_REGISTER_HID
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          0
+ *	data            none
+ */
+#define ACCESSORY_UNREGISTER_HID         55
+
+/* Control request for sending the HID report descriptor.
+ * If the HID descriptor is longer than the endpoint zero max packet size,
+ * the descriptor will be sent in multiple ACCESSORY_SET_HID_REPORT_DESC
+ * commands. The data for the descriptor must be sent sequentially
+ * if multiple packets are needed.
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_SET_HID_REPORT_DESC
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          offset of data in descriptor
+ *                      (needed when HID descriptor is too big for one packet)
+ *	data            the HID report descriptor
+ */
+#define ACCESSORY_SET_HID_REPORT_DESC         56
+
+/* Control request for sending HID events.
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_SEND_HID_EVENT
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          0
+ *	data            the HID report for the event
+ */
+#define ACCESSORY_SEND_HID_EVENT         57
+
+/* Control request for setting the audio mode.
+ *
+ *	requestType:	USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_SET_AUDIO_MODE
+ *	value:          0 - no audio
+ *                     1 - device to host, 44100 16-bit stereo PCM
+ *	index:          0
+ *	data            none
+ */
+#define ACCESSORY_SET_AUDIO_MODE         58
+
+/* ioctls for retrieving strings set by the host */
+#define ACCESSORY_GET_STRING_MANUFACTURER   _IOW('M', 1, char[256])
+#define ACCESSORY_GET_STRING_MODEL          _IOW('M', 2, char[256])
+#define ACCESSORY_GET_STRING_DESCRIPTION    _IOW('M', 3, char[256])
+#define ACCESSORY_GET_STRING_VERSION        _IOW('M', 4, char[256])
+#define ACCESSORY_GET_STRING_URI            _IOW('M', 5, char[256])
+#define ACCESSORY_GET_STRING_SERIAL         _IOW('M', 6, char[256])
+/* returns 1 if there is a start request pending */
+#define ACCESSORY_IS_START_REQUESTED        _IO('M', 7)
+/* returns audio mode (set via the ACCESSORY_SET_AUDIO_MODE control request) */
+#define ACCESSORY_GET_AUDIO_MODE            _IO('M', 8)
+
+#endif /* _UAPI_LINUX_USB_F_ACCESSORY_H */
diff --git a/include/uapi/linux/usb/g_uvc.h b/include/uapi/linux/usb/g_uvc.h
index 652f169..8d7824d 100644
--- a/include/uapi/linux/usb/g_uvc.h
+++ b/include/uapi/linux/usb/g_uvc.h
@@ -21,6 +21,9 @@
 #define UVC_EVENT_DATA			(V4L2_EVENT_PRIVATE_START + 5)
 #define UVC_EVENT_LAST			(V4L2_EVENT_PRIVATE_START + 5)
 
+#define UVC_STRING_CONTROL_IDX			0
+#define UVC_STRING_STREAMING_IDX		1
+
 struct uvc_request_data {
 	__s32 length;
 	__u8 data[60];
diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h
index c58854f..2ff0e8a 100644
--- a/include/uapi/linux/usb/video.h
+++ b/include/uapi/linux/usb/video.h
@@ -496,7 +496,7 @@
 	__u8  bDefaultFrameIndex;
 	__u8  bAspectRatioX;
 	__u8  bAspectRatioY;
-	__u8  bmInterfaceFlags;
+	__u8  bmInterlaceFlags;
 	__u8  bCopyProtect;
 } __attribute__((__packed__));
 
@@ -552,7 +552,7 @@
 	__u8  bDefaultFrameIndex;
 	__u8  bAspectRatioX;
 	__u8  bAspectRatioY;
-	__u8  bmInterfaceFlags;
+	__u8  bmInterlaceFlags;
 	__u8  bCopyProtect;
 } __attribute__((__packed__));
 
diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h
index e7e98bd..05b31d6 100644
--- a/include/uapi/linux/userfaultfd.h
+++ b/include/uapi/linux/userfaultfd.h
@@ -19,15 +19,20 @@
  * means the userland is reading).
  */
 #define UFFD_API ((__u64)0xAA)
+#define UFFD_API_REGISTER_MODES (UFFDIO_REGISTER_MODE_MISSING |	\
+				 UFFDIO_REGISTER_MODE_WP |	\
+				 UFFDIO_REGISTER_MODE_MINOR)
 #define UFFD_API_FEATURES (UFFD_FEATURE_PAGEFAULT_FLAG_WP |	\
 			   UFFD_FEATURE_EVENT_FORK |		\
 			   UFFD_FEATURE_EVENT_REMAP |		\
-			   UFFD_FEATURE_EVENT_REMOVE |	\
+			   UFFD_FEATURE_EVENT_REMOVE |		\
 			   UFFD_FEATURE_EVENT_UNMAP |		\
 			   UFFD_FEATURE_MISSING_HUGETLBFS |	\
 			   UFFD_FEATURE_MISSING_SHMEM |		\
 			   UFFD_FEATURE_SIGBUS |		\
-			   UFFD_FEATURE_THREAD_ID)
+			   UFFD_FEATURE_THREAD_ID |		\
+			   UFFD_FEATURE_MINOR_HUGETLBFS |	\
+			   UFFD_FEATURE_MINOR_SHMEM)
 #define UFFD_API_IOCTLS				\
 	((__u64)1 << _UFFDIO_REGISTER |		\
 	 (__u64)1 << _UFFDIO_UNREGISTER |	\
@@ -36,10 +41,12 @@
 	((__u64)1 << _UFFDIO_WAKE |		\
 	 (__u64)1 << _UFFDIO_COPY |		\
 	 (__u64)1 << _UFFDIO_ZEROPAGE |		\
-	 (__u64)1 << _UFFDIO_WRITEPROTECT)
+	 (__u64)1 << _UFFDIO_WRITEPROTECT |	\
+	 (__u64)1 << _UFFDIO_CONTINUE)
 #define UFFD_API_RANGE_IOCTLS_BASIC		\
 	((__u64)1 << _UFFDIO_WAKE |		\
-	 (__u64)1 << _UFFDIO_COPY)
+	 (__u64)1 << _UFFDIO_COPY |		\
+	 (__u64)1 << _UFFDIO_CONTINUE)
 
 /*
  * Valid ioctl command number range with this API is from 0x00 to
@@ -55,6 +62,7 @@
 #define _UFFDIO_COPY			(0x03)
 #define _UFFDIO_ZEROPAGE		(0x04)
 #define _UFFDIO_WRITEPROTECT		(0x06)
+#define _UFFDIO_CONTINUE		(0x07)
 #define _UFFDIO_API			(0x3F)
 
 /* userfaultfd ioctl ids */
@@ -73,6 +81,8 @@
 				      struct uffdio_zeropage)
 #define UFFDIO_WRITEPROTECT	_IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, \
 				      struct uffdio_writeprotect)
+#define UFFDIO_CONTINUE		_IOWR(UFFDIO, _UFFDIO_CONTINUE,	\
+				      struct uffdio_continue)
 
 /* read() structure */
 struct uffd_msg {
@@ -127,6 +137,7 @@
 /* flags for UFFD_EVENT_PAGEFAULT */
 #define UFFD_PAGEFAULT_FLAG_WRITE	(1<<0)	/* If this was a write fault */
 #define UFFD_PAGEFAULT_FLAG_WP		(1<<1)	/* If reason is VM_UFFD_WP */
+#define UFFD_PAGEFAULT_FLAG_MINOR	(1<<2)	/* If reason is VM_UFFD_MINOR */
 
 struct uffdio_api {
 	/* userland asks for an API number and the features to enable */
@@ -171,6 +182,13 @@
 	 *
 	 * UFFD_FEATURE_THREAD_ID pid of the page faulted task_struct will
 	 * be returned, if feature is not requested 0 will be returned.
+	 *
+	 * UFFD_FEATURE_MINOR_HUGETLBFS indicates that minor faults
+	 * can be intercepted (via REGISTER_MODE_MINOR) for
+	 * hugetlbfs-backed pages.
+	 *
+	 * UFFD_FEATURE_MINOR_SHMEM indicates the same support as
+	 * UFFD_FEATURE_MINOR_HUGETLBFS, but for shmem-backed pages instead.
 	 */
 #define UFFD_FEATURE_PAGEFAULT_FLAG_WP		(1<<0)
 #define UFFD_FEATURE_EVENT_FORK			(1<<1)
@@ -181,6 +199,8 @@
 #define UFFD_FEATURE_EVENT_UNMAP		(1<<6)
 #define UFFD_FEATURE_SIGBUS			(1<<7)
 #define UFFD_FEATURE_THREAD_ID			(1<<8)
+#define UFFD_FEATURE_MINOR_HUGETLBFS		(1<<9)
+#define UFFD_FEATURE_MINOR_SHMEM		(1<<10)
 	__u64 features;
 
 	__u64 ioctls;
@@ -195,6 +215,7 @@
 	struct uffdio_range range;
 #define UFFDIO_REGISTER_MODE_MISSING	((__u64)1<<0)
 #define UFFDIO_REGISTER_MODE_WP		((__u64)1<<1)
+#define UFFDIO_REGISTER_MODE_MINOR	((__u64)1<<2)
 	__u64 mode;
 
 	/*
@@ -257,4 +278,25 @@
 	__u64 mode;
 };
 
+struct uffdio_continue {
+	struct uffdio_range range;
+#define UFFDIO_CONTINUE_MODE_DONTWAKE		((__u64)1<<0)
+	__u64 mode;
+
+	/*
+	 * Fields below here are written by the ioctl and must be at the end:
+	 * the copy_from_user will not read past here.
+	 */
+	__s64 mapped;
+};
+
+/*
+ * Flags for the userfaultfd(2) system call itself.
+ */
+
+/*
+ * Create a userfaultfd that can handle page faults only in user mode.
+ */
+#define UFFD_USER_MODE_ONLY 1
+
 #endif /* _LINUX_USERFAULTFD_H */
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index a184c49..2a9d5c8 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -65,6 +65,7 @@
 #define V4L2_CTRL_CLASS_FM_RX		0x00a10000	/* FM Receiver controls */
 #define V4L2_CTRL_CLASS_RF_TUNER	0x00a20000	/* RF tuner controls */
 #define V4L2_CTRL_CLASS_DETECT		0x00a30000	/* Detection controls */
+#define V4L2_CTRL_CLASS_COLORIMETRY	0x00a50000	/* Colorimetry controls */
 
 /* User-class control IDs */
 
@@ -415,6 +416,12 @@
 #define V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE		(V4L2_CID_MPEG_BASE+227)
 #define V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE		(V4L2_CID_MPEG_BASE+228)
 #define V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME		(V4L2_CID_MPEG_BASE+229)
+#define V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID	(V4L2_CID_MPEG_BASE+230)
+#define V4L2_CID_MPEG_VIDEO_AU_DELIMITER		(V4L2_CID_MPEG_BASE+231)
+#define V4L2_CID_MPEG_VIDEO_LTR_COUNT			(V4L2_CID_MPEG_BASE+232)
+#define V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX		(V4L2_CID_MPEG_BASE+233)
+#define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES		(V4L2_CID_MPEG_BASE+234)
+#define V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR		(V4L2_CID_MPEG_BASE+235)
 
 /* CIDs for the MPEG-2 Part 2 (H.262) codec */
 #define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL			(V4L2_CID_MPEG_BASE+270)
@@ -578,6 +585,15 @@
 #define V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP	(V4L2_CID_MPEG_BASE+386)
 #define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP	(V4L2_CID_MPEG_BASE+387)
 #define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP	(V4L2_CID_MPEG_BASE+388)
+#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP	(V4L2_CID_MPEG_BASE+389)
+#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP	(V4L2_CID_MPEG_BASE+390)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR	(V4L2_CID_MPEG_BASE+391)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR	(V4L2_CID_MPEG_BASE+392)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR	(V4L2_CID_MPEG_BASE+393)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR	(V4L2_CID_MPEG_BASE+394)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR	(V4L2_CID_MPEG_BASE+395)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR	(V4L2_CID_MPEG_BASE+396)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR	(V4L2_CID_MPEG_BASE+397)
 #define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP	(V4L2_CID_MPEG_BASE+400)
 #define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP	(V4L2_CID_MPEG_BASE+401)
 #define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP	(V4L2_CID_MPEG_BASE+402)
@@ -768,6 +784,15 @@
 	V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT	= 2,
 };
 
+#define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP		(V4L2_CID_MPEG_BASE + 647)
+#define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP		(V4L2_CID_MPEG_BASE + 648)
+#define V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP		(V4L2_CID_MPEG_BASE + 649)
+#define V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP		(V4L2_CID_MPEG_BASE + 650)
+#define V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP		(V4L2_CID_MPEG_BASE + 651)
+#define V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP		(V4L2_CID_MPEG_BASE + 652)
+#define V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY		(V4L2_CID_MPEG_BASE + 653)
+#define V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE	(V4L2_CID_MPEG_BASE + 654)
+
 /*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
 #define V4L2_CID_MPEG_CX2341X_BASE				(V4L2_CTRL_CLASS_MPEG | 0x1000)
 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE		(V4L2_CID_MPEG_CX2341X_BASE+0)
@@ -1171,4 +1196,38 @@
 #define V4L2_CID_DETECT_MD_THRESHOLD_GRID	(V4L2_CID_DETECT_CLASS_BASE + 3)
 #define V4L2_CID_DETECT_MD_REGION_GRID		(V4L2_CID_DETECT_CLASS_BASE + 4)
 
+#define V4L2_CID_COLORIMETRY_CLASS_BASE	(V4L2_CTRL_CLASS_COLORIMETRY | 0x900)
+#define V4L2_CID_COLORIMETRY_CLASS	(V4L2_CTRL_CLASS_COLORIMETRY | 1)
+
+#define V4L2_CID_COLORIMETRY_HDR10_CLL_INFO	(V4L2_CID_COLORIMETRY_CLASS_BASE + 0)
+
+struct v4l2_ctrl_hdr10_cll_info {
+	__u16 max_content_light_level;
+	__u16 max_pic_average_light_level;
+};
+
+#define V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY	(V4L2_CID_COLORIMETRY_CLASS_BASE + 1)
+
+#define V4L2_HDR10_MASTERING_PRIMARIES_X_LOW	5
+#define V4L2_HDR10_MASTERING_PRIMARIES_X_HIGH	37000
+#define V4L2_HDR10_MASTERING_PRIMARIES_Y_LOW	5
+#define V4L2_HDR10_MASTERING_PRIMARIES_Y_HIGH	42000
+#define V4L2_HDR10_MASTERING_WHITE_POINT_X_LOW	5
+#define V4L2_HDR10_MASTERING_WHITE_POINT_X_HIGH	37000
+#define V4L2_HDR10_MASTERING_WHITE_POINT_Y_LOW	5
+#define V4L2_HDR10_MASTERING_WHITE_POINT_Y_HIGH	42000
+#define V4L2_HDR10_MASTERING_MAX_LUMA_LOW	50000
+#define V4L2_HDR10_MASTERING_MAX_LUMA_HIGH	100000000
+#define V4L2_HDR10_MASTERING_MIN_LUMA_LOW	1
+#define V4L2_HDR10_MASTERING_MIN_LUMA_HIGH	50000
+
+struct v4l2_ctrl_hdr10_mastering_display {
+	__u16 display_primaries_x[3];
+	__u16 display_primaries_y[3];
+	__u16 white_point_x;
+	__u16 white_point_y;
+	__u32 max_display_mastering_luminance;
+	__u32 min_display_mastering_luminance;
+};
+
 #endif
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 55b8c4b..a2a0d6b0 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -70,7 +70,7 @@
  * Common stuff for both V4L1 and V4L2
  * Moved from videodev.h
  */
-#define VIDEO_MAX_FRAME               32
+#define VIDEO_MAX_FRAME               64
 #define VIDEO_MAX_PLANES               8
 
 /*
@@ -978,7 +978,9 @@
  *			descriptor associated with this plane
  * @data_offset:	offset in the plane to the start of data; usually 0,
  *			unless there is a header in front of the data
- *
+ * @reserved:		few userspace clients and drivers use reserved fields
+ *			and it is up to them how these fields are used. v4l2
+ *			simply copy reserved fields between them.
  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
  * with two planes can have one plane for Y, and another for interleaved CbCr
  * components. Each plane can reside in a separate memory buffer, or even in
@@ -993,6 +995,7 @@
 		__s32		fd;
 	} m;
 	__u32			data_offset;
+	/* reserved fields used by few userspace clients and drivers */
 	__u32			reserved[11];
 };
 
@@ -1778,6 +1781,16 @@
 	V4L2_CTRL_TYPE_U16	     = 0x0101,
 	V4L2_CTRL_TYPE_U32	     = 0x0102,
 	V4L2_CTRL_TYPE_AREA          = 0x0106,
+
+	V4L2_CTRL_TYPE_HDR10_CLL_INFO		= 0x0110,
+	V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY	= 0x0111,
+
+	V4L2_CTRL_TYPE_H264_SPS             = 0x0200,
+	V4L2_CTRL_TYPE_H264_PPS		    = 0x0201,
+	V4L2_CTRL_TYPE_H264_SCALING_MATRIX  = 0x0202,
+	V4L2_CTRL_TYPE_H264_SLICE_PARAMS    = 0x0203,
+	V4L2_CTRL_TYPE_H264_DECODE_PARAMS   = 0x0204,
+	V4L2_CTRL_TYPE_H264_PRED_WEIGHTS    = 0x0205,
 };
 
 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h
index b052355..bc740d6 100644
--- a/include/uapi/linux/virtio_ids.h
+++ b/include/uapi/linux/virtio_ids.h
@@ -45,6 +45,7 @@
 #define VIRTIO_ID_CRYPTO       20 /* virtio crypto */
 #define VIRTIO_ID_IOMMU        23 /* virtio IOMMU */
 #define VIRTIO_ID_MEM          24 /* virtio mem */
+#define VIRTIO_ID_SOUND        25 /* virtio sound */
 #define VIRTIO_ID_FS           26 /* virtio filesystem */
 #define VIRTIO_ID_PMEM         27 /* virtio pmem */
 #define VIRTIO_ID_MAC80211_HWSIM 29 /* virtio mac80211-hwsim */
diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h
index 9463db2..d22191a 100644
--- a/include/uapi/linux/xattr.h
+++ b/include/uapi/linux/xattr.h
@@ -18,8 +18,11 @@
 #if __UAPI_DEF_XATTR
 #define __USE_KERNEL_XATTR_DEFS
 
-#define XATTR_CREATE	0x1	/* set value, fail if attr already exists */
-#define XATTR_REPLACE	0x2	/* set value, fail if attr does not exist */
+#define XATTR_CREATE	 0x1	/* set value, fail if attr already exists */
+#define XATTR_REPLACE	 0x2	/* set value, fail if attr does not exist */
+#ifdef __KERNEL__ /* following is kernel internal, colocated for maintenance */
+#define XATTR_NOSECURITY 0x4	/* get value, do not involve security check */
+#endif
 #endif
 
 /* Namespaces */
diff --git a/include/uapi/linux/xfrm.h b/include/uapi/linux/xfrm.h
index 65e13a09..90ddb49 100644
--- a/include/uapi/linux/xfrm.h
+++ b/include/uapi/linux/xfrm.h
@@ -215,11 +215,6 @@
 
 	XFRM_MSG_MAPPING,
 #define XFRM_MSG_MAPPING XFRM_MSG_MAPPING
-
-	XFRM_MSG_SETDEFAULT,
-#define XFRM_MSG_SETDEFAULT XFRM_MSG_SETDEFAULT
-	XFRM_MSG_GETDEFAULT,
-#define XFRM_MSG_GETDEFAULT XFRM_MSG_GETDEFAULT
 	__XFRM_MSG_MAX
 };
 #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
@@ -520,15 +515,6 @@
 #define XFRM_OFFLOAD_IPV6	1
 #define XFRM_OFFLOAD_INBOUND	2
 
-struct xfrm_userpolicy_default {
-#define XFRM_USERPOLICY_UNSPEC	0
-#define XFRM_USERPOLICY_BLOCK	1
-#define XFRM_USERPOLICY_ACCEPT	2
-	__u8				in;
-	__u8				fwd;
-	__u8				out;
-};
-
 #ifndef __KERNEL__
 /* backwards compatibility for userspace */
 #define XFRMGRP_ACQUIRE		1
diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h
index d5eaf9d..6206b1e 100644
--- a/include/xen/swiotlb-xen.h
+++ b/include/xen/swiotlb-xen.h
@@ -9,7 +9,8 @@
 void xen_dma_sync_for_device(struct device *dev, dma_addr_t handle,
 			     size_t size, enum dma_data_direction dir);
 
-extern int xen_swiotlb_init(int verbose, bool early);
+int xen_swiotlb_init(void);
+void __init xen_swiotlb_init_early(void);
 extern const struct dma_map_ops xen_swiotlb_dma_ops;
 
 #endif /* __LINUX_SWIOTLB_XEN_H */
diff --git a/init/Kconfig b/init/Kconfig
index 9807c66..3017f17 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -26,26 +26,43 @@
 	    and then every file will be rebuilt.
 
 config CC_IS_GCC
-	def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc)
+	def_bool $(success,test "$(cc-name)" = GCC)
 
 config GCC_VERSION
 	int
-	default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
+	default $(cc-version) if CC_IS_GCC
 	default 0
 
-config LD_VERSION
-	int
-	default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh)
-
 config CC_IS_CLANG
-	def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q clang)
-
-config LD_IS_LLD
-	def_bool $(success,$(LD) -v | head -n 1 | grep -q LLD)
+	def_bool $(success,test "$(cc-name)" = Clang)
 
 config CLANG_VERSION
 	int
-	default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
+	default $(cc-version) if CC_IS_CLANG
+	default 0
+
+config AS_IS_GNU
+	def_bool $(success,test "$(as-name)" = GNU)
+
+config AS_IS_LLVM
+	def_bool $(success,test "$(as-name)" = LLVM)
+
+config AS_VERSION
+	int
+	# Use clang version if this is the integrated assembler
+	default CLANG_VERSION if AS_IS_LLVM
+	default $(as-version)
+
+config LD_IS_BFD
+	def_bool $(success,test "$(ld-name)" = BFD)
+
+config LD_VERSION
+	int
+	default $(ld-version) if LD_IS_BFD
+	default 0
+
+config LD_IS_LLD
+	def_bool $(success,test "$(ld-name)" = LLD)
 
 config AS_IS_GNU
 	def_bool $(success,test "$(as-name)" = GNU)
@@ -61,17 +78,18 @@
 
 config LLD_VERSION
 	int
-	default $(shell,$(srctree)/scripts/lld-version.sh $(LD))
+	default $(ld-version) if LD_IS_LLD
+	default 0
 
 config CC_CAN_LINK
 	bool
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag)) if 64BIT
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag))
+	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m64-flag)) if 64BIT
+	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m32-flag))
 
 config CC_CAN_LINK_STATIC
 	bool
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag) -static) if 64BIT
-	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag) -static)
+	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m64-flag) -static) if 64BIT
+	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAGS) $(m32-flag) -static)
 
 config CC_HAS_ASM_GOTO
 	def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC))
@@ -143,6 +161,20 @@
 	  here. If you are a user/distributor, say N here to exclude useless
 	  drivers to be distributed.
 
+config WERROR
+	bool "Compile the kernel with warnings as errors"
+	default y
+	help
+	  A kernel build should not cause any compiler warnings, and this
+	  enables the '-Werror' flag to enforce that rule by default.
+
+	  However, if you have a new (or very old) compiler with odd and
+	  unusual warnings, or you have some architecture with problems,
+	  you may need to disable this config option in order to
+	  successfully build the kernel.
+
+	  If in doubt, say Y.
+
 config UAPI_HEADER_TEST
 	bool "Compile test UAPI headers"
 	depends on HEADERS_INSTALL && CC_CAN_LINK
@@ -1232,6 +1264,17 @@
 	  desktop applications.  Task group autogeneration is currently based
 	  upon task session.
 
+config RT_SOFTINT_OPTIMIZATION
+       bool "Improve RT scheduling during long softint execution"
+       depends on ARM64
+       depends on SMP
+       default n
+       help
+         Enable an optimization which tries to avoid placing RT tasks on CPUs
+	 occupied by nonpreemptible tasks, such as a long softint, or CPUs
+	 which may soon block preemptions, such as a CPU running a ksoftirq
+	 thread which handles slow softints.
+
 config SYSFS_DEPRECATED
 	bool "Enable deprecated sysfs features to support old userspace tools"
 	depends on SYSFS
@@ -1639,6 +1682,11 @@
 	help
 	  Arch has userfaultfd write protection support
 
+config HAVE_ARCH_USERFAULTFD_MINOR
+	bool
+	help
+	  Arch has userfaultfd minor fault support
+
 config MEMBARRIER
 	bool "Enable membarrier() system call" if EXPERT
 	default y
@@ -2168,6 +2216,20 @@
 	  the version).  With this option, such a "srcversion" field
 	  will be created for all modules.  If unsure, say N.
 
+config MODULE_SCMVERSION
+	bool "SCM version for modules"
+	depends on LOCALVERSION_AUTO
+	help
+	  This enables the module attribute "scmversion" which can be used
+	  by developers to identify the SCM version of a given module, e.g.
+	  git sha1 or hg sha1. The SCM version can be queried by modinfo or
+	  via the sysfs node: /sys/modules/MODULENAME/scmversion. This is
+	  useful when the kernel or kernel modules are updated separately
+	  since that causes the vermagic of the kernel and the module to
+	  differ.
+
+	  If unsure, say N.
+
 config MODULE_SIG
 	bool "Module signature verification"
 	select MODULE_SIG_FORMAT
@@ -2197,6 +2259,19 @@
 	  Reject unsigned modules or signed modules for which we don't have a
 	  key.  Without this, such modules will simply taint the kernel.
 
+config MODULE_SIG_PROTECT
+	bool "Android GKI module protection"
+	depends on MODULE_SIG && !MODULE_SIG_FORCE
+	help
+	  Enables Android GKI symbol and export protection support.
+
+	  This modifies the behavior of the MODULE_SIG_FORCE as follows:
+	  - Allows Android GKI Modules signed using MODULE_SIG_ALL during build.
+	  - Allows other modules to load if they don't violate the access to
+	    Android GKI protected symbols and do not export the symbols already
+	    exported by the Android GKI modules. Loading will fail and return
+	    -EACCES (Permission denied) if symbol access contidions are not met.
+
 config MODULE_SIG_ALL
 	bool "Automatically sign all modules"
 	default y
@@ -2348,7 +2423,7 @@
 
 config MODULES_TREE_LOOKUP
 	def_bool y
-	depends on PERF_EVENTS || TRACING
+	depends on PERF_EVENTS || TRACING || CFI_CLANG
 
 config INIT_ALL_POSSIBLE
 	bool
@@ -2393,3 +2468,5 @@
 # <asm/syscall_wrapper.h>.
 config ARCH_HAS_SYSCALL_WRAPPER
 	def_bool n
+
+source "init/Kconfig.gki"
diff --git a/init/Kconfig.gki b/init/Kconfig.gki
new file mode 100644
index 0000000..1a9aac1
--- /dev/null
+++ b/init/Kconfig.gki
@@ -0,0 +1,266 @@
+config GKI_HIDDEN_DRM_CONFIGS
+	bool "Hidden DRM configs needed for GKI"
+	select DRM_KMS_HELPER if (HAS_IOMEM && DRM)
+	select DRM_GEM_SHMEM_HELPER if (DRM)
+	select DRM_GEM_CMA_HELPER
+	select DRM_KMS_CMA_HELPER
+	select DRM_MIPI_DSI
+	select DRM_TTM if (HAS_IOMEM && DRM)
+	select VIDEOMODE_HELPERS
+	select WANT_DEV_COREDUMP
+	select INTERVAL_TREE
+	help
+	  Dummy config option used to enable hidden DRM configs.
+	  These are normally selected implicitly when including a
+	  DRM module, but for GKI, the modules are built out-of-tree.
+
+config GKI_HIDDEN_REGMAP_CONFIGS
+	bool "Hidden Regmap configs needed for GKI"
+	select REGMAP_IRQ
+	select REGMAP_MMIO
+	help
+	  Dummy config option used to enable hidden regmap configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_CRYPTO_CONFIGS
+	bool "Hidden CRYPTO configs needed for GKI"
+	select CRYPTO_ENGINE
+	help
+	  Dummy config option used to enable hidden CRYPTO configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_SND_CONFIGS
+	bool "Hidden SND configs needed for GKI"
+	select SND_VMASTER
+	select SND_PCM_ELD
+	select SND_JACK
+	select SND_JACK_INPUT_DEV
+	select SND_INTEL_NHLT if (ACPI)
+	help
+	  Dummy config option used to enable hidden SND configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_SND_SOC_CONFIGS
+	bool "Hidden SND_SOC configs needed for GKI"
+	select SND_SOC_GENERIC_DMAENGINE_PCM if (SND_SOC && SND)
+	select SND_PCM_IEC958
+	select SND_SOC_COMPRESS if (SND_SOC && SND)
+	select SND_SOC_TOPOLOGY if (SND_SOC && SND)
+	select DMADEVICES
+	select DMA_VIRTUAL_CHANNELS
+	help
+	  Dummy config option used to enable hidden SND_SOC configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_MMC_CONFIGS
+	bool "Hidden MMC configs needed for GKI"
+	select MMC_SDHCI_IO_ACCESSORS if (MMC_SDHCI)
+	help
+	  Dummy config option used to enable hidden MMC configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_GPIO_CONFIGS
+	bool "Hidden GPIO configs needed for GKI"
+	select PINCTRL_SINGLE if (PINCTRL && OF && HAS_IOMEM)
+	select GPIO_PL061 if (HAS_IOMEM && ARM_AMBA && GPIOLIB)
+	help
+	  Dummy config option used to enable hidden GPIO configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_QCOM_CONFIGS
+	bool "Hidden QCOM configs needed for GKI"
+	select QCOM_SMEM_STATE
+	select QCOM_GDSC if (ARCH_QCOM)
+	select IOMMU_IO_PGTABLE_LPAE if (ARCH_QCOM)
+
+	help
+	  Dummy config option used to enable hidden QCOM configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_MEDIA_CONFIGS
+	bool "Hidden Media configs needed for GKI"
+	select VIDEOBUF2_CORE
+	select V4L2_MEM2MEM_DEV
+	select MEDIA_CONTROLLER
+	select MEDIA_CONTROLLER_REQUEST_API
+	select MEDIA_SUPPORT
+	select FRAME_VECTOR
+	select CEC_CORE
+	select CEC_NOTIFIER
+	select CEC_PIN
+	select VIDEOBUF2_DMA_CONTIG
+	select VIDEOBUF2_DMA_SG
+	help
+	  Dummy config option used to enable hidden media configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_VIRTUAL_CONFIGS
+	bool "Hidden Virtual configs needed for GKI"
+	select HVC_DRIVER
+	help
+	  Dummy config option used to enable hidden virtual device configs.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+# LEGACY_WEXT_ALLCONFIG Discussed upstream, soundly rejected as a unique
+# problem for GKI to solve.  It should be noted that these extensions are
+# in-effect deprecated and generally unsupported and we should pressure
+# the SOC vendors to drop any modules that require these extensions.
+config GKI_LEGACY_WEXT_ALLCONFIG
+	bool "Hidden wireless extension configs needed for GKI"
+	select WIRELESS_EXT
+	select WEXT_CORE
+	select WEXT_PROC
+	select WEXT_SPY
+	select WEXT_PRIV
+	help
+	  Dummy config option used to enable all the hidden legacy wireless
+	  extensions to the core wireless network functionality used by
+	  add-in modules.
+
+	  If you are not building a kernel to be used for a variety of
+	  out-of-kernel built wireless modules, say N here.
+
+config GKI_HIDDEN_USB_CONFIGS
+	bool "Hiddel USB configurations needed for GKI"
+	select USB_PHY
+	help
+	  Dummy config option used to enable all USB related hidden configs.
+	  These configurations are usually only selected by another config
+	  option or a combination of them.
+
+	  If you are not building a kernel to be used for a variety of
+	  out-of-kernel build USB drivers, say N here.
+
+config GKI_HIDDEN_SOC_BUS_CONFIGS
+	bool "Hidden SoC bus configuration needed for GKI"
+	select SOC_BUS
+	  help
+	    Dummy config option used to enable SOC_BUS hidden Kconfig.
+	    The configuration is required for SoCs to register themselves to the bus.
+
+	    If you are not building a kernel to be used for a variety of SoCs and
+	    out-of-tree drivers, say N here.
+
+config GKI_HIDDEN_RPMSG_CONFIGS
+	bool "Hidden RPMSG configuration needed for GKI"
+	select RPMSG
+	help
+	  Dummy config option used to enable the hidden RPMSG config.
+	  This configuration is usually only selected by another config
+	  option or a combination of them.
+
+	  If you are not building a kernel to be used for a variety of
+	  out-of-kernel build RPMSG drivers, say N here.
+
+config GKI_HIDDEN_GPU_CONFIGS
+	bool "Hidden GPU configuration needed for GKI"
+	select TRACE_GPU_MEM
+	select MMU_NOTIFIER
+	select HMM_MIRROR
+	help
+	  Dummy config option used to enable the hidden GPU config.
+	  These are normally selected implicitly when a module
+	  that relies on it is configured.
+
+config GKI_HIDDEN_IRQ_CONFIGS
+	bool "Hidden IRQ configuration needed for GKI"
+	select GENERIC_IRQ_CHIP
+	select IRQ_DOMAIN_HIERARCHY
+	select IRQ_FASTEOI_HIERARCHY_HANDLERS
+	help
+	  Dummy config option used to enable GENERIC_IRQ_CHIP hidden
+	  config, required by various SoC platforms. This is usually
+	  selected by ARCH_*.
+
+config GKI_HIDDEN_HYPERVISOR_CONFIGS
+	bool "Hidden hypervisor configuration needed for GKI"
+	select SYS_HYPERVISOR
+	help
+	  Dummy config option used to enable the SYS_HYPERVISOR hidden
+	  config, required by various SoC platforms. This is usually
+	  selected by XEN or S390.
+
+config GKI_HIDDEN_NET_CONFIGS
+	bool "Hidden networking configuration needed for GKI"
+	select PAGE_POOL
+	select NET_PTP_CLASSIFY
+	help
+	  Dummy config option used to enable the networking hidden
+	  config, required by various SoC platforms.
+
+config GKI_HIDDEN_PHY_CONFIGS
+	bool "Hidden PHY configuration needed for GKI"
+	select GENERIC_PHY_MIPI_DPHY
+	help
+	  Dummy config option used to enable the hidden PHY configs,
+	  required by various SoC platforms.
+
+config GKI_HIDDEN_MM_CONFIGS
+	bool "Hidden MM configuration needed for GKI"
+	select PAGE_REPORTING
+	select BALLOON_COMPACTION
+	select MEMORY_BALLOON
+	help
+	  Dummy config option used to enable hidden MM configs,
+	  currently required for VIRTIO_BALLOON
+
+config GKI_HIDDEN_DMA_CONFIGS
+	bool "Hidden DMA configuration needed for GKI"
+	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
+	help
+	  Dummy config option used to enable the hidden DMA configs,
+	  required by various SoC platforms.
+
+config GKI_HIDDEN_ETHERNET_CONFIGS
+	bool "Hidden Ethernet configuration needed for GKI"
+	select PHYLINK
+	help
+	  Dummy config option used to enable the hidden Ethernet PHYLINK
+	  configs, required by various ethernet devices.
+
+# Atrocities needed for
+# a) building GKI modules in separate tree, or
+# b) building drivers that are not modularizable
+#
+# All of these should be reworked into an upstream solution
+# if possible.
+#
+config GKI_HACKS_TO_FIX
+	bool "GKI Dummy config options"
+	select GKI_HIDDEN_CRYPTO_CONFIGS
+	select GKI_HIDDEN_DRM_CONFIGS
+	select GKI_HIDDEN_REGMAP_CONFIGS
+	select GKI_HIDDEN_SND_CONFIGS
+	select GKI_HIDDEN_SND_SOC_CONFIGS
+	select GKI_HIDDEN_MMC_CONFIGS
+	select GKI_HIDDEN_GPIO_CONFIGS
+	select GKI_HIDDEN_QCOM_CONFIGS
+	select GKI_LEGACY_WEXT_ALLCONFIG
+	select GKI_HIDDEN_MEDIA_CONFIGS
+	select GKI_HIDDEN_VIRTUAL_CONFIGS
+	select GKI_HIDDEN_USB_CONFIGS
+	select GKI_HIDDEN_SOC_BUS_CONFIGS
+	select GKI_HIDDEN_RPMSG_CONFIGS
+	select GKI_HIDDEN_GPU_CONFIGS
+	select GKI_HIDDEN_IRQ_CONFIGS
+	select GKI_HIDDEN_HYPERVISOR_CONFIGS
+	select GKI_HIDDEN_NET_CONFIGS
+	select GKI_HIDDEN_PHY_CONFIGS
+	select GKI_HIDDEN_MM_CONFIGS
+	select GKI_HIDDEN_DMA_CONFIGS
+	select GKI_HIDDEN_ETHERNET_CONFIGS
+	help
+	  Dummy config option used to enable core functionality used by
+	  modules that may not be selectable in this config.
+
+	  Unless you are building a GKI kernel to be used with modules
+	  built from a different config, say N here.
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 533d81e..cd4a811 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -83,7 +83,7 @@
 	 * In case that a resume from disk is carried out by linuxrc or one of
 	 * its children, we need to tell the freezer not to wait for us.
 	 */
-	current->flags |= PF_FREEZER_SKIP;
+	freezer_do_not_count();
 
 	info = call_usermodehelper_setup("/linuxrc", argv, envp_init,
 					 GFP_KERNEL, init_linuxrc, NULL, NULL);
diff --git a/init/init_task.c b/init/init_task.c
index 5fa18ed..9b8ad68 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -176,7 +176,7 @@
 	.numa_group	= NULL,
 	.numa_faults	= NULL,
 #endif
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	.kasan_depth	= 1,
 #endif
 #ifdef CONFIG_KCSAN
@@ -213,6 +213,10 @@
 #ifdef CONFIG_SECCOMP_FILTER
 	.seccomp	= { .filter_count = ATOMIC_INIT(0) },
 #endif
+#ifdef CONFIG_ANDROID_VENDOR_OEM_DATA
+	.android_vendor_data1 = {0, },
+	.android_oem_data1 = {0, },
+#endif
 };
 EXPORT_SYMBOL(init_task);
 
diff --git a/init/main.c b/init/main.c
index 298989b..2c940d9 100644
--- a/init/main.c
+++ b/init/main.c
@@ -40,6 +40,7 @@
 #include <linux/security.h>
 #include <linux/smp.h>
 #include <linux/profile.h>
+#include <linux/kfence.h>
 #include <linux/rcupdate.h>
 #include <linux/moduleparam.h>
 #include <linux/kallsyms.h>
@@ -97,6 +98,7 @@
 #include <linux/jump_label.h>
 #include <linux/kcsan.h>
 #include <linux/init_syscalls.h>
+#include <linux/stackdepot.h>
 
 #include <asm/io.h>
 #include <asm/setup.h>
@@ -385,16 +387,6 @@
 	return new_cmdline;
 }
 
-static u32 boot_config_checksum(unsigned char *p, u32 size)
-{
-	u32 ret = 0;
-
-	while (size--)
-		ret += *p++;
-
-	return ret;
-}
-
 static int __init bootconfig_params(char *param, char *val,
 				    const char *unused, void *arg)
 {
@@ -438,7 +430,7 @@
 		return;
 	}
 
-	if (boot_config_checksum((unsigned char *)data, size) != csum) {
+	if (xbc_calc_checksum(data, size) != csum) {
 		pr_err("bootconfig checksum failed\n");
 		return;
 	}
@@ -822,8 +814,10 @@
 	 * bigger than MAX_ORDER unless SPARSEMEM.
 	 */
 	page_ext_init_flatmem();
-	init_debug_pagealloc();
+	init_mem_debugging_and_hardening();
+	kfence_alloc_pool();
 	report_meminit();
+	stack_depot_init();
 	mem_init();
 	kmem_cache_init();
 	kmemleak_init();
@@ -949,6 +943,7 @@
 	hrtimers_init();
 	softirq_init();
 	timekeeping_init();
+	kfence_init();
 	time_init();
 
 	/*
diff --git a/io_uring/io-wq.h b/io_uring/io-wq.h
index 48721cb..a5e9619 100644
--- a/io_uring/io-wq.h
+++ b/io_uring/io-wq.h
@@ -1,6 +1,17 @@
 #ifndef INTERNAL_IO_WQ_H
 #define INTERNAL_IO_WQ_H
 
+#ifdef __GENKSYMS__
+/*
+ * ANDROID ABI HACK
+ *
+ * See the big comment in the linux/io_uring.h file for details.  This
+ * include is not needed for any real functionality, but must be here to
+ * preserve the CRC of a number of variables and functions.
+ */
+#include <linux/io_uring.h>
+#endif
+
 #include <linux/refcount.h>
 
 struct io_wq;
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 936abc6..acf6d5d 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -461,6 +461,15 @@
 	};
 };
 
+#ifndef __GENKSYMS__
+/*
+ * ANDROID ABI HACK
+ *
+ * See the big comment in the linux/io_uring.h file for details.  This
+ * structure definition should NOT be used if __GENKSYMS__ is enabled,
+ * as a "fake" structure definition has already been read in the
+ * linux/io_uring.h file in order to preserve the Android kernel ABI.
+ */
 struct io_uring_task {
 	/* submission side */
 	int			cached_refs;
@@ -477,6 +486,7 @@
 	struct callback_head	task_work;
 	bool			task_running;
 };
+#endif
 
 /*
  * First field must be the file pointer in all the
diff --git a/kernel/Makefile b/kernel/Makefile
index 82e9c843..b2e240e 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -38,6 +38,9 @@
 KCSAN_SANITIZE_kcov.o := n
 CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
 
+# Don't instrument error handlers
+CFLAGS_REMOVE_cfi.o := $(CC_FLAGS_CFI)
+
 obj-y += sched/
 obj-y += locking/
 obj-y += power/
@@ -63,6 +66,7 @@
 obj-$(CONFIG_MODULES) += module.o
 obj-$(CONFIG_MODULE_SIG) += module_signing.o
 obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o
+obj-$(CONFIG_MODULE_SIG_PROTECT) += gki_module.o
 obj-$(CONFIG_KALLSYMS) += kallsyms.o
 obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
 obj-$(CONFIG_CRASH_CORE) += crash_core.o
@@ -108,6 +112,7 @@
 obj-$(CONFIG_KCSAN) += kcsan/
 obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
 obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call.o
+obj-$(CONFIG_CFI_CLANG) += cfi.o
 
 obj-$(CONFIG_PERF_EVENTS) += events/
 
@@ -151,3 +156,19 @@
 	$(call cmd,genikh)
 
 clean-files := kheaders_data.tar.xz kheaders.md5
+
+#
+# ANDROID: GKI: Generate headerfiles required for gki_module.o
+#
+# Dependencies on generated files need to be listed explicitly
+$(obj)/gki_module.o: $(obj)/gki_module_protected.h $(obj)/gki_module_exported.h
+
+$(obj)/gki_module_protected.h: $(srctree)/android/abi_gki_modules_protected \
+				$(srctree)/scripts/gen_gki_modules_headers.sh
+	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/gen_gki_modules_headers.sh $@ \
+	"$(srctree)"
+
+$(obj)/gki_module_exported.h: $(srctree)/android/abi_gki_modules_exports \
+				$(srctree)/scripts/gen_gki_modules_headers.sh
+	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/gen_gki_modules_headers.sh $@ \
+	"$(srctree)"
diff --git a/kernel/audit.h b/kernel/audit.h
index 1918019..3b9c094 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -191,10 +191,6 @@
 		struct {
 			char			*name;
 		} module;
-		struct {
-			struct audit_ntp_data	ntp_data;
-			struct timespec64	tk_injoffset;
-		} time;
 	};
 	int fds[2];
 	struct audit_proctitle proctitle;
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 57b982b..a221263 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1214,53 +1214,6 @@
 			 from_kuid(&init_user_ns, name->fcap.rootid));
 }
 
-static void audit_log_time(struct audit_context *context, struct audit_buffer **ab)
-{
-	const struct audit_ntp_data *ntp = &context->time.ntp_data;
-	const struct timespec64 *tk = &context->time.tk_injoffset;
-	static const char * const ntp_name[] = {
-		"offset",
-		"freq",
-		"status",
-		"tai",
-		"tick",
-		"adjust",
-	};
-	int type;
-
-	if (context->type == AUDIT_TIME_ADJNTPVAL) {
-		for (type = 0; type < AUDIT_NTP_NVALS; type++) {
-			if (ntp->vals[type].newval != ntp->vals[type].oldval) {
-				if (!*ab) {
-					*ab = audit_log_start(context,
-							GFP_KERNEL,
-							AUDIT_TIME_ADJNTPVAL);
-					if (!*ab)
-						return;
-				}
-				audit_log_format(*ab, "op=%s old=%lli new=%lli",
-						 ntp_name[type],
-						 ntp->vals[type].oldval,
-						 ntp->vals[type].newval);
-				audit_log_end(*ab);
-				*ab = NULL;
-			}
-		}
-	}
-	if (tk->tv_sec != 0 || tk->tv_nsec != 0) {
-		if (!*ab) {
-			*ab = audit_log_start(context, GFP_KERNEL,
-					      AUDIT_TIME_INJOFFSET);
-			if (!*ab)
-				return;
-		}
-		audit_log_format(*ab, "sec=%lli nsec=%li",
-				 (long long)tk->tv_sec, tk->tv_nsec);
-		audit_log_end(*ab);
-		*ab = NULL;
-	}
-}
-
 static void show_special(struct audit_context *context, int *call_panic)
 {
 	struct audit_buffer *ab;
@@ -1366,11 +1319,6 @@
 			audit_log_format(ab, "(null)");
 
 		break;
-	case AUDIT_TIME_ADJNTPVAL:
-	case AUDIT_TIME_INJOFFSET:
-		/* this call deviates from the rest, eating the buffer */
-		audit_log_time(context, &ab);
-		break;
 	}
 	audit_log_end(ab);
 }
@@ -2614,26 +2562,31 @@
 
 void __audit_tk_injoffset(struct timespec64 offset)
 {
-	struct audit_context *context = audit_context();
+	audit_log(audit_context(), GFP_KERNEL, AUDIT_TIME_INJOFFSET,
+		  "sec=%lli nsec=%li",
+		  (long long)offset.tv_sec, offset.tv_nsec);
+}
 
-	/* only set type if not already set by NTP */
-	if (!context->type)
-		context->type = AUDIT_TIME_INJOFFSET;
-	memcpy(&context->time.tk_injoffset, &offset, sizeof(offset));
+static void audit_log_ntp_val(const struct audit_ntp_data *ad,
+			      const char *op, enum audit_ntp_type type)
+{
+	const struct audit_ntp_val *val = &ad->vals[type];
+
+	if (val->newval == val->oldval)
+		return;
+
+	audit_log(audit_context(), GFP_KERNEL, AUDIT_TIME_ADJNTPVAL,
+		  "op=%s old=%lli new=%lli", op, val->oldval, val->newval);
 }
 
 void __audit_ntp_log(const struct audit_ntp_data *ad)
 {
-	struct audit_context *context = audit_context();
-	int type;
-
-	for (type = 0; type < AUDIT_NTP_NVALS; type++)
-		if (ad->vals[type].newval != ad->vals[type].oldval) {
-			/* unconditionally set type, overwriting TK */
-			context->type = AUDIT_TIME_ADJNTPVAL;
-			memcpy(&context->time.ntp_data, ad, sizeof(*ad));
-			break;
-		}
+	audit_log_ntp_val(ad, "offset",	AUDIT_NTP_OFFSET);
+	audit_log_ntp_val(ad, "freq",	AUDIT_NTP_FREQ);
+	audit_log_ntp_val(ad, "status",	AUDIT_NTP_STATUS);
+	audit_log_ntp_val(ad, "tai",	AUDIT_NTP_TAI);
+	audit_log_ntp_val(ad, "tick",	AUDIT_NTP_TICK);
+	audit_log_ntp_val(ad, "adjust",	AUDIT_NTP_ADJUST);
 }
 
 void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
diff --git a/kernel/bounds.c b/kernel/bounds.c
index 9795d75..b529182 100644
--- a/kernel/bounds.c
+++ b/kernel/bounds.c
@@ -22,6 +22,13 @@
 	DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS));
 #endif
 	DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
+#ifdef CONFIG_LRU_GEN
+	DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1));
+	DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2);
+#else
+	DEFINE(LRU_GEN_WIDTH, 0);
+	DEFINE(__LRU_REFS_WIDTH, 0);
+#endif
 	/* End of constants */
 
 	return 0;
diff --git a/kernel/bpf/Makefile b/kernel/bpf/Makefile
index c1b9f71..bfdc63d 100644
--- a/kernel/bpf/Makefile
+++ b/kernel/bpf/Makefile
@@ -36,3 +36,6 @@
 obj-${CONFIG_BPF_LSM} += bpf_lsm.o
 endif
 obj-$(CONFIG_BPF_PRELOAD) += preload/
+ifeq ($(CONFIG_FUSE_BPF),y)
+obj-$(CONFIG_BPF_SYSCALL) += bpf_fuse.o
+endif
diff --git a/kernel/bpf/bpf_fuse.c b/kernel/bpf/bpf_fuse.c
new file mode 100644
index 0000000..00738c8
--- /dev/null
+++ b/kernel/bpf/bpf_fuse.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2021 Google LLC
+
+#include <linux/filter.h>
+#include <linux/fuse.h>
+
+static const struct bpf_func_proto *
+fuse_prog_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
+{
+	switch (func_id) {
+	case BPF_FUNC_trace_printk:
+			return bpf_get_trace_printk_proto();
+
+	case BPF_FUNC_get_current_uid_gid:
+			return &bpf_get_current_uid_gid_proto;
+
+	case BPF_FUNC_get_current_pid_tgid:
+			return &bpf_get_current_pid_tgid_proto;
+
+	case BPF_FUNC_map_lookup_elem:
+		return &bpf_map_lookup_elem_proto;
+
+	case BPF_FUNC_map_update_elem:
+		return &bpf_map_update_elem_proto;
+
+	default:
+		pr_debug("Invalid fuse bpf func %d\n", func_id);
+		return NULL;
+	}
+}
+
+static bool fuse_prog_is_valid_access(int off, int size,
+				enum bpf_access_type type,
+				const struct bpf_prog *prog,
+				struct bpf_insn_access_aux *info)
+{
+	int i;
+
+	if (off < 0 || off > offsetofend(struct fuse_bpf_args, out_args))
+		return false;
+
+	/* TODO This is garbage. Do it properly */
+	for (i = 0; i < 5; i++) {
+		if (off == offsetof(struct fuse_bpf_args, in_args[i].value)) {
+			info->reg_type = PTR_TO_RDONLY_BUF;
+			info->ctx_field_size = 256;
+			if (type != BPF_READ)
+				return false;
+			return true;
+		}
+	}
+	for (i = 0; i < 3; i++) {
+		if (off == offsetof(struct fuse_bpf_args, out_args[i].value)) {
+			info->reg_type = PTR_TO_RDWR_BUF;
+			info->ctx_field_size = 256;
+			return true;
+		}
+	}
+	if (type != BPF_READ)
+		return false;
+
+	return true;
+}
+
+const struct bpf_verifier_ops fuse_verifier_ops = {
+	.get_func_proto  = fuse_prog_func_proto,
+	.is_valid_access = fuse_prog_is_valid_access,
+};
+
+const struct bpf_prog_ops fuse_prog_ops = {
+};
+
diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index ac283f9..d97de35 100644
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -10,6 +10,7 @@
 #include <linux/seq_file.h>
 #include <linux/refcount.h>
 #include <linux/mutex.h>
+#include <trace/hooks/memory.h>
 
 enum bpf_struct_ops_state {
 	BPF_STRUCT_OPS_STATE_INIT,
@@ -451,7 +452,9 @@
 	bpf_map_inc(map);
 
 	set_memory_ro((long)st_map->image, 1);
+	trace_android_vh_set_memory_ro((unsigned long)st_map->image, 1);
 	set_memory_x((long)st_map->image, 1);
+	trace_android_vh_set_memory_x((unsigned long)st_map->image, 1);
 	err = st_ops->reg(kdata);
 	if (likely(!err)) {
 		/* Pair with smp_load_acquire() during lookup_elem().
@@ -535,6 +538,8 @@
 	if (st_map->progs)
 		bpf_struct_ops_map_put_progs(st_map);
 	bpf_map_area_free(st_map->progs);
+	trace_android_vh_set_memory_rw((unsigned long)st_map->image, 1);
+	trace_android_vh_set_memory_nx((unsigned long)st_map->image, 1);
 	bpf_jit_free_exec(st_map->image);
 	bpf_map_area_free(st_map->uvalue);
 	bpf_map_area_free(st_map);
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 06c028b..f9f46c3 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -3,6 +3,7 @@
 
 #include <uapi/linux/btf.h>
 #include <uapi/linux/bpf.h>
+#include <uapi/linux/fuse.h>
 #include <uapi/linux/bpf_perf_event.h>
 #include <uapi/linux/types.h>
 #include <linux/seq_file.h>
diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index 85927c2..d3593a5 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -1546,52 +1546,6 @@
 	sockopt_free_buf(&ctx);
 	return ret;
 }
-
-int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level,
-					    int optname, void *optval,
-					    int *optlen, int retval)
-{
-	struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data);
-	struct bpf_sockopt_kern ctx = {
-		.sk = sk,
-		.level = level,
-		.optname = optname,
-		.retval = retval,
-		.optlen = *optlen,
-		.optval = optval,
-		.optval_end = optval + *optlen,
-	};
-	int ret;
-
-	/* Note that __cgroup_bpf_run_filter_getsockopt doesn't copy
-	 * user data back into BPF buffer when reval != 0. This is
-	 * done as an optimization to avoid extra copy, assuming
-	 * kernel won't populate the data in case of an error.
-	 * Here we always pass the data and memset() should
-	 * be called if that data shouldn't be "exported".
-	 */
-
-	ret = BPF_PROG_RUN_ARRAY(cgrp->bpf.effective[BPF_CGROUP_GETSOCKOPT],
-				 &ctx, BPF_PROG_RUN);
-	if (!ret)
-		return -EPERM;
-
-	if (ctx.optlen > *optlen)
-		return -EFAULT;
-
-	/* BPF programs only allowed to set retval to 0, not some
-	 * arbitrary value.
-	 */
-	if (ctx.retval != 0 && ctx.retval != retval)
-		return -EFAULT;
-
-	/* BPF programs can shrink the buffer, export the modifications.
-	 */
-	if (ctx.optlen != 0)
-		*optlen = ctx.optlen;
-
-	return ctx.retval;
-}
 #endif
 
 static ssize_t sysctl_cpy_dir(const struct ctl_dir *dir, char **bufp,
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 33ea6ab..0498bcf 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -37,6 +37,8 @@
 #include <asm/barrier.h>
 #include <asm/unaligned.h>
 
+#include <trace/hooks/memory.h>
+
 /* Registers */
 #define BPF_R0	regs[BPF_REG_0]
 #define BPF_R1	regs[BPF_REG_1]
@@ -908,6 +910,8 @@
 {
 	u32 pages = hdr->pages;
 
+	trace_android_vh_set_memory_rw((unsigned long)hdr, pages);
+	trace_android_vh_set_memory_nx((unsigned long)hdr, pages);
 	bpf_jit_free_exec(hdr);
 	bpf_jit_uncharge_modmem(pages);
 }
@@ -2351,6 +2355,7 @@
 EXPORT_SYMBOL(bpf_stats_enabled_key);
 
 /* All definitions of tracepoints related to BPF. */
+#undef TRACE_INCLUDE_PATH
 #define CREATE_TRACE_POINTS
 #include <linux/bpf_trace.h>
 
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index aaad2dc..5893329 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -32,6 +32,8 @@
 #include <linux/bpf-netns.h>
 #include <linux/rcupdate_trace.h>
 
+#include <trace/hooks/syscall_check.h>
+
 #define IS_FD_ARRAY(map) ((map)->map_type == BPF_MAP_TYPE_PERF_EVENT_ARRAY || \
 			  (map)->map_type == BPF_MAP_TYPE_CGROUP_ARRAY || \
 			  (map)->map_type == BPF_MAP_TYPE_ARRAY_OF_MAPS)
@@ -4398,6 +4400,8 @@
 	if (copy_from_user(&attr, uattr, size) != 0)
 		return -EFAULT;
 
+	trace_android_vh_check_bpf_syscall(cmd, &attr, size);
+
 	err = security_bpf(cmd, &attr, size);
 	if (err < 0)
 		return err;
diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
index 87becf7..3988776 100644
--- a/kernel/bpf/trampoline.c
+++ b/kernel/bpf/trampoline.c
@@ -9,6 +9,7 @@
 #include <linux/btf.h>
 #include <linux/rcupdate_trace.h>
 #include <linux/rcupdate_wait.h>
+#include <trace/hooks/memory.h>
 
 /* dummy _ops. The verifier will operate on target program's ops. */
 const struct bpf_verifier_ops bpf_extension_verifier_ops = {
@@ -38,6 +39,7 @@
 	 * everytime new program is attached or detached.
 	 */
 	set_memory_x((long)image, 1);
+	trace_android_vh_set_memory_x((unsigned long)image, 1);
 	return image;
 }
 
@@ -171,6 +173,7 @@
 
 	im = container_of(work, struct bpf_tramp_image, work);
 	bpf_image_ksym_del(&im->ksym);
+	trace_android_vh_set_memory_nx((unsigned long)im->image, 1);
 	bpf_jit_free_exec(im->image);
 	bpf_jit_uncharge_modmem(1);
 	percpu_ref_exit(&im->pcref);
diff --git a/kernel/cfi.c b/kernel/cfi.c
new file mode 100644
index 0000000..44b8bda
--- /dev/null
+++ b/kernel/cfi.c
@@ -0,0 +1,352 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Clang Control Flow Integrity (CFI) error and slowpath handling.
+ *
+ * Copyright (C) 2019 Google LLC
+ */
+
+#include <linux/hardirq.h>
+#include <linux/kallsyms.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/printk.h>
+#include <linux/ratelimit.h>
+#include <linux/rcupdate.h>
+#include <linux/vmalloc.h>
+#include <asm/cacheflush.h>
+#include <asm/set_memory.h>
+
+/* Compiler-defined handler names */
+#ifdef CONFIG_CFI_PERMISSIVE
+#define cfi_failure_handler	__ubsan_handle_cfi_check_fail
+#define cfi_slowpath_handler	__cfi_slowpath_diag
+#else /* enforcing */
+#define cfi_failure_handler	__ubsan_handle_cfi_check_fail_abort
+#define cfi_slowpath_handler	__cfi_slowpath
+#endif /* CONFIG_CFI_PERMISSIVE */
+
+static inline void handle_cfi_failure(void *ptr)
+{
+	if (IS_ENABLED(CONFIG_CFI_PERMISSIVE))
+		WARN_RATELIMIT(1, "CFI failure (target: %pS):\n", ptr);
+	else
+		panic("CFI failure (target: %pS)\n", ptr);
+}
+
+#ifdef CONFIG_MODULES
+#ifdef CONFIG_CFI_CLANG_SHADOW
+/*
+ * Index type. A 16-bit index can address at most (2^16)-2 pages (taking
+ * into account SHADOW_INVALID), i.e. ~256M with 4k pages.
+ */
+typedef u16 shadow_t;
+#define SHADOW_INVALID		((shadow_t)~0UL)
+
+struct cfi_shadow {
+	/* Page index for the beginning of the shadow */
+	unsigned long base;
+	/* An array of __cfi_check locations (as indices to the shadow) */
+	shadow_t shadow[1];
+} __packed;
+
+/*
+ * The shadow covers ~128M from the beginning of the module region. If
+ * the region is larger, we fall back to __module_address for the rest.
+ */
+#define __SHADOW_RANGE		(_UL(SZ_128M) >> PAGE_SHIFT)
+
+/* The in-memory size of struct cfi_shadow, always at least one page */
+#define __SHADOW_PAGES		((__SHADOW_RANGE * sizeof(shadow_t)) >> PAGE_SHIFT)
+#define SHADOW_PAGES		max(1UL, __SHADOW_PAGES)
+#define SHADOW_SIZE		(SHADOW_PAGES << PAGE_SHIFT)
+
+/* The actual size of the shadow array, minus metadata */
+#define SHADOW_ARR_SIZE		(SHADOW_SIZE - offsetof(struct cfi_shadow, shadow))
+#define SHADOW_ARR_SLOTS	(SHADOW_ARR_SIZE / sizeof(shadow_t))
+
+static DEFINE_MUTEX(shadow_update_lock);
+static struct cfi_shadow __rcu *cfi_shadow __read_mostly;
+
+/* Returns the index in the shadow for the given address */
+static inline int ptr_to_shadow(const struct cfi_shadow *s, unsigned long ptr)
+{
+	unsigned long index;
+	unsigned long page = ptr >> PAGE_SHIFT;
+
+	if (unlikely(page < s->base))
+		return -1; /* Outside of module area */
+
+	index = page - s->base;
+
+	if (index >= SHADOW_ARR_SLOTS)
+		return -1; /* Cannot be addressed with shadow */
+
+	return (int)index;
+}
+
+/* Returns the page address for an index in the shadow */
+static inline unsigned long shadow_to_ptr(const struct cfi_shadow *s,
+	int index)
+{
+	if (unlikely(index < 0 || index >= SHADOW_ARR_SLOTS))
+		return 0;
+
+	return (s->base + index) << PAGE_SHIFT;
+}
+
+/* Returns the __cfi_check function address for the given shadow location */
+static inline unsigned long shadow_to_check_fn(const struct cfi_shadow *s,
+	int index)
+{
+	if (unlikely(index < 0 || index >= SHADOW_ARR_SLOTS))
+		return 0;
+
+	if (unlikely(s->shadow[index] == SHADOW_INVALID))
+		return 0;
+
+	/* __cfi_check is always page aligned */
+	return (s->base + s->shadow[index]) << PAGE_SHIFT;
+}
+
+static void prepare_next_shadow(const struct cfi_shadow __rcu *prev,
+		struct cfi_shadow *next)
+{
+	int i, index, check;
+
+	/* Mark everything invalid */
+	memset(next->shadow, 0xFF, SHADOW_ARR_SIZE);
+
+	if (!prev)
+		return; /* No previous shadow */
+
+	/* If the base address didn't change, an update is not needed */
+	if (prev->base == next->base) {
+		memcpy(next->shadow, prev->shadow, SHADOW_ARR_SIZE);
+		return;
+	}
+
+	/* Convert the previous shadow to the new address range */
+	for (i = 0; i < SHADOW_ARR_SLOTS; ++i) {
+		if (prev->shadow[i] == SHADOW_INVALID)
+			continue;
+
+		index = ptr_to_shadow(next, shadow_to_ptr(prev, i));
+		if (index < 0)
+			continue;
+
+		check = ptr_to_shadow(next,
+				shadow_to_check_fn(prev, prev->shadow[i]));
+		if (check < 0)
+			continue;
+
+		next->shadow[index] = (shadow_t)check;
+	}
+}
+
+static void add_module_to_shadow(struct cfi_shadow *s, struct module *mod,
+			unsigned long min_addr, unsigned long max_addr)
+{
+	int check_index;
+	unsigned long check = (unsigned long)mod->cfi_check;
+	unsigned long ptr;
+
+	if (unlikely(!PAGE_ALIGNED(check))) {
+		pr_warn("cfi: not using shadow for module %s\n", mod->name);
+		return;
+	}
+
+	check_index = ptr_to_shadow(s, check);
+	if (check_index < 0)
+		return; /* Module not addressable with shadow */
+
+	/* For each page, store the check function index in the shadow */
+	for (ptr = min_addr; ptr <= max_addr; ptr += PAGE_SIZE) {
+		int index = ptr_to_shadow(s, ptr);
+
+		if (index >= 0) {
+			/* Each page must only contain one module */
+			WARN_ON_ONCE(s->shadow[index] != SHADOW_INVALID);
+			s->shadow[index] = (shadow_t)check_index;
+		}
+	}
+}
+
+static void remove_module_from_shadow(struct cfi_shadow *s, struct module *mod,
+		unsigned long min_addr, unsigned long max_addr)
+{
+	unsigned long ptr;
+
+	for (ptr = min_addr; ptr <= max_addr; ptr += PAGE_SIZE) {
+		int index = ptr_to_shadow(s, ptr);
+
+		if (index >= 0)
+			s->shadow[index] = SHADOW_INVALID;
+	}
+}
+
+typedef void (*update_shadow_fn)(struct cfi_shadow *, struct module *,
+			unsigned long min_addr, unsigned long max_addr);
+
+static void update_shadow(struct module *mod, unsigned long base_addr,
+		update_shadow_fn fn)
+{
+	struct cfi_shadow *prev;
+	struct cfi_shadow *next;
+	unsigned long min_addr, max_addr;
+
+	next = (struct cfi_shadow *)vmalloc(SHADOW_SIZE);
+	WARN_ON(!next);
+
+	mutex_lock(&shadow_update_lock);
+	prev = rcu_dereference_protected(cfi_shadow,
+					 mutex_is_locked(&shadow_update_lock));
+
+	if (next) {
+		next->base = base_addr >> PAGE_SHIFT;
+		prepare_next_shadow(prev, next);
+
+		min_addr = (unsigned long)mod->core_layout.base;
+		max_addr = min_addr + mod->core_layout.text_size;
+		fn(next, mod, min_addr & PAGE_MASK, max_addr & PAGE_MASK);
+
+		set_memory_ro((unsigned long)next, SHADOW_PAGES);
+	}
+
+	rcu_assign_pointer(cfi_shadow, next);
+	mutex_unlock(&shadow_update_lock);
+	synchronize_rcu_expedited();
+
+	if (prev) {
+		set_memory_rw((unsigned long)prev, SHADOW_PAGES);
+		vfree(prev);
+	}
+}
+
+void cfi_module_add(struct module *mod, unsigned long base_addr)
+{
+	update_shadow(mod, base_addr, add_module_to_shadow);
+}
+
+void cfi_module_remove(struct module *mod, unsigned long base_addr)
+{
+	update_shadow(mod, base_addr, remove_module_from_shadow);
+}
+
+static inline cfi_check_fn ptr_to_check_fn(const struct cfi_shadow __rcu *s,
+	unsigned long ptr)
+{
+	int index;
+
+	if (unlikely(!s))
+		return NULL; /* No shadow available */
+
+	index = ptr_to_shadow(s, ptr);
+	if (index < 0)
+		return NULL; /* Cannot be addressed with shadow */
+
+	return (cfi_check_fn)shadow_to_check_fn(s, index);
+}
+
+static inline cfi_check_fn __find_shadow_check_fn(unsigned long ptr)
+{
+	cfi_check_fn fn;
+
+	rcu_read_lock_sched_notrace();
+	fn = ptr_to_check_fn(rcu_dereference_sched(cfi_shadow), ptr);
+	rcu_read_unlock_sched_notrace();
+
+	return fn;
+}
+
+#else /* !CONFIG_CFI_CLANG_SHADOW */
+
+static inline cfi_check_fn __find_shadow_check_fn(unsigned long ptr)
+{
+	return NULL;
+}
+
+#endif /* CONFIG_CFI_CLANG_SHADOW */
+
+static inline cfi_check_fn __find_module_check_fn(unsigned long ptr)
+{
+	cfi_check_fn fn = NULL;
+	struct module *mod;
+
+	rcu_read_lock_sched_notrace();
+	mod = __module_address(ptr);
+	if (mod)
+		fn = mod->cfi_check;
+	rcu_read_unlock_sched_notrace();
+
+	return fn;
+}
+
+static inline cfi_check_fn find_check_fn(unsigned long ptr)
+{
+	bool rcu;
+	cfi_check_fn fn = NULL;
+
+	/*
+	 * Indirect call checks can happen when RCU is not watching. Both
+	 * the shadow and __module_address use RCU, so we need to wake it
+	 * up before proceeding. Use rcu_nmi_enter/exit() as these calls
+	 * can happen anywhere.
+	 */
+	rcu = rcu_is_watching();
+	if (!rcu)
+		rcu_nmi_enter();
+
+	if (IS_ENABLED(CONFIG_CFI_CLANG_SHADOW)) {
+		fn = __find_shadow_check_fn(ptr);
+		if (fn)
+			goto out;
+	}
+
+	if (is_kernel_text(ptr)) {
+		fn = __cfi_check;
+		goto out;
+	}
+
+	fn = __find_module_check_fn(ptr);
+
+out:
+	if (!rcu)
+		rcu_nmi_exit();
+
+	return fn;
+}
+
+void cfi_slowpath_handler(uint64_t id, void *ptr, void *diag)
+{
+	cfi_check_fn fn = find_check_fn((unsigned long)ptr);
+
+	if (!IS_ENABLED(CONFIG_CFI_PERMISSIVE))
+		diag = NULL;
+
+	if (likely(fn))
+		fn(id, ptr, diag);
+	else /* Don't allow unchecked modules */
+		handle_cfi_failure(ptr);
+}
+
+#else /* !CONFIG_MODULES */
+
+void cfi_slowpath_handler(uint64_t id, void *ptr, void *diag)
+{
+	handle_cfi_failure(ptr); /* No modules */
+}
+
+#endif /* CONFIG_MODULES */
+
+EXPORT_SYMBOL(cfi_slowpath_handler);
+
+void cfi_failure_handler(void *data, void *ptr, void *vtable)
+{
+	handle_cfi_failure(ptr);
+}
+EXPORT_SYMBOL(cfi_failure_handler);
+
+void __cfi_check_fail(void *data, void *ptr)
+{
+	handle_cfi_failure(ptr);
+}
diff --git a/kernel/cgroup/Makefile b/kernel/cgroup/Makefile
index 5d7a76b..c8bc5cb 100644
--- a/kernel/cgroup/Makefile
+++ b/kernel/cgroup/Makefile
@@ -6,3 +6,4 @@
 obj-$(CONFIG_CGROUP_RDMA) += rdma.o
 obj-$(CONFIG_CPUSETS) += cpuset.o
 obj-$(CONFIG_CGROUP_DEBUG) += debug.o
+obj-$(CONFIG_ANDROID_VENDOR_HOOKS) += vendor_hooks.o
diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h
index d8fcc13..c45ba89 100644
--- a/kernel/cgroup/cgroup-internal.h
+++ b/kernel/cgroup/cgroup-internal.h
@@ -165,7 +165,6 @@
 #define DEFINE_CGROUP_MGCTX(name)						\
 	struct cgroup_mgctx name = CGROUP_MGCTX_INIT(name)
 
-extern struct mutex cgroup_mutex;
 extern spinlock_t css_set_lock;
 extern struct cgroup_subsys *cgroup_subsys[];
 extern struct list_head cgroup_roots;
@@ -250,7 +249,8 @@
 int cgroup_attach_task(struct cgroup *dst_cgrp, struct task_struct *leader,
 		       bool threadgroup);
 struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup,
-					     bool *locked)
+					     bool *locked,
+					     struct cgroup *dst_cgrp);
 	__acquires(&cgroup_threadgroup_rwsem);
 void cgroup_procs_write_finish(struct task_struct *task, bool locked)
 	__releases(&cgroup_threadgroup_rwsem);
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index b044ce3..3a5941c 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -17,6 +17,7 @@
 #include <linux/fs_parser.h>
 
 #include <trace/events/cgroup.h>
+#include <trace/hooks/cgroup.h>
 
 /*
  * pidlists linger the following amount before being destroyed.  The goal
@@ -500,7 +501,7 @@
 	if (!cgrp)
 		return -ENODEV;
 
-	task = cgroup_procs_write_start(buf, threadgroup, &locked);
+	task = cgroup_procs_write_start(buf, threadgroup, &locked, cgrp);
 	ret = PTR_ERR_OR_ZERO(task);
 	if (ret)
 		goto out_unlock;
@@ -514,13 +515,15 @@
 	tcred = get_task_cred(task);
 	if (!uid_eq(cred->euid, GLOBAL_ROOT_UID) &&
 	    !uid_eq(cred->euid, tcred->uid) &&
-	    !uid_eq(cred->euid, tcred->suid))
+	    !uid_eq(cred->euid, tcred->suid) &&
+	    !ns_capable(tcred->user_ns, CAP_SYS_NICE))
 		ret = -EACCES;
 	put_cred(tcred);
 	if (ret)
 		goto out_finish;
 
 	ret = cgroup_attach_task(cgrp, task, threadgroup);
+	trace_android_vh_cgroup_set_task(ret, task);
 
 out_finish:
 	cgroup_procs_write_finish(task, locked);
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 11400eb..291d813 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -62,6 +62,9 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/cgroup.h>
+#undef CREATE_TRACE_POINTS
+
+#include <trace/hooks/cgroup.h>
 
 #define CGROUP_FILE_NAME_MAX		(MAX_CGROUP_TYPE_NAMELEN +	\
 					 MAX_CFTYPE_NAME + 2)
@@ -210,6 +213,22 @@
 static struct file_system_type cgroup2_fs_type;
 static struct cftype cgroup_base_files[];
 
+/* cgroup optional features */
+enum cgroup_opt_features {
+#ifdef CONFIG_PSI
+	OPT_FEATURE_PRESSURE,
+#endif
+	OPT_FEATURE_COUNT
+};
+
+static const char *cgroup_opt_feature_names[OPT_FEATURE_COUNT] = {
+#ifdef CONFIG_PSI
+	"pressure",
+#endif
+};
+
+static u16 cgroup_feature_disable_mask __read_mostly;
+
 static int cgroup_apply_control(struct cgroup *cgrp);
 static void cgroup_finalize_control(struct cgroup *cgrp, int ret);
 static void css_task_iter_skip(struct css_task_iter *it,
@@ -737,8 +756,7 @@
 	.task_iters		= LIST_HEAD_INIT(init_css_set.task_iters),
 	.threaded_csets		= LIST_HEAD_INIT(init_css_set.threaded_csets),
 	.cgrp_links		= LIST_HEAD_INIT(init_css_set.cgrp_links),
-	.mg_src_preload_node	= LIST_HEAD_INIT(init_css_set.mg_src_preload_node),
-	.mg_dst_preload_node	= LIST_HEAD_INIT(init_css_set.mg_dst_preload_node),
+	.mg_preload_node	= LIST_HEAD_INIT(init_css_set.mg_preload_node),
 	.mg_node		= LIST_HEAD_INIT(init_css_set.mg_node),
 
 	/*
@@ -1213,8 +1231,7 @@
 	INIT_LIST_HEAD(&cset->threaded_csets);
 	INIT_HLIST_NODE(&cset->hlist);
 	INIT_LIST_HEAD(&cset->cgrp_links);
-	INIT_LIST_HEAD(&cset->mg_src_preload_node);
-	INIT_LIST_HEAD(&cset->mg_dst_preload_node);
+	INIT_LIST_HEAD(&cset->mg_preload_node);
 	INIT_LIST_HEAD(&cset->mg_node);
 
 	/* Copy the set of subsystem state objects generated in
@@ -2414,6 +2431,7 @@
 
 	return cgroup_taskset_next(tset, dst_cssp);
 }
+EXPORT_SYMBOL_GPL(cgroup_taskset_first);
 
 /**
  * cgroup_taskset_next - iterate to the next task in taskset
@@ -2460,6 +2478,7 @@
 
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(cgroup_taskset_next);
 
 /**
  * cgroup_taskset_migrate - migrate a taskset
@@ -2530,6 +2549,7 @@
 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
 			if (ss->attach) {
 				tset->ssid = ssid;
+				trace_android_vh_cgroup_attach(ss, tset);
 				ss->attach(tset);
 			}
 		} while_each_subsys_mask();
@@ -2614,27 +2634,21 @@
  */
 void cgroup_migrate_finish(struct cgroup_mgctx *mgctx)
 {
+	LIST_HEAD(preloaded);
 	struct css_set *cset, *tmp_cset;
 
 	lockdep_assert_held(&cgroup_mutex);
 
 	spin_lock_irq(&css_set_lock);
 
-	list_for_each_entry_safe(cset, tmp_cset, &mgctx->preloaded_src_csets,
-				 mg_src_preload_node) {
-		cset->mg_src_cgrp = NULL;
-		cset->mg_dst_cgrp = NULL;
-		cset->mg_dst_cset = NULL;
-		list_del_init(&cset->mg_src_preload_node);
-		put_css_set_locked(cset);
-	}
+	list_splice_tail_init(&mgctx->preloaded_src_csets, &preloaded);
+	list_splice_tail_init(&mgctx->preloaded_dst_csets, &preloaded);
 
-	list_for_each_entry_safe(cset, tmp_cset, &mgctx->preloaded_dst_csets,
-				 mg_dst_preload_node) {
+	list_for_each_entry_safe(cset, tmp_cset, &preloaded, mg_preload_node) {
 		cset->mg_src_cgrp = NULL;
 		cset->mg_dst_cgrp = NULL;
 		cset->mg_dst_cset = NULL;
-		list_del_init(&cset->mg_dst_preload_node);
+		list_del_init(&cset->mg_preload_node);
 		put_css_set_locked(cset);
 	}
 
@@ -2676,7 +2690,7 @@
 
 	src_cgrp = cset_cgroup_from_root(src_cset, dst_cgrp->root);
 
-	if (!list_empty(&src_cset->mg_src_preload_node))
+	if (!list_empty(&src_cset->mg_preload_node))
 		return;
 
 	WARN_ON(src_cset->mg_src_cgrp);
@@ -2687,7 +2701,7 @@
 	src_cset->mg_src_cgrp = src_cgrp;
 	src_cset->mg_dst_cgrp = dst_cgrp;
 	get_css_set(src_cset);
-	list_add_tail(&src_cset->mg_src_preload_node, &mgctx->preloaded_src_csets);
+	list_add_tail(&src_cset->mg_preload_node, &mgctx->preloaded_src_csets);
 }
 
 /**
@@ -2712,7 +2726,7 @@
 
 	/* look up the dst cset for each src cset and link it to src */
 	list_for_each_entry_safe(src_cset, tmp_cset, &mgctx->preloaded_src_csets,
-				 mg_src_preload_node) {
+				 mg_preload_node) {
 		struct css_set *dst_cset;
 		struct cgroup_subsys *ss;
 		int ssid;
@@ -2731,7 +2745,7 @@
 		if (src_cset == dst_cset) {
 			src_cset->mg_src_cgrp = NULL;
 			src_cset->mg_dst_cgrp = NULL;
-			list_del_init(&src_cset->mg_src_preload_node);
+			list_del_init(&src_cset->mg_preload_node);
 			put_css_set(src_cset);
 			put_css_set(dst_cset);
 			continue;
@@ -2739,8 +2753,8 @@
 
 		src_cset->mg_dst_cset = dst_cset;
 
-		if (list_empty(&dst_cset->mg_dst_preload_node))
-			list_add_tail(&dst_cset->mg_dst_preload_node,
+		if (list_empty(&dst_cset->mg_preload_node))
+			list_add_tail(&dst_cset->mg_preload_node,
 				      &mgctx->preloaded_dst_csets);
 		else
 			put_css_set(dst_cset);
@@ -2836,10 +2850,12 @@
 }
 
 struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup,
-					     bool *threadgroup_locked)
+					     bool *threadgroup_locked,
+					     struct cgroup *dst_cgrp)
 {
 	struct task_struct *tsk;
 	pid_t pid;
+	bool force_migration = false;
 
 	if (kstrtoint(strstrip(buf), 0, &pid) || pid < 0)
 		return ERR_PTR(-EINVAL);
@@ -2870,13 +2886,16 @@
 	if (threadgroup)
 		tsk = tsk->group_leader;
 
+	if (tsk->flags & PF_KTHREAD)
+		trace_android_rvh_cgroup_force_kthread_migration(tsk, dst_cgrp, &force_migration);
+
 	/*
 	 * kthreads may acquire PF_NO_SETAFFINITY during initialization.
 	 * If userland migrates such a kthread to a non-root cgroup, it can
 	 * become trapped in a cpuset, or RT kthread may be born in a
 	 * cgroup with no rt_runtime allocated.  Just say no.
 	 */
-	if (tsk->no_cgroup_migration || (tsk->flags & PF_NO_SETAFFINITY)) {
+	if (!force_migration && (tsk->no_cgroup_migration || (tsk->flags & PF_NO_SETAFFINITY))) {
 		tsk = ERR_PTR(-EINVAL);
 		goto out_unlock_threadgroup;
 	}
@@ -2986,8 +3005,7 @@
 		goto out_finish;
 
 	spin_lock_irq(&css_set_lock);
-	list_for_each_entry(src_cset, &mgctx.preloaded_src_csets,
-			    mg_src_preload_node) {
+	list_for_each_entry(src_cset, &mgctx.preloaded_src_csets, mg_preload_node) {
 		struct task_struct *task, *ntask;
 
 		/* all tasks in src_csets need to be migrated */
@@ -3720,6 +3738,18 @@
 
 	psi_trigger_destroy(ctx->psi.trigger);
 }
+
+bool cgroup_psi_enabled(void)
+{
+	return (cgroup_feature_disable_mask & (1 << OPT_FEATURE_PRESSURE)) == 0;
+}
+
+#else /* CONFIG_PSI */
+bool cgroup_psi_enabled(void)
+{
+	return false;
+}
+
 #endif /* CONFIG_PSI */
 
 static int cgroup_freeze_show(struct seq_file *seq, void *v)
@@ -3989,6 +4019,8 @@
 restart:
 	for (cft = cfts; cft != cft_end && cft->name[0] != '\0'; cft++) {
 		/* does cft->flags tell us to skip this file on @cgrp? */
+		if ((cft->flags & CFTYPE_PRESSURE) && !cgroup_psi_enabled())
+			continue;
 		if ((cft->flags & __CFTYPE_ONLY_ON_DFL) && !cgroup_on_dfl(cgrp))
 			continue;
 		if ((cft->flags & __CFTYPE_NOT_ON_DFL) && cgroup_on_dfl(cgrp))
@@ -4066,6 +4098,9 @@
 
 		WARN_ON(cft->ss || cft->kf_ops);
 
+		if ((cft->flags & CFTYPE_PRESSURE) && !cgroup_psi_enabled())
+			continue;
+
 		if (cft->seq_start)
 			kf_ops = &cgroup_kf_ops;
 		else
@@ -4197,6 +4232,7 @@
 		cft->flags |= __CFTYPE_NOT_ON_DFL;
 	return cgroup_add_cftypes(ss, cfts);
 }
+EXPORT_SYMBOL_GPL(cgroup_add_legacy_cftypes);
 
 /**
  * cgroup_file_notify - generate a file modified event for a cgroup_file
@@ -4286,6 +4322,7 @@
 		return next;
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(css_next_child);
 
 /**
  * css_next_descendant_pre - find the next descendant for pre-order walk
@@ -4861,7 +4898,7 @@
 	if (!dst_cgrp)
 		return -ENODEV;
 
-	task = cgroup_procs_write_start(buf, true, &threadgroup_locked);
+	task = cgroup_procs_write_start(buf, true, &threadgroup_locked, dst_cgrp);
 	ret = PTR_ERR_OR_ZERO(task);
 	if (ret)
 		goto out_unlock;
@@ -4915,7 +4952,7 @@
 	if (!dst_cgrp)
 		return -ENODEV;
 
-	task = cgroup_procs_write_start(buf, false, &locked);
+	task = cgroup_procs_write_start(buf, false, &locked, dst_cgrp);
 	ret = PTR_ERR_OR_ZERO(task);
 	if (ret)
 		goto out_unlock;
@@ -5018,6 +5055,7 @@
 #ifdef CONFIG_PSI
 	{
 		.name = "io.pressure",
+		.flags = CFTYPE_PRESSURE,
 		.seq_show = cgroup_io_pressure_show,
 		.write = cgroup_io_pressure_write,
 		.poll = cgroup_pressure_poll,
@@ -5025,6 +5063,7 @@
 	},
 	{
 		.name = "memory.pressure",
+		.flags = CFTYPE_PRESSURE,
 		.seq_show = cgroup_memory_pressure_show,
 		.write = cgroup_memory_pressure_write,
 		.poll = cgroup_pressure_poll,
@@ -5032,6 +5071,7 @@
 	},
 	{
 		.name = "cpu.pressure",
+		.flags = CFTYPE_PRESSURE,
 		.seq_show = cgroup_cpu_pressure_show,
 		.write = cgroup_cpu_pressure_write,
 		.poll = cgroup_pressure_poll,
@@ -6382,6 +6422,15 @@
 			pr_info("Disabling %s control group subsystem\n",
 				ss->name);
 		}
+
+		for (i = 0; i < OPT_FEATURE_COUNT; i++) {
+			if (strcmp(token, cgroup_opt_feature_names[i]))
+				continue;
+			cgroup_feature_disable_mask |= 1 << i;
+			pr_info("Disabling %s control group feature\n",
+				cgroup_opt_feature_names[i]);
+			break;
+		}
 	}
 	return 1;
 }
@@ -6680,6 +6729,9 @@
 		if (!(cft->flags & CFTYPE_NS_DELEGATABLE))
 			continue;
 
+		if ((cft->flags & CFTYPE_PRESSURE) && !cgroup_psi_enabled())
+			continue;
+
 		if (prefix)
 			ret += snprintf(buf + ret, size - ret, "%s.", prefix);
 
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 195f9cc..cffaa46 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -67,6 +67,9 @@
 #include <linux/cgroup.h>
 #include <linux/wait.h>
 
+#include <trace/hooks/sched.h>
+#include <trace/hooks/cgroup.h>
+
 DEFINE_STATIC_KEY_FALSE(cpusets_pre_enable_key);
 DEFINE_STATIC_KEY_FALSE(cpusets_enabled_key);
 
@@ -106,6 +109,7 @@
 
 	/* user-configured CPUs and Memory Nodes allow to tasks */
 	cpumask_var_t cpus_allowed;
+	cpumask_var_t cpus_requested;
 	nodemask_t mems_allowed;
 
 	/* effective CPUs and Memory Nodes allow to tasks */
@@ -373,9 +377,9 @@
 static struct workqueue_struct *cpuset_migrate_mm_wq;
 
 /*
- * CPU / memory hotplug is handled asynchronously.
+ * CPU / memory hotplug is handled asynchronously
+ * for hotplug, synchronously for resume_cpus
  */
-static void cpuset_hotplug_workfn(struct work_struct *work);
 static DECLARE_WORK(cpuset_hotplug_work, cpuset_hotplug_workfn);
 
 static DECLARE_WAIT_QUEUE_HEAD(cpuset_attach_wq);
@@ -395,18 +399,29 @@
 }
 
 /*
- * Return in pmask the portion of a cpusets's cpus_allowed that
- * are online.  If none are online, walk up the cpuset hierarchy
- * until we find one that does have some online cpus.
+ * Return in pmask the portion of a task's cpusets's cpus_allowed that
+ * are online and are capable of running the task.  If none are found,
+ * walk up the cpuset hierarchy until we find one that does have some
+ * appropriate cpus.
  *
  * One way or another, we guarantee to return some non-empty subset
- * of cpu_online_mask.
+ * of cpu_active_mask.
  *
  * Call with callback_lock or cpuset_mutex held.
  */
-static void guarantee_online_cpus(struct cpuset *cs, struct cpumask *pmask)
+static void guarantee_online_cpus(struct task_struct *tsk,
+				  struct cpumask *pmask)
 {
-	while (!cpumask_intersects(cs->effective_cpus, cpu_online_mask)) {
+	const struct cpumask *possible_mask = task_cpu_possible_mask(tsk);
+	struct cpuset *cs;
+
+	if (WARN_ON(!cpumask_and(pmask, possible_mask, cpu_active_mask)))
+		cpumask_copy(pmask, cpu_active_mask);
+
+	rcu_read_lock();
+	cs = task_cs(tsk);
+
+	while (!cpumask_intersects(cs->effective_cpus, pmask)) {
 		cs = parent_cs(cs);
 		if (unlikely(!cs)) {
 			/*
@@ -416,11 +431,13 @@
 			 * cpuset's effective_cpus is on its way to be
 			 * identical to cpu_online_mask.
 			 */
-			cpumask_copy(pmask, cpu_online_mask);
-			return;
+			goto out_unlock;
 		}
 	}
-	cpumask_and(pmask, cs->effective_cpus, cpu_online_mask);
+	cpumask_and(pmask, pmask, cs->effective_cpus);
+
+out_unlock:
+	rcu_read_unlock();
 }
 
 /*
@@ -470,7 +487,7 @@
 
 static int is_cpuset_subset(const struct cpuset *p, const struct cpuset *q)
 {
-	return	cpumask_subset(p->cpus_allowed, q->cpus_allowed) &&
+	return	cpumask_subset(p->cpus_requested, q->cpus_requested) &&
 		nodes_subset(p->mems_allowed, q->mems_allowed) &&
 		is_cpu_exclusive(p) <= is_cpu_exclusive(q) &&
 		is_mem_exclusive(p) <= is_mem_exclusive(q);
@@ -507,8 +524,13 @@
 	if (!zalloc_cpumask_var(pmask3, GFP_KERNEL))
 		goto free_two;
 
+	if (cs && !zalloc_cpumask_var(&cs->cpus_requested, GFP_KERNEL))
+		goto free_three;
+
 	return 0;
 
+free_three:
+	free_cpumask_var(*pmask3);
 free_two:
 	free_cpumask_var(*pmask2);
 free_one:
@@ -525,6 +547,7 @@
 {
 	if (cs) {
 		free_cpumask_var(cs->cpus_allowed);
+		free_cpumask_var(cs->cpus_requested);
 		free_cpumask_var(cs->effective_cpus);
 		free_cpumask_var(cs->subparts_cpus);
 	}
@@ -553,6 +576,7 @@
 	}
 
 	cpumask_copy(trial->cpus_allowed, cs->cpus_allowed);
+	cpumask_copy(trial->cpus_requested, cs->cpus_requested);
 	cpumask_copy(trial->effective_cpus, cs->effective_cpus);
 	return trial;
 }
@@ -621,7 +645,7 @@
 	cpuset_for_each_child(c, css, par) {
 		if ((is_cpu_exclusive(trial) || is_cpu_exclusive(c)) &&
 		    c != cur &&
-		    cpumask_intersects(trial->cpus_allowed, c->cpus_allowed))
+		    cpumask_intersects(trial->cpus_requested, c->cpus_requested))
 			goto out;
 		if ((is_mem_exclusive(trial) || is_mem_exclusive(c)) &&
 		    c != cur &&
@@ -954,6 +978,12 @@
 {
 	struct cpuset *cs = NULL;
 	struct cgroup_subsys_state *pos_css;
+	bool bypass = false;
+
+	trace_android_vh_rebuild_root_domains_bypass(cpuhp_tasks_frozen, &bypass);
+
+	if (bypass)
+		return;
 
 	lockdep_assert_held(&cpuset_mutex);
 	lockdep_assert_cpus_held();
@@ -1015,7 +1045,6 @@
 	struct cpuset *cs;
 	int ndoms;
 
-	lockdep_assert_cpus_held();
 	lockdep_assert_held(&cpuset_mutex);
 
 	/*
@@ -1073,6 +1102,18 @@
 	put_online_cpus();
 }
 
+static int update_cpus_allowed(struct cpuset *cs, struct task_struct *p,
+				const struct cpumask *new_mask)
+{
+	int ret = -EINVAL;
+
+	trace_android_rvh_update_cpus_allowed(p, cs->cpus_requested, new_mask, &ret);
+	if (!ret)
+		return ret;
+
+	return set_cpus_allowed_ptr(p, new_mask);
+}
+
 /**
  * update_tasks_cpumask - Update the cpumasks of tasks in the cpuset.
  * @cs: the cpuset in which each task's cpus_allowed mask needs to be changed
@@ -1095,7 +1136,7 @@
 		if (top_cs && (task->flags & PF_KTHREAD) &&
 		    kthread_is_per_cpu(task))
 			continue;
-		set_cpus_allowed_ptr(task, cs->effective_cpus);
+		update_cpus_allowed(cs, task, cs->effective_cpus);
 	}
 	css_task_iter_end(&it);
 }
@@ -1117,10 +1158,10 @@
 	if (parent->nr_subparts_cpus) {
 		cpumask_or(new_cpus, parent->effective_cpus,
 			   parent->subparts_cpus);
-		cpumask_and(new_cpus, new_cpus, cs->cpus_allowed);
+		cpumask_and(new_cpus, new_cpus, cs->cpus_requested);
 		cpumask_and(new_cpus, new_cpus, cpu_active_mask);
 	} else {
-		cpumask_and(new_cpus, cs->cpus_allowed, parent->effective_cpus);
+		cpumask_and(new_cpus, cs->cpus_requested, parent_cs(cs)->effective_cpus);
 	}
 }
 
@@ -1559,25 +1600,26 @@
 		return -EACCES;
 
 	/*
-	 * An empty cpus_allowed is ok only if the cpuset has no tasks.
+	 * An empty cpus_requested is ok only if the cpuset has no tasks.
 	 * Since cpulist_parse() fails on an empty mask, we special case
 	 * that parsing.  The validate_change() call ensures that cpusets
 	 * with tasks have cpus.
 	 */
 	if (!*buf) {
-		cpumask_clear(trialcs->cpus_allowed);
+		cpumask_clear(trialcs->cpus_requested);
 	} else {
-		retval = cpulist_parse(buf, trialcs->cpus_allowed);
+		retval = cpulist_parse(buf, trialcs->cpus_requested);
 		if (retval < 0)
 			return retval;
-
-		if (!cpumask_subset(trialcs->cpus_allowed,
-				    top_cpuset.cpus_allowed))
-			return -EINVAL;
 	}
 
+	if (!cpumask_subset(trialcs->cpus_requested, cpu_present_mask))
+		return -EINVAL;
+
+	cpumask_and(trialcs->cpus_allowed, trialcs->cpus_requested, cpu_active_mask);
+
 	/* Nothing to do if the cpus didn't change */
-	if (cpumask_equal(cs->cpus_allowed, trialcs->cpus_allowed))
+	if (cpumask_equal(cs->cpus_requested, trialcs->cpus_requested))
 		return 0;
 
 	retval = validate_change(cs, trialcs);
@@ -1605,6 +1647,7 @@
 
 	spin_lock_irq(&callback_lock);
 	cpumask_copy(cs->cpus_allowed, trialcs->cpus_allowed);
+	cpumask_copy(cs->cpus_requested, trialcs->cpus_requested);
 
 	/*
 	 * Make sure that subparts_cpus is a subset of cpus_allowed.
@@ -2288,20 +2331,18 @@
 	lockdep_assert_cpus_held();	/* see cgroup_attach_lock() */
 	mutex_lock(&cpuset_mutex);
 
-	/* prepare for attach */
-	if (cs == &top_cpuset)
-		cpumask_copy(cpus_attach, cpu_possible_mask);
-	else
-		guarantee_online_cpus(cs, cpus_attach);
-
 	guarantee_online_mems(cs, &cpuset_attach_nodemask_to);
 
 	cgroup_taskset_for_each(task, css, tset) {
+		if (cs != &top_cpuset)
+			guarantee_online_cpus(task, cpus_attach);
+		else
+			cpumask_copy(cpus_attach, task_cpu_possible_mask(task));
 		/*
 		 * can_attach beforehand should guarantee that this doesn't
 		 * fail.  TODO: have a better way to handle failure here
 		 */
-		WARN_ON_ONCE(set_cpus_allowed_ptr(task, cpus_attach));
+		WARN_ON_ONCE(update_cpus_allowed(cs, task, cpus_attach));
 
 		cpuset_change_task_nodemask(task, &cpuset_attach_nodemask_to);
 		cpuset_update_task_spread_flag(cs, task);
@@ -2531,7 +2572,7 @@
 
 	switch (type) {
 	case FILE_CPULIST:
-		seq_printf(sf, "%*pbl\n", cpumask_pr_args(cs->cpus_allowed));
+		seq_printf(sf, "%*pbl\n", cpumask_pr_args(cs->cpus_requested));
 		break;
 	case FILE_MEMLIST:
 		seq_printf(sf, "%*pbl\n", nodemask_pr_args(&cs->mems_allowed));
@@ -2900,6 +2941,7 @@
 	cs->mems_allowed = parent->mems_allowed;
 	cs->effective_mems = parent->mems_allowed;
 	cpumask_copy(cs->cpus_allowed, parent->cpus_allowed);
+	cpumask_copy(cs->cpus_requested, parent->cpus_requested);
 	cpumask_copy(cs->effective_cpus, parent->cpus_allowed);
 	spin_unlock_irq(&callback_lock);
 out_unlock:
@@ -2979,10 +3021,13 @@
  */
 static void cpuset_fork(struct task_struct *task)
 {
+	int inherit_cpus = 0;
 	if (task_css_is_root(task, cpuset_cgrp_id))
 		return;
 
-	set_cpus_allowed_ptr(task, current->cpus_ptr);
+	trace_android_rvh_cpuset_fork(task, &inherit_cpus);
+	if (!inherit_cpus)
+		set_cpus_allowed_ptr(task, current->cpus_ptr);
 	task->mems_allowed = current->mems_allowed;
 }
 
@@ -3014,8 +3059,10 @@
 	BUG_ON(!alloc_cpumask_var(&top_cpuset.cpus_allowed, GFP_KERNEL));
 	BUG_ON(!alloc_cpumask_var(&top_cpuset.effective_cpus, GFP_KERNEL));
 	BUG_ON(!zalloc_cpumask_var(&top_cpuset.subparts_cpus, GFP_KERNEL));
+	BUG_ON(!alloc_cpumask_var(&top_cpuset.cpus_requested, GFP_KERNEL));
 
 	cpumask_setall(top_cpuset.cpus_allowed);
+	cpumask_setall(top_cpuset.cpus_requested);
 	nodes_setall(top_cpuset.mems_allowed);
 	cpumask_setall(top_cpuset.effective_cpus);
 	nodes_setall(top_cpuset.effective_mems);
@@ -3240,7 +3287,7 @@
  * Note that CPU offlining during suspend is ignored.  We don't modify
  * cpusets across suspend/resume cycles at all.
  */
-static void cpuset_hotplug_workfn(struct work_struct *work)
+void cpuset_hotplug_workfn(struct work_struct *work)
 {
 	static cpumask_t new_cpus;
 	static nodemask_t new_mems;
@@ -3352,6 +3399,7 @@
 {
 	flush_work(&cpuset_hotplug_work);
 }
+EXPORT_SYMBOL_GPL(cpuset_wait_for_hotplug);
 
 /*
  * Keep top_cpuset.mems_allowed tracking node_states[N_MEMORY].
@@ -3410,11 +3458,11 @@
 
 	spin_lock_irqsave(&callback_lock, flags);
 	rcu_read_lock();
-	guarantee_online_cpus(task_cs(tsk), pmask);
+	guarantee_online_cpus(tsk, pmask);
 	rcu_read_unlock();
 	spin_unlock_irqrestore(&callback_lock, flags);
 }
-
+EXPORT_SYMBOL_GPL(cpuset_cpus_allowed);
 /**
  * cpuset_cpus_allowed_fallback - final fallback before complete catastrophe.
  * @tsk: pointer to task_struct with which the scheduler is struggling
@@ -3429,9 +3477,17 @@
 
 void cpuset_cpus_allowed_fallback(struct task_struct *tsk)
 {
+	const struct cpumask *possible_mask = task_cpu_possible_mask(tsk);
+	const struct cpumask *cs_mask;
+
 	rcu_read_lock();
-	do_set_cpus_allowed(tsk, is_in_v2_mode() ?
-		task_cs(tsk)->cpus_allowed : cpu_possible_mask);
+	cs_mask = task_cs(tsk)->cpus_allowed;
+
+	if (!is_in_v2_mode() || !cpumask_subset(cs_mask, possible_mask))
+		goto unlock; /* select_fallback_rq will try harder */
+
+	do_set_cpus_allowed(tsk, cs_mask);
+unlock:
 	rcu_read_unlock();
 
 	/*
diff --git a/kernel/cgroup/legacy_freezer.c b/kernel/cgroup/legacy_freezer.c
index 0823679..081d026 100644
--- a/kernel/cgroup/legacy_freezer.c
+++ b/kernel/cgroup/legacy_freezer.c
@@ -479,3 +479,4 @@
 	.fork		= freezer_fork,
 	.legacy_cftypes	= files,
 };
+EXPORT_SYMBOL_GPL(freezer_cgrp_subsys);
diff --git a/kernel/cgroup/vendor_hooks.c b/kernel/cgroup/vendor_hooks.c
new file mode 100644
index 0000000..95f7e34
--- /dev/null
+++ b/kernel/cgroup/vendor_hooks.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* vendor_hook.c
+ *
+ * Android Vendor Hook Support
+ *
+ * Copyright 2022 Google LLC
+ */
+#ifndef __GENKSYMS__
+#include "cgroup-internal.h"
+#else
+/*
+ * Needed to preserve CRC for cgroup-related hooks
+ */
+#include <linux/cpufreq.h>
+#include <../drivers/gpio/gpiolib.h>
+#endif
+
+#define CREATE_TRACE_POINTS
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/tracepoint.h>
+#include <trace/hooks/cgroup.h>
+
+/*
+ * Export tracepoints that act as a bare tracehook (ie: have no trace event
+ * associated with them) to allow external modules to probe them.
+ */
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cgroup_set_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpuset_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cgroup_force_kthread_migration);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_refrigerator);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cgroup_attach);
+
+/*
+ * For type visibility
+ */
+const struct cgroup_taskset *GKI_struct_cgroup_taskset;
+EXPORT_SYMBOL_GPL(GKI_struct_cgroup_taskset);
diff --git a/kernel/cpu.c b/kernel/cpu.c
index abf717c..f080e85 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -35,12 +35,18 @@
 #include <linux/percpu-rwsem.h>
 #include <linux/cpuset.h>
 #include <linux/random.h>
+#include <uapi/linux/sched/types.h>
 
 #include <trace/events/power.h>
 #define CREATE_TRACE_POINTS
 #include <trace/events/cpuhp.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/sched.h>
+#include <trace/hooks/cpu.h>
+
 #include "smpboot.h"
+#include "sched/sched.h"
 
 /**
  * cpuhp_cpu_state - Per cpu hotplug state storage
@@ -275,11 +281,13 @@
 {
 	mutex_lock(&cpu_add_remove_lock);
 }
+EXPORT_SYMBOL_GPL(cpu_maps_update_begin);
 
 void cpu_maps_update_done(void)
 {
 	mutex_unlock(&cpu_add_remove_lock);
 }
+EXPORT_SYMBOL_GPL(cpu_maps_update_done);
 
 /*
  * If set, cpu_up and cpu_down will return -EBUSY and do nothing.
@@ -1054,7 +1062,7 @@
 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
 	int prev_state, ret = 0;
 
-	if (num_online_cpus() == 1)
+	if (num_active_cpus() == 1 && cpu_active(cpu))
 		return -EBUSY;
 
 	if (!cpu_present(cpu))
@@ -1121,6 +1129,8 @@
 {
 	int err;
 
+	trace_android_vh_cpu_down(NULL);
+
 	cpu_maps_update_begin();
 	err = cpu_down_maps_locked(cpu, target);
 	cpu_maps_update_done();
@@ -1152,6 +1162,216 @@
 }
 EXPORT_SYMBOL_GPL(remove_cpu);
 
+int __pause_drain_rq(struct cpumask *cpus)
+{
+	unsigned int cpu;
+	int err = 0;
+
+	/*
+	 * Disabling preemption avoids that one of the stopper, started from
+	 * sched_cpu_drain_rq(), blocks firing draining for the whole cpumask.
+	 */
+	preempt_disable();
+	for_each_cpu(cpu, cpus) {
+		err = sched_cpu_drain_rq(cpu);
+		if (err)
+			break;
+	}
+	preempt_enable();
+
+	return err;
+}
+
+void __wait_drain_rq(struct cpumask *cpus)
+{
+	unsigned int cpu;
+
+	for_each_cpu(cpu, cpus)
+		sched_cpu_drain_rq_wait(cpu);
+}
+
+int pause_cpus(struct cpumask *cpus)
+{
+	int err = 0;
+	int cpu;
+	u64 start_time = 0;
+
+	start_time = sched_clock();
+
+	cpu_maps_update_begin();
+
+	if (cpu_hotplug_disabled) {
+		err = -EBUSY;
+		goto err_cpu_maps_update;
+	}
+
+	/* Pausing an already inactive CPU isn't an error */
+	cpumask_and(cpus, cpus, cpu_active_mask);
+
+	for_each_cpu(cpu, cpus) {
+		if (!cpu_online(cpu) || dl_bw_check_overflow(cpu) ||
+			get_cpu_device(cpu)->offline_disabled == true) {
+			err = -EBUSY;
+			goto err_cpu_maps_update;
+		}
+	}
+
+	if (cpumask_weight(cpus) >= num_active_cpus()) {
+		err = -EBUSY;
+		goto err_cpu_maps_update;
+	}
+
+	if (cpumask_empty(cpus))
+		goto err_cpu_maps_update;
+
+	/*
+	 * Lazy migration:
+	 *
+	 * We do care about how fast a CPU can go idle and stay this in this
+	 * state. If we try to take the cpus_write_lock() here, we would have
+	 * to wait for a few dozens of ms, as this function might schedule.
+	 * However, we can, as a first step, flip the active mask and migrate
+	 * anything currently on the run-queue, to give a chance to the paused
+	 * CPUs to reach quickly an idle state. There's a risk meanwhile for
+	 * another CPU to observe an out-of-date active_mask or to incompletely
+	 * update a cpuset. Both problems would be resolved later in the slow
+	 * path, which ensures active_mask synchronization, triggers a cpuset
+	 * rebuild and migrate any task that would have escaped the lazy
+	 * migration.
+	 */
+	for_each_cpu(cpu, cpus)
+		set_cpu_active(cpu, false);
+	err = __pause_drain_rq(cpus);
+	if (err) {
+		__wait_drain_rq(cpus);
+		for_each_cpu(cpu, cpus)
+			set_cpu_active(cpu, true);
+		goto err_cpu_maps_update;
+	}
+
+	/*
+	 * Slow path deactivation:
+	 *
+	 * Now that paused CPUs are most likely idle, we can go through a
+	 * complete scheduler deactivation.
+	 *
+	 * The cpu_active_mask being already set and cpus_write_lock calling
+	 * synchronize_rcu(), we know that all preempt-disabled and RCU users
+	 * will observe the updated value.
+	 */
+	cpus_write_lock();
+
+	__wait_drain_rq(cpus);
+
+	cpuhp_tasks_frozen = 0;
+
+	if (sched_cpus_deactivate_nosync(cpus)) {
+		err = -EBUSY;
+		goto err_cpus_write_unlock;
+	}
+
+	err = __pause_drain_rq(cpus);
+	__wait_drain_rq(cpus);
+	if (err) {
+		for_each_cpu(cpu, cpus)
+			sched_cpu_activate(cpu);
+		goto err_cpus_write_unlock;
+	}
+
+	/*
+	 * Even if living on the side of the regular HP path, pause is using
+	 * one of the HP step (CPUHP_AP_ACTIVE). This should be reflected on the
+	 * current state of the CPU.
+	 */
+	for_each_cpu(cpu, cpus) {
+		struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
+
+		st->state = CPUHP_AP_ACTIVE - 1;
+		st->target = st->state;
+	}
+
+err_cpus_write_unlock:
+	cpus_write_unlock();
+err_cpu_maps_update:
+	cpu_maps_update_done();
+
+	trace_cpuhp_pause(cpus, start_time, 1);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(pause_cpus);
+
+int resume_cpus(struct cpumask *cpus)
+{
+	unsigned int cpu;
+	int err = 0;
+	u64 start_time = 0;
+
+	start_time = sched_clock();
+
+	cpu_maps_update_begin();
+
+	if (cpu_hotplug_disabled) {
+		err = -EBUSY;
+		goto err_cpu_maps_update;
+	}
+
+	/* Resuming an already active CPU isn't an error */
+	cpumask_andnot(cpus, cpus, cpu_active_mask);
+
+	for_each_cpu(cpu, cpus) {
+		if (!cpu_online(cpu)) {
+			err = -EBUSY;
+			goto err_cpu_maps_update;
+		}
+	}
+
+	if (cpumask_empty(cpus))
+		goto err_cpu_maps_update;
+
+	for_each_cpu(cpu, cpus)
+		set_cpu_active(cpu, true);
+
+	trace_android_rvh_resume_cpus(cpus, &err);
+	if (err)
+		goto err_cpu_maps_update;
+
+	/* Lazy Resume.  Build domains immediately instead of scheduling
+	 * a workqueue.  This is so that the cpu can pull load when
+	 * sent a load balancing kick.
+	 */
+	cpuset_hotplug_workfn(NULL);
+
+	cpus_write_lock();
+
+	cpuhp_tasks_frozen = 0;
+
+	if (sched_cpus_activate(cpus)) {
+		err = -EBUSY;
+		goto err_cpus_write_unlock;
+	}
+
+	/*
+	 * see pause_cpus.
+	 */
+	for_each_cpu(cpu, cpus) {
+		struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
+
+		st->state = CPUHP_ONLINE;
+		st->target = st->state;
+	}
+
+err_cpus_write_unlock:
+	cpus_write_unlock();
+err_cpu_maps_update:
+	cpu_maps_update_done();
+
+	trace_cpuhp_pause(cpus, start_time, 0);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(resume_cpus);
+
 void smp_shutdown_nonboot_cpus(unsigned int primary_cpu)
 {
 	unsigned int cpu;
@@ -1246,6 +1466,25 @@
 	complete_ap_thread(st, true);
 }
 
+static int switch_to_rt_policy(void)
+{
+	struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
+	unsigned int policy = current->policy;
+
+	if (policy == SCHED_NORMAL)
+		/* Switch to SCHED_FIFO from SCHED_NORMAL. */
+		return sched_setscheduler_nocheck(current, SCHED_FIFO, &param);
+	else
+		return 1;
+}
+
+static int switch_to_fair_policy(void)
+{
+	struct sched_param param = { .sched_priority = 0 };
+
+	return sched_setscheduler_nocheck(current, SCHED_NORMAL, &param);
+}
+
 /* Requires cpu_add_remove_lock to be held */
 static int _cpu_up(unsigned int cpu, int tasks_frozen, enum cpuhp_state target)
 {
@@ -1310,6 +1549,7 @@
 static int cpu_up(unsigned int cpu, enum cpuhp_state target)
 {
 	int err = 0;
+	int switch_err;
 
 	if (!cpu_possible(cpu)) {
 		pr_err("can't online cpu %d because it is not configured as may-hotadd at boot time\n",
@@ -1320,9 +1560,23 @@
 		return -EINVAL;
 	}
 
+	trace_android_vh_cpu_up(NULL);
+
+	/*
+	 * CPU hotplug operations consists of many steps and each step
+	 * calls a callback of core kernel subsystem. CPU hotplug-in
+	 * operation may get preempted by other CFS tasks and whole
+	 * operation of cpu hotplug in CPU gets delayed. Switch the
+	 * current task to SCHED_FIFO from SCHED_NORMAL, so that
+	 * hotplug in operation may complete quickly in heavy loaded
+	 * conditions and new CPU will start handle the workload.
+	 */
+
+	switch_err = switch_to_rt_policy();
+
 	err = try_online_node(cpu_to_node(cpu));
 	if (err)
-		return err;
+		goto switch_out;
 
 	cpu_maps_update_begin();
 
@@ -1338,6 +1592,14 @@
 	err = _cpu_up(cpu, 0, target);
 out:
 	cpu_maps_update_done();
+switch_out:
+	if (!switch_err) {
+		switch_err = switch_to_fair_policy();
+		if (switch_err)
+			pr_err("Hotplug policy switch err=%d Task %s pid=%d\n",
+				switch_err, current->comm, current->pid);
+	}
+
 	return err;
 }
 
@@ -1473,6 +1735,7 @@
 void thaw_secondary_cpus(void)
 {
 	int cpu, error;
+	struct device *cpu_device;
 
 	/* Allow everyone to use the CPU hotplug again */
 	cpu_maps_update_begin();
@@ -1490,6 +1753,12 @@
 		trace_suspend_resume(TPS("CPU_ON"), cpu, false);
 		if (!error) {
 			pr_info("CPU%d is up\n", cpu);
+			cpu_device = get_cpu_device(cpu);
+			if (!cpu_device)
+				pr_err("%s: failed to get cpu%d device\n",
+				       __func__, cpu);
+			else
+				kobject_uevent(&cpu_device->kobj, KOBJ_ONLINE);
 			continue;
 		}
 		pr_warn("Error taking CPU%d up: %d\n", cpu, error);
@@ -1561,6 +1830,30 @@
 
 int __boot_cpu_id;
 
+/* Horrific hacks because we can't add more to cpuhp_hp_states. */
+static int random_and_perf_prepare_fusion(unsigned int cpu)
+{
+	int (*fn)(unsigned int cpu);
+	fn = perf_event_init_cpu;
+	if (fn)
+		fn(cpu);
+	fn = random_prepare_cpu;
+	if (fn)
+		fn(cpu);
+	return 0;
+}
+static int random_and_workqueue_online_fusion(unsigned int cpu)
+{
+	int (*fn)(unsigned int cpu);
+	fn = workqueue_online_cpu;
+	if (fn)
+		fn(cpu);
+	fn = random_online_cpu;
+	if (fn)
+		fn(cpu);
+	return 0;
+}
+
 #endif /* CONFIG_SMP */
 
 /* Boot processor state steps */
@@ -1579,14 +1872,9 @@
 	},
 	[CPUHP_PERF_PREPARE] = {
 		.name			= "perf:prepare",
-		.startup.single		= perf_event_init_cpu,
+		.startup.single		= random_and_perf_prepare_fusion,
 		.teardown.single	= perf_event_exit_cpu,
 	},
-	[CPUHP_RANDOM_PREPARE] = {
-		.name			= "random:prepare",
-		.startup.single		= random_prepare_cpu,
-		.teardown.single	= NULL,
-	},
 	[CPUHP_WORKQUEUE_PREP] = {
 		.name			= "workqueue:prepare",
 		.startup.single		= workqueue_prepare_cpu,
@@ -1595,7 +1883,7 @@
 	[CPUHP_HRTIMERS_PREPARE] = {
 		.name			= "hrtimers:prepare",
 		.startup.single		= hrtimers_prepare_cpu,
-		.teardown.single	= NULL,
+		.teardown.single	= hrtimers_dead_cpu,
 	},
 	[CPUHP_SMPCFD_PREPARE] = {
 		.name			= "smpcfd:prepare",
@@ -1662,12 +1950,6 @@
 		.startup.single		= NULL,
 		.teardown.single	= smpcfd_dying_cpu,
 	},
-	[CPUHP_AP_HRTIMERS_DYING] = {
-		.name			= "hrtimers:dying",
-		.startup.single		= NULL,
-		.teardown.single	= hrtimers_cpu_dying,
-	},
-
 	/* Entry state on starting. Interrupts enabled from here on. Transient
 	 * state for synchronsization */
 	[CPUHP_AP_ONLINE] = {
@@ -1706,14 +1988,9 @@
 	},
 	[CPUHP_AP_WORKQUEUE_ONLINE] = {
 		.name			= "workqueue:online",
-		.startup.single		= workqueue_online_cpu,
+		.startup.single		= random_and_workqueue_online_fusion,
 		.teardown.single	= workqueue_offline_cpu,
 	},
-	[CPUHP_AP_RANDOM_ONLINE] = {
-		.name			= "random:online",
-		.startup.single		= random_online_cpu,
-		.teardown.single	= NULL,
-	},
 	[CPUHP_AP_RCUTREE_ONLINE] = {
 		.name			= "RCU/tree:online",
 		.startup.single		= rcutree_online_cpu,
diff --git a/kernel/cred.c b/kernel/cred.c
index 54042eb..64bd9ef 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -17,6 +17,8 @@
 #include <linux/cn_proc.h>
 #include <linux/uidgid.h>
 
+#include <trace/hooks/creds.h>
+
 #if 0
 #define kdebug(FMT, ...)						\
 	printk("[%-5.5s%5u] " FMT "\n",					\
@@ -98,17 +100,17 @@
 
 #ifdef CONFIG_DEBUG_CREDENTIALS
 	if (cred->magic != CRED_MAGIC_DEAD ||
-	    atomic_long_read(&cred->usage) != 0 ||
+	    atomic_read(&cred->usage) != 0 ||
 	    read_cred_subscribers(cred) != 0)
 		panic("CRED: put_cred_rcu() sees %p with"
-		      " mag %x, put %p, usage %ld, subscr %d\n",
+		      " mag %x, put %p, usage %d, subscr %d\n",
 		      cred, cred->magic, cred->put_addr,
-		      atomic_long_read(&cred->usage),
+		      atomic_read(&cred->usage),
 		      read_cred_subscribers(cred));
 #else
-	if (atomic_long_read(&cred->usage) != 0)
-		panic("CRED: put_cred_rcu() sees %p with usage %ld\n",
-		      cred, atomic_long_read(&cred->usage));
+	if (atomic_read(&cred->usage) != 0)
+		panic("CRED: put_cred_rcu() sees %p with usage %d\n",
+		      cred, atomic_read(&cred->usage));
 #endif
 
 	security_cred_free(cred);
@@ -131,11 +133,11 @@
  */
 void __put_cred(struct cred *cred)
 {
-	kdebug("__put_cred(%p{%ld,%d})", cred,
-	       atomic_long_read(&cred->usage),
+	kdebug("__put_cred(%p{%d,%d})", cred,
+	       atomic_read(&cred->usage),
 	       read_cred_subscribers(cred));
 
-	BUG_ON(atomic_long_read(&cred->usage) != 0);
+	BUG_ON(atomic_read(&cred->usage) != 0);
 #ifdef CONFIG_DEBUG_CREDENTIALS
 	BUG_ON(read_cred_subscribers(cred) != 0);
 	cred->magic = CRED_MAGIC_DEAD;
@@ -158,8 +160,8 @@
 {
 	struct cred *cred;
 
-	kdebug("exit_creds(%u,%p,%p,{%ld,%d})", tsk->pid, tsk->real_cred, tsk->cred,
-	       atomic_long_read(&tsk->cred->usage),
+	kdebug("exit_creds(%u,%p,%p,{%d,%d})", tsk->pid, tsk->real_cred, tsk->cred,
+	       atomic_read(&tsk->cred->usage),
 	       read_cred_subscribers(tsk->cred));
 
 	cred = (struct cred *) tsk->real_cred;
@@ -178,6 +180,7 @@
 	key_put(tsk->cached_requested_key);
 	tsk->cached_requested_key = NULL;
 #endif
+	trace_android_vh_exit_creds(tsk, cred);
 }
 
 /**
@@ -218,7 +221,7 @@
 	if (!new)
 		return NULL;
 
-	atomic_long_set(&new->usage, 1);
+	atomic_set(&new->usage, 1);
 #ifdef CONFIG_DEBUG_CREDENTIALS
 	new->magic = CRED_MAGIC;
 #endif
@@ -265,7 +268,7 @@
 	memcpy(new, old, sizeof(struct cred));
 
 	new->non_rcu = 0;
-	atomic_long_set(&new->usage, 1);
+	atomic_set(&new->usage, 1);
 	set_cred_subscribers(new, 0);
 	get_group_info(new->group_info);
 	get_uid(new->user);
@@ -348,8 +351,8 @@
 		p->real_cred = get_cred(p->cred);
 		get_cred(p->cred);
 		alter_cred_subscribers(p->cred, 2);
-		kdebug("share_creds(%p{%ld,%d})",
-		       p->cred, atomic_long_read(&p->cred->usage),
+		kdebug("share_creds(%p{%d,%d})",
+		       p->cred, atomic_read(&p->cred->usage),
 		       read_cred_subscribers(p->cred));
 		atomic_inc(&p->cred->user->processes);
 		return 0;
@@ -439,8 +442,8 @@
 	struct task_struct *task = current;
 	const struct cred *old = task->real_cred;
 
-	kdebug("commit_creds(%p{%ld,%d})", new,
-	       atomic_long_read(&new->usage),
+	kdebug("commit_creds(%p{%d,%d})", new,
+	       atomic_read(&new->usage),
 	       read_cred_subscribers(new));
 
 	BUG_ON(task->cred != old);
@@ -449,7 +452,7 @@
 	validate_creds(old);
 	validate_creds(new);
 #endif
-	BUG_ON(atomic_long_read(&new->usage) < 1);
+	BUG_ON(atomic_read(&new->usage) < 1);
 
 	get_cred(new); /* we will require a ref for the subj creds too */
 
@@ -489,6 +492,7 @@
 		atomic_inc(&new->user->processes);
 	rcu_assign_pointer(task->real_cred, new);
 	rcu_assign_pointer(task->cred, new);
+	trace_android_vh_commit_creds(task, new);
 	if (new->user != old->user)
 		atomic_dec(&old->user->processes);
 	alter_cred_subscribers(old, -2);
@@ -522,14 +526,14 @@
  */
 void abort_creds(struct cred *new)
 {
-	kdebug("abort_creds(%p{%ld,%d})", new,
-	       atomic_long_read(&new->usage),
+	kdebug("abort_creds(%p{%d,%d})", new,
+	       atomic_read(&new->usage),
 	       read_cred_subscribers(new));
 
 #ifdef CONFIG_DEBUG_CREDENTIALS
 	BUG_ON(read_cred_subscribers(new) != 0);
 #endif
-	BUG_ON(atomic_long_read(&new->usage) < 1);
+	BUG_ON(atomic_read(&new->usage) < 1);
 	put_cred(new);
 }
 EXPORT_SYMBOL(abort_creds);
@@ -545,8 +549,8 @@
 {
 	const struct cred *old = current->cred;
 
-	kdebug("override_creds(%p{%ld,%d})", new,
-	       atomic_long_read(&new->usage),
+	kdebug("override_creds(%p{%d,%d})", new,
+	       atomic_read(&new->usage),
 	       read_cred_subscribers(new));
 
 	validate_creds(old);
@@ -566,10 +570,11 @@
 	get_new_cred((struct cred *)new);
 	alter_cred_subscribers(new, 1);
 	rcu_assign_pointer(current->cred, new);
+	trace_android_vh_override_creds(current, new);
 	alter_cred_subscribers(old, -1);
 
-	kdebug("override_creds() = %p{%ld,%d}", old,
-	       atomic_long_read(&old->usage),
+	kdebug("override_creds() = %p{%d,%d}", old,
+	       atomic_read(&old->usage),
 	       read_cred_subscribers(old));
 	return old;
 }
@@ -586,14 +591,15 @@
 {
 	const struct cred *override = current->cred;
 
-	kdebug("revert_creds(%p{%ld,%d})", old,
-	       atomic_long_read(&old->usage),
+	kdebug("revert_creds(%p{%d,%d})", old,
+	       atomic_read(&old->usage),
 	       read_cred_subscribers(old));
 
 	validate_creds(old);
 	validate_creds(override);
 	alter_cred_subscribers(old, 1);
 	rcu_assign_pointer(current->cred, old);
+	trace_android_vh_revert_creds(current, old);
 	alter_cred_subscribers(override, -1);
 	put_cred(override);
 }
@@ -699,7 +705,7 @@
 
 	*new = *old;
 	new->non_rcu = 0;
-	atomic_long_set(&new->usage, 1);
+	atomic_set(&new->usage, 1);
 	set_cred_subscribers(new, 0);
 	get_uid(new->user);
 	get_user_ns(new->user_ns);
@@ -809,8 +815,8 @@
 	       cred == tsk->cred ? "[eff]" : "");
 	printk(KERN_ERR "CRED: ->magic=%x, put_addr=%p\n",
 	       cred->magic, cred->put_addr);
-	printk(KERN_ERR "CRED: ->usage=%ld, subscr=%d\n",
-	       atomic_long_read(&cred->usage),
+	printk(KERN_ERR "CRED: ->usage=%d, subscr=%d\n",
+	       atomic_read(&cred->usage),
 	       read_cred_subscribers(cred));
 	printk(KERN_ERR "CRED: ->*uid = { %d,%d,%d,%d }\n",
 		from_kuid_munged(&init_user_ns, cred->uid),
@@ -882,9 +888,9 @@
  */
 void validate_creds_for_do_exit(struct task_struct *tsk)
 {
-	kdebug("validate_creds_for_do_exit(%p,%p{%ld,%d})",
+	kdebug("validate_creds_for_do_exit(%p,%p{%d,%d})",
 	       tsk->real_cred, tsk->cred,
-	       atomic_long_read(&tsk->cred->usage),
+	       atomic_read(&tsk->cred->usage),
 	       read_cred_subscribers(tsk->cred));
 
 	__validate_process_creds(tsk, __FILE__, __LINE__);
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig
index c99de4a..62aa2cd 100644
--- a/kernel/dma/Kconfig
+++ b/kernel/dma/Kconfig
@@ -84,6 +84,19 @@
 	bool
 	select NEED_DMA_MAP_STATE
 
+config DMA_RESTRICTED_POOL
+	bool "DMA Restricted Pool"
+	depends on OF && OF_RESERVED_MEM && SWIOTLB
+	help
+	  This enables support for restricted DMA pools which provide a level of
+	  DMA memory protection on systems with limited hardware protection
+	  capabilities, such as those lacking an IOMMU.
+
+	  For more information see
+	  <Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt>
+	  and <kernel/dma/swiotlb.c>.
+	  If unsure, say "n".
+
 #
 # Should be selected if we can mmap non-coherent mappings to userspace.
 # The only thing that is really required is a way to set an uncached bit
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index 16b95ff..2e07634 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -58,6 +58,7 @@
 #endif
 
 struct cma *dma_contiguous_default_area;
+EXPORT_SYMBOL_GPL(dma_contiguous_default_area);
 
 /*
  * Default global CMA area size can be defined in kernel's .config.
@@ -260,7 +261,8 @@
 	if (align > CONFIG_CMA_ALIGNMENT)
 		align = CONFIG_CMA_ALIGNMENT;
 
-	return cma_alloc(dev_get_cma_area(dev), count, align, no_warn);
+	return cma_alloc(dev_get_cma_area(dev), count, align, GFP_KERNEL |
+			(no_warn ? __GFP_NOWARN : 0));
 }
 
 /**
@@ -283,7 +285,8 @@
 {
 	unsigned int align = min(get_order(size), CONFIG_CMA_ALIGNMENT);
 
-	return cma_alloc(cma, size >> PAGE_SHIFT, align, gfp & __GFP_NOWARN);
+	return cma_alloc(cma, size >> PAGE_SHIFT, align,
+				GFP_KERNEL | (gfp & __GFP_NOWARN));
 }
 
 /**
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 2922250..47b829b 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -43,6 +43,7 @@
 
 	return (1ULL << (fls64(max_dma) - 1)) * 2 - 1;
 }
+EXPORT_SYMBOL_GPL(dma_direct_get_required_mask);
 
 static gfp_t dma_direct_optimal_gfp_mask(struct device *dev, u64 dma_mask,
 				  u64 *phys_limit)
@@ -60,7 +61,8 @@
 	*phys_limit = dma_to_phys(dev, dma_limit);
 	if (*phys_limit <= DMA_BIT_MASK(zone_dma_bits))
 		return GFP_DMA;
-	if (*phys_limit <= DMA_BIT_MASK(32))
+	if (*phys_limit <= DMA_BIT_MASK(32) &&
+		!zone_dma32_are_empty())
 		return GFP_DMA32;
 	return 0;
 }
@@ -75,6 +77,15 @@
 		min_not_zero(dev->coherent_dma_mask, dev->bus_dma_limit);
 }
 
+static void __dma_direct_free_pages(struct device *dev, struct page *page,
+				    size_t size)
+{
+	if (IS_ENABLED(CONFIG_DMA_RESTRICTED_POOL) &&
+	    swiotlb_free(dev, page, size))
+		return;
+	dma_free_contiguous(dev, page, size);
+}
+
 static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,
 		gfp_t gfp)
 {
@@ -86,6 +97,16 @@
 
 	gfp |= dma_direct_optimal_gfp_mask(dev, dev->coherent_dma_mask,
 					   &phys_limit);
+	if (IS_ENABLED(CONFIG_DMA_RESTRICTED_POOL) &&
+	    is_swiotlb_for_alloc(dev)) {
+		page = swiotlb_alloc(dev, size);
+		if (page && !dma_coherent_ok(dev, page_to_phys(page), size)) {
+			__dma_direct_free_pages(dev, page, size);
+			return NULL;
+		}
+		return page;
+	}
+
 	page = dma_alloc_contiguous(dev, size, gfp);
 	if (page && !dma_coherent_ok(dev, page_to_phys(page), size)) {
 		dma_free_contiguous(dev, page, size);
@@ -100,7 +121,8 @@
 
 		if (IS_ENABLED(CONFIG_ZONE_DMA32) &&
 		    phys_limit < DMA_BIT_MASK(64) &&
-		    !(gfp & (GFP_DMA32 | GFP_DMA))) {
+		    !(gfp & (GFP_DMA32 | GFP_DMA)) &&
+		    !zone_dma32_are_empty()) {
 			gfp |= GFP_DMA32;
 			goto again;
 		}
@@ -142,7 +164,7 @@
 		gfp |= __GFP_NOWARN;
 
 	if ((attrs & DMA_ATTR_NO_KERNEL_MAPPING) &&
-	    !force_dma_unencrypted(dev)) {
+	    !force_dma_unencrypted(dev) && !is_swiotlb_for_alloc(dev)) {
 		page = __dma_direct_alloc_pages(dev, size, gfp & ~__GFP_ZERO);
 		if (!page)
 			return NULL;
@@ -155,18 +177,23 @@
 	}
 
 	if (!IS_ENABLED(CONFIG_ARCH_HAS_DMA_SET_UNCACHED) &&
-	    !IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) &&
-	    !dev_is_dma_coherent(dev))
+	    !IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) && !dev_is_dma_coherent(dev) &&
+	    !is_swiotlb_for_alloc(dev))
 		return arch_dma_alloc(dev, size, dma_handle, gfp, attrs);
 
 	/*
 	 * Remapping or decrypting memory may block. If either is required and
 	 * we can't block, allocate the memory from the atomic pools.
+	 * If restricted DMA (i.e., is_swiotlb_for_alloc) is required, one must
+	 * set up another device coherent pool by shared-dma-pool and use
+	 * dma_alloc_from_dev_coherent instead.
 	 */
 	if (IS_ENABLED(CONFIG_DMA_COHERENT_POOL) &&
 	    !gfpflags_allow_blocking(gfp) &&
 	    (force_dma_unencrypted(dev) ||
-	     (IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) && !dev_is_dma_coherent(dev))))
+	     (IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) &&
+	      !dev_is_dma_coherent(dev))) &&
+	    !is_swiotlb_for_alloc(dev))
 		return dma_direct_alloc_from_pool(dev, size, dma_handle, gfp);
 
 	/* we always manually zero the memory once we are done */
@@ -237,7 +264,7 @@
 			return NULL;
 	}
 out_free_pages:
-	dma_free_contiguous(dev, page, size);
+	__dma_direct_free_pages(dev, page, size);
 	return NULL;
 }
 
@@ -245,15 +272,15 @@
 		void *cpu_addr, dma_addr_t dma_addr, unsigned long attrs)
 {
 	if ((attrs & DMA_ATTR_NO_KERNEL_MAPPING) &&
-	    !force_dma_unencrypted(dev)) {
+	    !force_dma_unencrypted(dev) && !is_swiotlb_for_alloc(dev)) {
 		/* cpu_addr is a struct page cookie, not a kernel address */
 		dma_free_contiguous(dev, cpu_addr, size);
 		return;
 	}
 
 	if (!IS_ENABLED(CONFIG_ARCH_HAS_DMA_SET_UNCACHED) &&
-	    !IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) &&
-	    !dev_is_dma_coherent(dev)) {
+	    !IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) && !dev_is_dma_coherent(dev) &&
+	    !is_swiotlb_for_alloc(dev)) {
 		arch_dma_free(dev, size, cpu_addr, dma_addr, attrs);
 		return;
 	}
@@ -271,7 +298,7 @@
 	else if (IS_ENABLED(CONFIG_ARCH_HAS_DMA_CLEAR_UNCACHED))
 		arch_dma_clear_uncached(cpu_addr, size);
 
-	dma_free_contiguous(dev, dma_direct_to_page(dev, dma_addr), size);
+	__dma_direct_free_pages(dev, dma_direct_to_page(dev, dma_addr), size);
 }
 
 struct page *dma_direct_alloc_pages(struct device *dev, size_t size,
@@ -281,7 +308,8 @@
 	void *ret;
 
 	if (IS_ENABLED(CONFIG_DMA_COHERENT_POOL) &&
-	    force_dma_unencrypted(dev) && !gfpflags_allow_blocking(gfp))
+	    force_dma_unencrypted(dev) && !gfpflags_allow_blocking(gfp) &&
+	    !is_swiotlb_for_alloc(dev))
 		return dma_direct_alloc_from_pool(dev, size, dma_handle, gfp);
 
 	page = __dma_direct_alloc_pages(dev, size, gfp);
@@ -307,9 +335,10 @@
 	*dma_handle = phys_to_dma_direct(dev, page_to_phys(page));
 	return page;
 out_free_pages:
-	dma_free_contiguous(dev, page, size);
+	__dma_direct_free_pages(dev, page, size);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(dma_direct_alloc);
 
 void dma_direct_free_pages(struct device *dev, size_t size,
 		struct page *page, dma_addr_t dma_addr,
@@ -325,8 +354,9 @@
 	if (force_dma_unencrypted(dev))
 		set_memory_encrypted((unsigned long)vaddr, PFN_UP(size));
 
-	dma_free_contiguous(dev, page, size);
+	__dma_direct_free_pages(dev, page, size);
 }
+EXPORT_SYMBOL_GPL(dma_direct_free);
 
 #if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \
     defined(CONFIG_SWIOTLB)
@@ -339,9 +369,9 @@
 	for_each_sg(sgl, sg, nents, i) {
 		phys_addr_t paddr = dma_to_phys(dev, sg_dma_address(sg));
 
-		if (unlikely(is_swiotlb_buffer(paddr)))
-			swiotlb_tbl_sync_single(dev, paddr, sg->length,
-					dir, SYNC_FOR_DEVICE);
+		if (unlikely(is_swiotlb_buffer(dev, paddr)))
+			swiotlb_sync_single_for_device(dev, paddr, sg->length,
+						       dir);
 
 		if (!dev_is_dma_coherent(dev))
 			arch_sync_dma_for_device(paddr, sg->length,
@@ -365,9 +395,9 @@
 		if (!dev_is_dma_coherent(dev))
 			arch_sync_dma_for_cpu(paddr, sg->length, dir);
 
-		if (unlikely(is_swiotlb_buffer(paddr)))
-			swiotlb_tbl_sync_single(dev, paddr, sg->length, dir,
-					SYNC_FOR_CPU);
+		if (unlikely(is_swiotlb_buffer(dev, paddr)))
+			swiotlb_sync_single_for_cpu(dev, paddr, sg->length,
+						    dir);
 
 		if (dir == DMA_FROM_DEVICE)
 			arch_dma_mark_clean(paddr, sg->length);
@@ -491,8 +521,8 @@
 size_t dma_direct_max_mapping_size(struct device *dev)
 {
 	/* If SWIOTLB is active, use its maximum mapping size */
-	if (is_swiotlb_active() &&
-	    (dma_addressing_limited(dev) || swiotlb_force == SWIOTLB_FORCE))
+	if (is_swiotlb_active(dev) &&
+	    (dma_addressing_limited(dev) || is_swiotlb_force_bounce(dev)))
 		return swiotlb_max_mapping_size(dev);
 	return SIZE_MAX;
 }
@@ -500,7 +530,7 @@
 bool dma_direct_need_sync(struct device *dev, dma_addr_t dma_addr)
 {
 	return !dev_is_dma_coherent(dev) ||
-		is_swiotlb_buffer(dma_to_phys(dev, dma_addr));
+	       is_swiotlb_buffer(dev, dma_to_phys(dev, dma_addr));
 }
 
 /**
diff --git a/kernel/dma/direct.h b/kernel/dma/direct.h
index c9d3803..8a6cd53 100644
--- a/kernel/dma/direct.h
+++ b/kernel/dma/direct.h
@@ -56,8 +56,8 @@
 {
 	phys_addr_t paddr = dma_to_phys(dev, addr);
 
-	if (unlikely(is_swiotlb_buffer(paddr)))
-		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);
+	if (unlikely(is_swiotlb_buffer(dev, paddr)))
+		swiotlb_sync_single_for_device(dev, paddr, size, dir);
 
 	if (!dev_is_dma_coherent(dev))
 		arch_sync_dma_for_device(paddr, size, dir);
@@ -73,8 +73,8 @@
 		arch_sync_dma_for_cpu_all();
 	}
 
-	if (unlikely(is_swiotlb_buffer(paddr)))
-		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);
+	if (unlikely(is_swiotlb_buffer(dev, paddr)))
+		swiotlb_sync_single_for_cpu(dev, paddr, size, dir);
 
 	if (dir == DMA_FROM_DEVICE)
 		arch_dma_mark_clean(paddr, size);
@@ -87,7 +87,7 @@
 	phys_addr_t phys = page_to_phys(page) + offset;
 	dma_addr_t dma_addr = phys_to_dma(dev, phys);
 
-	if (unlikely(swiotlb_force == SWIOTLB_FORCE))
+	if (is_swiotlb_force_bounce(dev))
 		return swiotlb_map(dev, phys, size, dir, attrs);
 
 	if (unlikely(!dma_capable(dev, dma_addr, size, true))) {
@@ -113,8 +113,8 @@
 	if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
 		dma_direct_sync_single_for_cpu(dev, addr, size, dir);
 
-	if (unlikely(is_swiotlb_buffer(phys)))
-		swiotlb_tbl_unmap_single(dev, phys, size, size, dir,
+	if (unlikely(is_swiotlb_buffer(dev, phys)))
+		swiotlb_tbl_unmap_single(dev, phys, size, dir,
 					 attrs | DMA_ATTR_SKIP_CPU_SYNC);
 }
 #endif /* _KERNEL_DMA_DIRECT_H */
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 51bb8fa..9e81b13 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -348,6 +348,9 @@
 	if (attrs & DMA_ATTR_WRITE_COMBINE)
 		return pgprot_writecombine(prot);
 #endif
+	if (attrs & DMA_ATTR_SYS_CACHE_ONLY ||
+	    attrs & DMA_ATTR_SYS_CACHE_ONLY_NWA)
+		return pgprot_syscached(prot);
 	return pgprot_dmacoherent(prot);
 }
 #endif /* CONFIG_MMU */
diff --git a/kernel/dma/ops_helpers.c b/kernel/dma/ops_helpers.c
index af4a6ef..e28e1e1 100644
--- a/kernel/dma/ops_helpers.c
+++ b/kernel/dma/ops_helpers.c
@@ -27,6 +27,7 @@
 		sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(dma_common_get_sgtable);
 
 /*
  * Create userspace mapping for the DMA-coherent memory.
@@ -57,6 +58,7 @@
 	return -ENXIO;
 #endif /* CONFIG_MMU */
 }
+EXPORT_SYMBOL_GPL(dma_common_mmap);
 
 struct page *dma_common_alloc_pages(struct device *dev, size_t size,
 		dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp)
diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c
index b9082b5..92aa832 100644
--- a/kernel/dma/pool.c
+++ b/kernel/dma/pool.c
@@ -74,7 +74,7 @@
 	end = cma_get_base(cma) + size - 1;
 	if (IS_ENABLED(CONFIG_ZONE_DMA) && (gfp & GFP_DMA))
 		return end <= DMA_BIT_MASK(zone_dma_bits);
-	if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32))
+	if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32) && !zone_dma32_are_empty())
 		return end <= DMA_BIT_MASK(32);
 	return true;
 }
@@ -156,7 +156,7 @@
 	if (IS_ENABLED(CONFIG_ZONE_DMA))
 		atomic_pool_resize(atomic_pool_dma,
 				   GFP_KERNEL | GFP_DMA);
-	if (IS_ENABLED(CONFIG_ZONE_DMA32))
+	if (IS_ENABLED(CONFIG_ZONE_DMA32) && !zone_dma32_are_empty())
 		atomic_pool_resize(atomic_pool_dma32,
 				   GFP_KERNEL | GFP_DMA32);
 	atomic_pool_resize(atomic_pool_kernel, GFP_KERNEL);
@@ -212,7 +212,7 @@
 		if (!atomic_pool_dma)
 			ret = -ENOMEM;
 	}
-	if (IS_ENABLED(CONFIG_ZONE_DMA32)) {
+	if (IS_ENABLED(CONFIG_ZONE_DMA32) && !zone_dma32_are_empty()) {
 		atomic_pool_dma32 = __dma_atomic_pool_init(atomic_pool_size,
 						GFP_KERNEL | GFP_DMA32);
 		if (!atomic_pool_dma32)
@@ -227,7 +227,7 @@
 static inline struct gen_pool *dma_guess_pool(struct gen_pool *prev, gfp_t gfp)
 {
 	if (prev == NULL) {
-		if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32))
+		if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32) && !zone_dma32_are_empty())
 			return atomic_pool_dma32;
 		if (atomic_pool_dma && (gfp & GFP_DMA))
 			return atomic_pool_dma;
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index d897d16..35a16d1 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -39,6 +39,13 @@
 #ifdef CONFIG_DEBUG_FS
 #include <linux/debugfs.h>
 #endif
+#ifdef CONFIG_DMA_RESTRICTED_POOL
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_fdt.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/slab.h>
+#endif
 
 #include <asm/io.h>
 #include <asm/dma.h>
@@ -59,32 +66,11 @@
  */
 #define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT)
 
+#define INVALID_PHYS_ADDR (~(phys_addr_t)0)
+
 enum swiotlb_force swiotlb_force;
 
-/*
- * Used to do a quick range check in swiotlb_tbl_unmap_single and
- * swiotlb_tbl_sync_single_*, to see if the memory was in fact allocated by this
- * API.
- */
-phys_addr_t io_tlb_start, io_tlb_end;
-
-/*
- * The number of IO TLB blocks (in groups of 64) between io_tlb_start and
- * io_tlb_end.  This is command line adjustable via setup_io_tlb_npages.
- */
-static unsigned long io_tlb_nslabs;
-
-/*
- * The number of used IO TLB block
- */
-static unsigned long io_tlb_used;
-
-/*
- * This is a free list describing the number of free entries available from
- * each index
- */
-static unsigned int *io_tlb_list;
-static unsigned int io_tlb_index;
+struct io_tlb_mem io_tlb_default_mem;
 
 /*
  * Max segment that we can provide which (if pages are contingous) will
@@ -92,52 +78,30 @@
  */
 static unsigned int max_segment;
 
-/*
- * We need to save away the original address corresponding to a mapped entry
- * for the sync operations.
- */
-#define INVALID_PHYS_ADDR (~(phys_addr_t)0)
-static phys_addr_t *io_tlb_orig_addr;
-
-/*
- * Protect the above data structures in the map and unmap calls
- */
-static DEFINE_SPINLOCK(io_tlb_lock);
-
-static int late_alloc;
+static unsigned long default_nslabs = IO_TLB_DEFAULT_SIZE >> IO_TLB_SHIFT;
 
 static int __init
 setup_io_tlb_npages(char *str)
 {
 	if (isdigit(*str)) {
-		io_tlb_nslabs = simple_strtoul(str, &str, 0);
 		/* avoid tail segment of size < IO_TLB_SEGSIZE */
-		io_tlb_nslabs = ALIGN(io_tlb_nslabs, IO_TLB_SEGSIZE);
+		default_nslabs =
+			ALIGN(simple_strtoul(str, &str, 0), IO_TLB_SEGSIZE);
 	}
 	if (*str == ',')
 		++str;
-	if (!strcmp(str, "force")) {
+	if (!strcmp(str, "force"))
 		swiotlb_force = SWIOTLB_FORCE;
-	} else if (!strcmp(str, "noforce")) {
+	else if (!strcmp(str, "noforce"))
 		swiotlb_force = SWIOTLB_NO_FORCE;
-		io_tlb_nslabs = 1;
-	}
 
 	return 0;
 }
 early_param("swiotlb", setup_io_tlb_npages);
 
-static bool no_iotlb_memory;
-
-unsigned long swiotlb_nr_tbl(void)
-{
-	return unlikely(no_iotlb_memory) ? 0 : io_tlb_nslabs;
-}
-EXPORT_SYMBOL_GPL(swiotlb_nr_tbl);
-
 unsigned int swiotlb_max_segment(void)
 {
-	return unlikely(no_iotlb_memory) ? 0 : max_segment;
+	return io_tlb_default_mem.nslabs ? max_segment : 0;
 }
 EXPORT_SYMBOL_GPL(swiotlb_max_segment);
 
@@ -149,28 +113,36 @@
 		max_segment = rounddown(val, PAGE_SIZE);
 }
 
-/* default to 64MB */
-#define IO_TLB_DEFAULT_SIZE (64UL<<20)
 unsigned long swiotlb_size_or_default(void)
 {
-	unsigned long size;
+	return default_nslabs << IO_TLB_SHIFT;
+}
 
-	size = io_tlb_nslabs << IO_TLB_SHIFT;
-
-	return size ? size : (IO_TLB_DEFAULT_SIZE);
+void __init swiotlb_adjust_size(unsigned long size)
+{
+	/*
+	 * If swiotlb parameter has not been specified, give a chance to
+	 * architectures such as those supporting memory encryption to
+	 * adjust/expand SWIOTLB size for their use.
+	 */
+	if (default_nslabs != IO_TLB_DEFAULT_SIZE >> IO_TLB_SHIFT)
+		return;
+	size = ALIGN(size, IO_TLB_SIZE);
+	default_nslabs = ALIGN(size >> IO_TLB_SHIFT, IO_TLB_SEGSIZE);
+	pr_info("SWIOTLB bounce buffer size adjusted to %luMB", size >> 20);
 }
 
 void swiotlb_print_info(void)
 {
-	unsigned long bytes = io_tlb_nslabs << IO_TLB_SHIFT;
+	struct io_tlb_mem *mem = &io_tlb_default_mem;
 
-	if (no_iotlb_memory) {
+	if (!mem->nslabs) {
 		pr_warn("No low mem\n");
 		return;
 	}
 
-	pr_info("mapped [mem %pa-%pa] (%luMB)\n", &io_tlb_start, &io_tlb_end,
-	       bytes >> 20);
+	pr_info("mapped [mem %pa-%pa] (%luMB)\n", &mem->start, &mem->end,
+	       (mem->nslabs << IO_TLB_SHIFT) >> 20);
 }
 
 static inline unsigned long io_tlb_offset(unsigned long val)
@@ -191,57 +163,65 @@
  */
 void __init swiotlb_update_mem_attributes(void)
 {
+	struct io_tlb_mem *mem = &io_tlb_default_mem;
 	void *vaddr;
 	unsigned long bytes;
 
-	if (no_iotlb_memory || late_alloc)
+	if (!mem->nslabs || mem->late_alloc)
 		return;
-
-	vaddr = phys_to_virt(io_tlb_start);
-	bytes = PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT);
+	vaddr = phys_to_virt(mem->start);
+	bytes = PAGE_ALIGN(mem->nslabs << IO_TLB_SHIFT);
 	set_memory_decrypted((unsigned long)vaddr, bytes >> PAGE_SHIFT);
 	memset(vaddr, 0, bytes);
 }
 
+static void swiotlb_init_io_tlb_mem(struct io_tlb_mem *mem, phys_addr_t start,
+				    unsigned long nslabs, bool late_alloc)
+{
+	void *vaddr = phys_to_virt(start);
+	unsigned long bytes = nslabs << IO_TLB_SHIFT, i;
+
+	mem->nslabs = nslabs;
+	mem->start = start;
+	mem->end = mem->start + bytes;
+	mem->index = 0;
+	mem->late_alloc = late_alloc;
+
+	if (swiotlb_force == SWIOTLB_FORCE)
+		mem->force_bounce = true;
+
+	spin_lock_init(&mem->lock);
+	for (i = 0; i < mem->nslabs; i++) {
+		mem->slots[i].list = IO_TLB_SEGSIZE - io_tlb_offset(i);
+		mem->slots[i].orig_addr = INVALID_PHYS_ADDR;
+		mem->slots[i].alloc_size = 0;
+	}
+	memset(vaddr, 0, bytes);
+}
+
 int __init swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose)
 {
-	unsigned long i, bytes;
+	struct io_tlb_mem *mem = &io_tlb_default_mem;
 	size_t alloc_size;
 
-	bytes = nslabs << IO_TLB_SHIFT;
+	if (swiotlb_force == SWIOTLB_NO_FORCE)
+		return 0;
 
-	io_tlb_nslabs = nslabs;
-	io_tlb_start = __pa(tlb);
-	io_tlb_end = io_tlb_start + bytes;
+	/* protect against double initialization */
+	if (WARN_ON_ONCE(mem->nslabs))
+		return -ENOMEM;
 
-	/*
-	 * Allocate and initialize the free list array.  This array is used
-	 * to find contiguous free memory regions of size up to IO_TLB_SEGSIZE
-	 * between io_tlb_start and io_tlb_end.
-	 */
-	alloc_size = PAGE_ALIGN(io_tlb_nslabs * sizeof(int));
-	io_tlb_list = memblock_alloc(alloc_size, PAGE_SIZE);
-	if (!io_tlb_list)
+	alloc_size = PAGE_ALIGN(array_size(sizeof(*mem->slots), nslabs));
+	mem->slots = memblock_alloc(alloc_size, PAGE_SIZE);
+	if (!mem->slots)
 		panic("%s: Failed to allocate %zu bytes align=0x%lx\n",
 		      __func__, alloc_size, PAGE_SIZE);
 
-	alloc_size = PAGE_ALIGN(io_tlb_nslabs * sizeof(phys_addr_t));
-	io_tlb_orig_addr = memblock_alloc(alloc_size, PAGE_SIZE);
-	if (!io_tlb_orig_addr)
-		panic("%s: Failed to allocate %zu bytes align=0x%lx\n",
-		      __func__, alloc_size, PAGE_SIZE);
-
-	for (i = 0; i < io_tlb_nslabs; i++) {
-		io_tlb_list[i] = IO_TLB_SEGSIZE - io_tlb_offset(i);
-		io_tlb_orig_addr[i] = INVALID_PHYS_ADDR;
-	}
-	io_tlb_index = 0;
-	no_iotlb_memory = false;
+	swiotlb_init_io_tlb_mem(mem, __pa(tlb), nslabs, false);
 
 	if (verbose)
 		swiotlb_print_info();
-
-	swiotlb_set_max_segment(io_tlb_nslabs << IO_TLB_SHIFT);
+	swiotlb_set_max_segment(mem->nslabs << IO_TLB_SHIFT);
 	return 0;
 }
 
@@ -252,29 +232,24 @@
 void  __init
 swiotlb_init(int verbose)
 {
-	size_t default_size = IO_TLB_DEFAULT_SIZE;
-	unsigned char *vstart;
-	unsigned long bytes;
+	size_t bytes = PAGE_ALIGN(default_nslabs << IO_TLB_SHIFT);
+	void *tlb;
 
-	if (!io_tlb_nslabs) {
-		io_tlb_nslabs = (default_size >> IO_TLB_SHIFT);
-		io_tlb_nslabs = ALIGN(io_tlb_nslabs, IO_TLB_SEGSIZE);
-	}
-
-	bytes = io_tlb_nslabs << IO_TLB_SHIFT;
-
-	/* Get IO TLB memory from the low pages */
-	vstart = memblock_alloc_low(PAGE_ALIGN(bytes), PAGE_SIZE);
-	if (vstart && !swiotlb_init_with_tbl(vstart, io_tlb_nslabs, verbose))
+	if (swiotlb_force == SWIOTLB_NO_FORCE)
 		return;
 
-	if (io_tlb_start) {
-		memblock_free_early(io_tlb_start,
-				    PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
-		io_tlb_start = 0;
-	}
+	/* Get IO TLB memory from the low pages */
+	tlb = memblock_alloc_low(bytes, PAGE_SIZE);
+	if (!tlb)
+		goto fail;
+	if (swiotlb_init_with_tbl(tlb, default_nslabs, verbose))
+		goto fail_free_mem;
+	return;
+
+fail_free_mem:
+	memblock_free_early(__pa(tlb), bytes);
+fail:
 	pr_warn("Cannot allocate buffer");
-	no_iotlb_memory = true;
 }
 
 /*
@@ -285,22 +260,22 @@
 int
 swiotlb_late_init_with_default_size(size_t default_size)
 {
-	unsigned long bytes, req_nslabs = io_tlb_nslabs;
+	unsigned long nslabs =
+		ALIGN(default_size >> IO_TLB_SHIFT, IO_TLB_SEGSIZE);
+	unsigned long bytes;
 	unsigned char *vstart = NULL;
 	unsigned int order;
 	int rc = 0;
 
-	if (!io_tlb_nslabs) {
-		io_tlb_nslabs = (default_size >> IO_TLB_SHIFT);
-		io_tlb_nslabs = ALIGN(io_tlb_nslabs, IO_TLB_SEGSIZE);
-	}
+	if (swiotlb_force == SWIOTLB_NO_FORCE)
+		return 0;
 
 	/*
 	 * Get IO TLB memory from the low pages
 	 */
-	order = get_order(io_tlb_nslabs << IO_TLB_SHIFT);
-	io_tlb_nslabs = SLABS_PER_PAGE << order;
-	bytes = io_tlb_nslabs << IO_TLB_SHIFT;
+	order = get_order(nslabs << IO_TLB_SHIFT);
+	nslabs = SLABS_PER_PAGE << order;
+	bytes = nslabs << IO_TLB_SHIFT;
 
 	while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) {
 		vstart = (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN,
@@ -310,116 +285,124 @@
 		order--;
 	}
 
-	if (!vstart) {
-		io_tlb_nslabs = req_nslabs;
+	if (!vstart)
 		return -ENOMEM;
-	}
+
 	if (order != get_order(bytes)) {
 		pr_warn("only able to allocate %ld MB\n",
 			(PAGE_SIZE << order) >> 20);
-		io_tlb_nslabs = SLABS_PER_PAGE << order;
+		nslabs = SLABS_PER_PAGE << order;
 	}
-	rc = swiotlb_late_init_with_tbl(vstart, io_tlb_nslabs);
+	rc = swiotlb_late_init_with_tbl(vstart, nslabs);
 	if (rc)
 		free_pages((unsigned long)vstart, order);
 
 	return rc;
 }
 
-static void swiotlb_cleanup(void)
-{
-	io_tlb_end = 0;
-	io_tlb_start = 0;
-	io_tlb_nslabs = 0;
-	max_segment = 0;
-}
-
 int
 swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs)
 {
-	unsigned long i, bytes;
+	struct io_tlb_mem *mem = &io_tlb_default_mem;
+	unsigned long bytes = nslabs << IO_TLB_SHIFT;
 
-	bytes = nslabs << IO_TLB_SHIFT;
+	if (swiotlb_force == SWIOTLB_NO_FORCE)
+		return 0;
 
-	io_tlb_nslabs = nslabs;
-	io_tlb_start = virt_to_phys(tlb);
-	io_tlb_end = io_tlb_start + bytes;
+	/* protect against double initialization */
+	if (WARN_ON_ONCE(mem->nslabs))
+		return -ENOMEM;
+
+	mem->slots = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
+		get_order(array_size(sizeof(*mem->slots), nslabs)));
+	if (!mem->slots)
+		return -ENOMEM;
 
 	set_memory_decrypted((unsigned long)tlb, bytes >> PAGE_SHIFT);
-	memset(tlb, 0, bytes);
-
-	/*
-	 * Allocate and initialize the free list array.  This array is used
-	 * to find contiguous free memory regions of size up to IO_TLB_SEGSIZE
-	 * between io_tlb_start and io_tlb_end.
-	 */
-	io_tlb_list = (unsigned int *)__get_free_pages(GFP_KERNEL,
-	                              get_order(io_tlb_nslabs * sizeof(int)));
-	if (!io_tlb_list)
-		goto cleanup3;
-
-	io_tlb_orig_addr = (phys_addr_t *)
-		__get_free_pages(GFP_KERNEL,
-				 get_order(io_tlb_nslabs *
-					   sizeof(phys_addr_t)));
-	if (!io_tlb_orig_addr)
-		goto cleanup4;
-
-	for (i = 0; i < io_tlb_nslabs; i++) {
-		io_tlb_list[i] = IO_TLB_SEGSIZE - io_tlb_offset(i);
-		io_tlb_orig_addr[i] = INVALID_PHYS_ADDR;
-	}
-	io_tlb_index = 0;
-	no_iotlb_memory = false;
+	swiotlb_init_io_tlb_mem(mem, virt_to_phys(tlb), nslabs, true);
 
 	swiotlb_print_info();
-
-	late_alloc = 1;
-
-	swiotlb_set_max_segment(io_tlb_nslabs << IO_TLB_SHIFT);
-
+	swiotlb_set_max_segment(mem->nslabs << IO_TLB_SHIFT);
 	return 0;
-
-cleanup4:
-	free_pages((unsigned long)io_tlb_list, get_order(io_tlb_nslabs *
-	                                                 sizeof(int)));
-	io_tlb_list = NULL;
-cleanup3:
-	swiotlb_cleanup();
-	return -ENOMEM;
 }
 
 void __init swiotlb_exit(void)
 {
-	if (!io_tlb_orig_addr)
+	struct io_tlb_mem *mem = &io_tlb_default_mem;
+	unsigned long tbl_vaddr;
+	size_t tbl_size, slots_size;
+
+	if (!mem->nslabs)
 		return;
 
-	if (late_alloc) {
-		free_pages((unsigned long)io_tlb_orig_addr,
-			   get_order(io_tlb_nslabs * sizeof(phys_addr_t)));
-		free_pages((unsigned long)io_tlb_list, get_order(io_tlb_nslabs *
-								 sizeof(int)));
-		free_pages((unsigned long)phys_to_virt(io_tlb_start),
-			   get_order(io_tlb_nslabs << IO_TLB_SHIFT));
+	pr_info("tearing down default memory pool\n");
+	tbl_vaddr = (unsigned long)phys_to_virt(mem->start);
+	tbl_size = PAGE_ALIGN(mem->end - mem->start);
+	slots_size = PAGE_ALIGN(array_size(sizeof(*mem->slots), mem->nslabs));
+
+	set_memory_encrypted(tbl_vaddr, tbl_size >> PAGE_SHIFT);
+	if (mem->late_alloc) {
+		free_pages(tbl_vaddr, get_order(tbl_size));
+		free_pages((unsigned long)mem->slots, get_order(slots_size));
 	} else {
-		memblock_free_late(__pa(io_tlb_orig_addr),
-				   PAGE_ALIGN(io_tlb_nslabs * sizeof(phys_addr_t)));
-		memblock_free_late(__pa(io_tlb_list),
-				   PAGE_ALIGN(io_tlb_nslabs * sizeof(int)));
-		memblock_free_late(io_tlb_start,
-				   PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
+		memblock_free_late(mem->start, tbl_size);
+		memblock_free_late(__pa(mem->slots), slots_size);
 	}
-	swiotlb_cleanup();
+
+	memset(mem, 0, sizeof(*mem));
+}
+
+/*
+ * Return the offset into a iotlb slot required to keep the device happy.
+ */
+static unsigned int swiotlb_align_offset(struct device *dev, u64 addr)
+{
+	return addr & dma_get_min_align_mask(dev) & (IO_TLB_SIZE - 1);
 }
 
 /*
  * Bounce: copy the swiotlb buffer from or back to the original dma location
  */
-static void swiotlb_bounce(phys_addr_t orig_addr, phys_addr_t tlb_addr,
-			   size_t size, enum dma_data_direction dir)
+static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
+			   enum dma_data_direction dir)
 {
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
+	int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
+	phys_addr_t orig_addr = mem->slots[index].orig_addr;
+	size_t alloc_size = mem->slots[index].alloc_size;
 	unsigned long pfn = PFN_DOWN(orig_addr);
 	unsigned char *vaddr = phys_to_virt(tlb_addr);
+	unsigned int tlb_offset, orig_addr_offset;
+
+	if (orig_addr == INVALID_PHYS_ADDR)
+		return;
+
+	tlb_offset = tlb_addr & (IO_TLB_SIZE - 1);
+	orig_addr_offset = swiotlb_align_offset(dev, orig_addr);
+	if (tlb_offset < orig_addr_offset) {
+		dev_WARN_ONCE(dev, 1,
+			"Access before mapping start detected. orig offset %u, requested offset %u.\n",
+			orig_addr_offset, tlb_offset);
+		return;
+	}
+
+	tlb_offset -= orig_addr_offset;
+	if (tlb_offset > alloc_size) {
+		dev_WARN_ONCE(dev, 1,
+			"Buffer overflow detected. Allocation size: %zu. Mapping size: %zu+%u.\n",
+			alloc_size, size, tlb_offset);
+		return;
+	}
+
+	orig_addr += tlb_offset;
+	alloc_size -= tlb_offset;
+
+	if (size > alloc_size) {
+		dev_WARN_ONCE(dev, 1,
+			"Buffer overflow detected. Allocation size: %zu. Mapping size: %zu.\n",
+			alloc_size, size);
+		size = alloc_size;
+	}
 
 	if (PageHighMem(pfn_to_page(pfn))) {
 		/* The buffer does not have a mapping.  Map it in and copy */
@@ -458,14 +441,6 @@
 }
 
 /*
- * Return the offset into a iotlb slot required to keep the device happy.
- */
-static unsigned int swiotlb_align_offset(struct device *dev, u64 addr)
-{
-	return addr & dma_get_min_align_mask(dev) & (IO_TLB_SIZE - 1);
-}
-
-/*
  * Carefully handle integer overflow which can occur when boundary_mask == ~0UL.
  */
 static inline unsigned long get_max_slots(unsigned long boundary_mask)
@@ -475,9 +450,9 @@
 	return nr_slots(boundary_mask + 1);
 }
 
-static unsigned int wrap_index(unsigned int index)
+static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
 {
-	if (index >= io_tlb_nslabs)
+	if (index >= mem->nslabs)
 		return 0;
 	return index;
 }
@@ -486,17 +461,19 @@
  * Find a suitable number of IO TLB entries size that will fit this request and
  * allocate a buffer from that IO TLB pool.
  */
-static int find_slots(struct device *dev, phys_addr_t orig_addr,
-		size_t alloc_size)
+static int swiotlb_find_slots(struct device *dev, phys_addr_t orig_addr,
+			      size_t alloc_size)
 {
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
 	unsigned long boundary_mask = dma_get_seg_boundary(dev);
 	dma_addr_t tbl_dma_addr =
-		phys_to_dma_unencrypted(dev, io_tlb_start) & boundary_mask;
+		phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
 	unsigned long max_slots = get_max_slots(boundary_mask);
 	unsigned int iotlb_align_mask =
 		dma_get_min_align_mask(dev) & ~(IO_TLB_SIZE - 1);
 	unsigned int nslots = nr_slots(alloc_size), stride;
 	unsigned int index, wrap, count = 0, i;
+	unsigned int offset = swiotlb_align_offset(dev, orig_addr);
 	unsigned long flags;
 
 	BUG_ON(!nslots);
@@ -510,15 +487,16 @@
 	if (alloc_size >= PAGE_SIZE)
 		stride = max(stride, stride << (PAGE_SHIFT - IO_TLB_SHIFT));
 
-	spin_lock_irqsave(&io_tlb_lock, flags);
-	if (unlikely(nslots > io_tlb_nslabs - io_tlb_used))
+	spin_lock_irqsave(&mem->lock, flags);
+	if (unlikely(nslots > mem->nslabs - mem->used))
 		goto not_found;
 
-	index = wrap = wrap_index(ALIGN(io_tlb_index, stride));
+	index = wrap = wrap_index(mem, ALIGN(mem->index, stride));
 	do {
-		if ((slot_addr(tbl_dma_addr, index) & iotlb_align_mask) !=
-		    (orig_addr & iotlb_align_mask)) {
-			index = wrap_index(index + 1);
+		if (orig_addr &&
+		    (slot_addr(tbl_dma_addr, index) & iotlb_align_mask) !=
+			    (orig_addr & iotlb_align_mask)) {
+			index = wrap_index(mem, index + 1);
 			continue;
 		}
 
@@ -530,34 +508,37 @@
 		if (!iommu_is_span_boundary(index, nslots,
 					    nr_slots(tbl_dma_addr),
 					    max_slots)) {
-			if (io_tlb_list[index] >= nslots)
+			if (mem->slots[index].list >= nslots)
 				goto found;
 		}
-		index = wrap_index(index + stride);
+		index = wrap_index(mem, index + stride);
 	} while (index != wrap);
 
 not_found:
-	spin_unlock_irqrestore(&io_tlb_lock, flags);
+	spin_unlock_irqrestore(&mem->lock, flags);
 	return -1;
 
 found:
-	for (i = index; i < index + nslots; i++)
-		io_tlb_list[i] = 0;
+	for (i = index; i < index + nslots; i++) {
+		mem->slots[i].list = 0;
+		mem->slots[i].alloc_size =
+			alloc_size - (offset + ((i - index) << IO_TLB_SHIFT));
+	}
 	for (i = index - 1;
 	     io_tlb_offset(i) != IO_TLB_SEGSIZE - 1 &&
-	     io_tlb_list[i]; i--)
-		io_tlb_list[i] = ++count;
+	     mem->slots[i].list; i--)
+		mem->slots[i].list = ++count;
 
 	/*
 	 * Update the indices to avoid searching in the next round.
 	 */
-	if (index + nslots < io_tlb_nslabs)
-		io_tlb_index = index + nslots;
+	if (index + nslots < mem->nslabs)
+		mem->index = index + nslots;
 	else
-		io_tlb_index = 0;
-	io_tlb_used += nslots;
+		mem->index = 0;
+	mem->used += nslots;
 
-	spin_unlock_irqrestore(&io_tlb_lock, flags);
+	spin_unlock_irqrestore(&mem->lock, flags);
 	return index;
 }
 
@@ -565,12 +546,13 @@
 		size_t mapping_size, size_t alloc_size,
 		enum dma_data_direction dir, unsigned long attrs)
 {
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
 	unsigned int offset = swiotlb_align_offset(dev, orig_addr);
 	unsigned int i;
 	int index;
 	phys_addr_t tlb_addr;
 
-	if (no_iotlb_memory)
+	if (!mem || !mem->nslabs)
 		panic("Can not allocate SWIOTLB buffer earlier and can't now provide you with the DMA bounce buffer");
 
 	if (mem_encrypt_active())
@@ -582,12 +564,12 @@
 		return (phys_addr_t)DMA_MAPPING_ERROR;
 	}
 
-	index = find_slots(dev, orig_addr, alloc_size + offset);
+	index = swiotlb_find_slots(dev, orig_addr, alloc_size + offset);
 	if (index == -1) {
 		if (!(attrs & DMA_ATTR_NO_WARN))
 			dev_warn_ratelimited(dev,
 	"swiotlb buffer is full (sz: %zd bytes), total %lu (slots), used %lu (slots)\n",
-				 alloc_size, io_tlb_nslabs, io_tlb_used);
+				 alloc_size, mem->nslabs, mem->used);
 		return (phys_addr_t)DMA_MAPPING_ERROR;
 	}
 
@@ -597,9 +579,9 @@
 	 * needed.
 	 */
 	for (i = 0; i < nr_slots(alloc_size + offset); i++)
-		io_tlb_orig_addr[index + i] = slot_addr(orig_addr, i);
+		mem->slots[index + i].orig_addr = slot_addr(orig_addr, i);
+	tlb_addr = slot_addr(mem->start, index) + offset;
 
-	tlb_addr = slot_addr(io_tlb_start, index) + offset;
 	/*
 	 * When dir == DMA_FROM_DEVICE we could omit the copy from the orig
 	 * to the tlb buffer, if we knew for sure the device will
@@ -607,30 +589,18 @@
 	 * unconditional bounce may prevent leaking swiotlb content (i.e.
 	 * kernel memory) to user-space.
 	 */
-	swiotlb_bounce(orig_addr, tlb_addr, mapping_size, DMA_TO_DEVICE);
+	swiotlb_bounce(dev, tlb_addr, mapping_size, DMA_TO_DEVICE);
 	return tlb_addr;
 }
 
-/*
- * tlb_addr is the physical address of the bounce buffer to unmap.
- */
-void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
-			      size_t mapping_size, size_t alloc_size,
-			      enum dma_data_direction dir, unsigned long attrs)
+static void swiotlb_release_slots(struct device *dev, phys_addr_t tlb_addr)
 {
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
 	unsigned long flags;
-	unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
-	int i, count, nslots = nr_slots(alloc_size + offset);
-	int index = (tlb_addr - offset - io_tlb_start) >> IO_TLB_SHIFT;
-	phys_addr_t orig_addr = io_tlb_orig_addr[index];
-
-	/*
-	 * First, sync the memory before unmapping the entry
-	 */
-	if (orig_addr != INVALID_PHYS_ADDR &&
-	    !(attrs & DMA_ATTR_SKIP_CPU_SYNC) &&
-	    ((dir == DMA_FROM_DEVICE) || (dir == DMA_BIDIRECTIONAL)))
-		swiotlb_bounce(orig_addr, tlb_addr, mapping_size, DMA_FROM_DEVICE);
+	unsigned int offset = swiotlb_align_offset(dev, tlb_addr);
+	int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
+	int nslots = nr_slots(mem->slots[index].alloc_size + offset);
+	int count, i;
 
 	/*
 	 * Return the buffer to the free list by setting the corresponding
@@ -638,9 +608,9 @@
 	 * While returning the entries to the free list, we merge the entries
 	 * with slots below and above the pool being returned.
 	 */
-	spin_lock_irqsave(&io_tlb_lock, flags);
+	spin_lock_irqsave(&mem->lock, flags);
 	if (index + nslots < ALIGN(index + 1, IO_TLB_SEGSIZE))
-		count = io_tlb_list[index + nslots];
+		count = mem->slots[index + nslots].list;
 	else
 		count = 0;
 
@@ -649,8 +619,9 @@
 	 * superceeding slots
 	 */
 	for (i = index + nslots - 1; i >= index; i--) {
-		io_tlb_list[i] = ++count;
-		io_tlb_orig_addr[i] = INVALID_PHYS_ADDR;
+		mem->slots[i].list = ++count;
+		mem->slots[i].orig_addr = INVALID_PHYS_ADDR;
+		mem->slots[i].alloc_size = 0;
 	}
 
 	/*
@@ -658,44 +629,46 @@
 	 * available (non zero)
 	 */
 	for (i = index - 1;
-	     io_tlb_offset(i) != IO_TLB_SEGSIZE - 1 && io_tlb_list[i];
+	     io_tlb_offset(i) != IO_TLB_SEGSIZE - 1 && mem->slots[i].list;
 	     i--)
-		io_tlb_list[i] = ++count;
-	io_tlb_used -= nslots;
-	spin_unlock_irqrestore(&io_tlb_lock, flags);
+		mem->slots[i].list = ++count;
+	mem->used -= nslots;
+	spin_unlock_irqrestore(&mem->lock, flags);
 }
 
-void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
-			     size_t size, enum dma_data_direction dir,
-			     enum dma_sync_target target)
+/*
+ * tlb_addr is the physical address of the bounce buffer to unmap.
+ */
+void swiotlb_tbl_unmap_single(struct device *dev, phys_addr_t tlb_addr,
+			      size_t mapping_size, enum dma_data_direction dir,
+			      unsigned long attrs)
 {
-	int index = (tlb_addr - io_tlb_start) >> IO_TLB_SHIFT;
-	phys_addr_t orig_addr = io_tlb_orig_addr[index];
+	/*
+	 * First, sync the memory before unmapping the entry
+	 */
+	if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC) &&
+	    (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL))
+		swiotlb_bounce(dev, tlb_addr, mapping_size, DMA_FROM_DEVICE);
 
-	if (orig_addr == INVALID_PHYS_ADDR)
-		return;
+	swiotlb_release_slots(dev, tlb_addr);
+}
 
-	orig_addr += (tlb_addr & (IO_TLB_SIZE - 1)) -
-		swiotlb_align_offset(hwdev, orig_addr);
+void swiotlb_sync_single_for_device(struct device *dev, phys_addr_t tlb_addr,
+		size_t size, enum dma_data_direction dir)
+{
+	if (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL)
+		swiotlb_bounce(dev, tlb_addr, size, DMA_TO_DEVICE);
+	else
+		BUG_ON(dir != DMA_FROM_DEVICE);
+}
 
-	switch (target) {
-	case SYNC_FOR_CPU:
-		if (likely(dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL))
-			swiotlb_bounce(orig_addr, tlb_addr,
-				       size, DMA_FROM_DEVICE);
-		else
-			BUG_ON(dir != DMA_TO_DEVICE);
-		break;
-	case SYNC_FOR_DEVICE:
-		if (likely(dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL))
-			swiotlb_bounce(orig_addr, tlb_addr,
-				       size, DMA_TO_DEVICE);
-		else
-			BUG_ON(dir != DMA_FROM_DEVICE);
-		break;
-	default:
-		BUG();
-	}
+void swiotlb_sync_single_for_cpu(struct device *dev, phys_addr_t tlb_addr,
+		size_t size, enum dma_data_direction dir)
+{
+	if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL)
+		swiotlb_bounce(dev, tlb_addr, size, DMA_FROM_DEVICE);
+	else
+		BUG_ON(dir != DMA_TO_DEVICE);
 }
 
 /*
@@ -719,7 +692,7 @@
 	/* Ensure that the address returned is DMA'ble */
 	dma_addr = phys_to_dma_unencrypted(dev, swiotlb_addr);
 	if (unlikely(!dma_capable(dev, dma_addr, size, true))) {
-		swiotlb_tbl_unmap_single(dev, swiotlb_addr, size, size, dir,
+		swiotlb_tbl_unmap_single(dev, swiotlb_addr, size, dir,
 			attrs | DMA_ATTR_SKIP_CPU_SYNC);
 		dev_WARN_ONCE(dev, 1,
 			"swiotlb addr %pad+%zu overflow (mask %llx, bus limit %llx).\n",
@@ -748,27 +721,155 @@
 	return ((size_t)IO_TLB_SIZE) * IO_TLB_SEGSIZE - min_align;
 }
 
-bool is_swiotlb_active(void)
+bool is_swiotlb_active(struct device *dev)
 {
-	/*
-	 * When SWIOTLB is initialized, even if io_tlb_start points to physical
-	 * address zero, io_tlb_end surely doesn't.
-	 */
-	return io_tlb_end != 0;
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
+
+	return mem && mem->nslabs;
 }
+EXPORT_SYMBOL_GPL(is_swiotlb_active);
 
 #ifdef CONFIG_DEBUG_FS
+static struct dentry *debugfs_dir;
 
-static int __init swiotlb_create_debugfs(void)
+static void swiotlb_create_debugfs_files(struct io_tlb_mem *mem)
 {
-	struct dentry *root;
+	debugfs_create_ulong("io_tlb_nslabs", 0400, mem->debugfs, &mem->nslabs);
+	debugfs_create_ulong("io_tlb_used", 0400, mem->debugfs, &mem->used);
+}
 
-	root = debugfs_create_dir("swiotlb", NULL);
-	debugfs_create_ulong("io_tlb_nslabs", 0400, root, &io_tlb_nslabs);
-	debugfs_create_ulong("io_tlb_used", 0400, root, &io_tlb_used);
+static int __init swiotlb_create_default_debugfs(void)
+{
+	struct io_tlb_mem *mem = &io_tlb_default_mem;
+
+	debugfs_dir = debugfs_create_dir("swiotlb", NULL);
+	if (mem->nslabs) {
+		mem->debugfs = debugfs_dir;
+		swiotlb_create_debugfs_files(mem);
+	}
 	return 0;
 }
 
-late_initcall(swiotlb_create_debugfs);
+late_initcall(swiotlb_create_default_debugfs);
 
 #endif
+
+#ifdef CONFIG_DMA_RESTRICTED_POOL
+
+#ifdef CONFIG_DEBUG_FS
+static void rmem_swiotlb_debugfs_init(struct reserved_mem *rmem)
+{
+	struct io_tlb_mem *mem = rmem->priv;
+
+	mem->debugfs = debugfs_create_dir(rmem->name, debugfs_dir);
+	swiotlb_create_debugfs_files(mem);
+}
+#else
+static void rmem_swiotlb_debugfs_init(struct reserved_mem *rmem)
+{
+}
+#endif
+
+struct page *swiotlb_alloc(struct device *dev, size_t size)
+{
+	struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
+	phys_addr_t tlb_addr;
+	int index;
+
+	if (!mem)
+		return NULL;
+
+	index = swiotlb_find_slots(dev, 0, size);
+	if (index == -1)
+		return NULL;
+
+	tlb_addr = slot_addr(mem->start, index);
+
+	return pfn_to_page(PFN_DOWN(tlb_addr));
+}
+
+bool swiotlb_free(struct device *dev, struct page *page, size_t size)
+{
+	phys_addr_t tlb_addr = page_to_phys(page);
+
+	if (!is_swiotlb_buffer(dev, tlb_addr))
+		return false;
+
+	swiotlb_release_slots(dev, tlb_addr);
+
+	return true;
+}
+
+static int rmem_swiotlb_device_init(struct reserved_mem *rmem,
+				    struct device *dev)
+{
+	struct io_tlb_mem *mem = rmem->priv;
+	unsigned long nslabs = rmem->size >> IO_TLB_SHIFT;
+
+	if (PageHighMem(pfn_to_page(PHYS_PFN(rmem->base)))) {
+		dev_err(dev, "Restricted DMA pool must be accessible within the linear mapping.");
+		return -EINVAL;
+	}
+
+	/*
+	 * Since multiple devices can share the same pool, the private data,
+	 * io_tlb_mem struct, will be initialized by the first device attached
+	 * to it.
+	 */
+	if (!mem) {
+		mem = kzalloc(sizeof(*mem), GFP_KERNEL);
+		if (!mem)
+			return -ENOMEM;
+
+		mem->slots = kzalloc(array_size(sizeof(*mem->slots), nslabs),
+				     GFP_KERNEL);
+		if (!mem->slots) {
+			kfree(mem);
+			return -ENOMEM;
+		}
+
+		set_memory_decrypted((unsigned long)phys_to_virt(rmem->base),
+				     rmem->size >> PAGE_SHIFT);
+		swiotlb_init_io_tlb_mem(mem, rmem->base, nslabs, false);
+		mem->force_bounce = true;
+		mem->for_alloc = true;
+
+		rmem->priv = mem;
+
+		rmem_swiotlb_debugfs_init(rmem);
+	}
+
+	dev->dma_io_tlb_mem = mem;
+
+	return 0;
+}
+
+static void rmem_swiotlb_device_release(struct reserved_mem *rmem,
+					struct device *dev)
+{
+	dev->dma_io_tlb_mem = &io_tlb_default_mem;
+}
+
+static const struct reserved_mem_ops rmem_swiotlb_ops = {
+	.device_init = rmem_swiotlb_device_init,
+	.device_release = rmem_swiotlb_device_release,
+};
+
+static int __init rmem_swiotlb_setup(struct reserved_mem *rmem)
+{
+	unsigned long node = rmem->fdt_node;
+
+	if (of_get_flat_dt_prop(node, "reusable", NULL) ||
+	    of_get_flat_dt_prop(node, "linux,cma-default", NULL) ||
+	    of_get_flat_dt_prop(node, "linux,dma-default", NULL) ||
+	    of_get_flat_dt_prop(node, "no-map", NULL))
+		return -EINVAL;
+
+	rmem->ops = &rmem_swiotlb_ops;
+	pr_info("Reserved memory: created restricted DMA pool at %pa, size %ld MiB\n",
+		&rmem->base, (unsigned long)rmem->size / SZ_1M);
+	return 0;
+}
+
+RESERVEDMEM_OF_DECLARE(dma, "restricted-dma-pool", rmem_swiotlb_setup);
+#endif /* CONFIG_DMA_RESTRICTED_POOL */
diff --git a/kernel/events/core.c b/kernel/events/core.c
index afedd00..e2d55bf 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1912,34 +1912,28 @@
 					      PERF_EVENT_STATE_INACTIVE;
 }
 
-static int __perf_event_read_size(u64 read_format, int nr_siblings)
+static void __perf_event_read_size(struct perf_event *event, int nr_siblings)
 {
 	int entry = sizeof(u64); /* value */
 	int size = 0;
 	int nr = 1;
 
-	if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
+	if (event->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
 		size += sizeof(u64);
 
-	if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
+	if (event->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
 		size += sizeof(u64);
 
-	if (read_format & PERF_FORMAT_ID)
+	if (event->attr.read_format & PERF_FORMAT_ID)
 		entry += sizeof(u64);
 
-	if (read_format & PERF_FORMAT_LOST)
-		entry += sizeof(u64);
-
-	if (read_format & PERF_FORMAT_GROUP) {
+	if (event->attr.read_format & PERF_FORMAT_GROUP) {
 		nr += nr_siblings;
 		size += sizeof(u64);
 	}
 
-	/*
-	 * Since perf_event_validate_size() limits this to 16k and inhibits
-	 * adding more siblings, this will never overflow.
-	 */
-	return size + nr * entry;
+	size += entry * nr;
+	event->read_size = size;
 }
 
 static void __perf_event_header_size(struct perf_event *event, u64 sample_type)
@@ -1983,9 +1977,8 @@
  */
 static void perf_event__header_size(struct perf_event *event)
 {
-	event->read_size =
-		__perf_event_read_size(event->attr.read_format,
-				       event->group_leader->nr_siblings);
+	__perf_event_read_size(event,
+			       event->group_leader->nr_siblings);
 	__perf_event_header_size(event, event->attr.sample_type);
 }
 
@@ -2016,44 +2009,23 @@
 	event->id_header_size = size;
 }
 
-/*
- * Check that adding an event to the group does not result in anybody
- * overflowing the 64k event limit imposed by the output buffer.
- *
- * Specifically, check that the read_size for the event does not exceed 16k,
- * read_size being the one term that grows with groups size. Since read_size
- * depends on per-event read_format, also (re)check the existing events.
- *
- * This leaves 48k for the constant size fields and things like callchains,
- * branch stacks and register sets.
- */
 static bool perf_event_validate_size(struct perf_event *event)
 {
-	struct perf_event *sibling, *group_leader = event->group_leader;
-
-	if (__perf_event_read_size(event->attr.read_format,
-				   group_leader->nr_siblings + 1) > 16*1024)
-		return false;
-
-	if (__perf_event_read_size(group_leader->attr.read_format,
-				   group_leader->nr_siblings + 1) > 16*1024)
-		return false;
+	/*
+	 * The values computed here will be over-written when we actually
+	 * attach the event.
+	 */
+	__perf_event_read_size(event, event->group_leader->nr_siblings + 1);
+	__perf_event_header_size(event, event->attr.sample_type & ~PERF_SAMPLE_READ);
+	perf_event__id_header_size(event);
 
 	/*
-	 * When creating a new group leader, group_leader->ctx is initialized
-	 * after the size has been validated, but we cannot safely use
-	 * for_each_sibling_event() until group_leader->ctx is set. A new group
-	 * leader cannot have any siblings yet, so we can safely skip checking
-	 * the non-existent siblings.
+	 * Sum the lot; should not exceed the 64k limit we have on records.
+	 * Conservative limit to allow for callchains and other variable fields.
 	 */
-	if (event == group_leader)
-		return true;
-
-	for_each_sibling_event(sibling, group_leader) {
-		if (__perf_event_read_size(sibling->attr.read_format,
-					   group_leader->nr_siblings + 1) > 16*1024)
-			return false;
-	}
+	if (event->read_size + event->header_size +
+	    event->id_header_size + sizeof(struct perf_event_header) >= 16*1024)
+		return false;
 
 	return true;
 }
@@ -2081,7 +2053,6 @@
 
 	list_add_tail(&event->sibling_list, &group_leader->sibling_list);
 	group_leader->nr_siblings++;
-	group_leader->group_generation++;
 
 	perf_event__header_size(group_leader);
 
@@ -2274,7 +2245,6 @@
 	if (leader != event) {
 		list_del_init(&event->sibling_list);
 		event->group_leader->nr_siblings--;
-		event->group_leader->group_generation++;
 		goto out;
 	}
 
@@ -2294,7 +2264,7 @@
 		/* Inherit group flags from the previous leader */
 		sibling->group_caps = event->group_caps;
 
-		if (!RB_EMPTY_NODE(&event->group_node)) {
+		if (sibling->attach_state & PERF_ATTACH_CONTEXT) {
 			add_event_to_groups(sibling, event->ctx);
 
 			if (sibling->state == PERF_EVENT_STATE_ACTIVE)
@@ -4492,6 +4462,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(perf_event_read_local);
 
 static int perf_event_read(struct perf_event *event, bool group)
 {
@@ -5252,7 +5223,7 @@
 					u64 read_format, u64 *values)
 {
 	struct perf_event_context *ctx = leader->ctx;
-	struct perf_event *sub, *parent;
+	struct perf_event *sub;
 	unsigned long flags;
 	int n = 1; /* skip @nr */
 	int ret;
@@ -5262,33 +5233,6 @@
 		return ret;
 
 	raw_spin_lock_irqsave(&ctx->lock, flags);
-	/*
-	 * Verify the grouping between the parent and child (inherited)
-	 * events is still in tact.
-	 *
-	 * Specifically:
-	 *  - leader->ctx->lock pins leader->sibling_list
-	 *  - parent->child_mutex pins parent->child_list
-	 *  - parent->ctx->mutex pins parent->sibling_list
-	 *
-	 * Because parent->ctx != leader->ctx (and child_list nests inside
-	 * ctx->mutex), group destruction is not atomic between children, also
-	 * see perf_event_release_kernel(). Additionally, parent can grow the
-	 * group.
-	 *
-	 * Therefore it is possible to have parent and child groups in a
-	 * different configuration and summing over such a beast makes no sense
-	 * what so ever.
-	 *
-	 * Reject this.
-	 */
-	parent = leader->parent;
-	if (parent &&
-	    (parent->group_generation != leader->group_generation ||
-	     parent->nr_siblings != leader->nr_siblings)) {
-		ret = -ECHILD;
-		goto unlock;
-	}
 
 	/*
 	 * Since we co-schedule groups, {enabled,running} times of siblings
@@ -5311,20 +5255,15 @@
 	values[n++] += perf_event_count(leader);
 	if (read_format & PERF_FORMAT_ID)
 		values[n++] = primary_event_id(leader);
-	if (read_format & PERF_FORMAT_LOST)
-		values[n++] = atomic64_read(&leader->lost_samples);
 
 	for_each_sibling_event(sub, leader) {
 		values[n++] += perf_event_count(sub);
 		if (read_format & PERF_FORMAT_ID)
 			values[n++] = primary_event_id(sub);
-		if (read_format & PERF_FORMAT_LOST)
-			values[n++] = atomic64_read(&sub->lost_samples);
 	}
 
-unlock:
 	raw_spin_unlock_irqrestore(&ctx->lock, flags);
-	return ret;
+	return 0;
 }
 
 static int perf_read_group(struct perf_event *event,
@@ -5343,6 +5282,10 @@
 
 	values[0] = 1 + leader->nr_siblings;
 
+	/*
+	 * By locking the child_mutex of the leader we effectively
+	 * lock the child list of all siblings.. XXX explain how.
+	 */
 	mutex_lock(&leader->child_mutex);
 
 	ret = __perf_read_group_add(leader, read_format, values);
@@ -5373,7 +5316,7 @@
 				 u64 read_format, char __user *buf)
 {
 	u64 enabled, running;
-	u64 values[5];
+	u64 values[4];
 	int n = 0;
 
 	values[n++] = __perf_event_read_value(event, &enabled, &running);
@@ -5383,8 +5326,6 @@
 		values[n++] = running;
 	if (read_format & PERF_FORMAT_ID)
 		values[n++] = primary_event_id(event);
-	if (read_format & PERF_FORMAT_LOST)
-		values[n++] = atomic64_read(&event->lost_samples);
 
 	if (copy_to_user(buf, values, n * sizeof(u64)))
 		return -EFAULT;
@@ -6864,7 +6805,7 @@
 				 u64 enabled, u64 running)
 {
 	u64 read_format = event->attr.read_format;
-	u64 values[5];
+	u64 values[4];
 	int n = 0;
 
 	values[n++] = perf_event_count(event);
@@ -6878,8 +6819,6 @@
 	}
 	if (read_format & PERF_FORMAT_ID)
 		values[n++] = primary_event_id(event);
-	if (read_format & PERF_FORMAT_LOST)
-		values[n++] = atomic64_read(&event->lost_samples);
 
 	__output_copy(handle, values, n * sizeof(u64));
 }
@@ -6890,7 +6829,7 @@
 {
 	struct perf_event *leader = event->group_leader, *sub;
 	u64 read_format = event->attr.read_format;
-	u64 values[6];
+	u64 values[5];
 	int n = 0;
 
 	values[n++] = 1 + leader->nr_siblings;
@@ -6908,8 +6847,6 @@
 	values[n++] = perf_event_count(leader);
 	if (read_format & PERF_FORMAT_ID)
 		values[n++] = primary_event_id(leader);
-	if (read_format & PERF_FORMAT_LOST)
-		values[n++] = atomic64_read(&leader->lost_samples);
 
 	__output_copy(handle, values, n * sizeof(u64));
 
@@ -6923,8 +6860,6 @@
 		values[n++] = perf_event_count(sub);
 		if (read_format & PERF_FORMAT_ID)
 			values[n++] = primary_event_id(sub);
-		if (read_format & PERF_FORMAT_LOST)
-			values[n++] = atomic64_read(&sub->lost_samples);
 
 		__output_copy(handle, values, n * sizeof(u64));
 	}
@@ -12886,8 +12821,6 @@
 		    !perf_get_aux_event(child_ctr, leader))
 			return -EINVAL;
 	}
-	if (leader)
-		leader->group_generation = parent_event->group_generation;
 	return 0;
 }
 
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index ca27946..01351e7 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -172,10 +172,8 @@
 		goto out;
 
 	if (unlikely(rb->paused)) {
-		if (rb->nr_pages) {
+		if (rb->nr_pages)
 			local_inc(&rb->lost);
-			atomic64_inc(&event->lost_samples);
-		}
 		goto out;
 	}
 
@@ -256,7 +254,6 @@
 
 fail:
 	local_inc(&rb->lost);
-	atomic64_inc(&event->lost_samples);
 	perf_output_put_handle(handle);
 out:
 	rcu_read_unlock();
diff --git a/kernel/exit.c b/kernel/exit.c
index bacdaf9..833a667 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -69,6 +69,7 @@
 #include <linux/uaccess.h>
 #include <asm/unistd.h>
 #include <asm/mmu_context.h>
+#include <trace/hooks/mm.h>
 
 /*
  * The default value should be high enough to not crash a system that randomly
@@ -469,6 +470,7 @@
 		goto retry;
 	}
 	WRITE_ONCE(mm->owner, c);
+	lru_gen_migrate_mm(mm);
 	task_unlock(c);
 	put_task_struct(c);
 }
@@ -531,6 +533,7 @@
 	enter_lazy_tlb(mm, current);
 	task_unlock(current);
 	mm_update_next_owner(mm);
+	trace_android_vh_exit_mm(mm);
 	mmput(mm);
 	if (test_thread_flag(TIF_MEMDIE))
 		exit_oom_victim();
diff --git a/kernel/fork.c b/kernel/fork.c
index 633b0af..0cd3c76 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -42,6 +42,7 @@
 #include <linux/mmu_notifier.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
+#include <linux/mm_inline.h>
 #include <linux/vmacache.h>
 #include <linux/nsproxy.h>
 #include <linux/capability.h>
@@ -96,6 +97,7 @@
 #include <linux/kasan.h>
 #include <linux/scs.h>
 #include <linux/io_uring.h>
+#include <linux/cpufreq_times.h>
 
 #include <asm/pgalloc.h>
 #include <linux/uaccess.h>
@@ -108,6 +110,8 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/task.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/sched.h>
 /*
  * Minimum number of threads to boot the kernel
  */
@@ -118,6 +122,8 @@
  */
 #define MAX_THREADS FUTEX_TID_MASK
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(task_newtask);
+
 /*
  * Protected counters by write_lock_irq(&tasklist_lock)
  */
@@ -138,6 +144,7 @@
 DEFINE_PER_CPU(unsigned long, process_counts) = 0;
 
 __cacheline_aligned DEFINE_RWLOCK(tasklist_lock);  /* outer */
+EXPORT_SYMBOL_GPL(tasklist_lock);
 
 #ifdef CONFIG_PROVE_RCU
 int lockdep_tasklist_lock_is_held(void)
@@ -225,15 +232,17 @@
 		if (!s)
 			continue;
 
-		/* Clear the KASAN shadow of the stack. */
-		kasan_unpoison_shadow(s->addr, THREAD_SIZE);
+		/* Reset stack metadata. */
+		kasan_unpoison_range(s->addr, THREAD_SIZE);
+
+		stack = kasan_reset_tag(s->addr);
 
 		/* Clear stale pointers from reused stack. */
-		memset(s->addr, 0, THREAD_SIZE);
+		memset(stack, 0, THREAD_SIZE);
 
 		tsk->stack_vm_area = s;
-		tsk->stack = s->addr;
-		return s->addr;
+		tsk->stack = stack;
+		return stack;
 	}
 
 	/*
@@ -253,6 +262,7 @@
 	 * so cache the vm_struct.
 	 */
 	if (stack) {
+		stack = kasan_reset_tag(stack);
 		tsk->stack_vm_area = find_vm_area(stack);
 		tsk->stack = stack;
 	}
@@ -363,14 +373,16 @@
 		 * will be reinitialized.
 		 */
 		*new = data_race(*orig);
-		INIT_LIST_HEAD(&new->anon_vma_chain);
+		INIT_VMA(new);
 		new->vm_next = new->vm_prev = NULL;
+		dup_anon_vma_name(orig, new);
 	}
 	return new;
 }
 
 void vm_area_free(struct vm_area_struct *vma)
 {
+	free_anon_vma_name(vma);
 	kmem_cache_free(vm_area_cachep, vma);
 }
 
@@ -437,6 +449,7 @@
 	if (refcount_dec_and_test(&tsk->stack_refcount))
 		release_task_stack(tsk);
 }
+EXPORT_SYMBOL_GPL(put_task_stack);
 #endif
 
 void free_task(struct task_struct *tsk)
@@ -444,8 +457,10 @@
 #ifdef CONFIG_SECCOMP
 	WARN_ON_ONCE(tsk->seccomp.filter);
 #endif
+	cpufreq_task_times_exit(tsk);
 	scs_release(tsk);
 
+	trace_android_vh_free_task(tsk);
 #ifndef CONFIG_THREAD_INFO_IN_TASK
 	/*
 	 * The task is finally done with both the stack and thread_info,
@@ -472,7 +487,7 @@
 static __latent_entropy int dup_mmap(struct mm_struct *mm,
 					struct mm_struct *oldmm)
 {
-	struct vm_area_struct *mpnt, *tmp, *prev, **pprev;
+	struct vm_area_struct *mpnt, *tmp, *prev, **pprev, *last = NULL;
 	struct rb_node **rb_link, *rb_parent;
 	int retval;
 	unsigned long charge;
@@ -592,8 +607,18 @@
 		rb_parent = &tmp->vm_rb;
 
 		mm->map_count++;
-		if (!(tmp->vm_flags & VM_WIPEONFORK))
+		if (!(tmp->vm_flags & VM_WIPEONFORK)) {
+			if (IS_ENABLED(CONFIG_SPECULATIVE_PAGE_FAULT)) {
+				/*
+				 * Mark this VMA as changing to prevent the
+				 * speculative page fault hanlder to process
+				 * it until the TLB are flushed below.
+				 */
+				last = mpnt;
+				vm_write_begin(mpnt);
+			}
 			retval = copy_page_range(tmp, mpnt);
+		}
 
 		if (tmp->vm_ops && tmp->vm_ops->open)
 			tmp->vm_ops->open(tmp);
@@ -606,6 +631,22 @@
 out:
 	mmap_write_unlock(mm);
 	flush_tlb_mm(oldmm);
+
+	if (IS_ENABLED(CONFIG_SPECULATIVE_PAGE_FAULT)) {
+		/*
+		 * Since the TLB has been flush, we can safely unmark the
+		 * copied VMAs and allows the speculative page fault handler to
+		 * process them again.
+		 * Walk back the VMA list from the last marked VMA.
+		 */
+		for (; last; last = last->vm_prev) {
+			if (last->vm_flags & VM_DONTCOPY)
+				continue;
+			if (!(last->vm_flags & VM_WIPEONFORK))
+				vm_write_end(last);
+		}
+	}
+
 	mmap_write_unlock(oldmm);
 	dup_userfaultfd_complete(&uf);
 fail_uprobe_end:
@@ -955,6 +996,12 @@
 #ifdef CONFIG_MEMCG
 	tsk->active_memcg = NULL;
 #endif
+
+#ifdef CONFIG_ANDROID_VENDOR_OEM_DATA
+	memset(&tsk->android_vendor_data1, 0, sizeof(tsk->android_vendor_data1));
+	memset(&tsk->android_oem_data1, 0, sizeof(tsk->android_oem_data1));
+#endif
+	trace_android_vh_dup_task_struct(tsk, orig);
 	return tsk;
 
 free_stack:
@@ -1024,6 +1071,9 @@
 	mm->mmap = NULL;
 	mm->mm_rb = RB_ROOT;
 	mm->vmacache_seqnum = 0;
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	rwlock_init(&mm->mm_rb_lock);
+#endif
 	atomic_set(&mm->mm_users, 1);
 	atomic_set(&mm->mm_count, 1);
 	seqcount_init(&mm->write_protect_seq);
@@ -1043,7 +1093,8 @@
 	mm_init_owner(mm, p);
 	mm_init_pasid(mm);
 	RCU_INIT_POINTER(mm->exe_file, NULL);
-	mmu_notifier_subscriptions_init(mm);
+	if (!mmu_notifier_subscriptions_init(mm))
+		goto fail_nopgd;
 	init_tlb_flush_pending(mm);
 #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS
 	mm->pmd_huge_pte = NULL;
@@ -1066,6 +1117,7 @@
 		goto fail_nocontext;
 
 	mm->user_ns = get_user_ns(user_ns);
+	lru_gen_init_mm(mm);
 	return mm;
 
 fail_nocontext:
@@ -1108,6 +1160,7 @@
 	}
 	if (mm->binfmt)
 		module_put(mm->binfmt->module);
+	lru_gen_del_mm(mm);
 	mmdrop(mm);
 }
 
@@ -1118,8 +1171,10 @@
 {
 	might_sleep();
 
-	if (atomic_dec_and_test(&mm->mm_users))
+	if (atomic_dec_and_test(&mm->mm_users)) {
+		trace_android_vh_mmput(NULL);
 		__mmput(mm);
+	}
 }
 EXPORT_SYMBOL_GPL(mmput);
 
@@ -1970,6 +2025,8 @@
 		siginitsetinv(&p->blocked, sigmask(SIGKILL)|sigmask(SIGSTOP));
 	}
 
+	cpufreq_task_times_init(p);
+
 	/*
 	 * This _must_ happen before we call free_task(), i.e. before we jump
 	 * to any of the bad_fork_* labels. This is to avoid freeing
@@ -2225,6 +2282,17 @@
 		goto bad_fork_put_pidfd;
 
 	/*
+	 * Now that the cgroups are pinned, re-clone the parent cgroup and put
+	 * the new task on the correct runqueue. All this *before* the task
+	 * becomes visible.
+	 *
+	 * This isn't part of ->can_fork() because while the re-cloning is
+	 * cgroup specific, it unconditionally needs to place the task on a
+	 * runqueue.
+	 */
+	sched_cgroup_fork(p, args);
+
+	/*
 	 * From this point on we must avoid any synchronous user-space
 	 * communication until we take the tasklist-lock. In particular, we do
 	 * not want user-space to be able to predict the process start-time by
@@ -2333,7 +2401,7 @@
 		fd_install(pidfd, pidfile);
 
 	proc_fork_connector(p);
-	sched_post_fork(p, args);
+	sched_post_fork(p);
 	cgroup_post_fork(p, args);
 	perf_event_fork(p);
 
@@ -2509,6 +2577,8 @@
 	if (IS_ERR(p))
 		return PTR_ERR(p);
 
+	cpufreq_task_times_alloc(p);
+
 	/*
 	 * Do this prior waking up the new thread - the thread pointer
 	 * might get invalid after that point, if the thread exits quickly.
@@ -2527,6 +2597,13 @@
 		get_task_struct(p);
 	}
 
+	if (IS_ENABLED(CONFIG_LRU_GEN) && !(clone_flags & CLONE_VM)) {
+		/* lock the task to synchronize with memcg migration */
+		task_lock(p);
+		lru_gen_add_mm(p->mm);
+		task_unlock(p);
+	}
+
 	wake_up_new_task(p);
 
 	/* forking complete and child started to run, tell ptracer */
diff --git a/kernel/freezer.c b/kernel/freezer.c
index dc520f0..203bf9c 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -11,6 +11,10 @@
 #include <linux/syscalls.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
+#include <linux/mmu_context.h>
+
+#undef CREATE_TRACE_POINT
+#include <trace/hooks/cgroup.h>
 
 /* total number of freezing conditions in effect */
 atomic_t system_freezing_cnt = ATOMIC_INIT(0);
@@ -70,6 +74,7 @@
 		if (!freezing(current) ||
 		    (check_kthr_stop && kthread_should_stop()))
 			current->flags &= ~PF_FROZEN;
+		trace_android_rvh_refrigerator(pm_nosig_freezing);
 		spin_unlock_irq(&freezer_lock);
 
 		if (!(current->flags & PF_FROZEN))
@@ -146,9 +151,16 @@
 void __thaw_task(struct task_struct *p)
 {
 	unsigned long flags;
+	const struct cpumask *mask = task_cpu_possible_mask(p);
 
 	spin_lock_irqsave(&freezer_lock, flags);
-	if (frozen(p))
+	/*
+	 * Wake up frozen tasks. On asymmetric systems where tasks cannot
+	 * run on all CPUs, ttwu() may have deferred a wakeup generated
+	 * before thaw_secondary_cpus() had completed so we generate
+	 * additional wakeups here for tasks in the PF_FREEZER_SKIP state.
+	 */
+	if (frozen(p) || (frozen_or_skipped(p) && mask != cpu_possible_mask))
 		wake_up_process(p);
 	spin_unlock_irqrestore(&freezer_lock, flags);
 }
diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index cde0ca8..d897041 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -43,6 +43,7 @@
 #include <asm/futex.h>
 
 #include "../locking/rtmutex_common.h"
+#include <trace/hooks/futex.h>
 
 /*
  * READ this before attempting to hack on futexes!
@@ -2235,6 +2236,7 @@
 static inline void __queue_me(struct futex_q *q, struct futex_hash_bucket *hb)
 {
 	int prio;
+	bool already_on_hb = false;
 
 	/*
 	 * The priority used to register this element is
@@ -2247,7 +2249,9 @@
 	prio = min(current->normal_prio, MAX_RT_PRIO);
 
 	plist_node_init(&q->list, prio);
-	plist_add(&q->list, &hb->chain);
+	trace_android_vh_alter_futex_plist_add(&q->list, &hb->chain, &already_on_hb);
+	if (!already_on_hb)
+		plist_add(&q->list, &hb->chain);
 	q->task = current;
 }
 
diff --git a/kernel/gki_module.c b/kernel/gki_module.c
new file mode 100644
index 0000000..24651df
--- /dev/null
+++ b/kernel/gki_module.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ * Author: ramjiyani@google.com (Ramji Jiyani)
+ */
+
+#include <linux/bsearch.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/printk.h>
+#include <linux/string.h>
+
+/*
+ * Build time generated header files
+ *
+ * gki_module_exported.h -- Symbols protected from _export_ by unsigned modules
+ * gki_module_protected.h -- Symbols protected from _access_ by unsigned modules
+ */
+#include "gki_module_protected.h"
+#include "gki_module_exported.h"
+
+#define MAX_STRCMP_LEN (max(MAX_PROTECTED_NAME_LEN, MAX_EXPORTED_NAME_LEN))
+
+/* bsearch() comparision callback */
+static int cmp_name(const void *sym, const void *protected_sym)
+{
+	return strncmp(sym, protected_sym, MAX_STRCMP_LEN);
+}
+
+/**
+ * gki_is_module_protected_symbol - Is a symbol protected from unsigned module?
+ *
+ * @name:	Symbol being checked against protection from unsigned module
+ */
+bool gki_is_module_protected_symbol(const char *name)
+{
+	return bsearch(name, gki_protected_symbols, NO_OF_PROTECTED_SYMBOLS,
+		       MAX_PROTECTED_NAME_LEN, cmp_name) != NULL;
+}
+
+/**
+ * gki_is_module_exported_symbol - Is a symbol exported from a GKI module?
+ *
+ * @name:	Symbol being checked against exported symbols from GKI modules
+ */
+bool gki_is_module_exported_symbol(const char *name)
+{
+	return bsearch(name, gki_exported_symbols, NO_OF_EXPORTED_SYMBOLS,
+		       MAX_EXPORTED_NAME_LEN, cmp_name) != NULL;
+}
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 396ebae..3911b0e 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -23,6 +23,8 @@
 #include <linux/sched/sysctl.h>
 
 #include <trace/events/sched.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/hung_task.h>
 
 /*
  * The number of tasks checked:
@@ -92,8 +94,8 @@
 	 * Ensure the task is not frozen.
 	 * Also, skip vfork and any other user process that freezer should skip.
 	 */
-	if (unlikely(t->flags & (PF_FROZEN | PF_FREEZER_SKIP)))
-	    return;
+	if (unlikely(frozen_or_skipped(t)))
+		return;
 
 	/*
 	 * When a freshly created task is scheduled once, changes its state to
@@ -177,6 +179,7 @@
 	int max_count = sysctl_hung_task_check_count;
 	unsigned long last_break = jiffies;
 	struct task_struct *g, *t;
+	bool need_check = true;
 
 	/*
 	 * If the system crashed already then all bets are off,
@@ -195,10 +198,13 @@
 				goto unlock;
 			last_break = jiffies;
 		}
-		/* use "==" to skip the TASK_KILLABLE tasks waiting on NFS */
-		if (t->state == TASK_UNINTERRUPTIBLE)
-			check_hung_task(t, timeout);
+		trace_android_vh_check_uninterruptible_tasks(t, timeout, &need_check);
+		if (need_check)
+			/* use "==" to skip the TASK_KILLABLE tasks waiting on NFS */
+			if (t->state == TASK_UNINTERRUPTIBLE)
+				check_hung_task(t, timeout);
 	}
+	trace_android_vh_check_uninterruptible_tasks_dn(NULL);
  unlock:
 	rcu_read_unlock();
 	if (hung_task_show_lock)
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 0f2a44f..1bd144e 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -110,6 +110,9 @@
 config GENERIC_IRQ_RESERVATION_MODE
 	bool
 
+config ARCH_WANTS_IRQ_RAW
+	bool
+
 # Support forced irq threading
 config IRQ_FORCED_THREADING
        bool
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index e7d2842..afef871 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -14,6 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 #include <linux/irqdomain.h>
+#include <linux/wakeup_reason.h>
 
 #include <trace/events/irq.h>
 
@@ -510,8 +511,22 @@
 	 * If the interrupt is not in progress and is not an armed
 	 * wakeup interrupt, proceed.
 	 */
-	if (!irqd_has_set(&desc->irq_data, mask))
+	if (!irqd_has_set(&desc->irq_data, mask)) {
+#ifdef CONFIG_PM_SLEEP
+		if (unlikely(desc->no_suspend_depth &&
+			     irqd_is_wakeup_set(&desc->irq_data))) {
+			unsigned int irq = irq_desc_get_irq(desc);
+			const char *name = "(unnamed)";
+
+			if (desc->action && desc->action->name)
+				name = desc->action->name;
+
+			log_abnormal_wakeup_reason("misconfigured IRQ %u %s",
+						   irq, name);
+		}
+#endif
 		return true;
+	}
 
 	/*
 	 * If the interrupt is an armed wakeup source, mark it pending
@@ -1110,7 +1125,8 @@
 }
 EXPORT_SYMBOL_GPL(irq_set_chip_and_handler_name);
 
-void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
+void __irq_modify_status(unsigned int irq, unsigned long clr,
+			 unsigned long set, unsigned long mask)
 {
 	unsigned long flags, trigger, tmp;
 	struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
@@ -1124,7 +1140,9 @@
 	 */
 	WARN_ON_ONCE(!desc->depth && (set & _IRQ_NOAUTOEN));
 
-	irq_settings_clr_and_set(desc, clr, set);
+	/* Warn when trying to clear or set a bit disallowed by the mask */
+	WARN_ON((clr | set) & ~mask);
+	__irq_settings_clr_and_set(desc, clr, set, mask);
 
 	trigger = irqd_get_trigger_type(&desc->irq_data);
 
@@ -1147,6 +1165,11 @@
 
 	irq_put_desc_unlock(desc, flags);
 }
+
+void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
+{
+	__irq_modify_status(irq, clr, set, _IRQF_MODIFY_MASK);
+}
 EXPORT_SYMBOL_GPL(irq_modify_status);
 
 /**
diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c
index 02236b1..cf8d4f75 100644
--- a/kernel/irq/cpuhotplug.c
+++ b/kernel/irq/cpuhotplug.c
@@ -42,7 +42,7 @@
 		 * If this happens then there was a missed IRQ fixup at some
 		 * point. Warn about it and enforce fixup.
 		 */
-		pr_warn("Eff. affinity %*pbl of IRQ %u contains only offline CPUs after offlining CPU %u\n",
+		pr_debug("Eff. affinity %*pbl of IRQ %u contains only offline CPUs after offlining CPU %u\n",
 			cpumask_pr_args(m), d->irq, cpu);
 		return true;
 	}
@@ -166,7 +166,7 @@
 		raw_spin_unlock(&desc->lock);
 
 		if (affinity_broken) {
-			pr_warn_ratelimited("IRQ %u: no longer affine to CPU%u\n",
+			pr_debug_ratelimited("IRQ %u: no longer affine to CPU%u\n",
 					    irq, smp_processor_id());
 		}
 	}
diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c
index e4cff35..f53475d 100644
--- a/kernel/irq/debugfs.c
+++ b/kernel/irq/debugfs.c
@@ -140,6 +140,7 @@
 	BIT_MASK_DESCR(_IRQ_IS_POLLED),
 	BIT_MASK_DESCR(_IRQ_DISABLE_UNLAZY),
 	BIT_MASK_DESCR(_IRQ_HIDDEN),
+	BIT_MASK_DESCR(_IRQ_RAW),
 };
 
 static const struct irq_bit_descr irqdesc_istates[] = {
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index 4195e7a..5e7b66e 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -200,6 +200,7 @@
 	irq_gc_unlock(gc);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(irq_gc_set_wake);
 
 static u32 irq_readl_be(void __iomem *addr)
 {
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 6c009a0..67d73af 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -672,10 +672,9 @@
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);
 	unsigned int irq = hwirq;
+	struct irq_desc *desc;
 	int ret = 0;
 
-	irq_enter();
-
 #ifdef CONFIG_IRQ_DOMAIN
 	if (lookup)
 		irq = irq_find_mapping(domain, hwirq);
@@ -685,14 +684,22 @@
 	 * Some hardware gives randomly wrong interrupts.  Rather
 	 * than crashing, do something sensible.
 	 */
-	if (unlikely(!irq || irq >= nr_irqs)) {
+	if (unlikely(!irq || irq >= nr_irqs || !(desc = irq_to_desc(irq)))) {
 		ack_bad_irq(irq);
 		ret = -EINVAL;
-	} else {
-		generic_handle_irq(irq);
+		goto out;
 	}
 
-	irq_exit();
+	if (IS_ENABLED(CONFIG_ARCH_WANTS_IRQ_RAW) &&
+	    unlikely(irq_settings_is_raw(desc))) {
+		generic_handle_irq_desc(desc);
+	} else {
+		irq_enter();
+		generic_handle_irq_desc(desc);
+		irq_exit();
+	}
+
+out:
 	set_irq_regs(old_regs);
 	return ret;
 }
@@ -974,6 +981,7 @@
 	return desc && desc->kstat_irqs ?
 			*per_cpu_ptr(desc->kstat_irqs, cpu) : 0;
 }
+EXPORT_SYMBOL_GPL(kstat_irqs_cpu);
 
 static bool irq_is_nmi(struct irq_desc *desc)
 {
@@ -1024,3 +1032,4 @@
 	rcu_read_unlock();
 	return sum;
 }
+EXPORT_SYMBOL_GPL(kstat_irqs_usr);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index fd3f7c1..30d41c4 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -94,7 +94,7 @@
 	fwid->type = type;
 	fwid->name = n;
 	fwid->pa = pa;
-	fwid->fwnode.ops = &irqchip_fwnode_ops;
+	fwnode_init(&fwid->fwnode, &irqchip_fwnode_ops);
 	return &fwid->fwnode;
 }
 EXPORT_SYMBOL_GPL(__irq_domain_alloc_fwnode);
@@ -188,6 +188,7 @@
 	}
 
 	fwnode_handle_get(fwnode);
+	fwnode_dev_initialized(fwnode, true);
 
 	/* Fill structure */
 	INIT_RADIX_TREE(&domain->revmap_tree, GFP_KERNEL);
@@ -268,6 +269,7 @@
 
 	pr_debug("Removed domain %s\n", domain->name);
 
+	fwnode_dev_initialized(domain->fwnode, false);
 	fwnode_handle_put(domain->fwnode);
 	if (domain->flags & IRQ_DOMAIN_NAME_ALLOCATED)
 		kfree(domain->name);
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0159925..87b2fbf 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -295,6 +295,7 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(irq_do_set_affinity);
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 static inline int irq_set_affinity_pending(struct irq_data *data,
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 72513ed..0459b69 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -157,9 +157,9 @@
 	/*
 	 * Do not allow disabling IRQs completely - it's a too easy
 	 * way to make the system unusable accidentally :-) At least
-	 * one online CPU still has to be targeted.
+	 * one active CPU still has to be targeted.
 	 */
-	if (!cpumask_intersects(new_value, cpu_online_mask)) {
+	if (!cpumask_intersects(new_value, cpu_active_mask)) {
 		/*
 		 * Special case for empty set - allow the architecture code
 		 * to set default SMP affinity.
diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h
index 403378b..0033d45 100644
--- a/kernel/irq/settings.h
+++ b/kernel/irq/settings.h
@@ -18,6 +18,7 @@
 	_IRQ_IS_POLLED		= IRQ_IS_POLLED,
 	_IRQ_DISABLE_UNLAZY	= IRQ_DISABLE_UNLAZY,
 	_IRQ_HIDDEN		= IRQ_HIDDEN,
+	_IRQ_RAW		= IRQ_RAW,
 	_IRQF_MODIFY_MASK	= IRQF_MODIFY_MASK,
 };
 
@@ -33,14 +34,21 @@
 #define IRQ_IS_POLLED		GOT_YOU_MORON
 #define IRQ_DISABLE_UNLAZY	GOT_YOU_MORON
 #define IRQ_HIDDEN		GOT_YOU_MORON
+#define IRQ_RAW			GOT_YOU_MORON
 #undef IRQF_MODIFY_MASK
 #define IRQF_MODIFY_MASK	GOT_YOU_MORON
 
 static inline void
+__irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set, u32 mask)
+{
+	desc->status_use_accessors &= ~(clr & mask);
+	desc->status_use_accessors |= (set & mask);
+}
+
+static inline void
 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
 {
-	desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
-	desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
+	__irq_settings_clr_and_set(desc, clr, set, _IRQF_MODIFY_MASK);
 }
 
 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
@@ -174,3 +182,16 @@
 {
 	return desc->status_use_accessors & _IRQ_HIDDEN;
 }
+
+static inline bool irq_settings_is_raw(struct irq_desc *desc)
+{
+	if (IS_ENABLED(CONFIG_ARCH_WANTS_IRQ_RAW))
+		return desc->status_use_accessors & _IRQ_RAW;
+
+	/*
+	 * Using IRQ_RAW on architectures that don't expect it is
+	 * likely to be wrong.
+	 */
+	WARN_ON_ONCE(1);
+	return false;
+}
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index eca8396..e0ed16d 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -111,7 +111,7 @@
 	return true;
 #endif /* CONFIG_SMP */
 }
-
+EXPORT_SYMBOL_GPL(irq_work_queue_on);
 
 bool irq_work_needs_cpu(void)
 {
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index fe9de06..9650511 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -161,6 +161,26 @@
 	return kallsyms_relative_base - 1 - kallsyms_offsets[idx];
 }
 
+#if defined(CONFIG_CFI_CLANG) && defined(CONFIG_LTO_CLANG_THIN)
+/*
+ * LLVM appends a hash to static function names when ThinLTO and CFI are
+ * both enabled, which causes confusion and potentially breaks user space
+ * tools, so we will strip the postfix from expanded symbol names.
+ */
+static inline char *cleanup_symbol_name(char *s)
+{
+	char *res = NULL;
+
+	res = strrchr(s, '$');
+	if (res)
+		*res = '\0';
+
+	return res;
+}
+#else
+static inline char *cleanup_symbol_name(char *s) { return NULL; }
+#endif
+
 /* Lookup the address for this symbol. Returns 0 if not found. */
 unsigned long kallsyms_lookup_name(const char *name)
 {
@@ -173,6 +193,9 @@
 
 		if (strcmp(namebuf, name) == 0)
 			return kallsyms_sym_address(i);
+
+		if (cleanup_symbol_name(namebuf) && strcmp(namebuf, name) == 0)
+			return kallsyms_sym_address(i);
 	}
 	return module_kallsyms_lookup_name(name);
 }
@@ -297,7 +320,9 @@
 				       namebuf, KSYM_NAME_LEN);
 		if (modname)
 			*modname = NULL;
-		return namebuf;
+
+		ret = namebuf;
+		goto found;
 	}
 
 	/* See if it's in a module or a BPF JITed image. */
@@ -310,11 +335,16 @@
 	if (!ret)
 		ret = ftrace_mod_address_lookup(addr, symbolsize,
 						offset, modname, namebuf);
+
+found:
+	cleanup_symbol_name(namebuf);
 	return ret;
 }
 
 int lookup_symbol_name(unsigned long addr, char *symname)
 {
+	int res;
+
 	symname[0] = '\0';
 	symname[KSYM_NAME_LEN - 1] = '\0';
 
@@ -325,15 +355,23 @@
 		/* Grab name */
 		kallsyms_expand_symbol(get_symbol_offset(pos),
 				       symname, KSYM_NAME_LEN);
-		return 0;
+		goto found;
 	}
 	/* See if it's in a module. */
-	return lookup_module_symbol_name(addr, symname);
+	res = lookup_module_symbol_name(addr, symname);
+	if (res)
+		return res;
+
+found:
+	cleanup_symbol_name(symname);
+	return 0;
 }
 
 int lookup_symbol_attrs(unsigned long addr, unsigned long *size,
 			unsigned long *offset, char *modname, char *name)
 {
+	int res;
+
 	name[0] = '\0';
 	name[KSYM_NAME_LEN - 1] = '\0';
 
@@ -345,10 +383,16 @@
 		kallsyms_expand_symbol(get_symbol_offset(pos),
 				       name, KSYM_NAME_LEN);
 		modname[0] = '\0';
-		return 0;
+		goto found;
 	}
 	/* See if it's in a module. */
-	return lookup_module_symbol_attrs(addr, size, offset, modname, name);
+	res = lookup_module_symbol_attrs(addr, size, offset, modname, name);
+	if (res)
+		return res;
+
+found:
+	cleanup_symbol_name(name);
+	return 0;
 }
 
 /* Look up a kernel symbol and return it in a text buffer. */
diff --git a/kernel/kexec_internal.h b/kernel/kexec_internal.h
index 49d4e3ab..74da140 100644
--- a/kernel/kexec_internal.h
+++ b/kernel/kexec_internal.h
@@ -13,8 +13,6 @@
 int kimage_is_destination_range(struct kimage *image,
 				unsigned long start, unsigned long end);
 
-int machine_kexec_post_load(struct kimage *image);
-
 /*
  * Whatever is used to serialize accesses to the kexec_crash_image needs to be
  * NMI safe, as __crash_kexec() can happen during nmi_panic(), so here we use a
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 508fe52..fcb69bb 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -476,6 +476,7 @@
 {
 	__kthread_bind_mask(p, mask, TASK_UNINTERRUPTIBLE);
 }
+EXPORT_SYMBOL_GPL(kthread_bind_mask);
 
 /**
  * kthread_bind - bind a just-created kthread to a cpu.
@@ -517,6 +518,7 @@
 	to_kthread(p)->cpu = cpu;
 	return p;
 }
+EXPORT_SYMBOL(kthread_create_on_cpu);
 
 void kthread_set_per_cpu(struct task_struct *k, int cpu)
 {
@@ -534,6 +536,7 @@
 	kthread->cpu = cpu;
 	set_bit(KTHREAD_IS_PER_CPU, &kthread->flags);
 }
+EXPORT_SYMBOL_GPL(kthread_set_per_cpu);
 
 bool kthread_is_per_cpu(struct task_struct *p)
 {
@@ -957,7 +960,13 @@
 	struct timer_list *timer = &dwork->timer;
 	struct kthread_work *work = &dwork->work;
 
-	WARN_ON_ONCE(timer->function != kthread_delayed_work_timer_fn);
+	/*
+	 * With CFI, timer->function can point to a jump table entry in a module,
+	 * which fails the comparison. Disable the warning if CFI and modules are
+	 * both enabled.
+	 */
+	if (!IS_ENABLED(CONFIG_CFI_CLANG) || !IS_ENABLED(CONFIG_MODULES))
+		WARN_ON_ONCE(timer->function != kthread_delayed_work_timer_fn);
 
 	/*
 	 * If @delay is 0, queue @dwork->work immediately.  This is for
@@ -1180,6 +1189,18 @@
 	}
 	ret = __kthread_cancel_work(work);
 
+	/*
+	 * Canceling could run in parallel from kthread_cancel_delayed_work_sync
+	 * and change work's canceling count as the spinlock is released and regain
+	 * in __kthread_cancel_work so we need to check the count again. Otherwise,
+	 * we might incorrectly queue the dwork and further cause
+	 * cancel_delayed_work_sync thread waiting for flush dwork endlessly.
+	 */
+	if (work->canceling) {
+		ret = false;
+		goto out;
+	}
+
 fast_queue:
 	__kthread_queue_delayed_work(worker, dwork, delay);
 out:
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 8606190..016f40c 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -36,6 +36,8 @@
 # include "mutex.h"
 #endif
 
+#include <trace/hooks/dtask.h>
+
 void
 __mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key)
 {
@@ -208,9 +210,12 @@
 __mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
 		   struct list_head *list)
 {
+	bool already_on_list = false;
 	debug_mutex_add_waiter(lock, waiter, current);
 
-	list_add_tail(&waiter->list, list);
+	trace_android_vh_alter_mutex_list_add(lock, waiter, list, &already_on_list);
+	if (!already_on_list)
+		list_add_tail(&waiter->list, list);
 	if (__mutex_waiter_is_first(lock, waiter))
 		__mutex_set_flag(lock, MUTEX_FLAG_WAITERS);
 }
@@ -1014,6 +1019,7 @@
 
 	waiter.task = current;
 
+	trace_android_vh_mutex_wait_start(lock);
 	set_current_state(state);
 	for (;;) {
 		bool first;
@@ -1065,6 +1071,7 @@
 	spin_lock(&lock->wait_lock);
 acquired:
 	__set_current_state(TASK_RUNNING);
+	trace_android_vh_mutex_wait_finish(lock);
 
 	if (ww_ctx) {
 		/*
@@ -1093,6 +1100,7 @@
 
 err:
 	__set_current_state(TASK_RUNNING);
+	trace_android_vh_mutex_wait_finish(lock);
 	__mutex_remove_waiter(lock, &waiter);
 err_early_kill:
 	spin_unlock(&lock->wait_lock);
@@ -1281,6 +1289,7 @@
 	if (owner & MUTEX_FLAG_HANDOFF)
 		__mutex_handoff(lock, next);
 
+	trace_android_vh_mutex_unlock_slowpath(lock);
 	spin_unlock(&lock->wait_lock);
 
 	wake_up_q(&wake_q);
diff --git a/kernel/locking/percpu-rwsem.c b/kernel/locking/percpu-rwsem.c
index 70a32a5..26121ef 100644
--- a/kernel/locking/percpu-rwsem.c
+++ b/kernel/locking/percpu-rwsem.c
@@ -7,6 +7,8 @@
 #include <linux/rcupdate.h>
 #include <linux/sched.h>
 #include <linux/sched/task.h>
+#include <linux/slab.h>
+#include <linux/sched/debug.h>
 #include <linux/errno.h>
 
 int __percpu_init_rwsem(struct percpu_rw_semaphore *sem,
@@ -162,7 +164,7 @@
 	__set_current_state(TASK_RUNNING);
 }
 
-bool __percpu_down_read(struct percpu_rw_semaphore *sem, bool try)
+bool __sched __percpu_down_read(struct percpu_rw_semaphore *sem, bool try)
 {
 	if (__percpu_down_read_trylock(sem))
 		return true;
@@ -211,7 +213,7 @@
 	return true;
 }
 
-void percpu_down_write(struct percpu_rw_semaphore *sem)
+void __sched percpu_down_write(struct percpu_rw_semaphore *sem)
 {
 	might_sleep();
 	rwsem_acquire(&sem->dep_map, 0, 0, _RET_IP_);
@@ -268,3 +270,34 @@
 	rcu_sync_exit(&sem->rss);
 }
 EXPORT_SYMBOL_GPL(percpu_up_write);
+
+static LIST_HEAD(destroy_list);
+static DEFINE_SPINLOCK(destroy_list_lock);
+
+static void destroy_list_workfn(struct work_struct *work)
+{
+	struct percpu_rw_semaphore *sem, *sem2;
+	LIST_HEAD(to_destroy);
+
+	spin_lock(&destroy_list_lock);
+	list_splice_init(&destroy_list, &to_destroy);
+	spin_unlock(&destroy_list_lock);
+
+	if (list_empty(&to_destroy))
+		return;
+
+	list_for_each_entry_safe(sem, sem2, &to_destroy, destroy_list_entry) {
+		percpu_free_rwsem(sem);
+		kfree(sem);
+	}
+}
+
+static DECLARE_WORK(destroy_list_work, destroy_list_workfn);
+
+void percpu_rwsem_async_destroy(struct percpu_rw_semaphore *sem)
+{
+	spin_lock(&destroy_list_lock);
+	list_add_tail(&sem->destroy_list_entry, &destroy_list);
+	spin_unlock(&destroy_list_lock);
+	schedule_work(&destroy_list_work);
+}
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index f00dd92..49c0fa17 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -19,6 +19,7 @@
 #include <linux/sched/wake_q.h>
 #include <linux/sched/debug.h>
 #include <linux/timer.h>
+#include <trace/hooks/dtask.h>
 
 #include "rtmutex_common.h"
 
@@ -1168,6 +1169,7 @@
 {
 	int ret = 0;
 
+	trace_android_vh_rtmutex_wait_start(lock);
 	for (;;) {
 		/* Try to acquire the lock: */
 		if (try_to_take_rt_mutex(lock, current, waiter))
@@ -1197,6 +1199,7 @@
 		set_current_state(state);
 	}
 
+	trace_android_vh_rtmutex_wait_finish(lock);
 	__set_current_state(TASK_RUNNING);
 	return ret;
 }
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index cc5cc88..2477b3f 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -29,6 +29,8 @@
 #include <linux/atomic.h>
 
 #include "lock_events.h"
+#include <trace/hooks/rwsem.h>
+#include <trace/hooks/dtask.h>
 
 /*
  * The least significant 3 bits of the owner value has the following
@@ -340,21 +342,10 @@
 #ifdef CONFIG_RWSEM_SPIN_ON_OWNER
 	osq_lock_init(&sem->osq);
 #endif
+	trace_android_vh_rwsem_init(sem);
 }
 EXPORT_SYMBOL(__init_rwsem);
 
-enum rwsem_waiter_type {
-	RWSEM_WAITING_FOR_WRITE,
-	RWSEM_WAITING_FOR_READ
-};
-
-struct rwsem_waiter {
-	struct list_head list;
-	struct task_struct *task;
-	enum rwsem_waiter_type type;
-	unsigned long timeout;
-	unsigned long last_rowner;
-};
 #define rwsem_first_waiter(sem) \
 	list_first_entry(&sem->wait_list, struct rwsem_waiter, list)
 
@@ -995,6 +986,7 @@
 	struct rwsem_waiter waiter;
 	DEFINE_WAKE_Q(wake_q);
 	bool wake = false;
+	bool already_on_list = false;
 
 	/*
 	 * Save the current read-owner of rwsem, if available, and the
@@ -1056,7 +1048,11 @@
 		}
 		adjustment += RWSEM_FLAG_WAITERS;
 	}
-	list_add_tail(&waiter.list, &sem->wait_list);
+	trace_android_vh_alter_rwsem_list_add(
+					&waiter,
+					sem, &already_on_list);
+	if (!already_on_list)
+		list_add_tail(&waiter.list, &sem->wait_list);
 
 	/* we're now waiting on the lock, but no longer actively locking */
 	if (adjustment)
@@ -1078,10 +1074,12 @@
 		    (adjustment & RWSEM_FLAG_WAITERS)))
 		rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q);
 
+	trace_android_vh_rwsem_wake(sem);
 	raw_spin_unlock_irq(&sem->wait_lock);
 	wake_up_q(&wake_q);
 
 	/* wait to be given the lock */
+	trace_android_vh_rwsem_read_wait_start(sem);
 	for (;;) {
 		set_current_state(state);
 		if (!smp_load_acquire(&waiter.task)) {
@@ -1101,6 +1099,7 @@
 	}
 
 	__set_current_state(TASK_RUNNING);
+	trace_android_vh_rwsem_read_wait_finish(sem);
 	lockevent_inc(rwsem_rlock);
 	return sem;
 
@@ -1112,6 +1111,7 @@
 	}
 	raw_spin_unlock_irq(&sem->wait_lock);
 	__set_current_state(TASK_RUNNING);
+	trace_android_vh_rwsem_read_wait_finish(sem);
 	lockevent_inc(rwsem_rlock_fail);
 	return ERR_PTR(-EINTR);
 }
@@ -1132,7 +1132,7 @@
 /*
  * Wait until we successfully acquire the write lock
  */
-static struct rw_semaphore *
+static struct rw_semaphore __sched *
 rwsem_down_write_slowpath(struct rw_semaphore *sem, int state)
 {
 	long count;
@@ -1141,6 +1141,7 @@
 	struct rwsem_waiter waiter;
 	struct rw_semaphore *ret = sem;
 	DEFINE_WAKE_Q(wake_q);
+	bool already_on_list = false;
 
 	/* do optimistic spinning and steal lock if possible */
 	if (rwsem_can_spin_on_owner(sem, RWSEM_WR_NONSPINNABLE) &&
@@ -1169,7 +1170,11 @@
 	/* account for this before adding a new element to the list */
 	wstate = list_empty(&sem->wait_list) ? WRITER_FIRST : WRITER_NOT_FIRST;
 
-	list_add_tail(&waiter.list, &sem->wait_list);
+	trace_android_vh_alter_rwsem_list_add(
+					&waiter,
+					sem, &already_on_list);
+	if (!already_on_list)
+		list_add_tail(&waiter.list, &sem->wait_list);
 
 	/* we're now waiting on the lock */
 	if (wstate == WRITER_NOT_FIRST) {
@@ -1205,7 +1210,9 @@
 	}
 
 wait:
+	trace_android_vh_rwsem_wake(sem);
 	/* wait until we successfully acquire the lock */
+	trace_android_vh_rwsem_write_wait_start(sem);
 	set_current_state(state);
 	for (;;) {
 		if (rwsem_try_write_lock(sem, wstate)) {
@@ -1265,6 +1272,7 @@
 		raw_spin_lock_irq(&sem->wait_lock);
 	}
 	__set_current_state(TASK_RUNNING);
+	trace_android_vh_rwsem_write_wait_finish(sem);
 	list_del(&waiter.list);
 	rwsem_disable_reader_optspin(sem, disable_rspin);
 	raw_spin_unlock_irq(&sem->wait_lock);
@@ -1274,6 +1282,7 @@
 
 out_nolock:
 	__set_current_state(TASK_RUNNING);
+	trace_android_vh_rwsem_write_wait_finish(sem);
 	raw_spin_lock_irq(&sem->wait_lock);
 	list_del(&waiter.list);
 
@@ -1304,6 +1313,7 @@
 
 	if (!list_empty(&sem->wait_list))
 		rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q);
+	trace_android_vh_rwsem_wake_finish(sem);
 
 	raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
 	wake_up_q(&wake_q);
@@ -1607,6 +1617,7 @@
 void up_write(struct rw_semaphore *sem)
 {
 	rwsem_release(&sem->dep_map, _RET_IP_);
+	trace_android_vh_rwsem_write_finished(sem);
 	__up_write(sem);
 }
 EXPORT_SYMBOL(up_write);
@@ -1617,6 +1628,7 @@
 void downgrade_write(struct rw_semaphore *sem)
 {
 	lock_downgrade(&sem->dep_map, _RET_IP_);
+	trace_android_vh_rwsem_write_finished(sem);
 	__downgrade_write(sem);
 }
 EXPORT_SYMBOL(downgrade_write);
diff --git a/kernel/module-internal.h b/kernel/module-internal.h
index 33783ab..9b04051 100644
--- a/kernel/module-internal.h
+++ b/kernel/module-internal.h
@@ -29,3 +29,17 @@
 };
 
 extern int mod_verify_sig(const void *mod, struct load_info *info);
+
+#ifdef CONFIG_MODULE_SIG_PROTECT
+extern bool gki_is_module_exported_symbol(const char *name);
+extern bool gki_is_module_protected_symbol(const char *name);
+#else
+static inline bool gki_is_module_exported_symbol(const char *name)
+{
+	return 0;
+}
+static inline bool gki_is_module_protected_symbol(const char *name)
+{
+	return 0;
+}
+#endif /* CONFIG_MODULE_SIG_PROTECT */
diff --git a/kernel/module.c b/kernel/module.c
index 72a5dcd..f6a0019 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -88,7 +88,6 @@
  * 3) module_addr_min/module_addr_max.
  * (delete and add uses RCU list operations). */
 DEFINE_MUTEX(module_mutex);
-EXPORT_SYMBOL_GPL(module_mutex);
 static LIST_HEAD(modules);
 
 /* Work queue for freeing init sections in success case */
@@ -272,7 +271,7 @@
 #endif
 }
 
-#ifdef CONFIG_MODULE_SIG
+#if defined(CONFIG_MODULE_SIG) && !defined(CONFIG_MODULE_SIG_PROTECT)
 static bool sig_enforce = IS_ENABLED(CONFIG_MODULE_SIG_FORCE);
 module_param(sig_enforce, bool_enable_only, 0644);
 
@@ -645,7 +644,6 @@
 	module_assert_mutex();
 	return find_module_all(name, strlen(name), false);
 }
-EXPORT_SYMBOL_GPL(find_module);
 
 #ifdef CONFIG_SMP
 
@@ -811,6 +809,7 @@
 
 MODINFO_ATTR(version);
 MODINFO_ATTR(srcversion);
+MODINFO_ATTR(scmversion);
 
 static char last_unloaded_module[MODULE_NAME_LEN+1];
 
@@ -1273,6 +1272,7 @@
 	&module_uevent,
 	&modinfo_version,
 	&modinfo_srcversion,
+	&modinfo_scmversion,
 	&modinfo_initstate,
 	&modinfo_coresize,
 	&modinfo_initsize,
@@ -2213,6 +2213,8 @@
 {
 }
 
+static void cfi_cleanup(struct module *mod);
+
 /* Free a module, remove from lists, etc. */
 static void free_module(struct module *mod)
 {
@@ -2252,6 +2254,9 @@
 	synchronize_rcu();
 	mutex_unlock(&module_mutex);
 
+	/* Clean up CFI for the module. */
+	cfi_cleanup(mod);
+
 	/* This may be empty, but that's OK */
 	module_arch_freeing_init(mod);
 	module_memfree(mod->init_layout.base);
@@ -2326,6 +2331,13 @@
 
 	for (i = 0; i < ARRAY_SIZE(arr); i++) {
 		for (s = arr[i].sym; s < arr[i].sym + arr[i].num; s++) {
+			if (!mod->sig_ok && gki_is_module_exported_symbol(
+						    kernel_symbol_name(s))) {
+				pr_err("%s: exporting protected symbol(%s)\n",
+				       mod->name, kernel_symbol_name(s));
+				return -EACCES;
+			}
+
 			if (find_symbol(kernel_symbol_name(s), &owner, NULL,
 					NULL, true, false)) {
 				pr_err("%s: exports duplicate symbol %s"
@@ -2392,6 +2404,13 @@
 			break;
 
 		case SHN_UNDEF:
+			if (!mod->sig_ok &&
+			    gki_is_module_protected_symbol(name)) {
+				pr_err("%s: is not an Android GKI signed module. It can not access protected symbol: %s\n",
+				       mod->name, name);
+				return -EACCES;
+			}
+
 			ksym = resolve_symbol_wait(mod, info, name);
 			/* Ok if resolved.  */
 			if (ksym && !IS_ERR(ksym)) {
@@ -2968,7 +2987,15 @@
 		return -EKEYREJECTED;
 	}
 
+/*
+ * ANDROID: GKI: Do not prevent loading of unsigned modules;
+ * as all modules except GKI modules are not signed.
+ */
+#ifndef CONFIG_MODULE_SIG_PROTECT
 	return security_locked_down(LOCKDOWN_MODULE_SIGNATURE);
+#else
+	return 0;
+#endif
 }
 #else /* !CONFIG_MODULE_SIG */
 static int module_sig_check(struct load_info *info, int flags)
@@ -3947,6 +3974,8 @@
 	return 0;
 }
 
+static void cfi_init(struct module *mod);
+
 /* Allocate and load the module: note that size of section 0 is always
    zero, and we rely on this for optional sections. */
 static int load_module(struct load_info *info, const char __user *uargs,
@@ -4032,6 +4061,8 @@
 			       "kernel\n", mod->name);
 		add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK);
 	}
+#else
+	mod->sig_ok = 0;
 #endif
 
 	/* To avoid stressing percpu allocator, do this once we're unique. */
@@ -4074,6 +4105,9 @@
 
 	flush_module_icache(mod);
 
+	/* Setup CFI for the module. */
+	cfi_init(mod);
+
 	/* Now copy in args */
 	mod->args = strndup_user(uargs, ~0UL >> 1);
 	if (IS_ERR(mod->args)) {
@@ -4147,6 +4181,7 @@
 	synchronize_rcu();
 	kfree(mod->args);
  free_arch_cleanup:
+	cfi_cleanup(mod);
 	module_arch_cleanup(mod);
  free_modinfo:
 	free_modinfo(mod);
@@ -4235,6 +4270,11 @@
 	       && (str[2] == '\0' || str[2] == '.');
 }
 
+static inline int is_cfi_typeid_symbol(const char *str)
+{
+	return !strncmp(str, "__typeid__", 10);
+}
+
 static const char *kallsyms_symbol_name(struct mod_kallsyms *kallsyms, unsigned int symnum)
 {
 	return kallsyms->strtab + kallsyms->symtab[symnum].st_name;
@@ -4273,7 +4313,8 @@
 		/* We ignore unnamed symbols: they're uninformative
 		 * and inserted at a whim. */
 		if (*kallsyms_symbol_name(kallsyms, i) == '\0'
-		    || is_arm_mapping_symbol(kallsyms_symbol_name(kallsyms, i)))
+		    || is_arm_mapping_symbol(kallsyms_symbol_name(kallsyms, i))
+		    || is_cfi_typeid_symbol(kallsyms_symbol_name(kallsyms, i)))
 			continue;
 
 		if (thisval <= addr && thisval > bestval) {
@@ -4484,6 +4525,36 @@
 }
 #endif /* CONFIG_KALLSYMS */
 
+static void cfi_init(struct module *mod)
+{
+#ifdef CONFIG_CFI_CLANG
+	initcall_t *init;
+	exitcall_t *exit;
+
+	rcu_read_lock_sched();
+	mod->cfi_check = (cfi_check_fn)
+		find_kallsyms_symbol_value(mod, "__cfi_check");
+	init = (initcall_t *)
+		find_kallsyms_symbol_value(mod, "__cfi_jt_init_module");
+	exit = (exitcall_t *)
+		find_kallsyms_symbol_value(mod, "__cfi_jt_cleanup_module");
+	rcu_read_unlock_sched();
+
+	/* Fix init/exit functions to point to the CFI jump table */
+	if (init) mod->init = *init;
+	if (exit) mod->exit = *exit;
+
+	cfi_module_add(mod, module_addr_min);
+#endif
+}
+
+static void cfi_cleanup(struct module *mod)
+{
+#ifdef CONFIG_CFI_CLANG
+	cfi_module_remove(mod, module_addr_min);
+#endif
+}
+
 /* Maximum number of characters written by module_flags() */
 #define MODULE_FLAGS_BUF_SIZE (TAINT_FLAGS_COUNT + 4)
 
@@ -4735,6 +4806,23 @@
 	pr_cont("\n");
 }
 
+#ifdef CONFIG_ANDROID_DEBUG_SYMBOLS
+void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
+	void *data)
+{
+	struct module *module;
+
+	preempt_disable();
+	list_for_each_entry_rcu(module, &modules, list) {
+		if (fn(module->name, module->core_layout.base, data))
+			goto out;
+	}
+out:
+	preempt_enable();
+}
+EXPORT_SYMBOL_GPL(android_debug_for_each_module);
+#endif
+
 #ifdef CONFIG_MODVERSIONS
 /* Generate the signature for all relevant module structures here.
  * If these change, we don't want to try to parse the module. */
diff --git a/kernel/pid.c b/kernel/pid.c
index 4856818..468d048 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -45,6 +45,9 @@
 #include <net/sock.h>
 #include <uapi/linux/pidfd.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/sched.h>
+
 struct pid init_struct_pid = {
 	.count		= REFCOUNT_INIT(1),
 	.tasks		= {
@@ -421,6 +424,7 @@
 {
 	return find_task_by_pid_ns(vnr, task_active_pid_ns(current));
 }
+EXPORT_SYMBOL_GPL(find_task_by_vpid);
 
 struct task_struct *find_get_task_by_vpid(pid_t nr)
 {
@@ -601,6 +605,7 @@
 	else
 		fd = -EINVAL;
 
+	trace_android_vh_pidfd_open(p);
 	put_pid(p);
 	return fd;
 }
diff --git a/kernel/power/Makefile b/kernel/power/Makefile
index 5899260..9770575 100644
--- a/kernel/power/Makefile
+++ b/kernel/power/Makefile
@@ -17,4 +17,5 @@
 
 obj-$(CONFIG_MAGIC_SYSRQ)	+= poweroff.o
 
+obj-$(CONFIG_SUSPEND)		+= wakeup_reason.o
 obj-$(CONFIG_ENERGY_MODEL)	+= energy_model.o
diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c
index 334173f..c2c858c 100644
--- a/kernel/power/energy_model.c
+++ b/kernel/power/energy_model.c
@@ -52,6 +52,17 @@
 }
 DEFINE_SHOW_ATTRIBUTE(em_debug_cpus);
 
+static int em_debug_units_show(struct seq_file *s, void *unused)
+{
+	struct em_perf_domain *pd = s->private;
+	char *units = pd->milliwatts ? "milliWatts" : "bogoWatts";
+
+	seq_printf(s, "%s\n", units);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(em_debug_units);
+
 static void em_debug_create_pd(struct device *dev)
 {
 	struct dentry *d;
@@ -64,6 +75,8 @@
 		debugfs_create_file("cpus", 0444, d, dev->em_pd->cpus,
 				    &em_debug_cpus_fops);
 
+	debugfs_create_file("units", 0444, d, dev->em_pd, &em_debug_units_fops);
+
 	/* Create a sub-directory for each performance state */
 	for (i = 0; i < dev->em_pd->nr_perf_states; i++)
 		em_debug_create_ps(&dev->em_pd->table[i], d);
@@ -242,17 +255,24 @@
  * @cpus	: Pointer to cpumask_t, which in case of a CPU device is
  *		obligatory. It can be taken from i.e. 'policy->cpus'. For other
  *		type of devices this should be set to NULL.
+ * @milliwatts	: Flag indicating that the power values are in milliWatts or
+ *		in some other scale. It must be set properly.
  *
  * Create Energy Model tables for a performance domain using the callbacks
  * defined in cb.
  *
+ * The @milliwatts is important to set with correct value. Some kernel
+ * sub-systems might rely on this flag and check if all devices in the EM are
+ * using the same scale.
+ *
  * If multiple clients register the same performance domain, all but the first
  * registration will be ignored.
  *
  * Return 0 on success
  */
 int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
-				struct em_data_callback *cb, cpumask_t *cpus)
+				struct em_data_callback *cb, cpumask_t *cpus,
+				bool milliwatts)
 {
 	unsigned long cap, prev_cap = 0;
 	int cpu, ret;
@@ -305,6 +325,8 @@
 	if (ret)
 		goto unlock;
 
+	dev->em_pd->milliwatts = milliwatts;
+
 	em_debug_create_pd(dev);
 	dev_info(dev, "EM: created perf domain\n");
 
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 59a1b12..b6875eb 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -326,7 +326,7 @@
 
 	if (!in_suspend) {
 		events_check_enabled = false;
-		clear_free_pages();
+		clear_or_poison_free_pages();
 	}
 
 	platform_leave(platform_mode);
diff --git a/kernel/power/main.c b/kernel/power/main.c
index d6140ed..f985c3c 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -23,7 +23,7 @@
 
 void lock_system_sleep(void)
 {
-	current->flags |= PF_FREEZER_SKIP;
+	freezer_do_not_count();
 	mutex_lock(&system_transition_mutex);
 }
 EXPORT_SYMBOL_GPL(lock_system_sleep);
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 24f12d5..778bf43 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -106,7 +106,7 @@
 extern void free_basic_memory_bitmaps(void);
 extern int hibernate_preallocate_memory(void);
 
-extern void clear_free_pages(void);
+extern void clear_or_poison_free_pages(void);
 
 /**
  *	Auxiliary structure used for reading the snapshot image data and
diff --git a/kernel/power/process.c b/kernel/power/process.c
index b9faa363..7564fd3 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -23,6 +23,8 @@
 #include <trace/events/power.h>
 #include <linux/cpuset.h>
 
+#include <trace/hooks/power.h>
+
 /*
  * Timeout for stopping processes
  */
@@ -38,6 +40,7 @@
 	unsigned int elapsed_msecs;
 	bool wakeup = false;
 	int sleep_usecs = USEC_PER_MSEC;
+	bool todo_logging_on = false;
 
 	start = ktime_get_boottime();
 
@@ -85,26 +88,34 @@
 	elapsed = ktime_sub(end, start);
 	elapsed_msecs = ktime_to_ms(elapsed);
 
-	if (todo) {
+	if (wakeup) {
 		pr_cont("\n");
-		pr_err("Freezing of tasks %s after %d.%03d seconds "
-		       "(%d tasks refusing to freeze, wq_busy=%d):\n",
-		       wakeup ? "aborted" : "failed",
+		pr_err("Freezing of tasks aborted after %d.%03d seconds",
+		       elapsed_msecs / 1000, elapsed_msecs % 1000);
+	} else if (todo) {
+		pr_cont("\n");
+		pr_err("Freezing of tasks failed after %d.%03d seconds"
+		       " (%d tasks refusing to freeze, wq_busy=%d):\n",
 		       elapsed_msecs / 1000, elapsed_msecs % 1000,
 		       todo - wq_busy, wq_busy);
 
 		if (wq_busy)
 			show_workqueue_state();
 
-		if (!wakeup || pm_debug_messages_on) {
+		trace_android_vh_try_to_freeze_todo_logging(&todo_logging_on);
+		if (pm_debug_messages_on || todo_logging_on) {
 			read_lock(&tasklist_lock);
 			for_each_process_thread(g, p) {
 				if (p != current && !freezer_should_skip(p)
-				    && freezing(p) && !frozen(p))
+				    && freezing(p) && !frozen(p)) {
 					sched_show_task(p);
+					trace_android_vh_try_to_freeze_todo_unfrozen(p);
+				}
 			}
 			read_unlock(&tasklist_lock);
 		}
+
+		trace_android_vh_try_to_freeze_todo(todo, elapsed_msecs, wq_busy);
 	} else {
 		pr_cont("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
 			elapsed_msecs % 1000);
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index ec7e1e8..8da76f9 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -38,6 +38,9 @@
 #include <linux/uaccess.h>
 #include <linux/export.h>
 #include <trace/events/power.h>
+#undef CREATE_TRACE_POINT
+#include <trace/hooks/power.h>
+
 
 /*
  * locking rule: all changes to constraints or notifiers lists
@@ -546,6 +549,7 @@
 		req->type = 0;
 	}
 
+	trace_android_vh_freq_qos_add_request(qos, req, type, value, ret);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(freq_qos_add_request);
@@ -570,6 +574,7 @@
 		 "%s() called for unknown object\n", __func__))
 		return -EINVAL;
 
+	trace_android_vh_freq_qos_update_request(req, new_value);
 	if (req->pnode.prio == new_value)
 		return 0;
 
@@ -598,6 +603,7 @@
 		 "%s() called for unknown object\n", __func__))
 		return -EINVAL;
 
+	trace_android_vh_freq_qos_remove_request(req);
 	ret = freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
 	req->qos = NULL;
 	req->type = 0;
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index c1bdaae..6a1d97b 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1137,7 +1137,15 @@
 	pr_debug("Basic memory bitmaps freed\n");
 }
 
-void clear_free_pages(void)
+static void clear_or_poison_free_page(struct page *page)
+{
+	if (page_poisoning_enabled_static())
+		__kernel_poison_pages(page, 1);
+	else if (want_init_on_free())
+		clear_highpage(page);
+}
+
+void clear_or_poison_free_pages(void)
 {
 	struct memory_bitmap *bm = free_pages_map;
 	unsigned long pfn;
@@ -1145,12 +1153,12 @@
 	if (WARN_ON(!(free_pages_map)))
 		return;
 
-	if (IS_ENABLED(CONFIG_PAGE_POISONING_ZERO) || want_init_on_free()) {
+	if (page_poisoning_enabled() || want_init_on_free()) {
 		memory_bm_position_reset(bm);
 		pfn = memory_bm_next_pfn(bm);
 		while (pfn != BM_END_OF_MAP) {
 			if (pfn_valid(pfn))
-				clear_highpage(pfn_to_page(pfn));
+				clear_or_poison_free_page(pfn_to_page(pfn));
 
 			pfn = memory_bm_next_pfn(bm);
 		}
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 4aa4d5d3..e4c5dcf 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -30,6 +30,8 @@
 #include <trace/events/power.h>
 #include <linux/compiler.h>
 #include <linux/moduleparam.h>
+#include <linux/wakeup_reason.h>
+#include <trace/hooks/suspend.h>
 
 #include "power.h"
 
@@ -138,6 +140,7 @@
 			break;
 		}
 
+		clear_wakeup_reasons();
 		s2idle_enter();
 	}
 
@@ -357,6 +360,7 @@
 	if (!error)
 		return 0;
 
+	log_suspend_abort_reason("One or more tasks refusing to freeze");
 	suspend_stats.failed_freeze++;
 	dpm_save_failed_step(SUSPEND_FREEZE);
 	pm_notifier_call_chain(PM_POST_SUSPEND);
@@ -386,7 +390,7 @@
  */
 static int suspend_enter(suspend_state_t state, bool *wakeup)
 {
-	int error;
+	int error, last_dev;
 
 	error = platform_suspend_prepare(state);
 	if (error)
@@ -394,7 +398,11 @@
 
 	error = dpm_suspend_late(PMSG_SUSPEND);
 	if (error) {
+		last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1;
+		last_dev %= REC_FAILED_NUM;
 		pr_err("late suspend of devices failed\n");
+		log_suspend_abort_reason("late suspend of %s device failed",
+					 suspend_stats.failed_devs[last_dev]);
 		goto Platform_finish;
 	}
 	error = platform_suspend_prepare_late(state);
@@ -403,7 +411,11 @@
 
 	error = dpm_suspend_noirq(PMSG_SUSPEND);
 	if (error) {
+		last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1;
+		last_dev %= REC_FAILED_NUM;
 		pr_err("noirq suspend of devices failed\n");
+		log_suspend_abort_reason("noirq suspend of %s device failed",
+					 suspend_stats.failed_devs[last_dev]);
 		goto Platform_early_resume;
 	}
 	error = platform_suspend_prepare_noirq(state);
@@ -419,14 +431,15 @@
 	}
 
 	error = suspend_disable_secondary_cpus();
-	if (error || suspend_test(TEST_CPUS))
+	if (error || suspend_test(TEST_CPUS)) {
+		log_suspend_abort_reason("Disabling non-boot cpus failed");
 		goto Enable_cpus;
+	}
 
 	arch_suspend_disable_irqs();
 	BUG_ON(!irqs_disabled());
 
 	system_state = SYSTEM_SUSPEND;
-
 	error = syscore_suspend();
 	if (!error) {
 		*wakeup = pm_wakeup_pending();
@@ -436,6 +449,7 @@
 			error = suspend_ops->enter(state);
 			trace_suspend_resume(TPS("machine_suspend"),
 				state, false);
+			trace_android_vh_early_resume_begin(NULL);
 		} else if (*wakeup) {
 			error = -EBUSY;
 		}
@@ -491,6 +505,8 @@
 	error = dpm_suspend_start(PMSG_SUSPEND);
 	if (error) {
 		pr_err("Some devices failed to suspend, or early wake event detected\n");
+		log_suspend_abort_reason(
+				"Some devices failed to suspend, or early wake event detected");
 		goto Recover_platform;
 	}
 	suspend_test_finish("suspend devices");
@@ -502,6 +518,7 @@
 	} while (!error && !wakeup && platform_suspend_again(state));
 
  Resume_devices:
+	trace_android_vh_resume_begin(NULL);
 	suspend_test_start();
 	dpm_resume_end(PMSG_RESUME);
 	suspend_test_finish("resume devices");
@@ -512,6 +529,7 @@
  Close:
 	platform_resume_end(state);
 	pm_suspend_target_state = PM_SUSPEND_ON;
+	trace_android_vh_resume_end(NULL);
 	return error;
 
  Recover_platform:
diff --git a/kernel/power/wakeup_reason.c b/kernel/power/wakeup_reason.c
new file mode 100644
index 0000000..8fefaa3
--- /dev/null
+++ b/kernel/power/wakeup_reason.c
@@ -0,0 +1,438 @@
+/*
+ * kernel/power/wakeup_reason.c
+ *
+ * Logs the reasons which caused the kernel to resume from
+ * the suspend mode.
+ *
+ * Copyright (C) 2020 Google, Inc.
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/wakeup_reason.h>
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/notifier.h>
+#include <linux/suspend.h>
+#include <linux/slab.h>
+
+/*
+ * struct wakeup_irq_node - stores data and relationships for IRQs logged as
+ * either base or nested wakeup reasons during suspend/resume flow.
+ * @siblings - for membership on leaf or parent IRQ lists
+ * @irq      - the IRQ number
+ * @irq_name - the name associated with the IRQ, or a default if none
+ */
+struct wakeup_irq_node {
+	struct list_head siblings;
+	int irq;
+	const char *irq_name;
+};
+
+enum wakeup_reason_flag {
+	RESUME_NONE = 0,
+	RESUME_IRQ,
+	RESUME_ABORT,
+	RESUME_ABNORMAL,
+};
+
+static DEFINE_SPINLOCK(wakeup_reason_lock);
+
+static LIST_HEAD(leaf_irqs);   /* kept in ascending IRQ sorted order */
+static LIST_HEAD(parent_irqs); /* unordered */
+
+static struct kmem_cache *wakeup_irq_nodes_cache;
+
+static const char *default_irq_name = "(unnamed)";
+
+static struct kobject *kobj;
+
+static bool capture_reasons;
+static int wakeup_reason;
+static char non_irq_wake_reason[MAX_SUSPEND_ABORT_LEN];
+
+static ktime_t last_monotime; /* monotonic time before last suspend */
+static ktime_t curr_monotime; /* monotonic time after last suspend */
+static ktime_t last_stime; /* monotonic boottime offset before last suspend */
+static ktime_t curr_stime; /* monotonic boottime offset after last suspend */
+
+static void init_node(struct wakeup_irq_node *p, int irq)
+{
+	struct irq_desc *desc;
+
+	INIT_LIST_HEAD(&p->siblings);
+
+	p->irq = irq;
+	desc = irq_to_desc(irq);
+	if (desc && desc->action && desc->action->name)
+		p->irq_name = desc->action->name;
+	else
+		p->irq_name = default_irq_name;
+}
+
+static struct wakeup_irq_node *create_node(int irq)
+{
+	struct wakeup_irq_node *result;
+
+	result = kmem_cache_alloc(wakeup_irq_nodes_cache, GFP_ATOMIC);
+	if (unlikely(!result))
+		pr_warn("Failed to log wakeup IRQ %d\n", irq);
+	else
+		init_node(result, irq);
+
+	return result;
+}
+
+static void delete_list(struct list_head *head)
+{
+	struct wakeup_irq_node *n;
+
+	while (!list_empty(head)) {
+		n = list_first_entry(head, struct wakeup_irq_node, siblings);
+		list_del(&n->siblings);
+		kmem_cache_free(wakeup_irq_nodes_cache, n);
+	}
+}
+
+static bool add_sibling_node_sorted(struct list_head *head, int irq)
+{
+	struct wakeup_irq_node *n = NULL;
+	struct list_head *predecessor = head;
+
+	if (unlikely(WARN_ON(!head)))
+		return NULL;
+
+	if (!list_empty(head))
+		list_for_each_entry(n, head, siblings) {
+			if (n->irq < irq)
+				predecessor = &n->siblings;
+			else if (n->irq == irq)
+				return true;
+			else
+				break;
+		}
+
+	n = create_node(irq);
+	if (n) {
+		list_add(&n->siblings, predecessor);
+		return true;
+	}
+
+	return false;
+}
+
+static struct wakeup_irq_node *find_node_in_list(struct list_head *head,
+						 int irq)
+{
+	struct wakeup_irq_node *n;
+
+	if (unlikely(WARN_ON(!head)))
+		return NULL;
+
+	list_for_each_entry(n, head, siblings)
+		if (n->irq == irq)
+			return n;
+
+	return NULL;
+}
+
+void log_irq_wakeup_reason(int irq)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&wakeup_reason_lock, flags);
+	if (wakeup_reason == RESUME_ABNORMAL || wakeup_reason == RESUME_ABORT) {
+		spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+		return;
+	}
+
+	if (!capture_reasons) {
+		spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+		return;
+	}
+
+	if (find_node_in_list(&parent_irqs, irq) == NULL)
+		add_sibling_node_sorted(&leaf_irqs, irq);
+
+	wakeup_reason = RESUME_IRQ;
+	spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+void log_threaded_irq_wakeup_reason(int irq, int parent_irq)
+{
+	struct wakeup_irq_node *parent;
+	unsigned long flags;
+
+	/*
+	 * Intentionally unsynchronized.  Calls that come in after we have
+	 * resumed should have a fast exit path since there's no work to be
+	 * done, any any coherence issue that could cause a wrong value here is
+	 * both highly improbable - given the set/clear timing - and very low
+	 * impact (parent IRQ gets logged instead of the specific child).
+	 */
+	if (!capture_reasons)
+		return;
+
+	spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+	if (wakeup_reason == RESUME_ABNORMAL || wakeup_reason == RESUME_ABORT) {
+		spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+		return;
+	}
+
+	if (!capture_reasons || (find_node_in_list(&leaf_irqs, irq) != NULL)) {
+		spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+		return;
+	}
+
+	parent = find_node_in_list(&parent_irqs, parent_irq);
+	if (parent != NULL)
+		add_sibling_node_sorted(&leaf_irqs, irq);
+	else {
+		parent = find_node_in_list(&leaf_irqs, parent_irq);
+		if (parent != NULL) {
+			list_del_init(&parent->siblings);
+			list_add_tail(&parent->siblings, &parent_irqs);
+			add_sibling_node_sorted(&leaf_irqs, irq);
+		}
+	}
+
+	spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+EXPORT_SYMBOL_GPL(log_threaded_irq_wakeup_reason);
+
+static void __log_abort_or_abnormal_wake(bool abort, const char *fmt,
+					 va_list args)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+	/* Suspend abort or abnormal wake reason has already been logged. */
+	if (wakeup_reason != RESUME_NONE) {
+		spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+		return;
+	}
+
+	if (abort)
+		wakeup_reason = RESUME_ABORT;
+	else
+		wakeup_reason = RESUME_ABNORMAL;
+
+	vsnprintf(non_irq_wake_reason, MAX_SUSPEND_ABORT_LEN, fmt, args);
+
+	spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+void log_suspend_abort_reason(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	__log_abort_or_abnormal_wake(true, fmt, args);
+	va_end(args);
+}
+EXPORT_SYMBOL_GPL(log_suspend_abort_reason);
+
+void log_abnormal_wakeup_reason(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	__log_abort_or_abnormal_wake(false, fmt, args);
+	va_end(args);
+}
+EXPORT_SYMBOL_GPL(log_abnormal_wakeup_reason);
+
+void clear_wakeup_reasons(void)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+	delete_list(&leaf_irqs);
+	delete_list(&parent_irqs);
+	wakeup_reason = RESUME_NONE;
+	capture_reasons = true;
+
+	spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+static void print_wakeup_sources(void)
+{
+	struct wakeup_irq_node *n;
+	unsigned long flags;
+
+	spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+	capture_reasons = false;
+
+	if (wakeup_reason == RESUME_ABORT) {
+		pr_info("Abort: %s\n", non_irq_wake_reason);
+		spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+		return;
+	}
+
+	if (wakeup_reason == RESUME_IRQ && !list_empty(&leaf_irqs))
+		list_for_each_entry(n, &leaf_irqs, siblings)
+			pr_info("Resume caused by IRQ %d, %s\n", n->irq,
+				n->irq_name);
+	else if (wakeup_reason == RESUME_ABNORMAL)
+		pr_info("Resume caused by %s\n", non_irq_wake_reason);
+	else
+		pr_info("Resume cause unknown\n");
+
+	spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+static ssize_t last_resume_reason_show(struct kobject *kobj,
+				       struct kobj_attribute *attr, char *buf)
+{
+	ssize_t buf_offset = 0;
+	struct wakeup_irq_node *n;
+	unsigned long flags;
+
+	spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+	if (wakeup_reason == RESUME_ABORT) {
+		buf_offset = scnprintf(buf, PAGE_SIZE, "Abort: %s",
+				       non_irq_wake_reason);
+		spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+		return buf_offset;
+	}
+
+	if (wakeup_reason == RESUME_IRQ && !list_empty(&leaf_irqs))
+		list_for_each_entry(n, &leaf_irqs, siblings)
+			buf_offset += scnprintf(buf + buf_offset,
+						PAGE_SIZE - buf_offset,
+						"%d %s\n", n->irq, n->irq_name);
+	else if (wakeup_reason == RESUME_ABNORMAL)
+		buf_offset = scnprintf(buf, PAGE_SIZE, "-1 %s",
+				       non_irq_wake_reason);
+
+	spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+
+	return buf_offset;
+}
+
+static ssize_t last_suspend_time_show(struct kobject *kobj,
+			struct kobj_attribute *attr, char *buf)
+{
+	struct timespec64 sleep_time;
+	struct timespec64 total_time;
+	struct timespec64 suspend_resume_time;
+
+	/*
+	 * total_time is calculated from monotonic bootoffsets because
+	 * unlike CLOCK_MONOTONIC it include the time spent in suspend state.
+	 */
+	total_time = ktime_to_timespec64(ktime_sub(curr_stime, last_stime));
+
+	/*
+	 * suspend_resume_time is calculated as monotonic (CLOCK_MONOTONIC)
+	 * time interval before entering suspend and post suspend.
+	 */
+	suspend_resume_time =
+		ktime_to_timespec64(ktime_sub(curr_monotime, last_monotime));
+
+	/* sleep_time = total_time - suspend_resume_time */
+	sleep_time = timespec64_sub(total_time, suspend_resume_time);
+
+	/* Export suspend_resume_time and sleep_time in pair here. */
+	return sprintf(buf, "%llu.%09lu %llu.%09lu\n",
+		       (unsigned long long)suspend_resume_time.tv_sec,
+		       suspend_resume_time.tv_nsec,
+		       (unsigned long long)sleep_time.tv_sec,
+		       sleep_time.tv_nsec);
+}
+
+static struct kobj_attribute resume_reason = __ATTR_RO(last_resume_reason);
+static struct kobj_attribute suspend_time = __ATTR_RO(last_suspend_time);
+
+static struct attribute *attrs[] = {
+	&resume_reason.attr,
+	&suspend_time.attr,
+	NULL,
+};
+static struct attribute_group attr_group = {
+	.attrs = attrs,
+};
+
+/* Detects a suspend and clears all the previous wake up reasons*/
+static int wakeup_reason_pm_event(struct notifier_block *notifier,
+		unsigned long pm_event, void *unused)
+{
+	switch (pm_event) {
+	case PM_SUSPEND_PREPARE:
+		/* monotonic time since boot */
+		last_monotime = ktime_get();
+		/* monotonic time since boot including the time spent in suspend */
+		last_stime = ktime_get_boottime();
+		clear_wakeup_reasons();
+		break;
+	case PM_POST_SUSPEND:
+		/* monotonic time since boot */
+		curr_monotime = ktime_get();
+		/* monotonic time since boot including the time spent in suspend */
+		curr_stime = ktime_get_boottime();
+		print_wakeup_sources();
+		break;
+	default:
+		break;
+	}
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block wakeup_reason_pm_notifier_block = {
+	.notifier_call = wakeup_reason_pm_event,
+};
+
+static int __init wakeup_reason_init(void)
+{
+	if (register_pm_notifier(&wakeup_reason_pm_notifier_block)) {
+		pr_warn("[%s] failed to register PM notifier\n", __func__);
+		goto fail;
+	}
+
+	kobj = kobject_create_and_add("wakeup_reasons", kernel_kobj);
+	if (!kobj) {
+		pr_warn("[%s] failed to create a sysfs kobject\n", __func__);
+		goto fail_unregister_pm_notifier;
+	}
+
+	if (sysfs_create_group(kobj, &attr_group)) {
+		pr_warn("[%s] failed to create a sysfs group\n", __func__);
+		goto fail_kobject_put;
+	}
+
+	wakeup_irq_nodes_cache =
+		kmem_cache_create("wakeup_irq_node_cache",
+				  sizeof(struct wakeup_irq_node), 0, 0, NULL);
+	if (!wakeup_irq_nodes_cache)
+		goto fail_remove_group;
+
+	return 0;
+
+fail_remove_group:
+	sysfs_remove_group(kobj, &attr_group);
+fail_kobject_put:
+	kobject_put(kobj);
+fail_unregister_pm_notifier:
+	unregister_pm_notifier(&wakeup_reason_pm_notifier_block);
+fail:
+	return 1;
+}
+
+late_initcall(wakeup_reason_init);
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 17a310d..3a1af08 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -54,6 +54,9 @@
 #include <trace/events/initcall.h>
 #define CREATE_TRACE_POINTS
 #include <trace/events/printk.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/printk.h>
+#include <trace/hooks/logbuf.h>
 
 #include "printk_ringbuffer.h"
 #include "console_cmdline.h"
@@ -459,12 +462,14 @@
 {
 	return log_buf;
 }
+EXPORT_SYMBOL_GPL(log_buf_addr_get);
 
 /* Return log buffer size */
 u32 log_buf_len_get(void)
 {
 	return log_buf_len;
 }
+EXPORT_SYMBOL_GPL(log_buf_len_get);
 
 /*
  * Define how much of the log buffer we could take at maximum. The value
@@ -536,6 +541,8 @@
 	else
 		prb_final_commit(&e);
 
+	trace_android_vh_logbuf(prb, &r);
+
 	return (text_len + trunc_msg_len);
 }
 
@@ -1953,6 +1960,8 @@
 			} else {
 				prb_commit(&e);
 			}
+
+			trace_android_vh_logbuf_pr_cont(&r, text_len);
 			return text_len;
 		}
 	}
@@ -2326,6 +2335,12 @@
  */
 static int console_cpu_notify(unsigned int cpu)
 {
+	int flag = 0;
+
+	trace_android_vh_printk_hotplug(&flag);
+	if (flag)
+		return 0;
+
 	if (!cpuhp_tasks_frozen) {
 		/* If trylock fails, someone else is doing the printing */
 		if (console_trylock())
@@ -3108,6 +3123,7 @@
 
 	return r;
 }
+EXPORT_SYMBOL_GPL(printk_deferred);
 
 /*
  * printk rate limiting, lifted from the networking subsystem.
diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
index cd6e114..f2743f0 100644
--- a/kernel/rcu/Kconfig
+++ b/kernel/rcu/Kconfig
@@ -213,6 +213,20 @@
 
 	  Accept the default if unsure.
 
+config RCU_EXP_KTHREAD
+	bool "Perform RCU expedited work in a real-time kthread"
+	depends on RCU_BOOST && RCU_EXPERT
+	default !PREEMPT_RT && NR_CPUS <= 32
+	help
+	  Use this option to further reduce the latencies of expedited
+	  grace periods at the expense of being more disruptive.
+
+	  This option is disabled by default on PREEMPT_RT=y kernels which
+	  disable expedited grace periods after boot by unconditionally
+	  setting rcupdate.rcu_normal_after_boot=1.
+
+	  Accept the default if unsure.
+
 config RCU_NOCB_CPU
 	bool "Offload RCU callback processing from boot-selected CPUs"
 	depends on TREE_RCU
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index fcf95d1..7befcfa 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -524,7 +524,12 @@
 void rcu_fwd_progress_check(unsigned long j);
 void rcu_force_quiescent_state(void);
 extern struct workqueue_struct *rcu_gp_wq;
+#ifdef CONFIG_RCU_EXP_KTHREAD
+extern struct kthread_worker *rcu_exp_gp_kworker;
+extern struct kthread_worker *rcu_exp_par_gp_kworker;
+#else /* !CONFIG_RCU_EXP_KTHREAD */
 extern struct workqueue_struct *rcu_par_gp_wq;
+#endif /* CONFIG_RCU_EXP_KTHREAD */
 #endif /* #else #ifdef CONFIG_TINY_RCU */
 
 #ifdef CONFIG_RCU_NOCB_CPU
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 06bfe61..261a339 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2973,7 +2973,7 @@
 	head->func = func;
 	head->next = NULL;
 	local_irq_save(flags);
-	kasan_record_aux_stack(head);
+	kasan_record_aux_stack_noalloc(head);
 	rdp = this_cpu_ptr(&rcu_data);
 
 	/* Add the callback to our list. */
@@ -3532,6 +3532,7 @@
 		goto unlock_return;
 	}
 
+	kasan_record_aux_stack_noalloc(ptr);
 	success = kvfree_call_rcu_add_ptr_to_bulk(krcp, ptr);
 	if (!success) {
 		run_page_cache_worker(krcp);
@@ -4288,6 +4289,51 @@
 	return NOTIFY_OK;
 }
 
+#ifdef CONFIG_RCU_EXP_KTHREAD
+struct kthread_worker *rcu_exp_gp_kworker;
+struct kthread_worker *rcu_exp_par_gp_kworker;
+
+static void __init rcu_start_exp_gp_kworkers(void)
+{
+	const char *par_gp_kworker_name = "rcu_exp_par_gp_kthread_worker";
+	const char *gp_kworker_name = "rcu_exp_gp_kthread_worker";
+	struct sched_param param = { .sched_priority = kthread_prio };
+
+	rcu_exp_gp_kworker = kthread_create_worker(0, gp_kworker_name);
+	if (IS_ERR_OR_NULL(rcu_exp_gp_kworker)) {
+		pr_err("Failed to create %s!\n", gp_kworker_name);
+		return;
+	}
+
+	rcu_exp_par_gp_kworker = kthread_create_worker(0, par_gp_kworker_name);
+	if (IS_ERR_OR_NULL(rcu_exp_par_gp_kworker)) {
+		pr_err("Failed to create %s!\n", par_gp_kworker_name);
+		kthread_destroy_worker(rcu_exp_gp_kworker);
+		return;
+	}
+
+	sched_setscheduler_nocheck(rcu_exp_gp_kworker->task, SCHED_FIFO, &param);
+	sched_setscheduler_nocheck(rcu_exp_par_gp_kworker->task, SCHED_FIFO,
+				   &param);
+}
+
+static inline void rcu_alloc_par_gp_wq(void)
+{
+}
+#else /* !CONFIG_RCU_EXP_KTHREAD */
+struct workqueue_struct *rcu_par_gp_wq;
+
+static void __init rcu_start_exp_gp_kworkers(void)
+{
+}
+
+static inline void rcu_alloc_par_gp_wq(void)
+{
+	rcu_par_gp_wq = alloc_workqueue("rcu_par_gp", WQ_MEM_RECLAIM, 0);
+	WARN_ON(!rcu_par_gp_wq);
+}
+#endif /* CONFIG_RCU_EXP_KTHREAD */
+
 /*
  * Spawn the kthreads that handle RCU's grace periods.
  */
@@ -4333,6 +4379,8 @@
 	rcu_spawn_nocb_kthreads();
 	rcu_spawn_boost_kthreads();
 	rcu_spawn_core_kthreads();
+	/* Create kthread worker for expedited GPs */
+	rcu_start_exp_gp_kworkers();
 	return 0;
 }
 early_initcall(rcu_spawn_gp_kthread);
@@ -4555,7 +4603,6 @@
 }
 
 struct workqueue_struct *rcu_gp_wq;
-struct workqueue_struct *rcu_par_gp_wq;
 
 static void __init kfree_rcu_batch_init(void)
 {
@@ -4608,8 +4655,7 @@
 	/* Create workqueue for expedited GPs and for Tree SRCU. */
 	rcu_gp_wq = alloc_workqueue("rcu_gp", WQ_MEM_RECLAIM, 0);
 	WARN_ON(!rcu_gp_wq);
-	rcu_par_gp_wq = alloc_workqueue("rcu_par_gp", WQ_MEM_RECLAIM, 0);
-	WARN_ON(!rcu_par_gp_wq);
+	rcu_alloc_par_gp_wq();
 	srcu_init();
 
 	/* Fill in default value for rcutree.qovld boot parameter. */
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 6e8c777..d67adf71 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -10,6 +10,7 @@
  */
 
 #include <linux/cache.h>
+#include <linux/kthread.h>
 #include <linux/spinlock.h>
 #include <linux/rtmutex.h>
 #include <linux/threads.h>
@@ -23,7 +24,11 @@
 /* Communicate arguments to a workqueue handler. */
 struct rcu_exp_work {
 	unsigned long rew_s;
+#ifdef CONFIG_RCU_EXP_KTHREAD
+	struct kthread_work rew_work;
+#else
 	struct work_struct rew_work;
+#endif /* CONFIG_RCU_EXP_KTHREAD */
 };
 
 /* RCU's kthread states for tracing. */
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
index 07a284a..cb3b23e 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -334,15 +334,13 @@
  * Select the CPUs within the specified rcu_node that the upcoming
  * expedited grace period needs to wait for.
  */
-static void sync_rcu_exp_select_node_cpus(struct work_struct *wp)
+static void __sync_rcu_exp_select_node_cpus(struct rcu_exp_work *rewp)
 {
 	int cpu;
 	unsigned long flags;
 	unsigned long mask_ofl_test;
 	unsigned long mask_ofl_ipi;
 	int ret;
-	struct rcu_exp_work *rewp =
-		container_of(wp, struct rcu_exp_work, rew_work);
 	struct rcu_node *rnp = container_of(rewp, struct rcu_node, rew);
 
 	raw_spin_lock_irqsave_rcu_node(rnp, flags);
@@ -417,13 +415,119 @@
 		rcu_report_exp_cpu_mult(rnp, mask_ofl_test, false);
 }
 
+static void rcu_exp_sel_wait_wake(unsigned long s);
+
+#ifdef CONFIG_RCU_EXP_KTHREAD
+static void sync_rcu_exp_select_node_cpus(struct kthread_work *wp)
+{
+	struct rcu_exp_work *rewp =
+		container_of(wp, struct rcu_exp_work, rew_work);
+
+	__sync_rcu_exp_select_node_cpus(rewp);
+}
+
+static inline bool rcu_gp_par_worker_started(void)
+{
+	return !!READ_ONCE(rcu_exp_par_gp_kworker);
+}
+
+static inline void sync_rcu_exp_select_cpus_queue_work(struct rcu_node *rnp)
+{
+	kthread_init_work(&rnp->rew.rew_work, sync_rcu_exp_select_node_cpus);
+	/*
+	 * Use rcu_exp_par_gp_kworker, because flushing a work item from
+	 * another work item on the same kthread worker can result in
+	 * deadlock.
+	 */
+	kthread_queue_work(rcu_exp_par_gp_kworker, &rnp->rew.rew_work);
+}
+
+static inline void sync_rcu_exp_select_cpus_flush_work(struct rcu_node *rnp)
+{
+	kthread_flush_work(&rnp->rew.rew_work);
+}
+
+/*
+ * Work-queue handler to drive an expedited grace period forward.
+ */
+static void wait_rcu_exp_gp(struct kthread_work *wp)
+{
+	struct rcu_exp_work *rewp;
+
+	rewp = container_of(wp, struct rcu_exp_work, rew_work);
+	rcu_exp_sel_wait_wake(rewp->rew_s);
+}
+
+static inline void synchronize_rcu_expedited_queue_work(struct rcu_exp_work *rew)
+{
+	kthread_init_work(&rew->rew_work, wait_rcu_exp_gp);
+	kthread_queue_work(rcu_exp_gp_kworker, &rew->rew_work);
+}
+
+static inline void synchronize_rcu_expedited_destroy_work(struct rcu_exp_work *rew)
+{
+}
+#else /* !CONFIG_RCU_EXP_KTHREAD */
+static void sync_rcu_exp_select_node_cpus(struct work_struct *wp)
+{
+	struct rcu_exp_work *rewp =
+		container_of(wp, struct rcu_exp_work, rew_work);
+
+	__sync_rcu_exp_select_node_cpus(rewp);
+}
+
+static inline bool rcu_gp_par_worker_started(void)
+{
+	return !!READ_ONCE(rcu_par_gp_wq);
+}
+
+static inline void sync_rcu_exp_select_cpus_queue_work(struct rcu_node *rnp)
+{
+	int cpu = find_next_bit(&rnp->ffmask, BITS_PER_LONG, -1);
+
+	INIT_WORK(&rnp->rew.rew_work, sync_rcu_exp_select_node_cpus);
+	/* If all offline, queue the work on an unbound CPU. */
+	if (unlikely(cpu > rnp->grphi - rnp->grplo))
+		cpu = WORK_CPU_UNBOUND;
+	else
+		cpu += rnp->grplo;
+	queue_work_on(cpu, rcu_par_gp_wq, &rnp->rew.rew_work);
+}
+
+static inline void sync_rcu_exp_select_cpus_flush_work(struct rcu_node *rnp)
+{
+	flush_work(&rnp->rew.rew_work);
+}
+
+/*
+ * Work-queue handler to drive an expedited grace period forward.
+ */
+static void wait_rcu_exp_gp(struct work_struct *wp)
+{
+	struct rcu_exp_work *rewp;
+
+	rewp = container_of(wp, struct rcu_exp_work, rew_work);
+	rcu_exp_sel_wait_wake(rewp->rew_s);
+}
+
+static inline void synchronize_rcu_expedited_queue_work(struct rcu_exp_work *rew)
+{
+	INIT_WORK_ONSTACK(&rew->rew_work, wait_rcu_exp_gp);
+	queue_work(rcu_gp_wq, &rew->rew_work);
+}
+
+static inline void synchronize_rcu_expedited_destroy_work(struct rcu_exp_work *rew)
+{
+	destroy_work_on_stack(&rew->rew_work);
+}
+#endif /* CONFIG_RCU_EXP_KTHREAD */
+
 /*
  * Select the nodes that the upcoming expedited grace period needs
  * to wait for.
  */
 static void sync_rcu_exp_select_cpus(void)
 {
-	int cpu;
 	struct rcu_node *rnp;
 
 	trace_rcu_exp_grace_period(rcu_state.name, rcu_exp_gp_seq_endval(), TPS("reset"));
@@ -435,28 +539,21 @@
 		rnp->exp_need_flush = false;
 		if (!READ_ONCE(rnp->expmask))
 			continue; /* Avoid early boot non-existent wq. */
-		if (!READ_ONCE(rcu_par_gp_wq) ||
+		if (!rcu_gp_par_worker_started() ||
 		    rcu_scheduler_active != RCU_SCHEDULER_RUNNING ||
 		    rcu_is_last_leaf_node(rnp)) {
-			/* No workqueues yet or last leaf, do direct call. */
+			/* No worker started yet or last leaf, do direct call. */
 			sync_rcu_exp_select_node_cpus(&rnp->rew.rew_work);
 			continue;
 		}
-		INIT_WORK(&rnp->rew.rew_work, sync_rcu_exp_select_node_cpus);
-		cpu = find_next_bit(&rnp->ffmask, BITS_PER_LONG, -1);
-		/* If all offline, queue the work on an unbound CPU. */
-		if (unlikely(cpu > rnp->grphi - rnp->grplo))
-			cpu = WORK_CPU_UNBOUND;
-		else
-			cpu += rnp->grplo;
-		queue_work_on(cpu, rcu_par_gp_wq, &rnp->rew.rew_work);
+		sync_rcu_exp_select_cpus_queue_work(rnp);
 		rnp->exp_need_flush = true;
 	}
 
-	/* Wait for workqueue jobs (if any) to complete. */
+	/* Wait for jobs (if any) to complete. */
 	rcu_for_each_leaf_node(rnp)
 		if (rnp->exp_need_flush)
-			flush_work(&rnp->rew.rew_work);
+			sync_rcu_exp_select_cpus_flush_work(rnp);
 }
 
 /*
@@ -525,6 +622,7 @@
 		if (rcu_stall_is_suppressed())
 			continue;
 		panic_on_rcu_stall();
+		trace_rcu_stall_warning(rcu_state.name, TPS("ExpeditedStall"));
 		pr_err("INFO: %s detected expedited stalls on CPUs/tasks: {",
 		       rcu_state.name);
 		ndetected = 0;
@@ -623,17 +721,6 @@
 	rcu_exp_wait_wake(s);
 }
 
-/*
- * Work-queue handler to drive an expedited grace period forward.
- */
-static void wait_rcu_exp_gp(struct work_struct *wp)
-{
-	struct rcu_exp_work *rewp;
-
-	rewp = container_of(wp, struct rcu_exp_work, rew_work);
-	rcu_exp_sel_wait_wake(rewp->rew_s);
-}
-
 #ifdef CONFIG_PREEMPT_RCU
 
 /*
@@ -851,20 +938,19 @@
 	} else {
 		/* Marshall arguments & schedule the expedited grace period. */
 		rew.rew_s = s;
-		INIT_WORK_ONSTACK(&rew.rew_work, wait_rcu_exp_gp);
-		queue_work(rcu_gp_wq, &rew.rew_work);
+		synchronize_rcu_expedited_queue_work(&rew);
 	}
 
 	/* Wait for expedited grace period to complete. */
 	rnp = rcu_get_root();
 	wait_event(rnp->exp_wq[rcu_seq_ctr(s) & 0x3],
 		   sync_exp_work_done(s));
-	smp_mb(); /* Workqueue actions happen before return. */
+	smp_mb(); /* Work actions happen before return. */
 
 	/* Let the next expedited grace period start. */
 	mutex_unlock(&rcu_state.exp_mutex);
 
 	if (likely(!boottime))
-		destroy_work_on_stack(&rew.rew_work);
+		synchronize_rcu_expedited_destroy_work(&rew);
 }
 EXPORT_SYMBOL_GPL(synchronize_rcu_expedited);
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index f5ba074..39e8f78 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -541,7 +541,6 @@
 		/* Unboost if we were boosted. */
 		if (IS_ENABLED(CONFIG_RCU_BOOST) && drop_boost_mutex)
 			rt_mutex_futex_unlock(&rnp->boost_mtx);
-
 	} else {
 		local_irq_restore(flags);
 	}
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 251a9af..c3ae4b6 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -490,6 +490,7 @@
 	 * See Documentation/RCU/stallwarn.rst for info on how to debug
 	 * RCU CPU stall warnings.
 	 */
+	trace_rcu_stall_warning(rcu_state.name, TPS("StallDetected"));
 	pr_err("INFO: %s detected stalls on CPUs/tasks:\n", rcu_state.name);
 	rcu_for_each_leaf_node(rnp) {
 		raw_spin_lock_irqsave_rcu_node(rnp, flags);
@@ -559,6 +560,7 @@
 	 * See Documentation/RCU/stallwarn.rst for info on how to debug
 	 * RCU CPU stall warnings.
 	 */
+	trace_rcu_stall_warning(rcu_state.name, TPS("SelfDetected"));
 	pr_err("INFO: %s self-detected stall on CPU\n", rcu_state.name);
 	raw_spin_lock_irqsave_rcu_node(rdp->mynode, flags);
 	print_cpu_stall_info(smp_processor_id());
diff --git a/kernel/reboot.c b/kernel/reboot.c
index e297b35..c1df842 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -32,7 +32,9 @@
 #define DEFAULT_REBOOT_MODE
 #endif
 enum reboot_mode reboot_mode DEFAULT_REBOOT_MODE;
+EXPORT_SYMBOL_GPL(reboot_mode);
 enum reboot_mode panic_reboot_mode = REBOOT_UNDEFINED;
+EXPORT_SYMBOL_GPL(panic_reboot_mode);
 
 /*
  * This variable is used privately to keep track of whether or not
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 40f40f3..98f2a07 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -27,6 +27,9 @@
 #include "pelt.h"
 #include "smp.h"
 
+#include <trace/hooks/sched.h>
+#include <trace/hooks/dtask.h>
+
 /*
  * Export tracepoints that act as a bare tracehook (ie: have no trace event
  * associated with them) to allow external modules to probe them.
@@ -42,8 +45,18 @@
 EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_cfs_tp);
 EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_se_tp);
 EXPORT_TRACEPOINT_SYMBOL_GPL(sched_update_nr_running_tp);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_switch);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_waking);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_wakeup);
+#ifdef CONFIG_SCHEDSTATS
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_sleep);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_wait);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_iowait);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_blocked);
+#endif
 
 DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
+EXPORT_SYMBOL_GPL(runqueues);
 
 #ifdef CONFIG_SCHED_DEBUG
 /*
@@ -58,6 +71,7 @@
 const_debug unsigned int sysctl_sched_features =
 #include "features.h"
 	0;
+EXPORT_SYMBOL_GPL(sysctl_sched_features);
 #undef SCHED_FEAT
 #endif
 
@@ -198,6 +212,7 @@
 			cpu_relax();
 	}
 }
+EXPORT_SYMBOL_GPL(__task_rq_lock);
 
 /*
  * task_rq_lock - lock p->pi_lock and lock the rq @p resides on.
@@ -240,6 +255,7 @@
 			cpu_relax();
 	}
 }
+EXPORT_SYMBOL_GPL(task_rq_lock);
 
 /*
  * RQ-clock updating methods:
@@ -252,6 +268,7 @@
  * to sched_rt_avg_update. But I don't trust it...
  */
 	s64 __maybe_unused steal = 0, irq_delta = 0;
+	bool ret = false;
 
 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
 	irq_delta = irq_time_read(cpu_of(rq)) - rq->prev_irq_time;
@@ -296,7 +313,9 @@
 	if ((irq_delta + steal) && sched_feat(NONTASK_CAPACITY))
 		update_irq_load_avg(rq, irq_delta + steal);
 #endif
-	update_rq_clock_pelt(rq, delta);
+	trace_android_rvh_update_rq_clock_pelt(rq, delta, &ret);
+	if (!ret)
+		update_rq_clock_pelt(rq, delta);
 }
 
 void update_rq_clock(struct rq *rq)
@@ -320,6 +339,7 @@
 	rq->clock += delta;
 	update_rq_clock_task(rq, delta);
 }
+EXPORT_SYMBOL_GPL(update_rq_clock);
 
 static inline void
 rq_csd_init(struct rq *rq, struct __call_single_data *csd, smp_call_func_t func)
@@ -532,6 +552,7 @@
 	 */
 	*head->lastp = node;
 	head->lastp = &node->next;
+	head->count++;
 	return true;
 }
 
@@ -588,12 +609,14 @@
 		/* Task can safely be re-inserted now: */
 		node = node->next;
 		task->wake_q.next = NULL;
+		task->wake_q_count = head->count;
 
 		/*
 		 * wake_up_process() executes a full barrier, which pairs with
 		 * the queueing in wake_q_add() so as not to miss wakeups.
 		 */
 		wake_up_process(task);
+		task->wake_q_count = 0;
 		put_task_struct(task);
 	}
 }
@@ -628,6 +651,7 @@
 	else
 		trace_sched_wake_idle_without_ipi(cpu);
 }
+EXPORT_SYMBOL_GPL(resched_curr);
 
 void resched_cpu(int cpu)
 {
@@ -655,7 +679,7 @@
 	int i, cpu = smp_processor_id(), default_cpu = -1;
 	struct sched_domain *sd;
 
-	if (housekeeping_cpu(cpu, HK_FLAG_TIMER)) {
+	if (housekeeping_cpu(cpu, HK_FLAG_TIMER) && cpu_active(cpu)) {
 		if (!idle_cpu(cpu))
 			return cpu;
 		default_cpu = cpu;
@@ -675,8 +699,25 @@
 		}
 	}
 
-	if (default_cpu == -1)
-		default_cpu = housekeeping_any_cpu(HK_FLAG_TIMER);
+	if (default_cpu == -1) {
+		for_each_cpu_and(i, cpu_active_mask,
+				 housekeeping_cpumask(HK_FLAG_TIMER)) {
+			if (cpu == i)
+				continue;
+
+			if (!idle_cpu(i)) {
+				cpu = i;
+				goto unlock;
+			}
+		}
+
+		/* no active, not-idle, housekpeeing CPU found. */
+		default_cpu = cpumask_any(cpu_active_mask);
+
+		if (unlikely(default_cpu >= nr_cpu_ids))
+			goto unlock;
+	}
+
 	cpu = default_cpu;
 unlock:
 	rcu_read_unlock();
@@ -929,6 +970,7 @@
  *   * An admin modifying the cgroup cpu.uclamp.{min, max}
  */
 DEFINE_STATIC_KEY_FALSE(sched_uclamp_used);
+EXPORT_SYMBOL_GPL(sched_uclamp_used);
 
 /* Integer rounded range for each bucket */
 #define UCLAMP_BUCKET_DELTA DIV_ROUND_CLOSEST(SCHED_CAPACITY_SCALE, UCLAMP_BUCKETS)
@@ -1102,6 +1144,12 @@
 {
 	struct uclamp_se uc_req = uclamp_tg_restrict(p, clamp_id);
 	struct uclamp_se uc_max = uclamp_default[clamp_id];
+	struct uclamp_se uc_eff;
+	int ret = 0;
+
+	trace_android_rvh_uclamp_eff_get(p, clamp_id, &uc_max, &uc_eff, &ret);
+	if (ret)
+		return uc_eff;
 
 	/* System default restrictions always apply */
 	if (unlikely(uc_req.value > uc_max.value))
@@ -1122,6 +1170,7 @@
 
 	return (unsigned long)uc_eff.value;
 }
+EXPORT_SYMBOL_GPL(uclamp_eff_value);
 
 /*
  * When a task is enqueued on a rq, the clamp bucket currently defined by the
@@ -1426,17 +1475,30 @@
 static int uclamp_validate(struct task_struct *p,
 			   const struct sched_attr *attr)
 {
-	unsigned int lower_bound = p->uclamp_req[UCLAMP_MIN].value;
-	unsigned int upper_bound = p->uclamp_req[UCLAMP_MAX].value;
+	int util_min = p->uclamp_req[UCLAMP_MIN].value;
+	int util_max = p->uclamp_req[UCLAMP_MAX].value;
+	bool done = false;
+	int ret = 0;
 
-	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN)
-		lower_bound = attr->sched_util_min;
-	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX)
-		upper_bound = attr->sched_util_max;
+	trace_android_vh_uclamp_validate(p, attr, &ret, &done);
+	if (done)
+		return ret;
 
-	if (lower_bound > upper_bound)
-		return -EINVAL;
-	if (upper_bound > SCHED_CAPACITY_SCALE)
+	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN) {
+		util_min = attr->sched_util_min;
+
+		if (util_min + 1 > SCHED_CAPACITY_SCALE + 1)
+			return -EINVAL;
+	}
+
+	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX) {
+		util_max = attr->sched_util_max;
+
+		if (util_max + 1 > SCHED_CAPACITY_SCALE + 1)
+			return -EINVAL;
+	}
+
+	if (util_min != -1 && util_max != -1 && util_min > util_max)
 		return -EINVAL;
 
 	/*
@@ -1451,20 +1513,41 @@
 	return 0;
 }
 
+static bool uclamp_reset(const struct sched_attr *attr,
+			 enum uclamp_id clamp_id,
+			 struct uclamp_se *uc_se)
+{
+	/* Reset on sched class change for a non user-defined clamp value. */
+	if (likely(!(attr->sched_flags & SCHED_FLAG_UTIL_CLAMP)) &&
+	    !uc_se->user_defined)
+		return true;
+
+	/* Reset on sched_util_{min,max} == -1. */
+	if (clamp_id == UCLAMP_MIN &&
+	    attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN &&
+	    attr->sched_util_min == -1) {
+		return true;
+	}
+
+	if (clamp_id == UCLAMP_MAX &&
+	    attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX &&
+	    attr->sched_util_max == -1) {
+		return true;
+	}
+
+	return false;
+}
+
 static void __setscheduler_uclamp(struct task_struct *p,
 				  const struct sched_attr *attr)
 {
 	enum uclamp_id clamp_id;
 
-	/*
-	 * On scheduling class change, reset to default clamps for tasks
-	 * without a task-specific value.
-	 */
 	for_each_clamp_id(clamp_id) {
 		struct uclamp_se *uc_se = &p->uclamp_req[clamp_id];
+		unsigned int value;
 
-		/* Keep using defined clamps across class changes */
-		if (uc_se->user_defined)
+		if (!uclamp_reset(attr, clamp_id, uc_se))
 			continue;
 
 		/*
@@ -1472,23 +1555,29 @@
 		 * at runtime.
 		 */
 		if (unlikely(rt_task(p) && clamp_id == UCLAMP_MIN))
-			__uclamp_update_util_min_rt_default(p);
+			value = sysctl_sched_uclamp_util_min_rt_default;
 		else
-			uclamp_se_set(uc_se, uclamp_none(clamp_id), false);
+			value = uclamp_none(clamp_id);
+
+		uclamp_se_set(uc_se, value, false);
 
 	}
 
 	if (likely(!(attr->sched_flags & SCHED_FLAG_UTIL_CLAMP)))
 		return;
 
-	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN) {
+	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN &&
+	    attr->sched_util_min != -1) {
 		uclamp_se_set(&p->uclamp_req[UCLAMP_MIN],
 			      attr->sched_util_min, true);
+		trace_android_vh_setscheduler_uclamp(p, UCLAMP_MIN, attr->sched_util_min);
 	}
 
-	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX) {
+	if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX &&
+	    attr->sched_util_max != -1) {
 		uclamp_se_set(&p->uclamp_req[UCLAMP_MAX],
 			      attr->sched_util_max, true);
+		trace_android_vh_setscheduler_uclamp(p, UCLAMP_MAX, attr->sched_util_max);
 	}
 }
 
@@ -1582,7 +1671,9 @@
 	}
 
 	uclamp_rq_inc(rq, p);
+	trace_android_rvh_enqueue_task(rq, p, flags);
 	p->sched_class->enqueue_task(rq, p, flags);
+	trace_android_rvh_after_enqueue_task(rq, p);
 }
 
 static inline void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
@@ -1596,7 +1687,9 @@
 	}
 
 	uclamp_rq_dec(rq, p);
+	trace_android_rvh_dequeue_task(rq, p, flags);
 	p->sched_class->dequeue_task(rq, p, flags);
+	trace_android_rvh_after_dequeue_task(rq, p);
 }
 
 void activate_task(struct rq *rq, struct task_struct *p, int flags)
@@ -1608,6 +1701,7 @@
 
 	p->on_rq = TASK_ON_RQ_QUEUED;
 }
+EXPORT_SYMBOL_GPL(activate_task);
 
 void deactivate_task(struct rq *rq, struct task_struct *p, int flags)
 {
@@ -1615,6 +1709,7 @@
 
 	dequeue_task(rq, p, flags);
 }
+EXPORT_SYMBOL_GPL(deactivate_task);
 
 static inline int __normal_prio(int policy, int rt_prio, int nice)
 {
@@ -1707,6 +1802,7 @@
 	if (task_on_rq_queued(rq->curr) && test_tsk_need_resched(rq->curr))
 		rq_clock_skip_update(rq);
 }
+EXPORT_SYMBOL_GPL(check_preempt_curr);
 
 #ifdef CONFIG_SMP
 
@@ -1722,7 +1818,10 @@
 	if (is_per_cpu_kthread(p))
 		return cpu_online(cpu);
 
-	return cpu_active(cpu);
+	if (!cpu_active(cpu))
+		return false;
+
+	return cpumask_test_cpu(cpu, task_cpu_possible_mask(p));
 }
 
 /*
@@ -1747,12 +1846,24 @@
 static struct rq *move_queued_task(struct rq *rq, struct rq_flags *rf,
 				   struct task_struct *p, int new_cpu)
 {
+	int detached = 0;
+
 	lockdep_assert_held(&rq->lock);
 
+	/*
+	 * The vendor hook may drop the lock temporarily, so
+	 * pass the rq flags to unpin lock. We expect the
+	 * rq lock to be held after return.
+	 */
+	trace_android_rvh_migrate_queued_task(rq, rf, p, new_cpu, &detached);
+	if (detached)
+		goto attach;
+
 	deactivate_task(rq, p, DEQUEUE_NOCLOCK);
 	set_task_cpu(p, new_cpu);
-	rq_unlock(rq, rf);
 
+attach:
+	rq_unlock(rq, rf);
 	rq = cpu_rq(new_cpu);
 
 	rq_lock(rq, rf);
@@ -1842,6 +1953,7 @@
 {
 	cpumask_copy(&p->cpus_mask, new_mask);
 	p->nr_cpus_allowed = cpumask_weight(new_mask);
+	trace_android_rvh_set_cpus_allowed_comm(p, new_mask);
 }
 
 void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
@@ -1874,24 +1986,19 @@
 }
 
 /*
- * Change a given task's CPU affinity. Migrate the thread to a
- * proper CPU and schedule it away if the CPU it's executing on
- * is removed from the allowed bitmask.
- *
- * NOTE: the caller must have a valid reference to the task, the
- * task must not exit() & deallocate itself prematurely. The
- * call is not atomic; no spinlocks may be held.
+ * Called with both p->pi_lock and rq->lock held; drops both before returning.
  */
-static int __set_cpus_allowed_ptr(struct task_struct *p,
-				  const struct cpumask *new_mask, bool check)
+static int __set_cpus_allowed_ptr_locked(struct task_struct *p,
+					 const struct cpumask *new_mask,
+					 bool check,
+					 struct rq *rq,
+					 struct rq_flags *rf)
 {
 	const struct cpumask *cpu_valid_mask = cpu_active_mask;
-	unsigned int dest_cpu;
-	struct rq_flags rf;
-	struct rq *rq;
+	const struct cpumask *cpu_allowed_mask = task_cpu_possible_mask(p);
+	unsigned int dest_cpu = nr_cpu_ids;
 	int ret = 0;
 
-	rq = task_rq_lock(p, &rf);
 	update_rq_clock(rq);
 
 	if (p->flags & PF_KTHREAD) {
@@ -1899,6 +2006,9 @@
 		 * Kernel threads are allowed on online && !active CPUs
 		 */
 		cpu_valid_mask = cpu_online_mask;
+	} else if (!cpumask_subset(new_mask, cpu_allowed_mask)) {
+		ret = -EINVAL;
+		goto out;
 	}
 
 	/*
@@ -1918,10 +2028,14 @@
 	 * for groups of tasks (ie. cpuset), so that load balancing is not
 	 * immediately required to distribute the tasks within their new mask.
 	 */
-	dest_cpu = cpumask_any_and_distribute(cpu_valid_mask, new_mask);
+	trace_android_rvh_cpumask_any_and_distribute(p, cpu_valid_mask, new_mask, &dest_cpu);
+
 	if (dest_cpu >= nr_cpu_ids) {
-		ret = -EINVAL;
-		goto out;
+		dest_cpu = cpumask_any_and_distribute(cpu_valid_mask, new_mask);
+		if (dest_cpu >= nr_cpu_ids) {
+			ret = -EINVAL;
+			goto out;
+		}
 	}
 
 	do_set_cpus_allowed(p, new_mask);
@@ -1943,7 +2057,7 @@
 	if (task_running(rq, p) || p->state == TASK_WAKING) {
 		struct migration_arg arg = { p, dest_cpu };
 		/* Need help from migration thread: drop lock and wait. */
-		task_rq_unlock(rq, p, &rf);
+		task_rq_unlock(rq, p, rf);
 		stop_one_cpu(cpu_of(rq), migration_cpu_stop, &arg);
 		return 0;
 	} else if (task_on_rq_queued(p)) {
@@ -1951,20 +2065,107 @@
 		 * OK, since we're going to drop the lock immediately
 		 * afterwards anyway.
 		 */
-		rq = move_queued_task(rq, &rf, p, dest_cpu);
+		rq = move_queued_task(rq, rf, p, dest_cpu);
 	}
 out:
-	task_rq_unlock(rq, p, &rf);
+	task_rq_unlock(rq, p, rf);
 
 	return ret;
 }
 
+/*
+ * Change a given task's CPU affinity. Migrate the thread to a
+ * proper CPU and schedule it away if the CPU it's executing on
+ * is removed from the allowed bitmask.
+ *
+ * NOTE: the caller must have a valid reference to the task, the
+ * task must not exit() & deallocate itself prematurely. The
+ * call is not atomic; no spinlocks may be held.
+ */
+static int __set_cpus_allowed_ptr(struct task_struct *p,
+				  const struct cpumask *new_mask, bool check)
+{
+	struct rq_flags rf;
+	struct rq *rq;
+
+	rq = task_rq_lock(p, &rf);
+	return __set_cpus_allowed_ptr_locked(p, new_mask, check, rq, &rf);
+}
+
 int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask)
 {
 	return __set_cpus_allowed_ptr(p, new_mask, false);
 }
 EXPORT_SYMBOL_GPL(set_cpus_allowed_ptr);
 
+/*
+ * Change a given task's CPU affinity to the intersection of its current
+ * affinity mask and @subset_mask, writing the resulting mask to @new_mask.
+ * If the resulting mask is empty, leave the affinity unchanged and return
+ * -EINVAL.
+ */
+static int restrict_cpus_allowed_ptr(struct task_struct *p,
+				     struct cpumask *new_mask,
+				     const struct cpumask *subset_mask)
+{
+	struct rq_flags rf;
+	struct rq *rq;
+
+	rq = task_rq_lock(p, &rf);
+	if (!cpumask_and(new_mask, &p->cpus_mask, subset_mask)) {
+		task_rq_unlock(rq, p, &rf);
+		return -EINVAL;
+	}
+
+	return __set_cpus_allowed_ptr_locked(p, new_mask, false, rq, &rf);
+}
+
+/*
+ * Restrict a given task's CPU affinity so that it is a subset of
+ * task_cpu_possible_mask(). If the resulting mask is empty, we warn and
+ * walk up the cpuset hierarchy until we find a suitable mask.
+ */
+void force_compatible_cpus_allowed_ptr(struct task_struct *p)
+{
+	cpumask_var_t new_mask;
+	const struct cpumask *override_mask = task_cpu_possible_mask(p);
+
+	alloc_cpumask_var(&new_mask, GFP_KERNEL);
+
+	/*
+	 * __migrate_task() can fail silently in the face of concurrent
+	 * offlining of the chosen destination CPU, so take the hotplug
+	 * lock to ensure that the migration succeeds.
+	 */
+	trace_android_rvh_force_compatible_pre(NULL);
+	cpus_read_lock();
+	if (!cpumask_available(new_mask))
+		goto out_set_mask;
+
+	if (!restrict_cpus_allowed_ptr(p, new_mask, override_mask))
+		goto out_free_mask;
+
+	/*
+	 * We failed to find a valid subset of the affinity mask for the
+	 * task, so override it based on its cpuset hierarchy.
+	 */
+	cpuset_cpus_allowed(p, new_mask);
+	override_mask = new_mask;
+
+out_set_mask:
+	if (printk_ratelimit()) {
+		printk_deferred("Overriding affinity for process %d (%s) to CPUs %*pbl\n",
+				task_pid_nr(p), p->comm,
+				cpumask_pr_args(override_mask));
+	}
+
+	WARN_ON(set_cpus_allowed_ptr(p, override_mask));
+out_free_mask:
+	cpus_read_unlock();
+	trace_android_rvh_force_compatible_post(NULL);
+	free_cpumask_var(new_mask);
+}
+
 void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
 {
 #ifdef CONFIG_SCHED_DEBUG
@@ -2012,12 +2213,13 @@
 		p->se.nr_migrations++;
 		rseq_migrate(p);
 		perf_event_task_migrate(p);
+		trace_android_rvh_set_task_cpu(p, new_cpu);
 	}
 
 	__set_task_cpu(p, new_cpu);
 }
+EXPORT_SYMBOL_GPL(set_task_cpu);
 
-#ifdef CONFIG_NUMA_BALANCING
 static void __migrate_swap_task(struct task_struct *p, int cpu)
 {
 	if (task_on_rq_queued(p)) {
@@ -2132,7 +2334,7 @@
 out:
 	return ret;
 }
-#endif /* CONFIG_NUMA_BALANCING */
+EXPORT_SYMBOL_GPL(migrate_swap);
 
 /*
  * wait_task_inactive - wait for a thread to unschedule.
@@ -2294,7 +2496,11 @@
 	int nid = cpu_to_node(cpu);
 	const struct cpumask *nodemask = NULL;
 	enum { cpuset, possible, fail } state = cpuset;
-	int dest_cpu;
+	int dest_cpu = -1;
+
+	trace_android_rvh_select_fallback_rq(cpu, p, &dest_cpu);
+	if (dest_cpu >= 0)
+		return dest_cpu;
 
 	/*
 	 * If the node that the CPU is on has been offlined, cpu_to_node()
@@ -2306,9 +2512,7 @@
 
 		/* Look for allowed, online CPU in same node. */
 		for_each_cpu(dest_cpu, nodemask) {
-			if (!cpu_active(dest_cpu))
-				continue;
-			if (cpumask_test_cpu(dest_cpu, p->cpus_ptr))
+			if (is_cpu_allowed(p, dest_cpu))
 				return dest_cpu;
 		}
 	}
@@ -2332,10 +2536,9 @@
 			}
 			fallthrough;
 		case possible:
-			do_set_cpus_allowed(p, cpu_possible_mask);
+			do_set_cpus_allowed(p, task_cpu_possible_mask(p));
 			state = fail;
 			break;
-
 		case fail:
 			BUG();
 			break;
@@ -2507,6 +2710,9 @@
 {
 	int en_flags = ENQUEUE_WAKEUP | ENQUEUE_NOCLOCK;
 
+	if (wake_flags & WF_SYNC)
+		en_flags |= ENQUEUE_WAKEUP_SYNC;
+
 	lockdep_assert_held(&rq->lock);
 
 	if (p->sched_contributes_to_load)
@@ -2652,6 +2858,7 @@
 out:
 	rcu_read_unlock();
 }
+EXPORT_SYMBOL_GPL(wake_up_if_idle);
 
 bool cpus_share_cache(int this_cpu, int that_cpu)
 {
@@ -2688,7 +2895,12 @@
 
 static bool ttwu_queue_wakelist(struct task_struct *p, int cpu, int wake_flags)
 {
-	if (sched_feat(TTWU_QUEUE) && ttwu_queue_cond(cpu, wake_flags)) {
+	bool cond = false;
+
+	trace_android_rvh_ttwu_cond(&cond);
+
+	if ((sched_feat(TTWU_QUEUE) && ttwu_queue_cond(cpu, wake_flags)) ||
+			cond) {
 		if (WARN_ON_ONCE(cpu == smp_processor_id()))
 			return false;
 
@@ -2883,6 +3095,19 @@
 	if (!(p->state & state))
 		goto unlock;
 
+#ifdef CONFIG_FREEZER
+	/*
+	 * If we're going to wake up a thread which may be frozen, then
+	 * we can only do so if we have an active CPU which is capable of
+	 * running it. This may not be the case when resuming from suspend,
+	 * as the secondary CPUs may not yet be back online. See __thaw_task()
+	 * for the actual wakeup.
+	 */
+	if (unlikely(frozen_or_skipped(p)) &&
+	    !cpumask_intersects(cpu_active_mask, task_cpu_possible_mask(p)))
+		goto unlock;
+#endif
+
 	trace_sched_waking(p);
 
 	/* We're going to change ->state: */
@@ -2914,6 +3139,9 @@
 	if (READ_ONCE(p->on_rq) && ttwu_runnable(p, wake_flags))
 		goto unlock;
 
+	if (p->state & TASK_UNINTERRUPTIBLE)
+		trace_sched_blocked_reason(p);
+
 #ifdef CONFIG_SMP
 	/*
 	 * Ensure we load p->on_cpu _after_ p->on_rq, otherwise it would be
@@ -3097,6 +3325,8 @@
 	p->se.cfs_rq			= NULL;
 #endif
 
+	trace_android_rvh_sched_fork_init(p);
+
 #ifdef CONFIG_SCHEDSTATS
 	/* Even if schedstat is disabled, there should not be garbage */
 	memset(&p->se.statistics, 0, sizeof(p->se.statistics));
@@ -3243,6 +3473,8 @@
  */
 int sched_fork(unsigned long clone_flags, struct task_struct *p)
 {
+	trace_android_rvh_sched_fork(p);
+
 	__sched_fork(clone_flags, p);
 	/*
 	 * We mark the process as NEW here. This guarantees that
@@ -3255,6 +3487,7 @@
 	 * Make sure we do not leak PI boosting priority to the child.
 	 */
 	p->prio = current->normal_prio;
+	trace_android_rvh_prepare_prio_fork(p);
 
 	uclamp_fork(p);
 
@@ -3287,6 +3520,8 @@
 		p->sched_class = &fair_sched_class;
 
 	init_entity_runnable_average(&p->se);
+	trace_android_rvh_finish_prio_fork(p);
+
 
 #ifdef CONFIG_SCHED_INFO
 	if (likely(sched_info_on()))
@@ -3303,18 +3538,23 @@
 	return 0;
 }
 
-void sched_post_fork(struct task_struct *p, struct kernel_clone_args *kargs)
+void sched_cgroup_fork(struct task_struct *p, struct kernel_clone_args *kargs)
 {
 	unsigned long flags;
-#ifdef CONFIG_CGROUP_SCHED
-	struct task_group *tg;
-#endif
 
+	/*
+	 * Because we're not yet on the pid-hash, p->pi_lock isn't strictly
+	 * required yet, but lockdep gets upset if rules are violated.
+	 */
 	raw_spin_lock_irqsave(&p->pi_lock, flags);
 #ifdef CONFIG_CGROUP_SCHED
-	tg = container_of(kargs->cset->subsys[cpu_cgrp_id],
-			  struct task_group, css);
-	p->sched_task_group = autogroup_task_group(p, tg);
+	if (1) {
+		struct task_group *tg;
+		tg = container_of(kargs->cset->subsys[cpu_cgrp_id],
+				  struct task_group, css);
+		tg = autogroup_task_group(p, tg);
+		p->sched_task_group = tg;
+	}
 #endif
 	rseq_migrate(p);
 	/*
@@ -3325,7 +3565,10 @@
 	if (p->sched_class->task_fork)
 		p->sched_class->task_fork(p);
 	raw_spin_unlock_irqrestore(&p->pi_lock, flags);
+}
 
+void sched_post_fork(struct task_struct *p)
+{
 	uclamp_post_fork(p);
 }
 
@@ -3357,6 +3600,8 @@
 	struct rq_flags rf;
 	struct rq *rq;
 
+	trace_android_rvh_wake_up_new_task(p);
+
 	raw_spin_lock_irqsave(&p->pi_lock, rf.flags);
 	p->state = TASK_RUNNING;
 #ifdef CONFIG_SMP
@@ -3784,6 +4029,7 @@
 		 * finish_task_switch()'s mmdrop().
 		 */
 		switch_mm_irqs_off(prev->active_mm, next->mm, next);
+		lru_gen_use_mm(next->mm);
 
 		if (!prev->mm) {                        // from kernel
 			/* will mmdrop() in finish_task_switch(). */
@@ -3912,6 +4158,11 @@
 	struct task_struct *p = current;
 	unsigned long flags;
 	int dest_cpu;
+	bool cond = false;
+
+	trace_android_rvh_sched_exec(&cond);
+	if (cond)
+		return;
 
 	raw_spin_lock_irqsave(&p->pi_lock, flags);
 	dest_cpu = p->sched_class->select_task_rq(p, task_cpu(p), SD_BALANCE_EXEC, 0);
@@ -4030,6 +4281,8 @@
 	rq->idle_balance = idle_cpu(cpu);
 	trigger_load_balance(rq);
 #endif
+
+	trace_android_vh_scheduler_tick(rq);
 }
 
 #ifdef CONFIG_NO_HZ_FULL
@@ -4285,6 +4538,8 @@
 	}
 	check_panic_on_warn("scheduling while atomic");
 
+	trace_android_rvh_schedule_bug(prev);
+
 	dump_stack();
 	add_taint(TAINT_WARN, LOCKDEP_STILL_OK);
 }
@@ -4517,6 +4772,7 @@
 	clear_tsk_need_resched(prev);
 	clear_preempt_need_resched();
 
+	trace_android_rvh_schedule(prev, next, rq);
 	if (likely(prev != next)) {
 		rq->nr_switches++;
 		/*
@@ -4817,7 +5073,7 @@
 int default_wake_function(wait_queue_entry_t *curr, unsigned mode, int wake_flags,
 			  void *key)
 {
-	WARN_ON_ONCE(IS_ENABLED(CONFIG_SCHED_DEBUG) && wake_flags & ~WF_SYNC);
+	WARN_ON_ONCE(IS_ENABLED(CONFIG_SCHED_DEBUG) && wake_flags & ~(WF_SYNC | WF_ANDROID_VENDOR));
 	return try_to_wake_up(curr->private, mode, wake_flags);
 }
 EXPORT_SYMBOL(default_wake_function);
@@ -4870,6 +5126,7 @@
 	struct rq_flags rf;
 	struct rq *rq;
 
+	trace_android_rvh_rtmutex_prepare_setprio(p, pi_task);
 	/* XXX used to be waiter->prio, not waiter->task->prio */
 	prio = __rt_effective_prio(pi_task, p->normal_prio);
 
@@ -4986,12 +5243,13 @@
 
 void set_user_nice(struct task_struct *p, long nice)
 {
-	bool queued, running;
+	bool queued, running, allowed = false;
 	int old_prio;
 	struct rq_flags rf;
 	struct rq *rq;
 
-	if (task_nice(p) == nice || nice < MIN_NICE || nice > MAX_NICE)
+	trace_android_rvh_set_user_nice(p, &nice, &allowed);
+	if ((task_nice(p) == nice || nice < MIN_NICE || nice > MAX_NICE) && !allowed)
 		return;
 	/*
 	 * We have to be careful, if called from sys_setpriority(),
@@ -5140,6 +5398,7 @@
 
 	return 1;
 }
+EXPORT_SYMBOL_GPL(available_idle_cpu);
 
 /**
  * idle_task - return the idle task for a given CPU.
@@ -5301,6 +5560,10 @@
 		/* Normal users shall not reset the sched_reset_on_fork flag: */
 		if (p->sched_reset_on_fork && !reset_on_fork)
 			return -EPERM;
+
+		/* Can't change util-clamps */
+		if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP)
+			return -EPERM;
 	}
 
 	if (user) {
@@ -5446,6 +5709,7 @@
 	if (!(attr->sched_flags & SCHED_FLAG_KEEP_PARAMS)) {
 		__setscheduler_params(p, attr);
 		__setscheduler_prio(p, newprio);
+		trace_android_rvh_setscheduler(p);
 	}
 	__setscheduler_uclamp(p, attr);
 
@@ -5522,16 +5786,19 @@
 {
 	return _sched_setscheduler(p, policy, param, true);
 }
+EXPORT_SYMBOL_GPL(sched_setscheduler);
 
 int sched_setattr(struct task_struct *p, const struct sched_attr *attr)
 {
 	return __sched_setscheduler(p, attr, true, true);
 }
+EXPORT_SYMBOL_GPL(sched_setattr);
 
 int sched_setattr_nocheck(struct task_struct *p, const struct sched_attr *attr)
 {
 	return __sched_setscheduler(p, attr, false, true);
 }
+EXPORT_SYMBOL_GPL(sched_setattr_nocheck);
 
 /**
  * sched_setscheduler_nocheck - change the scheduling policy and/or RT priority of a thread from kernelspace.
@@ -5551,6 +5818,7 @@
 {
 	return _sched_setscheduler(p, policy, param, false);
 }
+EXPORT_SYMBOL_GPL(sched_setscheduler_nocheck);
 
 /*
  * SCHED_FIFO is a broken scheduler model; that is, it is fundamentally
@@ -5612,14 +5880,9 @@
 	rcu_read_lock();
 	retval = -ESRCH;
 	p = find_process_by_pid(pid);
-	if (likely(p))
-		get_task_struct(p);
-	rcu_read_unlock();
-
-	if (likely(p)) {
+	if (p != NULL)
 		retval = sched_setscheduler(p, policy, &lparam);
-		put_task_struct(p);
-	}
+	rcu_read_unlock();
 
 	return retval;
 }
@@ -5669,6 +5932,16 @@
 	return -E2BIG;
 }
 
+static void get_params(struct task_struct *p, struct sched_attr *attr)
+{
+	if (task_has_dl_policy(p))
+		__getparam_dl(p, attr);
+	else if (task_has_rt_policy(p))
+		attr->sched_priority = p->rt_priority;
+	else
+		attr->sched_nice = task_nice(p);
+}
+
 /**
  * sys_sched_setscheduler - set/change the scheduler policy and RT priority
  * @pid: the pid in question.
@@ -5730,6 +6003,8 @@
 	rcu_read_unlock();
 
 	if (likely(p)) {
+		if (attr.sched_flags & SCHED_FLAG_KEEP_PARAMS)
+			get_params(p, &attr);
 		retval = sched_setattr(p, &attr);
 		put_task_struct(p);
 	}
@@ -5878,12 +6153,8 @@
 	kattr.sched_policy = p->policy;
 	if (p->sched_reset_on_fork)
 		kattr.sched_flags |= SCHED_FLAG_RESET_ON_FORK;
-	if (task_has_dl_policy(p))
-		__getparam_dl(p, &kattr);
-	else if (task_has_rt_policy(p))
-		kattr.sched_priority = p->rt_priority;
-	else
-		kattr.sched_nice = task_nice(p);
+	get_params(p, &kattr);
+	kattr.sched_flags &= SCHED_FLAG_ALL;
 
 #ifdef CONFIG_UCLAMP_TASK
 	/*
@@ -5909,6 +6180,7 @@
 	cpumask_var_t cpus_allowed, new_mask;
 	struct task_struct *p;
 	int retval;
+	int skip = 0;
 
 	rcu_read_lock();
 
@@ -5944,6 +6216,9 @@
 		rcu_read_unlock();
 	}
 
+	trace_android_vh_sched_setaffinity_early(p, in_mask, &skip);
+	if (skip)
+		goto out_free_new_mask;
 	retval = security_task_setscheduler(p);
 	if (retval)
 		goto out_free_new_mask;
@@ -5984,6 +6259,9 @@
 			goto again;
 		}
 	}
+
+	trace_android_rvh_sched_setaffinity(p, in_mask, &retval);
+
 out_free_new_mask:
 	free_cpumask_var(new_mask);
 out_free_cpus_allowed:
@@ -6110,6 +6388,8 @@
 	schedstat_inc(rq->yld_count);
 	current->sched_class->yield_task(rq);
 
+	trace_android_rvh_do_sched_yield(rq);
+
 	preempt_disable();
 	rq_unlock_irq(rq, &rf);
 	sched_preempt_enable_no_resched();
@@ -6459,6 +6739,7 @@
 		(unsigned long)task_thread_info(p)->flags);
 
 	print_worker_info(KERN_INFO, p);
+	trace_android_vh_sched_show_task(p);
 	show_stack(p, NULL, KERN_INFO);
 	put_task_stack(p);
 }
@@ -6729,11 +7010,14 @@
  * Called with rq->lock held even though we'er in stop_machine() and
  * there's no concurrency possible, we hold the required locks anyway
  * because of lock validation efforts.
+ *
+ * force: if false, the function will skip CPU pinned kthreads.
  */
-static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
+static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf, bool force)
 {
 	struct rq *rq = dead_rq;
-	struct task_struct *next, *stop = rq->stop;
+	struct task_struct *next, *tmp, *stop = rq->stop;
+	LIST_HEAD(percpu_kthreads);
 	struct rq_flags orf = *rf;
 	int dest_cpu;
 
@@ -6755,6 +7039,11 @@
 	 */
 	update_rq_clock(rq);
 
+#ifdef CONFIG_SCHED_DEBUG
+	/* note the clock update in orf */
+	orf.clock_update_flags |= RQCF_UPDATED;
+#endif
+
 	for (;;) {
 		/*
 		 * There's this thread running, bail when that's the only
@@ -6766,6 +7055,20 @@
 		next = __pick_migrate_task(rq);
 
 		/*
+		 * Argh ... no iterator for tasks, we need to remove the
+		 * kthread from the run-queue to continue.
+		 */
+		if (!force && is_per_cpu_kthread(next)) {
+			INIT_LIST_HEAD(&next->percpu_kthread_node);
+			list_add(&next->percpu_kthread_node, &percpu_kthreads);
+
+			/* DEQUEUE_SAVE not used due to move_entity in rt */
+			deactivate_task(rq, next,
+					DEQUEUE_NOCLOCK);
+			continue;
+		}
+
+		/*
 		 * Rules for changing task_struct::cpus_mask are holding
 		 * both pi_lock and rq->lock, such that holding either
 		 * stabilizes the mask.
@@ -6783,7 +7086,14 @@
 		 * changed the task, WARN if weird stuff happened, because in
 		 * that case the above rq->lock drop is a fail too.
 		 */
-		if (WARN_ON(task_rq(next) != rq || !task_on_rq_queued(next))) {
+		if (task_rq(next) != rq || !task_on_rq_queued(next)) {
+			/*
+			 * In the !force case, there is a hole between
+			 * rq_unlock() and rq_relock(), where another CPU might
+			 * not observe an up to date cpu_active_mask and try to
+			 * move tasks around.
+			 */
+			WARN_ON(force);
 			raw_spin_unlock(&next->pi_lock);
 			continue;
 		}
@@ -6800,8 +7110,50 @@
 		raw_spin_unlock(&next->pi_lock);
 	}
 
+	list_for_each_entry_safe(next, tmp, &percpu_kthreads,
+				 percpu_kthread_node) {
+
+		/* ENQUEUE_RESTORE not used due to move_entity in rt */
+		activate_task(rq, next, ENQUEUE_NOCLOCK);
+		list_del(&next->percpu_kthread_node);
+	}
+
 	rq->stop = stop;
 }
+
+static int drain_rq_cpu_stop(void *data)
+{
+	struct rq *rq = this_rq();
+	struct rq_flags rf;
+
+	rq_lock_irqsave(rq, &rf);
+	migrate_tasks(rq, &rf, false);
+	rq_unlock_irqrestore(rq, &rf);
+
+	return 0;
+}
+
+int sched_cpu_drain_rq(unsigned int cpu)
+{
+	struct cpu_stop_work *rq_drain = &(cpu_rq(cpu)->drain);
+	struct cpu_stop_done *rq_drain_done = &(cpu_rq(cpu)->drain_done);
+
+	if (idle_cpu(cpu)) {
+		rq_drain->done = NULL;
+		return 0;
+	}
+
+	return stop_one_cpu_async(cpu, drain_rq_cpu_stop, NULL, rq_drain,
+				  rq_drain_done);
+}
+
+void sched_cpu_drain_rq_wait(unsigned int cpu)
+{
+	struct cpu_stop_work *rq_drain = &(cpu_rq(cpu)->drain);
+
+	if (rq_drain->done)
+		cpu_stop_work_wait(rq_drain);
+}
 #endif /* CONFIG_HOTPLUG_CPU */
 
 void set_rq_online(struct rq *rq)
@@ -6919,22 +7271,32 @@
 	}
 	rq_unlock_irqrestore(rq, &rf);
 
+	update_max_interval();
+
 	return 0;
 }
 
-int sched_cpu_deactivate(unsigned int cpu)
+int sched_cpus_activate(struct cpumask *cpus)
+{
+	unsigned int cpu;
+
+	for_each_cpu(cpu, cpus) {
+		if (sched_cpu_activate(cpu)) {
+			for_each_cpu_and(cpu, cpus, cpu_active_mask)
+				sched_cpu_deactivate(cpu);
+
+			return -EBUSY;
+		}
+	}
+
+	return 0;
+}
+
+int _sched_cpu_deactivate(unsigned int cpu)
 {
 	int ret;
 
 	set_cpu_active(cpu, false);
-	/*
-	 * We've cleared cpu_active_mask, wait for all preempt-disabled and RCU
-	 * users of this state to go away such that all new such users will
-	 * observe it.
-	 *
-	 * Do sync before park smpboot threads to take care the rcu boost case.
-	 */
-	synchronize_rcu();
 
 #ifdef CONFIG_SCHED_SMT
 	/*
@@ -6953,6 +7315,46 @@
 		return ret;
 	}
 	sched_domains_numa_masks_clear(cpu);
+
+	update_max_interval();
+
+	return 0;
+}
+
+int sched_cpu_deactivate(unsigned int cpu)
+{
+	int ret = _sched_cpu_deactivate(cpu);
+
+	if (ret)
+		return ret;
+
+	/*
+	 * We've cleared cpu_active_mask, wait for all preempt-disabled and RCU
+	 * users of this state to go away such that all new such users will
+	 * observe it.
+	 *
+	 * Do sync before park smpboot threads to take care the rcu boost case.
+	 */
+	synchronize_rcu();
+
+	return 0;
+}
+
+int sched_cpus_deactivate_nosync(struct cpumask *cpus)
+{
+	unsigned int cpu;
+
+	for_each_cpu(cpu, cpus) {
+		if (_sched_cpu_deactivate(cpu)) {
+			for_each_cpu(cpu, cpus) {
+				if (!cpu_active(cpu))
+					sched_cpu_activate(cpu);
+			}
+
+			return -EBUSY;
+		}
+	}
+
 	return 0;
 }
 
@@ -6961,7 +7363,6 @@
 	struct rq *rq = cpu_rq(cpu);
 
 	rq->calc_load_update = calc_load_update;
-	update_max_interval();
 }
 
 int sched_cpu_starting(unsigned int cpu)
@@ -6985,12 +7386,11 @@
 		BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span));
 		set_rq_offline(rq);
 	}
-	migrate_tasks(rq, &rf);
+	migrate_tasks(rq, &rf, true);
 	BUG_ON(rq->nr_running != 1);
 	rq_unlock_irqrestore(rq, &rf);
 
 	calc_load_migrate(rq);
-	update_max_interval();
 	nohz_balance_exit_idle(rq);
 	hrtick_clear(rq);
 	return 0;
@@ -7013,6 +7413,7 @@
 	/* Move init over to a non-isolated CPU */
 	if (set_cpus_allowed_ptr(current, housekeeping_cpumask(HK_FLAG_DOMAIN)) < 0)
 		BUG();
+
 	sched_init_granularity();
 
 	init_sched_rt_class();
@@ -7048,7 +7449,9 @@
  * Every task in system belongs to this group at bootup.
  */
 struct task_group root_task_group;
+EXPORT_SYMBOL_GPL(root_task_group);
 LIST_HEAD(task_groups);
+EXPORT_SYMBOL_GPL(task_groups);
 
 /* Cacheline aligned slab cache for task_group */
 static struct kmem_cache *task_group_cache __read_mostly;
@@ -7298,6 +7701,9 @@
 		pr_err("Preemption disabled at:");
 		print_ip_sym(KERN_ERR, preempt_disable_ip);
 	}
+
+	trace_android_rvh_schedule_bug(NULL);
+
 	dump_stack();
 	add_taint(TAINT_WARN, LOCKDEP_STILL_OK);
 }
@@ -7618,6 +8024,7 @@
 	mutex_unlock(&uclamp_mutex);
 #endif
 
+	trace_android_rvh_cpu_cgroup_online(css);
 	return 0;
 }
 
@@ -7683,6 +8090,9 @@
 		if (ret)
 			break;
 	}
+
+	trace_android_rvh_cpu_cgroup_can_attach(tset, &ret);
+
 	return ret;
 }
 
@@ -7693,6 +8103,8 @@
 
 	cgroup_taskset_for_each(task, css, tset)
 		sched_move_task(task);
+
+	trace_android_rvh_cpu_cgroup_attach(tset);
 }
 
 #ifdef CONFIG_UCLAMP_TASK_GROUP
@@ -7870,6 +8282,27 @@
 	cpu_uclamp_print(sf, UCLAMP_MAX);
 	return 0;
 }
+
+static int cpu_uclamp_ls_write_u64(struct cgroup_subsys_state *css,
+				   struct cftype *cftype, u64 ls)
+{
+	struct task_group *tg;
+
+	if (ls > 1)
+		return -EINVAL;
+	tg = css_tg(css);
+	tg->latency_sensitive = (unsigned int) ls;
+
+	return 0;
+}
+
+static u64 cpu_uclamp_ls_read_u64(struct cgroup_subsys_state *css,
+				  struct cftype *cft)
+{
+	struct task_group *tg = css_tg(css);
+
+	return (u64) tg->latency_sensitive;
+}
 #endif /* CONFIG_UCLAMP_TASK_GROUP */
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
@@ -8238,6 +8671,12 @@
 		.seq_show = cpu_uclamp_max_show,
 		.write = cpu_uclamp_max_write,
 	},
+	{
+		.name = "uclamp.latency_sensitive",
+		.flags = CFTYPE_NOT_ON_ROOT,
+		.read_u64 = cpu_uclamp_ls_read_u64,
+		.write_u64 = cpu_uclamp_ls_write_u64,
+	},
 #endif
 	{ }	/* Terminate */
 };
@@ -8419,6 +8858,12 @@
 		.seq_show = cpu_uclamp_max_show,
 		.write = cpu_uclamp_max_write,
 	},
+	{
+		.name = "uclamp.latency_sensitive",
+		.flags = CFTYPE_NOT_ON_ROOT,
+		.read_u64 = cpu_uclamp_ls_read_u64,
+		.write_u64 = cpu_uclamp_ls_write_u64,
+	},
 #endif
 	{ }	/* terminate */
 };
diff --git a/kernel/sched/cpufreq.c b/kernel/sched/cpufreq.c
index 7c2fe50..17fa956 100644
--- a/kernel/sched/cpufreq.c
+++ b/kernel/sched/cpufreq.c
@@ -10,6 +10,7 @@
 #include "sched.h"
 
 DEFINE_PER_CPU(struct update_util_data __rcu *, cpufreq_update_util_data);
+EXPORT_PER_CPU_SYMBOL_GPL(cpufreq_update_util_data);
 
 /**
  * cpufreq_add_update_util_hook - Populate the CPU's update_util_data pointer.
@@ -75,3 +76,4 @@
 		(policy->dvfs_possible_from_any_cpu &&
 		 rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data)));
 }
+EXPORT_SYMBOL_GPL(cpufreq_this_cpu_can_update);
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 5e39da0..36eab7c 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -12,6 +12,7 @@
 
 #include <linux/sched/cpufreq.h>
 #include <trace/events/power.h>
+#include <trace/hooks/sched.h>
 
 #define IOWAIT_BOOST_MIN	(SCHED_CAPACITY_SCALE / 8)
 
@@ -103,6 +104,9 @@
 				   unsigned int next_freq)
 {
 	if (!sg_policy->need_freq_update) {
+		s64 delta_ns = time - sg_policy->last_freq_update_time;
+		trace_android_vh_update_next_freq(sg_policy->policy, sg_policy->next_freq,
+				&next_freq, delta_ns);
 		if (sg_policy->next_freq == next_freq)
 			return false;
 	} else {
@@ -162,8 +166,14 @@
 	struct cpufreq_policy *policy = sg_policy->policy;
 	unsigned int freq = arch_scale_freq_invariant() ?
 				policy->cpuinfo.max_freq : policy->cur;
+	unsigned long next_freq = 0;
 
-	freq = map_util_freq(util, freq, max);
+	trace_android_vh_map_util_freq(util, freq, max, &next_freq, policy,
+			&sg_policy->need_freq_update);
+	if (next_freq)
+		freq = next_freq;
+	else
+		freq = map_util_freq(util, freq, max);
 
 	if (freq == sg_policy->cached_raw_freq && !sg_policy->need_freq_update)
 		return sg_policy->next_freq;
@@ -277,12 +287,24 @@
 
 	return min(max, util);
 }
+EXPORT_SYMBOL_GPL(schedutil_cpu_util);
+
+unsigned long sched_cpu_util(int cpu, unsigned long max)
+{
+	return schedutil_cpu_util(cpu, cpu_util_cfs(cpu_rq(cpu)), max,
+				  ENERGY_UTIL, NULL);
+}
 
 static unsigned long sugov_get_util(struct sugov_cpu *sg_cpu)
 {
 	struct rq *rq = cpu_rq(sg_cpu->cpu);
 	unsigned long util = cpu_util_cfs(rq);
 	unsigned long max = arch_scale_cpu_capacity(sg_cpu->cpu);
+	unsigned long ret = 0;
+
+	trace_android_vh_sugov_get_util(sg_cpu->cpu, &ret);
+	if (ret)
+		return ret;
 
 	sg_cpu->max = max;
 	sg_cpu->bw_dl = cpu_bw_dl(rq);
@@ -903,36 +925,3 @@
 #endif
 
 cpufreq_governor_init(schedutil_gov);
-
-#ifdef CONFIG_ENERGY_MODEL
-extern bool sched_energy_update;
-extern struct mutex sched_energy_mutex;
-
-static void rebuild_sd_workfn(struct work_struct *work)
-{
-	mutex_lock(&sched_energy_mutex);
-	sched_energy_update = true;
-	rebuild_sched_domains();
-	sched_energy_update = false;
-	mutex_unlock(&sched_energy_mutex);
-}
-static DECLARE_WORK(rebuild_sd_work, rebuild_sd_workfn);
-
-/*
- * EAS shouldn't be attempted without sugov, so rebuild the sched_domains
- * on governor changes to make sure the scheduler knows about it.
- */
-void sched_cpufreq_governor_change(struct cpufreq_policy *policy,
-				  struct cpufreq_governor *old_gov)
-{
-	if (old_gov == &schedutil_gov || policy->governor == &schedutil_gov) {
-		/*
-		 * When called from the cpufreq_register_driver() path, the
-		 * cpu_hotplug_lock is already held, so use a work item to
-		 * avoid nested locking in rebuild_sched_domains().
-		 */
-		schedule_work(&rebuild_sd_work);
-	}
-
-}
-#endif
diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 0033731..2896860 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -41,8 +41,29 @@
 	return cpupri;
 }
 
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+/**
+ * drop_nopreempt_cpus - remove likely nonpreemptible cpus from the mask
+ * @lowest_mask: mask with selected CPUs (non-NULL)
+ */
+static void
+drop_nopreempt_cpus(struct cpumask *lowest_mask)
+{
+	unsigned int cpu = cpumask_first(lowest_mask);
+	while (cpu < nr_cpu_ids) {
+		/* unlocked access */
+		struct task_struct *task = READ_ONCE(cpu_rq(cpu)->curr);
+		if (task_may_not_preempt(task, cpu)) {
+			cpumask_clear_cpu(cpu, lowest_mask);
+		}
+		cpu = cpumask_next(cpu, lowest_mask);
+	}
+}
+#endif
+
 static inline int __cpupri_find(struct cpupri *cp, struct task_struct *p,
-				struct cpumask *lowest_mask, int idx)
+				struct cpumask *lowest_mask, int idx,
+				bool drop_nopreempts)
 {
 	struct cpupri_vec *vec  = &cp->pri_to_cpu[idx];
 	int skip = 0;
@@ -78,6 +99,12 @@
 
 	if (lowest_mask) {
 		cpumask_and(lowest_mask, p->cpus_ptr, vec->mask);
+		cpumask_and(lowest_mask, lowest_mask, cpu_active_mask);
+
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+		if (drop_nopreempts)
+			drop_nopreempt_cpus(lowest_mask);
+#endif
 
 		/*
 		 * We have to ensure that we have at least one bit
@@ -123,12 +150,16 @@
 {
 	int task_pri = convert_prio(p->prio);
 	int idx, cpu;
+	bool drop_nopreempts = task_pri <= MAX_RT_PRIO + 1;
 
 	BUG_ON(task_pri >= CPUPRI_NR_PRIORITIES);
 
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+retry:
+#endif
 	for (idx = 0; idx < task_pri; idx++) {
 
-		if (!__cpupri_find(cp, p, lowest_mask, idx))
+		if (!__cpupri_find(cp, p, lowest_mask, idx, drop_nopreempts))
 			continue;
 
 		if (!lowest_mask || !fitness_fn)
@@ -151,6 +182,17 @@
 	}
 
 	/*
+	 * If we can't find any non-preemptible cpu's, retry so we can
+	 * find the lowest priority target and avoid priority inversion.
+	 */
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+	if (drop_nopreempts) {
+		drop_nopreempts = false;
+		goto retry;
+	}
+#endif
+
+	/*
 	 * If we failed to find a fitting lowest_mask, kick off a new search
 	 * but without taking into account any fitness criteria this time.
 	 *
@@ -172,6 +214,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(cpupri_find_fitness);
 
 /**
  * cpupri_set - update the CPU priority setting
@@ -290,3 +333,17 @@
 	for (i = 0; i < CPUPRI_NR_PRIORITIES; i++)
 		free_cpumask_var(cp->pri_to_cpu[i].mask);
 }
+
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+/*
+ * cpupri_check_rt - check if CPU has a RT task
+ * should be called from rcu-sched read section.
+ */
+bool cpupri_check_rt(void)
+{
+	int cpu = raw_smp_processor_id();
+
+	return (cpu_rq(cpu)->rd->cpupri.cpu_to_pri[cpu] > CPUPRI_NORMAL) &&
+	       (cpu_rq(cpu)->rt.rt_throttled == 0);
+}
+#endif
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index ca0eef7..807b948 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -2,7 +2,9 @@
 /*
  * Simple CPU accounting cgroup controller
  */
+#include <linux/cpufreq_times.h>
 #include "sched.h"
+#include <trace/hooks/sched.h>
 
 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
 
@@ -18,6 +20,7 @@
  * compromise in place of having locks on each irq in account_system_time.
  */
 DEFINE_PER_CPU(struct irqtime, cpu_irqtime);
+EXPORT_PER_CPU_SYMBOL_GPL(cpu_irqtime);
 
 static int sched_clock_irqtime;
 
@@ -129,6 +132,9 @@
 
 	/* Account for user time used */
 	acct_account_cputime(p);
+
+	/* Account power usage for user time */
+	cpufreq_acct_update_power(p, cputime);
 }
 
 /*
@@ -173,6 +179,9 @@
 
 	/* Account for system time used */
 	acct_account_cputime(p);
+
+	/* Account power usage for system time */
+	cpufreq_acct_update_power(p, cputime);
 }
 
 /*
@@ -388,6 +397,7 @@
 	} else {
 		account_system_index_time(p, cputime, CPUTIME_SYSTEM);
 	}
+	trace_android_vh_irqtime_account_process_tick(p, this_rq(), user_tick, ticks);
 }
 
 static void irqtime_account_idle_ticks(int ticks)
@@ -460,6 +470,7 @@
 	*ut = cputime.utime;
 	*st = cputime.stime;
 }
+EXPORT_SYMBOL_GPL(thread_group_cputime_adjusted);
 
 #else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE: */
 
@@ -474,6 +485,7 @@
 
 	if (vtime_accounting_enabled_this_cpu())
 		return;
+	trace_android_vh_account_task_time(p, this_rq(), user_tick);
 
 	if (sched_clock_irqtime) {
 		irqtime_account_process_tick(p, user_tick, 1);
@@ -629,6 +641,8 @@
 	thread_group_cputime(p, &cputime);
 	cputime_adjust(&cputime, &p->signal->prev_cputime, ut, st);
 }
+EXPORT_SYMBOL_GPL(thread_group_cputime_adjusted);
+
 #endif /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index d91295d..39bfe9b 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -18,6 +18,7 @@
 #include "sched.h"
 #include "pelt.h"
 #include <linux/cpuset.h>
+#include <trace/hooks/sched.h>
 
 struct dl_bandwidth def_dl_bandwidth;
 
@@ -1679,6 +1680,11 @@
 	struct task_struct *curr;
 	bool select_rq;
 	struct rq *rq;
+	int target_cpu = -1;
+
+	trace_android_rvh_select_task_rq_dl(p, cpu, sd_flag, flags, &target_cpu);
+	if (target_cpu >= 0)
+		return target_cpu;
 
 	if (sd_flag != SD_BALANCE_WAKE)
 		goto out;
@@ -2379,9 +2385,13 @@
 	struct rq *rq;
 	struct dl_bw *dl_b;
 
-	rq = task_rq_lock(p, &rf);
-	if (!dl_task(p))
-		goto unlock;
+	raw_spin_lock_irqsave(&p->pi_lock, rf.flags);
+	if (!dl_task(p)) {
+		raw_spin_unlock_irqrestore(&p->pi_lock, rf.flags);
+		return;
+	}
+
+	rq = __task_rq_lock(p, &rf);
 
 	dl_b = &rq->rd->dl_bw;
 	raw_spin_lock(&dl_b->lock);
@@ -2390,7 +2400,6 @@
 
 	raw_spin_unlock(&dl_b->lock);
 
-unlock:
 	task_rq_unlock(rq, p, &rf);
 }
 
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index e7df4f2..f799bcb3 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -48,10 +48,11 @@
 #define SCHED_FEAT(name, enabled)	\
 	#name ,
 
-static const char * const sched_feat_names[] = {
+const char * const sched_feat_names[] = {
 #include "features.h"
 };
 
+EXPORT_SYMBOL_GPL(sched_feat_names);
 #undef SCHED_FEAT
 
 static int sched_feat_show(struct seq_file *m, void *v)
@@ -79,6 +80,7 @@
 struct static_key sched_feat_keys[__SCHED_FEAT_NR] = {
 #include "features.h"
 };
+EXPORT_SYMBOL_GPL(sched_feat_keys);
 
 #undef SCHED_FEAT
 
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 73a89fb..16f5d8f 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -22,6 +22,8 @@
  */
 #include "sched.h"
 
+#include <trace/hooks/sched.h>
+
 /*
  * Targeted preemption latency for CPU-bound tasks:
  *
@@ -36,6 +38,7 @@
  * (default: 6ms * (1 + ilog(ncpus)), units: nanoseconds)
  */
 unsigned int sysctl_sched_latency			= 6000000ULL;
+EXPORT_SYMBOL_GPL(sysctl_sched_latency);
 static unsigned int normalized_sysctl_sched_latency	= 6000000ULL;
 
 /*
@@ -57,6 +60,7 @@
  * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds)
  */
 unsigned int sysctl_sched_min_granularity			= 750000ULL;
+EXPORT_SYMBOL_GPL(sysctl_sched_min_granularity);
 static unsigned int normalized_sysctl_sched_min_granularity	= 750000ULL;
 
 /*
@@ -579,6 +583,7 @@
 	struct sched_entity *entry;
 	bool leftmost = true;
 
+	trace_android_rvh_enqueue_entity(cfs_rq, se);
 	/*
 	 * Find the right place in the rbtree:
 	 */
@@ -604,6 +609,7 @@
 
 static void __dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
 {
+	trace_android_rvh_dequeue_entity(cfs_rq, se);
 	rb_erase_cached(&se->run_node, &cfs_rq->tasks_timeline);
 }
 
@@ -831,6 +837,8 @@
 		return;
 	}
 
+	/* Hook before this se's util is attached to cfs_rq's util */
+	trace_android_rvh_post_init_entity_util_avg(se);
 	attach_entity_cfs_rq(se);
 }
 
@@ -3129,6 +3137,7 @@
 	reweight_entity(cfs_rq, se, weight);
 	load->inv_weight = sched_prio_to_wmult[prio];
 }
+EXPORT_SYMBOL_GPL(reweight_task);
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
 #ifdef CONFIG_SMP
@@ -3499,9 +3508,10 @@
 static inline void
 update_tg_cfs_load(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq *gcfs_rq)
 {
-	long delta, running_sum, runnable_sum = gcfs_rq->prop_runnable_sum;
+	long delta_avg, running_sum, runnable_sum = gcfs_rq->prop_runnable_sum;
 	unsigned long load_avg;
 	u64 load_sum = 0;
+	s64 delta_sum;
 	u32 divider;
 
 	if (!runnable_sum)
@@ -3548,13 +3558,13 @@
 	load_sum = (s64)se_weight(se) * runnable_sum;
 	load_avg = div_s64(load_sum, divider);
 
-	delta = load_avg - se->avg.load_avg;
+	delta_sum = load_sum - (s64)se_weight(se) * se->avg.load_sum;
+	delta_avg = load_avg - se->avg.load_avg;
 
 	se->avg.load_sum = runnable_sum;
 	se->avg.load_avg = load_avg;
-
-	add_positive(&cfs_rq->avg.load_avg, delta);
-	cfs_rq->avg.load_sum = cfs_rq->avg.load_avg * divider;
+	add_positive(&cfs_rq->avg.load_avg, delta_avg);
+	add_positive(&cfs_rq->avg.load_sum, delta_sum);
 }
 
 static inline void add_tg_cfs_propagate(struct cfs_rq *cfs_rq, long runnable_sum)
@@ -3670,7 +3680,7 @@
 
 		r = removed_load;
 		sub_positive(&sa->load_avg, r);
-		sa->load_sum = sa->load_avg * divider;
+		sub_positive(&sa->load_sum, r * divider);
 
 		r = removed_util;
 		sub_positive(&sa->util_avg, r);
@@ -3690,7 +3700,7 @@
 
 		r = removed_runnable;
 		sub_positive(&sa->runnable_avg, r);
-		sa->runnable_sum = sa->runnable_avg * divider;
+		sub_positive(&sa->runnable_sum, r * divider);
 
 		/*
 		 * removed_runnable is the unweighted version of removed_load so we
@@ -3754,6 +3764,8 @@
 	else
 		se->avg.load_sum = 1;
 
+	trace_android_rvh_attach_entity_load_avg(cfs_rq, se);
+
 	enqueue_load_avg(cfs_rq, se);
 	cfs_rq->avg.util_avg += se->avg.util_avg;
 	cfs_rq->avg.util_sum += se->avg.util_sum;
@@ -3777,17 +3789,13 @@
  */
 static void detach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se)
 {
-	/*
-	 * cfs_rq->avg.period_contrib can be used for both cfs_rq and se.
-	 * See ___update_load_avg() for details.
-	 */
-	u32 divider = get_pelt_divider(&cfs_rq->avg);
+	trace_android_rvh_detach_entity_load_avg(cfs_rq, se);
 
 	dequeue_load_avg(cfs_rq, se);
 	sub_positive(&cfs_rq->avg.util_avg, se->avg.util_avg);
-	cfs_rq->avg.util_sum = cfs_rq->avg.util_avg * divider;
+	sub_positive(&cfs_rq->avg.util_sum, se->avg.util_sum);
 	sub_positive(&cfs_rq->avg.runnable_avg, se->avg.runnable_avg);
-	cfs_rq->avg.runnable_sum = cfs_rq->avg.runnable_avg * divider;
+	sub_positive(&cfs_rq->avg.runnable_sum, se->avg.runnable_sum);
 
 	add_tg_cfs_propagate(cfs_rq, -se->avg.load_sum);
 
@@ -3809,6 +3817,7 @@
 	u64 now = cfs_rq_clock_pelt(cfs_rq);
 	int decayed;
 
+	trace_android_vh_prepare_update_load_avg_se(se, flags);
 	/*
 	 * Track task load average for carrying it to new CPU after migrated, and
 	 * track group sched_entity load average for task_h_load calc in migration
@@ -3816,9 +3825,13 @@
 	if (se->avg.last_update_time && !(flags & SKIP_AGE_LOAD))
 		__update_load_avg_se(now, cfs_rq, se);
 
+	trace_android_vh_finish_update_load_avg_se(se, flags);
+
 	decayed  = update_cfs_rq_load_avg(now, cfs_rq);
 	decayed |= propagate_entity_load_avg(se);
 
+	trace_android_rvh_update_load_avg(now, cfs_rq, se);
+
 	if (!se->avg.last_update_time && (flags & DO_ATTACH)) {
 
 		/*
@@ -3890,6 +3903,8 @@
 
 	sync_entity_load_avg(se);
 
+	trace_android_rvh_remove_entity_load_avg(cfs_rq, se);
+
 	raw_spin_lock_irqsave(&cfs_rq->removed.lock, flags);
 	++cfs_rq->removed.nr;
 	cfs_rq->removed.util_avg	+= se->avg.util_avg;
@@ -3927,6 +3942,31 @@
 	return max(task_util(p), _task_util_est(p));
 }
 
+#ifdef CONFIG_UCLAMP_TASK
+static inline unsigned long uclamp_task_util(struct task_struct *p,
+					     unsigned long uclamp_min,
+					     unsigned long uclamp_max)
+{
+	unsigned long min_util = uclamp_eff_value(p, UCLAMP_MIN);
+	unsigned long max_util = uclamp_eff_value(p, UCLAMP_MAX);
+	unsigned long task_util = task_util_est(p);
+	unsigned long ret = 0;
+
+	trace_android_rvh_uclamp_task_util(task_util, min_util, max_util, &ret);
+	if (ret)
+		return ret;
+
+	return clamp(task_util, uclamp_min, uclamp_max);
+}
+#else
+static inline unsigned long uclamp_task_util(struct task_struct *p,
+					     unsigned long uclamp_min,
+					     unsigned long uclamp_max)
+{
+	return task_util_est(p);
+}
+#endif
+
 static inline void util_est_enqueue(struct cfs_rq *cfs_rq,
 				    struct task_struct *p)
 {
@@ -3980,6 +4020,11 @@
 {
 	long last_ewma_diff, last_enqueued_diff;
 	struct util_est ue;
+	int ret = 0;
+
+	trace_android_rvh_util_est_update(cfs_rq, p, task_sleep, &ret);
+	if (ret)
+		return;
 
 	if (!sched_feat(UTIL_EST))
 		return;
@@ -4097,16 +4142,12 @@
 	 * For uclamp_max, we can tolerate a drop in performance level as the
 	 * goal is to cap the task. So it's okay if it's getting less.
 	 *
-	 * In case of capacity inversion we should honour the inverted capacity
-	 * for both uclamp_min and uclamp_max all the time.
+	 * In case of capacity inversion, which is not handled yet, we should
+	 * honour the inverted capacity for both uclamp_min and uclamp_max all
+	 * the time.
 	 */
-	capacity_orig = cpu_in_capacity_inversion(cpu);
-	if (capacity_orig) {
-		capacity_orig_thermal = capacity_orig;
-	} else {
-		capacity_orig = capacity_orig_of(cpu);
-		capacity_orig_thermal = capacity_orig - arch_scale_thermal_pressure(cpu);
-	}
+	capacity_orig = capacity_orig_of(cpu);
+	capacity_orig_thermal = capacity_orig - arch_scale_thermal_pressure(cpu);
 
 	/*
 	 * We want to force a task to fit a cpu as implied by uclamp_max.
@@ -4197,7 +4238,10 @@
 
 static inline void update_misfit_status(struct task_struct *p, struct rq *rq)
 {
-	if (!static_branch_unlikely(&sched_asym_cpucapacity))
+	bool need_update = true;
+
+	trace_android_rvh_update_misfit_status(p, rq, &need_update);
+	if (!static_branch_unlikely(&sched_asym_cpucapacity) || !need_update)
 		return;
 
 	if (!p || p->nr_cpus_allowed == 1) {
@@ -4566,9 +4610,14 @@
 	unsigned long ideal_runtime, delta_exec;
 	struct sched_entity *se;
 	s64 delta;
+	bool skip_preempt = false;
 
 	ideal_runtime = sched_slice(cfs_rq, curr);
 	delta_exec = curr->sum_exec_runtime - curr->prev_sum_exec_runtime;
+	trace_android_rvh_check_preempt_tick(current, &ideal_runtime, &skip_preempt,
+			delta_exec, cfs_rq, curr, sysctl_sched_min_granularity);
+	if (skip_preempt)
+		return;
 	if (delta_exec > ideal_runtime) {
 		resched_curr(rq_of(cfs_rq));
 		/*
@@ -4597,8 +4646,7 @@
 		resched_curr(rq_of(cfs_rq));
 }
 
-static void
-set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
+void set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
 {
 	/* 'current' is not kept within the tree. */
 	if (se->on_rq) {
@@ -4629,6 +4677,8 @@
 
 	se->prev_sum_exec_runtime = se->sum_exec_runtime;
 }
+EXPORT_SYMBOL_GPL(set_next_entity);
+
 
 static int
 wakeup_preempt_entity(struct sched_entity *curr, struct sched_entity *se);
@@ -4644,7 +4694,11 @@
 pick_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *curr)
 {
 	struct sched_entity *left = __pick_first_entity(cfs_rq);
-	struct sched_entity *se;
+	struct sched_entity *se = NULL;
+
+	trace_android_rvh_pick_next_entity(cfs_rq, curr, &se);
+	if (se)
+		goto done;
 
 	/*
 	 * If curr is set we have to see if its left of the leftmost entity
@@ -4686,6 +4740,7 @@
 		se = cfs_rq->last;
 	}
 
+done:
 	clear_buddies(cfs_rq, se);
 
 	return se;
@@ -4750,6 +4805,7 @@
 
 	if (cfs_rq->nr_running > 1)
 		check_preempt_tick(cfs_rq, curr);
+	trace_android_rvh_entity_tick(cfs_rq, curr);
 }
 
 
@@ -4921,7 +4977,7 @@
 
 	cfs_rq->throttle_count--;
 	if (!cfs_rq->throttle_count) {
-		cfs_rq->throttled_clock_pelt_time += rq_clock_pelt(rq) -
+		cfs_rq->throttled_clock_pelt_time += rq_clock_task_mult(rq) -
 					     cfs_rq->throttled_clock_pelt;
 
 		/* Add cfs_rq with already running entity in the list */
@@ -4939,7 +4995,7 @@
 
 	/* group is entering throttled state, stop time */
 	if (!cfs_rq->throttle_count) {
-		cfs_rq->throttled_clock_pelt = rq_clock_pelt(rq);
+		cfs_rq->throttled_clock_pelt = rq_clock_task_mult(rq);
 		list_del_leaf_cfs_rq(cfs_rq);
 	}
 	cfs_rq->throttle_count++;
@@ -5357,7 +5413,7 @@
 	pcfs_rq = tg->parent->cfs_rq[cpu];
 
 	cfs_rq->throttle_count = pcfs_rq->throttle_count;
-	cfs_rq->throttled_clock_pelt = rq_clock_pelt(cpu_rq(cpu));
+	cfs_rq->throttled_clock_pelt = rq_clock_task_mult(cpu_rq(cpu));
 }
 
 /* conditionally throttle active cfs_rq's from put_prev_entity() */
@@ -5649,6 +5705,11 @@
 {
 	unsigned long rq_util_min = uclamp_rq_get(cpu_rq(cpu), UCLAMP_MIN);
 	unsigned long rq_util_max = uclamp_rq_get(cpu_rq(cpu), UCLAMP_MAX);
+	int overutilized = -1;
+
+	trace_android_rvh_cpu_overutilized(cpu, &overutilized);
+	if (overutilized != -1)
+		return overutilized;
 
 	return !util_fits_cpu(cpu_util(cpu), rq_util_min, rq_util_max, cpu);
 }
@@ -5690,6 +5751,7 @@
 	struct sched_entity *se = &p->se;
 	int idle_h_nr_running = task_has_idle_policy(p);
 	int task_new = !(flags & ENQUEUE_WAKEUP);
+	int should_iowait_boost;
 
 	/*
 	 * The code below (indirectly) updates schedutil which looks at
@@ -5704,7 +5766,9 @@
 	 * utilization updates, so do it here explicitly with the IOWAIT flag
 	 * passed.
 	 */
-	if (p->in_iowait)
+	should_iowait_boost = p->in_iowait;
+	trace_android_rvh_set_iowait(p, &should_iowait_boost);
+	if (should_iowait_boost)
 		cpufreq_update_util(rq, SCHED_CPUFREQ_IOWAIT);
 
 	for_each_sched_entity(se) {
@@ -5723,6 +5787,7 @@
 		flags = ENQUEUE_WAKEUP;
 	}
 
+	trace_android_rvh_enqueue_task_fair(rq, p, flags);
 	for_each_sched_entity(se) {
 		cfs_rq = cfs_rq_of(se);
 
@@ -5829,6 +5894,7 @@
 		flags |= DEQUEUE_SLEEP;
 	}
 
+	trace_android_rvh_dequeue_task_fair(rq, p, flags);
 	for_each_sched_entity(se) {
 		cfs_rq = cfs_rq_of(se);
 
@@ -6721,6 +6787,7 @@
 	struct cpumask *pd_mask = perf_domain_span(pd);
 	unsigned long cpu_cap = arch_scale_cpu_capacity(cpumask_first(pd_mask));
 	unsigned long max_util = 0, sum_util = 0;
+	unsigned long energy = 0;
 	int cpu;
 
 	/*
@@ -6757,7 +6824,11 @@
 		max_util = max(max_util, cpu_util);
 	}
 
-	return em_cpu_energy(pd->em_pd, max_util, sum_util);
+	trace_android_vh_em_cpu_energy(pd->em_pd, max_util, sum_util, &energy);
+	if (!energy)
+		energy = em_cpu_energy(pd->em_pd, max_util, sum_util);
+
+	return energy;
 }
 
 /*
@@ -6799,22 +6870,41 @@
  * other use-cases too. So, until someone finds a better way to solve this,
  * let's keep things simple by re-using the existing slow path.
  */
-static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu)
+static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, int sync)
 {
 	unsigned long prev_delta = ULONG_MAX, best_delta = ULONG_MAX;
 	unsigned long p_util_min = uclamp_is_used() ? uclamp_eff_value(p, UCLAMP_MIN) : 0;
 	unsigned long p_util_max = uclamp_is_used() ? uclamp_eff_value(p, UCLAMP_MAX) : 1024;
 	struct root_domain *rd = cpu_rq(smp_processor_id())->rd;
+	int max_spare_cap_cpu_ls = prev_cpu, best_idle_cpu = -1;
+	unsigned long max_spare_cap_ls = 0, target_cap;
 	unsigned long cpu_cap, util, base_energy = 0;
+	bool boosted, latency_sensitive = false;
+	unsigned int min_exit_lat = UINT_MAX;
 	int cpu, best_energy_cpu = prev_cpu;
+	struct cpuidle_state *idle;
 	struct sched_domain *sd;
 	struct perf_domain *pd;
+	int new_cpu = INT_MAX;
+
+	sync_entity_load_avg(&p->se);
+	trace_android_rvh_find_energy_efficient_cpu(p, prev_cpu, sync, &new_cpu);
+	if (new_cpu != INT_MAX)
+		return new_cpu;
 
 	rcu_read_lock();
 	pd = rcu_dereference(rd->pd);
 	if (!pd || READ_ONCE(rd->overutilized))
 		goto fail;
 
+	cpu = smp_processor_id();
+	if (sync && cpu_rq(cpu)->nr_running == 1 &&
+	    cpumask_test_cpu(cpu, p->cpus_ptr) &&
+	    task_fits_cpu(p, cpu)) {
+		rcu_read_unlock();
+		return cpu;
+	}
+
 	/*
 	 * Energy-aware wake-up happens on the lowest sched_domain starting
 	 * from sd_asym_cpucapacity spanning over this_cpu and prev_cpu.
@@ -6825,14 +6915,17 @@
 	if (!sd)
 		goto fail;
 
-	sync_entity_load_avg(&p->se);
-	if (!task_util_est(p) && p_util_min == 0)
+	if (!uclamp_task_util(p, p_util_min, p_util_max))
 		goto unlock;
 
+	latency_sensitive = uclamp_latency_sensitive(p);
+	boosted = uclamp_boosted(p);
+	target_cap = boosted ? 0 : ULONG_MAX;
+
 	for (; pd; pd = pd->next) {
-		unsigned long util_min = p_util_min, util_max = p_util_max;
 		unsigned long cur_delta, spare_cap, max_spare_cap = 0;
 		unsigned long rq_util_min, rq_util_max;
+		unsigned long util_min, util_max;
 		unsigned long base_energy_pd;
 		int max_spare_cap_cpu = -1;
 
@@ -6841,8 +6934,6 @@
 		base_energy += base_energy_pd;
 
 		for_each_cpu_and(cpu, perf_domain_span(pd), sched_domain_span(sd)) {
-			struct rq *rq = cpu_rq(cpu);
-
 			if (!cpumask_test_cpu(cpu, p->cpus_ptr))
 				continue;
 
@@ -6858,25 +6949,30 @@
 			 * much capacity we can get out of the CPU; this is
 			 * aligned with schedutil_cpu_util().
 			 */
-			if (uclamp_is_used() && !uclamp_rq_is_idle(rq)) {
-				/*
-				 * Open code uclamp_rq_util_with() except for
-				 * the clamp() part. Ie: apply max aggregation
-				 * only. util_fits_cpu() logic requires to
-				 * operate on non clamped util but must use the
-				 * max-aggregated uclamp_{min, max}.
-				 */
-				rq_util_min = uclamp_rq_get(rq, UCLAMP_MIN);
-				rq_util_max = uclamp_rq_get(rq, UCLAMP_MAX);
+			if (uclamp_is_used()) {
+				if (uclamp_rq_is_idle(cpu_rq(cpu))) {
+					util_min = p_util_min;
+					util_max = p_util_max;
+				} else {
+					/*
+					 * Open code uclamp_rq_util_with() except for
+					 * the clamp() part. Ie: apply max aggregation
+					 * only. util_fits_cpu() logic requires to
+					 * operate on non clamped util but must use the
+					 * max-aggregated uclamp_{min, max}.
+					 */
+					rq_util_min = uclamp_rq_get(cpu_rq(cpu), UCLAMP_MIN);
+					rq_util_max = uclamp_rq_get(cpu_rq(cpu), UCLAMP_MAX);
 
-				util_min = max(rq_util_min, p_util_min);
-				util_max = max(rq_util_max, p_util_max);
+					util_min = max(rq_util_min, p_util_min);
+					util_max = max(rq_util_max, p_util_max);
+				}
 			}
 			if (!util_fits_cpu(util, util_min, util_max, cpu))
 				continue;
 
 			/* Always use prev_cpu as a candidate. */
-			if (cpu == prev_cpu) {
+			if (!latency_sensitive && cpu == prev_cpu) {
 				prev_delta = compute_energy(p, prev_cpu, pd);
 				prev_delta -= base_energy_pd;
 				best_delta = min(best_delta, prev_delta);
@@ -6890,10 +6986,34 @@
 				max_spare_cap = spare_cap;
 				max_spare_cap_cpu = cpu;
 			}
+
+			if (!latency_sensitive)
+				continue;
+
+			if (idle_cpu(cpu)) {
+				cpu_cap = capacity_orig_of(cpu);
+				if (boosted && cpu_cap < target_cap)
+					continue;
+				if (!boosted && cpu_cap > target_cap)
+					continue;
+				idle = idle_get_state(cpu_rq(cpu));
+				if (idle && idle->exit_latency > min_exit_lat &&
+						cpu_cap == target_cap)
+					continue;
+
+				if (idle)
+					min_exit_lat = idle->exit_latency;
+				target_cap = cpu_cap;
+				best_idle_cpu = cpu;
+			} else if (spare_cap > max_spare_cap_ls) {
+				max_spare_cap_ls = spare_cap;
+				max_spare_cap_cpu_ls = cpu;
+			}
 		}
 
 		/* Evaluate the energy impact of using this CPU. */
-		if (max_spare_cap_cpu >= 0 && max_spare_cap_cpu != prev_cpu) {
+		if (!latency_sensitive && max_spare_cap_cpu >= 0 &&
+						max_spare_cap_cpu != prev_cpu) {
 			cur_delta = compute_energy(p, max_spare_cap_cpu, pd);
 			cur_delta -= base_energy_pd;
 			if (cur_delta < best_delta) {
@@ -6905,6 +7025,9 @@
 unlock:
 	rcu_read_unlock();
 
+	if (latency_sensitive)
+		return best_idle_cpu >= 0 ? best_idle_cpu : max_spare_cap_cpu_ls;
+
 	/*
 	 * Pick the best CPU if prev_cpu cannot be used, or if it saves at
 	 * least 6% of the energy used by prev_cpu.
@@ -6943,12 +7066,21 @@
 	int new_cpu = prev_cpu;
 	int want_affine = 0;
 	int sync = (wake_flags & WF_SYNC) && !(current->flags & PF_EXITING);
+	int target_cpu = -1;
+
+	if (trace_android_rvh_select_task_rq_fair_enabled() &&
+	    !(sd_flag & SD_BALANCE_FORK))
+		sync_entity_load_avg(&p->se);
+	trace_android_rvh_select_task_rq_fair(p, prev_cpu, sd_flag,
+			wake_flags, &target_cpu);
+	if (target_cpu >= 0)
+		return target_cpu;
 
 	if (sd_flag & SD_BALANCE_WAKE) {
 		record_wakee(p);
 
 		if (sched_energy_enabled()) {
-			new_cpu = find_energy_efficient_cpu(p, prev_cpu);
+			new_cpu = find_energy_efficient_cpu(p, prev_cpu, sync);
 			if (new_cpu >= 0)
 				return new_cpu;
 			new_cpu = prev_cpu;
@@ -7159,9 +7291,14 @@
 	struct cfs_rq *cfs_rq = task_cfs_rq(curr);
 	int scale = cfs_rq->nr_running >= sched_nr_latency;
 	int next_buddy_marked = 0;
+	bool preempt = false, nopreempt = false;
+	bool ignore = false;
 
 	if (unlikely(se == pse))
 		return;
+	trace_android_rvh_check_preempt_wakeup_ignore(curr, &ignore);
+	if (ignore)
+		return;
 
 	/*
 	 * This is possible from callers such as attach_tasks(), in which we
@@ -7204,6 +7341,12 @@
 
 	find_matching_se(&se, &pse);
 	update_curr(cfs_rq_of(se));
+	trace_android_rvh_check_preempt_wakeup(rq, p, &preempt, &nopreempt,
+			wake_flags, se, pse, next_buddy_marked, sysctl_sched_wakeup_granularity);
+	if (preempt)
+		goto preempt;
+	if (nopreempt)
+		return;
 	BUG_ON(!pse);
 	if (wakeup_preempt_entity(se, pse) == 1) {
 		/*
@@ -7239,9 +7382,10 @@
 pick_next_task_fair(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
 {
 	struct cfs_rq *cfs_rq = &rq->cfs;
-	struct sched_entity *se;
-	struct task_struct *p;
+	struct sched_entity *se = NULL;
+	struct task_struct *p = NULL;
 	int new_tasks;
+	bool repick = false;
 
 again:
 	if (!sched_fair_runnable(rq))
@@ -7295,7 +7439,7 @@
 	} while (cfs_rq);
 
 	p = task_of(se);
-
+	trace_android_rvh_replace_next_task_fair(rq, &p, &se, &repick, false, prev);
 	/*
 	 * Since we haven't yet done put_prev_entity and if the selected task
 	 * is a different task than we started out with, try and touch the
@@ -7328,6 +7472,13 @@
 	if (prev)
 		put_prev_task(rq, prev);
 
+	trace_android_rvh_replace_next_task_fair(rq, &p, &se, &repick, true, prev);
+	if (repick) {
+		for_each_sched_entity(se)
+			set_next_entity(cfs_rq_of(se), se);
+		goto done;
+	}
+
 	do {
 		se = pick_next_entity(cfs_rq, NULL);
 		set_next_entity(cfs_rq, se);
@@ -7569,7 +7720,8 @@
  *      rewrite all of this once again.]
  */
 
-static unsigned long __read_mostly max_load_balance_interval = HZ/10;
+unsigned long __read_mostly max_load_balance_interval = HZ/10;
+EXPORT_SYMBOL_GPL(max_load_balance_interval);
 
 enum fbq_type { regular, remote, all };
 
@@ -7650,6 +7802,7 @@
 	enum fbq_type		fbq_type;
 	enum migration_type	migration_type;
 	struct list_head	tasks;
+	struct rq_flags		*src_rq_rf;
 };
 
 /*
@@ -7756,9 +7909,14 @@
 int can_migrate_task(struct task_struct *p, struct lb_env *env)
 {
 	int tsk_cache_hot;
+	int can_migrate = 1;
 
 	lockdep_assert_held(&env->src_rq->lock);
 
+	trace_android_rvh_can_migrate_task(p, env->dst_cpu, &can_migrate);
+	if (!can_migrate)
+		return 0;
+
 	/*
 	 * We do not migrate tasks that are:
 	 * 1) throttled_lb_pair, or
@@ -7839,8 +7997,20 @@
  */
 static void detach_task(struct task_struct *p, struct lb_env *env)
 {
+	int detached = 0;
+
 	lockdep_assert_held(&env->src_rq->lock);
 
+	/*
+	 * The vendor hook may drop the lock temporarily, so
+	 * pass the rq flags to unpin lock. We expect the
+	 * rq lock to be held after return.
+	 */
+	trace_android_rvh_migrate_queued_task(env->src_rq, env->src_rq_rf, p,
+					      env->dst_cpu, &detached);
+	if (detached)
+		return;
+
 	deactivate_task(env->src_rq, p, DEQUEUE_NOCLOCK);
 	set_task_cpu(p, env->dst_cpu);
 }
@@ -8151,6 +8321,8 @@
 	bool decayed = false;
 	int cpu = cpu_of(rq);
 
+	trace_android_rvh_update_blocked_fair(rq);
+
 	/*
 	 * Iterates the task_group tree in a bottom up fashion, see
 	 * list_add_leaf_cfs_rq() for details.
@@ -8361,82 +8533,16 @@
 
 static void update_cpu_capacity(struct sched_domain *sd, int cpu)
 {
-	unsigned long capacity_orig = arch_scale_cpu_capacity(cpu);
 	unsigned long capacity = scale_rt_capacity(cpu);
 	struct sched_group *sdg = sd->groups;
-	struct rq *rq = cpu_rq(cpu);
 
-	rq->cpu_capacity_orig = capacity_orig;
+	cpu_rq(cpu)->cpu_capacity_orig = arch_scale_cpu_capacity(cpu);
 
 	if (!capacity)
 		capacity = 1;
 
-	rq->cpu_capacity = capacity;
-
-	/*
-	 * Detect if the performance domain is in capacity inversion state.
-	 *
-	 * Capacity inversion happens when another perf domain with equal or
-	 * lower capacity_orig_of() ends up having higher capacity than this
-	 * domain after subtracting thermal pressure.
-	 *
-	 * We only take into account thermal pressure in this detection as it's
-	 * the only metric that actually results in *real* reduction of
-	 * capacity due to performance points (OPPs) being dropped/become
-	 * unreachable due to thermal throttling.
-	 *
-	 * We assume:
-	 *   * That all cpus in a perf domain have the same capacity_orig
-	 *     (same uArch).
-	 *   * Thermal pressure will impact all cpus in this perf domain
-	 *     equally.
-	 */
-	if (sched_energy_enabled()) {
-		unsigned long inv_cap = capacity_orig - thermal_load_avg(rq);
-		struct perf_domain *pd;
-
-		rcu_read_lock();
-
-		pd = rcu_dereference(rq->rd->pd);
-		rq->cpu_capacity_inverted = 0;
-
-		for (; pd; pd = pd->next) {
-			struct cpumask *pd_span = perf_domain_span(pd);
-			unsigned long pd_cap_orig, pd_cap;
-
-			/* We can't be inverted against our own pd */
-			if (cpumask_test_cpu(cpu_of(rq), pd_span))
-				continue;
-
-			cpu = cpumask_any(pd_span);
-			pd_cap_orig = arch_scale_cpu_capacity(cpu);
-
-			if (capacity_orig < pd_cap_orig)
-				continue;
-
-			/*
-			 * handle the case of multiple perf domains have the
-			 * same capacity_orig but one of them is under higher
-			 * thermal pressure. We record it as capacity
-			 * inversion.
-			 */
-			if (capacity_orig == pd_cap_orig) {
-				pd_cap = pd_cap_orig - thermal_load_avg(cpu_rq(cpu));
-
-				if (pd_cap > inv_cap) {
-					rq->cpu_capacity_inverted = inv_cap;
-					break;
-				}
-			} else if (pd_cap_orig > inv_cap) {
-				rq->cpu_capacity_inverted = inv_cap;
-				break;
-			}
-		}
-
-		rcu_read_unlock();
-	}
-
-	trace_sched_cpu_capacity_tp(rq);
+	cpu_rq(cpu)->cpu_capacity = capacity;
+	trace_sched_cpu_capacity_tp(cpu_rq(cpu));
 
 	sdg->sgc->capacity = capacity;
 	sdg->sgc->min_capacity = capacity;
@@ -9517,24 +9623,27 @@
 	 */
 	update_sd_lb_stats(env, &sds);
 
-	if (sched_energy_enabled()) {
-		struct root_domain *rd = env->dst_rq->rd;
-
-		if (rcu_dereference(rd->pd) && !READ_ONCE(rd->overutilized))
-			goto out_balanced;
-	}
-
-	local = &sds.local_stat;
-	busiest = &sds.busiest_stat;
-
 	/* There is no busy sibling group to pull tasks from */
 	if (!sds.busiest)
 		goto out_balanced;
 
+	busiest = &sds.busiest_stat;
+
 	/* Misfit tasks should be dealt with regardless of the avg load */
 	if (busiest->group_type == group_misfit_task)
 		goto force_balance;
 
+	if (sched_energy_enabled()) {
+		struct root_domain *rd = env->dst_rq->rd;
+		int out_balance = 1;
+
+		trace_android_rvh_find_busiest_group(sds.busiest, env->dst_rq,
+					&out_balance);
+		if (rcu_dereference(rd->pd) && !READ_ONCE(rd->overutilized)
+					&& out_balance)
+			goto out_balanced;
+	}
+
 	/* ASYM feature bypasses nice load balance check */
 	if (busiest->group_type == group_asym_packing)
 		goto force_balance;
@@ -9547,6 +9656,8 @@
 	if (busiest->group_type == group_imbalanced)
 		goto force_balance;
 
+	local = &sds.local_stat;
+
 	/*
 	 * If the local group is busier than the selected busiest group
 	 * don't try and pull any tasks.
@@ -9639,7 +9750,12 @@
 	struct rq *busiest = NULL, *rq;
 	unsigned long busiest_util = 0, busiest_load = 0, busiest_capacity = 1;
 	unsigned int busiest_nr = 0;
-	int i;
+	int i, done = 0;
+
+	trace_android_rvh_find_busiest_queue(env->dst_cpu, group, env->cpus,
+					     &busiest, &done);
+	if (done)
+		return busiest;
 
 	for_each_cpu_and(i, sched_group_span(group), env->cpus) {
 		unsigned long capacity, load, util;
@@ -9917,6 +10033,7 @@
 
 more_balance:
 		rq_lock_irqsave(busiest, &rf);
+		env.src_rq_rf = &rf;
 		update_rq_clock(busiest);
 
 		/*
@@ -10226,6 +10343,7 @@
 			 * about DST_PINNED.
 			 */
 			.flags		= LBF_DST_PINNED,
+			.src_rq_rf	= &rf,
 		};
 
 		schedstat_inc(sd->alb_count);
@@ -10261,7 +10379,7 @@
  */
 void update_max_interval(void)
 {
-	max_load_balance_interval = HZ*num_online_cpus()/10;
+	max_load_balance_interval = HZ*num_active_cpus()/10;
 }
 
 /*
@@ -10283,6 +10401,10 @@
 	int need_serialize, need_decay = 0;
 	u64 max_cost = 0;
 
+	trace_android_rvh_sched_rebalance_domains(rq, &continue_balancing);
+	if (!continue_balancing)
+		return;
+
 	rcu_read_lock();
 	for_each_domain(cpu, sd) {
 		/*
@@ -10387,7 +10509,11 @@
 
 static inline int find_new_ilb(void)
 {
-	int ilb;
+	int ilb = -1;
+
+	trace_android_rvh_find_new_ilb(nohz.idle_cpus_mask, &ilb);
+	if (ilb >= 0)
+		return ilb;
 
 	for_each_cpu_and(ilb, nohz.idle_cpus_mask,
 			      housekeeping_cpumask(HK_FLAG_MISC)) {
@@ -10445,6 +10571,7 @@
 	struct sched_domain *sd;
 	int nr_busy, i, cpu = rq->cpu;
 	unsigned int flags = 0;
+	int done = 0;
 
 	if (unlikely(rq->idle_balance))
 		return;
@@ -10469,6 +10596,10 @@
 	if (time_before(now, nohz.next_balance))
 		goto out;
 
+	trace_android_rvh_sched_nohz_balancer_kick(rq, &flags, &done);
+	if (done)
+		goto out;
+
 	if (rq->nr_running >= 2) {
 		flags = NOHZ_KICK_MASK;
 		goto out;
@@ -10605,9 +10736,20 @@
 
 	SCHED_WARN_ON(cpu != smp_processor_id());
 
-	/* If this CPU is going down, then nothing needs to be done: */
-	if (!cpu_active(cpu))
+	if (!cpu_active(cpu)) {
+		/*
+		 * A CPU can be paused while it is idle with it's tick
+		 * stopped. nohz_balance_exit_idle() should be called
+		 * from the local CPU, so it can't be called during
+		 * pause. This results in paused CPU participating in
+		 * the nohz idle balance, which should be avoided.
+		 *
+		 * When the paused CPU exits idle and enters again,
+		 * exempt the paused CPU from nohz_balance_exit_idle.
+		 */
+		nohz_balance_exit_idle(rq);
 		return;
+	}
 
 	/* Spare idle load balancing on CPUs that don't want to be disturbed: */
 	if (!housekeeping_cpu(cpu, HK_FLAG_SCHED))
@@ -10843,6 +10985,11 @@
 	struct sched_domain *sd;
 	int pulled_task = 0;
 	u64 curr_cost = 0;
+	int done = 0;
+
+	trace_android_rvh_sched_newidle_balance(this_rq, rf, &pulled_task, &done);
+	if (done)
+		return pulled_task;
 
 	update_misfit_status(NULL, this_rq);
 	/*
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index 2593a73..6dc7d9a 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -10,6 +10,8 @@
 
 #include <trace/events/power.h>
 
+#include <trace/hooks/sched.h>
+
 /* Linker adds these: start and end of __cpuidle functions */
 extern char __cpuidle_text_start[], __cpuidle_text_end[];
 
@@ -450,6 +452,8 @@
 {
 	raw_spin_unlock_irq(&rq->lock);
 	printk(KERN_ERR "bad: scheduling from the idle thread!\n");
+
+	trace_android_rvh_dequeue_task_idle(p);
 	dump_stack();
 	raw_spin_lock_irq(&rq->lock);
 }
diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c
index d2a6556..b5837e2 100644
--- a/kernel/sched/loadavg.c
+++ b/kernel/sched/loadavg.c
@@ -75,6 +75,7 @@
 	loads[1] = (avenrun[1] + offset) << shift;
 	loads[2] = (avenrun[2] + offset) << shift;
 }
+EXPORT_SYMBOL_GPL(get_avenrun);
 
 long calc_load_fold_active(struct rq *this_rq, long adjust)
 {
diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index 2c613e1..3e0d42d 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -28,6 +28,43 @@
 #include "sched.h"
 #include "pelt.h"
 
+int pelt_load_avg_period = PELT32_LOAD_AVG_PERIOD;
+int pelt_load_avg_max = PELT32_LOAD_AVG_MAX;
+EXPORT_SYMBOL_GPL(pelt_load_avg_max);
+const u32 *pelt_runnable_avg_yN_inv = pelt32_runnable_avg_yN_inv;
+
+static int __init set_pelt(char *str)
+{
+	int rc, num;
+
+	rc = kstrtoint(str, 0, &num);
+	if (rc) {
+		pr_err("%s: kstrtoint failed. rc=%d\n", __func__, rc);
+		return 0;
+	}
+
+	switch (num) {
+	case PELT8_LOAD_AVG_PERIOD:
+		pelt_load_avg_period = PELT8_LOAD_AVG_PERIOD;
+		pelt_load_avg_max = PELT8_LOAD_AVG_MAX;
+		pelt_runnable_avg_yN_inv = pelt8_runnable_avg_yN_inv;
+		pr_info("PELT half life is set to %dms\n", num);
+		break;
+	case PELT32_LOAD_AVG_PERIOD:
+		pelt_load_avg_period = PELT32_LOAD_AVG_PERIOD;
+		pelt_load_avg_max = PELT32_LOAD_AVG_MAX;
+		pelt_runnable_avg_yN_inv = pelt32_runnable_avg_yN_inv;
+		pr_info("PELT half life is set to %dms\n", num);
+		break;
+	default:
+		pr_err("Default PELT half life is 32ms\n");
+	}
+
+	return 0;
+}
+
+early_param("pelt", set_pelt);
+
 /*
  * Approximate:
  *   val * y^n,    where y^32 ~= 0.5 (~1 scheduling period)
@@ -54,7 +91,7 @@
 		local_n %= LOAD_AVG_PERIOD;
 	}
 
-	val = mul_u64_u32_shr(val, runnable_avg_yN_inv[local_n], 32);
+	val = mul_u64_u32_shr(val, pelt_runnable_avg_yN_inv[local_n], 32);
 	return val;
 }
 
@@ -180,9 +217,8 @@
  *   load_avg = u_0` + y*(u_0 + u_1*y + u_2*y^2 + ... )
  *            = u_0 + u_1*y + u_2*y^2 + ... [re-labeling u_i --> u_{i+1}]
  */
-static __always_inline int
-___update_load_sum(u64 now, struct sched_avg *sa,
-		  unsigned long load, unsigned long runnable, int running)
+int ___update_load_sum(u64 now, struct sched_avg *sa,
+		       unsigned long load, unsigned long runnable, int running)
 {
 	u64 delta;
 
@@ -232,6 +268,7 @@
 
 	return 1;
 }
+EXPORT_SYMBOL_GPL(___update_load_sum);
 
 /*
  * When syncing *_avg with *_sum, we must take into account the current
@@ -257,8 +294,7 @@
  * the period_contrib of cfs_rq when updating the sched_avg of a sched_entity
  * if it's more convenient.
  */
-static __always_inline void
-___update_load_avg(struct sched_avg *sa, unsigned long load)
+void ___update_load_avg(struct sched_avg *sa, unsigned long load)
 {
 	u32 divider = get_pelt_divider(sa);
 
@@ -269,6 +305,7 @@
 	sa->runnable_avg = div_u64(sa->runnable_sum, divider);
 	WRITE_ONCE(sa->util_avg, sa->util_sum / divider);
 }
+EXPORT_SYMBOL_GPL(___update_load_avg);
 
 /*
  * sched_entity:
@@ -306,6 +343,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(__update_load_avg_blocked_se);
 
 int __update_load_avg_se(u64 now, struct cfs_rq *cfs_rq, struct sched_entity *se)
 {
@@ -471,3 +509,45 @@
 	return ret;
 }
 #endif
+
+DEFINE_PER_CPU(u64, clock_task_mult);
+
+unsigned int sysctl_sched_pelt_multiplier = 1;
+__read_mostly unsigned int sched_pelt_lshift;
+
+int sched_pelt_multiplier(struct ctl_table *table, int write, void *buffer,
+			  size_t *lenp, loff_t *ppos)
+{
+	static DEFINE_MUTEX(mutex);
+	unsigned int old;
+	int ret;
+
+	mutex_lock(&mutex);
+
+	old = sysctl_sched_pelt_multiplier;
+	ret = proc_dointvec(table, write, buffer, lenp, ppos);
+	if (ret)
+		goto undo;
+	if (!write)
+		goto done;
+
+	switch (sysctl_sched_pelt_multiplier)  {
+	case 1:
+		fallthrough;
+	case 2:
+		fallthrough;
+	case 4:
+		WRITE_ONCE(sched_pelt_lshift,
+			   sysctl_sched_pelt_multiplier >> 1);
+		goto done;
+	default:
+		ret = -EINVAL;
+	}
+
+undo:
+	sysctl_sched_pelt_multiplier = old;
+done:
+	mutex_unlock(&mutex);
+
+	return ret;
+}
diff --git a/kernel/sched/pelt.h b/kernel/sched/pelt.h
index 89150ced..0245e3e 100644
--- a/kernel/sched/pelt.h
+++ b/kernel/sched/pelt.h
@@ -61,6 +61,8 @@
 	WRITE_ONCE(avg->util_est.enqueued, enqueued);
 }
 
+extern unsigned int sched_pelt_lshift;
+
 /*
  * The clock_pelt scales the time to reflect the effective amount of
  * computation done during the running delta time but then sync back to
@@ -75,9 +77,13 @@
  */
 static inline void update_rq_clock_pelt(struct rq *rq, s64 delta)
 {
+	delta <<= READ_ONCE(sched_pelt_lshift);
+
+	per_cpu(clock_task_mult, rq->cpu) += delta;
+
 	if (unlikely(is_idle_task(rq->curr))) {
 		/* The rq is idle, we can sync to clock_task */
-		rq->clock_pelt  = rq_clock_task(rq);
+		rq->clock_pelt = rq_clock_task_mult(rq);
 		return;
 	}
 
@@ -129,7 +135,8 @@
 	 * rq's clock_task.
 	 */
 	if (util_sum >= divider)
-		rq->lost_idle_time += rq_clock_task(rq) - rq->clock_pelt;
+		rq->lost_idle_time += rq_clock_task_mult(rq) -
+				      rq->clock_pelt;
 }
 
 static inline u64 rq_clock_pelt(struct rq *rq)
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index debaeb0..adcfc82 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -142,9 +142,12 @@
 #include <linux/psi.h>
 #include "sched.h"
 
+#include <trace/hooks/psi.h>
+
 static int psi_bug __read_mostly;
 
 DEFINE_STATIC_KEY_FALSE(psi_disabled);
+DEFINE_STATIC_KEY_TRUE(psi_cgroups_enabled);
 
 #ifdef CONFIG_PSI_DEFAULT_DISABLED
 static bool psi_enable;
@@ -192,6 +195,7 @@
 	INIT_DELAYED_WORK(&group->avgs_work, psi_avgs_work);
 	mutex_init(&group->avgs_lock);
 	/* Init trigger-related members */
+	atomic_set(&group->poll_scheduled, 0);
 	mutex_init(&group->trigger_lock);
 	INIT_LIST_HEAD(&group->triggers);
 	memset(group->nr_triggers, 0, sizeof(group->nr_triggers));
@@ -212,6 +216,9 @@
 		return;
 	}
 
+	if (!cgroup_psi_enabled())
+		static_branch_disable(&psi_cgroups_enabled);
+
 	psi_period = jiffies_to_nsecs(PSI_FREQ);
 	group_init(&psi_system);
 }
@@ -537,12 +544,16 @@
 		if (now < t->last_event_time + t->win.size)
 			continue;
 
+		trace_android_vh_psi_event(t);
+
 		/* Generate an event */
 		if (cmpxchg(&t->event, 0, 1) == 0)
 			wake_up_interruptible(&t->event_wait);
 		t->last_event_time = now;
 	}
 
+	trace_android_vh_psi_group(group);
+
 	if (new_stall)
 		memcpy(group->polling_total, total,
 				sizeof(group->polling_total));
@@ -550,18 +561,17 @@
 	return now + group->poll_min_period;
 }
 
-/* Schedule polling if it's not already scheduled. */
-static void psi_schedule_poll_work(struct psi_group *group, unsigned long delay)
+/* Schedule polling if it's not already scheduled or forced. */
+static void psi_schedule_poll_work(struct psi_group *group, unsigned long delay,
+				   bool force)
 {
 	struct task_struct *task;
 
 	/*
-	 * Do not reschedule if already scheduled.
-	 * Possible race with a timer scheduled after this check but before
-	 * mod_timer below can be tolerated because group->polling_next_update
-	 * will keep updates on schedule.
+	 * atomic_xchg should be called even when !force to provide a
+	 * full memory barrier (see the comment inside psi_poll_work).
 	 */
-	if (timer_pending(&group->poll_timer))
+	if (atomic_xchg(&group->poll_scheduled, 1) && !force)
 		return;
 
 	rcu_read_lock();
@@ -573,12 +583,15 @@
 	 */
 	if (likely(task))
 		mod_timer(&group->poll_timer, jiffies + delay);
+	else
+		atomic_set(&group->poll_scheduled, 0);
 
 	rcu_read_unlock();
 }
 
 static void psi_poll_work(struct psi_group *group)
 {
+	bool force_reschedule = false;
 	u32 changed_states;
 	u64 now;
 
@@ -586,6 +599,43 @@
 
 	now = sched_clock();
 
+	if (now > group->polling_until) {
+		/*
+		 * We are either about to start or might stop polling if no
+		 * state change was recorded. Resetting poll_scheduled leaves
+		 * a small window for psi_group_change to sneak in and schedule
+		 * an immegiate poll_work before we get to rescheduling. One
+		 * potential extra wakeup at the end of the polling window
+		 * should be negligible and polling_next_update still keeps
+		 * updates correctly on schedule.
+		 */
+		atomic_set(&group->poll_scheduled, 0);
+		/*
+		 * A task change can race with the poll worker that is supposed to
+		 * report on it. To avoid missing events, ensure ordering between
+		 * poll_scheduled and the task state accesses, such that if the poll
+		 * worker misses the state update, the task change is guaranteed to
+		 * reschedule the poll worker:
+		 *
+		 * poll worker:
+		 *   atomic_set(poll_scheduled, 0)
+		 *   smp_mb()
+		 *   LOAD states
+		 *
+		 * task change:
+		 *   STORE states
+		 *   if atomic_xchg(poll_scheduled, 1) == 0:
+		 *     schedule poll worker
+		 *
+		 * The atomic_xchg() implies a full barrier.
+		 */
+		smp_mb();
+	} else {
+		/* Polling window is not over, keep rescheduling */
+		force_reschedule = true;
+	}
+
+
 	collect_percpu_times(group, PSI_POLL, &changed_states);
 
 	if (changed_states & group->poll_states) {
@@ -611,7 +661,8 @@
 		group->polling_next_update = update_triggers(group, now);
 
 	psi_schedule_poll_work(group,
-		nsecs_to_jiffies(group->polling_next_update - now) + 1);
+		nsecs_to_jiffies(group->polling_next_update - now) + 1,
+		force_reschedule);
 
 out:
 	mutex_unlock(&group->trigger_lock);
@@ -740,7 +791,7 @@
 	write_seqcount_end(&groupc->seq);
 
 	if (state_mask & group->poll_states)
-		psi_schedule_poll_work(group, 1);
+		psi_schedule_poll_work(group, 1, false);
 
 	if (wake_clock && !delayed_work_pending(&group->avgs_work))
 		schedule_delayed_work(&group->avgs_work, PSI_FREQ);
@@ -748,23 +799,23 @@
 
 static struct psi_group *iterate_groups(struct task_struct *task, void **iter)
 {
+	if (*iter == &psi_system)
+		return NULL;
+
 #ifdef CONFIG_CGROUPS
-	struct cgroup *cgroup = NULL;
+	if (static_branch_likely(&psi_cgroups_enabled)) {
+		struct cgroup *cgroup = NULL;
 
-	if (!*iter)
-		cgroup = task->cgroups->dfl_cgrp;
-	else if (*iter == &psi_system)
-		return NULL;
-	else
-		cgroup = cgroup_parent(*iter);
+		if (!*iter)
+			cgroup = task->cgroups->dfl_cgrp;
+		else
+			cgroup = cgroup_parent(*iter);
 
-	if (cgroup && cgroup_parent(cgroup)) {
-		*iter = cgroup;
-		return cgroup_psi(cgroup);
+		if (cgroup && cgroup_parent(cgroup)) {
+			*iter = cgroup;
+			return cgroup_psi(cgroup);
+		}
 	}
-#else
-	if (*iter)
-		return NULL;
 #endif
 	*iter = &psi_system;
 	return &psi_system;
@@ -969,7 +1020,7 @@
  */
 void cgroup_move_task(struct task_struct *task, struct css_set *to)
 {
-	unsigned int task_flags = 0;
+	unsigned int task_flags;
 	struct rq_flags rf;
 	struct rq *rq;
 
@@ -984,15 +1035,31 @@
 
 	rq = task_rq_lock(task, &rf);
 
-	if (task_on_rq_queued(task)) {
-		task_flags = TSK_RUNNING;
-		if (task_current(rq, task))
-			task_flags |= TSK_ONCPU;
-	} else if (task->in_iowait)
-		task_flags = TSK_IOWAIT;
-
-	if (task->in_memstall)
-		task_flags |= TSK_MEMSTALL;
+	/*
+	 * We may race with schedule() dropping the rq lock between
+	 * deactivating prev and switching to next. Because the psi
+	 * updates from the deactivation are deferred to the switch
+	 * callback to save cgroup tree updates, the task's scheduling
+	 * state here is not coherent with its psi state:
+	 *
+	 * schedule()                   cgroup_move_task()
+	 *   rq_lock()
+	 *   deactivate_task()
+	 *     p->on_rq = 0
+	 *     psi_dequeue() // defers TSK_RUNNING & TSK_IOWAIT updates
+	 *   pick_next_task()
+	 *     rq_unlock()
+	 *                                rq_lock()
+	 *                                psi_task_change() // old cgroup
+	 *                                task->cgroups = to
+	 *                                psi_task_change() // new cgroup
+	 *                                rq_unlock()
+	 *     rq_lock()
+	 *   psi_sched_switch() // does deferred updates in new cgroup
+	 *
+	 * Don't rely on the scheduling state. Use psi_flags instead.
+	 */
+	task_flags = task->psi_flags;
 
 	if (task_flags)
 		psi_task_change(task, task_flags, 0);
@@ -1208,6 +1275,7 @@
 		 * can no longer be found through group->poll_task.
 		 */
 		kthread_stop(task_to_destroy);
+		atomic_set(&group->poll_scheduled, 0);
 	}
 	kfree(t);
 }
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index f690f90..d098649 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -7,6 +7,8 @@
 
 #include "pelt.h"
 
+#include <trace/hooks/sched.h>
+
 int sched_rr_timeslice = RR_TIMESLICE;
 int sysctl_sched_rr_timeslice = (MSEC_PER_SEC / HZ) * RR_TIMESLICE;
 /* More than 4 hours if BW_SHIFT equals 20. */
@@ -976,6 +978,13 @@
 		if (likely(rt_b->rt_runtime)) {
 			rt_rq->rt_throttled = 1;
 			printk_deferred_once("sched: RT throttling activated\n");
+
+			trace_android_vh_dump_throttled_rt_tasks(
+				raw_smp_processor_id(),
+				rq_clock(rq_of_rt_rq(rt_rq)),
+				sched_rt_period(rt_rq),
+				runtime,
+				hrtimer_get_expires_ns(&rt_b->rt_period_timer));
 		} else {
 			/*
 			 * In case we did anyway, make it go away,
@@ -1375,6 +1384,27 @@
 	enqueue_top_rt_rq(&rq->rt);
 }
 
+#ifdef CONFIG_SMP
+static inline bool should_honor_rt_sync(struct rq *rq, struct task_struct *p,
+					bool sync)
+{
+	/*
+	 * If the waker is CFS, then an RT sync wakeup would preempt the waker
+	 * and force it to run for a likely small time after the RT wakee is
+	 * done. So, only honor RT sync wakeups from RT wakers.
+	 */
+	return sync && task_has_rt_policy(rq->curr) &&
+		p->prio <= rq->rt.highest_prio.next &&
+		rq->rt.rt_nr_running <= 2;
+}
+#else
+static inline bool should_honor_rt_sync(struct rq *rq, struct task_struct *p,
+					bool sync)
+{
+	return 0;
+}
+#endif
+
 /*
  * Adding/removing a task to/from a priority array:
  */
@@ -1382,13 +1412,15 @@
 enqueue_task_rt(struct rq *rq, struct task_struct *p, int flags)
 {
 	struct sched_rt_entity *rt_se = &p->rt;
+	bool sync = !!(flags & ENQUEUE_WAKEUP_SYNC);
 
 	if (flags & ENQUEUE_WAKEUP)
 		rt_se->timeout = 0;
 
 	enqueue_rt_entity(rt_se, flags);
 
-	if (!task_current(rq, p) && p->nr_cpus_allowed > 1)
+	if (!task_current(rq, p) && p->nr_cpus_allowed > 1 &&
+	    !should_honor_rt_sync(rq, p, sync))
 		enqueue_pushable_task(rq, p);
 }
 
@@ -1439,12 +1471,43 @@
 #ifdef CONFIG_SMP
 static int find_lowest_rq(struct task_struct *task);
 
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+/*
+ * Return whether the task on the given cpu is currently non-preemptible
+ * while handling a potentially long softint, or if the task is likely
+ * to block preemptions soon because it is a ksoftirq thread that is
+ * handling slow softints.
+ */
+bool
+task_may_not_preempt(struct task_struct *task, int cpu)
+{
+	__u32 softirqs = per_cpu(active_softirqs, cpu) |
+			 __IRQ_STAT(cpu, __softirq_pending);
+
+	struct task_struct *cpu_ksoftirqd = per_cpu(ksoftirqd, cpu);
+	return ((softirqs & LONG_SOFTIRQ_MASK) &&
+		(task == cpu_ksoftirqd ||
+		 task_thread_info(task)->preempt_count & SOFTIRQ_MASK));
+}
+EXPORT_SYMBOL_GPL(task_may_not_preempt);
+#endif /* CONFIG_RT_SOFTINT_OPTIMIZATION */
+
 static int
 select_task_rq_rt(struct task_struct *p, int cpu, int sd_flag, int flags)
 {
 	struct task_struct *curr;
 	struct rq *rq;
+	struct rq *this_cpu_rq;
 	bool test;
+	int target_cpu = -1;
+	bool may_not_preempt;
+	bool sync = !!(flags & WF_SYNC);
+	int this_cpu;
+
+	trace_android_rvh_select_task_rq_rt(p, cpu, sd_flag,
+					flags, &target_cpu);
+	if (target_cpu >= 0)
+		return target_cpu;
 
 	/* For anything but wake ups, just return the task_cpu */
 	if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK)
@@ -1454,9 +1517,16 @@
 
 	rcu_read_lock();
 	curr = READ_ONCE(rq->curr); /* unlocked access */
+	this_cpu = smp_processor_id();
+	this_cpu_rq = cpu_rq(this_cpu);
 
 	/*
-	 * If the current task on @p's runqueue is an RT task, then
+	 * If the current task on @p's runqueue is a softirq task,
+	 * it may run without preemption for a time that is
+	 * ill-suited for a waiting RT task. Therefore, try to
+	 * wake this RT task on another runqueue.
+	 *
+	 * Also, if the current task on @p's runqueue is an RT task, then
 	 * try to see if we can wake this RT task up on another
 	 * runqueue. Otherwise simply start this RT task
 	 * on its current runqueue.
@@ -1481,9 +1551,19 @@
 	 * requirement of the task - which is only important on heterogeneous
 	 * systems like big.LITTLE.
 	 */
-	test = curr &&
-	       unlikely(rt_task(curr)) &&
-	       (curr->nr_cpus_allowed < 2 || curr->prio <= p->prio);
+	may_not_preempt = task_may_not_preempt(curr, cpu);
+	test = (curr && (may_not_preempt ||
+			 (unlikely(rt_task(curr)) &&
+			  (curr->nr_cpus_allowed < 2 || curr->prio <= p->prio))));
+
+	/*
+	 * Respect the sync flag as long as the task can run on this CPU.
+	 */
+	if (should_honor_rt_sync(this_cpu_rq, p, sync) &&
+	    cpumask_test_cpu(this_cpu, p->cpus_ptr)) {
+		cpu = this_cpu;
+		goto out_unlock;
+	}
 
 	if (test || !rt_task_fits_capacity(p, cpu)) {
 		int target = find_lowest_rq(p);
@@ -1496,11 +1576,14 @@
 			goto out_unlock;
 
 		/*
-		 * Don't bother moving it if the destination CPU is
+		 * If cpu is non-preemptible, prefer remote cpu
+		 * even if it's running a higher-prio task.
+		 * Otherwise: Don't bother moving it if the destination CPU is
 		 * not running a lower priority task.
 		 */
 		if (target != -1 &&
-		    p->prio < cpu_rq(target)->rt.highest_prio.curr)
+		    (may_not_preempt ||
+		     p->prio < cpu_rq(target)->rt.highest_prio.curr))
 			cpu = target;
 	}
 
@@ -1541,6 +1624,8 @@
 static int balance_rt(struct rq *rq, struct task_struct *p, struct rq_flags *rf)
 {
 	if (!on_rt_rq(&p->rt) && need_pull_rt_task(rq, p)) {
+		int done = 0;
+
 		/*
 		 * This is OK, because current is on_cpu, which avoids it being
 		 * picked for load-balance and preemption/IRQs are still
@@ -1548,7 +1633,9 @@
 		 * not yet started the picking loop.
 		 */
 		rq_unpin_lock(rq, rf);
-		pull_rt_task(rq);
+		trace_android_rvh_sched_balance_rt(rq, p, &done);
+		if (!done)
+			pull_rt_task(rq);
 		rq_repin_lock(rq, rf);
 	}
 
@@ -1601,6 +1688,7 @@
 	 */
 	if (rq->curr->sched_class != &rt_sched_class)
 		update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 0);
+	trace_android_rvh_update_rt_rq_load_avg(rq_clock_pelt(rq), rq, p, 0);
 
 	rt_queue_push_tasks(rq);
 }
@@ -1655,6 +1743,7 @@
 	update_curr_rt(rq);
 
 	update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 1);
+	trace_android_rvh_update_rt_rq_load_avg(rq_clock_pelt(rq), rq, p, 1);
 
 	/*
 	 * The previous task needs to be made eligible for pushing
@@ -1682,7 +1771,7 @@
  * Return the highest pushable rq's task, which is suitable to be executed
  * on the CPU, NULL otherwise
  */
-static struct task_struct *pick_highest_pushable_task(struct rq *rq, int cpu)
+struct task_struct *pick_highest_pushable_task(struct rq *rq, int cpu)
 {
 	struct plist_head *head = &rq->rt.pushable_tasks;
 	struct task_struct *p;
@@ -1697,6 +1786,7 @@
 
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(pick_highest_pushable_task);
 
 static DEFINE_PER_CPU(cpumask_var_t, local_cpu_mask);
 
@@ -1705,7 +1795,7 @@
 	struct sched_domain *sd;
 	struct cpumask *lowest_mask = this_cpu_cpumask_var_ptr(local_cpu_mask);
 	int this_cpu = smp_processor_id();
-	int cpu      = task_cpu(task);
+	int cpu      = -1;
 	int ret;
 
 	/* Make sure the mask is initialized first */
@@ -1730,9 +1820,15 @@
 				  task, lowest_mask);
 	}
 
+	trace_android_rvh_find_lowest_rq(task, lowest_mask, ret, &cpu);
+	if (cpu >= 0)
+		return cpu;
+
 	if (!ret)
 		return -1; /* No targets found */
 
+	cpu = task_cpu(task);
+
 	/*
 	 * At this point we have built a mask of CPUs representing the
 	 * lowest priority tasks in the system.  Now we want to elect
@@ -2411,6 +2507,7 @@
 
 	update_curr_rt(rq);
 	update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 1);
+	trace_android_rvh_update_rt_rq_load_avg(rq_clock_pelt(rq), rq, p, 1);
 
 	watchdog(rq, p);
 
diff --git a/kernel/sched/sched-pelt.h b/kernel/sched/sched-pelt.h
index c529706..92a6875 100644
--- a/kernel/sched/sched-pelt.h
+++ b/kernel/sched/sched-pelt.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /* Generated by Documentation/scheduler/sched-pelt; do not modify. */
 
-static const u32 runnable_avg_yN_inv[] __maybe_unused = {
+static const u32 pelt32_runnable_avg_yN_inv[] __maybe_unused = {
 	0xffffffff, 0xfa83b2da, 0xf5257d14, 0xefe4b99a, 0xeac0c6e6, 0xe5b906e6,
 	0xe0ccdeeb, 0xdbfbb796, 0xd744fcc9, 0xd2a81d91, 0xce248c14, 0xc9b9bd85,
 	0xc5672a10, 0xc12c4cc9, 0xbd08a39e, 0xb8fbaf46, 0xb504f333, 0xb123f581,
@@ -10,5 +10,20 @@
 	0x85aac367, 0x82cd8698,
 };
 
-#define LOAD_AVG_PERIOD 32
-#define LOAD_AVG_MAX 47742
+#define PELT32_LOAD_AVG_PERIOD 32
+#define PELT32_LOAD_AVG_MAX 47742
+
+static const u32 pelt8_runnable_avg_yN_inv[] __maybe_unused = {
+	0xffffffff, 0xeac0c6e6, 0xd744fcc9, 0xc5672a10,
+	0xb504f333, 0xa5fed6a9, 0x9837f050, 0x8b95c1e3,
+};
+
+#define PELT8_LOAD_AVG_PERIOD 8
+#define PELT8_LOAD_AVG_MAX 12336
+
+extern const u32 *pelt_runnable_avg_yN_inv;
+extern int pelt_load_avg_period;
+extern int pelt_load_avg_max;
+
+#define LOAD_AVG_PERIOD pelt_load_avg_period
+#define LOAD_AVG_MAX pelt_load_avg_max
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 8de07ab..8fcaa78 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -65,6 +65,8 @@
 #include <linux/syscalls.h>
 #include <linux/task_work.h>
 #include <linux/tsacct_kern.h>
+#include <linux/android_vendor.h>
+#include <linux/android_kabi.h>
 
 #include <asm/tlb.h>
 #include <asm-generic/vmlinux.lds.h>
@@ -77,6 +79,7 @@
 #include "cpudeadline.h"
 
 #include <trace/events/sched.h>
+#include <trace/hooks/sched.h>
 
 #ifdef CONFIG_SCHED_DEBUG
 # define SCHED_WARN_ON(x)	WARN_ONCE(x, #x)
@@ -430,8 +433,16 @@
 	struct uclamp_se	uclamp_req[UCLAMP_CNT];
 	/* Effective clamp values used for a task group */
 	struct uclamp_se	uclamp[UCLAMP_CNT];
+	/* Latency-sensitive flag used for a task group */
+	unsigned int		latency_sensitive;
+
+	ANDROID_VENDOR_DATA_ARRAY(1, 4);
 #endif
 
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
@@ -604,6 +615,8 @@
 	int			throttle_count;
 	struct list_head	throttled_list;
 #endif /* CONFIG_CFS_BANDWIDTH */
+
+	ANDROID_VENDOR_DATA_ARRAY(1, 16);
 #endif /* CONFIG_FAIR_GROUP_SCHED */
 };
 
@@ -830,6 +843,13 @@
 	 * CPUs of the rd. Protected by RCU.
 	 */
 	struct perf_domain __rcu *pd;
+
+	ANDROID_VENDOR_DATA_ARRAY(1, 4);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 extern void init_defrootdomain(void);
@@ -841,6 +861,7 @@
 #ifdef HAVE_RT_PUSH_IPI
 extern void rto_push_irq_work_func(struct irq_work *work);
 #endif
+extern struct task_struct *pick_highest_pushable_task(struct rq *rq, int cpu);
 #endif /* CONFIG_SMP */
 
 #ifdef CONFIG_UCLAMP_TASK
@@ -973,7 +994,6 @@
 
 	unsigned long		cpu_capacity;
 	unsigned long		cpu_capacity_orig;
-	unsigned long		cpu_capacity_inverted;
 
 	struct callback_head	*balance_callback;
 
@@ -1048,10 +1068,23 @@
 	unsigned int		ttwu_local;
 #endif
 
+#ifdef CONFIG_HOTPLUG_CPU
+	struct cpu_stop_work	drain;
+	struct cpu_stop_done	drain_done;
+#endif
+
 #ifdef CONFIG_CPU_IDLE
 	/* Must be inspected within a rcu lock section */
 	struct cpuidle_state	*idle_state;
 #endif
+
+	ANDROID_VENDOR_DATA_ARRAY(1, 96);
+	ANDROID_OEM_DATA_ARRAY(1, 16);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
@@ -1160,6 +1193,16 @@
 	return rq->clock_task;
 }
 
+DECLARE_PER_CPU(u64, clock_task_mult);
+
+static inline u64 rq_clock_task_mult(struct rq *rq)
+{
+	lockdep_assert_held(&rq->lock);
+	assert_clock_updated(rq);
+
+	return per_cpu(clock_task_mult, cpu_of(rq));
+}
+
 /**
  * By default the decay is the default pelt decay period.
  * The decay shift can change the decay period in
@@ -1374,8 +1417,6 @@
 };
 extern void sched_setnuma(struct task_struct *p, int node);
 extern int migrate_task_to(struct task_struct *p, int cpu);
-extern int migrate_swap(struct task_struct *p, struct task_struct *t,
-			int cpu, int scpu);
 extern void init_numa_balancing(unsigned long clone_flags, struct task_struct *p);
 #else
 static inline void
@@ -1386,6 +1427,8 @@
 
 #ifdef CONFIG_SMP
 
+extern int migrate_swap(struct task_struct *p, struct task_struct *t,
+			int cpu, int scpu);
 static inline void
 queue_balance_callback(struct rq *rq,
 		       struct callback_head *head,
@@ -1652,6 +1695,8 @@
 #undef SCHED_FEAT
 
 extern struct static_key sched_feat_keys[__SCHED_FEAT_NR];
+extern const char * const sched_feat_names[__SCHED_FEAT_NR];
+
 #define sched_feat(x) (static_branch_##x(&sched_feat_keys[__SCHED_FEAT_##x]))
 
 #else /* !CONFIG_JUMP_LABEL */
@@ -1725,6 +1770,7 @@
 #define WF_FORK			0x02		/* Child wakeup after fork */
 #define WF_MIGRATED		0x04		/* Internal use, task got migrated */
 #define WF_ON_CPU		0x08		/* Wakee is on_cpu */
+#define WF_ANDROID_VENDOR	0x1000		/* Vendor specific for Android */
 
 /*
  * To aid in avoiding the subversion of "niceness" due to uneven distribution
@@ -1778,6 +1824,8 @@
 #define ENQUEUE_MIGRATED	0x00
 #endif
 
+#define ENQUEUE_WAKEUP_SYNC	0x80
+
 #define RETRY_TASK		((void *)-1UL)
 
 struct sched_class {
@@ -1901,6 +1949,7 @@
 
 extern void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_mask);
 
+extern unsigned long __read_mostly max_load_balance_interval;
 #endif
 
 #ifdef CONFIG_CPU_IDLE
@@ -2443,6 +2492,7 @@
 {
 	unsigned long min_util = 0;
 	unsigned long max_util = 0;
+	unsigned long ret = 0;
 
 	if (!static_branch_likely(&sched_uclamp_used))
 		return util;
@@ -2470,9 +2520,18 @@
 	if (unlikely(min_util >= max_util))
 		return min_util;
 
+	trace_android_rvh_uclamp_rq_util_with(util, min_util, max_util, &ret);
+	if (ret)
+		return ret;
+
 	return clamp(util, min_util, max_util);
 }
 
+static inline bool uclamp_boosted(struct task_struct *p)
+{
+	return uclamp_eff_value(p, UCLAMP_MIN) > 0;
+}
+
 /*
  * When uclamp is compiled in, the aggregation at rq level is 'turned off'
  * by default in the fast path and only gets turned on once userspace performs
@@ -2502,6 +2561,11 @@
 	return util;
 }
 
+static inline bool uclamp_boosted(struct task_struct *p)
+{
+	return false;
+}
+
 static inline bool uclamp_is_used(void)
 {
 	return false;
@@ -2527,6 +2591,25 @@
 }
 #endif /* CONFIG_UCLAMP_TASK */
 
+#ifdef CONFIG_UCLAMP_TASK_GROUP
+static inline bool uclamp_latency_sensitive(struct task_struct *p)
+{
+	struct cgroup_subsys_state *css = task_css(p, cpu_cgrp_id);
+	struct task_group *tg;
+
+	if (!css)
+		return false;
+	tg = container_of(css, struct task_group, css);
+
+	return tg->latency_sensitive;
+}
+#else
+static inline bool uclamp_latency_sensitive(struct task_struct *p)
+{
+	return false;
+}
+#endif /* CONFIG_UCLAMP_TASK_GROUP */
+
 #ifdef arch_scale_freq_capacity
 # ifndef arch_scale_freq_invariant
 #  define arch_scale_freq_invariant()	true
@@ -2540,24 +2623,6 @@
 {
 	return cpu_rq(cpu)->cpu_capacity_orig;
 }
-
-/*
- * Returns inverted capacity if the CPU is in capacity inversion state.
- * 0 otherwise.
- *
- * Capacity inversion detection only considers thermal impact where actual
- * performance points (OPPs) gets dropped.
- *
- * Capacity inversion state happens when another performance domain that has
- * equal or lower capacity_orig_of() becomes effectively larger than the perf
- * domain this CPU belongs to due to thermal pressure throttling it hard.
- *
- * See comment in update_cpu_capacity().
- */
-static inline unsigned long cpu_in_capacity_inversion(int cpu)
-{
-	return cpu_rq(cpu)->cpu_capacity_inverted;
-}
 #endif
 
 /**
@@ -2707,3 +2772,15 @@
 
 void swake_up_all_locked(struct swait_queue_head *q);
 void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait);
+
+/*
+ * task_may_not_preempt - check whether a task may not be preemptible soon
+ */
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+extern bool task_may_not_preempt(struct task_struct *task, int cpu);
+#else
+static inline bool task_may_not_preempt(struct task_struct *task, int cpu)
+{
+	return false;
+}
+#endif /* CONFIG_RT_SOFTINT_OPTIMIZATION */
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index ff2c6d3..9227887 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -4,7 +4,12 @@
  */
 #include "sched.h"
 
+#include <trace/hooks/sched.h>
+
 DEFINE_MUTEX(sched_domains_mutex);
+#ifdef CONFIG_LOCKDEP
+EXPORT_SYMBOL_GPL(sched_domains_mutex);
+#endif
 
 /* Protected by sched_domains_mutex: */
 static cpumask_var_t sched_domains_tmpmask;
@@ -323,7 +328,6 @@
  *    2. the SD_ASYM_CPUCAPACITY flag is set in the sched_domain hierarchy.
  *    3. no SMT is detected.
  *    4. the EM complexity is low enough to keep scheduling overheads low;
- *    5. schedutil is driving the frequency of all CPUs of the rd;
  *
  * The complexity of the Energy Model is defined as:
  *
@@ -343,21 +347,23 @@
  */
 #define EM_MAX_COMPLEXITY 2048
 
-extern struct cpufreq_governor schedutil_gov;
 static bool build_perf_domains(const struct cpumask *cpu_map)
 {
 	int i, nr_pd = 0, nr_ps = 0, nr_cpus = cpumask_weight(cpu_map);
 	struct perf_domain *pd = NULL, *tmp;
 	int cpu = cpumask_first(cpu_map);
 	struct root_domain *rd = cpu_rq(cpu)->rd;
-	struct cpufreq_policy *policy;
-	struct cpufreq_governor *gov;
+	bool eas_check = false;
 
 	if (!sysctl_sched_energy_aware)
 		goto free;
 
-	/* EAS is enabled for asymmetric CPU capacity topologies. */
-	if (!per_cpu(sd_asym_cpucapacity, cpu)) {
+	/*
+	 * EAS is enabled for asymmetric CPU capacity topologies.
+	 * Allow vendor to override if desired.
+	 */
+	trace_android_rvh_build_perf_domains(&eas_check);
+	if (!per_cpu(sd_asym_cpucapacity, cpu) && !eas_check) {
 		if (sched_debug()) {
 			pr_info("rd %*pbl: CPUs do not have asymmetric capacities\n",
 					cpumask_pr_args(cpu_map));
@@ -377,19 +383,6 @@
 		if (find_pd(pd, i))
 			continue;
 
-		/* Do not attempt EAS if schedutil is not being used. */
-		policy = cpufreq_cpu_get(i);
-		if (!policy)
-			goto free;
-		gov = policy->governor;
-		cpufreq_cpu_put(policy);
-		if (gov != &schedutil_gov) {
-			if (rd->pd)
-				pr_warn("rd %*pbl: Disabling EAS, schedutil is mandatory\n",
-						cpumask_pr_args(cpu_map));
-			goto free;
-		}
-
 		/* Create the new pd and add it to the local list. */
 		tmp = pd_init(i);
 		if (!tmp)
@@ -2067,6 +2060,7 @@
 		pr_info("root domain span: %*pbl (max cpu_capacity = %lu)\n",
 			cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity);
 	}
+	trace_android_vh_build_sched_domains(has_asym);
 
 	ret = 0;
 error:
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index a55642a..0ce7aae 100644
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -5,6 +5,7 @@
  * (C) 2004 Nadia Yvette Chambers, Oracle
  */
 #include "sched.h"
+#include <trace/hooks/sched.h>
 
 void __init_waitqueue_head(struct wait_queue_head *wq_head, const char *name, struct lock_class_key *key)
 {
@@ -184,10 +185,13 @@
 void __wake_up_sync_key(struct wait_queue_head *wq_head, unsigned int mode,
 			void *key)
 {
+	int wake_flags = WF_SYNC;
+
 	if (unlikely(!wq_head))
 		return;
 
-	__wake_up_common_lock(wq_head, mode, 1, WF_SYNC, key);
+	trace_android_vh_set_wake_flags(&wake_flags, &mode);
+	__wake_up_common_lock(wq_head, mode, 1, wake_flags, key);
 }
 EXPORT_SYMBOL_GPL(__wake_up_sync_key);
 
@@ -396,7 +400,8 @@
 }
 EXPORT_SYMBOL(finish_wait);
 
-int autoremove_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key)
+__sched int autoremove_wake_function(struct wait_queue_entry *wq_entry, unsigned int mode,
+				     int sync, void *key)
 {
 	int ret = default_wake_function(wq_entry, mode, sync, key);
 
@@ -407,9 +412,9 @@
 }
 EXPORT_SYMBOL(autoremove_wake_function);
 
-static inline bool is_kthread_should_stop(void)
+static inline bool is_kthread_should_stop_or_park(void)
 {
-	return (current->flags & PF_KTHREAD) && kthread_should_stop();
+	return (current->flags & PF_KTHREAD) && (kthread_should_stop() || kthread_should_park());
 }
 
 /*
@@ -432,7 +437,7 @@
  * }						smp_mb(); // C
  * remove_wait_queue(&wq_head, &wait);		wq_entry->flags |= WQ_FLAG_WOKEN;
  */
-long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout)
+__sched long wait_woken(struct wait_queue_entry *wq_entry, unsigned int mode, long timeout)
 {
 	/*
 	 * The below executes an smp_mb(), which matches with the full barrier
@@ -441,7 +446,7 @@
 	 * or woken_wake_function() sees our store to current->state.
 	 */
 	set_current_state(mode); /* A */
-	if (!(wq_entry->flags & WQ_FLAG_WOKEN) && !is_kthread_should_stop())
+	if (!(wq_entry->flags & WQ_FLAG_WOKEN) && !is_kthread_should_stop_or_park())
 		timeout = schedule_timeout(timeout);
 	__set_current_state(TASK_RUNNING);
 
@@ -457,7 +462,8 @@
 }
 EXPORT_SYMBOL(wait_woken);
 
-int woken_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key)
+__sched int woken_wake_function(struct wait_queue_entry *wq_entry, unsigned int mode,
+				int sync, void *key)
 {
 	/* Pairs with the smp_store_mb() in wait_woken(). */
 	smp_mb(); /* C */
diff --git a/kernel/scs.c b/kernel/scs.c
index 4ff4a7b..b7e1b09 100644
--- a/kernel/scs.c
+++ b/kernel/scs.c
@@ -5,26 +5,53 @@
  * Copyright (C) 2019 Google LLC
  */
 
+#include <linux/cpuhotplug.h>
 #include <linux/kasan.h>
 #include <linux/mm.h>
 #include <linux/scs.h>
-#include <linux/slab.h>
+#include <linux/vmalloc.h>
 #include <linux/vmstat.h>
 
-static struct kmem_cache *scs_cache;
-
 static void __scs_account(void *s, int account)
 {
-	struct page *scs_page = virt_to_page(s);
+	struct page *scs_page = vmalloc_to_page(s);
 
 	mod_node_page_state(page_pgdat(scs_page), NR_KERNEL_SCS_KB,
 			    account * (SCS_SIZE / SZ_1K));
 }
 
-static void *scs_alloc(int node)
-{
-	void *s = kmem_cache_alloc_node(scs_cache, GFP_SCS, node);
+/* Matches NR_CACHED_STACKS for VMAP_STACK */
+#define NR_CACHED_SCS 2
+static DEFINE_PER_CPU(void *, scs_cache[NR_CACHED_SCS]);
 
+static void *__scs_alloc(int node)
+{
+	int i;
+	void *s;
+
+	for (i = 0; i < NR_CACHED_SCS; i++) {
+		s = this_cpu_xchg(scs_cache[i], NULL);
+		if (s) {
+			s = kasan_unpoison_vmalloc(s, SCS_SIZE,
+						   KASAN_VMALLOC_PROT_NORMAL);
+			memset(s, 0, SCS_SIZE);
+			goto out;
+		}
+	}
+
+	s = __vmalloc_node_range(SCS_SIZE, 1, VMALLOC_START, VMALLOC_END,
+				    GFP_SCS, PAGE_KERNEL, 0, node,
+				    __builtin_return_address(0));
+
+out:
+	return kasan_reset_tag(s);
+}
+
+void *scs_alloc(int node)
+{
+	void *s;
+
+	s = __scs_alloc(node);
 	if (!s)
 		return NULL;
 
@@ -34,21 +61,48 @@
 	 * Poison the allocation to catch unintentional accesses to
 	 * the shadow stack when KASAN is enabled.
 	 */
-	kasan_poison_object_data(scs_cache, s);
+	kasan_poison_vmalloc(s, SCS_SIZE);
 	__scs_account(s, 1);
 	return s;
 }
 
-static void scs_free(void *s)
+void scs_free(void *s)
 {
+	int i;
+
 	__scs_account(s, -1);
-	kasan_unpoison_object_data(scs_cache, s);
-	kmem_cache_free(scs_cache, s);
+
+	/*
+	 * We cannot sleep as this can be called in interrupt context,
+	 * so use this_cpu_cmpxchg to update the cache, and vfree_atomic
+	 * to free the stack.
+	 */
+
+	for (i = 0; i < NR_CACHED_SCS; i++)
+		if (this_cpu_cmpxchg(scs_cache[i], 0, s) == NULL)
+			return;
+
+	kasan_unpoison_vmalloc(s, SCS_SIZE, KASAN_VMALLOC_PROT_NORMAL);
+	vfree_atomic(s);
+}
+
+static int scs_cleanup(unsigned int cpu)
+{
+	int i;
+	void **cache = per_cpu_ptr(scs_cache, cpu);
+
+	for (i = 0; i < NR_CACHED_SCS; i++) {
+		vfree(cache[i]);
+		cache[i] = NULL;
+	}
+
+	return 0;
 }
 
 void __init scs_init(void)
 {
-	scs_cache = kmem_cache_create("scs_cache", SCS_SIZE, 0, 0, NULL);
+	cpuhp_setup_state(CPUHP_BP_PREPARE_DYN, "scs:scs_cache", NULL,
+			  scs_cleanup);
 }
 
 int scs_prepare(struct task_struct *tsk, int node)
diff --git a/kernel/seccomp.c b/kernel/seccomp.c
index 305f0ec..d9619fe 100644
--- a/kernel/seccomp.c
+++ b/kernel/seccomp.c
@@ -143,6 +143,38 @@
 	struct list_head notifications;
 };
 
+#ifdef SECCOMP_ARCH_NATIVE
+/**
+ * struct action_cache - per-filter cache of seccomp actions per
+ * arch/syscall pair
+ *
+ * @allow_native: A bitmap where each bit represents whether the
+ *		  filter will always allow the syscall, for the
+ *		  native architecture.
+ * @allow_compat: A bitmap where each bit represents whether the
+ *		  filter will always allow the syscall, for the
+ *		  compat architecture.
+ */
+struct action_cache {
+	DECLARE_BITMAP(allow_native, SECCOMP_ARCH_NATIVE_NR);
+#ifdef SECCOMP_ARCH_COMPAT
+	DECLARE_BITMAP(allow_compat, SECCOMP_ARCH_COMPAT_NR);
+#endif
+};
+#else
+struct action_cache { };
+
+static inline bool seccomp_cache_check_allow(const struct seccomp_filter *sfilter,
+					     const struct seccomp_data *sd)
+{
+	return false;
+}
+
+static inline void seccomp_cache_prepare(struct seccomp_filter *sfilter)
+{
+}
+#endif /* SECCOMP_ARCH_NATIVE */
+
 /**
  * struct seccomp_filter - container for seccomp BPF programs
  *
@@ -159,6 +191,7 @@
  *	   this filter after reaching 0. The @users count is always smaller
  *	   or equal to @refs. Hence, reaching 0 for @users does not mean
  *	   the filter can be freed.
+ * @cache: cache of arch/syscall mappings to actions
  * @log: true if all actions except for SECCOMP_RET_ALLOW should be logged
  * @prev: points to a previously installed, or inherited, filter
  * @prog: the BPF program to evaluate
@@ -180,6 +213,7 @@
 	refcount_t refs;
 	refcount_t users;
 	bool log;
+	struct action_cache cache;
 	struct seccomp_filter *prev;
 	struct bpf_prog *prog;
 	struct notification *notif;
@@ -298,6 +332,52 @@
 	return 0;
 }
 
+#ifdef SECCOMP_ARCH_NATIVE
+static inline bool seccomp_cache_check_allow_bitmap(const void *bitmap,
+						    size_t bitmap_size,
+						    int syscall_nr)
+{
+	if (unlikely(syscall_nr < 0 || syscall_nr >= bitmap_size))
+		return false;
+	syscall_nr = array_index_nospec(syscall_nr, bitmap_size);
+
+	return test_bit(syscall_nr, bitmap);
+}
+
+/**
+ * seccomp_cache_check_allow - lookup seccomp cache
+ * @sfilter: The seccomp filter
+ * @sd: The seccomp data to lookup the cache with
+ *
+ * Returns true if the seccomp_data is cached and allowed.
+ */
+static inline bool seccomp_cache_check_allow(const struct seccomp_filter *sfilter,
+					     const struct seccomp_data *sd)
+{
+	int syscall_nr = sd->nr;
+	const struct action_cache *cache = &sfilter->cache;
+
+#ifndef SECCOMP_ARCH_COMPAT
+	/* A native-only architecture doesn't need to check sd->arch. */
+	return seccomp_cache_check_allow_bitmap(cache->allow_native,
+						SECCOMP_ARCH_NATIVE_NR,
+						syscall_nr);
+#else
+	if (likely(sd->arch == SECCOMP_ARCH_NATIVE))
+		return seccomp_cache_check_allow_bitmap(cache->allow_native,
+							SECCOMP_ARCH_NATIVE_NR,
+							syscall_nr);
+	if (likely(sd->arch == SECCOMP_ARCH_COMPAT))
+		return seccomp_cache_check_allow_bitmap(cache->allow_compat,
+							SECCOMP_ARCH_COMPAT_NR,
+							syscall_nr);
+#endif /* SECCOMP_ARCH_COMPAT */
+
+	WARN_ON_ONCE(true);
+	return false;
+}
+#endif /* SECCOMP_ARCH_NATIVE */
+
 /**
  * seccomp_run_filters - evaluates all seccomp filters against @sd
  * @sd: optional seccomp data to be passed to filters
@@ -320,6 +400,9 @@
 	if (WARN_ON(f == NULL))
 		return SECCOMP_RET_KILL_PROCESS;
 
+	if (seccomp_cache_check_allow(f, sd))
+		return SECCOMP_RET_ALLOW;
+
 	/*
 	 * All filters in the list are evaluated and the lowest BPF return
 	 * value always takes priority (ignoring the DATA).
@@ -544,7 +627,12 @@
 {
 	struct seccomp_filter *sfilter;
 	int ret;
-	const bool save_orig = IS_ENABLED(CONFIG_CHECKPOINT_RESTORE);
+	const bool save_orig =
+#if defined(CONFIG_CHECKPOINT_RESTORE) || defined(SECCOMP_ARCH_NATIVE)
+		true;
+#else
+		false;
+#endif
 
 	if (fprog->len == 0 || fprog->len > BPF_MAXINSNS)
 		return ERR_PTR(-EINVAL);
@@ -609,6 +697,148 @@
 	return filter;
 }
 
+#ifdef SECCOMP_ARCH_NATIVE
+/**
+ * seccomp_is_const_allow - check if filter is constant allow with given data
+ * @fprog: The BPF programs
+ * @sd: The seccomp data to check against, only syscall number and arch
+ *      number are considered constant.
+ */
+static bool seccomp_is_const_allow(struct sock_fprog_kern *fprog,
+				   struct seccomp_data *sd)
+{
+	unsigned int reg_value = 0;
+	unsigned int pc;
+	bool op_res;
+
+	if (WARN_ON_ONCE(!fprog))
+		return false;
+
+	for (pc = 0; pc < fprog->len; pc++) {
+		struct sock_filter *insn = &fprog->filter[pc];
+		u16 code = insn->code;
+		u32 k = insn->k;
+
+		switch (code) {
+		case BPF_LD | BPF_W | BPF_ABS:
+			switch (k) {
+			case offsetof(struct seccomp_data, nr):
+				reg_value = sd->nr;
+				break;
+			case offsetof(struct seccomp_data, arch):
+				reg_value = sd->arch;
+				break;
+			default:
+				/* can't optimize (non-constant value load) */
+				return false;
+			}
+			break;
+		case BPF_RET | BPF_K:
+			/* reached return with constant values only, check allow */
+			return k == SECCOMP_RET_ALLOW;
+		case BPF_JMP | BPF_JA:
+			pc += insn->k;
+			break;
+		case BPF_JMP | BPF_JEQ | BPF_K:
+		case BPF_JMP | BPF_JGE | BPF_K:
+		case BPF_JMP | BPF_JGT | BPF_K:
+		case BPF_JMP | BPF_JSET | BPF_K:
+			switch (BPF_OP(code)) {
+			case BPF_JEQ:
+				op_res = reg_value == k;
+				break;
+			case BPF_JGE:
+				op_res = reg_value >= k;
+				break;
+			case BPF_JGT:
+				op_res = reg_value > k;
+				break;
+			case BPF_JSET:
+				op_res = !!(reg_value & k);
+				break;
+			default:
+				/* can't optimize (unknown jump) */
+				return false;
+			}
+
+			pc += op_res ? insn->jt : insn->jf;
+			break;
+		case BPF_ALU | BPF_AND | BPF_K:
+			reg_value &= k;
+			break;
+		default:
+			/* can't optimize (unknown insn) */
+			return false;
+		}
+	}
+
+	/* ran off the end of the filter?! */
+	WARN_ON(1);
+	return false;
+}
+
+static void seccomp_cache_prepare_bitmap(struct seccomp_filter *sfilter,
+					 void *bitmap, const void *bitmap_prev,
+					 size_t bitmap_size, int arch)
+{
+	struct sock_fprog_kern *fprog = sfilter->prog->orig_prog;
+	struct seccomp_data sd;
+	int nr;
+
+	if (bitmap_prev) {
+		/* The new filter must be as restrictive as the last. */
+		bitmap_copy(bitmap, bitmap_prev, bitmap_size);
+	} else {
+		/* Before any filters, all syscalls are always allowed. */
+		bitmap_fill(bitmap, bitmap_size);
+	}
+
+	for (nr = 0; nr < bitmap_size; nr++) {
+		/* No bitmap change: not a cacheable action. */
+		if (!test_bit(nr, bitmap))
+			continue;
+
+		sd.nr = nr;
+		sd.arch = arch;
+
+		/* No bitmap change: continue to always allow. */
+		if (seccomp_is_const_allow(fprog, &sd))
+			continue;
+
+		/*
+		 * Not a cacheable action: always run filters.
+		 * atomic clear_bit() not needed, filter not visible yet.
+		 */
+		__clear_bit(nr, bitmap);
+	}
+}
+
+/**
+ * seccomp_cache_prepare - emulate the filter to find cachable syscalls
+ * @sfilter: The seccomp filter
+ *
+ * Returns 0 if successful or -errno if error occurred.
+ */
+static void seccomp_cache_prepare(struct seccomp_filter *sfilter)
+{
+	struct action_cache *cache = &sfilter->cache;
+	const struct action_cache *cache_prev =
+		sfilter->prev ? &sfilter->prev->cache : NULL;
+
+	seccomp_cache_prepare_bitmap(sfilter, cache->allow_native,
+				     cache_prev ? cache_prev->allow_native : NULL,
+				     SECCOMP_ARCH_NATIVE_NR,
+				     SECCOMP_ARCH_NATIVE);
+
+#ifdef SECCOMP_ARCH_COMPAT
+	seccomp_cache_prepare_bitmap(sfilter, cache->allow_compat,
+				     cache_prev ? cache_prev->allow_compat : NULL,
+				     SECCOMP_ARCH_COMPAT_NR,
+				     SECCOMP_ARCH_COMPAT);
+#endif /* SECCOMP_ARCH_COMPAT */
+}
+#endif /* SECCOMP_ARCH_NATIVE */
+
 /**
  * seccomp_attach_filter: validate and attach filter
  * @flags:  flags to change filter behavior
@@ -658,6 +888,7 @@
 	 * task reference.
 	 */
 	filter->prev = current->seccomp.filter;
+	seccomp_cache_prepare(filter);
 	current->seccomp.filter = filter;
 	atomic_inc(&current->seccomp.filter_count);
 
@@ -1971,7 +2202,7 @@
 	return true;
 }
 
-static int read_actions_logged(struct ctl_table *ro_table, void __user *buffer,
+static int read_actions_logged(struct ctl_table *ro_table, void *buffer,
 			       size_t *lenp, loff_t *ppos)
 {
 	char names[sizeof(seccomp_actions_avail)];
@@ -1989,7 +2220,7 @@
 	return proc_dostring(&table, 0, buffer, lenp, ppos);
 }
 
-static int write_actions_logged(struct ctl_table *ro_table, void __user *buffer,
+static int write_actions_logged(struct ctl_table *ro_table, void *buffer,
 				size_t *lenp, loff_t *ppos, u32 *actions_logged)
 {
 	char names[sizeof(seccomp_actions_avail)];
diff --git a/kernel/signal.c b/kernel/signal.c
index e487c46..bf5717a 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -46,6 +46,7 @@
 #include <linux/livepatch.h>
 #include <linux/cgroup.h>
 #include <linux/audit.h>
+#include <linux/oom.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/signal.h>
@@ -56,6 +57,8 @@
 #include <asm/siginfo.h>
 #include <asm/cacheflush.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/signal.h>
 /*
  * SLAB caches for signal bits.
  */
@@ -1286,7 +1289,7 @@
 {
 	unsigned long flags;
 	int ret = -ESRCH;
-
+	trace_android_vh_do_send_sig_info(sig, current, p);
 	if (lock_task_sighand(p, &flags)) {
 		ret = send_signal(sig, info, p, type);
 		unlock_task_sighand(p, &flags);
@@ -1410,8 +1413,16 @@
 	ret = check_kill_permission(sig, info, p);
 	rcu_read_unlock();
 
-	if (!ret && sig)
+	if (!ret && sig) {
 		ret = do_send_sig_info(sig, info, p, type);
+		if (!ret && sig == SIGKILL) {
+			bool reap = false;
+
+			trace_android_vh_process_killed(current, &reap);
+			if (reap)
+				add_to_oom_reaper(p);
+		}
+	}
 
 	return ret;
 }
@@ -2514,6 +2525,26 @@
 	return signr;
 }
 
+static void hide_si_addr_tag_bits(struct ksignal *ksig)
+{
+	switch (siginfo_layout(ksig->sig, ksig->info.si_code)) {
+	case SIL_FAULT:
+	case SIL_FAULT_MCEERR:
+	case SIL_FAULT_BNDERR:
+	case SIL_FAULT_PKUERR:
+		ksig->info.si_addr = arch_untagged_si_addr(
+			ksig->info.si_addr, ksig->sig, ksig->info.si_code);
+		break;
+	case SIL_KILL:
+	case SIL_TIMER:
+	case SIL_POLL:
+	case SIL_CHLD:
+	case SIL_RT:
+	case SIL_SYS:
+		break;
+	}
+}
+
 bool get_signal(struct ksignal *ksig)
 {
 	struct sighand_struct *sighand = current->sighand;
@@ -2754,6 +2785,10 @@
 	spin_unlock_irq(&sighand->siglock);
 out:
 	ksig->sig = signr;
+
+	if (!(ksig->ka.sa.sa_flags & SA_EXPOSE_TAGBITS))
+		hide_si_addr_tag_bits(ksig);
+
 	return ksig->sig > 0;
 }
 
@@ -3978,6 +4013,22 @@
 	if (oact)
 		*oact = *k;
 
+	/*
+	 * Make sure that we never accidentally claim to support SA_UNSUPPORTED,
+	 * e.g. by having an architecture use the bit in their uapi.
+	 */
+	BUILD_BUG_ON(UAPI_SA_FLAGS & SA_UNSUPPORTED);
+
+	/*
+	 * Clear unknown flag bits in order to allow userspace to detect missing
+	 * support for flag bits and to allow the kernel to use non-uapi bits
+	 * internally.
+	 */
+	if (act)
+		act->sa.sa_flags &= UAPI_SA_FLAGS;
+	if (oact)
+		oact->sa.sa_flags &= UAPI_SA_FLAGS;
+
 	sigaction_compat_abi(act, oact);
 
 	if (act) {
diff --git a/kernel/smp.c b/kernel/smp.c
index b0684b4..d5b2697 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -24,6 +24,7 @@
 #include <linux/sched/clock.h>
 #include <linux/nmi.h>
 #include <linux/sched/debug.h>
+#include <linux/suspend.h>
 
 #include "smpboot.h"
 #include "sched/smp.h"
@@ -957,13 +958,37 @@
 		if (cpu == smp_processor_id())
 			continue;
 
-		wake_up_if_idle(cpu);
+#if IS_ENABLED(CONFIG_SUSPEND)
+		if (s2idle_state == S2IDLE_STATE_ENTER || cpu_active(cpu))
+#endif
+			wake_up_if_idle(cpu);
 	}
 	preempt_enable();
 }
 EXPORT_SYMBOL_GPL(wake_up_all_idle_cpus);
 
 /**
+ * wake_up_all_online_idle_cpus - break all online cpus out of idle
+ * wake_up_all_online_idle_cpus try to break all online cpus which is in idle
+ * state even including idle polling cpus, for non-idle cpus, we will do nothing
+ * for them.
+ */
+void wake_up_all_online_idle_cpus(void)
+{
+	int cpu;
+
+	preempt_disable();
+	for_each_online_cpu(cpu) {
+		if (cpu == smp_processor_id())
+			continue;
+
+		wake_up_if_idle(cpu);
+	}
+	preempt_enable();
+}
+EXPORT_SYMBOL_GPL(wake_up_all_online_idle_cpus);
+
+/**
  * smp_call_on_cpu - Call a function on a specific cpu
  *
  * Used to call a function on a specific cpu and wait for it to return.
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 09229ad..1528a36 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -29,6 +29,13 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/irq.h>
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(softirq_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(softirq_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(tasklet_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(tasklet_exit);
+
 /*
    - No shared variables, all the data are CPU local.
    - If a softirq needs serialization, let it serialize itself
@@ -55,6 +62,14 @@
 static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp;
 
 DEFINE_PER_CPU(struct task_struct *, ksoftirqd);
+EXPORT_PER_CPU_SYMBOL_GPL(ksoftirqd);
+
+/*
+ * active_softirqs -- per cpu, a mask of softirqs that are being handled,
+ * with the expectation that approximate answers are acceptable and therefore
+ * no synchronization.
+ */
+DEFINE_PER_CPU(__u32, active_softirqs);
 
 const char * const softirq_to_name[NR_SOFTIRQS] = {
 	"HI", "TIMER", "NET_TX", "NET_RX", "BLOCK", "IRQ_POLL",
@@ -77,22 +92,6 @@
 }
 
 /*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness,
- * unless we're doing some of the synchronous softirqs.
- */
-#define SOFTIRQ_NOW_MASK ((1 << HI_SOFTIRQ) | (1 << TASKLET_SOFTIRQ))
-static bool ksoftirqd_running(unsigned long pending)
-{
-	struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
-	if (pending & SOFTIRQ_NOW_MASK)
-		return false;
-	return tsk && (tsk->state == TASK_RUNNING) &&
-		!__kthread_should_park(tsk);
-}
-
-/*
  * preempt_count and SOFTIRQ_OFFSET usage:
  * - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
  *   softirq processing.
@@ -252,6 +251,16 @@
 static inline void lockdep_softirq_end(bool in_hardirq) { }
 #endif
 
+#define softirq_deferred_for_rt(pending)		\
+({							\
+	__u32 deferred = 0;				\
+	if (cpupri_check_rt()) {			\
+		deferred = pending & LONG_SOFTIRQ_MASK; \
+		pending &= ~LONG_SOFTIRQ_MASK;		\
+	}						\
+	deferred;					\
+})
+
 asmlinkage __visible void __softirq_entry __do_softirq(void)
 {
 	unsigned long end = jiffies + MAX_SOFTIRQ_TIME;
@@ -259,6 +268,7 @@
 	int max_restart = MAX_SOFTIRQ_RESTART;
 	struct softirq_action *h;
 	bool in_hardirq;
+	__u32 deferred;
 	__u32 pending;
 	int softirq_bit;
 
@@ -270,14 +280,15 @@
 	current->flags &= ~PF_MEMALLOC;
 
 	pending = local_softirq_pending();
+	deferred = softirq_deferred_for_rt(pending);
 	account_irq_enter_time(current);
-
 	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
 	in_hardirq = lockdep_softirq_start();
 
 restart:
 	/* Reset the pending bitmask before enabling irqs */
-	set_softirq_pending(0);
+	set_softirq_pending(deferred);
+	__this_cpu_write(active_softirqs, pending);
 
 	local_irq_enable();
 
@@ -307,19 +318,23 @@
 		pending >>= softirq_bit;
 	}
 
+	__this_cpu_write(active_softirqs, 0);
 	if (__this_cpu_read(ksoftirqd) == current)
 		rcu_softirq_qs();
 	local_irq_disable();
 
 	pending = local_softirq_pending();
+	deferred = softirq_deferred_for_rt(pending);
+
 	if (pending) {
 		if (time_before(jiffies, end) && !need_resched() &&
 		    --max_restart)
 			goto restart;
-
-		wakeup_softirqd();
 	}
 
+	if (pending | deferred)
+		wakeup_softirqd();
+
 	lockdep_softirq_end(in_hardirq);
 	account_irq_exit_time(current);
 	__local_bh_enable(SOFTIRQ_OFFSET);
@@ -339,7 +354,7 @@
 
 	pending = local_softirq_pending();
 
-	if (pending && !ksoftirqd_running(pending))
+	if (pending)
 		do_softirq_own_stack();
 
 	local_irq_restore(flags);
@@ -373,9 +388,6 @@
 
 static inline void invoke_softirq(void)
 {
-	if (ksoftirqd_running(local_softirq_pending()))
-		return;
-
 	if (!force_irqthreads) {
 #ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
 		/*
@@ -554,10 +566,15 @@
 				if (!test_and_clear_bit(TASKLET_STATE_SCHED,
 							&t->state))
 					BUG();
-				if (t->use_callback)
+				if (t->use_callback) {
+					trace_tasklet_entry(t->callback);
 					t->callback(t);
-				else
+					trace_tasklet_exit(t->callback);
+				} else {
+					trace_tasklet_entry(t->func);
 					t->func(t->data);
+					trace_tasklet_exit(t->func);
+				}
 				tasklet_unlock(t);
 				continue;
 			}
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 9f8117c..c44c157 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -150,6 +150,7 @@
 	put_task_stack(tsk);
 	return c.len;
 }
+EXPORT_SYMBOL_GPL(stack_trace_save_tsk);
 
 /**
  * stack_trace_save_regs - Save a stack trace based on pt_regs into a storage array
@@ -173,6 +174,7 @@
 	arch_stack_walk(consume_entry, &c, current, regs);
 	return c.len;
 }
+EXPORT_SYMBOL_GPL(stack_trace_save_regs);
 
 #ifdef CONFIG_HAVE_RELIABLE_STACKTRACE
 /**
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 890b79cf..c65cfb7 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -22,16 +22,7 @@
 #include <linux/atomic.h>
 #include <linux/nmi.h>
 #include <linux/sched/wake_q.h>
-
-/*
- * Structure to determine completion condition and record errors.  May
- * be shared by works on different cpus.
- */
-struct cpu_stop_done {
-	atomic_t		nr_todo;	/* nr left to execute */
-	int			ret;		/* collected return value */
-	struct completion	completion;	/* fired if nr_todo reaches 0 */
-};
+#include <linux/slab.h>
 
 /* the actual stopper, one per every possible cpu, enabled on online cpus */
 struct cpu_stopper {
@@ -370,6 +361,55 @@
 	*work_buf = (struct cpu_stop_work){ .fn = fn, .arg = arg, };
 	return cpu_stop_queue_work(cpu, work_buf);
 }
+EXPORT_SYMBOL_GPL(stop_one_cpu_nowait);
+
+/**
+ * stop_one_cpu_async - stop a cpu and wait for completion in a separated
+ *			function: stop_wait_work()
+ * @cpu: cpu to stop
+ * @fn: function to execute
+ * @arg: argument to @fn
+ * @work_buf: pointer to cpu_stop_work structure
+ *
+ * CONTEXT:
+ * Might sleep.
+ *
+ * RETURNS:
+ * 0 if cpu_stop_work was queued successfully and @fn will be called.
+ * ENOENT if @fn(@arg) was not executed because @cpu was offline.
+ */
+int stop_one_cpu_async(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
+		       struct cpu_stop_work *work_buf,
+		       struct cpu_stop_done *done)
+{
+	cpu_stop_init_done(done, 1);
+
+	work_buf->done = done;
+	work_buf->fn = fn;
+	work_buf->arg = arg;
+
+	if (cpu_stop_queue_work(cpu, work_buf))
+		return 0;
+
+	work_buf->done = NULL;
+
+	return -ENOENT;
+}
+
+/**
+ * cpu_stop_work_wait - wait for a stop initiated by stop_one_cpu_async().
+ * @work_buf: pointer to cpu_stop_work structure
+ *
+ * CONTEXT:
+ * Might sleep.
+ */
+void cpu_stop_work_wait(struct cpu_stop_work *work_buf)
+{
+	struct cpu_stop_done *done = work_buf->done;
+
+	wait_for_completion(&done->completion);
+	work_buf->done = NULL;
+}
 
 static bool queue_stop_cpus_work(const struct cpumask *cpumask,
 				 cpu_stop_fn_t fn, void *arg,
diff --git a/kernel/sys.c b/kernel/sys.c
index bff1491..0ef0625 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -7,6 +7,7 @@
 
 #include <linux/export.h>
 #include <linux/mm.h>
+#include <linux/mm_inline.h>
 #include <linux/utsname.h>
 #include <linux/mman.h>
 #include <linux/reboot.h>
@@ -74,6 +75,8 @@
 
 #include "uid16.h"
 
+#include <trace/hooks/sys.h>
+
 #ifndef SET_UNALIGN_CTL
 # define SET_UNALIGN_CTL(a, b)	(-EINVAL)
 #endif
@@ -119,6 +122,12 @@
 #ifndef PAC_RESET_KEYS
 # define PAC_RESET_KEYS(a, b)	(-EINVAL)
 #endif
+#ifndef PAC_SET_ENABLED_KEYS
+# define PAC_SET_ENABLED_KEYS(a, b, c)	(-EINVAL)
+#endif
+#ifndef PAC_GET_ENABLED_KEYS
+# define PAC_GET_ENABLED_KEYS(a)	(-EINVAL)
+#endif
 #ifndef SET_TAGGED_ADDR_CTRL
 # define SET_TAGGED_ADDR_CTRL(a)	(-EINVAL)
 #endif
@@ -2286,6 +2295,70 @@
 
 #define PR_IO_FLUSHER (PF_MEMALLOC_NOIO | PF_LOCAL_THROTTLE)
 
+#ifdef CONFIG_ANON_VMA_NAME
+
+#define ANON_VMA_NAME_MAX_LEN		256
+#define ANON_VMA_NAME_INVALID_CHARS	"\\`$[]"
+
+static inline bool is_valid_name_char(char ch)
+{
+	/* printable ascii characters, excluding ANON_VMA_NAME_INVALID_CHARS */
+	return ch > 0x1f && ch < 0x7f &&
+		!strchr(ANON_VMA_NAME_INVALID_CHARS, ch);
+}
+
+static int prctl_set_vma(unsigned long opt, unsigned long addr,
+			 unsigned long size, unsigned long arg)
+{
+	struct mm_struct *mm = current->mm;
+	const char __user *uname;
+	struct anon_vma_name *anon_name = NULL;
+	int error;
+
+	switch (opt) {
+	case PR_SET_VMA_ANON_NAME:
+		uname = (const char __user *)arg;
+		if (uname) {
+			char *name, *pch;
+
+			name = strndup_user(uname, ANON_VMA_NAME_MAX_LEN);
+			if (IS_ERR(name))
+				return PTR_ERR(name);
+
+			for (pch = name; *pch != '\0'; pch++) {
+				if (!is_valid_name_char(*pch)) {
+					kfree(name);
+					return -EINVAL;
+				}
+			}
+			/* anon_vma has its own copy */
+			anon_name = anon_vma_name_alloc(name);
+			kfree(name);
+			if (!anon_name)
+				return -ENOMEM;
+
+		}
+
+		mmap_write_lock(mm);
+		error = madvise_set_anon_name(mm, addr, size, anon_name);
+		mmap_write_unlock(mm);
+		anon_vma_name_put(anon_name);
+		break;
+	default:
+		error = -EINVAL;
+	}
+
+	return error;
+}
+
+#else /* CONFIG_ANON_VMA_NAME */
+static int prctl_set_vma(unsigned long opt, unsigned long start,
+			 unsigned long size, unsigned long arg)
+{
+	return -EINVAL;
+}
+#endif /* CONFIG_ANON_VMA_NAME */
+
 SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
 		unsigned long, arg4, unsigned long, arg5)
 {
@@ -2503,6 +2576,16 @@
 			return -EINVAL;
 		error = PAC_RESET_KEYS(me, arg2);
 		break;
+	case PR_PAC_SET_ENABLED_KEYS:
+		if (arg4 || arg5)
+			return -EINVAL;
+		error = PAC_SET_ENABLED_KEYS(me, arg2, arg3);
+		break;
+	case PR_PAC_GET_ENABLED_KEYS:
+		if (arg2 || arg3 || arg4 || arg5)
+			return -EINVAL;
+		error = PAC_GET_ENABLED_KEYS(me);
+		break;
 	case PR_SET_TAGGED_ADDR_CTRL:
 		if (arg3 || arg4 || arg5)
 			return -EINVAL;
@@ -2536,10 +2619,14 @@
 
 		error = (current->flags & PR_IO_FLUSHER) == PR_IO_FLUSHER;
 		break;
+	case PR_SET_VMA:
+		error = prctl_set_vma(arg2, arg3, arg4, arg5);
+		break;
 	default:
 		error = -EINVAL;
 		break;
 	}
+	trace_android_vh_syscall_prctl_finished(option, me);
 	return error;
 }
 
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index cdecd47..762218c 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -282,6 +282,7 @@
 COND_SYSCALL(mincore);
 COND_SYSCALL(madvise);
 COND_SYSCALL(process_madvise);
+COND_SYSCALL(process_mrelease);
 COND_SYSCALL(remap_file_pages);
 COND_SYSCALL(mbind);
 COND_SYSCALL_COMPAT(mbind);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index a45f0dd..1f15eb8 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -106,6 +106,8 @@
 
 #if defined(CONFIG_SYSCTL)
 
+/* External variables not in a header file. */
+
 /* Constants used for minimum and  maximum */
 #ifdef CONFIG_LOCKUP_DETECTOR
 static int sixty = 60;
@@ -1888,6 +1890,15 @@
 		.mode		= 0644,
 		.proc_handler	= sched_rr_handler,
 	},
+#ifdef CONFIG_SMP
+	{
+		.procname	= "sched_pelt_multiplier",
+		.data		= &sysctl_sched_pelt_multiplier,
+		.maxlen		= sizeof(unsigned int),
+		.mode		= 0644,
+		.proc_handler	= sched_pelt_multiplier,
+	},
+#endif
 #ifdef CONFIG_UCLAMP_TASK
 	{
 		.procname	= "sched_util_clamp_min",
@@ -2934,7 +2945,7 @@
 		.data		= &sysctl_compaction_proactiveness,
 		.maxlen		= sizeof(sysctl_compaction_proactiveness),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec_minmax,
+		.proc_handler	= compaction_proactiveness_sysctl_handler,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE_HUNDRED,
 	},
diff --git a/kernel/task_work.c b/kernel/task_work.c
index e931619..1698fbe 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -34,6 +34,9 @@
 {
 	struct callback_head *head;
 
+	/* record the work call stack in order to print it in KASAN reports */
+	kasan_record_aux_stack(work);
+
 	do {
 		head = READ_ONCE(task->task_works);
 		if (unlikely(head == &work_exited))
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 86e0fbe..7fd99cb 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -1108,6 +1108,8 @@
 
 	clocksource_arch_init(cs);
 
+	if (WARN_ON_ONCE((unsigned int)cs->id >= CSID_MAX))
+		cs->id = CSID_GENERIC;
 	if (cs->vdso_clock_mode < 0 ||
 	    cs->vdso_clock_mode >= VDSO_CLOCKMODE_MAX) {
 		pr_warn("clocksource %s registered with invalid VDSO mode %d. Disabling VDSO support.\n",
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index ede09dd..70deb2f 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -2114,22 +2114,29 @@
 	}
 }
 
-int hrtimers_cpu_dying(unsigned int dying_cpu)
+int hrtimers_dead_cpu(unsigned int scpu)
 {
 	struct hrtimer_cpu_base *old_base, *new_base;
-	int i, ncpu = cpumask_first(cpu_active_mask);
+	int i;
 
-	tick_cancel_sched_timer(dying_cpu);
+	BUG_ON(cpu_online(scpu));
+	tick_cancel_sched_timer(scpu);
 
-	old_base = this_cpu_ptr(&hrtimer_bases);
-	new_base = &per_cpu(hrtimer_bases, ncpu);
-
+	/*
+	 * this BH disable ensures that raise_softirq_irqoff() does
+	 * not wakeup ksoftirqd (and acquire the pi-lock) while
+	 * holding the cpu_base lock
+	 */
+	local_bh_disable();
+	local_irq_disable();
+	old_base = &per_cpu(hrtimer_bases, scpu);
+	new_base = this_cpu_ptr(&hrtimer_bases);
 	/*
 	 * The caller is globally serialized and nobody else
 	 * takes two locks at once, deadlock is not possible.
 	 */
-	raw_spin_lock(&old_base->lock);
-	raw_spin_lock_nested(&new_base->lock, SINGLE_DEPTH_NESTING);
+	raw_spin_lock(&new_base->lock);
+	raw_spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING);
 
 	for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) {
 		migrate_hrtimer_list(&old_base->clock_base[i],
@@ -2140,13 +2147,15 @@
 	 * The migration might have changed the first expiring softirq
 	 * timer on this CPU. Update it.
 	 */
-	__hrtimer_get_next_event(new_base, HRTIMER_ACTIVE_SOFT);
-	/* Tell the other CPU to retrigger the next event */
-	smp_call_function_single(ncpu, retrigger_next_event, NULL, 0);
+	hrtimer_update_softirq_timer(new_base, false);
 
-	raw_spin_unlock(&new_base->lock);
 	raw_spin_unlock(&old_base->lock);
+	raw_spin_unlock(&new_base->lock);
 
+	/* Check, if we got expired work to do */
+	__hrtimer_peek_ahead_timers();
+	local_irq_enable();
+	local_bh_enable();
 	return 0;
 }
 
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 29569b1..6d12a72 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -140,30 +140,25 @@
 static int posix_timer_add(struct k_itimer *timer)
 {
 	struct signal_struct *sig = current->signal;
+	int first_free_id = sig->posix_timer_id;
 	struct hlist_head *head;
-	unsigned int cnt, id;
+	int ret = -ENOENT;
 
-	/*
-	 * FIXME: Replace this by a per signal struct xarray once there is
-	 * a plan to handle the resulting CRIU regression gracefully.
-	 */
-	for (cnt = 0; cnt <= INT_MAX; cnt++) {
+	do {
 		spin_lock(&hash_lock);
-		id = sig->next_posix_timer_id;
-
-		/* Write the next ID back. Clamp it to the positive space */
-		sig->next_posix_timer_id = (id + 1) & INT_MAX;
-
-		head = &posix_timers_hashtable[hash(sig, id)];
-		if (!__posix_timers_find(head, sig, id)) {
+		head = &posix_timers_hashtable[hash(sig, sig->posix_timer_id)];
+		if (!__posix_timers_find(head, sig, sig->posix_timer_id)) {
 			hlist_add_head_rcu(&timer->t_hash, head);
-			spin_unlock(&hash_lock);
-			return id;
+			ret = sig->posix_timer_id;
 		}
+		if (++sig->posix_timer_id < 0)
+			sig->posix_timer_id = 0;
+		if ((sig->posix_timer_id == first_free_id) && (ret == -ENOENT))
+			/* Loop over all possible ids completed */
+			ret = -EAGAIN;
 		spin_unlock(&hash_lock);
-	}
-	/* POSIX return code when no timer ID could be allocated */
-	return -EAGAIN;
+	} while (ret == -ENOENT);
+	return ret;
 }
 
 static inline void unlock_timer(struct k_itimer *timr, unsigned long flags)
diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index b1b9b12..d5ab3fb 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -16,6 +16,7 @@
 #include <linux/sched_clock.h>
 #include <linux/seqlock.h>
 #include <linux/bitops.h>
+#include <trace/hooks/epoch.h>
 
 #include "timekeeping.h"
 
@@ -270,6 +271,7 @@
 	update_sched_clock();
 	hrtimer_cancel(&sched_clock_timer);
 	rd->read_sched_clock = suspended_sched_clock_read;
+	trace_android_vh_show_suspend_epoch_val(rd->epoch_ns, rd->epoch_cyc);
 
 	return 0;
 }
@@ -281,6 +283,7 @@
 	rd->epoch_cyc = cd.actual_read_sched_clock();
 	hrtimer_start(&sched_clock_timer, cd.wrap_kt, HRTIMER_MODE_REL_HARD);
 	rd->read_sched_clock = cd.actual_read_sched_clock;
+	trace_android_vh_show_resume_epoch_val(rd->epoch_cyc);
 }
 
 static struct syscore_ops sched_clock_ops = {
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index a9530e8..b7b50e2 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -33,6 +33,8 @@
 static __cacheline_aligned_in_smp DEFINE_RAW_SPINLOCK(tick_broadcast_lock);
 
 #ifdef CONFIG_TICK_ONESHOT
+static DEFINE_PER_CPU(struct clock_event_device *, tick_oneshot_wakeup_device);
+
 static void tick_broadcast_setup_oneshot(struct clock_event_device *bc);
 static void tick_broadcast_clear_oneshot(int cpu);
 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc);
@@ -61,6 +63,13 @@
 	return tick_broadcast_mask;
 }
 
+static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu);
+
+const struct clock_event_device *tick_get_wakeup_device(int cpu)
+{
+	return tick_get_oneshot_wakeup_device(cpu);
+}
+
 /*
  * Start the device in periodic mode
  */
@@ -88,13 +97,75 @@
 	return !curdev || newdev->rating > curdev->rating;
 }
 
+#ifdef CONFIG_TICK_ONESHOT
+static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu)
+{
+	return per_cpu(tick_oneshot_wakeup_device, cpu);
+}
+
+static void tick_oneshot_wakeup_handler(struct clock_event_device *wd)
+{
+	/*
+	 * If we woke up early and the tick was reprogrammed in the
+	 * meantime then this may be spurious but harmless.
+	 */
+	tick_receive_broadcast();
+}
+
+static bool tick_set_oneshot_wakeup_device(struct clock_event_device *newdev,
+					   int cpu)
+{
+	struct clock_event_device *curdev = tick_get_oneshot_wakeup_device(cpu);
+
+	if (!newdev)
+		goto set_device;
+
+	if ((newdev->features & CLOCK_EVT_FEAT_DUMMY) ||
+	    (newdev->features & CLOCK_EVT_FEAT_C3STOP))
+		 return false;
+
+	if (!(newdev->features & CLOCK_EVT_FEAT_PERCPU) ||
+	    !(newdev->features & CLOCK_EVT_FEAT_ONESHOT))
+		return false;
+
+	if (!cpumask_equal(newdev->cpumask, cpumask_of(cpu)))
+		return false;
+
+	if (curdev && newdev->rating <= curdev->rating)
+		return false;
+
+	if (!try_module_get(newdev->owner))
+		return false;
+
+	newdev->event_handler = tick_oneshot_wakeup_handler;
+set_device:
+	clockevents_exchange_device(curdev, newdev);
+	per_cpu(tick_oneshot_wakeup_device, cpu) = newdev;
+	return true;
+}
+#else
+static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu)
+{
+	return NULL;
+}
+
+static bool tick_set_oneshot_wakeup_device(struct clock_event_device *newdev,
+					   int cpu)
+{
+	return false;
+}
+#endif
+
 /*
  * Conditionally install/replace broadcast device
  */
-void tick_install_broadcast_device(struct clock_event_device *dev)
+void tick_install_broadcast_device(struct clock_event_device *dev, int cpu)
 {
 	struct clock_event_device *cur = tick_broadcast_device.evtdev;
 
+	if (tick_set_oneshot_wakeup_device(dev, cpu))
+		return;
+
 	if (!tick_check_broadcast_device(cur, dev))
 		return;
 
@@ -107,6 +178,19 @@
 	tick_broadcast_device.evtdev = dev;
 	if (!cpumask_empty(tick_broadcast_mask))
 		tick_broadcast_start_periodic(dev);
+
+	if (!(dev->features & CLOCK_EVT_FEAT_ONESHOT))
+		return;
+
+	/*
+	 * If the system already runs in oneshot mode, switch the newly
+	 * registered broadcast device to oneshot mode explicitly.
+	 */
+	if (tick_broadcast_oneshot_active()) {
+		tick_broadcast_switch_to_oneshot();
+		return;
+	}
+
 	/*
 	 * Inform all cpus about this. We might be in a situation
 	 * where we did not switch to oneshot mode because the per cpu
@@ -115,8 +199,7 @@
 	 * notification the systems stays stuck in periodic mode
 	 * forever.
 	 */
-	if (dev->features & CLOCK_EVT_FEAT_ONESHOT)
-		tick_clock_notify();
+	tick_clock_notify();
 }
 
 /*
@@ -241,7 +324,6 @@
 	return ret;
 }
 
-#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
 int tick_receive_broadcast(void)
 {
 	struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
@@ -256,7 +338,6 @@
 	evt->event_handler(evt);
 	return 0;
 }
-#endif
 
 /*
  * Broadcast the event to the cpus, which are set in the mask (mangled).
@@ -707,24 +788,16 @@
 	clockevents_switch_state(dev, CLOCK_EVT_STATE_SHUTDOWN);
 }
 
-int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
+static int ___tick_broadcast_oneshot_control(enum tick_broadcast_state state,
+					     struct tick_device *td,
+					     int cpu)
 {
-	struct clock_event_device *bc, *dev;
-	int cpu, ret = 0;
+	struct clock_event_device *bc, *dev = td->evtdev;
+	int ret = 0;
 	ktime_t now;
 
-	/*
-	 * If there is no broadcast device, tell the caller not to go
-	 * into deep idle.
-	 */
-	if (!tick_broadcast_device.evtdev)
-		return -EBUSY;
-
-	dev = this_cpu_ptr(&tick_cpu_device)->evtdev;
-
 	raw_spin_lock(&tick_broadcast_lock);
 	bc = tick_broadcast_device.evtdev;
-	cpu = smp_processor_id();
 
 	if (state == TICK_BROADCAST_ENTER) {
 		/*
@@ -853,6 +926,53 @@
 	return ret;
 }
 
+static int tick_oneshot_wakeup_control(enum tick_broadcast_state state,
+				       struct tick_device *td,
+				       int cpu)
+{
+	struct clock_event_device *dev, *wd;
+
+	dev = td->evtdev;
+	if (td->mode != TICKDEV_MODE_ONESHOT)
+		return -EINVAL;
+
+	wd = tick_get_oneshot_wakeup_device(cpu);
+	if (!wd)
+		return -ENODEV;
+
+	switch (state) {
+	case TICK_BROADCAST_ENTER:
+		clockevents_switch_state(dev, CLOCK_EVT_STATE_ONESHOT_STOPPED);
+		clockevents_switch_state(wd, CLOCK_EVT_STATE_ONESHOT);
+		clockevents_program_event(wd, dev->next_event, 1);
+		break;
+	case TICK_BROADCAST_EXIT:
+		/* We may have transitioned to oneshot mode while idle */
+		if (clockevent_get_state(wd) != CLOCK_EVT_STATE_ONESHOT)
+			return -ENODEV;
+	}
+
+	return 0;
+}
+
+int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
+{
+	struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
+	int cpu = smp_processor_id();
+
+	if (!tick_oneshot_wakeup_control(state, td, cpu))
+		return 0;
+
+	if (tick_broadcast_device.evtdev)
+		return ___tick_broadcast_oneshot_control(state, td, cpu);
+
+	/*
+	 * If there is no broadcast or wakeup device, tell the caller not
+	 * to go into deep idle.
+	 */
+	return -EBUSY;
+}
+
 /*
  * Reset the one shot broadcast for a cpu
  *
@@ -962,6 +1082,9 @@
  */
 static void tick_broadcast_oneshot_offline(unsigned int cpu)
 {
+	if (tick_get_oneshot_wakeup_device(cpu))
+		tick_set_oneshot_wakeup_device(NULL, cpu);
+
 	/*
 	 * Clear the broadcast masks for the dead cpu, but do not stop
 	 * the broadcast device!
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index e883d12..c6a79c4 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -17,6 +17,7 @@
 #include <linux/sched.h>
 #include <linux/module.h>
 #include <trace/events/power.h>
+#include <trace/hooks/sched.h>
 
 #include <asm/irq_regs.h>
 
@@ -93,6 +94,7 @@
 		write_seqcount_end(&jiffies_seq);
 		raw_spin_unlock(&jiffies_lock);
 		update_wall_time();
+		trace_android_vh_jiffies_update(NULL);
 	}
 
 	update_process_times(user_mode(get_irq_regs()));
@@ -375,7 +377,7 @@
 	/*
 	 * Can the new device be used as a broadcast device ?
 	 */
-	tick_install_broadcast_device(newdev);
+	tick_install_broadcast_device(newdev, cpu);
 }
 
 /**
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index e61c124..cd610fa 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -61,7 +61,7 @@
 /* Broadcasting support */
 # ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
 extern int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu);
-extern void tick_install_broadcast_device(struct clock_event_device *dev);
+extern void tick_install_broadcast_device(struct clock_event_device *dev, int cpu);
 extern int tick_is_broadcast_device(struct clock_event_device *dev);
 extern void tick_suspend_broadcast(void);
 extern void tick_resume_broadcast(void);
@@ -71,8 +71,9 @@
 extern int tick_broadcast_update_freq(struct clock_event_device *dev, u32 freq);
 extern struct tick_device *tick_get_broadcast_device(void);
 extern struct cpumask *tick_get_broadcast_mask(void);
+extern const struct clock_event_device *tick_get_wakeup_device(int cpu);
 # else /* !CONFIG_GENERIC_CLOCKEVENTS_BROADCAST: */
-static inline void tick_install_broadcast_device(struct clock_event_device *dev) { }
+static inline void tick_install_broadcast_device(struct clock_event_device *dev, int cpu) { }
 static inline int tick_is_broadcast_device(struct clock_event_device *dev) { return 0; }
 static inline int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) { return 0; }
 static inline void tick_do_periodic_broadcast(struct clock_event_device *d) { }
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index bc00ab0..cf7f4cb 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -25,6 +25,7 @@
 #include <linux/posix-timers.h>
 #include <linux/context_tracking.h>
 #include <linux/mm.h>
+#include <trace/hooks/sched.h>
 
 #include <asm/irq_regs.h>
 
@@ -174,8 +175,10 @@
 #endif
 
 	/* Check, if the jiffies need an update */
-	if (tick_do_timer_cpu == cpu)
+	if (tick_do_timer_cpu == cpu) {
 		tick_do_update_jiffies64(now);
+		trace_android_vh_jiffies_update(NULL);
+	}
 
 	/*
 	 * If jiffies update stalled for too long (timekeeper in stop_machine()
@@ -1167,6 +1170,7 @@
 
 	return ktime_sub(next_event, now);
 }
+EXPORT_SYMBOL_GPL(tick_nohz_get_sleep_length);
 
 /**
  * tick_nohz_get_idle_calls_cpu - return the current idle calls counter value
@@ -1180,6 +1184,7 @@
 
 	return ts->idle_calls;
 }
+EXPORT_SYMBOL_GPL(tick_nohz_get_idle_calls_cpu);
 
 /**
  * tick_nohz_get_idle_calls - return the current idle calls counter value
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 3985b2b..5fe2cc0 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -686,6 +686,7 @@
 	return div_u64(x * 9, (9ull * NSEC_PER_SEC + (USER_HZ / 2)) / USER_HZ);
 #endif
 }
+EXPORT_SYMBOL_GPL(nsec_to_clock_t);
 
 u64 jiffies64_to_nsecs(u64 j)
 {
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index d9b48f7..630d00f 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1055,6 +1055,7 @@
 	do {
 		seq = read_seqcount_begin(&tk_core.seq);
 		now = tk_clock_read(&tk->tkr_mono);
+		systime_snapshot->cs_id = tk->tkr_mono.clock->id;
 		systime_snapshot->cs_was_changed_seq = tk->cs_was_changed_seq;
 		systime_snapshot->clock_was_set_seq = tk->clock_was_set_seq;
 		base_real = ktime_add(tk->tkr_mono.base,
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index e87e638..f5147bd 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -55,6 +55,11 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/timer.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/timer.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(hrtimer_expire_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(hrtimer_expire_exit);
 
 __visible u64 jiffies_64 __cacheline_aligned_in_smp = INITIAL_JIFFIES;
 
@@ -502,6 +507,7 @@
 	 *
 	 * Round up with level granularity to prevent this.
 	 */
+	trace_android_vh_timer_calc_index(lvl, &expires);
 	expires = (expires + LVL_GRAN(lvl)) >> LVL_SHIFT(lvl);
 	*bucket_expiry = expires << LVL_SHIFT(lvl);
 	return LVL_OFFS(lvl) + (expires & LVL_MASK);
@@ -2050,6 +2056,32 @@
 EXPORT_SYMBOL(msleep_interruptible);
 
 /**
+ * usleep_range_state - Sleep for an approximate time in a given state
+ * @min:	Minimum time in usecs to sleep
+ * @max:	Maximum time in usecs to sleep
+ * @state:	State of the current task that will be while sleeping
+ *
+ * In non-atomic context where the exact wakeup time is flexible, use
+ * usleep_range_state() instead of udelay().  The sleep improves responsiveness
+ * by avoiding the CPU-hogging busy-wait of udelay(), and the range reduces
+ * power usage by allowing hrtimers to take advantage of an already-
+ * scheduled interrupt instead of scheduling a new one just for this sleep.
+ */
+void __sched usleep_range_state(unsigned long min, unsigned long max,
+				unsigned int state)
+{
+	ktime_t exp = ktime_add_us(ktime_get(), min);
+	u64 delta = (u64)(max - min) * NSEC_PER_USEC;
+
+	for (;;) {
+		__set_current_state(state);
+		/* Do not return before the requested sleep time has elapsed */
+		if (!schedule_hrtimeout_range(&exp, delta, HRTIMER_MODE_ABS))
+			break;
+	}
+}
+
+/**
  * usleep_range - Sleep for an approximate time
  * @min: Minimum time in usecs to sleep
  * @max: Maximum time in usecs to sleep
@@ -2062,14 +2094,6 @@
  */
 void __sched usleep_range(unsigned long min, unsigned long max)
 {
-	ktime_t exp = ktime_add_us(ktime_get(), min);
-	u64 delta = (u64)(max - min) * NSEC_PER_USEC;
-
-	for (;;) {
-		__set_current_state(TASK_UNINTERRUPTIBLE);
-		/* Do not return before the requested sleep time has elapsed */
-		if (!schedule_hrtimeout_range(&exp, delta, HRTIMER_MODE_ABS))
-			break;
-	}
+	usleep_range_state(min, max, TASK_UNINTERRUPTIBLE);
 }
 EXPORT_SYMBOL(usleep_range);
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index acb326f..97a8f5f 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -256,6 +256,14 @@
 	print_name_offset(m, dev->event_handler);
 	SEQ_printf(m, "\n");
 	SEQ_printf(m, " retries:        %lu\n", dev->retries);
+
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+	if (cpu >= 0) {
+		const struct clock_event_device *wd = tick_get_wakeup_device(cpu);
+
+		SEQ_printf(m, "Wakeup Device: %s\n", wd ? wd->name : "<NULL>");
+	}
+#endif
 	SEQ_printf(m, "\n");
 }
 
@@ -276,7 +284,7 @@
 
 static inline void timer_list_header(struct seq_file *m, u64 now)
 {
-	SEQ_printf(m, "Timer List Version: v0.8\n");
+	SEQ_printf(m, "Timer List Version: v0.9\n");
 	SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES);
 	SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now);
 	SEQ_printf(m, "\n");
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 29db703..3c0e969 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -51,6 +51,11 @@
 	help
 	  Arch supports the gcc options -pg with -mrecord-mcount and -nop-mcount
 
+config HAVE_OBJTOOL_MCOUNT
+	bool
+	help
+	  Arch supports objtool --mcount
+
 config HAVE_C_RECORDMCOUNT
 	bool
 	help
@@ -81,6 +86,14 @@
 	 Allow the use of ring_buffer_swap_cpu.
 	 Adds a very slight overhead to tracing when enabled.
 
+config TRACE_MMIO_ACCESS
+	bool "Register read/write tracing"
+	depends on TRACING
+	depends on ARM64
+	help
+	  Create tracepoints for IO read/write operations. These trace events
+	  can be used for logging all MMIO read/write operations.
+
 config PREEMPTIRQ_TRACEPOINTS
 	bool
 	depends on TRACE_PREEMPT_TOGGLE || TRACE_IRQFLAGS
@@ -90,6 +103,11 @@
 	  Create preempt/irq toggle tracepoints if needed, so that other parts
 	  of the kernel can use them to generate or add hooks to them.
 
+menuconfig TRACEFS_DISABLE_AUTOMOUNT
+	bool "Do not autmount tracefs in the debugfs filesystem"
+	help
+	  Provides an option to not automount tracefs in /sys/kernel/debug/tracing.
+
 # All tracer options should select GENERIC_TRACER. For those options that are
 # enabled by all tracers (context switch and event tracer) they select TRACING.
 # This allows those options to appear when no other tracer is selected. But the
@@ -595,6 +613,30 @@
 	depends on DYNAMIC_FTRACE
 	depends on HAVE_FTRACE_MCOUNT_RECORD
 
+config FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+	bool
+	depends on FTRACE_MCOUNT_RECORD
+
+config FTRACE_MCOUNT_USE_CC
+	def_bool y
+	depends on $(cc-option,-mrecord-mcount)
+	depends on !FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+	depends on FTRACE_MCOUNT_RECORD
+
+config FTRACE_MCOUNT_USE_OBJTOOL
+	def_bool y
+	depends on HAVE_OBJTOOL_MCOUNT
+	depends on !FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+	depends on !FTRACE_MCOUNT_USE_CC
+	depends on FTRACE_MCOUNT_RECORD
+
+config FTRACE_MCOUNT_USE_RECORDMCOUNT
+	def_bool y
+	depends on !FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+	depends on !FTRACE_MCOUNT_USE_CC
+	depends on !FTRACE_MCOUNT_USE_OBJTOOL
+	depends on FTRACE_MCOUNT_RECORD
+
 config TRACING_MAP
 	bool
 	depends on ARCH_HAVE_NMI_SAFE_CMPXCHG
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index e153be3..ff5e61d 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -81,6 +81,7 @@
 obj-$(CONFIG_HIST_TRIGGERS) += trace_events_hist.o
 obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o
 obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe.o
+obj-$(CONFIG_TRACEPOINTS) += error_report-traces.o
 obj-$(CONFIG_TRACEPOINTS) += power-traces.o
 ifeq ($(CONFIG_PM),y)
 obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o
@@ -94,5 +95,6 @@
 obj-$(CONFIG_BOOTTIME_TRACING) += trace_boot.o
 
 obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_benchmark.o
+obj-$(CONFIG_TRACE_MMIO_ACCESS) += trace_readwrite.o
 
 libftrace-y := ftrace.o
diff --git a/kernel/trace/error_report-traces.c b/kernel/trace/error_report-traces.c
new file mode 100644
index 0000000..632c8c7
--- /dev/null
+++ b/kernel/trace/error_report-traces.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Error reporting trace points.
+ *
+ * Copyright (C) 2021, Google LLC.
+ */
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/error_report.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(error_report_end);
+
diff --git a/kernel/trace/power-traces.c b/kernel/trace/power-traces.c
index 21bb161..3ca551c 100644
--- a/kernel/trace/power-traces.c
+++ b/kernel/trace/power-traces.c
@@ -18,4 +18,6 @@
 EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_idle);
 EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_frequency);
 EXPORT_TRACEPOINT_SYMBOL_GPL(powernv_throttle);
-
+EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_end);
+EXPORT_TRACEPOINT_SYMBOL_GPL(clock_set_rate);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 548f694..59a8fbc 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -48,6 +48,7 @@
 #include <linux/fsnotify.h>
 #include <linux/irq_work.h>
 #include <linux/workqueue.h>
+#include <trace/hooks/ftrace_dump.h>
 
 #include "trace.h"
 #include "trace_output.h"
@@ -3554,62 +3555,6 @@
 	return next;
 }
 
-#define STATIC_FMT_BUF_SIZE	128
-static char static_fmt_buf[STATIC_FMT_BUF_SIZE];
-
-static char *trace_iter_expand_format(struct trace_iterator *iter)
-{
-	char *tmp;
-
-	if (iter->fmt == static_fmt_buf)
-		return NULL;
-
-	tmp = krealloc(iter->fmt, iter->fmt_size + STATIC_FMT_BUF_SIZE,
-		       GFP_KERNEL);
-	if (tmp) {
-		iter->fmt_size += STATIC_FMT_BUF_SIZE;
-		iter->fmt = tmp;
-	}
-
-	return tmp;
-}
-
-const char *trace_event_format(struct trace_iterator *iter, const char *fmt)
-{
-	const char *p, *new_fmt;
-	char *q;
-
-	if (WARN_ON_ONCE(!fmt))
-		return fmt;
-
-	p = fmt;
-	new_fmt = q = iter->fmt;
-	while (*p) {
-		if (unlikely(q - new_fmt + 3 > iter->fmt_size)) {
-			if (!trace_iter_expand_format(iter))
-				return fmt;
-
-			q += iter->fmt - new_fmt;
-			new_fmt = iter->fmt;
-		}
-
-		*q++ = *p++;
-
-		/* Replace %p with %px */
-		if (p[-1] == '%') {
-			if (p[0] == '%') {
-				*q++ = *p++;
-			} else if (p[0] == 'p' && !isalnum(p[1])) {
-				*q++ = *p++;
-				*q++ = 'x';
-			}
-		}
-	}
-	*q = '\0';
-
-	return new_fmt;
-}
-
 #define STATIC_TEMP_BUF_SIZE	128
 static char static_temp_buf[STATIC_TEMP_BUF_SIZE] __aligned(4);
 
@@ -4408,16 +4353,6 @@
 		iter->temp_size = 128;
 
 	/*
-	 * trace_event_printf() may need to modify given format
-	 * string to replace %p with %px so that it shows real address
-	 * instead of hash value. However, that is only for the event
-	 * tracing, other tracer may not need. Defer the allocation
-	 * until it is needed.
-	 */
-	iter->fmt = NULL;
-	iter->fmt_size = 0;
-
-	/*
 	 * We make a copy of the current tracer to avoid concurrent
 	 * changes on it while we are reading.
 	 */
@@ -4547,20 +4482,6 @@
 	if (ret)
 		return ret;
 
-	mutex_lock(&event_mutex);
-
-	/* Fail if the file is marked for removal */
-	if (file->flags & EVENT_FILE_FL_FREED) {
-		trace_array_put(file->tr);
-		ret = -ENODEV;
-	} else {
-		event_file_get(file);
-	}
-
-	mutex_unlock(&event_mutex);
-	if (ret)
-		return ret;
-
 	filp->private_data = inode->i_private;
 
 	return 0;
@@ -4571,7 +4492,6 @@
 	struct trace_event_file *file = inode->i_private;
 
 	trace_array_put(file->tr);
-	event_file_put(file);
 
 	return 0;
 }
@@ -4610,7 +4530,6 @@
 
 	mutex_destroy(&iter->mutex);
 	free_cpumask_var(iter->started);
-	kfree(iter->fmt);
 	kfree(iter->temp);
 	kfree(iter->trace);
 	kfree(iter->buffer_iter);
@@ -5364,6 +5283,7 @@
 #ifdef CONFIG_HIST_TRIGGERS
 	"      hist trigger\t- If set, event hits are aggregated into a hash table\n"
 	"\t    Format: hist:keys=<field1[,field2,...]>\n"
+	"\t            [:<var1>=<field|var_ref|numeric_literal>[,<var2>=...]]\n"
 	"\t            [:values=<field1[,field2,...]>]\n"
 	"\t            [:sort=<field1[,field2,...]>]\n"
 	"\t            [:size=#entries]\n"
@@ -5375,6 +5295,16 @@
 	"\t            common_timestamp - to record current timestamp\n"
 	"\t            common_cpu - to record the CPU the event happened on\n"
 	"\n"
+	"\t    A hist trigger variable can be:\n"
+	"\t        - a reference to a field e.g. x=current_timestamp,\n"
+	"\t        - a reference to another variable e.g. y=$x,\n"
+	"\t        - a numeric literal: e.g. ms_per_sec=1000,\n"
+	"\t        - an arithmetic expression: e.g. time_secs=current_timestamp/1000\n"
+	"\n"
+	"\t    hist trigger aritmethic expressions support addition(+), subtraction(-),\n"
+	"\t    multiplication(*) and division(/) operators. An operand can be either a\n"
+	"\t    variable reference, field or numeric literal.\n"
+	"\n"
 	"\t    When a matching event is hit, an entry is added to a hash\n"
 	"\t    table using the key(s) and value(s) named, and the value of a\n"
 	"\t    sum called 'hitcount' is incremented.  Keys and values\n"
@@ -6278,36 +6208,10 @@
 
 #endif
 
-static int open_pipe_on_cpu(struct trace_array *tr, int cpu)
-{
-	if (cpu == RING_BUFFER_ALL_CPUS) {
-		if (cpumask_empty(tr->pipe_cpumask)) {
-			cpumask_setall(tr->pipe_cpumask);
-			return 0;
-		}
-	} else if (!cpumask_test_cpu(cpu, tr->pipe_cpumask)) {
-		cpumask_set_cpu(cpu, tr->pipe_cpumask);
-		return 0;
-	}
-	return -EBUSY;
-}
-
-static void close_pipe_on_cpu(struct trace_array *tr, int cpu)
-{
-	if (cpu == RING_BUFFER_ALL_CPUS) {
-		WARN_ON(!cpumask_full(tr->pipe_cpumask));
-		cpumask_clear(tr->pipe_cpumask);
-	} else {
-		WARN_ON(!cpumask_test_cpu(cpu, tr->pipe_cpumask));
-		cpumask_clear_cpu(cpu, tr->pipe_cpumask);
-	}
-}
-
 static int tracing_open_pipe(struct inode *inode, struct file *filp)
 {
 	struct trace_array *tr = inode->i_private;
 	struct trace_iterator *iter;
-	int cpu;
 	int ret;
 
 	ret = tracing_check_open_get_tr(tr);
@@ -6315,16 +6219,13 @@
 		return ret;
 
 	mutex_lock(&trace_types_lock);
-	cpu = tracing_get_cpu(inode);
-	ret = open_pipe_on_cpu(tr, cpu);
-	if (ret)
-		goto fail_pipe_on_cpu;
 
 	/* create a buffer to store the information to pass to userspace */
 	iter = kzalloc(sizeof(*iter), GFP_KERNEL);
 	if (!iter) {
 		ret = -ENOMEM;
-		goto fail_alloc_iter;
+		__trace_array_put(tr);
+		goto out;
 	}
 
 	trace_seq_init(&iter->seq);
@@ -6347,7 +6248,7 @@
 
 	iter->tr = tr;
 	iter->array_buffer = &tr->array_buffer;
-	iter->cpu_file = cpu;
+	iter->cpu_file = tracing_get_cpu(inode);
 	mutex_init(&iter->mutex);
 	filp->private_data = iter;
 
@@ -6357,15 +6258,12 @@
 	nonseekable_open(inode, filp);
 
 	tr->trace_ref++;
-
+out:
 	mutex_unlock(&trace_types_lock);
 	return ret;
 
 fail:
 	kfree(iter);
-fail_alloc_iter:
-	close_pipe_on_cpu(tr, cpu);
-fail_pipe_on_cpu:
 	__trace_array_put(tr);
 	mutex_unlock(&trace_types_lock);
 	return ret;
@@ -6382,7 +6280,7 @@
 
 	if (iter->trace->pipe_close)
 		iter->trace->pipe_close(iter);
-	close_pipe_on_cpu(tr, iter->cpu_file);
+
 	mutex_unlock(&trace_types_lock);
 
 	free_cpumask_var(iter->started);
@@ -8935,9 +8833,6 @@
 	if (!alloc_cpumask_var(&tr->tracing_cpumask, GFP_KERNEL))
 		goto out_free_tr;
 
-	if (!zalloc_cpumask_var(&tr->pipe_cpumask, GFP_KERNEL))
-		goto out_free_tr;
-
 	tr->trace_flags = global_trace.trace_flags & ~ZEROED_TRACE_FLAGS;
 
 	cpumask_copy(tr->tracing_cpumask, cpu_all_mask);
@@ -8979,7 +8874,6 @@
  out_free_tr:
 	ftrace_free_ftrace_ops(tr);
 	free_trace_buffers(tr);
-	free_cpumask_var(tr->pipe_cpumask);
 	free_cpumask_var(tr->tracing_cpumask);
 	kfree(tr->name);
 	kfree(tr);
@@ -9081,7 +8975,6 @@
 	}
 	kfree(tr->topts);
 
-	free_cpumask_var(tr->pipe_cpumask);
 	free_cpumask_var(tr->tracing_cpumask);
 	kfree(tr->name);
 	kfree(tr);
@@ -9243,6 +9136,7 @@
 	ftrace_init_tracefs(tr, d_tracer);
 }
 
+#ifndef CONFIG_TRACEFS_DISABLE_AUTOMOUNT
 static struct vfsmount *trace_automount(struct dentry *mntpt, void *ingore)
 {
 	struct vfsmount *mnt;
@@ -9264,6 +9158,7 @@
 
 	return mnt;
 }
+#endif
 
 /**
  * tracing_init_dentry - initialize top level trace array
@@ -9288,6 +9183,7 @@
 	if (WARN_ON(!tracefs_initialized()))
 		return -ENODEV;
 
+#ifndef CONFIG_TRACEFS_DISABLE_AUTOMOUNT
 	/*
 	 * As there may still be users that expect the tracing
 	 * files to exist in debugfs/tracing, we must automount
@@ -9296,6 +9192,9 @@
 	 */
 	tr->dir = debugfs_create_automount("tracing", NULL,
 					   trace_automount, NULL);
+#else
+	tr->dir = ERR_PTR(-ENODEV);
+#endif
 
 	return 0;
 }
@@ -9435,8 +9334,17 @@
 static int trace_panic_handler(struct notifier_block *this,
 			       unsigned long event, void *unused)
 {
+	bool ftrace_check = false;
+
+	trace_android_vh_ftrace_oops_enter(&ftrace_check);
+
+	if (ftrace_check)
+		return NOTIFY_OK;
+
 	if (ftrace_dump_on_oops)
 		ftrace_dump(ftrace_dump_on_oops);
+
+	trace_android_vh_ftrace_oops_exit(&ftrace_check);
 	return NOTIFY_OK;
 }
 
@@ -9450,6 +9358,13 @@
 			     unsigned long val,
 			     void *data)
 {
+	bool ftrace_check = false;
+
+	trace_android_vh_ftrace_oops_enter(&ftrace_check);
+
+	if (ftrace_check)
+		return NOTIFY_OK;
+
 	switch (val) {
 	case DIE_OOPS:
 		if (ftrace_dump_on_oops)
@@ -9458,6 +9373,8 @@
 	default:
 		break;
 	}
+
+	trace_android_vh_ftrace_oops_exit(&ftrace_check);
 	return NOTIFY_OK;
 }
 
@@ -9482,6 +9399,8 @@
 void
 trace_printk_seq(struct trace_seq *s)
 {
+	bool dump_printk = true;
+
 	/* Probably should print a warning here. */
 	if (s->seq.len >= TRACE_MAX_PRINT)
 		s->seq.len = TRACE_MAX_PRINT;
@@ -9497,7 +9416,9 @@
 	/* should be zero ended, but we are paranoid. */
 	s->buffer[s->seq.len] = 0;
 
-	printk(KERN_TRACE "%s", s->buffer);
+	trace_android_vh_ftrace_dump_buffer(s, &dump_printk);
+	if (dump_printk)
+		printk(KERN_TRACE "%s", s->buffer);
 
 	trace_seq_init(s);
 }
@@ -9519,12 +9440,6 @@
 	/* Output in nanoseconds only if we are using a clock in nanoseconds. */
 	if (trace_clocks[iter->tr->clock_id].in_ns)
 		iter->iter_flags |= TRACE_FILE_TIME_IN_NS;
-
-	/* Can not use kmalloc for iter.temp and iter.fmt */
-	iter->temp = static_temp_buf;
-	iter->temp_size = STATIC_TEMP_BUF_SIZE;
-	iter->fmt = static_fmt_buf;
-	iter->fmt_size = STATIC_FMT_BUF_SIZE;
 }
 
 void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
@@ -9536,6 +9451,8 @@
 	unsigned int old_userobj;
 	unsigned long flags;
 	int cnt = 0, cpu;
+	bool ftrace_check = false;
+	unsigned long size;
 
 	/* Only allow one dump user at a time. */
 	if (atomic_inc_return(&dump_running) != 1) {
@@ -9558,9 +9475,14 @@
 
 	/* Simulate the iterator */
 	trace_init_global_iter(&iter);
+	/* Can not use kmalloc for iter.temp */
+	iter.temp = static_temp_buf;
+	iter.temp_size = STATIC_TEMP_BUF_SIZE;
 
 	for_each_tracing_cpu(cpu) {
 		atomic_inc(&per_cpu_ptr(iter.array_buffer->data, cpu)->disabled);
+		size = ring_buffer_size(iter.array_buffer->buffer, cpu);
+		trace_android_vh_ftrace_size_check(size, &ftrace_check);
 	}
 
 	old_userobj = tr->trace_flags & TRACE_ITER_SYM_USEROBJ;
@@ -9568,6 +9490,9 @@
 	/* don't look at user memory in panic mode */
 	tr->trace_flags &= ~TRACE_ITER_SYM_USEROBJ;
 
+	if (ftrace_check)
+		goto out_enable;
+
 	switch (oops_dump_mode) {
 	case DUMP_ALL:
 		iter.cpu_file = RING_BUFFER_ALL_CPUS;
@@ -9598,6 +9523,7 @@
 	 */
 
 	while (!trace_empty(&iter)) {
+		ftrace_check = true;
 
 		if (!cnt)
 			printk(KERN_TRACE "---------------------------------\n");
@@ -9605,7 +9531,9 @@
 		cnt++;
 
 		trace_iterator_reset(&iter);
-		iter.iter_flags |= TRACE_FILE_LAT_FMT;
+		trace_android_vh_ftrace_format_check(&ftrace_check);
+		if (ftrace_check)
+			iter.iter_flags |= TRACE_FILE_LAT_FMT;
 
 		if (trace_find_next_entry_inc(&iter) != NULL) {
 			int ret;
@@ -9781,14 +9709,12 @@
 	if (trace_create_savedcmd() < 0)
 		goto out_free_temp_buffer;
 
-	if (!zalloc_cpumask_var(&global_trace.pipe_cpumask, GFP_KERNEL))
-		goto out_free_savedcmd;
-
 	/* TODO: make the number of buffers hot pluggable with CPUS */
 	if (allocate_trace_buffers(&global_trace, ring_buf_size) < 0) {
 		MEM_FAIL(1, "tracer: failed to allocate ring buffer!\n");
-		goto out_free_pipe_cpumask;
+		goto out_free_savedcmd;
 	}
+
 	if (global_trace.buffer_disabled)
 		tracing_off();
 
@@ -9839,8 +9765,6 @@
 
 	return 0;
 
-out_free_pipe_cpumask:
-	free_cpumask_var(global_trace.pipe_cpumask);
 out_free_savedcmd:
 	free_saved_cmdlines_buffer(savedcmd);
 out_free_temp_buffer:
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 7c90872..7ac8b93 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -356,8 +356,6 @@
 	struct list_head	events;
 	struct trace_event_file *trace_marker_file;
 	cpumask_var_t		tracing_cpumask; /* only trace on set CPUs */
-	/* one per_cpu trace_pipe can be opened by only one user */
-	cpumask_var_t		pipe_cpumask;
 	int			ref;
 	int			trace_ref;
 #ifdef CONFIG_FUNCTION_TRACER
@@ -762,8 +760,6 @@
 void trace_buffer_unlock_commit_nostack(struct trace_buffer *buffer,
 					struct ring_buffer_event *event);
 
-const char *trace_event_format(struct trace_iterator *iter, const char *fmt);
-
 int trace_empty(struct trace_iterator *iter);
 
 void *trace_find_next_entry_inc(struct trace_iterator *iter);
@@ -1784,9 +1780,6 @@
 extern int unregister_event_command(struct event_command *cmd);
 extern int register_trigger_hist_enable_disable_cmds(void);
 
-extern void event_file_get(struct trace_event_file *file);
-extern void event_file_put(struct trace_event_file *file);
-
 /**
  * struct event_trigger_ops - callbacks for trace event triggers
  *
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 0996d59..ed3ab7b 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -233,8 +233,8 @@
 	if (!node)
 		return;
 	/* per-event key starts with "event.GROUP.EVENT" */
-	xbc_node_for_each_child(node, gnode)
-		xbc_node_for_each_child(gnode, enode)
+	xbc_node_for_each_subkey(node, gnode)
+		xbc_node_for_each_subkey(gnode, enode)
 			trace_boot_init_one_event(tr, gnode, enode);
 }
 #else
@@ -315,7 +315,7 @@
 	if (!node)
 		return;
 
-	xbc_node_for_each_child(node, inode) {
+	xbc_node_for_each_subkey(node, inode) {
 		p = xbc_node_get_data(inode);
 		if (!p || *p == '\0')
 			continue;
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 4b5a8d7..c7f0a024 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -746,38 +746,26 @@
 	}
 }
 
-void event_file_get(struct trace_event_file *file)
-{
-	atomic_inc(&file->ref);
-}
-
-void event_file_put(struct trace_event_file *file)
-{
-	if (WARN_ON_ONCE(!atomic_read(&file->ref))) {
-		if (file->flags & EVENT_FILE_FL_FREED)
-			kmem_cache_free(file_cachep, file);
-		return;
-	}
-
-	if (atomic_dec_and_test(&file->ref)) {
-		/* Count should only go to zero when it is freed */
-		if (WARN_ON_ONCE(!(file->flags & EVENT_FILE_FL_FREED)))
-			return;
-		kmem_cache_free(file_cachep, file);
-	}
-}
-
 static void remove_event_file_dir(struct trace_event_file *file)
 {
 	struct dentry *dir = file->dir;
+	struct dentry *child;
 
-	tracefs_remove(dir);
+	if (dir) {
+		spin_lock(&dir->d_lock);	/* probably unneeded */
+		list_for_each_entry(child, &dir->d_subdirs, d_child) {
+			if (d_really_is_positive(child))	/* probably unneeded */
+				d_inode(child)->i_private = NULL;
+		}
+		spin_unlock(&dir->d_lock);
+
+		tracefs_remove(dir);
+	}
 
 	list_del(&file->list);
 	remove_subsystem(file->system);
 	free_event_filter(file->filter);
-	file->flags |= EVENT_FILE_FL_FREED;
-	event_file_put(file);
+	kmem_cache_free(file_cachep, file);
 }
 
 /*
@@ -1150,7 +1138,7 @@
 		flags = file->flags;
 	mutex_unlock(&event_mutex);
 
-	if (!file || flags & EVENT_FILE_FL_FREED)
+	if (!file)
 		return -ENODEV;
 
 	if (flags & EVENT_FILE_FL_ENABLED &&
@@ -1188,7 +1176,7 @@
 		ret = -ENODEV;
 		mutex_lock(&event_mutex);
 		file = event_file_data(filp);
-		if (likely(file && !(file->flags & EVENT_FILE_FL_FREED)))
+		if (likely(file))
 			ret = ftrace_event_enable_disable(file, val);
 		mutex_unlock(&event_mutex);
 		break;
@@ -1457,7 +1445,7 @@
 
 	mutex_lock(&event_mutex);
 	file = event_file_data(filp);
-	if (file && !(file->flags & EVENT_FILE_FL_FREED))
+	if (file)
 		print_event_filter(file, s);
 	mutex_unlock(&event_mutex);
 
@@ -2494,7 +2482,6 @@
 	atomic_set(&file->tm_ref, 0);
 	INIT_LIST_HEAD(&file->triggers);
 	list_add(&file->list, &tr->events);
-	event_file_get(file);
 
 	return file;
 }
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index c1db5b6..a255ffb 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1893,9 +1893,6 @@
 	struct event_filter *filter = NULL;
 	int err;
 
-	if (file->flags & EVENT_FILE_FL_FREED)
-		return -ENODEV;
-
 	if (!strcmp(strstrip(filter_string), "0")) {
 		filter_disable(file);
 		filter = event_filter(file);
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 059a106..4059afe 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -66,7 +66,10 @@
 	C(EMPTY_SORT_FIELD,	"Empty sort field"),			\
 	C(TOO_MANY_SORT_FIELDS,	"Too many sort fields (Max = 2)"),	\
 	C(INVALID_SORT_FIELD,	"Sort field must be a key or a val"),	\
-	C(INVALID_STR_OPERAND,	"String type can not be an operand in expression"),
+	C(INVALID_STR_OPERAND,	"String type can not be an operand in expression"), \
+	C(EXPECT_NUMBER,	"Expecting numeric literal"),		\
+	C(UNARY_MINUS_SUBEXPR,	"Unary minus not supported in sub-expressions"), \
+	C(DIVISION_BY_ZERO,	"Division by zero"),
 
 #undef C
 #define C(a, b)		HIST_ERR_##a
@@ -88,12 +91,16 @@
 #define HIST_FIELD_OPERANDS_MAX	2
 #define HIST_FIELDS_MAX		(TRACING_MAP_FIELDS_MAX + TRACING_MAP_VARS_MAX)
 #define HIST_ACTIONS_MAX	8
+#define HIST_CONST_DIGITS_MAX	21
+#define HIST_DIV_SHIFT		20  /* For optimizing division by constants */
 
 enum field_op_id {
 	FIELD_OP_NONE,
 	FIELD_OP_PLUS,
 	FIELD_OP_MINUS,
 	FIELD_OP_UNARY_MINUS,
+	FIELD_OP_DIV,
+	FIELD_OP_MULT,
 };
 
 /*
@@ -150,6 +157,11 @@
 	bool                            read_once;
 
 	unsigned int			var_str_idx;
+
+	/* Numeric literals are represented as u64 */
+	u64				constant;
+	/* Used to optimize division by constants */
+	u64				div_multiplier;
 };
 
 static u64 hist_field_none(struct hist_field *field,
@@ -160,6 +172,15 @@
 	return 0;
 }
 
+static u64 hist_field_const(struct hist_field *field,
+			   struct tracing_map_elt *elt,
+			   struct ring_buffer_event *rbe,
+			   void *event)
+{
+	return field->constant;
+}
+
+
 static u64 hist_field_counter(struct hist_field *field,
 			      struct tracing_map_elt *elt,
 			      struct ring_buffer_event *rbe,
@@ -240,6 +261,101 @@
 	return val1 - val2;
 }
 
+static u64 hist_field_div(struct hist_field *hist_field,
+			   struct tracing_map_elt *elt,
+			   struct ring_buffer_event *rbe,
+			   void *event)
+{
+	struct hist_field *operand1 = hist_field->operands[0];
+	struct hist_field *operand2 = hist_field->operands[1];
+
+	u64 val1 = operand1->fn(operand1, elt, rbe, event);
+	u64 val2 = operand2->fn(operand2, elt, rbe, event);
+
+	/* Return -1 for the undefined case */
+	if (!val2)
+		return -1;
+
+	/* Use shift if the divisor is a power of 2 */
+	if (!(val2 & (val2 - 1)))
+		return val1 >> __ffs64(val2);
+
+	return div64_u64(val1, val2);
+}
+
+static u64 div_by_power_of_two(struct hist_field *hist_field,
+				struct tracing_map_elt *elt,
+				struct ring_buffer_event *rbe,
+				void *event)
+{
+	struct hist_field *operand1 = hist_field->operands[0];
+	struct hist_field *operand2 = hist_field->operands[1];
+
+	u64 val1 = operand1->fn(operand1, elt, rbe, event);
+
+	return val1 >> __ffs64(operand2->constant);
+}
+
+static u64 div_by_not_power_of_two(struct hist_field *hist_field,
+				struct tracing_map_elt *elt,
+				struct ring_buffer_event *rbe,
+				void *event)
+{
+	struct hist_field *operand1 = hist_field->operands[0];
+	struct hist_field *operand2 = hist_field->operands[1];
+
+	u64 val1 = operand1->fn(operand1, elt, rbe, event);
+
+	return div64_u64(val1, operand2->constant);
+}
+
+static u64 div_by_mult_and_shift(struct hist_field *hist_field,
+				struct tracing_map_elt *elt,
+				struct ring_buffer_event *rbe,
+				void *event)
+{
+	struct hist_field *operand1 = hist_field->operands[0];
+	struct hist_field *operand2 = hist_field->operands[1];
+
+	u64 val1 = operand1->fn(operand1, elt, rbe, event);
+
+	/*
+	 * If the divisor is a constant, do a multiplication and shift instead.
+	 *
+	 * Choose Z = some power of 2. If Y <= Z, then:
+	 *     X / Y = (X * (Z / Y)) / Z
+	 *
+	 * (Z / Y) is a constant (mult) which is calculated at parse time, so:
+	 *     X / Y = (X * mult) / Z
+	 *
+	 * The division by Z can be replaced by a shift since Z is a power of 2:
+	 *     X / Y = (X * mult) >> HIST_DIV_SHIFT
+	 *
+	 * As long, as X < Z the results will not be off by more than 1.
+	 */
+	if (val1 < (1 << HIST_DIV_SHIFT)) {
+		u64 mult = operand2->div_multiplier;
+
+		return (val1 * mult + ((1 << HIST_DIV_SHIFT) - 1)) >> HIST_DIV_SHIFT;
+	}
+
+	return div64_u64(val1, operand2->constant);
+}
+
+static u64 hist_field_mult(struct hist_field *hist_field,
+			   struct tracing_map_elt *elt,
+			   struct ring_buffer_event *rbe,
+			   void *event)
+{
+	struct hist_field *operand1 = hist_field->operands[0];
+	struct hist_field *operand2 = hist_field->operands[1];
+
+	u64 val1 = operand1->fn(operand1, elt, rbe, event);
+	u64 val2 = operand2->fn(operand2, elt, rbe, event);
+
+	return val1 * val2;
+}
+
 static u64 hist_field_unary_minus(struct hist_field *hist_field,
 				  struct tracing_map_elt *elt,
 				  struct ring_buffer_event *rbe,
@@ -307,6 +423,7 @@
 	HIST_FIELD_FL_VAR_REF		= 1 << 14,
 	HIST_FIELD_FL_CPU		= 1 << 15,
 	HIST_FIELD_FL_ALIAS		= 1 << 16,
+	HIST_FIELD_FL_CONST		= 1 << 17,
 };
 
 struct var_defs {
@@ -481,6 +598,25 @@
 	void			*key;
 };
 
+/*
+ * Returns the specific division function to use if the divisor
+ * is constant. This avoids extra branches when the trigger is hit.
+ */
+static hist_field_fn_t hist_field_get_div_fn(struct hist_field *divisor)
+{
+	u64 div = divisor->constant;
+
+	if (!(div & (div - 1)))
+		return div_by_power_of_two;
+
+	/* If the divisor is too large, do a regular division */
+	if (div > (1 << HIST_DIV_SHIFT))
+		return div_by_not_power_of_two;
+
+	divisor->div_multiplier = div64_u64((u64)(1 << HIST_DIV_SHIFT), div);
+	return div_by_mult_and_shift;
+}
+
 static void track_data_free(struct track_data *track_data)
 {
 	struct hist_elt_data *elt_data;
@@ -1467,6 +1603,12 @@
 {
 	if (field->flags & HIST_FIELD_FL_VAR_REF)
 		strcat(expr, "$");
+	else if (field->flags & HIST_FIELD_FL_CONST) {
+		char str[HIST_CONST_DIGITS_MAX];
+
+		snprintf(str, HIST_CONST_DIGITS_MAX, "%llu", field->constant);
+		strcat(expr, str);
+	}
 
 	strcat(expr, hist_field_name(field, 0));
 
@@ -1522,6 +1664,12 @@
 	case FIELD_OP_PLUS:
 		strcat(expr, "+");
 		break;
+	case FIELD_OP_DIV:
+		strcat(expr, "/");
+		break;
+	case FIELD_OP_MULT:
+		strcat(expr, "*");
+		break;
 	default:
 		kfree(expr);
 		return NULL;
@@ -1532,34 +1680,92 @@
 	return expr;
 }
 
-static int contains_operator(char *str)
+/*
+ * If field_op != FIELD_OP_NONE, *sep points to the root operator
+ * of the expression tree to be evaluated.
+ */
+static int contains_operator(char *str, char **sep)
 {
 	enum field_op_id field_op = FIELD_OP_NONE;
-	char *op;
+	char *minus_op, *plus_op, *div_op, *mult_op;
 
-	op = strpbrk(str, "+-");
-	if (!op)
-		return FIELD_OP_NONE;
 
-	switch (*op) {
-	case '-':
+	/*
+	 * Report the last occurrence of the operators first, so that the
+	 * expression is evaluated left to right. This is important since
+	 * subtraction and division are not associative.
+	 *
+	 *	e.g
+	 *		64/8/4/2 is 1, i.e 64/8/4/2 = ((64/8)/4)/2
+	 *		14-7-5-2 is 0, i.e 14-7-5-2 = ((14-7)-5)-2
+	 */
+
+	/*
+	 * First, find lower precedence addition and subtraction
+	 * since the expression will be evaluated recursively.
+	 */
+	minus_op = strrchr(str, '-');
+	if (minus_op) {
 		/*
-		 * Unfortunately, the modifier ".sym-offset"
-		 * can confuse things.
+		 * Unary minus is not supported in sub-expressions. If
+		 * present, it is always the next root operator.
 		 */
-		if (op - str >= 4 && !strncmp(op - 4, ".sym-offset", 11))
-			return FIELD_OP_NONE;
-
-		if (*str == '-')
+		if (minus_op == str) {
 			field_op = FIELD_OP_UNARY_MINUS;
-		else
-			field_op = FIELD_OP_MINUS;
-		break;
-	case '+':
-		field_op = FIELD_OP_PLUS;
-		break;
-	default:
-		break;
+			goto out;
+		}
+
+		field_op = FIELD_OP_MINUS;
+	}
+
+	plus_op = strrchr(str, '+');
+	if (plus_op || minus_op) {
+		/*
+		 * For operators of the same precedence use to rightmost as the
+		 * root, so that the expression is evaluated left to right.
+		 */
+		if (plus_op > minus_op)
+			field_op = FIELD_OP_PLUS;
+		goto out;
+	}
+
+	/*
+	 * Multiplication and division have higher precedence than addition and
+	 * subtraction.
+	 */
+	div_op = strrchr(str, '/');
+	if (div_op)
+		field_op = FIELD_OP_DIV;
+
+	mult_op = strrchr(str, '*');
+	/*
+	 * For operators of the same precedence use to rightmost as the
+	 * root, so that the expression is evaluated left to right.
+	 */
+	if (mult_op > div_op)
+		field_op = FIELD_OP_MULT;
+
+out:
+	if (sep) {
+		switch (field_op) {
+		case FIELD_OP_UNARY_MINUS:
+		case FIELD_OP_MINUS:
+			*sep = minus_op;
+			break;
+		case FIELD_OP_PLUS:
+			*sep = plus_op;
+			break;
+		case FIELD_OP_DIV:
+			*sep = div_op;
+			break;
+		case FIELD_OP_MULT:
+			*sep = mult_op;
+			break;
+		case FIELD_OP_NONE:
+		default:
+			*sep = NULL;
+			break;
+		}
 	}
 
 	return field_op;
@@ -1640,6 +1846,15 @@
 		goto out;
 	}
 
+	if (flags & HIST_FIELD_FL_CONST) {
+		hist_field->fn = hist_field_const;
+		hist_field->size = sizeof(u64);
+		hist_field->type = kstrdup("u64", GFP_KERNEL);
+		if (!hist_field->type)
+			goto free;
+		goto out;
+	}
+
 	if (flags & HIST_FIELD_FL_STACKTRACE) {
 		hist_field->fn = hist_field_none;
 		goto out;
@@ -1887,7 +2102,7 @@
 
 		if (strcmp(var_name, name) == 0) {
 			field = hist_data->attrs->var_defs.expr[i];
-			if (contains_operator(field) || is_var_ref(field))
+			if (contains_operator(field, NULL) || is_var_ref(field))
 				continue;
 			return field;
 		}
@@ -1964,7 +2179,11 @@
 			*flags |= HIST_FIELD_FL_HEX;
 		else if (strcmp(modifier, "sym") == 0)
 			*flags |= HIST_FIELD_FL_SYM;
-		else if (strcmp(modifier, "sym-offset") == 0)
+		/*
+		 * 'sym-offset' occurrences in the trigger string are modified
+		 * to 'symXoffset' to simplify arithmetic expression parsing.
+		 */
+		else if (strcmp(modifier, "symXoffset") == 0)
 			*flags |= HIST_FIELD_FL_SYM_OFFSET;
 		else if ((strcmp(modifier, "execname") == 0) &&
 			 (strcmp(field_name, "common_pid") == 0))
@@ -2037,6 +2256,29 @@
 	return alias;
 }
 
+static struct hist_field *parse_const(struct hist_trigger_data *hist_data,
+				      char *str, char *var_name,
+				      unsigned long *flags)
+{
+	struct trace_array *tr = hist_data->event_file->tr;
+	struct hist_field *field = NULL;
+	u64 constant;
+
+	if (kstrtoull(str, 0, &constant)) {
+		hist_err(tr, HIST_ERR_EXPECT_NUMBER, errpos(str));
+		return NULL;
+	}
+
+	*flags |= HIST_FIELD_FL_CONST;
+	field = create_hist_field(hist_data, NULL, *flags, var_name);
+	if (!field)
+		return NULL;
+
+	field->constant = constant;
+
+	return field;
+}
+
 static struct hist_field *parse_atom(struct hist_trigger_data *hist_data,
 				     struct trace_event_file *file, char *str,
 				     unsigned long *flags, char *var_name)
@@ -2046,6 +2288,15 @@
 	struct hist_field *hist_field = NULL;
 	int ret = 0;
 
+	if (isdigit(str[0])) {
+		hist_field = parse_const(hist_data, str, var_name, flags);
+		if (!hist_field) {
+			ret = -EINVAL;
+			goto out;
+		}
+		return hist_field;
+	}
+
 	s = strchr(str, '.');
 	if (s) {
 		s = strchr(++s, '.');
@@ -2101,21 +2352,24 @@
 static struct hist_field *parse_expr(struct hist_trigger_data *hist_data,
 				     struct trace_event_file *file,
 				     char *str, unsigned long flags,
-				     char *var_name, unsigned int level);
+				     char *var_name, unsigned int *n_subexprs);
 
 static struct hist_field *parse_unary(struct hist_trigger_data *hist_data,
 				      struct trace_event_file *file,
 				      char *str, unsigned long flags,
-				      char *var_name, unsigned int level)
+				      char *var_name, unsigned int *n_subexprs)
 {
 	struct hist_field *operand1, *expr = NULL;
 	unsigned long operand_flags;
 	int ret = 0;
 	char *s;
 
+	/* Unary minus operator, increment n_subexprs */
+	++*n_subexprs;
+
 	/* we support only -(xxx) i.e. explicit parens required */
 
-	if (level > 3) {
+	if (*n_subexprs > 3) {
 		hist_err(file->tr, HIST_ERR_TOO_MANY_SUBEXPR, errpos(str));
 		ret = -EINVAL;
 		goto free;
@@ -2132,8 +2386,16 @@
 	}
 
 	s = strrchr(str, ')');
-	if (s)
+	if (s) {
+		 /* unary minus not supported in sub-expressions */
+		if (*(s+1) != '\0') {
+			hist_err(file->tr, HIST_ERR_UNARY_MINUS_SUBEXPR,
+				 errpos(str));
+			ret = -EINVAL;
+			goto free;
+		}
 		*s = '\0';
+	}
 	else {
 		ret = -EINVAL; /* no closing ')' */
 		goto free;
@@ -2147,7 +2409,7 @@
 	}
 
 	operand_flags = 0;
-	operand1 = parse_expr(hist_data, file, str, operand_flags, NULL, ++level);
+	operand1 = parse_expr(hist_data, file, str, operand_flags, NULL, n_subexprs);
 	if (IS_ERR(operand1)) {
 		ret = PTR_ERR(operand1);
 		goto free;
@@ -2180,9 +2442,15 @@
 	return ERR_PTR(ret);
 }
 
+/*
+ * If the operands are var refs, return pointers the
+ * variable(s) referenced in var1 and var2, else NULL.
+ */
 static int check_expr_operands(struct trace_array *tr,
 			       struct hist_field *operand1,
-			       struct hist_field *operand2)
+			       struct hist_field *operand2,
+			       struct hist_field **var1,
+			       struct hist_field **var2)
 {
 	unsigned long operand1_flags = operand1->flags;
 	unsigned long operand2_flags = operand2->flags;
@@ -2195,6 +2463,7 @@
 		if (!var)
 			return -EINVAL;
 		operand1_flags = var->flags;
+		*var1 = var;
 	}
 
 	if ((operand2_flags & HIST_FIELD_FL_VAR_REF) ||
@@ -2205,6 +2474,7 @@
 		if (!var)
 			return -EINVAL;
 		operand2_flags = var->flags;
+		*var2 = var;
 	}
 
 	if ((operand1_flags & HIST_FIELD_FL_TIMESTAMP_USECS) !=
@@ -2219,74 +2489,102 @@
 static struct hist_field *parse_expr(struct hist_trigger_data *hist_data,
 				     struct trace_event_file *file,
 				     char *str, unsigned long flags,
-				     char *var_name, unsigned int level)
+				     char *var_name, unsigned int *n_subexprs)
 {
 	struct hist_field *operand1 = NULL, *operand2 = NULL, *expr = NULL;
-	unsigned long operand_flags;
+	struct hist_field *var1 = NULL, *var2 = NULL;
+	unsigned long operand_flags, operand2_flags;
 	int field_op, ret = -EINVAL;
 	char *sep, *operand1_str;
+	hist_field_fn_t op_fn;
+	bool combine_consts;
 
-	if (level > 3) {
+	if (*n_subexprs > 3) {
 		hist_err(file->tr, HIST_ERR_TOO_MANY_SUBEXPR, errpos(str));
 		return ERR_PTR(-EINVAL);
 	}
 
-	field_op = contains_operator(str);
+	field_op = contains_operator(str, &sep);
 
 	if (field_op == FIELD_OP_NONE)
 		return parse_atom(hist_data, file, str, &flags, var_name);
 
 	if (field_op == FIELD_OP_UNARY_MINUS)
-		return parse_unary(hist_data, file, str, flags, var_name, ++level);
+		return parse_unary(hist_data, file, str, flags, var_name, n_subexprs);
 
-	switch (field_op) {
-	case FIELD_OP_MINUS:
-		sep = "-";
-		break;
-	case FIELD_OP_PLUS:
-		sep = "+";
-		break;
-	default:
-		goto free;
-	}
+	/* Binary operator found, increment n_subexprs */
+	++*n_subexprs;
 
-	operand1_str = strsep(&str, sep);
-	if (!operand1_str || !str)
-		goto free;
+	/* Split the expression string at the root operator */
+	if (!sep)
+		return ERR_PTR(-EINVAL);
+
+	*sep = '\0';
+	operand1_str = str;
+	str = sep+1;
+
+	/* Binary operator requires both operands */
+	if (*operand1_str == '\0' || *str == '\0')
+		return ERR_PTR(-EINVAL);
 
 	operand_flags = 0;
-	operand1 = parse_atom(hist_data, file, operand1_str,
-			      &operand_flags, NULL);
-	if (IS_ERR(operand1)) {
-		ret = PTR_ERR(operand1);
-		operand1 = NULL;
-		goto free;
-	}
+
+	/* LHS of string is an expression e.g. a+b in a+b+c */
+	operand1 = parse_expr(hist_data, file, operand1_str, operand_flags, NULL, n_subexprs);
+	if (IS_ERR(operand1))
+		return ERR_CAST(operand1);
+
 	if (operand1->flags & HIST_FIELD_FL_STRING) {
 		hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(operand1_str));
 		ret = -EINVAL;
-		goto free;
+		goto free_op1;
 	}
 
-	/* rest of string could be another expression e.g. b+c in a+b+c */
+	/* RHS of string is another expression e.g. c in a+b+c */
 	operand_flags = 0;
-	operand2 = parse_expr(hist_data, file, str, operand_flags, NULL, ++level);
+	operand2 = parse_expr(hist_data, file, str, operand_flags, NULL, n_subexprs);
 	if (IS_ERR(operand2)) {
 		ret = PTR_ERR(operand2);
-		operand2 = NULL;
-		goto free;
+		goto free_op1;
 	}
 	if (operand2->flags & HIST_FIELD_FL_STRING) {
 		hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(str));
 		ret = -EINVAL;
-		goto free;
+		goto free_operands;
 	}
 
-	ret = check_expr_operands(file->tr, operand1, operand2);
-	if (ret)
-		goto free;
+	switch (field_op) {
+	case FIELD_OP_MINUS:
+		op_fn = hist_field_minus;
+		break;
+	case FIELD_OP_PLUS:
+		op_fn = hist_field_plus;
+		break;
+	case FIELD_OP_DIV:
+		op_fn = hist_field_div;
+		break;
+	case FIELD_OP_MULT:
+		op_fn = hist_field_mult;
+		break;
+	default:
+		ret = -EINVAL;
+		goto free_operands;
+	}
 
-	flags |= HIST_FIELD_FL_EXPR;
+	ret = check_expr_operands(file->tr, operand1, operand2, &var1, &var2);
+	if (ret)
+		goto free_operands;
+
+	operand_flags = var1 ? var1->flags : operand1->flags;
+	operand2_flags = var2 ? var2->flags : operand2->flags;
+
+	/*
+	 * If both operands are constant, the expression can be
+	 * collapsed to a single constant.
+	 */
+	combine_consts = operand_flags & operand2_flags & HIST_FIELD_FL_CONST;
+
+	flags |= combine_consts ? HIST_FIELD_FL_CONST : HIST_FIELD_FL_EXPR;
 
 	flags |= operand1->flags &
 		(HIST_FIELD_FL_TIMESTAMP | HIST_FIELD_FL_TIMESTAMP_USECS);
@@ -2294,45 +2592,80 @@
 	expr = create_hist_field(hist_data, NULL, flags, var_name);
 	if (!expr) {
 		ret = -ENOMEM;
-		goto free;
+		goto free_operands;
 	}
 
 	operand1->read_once = true;
 	operand2->read_once = true;
 
+	/* The operands are now owned and free'd by 'expr' */
 	expr->operands[0] = operand1;
 	expr->operands[1] = operand2;
 
-	/* The operand sizes should be the same, so just pick one */
-	expr->size = operand1->size;
-	expr->is_signed = operand1->is_signed;
+	if (field_op == FIELD_OP_DIV &&
+			operand2_flags & HIST_FIELD_FL_CONST) {
+		u64 divisor = var2 ? var2->constant : operand2->constant;
 
-	expr->operator = field_op;
-	expr->name = expr_str(expr, 0);
-	expr->type = kstrdup(operand1->type, GFP_KERNEL);
-	if (!expr->type) {
-		ret = -ENOMEM;
-		goto free;
+		if (!divisor) {
+			hist_err(file->tr, HIST_ERR_DIVISION_BY_ZERO, errpos(str));
+			ret = -EDOM;
+			goto free_expr;
+		}
+
+		/*
+		 * Copy the divisor here so we don't have to look it up
+		 * later if this is a var ref
+		 */
+		operand2->constant = divisor;
+		op_fn = hist_field_get_div_fn(operand2);
 	}
 
-	switch (field_op) {
-	case FIELD_OP_MINUS:
-		expr->fn = hist_field_minus;
-		break;
-	case FIELD_OP_PLUS:
-		expr->fn = hist_field_plus;
-		break;
-	default:
-		ret = -EINVAL;
-		goto free;
+	if (combine_consts) {
+		if (var1)
+			expr->operands[0] = var1;
+		if (var2)
+			expr->operands[1] = var2;
+
+		expr->constant = op_fn(expr, NULL, NULL, NULL);
+
+		expr->operands[0] = NULL;
+		expr->operands[1] = NULL;
+
+		/*
+		 * var refs won't be destroyed immediately
+		 * See: destroy_hist_field()
+		 */
+		destroy_hist_field(operand2, 0);
+		destroy_hist_field(operand1, 0);
+
+		expr->name = expr_str(expr, 0);
+	} else {
+		expr->fn = op_fn;
+
+		/* The operand sizes should be the same, so just pick one */
+		expr->size = operand1->size;
+		expr->is_signed = operand1->is_signed;
+
+		expr->operator = field_op;
+		expr->type = kstrdup_const(operand1->type, GFP_KERNEL);
+		if (!expr->type) {
+			ret = -ENOMEM;
+			goto free_expr;
+		}
+
+		expr->name = expr_str(expr, 0);
 	}
 
 	return expr;
- free:
-	destroy_hist_field(operand1, 0);
-	destroy_hist_field(operand2, 0);
-	destroy_hist_field(expr, 0);
 
+free_operands:
+	destroy_hist_field(operand2, 0);
+free_op1:
+	destroy_hist_field(operand1, 0);
+	return ERR_PTR(ret);
+
+free_expr:
+	destroy_hist_field(expr, 0);
 	return ERR_PTR(ret);
 }
 
@@ -3698,9 +4031,9 @@
 			      unsigned long flags)
 {
 	struct hist_field *hist_field;
-	int ret = 0;
+	int ret = 0, n_subexprs = 0;
 
-	hist_field = parse_expr(hist_data, file, field_str, flags, var_name, 0);
+	hist_field = parse_expr(hist_data, file, field_str, flags, var_name, &n_subexprs);
 	if (IS_ERR(hist_field)) {
 		ret = PTR_ERR(hist_field);
 		goto out;
@@ -3803,7 +4136,7 @@
 	struct hist_field *hist_field = NULL;
 	unsigned long flags = 0;
 	unsigned int key_size;
-	int ret = 0;
+	int ret = 0, n_subexprs = 0;
 
 	if (WARN_ON(key_idx >= HIST_FIELDS_MAX))
 		return -EINVAL;
@@ -3816,7 +4149,7 @@
 		hist_field = create_hist_field(hist_data, NULL, flags, NULL);
 	} else {
 		hist_field = parse_expr(hist_data, file, field_str, flags,
-					NULL, 0);
+					NULL, &n_subexprs);
 		if (IS_ERR(hist_field)) {
 			ret = PTR_ERR(hist_field);
 			goto out;
@@ -4856,6 +5189,8 @@
 
 	if (flags & HIST_FIELD_FL_ALIAS)
 		seq_puts(m, "        HIST_FIELD_FL_ALIAS\n");
+	else if (flags & HIST_FIELD_FL_CONST)
+		seq_puts(m, "        HIST_FIELD_FL_CONST\n");
 }
 
 static int hist_field_debug_show(struct seq_file *m,
@@ -4877,6 +5212,9 @@
 			   field->var.idx);
 	}
 
+	if (field->flags & HIST_FIELD_FL_CONST)
+		seq_printf(m, "      constant: %llu\n", field->constant);
+
 	if (field->flags & HIST_FIELD_FL_ALIAS)
 		seq_printf(m, "      var_ref_idx (into hist_data->var_refs[]): %u\n",
 			   field->var_ref_idx);
@@ -5119,6 +5457,8 @@
 
 	if (hist_field->flags & HIST_FIELD_FL_CPU)
 		seq_puts(m, "common_cpu");
+	else if (hist_field->flags & HIST_FIELD_FL_CONST)
+		seq_printf(m, "%llu", hist_field->constant);
 	else if (field_name) {
 		if (hist_field->flags & HIST_FIELD_FL_VAR_REF ||
 		    hist_field->flags & HIST_FIELD_FL_ALIAS)
@@ -5698,7 +6038,7 @@
 	struct synth_event *se;
 	const char *se_name;
 	bool remove = false;
-	char *trigger, *p;
+	char *trigger, *p, *start;
 	int ret = 0;
 
 	lockdep_assert_held(&event_mutex);
@@ -5746,6 +6086,16 @@
 		trigger = strstrip(trigger);
 	}
 
+	/*
+	 * To simplify arithmetic expression parsing, replace occurrences of
+	 * '.sym-offset' modifier with '.symXoffset'
+	 */
+	start = strstr(trigger, ".sym-offset");
+	while (start) {
+		*(start + 4) = 'X';
+		start = strstr(start + 11, ".sym-offset");
+	}
+
 	attrs = parse_hist_trigger_attrs(file->tr, trigger);
 	if (IS_ERR(attrs))
 		return PTR_ERR(attrs);
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 753b84c..469d767 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -312,23 +312,13 @@
 }
 EXPORT_SYMBOL(trace_raw_output_prep);
 
-void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	trace_seq_vprintf(&iter->seq, trace_event_format(iter, fmt), ap);
-	va_end(ap);
-}
-EXPORT_SYMBOL(trace_event_printf);
-
 static int trace_output_raw(struct trace_iterator *iter, char *name,
 			    char *fmt, va_list ap)
 {
 	struct trace_seq *s = &iter->seq;
 
 	trace_seq_printf(s, "%s: ", name);
-	trace_seq_vprintf(s, trace_event_format(iter, fmt), ap);
+	trace_seq_vprintf(s, fmt, ap);
 
 	return trace_handle_return(s);
 }
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index 3aa55b8..4593f16 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -14,6 +14,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/preemptirq.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/preemptirq.h>
 
 #ifdef CONFIG_TRACE_IRQFLAGS
 /* Per-cpu variable to prevent redundant calls when IRQs already off */
@@ -28,8 +30,11 @@
 void trace_hardirqs_on_prepare(void)
 {
 	if (this_cpu_read(tracing_irq_cpu)) {
-		if (!in_nmi())
+		if (!in_nmi()) {
 			trace_irq_enable(CALLER_ADDR0, CALLER_ADDR1);
+			trace_android_rvh_irqs_enable(CALLER_ADDR0,
+						      CALLER_ADDR1);
+		}
 		tracer_hardirqs_on(CALLER_ADDR0, CALLER_ADDR1);
 		this_cpu_write(tracing_irq_cpu, 0);
 	}
@@ -40,8 +45,11 @@
 void trace_hardirqs_on(void)
 {
 	if (this_cpu_read(tracing_irq_cpu)) {
-		if (!in_nmi())
+		if (!in_nmi()) {
 			trace_irq_enable_rcuidle(CALLER_ADDR0, CALLER_ADDR1);
+			trace_android_rvh_irqs_enable(CALLER_ADDR0,
+						      CALLER_ADDR1);
+		}
 		tracer_hardirqs_on(CALLER_ADDR0, CALLER_ADDR1);
 		this_cpu_write(tracing_irq_cpu, 0);
 	}
@@ -63,8 +71,11 @@
 	if (!this_cpu_read(tracing_irq_cpu)) {
 		this_cpu_write(tracing_irq_cpu, 1);
 		tracer_hardirqs_off(CALLER_ADDR0, CALLER_ADDR1);
-		if (!in_nmi())
+		if (!in_nmi()) {
 			trace_irq_disable(CALLER_ADDR0, CALLER_ADDR1);
+			trace_android_rvh_irqs_disable(CALLER_ADDR0,
+						       CALLER_ADDR1);
+		}
 	}
 
 }
@@ -78,8 +89,11 @@
 	if (!this_cpu_read(tracing_irq_cpu)) {
 		this_cpu_write(tracing_irq_cpu, 1);
 		tracer_hardirqs_off(CALLER_ADDR0, CALLER_ADDR1);
-		if (!in_nmi())
+		if (!in_nmi()) {
 			trace_irq_disable_rcuidle(CALLER_ADDR0, CALLER_ADDR1);
+			trace_android_rvh_irqs_disable(CALLER_ADDR0,
+						       CALLER_ADDR1);
+		}
 	}
 }
 EXPORT_SYMBOL(trace_hardirqs_off);
@@ -88,8 +102,11 @@
 __visible void trace_hardirqs_on_caller(unsigned long caller_addr)
 {
 	if (this_cpu_read(tracing_irq_cpu)) {
-		if (!in_nmi())
+		if (!in_nmi()) {
 			trace_irq_enable_rcuidle(CALLER_ADDR0, caller_addr);
+			trace_android_rvh_irqs_enable(CALLER_ADDR0,
+						      caller_addr);
+		}
 		tracer_hardirqs_on(CALLER_ADDR0, caller_addr);
 		this_cpu_write(tracing_irq_cpu, 0);
 	}
@@ -107,8 +124,11 @@
 	if (!this_cpu_read(tracing_irq_cpu)) {
 		this_cpu_write(tracing_irq_cpu, 1);
 		tracer_hardirqs_off(CALLER_ADDR0, caller_addr);
-		if (!in_nmi())
+		if (!in_nmi()) {
 			trace_irq_disable_rcuidle(CALLER_ADDR0, caller_addr);
+			trace_android_rvh_irqs_enable(CALLER_ADDR0,
+						      caller_addr);
+		}
 	}
 }
 EXPORT_SYMBOL(trace_hardirqs_off_caller);
@@ -119,15 +139,19 @@
 
 void trace_preempt_on(unsigned long a0, unsigned long a1)
 {
-	if (!in_nmi())
+	if (!in_nmi()) {
 		trace_preempt_enable_rcuidle(a0, a1);
+		trace_android_rvh_preempt_enable(a0, a1);
+	}
 	tracer_preempt_on(a0, a1);
 }
 
 void trace_preempt_off(unsigned long a0, unsigned long a1)
 {
-	if (!in_nmi())
+	if (!in_nmi()) {
 		trace_preempt_disable_rcuidle(a0, a1);
+		trace_android_rvh_preempt_disable(a0, a1);
+	}
 	tracer_preempt_off(a0, a1);
 }
 #endif
diff --git a/kernel/trace/trace_readwrite.c b/kernel/trace/trace_readwrite.c
new file mode 100644
index 0000000..bc2e8f8
--- /dev/null
+++ b/kernel/trace/trace_readwrite.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Register read and write tracepoints
+ *
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/kallsyms.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <linux/ftrace.h>
+#include <linux/log_mmiorw.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/rwmmio.h>
+
+#ifdef CONFIG_TRACE_MMIO_ACCESS
+void __log_write_mmio(u64 val, u8 width, volatile void __iomem *addr)
+{
+	trace_rwmmio_write(CALLER_ADDR0, val, width, addr);
+}
+EXPORT_SYMBOL_GPL(__log_write_mmio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_write);
+
+void __log_read_mmio(u8 width, const volatile void __iomem *addr)
+{
+	trace_rwmmio_read(CALLER_ADDR0, width, addr);
+}
+EXPORT_SYMBOL_GPL(__log_read_mmio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_read);
+
+void __log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr)
+{
+	trace_rwmmio_post_read(CALLER_ADDR0, val, width, addr);
+}
+EXPORT_SYMBOL_GPL(__log_post_read_mmio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_read);
+#endif
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 2dff7f1..6d5de5d 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -807,3 +807,82 @@
 	}
 }
 #endif
+
+#ifdef CONFIG_ANDROID_VENDOR_HOOKS
+
+static void *rvh_zalloc_funcs(int count)
+{
+	return kzalloc(sizeof(struct tracepoint_func) * count, GFP_KERNEL);
+}
+
+#define ANDROID_RVH_NR_PROBES_MAX	2
+static int rvh_func_add(struct tracepoint *tp, struct tracepoint_func *func)
+{
+	int i;
+
+	if (!static_key_enabled(&tp->key)) {
+		/* '+ 1' for the last NULL element */
+		tp->funcs = rvh_zalloc_funcs(ANDROID_RVH_NR_PROBES_MAX + 1);
+		if (!tp->funcs)
+			return ENOMEM;
+	}
+
+	for (i = 0; i < ANDROID_RVH_NR_PROBES_MAX; i++) {
+		if (!tp->funcs[i].func) {
+			if (!static_key_enabled(&tp->key))
+				tp->funcs[i].data = func->data;
+			WRITE_ONCE(tp->funcs[i].func, func->func);
+
+			return 0;
+		}
+	}
+
+	return -EBUSY;
+}
+
+static int android_rvh_add_func(struct tracepoint *tp, struct tracepoint_func *func)
+{
+	int ret;
+
+	if (tp->regfunc && !static_key_enabled(&tp->key)) {
+		ret = tp->regfunc();
+		if (ret < 0)
+			return ret;
+	}
+
+	ret = rvh_func_add(tp, func);
+	if (ret)
+		return ret;
+	tracepoint_update_call(tp, tp->funcs);
+	static_key_enable(&tp->key);
+
+	return 0;
+}
+
+int android_rvh_probe_register(struct tracepoint *tp, void *probe, void *data)
+{
+	struct tracepoint_func tp_func;
+	int ret;
+
+	/*
+	 * Once the static key has been flipped, the array may be read
+	 * concurrently. Although __traceiter_*()  always checks .func first,
+	 * it doesn't enforce read->read dependencies, and we can't strongly
+	 * guarantee it will see the correct .data for the second element
+	 * without adding smp_load_acquire() in the fast path. But this is a
+	 * corner case which is unlikely to be needed by anybody in practice,
+	 * so let's just forbid it and keep the fast path clean.
+	 */
+	if (WARN_ON(static_key_enabled(&tp->key) && data))
+		return -EINVAL;
+
+	mutex_lock(&tracepoints_mutex);
+	tp_func.func = probe;
+	tp_func.data = data;
+	ret = android_rvh_add_func(tp, &tp_func);
+	mutex_unlock(&tracepoints_mutex);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(android_rvh_probe_register);
+#endif
diff --git a/kernel/user.c b/kernel/user.c
index b1635d9..83adc37 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -20,6 +20,8 @@
 #include <linux/user_namespace.h>
 #include <linux/proc_ns.h>
 
+#include <trace/hooks/user.h>
+
 /*
  * userns count is 1 for root user, 1 for init_uts_ns,
  * and 1 for... ?
@@ -139,6 +141,7 @@
 static void free_user(struct user_struct *up, unsigned long flags)
 	__releases(&uidhash_lock)
 {
+	trace_android_vh_free_user(up);
 	uid_hash_remove(up);
 	spin_unlock_irqrestore(&uidhash_lock, flags);
 	kmem_cache_free(uid_cachep, up);
@@ -160,6 +163,7 @@
 	spin_unlock_irqrestore(&uidhash_lock, flags);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(find_user);
 
 void free_uid(struct user_struct *up)
 {
@@ -171,6 +175,7 @@
 	if (refcount_dec_and_lock_irqsave(&up->__count, &uidhash_lock, &flags))
 		free_user(up, flags);
 }
+EXPORT_SYMBOL_GPL(free_uid);
 
 struct user_struct *alloc_uid(kuid_t uid)
 {
@@ -188,6 +193,7 @@
 
 		new->uid = uid;
 		refcount_set(&new->__count, 1);
+		trace_android_vh_alloc_uid(new);
 		ratelimit_state_init(&new->ratelimit, HZ, 100);
 		ratelimit_set_flags(&new->ratelimit, RATELIMIT_MSG_ON_RELEASE);
 
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 78a4603..0b1ae2a1b 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -27,6 +27,8 @@
 #include <asm/irq_regs.h>
 #include <linux/kvm_para.h>
 
+#include <trace/hooks/softlockup.h>
+
 static DEFINE_MUTEX(watchdog_mutex);
 
 #if defined(CONFIG_HARDLOCKUP_DETECTOR) || defined(CONFIG_HAVE_NMI_WATCHDOG)
@@ -427,6 +429,7 @@
 			clear_bit_unlock(0, &soft_lockup_nmi_warn);
 		}
 
+		trace_android_vh_watchdog_timer_softlockup(duration, regs, !!softlockup_panic);
 		add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK);
 		if (softlockup_panic)
 			panic("softlockup: hung tasks");
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 63140e4..c2abbaa 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -54,6 +54,11 @@
 
 #include "workqueue_internal.h"
 
+#include <trace/hooks/wqlockup.h>
+#include <trace/hooks/workqueue.h>
+/* events/workqueue.h uses default TRACE_INCLUDE_PATH */
+#undef TRACE_INCLUDE_PATH
+
 enum {
 	/*
 	 * worker_pool flags
@@ -207,7 +212,7 @@
 						/* L: nr of in_flight works */
 	int			nr_active;	/* L: nr of active works */
 	int			max_active;	/* L: max active works */
-	struct list_head	inactive_works;	/* L: inactive works */
+	struct list_head	delayed_works;	/* L: delayed works */
 	struct list_head	pwqs_node;	/* WR: node on wq->pwqs */
 	struct list_head	mayday_node;	/* MD: node on wq->maydays */
 
@@ -362,6 +367,9 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/workqueue.h>
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(workqueue_execute_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(workqueue_execute_end);
+
 #define assert_rcu_or_pool_mutex()					\
 	RCU_LOCKDEP_WARN(!rcu_read_lock_held() &&			\
 			 !lockdep_is_held(&wq_pool_mutex),		\
@@ -1148,7 +1156,7 @@
 	}
 }
 
-static void pwq_activate_inactive_work(struct work_struct *work)
+static void pwq_activate_delayed_work(struct work_struct *work)
 {
 	struct pool_workqueue *pwq = get_work_pwq(work);
 
@@ -1156,16 +1164,16 @@
 	if (list_empty(&pwq->pool->worklist))
 		pwq->pool->watchdog_ts = jiffies;
 	move_linked_works(work, &pwq->pool->worklist, NULL);
-	__clear_bit(WORK_STRUCT_INACTIVE_BIT, work_data_bits(work));
+	__clear_bit(WORK_STRUCT_DELAYED_BIT, work_data_bits(work));
 	pwq->nr_active++;
 }
 
-static void pwq_activate_first_inactive(struct pool_workqueue *pwq)
+static void pwq_activate_first_delayed(struct pool_workqueue *pwq)
 {
-	struct work_struct *work = list_first_entry(&pwq->inactive_works,
+	struct work_struct *work = list_first_entry(&pwq->delayed_works,
 						    struct work_struct, entry);
 
-	pwq_activate_inactive_work(work);
+	pwq_activate_delayed_work(work);
 }
 
 /**
@@ -1188,10 +1196,10 @@
 	pwq->nr_in_flight[color]--;
 
 	pwq->nr_active--;
-	if (!list_empty(&pwq->inactive_works)) {
-		/* one down, submit an inactive one */
+	if (!list_empty(&pwq->delayed_works)) {
+		/* one down, submit a delayed one */
 		if (pwq->nr_active < pwq->max_active)
-			pwq_activate_first_inactive(pwq);
+			pwq_activate_first_delayed(pwq);
 	}
 
 	/* is flush in progress and are we at the flushing tip? */
@@ -1293,14 +1301,14 @@
 		debug_work_deactivate(work);
 
 		/*
-		 * An inactive work item cannot be grabbed directly because
+		 * A delayed work item cannot be grabbed directly because
 		 * it might have linked NO_COLOR work items which, if left
-		 * on the inactive_works list, will confuse pwq->nr_active
+		 * on the delayed_list, will confuse pwq->nr_active
 		 * management later on and cause stall.  Make sure the work
 		 * item is activated before grabbing.
 		 */
-		if (*work_data_bits(work) & WORK_STRUCT_INACTIVE)
-			pwq_activate_inactive_work(work);
+		if (*work_data_bits(work) & WORK_STRUCT_DELAYED)
+			pwq_activate_delayed_work(work);
 
 		list_del_init(&work->entry);
 		pwq_dec_nr_in_flight(pwq, get_work_color(work));
@@ -1340,6 +1348,9 @@
 {
 	struct worker_pool *pool = pwq->pool;
 
+	/* record the work call stack in order to print it in KASAN reports */
+	kasan_record_aux_stack_noalloc(work);
+
 	/* we own @work, set data and link */
 	set_work_pwq(work, pwq, extra_flags);
 	list_add_tail(&work->entry, head);
@@ -1499,8 +1510,8 @@
 		if (list_empty(worklist))
 			pwq->pool->watchdog_ts = jiffies;
 	} else {
-		work_flags |= WORK_STRUCT_INACTIVE;
-		worklist = &pwq->inactive_works;
+		work_flags |= WORK_STRUCT_DELAYED;
+		worklist = &pwq->delayed_works;
 	}
 
 	debug_work_activate(work);
@@ -1640,7 +1651,14 @@
 	struct work_struct *work = &dwork->work;
 
 	WARN_ON_ONCE(!wq);
-	WARN_ON_ONCE(timer->function != delayed_work_timer_fn);
+	/*
+	 * With CFI, timer->function can point to a jump table entry in a module,
+	 * which fails the comparison. Disable the warning if CFI and modules are
+	 * both enabled.
+	 */
+	if (!IS_ENABLED(CONFIG_CFI_CLANG) || !IS_ENABLED(CONFIG_MODULES))
+		WARN_ON_ONCE(timer->function != delayed_work_timer_fn);
+
 	WARN_ON_ONCE(timer_pending(timer));
 	WARN_ON_ONCE(!list_empty(&work->entry));
 
@@ -1944,6 +1962,7 @@
 	if (IS_ERR(worker->task))
 		goto fail;
 
+	trace_android_vh_create_worker(worker, pool->attrs);
 	set_user_nice(worker->task, pool->attrs->nice);
 	kthread_bind_mask(worker->task, pool->attrs->cpumask);
 
@@ -2537,7 +2556,7 @@
 			/*
 			 * The above execution of rescued work items could
 			 * have created more to rescue through
-			 * pwq_activate_first_inactive() or chained
+			 * pwq_activate_first_delayed() or chained
 			 * queueing.  Let's put @pwq back on mayday list so
 			 * that such back-to-back work items, which may be
 			 * being used to relieve memory pressure, don't
@@ -2963,7 +2982,7 @@
 		bool drained;
 
 		raw_spin_lock_irq(&pwq->pool->lock);
-		drained = !pwq->nr_active && list_empty(&pwq->inactive_works);
+		drained = !pwq->nr_active && list_empty(&pwq->delayed_works);
 		raw_spin_unlock_irq(&pwq->pool->lock);
 
 		if (drained)
@@ -3726,7 +3745,7 @@
  * @pwq: target pool_workqueue
  *
  * If @pwq isn't freezing, set @pwq->max_active to the associated
- * workqueue's saved_max_active and activate inactive work items
+ * workqueue's saved_max_active and activate delayed work items
  * accordingly.  If @pwq is freezing, clear @pwq->max_active to zero.
  */
 static void pwq_adjust_max_active(struct pool_workqueue *pwq)
@@ -3755,9 +3774,9 @@
 
 		pwq->max_active = wq->saved_max_active;
 
-		while (!list_empty(&pwq->inactive_works) &&
+		while (!list_empty(&pwq->delayed_works) &&
 		       pwq->nr_active < pwq->max_active) {
-			pwq_activate_first_inactive(pwq);
+			pwq_activate_first_delayed(pwq);
 			kick = true;
 		}
 
@@ -3788,7 +3807,7 @@
 	pwq->wq = wq;
 	pwq->flush_color = -1;
 	pwq->refcnt = 1;
-	INIT_LIST_HEAD(&pwq->inactive_works);
+	INIT_LIST_HEAD(&pwq->delayed_works);
 	INIT_LIST_HEAD(&pwq->pwqs_node);
 	INIT_LIST_HEAD(&pwq->mayday_node);
 	INIT_WORK(&pwq->unbound_release_work, pwq_unbound_release_workfn);
@@ -4375,7 +4394,7 @@
 
 	if ((pwq != pwq->wq->dfl_pwq) && (pwq->refcnt > 1))
 		return true;
-	if (pwq->nr_active || !list_empty(&pwq->inactive_works))
+	if (pwq->nr_active || !list_empty(&pwq->delayed_works))
 		return true;
 
 	return false;
@@ -4571,7 +4590,7 @@
 	else
 		pwq = unbound_pwq_by_node(wq, cpu_to_node(cpu));
 
-	ret = !list_empty(&pwq->inactive_works);
+	ret = !list_empty(&pwq->delayed_works);
 	preempt_enable();
 	rcu_read_unlock();
 
@@ -4767,11 +4786,11 @@
 		pr_cont("\n");
 	}
 
-	if (!list_empty(&pwq->inactive_works)) {
+	if (!list_empty(&pwq->delayed_works)) {
 		bool comma = false;
 
-		pr_info("    inactive:");
-		list_for_each_entry(work, &pwq->inactive_works, entry) {
+		pr_info("    delayed:");
+		list_for_each_entry(work, &pwq->delayed_works, entry) {
 			pr_cont_work(comma, work);
 			comma = !(*work_data_bits(work) & WORK_STRUCT_LINKED);
 		}
@@ -4801,7 +4820,7 @@
 		bool idle = true;
 
 		for_each_pwq(pwq, wq) {
-			if (pwq->nr_active || !list_empty(&pwq->inactive_works)) {
+			if (pwq->nr_active || !list_empty(&pwq->delayed_works)) {
 				idle = false;
 				break;
 			}
@@ -4813,7 +4832,7 @@
 
 		for_each_pwq(pwq, wq) {
 			raw_spin_lock_irqsave(&pwq->pool->lock, flags);
-			if (pwq->nr_active || !list_empty(&pwq->inactive_works))
+			if (pwq->nr_active || !list_empty(&pwq->delayed_works))
 				show_pwq(pwq);
 			raw_spin_unlock_irqrestore(&pwq->pool->lock, flags);
 			/*
@@ -4828,19 +4847,16 @@
 	for_each_pool(pool, pi) {
 		struct worker *worker;
 		bool first = true;
-		unsigned long hung = 0;
 
 		raw_spin_lock_irqsave(&pool->lock, flags);
 		if (pool->nr_workers == pool->nr_idle)
 			goto next_pool;
 
-		/* How long the first pending work is waiting for a worker. */
-		if (!list_empty(&pool->worklist))
-			hung = jiffies_to_msecs(jiffies - pool->watchdog_ts) / 1000;
-
 		pr_info("pool %d:", pool->id);
 		pr_cont_pool_info(pool);
-		pr_cont(" hung=%lus workers=%d", hung, pool->nr_workers);
+		pr_cont(" hung=%us workers=%d",
+			jiffies_to_msecs(jiffies - pool->watchdog_ts) / 1000,
+			pool->nr_workers);
 		if (pool->manager)
 			pr_cont(" manager: %d",
 				task_pid_nr(pool->manager->task));
@@ -5191,7 +5207,7 @@
  * freeze_workqueues_begin - begin freezing workqueues
  *
  * Start freezing workqueues.  After this function returns, all freezable
- * workqueues will queue new works to their inactive_works list instead of
+ * workqueues will queue new works to their delayed_works list instead of
  * pool->worklist.
  *
  * CONTEXT:
@@ -5843,6 +5859,7 @@
 			pr_cont_pool_info(pool);
 			pr_cont(" stuck for %us!\n",
 				jiffies_to_msecs(now - pool_ts) / 1000);
+			trace_android_vh_wq_lockup_pool(pool->cpu, pool_ts);
 		}
 	}
 
diff --git a/lib/Kconfig b/lib/Kconfig
index 3632686..f9660d0 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -655,6 +655,15 @@
 	bool
 	select STACKTRACE
 
+config STACK_HASH_ORDER
+	int "stack depot hash size (12 => 4KB, 20 => 1024KB)"
+	range 12 20
+	default 20
+	depends on STACKDEPOT
+	help
+	 Select the hash size as a power of 2 for the stackdepot hash table.
+	 Choose a lower value to reduce the memory impact.
+
 config SBITMAP
 	bool
 
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 24ca61c..887b910 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -880,6 +880,7 @@
 	  If in doubt, say "N".
 
 source "lib/Kconfig.kasan"
+source "lib/Kconfig.kfence"
 
 endmenu # "Memory Debugging"
 
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 542a9c1..fbfc705 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -6,24 +6,39 @@
 config HAVE_ARCH_KASAN_SW_TAGS
 	bool
 
-config	HAVE_ARCH_KASAN_VMALLOC
+config HAVE_ARCH_KASAN_HW_TAGS
 	bool
 
+config HAVE_ARCH_KASAN_VMALLOC
+	bool
+
+config ARCH_DISABLE_KASAN_INLINE
+	bool
+	help
+	  An architecture might not support inline instrumentation.
+	  When this option is selected, inline and stack instrumentation are
+	  disabled.
+
 config CC_HAS_KASAN_GENERIC
 	def_bool $(cc-option, -fsanitize=kernel-address)
 
 config CC_HAS_KASAN_SW_TAGS
 	def_bool $(cc-option, -fsanitize=kernel-hwaddress)
 
+# This option is only required for software KASAN modes.
+# Old GCC versions don't have proper support for no_sanitize_address.
+# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89124 for details.
 config CC_HAS_WORKING_NOSANITIZE_ADDRESS
 	def_bool !CC_IS_GCC || GCC_VERSION >= 80300
 
 menuconfig KASAN
 	bool "KASAN: runtime memory debugger"
-	depends on (HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC) || \
-		   (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS)
+	depends on (((HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC) || \
+		     (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS)) && \
+		    CC_HAS_WORKING_NOSANITIZE_ADDRESS) || \
+		   HAVE_ARCH_KASAN_HW_TAGS
 	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
-	depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS
+	select STACKDEPOT
 	help
 	  Enables KASAN (KernelAddressSANitizer) - runtime memory debugger,
 	  designed to find out-of-bounds accesses and use-after-free bugs.
@@ -35,21 +50,25 @@
 	prompt "KASAN mode"
 	default KASAN_GENERIC
 	help
-	  KASAN has two modes: generic KASAN (similar to userspace ASan,
-	  x86_64/arm64/xtensa, enabled with CONFIG_KASAN_GENERIC) and
-	  software tag-based KASAN (a version based on software memory
-	  tagging, arm64 only, similar to userspace HWASan, enabled with
-	  CONFIG_KASAN_SW_TAGS).
+	  KASAN has three modes:
+	  1. generic KASAN (similar to userspace ASan,
+	     x86_64/arm64/xtensa, enabled with CONFIG_KASAN_GENERIC),
+	  2. software tag-based KASAN (arm64 only, based on software
+	     memory tagging (similar to userspace HWASan), enabled with
+	     CONFIG_KASAN_SW_TAGS), and
+	  3. hardware tag-based KASAN (arm64 only, based on hardware
+	     memory tagging, enabled with CONFIG_KASAN_HW_TAGS).
 
-	  Both generic and tag-based KASAN are strictly debugging features.
+	  All KASAN modes are strictly debugging features.
+
+	  For better error reports enable CONFIG_STACKTRACE.
 
 config KASAN_GENERIC
 	bool "Generic mode"
 	depends on HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC
-	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
+	depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS
 	select SLUB_DEBUG if SLUB
 	select CONSTRUCTORS
-	select STACKDEPOT
 	help
 	  Enables generic KASAN mode.
 
@@ -62,23 +81,23 @@
 	  and introduces an overhead of ~x1.5 for the rest of the allocations.
 	  The performance slowdown is ~x3.
 
-	  For better error detection enable CONFIG_STACKTRACE.
-
 	  Currently CONFIG_KASAN_GENERIC doesn't work with CONFIG_DEBUG_SLAB
 	  (the resulting kernel does not boot).
 
 config KASAN_SW_TAGS
 	bool "Software tag-based mode"
 	depends on HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS
-	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
+	depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS
 	select SLUB_DEBUG if SLUB
 	select CONSTRUCTORS
-	select STACKDEPOT
 	help
 	  Enables software tag-based KASAN mode.
 
-	  This mode requires Top Byte Ignore support by the CPU and therefore
-	  is only supported for arm64. This mode requires Clang.
+	  This mode require software memory tagging support in the form of
+	  HWASan-like compiler instrumentation.
+
+	  Currently this mode is only implemented for arm64 CPUs and relies on
+	  Top Byte Ignore. This mode requires Clang.
 
 	  This mode consumes about 1/16th of available memory at kernel start
 	  and introduces an overhead of ~20% for the rest of the allocations.
@@ -86,15 +105,27 @@
 	  casting and comparison, as it embeds tags into the top byte of each
 	  pointer.
 
-	  For better error detection enable CONFIG_STACKTRACE.
-
 	  Currently CONFIG_KASAN_SW_TAGS doesn't work with CONFIG_DEBUG_SLAB
 	  (the resulting kernel does not boot).
 
+config KASAN_HW_TAGS
+	bool "Hardware tag-based mode"
+	depends on HAVE_ARCH_KASAN_HW_TAGS
+	depends on SLUB
+	help
+	  Enables hardware tag-based KASAN mode.
+
+	  This mode requires hardware memory tagging support, and can be used
+	  by any architecture that provides it.
+
+	  Currently this mode is only implemented for arm64 CPUs starting from
+	  ARMv8.5 and relies on Memory Tagging Extension and Top Byte Ignore.
+
 endchoice
 
 choice
 	prompt "Instrumentation type"
+	depends on KASAN_GENERIC || KASAN_SW_TAGS
 	default KASAN_OUTLINE
 
 config KASAN_OUTLINE
@@ -108,6 +139,7 @@
 
 config KASAN_INLINE
 	bool "Inline instrumentation"
+	depends on !ARCH_DISABLE_KASAN_INLINE
 	help
 	  Compiler directly inserts code checking shadow memory before
 	  memory accesses. This is faster than outline (in some workloads
@@ -116,8 +148,11 @@
 
 endchoice
 
-config KASAN_STACK_ENABLE
+config KASAN_STACK
 	bool "Enable stack instrumentation (unsafe)" if CC_IS_CLANG && !COMPILE_TEST
+	depends on KASAN_GENERIC || KASAN_SW_TAGS
+	depends on !ARCH_DISABLE_KASAN_INLINE
+	default y if CC_IS_GCC
 	help
 	  The LLVM stack address sanitizer has a know problem that
 	  causes excessive stack usage in a lot of functions, see
@@ -130,11 +165,9 @@
 	  but clang users can still enable it for builds without
 	  CONFIG_COMPILE_TEST.	On gcc it is assumed to always be safe
 	  to use and enabled by default.
-
-config KASAN_STACK
-	int
-	default 1 if KASAN_STACK_ENABLE || CC_IS_GCC
-	default 0
+	  If the architecture disables inline instrumentation, stack
+	  instrumentation is also disabled as it adds inline-style
+	  instrumentation that is run unconditionally.
 
 config KASAN_S390_4_LEVEL_PAGING
 	bool "KASan: use 4-level paging"
@@ -145,26 +178,26 @@
 	  to 3TB of RAM with KASan enabled). This options allows to force
 	  4-level paging instead.
 
-config KASAN_SW_TAGS_IDENTIFY
+config KASAN_TAGS_IDENTIFY
 	bool "Enable memory corruption identification"
-	depends on KASAN_SW_TAGS
+	depends on KASAN_SW_TAGS || KASAN_HW_TAGS
 	help
 	  This option enables best-effort identification of bug type
 	  (use-after-free or out-of-bounds) at the cost of increased
 	  memory consumption.
 
 config KASAN_VMALLOC
-	bool "Back mappings in vmalloc space with real shadow memory"
+	bool "Check accesses to vmalloc allocations"
 	depends on HAVE_ARCH_KASAN_VMALLOC
 	help
-	  By default, the shadow region for vmalloc space is the read-only
-	  zero page. This means that KASAN cannot detect errors involving
-	  vmalloc space.
+	  This mode makes KASAN check accesses to vmalloc allocations for
+	  validity.
 
-	  Enabling this option will hook in to vmap/vmalloc and back those
-	  mappings with real shadow memory allocated on demand. This allows
-	  for KASAN to detect more sorts of errors (and to support vmapped
-	  stacks), but at the cost of higher memory usage.
+	  With software KASAN modes, checking is done for all types of vmalloc
+	  allocations. Enabling this option leads to higher memory usage.
+
+	  With hardware tag-based KASAN, only VM_ALLOC mappings are checked.
+	  There is no additional memory usage.
 
 config KASAN_KUNIT_TEST
 	tristate "KUnit-compatible tests of KASAN bug detection capabilities" if !KUNIT_ALL_TESTS
@@ -176,11 +209,11 @@
 	  kernel debugging features like KASAN.
 
 	  For more information on KUnit and unit tests in general, please refer
-	  to the KUnit documentation in Documentation/dev-tools/kunit
+	  to the KUnit documentation in Documentation/dev-tools/kunit.
 
-config TEST_KASAN_MODULE
+config KASAN_MODULE_TEST
 	tristate "KUnit-incompatible tests of KASAN bug detection capabilities"
-	depends on m && KASAN
+	depends on m && KASAN && !KASAN_HW_TAGS
 	help
 	  This is a part of the KASAN test suite that is incompatible with
 	  KUnit. Currently includes tests that do bad copy_from/to_user
diff --git a/lib/Kconfig.kfence b/lib/Kconfig.kfence
new file mode 100644
index 0000000..e641add3
--- /dev/null
+++ b/lib/Kconfig.kfence
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+config HAVE_ARCH_KFENCE
+	bool
+
+menuconfig KFENCE
+	bool "KFENCE: low-overhead sampling-based memory safety error detector"
+	depends on HAVE_ARCH_KFENCE && (SLAB || SLUB)
+	select STACKTRACE
+	select IRQ_WORK
+	help
+	  KFENCE is a low-overhead sampling-based detector of heap out-of-bounds
+	  access, use-after-free, and invalid-free errors. KFENCE is designed
+	  to have negligible cost to permit enabling it in production
+	  environments.
+
+	  See <file:Documentation/dev-tools/kfence.rst> for more details.
+
+	  Note that, KFENCE is not a substitute for explicit testing with tools
+	  such as KASAN. KFENCE can detect a subset of bugs that KASAN can
+	  detect, albeit at very different performance profiles. If you can
+	  afford to use KASAN, continue using KASAN, for example in test
+	  environments. If your kernel targets production use, and cannot
+	  enable KASAN due to its cost, consider using KFENCE.
+
+if KFENCE
+
+config KFENCE_STATIC_KEYS
+	bool "Use static keys to set up allocations"
+	default y
+	depends on JUMP_LABEL # To ensure performance, require jump labels
+	help
+	  Use static keys (static branches) to set up KFENCE allocations. Using
+	  static keys is normally recommended, because it avoids a dynamic
+	  branch in the allocator's fast path. However, with very low sample
+	  intervals, or on systems that do not support jump labels, a dynamic
+	  branch may still be an acceptable performance trade-off.
+
+config KFENCE_SAMPLE_INTERVAL
+	int "Default sample interval in milliseconds"
+	default 100
+	help
+	  The KFENCE sample interval determines the frequency with which heap
+	  allocations will be guarded by KFENCE. May be overridden via boot
+	  parameter "kfence.sample_interval".
+
+	  Set this to 0 to disable KFENCE by default, in which case only
+	  setting "kfence.sample_interval" to a non-zero value enables KFENCE.
+
+config KFENCE_NUM_OBJECTS
+	int "Number of guarded objects available"
+	range 1 65535
+	default 255
+	help
+	  The number of guarded objects available. For each KFENCE object, 2
+	  pages are required; with one containing the object and two adjacent
+	  ones used as guard pages.
+
+config KFENCE_STRESS_TEST_FAULTS
+	int "Stress testing of fault handling and error reporting" if EXPERT
+	default 0
+	help
+	  The inverse probability with which to randomly protect KFENCE object
+	  pages, resulting in spurious use-after-frees. The main purpose of
+	  this option is to stress test KFENCE with concurrent error reports
+	  and allocations/frees. A value of 0 disables stress testing logic.
+
+	  Only for KFENCE testing; set to 0 if you are not a KFENCE developer.
+
+config KFENCE_KUNIT_TEST
+	tristate "KFENCE integration test suite" if !KUNIT_ALL_TESTS
+	default KUNIT_ALL_TESTS
+	depends on TRACEPOINTS && KUNIT
+	help
+	  Test suite for KFENCE, testing various error detection scenarios with
+	  various allocation types, and checking that reports are correctly
+	  output to console.
+
+	  Say Y here if you want the test to be built into the kernel and run
+	  during boot; say M if you want the test to build as a module; say N
+	  if you are unsure.
+
+endif # KFENCE
diff --git a/lib/Makefile b/lib/Makefile
index a803e15..1864a5e 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -68,7 +68,7 @@
 obj-$(CONFIG_KASAN_KUNIT_TEST) += test_kasan.o
 CFLAGS_test_kasan.o += -fno-builtin
 CFLAGS_test_kasan.o += $(call cc-disable-warning, vla)
-obj-$(CONFIG_TEST_KASAN_MODULE) += test_kasan_module.o
+obj-$(CONFIG_KASAN_MODULE_TEST) += test_kasan_module.o
 CFLAGS_test_kasan_module.o += -fno-builtin
 obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
 CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index 649ed44..f8d310d 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -156,7 +156,7 @@
 	struct xbc_node *node;
 
 	if (parent)
-		node = xbc_node_get_child(parent);
+		node = xbc_node_get_subkey(parent);
 	else
 		node = xbc_root_node();
 
@@ -164,7 +164,7 @@
 		if (!xbc_node_match_prefix(node, &key))
 			node = xbc_node_get_next(node);
 		else if (*key != '\0')
-			node = xbc_node_get_child(node);
+			node = xbc_node_get_subkey(node);
 		else
 			break;
 	}
@@ -274,6 +274,8 @@
 struct xbc_node * __init xbc_node_find_next_leaf(struct xbc_node *root,
 						 struct xbc_node *node)
 {
+	struct xbc_node *next;
+
 	if (unlikely(!xbc_data))
 		return NULL;
 
@@ -282,6 +284,13 @@
 		if (!node)
 			node = xbc_nodes;
 	} else {
+		/* Leaf node may have a subkey */
+		next = xbc_node_get_subkey(node);
+		if (next) {
+			node = next;
+			goto found;
+		}
+
 		if (node == root)	/* @root was a leaf, no child node. */
 			return NULL;
 
@@ -296,6 +305,7 @@
 		node = xbc_node_get_next(node);
 	}
 
+found:
 	while (node && !xbc_node_is_leaf(node))
 		node = xbc_node_get_child(node);
 
@@ -367,18 +377,28 @@
 	return node;
 }
 
-static struct xbc_node * __init xbc_add_sibling(char *data, u32 flag)
+static inline __init struct xbc_node *xbc_last_child(struct xbc_node *node)
+{
+	while (node->child)
+		node = xbc_node_get_child(node);
+
+	return node;
+}
+
+static struct xbc_node * __init __xbc_add_sibling(char *data, u32 flag, bool head)
 {
 	struct xbc_node *sib, *node = xbc_add_node(data, flag);
 
 	if (node) {
 		if (!last_parent) {
+			/* Ignore @head in this case */
 			node->parent = XBC_NODE_MAX;
 			sib = xbc_last_sibling(xbc_nodes);
 			sib->next = xbc_node_index(node);
 		} else {
 			node->parent = xbc_node_index(last_parent);
-			if (!last_parent->child) {
+			if (!last_parent->child || head) {
+				node->next = last_parent->child;
 				last_parent->child = xbc_node_index(node);
 			} else {
 				sib = xbc_node_get_child(last_parent);
@@ -392,6 +412,16 @@
 	return node;
 }
 
+static inline struct xbc_node * __init xbc_add_sibling(char *data, u32 flag)
+{
+	return __xbc_add_sibling(data, flag, false);
+}
+
+static inline struct xbc_node * __init xbc_add_head_sibling(char *data, u32 flag)
+{
+	return __xbc_add_sibling(data, flag, true);
+}
+
 static inline __init struct xbc_node *xbc_add_child(char *data, u32 flag)
 {
 	struct xbc_node *node = xbc_add_sibling(data, flag);
@@ -517,17 +547,20 @@
 	char *next;
 	int c = 0;
 
+	if (last_parent->child)
+		last_parent = xbc_node_get_child(last_parent);
+
 	do {
 		c = __xbc_parse_value(__v, &next);
 		if (c < 0)
 			return c;
 
-		node = xbc_add_sibling(*__v, XBC_VALUE);
+		node = xbc_add_child(*__v, XBC_VALUE);
 		if (!node)
 			return -ENOMEM;
 		*__v = next;
 	} while (c == ',');
-	node->next = 0;
+	node->child = 0;
 
 	return c;
 }
@@ -557,8 +590,9 @@
 		node = find_match_node(xbc_nodes, k);
 	else {
 		child = xbc_node_get_child(last_parent);
+		/* Since the value node is the first child, skip it. */
 		if (child && xbc_node_is_value(child))
-			return xbc_parse_error("Subkey is mixed with value", k);
+			child = xbc_node_get_next(child);
 		node = find_match_node(child, k);
 	}
 
@@ -601,23 +635,29 @@
 	if (ret)
 		return ret;
 
-	child = xbc_node_get_child(last_parent);
-	if (child) {
-		if (xbc_node_is_key(child))
-			return xbc_parse_error("Value is mixed with subkey", v);
-		else if (op == '=')
-			return xbc_parse_error("Value is redefined", v);
-	}
-
 	c = __xbc_parse_value(&v, &next);
 	if (c < 0)
 		return c;
 
-	if (op == ':' && child) {
-		xbc_init_node(child, v, XBC_VALUE);
-	} else if (!xbc_add_sibling(v, XBC_VALUE))
+	child = xbc_node_get_child(last_parent);
+	if (child && xbc_node_is_value(child)) {
+		if (op == '=')
+			return xbc_parse_error("Value is redefined", v);
+		if (op == ':') {
+			unsigned short nidx = child->next;
+
+			xbc_init_node(child, v, XBC_VALUE);
+			child->next = nidx;	/* keep subkeys */
+			goto array;
+		}
+		/* op must be '+' */
+		last_parent = xbc_last_child(child);
+	}
+	/* The value node should always be the first child */
+	if (!xbc_add_head_sibling(v, XBC_VALUE))
 		return -ENOMEM;
 
+array:
 	if (c == ',') {	/* Array */
 		c = xbc_parse_array(&next);
 		if (c < 0)
diff --git a/lib/bug.c b/lib/bug.c
index 4ab398a..e55c1d7 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -49,6 +49,8 @@
 #include <linux/rculist.h>
 #include <linux/ftrace.h>
 
+#include <trace/hooks/bug.h>
+
 extern struct bug_entry __start___bug_table[], __stop___bug_table[];
 
 static inline unsigned long bug_addr(const struct bug_entry *bug)
@@ -130,6 +132,22 @@
 }
 #endif
 
+void bug_get_file_line(struct bug_entry *bug, const char **file,
+		       unsigned int *line)
+{
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+#ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS
+	*file = bug->file;
+#else
+	*file = (const char *)bug + bug->file_disp;
+#endif
+	*line = bug->line;
+#else
+	*file = NULL;
+	*line = 0;
+#endif
+}
+
 struct bug_entry *find_bug(unsigned long bugaddr)
 {
 	struct bug_entry *bug;
@@ -156,17 +174,8 @@
 
 	disable_trace_on_warning();
 
-	file = NULL;
-	line = 0;
+	bug_get_file_line(bug, &file, &line);
 
-#ifdef CONFIG_DEBUG_BUGVERBOSE
-#ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS
-	file = bug->file;
-#else
-	file = (const char *)bug + bug->file_disp;
-#endif
-	line = bug->line;
-#endif
 	warning = (bug->flags & BUGFLAG_WARNING) != 0;
 	once = (bug->flags & BUGFLAG_ONCE) != 0;
 	done = (bug->flags & BUGFLAG_DONE) != 0;
@@ -203,6 +212,8 @@
 		pr_crit("Kernel BUG at %pB [verbose debug info unavailable]\n",
 			(void *)bugaddr);
 
+	trace_android_rvh_report_bug(file, line, bugaddr);
+
 	return BUG_TRAP_TYPE_BUG;
 }
 
diff --git a/lib/crypto/aes.c b/lib/crypto/aes.c
index 827fe89..6a8b70a 100644
--- a/lib/crypto/aes.c
+++ b/lib/crypto/aes.c
@@ -7,6 +7,7 @@
 #include <linux/crypto.h>
 #include <linux/module.h>
 #include <asm/unaligned.h>
+#include <trace/hooks/fips140.h>
 
 /*
  * Emit the sbox as volatile const to prevent the compiler from doing
@@ -189,6 +190,13 @@
 	u32 rc, i, j;
 	int err;
 
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+	err = -(MAX_ERRNO + 1);
+	trace_android_vh_aes_expandkey(ctx, in_key, key_len, &err);
+	if (err != -(MAX_ERRNO + 1))
+		return err;
+#endif
+
 	err = aes_check_keylen(key_len);
 	if (err)
 		return err;
@@ -261,6 +269,13 @@
 	int rounds = 6 + ctx->key_length / 4;
 	u32 st0[4], st1[4];
 	int round;
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+	int hook_inuse = 0;
+
+	trace_android_vh_aes_encrypt(ctx, out, in, &hook_inuse);
+	if (hook_inuse)
+		return;
+#endif
 
 	st0[0] = ctx->key_enc[0] ^ get_unaligned_le32(in);
 	st0[1] = ctx->key_enc[1] ^ get_unaligned_le32(in + 4);
@@ -312,6 +327,13 @@
 	int rounds = 6 + ctx->key_length / 4;
 	u32 st0[4], st1[4];
 	int round;
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+	int hook_inuse = 0;
+
+	trace_android_vh_aes_decrypt(ctx, out, in, &hook_inuse);
+	if (hook_inuse)
+		return;
+#endif
 
 	st0[0] = ctx->key_dec[0] ^ get_unaligned_le32(in);
 	st0[1] = ctx->key_dec[1] ^ get_unaligned_le32(in + 4);
diff --git a/lib/crypto/sha256.c b/lib/crypto/sha256.c
index 2321f6c..216a0d9 100644
--- a/lib/crypto/sha256.c
+++ b/lib/crypto/sha256.c
@@ -17,6 +17,7 @@
 #include <linux/string.h>
 #include <crypto/sha.h>
 #include <asm/unaligned.h>
+#include <trace/hooks/fips140.h>
 
 static inline u32 Ch(u32 x, u32 y, u32 z)
 {
@@ -284,6 +285,14 @@
 {
 	struct sha256_state sctx;
 
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+	int hook_inuse = 0;
+
+	trace_android_vh_sha256(data, len, out, &hook_inuse);
+	if (hook_inuse)
+		return;
+#endif
+
 	sha256_init(&sctx);
 	sha256_update(&sctx, data, len);
 	sha256_final(&sctx, out);
diff --git a/lib/debug_locks.c b/lib/debug_locks.c
index a75ee30..5ba4b8b9 100644
--- a/lib/debug_locks.c
+++ b/lib/debug_locks.c
@@ -38,12 +38,8 @@
  */
 int debug_locks_off(void)
 {
-	if (debug_locks && __debug_locks_off()) {
-		if (!debug_locks_silent) {
-			console_verbose();
-			return 1;
-		}
-	}
+	if (debug_locks && __debug_locks_off() && !debug_locks_silent)
+		return 1;
 	return 0;
 }
 EXPORT_SYMBOL_GPL(debug_locks_off);
diff --git a/lib/decompress_unxz.c b/lib/decompress_unxz.c
index abea253..9004ab3 100644
--- a/lib/decompress_unxz.c
+++ b/lib/decompress_unxz.c
@@ -20,8 +20,8 @@
  *
  * The worst case for in-place decompression is that the beginning of
  * the file is compressed extremely well, and the rest of the file is
- * uncompressible. Thus, we must look for worst-case expansion when the
- * compressor is encoding uncompressible data.
+ * incompressible. Thus, we must look for worst-case expansion when the
+ * compressor is encoding incompressible data.
  *
  * The structure of the .xz file in case of a compresed kernel is as follows.
  * Sizes (as bytes) of the fields are in parenthesis.
@@ -58,7 +58,7 @@
  * uncompressed size of the payload is in practice never less than the
  * payload size itself. The LZMA2 format would allow uncompressed size
  * to be less than the payload size, but no sane compressor creates such
- * files. LZMA2 supports storing uncompressible data in uncompressed form,
+ * files. LZMA2 supports storing incompressible data in uncompressed form,
  * so there's never a need to create payloads whose uncompressed size is
  * smaller than the compressed size.
  *
diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index a00ee6e..b9acd9c 100644
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -71,10 +71,10 @@
 	dump_stack_print_info(log_lvl);
 }
 
-static void __dump_stack(void)
+static void __dump_stack(const char *log_lvl)
 {
-	dump_stack_print_info(KERN_DEFAULT);
-	show_stack(NULL, NULL, KERN_DEFAULT);
+	dump_stack_print_info(log_lvl);
+	show_stack(NULL, NULL, log_lvl);
 }
 
 /**
@@ -85,7 +85,7 @@
 #ifdef CONFIG_SMP
 static atomic_t dump_lock = ATOMIC_INIT(-1);
 
-asmlinkage __visible void dump_stack(void)
+asmlinkage __visible void dump_stack_lvl(const char *log_lvl)
 {
 	unsigned long flags;
 	int was_locked;
@@ -115,7 +115,7 @@
 		goto retry;
 	}
 
-	__dump_stack();
+	__dump_stack(log_lvl);
 
 	if (!was_locked)
 		atomic_set(&dump_lock, -1);
@@ -123,9 +123,15 @@
 	local_irq_restore(flags);
 }
 #else
-asmlinkage __visible void dump_stack(void)
+asmlinkage __visible void dump_stack_lvl(const char *log_lvl)
 {
-	__dump_stack();
+	__dump_stack(log_lvl);
 }
 #endif
+EXPORT_SYMBOL(dump_stack_lvl);
+
+asmlinkage __visible void dump_stack(void)
+{
+	dump_stack_lvl(KERN_DEFAULT);
+}
 EXPORT_SYMBOL(dump_stack);
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 06833d40..07cda1a 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -43,7 +43,15 @@
  *	uppercase and lowercase letters, so we use (ch & 0xdf), which converts
  *	lowercase to uppercase
  */
+/*
+ * perserve abi due to 15b78a8e38e8 ("hex2bin: make the function hex_to_bin
+ * constant-time"
+ */
+#ifdef __GENKSYMS__
+int hex_to_bin(char ch)
+#else
 int hex_to_bin(unsigned char ch)
+#endif
 {
 	unsigned char cu = ch & 0xdf;
 	return -1 +
diff --git a/lib/plist.c b/lib/plist.c
index 0d86ed7..4b2334f 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -102,6 +102,7 @@
 
 	plist_check_head(head);
 }
+EXPORT_SYMBOL_GPL(plist_add);
 
 /**
  * plist_del - Remove a @node from plist.
@@ -131,6 +132,7 @@
 
 	plist_check_head(head);
 }
+EXPORT_SYMBOL_GPL(plist_del);
 
 /**
  * plist_requeue - Requeue @node at end of same-prio entries.
@@ -171,6 +173,7 @@
 
 	plist_check_head(head);
 }
+EXPORT_SYMBOL_GPL(plist_requeue);
 
 #ifdef CONFIG_DEBUG_PLIST
 #include <linux/sched.h>
diff --git a/lib/show_mem.c b/lib/show_mem.c
index 1c26c14..3d8d609 100644
--- a/lib/show_mem.c
+++ b/lib/show_mem.c
@@ -7,7 +7,7 @@
 
 #include <linux/mm.h>
 #include <linux/cma.h>
-
+#include <trace/hooks/mm.h>
 void show_mem(unsigned int filter, nodemask_t *nodemask)
 {
 	pg_data_t *pgdat;
@@ -41,4 +41,6 @@
 #ifdef CONFIG_MEMORY_FAILURE
 	printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
 #endif
+	trace_android_vh_show_mem(filter, nodemask);
 }
+EXPORT_SYMBOL_GPL(show_mem);
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index 25bbac4..aa3f4c9 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -31,6 +31,7 @@
 #include <linux/stackdepot.h>
 #include <linux/string.h>
 #include <linux/types.h>
+#include <linux/memblock.h>
 
 #define DEPOT_STACK_BITS (sizeof(depot_stack_handle_t) * 8)
 
@@ -62,7 +63,7 @@
 	u32 hash;			/* Hash in the hastable */
 	u32 size;			/* Number of frames in the stack */
 	union handle_parts handle;
-	unsigned long entries[1];	/* Variable-sized array of entries. */
+	unsigned long entries[];	/* Variable-sized array of entries. */
 };
 
 static void *stack_slabs[STACK_ALLOC_MAX_SLABS];
@@ -101,12 +102,11 @@
 }
 
 /* Allocation of a new stack in raw storage */
-static struct stack_record *depot_alloc_stack(unsigned long *entries, int size,
-		u32 hash, void **prealloc, gfp_t alloc_flags)
+static struct stack_record *
+depot_alloc_stack(unsigned long *entries, int size, u32 hash, void **prealloc)
 {
-	int required_size = offsetof(struct stack_record, entries) +
-		sizeof(unsigned long) * size;
 	struct stack_record *stack;
+	size_t required_size = struct_size(stack, entries, size);
 
 	required_size = ALIGN(required_size, 1 << STACK_ALLOC_ALIGN);
 
@@ -136,27 +136,51 @@
 	stack->handle.slabindex = depot_index;
 	stack->handle.offset = depot_offset >> STACK_ALLOC_ALIGN;
 	stack->handle.valid = 1;
-	memcpy(stack->entries, entries, size * sizeof(unsigned long));
+	memcpy(stack->entries, entries, flex_array_size(stack, entries, size));
 	depot_offset += required_size;
 
 	return stack;
 }
 
-#define STACK_HASH_ORDER 20
-#define STACK_HASH_SIZE (1L << STACK_HASH_ORDER)
+#define STACK_HASH_SIZE (1L << CONFIG_STACK_HASH_ORDER)
 #define STACK_HASH_MASK (STACK_HASH_SIZE - 1)
 #define STACK_HASH_SEED 0x9747b28c
 
-static struct stack_record *stack_table[STACK_HASH_SIZE] = {
-	[0 ...	STACK_HASH_SIZE - 1] = NULL
-};
+static bool stack_depot_disable;
+static struct stack_record **stack_table;
+
+static int __init is_stack_depot_disabled(char *str)
+{
+	int ret;
+
+	ret = kstrtobool(str, &stack_depot_disable);
+	if (!ret && stack_depot_disable) {
+		pr_info("Stack Depot is disabled\n");
+		stack_table = NULL;
+	}
+	return 0;
+}
+early_param("stack_depot_disable", is_stack_depot_disabled);
+
+int __init stack_depot_init(void)
+{
+	if (!stack_depot_disable) {
+		size_t size = (STACK_HASH_SIZE * sizeof(struct stack_record *));
+		int i;
+
+		stack_table = memblock_alloc(size, size);
+		for (i = 0; i < STACK_HASH_SIZE;  i++)
+			stack_table[i] = NULL;
+	}
+	return 0;
+}
 
 /* Calculate hash for a stack */
 static inline u32 hash_stack(unsigned long *entries, unsigned int size)
 {
 	return jhash2((u32 *)entries,
-			       size * sizeof(unsigned long) / sizeof(u32),
-			       STACK_HASH_SEED);
+		      array_size(size,  sizeof(*entries)) / sizeof(u32),
+		      STACK_HASH_SEED);
 }
 
 /* Use our own, non-instrumented version of memcmp().
@@ -224,17 +248,31 @@
 EXPORT_SYMBOL_GPL(stack_depot_fetch);
 
 /**
- * stack_depot_save - Save a stack trace from an array
+ * __stack_depot_save - Save a stack trace from an array
  *
  * @entries:		Pointer to storage array
  * @nr_entries:		Size of the storage array
  * @alloc_flags:	Allocation gfp flags
+ * @can_alloc:		Allocate stack slabs (increased chance of failure if false)
  *
- * Return: The handle of the stack struct stored in depot
+ * Saves a stack trace from @entries array of size @nr_entries. If @can_alloc is
+ * %true, is allowed to replenish the stack slab pool in case no space is left
+ * (allocates using GFP flags of @alloc_flags). If @can_alloc is %false, avoids
+ * any allocations and will fail if no space is left to store the stack trace.
+ *
+ * If the stack trace in @entries is from an interrupt, only the portion up to
+ * interrupt entry is saved.
+ *
+ * Context: Any context, but setting @can_alloc to %false is required if
+ *          alloc_pages() cannot be used from the current context. Currently
+ *          this is the case from contexts where neither %GFP_ATOMIC nor
+ *          %GFP_NOWAIT can be used (NMI, raw_spin_lock).
+ *
+ * Return: The handle of the stack struct stored in depot, 0 on failure.
  */
-depot_stack_handle_t stack_depot_save(unsigned long *entries,
-				      unsigned int nr_entries,
-				      gfp_t alloc_flags)
+depot_stack_handle_t __stack_depot_save(unsigned long *entries,
+					unsigned int nr_entries,
+					gfp_t alloc_flags, bool can_alloc)
 {
 	struct stack_record *found = NULL, **bucket;
 	depot_stack_handle_t retval = 0;
@@ -243,7 +281,17 @@
 	unsigned long flags;
 	u32 hash;
 
-	if (unlikely(nr_entries == 0))
+	/*
+	 * If this stack trace is from an interrupt, including anything before
+	 * interrupt entry usually leads to unbounded stackdepot growth.
+	 *
+	 * Because use of filter_irq_stacks() is a requirement to ensure
+	 * stackdepot can efficiently deduplicate interrupt stacks, always
+	 * filter_irq_stacks() to simplify all callers' use of stackdepot.
+	 */
+	nr_entries = filter_irq_stacks(entries, nr_entries);
+
+	if (unlikely(nr_entries == 0) || stack_depot_disable)
 		goto fast_exit;
 
 	hash = hash_stack(entries, nr_entries);
@@ -267,7 +315,7 @@
 	 * The smp_load_acquire() here pairs with smp_store_release() to
 	 * |next_slab_inited| in depot_alloc_stack() and init_stack_slab().
 	 */
-	if (unlikely(!smp_load_acquire(&next_slab_inited))) {
+	if (unlikely(can_alloc && !smp_load_acquire(&next_slab_inited))) {
 		/*
 		 * Zero out zone modifiers, as we don't have specific zone
 		 * requirements. Keep the flags related to allocation in atomic
@@ -285,9 +333,8 @@
 
 	found = find_stack(*bucket, entries, nr_entries, hash);
 	if (!found) {
-		struct stack_record *new =
-			depot_alloc_stack(entries, nr_entries,
-					  hash, &prealloc, alloc_flags);
+		struct stack_record *new = depot_alloc_stack(entries, nr_entries, hash, &prealloc);
+
 		if (new) {
 			new->next = *bucket;
 			/*
@@ -316,6 +363,26 @@
 fast_exit:
 	return retval;
 }
+EXPORT_SYMBOL_GPL(__stack_depot_save);
+
+/**
+ * stack_depot_save - Save a stack trace from an array
+ *
+ * @entries:		Pointer to storage array
+ * @nr_entries:		Size of the storage array
+ * @alloc_flags:	Allocation gfp flags
+ *
+ * Context: Contexts where allocations via alloc_pages() are allowed.
+ *          See __stack_depot_save() for more details.
+ *
+ * Return: The handle of the stack struct stored in depot, 0 on failure.
+ */
+depot_stack_handle_t stack_depot_save(unsigned long *entries,
+				      unsigned int nr_entries,
+				      gfp_t alloc_flags)
+{
+	return __stack_depot_save(entries, nr_entries, alloc_flags, true);
+}
 EXPORT_SYMBOL_GPL(stack_depot_save);
 
 static inline int in_irqentry_text(unsigned long ptr)
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 4425a1d..0ea0e82 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -16,8 +16,7 @@
 
 #include "../tools/testing/selftests/kselftest_module.h"
 
-static unsigned total_tests __initdata;
-static unsigned failed_tests __initdata;
+KSTM_MODULE_GLOBALS();
 
 static char pbl_buffer[PAGE_SIZE] __initdata;
 
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index 28c7c12..7e7d229 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -13,11 +13,13 @@
 #include <linux/mman.h>
 #include <linux/module.h>
 #include <linux/printk.h>
+#include <linux/random.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <linux/vmalloc.h>
+#include <linux/set_memory.h>
 
 #include <asm/page.h>
 
@@ -25,65 +27,131 @@
 
 #include "../mm/kasan/kasan.h"
 
-#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_SHADOW_SCALE_SIZE)
+#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_GRANULE_SIZE)
 
 /*
- * We assign some test results to these globals to make sure the tests
- * are not eliminated as dead code.
+ * Some tests use these global variables to store return values from function
+ * calls that could otherwise be eliminated by the compiler as dead code.
  */
-
 void *kasan_ptr_result;
 int kasan_int_result;
 
 static struct kunit_resource resource;
-static struct kunit_kasan_expectation fail_data;
+static struct kunit_kasan_status test_status;
 static bool multishot;
 
+/*
+ * Temporarily enable multi-shot mode. Otherwise, KASAN would only report the
+ * first detected bug and panic the kernel if panic_on_warn is enabled. For
+ * hardware tag-based KASAN also allow tag checking to be reenabled for each
+ * test, see the comment for KUNIT_EXPECT_KASAN_FAIL().
+ */
 static int kasan_test_init(struct kunit *test)
 {
-	/*
-	 * Temporarily enable multi-shot mode and set panic_on_warn=0.
-	 * Otherwise, we'd only get a report for the first case.
-	 */
-	multishot = kasan_save_enable_multi_shot();
+	if (!kasan_enabled()) {
+		kunit_err(test, "can't run KASAN tests with KASAN disabled");
+		return -1;
+	}
 
+	multishot = kasan_save_enable_multi_shot();
+	test_status.report_found = false;
+	test_status.sync_fault = false;
+	kunit_add_named_resource(test, NULL, NULL, &resource,
+					"kasan_status", &test_status);
 	return 0;
 }
 
 static void kasan_test_exit(struct kunit *test)
 {
 	kasan_restore_multi_shot(multishot);
+	KUNIT_EXPECT_FALSE(test, test_status.report_found);
 }
 
 /**
- * KUNIT_EXPECT_KASAN_FAIL() - Causes a test failure when the expression does
- * not cause a KASAN error. This uses a KUnit resource named "kasan_data." Do
- * Do not use this name for a KUnit resource outside here.
+ * KUNIT_EXPECT_KASAN_FAIL() - check that the executed expression produces a
+ * KASAN report; causes a test failure otherwise. This relies on a KUnit
+ * resource named "kasan_status". Do not use this name for KUnit resources
+ * outside of KASAN tests.
  *
+ * For hardware tag-based KASAN, when a synchronous tag fault happens, tag
+ * checking is auto-disabled. When this happens, this test handler reenables
+ * tag checking. As tag checking can be only disabled or enabled per CPU,
+ * this handler disables migration (preemption).
+ *
+ * Since the compiler doesn't see that the expression can change the test_status
+ * fields, it can reorder or optimize away the accesses to those fields.
+ * Use READ/WRITE_ONCE() for the accesses and compiler barriers around the
+ * expression to prevent that.
+ *
+ * In between KUNIT_EXPECT_KASAN_FAIL checks, test_status.report_found is kept
+ * as false. This allows detecting KASAN reports that happen outside of the
+ * checks by asserting !test_status.report_found at the start of
+ * KUNIT_EXPECT_KASAN_FAIL and in kasan_test_exit.
  */
-#define KUNIT_EXPECT_KASAN_FAIL(test, condition) do { \
-	fail_data.report_expected = true; \
-	fail_data.report_found = false; \
-	kunit_add_named_resource(test, \
-				NULL, \
-				NULL, \
-				&resource, \
-				"kasan_data", &fail_data); \
-	condition; \
-	KUNIT_EXPECT_EQ(test, \
-			fail_data.report_expected, \
-			fail_data.report_found); \
+#define KUNIT_EXPECT_KASAN_FAIL(test, expression) do {			\
+	if (IS_ENABLED(CONFIG_KASAN_HW_TAGS) &&				\
+	    kasan_sync_fault_possible())				\
+		migrate_disable();					\
+	KUNIT_EXPECT_FALSE(test, READ_ONCE(test_status.report_found));	\
+	barrier();							\
+	expression;							\
+	barrier();							\
+	if (kasan_async_fault_possible())				\
+		kasan_force_async_fault();				\
+	if (!READ_ONCE(test_status.report_found)) {			\
+		KUNIT_FAIL(test, KUNIT_SUBTEST_INDENT "KASAN failure "	\
+				"expected in \"" #expression		\
+				 "\", but none occurred");		\
+	}								\
+	if (IS_ENABLED(CONFIG_KASAN_HW_TAGS) &&				\
+	    kasan_sync_fault_possible()) {				\
+		if (READ_ONCE(test_status.report_found) &&		\
+		    READ_ONCE(test_status.sync_fault))			\
+			kasan_enable_tagging();				\
+		migrate_enable();					\
+	}								\
+	WRITE_ONCE(test_status.report_found, false);			\
+} while (0)
+
+#define KASAN_TEST_NEEDS_CONFIG_ON(test, config) do {			\
+	if (!IS_ENABLED(config)) {					\
+		kunit_info((test), "skipping, " #config " required");	\
+		return;							\
+	}								\
+} while (0)
+
+#define KASAN_TEST_NEEDS_CONFIG_OFF(test, config) do {			\
+	if (IS_ENABLED(config)) {					\
+		kunit_info((test), "skipping, " #config " enabled");	\
+		return;							\
+	}								\
 } while (0)
 
 static void kmalloc_oob_right(struct kunit *test)
 {
 	char *ptr;
-	size_t size = 123;
+	size_t size = 128 - KASAN_GRANULE_SIZE - 5;
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size + OOB_TAG_OFF] = 'x');
+	/*
+	 * An unaligned access past the requested kmalloc size.
+	 * Only generic KASAN can precisely detect these.
+	 */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		KUNIT_EXPECT_KASAN_FAIL(test, ptr[size] = 'x');
+
+	/*
+	 * An aligned access into the first out-of-bounds granule that falls
+	 * within the aligned kmalloc object.
+	 */
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size + 5] = 'y');
+
+	/* Out-of-bounds access past the aligned kmalloc object. */
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] =
+					ptr[size + KASAN_GRANULE_SIZE + 5]);
+
 	kfree(ptr);
 }
 
@@ -107,27 +175,28 @@
 	ptr = kmalloc_node(size, GFP_KERNEL, 0);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size] = 0);
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] = ptr[size]);
 	kfree(ptr);
 }
 
+/*
+ * These kmalloc_pagealloc_* tests try allocating a memory chunk that doesn't
+ * fit into a slab cache and therefore is allocated via the page allocator
+ * fallback. Since this kind of fallback is only implemented for SLUB, these
+ * tests are limited to that allocator.
+ */
 static void kmalloc_pagealloc_oob_right(struct kunit *test)
 {
 	char *ptr;
 	size_t size = KMALLOC_MAX_CACHE_SIZE + 10;
 
-	if (!IS_ENABLED(CONFIG_SLUB)) {
-		kunit_info(test, "CONFIG_SLUB is not enabled.");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
 
-	/* Allocate a chunk that does not fit into a SLUB cache to trigger
-	 * the page allocator fallback.
-	 */
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size + OOB_TAG_OFF] = 0);
+
 	kfree(ptr);
 }
 
@@ -136,16 +205,13 @@
 	char *ptr;
 	size_t size = KMALLOC_MAX_CACHE_SIZE + 10;
 
-	if (!IS_ENABLED(CONFIG_SLUB)) {
-		kunit_info(test, "CONFIG_SLUB is not enabled.");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
-
 	kfree(ptr);
-	KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] = 0);
+
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)ptr)[0]);
 }
 
 static void kmalloc_pagealloc_invalid_free(struct kunit *test)
@@ -153,10 +219,7 @@
 	char *ptr;
 	size_t size = KMALLOC_MAX_CACHE_SIZE + 10;
 
-	if (!IS_ENABLED(CONFIG_SLUB)) {
-		kunit_info(test, "CONFIG_SLUB is not enabled.");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
@@ -164,11 +227,49 @@
 	KUNIT_EXPECT_KASAN_FAIL(test, kfree(ptr + 1));
 }
 
+static void pagealloc_oob_right(struct kunit *test)
+{
+	char *ptr;
+	struct page *pages;
+	size_t order = 4;
+	size_t size = (1UL << (PAGE_SHIFT + order));
+
+	/*
+	 * With generic KASAN page allocations have no redzones, thus
+	 * out-of-bounds detection is not guaranteed.
+	 * See https://bugzilla.kernel.org/show_bug.cgi?id=210503.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+	pages = alloc_pages(GFP_KERNEL, order);
+	ptr = page_address(pages);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] = ptr[size]);
+	free_pages((unsigned long)ptr, order);
+}
+
+static void pagealloc_uaf(struct kunit *test)
+{
+	char *ptr;
+	struct page *pages;
+	size_t order = 4;
+
+	pages = alloc_pages(GFP_KERNEL, order);
+	ptr = page_address(pages);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+	free_pages((unsigned long)ptr, order);
+
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)ptr)[0]);
+}
+
 static void kmalloc_large_oob_right(struct kunit *test)
 {
 	char *ptr;
 	size_t size = KMALLOC_MAX_CACHE_SIZE - 256;
-	/* Allocate a chunk that is large enough, but still fits into a slab
+
+	/*
+	 * Allocate a chunk that is large enough, but still fits into a slab
 	 * and does not trigger the page allocator fallback in SLUB.
 	 */
 	ptr = kmalloc(size, GFP_KERNEL);
@@ -178,11 +279,14 @@
 	kfree(ptr);
 }
 
-static void kmalloc_oob_krealloc_more(struct kunit *test)
+static void krealloc_more_oob_helper(struct kunit *test,
+					size_t size1, size_t size2)
 {
 	char *ptr1, *ptr2;
-	size_t size1 = 17;
-	size_t size2 = 19;
+	size_t middle;
+
+	KUNIT_ASSERT_LT(test, size1, size2);
+	middle = size1 + (size2 - size1) / 2;
 
 	ptr1 = kmalloc(size1, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
@@ -190,15 +294,31 @@
 	ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2 + OOB_TAG_OFF] = 'x');
+	/* All offsets up to size2 must be accessible. */
+	ptr2[size1 - 1] = 'x';
+	ptr2[size1] = 'x';
+	ptr2[middle] = 'x';
+	ptr2[size2 - 1] = 'x';
+
+	/* Generic mode is precise, so unaligned size2 must be inaccessible. */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');
+
+	/* For all modes first aligned offset after size2 must be inaccessible. */
+	KUNIT_EXPECT_KASAN_FAIL(test,
+		ptr2[round_up(size2, KASAN_GRANULE_SIZE)] = 'x');
+
 	kfree(ptr2);
 }
 
-static void kmalloc_oob_krealloc_less(struct kunit *test)
+static void krealloc_less_oob_helper(struct kunit *test,
+					size_t size1, size_t size2)
 {
 	char *ptr1, *ptr2;
-	size_t size1 = 17;
-	size_t size2 = 15;
+	size_t middle;
+
+	KUNIT_ASSERT_LT(test, size2, size1);
+	middle = size2 + (size1 - size2) / 2;
 
 	ptr1 = kmalloc(size1, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
@@ -206,10 +326,79 @@
 	ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2 + OOB_TAG_OFF] = 'x');
+	/* Must be accessible for all modes. */
+	ptr2[size2 - 1] = 'x';
+
+	/* Generic mode is precise, so unaligned size2 must be inaccessible. */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');
+
+	/* For all modes first aligned offset after size2 must be inaccessible. */
+	KUNIT_EXPECT_KASAN_FAIL(test,
+		ptr2[round_up(size2, KASAN_GRANULE_SIZE)] = 'x');
+
+	/*
+	 * For all modes all size2, middle, and size1 should land in separate
+	 * granules and thus the latter two offsets should be inaccessible.
+	 */
+	KUNIT_EXPECT_LE(test, round_up(size2, KASAN_GRANULE_SIZE),
+				round_down(middle, KASAN_GRANULE_SIZE));
+	KUNIT_EXPECT_LE(test, round_up(middle, KASAN_GRANULE_SIZE),
+				round_down(size1, KASAN_GRANULE_SIZE));
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[middle] = 'x');
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size1 - 1] = 'x');
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size1] = 'x');
+
 	kfree(ptr2);
 }
 
+static void krealloc_more_oob(struct kunit *test)
+{
+	krealloc_more_oob_helper(test, 201, 235);
+}
+
+static void krealloc_less_oob(struct kunit *test)
+{
+	krealloc_less_oob_helper(test, 235, 201);
+}
+
+static void krealloc_pagealloc_more_oob(struct kunit *test)
+{
+	/* page_alloc fallback in only implemented for SLUB. */
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
+
+	krealloc_more_oob_helper(test, KMALLOC_MAX_CACHE_SIZE + 201,
+					KMALLOC_MAX_CACHE_SIZE + 235);
+}
+
+static void krealloc_pagealloc_less_oob(struct kunit *test)
+{
+	/* page_alloc fallback in only implemented for SLUB. */
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
+
+	krealloc_less_oob_helper(test, KMALLOC_MAX_CACHE_SIZE + 235,
+					KMALLOC_MAX_CACHE_SIZE + 201);
+}
+
+/*
+ * Check that krealloc() detects a use-after-free, returns NULL,
+ * and doesn't unpoison the freed object.
+ */
+static void krealloc_uaf(struct kunit *test)
+{
+	char *ptr1, *ptr2;
+	int size1 = 201;
+	int size2 = 235;
+
+	ptr1 = kmalloc(size1, GFP_KERNEL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
+	kfree(ptr1);
+
+	KUNIT_EXPECT_KASAN_FAIL(test, ptr2 = krealloc(ptr1, size2, GFP_KERNEL));
+	KUNIT_ASSERT_PTR_EQ(test, (void *)ptr2, NULL);
+	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)ptr1);
+}
+
 static void kmalloc_oob_16(struct kunit *test)
 {
 	struct {
@@ -217,10 +406,7 @@
 	} *ptr1, *ptr2;
 
 	/* This test is specifically crafted for the generic mode. */
-	if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
-		kunit_info(test, "CONFIG_KASAN_GENERIC required\n");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
 
 	ptr1 = kmalloc(sizeof(*ptr1) - 3, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
@@ -250,64 +436,100 @@
 	kfree(ptr1);
 }
 
+/*
+ * Note: in the memset tests below, the written range touches both valid and
+ * invalid memory. This makes sure that the instrumentation does not only check
+ * the starting address but the whole range.
+ */
+
 static void kmalloc_oob_memset_2(struct kunit *test)
 {
 	char *ptr;
-	size_t size = 8;
+	size_t size = 128 - KASAN_GRANULE_SIZE;
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 7 + OOB_TAG_OFF, 0, 2));
+	OPTIMIZER_HIDE_VAR(size);
+	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + size - 1, 0, 2));
 	kfree(ptr);
 }
 
 static void kmalloc_oob_memset_4(struct kunit *test)
 {
 	char *ptr;
-	size_t size = 8;
+	size_t size = 128 - KASAN_GRANULE_SIZE;
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 5 + OOB_TAG_OFF, 0, 4));
+	OPTIMIZER_HIDE_VAR(size);
+	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + size - 3, 0, 4));
 	kfree(ptr);
 }
 
-
 static void kmalloc_oob_memset_8(struct kunit *test)
 {
 	char *ptr;
-	size_t size = 8;
+	size_t size = 128 - KASAN_GRANULE_SIZE;
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 1 + OOB_TAG_OFF, 0, 8));
+	OPTIMIZER_HIDE_VAR(size);
+	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + size - 7, 0, 8));
 	kfree(ptr);
 }
 
 static void kmalloc_oob_memset_16(struct kunit *test)
 {
 	char *ptr;
-	size_t size = 16;
+	size_t size = 128 - KASAN_GRANULE_SIZE;
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 1 + OOB_TAG_OFF, 0, 16));
+	OPTIMIZER_HIDE_VAR(size);
+	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + size - 15, 0, 16));
 	kfree(ptr);
 }
 
 static void kmalloc_oob_in_memset(struct kunit *test)
 {
 	char *ptr;
-	size_t size = 666;
+	size_t size = 128 - KASAN_GRANULE_SIZE;
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr, 0, size + 5 + OOB_TAG_OFF));
+	OPTIMIZER_HIDE_VAR(ptr);
+	OPTIMIZER_HIDE_VAR(size);
+	KUNIT_EXPECT_KASAN_FAIL(test,
+				memset(ptr, 0, size + KASAN_GRANULE_SIZE));
+	kfree(ptr);
+}
+
+static void kmalloc_memmove_negative_size(struct kunit *test)
+{
+	char *ptr;
+	size_t size = 64;
+	size_t invalid_size = -2;
+
+	/*
+	 * Hardware tag-based mode doesn't check memmove for negative size.
+	 * As a result, this test introduces a side-effect memory corruption,
+	 * which can result in a crash.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_HW_TAGS);
+
+	ptr = kmalloc(size, GFP_KERNEL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+
+	memset((char *)ptr, 0, 64);
+	OPTIMIZER_HIDE_VAR(ptr);
+	OPTIMIZER_HIDE_VAR(invalid_size);
+	KUNIT_EXPECT_KASAN_FAIL(test,
+		memmove((char *)ptr, (char *)ptr + 4, invalid_size));
 	kfree(ptr);
 }
 
@@ -315,13 +537,13 @@
 {
 	char *ptr;
 	size_t size = 64;
-	volatile size_t invalid_size = -2;
+	volatile size_t invalid_size = size;
 
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
 	memset((char *)ptr, 0, 64);
-
+	OPTIMIZER_HIDE_VAR(ptr);
 	KUNIT_EXPECT_KASAN_FAIL(test,
 		memmove((char *)ptr, (char *)ptr + 4, invalid_size));
 	kfree(ptr);
@@ -336,7 +558,7 @@
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
 	kfree(ptr);
-	KUNIT_EXPECT_KASAN_FAIL(test, *(ptr + 8) = 'x');
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)ptr)[8]);
 }
 
 static void kmalloc_uaf_memset(struct kunit *test)
@@ -344,6 +566,12 @@
 	char *ptr;
 	size_t size = 33;
 
+	/*
+	 * Only generic KASAN uses quarantine, which is required to avoid a
+	 * kernel memory corruption this test causes.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
+
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
@@ -355,7 +583,9 @@
 {
 	char *ptr1, *ptr2;
 	size_t size = 43;
+	int counter = 0;
 
+again:
 	ptr1 = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
 
@@ -364,7 +594,16 @@
 	ptr2 = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, ptr1[40] = 'x');
+	/*
+	 * For tag-based KASAN ptr1 and ptr2 tags might happen to be the same.
+	 * Allow up to 16 attempts at generating different tags.
+	 */
+	if (!IS_ENABLED(CONFIG_KASAN_GENERIC) && ptr1 == ptr2 && counter++ < 16) {
+		kfree(ptr2);
+		goto again;
+	}
+
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)ptr1)[40]);
 	KUNIT_EXPECT_PTR_NE(test, ptr1, ptr2);
 
 	kfree(ptr2);
@@ -402,10 +641,11 @@
 {
 	char *p;
 	size_t size = 200;
-	struct kmem_cache *cache = kmem_cache_create("test_cache",
-						size, 0,
-						0, NULL);
+	struct kmem_cache *cache;
+
+	cache = kmem_cache_create("test_cache", size, 0, 0, NULL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
+
 	p = kmem_cache_alloc(cache, GFP_KERNEL);
 	if (!p) {
 		kunit_err(test, "Allocation failed: %s\n", __func__);
@@ -414,11 +654,12 @@
 	}
 
 	KUNIT_EXPECT_KASAN_FAIL(test, *p = p[size + OOB_TAG_OFF]);
+
 	kmem_cache_free(cache, p);
 	kmem_cache_destroy(cache);
 }
 
-static void memcg_accounted_kmem_cache(struct kunit *test)
+static void kmem_cache_accounted(struct kunit *test)
 {
 	int i;
 	char *p;
@@ -445,9 +686,34 @@
 	kmem_cache_destroy(cache);
 }
 
+static void kmem_cache_bulk(struct kunit *test)
+{
+	struct kmem_cache *cache;
+	size_t size = 200;
+	char *p[10];
+	bool ret;
+	int i;
+
+	cache = kmem_cache_create("test_cache", size, 0, 0, NULL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
+
+	ret = kmem_cache_alloc_bulk(cache, GFP_KERNEL, ARRAY_SIZE(p), (void **)&p);
+	if (!ret) {
+		kunit_err(test, "Allocation failed: %s\n", __func__);
+		kmem_cache_destroy(cache);
+		return;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(p); i++)
+		p[i][0] = p[i][size - 1] = 42;
+
+	kmem_cache_free_bulk(cache, ARRAY_SIZE(p), (void **)&p);
+	kmem_cache_destroy(cache);
+}
+
 static char global_array[10];
 
-static void kasan_global_oob(struct kunit *test)
+static void kasan_global_oob_right(struct kunit *test)
 {
 	/*
 	 * Deliberate out-of-bounds access. To prevent CONFIG_UBSAN_LOCAL_BOUNDS
@@ -465,14 +731,26 @@
 	char *p = &array[ARRAY_SIZE(global_array) + 3];
 
 	/* Only generic mode instruments globals. */
-	if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
-		kunit_info(test, "CONFIG_KASAN_GENERIC required");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
 
 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
 }
 
+static void kasan_global_oob_left(struct kunit *test)
+{
+	char *volatile array = global_array;
+	char *p = array - 3;
+
+	/*
+	 * GCC is known to fail this test, skip it.
+	 * See https://bugzilla.kernel.org/show_bug.cgi?id=215051.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_CC_IS_CLANG);
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
+	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
+}
+
+/* Check that ksize() makes the whole object accessible. */
 static void ksize_unpoisons_memory(struct kunit *test)
 {
 	char *ptr;
@@ -481,13 +759,34 @@
 	ptr = kmalloc(size, GFP_KERNEL);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 	real_size = ksize(ptr);
-	/* This access doesn't trigger an error. */
+
+	/* This access shouldn't trigger a KASAN report. */
 	ptr[size] = 'x';
-	/* This one does. */
-	KUNIT_EXPECT_KASAN_FAIL(test, ptr[real_size] = 'y');
+
+	/* This one must. */
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)ptr)[real_size]);
+
 	kfree(ptr);
 }
 
+/*
+ * Check that a use-after-free is detected by ksize() and via normal accesses
+ * after it.
+ */
+static void ksize_uaf(struct kunit *test)
+{
+	char *ptr;
+	int size = 128 - KASAN_GRANULE_SIZE;
+
+	ptr = kmalloc(size, GFP_KERNEL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+	kfree(ptr);
+
+	KUNIT_EXPECT_KASAN_FAIL(test, ksize(ptr));
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)ptr)[0]);
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)ptr)[size]);
+}
+
 static void kasan_stack_oob(struct kunit *test)
 {
 	char stack_array[10];
@@ -495,10 +794,7 @@
 	char *volatile array = stack_array;
 	char *p = &array[ARRAY_SIZE(stack_array) + OOB_TAG_OFF];
 
-	if (!IS_ENABLED(CONFIG_KASAN_STACK)) {
-		kunit_info(test, "CONFIG_KASAN_STACK is not enabled");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);
 
 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
 }
@@ -512,15 +808,8 @@
 	char *p = array - 1;
 
 	/* Only generic mode instruments dynamic allocas. */
-	if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
-		kunit_info(test, "CONFIG_KASAN_GENERIC required");
-		return;
-	}
-
-	if (!IS_ENABLED(CONFIG_KASAN_STACK)) {
-		kunit_info(test, "CONFIG_KASAN_STACK is not enabled");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);
 
 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
 }
@@ -534,15 +823,8 @@
 	char *p = array + i;
 
 	/* Only generic mode instruments dynamic allocas. */
-	if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
-		kunit_info(test, "CONFIG_KASAN_GENERIC required");
-		return;
-	}
-
-	if (!IS_ENABLED(CONFIG_KASAN_STACK)) {
-		kunit_info(test, "CONFIG_KASAN_STACK is not enabled");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);
 
 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
 }
@@ -585,7 +867,7 @@
 		return;
 	}
 
-	/* Trigger invalid free, the object doesn't get freed */
+	/* Trigger invalid free, the object doesn't get freed. */
 	KUNIT_EXPECT_KASAN_FAIL(test, kmem_cache_free(cache, p + 1));
 
 	/*
@@ -597,17 +879,29 @@
 	kmem_cache_destroy(cache);
 }
 
+static void empty_cache_ctor(void *object) { }
+
+static void kmem_cache_double_destroy(struct kunit *test)
+{
+	struct kmem_cache *cache;
+
+	/* Provide a constructor to prevent cache merging. */
+	cache = kmem_cache_create("test_cache", 200, 0, 0, empty_cache_ctor);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
+	kmem_cache_destroy(cache);
+	KUNIT_EXPECT_KASAN_FAIL(test, kmem_cache_destroy(cache));
+}
+
 static void kasan_memchr(struct kunit *test)
 {
 	char *ptr;
 	size_t size = 24;
 
-	/* See https://bugzilla.kernel.org/show_bug.cgi?id=206337 */
-	if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT)) {
-		kunit_info(test,
-			"str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT");
-		return;
-	}
+	/*
+	 * str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT.
+	 * See https://bugzilla.kernel.org/show_bug.cgi?id=206337 for details.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);
 
 	if (OOB_TAG_OFF)
 		size = round_up(size, OOB_TAG_OFF);
@@ -615,6 +909,8 @@
 	ptr = kmalloc(size, GFP_KERNEL | __GFP_ZERO);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
+	OPTIMIZER_HIDE_VAR(ptr);
+	OPTIMIZER_HIDE_VAR(size);
 	KUNIT_EXPECT_KASAN_FAIL(test,
 		kasan_ptr_result = memchr(ptr, '1', size + 1));
 
@@ -627,12 +923,11 @@
 	size_t size = 24;
 	int arr[9];
 
-	/* See https://bugzilla.kernel.org/show_bug.cgi?id=206337 */
-	if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT)) {
-		kunit_info(test,
-			"str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT");
-		return;
-	}
+	/*
+	 * str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT.
+	 * See https://bugzilla.kernel.org/show_bug.cgi?id=206337 for details.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);
 
 	if (OOB_TAG_OFF)
 		size = round_up(size, OOB_TAG_OFF);
@@ -641,6 +936,8 @@
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 	memset(arr, 0, sizeof(arr));
 
+	OPTIMIZER_HIDE_VAR(ptr);
+	OPTIMIZER_HIDE_VAR(size);
 	KUNIT_EXPECT_KASAN_FAIL(test,
 		kasan_int_result = memcmp(ptr, arr, size+1));
 	kfree(ptr);
@@ -651,12 +948,11 @@
 	char *ptr;
 	size_t size = 24;
 
-	/* See https://bugzilla.kernel.org/show_bug.cgi?id=206337 */
-	if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT)) {
-		kunit_info(test,
-			"str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT");
-		return;
-	}
+	/*
+	 * str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT.
+	 * See https://bugzilla.kernel.org/show_bug.cgi?id=206337 for details.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);
 
 	ptr = kmalloc(size, GFP_KERNEL | __GFP_ZERO);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
@@ -717,13 +1013,10 @@
 	long *bits;
 
 	/* This test is specifically crafted for the generic mode. */
-	if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
-		kunit_info(test, "CONFIG_KASAN_GENERIC required\n");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
 
 	/*
-	 * Allocate 1 more byte, which causes kzalloc to round up to 16-bytes;
+	 * Allocate 1 more byte, which causes kzalloc to round up to 16 bytes;
 	 * this way we do not actually corrupt other memory.
 	 */
 	bits = kzalloc(sizeof(*bits) + 1, GFP_KERNEL);
@@ -748,11 +1041,8 @@
 {
 	long *bits;
 
-	/* This test is specifically crafted for the tag-based mode. */
-	if (IS_ENABLED(CONFIG_KASAN_GENERIC)) {
-		kunit_info(test, "CONFIG_KASAN_SW_TAGS required\n");
-		return;
-	}
+	/* This test is specifically crafted for tag-based modes. */
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
 
 	/* kmalloc-64 cache will be used and the last 16 bytes will be the redzone. */
 	bits = kzalloc(48, GFP_KERNEL);
@@ -777,24 +1067,286 @@
 	KUNIT_EXPECT_KASAN_FAIL(test, kfree_sensitive(ptr));
 }
 
+static void vmalloc_helpers_tags(struct kunit *test)
+{
+	void *ptr;
+
+	/* This test is intended for tag-based modes. */
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_VMALLOC);
+
+	ptr = vmalloc(PAGE_SIZE);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+
+	/* Check that the returned pointer is tagged. */
+	KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);
+	KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+
+	/* Make sure exported vmalloc helpers handle tagged pointers. */
+	KUNIT_ASSERT_TRUE(test, is_vmalloc_addr(ptr));
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, vmalloc_to_page(ptr));
+
+#if !IS_MODULE(CONFIG_KASAN_KUNIT_TEST)
+	{
+		int rv;
+
+		/* Make sure vmalloc'ed memory permissions can be changed. */
+		rv = set_memory_ro((unsigned long)ptr, 1);
+		KUNIT_ASSERT_GE(test, rv, 0);
+		rv = set_memory_rw((unsigned long)ptr, 1);
+		KUNIT_ASSERT_GE(test, rv, 0);
+	}
+#endif
+
+	vfree(ptr);
+}
+
 static void vmalloc_oob(struct kunit *test)
 {
-	void *area;
+	char *v_ptr, *p_ptr;
+	struct page *page;
+	size_t size = PAGE_SIZE / 2 - KASAN_GRANULE_SIZE - 5;
 
-	if (!IS_ENABLED(CONFIG_KASAN_VMALLOC)) {
-		kunit_info(test, "CONFIG_KASAN_VMALLOC is not enabled.");
-		return;
-	}
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_VMALLOC);
+
+	v_ptr = vmalloc(size);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, v_ptr);
+
+	OPTIMIZER_HIDE_VAR(v_ptr);
 
 	/*
-	 * We have to be careful not to hit the guard page.
+	 * We have to be careful not to hit the guard page in vmalloc tests.
 	 * The MMU will catch that and crash us.
 	 */
-	area = vmalloc(3000);
-	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, area);
 
-	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)area)[3100]);
-	vfree(area);
+	/* Make sure in-bounds accesses are valid. */
+	v_ptr[0] = 0;
+	v_ptr[size - 1] = 0;
+
+	/*
+	 * An unaligned access past the requested vmalloc size.
+	 * Only generic KASAN can precisely detect these.
+	 */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)v_ptr)[size]);
+
+	/* An aligned access into the first out-of-bounds granule. */
+	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)v_ptr)[size + 5]);
+
+	/* Check that in-bounds accesses to the physical page are valid. */
+	page = vmalloc_to_page(v_ptr);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, page);
+	p_ptr = page_address(page);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p_ptr);
+	p_ptr[0] = 0;
+
+	vfree(v_ptr);
+
+	/*
+	 * We can't check for use-after-unmap bugs in this nor in the following
+	 * vmalloc tests, as the page might be fully unmapped and accessing it
+	 * will crash the kernel.
+	 */
+}
+
+static void vmap_tags(struct kunit *test)
+{
+	char *p_ptr, *v_ptr;
+	struct page *p_page, *v_page;
+
+	/*
+	 * This test is specifically crafted for the software tag-based mode,
+	 * the only tag-based mode that poisons vmap mappings.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_SW_TAGS);
+
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_VMALLOC);
+
+	p_page = alloc_pages(GFP_KERNEL, 1);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p_page);
+	p_ptr = page_address(p_page);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p_ptr);
+
+	v_ptr = vmap(&p_page, 1, VM_MAP, PAGE_KERNEL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, v_ptr);
+
+	/*
+	 * We can't check for out-of-bounds bugs in this nor in the following
+	 * vmalloc tests, as allocations have page granularity and accessing
+	 * the guard page will crash the kernel.
+	 */
+
+	KUNIT_EXPECT_GE(test, (u8)get_tag(v_ptr), (u8)KASAN_TAG_MIN);
+	KUNIT_EXPECT_LT(test, (u8)get_tag(v_ptr), (u8)KASAN_TAG_KERNEL);
+
+	/* Make sure that in-bounds accesses through both pointers work. */
+	*p_ptr = 0;
+	*v_ptr = 0;
+
+	/* Make sure vmalloc_to_page() correctly recovers the page pointer. */
+	v_page = vmalloc_to_page(v_ptr);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, v_page);
+	KUNIT_EXPECT_PTR_EQ(test, p_page, v_page);
+
+	vunmap(v_ptr);
+	free_pages((unsigned long)p_ptr, 1);
+}
+
+static void vm_map_ram_tags(struct kunit *test)
+{
+	char *p_ptr, *v_ptr;
+	struct page *page;
+
+	/*
+	 * This test is specifically crafted for the software tag-based mode,
+	 * the only tag-based mode that poisons vm_map_ram mappings.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_SW_TAGS);
+
+	page = alloc_pages(GFP_KERNEL, 1);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, page);
+	p_ptr = page_address(page);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p_ptr);
+
+	v_ptr = vm_map_ram(&page, 1, -1);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, v_ptr);
+
+	KUNIT_EXPECT_GE(test, (u8)get_tag(v_ptr), (u8)KASAN_TAG_MIN);
+	KUNIT_EXPECT_LT(test, (u8)get_tag(v_ptr), (u8)KASAN_TAG_KERNEL);
+
+	/* Make sure that in-bounds accesses through both pointers work. */
+	*p_ptr = 0;
+	*v_ptr = 0;
+
+	vm_unmap_ram(v_ptr, 1);
+	free_pages((unsigned long)p_ptr, 1);
+}
+
+static void vmalloc_percpu(struct kunit *test)
+{
+	char __percpu *ptr;
+	int cpu;
+
+	/*
+	 * This test is specifically crafted for the software tag-based mode,
+	 * the only tag-based mode that poisons percpu mappings.
+	 */
+	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_SW_TAGS);
+
+	ptr = __alloc_percpu(PAGE_SIZE, PAGE_SIZE);
+
+	for_each_possible_cpu(cpu) {
+		char *c_ptr = per_cpu_ptr(ptr, cpu);
+
+		KUNIT_EXPECT_GE(test, (u8)get_tag(c_ptr), (u8)KASAN_TAG_MIN);
+		KUNIT_EXPECT_LT(test, (u8)get_tag(c_ptr), (u8)KASAN_TAG_KERNEL);
+
+		/* Make sure that in-bounds accesses don't crash the kernel. */
+		*c_ptr = 0;
+	}
+
+	free_percpu(ptr);
+}
+
+/*
+ * Check that the assigned pointer tag falls within the [KASAN_TAG_MIN,
+ * KASAN_TAG_KERNEL) range (note: excluding the match-all tag) for tag-based
+ * modes.
+ */
+static void match_all_not_assigned(struct kunit *test)
+{
+	char *ptr;
+	struct page *pages;
+	int i, size, order;
+
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+	for (i = 0; i < 256; i++) {
+		size = (get_random_int() % 1024) + 1;
+		ptr = kmalloc(size, GFP_KERNEL);
+		KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+		KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);
+		KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+		kfree(ptr);
+	}
+
+	for (i = 0; i < 256; i++) {
+		order = (get_random_int() % 4) + 1;
+		pages = alloc_pages(GFP_KERNEL, order);
+		ptr = page_address(pages);
+		KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+		KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);
+		KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+		free_pages((unsigned long)ptr, order);
+	}
+
+	if (!IS_ENABLED(CONFIG_KASAN_VMALLOC))
+		return;
+
+	for (i = 0; i < 256; i++) {
+		size = (get_random_int() % 1024) + 1;
+		ptr = vmalloc(size);
+		KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+		KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);
+		KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+		vfree(ptr);
+	}
+}
+
+/* Check that 0xff works as a match-all pointer tag for tag-based modes. */
+static void match_all_ptr_tag(struct kunit *test)
+{
+	char *ptr;
+	u8 tag;
+
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+	ptr = kmalloc(128, GFP_KERNEL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+
+	/* Backup the assigned tag. */
+	tag = get_tag(ptr);
+	KUNIT_EXPECT_NE(test, tag, (u8)KASAN_TAG_KERNEL);
+
+	/* Reset the tag to 0xff.*/
+	ptr = set_tag(ptr, KASAN_TAG_KERNEL);
+
+	/* This access shouldn't trigger a KASAN report. */
+	*ptr = 0;
+
+	/* Recover the pointer tag and free. */
+	ptr = set_tag(ptr, tag);
+	kfree(ptr);
+}
+
+/* Check that there are no match-all memory tags for tag-based modes. */
+static void match_all_mem_tag(struct kunit *test)
+{
+	char *ptr;
+	int tag;
+
+	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+	ptr = kmalloc(128, GFP_KERNEL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+	KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+
+	/* For each possible tag value not matching the pointer tag. */
+	for (tag = KASAN_TAG_MIN; tag <= KASAN_TAG_KERNEL; tag++) {
+		if (tag == get_tag(ptr))
+			continue;
+
+		/* Mark the first memory granule with the chosen memory tag. */
+		kasan_poison(ptr, KASAN_GRANULE_SIZE, (u8)tag, false);
+
+		/* This access must cause a KASAN report. */
+		KUNIT_EXPECT_KASAN_FAIL(test, *ptr = 0);
+	}
+
+	/* Recover the memory tag and free. */
+	kasan_poison(ptr, KASAN_GRANULE_SIZE, get_tag(ptr), false);
+	kfree(ptr);
 }
 
 static struct kunit_case kasan_kunit_test_cases[] = {
@@ -804,9 +1356,14 @@
 	KUNIT_CASE(kmalloc_pagealloc_oob_right),
 	KUNIT_CASE(kmalloc_pagealloc_uaf),
 	KUNIT_CASE(kmalloc_pagealloc_invalid_free),
+	KUNIT_CASE(pagealloc_oob_right),
+	KUNIT_CASE(pagealloc_uaf),
 	KUNIT_CASE(kmalloc_large_oob_right),
-	KUNIT_CASE(kmalloc_oob_krealloc_more),
-	KUNIT_CASE(kmalloc_oob_krealloc_less),
+	KUNIT_CASE(krealloc_more_oob),
+	KUNIT_CASE(krealloc_less_oob),
+	KUNIT_CASE(krealloc_pagealloc_more_oob),
+	KUNIT_CASE(krealloc_pagealloc_less_oob),
+	KUNIT_CASE(krealloc_uaf),
 	KUNIT_CASE(kmalloc_oob_16),
 	KUNIT_CASE(kmalloc_uaf_16),
 	KUNIT_CASE(kmalloc_oob_in_memset),
@@ -814,6 +1371,7 @@
 	KUNIT_CASE(kmalloc_oob_memset_4),
 	KUNIT_CASE(kmalloc_oob_memset_8),
 	KUNIT_CASE(kmalloc_oob_memset_16),
+	KUNIT_CASE(kmalloc_memmove_negative_size),
 	KUNIT_CASE(kmalloc_memmove_invalid_size),
 	KUNIT_CASE(kmalloc_uaf),
 	KUNIT_CASE(kmalloc_uaf_memset),
@@ -821,21 +1379,32 @@
 	KUNIT_CASE(kfree_via_page),
 	KUNIT_CASE(kfree_via_phys),
 	KUNIT_CASE(kmem_cache_oob),
-	KUNIT_CASE(memcg_accounted_kmem_cache),
-	KUNIT_CASE(kasan_global_oob),
+	KUNIT_CASE(kmem_cache_accounted),
+	KUNIT_CASE(kmem_cache_bulk),
+	KUNIT_CASE(kasan_global_oob_right),
+	KUNIT_CASE(kasan_global_oob_left),
 	KUNIT_CASE(kasan_stack_oob),
 	KUNIT_CASE(kasan_alloca_oob_left),
 	KUNIT_CASE(kasan_alloca_oob_right),
 	KUNIT_CASE(ksize_unpoisons_memory),
+	KUNIT_CASE(ksize_uaf),
 	KUNIT_CASE(kmem_cache_double_free),
 	KUNIT_CASE(kmem_cache_invalid_free),
+	KUNIT_CASE(kmem_cache_double_destroy),
 	KUNIT_CASE(kasan_memchr),
 	KUNIT_CASE(kasan_memcmp),
 	KUNIT_CASE(kasan_strings),
 	KUNIT_CASE(kasan_bitops_generic),
 	KUNIT_CASE(kasan_bitops_tags),
 	KUNIT_CASE(kmalloc_double_kzfree),
+	KUNIT_CASE(vmalloc_helpers_tags),
 	KUNIT_CASE(vmalloc_oob),
+	KUNIT_CASE(vmap_tags),
+	KUNIT_CASE(vm_map_ram_tags),
+	KUNIT_CASE(vmalloc_percpu),
+	KUNIT_CASE(match_all_not_assigned),
+	KUNIT_CASE(match_all_ptr_tag),
+	KUNIT_CASE(match_all_mem_tag),
 	{}
 };
 
diff --git a/lib/test_kasan_module.c b/lib/test_kasan_module.c
index 2d68db6..b112cbc 100644
--- a/lib/test_kasan_module.c
+++ b/lib/test_kasan_module.c
@@ -15,14 +15,12 @@
 
 #include "../mm/kasan/kasan.h"
 
-#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_SHADOW_SCALE_SIZE)
-
 static noinline void __init copy_user_test(void)
 {
 	char *kmem;
 	char __user *usermem;
-	size_t size = 10;
-	int unused;
+	size_t size = 128 - KASAN_GRANULE_SIZE;
+	int __maybe_unused unused;
 
 	kmem = kmalloc(size, GFP_KERNEL);
 	if (!kmem)
@@ -37,26 +35,28 @@
 		return;
 	}
 
+	OPTIMIZER_HIDE_VAR(size);
+
 	pr_info("out-of-bounds in copy_from_user()\n");
-	unused = copy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF);
+	unused = copy_from_user(kmem, usermem, size + 1);
 
 	pr_info("out-of-bounds in copy_to_user()\n");
-	unused = copy_to_user(usermem, kmem, size + 1 + OOB_TAG_OFF);
+	unused = copy_to_user(usermem, kmem, size + 1);
 
 	pr_info("out-of-bounds in __copy_from_user()\n");
-	unused = __copy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF);
+	unused = __copy_from_user(kmem, usermem, size + 1);
 
 	pr_info("out-of-bounds in __copy_to_user()\n");
-	unused = __copy_to_user(usermem, kmem, size + 1 + OOB_TAG_OFF);
+	unused = __copy_to_user(usermem, kmem, size + 1);
 
 	pr_info("out-of-bounds in __copy_from_user_inatomic()\n");
-	unused = __copy_from_user_inatomic(kmem, usermem, size + 1 + OOB_TAG_OFF);
+	unused = __copy_from_user_inatomic(kmem, usermem, size + 1);
 
 	pr_info("out-of-bounds in __copy_to_user_inatomic()\n");
-	unused = __copy_to_user_inatomic(usermem, kmem, size + 1 + OOB_TAG_OFF);
+	unused = __copy_to_user_inatomic(usermem, kmem, size + 1);
 
 	pr_info("out-of-bounds in strncpy_from_user()\n");
-	unused = strncpy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF);
+	unused = strncpy_from_user(kmem, usermem, size + 1);
 
 	vm_munmap((unsigned long)usermem, PAGE_SIZE);
 	kfree(kmem);
@@ -73,7 +73,7 @@
 						struct kasan_rcu_info, rcu);
 
 	kfree(fp);
-	fp->i = 1;
+	((volatile struct kasan_rcu_info *)fp)->i;
 }
 
 static noinline void __init kasan_rcu_uaf(void)
@@ -91,17 +91,47 @@
 	call_rcu(&global_rcu_ptr->rcu, kasan_rcu_reclaim);
 }
 
+static noinline void __init kasan_workqueue_work(struct work_struct *work)
+{
+	kfree(work);
+}
+
+static noinline void __init kasan_workqueue_uaf(void)
+{
+	struct workqueue_struct *workqueue;
+	struct work_struct *work;
+
+	workqueue = create_workqueue("kasan_wq_test");
+	if (!workqueue) {
+		pr_err("Allocation failed\n");
+		return;
+	}
+	work = kmalloc(sizeof(struct work_struct), GFP_KERNEL);
+	if (!work) {
+		pr_err("Allocation failed\n");
+		return;
+	}
+
+	INIT_WORK(work, kasan_workqueue_work);
+	queue_work(workqueue, work);
+	destroy_workqueue(workqueue);
+
+	pr_info("use-after-free on workqueue\n");
+	((volatile struct work_struct *)work)->data;
+}
 
 static int __init test_kasan_module_init(void)
 {
 	/*
-	 * Temporarily enable multi-shot mode. Otherwise, we'd only get a
-	 * report for the first case.
+	 * Temporarily enable multi-shot mode. Otherwise, KASAN would only
+	 * report the first detected bug and panic the kernel if panic_on_warn
+	 * is enabled.
 	 */
 	bool multishot = kasan_save_enable_multi_shot();
 
 	copy_user_test();
 	kasan_rcu_uaf();
+	kasan_workqueue_uaf();
 
 	kasan_restore_multi_shot(multishot);
 	return -EAGAIN;
diff --git a/lib/test_lockup.c b/lib/test_lockup.c
index 78a630b..bdbe00e 100644
--- a/lib/test_lockup.c
+++ b/lib/test_lockup.c
@@ -600,5 +600,6 @@
 module_init(test_lockup_init);
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 MODULE_AUTHOR("Konstantin Khlebnikov <khlebnikov@yandex-team.ru>");
 MODULE_DESCRIPTION("Test module to generate lockups");
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 7ac87f1..a675579 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -30,11 +30,13 @@
 #define PAD_SIZE 16
 #define FILL_CHAR '$'
 
-static unsigned total_tests __initdata;
-static unsigned failed_tests __initdata;
+KSTM_MODULE_GLOBALS();
+
 static char *test_buffer __initdata;
 static char *alloced_buffer __initdata;
 
+extern bool no_hash_pointers;
+
 static int __printf(4, 0) __init
 do_test(int bufsize, const char *expect, int elen,
 	const char *fmt, va_list ap)
@@ -301,6 +303,12 @@
 {
 	int err;
 
+	if (no_hash_pointers) {
+		pr_warn("skipping plain 'p' tests");
+		skipped_tests += 2;
+		return;
+	}
+
 	err = plain_hash();
 	if (err) {
 		pr_warn("plain 'p' does not appear to be hashed\n");
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index b08b8ee..6b81cb4 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -53,6 +53,10 @@
 #include <linux/string_helpers.h>
 #include "kstrtox.h"
 
+/* Disable pointer hashing if requested */
+bool no_hash_pointers __ro_after_init;
+EXPORT_SYMBOL_GPL(no_hash_pointers);
+
 static unsigned long long simple_strntoull(const char *startp, size_t max_chars,
 					   char **endp, unsigned int base)
 {
@@ -849,6 +853,19 @@
 	return pointer_string(buf, end, (const void *)hashval, spec);
 }
 
+static char *default_pointer(char *buf, char *end, const void *ptr,
+			     struct printf_spec spec)
+{
+	/*
+	 * default is to _not_ leak addresses, so hash before printing,
+	 * unless no_hash_pointers is specified on the command line.
+	 */
+	if (unlikely(no_hash_pointers))
+		return pointer_string(buf, end, ptr, spec);
+
+	return ptr_to_id(buf, end, ptr, spec);
+}
+
 int kptr_restrict __read_mostly;
 
 static noinline_for_stack
@@ -858,7 +875,7 @@
 	switch (kptr_restrict) {
 	case 0:
 		/* Handle as %p, hash and do _not_ leak addresses. */
-		return ptr_to_id(buf, end, ptr, spec);
+		return default_pointer(buf, end, ptr, spec);
 	case 1: {
 		const struct cred *cred;
 
@@ -2123,6 +2140,28 @@
 	return widen_string(buf, buf - buf_start, end, spec);
 }
 
+static int __init no_hash_pointers_enable(char *str)
+{
+	no_hash_pointers = true;
+
+	pr_warn("**********************************************************\n");
+	pr_warn("**   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **\n");
+	pr_warn("**                                                      **\n");
+	pr_warn("** This system shows unhashed kernel memory addresses   **\n");
+	pr_warn("** via the console, logs, and other interfaces. This    **\n");
+	pr_warn("** might reduce the security of your system.            **\n");
+	pr_warn("**                                                      **\n");
+	pr_warn("** If you see this message and you are not debugging    **\n");
+	pr_warn("** the kernel, report this immediately to your system   **\n");
+	pr_warn("** administrator!                                       **\n");
+	pr_warn("**                                                      **\n");
+	pr_warn("**   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **\n");
+	pr_warn("**********************************************************\n");
+
+	return 0;
+}
+early_param("no_hash_pointers", no_hash_pointers_enable);
+
 /*
  * Show a '%p' thing.  A kernel extension is that the '%p' is followed
  * by an extra set of alphanumeric characters that are extended format
@@ -2318,7 +2357,7 @@
 	case 'e':
 		/* %pe with a non-ERR_PTR gets treated as plain %p */
 		if (!IS_ERR(ptr))
-			break;
+			return default_pointer(buf, end, ptr, spec);
 		return err_ptr(buf, end, ptr, spec);
 	case 'u':
 	case 'k':
@@ -2328,10 +2367,9 @@
 		default:
 			return error_string(buf, end, "(einval)", spec);
 		}
+	default:
+		return default_pointer(buf, end, ptr, spec);
 	}
-
-	/* default is to _not_ leak addresses, hash before printing */
-	return ptr_to_id(buf, end, ptr, spec);
 }
 
 /*
diff --git a/lib/xz/Kconfig b/lib/xz/Kconfig
index 5cb5024..adce22a 100644
--- a/lib/xz/Kconfig
+++ b/lib/xz/Kconfig
@@ -39,6 +39,19 @@
 	default y
 	select XZ_DEC_BCJ
 
+config XZ_DEC_MICROLZMA
+	bool "MicroLZMA decoder"
+	default n
+	help
+	  MicroLZMA is a header format variant where the first byte
+	  of a raw LZMA stream (without the end of stream marker) has
+	  been replaced with a bitwise-negation of the lc/lp/pb
+	  properties byte. MicroLZMA was created to be used in EROFS
+	  but can be used by other things too where wasting minimal
+	  amount of space for headers is important.
+
+	  Unless you know that you need this, say N.
+
 endif
 
 config XZ_DEC_BCJ
diff --git a/lib/xz/xz_dec_lzma2.c b/lib/xz/xz_dec_lzma2.c
index a18b527..614ec99 100644
--- a/lib/xz/xz_dec_lzma2.c
+++ b/lib/xz/xz_dec_lzma2.c
@@ -248,6 +248,10 @@
 	 * before the first LZMA chunk.
 	 */
 	bool need_props;
+
+#ifdef XZ_DEC_MICROLZMA
+	bool pedantic_microlzma;
+#endif
 };
 
 struct xz_dec_lzma2 {
@@ -419,6 +423,12 @@
 	}
 }
 
+#ifdef XZ_DEC_MICROLZMA
+#	define DICT_FLUSH_SUPPORTS_SKIPPING true
+#else
+#	define DICT_FLUSH_SUPPORTS_SKIPPING false
+#endif
+
 /*
  * Flush pending data from dictionary to b->out. It is assumed that there is
  * enough space in b->out. This is guaranteed because caller uses dict_limit()
@@ -437,9 +447,14 @@
 		 * decompression because in multi-call mode dict->buf
 		 * has been allocated by us in this file; it's not
 		 * provided by the caller like in single-call mode.
+		 *
+		 * With MicroLZMA, b->out can be NULL to skip bytes that
+		 * the caller doesn't need. This cannot be done with XZ
+		 * because it would break BCJ filters.
 		 */
-		memcpy(b->out + b->out_pos, dict->buf + dict->start,
-				copy_size);
+		if (!DICT_FLUSH_SUPPORTS_SKIPPING || b->out != NULL)
+			memcpy(b->out + b->out_pos, dict->buf + dict->start,
+					copy_size);
 	}
 
 	dict->start = dict->pos;
@@ -505,7 +520,7 @@
  * functions so that the compiler is supposed to be able to more easily avoid
  * an extra branch. In this particular version of the LZMA decoder, this
  * doesn't seem to be a good idea (tested with GCC 3.3.6, 3.4.6, and 4.3.3
- * on x86). Using a non-splitted version results in nicer looking code too.
+ * on x86). Using a non-split version results in nicer looking code too.
  *
  * NOTE: This must return an int. Do not make it return a bool or the speed
  * of the code generated by GCC 3.x decreases 10-15 %. (GCC 4.3 doesn't care,
@@ -791,6 +806,7 @@
 	s->lzma.rep1 = 0;
 	s->lzma.rep2 = 0;
 	s->lzma.rep3 = 0;
+	s->lzma.len = 0;
 
 	/*
 	 * All probabilities are initialized to the same value. This hack
@@ -1174,8 +1190,6 @@
 		}
 	}
 
-	s->lzma.len = 0;
-
 	s->lzma2.sequence = SEQ_CONTROL;
 	s->lzma2.need_dict_reset = true;
 
@@ -1191,3 +1205,140 @@
 
 	kfree(s);
 }
+
+#ifdef XZ_DEC_MICROLZMA
+/* This is a wrapper struct to have a nice struct name in the public API. */
+struct xz_dec_microlzma {
+	struct xz_dec_lzma2 s;
+};
+
+enum xz_ret xz_dec_microlzma_run(struct xz_dec_microlzma *s_ptr,
+				 struct xz_buf *b)
+{
+	struct xz_dec_lzma2 *s = &s_ptr->s;
+
+	/*
+	 * sequence is SEQ_PROPERTIES before the first input byte,
+	 * SEQ_LZMA_PREPARE until a total of five bytes have been read,
+	 * and SEQ_LZMA_RUN for the rest of the input stream.
+	 */
+	if (s->lzma2.sequence != SEQ_LZMA_RUN) {
+		if (s->lzma2.sequence == SEQ_PROPERTIES) {
+			/* One byte is needed for the props. */
+			if (b->in_pos >= b->in_size)
+				return XZ_OK;
+
+			/*
+			 * Don't increment b->in_pos here. The same byte is
+			 * also passed to rc_read_init() which will ignore it.
+			 */
+			if (!lzma_props(s, ~b->in[b->in_pos]))
+				return XZ_DATA_ERROR;
+
+			s->lzma2.sequence = SEQ_LZMA_PREPARE;
+		}
+
+		/*
+		 * xz_dec_microlzma_reset() doesn't validate the compressed
+		 * size so we do it here. We have to limit the maximum size
+		 * to avoid integer overflows in lzma2_lzma(). 3 GiB is a nice
+		 * round number and much more than users of this code should
+		 * ever need.
+		 */
+		if (s->lzma2.compressed < RC_INIT_BYTES
+				|| s->lzma2.compressed > (3U << 30))
+			return XZ_DATA_ERROR;
+
+		if (!rc_read_init(&s->rc, b))
+			return XZ_OK;
+
+		s->lzma2.compressed -= RC_INIT_BYTES;
+		s->lzma2.sequence = SEQ_LZMA_RUN;
+
+		dict_reset(&s->dict, b);
+	}
+
+	/* This is to allow increasing b->out_size between calls. */
+	if (DEC_IS_SINGLE(s->dict.mode))
+		s->dict.end = b->out_size - b->out_pos;
+
+	while (true) {
+		dict_limit(&s->dict, min_t(size_t, b->out_size - b->out_pos,
+					   s->lzma2.uncompressed));
+
+		if (!lzma2_lzma(s, b))
+			return XZ_DATA_ERROR;
+
+		s->lzma2.uncompressed -= dict_flush(&s->dict, b);
+
+		if (s->lzma2.uncompressed == 0) {
+			if (s->lzma2.pedantic_microlzma) {
+				if (s->lzma2.compressed > 0 || s->lzma.len > 0
+						|| !rc_is_finished(&s->rc))
+					return XZ_DATA_ERROR;
+			}
+
+			return XZ_STREAM_END;
+		}
+
+		if (b->out_pos == b->out_size)
+			return XZ_OK;
+
+		if (b->in_pos == b->in_size
+				&& s->temp.size < s->lzma2.compressed)
+			return XZ_OK;
+	}
+}
+
+struct xz_dec_microlzma *xz_dec_microlzma_alloc(enum xz_mode mode,
+						uint32_t dict_size)
+{
+	struct xz_dec_microlzma *s;
+
+	/* Restrict dict_size to the same range as in the LZMA2 code. */
+	if (dict_size < 4096 || dict_size > (3U << 30))
+		return NULL;
+
+	s = kmalloc(sizeof(*s), GFP_KERNEL);
+	if (s == NULL)
+		return NULL;
+
+	s->s.dict.mode = mode;
+	s->s.dict.size = dict_size;
+
+	if (DEC_IS_MULTI(mode)) {
+		s->s.dict.end = dict_size;
+
+		s->s.dict.buf = vmalloc(dict_size);
+		if (s->s.dict.buf == NULL) {
+			kfree(s);
+			return NULL;
+		}
+	}
+
+	return s;
+}
+
+void xz_dec_microlzma_reset(struct xz_dec_microlzma *s, uint32_t comp_size,
+			    uint32_t uncomp_size, int uncomp_size_is_exact)
+{
+	/*
+	 * comp_size is validated in xz_dec_microlzma_run().
+	 * uncomp_size can safely be anything.
+	 */
+	s->s.lzma2.compressed = comp_size;
+	s->s.lzma2.uncompressed = uncomp_size;
+	s->s.lzma2.pedantic_microlzma = uncomp_size_is_exact;
+
+	s->s.lzma2.sequence = SEQ_PROPERTIES;
+	s->s.temp.size = 0;
+}
+
+void xz_dec_microlzma_end(struct xz_dec_microlzma *s)
+{
+	if (DEC_IS_MULTI(s->s.dict.mode))
+		vfree(s->s.dict.buf);
+
+	kfree(s);
+}
+#endif
diff --git a/lib/xz/xz_dec_syms.c b/lib/xz/xz_dec_syms.c
index 32eb3c0..61098c6 100644
--- a/lib/xz/xz_dec_syms.c
+++ b/lib/xz/xz_dec_syms.c
@@ -15,8 +15,15 @@
 EXPORT_SYMBOL(xz_dec_run);
 EXPORT_SYMBOL(xz_dec_end);
 
+#ifdef CONFIG_XZ_DEC_MICROLZMA
+EXPORT_SYMBOL(xz_dec_microlzma_alloc);
+EXPORT_SYMBOL(xz_dec_microlzma_reset);
+EXPORT_SYMBOL(xz_dec_microlzma_run);
+EXPORT_SYMBOL(xz_dec_microlzma_end);
+#endif
+
 MODULE_DESCRIPTION("XZ decompressor");
-MODULE_VERSION("1.0");
+MODULE_VERSION("1.1");
 MODULE_AUTHOR("Lasse Collin <lasse.collin@tukaani.org> and Igor Pavlov");
 
 /*
diff --git a/lib/xz/xz_private.h b/lib/xz/xz_private.h
index 09360eb..bf1e94e 100644
--- a/lib/xz/xz_private.h
+++ b/lib/xz/xz_private.h
@@ -37,6 +37,9 @@
 #		ifdef CONFIG_XZ_DEC_SPARC
 #			define XZ_DEC_SPARC
 #		endif
+#		ifdef CONFIG_XZ_DEC_MICROLZMA
+#			define XZ_DEC_MICROLZMA
+#		endif
 #		define memeq(a, b, size) (memcmp(a, b, size) == 0)
 #		define memzero(buf, size) memset(buf, 0, size)
 #	endif
diff --git a/mm/Kconfig b/mm/Kconfig
index 390165f..60481d5 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -513,6 +513,13 @@
 	help
 	  Turns on the DebugFS interface for CMA.
 
+config CMA_SYSFS
+	bool "CMA information through sysfs interface"
+	depends on CMA && SYSFS
+	help
+	  This option exposes some sysfs attributes to get information
+	  from CMA.
+
 config CMA_AREAS
 	int "Maximum count of the CMA areas"
 	depends on CMA
@@ -749,10 +756,18 @@
 	  lifetime of the system until these kthreads finish the
 	  initialisation.
 
+config PAGE_IDLE_FLAG
+	bool
+	select PAGE_EXTENSION if !64BIT
+	help
+	  This adds PG_idle and PG_young flags to 'struct page'.  PTE Accessed
+	  bit writers can set the state of the bit in the flags so that PTE
+	  Accessed bit readers may avoid disturbance.
+
 config IDLE_PAGE_TRACKING
 	bool "Enable idle page tracking"
 	depends on SYSFS && MMU
-	select PAGE_EXTENSION if !64BIT
+	select PAGE_IDLE_FLAG
 	help
 	  This feature allows to estimate the amount of user pages that have
 	  not been touched during a given period of time. This information can
@@ -821,6 +836,28 @@
 	  information includes global and per chunk statistics, which can
 	  be used to help understand percpu memory usage.
 
+config ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
+       def_bool n
+
+config SPECULATIVE_PAGE_FAULT
+       bool "Speculative page faults"
+       default y
+       depends on ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
+       depends on MMU && SMP && !NUMA
+       help
+         Try to handle user space page faults without holding the mmap_sem.
+
+	 This should allow better concurrency for massively threaded process
+	 since the page fault handler will not wait for other threads memory
+	 layout change to be done, assuming that this change is done in another
+	 part of the process's memory space. This type of page fault is named
+	 speculative page fault.
+
+	 If the speculative page fault fails because of a concurrency is
+	 detected or because underlying PMD or PTE tables are not yet
+	 allocating, it is failing its processing and a classic page fault
+	 is then tried.
+
 config GUP_BENCHMARK
 	bool "Enable infrastructure for get_user_pages() and related calls benchmarking"
 	help
@@ -859,4 +896,51 @@
 config MAPPING_DIRTY_HELPERS
         bool
 
+# Some architectures want callbacks for all IO mappings in order to
+# track the physical addresses that get used as devices.
+config ARCH_HAS_IOREMAP_PHYS_HOOKS
+	bool
+
+config ANON_VMA_NAME
+	bool "Anonymous VMA name support"
+	depends on PROC_FS && ADVISE_SYSCALLS && MMU
+
+	help
+	  Allow naming anonymous virtual memory areas.
+
+	  This feature allows assigning names to virtual memory areas. Assigned
+	  names can be later retrieved from /proc/pid/maps and /proc/pid/smaps
+	  and help identifying individual anonymous memory areas.
+	  Assigning a name to anonymous virtual memory area might prevent that
+	  area from being merged with adjacent virtual memory areas due to the
+	  difference in their name.
+
+# multi-gen LRU {
+config LRU_GEN
+	bool "Multi-Gen LRU"
+	depends on MMU
+	# make sure page->flags has enough spare bits
+	depends on 64BIT || !SPARSEMEM || SPARSEMEM_VMEMMAP
+	help
+	  A high performance LRU implementation to overcommit memory. See
+	  Documentation/admin-guide/mm/multigen_lru.rst for details.
+
+config LRU_GEN_ENABLED
+	bool "Enable by default"
+	depends on LRU_GEN
+	help
+	  This option enables the multi-gen LRU by default.
+
+config LRU_GEN_STATS
+	bool "Full stats for debugging"
+	depends on LRU_GEN
+	help
+	  Do not enable this option unless you plan to look at historical stats
+	  from evicted generations for debugging purpose.
+
+	  This option has a per-memcg and per-node memory overhead.
+# }
+
+source "mm/damon/Kconfig"
+
 endmenu
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 864f129..0c33018 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -62,9 +62,24 @@
 
 	  If unsure, say N.
 
+config PAGE_PINNER
+	bool "Track page pinner"
+	depends on DEBUG_KERNEL && STACKTRACE_SUPPORT
+	select DEBUG_FS
+	select STACKTRACE
+	select STACKDEPOT
+	select PAGE_EXTENSION
+	help
+	  This keeps track of what call chain is the pinner of a page, may
+	  help to find page migration failures. Even if you include this
+	  feature in your build, it is disabled by default. You should pass
+	  "page_pinner=on" to boot parameter in order to enable it. Eats
+	  a fair amount of memory if enabled.
+
+	  If unsure, say N.
+
 config PAGE_POISONING
 	bool "Poison pages after freeing"
-	select PAGE_POISONING_NO_SANITY if HIBERNATION
 	help
 	  Fill the pages with poison patterns after free_pages() and verify
 	  the patterns before alloc_pages. The filling of the memory helps
@@ -75,31 +90,12 @@
 	  Note that "poison" here is not the same thing as the "HWPoison"
 	  for CONFIG_MEMORY_FAILURE. This is software poisoning only.
 
+	  If you are only interested in sanitization of freed pages without
+	  checking the poison pattern on alloc, you can boot the kernel with
+	  "init_on_free=1" instead of enabling this.
+
 	  If unsure, say N
 
-config PAGE_POISONING_NO_SANITY
-	depends on PAGE_POISONING
-	bool "Only poison, don't sanity check"
-	help
-	   Skip the sanity checking on alloc, only fill the pages with
-	   poison on free. This reduces some of the overhead of the
-	   poisoning feature.
-
-	   If you are only interested in sanitization, say Y. Otherwise
-	   say N.
-
-config PAGE_POISONING_ZERO
-	bool "Use zero for poisoning instead of debugging value"
-	depends on PAGE_POISONING
-	help
-	   Instead of using the existing poison value, fill the pages with
-	   zeros. This makes it harder to detect when errors are occurring
-	   due to sanitization but the zeroing at free means that it is
-	   no longer necessary to write zeros when GFP_ZERO is used on
-	   allocation.
-
-	   If unsure, say N
-
 config DEBUG_PAGE_REF
 	bool "Enable tracepoint to track down page reference manipulation"
 	depends on DEBUG_KERNEL
diff --git a/mm/Makefile b/mm/Makefile
index d73aed0..b90583a 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -57,6 +57,7 @@
 # Give 'page_alloc' its own module-parameter namespace
 page-alloc-y := page_alloc.o
 page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
+CFLAGS_page_alloc.o += -DDYNAMIC_DEBUG_MODULE
 
 obj-y += page-alloc.o
 obj-y += init-mm.o
@@ -81,6 +82,7 @@
 obj-$(CONFIG_SLAB) += slab.o
 obj-$(CONFIG_SLUB) += slub.o
 obj-$(CONFIG_KASAN)	+= kasan/
+obj-$(CONFIG_KFENCE) += kfence/
 obj-$(CONFIG_FAILSLAB) += failslab.o
 obj-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
 obj-$(CONFIG_MEMTEST)		+= memtest.o
@@ -97,6 +99,7 @@
 obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
 obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
 obj-$(CONFIG_PAGE_OWNER) += page_owner.o
+obj-$(CONFIG_PAGE_PINNER) += page_pinner.o
 obj-$(CONFIG_CLEANCACHE) += cleancache.o
 obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
 obj-$(CONFIG_ZPOOL)	+= zpool.o
@@ -108,10 +111,12 @@
 obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
 obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
+obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
 obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
 obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
 obj-$(CONFIG_FRAME_VECTOR) += frame_vector.o
 obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
+obj-$(CONFIG_DAMON) += damon/
 obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
 obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
 obj-$(CONFIG_ZONE_DEVICE) += memremap.o
diff --git a/mm/cma.c b/mm/cma.c
index 3c3f143..ad0263a 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -24,6 +24,7 @@
 #include <linux/memblock.h>
 #include <linux/err.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/sizes.h>
 #include <linux/slab.h>
@@ -32,8 +33,13 @@
 #include <linux/highmem.h>
 #include <linux/io.h>
 #include <linux/kmemleak.h>
+#include <linux/sched.h>
+#include <linux/jiffies.h>
 #include <trace/events/cma.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
 #include "cma.h"
 
 struct cma cma_areas[MAX_CMA_AREAS];
@@ -49,11 +55,13 @@
 {
 	return cma->count << PAGE_SHIFT;
 }
+EXPORT_SYMBOL_GPL(cma_get_size);
 
 const char *cma_get_name(const struct cma *cma)
 {
 	return cma->name;
 }
+EXPORT_SYMBOL_GPL(cma_get_name);
 
 static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,
 					     unsigned int align_order)
@@ -95,34 +103,29 @@
 
 static void __init cma_activate_area(struct cma *cma)
 {
-	unsigned long base_pfn = cma->base_pfn, pfn = base_pfn;
-	unsigned i = cma->count >> pageblock_order;
+	unsigned long base_pfn = cma->base_pfn, pfn;
 	struct zone *zone;
 
 	cma->bitmap = bitmap_zalloc(cma_bitmap_maxno(cma), GFP_KERNEL);
 	if (!cma->bitmap)
 		goto out_error;
 
-	WARN_ON_ONCE(!pfn_valid(pfn));
-	zone = page_zone(pfn_to_page(pfn));
+	/*
+	 * alloc_contig_range() requires the pfn range specified to be in the
+	 * same zone. Simplify by forcing the entire CMA resv range to be in the
+	 * same zone.
+	 */
+	WARN_ON_ONCE(!pfn_valid(base_pfn));
+	zone = page_zone(pfn_to_page(base_pfn));
+	for (pfn = base_pfn + 1; pfn < base_pfn + cma->count; pfn++) {
+		WARN_ON_ONCE(!pfn_valid(pfn));
+		if (page_zone(pfn_to_page(pfn)) != zone)
+			goto not_in_zone;
+	}
 
-	do {
-		unsigned j;
-
-		base_pfn = pfn;
-		for (j = pageblock_nr_pages; j; --j, pfn++) {
-			WARN_ON_ONCE(!pfn_valid(pfn));
-			/*
-			 * alloc_contig_range requires the pfn range
-			 * specified to be in the same zone. Make this
-			 * simple by forcing the entire CMA resv range
-			 * to be in the same zone.
-			 */
-			if (page_zone(pfn_to_page(pfn)) != zone)
-				goto not_in_zone;
-		}
-		init_cma_reserved_pageblock(pfn_to_page(base_pfn));
-	} while (--i);
+	for (pfn = base_pfn; pfn < base_pfn + cma->count;
+	     pfn += pageblock_nr_pages)
+		init_cma_reserved_pageblock(pfn_to_page(pfn));
 
 	mutex_init(&cma->lock);
 
@@ -136,6 +139,10 @@
 not_in_zone:
 	bitmap_free(cma->bitmap);
 out_error:
+	/* Expose all pages to the buddy, they are useless for CMA. */
+	for (pfn = base_pfn; pfn < base_pfn + cma->count; pfn++)
+		free_reserved_page(pfn_to_page(pfn));
+	totalcma_pages -= cma->count;
 	cma->count = 0;
 	pr_err("CMA area %s could not be activated\n", cma->name);
 	return;
@@ -337,6 +344,23 @@
 			limit = highmem_start;
 		}
 
+		/*
+		 * If there is enough memory, try a bottom-up allocation first.
+		 * It will place the new cma area close to the start of the node
+		 * and guarantee that the compaction is moving pages out of the
+		 * cma area and not into it.
+		 * Avoid using first 4GB to not interfere with constrained zones
+		 * like DMA/DMA32.
+		 */
+#ifdef CONFIG_PHYS_ADDR_T_64BIT
+		if (!memblock_bottom_up() && memblock_end >= SZ_4G + size) {
+			memblock_set_bottom_up(true);
+			addr = memblock_alloc_range_nid(size, alignment, SZ_4G,
+							limit, nid, true);
+			memblock_set_bottom_up(false);
+		}
+#endif
+
 		if (!addr) {
 			addr = memblock_alloc_range_nid(size, alignment, base,
 					limit, nid, true);
@@ -403,13 +427,13 @@
  * @cma:   Contiguous memory region for which the allocation is performed.
  * @count: Requested number of pages.
  * @align: Requested alignment of pages (in PAGE_SIZE order).
- * @no_warn: Avoid printing message about failed allocation
+ * @gfp_mask: GFP mask to use during the cma allocation.
  *
  * This function allocates part of contiguous memory on specific
  * contiguous memory area.
  */
 struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
-		       bool no_warn)
+		       gfp_t gfp_mask)
 {
 	unsigned long mask, offset;
 	unsigned long pfn = -1;
@@ -418,15 +442,23 @@
 	size_t i;
 	struct page *page = NULL;
 	int ret = -ENOMEM;
+	int num_attempts = 0;
+	int max_retries = 5;
+	s64 ts;
+	struct cma_alloc_info cma_info = {0};
+
+	trace_android_vh_cma_alloc_start(&ts);
 
 	if (!cma || !cma->count || !cma->bitmap)
-		return NULL;
+		goto out;
 
-	pr_debug("%s(cma %p, count %zu, align %d)\n", __func__, (void *)cma,
-		 count, align);
+	pr_debug("%s(cma %p, count %zu, align %d gfp_mask 0x%x)\n", __func__,
+			(void *)cma, count, align, gfp_mask);
 
 	if (!count)
-		return NULL;
+		goto out;
+
+	trace_cma_alloc_start(cma->name, count, align);
 
 	mask = cma_bitmap_aligned_mask(cma, align);
 	offset = cma_bitmap_aligned_offset(cma, align);
@@ -434,16 +466,39 @@
 	bitmap_count = cma_bitmap_pages_to_bits(cma, count);
 
 	if (bitmap_count > bitmap_maxno)
-		return NULL;
+		goto out;
 
 	for (;;) {
+		struct acr_info info = {0};
+
 		mutex_lock(&cma->lock);
 		bitmap_no = bitmap_find_next_zero_area_off(cma->bitmap,
 				bitmap_maxno, start, bitmap_count, mask,
 				offset);
 		if (bitmap_no >= bitmap_maxno) {
-			mutex_unlock(&cma->lock);
-			break;
+			if ((num_attempts < max_retries) && (ret == -EBUSY)) {
+				mutex_unlock(&cma->lock);
+
+				if (fatal_signal_pending(current) ||
+				    (gfp_mask & __GFP_NORETRY))
+					break;
+
+				/*
+				 * Page may be momentarily pinned by some other
+				 * process which has been scheduled out, e.g.
+				 * in exit path, during unmap call, or process
+				 * fork and so cannot be freed there. Sleep
+				 * for 100ms and retry the allocation.
+				 */
+				start = 0;
+				ret = -ENOMEM;
+				schedule_timeout_killable(msecs_to_jiffies(100));
+				num_attempts++;
+				continue;
+			} else {
+				mutex_unlock(&cma->lock);
+				break;
+			}
 		}
 		bitmap_set(cma->bitmap, bitmap_no, bitmap_count);
 		/*
@@ -455,9 +510,19 @@
 
 		pfn = cma->base_pfn + (bitmap_no << cma->order_per_bit);
 		mutex_lock(&cma_mutex);
-		ret = alloc_contig_range(pfn, pfn + count, MIGRATE_CMA,
-				     GFP_KERNEL | (no_warn ? __GFP_NOWARN : 0));
+		ret = alloc_contig_range(pfn, pfn + count, MIGRATE_CMA, gfp_mask, &info);
 		mutex_unlock(&cma_mutex);
+		cma_info.nr_migrated += info.nr_migrated;
+		cma_info.nr_reclaimed += info.nr_reclaimed;
+		cma_info.nr_mapped += info.nr_mapped;
+		if (info.err) {
+			if (info.err & ACR_ERR_ISOLATE)
+				cma_info.nr_isolate_fail++;
+			if (info.err & ACR_ERR_MIGRATE)
+				cma_info.nr_migrate_fail++;
+			if (info.err & ACR_ERR_TEST)
+				cma_info.nr_test_fail++;
+		}
 		if (ret == 0) {
 			page = pfn_to_page(pfn);
 			break;
@@ -469,11 +534,24 @@
 
 		pr_debug("%s(): memory range at %p is busy, retrying\n",
 			 __func__, pfn_to_page(pfn));
-		/* try again with a bit different memory target */
-		start = bitmap_no + mask + 1;
+
+		trace_android_vh_cma_alloc_busy_info(&info);
+		trace_cma_alloc_busy_retry(cma->name, pfn, pfn_to_page(pfn),
+					   count, align);
+
+		if (info.failed_pfn && gfp_mask & __GFP_NORETRY) {
+			/* try again from following failed page */
+			start = (pfn_max_align_up(info.failed_pfn + 1) -
+				 cma->base_pfn) >> cma->order_per_bit;
+
+		} else {
+			/* try again with a bit different memory target */
+			start = bitmap_no + mask + 1;
+		}
 	}
 
-	trace_cma_alloc(pfn, page, count, align);
+	trace_cma_alloc_finish(cma->name, pfn, page, count, align);
+	trace_cma_alloc_info(cma->name, page, count, align, &cma_info);
 
 	/*
 	 * CMA can allocate multiple page blocks, which results in different
@@ -485,15 +563,27 @@
 			page_kasan_tag_reset(nth_page(page, i));
 	}
 
-	if (ret && !no_warn) {
-		pr_err("%s: alloc failed, req-size: %zu pages, ret: %d\n",
-			__func__, count, ret);
+	if (ret && !(gfp_mask & __GFP_NOWARN)) {
+		pr_err("%s: %s: alloc failed, req-size: %zu pages, ret: %d\n",
+		       __func__, cma->name, count, ret);
 		cma_debug_show_areas(cma);
 	}
 
 	pr_debug("%s(): returned %p\n", __func__, page);
+out:
+	trace_android_vh_cma_alloc_finish(cma, page, count, align, gfp_mask, ts);
+	if (page) {
+		count_vm_event(CMA_ALLOC_SUCCESS);
+		cma_sysfs_account_success_pages(cma, count);
+	} else if (!(gfp_mask & __GFP_NORETRY)) {
+		count_vm_event(CMA_ALLOC_FAIL);
+		if (cma)
+			cma_sysfs_account_fail_pages(cma, count);
+	}
+
 	return page;
 }
+EXPORT_SYMBOL_GPL(cma_alloc);
 
 /**
  * cma_release() - release allocated pages
@@ -512,7 +602,7 @@
 	if (!cma || !pages)
 		return false;
 
-	pr_debug("%s(page %p)\n", __func__, (void *)pages);
+	pr_debug("%s(page %p, count %u)\n", __func__, (void *)pages, count);
 
 	pfn = page_to_pfn(pages);
 
@@ -523,10 +613,11 @@
 
 	free_contig_range(pfn, count);
 	cma_clear_bitmap(cma, pfn, count);
-	trace_cma_release(pfn, pages, count);
+	trace_cma_release(cma->name, pfn, pages, count);
 
 	return true;
 }
+EXPORT_SYMBOL_GPL(cma_release);
 
 int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data)
 {
@@ -541,3 +632,4 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(cma_for_each_area);
diff --git a/mm/cma.h b/mm/cma.h
index 42ae082..bebb669b 100644
--- a/mm/cma.h
+++ b/mm/cma.h
@@ -3,6 +3,13 @@
 #define __MM_CMA_H__
 
 #include <linux/debugfs.h>
+#include <linux/kobject.h>
+#include <linux/android_vendor.h>
+
+struct cma_kobject {
+	struct kobject kobj;
+	struct cma *cma;
+};
 
 struct cma {
 	unsigned long   base_pfn;
@@ -16,6 +23,15 @@
 	struct debugfs_u32_array dfs_bitmap;
 #endif
 	char name[CMA_MAX_NAME];
+#ifdef CONFIG_CMA_SYSFS
+	/* the number of CMA page successful allocations */
+	atomic64_t nr_pages_succeeded;
+	/* the number of CMA page allocation failures */
+	atomic64_t nr_pages_failed;
+	/* kobject requires dynamic object */
+	struct cma_kobject *cma_kobj;
+#endif
+	ANDROID_OEM_DATA_ARRAY(1, 4);
 };
 
 extern struct cma cma_areas[MAX_CMA_AREAS];
@@ -26,4 +42,13 @@
 	return cma->count >> cma->order_per_bit;
 }
 
+#ifdef CONFIG_CMA_SYSFS
+void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages);
+void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages);
+#else
+static inline void cma_sysfs_account_success_pages(struct cma *cma,
+						   unsigned long nr_pages) {};
+static inline void cma_sysfs_account_fail_pages(struct cma *cma,
+						unsigned long nr_pages) {};
+#endif
 #endif
diff --git a/mm/cma_debug.c b/mm/cma_debug.c
index d5bf8aa..00170c4 100644
--- a/mm/cma_debug.c
+++ b/mm/cma_debug.c
@@ -137,7 +137,7 @@
 	if (!mem)
 		return -ENOMEM;
 
-	p = cma_alloc(cma, count, 0, false);
+	p = cma_alloc(cma, count, 0, GFP_KERNEL);
 	if (!p) {
 		kfree(mem);
 		return -ENOMEM;
diff --git a/mm/cma_sysfs.c b/mm/cma_sysfs.c
new file mode 100644
index 0000000..d552b2a
--- /dev/null
+++ b/mm/cma_sysfs.c
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * CMA SysFS Interface
+ *
+ * Copyright (c) 2021 Minchan Kim <minchan@kernel.org>
+ */
+
+#include <linux/cma.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#include "cma.h"
+
+static bool experimental;
+
+#define CMA_ATTR_RO(_name) \
+	static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
+
+void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages)
+{
+	atomic64_add(nr_pages, &cma->nr_pages_succeeded);
+}
+
+void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages)
+{
+	atomic64_add(nr_pages, &cma->nr_pages_failed);
+}
+
+static inline struct cma *cma_from_kobj(struct kobject *kobj)
+{
+	return container_of(kobj, struct cma_kobject, kobj)->cma;
+}
+
+static ssize_t alloc_pages_success_show(struct kobject *kobj,
+					struct kobj_attribute *attr, char *buf)
+{
+	struct cma *cma = cma_from_kobj(kobj);
+
+	return sysfs_emit(buf, "%llu\n",
+			  atomic64_read(&cma->nr_pages_succeeded));
+}
+CMA_ATTR_RO(alloc_pages_success);
+
+static ssize_t alloc_pages_fail_show(struct kobject *kobj,
+				     struct kobj_attribute *attr, char *buf)
+{
+	struct cma *cma = cma_from_kobj(kobj);
+
+	return sysfs_emit(buf, "%llu\n", atomic64_read(&cma->nr_pages_failed));
+}
+CMA_ATTR_RO(alloc_pages_fail);
+
+static void cma_kobj_release(struct kobject *kobj)
+{
+	struct cma *cma = cma_from_kobj(kobj);
+	struct cma_kobject *cma_kobj = cma->cma_kobj;
+
+	kfree(cma_kobj);
+	cma->cma_kobj = NULL;
+}
+
+static struct attribute *cma_attrs[] = {
+	&alloc_pages_success_attr.attr,
+	&alloc_pages_fail_attr.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(cma);
+
+static struct kobj_type cma_ktype = {
+	.release = cma_kobj_release,
+	.sysfs_ops = &kobj_sysfs_ops,
+	.default_groups = cma_groups,
+};
+
+static int __init cma_sysfs_init(void)
+{
+	struct kobject *cma_kobj_root;
+	struct cma_kobject *cma_kobj;
+	struct cma *cma;
+	int i, err;
+
+	if (!experimental)
+		return 0;
+
+	cma_kobj_root = kobject_create_and_add("cma", mm_kobj);
+	if (!cma_kobj_root)
+		return -ENOMEM;
+
+	for (i = 0; i < cma_area_count; i++) {
+		cma_kobj = kzalloc(sizeof(*cma_kobj), GFP_KERNEL);
+		if (!cma_kobj) {
+			err = -ENOMEM;
+			goto out;
+		}
+
+		cma = &cma_areas[i];
+		cma->cma_kobj = cma_kobj;
+		cma_kobj->cma = cma;
+		err = kobject_init_and_add(&cma_kobj->kobj, &cma_ktype,
+					   cma_kobj_root, "%s", cma->name);
+		if (err) {
+			kobject_put(&cma_kobj->kobj);
+			goto out;
+		}
+	}
+
+	return 0;
+out:
+	while (--i >= 0) {
+		cma = &cma_areas[i];
+		kobject_put(&cma->cma_kobj->kobj);
+	}
+	kobject_put(cma_kobj_root);
+
+	return err;
+}
+subsys_initcall(cma_sysfs_init);
+
+module_param(experimental, bool, 0400);
diff --git a/mm/compaction.c b/mm/compaction.c
index b580216..b50dec4 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -44,6 +44,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/compaction.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
 
 #define block_start_pfn(pfn, order)	round_down(pfn, 1UL << (order))
 #define block_end_pfn(pfn, order)	ALIGN((pfn) + 1, 1UL << (order))
@@ -763,6 +765,31 @@
 	return pfn;
 }
 
+#ifdef CONFIG_COMPACTION
+unsigned long isolate_and_split_free_page(struct page *page,
+						struct list_head *list)
+{
+	unsigned long isolated;
+	unsigned int order;
+
+	if (!PageBuddy(page))
+		return 0;
+
+	order = buddy_order(page);
+	isolated = __isolate_free_page(page, order);
+	if (!isolated)
+		return 0;
+
+	set_page_private(page, order);
+	list_add(&page->lru, list);
+
+	split_map_pages(list);
+
+	return isolated;
+}
+EXPORT_SYMBOL_GPL(isolate_and_split_free_page);
+#endif
+
 /* Similar to reclaim, but different enough that they don't share logic */
 static bool too_many_isolated(pg_data_t *pgdat)
 {
@@ -797,9 +824,10 @@
  * is neither read nor updated.
  */
 static unsigned long
-isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
+isolate_migratepages_block(struct compact_control_ext *cc_ext, unsigned long low_pfn,
 			unsigned long end_pfn, isolate_mode_t isolate_mode)
 {
+	struct compact_control *cc = cc_ext->cc;
 	pg_data_t *pgdat = cc->zone->zone_pgdat;
 	unsigned long nr_scanned = 0, nr_isolated = 0;
 	struct lruvec *lruvec;
@@ -1009,7 +1037,7 @@
 			low_pfn += compound_nr(page) - 1;
 
 		/* Successfully isolated */
-		del_page_from_lru_list(page, lruvec, page_lru(page));
+		del_page_from_lru_list(page, lruvec);
 		mod_node_page_state(page_pgdat(page),
 				NR_ISOLATED_ANON + page_is_file_lru(page),
 				thp_nr_pages(page));
@@ -1017,6 +1045,8 @@
 isolate_success:
 		list_add(&page->lru, &cc->migratepages);
 		cc->nr_migratepages += compound_nr(page);
+		if (!PageAnon(page))
+			cc_ext->nr_migrate_file_pages += compound_nr(page);
 		nr_isolated += compound_nr(page);
 
 		/*
@@ -1048,6 +1078,7 @@
 			}
 			putback_movable_pages(&cc->migratepages);
 			cc->nr_migratepages = 0;
+			cc_ext->nr_migrate_file_pages = 0;
 			nr_isolated = 0;
 		}
 
@@ -1111,6 +1142,7 @@
 isolate_migratepages_range(struct compact_control *cc, unsigned long start_pfn,
 							unsigned long end_pfn)
 {
+	struct compact_control_ext cc_ext = { .cc = cc };
 	unsigned long pfn, block_start_pfn, block_end_pfn;
 
 	/* Scan block by block. First and last block may be incomplete */
@@ -1130,7 +1162,7 @@
 					block_end_pfn, cc->zone))
 			continue;
 
-		pfn = isolate_migratepages_block(cc, pfn, block_end_pfn,
+		pfn = isolate_migratepages_block(&cc_ext, pfn, block_end_pfn,
 							ISOLATE_UNEVICTABLE);
 
 		if (!pfn)
@@ -1166,9 +1198,10 @@
 }
 
 /* Returns true if the page is within a block suitable for migration to */
-static bool suitable_migration_target(struct compact_control *cc,
+static bool suitable_migration_target(struct compact_control_ext *cc_ext,
 							struct page *page)
 {
+	struct compact_control *cc = cc_ext->cc;
 	/* If the page is a large free page, then disallow migration */
 	if (PageBuddy(page)) {
 		/*
@@ -1183,6 +1216,10 @@
 	if (cc->ignore_block_suitable)
 		return true;
 
+	/* Allow file pages to migrate only into MIGRATE_MOVABLE blocks */
+	if (cc_ext->nr_migrate_file_pages)
+		return get_pageblock_migratetype(page) == MIGRATE_MOVABLE;
+
 	/* If the block is MIGRATE_MOVABLE or MIGRATE_CMA, allow migration */
 	if (is_migrate_movable(get_pageblock_migratetype(page)))
 		return true;
@@ -1456,8 +1493,9 @@
  * Based on information in the current compact_control, find blocks
  * suitable for isolating free pages from and then isolate them.
  */
-static void isolate_freepages(struct compact_control *cc)
+static void isolate_freepages(struct compact_control_ext *cc_ext)
 {
+	struct compact_control *cc = cc_ext->cc;
 	struct zone *zone = cc->zone;
 	struct page *page;
 	unsigned long block_start_pfn;	/* start of current pageblock */
@@ -1514,7 +1552,7 @@
 			continue;
 
 		/* Check the block is suitable for migration */
-		if (!suitable_migration_target(cc, page))
+		if (!suitable_migration_target(cc_ext, page))
 			continue;
 
 		/* If isolation recently failed, do not retry */
@@ -1576,11 +1614,12 @@
 static struct page *compaction_alloc(struct page *migratepage,
 					unsigned long data)
 {
-	struct compact_control *cc = (struct compact_control *)data;
+	struct compact_control_ext *cc_ext = (struct compact_control_ext *)data;
+	struct compact_control *cc = cc_ext->cc;
 	struct page *freepage;
 
 	if (list_empty(&cc->freepages)) {
-		isolate_freepages(cc);
+		isolate_freepages(cc_ext);
 
 		if (list_empty(&cc->freepages))
 			return NULL;
@@ -1600,7 +1639,8 @@
  */
 static void compaction_free(struct page *page, unsigned long data)
 {
-	struct compact_control *cc = (struct compact_control *)data;
+	struct compact_control_ext *cc_ext = (struct compact_control_ext *)data;
+	struct compact_control *cc = cc_ext->cc;
 
 	list_add(&page->lru, &cc->freepages);
 	cc->nr_freepages++;
@@ -1768,8 +1808,9 @@
  * starting at the block pointed to by the migrate scanner pfn within
  * compact_control.
  */
-static isolate_migrate_t isolate_migratepages(struct compact_control *cc)
+static isolate_migrate_t isolate_migratepages(struct compact_control_ext *cc_ext)
 {
+	struct compact_control *cc = cc_ext->cc;
 	unsigned long block_start_pfn;
 	unsigned long block_end_pfn;
 	unsigned long low_pfn;
@@ -1847,7 +1888,7 @@
 		}
 
 		/* Perform the isolation */
-		low_pfn = isolate_migratepages_block(cc, low_pfn,
+		low_pfn = isolate_migratepages_block(cc_ext, low_pfn,
 						block_end_pfn, isolate_mode);
 
 		if (!low_pfn)
@@ -2197,6 +2238,11 @@
 	unsigned long last_migrated_pfn;
 	const bool sync = cc->mode != MIGRATE_ASYNC;
 	bool update_cached;
+	long vendor_ret;
+	struct compact_control_ext cc_ext = {
+		.cc = cc,
+		.nr_migrate_file_pages = 0,
+	};
 
 	/*
 	 * These counters track activities during zone compaction.  Initialize
@@ -2268,8 +2314,10 @@
 
 	trace_mm_compaction_begin(start_pfn, cc->migrate_pfn,
 				cc->free_pfn, end_pfn, sync);
+	trace_android_vh_mm_compaction_begin(cc, &vendor_ret);
 
-	migrate_prep_local();
+	/* lru_add_drain_all could be expensive with involving other CPUs */
+	lru_add_drain();
 
 	while ((ret = compact_finished(cc)) == COMPACT_CONTINUE) {
 		int err;
@@ -2289,11 +2337,12 @@
 			cc->rescan = true;
 		}
 
-		switch (isolate_migratepages(cc)) {
+		switch (isolate_migratepages(&cc_ext)) {
 		case ISOLATE_ABORT:
 			ret = COMPACT_CONTENDED;
 			putback_movable_pages(&cc->migratepages);
 			cc->nr_migratepages = 0;
+			cc_ext.nr_migrate_file_pages = 0;
 			goto out;
 		case ISOLATE_NONE:
 			if (update_cached) {
@@ -2314,7 +2363,7 @@
 		}
 
 		err = migrate_pages(&cc->migratepages, compaction_alloc,
-				compaction_free, (unsigned long)cc, cc->mode,
+				compaction_free, (unsigned long)&cc_ext, cc->mode,
 				MR_COMPACTION);
 
 		trace_mm_compaction_migratepages(cc->nr_migratepages, err,
@@ -2322,6 +2371,7 @@
 
 		/* All pages were either migrated or will be released */
 		cc->nr_migratepages = 0;
+		cc_ext.nr_migrate_file_pages = 0;
 		if (err) {
 			putback_movable_pages(&cc->migratepages);
 			/*
@@ -2394,6 +2444,7 @@
 	count_compact_events(COMPACTMIGRATE_SCANNED, cc->total_migrate_scanned);
 	count_compact_events(COMPACTFREE_SCANNED, cc->total_free_scanned);
 
+	trace_android_vh_mm_compaction_end(cc, vendor_ret);
 	trace_mm_compaction_end(start_pfn, cc->migrate_pfn,
 				cc->free_pfn, end_pfn, sync, ret);
 
@@ -2618,6 +2669,30 @@
  */
 unsigned int __read_mostly sysctl_compaction_proactiveness = 20;
 
+int compaction_proactiveness_sysctl_handler(struct ctl_table *table, int write,
+		void *buffer, size_t *length, loff_t *ppos)
+{
+	int rc, nid;
+
+	rc = proc_dointvec_minmax(table, write, buffer, length, ppos);
+	if (rc)
+		return rc;
+
+	if (write && sysctl_compaction_proactiveness) {
+		for_each_online_node(nid) {
+			pg_data_t *pgdat = NODE_DATA(nid);
+
+			if (pgdat->proactive_compact_trigger)
+				continue;
+
+			pgdat->proactive_compact_trigger = true;
+			wake_up_interruptible(&pgdat->kcompactd_wait);
+		}
+	}
+
+	return 0;
+}
+
 /*
  * This is the entry point for compacting all nodes via
  * /proc/sys/vm/compact_memory
@@ -2662,7 +2737,8 @@
 
 static inline bool kcompactd_work_requested(pg_data_t *pgdat)
 {
-	return pgdat->kcompactd_max_order > 0 || kthread_should_stop();
+	return pgdat->kcompactd_max_order > 0 || kthread_should_stop() ||
+		pgdat->proactive_compact_trigger;
 }
 
 static bool kcompactd_node_suitable(pg_data_t *pgdat)
@@ -2811,11 +2887,15 @@
 
 	while (!kthread_should_stop()) {
 		unsigned long pflags;
+		long timeout;
 
+		timeout = sysctl_compaction_proactiveness ?
+			msecs_to_jiffies(HPAGE_FRAG_CHECK_INTERVAL_MSEC) :
+			MAX_SCHEDULE_TIMEOUT;
 		trace_mm_compaction_kcompactd_sleep(pgdat->node_id);
 		if (wait_event_freezable_timeout(pgdat->kcompactd_wait,
-			kcompactd_work_requested(pgdat),
-			msecs_to_jiffies(HPAGE_FRAG_CHECK_INTERVAL_MSEC))) {
+			kcompactd_work_requested(pgdat), timeout) &&
+			!pgdat->proactive_compact_trigger) {
 
 			psi_memstall_enter(&pflags);
 			kcompactd_do_work(pgdat);
@@ -2827,10 +2907,20 @@
 		if (should_proactive_compact_node(pgdat)) {
 			unsigned int prev_score, score;
 
-			if (proactive_defer) {
+			/*
+			 * On wakeup of proactive compaction by sysctl
+			 * write, ignore the accumulated defer score.
+			 * Anyway, if the proactive compaction didn't
+			 * make any progress for the new value, it will
+			 * be further deferred by 2^COMPACT_MAX_DEFER_SHIFT
+			 * times.
+			 */
+			if (proactive_defer &&
+				!pgdat->proactive_compact_trigger) {
 				proactive_defer--;
 				continue;
 			}
+
 			prev_score = fragmentation_score_node(pgdat);
 			proactive_compact_node(pgdat);
 			score = fragmentation_score_node(pgdat);
@@ -2841,6 +2931,8 @@
 			proactive_defer = score < prev_score ?
 					0 : 1 << COMPACT_MAX_DEFER_SHIFT;
 		}
+		if (pgdat->proactive_compact_trigger)
+			pgdat->proactive_compact_trigger = false;
 	}
 
 	return 0;
diff --git a/mm/damon/Kconfig b/mm/damon/Kconfig
new file mode 100644
index 0000000..5bcf058
--- /dev/null
+++ b/mm/damon/Kconfig
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+menu "Data Access Monitoring"
+
+config DAMON
+	bool "DAMON: Data Access Monitoring Framework"
+	help
+	  This builds a framework that allows kernel subsystems to monitor
+	  access frequency of each memory region. The information can be useful
+	  for performance-centric DRAM level memory management.
+
+	  See https://damonitor.github.io/doc/html/latest-damon/index.html for
+	  more information.
+
+config DAMON_KUNIT_TEST
+	bool "Test for damon" if !KUNIT_ALL_TESTS
+	depends on DAMON && KUNIT=y
+	default KUNIT_ALL_TESTS
+	help
+	  This builds the DAMON Kunit test suite.
+
+	  For more information on KUnit and unit tests in general, please refer
+	  to the KUnit documentation.
+
+	  If unsure, say N.
+
+config DAMON_VADDR
+	bool "Data access monitoring primitives for virtual address spaces"
+	depends on DAMON && MMU
+	select PAGE_IDLE_FLAG
+	help
+	  This builds the default data access monitoring primitives for DAMON
+	  that work for virtual address spaces.
+
+config DAMON_PADDR
+	bool "Data access monitoring primitives for the physical address space"
+	depends on DAMON && MMU
+	select PAGE_IDLE_FLAG
+	help
+	  This builds the default data access monitoring primitives for DAMON
+	  that works for the physical address space.
+
+config DAMON_VADDR_KUNIT_TEST
+	bool "Test for DAMON primitives" if !KUNIT_ALL_TESTS
+	depends on DAMON_VADDR && KUNIT=y
+	default KUNIT_ALL_TESTS
+	help
+	  This builds the DAMON virtual addresses primitives Kunit test suite.
+
+	  For more information on KUnit and unit tests in general, please refer
+	  to the KUnit documentation.
+
+	  If unsure, say N.
+
+config DAMON_DBGFS
+	bool "DAMON debugfs interface"
+	depends on DAMON_VADDR && DAMON_PADDR && DEBUG_FS
+	help
+	  This builds the debugfs interface for DAMON.  The user space admins
+	  can use the interface for arbitrary data access monitoring.
+
+	  If unsure, say N.
+
+config DAMON_DBGFS_KUNIT_TEST
+	bool "Test for damon debugfs interface" if !KUNIT_ALL_TESTS
+	depends on DAMON_DBGFS && KUNIT=y
+	default KUNIT_ALL_TESTS
+	help
+	  This builds the DAMON debugfs interface Kunit test suite.
+
+	  For more information on KUnit and unit tests in general, please refer
+	  to the KUnit documentation.
+
+	  If unsure, say N.
+
+config DAMON_RECLAIM
+	bool "Build DAMON-based reclaim (DAMON_RECLAIM)"
+	depends on DAMON_PADDR
+	help
+	  This builds the DAMON-based reclamation subsystem.  It finds pages
+	  that not accessed for a long time (cold) using DAMON and reclaim
+	  those.
+
+	  This is suggested to be used as a proactive and lightweight
+	  reclamation under light memory pressure, while the traditional page
+	  scanning-based reclamation is used for heavy pressure.
+
+endmenu
diff --git a/mm/damon/Makefile b/mm/damon/Makefile
new file mode 100644
index 0000000..f7d5ac3
--- /dev/null
+++ b/mm/damon/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_DAMON)		:= core.o
+obj-$(CONFIG_DAMON_VADDR)	+= prmtv-common.o vaddr.o
+obj-$(CONFIG_DAMON_PADDR)	+= prmtv-common.o paddr.o
+obj-$(CONFIG_DAMON_DBGFS)	+= dbgfs.o
+obj-$(CONFIG_DAMON_RECLAIM)	+= reclaim.o
diff --git a/mm/damon/core-test.h b/mm/damon/core-test.h
new file mode 100644
index 0000000..7008c37
--- /dev/null
+++ b/mm/damon/core-test.h
@@ -0,0 +1,253 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Data Access Monitor Unit Tests
+ *
+ * Copyright 2019 Amazon.com, Inc. or its affiliates.  All rights reserved.
+ *
+ * Author: SeongJae Park <sjpark@amazon.de>
+ */
+
+#ifdef CONFIG_DAMON_KUNIT_TEST
+
+#ifndef _DAMON_CORE_TEST_H
+#define _DAMON_CORE_TEST_H
+
+#include <kunit/test.h>
+
+static void damon_test_regions(struct kunit *test)
+{
+	struct damon_region *r;
+	struct damon_target *t;
+
+	r = damon_new_region(1, 2);
+	KUNIT_EXPECT_EQ(test, 1ul, r->ar.start);
+	KUNIT_EXPECT_EQ(test, 2ul, r->ar.end);
+	KUNIT_EXPECT_EQ(test, 0u, r->nr_accesses);
+
+	t = damon_new_target(42);
+	KUNIT_EXPECT_EQ(test, 0u, damon_nr_regions(t));
+
+	damon_add_region(r, t);
+	KUNIT_EXPECT_EQ(test, 1u, damon_nr_regions(t));
+
+	damon_del_region(r, t);
+	KUNIT_EXPECT_EQ(test, 0u, damon_nr_regions(t));
+
+	damon_free_target(t);
+}
+
+static unsigned int nr_damon_targets(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+	unsigned int nr_targets = 0;
+
+	damon_for_each_target(t, ctx)
+		nr_targets++;
+
+	return nr_targets;
+}
+
+static void damon_test_target(struct kunit *test)
+{
+	struct damon_ctx *c = damon_new_ctx();
+	struct damon_target *t;
+
+	t = damon_new_target(42);
+	KUNIT_EXPECT_EQ(test, 42ul, t->id);
+	KUNIT_EXPECT_EQ(test, 0u, nr_damon_targets(c));
+
+	damon_add_target(c, t);
+	KUNIT_EXPECT_EQ(test, 1u, nr_damon_targets(c));
+
+	damon_destroy_target(t);
+	KUNIT_EXPECT_EQ(test, 0u, nr_damon_targets(c));
+
+	damon_destroy_ctx(c);
+}
+
+/*
+ * Test kdamond_reset_aggregated()
+ *
+ * DAMON checks access to each region and aggregates this information as the
+ * access frequency of each region.  In detail, it increases '->nr_accesses' of
+ * regions that an access has confirmed.  'kdamond_reset_aggregated()' flushes
+ * the aggregated information ('->nr_accesses' of each regions) to the result
+ * buffer.  As a result of the flushing, the '->nr_accesses' of regions are
+ * initialized to zero.
+ */
+static void damon_test_aggregate(struct kunit *test)
+{
+	struct damon_ctx *ctx = damon_new_ctx();
+	unsigned long target_ids[] = {1, 2, 3};
+	unsigned long saddr[][3] = {{10, 20, 30}, {5, 42, 49}, {13, 33, 55} };
+	unsigned long eaddr[][3] = {{15, 27, 40}, {31, 45, 55}, {23, 44, 66} };
+	unsigned long accesses[][3] = {{42, 95, 84}, {10, 20, 30}, {0, 1, 2} };
+	struct damon_target *t;
+	struct damon_region *r;
+	int it, ir;
+
+	damon_set_targets(ctx, target_ids, 3);
+
+	it = 0;
+	damon_for_each_target(t, ctx) {
+		for (ir = 0; ir < 3; ir++) {
+			r = damon_new_region(saddr[it][ir], eaddr[it][ir]);
+			r->nr_accesses = accesses[it][ir];
+			damon_add_region(r, t);
+		}
+		it++;
+	}
+	kdamond_reset_aggregated(ctx);
+	it = 0;
+	damon_for_each_target(t, ctx) {
+		ir = 0;
+		/* '->nr_accesses' should be zeroed */
+		damon_for_each_region(r, t) {
+			KUNIT_EXPECT_EQ(test, 0u, r->nr_accesses);
+			ir++;
+		}
+		/* regions should be preserved */
+		KUNIT_EXPECT_EQ(test, 3, ir);
+		it++;
+	}
+	/* targets also should be preserved */
+	KUNIT_EXPECT_EQ(test, 3, it);
+
+	damon_destroy_ctx(ctx);
+}
+
+static void damon_test_split_at(struct kunit *test)
+{
+	struct damon_ctx *c = damon_new_ctx();
+	struct damon_target *t;
+	struct damon_region *r;
+
+	t = damon_new_target(42);
+	r = damon_new_region(0, 100);
+	damon_add_region(r, t);
+	damon_split_region_at(c, t, r, 25);
+	KUNIT_EXPECT_EQ(test, r->ar.start, 0ul);
+	KUNIT_EXPECT_EQ(test, r->ar.end, 25ul);
+
+	r = damon_next_region(r);
+	KUNIT_EXPECT_EQ(test, r->ar.start, 25ul);
+	KUNIT_EXPECT_EQ(test, r->ar.end, 100ul);
+
+	damon_free_target(t);
+	damon_destroy_ctx(c);
+}
+
+static void damon_test_merge_two(struct kunit *test)
+{
+	struct damon_target *t;
+	struct damon_region *r, *r2, *r3;
+	int i;
+
+	t = damon_new_target(42);
+	r = damon_new_region(0, 100);
+	r->nr_accesses = 10;
+	damon_add_region(r, t);
+	r2 = damon_new_region(100, 300);
+	r2->nr_accesses = 20;
+	damon_add_region(r2, t);
+
+	damon_merge_two_regions(t, r, r2);
+	KUNIT_EXPECT_EQ(test, r->ar.start, 0ul);
+	KUNIT_EXPECT_EQ(test, r->ar.end, 300ul);
+	KUNIT_EXPECT_EQ(test, r->nr_accesses, 16u);
+
+	i = 0;
+	damon_for_each_region(r3, t) {
+		KUNIT_EXPECT_PTR_EQ(test, r, r3);
+		i++;
+	}
+	KUNIT_EXPECT_EQ(test, i, 1);
+
+	damon_free_target(t);
+}
+
+static struct damon_region *__nth_region_of(struct damon_target *t, int idx)
+{
+	struct damon_region *r;
+	unsigned int i = 0;
+
+	damon_for_each_region(r, t) {
+		if (i++ == idx)
+			return r;
+	}
+
+	return NULL;
+}
+
+static void damon_test_merge_regions_of(struct kunit *test)
+{
+	struct damon_target *t;
+	struct damon_region *r;
+	unsigned long sa[] = {0, 100, 114, 122, 130, 156, 170, 184};
+	unsigned long ea[] = {100, 112, 122, 130, 156, 170, 184, 230};
+	unsigned int nrs[] = {0, 0, 10, 10, 20, 30, 1, 2};
+
+	unsigned long saddrs[] = {0, 114, 130, 156, 170};
+	unsigned long eaddrs[] = {112, 130, 156, 170, 230};
+	int i;
+
+	t = damon_new_target(42);
+	for (i = 0; i < ARRAY_SIZE(sa); i++) {
+		r = damon_new_region(sa[i], ea[i]);
+		r->nr_accesses = nrs[i];
+		damon_add_region(r, t);
+	}
+
+	damon_merge_regions_of(t, 9, 9999);
+	/* 0-112, 114-130, 130-156, 156-170 */
+	KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 5u);
+	for (i = 0; i < 5; i++) {
+		r = __nth_region_of(t, i);
+		KUNIT_EXPECT_EQ(test, r->ar.start, saddrs[i]);
+		KUNIT_EXPECT_EQ(test, r->ar.end, eaddrs[i]);
+	}
+	damon_free_target(t);
+}
+
+static void damon_test_split_regions_of(struct kunit *test)
+{
+	struct damon_ctx *c = damon_new_ctx();
+	struct damon_target *t;
+	struct damon_region *r;
+
+	t = damon_new_target(42);
+	r = damon_new_region(0, 22);
+	damon_add_region(r, t);
+	damon_split_regions_of(c, t, 2);
+	KUNIT_EXPECT_LE(test, damon_nr_regions(t), 2u);
+	damon_free_target(t);
+
+	t = damon_new_target(42);
+	r = damon_new_region(0, 220);
+	damon_add_region(r, t);
+	damon_split_regions_of(c, t, 4);
+	KUNIT_EXPECT_LE(test, damon_nr_regions(t), 4u);
+	damon_free_target(t);
+	damon_destroy_ctx(c);
+}
+
+static struct kunit_case damon_test_cases[] = {
+	KUNIT_CASE(damon_test_target),
+	KUNIT_CASE(damon_test_regions),
+	KUNIT_CASE(damon_test_aggregate),
+	KUNIT_CASE(damon_test_split_at),
+	KUNIT_CASE(damon_test_merge_two),
+	KUNIT_CASE(damon_test_merge_regions_of),
+	KUNIT_CASE(damon_test_split_regions_of),
+	{},
+};
+
+static struct kunit_suite damon_test_suite = {
+	.name = "damon",
+	.test_cases = damon_test_cases,
+};
+kunit_test_suite(damon_test_suite);
+
+#endif /* _DAMON_CORE_TEST_H */
+
+#endif	/* CONFIG_DAMON_KUNIT_TEST */
diff --git a/mm/damon/core.c b/mm/damon/core.c
new file mode 100644
index 0000000..b194846
--- /dev/null
+++ b/mm/damon/core.c
@@ -0,0 +1,1076 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Data Access Monitor
+ *
+ * Author: SeongJae Park <sjpark@amazon.de>
+ */
+
+#define pr_fmt(fmt) "damon: " fmt
+
+#include <linux/damon.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/damon.h>
+
+#ifdef CONFIG_DAMON_KUNIT_TEST
+#undef DAMON_MIN_REGION
+#define DAMON_MIN_REGION 1
+#endif
+
+static DEFINE_MUTEX(damon_lock);
+static int nr_running_ctxs;
+
+/*
+ * Construct a damon_region struct
+ *
+ * Returns the pointer to the new struct if success, or NULL otherwise
+ */
+struct damon_region *damon_new_region(unsigned long start, unsigned long end)
+{
+	struct damon_region *region;
+
+	region = kmalloc(sizeof(*region), GFP_KERNEL);
+	if (!region)
+		return NULL;
+
+	region->ar.start = start;
+	region->ar.end = end;
+	region->nr_accesses = 0;
+	INIT_LIST_HEAD(&region->list);
+
+	region->age = 0;
+	region->last_nr_accesses = 0;
+
+	return region;
+}
+
+void damon_add_region(struct damon_region *r, struct damon_target *t)
+{
+	list_add_tail(&r->list, &t->regions_list);
+	t->nr_regions++;
+}
+
+static void damon_del_region(struct damon_region *r, struct damon_target *t)
+{
+	list_del(&r->list);
+	t->nr_regions--;
+}
+
+static void damon_free_region(struct damon_region *r)
+{
+	kfree(r);
+}
+
+void damon_destroy_region(struct damon_region *r, struct damon_target *t)
+{
+	damon_del_region(r, t);
+	damon_free_region(r);
+}
+
+struct damos *damon_new_scheme(
+		unsigned long min_sz_region, unsigned long max_sz_region,
+		unsigned int min_nr_accesses, unsigned int max_nr_accesses,
+		unsigned int min_age_region, unsigned int max_age_region,
+		enum damos_action action, struct damos_quota *quota,
+		struct damos_watermarks *wmarks)
+{
+	struct damos *scheme;
+
+	scheme = kmalloc(sizeof(*scheme), GFP_KERNEL);
+	if (!scheme)
+		return NULL;
+	scheme->min_sz_region = min_sz_region;
+	scheme->max_sz_region = max_sz_region;
+	scheme->min_nr_accesses = min_nr_accesses;
+	scheme->max_nr_accesses = max_nr_accesses;
+	scheme->min_age_region = min_age_region;
+	scheme->max_age_region = max_age_region;
+	scheme->action = action;
+	scheme->stat = (struct damos_stat){};
+	INIT_LIST_HEAD(&scheme->list);
+
+	scheme->quota.ms = quota->ms;
+	scheme->quota.sz = quota->sz;
+	scheme->quota.reset_interval = quota->reset_interval;
+	scheme->quota.weight_sz = quota->weight_sz;
+	scheme->quota.weight_nr_accesses = quota->weight_nr_accesses;
+	scheme->quota.weight_age = quota->weight_age;
+	scheme->quota.total_charged_sz = 0;
+	scheme->quota.total_charged_ns = 0;
+	scheme->quota.esz = 0;
+	scheme->quota.charged_sz = 0;
+	scheme->quota.charged_from = 0;
+	scheme->quota.charge_target_from = NULL;
+	scheme->quota.charge_addr_from = 0;
+
+	scheme->wmarks.metric = wmarks->metric;
+	scheme->wmarks.interval = wmarks->interval;
+	scheme->wmarks.high = wmarks->high;
+	scheme->wmarks.mid = wmarks->mid;
+	scheme->wmarks.low = wmarks->low;
+	scheme->wmarks.activated = true;
+
+	return scheme;
+}
+
+void damon_add_scheme(struct damon_ctx *ctx, struct damos *s)
+{
+	list_add_tail(&s->list, &ctx->schemes);
+}
+
+static void damon_del_scheme(struct damos *s)
+{
+	list_del(&s->list);
+}
+
+static void damon_free_scheme(struct damos *s)
+{
+	kfree(s);
+}
+
+void damon_destroy_scheme(struct damos *s)
+{
+	damon_del_scheme(s);
+	damon_free_scheme(s);
+}
+
+/*
+ * Construct a damon_target struct
+ *
+ * Returns the pointer to the new struct if success, or NULL otherwise
+ */
+struct damon_target *damon_new_target(unsigned long id)
+{
+	struct damon_target *t;
+
+	t = kmalloc(sizeof(*t), GFP_KERNEL);
+	if (!t)
+		return NULL;
+
+	t->id = id;
+	t->nr_regions = 0;
+	INIT_LIST_HEAD(&t->regions_list);
+	INIT_LIST_HEAD(&t->list);
+
+	return t;
+}
+
+void damon_add_target(struct damon_ctx *ctx, struct damon_target *t)
+{
+	list_add_tail(&t->list, &ctx->adaptive_targets);
+}
+
+bool damon_targets_empty(struct damon_ctx *ctx)
+{
+	return list_empty(&ctx->adaptive_targets);
+}
+
+static void damon_del_target(struct damon_target *t)
+{
+	list_del(&t->list);
+}
+
+void damon_free_target(struct damon_target *t)
+{
+	struct damon_region *r, *next;
+
+	damon_for_each_region_safe(r, next, t)
+		damon_free_region(r);
+	kfree(t);
+}
+
+void damon_destroy_target(struct damon_target *t)
+{
+	damon_del_target(t);
+	damon_free_target(t);
+}
+
+unsigned int damon_nr_regions(struct damon_target *t)
+{
+	return t->nr_regions;
+}
+
+struct damon_ctx *damon_new_ctx(void)
+{
+	struct damon_ctx *ctx;
+
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return NULL;
+
+	ctx->sample_interval = 5 * 1000;
+	ctx->aggr_interval = 100 * 1000;
+	ctx->primitive_update_interval = 60 * 1000 * 1000;
+
+	ktime_get_coarse_ts64(&ctx->last_aggregation);
+	ctx->last_primitive_update = ctx->last_aggregation;
+
+	mutex_init(&ctx->kdamond_lock);
+
+	ctx->min_nr_regions = 10;
+	ctx->max_nr_regions = 1000;
+
+	INIT_LIST_HEAD(&ctx->adaptive_targets);
+	INIT_LIST_HEAD(&ctx->schemes);
+
+	return ctx;
+}
+
+static void damon_destroy_targets(struct damon_ctx *ctx)
+{
+	struct damon_target *t, *next_t;
+
+	if (ctx->primitive.cleanup) {
+		ctx->primitive.cleanup(ctx);
+		return;
+	}
+
+	damon_for_each_target_safe(t, next_t, ctx)
+		damon_destroy_target(t);
+}
+
+void damon_destroy_ctx(struct damon_ctx *ctx)
+{
+	struct damos *s, *next_s;
+
+	damon_destroy_targets(ctx);
+
+	damon_for_each_scheme_safe(s, next_s, ctx)
+		damon_destroy_scheme(s);
+
+	kfree(ctx);
+}
+
+/**
+ * damon_set_targets() - Set monitoring targets.
+ * @ctx:	monitoring context
+ * @ids:	array of target ids
+ * @nr_ids:	number of entries in @ids
+ *
+ * This function should not be called while the kdamond is running.
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+int damon_set_targets(struct damon_ctx *ctx,
+		      unsigned long *ids, ssize_t nr_ids)
+{
+	ssize_t i;
+	struct damon_target *t, *next;
+
+	damon_destroy_targets(ctx);
+
+	for (i = 0; i < nr_ids; i++) {
+		t = damon_new_target(ids[i]);
+		if (!t) {
+			/* The caller should do cleanup of the ids itself */
+			damon_for_each_target_safe(t, next, ctx)
+				damon_destroy_target(t);
+			return -ENOMEM;
+		}
+		damon_add_target(ctx, t);
+	}
+
+	return 0;
+}
+
+/**
+ * damon_set_attrs() - Set attributes for the monitoring.
+ * @ctx:		monitoring context
+ * @sample_int:		time interval between samplings
+ * @aggr_int:		time interval between aggregations
+ * @primitive_upd_int:	time interval between monitoring primitive updates
+ * @min_nr_reg:		minimal number of regions
+ * @max_nr_reg:		maximum number of regions
+ *
+ * This function should not be called while the kdamond is running.
+ * Every time interval is in micro-seconds.
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+int damon_set_attrs(struct damon_ctx *ctx, unsigned long sample_int,
+		    unsigned long aggr_int, unsigned long primitive_upd_int,
+		    unsigned long min_nr_reg, unsigned long max_nr_reg)
+{
+	if (min_nr_reg < 3)
+		return -EINVAL;
+	if (min_nr_reg > max_nr_reg)
+		return -EINVAL;
+
+	ctx->sample_interval = sample_int;
+	ctx->aggr_interval = aggr_int;
+	ctx->primitive_update_interval = primitive_upd_int;
+	ctx->min_nr_regions = min_nr_reg;
+	ctx->max_nr_regions = max_nr_reg;
+
+	return 0;
+}
+
+/**
+ * damon_set_schemes() - Set data access monitoring based operation schemes.
+ * @ctx:	monitoring context
+ * @schemes:	array of the schemes
+ * @nr_schemes:	number of entries in @schemes
+ *
+ * This function should not be called while the kdamond of the context is
+ * running.
+ *
+ * Return: 0 if success, or negative error code otherwise.
+ */
+int damon_set_schemes(struct damon_ctx *ctx, struct damos **schemes,
+			ssize_t nr_schemes)
+{
+	struct damos *s, *next;
+	ssize_t i;
+
+	damon_for_each_scheme_safe(s, next, ctx)
+		damon_destroy_scheme(s);
+	for (i = 0; i < nr_schemes; i++)
+		damon_add_scheme(ctx, schemes[i]);
+	return 0;
+}
+
+/**
+ * damon_nr_running_ctxs() - Return number of currently running contexts.
+ */
+int damon_nr_running_ctxs(void)
+{
+	int nr_ctxs;
+
+	mutex_lock(&damon_lock);
+	nr_ctxs = nr_running_ctxs;
+	mutex_unlock(&damon_lock);
+
+	return nr_ctxs;
+}
+
+/* Returns the size upper limit for each monitoring region */
+static unsigned long damon_region_sz_limit(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+	struct damon_region *r;
+	unsigned long sz = 0;
+
+	damon_for_each_target(t, ctx) {
+		damon_for_each_region(r, t)
+			sz += r->ar.end - r->ar.start;
+	}
+
+	if (ctx->min_nr_regions)
+		sz /= ctx->min_nr_regions;
+	if (sz < DAMON_MIN_REGION)
+		sz = DAMON_MIN_REGION;
+
+	return sz;
+}
+
+static int kdamond_fn(void *data);
+
+/*
+ * __damon_start() - Starts monitoring with given context.
+ * @ctx:	monitoring context
+ *
+ * This function should be called while damon_lock is hold.
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+static int __damon_start(struct damon_ctx *ctx)
+{
+	int err = -EBUSY;
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (!ctx->kdamond) {
+		err = 0;
+		ctx->kdamond = kthread_run(kdamond_fn, ctx, "kdamond.%d",
+				nr_running_ctxs);
+		if (IS_ERR(ctx->kdamond)) {
+			err = PTR_ERR(ctx->kdamond);
+			ctx->kdamond = NULL;
+		}
+	}
+	mutex_unlock(&ctx->kdamond_lock);
+
+	return err;
+}
+
+/**
+ * damon_start() - Starts the monitorings for a given group of contexts.
+ * @ctxs:	an array of the pointers for contexts to start monitoring
+ * @nr_ctxs:	size of @ctxs
+ *
+ * This function starts a group of monitoring threads for a group of monitoring
+ * contexts.  One thread per each context is created and run in parallel.  The
+ * caller should handle synchronization between the threads by itself.  If a
+ * group of threads that created by other 'damon_start()' call is currently
+ * running, this function does nothing but returns -EBUSY.
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+int damon_start(struct damon_ctx **ctxs, int nr_ctxs)
+{
+	int i;
+	int err = 0;
+
+	mutex_lock(&damon_lock);
+	if (nr_running_ctxs) {
+		mutex_unlock(&damon_lock);
+		return -EBUSY;
+	}
+
+	for (i = 0; i < nr_ctxs; i++) {
+		err = __damon_start(ctxs[i]);
+		if (err)
+			break;
+		nr_running_ctxs++;
+	}
+	mutex_unlock(&damon_lock);
+
+	return err;
+}
+
+/*
+ * __damon_stop() - Stops monitoring of given context.
+ * @ctx:	monitoring context
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+static int __damon_stop(struct damon_ctx *ctx)
+{
+	struct task_struct *tsk;
+
+	mutex_lock(&ctx->kdamond_lock);
+	tsk = ctx->kdamond;
+	if (tsk) {
+		get_task_struct(tsk);
+		mutex_unlock(&ctx->kdamond_lock);
+		kthread_stop(tsk);
+		put_task_struct(tsk);
+		return 0;
+	}
+	mutex_unlock(&ctx->kdamond_lock);
+
+	return -EPERM;
+}
+
+/**
+ * damon_stop() - Stops the monitorings for a given group of contexts.
+ * @ctxs:	an array of the pointers for contexts to stop monitoring
+ * @nr_ctxs:	size of @ctxs
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+int damon_stop(struct damon_ctx **ctxs, int nr_ctxs)
+{
+	int i, err = 0;
+
+	for (i = 0; i < nr_ctxs; i++) {
+		/* nr_running_ctxs is decremented in kdamond_fn */
+		err = __damon_stop(ctxs[i]);
+		if (err)
+			return err;
+	}
+
+	return err;
+}
+
+/*
+ * damon_check_reset_time_interval() - Check if a time interval is elapsed.
+ * @baseline:	the time to check whether the interval has elapsed since
+ * @interval:	the time interval (microseconds)
+ *
+ * See whether the given time interval has passed since the given baseline
+ * time.  If so, it also updates the baseline to current time for next check.
+ *
+ * Return:	true if the time interval has passed, or false otherwise.
+ */
+static bool damon_check_reset_time_interval(struct timespec64 *baseline,
+		unsigned long interval)
+{
+	struct timespec64 now;
+
+	ktime_get_coarse_ts64(&now);
+	if ((timespec64_to_ns(&now) - timespec64_to_ns(baseline)) <
+			interval * 1000)
+		return false;
+	*baseline = now;
+	return true;
+}
+
+/*
+ * Check whether it is time to flush the aggregated information
+ */
+static bool kdamond_aggregate_interval_passed(struct damon_ctx *ctx)
+{
+	return damon_check_reset_time_interval(&ctx->last_aggregation,
+			ctx->aggr_interval);
+}
+
+/*
+ * Reset the aggregated monitoring results ('nr_accesses' of each region).
+ */
+static void kdamond_reset_aggregated(struct damon_ctx *c)
+{
+	struct damon_target *t;
+	unsigned int ti = 0;	/* target's index */
+
+	damon_for_each_target(t, c) {
+		struct damon_region *r;
+
+		damon_for_each_region(r, t) {
+			trace_damon_aggregated(t, ti, r, damon_nr_regions(t));
+			r->last_nr_accesses = r->nr_accesses;
+			r->nr_accesses = 0;
+		}
+		ti++;
+	}
+}
+
+static void damon_split_region_at(struct damon_ctx *ctx,
+		struct damon_target *t, struct damon_region *r,
+		unsigned long sz_r);
+
+static bool __damos_valid_target(struct damon_region *r, struct damos *s)
+{
+	unsigned long sz;
+
+	sz = r->ar.end - r->ar.start;
+	return s->min_sz_region <= sz && sz <= s->max_sz_region &&
+		s->min_nr_accesses <= r->nr_accesses &&
+		r->nr_accesses <= s->max_nr_accesses &&
+		s->min_age_region <= r->age && r->age <= s->max_age_region;
+}
+
+static bool damos_valid_target(struct damon_ctx *c, struct damon_target *t,
+		struct damon_region *r, struct damos *s)
+{
+	bool ret = __damos_valid_target(r, s);
+
+	if (!ret || !s->quota.esz || !c->primitive.get_scheme_score)
+		return ret;
+
+	return c->primitive.get_scheme_score(c, t, r, s) >= s->quota.min_score;
+}
+
+static void damon_do_apply_schemes(struct damon_ctx *c,
+				   struct damon_target *t,
+				   struct damon_region *r)
+{
+	struct damos *s;
+
+	damon_for_each_scheme(s, c) {
+		struct damos_quota *quota = &s->quota;
+		unsigned long sz = r->ar.end - r->ar.start;
+		struct timespec64 begin, end;
+		unsigned long sz_applied = 0;
+
+		if (!s->wmarks.activated)
+			continue;
+
+		/* Check the quota */
+		if (quota->esz && quota->charged_sz >= quota->esz)
+			continue;
+
+		/* Skip previously charged regions */
+		if (quota->charge_target_from) {
+			if (t != quota->charge_target_from)
+				continue;
+			if (r == damon_last_region(t)) {
+				quota->charge_target_from = NULL;
+				quota->charge_addr_from = 0;
+				continue;
+			}
+			if (quota->charge_addr_from &&
+					r->ar.end <= quota->charge_addr_from)
+				continue;
+
+			if (quota->charge_addr_from && r->ar.start <
+					quota->charge_addr_from) {
+				sz = ALIGN_DOWN(quota->charge_addr_from -
+						r->ar.start, DAMON_MIN_REGION);
+				if (!sz) {
+					if (r->ar.end - r->ar.start <=
+							DAMON_MIN_REGION)
+						continue;
+					sz = DAMON_MIN_REGION;
+				}
+				damon_split_region_at(c, t, r, sz);
+				r = damon_next_region(r);
+				sz = r->ar.end - r->ar.start;
+			}
+			quota->charge_target_from = NULL;
+			quota->charge_addr_from = 0;
+		}
+
+		if (!damos_valid_target(c, t, r, s))
+			continue;
+
+		/* Apply the scheme */
+		if (c->primitive.apply_scheme) {
+			if (quota->esz &&
+					quota->charged_sz + sz > quota->esz) {
+				sz = ALIGN_DOWN(quota->esz - quota->charged_sz,
+						DAMON_MIN_REGION);
+				if (!sz)
+					goto update_stat;
+				damon_split_region_at(c, t, r, sz);
+			}
+			ktime_get_coarse_ts64(&begin);
+			sz_applied = c->primitive.apply_scheme(c, t, r, s);
+			ktime_get_coarse_ts64(&end);
+			quota->total_charged_ns += timespec64_to_ns(&end) -
+				timespec64_to_ns(&begin);
+			quota->charged_sz += sz;
+			if (quota->esz && quota->charged_sz >= quota->esz) {
+				quota->charge_target_from = t;
+				quota->charge_addr_from = r->ar.end + 1;
+			}
+		}
+		if (s->action != DAMOS_STAT)
+			r->age = 0;
+
+update_stat:
+		s->stat.nr_tried++;
+		s->stat.sz_tried += sz;
+		if (sz_applied)
+			s->stat.nr_applied++;
+		s->stat.sz_applied += sz_applied;
+	}
+}
+
+/* Shouldn't be called if quota->ms and quota->sz are zero */
+static void damos_set_effective_quota(struct damos_quota *quota)
+{
+	unsigned long throughput;
+	unsigned long esz;
+
+	if (!quota->ms) {
+		quota->esz = quota->sz;
+		return;
+	}
+
+	if (quota->total_charged_ns)
+		throughput = quota->total_charged_sz * 1000000 /
+			quota->total_charged_ns;
+	else
+		throughput = PAGE_SIZE * 1024;
+	esz = throughput * quota->ms;
+
+	if (quota->sz && quota->sz < esz)
+		esz = quota->sz;
+	quota->esz = esz;
+}
+
+static void kdamond_apply_schemes(struct damon_ctx *c)
+{
+	struct damon_target *t;
+	struct damon_region *r, *next_r;
+	struct damos *s;
+
+	damon_for_each_scheme(s, c) {
+		struct damos_quota *quota = &s->quota;
+		unsigned long cumulated_sz;
+		unsigned int score, max_score = 0;
+
+		if (!s->wmarks.activated)
+			continue;
+
+		if (!quota->ms && !quota->sz)
+			continue;
+
+		/* New charge window starts */
+		if (time_after_eq(jiffies, quota->charged_from +
+					msecs_to_jiffies(
+						quota->reset_interval))) {
+			if (quota->esz && quota->charged_sz >= quota->esz)
+				s->stat.qt_exceeds++;
+			quota->total_charged_sz += quota->charged_sz;
+			quota->charged_from = jiffies;
+			quota->charged_sz = 0;
+			damos_set_effective_quota(quota);
+		}
+
+		if (!c->primitive.get_scheme_score)
+			continue;
+
+		/* Fill up the score histogram */
+		memset(quota->histogram, 0, sizeof(quota->histogram));
+		damon_for_each_target(t, c) {
+			damon_for_each_region(r, t) {
+				if (!__damos_valid_target(r, s))
+					continue;
+				score = c->primitive.get_scheme_score(
+						c, t, r, s);
+				quota->histogram[score] +=
+					r->ar.end - r->ar.start;
+				if (score > max_score)
+					max_score = score;
+			}
+		}
+
+		/* Set the min score limit */
+		for (cumulated_sz = 0, score = max_score; ; score--) {
+			cumulated_sz += quota->histogram[score];
+			if (cumulated_sz >= quota->esz || !score)
+				break;
+		}
+		quota->min_score = score;
+	}
+
+	damon_for_each_target(t, c) {
+		damon_for_each_region_safe(r, next_r, t)
+			damon_do_apply_schemes(c, t, r);
+	}
+}
+
+static inline unsigned long sz_damon_region(struct damon_region *r)
+{
+	return r->ar.end - r->ar.start;
+}
+
+/*
+ * Merge two adjacent regions into one region
+ */
+static void damon_merge_two_regions(struct damon_target *t,
+		struct damon_region *l, struct damon_region *r)
+{
+	unsigned long sz_l = sz_damon_region(l), sz_r = sz_damon_region(r);
+
+	l->nr_accesses = (l->nr_accesses * sz_l + r->nr_accesses * sz_r) /
+			(sz_l + sz_r);
+	l->age = (l->age * sz_l + r->age * sz_r) / (sz_l + sz_r);
+	l->ar.end = r->ar.end;
+	damon_destroy_region(r, t);
+}
+
+/*
+ * Merge adjacent regions having similar access frequencies
+ *
+ * t		target affected by this merge operation
+ * thres	'->nr_accesses' diff threshold for the merge
+ * sz_limit	size upper limit of each region
+ */
+static void damon_merge_regions_of(struct damon_target *t, unsigned int thres,
+				   unsigned long sz_limit)
+{
+	struct damon_region *r, *prev = NULL, *next;
+
+	damon_for_each_region_safe(r, next, t) {
+		if (abs(r->nr_accesses - r->last_nr_accesses) > thres)
+			r->age = 0;
+		else
+			r->age++;
+
+		if (prev && prev->ar.end == r->ar.start &&
+		    abs(prev->nr_accesses - r->nr_accesses) <= thres &&
+		    sz_damon_region(prev) + sz_damon_region(r) <= sz_limit)
+			damon_merge_two_regions(t, prev, r);
+		else
+			prev = r;
+	}
+}
+
+/*
+ * Merge adjacent regions having similar access frequencies
+ *
+ * threshold	'->nr_accesses' diff threshold for the merge
+ * sz_limit	size upper limit of each region
+ *
+ * This function merges monitoring target regions which are adjacent and their
+ * access frequencies are similar.  This is for minimizing the monitoring
+ * overhead under the dynamically changeable access pattern.  If a merge was
+ * unnecessarily made, later 'kdamond_split_regions()' will revert it.
+ */
+static void kdamond_merge_regions(struct damon_ctx *c, unsigned int threshold,
+				  unsigned long sz_limit)
+{
+	struct damon_target *t;
+
+	damon_for_each_target(t, c)
+		damon_merge_regions_of(t, threshold, sz_limit);
+}
+
+/*
+ * Split a region in two
+ *
+ * r		the region to be split
+ * sz_r		size of the first sub-region that will be made
+ */
+static void damon_split_region_at(struct damon_ctx *ctx,
+		struct damon_target *t, struct damon_region *r,
+		unsigned long sz_r)
+{
+	struct damon_region *new;
+
+	new = damon_new_region(r->ar.start + sz_r, r->ar.end);
+	if (!new)
+		return;
+
+	r->ar.end = new->ar.start;
+
+	new->age = r->age;
+	new->last_nr_accesses = r->last_nr_accesses;
+
+	damon_insert_region(new, r, damon_next_region(r), t);
+}
+
+/* Split every region in the given target into 'nr_subs' regions */
+static void damon_split_regions_of(struct damon_ctx *ctx,
+				     struct damon_target *t, int nr_subs)
+{
+	struct damon_region *r, *next;
+	unsigned long sz_region, sz_sub = 0;
+	int i;
+
+	damon_for_each_region_safe(r, next, t) {
+		sz_region = r->ar.end - r->ar.start;
+
+		for (i = 0; i < nr_subs - 1 &&
+				sz_region > 2 * DAMON_MIN_REGION; i++) {
+			/*
+			 * Randomly select size of left sub-region to be at
+			 * least 10 percent and at most 90% of original region
+			 */
+			sz_sub = ALIGN_DOWN(damon_rand(1, 10) *
+					sz_region / 10, DAMON_MIN_REGION);
+			/* Do not allow blank region */
+			if (sz_sub == 0 || sz_sub >= sz_region)
+				continue;
+
+			damon_split_region_at(ctx, t, r, sz_sub);
+			sz_region = sz_sub;
+		}
+	}
+}
+
+/*
+ * Split every target region into randomly-sized small regions
+ *
+ * This function splits every target region into random-sized small regions if
+ * current total number of the regions is equal or smaller than half of the
+ * user-specified maximum number of regions.  This is for maximizing the
+ * monitoring accuracy under the dynamically changeable access patterns.  If a
+ * split was unnecessarily made, later 'kdamond_merge_regions()' will revert
+ * it.
+ */
+static void kdamond_split_regions(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+	unsigned int nr_regions = 0;
+	static unsigned int last_nr_regions;
+	int nr_subregions = 2;
+
+	damon_for_each_target(t, ctx)
+		nr_regions += damon_nr_regions(t);
+
+	if (nr_regions > ctx->max_nr_regions / 2)
+		return;
+
+	/* Maybe the middle of the region has different access frequency */
+	if (last_nr_regions == nr_regions &&
+			nr_regions < ctx->max_nr_regions / 3)
+		nr_subregions = 3;
+
+	damon_for_each_target(t, ctx)
+		damon_split_regions_of(ctx, t, nr_subregions);
+
+	last_nr_regions = nr_regions;
+}
+
+/*
+ * Check whether it is time to check and apply the target monitoring regions
+ *
+ * Returns true if it is.
+ */
+static bool kdamond_need_update_primitive(struct damon_ctx *ctx)
+{
+	return damon_check_reset_time_interval(&ctx->last_primitive_update,
+			ctx->primitive_update_interval);
+}
+
+/*
+ * Check whether current monitoring should be stopped
+ *
+ * The monitoring is stopped when either the user requested to stop, or all
+ * monitoring targets are invalid.
+ *
+ * Returns true if need to stop current monitoring.
+ */
+static bool kdamond_need_stop(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+
+	if (kthread_should_stop())
+		return true;
+
+	if (!ctx->primitive.target_valid)
+		return false;
+
+	damon_for_each_target(t, ctx) {
+		if (ctx->primitive.target_valid(t))
+			return false;
+	}
+
+	return true;
+}
+
+static unsigned long damos_wmark_metric_value(enum damos_wmark_metric metric)
+{
+	struct sysinfo i;
+
+	switch (metric) {
+	case DAMOS_WMARK_FREE_MEM_RATE:
+		si_meminfo(&i);
+		return i.freeram * 1000 / i.totalram;
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
+/*
+ * Returns zero if the scheme is active.  Else, returns time to wait for next
+ * watermark check in micro-seconds.
+ */
+static unsigned long damos_wmark_wait_us(struct damos *scheme)
+{
+	unsigned long metric;
+
+	if (scheme->wmarks.metric == DAMOS_WMARK_NONE)
+		return 0;
+
+	metric = damos_wmark_metric_value(scheme->wmarks.metric);
+	/* higher than high watermark or lower than low watermark */
+	if (metric > scheme->wmarks.high || scheme->wmarks.low > metric) {
+		if (scheme->wmarks.activated)
+			pr_debug("deactivate a scheme (%d) for %s wmark\n",
+					scheme->action,
+					metric > scheme->wmarks.high ?
+					"high" : "low");
+		scheme->wmarks.activated = false;
+		return scheme->wmarks.interval;
+	}
+
+	/* inactive and higher than middle watermark */
+	if ((scheme->wmarks.high >= metric && metric >= scheme->wmarks.mid) &&
+			!scheme->wmarks.activated)
+		return scheme->wmarks.interval;
+
+	if (!scheme->wmarks.activated)
+		pr_debug("activate a scheme (%d)\n", scheme->action);
+	scheme->wmarks.activated = true;
+	return 0;
+}
+
+static void kdamond_usleep(unsigned long usecs)
+{
+	/* See Documentation/timers/timers-howto.rst for the thresholds */
+	if (usecs > 20 * USEC_PER_MSEC)
+		schedule_timeout_idle(usecs_to_jiffies(usecs));
+	else
+		usleep_idle_range(usecs, usecs + 1);
+}
+
+/* Returns negative error code if it's not activated but should return */
+static int kdamond_wait_activation(struct damon_ctx *ctx)
+{
+	struct damos *s;
+	unsigned long wait_time;
+	unsigned long min_wait_time = 0;
+
+	while (!kdamond_need_stop(ctx)) {
+		damon_for_each_scheme(s, ctx) {
+			wait_time = damos_wmark_wait_us(s);
+			if (!min_wait_time || wait_time < min_wait_time)
+				min_wait_time = wait_time;
+		}
+		if (!min_wait_time)
+			return 0;
+
+		kdamond_usleep(min_wait_time);
+	}
+	return -EBUSY;
+}
+
+/*
+ * The monitoring daemon that runs as a kernel thread
+ */
+static int kdamond_fn(void *data)
+{
+	struct damon_ctx *ctx = (struct damon_ctx *)data;
+	struct damon_target *t;
+	struct damon_region *r, *next;
+	unsigned int max_nr_accesses = 0;
+	unsigned long sz_limit = 0;
+	bool done = false;
+
+	pr_debug("kdamond (%d) starts\n", current->pid);
+
+	if (ctx->primitive.init)
+		ctx->primitive.init(ctx);
+	if (ctx->callback.before_start && ctx->callback.before_start(ctx))
+		done = true;
+
+	sz_limit = damon_region_sz_limit(ctx);
+
+	while (!kdamond_need_stop(ctx) && !done) {
+		if (kdamond_wait_activation(ctx))
+			continue;
+
+		if (ctx->primitive.prepare_access_checks)
+			ctx->primitive.prepare_access_checks(ctx);
+		if (ctx->callback.after_sampling &&
+				ctx->callback.after_sampling(ctx))
+			done = true;
+
+		kdamond_usleep(ctx->sample_interval);
+
+		if (ctx->primitive.check_accesses)
+			max_nr_accesses = ctx->primitive.check_accesses(ctx);
+
+		if (kdamond_aggregate_interval_passed(ctx)) {
+			kdamond_merge_regions(ctx,
+					max_nr_accesses / 10,
+					sz_limit);
+			if (ctx->callback.after_aggregation &&
+					ctx->callback.after_aggregation(ctx))
+				done = true;
+			kdamond_apply_schemes(ctx);
+			kdamond_reset_aggregated(ctx);
+			kdamond_split_regions(ctx);
+			if (ctx->primitive.reset_aggregated)
+				ctx->primitive.reset_aggregated(ctx);
+		}
+
+		if (kdamond_need_update_primitive(ctx)) {
+			if (ctx->primitive.update)
+				ctx->primitive.update(ctx);
+			sz_limit = damon_region_sz_limit(ctx);
+		}
+	}
+	damon_for_each_target(t, ctx) {
+		damon_for_each_region_safe(r, next, t)
+			damon_destroy_region(r, t);
+	}
+
+	if (ctx->callback.before_terminate)
+		ctx->callback.before_terminate(ctx);
+	if (ctx->primitive.cleanup)
+		ctx->primitive.cleanup(ctx);
+
+	pr_debug("kdamond (%d) finishes\n", current->pid);
+	mutex_lock(&ctx->kdamond_lock);
+	ctx->kdamond = NULL;
+	mutex_unlock(&ctx->kdamond_lock);
+
+	mutex_lock(&damon_lock);
+	nr_running_ctxs--;
+	mutex_unlock(&damon_lock);
+
+	return 0;
+}
+
+#include "core-test.h"
diff --git a/mm/damon/dbgfs-test.h b/mm/damon/dbgfs-test.h
new file mode 100644
index 0000000..86b9f95
--- /dev/null
+++ b/mm/damon/dbgfs-test.h
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * DAMON Debugfs Interface Unit Tests
+ *
+ * Author: SeongJae Park <sjpark@amazon.de>
+ */
+
+#ifdef CONFIG_DAMON_DBGFS_KUNIT_TEST
+
+#ifndef _DAMON_DBGFS_TEST_H
+#define _DAMON_DBGFS_TEST_H
+
+#include <kunit/test.h>
+
+static void damon_dbgfs_test_str_to_target_ids(struct kunit *test)
+{
+	char *question;
+	unsigned long *answers;
+	unsigned long expected[] = {12, 35, 46};
+	ssize_t nr_integers = 0, i;
+
+	question = "123";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers);
+	KUNIT_EXPECT_EQ(test, 123ul, answers[0]);
+	kfree(answers);
+
+	question = "123abc";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers);
+	KUNIT_EXPECT_EQ(test, 123ul, answers[0]);
+	kfree(answers);
+
+	question = "a123";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers);
+	kfree(answers);
+
+	question = "12 35";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers);
+	for (i = 0; i < nr_integers; i++)
+		KUNIT_EXPECT_EQ(test, expected[i], answers[i]);
+	kfree(answers);
+
+	question = "12 35 46";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)3, nr_integers);
+	for (i = 0; i < nr_integers; i++)
+		KUNIT_EXPECT_EQ(test, expected[i], answers[i]);
+	kfree(answers);
+
+	question = "12 35 abc 46";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers);
+	for (i = 0; i < 2; i++)
+		KUNIT_EXPECT_EQ(test, expected[i], answers[i]);
+	kfree(answers);
+
+	question = "";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers);
+	kfree(answers);
+
+	question = "\n";
+	answers = str_to_target_ids(question, strlen(question),
+			&nr_integers);
+	KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers);
+	kfree(answers);
+}
+
+static void damon_dbgfs_test_set_targets(struct kunit *test)
+{
+	struct damon_ctx *ctx = dbgfs_new_ctx();
+	unsigned long ids[] = {1, 2, 3};
+	char buf[64];
+
+	/* Make DAMON consider target id as plain number */
+	ctx->primitive.target_valid = NULL;
+	ctx->primitive.cleanup = NULL;
+
+	damon_set_targets(ctx, ids, 3);
+	sprint_target_ids(ctx, buf, 64);
+	KUNIT_EXPECT_STREQ(test, (char *)buf, "1 2 3\n");
+
+	damon_set_targets(ctx, NULL, 0);
+	sprint_target_ids(ctx, buf, 64);
+	KUNIT_EXPECT_STREQ(test, (char *)buf, "\n");
+
+	damon_set_targets(ctx, (unsigned long []){1, 2}, 2);
+	sprint_target_ids(ctx, buf, 64);
+	KUNIT_EXPECT_STREQ(test, (char *)buf, "1 2\n");
+
+	damon_set_targets(ctx, (unsigned long []){2}, 1);
+	sprint_target_ids(ctx, buf, 64);
+	KUNIT_EXPECT_STREQ(test, (char *)buf, "2\n");
+
+	damon_set_targets(ctx, NULL, 0);
+	sprint_target_ids(ctx, buf, 64);
+	KUNIT_EXPECT_STREQ(test, (char *)buf, "\n");
+
+	dbgfs_destroy_ctx(ctx);
+}
+
+static void damon_dbgfs_test_set_init_regions(struct kunit *test)
+{
+	struct damon_ctx *ctx = damon_new_ctx();
+	unsigned long ids[] = {1, 2, 3};
+	/* Each line represents one region in ``<target id> <start> <end>`` */
+	char * const valid_inputs[] = {"2 10 20\n 2   20 30\n2 35 45",
+		"2 10 20\n",
+		"2 10 20\n1 39 59\n1 70 134\n  2  20 25\n",
+		""};
+	/* Reading the file again will show sorted, clean output */
+	char * const valid_expects[] = {"2 10 20\n2 20 30\n2 35 45\n",
+		"2 10 20\n",
+		"1 39 59\n1 70 134\n2 10 20\n2 20 25\n",
+		""};
+	char * const invalid_inputs[] = {"4 10 20\n",	/* target not exists */
+		"2 10 20\n 2 14 26\n",		/* regions overlap */
+		"1 10 20\n2 30 40\n 1 5 8"};	/* not sorted by address */
+	char *input, *expect;
+	int i, rc;
+	char buf[256];
+
+	damon_set_targets(ctx, ids, 3);
+
+	/* Put valid inputs and check the results */
+	for (i = 0; i < ARRAY_SIZE(valid_inputs); i++) {
+		input = valid_inputs[i];
+		expect = valid_expects[i];
+
+		rc = set_init_regions(ctx, input, strnlen(input, 256));
+		KUNIT_EXPECT_EQ(test, rc, 0);
+
+		memset(buf, 0, 256);
+		sprint_init_regions(ctx, buf, 256);
+
+		KUNIT_EXPECT_STREQ(test, (char *)buf, expect);
+	}
+	/* Put invalid inputs and check the return error code */
+	for (i = 0; i < ARRAY_SIZE(invalid_inputs); i++) {
+		input = invalid_inputs[i];
+		pr_info("input: %s\n", input);
+		rc = set_init_regions(ctx, input, strnlen(input, 256));
+		KUNIT_EXPECT_EQ(test, rc, -EINVAL);
+
+		memset(buf, 0, 256);
+		sprint_init_regions(ctx, buf, 256);
+
+		KUNIT_EXPECT_STREQ(test, (char *)buf, "");
+	}
+
+	damon_set_targets(ctx, NULL, 0);
+	damon_destroy_ctx(ctx);
+}
+
+static struct kunit_case damon_test_cases[] = {
+	KUNIT_CASE(damon_dbgfs_test_str_to_target_ids),
+	KUNIT_CASE(damon_dbgfs_test_set_targets),
+	KUNIT_CASE(damon_dbgfs_test_set_init_regions),
+	{},
+};
+
+static struct kunit_suite damon_test_suite = {
+	.name = "damon-dbgfs",
+	.test_cases = damon_test_cases,
+};
+kunit_test_suite(damon_test_suite);
+
+#endif /* _DAMON_TEST_H */
+
+#endif	/* CONFIG_DAMON_KUNIT_TEST */
diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c
new file mode 100644
index 0000000..819c337
--- /dev/null
+++ b/mm/damon/dbgfs.c
@@ -0,0 +1,1009 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DAMON Debugfs Interface
+ *
+ * Author: SeongJae Park <sjpark@amazon.de>
+ */
+
+#define pr_fmt(fmt) "damon-dbgfs: " fmt
+
+#include <linux/damon.h>
+#include <linux/debugfs.h>
+#include <linux/file.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/page_idle.h>
+#include <linux/slab.h>
+
+static struct damon_ctx **dbgfs_ctxs;
+static int dbgfs_nr_ctxs;
+static struct dentry **dbgfs_dirs;
+static DEFINE_MUTEX(damon_dbgfs_lock);
+
+/*
+ * Returns non-empty string on success, negative error code otherwise.
+ */
+static char *user_input_str(const char __user *buf, size_t count, loff_t *ppos)
+{
+	char *kbuf;
+	ssize_t ret;
+
+	/* We do not accept continuous write */
+	if (*ppos)
+		return ERR_PTR(-EINVAL);
+
+	kbuf = kmalloc(count + 1, GFP_KERNEL | __GFP_NOWARN);
+	if (!kbuf)
+		return ERR_PTR(-ENOMEM);
+
+	ret = simple_write_to_buffer(kbuf, count + 1, ppos, buf, count);
+	if (ret != count) {
+		kfree(kbuf);
+		return ERR_PTR(-EIO);
+	}
+	kbuf[ret] = '\0';
+
+	return kbuf;
+}
+
+static ssize_t dbgfs_attrs_read(struct file *file,
+		char __user *buf, size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	char kbuf[128];
+	int ret;
+
+	mutex_lock(&ctx->kdamond_lock);
+	ret = scnprintf(kbuf, ARRAY_SIZE(kbuf), "%lu %lu %lu %lu %lu\n",
+			ctx->sample_interval, ctx->aggr_interval,
+			ctx->primitive_update_interval, ctx->min_nr_regions,
+			ctx->max_nr_regions);
+	mutex_unlock(&ctx->kdamond_lock);
+
+	return simple_read_from_buffer(buf, count, ppos, kbuf, ret);
+}
+
+static ssize_t dbgfs_attrs_write(struct file *file,
+		const char __user *buf, size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	unsigned long s, a, r, minr, maxr;
+	char *kbuf;
+	ssize_t ret;
+
+	kbuf = user_input_str(buf, count, ppos);
+	if (IS_ERR(kbuf))
+		return PTR_ERR(kbuf);
+
+	if (sscanf(kbuf, "%lu %lu %lu %lu %lu",
+				&s, &a, &r, &minr, &maxr) != 5) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (ctx->kdamond) {
+		ret = -EBUSY;
+		goto unlock_out;
+	}
+
+	ret = damon_set_attrs(ctx, s, a, r, minr, maxr);
+	if (!ret)
+		ret = count;
+unlock_out:
+	mutex_unlock(&ctx->kdamond_lock);
+out:
+	kfree(kbuf);
+	return ret;
+}
+
+static ssize_t sprint_schemes(struct damon_ctx *c, char *buf, ssize_t len)
+{
+	struct damos *s;
+	int written = 0;
+	int rc;
+
+	damon_for_each_scheme(s, c) {
+		rc = scnprintf(&buf[written], len - written,
+				"%lu %lu %u %u %u %u %d %lu %lu %lu %u %u %u %d %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
+				s->min_sz_region, s->max_sz_region,
+				s->min_nr_accesses, s->max_nr_accesses,
+				s->min_age_region, s->max_age_region,
+				s->action,
+				s->quota.ms, s->quota.sz,
+				s->quota.reset_interval,
+				s->quota.weight_sz,
+				s->quota.weight_nr_accesses,
+				s->quota.weight_age,
+				s->wmarks.metric, s->wmarks.interval,
+				s->wmarks.high, s->wmarks.mid, s->wmarks.low,
+				s->stat.nr_tried, s->stat.sz_tried,
+				s->stat.nr_applied, s->stat.sz_applied,
+				s->stat.qt_exceeds);
+		if (!rc)
+			return -ENOMEM;
+
+		written += rc;
+	}
+	return written;
+}
+
+static ssize_t dbgfs_schemes_read(struct file *file, char __user *buf,
+		size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	char *kbuf;
+	ssize_t len;
+
+	kbuf = kmalloc(count, GFP_KERNEL | __GFP_NOWARN);
+	if (!kbuf)
+		return -ENOMEM;
+
+	mutex_lock(&ctx->kdamond_lock);
+	len = sprint_schemes(ctx, kbuf, count);
+	mutex_unlock(&ctx->kdamond_lock);
+	if (len < 0)
+		goto out;
+	len = simple_read_from_buffer(buf, count, ppos, kbuf, len);
+
+out:
+	kfree(kbuf);
+	return len;
+}
+
+static void free_schemes_arr(struct damos **schemes, ssize_t nr_schemes)
+{
+	ssize_t i;
+
+	for (i = 0; i < nr_schemes; i++)
+		kfree(schemes[i]);
+	kfree(schemes);
+}
+
+static bool damos_action_valid(int action)
+{
+	switch (action) {
+	case DAMOS_WILLNEED:
+	case DAMOS_COLD:
+	case DAMOS_PAGEOUT:
+	case DAMOS_HUGEPAGE:
+	case DAMOS_NOHUGEPAGE:
+	case DAMOS_STAT:
+		return true;
+	default:
+		return false;
+	}
+}
+
+/*
+ * Converts a string into an array of struct damos pointers
+ *
+ * Returns an array of struct damos pointers that converted if the conversion
+ * success, or NULL otherwise.
+ */
+static struct damos **str_to_schemes(const char *str, ssize_t len,
+				ssize_t *nr_schemes)
+{
+	struct damos *scheme, **schemes;
+	const int max_nr_schemes = 256;
+	int pos = 0, parsed, ret;
+	unsigned long min_sz, max_sz;
+	unsigned int min_nr_a, max_nr_a, min_age, max_age;
+	unsigned int action;
+
+	schemes = kmalloc_array(max_nr_schemes, sizeof(scheme),
+			GFP_KERNEL);
+	if (!schemes)
+		return NULL;
+
+	*nr_schemes = 0;
+	while (pos < len && *nr_schemes < max_nr_schemes) {
+		struct damos_quota quota = {};
+		struct damos_watermarks wmarks;
+
+		ret = sscanf(&str[pos],
+				"%lu %lu %u %u %u %u %u %lu %lu %lu %u %u %u %u %lu %lu %lu %lu%n",
+				&min_sz, &max_sz, &min_nr_a, &max_nr_a,
+				&min_age, &max_age, &action, &quota.ms,
+				&quota.sz, &quota.reset_interval,
+				&quota.weight_sz, &quota.weight_nr_accesses,
+				&quota.weight_age, &wmarks.metric,
+				&wmarks.interval, &wmarks.high, &wmarks.mid,
+				&wmarks.low, &parsed);
+		if (ret != 18)
+			break;
+		if (!damos_action_valid(action))
+			goto fail;
+
+		if (min_sz > max_sz || min_nr_a > max_nr_a || min_age > max_age)
+			goto fail;
+
+		if (wmarks.high < wmarks.mid || wmarks.high < wmarks.low ||
+		    wmarks.mid <  wmarks.low)
+			goto fail;
+
+		pos += parsed;
+		scheme = damon_new_scheme(min_sz, max_sz, min_nr_a, max_nr_a,
+				min_age, max_age, action, &quota, &wmarks);
+		if (!scheme)
+			goto fail;
+
+		schemes[*nr_schemes] = scheme;
+		*nr_schemes += 1;
+	}
+	return schemes;
+fail:
+	free_schemes_arr(schemes, *nr_schemes);
+	return NULL;
+}
+
+static ssize_t dbgfs_schemes_write(struct file *file, const char __user *buf,
+		size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	char *kbuf;
+	struct damos **schemes;
+	ssize_t nr_schemes = 0, ret;
+
+	kbuf = user_input_str(buf, count, ppos);
+	if (IS_ERR(kbuf))
+		return PTR_ERR(kbuf);
+
+	schemes = str_to_schemes(kbuf, count, &nr_schemes);
+	if (!schemes) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (ctx->kdamond) {
+		ret = -EBUSY;
+		goto unlock_out;
+	}
+
+	ret = damon_set_schemes(ctx, schemes, nr_schemes);
+	if (!ret) {
+		ret = count;
+		nr_schemes = 0;
+	}
+
+unlock_out:
+	mutex_unlock(&ctx->kdamond_lock);
+	free_schemes_arr(schemes, nr_schemes);
+out:
+	kfree(kbuf);
+	return ret;
+}
+
+static inline bool targetid_is_pid(const struct damon_ctx *ctx)
+{
+	return ctx->primitive.target_valid == damon_va_target_valid;
+}
+
+static ssize_t sprint_target_ids(struct damon_ctx *ctx, char *buf, ssize_t len)
+{
+	struct damon_target *t;
+	unsigned long id;
+	int written = 0;
+	int rc;
+
+	damon_for_each_target(t, ctx) {
+		id = t->id;
+		if (targetid_is_pid(ctx))
+			/* Show pid numbers to debugfs users */
+			id = (unsigned long)pid_vnr((struct pid *)id);
+
+		rc = scnprintf(&buf[written], len - written, "%lu ", id);
+		if (!rc)
+			return -ENOMEM;
+		written += rc;
+	}
+	if (written)
+		written -= 1;
+	written += scnprintf(&buf[written], len - written, "\n");
+	return written;
+}
+
+static ssize_t dbgfs_target_ids_read(struct file *file,
+		char __user *buf, size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	ssize_t len;
+	char ids_buf[320];
+
+	mutex_lock(&ctx->kdamond_lock);
+	len = sprint_target_ids(ctx, ids_buf, 320);
+	mutex_unlock(&ctx->kdamond_lock);
+	if (len < 0)
+		return len;
+
+	return simple_read_from_buffer(buf, count, ppos, ids_buf, len);
+}
+
+/*
+ * Converts a string into an array of unsigned long integers
+ *
+ * Returns an array of unsigned long integers if the conversion success, or
+ * NULL otherwise.
+ */
+static unsigned long *str_to_target_ids(const char *str, ssize_t len,
+					ssize_t *nr_ids)
+{
+	unsigned long *ids;
+	const int max_nr_ids = 32;
+	unsigned long id;
+	int pos = 0, parsed, ret;
+
+	*nr_ids = 0;
+	ids = kmalloc_array(max_nr_ids, sizeof(id), GFP_KERNEL);
+	if (!ids)
+		return NULL;
+	while (*nr_ids < max_nr_ids && pos < len) {
+		ret = sscanf(&str[pos], "%lu%n", &id, &parsed);
+		pos += parsed;
+		if (ret != 1)
+			break;
+		ids[*nr_ids] = id;
+		*nr_ids += 1;
+	}
+
+	return ids;
+}
+
+static void dbgfs_put_pids(unsigned long *ids, int nr_ids)
+{
+	int i;
+
+	for (i = 0; i < nr_ids; i++)
+		put_pid((struct pid *)ids[i]);
+}
+
+static ssize_t dbgfs_target_ids_write(struct file *file,
+		const char __user *buf, size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	struct damon_target *t, *next_t;
+	bool id_is_pid = true;
+	char *kbuf;
+	unsigned long *targets;
+	ssize_t nr_targets;
+	ssize_t ret;
+	int i;
+
+	kbuf = user_input_str(buf, count, ppos);
+	if (IS_ERR(kbuf))
+		return PTR_ERR(kbuf);
+
+	if (!strncmp(kbuf, "paddr\n", count)) {
+		id_is_pid = false;
+		/* target id is meaningless here, but we set it just for fun */
+		scnprintf(kbuf, count, "42    ");
+	}
+
+	targets = str_to_target_ids(kbuf, count, &nr_targets);
+	if (!targets) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	if (id_is_pid) {
+		for (i = 0; i < nr_targets; i++) {
+			targets[i] = (unsigned long)find_get_pid(
+					(int)targets[i]);
+			if (!targets[i]) {
+				dbgfs_put_pids(targets, i);
+				ret = -EINVAL;
+				goto free_targets_out;
+			}
+		}
+	}
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (ctx->kdamond) {
+		if (id_is_pid)
+			dbgfs_put_pids(targets, nr_targets);
+		ret = -EBUSY;
+		goto unlock_out;
+	}
+
+	/* remove previously set targets */
+	damon_for_each_target_safe(t, next_t, ctx) {
+		if (targetid_is_pid(ctx))
+			put_pid((struct pid *)t->id);
+		damon_destroy_target(t);
+	}
+
+	/* Configure the context for the address space type */
+	if (id_is_pid)
+		damon_va_set_primitives(ctx);
+	else
+		damon_pa_set_primitives(ctx);
+
+	ret = damon_set_targets(ctx, targets, nr_targets);
+	if (ret) {
+		if (id_is_pid)
+			dbgfs_put_pids(targets, nr_targets);
+	} else {
+		ret = count;
+	}
+
+unlock_out:
+	mutex_unlock(&ctx->kdamond_lock);
+free_targets_out:
+	kfree(targets);
+out:
+	kfree(kbuf);
+	return ret;
+}
+
+static ssize_t sprint_init_regions(struct damon_ctx *c, char *buf, ssize_t len)
+{
+	struct damon_target *t;
+	struct damon_region *r;
+	int written = 0;
+	int rc;
+
+	damon_for_each_target(t, c) {
+		damon_for_each_region(r, t) {
+			rc = scnprintf(&buf[written], len - written,
+					"%lu %lu %lu\n",
+					t->id, r->ar.start, r->ar.end);
+			if (!rc)
+				return -ENOMEM;
+			written += rc;
+		}
+	}
+	return written;
+}
+
+static ssize_t dbgfs_init_regions_read(struct file *file, char __user *buf,
+		size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	char *kbuf;
+	ssize_t len;
+
+	kbuf = kmalloc(count, GFP_KERNEL | __GFP_NOWARN);
+	if (!kbuf)
+		return -ENOMEM;
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (ctx->kdamond) {
+		mutex_unlock(&ctx->kdamond_lock);
+		len = -EBUSY;
+		goto out;
+	}
+
+	len = sprint_init_regions(ctx, kbuf, count);
+	mutex_unlock(&ctx->kdamond_lock);
+	if (len < 0)
+		goto out;
+	len = simple_read_from_buffer(buf, count, ppos, kbuf, len);
+
+out:
+	kfree(kbuf);
+	return len;
+}
+
+static int add_init_region(struct damon_ctx *c,
+			 unsigned long target_id, struct damon_addr_range *ar)
+{
+	struct damon_target *t;
+	struct damon_region *r, *prev;
+	unsigned long id;
+	int rc = -EINVAL;
+
+	if (ar->start >= ar->end)
+		return -EINVAL;
+
+	damon_for_each_target(t, c) {
+		id = t->id;
+		if (targetid_is_pid(c))
+			id = (unsigned long)pid_vnr((struct pid *)id);
+		if (id == target_id) {
+			r = damon_new_region(ar->start, ar->end);
+			if (!r)
+				return -ENOMEM;
+			damon_add_region(r, t);
+			if (damon_nr_regions(t) > 1) {
+				prev = damon_prev_region(r);
+				if (prev->ar.end > r->ar.start) {
+					damon_destroy_region(r, t);
+					return -EINVAL;
+				}
+			}
+			rc = 0;
+		}
+	}
+	return rc;
+}
+
+static int set_init_regions(struct damon_ctx *c, const char *str, ssize_t len)
+{
+	struct damon_target *t;
+	struct damon_region *r, *next;
+	int pos = 0, parsed, ret;
+	unsigned long target_id;
+	struct damon_addr_range ar;
+	int err;
+
+	damon_for_each_target(t, c) {
+		damon_for_each_region_safe(r, next, t)
+			damon_destroy_region(r, t);
+	}
+
+	while (pos < len) {
+		ret = sscanf(&str[pos], "%lu %lu %lu%n",
+				&target_id, &ar.start, &ar.end, &parsed);
+		if (ret != 3)
+			break;
+		err = add_init_region(c, target_id, &ar);
+		if (err)
+			goto fail;
+		pos += parsed;
+	}
+
+	return 0;
+
+fail:
+	damon_for_each_target(t, c) {
+		damon_for_each_region_safe(r, next, t)
+			damon_destroy_region(r, t);
+	}
+	return err;
+}
+
+static ssize_t dbgfs_init_regions_write(struct file *file,
+					  const char __user *buf, size_t count,
+					  loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	char *kbuf;
+	ssize_t ret = count;
+	int err;
+
+	kbuf = user_input_str(buf, count, ppos);
+	if (IS_ERR(kbuf))
+		return PTR_ERR(kbuf);
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (ctx->kdamond) {
+		ret = -EBUSY;
+		goto unlock_out;
+	}
+
+	err = set_init_regions(ctx, kbuf, ret);
+	if (err)
+		ret = err;
+
+unlock_out:
+	mutex_unlock(&ctx->kdamond_lock);
+	kfree(kbuf);
+	return ret;
+}
+
+static ssize_t dbgfs_kdamond_pid_read(struct file *file,
+		char __user *buf, size_t count, loff_t *ppos)
+{
+	struct damon_ctx *ctx = file->private_data;
+	char *kbuf;
+	ssize_t len;
+
+	kbuf = kmalloc(count, GFP_KERNEL | __GFP_NOWARN);
+	if (!kbuf)
+		return -ENOMEM;
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (ctx->kdamond)
+		len = scnprintf(kbuf, count, "%d\n", ctx->kdamond->pid);
+	else
+		len = scnprintf(kbuf, count, "none\n");
+	mutex_unlock(&ctx->kdamond_lock);
+	if (!len)
+		goto out;
+	len = simple_read_from_buffer(buf, count, ppos, kbuf, len);
+
+out:
+	kfree(kbuf);
+	return len;
+}
+
+static int damon_dbgfs_open(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+
+	return nonseekable_open(inode, file);
+}
+
+static const struct file_operations attrs_fops = {
+	.open = damon_dbgfs_open,
+	.read = dbgfs_attrs_read,
+	.write = dbgfs_attrs_write,
+};
+
+static const struct file_operations schemes_fops = {
+	.open = damon_dbgfs_open,
+	.read = dbgfs_schemes_read,
+	.write = dbgfs_schemes_write,
+};
+
+static const struct file_operations target_ids_fops = {
+	.open = damon_dbgfs_open,
+	.read = dbgfs_target_ids_read,
+	.write = dbgfs_target_ids_write,
+};
+
+static const struct file_operations init_regions_fops = {
+	.open = damon_dbgfs_open,
+	.read = dbgfs_init_regions_read,
+	.write = dbgfs_init_regions_write,
+};
+
+static const struct file_operations kdamond_pid_fops = {
+	.open = damon_dbgfs_open,
+	.read = dbgfs_kdamond_pid_read,
+};
+
+static void dbgfs_fill_ctx_dir(struct dentry *dir, struct damon_ctx *ctx)
+{
+	const char * const file_names[] = {"attrs", "schemes", "target_ids",
+		"init_regions", "kdamond_pid"};
+	const struct file_operations *fops[] = {&attrs_fops, &schemes_fops,
+		&target_ids_fops, &init_regions_fops, &kdamond_pid_fops};
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(file_names); i++)
+		debugfs_create_file(file_names[i], 0600, dir, ctx, fops[i]);
+}
+
+static void dbgfs_before_terminate(struct damon_ctx *ctx)
+{
+	struct damon_target *t, *next;
+
+	if (!targetid_is_pid(ctx))
+		return;
+
+	mutex_lock(&ctx->kdamond_lock);
+	damon_for_each_target_safe(t, next, ctx) {
+		put_pid((struct pid *)t->id);
+		damon_destroy_target(t);
+	}
+	mutex_unlock(&ctx->kdamond_lock);
+}
+
+static struct damon_ctx *dbgfs_new_ctx(void)
+{
+	struct damon_ctx *ctx;
+
+	ctx = damon_new_ctx();
+	if (!ctx)
+		return NULL;
+
+	damon_va_set_primitives(ctx);
+	ctx->callback.before_terminate = dbgfs_before_terminate;
+	return ctx;
+}
+
+static void dbgfs_destroy_ctx(struct damon_ctx *ctx)
+{
+	damon_destroy_ctx(ctx);
+}
+
+/*
+ * Make a context of @name and create a debugfs directory for it.
+ *
+ * This function should be called while holding damon_dbgfs_lock.
+ *
+ * Returns 0 on success, negative error code otherwise.
+ */
+static int dbgfs_mk_context(char *name)
+{
+	struct dentry *root, **new_dirs, *new_dir;
+	struct damon_ctx **new_ctxs, *new_ctx;
+
+	if (damon_nr_running_ctxs())
+		return -EBUSY;
+
+	new_ctxs = krealloc(dbgfs_ctxs, sizeof(*dbgfs_ctxs) *
+			(dbgfs_nr_ctxs + 1), GFP_KERNEL);
+	if (!new_ctxs)
+		return -ENOMEM;
+	dbgfs_ctxs = new_ctxs;
+
+	new_dirs = krealloc(dbgfs_dirs, sizeof(*dbgfs_dirs) *
+			(dbgfs_nr_ctxs + 1), GFP_KERNEL);
+	if (!new_dirs)
+		return -ENOMEM;
+	dbgfs_dirs = new_dirs;
+
+	root = dbgfs_dirs[0];
+	if (!root)
+		return -ENOENT;
+
+	new_dir = debugfs_create_dir(name, root);
+	/* Below check is required for a potential duplicated name case */
+	if (IS_ERR(new_dir))
+		return PTR_ERR(new_dir);
+	dbgfs_dirs[dbgfs_nr_ctxs] = new_dir;
+
+	new_ctx = dbgfs_new_ctx();
+	if (!new_ctx) {
+		debugfs_remove(new_dir);
+		dbgfs_dirs[dbgfs_nr_ctxs] = NULL;
+		return -ENOMEM;
+	}
+
+	dbgfs_ctxs[dbgfs_nr_ctxs] = new_ctx;
+	dbgfs_fill_ctx_dir(dbgfs_dirs[dbgfs_nr_ctxs],
+			dbgfs_ctxs[dbgfs_nr_ctxs]);
+	dbgfs_nr_ctxs++;
+
+	return 0;
+}
+
+static ssize_t dbgfs_mk_context_write(struct file *file,
+		const char __user *buf, size_t count, loff_t *ppos)
+{
+	char *kbuf;
+	char *ctx_name;
+	ssize_t ret;
+
+	kbuf = user_input_str(buf, count, ppos);
+	if (IS_ERR(kbuf))
+		return PTR_ERR(kbuf);
+	ctx_name = kmalloc(count + 1, GFP_KERNEL);
+	if (!ctx_name) {
+		kfree(kbuf);
+		return -ENOMEM;
+	}
+
+	/* Trim white space */
+	if (sscanf(kbuf, "%s", ctx_name) != 1) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	mutex_lock(&damon_dbgfs_lock);
+	ret = dbgfs_mk_context(ctx_name);
+	if (!ret)
+		ret = count;
+	mutex_unlock(&damon_dbgfs_lock);
+
+out:
+	kfree(kbuf);
+	kfree(ctx_name);
+	return ret;
+}
+
+/*
+ * Remove a context of @name and its debugfs directory.
+ *
+ * This function should be called while holding damon_dbgfs_lock.
+ *
+ * Return 0 on success, negative error code otherwise.
+ */
+static int dbgfs_rm_context(char *name)
+{
+	struct dentry *root, *dir, **new_dirs;
+	struct inode *inode;
+	struct damon_ctx **new_ctxs;
+	int i, j;
+	int ret = 0;
+
+	if (damon_nr_running_ctxs())
+		return -EBUSY;
+
+	root = dbgfs_dirs[0];
+	if (!root)
+		return -ENOENT;
+
+	dir = debugfs_lookup(name, root);
+	if (!dir)
+		return -ENOENT;
+
+	inode = d_inode(dir);
+	if (!S_ISDIR(inode->i_mode)) {
+		ret = -EINVAL;
+		goto out_dput;
+	}
+
+	new_dirs = kmalloc_array(dbgfs_nr_ctxs - 1, sizeof(*dbgfs_dirs),
+			GFP_KERNEL);
+	if (!new_dirs) {
+		ret = -ENOMEM;
+		goto out_dput;
+	}
+
+	new_ctxs = kmalloc_array(dbgfs_nr_ctxs - 1, sizeof(*dbgfs_ctxs),
+			GFP_KERNEL);
+	if (!new_ctxs) {
+		ret = -ENOMEM;
+		goto out_new_dirs;
+	}
+
+	for (i = 0, j = 0; i < dbgfs_nr_ctxs; i++) {
+		if (dbgfs_dirs[i] == dir) {
+			debugfs_remove(dbgfs_dirs[i]);
+			dbgfs_destroy_ctx(dbgfs_ctxs[i]);
+			continue;
+		}
+		new_dirs[j] = dbgfs_dirs[i];
+		new_ctxs[j++] = dbgfs_ctxs[i];
+	}
+
+	kfree(dbgfs_dirs);
+	kfree(dbgfs_ctxs);
+
+	dbgfs_dirs = new_dirs;
+	dbgfs_ctxs = new_ctxs;
+	dbgfs_nr_ctxs--;
+
+	goto out_dput;
+
+out_new_dirs:
+	kfree(new_dirs);
+out_dput:
+	dput(dir);
+	return ret;
+}
+
+static ssize_t dbgfs_rm_context_write(struct file *file,
+		const char __user *buf, size_t count, loff_t *ppos)
+{
+	char *kbuf;
+	ssize_t ret;
+	char *ctx_name;
+
+	kbuf = user_input_str(buf, count, ppos);
+	if (IS_ERR(kbuf))
+		return PTR_ERR(kbuf);
+	ctx_name = kmalloc(count + 1, GFP_KERNEL);
+	if (!ctx_name) {
+		kfree(kbuf);
+		return -ENOMEM;
+	}
+
+	/* Trim white space */
+	if (sscanf(kbuf, "%s", ctx_name) != 1) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	mutex_lock(&damon_dbgfs_lock);
+	ret = dbgfs_rm_context(ctx_name);
+	if (!ret)
+		ret = count;
+	mutex_unlock(&damon_dbgfs_lock);
+
+out:
+	kfree(kbuf);
+	kfree(ctx_name);
+	return ret;
+}
+
+static ssize_t dbgfs_monitor_on_read(struct file *file,
+		char __user *buf, size_t count, loff_t *ppos)
+{
+	char monitor_on_buf[5];
+	bool monitor_on = damon_nr_running_ctxs() != 0;
+	int len;
+
+	len = scnprintf(monitor_on_buf, 5, monitor_on ? "on\n" : "off\n");
+
+	return simple_read_from_buffer(buf, count, ppos, monitor_on_buf, len);
+}
+
+static ssize_t dbgfs_monitor_on_write(struct file *file,
+		const char __user *buf, size_t count, loff_t *ppos)
+{
+	ssize_t ret;
+	char *kbuf;
+
+	kbuf = user_input_str(buf, count, ppos);
+	if (IS_ERR(kbuf))
+		return PTR_ERR(kbuf);
+
+	/* Remove white space */
+	if (sscanf(kbuf, "%s", kbuf) != 1) {
+		kfree(kbuf);
+		return -EINVAL;
+	}
+
+	mutex_lock(&damon_dbgfs_lock);
+	if (!strncmp(kbuf, "on", count)) {
+		int i;
+
+		for (i = 0; i < dbgfs_nr_ctxs; i++) {
+			if (damon_targets_empty(dbgfs_ctxs[i])) {
+				kfree(kbuf);
+				mutex_unlock(&damon_dbgfs_lock);
+				return -EINVAL;
+			}
+		}
+		ret = damon_start(dbgfs_ctxs, dbgfs_nr_ctxs);
+	} else if (!strncmp(kbuf, "off", count)) {
+		ret = damon_stop(dbgfs_ctxs, dbgfs_nr_ctxs);
+	} else {
+		ret = -EINVAL;
+	}
+	mutex_unlock(&damon_dbgfs_lock);
+
+	if (!ret)
+		ret = count;
+	kfree(kbuf);
+	return ret;
+}
+
+static const struct file_operations mk_contexts_fops = {
+	.write = dbgfs_mk_context_write,
+};
+
+static const struct file_operations rm_contexts_fops = {
+	.write = dbgfs_rm_context_write,
+};
+
+static const struct file_operations monitor_on_fops = {
+	.read = dbgfs_monitor_on_read,
+	.write = dbgfs_monitor_on_write,
+};
+
+static int __init __damon_dbgfs_init(void)
+{
+	struct dentry *dbgfs_root;
+	const char * const file_names[] = {"mk_contexts", "rm_contexts",
+		"monitor_on"};
+	const struct file_operations *fops[] = {&mk_contexts_fops,
+		&rm_contexts_fops, &monitor_on_fops};
+	int i;
+
+	dbgfs_root = debugfs_create_dir("damon", NULL);
+
+	for (i = 0; i < ARRAY_SIZE(file_names); i++)
+		debugfs_create_file(file_names[i], 0600, dbgfs_root, NULL,
+				fops[i]);
+	dbgfs_fill_ctx_dir(dbgfs_root, dbgfs_ctxs[0]);
+
+	dbgfs_dirs = kmalloc_array(1, sizeof(dbgfs_root), GFP_KERNEL);
+	if (!dbgfs_dirs) {
+		debugfs_remove(dbgfs_root);
+		return -ENOMEM;
+	}
+	dbgfs_dirs[0] = dbgfs_root;
+
+	return 0;
+}
+
+/*
+ * Functions for the initialization
+ */
+
+static int __init damon_dbgfs_init(void)
+{
+	int rc = -ENOMEM;
+
+	mutex_lock(&damon_dbgfs_lock);
+	dbgfs_ctxs = kmalloc(sizeof(*dbgfs_ctxs), GFP_KERNEL);
+	if (!dbgfs_ctxs)
+		goto out;
+	dbgfs_ctxs[0] = dbgfs_new_ctx();
+	if (!dbgfs_ctxs[0]) {
+		kfree(dbgfs_ctxs);
+		goto out;
+	}
+	dbgfs_nr_ctxs = 1;
+
+	rc = __damon_dbgfs_init();
+	if (rc) {
+		kfree(dbgfs_ctxs[0]);
+		kfree(dbgfs_ctxs);
+		pr_err("%s: dbgfs init failed\n", __func__);
+	}
+
+out:
+	mutex_unlock(&damon_dbgfs_lock);
+	return rc;
+}
+
+module_init(damon_dbgfs_init);
+
+#include "dbgfs-test.h"
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
new file mode 100644
index 0000000..5e8244f
--- /dev/null
+++ b/mm/damon/paddr.c
@@ -0,0 +1,275 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DAMON Primitives for The Physical Address Space
+ *
+ * Author: SeongJae Park <sj@kernel.org>
+ */
+
+#define pr_fmt(fmt) "damon-pa: " fmt
+
+#include <linux/mmu_notifier.h>
+#include <linux/page_idle.h>
+#include <linux/pagemap.h>
+#include <linux/rmap.h>
+#include <linux/swap.h>
+
+#include "../internal.h"
+#include "prmtv-common.h"
+
+static bool __damon_pa_mkold(struct page *page, struct vm_area_struct *vma,
+		unsigned long addr, void *arg)
+{
+	struct page_vma_mapped_walk pvmw = {
+		.page = page,
+		.vma = vma,
+		.address = addr,
+	};
+
+	while (page_vma_mapped_walk(&pvmw)) {
+		addr = pvmw.address;
+		if (pvmw.pte)
+			damon_ptep_mkold(pvmw.pte, vma->vm_mm, addr);
+		else
+			damon_pmdp_mkold(pvmw.pmd, vma->vm_mm, addr);
+	}
+	return true;
+}
+
+static void damon_pa_mkold(unsigned long paddr)
+{
+	struct page *page = damon_get_page(PHYS_PFN(paddr));
+	struct rmap_walk_control rwc = {
+		.rmap_one = __damon_pa_mkold,
+		.anon_lock = page_lock_anon_vma_read,
+	};
+	bool need_lock;
+
+	if (!page)
+		return;
+
+	if (!page_mapped(page) || !page_rmapping(page)) {
+		set_page_idle(page);
+		goto out;
+	}
+
+	need_lock = !PageAnon(page) || PageKsm(page);
+	if (need_lock && !trylock_page(page))
+		goto out;
+
+	rmap_walk(page, &rwc);
+
+	if (need_lock)
+		unlock_page(page);
+
+out:
+	put_page(page);
+}
+
+static void __damon_pa_prepare_access_check(struct damon_ctx *ctx,
+					    struct damon_region *r)
+{
+	r->sampling_addr = damon_rand(r->ar.start, r->ar.end);
+
+	damon_pa_mkold(r->sampling_addr);
+}
+
+static void damon_pa_prepare_access_checks(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+	struct damon_region *r;
+
+	damon_for_each_target(t, ctx) {
+		damon_for_each_region(r, t)
+			__damon_pa_prepare_access_check(ctx, r);
+	}
+}
+
+struct damon_pa_access_chk_result {
+	unsigned long page_sz;
+	bool accessed;
+};
+
+static bool __damon_pa_young(struct page *page, struct vm_area_struct *vma,
+		unsigned long addr, void *arg)
+{
+	struct damon_pa_access_chk_result *result = arg;
+	struct page_vma_mapped_walk pvmw = {
+		.page = page,
+		.vma = vma,
+		.address = addr,
+	};
+
+	result->accessed = false;
+	result->page_sz = PAGE_SIZE;
+	while (page_vma_mapped_walk(&pvmw)) {
+		addr = pvmw.address;
+		if (pvmw.pte) {
+			result->accessed = pte_young(*pvmw.pte) ||
+				!page_is_idle(page) ||
+				mmu_notifier_test_young(vma->vm_mm, addr);
+		} else {
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+			result->accessed = pmd_young(*pvmw.pmd) ||
+				!page_is_idle(page) ||
+				mmu_notifier_test_young(vma->vm_mm, addr);
+			result->page_sz = ((1UL) << HPAGE_PMD_SHIFT);
+#else
+			WARN_ON_ONCE(1);
+#endif	/* CONFIG_TRANSPARENT_HUGEPAGE */
+		}
+		if (result->accessed) {
+			page_vma_mapped_walk_done(&pvmw);
+			break;
+		}
+	}
+
+	/* If accessed, stop walking */
+	return !result->accessed;
+}
+
+static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz)
+{
+	struct page *page = damon_get_page(PHYS_PFN(paddr));
+	struct damon_pa_access_chk_result result = {
+		.page_sz = PAGE_SIZE,
+		.accessed = false,
+	};
+	struct rmap_walk_control rwc = {
+		.arg = &result,
+		.rmap_one = __damon_pa_young,
+		.anon_lock = page_lock_anon_vma_read,
+	};
+	bool need_lock;
+
+	if (!page)
+		return false;
+
+	if (!page_mapped(page) || !page_rmapping(page)) {
+		if (page_is_idle(page))
+			result.accessed = false;
+		else
+			result.accessed = true;
+		put_page(page);
+		goto out;
+	}
+
+	need_lock = !PageAnon(page) || PageKsm(page);
+	if (need_lock && !trylock_page(page)) {
+		put_page(page);
+		return NULL;
+	}
+
+	rmap_walk(page, &rwc);
+
+	if (need_lock)
+		unlock_page(page);
+	put_page(page);
+
+out:
+	*page_sz = result.page_sz;
+	return result.accessed;
+}
+
+static void __damon_pa_check_access(struct damon_ctx *ctx,
+				    struct damon_region *r)
+{
+	static unsigned long last_addr;
+	static unsigned long last_page_sz = PAGE_SIZE;
+	static bool last_accessed;
+
+	/* If the region is in the last checked page, reuse the result */
+	if (ALIGN_DOWN(last_addr, last_page_sz) ==
+				ALIGN_DOWN(r->sampling_addr, last_page_sz)) {
+		if (last_accessed)
+			r->nr_accesses++;
+		return;
+	}
+
+	last_accessed = damon_pa_young(r->sampling_addr, &last_page_sz);
+	if (last_accessed)
+		r->nr_accesses++;
+
+	last_addr = r->sampling_addr;
+}
+
+static unsigned int damon_pa_check_accesses(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+	struct damon_region *r;
+	unsigned int max_nr_accesses = 0;
+
+	damon_for_each_target(t, ctx) {
+		damon_for_each_region(r, t) {
+			__damon_pa_check_access(ctx, r);
+			max_nr_accesses = max(r->nr_accesses, max_nr_accesses);
+		}
+	}
+
+	return max_nr_accesses;
+}
+
+bool damon_pa_target_valid(void *t)
+{
+	return true;
+}
+
+static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx,
+		struct damon_target *t, struct damon_region *r,
+		struct damos *scheme)
+{
+	unsigned long addr, applied;
+	LIST_HEAD(page_list);
+
+	if (scheme->action != DAMOS_PAGEOUT)
+		return 0;
+
+	for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) {
+		struct page *page = damon_get_page(PHYS_PFN(addr));
+
+		if (!page)
+			continue;
+
+		ClearPageReferenced(page);
+		test_and_clear_page_young(page);
+		if (isolate_lru_page(page)) {
+			put_page(page);
+			continue;
+		}
+		if (PageUnevictable(page)) {
+			putback_lru_page(page);
+		} else {
+			list_add(&page->lru, &page_list);
+			put_page(page);
+		}
+	}
+	applied = reclaim_pages(&page_list);
+	cond_resched();
+	return applied * PAGE_SIZE;
+}
+
+static int damon_pa_scheme_score(struct damon_ctx *context,
+		struct damon_target *t, struct damon_region *r,
+		struct damos *scheme)
+{
+	switch (scheme->action) {
+	case DAMOS_PAGEOUT:
+		return damon_pageout_score(context, r, scheme);
+	default:
+		break;
+	}
+
+	return DAMOS_MAX_SCORE;
+}
+
+void damon_pa_set_primitives(struct damon_ctx *ctx)
+{
+	ctx->primitive.init = NULL;
+	ctx->primitive.update = NULL;
+	ctx->primitive.prepare_access_checks = damon_pa_prepare_access_checks;
+	ctx->primitive.check_accesses = damon_pa_check_accesses;
+	ctx->primitive.reset_aggregated = NULL;
+	ctx->primitive.target_valid = damon_pa_target_valid;
+	ctx->primitive.cleanup = NULL;
+	ctx->primitive.apply_scheme = damon_pa_apply_scheme;
+	ctx->primitive.get_scheme_score = damon_pa_scheme_score;
+}
diff --git a/mm/damon/prmtv-common.c b/mm/damon/prmtv-common.c
new file mode 100644
index 0000000..92a04f5
--- /dev/null
+++ b/mm/damon/prmtv-common.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common Primitives for Data Access Monitoring
+ *
+ * Author: SeongJae Park <sj@kernel.org>
+ */
+
+#include <linux/mmu_notifier.h>
+#include <linux/page_idle.h>
+#include <linux/pagemap.h>
+#include <linux/rmap.h>
+
+#include "prmtv-common.h"
+
+/*
+ * Get an online page for a pfn if it's in the LRU list.  Otherwise, returns
+ * NULL.
+ *
+ * The body of this function is stolen from the 'page_idle_get_page()'.  We
+ * steal rather than reuse it because the code is quite simple.
+ */
+struct page *damon_get_page(unsigned long pfn)
+{
+	struct page *page = pfn_to_online_page(pfn);
+
+	if (!page || !PageLRU(page) || !get_page_unless_zero(page))
+		return NULL;
+
+	if (unlikely(!PageLRU(page))) {
+		put_page(page);
+		page = NULL;
+	}
+	return page;
+}
+
+void damon_ptep_mkold(pte_t *pte, struct mm_struct *mm, unsigned long addr)
+{
+	bool referenced = false;
+	struct page *page = damon_get_page(pte_pfn(*pte));
+
+	if (!page)
+		return;
+
+	if (pte_young(*pte)) {
+		referenced = true;
+		*pte = pte_mkold(*pte);
+	}
+
+#ifdef CONFIG_MMU_NOTIFIER
+	if (mmu_notifier_clear_young(mm, addr, addr + PAGE_SIZE))
+		referenced = true;
+#endif /* CONFIG_MMU_NOTIFIER */
+
+	if (referenced)
+		set_page_young(page);
+
+	set_page_idle(page);
+	put_page(page);
+}
+
+void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr)
+{
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+	bool referenced = false;
+	struct page *page = damon_get_page(pmd_pfn(*pmd));
+
+	if (!page)
+		return;
+
+	if (pmd_young(*pmd)) {
+		referenced = true;
+		*pmd = pmd_mkold(*pmd);
+	}
+
+#ifdef CONFIG_MMU_NOTIFIER
+	if (mmu_notifier_clear_young(mm, addr,
+				addr + ((1UL) << HPAGE_PMD_SHIFT)))
+		referenced = true;
+#endif /* CONFIG_MMU_NOTIFIER */
+
+	if (referenced)
+		set_page_young(page);
+
+	set_page_idle(page);
+	put_page(page);
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+}
+
+#define DAMON_MAX_SUBSCORE	(100)
+#define DAMON_MAX_AGE_IN_LOG	(32)
+
+int damon_pageout_score(struct damon_ctx *c, struct damon_region *r,
+			struct damos *s)
+{
+	unsigned int max_nr_accesses;
+	int freq_subscore;
+	unsigned int age_in_sec;
+	int age_in_log, age_subscore;
+	unsigned int freq_weight = s->quota.weight_nr_accesses;
+	unsigned int age_weight = s->quota.weight_age;
+	int hotness;
+
+	max_nr_accesses = c->aggr_interval / c->sample_interval;
+	freq_subscore = r->nr_accesses * DAMON_MAX_SUBSCORE / max_nr_accesses;
+
+	age_in_sec = (unsigned long)r->age * c->aggr_interval / 1000000;
+	for (age_in_log = 0; age_in_log < DAMON_MAX_AGE_IN_LOG && age_in_sec;
+			age_in_log++, age_in_sec >>= 1)
+		;
+
+	/* If frequency is 0, higher age means it's colder */
+	if (freq_subscore == 0)
+		age_in_log *= -1;
+
+	/*
+	 * Now age_in_log is in [-DAMON_MAX_AGE_IN_LOG, DAMON_MAX_AGE_IN_LOG].
+	 * Scale it to be in [0, 100] and set it as age subscore.
+	 */
+	age_in_log += DAMON_MAX_AGE_IN_LOG;
+	age_subscore = age_in_log * DAMON_MAX_SUBSCORE /
+		DAMON_MAX_AGE_IN_LOG / 2;
+
+	hotness = (freq_weight * freq_subscore + age_weight * age_subscore);
+	if (freq_weight + age_weight)
+		hotness /= freq_weight + age_weight;
+	/*
+	 * Transform it to fit in [0, DAMOS_MAX_SCORE]
+	 */
+	hotness = hotness * DAMOS_MAX_SCORE / DAMON_MAX_SUBSCORE;
+
+	/* Return coldness of the region */
+	return DAMOS_MAX_SCORE - hotness;
+}
diff --git a/mm/damon/prmtv-common.h b/mm/damon/prmtv-common.h
new file mode 100644
index 0000000..e790cb5
--- /dev/null
+++ b/mm/damon/prmtv-common.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Common Primitives for Data Access Monitoring
+ *
+ * Author: SeongJae Park <sj@kernel.org>
+ */
+
+#include <linux/damon.h>
+
+struct page *damon_get_page(unsigned long pfn);
+
+void damon_ptep_mkold(pte_t *pte, struct mm_struct *mm, unsigned long addr);
+void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr);
+
+int damon_pageout_score(struct damon_ctx *c, struct damon_region *r,
+			struct damos *s);
diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
new file mode 100644
index 0000000..183d4f3
--- /dev/null
+++ b/mm/damon/reclaim.c
@@ -0,0 +1,425 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DAMON-based page reclamation
+ *
+ * Author: SeongJae Park <sj@kernel.org>
+ */
+
+#define pr_fmt(fmt) "damon-reclaim: " fmt
+
+#include <linux/damon.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+
+#ifdef MODULE_PARAM_PREFIX
+#undef MODULE_PARAM_PREFIX
+#endif
+#define MODULE_PARAM_PREFIX "damon_reclaim."
+
+/*
+ * Enable or disable DAMON_RECLAIM.
+ *
+ * You can enable DAMON_RCLAIM by setting the value of this parameter as ``Y``.
+ * Setting it as ``N`` disables DAMON_RECLAIM.  Note that DAMON_RECLAIM could
+ * do no real monitoring and reclamation due to the watermarks-based activation
+ * condition.  Refer to below descriptions for the watermarks parameter for
+ * this.
+ */
+static bool enabled __read_mostly;
+
+/*
+ * Time threshold for cold memory regions identification in microseconds.
+ *
+ * If a memory region is not accessed for this or longer time, DAMON_RECLAIM
+ * identifies the region as cold, and reclaims.  120 seconds by default.
+ */
+static unsigned long min_age __read_mostly = 120000000;
+module_param(min_age, ulong, 0600);
+
+/*
+ * Limit of time for trying the reclamation in milliseconds.
+ *
+ * DAMON_RECLAIM tries to use only up to this time within a time window
+ * (quota_reset_interval_ms) for trying reclamation of cold pages.  This can be
+ * used for limiting CPU consumption of DAMON_RECLAIM.  If the value is zero,
+ * the limit is disabled.
+ *
+ * 10 ms by default.
+ */
+static unsigned long quota_ms __read_mostly = 10;
+module_param(quota_ms, ulong, 0600);
+
+/*
+ * Limit of size of memory for the reclamation in bytes.
+ *
+ * DAMON_RECLAIM charges amount of memory which it tried to reclaim within a
+ * time window (quota_reset_interval_ms) and makes no more than this limit is
+ * tried.  This can be used for limiting consumption of CPU and IO.  If this
+ * value is zero, the limit is disabled.
+ *
+ * 128 MiB by default.
+ */
+static unsigned long quota_sz __read_mostly = 128 * 1024 * 1024;
+module_param(quota_sz, ulong, 0600);
+
+/*
+ * The time/size quota charge reset interval in milliseconds.
+ *
+ * The charge reset interval for the quota of time (quota_ms) and size
+ * (quota_sz).  That is, DAMON_RECLAIM does not try reclamation for more than
+ * quota_ms milliseconds or quota_sz bytes within quota_reset_interval_ms
+ * milliseconds.
+ *
+ * 1 second by default.
+ */
+static unsigned long quota_reset_interval_ms __read_mostly = 1000;
+module_param(quota_reset_interval_ms, ulong, 0600);
+
+/*
+ * The watermarks check time interval in microseconds.
+ *
+ * Minimal time to wait before checking the watermarks, when DAMON_RECLAIM is
+ * enabled but inactive due to its watermarks rule.  5 seconds by default.
+ */
+static unsigned long wmarks_interval __read_mostly = 5000000;
+module_param(wmarks_interval, ulong, 0600);
+
+/*
+ * Free memory rate (per thousand) for the high watermark.
+ *
+ * If free memory of the system in bytes per thousand bytes is higher than
+ * this, DAMON_RECLAIM becomes inactive, so it does nothing but periodically
+ * checks the watermarks.  500 (50%) by default.
+ */
+static unsigned long wmarks_high __read_mostly = 500;
+module_param(wmarks_high, ulong, 0600);
+
+/*
+ * Free memory rate (per thousand) for the middle watermark.
+ *
+ * If free memory of the system in bytes per thousand bytes is between this and
+ * the low watermark, DAMON_RECLAIM becomes active, so starts the monitoring
+ * and the reclaiming.  400 (40%) by default.
+ */
+static unsigned long wmarks_mid __read_mostly = 400;
+module_param(wmarks_mid, ulong, 0600);
+
+/*
+ * Free memory rate (per thousand) for the low watermark.
+ *
+ * If free memory of the system in bytes per thousand bytes is lower than this,
+ * DAMON_RECLAIM becomes inactive, so it does nothing but periodically checks
+ * the watermarks.  In the case, the system falls back to the LRU-based page
+ * granularity reclamation logic.  200 (20%) by default.
+ */
+static unsigned long wmarks_low __read_mostly = 200;
+module_param(wmarks_low, ulong, 0600);
+
+/*
+ * Sampling interval for the monitoring in microseconds.
+ *
+ * The sampling interval of DAMON for the cold memory monitoring.  Please refer
+ * to the DAMON documentation for more detail.  5 ms by default.
+ */
+static unsigned long sample_interval __read_mostly = 5000;
+module_param(sample_interval, ulong, 0600);
+
+/*
+ * Aggregation interval for the monitoring in microseconds.
+ *
+ * The aggregation interval of DAMON for the cold memory monitoring.  Please
+ * refer to the DAMON documentation for more detail.  100 ms by default.
+ */
+static unsigned long aggr_interval __read_mostly = 100000;
+module_param(aggr_interval, ulong, 0600);
+
+/*
+ * Minimum number of monitoring regions.
+ *
+ * The minimal number of monitoring regions of DAMON for the cold memory
+ * monitoring.  This can be used to set lower-bound of the monitoring quality.
+ * But, setting this too high could result in increased monitoring overhead.
+ * Please refer to the DAMON documentation for more detail.  10 by default.
+ */
+static unsigned long min_nr_regions __read_mostly = 10;
+module_param(min_nr_regions, ulong, 0600);
+
+/*
+ * Maximum number of monitoring regions.
+ *
+ * The maximum number of monitoring regions of DAMON for the cold memory
+ * monitoring.  This can be used to set upper-bound of the monitoring overhead.
+ * However, setting this too low could result in bad monitoring quality.
+ * Please refer to the DAMON documentation for more detail.  1000 by default.
+ */
+static unsigned long max_nr_regions __read_mostly = 1000;
+module_param(max_nr_regions, ulong, 0600);
+
+/*
+ * Start of the target memory region in physical address.
+ *
+ * The start physical address of memory region that DAMON_RECLAIM will do work
+ * against.  By default, biggest System RAM is used as the region.
+ */
+static unsigned long monitor_region_start __read_mostly;
+module_param(monitor_region_start, ulong, 0600);
+
+/*
+ * End of the target memory region in physical address.
+ *
+ * The end physical address of memory region that DAMON_RECLAIM will do work
+ * against.  By default, biggest System RAM is used as the region.
+ */
+static unsigned long monitor_region_end __read_mostly;
+module_param(monitor_region_end, ulong, 0600);
+
+/*
+ * PID of the DAMON thread
+ *
+ * If DAMON_RECLAIM is enabled, this becomes the PID of the worker thread.
+ * Else, -1.
+ */
+static int kdamond_pid __read_mostly = -1;
+module_param(kdamond_pid, int, 0400);
+
+/*
+ * Number of memory regions that tried to be reclaimed.
+ */
+static unsigned long nr_reclaim_tried_regions __read_mostly;
+module_param(nr_reclaim_tried_regions, ulong, 0400);
+
+/*
+ * Total bytes of memory regions that tried to be reclaimed.
+ */
+static unsigned long bytes_reclaim_tried_regions __read_mostly;
+module_param(bytes_reclaim_tried_regions, ulong, 0400);
+
+/*
+ * Number of memory regions that successfully be reclaimed.
+ */
+static unsigned long nr_reclaimed_regions __read_mostly;
+module_param(nr_reclaimed_regions, ulong, 0400);
+
+/*
+ * Total bytes of memory regions that successfully be reclaimed.
+ */
+static unsigned long bytes_reclaimed_regions __read_mostly;
+module_param(bytes_reclaimed_regions, ulong, 0400);
+
+/*
+ * Number of times that the time/space quota limits have exceeded
+ */
+static unsigned long nr_quota_exceeds __read_mostly;
+module_param(nr_quota_exceeds, ulong, 0400);
+
+static struct damon_ctx *ctx;
+static struct damon_target *target;
+
+struct damon_reclaim_ram_walk_arg {
+	unsigned long start;
+	unsigned long end;
+};
+
+static int walk_system_ram(struct resource *res, void *arg)
+{
+	struct damon_reclaim_ram_walk_arg *a = arg;
+
+	if (a->end - a->start < res->end - res->start) {
+		a->start = res->start;
+		a->end = res->end;
+	}
+	return 0;
+}
+
+/*
+ * Find biggest 'System RAM' resource and store its start and end address in
+ * @start and @end, respectively.  If no System RAM is found, returns false.
+ */
+static bool get_monitoring_region(unsigned long *start, unsigned long *end)
+{
+	struct damon_reclaim_ram_walk_arg arg = {};
+
+	walk_system_ram_res(0, ULONG_MAX, &arg, walk_system_ram);
+	if (arg.end <= arg.start)
+		return false;
+
+	*start = arg.start;
+	*end = arg.end;
+	return true;
+}
+
+static struct damos *damon_reclaim_new_scheme(void)
+{
+	struct damos_watermarks wmarks = {
+		.metric = DAMOS_WMARK_FREE_MEM_RATE,
+		.interval = wmarks_interval,
+		.high = wmarks_high,
+		.mid = wmarks_mid,
+		.low = wmarks_low,
+	};
+	struct damos_quota quota = {
+		/*
+		 * Do not try reclamation for more than quota_ms milliseconds
+		 * or quota_sz bytes within quota_reset_interval_ms.
+		 */
+		.ms = quota_ms,
+		.sz = quota_sz,
+		.reset_interval = quota_reset_interval_ms,
+		/* Within the quota, page out older regions first. */
+		.weight_sz = 0,
+		.weight_nr_accesses = 0,
+		.weight_age = 1
+	};
+	struct damos *scheme = damon_new_scheme(
+			/* Find regions having PAGE_SIZE or larger size */
+			PAGE_SIZE, ULONG_MAX,
+			/* and not accessed at all */
+			0, 0,
+			/* for min_age or more micro-seconds, and */
+			min_age / aggr_interval, UINT_MAX,
+			/* page out those, as soon as found */
+			DAMOS_PAGEOUT,
+			/* under the quota. */
+			&quota,
+			/* (De)activate this according to the watermarks. */
+			&wmarks);
+
+	return scheme;
+}
+
+static int damon_reclaim_turn(bool on)
+{
+	struct damon_region *region;
+	struct damos *scheme;
+	int err;
+
+	if (!on) {
+		err = damon_stop(&ctx, 1);
+		if (!err)
+			kdamond_pid = -1;
+		return err;
+	}
+
+	err = damon_set_attrs(ctx, sample_interval, aggr_interval, 0,
+			min_nr_regions, max_nr_regions);
+	if (err)
+		return err;
+
+	if (monitor_region_start > monitor_region_end)
+		return -EINVAL;
+	if (!monitor_region_start && !monitor_region_end &&
+			!get_monitoring_region(&monitor_region_start,
+				&monitor_region_end))
+		return -EINVAL;
+	/* DAMON will free this on its own when finish monitoring */
+	region = damon_new_region(monitor_region_start, monitor_region_end);
+	if (!region)
+		return -ENOMEM;
+	damon_add_region(region, target);
+
+	/* Will be freed by 'damon_set_schemes()' below */
+	scheme = damon_reclaim_new_scheme();
+	if (!scheme) {
+		err = -ENOMEM;
+		goto free_region_out;
+	}
+	err = damon_set_schemes(ctx, &scheme, 1);
+	if (err)
+		goto free_scheme_out;
+
+	err = damon_start(&ctx, 1);
+	if (!err) {
+		kdamond_pid = ctx->kdamond->pid;
+		return 0;
+	}
+
+free_scheme_out:
+	damon_destroy_scheme(scheme);
+free_region_out:
+	damon_destroy_region(region, target);
+	return err;
+}
+
+#define ENABLE_CHECK_INTERVAL_MS	1000
+static struct delayed_work damon_reclaim_timer;
+static void damon_reclaim_timer_fn(struct work_struct *work)
+{
+	static bool last_enabled;
+	bool now_enabled;
+
+	now_enabled = enabled;
+	if (last_enabled != now_enabled) {
+		if (!damon_reclaim_turn(now_enabled))
+			last_enabled = now_enabled;
+		else
+			enabled = last_enabled;
+	}
+
+	if (enabled)
+		schedule_delayed_work(&damon_reclaim_timer,
+			msecs_to_jiffies(ENABLE_CHECK_INTERVAL_MS));
+}
+static DECLARE_DELAYED_WORK(damon_reclaim_timer, damon_reclaim_timer_fn);
+
+static int enabled_store(const char *val,
+		const struct kernel_param *kp)
+{
+	int rc = param_set_bool(val, kp);
+
+	if (rc < 0)
+		return rc;
+
+	if (enabled)
+		schedule_delayed_work(&damon_reclaim_timer, 0);
+
+	return 0;
+}
+
+static const struct kernel_param_ops enabled_param_ops = {
+	.set = enabled_store,
+	.get = param_get_bool,
+};
+
+module_param_cb(enabled, &enabled_param_ops, &enabled, 0600);
+MODULE_PARM_DESC(enabled,
+        "Enable or disable DAMON_RECLAIM (default: disabled)");
+
+static int damon_reclaim_after_aggregation(struct damon_ctx *c)
+{
+	struct damos *s;
+
+	/* update the stats parameter */
+	damon_for_each_scheme(s, c) {
+		nr_reclaim_tried_regions = s->stat.nr_tried;
+		bytes_reclaim_tried_regions = s->stat.sz_tried;
+		nr_reclaimed_regions = s->stat.nr_applied;
+		bytes_reclaimed_regions = s->stat.sz_applied;
+		nr_quota_exceeds = s->stat.qt_exceeds;
+	}
+	return 0;
+}
+
+static int __init damon_reclaim_init(void)
+{
+	ctx = damon_new_ctx();
+	if (!ctx)
+		return -ENOMEM;
+
+	damon_pa_set_primitives(ctx);
+	ctx->callback.after_aggregation = damon_reclaim_after_aggregation;
+
+	/* 4242 means nothing but fun */
+	target = damon_new_target(4242);
+	if (!target) {
+		damon_destroy_ctx(ctx);
+		return -ENOMEM;
+	}
+	damon_add_target(ctx, target);
+
+	schedule_delayed_work(&damon_reclaim_timer, 0);
+	return 0;
+}
+
+module_init(damon_reclaim_init);
diff --git a/mm/damon/vaddr-test.h b/mm/damon/vaddr-test.h
new file mode 100644
index 0000000..6a1b9272
--- /dev/null
+++ b/mm/damon/vaddr-test.h
@@ -0,0 +1,324 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Data Access Monitor Unit Tests
+ *
+ * Copyright 2019 Amazon.com, Inc. or its affiliates.  All rights reserved.
+ *
+ * Author: SeongJae Park <sjpark@amazon.de>
+ */
+
+#ifdef CONFIG_DAMON_VADDR_KUNIT_TEST
+
+#ifndef _DAMON_VADDR_TEST_H
+#define _DAMON_VADDR_TEST_H
+
+#include <kunit/test.h>
+
+static void __link_vmas(struct vm_area_struct *vmas, ssize_t nr_vmas)
+{
+	int i, j;
+	unsigned long largest_gap, gap;
+
+	if (!nr_vmas)
+		return;
+
+	for (i = 0; i < nr_vmas - 1; i++) {
+		vmas[i].vm_next = &vmas[i + 1];
+
+		vmas[i].vm_rb.rb_left = NULL;
+		vmas[i].vm_rb.rb_right = &vmas[i + 1].vm_rb;
+
+		largest_gap = 0;
+		for (j = i; j < nr_vmas; j++) {
+			if (j == 0)
+				continue;
+			gap = vmas[j].vm_start - vmas[j - 1].vm_end;
+			if (gap > largest_gap)
+				largest_gap = gap;
+		}
+		vmas[i].rb_subtree_gap = largest_gap;
+	}
+	vmas[i].vm_next = NULL;
+	vmas[i].vm_rb.rb_right = NULL;
+	vmas[i].rb_subtree_gap = 0;
+}
+
+/*
+ * Test __damon_va_three_regions() function
+ *
+ * In case of virtual memory address spaces monitoring, DAMON converts the
+ * complex and dynamic memory mappings of each target task to three
+ * discontiguous regions which cover every mapped areas.  However, the three
+ * regions should not include the two biggest unmapped areas in the original
+ * mapping, because the two biggest areas are normally the areas between 1)
+ * heap and the mmap()-ed regions, and 2) the mmap()-ed regions and stack.
+ * Because these two unmapped areas are very huge but obviously never accessed,
+ * covering the region is just a waste.
+ *
+ * '__damon_va_three_regions() receives an address space of a process.  It
+ * first identifies the start of mappings, end of mappings, and the two biggest
+ * unmapped areas.  After that, based on the information, it constructs the
+ * three regions and returns.  For more detail, refer to the comment of
+ * 'damon_init_regions_of()' function definition in 'mm/damon.c' file.
+ *
+ * For example, suppose virtual address ranges of 10-20, 20-25, 200-210,
+ * 210-220, 300-305, and 307-330 (Other comments represent this mappings in
+ * more short form: 10-20-25, 200-210-220, 300-305, 307-330) of a process are
+ * mapped.  To cover every mappings, the three regions should start with 10,
+ * and end with 305.  The process also has three unmapped areas, 25-200,
+ * 220-300, and 305-307.  Among those, 25-200 and 220-300 are the biggest two
+ * unmapped areas, and thus it should be converted to three regions of 10-25,
+ * 200-220, and 300-330.
+ */
+static void damon_test_three_regions_in_vmas(struct kunit *test)
+{
+	struct damon_addr_range regions[3] = {0,};
+	/* 10-20-25, 200-210-220, 300-305, 307-330 */
+	struct vm_area_struct vmas[] = {
+		(struct vm_area_struct) {.vm_start = 10, .vm_end = 20},
+		(struct vm_area_struct) {.vm_start = 20, .vm_end = 25},
+		(struct vm_area_struct) {.vm_start = 200, .vm_end = 210},
+		(struct vm_area_struct) {.vm_start = 210, .vm_end = 220},
+		(struct vm_area_struct) {.vm_start = 300, .vm_end = 305},
+		(struct vm_area_struct) {.vm_start = 307, .vm_end = 330},
+	};
+
+	__link_vmas(vmas, 6);
+
+	__damon_va_three_regions(&vmas[0], regions);
+
+	KUNIT_EXPECT_EQ(test, 10ul, regions[0].start);
+	KUNIT_EXPECT_EQ(test, 25ul, regions[0].end);
+	KUNIT_EXPECT_EQ(test, 200ul, regions[1].start);
+	KUNIT_EXPECT_EQ(test, 220ul, regions[1].end);
+	KUNIT_EXPECT_EQ(test, 300ul, regions[2].start);
+	KUNIT_EXPECT_EQ(test, 330ul, regions[2].end);
+}
+
+static struct damon_region *__nth_region_of(struct damon_target *t, int idx)
+{
+	struct damon_region *r;
+	unsigned int i = 0;
+
+	damon_for_each_region(r, t) {
+		if (i++ == idx)
+			return r;
+	}
+
+	return NULL;
+}
+
+/*
+ * Test 'damon_va_apply_three_regions()'
+ *
+ * test			kunit object
+ * regions		an array containing start/end addresses of current
+ *			monitoring target regions
+ * nr_regions		the number of the addresses in 'regions'
+ * three_regions	The three regions that need to be applied now
+ * expected		start/end addresses of monitoring target regions that
+ *			'three_regions' are applied
+ * nr_expected		the number of addresses in 'expected'
+ *
+ * The memory mapping of the target processes changes dynamically.  To follow
+ * the change, DAMON periodically reads the mappings, simplifies it to the
+ * three regions, and updates the monitoring target regions to fit in the three
+ * regions.  The update of current target regions is the role of
+ * 'damon_va_apply_three_regions()'.
+ *
+ * This test passes the given target regions and the new three regions that
+ * need to be applied to the function and check whether it updates the regions
+ * as expected.
+ */
+static void damon_do_test_apply_three_regions(struct kunit *test,
+				unsigned long *regions, int nr_regions,
+				struct damon_addr_range *three_regions,
+				unsigned long *expected, int nr_expected)
+{
+	struct damon_target *t;
+	struct damon_region *r;
+	int i;
+
+	t = damon_new_target(42);
+	for (i = 0; i < nr_regions / 2; i++) {
+		r = damon_new_region(regions[i * 2], regions[i * 2 + 1]);
+		damon_add_region(r, t);
+	}
+
+	damon_va_apply_three_regions(t, three_regions);
+
+	for (i = 0; i < nr_expected / 2; i++) {
+		r = __nth_region_of(t, i);
+		KUNIT_EXPECT_EQ(test, r->ar.start, expected[i * 2]);
+		KUNIT_EXPECT_EQ(test, r->ar.end, expected[i * 2 + 1]);
+	}
+}
+
+/*
+ * This function test most common case where the three big regions are only
+ * slightly changed.  Target regions should adjust their boundary (10-20-30,
+ * 50-55, 70-80, 90-100) to fit with the new big regions or remove target
+ * regions (57-79) that now out of the three regions.
+ */
+static void damon_test_apply_three_regions1(struct kunit *test)
+{
+	/* 10-20-30, 50-55-57-59, 70-80-90-100 */
+	unsigned long regions[] = {10, 20, 20, 30, 50, 55, 55, 57, 57, 59,
+				70, 80, 80, 90, 90, 100};
+	/* 5-27, 45-55, 73-104 */
+	struct damon_addr_range new_three_regions[3] = {
+		(struct damon_addr_range){.start = 5, .end = 27},
+		(struct damon_addr_range){.start = 45, .end = 55},
+		(struct damon_addr_range){.start = 73, .end = 104} };
+	/* 5-20-27, 45-55, 73-80-90-104 */
+	unsigned long expected[] = {5, 20, 20, 27, 45, 55,
+				73, 80, 80, 90, 90, 104};
+
+	damon_do_test_apply_three_regions(test, regions, ARRAY_SIZE(regions),
+			new_three_regions, expected, ARRAY_SIZE(expected));
+}
+
+/*
+ * Test slightly bigger change.  Similar to above, but the second big region
+ * now require two target regions (50-55, 57-59) to be removed.
+ */
+static void damon_test_apply_three_regions2(struct kunit *test)
+{
+	/* 10-20-30, 50-55-57-59, 70-80-90-100 */
+	unsigned long regions[] = {10, 20, 20, 30, 50, 55, 55, 57, 57, 59,
+				70, 80, 80, 90, 90, 100};
+	/* 5-27, 56-57, 65-104 */
+	struct damon_addr_range new_three_regions[3] = {
+		(struct damon_addr_range){.start = 5, .end = 27},
+		(struct damon_addr_range){.start = 56, .end = 57},
+		(struct damon_addr_range){.start = 65, .end = 104} };
+	/* 5-20-27, 56-57, 65-80-90-104 */
+	unsigned long expected[] = {5, 20, 20, 27, 56, 57,
+				65, 80, 80, 90, 90, 104};
+
+	damon_do_test_apply_three_regions(test, regions, ARRAY_SIZE(regions),
+			new_three_regions, expected, ARRAY_SIZE(expected));
+}
+
+/*
+ * Test a big change.  The second big region has totally freed and mapped to
+ * different area (50-59 -> 61-63).  The target regions which were in the old
+ * second big region (50-55-57-59) should be removed and new target region
+ * covering the second big region (61-63) should be created.
+ */
+static void damon_test_apply_three_regions3(struct kunit *test)
+{
+	/* 10-20-30, 50-55-57-59, 70-80-90-100 */
+	unsigned long regions[] = {10, 20, 20, 30, 50, 55, 55, 57, 57, 59,
+				70, 80, 80, 90, 90, 100};
+	/* 5-27, 61-63, 65-104 */
+	struct damon_addr_range new_three_regions[3] = {
+		(struct damon_addr_range){.start = 5, .end = 27},
+		(struct damon_addr_range){.start = 61, .end = 63},
+		(struct damon_addr_range){.start = 65, .end = 104} };
+	/* 5-20-27, 61-63, 65-80-90-104 */
+	unsigned long expected[] = {5, 20, 20, 27, 61, 63,
+				65, 80, 80, 90, 90, 104};
+
+	damon_do_test_apply_three_regions(test, regions, ARRAY_SIZE(regions),
+			new_three_regions, expected, ARRAY_SIZE(expected));
+}
+
+/*
+ * Test another big change.  Both of the second and third big regions (50-59
+ * and 70-100) has totally freed and mapped to different area (30-32 and
+ * 65-68).  The target regions which were in the old second and third big
+ * regions should now be removed and new target regions covering the new second
+ * and third big regions should be created.
+ */
+static void damon_test_apply_three_regions4(struct kunit *test)
+{
+	/* 10-20-30, 50-55-57-59, 70-80-90-100 */
+	unsigned long regions[] = {10, 20, 20, 30, 50, 55, 55, 57, 57, 59,
+				70, 80, 80, 90, 90, 100};
+	/* 5-7, 30-32, 65-68 */
+	struct damon_addr_range new_three_regions[3] = {
+		(struct damon_addr_range){.start = 5, .end = 7},
+		(struct damon_addr_range){.start = 30, .end = 32},
+		(struct damon_addr_range){.start = 65, .end = 68} };
+	/* expect 5-7, 30-32, 65-68 */
+	unsigned long expected[] = {5, 7, 30, 32, 65, 68};
+
+	damon_do_test_apply_three_regions(test, regions, ARRAY_SIZE(regions),
+			new_three_regions, expected, ARRAY_SIZE(expected));
+}
+
+static void damon_test_split_evenly_fail(struct kunit *test,
+		unsigned long start, unsigned long end, unsigned int nr_pieces)
+{
+	struct damon_target *t = damon_new_target(42);
+	struct damon_region *r = damon_new_region(start, end);
+
+	damon_add_region(r, t);
+	KUNIT_EXPECT_EQ(test,
+			damon_va_evenly_split_region(t, r, nr_pieces), -EINVAL);
+	KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 1u);
+
+	damon_for_each_region(r, t) {
+		KUNIT_EXPECT_EQ(test, r->ar.start, start);
+		KUNIT_EXPECT_EQ(test, r->ar.end, end);
+	}
+
+	damon_free_target(t);
+}
+
+static void damon_test_split_evenly_succ(struct kunit *test,
+	unsigned long start, unsigned long end, unsigned int nr_pieces)
+{
+	struct damon_target *t = damon_new_target(42);
+	struct damon_region *r = damon_new_region(start, end);
+	unsigned long expected_width = (end - start) / nr_pieces;
+	unsigned long i = 0;
+
+	damon_add_region(r, t);
+	KUNIT_EXPECT_EQ(test,
+			damon_va_evenly_split_region(t, r, nr_pieces), 0);
+	KUNIT_EXPECT_EQ(test, damon_nr_regions(t), nr_pieces);
+
+	damon_for_each_region(r, t) {
+		if (i == nr_pieces - 1)
+			break;
+		KUNIT_EXPECT_EQ(test,
+				r->ar.start, start + i++ * expected_width);
+		KUNIT_EXPECT_EQ(test, r->ar.end, start + i * expected_width);
+	}
+	KUNIT_EXPECT_EQ(test, r->ar.start, start + i * expected_width);
+	KUNIT_EXPECT_EQ(test, r->ar.end, end);
+	damon_free_target(t);
+}
+
+static void damon_test_split_evenly(struct kunit *test)
+{
+	KUNIT_EXPECT_EQ(test, damon_va_evenly_split_region(NULL, NULL, 5),
+			-EINVAL);
+
+	damon_test_split_evenly_fail(test, 0, 100, 0);
+	damon_test_split_evenly_succ(test, 0, 100, 10);
+	damon_test_split_evenly_succ(test, 5, 59, 5);
+	damon_test_split_evenly_fail(test, 5, 6, 2);
+}
+
+static struct kunit_case damon_test_cases[] = {
+	KUNIT_CASE(damon_test_three_regions_in_vmas),
+	KUNIT_CASE(damon_test_apply_three_regions1),
+	KUNIT_CASE(damon_test_apply_three_regions2),
+	KUNIT_CASE(damon_test_apply_three_regions3),
+	KUNIT_CASE(damon_test_apply_three_regions4),
+	KUNIT_CASE(damon_test_split_evenly),
+	{},
+};
+
+static struct kunit_suite damon_test_suite = {
+	.name = "damon-primitives",
+	.test_cases = damon_test_cases,
+};
+kunit_test_suite(damon_test_suite);
+
+#endif /* _DAMON_VADDR_TEST_H */
+
+#endif	/* CONFIG_DAMON_VADDR_KUNIT_TEST */
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
new file mode 100644
index 0000000..c0dec53
--- /dev/null
+++ b/mm/damon/vaddr.c
@@ -0,0 +1,770 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DAMON Primitives for Virtual Address Spaces
+ *
+ * Author: SeongJae Park <sjpark@amazon.de>
+ */
+
+#define pr_fmt(fmt) "damon-va: " fmt
+
+#include <asm-generic/mman-common.h>
+#include <linux/highmem.h>
+#include <linux/hugetlb.h>
+#include <linux/mmu_notifier.h>
+#include <linux/page_idle.h>
+#include <linux/pagewalk.h>
+#include <linux/sched/mm.h>
+
+#include "prmtv-common.h"
+
+#ifdef CONFIG_DAMON_VADDR_KUNIT_TEST
+#undef DAMON_MIN_REGION
+#define DAMON_MIN_REGION 1
+#endif
+
+/*
+ * 't->id' should be the pointer to the relevant 'struct pid' having reference
+ * count.  Caller must put the returned task, unless it is NULL.
+ */
+static inline struct task_struct *damon_get_task_struct(struct damon_target *t)
+{
+	return get_pid_task((struct pid *)t->id, PIDTYPE_PID);
+}
+
+/*
+ * Get the mm_struct of the given target
+ *
+ * Caller _must_ put the mm_struct after use, unless it is NULL.
+ *
+ * Returns the mm_struct of the target on success, NULL on failure
+ */
+static struct mm_struct *damon_get_mm(struct damon_target *t)
+{
+	struct task_struct *task;
+	struct mm_struct *mm;
+
+	task = damon_get_task_struct(t);
+	if (!task)
+		return NULL;
+
+	mm = get_task_mm(task);
+	put_task_struct(task);
+	return mm;
+}
+
+/*
+ * Functions for the initial monitoring target regions construction
+ */
+
+/*
+ * Size-evenly split a region into 'nr_pieces' small regions
+ *
+ * Returns 0 on success, or negative error code otherwise.
+ */
+static int damon_va_evenly_split_region(struct damon_target *t,
+		struct damon_region *r, unsigned int nr_pieces)
+{
+	unsigned long sz_orig, sz_piece, orig_end;
+	struct damon_region *n = NULL, *next;
+	unsigned long start;
+
+	if (!r || !nr_pieces)
+		return -EINVAL;
+
+	orig_end = r->ar.end;
+	sz_orig = r->ar.end - r->ar.start;
+	sz_piece = ALIGN_DOWN(sz_orig / nr_pieces, DAMON_MIN_REGION);
+
+	if (!sz_piece)
+		return -EINVAL;
+
+	r->ar.end = r->ar.start + sz_piece;
+	next = damon_next_region(r);
+	for (start = r->ar.end; start + sz_piece <= orig_end;
+			start += sz_piece) {
+		n = damon_new_region(start, start + sz_piece);
+		if (!n)
+			return -ENOMEM;
+		damon_insert_region(n, r, next, t);
+		r = n;
+	}
+	/* complement last region for possible rounding error */
+	if (n)
+		n->ar.end = orig_end;
+
+	return 0;
+}
+
+static unsigned long sz_range(struct damon_addr_range *r)
+{
+	return r->end - r->start;
+}
+
+/*
+ * Find three regions separated by two biggest unmapped regions
+ *
+ * vma		the head vma of the target address space
+ * regions	an array of three address ranges that results will be saved
+ *
+ * This function receives an address space and finds three regions in it which
+ * separated by the two biggest unmapped regions in the space.  Please refer to
+ * below comments of '__damon_va_init_regions()' function to know why this is
+ * necessary.
+ *
+ * Returns 0 if success, or negative error code otherwise.
+ */
+static int __damon_va_three_regions(struct vm_area_struct *vma,
+				       struct damon_addr_range regions[3])
+{
+	struct damon_addr_range gap = {0}, first_gap = {0}, second_gap = {0};
+	struct vm_area_struct *last_vma = NULL;
+	unsigned long start = 0;
+	struct rb_root rbroot;
+
+	/* Find two biggest gaps so that first_gap > second_gap > others */
+	for (; vma; vma = vma->vm_next) {
+		if (!last_vma) {
+			start = vma->vm_start;
+			goto next;
+		}
+
+		if (vma->rb_subtree_gap <= sz_range(&second_gap)) {
+			rbroot.rb_node = &vma->vm_rb;
+			vma = rb_entry(rb_last(&rbroot),
+					struct vm_area_struct, vm_rb);
+			goto next;
+		}
+
+		gap.start = last_vma->vm_end;
+		gap.end = vma->vm_start;
+		if (sz_range(&gap) > sz_range(&second_gap)) {
+			swap(gap, second_gap);
+			if (sz_range(&second_gap) > sz_range(&first_gap))
+				swap(second_gap, first_gap);
+		}
+next:
+		last_vma = vma;
+	}
+
+	if (!sz_range(&second_gap) || !sz_range(&first_gap))
+		return -EINVAL;
+
+	/* Sort the two biggest gaps by address */
+	if (first_gap.start > second_gap.start)
+		swap(first_gap, second_gap);
+
+	/* Store the result */
+	regions[0].start = ALIGN(start, DAMON_MIN_REGION);
+	regions[0].end = ALIGN(first_gap.start, DAMON_MIN_REGION);
+	regions[1].start = ALIGN(first_gap.end, DAMON_MIN_REGION);
+	regions[1].end = ALIGN(second_gap.start, DAMON_MIN_REGION);
+	regions[2].start = ALIGN(second_gap.end, DAMON_MIN_REGION);
+	regions[2].end = ALIGN(last_vma->vm_end, DAMON_MIN_REGION);
+
+	return 0;
+}
+
+/*
+ * Get the three regions in the given target (task)
+ *
+ * Returns 0 on success, negative error code otherwise.
+ */
+static int damon_va_three_regions(struct damon_target *t,
+				struct damon_addr_range regions[3])
+{
+	struct mm_struct *mm;
+	int rc;
+
+	mm = damon_get_mm(t);
+	if (!mm)
+		return -EINVAL;
+
+	mmap_read_lock(mm);
+	rc = __damon_va_three_regions(mm->mmap, regions);
+	mmap_read_unlock(mm);
+
+	mmput(mm);
+	return rc;
+}
+
+/*
+ * Initialize the monitoring target regions for the given target (task)
+ *
+ * t	the given target
+ *
+ * Because only a number of small portions of the entire address space
+ * is actually mapped to the memory and accessed, monitoring the unmapped
+ * regions is wasteful.  That said, because we can deal with small noises,
+ * tracking every mapping is not strictly required but could even incur a high
+ * overhead if the mapping frequently changes or the number of mappings is
+ * high.  The adaptive regions adjustment mechanism will further help to deal
+ * with the noise by simply identifying the unmapped areas as a region that
+ * has no access.  Moreover, applying the real mappings that would have many
+ * unmapped areas inside will make the adaptive mechanism quite complex.  That
+ * said, too huge unmapped areas inside the monitoring target should be removed
+ * to not take the time for the adaptive mechanism.
+ *
+ * For the reason, we convert the complex mappings to three distinct regions
+ * that cover every mapped area of the address space.  Also the two gaps
+ * between the three regions are the two biggest unmapped areas in the given
+ * address space.  In detail, this function first identifies the start and the
+ * end of the mappings and the two biggest unmapped areas of the address space.
+ * Then, it constructs the three regions as below:
+ *
+ *     [mappings[0]->start, big_two_unmapped_areas[0]->start)
+ *     [big_two_unmapped_areas[0]->end, big_two_unmapped_areas[1]->start)
+ *     [big_two_unmapped_areas[1]->end, mappings[nr_mappings - 1]->end)
+ *
+ * As usual memory map of processes is as below, the gap between the heap and
+ * the uppermost mmap()-ed region, and the gap between the lowermost mmap()-ed
+ * region and the stack will be two biggest unmapped regions.  Because these
+ * gaps are exceptionally huge areas in usual address space, excluding these
+ * two biggest unmapped regions will be sufficient to make a trade-off.
+ *
+ *   <heap>
+ *   <BIG UNMAPPED REGION 1>
+ *   <uppermost mmap()-ed region>
+ *   (other mmap()-ed regions and small unmapped regions)
+ *   <lowermost mmap()-ed region>
+ *   <BIG UNMAPPED REGION 2>
+ *   <stack>
+ */
+static void __damon_va_init_regions(struct damon_ctx *ctx,
+				     struct damon_target *t)
+{
+	struct damon_target *ti;
+	struct damon_region *r;
+	struct damon_addr_range regions[3];
+	unsigned long sz = 0, nr_pieces;
+	int i, tidx = 0;
+
+	if (damon_va_three_regions(t, regions)) {
+		damon_for_each_target(ti, ctx) {
+			if (ti == t)
+				break;
+			tidx++;
+		}
+		pr_debug("Failed to get three regions of %dth target\n", tidx);
+		return;
+	}
+
+	for (i = 0; i < 3; i++)
+		sz += regions[i].end - regions[i].start;
+	if (ctx->min_nr_regions)
+		sz /= ctx->min_nr_regions;
+	if (sz < DAMON_MIN_REGION)
+		sz = DAMON_MIN_REGION;
+
+	/* Set the initial three regions of the target */
+	for (i = 0; i < 3; i++) {
+		r = damon_new_region(regions[i].start, regions[i].end);
+		if (!r) {
+			pr_err("%d'th init region creation failed\n", i);
+			return;
+		}
+		damon_add_region(r, t);
+
+		nr_pieces = (regions[i].end - regions[i].start) / sz;
+		damon_va_evenly_split_region(t, r, nr_pieces);
+	}
+}
+
+/* Initialize '->regions_list' of every target (task) */
+static void damon_va_init(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+
+	damon_for_each_target(t, ctx) {
+		/* the user may set the target regions as they want */
+		if (!damon_nr_regions(t))
+			__damon_va_init_regions(ctx, t);
+	}
+}
+
+/*
+ * Functions for the dynamic monitoring target regions update
+ */
+
+/*
+ * Check whether a region is intersecting an address range
+ *
+ * Returns true if it is.
+ */
+static bool damon_intersect(struct damon_region *r,
+		struct damon_addr_range *re)
+{
+	return !(r->ar.end <= re->start || re->end <= r->ar.start);
+}
+
+/*
+ * Update damon regions for the three big regions of the given target
+ *
+ * t		the given target
+ * bregions	the three big regions of the target
+ */
+static void damon_va_apply_three_regions(struct damon_target *t,
+		struct damon_addr_range bregions[3])
+{
+	struct damon_region *r, *next;
+	unsigned int i;
+
+	/* Remove regions which are not in the three big regions now */
+	damon_for_each_region_safe(r, next, t) {
+		for (i = 0; i < 3; i++) {
+			if (damon_intersect(r, &bregions[i]))
+				break;
+		}
+		if (i == 3)
+			damon_destroy_region(r, t);
+	}
+
+	/* Adjust intersecting regions to fit with the three big regions */
+	for (i = 0; i < 3; i++) {
+		struct damon_region *first = NULL, *last;
+		struct damon_region *newr;
+		struct damon_addr_range *br;
+
+		br = &bregions[i];
+		/* Get the first and last regions which intersects with br */
+		damon_for_each_region(r, t) {
+			if (damon_intersect(r, br)) {
+				if (!first)
+					first = r;
+				last = r;
+			}
+			if (r->ar.start >= br->end)
+				break;
+		}
+		if (!first) {
+			/* no damon_region intersects with this big region */
+			newr = damon_new_region(
+					ALIGN_DOWN(br->start,
+						DAMON_MIN_REGION),
+					ALIGN(br->end, DAMON_MIN_REGION));
+			if (!newr)
+				continue;
+			damon_insert_region(newr, damon_prev_region(r), r, t);
+		} else {
+			first->ar.start = ALIGN_DOWN(br->start,
+					DAMON_MIN_REGION);
+			last->ar.end = ALIGN(br->end, DAMON_MIN_REGION);
+		}
+	}
+}
+
+/*
+ * Update regions for current memory mappings
+ */
+static void damon_va_update(struct damon_ctx *ctx)
+{
+	struct damon_addr_range three_regions[3];
+	struct damon_target *t;
+
+	damon_for_each_target(t, ctx) {
+		if (damon_va_three_regions(t, three_regions))
+			continue;
+		damon_va_apply_three_regions(t, three_regions);
+	}
+}
+
+static int damon_mkold_pmd_entry(pmd_t *pmd, unsigned long addr,
+		unsigned long next, struct mm_walk *walk)
+{
+	pte_t *pte;
+	spinlock_t *ptl;
+
+	if (pmd_huge(*pmd)) {
+		ptl = pmd_lock(walk->mm, pmd);
+		if (!pmd_present(*pmd)) {
+			spin_unlock(ptl);
+			return 0;
+		}
+
+		if (pmd_huge(*pmd)) {
+			damon_pmdp_mkold(pmd, walk->mm, addr);
+			spin_unlock(ptl);
+			return 0;
+		}
+		spin_unlock(ptl);
+	}
+
+	if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))
+		return 0;
+	pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
+	if (!pte_present(*pte))
+		goto out;
+	damon_ptep_mkold(pte, walk->mm, addr);
+out:
+	pte_unmap_unlock(pte, ptl);
+	return 0;
+}
+
+#ifdef CONFIG_HUGETLB_PAGE
+static void damon_hugetlb_mkold(pte_t *pte, struct mm_struct *mm,
+				struct vm_area_struct *vma, unsigned long addr)
+{
+	bool referenced = false;
+	pte_t entry = huge_ptep_get(pte);
+	struct page *page = pte_page(entry);
+
+	if (!page)
+		return;
+
+	get_page(page);
+
+	if (pte_young(entry)) {
+		referenced = true;
+		entry = pte_mkold(entry);
+		set_huge_pte_at(mm, addr, pte, entry);
+	}
+
+#ifdef CONFIG_MMU_NOTIFIER
+	if (mmu_notifier_clear_young(mm, addr,
+				     addr + huge_page_size(hstate_vma(vma))))
+		referenced = true;
+#endif /* CONFIG_MMU_NOTIFIER */
+
+	if (referenced)
+		set_page_young(page);
+
+	set_page_idle(page);
+	put_page(page);
+}
+
+static int damon_mkold_hugetlb_entry(pte_t *pte, unsigned long hmask,
+				     unsigned long addr, unsigned long end,
+				     struct mm_walk *walk)
+{
+	struct hstate *h = hstate_vma(walk->vma);
+	spinlock_t *ptl;
+	pte_t entry;
+
+	ptl = huge_pte_lock(h, walk->mm, pte);
+	entry = huge_ptep_get(pte);
+	if (!pte_present(entry))
+		goto out;
+
+	damon_hugetlb_mkold(pte, walk->mm, walk->vma, addr);
+
+out:
+	spin_unlock(ptl);
+	return 0;
+}
+#else
+#define damon_mkold_hugetlb_entry NULL
+#endif /* CONFIG_HUGETLB_PAGE */
+
+static const struct mm_walk_ops damon_mkold_ops = {
+	.pmd_entry = damon_mkold_pmd_entry,
+	.hugetlb_entry = damon_mkold_hugetlb_entry,
+};
+
+static void damon_va_mkold(struct mm_struct *mm, unsigned long addr)
+{
+	mmap_read_lock(mm);
+	walk_page_range(mm, addr, addr + 1, &damon_mkold_ops, NULL);
+	mmap_read_unlock(mm);
+}
+
+/*
+ * Functions for the access checking of the regions
+ */
+
+static void __damon_va_prepare_access_check(struct damon_ctx *ctx,
+			struct mm_struct *mm, struct damon_region *r)
+{
+	r->sampling_addr = damon_rand(r->ar.start, r->ar.end);
+
+	damon_va_mkold(mm, r->sampling_addr);
+}
+
+static void damon_va_prepare_access_checks(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+	struct mm_struct *mm;
+	struct damon_region *r;
+
+	damon_for_each_target(t, ctx) {
+		mm = damon_get_mm(t);
+		if (!mm)
+			continue;
+		damon_for_each_region(r, t)
+			__damon_va_prepare_access_check(ctx, mm, r);
+		mmput(mm);
+	}
+}
+
+struct damon_young_walk_private {
+	unsigned long *page_sz;
+	bool young;
+};
+
+static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr,
+		unsigned long next, struct mm_walk *walk)
+{
+	pte_t *pte;
+	spinlock_t *ptl;
+	struct page *page;
+	struct damon_young_walk_private *priv = walk->private;
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+	if (pmd_huge(*pmd)) {
+		ptl = pmd_lock(walk->mm, pmd);
+		if (!pmd_present(*pmd)) {
+			spin_unlock(ptl);
+			return 0;
+		}
+
+		if (!pmd_huge(*pmd)) {
+			spin_unlock(ptl);
+			goto regular_page;
+		}
+		page = damon_get_page(pmd_pfn(*pmd));
+		if (!page)
+			goto huge_out;
+		if (pmd_young(*pmd) || !page_is_idle(page) ||
+					mmu_notifier_test_young(walk->mm,
+						addr)) {
+			*priv->page_sz = ((1UL) << HPAGE_PMD_SHIFT);
+			priv->young = true;
+		}
+		put_page(page);
+huge_out:
+		spin_unlock(ptl);
+		return 0;
+	}
+
+regular_page:
+#endif	/* CONFIG_TRANSPARENT_HUGEPAGE */
+
+	if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))
+		return -EINVAL;
+	pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
+	if (!pte_present(*pte))
+		goto out;
+	page = damon_get_page(pte_pfn(*pte));
+	if (!page)
+		goto out;
+	if (pte_young(*pte) || !page_is_idle(page) ||
+			mmu_notifier_test_young(walk->mm, addr)) {
+		*priv->page_sz = PAGE_SIZE;
+		priv->young = true;
+	}
+	put_page(page);
+out:
+	pte_unmap_unlock(pte, ptl);
+	return 0;
+}
+
+#ifdef CONFIG_HUGETLB_PAGE
+static int damon_young_hugetlb_entry(pte_t *pte, unsigned long hmask,
+				     unsigned long addr, unsigned long end,
+				     struct mm_walk *walk)
+{
+	struct damon_young_walk_private *priv = walk->private;
+	struct hstate *h = hstate_vma(walk->vma);
+	struct page *page;
+	spinlock_t *ptl;
+	pte_t entry;
+
+	ptl = huge_pte_lock(h, walk->mm, pte);
+	entry = huge_ptep_get(pte);
+	if (!pte_present(entry))
+		goto out;
+
+	page = pte_page(entry);
+	if (!page)
+		goto out;
+
+	get_page(page);
+
+	if (pte_young(entry) || !page_is_idle(page) ||
+	    mmu_notifier_test_young(walk->mm, addr)) {
+		*priv->page_sz = huge_page_size(h);
+		priv->young = true;
+	}
+
+	put_page(page);
+
+out:
+	spin_unlock(ptl);
+	return 0;
+}
+#else
+#define damon_young_hugetlb_entry NULL
+#endif /* CONFIG_HUGETLB_PAGE */
+
+static const struct mm_walk_ops damon_young_ops = {
+	.pmd_entry = damon_young_pmd_entry,
+	.hugetlb_entry = damon_young_hugetlb_entry,
+};
+
+static bool damon_va_young(struct mm_struct *mm, unsigned long addr,
+		unsigned long *page_sz)
+{
+	struct damon_young_walk_private arg = {
+		.page_sz = page_sz,
+		.young = false,
+	};
+
+	mmap_read_lock(mm);
+	walk_page_range(mm, addr, addr + 1, &damon_young_ops, &arg);
+	mmap_read_unlock(mm);
+	return arg.young;
+}
+
+/*
+ * Check whether the region was accessed after the last preparation
+ *
+ * mm	'mm_struct' for the given virtual address space
+ * r	the region to be checked
+ */
+static void __damon_va_check_access(struct damon_ctx *ctx,
+			       struct mm_struct *mm, struct damon_region *r)
+{
+	static struct mm_struct *last_mm;
+	static unsigned long last_addr;
+	static unsigned long last_page_sz = PAGE_SIZE;
+	static bool last_accessed;
+
+	/* If the region is in the last checked page, reuse the result */
+	if (mm == last_mm && (ALIGN_DOWN(last_addr, last_page_sz) ==
+				ALIGN_DOWN(r->sampling_addr, last_page_sz))) {
+		if (last_accessed)
+			r->nr_accesses++;
+		return;
+	}
+
+	last_accessed = damon_va_young(mm, r->sampling_addr, &last_page_sz);
+	if (last_accessed)
+		r->nr_accesses++;
+
+	last_mm = mm;
+	last_addr = r->sampling_addr;
+}
+
+static unsigned int damon_va_check_accesses(struct damon_ctx *ctx)
+{
+	struct damon_target *t;
+	struct mm_struct *mm;
+	struct damon_region *r;
+	unsigned int max_nr_accesses = 0;
+
+	damon_for_each_target(t, ctx) {
+		mm = damon_get_mm(t);
+		if (!mm)
+			continue;
+		damon_for_each_region(r, t) {
+			__damon_va_check_access(ctx, mm, r);
+			max_nr_accesses = max(r->nr_accesses, max_nr_accesses);
+		}
+		mmput(mm);
+	}
+
+	return max_nr_accesses;
+}
+
+/*
+ * Functions for the target validity check and cleanup
+ */
+
+bool damon_va_target_valid(void *target)
+{
+	struct damon_target *t = target;
+	struct task_struct *task;
+
+	task = damon_get_task_struct(t);
+	if (task) {
+		put_task_struct(task);
+		return true;
+	}
+
+	return false;
+}
+
+#ifndef CONFIG_ADVISE_SYSCALLS
+static unsigned long damos_madvise(struct damon_target *target,
+		struct damon_region *r, int behavior)
+{
+	return 0;
+}
+#else
+static unsigned long damos_madvise(struct damon_target *target,
+		struct damon_region *r, int behavior)
+{
+	struct mm_struct *mm;
+	unsigned long start = PAGE_ALIGN(r->ar.start);
+	unsigned long len = PAGE_ALIGN(r->ar.end - r->ar.start);
+	unsigned long applied;
+
+	mm = damon_get_mm(target);
+	if (!mm)
+		return 0;
+
+	applied = do_madvise(mm, start, len, behavior) ? 0 : len;
+	mmput(mm);
+
+	return applied;
+}
+#endif	/* CONFIG_ADVISE_SYSCALLS */
+
+static unsigned long damon_va_apply_scheme(struct damon_ctx *ctx,
+		struct damon_target *t, struct damon_region *r,
+		struct damos *scheme)
+{
+	int madv_action;
+
+	switch (scheme->action) {
+	case DAMOS_WILLNEED:
+		madv_action = MADV_WILLNEED;
+		break;
+	case DAMOS_COLD:
+		madv_action = MADV_COLD;
+		break;
+	case DAMOS_PAGEOUT:
+		madv_action = MADV_PAGEOUT;
+		break;
+	case DAMOS_HUGEPAGE:
+		madv_action = MADV_HUGEPAGE;
+		break;
+	case DAMOS_NOHUGEPAGE:
+		madv_action = MADV_NOHUGEPAGE;
+		break;
+	case DAMOS_STAT:
+		return 0;
+	default:
+		return 0;
+	}
+
+	return damos_madvise(t, r, madv_action);
+}
+
+static int damon_va_scheme_score(struct damon_ctx *context,
+		struct damon_target *t, struct damon_region *r,
+		struct damos *scheme)
+{
+
+	switch (scheme->action) {
+	case DAMOS_PAGEOUT:
+		return damon_pageout_score(context, r, scheme);
+	default:
+		break;
+	}
+
+	return DAMOS_MAX_SCORE;
+}
+
+void damon_va_set_primitives(struct damon_ctx *ctx)
+{
+	ctx->primitive.init = damon_va_init;
+	ctx->primitive.update = damon_va_update;
+	ctx->primitive.prepare_access_checks = damon_va_prepare_access_checks;
+	ctx->primitive.check_accesses = damon_va_check_accesses;
+	ctx->primitive.reset_aggregated = NULL;
+	ctx->primitive.target_valid = damon_va_target_valid;
+	ctx->primitive.cleanup = NULL;
+	ctx->primitive.apply_scheme = damon_va_apply_scheme;
+	ctx->primitive.get_scheme_score = damon_va_scheme_score;
+}
+
+#include "vaddr-test.h"
diff --git a/mm/debug.c b/mm/debug.c
index ccca576..061e2eb 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -13,6 +13,7 @@
 #include <trace/events/mmflags.h>
 #include <linux/migrate.h>
 #include <linux/page_owner.h>
+#include <linux/page_pinner.h>
 #include <linux/ctype.h>
 
 #include "internal.h"
diff --git a/mm/filemap.c b/mm/filemap.c
index 3b0d8c6..0d5b832 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -42,11 +42,16 @@
 #include <linux/psi.h>
 #include <linux/ramfs.h>
 #include <linux/page_idle.h>
+#include <asm/pgalloc.h>
+#include <asm/tlbflush.h>
 #include "internal.h"
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/filemap.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
 /*
  * FIXME: remove all knowledge of the buffer layer from the core VM
  */
@@ -1193,7 +1198,7 @@
 /* How many times do we accept lock stealing from under a waiter? */
 int sysctl_page_lock_unfairness = 5;
 
-static inline int wait_on_page_bit_common(wait_queue_head_t *q,
+static inline __sched int wait_on_page_bit_common(wait_queue_head_t *q,
 	struct page *page, int bit_nr, int state, enum behavior behavior)
 {
 	int unfairness = sysctl_page_lock_unfairness;
@@ -1332,14 +1337,14 @@
 	return wait->flags & WQ_FLAG_WOKEN ? 0 : -EINTR;
 }
 
-void wait_on_page_bit(struct page *page, int bit_nr)
+__sched void wait_on_page_bit(struct page *page, int bit_nr)
 {
 	wait_queue_head_t *q = page_waitqueue(page);
 	wait_on_page_bit_common(q, page, bit_nr, TASK_UNINTERRUPTIBLE, SHARED);
 }
 EXPORT_SYMBOL(wait_on_page_bit);
 
-int wait_on_page_bit_killable(struct page *page, int bit_nr)
+__sched int wait_on_page_bit_killable(struct page *page, int bit_nr)
 {
 	wait_queue_head_t *q = page_waitqueue(page);
 	return wait_on_page_bit_common(q, page, bit_nr, TASK_KILLABLE, SHARED);
@@ -1536,7 +1541,7 @@
  * __lock_page - get a lock on the page, assuming we need to sleep to get it
  * @__page: the page to lock
  */
-void __lock_page(struct page *__page)
+__sched void __lock_page(struct page *__page)
 {
 	struct page *page = compound_head(__page);
 	wait_queue_head_t *q = page_waitqueue(page);
@@ -1545,7 +1550,7 @@
 }
 EXPORT_SYMBOL(__lock_page);
 
-int __lock_page_killable(struct page *__page)
+__sched int __lock_page_killable(struct page *__page)
 {
 	struct page *page = compound_head(__page);
 	wait_queue_head_t *q = page_waitqueue(page);
@@ -1554,7 +1559,7 @@
 }
 EXPORT_SYMBOL_GPL(__lock_page_killable);
 
-int __lock_page_async(struct page *page, struct wait_page_queue *wait)
+__sched int __lock_page_async(struct page *page, struct wait_page_queue *wait)
 {
 	return __wait_on_page_locked_async(page, wait, true);
 }
@@ -1570,7 +1575,7 @@
  * If neither ALLOW_RETRY nor KILLABLE are set, will always return 1
  * with the page locked and the mmap_lock unperturbed.
  */
-int __lock_page_or_retry(struct page *page, struct mm_struct *mm,
+__sched int __lock_page_or_retry(struct page *page, struct mm_struct *mm,
 			 unsigned int flags)
 {
 	if (fault_flag_allow_retry_first(flags)) {
@@ -1797,6 +1802,9 @@
 	page = find_get_entry(mapping, index);
 	if (xa_is_value(page))
 		page = NULL;
+
+	trace_android_vh_pagecache_get_page(mapping, index, fgp_flags,
+					gfp_mask, page);
 	if (!page)
 		goto no_page;
 
@@ -2701,7 +2709,9 @@
  * it in the page cache, and handles the special cases reasonably without
  * having a lot of duplicated code.
  *
- * vma->vm_mm->mmap_lock must be held on entry.
+ * If FAULT_FLAG_SPECULATIVE is set, this function runs with elevated vma
+ * refcount and with mmap lock not held.
+ * Otherwise, vma->vm_mm->mmap_lock must be held on entry.
  *
  * If our return value has VM_FAULT_RETRY set, it's because the mmap_lock
  * may be dropped before doing I/O or by lock_page_maybe_drop_mmap().
@@ -2723,13 +2733,66 @@
 	struct inode *inode = mapping->host;
 	pgoff_t offset = vmf->pgoff;
 	pgoff_t max_off;
-	struct page *page;
+	struct page *page = NULL;
 	vm_fault_t ret = 0;
+	bool retry = false;
+
+	if (vmf->flags & FAULT_FLAG_SPECULATIVE) {
+		page = find_get_page(mapping, offset);
+		if (unlikely(!page))
+			return VM_FAULT_RETRY;
+
+		if (unlikely(PageReadahead(page)))
+			goto page_put;
+
+		if (!trylock_page(page))
+			goto page_put;
+
+		if (unlikely(compound_head(page)->mapping != mapping))
+			goto page_unlock;
+		VM_BUG_ON_PAGE(page_to_pgoff(page) != offset, page);
+		if (unlikely(!PageUptodate(page)))
+			goto page_unlock;
+
+		max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+		if (unlikely(offset >= max_off))
+			goto page_unlock;
+
+		/*
+		 * Update readahead mmap_miss statistic.
+		 *
+		 * Note that we are not sure if finish_fault() will
+		 * manage to complete the transaction. If it fails,
+		 * we'll come back to filemap_fault() non-speculative
+		 * case which will update mmap_miss a second time.
+		 * This is not ideal, we would prefer to guarantee the
+		 * update will happen exactly once.
+		 */
+		if (!(vmf->vma->vm_flags & VM_RAND_READ) && ra->ra_pages) {
+			unsigned int mmap_miss = READ_ONCE(ra->mmap_miss);
+			if (mmap_miss)
+				WRITE_ONCE(ra->mmap_miss, --mmap_miss);
+		}
+
+		vmf->page = page;
+		return VM_FAULT_LOCKED;
+page_unlock:
+		unlock_page(page);
+page_put:
+		put_page(page);
+		return VM_FAULT_RETRY;
+	}
 
 	max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
 	if (unlikely(offset >= max_off))
 		return VM_FAULT_SIGBUS;
 
+	trace_android_vh_filemap_fault_get_page(vmf, &page, &retry);
+	if (unlikely(retry))
+		goto out_retry;
+	if (unlikely(page))
+		goto page_ok;
+
 	/*
 	 * Do we have something in the page cache already?
 	 */
@@ -2785,6 +2848,7 @@
 		goto out_retry;
 	}
 
+page_ok:
 	/*
 	 * Found the page and have a reference on it.
 	 * We must recheck i_size under page lock.
@@ -2830,82 +2894,188 @@
 	 * re-find the vma and come back and find our hopefully still populated
 	 * page.
 	 */
-	if (page)
+	if (page) {
+		trace_android_vh_filemap_fault_cache_page(vmf, page);
 		put_page(page);
+	}
 	if (fpin)
 		fput(fpin);
 	return ret | VM_FAULT_RETRY;
 }
 EXPORT_SYMBOL(filemap_fault);
 
-void filemap_map_pages(struct vm_fault *vmf,
-		pgoff_t start_pgoff, pgoff_t end_pgoff)
+static bool filemap_map_pmd(struct vm_fault *vmf, struct page *page)
 {
-	struct file *file = vmf->vma->vm_file;
+	struct mm_struct *mm = vmf->vma->vm_mm;
+
+	/* Huge page is mapped? No need to proceed. */
+	if (pmd_trans_huge(*vmf->pmd)) {
+		unlock_page(page);
+		put_page(page);
+		return true;
+	}
+
+	if (pmd_none(*vmf->pmd) && PageTransHuge(page)) {
+	    vm_fault_t ret = do_set_pmd(vmf, page);
+	    if (!ret) {
+		    /* The page is mapped successfully, reference consumed. */
+		    unlock_page(page);
+		    return true;
+	    }
+	}
+
+	if (pmd_none(*vmf->pmd)) {
+		vmf->ptl = pmd_lock(mm, vmf->pmd);
+		if (likely(pmd_none(*vmf->pmd))) {
+			mm_inc_nr_ptes(mm);
+			pmd_populate(mm, vmf->pmd, vmf->prealloc_pte);
+			vmf->prealloc_pte = NULL;
+		}
+		spin_unlock(vmf->ptl);
+	}
+
+	/* See comment in handle_pte_fault() */
+	if (pmd_devmap_trans_unstable(vmf->pmd)) {
+		unlock_page(page);
+		put_page(page);
+		return true;
+	}
+
+	return false;
+}
+
+static struct page *next_uptodate_page(struct page *page,
+				       struct address_space *mapping,
+				       struct xa_state *xas, pgoff_t end_pgoff)
+{
+	unsigned long max_idx;
+
+	do {
+		if (!page)
+			return NULL;
+		if (xas_retry(xas, page))
+			continue;
+		if (xa_is_value(page))
+			continue;
+		if (PageLocked(page))
+			continue;
+		if (!page_cache_get_speculative(page))
+			continue;
+		/* Has the page moved or been split? */
+		if (unlikely(page != xas_reload(xas)))
+			goto skip;
+		if (!PageUptodate(page) || PageReadahead(page))
+			goto skip;
+		if (PageHWPoison(page))
+			goto skip;
+		if (!trylock_page(page))
+			goto skip;
+		if (page->mapping != mapping)
+			goto unlock;
+		if (!PageUptodate(page))
+			goto unlock;
+		max_idx = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE);
+		if (xas->xa_index >= max_idx)
+			goto unlock;
+		return page;
+unlock:
+		unlock_page(page);
+skip:
+		put_page(page);
+	} while ((page = xas_next_entry(xas, end_pgoff)) != NULL);
+
+	return NULL;
+}
+
+static inline struct page *first_map_page(struct address_space *mapping,
+					  struct xa_state *xas,
+					  pgoff_t end_pgoff)
+{
+	return next_uptodate_page(xas_find(xas, end_pgoff),
+				  mapping, xas, end_pgoff);
+}
+
+static inline struct page *next_map_page(struct address_space *mapping,
+					 struct xa_state *xas,
+					 pgoff_t end_pgoff)
+{
+	return next_uptodate_page(xas_next_entry(xas, end_pgoff),
+				  mapping, xas, end_pgoff);
+}
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+bool filemap_allow_speculation(void)
+{
+	return true;
+}
+EXPORT_SYMBOL_GPL(filemap_allow_speculation);
+#endif
+
+vm_fault_t filemap_map_pages(struct vm_fault *vmf,
+			     pgoff_t start_pgoff, pgoff_t end_pgoff)
+{
+	struct vm_area_struct *vma = vmf->vma;
+	struct file *file = vma->vm_file;
 	struct address_space *mapping = file->f_mapping;
 	pgoff_t last_pgoff = start_pgoff;
-	unsigned long max_idx;
+	unsigned long addr;
 	XA_STATE(xas, &mapping->i_pages, start_pgoff);
 	struct page *head, *page;
 	unsigned int mmap_miss = READ_ONCE(file->f_ra.mmap_miss);
+	vm_fault_t ret = (vmf->flags & FAULT_FLAG_SPECULATIVE) ?
+		VM_FAULT_RETRY : 0;
 
 	rcu_read_lock();
-	xas_for_each(&xas, head, end_pgoff) {
-		if (xas_retry(&xas, head))
-			continue;
-		if (xa_is_value(head))
-			goto next;
+	head = first_map_page(mapping, &xas, end_pgoff);
+	if (!head)
+		goto out;
 
-		/*
-		 * Check for a locked page first, as a speculative
-		 * reference may adversely influence page migration.
-		 */
-		if (PageLocked(head))
-			goto next;
-		if (!page_cache_get_speculative(head))
-			goto next;
+	if (!(vmf->flags & FAULT_FLAG_SPECULATIVE) &&
+	    filemap_map_pmd(vmf, head)) {
+		ret = VM_FAULT_NOPAGE;
+		goto out;
+	}
 
-		/* Has the page moved or been split? */
-		if (unlikely(head != xas_reload(&xas)))
-			goto skip;
+	addr = vma->vm_start + ((start_pgoff - vma->vm_pgoff) << PAGE_SHIFT);
+	if (!pte_map_lock_addr(vmf, addr)) {
+		unlock_page(head);
+		put_page(head);
+		goto out;
+	}
+
+	do {
 		page = find_subpage(head, xas.xa_index);
-
-		if (!PageUptodate(head) ||
-				PageReadahead(page) ||
-				PageHWPoison(page))
-			goto skip;
-		if (!trylock_page(head))
-			goto skip;
-
-		if (head->mapping != mapping || !PageUptodate(head))
-			goto unlock;
-
-		max_idx = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE);
-		if (xas.xa_index >= max_idx)
+		if (PageHWPoison(page))
 			goto unlock;
 
 		if (mmap_miss > 0)
 			mmap_miss--;
 
-		vmf->address += (xas.xa_index - last_pgoff) << PAGE_SHIFT;
-		if (vmf->pte)
-			vmf->pte += xas.xa_index - last_pgoff;
+		addr += (xas.xa_index - last_pgoff) << PAGE_SHIFT;
+		vmf->pte += xas.xa_index - last_pgoff;
 		last_pgoff = xas.xa_index;
-		if (alloc_set_pte(vmf, page))
+
+		if (!pte_none(*vmf->pte))
 			goto unlock;
+
+		/* We're about to handle the fault */
+		if (vmf->address == addr)
+			ret = VM_FAULT_NOPAGE;
+
+		do_set_pte(vmf, page, addr);
+		/* no need to invalidate: a not-present page won't be cached */
+		update_mmu_cache(vma, addr, vmf->pte);
 		unlock_page(head);
-		goto next;
+		continue;
 unlock:
 		unlock_page(head);
-skip:
 		put_page(head);
-next:
-		/* Huge page is mapped? No need to proceed. */
-		if (pmd_trans_huge(*vmf->pmd))
-			break;
-	}
+	} while ((head = next_map_page(mapping, &xas, end_pgoff)) != NULL);
+	pte_unmap_unlock(vmf->pte, vmf->ptl);
+out:
 	rcu_read_unlock();
 	WRITE_ONCE(file->f_ra.mmap_miss, mmap_miss);
+	return ret;
 }
 EXPORT_SYMBOL(filemap_map_pages);
 
@@ -2939,6 +3109,9 @@
 	.fault		= filemap_fault,
 	.map_pages	= filemap_map_pages,
 	.page_mkwrite	= filemap_page_mkwrite,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	.allow_speculation = filemap_allow_speculation,
+#endif
 };
 
 /* This is used for a general mmap of a disk file */
diff --git a/mm/gup.c b/mm/gup.c
index 11307a8..c276c02 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -18,11 +18,16 @@
 #include <linux/mm_inline.h>
 #include <linux/sched/mm.h>
 
+#include <linux/page_pinner.h>
+
 #include <asm/mmu_context.h>
 #include <asm/tlbflush.h>
 
 #include "internal.h"
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/gup.h>
+
 struct follow_page_context {
 	struct dev_pagemap *pgmap;
 	unsigned int page_mask;
@@ -114,9 +119,15 @@
 							  int refs,
 							  unsigned int flags)
 {
-	if (flags & FOLL_GET)
+	bool vendor_ret = false;
+
+	trace_android_vh_try_grab_compound_head(page, refs, flags, &vendor_ret);
+	if (vendor_ret)
+		return NULL;
+
+	if (flags & FOLL_GET) {
 		return try_get_compound_head(page, refs);
-	else if (flags & FOLL_PIN) {
+	} else if (flags & FOLL_PIN) {
 		int orig_refs = refs;
 
 		/*
@@ -198,9 +209,9 @@
 {
 	WARN_ON_ONCE((flags & (FOLL_GET | FOLL_PIN)) == (FOLL_GET | FOLL_PIN));
 
-	if (flags & FOLL_GET)
+	if (flags & FOLL_GET) {
 		return try_get_page(page);
-	else if (flags & FOLL_PIN) {
+	} else if (flags & FOLL_PIN) {
 		int refs = 1;
 
 		page = compound_head(page);
@@ -929,6 +940,9 @@
 	if (gup_flags & FOLL_ANON && !vma_is_anonymous(vma))
 		return -EFAULT;
 
+	if ((gup_flags & FOLL_LONGTERM) && vma_is_fsdax(vma))
+		return -EOPNOTSUPP;
+
 	if (write) {
 		if (!(vm_flags & VM_WRITE)) {
 			if (!(gup_flags & FOLL_FORCE))
@@ -1066,10 +1080,14 @@
 				goto next_page;
 			}
 
-			if (!vma || check_vma_flags(vma, gup_flags)) {
+			if (!vma) {
 				ret = -EFAULT;
 				goto out;
 			}
+			ret = check_vma_flags(vma, gup_flags);
+			if (ret)
+				goto out;
+
 			if (is_vm_hugetlb_page(vma)) {
 				i = follow_hugetlb_page(mm, vma, pages, vmas,
 						&start, &nr_pages, i,
@@ -1573,26 +1591,6 @@
 }
 #endif /* CONFIG_ELF_CORE */
 
-#if defined(CONFIG_FS_DAX) || defined (CONFIG_CMA)
-static bool check_dax_vmas(struct vm_area_struct **vmas, long nr_pages)
-{
-	long i;
-	struct vm_area_struct *vma_prev = NULL;
-
-	for (i = 0; i < nr_pages; i++) {
-		struct vm_area_struct *vma = vmas[i];
-
-		if (vma == vma_prev)
-			continue;
-
-		vma_prev = vma;
-
-		if (vma_is_fsdax(vma))
-			return true;
-	}
-	return false;
-}
-
 #ifdef CONFIG_CMA
 static long check_and_migrate_cma_pages(struct mm_struct *mm,
 					unsigned long start,
@@ -1711,63 +1709,23 @@
 				  struct vm_area_struct **vmas,
 				  unsigned int gup_flags)
 {
-	struct vm_area_struct **vmas_tmp = vmas;
 	unsigned long flags = 0;
-	long rc, i;
+	long rc;
 
-	if (gup_flags & FOLL_LONGTERM) {
-		if (!pages)
-			return -EINVAL;
-
-		if (!vmas_tmp) {
-			vmas_tmp = kcalloc(nr_pages,
-					   sizeof(struct vm_area_struct *),
-					   GFP_KERNEL);
-			if (!vmas_tmp)
-				return -ENOMEM;
-		}
+	if (gup_flags & FOLL_LONGTERM)
 		flags = memalloc_nocma_save();
-	}
 
-	rc = __get_user_pages_locked(mm, start, nr_pages, pages,
-				     vmas_tmp, NULL, gup_flags);
+	rc = __get_user_pages_locked(mm, start, nr_pages, pages, vmas, NULL,
+				     gup_flags);
 
 	if (gup_flags & FOLL_LONGTERM) {
-		if (rc < 0)
-			goto out;
-
-		if (check_dax_vmas(vmas_tmp, rc)) {
-			if (gup_flags & FOLL_PIN)
-				unpin_user_pages(pages, rc);
-			else
-				for (i = 0; i < rc; i++)
-					put_page(pages[i]);
-			rc = -EOPNOTSUPP;
-			goto out;
-		}
-
-		rc = check_and_migrate_cma_pages(mm, start, rc, pages,
-						 vmas_tmp, gup_flags);
-out:
+		if (rc > 0)
+			rc = check_and_migrate_cma_pages(mm, start, rc, pages,
+							 vmas, gup_flags);
 		memalloc_nocma_restore(flags);
 	}
-
-	if (vmas_tmp != vmas)
-		kfree(vmas_tmp);
 	return rc;
 }
-#else /* !CONFIG_FS_DAX && !CONFIG_CMA */
-static __always_inline long __gup_longterm_locked(struct mm_struct *mm,
-						  unsigned long start,
-						  unsigned long nr_pages,
-						  struct page **pages,
-						  struct vm_area_struct **vmas,
-						  unsigned int flags)
-{
-	return __get_user_pages_locked(mm, start, nr_pages, pages, vmas,
-				       NULL, flags);
-}
-#endif /* CONFIG_FS_DAX || CONFIG_CMA */
 
 static bool is_valid_gup_flags(unsigned int gup_flags)
 {
@@ -1794,6 +1752,10 @@
 				    unsigned int gup_flags, struct page **pages,
 				    struct vm_area_struct **vmas, int *locked)
 {
+	unsigned int orig_gup_flags = gup_flags;
+
+	trace_android_vh___get_user_pages_remote(locked, &gup_flags, pages);
+
 	/*
 	 * Parts of FOLL_LONGTERM behavior are incompatible with
 	 * FAULT_FLAG_ALLOW_RETRY because of the FS DAX check requirement on
@@ -1801,16 +1763,24 @@
 	 * callers that do request FOLL_LONGTERM, but do not set locked. So,
 	 * allow what we can.
 	 */
+retry:
 	if (gup_flags & FOLL_LONGTERM) {
+		long ret;
+
 		if (WARN_ON_ONCE(locked))
 			return -EINVAL;
 		/*
 		 * This will check the vmas (even if our vmas arg is NULL)
 		 * and return -ENOTSUPP if DAX isn't allowed in this case:
 		 */
-		return __gup_longterm_locked(mm, start, nr_pages, pages,
+		ret = __gup_longterm_locked(mm, start, nr_pages, pages,
 					     vmas, gup_flags | FOLL_TOUCH |
 					     FOLL_REMOTE);
+		if (ret < 0 && orig_gup_flags != gup_flags) {
+			gup_flags = orig_gup_flags;
+			goto retry;
+		} else
+			return ret;
 	}
 
 	return __get_user_pages_locked(mm, start, nr_pages, pages, vmas,
@@ -1929,11 +1899,23 @@
 		unsigned int gup_flags, struct page **pages,
 		struct vm_area_struct **vmas)
 {
+	long ret;
+	unsigned int orig_gup_flags;
+
 	if (!is_valid_gup_flags(gup_flags))
 		return -EINVAL;
 
-	return __gup_longterm_locked(current->mm, start, nr_pages,
+	orig_gup_flags = gup_flags;
+	trace_android_vh_get_user_pages(&gup_flags, pages);
+retry:
+	ret = __gup_longterm_locked(current->mm, start, nr_pages,
 				     pages, vmas, gup_flags | FOLL_TOUCH);
+	if (ret < 0 && orig_gup_flags != gup_flags) {
+		gup_flags = orig_gup_flags;
+		goto retry;
+	}
+
+	return ret;
 }
 EXPORT_SYMBOL(get_user_pages);
 
@@ -2737,6 +2719,7 @@
 	unsigned long len, end;
 	unsigned long nr_pinned;
 	int ret;
+	unsigned long orig_gup_flags = gup_flags;
 
 	if (WARN_ON_ONCE(gup_flags & ~(FOLL_WRITE | FOLL_LONGTERM |
 				       FOLL_FORCE | FOLL_PIN | FOLL_GET |
@@ -2763,8 +2746,15 @@
 	/* Slow path: try to get the remaining pages with get_user_pages */
 	start += nr_pinned << PAGE_SHIFT;
 	pages += nr_pinned;
+	trace_android_vh_internal_get_user_pages_fast(&gup_flags, pages);
+retry:
 	ret = __gup_longterm_unlocked(start, nr_pages - nr_pinned, gup_flags,
 				      pages);
+	if (ret < 0 && orig_gup_flags != gup_flags) {
+		gup_flags = orig_gup_flags;
+		goto retry;
+	}
+
 	if (ret < 0) {
 		/*
 		 * The caller has to unpin the pages we already pinned so
@@ -2988,6 +2978,7 @@
 		return -EINVAL;
 
 	gup_flags |= FOLL_PIN;
+	trace_android_vh_pin_user_pages(&gup_flags, pages);
 	return __gup_longterm_locked(current->mm, start, nr_pages,
 				     pages, vmas, gup_flags);
 }
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index e4c690c..847bbb6 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1481,7 +1481,7 @@
 	 */
 	get_page(page);
 	spin_unlock(vmf->ptl);
-	anon_vma = page_lock_anon_vma_read(page);
+	anon_vma = page_lock_anon_vma_read(page, NULL);
 
 	/* Confirm the PMD did not change while page_table_lock was released */
 	spin_lock(vmf->ptl);
@@ -2153,7 +2153,7 @@
 				entry = pte_swp_mkuffd_wp(entry);
 		} else {
 			entry = mk_pte(page + i, READ_ONCE(vma->vm_page_prot));
-			entry = maybe_mkwrite(entry, vma);
+			entry = maybe_mkwrite(entry, vma->vm_flags);
 			if (!write)
 				entry = pte_wrprotect(entry);
 			if (!young)
@@ -2404,7 +2404,8 @@
 #ifdef CONFIG_64BIT
 			 (1L << PG_arch_2) |
 #endif
-			 (1L << PG_dirty)));
+			 (1L << PG_dirty) |
+			 LRU_GEN_MASK | LRU_REFS_MASK));
 
 	/* ->mapping in first tail page is compound_mapcount */
 	VM_BUG_ON_PAGE(tail > 2 && page_tail->mapping != TAIL_MAPPING,
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 81949f6..a4682bb 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -39,7 +39,6 @@
 #include <linux/hugetlb.h>
 #include <linux/hugetlb_cgroup.h>
 #include <linux/node.h>
-#include <linux/userfaultfd_k.h>
 #include <linux/page_owner.h>
 #include "internal.h"
 
@@ -79,6 +78,9 @@
 static int num_fault_mutexes;
 struct mutex *hugetlb_fault_mutex_table ____cacheline_aligned_in_smp;
 
+static void hugetlb_unshare_pmds(struct vm_area_struct *vma,
+		unsigned long start, unsigned long end);
+
 static inline bool PageHugeFreed(struct page *head)
 {
 	return page_private(head + 4) == -1UL;
@@ -1293,7 +1295,8 @@
 
 		if (hugetlb_cma[nid]) {
 			page = cma_alloc(hugetlb_cma[nid], nr_pages,
-					huge_page_order(h), true);
+					huge_page_order(h),
+					GFP_KERNEL | __GFP_NOWARN);
 			if (page)
 				return page;
 		}
@@ -1304,7 +1307,8 @@
 					continue;
 
 				page = cma_alloc(hugetlb_cma[node], nr_pages,
-						huge_page_order(h), true);
+						huge_page_order(h),
+						GFP_KERNEL | __GFP_NOWARN);
 				if (page)
 					return page;
 			}
@@ -3697,6 +3701,25 @@
 {
 	if (addr & ~(huge_page_mask(hstate_vma(vma))))
 		return -EINVAL;
+
+	/*
+	 * PMD sharing is only possible for PUD_SIZE-aligned address ranges
+	 * in HugeTLB VMAs. If we will lose PUD_SIZE alignment due to this
+	 * split, unshare PMDs in the PUD_SIZE interval surrounding addr now.
+	 */
+	if (addr & ~PUD_MASK) {
+		/*
+		 * hugetlb_vm_op_split is called right before we attempt to
+		 * split the VMA. We will need to unshare PMDs in the old and
+		 * new VMAs, so let's unshare before we split.
+		 */
+		unsigned long floor = addr & PUD_MASK;
+		unsigned long ceil = floor + PUD_SIZE;
+
+		if (floor >= vma->vm_start && ceil <= vma->vm_end)
+			hugetlb_unshare_pmds(vma, floor, ceil);
+	}
+
 	return 0;
 }
 
@@ -3824,7 +3847,7 @@
 		src_pte = huge_pte_offset(src, addr, sz);
 		if (!src_pte)
 			continue;
-		dst_pte = huge_pte_alloc(dst, addr, sz);
+		dst_pte = huge_pte_alloc(dst, vma, addr, sz);
 		if (!dst_pte) {
 			ret = -ENOMEM;
 			break;
@@ -4323,6 +4346,38 @@
 	return 0;
 }
 
+static inline vm_fault_t hugetlb_handle_userfault(struct vm_area_struct *vma,
+						  struct address_space *mapping,
+						  pgoff_t idx,
+						  unsigned int flags,
+						  unsigned long haddr,
+						  unsigned long reason)
+{
+	u32 hash = hugetlb_fault_mutex_hash(mapping, idx);
+	struct vm_fault vmf = {
+		.vma = vma,
+		.address = haddr,
+		.flags = flags,
+		/*
+		 * Hard to debug if it ends up being
+		 * used by a callee that assumes
+		 * something about the other
+		 * uninitialized fields... same as in
+		 * memory.c
+		 */
+	};
+
+	/*
+	 * vma_lock and hugetlb_fault_mutex must be dropped
+	 * before handling userfault. Also mmap_lock will
+	 * be dropped during handling userfault, any vma
+	 * operation should be careful from here.
+	 */
+	mutex_unlock(&hugetlb_fault_mutex_table[hash]);
+	i_mmap_unlock_read(mapping);
+	return handle_userfault(&vmf, VM_UFFD_MISSING);
+}
+
 static vm_fault_t hugetlb_no_page(struct mm_struct *mm,
 			struct vm_area_struct *vma,
 			struct address_space *mapping, pgoff_t idx,
@@ -4362,32 +4417,12 @@
 retry:
 	page = find_lock_page(mapping, idx);
 	if (!page) {
-		/*
-		 * Check for page in userfault range
-		 */
+		/* Check for page in userfault range */
 		if (userfaultfd_missing(vma)) {
-			struct vm_fault vmf = {
-				.vma = vma,
-				.address = haddr,
-				.flags = flags,
-				/*
-				 * Hard to debug if it ends up being
-				 * used by a callee that assumes
-				 * something about the other
-				 * uninitialized fields... same as in
-				 * memory.c
-				 */
-			};
-
-			/*
-			 * vma_lock and hugetlb_fault_mutex must be dropped
-			 * before handling userfault. Also mmap_lock will
-			 * be dropped during handling userfault, any vma
-			 * operation should be careful from here.
-			 */
-			mutex_unlock(&hugetlb_fault_mutex_table[hash]);
-			i_mmap_unlock_read(mapping);
-			return handle_userfault(&vmf, VM_UFFD_MISSING);
+			ret = hugetlb_handle_userfault(vma, mapping, idx,
+						       flags, haddr,
+						       VM_UFFD_MISSING);
+			goto out;
 		}
 
 		page = alloc_huge_page(vma, haddr, 0);
@@ -4445,6 +4480,16 @@
 				VM_FAULT_SET_HINDEX(hstate_index(h));
 			goto backout_unlocked;
 		}
+
+		/* Check for page in userfault range. */
+		if (userfaultfd_minor(vma)) {
+			unlock_page(page);
+			put_page(page);
+			ret = hugetlb_handle_userfault(vma, mapping, idx,
+						       flags, haddr,
+						       VM_UFFD_MINOR);
+			goto out;
+		}
 	}
 
 	/*
@@ -4575,7 +4620,7 @@
 	 */
 	mapping = vma->vm_file->f_mapping;
 	i_mmap_lock_read(mapping);
-	ptep = huge_pte_alloc(mm, haddr, huge_page_size(h));
+	ptep = huge_pte_alloc(mm, vma, haddr, huge_page_size(h));
 	if (!ptep) {
 		i_mmap_unlock_read(mapping);
 		return VM_FAULT_OOM;
@@ -4689,6 +4734,7 @@
 	return ret;
 }
 
+#ifdef CONFIG_USERFAULTFD
 /*
  * Used by userfaultfd UFFDIO_COPY.  Based on mcopy_atomic_pte with
  * modifications for huge pages.
@@ -4698,8 +4744,10 @@
 			    struct vm_area_struct *dst_vma,
 			    unsigned long dst_addr,
 			    unsigned long src_addr,
+			    enum mcopy_atomic_mode mode,
 			    struct page **pagep)
 {
+	bool is_continue = (mode == MCOPY_ATOMIC_CONTINUE);
 	struct address_space *mapping;
 	pgoff_t idx;
 	unsigned long size;
@@ -4709,8 +4757,17 @@
 	spinlock_t *ptl;
 	int ret;
 	struct page *page;
+	int writable;
 
-	if (!*pagep) {
+	mapping = dst_vma->vm_file->f_mapping;
+	idx = vma_hugecache_offset(h, dst_vma, dst_addr);
+
+	if (is_continue) {
+		ret = -EFAULT;
+		page = find_lock_page(mapping, idx);
+		if (!page)
+			goto out;
+	} else if (!*pagep) {
 		/* If a page already exists, then it's UFFDIO_COPY for
 		 * a non-missing case. Return -EEXIST.
 		 */
@@ -4749,13 +4806,8 @@
 	 */
 	__SetPageUptodate(page);
 
-	mapping = dst_vma->vm_file->f_mapping;
-	idx = vma_hugecache_offset(h, dst_vma, dst_addr);
-
-	/*
-	 * If shared, add to page cache
-	 */
-	if (vm_shared) {
+	/* Add shared, newly allocated pages to the page cache. */
+	if (vm_shared && !is_continue) {
 		size = i_size_read(mapping->host) >> huge_page_shift(h);
 		ret = -EFAULT;
 		if (idx >= size)
@@ -4800,8 +4852,14 @@
 		hugepage_add_new_anon_rmap(page, dst_vma, dst_addr);
 	}
 
-	_dst_pte = make_huge_pte(dst_vma, page, dst_vma->vm_flags & VM_WRITE);
-	if (dst_vma->vm_flags & VM_WRITE)
+	/* For CONTINUE on a non-shared VMA, don't set VM_WRITE for CoW. */
+	if (is_continue && !vm_shared)
+		writable = 0;
+	else
+		writable = dst_vma->vm_flags & VM_WRITE;
+
+	_dst_pte = make_huge_pte(dst_vma, page, writable);
+	if (writable)
 		_dst_pte = huge_pte_mkdirty(_dst_pte);
 	_dst_pte = pte_mkyoung(_dst_pte);
 
@@ -4815,20 +4873,22 @@
 	update_mmu_cache(dst_vma, dst_addr, dst_pte);
 
 	spin_unlock(ptl);
-	set_page_huge_active(page);
-	if (vm_shared)
+	if (!is_continue)
+		set_page_huge_active(page);
+	if (vm_shared || is_continue)
 		unlock_page(page);
 	ret = 0;
 out:
 	return ret;
 out_release_unlock:
 	spin_unlock(ptl);
-	if (vm_shared)
+	if (vm_shared || is_continue)
 		unlock_page(page);
 out_release_nounlock:
 	put_page(page);
 	goto out;
 }
+#endif /* CONFIG_USERFAULTFD */
 
 long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			 struct page **pages, struct vm_area_struct **vmas,
@@ -5008,14 +5068,6 @@
 	return i ? i : err;
 }
 
-#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
-/*
- * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
- * implement this.
- */
-#define flush_hugetlb_tlb_range(vma, addr, end)	flush_tlb_range(vma, addr, end)
-#endif
-
 unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
 		unsigned long address, unsigned long end, pgprot_t newprot)
 {
@@ -5347,6 +5399,15 @@
 	return false;
 }
 
+bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr)
+{
+#ifdef CONFIG_USERFAULTFD
+	if (uffd_disable_huge_pmd_share(vma))
+		return false;
+#endif
+	return vma_shareable(vma, addr);
+}
+
 /*
  * Determine if start,end range within vma could be mapped by shared pmd.
  * If yes, adjust start and end to cover range associated with possible
@@ -5391,9 +5452,9 @@
  * if !vma_shareable check at the beginning of the routine. i_mmap_rwsem is
  * only required for subsequent processing.
  */
-pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud)
+pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma,
+		      unsigned long addr, pud_t *pud)
 {
-	struct vm_area_struct *vma = find_vma(mm, addr);
 	struct address_space *mapping = vma->vm_file->f_mapping;
 	pgoff_t idx = ((addr - vma->vm_start) >> PAGE_SHIFT) +
 			vma->vm_pgoff;
@@ -5403,9 +5464,6 @@
 	pte_t *pte;
 	spinlock_t *ptl;
 
-	if (!vma_shareable(vma, addr))
-		return (pte_t *)pmd_alloc(mm, pud, addr);
-
 	i_mmap_assert_locked(mapping);
 	vma_interval_tree_foreach(svma, &mapping->i_mmap, idx, idx) {
 		if (svma == vma)
@@ -5476,9 +5534,10 @@
 	*addr |= PUD_SIZE - PMD_SIZE;
 	return 1;
 }
-#define want_pmd_share()	(1)
+
 #else /* !CONFIG_ARCH_WANT_HUGE_PMD_SHARE */
-pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud)
+pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma,
+		      unsigned long addr, pud_t *pud)
 {
 	return NULL;
 }
@@ -5493,11 +5552,15 @@
 				unsigned long *start, unsigned long *end)
 {
 }
-#define want_pmd_share()	(0)
+
+bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr)
+{
+	return false;
+}
 #endif /* CONFIG_ARCH_WANT_HUGE_PMD_SHARE */
 
 #ifdef CONFIG_ARCH_WANT_GENERAL_HUGETLB
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long addr, unsigned long sz)
 {
 	pgd_t *pgd;
@@ -5515,8 +5578,8 @@
 			pte = (pte_t *)pud;
 		} else {
 			BUG_ON(sz != PMD_SIZE);
-			if (want_pmd_share() && pud_none(*pud))
-				pte = huge_pmd_share(mm, addr, pud);
+			if (want_pmd_share(vma, addr) && pud_none(*pud))
+				pte = huge_pmd_share(mm, vma, addr, pud);
 			else
 				pte = (pte_t *)pmd_alloc(mm, pud, addr);
 		}
@@ -5715,6 +5778,63 @@
 	}
 }
 
+static void hugetlb_unshare_pmds(struct vm_area_struct *vma,
+				   unsigned long start,
+				   unsigned long end)
+{
+	struct hstate *h = hstate_vma(vma);
+	unsigned long sz = huge_page_size(h);
+	struct mm_struct *mm = vma->vm_mm;
+	struct mmu_notifier_range range;
+	unsigned long address;
+	spinlock_t *ptl;
+	pte_t *ptep;
+
+	if (!(vma->vm_flags & VM_MAYSHARE))
+		return;
+
+	if (start >= end)
+		return;
+
+	flush_cache_range(vma, start, end);
+	/*
+	 * No need to call adjust_range_if_pmd_sharing_possible(), because
+	 * we have already done the PUD_SIZE alignment.
+	 */
+	mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm,
+				start, end);
+	mmu_notifier_invalidate_range_start(&range);
+	i_mmap_lock_write(vma->vm_file->f_mapping);
+	for (address = start; address < end; address += PUD_SIZE) {
+		unsigned long tmp = address;
+
+		ptep = huge_pte_offset(mm, address, sz);
+		if (!ptep)
+			continue;
+		ptl = huge_pte_lock(h, mm, ptep);
+		/* We don't want 'address' to be changed */
+		huge_pmd_unshare(mm, vma, &tmp, ptep);
+		spin_unlock(ptl);
+	}
+	flush_hugetlb_tlb_range(vma, start, end);
+	i_mmap_unlock_write(vma->vm_file->f_mapping);
+	/*
+	 * No need to call mmu_notifier_invalidate_range(), see
+	 * Documentation/vm/mmu_notifier.rst.
+	 */
+	mmu_notifier_invalidate_range_end(&range);
+}
+
+/*
+ * This function will unconditionally remove all the shared pmd pgtable entries
+ * within the specific vma for a hugetlbfs memory range.
+ */
+void hugetlb_unshare_all_pmds(struct vm_area_struct *vma)
+{
+	hugetlb_unshare_pmds(vma, ALIGN(vma->vm_start, PUD_SIZE),
+			ALIGN_DOWN(vma->vm_end, PUD_SIZE));
+}
+
 #ifdef CONFIG_CMA
 static bool cma_reserve_called __initdata;
 
diff --git a/mm/init-mm.c b/mm/init-mm.c
index 15316266..241def2 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -28,6 +28,9 @@
  */
 struct mm_struct init_mm = {
 	.mm_rb		= RB_ROOT,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	.mm_rb_lock	= __RW_LOCK_UNLOCKED(init_mm.mm_rb_lock),
+#endif
 	.pgd		= swapper_pg_dir,
 	.mm_users	= ATOMIC_INIT(2),
 	.mm_count	= ATOMIC_INIT(1),
diff --git a/mm/internal.h b/mm/internal.h
index 840b8a3..e1fbedf 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -35,6 +35,27 @@
 void page_writeback_init(void);
 
 vm_fault_t do_swap_page(struct vm_fault *vmf);
+void activate_page(struct page *page);
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+extern struct vm_area_struct *get_vma(struct mm_struct *mm,
+				      unsigned long addr);
+extern void put_vma(struct vm_area_struct *vma);
+
+static inline bool vma_has_changed(struct vm_fault *vmf)
+{
+	int ret = RB_EMPTY_NODE(&vmf->vma->vm_rb);
+	unsigned int seq = READ_ONCE(vmf->vma->vm_sequence.sequence);
+
+	/*
+	 * Matches both the wmb in write_seqlock_{begin,end}() and
+	 * the wmb in vma_rb_erase().
+	 */
+	smp_rmb();
+
+	return ret || seq != vmf->sequence;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
 
 void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
 		unsigned long floor, unsigned long ceiling);
@@ -244,6 +265,11 @@
 	bool alloc_contig;		/* alloc_contig_range allocation */
 };
 
+struct compact_control_ext {
+	struct compact_control *cc;
+	unsigned int nr_migrate_file_pages;	/* Number of file pages to migrate */
+};
+
 /*
  * Used in direct compaction when a page should be taken from the freelists
  * immediately when one is created during the free path.
diff --git a/mm/ioremap.c b/mm/ioremap.c
index 5fa1ab4..17b1d49 100644
--- a/mm/ioremap.c
+++ b/mm/ioremap.c
@@ -225,6 +225,7 @@
 	pgd_t *pgd;
 	unsigned long start;
 	unsigned long next;
+	phys_addr_t phys_start = phys_addr;
 	int err;
 	pgtbl_mod_mask mask = 0;
 
@@ -246,6 +247,9 @@
 	if (mask & ARCH_PAGE_TABLE_SYNC_MASK)
 		arch_sync_kernel_mappings(start, end);
 
+	if (IS_ENABLED(CONFIG_ARCH_HAS_IOREMAP_PHYS_HOOKS) && !err)
+		ioremap_phys_range_hook(phys_start, end - start, prot);
+
 	return err;
 }
 
diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile
index 370d970..adcd9ac 100644
--- a/mm/kasan/Makefile
+++ b/mm/kasan/Makefile
@@ -6,12 +6,15 @@
 # Disable ftrace to avoid recursion.
 CFLAGS_REMOVE_common.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_generic.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_generic_report.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_quarantine.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_tags.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_tags_report.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_report_generic.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_report_hw_tags.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_report_sw_tags.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_shadow.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_hw_tags.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_sw_tags.o = $(CC_FLAGS_FTRACE)
 
 # Function splitter causes unnecessary splits in __asan_load1/__asan_store1
 # see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63533
@@ -22,13 +25,17 @@
 
 CFLAGS_common.o := $(CC_FLAGS_KASAN_RUNTIME)
 CFLAGS_generic.o := $(CC_FLAGS_KASAN_RUNTIME)
-CFLAGS_generic_report.o := $(CC_FLAGS_KASAN_RUNTIME)
 CFLAGS_init.o := $(CC_FLAGS_KASAN_RUNTIME)
 CFLAGS_quarantine.o := $(CC_FLAGS_KASAN_RUNTIME)
 CFLAGS_report.o := $(CC_FLAGS_KASAN_RUNTIME)
-CFLAGS_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
-CFLAGS_tags_report.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_report_generic.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_report_hw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_report_sw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_shadow.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_hw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_sw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
 
-obj-$(CONFIG_KASAN) := common.o init.o report.o
-obj-$(CONFIG_KASAN_GENERIC) += generic.o generic_report.o quarantine.o
-obj-$(CONFIG_KASAN_SW_TAGS) += tags.o tags_report.o
+obj-$(CONFIG_KASAN) := common.o report.o
+obj-$(CONFIG_KASAN_GENERIC) += init.o generic.o report_generic.o shadow.o quarantine.o
+obj-$(CONFIG_KASAN_HW_TAGS) += hw_tags.o report_hw_tags.o tags.o report_tags.o
+obj-$(CONFIG_KASAN_SW_TAGS) += init.o report_sw_tags.o shadow.o sw_tags.o tags.o report_tags.o
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 950fd37..efb5726 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -1,24 +1,18 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * This file contains common generic and tag-based KASAN code.
+ * This file contains common KASAN code.
  *
  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
  * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
  *
  * Some code borrowed from https://github.com/xairy/kasan-prototype by
  *        Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/export.h>
 #include <linux/init.h>
 #include <linux/kasan.h>
 #include <linux/kernel.h>
-#include <linux/kmemleak.h>
 #include <linux/linkage.h>
 #include <linux/memblock.h>
 #include <linux/memory.h>
@@ -31,31 +25,27 @@
 #include <linux/stacktrace.h>
 #include <linux/string.h>
 #include <linux/types.h>
-#include <linux/vmalloc.h>
 #include <linux/bug.h>
 
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
 #include "kasan.h"
 #include "../slab.h"
 
-depot_stack_handle_t kasan_save_stack(gfp_t flags)
+depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc)
 {
 	unsigned long entries[KASAN_STACK_DEPTH];
 	unsigned int nr_entries;
 
 	nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0);
-	nr_entries = filter_irq_stacks(entries, nr_entries);
-	return stack_depot_save(entries, nr_entries, flags);
+	return __stack_depot_save(entries, nr_entries, flags, can_alloc);
 }
 
 void kasan_set_track(struct kasan_track *track, gfp_t flags)
 {
 	track->pid = current->pid;
-	track->stack = kasan_save_stack(flags);
+	track->stack = kasan_save_stack(flags, true);
 }
 
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 void kasan_enable_current(void)
 {
 	current->kasan_depth++;
@@ -65,106 +55,20 @@
 {
 	current->kasan_depth--;
 }
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
 
-bool __kasan_check_read(const volatile void *p, unsigned int size)
+void __kasan_unpoison_range(const void *address, size_t size)
 {
-	return check_memory_region((unsigned long)p, size, false, _RET_IP_);
-}
-EXPORT_SYMBOL(__kasan_check_read);
-
-bool __kasan_check_write(const volatile void *p, unsigned int size)
-{
-	return check_memory_region((unsigned long)p, size, true, _RET_IP_);
-}
-EXPORT_SYMBOL(__kasan_check_write);
-
-#undef memset
-void *memset(void *addr, int c, size_t len)
-{
-	if (!check_memory_region((unsigned long)addr, len, true, _RET_IP_))
-		return NULL;
-
-	return __memset(addr, c, len);
+	kasan_unpoison(address, size, false);
 }
 
-#ifdef __HAVE_ARCH_MEMMOVE
-#undef memmove
-void *memmove(void *dest, const void *src, size_t len)
-{
-	if (!check_memory_region((unsigned long)src, len, false, _RET_IP_) ||
-	    !check_memory_region((unsigned long)dest, len, true, _RET_IP_))
-		return NULL;
-
-	return __memmove(dest, src, len);
-}
-#endif
-
-#undef memcpy
-void *memcpy(void *dest, const void *src, size_t len)
-{
-	if (!check_memory_region((unsigned long)src, len, false, _RET_IP_) ||
-	    !check_memory_region((unsigned long)dest, len, true, _RET_IP_))
-		return NULL;
-
-	return __memcpy(dest, src, len);
-}
-
-/*
- * Poisons the shadow memory for 'size' bytes starting from 'addr'.
- * Memory addresses should be aligned to KASAN_SHADOW_SCALE_SIZE.
- */
-void kasan_poison_shadow(const void *address, size_t size, u8 value)
-{
-	void *shadow_start, *shadow_end;
-
-	/*
-	 * Perform shadow offset calculation based on untagged address, as
-	 * some of the callers (e.g. kasan_poison_object_data) pass tagged
-	 * addresses to this function.
-	 */
-	address = reset_tag(address);
-
-	shadow_start = kasan_mem_to_shadow(address);
-	shadow_end = kasan_mem_to_shadow(address + size);
-
-	__memset(shadow_start, value, shadow_end - shadow_start);
-}
-
-void kasan_unpoison_shadow(const void *address, size_t size)
-{
-	u8 tag = get_tag(address);
-
-	/*
-	 * Perform shadow offset calculation based on untagged address, as
-	 * some of the callers (e.g. kasan_unpoison_object_data) pass tagged
-	 * addresses to this function.
-	 */
-	address = reset_tag(address);
-
-	kasan_poison_shadow(address, size, tag);
-
-	if (size & KASAN_SHADOW_MASK) {
-		u8 *shadow = (u8 *)kasan_mem_to_shadow(address + size);
-
-		if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
-			*shadow = tag;
-		else
-			*shadow = size & KASAN_SHADOW_MASK;
-	}
-}
-
-static void __kasan_unpoison_stack(struct task_struct *task, const void *sp)
-{
-	void *base = task_stack_page(task);
-	size_t size = sp - base;
-
-	kasan_unpoison_shadow(base, size);
-}
-
+#ifdef CONFIG_KASAN_STACK
 /* Unpoison the entire stack for a task. */
 void kasan_unpoison_task_stack(struct task_struct *task)
 {
-	__kasan_unpoison_stack(task, task_stack_page(task) + THREAD_SIZE);
+	void *base = task_stack_page(task);
+
+	kasan_unpoison(base, THREAD_SIZE, false);
 }
 
 /* Unpoison the stack for the current task beyond a watermark sp value. */
@@ -177,10 +81,22 @@
 	 */
 	void *base = (void *)((unsigned long)watermark & ~(THREAD_SIZE - 1));
 
-	kasan_unpoison_shadow(base, watermark - base);
+	kasan_unpoison(base, watermark - base, false);
+}
+#endif /* CONFIG_KASAN_STACK */
+
+/*
+ * Only allow cache merging when stack collection is disabled and no metadata
+ * is present.
+ */
+slab_flags_t __kasan_never_merge(void)
+{
+	if (kasan_stack_collection_enabled())
+		return SLAB_KASAN;
+	return 0;
 }
 
-void kasan_alloc_pages(struct page *page, unsigned int order)
+void __kasan_unpoison_pages(struct page *page, unsigned int order, bool init)
 {
 	u8 tag;
 	unsigned long i;
@@ -188,18 +104,17 @@
 	if (unlikely(PageHighMem(page)))
 		return;
 
-	tag = random_tag();
+	tag = kasan_random_tag();
 	for (i = 0; i < (1 << order); i++)
 		page_kasan_tag_set(page + i, tag);
-	kasan_unpoison_shadow(page_address(page), PAGE_SIZE << order);
+	kasan_unpoison(page_address(page), PAGE_SIZE << order, init);
 }
 
-void kasan_free_pages(struct page *page, unsigned int order)
+void __kasan_poison_pages(struct page *page, unsigned int order, bool init)
 {
 	if (likely(!PageHighMem(page)))
-		kasan_poison_shadow(page_address(page),
-				PAGE_SIZE << order,
-				KASAN_FREE_PAGE);
+		kasan_poison(page_address(page), PAGE_SIZE << order,
+			     KASAN_FREE_PAGE, init);
 }
 
 /*
@@ -208,9 +123,6 @@
  */
 static inline unsigned int optimal_redzone(unsigned int object_size)
 {
-	if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
-		return 0;
-
 	return
 		object_size <= 64        - 16   ? 16 :
 		object_size <= 128       - 32   ? 32 :
@@ -221,88 +133,135 @@
 		object_size <= (1 << 16) - 1024 ? 1024 : 2048;
 }
 
-void kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
-			slab_flags_t *flags)
+void __kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
+			  slab_flags_t *flags)
 {
-	unsigned int orig_size = *size;
-	unsigned int redzone_size;
-	int redzone_adjust;
+	unsigned int ok_size;
+	unsigned int optimal_size;
 
-	/* Add alloc meta. */
+	/*
+	 * SLAB_KASAN is used to mark caches as ones that are sanitized by
+	 * KASAN. Currently this flag is used in two places:
+	 * 1. In slab_ksize() when calculating the size of the accessible
+	 *    memory within the object.
+	 * 2. In slab_common.c to prevent merging of sanitized caches.
+	 */
+	*flags |= SLAB_KASAN;
+
+	if (!kasan_stack_collection_enabled())
+		return;
+
+	ok_size = *size;
+
+	/* Add alloc meta into redzone. */
 	cache->kasan_info.alloc_meta_offset = *size;
 	*size += sizeof(struct kasan_alloc_meta);
 
-	/* Add free meta. */
-	if (IS_ENABLED(CONFIG_KASAN_GENERIC) &&
-	    (cache->flags & SLAB_TYPESAFE_BY_RCU || cache->ctor ||
-	     cache->object_size < sizeof(struct kasan_free_meta))) {
-		cache->kasan_info.free_meta_offset = *size;
-		*size += sizeof(struct kasan_free_meta);
+	/*
+	 * If alloc meta doesn't fit, don't add it.
+	 * This can only happen with SLAB, as it has KMALLOC_MAX_SIZE equal
+	 * to KMALLOC_MAX_CACHE_SIZE and doesn't fall back to page_alloc for
+	 * larger sizes.
+	 */
+	if (*size > KMALLOC_MAX_SIZE) {
+		cache->kasan_info.alloc_meta_offset = 0;
+		*size = ok_size;
+		/* Continue, since free meta might still fit. */
 	}
 
-	redzone_size = optimal_redzone(cache->object_size);
-	redzone_adjust = redzone_size -	(*size - cache->object_size);
-	if (redzone_adjust > 0)
-		*size += redzone_adjust;
-
-	*size = min_t(unsigned int, KMALLOC_MAX_SIZE,
-			max(*size, cache->object_size + redzone_size));
-
-	/*
-	 * If the metadata doesn't fit, don't enable KASAN at all.
-	 */
-	if (*size <= cache->kasan_info.alloc_meta_offset ||
-			*size <= cache->kasan_info.free_meta_offset) {
-		cache->kasan_info.alloc_meta_offset = 0;
-		cache->kasan_info.free_meta_offset = 0;
-		*size = orig_size;
+	/* Only the generic mode uses free meta or flexible redzones. */
+	if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
+		cache->kasan_info.free_meta_offset = KASAN_NO_FREE_META;
 		return;
 	}
 
-	*flags |= SLAB_KASAN;
+	/*
+	 * Add free meta into redzone when it's not possible to store
+	 * it in the object. This is the case when:
+	 * 1. Object is SLAB_TYPESAFE_BY_RCU, which means that it can
+	 *    be touched after it was freed, or
+	 * 2. Object has a constructor, which means it's expected to
+	 *    retain its content until the next allocation, or
+	 * 3. Object is too small.
+	 * Otherwise cache->kasan_info.free_meta_offset = 0 is implied.
+	 */
+	if ((cache->flags & SLAB_TYPESAFE_BY_RCU) || cache->ctor ||
+	    cache->object_size < sizeof(struct kasan_free_meta)) {
+		ok_size = *size;
+
+		cache->kasan_info.free_meta_offset = *size;
+		*size += sizeof(struct kasan_free_meta);
+
+		/* If free meta doesn't fit, don't add it. */
+		if (*size > KMALLOC_MAX_SIZE) {
+			cache->kasan_info.free_meta_offset = KASAN_NO_FREE_META;
+			*size = ok_size;
+		}
+	}
+
+	/* Calculate size with optimal redzone. */
+	optimal_size = cache->object_size + optimal_redzone(cache->object_size);
+	/* Limit it with KMALLOC_MAX_SIZE (relevant for SLAB only). */
+	if (optimal_size > KMALLOC_MAX_SIZE)
+		optimal_size = KMALLOC_MAX_SIZE;
+	/* Use optimal size if the size with added metas is not large enough. */
+	if (*size < optimal_size)
+		*size = optimal_size;
 }
 
-size_t kasan_metadata_size(struct kmem_cache *cache)
+void __kasan_cache_create_kmalloc(struct kmem_cache *cache)
 {
+	cache->kasan_info.is_kmalloc = true;
+}
+
+size_t __kasan_metadata_size(struct kmem_cache *cache)
+{
+	if (!kasan_stack_collection_enabled())
+		return 0;
 	return (cache->kasan_info.alloc_meta_offset ?
 		sizeof(struct kasan_alloc_meta) : 0) +
 		(cache->kasan_info.free_meta_offset ?
 		sizeof(struct kasan_free_meta) : 0);
 }
 
-struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache,
-					const void *object)
+struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache,
+					      const void *object)
 {
-	return (void *)object + cache->kasan_info.alloc_meta_offset;
+	if (!cache->kasan_info.alloc_meta_offset)
+		return NULL;
+	return kasan_reset_tag(object) + cache->kasan_info.alloc_meta_offset;
 }
 
-struct kasan_free_meta *get_free_info(struct kmem_cache *cache,
-				      const void *object)
+#ifdef CONFIG_KASAN_GENERIC
+struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache,
+					    const void *object)
 {
 	BUILD_BUG_ON(sizeof(struct kasan_free_meta) > 32);
-	return (void *)object + cache->kasan_info.free_meta_offset;
+	if (cache->kasan_info.free_meta_offset == KASAN_NO_FREE_META)
+		return NULL;
+	return kasan_reset_tag(object) + cache->kasan_info.free_meta_offset;
 }
+#endif
 
-void kasan_poison_slab(struct page *page)
+void __kasan_poison_slab(struct page *page)
 {
 	unsigned long i;
 
 	for (i = 0; i < compound_nr(page); i++)
 		page_kasan_tag_reset(page + i);
-	kasan_poison_shadow(page_address(page), page_size(page),
-			KASAN_KMALLOC_REDZONE);
+	kasan_poison(page_address(page), page_size(page),
+		     KASAN_KMALLOC_REDZONE, false);
 }
 
-void kasan_unpoison_object_data(struct kmem_cache *cache, void *object)
+void __kasan_unpoison_object_data(struct kmem_cache *cache, void *object)
 {
-	kasan_unpoison_shadow(object, cache->object_size);
+	kasan_unpoison(object, cache->object_size, false);
 }
 
-void kasan_poison_object_data(struct kmem_cache *cache, void *object)
+void __kasan_poison_object_data(struct kmem_cache *cache, void *object)
 {
-	kasan_poison_shadow(object,
-			round_up(cache->object_size, KASAN_SHADOW_SCALE_SIZE),
-			KASAN_KMALLOC_REDZONE);
+	kasan_poison(object, round_up(cache->object_size, KASAN_GRANULE_SIZE),
+			KASAN_KMALLOC_REDZONE, false);
 }
 
 /*
@@ -319,82 +278,64 @@
  *    based on objects indexes, so that objects that are next to each other
  *    get different tags.
  */
-static u8 assign_tag(struct kmem_cache *cache, const void *object,
-			bool init, bool keep_tag)
+static inline u8 assign_tag(struct kmem_cache *cache,
+					const void *object, bool init)
 {
-	/*
-	 * 1. When an object is kmalloc()'ed, two hooks are called:
-	 *    kasan_slab_alloc() and kasan_kmalloc(). We assign the
-	 *    tag only in the first one.
-	 * 2. We reuse the same tag for krealloc'ed objects.
-	 */
-	if (keep_tag)
-		return get_tag(object);
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		return 0xff;
 
 	/*
 	 * If the cache neither has a constructor nor has SLAB_TYPESAFE_BY_RCU
 	 * set, assign a tag when the object is being allocated (init == false).
 	 */
 	if (!cache->ctor && !(cache->flags & SLAB_TYPESAFE_BY_RCU))
-		return init ? KASAN_TAG_KERNEL : random_tag();
+		return init ? KASAN_TAG_KERNEL : kasan_random_tag();
 
 	/* For caches that either have a constructor or SLAB_TYPESAFE_BY_RCU: */
 #ifdef CONFIG_SLAB
 	/* For SLAB assign tags based on the object index in the freelist. */
-	return (u8)obj_to_index(cache, virt_to_page(object), (void *)object);
+	return (u8)obj_to_index(cache, virt_to_head_page(object), (void *)object);
 #else
 	/*
 	 * For SLUB assign a random tag during slab creation, otherwise reuse
 	 * the already assigned tag.
 	 */
-	return init ? random_tag() : get_tag(object);
+	return init ? kasan_random_tag() : get_tag(object);
 #endif
 }
 
-void * __must_check kasan_init_slab_obj(struct kmem_cache *cache,
+void * __must_check __kasan_init_slab_obj(struct kmem_cache *cache,
 						const void *object)
 {
-	struct kasan_alloc_meta *alloc_info;
+	struct kasan_alloc_meta *alloc_meta;
 
-	if (!(cache->flags & SLAB_KASAN))
-		return (void *)object;
+	if (kasan_stack_collection_enabled()) {
+		alloc_meta = kasan_get_alloc_meta(cache, object);
+		if (alloc_meta)
+			__memset(alloc_meta, 0, sizeof(*alloc_meta));
+	}
 
-	alloc_info = get_alloc_info(cache, object);
-	__memset(alloc_info, 0, sizeof(*alloc_info));
-
-	if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
-		object = set_tag(object,
-				assign_tag(cache, object, true, false));
+	/* Tag is ignored in set_tag() without CONFIG_KASAN_SW/HW_TAGS */
+	object = set_tag(object, assign_tag(cache, object, true));
 
 	return (void *)object;
 }
 
-static inline bool shadow_invalid(u8 tag, s8 shadow_byte)
+static inline bool ____kasan_slab_free(struct kmem_cache *cache, void *object,
+				unsigned long ip, bool quarantine, bool init)
 {
-	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
-		return shadow_byte < 0 ||
-			shadow_byte >= KASAN_SHADOW_SCALE_SIZE;
-
-	/* else CONFIG_KASAN_SW_TAGS: */
-	if ((u8)shadow_byte == KASAN_TAG_INVALID)
-		return true;
-	if ((tag != KASAN_TAG_KERNEL) && (tag != (u8)shadow_byte))
-		return true;
-
-	return false;
-}
-
-static bool __kasan_slab_free(struct kmem_cache *cache, void *object,
-			      unsigned long ip, bool quarantine)
-{
-	s8 shadow_byte;
 	u8 tag;
 	void *tagged_object;
-	unsigned long rounded_up_size;
+
+	if (!kasan_arch_is_ready())
+		return false;
 
 	tag = get_tag(object);
 	tagged_object = object;
-	object = reset_tag(object);
+	object = kasan_reset_tag(object);
+
+	if (is_kfence_address(object))
+		return false;
 
 	if (unlikely(nearest_obj(cache, virt_to_head_page(object), object) !=
 	    object)) {
@@ -406,526 +347,241 @@
 	if (unlikely(cache->flags & SLAB_TYPESAFE_BY_RCU))
 		return false;
 
-	shadow_byte = READ_ONCE(*(s8 *)kasan_mem_to_shadow(object));
-	if (shadow_invalid(tag, shadow_byte)) {
+	if (!kasan_byte_accessible(tagged_object)) {
 		kasan_report_invalid_free(tagged_object, ip);
 		return true;
 	}
 
-	rounded_up_size = round_up(cache->object_size, KASAN_SHADOW_SCALE_SIZE);
-	kasan_poison_shadow(object, rounded_up_size, KASAN_KMALLOC_FREE);
+	kasan_poison(object, round_up(cache->object_size, KASAN_GRANULE_SIZE),
+			KASAN_KMALLOC_FREE, init);
 
-	if ((IS_ENABLED(CONFIG_KASAN_GENERIC) && !quarantine) ||
-			unlikely(!(cache->flags & SLAB_KASAN)))
+	if ((IS_ENABLED(CONFIG_KASAN_GENERIC) && !quarantine))
 		return false;
 
-	kasan_set_free_info(cache, object, tag);
+	if (kasan_stack_collection_enabled())
+		kasan_set_free_info(cache, object, tag);
 
-	quarantine_put(get_free_info(cache, object), cache);
-
-	return IS_ENABLED(CONFIG_KASAN_GENERIC);
+	return kasan_quarantine_put(cache, object);
 }
 
-bool kasan_slab_free(struct kmem_cache *cache, void *object, unsigned long ip)
+bool __kasan_slab_free(struct kmem_cache *cache, void *object,
+				unsigned long ip, bool init)
 {
-	return __kasan_slab_free(cache, object, ip, true);
+	return ____kasan_slab_free(cache, object, ip, true, init);
 }
 
-static void *__kasan_kmalloc(struct kmem_cache *cache, const void *object,
-				size_t size, gfp_t flags, bool keep_tag)
+static inline bool ____kasan_kfree_large(void *ptr, unsigned long ip)
 {
-	unsigned long redzone_start;
-	unsigned long redzone_end;
-	u8 tag = 0xff;
+	if (ptr != page_address(virt_to_head_page(ptr))) {
+		kasan_report_invalid_free(ptr, ip);
+		return true;
+	}
+
+	if (!kasan_byte_accessible(ptr)) {
+		kasan_report_invalid_free(ptr, ip);
+		return true;
+	}
+
+	/*
+	 * The object will be poisoned by kasan_poison_pages() or
+	 * kasan_slab_free_mempool().
+	 */
+
+	return false;
+}
+
+void __kasan_kfree_large(void *ptr, unsigned long ip)
+{
+	____kasan_kfree_large(ptr, ip);
+}
+
+void __kasan_slab_free_mempool(void *ptr, unsigned long ip)
+{
+	struct page *page;
+
+	page = virt_to_head_page(ptr);
+
+	/*
+	 * Even though this function is only called for kmem_cache_alloc and
+	 * kmalloc backed mempool allocations, those allocations can still be
+	 * !PageSlab() when the size provided to kmalloc is larger than
+	 * KMALLOC_MAX_SIZE, and kmalloc falls back onto page_alloc.
+	 */
+	if (unlikely(!PageSlab(page))) {
+		if (____kasan_kfree_large(ptr, ip))
+			return;
+		kasan_poison(ptr, page_size(page), KASAN_FREE_PAGE, false);
+	} else {
+		____kasan_slab_free(page->slab_cache, ptr, ip, false, false);
+	}
+}
+
+static void set_alloc_info(struct kmem_cache *cache, void *object,
+				gfp_t flags, bool is_kmalloc)
+{
+	struct kasan_alloc_meta *alloc_meta;
+
+	/* Don't save alloc info for kmalloc caches in kasan_slab_alloc(). */
+	if (cache->kasan_info.is_kmalloc && !is_kmalloc)
+		return;
+
+	alloc_meta = kasan_get_alloc_meta(cache, object);
+	if (alloc_meta)
+		kasan_set_track(&alloc_meta->alloc_track, flags);
+}
+
+void * __must_check __kasan_slab_alloc(struct kmem_cache *cache,
+					void *object, gfp_t flags, bool init)
+{
+	u8 tag;
+	void *tagged_object;
 
 	if (gfpflags_allow_blocking(flags))
-		quarantine_reduce();
+		kasan_quarantine_reduce();
 
 	if (unlikely(object == NULL))
 		return NULL;
 
-	redzone_start = round_up((unsigned long)(object + size),
-				KASAN_SHADOW_SCALE_SIZE);
-	redzone_end = round_up((unsigned long)object + cache->object_size,
-				KASAN_SHADOW_SCALE_SIZE);
+	if (is_kfence_address(object))
+		return (void *)object;
 
-	if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
-		tag = assign_tag(cache, object, false, keep_tag);
+	/*
+	 * Generate and assign random tag for tag-based modes.
+	 * Tag is ignored in set_tag() for the generic mode.
+	 */
+	tag = assign_tag(cache, object, false);
+	tagged_object = set_tag(object, tag);
 
-	/* Tag is ignored in set_tag without CONFIG_KASAN_SW_TAGS */
-	kasan_unpoison_shadow(set_tag(object, tag), size);
-	kasan_poison_shadow((void *)redzone_start, redzone_end - redzone_start,
-		KASAN_KMALLOC_REDZONE);
+	/*
+	 * Unpoison the whole object.
+	 * For kmalloc() allocations, kasan_kmalloc() will do precise poisoning.
+	 */
+	kasan_unpoison(tagged_object, cache->object_size, init);
 
-	if (cache->flags & SLAB_KASAN)
-		kasan_set_track(&get_alloc_info(cache, object)->alloc_track, flags);
+	/* Save alloc info (if possible) for non-kmalloc() allocations. */
+	if (kasan_stack_collection_enabled())
+		set_alloc_info(cache, (void *)object, flags, false);
 
-	return set_tag(object, tag);
+	return tagged_object;
 }
 
-void * __must_check kasan_slab_alloc(struct kmem_cache *cache, void *object,
-					gfp_t flags)
+static inline void *____kasan_kmalloc(struct kmem_cache *cache,
+				const void *object, size_t size, gfp_t flags)
 {
-	return __kasan_kmalloc(cache, object, cache->object_size, flags, false);
-}
-
-void * __must_check kasan_kmalloc(struct kmem_cache *cache, const void *object,
-				size_t size, gfp_t flags)
-{
-	return __kasan_kmalloc(cache, object, size, flags, true);
-}
-EXPORT_SYMBOL(kasan_kmalloc);
-
-void * __must_check kasan_kmalloc_large(const void *ptr, size_t size,
-						gfp_t flags)
-{
-	struct page *page;
 	unsigned long redzone_start;
 	unsigned long redzone_end;
 
 	if (gfpflags_allow_blocking(flags))
-		quarantine_reduce();
+		kasan_quarantine_reduce();
+
+	if (unlikely(object == NULL))
+		return NULL;
+
+	if (is_kfence_address(kasan_reset_tag(object)))
+		return (void *)object;
+
+	/*
+	 * The object has already been unpoisoned by kasan_slab_alloc() for
+	 * kmalloc() or by kasan_krealloc() for krealloc().
+	 */
+
+	/*
+	 * The redzone has byte-level precision for the generic mode.
+	 * Partially poison the last object granule to cover the unaligned
+	 * part of the redzone.
+	 */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		kasan_poison_last_granule((void *)object, size);
+
+	/* Poison the aligned part of the redzone. */
+	redzone_start = round_up((unsigned long)(object + size),
+				KASAN_GRANULE_SIZE);
+	redzone_end = round_up((unsigned long)(object + cache->object_size),
+				KASAN_GRANULE_SIZE);
+	kasan_poison((void *)redzone_start, redzone_end - redzone_start,
+			   KASAN_KMALLOC_REDZONE, false);
+
+	/*
+	 * Save alloc info (if possible) for kmalloc() allocations.
+	 * This also rewrites the alloc info when called from kasan_krealloc().
+	 */
+	if (kasan_stack_collection_enabled())
+		set_alloc_info(cache, (void *)object, flags, true);
+
+	/* Keep the tag that was set by kasan_slab_alloc(). */
+	return (void *)object;
+}
+
+void * __must_check __kasan_kmalloc(struct kmem_cache *cache, const void *object,
+					size_t size, gfp_t flags)
+{
+	return ____kasan_kmalloc(cache, object, size, flags);
+}
+EXPORT_SYMBOL(__kasan_kmalloc);
+
+void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size,
+						gfp_t flags)
+{
+	unsigned long redzone_start;
+	unsigned long redzone_end;
+
+	if (gfpflags_allow_blocking(flags))
+		kasan_quarantine_reduce();
 
 	if (unlikely(ptr == NULL))
 		return NULL;
 
-	page = virt_to_page(ptr);
-	redzone_start = round_up((unsigned long)(ptr + size),
-				KASAN_SHADOW_SCALE_SIZE);
-	redzone_end = (unsigned long)ptr + page_size(page);
+	/*
+	 * The object has already been unpoisoned by kasan_unpoison_pages() for
+	 * alloc_pages() or by kasan_krealloc() for krealloc().
+	 */
 
-	kasan_unpoison_shadow(ptr, size);
-	kasan_poison_shadow((void *)redzone_start, redzone_end - redzone_start,
-		KASAN_PAGE_REDZONE);
+	/*
+	 * The redzone has byte-level precision for the generic mode.
+	 * Partially poison the last object granule to cover the unaligned
+	 * part of the redzone.
+	 */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		kasan_poison_last_granule(ptr, size);
+
+	/* Poison the aligned part of the redzone. */
+	redzone_start = round_up((unsigned long)(ptr + size),
+				KASAN_GRANULE_SIZE);
+	redzone_end = (unsigned long)ptr + page_size(virt_to_page(ptr));
+	kasan_poison((void *)redzone_start, redzone_end - redzone_start,
+		     KASAN_PAGE_REDZONE, false);
 
 	return (void *)ptr;
 }
 
-void * __must_check kasan_krealloc(const void *object, size_t size, gfp_t flags)
+void * __must_check __kasan_krealloc(const void *object, size_t size, gfp_t flags)
 {
 	struct page *page;
 
 	if (unlikely(object == ZERO_SIZE_PTR))
 		return (void *)object;
 
+	/*
+	 * Unpoison the object's data.
+	 * Part of it might already have been unpoisoned, but it's unknown
+	 * how big that part is.
+	 */
+	kasan_unpoison(object, size, false);
+
 	page = virt_to_head_page(object);
 
+	/* Piggy-back on kmalloc() instrumentation to poison the redzone. */
 	if (unlikely(!PageSlab(page)))
-		return kasan_kmalloc_large(object, size, flags);
+		return __kasan_kmalloc_large(object, size, flags);
 	else
-		return __kasan_kmalloc(page->slab_cache, object, size,
-						flags, true);
+		return ____kasan_kmalloc(page->slab_cache, object, size, flags);
 }
 
-void kasan_poison_kfree(void *ptr, unsigned long ip)
+bool __kasan_check_byte(const void *address, unsigned long ip)
 {
-	struct page *page;
-
-	page = virt_to_head_page(ptr);
-
-	if (unlikely(!PageSlab(page))) {
-		if (ptr != page_address(page)) {
-			kasan_report_invalid_free(ptr, ip);
-			return;
-		}
-		kasan_poison_shadow(ptr, page_size(page), KASAN_FREE_PAGE);
-	} else {
-		__kasan_slab_free(page->slab_cache, ptr, ip, false);
-	}
-}
-
-void kasan_kfree_large(void *ptr, unsigned long ip)
-{
-	if (ptr != page_address(virt_to_head_page(ptr)))
-		kasan_report_invalid_free(ptr, ip);
-	/* The object will be poisoned by page_alloc. */
-}
-
-#ifndef CONFIG_KASAN_VMALLOC
-int kasan_module_alloc(void *addr, size_t size)
-{
-	void *ret;
-	size_t scaled_size;
-	size_t shadow_size;
-	unsigned long shadow_start;
-
-	shadow_start = (unsigned long)kasan_mem_to_shadow(addr);
-	scaled_size = (size + KASAN_SHADOW_MASK) >> KASAN_SHADOW_SCALE_SHIFT;
-	shadow_size = round_up(scaled_size, PAGE_SIZE);
-
-	if (WARN_ON(!PAGE_ALIGNED(shadow_start)))
-		return -EINVAL;
-
-	ret = __vmalloc_node_range(shadow_size, 1, shadow_start,
-			shadow_start + shadow_size,
-			GFP_KERNEL,
-			PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE,
-			__builtin_return_address(0));
-
-	if (ret) {
-		__memset(ret, KASAN_SHADOW_INIT, shadow_size);
-		find_vm_area(addr)->flags |= VM_KASAN;
-		kmemleak_ignore(ret);
-		return 0;
-	}
-
-	return -ENOMEM;
-}
-
-void kasan_free_shadow(const struct vm_struct *vm)
-{
-	if (vm->flags & VM_KASAN)
-		vfree(kasan_mem_to_shadow(vm->addr));
-}
-#endif
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-static bool shadow_mapped(unsigned long addr)
-{
-	pgd_t *pgd = pgd_offset_k(addr);
-	p4d_t *p4d;
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *pte;
-
-	if (pgd_none(*pgd))
+	if (!kasan_byte_accessible(address)) {
+		kasan_report((unsigned long)address, 1, false, ip);
 		return false;
-	p4d = p4d_offset(pgd, addr);
-	if (p4d_none(*p4d))
-		return false;
-	pud = pud_offset(p4d, addr);
-	if (pud_none(*pud))
-		return false;
-
-	/*
-	 * We can't use pud_large() or pud_huge(), the first one is
-	 * arch-specific, the last one depends on HUGETLB_PAGE.  So let's abuse
-	 * pud_bad(), if pud is bad then it's bad because it's huge.
-	 */
-	if (pud_bad(*pud))
-		return true;
-	pmd = pmd_offset(pud, addr);
-	if (pmd_none(*pmd))
-		return false;
-
-	if (pmd_bad(*pmd))
-		return true;
-	pte = pte_offset_kernel(pmd, addr);
-	return !pte_none(*pte);
-}
-
-static int __meminit kasan_mem_notifier(struct notifier_block *nb,
-			unsigned long action, void *data)
-{
-	struct memory_notify *mem_data = data;
-	unsigned long nr_shadow_pages, start_kaddr, shadow_start;
-	unsigned long shadow_end, shadow_size;
-
-	nr_shadow_pages = mem_data->nr_pages >> KASAN_SHADOW_SCALE_SHIFT;
-	start_kaddr = (unsigned long)pfn_to_kaddr(mem_data->start_pfn);
-	shadow_start = (unsigned long)kasan_mem_to_shadow((void *)start_kaddr);
-	shadow_size = nr_shadow_pages << PAGE_SHIFT;
-	shadow_end = shadow_start + shadow_size;
-
-	if (WARN_ON(mem_data->nr_pages % KASAN_SHADOW_SCALE_SIZE) ||
-		WARN_ON(start_kaddr % (KASAN_SHADOW_SCALE_SIZE << PAGE_SHIFT)))
-		return NOTIFY_BAD;
-
-	switch (action) {
-	case MEM_GOING_ONLINE: {
-		void *ret;
-
-		/*
-		 * If shadow is mapped already than it must have been mapped
-		 * during the boot. This could happen if we onlining previously
-		 * offlined memory.
-		 */
-		if (shadow_mapped(shadow_start))
-			return NOTIFY_OK;
-
-		ret = __vmalloc_node_range(shadow_size, PAGE_SIZE, shadow_start,
-					shadow_end, GFP_KERNEL,
-					PAGE_KERNEL, VM_NO_GUARD,
-					pfn_to_nid(mem_data->start_pfn),
-					__builtin_return_address(0));
-		if (!ret)
-			return NOTIFY_BAD;
-
-		kmemleak_ignore(ret);
-		return NOTIFY_OK;
 	}
-	case MEM_CANCEL_ONLINE:
-	case MEM_OFFLINE: {
-		struct vm_struct *vm;
-
-		/*
-		 * shadow_start was either mapped during boot by kasan_init()
-		 * or during memory online by __vmalloc_node_range().
-		 * In the latter case we can use vfree() to free shadow.
-		 * Non-NULL result of the find_vm_area() will tell us if
-		 * that was the second case.
-		 *
-		 * Currently it's not possible to free shadow mapped
-		 * during boot by kasan_init(). It's because the code
-		 * to do that hasn't been written yet. So we'll just
-		 * leak the memory.
-		 */
-		vm = find_vm_area((void *)shadow_start);
-		if (vm)
-			vfree((void *)shadow_start);
-	}
-	}
-
-	return NOTIFY_OK;
+	return true;
 }
-
-static int __init kasan_memhotplug_init(void)
-{
-	hotplug_memory_notifier(kasan_mem_notifier, 0);
-
-	return 0;
-}
-
-core_initcall(kasan_memhotplug_init);
-#endif
-
-#ifdef CONFIG_KASAN_VMALLOC
-static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr,
-				      void *unused)
-{
-	unsigned long page;
-	pte_t pte;
-
-	if (likely(!pte_none(*ptep)))
-		return 0;
-
-	page = __get_free_page(GFP_KERNEL);
-	if (!page)
-		return -ENOMEM;
-
-	memset((void *)page, KASAN_VMALLOC_INVALID, PAGE_SIZE);
-	pte = pfn_pte(PFN_DOWN(__pa(page)), PAGE_KERNEL);
-
-	spin_lock(&init_mm.page_table_lock);
-	if (likely(pte_none(*ptep))) {
-		set_pte_at(&init_mm, addr, ptep, pte);
-		page = 0;
-	}
-	spin_unlock(&init_mm.page_table_lock);
-	if (page)
-		free_page(page);
-	return 0;
-}
-
-int kasan_populate_vmalloc(unsigned long addr, unsigned long size)
-{
-	unsigned long shadow_start, shadow_end;
-	int ret;
-
-	if (!is_vmalloc_or_module_addr((void *)addr))
-		return 0;
-
-	shadow_start = (unsigned long)kasan_mem_to_shadow((void *)addr);
-	shadow_start = ALIGN_DOWN(shadow_start, PAGE_SIZE);
-	shadow_end = (unsigned long)kasan_mem_to_shadow((void *)addr + size);
-	shadow_end = ALIGN(shadow_end, PAGE_SIZE);
-
-	ret = apply_to_page_range(&init_mm, shadow_start,
-				  shadow_end - shadow_start,
-				  kasan_populate_vmalloc_pte, NULL);
-	if (ret)
-		return ret;
-
-	flush_cache_vmap(shadow_start, shadow_end);
-
-	/*
-	 * We need to be careful about inter-cpu effects here. Consider:
-	 *
-	 *   CPU#0				  CPU#1
-	 * WRITE_ONCE(p, vmalloc(100));		while (x = READ_ONCE(p)) ;
-	 *					p[99] = 1;
-	 *
-	 * With compiler instrumentation, that ends up looking like this:
-	 *
-	 *   CPU#0				  CPU#1
-	 * // vmalloc() allocates memory
-	 * // let a = area->addr
-	 * // we reach kasan_populate_vmalloc
-	 * // and call kasan_unpoison_shadow:
-	 * STORE shadow(a), unpoison_val
-	 * ...
-	 * STORE shadow(a+99), unpoison_val	x = LOAD p
-	 * // rest of vmalloc process		<data dependency>
-	 * STORE p, a				LOAD shadow(x+99)
-	 *
-	 * If there is no barrier between the end of unpoisioning the shadow
-	 * and the store of the result to p, the stores could be committed
-	 * in a different order by CPU#0, and CPU#1 could erroneously observe
-	 * poison in the shadow.
-	 *
-	 * We need some sort of barrier between the stores.
-	 *
-	 * In the vmalloc() case, this is provided by a smp_wmb() in
-	 * clear_vm_uninitialized_flag(). In the per-cpu allocator and in
-	 * get_vm_area() and friends, the caller gets shadow allocated but
-	 * doesn't have any pages mapped into the virtual address space that
-	 * has been reserved. Mapping those pages in will involve taking and
-	 * releasing a page-table lock, which will provide the barrier.
-	 */
-
-	return 0;
-}
-
-/*
- * Poison the shadow for a vmalloc region. Called as part of the
- * freeing process at the time the region is freed.
- */
-void kasan_poison_vmalloc(const void *start, unsigned long size)
-{
-	if (!is_vmalloc_or_module_addr(start))
-		return;
-
-	size = round_up(size, KASAN_SHADOW_SCALE_SIZE);
-	kasan_poison_shadow(start, size, KASAN_VMALLOC_INVALID);
-}
-
-void kasan_unpoison_vmalloc(const void *start, unsigned long size)
-{
-	if (!is_vmalloc_or_module_addr(start))
-		return;
-
-	kasan_unpoison_shadow(start, size);
-}
-
-static int kasan_depopulate_vmalloc_pte(pte_t *ptep, unsigned long addr,
-					void *unused)
-{
-	unsigned long page;
-
-	page = (unsigned long)__va(pte_pfn(*ptep) << PAGE_SHIFT);
-
-	spin_lock(&init_mm.page_table_lock);
-
-	if (likely(!pte_none(*ptep))) {
-		pte_clear(&init_mm, addr, ptep);
-		free_page(page);
-	}
-	spin_unlock(&init_mm.page_table_lock);
-
-	return 0;
-}
-
-/*
- * Release the backing for the vmalloc region [start, end), which
- * lies within the free region [free_region_start, free_region_end).
- *
- * This can be run lazily, long after the region was freed. It runs
- * under vmap_area_lock, so it's not safe to interact with the vmalloc/vmap
- * infrastructure.
- *
- * How does this work?
- * -------------------
- *
- * We have a region that is page aligned, labelled as A.
- * That might not map onto the shadow in a way that is page-aligned:
- *
- *                    start                     end
- *                    v                         v
- * |????????|????????|AAAAAAAA|AA....AA|AAAAAAAA|????????| < vmalloc
- *  -------- -------- --------          -------- --------
- *      |        |       |                 |        |
- *      |        |       |         /-------/        |
- *      \-------\|/------/         |/---------------/
- *              |||                ||
- *             |??AAAAAA|AAAAAAAA|AA??????|                < shadow
- *                 (1)      (2)      (3)
- *
- * First we align the start upwards and the end downwards, so that the
- * shadow of the region aligns with shadow page boundaries. In the
- * example, this gives us the shadow page (2). This is the shadow entirely
- * covered by this allocation.
- *
- * Then we have the tricky bits. We want to know if we can free the
- * partially covered shadow pages - (1) and (3) in the example. For this,
- * we are given the start and end of the free region that contains this
- * allocation. Extending our previous example, we could have:
- *
- *  free_region_start                                    free_region_end
- *  |                 start                     end      |
- *  v                 v                         v        v
- * |FFFFFFFF|FFFFFFFF|AAAAAAAA|AA....AA|AAAAAAAA|FFFFFFFF| < vmalloc
- *  -------- -------- --------          -------- --------
- *      |        |       |                 |        |
- *      |        |       |         /-------/        |
- *      \-------\|/------/         |/---------------/
- *              |||                ||
- *             |FFAAAAAA|AAAAAAAA|AAF?????|                < shadow
- *                 (1)      (2)      (3)
- *
- * Once again, we align the start of the free region up, and the end of
- * the free region down so that the shadow is page aligned. So we can free
- * page (1) - we know no allocation currently uses anything in that page,
- * because all of it is in the vmalloc free region. But we cannot free
- * page (3), because we can't be sure that the rest of it is unused.
- *
- * We only consider pages that contain part of the original region for
- * freeing: we don't try to free other pages from the free region or we'd
- * end up trying to free huge chunks of virtual address space.
- *
- * Concurrency
- * -----------
- *
- * How do we know that we're not freeing a page that is simultaneously
- * being used for a fresh allocation in kasan_populate_vmalloc(_pte)?
- *
- * We _can_ have kasan_release_vmalloc and kasan_populate_vmalloc running
- * at the same time. While we run under free_vmap_area_lock, the population
- * code does not.
- *
- * free_vmap_area_lock instead operates to ensure that the larger range
- * [free_region_start, free_region_end) is safe: because __alloc_vmap_area and
- * the per-cpu region-finding algorithm both run under free_vmap_area_lock,
- * no space identified as free will become used while we are running. This
- * means that so long as we are careful with alignment and only free shadow
- * pages entirely covered by the free region, we will not run in to any
- * trouble - any simultaneous allocations will be for disjoint regions.
- */
-void kasan_release_vmalloc(unsigned long start, unsigned long end,
-			   unsigned long free_region_start,
-			   unsigned long free_region_end)
-{
-	void *shadow_start, *shadow_end;
-	unsigned long region_start, region_end;
-	unsigned long size;
-
-	region_start = ALIGN(start, PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
-	region_end = ALIGN_DOWN(end, PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
-
-	free_region_start = ALIGN(free_region_start,
-				  PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
-
-	if (start != region_start &&
-	    free_region_start < region_start)
-		region_start -= PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE;
-
-	free_region_end = ALIGN_DOWN(free_region_end,
-				     PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
-
-	if (end != region_end &&
-	    free_region_end > region_end)
-		region_end += PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE;
-
-	shadow_start = kasan_mem_to_shadow((void *)region_start);
-	shadow_end = kasan_mem_to_shadow((void *)region_end);
-
-	if (shadow_end > shadow_start) {
-		size = shadow_end - shadow_start;
-		apply_to_existing_page_range(&init_mm,
-					     (unsigned long)shadow_start,
-					     size, kasan_depopulate_vmalloc_pte,
-					     NULL);
-		flush_tlb_kernel_range((unsigned long)shadow_start,
-				       (unsigned long)shadow_end);
-	}
-}
-#endif
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c
index 248264b9..84a038b 100644
--- a/mm/kasan/generic.c
+++ b/mm/kasan/generic.c
@@ -7,20 +7,14 @@
  *
  * Some code borrowed from https://github.com/xairy/kasan-prototype by
  *        Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
 #include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/kasan.h>
 #include <linux/kernel.h>
+#include <linux/kfence.h>
 #include <linux/kmemleak.h>
 #include <linux/linkage.h>
 #include <linux/memblock.h>
@@ -51,7 +45,7 @@
 	s8 shadow_value = *(s8 *)kasan_mem_to_shadow((void *)addr);
 
 	if (unlikely(shadow_value)) {
-		s8 last_accessible_byte = addr & KASAN_SHADOW_MASK;
+		s8 last_accessible_byte = addr & KASAN_GRANULE_MASK;
 		return unlikely(last_accessible_byte >= shadow_value);
 	}
 
@@ -67,7 +61,7 @@
 	 * Access crosses 8(shadow size)-byte boundary. Such access maps
 	 * into 2 shadow bytes, so we need to check them both.
 	 */
-	if (unlikely(((addr + size - 1) & KASAN_SHADOW_MASK) < size - 1))
+	if (unlikely(((addr + size - 1) & KASAN_GRANULE_MASK) < size - 1))
 		return *shadow_addr || memory_is_poisoned_1(addr + size - 1);
 
 	return memory_is_poisoned_1(addr + size - 1);
@@ -78,7 +72,7 @@
 	u16 *shadow_addr = (u16 *)kasan_mem_to_shadow((void *)addr);
 
 	/* Unaligned 16-bytes access maps into 3 shadow bytes. */
-	if (unlikely(!IS_ALIGNED(addr, KASAN_SHADOW_SCALE_SIZE)))
+	if (unlikely(!IS_ALIGNED(addr, KASAN_GRANULE_SIZE)))
 		return *shadow_addr || memory_is_poisoned_1(addr + 15);
 
 	return *shadow_addr;
@@ -139,7 +133,7 @@
 		s8 *last_shadow = (s8 *)kasan_mem_to_shadow((void *)last_byte);
 
 		if (unlikely(ret != (unsigned long)last_shadow ||
-			((long)(last_byte & KASAN_SHADOW_MASK) >= *last_shadow)))
+			((long)(last_byte & KASAN_GRANULE_MASK) >= *last_shadow)))
 			return true;
 	}
 	return false;
@@ -165,10 +159,13 @@
 	return memory_is_poisoned_n(addr, size);
 }
 
-static __always_inline bool check_memory_region_inline(unsigned long addr,
+static __always_inline bool check_region_inline(unsigned long addr,
 						size_t size, bool write,
 						unsigned long ret_ip)
 {
+	if (!kasan_arch_is_ready())
+		return true;
+
 	if (unlikely(size == 0))
 		return true;
 
@@ -186,32 +183,39 @@
 	return !kasan_report(addr, size, write, ret_ip);
 }
 
-bool check_memory_region(unsigned long addr, size_t size, bool write,
-				unsigned long ret_ip)
+bool kasan_check_range(unsigned long addr, size_t size, bool write,
+					unsigned long ret_ip)
 {
-	return check_memory_region_inline(addr, size, write, ret_ip);
+	return check_region_inline(addr, size, write, ret_ip);
+}
+
+bool kasan_byte_accessible(const void *addr)
+{
+	s8 shadow_byte = READ_ONCE(*(s8 *)kasan_mem_to_shadow(addr));
+
+	return shadow_byte >= 0 && shadow_byte < KASAN_GRANULE_SIZE;
 }
 
 void kasan_cache_shrink(struct kmem_cache *cache)
 {
-	quarantine_remove_cache(cache);
+	kasan_quarantine_remove_cache(cache);
 }
 
 void kasan_cache_shutdown(struct kmem_cache *cache)
 {
 	if (!__kmem_cache_empty(cache))
-		quarantine_remove_cache(cache);
+		kasan_quarantine_remove_cache(cache);
 }
 
 static void register_global(struct kasan_global *global)
 {
-	size_t aligned_size = round_up(global->size, KASAN_SHADOW_SCALE_SIZE);
+	size_t aligned_size = round_up(global->size, KASAN_GRANULE_SIZE);
 
-	kasan_unpoison_shadow(global->beg, global->size);
+	kasan_unpoison(global->beg, global->size, false);
 
-	kasan_poison_shadow(global->beg + aligned_size,
-		global->size_with_redzone - aligned_size,
-		KASAN_GLOBAL_REDZONE);
+	kasan_poison(global->beg + aligned_size,
+		     global->size_with_redzone - aligned_size,
+		     KASAN_GLOBAL_REDZONE, false);
 }
 
 void __asan_register_globals(struct kasan_global *globals, size_t size)
@@ -231,7 +235,7 @@
 #define DEFINE_ASAN_LOAD_STORE(size)					\
 	void __asan_load##size(unsigned long addr)			\
 	{								\
-		check_memory_region_inline(addr, size, false, _RET_IP_);\
+		check_region_inline(addr, size, false, _RET_IP_);	\
 	}								\
 	EXPORT_SYMBOL(__asan_load##size);				\
 	__alias(__asan_load##size)					\
@@ -239,7 +243,7 @@
 	EXPORT_SYMBOL(__asan_load##size##_noabort);			\
 	void __asan_store##size(unsigned long addr)			\
 	{								\
-		check_memory_region_inline(addr, size, true, _RET_IP_);	\
+		check_region_inline(addr, size, true, _RET_IP_);	\
 	}								\
 	EXPORT_SYMBOL(__asan_store##size);				\
 	__alias(__asan_store##size)					\
@@ -254,7 +258,7 @@
 
 void __asan_loadN(unsigned long addr, size_t size)
 {
-	check_memory_region(addr, size, false, _RET_IP_);
+	kasan_check_range(addr, size, false, _RET_IP_);
 }
 EXPORT_SYMBOL(__asan_loadN);
 
@@ -264,7 +268,7 @@
 
 void __asan_storeN(unsigned long addr, size_t size)
 {
-	check_memory_region(addr, size, true, _RET_IP_);
+	kasan_check_range(addr, size, true, _RET_IP_);
 }
 EXPORT_SYMBOL(__asan_storeN);
 
@@ -279,10 +283,10 @@
 /* Emitted by compiler to poison alloca()ed objects. */
 void __asan_alloca_poison(unsigned long addr, size_t size)
 {
-	size_t rounded_up_size = round_up(size, KASAN_SHADOW_SCALE_SIZE);
+	size_t rounded_up_size = round_up(size, KASAN_GRANULE_SIZE);
 	size_t padding_size = round_up(size, KASAN_ALLOCA_REDZONE_SIZE) -
 			rounded_up_size;
-	size_t rounded_down_size = round_down(size, KASAN_SHADOW_SCALE_SIZE);
+	size_t rounded_down_size = round_down(size, KASAN_GRANULE_SIZE);
 
 	const void *left_redzone = (const void *)(addr -
 			KASAN_ALLOCA_REDZONE_SIZE);
@@ -290,13 +294,12 @@
 
 	WARN_ON(!IS_ALIGNED(addr, KASAN_ALLOCA_REDZONE_SIZE));
 
-	kasan_unpoison_shadow((const void *)(addr + rounded_down_size),
-			      size - rounded_down_size);
-	kasan_poison_shadow(left_redzone, KASAN_ALLOCA_REDZONE_SIZE,
-			KASAN_ALLOCA_LEFT);
-	kasan_poison_shadow(right_redzone,
-			padding_size + KASAN_ALLOCA_REDZONE_SIZE,
-			KASAN_ALLOCA_RIGHT);
+	kasan_unpoison((const void *)(addr + rounded_down_size),
+			size - rounded_down_size, false);
+	kasan_poison(left_redzone, KASAN_ALLOCA_REDZONE_SIZE,
+		     KASAN_ALLOCA_LEFT, false);
+	kasan_poison(right_redzone, padding_size + KASAN_ALLOCA_REDZONE_SIZE,
+		     KASAN_ALLOCA_RIGHT, false);
 }
 EXPORT_SYMBOL(__asan_alloca_poison);
 
@@ -306,7 +309,7 @@
 	if (unlikely(!stack_top || stack_top > stack_bottom))
 		return;
 
-	kasan_unpoison_shadow(stack_top, stack_bottom - stack_top);
+	kasan_unpoison(stack_top, stack_bottom - stack_top, false);
 }
 EXPORT_SYMBOL(__asan_allocas_unpoison);
 
@@ -325,25 +328,34 @@
 DEFINE_ASAN_SET_SHADOW(f5);
 DEFINE_ASAN_SET_SHADOW(f8);
 
-void kasan_record_aux_stack(void *addr)
+static void __kasan_record_aux_stack(void *addr, bool can_alloc)
 {
 	struct page *page = kasan_addr_to_page(addr);
 	struct kmem_cache *cache;
-	struct kasan_alloc_meta *alloc_info;
+	struct kasan_alloc_meta *alloc_meta;
 	void *object;
 
-	if (!(page && PageSlab(page)))
+	if (is_kfence_address(addr) || !(page && PageSlab(page)))
 		return;
 
 	cache = page->slab_cache;
 	object = nearest_obj(cache, page, addr);
-	alloc_info = get_alloc_info(cache, object);
+	alloc_meta = kasan_get_alloc_meta(cache, object);
+	if (!alloc_meta)
+		return;
 
-	/*
-	 * record the last two call_rcu() call stacks.
-	 */
-	alloc_info->aux_stack[1] = alloc_info->aux_stack[0];
-	alloc_info->aux_stack[0] = kasan_save_stack(GFP_NOWAIT);
+	alloc_meta->aux_stack[1] = alloc_meta->aux_stack[0];
+	alloc_meta->aux_stack[0] = kasan_save_stack(GFP_NOWAIT, can_alloc);
+}
+
+void kasan_record_aux_stack(void *addr)
+{
+	return __kasan_record_aux_stack(addr, true);
+}
+
+void kasan_record_aux_stack_noalloc(void *addr)
+{
+	return __kasan_record_aux_stack(addr, false);
 }
 
 void kasan_set_free_info(struct kmem_cache *cache,
@@ -351,12 +363,12 @@
 {
 	struct kasan_free_meta *free_meta;
 
-	free_meta = get_free_info(cache, object);
-	kasan_set_track(&free_meta->free_track, GFP_NOWAIT);
+	free_meta = kasan_get_free_meta(cache, object);
+	if (!free_meta)
+		return;
 
-	/*
-	 *  the object was freed and has free track set
-	 */
+	kasan_set_track(&free_meta->free_track, GFP_NOWAIT);
+	/* The object was freed and has free track set. */
 	*(u8 *)kasan_mem_to_shadow(object) = KASAN_KMALLOC_FREETRACK;
 }
 
@@ -365,5 +377,6 @@
 {
 	if (*(u8 *)kasan_mem_to_shadow(object) != KASAN_KMALLOC_FREETRACK)
 		return NULL;
-	return &get_free_info(cache, object)->free_track;
+	/* Free meta must be present with KASAN_KMALLOC_FREETRACK. */
+	return &kasan_get_free_meta(cache, object)->free_track;
 }
diff --git a/mm/kasan/generic_report.c b/mm/kasan/generic_report.c
deleted file mode 100644
index a38c7a9..0000000
--- a/mm/kasan/generic_report.c
+++ /dev/null
@@ -1,165 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * This file contains generic KASAN specific error reporting code.
- *
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
- * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
- *
- * Some code borrowed from https://github.com/xairy/kasan-prototype by
- *        Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/bitops.h>
-#include <linux/ftrace.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/printk.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/stackdepot.h>
-#include <linux/stacktrace.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/kasan.h>
-#include <linux/module.h>
-
-#include <asm/sections.h>
-
-#include "kasan.h"
-#include "../slab.h"
-
-void *find_first_bad_addr(void *addr, size_t size)
-{
-	void *p = addr;
-
-	while (p < addr + size && !(*(u8 *)kasan_mem_to_shadow(p)))
-		p += KASAN_SHADOW_SCALE_SIZE;
-	return p;
-}
-
-static const char *get_shadow_bug_type(struct kasan_access_info *info)
-{
-	const char *bug_type = "unknown-crash";
-	u8 *shadow_addr;
-
-	shadow_addr = (u8 *)kasan_mem_to_shadow(info->first_bad_addr);
-
-	/*
-	 * If shadow byte value is in [0, KASAN_SHADOW_SCALE_SIZE) we can look
-	 * at the next shadow byte to determine the type of the bad access.
-	 */
-	if (*shadow_addr > 0 && *shadow_addr <= KASAN_SHADOW_SCALE_SIZE - 1)
-		shadow_addr++;
-
-	switch (*shadow_addr) {
-	case 0 ... KASAN_SHADOW_SCALE_SIZE - 1:
-		/*
-		 * In theory it's still possible to see these shadow values
-		 * due to a data race in the kernel code.
-		 */
-		bug_type = "out-of-bounds";
-		break;
-	case KASAN_PAGE_REDZONE:
-	case KASAN_KMALLOC_REDZONE:
-		bug_type = "slab-out-of-bounds";
-		break;
-	case KASAN_GLOBAL_REDZONE:
-		bug_type = "global-out-of-bounds";
-		break;
-	case KASAN_STACK_LEFT:
-	case KASAN_STACK_MID:
-	case KASAN_STACK_RIGHT:
-	case KASAN_STACK_PARTIAL:
-		bug_type = "stack-out-of-bounds";
-		break;
-	case KASAN_FREE_PAGE:
-	case KASAN_KMALLOC_FREE:
-	case KASAN_KMALLOC_FREETRACK:
-		bug_type = "use-after-free";
-		break;
-	case KASAN_ALLOCA_LEFT:
-	case KASAN_ALLOCA_RIGHT:
-		bug_type = "alloca-out-of-bounds";
-		break;
-	case KASAN_VMALLOC_INVALID:
-		bug_type = "vmalloc-out-of-bounds";
-		break;
-	}
-
-	return bug_type;
-}
-
-static const char *get_wild_bug_type(struct kasan_access_info *info)
-{
-	const char *bug_type = "unknown-crash";
-
-	if ((unsigned long)info->access_addr < PAGE_SIZE)
-		bug_type = "null-ptr-deref";
-	else if ((unsigned long)info->access_addr < TASK_SIZE)
-		bug_type = "user-memory-access";
-	else
-		bug_type = "wild-memory-access";
-
-	return bug_type;
-}
-
-const char *get_bug_type(struct kasan_access_info *info)
-{
-	/*
-	 * If access_size is a negative number, then it has reason to be
-	 * defined as out-of-bounds bug type.
-	 *
-	 * Casting negative numbers to size_t would indeed turn up as
-	 * a large size_t and its value will be larger than ULONG_MAX/2,
-	 * so that this can qualify as out-of-bounds.
-	 */
-	if (info->access_addr + info->access_size < info->access_addr)
-		return "out-of-bounds";
-
-	if (addr_has_shadow(info->access_addr))
-		return get_shadow_bug_type(info);
-	return get_wild_bug_type(info);
-}
-
-#define DEFINE_ASAN_REPORT_LOAD(size)                     \
-void __asan_report_load##size##_noabort(unsigned long addr) \
-{                                                         \
-	kasan_report(addr, size, false, _RET_IP_);	  \
-}                                                         \
-EXPORT_SYMBOL(__asan_report_load##size##_noabort)
-
-#define DEFINE_ASAN_REPORT_STORE(size)                     \
-void __asan_report_store##size##_noabort(unsigned long addr) \
-{                                                          \
-	kasan_report(addr, size, true, _RET_IP_);	   \
-}                                                          \
-EXPORT_SYMBOL(__asan_report_store##size##_noabort)
-
-DEFINE_ASAN_REPORT_LOAD(1);
-DEFINE_ASAN_REPORT_LOAD(2);
-DEFINE_ASAN_REPORT_LOAD(4);
-DEFINE_ASAN_REPORT_LOAD(8);
-DEFINE_ASAN_REPORT_LOAD(16);
-DEFINE_ASAN_REPORT_STORE(1);
-DEFINE_ASAN_REPORT_STORE(2);
-DEFINE_ASAN_REPORT_STORE(4);
-DEFINE_ASAN_REPORT_STORE(8);
-DEFINE_ASAN_REPORT_STORE(16);
-
-void __asan_report_load_n_noabort(unsigned long addr, size_t size)
-{
-	kasan_report(addr, size, false, _RET_IP_);
-}
-EXPORT_SYMBOL(__asan_report_load_n_noabort);
-
-void __asan_report_store_n_noabort(unsigned long addr, size_t size)
-{
-	kasan_report(addr, size, true, _RET_IP_);
-}
-EXPORT_SYMBOL(__asan_report_store_n_noabort);
diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c
new file mode 100644
index 0000000..9e1b654
--- /dev/null
+++ b/mm/kasan/hw_tags.c
@@ -0,0 +1,359 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains core hardware tag-based KASAN code.
+ *
+ * Copyright (c) 2020 Google, Inc.
+ * Author: Andrey Konovalov <andreyknvl@google.com>
+ */
+
+#define pr_fmt(fmt) "kasan: " fmt
+
+#include <linux/init.h>
+#include <linux/kasan.h>
+#include <linux/kernel.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/static_key.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include "kasan.h"
+
+enum kasan_arg {
+	KASAN_ARG_DEFAULT,
+	KASAN_ARG_OFF,
+	KASAN_ARG_ON,
+};
+
+enum kasan_arg_mode {
+	KASAN_ARG_MODE_DEFAULT,
+	KASAN_ARG_MODE_SYNC,
+	KASAN_ARG_MODE_ASYNC,
+	KASAN_ARG_MODE_ASYMM,
+};
+
+enum kasan_arg_vmalloc {
+	KASAN_ARG_VMALLOC_DEFAULT,
+	KASAN_ARG_VMALLOC_OFF,
+	KASAN_ARG_VMALLOC_ON,
+};
+
+enum kasan_arg_stacktrace {
+	KASAN_ARG_STACKTRACE_DEFAULT,
+	KASAN_ARG_STACKTRACE_OFF,
+	KASAN_ARG_STACKTRACE_ON,
+};
+
+static enum kasan_arg kasan_arg __ro_after_init;
+static enum kasan_arg_mode kasan_arg_mode __ro_after_init;
+static enum kasan_arg_vmalloc kasan_arg_vmalloc __initdata;
+static enum kasan_arg_stacktrace kasan_arg_stacktrace __initdata;
+
+/*
+ * Whether KASAN is enabled at all.
+ * The value remains false until KASAN is initialized by kasan_init_hw_tags().
+ */
+DEFINE_STATIC_KEY_FALSE(kasan_flag_enabled);
+EXPORT_SYMBOL(kasan_flag_enabled);
+
+/*
+ * Whether the selected mode is synchronous, asynchronous, or asymmetric.
+ * Defaults to KASAN_MODE_SYNC.
+ */
+enum kasan_mode kasan_mode __ro_after_init;
+EXPORT_SYMBOL_GPL(kasan_mode);
+
+/* Whether to enable vmalloc tagging. */
+DEFINE_STATIC_KEY_TRUE(kasan_flag_vmalloc);
+
+/* Whether to collect alloc/free stack traces. */
+DEFINE_STATIC_KEY_TRUE(kasan_flag_stacktrace);
+
+/* kasan=off/on */
+static int __init early_kasan_flag(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	if (!strcmp(arg, "off"))
+		kasan_arg = KASAN_ARG_OFF;
+	else if (!strcmp(arg, "on"))
+		kasan_arg = KASAN_ARG_ON;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+early_param("kasan", early_kasan_flag);
+
+/* kasan.mode=sync/async/asymm */
+static int __init early_kasan_mode(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	if (!strcmp(arg, "sync"))
+		kasan_arg_mode = KASAN_ARG_MODE_SYNC;
+	else if (!strcmp(arg, "async"))
+		kasan_arg_mode = KASAN_ARG_MODE_ASYNC;
+	else if (!strcmp(arg, "asymm"))
+		kasan_arg_mode = KASAN_ARG_MODE_ASYMM;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+early_param("kasan.mode", early_kasan_mode);
+
+/* kasan.vmalloc=off/on */
+static int __init early_kasan_flag_vmalloc(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	if (!strcmp(arg, "off"))
+		kasan_arg_vmalloc = KASAN_ARG_VMALLOC_OFF;
+	else if (!strcmp(arg, "on"))
+		kasan_arg_vmalloc = KASAN_ARG_VMALLOC_ON;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+early_param("kasan.vmalloc", early_kasan_flag_vmalloc);
+
+/* kasan.stacktrace=off/on */
+static int __init early_kasan_flag_stacktrace(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	if (!strcmp(arg, "off"))
+		kasan_arg_stacktrace = KASAN_ARG_STACKTRACE_OFF;
+	else if (!strcmp(arg, "on"))
+		kasan_arg_stacktrace = KASAN_ARG_STACKTRACE_ON;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+early_param("kasan.stacktrace", early_kasan_flag_stacktrace);
+
+static inline const char *kasan_mode_info(void)
+{
+	if (kasan_mode == KASAN_MODE_ASYNC)
+		return "async";
+	else if (kasan_mode == KASAN_MODE_ASYMM)
+		return "asymm";
+	else
+		return "sync";
+}
+
+/*
+ * kasan_init_hw_tags_cpu() is called for each CPU.
+ * Not marked as __init as a CPU can be hot-plugged after boot.
+ */
+void kasan_init_hw_tags_cpu(void)
+{
+	/*
+	 * There's no need to check that the hardware is MTE-capable here,
+	 * as this function is only called for MTE-capable hardware.
+	 */
+
+	/*
+	 * If KASAN is disabled via command line, don't initialize it.
+	 * When this function is called, kasan_flag_enabled is not yet
+	 * set by kasan_init_hw_tags(). Thus, check kasan_arg instead.
+	 */
+	if (kasan_arg == KASAN_ARG_OFF)
+		return;
+
+	/*
+	 * Enable async or asymm modes only when explicitly requested
+	 * through the command line.
+	 */
+	kasan_enable_tagging();
+}
+
+/* kasan_init_hw_tags() is called once on boot CPU. */
+void __init kasan_init_hw_tags(void)
+{
+	/* If hardware doesn't support MTE, don't initialize KASAN. */
+	if (!system_supports_mte())
+		return;
+
+	/* If KASAN is disabled via command line, don't initialize it. */
+	if (kasan_arg == KASAN_ARG_OFF)
+		return;
+
+	switch (kasan_arg_mode) {
+	case KASAN_ARG_MODE_DEFAULT:
+		/* Default is specified by kasan_mode definition. */
+		break;
+	case KASAN_ARG_MODE_SYNC:
+		kasan_mode = KASAN_MODE_SYNC;
+		break;
+	case KASAN_ARG_MODE_ASYNC:
+		kasan_mode = KASAN_MODE_ASYNC;
+		break;
+	case KASAN_ARG_MODE_ASYMM:
+		kasan_mode = KASAN_MODE_ASYMM;
+		break;
+	}
+
+	switch (kasan_arg_vmalloc) {
+	case KASAN_ARG_VMALLOC_DEFAULT:
+		/* Default is specified by kasan_flag_vmalloc definition. */
+		break;
+	case KASAN_ARG_VMALLOC_OFF:
+		static_branch_disable(&kasan_flag_vmalloc);
+		break;
+	case KASAN_ARG_VMALLOC_ON:
+		static_branch_enable(&kasan_flag_vmalloc);
+		break;
+	}
+
+	switch (kasan_arg_stacktrace) {
+	case KASAN_ARG_STACKTRACE_DEFAULT:
+		/* Default is specified by kasan_flag_stacktrace definition. */
+		break;
+	case KASAN_ARG_STACKTRACE_OFF:
+		static_branch_disable(&kasan_flag_stacktrace);
+		break;
+	case KASAN_ARG_STACKTRACE_ON:
+		static_branch_enable(&kasan_flag_stacktrace);
+		break;
+	}
+
+	/* KASAN is now initialized, enable it. */
+	static_branch_enable(&kasan_flag_enabled);
+
+	pr_info("KernelAddressSanitizer initialized (hw-tags, mode=%s, vmalloc=%s, stacktrace=%s)\n",
+		kasan_mode_info(),
+		kasan_vmalloc_enabled() ? "on" : "off",
+		kasan_stack_collection_enabled() ? "on" : "off");
+}
+
+#ifdef CONFIG_KASAN_VMALLOC
+
+static void unpoison_vmalloc_pages(const void *addr, u8 tag)
+{
+	struct vm_struct *area;
+	int i;
+
+	/*
+	 * As hardware tag-based KASAN only tags VM_ALLOC vmalloc allocations
+	 * (see the comment in __kasan_unpoison_vmalloc), all of the pages
+	 * should belong to a single area.
+	 */
+	area = find_vm_area((void *)addr);
+	if (WARN_ON(!area))
+		return;
+
+	for (i = 0; i < area->nr_pages; i++) {
+		struct page *page = area->pages[i];
+
+		page_kasan_tag_set(page, tag);
+	}
+}
+
+void *__kasan_unpoison_vmalloc(const void *start, unsigned long size,
+				kasan_vmalloc_flags_t flags)
+{
+	u8 tag;
+	unsigned long redzone_start, redzone_size;
+
+	if (!kasan_vmalloc_enabled())
+		return (void *)start;
+
+	if (!is_vmalloc_or_module_addr(start))
+		return (void *)start;
+
+	/*
+	 * Skip unpoisoning and assigning a pointer tag for non-VM_ALLOC
+	 * mappings as:
+	 *
+	 * 1. Unlike the software KASAN modes, hardware tag-based KASAN only
+	 *    supports tagging physical memory. Therefore, it can only tag a
+	 *    single mapping of normal physical pages.
+	 * 2. Hardware tag-based KASAN can only tag memory mapped with special
+	 *    mapping protection bits, see arch_vmalloc_pgprot_modify().
+	 *    As non-VM_ALLOC mappings can be mapped outside of vmalloc code,
+	 *    providing these bits would require tracking all non-VM_ALLOC
+	 *    mappers.
+	 *
+	 * Thus, for VM_ALLOC mappings, hardware tag-based KASAN only tags
+	 * the first virtual mapping, which is created by vmalloc().
+	 * Tagging the page_alloc memory backing that vmalloc() allocation is
+	 * skipped, see ___GFP_SKIP_KASAN_UNPOISON.
+	 *
+	 * For non-VM_ALLOC allocations, page_alloc memory is tagged as usual.
+	 */
+	if (!(flags & KASAN_VMALLOC_VM_ALLOC))
+		return (void *)start;
+
+	/*
+	 * Don't tag executable memory.
+	 * The kernel doesn't tolerate having the PC register tagged.
+	 */
+	if (!(flags & KASAN_VMALLOC_PROT_NORMAL))
+		return (void *)start;
+
+	tag = kasan_random_tag();
+	start = set_tag(start, tag);
+
+	/* Unpoison and initialize memory up to size. */
+	kasan_unpoison(start, size, flags & KASAN_VMALLOC_INIT);
+
+	/*
+	 * Explicitly poison and initialize the in-page vmalloc() redzone.
+	 * Unlike software KASAN modes, hardware tag-based KASAN doesn't
+	 * unpoison memory when populating shadow for vmalloc() space.
+	 */
+	redzone_start = round_up((unsigned long)start + size,
+				 KASAN_GRANULE_SIZE);
+	redzone_size = round_up(redzone_start, PAGE_SIZE) - redzone_start;
+	kasan_poison((void *)redzone_start, redzone_size, KASAN_TAG_INVALID,
+		     flags & KASAN_VMALLOC_INIT);
+
+	/*
+	 * Set per-page tag flags to allow accessing physical memory for the
+	 * vmalloc() mapping through page_address(vmalloc_to_page()).
+	 */
+	unpoison_vmalloc_pages(start, tag);
+
+	return (void *)start;
+}
+
+void __kasan_poison_vmalloc(const void *start, unsigned long size)
+{
+	/*
+	 * No tagging here.
+	 * The physical pages backing the vmalloc() allocation are poisoned
+	 * through the usual page_alloc paths.
+	 */
+}
+
+#endif
+
+void kasan_enable_tagging(void)
+{
+	if (kasan_arg_mode == KASAN_ARG_MODE_ASYNC)
+		hw_enable_tagging_async();
+	else if (kasan_arg_mode == KASAN_ARG_MODE_ASYMM)
+		hw_enable_tagging_asymm();
+	else
+		hw_enable_tagging_sync();
+}
+
+#if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
+
+EXPORT_SYMBOL_GPL(kasan_enable_tagging);
+
+void kasan_force_async_fault(void)
+{
+	hw_force_async_tag_fault();
+}
+EXPORT_SYMBOL_GPL(kasan_force_async_fault);
+
+#endif
diff --git a/mm/kasan/init.c b/mm/kasan/init.c
index b8c6ec1..348f31d 100644
--- a/mm/kasan/init.c
+++ b/mm/kasan/init.c
@@ -1,14 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * This file contains some kasan initialization code.
+ * This file contains KASAN shadow initialization code.
  *
  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
  * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/memblock.h>
@@ -69,7 +64,8 @@
 	return false;
 }
 #endif
-pte_t kasan_early_shadow_pte[PTRS_PER_PTE] __page_aligned_bss;
+pte_t kasan_early_shadow_pte[PTRS_PER_PTE + PTE_HWTABLE_PTRS]
+	__page_aligned_bss;
 
 static inline bool kasan_pte_table(pmd_t pmd)
 {
@@ -224,8 +220,8 @@
 /**
  * kasan_populate_early_shadow - populate shadow memory region with
  *                               kasan_early_shadow_page
- * @shadow_start - start of the memory range to populate
- * @shadow_end   - end of the memory range to populate
+ * @shadow_start: start of the memory range to populate
+ * @shadow_end: end of the memory range to populate
  */
 int __ref kasan_populate_early_shadow(const void *shadow_start,
 					const void *shadow_end)
@@ -449,9 +445,8 @@
 	addr = (unsigned long)kasan_mem_to_shadow(start);
 	end = addr + (size >> KASAN_SHADOW_SCALE_SHIFT);
 
-	if (WARN_ON((unsigned long)start %
-			(KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)) ||
-	    WARN_ON(size % (KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)))
+	if (WARN_ON((unsigned long)start % KASAN_MEMORY_PER_SHADOW_PAGE) ||
+	    WARN_ON(size % KASAN_MEMORY_PER_SHADOW_PAGE))
 		return;
 
 	for (; addr < end; addr = next) {
@@ -485,9 +480,8 @@
 	shadow_start = kasan_mem_to_shadow(start);
 	shadow_end = shadow_start + (size >> KASAN_SHADOW_SCALE_SHIFT);
 
-	if (WARN_ON((unsigned long)start %
-			(KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)) ||
-	    WARN_ON(size % (KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)))
+	if (WARN_ON((unsigned long)start % KASAN_MEMORY_PER_SHADOW_PAGE) ||
+	    WARN_ON(size % KASAN_MEMORY_PER_SHADOW_PAGE))
 		return -EINVAL;
 
 	ret = kasan_populate_early_shadow(shadow_start, shadow_end);
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index ac49945..e6417ac 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -3,31 +3,103 @@
 #define __MM_KASAN_KASAN_H
 
 #include <linux/kasan.h>
+#include <linux/kasan-tags.h>
+#include <linux/kfence.h>
 #include <linux/stackdepot.h>
 
-#define KASAN_SHADOW_SCALE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
-#define KASAN_SHADOW_MASK       (KASAN_SHADOW_SCALE_SIZE - 1)
+#if IS_ENABLED(CONFIG_KUNIT)
 
-#define KASAN_TAG_KERNEL	0xFF /* native kernel pointers tag */
-#define KASAN_TAG_INVALID	0xFE /* inaccessible memory tag */
-#define KASAN_TAG_MAX		0xFD /* maximum value for random tags */
+/* Used in KUnit-compatible KASAN tests. */
+struct kunit_kasan_status {
+	bool report_found;
+	bool sync_fault;
+};
+
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+
+#include <linux/static_key.h>
+#include "../slab.h"
+
+DECLARE_STATIC_KEY_TRUE(kasan_flag_vmalloc);
+DECLARE_STATIC_KEY_TRUE(kasan_flag_stacktrace);
+
+enum kasan_mode {
+	KASAN_MODE_SYNC,
+	KASAN_MODE_ASYNC,
+	KASAN_MODE_ASYMM,
+};
+
+extern enum kasan_mode kasan_mode __ro_after_init;
+
+static inline bool kasan_vmalloc_enabled(void)
+{
+	return static_branch_likely(&kasan_flag_vmalloc);
+}
+
+static inline bool kasan_stack_collection_enabled(void)
+{
+	return static_branch_unlikely(&kasan_flag_stacktrace);
+}
+
+static inline bool kasan_async_fault_possible(void)
+{
+	return kasan_mode == KASAN_MODE_ASYNC || kasan_mode == KASAN_MODE_ASYMM;
+}
+
+static inline bool kasan_sync_fault_possible(void)
+{
+	return kasan_mode == KASAN_MODE_SYNC || kasan_mode == KASAN_MODE_ASYMM;
+}
+#else
+
+static inline bool kasan_stack_collection_enabled(void)
+{
+	return true;
+}
+
+static inline bool kasan_async_fault_possible(void)
+{
+	return false;
+}
+
+static inline bool kasan_sync_fault_possible(void)
+{
+	return true;
+}
+
+#endif
+
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+#define KASAN_GRANULE_SIZE	(1UL << KASAN_SHADOW_SCALE_SHIFT)
+#else
+#include <asm/mte-kasan.h>
+#define KASAN_GRANULE_SIZE	MTE_GRANULE_SIZE
+#endif
+
+#define KASAN_GRANULE_MASK	(KASAN_GRANULE_SIZE - 1)
+
+#define KASAN_MEMORY_PER_SHADOW_PAGE	(KASAN_GRANULE_SIZE << PAGE_SHIFT)
 
 #ifdef CONFIG_KASAN_GENERIC
 #define KASAN_FREE_PAGE         0xFF  /* page was freed */
 #define KASAN_PAGE_REDZONE      0xFE  /* redzone for kmalloc_large allocations */
 #define KASAN_KMALLOC_REDZONE   0xFC  /* redzone inside slub object */
 #define KASAN_KMALLOC_FREE      0xFB  /* object was freed (kmem_cache_free/kfree) */
-#define KASAN_KMALLOC_FREETRACK 0xFA  /* object was freed and has free track set */
+#define KASAN_VMALLOC_INVALID   0xF8  /* unallocated space in vmapped page */
 #else
 #define KASAN_FREE_PAGE         KASAN_TAG_INVALID
 #define KASAN_PAGE_REDZONE      KASAN_TAG_INVALID
 #define KASAN_KMALLOC_REDZONE   KASAN_TAG_INVALID
 #define KASAN_KMALLOC_FREE      KASAN_TAG_INVALID
-#define KASAN_KMALLOC_FREETRACK KASAN_TAG_INVALID
+#define KASAN_VMALLOC_INVALID   KASAN_TAG_INVALID /* only for SW_TAGS */
 #endif
 
+#ifdef CONFIG_KASAN_GENERIC
+
+#define KASAN_KMALLOC_FREETRACK 0xFA  /* object was freed and has free track set */
 #define KASAN_GLOBAL_REDZONE    0xF9  /* redzone for global variable */
-#define KASAN_VMALLOC_INVALID   0xF8  /* unallocated space in vmapped page */
 
 /*
  * Stack redzone shadow values
@@ -56,6 +128,15 @@
 #define KASAN_ABI_VERSION 1
 #endif
 
+#endif /* CONFIG_KASAN_GENERIC */
+
+/* Metadata layout customization. */
+#define META_BYTES_PER_BLOCK 1
+#define META_BLOCKS_PER_ROW 16
+#define META_BYTES_PER_ROW (META_BLOCKS_PER_ROW * META_BYTES_PER_BLOCK)
+#define META_MEM_BYTES_PER_ROW (META_BYTES_PER_ROW * KASAN_GRANULE_SIZE)
+#define META_ROWS_AROUND_ADDR 2
+
 struct kasan_access_info {
 	const void *access_addr;
 	const void *first_bad_addr;
@@ -98,7 +179,7 @@
 	depot_stack_handle_t stack;
 };
 
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#if defined(CONFIG_KASAN_TAGS_IDENTIFY) && defined(CONFIG_KASAN_SW_TAGS)
 #define KASAN_NR_FREE_STACKS 5
 #else
 #define KASAN_NR_FREE_STACKS 1
@@ -108,14 +189,14 @@
 	struct kasan_track alloc_track;
 #ifdef CONFIG_KASAN_GENERIC
 	/*
-	 * call_rcu() call stack is stored into struct kasan_alloc_meta.
+	 * The auxiliary stack is stored into struct kasan_alloc_meta.
 	 * The free stack is stored into struct kasan_free_meta.
 	 */
 	depot_stack_handle_t aux_stack[2];
 #else
 	struct kasan_track free_track[KASAN_NR_FREE_STACKS];
 #endif
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 	u8 free_pointer_tag[KASAN_NR_FREE_STACKS];
 	u8 free_track_idx;
 #endif
@@ -124,20 +205,33 @@
 struct qlist_node {
 	struct qlist_node *next;
 };
+
+/*
+ * Generic mode either stores free meta in the object itself or in the redzone
+ * after the object. In the former case free meta offset is 0, in the latter
+ * case it has some sane value smaller than INT_MAX. Use INT_MAX as free meta
+ * offset when free meta isn't present.
+ */
+#define KASAN_NO_FREE_META INT_MAX
+
 struct kasan_free_meta {
+#ifdef CONFIG_KASAN_GENERIC
 	/* This field is used while the object is in the quarantine.
 	 * Otherwise it might be used for the allocator freelist.
 	 */
 	struct qlist_node quarantine_link;
-#ifdef CONFIG_KASAN_GENERIC
 	struct kasan_track free_track;
 #endif
 };
 
-struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache,
-					const void *object);
-struct kasan_free_meta *get_free_info(struct kmem_cache *cache,
-					const void *object);
+struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache,
+						const void *object);
+#ifdef CONFIG_KASAN_GENERIC
+struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache,
+						const void *object);
+#endif
+
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 
 static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
 {
@@ -145,26 +239,46 @@
 		<< KASAN_SHADOW_SCALE_SHIFT);
 }
 
-static inline bool addr_has_shadow(const void *addr)
+static inline bool addr_has_metadata(const void *addr)
 {
 	return (addr >= kasan_shadow_to_mem((void *)KASAN_SHADOW_START));
 }
 
-void kasan_poison_shadow(const void *address, size_t size, u8 value);
-
 /**
- * check_memory_region - Check memory region, and report if invalid access.
+ * kasan_check_range - Check memory region, and report if invalid access.
  * @addr: the accessed address
  * @size: the accessed size
  * @write: true if access is a write access
  * @ret_ip: return address
  * @return: true if access was valid, false if invalid
  */
-bool check_memory_region(unsigned long addr, size_t size, bool write,
+bool kasan_check_range(unsigned long addr, size_t size, bool write,
 				unsigned long ret_ip);
 
-void *find_first_bad_addr(void *addr, size_t size);
-const char *get_bug_type(struct kasan_access_info *info);
+#else /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
+
+static inline bool addr_has_metadata(const void *addr)
+{
+	return (is_vmalloc_addr(addr) || virt_addr_valid(addr));
+}
+
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
+
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
+void kasan_print_tags(u8 addr_tag, const void *addr);
+#else
+static inline void kasan_print_tags(u8 addr_tag, const void *addr) { }
+#endif
+
+void *kasan_find_first_bad_addr(void *addr, size_t size);
+const char *kasan_get_bug_type(struct kasan_access_info *info);
+void kasan_metadata_fetch_row(char *buffer, void *row);
+
+#if defined(CONFIG_KASAN_GENERIC) && defined(CONFIG_KASAN_STACK)
+void kasan_print_address_stack_frame(const void *addr);
+#else
+static inline void kasan_print_address_stack_frame(const void *addr) { }
+#endif
 
 bool kasan_report(unsigned long addr, size_t size,
 		bool is_write, unsigned long ip);
@@ -172,7 +286,7 @@
 
 struct page *kasan_addr_to_page(const void *addr);
 
-depot_stack_handle_t kasan_save_stack(gfp_t flags);
+depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc);
 void kasan_set_track(struct kasan_track *track, gfp_t flags);
 void kasan_set_free_info(struct kmem_cache *cache, void *object, u8 tag);
 struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
@@ -180,31 +294,13 @@
 
 #if defined(CONFIG_KASAN_GENERIC) && \
 	(defined(CONFIG_SLAB) || defined(CONFIG_SLUB))
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache);
-void quarantine_reduce(void);
-void quarantine_remove_cache(struct kmem_cache *cache);
+bool kasan_quarantine_put(struct kmem_cache *cache, void *object);
+void kasan_quarantine_reduce(void);
+void kasan_quarantine_remove_cache(struct kmem_cache *cache);
 #else
-static inline void quarantine_put(struct kasan_free_meta *info,
-				struct kmem_cache *cache) { }
-static inline void quarantine_reduce(void) { }
-static inline void quarantine_remove_cache(struct kmem_cache *cache) { }
-#endif
-
-#ifdef CONFIG_KASAN_SW_TAGS
-
-void print_tags(u8 addr_tag, const void *addr);
-
-u8 random_tag(void);
-
-#else
-
-static inline void print_tags(u8 addr_tag, const void *addr) { }
-
-static inline u8 random_tag(void)
-{
-	return 0;
-}
-
+static inline bool kasan_quarantine_put(struct kmem_cache *cache, void *object) { return false; }
+static inline void kasan_quarantine_reduce(void) { }
+static inline void kasan_quarantine_remove_cache(struct kmem_cache *cache) { }
 #endif
 
 #ifndef arch_kasan_set_tag
@@ -213,17 +309,185 @@
 	return addr;
 }
 #endif
-#ifndef arch_kasan_reset_tag
-#define arch_kasan_reset_tag(addr)	((void *)(addr))
-#endif
 #ifndef arch_kasan_get_tag
 #define arch_kasan_get_tag(addr)	0
 #endif
 
 #define set_tag(addr, tag)	((void *)arch_kasan_set_tag((addr), (tag)))
-#define reset_tag(addr)		((void *)arch_kasan_reset_tag(addr))
 #define get_tag(addr)		arch_kasan_get_tag(addr)
 
+#ifdef CONFIG_KASAN_HW_TAGS
+
+#ifndef arch_enable_tagging_sync
+#define arch_enable_tagging_sync()
+#endif
+#ifndef arch_enable_tagging_async
+#define arch_enable_tagging_async()
+#endif
+#ifndef arch_enable_tagging_asymm
+#define arch_enable_tagging_asymm()
+#endif
+#ifndef arch_force_async_tag_fault
+#define arch_force_async_tag_fault()
+#endif
+#ifndef arch_get_random_tag
+#define arch_get_random_tag()	(0xFF)
+#endif
+#ifndef arch_get_mem_tag
+#define arch_get_mem_tag(addr)	(0xFF)
+#endif
+#ifndef arch_set_mem_tag_range
+#define arch_set_mem_tag_range(addr, size, tag, init) ((void *)(addr))
+#endif
+
+#define hw_enable_tagging_sync()		arch_enable_tagging_sync()
+#define hw_enable_tagging_async()		arch_enable_tagging_async()
+#define hw_enable_tagging_asymm()		arch_enable_tagging_asymm()
+#define hw_force_async_tag_fault()		arch_force_async_tag_fault()
+#define hw_get_random_tag()			arch_get_random_tag()
+#define hw_get_mem_tag(addr)			arch_get_mem_tag(addr)
+#define hw_set_mem_tag_range(addr, size, tag, init) \
+			arch_set_mem_tag_range((addr), (size), (tag), (init))
+
+void kasan_enable_tagging(void);
+
+#else /* CONFIG_KASAN_HW_TAGS */
+
+#define hw_enable_tagging_sync()
+#define hw_enable_tagging_async()
+#define hw_enable_tagging_asymm()
+
+static inline void kasan_enable_tagging(void) { }
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+#if defined(CONFIG_KASAN_HW_TAGS) && IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
+
+void kasan_force_async_fault(void);
+
+#else /* CONFIG_KASAN_HW_TAGS && CONFIG_KASAN_KUNIT_TEST */
+
+static inline void kasan_force_async_fault(void) { }
+
+#endif /* CONFIG_KASAN_HW_TAGS && CONFIG_KASAN_KUNIT_TEST */
+
+#ifdef CONFIG_KASAN_SW_TAGS
+u8 kasan_random_tag(void);
+#elif defined(CONFIG_KASAN_HW_TAGS)
+static inline u8 kasan_random_tag(void) { return hw_get_random_tag(); }
+#else
+static inline u8 kasan_random_tag(void) { return 0; }
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+
+static inline void kasan_poison(const void *addr, size_t size, u8 value, bool init)
+{
+	addr = kasan_reset_tag(addr);
+
+	/* Skip KFENCE memory if called explicitly outside of sl*b. */
+	if (is_kfence_address(addr))
+		return;
+
+	if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+		return;
+	if (WARN_ON(size & KASAN_GRANULE_MASK))
+		return;
+
+	hw_set_mem_tag_range((void *)addr, size, value, init);
+}
+
+static inline void kasan_unpoison(const void *addr, size_t size, bool init)
+{
+	u8 tag = get_tag(addr);
+
+	addr = kasan_reset_tag(addr);
+
+	/* Skip KFENCE memory if called explicitly outside of sl*b. */
+	if (is_kfence_address(addr))
+		return;
+
+	if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+		return;
+	/*
+	 * Explicitly initialize the memory with the precise object size to
+	 * avoid overwriting the SLAB redzone. This disables initialization in
+	 * the arch code and may thus lead to performance penalty. The penalty
+	 * is accepted since SLAB redzones aren't enabled in production builds.
+	 */
+	if (__slub_debug_enabled() &&
+	    init && ((unsigned long)size & KASAN_GRANULE_MASK)) {
+		init = false;
+		memzero_explicit((void *)addr, size);
+	}
+	size = round_up(size, KASAN_GRANULE_SIZE);
+
+	hw_set_mem_tag_range((void *)addr, size, tag, init);
+}
+
+static inline bool kasan_byte_accessible(const void *addr)
+{
+	u8 ptr_tag = get_tag(addr);
+	u8 mem_tag = hw_get_mem_tag((void *)addr);
+
+	return ptr_tag == KASAN_TAG_KERNEL || ptr_tag == mem_tag;
+}
+
+#else /* CONFIG_KASAN_HW_TAGS */
+
+/**
+ * kasan_poison - mark the memory range as unaccessible
+ * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
+ * @size - range size, must be aligned to KASAN_GRANULE_SIZE
+ * @value - value that's written to metadata for the range
+ * @init - whether to initialize the memory range (only for hardware tag-based)
+ *
+ * The size gets aligned to KASAN_GRANULE_SIZE before marking the range.
+ */
+void kasan_poison(const void *addr, size_t size, u8 value, bool init);
+
+/**
+ * kasan_unpoison - mark the memory range as accessible
+ * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
+ * @size - range size, can be unaligned
+ * @init - whether to initialize the memory range (only for hardware tag-based)
+ *
+ * For the tag-based modes, the @size gets aligned to KASAN_GRANULE_SIZE before
+ * marking the range.
+ * For the generic mode, the last granule of the memory range gets partially
+ * unpoisoned based on the @size.
+ */
+void kasan_unpoison(const void *addr, size_t size, bool init);
+
+bool kasan_byte_accessible(const void *addr);
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+#ifdef CONFIG_KASAN_GENERIC
+
+/**
+ * kasan_poison_last_granule - mark the last granule of the memory range as
+ * unaccessible
+ * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
+ * @size - range size
+ *
+ * This function is only available for the generic mode, as it's the only mode
+ * that has partially poisoned memory granules.
+ */
+void kasan_poison_last_granule(const void *address, size_t size);
+
+#else /* CONFIG_KASAN_GENERIC */
+
+static inline void kasan_poison_last_granule(const void *address, size_t size) { }
+
+#endif /* CONFIG_KASAN_GENERIC */
+
+#ifndef kasan_arch_is_ready
+static inline bool kasan_arch_is_ready(void)	{ return true; }
+#elif !defined(CONFIG_KASAN_GENERIC) || !defined(CONFIG_KASAN_OUTLINE)
+#error kasan_arch_is_ready only works in KASAN generic outline mode!
+#endif
+
 /*
  * Exported functions for interfaces called from assembly or from generated
  * code. Declarations here to avoid warning about missing declarations.
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 6221938..06af6cb 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -6,16 +6,6 @@
  * Copyright (C) 2016 Google, Inc.
  *
  * Based on code by Dmitry Chernenkov.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
  */
 
 #include <linux/gfp.h>
@@ -142,12 +132,28 @@
 static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache)
 {
 	void *object = qlink_to_object(qlink, cache);
+	struct kasan_free_meta *meta = kasan_get_free_meta(cache, object);
 	unsigned long flags;
 
 	if (IS_ENABLED(CONFIG_SLAB))
 		local_irq_save(flags);
 
+	/*
+	 * If init_on_free is enabled and KASAN's free metadata is stored in
+	 * the object, zero the metadata. Otherwise, the object's memory will
+	 * not be properly zeroed, as KASAN saves the metadata after the slab
+	 * allocator zeroes the object.
+	 */
+	if (slab_want_init_on_free(cache) &&
+	    cache->kasan_info.free_meta_offset == 0)
+		memzero_explicit(meta, sizeof(*meta));
+
+	/*
+	 * As the object now gets freed from the quaratine, assume that its
+	 * free track is no longer valid.
+	 */
 	*(u8 *)kasan_mem_to_shadow(object) = KASAN_KMALLOC_FREE;
+
 	___cache_free(cache, object, _THIS_IP_);
 
 	if (IS_ENABLED(CONFIG_SLAB))
@@ -173,28 +179,36 @@
 	qlist_init(q);
 }
 
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache)
+bool kasan_quarantine_put(struct kmem_cache *cache, void *object)
 {
 	unsigned long flags;
 	struct qlist_head *q;
 	struct qlist_head temp = QLIST_INIT;
+	struct kasan_free_meta *meta = kasan_get_free_meta(cache, object);
+
+	/*
+	 * If there's no metadata for this object, don't put it into
+	 * quarantine.
+	 */
+	if (!meta)
+		return false;
 
 	/*
 	 * Note: irq must be disabled until after we move the batch to the
-	 * global quarantine. Otherwise quarantine_remove_cache() can miss
-	 * some objects belonging to the cache if they are in our local temp
-	 * list. quarantine_remove_cache() executes on_each_cpu() at the
-	 * beginning which ensures that it either sees the objects in per-cpu
-	 * lists or in the global quarantine.
+	 * global quarantine. Otherwise kasan_quarantine_remove_cache() can
+	 * miss some objects belonging to the cache if they are in our local
+	 * temp list. kasan_quarantine_remove_cache() executes on_each_cpu()
+	 * at the beginning which ensures that it either sees the objects in
+	 * per-cpu lists or in the global quarantine.
 	 */
 	local_irq_save(flags);
 
 	q = this_cpu_ptr(&cpu_quarantine);
 	if (q->offline) {
 		local_irq_restore(flags);
-		return;
+		return false;
 	}
-	qlist_put(q, &info->quarantine_link, cache->size);
+	qlist_put(q, &meta->quarantine_link, cache->size);
 	if (unlikely(q->bytes > QUARANTINE_PERCPU_SIZE)) {
 		qlist_move_all(q, &temp);
 
@@ -215,9 +229,11 @@
 	}
 
 	local_irq_restore(flags);
+
+	return true;
 }
 
-void quarantine_reduce(void)
+void kasan_quarantine_reduce(void)
 {
 	size_t total_size, new_quarantine_size, percpu_quarantines;
 	unsigned long flags;
@@ -229,7 +245,7 @@
 		return;
 
 	/*
-	 * srcu critical section ensures that quarantine_remove_cache()
+	 * srcu critical section ensures that kasan_quarantine_remove_cache()
 	 * will not miss objects belonging to the cache while they are in our
 	 * local to_free list. srcu is chosen because (1) it gives us private
 	 * grace period domain that does not interfere with anything else,
@@ -311,15 +327,15 @@
 }
 
 /* Free all quarantined objects belonging to cache. */
-void quarantine_remove_cache(struct kmem_cache *cache)
+void kasan_quarantine_remove_cache(struct kmem_cache *cache)
 {
 	unsigned long flags, i;
 	struct qlist_head to_free = QLIST_INIT;
 
 	/*
 	 * Must be careful to not miss any objects that are being moved from
-	 * per-cpu list to the global quarantine in quarantine_put(),
-	 * nor objects being freed in quarantine_reduce(). on_each_cpu()
+	 * per-cpu list to the global quarantine in kasan_quarantine_put(),
+	 * nor objects being freed in kasan_quarantine_reduce(). on_each_cpu()
 	 * achieves the first goal, while synchronize_srcu() achieves the
 	 * second.
 	 */
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 98b0880..6804cce 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -1,17 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * This file contains common generic and tag-based KASAN error reporting code.
+ * This file contains common KASAN error reporting code.
  *
  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
  * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
  *
  * Some code borrowed from https://github.com/xairy/kasan-prototype by
  *        Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/bitops.h>
@@ -30,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/sched/task_stack.h>
 #include <linux/uaccess.h>
+#include <trace/events/error_report.h>
 
 #include <asm/sections.h>
 
@@ -38,17 +34,36 @@
 #include "kasan.h"
 #include "../slab.h"
 
-/* Shadow layout customization. */
-#define SHADOW_BYTES_PER_BLOCK 1
-#define SHADOW_BLOCKS_PER_ROW 16
-#define SHADOW_BYTES_PER_ROW (SHADOW_BLOCKS_PER_ROW * SHADOW_BYTES_PER_BLOCK)
-#define SHADOW_ROWS_AROUND_ADDR 2
-
 static unsigned long kasan_flags;
 
 #define KASAN_BIT_REPORTED	0
 #define KASAN_BIT_MULTI_SHOT	1
 
+enum kasan_arg_fault {
+	KASAN_ARG_FAULT_DEFAULT,
+	KASAN_ARG_FAULT_REPORT,
+	KASAN_ARG_FAULT_PANIC,
+};
+
+static enum kasan_arg_fault kasan_arg_fault __ro_after_init = KASAN_ARG_FAULT_DEFAULT;
+
+/* kasan.fault=report/panic */
+static int __init early_kasan_fault(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	if (!strcmp(arg, "report"))
+		kasan_arg_fault = KASAN_ARG_FAULT_REPORT;
+	else if (!strcmp(arg, "panic"))
+		kasan_arg_fault = KASAN_ARG_FAULT_PANIC;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+early_param("kasan.fault", early_kasan_fault);
+
 bool kasan_save_enable_multi_shot(void)
 {
 	return test_and_set_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags);
@@ -72,10 +87,15 @@
 static void print_error_description(struct kasan_access_info *info)
 {
 	pr_err("BUG: KASAN: %s in %pS\n",
-		get_bug_type(info), (void *)info->ip);
-	pr_err("%s of size %zu at addr %px by task %s/%d\n",
-		info->is_write ? "Write" : "Read", info->access_size,
-		info->access_addr, current->comm, task_pid_nr(current));
+		kasan_get_bug_type(info), (void *)info->ip);
+	if (info->access_size)
+		pr_err("%s of size %zu at addr %px by task %s/%d\n",
+			info->is_write ? "Write" : "Read", info->access_size,
+			info->access_addr, current->comm, task_pid_nr(current));
+	else
+		pr_err("%s at addr %px by task %s/%d\n",
+			info->is_write ? "Write" : "Read",
+			info->access_addr, current->comm, task_pid_nr(current));
 }
 
 static DEFINE_SPINLOCK(report_lock);
@@ -90,13 +110,17 @@
 	pr_err("==================================================================\n");
 }
 
-static void end_report(unsigned long *flags)
+static void end_report(unsigned long *flags, unsigned long addr)
 {
+	if (!kasan_async_fault_possible())
+		trace_error_report_end(ERROR_DETECTOR_KASAN, addr);
 	pr_err("==================================================================\n");
 	add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
 	spin_unlock_irqrestore(&report_lock, *flags);
 	if (!test_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags))
 		check_panic_on_warn("KASAN");
+	if (kasan_arg_fault == KASAN_ARG_FAULT_PANIC)
+		panic("kasan.fault=panic set ...\n");
 	kasan_enable_current();
 }
 
@@ -159,42 +183,51 @@
 		(void *)(object_addr + cache->object_size));
 }
 
+static void describe_object_stacks(struct kmem_cache *cache, void *object,
+					const void *addr, u8 tag)
+{
+	struct kasan_alloc_meta *alloc_meta;
+	struct kasan_track *free_track;
+
+	alloc_meta = kasan_get_alloc_meta(cache, object);
+	if (alloc_meta) {
+		print_track(&alloc_meta->alloc_track, "Allocated");
+		pr_err("\n");
+	}
+
+	free_track = kasan_get_free_track(cache, object, tag);
+	if (free_track) {
+		print_track(free_track, "Freed");
+		pr_err("\n");
+	}
+
+#ifdef CONFIG_KASAN_GENERIC
+	if (!alloc_meta)
+		return;
+	if (alloc_meta->aux_stack[0]) {
+		pr_err("Last potentially related work creation:\n");
+		print_stack(alloc_meta->aux_stack[0]);
+		pr_err("\n");
+	}
+	if (alloc_meta->aux_stack[1]) {
+		pr_err("Second to last potentially related work creation:\n");
+		print_stack(alloc_meta->aux_stack[1]);
+		pr_err("\n");
+	}
+#endif
+}
+
 static void describe_object(struct kmem_cache *cache, void *object,
 				const void *addr, u8 tag)
 {
-	struct kasan_alloc_meta *alloc_info = get_alloc_info(cache, object);
-
-	if (cache->flags & SLAB_KASAN) {
-		struct kasan_track *free_track;
-
-		print_track(&alloc_info->alloc_track, "Allocated");
-		pr_err("\n");
-		free_track = kasan_get_free_track(cache, object, tag);
-		if (free_track) {
-			print_track(free_track, "Freed");
-			pr_err("\n");
-		}
-
-#ifdef CONFIG_KASAN_GENERIC
-		if (alloc_info->aux_stack[0]) {
-			pr_err("Last call_rcu():\n");
-			print_stack(alloc_info->aux_stack[0]);
-			pr_err("\n");
-		}
-		if (alloc_info->aux_stack[1]) {
-			pr_err("Second to last call_rcu():\n");
-			print_stack(alloc_info->aux_stack[1]);
-			pr_err("\n");
-		}
-#endif
-	}
-
+	if (kasan_stack_collection_enabled())
+		describe_object_stacks(cache, object, addr, tag);
 	describe_object_addr(cache, object, addr);
 }
 
 static inline bool kernel_or_module_addr(const void *addr)
 {
-	if (addr >= (void *)_stext && addr < (void *)_end)
+	if (is_kernel((unsigned long)addr))
 		return true;
 	if (is_module_address((unsigned long)addr))
 		return true;
@@ -208,173 +241,11 @@
 			sizeof(init_thread_union.stack));
 }
 
-static bool __must_check tokenize_frame_descr(const char **frame_descr,
-					      char *token, size_t max_tok_len,
-					      unsigned long *value)
-{
-	const char *sep = strchr(*frame_descr, ' ');
-
-	if (sep == NULL)
-		sep = *frame_descr + strlen(*frame_descr);
-
-	if (token != NULL) {
-		const size_t tok_len = sep - *frame_descr;
-
-		if (tok_len + 1 > max_tok_len) {
-			pr_err("KASAN internal error: frame description too long: %s\n",
-			       *frame_descr);
-			return false;
-		}
-
-		/* Copy token (+ 1 byte for '\0'). */
-		strlcpy(token, *frame_descr, tok_len + 1);
-	}
-
-	/* Advance frame_descr past separator. */
-	*frame_descr = sep + 1;
-
-	if (value != NULL && kstrtoul(token, 10, value)) {
-		pr_err("KASAN internal error: not a valid number: %s\n", token);
-		return false;
-	}
-
-	return true;
-}
-
-static void print_decoded_frame_descr(const char *frame_descr)
-{
-	/*
-	 * We need to parse the following string:
-	 *    "n alloc_1 alloc_2 ... alloc_n"
-	 * where alloc_i looks like
-	 *    "offset size len name"
-	 * or "offset size len name:line".
-	 */
-
-	char token[64];
-	unsigned long num_objects;
-
-	if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
-				  &num_objects))
-		return;
-
-	pr_err("\n");
-	pr_err("this frame has %lu %s:\n", num_objects,
-	       num_objects == 1 ? "object" : "objects");
-
-	while (num_objects--) {
-		unsigned long offset;
-		unsigned long size;
-
-		/* access offset */
-		if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
-					  &offset))
-			return;
-		/* access size */
-		if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
-					  &size))
-			return;
-		/* name length (unused) */
-		if (!tokenize_frame_descr(&frame_descr, NULL, 0, NULL))
-			return;
-		/* object name */
-		if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
-					  NULL))
-			return;
-
-		/* Strip line number; without filename it's not very helpful. */
-		strreplace(token, ':', '\0');
-
-		/* Finally, print object information. */
-		pr_err(" [%lu, %lu) '%s'", offset, offset + size, token);
-	}
-}
-
-static bool __must_check get_address_stack_frame_info(const void *addr,
-						      unsigned long *offset,
-						      const char **frame_descr,
-						      const void **frame_pc)
-{
-	unsigned long aligned_addr;
-	unsigned long mem_ptr;
-	const u8 *shadow_bottom;
-	const u8 *shadow_ptr;
-	const unsigned long *frame;
-
-	BUILD_BUG_ON(IS_ENABLED(CONFIG_STACK_GROWSUP));
-
-	/*
-	 * NOTE: We currently only support printing frame information for
-	 * accesses to the task's own stack.
-	 */
-	if (!object_is_on_stack(addr))
-		return false;
-
-	aligned_addr = round_down((unsigned long)addr, sizeof(long));
-	mem_ptr = round_down(aligned_addr, KASAN_SHADOW_SCALE_SIZE);
-	shadow_ptr = kasan_mem_to_shadow((void *)aligned_addr);
-	shadow_bottom = kasan_mem_to_shadow(end_of_stack(current));
-
-	while (shadow_ptr >= shadow_bottom && *shadow_ptr != KASAN_STACK_LEFT) {
-		shadow_ptr--;
-		mem_ptr -= KASAN_SHADOW_SCALE_SIZE;
-	}
-
-	while (shadow_ptr >= shadow_bottom && *shadow_ptr == KASAN_STACK_LEFT) {
-		shadow_ptr--;
-		mem_ptr -= KASAN_SHADOW_SCALE_SIZE;
-	}
-
-	if (shadow_ptr < shadow_bottom)
-		return false;
-
-	frame = (const unsigned long *)(mem_ptr + KASAN_SHADOW_SCALE_SIZE);
-	if (frame[0] != KASAN_CURRENT_STACK_FRAME_MAGIC) {
-		pr_err("KASAN internal error: frame info validation failed; invalid marker: %lu\n",
-		       frame[0]);
-		return false;
-	}
-
-	*offset = (unsigned long)addr - (unsigned long)frame;
-	*frame_descr = (const char *)frame[1];
-	*frame_pc = (void *)frame[2];
-
-	return true;
-}
-
-static void print_address_stack_frame(const void *addr)
-{
-	unsigned long offset;
-	const char *frame_descr;
-	const void *frame_pc;
-
-	if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
-		return;
-
-	if (!get_address_stack_frame_info(addr, &offset, &frame_descr,
-					  &frame_pc))
-		return;
-
-	/*
-	 * get_address_stack_frame_info only returns true if the given addr is
-	 * on the current task's stack.
-	 */
-	pr_err("\n");
-	pr_err("addr %px is located in stack of task %s/%d at offset %lu in frame:\n",
-	       addr, current->comm, task_pid_nr(current), offset);
-	pr_err(" %pS\n", frame_pc);
-
-	if (!frame_descr)
-		return;
-
-	print_decoded_frame_descr(frame_descr);
-}
-
 static void print_address_description(void *addr, u8 tag)
 {
 	struct page *page = kasan_addr_to_page(addr);
 
-	dump_stack();
+	dump_stack_lvl(KERN_ERR);
 	pr_err("\n");
 
 	if (page && PageSlab(page)) {
@@ -394,85 +265,92 @@
 		dump_page(page, "kasan: bad access detected");
 	}
 
-	print_address_stack_frame(addr);
+	kasan_print_address_stack_frame(addr);
 }
 
-static bool row_is_guilty(const void *row, const void *guilty)
+static bool meta_row_is_guilty(const void *row, const void *addr)
 {
-	return (row <= guilty) && (guilty < row + SHADOW_BYTES_PER_ROW);
+	return (row <= addr) && (addr < row + META_MEM_BYTES_PER_ROW);
 }
 
-static int shadow_pointer_offset(const void *row, const void *shadow)
+static int meta_pointer_offset(const void *row, const void *addr)
 {
-	/* The length of ">ff00ff00ff00ff00: " is
-	 *    3 + (BITS_PER_LONG/8)*2 chars.
+	/*
+	 * Memory state around the buggy address:
+	 *  ff00ff00ff00ff00: 00 00 00 05 fe fe fe fe fe fe fe fe fe fe fe fe
+	 *  ...
+	 *
+	 * The length of ">ff00ff00ff00ff00: " is
+	 *    3 + (BITS_PER_LONG / 8) * 2 chars.
+	 * The length of each granule metadata is 2 bytes
+	 *    plus 1 byte for space.
 	 */
-	return 3 + (BITS_PER_LONG/8)*2 + (shadow - row)*2 +
-		(shadow - row) / SHADOW_BYTES_PER_BLOCK + 1;
+	return 3 + (BITS_PER_LONG / 8) * 2 +
+		(addr - row) / KASAN_GRANULE_SIZE * 3 + 1;
 }
 
-static void print_shadow_for_address(const void *addr)
+static void print_memory_metadata(const void *addr)
 {
 	int i;
-	const void *shadow = kasan_mem_to_shadow(addr);
-	const void *shadow_row;
+	void *row;
 
-	shadow_row = (void *)round_down((unsigned long)shadow,
-					SHADOW_BYTES_PER_ROW)
-		- SHADOW_ROWS_AROUND_ADDR * SHADOW_BYTES_PER_ROW;
+	row = (void *)round_down((unsigned long)addr, META_MEM_BYTES_PER_ROW)
+			- META_ROWS_AROUND_ADDR * META_MEM_BYTES_PER_ROW;
 
 	pr_err("Memory state around the buggy address:\n");
 
-	for (i = -SHADOW_ROWS_AROUND_ADDR; i <= SHADOW_ROWS_AROUND_ADDR; i++) {
-		const void *kaddr = kasan_shadow_to_mem(shadow_row);
-		char buffer[4 + (BITS_PER_LONG/8)*2];
-		char shadow_buf[SHADOW_BYTES_PER_ROW];
+	for (i = -META_ROWS_AROUND_ADDR; i <= META_ROWS_AROUND_ADDR; i++) {
+		char buffer[4 + (BITS_PER_LONG / 8) * 2];
+		char metadata[META_BYTES_PER_ROW];
 
 		snprintf(buffer, sizeof(buffer),
-			(i == 0) ? ">%px: " : " %px: ", kaddr);
+				(i == 0) ? ">%px: " : " %px: ", row);
+
 		/*
 		 * We should not pass a shadow pointer to generic
 		 * function, because generic functions may try to
 		 * access kasan mapping for the passed address.
 		 */
-		memcpy(shadow_buf, shadow_row, SHADOW_BYTES_PER_ROW);
+		kasan_metadata_fetch_row(&metadata[0], row);
+
 		print_hex_dump(KERN_ERR, buffer,
-			DUMP_PREFIX_NONE, SHADOW_BYTES_PER_ROW, 1,
-			shadow_buf, SHADOW_BYTES_PER_ROW, 0);
+			DUMP_PREFIX_NONE, META_BYTES_PER_ROW, 1,
+			metadata, META_BYTES_PER_ROW, 0);
 
-		if (row_is_guilty(shadow_row, shadow))
-			pr_err("%*c\n",
-				shadow_pointer_offset(shadow_row, shadow),
-				'^');
+		if (meta_row_is_guilty(row, addr))
+			pr_err("%*c\n", meta_pointer_offset(row, addr), '^');
 
-		shadow_row += SHADOW_BYTES_PER_ROW;
+		row += META_MEM_BYTES_PER_ROW;
 	}
 }
 
 static bool report_enabled(void)
 {
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	if (current->kasan_depth)
 		return false;
+#endif
 	if (test_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags))
 		return true;
 	return !test_and_set_bit(KASAN_BIT_REPORTED, &kasan_flags);
 }
 
 #if IS_ENABLED(CONFIG_KUNIT)
-static void kasan_update_kunit_status(struct kunit *cur_test)
+static void kasan_update_kunit_status(struct kunit *cur_test, bool sync)
 {
 	struct kunit_resource *resource;
-	struct kunit_kasan_expectation *kasan_data;
+	struct kunit_kasan_status *status;
 
-	resource = kunit_find_named_resource(cur_test, "kasan_data");
+	resource = kunit_find_named_resource(cur_test, "kasan_status");
 
 	if (!resource) {
 		kunit_set_failure(cur_test);
 		return;
 	}
 
-	kasan_data = (struct kunit_kasan_expectation *)resource->data;
-	kasan_data->report_found = true;
+	status = (struct kunit_kasan_status *)resource->data;
+	WRITE_ONCE(status->report_found, true);
+	WRITE_ONCE(status->sync_fault, sync);
 	kunit_put_resource(resource);
 }
 #endif /* IS_ENABLED(CONFIG_KUNIT) */
@@ -482,23 +360,42 @@
 	unsigned long flags;
 	u8 tag = get_tag(object);
 
-	object = reset_tag(object);
+	object = kasan_reset_tag(object);
 
 #if IS_ENABLED(CONFIG_KUNIT)
 	if (current->kunit_test)
-		kasan_update_kunit_status(current->kunit_test);
+		kasan_update_kunit_status(current->kunit_test, true);
 #endif /* IS_ENABLED(CONFIG_KUNIT) */
 
 	start_report(&flags);
 	pr_err("BUG: KASAN: double-free or invalid-free in %pS\n", (void *)ip);
-	print_tags(tag, object);
+	kasan_print_tags(tag, object);
 	pr_err("\n");
 	print_address_description(object, tag);
 	pr_err("\n");
-	print_shadow_for_address(object);
-	end_report(&flags);
+	print_memory_metadata(object);
+	end_report(&flags, (unsigned long)object);
 }
 
+#ifdef CONFIG_KASAN_HW_TAGS
+void kasan_report_async(void)
+{
+	unsigned long flags;
+
+#if IS_ENABLED(CONFIG_KUNIT)
+	if (current->kunit_test)
+		kasan_update_kunit_status(current->kunit_test, false);
+#endif /* IS_ENABLED(CONFIG_KUNIT) */
+
+	start_report(&flags);
+	pr_err("BUG: KASAN: invalid-access\n");
+	pr_err("Asynchronous mode enabled: no access details available\n");
+	pr_err("\n");
+	dump_stack_lvl(KERN_ERR);
+	end_report(&flags, 0);
+}
+#endif /* CONFIG_KASAN_HW_TAGS */
+
 static void __kasan_report(unsigned long addr, size_t size, bool is_write,
 				unsigned long ip)
 {
@@ -509,17 +406,18 @@
 
 #if IS_ENABLED(CONFIG_KUNIT)
 	if (current->kunit_test)
-		kasan_update_kunit_status(current->kunit_test);
+		kasan_update_kunit_status(current->kunit_test, true);
 #endif /* IS_ENABLED(CONFIG_KUNIT) */
 
 	disable_trace_on_warning();
 
 	tagged_addr = (void *)addr;
-	untagged_addr = reset_tag(tagged_addr);
+	untagged_addr = kasan_reset_tag(tagged_addr);
 
 	info.access_addr = tagged_addr;
-	if (addr_has_shadow(untagged_addr))
-		info.first_bad_addr = find_first_bad_addr(tagged_addr, size);
+	if (addr_has_metadata(untagged_addr))
+		info.first_bad_addr =
+			kasan_find_first_bad_addr(tagged_addr, size);
 	else
 		info.first_bad_addr = untagged_addr;
 	info.access_size = size;
@@ -529,19 +427,19 @@
 	start_report(&flags);
 
 	print_error_description(&info);
-	if (addr_has_shadow(untagged_addr))
-		print_tags(get_tag(tagged_addr), info.first_bad_addr);
+	if (addr_has_metadata(untagged_addr))
+		kasan_print_tags(get_tag(tagged_addr), info.first_bad_addr);
 	pr_err("\n");
 
-	if (addr_has_shadow(untagged_addr)) {
+	if (addr_has_metadata(untagged_addr)) {
 		print_address_description(untagged_addr, get_tag(tagged_addr));
 		pr_err("\n");
-		print_shadow_for_address(info.first_bad_addr);
+		print_memory_metadata(info.first_bad_addr);
 	} else {
-		dump_stack();
+		dump_stack_lvl(KERN_ERR);
 	}
 
-	end_report(&flags);
+	end_report(&flags, addr);
 }
 
 bool kasan_report(unsigned long addr, size_t size, bool is_write,
@@ -560,8 +458,9 @@
 	return ret;
 }
 
+#ifdef CONFIG_KASAN_INLINE
 /*
- * With CONFIG_KASAN, accesses to bogus pointers (outside the high
+ * With CONFIG_KASAN_INLINE, accesses to bogus pointers (outside the high
  * canonical half of the address space) cause out-of-bounds shadow memory reads
  * before the actual access. For addresses in the low canonical half of the
  * address space, as well as most non-canonical addresses, that out-of-bounds
@@ -595,5 +494,6 @@
 	else
 		bug_type = "maybe wild-memory-access";
 	pr_alert("KASAN: %s in range [0x%016lx-0x%016lx]\n", bug_type,
-		 orig_addr, orig_addr + KASAN_SHADOW_MASK);
+		 orig_addr, orig_addr + KASAN_GRANULE_SIZE - 1);
 }
+#endif
diff --git a/mm/kasan/report_generic.c b/mm/kasan/report_generic.c
new file mode 100644
index 0000000..139615e
--- /dev/null
+++ b/mm/kasan/report_generic.c
@@ -0,0 +1,327 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains generic KASAN specific error reporting code.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
+ *
+ * Some code borrowed from https://github.com/xairy/kasan-prototype by
+ *        Andrey Konovalov <andreyknvl@gmail.com>
+ */
+
+#include <linux/bitops.h>
+#include <linux/ftrace.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/printk.h>
+#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
+#include <linux/slab.h>
+#include <linux/stackdepot.h>
+#include <linux/stacktrace.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/kasan.h>
+#include <linux/module.h>
+
+#include <asm/sections.h>
+
+#include "kasan.h"
+#include "../slab.h"
+
+void *kasan_find_first_bad_addr(void *addr, size_t size)
+{
+	void *p = addr;
+
+	while (p < addr + size && !(*(u8 *)kasan_mem_to_shadow(p)))
+		p += KASAN_GRANULE_SIZE;
+	return p;
+}
+
+static const char *get_shadow_bug_type(struct kasan_access_info *info)
+{
+	const char *bug_type = "unknown-crash";
+	u8 *shadow_addr;
+
+	shadow_addr = (u8 *)kasan_mem_to_shadow(info->first_bad_addr);
+
+	/*
+	 * If shadow byte value is in [0, KASAN_GRANULE_SIZE) we can look
+	 * at the next shadow byte to determine the type of the bad access.
+	 */
+	if (*shadow_addr > 0 && *shadow_addr <= KASAN_GRANULE_SIZE - 1)
+		shadow_addr++;
+
+	switch (*shadow_addr) {
+	case 0 ... KASAN_GRANULE_SIZE - 1:
+		/*
+		 * In theory it's still possible to see these shadow values
+		 * due to a data race in the kernel code.
+		 */
+		bug_type = "out-of-bounds";
+		break;
+	case KASAN_PAGE_REDZONE:
+	case KASAN_KMALLOC_REDZONE:
+		bug_type = "slab-out-of-bounds";
+		break;
+	case KASAN_GLOBAL_REDZONE:
+		bug_type = "global-out-of-bounds";
+		break;
+	case KASAN_STACK_LEFT:
+	case KASAN_STACK_MID:
+	case KASAN_STACK_RIGHT:
+	case KASAN_STACK_PARTIAL:
+		bug_type = "stack-out-of-bounds";
+		break;
+	case KASAN_FREE_PAGE:
+	case KASAN_KMALLOC_FREE:
+	case KASAN_KMALLOC_FREETRACK:
+		bug_type = "use-after-free";
+		break;
+	case KASAN_ALLOCA_LEFT:
+	case KASAN_ALLOCA_RIGHT:
+		bug_type = "alloca-out-of-bounds";
+		break;
+	case KASAN_VMALLOC_INVALID:
+		bug_type = "vmalloc-out-of-bounds";
+		break;
+	}
+
+	return bug_type;
+}
+
+static const char *get_wild_bug_type(struct kasan_access_info *info)
+{
+	const char *bug_type = "unknown-crash";
+
+	if ((unsigned long)info->access_addr < PAGE_SIZE)
+		bug_type = "null-ptr-deref";
+	else if ((unsigned long)info->access_addr < TASK_SIZE)
+		bug_type = "user-memory-access";
+	else
+		bug_type = "wild-memory-access";
+
+	return bug_type;
+}
+
+const char *kasan_get_bug_type(struct kasan_access_info *info)
+{
+	/*
+	 * If access_size is a negative number, then it has reason to be
+	 * defined as out-of-bounds bug type.
+	 *
+	 * Casting negative numbers to size_t would indeed turn up as
+	 * a large size_t and its value will be larger than ULONG_MAX/2,
+	 * so that this can qualify as out-of-bounds.
+	 */
+	if (info->access_addr + info->access_size < info->access_addr)
+		return "out-of-bounds";
+
+	if (addr_has_metadata(info->access_addr))
+		return get_shadow_bug_type(info);
+	return get_wild_bug_type(info);
+}
+
+void kasan_metadata_fetch_row(char *buffer, void *row)
+{
+	memcpy(buffer, kasan_mem_to_shadow(row), META_BYTES_PER_ROW);
+}
+
+#ifdef CONFIG_KASAN_STACK
+static bool __must_check tokenize_frame_descr(const char **frame_descr,
+					      char *token, size_t max_tok_len,
+					      unsigned long *value)
+{
+	const char *sep = strchr(*frame_descr, ' ');
+
+	if (sep == NULL)
+		sep = *frame_descr + strlen(*frame_descr);
+
+	if (token != NULL) {
+		const size_t tok_len = sep - *frame_descr;
+
+		if (tok_len + 1 > max_tok_len) {
+			pr_err("KASAN internal error: frame description too long: %s\n",
+			       *frame_descr);
+			return false;
+		}
+
+		/* Copy token (+ 1 byte for '\0'). */
+		strscpy(token, *frame_descr, tok_len + 1);
+	}
+
+	/* Advance frame_descr past separator. */
+	*frame_descr = sep + 1;
+
+	if (value != NULL && kstrtoul(token, 10, value)) {
+		pr_err("KASAN internal error: not a valid number: %s\n", token);
+		return false;
+	}
+
+	return true;
+}
+
+static void print_decoded_frame_descr(const char *frame_descr)
+{
+	/*
+	 * We need to parse the following string:
+	 *    "n alloc_1 alloc_2 ... alloc_n"
+	 * where alloc_i looks like
+	 *    "offset size len name"
+	 * or "offset size len name:line".
+	 */
+
+	char token[64];
+	unsigned long num_objects;
+
+	if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+				  &num_objects))
+		return;
+
+	pr_err("\n");
+	pr_err("this frame has %lu %s:\n", num_objects,
+	       num_objects == 1 ? "object" : "objects");
+
+	while (num_objects--) {
+		unsigned long offset;
+		unsigned long size;
+
+		/* access offset */
+		if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+					  &offset))
+			return;
+		/* access size */
+		if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+					  &size))
+			return;
+		/* name length (unused) */
+		if (!tokenize_frame_descr(&frame_descr, NULL, 0, NULL))
+			return;
+		/* object name */
+		if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+					  NULL))
+			return;
+
+		/* Strip line number; without filename it's not very helpful. */
+		strreplace(token, ':', '\0');
+
+		/* Finally, print object information. */
+		pr_err(" [%lu, %lu) '%s'", offset, offset + size, token);
+	}
+}
+
+static bool __must_check get_address_stack_frame_info(const void *addr,
+						      unsigned long *offset,
+						      const char **frame_descr,
+						      const void **frame_pc)
+{
+	unsigned long aligned_addr;
+	unsigned long mem_ptr;
+	const u8 *shadow_bottom;
+	const u8 *shadow_ptr;
+	const unsigned long *frame;
+
+	BUILD_BUG_ON(IS_ENABLED(CONFIG_STACK_GROWSUP));
+
+	/*
+	 * NOTE: We currently only support printing frame information for
+	 * accesses to the task's own stack.
+	 */
+	if (!object_is_on_stack(addr))
+		return false;
+
+	aligned_addr = round_down((unsigned long)addr, sizeof(long));
+	mem_ptr = round_down(aligned_addr, KASAN_GRANULE_SIZE);
+	shadow_ptr = kasan_mem_to_shadow((void *)aligned_addr);
+	shadow_bottom = kasan_mem_to_shadow(end_of_stack(current));
+
+	while (shadow_ptr >= shadow_bottom && *shadow_ptr != KASAN_STACK_LEFT) {
+		shadow_ptr--;
+		mem_ptr -= KASAN_GRANULE_SIZE;
+	}
+
+	while (shadow_ptr >= shadow_bottom && *shadow_ptr == KASAN_STACK_LEFT) {
+		shadow_ptr--;
+		mem_ptr -= KASAN_GRANULE_SIZE;
+	}
+
+	if (shadow_ptr < shadow_bottom)
+		return false;
+
+	frame = (const unsigned long *)(mem_ptr + KASAN_GRANULE_SIZE);
+	if (frame[0] != KASAN_CURRENT_STACK_FRAME_MAGIC) {
+		pr_err("KASAN internal error: frame info validation failed; invalid marker: %lu\n",
+		       frame[0]);
+		return false;
+	}
+
+	*offset = (unsigned long)addr - (unsigned long)frame;
+	*frame_descr = (const char *)frame[1];
+	*frame_pc = (void *)frame[2];
+
+	return true;
+}
+
+void kasan_print_address_stack_frame(const void *addr)
+{
+	unsigned long offset;
+	const char *frame_descr;
+	const void *frame_pc;
+
+	if (!get_address_stack_frame_info(addr, &offset, &frame_descr,
+					  &frame_pc))
+		return;
+
+	/*
+	 * get_address_stack_frame_info only returns true if the given addr is
+	 * on the current task's stack.
+	 */
+	pr_err("\n");
+	pr_err("addr %px is located in stack of task %s/%d at offset %lu in frame:\n",
+	       addr, current->comm, task_pid_nr(current), offset);
+	pr_err(" %pS\n", frame_pc);
+
+	if (!frame_descr)
+		return;
+
+	print_decoded_frame_descr(frame_descr);
+}
+#endif /* CONFIG_KASAN_STACK */
+
+#define DEFINE_ASAN_REPORT_LOAD(size)                     \
+void __asan_report_load##size##_noabort(unsigned long addr) \
+{                                                         \
+	kasan_report(addr, size, false, _RET_IP_);	  \
+}                                                         \
+EXPORT_SYMBOL(__asan_report_load##size##_noabort)
+
+#define DEFINE_ASAN_REPORT_STORE(size)                     \
+void __asan_report_store##size##_noabort(unsigned long addr) \
+{                                                          \
+	kasan_report(addr, size, true, _RET_IP_);	   \
+}                                                          \
+EXPORT_SYMBOL(__asan_report_store##size##_noabort)
+
+DEFINE_ASAN_REPORT_LOAD(1);
+DEFINE_ASAN_REPORT_LOAD(2);
+DEFINE_ASAN_REPORT_LOAD(4);
+DEFINE_ASAN_REPORT_LOAD(8);
+DEFINE_ASAN_REPORT_LOAD(16);
+DEFINE_ASAN_REPORT_STORE(1);
+DEFINE_ASAN_REPORT_STORE(2);
+DEFINE_ASAN_REPORT_STORE(4);
+DEFINE_ASAN_REPORT_STORE(8);
+DEFINE_ASAN_REPORT_STORE(16);
+
+void __asan_report_load_n_noabort(unsigned long addr, size_t size)
+{
+	kasan_report(addr, size, false, _RET_IP_);
+}
+EXPORT_SYMBOL(__asan_report_load_n_noabort);
+
+void __asan_report_store_n_noabort(unsigned long addr, size_t size)
+{
+	kasan_report(addr, size, true, _RET_IP_);
+}
+EXPORT_SYMBOL(__asan_report_store_n_noabort);
diff --git a/mm/kasan/report_hw_tags.c b/mm/kasan/report_hw_tags.c
new file mode 100644
index 0000000..5dbbbb9
--- /dev/null
+++ b/mm/kasan/report_hw_tags.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains hardware tag-based KASAN specific error reporting code.
+ *
+ * Copyright (c) 2020 Google, Inc.
+ * Author: Andrey Konovalov <andreyknvl@google.com>
+ */
+
+#include <linux/kasan.h>
+#include <linux/kernel.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include "kasan.h"
+
+void *kasan_find_first_bad_addr(void *addr, size_t size)
+{
+	return kasan_reset_tag(addr);
+}
+
+void kasan_metadata_fetch_row(char *buffer, void *row)
+{
+	int i;
+
+	for (i = 0; i < META_BYTES_PER_ROW; i++)
+		buffer[i] = hw_get_mem_tag(row + i * KASAN_GRANULE_SIZE);
+}
+
+void kasan_print_tags(u8 addr_tag, const void *addr)
+{
+	u8 memory_tag = hw_get_mem_tag((void *)addr);
+
+	pr_err("Pointer tag: [%02x], memory tag: [%02x]\n",
+		addr_tag, memory_tag);
+}
diff --git a/mm/kasan/report_sw_tags.c b/mm/kasan/report_sw_tags.c
new file mode 100644
index 0000000..d2298c3
--- /dev/null
+++ b/mm/kasan/report_sw_tags.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains software tag-based KASAN specific error reporting code.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
+ *
+ * Some code borrowed from https://github.com/xairy/kasan-prototype by
+ *        Andrey Konovalov <andreyknvl@gmail.com>
+ */
+
+#include <linux/bitops.h>
+#include <linux/ftrace.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/printk.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/stackdepot.h>
+#include <linux/stacktrace.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/kasan.h>
+#include <linux/module.h>
+
+#include <asm/sections.h>
+
+#include "kasan.h"
+#include "../slab.h"
+
+void *kasan_find_first_bad_addr(void *addr, size_t size)
+{
+	u8 tag = get_tag(addr);
+	void *p = kasan_reset_tag(addr);
+	void *end = p + size;
+
+	while (p < end && tag == *(u8 *)kasan_mem_to_shadow(p))
+		p += KASAN_GRANULE_SIZE;
+	return p;
+}
+
+void kasan_metadata_fetch_row(char *buffer, void *row)
+{
+	memcpy(buffer, kasan_mem_to_shadow(row), META_BYTES_PER_ROW);
+}
+
+void kasan_print_tags(u8 addr_tag, const void *addr)
+{
+	u8 *shadow = (u8 *)kasan_mem_to_shadow(addr);
+
+	pr_err("Pointer tag: [%02x], memory tag: [%02x]\n", addr_tag, *shadow);
+}
diff --git a/mm/kasan/report_tags.c b/mm/kasan/report_tags.c
new file mode 100644
index 0000000..8a319fc
--- /dev/null
+++ b/mm/kasan/report_tags.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 Google, Inc.
+ */
+
+#include "kasan.h"
+#include "../slab.h"
+
+const char *kasan_get_bug_type(struct kasan_access_info *info)
+{
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
+	struct kasan_alloc_meta *alloc_meta;
+	struct kmem_cache *cache;
+	struct page *page;
+	const void *addr;
+	void *object;
+	u8 tag;
+	int i;
+
+	tag = get_tag(info->access_addr);
+	addr = kasan_reset_tag(info->access_addr);
+	page = kasan_addr_to_page(addr);
+	if (page && PageSlab(page)) {
+		cache = page->slab_cache;
+		object = nearest_obj(cache, page, (void *)addr);
+		alloc_meta = kasan_get_alloc_meta(cache, object);
+
+		if (alloc_meta) {
+			for (i = 0; i < KASAN_NR_FREE_STACKS; i++) {
+				if (alloc_meta->free_pointer_tag[i] == tag)
+					return "use-after-free";
+			}
+		}
+		return "out-of-bounds";
+	}
+#endif
+
+	/*
+	 * If access_size is a negative number, then it has reason to be
+	 * defined as out-of-bounds bug type.
+	 *
+	 * Casting negative numbers to size_t would indeed turn up as
+	 * a large size_t and its value will be larger than ULONG_MAX/2,
+	 * so that this can qualify as out-of-bounds.
+	 */
+	if (info->access_addr + info->access_size < info->access_addr)
+		return "out-of-bounds";
+
+	return "invalid-access";
+}
diff --git a/mm/kasan/shadow.c b/mm/kasan/shadow.c
new file mode 100644
index 0000000..a343866
--- /dev/null
+++ b/mm/kasan/shadow.c
@@ -0,0 +1,556 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains KASAN runtime code that manages shadow memory for
+ * generic and software tag-based KASAN modes.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
+ *
+ * Some code borrowed from https://github.com/xairy/kasan-prototype by
+ *        Andrey Konovalov <andreyknvl@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kasan.h>
+#include <linux/kernel.h>
+#include <linux/kfence.h>
+#include <linux/kmemleak.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/vmalloc.h>
+
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+
+#include "kasan.h"
+
+bool __kasan_check_read(const volatile void *p, unsigned int size)
+{
+	return kasan_check_range((unsigned long)p, size, false, _RET_IP_);
+}
+EXPORT_SYMBOL(__kasan_check_read);
+
+bool __kasan_check_write(const volatile void *p, unsigned int size)
+{
+	return kasan_check_range((unsigned long)p, size, true, _RET_IP_);
+}
+EXPORT_SYMBOL(__kasan_check_write);
+
+#undef memset
+void *memset(void *addr, int c, size_t len)
+{
+	if (!kasan_check_range((unsigned long)addr, len, true, _RET_IP_))
+		return NULL;
+
+	return __memset(addr, c, len);
+}
+
+#ifdef __HAVE_ARCH_MEMMOVE
+#undef memmove
+void *memmove(void *dest, const void *src, size_t len)
+{
+	if (!kasan_check_range((unsigned long)src, len, false, _RET_IP_) ||
+	    !kasan_check_range((unsigned long)dest, len, true, _RET_IP_))
+		return NULL;
+
+	return __memmove(dest, src, len);
+}
+#endif
+
+#undef memcpy
+void *memcpy(void *dest, const void *src, size_t len)
+{
+	if (!kasan_check_range((unsigned long)src, len, false, _RET_IP_) ||
+	    !kasan_check_range((unsigned long)dest, len, true, _RET_IP_))
+		return NULL;
+
+	return __memcpy(dest, src, len);
+}
+
+void kasan_poison(const void *addr, size_t size, u8 value, bool init)
+{
+	void *shadow_start, *shadow_end;
+
+	if (!kasan_arch_is_ready())
+		return;
+
+	/*
+	 * Perform shadow offset calculation based on untagged address, as
+	 * some of the callers (e.g. kasan_poison_object_data) pass tagged
+	 * addresses to this function.
+	 */
+	addr = kasan_reset_tag(addr);
+
+	/* Skip KFENCE memory if called explicitly outside of sl*b. */
+	if (is_kfence_address(addr))
+		return;
+
+	if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+		return;
+	if (WARN_ON(size & KASAN_GRANULE_MASK))
+		return;
+
+	shadow_start = kasan_mem_to_shadow(addr);
+	shadow_end = kasan_mem_to_shadow(addr + size);
+
+	__memset(shadow_start, value, shadow_end - shadow_start);
+}
+EXPORT_SYMBOL(kasan_poison);
+
+#ifdef CONFIG_KASAN_GENERIC
+void kasan_poison_last_granule(const void *addr, size_t size)
+{
+	if (!kasan_arch_is_ready())
+		return;
+
+	if (size & KASAN_GRANULE_MASK) {
+		u8 *shadow = (u8 *)kasan_mem_to_shadow(addr + size);
+		*shadow = size & KASAN_GRANULE_MASK;
+	}
+}
+#endif
+
+void kasan_unpoison(const void *addr, size_t size, bool init)
+{
+	u8 tag = get_tag(addr);
+
+	/*
+	 * Perform shadow offset calculation based on untagged address, as
+	 * some of the callers (e.g. kasan_unpoison_object_data) pass tagged
+	 * addresses to this function.
+	 */
+	addr = kasan_reset_tag(addr);
+
+	/*
+	 * Skip KFENCE memory if called explicitly outside of sl*b. Also note
+	 * that calls to ksize(), where size is not a multiple of machine-word
+	 * size, would otherwise poison the invalid portion of the word.
+	 */
+	if (is_kfence_address(addr))
+		return;
+
+	if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+		return;
+
+	/* Unpoison all granules that cover the object. */
+	kasan_poison(addr, round_up(size, KASAN_GRANULE_SIZE), tag, false);
+
+	/* Partially poison the last granule for the generic mode. */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+		kasan_poison_last_granule(addr, size);
+}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+static bool shadow_mapped(unsigned long addr)
+{
+	pgd_t *pgd = pgd_offset_k(addr);
+	p4d_t *p4d;
+	pud_t *pud;
+	pmd_t *pmd;
+	pte_t *pte;
+
+	if (pgd_none(*pgd))
+		return false;
+	p4d = p4d_offset(pgd, addr);
+	if (p4d_none(*p4d))
+		return false;
+	pud = pud_offset(p4d, addr);
+	if (pud_none(*pud))
+		return false;
+
+	/*
+	 * We can't use pud_large() or pud_huge(), the first one is
+	 * arch-specific, the last one depends on HUGETLB_PAGE.  So let's abuse
+	 * pud_bad(), if pud is bad then it's bad because it's huge.
+	 */
+	if (pud_bad(*pud))
+		return true;
+	pmd = pmd_offset(pud, addr);
+	if (pmd_none(*pmd))
+		return false;
+
+	if (pmd_bad(*pmd))
+		return true;
+	pte = pte_offset_kernel(pmd, addr);
+	return !pte_none(*pte);
+}
+
+static int __meminit kasan_mem_notifier(struct notifier_block *nb,
+			unsigned long action, void *data)
+{
+	struct memory_notify *mem_data = data;
+	unsigned long nr_shadow_pages, start_kaddr, shadow_start;
+	unsigned long shadow_end, shadow_size;
+
+	nr_shadow_pages = mem_data->nr_pages >> KASAN_SHADOW_SCALE_SHIFT;
+	start_kaddr = (unsigned long)pfn_to_kaddr(mem_data->start_pfn);
+	shadow_start = (unsigned long)kasan_mem_to_shadow((void *)start_kaddr);
+	shadow_size = nr_shadow_pages << PAGE_SHIFT;
+	shadow_end = shadow_start + shadow_size;
+
+	if (WARN_ON(mem_data->nr_pages % KASAN_GRANULE_SIZE) ||
+		WARN_ON(start_kaddr % KASAN_MEMORY_PER_SHADOW_PAGE))
+		return NOTIFY_BAD;
+
+	switch (action) {
+	case MEM_GOING_ONLINE: {
+		void *ret;
+
+		/*
+		 * If shadow is mapped already than it must have been mapped
+		 * during the boot. This could happen if we onlining previously
+		 * offlined memory.
+		 */
+		if (shadow_mapped(shadow_start))
+			return NOTIFY_OK;
+
+		ret = __vmalloc_node_range(shadow_size, PAGE_SIZE, shadow_start,
+					shadow_end, GFP_KERNEL,
+					PAGE_KERNEL, VM_NO_GUARD,
+					pfn_to_nid(mem_data->start_pfn),
+					__builtin_return_address(0));
+		if (!ret)
+			return NOTIFY_BAD;
+
+		kmemleak_ignore(ret);
+		return NOTIFY_OK;
+	}
+	case MEM_CANCEL_ONLINE:
+	case MEM_OFFLINE: {
+		struct vm_struct *vm;
+
+		/*
+		 * shadow_start was either mapped during boot by kasan_init()
+		 * or during memory online by __vmalloc_node_range().
+		 * In the latter case we can use vfree() to free shadow.
+		 * Non-NULL result of the find_vm_area() will tell us if
+		 * that was the second case.
+		 *
+		 * Currently it's not possible to free shadow mapped
+		 * during boot by kasan_init(). It's because the code
+		 * to do that hasn't been written yet. So we'll just
+		 * leak the memory.
+		 */
+		vm = find_vm_area((void *)shadow_start);
+		if (vm)
+			vfree((void *)shadow_start);
+	}
+	}
+
+	return NOTIFY_OK;
+}
+
+static int __init kasan_memhotplug_init(void)
+{
+	hotplug_memory_notifier(kasan_mem_notifier, 0);
+
+	return 0;
+}
+
+core_initcall(kasan_memhotplug_init);
+#endif
+
+#ifdef CONFIG_KASAN_VMALLOC
+
+static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr,
+				      void *unused)
+{
+	unsigned long page;
+	pte_t pte;
+
+	if (likely(!pte_none(*ptep)))
+		return 0;
+
+	page = __get_free_page(GFP_KERNEL);
+	if (!page)
+		return -ENOMEM;
+
+	memset((void *)page, KASAN_VMALLOC_INVALID, PAGE_SIZE);
+	pte = pfn_pte(PFN_DOWN(__pa(page)), PAGE_KERNEL);
+
+	spin_lock(&init_mm.page_table_lock);
+	if (likely(pte_none(*ptep))) {
+		set_pte_at(&init_mm, addr, ptep, pte);
+		page = 0;
+	}
+	spin_unlock(&init_mm.page_table_lock);
+	if (page)
+		free_page(page);
+	return 0;
+}
+
+int kasan_populate_vmalloc(unsigned long addr, unsigned long size)
+{
+	unsigned long shadow_start, shadow_end;
+	int ret;
+
+	if (!is_vmalloc_or_module_addr((void *)addr))
+		return 0;
+
+	shadow_start = (unsigned long)kasan_mem_to_shadow((void *)addr);
+	shadow_start = ALIGN_DOWN(shadow_start, PAGE_SIZE);
+	shadow_end = (unsigned long)kasan_mem_to_shadow((void *)addr + size);
+	shadow_end = ALIGN(shadow_end, PAGE_SIZE);
+
+	ret = apply_to_page_range(&init_mm, shadow_start,
+				  shadow_end - shadow_start,
+				  kasan_populate_vmalloc_pte, NULL);
+	if (ret)
+		return ret;
+
+	flush_cache_vmap(shadow_start, shadow_end);
+
+	/*
+	 * We need to be careful about inter-cpu effects here. Consider:
+	 *
+	 *   CPU#0				  CPU#1
+	 * WRITE_ONCE(p, vmalloc(100));		while (x = READ_ONCE(p)) ;
+	 *					p[99] = 1;
+	 *
+	 * With compiler instrumentation, that ends up looking like this:
+	 *
+	 *   CPU#0				  CPU#1
+	 * // vmalloc() allocates memory
+	 * // let a = area->addr
+	 * // we reach kasan_populate_vmalloc
+	 * // and call kasan_unpoison:
+	 * STORE shadow(a), unpoison_val
+	 * ...
+	 * STORE shadow(a+99), unpoison_val	x = LOAD p
+	 * // rest of vmalloc process		<data dependency>
+	 * STORE p, a				LOAD shadow(x+99)
+	 *
+	 * If there is no barrier between the end of unpoisioning the shadow
+	 * and the store of the result to p, the stores could be committed
+	 * in a different order by CPU#0, and CPU#1 could erroneously observe
+	 * poison in the shadow.
+	 *
+	 * We need some sort of barrier between the stores.
+	 *
+	 * In the vmalloc() case, this is provided by a smp_wmb() in
+	 * clear_vm_uninitialized_flag(). In the per-cpu allocator and in
+	 * get_vm_area() and friends, the caller gets shadow allocated but
+	 * doesn't have any pages mapped into the virtual address space that
+	 * has been reserved. Mapping those pages in will involve taking and
+	 * releasing a page-table lock, which will provide the barrier.
+	 */
+
+	return 0;
+}
+
+static int kasan_depopulate_vmalloc_pte(pte_t *ptep, unsigned long addr,
+					void *unused)
+{
+	unsigned long page;
+
+	page = (unsigned long)__va(pte_pfn(*ptep) << PAGE_SHIFT);
+
+	spin_lock(&init_mm.page_table_lock);
+
+	if (likely(!pte_none(*ptep))) {
+		pte_clear(&init_mm, addr, ptep);
+		free_page(page);
+	}
+	spin_unlock(&init_mm.page_table_lock);
+
+	return 0;
+}
+
+/*
+ * Release the backing for the vmalloc region [start, end), which
+ * lies within the free region [free_region_start, free_region_end).
+ *
+ * This can be run lazily, long after the region was freed. It runs
+ * under vmap_area_lock, so it's not safe to interact with the vmalloc/vmap
+ * infrastructure.
+ *
+ * How does this work?
+ * -------------------
+ *
+ * We have a region that is page aligned, labelled as A.
+ * That might not map onto the shadow in a way that is page-aligned:
+ *
+ *                    start                     end
+ *                    v                         v
+ * |????????|????????|AAAAAAAA|AA....AA|AAAAAAAA|????????| < vmalloc
+ *  -------- -------- --------          -------- --------
+ *      |        |       |                 |        |
+ *      |        |       |         /-------/        |
+ *      \-------\|/------/         |/---------------/
+ *              |||                ||
+ *             |??AAAAAA|AAAAAAAA|AA??????|                < shadow
+ *                 (1)      (2)      (3)
+ *
+ * First we align the start upwards and the end downwards, so that the
+ * shadow of the region aligns with shadow page boundaries. In the
+ * example, this gives us the shadow page (2). This is the shadow entirely
+ * covered by this allocation.
+ *
+ * Then we have the tricky bits. We want to know if we can free the
+ * partially covered shadow pages - (1) and (3) in the example. For this,
+ * we are given the start and end of the free region that contains this
+ * allocation. Extending our previous example, we could have:
+ *
+ *  free_region_start                                    free_region_end
+ *  |                 start                     end      |
+ *  v                 v                         v        v
+ * |FFFFFFFF|FFFFFFFF|AAAAAAAA|AA....AA|AAAAAAAA|FFFFFFFF| < vmalloc
+ *  -------- -------- --------          -------- --------
+ *      |        |       |                 |        |
+ *      |        |       |         /-------/        |
+ *      \-------\|/------/         |/---------------/
+ *              |||                ||
+ *             |FFAAAAAA|AAAAAAAA|AAF?????|                < shadow
+ *                 (1)      (2)      (3)
+ *
+ * Once again, we align the start of the free region up, and the end of
+ * the free region down so that the shadow is page aligned. So we can free
+ * page (1) - we know no allocation currently uses anything in that page,
+ * because all of it is in the vmalloc free region. But we cannot free
+ * page (3), because we can't be sure that the rest of it is unused.
+ *
+ * We only consider pages that contain part of the original region for
+ * freeing: we don't try to free other pages from the free region or we'd
+ * end up trying to free huge chunks of virtual address space.
+ *
+ * Concurrency
+ * -----------
+ *
+ * How do we know that we're not freeing a page that is simultaneously
+ * being used for a fresh allocation in kasan_populate_vmalloc(_pte)?
+ *
+ * We _can_ have kasan_release_vmalloc and kasan_populate_vmalloc running
+ * at the same time. While we run under free_vmap_area_lock, the population
+ * code does not.
+ *
+ * free_vmap_area_lock instead operates to ensure that the larger range
+ * [free_region_start, free_region_end) is safe: because __alloc_vmap_area and
+ * the per-cpu region-finding algorithm both run under free_vmap_area_lock,
+ * no space identified as free will become used while we are running. This
+ * means that so long as we are careful with alignment and only free shadow
+ * pages entirely covered by the free region, we will not run in to any
+ * trouble - any simultaneous allocations will be for disjoint regions.
+ */
+void kasan_release_vmalloc(unsigned long start, unsigned long end,
+			   unsigned long free_region_start,
+			   unsigned long free_region_end)
+{
+	void *shadow_start, *shadow_end;
+	unsigned long region_start, region_end;
+	unsigned long size;
+
+	region_start = ALIGN(start, KASAN_MEMORY_PER_SHADOW_PAGE);
+	region_end = ALIGN_DOWN(end, KASAN_MEMORY_PER_SHADOW_PAGE);
+
+	free_region_start = ALIGN(free_region_start, KASAN_MEMORY_PER_SHADOW_PAGE);
+
+	if (start != region_start &&
+	    free_region_start < region_start)
+		region_start -= KASAN_MEMORY_PER_SHADOW_PAGE;
+
+	free_region_end = ALIGN_DOWN(free_region_end, KASAN_MEMORY_PER_SHADOW_PAGE);
+
+	if (end != region_end &&
+	    free_region_end > region_end)
+		region_end += KASAN_MEMORY_PER_SHADOW_PAGE;
+
+	shadow_start = kasan_mem_to_shadow((void *)region_start);
+	shadow_end = kasan_mem_to_shadow((void *)region_end);
+
+	if (shadow_end > shadow_start) {
+		size = shadow_end - shadow_start;
+		apply_to_existing_page_range(&init_mm,
+					     (unsigned long)shadow_start,
+					     size, kasan_depopulate_vmalloc_pte,
+					     NULL);
+		flush_tlb_kernel_range((unsigned long)shadow_start,
+				       (unsigned long)shadow_end);
+	}
+}
+
+void *__kasan_unpoison_vmalloc(const void *start, unsigned long size,
+			       kasan_vmalloc_flags_t flags)
+{
+	/*
+	 * Software KASAN modes unpoison both VM_ALLOC and non-VM_ALLOC
+	 * mappings, so the KASAN_VMALLOC_VM_ALLOC flag is ignored.
+	 * Software KASAN modes can't optimize zeroing memory by combining it
+	 * with setting memory tags, so the KASAN_VMALLOC_INIT flag is ignored.
+	 */
+
+	if (!is_vmalloc_or_module_addr(start))
+		return (void *)start;
+
+	/*
+	 * Don't tag executable memory with the tag-based mode.
+	 * The kernel doesn't tolerate having the PC register tagged.
+	 */
+	if (IS_ENABLED(CONFIG_KASAN_SW_TAGS) &&
+	    !(flags & KASAN_VMALLOC_PROT_NORMAL))
+		return (void *)start;
+
+	start = set_tag(start, kasan_random_tag());
+	kasan_unpoison(start, size, false);
+	return (void *)start;
+}
+
+/*
+ * Poison the shadow for a vmalloc region. Called as part of the
+ * freeing process at the time the region is freed.
+ */
+void __kasan_poison_vmalloc(const void *start, unsigned long size)
+{
+	if (!is_vmalloc_or_module_addr(start))
+		return;
+
+	size = round_up(size, KASAN_GRANULE_SIZE);
+	kasan_poison(start, size, KASAN_VMALLOC_INVALID, false);
+}
+
+#else /* CONFIG_KASAN_VMALLOC */
+
+int kasan_alloc_module_shadow(void *addr, size_t size, gfp_t gfp_mask)
+{
+	void *ret;
+	size_t scaled_size;
+	size_t shadow_size;
+	unsigned long shadow_start;
+
+	shadow_start = (unsigned long)kasan_mem_to_shadow(addr);
+	scaled_size = (size + KASAN_GRANULE_SIZE - 1) >>
+				KASAN_SHADOW_SCALE_SHIFT;
+	shadow_size = round_up(scaled_size, PAGE_SIZE);
+
+	if (WARN_ON(!PAGE_ALIGNED(shadow_start)))
+		return -EINVAL;
+
+	ret = __vmalloc_node_range(shadow_size, 1, shadow_start,
+			shadow_start + shadow_size,
+			GFP_KERNEL,
+			PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE,
+			__builtin_return_address(0));
+
+	if (ret) {
+		struct vm_struct *vm = find_vm_area(addr);
+		__memset(ret, KASAN_SHADOW_INIT, shadow_size);
+		vm->flags |= VM_KASAN;
+		kmemleak_ignore(ret);
+
+		if (vm->flags & VM_DEFER_KMEMLEAK)
+			kmemleak_vmalloc(vm, size, gfp_mask);
+
+		return 0;
+	}
+
+	return -ENOMEM;
+}
+
+void kasan_free_module_shadow(const struct vm_struct *vm)
+{
+	if (vm->flags & VM_KASAN)
+		vfree(kasan_mem_to_shadow(vm->addr));
+}
+
+#endif
diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c
new file mode 100644
index 0000000..77f13f3
--- /dev/null
+++ b/mm/kasan/sw_tags.c
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains core software tag-based KASAN code.
+ *
+ * Copyright (c) 2018 Google, Inc.
+ * Author: Andrey Konovalov <andreyknvl@google.com>
+ */
+
+#define pr_fmt(fmt) "kasan: " fmt
+
+#include <linux/export.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/kasan.h>
+#include <linux/kernel.h>
+#include <linux/kmemleak.h>
+#include <linux/linkage.h>
+#include <linux/memblock.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/printk.h>
+#include <linux/random.h>
+#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
+#include <linux/slab.h>
+#include <linux/stacktrace.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/vmalloc.h>
+#include <linux/bug.h>
+
+#include "kasan.h"
+#include "../slab.h"
+
+static DEFINE_PER_CPU(u32, prng_state);
+
+void __init kasan_init_sw_tags(void)
+{
+	int cpu;
+
+	for_each_possible_cpu(cpu)
+		per_cpu(prng_state, cpu) = (u32)get_cycles();
+
+	pr_info("KernelAddressSanitizer initialized (sw-tags)\n");
+}
+
+/*
+ * If a preemption happens between this_cpu_read and this_cpu_write, the only
+ * side effect is that we'll give a few allocated in different contexts objects
+ * the same tag. Since tag-based KASAN is meant to be used a probabilistic
+ * bug-detection debug feature, this doesn't have significant negative impact.
+ *
+ * Ideally the tags use strong randomness to prevent any attempts to predict
+ * them during explicit exploit attempts. But strong randomness is expensive,
+ * and we did an intentional trade-off to use a PRNG. This non-atomic RMW
+ * sequence has in fact positive effect, since interrupts that randomly skew
+ * PRNG at unpredictable points do only good.
+ */
+u8 kasan_random_tag(void)
+{
+	u32 state = this_cpu_read(prng_state);
+
+	state = 1664525 * state + 1013904223;
+	this_cpu_write(prng_state, state);
+
+	return (u8)(state % (KASAN_TAG_MAX + 1));
+}
+
+bool kasan_check_range(unsigned long addr, size_t size, bool write,
+				unsigned long ret_ip)
+{
+	u8 tag;
+	u8 *shadow_first, *shadow_last, *shadow;
+	void *untagged_addr;
+
+	if (unlikely(size == 0))
+		return true;
+
+	if (unlikely(addr + size < addr))
+		return !kasan_report(addr, size, write, ret_ip);
+
+	tag = get_tag((const void *)addr);
+
+	/*
+	 * Ignore accesses for pointers tagged with 0xff (native kernel
+	 * pointer tag) to suppress false positives caused by kmap.
+	 *
+	 * Some kernel code was written to account for archs that don't keep
+	 * high memory mapped all the time, but rather map and unmap particular
+	 * pages when needed. Instead of storing a pointer to the kernel memory,
+	 * this code saves the address of the page structure and offset within
+	 * that page for later use. Those pages are then mapped and unmapped
+	 * with kmap/kunmap when necessary and virt_to_page is used to get the
+	 * virtual address of the page. For arm64 (that keeps the high memory
+	 * mapped all the time), kmap is turned into a page_address call.
+
+	 * The issue is that with use of the page_address + virt_to_page
+	 * sequence the top byte value of the original pointer gets lost (gets
+	 * set to KASAN_TAG_KERNEL (0xFF)).
+	 */
+	if (tag == KASAN_TAG_KERNEL)
+		return true;
+
+	untagged_addr = kasan_reset_tag((const void *)addr);
+	if (unlikely(untagged_addr <
+			kasan_shadow_to_mem((void *)KASAN_SHADOW_START))) {
+		return !kasan_report(addr, size, write, ret_ip);
+	}
+	shadow_first = kasan_mem_to_shadow(untagged_addr);
+	shadow_last = kasan_mem_to_shadow(untagged_addr + size - 1);
+	for (shadow = shadow_first; shadow <= shadow_last; shadow++) {
+		if (*shadow != tag) {
+			return !kasan_report(addr, size, write, ret_ip);
+		}
+	}
+
+	return true;
+}
+
+bool kasan_byte_accessible(const void *addr)
+{
+	u8 tag = get_tag(addr);
+	void *untagged_addr = kasan_reset_tag(addr);
+	u8 shadow_byte;
+
+	if (untagged_addr < kasan_shadow_to_mem((void *)KASAN_SHADOW_START))
+		return false;
+
+	shadow_byte = READ_ONCE(*(u8 *)kasan_mem_to_shadow(untagged_addr));
+	return tag == KASAN_TAG_KERNEL || tag == shadow_byte;
+}
+
+#define DEFINE_HWASAN_LOAD_STORE(size)					\
+	void __hwasan_load##size##_noabort(unsigned long addr)		\
+	{								\
+		kasan_check_range(addr, size, false, _RET_IP_);	\
+	}								\
+	EXPORT_SYMBOL(__hwasan_load##size##_noabort);			\
+	void __hwasan_store##size##_noabort(unsigned long addr)		\
+	{								\
+		kasan_check_range(addr, size, true, _RET_IP_);		\
+	}								\
+	EXPORT_SYMBOL(__hwasan_store##size##_noabort)
+
+DEFINE_HWASAN_LOAD_STORE(1);
+DEFINE_HWASAN_LOAD_STORE(2);
+DEFINE_HWASAN_LOAD_STORE(4);
+DEFINE_HWASAN_LOAD_STORE(8);
+DEFINE_HWASAN_LOAD_STORE(16);
+
+void __hwasan_loadN_noabort(unsigned long addr, unsigned long size)
+{
+	kasan_check_range(addr, size, false, _RET_IP_);
+}
+EXPORT_SYMBOL(__hwasan_loadN_noabort);
+
+void __hwasan_storeN_noabort(unsigned long addr, unsigned long size)
+{
+	kasan_check_range(addr, size, true, _RET_IP_);
+}
+EXPORT_SYMBOL(__hwasan_storeN_noabort);
+
+void __hwasan_tag_memory(unsigned long addr, u8 tag, unsigned long size)
+{
+	kasan_poison((void *)addr, size, tag, false);
+}
+EXPORT_SYMBOL(__hwasan_tag_memory);
+
+void kasan_tag_mismatch(unsigned long addr, unsigned long access_info,
+			unsigned long ret_ip)
+{
+	kasan_report(addr, 1 << (access_info & 0xf), access_info & 0x10,
+		     ret_ip);
+}
diff --git a/mm/kasan/tags.c b/mm/kasan/tags.c
index e02a36a..8f48b95 100644
--- a/mm/kasan/tags.c
+++ b/mm/kasan/tags.c
@@ -1,166 +1,21 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * This file contains core tag-based KASAN code.
+ * This file contains common tag-based KASAN code.
  *
  * Copyright (c) 2018 Google, Inc.
- * Author: Andrey Konovalov <andreyknvl@google.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
+ * Copyright (c) 2020 Google, Inc.
  */
 
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/export.h>
-#include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/kasan.h>
 #include <linux/kernel.h>
-#include <linux/kmemleak.h>
-#include <linux/linkage.h>
-#include <linux/memblock.h>
 #include <linux/memory.h>
 #include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/printk.h>
-#include <linux/random.h>
-#include <linux/sched.h>
-#include <linux/sched/task_stack.h>
-#include <linux/slab.h>
-#include <linux/stacktrace.h>
+#include <linux/static_key.h>
 #include <linux/string.h>
 #include <linux/types.h>
-#include <linux/vmalloc.h>
-#include <linux/bug.h>
 
 #include "kasan.h"
-#include "../slab.h"
-
-static DEFINE_PER_CPU(u32, prng_state);
-
-void kasan_init_tags(void)
-{
-	int cpu;
-
-	for_each_possible_cpu(cpu)
-		per_cpu(prng_state, cpu) = (u32)get_cycles();
-}
-
-/*
- * If a preemption happens between this_cpu_read and this_cpu_write, the only
- * side effect is that we'll give a few allocated in different contexts objects
- * the same tag. Since tag-based KASAN is meant to be used a probabilistic
- * bug-detection debug feature, this doesn't have significant negative impact.
- *
- * Ideally the tags use strong randomness to prevent any attempts to predict
- * them during explicit exploit attempts. But strong randomness is expensive,
- * and we did an intentional trade-off to use a PRNG. This non-atomic RMW
- * sequence has in fact positive effect, since interrupts that randomly skew
- * PRNG at unpredictable points do only good.
- */
-u8 random_tag(void)
-{
-	u32 state = this_cpu_read(prng_state);
-
-	state = 1664525 * state + 1013904223;
-	this_cpu_write(prng_state, state);
-
-	return (u8)(state % (KASAN_TAG_MAX + 1));
-}
-
-void *kasan_reset_tag(const void *addr)
-{
-	return reset_tag(addr);
-}
-
-bool check_memory_region(unsigned long addr, size_t size, bool write,
-				unsigned long ret_ip)
-{
-	u8 tag;
-	u8 *shadow_first, *shadow_last, *shadow;
-	void *untagged_addr;
-
-	if (unlikely(size == 0))
-		return true;
-
-	if (unlikely(addr + size < addr))
-		return !kasan_report(addr, size, write, ret_ip);
-
-	tag = get_tag((const void *)addr);
-
-	/*
-	 * Ignore accesses for pointers tagged with 0xff (native kernel
-	 * pointer tag) to suppress false positives caused by kmap.
-	 *
-	 * Some kernel code was written to account for archs that don't keep
-	 * high memory mapped all the time, but rather map and unmap particular
-	 * pages when needed. Instead of storing a pointer to the kernel memory,
-	 * this code saves the address of the page structure and offset within
-	 * that page for later use. Those pages are then mapped and unmapped
-	 * with kmap/kunmap when necessary and virt_to_page is used to get the
-	 * virtual address of the page. For arm64 (that keeps the high memory
-	 * mapped all the time), kmap is turned into a page_address call.
-
-	 * The issue is that with use of the page_address + virt_to_page
-	 * sequence the top byte value of the original pointer gets lost (gets
-	 * set to KASAN_TAG_KERNEL (0xFF)).
-	 */
-	if (tag == KASAN_TAG_KERNEL)
-		return true;
-
-	untagged_addr = reset_tag((const void *)addr);
-	if (unlikely(untagged_addr <
-			kasan_shadow_to_mem((void *)KASAN_SHADOW_START))) {
-		return !kasan_report(addr, size, write, ret_ip);
-	}
-	shadow_first = kasan_mem_to_shadow(untagged_addr);
-	shadow_last = kasan_mem_to_shadow(untagged_addr + size - 1);
-	for (shadow = shadow_first; shadow <= shadow_last; shadow++) {
-		if (*shadow != tag) {
-			return !kasan_report(addr, size, write, ret_ip);
-		}
-	}
-
-	return true;
-}
-
-#define DEFINE_HWASAN_LOAD_STORE(size)					\
-	void __hwasan_load##size##_noabort(unsigned long addr)		\
-	{								\
-		check_memory_region(addr, size, false, _RET_IP_);	\
-	}								\
-	EXPORT_SYMBOL(__hwasan_load##size##_noabort);			\
-	void __hwasan_store##size##_noabort(unsigned long addr)		\
-	{								\
-		check_memory_region(addr, size, true, _RET_IP_);	\
-	}								\
-	EXPORT_SYMBOL(__hwasan_store##size##_noabort)
-
-DEFINE_HWASAN_LOAD_STORE(1);
-DEFINE_HWASAN_LOAD_STORE(2);
-DEFINE_HWASAN_LOAD_STORE(4);
-DEFINE_HWASAN_LOAD_STORE(8);
-DEFINE_HWASAN_LOAD_STORE(16);
-
-void __hwasan_loadN_noabort(unsigned long addr, unsigned long size)
-{
-	check_memory_region(addr, size, false, _RET_IP_);
-}
-EXPORT_SYMBOL(__hwasan_loadN_noabort);
-
-void __hwasan_storeN_noabort(unsigned long addr, unsigned long size)
-{
-	check_memory_region(addr, size, true, _RET_IP_);
-}
-EXPORT_SYMBOL(__hwasan_storeN_noabort);
-
-void __hwasan_tag_memory(unsigned long addr, u8 tag, unsigned long size)
-{
-	kasan_poison_shadow((void *)addr, size, tag);
-}
-EXPORT_SYMBOL(__hwasan_tag_memory);
 
 void kasan_set_free_info(struct kmem_cache *cache,
 				void *object, u8 tag)
@@ -168,9 +23,11 @@
 	struct kasan_alloc_meta *alloc_meta;
 	u8 idx = 0;
 
-	alloc_meta = get_alloc_info(cache, object);
+	alloc_meta = kasan_get_alloc_meta(cache, object);
+	if (!alloc_meta)
+		return;
 
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 	idx = alloc_meta->free_track_idx;
 	alloc_meta->free_pointer_tag[idx] = tag;
 	alloc_meta->free_track_idx = (idx + 1) % KASAN_NR_FREE_STACKS;
@@ -185,9 +42,11 @@
 	struct kasan_alloc_meta *alloc_meta;
 	int i = 0;
 
-	alloc_meta = get_alloc_info(cache, object);
+	alloc_meta = kasan_get_alloc_meta(cache, object);
+	if (!alloc_meta)
+		return NULL;
 
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
+#ifdef CONFIG_KASAN_TAGS_IDENTIFY
 	for (i = 0; i < KASAN_NR_FREE_STACKS; i++) {
 		if (alloc_meta->free_pointer_tag[i] == tag)
 			break;
diff --git a/mm/kasan/tags_report.c b/mm/kasan/tags_report.c
deleted file mode 100644
index bee4371..0000000
--- a/mm/kasan/tags_report.c
+++ /dev/null
@@ -1,93 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * This file contains tag-based KASAN specific error reporting code.
- *
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
- * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
- *
- * Some code borrowed from https://github.com/xairy/kasan-prototype by
- *        Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/bitops.h>
-#include <linux/ftrace.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/printk.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/stackdepot.h>
-#include <linux/stacktrace.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/kasan.h>
-#include <linux/module.h>
-
-#include <asm/sections.h>
-
-#include "kasan.h"
-#include "../slab.h"
-
-const char *get_bug_type(struct kasan_access_info *info)
-{
-#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
-	struct kasan_alloc_meta *alloc_meta;
-	struct kmem_cache *cache;
-	struct page *page;
-	const void *addr;
-	void *object;
-	u8 tag;
-	int i;
-
-	tag = get_tag(info->access_addr);
-	addr = reset_tag(info->access_addr);
-	page = kasan_addr_to_page(addr);
-	if (page && PageSlab(page)) {
-		cache = page->slab_cache;
-		object = nearest_obj(cache, page, (void *)addr);
-		alloc_meta = get_alloc_info(cache, object);
-
-		for (i = 0; i < KASAN_NR_FREE_STACKS; i++)
-			if (alloc_meta->free_pointer_tag[i] == tag)
-				return "use-after-free";
-		return "out-of-bounds";
-	}
-
-#endif
-	/*
-	 * If access_size is a negative number, then it has reason to be
-	 * defined as out-of-bounds bug type.
-	 *
-	 * Casting negative numbers to size_t would indeed turn up as
-	 * a large size_t and its value will be larger than ULONG_MAX/2,
-	 * so that this can qualify as out-of-bounds.
-	 */
-	if (info->access_addr + info->access_size < info->access_addr)
-		return "out-of-bounds";
-
-	return "invalid-access";
-}
-
-void *find_first_bad_addr(void *addr, size_t size)
-{
-	u8 tag = get_tag(addr);
-	void *p = reset_tag(addr);
-	void *end = p + size;
-
-	while (p < end && tag == *(u8 *)kasan_mem_to_shadow(p))
-		p += KASAN_SHADOW_SCALE_SIZE;
-	return p;
-}
-
-void print_tags(u8 addr_tag, const void *addr)
-{
-	u8 *shadow = (u8 *)kasan_mem_to_shadow(addr);
-
-	pr_err("Pointer tag: [%02x], memory tag: [%02x]\n", addr_tag, *shadow);
-}
diff --git a/mm/kfence/Makefile b/mm/kfence/Makefile
new file mode 100644
index 0000000..cb2bcf7
--- /dev/null
+++ b/mm/kfence/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_KFENCE) := core.o report.o
+
+CFLAGS_kfence_test.o := -fno-omit-frame-pointer -fno-optimize-sibling-calls
+obj-$(CONFIG_KFENCE_KUNIT_TEST) += kfence_test.o
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
new file mode 100644
index 0000000..56bbacb
--- /dev/null
+++ b/mm/kfence/core.c
@@ -0,0 +1,889 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KFENCE guarded object allocator and fault handling.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#define pr_fmt(fmt) "kfence: " fmt
+
+#include <linux/atomic.h>
+#include <linux/bug.h>
+#include <linux/debugfs.h>
+#include <linux/irq_work.h>
+#include <linux/kcsan-checks.h>
+#include <linux/kfence.h>
+#include <linux/kmemleak.h>
+#include <linux/list.h>
+#include <linux/lockdep.h>
+#include <linux/memblock.h>
+#include <linux/moduleparam.h>
+#include <linux/random.h>
+#include <linux/rcupdate.h>
+#include <linux/sched/sysctl.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+
+#include <asm/kfence.h>
+
+#include "kfence.h"
+
+/* Disables KFENCE on the first warning assuming an irrecoverable error. */
+#define KFENCE_WARN_ON(cond)                                                   \
+	({                                                                     \
+		const bool __cond = WARN_ON(cond);                             \
+		if (unlikely(__cond))                                          \
+			WRITE_ONCE(kfence_enabled, false);                     \
+		__cond;                                                        \
+	})
+
+/* === Data ================================================================= */
+
+static bool kfence_enabled __read_mostly;
+
+static unsigned long kfence_sample_interval __read_mostly = CONFIG_KFENCE_SAMPLE_INTERVAL;
+
+#ifdef MODULE_PARAM_PREFIX
+#undef MODULE_PARAM_PREFIX
+#endif
+#define MODULE_PARAM_PREFIX "kfence."
+
+static int param_set_sample_interval(const char *val, const struct kernel_param *kp)
+{
+	unsigned long num;
+	int ret = kstrtoul(val, 0, &num);
+
+	if (ret < 0)
+		return ret;
+
+	if (!num) /* Using 0 to indicate KFENCE is disabled. */
+		WRITE_ONCE(kfence_enabled, false);
+	else if (!READ_ONCE(kfence_enabled) && system_state != SYSTEM_BOOTING)
+		return -EINVAL; /* Cannot (re-)enable KFENCE on-the-fly. */
+
+	*((unsigned long *)kp->arg) = num;
+	return 0;
+}
+
+static int param_get_sample_interval(char *buffer, const struct kernel_param *kp)
+{
+	if (!READ_ONCE(kfence_enabled))
+		return sprintf(buffer, "0\n");
+
+	return param_get_ulong(buffer, kp);
+}
+
+static const struct kernel_param_ops sample_interval_param_ops = {
+	.set = param_set_sample_interval,
+	.get = param_get_sample_interval,
+};
+module_param_cb(sample_interval, &sample_interval_param_ops, &kfence_sample_interval, 0600);
+
+/* The pool of pages used for guard pages and objects. */
+char *__kfence_pool __ro_after_init;
+EXPORT_SYMBOL(__kfence_pool); /* Export for test modules. */
+
+/*
+ * Per-object metadata, with one-to-one mapping of object metadata to
+ * backing pages (in __kfence_pool).
+ */
+static_assert(CONFIG_KFENCE_NUM_OBJECTS > 0);
+struct kfence_metadata kfence_metadata[CONFIG_KFENCE_NUM_OBJECTS];
+
+/* Freelist with available objects. */
+static struct list_head kfence_freelist = LIST_HEAD_INIT(kfence_freelist);
+static DEFINE_RAW_SPINLOCK(kfence_freelist_lock); /* Lock protecting freelist. */
+
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+/* The static key to set up a KFENCE allocation. */
+DEFINE_STATIC_KEY_FALSE(kfence_allocation_key);
+#endif
+
+/* Gates the allocation, ensuring only one succeeds in a given period. */
+atomic_t kfence_allocation_gate = ATOMIC_INIT(1);
+
+/* Statistics counters for debugfs. */
+enum kfence_counter_id {
+	KFENCE_COUNTER_ALLOCATED,
+	KFENCE_COUNTER_ALLOCS,
+	KFENCE_COUNTER_FREES,
+	KFENCE_COUNTER_ZOMBIES,
+	KFENCE_COUNTER_BUGS,
+	KFENCE_COUNTER_COUNT,
+};
+static atomic_long_t counters[KFENCE_COUNTER_COUNT];
+static const char *const counter_names[] = {
+	[KFENCE_COUNTER_ALLOCATED]	= "currently allocated",
+	[KFENCE_COUNTER_ALLOCS]		= "total allocations",
+	[KFENCE_COUNTER_FREES]		= "total frees",
+	[KFENCE_COUNTER_ZOMBIES]	= "zombie allocations",
+	[KFENCE_COUNTER_BUGS]		= "total bugs",
+};
+static_assert(ARRAY_SIZE(counter_names) == KFENCE_COUNTER_COUNT);
+
+/* === Internals ============================================================ */
+
+static bool kfence_protect(unsigned long addr)
+{
+	return !KFENCE_WARN_ON(!kfence_protect_page(ALIGN_DOWN(addr, PAGE_SIZE), true));
+}
+
+static bool kfence_unprotect(unsigned long addr)
+{
+	return !KFENCE_WARN_ON(!kfence_protect_page(ALIGN_DOWN(addr, PAGE_SIZE), false));
+}
+
+static inline struct kfence_metadata *addr_to_metadata(unsigned long addr)
+{
+	long index;
+
+	/* The checks do not affect performance; only called from slow-paths. */
+
+	if (!is_kfence_address((void *)addr))
+		return NULL;
+
+	/*
+	 * May be an invalid index if called with an address at the edge of
+	 * __kfence_pool, in which case we would report an "invalid access"
+	 * error.
+	 */
+	index = (addr - (unsigned long)__kfence_pool) / (PAGE_SIZE * 2) - 1;
+	if (index < 0 || index >= CONFIG_KFENCE_NUM_OBJECTS)
+		return NULL;
+
+	return &kfence_metadata[index];
+}
+
+static inline unsigned long metadata_to_pageaddr(const struct kfence_metadata *meta)
+{
+	unsigned long offset = (meta - kfence_metadata + 1) * PAGE_SIZE * 2;
+	unsigned long pageaddr = (unsigned long)&__kfence_pool[offset];
+
+	/* The checks do not affect performance; only called from slow-paths. */
+
+	/* Only call with a pointer into kfence_metadata. */
+	if (KFENCE_WARN_ON(meta < kfence_metadata ||
+			   meta >= kfence_metadata + CONFIG_KFENCE_NUM_OBJECTS))
+		return 0;
+
+	/*
+	 * This metadata object only ever maps to 1 page; verify that the stored
+	 * address is in the expected range.
+	 */
+	if (KFENCE_WARN_ON(ALIGN_DOWN(meta->addr, PAGE_SIZE) != pageaddr))
+		return 0;
+
+	return pageaddr;
+}
+
+/*
+ * Update the object's metadata state, including updating the alloc/free stacks
+ * depending on the state transition.
+ */
+static noinline void metadata_update_state(struct kfence_metadata *meta,
+					   enum kfence_object_state next)
+{
+	struct kfence_track *track =
+		next == KFENCE_OBJECT_FREED ? &meta->free_track : &meta->alloc_track;
+
+	lockdep_assert_held(&meta->lock);
+
+	/*
+	 * Skip over 1 (this) functions; noinline ensures we do not accidentally
+	 * skip over the caller by never inlining.
+	 */
+	track->num_stack_entries = stack_trace_save(track->stack_entries, KFENCE_STACK_DEPTH, 1);
+	track->pid = task_pid_nr(current);
+
+	/*
+	 * Pairs with READ_ONCE() in
+	 *	kfence_shutdown_cache(),
+	 *	kfence_handle_page_fault().
+	 */
+	WRITE_ONCE(meta->state, next);
+}
+
+/* Write canary byte to @addr. */
+static inline bool set_canary_byte(u8 *addr)
+{
+	*addr = KFENCE_CANARY_PATTERN(addr);
+	return true;
+}
+
+/* Check canary byte at @addr. */
+static inline bool check_canary_byte(u8 *addr)
+{
+	if (likely(*addr == KFENCE_CANARY_PATTERN(addr)))
+		return true;
+
+	atomic_long_inc(&counters[KFENCE_COUNTER_BUGS]);
+	kfence_report_error((unsigned long)addr, false, NULL, addr_to_metadata((unsigned long)addr),
+			    KFENCE_ERROR_CORRUPTION);
+	return false;
+}
+
+/* __always_inline this to ensure we won't do an indirect call to fn. */
+static __always_inline void for_each_canary(const struct kfence_metadata *meta, bool (*fn)(u8 *))
+{
+	const unsigned long pageaddr = ALIGN_DOWN(meta->addr, PAGE_SIZE);
+	unsigned long addr;
+
+	lockdep_assert_held(&meta->lock);
+
+	/*
+	 * We'll iterate over each canary byte per-side until fn() returns
+	 * false. However, we'll still iterate over the canary bytes to the
+	 * right of the object even if there was an error in the canary bytes to
+	 * the left of the object. Specifically, if check_canary_byte()
+	 * generates an error, showing both sides might give more clues as to
+	 * what the error is about when displaying which bytes were corrupted.
+	 */
+
+	/* Apply to left of object. */
+	for (addr = pageaddr; addr < meta->addr; addr++) {
+		if (!fn((u8 *)addr))
+			break;
+	}
+
+	/* Apply to right of object. */
+	for (addr = meta->addr + meta->size; addr < pageaddr + PAGE_SIZE; addr++) {
+		if (!fn((u8 *)addr))
+			break;
+	}
+}
+
+static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t gfp)
+{
+	struct kfence_metadata *meta = NULL;
+	unsigned long flags;
+	struct page *page;
+	void *addr;
+
+	/* Try to obtain a free object. */
+	raw_spin_lock_irqsave(&kfence_freelist_lock, flags);
+	if (!list_empty(&kfence_freelist)) {
+		meta = list_entry(kfence_freelist.next, struct kfence_metadata, list);
+		list_del_init(&meta->list);
+	}
+	raw_spin_unlock_irqrestore(&kfence_freelist_lock, flags);
+	if (!meta)
+		return NULL;
+
+	if (unlikely(!raw_spin_trylock_irqsave(&meta->lock, flags))) {
+		/*
+		 * This is extremely unlikely -- we are reporting on a
+		 * use-after-free, which locked meta->lock, and the reporting
+		 * code via printk calls kmalloc() which ends up in
+		 * kfence_alloc() and tries to grab the same object that we're
+		 * reporting on. While it has never been observed, lockdep does
+		 * report that there is a possibility of deadlock. Fix it by
+		 * using trylock and bailing out gracefully.
+		 */
+		raw_spin_lock_irqsave(&kfence_freelist_lock, flags);
+		/* Put the object back on the freelist. */
+		list_add_tail(&meta->list, &kfence_freelist);
+		raw_spin_unlock_irqrestore(&kfence_freelist_lock, flags);
+
+		return NULL;
+	}
+
+	meta->addr = metadata_to_pageaddr(meta);
+	/* Unprotect if we're reusing this page. */
+	if (meta->state == KFENCE_OBJECT_FREED)
+		kfence_unprotect(meta->addr);
+
+	/*
+	 * Note: for allocations made before RNG initialization, will always
+	 * return zero. We still benefit from enabling KFENCE as early as
+	 * possible, even when the RNG is not yet available, as this will allow
+	 * KFENCE to detect bugs due to earlier allocations. The only downside
+	 * is that the out-of-bounds accesses detected are deterministic for
+	 * such allocations.
+	 */
+	if (prandom_u32_max(2)) {
+		/* Allocate on the "right" side, re-calculate address. */
+		meta->addr += PAGE_SIZE - size;
+		meta->addr = ALIGN_DOWN(meta->addr, cache->align);
+	}
+
+	addr = (void *)meta->addr;
+
+	/* Update remaining metadata. */
+	metadata_update_state(meta, KFENCE_OBJECT_ALLOCATED);
+	/* Pairs with READ_ONCE() in kfence_shutdown_cache(). */
+	WRITE_ONCE(meta->cache, cache);
+	meta->size = size;
+	for_each_canary(meta, set_canary_byte);
+
+	/* Set required struct page fields. */
+	page = virt_to_page(meta->addr);
+	page->slab_cache = cache;
+	if (IS_ENABLED(CONFIG_SLUB))
+		page->objects = 1;
+	if (IS_ENABLED(CONFIG_SLAB))
+		page->s_mem = addr;
+
+	raw_spin_unlock_irqrestore(&meta->lock, flags);
+
+	/* Memory initialization. */
+
+	/*
+	 * We check slab_want_init_on_alloc() ourselves, rather than letting
+	 * SL*B do the initialization, as otherwise we might overwrite KFENCE's
+	 * redzone.
+	 */
+	if (unlikely(slab_want_init_on_alloc(gfp, cache)))
+		memzero_explicit(addr, size);
+	if (cache->ctor)
+		cache->ctor(addr);
+
+	if (CONFIG_KFENCE_STRESS_TEST_FAULTS && !prandom_u32_max(CONFIG_KFENCE_STRESS_TEST_FAULTS))
+		kfence_protect(meta->addr); /* Random "faults" by protecting the object. */
+
+	atomic_long_inc(&counters[KFENCE_COUNTER_ALLOCATED]);
+	atomic_long_inc(&counters[KFENCE_COUNTER_ALLOCS]);
+
+	return addr;
+}
+
+static void kfence_guarded_free(void *addr, struct kfence_metadata *meta, bool zombie)
+{
+	struct kcsan_scoped_access assert_page_exclusive;
+	unsigned long flags;
+
+	raw_spin_lock_irqsave(&meta->lock, flags);
+
+	if (meta->state != KFENCE_OBJECT_ALLOCATED || meta->addr != (unsigned long)addr) {
+		/* Invalid or double-free, bail out. */
+		atomic_long_inc(&counters[KFENCE_COUNTER_BUGS]);
+		kfence_report_error((unsigned long)addr, false, NULL, meta,
+				    KFENCE_ERROR_INVALID_FREE);
+		raw_spin_unlock_irqrestore(&meta->lock, flags);
+		return;
+	}
+
+	/* Detect racy use-after-free, or incorrect reallocation of this page by KFENCE. */
+	kcsan_begin_scoped_access((void *)ALIGN_DOWN((unsigned long)addr, PAGE_SIZE), PAGE_SIZE,
+				  KCSAN_ACCESS_SCOPED | KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ASSERT,
+				  &assert_page_exclusive);
+
+	if (CONFIG_KFENCE_STRESS_TEST_FAULTS)
+		kfence_unprotect((unsigned long)addr); /* To check canary bytes. */
+
+	/* Restore page protection if there was an OOB access. */
+	if (meta->unprotected_page) {
+		memzero_explicit((void *)ALIGN_DOWN(meta->unprotected_page, PAGE_SIZE), PAGE_SIZE);
+		kfence_protect(meta->unprotected_page);
+		meta->unprotected_page = 0;
+	}
+
+	/* Check canary bytes for memory corruption. */
+	for_each_canary(meta, check_canary_byte);
+
+	/*
+	 * Clear memory if init-on-free is set. While we protect the page, the
+	 * data is still there, and after a use-after-free is detected, we
+	 * unprotect the page, so the data is still accessible.
+	 */
+	if (!zombie && unlikely(slab_want_init_on_free(meta->cache)))
+		memzero_explicit(addr, meta->size);
+
+	/* Mark the object as freed. */
+	metadata_update_state(meta, KFENCE_OBJECT_FREED);
+
+	raw_spin_unlock_irqrestore(&meta->lock, flags);
+
+	/* Protect to detect use-after-frees. */
+	kfence_protect((unsigned long)addr);
+
+	kcsan_end_scoped_access(&assert_page_exclusive);
+	if (!zombie) {
+		/* Add it to the tail of the freelist for reuse. */
+		raw_spin_lock_irqsave(&kfence_freelist_lock, flags);
+		KFENCE_WARN_ON(!list_empty(&meta->list));
+		list_add_tail(&meta->list, &kfence_freelist);
+		raw_spin_unlock_irqrestore(&kfence_freelist_lock, flags);
+
+		atomic_long_dec(&counters[KFENCE_COUNTER_ALLOCATED]);
+		atomic_long_inc(&counters[KFENCE_COUNTER_FREES]);
+	} else {
+		/* See kfence_shutdown_cache(). */
+		atomic_long_inc(&counters[KFENCE_COUNTER_ZOMBIES]);
+	}
+}
+
+static void rcu_guarded_free(struct rcu_head *h)
+{
+	struct kfence_metadata *meta = container_of(h, struct kfence_metadata, rcu_head);
+
+	kfence_guarded_free((void *)meta->addr, meta, false);
+}
+
+static bool __init kfence_init_pool(void)
+{
+	unsigned long addr = (unsigned long)__kfence_pool;
+	struct page *pages;
+	int i;
+
+	if (!__kfence_pool)
+		return false;
+
+	if (!arch_kfence_init_pool())
+		goto err;
+
+	pages = virt_to_page(addr);
+
+	/*
+	 * Set up object pages: they must have PG_slab set, to avoid freeing
+	 * these as real pages.
+	 *
+	 * We also want to avoid inserting kfence_free() in the kfree()
+	 * fast-path in SLUB, and therefore need to ensure kfree() correctly
+	 * enters __slab_free() slow-path.
+	 */
+	for (i = 0; i < KFENCE_POOL_SIZE / PAGE_SIZE; i++) {
+		if (!i || (i % 2))
+			continue;
+
+		/* Verify we do not have a compound head page. */
+		if (WARN_ON(compound_head(&pages[i]) != &pages[i]))
+			goto err;
+
+		__SetPageSlab(&pages[i]);
+	}
+
+	/*
+	 * Protect the first 2 pages. The first page is mostly unnecessary, and
+	 * merely serves as an extended guard page. However, adding one
+	 * additional page in the beginning gives us an even number of pages,
+	 * which simplifies the mapping of address to metadata index.
+	 */
+	for (i = 0; i < 2; i++) {
+		if (unlikely(!kfence_protect(addr)))
+			goto err;
+
+		addr += PAGE_SIZE;
+	}
+
+	for (i = 0; i < CONFIG_KFENCE_NUM_OBJECTS; i++) {
+		struct kfence_metadata *meta = &kfence_metadata[i];
+
+		/* Initialize metadata. */
+		INIT_LIST_HEAD(&meta->list);
+		raw_spin_lock_init(&meta->lock);
+		meta->state = KFENCE_OBJECT_UNUSED;
+		meta->addr = addr; /* Initialize for validation in metadata_to_pageaddr(). */
+		list_add_tail(&meta->list, &kfence_freelist);
+
+		/* Protect the right redzone. */
+		if (unlikely(!kfence_protect(addr + PAGE_SIZE)))
+			goto err;
+
+		addr += 2 * PAGE_SIZE;
+	}
+
+	/*
+	 * The pool is live and will never be deallocated from this point on.
+	 * Remove the pool object from the kmemleak object tree, as it would
+	 * otherwise overlap with allocations returned by kfence_alloc(), which
+	 * are registered with kmemleak through the slab post-alloc hook.
+	 */
+	kmemleak_free(__kfence_pool);
+
+	return true;
+
+err:
+	/*
+	 * Only release unprotected pages, and do not try to go back and change
+	 * page attributes due to risk of failing to do so as well. If changing
+	 * page attributes for some pages fails, it is very likely that it also
+	 * fails for the first page, and therefore expect addr==__kfence_pool in
+	 * most failure cases.
+	 */
+	memblock_free_late(__pa(addr), KFENCE_POOL_SIZE - (addr - (unsigned long)__kfence_pool));
+	__kfence_pool = NULL;
+	return false;
+}
+
+/* === DebugFS Interface ==================================================== */
+
+static int stats_show(struct seq_file *seq, void *v)
+{
+	int i;
+
+	seq_printf(seq, "enabled: %i\n", READ_ONCE(kfence_enabled));
+	for (i = 0; i < KFENCE_COUNTER_COUNT; i++)
+		seq_printf(seq, "%s: %ld\n", counter_names[i], atomic_long_read(&counters[i]));
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(stats);
+
+/*
+ * debugfs seq_file operations for /sys/kernel/debug/kfence/objects.
+ * start_object() and next_object() return the object index + 1, because NULL is used
+ * to stop iteration.
+ */
+static void *start_object(struct seq_file *seq, loff_t *pos)
+{
+	if (*pos < CONFIG_KFENCE_NUM_OBJECTS)
+		return (void *)((long)*pos + 1);
+	return NULL;
+}
+
+static void stop_object(struct seq_file *seq, void *v)
+{
+}
+
+static void *next_object(struct seq_file *seq, void *v, loff_t *pos)
+{
+	++*pos;
+	if (*pos < CONFIG_KFENCE_NUM_OBJECTS)
+		return (void *)((long)*pos + 1);
+	return NULL;
+}
+
+static int show_object(struct seq_file *seq, void *v)
+{
+	struct kfence_metadata *meta = &kfence_metadata[(long)v - 1];
+	unsigned long flags;
+
+	raw_spin_lock_irqsave(&meta->lock, flags);
+	kfence_print_object(seq, meta);
+	raw_spin_unlock_irqrestore(&meta->lock, flags);
+	seq_puts(seq, "---------------------------------\n");
+
+	return 0;
+}
+
+static const struct seq_operations object_seqops = {
+	.start = start_object,
+	.next = next_object,
+	.stop = stop_object,
+	.show = show_object,
+};
+
+static int open_objects(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &object_seqops);
+}
+
+static const struct file_operations objects_fops = {
+	.open = open_objects,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = seq_release,
+};
+
+static int __init kfence_debugfs_init(void)
+{
+	struct dentry *kfence_dir = debugfs_create_dir("kfence", NULL);
+
+	debugfs_create_file("stats", 0444, kfence_dir, NULL, &stats_fops);
+	debugfs_create_file("objects", 0400, kfence_dir, NULL, &objects_fops);
+	return 0;
+}
+
+late_initcall(kfence_debugfs_init);
+
+/* === Allocation Gate Timer ================================================ */
+
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+/* Wait queue to wake up allocation-gate timer task. */
+static DECLARE_WAIT_QUEUE_HEAD(allocation_wait);
+
+static void wake_up_kfence_timer(struct irq_work *work)
+{
+	wake_up(&allocation_wait);
+}
+static DEFINE_IRQ_WORK(wake_up_kfence_timer_work, wake_up_kfence_timer);
+#endif
+
+/*
+ * Set up delayed work, which will enable and disable the static key. We need to
+ * use a work queue (rather than a simple timer), since enabling and disabling a
+ * static key cannot be done from an interrupt.
+ *
+ * Note: Toggling a static branch currently causes IPIs, and here we'll end up
+ * with a total of 2 IPIs to all CPUs. If this ends up a problem in future (with
+ * more aggressive sampling intervals), we could get away with a variant that
+ * avoids IPIs, at the cost of not immediately capturing allocations if the
+ * instructions remain cached.
+ */
+static struct delayed_work kfence_timer;
+static void toggle_allocation_gate(struct work_struct *work)
+{
+	if (!READ_ONCE(kfence_enabled))
+		return;
+
+	atomic_set(&kfence_allocation_gate, 0);
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+	/* Enable static key, and await allocation to happen. */
+	static_branch_enable(&kfence_allocation_key);
+
+	if (sysctl_hung_task_timeout_secs) {
+		/*
+		 * During low activity with no allocations we might wait a
+		 * while; let's avoid the hung task warning.
+		 */
+		wait_event_idle_timeout(allocation_wait, atomic_read(&kfence_allocation_gate),
+					sysctl_hung_task_timeout_secs * HZ / 2);
+	} else {
+		wait_event_idle(allocation_wait, atomic_read(&kfence_allocation_gate));
+	}
+
+	/* Disable static key and reset timer. */
+	static_branch_disable(&kfence_allocation_key);
+#endif
+	queue_delayed_work(system_unbound_wq, &kfence_timer,
+			   msecs_to_jiffies(kfence_sample_interval));
+}
+static DECLARE_DELAYED_WORK(kfence_timer, toggle_allocation_gate);
+
+/* === Public interface ===================================================== */
+
+void __init kfence_alloc_pool(void)
+{
+	if (!kfence_sample_interval)
+		return;
+
+	__kfence_pool = memblock_alloc(KFENCE_POOL_SIZE, PAGE_SIZE);
+
+	if (!__kfence_pool)
+		pr_err("failed to allocate pool\n");
+}
+
+void __init kfence_init(void)
+{
+	/* Setting kfence_sample_interval to 0 on boot disables KFENCE. */
+	if (!kfence_sample_interval)
+		return;
+
+	if (!kfence_init_pool()) {
+		pr_err("%s failed\n", __func__);
+		return;
+	}
+
+	WRITE_ONCE(kfence_enabled, true);
+	queue_delayed_work(system_unbound_wq, &kfence_timer, 0);
+	pr_info("initialized - using %lu bytes for %d objects at 0x%p-0x%p\n", KFENCE_POOL_SIZE,
+		CONFIG_KFENCE_NUM_OBJECTS, (void *)__kfence_pool,
+		(void *)(__kfence_pool + KFENCE_POOL_SIZE));
+}
+
+void kfence_shutdown_cache(struct kmem_cache *s)
+{
+	unsigned long flags;
+	struct kfence_metadata *meta;
+	int i;
+
+	for (i = 0; i < CONFIG_KFENCE_NUM_OBJECTS; i++) {
+		bool in_use;
+
+		meta = &kfence_metadata[i];
+
+		/*
+		 * If we observe some inconsistent cache and state pair where we
+		 * should have returned false here, cache destruction is racing
+		 * with either kmem_cache_alloc() or kmem_cache_free(). Taking
+		 * the lock will not help, as different critical section
+		 * serialization will have the same outcome.
+		 */
+		if (READ_ONCE(meta->cache) != s ||
+		    READ_ONCE(meta->state) != KFENCE_OBJECT_ALLOCATED)
+			continue;
+
+		raw_spin_lock_irqsave(&meta->lock, flags);
+		in_use = meta->cache == s && meta->state == KFENCE_OBJECT_ALLOCATED;
+		raw_spin_unlock_irqrestore(&meta->lock, flags);
+
+		if (in_use) {
+			/*
+			 * This cache still has allocations, and we should not
+			 * release them back into the freelist so they can still
+			 * safely be used and retain the kernel's default
+			 * behaviour of keeping the allocations alive (leak the
+			 * cache); however, they effectively become "zombie
+			 * allocations" as the KFENCE objects are the only ones
+			 * still in use and the owning cache is being destroyed.
+			 *
+			 * We mark them freed, so that any subsequent use shows
+			 * more useful error messages that will include stack
+			 * traces of the user of the object, the original
+			 * allocation, and caller to shutdown_cache().
+			 */
+			kfence_guarded_free((void *)meta->addr, meta, /*zombie=*/true);
+		}
+	}
+
+	for (i = 0; i < CONFIG_KFENCE_NUM_OBJECTS; i++) {
+		meta = &kfence_metadata[i];
+
+		/* See above. */
+		if (READ_ONCE(meta->cache) != s || READ_ONCE(meta->state) != KFENCE_OBJECT_FREED)
+			continue;
+
+		raw_spin_lock_irqsave(&meta->lock, flags);
+		if (meta->cache == s && meta->state == KFENCE_OBJECT_FREED)
+			meta->cache = NULL;
+		raw_spin_unlock_irqrestore(&meta->lock, flags);
+	}
+}
+
+void *__kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags)
+{
+	/*
+	 * Perform size check before switching kfence_allocation_gate, so that
+	 * we don't disable KFENCE without making an allocation.
+	 */
+	if (size > PAGE_SIZE)
+		return NULL;
+
+	/*
+	 * Skip allocations from non-default zones, including DMA. We cannot
+	 * guarantee that pages in the KFENCE pool will have the requested
+	 * properties (e.g. reside in DMAable memory).
+	 */
+	if ((flags & GFP_ZONEMASK) ||
+	    (s->flags & (SLAB_CACHE_DMA | SLAB_CACHE_DMA32)))
+		return NULL;
+
+	/*
+	 * allocation_gate only needs to become non-zero, so it doesn't make
+	 * sense to continue writing to it and pay the associated contention
+	 * cost, in case we have a large number of concurrent allocations.
+	 */
+	if (atomic_read(&kfence_allocation_gate) || atomic_inc_return(&kfence_allocation_gate) > 1)
+		return NULL;
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+	/*
+	 * waitqueue_active() is fully ordered after the update of
+	 * kfence_allocation_gate per atomic_inc_return().
+	 */
+	if (waitqueue_active(&allocation_wait)) {
+		/*
+		 * Calling wake_up() here may deadlock when allocations happen
+		 * from within timer code. Use an irq_work to defer it.
+		 */
+		irq_work_queue(&wake_up_kfence_timer_work);
+	}
+#endif
+
+	if (!READ_ONCE(kfence_enabled))
+		return NULL;
+
+	return kfence_guarded_alloc(s, size, flags);
+}
+
+size_t kfence_ksize(const void *addr)
+{
+	const struct kfence_metadata *meta = addr_to_metadata((unsigned long)addr);
+
+	/*
+	 * Read locklessly -- if there is a race with __kfence_alloc(), this is
+	 * either a use-after-free or invalid access.
+	 */
+	return meta ? meta->size : 0;
+}
+
+void *kfence_object_start(const void *addr)
+{
+	const struct kfence_metadata *meta = addr_to_metadata((unsigned long)addr);
+
+	/*
+	 * Read locklessly -- if there is a race with __kfence_alloc(), this is
+	 * either a use-after-free or invalid access.
+	 */
+	return meta ? (void *)meta->addr : NULL;
+}
+
+void __kfence_free(void *addr)
+{
+	struct kfence_metadata *meta = addr_to_metadata((unsigned long)addr);
+
+	/*
+	 * If the objects of the cache are SLAB_TYPESAFE_BY_RCU, defer freeing
+	 * the object, as the object page may be recycled for other-typed
+	 * objects once it has been freed. meta->cache may be NULL if the cache
+	 * was destroyed.
+	 */
+	if (unlikely(meta->cache && (meta->cache->flags & SLAB_TYPESAFE_BY_RCU)))
+		call_rcu(&meta->rcu_head, rcu_guarded_free);
+	else
+		kfence_guarded_free(addr, meta, false);
+}
+
+bool kfence_handle_page_fault(unsigned long addr, bool is_write, struct pt_regs *regs)
+{
+	const int page_index = (addr - (unsigned long)__kfence_pool) / PAGE_SIZE;
+	struct kfence_metadata *to_report = NULL;
+	enum kfence_error_type error_type;
+	unsigned long flags;
+
+	if (!is_kfence_address((void *)addr))
+		return false;
+
+	if (!READ_ONCE(kfence_enabled)) /* If disabled at runtime ... */
+		return kfence_unprotect(addr); /* ... unprotect and proceed. */
+
+	atomic_long_inc(&counters[KFENCE_COUNTER_BUGS]);
+
+	if (page_index % 2) {
+		/* This is a redzone, report a buffer overflow. */
+		struct kfence_metadata *meta;
+		int distance = 0;
+
+		meta = addr_to_metadata(addr - PAGE_SIZE);
+		if (meta && READ_ONCE(meta->state) == KFENCE_OBJECT_ALLOCATED) {
+			to_report = meta;
+			/* Data race ok; distance calculation approximate. */
+			distance = addr - data_race(meta->addr + meta->size);
+		}
+
+		meta = addr_to_metadata(addr + PAGE_SIZE);
+		if (meta && READ_ONCE(meta->state) == KFENCE_OBJECT_ALLOCATED) {
+			/* Data race ok; distance calculation approximate. */
+			if (!to_report || distance > data_race(meta->addr) - addr)
+				to_report = meta;
+		}
+
+		if (!to_report)
+			goto out;
+
+		raw_spin_lock_irqsave(&to_report->lock, flags);
+		to_report->unprotected_page = addr;
+		error_type = KFENCE_ERROR_OOB;
+
+		/*
+		 * If the object was freed before we took the look we can still
+		 * report this as an OOB -- the report will simply show the
+		 * stacktrace of the free as well.
+		 */
+	} else {
+		to_report = addr_to_metadata(addr);
+		if (!to_report)
+			goto out;
+
+		raw_spin_lock_irqsave(&to_report->lock, flags);
+		error_type = KFENCE_ERROR_UAF;
+		/*
+		 * We may race with __kfence_alloc(), and it is possible that a
+		 * freed object may be reallocated. We simply report this as a
+		 * use-after-free, with the stack trace showing the place where
+		 * the object was re-allocated.
+		 */
+	}
+
+out:
+	if (to_report) {
+		kfence_report_error(addr, is_write, regs, to_report, error_type);
+		raw_spin_unlock_irqrestore(&to_report->lock, flags);
+	} else {
+		/* This may be a UAF or OOB access, but we can't be sure. */
+		kfence_report_error(addr, is_write, regs, NULL, KFENCE_ERROR_INVALID);
+	}
+
+	return kfence_unprotect(addr); /* Unprotect and let access proceed. */
+}
diff --git a/mm/kfence/kfence.h b/mm/kfence/kfence.h
new file mode 100644
index 0000000..2406532
--- /dev/null
+++ b/mm/kfence/kfence.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Kernel Electric-Fence (KFENCE). For more info please see
+ * Documentation/dev-tools/kfence.rst.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef MM_KFENCE_KFENCE_H
+#define MM_KFENCE_KFENCE_H
+
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include "../slab.h" /* for struct kmem_cache */
+
+/*
+ * Get the canary byte pattern for @addr. Use a pattern that varies based on the
+ * lower 3 bits of the address, to detect memory corruptions with higher
+ * probability, where similar constants are used.
+ */
+#define KFENCE_CANARY_PATTERN(addr) ((u8)0xaa ^ (u8)((unsigned long)(addr) & 0x7))
+
+/* Maximum stack depth for reports. */
+#define KFENCE_STACK_DEPTH 64
+
+/* KFENCE object states. */
+enum kfence_object_state {
+	KFENCE_OBJECT_UNUSED,		/* Object is unused. */
+	KFENCE_OBJECT_ALLOCATED,	/* Object is currently allocated. */
+	KFENCE_OBJECT_FREED,		/* Object was allocated, and then freed. */
+};
+
+/* Alloc/free tracking information. */
+struct kfence_track {
+	pid_t pid;
+	int num_stack_entries;
+	unsigned long stack_entries[KFENCE_STACK_DEPTH];
+};
+
+/* KFENCE metadata per guarded allocation. */
+struct kfence_metadata {
+	struct list_head list;		/* Freelist node; access under kfence_freelist_lock. */
+	struct rcu_head rcu_head;	/* For delayed freeing. */
+
+	/*
+	 * Lock protecting below data; to ensure consistency of the below data,
+	 * since the following may execute concurrently: __kfence_alloc(),
+	 * __kfence_free(), kfence_handle_page_fault(). However, note that we
+	 * cannot grab the same metadata off the freelist twice, and multiple
+	 * __kfence_alloc() cannot run concurrently on the same metadata.
+	 */
+	raw_spinlock_t lock;
+
+	/* The current state of the object; see above. */
+	enum kfence_object_state state;
+
+	/*
+	 * Allocated object address; cannot be calculated from size, because of
+	 * alignment requirements.
+	 *
+	 * Invariant: ALIGN_DOWN(addr, PAGE_SIZE) is constant.
+	 */
+	unsigned long addr;
+
+	/*
+	 * The size of the original allocation.
+	 */
+	size_t size;
+
+	/*
+	 * The kmem_cache cache of the last allocation; NULL if never allocated
+	 * or the cache has already been destroyed.
+	 */
+	struct kmem_cache *cache;
+
+	/*
+	 * In case of an invalid access, the page that was unprotected; we
+	 * optimistically only store one address.
+	 */
+	unsigned long unprotected_page;
+
+	/* Allocation and free stack information. */
+	struct kfence_track alloc_track;
+	struct kfence_track free_track;
+};
+
+extern struct kfence_metadata kfence_metadata[CONFIG_KFENCE_NUM_OBJECTS];
+
+/* KFENCE error types for report generation. */
+enum kfence_error_type {
+	KFENCE_ERROR_OOB,		/* Detected a out-of-bounds access. */
+	KFENCE_ERROR_UAF,		/* Detected a use-after-free access. */
+	KFENCE_ERROR_CORRUPTION,	/* Detected a memory corruption on free. */
+	KFENCE_ERROR_INVALID,		/* Invalid access of unknown type. */
+	KFENCE_ERROR_INVALID_FREE,	/* Invalid free. */
+};
+
+void kfence_report_error(unsigned long address, bool is_write, struct pt_regs *regs,
+			 const struct kfence_metadata *meta, enum kfence_error_type type);
+
+void kfence_print_object(struct seq_file *seq, const struct kfence_metadata *meta);
+
+#endif /* MM_KFENCE_KFENCE_H */
diff --git a/mm/kfence/kfence_test.c b/mm/kfence/kfence_test.c
new file mode 100644
index 0000000..4acf425
--- /dev/null
+++ b/mm/kfence/kfence_test.c
@@ -0,0 +1,858 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Test cases for KFENCE memory safety error detector. Since the interface with
+ * which KFENCE's reports are obtained is via the console, this is the output we
+ * should verify. For each test case checks the presence (or absence) of
+ * generated reports. Relies on 'console' tracepoint to capture reports as they
+ * appear in the kernel log.
+ *
+ * Copyright (C) 2020, Google LLC.
+ * Author: Alexander Potapenko <glider@google.com>
+ *         Marco Elver <elver@google.com>
+ */
+
+#include <kunit/test.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/kfence.h>
+#include <linux/mm.h>
+#include <linux/random.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/tracepoint.h>
+#include <trace/events/printk.h>
+
+#include "kfence.h"
+
+/* Report as observed from console. */
+static struct {
+	spinlock_t lock;
+	int nlines;
+	char lines[2][256];
+} observed = {
+	.lock = __SPIN_LOCK_UNLOCKED(observed.lock),
+};
+
+/* Probe for console output: obtains observed lines of interest. */
+static void probe_console(void *ignore, const char *buf, size_t len)
+{
+	unsigned long flags;
+	int nlines;
+
+	spin_lock_irqsave(&observed.lock, flags);
+	nlines = observed.nlines;
+
+	if (strnstr(buf, "BUG: KFENCE: ", len) && strnstr(buf, "test_", len)) {
+		/*
+		 * KFENCE report and related to the test.
+		 *
+		 * The provided @buf is not NUL-terminated; copy no more than
+		 * @len bytes and let strscpy() add the missing NUL-terminator.
+		 */
+		strscpy(observed.lines[0], buf, min(len + 1, sizeof(observed.lines[0])));
+		nlines = 1;
+	} else if (nlines == 1 && (strnstr(buf, "at 0x", len) || strnstr(buf, "of 0x", len))) {
+		strscpy(observed.lines[nlines++], buf, min(len + 1, sizeof(observed.lines[0])));
+	}
+
+	WRITE_ONCE(observed.nlines, nlines); /* Publish new nlines. */
+	spin_unlock_irqrestore(&observed.lock, flags);
+}
+
+/* Check if a report related to the test exists. */
+static bool report_available(void)
+{
+	return READ_ONCE(observed.nlines) == ARRAY_SIZE(observed.lines);
+}
+
+/* Information we expect in a report. */
+struct expect_report {
+	enum kfence_error_type type; /* The type or error. */
+	void *fn; /* Function pointer to expected function where access occurred. */
+	char *addr; /* Address at which the bad access occurred. */
+	bool is_write; /* Is access a write. */
+};
+
+static const char *get_access_type(const struct expect_report *r)
+{
+	return r->is_write ? "write" : "read";
+}
+
+/* Check observed report matches information in @r. */
+static bool report_matches(const struct expect_report *r)
+{
+	bool ret = false;
+	unsigned long flags;
+	typeof(observed.lines) expect;
+	const char *end;
+	char *cur;
+
+	/* Doubled-checked locking. */
+	if (!report_available())
+		return false;
+
+	/* Generate expected report contents. */
+
+	/* Title */
+	cur = expect[0];
+	end = &expect[0][sizeof(expect[0]) - 1];
+	switch (r->type) {
+	case KFENCE_ERROR_OOB:
+		cur += scnprintf(cur, end - cur, "BUG: KFENCE: out-of-bounds %s",
+				 get_access_type(r));
+		break;
+	case KFENCE_ERROR_UAF:
+		cur += scnprintf(cur, end - cur, "BUG: KFENCE: use-after-free %s",
+				 get_access_type(r));
+		break;
+	case KFENCE_ERROR_CORRUPTION:
+		cur += scnprintf(cur, end - cur, "BUG: KFENCE: memory corruption");
+		break;
+	case KFENCE_ERROR_INVALID:
+		cur += scnprintf(cur, end - cur, "BUG: KFENCE: invalid %s",
+				 get_access_type(r));
+		break;
+	case KFENCE_ERROR_INVALID_FREE:
+		cur += scnprintf(cur, end - cur, "BUG: KFENCE: invalid free");
+		break;
+	}
+
+	scnprintf(cur, end - cur, " in %pS", r->fn);
+	/* The exact offset won't match, remove it; also strip module name. */
+	cur = strchr(expect[0], '+');
+	if (cur)
+		*cur = '\0';
+
+	/* Access information */
+	cur = expect[1];
+	end = &expect[1][sizeof(expect[1]) - 1];
+
+	switch (r->type) {
+	case KFENCE_ERROR_OOB:
+		cur += scnprintf(cur, end - cur, "Out-of-bounds %s at", get_access_type(r));
+		break;
+	case KFENCE_ERROR_UAF:
+		cur += scnprintf(cur, end - cur, "Use-after-free %s at", get_access_type(r));
+		break;
+	case KFENCE_ERROR_CORRUPTION:
+		cur += scnprintf(cur, end - cur, "Corrupted memory at");
+		break;
+	case KFENCE_ERROR_INVALID:
+		cur += scnprintf(cur, end - cur, "Invalid %s at", get_access_type(r));
+		break;
+	case KFENCE_ERROR_INVALID_FREE:
+		cur += scnprintf(cur, end - cur, "Invalid free of");
+		break;
+	}
+
+	cur += scnprintf(cur, end - cur, " 0x%p", (void *)r->addr);
+
+	spin_lock_irqsave(&observed.lock, flags);
+	if (!report_available())
+		goto out; /* A new report is being captured. */
+
+	/* Finally match expected output to what we actually observed. */
+	ret = strstr(observed.lines[0], expect[0]) && strstr(observed.lines[1], expect[1]);
+out:
+	spin_unlock_irqrestore(&observed.lock, flags);
+	return ret;
+}
+
+/* ===== Test cases ===== */
+
+#define TEST_PRIV_WANT_MEMCACHE ((void *)1)
+
+/* Cache used by tests; if NULL, allocate from kmalloc instead. */
+static struct kmem_cache *test_cache;
+
+static size_t setup_test_cache(struct kunit *test, size_t size, slab_flags_t flags,
+			       void (*ctor)(void *))
+{
+	if (test->priv != TEST_PRIV_WANT_MEMCACHE)
+		return size;
+
+	kunit_info(test, "%s: size=%zu, ctor=%ps\n", __func__, size, ctor);
+
+	/*
+	 * Use SLAB_NOLEAKTRACE to prevent merging with existing caches. Any
+	 * other flag in SLAB_NEVER_MERGE also works. Use SLAB_ACCOUNT to
+	 * allocate via memcg, if enabled.
+	 */
+	flags |= SLAB_NOLEAKTRACE | SLAB_ACCOUNT;
+	test_cache = kmem_cache_create("test", size, 1, flags, ctor);
+	KUNIT_ASSERT_TRUE_MSG(test, test_cache, "could not create cache");
+
+	return size;
+}
+
+static void test_cache_destroy(void)
+{
+	if (!test_cache)
+		return;
+
+	kmem_cache_destroy(test_cache);
+	test_cache = NULL;
+}
+
+static inline size_t kmalloc_cache_alignment(size_t size)
+{
+	return kmalloc_caches[kmalloc_type(GFP_KERNEL)][kmalloc_index(size)]->align;
+}
+
+/* Must always inline to match stack trace against caller. */
+static __always_inline void test_free(void *ptr)
+{
+	if (test_cache)
+		kmem_cache_free(test_cache, ptr);
+	else
+		kfree(ptr);
+}
+
+/*
+ * If this should be a KFENCE allocation, and on which side the allocation and
+ * the closest guard page should be.
+ */
+enum allocation_policy {
+	ALLOCATE_ANY, /* KFENCE, any side. */
+	ALLOCATE_LEFT, /* KFENCE, left side of page. */
+	ALLOCATE_RIGHT, /* KFENCE, right side of page. */
+	ALLOCATE_NONE, /* No KFENCE allocation. */
+};
+
+/*
+ * Try to get a guarded allocation from KFENCE. Uses either kmalloc() or the
+ * current test_cache if set up.
+ */
+static void *test_alloc(struct kunit *test, size_t size, gfp_t gfp, enum allocation_policy policy)
+{
+	void *alloc;
+	unsigned long timeout, resched_after;
+	const char *policy_name;
+
+	switch (policy) {
+	case ALLOCATE_ANY:
+		policy_name = "any";
+		break;
+	case ALLOCATE_LEFT:
+		policy_name = "left";
+		break;
+	case ALLOCATE_RIGHT:
+		policy_name = "right";
+		break;
+	case ALLOCATE_NONE:
+		policy_name = "none";
+		break;
+	}
+
+	kunit_info(test, "%s: size=%zu, gfp=%x, policy=%s, cache=%i\n", __func__, size, gfp,
+		   policy_name, !!test_cache);
+
+	/*
+	 * 100x the sample interval should be more than enough to ensure we get
+	 * a KFENCE allocation eventually.
+	 */
+	timeout = jiffies + msecs_to_jiffies(100 * CONFIG_KFENCE_SAMPLE_INTERVAL);
+	/*
+	 * Especially for non-preemption kernels, ensure the allocation-gate
+	 * timer can catch up: after @resched_after, every failed allocation
+	 * attempt yields, to ensure the allocation-gate timer is scheduled.
+	 */
+	resched_after = jiffies + msecs_to_jiffies(CONFIG_KFENCE_SAMPLE_INTERVAL);
+	do {
+		if (test_cache)
+			alloc = kmem_cache_alloc(test_cache, gfp);
+		else
+			alloc = kmalloc(size, gfp);
+
+		if (is_kfence_address(alloc)) {
+			struct page *page = virt_to_head_page(alloc);
+			struct kmem_cache *s = test_cache ?: kmalloc_caches[kmalloc_type(GFP_KERNEL)][kmalloc_index(size)];
+
+			/*
+			 * Verify that various helpers return the right values
+			 * even for KFENCE objects; these are required so that
+			 * memcg accounting works correctly.
+			 */
+			KUNIT_EXPECT_EQ(test, obj_to_index(s, page, alloc), 0U);
+			KUNIT_EXPECT_EQ(test, objs_per_slab_page(s, page), 1);
+
+			if (policy == ALLOCATE_ANY)
+				return alloc;
+			if (policy == ALLOCATE_LEFT && IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
+				return alloc;
+			if (policy == ALLOCATE_RIGHT &&
+			    !IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
+				return alloc;
+		} else if (policy == ALLOCATE_NONE)
+			return alloc;
+
+		test_free(alloc);
+
+		if (time_after(jiffies, resched_after))
+			cond_resched();
+	} while (time_before(jiffies, timeout));
+
+	KUNIT_ASSERT_TRUE_MSG(test, false, "failed to allocate from KFENCE");
+	return NULL; /* Unreachable. */
+}
+
+static void test_out_of_bounds_read(struct kunit *test)
+{
+	size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_OOB,
+		.fn = test_out_of_bounds_read,
+		.is_write = false,
+	};
+	char *buf;
+
+	setup_test_cache(test, size, 0, NULL);
+
+	/*
+	 * If we don't have our own cache, adjust based on alignment, so that we
+	 * actually access guard pages on either side.
+	 */
+	if (!test_cache)
+		size = kmalloc_cache_alignment(size);
+
+	/* Test both sides. */
+
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT);
+	expect.addr = buf - 1;
+	READ_ONCE(*expect.addr);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+	test_free(buf);
+
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+	expect.addr = buf + size;
+	READ_ONCE(*expect.addr);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+	test_free(buf);
+}
+
+static void test_out_of_bounds_write(struct kunit *test)
+{
+	size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_OOB,
+		.fn = test_out_of_bounds_write,
+		.is_write = true,
+	};
+	char *buf;
+
+	setup_test_cache(test, size, 0, NULL);
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT);
+	expect.addr = buf - 1;
+	WRITE_ONCE(*expect.addr, 42);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+	test_free(buf);
+}
+
+static void test_use_after_free_read(struct kunit *test)
+{
+	const size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_UAF,
+		.fn = test_use_after_free_read,
+		.is_write = false,
+	};
+
+	setup_test_cache(test, size, 0, NULL);
+	expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+	test_free(expect.addr);
+	READ_ONCE(*expect.addr);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+static void test_double_free(struct kunit *test)
+{
+	const size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_INVALID_FREE,
+		.fn = test_double_free,
+	};
+
+	setup_test_cache(test, size, 0, NULL);
+	expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+	test_free(expect.addr);
+	test_free(expect.addr); /* Double-free. */
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+static void test_invalid_addr_free(struct kunit *test)
+{
+	const size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_INVALID_FREE,
+		.fn = test_invalid_addr_free,
+	};
+	char *buf;
+
+	setup_test_cache(test, size, 0, NULL);
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+	expect.addr = buf + 1; /* Free on invalid address. */
+	test_free(expect.addr); /* Invalid address free. */
+	test_free(buf); /* No error. */
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+static void test_corruption(struct kunit *test)
+{
+	size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_CORRUPTION,
+		.fn = test_corruption,
+	};
+	char *buf;
+
+	setup_test_cache(test, size, 0, NULL);
+
+	/* Test both sides. */
+
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT);
+	expect.addr = buf + size;
+	WRITE_ONCE(*expect.addr, 42);
+	test_free(buf);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+	expect.addr = buf - 1;
+	WRITE_ONCE(*expect.addr, 42);
+	test_free(buf);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/*
+ * KFENCE is unable to detect an OOB if the allocation's alignment requirements
+ * leave a gap between the object and the guard page. Specifically, an
+ * allocation of e.g. 73 bytes is aligned on 8 and 128 bytes for SLUB or SLAB
+ * respectively. Therefore it is impossible for the allocated object to
+ * contiguously line up with the right guard page.
+ *
+ * However, we test that an access to memory beyond the gap results in KFENCE
+ * detecting an OOB access.
+ */
+static void test_kmalloc_aligned_oob_read(struct kunit *test)
+{
+	const size_t size = 73;
+	const size_t align = kmalloc_cache_alignment(size);
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_OOB,
+		.fn = test_kmalloc_aligned_oob_read,
+		.is_write = false,
+	};
+	char *buf;
+
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+
+	/*
+	 * The object is offset to the right, so there won't be an OOB to the
+	 * left of it.
+	 */
+	READ_ONCE(*(buf - 1));
+	KUNIT_EXPECT_FALSE(test, report_available());
+
+	/*
+	 * @buf must be aligned on @align, therefore buf + size belongs to the
+	 * same page -> no OOB.
+	 */
+	READ_ONCE(*(buf + size));
+	KUNIT_EXPECT_FALSE(test, report_available());
+
+	/* Overflowing by @align bytes will result in an OOB. */
+	expect.addr = buf + size + align;
+	READ_ONCE(*expect.addr);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+
+	test_free(buf);
+}
+
+static void test_kmalloc_aligned_oob_write(struct kunit *test)
+{
+	const size_t size = 73;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_CORRUPTION,
+		.fn = test_kmalloc_aligned_oob_write,
+	};
+	char *buf;
+
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+	/*
+	 * The object is offset to the right, so we won't get a page
+	 * fault immediately after it.
+	 */
+	expect.addr = buf + size;
+	WRITE_ONCE(*expect.addr, READ_ONCE(*expect.addr) + 1);
+	KUNIT_EXPECT_FALSE(test, report_available());
+	test_free(buf);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/* Test cache shrinking and destroying with KFENCE. */
+static void test_shrink_memcache(struct kunit *test)
+{
+	const size_t size = 32;
+	void *buf;
+
+	setup_test_cache(test, size, 0, NULL);
+	KUNIT_EXPECT_TRUE(test, test_cache);
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+	kmem_cache_shrink(test_cache);
+	test_free(buf);
+
+	KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+static void ctor_set_x(void *obj)
+{
+	/* Every object has at least 8 bytes. */
+	memset(obj, 'x', 8);
+}
+
+/* Ensure that SL*B does not modify KFENCE objects on bulk free. */
+static void test_free_bulk(struct kunit *test)
+{
+	int iter;
+
+	for (iter = 0; iter < 5; iter++) {
+		const size_t size = setup_test_cache(test, 8 + prandom_u32_max(300), 0,
+						     (iter & 1) ? ctor_set_x : NULL);
+		void *objects[] = {
+			test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT),
+			test_alloc(test, size, GFP_KERNEL, ALLOCATE_NONE),
+			test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT),
+			test_alloc(test, size, GFP_KERNEL, ALLOCATE_NONE),
+			test_alloc(test, size, GFP_KERNEL, ALLOCATE_NONE),
+		};
+
+		kmem_cache_free_bulk(test_cache, ARRAY_SIZE(objects), objects);
+		KUNIT_ASSERT_FALSE(test, report_available());
+		test_cache_destroy();
+	}
+}
+
+/* Test init-on-free works. */
+static void test_init_on_free(struct kunit *test)
+{
+	const size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_UAF,
+		.fn = test_init_on_free,
+		.is_write = false,
+	};
+	int i;
+
+	if (!IS_ENABLED(CONFIG_INIT_ON_FREE_DEFAULT_ON))
+		return;
+	/* Assume it hasn't been disabled on command line. */
+
+	setup_test_cache(test, size, 0, NULL);
+	expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+	for (i = 0; i < size; i++)
+		expect.addr[i] = i + 1;
+	test_free(expect.addr);
+
+	for (i = 0; i < size; i++) {
+		/*
+		 * This may fail if the page was recycled by KFENCE and then
+		 * written to again -- this however, is near impossible with a
+		 * default config.
+		 */
+		KUNIT_EXPECT_EQ(test, expect.addr[i], (char)0);
+
+		if (!i) /* Only check first access to not fail test if page is ever re-protected. */
+			KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+	}
+}
+
+/* Ensure that constructors work properly. */
+static void test_memcache_ctor(struct kunit *test)
+{
+	const size_t size = 32;
+	char *buf;
+	int i;
+
+	setup_test_cache(test, size, 0, ctor_set_x);
+	buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+
+	for (i = 0; i < 8; i++)
+		KUNIT_EXPECT_EQ(test, buf[i], (char)'x');
+
+	test_free(buf);
+
+	KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+/* Test that memory is zeroed if requested. */
+static void test_gfpzero(struct kunit *test)
+{
+	const size_t size = PAGE_SIZE; /* PAGE_SIZE so we can use ALLOCATE_ANY. */
+	char *buf1, *buf2;
+	int i;
+
+	if (CONFIG_KFENCE_SAMPLE_INTERVAL > 100) {
+		kunit_warn(test, "skipping ... would take too long\n");
+		return;
+	}
+
+	setup_test_cache(test, size, 0, NULL);
+	buf1 = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+	for (i = 0; i < size; i++)
+		buf1[i] = i + 1;
+	test_free(buf1);
+
+	/* Try to get same address again -- this can take a while. */
+	for (i = 0;; i++) {
+		buf2 = test_alloc(test, size, GFP_KERNEL | __GFP_ZERO, ALLOCATE_ANY);
+		if (buf1 == buf2)
+			break;
+		test_free(buf2);
+
+		if (i == CONFIG_KFENCE_NUM_OBJECTS) {
+			kunit_warn(test, "giving up ... cannot get same object back\n");
+			return;
+		}
+	}
+
+	for (i = 0; i < size; i++)
+		KUNIT_EXPECT_EQ(test, buf2[i], (char)0);
+
+	test_free(buf2);
+
+	KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+static void test_invalid_access(struct kunit *test)
+{
+	const struct expect_report expect = {
+		.type = KFENCE_ERROR_INVALID,
+		.fn = test_invalid_access,
+		.addr = &__kfence_pool[10],
+		.is_write = false,
+	};
+
+	READ_ONCE(__kfence_pool[10]);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/* Test SLAB_TYPESAFE_BY_RCU works. */
+static void test_memcache_typesafe_by_rcu(struct kunit *test)
+{
+	const size_t size = 32;
+	struct expect_report expect = {
+		.type = KFENCE_ERROR_UAF,
+		.fn = test_memcache_typesafe_by_rcu,
+		.is_write = false,
+	};
+
+	setup_test_cache(test, size, SLAB_TYPESAFE_BY_RCU, NULL);
+	KUNIT_EXPECT_TRUE(test, test_cache); /* Want memcache. */
+
+	expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+	*expect.addr = 42;
+
+	rcu_read_lock();
+	test_free(expect.addr);
+	KUNIT_EXPECT_EQ(test, *expect.addr, (char)42);
+	/*
+	 * Up to this point, memory should not have been freed yet, and
+	 * therefore there should be no KFENCE report from the above access.
+	 */
+	rcu_read_unlock();
+
+	/* Above access to @expect.addr should not have generated a report! */
+	KUNIT_EXPECT_FALSE(test, report_available());
+
+	/* Only after rcu_barrier() is the memory guaranteed to be freed. */
+	rcu_barrier();
+
+	/* Expect use-after-free. */
+	KUNIT_EXPECT_EQ(test, *expect.addr, (char)42);
+	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/* Test krealloc(). */
+static void test_krealloc(struct kunit *test)
+{
+	const size_t size = 32;
+	const struct expect_report expect = {
+		.type = KFENCE_ERROR_UAF,
+		.fn = test_krealloc,
+		.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY),
+		.is_write = false,
+	};
+	char *buf = expect.addr;
+	int i;
+
+	KUNIT_EXPECT_FALSE(test, test_cache);
+	KUNIT_EXPECT_EQ(test, ksize(buf), size); /* Precise size match after KFENCE alloc. */
+	for (i = 0; i < size; i++)
+		buf[i] = i + 1;
+
+	/* Check that we successfully change the size. */
+	buf = krealloc(buf, size * 3, GFP_KERNEL); /* Grow. */
+	/* Note: Might no longer be a KFENCE alloc. */
+	KUNIT_EXPECT_GE(test, ksize(buf), size * 3);
+	for (i = 0; i < size; i++)
+		KUNIT_EXPECT_EQ(test, buf[i], (char)(i + 1));
+	for (; i < size * 3; i++) /* Fill to extra bytes. */
+		buf[i] = i + 1;
+
+	buf = krealloc(buf, size * 2, GFP_KERNEL); /* Shrink. */
+	KUNIT_EXPECT_GE(test, ksize(buf), size * 2);
+	for (i = 0; i < size * 2; i++)
+		KUNIT_EXPECT_EQ(test, buf[i], (char)(i + 1));
+
+	buf = krealloc(buf, 0, GFP_KERNEL); /* Free. */
+	KUNIT_EXPECT_EQ(test, (unsigned long)buf, (unsigned long)ZERO_SIZE_PTR);
+	KUNIT_ASSERT_FALSE(test, report_available()); /* No reports yet! */
+
+	READ_ONCE(*expect.addr); /* Ensure krealloc() actually freed earlier KFENCE object. */
+	KUNIT_ASSERT_TRUE(test, report_matches(&expect));
+}
+
+/* Test that some objects from a bulk allocation belong to KFENCE pool. */
+static void test_memcache_alloc_bulk(struct kunit *test)
+{
+	const size_t size = 32;
+	bool pass = false;
+	unsigned long timeout;
+
+	setup_test_cache(test, size, 0, NULL);
+	KUNIT_EXPECT_TRUE(test, test_cache); /* Want memcache. */
+	/*
+	 * 100x the sample interval should be more than enough to ensure we get
+	 * a KFENCE allocation eventually.
+	 */
+	timeout = jiffies + msecs_to_jiffies(100 * CONFIG_KFENCE_SAMPLE_INTERVAL);
+	do {
+		void *objects[100];
+		int i, num = kmem_cache_alloc_bulk(test_cache, GFP_ATOMIC, ARRAY_SIZE(objects),
+						   objects);
+		if (!num)
+			continue;
+		for (i = 0; i < ARRAY_SIZE(objects); i++) {
+			if (is_kfence_address(objects[i])) {
+				pass = true;
+				break;
+			}
+		}
+		kmem_cache_free_bulk(test_cache, num, objects);
+		/*
+		 * kmem_cache_alloc_bulk() disables interrupts, and calling it
+		 * in a tight loop may not give KFENCE a chance to switch the
+		 * static branch. Call cond_resched() to let KFENCE chime in.
+		 */
+		cond_resched();
+	} while (!pass && time_before(jiffies, timeout));
+
+	KUNIT_EXPECT_TRUE(test, pass);
+	KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+/*
+ * KUnit does not provide a way to provide arguments to tests, and we encode
+ * additional info in the name. Set up 2 tests per test case, one using the
+ * default allocator, and another using a custom memcache (suffix '-memcache').
+ */
+#define KFENCE_KUNIT_CASE(test_name)						\
+	{ .run_case = test_name, .name = #test_name },				\
+	{ .run_case = test_name, .name = #test_name "-memcache" }
+
+static struct kunit_case kfence_test_cases[] = {
+	KFENCE_KUNIT_CASE(test_out_of_bounds_read),
+	KFENCE_KUNIT_CASE(test_out_of_bounds_write),
+	KFENCE_KUNIT_CASE(test_use_after_free_read),
+	KFENCE_KUNIT_CASE(test_double_free),
+	KFENCE_KUNIT_CASE(test_invalid_addr_free),
+	KFENCE_KUNIT_CASE(test_corruption),
+	KFENCE_KUNIT_CASE(test_free_bulk),
+	KFENCE_KUNIT_CASE(test_init_on_free),
+	KUNIT_CASE(test_kmalloc_aligned_oob_read),
+	KUNIT_CASE(test_kmalloc_aligned_oob_write),
+	KUNIT_CASE(test_shrink_memcache),
+	KUNIT_CASE(test_memcache_ctor),
+	KUNIT_CASE(test_invalid_access),
+	KUNIT_CASE(test_gfpzero),
+	KUNIT_CASE(test_memcache_typesafe_by_rcu),
+	KUNIT_CASE(test_krealloc),
+	KUNIT_CASE(test_memcache_alloc_bulk),
+	{},
+};
+
+/* ===== End test cases ===== */
+
+static int test_init(struct kunit *test)
+{
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&observed.lock, flags);
+	for (i = 0; i < ARRAY_SIZE(observed.lines); i++)
+		observed.lines[i][0] = '\0';
+	observed.nlines = 0;
+	spin_unlock_irqrestore(&observed.lock, flags);
+
+	/* Any test with 'memcache' in its name will want a memcache. */
+	if (strstr(test->name, "memcache"))
+		test->priv = TEST_PRIV_WANT_MEMCACHE;
+	else
+		test->priv = NULL;
+
+	return 0;
+}
+
+static void test_exit(struct kunit *test)
+{
+	test_cache_destroy();
+}
+
+static struct kunit_suite kfence_test_suite = {
+	.name = "kfence",
+	.test_cases = kfence_test_cases,
+	.init = test_init,
+	.exit = test_exit,
+};
+static struct kunit_suite *kfence_test_suites[] = { &kfence_test_suite, NULL };
+
+static void register_tracepoints(struct tracepoint *tp, void *ignore)
+{
+	check_trace_callback_type_console(probe_console);
+	if (!strcmp(tp->name, "console"))
+		WARN_ON(tracepoint_probe_register(tp, probe_console, NULL));
+}
+
+static void unregister_tracepoints(struct tracepoint *tp, void *ignore)
+{
+	if (!strcmp(tp->name, "console"))
+		tracepoint_probe_unregister(tp, probe_console, NULL);
+}
+
+/*
+ * We only want to do tracepoints setup and teardown once, therefore we have to
+ * customize the init and exit functions and cannot rely on kunit_test_suite().
+ */
+static int __init kfence_test_init(void)
+{
+	/*
+	 * Because we want to be able to build the test as a module, we need to
+	 * iterate through all known tracepoints, since the static registration
+	 * won't work here.
+	 */
+	for_each_kernel_tracepoint(register_tracepoints, NULL);
+	return __kunit_test_suites_init(kfence_test_suites);
+}
+
+static void kfence_test_exit(void)
+{
+	__kunit_test_suites_exit(kfence_test_suites);
+	for_each_kernel_tracepoint(unregister_tracepoints, NULL);
+	tracepoint_synchronize_unregister();
+}
+
+late_initcall(kfence_test_init);
+module_exit(kfence_test_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com>");
diff --git a/mm/kfence/report.c b/mm/kfence/report.c
new file mode 100644
index 0000000..e3f7145
--- /dev/null
+++ b/mm/kfence/report.c
@@ -0,0 +1,268 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KFENCE reporting.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#include <stdarg.h>
+
+#include <linux/kernel.h>
+#include <linux/lockdep.h>
+#include <linux/printk.h>
+#include <linux/sched/debug.h>
+#include <linux/seq_file.h>
+#include <linux/stacktrace.h>
+#include <linux/string.h>
+#include <trace/events/error_report.h>
+
+#include <asm/kfence.h>
+
+#include "kfence.h"
+
+/* May be overridden by <asm/kfence.h>. */
+#ifndef ARCH_FUNC_PREFIX
+#define ARCH_FUNC_PREFIX ""
+#endif
+
+extern bool no_hash_pointers;
+
+/* Helper function to either print to a seq_file or to console. */
+__printf(2, 3)
+static void seq_con_printf(struct seq_file *seq, const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	if (seq)
+		seq_vprintf(seq, fmt, args);
+	else
+		vprintk(fmt, args);
+	va_end(args);
+}
+
+/*
+ * Get the number of stack entries to skip to get out of MM internals. @type is
+ * optional, and if set to NULL, assumes an allocation or free stack.
+ */
+static int get_stack_skipnr(const unsigned long stack_entries[], int num_entries,
+			    const enum kfence_error_type *type)
+{
+	char buf[64];
+	int skipnr, fallback = 0;
+
+	if (type) {
+		/* Depending on error type, find different stack entries. */
+		switch (*type) {
+		case KFENCE_ERROR_UAF:
+		case KFENCE_ERROR_OOB:
+		case KFENCE_ERROR_INVALID:
+			/*
+			 * kfence_handle_page_fault() may be called with pt_regs
+			 * set to NULL; in that case we'll simply show the full
+			 * stack trace.
+			 */
+			return 0;
+		case KFENCE_ERROR_CORRUPTION:
+		case KFENCE_ERROR_INVALID_FREE:
+			break;
+		}
+	}
+
+	for (skipnr = 0; skipnr < num_entries; skipnr++) {
+		int len = scnprintf(buf, sizeof(buf), "%ps", (void *)stack_entries[skipnr]);
+
+		if (str_has_prefix(buf, ARCH_FUNC_PREFIX "kfence_") ||
+		    str_has_prefix(buf, ARCH_FUNC_PREFIX "__kfence_") ||
+		    !strncmp(buf, ARCH_FUNC_PREFIX "__slab_free", len)) {
+			/*
+			 * In case of tail calls from any of the below
+			 * to any of the above.
+			 */
+			fallback = skipnr + 1;
+		}
+
+		/* Also the *_bulk() variants by only checking prefixes. */
+		if (str_has_prefix(buf, ARCH_FUNC_PREFIX "kfree") ||
+		    str_has_prefix(buf, ARCH_FUNC_PREFIX "kmem_cache_free") ||
+		    str_has_prefix(buf, ARCH_FUNC_PREFIX "__kmalloc") ||
+		    str_has_prefix(buf, ARCH_FUNC_PREFIX "kmem_cache_alloc"))
+			goto found;
+	}
+	if (fallback < num_entries)
+		return fallback;
+found:
+	skipnr++;
+	return skipnr < num_entries ? skipnr : 0;
+}
+
+static void kfence_print_stack(struct seq_file *seq, const struct kfence_metadata *meta,
+			       bool show_alloc)
+{
+	const struct kfence_track *track = show_alloc ? &meta->alloc_track : &meta->free_track;
+
+	if (track->num_stack_entries) {
+		/* Skip allocation/free internals stack. */
+		int i = get_stack_skipnr(track->stack_entries, track->num_stack_entries, NULL);
+
+		/* stack_trace_seq_print() does not exist; open code our own. */
+		for (; i < track->num_stack_entries; i++)
+			seq_con_printf(seq, " %pS\n", (void *)track->stack_entries[i]);
+	} else {
+		seq_con_printf(seq, " no %s stack\n", show_alloc ? "allocation" : "deallocation");
+	}
+}
+
+void kfence_print_object(struct seq_file *seq, const struct kfence_metadata *meta)
+{
+	const int size = abs(meta->size);
+	const unsigned long start = meta->addr;
+	const struct kmem_cache *const cache = meta->cache;
+
+	lockdep_assert_held(&meta->lock);
+
+	if (meta->state == KFENCE_OBJECT_UNUSED) {
+		seq_con_printf(seq, "kfence-#%td unused\n", meta - kfence_metadata);
+		return;
+	}
+
+	seq_con_printf(seq,
+		       "kfence-#%td [0x%p-0x%p"
+		       ", size=%d, cache=%s] allocated by task %d:\n",
+		       meta - kfence_metadata, (void *)start, (void *)(start + size - 1), size,
+		       (cache && cache->name) ? cache->name : "<destroyed>", meta->alloc_track.pid);
+	kfence_print_stack(seq, meta, true);
+
+	if (meta->state == KFENCE_OBJECT_FREED) {
+		seq_con_printf(seq, "\nfreed by task %d:\n", meta->free_track.pid);
+		kfence_print_stack(seq, meta, false);
+	}
+}
+
+/*
+ * Show bytes at @addr that are different from the expected canary values, up to
+ * @max_bytes.
+ */
+static void print_diff_canary(unsigned long address, size_t bytes_to_show,
+			      const struct kfence_metadata *meta)
+{
+	const unsigned long show_until_addr = address + bytes_to_show;
+	const u8 *cur, *end;
+
+	/* Do not show contents of object nor read into following guard page. */
+	end = (const u8 *)(address < meta->addr ? min(show_until_addr, meta->addr)
+						: min(show_until_addr, PAGE_ALIGN(address)));
+
+	pr_cont("[");
+	for (cur = (const u8 *)address; cur < end; cur++) {
+		if (*cur == KFENCE_CANARY_PATTERN(cur))
+			pr_cont(" .");
+		else if (no_hash_pointers)
+			pr_cont(" 0x%02x", *cur);
+		else /* Do not leak kernel memory in non-debug builds. */
+			pr_cont(" !");
+	}
+	pr_cont(" ]");
+}
+
+static const char *get_access_type(bool is_write)
+{
+	return is_write ? "write" : "read";
+}
+
+void kfence_report_error(unsigned long address, bool is_write, struct pt_regs *regs,
+			 const struct kfence_metadata *meta, enum kfence_error_type type)
+{
+	unsigned long stack_entries[KFENCE_STACK_DEPTH] = { 0 };
+	const ptrdiff_t object_index = meta ? meta - kfence_metadata : -1;
+	int num_stack_entries;
+	int skipnr = 0;
+
+	if (regs) {
+		num_stack_entries = stack_trace_save_regs(regs, stack_entries, KFENCE_STACK_DEPTH, 0);
+	} else {
+		num_stack_entries = stack_trace_save(stack_entries, KFENCE_STACK_DEPTH, 1);
+		skipnr = get_stack_skipnr(stack_entries, num_stack_entries, &type);
+	}
+
+	/* Require non-NULL meta, except if KFENCE_ERROR_INVALID. */
+	if (WARN_ON(type != KFENCE_ERROR_INVALID && !meta))
+		return;
+
+	if (meta)
+		lockdep_assert_held(&meta->lock);
+	/*
+	 * Because we may generate reports in printk-unfriendly parts of the
+	 * kernel, such as scheduler code, the use of printk() could deadlock.
+	 * Until such time that all printing code here is safe in all parts of
+	 * the kernel, accept the risk, and just get our message out (given the
+	 * system might already behave unpredictably due to the memory error).
+	 * As such, also disable lockdep to hide warnings, and avoid disabling
+	 * lockdep for the rest of the kernel.
+	 */
+	lockdep_off();
+
+	pr_err("==================================================================\n");
+	/* Print report header. */
+	switch (type) {
+	case KFENCE_ERROR_OOB: {
+		const bool left_of_object = address < meta->addr;
+
+		pr_err("BUG: KFENCE: out-of-bounds %s in %pS\n\n", get_access_type(is_write),
+		       (void *)stack_entries[skipnr]);
+		pr_err("Out-of-bounds %s at 0x%p (%luB %s of kfence-#%td):\n",
+		       get_access_type(is_write), (void *)address,
+		       left_of_object ? meta->addr - address : address - meta->addr,
+		       left_of_object ? "left" : "right", object_index);
+		break;
+	}
+	case KFENCE_ERROR_UAF:
+		pr_err("BUG: KFENCE: use-after-free %s in %pS\n\n", get_access_type(is_write),
+		       (void *)stack_entries[skipnr]);
+		pr_err("Use-after-free %s at 0x%p (in kfence-#%td):\n",
+		       get_access_type(is_write), (void *)address, object_index);
+		break;
+	case KFENCE_ERROR_CORRUPTION:
+		pr_err("BUG: KFENCE: memory corruption in %pS\n\n", (void *)stack_entries[skipnr]);
+		pr_err("Corrupted memory at 0x%p ", (void *)address);
+		print_diff_canary(address, 16, meta);
+		pr_cont(" (in kfence-#%td):\n", object_index);
+		break;
+	case KFENCE_ERROR_INVALID:
+		pr_err("BUG: KFENCE: invalid %s in %pS\n\n", get_access_type(is_write),
+		       (void *)stack_entries[skipnr]);
+		pr_err("Invalid %s at 0x%p:\n", get_access_type(is_write),
+		       (void *)address);
+		break;
+	case KFENCE_ERROR_INVALID_FREE:
+		pr_err("BUG: KFENCE: invalid free in %pS\n\n", (void *)stack_entries[skipnr]);
+		pr_err("Invalid free of 0x%p (in kfence-#%td):\n", (void *)address,
+		       object_index);
+		break;
+	}
+
+	/* Print stack trace and object info. */
+	stack_trace_print(stack_entries + skipnr, num_stack_entries - skipnr, 0);
+
+	if (meta) {
+		pr_err("\n");
+		kfence_print_object(NULL, meta);
+	}
+
+	/* Print report footer. */
+	pr_err("\n");
+	if (no_hash_pointers && regs)
+		show_regs(regs);
+	else
+		dump_stack_print_info(KERN_ERR);
+	trace_error_report_end(ERROR_DETECTOR_KFENCE, address);
+	pr_err("==================================================================\n");
+
+	lockdep_on();
+
+	if (panic_on_warn)
+		panic("panic_on_warn set ...\n");
+
+	/* We encountered a memory unsafety error, taint the kernel! */
+	add_taint(TAINT_BAD_PAGE, LOCKDEP_STILL_OK);
+}
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 28e1877..bb74a81 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -457,7 +457,8 @@
 
 	/* Only regular file is valid */
 	if (IS_ENABLED(CONFIG_READ_ONLY_THP_FOR_FS) && vma->vm_file &&
-	    (vm_flags & VM_DENYWRITE)) {
+	    !inode_is_open_for_write(vma->vm_file->f_inode) &&
+	    (vm_flags & VM_EXEC)) {
 		struct inode *inode = vma->vm_file->f_inode;
 
 		return S_ISREG(inode->i_mode);
@@ -1004,38 +1005,43 @@
 
 static bool __collapse_huge_page_swapin(struct mm_struct *mm,
 					struct vm_area_struct *vma,
-					unsigned long address, pmd_t *pmd,
+					unsigned long haddr, pmd_t *pmd,
 					int referenced)
 {
 	int swapped_in = 0;
 	vm_fault_t ret = 0;
-	struct vm_fault vmf = {
-		.vma = vma,
-		.address = address,
-		.flags = FAULT_FLAG_ALLOW_RETRY,
-		.pmd = pmd,
-		.pgoff = linear_page_index(vma, address),
-	};
+	unsigned long address, end = haddr + (HPAGE_PMD_NR * PAGE_SIZE);
 
-	vmf.pte = pte_offset_map(pmd, address);
-	for (; vmf.address < address + HPAGE_PMD_NR*PAGE_SIZE;
-			vmf.pte++, vmf.address += PAGE_SIZE) {
+	for (address = haddr; address < end; address += PAGE_SIZE) {
+		struct vm_fault vmf = {
+			.vma = vma,
+			.address = address,
+			.pgoff = linear_page_index(vma, haddr),
+			.flags = FAULT_FLAG_ALLOW_RETRY,
+			.pmd = pmd,
+			.vma_flags = vma->vm_flags,
+			.vma_page_prot = vma->vm_page_prot,
+		};
+
+		vmf.pte = pte_offset_map(pmd, address);
 		vmf.orig_pte = *vmf.pte;
-		if (!is_swap_pte(vmf.orig_pte))
+		if (!is_swap_pte(vmf.orig_pte)) {
+			pte_unmap(vmf.pte);
 			continue;
+		}
 		swapped_in++;
 		ret = do_swap_page(&vmf);
 
 		/* do_swap_page returns VM_FAULT_RETRY with released mmap_lock */
 		if (ret & VM_FAULT_RETRY) {
 			mmap_read_lock(mm);
-			if (hugepage_vma_revalidate(mm, address, &vmf.vma)) {
+			if (hugepage_vma_revalidate(mm, haddr, &vma)) {
 				/* vma is no longer available, don't continue to swapin */
 				trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0);
 				return false;
 			}
 			/* check if the pmd is still valid */
-			if (mm_find_pmd(mm, address) != pmd) {
+			if (mm_find_pmd(mm, haddr) != pmd) {
 				trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0);
 				return false;
 			}
@@ -1044,11 +1050,7 @@
 			trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0);
 			return false;
 		}
-		/* pte is unmapped now, we need to map it */
-		vmf.pte = pte_offset_map(pmd, vmf.address);
 	}
-	vmf.pte--;
-	pte_unmap(vmf.pte);
 
 	/* Drain LRU add pagevec to remove extra pin on the swapped in pages */
 	if (swapped_in)
@@ -1137,6 +1139,7 @@
 	if (mm_find_pmd(mm, address) != pmd)
 		goto out;
 
+	vm_write_begin(vma);
 	anon_vma_lock_write(vma->anon_vma);
 
 	mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL, mm,
@@ -1177,6 +1180,7 @@
 		pmd_populate(mm, pmd, pmd_pgtable(_pmd));
 		spin_unlock(pmd_ptl);
 		anon_vma_unlock_write(vma->anon_vma);
+		vm_write_end(vma);
 		result = SCAN_FAIL;
 		goto out;
 	}
@@ -1211,6 +1215,7 @@
 	set_pmd_at(mm, address, pmd, _pmd);
 	update_mmu_cache_pmd(vma, address, pmd);
 	spin_unlock(pmd_ptl);
+	vm_write_end(vma);
 
 	*hpage = NULL;
 
@@ -1475,6 +1480,8 @@
 	if (!pmd)
 		goto drop_hpage;
 
+	vm_write_begin(vma);
+
 	/*
 	 * We need to lock the mapping so that from here on, only GUP-fast and
 	 * hardware page walks can access the parts of the page tables that
@@ -1542,6 +1549,7 @@
 				haddr + HPAGE_PMD_SIZE);
 	mmu_notifier_invalidate_range_start(&range);
 	_pmd = pmdp_collapse_flush(vma, haddr, pmd);
+	vm_write_end(vma);
 	mm_dec_nr_ptes(mm);
 	tlb_remove_table_sync_one();
 	mmu_notifier_invalidate_range_end(&range);
@@ -1558,6 +1566,7 @@
 
 abort:
 	pte_unmap_unlock(start_pte, ptl);
+	vm_write_end(vma);
 	i_mmap_unlock_write(vma->vm_file->f_mapping);
 	goto drop_hpage;
 }
@@ -1638,8 +1647,10 @@
 							NULL, mm, addr,
 							addr + HPAGE_PMD_SIZE);
 				mmu_notifier_invalidate_range_start(&range);
+				vm_write_begin(vma);
 				/* assume page table is clear */
 				_pmd = pmdp_collapse_flush(vma, addr, pmd);
+				vm_write_end(vma);
 				mm_dec_nr_ptes(mm);
 				tlb_remove_table_sync_one();
 				pte_free(mm, pmd_pgtable(_pmd));
@@ -1906,6 +1917,19 @@
 	else {
 		__inc_node_page_state(new_page, NR_FILE_THPS);
 		filemap_nr_thps_inc(mapping);
+		/*
+		 * Paired with smp_mb() in do_dentry_open() to ensure
+		 * i_writecount is up to date and the update to nr_thps is
+		 * visible. Ensures the page cache will be truncated if the
+		 * file is opened writable.
+		*/
+		smp_mb();
+		if (inode_is_open_for_write(mapping->host)) {
+			result = SCAN_FAIL;
+			__dec_node_page_state(new_page, NR_FILE_THPS);
+			filemap_nr_thps_dec(mapping);
+			goto xa_locked;
+		}
 	}
 
 	if (nr_none) {
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 4801751..b4867ab7 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -97,6 +97,7 @@
 #include <linux/atomic.h>
 
 #include <linux/kasan.h>
+#include <linux/kfence.h>
 #include <linux/kmemleak.h>
 #include <linux/memory_hotplug.h>
 
@@ -289,7 +290,7 @@
 	warn_or_seq_printf(seq, "  hex dump (first %zu bytes):\n", len);
 	kasan_disable_current();
 	warn_or_seq_hex_dump(seq, DUMP_PREFIX_NONE, HEX_ROW_SIZE,
-			     HEX_GROUP_SIZE, ptr, len, HEX_ASCII);
+			     HEX_GROUP_SIZE, kasan_reset_tag((void *)ptr), len, HEX_ASCII);
 	kasan_enable_current();
 }
 
@@ -379,15 +380,20 @@
 static struct kmemleak_object *lookup_object(unsigned long ptr, int alias)
 {
 	struct rb_node *rb = object_tree_root.rb_node;
+	unsigned long untagged_ptr = (unsigned long)kasan_reset_tag((void *)ptr);
 
 	while (rb) {
-		struct kmemleak_object *object =
-			rb_entry(rb, struct kmemleak_object, rb_node);
-		if (ptr < object->pointer)
+		struct kmemleak_object *object;
+		unsigned long untagged_objp;
+
+		object = rb_entry(rb, struct kmemleak_object, rb_node);
+		untagged_objp = (unsigned long)kasan_reset_tag((void *)object->pointer);
+
+		if (untagged_ptr < untagged_objp)
 			rb = object->rb_node.rb_left;
-		else if (object->pointer + object->size <= ptr)
+		else if (untagged_objp + object->size <= untagged_ptr)
 			rb = object->rb_node.rb_right;
-		else if (object->pointer == ptr || alias)
+		else if (untagged_objp == untagged_ptr || alias)
 			return object;
 		else {
 			kmemleak_warn("Found object by alias at 0x%08lx\n",
@@ -574,6 +580,7 @@
 	struct kmemleak_object *object, *parent;
 	struct rb_node **link, *rb_parent;
 	unsigned long untagged_ptr;
+	unsigned long untagged_objp;
 
 	object = mem_pool_alloc(gfp);
 	if (!object) {
@@ -589,7 +596,7 @@
 	atomic_set(&object->use_count, 1);
 	object->flags = OBJECT_ALLOCATED;
 	object->pointer = ptr;
-	object->size = size;
+	object->size = kfence_ksize((void *)ptr) ?: size;
 	object->excess_ref = 0;
 	object->min_count = min_count;
 	object->count = 0;			/* white color initially */
@@ -627,9 +634,10 @@
 	while (*link) {
 		rb_parent = *link;
 		parent = rb_entry(rb_parent, struct kmemleak_object, rb_node);
-		if (ptr + size <= parent->pointer)
+		untagged_objp = (unsigned long)kasan_reset_tag((void *)parent->pointer);
+		if (untagged_ptr + size <= untagged_objp)
 			link = &parent->rb_node.rb_left;
-		else if (parent->pointer + parent->size <= ptr)
+		else if (untagged_objp + parent->size <= untagged_ptr)
 			link = &parent->rb_node.rb_right;
 		else {
 			kmemleak_stop("Cannot insert 0x%lx into the object search tree (overlaps existing)\n",
@@ -1175,7 +1183,7 @@
 
 	kasan_disable_current();
 	kcsan_disable_current();
-	object->checksum = crc32(0, (void *)object->pointer, object->size);
+	object->checksum = crc32(0, kasan_reset_tag((void *)object->pointer), object->size);
 	kasan_enable_current();
 	kcsan_enable_current();
 
@@ -1250,7 +1258,7 @@
 			break;
 
 		kasan_disable_current();
-		pointer = *ptr;
+		pointer = *(unsigned long *)kasan_reset_tag((void *)ptr);
 		kasan_enable_current();
 
 		untagged_ptr = (unsigned long)kasan_reset_tag((void *)pointer);
diff --git a/mm/ksm.c b/mm/ksm.c
index 25b8362..d09f8d7 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2626,7 +2626,13 @@
 		struct vm_area_struct *vma;
 
 		cond_resched();
-		anon_vma_lock_read(anon_vma);
+		if (!anon_vma_trylock_read(anon_vma)) {
+			if (rwc->try_lock) {
+				rwc->contended = true;
+				return;
+			}
+			anon_vma_lock_read(anon_vma);
+		}
 		anon_vma_interval_tree_foreach(vmac, &anon_vma->rb_root,
 					       0, ULONG_MAX) {
 			unsigned long addr;
diff --git a/mm/madvise.c b/mm/madvise.c
index f71fc88..d14a4e6 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -18,6 +18,8 @@
 #include <linux/fadvise.h>
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
+#include <linux/mm_inline.h>
+#include <linux/string.h>
 #include <linux/uio.h>
 #include <linux/ksm.h>
 #include <linux/fs.h>
@@ -29,6 +31,7 @@
 #include <linux/swapops.h>
 #include <linux/shmem_fs.h>
 #include <linux/mmu_notifier.h>
+#include <trace/hooks/mm.h>
 
 #include <asm/tlb.h>
 
@@ -60,83 +63,94 @@
 	}
 }
 
-/*
- * We can potentially split a vm area into separate
- * areas, each area with its own behavior.
- */
-static long madvise_behavior(struct vm_area_struct *vma,
-		     struct vm_area_struct **prev,
-		     unsigned long start, unsigned long end, int behavior)
+#ifdef CONFIG_ANON_VMA_NAME
+struct anon_vma_name *anon_vma_name_alloc(const char *name)
 {
-	struct mm_struct *mm = vma->vm_mm;
-	int error = 0;
-	pgoff_t pgoff;
-	unsigned long new_flags = vma->vm_flags;
+	struct anon_vma_name *anon_name;
+	size_t count;
 
-	switch (behavior) {
-	case MADV_NORMAL:
-		new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ;
-		break;
-	case MADV_SEQUENTIAL:
-		new_flags = (new_flags & ~VM_RAND_READ) | VM_SEQ_READ;
-		break;
-	case MADV_RANDOM:
-		new_flags = (new_flags & ~VM_SEQ_READ) | VM_RAND_READ;
-		break;
-	case MADV_DONTFORK:
-		new_flags |= VM_DONTCOPY;
-		break;
-	case MADV_DOFORK:
-		if (vma->vm_flags & VM_IO) {
-			error = -EINVAL;
-			goto out;
-		}
-		new_flags &= ~VM_DONTCOPY;
-		break;
-	case MADV_WIPEONFORK:
-		/* MADV_WIPEONFORK is only supported on anonymous memory. */
-		if (vma->vm_file || vma->vm_flags & VM_SHARED) {
-			error = -EINVAL;
-			goto out;
-		}
-		new_flags |= VM_WIPEONFORK;
-		break;
-	case MADV_KEEPONFORK:
-		new_flags &= ~VM_WIPEONFORK;
-		break;
-	case MADV_DONTDUMP:
-		new_flags |= VM_DONTDUMP;
-		break;
-	case MADV_DODUMP:
-		if (!is_vm_hugetlb_page(vma) && new_flags & VM_SPECIAL) {
-			error = -EINVAL;
-			goto out;
-		}
-		new_flags &= ~VM_DONTDUMP;
-		break;
-	case MADV_MERGEABLE:
-	case MADV_UNMERGEABLE:
-		error = ksm_madvise(vma, start, end, behavior, &new_flags);
-		if (error)
-			goto out_convert_errno;
-		break;
-	case MADV_HUGEPAGE:
-	case MADV_NOHUGEPAGE:
-		error = hugepage_madvise(vma, &new_flags, behavior);
-		if (error)
-			goto out_convert_errno;
-		break;
+	/* Add 1 for NUL terminator at the end of the anon_name->name */
+	count = strlen(name) + 1;
+	anon_name = kmalloc(struct_size(anon_name, name, count), GFP_KERNEL);
+	if (anon_name) {
+		kref_init(&anon_name->kref);
+		memcpy(anon_name->name, name, count);
 	}
 
-	if (new_flags == vma->vm_flags) {
+	return anon_name;
+}
+
+void anon_vma_name_free(struct kref *kref)
+{
+	struct anon_vma_name *anon_name =
+			container_of(kref, struct anon_vma_name, kref);
+	kfree(anon_name);
+}
+
+struct anon_vma_name *anon_vma_name(struct vm_area_struct *vma)
+{
+	mmap_assert_locked(vma->vm_mm);
+
+	if (vma->vm_file)
+		return NULL;
+
+	return vma->anon_name;
+}
+
+/* mmap_lock should be write-locked */
+static int replace_anon_vma_name(struct vm_area_struct *vma,
+				 struct anon_vma_name *anon_name)
+{
+	struct anon_vma_name *orig_name = anon_vma_name(vma);
+
+	if (!anon_name) {
+		vma->anon_name = NULL;
+		anon_vma_name_put(orig_name);
+		return 0;
+	}
+
+	if (anon_vma_name_eq(orig_name, anon_name))
+		return 0;
+
+	vma->anon_name = anon_vma_name_reuse(anon_name);
+	anon_vma_name_put(orig_name);
+
+	return 0;
+}
+#else /* CONFIG_ANON_VMA_NAME */
+static int replace_anon_vma_name(struct vm_area_struct *vma,
+				 struct anon_vma_name *anon_name)
+{
+	if (anon_name)
+		return -EINVAL;
+
+	return 0;
+}
+#endif /* CONFIG_ANON_VMA_NAME */
+/*
+ * Update the vm_flags on region of a vma, splitting it or merging it as
+ * necessary.  Must be called with mmap_sem held for writing;
+ * Caller should ensure anon_name stability by raising its refcount even when
+ * anon_name belongs to a valid vma because this function might free that vma.
+ */
+static int madvise_update_vma(struct vm_area_struct *vma,
+			      struct vm_area_struct **prev, unsigned long start,
+			      unsigned long end, unsigned long new_flags,
+			      struct anon_vma_name *anon_name)
+{
+	struct mm_struct *mm = vma->vm_mm;
+	int error;
+	pgoff_t pgoff;
+
+	if (new_flags == vma->vm_flags && anon_vma_name_eq(anon_vma_name(vma), anon_name)) {
 		*prev = vma;
-		goto out;
+		return 0;
 	}
 
 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
 	*prev = vma_merge(mm, *prev, start, end, new_flags, vma->anon_vma,
 			  vma->vm_file, pgoff, vma_policy(vma),
-			  vma->vm_userfaultfd_ctx);
+			  vma->vm_userfaultfd_ctx, anon_name);
 	if (*prev) {
 		vma = *prev;
 		goto success;
@@ -145,40 +159,35 @@
 	*prev = vma;
 
 	if (start != vma->vm_start) {
-		if (unlikely(mm->map_count >= sysctl_max_map_count)) {
-			error = -ENOMEM;
-			goto out;
-		}
+		if (unlikely(mm->map_count >= sysctl_max_map_count))
+			return -ENOMEM;
 		error = __split_vma(mm, vma, start, 1);
 		if (error)
-			goto out_convert_errno;
+			return error;
 	}
 
 	if (end != vma->vm_end) {
-		if (unlikely(mm->map_count >= sysctl_max_map_count)) {
-			error = -ENOMEM;
-			goto out;
-		}
+		if (unlikely(mm->map_count >= sysctl_max_map_count))
+			return -ENOMEM;
 		error = __split_vma(mm, vma, end, 0);
 		if (error)
-			goto out_convert_errno;
+			return error;
 	}
 
 success:
 	/*
 	 * vm_flags is protected by the mmap_lock held in write mode.
 	 */
-	vma->vm_flags = new_flags;
+	vm_write_begin(vma);
+	WRITE_ONCE(vma->vm_flags, new_flags);
+	vm_write_end(vma);
+	if (!vma->vm_file) {
+		error = replace_anon_vma_name(vma, anon_name);
+		if (error)
+			return error;
+	}
 
-out_convert_errno:
-	/*
-	 * madvise() returns EAGAIN if kernel resources, such as
-	 * slab, are temporarily unavailable.
-	 */
-	if (error == -ENOMEM)
-		error = -EAGAIN;
-out:
-	return error;
+	return 0;
 }
 
 #ifdef CONFIG_SWAP
@@ -873,6 +882,96 @@
 	return error;
 }
 
+/*
+ * Apply an madvise behavior to a region of a vma.  madvise_update_vma
+ * will handle splitting a vm area into separate areas, each area with its own
+ * behavior.
+ */
+static int madvise_vma_behavior(struct vm_area_struct *vma,
+				struct vm_area_struct **prev,
+				unsigned long start, unsigned long end,
+				unsigned long behavior)
+{
+	int error;
+	struct anon_vma_name *anon_name;
+	unsigned long new_flags = vma->vm_flags;
+
+	switch (behavior) {
+	case MADV_REMOVE:
+		return madvise_remove(vma, prev, start, end);
+	case MADV_WILLNEED:
+		return madvise_willneed(vma, prev, start, end);
+	case MADV_COLD:
+		return madvise_cold(vma, prev, start, end);
+	case MADV_PAGEOUT:
+		return madvise_pageout(vma, prev, start, end);
+	case MADV_FREE:
+	case MADV_DONTNEED:
+		return madvise_dontneed_free(vma, prev, start, end, behavior);
+	case MADV_NORMAL:
+		new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ;
+		break;
+	case MADV_SEQUENTIAL:
+		new_flags = (new_flags & ~VM_RAND_READ) | VM_SEQ_READ;
+		break;
+	case MADV_RANDOM:
+		new_flags = (new_flags & ~VM_SEQ_READ) | VM_RAND_READ;
+		break;
+	case MADV_DONTFORK:
+		new_flags |= VM_DONTCOPY;
+		break;
+	case MADV_DOFORK:
+		if (vma->vm_flags & VM_IO)
+			return -EINVAL;
+		new_flags &= ~VM_DONTCOPY;
+		break;
+	case MADV_WIPEONFORK:
+		/* MADV_WIPEONFORK is only supported on anonymous memory. */
+		if (vma->vm_file || vma->vm_flags & VM_SHARED)
+			return -EINVAL;
+		new_flags |= VM_WIPEONFORK;
+		break;
+	case MADV_KEEPONFORK:
+		new_flags &= ~VM_WIPEONFORK;
+		break;
+	case MADV_DONTDUMP:
+		new_flags |= VM_DONTDUMP;
+		break;
+	case MADV_DODUMP:
+		if (!is_vm_hugetlb_page(vma) && new_flags & VM_SPECIAL)
+			return -EINVAL;
+		new_flags &= ~VM_DONTDUMP;
+		break;
+	case MADV_MERGEABLE:
+	case MADV_UNMERGEABLE:
+		error = ksm_madvise(vma, start, end, behavior, &new_flags);
+		if (error)
+			goto out;
+		break;
+	case MADV_HUGEPAGE:
+	case MADV_NOHUGEPAGE:
+		error = hugepage_madvise(vma, &new_flags, behavior);
+		if (error)
+			goto out;
+		break;
+	}
+
+	anon_name = anon_vma_name(vma);
+	anon_vma_name_get(anon_name);
+	error = madvise_update_vma(vma, prev, start, end, new_flags,
+				   anon_name);
+	anon_vma_name_put(anon_name);
+
+out:
+	/*
+	 * madvise() returns EAGAIN if kernel resources, such as
+	 * slab, are temporarily unavailable.
+	 */
+	if (error == -ENOMEM)
+		error = -EAGAIN;
+	return error;
+}
+
 #ifdef CONFIG_MEMORY_FAILURE
 /*
  * Error injection support for memory error handling.
@@ -926,27 +1025,6 @@
 }
 #endif
 
-static long
-madvise_vma(struct vm_area_struct *vma, struct vm_area_struct **prev,
-		unsigned long start, unsigned long end, int behavior)
-{
-	switch (behavior) {
-	case MADV_REMOVE:
-		return madvise_remove(vma, prev, start, end);
-	case MADV_WILLNEED:
-		return madvise_willneed(vma, prev, start, end);
-	case MADV_COLD:
-		return madvise_cold(vma, prev, start, end);
-	case MADV_PAGEOUT:
-		return madvise_pageout(vma, prev, start, end);
-	case MADV_FREE:
-	case MADV_DONTNEED:
-		return madvise_dontneed_free(vma, prev, start, end, behavior);
-	default:
-		return madvise_behavior(vma, prev, start, end, behavior);
-	}
-}
-
 static bool
 madvise_behavior_valid(int behavior)
 {
@@ -998,6 +1076,122 @@
 }
 
 /*
+ * Walk the vmas in range [start,end), and call the visit function on each one.
+ * The visit function will get start and end parameters that cover the overlap
+ * between the current vma and the original range.  Any unmapped regions in the
+ * original range will result in this function returning -ENOMEM while still
+ * calling the visit function on all of the existing vmas in the range.
+ * Must be called with the mmap_lock held for reading or writing.
+ */
+static
+int madvise_walk_vmas(struct mm_struct *mm, unsigned long start,
+		      unsigned long end, unsigned long arg,
+		      int (*visit)(struct vm_area_struct *vma,
+				   struct vm_area_struct **prev, unsigned long start,
+				   unsigned long end, unsigned long arg))
+{
+	struct vm_area_struct *vma;
+	struct vm_area_struct *prev;
+	unsigned long tmp;
+	int unmapped_error = 0;
+
+	/*
+	 * If the interval [start,end) covers some unmapped address
+	 * ranges, just ignore them, but return -ENOMEM at the end.
+	 * - different from the way of handling in mlock etc.
+	 */
+	vma = find_vma_prev(mm, start, &prev);
+	if (vma && start > vma->vm_start)
+		prev = vma;
+
+	for (;;) {
+		int error;
+
+		/* Still start < end. */
+		if (!vma)
+			return -ENOMEM;
+
+		/* Here start < (end|vma->vm_end). */
+		if (start < vma->vm_start) {
+			unmapped_error = -ENOMEM;
+			start = vma->vm_start;
+			if (start >= end)
+				break;
+		}
+
+		/* Here vma->vm_start <= start < (end|vma->vm_end) */
+		tmp = vma->vm_end;
+		if (end < tmp)
+			tmp = end;
+
+		/* Here vma->vm_start <= start < tmp <= (end|vma->vm_end). */
+		error = visit(vma, &prev, start, tmp, arg);
+		if (error)
+			return error;
+		start = tmp;
+		if (prev && start < prev->vm_end)
+			start = prev->vm_end;
+		if (start >= end)
+			break;
+		if (prev)
+			vma = prev->vm_next;
+		else	/* madvise_remove dropped mmap_lock */
+			vma = find_vma(mm, start);
+	}
+
+	return unmapped_error;
+}
+
+#ifdef CONFIG_ANON_VMA_NAME
+static int madvise_vma_anon_name(struct vm_area_struct *vma,
+				 struct vm_area_struct **prev,
+				 unsigned long start, unsigned long end,
+				 unsigned long anon_name)
+{
+	int error;
+
+	/* Only anonymous mappings can be named */
+	if (vma->vm_file)
+		return -EBADF;
+
+	error = madvise_update_vma(vma, prev, start, end, vma->vm_flags,
+				   (struct anon_vma_name *)anon_name);
+
+	/*
+	 * madvise() returns EAGAIN if kernel resources, such as
+	 * slab, are temporarily unavailable.
+	 */
+	if (error == -ENOMEM)
+		error = -EAGAIN;
+	return error;
+}
+
+int madvise_set_anon_name(struct mm_struct *mm, unsigned long start,
+			  unsigned long len_in, struct anon_vma_name *anon_name)
+{
+	unsigned long end;
+	unsigned long len;
+
+	if (start & ~PAGE_MASK)
+		return -EINVAL;
+	len = (len_in + ~PAGE_MASK) & PAGE_MASK;
+
+	/* Check to see whether len was rounded up from small -ve to zero */
+	if (len_in && !len)
+		return -EINVAL;
+
+	end = start + len;
+	if (end < start)
+		return -EINVAL;
+
+	if (end == start)
+		return 0;
+
+	return madvise_walk_vmas(mm, start, end, (unsigned long)anon_name,
+				 madvise_vma_anon_name);
+}
+#endif /* CONFIG_ANON_VMA_NAME */
+/*
  * The madvise(2) system call.
  *
  * Applications can use madvise() to advise the kernel how it should
@@ -1065,34 +1259,32 @@
  */
 int do_madvise(struct mm_struct *mm, unsigned long start, size_t len_in, int behavior)
 {
-	unsigned long end, tmp;
-	struct vm_area_struct *vma, *prev;
-	int unmapped_error = 0;
-	int error = -EINVAL;
+	unsigned long end;
+	int error;
 	int write;
 	size_t len;
 	struct blk_plug plug;
+	bool do_plug = true;
 
 	start = untagged_addr(start);
 
 	if (!madvise_behavior_valid(behavior))
-		return error;
+		return -EINVAL;
 
 	if (!PAGE_ALIGNED(start))
-		return error;
+		return -EINVAL;
 	len = PAGE_ALIGN(len_in);
 
 	/* Check to see whether len was rounded up from small -ve to zero */
 	if (len_in && !len)
-		return error;
+		return -EINVAL;
 
 	end = start + len;
 	if (end < start)
-		return error;
+		return -EINVAL;
 
-	error = 0;
 	if (end == start)
-		return error;
+		return 0;
 
 #ifdef CONFIG_MEMORY_FAILURE
 	if (behavior == MADV_HWPOISON || behavior == MADV_SOFT_OFFLINE)
@@ -1107,52 +1299,13 @@
 		mmap_read_lock(mm);
 	}
 
-	/*
-	 * If the interval [start,end) covers some unmapped address
-	 * ranges, just ignore them, but return -ENOMEM at the end.
-	 * - different from the way of handling in mlock etc.
-	 */
-	vma = find_vma_prev(mm, start, &prev);
-	if (vma && start > vma->vm_start)
-		prev = vma;
-
-	blk_start_plug(&plug);
-	for (;;) {
-		/* Still start < end. */
-		error = -ENOMEM;
-		if (!vma)
-			goto out;
-
-		/* Here start < (end|vma->vm_end). */
-		if (start < vma->vm_start) {
-			unmapped_error = -ENOMEM;
-			start = vma->vm_start;
-			if (start >= end)
-				goto out;
-		}
-
-		/* Here vma->vm_start <= start < (end|vma->vm_end) */
-		tmp = vma->vm_end;
-		if (end < tmp)
-			tmp = end;
-
-		/* Here vma->vm_start <= start < tmp <= (end|vma->vm_end). */
-		error = madvise_vma(vma, &prev, start, tmp, behavior);
-		if (error)
-			goto out;
-		start = tmp;
-		if (prev && start < prev->vm_end)
-			start = prev->vm_end;
-		error = unmapped_error;
-		if (start >= end)
-			goto out;
-		if (prev)
-			vma = prev->vm_next;
-		else	/* madvise_remove dropped mmap_lock */
-			vma = find_vma(mm, start);
-	}
-out:
-	blk_finish_plug(&plug);
+	trace_android_vh_do_madvise_blk_plug(behavior, &do_plug);
+	if (do_plug)
+		blk_start_plug(&plug);
+	error = madvise_walk_vmas(mm, start, end, behavior,
+			madvise_vma_behavior);
+	if (do_plug)
+		blk_finish_plug(&plug);
 	if (write)
 		mmap_write_unlock(mm);
 	else
diff --git a/mm/memblock.c b/mm/memblock.c
index f72d539..82c3d8f 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -287,7 +287,7 @@
 {
 	/* pump up @end */
 	if (end == MEMBLOCK_ALLOC_ACCESSIBLE ||
-	    end == MEMBLOCK_ALLOC_KASAN)
+	    end == MEMBLOCK_ALLOC_NOLEAKTRACE)
 		end = memblock.current_limit;
 
 	/* avoid allocating the first page */
@@ -814,6 +814,9 @@
 	kmemleak_free_part_phys(base, size);
 	return memblock_remove_range(&memblock.reserved, base, size);
 }
+#ifdef CONFIG_ARCH_KEEP_MEMBLOCK
+EXPORT_SYMBOL_GPL(memblock_free);
+#endif
 
 int __init_memblock memblock_reserve(phys_addr_t base, phys_addr_t size)
 {
@@ -1361,8 +1364,11 @@
 	return 0;
 
 done:
-	/* Skip kmemleak for kasan_init() due to high volume. */
-	if (end != MEMBLOCK_ALLOC_KASAN)
+	/*
+	 * Skip kmemleak for those places like kasan_init() and
+	 * early_pgtable_alloc() due to high volume.
+	 */
+	if (end != MEMBLOCK_ALLOC_NOLEAKTRACE)
 		/*
 		 * The min_count is set to 0 so that memblock allocated
 		 * blocks are never reported as leaks. This is because many
@@ -1391,6 +1397,9 @@
 					     phys_addr_t start,
 					     phys_addr_t end)
 {
+	memblock_dbg("%s: %llu bytes align=0x%llx from=%pa max_addr=%pa %pS\n",
+		     __func__, (u64)size, (u64)align, &start, &end,
+		     (void *)_RET_IP_);
 	return memblock_alloc_range_nid(size, align, start, end, NUMA_NO_NODE,
 					false);
 }
@@ -1628,6 +1637,7 @@
 
 	return (memblock.memory.regions[idx].base + memblock.memory.regions[idx].size);
 }
+EXPORT_SYMBOL_GPL(memblock_end_of_DRAM);
 
 static phys_addr_t __init_memblock __find_max_addr(phys_addr_t limit)
 {
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ddc8ed0..bf40d40 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -67,6 +67,7 @@
 #include <linux/uaccess.h>
 
 #include <trace/events/vmscan.h>
+#include <trace/hooks/mm.h>
 
 struct cgroup_subsys memory_cgrp_subsys __read_mostly;
 EXPORT_SYMBOL(memory_cgrp_subsys);
@@ -2882,6 +2883,7 @@
 	 * - LRU isolation
 	 * - lock_page_memcg()
 	 * - exclusive reference
+	 * - mem_cgroup_trylock_pages()
 	 */
 	page->mem_cgroup = memcg;
 }
@@ -4178,7 +4180,7 @@
 {
 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);
 
-	if (val > 100)
+	if (val > 200)
 		return -EINVAL;
 
 	if (css->parent)
@@ -5161,6 +5163,7 @@
 static void mem_cgroup_id_remove(struct mem_cgroup *memcg)
 {
 	if (memcg->id.id > 0) {
+		trace_android_vh_mem_cgroup_id_remove(memcg);
 		idr_remove(&mem_cgroup_idr, memcg->id.id);
 		memcg->id.id = 0;
 	}
@@ -5198,6 +5201,7 @@
 	WARN_ON_ONCE(!rcu_read_lock_held());
 	return idr_find(&mem_cgroup_idr, id);
 }
+EXPORT_SYMBOL_GPL(mem_cgroup_from_id);
 
 static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node)
 {
@@ -5257,6 +5261,7 @@
 {
 	int node;
 
+	trace_android_vh_mem_cgroup_free(memcg);
 	for_each_node(node)
 		free_mem_cgroup_per_node_info(memcg, node);
 	free_percpu(memcg->vmstats_percpu);
@@ -5266,6 +5271,7 @@
 
 static void mem_cgroup_free(struct mem_cgroup *memcg)
 {
+	lru_gen_exit_memcg(memcg);
 	memcg_wb_domain_exit(memcg);
 	/*
 	 * Flush percpu vmstats and vmevents to guarantee the value correctness
@@ -5340,6 +5346,8 @@
 	memcg->deferred_split_queue.split_queue_len = 0;
 #endif
 	idr_replace(&mem_cgroup_idr, memcg, memcg->id.id);
+	lru_gen_init_memcg(memcg);
+	trace_android_vh_mem_cgroup_alloc(memcg);
 	return memcg;
 fail:
 	mem_cgroup_id_remove(memcg);
@@ -5429,6 +5437,7 @@
 	/* Online state pins memcg ID, memcg ID pins CSS */
 	refcount_set(&memcg->id.ref, 1);
 	css_get(css);
+	trace_android_vh_mem_cgroup_css_online(css, memcg);
 	return 0;
 }
 
@@ -5437,6 +5446,7 @@
 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);
 	struct mem_cgroup_event *event, *tmp;
 
+	trace_android_vh_mem_cgroup_css_offline(css, memcg);
 	/*
 	 * Unregister events and notify userspace.
 	 * Notify userspace about cgroup removing only after rmdir of cgroup
@@ -6232,6 +6242,30 @@
 }
 #endif
 
+#ifdef CONFIG_LRU_GEN
+static void mem_cgroup_attach(struct cgroup_taskset *tset)
+{
+	struct task_struct *task;
+	struct cgroup_subsys_state *css;
+
+	/* find the first leader if there is any */
+	cgroup_taskset_for_each_leader(task, css, tset)
+		break;
+
+	if (!task)
+		return;
+
+	task_lock(task);
+	if (task->mm && READ_ONCE(task->mm->owner) == task)
+		lru_gen_migrate_mm(task->mm);
+	task_unlock(task);
+}
+#else
+static void mem_cgroup_attach(struct cgroup_taskset *tset)
+{
+}
+#endif /* CONFIG_LRU_GEN */
+
 /*
  * Cgroup retains root cgroups across [un]mount cycles making it necessary
  * to verify whether we're attached to the default hierarchy on each mount
@@ -6584,6 +6618,7 @@
 	.css_free = mem_cgroup_css_free,
 	.css_reset = mem_cgroup_css_reset,
 	.can_attach = mem_cgroup_can_attach,
+	.attach = mem_cgroup_attach,
 	.cancel_attach = mem_cgroup_cancel_attach,
 	.post_attach = mem_cgroup_move_task,
 	.bind = mem_cgroup_bind,
@@ -6767,7 +6802,7 @@
 }
 
 /**
- * mem_cgroup_charge - charge a newly allocated page to a cgroup
+ * __mem_cgroup_charge - charge a newly allocated page to a cgroup
  * @page: page to charge
  * @mm: mm context of the victim
  * @gfp_mask: reclaim mode
@@ -6777,15 +6812,13 @@
  *
  * Returns 0 on success. Otherwise, an error code is returned.
  */
-int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask)
+int __mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+			gfp_t gfp_mask)
 {
 	unsigned int nr_pages = thp_nr_pages(page);
 	struct mem_cgroup *memcg = NULL;
 	int ret = 0;
 
-	if (mem_cgroup_disabled())
-		goto out;
-
 	if (PageSwapCache(page)) {
 		swp_entry_t ent = { .val = page_private(page), };
 		unsigned short id;
@@ -6955,18 +6988,15 @@
 }
 
 /**
- * mem_cgroup_uncharge - uncharge a page
+ * __mem_cgroup_uncharge - uncharge a page
  * @page: page to uncharge
  *
- * Uncharge a page previously charged with mem_cgroup_charge().
+ * Uncharge a page previously charged with __mem_cgroup_charge().
  */
-void mem_cgroup_uncharge(struct page *page)
+void __mem_cgroup_uncharge(struct page *page)
 {
 	struct uncharge_gather ug;
 
-	if (mem_cgroup_disabled())
-		return;
-
 	/* Don't touch page->lru of any random page, pre-check: */
 	if (!page->mem_cgroup)
 		return;
@@ -6977,17 +7007,14 @@
 }
 
 /**
- * mem_cgroup_uncharge_list - uncharge a list of page
+ * __mem_cgroup_uncharge_list - uncharge a list of page
  * @page_list: list of pages to uncharge
  *
  * Uncharge a list of pages previously charged with
- * mem_cgroup_charge().
+ * __mem_cgroup_charge().
  */
-void mem_cgroup_uncharge_list(struct list_head *page_list)
+void __mem_cgroup_uncharge_list(struct list_head *page_list)
 {
-	if (mem_cgroup_disabled())
-		return;
-
 	if (!list_empty(page_list))
 		uncharge_list(page_list);
 }
@@ -7214,6 +7241,9 @@
 	VM_BUG_ON_PAGE(PageLRU(page), page);
 	VM_BUG_ON_PAGE(page_count(page), page);
 
+	if (mem_cgroup_disabled())
+		return;
+
 	if (cgroup_subsys_on_dfl(memory_cgrp_subsys))
 		return;
 
@@ -7263,7 +7293,7 @@
 }
 
 /**
- * mem_cgroup_try_charge_swap - try charging swap space for a page
+ * __mem_cgroup_try_charge_swap - try charging swap space for a page
  * @page: page being added to swap
  * @entry: swap entry to charge
  *
@@ -7271,7 +7301,7 @@
  *
  * Returns 0 on success, -ENOMEM on failure.
  */
-int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
+int __mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
 {
 	unsigned int nr_pages = thp_nr_pages(page);
 	struct page_counter *counter;
@@ -7313,11 +7343,11 @@
 }
 
 /**
- * mem_cgroup_uncharge_swap - uncharge swap space
+ * __mem_cgroup_uncharge_swap - uncharge swap space
  * @entry: swap entry to uncharge
  * @nr_pages: the amount of swap space to uncharge
  */
-void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
+void __mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
 {
 	struct mem_cgroup *memcg;
 	unsigned short id;
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index f320ff02..a6f5366 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -477,7 +477,7 @@
 	struct anon_vma *av;
 	pgoff_t pgoff;
 
-	av = page_lock_anon_vma_read(page);
+	av = page_lock_anon_vma_read(page, NULL);
 	if (av == NULL)	/* Not actually mapped anymore */
 		return;
 
diff --git a/mm/memory.c b/mm/memory.c
index 1d101ae..a43439b 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -73,6 +73,7 @@
 #include <linux/perf_event.h>
 #include <linux/ptrace.h>
 #include <linux/vmalloc.h>
+#include <trace/hooks/mm.h>
 
 #include <trace/events/kmem.h>
 
@@ -86,6 +87,9 @@
 #include "pgalloc-track.h"
 #include "internal.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/pagefault.h>
+
 #if defined(LAST_CPUPID_NOT_IN_PAGE_FLAGS) && !defined(CONFIG_COMPILE_TEST)
 #warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_cpupid.
 #endif
@@ -122,15 +126,15 @@
 					2;
 #endif
 
-#ifndef arch_faults_on_old_pte
-static inline bool arch_faults_on_old_pte(void)
+#ifndef arch_wants_old_prefaulted_pte
+static inline bool arch_wants_old_prefaulted_pte(void)
 {
 	/*
-	 * Those arches which don't have hw access flag feature need to
-	 * implement their own helper. By default, "true" means pagefault
-	 * will be hit on old pte.
+	 * Transitioning a PTE from 'old' to 'young' can be expensive on
+	 * some architectures, even if it's performed in hardware. By
+	 * default, "false" means prefaulted entries will be 'young'.
 	 */
-	return true;
+	return false;
 }
 #endif
 
@@ -160,6 +164,7 @@
 {
 	trace_rss_stat(mm, member, count);
 }
+EXPORT_SYMBOL_GPL(mm_trace_rss_stat);
 
 #if defined(SPLIT_RSS_COUNTING)
 
@@ -216,6 +221,16 @@
 			   unsigned long addr)
 {
 	pgtable_t token = pmd_pgtable(*pmd);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	/*
+	 * Ensure page table destruction is blocked if __pte_map_lock managed
+	 * to take this lock. Without this barrier tlb_remove_table_rcu can
+	 * destroy ptl after __pte_map_lock locked it and during unlock would
+	 * cause a use-after-free.
+	 */
+	spinlock_t *ptl = pmd_lock(tlb->mm, pmd);
+	spin_unlock(ptl);
+#endif
 	pmd_clear(pmd);
 	pte_free_tlb(tlb, token, addr);
 	mm_dec_nr_ptes(tlb->mm);
@@ -398,7 +413,9 @@
 		 * Hide vma from rmap and truncate_pagecache before freeing
 		 * pgtables
 		 */
+		vm_write_begin(vma);
 		unlink_anon_vmas(vma);
+		vm_write_end(vma);
 		unlink_file_vma(vma);
 
 		if (is_vm_hugetlb_page(vma)) {
@@ -412,7 +429,9 @@
 			       && !is_vm_hugetlb_page(next)) {
 				vma = next;
 				next = vma->vm_next;
+				vm_write_begin(vma);
 				unlink_anon_vmas(vma);
+				vm_write_end(vma);
 				unlink_file_vma(vma);
 			}
 			free_pgd_range(tlb, addr, vma->vm_end,
@@ -539,7 +558,7 @@
 	if (page)
 		dump_page(page, "bad pte");
 	pr_alert("addr:%px vm_flags:%08lx anon_vma:%px mapping:%px index:%lx\n",
-		 (void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);
+		 (void *)addr, READ_ONCE(vma->vm_flags), vma->anon_vma, mapping, index);
 	pr_alert("file:%pD fault:%ps mmap:%ps readpage:%ps\n",
 		 vma->vm_file,
 		 vma->vm_ops ? vma->vm_ops->fault : NULL,
@@ -550,7 +569,8 @@
 }
 
 /*
- * vm_normal_page -- This function gets the "struct page" associated with a pte.
+ * __vm_normal_page -- This function gets the "struct page" associated with
+ * a pte.
  *
  * "Special" mappings do not wish to be associated with a "struct page" (either
  * it doesn't exist, or it exists but they don't want to touch it). In this
@@ -591,8 +611,8 @@
  * PFNMAP mappings in order to support COWable mappings.
  *
  */
-struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
-			    pte_t pte)
+struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
+			      pte_t pte, unsigned long vma_flags)
 {
 	unsigned long pfn = pte_pfn(pte);
 
@@ -601,7 +621,7 @@
 			goto check_pfn;
 		if (vma->vm_ops && vma->vm_ops->find_special_page)
 			return vma->vm_ops->find_special_page(vma, addr);
-		if (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))
+		if (vma_flags & (VM_PFNMAP | VM_MIXEDMAP))
 			return NULL;
 		if (is_zero_pfn(pfn))
 			return NULL;
@@ -613,9 +633,13 @@
 	}
 
 	/* !CONFIG_ARCH_HAS_PTE_SPECIAL case follows: */
+	/*
+	 * This part should never get called when CONFIG_SPECULATIVE_PAGE_FAULT
+	 * is set. This is mainly because we can't rely on vm_start.
+	 */
 
-	if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {
-		if (vma->vm_flags & VM_MIXEDMAP) {
+	if (unlikely(vma_flags & (VM_PFNMAP|VM_MIXEDMAP))) {
+		if (vma_flags & VM_MIXEDMAP) {
 			if (!pfn_valid(pfn))
 				return NULL;
 			goto out;
@@ -624,7 +648,7 @@
 			off = (addr - vma->vm_start) >> PAGE_SHIFT;
 			if (pfn == vma->vm_pgoff + off)
 				return NULL;
-			if (!is_cow_mapping(vma->vm_flags))
+			if (!is_cow_mapping(vma_flags))
 				return NULL;
 		}
 	}
@@ -851,7 +875,7 @@
 
 	/* All done, just insert the new page copy in the child */
 	pte = mk_pte(new_page, dst_vma->vm_page_prot);
-	pte = maybe_mkwrite(pte_mkdirty(pte), dst_vma);
+	pte = maybe_mkwrite(pte_mkdirty(pte), dst_vma->vm_flags);
 	if (userfaultfd_pte_wp(dst_vma, *src_pte))
 		/* Uffd-wp needs to be delivered to dest pte as well */
 		pte = pte_wrprotect(pte_mkuffd_wp(pte));
@@ -1238,15 +1262,18 @@
 	pte_t *start_pte;
 	pte_t *pte;
 	swp_entry_t entry;
+	int v_ret = 0;
 
 	tlb_change_page_size(tlb, PAGE_SIZE);
 again:
+	trace_android_vh_zap_pte_range_tlb_start(&v_ret);
 	init_rss_vec(rss);
 	start_pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
 	pte = start_pte;
 	flush_tlb_batched_pending(mm);
 	arch_enter_lazy_mmu_mode();
 	do {
+		bool flush = false;
 		pte_t ptent = *pte;
 		if (pte_none(ptent))
 			continue;
@@ -1287,7 +1314,9 @@
 			page_remove_rmap(page, false);
 			if (unlikely(page_mapcount(page) < 0))
 				print_bad_pte(vma, addr, ptent, page);
-			if (unlikely(__tlb_remove_page(tlb, page))) {
+			trace_android_vh_zap_pte_range_tlb_force_flush(page, &flush);
+			if (unlikely(__tlb_remove_page(tlb, page)) ||
+				     lru_cache_disabled() || flush) {
 				force_flush = 1;
 				addr += PAGE_SIZE;
 				break;
@@ -1355,6 +1384,7 @@
 		tlb_flush_mmu(tlb);
 	}
 
+	trace_android_vh_zap_pte_range_tlb_end(&v_ret);
 	if (addr != end) {
 		cond_resched();
 		goto again;
@@ -1978,7 +2008,8 @@
 				goto out_unlock;
 			}
 			entry = pte_mkyoung(*pte);
-			entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+			entry = maybe_mkwrite(pte_mkdirty(entry),
+							vma->vm_flags);
 			if (ptep_set_access_flags(vma, addr, pte, entry, 1))
 				update_mmu_cache(vma, addr, pte);
 		}
@@ -1993,7 +2024,7 @@
 
 	if (mkwrite) {
 		entry = pte_mkyoung(entry);
-		entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+		entry = maybe_mkwrite(pte_mkdirty(entry), vma->vm_flags);
 	}
 
 	set_pte_at(mm, addr, pte, entry);
@@ -2582,6 +2613,225 @@
 }
 EXPORT_SYMBOL_GPL(apply_to_page_range);
 
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+static bool pte_spinlock(struct vm_fault *vmf)
+{
+	bool ret = false;
+	pmd_t pmdval;
+
+	/* Check if vma is still valid */
+	if (!(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+		vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
+		spin_lock(vmf->ptl);
+		return true;
+	}
+
+	local_irq_disable();
+	if (vma_has_changed(vmf)) {
+		trace_spf_vma_changed(_RET_IP_, vmf->vma, vmf->address);
+		goto out;
+	}
+
+	/*
+	 * We check if the pmd value is still the same to ensure that there
+	 * is not a huge collapse operation in progress in our back.
+	 * It also ensures that pmd was not cleared by pmd_clear in
+	 * free_pte_range and ptl is still valid.
+	 */
+	pmdval = READ_ONCE(*vmf->pmd);
+	if (!pmd_same(pmdval, vmf->orig_pmd)) {
+		trace_spf_pmd_changed(_RET_IP_, vmf->vma, vmf->address);
+		goto out;
+	}
+
+	vmf->ptl = pte_lockptr(vmf->vma->vm_mm, &pmdval);
+	if (unlikely(!spin_trylock(vmf->ptl))) {
+		trace_spf_pte_lock(_RET_IP_, vmf->vma, vmf->address);
+		goto out;
+	}
+
+	/*
+	 * The check below will fail if pte_spinlock passed its ptl barrier
+	 * before we took the ptl lock.
+	 */
+	if (vma_has_changed(vmf)) {
+		spin_unlock(vmf->ptl);
+		trace_spf_vma_changed(_RET_IP_, vmf->vma, vmf->address);
+		goto out;
+	}
+
+	ret = true;
+out:
+	local_irq_enable();
+	return ret;
+}
+
+static bool __pte_map_lock_speculative(struct vm_fault *vmf, unsigned long addr)
+{
+	bool ret = false;
+	pte_t *pte;
+	spinlock_t *ptl;
+	pmd_t pmdval;
+
+	/*
+	 * The first vma_has_changed() guarantees the page-tables are still
+	 * valid, having IRQs disabled ensures they stay around, hence the
+	 * second vma_has_changed() to make sure they are still valid once
+	 * we've got the lock. After that a concurrent zap_pte_range() will
+	 * block on the PTL and thus we're safe.
+	 */
+	local_irq_disable();
+	if (vma_has_changed(vmf)) {
+		trace_spf_vma_changed(_RET_IP_, vmf->vma, addr);
+		goto out;
+	}
+
+	/*
+	 * We check if the pmd value is still the same to ensure that there
+	 * is not a huge collapse operation in progress in our back.
+	 */
+	pmdval = READ_ONCE(*vmf->pmd);
+	if (!pmd_same(pmdval, vmf->orig_pmd)) {
+		trace_spf_pmd_changed(_RET_IP_, vmf->vma, addr);
+		goto out;
+	}
+
+	/*
+	 * Same as pte_offset_map_lock() except that we call
+	 * spin_trylock() in place of spin_lock() to avoid race with
+	 * unmap path which may have the lock and wait for this CPU
+	 * to invalidate TLB but this CPU has irq disabled.
+	 * Since we are in a speculative patch, accept it could fail
+	 */
+	ptl = pte_lockptr(vmf->vma->vm_mm, &pmdval);
+	pte = pte_offset_map(&pmdval, addr);
+	if (unlikely(!spin_trylock(ptl))) {
+		pte_unmap(pte);
+		trace_spf_pte_lock(_RET_IP_, vmf->vma, addr);
+		goto out;
+	}
+
+	/*
+	 * The check below will fail if __pte_map_lock_speculative passed its ptl
+	 * barrier before we took the ptl lock.
+	 */
+	if (vma_has_changed(vmf)) {
+		pte_unmap_unlock(pte, ptl);
+		trace_spf_vma_changed(_RET_IP_, vmf->vma, addr);
+		goto out;
+	}
+
+	vmf->pte = pte;
+	vmf->ptl = ptl;
+	ret = true;
+out:
+	local_irq_enable();
+	return ret;
+}
+
+static bool pte_map_lock(struct vm_fault *vmf)
+{
+	if (!(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+		vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+					       vmf->address, &vmf->ptl);
+		return true;
+	}
+
+	return __pte_map_lock_speculative(vmf, vmf->address);
+}
+
+bool pte_map_lock_addr(struct vm_fault *vmf, unsigned long addr)
+{
+	if (!(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+		vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+					       addr, &vmf->ptl);
+		return true;
+	}
+
+	return __pte_map_lock_speculative(vmf, addr);
+}
+
+static bool __read_mostly allow_file_spec_access;
+static int __init allow_file_spec_access_setup(char *str)
+{
+	allow_file_spec_access = true;
+	return 1;
+}
+__setup("allow_file_spec_access", allow_file_spec_access_setup);
+
+static bool vmf_allows_speculation(struct vm_fault *vmf)
+{
+	if (vma_is_anonymous(vmf->vma)) {
+		/*
+		 * __anon_vma_prepare() requires the mmap_sem to be held
+		 * because vm_next and vm_prev must be safe. This can't be
+		 * guaranteed in the speculative path.
+		 */
+		if (!vmf->vma->anon_vma) {
+			trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+			return false;
+		}
+		return true;
+	}
+
+	if (!allow_file_spec_access) {
+		/*
+		 * Can't call vm_ops service has we don't know what they would
+		 * do with the VMA.
+		 * This include huge page from hugetlbfs.
+		 */
+		trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+		return false;
+	}
+
+	if (!(vmf->vma->vm_flags & VM_SHARED) &&
+		(vmf->flags & FAULT_FLAG_WRITE) &&
+		!vmf->vma->anon_vma) {
+		/*
+		 * non-anonymous private COW without anon_vma.
+		 * See above.
+		 */
+		trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+		return false;
+	}
+
+	if (vmf->vma->vm_ops->allow_speculation &&
+		vmf->vma->vm_ops->allow_speculation()) {
+		return true;
+	}
+
+	trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+	return false;
+}
+
+#else
+static inline bool pte_spinlock(struct vm_fault *vmf)
+{
+	vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
+	spin_lock(vmf->ptl);
+	return true;
+}
+
+static inline bool pte_map_lock(struct vm_fault *vmf)
+{
+	vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+				       vmf->address, &vmf->ptl);
+	return true;
+}
+
+inline bool pte_map_lock_addr(struct vm_fault *vmf, unsigned long addr)
+{
+	vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+					addr, &vmf->ptl);
+	return true;
+}
+
+static inline bool vmf_allows_speculation(struct vm_fault *vmf)
+{
+	return false;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
 /*
  * Scan a region of virtual memory, calling a provided function on
  * each leaf page table where it exists.
@@ -2603,21 +2853,29 @@
  * parts, do_swap_page must check under lock before unmapping the pte and
  * proceeding (but do_wp_page is only called after already making such a check;
  * and do_anonymous_page can safely check later on).
+ *
+ * pte_unmap_same() returns:
+ *	0			if the PTE are the same
+ *	VM_FAULT_PTNOTSAME	if the PTE are different
+ *	VM_FAULT_RETRY		if the VMA has changed in our back during
+ *				a speculative page fault handling.
  */
-static inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd,
-				pte_t *page_table, pte_t orig_pte)
+static inline int pte_unmap_same(struct vm_fault *vmf)
 {
-	int same = 1;
-#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPTION)
+	int ret = 0;
+
+#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)
 	if (sizeof(pte_t) > sizeof(unsigned long)) {
-		spinlock_t *ptl = pte_lockptr(mm, pmd);
-		spin_lock(ptl);
-		same = pte_same(*page_table, orig_pte);
-		spin_unlock(ptl);
+		if (pte_spinlock(vmf)) {
+			if (!pte_same(*vmf->pte, vmf->orig_pte))
+				ret = VM_FAULT_PTNOTSAME;
+			spin_unlock(vmf->ptl);
+		} else
+			ret = VM_FAULT_RETRY;
 	}
 #endif
-	pte_unmap(page_table);
-	return same;
+	pte_unmap(vmf->pte);
+	return ret;
 }
 
 static inline bool cow_user_page(struct page *dst, struct page *src,
@@ -2649,7 +2907,7 @@
 	 * On architectures with software "accessed" bits, we would
 	 * take a double page fault, so mark it accessed here.
 	 */
-	if (arch_faults_on_old_pte() && !pte_young(vmf->orig_pte)) {
+	if (!arch_has_hw_pte_young() && !pte_young(vmf->orig_pte)) {
 		pte_t entry;
 
 		vmf->pte = pte_offset_map_lock(mm, vmf->pmd, addr, &vmf->ptl);
@@ -2838,7 +3096,7 @@
 
 	flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte));
 	entry = pte_mkyoung(vmf->orig_pte);
-	entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+	entry = maybe_mkwrite(pte_mkdirty(entry), vmf->vma_flags);
 	if (ptep_set_access_flags(vma, vmf->address, vmf->pte, entry, 1))
 		update_mmu_cache(vma, vmf->address, vmf->pte);
 	pte_unmap_unlock(vmf->pte, vmf->ptl);
@@ -2870,20 +3128,21 @@
 	pte_t entry;
 	int page_copied = 0;
 	struct mmu_notifier_range range;
+	vm_fault_t ret = VM_FAULT_OOM;
 
 	if (unlikely(anon_vma_prepare(vma)))
-		goto oom;
+		goto out;
 
 	if (is_zero_pfn(pte_pfn(vmf->orig_pte))) {
 		new_page = alloc_zeroed_user_highpage_movable(vma,
 							      vmf->address);
 		if (!new_page)
-			goto oom;
+			goto out;
 	} else {
 		new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma,
 				vmf->address);
 		if (!new_page)
-			goto oom;
+			goto out;
 
 		if (!cow_user_page(new_page, old_page, vmf)) {
 			/*
@@ -2900,7 +3159,7 @@
 	}
 
 	if (mem_cgroup_charge(new_page, mm, GFP_KERNEL))
-		goto oom_free_new;
+		goto out_free_new;
 	cgroup_throttle_swaprate(new_page, GFP_KERNEL);
 
 	__SetPageUptodate(new_page);
@@ -2913,7 +3172,10 @@
 	/*
 	 * Re-check the pte - we dropped the lock
 	 */
-	vmf->pte = pte_offset_map_lock(mm, vmf->pmd, vmf->address, &vmf->ptl);
+	if (!pte_map_lock(vmf)) {
+		ret = VM_FAULT_RETRY;
+		goto out_invalidate_end;
+	}
 	if (likely(pte_same(*vmf->pte, vmf->orig_pte))) {
 		if (old_page) {
 			if (!PageAnon(old_page)) {
@@ -2925,9 +3187,9 @@
 			inc_mm_counter_fast(mm, MM_ANONPAGES);
 		}
 		flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte));
-		entry = mk_pte(new_page, vma->vm_page_prot);
+		entry = mk_pte(new_page, vmf->vma_page_prot);
 		entry = pte_sw_mkyoung(entry);
-		entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+		entry = maybe_mkwrite(pte_mkdirty(entry), vmf->vma_flags);
 		/*
 		 * Clear the pte entry and flush it first, before updating the
 		 * pte with the new entry. This will avoid a race condition
@@ -2935,8 +3197,8 @@
 		 * thread doing COW.
 		 */
 		ptep_clear_flush_notify(vma, vmf->address, vmf->pte);
-		page_add_new_anon_rmap(new_page, vma, vmf->address, false);
-		lru_cache_add_inactive_or_unevictable(new_page, vma);
+		__page_add_new_anon_rmap(new_page, vma, vmf->address, false);
+		__lru_cache_add_inactive_or_unevictable(new_page, vmf->vma_flags);
 		/*
 		 * We call the notify macro here because, when using secondary
 		 * mmu page tables (such as kvm shadow page tables), we want the
@@ -2991,7 +3253,7 @@
 		 * Don't let another task, with possibly unlocked vma,
 		 * keep the mlocked page.
 		 */
-		if (page_copied && (vma->vm_flags & VM_LOCKED)) {
+		if (page_copied && (vmf->vma_flags & VM_LOCKED)) {
 			lock_page(old_page);	/* LRU manipulation */
 			if (PageMlocked(old_page))
 				munlock_vma_page(old_page);
@@ -3000,12 +3262,14 @@
 		put_page(old_page);
 	}
 	return page_copied ? VM_FAULT_WRITE : 0;
-oom_free_new:
+out_invalidate_end:
+	mmu_notifier_invalidate_range_only_end(&range);
+out_free_new:
 	put_page(new_page);
-oom:
+out:
 	if (old_page)
 		put_page(old_page);
-	return VM_FAULT_OOM;
+	return ret;
 }
 
 /**
@@ -3026,9 +3290,9 @@
  */
 vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf)
 {
-	WARN_ON_ONCE(!(vmf->vma->vm_flags & VM_SHARED));
-	vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
-				       &vmf->ptl);
+	WARN_ON_ONCE(!(vmf->vma_flags & VM_SHARED));
+	if (!pte_map_lock(vmf))
+		return VM_FAULT_RETRY;
 	/*
 	 * We might have raced with another page fault while we released the
 	 * pte_offset_map_lock.
@@ -3123,6 +3387,8 @@
 
 	if (userfaultfd_pte_wp(vma, *vmf->pte)) {
 		pte_unmap_unlock(vmf->pte, vmf->ptl);
+		if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+			return VM_FAULT_RETRY;
 		return handle_userfault(vmf, VM_UFFD_WP);
 	}
 
@@ -3134,7 +3400,8 @@
 		     mm_tlb_flush_pending(vmf->vma->vm_mm)))
 		flush_tlb_page(vmf->vma, vmf->address);
 
-	vmf->page = vm_normal_page(vma, vmf->address, vmf->orig_pte);
+	vmf->page = _vm_normal_page(vma, vmf->address, vmf->orig_pte,
+					vmf->vma_flags);
 	if (!vmf->page) {
 		/*
 		 * VM_MIXEDMAP !pfn_valid() case, or VM_SOFTDIRTY clear on a
@@ -3143,7 +3410,7 @@
 		 * We should not cow pages in a shared writeable mapping.
 		 * Just mark the pages writable and/or call ops->pfn_mkwrite.
 		 */
-		if ((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==
+		if ((vmf->vma_flags & (VM_WRITE|VM_SHARED)) ==
 				     (VM_WRITE|VM_SHARED))
 			return wp_pfn_shared(vmf);
 
@@ -3175,7 +3442,7 @@
 		unlock_page(page);
 		wp_page_reuse(vmf);
 		return VM_FAULT_WRITE;
-	} else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==
+	} else if (unlikely((vmf->vma_flags & (VM_WRITE|VM_SHARED)) ==
 					(VM_WRITE|VM_SHARED))) {
 		return wp_page_shared(vmf);
 	}
@@ -3331,11 +3598,25 @@
 	pte_t pte;
 	int locked;
 	int exclusive = 0;
-	vm_fault_t ret = 0;
+	vm_fault_t ret;
 	void *shadow = NULL;
 
-	if (!pte_unmap_same(vma->vm_mm, vmf->pmd, vmf->pte, vmf->orig_pte))
+	if (vmf->flags & FAULT_FLAG_SPECULATIVE) {
+		pte_unmap(vmf->pte);
+		return VM_FAULT_RETRY;
+	}
+
+	ret = pte_unmap_same(vmf);
+	if (ret) {
+		/*
+		 * If pte != orig_pte, this means another thread did the
+		 * swap operation in our back.
+		 * So nothing else to do.
+		 */
+		if (ret == VM_FAULT_PTNOTSAME)
+			ret = 0;
 		goto out;
+	}
 
 	entry = pte_to_swp_entry(vmf->orig_pte);
 	if (unlikely(non_swap_entry(entry))) {
@@ -3365,8 +3646,10 @@
 		if (data_race(si->flags & SWP_SYNCHRONOUS_IO) &&
 		    __swap_count(entry) == 1) {
 			/* skip swapcache */
-			page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma,
-							vmf->address);
+			gfp_t flags = GFP_HIGHUSER_MOVABLE | __GFP_CMA;
+
+			trace_android_rvh_set_skip_swapcache_flags(&flags);
+			page = alloc_page_vma(flags, vma, vmf->address);
 			if (page) {
 				int err;
 
@@ -3391,19 +3674,35 @@
 				lru_cache_add(page);
 				swap_readpage(page, true);
 			}
+		} else if (vmf->flags & FAULT_FLAG_SPECULATIVE) {
+			/*
+			 * Don't try readahead during a speculative page fault
+			 * as the VMA's boundaries may change in our back.
+			 * If the page is not in the swap cache and synchronous
+			 * read is disabled, fall back to the regular page fault
+			 * mechanism.
+			 */
+			delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
+			ret = VM_FAULT_RETRY;
+			goto out;
 		} else {
-			page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE,
+			page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE | __GFP_CMA,
 						vmf);
 			swapcache = page;
 		}
 
 		if (!page) {
 			/*
-			 * Back out if somebody else faulted in this pte
-			 * while we released the pte lock.
+			 * Back out if the VMA has changed in our back during
+			 * a speculative page fault or if somebody else
+			 * faulted in this pte while we released the pte lock.
 			 */
-			vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
-					vmf->address, &vmf->ptl);
+			if (!pte_map_lock(vmf)) {
+				delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
+				ret = VM_FAULT_RETRY;
+				goto out;
+			}
+
 			if (likely(pte_same(*vmf->pte, vmf->orig_pte)))
 				ret = VM_FAULT_OOM;
 			delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
@@ -3452,10 +3751,13 @@
 	cgroup_throttle_swaprate(page, GFP_KERNEL);
 
 	/*
-	 * Back out if somebody else already faulted in this pte.
+	 * Back out if the VMA has changed in our back during a speculative
+	 * page fault or if somebody else already faulted in this pte.
 	 */
-	vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
-			&vmf->ptl);
+	if (!pte_map_lock(vmf)) {
+		ret = VM_FAULT_RETRY;
+		goto out_page;
+	}
 	if (unlikely(!pte_same(*vmf->pte, vmf->orig_pte)))
 		goto out_nomap;
 
@@ -3476,9 +3778,9 @@
 
 	inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
 	dec_mm_counter_fast(vma->vm_mm, MM_SWAPENTS);
-	pte = mk_pte(page, vma->vm_page_prot);
+	pte = mk_pte(page, vmf->vma_page_prot);
 	if ((vmf->flags & FAULT_FLAG_WRITE) && reuse_swap_page(page, NULL)) {
-		pte = maybe_mkwrite(pte_mkdirty(pte), vma);
+		pte = maybe_mkwrite(pte_mkdirty(pte), vmf->vma_flags);
 		vmf->flags &= ~FAULT_FLAG_WRITE;
 		ret |= VM_FAULT_WRITE;
 		exclusive = RMAP_EXCLUSIVE;
@@ -3496,15 +3798,15 @@
 
 	/* ksm created a completely new copy */
 	if (unlikely(page != swapcache && swapcache)) {
-		page_add_new_anon_rmap(page, vma, vmf->address, false);
-		lru_cache_add_inactive_or_unevictable(page, vma);
+		__page_add_new_anon_rmap(page, vma, vmf->address, false);
+		__lru_cache_add_inactive_or_unevictable(page, vmf->vma_flags);
 	} else {
 		do_page_add_anon_rmap(page, vma, vmf->address, exclusive);
 	}
 
 	swap_free(entry);
 	if (mem_cgroup_swap_full(page) ||
-	    (vma->vm_flags & VM_LOCKED) || PageMlocked(page))
+	    (vmf->vma_flags & VM_LOCKED) || PageMlocked(page))
 		try_to_free_swap(page);
 	unlock_page(page);
 	if (page != swapcache && swapcache) {
@@ -3559,9 +3861,13 @@
 	pte_t entry;
 
 	/* File mapping without ->vm_ops ? */
-	if (vma->vm_flags & VM_SHARED)
+	if (vmf->vma_flags & VM_SHARED)
 		return VM_FAULT_SIGBUS;
 
+	/* Do not check unstable pmd, if it's changed will retry later */
+	if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+		goto skip_pmd_checks;
+
 	/*
 	 * Use pte_alloc() instead of pte_alloc_map().  We can't run
 	 * pte_offset_map() on pmds where a huge pmd might be created
@@ -3575,17 +3881,18 @@
 	if (pte_alloc(vma->vm_mm, vmf->pmd))
 		return VM_FAULT_OOM;
 
-	/* See the comment in pte_alloc_one_map() */
+	/* See comment in handle_pte_fault() */
 	if (unlikely(pmd_trans_unstable(vmf->pmd)))
 		return 0;
 
+skip_pmd_checks:
 	/* Use the zero-page for reads */
 	if (!(vmf->flags & FAULT_FLAG_WRITE) &&
 			!mm_forbids_zeropage(vma->vm_mm)) {
 		entry = pte_mkspecial(pfn_pte(my_zero_pfn(vmf->address),
-						vma->vm_page_prot));
-		vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
-				vmf->address, &vmf->ptl);
+						vmf->vma_page_prot));
+		if (!pte_map_lock(vmf))
+			return VM_FAULT_RETRY;
 		if (!pte_none(*vmf->pte)) {
 			update_mmu_tlb(vma, vmf->address, vmf->pte);
 			goto unlock;
@@ -3593,6 +3900,14 @@
 		ret = check_stable_address_space(vma->vm_mm);
 		if (ret)
 			goto unlock;
+		/*
+		 * Don't call the userfaultfd during the speculative path.
+		 * We already checked for the VMA to not be managed through
+		 * userfaultfd, but it may be set in our back once we have lock
+		 * the pte. In such a case we can ignore it this time.
+		 */
+		if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+			goto setpte;
 		/* Deliver the page fault to userland, check inside PT lock */
 		if (userfaultfd_missing(vma)) {
 			pte_unmap_unlock(vmf->pte, vmf->ptl);
@@ -3619,32 +3934,36 @@
 	 */
 	__SetPageUptodate(page);
 
-	entry = mk_pte(page, vma->vm_page_prot);
+	entry = mk_pte(page, vmf->vma_page_prot);
 	entry = pte_sw_mkyoung(entry);
-	if (vma->vm_flags & VM_WRITE)
+	if (vmf->vma_flags & VM_WRITE)
 		entry = pte_mkwrite(pte_mkdirty(entry));
 
-	vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
-			&vmf->ptl);
+	if (!pte_map_lock(vmf)) {
+		ret = VM_FAULT_RETRY;
+		goto release;
+	}
+
 	if (!pte_none(*vmf->pte)) {
 		update_mmu_cache(vma, vmf->address, vmf->pte);
-		goto release;
+		goto unlock_and_release;
 	}
 
 	ret = check_stable_address_space(vma->vm_mm);
 	if (ret)
-		goto release;
+		goto unlock_and_release;
 
 	/* Deliver the page fault to userland, check inside PT lock */
-	if (userfaultfd_missing(vma)) {
+	if (!(vmf->flags & FAULT_FLAG_SPECULATIVE) &&
+				userfaultfd_missing(vma)) {
 		pte_unmap_unlock(vmf->pte, vmf->ptl);
 		put_page(page);
 		return handle_userfault(vmf, VM_UFFD_MISSING);
 	}
 
 	inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
-	page_add_new_anon_rmap(page, vma, vmf->address, false);
-	lru_cache_add_inactive_or_unevictable(page, vma);
+	__page_add_new_anon_rmap(page, vma, vmf->address, false);
+	__lru_cache_add_inactive_or_unevictable(page, vmf->vma_flags);
 setpte:
 	set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry);
 
@@ -3653,9 +3972,11 @@
 unlock:
 	pte_unmap_unlock(vmf->pte, vmf->ptl);
 	return ret;
+unlock_and_release:
+	pte_unmap_unlock(vmf->pte, vmf->ptl);
 release:
 	put_page(page);
-	goto unlock;
+	return ret;
 oom_free_page:
 	put_page(page);
 oom:
@@ -3672,6 +3993,10 @@
 	struct vm_area_struct *vma = vmf->vma;
 	vm_fault_t ret;
 
+	/* Do not check unstable pmd, if it's changed will retry later */
+	if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+		goto skip_pmd_checks;
+
 	/*
 	 * Preallocate pte before we take page_lock because this might lead to
 	 * deadlocks for memcg reclaim which waits for pages under writeback:
@@ -3694,6 +4019,7 @@
 		smp_wmb(); /* See comment in __pte_alloc() */
 	}
 
+skip_pmd_checks:
 	ret = vma->vm_ops->fault(vmf);
 	if (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE | VM_FAULT_RETRY |
 			    VM_FAULT_DONE_COW)))
@@ -3724,66 +4050,6 @@
 	return ret;
 }
 
-/*
- * The ordering of these checks is important for pmds with _PAGE_DEVMAP set.
- * If we check pmd_trans_unstable() first we will trip the bad_pmd() check
- * inside of pmd_none_or_trans_huge_or_clear_bad(). This will end up correctly
- * returning 1 but not before it spams dmesg with the pmd_clear_bad() output.
- */
-static int pmd_devmap_trans_unstable(pmd_t *pmd)
-{
-	return pmd_devmap(*pmd) || pmd_trans_unstable(pmd);
-}
-
-static vm_fault_t pte_alloc_one_map(struct vm_fault *vmf)
-{
-	struct vm_area_struct *vma = vmf->vma;
-
-	if (!pmd_none(*vmf->pmd))
-		goto map_pte;
-	if (vmf->prealloc_pte) {
-		vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd);
-		if (unlikely(!pmd_none(*vmf->pmd))) {
-			spin_unlock(vmf->ptl);
-			goto map_pte;
-		}
-
-		mm_inc_nr_ptes(vma->vm_mm);
-		pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte);
-		spin_unlock(vmf->ptl);
-		vmf->prealloc_pte = NULL;
-	} else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) {
-		return VM_FAULT_OOM;
-	}
-map_pte:
-	/*
-	 * If a huge pmd materialized under us just retry later.  Use
-	 * pmd_trans_unstable() via pmd_devmap_trans_unstable() instead of
-	 * pmd_trans_huge() to ensure the pmd didn't become pmd_trans_huge
-	 * under us and then back to pmd_none, as a result of MADV_DONTNEED
-	 * running immediately after a huge pmd fault in a different thread of
-	 * this mm, in turn leading to a misleading pmd_trans_huge() retval.
-	 * All we have to ensure is that it is a regular pmd that we can walk
-	 * with pte_offset_map() and we can do that through an atomic read in
-	 * C, which is what pmd_trans_unstable() provides.
-	 */
-	if (pmd_devmap_trans_unstable(vmf->pmd))
-		return VM_FAULT_NOPAGE;
-
-	/*
-	 * At this point we know that our vmf->pmd points to a page of ptes
-	 * and it cannot become pmd_none(), pmd_devmap() or pmd_trans_huge()
-	 * for the duration of the fault.  If a racing MADV_DONTNEED runs and
-	 * we zap the ptes pointed to by our vmf->pmd, the vmf->ptl will still
-	 * be valid and we will re-check to make sure the vmf->pte isn't
-	 * pte_none() under vmf->ptl protection when we return to
-	 * alloc_set_pte().
-	 */
-	vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
-			&vmf->ptl);
-	return 0;
-}
-
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 static void deposit_prealloc_pte(struct vm_fault *vmf)
 {
@@ -3798,7 +4064,7 @@
 	vmf->prealloc_pte = NULL;
 }
 
-static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
+vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
 {
 	struct vm_area_struct *vma = vmf->vma;
 	bool write = vmf->flags & FAULT_FLAG_WRITE;
@@ -3832,7 +4098,7 @@
 	for (i = 0; i < HPAGE_PMD_NR; i++)
 		flush_icache_page(vma, page + i);
 
-	entry = mk_huge_pmd(page, vma->vm_page_prot);
+	entry = mk_huge_pmd(page, vmf->vma_page_prot);
 	if (write)
 		entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
 
@@ -3856,76 +4122,41 @@
 	return ret;
 }
 #else
-static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
+vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
 {
-	BUILD_BUG();
-	return 0;
+	return VM_FAULT_FALLBACK;
 }
 #endif
 
-/**
- * alloc_set_pte - setup new PTE entry for given page and add reverse page
- * mapping. If needed, the function allocates page table or use pre-allocated.
- *
- * @vmf: fault environment
- * @page: page to map
- *
- * Caller must take care of unlocking vmf->ptl, if vmf->pte is non-NULL on
- * return.
- *
- * Target users are page handler itself and implementations of
- * vm_ops->map_pages.
- *
- * Return: %0 on success, %VM_FAULT_ code in case of error.
- */
-vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page)
+void do_set_pte(struct vm_fault *vmf, struct page *page, unsigned long addr)
 {
 	struct vm_area_struct *vma = vmf->vma;
 	bool write = vmf->flags & FAULT_FLAG_WRITE;
+	bool prefault = vmf->address != addr;
 	pte_t entry;
-	vm_fault_t ret;
-
-	if (pmd_none(*vmf->pmd) && PageTransCompound(page)) {
-		ret = do_set_pmd(vmf, page);
-		if (ret != VM_FAULT_FALLBACK)
-			return ret;
-	}
-
-	if (!vmf->pte) {
-		ret = pte_alloc_one_map(vmf);
-		if (ret)
-			return ret;
-	}
-
-	/* Re-check under ptl */
-	if (unlikely(!pte_none(*vmf->pte))) {
-		update_mmu_tlb(vma, vmf->address, vmf->pte);
-		return VM_FAULT_NOPAGE;
-	}
 
 	flush_icache_page(vma, page);
-	entry = mk_pte(page, vma->vm_page_prot);
-	entry = pte_sw_mkyoung(entry);
+	entry = mk_pte(page, vmf->vma_page_prot);
+
+	if (prefault && arch_wants_old_prefaulted_pte())
+		entry = pte_mkold(entry);
+	else
+		entry = pte_sw_mkyoung(entry);
+
 	if (write)
-		entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+		entry = maybe_mkwrite(pte_mkdirty(entry), vmf->vma_flags);
 	/* copy-on-write page */
-	if (write && !(vma->vm_flags & VM_SHARED)) {
+	if (write && !(vmf->vma_flags & VM_SHARED)) {
 		inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
-		page_add_new_anon_rmap(page, vma, vmf->address, false);
-		lru_cache_add_inactive_or_unevictable(page, vma);
+		__page_add_new_anon_rmap(page, vma, addr, false);
+		__lru_cache_add_inactive_or_unevictable(page, vmf->vma_flags);
 	} else {
 		inc_mm_counter_fast(vma->vm_mm, mm_counter_file(page));
 		page_add_file_rmap(page, false);
 	}
-	set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry);
-
-	/* no need to invalidate: a not-present page won't be cached */
-	update_mmu_cache(vma, vmf->address, vmf->pte);
-
-	return 0;
+	set_pte_at(vma->vm_mm, addr, vmf->pte, entry);
 }
 
-
 /**
  * finish_fault - finish page fault once we have prepared the page to fault
  *
@@ -3943,12 +4174,13 @@
  */
 vm_fault_t finish_fault(struct vm_fault *vmf)
 {
+	struct vm_area_struct *vma = vmf->vma;
 	struct page *page;
-	vm_fault_t ret = 0;
+	vm_fault_t ret;
 
 	/* Did we COW the page? */
 	if ((vmf->flags & FAULT_FLAG_WRITE) &&
-	    !(vmf->vma->vm_flags & VM_SHARED))
+	    !(vmf->vma_flags & VM_SHARED))
 		page = vmf->cow_page;
 	else
 		page = vmf->page;
@@ -3957,12 +4189,56 @@
 	 * check even for read faults because we might have lost our CoWed
 	 * page
 	 */
-	if (!(vmf->vma->vm_flags & VM_SHARED))
-		ret = check_stable_address_space(vmf->vma->vm_mm);
-	if (!ret)
-		ret = alloc_set_pte(vmf, page);
-	if (vmf->pte)
-		pte_unmap_unlock(vmf->pte, vmf->ptl);
+	if (!(vma->vm_flags & VM_SHARED)) {
+		ret = check_stable_address_space(vma->vm_mm);
+		if (ret)
+			return ret;
+	}
+
+	/* Do not check unstable pmd, if it's changed will retry later */
+	if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+		goto skip_pmd_checks;
+
+	if (pmd_none(*vmf->pmd)) {
+		if (PageTransCompound(page)) {
+			ret = do_set_pmd(vmf, page);
+			if (ret != VM_FAULT_FALLBACK)
+				return ret;
+		}
+
+		if (vmf->prealloc_pte) {
+			vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd);
+			if (likely(pmd_none(*vmf->pmd))) {
+				mm_inc_nr_ptes(vma->vm_mm);
+				pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte);
+				vmf->prealloc_pte = NULL;
+			}
+			spin_unlock(vmf->ptl);
+		} else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) {
+			return VM_FAULT_OOM;
+		}
+	}
+
+	/*
+	 * See comment in handle_pte_fault() for how this scenario happens, we
+	 * need to return NOPAGE so that we drop this page.
+	 */
+	if (pmd_devmap_trans_unstable(vmf->pmd))
+		return VM_FAULT_NOPAGE;
+
+skip_pmd_checks:
+	if (!pte_map_lock(vmf))
+		return VM_FAULT_RETRY;
+
+	ret = 0;
+	/* Re-check under ptl */
+	if (likely(pte_none(*vmf->pte)))
+		do_set_pte(vmf, page, vmf->address);
+	else
+		ret = VM_FAULT_NOPAGE;
+
+	update_mmu_tlb(vma, vmf->address, vmf->pte);
+	pte_unmap_unlock(vmf->pte, vmf->ptl);
 	return ret;
 }
 
@@ -4032,13 +4308,12 @@
 	pgoff_t start_pgoff = vmf->pgoff;
 	pgoff_t end_pgoff;
 	int off;
-	vm_fault_t ret = 0;
 
 	nr_pages = READ_ONCE(fault_around_bytes) >> PAGE_SHIFT;
 	mask = ~(nr_pages * PAGE_SIZE - 1) & PAGE_MASK;
 
-	vmf->address = max(address & mask, vmf->vma->vm_start);
-	off = ((address - vmf->address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
+	address = max(address & mask, vmf->vma->vm_start);
+	off = ((vmf->address - address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
 	start_pgoff -= off;
 
 	/*
@@ -4046,39 +4321,20 @@
 	 *  the vma or nr_pages from start_pgoff, depending what is nearest.
 	 */
 	end_pgoff = start_pgoff -
-		((vmf->address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +
+		((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +
 		PTRS_PER_PTE - 1;
 	end_pgoff = min3(end_pgoff, vma_pages(vmf->vma) + vmf->vma->vm_pgoff - 1,
 			start_pgoff + nr_pages - 1);
 
-	if (pmd_none(*vmf->pmd)) {
+	if (!(vmf->flags & FAULT_FLAG_SPECULATIVE) &&
+	    pmd_none(*vmf->pmd)) {
 		vmf->prealloc_pte = pte_alloc_one(vmf->vma->vm_mm);
 		if (!vmf->prealloc_pte)
-			goto out;
+			return VM_FAULT_OOM;
 		smp_wmb(); /* See comment in __pte_alloc() */
 	}
 
-	vmf->vma->vm_ops->map_pages(vmf, start_pgoff, end_pgoff);
-
-	/* Huge page is mapped? Page fault is solved */
-	if (pmd_trans_huge(*vmf->pmd)) {
-		ret = VM_FAULT_NOPAGE;
-		goto out;
-	}
-
-	/* ->map_pages() haven't done anything useful. Cold page cache? */
-	if (!vmf->pte)
-		goto out;
-
-	/* check if the page fault is solved */
-	vmf->pte -= (vmf->address >> PAGE_SHIFT) - (address >> PAGE_SHIFT);
-	if (!pte_none(*vmf->pte))
-		ret = VM_FAULT_NOPAGE;
-	pte_unmap_unlock(vmf->pte, vmf->ptl);
-out:
-	vmf->address = address;
-	vmf->pte = NULL;
-	return ret;
+	return vmf->vma->vm_ops->map_pages(vmf, start_pgoff, end_pgoff);
 }
 
 static vm_fault_t do_read_fault(struct vm_fault *vmf)
@@ -4092,9 +4348,11 @@
 	 * something).
 	 */
 	if (vma->vm_ops->map_pages && fault_around_bytes >> PAGE_SHIFT > 1) {
-		ret = do_fault_around(vmf);
-		if (ret)
-			return ret;
+		if (likely(!userfaultfd_minor(vmf->vma))) {
+			ret = do_fault_around(vmf);
+			if (ret)
+				return ret;
+		}
 	}
 
 	ret = __do_fault(vmf);
@@ -4226,7 +4484,7 @@
 		}
 	} else if (!(vmf->flags & FAULT_FLAG_WRITE))
 		ret = do_read_fault(vmf);
-	else if (!(vma->vm_flags & VM_SHARED))
+	else if (!(vmf->vma_flags & VM_SHARED))
 		ret = do_cow_fault(vmf);
 	else
 		ret = do_shared_fault(vmf);
@@ -4271,8 +4529,8 @@
 	 * validation through pte_unmap_same(). It's of NUMA type but
 	 * the pfn may be screwed if the read is non atomic.
 	 */
-	vmf->ptl = pte_lockptr(vma->vm_mm, vmf->pmd);
-	spin_lock(vmf->ptl);
+	if (!pte_spinlock(vmf))
+		return VM_FAULT_RETRY;
 	if (unlikely(!pte_same(*vmf->pte, vmf->orig_pte))) {
 		pte_unmap_unlock(vmf->pte, vmf->ptl);
 		goto out;
@@ -4283,14 +4541,14 @@
 	 * accessible ptes, some can allow access by kernel mode.
 	 */
 	old_pte = ptep_modify_prot_start(vma, vmf->address, vmf->pte);
-	pte = pte_modify(old_pte, vma->vm_page_prot);
+	pte = pte_modify(old_pte, vmf->vma_page_prot);
 	pte = pte_mkyoung(pte);
 	if (was_writable)
 		pte = pte_mkwrite(pte);
 	ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte);
 	update_mmu_cache(vma, vmf->address, vmf->pte);
 
-	page = vm_normal_page(vma, vmf->address, pte);
+	page = _vm_normal_page(vma, vmf->address, pte, vmf->vma_flags);
 	if (!page) {
 		pte_unmap_unlock(vmf->pte, vmf->ptl);
 		return 0;
@@ -4317,7 +4575,7 @@
 	 * Flag if the page is shared between multiple address spaces. This
 	 * is later used when determining whether to group tasks together
 	 */
-	if (page_mapcount(page) > 1 && (vma->vm_flags & VM_SHARED))
+	if (page_mapcount(page) > 1 && (vmf->vma_flags & VM_SHARED))
 		flags |= TNF_SHARED;
 
 	last_cpupid = page_cpupid_last(page);
@@ -4331,7 +4589,7 @@
 	}
 
 	/* Migrate to the requested node */
-	migrated = migrate_misplaced_page(page, vma, target_nid);
+	migrated = migrate_misplaced_page(page, vmf, target_nid);
 	if (migrated) {
 		page_nid = target_nid;
 		flags |= TNF_MIGRATED;
@@ -4425,6 +4683,11 @@
 static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
 {
 	pte_t entry;
+	vm_fault_t ret = 0;
+
+	/* Do not check unstable pmd, if it's changed will retry later */
+	if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+		goto skip_pmd_checks;
 
 	if (unlikely(pmd_none(*vmf->pmd))) {
 		/*
@@ -4435,7 +4698,18 @@
 		 */
 		vmf->pte = NULL;
 	} else {
-		/* See comment in pte_alloc_one_map() */
+		/*
+		 * If a huge pmd materialized under us just retry later.  Use
+		 * pmd_trans_unstable() via pmd_devmap_trans_unstable() instead
+		 * of pmd_trans_huge() to ensure the pmd didn't become
+		 * pmd_trans_huge under us and then back to pmd_none, as a
+		 * result of MADV_DONTNEED running immediately after a huge pmd
+		 * fault in a different thread of this mm, in turn leading to a
+		 * misleading pmd_trans_huge() retval. All we have to ensure is
+		 * that it is a regular pmd that we can walk with
+		 * pte_offset_map() and we can do that through an atomic read
+		 * in C, which is what pmd_trans_unstable() provides.
+		 */
 		if (pmd_devmap_trans_unstable(vmf->pmd))
 			return 0;
 		/*
@@ -4443,6 +4717,9 @@
 		 * pmd from under us anymore at this point because we hold the
 		 * mmap_lock read mode and khugepaged takes it in write mode.
 		 * So now it's safe to run pte_offset_map().
+		 * This is not applicable to the speculative page fault handler
+		 * but in that case, the pte is fetched earlier in
+		 * handle_speculative_fault().
 		 */
 		vmf->pte = pte_offset_map(vmf->pmd, vmf->address);
 		vmf->orig_pte = *vmf->pte;
@@ -4462,9 +4739,13 @@
 		}
 	}
 
+skip_pmd_checks:
 	if (!vmf->pte) {
 		if (vma_is_anonymous(vmf->vma))
 			return do_anonymous_page(vmf);
+		else if ((vmf->flags & FAULT_FLAG_SPECULATIVE) &&
+				!vmf_allows_speculation(vmf))
+			return VM_FAULT_RETRY;
 		else
 			return do_fault(vmf);
 	}
@@ -4475,16 +4756,27 @@
 	if (pte_protnone(vmf->orig_pte) && vma_is_accessible(vmf->vma))
 		return do_numa_page(vmf);
 
-	vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
-	spin_lock(vmf->ptl);
+	if (!pte_spinlock(vmf))
+		return VM_FAULT_RETRY;
 	entry = vmf->orig_pte;
 	if (unlikely(!pte_same(*vmf->pte, entry))) {
 		update_mmu_tlb(vmf->vma, vmf->address, vmf->pte);
 		goto unlock;
 	}
 	if (vmf->flags & FAULT_FLAG_WRITE) {
-		if (!pte_write(entry))
-			return do_wp_page(vmf);
+		if (!pte_write(entry)) {
+			if (!(vmf->flags & FAULT_FLAG_SPECULATIVE))
+				return do_wp_page(vmf);
+
+			if (!mmu_notifier_trylock(vmf->vma->vm_mm)) {
+				ret = VM_FAULT_RETRY;
+				goto unlock;
+			}
+
+			ret = do_wp_page(vmf);
+			mmu_notifier_unlock(vmf->vma->vm_mm);
+			return ret;
+		}
 		entry = pte_mkdirty(entry);
 	}
 	entry = pte_mkyoung(entry);
@@ -4495,6 +4787,8 @@
 		/* Skip spurious TLB flush for retried page fault */
 		if (vmf->flags & FAULT_FLAG_TRIED)
 			goto unlock;
+		if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+			ret = VM_FAULT_RETRY;
 		/*
 		 * This is needed only for protection faults but the arch code
 		 * is not yet telling us if this is a protection fault or not.
@@ -4506,7 +4800,7 @@
 	}
 unlock:
 	pte_unmap_unlock(vmf->pte, vmf->ptl);
-	return 0;
+	return ret;
 }
 
 /*
@@ -4524,6 +4818,8 @@
 		.flags = flags,
 		.pgoff = linear_page_index(vma, address),
 		.gfp_mask = __get_fault_gfp_mask(vma),
+		.vma_flags = vma->vm_flags,
+		.vma_page_prot = vma->vm_page_prot,
 	};
 	unsigned int dirty = flags & FAULT_FLAG_WRITE;
 	struct mm_struct *mm = vma->vm_mm;
@@ -4571,6 +4867,9 @@
 	if (pud_trans_unstable(vmf.pud))
 		goto retry_pud;
 
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	vmf.sequence = raw_read_seqcount(&vma->vm_sequence);
+#endif
 	if (pmd_none(*vmf.pmd) && __transparent_hugepage_enabled(vma)) {
 		ret = create_huge_pmd(&vmf);
 		if (!(ret & VM_FAULT_FALLBACK))
@@ -4665,6 +4964,300 @@
 		perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address);
 }
 
+static void lru_gen_enter_fault(struct vm_area_struct *vma);
+static void lru_gen_exit_fault(void);
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+
+#ifndef CONFIG_ARCH_HAS_PTE_SPECIAL
+/* This is required by vm_normal_page() */
+#error "Speculative page fault handler requires CONFIG_ARCH_HAS_PTE_SPECIAL"
+#endif
+/*
+ * vm_normal_page() adds some processing which should be done while
+ * hodling the mmap_sem.
+ */
+
+/*
+ * Tries to handle the page fault in a speculative way, without grabbing the
+ * mmap_sem.
+ * When VM_FAULT_RETRY is returned, the vma pointer is valid and this vma must
+ * be checked later when the mmap_sem has been grabbed by calling
+ * can_reuse_spf_vma().
+ * This is needed as the returned vma is kept in memory until the call to
+ * can_reuse_spf_vma() is made.
+ */
+static vm_fault_t ___handle_speculative_fault(struct mm_struct *mm,
+				unsigned long address, unsigned int flags,
+				struct vm_area_struct *vma)
+{
+	struct vm_fault vmf = {
+		.address = address,
+		.pgoff = linear_page_index(vma, address),
+		.vma = vma,
+		.gfp_mask = __get_fault_gfp_mask(vma),
+		.flags = flags,
+	};
+#ifdef CONFIG_NUMA
+	struct mempolicy *pol;
+#endif
+	pgd_t *pgd, pgdval;
+	p4d_t *p4d, p4dval;
+	pud_t pudval;
+	int seq;
+	vm_fault_t ret;
+
+	/* Clear flags that may lead to release the mmap_sem to retry */
+	flags &= ~(FAULT_FLAG_ALLOW_RETRY|FAULT_FLAG_KILLABLE);
+	flags |= FAULT_FLAG_SPECULATIVE;
+
+	/* rmb <-> seqlock,vma_rb_erase() */
+	seq = raw_read_seqcount(&vmf.vma->vm_sequence);
+	if (seq & 1) {
+		trace_spf_vma_changed(_RET_IP_, vmf.vma, address);
+		return VM_FAULT_RETRY;
+	}
+
+	if (!vmf_allows_speculation(&vmf))
+		return VM_FAULT_RETRY;
+
+	vmf.vma_flags = READ_ONCE(vmf.vma->vm_flags);
+	vmf.vma_page_prot = READ_ONCE(vmf.vma->vm_page_prot);
+
+#ifdef CONFIG_USERFAULTFD
+	/* Can't call userland page fault handler in the speculative path */
+	if (unlikely(vmf.vma_flags & __VM_UFFD_FLAGS)) {
+		trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+		return VM_FAULT_RETRY;
+	}
+#endif
+
+	if (vmf.vma_flags & VM_GROWSDOWN || vmf.vma_flags & VM_GROWSUP) {
+		/*
+		 * This could be detected by the check address against VMA's
+		 * boundaries but we want to trace it as not supported instead
+		 * of changed.
+		 */
+		trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+		return VM_FAULT_RETRY;
+	}
+
+	if (address < READ_ONCE(vmf.vma->vm_start)
+	    || READ_ONCE(vmf.vma->vm_end) <= address) {
+		trace_spf_vma_changed(_RET_IP_, vmf.vma, address);
+		return VM_FAULT_RETRY;
+	}
+
+	if (!arch_vma_access_permitted(vmf.vma, flags & FAULT_FLAG_WRITE,
+				       flags & FAULT_FLAG_INSTRUCTION,
+				       flags & FAULT_FLAG_REMOTE))
+		goto out_segv;
+
+	/* This is one is required to check that the VMA has write access set */
+	if (flags & FAULT_FLAG_WRITE) {
+		if (unlikely(!(vmf.vma_flags & VM_WRITE)))
+			goto out_segv;
+	} else if (unlikely(!(vmf.vma_flags & (VM_READ|VM_EXEC|VM_WRITE))))
+		goto out_segv;
+
+#ifdef CONFIG_NUMA
+	/*
+	 * MPOL_INTERLEAVE implies additional checks in
+	 * mpol_misplaced() which are not compatible with the
+	 *speculative page fault processing.
+	 */
+	pol = __get_vma_policy(vmf.vma, address);
+	if (!pol)
+		pol = get_task_policy(current);
+	if (pol && pol->mode == MPOL_INTERLEAVE) {
+		trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+		return VM_FAULT_RETRY;
+	}
+#endif
+
+	/*
+	 * Do a speculative lookup of the PTE entry.
+	 */
+	local_irq_disable();
+	pgd = pgd_offset(mm, address);
+	pgdval = READ_ONCE(*pgd);
+	if (pgd_none(pgdval) || unlikely(pgd_bad(pgdval)))
+		goto out_walk;
+
+	p4d = p4d_offset(pgd, address);
+	if (pgd_val(READ_ONCE(*pgd)) != pgd_val(pgdval))
+		goto out_walk;
+	p4dval = READ_ONCE(*p4d);
+	if (p4d_none(p4dval) || unlikely(p4d_bad(p4dval)))
+		goto out_walk;
+
+	vmf.pud = pud_offset(p4d, address);
+	if (p4d_val(READ_ONCE(*p4d)) != p4d_val(p4dval))
+		goto out_walk;
+	pudval = READ_ONCE(*vmf.pud);
+	if (pud_none(pudval) || unlikely(pud_bad(pudval)))
+		goto out_walk;
+
+	/* Huge pages at PUD level are not supported. */
+	if (unlikely(pud_trans_huge(pudval)))
+		goto out_walk;
+
+	vmf.pmd = pmd_offset(vmf.pud, address);
+	if (pud_val(READ_ONCE(*vmf.pud)) != pud_val(pudval))
+		goto out_walk;
+	vmf.orig_pmd = READ_ONCE(*vmf.pmd);
+	/*
+	 * pmd_none could mean that a hugepage collapse is in progress
+	 * in our back as collapse_huge_page() mark it before
+	 * invalidating the pte (which is done once the IPI is catched
+	 * by all CPU and we have interrupt disabled).
+	 * For this reason we cannot handle THP in a speculative way since we
+	 * can't safely indentify an in progress collapse operation done in our
+	 * back on that PMD.
+	 * Regarding the order of the following checks, see comment in
+	 * pmd_devmap_trans_unstable()
+	 */
+	if (unlikely(pmd_devmap(vmf.orig_pmd) ||
+		     pmd_none(vmf.orig_pmd) || pmd_trans_huge(vmf.orig_pmd) ||
+		     is_swap_pmd(vmf.orig_pmd)))
+		goto out_walk;
+
+	/*
+	 * The above does not allocate/instantiate page-tables because doing so
+	 * would lead to the possibility of instantiating page-tables after
+	 * free_pgtables() -- and consequently leaking them.
+	 *
+	 * The result is that we take at least one !speculative fault per PMD
+	 * in order to instantiate it.
+	 */
+
+	vmf.pte = pte_offset_map(vmf.pmd, address);
+	if (pmd_val(READ_ONCE(*vmf.pmd)) != pmd_val(vmf.orig_pmd)) {
+		pte_unmap(vmf.pte);
+		vmf.pte = NULL;
+		goto out_walk;
+	}
+	vmf.orig_pte = READ_ONCE(*vmf.pte);
+	barrier(); /* See comment in handle_pte_fault() */
+	if (pte_none(vmf.orig_pte)) {
+		pte_unmap(vmf.pte);
+		vmf.pte = NULL;
+	}
+
+	vmf.sequence = seq;
+	vmf.flags = flags;
+
+	local_irq_enable();
+
+	/*
+	 * We need to re-validate the VMA after checking the bounds, otherwise
+	 * we might have a false positive on the bounds.
+	 */
+	if (read_seqcount_retry(&vmf.vma->vm_sequence, seq)) {
+		trace_spf_vma_changed(_RET_IP_, vmf.vma, address);
+		return VM_FAULT_RETRY;
+	}
+
+	mem_cgroup_enter_user_fault();
+	lru_gen_enter_fault(vmf.vma);
+	ret = handle_pte_fault(&vmf);
+	lru_gen_exit_fault();
+	mem_cgroup_exit_user_fault();
+
+	if (ret != VM_FAULT_RETRY) {
+		if (vma_is_anonymous(vmf.vma))
+			count_vm_event(SPECULATIVE_PGFAULT_ANON);
+		else
+			count_vm_event(SPECULATIVE_PGFAULT_FILE);
+	}
+
+	/*
+	 * The task may have entered a memcg OOM situation but
+	 * if the allocation error was handled gracefully (no
+	 * VM_FAULT_OOM), there is no need to kill anything.
+	 * Just clean up the OOM state peacefully.
+	 */
+	if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM))
+		mem_cgroup_oom_synchronize(false);
+	return ret;
+
+out_walk:
+	trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+	local_irq_enable();
+	return VM_FAULT_RETRY;
+
+out_segv:
+	trace_spf_vma_access(_RET_IP_, vmf.vma, address);
+	return VM_FAULT_SIGSEGV;
+}
+
+vm_fault_t __handle_speculative_fault(struct mm_struct *mm,
+				unsigned long address, unsigned int flags,
+				struct vm_area_struct **vma,
+				struct pt_regs *regs)
+{
+	vm_fault_t ret;
+
+	check_sync_rss_stat(current);
+
+	*vma = get_vma(mm, address);
+	if (!*vma)
+		return VM_FAULT_RETRY;
+
+	ret = ___handle_speculative_fault(mm, address, flags, *vma);
+
+	/*
+	 * If there is no need to retry, don't return the vma to the caller.
+	 */
+	if (ret != VM_FAULT_RETRY) {
+		put_vma(*vma);
+		*vma = NULL;
+		mm_account_fault(regs, address, flags, ret);
+	}
+
+	return ret;
+}
+
+/*
+ * This is used to know if the vma fetch in the speculative page fault handler
+ * is still valid when trying the regular fault path while holding the
+ * mmap_sem.
+ * The call to put_vma(vma) must be made after checking the vma's fields, as
+ * the vma may be freed by put_vma(). In such a case it is expected that false
+ * is returned.
+ */
+bool can_reuse_spf_vma(struct vm_area_struct *vma, unsigned long address)
+{
+	bool ret;
+
+	ret = !RB_EMPTY_NODE(&vma->vm_rb) &&
+		vma->vm_start <= address && address < vma->vm_end;
+	put_vma(vma);
+	return ret;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
+#ifdef CONFIG_LRU_GEN
+static void lru_gen_enter_fault(struct vm_area_struct *vma)
+{
+	/* the LRU algorithm doesn't apply to sequential or random reads */
+	current->in_lru_fault = !(vma->vm_flags & (VM_SEQ_READ | VM_RAND_READ));
+}
+
+static void lru_gen_exit_fault(void)
+{
+	current->in_lru_fault = false;
+}
+#else
+static void lru_gen_enter_fault(struct vm_area_struct *vma)
+{
+}
+
+static void lru_gen_exit_fault(void)
+{
+}
+#endif /* CONFIG_LRU_GEN */
+
 /*
  * By the time we get here, we already hold the mm semaphore
  *
@@ -4696,11 +5289,15 @@
 	if (flags & FAULT_FLAG_USER)
 		mem_cgroup_enter_user_fault();
 
+	lru_gen_enter_fault(vma);
+
 	if (unlikely(is_vm_hugetlb_page(vma)))
 		ret = hugetlb_fault(vma->vm_mm, vma, address, flags);
 	else
 		ret = __handle_mm_fault(vma, address, flags);
 
+	lru_gen_exit_fault();
+
 	if (flags & FAULT_FLAG_USER) {
 		mem_cgroup_exit_user_fault();
 		/*
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 553b070..8da3b83 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -596,8 +596,7 @@
 	 * so we should map it first. This is better than introducing a special
 	 * case in page freeing fast path.
 	 */
-	if (debug_pagealloc_enabled_static())
-		kernel_map_pages(page, 1 << order, 1);
+	debug_pagealloc_map_pages(page, 1 << order);
 	__free_pages_core(page, order);
 	totalram_pages_add(1UL << order);
 #ifdef CONFIG_HIGHMEM
@@ -1131,6 +1130,46 @@
 }
 EXPORT_SYMBOL_GPL(add_memory);
 
+int add_memory_subsection(int nid, u64 start, u64 size)
+{
+	struct mhp_params params = { .pgprot = PAGE_KERNEL };
+	struct resource *res;
+	int ret;
+
+	if (size == memory_block_size_bytes())
+		return add_memory(nid, start, size, MHP_NONE);
+
+	if (!IS_ALIGNED(start, SUBSECTION_SIZE) ||
+	    !IS_ALIGNED(size, SUBSECTION_SIZE)) {
+		pr_err("%s: start 0x%llx size 0x%llx not aligned to subsection size\n",
+			   __func__, start, size);
+		return -EINVAL;
+	}
+
+	res = register_memory_resource(start, size, "System RAM");
+	if (IS_ERR(res))
+		return PTR_ERR(res);
+
+	mem_hotplug_begin();
+
+	nid = memory_add_physaddr_to_nid(start);
+
+	if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK))
+		memblock_add_node(start, size, nid);
+
+	ret = arch_add_memory(nid, start, size, &params);
+	if (ret) {
+		if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK))
+			memblock_remove(start, size);
+		pr_err("%s failed to add subsection start 0x%llx size 0x%llx\n",
+			   __func__, start, size);
+	}
+	mem_hotplug_done();
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(add_memory_subsection);
+
 /*
  * Add special, driver-managed memory to the system as system RAM. Such
  * memory is not exposed via the raw firmware-provided memmap as system
@@ -1498,15 +1537,18 @@
 	}
 	node = zone_to_nid(zone);
 
+	lru_cache_disable();
 	/* set above range as isolated */
 	ret = start_isolate_page_range(start_pfn, end_pfn,
 				       MIGRATE_MOVABLE,
-				       MEMORY_OFFLINE | REPORT_FAILURE);
+				       MEMORY_OFFLINE | REPORT_FAILURE, NULL);
 	if (ret) {
 		reason = "failure to isolate range";
-		goto failed_removal;
+		goto failed_removal_lru_cache_disabled;
 	}
 
+	drain_all_pages(zone);
+
 	arg.start_pfn = start_pfn;
 	arg.nr_pages = nr_pages;
 	node_states_check_changes_offline(nr_pages, zone, &arg);
@@ -1528,7 +1570,6 @@
 			}
 
 			cond_resched();
-			lru_add_drain_all();
 
 			ret = scan_movable_pages(pfn, end_pfn, &pfn);
 			if (!ret) {
@@ -1557,18 +1598,17 @@
 		}
 
 		/*
-		 * per-cpu pages are drained in start_isolate_page_range, but if
-		 * there are still pages that are not free, make sure that we
-		 * drain again, because when we isolated range we might
-		 * have raced with another thread that was adding pages to pcp
-		 * list.
+		 * per-cpu pages are drained after start_isolate_page_range, but
+		 * if there are still pages that are not free, make sure that we
+		 * drain again, because when we isolated range we might have
+		 * raced with another thread that was adding pages to pcp list.
 		 *
 		 * Forward progress should be still guaranteed because
 		 * pages on the pcp list can only belong to MOVABLE_ZONE
 		 * because has_unmovable_pages explicitly checks for
 		 * PageBuddy on freed pages on other zones.
 		 */
-		ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE);
+		ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE, NULL);
 		if (ret)
 			drain_all_pages(zone);
 	} while (ret);
@@ -1586,6 +1626,7 @@
 	zone->nr_isolate_pageblock -= nr_pages / pageblock_nr_pages;
 	spin_unlock_irqrestore(&zone->lock, flags);
 
+	lru_cache_enable();
 	/* removal success */
 	adjust_managed_page_count(pfn_to_page(start_pfn), -nr_pages);
 	zone->present_pages -= nr_pages;
@@ -1618,6 +1659,8 @@
 failed_removal_isolated:
 	undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);
 	memory_notify(MEM_CANCEL_OFFLINE, &arg);
+failed_removal_lru_cache_disabled:
+	lru_cache_enable();
 failed_removal:
 	pr_debug("memory offlining [mem %#010llx-%#010llx] failed due to %s\n",
 		 (unsigned long long) start_pfn << PAGE_SHIFT,
@@ -1794,6 +1837,32 @@
 }
 EXPORT_SYMBOL_GPL(remove_memory);
 
+int remove_memory_subsection(int nid, u64 start, u64 size)
+{
+	if (size ==  memory_block_size_bytes())
+		return remove_memory(nid, start, size);
+
+	if (!IS_ALIGNED(start, SUBSECTION_SIZE) ||
+	    !IS_ALIGNED(size, SUBSECTION_SIZE)) {
+		pr_err("%s: start 0x%llx size 0x%llx not aligned to subsection size\n",
+			   __func__, start, size);
+		return -EINVAL;
+	}
+
+	mem_hotplug_begin();
+	arch_remove_memory(nid, start, size, NULL);
+
+	if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK))
+		memblock_remove(start, size);
+
+	release_mem_region_adjustable(start, size);
+
+	mem_hotplug_done();
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(remove_memory_subsection);
+
 static int try_offline_memory_block(struct memory_block *mem, void *arg)
 {
 	uint8_t online_type = MMOP_ONLINE_KERNEL;
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 6c98585..cdff91a 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -406,8 +406,11 @@
 	struct vm_area_struct *vma;
 
 	mmap_write_lock(mm);
-	for (vma = mm->mmap; vma; vma = vma->vm_next)
+	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+		vm_write_begin(vma);
 		mpol_rebind_policy(vma->vm_policy, new);
+		vm_write_end(vma);
+	}
 	mmap_write_unlock(mm);
 }
 
@@ -783,6 +786,7 @@
 	if (IS_ERR(new))
 		return PTR_ERR(new);
 
+	vm_write_begin(vma);
 	if (vma->vm_ops && vma->vm_ops->set_policy) {
 		err = vma->vm_ops->set_policy(vma, new);
 		if (err)
@@ -790,11 +794,17 @@
 	}
 
 	old = vma->vm_policy;
-	vma->vm_policy = new; /* protected by mmap_lock */
+	/*
+	 * The speculative page fault handler accesses this field without
+	 * hodling the mmap_sem.
+	 */
+	WRITE_ONCE(vma->vm_policy,  new);
+	vm_write_end(vma);
 	mpol_put(old);
 
 	return 0;
  err_out:
+	vm_write_end(vma);
 	mpol_put(new);
 	return err;
 }
@@ -828,7 +838,8 @@
 			((vmstart - vma->vm_start) >> PAGE_SHIFT);
 		prev = vma_merge(mm, prev, vmstart, vmend, vma->vm_flags,
 				 vma->anon_vma, vma->vm_file, pgoff,
-				 new_pol, vma->vm_userfaultfd_ctx);
+				 new_pol, vma->vm_userfaultfd_ctx,
+				 anon_vma_name(vma));
 		if (prev) {
 			vma = prev;
 			goto replace;
@@ -1106,12 +1117,10 @@
 		     const nodemask_t *to, int flags)
 {
 	int busy = 0;
-	int err;
+	int err = 0;
 	nodemask_t tmp;
 
-	err = migrate_prep();
-	if (err)
-		return err;
+	lru_cache_disable();
 
 	mmap_read_lock(mm);
 
@@ -1195,6 +1204,8 @@
 			break;
 	}
 	mmap_read_unlock(mm);
+
+	lru_cache_enable();
 	if (err < 0)
 		return err;
 	return busy;
@@ -1310,9 +1321,7 @@
 
 	if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) {
 
-		err = migrate_prep();
-		if (err)
-			goto mpol_out;
+		lru_cache_disable();
 	}
 	{
 		NODEMASK_SCRATCH(scratch);
@@ -1360,6 +1369,8 @@
 	mmap_write_unlock(mm);
 mpol_out:
 	mpol_put(new);
+	if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
+		lru_cache_enable();
 	return err;
 }
 
@@ -1774,23 +1785,28 @@
 struct mempolicy *__get_vma_policy(struct vm_area_struct *vma,
 						unsigned long addr)
 {
-	struct mempolicy *pol = NULL;
+	struct mempolicy *pol;
 
-	if (vma) {
-		if (vma->vm_ops && vma->vm_ops->get_policy) {
-			pol = vma->vm_ops->get_policy(vma, addr);
-		} else if (vma->vm_policy) {
-			pol = vma->vm_policy;
+	if (!vma)
+		return NULL;
 
-			/*
-			 * shmem_alloc_page() passes MPOL_F_SHARED policy with
-			 * a pseudo vma whose vma->vm_ops=NULL. Take a reference
-			 * count on these policies which will be dropped by
-			 * mpol_cond_put() later
-			 */
-			if (mpol_needs_cond_ref(pol))
-				mpol_get(pol);
-		}
+	if (vma->vm_ops && vma->vm_ops->get_policy)
+		return vma->vm_ops->get_policy(vma, addr);
+
+	/*
+	 * This could be called without holding the mmap_sem in the
+	 * speculative page fault handler's path.
+	 */
+	pol = READ_ONCE(vma->vm_policy);
+	if (pol) {
+		/*
+		 * shmem_alloc_page() passes MPOL_F_SHARED policy with
+		 * a pseudo vma whose vma->vm_ops=NULL. Take a reference
+		 * count on these policies which will be dropped by
+		 * mpol_cond_put() later
+		 */
+		if (mpol_needs_cond_ref(pol))
+			mpol_get(pol);
 	}
 
 	return pol;
diff --git a/mm/mempool.c b/mm/mempool.c
index f473cdd..a69bc08 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -104,17 +104,19 @@
 static __always_inline void kasan_poison_element(mempool_t *pool, void *element)
 {
 	if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
-		kasan_poison_kfree(element, _RET_IP_);
+		kasan_slab_free_mempool(element);
 	else if (pool->alloc == mempool_alloc_pages)
-		kasan_free_pages(element, (unsigned long)pool->pool_data);
+		kasan_poison_pages(element, (unsigned long)pool->pool_data,
+				   false);
 }
 
 static void kasan_unpoison_element(mempool_t *pool, void *element)
 {
 	if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
-		kasan_unpoison_slab(element);
+		kasan_unpoison_range(element, __ksize(element));
 	else if (pool->alloc == mempool_alloc_pages)
-		kasan_alloc_pages(element, (unsigned long)pool->pool_data);
+		kasan_unpoison_pages(element, (unsigned long)pool->pool_data,
+				     false);
 }
 
 static __always_inline void add_element(mempool_t *pool, void *element)
diff --git a/mm/migrate.c b/mm/migrate.c
index fcb7eb6..4c111067 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -57,32 +57,6 @@
 
 #include "internal.h"
 
-/*
- * migrate_prep() needs to be called before we start compiling a list of pages
- * to be migrated using isolate_lru_page(). If scheduling work on other CPUs is
- * undesirable, use migrate_prep_local()
- */
-int migrate_prep(void)
-{
-	/*
-	 * Clear the LRU lists so pages can be isolated.
-	 * Note that pages may be moved off the LRU after we have
-	 * drained them. Those pages will fail to migrate like other
-	 * pages that may be busy.
-	 */
-	lru_add_drain_all();
-
-	return 0;
-}
-
-/* Do the necessary work of migrate_prep but not if it involves other CPUs */
-int migrate_prep_local(void)
-{
-	lru_add_drain();
-
-	return 0;
-}
-
 int isolate_movable_page(struct page *page, isolate_mode_t mode)
 {
 	struct address_space *mapping;
@@ -131,7 +105,7 @@
 
 	/* Driver shouldn't use PG_isolated bit of page->flags */
 	WARN_ON_ONCE(PageIsolated(page));
-	__SetPageIsolated(page);
+	SetPageIsolated(page);
 	unlock_page(page);
 
 	return 0;
@@ -155,7 +129,7 @@
 
 	mapping = page_mapping(page);
 	mapping->a_ops->putback_page(page);
-	__ClearPageIsolated(page);
+	ClearPageIsolated(page);
 }
 
 /*
@@ -188,7 +162,7 @@
 			if (PageMovable(page))
 				putback_movable_page(page);
 			else
-				__ClearPageIsolated(page);
+				ClearPageIsolated(page);
 			unlock_page(page);
 			put_page(page);
 		} else {
@@ -198,6 +172,7 @@
 		}
 	}
 }
+EXPORT_SYMBOL_GPL(putback_movable_pages);
 
 /*
  * Restore a potential migration pte to a working pte entry
@@ -242,7 +217,7 @@
 		 */
 		entry = pte_to_swp_entry(*pvmw.pte);
 		if (is_write_migration_entry(entry))
-			pte = maybe_mkwrite(pte, vma);
+			pte = maybe_mkwrite(pte, vma->vm_flags);
 		else if (pte_swp_uffd_wp(*pvmw.pte))
 			pte = pte_mkuffd_wp(pte);
 
@@ -977,7 +952,7 @@
 		VM_BUG_ON_PAGE(!PageIsolated(page), page);
 		if (!PageMovable(page)) {
 			rc = MIGRATEPAGE_SUCCESS;
-			__ClearPageIsolated(page);
+			ClearPageIsolated(page);
 			goto out;
 		}
 
@@ -999,7 +974,7 @@
 			 * We clear PG_movable under page_lock so any compactor
 			 * cannot try to migrate this page.
 			 */
-			__ClearPageIsolated(page);
+			ClearPageIsolated(page);
 		}
 
 		/*
@@ -1188,7 +1163,7 @@
 		if (unlikely(__PageMovable(page))) {
 			lock_page(page);
 			if (!PageMovable(page))
-				__ClearPageIsolated(page);
+				ClearPageIsolated(page);
 			unlock_page(page);
 		}
 		goto out;
@@ -1243,7 +1218,7 @@
 			if (PageMovable(page))
 				putback_movable_page(page);
 			else
-				__ClearPageIsolated(page);
+				ClearPageIsolated(page);
 			unlock_page(page);
 			put_page(page);
 		}
@@ -1434,6 +1409,8 @@
 	int swapwrite = current->flags & PF_SWAPWRITE;
 	int rc, nr_subpages;
 
+	trace_mm_migrate_pages_start(mode, reason);
+
 	if (!swapwrite)
 		current->flags |= PF_SWAPWRITE;
 
@@ -1539,6 +1516,7 @@
 
 	return rc;
 }
+EXPORT_SYMBOL_GPL(migrate_pages);
 
 struct page *alloc_migration_target(struct page *page, unsigned long private)
 {
@@ -1728,7 +1706,7 @@
 	int start, i;
 	int err = 0, err1;
 
-	migrate_prep();
+	lru_cache_disable();
 
 	for (i = start = 0; i < nr_pages; i++) {
 		const void __user *p;
@@ -1797,6 +1775,7 @@
 	if (err >= 0)
 		err = err1;
 out:
+	lru_cache_enable();
 	return err;
 }
 
@@ -2074,7 +2053,7 @@
  * node. Caller is expected to have an elevated reference count on
  * the page that will be dropped by this function before returning.
  */
-int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma,
+int migrate_misplaced_page(struct page *page, struct vm_fault *vmf,
 			   int node)
 {
 	pg_data_t *pgdat = NODE_DATA(node);
@@ -2087,7 +2066,7 @@
 	 * with execute permissions as they are probably shared libraries.
 	 */
 	if (page_mapcount(page) != 1 && page_is_file_lru(page) &&
-	    (vma->vm_flags & VM_EXEC))
+	    (vmf->vma_flags & VM_EXEC))
 		goto out;
 
 	/*
diff --git a/mm/mlock.c b/mm/mlock.c
index 884b121..49fe3d9 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -17,6 +17,7 @@
 #include <linux/mempolicy.h>
 #include <linux/syscalls.h>
 #include <linux/sched.h>
+#include <linux/page_pinner.h>
 #include <linux/export.h>
 #include <linux/rmap.h>
 #include <linux/mmzone.h>
@@ -118,7 +119,7 @@
 		if (getpage)
 			get_page(page);
 		ClearPageLRU(page);
-		del_page_from_lru_list(page, lruvec, page_lru(page));
+		del_page_from_lru_list(page, lruvec);
 		return true;
 	}
 
@@ -450,7 +451,9 @@
 void munlock_vma_pages_range(struct vm_area_struct *vma,
 			     unsigned long start, unsigned long end)
 {
-	vma->vm_flags &= VM_LOCKED_CLEAR_MASK;
+	vm_write_begin(vma);
+	WRITE_ONCE(vma->vm_flags, vma->vm_flags & VM_LOCKED_CLEAR_MASK);
+	vm_write_end(vma);
 
 	while (start < end) {
 		struct page *page;
@@ -468,7 +471,6 @@
 		 * has sneaked into the range, we won't oops here: great).
 		 */
 		page = follow_page(vma, start, FOLL_GET | FOLL_DUMP);
-
 		if (page && !IS_ERR(page)) {
 			if (PageTransTail(page)) {
 				VM_BUG_ON_PAGE(PageMlocked(page), page);
@@ -540,7 +542,7 @@
 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
 	*prev = vma_merge(mm, *prev, start, end, newflags, vma->anon_vma,
 			  vma->vm_file, pgoff, vma_policy(vma),
-			  vma->vm_userfaultfd_ctx);
+			  vma->vm_userfaultfd_ctx, anon_vma_name(vma));
 	if (*prev) {
 		vma = *prev;
 		goto success;
@@ -574,10 +576,11 @@
 	 * It's okay if try_to_unmap_one unmaps a page just after we
 	 * set VM_LOCKED, populate_vma_page_range will bring it back.
 	 */
-
-	if (lock)
-		vma->vm_flags = newflags;
-	else
+	if (lock) {
+		vm_write_begin(vma);
+		WRITE_ONCE(vma->vm_flags, newflags);
+		vm_write_end(vma);
+	} else
 		munlock_vma_pages_range(vma, start, end);
 
 out:
diff --git a/mm/mm_init.c b/mm/mm_init.c
index b06a30f..9351e8a 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -19,10 +19,6 @@
 #ifdef CONFIG_DEBUG_MEMORY_INIT
 int __meminitdata mminit_loglevel;
 
-#ifndef SECTIONS_SHIFT
-#define SECTIONS_SHIFT	0
-#endif
-
 /* The zonelists are simply reported, validation is manual. */
 void __init mminit_verify_zonelist(void)
 {
@@ -69,14 +65,16 @@
 
 	shift = 8 * sizeof(unsigned long);
 	width = shift - SECTIONS_WIDTH - NODES_WIDTH - ZONES_WIDTH
-		- LAST_CPUPID_SHIFT - KASAN_TAG_WIDTH;
+		- LAST_CPUPID_SHIFT - KASAN_TAG_WIDTH - LRU_GEN_WIDTH - LRU_REFS_WIDTH;
 	mminit_dprintk(MMINIT_TRACE, "pageflags_layout_widths",
-		"Section %d Node %d Zone %d Lastcpupid %d Kasantag %d Flags %d\n",
+		"Section %d Node %d Zone %d Lastcpupid %d Kasantag %d Gen %d Tier %d Flags %d\n",
 		SECTIONS_WIDTH,
 		NODES_WIDTH,
 		ZONES_WIDTH,
 		LAST_CPUPID_WIDTH,
 		KASAN_TAG_WIDTH,
+		LRU_GEN_WIDTH,
+		LRU_REFS_WIDTH,
 		NR_PAGEFLAGS);
 	mminit_dprintk(MMINIT_TRACE, "pageflags_layout_shifts",
 		"Section %d Node %d Zone %d Lastcpupid %d Kasantag %d\n",
diff --git a/mm/mmap.c b/mm/mmap.c
index 33ebda8..1e5e81e 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -13,6 +13,7 @@
 #include <linux/slab.h>
 #include <linux/backing-dev.h>
 #include <linux/mm.h>
+#include <linux/mm_inline.h>
 #include <linux/vmacache.h>
 #include <linux/shm.h>
 #include <linux/mman.h>
@@ -55,7 +56,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/mmap.h>
-
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
 #include "internal.h"
 
 #ifndef arch_mmap_check
@@ -168,6 +170,27 @@
 	}
 }
 
+static void __free_vma(struct vm_area_struct *vma)
+{
+	if (vma->vm_file)
+		fput(vma->vm_file);
+	mpol_put(vma_policy(vma));
+	vm_area_free(vma);
+}
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+void put_vma(struct vm_area_struct *vma)
+{
+	if (atomic_dec_and_test(&vma->vm_ref_count))
+		__free_vma(vma);
+}
+#else
+static inline void put_vma(struct vm_area_struct *vma)
+{
+	__free_vma(vma);
+}
+#endif
+
 /*
  * Close a vm structure and free it, returning the next.
  */
@@ -178,10 +201,7 @@
 	might_sleep();
 	if (vma->vm_ops && vma->vm_ops->close)
 		vma->vm_ops->close(vma);
-	if (vma->vm_file)
-		fput(vma->vm_file);
-	mpol_put(vma_policy(vma));
-	vm_area_free(vma);
+	put_vma(vma);
 	return next;
 }
 
@@ -434,6 +454,13 @@
 RB_DECLARE_CALLBACKS_MAX(static, vma_gap_callbacks,
 			 struct vm_area_struct, vm_rb,
 			 unsigned long, rb_subtree_gap, vma_compute_gap)
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+#define mm_rb_write_lock(mm)	write_lock(&(mm)->mm_rb_lock)
+#define mm_rb_write_unlock(mm)	write_unlock(&(mm)->mm_rb_lock)
+#else
+#define mm_rb_write_lock(mm)	do { } while (0)
+#define mm_rb_write_unlock(mm)	do { } while (0)
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
 
 /*
  * Update augmented rbtree rb_subtree_gap values after vma->vm_start or
@@ -450,26 +477,37 @@
 }
 
 static inline void vma_rb_insert(struct vm_area_struct *vma,
-				 struct rb_root *root)
+				 struct mm_struct *mm)
 {
+	struct rb_root *root = &mm->mm_rb;
+
 	/* All rb_subtree_gap values must be consistent prior to insertion */
 	validate_mm_rb(root, NULL);
 
 	rb_insert_augmented(&vma->vm_rb, root, &vma_gap_callbacks);
 }
 
-static void __vma_rb_erase(struct vm_area_struct *vma, struct rb_root *root)
+static void __vma_rb_erase(struct vm_area_struct *vma, struct mm_struct *mm)
 {
+	struct rb_root *root = &mm->mm_rb;
 	/*
 	 * Note rb_erase_augmented is a fairly large inline function,
 	 * so make sure we instantiate it only once with our desired
 	 * augmented rbtree callbacks.
 	 */
+	mm_rb_write_lock(mm);
 	rb_erase_augmented(&vma->vm_rb, root, &vma_gap_callbacks);
+	mm_rb_write_unlock(mm); /* wmb */
+
+	/*
+	 * Ensure the removal is complete before clearing the node.
+	 * Matched by vma_has_changed()/handle_speculative_fault().
+	 */
+	RB_CLEAR_NODE(&vma->vm_rb);
 }
 
 static __always_inline void vma_rb_erase_ignore(struct vm_area_struct *vma,
-						struct rb_root *root,
+						struct mm_struct *mm,
 						struct vm_area_struct *ignore)
 {
 	/*
@@ -481,15 +519,15 @@
 	 * b. the vma being erased in detach_vmas_to_be_unmapped() ->
 	 *    vma_rb_erase()
 	 */
-	validate_mm_rb(root, ignore);
+	validate_mm_rb(&mm->mm_rb, ignore);
 
-	__vma_rb_erase(vma, root);
+	__vma_rb_erase(vma, mm);
 }
 
 static __always_inline void vma_rb_erase(struct vm_area_struct *vma,
-					 struct rb_root *root)
+					 struct mm_struct *mm)
 {
-	vma_rb_erase_ignore(vma, root, vma);
+	vma_rb_erase_ignore(vma, mm, vma);
 }
 
 /*
@@ -648,10 +686,12 @@
 	 * immediately update the gap to the correct value. Finally we
 	 * rebalance the rbtree after all augmented values have been set.
 	 */
+	mm_rb_write_lock(mm);
 	rb_link_node(&vma->vm_rb, rb_parent, rb_link);
 	vma->rb_subtree_gap = 0;
 	vma_gap_update(vma);
-	vma_rb_insert(vma, &mm->mm_rb);
+	vma_rb_insert(vma, mm);
+	mm_rb_write_unlock(mm);
 }
 
 static void __vma_link_file(struct vm_area_struct *vma)
@@ -723,7 +763,7 @@
 						struct vm_area_struct *vma,
 						struct vm_area_struct *ignore)
 {
-	vma_rb_erase_ignore(vma, &mm->mm_rb, ignore);
+	vma_rb_erase_ignore(vma, mm, ignore);
 	__vma_unlink_list(mm, vma);
 	/* Kill the cache */
 	vmacache_invalidate(mm);
@@ -738,7 +778,7 @@
  */
 int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
 	unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert,
-	struct vm_area_struct *expand)
+	struct vm_area_struct *expand, bool keep_locked)
 {
 	struct mm_struct *mm = vma->vm_mm;
 	struct vm_area_struct *next = vma->vm_next, *orig_vma = vma;
@@ -750,6 +790,10 @@
 	long adjust_next = 0;
 	int remove_next = 0;
 
+	vm_write_begin(vma);
+	if (next)
+		vm_write_begin(next);
+
 	if (next && !insert) {
 		struct vm_area_struct *exporter = NULL, *importer = NULL;
 
@@ -828,8 +872,12 @@
 
 			importer->anon_vma = exporter->anon_vma;
 			error = anon_vma_clone(importer, exporter);
-			if (error)
+			if (error) {
+				if (next && next != vma)
+					vm_write_end(next);
+				vm_write_end(vma);
 				return error;
+			}
 		}
 	}
 again:
@@ -875,17 +923,19 @@
 	}
 
 	if (start != vma->vm_start) {
-		vma->vm_start = start;
+		WRITE_ONCE(vma->vm_start, start);
 		start_changed = true;
 	}
 	if (end != vma->vm_end) {
-		vma->vm_end = end;
+		WRITE_ONCE(vma->vm_end, end);
 		end_changed = true;
 	}
-	vma->vm_pgoff = pgoff;
+	WRITE_ONCE(vma->vm_pgoff, pgoff);
 	if (adjust_next) {
-		next->vm_start += adjust_next;
-		next->vm_pgoff += adjust_next >> PAGE_SHIFT;
+		WRITE_ONCE(next->vm_start,
+			   next->vm_start + adjust_next);
+		WRITE_ONCE(next->vm_pgoff,
+			next->vm_pgoff + (adjust_next >> PAGE_SHIFT));
 	}
 
 	if (file) {
@@ -949,15 +999,13 @@
 	}
 
 	if (remove_next) {
-		if (file) {
+		if (file)
 			uprobe_munmap(next, next->vm_start, next->vm_end);
-			fput(file);
-		}
 		if (next->anon_vma)
 			anon_vma_merge(vma, next);
 		mm->map_count--;
-		mpol_put(vma_policy(next));
-		vm_area_free(next);
+		vm_write_end(next);
+		put_vma(next);
 		/*
 		 * In mprotect's case 6 (see comments on vma_merge),
 		 * we must remove another next too. It would clutter
@@ -971,6 +1019,8 @@
 			 * "vma->vm_next" gap must be updated.
 			 */
 			next = vma->vm_next;
+			if (next)
+				vm_write_begin(next);
 		} else {
 			/*
 			 * For the scope of the comment "next" and
@@ -1017,6 +1067,11 @@
 	if (insert && file)
 		uprobe_mmap(insert);
 
+	if (next && next != vma)
+		vm_write_end(next);
+	if (!keep_locked)
+		vm_write_end(vma);
+
 	validate_mm(mm);
 
 	return 0;
@@ -1028,7 +1083,8 @@
  */
 static inline int is_mergeable_vma(struct vm_area_struct *vma,
 				struct file *file, unsigned long vm_flags,
-				struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+				struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+				struct anon_vma_name *anon_name)
 {
 	/*
 	 * VM_SOFTDIRTY should not prevent from VMA merging, if we
@@ -1046,6 +1102,8 @@
 		return 0;
 	if (!is_mergeable_vm_userfaultfd_ctx(vma, vm_userfaultfd_ctx))
 		return 0;
+	if (!anon_vma_name_eq(anon_vma_name(vma), anon_name))
+		return 0;
 	return 1;
 }
 
@@ -1078,9 +1136,10 @@
 can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags,
 		     struct anon_vma *anon_vma, struct file *file,
 		     pgoff_t vm_pgoff,
-		     struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+		     struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+		     struct anon_vma_name *anon_name)
 {
-	if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) &&
+	if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx, anon_name) &&
 	    is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
 		if (vma->vm_pgoff == vm_pgoff)
 			return 1;
@@ -1099,9 +1158,10 @@
 can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
 		    struct anon_vma *anon_vma, struct file *file,
 		    pgoff_t vm_pgoff,
-		    struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+		    struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+		    struct anon_vma_name *anon_name)
 {
-	if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) &&
+	if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx, anon_name) &&
 	    is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
 		pgoff_t vm_pglen;
 		vm_pglen = vma_pages(vma);
@@ -1112,9 +1172,9 @@
 }
 
 /*
- * Given a mapping request (addr,end,vm_flags,file,pgoff), figure out
- * whether that can be merged with its predecessor or its successor.
- * Or both (it neatly fills a hole).
+ * Given a mapping request (addr,end,vm_flags,file,pgoff,anon_name),
+ * figure out whether that can be merged with its predecessor or its
+ * successor.  Or both (it neatly fills a hole).
  *
  * In most cases - when called for mmap, brk or mremap - [addr,end) is
  * certain not to be mapped by the time vma_merge is called; but when
@@ -1154,12 +1214,13 @@
  * parameter) may establish ptes with the wrong permissions of NNNN
  * instead of the right permissions of XXXX.
  */
-struct vm_area_struct *vma_merge(struct mm_struct *mm,
+struct vm_area_struct *__vma_merge(struct mm_struct *mm,
 			struct vm_area_struct *prev, unsigned long addr,
 			unsigned long end, unsigned long vm_flags,
 			struct anon_vma *anon_vma, struct file *file,
 			pgoff_t pgoff, struct mempolicy *policy,
-			struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+			struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+			struct anon_vma_name *anon_name, bool keep_locked)
 {
 	pgoff_t pglen = (end - addr) >> PAGE_SHIFT;
 	struct vm_area_struct *area, *next;
@@ -1189,7 +1250,7 @@
 			mpol_equal(vma_policy(prev), policy) &&
 			can_vma_merge_after(prev, vm_flags,
 					    anon_vma, file, pgoff,
-					    vm_userfaultfd_ctx)) {
+					    vm_userfaultfd_ctx, anon_name)) {
 		/*
 		 * OK, it can.  Can we now merge in the successor as well?
 		 */
@@ -1198,16 +1259,17 @@
 				can_vma_merge_before(next, vm_flags,
 						     anon_vma, file,
 						     pgoff+pglen,
-						     vm_userfaultfd_ctx) &&
+						     vm_userfaultfd_ctx, anon_name) &&
 				is_mergeable_anon_vma(prev->anon_vma,
 						      next->anon_vma, NULL)) {
 							/* cases 1, 6 */
 			err = __vma_adjust(prev, prev->vm_start,
 					 next->vm_end, prev->vm_pgoff, NULL,
-					 prev);
+					 prev, keep_locked);
 		} else					/* cases 2, 5, 7 */
 			err = __vma_adjust(prev, prev->vm_start,
-					 end, prev->vm_pgoff, NULL, prev);
+					   end, prev->vm_pgoff, NULL, prev,
+					   keep_locked);
 		if (err)
 			return NULL;
 		khugepaged_enter_vma_merge(prev, vm_flags);
@@ -1221,13 +1283,15 @@
 			mpol_equal(policy, vma_policy(next)) &&
 			can_vma_merge_before(next, vm_flags,
 					     anon_vma, file, pgoff+pglen,
-					     vm_userfaultfd_ctx)) {
+					     vm_userfaultfd_ctx, anon_name)) {
 		if (prev && addr < prev->vm_end)	/* case 4 */
 			err = __vma_adjust(prev, prev->vm_start,
-					 addr, prev->vm_pgoff, NULL, next);
+					 addr, prev->vm_pgoff, NULL, next,
+					 keep_locked);
 		else {					/* cases 3, 8 */
 			err = __vma_adjust(area, addr, next->vm_end,
-					 next->vm_pgoff - pglen, NULL, next);
+					 next->vm_pgoff - pglen, NULL, next,
+					 keep_locked);
 			/*
 			 * In case 3 area is already equal to next and
 			 * this is a noop, but in case 8 "area" has
@@ -1769,7 +1833,7 @@
 	 * Can we just expand an old mapping?
 	 */
 	vma = vma_merge(mm, prev, addr, addr + len, vm_flags,
-			NULL, file, pgoff, NULL, NULL_VM_UFFD_CTX);
+			NULL, file, pgoff, NULL, NULL_VM_UFFD_CTX, NULL);
 	if (vma)
 		goto out;
 
@@ -1828,7 +1892,7 @@
 		 */
 		if (unlikely(vm_flags != vma->vm_flags && prev)) {
 			merge = vma_merge(mm, prev, vma->vm_start, vma->vm_end, vma->vm_flags,
-				NULL, vma->vm_file, vma->vm_pgoff, NULL, NULL_VM_UFFD_CTX);
+				NULL, vma->vm_file, vma->vm_pgoff, NULL, NULL_VM_UFFD_CTX, NULL);
 			if (merge) {
 				/* ->mmap() can change vma->vm_file and fput the original file. So
 				 * fput the vma->vm_file here or we would add an extra fput for file
@@ -1874,12 +1938,14 @@
 out:
 	perf_event_mmap(vma);
 
+	vm_write_begin(vma);
 	vm_stat_account(mm, vm_flags, len >> PAGE_SHIFT);
 	if (vm_flags & VM_LOCKED) {
 		if ((vm_flags & VM_SPECIAL) || vma_is_dax(vma) ||
 					is_vm_hugetlb_page(vma) ||
 					vma == get_gate_vma(current->mm))
-			vma->vm_flags &= VM_LOCKED_CLEAR_MASK;
+			WRITE_ONCE(vma->vm_flags,
+				   vma->vm_flags & VM_LOCKED_CLEAR_MASK);
 		else
 			mm->locked_vm += (len >> PAGE_SHIFT);
 	}
@@ -1894,9 +1960,10 @@
 	 * then new mapped in-place (which must be aimed as
 	 * a completely new data area).
 	 */
-	vma->vm_flags |= VM_SOFTDIRTY;
+	WRITE_ONCE(vma->vm_flags, vma->vm_flags | VM_SOFTDIRTY);
 
 	vma_set_page_prot(vma);
+	vm_write_end(vma);
 
 	return addr;
 
@@ -2030,12 +2097,17 @@
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma;
 	unsigned long length, low_limit, high_limit, gap_start, gap_end;
+	unsigned long addr = 0;
 
 	/* Adjust search length to account for worst case alignment overhead */
 	length = info->length + info->align_mask;
 	if (length < info->length)
 		return -ENOMEM;
 
+	trace_android_vh_get_from_fragment_pool(mm, info, &addr);
+	if (addr)
+		return addr;
+
 	/*
 	 * Adjust search limits by the desired length.
 	 * See implementation comment at top of unmapped_area().
@@ -2145,6 +2217,7 @@
 	trace_vm_unmapped_area(addr, info);
 	return addr;
 }
+EXPORT_SYMBOL_GPL(vm_unmapped_area);
 
 /* Get an address range which is currently unmapped.
  * For shmat() with addr=0.
@@ -2230,6 +2303,7 @@
 	info.high_limit = arch_get_mmap_base(addr, mm->mmap_base);
 	info.align_mask = 0;
 	info.align_offset = 0;
+	trace_android_vh_exclude_reserved_zone(mm, &info);
 	addr = vm_unmapped_area(&info);
 
 	/*
@@ -2246,6 +2320,8 @@
 		addr = vm_unmapped_area(&info);
 	}
 
+	trace_android_vh_include_reserved_zone(mm, &info, &addr);
+
 	return addr;
 }
 #endif
@@ -2295,15 +2371,11 @@
 EXPORT_SYMBOL(get_unmapped_area);
 
 /* Look up the first VMA which satisfies  addr < vm_end,  NULL if none. */
-struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
+static struct vm_area_struct *__find_vma(struct mm_struct *mm,
+					 unsigned long addr)
 {
 	struct rb_node *rb_node;
-	struct vm_area_struct *vma;
-
-	/* Check the cache first. */
-	vma = vmacache_find(mm, addr);
-	if (likely(vma))
-		return vma;
+	struct vm_area_struct *vma = NULL;
 
 	rb_node = mm->mm_rb.rb_node;
 
@@ -2321,13 +2393,54 @@
 			rb_node = rb_node->rb_right;
 	}
 
+	return vma;
+}
+
+struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
+{
+	struct vm_area_struct *vma;
+
+	/* Check the cache first. */
+	vma = vmacache_find(mm, addr);
+	if (likely(vma))
+		return vma;
+
+	vma = __find_vma(mm, addr);
 	if (vma)
 		vmacache_update(addr, vma);
 	return vma;
 }
-
 EXPORT_SYMBOL(find_vma);
 
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+struct vm_area_struct *get_vma(struct mm_struct *mm, unsigned long addr)
+{
+	struct vm_area_struct *vma = NULL;
+
+	read_lock(&mm->mm_rb_lock);
+	vma = __find_vma(mm, addr);
+
+	/*
+	 * If there is a concurrent fast mremap, bail out since the entire
+	 * PMD/PUD subtree may have been remapped.
+	 *
+	 * This is usually safe for conventional mremap since it takes the
+	 * PTE locks as does SPF. However fast mremap only takes the lock
+	 * at the PMD/PUD level which is ok as it is done with the mmap
+	 * write lock held. But since SPF, as the term implies forgoes,
+	 * taking the mmap read lock and also cannot take PTL lock at the
+	 * larger PMD/PUD granualrity, since it would introduce huge
+	 * contention in the page fault path; fall back to regular fault
+	 * handling.
+	 */
+	if (vma && !atomic_inc_unless_negative(&vma->vm_ref_count))
+		vma = NULL;
+	read_unlock(&mm->mm_rb_lock);
+
+	return vma;
+}
+#endif
+
 /*
  * Same as find_vma, but also return a pointer to the previous VMA in *pprev.
  */
@@ -2547,8 +2660,8 @@
 					mm->locked_vm += grow;
 				vm_stat_account(mm, vma->vm_flags, grow);
 				anon_vma_interval_tree_pre_update_vma(vma);
-				vma->vm_start = address;
-				vma->vm_pgoff -= grow;
+				WRITE_ONCE(vma->vm_start, address);
+				WRITE_ONCE(vma->vm_pgoff, vma->vm_pgoff - grow);
 				anon_vma_interval_tree_post_update_vma(vma);
 				vma_gap_update(vma);
 				spin_unlock(&mm->page_table_lock);
@@ -2708,7 +2821,7 @@
 	insertion_point = (prev ? &prev->vm_next : &mm->mmap);
 	vma->vm_prev = NULL;
 	do {
-		vma_rb_erase(vma, &mm->mm_rb);
+		vma_rb_erase(vma, mm);
 		mm->map_count--;
 		tail_vma = vma;
 		vma = vma->vm_next;
@@ -3115,7 +3228,7 @@
 
 	/* Can we just expand an old private anonymous mapping? */
 	vma = vma_merge(mm, prev, addr, addr + len, flags,
-			NULL, NULL, pgoff, NULL, NULL_VM_UFFD_CTX);
+			NULL, NULL, pgoff, NULL, NULL_VM_UFFD_CTX, NULL);
 	if (vma)
 		goto out;
 
@@ -3208,10 +3321,9 @@
 		(void)__oom_reap_task_mm(mm);
 
 		set_bit(MMF_OOM_SKIP, &mm->flags);
-		mmap_write_lock(mm);
-		mmap_write_unlock(mm);
 	}
 
+	mmap_write_lock(mm);
 	if (mm->locked_vm) {
 		vma = mm->mmap;
 		while (vma) {
@@ -3224,8 +3336,11 @@
 	arch_exit_mmap(mm);
 
 	vma = mm->mmap;
-	if (!vma)	/* Can happen if dup_mmap() received an OOM */
+	if (!vma) {
+		/* Can happen if dup_mmap() received an OOM */
+		mmap_write_unlock(mm);
 		return;
+	}
 
 	lru_add_drain();
 	flush_cache_mm(mm);
@@ -3236,16 +3351,15 @@
 	free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, USER_PGTABLES_CEILING);
 	tlb_finish_mmu(&tlb, 0, -1);
 
-	/*
-	 * Walk the list again, actually closing and freeing it,
-	 * with preemption enabled, without holding any MM locks.
-	 */
+	/* Walk the list again, actually closing and freeing it. */
 	while (vma) {
 		if (vma->vm_flags & VM_ACCOUNT)
 			nr_accounted += vma_pages(vma);
 		vma = remove_vma(vma);
 		cond_resched();
 	}
+	mm->mmap = NULL;
+	mmap_write_unlock(mm);
 	vm_unacct_memory(nr_accounted);
 }
 
@@ -3312,9 +3426,21 @@
 
 	if (find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent))
 		return NULL;	/* should never get here */
-	new_vma = vma_merge(mm, prev, addr, addr + len, vma->vm_flags,
-			    vma->anon_vma, vma->vm_file, pgoff, vma_policy(vma),
-			    vma->vm_userfaultfd_ctx);
+
+	/* There is 3 cases to manage here in
+	 *     AAAA            AAAA              AAAA              AAAA
+	 * PPPP....      PPPP......NNNN      PPPP....NNNN      PP........NN
+	 * PPPPPPPP(A)   PPPP..NNNNNNNN(B)   PPPPPPPPPPPP(1)       NULL
+	 *                                   PPPPPPPPNNNN(2)
+	 *                                   PPPPNNNNNNNN(3)
+	 *
+	 * new_vma == prev in case A,1,2
+	 * new_vma == next in case B,3
+	 */
+	new_vma = __vma_merge(mm, prev, addr, addr + len, vma->vm_flags,
+			      vma->anon_vma, vma->vm_file, pgoff,
+			      vma_policy(vma), vma->vm_userfaultfd_ctx,
+			      anon_vma_name(vma), true);
 	if (new_vma) {
 		/*
 		 * Source vma may have been merged into new_vma
@@ -3352,6 +3478,15 @@
 			get_file(new_vma->vm_file);
 		if (new_vma->vm_ops && new_vma->vm_ops->open)
 			new_vma->vm_ops->open(new_vma);
+		/*
+		 * As the VMA is linked right now, it may be hit by the
+		 * speculative page fault handler. But we don't want it to
+		 * to start mapping page in this area until the caller has
+		 * potentially move the pte from the moved VMA. To prevent
+		 * that we protect it right now, and let the caller unprotect
+		 * it once the move is done.
+		 */
+		vm_write_begin(new_vma);
 		vma_link(mm, new_vma, prev, rb_link, rb_parent);
 		*need_rmap_locks = false;
 	}
diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 9165ca6..8ca83c3 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -621,6 +621,25 @@
 	srcu_read_unlock(&srcu, id);
 }
 
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+
+static inline void mmu_notifier_write_lock(struct mm_struct *mm)
+{
+	percpu_down_write(mm->mmu_notifier_lock);
+}
+
+static inline void mmu_notifier_write_unlock(struct mm_struct *mm)
+{
+	percpu_up_write(mm->mmu_notifier_lock);
+}
+
+#else /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
+static inline void mmu_notifier_write_lock(struct mm_struct *mm) {}
+static inline void mmu_notifier_write_unlock(struct mm_struct *mm) {}
+
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
 /*
  * Same as mmu_notifier_register but here the caller must hold the mmap_lock in
  * write mode. A NULL mn signals the notifier is being registered for itree
@@ -661,9 +680,13 @@
 		INIT_HLIST_HEAD(&subscriptions->deferred_list);
 	}
 
+	mmu_notifier_write_lock(mm);
+
 	ret = mm_take_all_locks(mm);
-	if (unlikely(ret))
+	if (unlikely(ret)) {
+		mmu_notifier_write_unlock(mm);
 		goto out_clean;
+	}
 
 	/*
 	 * Serialize the update against mmu_notifier_unregister. A
@@ -698,6 +721,7 @@
 		mm->notifier_subscriptions->has_itree = true;
 
 	mm_drop_all_locks(mm);
+	mmu_notifier_write_unlock(mm);
 	BUG_ON(atomic_read(&mm->mm_users) <= 0);
 	return 0;
 
diff --git a/mm/mmzone.c b/mm/mmzone.c
index f337831..9d4c76f 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -9,6 +9,7 @@
 #include <linux/stddef.h>
 #include <linux/mm.h>
 #include <linux/mmzone.h>
+#include <trace/hooks/mm.h>
 
 struct pglist_data *first_online_pgdat(void)
 {
@@ -80,6 +81,8 @@
 
 	for_each_lru(lru)
 		INIT_LIST_HEAD(&lruvec->lists[lru]);
+
+	lru_gen_init_lruvec(lruvec);
 }
 
 #if defined(CONFIG_NUMA_BALANCING) && !defined(LAST_CPUPID_NOT_IN_PAGE_FLAGS)
@@ -99,3 +102,19 @@
 	return last_cpupid;
 }
 #endif
+
+enum zone_type gfp_zone(gfp_t flags)
+{
+	enum zone_type z;
+	gfp_t local_flags = flags;
+	int bit;
+
+	trace_android_rvh_set_gfp_zone_flags(&local_flags);
+
+	bit = (__force int) ((local_flags) & GFP_ZONEMASK);
+
+	z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
+					 ((1 << GFP_ZONES_SHIFT) - 1);
+	VM_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
+	return z;
+}
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 7ea0aee..b7f744c 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -454,7 +454,7 @@
 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
 	*pprev = vma_merge(mm, *pprev, start, end, newflags,
 			   vma->anon_vma, vma->vm_file, pgoff, vma_policy(vma),
-			   vma->vm_userfaultfd_ctx);
+			   vma->vm_userfaultfd_ctx, anon_vma_name(vma));
 	if (*pprev) {
 		vma = *pprev;
 		VM_WARN_ON((vma->vm_flags ^ newflags) & ~VM_SOFTDIRTY);
@@ -480,12 +480,14 @@
 	 * vm_flags and vm_page_prot are protected by the mmap_lock
 	 * held in write mode.
 	 */
-	vma->vm_flags = newflags;
+	vm_write_begin(vma);
+	WRITE_ONCE(vma->vm_flags, newflags);
 	dirty_accountable = vma_wants_writenotify(vma, vma->vm_page_prot);
 	vma_set_page_prot(vma);
 
 	change_protection(vma, start, end, vma->vm_page_prot,
 			  dirty_accountable ? MM_CP_DIRTY_ACCT : 0);
+	vm_write_end(vma);
 
 	/*
 	 * Private VM_LOCKED VMA becoming writable: trigger COW to avoid major
diff --git a/mm/mremap.c b/mm/mremap.c
index 3334c40..a6484e8 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -30,12 +30,11 @@
 
 #include "internal.h"
 
-static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
+static pud_t *get_old_pud(struct mm_struct *mm, unsigned long addr)
 {
 	pgd_t *pgd;
 	p4d_t *p4d;
 	pud_t *pud;
-	pmd_t *pmd;
 
 	pgd = pgd_offset(mm, addr);
 	if (pgd_none_or_clear_bad(pgd))
@@ -49,6 +48,18 @@
 	if (pud_none_or_clear_bad(pud))
 		return NULL;
 
+	return pud;
+}
+
+static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
+{
+	pud_t *pud;
+	pmd_t *pmd;
+
+	pud = get_old_pud(mm, addr);
+	if (!pud)
+		return NULL;
+
 	pmd = pmd_offset(pud, addr);
 	if (pmd_none(*pmd))
 		return NULL;
@@ -56,19 +67,27 @@
 	return pmd;
 }
 
-static pmd_t *alloc_new_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
+static pud_t *alloc_new_pud(struct mm_struct *mm, struct vm_area_struct *vma,
 			    unsigned long addr)
 {
 	pgd_t *pgd;
 	p4d_t *p4d;
-	pud_t *pud;
-	pmd_t *pmd;
 
 	pgd = pgd_offset(mm, addr);
 	p4d = p4d_alloc(mm, pgd, addr);
 	if (!p4d)
 		return NULL;
-	pud = pud_alloc(mm, p4d, addr);
+
+	return pud_alloc(mm, p4d, addr);
+}
+
+static pmd_t *alloc_new_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
+			    unsigned long addr)
+{
+	pud_t *pud;
+	pmd_t *pmd;
+
+	pud = alloc_new_pud(mm, vma, addr);
 	if (!pud)
 		return NULL;
 
@@ -191,6 +210,38 @@
 		drop_rmap_locks(vma);
 }
 
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+static inline bool trylock_vma_ref_count(struct vm_area_struct *vma)
+{
+	/*
+	 * If we have the only reference, swap the refcount to -1. This
+	 * will prevent other concurrent references by get_vma() for SPFs.
+	 */
+	return atomic_cmpxchg(&vma->vm_ref_count, 1, -1) == 1;
+}
+
+/*
+ * Restore the VMA reference count to 1 after a fast mremap.
+ */
+static inline void unlock_vma_ref_count(struct vm_area_struct *vma)
+{
+	/*
+	 * This should only be called after a corresponding,
+	 * successful trylock_vma_ref_count().
+	 */
+	VM_BUG_ON_VMA(atomic_cmpxchg(&vma->vm_ref_count, -1, 1) != -1,
+		      vma);
+}
+#else	/* !CONFIG_SPECULATIVE_PAGE_FAULT */
+static inline bool trylock_vma_ref_count(struct vm_area_struct *vma)
+{
+	return true;
+}
+static inline void unlock_vma_ref_count(struct vm_area_struct *vma)
+{
+}
+#endif	/* CONFIG_SPECULATIVE_PAGE_FAULT */
+
 #ifdef CONFIG_HAVE_MOVE_PMD
 static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr,
 		  unsigned long new_addr, pmd_t *old_pmd, pmd_t *new_pmd)
@@ -226,6 +277,14 @@
 		return false;
 
 	/*
+	 * We hold both exclusive mmap_lock and rmap_lock at this point and
+	 * cannot block. If we cannot immediately take exclusive ownership
+	 * of the VMA fallback to the move_ptes().
+	 */
+	if (!trylock_vma_ref_count(vma))
+		return false;
+
+	/*
 	 * We don't have to worry about the ordering of src and dst
 	 * ptlocks because exclusive mmap_lock prevents deadlock.
 	 */
@@ -247,16 +306,162 @@
 		spin_unlock(new_ptl);
 	spin_unlock(old_ptl);
 
+	unlock_vma_ref_count(vma);
 	return true;
 }
+#else
+static inline bool move_normal_pmd(struct vm_area_struct *vma,
+		unsigned long old_addr, unsigned long new_addr, pmd_t *old_pmd,
+		pmd_t *new_pmd)
+{
+	return false;
+}
 #endif
 
+#ifdef CONFIG_HAVE_MOVE_PUD
+static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr,
+		  unsigned long new_addr, pud_t *old_pud, pud_t *new_pud)
+{
+	spinlock_t *old_ptl, *new_ptl;
+	struct mm_struct *mm = vma->vm_mm;
+	pud_t pud;
+
+	/*
+	 * The destination pud shouldn't be established, free_pgtables()
+	 * should have released it.
+	 */
+	if (WARN_ON_ONCE(!pud_none(*new_pud)))
+		return false;
+
+	/*
+	 * We hold both exclusive mmap_lock and rmap_lock at this point and
+	 * cannot block. If we cannot immediately take exclusive ownership
+	 * of the VMA fallback to the move_ptes().
+	 */
+	if (!trylock_vma_ref_count(vma))
+		return false;
+
+	/*
+	 * We don't have to worry about the ordering of src and dst
+	 * ptlocks because exclusive mmap_lock prevents deadlock.
+	 */
+	old_ptl = pud_lock(vma->vm_mm, old_pud);
+	new_ptl = pud_lockptr(mm, new_pud);
+	if (new_ptl != old_ptl)
+		spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
+
+	/* Clear the pud */
+	pud = *old_pud;
+	pud_clear(old_pud);
+
+	VM_BUG_ON(!pud_none(*new_pud));
+
+	/* Set the new pud */
+	set_pud_at(mm, new_addr, new_pud, pud);
+	flush_tlb_range(vma, old_addr, old_addr + PUD_SIZE);
+	if (new_ptl != old_ptl)
+		spin_unlock(new_ptl);
+	spin_unlock(old_ptl);
+
+	unlock_vma_ref_count(vma);
+	return true;
+}
+#else
+static inline bool move_normal_pud(struct vm_area_struct *vma,
+		unsigned long old_addr, unsigned long new_addr, pud_t *old_pud,
+		pud_t *new_pud)
+{
+	return false;
+}
+#endif
+
+enum pgt_entry {
+	NORMAL_PMD,
+	HPAGE_PMD,
+	NORMAL_PUD,
+};
+
+/*
+ * Returns an extent of the corresponding size for the pgt_entry specified if
+ * valid. Else returns a smaller extent bounded by the end of the source and
+ * destination pgt_entry.
+ */
+static unsigned long get_extent(enum pgt_entry entry, unsigned long old_addr,
+			unsigned long old_end, unsigned long new_addr)
+{
+	unsigned long next, extent, mask, size;
+
+	switch (entry) {
+	case HPAGE_PMD:
+	case NORMAL_PMD:
+		mask = PMD_MASK;
+		size = PMD_SIZE;
+		break;
+	case NORMAL_PUD:
+		mask = PUD_MASK;
+		size = PUD_SIZE;
+		break;
+	default:
+		BUILD_BUG();
+		break;
+	}
+
+	next = (old_addr + size) & mask;
+	/* even if next overflowed, extent below will be ok */
+	extent = next - old_addr;
+	if (extent > old_end - old_addr)
+		extent = old_end - old_addr;
+	next = (new_addr + size) & mask;
+	if (extent > next - new_addr)
+		extent = next - new_addr;
+	return extent;
+}
+
+/*
+ * Attempts to speedup the move by moving entry at the level corresponding to
+ * pgt_entry. Returns true if the move was successful, else false.
+ */
+static bool move_pgt_entry(enum pgt_entry entry, struct vm_area_struct *vma,
+			unsigned long old_addr, unsigned long new_addr,
+			void *old_entry, void *new_entry, bool need_rmap_locks)
+{
+	bool moved = false;
+
+	/* See comment in move_ptes() */
+	if (need_rmap_locks)
+		take_rmap_locks(vma);
+
+	switch (entry) {
+	case NORMAL_PMD:
+		moved = move_normal_pmd(vma, old_addr, new_addr, old_entry,
+					new_entry);
+		break;
+	case NORMAL_PUD:
+		moved = move_normal_pud(vma, old_addr, new_addr, old_entry,
+					new_entry);
+		break;
+	case HPAGE_PMD:
+		moved = IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
+			move_huge_pmd(vma, old_addr, new_addr, old_entry,
+				      new_entry);
+		break;
+	default:
+		WARN_ON_ONCE(1);
+		break;
+	}
+
+	if (need_rmap_locks)
+		drop_rmap_locks(vma);
+
+	return moved;
+}
+
 unsigned long move_page_tables(struct vm_area_struct *vma,
 		unsigned long old_addr, struct vm_area_struct *new_vma,
 		unsigned long new_addr, unsigned long len,
 		bool need_rmap_locks)
 {
-	unsigned long extent, next, old_end;
+	unsigned long extent, old_end;
 	struct mmu_notifier_range range;
 	pmd_t *old_pmd, *new_pmd;
 
@@ -272,51 +477,50 @@
 
 	for (; old_addr < old_end; old_addr += extent, new_addr += extent) {
 		cond_resched();
-		next = (old_addr + PMD_SIZE) & PMD_MASK;
-		/* even if next overflowed, extent below will be ok */
-		extent = next - old_addr;
-		if (extent > old_end - old_addr)
-			extent = old_end - old_addr;
-		next = (new_addr + PMD_SIZE) & PMD_MASK;
-		if (extent > next - new_addr)
-			extent = next - new_addr;
+		/*
+		 * If extent is PUD-sized try to speed up the move by moving at the
+		 * PUD level if possible.
+		 */
+		extent = get_extent(NORMAL_PUD, old_addr, old_end, new_addr);
+		if (IS_ENABLED(CONFIG_HAVE_MOVE_PUD) && extent == PUD_SIZE) {
+			pud_t *old_pud, *new_pud;
+
+			old_pud = get_old_pud(vma->vm_mm, old_addr);
+			if (!old_pud)
+				continue;
+			new_pud = alloc_new_pud(vma->vm_mm, vma, new_addr);
+			if (!new_pud)
+				break;
+			if (move_pgt_entry(NORMAL_PUD, vma, old_addr, new_addr,
+					   old_pud, new_pud, true))
+				continue;
+		}
+
+		extent = get_extent(NORMAL_PMD, old_addr, old_end, new_addr);
 		old_pmd = get_old_pmd(vma->vm_mm, old_addr);
 		if (!old_pmd)
 			continue;
 		new_pmd = alloc_new_pmd(vma->vm_mm, vma, new_addr);
 		if (!new_pmd)
 			break;
-		if (is_swap_pmd(*old_pmd) || pmd_trans_huge(*old_pmd) || pmd_devmap(*old_pmd)) {
-			if (extent == HPAGE_PMD_SIZE) {
-				bool moved;
-				/* See comment in move_ptes() */
-				if (need_rmap_locks)
-					take_rmap_locks(vma);
-				moved = move_huge_pmd(vma, old_addr, new_addr,
-						      old_pmd, new_pmd);
-				if (need_rmap_locks)
-					drop_rmap_locks(vma);
-				if (moved)
-					continue;
-			}
+		if (is_swap_pmd(*old_pmd) || pmd_trans_huge(*old_pmd) ||
+		    pmd_devmap(*old_pmd)) {
+			if (extent == HPAGE_PMD_SIZE &&
+			    move_pgt_entry(HPAGE_PMD, vma, old_addr, new_addr,
+					   old_pmd, new_pmd, need_rmap_locks))
+				continue;
 			split_huge_pmd(vma, old_pmd, old_addr);
 			if (pmd_trans_unstable(old_pmd))
 				continue;
-		} else if (extent == PMD_SIZE) {
-#ifdef CONFIG_HAVE_MOVE_PMD
+		} else if (IS_ENABLED(CONFIG_HAVE_MOVE_PMD) &&
+			   extent == PMD_SIZE) {
 			/*
 			 * If the extent is PMD-sized, try to speed the move by
 			 * moving at the PMD level if possible.
 			 */
-			bool moved;
-
-			take_rmap_locks(vma);
-			moved = move_normal_pmd(vma, old_addr, new_addr,
-						old_pmd, new_pmd);
-			drop_rmap_locks(vma);
-			if (moved)
+			if (move_pgt_entry(NORMAL_PMD, vma, old_addr, new_addr,
+					   old_pmd, new_pmd, true))
 				continue;
-#endif
 		}
 
 		if (pte_alloc(new_vma->vm_mm, new_pmd))
@@ -372,6 +576,14 @@
 	if (!new_vma)
 		return -ENOMEM;
 
+	/* new_vma is returned protected by copy_vma, to prevent speculative
+	 * page fault to be done in the destination area before we move the pte.
+	 * Now, we must also protect the source VMA since we don't want pages
+	 * to be mapped in our back while we are copying the PTEs.
+	 */
+	if (vma != new_vma)
+		vm_write_begin(vma);
+
 	moved_len = move_page_tables(vma, old_addr, new_vma, new_addr, old_len,
 				     need_rmap_locks);
 	if (moved_len < old_len) {
@@ -388,6 +600,8 @@
 		 */
 		move_page_tables(new_vma, new_addr, vma, old_addr, moved_len,
 				 true);
+		if (vma != new_vma)
+			vm_write_end(vma);
 		vma = new_vma;
 		old_len = new_len;
 		old_addr = new_addr;
@@ -396,7 +610,10 @@
 		mremap_userfaultfd_prep(new_vma, uf);
 		arch_remap(mm, old_addr, old_addr + old_len,
 			   new_addr, new_addr + new_len);
+		if (vma != new_vma)
+			vm_write_end(vma);
 	}
+	vm_write_end(new_vma);
 
 	/* Conceal VM_ACCOUNT so old reservation is not undone */
 	if (vm_flags & VM_ACCOUNT) {
@@ -496,8 +713,8 @@
 		return ERR_PTR(-EINVAL);
 	}
 
-	if (flags & MREMAP_DONTUNMAP && (!vma_is_anonymous(vma) ||
-			vma->vm_flags & VM_SHARED))
+	if ((flags & MREMAP_DONTUNMAP) &&
+			(vma->vm_flags & (VM_DONTEXPAND | VM_PFNMAP)))
 		return ERR_PTR(-EINVAL);
 
 	if (is_vm_hugetlb_page(vma))
diff --git a/mm/nommu.c b/mm/nommu.c
index 0faf39b..f8f7f0e 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1668,13 +1668,22 @@
 }
 EXPORT_SYMBOL(filemap_fault);
 
-void filemap_map_pages(struct vm_fault *vmf,
+vm_fault_t filemap_map_pages(struct vm_fault *vmf,
 		pgoff_t start_pgoff, pgoff_t end_pgoff)
 {
 	BUG();
+	return 0;
 }
 EXPORT_SYMBOL(filemap_map_pages);
 
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+bool filemap_allow_speculation(void)
+{
+	BUG();
+	return false;
+}
+#endif
+
 int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
 		unsigned long addr, void *buf, int len, unsigned int gup_flags)
 {
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 3d7c557..e722c68 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -28,6 +28,7 @@
 #include <linux/sched/task.h>
 #include <linux/sched/debug.h>
 #include <linux/swap.h>
+#include <linux/syscalls.h>
 #include <linux/timex.h>
 #include <linux/jiffies.h>
 #include <linux/cpuset.h>
@@ -51,6 +52,9 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/oom.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
 int sysctl_panic_on_oom;
 int sysctl_oom_kill_allocating_task;
 int sysctl_oom_dump_tasks = 1;
@@ -339,7 +343,24 @@
 	}
 
 	points = oom_badness(task, oc->totalpages);
-	if (points == LONG_MIN || points < oc->chosen_points)
+
+	if (points == LONG_MIN)
+		goto next;
+
+	/*
+	 * Check to see if this is the worst task with a non-negative
+	 * ADJ score seen so far
+	 */
+	if (task->signal->oom_score_adj >= 0 &&
+	    points > oc->chosen_non_negative_adj_points) {
+		if (oc->chosen_non_negative_adj)
+			put_task_struct(oc->chosen_non_negative_adj);
+		get_task_struct(task);
+		oc->chosen_non_negative_adj = task;
+		oc->chosen_non_negative_adj_points = points;
+	}
+
+	if (points < oc->chosen_points)
 		goto next;
 
 select:
@@ -351,8 +372,11 @@
 next:
 	return 0;
 abort:
+	if (oc->chosen_non_negative_adj)
+		put_task_struct(oc->chosen_non_negative_adj);
 	if (oc->chosen)
 		put_task_struct(oc->chosen);
+	oc->chosen_non_negative_adj = NULL;
 	oc->chosen = (void *)-1UL;
 	return 1;
 }
@@ -364,6 +388,8 @@
 static void select_bad_process(struct oom_control *oc)
 {
 	oc->chosen_points = LONG_MIN;
+	oc->chosen_non_negative_adj_points = LONG_MIN;
+	oc->chosen_non_negative_adj = NULL;
 
 	if (is_memcg_oom(oc))
 		mem_cgroup_scan_tasks(oc->memcg, oom_evaluate_task, oc);
@@ -376,6 +402,20 @@
 				break;
 		rcu_read_unlock();
 	}
+
+	if (oc->chosen_non_negative_adj) {
+		/*
+		 * If oc->chosen has a negative ADJ, and we found a task with
+		 * a postive ADJ to kill, kill the task with the positive ADJ
+		 * instead.
+		 */
+		if (oc->chosen && oc->chosen->signal->oom_score_adj < 0) {
+			put_task_struct(oc->chosen);
+			oc->chosen = oc->chosen_non_negative_adj;
+			oc->chosen_points = oc->chosen_non_negative_adj_points;
+		} else
+			put_task_struct(oc->chosen_non_negative_adj);
+	}
 }
 
 static int dump_task(struct task_struct *p, void *arg)
@@ -633,7 +673,7 @@
 	 */
 	set_bit(MMF_OOM_SKIP, &mm->flags);
 
-	/* Drop a reference taken by queue_oom_reaper */
+	/* Drop a reference taken by wake_oom_reaper */
 	put_task_struct(tsk);
 }
 
@@ -643,12 +683,12 @@
 		struct task_struct *tsk = NULL;
 
 		wait_event_freezable(oom_reaper_wait, oom_reaper_list != NULL);
-		spin_lock_irq(&oom_reaper_lock);
+		spin_lock(&oom_reaper_lock);
 		if (oom_reaper_list != NULL) {
 			tsk = oom_reaper_list;
 			oom_reaper_list = tsk->oom_reaper_list;
 		}
-		spin_unlock_irq(&oom_reaper_lock);
+		spin_unlock(&oom_reaper_lock);
 
 		if (tsk)
 			oom_reap_task(tsk);
@@ -657,46 +697,20 @@
 	return 0;
 }
 
-static void wake_oom_reaper(struct timer_list *timer)
-{
-	struct task_struct *tsk = container_of(timer, struct task_struct,
-			oom_reaper_timer);
-	struct mm_struct *mm = tsk->signal->oom_mm;
-	unsigned long flags;
-
-	/* The victim managed to terminate on its own - see exit_mmap */
-	if (test_bit(MMF_OOM_SKIP, &mm->flags)) {
-		put_task_struct(tsk);
-		return;
-	}
-
-	spin_lock_irqsave(&oom_reaper_lock, flags);
-	tsk->oom_reaper_list = oom_reaper_list;
-	oom_reaper_list = tsk;
-	spin_unlock_irqrestore(&oom_reaper_lock, flags);
-	trace_wake_reaper(tsk->pid);
-	wake_up(&oom_reaper_wait);
-}
-
-/*
- * Give the OOM victim time to exit naturally before invoking the oom_reaping.
- * The timers timeout is arbitrary... the longer it is, the longer the worst
- * case scenario for the OOM can take. If it is too small, the oom_reaper can
- * get in the way and release resources needed by the process exit path.
- * e.g. The futex robust list can sit in Anon|Private memory that gets reaped
- * before the exit path is able to wake the futex waiters.
- */
-#define OOM_REAPER_DELAY (2*HZ)
-static void queue_oom_reaper(struct task_struct *tsk)
+static void wake_oom_reaper(struct task_struct *tsk)
 {
 	/* mm is already queued? */
 	if (test_and_set_bit(MMF_OOM_REAP_QUEUED, &tsk->signal->oom_mm->flags))
 		return;
 
 	get_task_struct(tsk);
-	timer_setup(&tsk->oom_reaper_timer, wake_oom_reaper, 0);
-	tsk->oom_reaper_timer.expires = jiffies + OOM_REAPER_DELAY;
-	add_timer(&tsk->oom_reaper_timer);
+
+	spin_lock(&oom_reaper_lock);
+	tsk->oom_reaper_list = oom_reaper_list;
+	oom_reaper_list = tsk;
+	spin_unlock(&oom_reaper_lock);
+	trace_wake_reaper(tsk->pid);
+	wake_up(&oom_reaper_wait);
 }
 
 static int __init oom_init(void)
@@ -706,12 +720,26 @@
 }
 subsys_initcall(oom_init)
 #else
-static inline void queue_oom_reaper(struct task_struct *tsk)
+static inline void wake_oom_reaper(struct task_struct *tsk)
 {
 }
 #endif /* CONFIG_MMU */
 
 /**
+ * tsk->mm has to be non NULL and caller has to guarantee it is stable (either
+ * under task_lock or operate on the current).
+ */
+static void __mark_oom_victim(struct task_struct *tsk)
+{
+	struct mm_struct *mm = tsk->mm;
+
+	if (!cmpxchg(&tsk->signal->oom_mm, NULL, mm)) {
+		mmgrab(tsk->signal->oom_mm);
+		set_bit(MMF_OOM_VICTIM, &mm->flags);
+	}
+}
+
+/**
  * mark_oom_victim - mark the given task as OOM victim
  * @tsk: task to mark
  *
@@ -723,18 +751,13 @@
  */
 static void mark_oom_victim(struct task_struct *tsk)
 {
-	struct mm_struct *mm = tsk->mm;
-
 	WARN_ON(oom_killer_disabled);
 	/* OOM killer might race with memcg OOM */
 	if (test_and_set_tsk_thread_flag(tsk, TIF_MEMDIE))
 		return;
 
 	/* oom_mm is bound to the signal struct life time. */
-	if (!cmpxchg(&tsk->signal->oom_mm, NULL, mm)) {
-		mmgrab(tsk->signal->oom_mm);
-		set_bit(MMF_OOM_VICTIM, &mm->flags);
-	}
+	__mark_oom_victim(tsk);
 
 	/*
 	 * Make sure that the task is woken up from uninterruptible sleep
@@ -957,7 +980,7 @@
 	rcu_read_unlock();
 
 	if (can_oom_reap)
-		queue_oom_reaper(victim);
+		wake_oom_reaper(victim);
 
 	mmdrop(mm);
 	put_task_struct(victim);
@@ -993,7 +1016,7 @@
 	task_lock(victim);
 	if (task_will_free_mem(victim)) {
 		mark_oom_victim(victim);
-		queue_oom_reaper(victim);
+		wake_oom_reaper(victim);
 		task_unlock(victim);
 		put_task_struct(victim);
 		return;
@@ -1091,7 +1114,7 @@
 	 */
 	if (task_will_free_mem(current)) {
 		mark_oom_victim(current);
-		queue_oom_reaper(current);
+		wake_oom_reaper(current);
 		return true;
 	}
 
@@ -1127,6 +1150,12 @@
 	select_bad_process(oc);
 	/* Found nothing?!?! */
 	if (!oc->chosen) {
+		int ret = false;
+
+		trace_android_vh_oom_check_panic(oc, &ret);
+		if (ret)
+			return true;
+
 		dump_header(oc, NULL);
 		pr_warn("Out of memory and no killable processes...\n");
 		/*
@@ -1163,3 +1192,97 @@
 	if (__ratelimit(&pfoom_rs))
 		pr_warn("Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF\n");
 }
+
+SYSCALL_DEFINE2(process_mrelease, int, pidfd, unsigned int, flags)
+{
+#ifdef CONFIG_MMU
+	struct mm_struct *mm = NULL;
+	struct task_struct *task;
+	struct task_struct *p;
+	unsigned int f_flags;
+	bool reap = false;
+	struct pid *pid;
+	long ret = 0;
+
+	if (flags)
+		return -EINVAL;
+
+	pid = pidfd_get_pid(pidfd, &f_flags);
+	if (IS_ERR(pid))
+		return PTR_ERR(pid);
+
+	task = get_pid_task(pid, PIDTYPE_TGID);
+	if (!task) {
+		ret = -ESRCH;
+		goto put_pid;
+	}
+
+	/*
+	 * Make sure to choose a thread which still has a reference to mm
+	 * during the group exit
+	 */
+	p = find_lock_task_mm(task);
+	if (!p) {
+		ret = -ESRCH;
+		goto put_task;
+	}
+
+	mm = p->mm;
+	mmgrab(mm);
+
+	/*
+	 * If we are too late and exit_mmap already checked mm_is_oom_victim
+	 * then will block on mmap_read_lock until exit_mmap releases mmap_lock
+	 */
+	set_bit(MMF_OOM_VICTIM, &mm->flags);
+
+	if (task_will_free_mem(p))
+		reap = true;
+	else {
+		/* Error only if the work has not been done already */
+		if (!test_bit(MMF_OOM_SKIP, &mm->flags))
+			ret = -EINVAL;
+	}
+	task_unlock(p);
+
+	if (!reap)
+		goto drop_mm;
+
+	if (mmap_read_lock_killable(mm)) {
+		ret = -EINTR;
+		goto drop_mm;
+	}
+	/*
+	 * Check MMF_OOM_SKIP again under mmap_read_lock protection to ensure
+	 * possible change in exit_mmap is seen
+	 */
+	if (!test_bit(MMF_OOM_SKIP, &mm->flags) && !__oom_reap_task_mm(mm))
+		ret = -EAGAIN;
+	mmap_read_unlock(mm);
+
+drop_mm:
+	mmdrop(mm);
+put_task:
+	put_task_struct(task);
+put_pid:
+	put_pid(pid);
+	return ret;
+#else
+	return -ENOSYS;
+#endif /* CONFIG_MMU */
+}
+
+void add_to_oom_reaper(struct task_struct *p)
+{
+	p = find_lock_task_mm(p);
+	if (!p)
+		return;
+
+	get_task_struct(p);
+	if (task_will_free_mem(p)) {
+		__mark_oom_victim(p);
+		wake_oom_reaper(p);
+	}
+	task_unlock(p);
+	put_task_struct(p);
+}
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index eb34d20..3c77e6f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -42,6 +42,9 @@
 
 #include "internal.h"
 
+#undef CREATE_TRACE_POINT
+#include <trace/hooks/mm.h>
+
 /*
  * Sleep at most 200ms at a time in balance_dirty_pages().
  */
@@ -1625,6 +1628,9 @@
 			}
 		}
 
+		trace_android_vh_mm_dirty_limits(gdtc, strictlimit, dirty, bg_thresh,
+				nr_reclaimable, pages_dirtied);
+
 		/*
 		 * Throttle it only when the background writeback cannot
 		 * catch-up. This avoids (excessively) small writeouts
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 124ab9324..4901b77 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -62,6 +62,7 @@
 #include <linux/sched/rt.h>
 #include <linux/sched/mm.h>
 #include <linux/page_owner.h>
+#include <linux/page_pinner.h>
 #include <linux/kthread.h>
 #include <linux/memcontrol.h>
 #include <linux/ftrace.h>
@@ -70,6 +71,7 @@
 #include <linux/psi.h>
 #include <linux/padata.h>
 #include <linux/khugepaged.h>
+#include <trace/hooks/mm.h>
 
 #include <asm/sections.h>
 #include <asm/tlbflush.h>
@@ -81,6 +83,18 @@
 /* Free Page Internal flags: for internal, non-pcp variants of free_pages(). */
 typedef int __bitwise fpi_t;
 
+static inline struct per_cpu_pageset_ext *pcp_to_pageset_ext(struct per_cpu_pages *pcp)
+{
+	struct per_cpu_pageset *ps = container_of(pcp, struct per_cpu_pageset, pcp);
+
+	return container_of(ps, struct per_cpu_pageset_ext, pageset);
+}
+
+static inline struct per_cpu_pageset_ext *pageset_to_pageset_ext(struct per_cpu_pageset *ps)
+{
+	return container_of(ps, struct per_cpu_pageset_ext, pageset);
+}
+
 /* No special request */
 #define FPI_NONE		((__force fpi_t)0)
 
@@ -106,10 +120,35 @@
  */
 #define FPI_TO_TAIL		((__force fpi_t)BIT(1))
 
+/*
+ * Don't poison memory with KASAN (only for the tag-based modes).
+ * During boot, all non-reserved memblock memory is exposed to page_alloc.
+ * Poisoning all that memory lengthens boot time, especially on systems with
+ * large amount of RAM. This flag is used to skip that poisoning.
+ * This is only done for the tag-based KASAN modes, as those are able to
+ * detect memory corruptions with the memory tags assigned by default.
+ * All memory allocated normally after boot gets poisoned as usual.
+ */
+#define FPI_SKIP_KASAN_POISON	((__force fpi_t)BIT(2))
+
 /* prevent >1 _updater_ of zone percpu pageset ->high and ->batch fields */
 static DEFINE_MUTEX(pcp_batch_high_lock);
 #define MIN_PERCPU_PAGELIST_FRACTION	(8)
 
+#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT_RT)
+/*
+ * On SMP, spin_trylock is sufficient protection.
+ * On PREEMPT_RT, spin_trylock is equivalent on both SMP and UP.
+ */
+#define pcp_trylock_prepare(flags) do { } while (0)
+#define pcp_trylock_finish(flag)   do { } while (0)
+#else
+
+/* UP spin_trylock always succeeds so disable IRQs to prevent re-entrancy. */
+#define pcp_trylock_prepare(flags) local_irq_save(flags)
+#define pcp_trylock_finish(flags)  local_irq_restore(flags)
+#endif
+
 #ifdef CONFIG_USE_PERCPU_NUMA_NODE_ID
 DEFINE_PER_CPU(int, numa_node);
 EXPORT_PER_CPU_SYMBOL(numa_node);
@@ -128,13 +167,7 @@
 EXPORT_PER_CPU_SYMBOL(_numa_mem_);
 #endif
 
-/* work_structs for global per-cpu drains */
-struct pcpu_drain {
-	struct zone *zone;
-	struct work_struct work;
-};
 static DEFINE_MUTEX(pcpu_drain_mutex);
-static DEFINE_PER_CPU(struct pcpu_drain, pcpu_drain);
 
 #ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
 volatile unsigned long latent_entropy __latent_entropy;
@@ -165,53 +198,26 @@
 
 int percpu_pagelist_fraction;
 gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
-#ifdef CONFIG_INIT_ON_ALLOC_DEFAULT_ON
-DEFINE_STATIC_KEY_TRUE(init_on_alloc);
-#else
 DEFINE_STATIC_KEY_FALSE(init_on_alloc);
-#endif
 EXPORT_SYMBOL(init_on_alloc);
 
-#ifdef CONFIG_INIT_ON_FREE_DEFAULT_ON
-DEFINE_STATIC_KEY_TRUE(init_on_free);
-#else
 DEFINE_STATIC_KEY_FALSE(init_on_free);
-#endif
 EXPORT_SYMBOL(init_on_free);
 
+static bool _init_on_alloc_enabled_early __read_mostly
+				= IS_ENABLED(CONFIG_INIT_ON_ALLOC_DEFAULT_ON);
 static int __init early_init_on_alloc(char *buf)
 {
-	int ret;
-	bool bool_result;
 
-	ret = kstrtobool(buf, &bool_result);
-	if (ret)
-		return ret;
-	if (bool_result && page_poisoning_enabled())
-		pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, will take precedence over init_on_alloc\n");
-	if (bool_result)
-		static_branch_enable(&init_on_alloc);
-	else
-		static_branch_disable(&init_on_alloc);
-	return 0;
+	return kstrtobool(buf, &_init_on_alloc_enabled_early);
 }
 early_param("init_on_alloc", early_init_on_alloc);
 
+static bool _init_on_free_enabled_early __read_mostly
+				= IS_ENABLED(CONFIG_INIT_ON_FREE_DEFAULT_ON);
 static int __init early_init_on_free(char *buf)
 {
-	int ret;
-	bool bool_result;
-
-	ret = kstrtobool(buf, &bool_result);
-	if (ret)
-		return ret;
-	if (bool_result && page_poisoning_enabled())
-		pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, will take precedence over init_on_free\n");
-	if (bool_result)
-		static_branch_enable(&init_on_free);
-	else
-		static_branch_disable(&init_on_free);
-	return 0;
+	return kstrtobool(buf, &_init_on_free_enabled_early);
 }
 early_param("init_on_free", early_init_on_free);
 
@@ -324,10 +330,10 @@
 	"Unmovable",
 	"Movable",
 	"Reclaimable",
-	"HighAtomic",
 #ifdef CONFIG_CMA
 	"CMA",
 #endif
+	"HighAtomic",
 #ifdef CONFIG_MEMORY_ISOLATION
 	"Isolate",
 #endif
@@ -396,23 +402,9 @@
  */
 static DEFINE_STATIC_KEY_TRUE(deferred_pages);
 
-/*
- * Calling kasan_free_pages() only after deferred memory initialization
- * has completed. Poisoning pages during deferred memory init will greatly
- * lengthen the process and cause problem in large memory systems as the
- * deferred pages initialization is done with interrupt disabled.
- *
- * Assuming that there will be no reference to those newly initialized
- * pages before they are ever allocated, this should have no effect on
- * KASAN memory tracking as the poison will be properly inserted at page
- * allocation time. The only corner case is when pages are allocated by
- * on-demand allocation and then freed again before the deferred pages
- * initialization is done, but this is not likely to happen.
- */
-static inline void kasan_free_nondeferred_pages(struct page *page, int order)
+static inline bool deferred_pages_enabled(void)
 {
-	if (!static_branch_unlikely(&deferred_pages))
-		kasan_free_pages(page, order);
+	return static_branch_unlikely(&deferred_pages);
 }
 
 /* Returns true if the struct page for the pfn is uninitialised */
@@ -463,7 +455,10 @@
 	return false;
 }
 #else
-#define kasan_free_nondeferred_pages(p, o)	kasan_free_pages(p, o)
+static inline bool deferred_pages_enabled(void)
+{
+	return false;
+}
 
 static inline bool early_page_uninitialised(unsigned long pfn)
 {
@@ -518,8 +513,12 @@
 	bitidx = pfn_to_bitidx(page, pfn);
 	word_bitidx = bitidx / BITS_PER_LONG;
 	bitidx &= (BITS_PER_LONG-1);
-
-	word = bitmap[word_bitidx];
+	/*
+	 * This races, without locks, with set_pfnblock_flags_mask(). Ensure
+	 * a consistent read of the memory array, so that results, even though
+	 * racy, are not corrupted.
+	 */
+	word = READ_ONCE(bitmap[word_bitidx]);
 	return (word >> bitidx) & mask;
 }
 
@@ -528,6 +527,24 @@
 {
 	return __get_pfnblock_flags_mask(page, pfn, mask);
 }
+EXPORT_SYMBOL_GPL(get_pfnblock_flags_mask);
+
+int isolate_anon_lru_page(struct page *page)
+{
+	int ret;
+
+	if (!PageLRU(page) || !PageAnon(page))
+		return -EINVAL;
+
+	if (!get_page_unless_zero(page))
+		return -EINVAL;
+
+	ret = isolate_lru_page(page);
+	put_page(page);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(isolate_anon_lru_page);
 
 static __always_inline int get_pfnblock_migratetype(struct page *page, unsigned long pfn)
 {
@@ -730,19 +747,6 @@
 }
 early_param("debug_pagealloc", early_debug_pagealloc);
 
-void init_debug_pagealloc(void)
-{
-	if (!debug_pagealloc_enabled())
-		return;
-
-	static_branch_enable(&_debug_pagealloc_enabled);
-
-	if (!debug_guardpage_minorder())
-		return;
-
-	static_branch_enable(&_debug_guardpage_enabled);
-}
-
 static int __init debug_guardpage_minorder_setup(char *buf)
 {
 	unsigned long res;
@@ -794,6 +798,57 @@
 				unsigned int order, int migratetype) {}
 #endif
 
+/*
+ * Enable static keys related to various memory debugging and hardening options.
+ * Some override others, and depend on early params that are evaluated in the
+ * order of appearance. So we need to first gather the full picture of what was
+ * enabled, and then make decisions.
+ */
+void init_mem_debugging_and_hardening(void)
+{
+	bool page_poisoning_requested = false;
+
+#ifdef CONFIG_PAGE_POISONING
+	/*
+	 * Page poisoning is debug page alloc for some arches. If
+	 * either of those options are enabled, enable poisoning.
+	 */
+	if (page_poisoning_enabled() ||
+	     (!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
+	      debug_pagealloc_enabled())) {
+		static_branch_enable(&_page_poisoning_enabled);
+		page_poisoning_requested = true;
+	}
+#endif
+
+	if (_init_on_alloc_enabled_early) {
+		if (page_poisoning_requested)
+			pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, "
+				"will take precedence over init_on_alloc\n");
+		else
+			static_branch_enable(&init_on_alloc);
+	}
+	if (_init_on_free_enabled_early) {
+		if (page_poisoning_requested)
+			pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, "
+				"will take precedence over init_on_free\n");
+		else
+			static_branch_enable(&init_on_free);
+	}
+
+#ifdef CONFIG_DEBUG_PAGEALLOC
+	if (!debug_pagealloc_enabled())
+		return;
+
+	static_branch_enable(&_debug_pagealloc_enabled);
+
+	if (!debug_guardpage_minorder())
+		return;
+
+	static_branch_enable(&_debug_guardpage_enabled);
+#endif
+}
+
 static inline void set_buddy_order(struct page *page, unsigned int order)
 {
 	set_page_private(page, order);
@@ -1191,21 +1246,56 @@
 	return ret;
 }
 
+/*
+ * Skip KASAN memory poisoning when either:
+ *
+ * 1. Deferred memory initialization has not yet completed,
+ *    see the explanation below.
+ * 2. Skipping poisoning is requested via FPI_SKIP_KASAN_POISON,
+ *    see the comment next to it.
+ * 3. Skipping poisoning is requested via __GFP_SKIP_KASAN_POISON,
+ *    see the comment next to it.
+ *
+ * Poisoning pages during deferred memory init will greatly lengthen the
+ * process and cause problem in large memory systems as the deferred pages
+ * initialization is done with interrupt disabled.
+ *
+ * Assuming that there will be no reference to those newly initialized
+ * pages before they are ever allocated, this should have no effect on
+ * KASAN memory tracking as the poison will be properly inserted at page
+ * allocation time. The only corner case is when pages are allocated by
+ * on-demand allocation and then freed again before the deferred pages
+ * initialization is done, but this is not likely to happen.
+ */
+static inline bool should_skip_kasan_poison(struct page *page, fpi_t fpi_flags)
+{
+	return deferred_pages_enabled() ||
+	       (!IS_ENABLED(CONFIG_KASAN_GENERIC) &&
+		(fpi_flags & FPI_SKIP_KASAN_POISON)) ||
+	       PageSkipKASanPoison(page);
+}
+
 static void kernel_init_free_pages(struct page *page, int numpages)
 {
 	int i;
 
 	/* s390's use of memset() could override KASAN redzones. */
 	kasan_disable_current();
-	for (i = 0; i < numpages; i++)
+	for (i = 0; i < numpages; i++) {
+		u8 tag = page_kasan_tag(page + i);
+		page_kasan_tag_reset(page + i);
 		clear_highpage(page + i);
+		page_kasan_tag_set(page + i, tag);
+	}
 	kasan_enable_current();
 }
 
 static __always_inline bool free_pages_prepare(struct page *page,
-					unsigned int order, bool check_free)
+			unsigned int order, bool check_free, fpi_t fpi_flags)
 {
 	int bad = 0;
+	bool skip_kasan_poison = should_skip_kasan_poison(page, fpi_flags);
+	bool init = want_init_on_free();
 
 	VM_BUG_ON_PAGE(PageTail(page), page);
 
@@ -1219,6 +1309,7 @@
 		if (memcg_kmem_enabled() && PageKmemcg(page))
 			__memcg_kmem_uncharge_page(page, order);
 		reset_page_owner(page, order);
+		free_page_pinner(page, order);
 		return false;
 	}
 
@@ -1256,6 +1347,7 @@
 	page_cpupid_reset_last(page);
 	page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP;
 	reset_page_owner(page, order);
+	free_page_pinner(page, order);
 
 	if (!PageHighMem(page)) {
 		debug_check_no_locks_freed(page_address(page),
@@ -1263,10 +1355,27 @@
 		debug_check_no_obj_freed(page_address(page),
 					   PAGE_SIZE << order);
 	}
-	if (want_init_on_free())
+
+	kernel_poison_pages(page, 1 << order);
+
+	/*
+	 * As memory initialization might be integrated into KASAN,
+	 * KASAN poisoning and memory initialization code must be
+	 * kept together to avoid discrepancies in behavior.
+	 *
+	 * With hardware tag-based KASAN, memory tags must be set before the
+	 * page becomes unavailable via debug_pagealloc or arch_free_page.
+	 */
+	if (!skip_kasan_poison) {
+		kasan_poison_pages(page, order, init);
+
+		/* Memory is already initialized if KASAN did it internally. */
+		if (kasan_has_integrated_init())
+			init = false;
+	}
+	if (init)
 		kernel_init_free_pages(page, 1 << order);
 
-	kernel_poison_pages(page, 1 << order, 0);
 	/*
 	 * arch_free_page() can make the page's contents inaccessible.  s390
 	 * does this.  So nothing which can access the page's contents should
@@ -1274,10 +1383,7 @@
 	 */
 	arch_free_page(page, order);
 
-	if (debug_pagealloc_enabled_static())
-		kernel_map_pages(page, 1 << order, 0);
-
-	kasan_free_nondeferred_pages(page, order);
+	debug_pagealloc_unmap_pages(page, 1 << order);
 
 	return true;
 }
@@ -1290,7 +1396,7 @@
  */
 static bool free_pcp_prepare(struct page *page)
 {
-	return free_pages_prepare(page, 0, true);
+	return free_pages_prepare(page, 0, true, FPI_NONE);
 }
 
 static bool bulkfree_pcp_prepare(struct page *page)
@@ -1310,9 +1416,9 @@
 static bool free_pcp_prepare(struct page *page)
 {
 	if (debug_pagealloc_enabled_static())
-		return free_pages_prepare(page, 0, true);
+		return free_pages_prepare(page, 0, true, FPI_NONE);
 	else
-		return free_pages_prepare(page, 0, false);
+		return free_pages_prepare(page, 0, false, FPI_NONE);
 }
 
 static bool bulkfree_pcp_prepare(struct page *page)
@@ -1428,13 +1534,15 @@
 				unsigned int order,
 				int migratetype, fpi_t fpi_flags)
 {
-	spin_lock(&zone->lock);
+	unsigned long flags;
+
+	spin_lock_irqsave(&zone->lock, flags);
 	if (unlikely(has_isolate_pageblock(zone) ||
 		is_migrate_isolate(migratetype))) {
 		migratetype = get_pfnblock_migratetype(page, pfn);
 	}
 	__free_one_page(page, pfn, zone, order, migratetype, fpi_flags);
-	spin_unlock(&zone->lock);
+	spin_unlock_irqrestore(&zone->lock, flags);
 }
 
 static void __meminit __init_single_page(struct page *page, unsigned long pfn,
@@ -1518,7 +1626,7 @@
 	int migratetype;
 	unsigned long pfn = page_to_pfn(page);
 
-	if (!free_pages_prepare(page, order, true))
+	if (!free_pages_prepare(page, order, true, fpi_flags))
 		return;
 
 	migratetype = get_pfnblock_migratetype(page, pfn);
@@ -1555,7 +1663,7 @@
 	 * Bypass PCP and place fresh pages right to the tail, primarily
 	 * relevant for memory onlining.
 	 */
-	__free_pages_ok(page, order, FPI_TO_TAIL);
+	__free_pages_ok(page, order, FPI_TO_TAIL | FPI_SKIP_KASAN_POISON);
 }
 
 #ifdef CONFIG_NEED_MULTIPLE_NODES
@@ -2143,6 +2251,7 @@
 	}
 
 	adjust_managed_page_count(page, pageblock_nr_pages);
+	page_zone(page)->cma_pages += pageblock_nr_pages;
 }
 #endif
 
@@ -2209,12 +2318,6 @@
 	return 1;
 }
 
-static inline bool free_pages_prezeroed(void)
-{
-	return (IS_ENABLED(CONFIG_PAGE_POISONING_ZERO) &&
-		page_poisoning_enabled()) || want_init_on_free();
-}
-
 #ifdef CONFIG_DEBUG_VM
 /*
  * With DEBUG_VM enabled, order-0 pages are checked for expected state when
@@ -2265,17 +2368,91 @@
 	return false;
 }
 
+static inline bool should_skip_kasan_unpoison(gfp_t flags, bool init_tags)
+{
+	/* Don't skip if a software KASAN mode is enabled. */
+	if (IS_ENABLED(CONFIG_KASAN_GENERIC) ||
+	    IS_ENABLED(CONFIG_KASAN_SW_TAGS))
+		return false;
+
+	/* Skip, if hardware tag-based KASAN is not enabled. */
+	if (!kasan_hw_tags_enabled())
+		return true;
+
+	/*
+	 * With hardware tag-based KASAN enabled, skip if either:
+	 *
+	 * 1. Memory tags have already been cleared via tag_clear_highpage().
+	 * 2. Skipping has been requested via __GFP_SKIP_KASAN_UNPOISON.
+	 */
+	return init_tags || (flags & __GFP_SKIP_KASAN_UNPOISON);
+}
+
+static inline bool should_skip_init(gfp_t flags)
+{
+	/* Don't skip, if hardware tag-based KASAN is not enabled. */
+	if (!kasan_hw_tags_enabled())
+		return false;
+
+	/* For hardware tag-based KASAN, skip if requested. */
+	return (flags & __GFP_SKIP_ZERO);
+}
+
 inline void post_alloc_hook(struct page *page, unsigned int order,
 				gfp_t gfp_flags)
 {
+	bool init = !want_init_on_free() && want_init_on_alloc(gfp_flags) &&
+			!should_skip_init(gfp_flags);
+	bool init_tags = init && (gfp_flags & __GFP_ZEROTAGS);
+
 	set_page_private(page, 0);
 	set_page_refcounted(page);
 
 	arch_alloc_page(page, order);
-	if (debug_pagealloc_enabled_static())
-		kernel_map_pages(page, 1 << order, 1);
-	kasan_alloc_pages(page, order);
-	kernel_poison_pages(page, 1 << order, 1);
+	debug_pagealloc_map_pages(page, 1 << order);
+
+	/*
+	 * Page unpoisoning must happen before memory initialization.
+	 * Otherwise, the poison pattern will be overwritten for __GFP_ZERO
+	 * allocations and the page unpoisoning code will complain.
+	 */
+	kernel_unpoison_pages(page, 1 << order);
+
+	/*
+	 * As memory initialization might be integrated into KASAN,
+	 * KASAN unpoisoning and memory initializion code must be
+	 * kept together to avoid discrepancies in behavior.
+	 */
+
+	/*
+	 * If memory tags should be zeroed (which happens only when memory
+	 * should be initialized as well).
+	 */
+	if (init_tags) {
+		int i;
+
+		/* Initialize both memory and tags. */
+		for (i = 0; i != 1 << order; ++i)
+			tag_clear_highpage(page + i);
+
+		/* Note that memory is already initialized by the loop above. */
+		init = false;
+	}
+	if (!should_skip_kasan_unpoison(gfp_flags, init_tags)) {
+		/* Unpoison shadow memory or set memory tags. */
+		kasan_unpoison_pages(page, order, init);
+
+		/* Note that memory is already initialized by KASAN. */
+		if (kasan_has_integrated_init())
+			init = false;
+	}
+	/* If memory is still not initialized, do it now. */
+	if (init)
+		kernel_init_free_pages(page, 1 << order);
+	/* Propagate __GFP_SKIP_KASAN_POISON to page flags. */
+	if (kasan_hw_tags_enabled() && (gfp_flags & __GFP_SKIP_KASAN_POISON))
+		SetPageSkipKASanPoison(page);
+
 	set_page_owner(page, order, gfp_flags);
 }
 
@@ -2284,9 +2461,6 @@
 {
 	post_alloc_hook(page, order, gfp_flags);
 
-	if (!free_pages_prezeroed() && want_init_on_alloc(gfp_flags))
-		kernel_init_free_pages(page, 1 << order);
-
 	if (order && (gfp_flags & __GFP_COMP))
 		prep_compound_page(page, order);
 
@@ -2846,36 +3020,35 @@
 {
 	struct page *page;
 
-	if (IS_ENABLED(CONFIG_CMA)) {
-		/*
-		 * Balance movable allocations between regular and CMA areas by
-		 * allocating from CMA when over half of the zone's free memory
-		 * is in the CMA area.
-		 */
-		if (alloc_flags & ALLOC_CMA &&
-		    zone_page_state(zone, NR_FREE_CMA_PAGES) >
-		    zone_page_state(zone, NR_FREE_PAGES) / 2) {
-			page = __rmqueue_cma_fallback(zone, order);
-			if (page)
-				goto out;
-		}
-	}
 retry:
 	page = __rmqueue_smallest(zone, order, migratetype);
-	if (unlikely(!page)) {
-		if (alloc_flags & ALLOC_CMA)
-			page = __rmqueue_cma_fallback(zone, order);
 
-		if (!page && __rmqueue_fallback(zone, order, migratetype,
-								alloc_flags))
-			goto retry;
-	}
-out:
-	if (page)
-		trace_mm_page_alloc_zone_locked(page, order, migratetype);
+	if (unlikely(!page) && __rmqueue_fallback(zone, order, migratetype,
+						  alloc_flags))
+		goto retry;
+
+	trace_mm_page_alloc_zone_locked(page, order, migratetype);
 	return page;
 }
 
+#ifdef CONFIG_CMA
+static struct page *__rmqueue_cma(struct zone *zone, unsigned int order,
+				  int migratetype,
+				  unsigned int alloc_flags)
+{
+	struct page *page = __rmqueue_cma_fallback(zone, order);
+	trace_mm_page_alloc_zone_locked(page, order, MIGRATE_CMA);
+	return page;
+}
+#else
+static inline struct page *__rmqueue_cma(struct zone *zone, unsigned int order,
+					 int migratetype,
+					 unsigned int alloc_flags)
+{
+	return NULL;
+}
+#endif
+
 /*
  * Obtain a specified number of elements from the buddy allocator, all under
  * a single hold of the lock, for efficiency.  Add them to the supplied list.
@@ -2889,8 +3062,18 @@
 
 	spin_lock(&zone->lock);
 	for (i = 0; i < count; ++i) {
-		struct page *page = __rmqueue(zone, order, migratetype,
-								alloc_flags);
+		struct page *page = NULL;
+
+		if (is_migrate_cma(migratetype)) {
+			bool is_cma_alloc = true;
+
+			trace_android_vh_cma_alloc_adjust(zone, &is_cma_alloc);
+			if (is_cma_alloc)
+				page = __rmqueue_cma(zone, order, migratetype,
+					     alloc_flags);
+		} else
+			page = __rmqueue(zone, order, migratetype, alloc_flags);
+
 		if (unlikely(page == NULL))
 			break;
 
@@ -2925,57 +3108,81 @@
 	return alloced;
 }
 
+/*
+ * Return the pcp list that corresponds to the migrate type if that list isn't
+ * empty.
+ * If the list is empty return NULL.
+ */
+static struct list_head *get_populated_pcp_list(struct zone *zone,
+			unsigned int order, struct per_cpu_pages *pcp,
+			int migratetype, unsigned int alloc_flags)
+{
+	struct list_head *list = &pcp->lists[migratetype];
+
+	if (list_empty(list)) {
+		pcp->count += rmqueue_bulk(zone, order,
+				pcp->batch, list,
+				migratetype, alloc_flags);
+
+		if (list_empty(list))
+			list = NULL;
+	}
+	return list;
+}
+
 #ifdef CONFIG_NUMA
 /*
  * Called from the vmstat counter updater to drain pagesets of this
  * currently executing processor on remote nodes after they have
  * expired.
- *
- * Note that this function must be called with the thread pinned to
- * a single processor.
  */
 void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
 {
-	unsigned long flags;
 	int to_drain, batch;
 
-	local_irq_save(flags);
 	batch = READ_ONCE(pcp->batch);
 	to_drain = min(pcp->count, batch);
-	if (to_drain > 0)
+	if (to_drain > 0) {
+		unsigned long flags;
+		struct per_cpu_pageset_ext *ps_ext = pcp_to_pageset_ext(pcp);
+
+		/*
+		 * free_pcppages_bulk expects IRQs disabled for zone->lock
+		 * so even though pcp->lock is not intended to be IRQ-safe,
+		 * it's needed in this context.
+		 */
+		spin_lock_irqsave(&ps_ext->lock, flags);
 		free_pcppages_bulk(zone, to_drain, pcp);
-	local_irq_restore(flags);
+		spin_unlock_irqrestore(&ps_ext->lock, flags);
+	}
 }
 #endif
 
 /*
  * Drain pcplists of the indicated processor and zone.
- *
- * The processor must either be the current processor and the
- * thread pinned to the current processor or a processor that
- * is not online.
  */
 static void drain_pages_zone(unsigned int cpu, struct zone *zone)
 {
-	unsigned long flags;
 	struct per_cpu_pageset *pset;
+	struct per_cpu_pageset_ext *ps_ext;
 	struct per_cpu_pages *pcp;
 
-	local_irq_save(flags);
 	pset = per_cpu_ptr(zone->pageset, cpu);
+	ps_ext = pageset_to_pageset_ext(pset);
 
 	pcp = &pset->pcp;
-	if (pcp->count)
+	if (pcp->count) {
+		unsigned long flags;
+
+		/* See drain_zone_pages on why this is disabling IRQs */
+		spin_lock_irqsave(&ps_ext->lock, flags);
 		free_pcppages_bulk(zone, pcp->count, pcp);
-	local_irq_restore(flags);
+		spin_unlock_irqrestore(&ps_ext->lock, flags);
+	}
 }
 
 /*
  * Drain pcplists of all zones on the indicated processor.
- *
- * The processor must either be the current processor and the
- * thread pinned to the current processor or a processor that
- * is not online.
  */
 static void drain_pages(unsigned int cpu)
 {
@@ -2988,9 +3195,6 @@
 
 /*
  * Spill all of this CPU's per-cpu pages back into the buddy allocator.
- *
- * The CPU has to be pinned. When zone parameter is non-NULL, spill just
- * the single zone's pages.
  */
 void drain_local_pages(struct zone *zone)
 {
@@ -3002,30 +3206,10 @@
 		drain_pages(cpu);
 }
 
-static void drain_local_pages_wq(struct work_struct *work)
-{
-	struct pcpu_drain *drain;
-
-	drain = container_of(work, struct pcpu_drain, work);
-
-	/*
-	 * drain_all_pages doesn't use proper cpu hotplug protection so
-	 * we can race with cpu offline when the WQ can move this from
-	 * a cpu pinned worker to an unbound one. We can operate on a different
-	 * cpu which is allright but we also have to make sure to not move to
-	 * a different one.
-	 */
-	preempt_disable();
-	drain_local_pages(drain->zone);
-	preempt_enable();
-}
-
 /*
  * Spill all the per-cpu pages from all CPUs back into the buddy allocator.
  *
  * When zone parameter is non-NULL, spill just the single zone's pages.
- *
- * Note that this can be extremely slow as the draining happens in a workqueue.
  */
 void drain_all_pages(struct zone *zone)
 {
@@ -3038,13 +3222,6 @@
 	static cpumask_t cpus_with_pcps;
 
 	/*
-	 * Make sure nobody triggers this path before mm_percpu_wq is fully
-	 * initialized.
-	 */
-	if (WARN_ON_ONCE(!mm_percpu_wq))
-		return;
-
-	/*
 	 * Do not drain if one is already in progress unless it's specific to
 	 * a zone. Such callers are primarily CMA and memory hotplug and need
 	 * the drain to be complete when the call returns.
@@ -3087,14 +3264,12 @@
 	}
 
 	for_each_cpu(cpu, &cpus_with_pcps) {
-		struct pcpu_drain *drain = per_cpu_ptr(&pcpu_drain, cpu);
-
-		drain->zone = zone;
-		INIT_WORK(&drain->work, drain_local_pages_wq);
-		queue_work_on(cpu, mm_percpu_wq, &drain->work);
+		if (zone) {
+			drain_pages_zone(cpu, zone);
+		} else {
+			drain_pages(cpu);
+		}
 	}
-	for_each_cpu(cpu, &cpus_with_pcps)
-		flush_work(&per_cpu_ptr(&pcpu_drain, cpu)->work);
 
 	mutex_unlock(&pcpu_drain_mutex);
 }
@@ -3166,38 +3341,41 @@
 	return true;
 }
 
-static void free_unref_page_commit(struct page *page, unsigned long pfn)
+/* Returns true if the page was committed to the per-cpu list. */
+static bool free_unref_page_commit(struct page *page, int migratetype,
+				   bool locked)
 {
 	struct zone *zone = page_zone(page);
 	struct per_cpu_pages *pcp;
-	int migratetype;
+	struct per_cpu_pageset_ext *ps_ext;
+	unsigned long __maybe_unused UP_flags;
 
-	migratetype = get_pcppage_migratetype(page);
 	__count_vm_event(PGFREE);
+	pcp = &this_cpu_ptr(zone->pageset)->pcp;
+	ps_ext = pcp_to_pageset_ext(pcp);
 
-	/*
-	 * We only track unmovable, reclaimable and movable on pcp lists.
-	 * Free ISOLATE pages back to the allocator because they are being
-	 * offlined but treat HIGHATOMIC as movable pages so we can get those
-	 * areas back if necessary. Otherwise, we may have to free
-	 * excessively into the page allocator
-	 */
-	if (migratetype >= MIGRATE_PCPTYPES) {
-		if (unlikely(is_migrate_isolate(migratetype))) {
-			free_one_page(zone, page, pfn, 0, migratetype,
-				      FPI_NONE);
-			return;
+	if (!locked) {
+		/* Protect against a parallel drain. */
+		pcp_trylock_prepare(UP_flags);
+		if (!spin_trylock(&ps_ext->lock)) {
+			pcp_trylock_finish(UP_flags);
+			return false;
 		}
-		migratetype = MIGRATE_MOVABLE;
 	}
 
-	pcp = &this_cpu_ptr(zone->pageset)->pcp;
 	list_add(&page->lru, &pcp->lists[migratetype]);
 	pcp->count++;
 	if (pcp->count >= pcp->high) {
 		unsigned long batch = READ_ONCE(pcp->batch);
 		free_pcppages_bulk(zone, batch, pcp);
 	}
+
+	if (!locked) {
+		spin_unlock(&ps_ext->lock);
+		pcp_trylock_finish(UP_flags);
+	}
+
+	return true;
 }
 
 /*
@@ -3207,13 +3385,36 @@
 {
 	unsigned long flags;
 	unsigned long pfn = page_to_pfn(page);
+	int migratetype;
+	bool freed_pcp = false;
 
 	if (!free_unref_page_prepare(page, pfn))
 		return;
 
+	/*
+	 * We only track unmovable, reclaimable, movable and cma on pcp lists.
+	 * Place ISOLATE pages on the isolated list because they are being
+	 * offlined but treat HIGHATOMIC as movable pages so we can get those
+	 * areas back if necessary. Otherwise, we may have to free
+	 * excessively into the page allocator
+	 */
+	migratetype = get_pcppage_migratetype(page);
+	if (unlikely(migratetype > MIGRATE_RECLAIMABLE)) {
+		if (unlikely(is_migrate_isolate(migratetype))) {
+			free_one_page(page_zone(page), page, pfn, 0, migratetype, FPI_NONE);
+			return;
+		}
+		if (migratetype == MIGRATE_HIGHATOMIC)
+			migratetype = MIGRATE_MOVABLE;
+	}
+
 	local_irq_save(flags);
-	free_unref_page_commit(page, pfn);
+	freed_pcp = free_unref_page_commit(page, migratetype, false);
 	local_irq_restore(flags);
+
+	if (unlikely(!freed_pcp))
+		free_one_page(page_zone(page), page, pfn, 0, migratetype,
+			      FPI_NONE);
 }
 
 /*
@@ -3222,35 +3423,107 @@
 void free_unref_page_list(struct list_head *list)
 {
 	struct page *page, *next;
-	unsigned long flags, pfn;
+	struct per_cpu_pageset_ext *ps_ext;
+	struct per_cpu_pages *pcp;
+	struct zone *locked_zone;
+	unsigned long flags;
 	int batch_count = 0;
+	int migratetype;
+
+	/*
+	 * An empty list is possible. Check early so that the later
+	 * lru_to_page() does not potentially read garbage.
+	 */
+	if (list_empty(list))
+		return;
 
 	/* Prepare pages for freeing */
 	list_for_each_entry_safe(page, next, list, lru) {
-		pfn = page_to_pfn(page);
-		if (!free_unref_page_prepare(page, pfn))
+		unsigned long pfn = page_to_pfn(page);
+		if (!free_unref_page_prepare(page, pfn)) {
 			list_del(&page->lru);
-		set_page_private(page, pfn);
+			continue;
+		}
+
+		/*
+		 * Free isolated pages directly to the allocator, see
+		 * comment in free_unref_page.
+		 */
+		migratetype = get_pcppage_migratetype(page);
+		if (unlikely(migratetype > MIGRATE_RECLAIMABLE)) {
+			if (unlikely(is_migrate_isolate(migratetype))) {
+				list_del(&page->lru);
+				free_one_page(page_zone(page), page, pfn, 0,
+							migratetype, FPI_NONE);
+				continue;
+			}
+
+			/*
+			 * Non-isolated types over MIGRATE_RECLAIMABLE get added
+			 * to the MIGRATE_MOVABLE pcp list.
+			 */
+			if (migratetype == MIGRATE_HIGHATOMIC)
+				set_pcppage_migratetype(page, MIGRATE_MOVABLE);
+		}
 	}
 
-	local_irq_save(flags);
-	list_for_each_entry_safe(page, next, list, lru) {
-		unsigned long pfn = page_private(page);
+	/*
+	 * Preparation could have drained the list due to failing to prepare
+	 * or all pages are being isolated.
+	 */
+	if (list_empty(list))
+		return;
 
-		set_page_private(page, 0);
+	VM_BUG_ON(in_irq());
+
+	local_irq_save(flags);
+
+	page = lru_to_page(list);
+	locked_zone = page_zone(page);
+	pcp = &this_cpu_ptr(locked_zone->pageset)->pcp;
+	ps_ext = pcp_to_pageset_ext(pcp);
+	spin_lock(&ps_ext->lock);
+
+	list_for_each_entry_safe(page, next, list, lru) {
+		struct zone *zone = page_zone(page);
+
+		/* Different zone, different pcp lock. */
+		if (zone != locked_zone) {
+			spin_unlock(&ps_ext->lock);
+			locked_zone = zone;
+			pcp = &this_cpu_ptr(zone->pageset)->pcp;
+			ps_ext = pcp_to_pageset_ext(pcp);
+			spin_lock(&ps_ext->lock);
+		}
+
+		migratetype = get_pcppage_migratetype(page);
 		trace_mm_page_free_batched(page);
-		free_unref_page_commit(page, pfn);
+
+		/*
+		 * If there is a parallel drain in progress, free to the buddy
+		 * allocator directly. This is expensive as the zone lock will
+		 * be acquired multiple times but if a drain is in progress
+		 * then an expensive operation is already taking place.
+		 */
+		if (!free_unref_page_commit(page, migratetype, true))
+			free_one_page(page_zone(page), page, page_to_pfn(page),
+				      0, migratetype, FPI_NONE);
 
 		/*
 		 * Guard against excessive IRQ disabled times when we get
 		 * a large list of pages to free.
 		 */
 		if (++batch_count == SWAP_CLUSTER_MAX) {
+			spin_unlock(&ps_ext->lock);
 			local_irq_restore(flags);
 			batch_count = 0;
 			local_irq_save(flags);
+			pcp = &this_cpu_ptr(locked_zone->pageset)->pcp;
+			ps_ext = pcp_to_pageset_ext(pcp);
+			spin_lock(&ps_ext->lock);
 		}
 	}
+	spin_unlock(&ps_ext->lock);
 	local_irq_restore(flags);
 }
 
@@ -3372,21 +3645,100 @@
 #endif
 }
 
+static __always_inline
+struct page *rmqueue_buddy(struct zone *preferred_zone, struct zone *zone,
+			   unsigned int order, unsigned int alloc_flags,
+			   int migratetype)
+{
+	struct page *page;
+	unsigned long flags;
+
+	do {
+		page = NULL;
+		spin_lock_irqsave(&zone->lock, flags);
+		/*
+		 * order-0 request can reach here when the pcplist is skipped
+		 * due to non-CMA allocation context. HIGHATOMIC area is
+		 * reserved for high-order atomic allocation, so order-0
+		 * request should skip it.
+		 */
+		if (order > 0 && alloc_flags & ALLOC_HARDER) {
+			page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC);
+			if (page)
+				trace_mm_page_alloc_zone_locked(page, order, migratetype);
+		}
+		if (!page) {
+			if (migratetype == MIGRATE_MOVABLE &&
+					alloc_flags & ALLOC_CMA)
+				page = __rmqueue_cma(zone, order, migratetype,
+						     alloc_flags);
+			if (!page)
+				page = __rmqueue(zone, order, migratetype,
+						 alloc_flags);
+		}
+		if (!page) {
+			spin_unlock_irqrestore(&zone->lock, flags);
+			return NULL;
+		}
+
+		__mod_zone_freepage_state(zone, -(1 << order),
+					  get_pcppage_migratetype(page));
+		spin_unlock_irqrestore(&zone->lock, flags);
+	} while (check_new_pages(page, order));
+
+	__count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
+	zone_statistics(preferred_zone, zone);
+
+	return page;
+}
+
 /* Remove page from the per-cpu list, caller must protect the list */
 static struct page *__rmqueue_pcplist(struct zone *zone, int migratetype,
 			unsigned int alloc_flags,
 			struct per_cpu_pages *pcp,
-			struct list_head *list)
+			gfp_t gfp_flags, bool locked)
 {
-	struct page *page;
+	struct page *page = NULL;
+	unsigned long __maybe_unused UP_flags;
+	struct list_head *list = NULL;
+	struct per_cpu_pageset_ext *ps_ext = pcp_to_pageset_ext(pcp);
+
+	/*
+	 * spin_trylock is not necessary right now due to due to
+	 * local_lock_irqsave and is a preparation step for
+	 * a conversion to local_lock using the trylock to prevent
+	 * IRQ re-entrancy. If pcp->lock cannot be acquired, the caller
+	 * uses rmqueue_buddy.
+	 * TODO: Convert local_lock_irqsave to local_lock.
+	 */
+	if (unlikely(!locked)) {
+		pcp_trylock_prepare(UP_flags);
+		if (!spin_trylock(&ps_ext->lock)) {
+			pcp_trylock_finish(UP_flags);
+			return NULL;
+		}
+	}
 
 	do {
-		if (list_empty(list)) {
-			pcp->count += rmqueue_bulk(zone, 0,
-					pcp->batch, list,
+		/* First try to get CMA pages */
+		if (migratetype == MIGRATE_MOVABLE &&
+				alloc_flags & ALLOC_CMA) {
+			list = get_populated_pcp_list(zone, 0, pcp,
+					get_cma_migrate_type(), alloc_flags);
+		}
+
+		if (list == NULL) {
+			/*
+			 * Either CMA is not suitable or there are no
+			 * free CMA pages.
+			 */
+			list = get_populated_pcp_list(zone, 0, pcp,
 					migratetype, alloc_flags);
-			if (unlikely(list_empty(list)))
-				return NULL;
+			if (unlikely(list == NULL) ||
+					unlikely(list_empty(list))) {
+				page = NULL;
+				goto out;
+			}
 		}
 
 		page = list_first_entry(list, struct page, lru);
@@ -3394,6 +3746,12 @@
 		pcp->count--;
 	} while (check_new_pcp(page));
 
+out:
+	if (!locked) {
+		spin_unlock(&ps_ext->lock);
+		pcp_trylock_finish(UP_flags);
+	}
+
 	return page;
 }
 
@@ -3403,14 +3761,13 @@
 			int migratetype, unsigned int alloc_flags)
 {
 	struct per_cpu_pages *pcp;
-	struct list_head *list;
 	struct page *page;
 	unsigned long flags;
 
 	local_irq_save(flags);
 	pcp = &this_cpu_ptr(zone->pageset)->pcp;
-	list = &pcp->lists[migratetype];
-	page = __rmqueue_pcplist(zone,  migratetype, alloc_flags, pcp, list);
+	page = __rmqueue_pcplist(zone,  migratetype, alloc_flags, pcp,
+				 gfp_flags, false);
 	if (page) {
 		__count_zid_vm_events(PGALLOC, page_zonenum(page), 1);
 		zone_statistics(preferred_zone, zone);
@@ -3428,20 +3785,13 @@
 			gfp_t gfp_flags, unsigned int alloc_flags,
 			int migratetype)
 {
-	unsigned long flags;
 	struct page *page;
 
 	if (likely(order == 0)) {
-		/*
-		 * MIGRATE_MOVABLE pcplist could have the pages on CMA area and
-		 * we need to skip it when CMA area isn't allowed.
-		 */
-		if (!IS_ENABLED(CONFIG_CMA) || alloc_flags & ALLOC_CMA ||
-				migratetype != MIGRATE_MOVABLE) {
-			page = rmqueue_pcplist(preferred_zone, zone, gfp_flags,
-					migratetype, alloc_flags);
+		page = rmqueue_pcplist(preferred_zone, zone, gfp_flags,
+				       migratetype, alloc_flags);
+		if (page)
 			goto out;
-		}
 	}
 
 	/*
@@ -3449,33 +3799,14 @@
 	 * allocate greater than order-1 page units with __GFP_NOFAIL.
 	 */
 	WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1));
-	spin_lock_irqsave(&zone->lock, flags);
 
-	do {
-		page = NULL;
-		/*
-		 * order-0 request can reach here when the pcplist is skipped
-		 * due to non-CMA allocation context. HIGHATOMIC area is
-		 * reserved for high-order atomic allocation, so order-0
-		 * request should skip it.
-		 */
-		if (order > 0 && alloc_flags & ALLOC_HARDER) {
-			page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC);
-			if (page)
-				trace_mm_page_alloc_zone_locked(page, order, migratetype);
-		}
-		if (!page)
-			page = __rmqueue(zone, order, migratetype, alloc_flags);
-	} while (page && check_new_pages(page, order));
-	spin_unlock(&zone->lock);
-	if (!page)
-		goto failed;
-	__mod_zone_freepage_state(zone, -(1 << order),
-				  get_pcppage_migratetype(page));
+	page = rmqueue_buddy(preferred_zone, zone, order, alloc_flags,
+							  migratetype);
+	if (unlikely(!page))
+		return NULL;
 
-	__count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
-	zone_statistics(preferred_zone, zone);
-	local_irq_restore(flags);
+	trace_android_vh_rmqueue(preferred_zone, zone, order,
+			gfp_flags, alloc_flags, migratetype);
 
 out:
 	/* Separate test+clear to avoid unnecessary atomics */
@@ -3486,10 +3817,6 @@
 
 	VM_BUG_ON_PAGE(page && bad_range(zone, page), page);
 	return page;
-
-failed:
-	local_irq_restore(flags);
-	return NULL;
 }
 
 #ifdef CONFIG_FAIL_PAGE_ALLOC
@@ -3643,6 +3970,14 @@
 			continue;
 
 		for (mt = 0; mt < MIGRATE_PCPTYPES; mt++) {
+#ifdef CONFIG_CMA
+			/*
+			 * Note that this check is needed only
+			 * when MIGRATE_CMA < MIGRATE_PCPTYPES.
+			 */
+			if (mt == MIGRATE_CMA)
+				continue;
+#endif
 			if (!free_area_empty(area, mt))
 				return true;
 		}
@@ -3780,9 +4115,15 @@
 {
 #ifdef CONFIG_CMA
 	unsigned int pflags = current->flags;
+	bool bypass = false;
+
+	trace_android_vh_calc_alloc_flags(pflags, gfp_mask, &alloc_flags, &bypass);
+	if (bypass)
+		return alloc_flags;
 
 	if (!(pflags & PF_MEMALLOC_NOCMA) &&
-			gfp_migratetype(gfp_mask) == MIGRATE_MOVABLE)
+			gfp_migratetype(gfp_mask) == MIGRATE_MOVABLE &&
+			gfp_mask & __GFP_CMA)
 		alloc_flags |= ALLOC_CMA;
 
 #endif
@@ -4352,13 +4693,12 @@
 					const struct alloc_context *ac)
 {
 	unsigned int noreclaim_flag;
-	unsigned long pflags, progress;
+	unsigned long progress;
 
 	cond_resched();
 
 	/* We now go into synchronous reclaim */
 	cpuset_memory_pressure_bump();
-	psi_memstall_enter(&pflags);
 	fs_reclaim_acquire(gfp_mask);
 	noreclaim_flag = memalloc_noreclaim_save();
 
@@ -4367,7 +4707,6 @@
 
 	memalloc_noreclaim_restore(noreclaim_flag);
 	fs_reclaim_release(gfp_mask);
-	psi_memstall_leave(&pflags);
 
 	cond_resched();
 
@@ -4381,11 +4720,13 @@
 		unsigned long *did_some_progress)
 {
 	struct page *page = NULL;
+	unsigned long pflags;
 	bool drained = false;
 
+	psi_memstall_enter(&pflags);
 	*did_some_progress = __perform_reclaim(gfp_mask, order, ac);
 	if (unlikely(!(*did_some_progress)))
-		return NULL;
+		goto out;
 
 retry:
 	page = get_page_from_freelist(gfp_mask, order, alloc_flags, ac);
@@ -4401,6 +4742,8 @@
 		drained = true;
 		goto retry;
 	}
+out:
+	psi_memstall_leave(&pflags);
 
 	return page;
 }
@@ -4655,7 +4998,7 @@
 	unsigned int cpuset_mems_cookie;
 	unsigned int zonelist_iter_cookie;
 	int reserve_flags;
-
+	unsigned long alloc_start = jiffies;
 	/*
 	 * We also sanity check to catch abuse of atomic reserves being used by
 	 * callers that are not in atomic context.
@@ -4788,6 +5131,12 @@
 	if (current->flags & PF_MEMALLOC)
 		goto nopage;
 
+	trace_android_vh_alloc_pages_reclaim_bypass(gfp_mask, order,
+		alloc_flags, ac->migratetype, &page);
+
+	if (page)
+		goto got_pg;
+
 	/* Try direct reclaim and then allocating */
 	page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac,
 							&did_some_progress);
@@ -4903,9 +5252,15 @@
 		goto retry;
 	}
 fail:
+	trace_android_vh_alloc_pages_failure_bypass(gfp_mask, order,
+		alloc_flags, ac->migratetype, &page);
+	if (page)
+		goto got_pg;
+
 	warn_alloc(gfp_mask, ac->nodemask,
 			"page allocation failure: order:%u", order);
 got_pg:
+	trace_android_vh_alloc_pages_slowpath(gfp_mask, order, alloc_start);
 	return page;
 }
 
@@ -5965,7 +6320,7 @@
  * Other parts of the kernel may not check if the zone is available.
  */
 static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch);
-static DEFINE_PER_CPU(struct per_cpu_pageset, boot_pageset);
+static DEFINE_PER_CPU(struct per_cpu_pageset_ext, boot_pageset);
 static DEFINE_PER_CPU(struct per_cpu_nodestat, boot_nodestats);
 
 static void __build_all_zonelists(void *data)
@@ -6047,7 +6402,7 @@
 	 * (a chicken-egg dilemma).
 	 */
 	for_each_possible_cpu(cpu)
-		setup_pageset(&per_cpu(boot_pageset, cpu), 0);
+		setup_pageset(&per_cpu(boot_pageset, cpu).pageset, 0);
 
 	mminit_verify_zonelist();
 	cpuset_init_current_mems_allowed();
@@ -6466,11 +6821,14 @@
 static void pageset_init(struct per_cpu_pageset *p)
 {
 	struct per_cpu_pages *pcp;
+	struct per_cpu_pageset_ext *ps_ext;
 	int migratetype;
 
 	memset(p, 0, sizeof(*p));
 
+	ps_ext = pageset_to_pageset_ext(p);
 	pcp = &p->pcp;
+	spin_lock_init(&ps_ext->lock);
 	for (migratetype = 0; migratetype < MIGRATE_PCPTYPES; migratetype++)
 		INIT_LIST_HEAD(&pcp->lists[migratetype]);
 }
@@ -6517,7 +6875,10 @@
 void __meminit setup_zone_pageset(struct zone *zone)
 {
 	int cpu;
-	zone->pageset = alloc_percpu(struct per_cpu_pageset);
+	struct per_cpu_pageset_ext *ps_ext;
+
+	ps_ext = alloc_percpu(struct per_cpu_pageset_ext);
+	zone->pageset = &ps_ext->pageset;
 	for_each_possible_cpu(cpu)
 		zone_pageset_init(zone, cpu);
 }
@@ -6543,7 +6904,7 @@
 	 * the nodes these zones are associated with.
 	 */
 	for_each_possible_cpu(cpu) {
-		struct per_cpu_pageset *pcp = &per_cpu(boot_pageset, cpu);
+		struct per_cpu_pageset *pcp = &per_cpu(boot_pageset, cpu).pageset;
 		memset(pcp->vm_numa_stat_diff, 0,
 		       sizeof(pcp->vm_numa_stat_diff));
 	}
@@ -6561,7 +6922,7 @@
 	 * relies on the ability of the linker to provide the
 	 * offset of a (static) per cpu variable into the per cpu area.
 	 */
-	zone->pageset = &boot_pageset;
+	zone->pageset = &boot_pageset.pageset;
 
 	if (populated_zone(zone))
 		printk(KERN_DEBUG "  %s zone: %lu pages, LIFO batch:%u\n",
@@ -7700,6 +8061,11 @@
 		 * alias for the memset().
 		 */
 		direct_map_addr = page_address(page);
+		/*
+		 * Perform a kasan-unchecked memset() since this memory
+		 * has not been initialized.
+		 */
+		direct_map_addr = kasan_reset_tag(direct_map_addr);
 		if ((unsigned int)poison <= 0xFF)
 			memset(direct_map_addr, poison, PAGE_SIZE);
 
@@ -8488,27 +8854,68 @@
 			     pageblock_nr_pages) - 1);
 }
 
-static unsigned long pfn_max_align_up(unsigned long pfn)
+unsigned long pfn_max_align_up(unsigned long pfn)
 {
 	return ALIGN(pfn, max_t(unsigned long, MAX_ORDER_NR_PAGES,
 				pageblock_nr_pages));
 }
 
+#if defined(CONFIG_DYNAMIC_DEBUG) || \
+	(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
+/* Usage: See admin-guide/dynamic-debug-howto.rst */
+static void alloc_contig_dump_pages(struct list_head *page_list)
+{
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, "migrate failure");
+
+	if (DYNAMIC_DEBUG_BRANCH(descriptor)) {
+		struct page *page;
+		unsigned long nr_skip = 0;
+		unsigned long nr_pages = 0;
+
+		dump_stack();
+		list_for_each_entry(page, page_list, lru) {
+			nr_pages++;
+			/* The page will be freed by putback_movable_pages soon */
+			if (page_count(page) == 1) {
+				nr_skip++;
+				continue;
+			}
+			dump_page(page, "migration failure");
+		}
+		pr_warn("total dump_pages %lu skipping %lu\n", nr_pages, nr_skip);
+	}
+}
+#else
+static inline void alloc_contig_dump_pages(struct list_head *page_list)
+{
+}
+#endif
+
 /* [start, end) must belong to a single zone. */
 static int __alloc_contig_migrate_range(struct compact_control *cc,
-					unsigned long start, unsigned long end)
+					unsigned long start, unsigned long end,
+					struct acr_info *info)
 {
 	/* This function is based on compact_zone() from compaction.c. */
 	unsigned int nr_reclaimed;
 	unsigned long pfn = start;
 	unsigned int tries = 0;
+	unsigned int max_tries = 5;
 	int ret = 0;
+	bool skip = false;
+
+	struct page *page;
 	struct migration_target_control mtc = {
 		.nid = zone_to_nid(cc->zone),
 		.gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
 	};
 
-	migrate_prep();
+	if (cc->alloc_contig && cc->mode == MIGRATE_ASYNC)
+		max_tries = 1;
+
+	trace_android_vh_skip_lru_disable(&skip);
+	if (!skip)
+		lru_cache_disable();
 
 	while (pfn < end || !list_empty(&cc->migratepages)) {
 		if (fatal_signal_pending(current)) {
@@ -8524,20 +8931,45 @@
 				break;
 			}
 			tries = 0;
-		} else if (++tries == 5) {
+		} else if (++tries == max_tries) {
 			ret = ret < 0 ? ret : -EBUSY;
 			break;
 		}
 
 		nr_reclaimed = reclaim_clean_pages_from_list(cc->zone,
 							&cc->migratepages);
+		info->nr_reclaimed += nr_reclaimed;
 		cc->nr_migratepages -= nr_reclaimed;
 
+		list_for_each_entry(page, &cc->migratepages, lru)
+			info->nr_mapped += page_mapcount(page);
+
 		ret = migrate_pages(&cc->migratepages, alloc_migration_target,
 				NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE);
+		if (!ret)
+			info->nr_migrated += cc->nr_migratepages;
 	}
+
+	if (!skip)
+		lru_cache_enable();
 	if (ret < 0) {
+		if (ret == -EBUSY) {
+			alloc_contig_dump_pages(&cc->migratepages);
+			list_for_each_entry(page, &cc->migratepages, lru) {
+				/* The page will be freed by putback_movable_pages soon */
+				if (page_count(page) == 1)
+					continue;
+				page_pinner_failure_detect(page);
+			}
+		}
+
+		if (!list_empty(&cc->migratepages)) {
+			page = list_first_entry(&cc->migratepages, struct page , lru);
+			info->failed_pfn = page_to_pfn(page);
+		}
+
 		putback_movable_pages(&cc->migratepages);
+		info->err |= ACR_ERR_MIGRATE;
 		return ret;
 	}
 	return 0;
@@ -8565,7 +8997,8 @@
  * need to be freed with free_contig_range().
  */
 int alloc_contig_range(unsigned long start, unsigned long end,
-		       unsigned migratetype, gfp_t gfp_mask)
+		       unsigned migratetype, gfp_t gfp_mask,
+		       struct acr_info *info)
 {
 	unsigned long outer_start, outer_end;
 	unsigned int order;
@@ -8575,7 +9008,7 @@
 		.nr_migratepages = 0,
 		.order = -1,
 		.zone = page_zone(pfn_to_page(start)),
-		.mode = MIGRATE_SYNC,
+		.mode = gfp_mask & __GFP_NORETRY ? MIGRATE_ASYNC : MIGRATE_SYNC,
 		.ignore_skip_hint = true,
 		.no_set_skip_hint = true,
 		.gfp_mask = current_gfp_context(gfp_mask),
@@ -8608,9 +9041,14 @@
 	 */
 
 	ret = start_isolate_page_range(pfn_max_align_down(start),
-				       pfn_max_align_up(end), migratetype, 0);
-	if (ret)
+				       pfn_max_align_up(end), migratetype, 0,
+				       &info->failed_pfn);
+	if (ret) {
+		info->err |= ACR_ERR_ISOLATE;
 		return ret;
+	}
+
+	drain_all_pages(cc.zone);
 
 	/*
 	 * In case of -EBUSY, we'd like to know which page causes problem.
@@ -8622,8 +9060,8 @@
 	 * allocated.  So, if we fall through be sure to clear ret so that
 	 * -EBUSY is not accidentally used or returned to caller.
 	 */
-	ret = __alloc_contig_migrate_range(&cc, start, end);
-	if (ret && ret != -EBUSY)
+	ret = __alloc_contig_migrate_range(&cc, start, end, info);
+	if (ret && (ret != -EBUSY || (gfp_mask & __GFP_NORETRY)))
 		goto done;
 	ret =0;
 
@@ -8644,8 +9082,6 @@
 	 * isolated thus they won't get removed from buddy.
 	 */
 
-	lru_add_drain_all();
-
 	order = 0;
 	outer_start = start;
 	while (!PageBuddy(pfn_to_page(outer_start))) {
@@ -8670,10 +9106,11 @@
 	}
 
 	/* Make sure the range is really isolated. */
-	if (test_pages_isolated(outer_start, end, 0)) {
+	if (test_pages_isolated(outer_start, end, 0, &info->failed_pfn)) {
 		pr_info_ratelimited("%s: [%lx, %lx) PFNs busy\n",
 			__func__, outer_start, end);
 		ret = -EBUSY;
+		info->err |= ACR_ERR_TEST;
 		goto done;
 	}
 
@@ -8700,10 +9137,11 @@
 static int __alloc_contig_pages(unsigned long start_pfn,
 				unsigned long nr_pages, gfp_t gfp_mask)
 {
+	struct acr_info dummy;
 	unsigned long end_pfn = start_pfn + nr_pages;
 
 	return alloc_contig_range(start_pfn, end_pfn, MIGRATE_MOVABLE,
-				  gfp_mask);
+				  gfp_mask, &dummy);
 }
 
 static bool pfn_range_valid_contig(struct zone *z, unsigned long start_pfn,
@@ -8832,13 +9270,13 @@
 
 	/* avoid races with drain_pages()  */
 	local_irq_save(flags);
-	if (zone->pageset != &boot_pageset) {
+	if (zone->pageset != &boot_pageset.pageset) {
 		for_each_online_cpu(cpu) {
 			pset = per_cpu_ptr(zone->pageset, cpu);
 			drain_zonestat(zone, pset);
 		}
 		free_percpu(zone->pageset);
-		zone->pageset = &boot_pageset;
+		zone->pageset = &boot_pageset.pageset;
 	}
 	local_irq_restore(flags);
 }
diff --git a/mm/page_ext.c b/mm/page_ext.c
index a3616f7..e5e31ff 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -58,13 +58,26 @@
  * can utilize this callback to initialize the state of it correctly.
  */
 
+#if defined(CONFIG_PAGE_IDLE_FLAG) && !defined(CONFIG_64BIT)
+static bool need_page_idle(void)
+{
+	return true;
+}
+struct page_ext_operations page_idle_ops = {
+	.need = need_page_idle,
+};
+#endif
+
 static struct page_ext_operations *page_ext_ops[] = {
 #ifdef CONFIG_PAGE_OWNER
 	&page_owner_ops,
 #endif
-#if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)
+#if defined(CONFIG_PAGE_IDLE_FLAG) && !defined(CONFIG_64BIT)
 	&page_idle_ops,
 #endif
+#ifdef CONFIG_PAGE_PINNER
+	&page_pinner_ops,
+#endif
 };
 
 unsigned long page_ext_size = sizeof(struct page_ext);
@@ -131,6 +144,7 @@
 					MAX_ORDER_NR_PAGES);
 	return get_entry(base, index);
 }
+EXPORT_SYMBOL_GPL(lookup_page_ext);
 
 static int __init alloc_node_page_ext(int nid)
 {
@@ -201,6 +215,7 @@
 		return NULL;
 	return get_entry(section->page_ext, pfn);
 }
+EXPORT_SYMBOL_GPL(lookup_page_ext);
 
 static void *__meminit alloc_page_ext(size_t size, int nid)
 {
diff --git a/mm/page_idle.c b/mm/page_idle.c
index 057c61d..b561323 100644
--- a/mm/page_idle.c
+++ b/mm/page_idle.c
@@ -92,10 +92,10 @@
 static void page_idle_clear_pte_refs(struct page *page)
 {
 	/*
-	 * Since rwc.arg is unused, rwc is effectively immutable, so we
-	 * can make it static const to save some cycles and stack.
+	 * Since rwc.try_lock is unused, rwc is effectively immutable, so we
+	 * can make it static to save some cycles and stack.
 	 */
-	static const struct rmap_walk_control rwc = {
+	static struct rmap_walk_control rwc = {
 		.rmap_one = page_idle_clear_pte_refs_one,
 		.anon_lock = page_lock_anon_vma_read,
 	};
@@ -211,16 +211,6 @@
 	.name = "page_idle",
 };
 
-#ifndef CONFIG_64BIT
-static bool need_page_idle(void)
-{
-	return true;
-}
-struct page_ext_operations page_idle_ops = {
-	.need = need_page_idle,
-};
-#endif
-
 static int __init page_idle_init(void)
 {
 	int err;
diff --git a/mm/page_io.c b/mm/page_io.c
index f0ada44..d5efe95 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -60,9 +60,9 @@
 		 * Also clear PG_reclaim to avoid rotate_reclaimable_page()
 		 */
 		set_page_dirty(page);
-		pr_alert("Write-error on swap-device (%u:%u:%llu)\n",
-			 MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
-			 (unsigned long long)bio->bi_iter.bi_sector);
+		pr_alert_ratelimited("Write-error on swap-device (%u:%u:%llu)\n",
+				     MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
+				     (unsigned long long)bio->bi_iter.bi_sector);
 		ClearPageReclaim(page);
 	}
 	end_page_writeback(page);
@@ -77,9 +77,9 @@
 	if (bio->bi_status) {
 		SetPageError(page);
 		ClearPageUptodate(page);
-		pr_alert("Read-error on swap-device (%u:%u:%llu)\n",
-			 MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
-			 (unsigned long long)bio->bi_iter.bi_sector);
+		pr_alert_ratelimited("Read-error on swap-device (%u:%u:%llu)\n",
+				     MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
+				     (unsigned long long)bio->bi_iter.bi_sector);
 		goto out;
 	}
 
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index abbf422..b391091 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -49,7 +49,6 @@
 
 		__mod_zone_freepage_state(zone, -nr_pages, mt);
 		spin_unlock_irqrestore(&zone->lock, flags);
-		drain_all_pages(zone);
 		return 0;
 	}
 
@@ -172,16 +171,18 @@
  *
  * Please note that there is no strong synchronization with the page allocator
  * either. Pages might be freed while their page blocks are marked ISOLATED.
- * In some cases pages might still end up on pcp lists and that would allow
+ * A call to drain_all_pages() after isolation can flush most of them. However
+ * in some cases pages might still end up on pcp lists and that would allow
  * for their allocation even when they are in fact isolated already. Depending
- * on how strong of a guarantee the caller needs drain_all_pages might be needed
- * (e.g. __offline_pages will need to call it after check for isolated range for
- * a next retry).
+ * on how strong of a guarantee the caller needs, further drain_all_pages()
+ * might be needed (e.g. __offline_pages will need to call it after check for
+ * isolated range for a next retry).
  *
  * Return: 0 on success and -EBUSY if any part of range cannot be isolated.
  */
 int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
-			     unsigned migratetype, int flags)
+			     unsigned migratetype, int flags,
+			     unsigned long *failed_pfn)
 {
 	unsigned long pfn;
 	unsigned long undo_pfn;
@@ -197,6 +198,8 @@
 		if (page) {
 			if (set_migratetype_isolate(page, migratetype, flags)) {
 				undo_pfn = pfn;
+				if (failed_pfn)
+					*failed_pfn = page_to_pfn(page);
 				goto undo;
 			}
 		}
@@ -282,7 +285,7 @@
 
 /* Caller should ensure that requested range is in a single zone */
 int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
-			int isol_flags)
+			int isol_flags, unsigned long *failed_pfn)
 {
 	unsigned long pfn, flags;
 	struct page *page;
@@ -308,6 +311,12 @@
 	spin_unlock_irqrestore(&zone->lock, flags);
 
 	trace_test_pages_isolated(start_pfn, end_pfn, pfn);
+	if (pfn < end_pfn) {
+		page_pinner_failure_detect(pfn_to_page(pfn));
+		if (failed_pfn)
+			*failed_pfn = pfn;
+		return -EBUSY;
+	}
 
-	return pfn < end_pfn ? -EBUSY : 0;
+	return 0;
 }
diff --git a/mm/page_owner.c b/mm/page_owner.c
index b735a8e..9501940 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -10,6 +10,7 @@
 #include <linux/migrate.h>
 #include <linux/stackdepot.h>
 #include <linux/seq_file.h>
+#include <linux/sched/clock.h>
 
 #include "internal.h"
 
@@ -25,9 +26,12 @@
 	gfp_t gfp_mask;
 	depot_stack_handle_t handle;
 	depot_stack_handle_t free_handle;
+	u64 ts_nsec;
+	u64 free_ts_nsec;
+	pid_t pid;
 };
 
-static bool page_owner_enabled = false;
+bool page_owner_enabled;
 DEFINE_STATIC_KEY_FALSE(page_owner_inited);
 
 static depot_stack_handle_t dummy_handle;
@@ -95,10 +99,30 @@
 	.init = init_page_owner,
 };
 
-static inline struct page_owner *get_page_owner(struct page_ext *page_ext)
+struct page_owner *get_page_owner(struct page_ext *page_ext)
 {
 	return (void *)page_ext + page_owner_ops.offset;
 }
+EXPORT_SYMBOL_GPL(get_page_owner);
+
+depot_stack_handle_t get_page_owner_handle(struct page_ext *page_ext, unsigned long pfn)
+{
+	struct page_owner *page_owner;
+	depot_stack_handle_t handle;
+
+	if (!page_owner_enabled)
+		return 0;
+
+	page_owner = get_page_owner(page_ext);
+
+	/* skip handle for tail pages of higher order allocations */
+	if (!IS_ALIGNED(pfn, 1 << page_owner->order))
+		return 0;
+
+	handle = READ_ONCE(page_owner->handle);
+	return handle;
+}
+EXPORT_SYMBOL_GPL(get_page_owner_handle);
 
 static inline bool check_recursive_alloc(unsigned long *entries,
 					 unsigned int nr_entries,
@@ -145,6 +169,7 @@
 	struct page_ext *page_ext;
 	depot_stack_handle_t handle = 0;
 	struct page_owner *page_owner;
+	u64 free_ts_nsec = local_clock();
 
 	handle = save_stack(GFP_NOWAIT | __GFP_NOWARN);
 
@@ -155,6 +180,7 @@
 		__clear_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
 		page_owner = get_page_owner(page_ext);
 		page_owner->free_handle = handle;
+		page_owner->free_ts_nsec = free_ts_nsec;
 		page_ext = page_ext_next(page_ext);
 	}
 }
@@ -172,6 +198,8 @@
 		page_owner->order = order;
 		page_owner->gfp_mask = gfp_mask;
 		page_owner->last_migrate_reason = -1;
+		page_owner->pid = current->pid;
+		page_owner->ts_nsec = local_clock();
 		__set_bit(PAGE_EXT_OWNER, &page_ext->flags);
 		__set_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
 
@@ -236,6 +264,9 @@
 	new_page_owner->last_migrate_reason =
 		old_page_owner->last_migrate_reason;
 	new_page_owner->handle = old_page_owner->handle;
+	new_page_owner->pid = old_page_owner->pid;
+	new_page_owner->ts_nsec = old_page_owner->ts_nsec;
+	new_page_owner->free_ts_nsec = old_page_owner->ts_nsec;
 
 	/*
 	 * We don't clear the bit on the oldpage as it's going to be freed
@@ -349,9 +380,10 @@
 		return -ENOMEM;
 
 	ret = snprintf(kbuf, count,
-			"Page allocated via order %u, mask %#x(%pGg)\n",
+			"Page allocated via order %u, mask %#x(%pGg), pid %d, ts %llu ns, free_ts %llu ns\n",
 			page_owner->order, page_owner->gfp_mask,
-			&page_owner->gfp_mask);
+			&page_owner->gfp_mask, page_owner->pid,
+			page_owner->ts_nsec, page_owner->free_ts_nsec);
 
 	if (ret >= count)
 		goto err;
@@ -427,8 +459,9 @@
 	else
 		pr_alert("page_owner tracks the page as freed\n");
 
-	pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg)\n",
-		 page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask);
+	pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg), pid %d, ts %llu, free_ts %llu\n",
+		 page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask,
+		 page_owner->pid, page_owner->ts_nsec, page_owner->free_ts_nsec);
 
 	handle = READ_ONCE(page_owner->handle);
 	if (!handle) {
diff --git a/mm/page_pinner.c b/mm/page_pinner.c
new file mode 100644
index 0000000..5491561
--- /dev/null
+++ b/mm/page_pinner.c
@@ -0,0 +1,424 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/debugfs.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+#include <linux/memblock.h>
+#include <linux/stacktrace.h>
+#include <linux/page_pinner.h>
+#include <linux/jump_label.h>
+#include <linux/migrate.h>
+#include <linux/stackdepot.h>
+#include <linux/seq_file.h>
+#include <linux/sched/clock.h>
+
+#include "internal.h"
+
+#define PAGE_PINNER_STACK_DEPTH 16
+static unsigned long pp_buf_size = 4096;
+
+struct page_pinner {
+	depot_stack_handle_t handle;
+	u64 ts_usec;
+	atomic_t count;
+};
+
+enum pp_state {
+	PP_PUT,
+	PP_FREE,
+	PP_FAIL_DETECTED,
+};
+
+struct captured_pinner {
+	depot_stack_handle_t handle;
+	union {
+		u64 ts_usec;
+		u64 elapsed;
+	};
+
+	/* struct page fields */
+	unsigned long pfn;
+	int count;
+	int mapcount;
+	struct address_space *mapping;
+	unsigned long flags;
+	enum pp_state state;
+};
+
+struct page_pinner_buffer {
+	spinlock_t lock;
+	unsigned long index;
+	struct captured_pinner *buffer;
+};
+
+/* alloc_contig failed pinner */
+static struct page_pinner_buffer pp_buffer;
+
+static bool page_pinner_enabled;
+DEFINE_STATIC_KEY_FALSE(page_pinner_inited);
+EXPORT_SYMBOL(page_pinner_inited);
+
+DEFINE_STATIC_KEY_TRUE(failure_tracking);
+EXPORT_SYMBOL_GPL(failure_tracking);
+
+static depot_stack_handle_t failure_handle;
+
+static int __init early_page_pinner_param(char *buf)
+{
+	page_pinner_enabled = true;
+	return 0;
+}
+early_param("page_pinner", early_page_pinner_param);
+
+static bool need_page_pinner(void)
+{
+	return page_pinner_enabled;
+}
+
+static noinline void register_failure_stack(void)
+{
+	unsigned long entries[4];
+	unsigned int nr_entries;
+
+	nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0);
+	failure_handle = stack_depot_save(entries, nr_entries, GFP_KERNEL);
+}
+
+static void init_page_pinner(void)
+{
+	if (!page_pinner_enabled)
+		return;
+
+	register_failure_stack();
+	static_branch_enable(&page_pinner_inited);
+}
+
+struct page_ext_operations page_pinner_ops = {
+	.size = sizeof(struct page_pinner),
+	.need = need_page_pinner,
+	.init = init_page_pinner,
+};
+
+static inline struct page_pinner *get_page_pinner(struct page_ext *page_ext)
+{
+	return (void *)page_ext + page_pinner_ops.offset;
+}
+
+static noinline depot_stack_handle_t save_stack(gfp_t flags)
+{
+	unsigned long entries[PAGE_PINNER_STACK_DEPTH];
+	depot_stack_handle_t handle;
+	unsigned int nr_entries;
+
+	nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 2);
+	handle = stack_depot_save(entries, nr_entries, flags);
+	if (!handle)
+		handle = failure_handle;
+
+	return handle;
+}
+
+static void capture_page_state(struct page *page,
+			       struct captured_pinner *record)
+{
+	record->flags = page->flags;
+	record->mapping = page_mapping(page);
+	record->pfn = page_to_pfn(page);
+	record->count = page_count(page);
+	record->mapcount = page_mapcount(page);
+}
+
+static void add_record(struct page_pinner_buffer *pp_buf,
+		       struct captured_pinner *record)
+{
+	unsigned long flags;
+	unsigned int idx;
+
+	spin_lock_irqsave(&pp_buf->lock, flags);
+	idx = pp_buf->index++;
+	pp_buf->index %= pp_buf_size;
+	pp_buf->buffer[idx] = *record;
+	spin_unlock_irqrestore(&pp_buf->lock, flags);
+}
+
+void __free_page_pinner(struct page *page, unsigned int order)
+{
+	struct page_pinner *page_pinner;
+	struct page_ext *page_ext;
+	int i;
+
+	/* free_page could be called before buffer is initialized */
+	if (!pp_buffer.buffer)
+		return;
+
+	page_ext = lookup_page_ext(page);
+	if (unlikely(!page_ext))
+		return;
+
+	for (i = 0; i < (1 << order); i++) {
+		struct captured_pinner record;
+
+		if (!test_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags))
+			continue;
+
+		page_pinner = get_page_pinner(page_ext);
+		/* record page free call path */
+		page_ext = lookup_page_ext(page);
+		if (unlikely(!page_ext))
+			continue;
+
+		record.handle = save_stack(GFP_NOWAIT|__GFP_NOWARN);
+		record.ts_usec = (u64)ktime_to_us(ktime_get_boottime());
+		record.state = PP_FREE;
+		capture_page_state(page, &record);
+
+		add_record(&pp_buffer, &record);
+
+		atomic_set(&page_pinner->count, 0);
+		page_pinner->ts_usec = 0;
+		clear_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags);
+		page_ext = page_ext_next(page_ext);
+	}
+}
+
+static ssize_t
+print_page_pinner(char __user *buf, size_t count, struct captured_pinner *record)
+{
+	int ret;
+	unsigned long *entries;
+	unsigned int nr_entries;
+	char *kbuf;
+
+	count = min_t(size_t, count, PAGE_SIZE);
+	kbuf = kmalloc(count, GFP_KERNEL);
+	if (!kbuf)
+		return -ENOMEM;
+
+	if (record->state == PP_PUT) {
+		ret = snprintf(kbuf, count, "At least, pinned for %llu us\n",
+			       record->elapsed);
+	} else {
+		u64 ts_usec = record->ts_usec;
+		unsigned long rem_usec = do_div(ts_usec, 1000000);
+
+		ret = snprintf(kbuf, count,
+			       "%s [%5lu.%06lu]\n",
+			       record->state == PP_FREE ? "Freed at" :
+							  "Failure detected at",
+			       (unsigned long)ts_usec, rem_usec);
+	}
+
+	if (ret >= count)
+		goto err;
+
+	/* Print information relevant to grouping pages by mobility */
+	ret += snprintf(kbuf + ret, count - ret,
+			"PFN 0x%lx Block %lu count %d mapcount %d mapping %pS Flags %#lx(%pGp)\n",
+			record->pfn,
+			record->pfn >> pageblock_order,
+			record->count, record->mapcount,
+			record->mapping,
+			record->flags, &record->flags);
+
+	if (ret >= count)
+		goto err;
+
+	nr_entries = stack_depot_fetch(record->handle, &entries);
+	ret += stack_trace_snprint(kbuf + ret, count - ret, entries,
+				   nr_entries, 0);
+	if (ret >= count)
+		goto err;
+
+	ret += snprintf(kbuf + ret, count - ret, "\n");
+	if (ret >= count)
+		goto err;
+
+	if (copy_to_user(buf, kbuf, ret))
+		ret = -EFAULT;
+
+	kfree(kbuf);
+	return ret;
+
+err:
+	kfree(kbuf);
+	return -ENOMEM;
+}
+
+void __page_pinner_failure_detect(struct page *page)
+{
+	struct page_ext *page_ext = lookup_page_ext(page);
+	struct page_pinner *page_pinner;
+	struct captured_pinner record;
+	u64 now;
+
+	if (unlikely(!page_ext))
+		return;
+
+	if (test_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags))
+		return;
+
+	now = (u64)ktime_to_us(ktime_get_boottime());
+	page_pinner = get_page_pinner(page_ext);
+	if (!page_pinner->ts_usec)
+		page_pinner->ts_usec = now;
+	set_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags);
+	record.handle = save_stack(GFP_NOWAIT|__GFP_NOWARN);
+	record.ts_usec = now;
+	record.state = PP_FAIL_DETECTED;
+	capture_page_state(page, &record);
+
+	add_record(&pp_buffer, &record);
+}
+EXPORT_SYMBOL_GPL(__page_pinner_failure_detect);
+
+void __page_pinner_put_page(struct page *page)
+{
+	struct page_ext *page_ext = lookup_page_ext(page);
+	struct page_pinner *page_pinner;
+	struct captured_pinner record;
+	u64 now, ts_usec;
+
+	if (unlikely(!page_ext))
+		return;
+
+	if (!test_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags))
+		return;
+
+	page_pinner = get_page_pinner(page_ext);
+	record.handle = save_stack(GFP_NOWAIT|__GFP_NOWARN);
+	now = (u64)ktime_to_us(ktime_get_boottime());
+	ts_usec = page_pinner->ts_usec;
+
+	if (now > ts_usec)
+		record.elapsed = now - ts_usec;
+	else
+		record.elapsed = 0;
+	record.state = PP_PUT;
+	capture_page_state(page, &record);
+
+	add_record(&pp_buffer, &record);
+}
+EXPORT_SYMBOL_GPL(__page_pinner_put_page);
+
+static ssize_t read_buffer(struct file *file, char __user *buf,
+					size_t count, loff_t *ppos)
+{
+	u64 tmp;
+	loff_t i, idx;
+	struct captured_pinner record;
+	unsigned long flags;
+
+	if (!static_branch_unlikely(&failure_tracking))
+		return -EINVAL;
+
+	if (*ppos >= pp_buf_size)
+		return 0;
+
+	i = *ppos;
+	*ppos = i + 1;
+
+	/*
+	 * reading the records in the reverse order with newest one
+	 * being read first followed by older ones
+	 */
+	tmp = pp_buffer.index - 1 - i + pp_buf_size;
+	idx = do_div(tmp, pp_buf_size);
+
+	spin_lock_irqsave(&pp_buffer.lock, flags);
+	record = pp_buffer.buffer[idx];
+	spin_unlock_irqrestore(&pp_buffer.lock, flags);
+	if (!record.handle)
+		return 0;
+
+	return print_page_pinner(buf, count, &record);
+}
+
+static const struct file_operations proc_buffer_operations = {
+	.read		= read_buffer,
+};
+
+static int failure_tracking_set(void *data, u64 val)
+{
+	bool on;
+
+	on = (bool)val;
+	if (on)
+		static_branch_enable(&failure_tracking);
+	else
+		static_branch_disable(&failure_tracking);
+	return 0;
+}
+
+static int failure_tracking_get(void *data, u64 *val)
+{
+	*val = static_branch_unlikely(&failure_tracking);
+	return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(failure_tracking_fops,
+			 failure_tracking_get,
+			 failure_tracking_set, "%llu\n");
+
+static int buffer_size_set(void *data, u64 val)
+{
+	unsigned long flags;
+	struct captured_pinner *new, *old;
+
+	new = kvmalloc_array(val, sizeof(*new), GFP_KERNEL);
+	if (!new)
+		return -ENOMEM;
+
+	spin_lock_irqsave(&pp_buffer.lock, flags);
+	old = pp_buffer.buffer;
+	pp_buffer.buffer = new;
+	pp_buffer.index = 0;
+	pp_buf_size = val;
+	spin_unlock_irqrestore(&pp_buffer.lock, flags);
+	kvfree(old);
+
+	return 0;
+}
+
+static int buffer_size_get(void *data, u64 *val)
+{
+	*val = pp_buf_size;
+	return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(buffer_size_fops,
+			 buffer_size_get,
+			 buffer_size_set, "%llu\n");
+
+static int __init page_pinner_init(void)
+{
+	struct dentry *pp_debugfs_root;
+
+	if (!static_branch_unlikely(&page_pinner_inited))
+		return 0;
+
+	pp_buffer.buffer = kvmalloc_array(pp_buf_size, sizeof(*pp_buffer.buffer),
+				GFP_KERNEL);
+	if (!pp_buffer.buffer) {
+		pr_info("page_pinner disabled due to \n");
+		return 1;
+	}
+
+	spin_lock_init(&pp_buffer.lock);
+	pp_buffer.index = 0;
+
+	pr_info("page_pinner enabled\n");
+
+	pp_debugfs_root = debugfs_create_dir("page_pinner", NULL);
+
+	debugfs_create_file("buffer", 0444,
+			    pp_debugfs_root, NULL,
+			    &proc_buffer_operations);
+
+	debugfs_create_file("failure_tracking", 0644,
+			    pp_debugfs_root, NULL,
+			    &failure_tracking_fops);
+
+	debugfs_create_file("buffer_size", 0644,
+			    pp_debugfs_root, NULL,
+			    &buffer_size_fops);
+	return 0;
+}
+late_initcall(page_pinner_init)
diff --git a/mm/page_poison.c b/mm/page_poison.c
index ae0482c..655dc58 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -8,57 +8,29 @@
 #include <linux/ratelimit.h>
 #include <linux/kasan.h>
 
-static DEFINE_STATIC_KEY_FALSE_RO(want_page_poisoning);
+bool _page_poisoning_enabled_early;
+EXPORT_SYMBOL(_page_poisoning_enabled_early);
+DEFINE_STATIC_KEY_FALSE(_page_poisoning_enabled);
+EXPORT_SYMBOL(_page_poisoning_enabled);
 
 static int __init early_page_poison_param(char *buf)
 {
-	int ret;
-	bool tmp;
-
-	ret = strtobool(buf, &tmp);
-	if (ret)
-		return ret;
-
-	if (tmp)
-		static_branch_enable(&want_page_poisoning);
-	else
-		static_branch_disable(&want_page_poisoning);
-
-	return 0;
+	return kstrtobool(buf, &_page_poisoning_enabled_early);
 }
 early_param("page_poison", early_page_poison_param);
 
-/**
- * page_poisoning_enabled - check if page poisoning is enabled
- *
- * Return true if page poisoning is enabled, or false if not.
- */
-bool page_poisoning_enabled(void)
-{
-	/*
-	 * Assumes that debug_pagealloc_enabled is set before
-	 * memblock_free_all.
-	 * Page poisoning is debug page alloc for some arches. If
-	 * either of those options are enabled, enable poisoning.
-	 */
-	return (static_branch_unlikely(&want_page_poisoning) ||
-		(!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
-		debug_pagealloc_enabled()));
-}
-EXPORT_SYMBOL_GPL(page_poisoning_enabled);
-
 static void poison_page(struct page *page)
 {
 	void *addr = kmap_atomic(page);
 
 	/* KASAN still think the page is in-use, so skip it. */
 	kasan_disable_current();
-	memset(addr, PAGE_POISON, PAGE_SIZE);
+	memset(kasan_reset_tag(addr), PAGE_POISON, PAGE_SIZE);
 	kasan_enable_current();
 	kunmap_atomic(addr);
 }
 
-static void poison_pages(struct page *page, int n)
+void __kernel_poison_pages(struct page *page, int n)
 {
 	int i;
 
@@ -79,9 +51,6 @@
 	unsigned char *start;
 	unsigned char *end;
 
-	if (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY))
-		return;
-
 	start = memchr_inv(mem, PAGE_POISON, bytes);
 	if (!start)
 		return;
@@ -108,16 +77,18 @@
 	void *addr;
 
 	addr = kmap_atomic(page);
+	kasan_disable_current();
 	/*
 	 * Page poisoning when enabled poisons each and every page
 	 * that is freed to buddy. Thus no extra check is done to
 	 * see if a page was poisoned.
 	 */
-	check_poison_mem(addr, PAGE_SIZE);
+	check_poison_mem(kasan_reset_tag(addr), PAGE_SIZE);
+	kasan_enable_current();
 	kunmap_atomic(addr);
 }
 
-static void unpoison_pages(struct page *page, int n)
+void __kernel_unpoison_pages(struct page *page, int n)
 {
 	int i;
 
@@ -125,17 +96,6 @@
 		unpoison_page(page + i);
 }
 
-void kernel_poison_pages(struct page *page, int numpages, int enable)
-{
-	if (!page_poisoning_enabled())
-		return;
-
-	if (enable)
-		unpoison_pages(page, numpages);
-	else
-		poison_pages(page, numpages);
-}
-
 #ifndef CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC
 void __kernel_map_pages(struct page *page, int numpages, int enable)
 {
diff --git a/mm/percpu.c b/mm/percpu.c
index e12ab708..b31c6df 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -2231,6 +2231,7 @@
 		return page_to_phys(pcpu_addr_to_page(addr)) +
 		       offset_in_page(addr);
 }
+EXPORT_SYMBOL_GPL(per_cpu_ptr_to_phys);
 
 /**
  * pcpu_alloc_alloc_info - allocate percpu allocation info
@@ -3167,6 +3168,7 @@
 {
 	return pcpu_nr_populated * pcpu_nr_units;
 }
+EXPORT_SYMBOL_GPL(pcpu_nr_pages);
 
 /*
  * Percpu allocator is initialized early during boot when neither slab or
diff --git a/mm/ptdump.c b/mm/ptdump.c
index a917bf5..f84ea70 100644
--- a/mm/ptdump.c
+++ b/mm/ptdump.c
@@ -4,7 +4,7 @@
 #include <linux/ptdump.h>
 #include <linux/kasan.h>
 
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 /*
  * This is an optimization for KASAN=y case. Since all kasan page tables
  * eventually point to the kasan_early_shadow_page we could call note_page()
@@ -31,7 +31,8 @@
 	struct ptdump_state *st = walk->private;
 	pgd_t val = READ_ONCE(*pgd);
 
-#if CONFIG_PGTABLE_LEVELS > 4 && defined(CONFIG_KASAN)
+#if CONFIG_PGTABLE_LEVELS > 4 && \
+		(defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
 	if (pgd_page(val) == virt_to_page(lm_alias(kasan_early_shadow_p4d)))
 		return note_kasan_page_table(walk, addr);
 #endif
@@ -51,7 +52,8 @@
 	struct ptdump_state *st = walk->private;
 	p4d_t val = READ_ONCE(*p4d);
 
-#if CONFIG_PGTABLE_LEVELS > 3 && defined(CONFIG_KASAN)
+#if CONFIG_PGTABLE_LEVELS > 3 && \
+		(defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
 	if (p4d_page(val) == virt_to_page(lm_alias(kasan_early_shadow_pud)))
 		return note_kasan_page_table(walk, addr);
 #endif
@@ -71,7 +73,8 @@
 	struct ptdump_state *st = walk->private;
 	pud_t val = READ_ONCE(*pud);
 
-#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_KASAN)
+#if CONFIG_PGTABLE_LEVELS > 2 && \
+		(defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
 	if (pud_page(val) == virt_to_page(lm_alias(kasan_early_shadow_pmd)))
 		return note_kasan_page_table(walk, addr);
 #endif
@@ -91,7 +94,7 @@
 	struct ptdump_state *st = walk->private;
 	pmd_t val = READ_ONCE(*pmd);
 
-#if defined(CONFIG_KASAN)
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
 	if (pmd_page(val) == virt_to_page(lm_alias(kasan_early_shadow_pte)))
 		return note_kasan_page_table(walk, addr);
 #endif
diff --git a/mm/readahead.c b/mm/readahead.c
index d30bcf4..94cd10cc 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -23,6 +23,7 @@
 #include <linux/blk-cgroup.h>
 #include <linux/fadvise.h>
 #include <linux/sched/mm.h>
+#include <trace/hooks/mm.h>
 
 #include "internal.h"
 
@@ -114,6 +115,15 @@
 
 EXPORT_SYMBOL(read_cache_pages);
 
+gfp_t readahead_gfp_mask(struct address_space *x)
+{
+	gfp_t mask = mapping_gfp_mask(x) | __GFP_NORETRY | __GFP_NOWARN;
+
+	trace_android_rvh_set_readahead_gfp_mask(&mask);
+	return mask;
+}
+EXPORT_SYMBOL_GPL(readahead_gfp_mask);
+
 static void read_pages(struct readahead_control *rac, struct list_head *pages,
 		bool skip_page)
 {
diff --git a/mm/rmap.c b/mm/rmap.c
index e6f840b..48073b9 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -72,6 +72,7 @@
 #include <linux/page_idle.h>
 #include <linux/memremap.h>
 #include <linux/userfaultfd_k.h>
+#include <linux/mm_inline.h>
 
 #include <asm/tlbflush.h>
 
@@ -417,6 +418,7 @@
 	}
 	if (vma->anon_vma)
 		vma->anon_vma->num_active_vmas--;
+
 	unlock_anon_vma_root(root);
 
 	/*
@@ -519,9 +521,11 @@
  *
  * Its a little more complex as it tries to keep the fast path to a single
  * atomic op -- the trylock. If we fail the trylock, we fall back to getting a
- * reference like with page_get_anon_vma() and then block on the mutex.
+ * reference like with page_get_anon_vma() and then block on the mutex
+ * on !rwc->try_lock case.
  */
-struct anon_vma *page_lock_anon_vma_read(struct page *page)
+struct anon_vma *page_lock_anon_vma_read(struct page *page,
+					 struct rmap_walk_control *rwc)
 {
 	struct anon_vma *anon_vma = NULL;
 	struct anon_vma *root_anon_vma;
@@ -549,6 +553,12 @@
 		goto out;
 	}
 
+	if (rwc && rwc->try_lock) {
+		anon_vma = NULL;
+		rwc->contended = true;
+		goto out;
+	}
+
 	/* trylock failed, we got to sleep */
 	if (!atomic_inc_not_zero(&anon_vma->refcount)) {
 		anon_vma = NULL;
@@ -785,6 +795,12 @@
 		}
 
 		if (pvmw.pte) {
+			if (lru_gen_enabled() && pte_young(*pvmw.pte) &&
+			    !(vma->vm_flags & (VM_SEQ_READ | VM_RAND_READ))) {
+				lru_gen_look_around(&pvmw);
+				referenced++;
+			}
+
 			if (ptep_clear_flush_young_notify(vma, address,
 						pvmw.pte)) {
 				/*
@@ -844,8 +860,10 @@
  * @memcg: target memory cgroup
  * @vm_flags: collect encountered vma->vm_flags who actually referenced the page
  *
- * Quick test_and_clear_referenced for all mappings to a page,
- * returns the number of ptes which referenced the page.
+ * Quick test_and_clear_referenced for all mappings of a page,
+ *
+ * Return: The number of mappings which referenced the page. Return -1 if
+ * the function bailed out due to rmap lock contention.
  */
 int page_referenced(struct page *page,
 		    int is_locked,
@@ -861,6 +879,7 @@
 		.rmap_one = page_referenced_one,
 		.arg = (void *)&pra,
 		.anon_lock = page_lock_anon_vma_read,
+		.try_lock = true,
 	};
 
 	*vm_flags = 0;
@@ -891,7 +910,7 @@
 	if (we_locked)
 		unlock_page(page);
 
-	return pra.referenced;
+	return rwc.contended ? -1 : pra.referenced;
 }
 
 static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
@@ -1156,7 +1175,7 @@
 }
 
 /**
- * page_add_new_anon_rmap - add pte mapping to a new anonymous page
+ * __page_add_new_anon_rmap - add pte mapping to a new anonymous page
  * @page:	the page to add the mapping to
  * @vma:	the vm area in which the mapping is added
  * @address:	the user virtual address mapped
@@ -1166,12 +1185,11 @@
  * This means the inc-and-test can be bypassed.
  * Page does not have to be locked.
  */
-void page_add_new_anon_rmap(struct page *page,
+void __page_add_new_anon_rmap(struct page *page,
 	struct vm_area_struct *vma, unsigned long address, bool compound)
 {
 	int nr = compound ? thp_nr_pages(page) : 1;
 
-	VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
 	__SetPageSwapBacked(page);
 	if (compound) {
 		VM_BUG_ON_PAGE(!PageTransHuge(page), page);
@@ -1839,7 +1857,7 @@
 	struct anon_vma *anon_vma;
 
 	if (rwc->anon_lock)
-		return rwc->anon_lock(page);
+		return rwc->anon_lock(page, rwc);
 
 	/*
 	 * Note: remove_migration_ptes() cannot use page_lock_anon_vma_read()
@@ -1851,7 +1869,17 @@
 	if (!anon_vma)
 		return NULL;
 
+	if (anon_vma_trylock_read(anon_vma))
+		goto out;
+
+	if (rwc->try_lock) {
+		anon_vma = NULL;
+		rwc->contended = true;
+		goto out;
+	}
+
 	anon_vma_lock_read(anon_vma);
+out:
 	return anon_vma;
 }
 
@@ -1942,8 +1970,18 @@
 
 	pgoff_start = page_to_pgoff(page);
 	pgoff_end = pgoff_start + thp_nr_pages(page) - 1;
-	if (!locked)
+	if (!locked) {
+		if (i_mmap_trylock_read(mapping))
+			goto lookup;
+
+		if (rwc->try_lock) {
+			rwc->contended = true;
+			return;
+		}
+
 		i_mmap_lock_read(mapping);
+	}
+lookup:
 	vma_interval_tree_foreach(vma, &mapping->i_mmap,
 			pgoff_start, pgoff_end) {
 		unsigned long address = vma_address(page, vma);
diff --git a/mm/shmem.c b/mm/shmem.c
index e173d83..9555b5e 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -38,9 +38,15 @@
 #include <linux/hugetlb.h>
 #include <linux/frontswap.h>
 #include <linux/fs_parser.h>
+#include <linux/mm_inline.h>
 
 #include <asm/tlbflush.h> /* for arch/microblaze update_mmu_cache() */
 
+#include "internal.h"
+
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/shmem_fs.h>
+
 static struct vfsmount *shm_mnt;
 
 #ifdef CONFIG_SHMEM
@@ -1525,11 +1531,11 @@
 {
 	struct vm_area_struct pvma;
 	struct page *page;
-	struct vm_fault vmf;
+	struct vm_fault vmf = {
+		.vma = &pvma,
+	};
 
 	shmem_pseudo_vma_init(&pvma, info, index);
-	vmf.vma = &pvma;
-	vmf.address = 0;
 	page = swap_cluster_readahead(swap, gfp, &vmf);
 	shmem_pseudo_vma_destroy(&pvma);
 
@@ -1564,7 +1570,11 @@
 			struct shmem_inode_info *info, pgoff_t index)
 {
 	struct vm_area_struct pvma;
-	struct page *page;
+	struct page *page = NULL;
+
+	trace_android_vh_shmem_alloc_page(&page);
+	if (page)
+		return page;
 
 	shmem_pseudo_vma_init(&pvma, info, index);
 	page = alloc_page_vma(gfp, &pvma, 0);
@@ -1792,7 +1802,7 @@
  * vm. If we swap it in we mark it dirty since we also free the swap
  * entry since a page cannot live in both the swap and page cache.
  *
- * vmf and fault_type are only supplied by shmem_fault:
+ * vma, vmf, and fault_type are only supplied by shmem_fault:
  * otherwise they are NULL.
  */
 static int shmem_getpage_gfp(struct inode *inode, pgoff_t index,
@@ -1825,6 +1835,16 @@
 	charge_mm = vma ? vma->vm_mm : current->mm;
 
 	page = find_lock_entry(mapping, index);
+
+	if (page && vma && userfaultfd_minor(vma)) {
+		if (!xa_is_value(page)) {
+			unlock_page(page);
+			put_page(page);
+		}
+		*fault_type = handle_userfault(vmf, VM_UFFD_MINOR);
+		return 0;
+	}
+
 	if (xa_is_value(page)) {
 		error = shmem_swapin_page(inode, index, &page,
 					  sgp, gfp, vma, fault_type);
@@ -2348,27 +2368,25 @@
 	return mapping->a_ops == &shmem_aops;
 }
 
-static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
-				  pmd_t *dst_pmd,
-				  struct vm_area_struct *dst_vma,
-				  unsigned long dst_addr,
-				  unsigned long src_addr,
-				  bool zeropage,
-				  struct page **pagep)
+#ifdef CONFIG_USERFAULTFD
+int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+			   pmd_t *dst_pmd,
+			   struct vm_area_struct *dst_vma,
+			   unsigned long dst_addr,
+			   unsigned long src_addr,
+			   bool zeropage,
+			   struct page **pagep)
 {
 	struct inode *inode = file_inode(dst_vma->vm_file);
 	struct shmem_inode_info *info = SHMEM_I(inode);
 	struct address_space *mapping = inode->i_mapping;
 	gfp_t gfp = mapping_gfp_mask(mapping);
 	pgoff_t pgoff = linear_page_index(dst_vma, dst_addr);
-	spinlock_t *ptl;
 	void *page_kaddr;
 	struct page *page;
-	pte_t _dst_pte, *dst_pte;
 	int ret;
-	pgoff_t offset, max_off;
+	pgoff_t max_off;
 
-	ret = -ENOMEM;
 	if (!shmem_inode_acct_block(inode, 1)) {
 		/*
 		 * We may have got a page, returned -ENOENT triggering a retry,
@@ -2379,15 +2397,16 @@
 			put_page(*pagep);
 			*pagep = NULL;
 		}
-		goto out;
+		return -ENOMEM;
 	}
 
 	if (!*pagep) {
+		ret = -ENOMEM;
 		page = shmem_alloc_page(gfp, info, pgoff);
 		if (!page)
 			goto out_unacct_blocks;
 
-		if (!zeropage) {	/* mcopy_atomic */
+		if (!zeropage) {	/* COPY */
 			page_kaddr = kmap_atomic(page);
 			ret = copy_from_user(page_kaddr,
 					     (const void __user *)src_addr,
@@ -2397,11 +2416,11 @@
 			/* fallback to copy_from_user outside mmap_lock */
 			if (unlikely(ret)) {
 				*pagep = page;
-				shmem_inode_unacct_blocks(inode, 1);
+				ret = -ENOENT;
 				/* don't free the page */
-				return -ENOENT;
+				goto out_unacct_blocks;
 			}
-		} else {		/* mfill_zeropage_atomic */
+		} else {		/* ZEROPAGE */
 			clear_highpage(page);
 		}
 	} else {
@@ -2409,15 +2428,15 @@
 		*pagep = NULL;
 	}
 
-	VM_BUG_ON(PageLocked(page) || PageSwapBacked(page));
+	VM_BUG_ON(PageLocked(page));
+	VM_BUG_ON(PageSwapBacked(page));
 	__SetPageLocked(page);
 	__SetPageSwapBacked(page);
 	__SetPageUptodate(page);
 
 	ret = -EFAULT;
-	offset = linear_page_index(dst_vma, dst_addr);
 	max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
-	if (unlikely(offset >= max_off))
+	if (unlikely(pgoff >= max_off))
 		goto out_release;
 
 	ret = shmem_add_to_page_cache(page, mapping, pgoff, NULL,
@@ -2425,32 +2444,10 @@
 	if (ret)
 		goto out_release;
 
-	_dst_pte = mk_pte(page, dst_vma->vm_page_prot);
-	if (dst_vma->vm_flags & VM_WRITE)
-		_dst_pte = pte_mkwrite(pte_mkdirty(_dst_pte));
-	else {
-		/*
-		 * We don't set the pte dirty if the vma has no
-		 * VM_WRITE permission, so mark the page dirty or it
-		 * could be freed from under us. We could do it
-		 * unconditionally before unlock_page(), but doing it
-		 * only if VM_WRITE is not set is faster.
-		 */
-		set_page_dirty(page);
-	}
-
-	dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
-
-	ret = -EFAULT;
-	max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
-	if (unlikely(offset >= max_off))
-		goto out_release_unlock;
-
-	ret = -EEXIST;
-	if (!pte_none(*dst_pte))
-		goto out_release_unlock;
-
-	lru_cache_add(page);
+	ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+				       page, true, false);
+	if (ret)
+		goto out_delete_from_cache;
 
 	spin_lock_irq(&info->lock);
 	info->alloced++;
@@ -2458,50 +2455,19 @@
 	shmem_recalc_inode(inode);
 	spin_unlock_irq(&info->lock);
 
-	inc_mm_counter(dst_mm, mm_counter_file(page));
-	page_add_file_rmap(page, false);
-	set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
-
-	/* No need to invalidate - it was non-present before */
-	update_mmu_cache(dst_vma, dst_addr, dst_pte);
-	pte_unmap_unlock(dst_pte, ptl);
+	SetPageDirty(page);
 	unlock_page(page);
-	ret = 0;
-out:
-	return ret;
-out_release_unlock:
-	pte_unmap_unlock(dst_pte, ptl);
-	ClearPageDirty(page);
+	return 0;
+out_delete_from_cache:
 	delete_from_page_cache(page);
 out_release:
 	unlock_page(page);
 	put_page(page);
 out_unacct_blocks:
 	shmem_inode_unacct_blocks(inode, 1);
-	goto out;
+	return ret;
 }
-
-int shmem_mcopy_atomic_pte(struct mm_struct *dst_mm,
-			   pmd_t *dst_pmd,
-			   struct vm_area_struct *dst_vma,
-			   unsigned long dst_addr,
-			   unsigned long src_addr,
-			   struct page **pagep)
-{
-	return shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma,
-				      dst_addr, src_addr, false, pagep);
-}
-
-int shmem_mfill_zeropage_pte(struct mm_struct *dst_mm,
-			     pmd_t *dst_pmd,
-			     struct vm_area_struct *dst_vma,
-			     unsigned long dst_addr)
-{
-	struct page *page = NULL;
-
-	return shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma,
-				      dst_addr, 0, true, &page);
-}
+#endif /* CONFIG_USERFAULTFD */
 
 #ifdef CONFIG_TMPFS
 static const struct inode_operations shmem_symlink_inode_operations;
@@ -3270,7 +3236,8 @@
 
 static int shmem_xattr_handler_get(const struct xattr_handler *handler,
 				   struct dentry *unused, struct inode *inode,
-				   const char *name, void *buffer, size_t size)
+				   const char *name, void *buffer, size_t size,
+				   int flags)
 {
 	struct shmem_inode_info *info = SHMEM_I(inode);
 
@@ -3978,6 +3945,9 @@
 	.set_policy     = shmem_set_policy,
 	.get_policy     = shmem_get_policy,
 #endif
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	.allow_speculation = filemap_allow_speculation,
+#endif
 };
 
 int shmem_init_fs_context(struct fs_context *fc)
@@ -4348,3 +4318,47 @@
 #endif
 }
 EXPORT_SYMBOL_GPL(shmem_read_mapping_page_gfp);
+
+void shmem_mark_page_lazyfree(struct page *page, bool tail)
+{
+	mark_page_lazyfree_movetail(page, tail);
+}
+EXPORT_SYMBOL_GPL(shmem_mark_page_lazyfree);
+
+int reclaim_shmem_address_space(struct address_space *mapping)
+{
+	pgoff_t start = 0;
+	struct page *page;
+	LIST_HEAD(page_list);
+	int reclaimed;
+	XA_STATE(xas, &mapping->i_pages, start);
+
+	if (!shmem_mapping(mapping))
+		return -EINVAL;
+
+	lru_add_drain();
+
+	rcu_read_lock();
+	xas_for_each(&xas, page, ULONG_MAX) {
+		if (xas_retry(&xas, page))
+			continue;
+		if (xa_is_value(page))
+			continue;
+		if (isolate_lru_page(page))
+			continue;
+
+		list_add(&page->lru, &page_list);
+		inc_node_page_state(page, NR_ISOLATED_ANON +
+				page_is_file_lru(page));
+
+		if (need_resched()) {
+			xas_pause(&xas);
+			cond_resched_rcu();
+		}
+	}
+	rcu_read_unlock();
+	reclaimed = reclaim_pages_from_list(&page_list);
+
+	return reclaimed;
+}
+EXPORT_SYMBOL_GPL(reclaim_shmem_address_space);
diff --git a/mm/slab.c b/mm/slab.c
index b2cc2cf..731b868 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -100,6 +100,7 @@
 #include	<linux/seq_file.h>
 #include	<linux/notifier.h>
 #include	<linux/kallsyms.h>
+#include	<linux/kfence.h>
 #include	<linux/cpu.h>
 #include	<linux/sysctl.h>
 #include	<linux/module.h>
@@ -1434,7 +1435,7 @@
 	if (!is_debug_pagealloc_cache(cachep))
 		return;
 
-	kernel_map_pages(virt_to_page(objp), cachep->size / PAGE_SIZE, map);
+	__kernel_map_pages(virt_to_page(objp), cachep->size / PAGE_SIZE, map);
 }
 
 #else
@@ -3207,19 +3208,24 @@
 }
 
 static __always_inline void *
-slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
+slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, size_t orig_size,
 		   unsigned long caller)
 {
 	unsigned long save_flags;
 	void *ptr;
 	int slab_node = numa_mem_id();
 	struct obj_cgroup *objcg = NULL;
+	bool init = false;
 
 	flags &= gfp_allowed_mask;
 	cachep = slab_pre_alloc_hook(cachep, &objcg, 1, flags);
 	if (unlikely(!cachep))
 		return NULL;
 
+	ptr = kfence_alloc(cachep, orig_size, flags);
+	if (unlikely(ptr))
+		goto out_hooks;
+
 	cache_alloc_debugcheck_before(cachep, flags);
 	local_irq_save(save_flags);
 
@@ -3248,11 +3254,10 @@
   out:
 	local_irq_restore(save_flags);
 	ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller);
+	init = slab_want_init_on_alloc(flags, cachep);
 
-	if (unlikely(slab_want_init_on_alloc(flags, cachep)) && ptr)
-		memset(ptr, 0, cachep->object_size);
-
-	slab_post_alloc_hook(cachep, objcg, flags, 1, &ptr);
+out_hooks:
+	slab_post_alloc_hook(cachep, objcg, flags, 1, &ptr, init);
 	return ptr;
 }
 
@@ -3289,28 +3294,32 @@
 #endif /* CONFIG_NUMA */
 
 static __always_inline void *
-slab_alloc(struct kmem_cache *cachep, gfp_t flags, unsigned long caller)
+slab_alloc(struct kmem_cache *cachep, gfp_t flags, size_t orig_size, unsigned long caller)
 {
 	unsigned long save_flags;
 	void *objp;
 	struct obj_cgroup *objcg = NULL;
+	bool init = false;
 
 	flags &= gfp_allowed_mask;
 	cachep = slab_pre_alloc_hook(cachep, &objcg, 1, flags);
 	if (unlikely(!cachep))
 		return NULL;
 
+	objp = kfence_alloc(cachep, orig_size, flags);
+	if (unlikely(objp))
+		goto out;
+
 	cache_alloc_debugcheck_before(cachep, flags);
 	local_irq_save(save_flags);
 	objp = __do_cache_alloc(cachep, flags);
 	local_irq_restore(save_flags);
 	objp = cache_alloc_debugcheck_after(cachep, flags, objp, caller);
 	prefetchw(objp);
+	init = slab_want_init_on_alloc(flags, cachep);
 
-	if (unlikely(slab_want_init_on_alloc(flags, cachep)) && objp)
-		memset(objp, 0, cachep->object_size);
-
-	slab_post_alloc_hook(cachep, objcg, flags, 1, &objp);
+out:
+	slab_post_alloc_hook(cachep, objcg, flags, 1, &objp, init);
 	return objp;
 }
 
@@ -3415,8 +3424,25 @@
 static __always_inline void __cache_free(struct kmem_cache *cachep, void *objp,
 					 unsigned long caller)
 {
-	/* Put the object into the quarantine, don't touch it for now. */
-	if (kasan_slab_free(cachep, objp, _RET_IP_))
+	bool init;
+
+	if (is_kfence_address(objp)) {
+		kmemleak_free_recursive(objp, cachep->flags);
+		memcg_slab_free_hook(cachep, &objp, 1);
+		__kfence_free(objp);
+		return;
+	}
+
+	/*
+	 * As memory initialization might be integrated into KASAN,
+	 * kasan_slab_free and initialization memset must be
+	 * kept together to avoid discrepancies in behavior.
+	 */
+	init = slab_want_init_on_free(cachep);
+	if (init && !kasan_has_integrated_init())
+		memset(objp, 0, cachep->object_size);
+	/* KASAN might put objp into memory quarantine, delaying its reuse. */
+	if (kasan_slab_free(cachep, objp, init))
 		return;
 
 	/* Use KCSAN to help debug racy use-after-free. */
@@ -3433,8 +3459,6 @@
 	struct array_cache *ac = cpu_cache_get(cachep);
 
 	check_irq_off();
-	if (unlikely(slab_want_init_on_free(cachep)))
-		memset(objp, 0, cachep->object_size);
 	kmemleak_free_recursive(objp, cachep->flags);
 	objp = cache_free_debugcheck(cachep, objp, caller);
 	memcg_slab_free_hook(cachep, &objp, 1);
@@ -3480,7 +3504,7 @@
  */
 void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
 {
-	void *ret = slab_alloc(cachep, flags, _RET_IP_);
+	void *ret = slab_alloc(cachep, flags, cachep->object_size, _RET_IP_);
 
 	trace_kmem_cache_alloc(_RET_IP_, ret,
 			       cachep->object_size, cachep->size, flags);
@@ -3513,7 +3537,7 @@
 
 	local_irq_disable();
 	for (i = 0; i < size; i++) {
-		void *objp = __do_cache_alloc(s, flags);
+		void *objp = kfence_alloc(s, s->object_size, flags) ?: __do_cache_alloc(s, flags);
 
 		if (unlikely(!objp))
 			goto error;
@@ -3523,18 +3547,18 @@
 
 	cache_alloc_debugcheck_after_bulk(s, flags, size, p, _RET_IP_);
 
-	/* Clear memory outside IRQ disabled section */
-	if (unlikely(slab_want_init_on_alloc(flags, s)))
-		for (i = 0; i < size; i++)
-			memset(p[i], 0, s->object_size);
-
-	slab_post_alloc_hook(s, objcg, flags, size, p);
+	/*
+	 * memcg and kmem_cache debug support and memory initialization.
+	 * Done outside of the IRQ disabled section.
+	 */
+	slab_post_alloc_hook(s, objcg, flags, size, p,
+				slab_want_init_on_alloc(flags, s));
 	/* FIXME: Trace call missing. Christoph would like a bulk variant */
 	return size;
 error:
 	local_irq_enable();
 	cache_alloc_debugcheck_after_bulk(s, flags, i, p, _RET_IP_);
-	slab_post_alloc_hook(s, objcg, flags, i, p);
+	slab_post_alloc_hook(s, objcg, flags, i, p, false);
 	__kmem_cache_free_bulk(s, i, p);
 	return 0;
 }
@@ -3546,7 +3570,7 @@
 {
 	void *ret;
 
-	ret = slab_alloc(cachep, flags, _RET_IP_);
+	ret = slab_alloc(cachep, flags, size, _RET_IP_);
 
 	ret = kasan_kmalloc(cachep, ret, size, flags);
 	trace_kmalloc(_RET_IP_, ret,
@@ -3572,7 +3596,7 @@
  */
 void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
 {
-	void *ret = slab_alloc_node(cachep, flags, nodeid, _RET_IP_);
+	void *ret = slab_alloc_node(cachep, flags, nodeid, cachep->object_size, _RET_IP_);
 
 	trace_kmem_cache_alloc_node(_RET_IP_, ret,
 				    cachep->object_size, cachep->size,
@@ -3590,7 +3614,7 @@
 {
 	void *ret;
 
-	ret = slab_alloc_node(cachep, flags, nodeid, _RET_IP_);
+	ret = slab_alloc_node(cachep, flags, nodeid, size, _RET_IP_);
 
 	ret = kasan_kmalloc(cachep, ret, size, flags);
 	trace_kmalloc_node(_RET_IP_, ret,
@@ -3651,7 +3675,7 @@
 	cachep = kmalloc_slab(size, flags);
 	if (unlikely(ZERO_OR_NULL_PTR(cachep)))
 		return cachep;
-	ret = slab_alloc(cachep, flags, caller);
+	ret = slab_alloc(cachep, flags, size, caller);
 
 	ret = kasan_kmalloc(cachep, ret, size, flags);
 	trace_kmalloc(caller, ret,
@@ -4040,6 +4064,7 @@
 	sinfo->objects_per_slab = cachep->num;
 	sinfo->cache_order = cachep->gfporder;
 }
+EXPORT_SYMBOL_GPL(get_slabinfo);
 
 void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep)
 {
@@ -4150,7 +4175,10 @@
 	BUG_ON(objnr >= cachep->num);
 
 	/* Find offset within object. */
-	offset = ptr - index_to_obj(cachep, page, objnr) - obj_offset(cachep);
+	if (is_kfence_address(ptr))
+		offset = ptr - kfence_object_start(ptr);
+	else
+		offset = ptr - index_to_obj(cachep, page, objnr) - obj_offset(cachep);
 
 	/* Allow address range falling entirely within usercopy region. */
 	if (offset >= cachep->useroffset &&
diff --git a/mm/slab.h b/mm/slab.h
index 6952e10..4738d19b 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -46,6 +46,7 @@
 #include <linux/kmemleak.h>
 #include <linux/random.h>
 #include <linux/sched/mm.h>
+#include <linux/android_vendor.h>
 
 /*
  * State of the slab allocator.
@@ -91,6 +92,27 @@
 
 gfp_t kmalloc_fix_flags(gfp_t flags);
 
+#ifdef CONFIG_SLUB
+/*
+ * Tracking user of a slab.
+ */
+#define TRACK_ADDRS_COUNT 16
+struct track {
+	unsigned long addr;	/* Called from address */
+#ifdef CONFIG_STACKTRACE
+	unsigned long addrs[TRACK_ADDRS_COUNT];	/* Called from address */
+#endif
+	int cpu;		/* Was running on cpu */
+	int pid;		/* Pid context */
+	unsigned long when;	/* When did the operation occur */
+#ifdef CONFIG_STACKTRACE
+	ANDROID_OEM_DATA(1);
+#endif
+};
+
+enum track_item { TRACK_ALLOC, TRACK_FREE };
+#endif
+
 /* Functions provided by the slab allocators */
 int __kmem_cache_create(struct kmem_cache *, slab_flags_t flags);
 
@@ -215,10 +237,32 @@
 DECLARE_STATIC_KEY_FALSE(slub_debug_enabled);
 #endif
 extern void print_tracking(struct kmem_cache *s, void *object);
+extern unsigned long get_each_object_track(struct kmem_cache *s,
+		struct page *page, enum track_item alloc,
+		int (*fn)(const struct kmem_cache *, const void *,
+		const struct track *, void *), void *private);
+extern slab_flags_t slub_debug;
+static inline bool __slub_debug_enabled(void)
+{
+	return static_branch_unlikely(&slub_debug_enabled);
+}
 #else
 static inline void print_tracking(struct kmem_cache *s, void *object)
 {
 }
+static inline bool __slub_debug_enabled(void)
+{
+	return false;
+}
+#ifdef CONFIG_SLUB
+static inline unsigned long get_each_object_track(struct kmem_cache *s,
+		struct page *page, enum track_item alloc,
+		int (*fn)(const struct kmem_cache *, const void *,
+		const struct track *, void *), void *private)
+{
+	return 0;
+}
+#endif
 #endif
 
 /*
@@ -228,11 +272,10 @@
  */
 static inline bool kmem_cache_debug_flags(struct kmem_cache *s, slab_flags_t flags)
 {
-#ifdef CONFIG_SLUB_DEBUG
-	VM_WARN_ON_ONCE(!(flags & SLAB_DEBUG_FLAGS));
-	if (static_branch_unlikely(&slub_debug_enabled))
+	if (IS_ENABLED(CONFIG_SLUB_DEBUG))
+		VM_WARN_ON_ONCE(!(flags & SLAB_DEBUG_FLAGS));
+	if (__slub_debug_enabled())
 		return s->flags & flags;
-#endif
 	return false;
 }
 
@@ -522,15 +565,24 @@
 }
 
 static inline void slab_post_alloc_hook(struct kmem_cache *s,
-					struct obj_cgroup *objcg,
-					gfp_t flags, size_t size, void **p)
+					struct obj_cgroup *objcg, gfp_t flags,
+					size_t size, void **p, bool init)
 {
 	size_t i;
 
 	flags &= gfp_allowed_mask;
+
+	/*
+	 * As memory initialization might be integrated into KASAN,
+	 * kasan_slab_alloc and initialization memset must be
+	 * kept together to avoid discrepancies in behavior.
+	 *
+	 * As p[i] might get tagged, memset and kmemleak hook come after KASAN.
+	 */
 	for (i = 0; i < size; i++) {
-		p[i] = kasan_slab_alloc(s, p[i], flags);
-		/* As p[i] might get tagged, call kmemleak hook after KASAN. */
+		p[i] = kasan_slab_alloc(s, p[i], flags, init);
+		if (p[i] && init && !kasan_has_integrated_init())
+			memset(p[i], 0, s->object_size);
 		kmemleak_alloc_recursive(p[i], s->object_size, 1,
 					 s->flags, flags);
 	}
@@ -635,4 +687,10 @@
 	return false;
 }
 
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_SLUB_DEBUG)
+void debugfs_slab_release(struct kmem_cache *);
+#else
+static inline void debugfs_slab_release(struct kmem_cache *s) { }
+#endif
+
 #endif /* MM_SLAB_H */
diff --git a/mm/slab_common.c b/mm/slab_common.c
index ec83290..d7550c9 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -12,12 +12,14 @@
 #include <linux/memory.h>
 #include <linux/cache.h>
 #include <linux/compiler.h>
+#include <linux/kfence.h>
 #include <linux/module.h>
 #include <linux/cpu.h>
 #include <linux/uaccess.h>
 #include <linux/seq_file.h>
 #include <linux/proc_fs.h>
 #include <linux/debugfs.h>
+#include <linux/kasan.h>
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 #include <asm/page.h>
@@ -25,7 +27,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/kmem.h>
-
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
 #include "internal.h"
 
 #include "slab.h"
@@ -53,7 +56,7 @@
  */
 #define SLAB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
 		SLAB_TRACE | SLAB_TYPESAFE_BY_RCU | SLAB_NOLEAKTRACE | \
-		SLAB_FAILSLAB | SLAB_KASAN)
+		SLAB_FAILSLAB | kasan_never_merge())
 
 #define SLAB_MERGE_SAME (SLAB_RECLAIM_ACCOUNT | SLAB_CACHE_DMA | \
 			 SLAB_CACHE_DMA32 | SLAB_ACCOUNT)
@@ -434,6 +437,8 @@
 	rcu_barrier();
 
 	list_for_each_entry_safe(s, s2, &to_destroy, list) {
+		debugfs_slab_release(s);
+		kfence_shutdown_cache(s);
 #ifdef SLAB_SUPPORTS_SYSFS
 		sysfs_slab_release(s);
 #else
@@ -459,6 +464,8 @@
 		list_add_tail(&s->list, &slab_caches_to_rcu_destroy);
 		schedule_work(&slab_caches_to_rcu_destroy_work);
 	} else {
+		kfence_shutdown_cache(s);
+		debugfs_slab_release(s);
 #ifdef SLAB_SUPPORTS_SYSFS
 		sysfs_slab_unlink(s);
 		sysfs_slab_release(s);
@@ -481,7 +488,7 @@
 {
 	int err;
 
-	if (unlikely(!s))
+	if (unlikely(!s) || !kasan_check_byte(s))
 		return;
 
 	get_online_cpus();
@@ -577,6 +584,7 @@
 		panic("Out of memory when creating slab %s\n", name);
 
 	create_boot_cache(s, name, size, flags, useroffset, usersize);
+	kasan_cache_create_kmalloc(s);
 	list_add(&s->list, &slab_caches);
 	s->refcount = 1;
 	return s;
@@ -927,6 +935,7 @@
 	seq_puts(m, " : globalstat <listallocs> <maxobjs> <grown> <reaped> <error> <maxfreeable> <nodeallocs> <remotefrees> <alienoverflow>");
 	seq_puts(m, " : cpustat <allochit> <allocmiss> <freehit> <freemiss>");
 #endif
+	trace_android_vh_print_slabinfo_header(m);
 	seq_putc(m, '\n');
 }
 
@@ -962,6 +971,7 @@
 	seq_printf(m, " : slabdata %6lu %6lu %6lu",
 		   sinfo.active_slabs, sinfo.num_slabs, sinfo.shared_avail);
 	slabinfo_show_stats(m, s);
+	trace_android_vh_cache_show(m, &sinfo, s);
 	seq_putc(m, '\n');
 }
 
@@ -1069,16 +1079,27 @@
 	void *ret;
 	size_t ks;
 
-	ks = ksize(p);
+	/* Don't use instrumented ksize to allow precise KASAN poisoning. */
+	if (likely(!ZERO_OR_NULL_PTR(p))) {
+		if (!kasan_check_byte(p))
+			return NULL;
+		ks = kfence_ksize(p) ?: __ksize(p);
+	} else
+		ks = 0;
 
+	/* If the object still fits, repoison it precisely. */
 	if (ks >= new_size) {
 		p = kasan_krealloc((void *)p, new_size, flags);
 		return (void *)p;
 	}
 
 	ret = kmalloc_track_caller(new_size, flags);
-	if (ret && p)
-		memcpy(ret, p, ks);
+	if (ret && p) {
+		/* Disable KASAN checks as the object's redzone is accessed. */
+		kasan_disable_current();
+		memcpy(ret, kasan_reset_tag(p), ks);
+		kasan_enable_current();
+	}
 
 	return ret;
 }
@@ -1155,27 +1176,29 @@
 	size_t size;
 
 	/*
-	 * We need to check that the pointed to object is valid, and only then
-	 * unpoison the shadow memory below. We use __kasan_check_read(), to
-	 * generate a more useful report at the time ksize() is called (rather
-	 * than later where behaviour is undefined due to potential
-	 * use-after-free or double-free).
+	 * We need to first check that the pointer to the object is valid, and
+	 * only then unpoison the memory. The report printed from ksize() is
+	 * more useful, then when it's printed later when the behaviour could
+	 * be undefined due to a potential use-after-free or double-free.
 	 *
-	 * If the pointed to memory is invalid we return 0, to avoid users of
+	 * We use kasan_check_byte(), which is supported for the hardware
+	 * tag-based KASAN mode, unlike kasan_check_read/write().
+	 *
+	 * If the pointed to memory is invalid, we return 0 to avoid users of
 	 * ksize() writing to and potentially corrupting the memory region.
 	 *
 	 * We want to perform the check before __ksize(), to avoid potentially
 	 * crashing in __ksize() due to accessing invalid metadata.
 	 */
-	if (unlikely(ZERO_OR_NULL_PTR(objp)) || !__kasan_check_read(objp, 1))
+	if (unlikely(ZERO_OR_NULL_PTR(objp)) || !kasan_check_byte(objp))
 		return 0;
 
-	size = __ksize(objp);
+	size = kfence_ksize(objp) ?: __ksize(objp);
 	/*
 	 * We assume that ksize callers could use whole allocated area,
 	 * so we need to unpoison this area.
 	 */
-	kasan_unpoison_shadow(objp, size);
+	kasan_unpoison_range(objp, size);
 	return size;
 }
 EXPORT_SYMBOL(ksize);
diff --git a/mm/slub.c b/mm/slub.c
index b0f6375..49f804c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -28,6 +28,7 @@
 #include <linux/ctype.h>
 #include <linux/debugobjects.h>
 #include <linux/kallsyms.h>
+#include <linux/kfence.h>
 #include <linux/memory.h>
 #include <linux/math64.h>
 #include <linux/fault-inject.h>
@@ -36,7 +37,9 @@
 #include <linux/memcontrol.h>
 #include <linux/random.h>
 
+#include <linux/debugfs.h>
 #include <trace/events/kmem.h>
+#include <trace/hooks/mm.h>
 
 #include "internal.h"
 
@@ -200,22 +203,6 @@
 /* Use cmpxchg_double */
 #define __CMPXCHG_DOUBLE	((slab_flags_t __force)0x40000000U)
 
-/*
- * Tracking user of a slab.
- */
-#define TRACK_ADDRS_COUNT 16
-struct track {
-	unsigned long addr;	/* Called from address */
-#ifdef CONFIG_STACKTRACE
-	unsigned long addrs[TRACK_ADDRS_COUNT];	/* Called from address */
-#endif
-	int cpu;		/* Was running on cpu */
-	int pid;		/* Pid context */
-	unsigned long when;	/* When did the operation occur */
-};
-
-enum track_item { TRACK_ALLOC, TRACK_FREE };
-
 #ifdef CONFIG_SYSFS
 static int sysfs_slab_add(struct kmem_cache *);
 static int sysfs_slab_alias(struct kmem_cache *, const char *);
@@ -225,6 +212,12 @@
 							{ return 0; }
 #endif
 
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_SLUB_DEBUG)
+static void debugfs_slab_add(struct kmem_cache *);
+#else
+static inline void debugfs_slab_add(struct kmem_cache *s) { }
+#endif
+
 static inline void stat(const struct kmem_cache *s, enum stat_item si)
 {
 #ifdef CONFIG_SLUB_STATS
@@ -250,7 +243,7 @@
 {
 #ifdef CONFIG_SLAB_FREELIST_HARDENED
 	/*
-	 * When CONFIG_KASAN_SW_TAGS is enabled, ptr_addr might be tagged.
+	 * When CONFIG_KASAN_SW/HW_TAGS is enabled, ptr_addr might be tagged.
 	 * Normally, this doesn't cause any issues, as both set_freepointer()
 	 * and get_freepointer() are called with a pointer with the same tag.
 	 * However, there are some issues with CONFIG_SLUB_DEBUG code. For
@@ -276,6 +269,7 @@
 
 static inline void *get_freepointer(struct kmem_cache *s, void *object)
 {
+	object = kasan_reset_tag(object);
 	return freelist_dereference(s, object + s->offset);
 }
 
@@ -292,6 +286,7 @@
 	if (!debug_pagealloc_enabled_static())
 		return get_freepointer(s, object);
 
+	object = kasan_reset_tag(object);
 	freepointer_addr = (unsigned long)object + s->offset;
 	copy_from_kernel_nofault(&p, (void **)freepointer_addr, sizeof(p));
 	return freelist_ptr(s, p, freepointer_addr);
@@ -305,6 +300,7 @@
 	BUG_ON(object == fp); /* naive detection of double free or corruption */
 #endif
 
+	freeptr_addr = (unsigned long)kasan_reset_tag((void *)freeptr_addr);
 	*(void **)freeptr_addr = freelist_ptr(s, fp, freeptr_addr);
 }
 
@@ -487,9 +483,9 @@
  * Debug settings:
  */
 #if defined(CONFIG_SLUB_DEBUG_ON)
-static slab_flags_t slub_debug = DEBUG_DEFAULT_FLAGS;
+slab_flags_t slub_debug = DEBUG_DEFAULT_FLAGS;
 #else
-static slab_flags_t slub_debug;
+slab_flags_t slub_debug;
 #endif
 
 static char *slub_debug_string;
@@ -539,8 +535,8 @@
 			  unsigned int length)
 {
 	metadata_access_enable();
-	print_hex_dump(level, text, DUMP_PREFIX_ADDRESS, 16, 1, addr,
-			length, 1);
+	print_hex_dump(level, text, DUMP_PREFIX_ADDRESS,
+			16, 1, kasan_reset_tag((void *)addr), length, 1);
 	metadata_access_disable();
 }
 
@@ -571,9 +567,44 @@
 
 	p = object + get_info_end(s);
 
-	return p + alloc;
+	return kasan_reset_tag(p + alloc);
 }
 
+/*
+ * This function will be used to loop through all the slab objects in
+ * a page to give track structure for each object, the function fn will
+ * be using this track structure and extract required info into its private
+ * data, the return value will be the number of track structures that are
+ * processed.
+ */
+unsigned long get_each_object_track(struct kmem_cache *s,
+		struct page *page, enum track_item alloc,
+		int (*fn)(const struct kmem_cache *, const void *,
+		const struct track *, void *), void *private)
+{
+	void *p;
+	struct track *t;
+	int ret;
+	unsigned long num_track = 0;
+
+	if (!slub_debug || !(s->flags & SLAB_STORE_USER))
+		return 0;
+
+	slab_lock(page);
+	for_each_object(p, s, page_address(page), page->objects) {
+		t = get_track(s, p, alloc);
+		metadata_access_enable();
+		ret = fn(s, p, t, private);
+		metadata_access_disable();
+		if (ret < 0)
+			break;
+		num_track += 1;
+	}
+	slab_unlock(page);
+	return num_track;
+}
+EXPORT_SYMBOL_GPL(get_each_object_track);
+
 static void set_track(struct kmem_cache *s, void *object,
 			enum track_item alloc, unsigned long addr)
 {
@@ -584,11 +615,14 @@
 		unsigned int nr_entries;
 
 		metadata_access_enable();
-		nr_entries = stack_trace_save(p->addrs, TRACK_ADDRS_COUNT, 3);
+		nr_entries = stack_trace_save(kasan_reset_tag(p->addrs),
+					      TRACK_ADDRS_COUNT, 3);
 		metadata_access_disable();
 
 		if (nr_entries < TRACK_ADDRS_COUNT)
 			p->addrs[nr_entries] = 0;
+		trace_android_vh_save_track_hash(alloc == TRACK_ALLOC,
+						(unsigned long)p);
 #endif
 		p->addr = addr;
 		p->cpu = smp_processor_id();
@@ -655,8 +689,6 @@
 	pr_err("=============================================================================\n");
 	pr_err("BUG %s (%s): %pV\n", s->name, print_tainted(), &vaf);
 	pr_err("-----------------------------------------------------------------------------\n\n");
-
-	add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
 	va_end(args);
 }
 
@@ -730,6 +762,7 @@
 {
 	slab_bug(s, "%s", reason);
 	print_trailer(s, page, object);
+	add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
 }
 
 static __printf(3, 4) void slab_err(struct kmem_cache *s, struct page *page,
@@ -744,11 +777,12 @@
 	slab_bug(s, "%s", buf);
 	print_page_info(page);
 	dump_stack();
+	add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
 }
 
 static void init_object(struct kmem_cache *s, void *object, u8 val)
 {
-	u8 *p = object;
+	u8 *p = kasan_reset_tag(object);
 
 	if (s->flags & SLAB_RED_ZONE)
 		memset(p - s->red_left_pad, val, s->red_left_pad);
@@ -778,7 +812,7 @@
 	u8 *addr = page_address(page);
 
 	metadata_access_enable();
-	fault = memchr_inv(start, value, bytes);
+	fault = memchr_inv(kasan_reset_tag(start), value, bytes);
 	metadata_access_disable();
 	if (!fault)
 		return 1;
@@ -792,6 +826,7 @@
 					fault, end - 1, fault - addr,
 					fault[0], value);
 	print_trailer(s, page, object);
+	add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
 
 	restore_bytes(s, what, value, fault, end);
 	return 0;
@@ -874,7 +909,7 @@
 
 	pad = end - remainder;
 	metadata_access_enable();
-	fault = memchr_inv(pad, POISON_INUSE, remainder);
+	fault = memchr_inv(kasan_reset_tag(pad), POISON_INUSE, remainder);
 	metadata_access_disable();
 	if (!fault)
 		return 1;
@@ -1119,7 +1154,7 @@
 		return;
 
 	metadata_access_enable();
-	memset(addr, POISON_INUSE, page_size(page));
+	memset(kasan_reset_tag(addr), POISON_INUSE, page_size(page));
 	metadata_access_disable();
 }
 
@@ -1509,10 +1544,11 @@
 static __always_inline void kfree_hook(void *x)
 {
 	kmemleak_free(x);
-	kasan_kfree_large(x, _RET_IP_);
+	kasan_kfree_large(x);
 }
 
-static __always_inline bool slab_free_hook(struct kmem_cache *s, void *x)
+static __always_inline bool slab_free_hook(struct kmem_cache *s,
+						void *x, bool init)
 {
 	kmemleak_free_recursive(x, s->flags);
 
@@ -1538,8 +1574,25 @@
 		__kcsan_check_access(x, s->object_size,
 				     KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ASSERT);
 
-	/* KASAN might put x into memory quarantine, delaying its reuse */
-	return kasan_slab_free(s, x, _RET_IP_);
+	/*
+	 * As memory initialization might be integrated into KASAN,
+	 * kasan_slab_free and initialization memset's must be
+	 * kept together to avoid discrepancies in behavior.
+	 *
+	 * The initialization memset's clear the object and the metadata,
+	 * but don't touch the SLAB redzone.
+	 */
+	if (init) {
+		int rsize;
+
+		if (!kasan_has_integrated_init())
+			memset(kasan_reset_tag(x), 0, s->object_size);
+		rsize = (s->flags & SLAB_RED_ZONE) ? s->red_left_pad : 0;
+		memset((char *)kasan_reset_tag(x) + s->inuse, 0,
+		       s->size - s->inuse - rsize);
+	}
+	/* KASAN might put x into memory quarantine, delaying its reuse. */
+	return kasan_slab_free(s, x, init);
 }
 
 static inline bool slab_free_freelist_hook(struct kmem_cache *s,
@@ -1550,7 +1603,11 @@
 	void *object;
 	void *next = *head;
 	void *old_tail = *tail ? *tail : *head;
-	int rsize;
+
+	if (is_kfence_address(next)) {
+		slab_free_hook(s, next, false);
+		return true;
+	}
 
 	/* Head and tail of the reconstructed freelist */
 	*head = NULL;
@@ -1560,20 +1617,8 @@
 		object = next;
 		next = get_freepointer(s, object);
 
-		if (slab_want_init_on_free(s)) {
-			/*
-			 * Clear the object and the metadata, but don't touch
-			 * the redzone.
-			 */
-			memset(object, 0, s->object_size);
-			rsize = (s->flags & SLAB_RED_ZONE) ? s->red_left_pad
-							   : 0;
-			memset((char *)object + s->inuse, 0,
-			       s->size - s->inuse - rsize);
-
-		}
 		/* If object's reuse doesn't have to be delayed */
-		if (!slab_free_hook(s, object)) {
+		if (!slab_free_hook(s, object, slab_want_init_on_free(s))) {
 			/* Move object to the new freelist */
 			set_freepointer(s, object, *head);
 			*head = object;
@@ -2796,7 +2841,8 @@
 						   void *obj)
 {
 	if (unlikely(slab_want_init_on_free(s)) && obj)
-		memset((void *)((char *)obj + s->offset), 0, sizeof(void *));
+		memset((void *)((char *)kasan_reset_tag(obj) + s->offset),
+			0, sizeof(void *));
 }
 
 /*
@@ -2810,17 +2856,23 @@
  * Otherwise we can simply pick the next object from the lockless free list.
  */
 static __always_inline void *slab_alloc_node(struct kmem_cache *s,
-		gfp_t gfpflags, int node, unsigned long addr)
+		gfp_t gfpflags, int node, unsigned long addr, size_t orig_size)
 {
 	void *object;
 	struct kmem_cache_cpu *c;
 	struct page *page;
 	unsigned long tid;
 	struct obj_cgroup *objcg = NULL;
+	bool init = false;
 
 	s = slab_pre_alloc_hook(s, &objcg, 1, gfpflags);
 	if (!s)
 		return NULL;
+
+	object = kfence_alloc(s, orig_size, gfpflags);
+	if (unlikely(object))
+		goto out;
+
 redo:
 	/*
 	 * Must read kmem_cache cpu data via this cpu ptr. Preemption is
@@ -2889,24 +2941,23 @@
 	}
 
 	maybe_wipe_obj_freeptr(s, object);
+	init = slab_want_init_on_alloc(gfpflags, s);
 
-	if (unlikely(slab_want_init_on_alloc(gfpflags, s)) && object)
-		memset(object, 0, s->object_size);
-
-	slab_post_alloc_hook(s, objcg, gfpflags, 1, &object);
+out:
+	slab_post_alloc_hook(s, objcg, gfpflags, 1, &object, init);
 
 	return object;
 }
 
 static __always_inline void *slab_alloc(struct kmem_cache *s,
-		gfp_t gfpflags, unsigned long addr)
+		gfp_t gfpflags, unsigned long addr, size_t orig_size)
 {
-	return slab_alloc_node(s, gfpflags, NUMA_NO_NODE, addr);
+	return slab_alloc_node(s, gfpflags, NUMA_NO_NODE, addr, orig_size);
 }
 
 void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
 {
-	void *ret = slab_alloc(s, gfpflags, _RET_IP_);
+	void *ret = slab_alloc(s, gfpflags, _RET_IP_, s->object_size);
 
 	trace_kmem_cache_alloc(_RET_IP_, ret, s->object_size,
 				s->size, gfpflags);
@@ -2918,7 +2969,7 @@
 #ifdef CONFIG_TRACING
 void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
 {
-	void *ret = slab_alloc(s, gfpflags, _RET_IP_);
+	void *ret = slab_alloc(s, gfpflags, _RET_IP_, size);
 	trace_kmalloc(_RET_IP_, ret, size, s->size, gfpflags);
 	ret = kasan_kmalloc(s, ret, size, gfpflags);
 	return ret;
@@ -2929,7 +2980,7 @@
 #ifdef CONFIG_NUMA
 void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
 {
-	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
+	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_, s->object_size);
 
 	trace_kmem_cache_alloc_node(_RET_IP_, ret,
 				    s->object_size, s->size, gfpflags, node);
@@ -2943,7 +2994,7 @@
 				    gfp_t gfpflags,
 				    int node, size_t size)
 {
-	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
+	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_, size);
 
 	trace_kmalloc_node(_RET_IP_, ret,
 			   size, s->size, gfpflags, node);
@@ -2977,6 +3028,9 @@
 
 	stat(s, FREE_SLOWPATH);
 
+	if (kfence_free(head))
+		return;
+
 	if (kmem_cache_debug(s) &&
 	    !free_debug_processing(s, page, head, tail, cnt, addr))
 		return;
@@ -3223,6 +3277,13 @@
 		df->s = cache_from_obj(s, object); /* Support for memcg */
 	}
 
+	if (is_kfence_address(object)) {
+		slab_free_hook(df->s, object, false);
+		__kfence_free(object);
+		p[size] = NULL; /* mark object processed */
+		return size;
+	}
+
 	/* Start new detached freelist */
 	df->page = page;
 	set_freepointer(df->s, object, NULL);
@@ -3298,8 +3359,14 @@
 	c = this_cpu_ptr(s->cpu_slab);
 
 	for (i = 0; i < size; i++) {
-		void *object = c->freelist;
+		void *object = kfence_alloc(s, s->object_size, flags);
 
+		if (unlikely(object)) {
+			p[i] = object;
+			continue;
+		}
+
+		object = c->freelist;
 		if (unlikely(!object)) {
 			/*
 			 * We may have removed an object from c->freelist using
@@ -3331,20 +3398,16 @@
 	c->tid = next_tid(c->tid);
 	local_irq_enable();
 
-	/* Clear memory outside IRQ disabled fastpath loop */
-	if (unlikely(slab_want_init_on_alloc(flags, s))) {
-		int j;
-
-		for (j = 0; j < i; j++)
-			memset(p[j], 0, s->object_size);
-	}
-
-	/* memcg and kmem_cache debug support */
-	slab_post_alloc_hook(s, objcg, flags, size, p);
+	/*
+	 * memcg and kmem_cache debug support and memory initialization.
+	 * Done outside of the IRQ disabled fastpath loop.
+	 */
+	slab_post_alloc_hook(s, objcg, flags, size, p,
+				slab_want_init_on_alloc(flags, s));
 	return i;
 error:
 	local_irq_enable();
-	slab_post_alloc_hook(s, objcg, flags, i, p);
+	slab_post_alloc_hook(s, objcg, flags, i, p, false);
 	__kmem_cache_free_bulk(s, i, p);
 	return 0;
 }
@@ -3540,8 +3603,7 @@
 	init_object(kmem_cache_node, n, SLUB_RED_ACTIVE);
 	init_tracking(kmem_cache_node, n);
 #endif
-	n = kasan_kmalloc(kmem_cache_node, n, sizeof(struct kmem_cache_node),
-		      GFP_KERNEL);
+	n = kasan_slab_alloc(kmem_cache_node, n, GFP_KERNEL, false);
 	page->freelist = get_freepointer(kmem_cache_node, n);
 	page->inuse = 1;
 	page->frozen = 0;
@@ -3964,7 +4026,7 @@
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc(s, flags, _RET_IP_);
+	ret = slab_alloc(s, flags, _RET_IP_, size);
 
 	trace_kmalloc(_RET_IP_, ret, size, s->size, flags);
 
@@ -4012,7 +4074,7 @@
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc_node(s, flags, node, _RET_IP_);
+	ret = slab_alloc_node(s, flags, node, _RET_IP_, size);
 
 	trace_kmalloc_node(_RET_IP_, ret, size, s->size, flags, node);
 
@@ -4038,6 +4100,7 @@
 	struct kmem_cache *s;
 	unsigned int offset;
 	size_t object_size;
+	bool is_kfence = is_kfence_address(ptr);
 
 	ptr = kasan_reset_tag(ptr);
 
@@ -4050,10 +4113,13 @@
 			       to_user, 0, n);
 
 	/* Find offset within object. */
-	offset = (ptr - page_address(page)) % s->size;
+	if (is_kfence)
+		offset = ptr - kfence_object_start(ptr);
+	else
+		offset = (ptr - page_address(page)) % s->size;
 
 	/* Adjust for redzone and reject if within the redzone. */
-	if (kmem_cache_debug_flags(s, SLAB_RED_ZONE)) {
+	if (!is_kfence && kmem_cache_debug_flags(s, SLAB_RED_ZONE)) {
 		if (offset < s->red_left_pad)
 			usercopy_abort("SLUB object in left red zone",
 				       s->name, to_user, offset, n);
@@ -4443,10 +4509,15 @@
 		return 0;
 
 	err = sysfs_slab_add(s);
-	if (err)
+	if (err) {
 		__kmem_cache_release(s);
+		return err;
+	}
 
-	return err;
+	if (s->flags & SLAB_STORE_USER)
+		debugfs_slab_add(s);
+
+	return 0;
 }
 
 void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
@@ -4462,7 +4533,7 @@
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc(s, gfpflags, caller);
+	ret = slab_alloc(s, gfpflags, caller, size);
 
 	/* Honor the call site pointer we received. */
 	trace_kmalloc(caller, ret, size, s->size, gfpflags);
@@ -4493,7 +4564,7 @@
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc_node(s, gfpflags, node, caller);
+	ret = slab_alloc_node(s, gfpflags, node, caller, size);
 
 	/* Honor the call site pointer we received. */
 	trace_kmalloc_node(caller, ret, size, s->size, gfpflags, node);
@@ -4586,6 +4657,8 @@
 
 	return count;
 }
+
+#ifdef CONFIG_DEBUG_FS
 /*
  * Generate lists of code addresses where slabcache objects are allocated
  * and freed.
@@ -4607,8 +4680,11 @@
 	unsigned long max;
 	unsigned long count;
 	struct location *loc;
+	loff_t idx;
 };
 
+static struct dentry *slab_debugfs_root;
+
 static void free_loc_track(struct loc_track *t)
 {
 	if (t->max)
@@ -4725,87 +4801,7 @@
 			add_location(t, s, get_track(s, p, alloc));
 	put_map(map);
 }
-
-static int list_locations(struct kmem_cache *s, char *buf,
-					enum track_item alloc)
-{
-	int len = 0;
-	unsigned long i;
-	struct loc_track t = { 0, 0, NULL };
-	int node;
-	struct kmem_cache_node *n;
-
-	if (!alloc_loc_track(&t, PAGE_SIZE / sizeof(struct location),
-			     GFP_KERNEL)) {
-		return sprintf(buf, "Out of memory\n");
-	}
-	/* Push back cpu slabs */
-	flush_all(s);
-
-	for_each_kmem_cache_node(s, node, n) {
-		unsigned long flags;
-		struct page *page;
-
-		if (!atomic_long_read(&n->nr_slabs))
-			continue;
-
-		spin_lock_irqsave(&n->list_lock, flags);
-		list_for_each_entry(page, &n->partial, slab_list)
-			process_slab(&t, s, page, alloc);
-		list_for_each_entry(page, &n->full, slab_list)
-			process_slab(&t, s, page, alloc);
-		spin_unlock_irqrestore(&n->list_lock, flags);
-	}
-
-	for (i = 0; i < t.count; i++) {
-		struct location *l = &t.loc[i];
-
-		if (len > PAGE_SIZE - KSYM_SYMBOL_LEN - 100)
-			break;
-		len += sprintf(buf + len, "%7ld ", l->count);
-
-		if (l->addr)
-			len += sprintf(buf + len, "%pS", (void *)l->addr);
-		else
-			len += sprintf(buf + len, "<not-available>");
-
-		if (l->sum_time != l->min_time) {
-			len += sprintf(buf + len, " age=%ld/%ld/%ld",
-				l->min_time,
-				(long)div_u64(l->sum_time, l->count),
-				l->max_time);
-		} else
-			len += sprintf(buf + len, " age=%ld",
-				l->min_time);
-
-		if (l->min_pid != l->max_pid)
-			len += sprintf(buf + len, " pid=%ld-%ld",
-				l->min_pid, l->max_pid);
-		else
-			len += sprintf(buf + len, " pid=%ld",
-				l->min_pid);
-
-		if (num_online_cpus() > 1 &&
-				!cpumask_empty(to_cpumask(l->cpus)) &&
-				len < PAGE_SIZE - 60)
-			len += scnprintf(buf + len, PAGE_SIZE - len - 50,
-					 " cpus=%*pbl",
-					 cpumask_pr_args(to_cpumask(l->cpus)));
-
-		if (nr_online_nodes > 1 && !nodes_empty(l->nodes) &&
-				len < PAGE_SIZE - 60)
-			len += scnprintf(buf + len, PAGE_SIZE - len - 50,
-					 " nodes=%*pbl",
-					 nodemask_pr_args(&l->nodes));
-
-		len += sprintf(buf + len, "\n");
-	}
-
-	free_loc_track(&t);
-	if (!t.count)
-		len += sprintf(buf, "No data\n");
-	return len;
-}
+#endif	/* CONFIG_DEBUG_FS */
 #endif	/* CONFIG_SLUB_DEBUG */
 
 #ifdef SLUB_RESILIENCY_TEST
@@ -5265,21 +5261,6 @@
 }
 SLAB_ATTR(validate);
 
-static ssize_t alloc_calls_show(struct kmem_cache *s, char *buf)
-{
-	if (!(s->flags & SLAB_STORE_USER))
-		return -ENOSYS;
-	return list_locations(s, buf, TRACK_ALLOC);
-}
-SLAB_ATTR_RO(alloc_calls);
-
-static ssize_t free_calls_show(struct kmem_cache *s, char *buf)
-{
-	if (!(s->flags & SLAB_STORE_USER))
-		return -ENOSYS;
-	return list_locations(s, buf, TRACK_FREE);
-}
-SLAB_ATTR_RO(free_calls);
 #endif /* CONFIG_SLUB_DEBUG */
 
 #ifdef CONFIG_FAILSLAB
@@ -5440,8 +5421,6 @@
 	&poison_attr.attr,
 	&store_user_attr.attr,
 	&validate_attr.attr,
-	&alloc_calls_attr.attr,
-	&free_calls_attr.attr,
 #endif
 #ifdef CONFIG_ZONE_DMA
 	&cache_dma_attr.attr,
@@ -5733,6 +5712,180 @@
 __initcall(slab_sysfs_init);
 #endif /* CONFIG_SYSFS */
 
+#if defined(CONFIG_SLUB_DEBUG) && defined(CONFIG_DEBUG_FS)
+static int slab_debugfs_show(struct seq_file *seq, void *v)
+{
+	struct loc_track *t = seq->private;
+	struct location *l;
+	unsigned long idx;
+
+	idx = (unsigned long) t->idx;
+	if (idx < t->count) {
+		l = &t->loc[idx];
+
+		seq_printf(seq, "%7ld ", l->count);
+
+		if (l->addr)
+			seq_printf(seq, "%pS", (void *)l->addr);
+		else
+			seq_puts(seq, "<not-available>");
+
+		if (l->sum_time != l->min_time) {
+			seq_printf(seq, " age=%ld/%llu/%ld",
+				l->min_time, div_u64(l->sum_time, l->count),
+				l->max_time);
+		} else
+			seq_printf(seq, " age=%ld", l->min_time);
+
+		if (l->min_pid != l->max_pid)
+			seq_printf(seq, " pid=%ld-%ld", l->min_pid, l->max_pid);
+		else
+			seq_printf(seq, " pid=%ld",
+				l->min_pid);
+
+		if (num_online_cpus() > 1 && !cpumask_empty(to_cpumask(l->cpus)))
+			seq_printf(seq, " cpus=%*pbl",
+				 cpumask_pr_args(to_cpumask(l->cpus)));
+
+		if (nr_online_nodes > 1 && !nodes_empty(l->nodes))
+			seq_printf(seq, " nodes=%*pbl",
+				 nodemask_pr_args(&l->nodes));
+
+		seq_puts(seq, "\n");
+	}
+
+	if (!idx && !t->count)
+		seq_puts(seq, "No data\n");
+
+	return 0;
+}
+
+static void slab_debugfs_stop(struct seq_file *seq, void *v)
+{
+}
+
+static void *slab_debugfs_next(struct seq_file *seq, void *v, loff_t *ppos)
+{
+	struct loc_track *t = seq->private;
+
+	t->idx = ++(*ppos);
+	if (*ppos <= t->count)
+		return ppos;
+
+	return NULL;
+}
+
+static void *slab_debugfs_start(struct seq_file *seq, loff_t *ppos)
+{
+	struct loc_track *t = seq->private;
+
+	t->idx = *ppos;
+	return ppos;
+}
+
+static const struct seq_operations slab_debugfs_sops = {
+	.start  = slab_debugfs_start,
+	.next   = slab_debugfs_next,
+	.stop   = slab_debugfs_stop,
+	.show   = slab_debugfs_show,
+};
+
+static int slab_debug_trace_open(struct inode *inode, struct file *filep)
+{
+
+	struct kmem_cache_node *n;
+	enum track_item alloc;
+	int node;
+	struct loc_track *t = __seq_open_private(filep, &slab_debugfs_sops,
+						sizeof(struct loc_track));
+	struct kmem_cache *s = file_inode(filep)->i_private;
+
+	if (!t)
+		return -ENOMEM;
+
+	if (strcmp(filep->f_path.dentry->d_name.name, "alloc_traces") == 0)
+		alloc = TRACK_ALLOC;
+	else
+		alloc = TRACK_FREE;
+
+	if (!alloc_loc_track(t, PAGE_SIZE / sizeof(struct location), GFP_KERNEL)) {
+		seq_release_private(inode, filep);
+		return -ENOMEM;
+	}
+
+	/* Push back cpu slabs */
+	flush_all(s);
+
+	for_each_kmem_cache_node(s, node, n) {
+		unsigned long flags;
+		struct page *page;
+
+		if (!atomic_long_read(&n->nr_slabs))
+			continue;
+
+		spin_lock_irqsave(&n->list_lock, flags);
+		list_for_each_entry(page, &n->partial, slab_list)
+			process_slab(t, s, page, alloc);
+		list_for_each_entry(page, &n->full, slab_list)
+			process_slab(t, s, page, alloc);
+		spin_unlock_irqrestore(&n->list_lock, flags);
+	}
+
+	return 0;
+}
+
+static int slab_debug_trace_release(struct inode *inode, struct file *file)
+{
+	struct seq_file *seq = file->private_data;
+	struct loc_track *t = seq->private;
+
+	free_loc_track(t);
+	return seq_release_private(inode, file);
+}
+
+static const struct file_operations slab_debugfs_fops = {
+	.open    = slab_debug_trace_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = slab_debug_trace_release,
+};
+
+static void debugfs_slab_add(struct kmem_cache *s)
+{
+	struct dentry *slab_cache_dir;
+
+	if (unlikely(!slab_debugfs_root))
+		return;
+
+	slab_cache_dir = debugfs_create_dir(s->name, slab_debugfs_root);
+
+	debugfs_create_file("alloc_traces", 0400,
+		slab_cache_dir, s, &slab_debugfs_fops);
+
+	debugfs_create_file("free_traces", 0400,
+		slab_cache_dir, s, &slab_debugfs_fops);
+}
+
+void debugfs_slab_release(struct kmem_cache *s)
+{
+	debugfs_remove_recursive(debugfs_lookup(s->name, slab_debugfs_root));
+}
+
+static int __init slab_debugfs_init(void)
+{
+	struct kmem_cache *s;
+
+	slab_debugfs_root = debugfs_create_dir("slab", NULL);
+
+	list_for_each_entry(s, &slab_caches, list)
+		if (s->flags & SLAB_STORE_USER)
+			debugfs_slab_add(s);
+
+	return 0;
+
+}
+__initcall(slab_debugfs_init);
+#endif
 /*
  * The /proc/slabinfo ABI
  */
@@ -5758,6 +5911,7 @@
 	sinfo->objects_per_slab = oo_objects(s->oo);
 	sinfo->cache_order = oo_order(s->oo);
 }
+EXPORT_SYMBOL_GPL(get_slabinfo);
 
 void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s)
 {
diff --git a/mm/swap.c b/mm/swap.c
index 47a4768..a5394d6 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -36,12 +36,16 @@
 #include <linux/hugetlb.h>
 #include <linux/page_idle.h>
 #include <linux/local_lock.h>
+#include <linux/buffer_head.h>
 
 #include "internal.h"
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/pagemap.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
 /* How many pages do we try to swap or page in/out together? */
 int page_cluster;
 
@@ -64,6 +68,7 @@
 	struct pagevec lru_deactivate_file;
 	struct pagevec lru_deactivate;
 	struct pagevec lru_lazyfree;
+	struct pagevec lru_lazyfree_movetail;
 #ifdef CONFIG_SMP
 	struct pagevec activate_page;
 #endif
@@ -85,9 +90,8 @@
 
 		spin_lock_irqsave(&pgdat->lru_lock, flags);
 		lruvec = mem_cgroup_page_lruvec(page, pgdat);
-		VM_BUG_ON_PAGE(!PageLRU(page), page);
-		__ClearPageLRU(page);
-		del_page_from_lru_list(page, lruvec, page_off_lru(page));
+		del_page_from_lru_list(page, lruvec);
+		__clear_page_lru_flags(page);
 		spin_unlock_irqrestore(&pgdat->lru_lock, flags);
 	}
 	__ClearPageWaiters(page);
@@ -238,9 +242,9 @@
 	int *pgmoved = arg;
 
 	if (PageLRU(page) && !PageUnevictable(page)) {
-		del_page_from_lru_list(page, lruvec, page_lru(page));
+		del_page_from_lru_list(page, lruvec);
 		ClearPageActive(page);
-		add_page_to_lru_list_tail(page, lruvec, page_lru(page));
+		add_page_to_lru_list_tail(page, lruvec);
 		(*pgmoved) += thp_nr_pages(page);
 	}
 }
@@ -257,6 +261,19 @@
 	__count_vm_events(PGROTATED, pgmoved);
 }
 
+/* return true if pagevec needs to drain */
+static bool pagevec_add_and_need_flush(struct pagevec *pvec, struct page *page)
+{
+	bool ret = false;
+
+	if (!pagevec_add(pvec, page) || PageCompound(page) ||
+			lru_cache_disabled())
+		ret = true;
+
+	trace_android_vh_pagevec_drain(page, &ret);
+	return ret;
+}
+
 /*
  * Writeback is about to end against a page which has been marked for immediate
  * reclaim.  If it still appears to be reclaimable, move it to the tail of the
@@ -272,7 +289,7 @@
 		get_page(page);
 		local_lock_irqsave(&lru_rotate.lock, flags);
 		pvec = this_cpu_ptr(&lru_rotate.pvec);
-		if (!pagevec_add(pvec, page) || PageCompound(page))
+		if (pagevec_add_and_need_flush(pvec, page))
 			pagevec_move_tail(pvec);
 		local_unlock_irqrestore(&lru_rotate.lock, flags);
 	}
@@ -319,13 +336,11 @@
 			    void *arg)
 {
 	if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
-		int lru = page_lru_base_type(page);
 		int nr_pages = thp_nr_pages(page);
 
-		del_page_from_lru_list(page, lruvec, lru);
+		del_page_from_lru_list(page, lruvec);
 		SetPageActive(page);
-		lru += LRU_ACTIVE;
-		add_page_to_lru_list(page, lruvec, lru);
+		add_page_to_lru_list(page, lruvec);
 		trace_mm_lru_activate(page);
 
 		__count_vm_events(PGACTIVATE, nr_pages);
@@ -348,7 +363,7 @@
 	return pagevec_count(&per_cpu(lru_pvecs.activate_page, cpu)) != 0;
 }
 
-static void activate_page(struct page *page)
+void activate_page(struct page *page)
 {
 	page = compound_head(page);
 	if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
@@ -357,7 +372,7 @@
 		local_lock(&lru_pvecs.lock);
 		pvec = this_cpu_ptr(&lru_pvecs.activate_page);
 		get_page(page);
-		if (!pagevec_add(pvec, page) || PageCompound(page))
+		if (pagevec_add_and_need_flush(pvec, page))
 			pagevec_lru_move_fn(pvec, __activate_page, NULL);
 		local_unlock(&lru_pvecs.lock);
 	}
@@ -368,7 +383,7 @@
 {
 }
 
-static void activate_page(struct page *page)
+void activate_page(struct page *page)
 {
 	pg_data_t *pgdat = page_pgdat(page);
 
@@ -409,6 +424,41 @@
 	local_unlock(&lru_pvecs.lock);
 }
 
+#ifdef CONFIG_LRU_GEN
+static void page_inc_refs(struct page *page)
+{
+	unsigned long new_flags, old_flags;
+
+	if (PageUnevictable(page))
+		return;
+
+	if (!PageReferenced(page)) {
+		SetPageReferenced(page);
+		return;
+	}
+
+	if (!PageWorkingset(page)) {
+		SetPageWorkingset(page);
+		return;
+	}
+
+	/* see the comment on MAX_NR_TIERS */
+	do {
+		old_flags = READ_ONCE(page->flags);
+		new_flags = old_flags & LRU_REFS_MASK;
+		if (new_flags == LRU_REFS_MASK)
+			break;
+
+		new_flags += BIT(LRU_REFS_PGOFF);
+		new_flags |= old_flags & ~LRU_REFS_MASK;
+	} while (cmpxchg(&page->flags, old_flags, new_flags) != old_flags);
+}
+#else
+static void page_inc_refs(struct page *page)
+{
+}
+#endif /* CONFIG_LRU_GEN */
+
 /*
  * Mark a page as having seen activity.
  *
@@ -423,6 +473,11 @@
 {
 	page = compound_head(page);
 
+	if (lru_gen_enabled()) {
+		page_inc_refs(page);
+		return;
+	}
+
 	if (!PageReferenced(page)) {
 		SetPageReferenced(page);
 	} else if (PageUnevictable(page)) {
@@ -466,10 +521,15 @@
 	VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page);
 	VM_BUG_ON_PAGE(PageLRU(page), page);
 
+	/* see the comment in lru_gen_add_page() */
+	if (lru_gen_enabled() && !PageUnevictable(page) &&
+	    lru_gen_in_fault() && !(current->flags & PF_MEMALLOC))
+		SetPageActive(page);
+
 	get_page(page);
 	local_lock(&lru_pvecs.lock);
 	pvec = this_cpu_ptr(&lru_pvecs.lru_add);
-	if (!pagevec_add(pvec, page) || PageCompound(page))
+	if (pagevec_add_and_need_flush(pvec, page))
 		__pagevec_lru_add(pvec);
 	local_unlock(&lru_pvecs.lock);
 }
@@ -483,14 +543,14 @@
  * Place @page on the inactive or unevictable LRU list, depending on its
  * evictability.
  */
-void lru_cache_add_inactive_or_unevictable(struct page *page,
-					 struct vm_area_struct *vma)
+void __lru_cache_add_inactive_or_unevictable(struct page *page,
+					 unsigned long vma_flags)
 {
 	bool unevictable;
 
 	VM_BUG_ON_PAGE(PageLRU(page), page);
 
-	unevictable = (vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) == VM_LOCKED;
+	unevictable = (vma_flags & (VM_LOCKED | VM_SPECIAL)) == VM_LOCKED;
 	if (unlikely(unevictable) && !TestSetPageMlocked(page)) {
 		int nr_pages = thp_nr_pages(page);
 		/*
@@ -528,8 +588,7 @@
 static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec,
 			      void *arg)
 {
-	int lru;
-	bool active;
+	bool active = PageActive(page);
 	int nr_pages = thp_nr_pages(page);
 
 	if (!PageLRU(page))
@@ -542,10 +601,7 @@
 	if (page_mapped(page))
 		return;
 
-	active = PageActive(page);
-	lru = page_lru_base_type(page);
-
-	del_page_from_lru_list(page, lruvec, lru + active);
+	del_page_from_lru_list(page, lruvec);
 	ClearPageActive(page);
 	ClearPageReferenced(page);
 
@@ -555,14 +611,14 @@
 		 * It can make readahead confusing.  But race window
 		 * is _really_ small and  it's non-critical problem.
 		 */
-		add_page_to_lru_list(page, lruvec, lru);
+		add_page_to_lru_list(page, lruvec);
 		SetPageReclaim(page);
 	} else {
 		/*
 		 * The page's writeback ends up during pagevec
 		 * We moves tha page into tail of inactive.
 		 */
-		add_page_to_lru_list_tail(page, lruvec, lru);
+		add_page_to_lru_list_tail(page, lruvec);
 		__count_vm_events(PGROTATED, nr_pages);
 	}
 
@@ -576,14 +632,13 @@
 static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec,
 			    void *arg)
 {
-	if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) {
-		int lru = page_lru_base_type(page);
+	if (PageLRU(page) && !PageUnevictable(page) && (PageActive(page) || lru_gen_enabled())) {
 		int nr_pages = thp_nr_pages(page);
 
-		del_page_from_lru_list(page, lruvec, lru + LRU_ACTIVE);
+		del_page_from_lru_list(page, lruvec);
 		ClearPageActive(page);
 		ClearPageReferenced(page);
-		add_page_to_lru_list(page, lruvec, lru);
+		add_page_to_lru_list(page, lruvec);
 
 		__count_vm_events(PGDEACTIVATE, nr_pages);
 		__count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE,
@@ -596,11 +651,9 @@
 {
 	if (PageLRU(page) && PageAnon(page) && PageSwapBacked(page) &&
 	    !PageSwapCache(page) && !PageUnevictable(page)) {
-		bool active = PageActive(page);
 		int nr_pages = thp_nr_pages(page);
 
-		del_page_from_lru_list(page, lruvec,
-				       LRU_INACTIVE_ANON + active);
+		del_page_from_lru_list(page, lruvec);
 		ClearPageActive(page);
 		ClearPageReferenced(page);
 		/*
@@ -609,7 +662,7 @@
 		 * anonymous pages
 		 */
 		ClearPageSwapBacked(page);
-		add_page_to_lru_list(page, lruvec, LRU_INACTIVE_FILE);
+		add_page_to_lru_list(page, lruvec);
 
 		__count_vm_events(PGLAZYFREE, nr_pages);
 		__count_memcg_events(lruvec_memcg(lruvec), PGLAZYFREE,
@@ -617,6 +670,23 @@
 	}
 }
 
+static void lru_lazyfree_movetail_fn(struct page *page, struct lruvec *lruvec,
+			    void *arg)
+{
+	bool *add_to_tail = (bool *)arg;
+
+	if (PageLRU(page) && !PageUnevictable(page) && PageSwapBacked(page) &&
+		!PageSwapCache(page)) {
+		del_page_from_lru_list(page, lruvec);
+		ClearPageActive(page);
+		ClearPageReferenced(page);
+		if (add_to_tail && *add_to_tail)
+			add_page_to_lru_list_tail(page, lruvec);
+		else
+			add_page_to_lru_list(page, lruvec);
+	}
+}
+
 /*
  * Drain pages out of the cpu's pagevecs.
  * Either "cpu" is the current CPU, and preemption has already been
@@ -652,7 +722,12 @@
 	if (pagevec_count(pvec))
 		pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL);
 
+	pvec = &per_cpu(lru_pvecs.lru_lazyfree_movetail, cpu);
+	if (pagevec_count(pvec))
+		pagevec_lru_move_fn(pvec, lru_lazyfree_movetail_fn, NULL);
+
 	activate_page_drain(cpu);
+	invalidate_bh_lrus_cpu(cpu);
 }
 
 /**
@@ -678,7 +753,7 @@
 		local_lock(&lru_pvecs.lock);
 		pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate_file);
 
-		if (!pagevec_add(pvec, page) || PageCompound(page))
+		if (pagevec_add_and_need_flush(pvec, page))
 			pagevec_lru_move_fn(pvec, lru_deactivate_file_fn, NULL);
 		local_unlock(&lru_pvecs.lock);
 	}
@@ -694,13 +769,13 @@
  */
 void deactivate_page(struct page *page)
 {
-	if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) {
+	if (PageLRU(page) && !PageUnevictable(page) && (PageActive(page) || lru_gen_enabled())) {
 		struct pagevec *pvec;
 
 		local_lock(&lru_pvecs.lock);
 		pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate);
 		get_page(page);
-		if (!pagevec_add(pvec, page) || PageCompound(page))
+		if (pagevec_add_and_need_flush(pvec, page))
 			pagevec_lru_move_fn(pvec, lru_deactivate_fn, NULL);
 		local_unlock(&lru_pvecs.lock);
 	}
@@ -722,12 +797,35 @@
 		local_lock(&lru_pvecs.lock);
 		pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree);
 		get_page(page);
-		if (!pagevec_add(pvec, page) || PageCompound(page))
+		if (pagevec_add_and_need_flush(pvec, page))
 			pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL);
 		local_unlock(&lru_pvecs.lock);
 	}
 }
 
+/**
+ * mark_page_lazyfree_movetail - make a swapbacked page lazyfree
+ * @page: page to deactivate
+ *
+ * mark_page_lazyfree_movetail() moves @page to the tail of inactive file list.
+ * This is done to accelerate the reclaim of @page.
+ */
+void mark_page_lazyfree_movetail(struct page *page, bool tail)
+{
+	if (PageLRU(page) && !PageUnevictable(page) && PageSwapBacked(page) &&
+		!PageSwapCache(page)) {
+		struct pagevec *pvec;
+
+		local_lock(&lru_pvecs.lock);
+		pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree_movetail);
+		get_page(page);
+		if (pagevec_add_and_need_flush(pvec, page))
+			pagevec_lru_move_fn(pvec,
+					lru_lazyfree_movetail_fn, &tail);
+		local_unlock(&lru_pvecs.lock);
+	}
+}
+
 void lru_add_drain(void)
 {
 	local_lock(&lru_pvecs.lock);
@@ -759,7 +857,7 @@
  * Calling this function with cpu hotplug locks held can actually lead
  * to obscure indirect dependencies via WQ context.
  */
-void lru_add_drain_all(void)
+inline void __lru_add_drain_all(bool force_all_cpus)
 {
 	/*
 	 * lru_drain_gen - Global pages generation number
@@ -804,7 +902,7 @@
 	 * (C) Exit the draining operation if a newer generation, from another
 	 * lru_add_drain_all(), was already scheduled for draining. Check (A).
 	 */
-	if (unlikely(this_gen != lru_drain_gen))
+	if (unlikely(this_gen != lru_drain_gen && !force_all_cpus))
 		goto done;
 
 	/*
@@ -834,12 +932,15 @@
 	for_each_online_cpu(cpu) {
 		struct work_struct *work = &per_cpu(lru_add_drain_work, cpu);
 
-		if (pagevec_count(&per_cpu(lru_pvecs.lru_add, cpu)) ||
+		if (force_all_cpus ||
+		    pagevec_count(&per_cpu(lru_pvecs.lru_add, cpu)) ||
 		    data_race(pagevec_count(&per_cpu(lru_rotate.pvec, cpu))) ||
 		    pagevec_count(&per_cpu(lru_pvecs.lru_deactivate_file, cpu)) ||
 		    pagevec_count(&per_cpu(lru_pvecs.lru_deactivate, cpu)) ||
 		    pagevec_count(&per_cpu(lru_pvecs.lru_lazyfree, cpu)) ||
-		    need_activate_page_drain(cpu)) {
+		    pagevec_count(&per_cpu(lru_pvecs.lru_lazyfree_movetail, cpu)) ||
+		    need_activate_page_drain(cpu) ||
+		    has_bh_in_lru(cpu, NULL)) {
 			INIT_WORK(work, lru_add_drain_per_cpu);
 			queue_work_on(cpu, mm_percpu_wq, work);
 			__cpumask_set_cpu(cpu, &has_work);
@@ -852,6 +953,11 @@
 done:
 	mutex_unlock(&lock);
 }
+
+void lru_add_drain_all(void)
+{
+	__lru_add_drain_all(false);
+}
 #else
 void lru_add_drain_all(void)
 {
@@ -859,6 +965,52 @@
 }
 #endif /* CONFIG_SMP */
 
+static atomic_t lru_disable_count = ATOMIC_INIT(0);
+
+bool lru_cache_disabled(void)
+{
+	return atomic_read(&lru_disable_count) != 0;
+}
+
+void lru_cache_enable(void)
+{
+	atomic_dec(&lru_disable_count);
+}
+EXPORT_SYMBOL_GPL(lru_cache_enable);
+
+/*
+ * lru_cache_disable() needs to be called before we start compiling
+ * a list of pages to be migrated using isolate_lru_page().
+ * It drains pages on LRU cache and then disable on all cpus until
+ * lru_cache_enable is called.
+ *
+ * Must be paired with a call to lru_cache_enable().
+ */
+void lru_cache_disable(void)
+{
+	/*
+	 * If someone is already disabled lru_cache, just return with
+	 * increasing the lru_disable_count.
+	 */
+	if (atomic_inc_not_zero(&lru_disable_count))
+		return;
+#ifdef CONFIG_SMP
+	/*
+	 * lru_add_drain_all in the force mode will schedule draining on
+	 * all online CPUs so any calls of lru_cache_disabled wrapped by
+	 * local_lock or preemption disabled would be ordered by that.
+	 * The atomic operation doesn't need to have stronger ordering
+	 * requirements because that is enforeced by the scheduling
+	 * guarantees.
+	 */
+	__lru_add_drain_all(true);
+#else
+	lru_add_drain();
+#endif
+	atomic_inc(&lru_disable_count);
+}
+EXPORT_SYMBOL_GPL(lru_cache_disable);
+
 /**
  * release_pages - batched put_page()
  * @pages: array of pages to release
@@ -936,9 +1088,8 @@
 			}
 
 			lruvec = mem_cgroup_page_lruvec(page, locked_pgdat);
-			VM_BUG_ON_PAGE(!PageLRU(page), page);
-			__ClearPageLRU(page);
-			del_page_from_lru_list(page, lruvec, page_off_lru(page));
+			del_page_from_lru_list(page, lruvec);
+			__clear_page_lru_flags(page);
 		}
 
 		__ClearPageWaiters(page);
@@ -1001,8 +1152,7 @@
 		 * Put page_tail on the list at the correct position
 		 * so they all end up in order.
 		 */
-		add_page_to_lru_list_tail(page_tail, lruvec,
-					  page_lru(page_tail));
+		add_page_to_lru_list_tail(page_tail, lruvec);
 	}
 }
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
@@ -1010,7 +1160,6 @@
 static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec,
 				 void *arg)
 {
-	enum lru_list lru;
 	int was_unevictable = TestClearPageUnevictable(page);
 	int nr_pages = thp_nr_pages(page);
 
@@ -1046,19 +1195,17 @@
 	smp_mb__after_atomic();
 
 	if (page_evictable(page)) {
-		lru = page_lru(page);
 		if (was_unevictable)
 			__count_vm_events(UNEVICTABLE_PGRESCUED, nr_pages);
 	} else {
-		lru = LRU_UNEVICTABLE;
 		ClearPageActive(page);
 		SetPageUnevictable(page);
 		if (!was_unevictable)
 			__count_vm_events(UNEVICTABLE_PGCULLED, nr_pages);
 	}
 
-	add_page_to_lru_list(page, lruvec, lru);
-	trace_mm_lru_insertion(page, lru);
+	add_page_to_lru_list(page, lruvec);
+	trace_mm_lru_insertion(page);
 }
 
 /*
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 5c5cb2d..c8dacfe 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -93,6 +93,7 @@
 	}
 	return ret;
 }
+EXPORT_SYMBOL_GPL(total_swapcache_pages);
 
 static atomic_t swapin_readahead_hits = ATOMIC_INIT(4);
 
@@ -537,7 +538,6 @@
 		workingset_refault(page, shadow);
 
 	/* Caller will initiate read into locked page */
-	SetPageWorkingset(page);
 	lru_cache_add(page);
 	*new_page_allocated = true;
 	return page;
@@ -644,7 +644,11 @@
  * This has been extended to use the NUMA policies from the mm triggering
  * the readahead.
  *
- * Caller must hold read mmap_lock if vmf->vma is not NULL.
+ * Caller must hold down_read on the vma->vm_mm if vmf->vma is not NULL.
+ * This is needed to ensure the VMA will not be freed in our back. In the case
+ * of the speculative page fault handler, this cannot happen, even if we don't
+ * hold the mmap_sem. Callees are assumed to take care of reading VMA's fields
+ * using READ_ONCE() to read consistent values.
  */
 struct page *swap_cluster_readahead(swp_entry_t entry, gfp_t gfp_mask,
 				struct vm_fault *vmf)
@@ -741,9 +745,9 @@
 				     unsigned long *start,
 				     unsigned long *end)
 {
-	*start = max3(lpfn, PFN_DOWN(vma->vm_start),
+	*start = max3(lpfn, PFN_DOWN(READ_ONCE(vma->vm_start)),
 		      PFN_DOWN(faddr & PMD_MASK));
-	*end = min3(rpfn, PFN_DOWN(vma->vm_end),
+	*end = min3(rpfn, PFN_DOWN(READ_ONCE(vma->vm_end)),
 		    PFN_DOWN((faddr & PMD_MASK) + PMD_SIZE));
 }
 
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 86ade66..105aaac 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1969,8 +1969,6 @@
 	si = swap_info[type];
 	pte = pte_offset_map(pmd, addr);
 	do {
-		struct vm_fault vmf;
-
 		if (!is_swap_pte(*pte))
 			continue;
 
@@ -1986,9 +1984,12 @@
 		swap_map = &si->swap_map[offset];
 		page = lookup_swap_cache(entry, vma, addr);
 		if (!page) {
-			vmf.vma = vma;
-			vmf.address = addr;
-			vmf.pmd = pmd;
+			struct vm_fault vmf = {
+				.vma = vma,
+				.address = addr,
+				.pmd = pmd,
+			};
+
 			page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE,
 						&vmf);
 		}
@@ -3442,6 +3443,7 @@
 	val->totalswap = total_swap_pages + nr_to_be_unused;
 	spin_unlock(&swap_lock);
 }
+EXPORT_SYMBOL_GPL(si_swapinfo);
 
 /*
  * Verify that a swap entry is valid and increment its swap map count.
@@ -3813,7 +3815,7 @@
 }
 
 #if defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP)
-void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
+void __cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
 {
 	struct swap_info_struct *si, *next;
 	int nid = page_to_nid(page);
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 078d95c..fa707e5 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -48,6 +48,78 @@
 	return dst_vma;
 }
 
+/*
+ * Install PTEs, to map dst_addr (within dst_vma) to page.
+ *
+ * This function handles both MCOPY_ATOMIC_NORMAL and _CONTINUE for both shmem
+ * and anon, and for both shared and private VMAs.
+ */
+int mfill_atomic_install_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
+			     struct vm_area_struct *dst_vma,
+			     unsigned long dst_addr, struct page *page,
+			     bool newly_allocated, bool wp_copy)
+{
+	int ret;
+	pte_t _dst_pte, *dst_pte;
+	bool writable = dst_vma->vm_flags & VM_WRITE;
+	bool vm_shared = dst_vma->vm_flags & VM_SHARED;
+	bool page_in_cache = page_mapping(page);
+	spinlock_t *ptl;
+	struct inode *inode;
+	pgoff_t offset, max_off;
+
+	_dst_pte = mk_pte(page, dst_vma->vm_page_prot);
+	if (page_in_cache && !vm_shared)
+		writable = false;
+	if (writable || !page_in_cache)
+		_dst_pte = pte_mkdirty(_dst_pte);
+	if (writable) {
+		if (wp_copy)
+			_dst_pte = pte_mkuffd_wp(_dst_pte);
+		else
+			_dst_pte = pte_mkwrite(_dst_pte);
+	}
+
+	dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
+
+	if (vma_is_shmem(dst_vma)) {
+		/* serialize against truncate with the page table lock */
+		inode = dst_vma->vm_file->f_inode;
+		offset = linear_page_index(dst_vma, dst_addr);
+		max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+		ret = -EFAULT;
+		if (unlikely(offset >= max_off))
+			goto out_unlock;
+	}
+
+	ret = -EEXIST;
+	if (!pte_none(*dst_pte))
+		goto out_unlock;
+
+	if (page_in_cache)
+		page_add_file_rmap(page, false);
+	else
+		page_add_new_anon_rmap(page, dst_vma, dst_addr, false);
+
+	/*
+	 * Must happen after rmap, as mm_counter() checks mapping (via
+	 * PageAnon()), which is set by __page_set_anon_rmap().
+	 */
+	inc_mm_counter(dst_mm, mm_counter(page));
+
+	if (newly_allocated)
+		lru_cache_add_inactive_or_unevictable(page, dst_vma);
+
+	set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
+
+	/* No need to invalidate - it was non-present before */
+	update_mmu_cache(dst_vma, dst_addr, dst_pte);
+	ret = 0;
+out_unlock:
+	pte_unmap_unlock(dst_pte, ptl);
+	return ret;
+}
+
 static int mcopy_atomic_pte(struct mm_struct *dst_mm,
 			    pmd_t *dst_pmd,
 			    struct vm_area_struct *dst_vma,
@@ -56,13 +128,9 @@
 			    struct page **pagep,
 			    bool wp_copy)
 {
-	pte_t _dst_pte, *dst_pte;
-	spinlock_t *ptl;
 	void *page_kaddr;
 	int ret;
 	struct page *page;
-	pgoff_t offset, max_off;
-	struct inode *inode;
 
 	if (!*pagep) {
 		ret = -ENOMEM;
@@ -101,43 +169,12 @@
 	if (mem_cgroup_charge(page, dst_mm, GFP_KERNEL))
 		goto out_release;
 
-	_dst_pte = pte_mkdirty(mk_pte(page, dst_vma->vm_page_prot));
-	if (dst_vma->vm_flags & VM_WRITE) {
-		if (wp_copy)
-			_dst_pte = pte_mkuffd_wp(_dst_pte);
-		else
-			_dst_pte = pte_mkwrite(_dst_pte);
-	}
-
-	dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
-	if (dst_vma->vm_file) {
-		/* the shmem MAP_PRIVATE case requires checking the i_size */
-		inode = dst_vma->vm_file->f_inode;
-		offset = linear_page_index(dst_vma, dst_addr);
-		max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
-		ret = -EFAULT;
-		if (unlikely(offset >= max_off))
-			goto out_release_uncharge_unlock;
-	}
-	ret = -EEXIST;
-	if (!pte_none(*dst_pte))
-		goto out_release_uncharge_unlock;
-
-	inc_mm_counter(dst_mm, MM_ANONPAGES);
-	page_add_new_anon_rmap(page, dst_vma, dst_addr, false);
-	lru_cache_add_inactive_or_unevictable(page, dst_vma);
-
-	set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
-
-	/* No need to invalidate - it was non-present before */
-	update_mmu_cache(dst_vma, dst_addr, dst_pte);
-
-	pte_unmap_unlock(dst_pte, ptl);
-	ret = 0;
+	ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+				       page, true, wp_copy);
+	if (ret)
+		goto out_release;
 out:
 	return ret;
-out_release_uncharge_unlock:
-	pte_unmap_unlock(dst_pte, ptl);
 out_release:
 	put_page(page);
 	goto out;
@@ -178,6 +215,41 @@
 	return ret;
 }
 
+/* Handles UFFDIO_CONTINUE for all shmem VMAs (shared or private). */
+static int mcontinue_atomic_pte(struct mm_struct *dst_mm,
+				pmd_t *dst_pmd,
+				struct vm_area_struct *dst_vma,
+				unsigned long dst_addr,
+				bool wp_copy)
+{
+	struct inode *inode = file_inode(dst_vma->vm_file);
+	pgoff_t pgoff = linear_page_index(dst_vma, dst_addr);
+	struct page *page;
+	int ret;
+
+	ret = shmem_getpage(inode, pgoff, &page, SGP_READ);
+	if (ret)
+		goto out;
+	if (!page) {
+		ret = -EFAULT;
+		goto out;
+	}
+
+	ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+				       page, false, wp_copy);
+	if (ret)
+		goto out_release;
+
+	unlock_page(page);
+	ret = 0;
+out:
+	return ret;
+out_release:
+	unlock_page(page);
+	put_page(page);
+	goto out;
+}
+
 static pmd_t *mm_alloc_pmd(struct mm_struct *mm, unsigned long address)
 {
 	pgd_t *pgd;
@@ -209,7 +281,7 @@
 					      unsigned long dst_start,
 					      unsigned long src_start,
 					      unsigned long len,
-					      bool zeropage)
+					      enum mcopy_atomic_mode mode)
 {
 	int vm_alloc_shared = dst_vma->vm_flags & VM_SHARED;
 	int vm_shared = dst_vma->vm_flags & VM_SHARED;
@@ -229,7 +301,7 @@
 	 * by THP.  Since we can not reliably insert a zero page, this
 	 * feature is not supported.
 	 */
-	if (zeropage) {
+	if (mode == MCOPY_ATOMIC_ZEROPAGE) {
 		mmap_read_unlock(dst_mm);
 		return -EINVAL;
 	}
@@ -275,8 +347,6 @@
 	}
 
 	while (src_addr < src_start + len) {
-		pte_t dst_pteval;
-
 		BUG_ON(dst_addr >= dst_start + len);
 
 		/*
@@ -292,23 +362,23 @@
 		mutex_lock(&hugetlb_fault_mutex_table[hash]);
 
 		err = -ENOMEM;
-		dst_pte = huge_pte_alloc(dst_mm, dst_addr, vma_hpagesize);
+		dst_pte = huge_pte_alloc(dst_mm, dst_vma, dst_addr, vma_hpagesize);
 		if (!dst_pte) {
 			mutex_unlock(&hugetlb_fault_mutex_table[hash]);
 			i_mmap_unlock_read(mapping);
 			goto out_unlock;
 		}
 
-		err = -EEXIST;
-		dst_pteval = huge_ptep_get(dst_pte);
-		if (!huge_pte_none(dst_pteval)) {
+		if (mode != MCOPY_ATOMIC_CONTINUE &&
+		    !huge_pte_none(huge_ptep_get(dst_pte))) {
+			err = -EEXIST;
 			mutex_unlock(&hugetlb_fault_mutex_table[hash]);
 			i_mmap_unlock_read(mapping);
 			goto out_unlock;
 		}
 
 		err = hugetlb_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma,
-						dst_addr, src_addr, &page);
+					       dst_addr, src_addr, mode, &page);
 
 		mutex_unlock(&hugetlb_fault_mutex_table[hash]);
 		i_mmap_unlock_read(mapping);
@@ -410,7 +480,7 @@
 				      unsigned long dst_start,
 				      unsigned long src_start,
 				      unsigned long len,
-				      bool zeropage);
+				      enum mcopy_atomic_mode mode);
 #endif /* CONFIG_HUGETLB_PAGE */
 
 static __always_inline ssize_t mfill_atomic_pte(struct mm_struct *dst_mm,
@@ -419,11 +489,16 @@
 						unsigned long dst_addr,
 						unsigned long src_addr,
 						struct page **page,
-						bool zeropage,
+						enum mcopy_atomic_mode mode,
 						bool wp_copy)
 {
 	ssize_t err;
 
+	if (mode == MCOPY_ATOMIC_CONTINUE) {
+		return mcontinue_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+					    wp_copy);
+	}
+
 	/*
 	 * The normal page fault path for a shmem will invoke the
 	 * fault, fill the hole in the file and COW it right away. The
@@ -435,7 +510,7 @@
 	 * and not in the radix tree.
 	 */
 	if (!(dst_vma->vm_flags & VM_SHARED)) {
-		if (!zeropage)
+		if (mode == MCOPY_ATOMIC_NORMAL)
 			err = mcopy_atomic_pte(dst_mm, dst_pmd, dst_vma,
 					       dst_addr, src_addr, page,
 					       wp_copy);
@@ -444,13 +519,10 @@
 						 dst_vma, dst_addr);
 	} else {
 		VM_WARN_ON_ONCE(wp_copy);
-		if (!zeropage)
-			err = shmem_mcopy_atomic_pte(dst_mm, dst_pmd,
-						     dst_vma, dst_addr,
-						     src_addr, page);
-		else
-			err = shmem_mfill_zeropage_pte(dst_mm, dst_pmd,
-						       dst_vma, dst_addr);
+		err = shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma,
+					     dst_addr, src_addr,
+					     mode != MCOPY_ATOMIC_NORMAL,
+					     page);
 	}
 
 	return err;
@@ -460,7 +532,7 @@
 					      unsigned long dst_start,
 					      unsigned long src_start,
 					      unsigned long len,
-					      bool zeropage,
+					      enum mcopy_atomic_mode mcopy_mode,
 					      bool *mmap_changing,
 					      __u64 mode)
 {
@@ -529,10 +601,12 @@
 	 */
 	if (is_vm_hugetlb_page(dst_vma))
 		return  __mcopy_atomic_hugetlb(dst_mm, dst_vma, dst_start,
-						src_start, len, zeropage);
+						src_start, len, mcopy_mode);
 
 	if (!vma_is_anonymous(dst_vma) && !vma_is_shmem(dst_vma))
 		goto out_unlock;
+	if (!vma_is_shmem(dst_vma) && mcopy_mode == MCOPY_ATOMIC_CONTINUE)
+		goto out_unlock;
 
 	/*
 	 * Ensure the dst_vma has a anon_vma or this page
@@ -579,7 +653,7 @@
 		BUG_ON(pmd_trans_huge(*dst_pmd));
 
 		err = mfill_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
-				       src_addr, &page, zeropage, wp_copy);
+				       src_addr, &page, mcopy_mode, wp_copy);
 		cond_resched();
 
 		if (unlikely(err == -ENOENT)) {
@@ -629,14 +703,22 @@
 		     unsigned long src_start, unsigned long len,
 		     bool *mmap_changing, __u64 mode)
 {
-	return __mcopy_atomic(dst_mm, dst_start, src_start, len, false,
-			      mmap_changing, mode);
+	return __mcopy_atomic(dst_mm, dst_start, src_start, len,
+			      MCOPY_ATOMIC_NORMAL, mmap_changing, mode);
 }
 
 ssize_t mfill_zeropage(struct mm_struct *dst_mm, unsigned long start,
 		       unsigned long len, bool *mmap_changing)
 {
-	return __mcopy_atomic(dst_mm, start, 0, len, true, mmap_changing, 0);
+	return __mcopy_atomic(dst_mm, start, 0, len, MCOPY_ATOMIC_ZEROPAGE,
+			      mmap_changing, 0);
+}
+
+ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long start,
+		       unsigned long len, bool *mmap_changing)
+{
+	return __mcopy_atomic(dst_mm, start, 0, len, MCOPY_ATOMIC_CONTINUE,
+			      mmap_changing, 0);
 }
 
 int mwriteprotect_range(struct mm_struct *dst_mm, unsigned long start,
diff --git a/mm/util.c b/mm/util.c
index 25bfda7..9e2b223 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -27,6 +27,9 @@
 #include <linux/uaccess.h>
 
 #include "internal.h"
+#ifndef __GENKSYMS__
+#include <trace/hooks/syscall_check.h>
+#endif
 
 /**
  * kfree_const - conditionally free memory
@@ -386,6 +389,7 @@
 
 	return rnd << PAGE_SHIFT;
 }
+EXPORT_SYMBOL_GPL(arch_mmap_rnd);
 
 static int mmap_is_legacy(struct rlimit *rlim_stack)
 {
@@ -543,6 +547,7 @@
 		if (populate)
 			mm_populate(ret, populate);
 	}
+	trace_android_vh_check_mmap_file(file, prot, flag, ret);
 	return ret;
 }
 
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index d6a4794..4f3c5ec 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -34,8 +34,10 @@
 #include <linux/bitops.h>
 #include <linux/rbtree_augmented.h>
 #include <linux/overflow.h>
+#include <trace/hooks/mm.h>
 
 #include <linux/uaccess.h>
+#include <linux/io.h>
 #include <asm/tlbflush.h>
 #include <asm/shmparam.h>
 
@@ -44,7 +46,7 @@
 
 bool is_vmalloc_addr(const void *x)
 {
-	unsigned long addr = (unsigned long)x;
+	unsigned long addr = (unsigned long)kasan_reset_tag(x);
 
 	return addr >= VMALLOC_START && addr < VMALLOC_END;
 }
@@ -68,7 +70,6 @@
 }
 
 /*** Page table manipulation functions ***/
-
 static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 			     pgtbl_mod_mask *mask)
 {
@@ -326,6 +327,7 @@
 	flush_cache_vmap(start, start + size);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(map_kernel_range);
 
 int is_vmalloc_or_module_addr(const void *x)
 {
@@ -335,7 +337,7 @@
 	 * just put it in the vmalloc space.
 	 */
 #if defined(CONFIG_MODULES) && defined(MODULES_VADDR)
-	unsigned long addr = (unsigned long)x;
+	unsigned long addr = (unsigned long)kasan_reset_tag(x);
 	if (addr >= MODULES_VADDR && addr < MODULES_END)
 		return 1;
 #endif
@@ -489,11 +491,14 @@
 {
 	return atomic_long_read(&nr_vmalloc_pages);
 }
+EXPORT_SYMBOL_GPL(vmalloc_nr_pages);
 
 static struct vmap_area *__find_vmap_area(unsigned long addr)
 {
 	struct rb_node *n = vmap_area_root.rb_node;
 
+	addr = (unsigned long)kasan_reset_tag((void *)addr);
+
 	while (n) {
 		struct vmap_area *va;
 
@@ -1746,7 +1751,7 @@
 		rcu_read_lock();
 		list_for_each_entry_rcu(vb, &vbq->free, free_list) {
 			spin_lock(&vb->lock);
-			if (vb->dirty) {
+			if (vb->dirty && vb->dirty != VMAP_BBMAP_BITS) {
 				unsigned long va_start = vb->va->va_start;
 				unsigned long s, e;
 
@@ -1800,7 +1805,7 @@
 void vm_unmap_ram(const void *mem, unsigned int count)
 {
 	unsigned long size = (unsigned long)count << PAGE_SHIFT;
-	unsigned long addr = (unsigned long)mem;
+	unsigned long addr = (unsigned long)kasan_reset_tag(mem);
 	struct vmap_area *va;
 
 	might_sleep();
@@ -1861,12 +1866,18 @@
 		mem = (void *)addr;
 	}
 
-	kasan_unpoison_vmalloc(mem, size);
-
 	if (map_kernel_range(addr, size, PAGE_KERNEL, pages) < 0) {
 		vm_unmap_ram(mem, count);
 		return NULL;
 	}
+
+	/*
+	 * Mark the pages as accessible, now that they are mapped.
+	 * With hardware tag-based KASAN, marking is skipped for
+	 * non-VM_ALLOC mappings, see __kasan_unpoison_vmalloc().
+	 */
+	mem = kasan_unpoison_vmalloc(mem, size, KASAN_VMALLOC_PROT_NORMAL);
+
 	return mem;
 }
 EXPORT_SYMBOL(vm_map_ram);
@@ -2032,6 +2043,7 @@
 	vm->size = va->va_end - va->va_start;
 	vm->caller = caller;
 	va->vm = vm;
+	trace_android_vh_save_vmalloc_stack(flags, vm);
 }
 
 static void setup_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
@@ -2054,15 +2066,16 @@
 }
 
 static struct vm_struct *__get_vm_area_node(unsigned long size,
-		unsigned long align, unsigned long flags, unsigned long start,
-		unsigned long end, int node, gfp_t gfp_mask, const void *caller)
+		unsigned long align, unsigned long shift, unsigned long flags,
+		unsigned long start, unsigned long end, int node,
+		gfp_t gfp_mask, const void *caller)
 {
 	struct vmap_area *va;
 	struct vm_struct *area;
 	unsigned long requested_size = size;
 
 	BUG_ON(in_interrupt());
-	size = PAGE_ALIGN(size);
+	size = ALIGN(size, 1ul << shift);
 	if (unlikely(!size))
 		return NULL;
 
@@ -2083,10 +2096,20 @@
 		return NULL;
 	}
 
-	kasan_unpoison_vmalloc((void *)va->va_start, requested_size);
-
 	setup_vmalloc_vm(area, va, flags, caller);
 
+	/*
+	 * Mark pages for non-VM_ALLOC mappings as accessible. Do it now as a
+	 * best-effort approach, as they can be mapped outside of vmalloc code.
+	 * For VM_ALLOC mappings, the pages are marked as accessible after
+	 * getting mapped in __vmalloc_node_range().
+	 * With hardware tag-based KASAN, marking is skipped for
+	 * non-VM_ALLOC mappings, see __kasan_unpoison_vmalloc().
+	 */
+	if (!(flags & VM_ALLOC))
+		area->addr = kasan_unpoison_vmalloc(area->addr, requested_size,
+						    KASAN_VMALLOC_PROT_NORMAL);
+
 	return area;
 }
 
@@ -2094,9 +2117,10 @@
 				       unsigned long start, unsigned long end,
 				       const void *caller)
 {
-	return __get_vm_area_node(size, 1, flags, start, end, NUMA_NO_NODE,
-				  GFP_KERNEL, caller);
+	return __get_vm_area_node(size, 1, PAGE_SHIFT, flags, start, end,
+				  NUMA_NO_NODE, GFP_KERNEL, caller);
 }
+EXPORT_SYMBOL_GPL(__get_vm_area_caller);
 
 /**
  * get_vm_area - reserve a contiguous kernel virtual area
@@ -2111,7 +2135,8 @@
  */
 struct vm_struct *get_vm_area(unsigned long size, unsigned long flags)
 {
-	return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
+	return __get_vm_area_node(size, 1, PAGE_SHIFT, flags,
+				  VMALLOC_START, VMALLOC_END,
 				  NUMA_NO_NODE, GFP_KERNEL,
 				  __builtin_return_address(0));
 }
@@ -2119,7 +2144,8 @@
 struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
 				const void *caller)
 {
-	return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
+	return __get_vm_area_node(size, 1, PAGE_SHIFT, flags,
+				  VMALLOC_START, VMALLOC_END,
 				  NUMA_NO_NODE, GFP_KERNEL, caller);
 }
 
@@ -2143,6 +2169,7 @@
 
 	return va->vm;
 }
+EXPORT_SYMBOL_GPL(find_vm_area);
 
 /**
  * remove_vm_area - find and remove a continuous kernel virtual area
@@ -2168,7 +2195,7 @@
 		va->vm = NULL;
 		spin_unlock(&vmap_area_lock);
 
-		kasan_free_shadow(vm);
+		kasan_free_module_shadow(vm);
 		free_unmap_vmap_area(va);
 
 		return vm;
@@ -2258,6 +2285,10 @@
 
 	kasan_poison_vmalloc(area->addr, get_vm_area_size(area));
 
+	if (IS_ENABLED(CONFIG_ARCH_HAS_IOREMAP_PHYS_HOOKS) &&
+	    area->flags & VM_IOREMAP)
+		iounmap_phys_range_hook(area->phys_addr, get_vm_area_size(area));
+
 	vm_remove_mappings(area, deallocate_pages);
 
 	if (deallocate_pages) {
@@ -2549,32 +2580,76 @@
 			const void *caller)
 {
 	struct vm_struct *area;
-	void *addr;
+	void *ret;
+	kasan_vmalloc_flags_t kasan_flags = KASAN_VMALLOC_NONE;
 	unsigned long real_size = size;
+	unsigned int shift = PAGE_SHIFT;
 
-	size = PAGE_ALIGN(size);
 	if (!size || (size >> PAGE_SHIFT) > totalram_pages())
 		goto fail;
 
-	area = __get_vm_area_node(real_size, align, VM_ALLOC | VM_UNINITIALIZED |
-				vm_flags, start, end, node, gfp_mask, caller);
+	area = __get_vm_area_node(real_size, align, shift, VM_ALLOC |
+				  VM_UNINITIALIZED | vm_flags, start, end, node,
+				  gfp_mask, caller);
 	if (!area)
 		goto fail;
 
-	addr = __vmalloc_area_node(area, gfp_mask, prot, node);
-	if (!addr)
+	/*
+	 * Prepare arguments for __vmalloc_area_node() and
+	 * kasan_unpoison_vmalloc().
+	 */
+	if (pgprot_val(prot) == pgprot_val(PAGE_KERNEL)) {
+		if (kasan_hw_tags_enabled()) {
+			/*
+			 * Modify protection bits to allow tagging.
+			 * This must be done before mapping.
+			 */
+			prot = arch_vmap_pgprot_tagged(prot);
+
+			/*
+			 * Skip page_alloc poisoning and zeroing for physical
+			 * pages backing VM_ALLOC mapping. Memory is instead
+			 * poisoned and zeroed by kasan_unpoison_vmalloc().
+			 */
+			gfp_mask |= __GFP_SKIP_KASAN_UNPOISON | __GFP_SKIP_ZERO;
+		}
+
+		/* Take note that the mapping is PAGE_KERNEL. */
+		kasan_flags |= KASAN_VMALLOC_PROT_NORMAL;
+	}
+
+	/* Allocate physical pages and map them into vmalloc space. */
+	ret = __vmalloc_area_node(area, gfp_mask, prot, node);
+	if (!ret)
 		return NULL;
 
 	/*
+	 * Mark the pages as accessible, now that they are mapped.
+	 * The init condition should match the one in post_alloc_hook()
+	 * (except for the should_skip_init() check) to make sure that memory
+	 * is initialized under the same conditions regardless of the enabled
+	 * KASAN mode.
+	 * Tag-based KASAN modes only assign tags to normal non-executable
+	 * allocations, see __kasan_unpoison_vmalloc().
+	 */
+	kasan_flags |= KASAN_VMALLOC_VM_ALLOC;
+	if (!want_init_on_free() && want_init_on_alloc(gfp_mask))
+		kasan_flags |= KASAN_VMALLOC_INIT;
+	/* KASAN_VMALLOC_PROT_NORMAL already set if required. */
+	area->addr = kasan_unpoison_vmalloc(area->addr, real_size, kasan_flags);
+
+	/*
 	 * In this function, newly allocated vm_struct has VM_UNINITIALIZED
 	 * flag. It means that vm_struct is not fully initialized.
 	 * Now, it is fully initialized, so remove this flag here.
 	 */
 	clear_vm_uninitialized_flag(area);
 
-	kmemleak_vmalloc(area, size, gfp_mask);
+	size = PAGE_ALIGN(size);
+	if (!(vm_flags & VM_DEFER_KMEMLEAK))
+		kmemleak_vmalloc(area, size, gfp_mask);
 
-	return addr;
+	return area->addr;
 
 fail:
 	warn_alloc(gfp_mask, NULL,
@@ -2877,6 +2952,8 @@
 	unsigned long buflen = count;
 	unsigned long n;
 
+	addr = kasan_reset_tag(addr);
+
 	/* Don't allow overflow */
 	if ((unsigned long) addr + count < count)
 		count = -(unsigned long) addr;
@@ -3328,9 +3405,6 @@
 	for (area = 0; area < nr_vms; area++) {
 		if (kasan_populate_vmalloc(vas[area]->va_start, sizes[area]))
 			goto err_free_shadow;
-
-		kasan_unpoison_vmalloc((void *)vas[area]->va_start,
-				       sizes[area]);
 	}
 
 	/* insert all vm's */
@@ -3343,6 +3417,16 @@
 	}
 	spin_unlock(&vmap_area_lock);
 
+	/*
+	 * Mark allocated areas as accessible. Do it now as a best-effort
+	 * approach, as they can be mapped outside of vmalloc code.
+	 * With hardware tag-based KASAN, marking is skipped for
+	 * non-VM_ALLOC mappings, see __kasan_unpoison_vmalloc().
+	 */
+	for (area = 0; area < nr_vms; area++)
+		vms[area]->addr = kasan_unpoison_vmalloc(vms[area]->addr,
+				vms[area]->size, KASAN_VMALLOC_PROT_NORMAL);
+
 	kfree(vas);
 	return vms;
 
@@ -3553,6 +3637,7 @@
 		seq_puts(m, " vpages");
 
 	show_numa_info(m, v);
+	trace_android_vh_show_stack_hash(m, v);
 	seq_putc(m, '\n');
 
 	/*
diff --git a/mm/vmpressure.c b/mm/vmpressure.c
index d69019f..9b17256 100644
--- a/mm/vmpressure.c
+++ b/mm/vmpressure.c
@@ -240,7 +240,12 @@
 void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree,
 		unsigned long scanned, unsigned long reclaimed)
 {
-	struct vmpressure *vmpr = memcg_to_vmpressure(memcg);
+	struct vmpressure *vmpr;
+
+	if (mem_cgroup_disabled())
+		return;
+
+	vmpr = memcg_to_vmpressure(memcg);
 
 	/*
 	 * Here we only want to account pressure that userland is able to
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 51ccd80..2d213bb 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -51,6 +51,10 @@
 #include <linux/printk.h>
 #include <linux/dax.h>
 #include <linux/psi.h>
+#include <linux/pagewalk.h>
+#include <linux/shmem_fs.h>
+#include <linux/ctype.h>
+#include <linux/debugfs.h>
 
 #include <asm/tlbflush.h>
 #include <asm/div64.h>
@@ -63,6 +67,15 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/vmscan.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/vmscan.h>
+
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_end);
+
 struct scan_control {
 	/* How many pages shrink_list() should reclaim */
 	unsigned long nr_to_reclaim;
@@ -123,6 +136,12 @@
 	/* The file pages on the current node are dangerously low */
 	unsigned int file_is_tiny:1;
 
+#ifdef CONFIG_LRU_GEN
+	/* help kswapd make better choices among multiple memcgs */
+	unsigned int memcgs_need_aging:1;
+	unsigned long last_reclaimed;
+#endif
+
 	/* Allocation order */
 	s8 order;
 
@@ -174,6 +193,23 @@
  */
 int vm_swappiness = 60;
 
+#define DEF_KSWAPD_THREADS_PER_NODE 1
+static int kswapd_threads = DEF_KSWAPD_THREADS_PER_NODE;
+static int __init kswapd_per_node_setup(char *str)
+{
+	int tmp;
+
+	if (kstrtoint(str, 0, &tmp) < 0)
+		return 0;
+
+	if (tmp > MAX_KSWAPD_THREADS || tmp <= 0)
+		return 0;
+
+	kswapd_threads = tmp;
+	return 1;
+}
+__setup("kswapd_per_node=", kswapd_per_node_setup);
+
 static void set_task_reclaim_state(struct task_struct *task,
 				   struct reclaim_state *rs)
 {
@@ -428,6 +464,8 @@
 					  : SHRINK_BATCH;
 	long scanned = 0, next_deferred;
 
+	trace_android_vh_do_shrink_slab(shrinker, shrinkctl, priority);
+
 	if (!(shrinker->flags & SHRINKER_NUMA_AWARE))
 		nid = 0;
 
@@ -653,6 +691,11 @@
 {
 	unsigned long ret, freed = 0;
 	struct shrinker *shrinker;
+	bool bypass = false;
+
+	trace_android_vh_shrink_slab_bypass(gfp_mask, nid, memcg, priority, &bypass);
+	if (bypass)
+		return 0;
 
 	/*
 	 * The root memcg might be allocated even though memcg is disabled
@@ -901,9 +944,11 @@
 
 	if (PageSwapCache(page)) {
 		swp_entry_t swap = { .val = page_private(page) };
-		mem_cgroup_swapout(page, swap);
+
+		/* get a shadow entry before mem_cgroup_swapout() clears page_memcg() */
 		if (reclaimed && !mapping_exiting(mapping))
 			shadow = workingset_eviction(page, target_memcg);
+		mem_cgroup_swapout(page, swap);
 		__delete_from_swap_cache(page, swap, shadow);
 		xa_unlock_irqrestore(&mapping->i_pages, flags);
 		put_swap_page(page, swap);
@@ -1003,6 +1048,10 @@
 	if (vm_flags & VM_LOCKED)
 		return PAGEREF_RECLAIM;
 
+	/* rmap lock contention: rotate */
+	if (referenced_ptes == -1)
+		return PAGEREF_KEEP;
+
 	if (referenced_ptes) {
 		/*
 		 * All mapped pages start out with page table
@@ -1114,6 +1163,11 @@
 		if (!sc->may_unmap && page_mapped(page))
 			goto keep_locked;
 
+		/* page_update_gen() tried to promote this page? */
+		if (lru_gen_enabled() && !ignore_references &&
+		    page_mapped(page) && PageReferenced(page))
+			goto keep_locked;
+
 		may_enter_fs = (sc->gfp_mask & __GFP_FS) ||
 			(PageSwapCache(page) && (sc->gfp_mask & __GFP_IO));
 
@@ -1535,6 +1589,36 @@
 	return nr_reclaimed;
 }
 
+int reclaim_pages_from_list(struct list_head *page_list)
+{
+	struct scan_control sc = {
+		.gfp_mask = GFP_KERNEL,
+		.priority = DEF_PRIORITY,
+		.may_writepage = 1,
+		.may_unmap = 1,
+		.may_swap = 1,
+	};
+	unsigned long nr_reclaimed;
+	struct reclaim_stat dummy_stat;
+	struct page *page;
+
+	list_for_each_entry(page, page_list, lru)
+		ClearPageActive(page);
+
+	nr_reclaimed = shrink_page_list(page_list, NULL, &sc,
+				&dummy_stat, false);
+	while (!list_empty(page_list)) {
+
+		page = lru_to_page(page_list);
+		list_del(&page->lru);
+		dec_node_page_state(page, NR_ISOLATED_ANON +
+				page_is_file_lru(page));
+		putback_lru_page(page);
+	}
+
+	return nr_reclaimed;
+}
+
 /*
  * Attempt to remove the specified page from its LRU.  Only take this page
  * if it is of the appropriate PageActive status.  Pages which are being
@@ -1631,6 +1715,25 @@
 
 }
 
+#ifdef CONFIG_CMA
+/*
+ * It is waste of effort to scan and reclaim CMA pages if it is not available
+ * for current allocation context. Kswapd can not be enrolled as it can not
+ * distinguish this scenario by using sc->gfp_mask = GFP_KERNEL
+ */
+static bool skip_cma(struct page *page, struct scan_control *sc)
+{
+	return !current_is_kswapd() &&
+			gfp_migratetype(sc->gfp_mask) != MIGRATE_MOVABLE &&
+			get_pageblock_migratetype(page) == MIGRATE_CMA;
+}
+#else
+static bool skip_cma(struct page *page, struct scan_control *sc)
+{
+	return false;
+}
+#endif
+
 /**
  * pgdat->lru_lock is heavily contended.  Some of the functions that
  * shrink the lists perform better by taking out a batch of pages
@@ -1677,7 +1780,8 @@
 		nr_pages = compound_nr(page);
 		total_scan += nr_pages;
 
-		if (page_zonenum(page) > sc->reclaim_idx) {
+		if (page_zonenum(page) > sc->reclaim_idx ||
+				skip_cma(page, sc)) {
 			list_move(&page->lru, &pages_skipped);
 			nr_skipped[page_zonenum(page)] += nr_pages;
 			continue;
@@ -1777,10 +1881,9 @@
 		spin_lock_irq(&pgdat->lru_lock);
 		lruvec = mem_cgroup_page_lruvec(page, pgdat);
 		if (PageLRU(page)) {
-			int lru = page_lru(page);
 			get_page(page);
 			ClearPageLRU(page);
-			del_page_from_lru_list(page, lruvec, lru);
+			del_page_from_lru_list(page, lruvec);
 			ret = 0;
 		}
 		spin_unlock_irq(&pgdat->lru_lock);
@@ -1852,13 +1955,12 @@
 	int nr_pages, nr_moved = 0;
 	LIST_HEAD(pages_to_free);
 	struct page *page;
-	enum lru_list lru;
 
 	while (!list_empty(list)) {
 		page = lru_to_page(list);
 		VM_BUG_ON_PAGE(PageLRU(page), page);
+		list_del(&page->lru);
 		if (unlikely(!page_evictable(page))) {
-			list_del(&page->lru);
 			spin_unlock_irq(&pgdat->lru_lock);
 			putback_lru_page(page);
 			spin_lock_irq(&pgdat->lru_lock);
@@ -1867,16 +1969,11 @@
 		lruvec = mem_cgroup_page_lruvec(page, pgdat);
 
 		SetPageLRU(page);
-		lru = page_lru(page);
-
-		nr_pages = thp_nr_pages(page);
-		update_lru_size(lruvec, lru, page_zonenum(page), nr_pages);
-		list_move(&page->lru, &lruvec->lists[lru]);
+		add_page_to_lru_list(page, lruvec);
 
 		if (put_page_testzero(page)) {
-			__ClearPageLRU(page);
-			__ClearPageActive(page);
-			del_page_from_lru_list(page, lruvec, lru);
+			del_page_from_lru_list(page, lruvec);
+			__clear_page_lru_flags(page);
 
 			if (unlikely(PageCompound(page))) {
 				spin_unlock_irq(&pgdat->lru_lock);
@@ -1885,6 +1982,7 @@
 			} else
 				list_add(&page->lru, &pages_to_free);
 		} else {
+			nr_pages = thp_nr_pages(page);
 			nr_moved += nr_pages;
 			if (PageActive(page))
 				workingset_age_nonresident(lruvec, nr_pages);
@@ -1929,6 +2027,8 @@
 	enum vm_event_item item;
 	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
 	bool stalled = false;
+	struct blk_plug plug;
+	bool do_plug = false;
 
 	while (unlikely(too_many_isolated(pgdat, file, sc))) {
 		if (stalled)
@@ -1962,6 +2062,9 @@
 	if (nr_taken == 0)
 		return 0;
 
+	trace_android_vh_shrink_inactive_list_blk_plug(&do_plug);
+	if (do_plug)
+		blk_start_plug(&plug);
 	nr_reclaimed = shrink_page_list(&page_list, pgdat, sc, &stat, false);
 
 	spin_lock_irq(&pgdat->lru_lock);
@@ -1978,6 +2081,9 @@
 
 	spin_unlock_irq(&pgdat->lru_lock);
 
+	if (do_plug)
+		blk_finish_plug(&plug);
+
 	mem_cgroup_uncharge_list(&page_list);
 	free_unref_page_list(&page_list);
 
@@ -2059,8 +2165,9 @@
 			}
 		}
 
+		/* Referenced or rmap lock contention: rotate */
 		if (page_referenced(page, 0, sc->target_mem_cgroup,
-				    &vm_flags)) {
+				     &vm_flags) != 0) {
 			/*
 			 * Identify referenced, file-backed active pages and
 			 * give them one more trip around the active list. So
@@ -2111,6 +2218,8 @@
 	LIST_HEAD(node_page_list);
 	struct reclaim_stat dummy_stat;
 	struct page *page;
+	struct blk_plug plug;
+	bool do_plug = false;
 	struct scan_control sc = {
 		.gfp_mask = GFP_KERNEL,
 		.priority = DEF_PRIORITY,
@@ -2119,6 +2228,10 @@
 		.may_swap = 1,
 	};
 
+	trace_android_vh_reclaim_pages_plug(&do_plug);
+	if (do_plug)
+		blk_start_plug(&plug);
+
 	while (!list_empty(page_list)) {
 		page = lru_to_page(page_list);
 		if (nid == NUMA_NO_NODE) {
@@ -2154,6 +2267,8 @@
 			putback_lru_page(page);
 		}
 	}
+	if (do_plug)
+		blk_finish_plug(&plug);
 
 	return nr_reclaimed;
 }
@@ -2216,6 +2331,8 @@
 	else
 		inactive_ratio = 1;
 
+	trace_android_vh_tune_inactive_ratio(&inactive_ratio, is_file_lru(inactive_lru));
+
 	return inactive * inactive_ratio < active;
 }
 
@@ -2226,6 +2343,106 @@
 	SCAN_FILE,
 };
 
+static void prepare_scan_count(pg_data_t *pgdat, struct scan_control *sc)
+{
+	unsigned long file;
+	struct lruvec *target_lruvec;
+
+	if (lru_gen_enabled())
+		return;
+
+	target_lruvec = mem_cgroup_lruvec(sc->target_mem_cgroup, pgdat);
+
+	/*
+	 * Determine the scan balance between anon and file LRUs.
+	 */
+	spin_lock_irq(&pgdat->lru_lock);
+	sc->anon_cost = target_lruvec->anon_cost;
+	sc->file_cost = target_lruvec->file_cost;
+	spin_unlock_irq(&pgdat->lru_lock);
+
+	/*
+	 * Target desirable inactive:active list ratios for the anon
+	 * and file LRU lists.
+	 */
+	if (!sc->force_deactivate) {
+		unsigned long refaults;
+
+		refaults = lruvec_page_state(target_lruvec,
+				WORKINGSET_ACTIVATE_ANON);
+		if (refaults != target_lruvec->refaults[0] ||
+			inactive_is_low(target_lruvec, LRU_INACTIVE_ANON))
+			sc->may_deactivate |= DEACTIVATE_ANON;
+		else
+			sc->may_deactivate &= ~DEACTIVATE_ANON;
+
+		/*
+		 * When refaults are being observed, it means a new
+		 * workingset is being established. Deactivate to get
+		 * rid of any stale active pages quickly.
+		 */
+		refaults = lruvec_page_state(target_lruvec,
+				WORKINGSET_ACTIVATE_FILE);
+		if (refaults != target_lruvec->refaults[1] ||
+		    inactive_is_low(target_lruvec, LRU_INACTIVE_FILE))
+			sc->may_deactivate |= DEACTIVATE_FILE;
+		else
+			sc->may_deactivate &= ~DEACTIVATE_FILE;
+	} else
+		sc->may_deactivate = DEACTIVATE_ANON | DEACTIVATE_FILE;
+
+	/*
+	 * If we have plenty of inactive file pages that aren't
+	 * thrashing, try to reclaim those first before touching
+	 * anonymous pages.
+	 */
+	file = lruvec_page_state(target_lruvec, NR_INACTIVE_FILE);
+	if (file >> sc->priority && !(sc->may_deactivate & DEACTIVATE_FILE))
+		sc->cache_trim_mode = 1;
+	else
+		sc->cache_trim_mode = 0;
+
+	/*
+	 * Prevent the reclaimer from falling into the cache trap: as
+	 * cache pages start out inactive, every cache fault will tip
+	 * the scan balance towards the file LRU.  And as the file LRU
+	 * shrinks, so does the window for rotation from references.
+	 * This means we have a runaway feedback loop where a tiny
+	 * thrashing file LRU becomes infinitely more attractive than
+	 * anon pages.  Try to detect this based on file LRU size.
+	 */
+	if (!cgroup_reclaim(sc)) {
+		unsigned long total_high_wmark = 0;
+		unsigned long free, anon;
+		int z;
+
+		free = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES);
+		file = node_page_state(pgdat, NR_ACTIVE_FILE) +
+			   node_page_state(pgdat, NR_INACTIVE_FILE);
+
+		for (z = 0; z < MAX_NR_ZONES; z++) {
+			struct zone *zone = &pgdat->node_zones[z];
+
+			if (!managed_zone(zone))
+				continue;
+
+			total_high_wmark += high_wmark_pages(zone);
+		}
+
+		/*
+		 * Consider anon: if that's low too, this isn't a
+		 * runaway file reclaim problem, but rather just
+		 * extreme pressure. Reclaim as per usual then.
+		 */
+		anon = node_page_state(pgdat, NR_INACTIVE_ANON);
+
+		sc->file_is_tiny =
+			file + free <= total_high_wmark &&
+			!(sc->may_deactivate & DEACTIVATE_ANON) &&
+			anon >> sc->priority;
+	}
+}
+
 /*
  * Determine how aggressively the anon and file LRU lists should be
  * scanned.  The relative value of each set of LRU lists is determined
@@ -2246,6 +2463,7 @@
 	enum scan_balance scan_balance;
 	unsigned long ap, fp;
 	enum lru_list lru;
+	bool balance_anon_file_reclaim = false;
 
 	/* If we have no swap space, do not bother scanning anon pages. */
 	if (!sc->may_swap || mem_cgroup_get_nr_swap_pages(memcg) <= 0) {
@@ -2253,6 +2471,7 @@
 		goto out;
 	}
 
+	trace_android_vh_tune_swappiness(&swappiness);
 	/*
 	 * Global reclaim will swap to prevent OOM even with no
 	 * swappiness, but memcg users want to use this knob to
@@ -2283,11 +2502,15 @@
 		goto out;
 	}
 
+	trace_android_rvh_set_balance_anon_file_reclaim(&balance_anon_file_reclaim);
+
 	/*
 	 * If there is enough inactive page cache, we do not reclaim
-	 * anything from the anonymous working right now.
+	 * anything from the anonymous working right now. But when balancing
+	 * anon and page cache files for reclaim, allow swapping of anon pages
+	 * even if there are a number of inactive file cache pages.
 	 */
-	if (sc->cache_trim_mode) {
+	if (!balance_anon_file_reclaim && sc->cache_trim_mode) {
 		scan_balance = SCAN_FILE;
 		goto out;
 	}
@@ -2323,6 +2546,8 @@
 	fraction[1] = fp;
 	denominator = ap + fp;
 out:
+	trace_android_vh_tune_scan_type((char *)(&scan_balance));
+	trace_android_vh_tune_memcg_scan_type(memcg, (char *)(&scan_balance));
 	for_each_evictable_lru(lru) {
 		int file = is_file_lru(lru);
 		unsigned long lruvec_size;
@@ -2431,6 +2656,2764 @@
 	}
 }
 
+#ifdef CONFIG_LRU_GEN
+
+#ifdef CONFIG_LRU_GEN_ENABLED
+DEFINE_STATIC_KEY_ARRAY_TRUE(lru_gen_caps, NR_LRU_GEN_CAPS);
+#define get_cap(cap)	static_branch_likely(&lru_gen_caps[cap])
+#else
+DEFINE_STATIC_KEY_ARRAY_FALSE(lru_gen_caps, NR_LRU_GEN_CAPS);
+#define get_cap(cap)	static_branch_unlikely(&lru_gen_caps[cap])
+#endif
+
+/******************************************************************************
+ *                          shorthand helpers
+ ******************************************************************************/
+
+#define LRU_REFS_FLAGS	(BIT(PG_referenced) | BIT(PG_workingset))
+
+#define DEFINE_MAX_SEQ(lruvec)						\
+	unsigned long max_seq = READ_ONCE((lruvec)->lrugen.max_seq)
+
+#define DEFINE_MIN_SEQ(lruvec)						\
+	unsigned long min_seq[ANON_AND_FILE] = {			\
+		READ_ONCE((lruvec)->lrugen.min_seq[LRU_GEN_ANON]),	\
+		READ_ONCE((lruvec)->lrugen.min_seq[LRU_GEN_FILE]),	\
+	}
+
+#define for_each_gen_type_zone(gen, type, zone)				\
+	for ((gen) = 0; (gen) < MAX_NR_GENS; (gen)++)			\
+		for ((type) = 0; (type) < ANON_AND_FILE; (type)++)	\
+			for ((zone) = 0; (zone) < MAX_NR_ZONES; (zone)++)
+
+static struct lruvec *get_lruvec(struct mem_cgroup *memcg, int nid)
+{
+	struct pglist_data *pgdat = NODE_DATA(nid);
+
+#ifdef CONFIG_MEMCG
+	if (memcg) {
+		struct lruvec *lruvec = &memcg->nodeinfo[nid]->lruvec;
+
+		/* for hotadd_new_pgdat() */
+		if (!lruvec->pgdat)
+			lruvec->pgdat = pgdat;
+
+		return lruvec;
+	}
+#endif
+	VM_WARN_ON_ONCE(!mem_cgroup_disabled());
+
+	return pgdat ? &pgdat->__lruvec : NULL;
+}
+
+static int get_swappiness(struct lruvec *lruvec, struct scan_control *sc)
+{
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+
+	if (mem_cgroup_get_nr_swap_pages(memcg) <= 0)
+		return 0;
+
+	return mem_cgroup_swappiness(memcg);
+}
+
+static int get_nr_gens(struct lruvec *lruvec, int type)
+{
+	return lruvec->lrugen.max_seq - lruvec->lrugen.min_seq[type] + 1;
+}
+
+static bool __maybe_unused seq_is_valid(struct lruvec *lruvec)
+{
+	/* see the comment on lru_gen_struct */
+	return get_nr_gens(lruvec, LRU_GEN_FILE) >= MIN_NR_GENS &&
+	       get_nr_gens(lruvec, LRU_GEN_FILE) <= get_nr_gens(lruvec, LRU_GEN_ANON) &&
+	       get_nr_gens(lruvec, LRU_GEN_ANON) <= MAX_NR_GENS;
+}
+
+/******************************************************************************
+ *                          mm_struct list
+ ******************************************************************************/
+
+static struct lru_gen_mm_list *get_mm_list(struct mem_cgroup *memcg)
+{
+	static struct lru_gen_mm_list mm_list = {
+		.fifo = LIST_HEAD_INIT(mm_list.fifo),
+		.lock = __SPIN_LOCK_UNLOCKED(mm_list.lock),
+	};
+
+#ifdef CONFIG_MEMCG
+	if (memcg)
+		return &memcg->mm_list;
+#endif
+	VM_WARN_ON_ONCE(!mem_cgroup_disabled());
+
+	return &mm_list;
+}
+
+void lru_gen_add_mm(struct mm_struct *mm)
+{
+	int nid;
+	struct mem_cgroup *memcg = get_mem_cgroup_from_mm(mm);
+	struct lru_gen_mm_list *mm_list = get_mm_list(memcg);
+
+	VM_WARN_ON_ONCE(!list_empty(&mm->lru_gen.list));
+#ifdef CONFIG_MEMCG
+	VM_WARN_ON_ONCE(mm->lru_gen.memcg);
+	mm->lru_gen.memcg = memcg;
+#endif
+	spin_lock(&mm_list->lock);
+
+	for_each_node_state(nid, N_MEMORY) {
+		struct lruvec *lruvec = get_lruvec(memcg, nid);
+
+		if (!lruvec)
+			continue;
+
+		/* the first addition since the last iteration */
+		if (lruvec->mm_state.tail == &mm_list->fifo)
+			lruvec->mm_state.tail = &mm->lru_gen.list;
+	}
+
+	list_add_tail(&mm->lru_gen.list, &mm_list->fifo);
+
+	spin_unlock(&mm_list->lock);
+}
+
+void lru_gen_del_mm(struct mm_struct *mm)
+{
+	int nid;
+	struct lru_gen_mm_list *mm_list;
+	struct mem_cgroup *memcg = NULL;
+
+	if (list_empty(&mm->lru_gen.list))
+		return;
+
+#ifdef CONFIG_MEMCG
+	memcg = mm->lru_gen.memcg;
+#endif
+	mm_list = get_mm_list(memcg);
+
+	spin_lock(&mm_list->lock);
+
+	for_each_node(nid) {
+		struct lruvec *lruvec = get_lruvec(memcg, nid);
+
+		if (!lruvec)
+			continue;
+
+		/* where the current iteration continues after */
+		if (lruvec->mm_state.head == &mm->lru_gen.list)
+			lruvec->mm_state.head = lruvec->mm_state.head->prev;
+
+		/* where the last iteration ended before */
+		if (lruvec->mm_state.tail == &mm->lru_gen.list)
+			lruvec->mm_state.tail = lruvec->mm_state.tail->next;
+	}
+
+	list_del_init(&mm->lru_gen.list);
+
+	spin_unlock(&mm_list->lock);
+
+#ifdef CONFIG_MEMCG
+	mem_cgroup_put(mm->lru_gen.memcg);
+	mm->lru_gen.memcg = NULL;
+#endif
+}
+
+#ifdef CONFIG_MEMCG
+void lru_gen_migrate_mm(struct mm_struct *mm)
+{
+	struct mem_cgroup *memcg;
+	struct task_struct *task = rcu_dereference_protected(mm->owner, true);
+
+	VM_WARN_ON_ONCE(task->mm != mm);
+	lockdep_assert_held(&task->alloc_lock);
+
+	/* for mm_update_next_owner() */
+	if (mem_cgroup_disabled())
+		return;
+
+	/* migration can happen before addition */
+	if (!mm->lru_gen.memcg)
+		return;
+
+	rcu_read_lock();
+	memcg = mem_cgroup_from_task(task);
+	rcu_read_unlock();
+	if (memcg == mm->lru_gen.memcg)
+		return;
+
+	VM_WARN_ON_ONCE(list_empty(&mm->lru_gen.list));
+
+	lru_gen_del_mm(mm);
+	lru_gen_add_mm(mm);
+}
+#endif
+
+/*
+ * Bloom filters with m=1<<15, k=2 and the false positive rates of ~1/5 when
+ * n=10,000 and ~1/2 when n=20,000, where, conventionally, m is the number of
+ * bits in a bitmap, k is the number of hash functions and n is the number of
+ * inserted items.
+ *
+ * Page table walkers use one of the two filters to reduce their search space.
+ * To get rid of non-leaf entries that no longer have enough leaf entries, the
+ * aging uses the double-buffering technique to flip to the other filter each
+ * time it produces a new generation. For non-leaf entries that have enough
+ * leaf entries, the aging carries them over to the next generation in
+ * walk_pmd_range(); the eviction also report them when walking the rmap
+ * in lru_gen_look_around().
+ *
+ * For future optimizations:
+ * 1. It's not necessary to keep both filters all the time. The spare one can be
+ *    freed after the RCU grace period and reallocated if needed again.
+ * 2. And when reallocating, it's worth scaling its size according to the number
+ *    of inserted entries in the other filter, to reduce the memory overhead on
+ *    small systems and false positives on large systems.
+ * 3. Jenkins' hash function is an alternative to Knuth's.
+ */
+#define BLOOM_FILTER_SHIFT	15
+
+static inline int filter_gen_from_seq(unsigned long seq)
+{
+	return seq % NR_BLOOM_FILTERS;
+}
+
+static void get_item_key(void *item, int *key)
+{
+	u32 hash = hash_ptr(item, BLOOM_FILTER_SHIFT * 2);
+
+	BUILD_BUG_ON(BLOOM_FILTER_SHIFT * 2 > BITS_PER_TYPE(u32));
+
+	key[0] = hash & (BIT(BLOOM_FILTER_SHIFT) - 1);
+	key[1] = hash >> BLOOM_FILTER_SHIFT;
+}
+
+static void reset_bloom_filter(struct lruvec *lruvec, unsigned long seq)
+{
+	unsigned long *filter;
+	int gen = filter_gen_from_seq(seq);
+
+	filter = lruvec->mm_state.filters[gen];
+	if (filter) {
+		bitmap_clear(filter, 0, BIT(BLOOM_FILTER_SHIFT));
+		return;
+	}
+
+	filter = bitmap_zalloc(BIT(BLOOM_FILTER_SHIFT),
+			       __GFP_HIGH | __GFP_NOMEMALLOC | __GFP_NOWARN);
+	WRITE_ONCE(lruvec->mm_state.filters[gen], filter);
+}
+
+static void update_bloom_filter(struct lruvec *lruvec, unsigned long seq, void *item)
+{
+	int key[2];
+	unsigned long *filter;
+	int gen = filter_gen_from_seq(seq);
+
+	filter = READ_ONCE(lruvec->mm_state.filters[gen]);
+	if (!filter)
+		return;
+
+	get_item_key(item, key);
+
+	if (!test_bit(key[0], filter))
+		set_bit(key[0], filter);
+	if (!test_bit(key[1], filter))
+		set_bit(key[1], filter);
+}
+
+static bool test_bloom_filter(struct lruvec *lruvec, unsigned long seq, void *item)
+{
+	int key[2];
+	unsigned long *filter;
+	int gen = filter_gen_from_seq(seq);
+
+	filter = READ_ONCE(lruvec->mm_state.filters[gen]);
+	if (!filter)
+		return true;
+
+	get_item_key(item, key);
+
+	return test_bit(key[0], filter) && test_bit(key[1], filter);
+}
+
+static void reset_mm_stats(struct lruvec *lruvec, struct lru_gen_mm_walk *walk, bool last)
+{
+	int i;
+	int hist;
+
+	lockdep_assert_held(&get_mm_list(lruvec_memcg(lruvec))->lock);
+
+	if (walk) {
+		hist = lru_hist_from_seq(walk->max_seq);
+
+		for (i = 0; i < NR_MM_STATS; i++) {
+			WRITE_ONCE(lruvec->mm_state.stats[hist][i],
+				   lruvec->mm_state.stats[hist][i] + walk->mm_stats[i]);
+			walk->mm_stats[i] = 0;
+		}
+	}
+
+	if (NR_HIST_GENS > 1 && last) {
+		hist = lru_hist_from_seq(lruvec->mm_state.seq + 1);
+
+		for (i = 0; i < NR_MM_STATS; i++)
+			WRITE_ONCE(lruvec->mm_state.stats[hist][i], 0);
+	}
+}
+
+static bool should_skip_mm(struct mm_struct *mm, struct lru_gen_mm_walk *walk)
+{
+	int type;
+	unsigned long size = 0;
+	struct pglist_data *pgdat = lruvec_pgdat(walk->lruvec);
+	int key = pgdat->node_id;
+
+	if (!walk->full_scan && !node_isset(key, mm->lru_gen.nodes))
+		return true;
+
+	node_clear(key, mm->lru_gen.nodes);
+
+	for (type = !walk->can_swap; type < ANON_AND_FILE; type++) {
+		size += type ? get_mm_counter(mm, MM_FILEPAGES) :
+			       get_mm_counter(mm, MM_ANONPAGES) +
+			       get_mm_counter(mm, MM_SHMEMPAGES);
+	}
+
+	if (size < MIN_LRU_BATCH)
+		return true;
+
+	return !mmget_not_zero(mm);
+}
+
+static bool iterate_mm_list(struct lruvec *lruvec, struct lru_gen_mm_walk *walk,
+			    struct mm_struct **iter)
+{
+	bool first = false;
+	bool last = false;
+	struct mm_struct *mm = NULL;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+	struct lru_gen_mm_list *mm_list = get_mm_list(memcg);
+	struct lru_gen_mm_state *mm_state = &lruvec->mm_state;
+
+	/*
+	 * mm_state->seq is incremented after each iteration of mm_list. There
+	 * are three interesting cases for this page table walker:
+	 * 1. It tries to start a new iteration with a stale max_seq: there is
+	 *    nothing left to do.
+	 * 2. It started the next iteration: it needs to reset the Bloom filter
+	 *    so that a fresh set of PTE tables can be recorded.
+	 * 3. It ended the current iteration: it needs to reset the mm stats
+	 *    counters and tell its caller to increment max_seq.
+	 */
+	spin_lock(&mm_list->lock);
+
+	VM_WARN_ON_ONCE(mm_state->seq + 1 < walk->max_seq);
+
+	if (walk->max_seq <= mm_state->seq)
+		goto done;
+
+	if (!mm_state->head)
+		mm_state->head = &mm_list->fifo;
+
+	if (mm_state->head == &mm_list->fifo)
+		first = true;
+
+	do {
+		mm_state->head = mm_state->head->next;
+		if (mm_state->head == &mm_list->fifo) {
+			WRITE_ONCE(mm_state->seq, mm_state->seq + 1);
+			last = true;
+			break;
+		}
+
+		/* force scan for those added after the last iteration */
+		if (!mm_state->tail || mm_state->tail == mm_state->head) {
+			mm_state->tail = mm_state->head->next;
+			walk->full_scan = true;
+		}
+
+		mm = list_entry(mm_state->head, struct mm_struct, lru_gen.list);
+		if (should_skip_mm(mm, walk))
+			mm = NULL;
+	} while (!mm);
+done:
+	if (*iter || last)
+		reset_mm_stats(lruvec, walk, last);
+
+	spin_unlock(&mm_list->lock);
+
+	if (mm && first)
+		reset_bloom_filter(lruvec, walk->max_seq + 1);
+
+	if (*iter)
+		mmput_async(*iter);
+
+	*iter = mm;
+
+	return last;
+}
+
+static bool iterate_mm_list_nowalk(struct lruvec *lruvec, unsigned long max_seq)
+{
+	bool success = false;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+	struct lru_gen_mm_list *mm_list = get_mm_list(memcg);
+	struct lru_gen_mm_state *mm_state = &lruvec->mm_state;
+
+	spin_lock(&mm_list->lock);
+
+	VM_WARN_ON_ONCE(mm_state->seq + 1 < max_seq);
+
+	if (max_seq > mm_state->seq) {
+		mm_state->head = NULL;
+		mm_state->tail = NULL;
+		WRITE_ONCE(mm_state->seq, mm_state->seq + 1);
+		reset_mm_stats(lruvec, NULL, true);
+		success = true;
+	}
+
+	spin_unlock(&mm_list->lock);
+
+	return success;
+}
+
+/******************************************************************************
+ *                          refault feedback loop
+ ******************************************************************************/
+
+/*
+ * A feedback loop based on Proportional-Integral-Derivative (PID) controller.
+ *
+ * The P term is refaulted/(evicted+protected) from a tier in the generation
+ * currently being evicted; the I term is the exponential moving average of the
+ * P term over the generations previously evicted, using the smoothing factor
+ * 1/2; the D term isn't supported.
+ *
+ * The setpoint (SP) is always the first tier of one type; the process variable
+ * (PV) is either any tier of the other type or any other tier of the same
+ * type.
+ *
+ * The error is the difference between the SP and the PV; the correction is to
+ * turn off protection when SP>PV or turn on protection when SP<PV.
+ *
+ * For future optimizations:
+ * 1. The D term may discount the other two terms over time so that long-lived
+ *    generations can resist stale information.
+ */
+struct ctrl_pos {
+	unsigned long refaulted;
+	unsigned long total;
+	int gain;
+};
+
+static void read_ctrl_pos(struct lruvec *lruvec, int type, int tier, int gain,
+			  struct ctrl_pos *pos)
+{
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	int hist = lru_hist_from_seq(lrugen->min_seq[type]);
+
+	pos->refaulted = lrugen->avg_refaulted[type][tier] +
+			 atomic_long_read(&lrugen->refaulted[hist][type][tier]);
+	pos->total = lrugen->avg_total[type][tier] +
+		     atomic_long_read(&lrugen->evicted[hist][type][tier]);
+	if (tier)
+		pos->total += lrugen->protected[hist][type][tier - 1];
+	pos->gain = gain;
+}
+
+static void reset_ctrl_pos(struct lruvec *lruvec, int type, bool carryover)
+{
+	int hist, tier;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	bool clear = carryover ? NR_HIST_GENS == 1 : NR_HIST_GENS > 1;
+	unsigned long seq = carryover ? lrugen->min_seq[type] : lrugen->max_seq + 1;
+
+	lockdep_assert_held(&lruvec_pgdat(lruvec)->lru_lock);
+
+	if (!carryover && !clear)
+		return;
+
+	hist = lru_hist_from_seq(seq);
+
+	for (tier = 0; tier < MAX_NR_TIERS; tier++) {
+		if (carryover) {
+			unsigned long sum;
+
+			sum = lrugen->avg_refaulted[type][tier] +
+			      atomic_long_read(&lrugen->refaulted[hist][type][tier]);
+			WRITE_ONCE(lrugen->avg_refaulted[type][tier], sum / 2);
+
+			sum = lrugen->avg_total[type][tier] +
+			      atomic_long_read(&lrugen->evicted[hist][type][tier]);
+			if (tier)
+				sum += lrugen->protected[hist][type][tier - 1];
+			WRITE_ONCE(lrugen->avg_total[type][tier], sum / 2);
+		}
+
+		if (clear) {
+			atomic_long_set(&lrugen->refaulted[hist][type][tier], 0);
+			atomic_long_set(&lrugen->evicted[hist][type][tier], 0);
+			if (tier)
+				WRITE_ONCE(lrugen->protected[hist][type][tier - 1], 0);
+		}
+	}
+}
+
+static bool positive_ctrl_err(struct ctrl_pos *sp, struct ctrl_pos *pv)
+{
+	/*
+	 * Return true if the PV has a limited number of refaults or a lower
+	 * refaulted/total than the SP.
+	 */
+	return pv->refaulted < MIN_LRU_BATCH ||
+	       pv->refaulted * (sp->total + MIN_LRU_BATCH) * sp->gain <=
+	       (sp->refaulted + 1) * pv->total * pv->gain;
+}
+
+/******************************************************************************
+ *                          the aging
+ ******************************************************************************/
+
+/* promote pages accessed through page tables */
+static int page_update_gen(struct page *page, int gen)
+{
+	unsigned long new_flags, old_flags;
+
+	VM_WARN_ON_ONCE(gen >= MAX_NR_GENS);
+	VM_WARN_ON_ONCE(!rcu_read_lock_held());
+
+	do {
+		old_flags = READ_ONCE(page->flags);
+
+		/* lru_gen_del_page() has isolated this page? */
+		if (!(old_flags & LRU_GEN_MASK)) {
+			/* for shrink_page_list() */
+			new_flags = old_flags | BIT(PG_referenced);
+			continue;
+		}
+
+		new_flags = old_flags & ~(LRU_GEN_MASK | LRU_REFS_MASK | LRU_REFS_FLAGS);
+		new_flags |= (gen + 1UL) << LRU_GEN_PGOFF;
+	} while (cmpxchg(&page->flags, old_flags, new_flags) != old_flags);
+
+	return ((old_flags & LRU_GEN_MASK) >> LRU_GEN_PGOFF) - 1;
+}
+
+/* protect pages accessed multiple times through file descriptors */
+static int page_inc_gen(struct lruvec *lruvec, struct page *page, bool reclaiming)
+{
+	int type = page_is_file_lru(page);
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	int new_gen, old_gen = lru_gen_from_seq(lrugen->min_seq[type]);
+	unsigned long new_flags, old_flags;
+
+	do {
+		old_flags = READ_ONCE(page->flags);
+
+		VM_WARN_ON_ONCE_PAGE(!(old_flags & LRU_GEN_MASK), page);
+
+		new_gen = ((old_flags & LRU_GEN_MASK) >> LRU_GEN_PGOFF) - 1;
+		/* page_update_gen() has promoted this page? */
+		if (new_gen >= 0 && new_gen != old_gen)
+			return new_gen;
+
+		new_gen = (old_gen + 1) % MAX_NR_GENS;
+
+		new_flags = old_flags & ~(LRU_GEN_MASK | LRU_REFS_MASK | LRU_REFS_FLAGS);
+		new_flags |= (new_gen + 1UL) << LRU_GEN_PGOFF;
+		/* for end_page_writeback() */
+		if (reclaiming)
+			new_flags |= BIT(PG_reclaim);
+	} while (cmpxchg(&page->flags, old_flags, new_flags) != old_flags);
+
+	lru_gen_update_size(lruvec, page, old_gen, new_gen);
+
+	return new_gen;
+}
+
+static void update_batch_size(struct lru_gen_mm_walk *walk, struct page *page,
+			      int old_gen, int new_gen)
+{
+	int type = page_is_file_lru(page);
+	int zone = page_zonenum(page);
+	int delta = thp_nr_pages(page);
+
+	VM_WARN_ON_ONCE(old_gen >= MAX_NR_GENS);
+	VM_WARN_ON_ONCE(new_gen >= MAX_NR_GENS);
+
+	walk->batched++;
+
+	walk->nr_pages[old_gen][type][zone] -= delta;
+	walk->nr_pages[new_gen][type][zone] += delta;
+}
+
+static void reset_batch_size(struct lruvec *lruvec, struct lru_gen_mm_walk *walk)
+{
+	int gen, type, zone;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	walk->batched = 0;
+
+	for_each_gen_type_zone(gen, type, zone) {
+		enum lru_list lru = type * LRU_INACTIVE_FILE;
+		int delta = walk->nr_pages[gen][type][zone];
+
+		if (!delta)
+			continue;
+
+		walk->nr_pages[gen][type][zone] = 0;
+		WRITE_ONCE(lrugen->nr_pages[gen][type][zone],
+			   lrugen->nr_pages[gen][type][zone] + delta);
+
+		if (lru_gen_is_active(lruvec, gen))
+			lru += LRU_ACTIVE;
+		__update_lru_size(lruvec, lru, zone, delta);
+	}
+}
+
+static int should_skip_vma(unsigned long start, unsigned long end, struct mm_walk *args)
+{
+	struct address_space *mapping;
+	struct vm_area_struct *vma = args->vma;
+	struct lru_gen_mm_walk *walk = args->private;
+
+	if (!vma_is_accessible(vma))
+		return true;
+
+	if (is_vm_hugetlb_page(vma))
+		return true;
+
+	if (vma->vm_flags & (VM_LOCKED | VM_SPECIAL | VM_SEQ_READ | VM_RAND_READ))
+		return true;
+
+	if (vma == get_gate_vma(vma->vm_mm))
+		return true;
+
+	if (vma_is_anonymous(vma))
+		return !walk->can_swap;
+
+	if (WARN_ON_ONCE(!vma->vm_file || !vma->vm_file->f_mapping))
+		return true;
+
+	mapping = vma->vm_file->f_mapping;
+	if (mapping_unevictable(mapping))
+		return true;
+
+	if (shmem_mapping(mapping))
+		return !walk->can_swap;
+
+	/* to exclude special mappings like dax, etc. */
+	return !mapping->a_ops->readpage;
+}
+
+/*
+ * Some userspace memory allocators map many single-page VMAs. Instead of
+ * returning back to the PGD table for each of such VMAs, finish an entire PMD
+ * table to reduce zigzags and improve cache performance.
+ */
+static bool get_next_vma(unsigned long mask, unsigned long size, struct mm_walk *args,
+			 unsigned long *vm_start, unsigned long *vm_end)
+{
+	unsigned long start = round_up(*vm_end, size);
+	unsigned long end = (start | ~mask) + 1;
+
+	VM_WARN_ON_ONCE(mask & size);
+	VM_WARN_ON_ONCE((start & mask) != (*vm_start & mask));
+
+	while (args->vma) {
+		if (start >= args->vma->vm_end) {
+			args->vma = args->vma->vm_next;
+			continue;
+		}
+
+		if (end && end <= args->vma->vm_start)
+			return false;
+
+		if (should_skip_vma(args->vma->vm_start, args->vma->vm_end, args)) {
+			args->vma = args->vma->vm_next;
+			continue;
+		}
+
+		*vm_start = max(start, args->vma->vm_start);
+		*vm_end = min(end - 1, args->vma->vm_end - 1) + 1;
+
+		return true;
+	}
+
+	return false;
+}
+
+static unsigned long get_pte_pfn(pte_t pte, struct vm_area_struct *vma, unsigned long addr)
+{
+	unsigned long pfn = pte_pfn(pte);
+
+	VM_WARN_ON_ONCE(addr < vma->vm_start || addr >= vma->vm_end);
+
+	if (!pte_present(pte) || is_zero_pfn(pfn))
+		return -1;
+
+	if (WARN_ON_ONCE(pte_devmap(pte) || pte_special(pte)))
+		return -1;
+
+	if (WARN_ON_ONCE(!pfn_valid(pfn)))
+		return -1;
+
+	return pfn;
+}
+
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG)
+static unsigned long get_pmd_pfn(pmd_t pmd, struct vm_area_struct *vma, unsigned long addr)
+{
+	unsigned long pfn = pmd_pfn(pmd);
+
+	VM_WARN_ON_ONCE(addr < vma->vm_start || addr >= vma->vm_end);
+
+	if (!pmd_present(pmd) || is_huge_zero_pmd(pmd))
+		return -1;
+
+	if (WARN_ON_ONCE(pmd_devmap(pmd)))
+		return -1;
+
+	if (WARN_ON_ONCE(!pfn_valid(pfn)))
+		return -1;
+
+	return pfn;
+}
+#endif
+
+static struct page *get_pfn_page(unsigned long pfn, struct mem_cgroup *memcg,
+				 struct pglist_data *pgdat, bool can_swap)
+{
+	struct page *page;
+
+	/* try to avoid unnecessary memory loads */
+	if (pfn < pgdat->node_start_pfn || pfn >= pgdat_end_pfn(pgdat))
+		return NULL;
+
+	page = compound_head(pfn_to_page(pfn));
+	if (page_to_nid(page) != pgdat->node_id)
+		return NULL;
+
+	if (page_memcg_rcu(page) != memcg)
+		return NULL;
+
+	/* file VMAs can contain anon pages from COW */
+	if (!page_is_file_lru(page) && !can_swap)
+		return NULL;
+
+	return page;
+}
+
+static bool suitable_to_scan(int total, int young)
+{
+	int n = clamp_t(int, cache_line_size() / sizeof(pte_t), 2, 8);
+
+	/* suitable if the average number of young PTEs per cacheline is >=1 */
+	return young * n >= total;
+}
+
+static bool walk_pte_range(pmd_t *pmd, unsigned long start, unsigned long end,
+			   struct mm_walk *args)
+{
+	int i;
+	pte_t *pte;
+	spinlock_t *ptl;
+	unsigned long addr;
+	int total = 0;
+	int young = 0;
+	struct lru_gen_mm_walk *walk = args->private;
+	struct mem_cgroup *memcg = lruvec_memcg(walk->lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(walk->lruvec);
+	int old_gen, new_gen = lru_gen_from_seq(walk->max_seq);
+
+	VM_WARN_ON_ONCE(pmd_leaf(*pmd));
+
+	ptl = pte_lockptr(args->mm, pmd);
+	if (!spin_trylock(ptl))
+		return false;
+
+	arch_enter_lazy_mmu_mode();
+
+	pte = pte_offset_map(pmd, start & PMD_MASK);
+restart:
+	for (i = pte_index(start), addr = start; addr != end; i++, addr += PAGE_SIZE) {
+		unsigned long pfn;
+		struct page *page;
+
+		total++;
+		walk->mm_stats[MM_LEAF_TOTAL]++;
+
+		pfn = get_pte_pfn(pte[i], args->vma, addr);
+		if (pfn == -1)
+			continue;
+
+		if (!pte_young(pte[i])) {
+			walk->mm_stats[MM_LEAF_OLD]++;
+			continue;
+		}
+
+		page = get_pfn_page(pfn, memcg, pgdat, walk->can_swap);
+		if (!page)
+			continue;
+
+		if (!ptep_test_and_clear_young(args->vma, addr, pte + i))
+			VM_WARN_ON_ONCE(true);
+
+		young++;
+		walk->mm_stats[MM_LEAF_YOUNG]++;
+
+		if (pte_dirty(pte[i]) && !PageDirty(page) &&
+		    !(PageAnon(page) && PageSwapBacked(page) &&
+		      !PageSwapCache(page)))
+			set_page_dirty(page);
+
+		old_gen = page_update_gen(page, new_gen);
+		if (old_gen >= 0 && old_gen != new_gen)
+			update_batch_size(walk, page, old_gen, new_gen);
+	}
+
+	if (i < PTRS_PER_PTE && get_next_vma(PMD_MASK, PAGE_SIZE, args, &start, &end))
+		goto restart;
+
+	pte_unmap(pte);
+
+	arch_leave_lazy_mmu_mode();
+	spin_unlock(ptl);
+
+	return suitable_to_scan(total, young);
+}
+
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG)
+static void walk_pmd_range_locked(pud_t *pud, unsigned long next, struct vm_area_struct *vma,
+				  struct mm_walk *args, unsigned long *bitmap, unsigned long *start)
+{
+	int i;
+	pmd_t *pmd;
+	spinlock_t *ptl;
+	struct lru_gen_mm_walk *walk = args->private;
+	struct mem_cgroup *memcg = lruvec_memcg(walk->lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(walk->lruvec);
+	int old_gen, new_gen = lru_gen_from_seq(walk->max_seq);
+
+	VM_WARN_ON_ONCE(pud_leaf(*pud));
+
+	/* try to batch at most 1+MIN_LRU_BATCH+1 entries */
+	if (*start == -1) {
+		*start = next;
+		return;
+	}
+
+	i = next == -1 ? 0 : pmd_index(next) - pmd_index(*start);
+	if (i && i <= MIN_LRU_BATCH) {
+		__set_bit(i - 1, bitmap);
+		return;
+	}
+
+	pmd = pmd_offset(pud, *start);
+
+	ptl = pmd_lockptr(args->mm, pmd);
+	if (!spin_trylock(ptl))
+		goto done;
+
+	arch_enter_lazy_mmu_mode();
+
+	do {
+		unsigned long pfn;
+		struct page *page;
+		unsigned long addr = i ? (*start & PMD_MASK) + i * PMD_SIZE : *start;
+
+		pfn = get_pmd_pfn(pmd[i], vma, addr);
+		if (pfn == -1)
+			goto next;
+
+		if (!pmd_trans_huge(pmd[i])) {
+			if (IS_ENABLED(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG) &&
+			    get_cap(LRU_GEN_NONLEAF_YOUNG))
+				pmdp_test_and_clear_young(vma, addr, pmd + i);
+			goto next;
+		}
+
+		page = get_pfn_page(pfn, memcg, pgdat, walk->can_swap);
+		if (!page)
+			goto next;
+
+		if (!pmdp_test_and_clear_young(vma, addr, pmd + i))
+			goto next;
+
+		walk->mm_stats[MM_LEAF_YOUNG]++;
+
+		if (pmd_dirty(pmd[i]) && !PageDirty(page) &&
+		    !(PageAnon(page) && PageSwapBacked(page) &&
+		      !PageSwapCache(page)))
+			set_page_dirty(page);
+
+		old_gen = page_update_gen(page, new_gen);
+		if (old_gen >= 0 && old_gen != new_gen)
+			update_batch_size(walk, page, old_gen, new_gen);
+next:
+		i = i > MIN_LRU_BATCH ? 0 : find_next_bit(bitmap, MIN_LRU_BATCH, i) + 1;
+	} while (i <= MIN_LRU_BATCH);
+
+	arch_leave_lazy_mmu_mode();
+	spin_unlock(ptl);
+done:
+	*start = -1;
+	bitmap_zero(bitmap, MIN_LRU_BATCH);
+}
+#else
+static void walk_pmd_range_locked(pud_t *pud, unsigned long next, struct vm_area_struct *vma,
+				  struct mm_walk *args, unsigned long *bitmap, unsigned long *start)
+{
+}
+#endif
+
+static void walk_pmd_range(pud_t *pud, unsigned long start, unsigned long end,
+			   struct mm_walk *args)
+{
+	int i;
+	pmd_t *pmd;
+	unsigned long next;
+	unsigned long addr;
+	struct vm_area_struct *vma;
+	unsigned long pos = -1;
+	struct lru_gen_mm_walk *walk = args->private;
+	unsigned long bitmap[BITS_TO_LONGS(MIN_LRU_BATCH)] = {};
+
+	VM_WARN_ON_ONCE(pud_leaf(*pud));
+
+	/*
+	 * Finish an entire PMD in two passes: the first only reaches to PTE
+	 * tables to avoid taking the PMD lock; the second, if necessary, takes
+	 * the PMD lock to clear the accessed bit in PMD entries.
+	 */
+	pmd = pmd_offset(pud, start & PUD_MASK);
+restart:
+	/* walk_pte_range() may call get_next_vma() */
+	vma = args->vma;
+	for (i = pmd_index(start), addr = start; addr != end; i++, addr = next) {
+		pmd_t val = pmd_read_atomic(pmd + i);
+
+		/* for pmd_read_atomic() */
+		barrier();
+
+		next = pmd_addr_end(addr, end);
+
+		if (!pmd_present(val) || is_huge_zero_pmd(val)) {
+			walk->mm_stats[MM_LEAF_TOTAL]++;
+			continue;
+		}
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+		if (pmd_trans_huge(val)) {
+			unsigned long pfn = pmd_pfn(val);
+			struct pglist_data *pgdat = lruvec_pgdat(walk->lruvec);
+
+			walk->mm_stats[MM_LEAF_TOTAL]++;
+
+			if (!pmd_young(val)) {
+				walk->mm_stats[MM_LEAF_OLD]++;
+				continue;
+			}
+
+			/* try to avoid unnecessary memory loads */
+			if (pfn < pgdat->node_start_pfn || pfn >= pgdat_end_pfn(pgdat))
+				continue;
+
+			walk_pmd_range_locked(pud, addr, vma, args, bitmap, &pos);
+			continue;
+		}
+#endif
+		walk->mm_stats[MM_NONLEAF_TOTAL]++;
+
+#ifdef CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG
+		if (get_cap(LRU_GEN_NONLEAF_YOUNG)) {
+			if (!pmd_young(val))
+				continue;
+
+			walk_pmd_range_locked(pud, addr, vma, args, bitmap, &pos);
+		}
+#endif
+		if (!walk->full_scan && !test_bloom_filter(walk->lruvec, walk->max_seq, pmd + i))
+			continue;
+
+		walk->mm_stats[MM_NONLEAF_FOUND]++;
+
+		if (!walk_pte_range(&val, addr, next, args))
+			continue;
+
+		walk->mm_stats[MM_NONLEAF_ADDED]++;
+
+		/* carry over to the next generation */
+		update_bloom_filter(walk->lruvec, walk->max_seq + 1, pmd + i);
+	}
+
+	walk_pmd_range_locked(pud, -1, vma, args, bitmap, &pos);
+
+	if (i < PTRS_PER_PMD && get_next_vma(PUD_MASK, PMD_SIZE, args, &start, &end))
+		goto restart;
+}
+
+static int walk_pud_range(p4d_t *p4d, unsigned long start, unsigned long end,
+			  struct mm_walk *args)
+{
+	int i;
+	pud_t *pud;
+	unsigned long addr;
+	unsigned long next;
+	struct lru_gen_mm_walk *walk = args->private;
+
+	VM_WARN_ON_ONCE(p4d_leaf(*p4d));
+
+	pud = pud_offset(p4d, start & P4D_MASK);
+restart:
+	for (i = pud_index(start), addr = start; addr != end; i++, addr = next) {
+		pud_t val = READ_ONCE(pud[i]);
+
+		next = pud_addr_end(addr, end);
+
+		if (!pud_present(val) || WARN_ON_ONCE(pud_leaf(val)))
+			continue;
+
+		walk_pmd_range(&val, addr, next, args);
+
+		if (need_resched() || walk->batched >= MAX_LRU_BATCH) {
+			end = (addr | ~PUD_MASK) + 1;
+			goto done;
+		}
+	}
+
+	if (i < PTRS_PER_PUD && get_next_vma(P4D_MASK, PUD_SIZE, args, &start, &end))
+		goto restart;
+
+	end = round_up(end, P4D_SIZE);
+done:
+	if (!end || !args->vma)
+		return 1;
+
+	walk->next_addr = max(end, args->vma->vm_start);
+
+	return -EAGAIN;
+}
+
+static void walk_mm(struct lruvec *lruvec, struct mm_struct *mm, struct lru_gen_mm_walk *walk)
+{
+	static const struct mm_walk_ops mm_walk_ops = {
+		.test_walk = should_skip_vma,
+		.p4d_entry = walk_pud_range,
+	};
+
+	int err;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
+
+	walk->next_addr = FIRST_USER_ADDRESS;
+
+	do {
+		DEFINE_MAX_SEQ(lruvec);
+
+		err = -EBUSY;
+
+		/* another thread might have called inc_max_seq() */
+		if (walk->max_seq != max_seq)
+			break;
+
+		/* page_update_gen() requires stable page_memcg() */
+		if (!mem_cgroup_trylock_pages(memcg))
+			break;
+
+		/* the caller might be holding the lock for write */
+		if (mmap_read_trylock(mm)) {
+			err = walk_page_range(mm, walk->next_addr, ULONG_MAX, &mm_walk_ops, walk);
+
+			mmap_read_unlock(mm);
+		}
+
+		mem_cgroup_unlock_pages();
+
+		if (walk->batched) {
+			spin_lock_irq(&pgdat->lru_lock);
+			reset_batch_size(lruvec, walk);
+			spin_unlock_irq(&pgdat->lru_lock);
+		}
+
+		cond_resched();
+	} while (err == -EAGAIN);
+}
+
+static struct lru_gen_mm_walk *set_mm_walk(struct pglist_data *pgdat)
+{
+	struct lru_gen_mm_walk *walk = current->reclaim_state->mm_walk;
+
+	if (pgdat && current_is_kswapd()) {
+		VM_WARN_ON_ONCE(walk);
+
+		walk = &pgdat->mm_walk;
+	} else if (!pgdat && !walk) {
+		VM_WARN_ON_ONCE(current_is_kswapd());
+
+		walk = kzalloc(sizeof(*walk), __GFP_HIGH | __GFP_NOMEMALLOC | __GFP_NOWARN);
+	}
+
+	current->reclaim_state->mm_walk = walk;
+
+	return walk;
+}
+
+static void clear_mm_walk(void)
+{
+	struct lru_gen_mm_walk *walk = current->reclaim_state->mm_walk;
+
+	VM_WARN_ON_ONCE(walk && memchr_inv(walk->nr_pages, 0, sizeof(walk->nr_pages)));
+	VM_WARN_ON_ONCE(walk && memchr_inv(walk->mm_stats, 0, sizeof(walk->mm_stats)));
+
+	current->reclaim_state->mm_walk = NULL;
+
+	if (!current_is_kswapd())
+		kfree(walk);
+}
+
+static bool inc_min_seq(struct lruvec *lruvec, int type, bool can_swap)
+{
+	int zone;
+	int remaining = MAX_LRU_BATCH;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	int new_gen, old_gen = lru_gen_from_seq(lrugen->min_seq[type]);
+
+	if (type == LRU_GEN_ANON && !can_swap)
+		goto done;
+
+	/* prevent cold/hot inversion if full_scan is true */
+	for (zone = 0; zone < MAX_NR_ZONES; zone++) {
+		struct list_head *head = &lrugen->lists[old_gen][type][zone];
+
+		while (!list_empty(head)) {
+			struct page *page = lru_to_page(head);
+
+			VM_WARN_ON_ONCE_PAGE(PageUnevictable(page), page);
+			VM_WARN_ON_ONCE_PAGE(PageActive(page), page);
+			VM_WARN_ON_ONCE_PAGE(page_is_file_lru(page) != type, page);
+			VM_WARN_ON_ONCE_PAGE(page_zonenum(page) != zone, page);
+
+			new_gen = page_inc_gen(lruvec, page, false);
+			list_move_tail(&page->lru, &lrugen->lists[new_gen][type][zone]);
+
+			if (!--remaining)
+				return false;
+		}
+	}
+done:
+	reset_ctrl_pos(lruvec, type, true);
+	WRITE_ONCE(lrugen->min_seq[type], lrugen->min_seq[type] + 1);
+
+	return true;
+}
+
+static bool try_to_inc_min_seq(struct lruvec *lruvec, bool can_swap)
+{
+	int gen, type, zone;
+	bool success = false;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	DEFINE_MIN_SEQ(lruvec);
+
+	VM_WARN_ON_ONCE(!seq_is_valid(lruvec));
+
+	/* find the oldest populated generation */
+	for (type = !can_swap; type < ANON_AND_FILE; type++) {
+		while (min_seq[type] + MIN_NR_GENS <= lrugen->max_seq) {
+			gen = lru_gen_from_seq(min_seq[type]);
+
+			for (zone = 0; zone < MAX_NR_ZONES; zone++) {
+				if (!list_empty(&lrugen->lists[gen][type][zone]))
+					goto next;
+			}
+
+			min_seq[type]++;
+		}
+next:
+		;
+	}
+
+	/* see the comment on lru_gen_struct */
+	if (can_swap) {
+		min_seq[LRU_GEN_ANON] = min(min_seq[LRU_GEN_ANON], min_seq[LRU_GEN_FILE]);
+		min_seq[LRU_GEN_FILE] = max(min_seq[LRU_GEN_ANON], lrugen->min_seq[LRU_GEN_FILE]);
+	}
+
+	for (type = !can_swap; type < ANON_AND_FILE; type++) {
+		if (min_seq[type] == lrugen->min_seq[type])
+			continue;
+
+		reset_ctrl_pos(lruvec, type, true);
+		WRITE_ONCE(lrugen->min_seq[type], min_seq[type]);
+		success = true;
+	}
+
+	return success;
+}
+
+static void inc_max_seq(struct lruvec *lruvec, bool can_swap, bool full_scan)
+{
+	int prev, next;
+	int type, zone;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
+restart:
+	spin_lock_irq(&pgdat->lru_lock);
+
+	VM_WARN_ON_ONCE(!seq_is_valid(lruvec));
+
+	for (type = ANON_AND_FILE - 1; type >= 0; type--) {
+		if (get_nr_gens(lruvec, type) != MAX_NR_GENS)
+			continue;
+
+		VM_WARN_ON_ONCE(!full_scan && (type == LRU_GEN_FILE || can_swap));
+
+		if (inc_min_seq(lruvec, type, can_swap))
+			continue;
+
+		spin_unlock_irq(&pgdat->lru_lock);
+		cond_resched();
+		goto restart;
+	}
+
+	/*
+	 * Update the active/inactive LRU sizes for compatibility. Both sides of
+	 * the current max_seq need to be covered, since max_seq+1 can overlap
+	 * with min_seq[LRU_GEN_ANON] if swapping is constrained. And if they do
+	 * overlap, cold/hot inversion happens.
+	 */
+	prev = lru_gen_from_seq(lrugen->max_seq - 1);
+	next = lru_gen_from_seq(lrugen->max_seq + 1);
+
+	for (type = 0; type < ANON_AND_FILE; type++) {
+		for (zone = 0; zone < MAX_NR_ZONES; zone++) {
+			enum lru_list lru = type * LRU_INACTIVE_FILE;
+			long delta = lrugen->nr_pages[prev][type][zone] -
+				     lrugen->nr_pages[next][type][zone];
+
+			if (!delta)
+				continue;
+
+			__update_lru_size(lruvec, lru, zone, delta);
+			__update_lru_size(lruvec, lru + LRU_ACTIVE, zone, -delta);
+		}
+	}
+
+	for (type = 0; type < ANON_AND_FILE; type++)
+		reset_ctrl_pos(lruvec, type, false);
+
+	WRITE_ONCE(lrugen->timestamps[next], jiffies);
+	/* make sure preceding modifications appear */
+	smp_store_release(&lrugen->max_seq, lrugen->max_seq + 1);
+
+	spin_unlock_irq(&pgdat->lru_lock);
+}
+
+static bool try_to_inc_max_seq(struct lruvec *lruvec, unsigned long max_seq,
+			       struct scan_control *sc, bool can_swap, bool full_scan)
+{
+	bool success;
+	struct lru_gen_mm_walk *walk;
+	struct mm_struct *mm = NULL;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	VM_WARN_ON_ONCE(max_seq > READ_ONCE(lrugen->max_seq));
+
+	/* see the comment in iterate_mm_list() */
+	if (max_seq <= READ_ONCE(lruvec->mm_state.seq)) {
+		success = false;
+		goto done;
+	}
+
+	/*
+	 * If the hardware doesn't automatically set the accessed bit, fallback
+	 * to lru_gen_look_around(), which only clears the accessed bit in a
+	 * handful of PTEs. Spreading the work out over a period of time usually
+	 * is less efficient, but it avoids bursty page faults.
+	 */
+	if (!full_scan && !(arch_has_hw_pte_young() && get_cap(LRU_GEN_MM_WALK))) {
+		success = iterate_mm_list_nowalk(lruvec, max_seq);
+		goto done;
+	}
+
+	walk = set_mm_walk(NULL);
+	if (!walk) {
+		success = iterate_mm_list_nowalk(lruvec, max_seq);
+		goto done;
+	}
+
+	walk->lruvec = lruvec;
+	walk->max_seq = max_seq;
+	walk->can_swap = can_swap;
+	walk->full_scan = full_scan;
+
+	do {
+		success = iterate_mm_list(lruvec, walk, &mm);
+		if (mm)
+			walk_mm(lruvec, mm, walk);
+	} while (mm);
+done:
+	if (success)
+		inc_max_seq(lruvec, can_swap, full_scan);
+
+	return success;
+}
+
+static bool should_run_aging(struct lruvec *lruvec, unsigned long max_seq, unsigned long *min_seq,
+			     struct scan_control *sc, bool can_swap, unsigned long *nr_to_scan)
+{
+	int gen, type, zone;
+	unsigned long old = 0;
+	unsigned long young = 0;
+	unsigned long total = 0;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+
+	for (type = !can_swap; type < ANON_AND_FILE; type++) {
+		unsigned long seq;
+
+		for (seq = min_seq[type]; seq <= max_seq; seq++) {
+			unsigned long size = 0;
+
+			gen = lru_gen_from_seq(seq);
+
+			for (zone = 0; zone < MAX_NR_ZONES; zone++)
+				size += max_t(long, READ_ONCE(lrugen->nr_pages[gen][type][zone]),
+						0);
+
+			total += size;
+			if (seq == max_seq)
+				young += size;
+			else if (seq + MIN_NR_GENS == max_seq)
+				old += size;
+		}
+	}
+
+	/* try to scrape all its memory if this memcg was deleted */
+	*nr_to_scan = mem_cgroup_online(memcg) ? (total >> sc->priority) : total;
+
+	/*
+	 * The aging tries to be lazy to reduce the overhead, while the eviction
+	 * stalls when the number of generations reaches MIN_NR_GENS. Hence, the
+	 * ideal number of generations is MIN_NR_GENS+1.
+	 */
+	if (min_seq[!can_swap] + MIN_NR_GENS > max_seq)
+		return true;
+	if (min_seq[!can_swap] + MIN_NR_GENS < max_seq)
+		return false;
+
+	/*
+	 * It's also ideal to spread pages out evenly, i.e., 1/(MIN_NR_GENS+1)
+	 * of the total number of pages for each generation. A reasonable range
+	 * for this average portion is [1/MIN_NR_GENS, 1/(MIN_NR_GENS+2)]. The
+	 * aging cares about the upper bound of hot pages, while the eviction
+	 * cares about the lower bound of cold pages.
+	 */
+	if (young * MIN_NR_GENS > total)
+		return true;
+	if (old * (MIN_NR_GENS + 2) < total)
+		return true;
+
+	return false;
+}
+
+static bool age_lruvec(struct lruvec *lruvec, struct scan_control *sc, unsigned long min_ttl)
+{
+	bool need_aging;
+	unsigned long nr_to_scan;
+	int swappiness = get_swappiness(lruvec, sc);
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+	DEFINE_MAX_SEQ(lruvec);
+	DEFINE_MIN_SEQ(lruvec);
+
+	VM_WARN_ON_ONCE(sc->memcg_low_reclaim);
+
+	mem_cgroup_calculate_protection(NULL, memcg);
+
+	if (mem_cgroup_below_min(memcg))
+		return false;
+
+	need_aging = should_run_aging(lruvec, max_seq, min_seq, sc, swappiness, &nr_to_scan);
+
+	if (min_ttl) {
+		int gen = lru_gen_from_seq(min_seq[LRU_GEN_FILE]);
+		unsigned long birth = READ_ONCE(lruvec->lrugen.timestamps[gen]);
+
+		if (time_is_after_jiffies(birth + min_ttl))
+			return false;
+
+		/* the size is likely too small to be helpful */
+		if (!nr_to_scan && sc->priority != DEF_PRIORITY)
+			return false;
+	}
+
+	if (need_aging)
+		try_to_inc_max_seq(lruvec, max_seq, sc, swappiness, false);
+
+	return true;
+}
+
+/* to protect the working set of the last N jiffies */
+static unsigned long lru_gen_min_ttl __read_mostly;
+
+static void lru_gen_age_node(struct pglist_data *pgdat, struct scan_control *sc)
+{
+	struct mem_cgroup *memcg;
+	bool success = false;
+	unsigned long min_ttl = READ_ONCE(lru_gen_min_ttl);
+
+	VM_WARN_ON_ONCE(!current_is_kswapd());
+
+	sc->last_reclaimed = sc->nr_reclaimed;
+
+	/*
+	 * To reduce the chance of going into the aging path, which can be
+	 * costly, optimistically skip it if the flag below was cleared in the
+	 * eviction path. This improves the overall performance when multiple
+	 * memcgs are available.
+	 */
+	if (!sc->memcgs_need_aging) {
+		sc->memcgs_need_aging = true;
+		return;
+	}
+
+	set_mm_walk(pgdat);
+
+	memcg = mem_cgroup_iter(NULL, NULL, NULL);
+	do {
+		struct lruvec *lruvec = mem_cgroup_lruvec(memcg, pgdat);
+
+		if (age_lruvec(lruvec, sc, min_ttl))
+			success = true;
+
+		cond_resched();
+	} while ((memcg = mem_cgroup_iter(NULL, memcg, NULL)));
+
+	clear_mm_walk();
+
+	/* check the order to exclude compaction-induced reclaim */
+	if (success || !min_ttl || sc->order)
+		return;
+
+	/*
+	 * The main goal is to OOM kill if every generation from all memcgs is
+	 * younger than min_ttl. However, another possibility is all memcgs are
+	 * either below min or empty.
+	 */
+	if (mutex_trylock(&oom_lock)) {
+		struct oom_control oc = {
+			.gfp_mask = sc->gfp_mask,
+		};
+
+		out_of_memory(&oc);
+
+		mutex_unlock(&oom_lock);
+	}
+}
+
+/*
+ * This function exploits spatial locality when shrink_page_list() walks the
+ * rmap. It scans the adjacent PTEs of a young PTE and promotes hot pages. If
+ * the scan was done cacheline efficiently, it adds the PMD entry pointing to
+ * the PTE table to the Bloom filter. This forms a feedback loop between the
+ * eviction and the aging.
+ */
+void lru_gen_look_around(struct page_vma_mapped_walk *pvmw)
+{
+	int i;
+	pte_t *pte;
+	unsigned long start;
+	unsigned long end;
+	unsigned long addr;
+	struct lru_gen_mm_walk *walk;
+	int young = 0;
+	unsigned long bitmap[BITS_TO_LONGS(MIN_LRU_BATCH)] = {};
+	struct page *page = pvmw->page;
+	bool can_swap = !page_is_file_lru(page);
+	struct mem_cgroup *memcg = page_memcg(page);
+	struct pglist_data *pgdat = page_pgdat(page);
+	struct lruvec *lruvec = mem_cgroup_lruvec(memcg, pgdat);
+	DEFINE_MAX_SEQ(lruvec);
+	int old_gen, new_gen = lru_gen_from_seq(max_seq);
+
+	lockdep_assert_held(pvmw->ptl);
+	VM_WARN_ON_ONCE_PAGE(PageLRU(page), page);
+
+	if (spin_is_contended(pvmw->ptl))
+		return;
+
+	/* avoid taking the LRU lock under the PTL when possible */
+	walk = current->reclaim_state ? current->reclaim_state->mm_walk : NULL;
+
+	start = max(pvmw->address & PMD_MASK, pvmw->vma->vm_start);
+	end = min(pvmw->address | ~PMD_MASK, pvmw->vma->vm_end - 1) + 1;
+
+	if (end - start > MIN_LRU_BATCH * PAGE_SIZE) {
+		if (pvmw->address - start < MIN_LRU_BATCH * PAGE_SIZE / 2)
+			end = start + MIN_LRU_BATCH * PAGE_SIZE;
+		else if (end - pvmw->address < MIN_LRU_BATCH * PAGE_SIZE / 2)
+			start = end - MIN_LRU_BATCH * PAGE_SIZE;
+		else {
+			start = pvmw->address - MIN_LRU_BATCH * PAGE_SIZE / 2;
+			end = pvmw->address + MIN_LRU_BATCH * PAGE_SIZE / 2;
+		}
+	}
+
+	pte = pvmw->pte - (pvmw->address - start) / PAGE_SIZE;
+
+	rcu_read_lock();
+	arch_enter_lazy_mmu_mode();
+
+	for (i = 0, addr = start; addr != end; i++, addr += PAGE_SIZE) {
+		unsigned long pfn;
+
+		pfn = get_pte_pfn(pte[i], pvmw->vma, addr);
+		if (pfn == -1)
+			continue;
+
+		if (!pte_young(pte[i]))
+			continue;
+
+		page = get_pfn_page(pfn, memcg, pgdat, can_swap);
+		if (!page)
+			continue;
+
+		if (!ptep_test_and_clear_young(pvmw->vma, addr, pte + i))
+			VM_WARN_ON_ONCE(true);
+
+		young++;
+
+		if (pte_dirty(pte[i]) && !PageDirty(page) &&
+		    !(PageAnon(page) && PageSwapBacked(page) &&
+		      !PageSwapCache(page)))
+			set_page_dirty(page);
+
+		old_gen = page_lru_gen(page);
+		if (old_gen < 0)
+			SetPageReferenced(page);
+		else if (old_gen != new_gen)
+			__set_bit(i, bitmap);
+	}
+
+	arch_leave_lazy_mmu_mode();
+	rcu_read_unlock();
+
+	/* feedback from rmap walkers to page table walkers */
+	if (suitable_to_scan(i, young))
+		update_bloom_filter(lruvec, max_seq, pvmw->pmd);
+
+	if (!walk && bitmap_weight(bitmap, MIN_LRU_BATCH) < PAGEVEC_SIZE) {
+		for_each_set_bit(i, bitmap, MIN_LRU_BATCH) {
+			page = pte_page(pte[i]);
+			activate_page(page);
+		}
+		return;
+	}
+
+	/* page_update_gen() requires stable page_memcg() */
+	if (!mem_cgroup_trylock_pages(memcg))
+		return;
+
+	if (!walk) {
+		spin_lock_irq(&pgdat->lru_lock);
+		new_gen = lru_gen_from_seq(lruvec->lrugen.max_seq);
+	}
+
+	for_each_set_bit(i, bitmap, MIN_LRU_BATCH) {
+		page = compound_head(pte_page(pte[i]));
+		if (page_memcg_rcu(page) != memcg)
+			continue;
+
+		old_gen = page_update_gen(page, new_gen);
+		if (old_gen < 0 || old_gen == new_gen)
+			continue;
+
+		if (walk)
+			update_batch_size(walk, page, old_gen, new_gen);
+		else
+			lru_gen_update_size(lruvec, page, old_gen, new_gen);
+	}
+
+	if (!walk)
+		spin_unlock_irq(&pgdat->lru_lock);
+
+	mem_cgroup_unlock_pages();
+}
+
+/******************************************************************************
+ *                          the eviction
+ ******************************************************************************/
+
+static bool sort_page(struct lruvec *lruvec, struct page *page, struct scan_control *sc,
+		       int tier_idx)
+{
+	bool success;
+	int gen = page_lru_gen(page);
+	int type = page_is_file_lru(page);
+	int zone = page_zonenum(page);
+	int delta = thp_nr_pages(page);
+	int refs = page_lru_refs(page);
+	int tier = lru_tier_from_refs(refs);
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	VM_WARN_ON_ONCE_PAGE(gen >= MAX_NR_GENS, page);
+
+	/* unevictable */
+	if (!page_evictable(page)) {
+		success = lru_gen_del_page(lruvec, page, true);
+		VM_WARN_ON_ONCE_PAGE(!success, page);
+		SetPageUnevictable(page);
+		add_page_to_lru_list(page, lruvec);
+		__count_vm_events(UNEVICTABLE_PGCULLED, delta);
+		return true;
+	}
+
+	/* dirty lazyfree */
+	if (type == LRU_GEN_FILE && PageAnon(page) && PageDirty(page)) {
+		success = lru_gen_del_page(lruvec, page, true);
+		VM_WARN_ON_ONCE_PAGE(!success, page);
+		SetPageSwapBacked(page);
+		add_page_to_lru_list_tail(page, lruvec);
+		return true;
+	}
+
+	/* promoted */
+	if (gen != lru_gen_from_seq(lrugen->min_seq[type])) {
+		list_move(&page->lru, &lrugen->lists[gen][type][zone]);
+		return true;
+	}
+
+	/* protected */
+	if (tier > tier_idx) {
+		int hist = lru_hist_from_seq(lrugen->min_seq[type]);
+
+		gen = page_inc_gen(lruvec, page, false);
+		list_move_tail(&page->lru, &lrugen->lists[gen][type][zone]);
+
+		WRITE_ONCE(lrugen->protected[hist][type][tier - 1],
+			   lrugen->protected[hist][type][tier - 1] + delta);
+		return true;
+	}
+
+	/* ineligible */
+	if (zone > sc->reclaim_idx || skip_cma(page, sc)) {
+		gen = page_inc_gen(lruvec, page, false);
+		list_move_tail(&page->lru, &lrugen->lists[gen][type][zone]);
+		return true;
+	}
+
+	/* waiting for writeback */
+	if (PageLocked(page) || PageWriteback(page) ||
+	    (type == LRU_GEN_FILE && PageDirty(page))) {
+		gen = page_inc_gen(lruvec, page, true);
+		list_move(&page->lru, &lrugen->lists[gen][type][zone]);
+		return true;
+	}
+
+	return false;
+}
+
+static bool isolate_page(struct lruvec *lruvec, struct page *page, struct scan_control *sc)
+{
+	bool success;
+
+	/* unmapping inhibited */
+	if (!sc->may_unmap && page_mapped(page))
+		return false;
+
+	/* swapping inhibited */
+	if (!(sc->may_writepage && (sc->gfp_mask & __GFP_IO)) &&
+	    (PageDirty(page) ||
+	     (PageAnon(page) && !PageSwapCache(page))))
+		return false;
+
+	/* raced with release_pages() */
+	if (!get_page_unless_zero(page))
+		return false;
+
+	ClearPageLRU(page);
+
+	/* see the comment on MAX_NR_TIERS */
+	if (!PageReferenced(page))
+		set_mask_bits(&page->flags, LRU_REFS_MASK | LRU_REFS_FLAGS, 0);
+
+	/* for shrink_page_list() */
+	ClearPageReclaim(page);
+	ClearPageReferenced(page);
+
+	success = lru_gen_del_page(lruvec, page, true);
+	VM_WARN_ON_ONCE_PAGE(!success, page);
+
+	return true;
+}
+
+static int scan_pages(struct lruvec *lruvec, struct scan_control *sc,
+		      int type, int tier, struct list_head *list)
+{
+	int i;
+	int gen;
+	enum vm_event_item item;
+	int sorted = 0;
+	int scanned = 0;
+	int isolated = 0;
+	int remaining = MAX_LRU_BATCH;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+
+	VM_WARN_ON_ONCE(!list_empty(list));
+
+	if (get_nr_gens(lruvec, type) == MIN_NR_GENS)
+		return 0;
+
+	gen = lru_gen_from_seq(lrugen->min_seq[type]);
+
+	for (i = MAX_NR_ZONES; i > 0; i--) {
+		LIST_HEAD(moved);
+		int skipped = 0;
+		int zone = (sc->reclaim_idx + i) % MAX_NR_ZONES;
+		struct list_head *head = &lrugen->lists[gen][type][zone];
+
+		while (!list_empty(head)) {
+			struct page *page = lru_to_page(head);
+			int delta = thp_nr_pages(page);
+
+			VM_WARN_ON_ONCE_PAGE(PageUnevictable(page), page);
+			VM_WARN_ON_ONCE_PAGE(PageActive(page), page);
+			VM_WARN_ON_ONCE_PAGE(page_is_file_lru(page) != type, page);
+			VM_WARN_ON_ONCE_PAGE(page_zonenum(page) != zone, page);
+
+			scanned += delta;
+
+			if (sort_page(lruvec, page, sc, tier))
+				sorted += delta;
+			else if (isolate_page(lruvec, page, sc)) {
+				list_add(&page->lru, list);
+				isolated += delta;
+			} else {
+				list_move(&page->lru, &moved);
+				skipped += delta;
+			}
+
+			if (!--remaining || max(isolated, skipped) >= MIN_LRU_BATCH)
+				break;
+		}
+
+		if (skipped) {
+			list_splice(&moved, head);
+			__count_zid_vm_events(PGSCAN_SKIP, zone, skipped);
+		}
+
+		if (!remaining || isolated >= MIN_LRU_BATCH)
+			break;
+	}
+
+	item = current_is_kswapd() ? PGSCAN_KSWAPD : PGSCAN_DIRECT;
+	if (!cgroup_reclaim(sc)) {
+		__count_vm_events(item, isolated);
+		__count_vm_events(PGREFILL, sorted);
+	}
+	__count_memcg_events(memcg, item, isolated);
+	__count_memcg_events(memcg, PGREFILL, sorted);
+	__count_vm_events(PGSCAN_ANON + type, isolated);
+
+	/*
+	 * There might not be eligible pages due to reclaim_idx, may_unmap and
+	 * may_writepage. Check the remaining to prevent livelock if it's not
+	 * making progress.
+	 */
+	return isolated || !remaining ? scanned : 0;
+}
+
+static int get_tier_idx(struct lruvec *lruvec, int type)
+{
+	int tier;
+	struct ctrl_pos sp, pv;
+
+	/*
+	 * To leave a margin for fluctuations, use a larger gain factor (1:2).
+	 * This value is chosen because any other tier would have at least twice
+	 * as many refaults as the first tier.
+	 */
+	read_ctrl_pos(lruvec, type, 0, 1, &sp);
+	for (tier = 1; tier < MAX_NR_TIERS; tier++) {
+		read_ctrl_pos(lruvec, type, tier, 2, &pv);
+		if (!positive_ctrl_err(&sp, &pv))
+			break;
+	}
+
+	return tier - 1;
+}
+
+static int get_type_to_scan(struct lruvec *lruvec, int swappiness, int *tier_idx)
+{
+	int type, tier;
+	struct ctrl_pos sp, pv;
+	int gain[ANON_AND_FILE] = { swappiness, 200 - swappiness };
+
+	/*
+	 * Compare the first tier of anon with that of file to determine which
+	 * type to scan. Also need to compare other tiers of the selected type
+	 * with the first tier of the other type to determine the last tier (of
+	 * the selected type) to evict.
+	 */
+	read_ctrl_pos(lruvec, LRU_GEN_ANON, 0, gain[LRU_GEN_ANON], &sp);
+	read_ctrl_pos(lruvec, LRU_GEN_FILE, 0, gain[LRU_GEN_FILE], &pv);
+	type = positive_ctrl_err(&sp, &pv);
+
+	read_ctrl_pos(lruvec, !type, 0, gain[!type], &sp);
+	for (tier = 1; tier < MAX_NR_TIERS; tier++) {
+		read_ctrl_pos(lruvec, type, tier, gain[type], &pv);
+		if (!positive_ctrl_err(&sp, &pv))
+			break;
+	}
+
+	*tier_idx = tier - 1;
+
+	return type;
+}
+
+static int isolate_pages(struct lruvec *lruvec, struct scan_control *sc, int swappiness,
+			 int *type_scanned, struct list_head *list)
+{
+	int i;
+	int type;
+	int scanned;
+	int tier = -1;
+	DEFINE_MIN_SEQ(lruvec);
+
+	/*
+	 * Try to make the obvious choice first. When anon and file are both
+	 * available from the same generation, interpret swappiness 1 as file
+	 * first and 200 as anon first.
+	 */
+	if (!swappiness)
+		type = LRU_GEN_FILE;
+	else if (min_seq[LRU_GEN_ANON] < min_seq[LRU_GEN_FILE])
+		type = LRU_GEN_ANON;
+	else if (swappiness == 1)
+		type = LRU_GEN_FILE;
+	else if (swappiness == 200)
+		type = LRU_GEN_ANON;
+	else
+		type = get_type_to_scan(lruvec, swappiness, &tier);
+
+	for (i = !swappiness; i < ANON_AND_FILE; i++) {
+		if (tier < 0)
+			tier = get_tier_idx(lruvec, type);
+
+		scanned = scan_pages(lruvec, sc, type, tier, list);
+		if (scanned)
+			break;
+
+		type = !type;
+		tier = -1;
+	}
+
+	*type_scanned = type;
+
+	return scanned;
+}
+
+static int evict_pages(struct lruvec *lruvec, struct scan_control *sc, int swappiness,
+		       bool *need_swapping)
+{
+	int type;
+	int scanned;
+	int reclaimed;
+	LIST_HEAD(list);
+	LIST_HEAD(clean);
+	struct page *page;
+	struct page *next;
+	enum vm_event_item item;
+	struct reclaim_stat stat;
+	struct lru_gen_mm_walk *walk;
+	bool skip_retry = false;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+	struct pglist_data *pgdat = lruvec_pgdat(lruvec);
+
+	spin_lock_irq(&pgdat->lru_lock);
+
+	scanned = isolate_pages(lruvec, sc, swappiness, &type, &list);
+
+	scanned += try_to_inc_min_seq(lruvec, swappiness);
+
+	if (get_nr_gens(lruvec, !swappiness) == MIN_NR_GENS)
+		scanned = 0;
+
+	spin_unlock_irq(&pgdat->lru_lock);
+
+	if (list_empty(&list))
+		return scanned;
+retry:
+	reclaimed = shrink_page_list(&list, pgdat, sc, &stat, false);
+	sc->nr_reclaimed += reclaimed;
+
+	list_for_each_entry_safe_reverse(page, next, &list, lru) {
+		if (!page_evictable(page)) {
+			list_del(&page->lru);
+			putback_lru_page(page);
+			continue;
+		}
+
+		if (PageReclaim(page) &&
+		    (PageDirty(page) || PageWriteback(page))) {
+			/* restore LRU_REFS_FLAGS cleared by isolate_page() */
+			if (PageWorkingset(page))
+				SetPageReferenced(page);
+			continue;
+		}
+
+		if (skip_retry || PageActive(page) || PageReferenced(page) ||
+		    page_mapped(page) || PageLocked(page) ||
+		    PageDirty(page) || PageWriteback(page)) {
+			/* don't add rejected pages to the oldest generation */
+			set_mask_bits(&page->flags, LRU_REFS_MASK | LRU_REFS_FLAGS,
+				      BIT(PG_active));
+			continue;
+		}
+
+		/* retry pages that may have missed rotate_reclaimable_page() */
+		list_move(&page->lru, &clean);
+		sc->nr_scanned -= thp_nr_pages(page);
+	}
+
+	spin_lock_irq(&pgdat->lru_lock);
+
+	move_pages_to_lru(lruvec, &list);
+
+	walk = current->reclaim_state->mm_walk;
+	if (walk && walk->batched)
+		reset_batch_size(lruvec, walk);
+
+	item = current_is_kswapd() ? PGSTEAL_KSWAPD : PGSTEAL_DIRECT;
+	if (!cgroup_reclaim(sc))
+		__count_vm_events(item, reclaimed);
+	__count_memcg_events(memcg, item, reclaimed);
+	__count_vm_events(PGSTEAL_ANON + type, reclaimed);
+
+	spin_unlock_irq(&pgdat->lru_lock);
+
+	mem_cgroup_uncharge_list(&list);
+	free_unref_page_list(&list);
+
+	INIT_LIST_HEAD(&list);
+	list_splice_init(&clean, &list);
+
+	if (!list_empty(&list)) {
+		skip_retry = true;
+		goto retry;
+	}
+
+	if (need_swapping && type == LRU_GEN_ANON)
+		*need_swapping = true;
+
+	return scanned;
+}
+
+/*
+ * For future optimizations:
+ * 1. Defer try_to_inc_max_seq() to workqueues to reduce latency for memcg
+ *    reclaim.
+ */
+static unsigned long get_nr_to_scan(struct lruvec *lruvec, struct scan_control *sc,
+				    bool can_swap, bool *need_aging)
+{
+	unsigned long nr_to_scan;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+	DEFINE_MAX_SEQ(lruvec);
+	DEFINE_MIN_SEQ(lruvec);
+
+	if (mem_cgroup_below_min(memcg) ||
+	    (mem_cgroup_below_low(memcg) && !sc->memcg_low_reclaim))
+		return 0;
+
+	*need_aging = should_run_aging(lruvec, max_seq, min_seq, sc, can_swap, &nr_to_scan);
+	if (!*need_aging)
+		return nr_to_scan;
+
+	/* skip the aging path at the default priority */
+	if (sc->priority == DEF_PRIORITY)
+		goto done;
+
+	/* leave the work to lru_gen_age_node() */
+	if (current_is_kswapd())
+		return 0;
+
+	if (try_to_inc_max_seq(lruvec, max_seq, sc, can_swap, false))
+		return nr_to_scan;
+done:
+	return min_seq[!can_swap] + MIN_NR_GENS <= max_seq ? nr_to_scan : 0;
+}
+
+static bool should_abort_scan(struct lruvec *lruvec, unsigned long seq,
+			      struct scan_control *sc, bool need_swapping)
+{
+	int i;
+	DEFINE_MAX_SEQ(lruvec);
+
+	if (!current_is_kswapd()) {
+		/* age each memcg at most once to ensure fairness */
+		if (max_seq - seq > 1)
+			return true;
+
+		/* over-swapping can increase allocation latency */
+		if (sc->nr_reclaimed >= sc->nr_to_reclaim && need_swapping)
+			return true;
+
+		/* give this thread a chance to exit and free its memory */
+		if (fatal_signal_pending(current)) {
+			sc->nr_reclaimed += MIN_LRU_BATCH;
+			return true;
+		}
+
+		if (cgroup_reclaim(sc))
+			return false;
+	} else if (sc->nr_reclaimed - sc->last_reclaimed < sc->nr_to_reclaim)
+		return false;
+
+	/* keep scanning at low priorities to ensure fairness */
+	if (sc->priority > DEF_PRIORITY - 2)
+		return false;
+
+	/*
+	 * A minimum amount of work was done under global memory pressure. For
+	 * kswapd, it may be overshooting. For direct reclaim, the allocation
+	 * may succeed if all suitable zones are somewhat safe. In either case,
+	 * it's better to stop now, and restart later if necessary.
+	 */
+	for (i = 0; i <= sc->reclaim_idx; i++) {
+		unsigned long wmark;
+		struct zone *zone = lruvec_pgdat(lruvec)->node_zones + i;
+
+		if (!managed_zone(zone))
+			continue;
+
+		wmark = current_is_kswapd() ? high_wmark_pages(zone) : low_wmark_pages(zone);
+		if (wmark > zone_page_state(zone, NR_FREE_PAGES))
+			return false;
+	}
+
+	sc->nr_reclaimed += MIN_LRU_BATCH;
+
+	return true;
+}
+
+static void lru_gen_shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)
+{
+	struct blk_plug plug;
+	bool need_aging = false;
+	bool need_swapping = false;
+	unsigned long scanned = 0;
+	unsigned long reclaimed = sc->nr_reclaimed;
+	DEFINE_MAX_SEQ(lruvec);
+
+	lru_add_drain();
+
+	blk_start_plug(&plug);
+
+	set_mm_walk(lruvec_pgdat(lruvec));
+
+	while (true) {
+		int delta;
+		int swappiness;
+		unsigned long nr_to_scan;
+
+		if (sc->may_swap)
+			swappiness = get_swappiness(lruvec, sc);
+		else if (!cgroup_reclaim(sc) && get_swappiness(lruvec, sc))
+			swappiness = 1;
+		else
+			swappiness = 0;
+
+		nr_to_scan = get_nr_to_scan(lruvec, sc, swappiness, &need_aging);
+		if (!nr_to_scan)
+			goto done;
+
+		delta = evict_pages(lruvec, sc, swappiness, &need_swapping);
+		if (!delta)
+			goto done;
+
+		scanned += delta;
+		if (scanned >= nr_to_scan)
+			break;
+
+		if (should_abort_scan(lruvec, max_seq, sc, need_swapping))
+			break;
+
+		cond_resched();
+	}
+
+	/* see the comment in lru_gen_age_node() */
+	if (sc->nr_reclaimed - reclaimed >= MIN_LRU_BATCH && !need_aging)
+		sc->memcgs_need_aging = false;
+done:
+	clear_mm_walk();
+
+	blk_finish_plug(&plug);
+}
+
+/******************************************************************************
+ *                          state change
+ ******************************************************************************/
+
+static bool __maybe_unused state_is_valid(struct lruvec *lruvec)
+{
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	if (lrugen->enabled) {
+		enum lru_list lru;
+
+		for_each_evictable_lru(lru) {
+			if (!list_empty(&lruvec->lists[lru]))
+				return false;
+		}
+	} else {
+		int gen, type, zone;
+
+		for_each_gen_type_zone(gen, type, zone) {
+			if (!list_empty(&lrugen->lists[gen][type][zone]))
+				return false;
+		}
+	}
+
+	return true;
+}
+
+static bool fill_evictable(struct lruvec *lruvec)
+{
+	enum lru_list lru;
+	int remaining = MAX_LRU_BATCH;
+
+	for_each_evictable_lru(lru) {
+		int type = is_file_lru(lru);
+		bool active = is_active_lru(lru);
+		struct list_head *head = &lruvec->lists[lru];
+
+		while (!list_empty(head)) {
+			bool success;
+			struct page *page = lru_to_page(head);
+
+			VM_WARN_ON_ONCE_PAGE(PageUnevictable(page), page);
+			VM_WARN_ON_ONCE_PAGE(PageActive(page) != active, page);
+			VM_WARN_ON_ONCE_PAGE(page_is_file_lru(page) != type, page);
+			VM_WARN_ON_ONCE_PAGE(page_lru_gen(page) != -1, page);
+
+			del_page_from_lru_list(page, lruvec);
+			success = lru_gen_add_page(lruvec, page, false);
+			VM_WARN_ON_ONCE(!success);
+
+			if (!--remaining)
+				return false;
+		}
+	}
+
+	return true;
+}
+
+static bool drain_evictable(struct lruvec *lruvec)
+{
+	int gen, type, zone;
+	int remaining = MAX_LRU_BATCH;
+
+	for_each_gen_type_zone(gen, type, zone) {
+		struct list_head *head = &lruvec->lrugen.lists[gen][type][zone];
+
+		while (!list_empty(head)) {
+			bool success;
+			struct page *page = lru_to_page(head);
+
+			VM_WARN_ON_ONCE_PAGE(PageUnevictable(page), page);
+			VM_WARN_ON_ONCE_PAGE(PageActive(page), page);
+			VM_WARN_ON_ONCE_PAGE(page_is_file_lru(page) != type, page);
+			VM_WARN_ON_ONCE_PAGE(page_zonenum(page) != zone, page);
+
+			success = lru_gen_del_page(lruvec, page, false);
+			VM_WARN_ON_ONCE(!success);
+			add_page_to_lru_list(page, lruvec);
+
+			if (!--remaining)
+				return false;
+		}
+	}
+
+	return true;
+}
+
+static void lru_gen_change_state(bool enabled)
+{
+	static DEFINE_MUTEX(state_mutex);
+
+	struct mem_cgroup *memcg;
+
+	cgroup_lock();
+	cpus_read_lock();
+	get_online_mems();
+	mutex_lock(&state_mutex);
+
+	if (enabled == lru_gen_enabled())
+		goto unlock;
+
+	if (enabled)
+		static_branch_enable_cpuslocked(&lru_gen_caps[LRU_GEN_CORE]);
+	else
+		static_branch_disable_cpuslocked(&lru_gen_caps[LRU_GEN_CORE]);
+
+	memcg = mem_cgroup_iter(NULL, NULL, NULL);
+	do {
+		int nid;
+
+		for_each_node(nid) {
+			struct pglist_data *pgdat = NODE_DATA(nid);
+			struct lruvec *lruvec = get_lruvec(memcg, nid);
+
+			if (!lruvec)
+				continue;
+
+			spin_lock_irq(&pgdat->lru_lock);
+
+			VM_WARN_ON_ONCE(!seq_is_valid(lruvec));
+			VM_WARN_ON_ONCE(!state_is_valid(lruvec));
+
+			lruvec->lrugen.enabled = enabled;
+
+			while (!(enabled ? fill_evictable(lruvec) : drain_evictable(lruvec))) {
+				spin_unlock_irq(&pgdat->lru_lock);
+				cond_resched();
+				spin_lock_irq(&pgdat->lru_lock);
+			}
+
+			spin_unlock_irq(&pgdat->lru_lock);
+		}
+
+		cond_resched();
+	} while ((memcg = mem_cgroup_iter(NULL, memcg, NULL)));
+unlock:
+	mutex_unlock(&state_mutex);
+	put_online_mems();
+	cpus_read_unlock();
+	cgroup_unlock();
+}
+
+/******************************************************************************
+ *                          sysfs interface
+ ******************************************************************************/
+
+static ssize_t show_min_ttl(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
+{
+	return sprintf(buf, "%u\n", jiffies_to_msecs(READ_ONCE(lru_gen_min_ttl)));
+}
+
+/* see Documentation/admin-guide/mm/multigen_lru.rst for details */
+static ssize_t store_min_ttl(struct kobject *kobj, struct kobj_attribute *attr,
+			     const char *buf, size_t len)
+{
+	unsigned int msecs;
+
+	if (kstrtouint(buf, 0, &msecs))
+		return -EINVAL;
+
+	WRITE_ONCE(lru_gen_min_ttl, msecs_to_jiffies(msecs));
+
+	return len;
+}
+
+static struct kobj_attribute lru_gen_min_ttl_attr = __ATTR(
+	min_ttl_ms, 0644, show_min_ttl, store_min_ttl
+);
+
+static ssize_t show_enabled(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
+{
+	unsigned int caps = 0;
+
+	if (get_cap(LRU_GEN_CORE))
+		caps |= BIT(LRU_GEN_CORE);
+
+	if (arch_has_hw_pte_young() && get_cap(LRU_GEN_MM_WALK))
+		caps |= BIT(LRU_GEN_MM_WALK);
+
+	if (IS_ENABLED(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG) && get_cap(LRU_GEN_NONLEAF_YOUNG))
+		caps |= BIT(LRU_GEN_NONLEAF_YOUNG);
+
+	return snprintf(buf, PAGE_SIZE, "0x%04x\n", caps);
+}
+
+/* see Documentation/admin-guide/mm/multigen_lru.rst for details */
+static ssize_t store_enabled(struct kobject *kobj, struct kobj_attribute *attr,
+			     const char *buf, size_t len)
+{
+	int i;
+	unsigned int caps;
+
+	if (tolower(*buf) == 'n')
+		caps = 0;
+	else if (tolower(*buf) == 'y')
+		caps = -1;
+	else if (kstrtouint(buf, 0, &caps))
+		return -EINVAL;
+
+	for (i = 0; i < NR_LRU_GEN_CAPS; i++) {
+		bool enabled = caps & BIT(i);
+
+		if (i == LRU_GEN_CORE)
+			lru_gen_change_state(enabled);
+		else if (enabled)
+			static_branch_enable(&lru_gen_caps[i]);
+		else
+			static_branch_disable(&lru_gen_caps[i]);
+	}
+
+	return len;
+}
+
+static struct kobj_attribute lru_gen_enabled_attr = __ATTR(
+	enabled, 0644, show_enabled, store_enabled
+);
+
+static struct attribute *lru_gen_attrs[] = {
+	&lru_gen_min_ttl_attr.attr,
+	&lru_gen_enabled_attr.attr,
+	NULL
+};
+
+static struct attribute_group lru_gen_attr_group = {
+	.name = "lru_gen",
+	.attrs = lru_gen_attrs,
+};
+
+/******************************************************************************
+ *                          debugfs interface
+ ******************************************************************************/
+
+static void *lru_gen_seq_start(struct seq_file *m, loff_t *pos)
+{
+	struct mem_cgroup *memcg;
+	loff_t nr_to_skip = *pos;
+
+	m->private = kvmalloc(PATH_MAX, GFP_KERNEL);
+	if (!m->private)
+		return ERR_PTR(-ENOMEM);
+
+	memcg = mem_cgroup_iter(NULL, NULL, NULL);
+	do {
+		int nid;
+
+		for_each_node_state(nid, N_MEMORY) {
+			if (!nr_to_skip--)
+				return get_lruvec(memcg, nid);
+		}
+	} while ((memcg = mem_cgroup_iter(NULL, memcg, NULL)));
+
+	return NULL;
+}
+
+static void lru_gen_seq_stop(struct seq_file *m, void *v)
+{
+	if (!IS_ERR_OR_NULL(v))
+		mem_cgroup_iter_break(NULL, lruvec_memcg(v));
+
+	kvfree(m->private);
+	m->private = NULL;
+}
+
+static void *lru_gen_seq_next(struct seq_file *m, void *v, loff_t *pos)
+{
+	int nid = lruvec_pgdat(v)->node_id;
+	struct mem_cgroup *memcg = lruvec_memcg(v);
+
+	++*pos;
+
+	nid = next_memory_node(nid);
+	if (nid == MAX_NUMNODES) {
+		memcg = mem_cgroup_iter(NULL, memcg, NULL);
+		if (!memcg)
+			return NULL;
+
+		nid = first_memory_node;
+	}
+
+	return get_lruvec(memcg, nid);
+}
+
+static void lru_gen_seq_show_full(struct seq_file *m, struct lruvec *lruvec,
+				  unsigned long max_seq, unsigned long *min_seq,
+				  unsigned long seq)
+{
+	int i;
+	int type, tier;
+	int hist = lru_hist_from_seq(seq);
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	for (tier = 0; tier < MAX_NR_TIERS; tier++) {
+		seq_printf(m, "            %10d", tier);
+		for (type = 0; type < ANON_AND_FILE; type++) {
+			const char *s = "   ";
+			unsigned long n[3] = {};
+
+			if (seq == max_seq) {
+				s = "RT ";
+				n[0] = READ_ONCE(lrugen->avg_refaulted[type][tier]);
+				n[1] = READ_ONCE(lrugen->avg_total[type][tier]);
+			} else if (seq == min_seq[type] || NR_HIST_GENS > 1) {
+				s = "rep";
+				n[0] = atomic_long_read(&lrugen->refaulted[hist][type][tier]);
+				n[1] = atomic_long_read(&lrugen->evicted[hist][type][tier]);
+				if (tier)
+					n[2] = READ_ONCE(lrugen->protected[hist][type][tier - 1]);
+			}
+
+			for (i = 0; i < 3; i++)
+				seq_printf(m, " %10lu%c", n[i], s[i]);
+		}
+		seq_putc(m, '\n');
+	}
+
+	seq_puts(m, "                      ");
+	for (i = 0; i < NR_MM_STATS; i++) {
+		const char *s = "      ";
+		unsigned long n = 0;
+
+		if (seq == max_seq && NR_HIST_GENS == 1) {
+			s = "LOYNFA";
+			n = READ_ONCE(lruvec->mm_state.stats[hist][i]);
+		} else if (seq != max_seq && NR_HIST_GENS > 1) {
+			s = "loynfa";
+			n = READ_ONCE(lruvec->mm_state.stats[hist][i]);
+		}
+
+		seq_printf(m, " %10lu%c", n, s[i]);
+	}
+	seq_putc(m, '\n');
+}
+
+/* see Documentation/admin-guide/mm/multigen_lru.rst for details */
+static int lru_gen_seq_show(struct seq_file *m, void *v)
+{
+	unsigned long seq;
+	bool full = !debugfs_real_fops(m->file)->write;
+	struct lruvec *lruvec = v;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+	int nid = lruvec_pgdat(lruvec)->node_id;
+	struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+	DEFINE_MAX_SEQ(lruvec);
+	DEFINE_MIN_SEQ(lruvec);
+
+	if (nid == first_memory_node) {
+		const char *path = memcg ? m->private : "";
+
+#ifdef CONFIG_MEMCG
+		if (memcg)
+			cgroup_path(memcg->css.cgroup, m->private, PATH_MAX);
+#endif
+		seq_printf(m, "memcg %5hu %s\n", mem_cgroup_id(memcg), path);
+	}
+
+	seq_printf(m, " node %5d\n", nid);
+
+	if (!full)
+		seq = min_seq[LRU_GEN_ANON];
+	else if (max_seq >= MAX_NR_GENS)
+		seq = max_seq - MAX_NR_GENS + 1;
+	else
+		seq = 0;
+
+	for (; seq <= max_seq; seq++) {
+		int type, zone;
+		int gen = lru_gen_from_seq(seq);
+		unsigned long birth = READ_ONCE(lruvec->lrugen.timestamps[gen]);
+
+		seq_printf(m, " %10lu %10u", seq, jiffies_to_msecs(jiffies - birth));
+
+		for (type = 0; type < ANON_AND_FILE; type++) {
+			unsigned long size = 0;
+			char mark = full && seq < min_seq[type] ? 'x' : ' ';
+
+			for (zone = 0; zone < MAX_NR_ZONES; zone++)
+				size += max_t(long, READ_ONCE(lrugen->nr_pages[gen][type][zone]),
+						0);
+
+			seq_printf(m, " %10lu%c", size, mark);
+		}
+
+		seq_putc(m, '\n');
+
+		if (full)
+			lru_gen_seq_show_full(m, lruvec, max_seq, min_seq, seq);
+	}
+
+	return 0;
+}
+
+static const struct seq_operations lru_gen_seq_ops = {
+	.start = lru_gen_seq_start,
+	.stop = lru_gen_seq_stop,
+	.next = lru_gen_seq_next,
+	.show = lru_gen_seq_show,
+};
+
+static int run_aging(struct lruvec *lruvec, unsigned long seq, struct scan_control *sc,
+		     bool can_swap, bool full_scan)
+{
+	DEFINE_MAX_SEQ(lruvec);
+	DEFINE_MIN_SEQ(lruvec);
+
+	if (seq < max_seq)
+		return 0;
+
+	if (seq > max_seq)
+		return -EINVAL;
+
+	if (!full_scan && min_seq[!can_swap] + MAX_NR_GENS - 1 <= max_seq)
+		return -ERANGE;
+
+	try_to_inc_max_seq(lruvec, max_seq, sc, can_swap, full_scan);
+
+	return 0;
+}
+
+static int run_eviction(struct lruvec *lruvec, unsigned long seq, struct scan_control *sc,
+			int swappiness, unsigned long nr_to_reclaim)
+{
+	DEFINE_MAX_SEQ(lruvec);
+
+	if (seq + MIN_NR_GENS > max_seq)
+		return -EINVAL;
+
+	sc->nr_reclaimed = 0;
+
+	while (!signal_pending(current)) {
+		DEFINE_MIN_SEQ(lruvec);
+
+		if (seq < min_seq[!swappiness])
+			return 0;
+
+		if (sc->nr_reclaimed >= nr_to_reclaim)
+			return 0;
+
+		if (!evict_pages(lruvec, sc, swappiness, NULL))
+			return 0;
+
+		cond_resched();
+	}
+
+	return -EINTR;
+}
+
+static int run_cmd(char cmd, int memcg_id, int nid, unsigned long seq,
+		   struct scan_control *sc, int swappiness, unsigned long opt)
+{
+	struct lruvec *lruvec;
+	int err = -EINVAL;
+	struct mem_cgroup *memcg = NULL;
+
+	if (nid < 0 || nid >= MAX_NUMNODES || !node_state(nid, N_MEMORY))
+		return -EINVAL;
+
+	if (!mem_cgroup_disabled()) {
+		rcu_read_lock();
+		memcg = mem_cgroup_from_id(memcg_id);
+#ifdef CONFIG_MEMCG
+		if (memcg && !css_tryget(&memcg->css))
+			memcg = NULL;
+#endif
+		rcu_read_unlock();
+
+		if (!memcg)
+			return -EINVAL;
+	}
+
+	if (memcg_id != mem_cgroup_id(memcg))
+		goto done;
+
+	lruvec = get_lruvec(memcg, nid);
+
+	if (swappiness < 0)
+		swappiness = get_swappiness(lruvec, sc);
+	else if (swappiness > 200)
+		goto done;
+
+	switch (cmd) {
+	case '+':
+		err = run_aging(lruvec, seq, sc, swappiness, opt);
+		break;
+	case '-':
+		err = run_eviction(lruvec, seq, sc, swappiness, opt);
+		break;
+	}
+done:
+	mem_cgroup_put(memcg);
+
+	return err;
+}
+
+/* see Documentation/admin-guide/mm/multigen_lru.rst for details */
+static ssize_t lru_gen_seq_write(struct file *file, const char __user *src,
+				 size_t len, loff_t *pos)
+{
+	void *buf;
+	char *cur, *next;
+	unsigned int flags;
+	struct blk_plug plug;
+	int err = -EINVAL;
+	struct scan_control sc = {
+		.may_writepage = true,
+		.may_unmap = true,
+		.may_swap = true,
+		.reclaim_idx = MAX_NR_ZONES - 1,
+		.gfp_mask = GFP_KERNEL,
+	};
+
+	buf = kvmalloc(len + 1, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	if (copy_from_user(buf, src, len)) {
+		kvfree(buf);
+		return -EFAULT;
+	}
+
+	set_task_reclaim_state(current, &sc.reclaim_state);
+	flags = memalloc_noreclaim_save();
+	blk_start_plug(&plug);
+	if (!set_mm_walk(NULL)) {
+		err = -ENOMEM;
+		goto done;
+	}
+
+	next = buf;
+	next[len] = '\0';
+
+	while ((cur = strsep(&next, ",;\n"))) {
+		int n;
+		int end;
+		char cmd;
+		unsigned int memcg_id;
+		unsigned int nid;
+		unsigned long seq;
+		unsigned int swappiness = -1;
+		unsigned long opt = -1;
+
+		cur = skip_spaces(cur);
+		if (!*cur)
+			continue;
+
+		n = sscanf(cur, "%c %u %u %lu %n %u %n %lu %n", &cmd, &memcg_id, &nid,
+			   &seq, &end, &swappiness, &end, &opt, &end);
+		if (n < 4 || cur[end]) {
+			err = -EINVAL;
+			break;
+		}
+
+		err = run_cmd(cmd, memcg_id, nid, seq, &sc, swappiness, opt);
+		if (err)
+			break;
+	}
+done:
+	clear_mm_walk();
+	blk_finish_plug(&plug);
+	memalloc_noreclaim_restore(flags);
+	set_task_reclaim_state(current, NULL);
+
+	kvfree(buf);
+
+	return err ? : len;
+}
+
+static int lru_gen_seq_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &lru_gen_seq_ops);
+}
+
+static const struct file_operations lru_gen_rw_fops = {
+	.open = lru_gen_seq_open,
+	.read = seq_read,
+	.write = lru_gen_seq_write,
+	.llseek = seq_lseek,
+	.release = seq_release,
+};
+
+static const struct file_operations lru_gen_ro_fops = {
+	.open = lru_gen_seq_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = seq_release,
+};
+
+/******************************************************************************
+ *                          initialization
+ ******************************************************************************/
+
+void lru_gen_init_lruvec(struct lruvec *lruvec)
+{
+	int i;
+	int gen, type, zone;
+	struct lru_gen_struct *lrugen = &lruvec->lrugen;
+
+	lrugen->max_seq = MIN_NR_GENS + 1;
+	lrugen->enabled = lru_gen_enabled();
+
+	for (i = 0; i <= MIN_NR_GENS + 1; i++)
+		lrugen->timestamps[i] = jiffies;
+
+	for_each_gen_type_zone(gen, type, zone)
+		INIT_LIST_HEAD(&lrugen->lists[gen][type][zone]);
+
+	lruvec->mm_state.seq = MIN_NR_GENS;
+}
+
+#ifdef CONFIG_MEMCG
+void lru_gen_init_memcg(struct mem_cgroup *memcg)
+{
+	INIT_LIST_HEAD(&memcg->mm_list.fifo);
+	spin_lock_init(&memcg->mm_list.lock);
+}
+
+void lru_gen_exit_memcg(struct mem_cgroup *memcg)
+{
+	int i;
+	int nid;
+
+	for_each_node(nid) {
+		struct lruvec *lruvec = get_lruvec(memcg, nid);
+
+		VM_WARN_ON_ONCE(memchr_inv(lruvec->lrugen.nr_pages, 0,
+					   sizeof(lruvec->lrugen.nr_pages)));
+
+		for (i = 0; i < NR_BLOOM_FILTERS; i++) {
+			bitmap_free(lruvec->mm_state.filters[i]);
+			lruvec->mm_state.filters[i] = NULL;
+		}
+	}
+}
+#endif
+
+static int __init init_lru_gen(void)
+{
+	BUILD_BUG_ON(MIN_NR_GENS + 1 >= MAX_NR_GENS);
+	BUILD_BUG_ON(BIT(LRU_GEN_WIDTH) <= MAX_NR_GENS);
+
+	if (sysfs_create_group(mm_kobj, &lru_gen_attr_group))
+		pr_err("lru_gen: failed to create sysfs group\n");
+
+	debugfs_create_file("lru_gen", 0644, NULL, NULL, &lru_gen_rw_fops);
+	debugfs_create_file("lru_gen_full", 0444, NULL, NULL, &lru_gen_ro_fops);
+
+	return 0;
+};
+late_initcall(init_lru_gen);
+
+#else /* !CONFIG_LRU_GEN */
+
+static void lru_gen_age_node(struct pglist_data *pgdat, struct scan_control *sc)
+{
+}
+
+static void lru_gen_shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)
+{
+}
+
+#endif /* CONFIG_LRU_GEN */
+
 static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)
 {
 	unsigned long nr[NR_LRU_LISTS];
@@ -2441,6 +5424,12 @@
 	unsigned long nr_to_reclaim = sc->nr_to_reclaim;
 	bool proportional_reclaim;
 	struct blk_plug plug;
+	bool do_plug = true;
+
+	if (lru_gen_enabled()) {
+		lru_gen_shrink_lruvec(lruvec, sc);
+		return;
+	}
 
 	get_scan_count(lruvec, sc, nr);
 
@@ -2461,7 +5450,9 @@
 	proportional_reclaim = (!cgroup_reclaim(sc) && !current_is_kswapd() &&
 				sc->priority == DEF_PRIORITY);
 
-	blk_start_plug(&plug);
+	trace_android_vh_shrink_lruvec_blk_plug(&do_plug);
+	if (do_plug)
+		blk_start_plug(&plug);
 	while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||
 					nr[LRU_INACTIVE_FILE]) {
 		unsigned long nr_anon, nr_file, percentage;
@@ -2531,7 +5522,8 @@
 		nr[lru] = targets[lru] * (100 - percentage) / 100;
 		nr[lru] -= min(nr[lru], nr_scanned);
 	}
-	blk_finish_plug(&plug);
+	if (do_plug)
+		blk_finish_plug(&plug);
 	sc->nr_reclaimed += nr_reclaimed;
 
 	/*
@@ -2677,7 +5669,6 @@
 	unsigned long nr_reclaimed, nr_scanned;
 	struct lruvec *target_lruvec;
 	bool reclaimable = false;
-	unsigned long file;
 
 	target_lruvec = mem_cgroup_lruvec(sc->target_mem_cgroup, pgdat);
 
@@ -2687,93 +5678,7 @@
 	nr_reclaimed = sc->nr_reclaimed;
 	nr_scanned = sc->nr_scanned;
 
-	/*
-	 * Determine the scan balance between anon and file LRUs.
-	 */
-	spin_lock_irq(&pgdat->lru_lock);
-	sc->anon_cost = target_lruvec->anon_cost;
-	sc->file_cost = target_lruvec->file_cost;
-	spin_unlock_irq(&pgdat->lru_lock);
-
-	/*
-	 * Target desirable inactive:active list ratios for the anon
-	 * and file LRU lists.
-	 */
-	if (!sc->force_deactivate) {
-		unsigned long refaults;
-
-		refaults = lruvec_page_state(target_lruvec,
-				WORKINGSET_ACTIVATE_ANON);
-		if (refaults != target_lruvec->refaults[0] ||
-			inactive_is_low(target_lruvec, LRU_INACTIVE_ANON))
-			sc->may_deactivate |= DEACTIVATE_ANON;
-		else
-			sc->may_deactivate &= ~DEACTIVATE_ANON;
-
-		/*
-		 * When refaults are being observed, it means a new
-		 * workingset is being established. Deactivate to get
-		 * rid of any stale active pages quickly.
-		 */
-		refaults = lruvec_page_state(target_lruvec,
-				WORKINGSET_ACTIVATE_FILE);
-		if (refaults != target_lruvec->refaults[1] ||
-		    inactive_is_low(target_lruvec, LRU_INACTIVE_FILE))
-			sc->may_deactivate |= DEACTIVATE_FILE;
-		else
-			sc->may_deactivate &= ~DEACTIVATE_FILE;
-	} else
-		sc->may_deactivate = DEACTIVATE_ANON | DEACTIVATE_FILE;
-
-	/*
-	 * If we have plenty of inactive file pages that aren't
-	 * thrashing, try to reclaim those first before touching
-	 * anonymous pages.
-	 */
-	file = lruvec_page_state(target_lruvec, NR_INACTIVE_FILE);
-	if (file >> sc->priority && !(sc->may_deactivate & DEACTIVATE_FILE))
-		sc->cache_trim_mode = 1;
-	else
-		sc->cache_trim_mode = 0;
-
-	/*
-	 * Prevent the reclaimer from falling into the cache trap: as
-	 * cache pages start out inactive, every cache fault will tip
-	 * the scan balance towards the file LRU.  And as the file LRU
-	 * shrinks, so does the window for rotation from references.
-	 * This means we have a runaway feedback loop where a tiny
-	 * thrashing file LRU becomes infinitely more attractive than
-	 * anon pages.  Try to detect this based on file LRU size.
-	 */
-	if (!cgroup_reclaim(sc)) {
-		unsigned long total_high_wmark = 0;
-		unsigned long free, anon;
-		int z;
-
-		free = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES);
-		file = node_page_state(pgdat, NR_ACTIVE_FILE) +
-			   node_page_state(pgdat, NR_INACTIVE_FILE);
-
-		for (z = 0; z < MAX_NR_ZONES; z++) {
-			struct zone *zone = &pgdat->node_zones[z];
-			if (!managed_zone(zone))
-				continue;
-
-			total_high_wmark += high_wmark_pages(zone);
-		}
-
-		/*
-		 * Consider anon: if that's low too, this isn't a
-		 * runaway file reclaim problem, but rather just
-		 * extreme pressure. Reclaim as per usual then.
-		 */
-		anon = node_page_state(pgdat, NR_INACTIVE_ANON);
-
-		sc->file_is_tiny =
-			file + free <= total_high_wmark &&
-			!(sc->may_deactivate & DEACTIVATE_ANON) &&
-			anon >> sc->priority;
-	}
+	prepare_scan_count(pgdat, sc);
 
 	shrink_node_memcgs(pgdat, sc);
 
@@ -2993,6 +5898,9 @@
 	struct lruvec *target_lruvec;
 	unsigned long refaults;
 
+	if (lru_gen_enabled())
+		return;
+
 	target_lruvec = mem_cgroup_lruvec(target_memcg, pgdat);
 	refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_ANON);
 	target_lruvec->refaults[0] = refaults;
@@ -3359,14 +6267,19 @@
 
 	return nr_reclaimed;
 }
+EXPORT_SYMBOL_GPL(try_to_free_mem_cgroup_pages);
 #endif
 
-static void age_active_anon(struct pglist_data *pgdat,
-				struct scan_control *sc)
+static void kswapd_age_node(struct pglist_data *pgdat, struct scan_control *sc)
 {
 	struct mem_cgroup *memcg;
 	struct lruvec *lruvec;
 
+	if (lru_gen_enabled()) {
+		lru_gen_age_node(pgdat, sc);
+		return;
+	}
+
 	if (!total_swap_pages)
 		return;
 
@@ -3650,12 +6563,11 @@
 		sc.may_swap = !nr_boost_reclaim;
 
 		/*
-		 * Do some background aging of the anon list, to give
-		 * pages a chance to be referenced before reclaiming. All
-		 * pages are rotated regardless of classzone as this is
-		 * about consistent aging.
+		 * Do some background aging, to give pages a chance to be
+		 * referenced before reclaiming. All pages are rotated
+		 * regardless of classzone as this is about consistent aging.
 		 */
-		age_active_anon(pgdat, &sc);
+		kswapd_age_node(pgdat, &sc);
 
 		/*
 		 * If we're getting trouble reclaiming, start doing writepage
@@ -3944,6 +6856,46 @@
 	return 0;
 }
 
+static int kswapd_per_node_run(int nid)
+{
+	pg_data_t *pgdat = NODE_DATA(nid);
+	int hid;
+	int ret = 0;
+
+	for (hid = 0; hid < kswapd_threads; ++hid) {
+		pgdat->mkswapd[hid] = kthread_run(kswapd, pgdat, "kswapd%d:%d",
+								nid, hid);
+		if (IS_ERR(pgdat->mkswapd[hid])) {
+			/* failure at boot is fatal */
+			WARN_ON(system_state < SYSTEM_RUNNING);
+			pr_err("Failed to start kswapd%d on node %d\n",
+				hid, nid);
+			ret = PTR_ERR(pgdat->mkswapd[hid]);
+			pgdat->mkswapd[hid] = NULL;
+			continue;
+		}
+		if (!pgdat->kswapd)
+			pgdat->kswapd = pgdat->mkswapd[hid];
+	}
+
+	return ret;
+}
+
+static void kswapd_per_node_stop(int nid)
+{
+	int hid = 0;
+	struct task_struct *kswapd;
+
+	for (hid = 0; hid < kswapd_threads; hid++) {
+		kswapd = NODE_DATA(nid)->mkswapd[hid];
+		if (kswapd) {
+			kthread_stop(kswapd);
+			NODE_DATA(nid)->mkswapd[hid] = NULL;
+		}
+	}
+	NODE_DATA(nid)->kswapd = NULL;
+}
+
 /*
  * A zone is low on free memory or too fragmented for high-order memory.  If
  * kswapd should reclaim (direct reclaim is deferred), wake it up for the zone's
@@ -4047,6 +6999,9 @@
 	if (pgdat->kswapd)
 		return 0;
 
+	if (kswapd_threads > 1)
+		return kswapd_per_node_run(nid);
+
 	pgdat->kswapd = kthread_run(kswapd, pgdat, "kswapd%d", nid);
 	if (IS_ERR(pgdat->kswapd)) {
 		/* failure at boot is fatal */
@@ -4066,6 +7021,11 @@
 {
 	struct task_struct *kswapd = NODE_DATA(nid)->kswapd;
 
+	if (kswapd_threads > 1) {
+		kswapd_per_node_stop(nid);
+		return;
+	}
+
 	if (kswapd) {
 		kthread_stop(kswapd);
 		NODE_DATA(nid)->kswapd = NULL;
@@ -4303,12 +7263,9 @@
 			continue;
 
 		if (page_evictable(page)) {
-			enum lru_list lru = page_lru_base_type(page);
-
-			VM_BUG_ON_PAGE(PageActive(page), page);
+			del_page_from_lru_list(page, lruvec);
 			ClearPageUnevictable(page);
-			del_page_from_lru_list(page, lruvec, LRU_UNEVICTABLE);
-			add_page_to_lru_list(page, lruvec, lru);
+			add_page_to_lru_list(page, lruvec);
 			pgrescued += nr_pages;
 		}
 	}
diff --git a/mm/vmstat.c b/mm/vmstat.c
index e292e63..604a993 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1159,9 +1159,7 @@
 	"nr_mlock",
 	"nr_page_table_pages",
 	"nr_bounce",
-#if IS_ENABLED(CONFIG_ZSMALLOC)
 	"nr_zspages",
-#endif
 	"nr_free_cma",
 
 	/* enum numa_stat_item counters */
@@ -1298,6 +1296,10 @@
 	"htlb_buddy_alloc_success",
 	"htlb_buddy_alloc_fail",
 #endif
+#ifdef CONFIG_CMA
+	"cma_alloc_success",
+	"cma_alloc_fail",
+#endif
 	"unevictable_pgs_culled",
 	"unevictable_pgs_scanned",
 	"unevictable_pgs_rescued",
@@ -1350,6 +1352,10 @@
 	"swap_ra",
 	"swap_ra_hit",
 #endif
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+	"speculative_pgfault",
+	"speculative_pgfault_file"
+#endif
 #endif /* CONFIG_VM_EVENT_COUNTERS || CONFIG_MEMCG */
 };
 #endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA || CONFIG_MEMCG */
@@ -1630,14 +1636,16 @@
 		   "\n        high     %lu"
 		   "\n        spanned  %lu"
 		   "\n        present  %lu"
-		   "\n        managed  %lu",
+		   "\n        managed  %lu"
+		   "\n        cma      %lu",
 		   zone_page_state(zone, NR_FREE_PAGES),
 		   min_wmark_pages(zone),
 		   low_wmark_pages(zone),
 		   high_wmark_pages(zone),
 		   zone->spanned_pages,
 		   zone->present_pages,
-		   zone_managed_pages(zone));
+		   zone_managed_pages(zone),
+		   zone_cma_pages(zone));
 
 	seq_printf(m,
 		   "\n        protection: (%ld",
diff --git a/mm/workingset.c b/mm/workingset.c
index 975a4d2..c4a6bc0 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -185,7 +185,6 @@
 static void *pack_shadow(int memcgid, pg_data_t *pgdat, unsigned long eviction,
 			 bool workingset)
 {
-	eviction >>= bucket_order;
 	eviction &= EVICTION_MASK;
 	eviction = (eviction << MEM_CGROUP_ID_SHIFT) | memcgid;
 	eviction = (eviction << NODES_SHIFT) | pgdat->node_id;
@@ -210,10 +209,109 @@
 
 	*memcgidp = memcgid;
 	*pgdat = NODE_DATA(nid);
-	*evictionp = entry << bucket_order;
+	*evictionp = entry;
 	*workingsetp = workingset;
 }
 
+#ifdef CONFIG_LRU_GEN
+
+static void *lru_gen_eviction(struct page *page)
+{
+	int hist;
+	unsigned long token;
+	unsigned long min_seq;
+	struct lruvec *lruvec;
+	struct lru_gen_struct *lrugen;
+	int type = page_is_file_lru(page);
+	int delta = thp_nr_pages(page);
+	int refs = page_lru_refs(page);
+	int tier = lru_tier_from_refs(refs);
+	struct mem_cgroup *memcg = page_memcg(page);
+	struct pglist_data *pgdat = page_pgdat(page);
+
+	BUILD_BUG_ON(LRU_GEN_WIDTH + LRU_REFS_WIDTH > BITS_PER_LONG - EVICTION_SHIFT);
+
+	lruvec = mem_cgroup_lruvec(memcg, pgdat);
+	lrugen = &lruvec->lrugen;
+	min_seq = READ_ONCE(lrugen->min_seq[type]);
+	token = (min_seq << LRU_REFS_WIDTH) | max(refs - 1, 0);
+
+	hist = lru_hist_from_seq(min_seq);
+	atomic_long_add(delta, &lrugen->evicted[hist][type][tier]);
+
+	return pack_shadow(mem_cgroup_id(memcg), pgdat, token, refs);
+}
+
+static void lru_gen_refault(struct page *page, void *shadow)
+{
+	int hist, tier, refs;
+	int memcg_id;
+	bool workingset;
+	unsigned long token;
+	unsigned long min_seq;
+	struct lruvec *lruvec;
+	struct lru_gen_struct *lrugen;
+	struct mem_cgroup *memcg;
+	struct pglist_data *pgdat;
+	int type = page_is_file_lru(page);
+	int delta = thp_nr_pages(page);
+
+	unpack_shadow(shadow, &memcg_id, &pgdat, &token, &workingset);
+
+	if (pgdat != page_pgdat(page))
+		return;
+
+	rcu_read_lock();
+
+	memcg = page_memcg_rcu(page);
+	if (memcg_id != mem_cgroup_id(memcg))
+		goto unlock;
+
+	lruvec = mem_cgroup_lruvec(memcg, pgdat);
+	lrugen = &lruvec->lrugen;
+
+	mod_lruvec_state(lruvec, WORKINGSET_REFAULT_BASE + type, delta);
+
+	min_seq = READ_ONCE(lrugen->min_seq[type]);
+	if ((token >> LRU_REFS_WIDTH) != (min_seq & (EVICTION_MASK >> LRU_REFS_WIDTH)))
+		goto unlock;
+
+	hist = lru_hist_from_seq(min_seq);
+	/* see the comment in page_lru_refs() */
+	refs = (token & (BIT(LRU_REFS_WIDTH) - 1)) + workingset;
+	tier = lru_tier_from_refs(refs);
+
+	atomic_long_add(delta, &lrugen->refaulted[hist][type][tier]);
+	mod_lruvec_state(lruvec, WORKINGSET_ACTIVATE_BASE + type, delta);
+
+	/*
+	 * Count the following two cases as stalls:
+	 * 1. For pages accessed through page tables, hotter pages pushed out
+	 *    hot pages which refaulted immediately.
+	 * 2. For pages accessed multiple times through file descriptors,
+	 *    numbers of accesses might have been out of the range.
+	 */
+	if (lru_gen_in_fault() || refs == BIT(LRU_REFS_WIDTH)) {
+		SetPageWorkingset(page);
+		mod_lruvec_state(lruvec, WORKINGSET_RESTORE_BASE + type, delta);
+	}
+unlock:
+	rcu_read_unlock();
+}
+
+#else /* !CONFIG_LRU_GEN */
+
+static void *lru_gen_eviction(struct page *page)
+{
+	return NULL;
+}
+
+static void lru_gen_refault(struct page *page, void *shadow)
+{
+}
+
+#endif /* CONFIG_LRU_GEN */
+
 /**
  * workingset_age_nonresident - age non-resident entries as LRU ages
  * @lruvec: the lruvec that was aged
@@ -257,6 +355,9 @@
 	struct lruvec *lruvec;
 	int memcgid;
 
+	if (lru_gen_enabled())
+		return lru_gen_eviction(page);
+
 	/* Page is fully exclusive and pins page->mem_cgroup */
 	VM_BUG_ON_PAGE(PageLRU(page), page);
 	VM_BUG_ON_PAGE(page_count(page), page);
@@ -267,6 +368,7 @@
 	/* XXX: target_memcg can be NULL, go through lruvec */
 	memcgid = mem_cgroup_id(lruvec_memcg(lruvec));
 	eviction = atomic_long_read(&lruvec->nonresident_age);
+	eviction >>= bucket_order;
 	return pack_shadow(memcgid, pgdat, eviction, PageWorkingset(page));
 }
 
@@ -294,7 +396,13 @@
 	bool workingset;
 	int memcgid;
 
+	if (lru_gen_enabled()) {
+		lru_gen_refault(page, shadow);
+		return;
+	}
+
 	unpack_shadow(shadow, &memcgid, &pgdat, &eviction, &workingset);
+	eviction <<= bucket_order;
 
 	rcu_read_lock();
 	/*
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index c18dc8e..1b309c6 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -347,7 +347,7 @@
 static unsigned long cache_alloc_handle(struct zs_pool *pool, gfp_t gfp)
 {
 	return (unsigned long)kmem_cache_alloc(pool->handle_cachep,
-			gfp & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
+			gfp & ~(__GFP_HIGHMEM|__GFP_MOVABLE|__GFP_CMA));
 }
 
 static void cache_free_handle(struct zs_pool *pool, unsigned long handle)
@@ -358,7 +358,7 @@
 static struct zspage *cache_alloc_zspage(struct zs_pool *pool, gfp_t flags)
 {
 	return kmem_cache_alloc(pool->zspage_cachep,
-			flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
+			flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE|__GFP_CMA));
 }
 
 static void cache_free_zspage(struct zs_pool *pool, struct zspage *zspage)
diff --git a/net/9p/mod.c b/net/9p/mod.c
index 5126566..94cd2d1 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -189,4 +189,5 @@
 MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");
 MODULE_AUTHOR("Ron Minnich <rminnich@lanl.gov>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 MODULE_DESCRIPTION("Plan 9 Resource Sharing Support (9P2000)");
diff --git a/net/TEST_MAPPING b/net/TEST_MAPPING
new file mode 100644
index 0000000..1eb8d43
--- /dev/null
+++ b/net/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsNetTestCases",
+      "options": [
+        {
+          "exclude-annotation": "com.android.testutils.SkipPresubmit"
+        }
+      ]
+    }
+  ]
+}
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index e33fe4b1c..8ffcb56 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -742,14 +742,14 @@
 		}
 
 		if (hdev->commands[26] & 0x40) {
-			/* Read LE Accept List Size */
-			hci_req_add(req, HCI_OP_LE_READ_ACCEPT_LIST_SIZE,
+			/* Read LE White List Size */
+			hci_req_add(req, HCI_OP_LE_READ_WHITE_LIST_SIZE,
 				    0, NULL);
 		}
 
 		if (hdev->commands[26] & 0x80) {
-			/* Clear LE Accept List */
-			hci_req_add(req, HCI_OP_LE_CLEAR_ACCEPT_LIST, 0, NULL);
+			/* Clear LE White List */
+			hci_req_add(req, HCI_OP_LE_CLEAR_WHITE_LIST, 0, NULL);
 		}
 
 		if (hdev->commands[34] & 0x40) {
@@ -3549,13 +3549,13 @@
 		/* Suspend consists of two actions:
 		 *  - First, disconnect everything and make the controller not
 		 *    connectable (disabling scanning)
-		 *  - Second, program event filter/accept list and enable scan
+		 *  - Second, program event filter/whitelist and enable scan
 		 */
 		ret = hci_change_suspend_state(hdev, BT_SUSPEND_DISCONNECT);
 		if (!ret)
 			state = BT_SUSPEND_DISCONNECT;
 
-		/* Only configure accept list if disconnect succeeded and wake
+		/* Only configure whitelist if disconnect succeeded and wake
 		 * isn't being prevented.
 		 */
 		if (!ret && !(hdev->prevent_wake && hdev->prevent_wake(hdev))) {
@@ -3607,9 +3607,6 @@
 	hdev->cur_adv_instance = 0x00;
 	hdev->adv_instance_timeout = 0;
 
-	hdev->advmon_allowlist_duration = 300;
-	hdev->advmon_no_filter_duration = 500;
-
 	hdev->sniff_max_interval = 800;
 	hdev->sniff_min_interval = 80;
 
@@ -3658,14 +3655,14 @@
 	mutex_init(&hdev->req_lock);
 
 	INIT_LIST_HEAD(&hdev->mgmt_pending);
-	INIT_LIST_HEAD(&hdev->reject_list);
-	INIT_LIST_HEAD(&hdev->accept_list);
+	INIT_LIST_HEAD(&hdev->blacklist);
+	INIT_LIST_HEAD(&hdev->whitelist);
 	INIT_LIST_HEAD(&hdev->uuids);
 	INIT_LIST_HEAD(&hdev->link_keys);
 	INIT_LIST_HEAD(&hdev->long_term_keys);
 	INIT_LIST_HEAD(&hdev->identity_resolving_keys);
 	INIT_LIST_HEAD(&hdev->remote_oob_data);
-	INIT_LIST_HEAD(&hdev->le_accept_list);
+	INIT_LIST_HEAD(&hdev->le_white_list);
 	INIT_LIST_HEAD(&hdev->le_resolv_list);
 	INIT_LIST_HEAD(&hdev->le_conn_params);
 	INIT_LIST_HEAD(&hdev->pend_le_conns);
@@ -3734,11 +3731,7 @@
 	if (id < 0)
 		return id;
 
-	error = dev_set_name(&hdev->dev, "hci%u", id);
-	if (error)
-		return error;
-
-	hdev->name = dev_name(&hdev->dev);
+	snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
 	hdev->id = id;
 
 	BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
@@ -3760,6 +3753,8 @@
 	if (!IS_ERR_OR_NULL(bt_debugfs))
 		hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
 
+	dev_set_name(&hdev->dev, "%s", hdev->name);
+
 	error = device_add(&hdev->dev);
 	if (error < 0)
 		goto err_wqueue;
@@ -3884,8 +3879,8 @@
 	destroy_workqueue(hdev->req_workqueue);
 
 	hci_dev_lock(hdev);
-	hci_bdaddr_list_clear(&hdev->reject_list);
-	hci_bdaddr_list_clear(&hdev->accept_list);
+	hci_bdaddr_list_clear(&hdev->blacklist);
+	hci_bdaddr_list_clear(&hdev->whitelist);
 	hci_uuids_clear(hdev);
 	hci_link_keys_clear(hdev);
 	hci_smp_ltks_clear(hdev);
@@ -3893,7 +3888,7 @@
 	hci_remote_oob_data_clear(hdev);
 	hci_adv_instances_clear(hdev);
 	hci_adv_monitors_clear(hdev);
-	hci_bdaddr_list_clear(&hdev->le_accept_list);
+	hci_bdaddr_list_clear(&hdev->le_white_list);
 	hci_bdaddr_list_clear(&hdev->le_resolv_list);
 	hci_conn_params_clear_all(hdev);
 	hci_discovery_filter_clear(hdev);
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index d4efc4a..c39d3dd 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -125,7 +125,7 @@
 	struct bdaddr_list *b;
 
 	hci_dev_lock(hdev);
-	list_for_each_entry(b, &hdev->accept_list, list)
+	list_for_each_entry(b, &hdev->whitelist, list)
 		seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
 	list_for_each_entry(p, &hdev->le_conn_params, list) {
 		seq_printf(f, "%pMR (type %u) %u\n", &p->addr, p->addr_type,
@@ -144,7 +144,7 @@
 	struct bdaddr_list *b;
 
 	hci_dev_lock(hdev);
-	list_for_each_entry(b, &hdev->reject_list, list)
+	list_for_each_entry(b, &hdev->blacklist, list)
 		seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
 	hci_dev_unlock(hdev);
 
@@ -734,7 +734,7 @@
 	struct bdaddr_list *b;
 
 	hci_dev_lock(hdev);
-	list_for_each_entry(b, &hdev->le_accept_list, list)
+	list_for_each_entry(b, &hdev->le_white_list, list)
 		seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
 	hci_dev_unlock(hdev);
 
@@ -1149,7 +1149,7 @@
 				    &force_static_address_fops);
 
 	debugfs_create_u8("white_list_size", 0444, hdev->debugfs,
-			  &hdev->le_accept_list_size);
+			  &hdev->le_white_list_size);
 	debugfs_create_file("white_list", 0444, hdev->debugfs, hdev,
 			    &white_list_fops);
 	debugfs_create_u8("resolv_list_size", 0444, hdev->debugfs,
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 4027c79..0d802cc 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -238,7 +238,7 @@
 
 	hdev->ssp_debug_mode = 0;
 
-	hci_bdaddr_list_clear(&hdev->le_accept_list);
+	hci_bdaddr_list_clear(&hdev->le_white_list);
 	hci_bdaddr_list_clear(&hdev->le_resolv_list);
 }
 
@@ -1458,22 +1458,36 @@
 	hdev->le_num_of_adv_sets = rp->num_of_sets;
 }
 
-static void hci_cc_le_read_accept_list_size(struct hci_dev *hdev,
-					    struct sk_buff *skb)
+static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
+					   struct sk_buff *skb)
 {
-	struct hci_rp_le_read_accept_list_size *rp = (void *)skb->data;
+	struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
 
 	BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
 
 	if (rp->status)
 		return;
 
-	hdev->le_accept_list_size = rp->size;
+	hdev->le_white_list_size = rp->size;
 }
 
-static void hci_cc_le_clear_accept_list(struct hci_dev *hdev,
+static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
+				       struct sk_buff *skb)
+{
+	__u8 status = *((__u8 *) skb->data);
+
+	BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+	if (status)
+		return;
+
+	hci_bdaddr_list_clear(&hdev->le_white_list);
+}
+
+static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
 					struct sk_buff *skb)
 {
+	struct hci_cp_le_add_to_white_list *sent;
 	__u8 status = *((__u8 *) skb->data);
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
@@ -1481,32 +1495,18 @@
 	if (status)
 		return;
 
-	hci_bdaddr_list_clear(&hdev->le_accept_list);
-}
-
-static void hci_cc_le_add_to_accept_list(struct hci_dev *hdev,
-					 struct sk_buff *skb)
-{
-	struct hci_cp_le_add_to_accept_list *sent;
-	__u8 status = *((__u8 *) skb->data);
-
-	BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
-	if (status)
-		return;
-
-	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_ACCEPT_LIST);
+	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
 	if (!sent)
 		return;
 
-	hci_bdaddr_list_add(&hdev->le_accept_list, &sent->bdaddr,
-			    sent->bdaddr_type);
+	hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
+			   sent->bdaddr_type);
 }
 
-static void hci_cc_le_del_from_accept_list(struct hci_dev *hdev,
-					   struct sk_buff *skb)
+static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
+					  struct sk_buff *skb)
 {
-	struct hci_cp_le_del_from_accept_list *sent;
+	struct hci_cp_le_del_from_white_list *sent;
 	__u8 status = *((__u8 *) skb->data);
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
@@ -1514,11 +1514,11 @@
 	if (status)
 		return;
 
-	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_ACCEPT_LIST);
+	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
 	if (!sent)
 		return;
 
-	hci_bdaddr_list_del(&hdev->le_accept_list, &sent->bdaddr,
+	hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
 			    sent->bdaddr_type);
 }
 
@@ -2334,7 +2334,7 @@
 	/* We don't want the connection attempt to stick around
 	 * indefinitely since LE doesn't have a page timeout concept
 	 * like BR/EDR. Set a timer for any connection that doesn't use
-	 * the accept list for connecting.
+	 * the white list for connecting.
 	 */
 	if (filter_policy == HCI_LE_USE_PEER_ADDR)
 		queue_delayed_work(conn->hdev->workqueue,
@@ -2590,7 +2590,7 @@
 		 * only used during suspend.
 		 */
 		if (ev->link_type == ACL_LINK &&
-		    hci_bdaddr_list_lookup_with_flags(&hdev->accept_list,
+		    hci_bdaddr_list_lookup_with_flags(&hdev->whitelist,
 						      &ev->bdaddr,
 						      BDADDR_BREDR)) {
 			conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
@@ -2722,28 +2722,28 @@
 		return;
 	}
 
-	hci_dev_lock(hdev);
-
-	if (hci_bdaddr_list_lookup(&hdev->reject_list, &ev->bdaddr,
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
 				   BDADDR_BREDR)) {
 		hci_reject_conn(hdev, &ev->bdaddr);
-		goto unlock;
+		return;
 	}
 
-	/* Require HCI_CONNECTABLE or an accept list entry to accept the
+	/* Require HCI_CONNECTABLE or a whitelist entry to accept the
 	 * connection. These features are only touched through mgmt so
 	 * only do the checks if HCI_MGMT is set.
 	 */
 	if (hci_dev_test_flag(hdev, HCI_MGMT) &&
 	    !hci_dev_test_flag(hdev, HCI_CONNECTABLE) &&
-	    !hci_bdaddr_list_lookup_with_flags(&hdev->accept_list, &ev->bdaddr,
+	    !hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, &ev->bdaddr,
 					       BDADDR_BREDR)) {
 		hci_reject_conn(hdev, &ev->bdaddr);
-		goto unlock;
+		return;
 	}
 
 	/* Connection accepted */
 
+	hci_dev_lock(hdev);
+
 	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
 	if (ie)
 		memcpy(ie->data.dev_class, ev->dev_class, 3);
@@ -2755,7 +2755,8 @@
 				    HCI_ROLE_SLAVE);
 		if (!conn) {
 			bt_dev_err(hdev, "no memory for new connection");
-			goto unlock;
+			hci_dev_unlock(hdev);
+			return;
 		}
 	}
 
@@ -2795,10 +2796,6 @@
 		conn->state = BT_CONNECT2;
 		hci_connect_cfm(conn, 0);
 	}
-
-	return;
-unlock:
-	hci_dev_unlock(hdev);
 }
 
 static u8 hci_to_mgmt_reason(u8 err)
@@ -3490,20 +3487,20 @@
 		hci_cc_le_set_scan_enable(hdev, skb);
 		break;
 
-	case HCI_OP_LE_READ_ACCEPT_LIST_SIZE:
-		hci_cc_le_read_accept_list_size(hdev, skb);
+	case HCI_OP_LE_READ_WHITE_LIST_SIZE:
+		hci_cc_le_read_white_list_size(hdev, skb);
 		break;
 
-	case HCI_OP_LE_CLEAR_ACCEPT_LIST:
-		hci_cc_le_clear_accept_list(hdev, skb);
+	case HCI_OP_LE_CLEAR_WHITE_LIST:
+		hci_cc_le_clear_white_list(hdev, skb);
 		break;
 
-	case HCI_OP_LE_ADD_TO_ACCEPT_LIST:
-		hci_cc_le_add_to_accept_list(hdev, skb);
+	case HCI_OP_LE_ADD_TO_WHITE_LIST:
+		hci_cc_le_add_to_white_list(hdev, skb);
 		break;
 
-	case HCI_OP_LE_DEL_FROM_ACCEPT_LIST:
-		hci_cc_le_del_from_accept_list(hdev, skb);
+	case HCI_OP_LE_DEL_FROM_WHITE_LIST:
+		hci_cc_le_del_from_white_list(hdev, skb);
 		break;
 
 	case HCI_OP_LE_READ_SUPPORTED_STATES:
@@ -5185,7 +5182,7 @@
 
 		/* If we didn't have a hci_conn object previously
 		 * but we're in central role this must be something
-		 * initiated using an accept list. Since accept list based
+		 * initiated using a white list. Since white list based
 		 * connections are not "first class citizens" we don't
 		 * have full tracking of them. Therefore, we go ahead
 		 * with a "best effort" approach of determining the
@@ -5235,7 +5232,7 @@
 		addr_type = BDADDR_LE_RANDOM;
 
 	/* Drop the connection if the device is blocked */
-	if (hci_bdaddr_list_lookup(&hdev->reject_list, &conn->dst, addr_type)) {
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
 		hci_conn_drop(conn);
 		goto unlock;
 	}
@@ -5403,7 +5400,7 @@
 		return NULL;
 
 	/* Ignore if the device is blocked */
-	if (hci_bdaddr_list_lookup(&hdev->reject_list, addr, addr_type))
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
 		return NULL;
 
 	/* Most controller will fail if we try to create new connections
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index a0f980e..12fa655 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -382,53 +382,6 @@
 		hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
 }
 
-static void start_interleave_scan(struct hci_dev *hdev)
-{
-	hdev->interleave_scan_state = INTERLEAVE_SCAN_NO_FILTER;
-	queue_delayed_work(hdev->req_workqueue,
-			   &hdev->interleave_scan, 0);
-}
-
-static bool is_interleave_scanning(struct hci_dev *hdev)
-{
-	return hdev->interleave_scan_state != INTERLEAVE_SCAN_NONE;
-}
-
-static void cancel_interleave_scan(struct hci_dev *hdev)
-{
-	bt_dev_dbg(hdev, "cancelling interleave scan");
-
-	cancel_delayed_work_sync(&hdev->interleave_scan);
-
-	hdev->interleave_scan_state = INTERLEAVE_SCAN_NONE;
-}
-
-/* Return true if interleave_scan wasn't started until exiting this function,
- * otherwise, return false
- */
-static bool __hci_update_interleaved_scan(struct hci_dev *hdev)
-{
-	/* If there is at least one ADV monitors and one pending LE connection
-	 * or one device to be scanned for, we should alternate between
-	 * allowlist scan and one without any filters to save power.
-	 */
-	bool use_interleaving = hci_is_adv_monitoring(hdev) &&
-				!(list_empty(&hdev->pend_le_conns) &&
-				  list_empty(&hdev->pend_le_reports));
-	bool is_interleaving = is_interleave_scanning(hdev);
-
-	if (use_interleaving && !is_interleaving) {
-		start_interleave_scan(hdev);
-		bt_dev_dbg(hdev, "starting interleave scan");
-		return true;
-	}
-
-	if (!use_interleaving && is_interleaving)
-		cancel_interleave_scan(hdev);
-
-	return false;
-}
-
 /* This function controls the background scanning based on hdev->pend_le_conns
  * list. If there are pending LE connection we start the background scanning,
  * otherwise we stop it.
@@ -501,7 +454,8 @@
 			hci_req_add_le_scan_disable(req, false);
 
 		hci_req_add_le_passive_scan(req);
-		bt_dev_dbg(hdev, "starting background scanning");
+
+		BT_DBG("%s starting background scanning", hdev->name);
 	}
 }
 
@@ -736,17 +690,17 @@
 	}
 }
 
-static void del_from_accept_list(struct hci_request *req, bdaddr_t *bdaddr,
-				 u8 bdaddr_type)
+static void del_from_white_list(struct hci_request *req, bdaddr_t *bdaddr,
+				u8 bdaddr_type)
 {
-	struct hci_cp_le_del_from_accept_list cp;
+	struct hci_cp_le_del_from_white_list cp;
 
 	cp.bdaddr_type = bdaddr_type;
 	bacpy(&cp.bdaddr, bdaddr);
 
-	bt_dev_dbg(req->hdev, "Remove %pMR (0x%x) from accept list", &cp.bdaddr,
+	bt_dev_dbg(req->hdev, "Remove %pMR (0x%x) from whitelist", &cp.bdaddr,
 		   cp.bdaddr_type);
-	hci_req_add(req, HCI_OP_LE_DEL_FROM_ACCEPT_LIST, sizeof(cp), &cp);
+	hci_req_add(req, HCI_OP_LE_DEL_FROM_WHITE_LIST, sizeof(cp), &cp);
 
 	if (use_ll_privacy(req->hdev) &&
 	    hci_dev_test_flag(req->hdev, HCI_ENABLE_LL_PRIVACY)) {
@@ -765,31 +719,31 @@
 	}
 }
 
-/* Adds connection to accept list if needed. On error, returns -1. */
-static int add_to_accept_list(struct hci_request *req,
-			      struct hci_conn_params *params, u8 *num_entries,
-			      bool allow_rpa)
+/* Adds connection to white list if needed. On error, returns -1. */
+static int add_to_white_list(struct hci_request *req,
+			     struct hci_conn_params *params, u8 *num_entries,
+			     bool allow_rpa)
 {
-	struct hci_cp_le_add_to_accept_list cp;
+	struct hci_cp_le_add_to_white_list cp;
 	struct hci_dev *hdev = req->hdev;
 
-	/* Already in accept list */
-	if (hci_bdaddr_list_lookup(&hdev->le_accept_list, &params->addr,
+	/* Already in white list */
+	if (hci_bdaddr_list_lookup(&hdev->le_white_list, &params->addr,
 				   params->addr_type))
 		return 0;
 
 	/* Select filter policy to accept all advertising */
-	if (*num_entries >= hdev->le_accept_list_size)
+	if (*num_entries >= hdev->le_white_list_size)
 		return -1;
 
-	/* Accept list can not be used with RPAs */
+	/* White list can not be used with RPAs */
 	if (!allow_rpa &&
 	    !hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
 	    hci_find_irk_by_addr(hdev, &params->addr, params->addr_type)) {
 		return -1;
 	}
 
-	/* During suspend, only wakeable devices can be in accept list */
+	/* During suspend, only wakeable devices can be in whitelist */
 	if (hdev->suspended && !hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
 						   params->current_flags))
 		return 0;
@@ -798,9 +752,9 @@
 	cp.bdaddr_type = params->addr_type;
 	bacpy(&cp.bdaddr, &params->addr);
 
-	bt_dev_dbg(hdev, "Add %pMR (0x%x) to accept list", &cp.bdaddr,
+	bt_dev_dbg(hdev, "Add %pMR (0x%x) to whitelist", &cp.bdaddr,
 		   cp.bdaddr_type);
-	hci_req_add(req, HCI_OP_LE_ADD_TO_ACCEPT_LIST, sizeof(cp), &cp);
+	hci_req_add(req, HCI_OP_LE_ADD_TO_WHITE_LIST, sizeof(cp), &cp);
 
 	if (use_ll_privacy(hdev) &&
 	    hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) {
@@ -828,15 +782,15 @@
 	return 0;
 }
 
-static u8 update_accept_list(struct hci_request *req)
+static u8 update_white_list(struct hci_request *req)
 {
 	struct hci_dev *hdev = req->hdev;
 	struct hci_conn_params *params;
 	struct bdaddr_list *b;
 	u8 num_entries = 0;
 	bool pend_conn, pend_report;
-	/* We allow usage of accept list even with RPAs in suspend. In the worst
-	 * case, we won't be able to wake from devices that use the privacy1.2
+	/* We allow whitelisting even with RPAs in suspend. In the worst case,
+	 * we won't be able to wake from devices that use the privacy1.2
 	 * features. Additionally, once we support privacy1.2 and IRK
 	 * offloading, we can update this to also check for those conditions.
 	 */
@@ -846,13 +800,13 @@
 	    hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
 		allow_rpa = true;
 
-	/* Go through the current accept list programmed into the
+	/* Go through the current white list programmed into the
 	 * controller one by one and check if that address is still
 	 * in the list of pending connections or list of devices to
 	 * report. If not present in either list, then queue the
 	 * command to remove it from the controller.
 	 */
-	list_for_each_entry(b, &hdev->le_accept_list, list) {
+	list_for_each_entry(b, &hdev->le_white_list, list) {
 		pend_conn = hci_pend_le_action_lookup(&hdev->pend_le_conns,
 						      &b->bdaddr,
 						      b->bdaddr_type);
@@ -861,14 +815,14 @@
 							b->bdaddr_type);
 
 		/* If the device is not likely to connect or report,
-		 * remove it from the accept list.
+		 * remove it from the whitelist.
 		 */
 		if (!pend_conn && !pend_report) {
-			del_from_accept_list(req, &b->bdaddr, b->bdaddr_type);
+			del_from_white_list(req, &b->bdaddr, b->bdaddr_type);
 			continue;
 		}
 
-		/* Accept list can not be used with RPAs */
+		/* White list can not be used with RPAs */
 		if (!allow_rpa &&
 		    !hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
 		    hci_find_irk_by_addr(hdev, &b->bdaddr, b->bdaddr_type)) {
@@ -878,44 +832,39 @@
 		num_entries++;
 	}
 
-	/* Since all no longer valid accept list entries have been
+	/* Since all no longer valid white list entries have been
 	 * removed, walk through the list of pending connections
 	 * and ensure that any new device gets programmed into
 	 * the controller.
 	 *
 	 * If the list of the devices is larger than the list of
-	 * available accept list entries in the controller, then
+	 * available white list entries in the controller, then
 	 * just abort and return filer policy value to not use the
-	 * accept list.
+	 * white list.
 	 */
 	list_for_each_entry(params, &hdev->pend_le_conns, action) {
-		if (add_to_accept_list(req, params, &num_entries, allow_rpa))
+		if (add_to_white_list(req, params, &num_entries, allow_rpa))
 			return 0x00;
 	}
 
 	/* After adding all new pending connections, walk through
 	 * the list of pending reports and also add these to the
-	 * accept list if there is still space. Abort if space runs out.
+	 * white list if there is still space. Abort if space runs out.
 	 */
 	list_for_each_entry(params, &hdev->pend_le_reports, action) {
-		if (add_to_accept_list(req, params, &num_entries, allow_rpa))
+		if (add_to_white_list(req, params, &num_entries, allow_rpa))
 			return 0x00;
 	}
 
-	/* Use the allowlist unless the following conditions are all true:
-	 * - We are not currently suspending
-	 * - There are 1 or more ADV monitors registered
-	 * - Interleaved scanning is not currently using the allowlist
-	 *
-	 * Once the controller offloading of advertisement monitor is in place,
-	 * the above condition should include the support of MSFT extension
-	 * support.
+	/* Once the controller offloading of advertisement monitor is in place,
+	 * the if condition should include the support of MSFT extension
+	 * support. If suspend is ongoing, whitelist should be the default to
+	 * prevent waking by random advertisements.
 	 */
-	if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended &&
-	    hdev->interleave_scan_state != INTERLEAVE_SCAN_ALLOWLIST)
+	if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended)
 		return 0x00;
 
-	/* Select filter policy to use accept list */
+	/* Select filter policy to use white list */
 	return 0x01;
 }
 
@@ -1065,24 +1014,20 @@
 				      &own_addr_type))
 		return;
 
-	if (__hci_update_interleaved_scan(hdev))
-		return;
-
-	bt_dev_dbg(hdev, "interleave state %d", hdev->interleave_scan_state);
-	/* Adding or removing entries from the accept list must
+	/* Adding or removing entries from the white list must
 	 * happen before enabling scanning. The controller does
-	 * not allow accept list modification while scanning.
+	 * not allow white list modification while scanning.
 	 */
-	filter_policy = update_accept_list(req);
+	filter_policy = update_white_list(req);
 
 	/* When the controller is using random resolvable addresses and
 	 * with that having LE privacy enabled, then controllers with
 	 * Extended Scanner Filter Policies support can now enable support
 	 * for handling directed advertising.
 	 *
-	 * So instead of using filter polices 0x00 (no accept list)
-	 * and 0x01 (accept list enabled) use the new filter policies
-	 * 0x02 (no accept list) and 0x03 (accept list enabled).
+	 * So instead of using filter polices 0x00 (no whitelist)
+	 * and 0x01 (whitelist enabled) use the new filter policies
+	 * 0x02 (no whitelist) and 0x03 (whitelist enabled).
 	 */
 	if (hci_dev_test_flag(hdev, HCI_PRIVACY) &&
 	    (hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY))
@@ -1102,8 +1047,7 @@
 		interval = hdev->le_scan_interval;
 	}
 
-	bt_dev_dbg(hdev, "LE passive scan with accept list = %d",
-		   filter_policy);
+	bt_dev_dbg(hdev, "LE passive scan with whitelist = %d", filter_policy);
 	hci_req_start_scan(req, LE_SCAN_PASSIVE, interval, window,
 			   own_addr_type, filter_policy, addr_resolv);
 }
@@ -1151,7 +1095,7 @@
 	/* Always clear event filter when starting */
 	hci_req_clear_event_filter(req);
 
-	list_for_each_entry(b, &hdev->accept_list, list) {
+	list_for_each_entry(b, &hdev->whitelist, list) {
 		if (!hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
 					b->current_flags))
 			continue;
@@ -1944,62 +1888,6 @@
 	hci_dev_unlock(hdev);
 }
 
-static int hci_req_add_le_interleaved_scan(struct hci_request *req,
-					   unsigned long opt)
-{
-	struct hci_dev *hdev = req->hdev;
-	int ret = 0;
-
-	hci_dev_lock(hdev);
-
-	if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
-		hci_req_add_le_scan_disable(req, false);
-	hci_req_add_le_passive_scan(req);
-
-	switch (hdev->interleave_scan_state) {
-	case INTERLEAVE_SCAN_ALLOWLIST:
-		bt_dev_dbg(hdev, "next state: allowlist");
-		hdev->interleave_scan_state = INTERLEAVE_SCAN_NO_FILTER;
-		break;
-	case INTERLEAVE_SCAN_NO_FILTER:
-		bt_dev_dbg(hdev, "next state: no filter");
-		hdev->interleave_scan_state = INTERLEAVE_SCAN_ALLOWLIST;
-		break;
-	case INTERLEAVE_SCAN_NONE:
-		BT_ERR("unexpected error");
-		ret = -1;
-	}
-
-	hci_dev_unlock(hdev);
-
-	return ret;
-}
-
-static void interleave_scan_work(struct work_struct *work)
-{
-	struct hci_dev *hdev = container_of(work, struct hci_dev,
-					    interleave_scan.work);
-	u8 status;
-	unsigned long timeout;
-
-	if (hdev->interleave_scan_state == INTERLEAVE_SCAN_ALLOWLIST) {
-		timeout = msecs_to_jiffies(hdev->advmon_allowlist_duration);
-	} else if (hdev->interleave_scan_state == INTERLEAVE_SCAN_NO_FILTER) {
-		timeout = msecs_to_jiffies(hdev->advmon_no_filter_duration);
-	} else {
-		bt_dev_err(hdev, "unexpected error");
-		return;
-	}
-
-	hci_req_sync(hdev, hci_req_add_le_interleaved_scan, 0,
-		     HCI_CMD_TIMEOUT, &status);
-
-	/* Don't continue interleaving if it was canceled */
-	if (is_interleave_scanning(hdev))
-		queue_delayed_work(hdev->req_workqueue,
-				   &hdev->interleave_scan, timeout);
-}
-
 int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
 			   bool use_rpa, struct adv_info *adv_instance,
 			   u8 *own_addr_type, bdaddr_t *rand_addr)
@@ -2563,11 +2451,11 @@
 	return 0;
 }
 
-static bool disconnected_accept_list_entries(struct hci_dev *hdev)
+static bool disconnected_whitelist_entries(struct hci_dev *hdev)
 {
 	struct bdaddr_list *b;
 
-	list_for_each_entry(b, &hdev->accept_list, list) {
+	list_for_each_entry(b, &hdev->whitelist, list) {
 		struct hci_conn *conn;
 
 		conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &b->bdaddr);
@@ -2599,7 +2487,7 @@
 		return;
 
 	if (hci_dev_test_flag(hdev, HCI_CONNECTABLE) ||
-	    disconnected_accept_list_entries(hdev))
+	    disconnected_whitelist_entries(hdev))
 		scan = SCAN_PAGE;
 	else
 		scan = SCAN_DISABLED;
@@ -3088,7 +2976,7 @@
 	uint16_t interval = opt;
 	struct hci_dev *hdev = req->hdev;
 	u8 own_addr_type;
-	/* Accept list is not used for discovery */
+	/* White list is not used for discovery */
 	u8 filter_policy = 0x00;
 	/* Discovery doesn't require controller address resolution */
 	bool addr_resolv = false;
@@ -3427,7 +3315,6 @@
 	INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work);
 	INIT_DELAYED_WORK(&hdev->le_scan_restart, le_scan_restart_work);
 	INIT_DELAYED_WORK(&hdev->adv_instance_expire, adv_timeout_expire);
-	INIT_DELAYED_WORK(&hdev->interleave_scan, interleave_scan_work);
 }
 
 void hci_request_cancel_all(struct hci_dev *hdev)
@@ -3447,6 +3334,4 @@
 		cancel_delayed_work_sync(&hdev->adv_instance_expire);
 		hdev->adv_instance_timeout = 0;
 	}
-
-	cancel_interleave_scan(hdev);
 }
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 04db39f..12dc227 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -894,7 +894,7 @@
 	return 0;
 }
 
-static int hci_sock_reject_list_add(struct hci_dev *hdev, void __user *arg)
+static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
 {
 	bdaddr_t bdaddr;
 	int err;
@@ -904,14 +904,14 @@
 
 	hci_dev_lock(hdev);
 
-	err = hci_bdaddr_list_add(&hdev->reject_list, &bdaddr, BDADDR_BREDR);
+	err = hci_bdaddr_list_add(&hdev->blacklist, &bdaddr, BDADDR_BREDR);
 
 	hci_dev_unlock(hdev);
 
 	return err;
 }
 
-static int hci_sock_reject_list_del(struct hci_dev *hdev, void __user *arg)
+static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
 {
 	bdaddr_t bdaddr;
 	int err;
@@ -921,7 +921,7 @@
 
 	hci_dev_lock(hdev);
 
-	err = hci_bdaddr_list_del(&hdev->reject_list, &bdaddr, BDADDR_BREDR);
+	err = hci_bdaddr_list_del(&hdev->blacklist, &bdaddr, BDADDR_BREDR);
 
 	hci_dev_unlock(hdev);
 
@@ -961,12 +961,12 @@
 	case HCIBLOCKADDR:
 		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
-		return hci_sock_reject_list_add(hdev, (void __user *)arg);
+		return hci_sock_blacklist_add(hdev, (void __user *)arg);
 
 	case HCIUNBLOCKADDR:
 		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
-		return hci_sock_reject_list_del(hdev, (void __user *)arg);
+		return hci_sock_blacklist_del(hdev, (void __user *)arg);
 	}
 
 	return -ENOIOCTLCMD;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index cf78a48..f984f04 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -7794,7 +7794,7 @@
 	 * at least ensure that we ignore incoming data from them.
 	 */
 	if (hcon->type == LE_LINK &&
-	    hci_bdaddr_list_lookup(&hcon->hdev->reject_list, &hcon->dst,
+	    hci_bdaddr_list_lookup(&hcon->hdev->blacklist, &hcon->dst,
 				   bdaddr_dst_type(hcon))) {
 		kfree_skb(skb);
 		return;
@@ -8250,7 +8250,7 @@
 	dst_type = bdaddr_dst_type(hcon);
 
 	/* If device is blocked, do not create channels for it */
-	if (hci_bdaddr_list_lookup(&hdev->reject_list, &hcon->dst, dst_type))
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, &hcon->dst, dst_type))
 		return;
 
 	/* Find fixed channels and notify them of the new connection. We
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index bd8cfcf..ab217b3 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -4042,7 +4042,7 @@
 	memset(&rp, 0, sizeof(rp));
 
 	if (cp->addr.type == BDADDR_BREDR) {
-		br_params = hci_bdaddr_list_lookup_with_flags(&hdev->accept_list,
+		br_params = hci_bdaddr_list_lookup_with_flags(&hdev->whitelist,
 							      &cp->addr.bdaddr,
 							      cp->addr.type);
 		if (!br_params)
@@ -4110,7 +4110,7 @@
 	hci_dev_lock(hdev);
 
 	if (cp->addr.type == BDADDR_BREDR) {
-		br_params = hci_bdaddr_list_lookup_with_flags(&hdev->accept_list,
+		br_params = hci_bdaddr_list_lookup_with_flags(&hdev->whitelist,
 							      &cp->addr.bdaddr,
 							      cp->addr.type);
 
@@ -4980,7 +4980,7 @@
 
 	hci_dev_lock(hdev);
 
-	err = hci_bdaddr_list_add(&hdev->reject_list, &cp->addr.bdaddr,
+	err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
 				  cp->addr.type);
 	if (err < 0) {
 		status = MGMT_STATUS_FAILED;
@@ -5016,7 +5016,7 @@
 
 	hci_dev_lock(hdev);
 
-	err = hci_bdaddr_list_del(&hdev->reject_list, &cp->addr.bdaddr,
+	err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
 				  cp->addr.type);
 	if (err < 0) {
 		status = MGMT_STATUS_INVALID_PARAMS;
@@ -6517,7 +6517,7 @@
 			goto unlock;
 		}
 
-		err = hci_bdaddr_list_add_with_flags(&hdev->accept_list,
+		err = hci_bdaddr_list_add_with_flags(&hdev->whitelist,
 						     &cp->addr.bdaddr,
 						     cp->addr.type, 0);
 		if (err)
@@ -6615,7 +6615,7 @@
 		}
 
 		if (cp->addr.type == BDADDR_BREDR) {
-			err = hci_bdaddr_list_del(&hdev->accept_list,
+			err = hci_bdaddr_list_del(&hdev->whitelist,
 						  &cp->addr.bdaddr,
 						  cp->addr.type);
 			if (err) {
@@ -6686,7 +6686,7 @@
 			goto unlock;
 		}
 
-		list_for_each_entry_safe(b, btmp, &hdev->accept_list, list) {
+		list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
 			device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
 			list_del(&b->list);
 			kfree(b);
diff --git a/net/bluetooth/mgmt_config.c b/net/bluetooth/mgmt_config.c
index 2d3ad28..b30b571 100644
--- a/net/bluetooth/mgmt_config.c
+++ b/net/bluetooth/mgmt_config.c
@@ -67,8 +67,6 @@
 		HDEV_PARAM_U16(0x001a, le_supv_timeout),
 		HDEV_PARAM_U16_JIFFIES_TO_MSECS(0x001b,
 						def_le_autoconnect_timeout),
-		HDEV_PARAM_U16(0x001d, advmon_allowlist_duration),
-		HDEV_PARAM_U16(0x001e, advmon_no_filter_duration),
 	};
 	struct mgmt_rp_read_def_system_config *rp = (void *)params;
 
@@ -140,8 +138,6 @@
 		case 0x0019:
 		case 0x001a:
 		case 0x001b:
-		case 0x001d:
-		case 0x001e:
 			if (len != sizeof(u16)) {
 				bt_dev_warn(hdev, "invalid length %d, exp %zu for type %d",
 					    len, sizeof(u16), type);
@@ -255,12 +251,6 @@
 			hdev->def_le_autoconnect_timeout =
 					msecs_to_jiffies(TLV_GET_LE16(buffer));
 			break;
-		case 0x0001d:
-			hdev->advmon_allowlist_duration = TLV_GET_LE16(buffer);
-			break;
-		case 0x0001e:
-			hdev->advmon_no_filter_duration = TLV_GET_LE16(buffer);
-			break;
 		default:
 			bt_dev_warn(hdev, "unsupported parameter %u", type);
 			break;
diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index 51a941b..4dfcd0d 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -134,3 +134,4 @@
 module_init(load_umh);
 module_exit(fini_umh);
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index f2ef75c7..4610f3a 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -118,7 +118,7 @@
 
 	skb = skb_clone(skb, GFP_ATOMIC);
 	if (!skb) {
-		DEV_STATS_INC(dev, tx_dropped);
+		dev->stats.tx_dropped++;
 		return -ENOMEM;
 	}
 
@@ -255,7 +255,7 @@
 
 	skb = skb_copy(skb, GFP_ATOMIC);
 	if (!skb) {
-		DEV_STATS_INC(dev, tx_dropped);
+		dev->stats.tx_dropped++;
 		return;
 	}
 
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 52dd070..bf5bf14 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -145,12 +145,12 @@
 			if ((mdst && mdst->host_joined) ||
 			    br_multicast_is_router(br)) {
 				local_rcv = true;
-				DEV_STATS_INC(br->dev, multicast);
+				br->dev->stats.multicast++;
 			}
 			mcast_hit = true;
 		} else {
 			local_rcv = true;
-			DEV_STATS_INC(br->dev, multicast);
+			br->dev->stats.multicast++;
 		}
 		break;
 	case BR_PKT_UNICAST:
diff --git a/net/core/dev.c b/net/core/dev.c
index fc881d6..d9c433a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -146,6 +146,7 @@
 #include <net/devlink.h>
 #include <linux/pm_runtime.h>
 #include <linux/prandom.h>
+#include <trace/hooks/net.h>
 
 #include "net-sysfs.h"
 
@@ -510,6 +511,12 @@
 
 static inline struct list_head *ptype_head(const struct packet_type *pt)
 {
+	struct list_head vendor_pt = { .next  = NULL, };
+
+	trace_android_vh_ptype_head(pt, &vendor_pt);
+	if (vendor_pt.next)
+		return vendor_pt.next;
+
 	if (pt->type == htons(ETH_P_ALL))
 		return pt->dev ? &pt->dev->ptype_all : &ptype_all;
 	else
@@ -10333,16 +10340,24 @@
 void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64,
 			     const struct net_device_stats *netdev_stats)
 {
-	size_t i, n = sizeof(*netdev_stats) / sizeof(atomic_long_t);
-	const atomic_long_t *src = (atomic_long_t *)netdev_stats;
+#if BITS_PER_LONG == 64
+	BUILD_BUG_ON(sizeof(*stats64) < sizeof(*netdev_stats));
+	memcpy(stats64, netdev_stats, sizeof(*netdev_stats));
+	/* zero out counters that only exist in rtnl_link_stats64 */
+	memset((char *)stats64 + sizeof(*netdev_stats), 0,
+	       sizeof(*stats64) - sizeof(*netdev_stats));
+#else
+	size_t i, n = sizeof(*netdev_stats) / sizeof(unsigned long);
+	const unsigned long *src = (const unsigned long *)netdev_stats;
 	u64 *dst = (u64 *)stats64;
 
 	BUILD_BUG_ON(n > sizeof(*stats64) / sizeof(u64));
 	for (i = 0; i < n; i++)
-		dst[i] = (unsigned long)atomic_long_read(&src[i]);
+		dst[i] = src[i];
 	/* zero out counters that only exist in rtnl_link_stats64 */
 	memset((char *)stats64 + n * sizeof(u64), 0,
 	       sizeof(*stats64) - n * sizeof(u64));
+#endif
 }
 EXPORT_SYMBOL(netdev_stats_to_stats64);
 
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 7742ee6..ed9dd17 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -183,7 +183,7 @@
 }
 
 static const struct genl_multicast_group dropmon_mcgrps[] = {
-	{ .name = "events", .cap_sys_admin = 1 },
+	{ .name = "events", },
 };
 
 static void send_dm_alert(struct work_struct *work)
@@ -1616,13 +1616,11 @@
 		.cmd = NET_DM_CMD_START,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 		.doit = net_dm_cmd_trace,
-		.flags = GENL_ADMIN_PERM,
 	},
 	{
 		.cmd = NET_DM_CMD_STOP,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 		.doit = net_dm_cmd_trace,
-		.flags = GENL_ADMIN_PERM,
 	},
 	{
 		.cmd = NET_DM_CMD_CONFIG_GET,
diff --git a/net/core/dst.c b/net/core/dst.c
index 453ec8a..fb3bcba 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -83,8 +83,12 @@
 
 	if (ops->gc &&
 	    !(flags & DST_NOCOUNT) &&
-	    dst_entries_get_fast(ops) > ops->gc_thresh)
-		ops->gc(ops);
+	    dst_entries_get_fast(ops) > ops->gc_thresh) {
+		if (ops->gc(ops)) {
+			pr_notice_ratelimited("Route cache is full: consider increasing sysctl net.ipv6.route.max_size.\n");
+			return NULL;
+		}
+	}
 
 	dst = kmem_cache_alloc(ops->kmem_cachep, GFP_ATOMIC);
 	if (!dst)
diff --git a/net/core/filter.c b/net/core/filter.c
index 6cfc8fb..ed5af89 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3279,9 +3279,6 @@
 	u32 off = skb_mac_header_len(skb);
 	int ret;
 
-	if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
-		return -ENOTSUPP;
-
 	ret = skb_cow(skb, len_diff);
 	if (unlikely(ret < 0))
 		return ret;
@@ -3293,17 +3290,11 @@
 	if (skb_is_gso(skb)) {
 		struct skb_shared_info *shinfo = skb_shinfo(skb);
 
-		/* SKB_GSO_TCPV4 needs to be changed into
-		 * SKB_GSO_TCPV6.
-		 */
+		/* SKB_GSO_TCPV4 needs to be changed into SKB_GSO_TCPV6. */
 		if (shinfo->gso_type & SKB_GSO_TCPV4) {
 			shinfo->gso_type &= ~SKB_GSO_TCPV4;
 			shinfo->gso_type |=  SKB_GSO_TCPV6;
 		}
-
-		/* Header must be checked, and gso_segs recomputed. */
-		shinfo->gso_type |= SKB_GSO_DODGY;
-		shinfo->gso_segs = 0;
 	}
 
 	skb->protocol = htons(ETH_P_IPV6);
@@ -3318,9 +3309,6 @@
 	u32 off = skb_mac_header_len(skb);
 	int ret;
 
-	if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
-		return -ENOTSUPP;
-
 	ret = skb_unclone(skb, GFP_ATOMIC);
 	if (unlikely(ret < 0))
 		return ret;
@@ -3332,17 +3320,11 @@
 	if (skb_is_gso(skb)) {
 		struct skb_shared_info *shinfo = skb_shinfo(skb);
 
-		/* SKB_GSO_TCPV6 needs to be changed into
-		 * SKB_GSO_TCPV4.
-		 */
+		/* SKB_GSO_TCPV6 needs to be changed into SKB_GSO_TCPV4. */
 		if (shinfo->gso_type & SKB_GSO_TCPV6) {
 			shinfo->gso_type &= ~SKB_GSO_TCPV6;
 			shinfo->gso_type |=  SKB_GSO_TCPV4;
 		}
-
-		/* Header must be checked, and gso_segs recomputed. */
-		shinfo->gso_type |= SKB_GSO_DODGY;
-		shinfo->gso_segs = 0;
 	}
 
 	skb->protocol = htons(ETH_P_IP);
@@ -4673,11 +4655,9 @@
 
 static u64 __bpf_get_netns_cookie(struct sock *sk)
 {
-#ifdef CONFIG_NET_NS
-	return __net_gen_cookie(sk ? sk->sk_net.net : &init_net);
-#else
-	return 0;
-#endif
+	const struct net *net = sk ? sock_net(sk) : &init_net;
+
+	return atomic64_read(&net->net_cookie);
 }
 
 BPF_CALL_1(bpf_get_netns_cookie_sock, struct sock *, ctx)
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index 283ddb2..42f24239 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -35,13 +35,11 @@
 #include <trace/events/tcp.h>
 #include <trace/events/fib.h>
 #include <trace/events/qdisc.h>
-#if IS_ENABLED(CONFIG_BRIDGE)
 #include <trace/events/bridge.h>
 EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_add);
 EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_external_learn_add);
 EXPORT_TRACEPOINT_SYMBOL_GPL(fdb_delete);
 EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_update);
-#endif
 
 #if IS_ENABLED(CONFIG_PAGE_POOL)
 #include <trace/events/page_pool.h>
@@ -56,6 +54,7 @@
 EXPORT_TRACEPOINT_SYMBOL_GPL(neigh_cleanup_and_release);
 
 EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
+EXPORT_TRACEPOINT_SYMBOL_GPL(consume_skb);
 
 EXPORT_TRACEPOINT_SYMBOL_GPL(napi_poll);
 
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index e05dd4f..f1258af 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -72,18 +72,6 @@
 
 DEFINE_COOKIE(net_cookie);
 
-u64 __net_gen_cookie(struct net *net)
-{
-	while (1) {
-		u64 res = atomic64_read(&net->net_cookie);
-
-		if (res)
-			return res;
-		res = gen_cookie_next(&net_cookie);
-		atomic64_cmpxchg(&net->net_cookie, 0, res);
-	}
-}
-
 static struct net_generic *net_alloc_generic(void)
 {
 	struct net_generic *ng;
@@ -341,6 +329,9 @@
 	refcount_set(&net->count, 1);
 	refcount_set(&net->passive, 1);
 	get_random_bytes(&net->hash_mix, sizeof(u32));
+	preempt_disable();
+	atomic64_set(&net->net_cookie, gen_cookie_next(&net_cookie));
+	preempt_enable();
 	net->dev_base_seq = 1;
 	net->user_ns = user_ns;
 	idr_init(&net->netns_ids);
@@ -1128,10 +1119,6 @@
 
 	rcu_assign_pointer(init_net.gen, ng);
 
-	preempt_disable();
-	__net_gen_cookie(&init_net);
-	preempt_enable();
-
 	down_write(&pernet_ops_rwsem);
 	if (setup_net(&init_net, &init_user_ns))
 		panic("Could not setup the initial network namespace");
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 196278a..e40188e 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -76,6 +76,7 @@
 #include <linux/capability.h>
 #include <linux/user_namespace.h>
 #include <linux/indirect_call_wrapper.h>
+#include <trace/hooks/net.h>
 
 #include "datagram.h"
 
@@ -706,6 +707,7 @@
 	if (!skb_unref(skb))
 		return;
 
+	trace_android_vh_kfree_skb(skb);
 	trace_kfree_skb(skb, __builtin_return_address(0));
 	__kfree_skb(skb);
 }
@@ -979,7 +981,15 @@
 #ifdef CONFIG_NET_SCHED
 	CHECK_SKB_FIELD(tc_index);
 #endif
-
+	/* ANDROID:
+	 * Due to attempts to keep the ABI stable for struct sk_buff, the new
+	 * fields were incorrectly added _AFTER_ the headers_end field, which
+	 * requires that we manually copy the fields here from the old to the
+	 * new one.
+	 * Be sure to add any new field that is added in the
+	 * ANDROID_KABI_REPLACE() macros below here as well.
+	 */
+	new->scm_io_uring = old->scm_io_uring;
 }
 
 /*
@@ -1673,11 +1683,10 @@
 	skb->head     = data;
 	skb->head_frag = 0;
 	skb->data    += off;
+
+	skb_set_end_offset(skb, size);
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
-	skb->end      = size;
 	off           = nhead;
-#else
-	skb->end      = skb->head + size;
 #endif
 	skb->tail	      += off;
 	skb_headers_offset_update(skb, nhead);
@@ -1725,6 +1734,38 @@
 }
 EXPORT_SYMBOL(skb_realloc_headroom);
 
+int __skb_unclone_keeptruesize(struct sk_buff *skb, gfp_t pri)
+{
+	unsigned int saved_end_offset, saved_truesize;
+	struct skb_shared_info *shinfo;
+	int res;
+
+	saved_end_offset = skb_end_offset(skb);
+	saved_truesize = skb->truesize;
+
+	res = pskb_expand_head(skb, 0, 0, pri);
+	if (res)
+		return res;
+
+	skb->truesize = saved_truesize;
+
+	if (likely(skb_end_offset(skb) == saved_end_offset))
+		return 0;
+
+	shinfo = skb_shinfo(skb);
+
+	/* We are about to change back skb->end,
+	 * we need to move skb_shinfo() to its new location.
+	 */
+	memmove(skb->head + saved_end_offset,
+		shinfo,
+		offsetof(struct skb_shared_info, frags[shinfo->nr_frags]));
+
+	skb_set_end_offset(skb, saved_end_offset);
+
+	return 0;
+}
+
 /**
  *	skb_copy_expand	-	copy and expand sk_buff
  *	@skb: buffer to copy
@@ -3296,19 +3337,7 @@
  */
 static int skb_prepare_for_shift(struct sk_buff *skb)
 {
-	int ret = 0;
-
-	if (skb_cloned(skb)) {
-		/* Save and restore truesize: pskb_expand_head() may reallocate
-		 * memory where ksize(kmalloc(S)) != ksize(kmalloc(S)), but we
-		 * cannot change truesize at this point.
-		 */
-		unsigned int save_truesize = skb->truesize;
-
-		ret = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
-		skb->truesize = save_truesize;
-	}
-	return ret;
+	return skb_unclone_keeptruesize(skb, GFP_ATOMIC);
 }
 
 /**
@@ -3681,7 +3710,7 @@
 	unsigned int delta_len = 0;
 	struct sk_buff *tail = NULL;
 	struct sk_buff *nskb, *tmp;
-	int err;
+	int len_diff, err;
 
 	skb_push(skb, -skb_network_offset(skb) + offset);
 
@@ -3726,9 +3755,11 @@
 		skb_push(nskb, -skb_network_offset(nskb) + offset);
 
 		skb_release_head_state(nskb);
+		len_diff = skb_network_header_len(nskb) - skb_network_header_len(skb);
 		 __copy_skb_header(nskb, skb);
 
 		skb_headers_offset_update(nskb, skb_headroom(nskb) - skb_headroom(skb));
+		nskb->transport_header += len_diff;
 		skb_copy_from_linear_data_offset(skb, -tnl_hlen,
 						 nskb->data - tnl_hlen,
 						 offset + tnl_hlen);
@@ -5995,11 +6026,7 @@
 	skb->head = data;
 	skb->data = data;
 	skb->head_frag = 0;
-#ifdef NET_SKBUFF_DATA_USES_OFFSET
-	skb->end = size;
-#else
-	skb->end = skb->head + size;
-#endif
+	skb_set_end_offset(skb, size);
 	skb_set_tail_pointer(skb, skb_headlen(skb));
 	skb_headers_offset_update(skb, 0);
 	skb->cloned = 0;
@@ -6137,11 +6164,7 @@
 	skb->head = data;
 	skb->head_frag = 0;
 	skb->data = data;
-#ifdef NET_SKBUFF_DATA_USES_OFFSET
-	skb->end = size;
-#else
-	skb->end = skb->head + size;
-#endif
+	skb_set_end_offset(skb, size);
 	skb_reset_tail_pointer(skb);
 	skb_headers_offset_update(skb, 0);
 	skb->cloned   = 0;
diff --git a/net/core/sock.c b/net/core/sock.c
index 769e969..3d8fa0d 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -135,6 +135,8 @@
 #include <net/bpf_sk_storage.h>
 
 #include <trace/events/sock.h>
+#include <trace/hooks/sched.h>
+#include <trace/hooks/net.h>
 
 #include <net/tcp.h>
 #include <net/busy_poll.h>
@@ -1616,6 +1618,13 @@
 		v.val = sk->sk_bound_dev_if;
 		break;
 
+	case SO_NETNS_COOKIE:
+		lv = sizeof(u64);
+		if (len != lv)
+			return -EINVAL;
+		v.val64 = atomic64_read(&sock_net(sk)->net_cookie);
+		break;
+
 	default:
 		/* We implement the SO_SNDLOWAT etc to not be settable
 		 * (1003.1g 7).
@@ -1698,6 +1707,8 @@
 		if (security_sk_alloc(sk, family, priority))
 			goto out_free;
 
+		trace_android_rvh_sk_alloc(sk);
+
 		if (!try_module_get(prot->owner))
 			goto out_free_sec;
 		sk_tx_queue_clear(sk);
@@ -1707,6 +1718,7 @@
 
 out_free_sec:
 	security_sk_free(sk);
+	trace_android_rvh_sk_free(sk);
 out_free:
 	if (slab != NULL)
 		kmem_cache_free(slab, sk);
@@ -1726,6 +1738,7 @@
 	cgroup_sk_free(&sk->sk_cgrp_data);
 	mem_cgroup_sk_free(sk);
 	security_sk_free(sk);
+	trace_android_rvh_sk_free(sk);
 	if (slab != NULL)
 		kmem_cache_free(slab, sk);
 	else
@@ -2920,9 +2933,19 @@
 
 	rcu_read_lock();
 	wq = rcu_dereference(sk->sk_wq);
-	if (skwq_has_sleeper(wq))
+
+	if (skwq_has_sleeper(wq)) {
+		int done = 0;
+
+		trace_android_vh_do_wake_up_sync(&wq->wait, &done);
+		if (done)
+			goto out;
+
 		wake_up_interruptible_sync_poll(&wq->wait, EPOLLIN | EPOLLPRI |
 						EPOLLRDNORM | EPOLLRDBAND);
+	}
+
+out:
 	sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
 	rcu_read_unlock();
 }
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index acb4887..769902f 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -498,6 +498,10 @@
 		goto out;
 
 	snum = ntohs(addr->sin_port);
+	err = -EPERM;
+	if (snum && inet_is_local_unbindable_port(net, snum))
+		goto out;
+
 	err = -EACCES;
 	if (snum && inet_port_requires_bind_service(net, snum) &&
 	    !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
@@ -584,7 +588,6 @@
 
 	add_wait_queue(sk_sleep(sk), &wait);
 	sk->sk_write_pending += writebias;
-	sk->sk_wait_pending++;
 
 	/* Basic assumption: if someone sets sk->sk_err, he _must_
 	 * change state of the socket from TCP_SYN_*.
@@ -600,7 +603,6 @@
 	}
 	remove_wait_queue(sk_sleep(sk), &wait);
 	sk->sk_write_pending -= writebias;
-	sk->sk_wait_pending--;
 	return timeo;
 }
 
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 36ed85b..d99e1be 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -141,7 +141,7 @@
 	}
 
 	kfree(AH_SKB_CB(skb)->tmp);
-	xfrm_output_resume(skb->sk, skb, err);
+	xfrm_output_resume(skb, err);
 }
 
 static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 412a3c1..76a73d8 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -279,7 +279,7 @@
 		    x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
 			esp_output_tail_tcp(x, skb);
 		else
-			xfrm_output_resume(skb->sk, skb, err);
+			xfrm_output_resume(skb, err);
 	}
 }
 
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index bb52551..5f786cf 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1908,7 +1908,6 @@
 			continue;
 		if (fi->fib_prefsrc == local) {
 			fi->fib_flags |= RTNH_F_DEAD;
-			fi->pfsrc_removed = true;
 			ret++;
 		}
 	}
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 3f4f645..456240d 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1977,7 +1977,6 @@
 int fib_table_flush(struct net *net, struct fib_table *tb, bool flush_all)
 {
 	struct trie *t = (struct trie *)tb->tb_data;
-	struct nl_info info = { .nl_net = net };
 	struct key_vector *pn = t->kv;
 	unsigned long cindex = 1;
 	struct hlist_node *tmp;
@@ -2040,9 +2039,6 @@
 
 			fib_notify_alias_delete(net, n->key, &n->leaf, fa,
 						NULL);
-			if (fi->pfsrc_removed)
-				rtmsg_fib(RTM_DELROUTE, htonl(n->key), fa,
-					  KEYLENGTH - fa->fa_slen, tb->tb_id, &info, 0);
 			hlist_del_rcu(&fa->fa_list);
 			fib_release_info(fa->fa_info);
 			alias_free_mem_rcu(fa);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 5f71a1c..e05dd87 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -740,8 +740,7 @@
 	if (inet_sk_state_load(sk_listener) != TCP_LISTEN)
 		goto drop;
 
-	max_syn_ack_retries = READ_ONCE(icsk->icsk_syn_retries) ? :
-		READ_ONCE(net->ipv4.sysctl_tcp_synack_retries);
+	max_syn_ack_retries = icsk->icsk_syn_retries ? : net->ipv4.sysctl_tcp_synack_retries;
 	/* Normally all the openreqs are young and become mature
 	 * (i.e. converted to established socket) for first timeout.
 	 * If synack was not acknowledged for 1 second, it means
@@ -840,7 +839,6 @@
 	if (newsk) {
 		struct inet_connection_sock *newicsk = inet_csk(newsk);
 
-		newsk->sk_wait_pending = 0;
 		inet_sk_set_state(newsk, TCP_SYN_RECV);
 		newicsk->icsk_bind_hash = NULL;
 
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 3725796..c9add07 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -361,11 +361,6 @@
 					   iph->tos, dev);
 		if (unlikely(err))
 			goto drop_error;
-	} else {
-		struct in_device *in_dev = __in_dev_get_rcu(dev);
-
-		if (in_dev && IN_DEV_ORCONF(in_dev, NOPOLICY))
-			IPCB(skb)->flags |= IPSKB_NOPOLICY;
 	}
 
 #ifdef CONFIG_IP_ROUTE_CLASSID
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index a99c374..1580804 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1723,7 +1723,7 @@
 			   tcp_hdr(skb)->source, tcp_hdr(skb)->dest,
 			   arg->uid);
 	security_skb_classify_flow(skb, flowi4_to_flowi_common(&fl4));
-	rt = ip_route_output_flow(net, &fl4, sk);
+	rt = ip_route_output_key(net, &fl4);
 	if (IS_ERR(rt))
 		return;
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d360c7d..b6aca58 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1767,7 +1767,6 @@
 	struct in_device *in_dev = __in_dev_get_rcu(dev);
 	unsigned int flags = RTCF_MULTICAST;
 	struct rtable *rth;
-	bool no_policy;
 	u32 itag = 0;
 	int err;
 
@@ -1778,12 +1777,8 @@
 	if (our)
 		flags |= RTCF_LOCAL;
 
-	no_policy = IN_DEV_ORCONF(in_dev, NOPOLICY);
-	if (no_policy)
-		IPCB(skb)->flags |= IPSKB_NOPOLICY;
-
 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,
-			   no_policy, false);
+			   IN_DEV_ORCONF(in_dev, NOPOLICY), false);
 	if (!rth)
 		return -ENOBUFS;
 
@@ -1842,7 +1837,7 @@
 	struct rtable *rth;
 	int err;
 	struct in_device *out_dev;
-	bool do_cache, no_policy;
+	bool do_cache;
 	u32 itag = 0;
 
 	/* get a working reference to the output device */
@@ -1887,10 +1882,6 @@
 		}
 	}
 
-	no_policy = IN_DEV_ORCONF(in_dev, NOPOLICY);
-	if (no_policy)
-		IPCB(skb)->flags |= IPSKB_NOPOLICY;
-
 	fnhe = find_exception(nhc, daddr);
 	if (do_cache) {
 		if (fnhe)
@@ -1903,7 +1894,8 @@
 		}
 	}
 
-	rth = rt_dst_alloc(out_dev->dev, 0, res->type, no_policy,
+	rth = rt_dst_alloc(out_dev->dev, 0, res->type,
+			   IN_DEV_ORCONF(in_dev, NOPOLICY),
 			   IN_DEV_ORCONF(out_dev, NOXFRM));
 	if (!rth) {
 		err = -ENOBUFS;
@@ -2156,7 +2148,6 @@
 	struct rtable	*rth;
 	struct flowi4	fl4;
 	bool do_cache = true;
-	bool no_policy;
 
 	/* IP on this device is disabled. */
 
@@ -2274,10 +2265,6 @@
 	RT_CACHE_STAT_INC(in_brd);
 
 local_input:
-	no_policy = IN_DEV_ORCONF(in_dev, NOPOLICY);
-	if (no_policy)
-		IPCB(skb)->flags |= IPSKB_NOPOLICY;
-
 	do_cache &= res->fi && !itag;
 	if (do_cache) {
 		struct fib_nh_common *nhc = FIB_RES_NHC(*res);
@@ -2292,7 +2279,7 @@
 
 	rth = rt_dst_alloc(ip_rt_get_dev(net, res),
 			   flags | RTCF_LOCAL, res->type,
-			   no_policy, false);
+			   IN_DEV_ORCONF(in_dev, NOPOLICY), false);
 	if (!rth)
 		goto e_nobufs;
 
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 59ba518..3e3542b 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -36,7 +36,6 @@
 static int ip_local_port_range_max[] = { 65535, 65535 };
 static int tcp_adv_win_scale_min = -31;
 static int tcp_adv_win_scale_max = 31;
-static int tcp_app_win_max = 31;
 static int tcp_min_snd_mss_min = TCP_MIN_SND_MSS;
 static int tcp_min_snd_mss_max = 65535;
 static int ip_privileged_port_min;
@@ -540,30 +539,30 @@
 	{
 		.procname	= "icmp_echo_ignore_all",
 		.data		= &init_net.ipv4.sysctl_icmp_echo_ignore_all,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "icmp_echo_ignore_broadcasts",
 		.data		= &init_net.ipv4.sysctl_icmp_echo_ignore_broadcasts,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "icmp_ignore_bogus_error_responses",
 		.data		= &init_net.ipv4.sysctl_icmp_ignore_bogus_error_responses,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "icmp_errors_use_inbound_ifaddr",
 		.data		= &init_net.ipv4.sysctl_icmp_errors_use_inbound_ifaddr,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "icmp_ratelimit",
@@ -590,9 +589,9 @@
 	{
 		.procname	= "raw_l3mdev_accept",
 		.data		= &init_net.ipv4.sysctl_raw_l3mdev_accept,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
 	},
@@ -600,30 +599,30 @@
 	{
 		.procname	= "tcp_ecn",
 		.data		= &init_net.ipv4.sysctl_tcp_ecn,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_ecn_fallback",
 		.data		= &init_net.ipv4.sysctl_tcp_ecn_fallback,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "ip_dynaddr",
 		.data		= &init_net.ipv4.sysctl_ip_dynaddr,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "ip_early_demux",
 		.data		= &init_net.ipv4.sysctl_ip_early_demux,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname       = "udp_early_demux",
@@ -642,18 +641,18 @@
 	{
 		.procname       = "nexthop_compat_mode",
 		.data           = &init_net.ipv4.sysctl_nexthop_compat_mode,
-		.maxlen         = sizeof(u8),
+		.maxlen         = sizeof(int),
 		.mode           = 0644,
-		.proc_handler   = proc_dou8vec_minmax,
+		.proc_handler   = proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
 	},
 	{
 		.procname	= "ip_default_ttl",
 		.data		= &init_net.ipv4.sysctl_ip_default_ttl,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &ip_ttl_min,
 		.extra2		= &ip_ttl_max,
 	},
@@ -672,18 +671,25 @@
 		.proc_handler	= proc_do_large_bitmap,
 	},
 	{
+		.procname	= "ip_local_unbindable_ports",
+		.data		= &init_net.ipv4.sysctl_local_unbindable_ports,
+		.maxlen		= 65536,
+		.mode		= 0644,
+		.proc_handler	= proc_do_large_bitmap,
+	},
+	{
 		.procname	= "ip_no_pmtu_disc",
 		.data		= &init_net.ipv4.sysctl_ip_no_pmtu_disc,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "ip_forward_use_pmtu",
 		.data		= &init_net.ipv4.sysctl_ip_fwd_use_pmtu,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname	= "ip_forward_update_priority",
@@ -697,40 +703,40 @@
 	{
 		.procname	= "ip_nonlocal_bind",
 		.data		= &init_net.ipv4.sysctl_ip_nonlocal_bind,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "ip_autobind_reuse",
 		.data		= &init_net.ipv4.sysctl_ip_autobind_reuse,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1         = SYSCTL_ZERO,
 		.extra2         = SYSCTL_ONE,
 	},
 	{
 		.procname	= "fwmark_reflect",
 		.data		= &init_net.ipv4.sysctl_fwmark_reflect,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname	= "tcp_fwmark_accept",
 		.data		= &init_net.ipv4.sysctl_tcp_fwmark_accept,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 #ifdef CONFIG_NET_L3_MASTER_DEV
 	{
 		.procname	= "tcp_l3mdev_accept",
 		.data		= &init_net.ipv4.sysctl_tcp_l3mdev_accept,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
 	},
@@ -738,9 +744,9 @@
 	{
 		.procname	= "tcp_mtu_probing",
 		.data		= &init_net.ipv4.sysctl_tcp_mtu_probing,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname	= "tcp_base_mss",
@@ -842,9 +848,9 @@
 	{
 		.procname	= "tcp_keepalive_probes",
 		.data		= &init_net.ipv4.sysctl_tcp_keepalive_probes,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_keepalive_intvl",
@@ -856,38 +862,29 @@
 	{
 		.procname	= "tcp_syn_retries",
 		.data		= &init_net.ipv4.sysctl_tcp_syn_retries,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &tcp_syn_retries_min,
 		.extra2		= &tcp_syn_retries_max
 	},
 	{
 		.procname	= "tcp_synack_retries",
 		.data		= &init_net.ipv4.sysctl_tcp_synack_retries,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 #ifdef CONFIG_SYN_COOKIES
 	{
 		.procname	= "tcp_syncookies",
 		.data		= &init_net.ipv4.sysctl_tcp_syncookies,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 #endif
 	{
-		.procname	= "tcp_migrate_req",
-		.data		= &init_net.ipv4.sysctl_tcp_migrate_req,
-		.maxlen		= sizeof(u8),
-		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
-		.extra1		= SYSCTL_ZERO,
-		.extra2		= SYSCTL_ONE
-	},
-	{
 		.procname	= "tcp_reordering",
 		.data		= &init_net.ipv4.sysctl_tcp_reordering,
 		.maxlen		= sizeof(int),
@@ -897,24 +894,24 @@
 	{
 		.procname	= "tcp_retries1",
 		.data		= &init_net.ipv4.sysctl_tcp_retries1,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra2		= &tcp_retr1_max
 	},
 	{
 		.procname	= "tcp_retries2",
 		.data		= &init_net.ipv4.sysctl_tcp_retries2,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_orphan_retries",
 		.data		= &init_net.ipv4.sysctl_tcp_orphan_retries,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_fin_timeout",
@@ -933,9 +930,9 @@
 	{
 		.procname	= "tcp_tw_reuse",
 		.data		= &init_net.ipv4.sysctl_tcp_tw_reuse,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= &two,
 	},
@@ -1021,88 +1018,88 @@
 	{
 		.procname	= "tcp_sack",
 		.data		= &init_net.ipv4.sysctl_tcp_sack,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_window_scaling",
 		.data		= &init_net.ipv4.sysctl_tcp_window_scaling,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_timestamps",
 		.data		= &init_net.ipv4.sysctl_tcp_timestamps,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_early_retrans",
 		.data		= &init_net.ipv4.sysctl_tcp_early_retrans,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= &four,
 	},
 	{
 		.procname	= "tcp_recovery",
 		.data		= &init_net.ipv4.sysctl_tcp_recovery,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname       = "tcp_thin_linear_timeouts",
 		.data           = &init_net.ipv4.sysctl_tcp_thin_linear_timeouts,
-		.maxlen         = sizeof(u8),
+		.maxlen         = sizeof(int),
 		.mode           = 0644,
-		.proc_handler   = proc_dou8vec_minmax,
+		.proc_handler   = proc_dointvec
 	},
 	{
 		.procname	= "tcp_slow_start_after_idle",
 		.data		= &init_net.ipv4.sysctl_tcp_slow_start_after_idle,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_retrans_collapse",
 		.data		= &init_net.ipv4.sysctl_tcp_retrans_collapse,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_stdurg",
 		.data		= &init_net.ipv4.sysctl_tcp_stdurg,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_rfc1337",
 		.data		= &init_net.ipv4.sysctl_tcp_rfc1337,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_abort_on_overflow",
 		.data		= &init_net.ipv4.sysctl_tcp_abort_on_overflow,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_fack",
 		.data		= &init_net.ipv4.sysctl_tcp_fack,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_max_reordering",
@@ -1114,18 +1111,16 @@
 	{
 		.procname	= "tcp_dsack",
 		.data		= &init_net.ipv4.sysctl_tcp_dsack,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_app_win",
 		.data		= &init_net.ipv4.sysctl_tcp_app_win,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
-		.extra1		= SYSCTL_ZERO,
-		.extra2		= &tcp_app_win_max,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_adv_win_scale",
@@ -1139,46 +1134,46 @@
 	{
 		.procname	= "tcp_frto",
 		.data		= &init_net.ipv4.sysctl_tcp_frto,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_no_metrics_save",
 		.data		= &init_net.ipv4.sysctl_tcp_nometrics_save,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname	= "tcp_no_ssthresh_metrics_save",
 		.data		= &init_net.ipv4.sysctl_tcp_no_ssthresh_metrics_save,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
 	},
 	{
 		.procname	= "tcp_moderate_rcvbuf",
 		.data		= &init_net.ipv4.sysctl_tcp_moderate_rcvbuf,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname	= "tcp_tso_win_divisor",
 		.data		= &init_net.ipv4.sysctl_tcp_tso_win_divisor,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname	= "tcp_workaround_signed_windows",
 		.data		= &init_net.ipv4.sysctl_tcp_workaround_signed_windows,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.procname	= "tcp_limit_output_bytes",
@@ -1197,9 +1192,9 @@
 	{
 		.procname	= "tcp_min_tso_segs",
 		.data		= &init_net.ipv4.sysctl_tcp_min_tso_segs,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ONE,
 	},
 	{
@@ -1214,9 +1209,9 @@
 	{
 		.procname	= "tcp_autocorking",
 		.data		= &init_net.ipv4.sysctl_tcp_autocorking,
-		.maxlen		= sizeof(u8),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dou8vec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
 	},
@@ -1287,9 +1282,9 @@
 	{
 		.procname       = "tcp_reflect_tos",
 		.data           = &init_net.ipv4.sysctl_tcp_reflect_tos,
-		.maxlen         = sizeof(u8),
+		.maxlen         = sizeof(int),
 		.mode           = 0644,
-		.proc_handler   = proc_dou8vec_minmax,
+		.proc_handler   = proc_dointvec_minmax,
 		.extra1         = SYSCTL_ZERO,
 		.extra2         = SYSCTL_ONE,
 	},
@@ -1345,11 +1340,17 @@
 
 	net->ipv4.sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL);
 	if (!net->ipv4.sysctl_local_reserved_ports)
-		goto err_ports;
+		goto err_reserved_ports;
+
+	net->ipv4.sysctl_local_unbindable_ports = kzalloc(65536 / 8, GFP_KERNEL);
+	if (!net->ipv4.sysctl_local_unbindable_ports)
+		goto err_unbindable_ports;
 
 	return 0;
 
-err_ports:
+err_unbindable_ports:
+	kfree(net->ipv4.sysctl_local_reserved_ports);
+err_reserved_ports:
 	unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
 err_reg:
 	if (!net_eq(net, &init_net))
@@ -1362,6 +1363,7 @@
 {
 	struct ctl_table *table;
 
+	kfree(net->ipv4.sysctl_local_unbindable_ports);
 	kfree(net->ipv4.sysctl_local_reserved_ports);
 	table = net->ipv4.ipv4_hdr->ctl_table_arg;
 	unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 3dd9b76..8c9eed9 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2748,12 +2748,6 @@
 	int old_state = sk->sk_state;
 	u32 seq;
 
-	/* Deny disconnect if other threads are blocked in sk_wait_event()
-	 * or inet_wait_for_connect().
-	 */
-	if (sk->sk_wait_pending)
-		return -EBUSY;
-
 	if (old_state != TCP_CLOSE)
 		tcp_set_state(sk, TCP_CLOSE);
 
@@ -3072,7 +3066,7 @@
 		return -EINVAL;
 
 	lock_sock(sk);
-	WRITE_ONCE(inet_csk(sk)->icsk_syn_retries, val);
+	inet_csk(sk)->icsk_syn_retries = val;
 	release_sock(sk);
 	return 0;
 }
@@ -3337,7 +3331,7 @@
 		if (val < 1 || val > MAX_TCP_SYNCNT)
 			err = -EINVAL;
 		else
-			WRITE_ONCE(icsk->icsk_syn_retries, val);
+			icsk->icsk_syn_retries = val;
 		break;
 
 	case TCP_SAVE_SYN:
@@ -3743,8 +3737,7 @@
 		val = keepalive_probes(tp);
 		break;
 	case TCP_SYNCNT:
-		val = READ_ONCE(icsk->icsk_syn_retries) ? :
-			READ_ONCE(net->ipv4.sysctl_tcp_syn_retries);
+		val = icsk->icsk_syn_retries ? : net->ipv4.sysctl_tcp_syn_retries;
 		break;
 	case TCP_LINGER2:
 		val = READ_ONCE(tp->linger2);
@@ -3974,8 +3967,6 @@
 			return -EFAULT;
 		lock_sock(sk);
 		err = tcp_zerocopy_receive(sk, &zc);
-		err = BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sk, level, optname,
-							  &zc, &len, err);
 		release_sock(sk);
 		if (len >= offsetofend(struct tcp_zerocopy_receive, err))
 			goto zerocopy_rcv_sk_err;
@@ -4010,18 +4001,6 @@
 	return 0;
 }
 
-bool tcp_bpf_bypass_getsockopt(int level, int optname)
-{
-	/* TCP do_tcp_getsockopt has optimized getsockopt implementation
-	 * to avoid extra socket lock for TCP_ZEROCOPY_RECEIVE.
-	 */
-	if (level == SOL_TCP && optname == TCP_ZEROCOPY_RECEIVE)
-		return true;
-
-	return false;
-}
-EXPORT_SYMBOL(tcp_bpf_bypass_getsockopt);
-
 int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval,
 		   int __user *optlen)
 {
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 0f9fe5e..dc732f2 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -80,6 +80,7 @@
 #include <linux/jump_label_ratelimit.h>
 #include <net/busy_poll.h>
 #include <net/mptcp.h>
+#include <trace/hooks/net.h>
 
 int sysctl_tcp_max_orphans __read_mostly = NR_FILE;
 
@@ -4695,6 +4696,7 @@
 
 static void tcp_drop(struct sock *sk, struct sk_buff *skb)
 {
+	trace_android_vh_kfree_skb(skb);
 	sk_drops_add(sk, skb);
 	__kfree_skb(skb);
 }
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7a94acb..fc35b58 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -91,8 +91,6 @@
 struct inet_hashinfo tcp_hashinfo;
 EXPORT_SYMBOL(tcp_hashinfo);
 
-static DEFINE_PER_CPU(struct sock *, ipv4_tcp_sk);
-
 static u32 tcp_v4_init_seq(const struct sk_buff *skb)
 {
 	return secure_tcp_seq(ip_hdr(skb)->daddr,
@@ -796,18 +794,13 @@
 	arg.tos = ip_hdr(skb)->tos;
 	arg.uid = sock_net_uid(net, sk && sk_fullsock(sk) ? sk : NULL);
 	local_bh_disable();
-	ctl_sk = this_cpu_read(ipv4_tcp_sk);
-	sock_net_set(ctl_sk, net);
+	ctl_sk = this_cpu_read(*net->ipv4.tcp_sk);
 	if (sk) {
 		ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
 				   inet_twsk(sk)->tw_mark : sk->sk_mark;
 		ctl_sk->sk_priority = (sk->sk_state == TCP_TIME_WAIT) ?
 				   inet_twsk(sk)->tw_priority : sk->sk_priority;
 		transmit_time = tcp_transmit_time(sk);
-		xfrm_sk_clone_policy(ctl_sk, sk);
-	} else {
-		ctl_sk->sk_mark = 0;
-		ctl_sk->sk_priority = 0;
 	}
 	ip_send_unicast_reply(ctl_sk,
 			      skb, &TCP_SKB_CB(skb)->header.h4.opt,
@@ -815,8 +808,7 @@
 			      &arg, arg.iov[0].iov_len,
 			      transmit_time);
 
-	xfrm_sk_free_policy(ctl_sk);
-	sock_net_set(ctl_sk, &init_net);
+	ctl_sk->sk_mark = 0;
 	__TCP_INC_STATS(net, TCP_MIB_OUTSEGS);
 	__TCP_INC_STATS(net, TCP_MIB_OUTRSTS);
 	local_bh_enable();
@@ -900,8 +892,7 @@
 	arg.tos = tos;
 	arg.uid = sock_net_uid(net, sk_fullsock(sk) ? sk : NULL);
 	local_bh_disable();
-	ctl_sk = this_cpu_read(ipv4_tcp_sk);
-	sock_net_set(ctl_sk, net);
+	ctl_sk = this_cpu_read(*net->ipv4.tcp_sk);
 	ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
 			   inet_twsk(sk)->tw_mark : sk->sk_mark;
 	ctl_sk->sk_priority = (sk->sk_state == TCP_TIME_WAIT) ?
@@ -913,7 +904,7 @@
 			      &arg, arg.iov[0].iov_len,
 			      transmit_time);
 
-	sock_net_set(ctl_sk, &init_net);
+	ctl_sk->sk_mark = 0;
 	__TCP_INC_STATS(net, TCP_MIB_OUTSEGS);
 	local_bh_enable();
 }
@@ -2806,7 +2797,6 @@
 	.shutdown		= tcp_shutdown,
 	.setsockopt		= tcp_setsockopt,
 	.getsockopt		= tcp_getsockopt,
-	.bpf_bypass_getsockopt	= tcp_bpf_bypass_getsockopt,
 	.keepalive		= tcp_set_keepalive,
 	.recvmsg		= tcp_recvmsg,
 	.sendmsg		= tcp_sendmsg,
@@ -2839,14 +2829,41 @@
 
 static void __net_exit tcp_sk_exit(struct net *net)
 {
+	int cpu;
+
 	if (net->ipv4.tcp_congestion_control)
 		bpf_module_put(net->ipv4.tcp_congestion_control,
 			       net->ipv4.tcp_congestion_control->owner);
+
+	for_each_possible_cpu(cpu)
+		inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.tcp_sk, cpu));
+	free_percpu(net->ipv4.tcp_sk);
 }
 
 static int __net_init tcp_sk_init(struct net *net)
 {
-	int cnt;
+	int res, cpu, cnt;
+
+	net->ipv4.tcp_sk = alloc_percpu(struct sock *);
+	if (!net->ipv4.tcp_sk)
+		return -ENOMEM;
+
+	for_each_possible_cpu(cpu) {
+		struct sock *sk;
+
+		res = inet_ctl_sock_create(&sk, PF_INET, SOCK_RAW,
+					   IPPROTO_TCP, net);
+		if (res)
+			goto fail;
+		sock_set_flag(sk, SOCK_USE_WRITE_QUEUE);
+
+		/* Please enforce IP_DF and IPID==0 for RST and
+		 * ACK sent in SYN-RECV and TIME-WAIT state.
+		 */
+		inet_sk(sk)->pmtudisc = IP_PMTUDISC_DO;
+
+		*per_cpu_ptr(net->ipv4.tcp_sk, cpu) = sk;
+	}
 
 	net->ipv4.sysctl_tcp_ecn = 2;
 	net->ipv4.sysctl_tcp_ecn_fallback = 1;
@@ -2931,6 +2948,10 @@
 		net->ipv4.tcp_congestion_control = &tcp_reno;
 
 	return 0;
+fail:
+	tcp_sk_exit(net);
+
+	return res;
 }
 
 static void __net_exit tcp_sk_exit_batch(struct list_head *net_exit_list)
@@ -3007,24 +3028,6 @@
 
 void __init tcp_v4_init(void)
 {
-	int cpu, res;
-
-	for_each_possible_cpu(cpu) {
-		struct sock *sk;
-
-		res = inet_ctl_sock_create(&sk, PF_INET, SOCK_RAW,
-					   IPPROTO_TCP, &init_net);
-		if (res)
-			panic("Failed to create the TCP control socket.\n");
-		sock_set_flag(sk, SOCK_USE_WRITE_QUEUE);
-
-		/* Please enforce IP_DF and IPID==0 for RST and
-		 * ACK sent in SYN-RECV and TIME-WAIT state.
-		 */
-		inet_sk(sk)->pmtudisc = IP_PMTUDISC_DO;
-
-		per_cpu(ipv4_tcp_sk, cpu) = sk;
-	}
 	if (register_pernet_subsys(&tcp_sk_ops))
 		panic("Failed to create the TCP control socket.\n");
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index f0df147..3541927 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1558,7 +1558,7 @@
 		return -ENOMEM;
 	}
 
-	if (skb_unclone(skb, gfp))
+	if (skb_unclone_keeptruesize(skb, gfp))
 		return -ENOMEM;
 
 	/* Get a new skb... force flag on. */
@@ -1667,7 +1667,7 @@
 {
 	u32 delta_truesize;
 
-	if (skb_unclone(skb, GFP_ATOMIC))
+	if (skb_unclone_keeptruesize(skb, GFP_ATOMIC))
 		return -ENOMEM;
 
 	delta_truesize = __pskb_trim_head(skb, len);
@@ -1882,13 +1882,13 @@
 	 * chose to not update tp->max_packets_out to avoid an extra else
 	 * clause with no functional impact.)
 	 */
-	if (!before(tp->snd_una, tp->cwnd_usage_seq) ||
+	if (!before(tp->snd_una, tp->max_packets_seq) ||
 	    is_cwnd_limited ||
 	    (!tp->is_cwnd_limited &&
 	     tp->packets_out > tp->max_packets_out)) {
 		tp->is_cwnd_limited = is_cwnd_limited;
 		tp->max_packets_out = tp->packets_out;
-		tp->cwnd_usage_seq = tp->snd_nxt;
+		tp->max_packets_seq= tp->snd_nxt;
 	}
 
 	if (tcp_is_cwnd_limited(sk)) {
@@ -3214,7 +3214,7 @@
 				 cur_mss, GFP_ATOMIC))
 			return -ENOMEM; /* We'll try again later. */
 	} else {
-		if (skb_unclone(skb, GFP_ATOMIC))
+		if (skb_unclone_keeptruesize(skb, GFP_ATOMIC))
 			return -ENOMEM;
 
 		diff = tcp_skb_pcount(skb);
diff --git a/net/ipv4/tcp_rate.c b/net/ipv4/tcp_rate.c
index 6ab1979..0de6935 100644
--- a/net/ipv4/tcp_rate.c
+++ b/net/ipv4/tcp_rate.c
@@ -73,31 +73,26 @@
  *
  * If an ACK (s)acks multiple skbs (e.g., stretched-acks), this function is
  * called multiple times. We favor the information from the most recently
- * sent skb, i.e., the skb with the most recently sent time and the highest
- * sequence.
+ * sent skb, i.e., the skb with the highest prior_delivered count.
  */
 void tcp_rate_skb_delivered(struct sock *sk, struct sk_buff *skb,
 			    struct rate_sample *rs)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct tcp_skb_cb *scb = TCP_SKB_CB(skb);
-	u64 tx_tstamp;
 
 	if (!scb->tx.delivered_mstamp)
 		return;
 
-	tx_tstamp = tcp_skb_timestamp_us(skb);
 	if (!rs->prior_delivered ||
-	    tcp_skb_sent_after(tx_tstamp, tp->first_tx_mstamp,
-			       scb->end_seq, rs->last_end_seq)) {
+	    after(scb->tx.delivered, rs->prior_delivered)) {
 		rs->prior_delivered  = scb->tx.delivered;
 		rs->prior_mstamp     = scb->tx.delivered_mstamp;
 		rs->is_app_limited   = scb->tx.is_app_limited;
 		rs->is_retrans	     = scb->sacked & TCPCB_RETRANS;
-		rs->last_end_seq     = scb->end_seq;
 
 		/* Record send time of most recently ACKed packet: */
-		tp->first_tx_mstamp  = tx_tstamp;
+		tp->first_tx_mstamp  = tcp_skb_timestamp_us(skb);
 		/* Find the duration of the "send phase" of this window: */
 		rs->interval_us = tcp_stamp_us_delta(tp->first_tx_mstamp,
 						     scb->tx.first_tx_mstamp);
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 5c7e109..3d01126 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -239,8 +239,7 @@
 	if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) {
 		if (icsk->icsk_retransmits)
 			__dst_negative_advice(sk);
-		retry_until = icsk->icsk_syn_retries ? :
-			READ_ONCE(net->ipv4.sysctl_tcp_syn_retries);
+		retry_until = icsk->icsk_syn_retries ? : net->ipv4.sysctl_tcp_syn_retries;
 		expired = icsk->icsk_retransmits >= retry_until;
 	} else {
 		if (retransmits_timed_out(sk, READ_ONCE(net->ipv4.sysctl_tcp_retries1), 0)) {
@@ -407,15 +406,12 @@
 static void tcp_fastopen_synack_timer(struct sock *sk, struct request_sock *req)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
+	int max_retries = icsk->icsk_syn_retries ? :
+	    sock_net(sk)->ipv4.sysctl_tcp_synack_retries + 1; /* add one more retry for fastopen */
 	struct tcp_sock *tp = tcp_sk(sk);
-	int max_retries;
 
 	req->rsk_ops->syn_ack_timeout(req);
 
-	/* add one more retry for fastopen */
-	max_retries = icsk->icsk_syn_retries ? :
-		READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_synack_retries) + 1;
-
 	if (req->num_timeout >= max_retries) {
 		tcp_write_err(sk);
 		return;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 79787a1..cfad33e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -90,6 +90,8 @@
 #include <linux/seq_file.h>
 #include <linux/export.h>
 
+#include <trace/hooks/ipv6.h>
+
 #define	INFINITY_LIFE_TIME	0xFFFFFFFF
 
 #define IPV6_MAX_STRLEN \
@@ -207,7 +209,6 @@
 	.accept_ra_defrtr	= 1,
 	.accept_ra_from_local	= 0,
 	.accept_ra_min_hop_limit= 1,
-	.accept_ra_min_lft	= 0,
 	.accept_ra_pinfo	= 1,
 #ifdef CONFIG_IPV6_ROUTER_PREF
 	.accept_ra_rtr_pref	= 1,
@@ -217,6 +218,7 @@
 	.accept_ra_rt_info_max_plen = 0,
 #endif
 #endif
+	.accept_ra_rt_table	= 0,
 	.proxy_ndp		= 0,
 	.accept_source_route	= 0,	/* we do not accept RH0 by default. */
 	.disable_ipv6		= 0,
@@ -263,7 +265,6 @@
 	.accept_ra_defrtr	= 1,
 	.accept_ra_from_local	= 0,
 	.accept_ra_min_hop_limit= 1,
-	.accept_ra_min_lft	= 0,
 	.accept_ra_pinfo	= 1,
 #ifdef CONFIG_IPV6_ROUTER_PREF
 	.accept_ra_rtr_pref	= 1,
@@ -273,6 +274,7 @@
 	.accept_ra_rt_info_max_plen = 0,
 #endif
 #endif
+	.accept_ra_rt_table	= 0,
 	.proxy_ndp		= 0,
 	.accept_source_route	= 0,	/* we do not accept RH0 by default. */
 	.disable_ipv6		= 0,
@@ -2385,6 +2387,26 @@
 		goto regen;
 }
 
+u32 addrconf_rt_table(const struct net_device *dev, u32 default_table)
+{
+	struct inet6_dev *idev = in6_dev_get(dev);
+	int sysctl;
+	u32 table;
+
+	if (!idev)
+		return default_table;
+	sysctl = idev->cnf.accept_ra_rt_table;
+	if (sysctl == 0) {
+		table = default_table;
+	} else if (sysctl > 0) {
+		table = (u32) sysctl;
+	} else {
+		table = (unsigned) dev->ifindex + (-sysctl);
+	}
+	in6_dev_put(idev);
+	return table;
+}
+
 /*
  *	Add prefix route.
  */
@@ -2395,7 +2417,7 @@
 		      u32 flags, gfp_t gfp_flags)
 {
 	struct fib6_config cfg = {
-		.fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_PREFIX,
+		.fc_table = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_PREFIX),
 		.fc_metric = metric ? : IP6_RT_PRIO_ADDRCONF,
 		.fc_ifindex = dev->ifindex,
 		.fc_expires = expires,
@@ -2430,7 +2452,7 @@
 	struct fib6_node *fn;
 	struct fib6_info *rt = NULL;
 	struct fib6_table *table;
-	u32 tb_id = l3mdev_fib_table(dev) ? : RT6_TABLE_PREFIX;
+	u32 tb_id = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_PREFIX);
 
 	table = fib6_get_table(dev_net(dev), tb_id);
 	if (!table)
@@ -2726,9 +2748,6 @@
 		return;
 	}
 
-	if (valid_lft != 0 && valid_lft < in6_dev->cnf.accept_ra_min_lft)
-		goto put;
-
 	/*
 	 *	Two things going on here:
 	 *	1) Add routes for on-link prefixes
@@ -3355,6 +3374,7 @@
 static void addrconf_dev_config(struct net_device *dev)
 {
 	struct inet6_dev *idev;
+	bool ret = false;
 
 	ASSERT_RTNL();
 
@@ -3382,6 +3402,10 @@
 	if (IS_ERR(idev))
 		return;
 
+	trace_android_vh_ipv6_gen_linklocal_addr(dev, &ret);
+	if (ret)
+		return;
+
 	/* this device type has no EUI support */
 	if (dev->type == ARPHRD_NONE &&
 	    idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_EUI64)
@@ -5564,7 +5588,6 @@
 	array[DEVCONF_DISABLE_POLICY] = cnf->disable_policy;
 	array[DEVCONF_NDISC_TCLASS] = cnf->ndisc_tclass;
 	array[DEVCONF_RPL_SEG_ENABLED] = cnf->rpl_seg_enabled;
-	array[DEVCONF_ACCEPT_RA_MIN_LFT] = cnf->accept_ra_min_lft;
 }
 
 static inline size_t inet6_ifla6_size(void)
@@ -6719,13 +6742,6 @@
 		.proc_handler	= proc_dointvec,
 	},
 	{
-		.procname	= "accept_ra_min_lft",
-		.data		= &ipv6_devconf.accept_ra_min_lft,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-	{
 		.procname	= "accept_ra_pinfo",
 		.data		= &ipv6_devconf.accept_ra_pinfo,
 		.maxlen		= sizeof(int),
@@ -6765,6 +6781,13 @@
 #endif
 #endif
 	{
+		.procname	= "accept_ra_rt_table",
+		.data		= &ipv6_devconf.accept_ra_rt_table,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{
 		.procname	= "proxy_ndp",
 		.data		= &ipv6_devconf.proxy_ndp,
 		.maxlen		= sizeof(int),
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 4247997..68e487a 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -302,6 +302,8 @@
 		return -EINVAL;
 
 	snum = ntohs(addr->sin6_port);
+	if (snum && inet_is_local_unbindable_port(net, snum))
+		return -EPERM;
 	if (snum && inet_port_requires_bind_service(net, snum) &&
 	    !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
 		return -EACCES;
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 080ee7f4..440080d 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -316,7 +316,7 @@
 	}
 
 	kfree(AH_SKB_CB(skb)->tmp);
-	xfrm_output_resume(skb->sk, skb, err);
+	xfrm_output_resume(skb, err);
 }
 
 static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index fddc811..7f237d0 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -314,7 +314,7 @@
 		    x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
 			esp_output_tail_tcp(x, skb);
 		else
-			xfrm_output_resume(skb->sk, skb, err);
+			xfrm_output_resume(skb, err);
 	}
 }
 
@@ -484,6 +484,10 @@
 	struct sk_buff *trailer;
 	int tailen = esp->tailen;
 
+	if (ALIGN(tailen, L1_CACHE_BYTES) > PAGE_SIZE ||
+	    ALIGN(skb->data_len, L1_CACHE_BYTES) > PAGE_SIZE)
+		goto cow;
+
 	if (x->encap) {
 		int err = esp6_output_encap(x, skb, esp);
 
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 14251347..ac1e510 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1269,14 +1269,6 @@
 		goto skip_defrtr;
 	}
 
-	lifetime = ntohs(ra_msg->icmph.icmp6_rt_lifetime);
-	if (lifetime != 0 && lifetime < in6_dev->cnf.accept_ra_min_lft) {
-		ND_PRINTK(2, info,
-			  "RA: router lifetime (%ds) is too short: %s\n",
-			  lifetime, skb->dev->name);
-		goto skip_defrtr;
-	}
-
 	/* Do not accept RA with source-addr found on local machine unless
 	 * accept_ra_from_local is set to true.
 	 */
@@ -1289,6 +1281,8 @@
 		goto skip_defrtr;
 	}
 
+	lifetime = ntohs(ra_msg->icmph.icmp6_rt_lifetime);
+
 #ifdef CONFIG_IPV6_ROUTER_PREF
 	pref = ra_msg->icmph.icmp6_router_pref;
 	/* 10b is handled as if it were 00b (medium) */
@@ -1459,9 +1453,6 @@
 			if (ri->prefix_len == 0 &&
 			    !in6_dev->cnf.accept_ra_defrtr)
 				continue;
-			if (ri->lifetime != 0 &&
-			    ntohl(ri->lifetime) < in6_dev->cnf.accept_ra_min_lft)
-				continue;
 			if (ri->prefix_len < in6_dev->cnf.accept_ra_rt_info_min_plen)
 				continue;
 			if (ri->prefix_len > in6_dev->cnf.accept_ra_rt_info_max_plen)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b23e42e..9b9f72d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -89,7 +89,7 @@
 static void		ip6_dst_destroy(struct dst_entry *);
 static void		ip6_dst_ifdown(struct dst_entry *,
 				       struct net_device *dev, int how);
-static void		 ip6_dst_gc(struct dst_ops *ops);
+static int		 ip6_dst_gc(struct dst_ops *ops);
 
 static int		ip6_pkt_discard(struct sk_buff *skb);
 static int		ip6_pkt_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb);
@@ -3184,30 +3184,32 @@
 	return dst;
 }
 
-static void ip6_dst_gc(struct dst_ops *ops)
+static int ip6_dst_gc(struct dst_ops *ops)
 {
 	struct net *net = container_of(ops, struct net, ipv6.ip6_dst_ops);
 	int rt_min_interval = net->ipv6.sysctl.ip6_rt_gc_min_interval;
+	int rt_max_size = net->ipv6.sysctl.ip6_rt_max_size;
 	int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity;
 	int rt_gc_timeout = net->ipv6.sysctl.ip6_rt_gc_timeout;
 	unsigned long rt_last_gc = net->ipv6.ip6_rt_last_gc;
-	unsigned int val;
 	int entries;
 
 	entries = dst_entries_get_fast(ops);
-	if (entries > ops->gc_thresh)
+	if (entries > rt_max_size)
 		entries = dst_entries_get_slow(ops);
 
-	if (time_after(rt_last_gc + rt_min_interval, jiffies))
+	if (time_after(rt_last_gc + rt_min_interval, jiffies) &&
+	    entries <= rt_max_size)
 		goto out;
 
-	fib6_run_gc(atomic_inc_return(&net->ipv6.ip6_rt_gc_expire), net, true);
+	net->ipv6.ip6_rt_gc_expire++;
+	fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net, true);
 	entries = dst_entries_get_slow(ops);
 	if (entries < ops->gc_thresh)
-		atomic_set(&net->ipv6.ip6_rt_gc_expire, rt_gc_timeout >> 1);
+		net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1;
 out:
-	val = atomic_read(&net->ipv6.ip6_rt_gc_expire);
-	atomic_set(&net->ipv6.ip6_rt_gc_expire, val - (val >> rt_elasticity));
+	net->ipv6.ip6_rt_gc_expire -= net->ipv6.ip6_rt_gc_expire>>rt_elasticity;
+	return entries > rt_max_size;
 }
 
 static int ip6_nh_lookup_table(struct net *net, struct fib6_config *cfg,
@@ -4163,7 +4165,7 @@
 					   const struct in6_addr *gwaddr,
 					   struct net_device *dev)
 {
-	u32 tb_id = l3mdev_fib_table(dev) ? : RT6_TABLE_INFO;
+	u32 tb_id = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_INFO);
 	int ifindex = dev->ifindex;
 	struct fib6_node *fn;
 	struct fib6_info *rt = NULL;
@@ -4217,7 +4219,7 @@
 		.fc_nlinfo.nl_net = net,
 	};
 
-	cfg.fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_INFO;
+	cfg.fc_table = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_INFO);
 	cfg.fc_dst = *prefix;
 	cfg.fc_gateway = *gwaddr;
 
@@ -4235,7 +4237,7 @@
 				     const struct in6_addr *addr,
 				     struct net_device *dev)
 {
-	u32 tb_id = l3mdev_fib_table(dev) ? : RT6_TABLE_DFLT;
+	u32 tb_id = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_DFLT);
 	struct fib6_info *rt;
 	struct fib6_table *table;
 
@@ -4269,7 +4271,7 @@
 				     unsigned int pref)
 {
 	struct fib6_config cfg = {
-		.fc_table	= l3mdev_fib_table(dev) ? : RT6_TABLE_DFLT,
+		.fc_table	= l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_DFLT),
 		.fc_metric	= IP6_RT_PRIO_USER,
 		.fc_ifindex	= dev->ifindex,
 		.fc_flags	= RTF_GATEWAY | RTF_ADDRCONF | RTF_DEFAULT |
@@ -4294,47 +4296,24 @@
 	return rt6_get_dflt_router(net, gwaddr, dev);
 }
 
-static void __rt6_purge_dflt_routers(struct net *net,
-				     struct fib6_table *table)
+static int rt6_addrconf_purge(struct fib6_info *rt, void *arg)
 {
-	struct fib6_info *rt;
+	struct net_device *dev = fib6_info_nh_dev(rt);
+	struct inet6_dev *idev = dev ? __in6_dev_get(dev) : NULL;
 
-restart:
-	rcu_read_lock();
-	for_each_fib6_node_rt_rcu(&table->tb6_root) {
-		struct net_device *dev = fib6_info_nh_dev(rt);
-		struct inet6_dev *idev = dev ? __in6_dev_get(dev) : NULL;
-
-		if (rt->fib6_flags & (RTF_DEFAULT | RTF_ADDRCONF) &&
-		    (!idev || idev->cnf.accept_ra != 2) &&
-		    fib6_info_hold_safe(rt)) {
-			rcu_read_unlock();
-			ip6_del_rt(net, rt, false);
-			goto restart;
-		}
+	if (rt->fib6_flags & (RTF_DEFAULT | RTF_ADDRCONF) &&
+	    (!idev || idev->cnf.accept_ra != 2)) {
+		/* Delete this route. See fib6_clean_tree() */
+		return -1;
 	}
-	rcu_read_unlock();
 
-	table->flags &= ~RT6_TABLE_HAS_DFLT_ROUTER;
+	/* Continue walking */
+	return 0;
 }
 
 void rt6_purge_dflt_routers(struct net *net)
 {
-	struct fib6_table *table;
-	struct hlist_head *head;
-	unsigned int h;
-
-	rcu_read_lock();
-
-	for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
-		head = &net->ipv6.fib_table_hash[h];
-		hlist_for_each_entry_rcu(table, head, tb6_hlist) {
-			if (table->flags & RT6_TABLE_HAS_DFLT_ROUTER)
-				__rt6_purge_dflt_routers(net, table);
-		}
-	}
-
-	rcu_read_unlock();
+	fib6_clean_all(net, rt6_addrconf_purge, NULL);
 }
 
 static void rtmsg_to_fib6_config(struct net *net,
@@ -6360,7 +6339,7 @@
 #endif
 
 	net->ipv6.sysctl.flush_delay = 0;
-	net->ipv6.sysctl.ip6_rt_max_size = INT_MAX;
+	net->ipv6.sysctl.ip6_rt_max_size = 4096;
 	net->ipv6.sysctl.ip6_rt_gc_min_interval = HZ / 2;
 	net->ipv6.sysctl.ip6_rt_gc_timeout = 60*HZ;
 	net->ipv6.sysctl.ip6_rt_gc_interval = 30*HZ;
@@ -6369,7 +6348,7 @@
 	net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
 	net->ipv6.sysctl.skip_notify_on_dev_down = 0;
 
-	atomic_set(&net->ipv6.ip6_rt_gc_expire, 30*HZ);
+	net->ipv6.ip6_rt_gc_expire = 30*HZ;
 
 	ret = 0;
 out:
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 79d6f6ea3..a68f75d 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -984,10 +984,7 @@
 	 * Underlying function will use this to retrieve the network
 	 * namespace
 	 */
-	if (sk && sk->sk_state != TCP_TIME_WAIT)
-		dst = ip6_dst_lookup_flow(net, sk, &fl6, NULL); /*sk's xfrm_policy can be referred*/
-	else
-		dst = ip6_dst_lookup_flow(net, ctl_sk, &fl6, NULL);
+	dst = ip6_dst_lookup_flow(sock_net(ctl_sk), ctl_sk, &fl6, NULL);
 	if (!IS_ERR(dst)) {
 		skb_dst_set(buff, dst);
 		ip6_xmit(ctl_sk, buff, &fl6, fl6.flowi6_mark, NULL,
@@ -2135,7 +2132,6 @@
 	.shutdown		= tcp_shutdown,
 	.setsockopt		= tcp_setsockopt,
 	.getsockopt		= tcp_getsockopt,
-	.bpf_bypass_getsockopt	= tcp_bpf_bypass_getsockopt,
 	.keepalive		= tcp_set_keepalive,
 	.recvmsg		= tcp_recvmsg,
 	.sendmsg		= tcp_sendmsg,
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 8bf70ce..fac2717 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -1476,6 +1476,29 @@
 	  If you want to compile it as a module, say M here and read
 	  <file:Documentation/kbuild/modules.rst>.  If unsure, say `N'.
 
+config NETFILTER_XT_MATCH_QUOTA2
+	tristate '"quota2" match support'
+	depends on NETFILTER_ADVANCED
+	help
+	  This option adds a `quota2' match, which allows to match on a
+	  byte counter correctly and not per CPU.
+	  It allows naming the quotas.
+	  This is based on http://xtables-addons.git.sourceforge.net
+
+	  If you want to compile it as a module, say M here and read
+	  <file:Documentation/kbuild/modules.txt>.  If unsure, say `N'.
+
+config NETFILTER_XT_MATCH_QUOTA2_LOG
+	bool '"quota2" Netfilter LOG support'
+	depends on NETFILTER_XT_MATCH_QUOTA2
+	default n
+	help
+	  This option allows `quota2' to log ONCE when a quota limit
+	  is passed. It logs via NETLINK using the NETLINK_NFLOG family.
+	  It logs similarly to how ipt_ULOG would without data.
+
+	  If unsure, say `N'.
+
 config NETFILTER_XT_MATCH_RATEEST
 	tristate '"rateest" match support'
 	depends on NETFILTER_ADVANCED
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index 0e0ded8..9100085 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -197,6 +197,7 @@
 obj-$(CONFIG_NETFILTER_XT_MATCH_PKTTYPE) += xt_pkttype.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_POLICY) += xt_policy.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_QUOTA) += xt_quota.o
+obj-$(CONFIG_NETFILTER_XT_MATCH_QUOTA2) += xt_quota2.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_RATEEST) += xt_rateest.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_REALM) += xt_realm.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_RECENT) += xt_recent.o
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index f82a234..83a3f98 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -33,6 +33,7 @@
 #include <linux/mm.h>
 #include <linux/nsproxy.h>
 #include <linux/rculist_nulls.h>
+#include <trace/hooks/net.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
@@ -1495,6 +1496,8 @@
 
 	nf_ct_zone_add(ct, zone);
 
+	trace_android_rvh_nf_conn_alloc(ct);
+
 	/* Because we use RCU lookups, we set ct_general.use to zero before
 	 * this is inserted in any list.
 	 */
@@ -1527,6 +1530,7 @@
 	nf_ct_ext_destroy(ct);
 	kmem_cache_free(nf_conntrack_cachep, ct);
 	smp_mb__before_atomic();
+	trace_android_rvh_nf_conn_free(ct);
 	atomic_dec(&net->ct.count);
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_free);
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index e7545bc..21cbaf6 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -112,7 +112,7 @@
 /* shutdown_ack */ {sSA, sCL, sCW, sCE, sES, sSA, sSA, sSA, sSA},
 /* error        */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA, sCL},/* Can't have Stale cookie*/
 /* cookie_echo  */ {sCL, sCL, sCE, sCE, sES, sSS, sSR, sSA, sCL},/* 5.2.4 - Big TODO */
-/* cookie_ack   */ {sCL, sCL, sCW, sES, sES, sSS, sSR, sSA, sCL},/* Can't come in orig dir */
+/* cookie_ack   */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA, sCL},/* Can't come in orig dir */
 /* shutdown_comp*/ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sCL, sCL},
 /* heartbeat    */ {sHS, sCL, sCW, sCE, sES, sSS, sSR, sSA, sHS},
 /* heartbeat_ack*/ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA, sHS},
@@ -126,7 +126,7 @@
 /* shutdown     */ {sIV, sCL, sCW, sCE, sSR, sSS, sSR, sSA, sIV},
 /* shutdown_ack */ {sIV, sCL, sCW, sCE, sES, sSA, sSA, sSA, sIV},
 /* error        */ {sIV, sCL, sCW, sCL, sES, sSS, sSR, sSA, sIV},
-/* cookie_echo  */ {sIV, sCL, sCE, sCE, sES, sSS, sSR, sSA, sIV},/* Can't come in reply dir */
+/* cookie_echo  */ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sSA, sIV},/* Can't come in reply dir */
 /* cookie_ack   */ {sIV, sCL, sCW, sES, sES, sSS, sSR, sSA, sIV},
 /* shutdown_comp*/ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sCL, sIV},
 /* heartbeat    */ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sSA, sHS},
@@ -426,9 +426,6 @@
 			/* (D) vtag must be same as init_vtag as found in INIT_ACK */
 			if (sh->vtag != ct->proto.sctp.vtag[dir])
 				goto out_unlock;
-		} else if (sch->type == SCTP_CID_COOKIE_ACK) {
-			ct->proto.sctp.init[dir] = 0;
-			ct->proto.sctp.init[!dir] = 0;
 		} else if (sch->type == SCTP_CID_HEARTBEAT) {
 			if (ct->proto.sctp.vtag[dir] == 0) {
 				pr_debug("Setting %d vtag %x for dir %d\n", sch->type, sh->vtag, dir);
@@ -477,18 +474,16 @@
 		}
 
 		/* If it is an INIT or an INIT ACK note down the vtag */
-		if (sch->type == SCTP_CID_INIT) {
-			struct sctp_inithdr _ih, *ih;
+		if (sch->type == SCTP_CID_INIT ||
+		    sch->type == SCTP_CID_INIT_ACK) {
+			struct sctp_inithdr _inithdr, *ih;
 
-			ih = skb_header_pointer(skb, offset + sizeof(_sch), sizeof(*ih), &_ih);
-			if (!ih)
+			ih = skb_header_pointer(skb, offset + sizeof(_sch),
+						sizeof(_inithdr), &_inithdr);
+			if (ih == NULL)
 				goto out_unlock;
-
-			if (ct->proto.sctp.init[dir] && ct->proto.sctp.init[!dir])
-				ct->proto.sctp.init[!dir] = 0;
-			ct->proto.sctp.init[dir] = 1;
-
-			pr_debug("Setting vtag %x for dir %d\n", ih->init_tag, !dir);
+			pr_debug("Setting vtag %x for dir %d\n",
+				 ih->init_tag, !dir);
 			ct->proto.sctp.vtag[!dir] = ih->init_tag;
 
 			/* don't renew timeout on init retransmit so
@@ -499,24 +494,6 @@
 			    old_state == SCTP_CONNTRACK_CLOSED &&
 			    nf_ct_is_confirmed(ct))
 				ignore = true;
-		} else if (sch->type == SCTP_CID_INIT_ACK) {
-			struct sctp_inithdr _ih, *ih;
-			__be32 vtag;
-
-			ih = skb_header_pointer(skb, offset + sizeof(_sch), sizeof(*ih), &_ih);
-			if (!ih)
-				goto out_unlock;
-
-			vtag = ct->proto.sctp.vtag[!dir];
-			if (!ct->proto.sctp.init[!dir] && vtag && vtag != ih->init_tag)
-				goto out_unlock;
-			/* collision */
-			if (ct->proto.sctp.init[dir] && ct->proto.sctp.init[!dir] &&
-			    vtag != ih->init_tag)
-				goto out_unlock;
-
-			pr_debug("Setting vtag %x for dir %d\n", ih->init_tag, !dir);
-			ct->proto.sctp.vtag[!dir] = ih->init_tag;
 		}
 
 		ct->proto.sctp.state = new_state;
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 80c0907..c9023c4 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -583,9 +583,9 @@
 			goto nla_put_failure;
 	}
 
-	if (hooknum <= NF_INET_FORWARD && skb->tstamp) {
+	if (hooknum <= NF_INET_FORWARD) {
 		struct nfulnl_msg_packet_timestamp ts;
-		struct timespec64 kts = ktime_to_timespec64(skb->tstamp);
+		struct timespec64 kts = ktime_to_timespec64(skb->tstamp ?: ktime_get_real());
 		ts.sec = cpu_to_be64(kts.tv_sec);
 		ts.usec = cpu_to_be64(kts.tv_nsec / NSEC_PER_USEC);
 
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index 2f7cf5e..90579d0 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -28,6 +28,11 @@
 #include <linux/kobject.h>
 #include <linux/workqueue.h>
 #include <linux/sysfs.h>
+#include <linux/suspend.h>
+#include <net/sock.h>
+#include <net/inet_sock.h>
+
+#define NLMSG_MAX_SIZE 64
 
 struct idletimer_tg {
 	struct list_head entry;
@@ -38,15 +43,112 @@
 	struct kobject *kobj;
 	struct device_attribute attr;
 
+	struct timespec64 delayed_timer_trigger;
+	struct timespec64 last_modified_timer;
+	struct timespec64 last_suspend_time;
+	struct notifier_block pm_nb;
+
+	int timeout;
 	unsigned int refcnt;
 	u8 timer_type;
+
+	bool work_pending;
+	bool send_nl_msg;
+	bool active;
+	uid_t uid;
+	bool suspend_time_valid;
 };
 
 static LIST_HEAD(idletimer_tg_list);
 static DEFINE_MUTEX(list_mutex);
+static DEFINE_SPINLOCK(timestamp_lock);
 
 static struct kobject *idletimer_tg_kobj;
 
+static bool check_for_delayed_trigger(struct idletimer_tg *timer,
+				      struct timespec64 *ts)
+{
+	bool state;
+	struct timespec64 temp;
+	spin_lock_bh(&timestamp_lock);
+	timer->work_pending = false;
+	if ((ts->tv_sec - timer->last_modified_timer.tv_sec) > timer->timeout ||
+	    timer->delayed_timer_trigger.tv_sec != 0) {
+		state = false;
+		temp.tv_sec = timer->timeout;
+		temp.tv_nsec = 0;
+		if (timer->delayed_timer_trigger.tv_sec != 0) {
+			temp = timespec64_add(timer->delayed_timer_trigger,
+					      temp);
+			ts->tv_sec = temp.tv_sec;
+			ts->tv_nsec = temp.tv_nsec;
+			timer->delayed_timer_trigger.tv_sec = 0;
+			timer->work_pending = true;
+			schedule_work(&timer->work);
+		} else {
+			temp = timespec64_add(timer->last_modified_timer, temp);
+			ts->tv_sec = temp.tv_sec;
+			ts->tv_nsec = temp.tv_nsec;
+		}
+	} else {
+		state = timer->active;
+	}
+	spin_unlock_bh(&timestamp_lock);
+	return state;
+}
+
+static void notify_netlink_uevent(const char *iface, struct idletimer_tg *timer)
+{
+	char iface_msg[NLMSG_MAX_SIZE];
+	char state_msg[NLMSG_MAX_SIZE];
+	char timestamp_msg[NLMSG_MAX_SIZE];
+	char uid_msg[NLMSG_MAX_SIZE];
+	char *envp[] = { iface_msg, state_msg, timestamp_msg, uid_msg, NULL };
+	int res;
+	struct timespec64 ts;
+	u64 time_ns;
+	bool state;
+
+	res = snprintf(iface_msg, NLMSG_MAX_SIZE, "INTERFACE=%s",
+		       iface);
+	if (NLMSG_MAX_SIZE <= res) {
+		pr_err("message too long (%d)\n", res);
+		return;
+	}
+
+	ts = ktime_to_timespec64(ktime_get_boottime());
+	state = check_for_delayed_trigger(timer, &ts);
+	res = snprintf(state_msg, NLMSG_MAX_SIZE, "STATE=%s",
+		       state ? "active" : "inactive");
+
+	if (NLMSG_MAX_SIZE <= res) {
+		pr_err("message too long (%d)\n", res);
+		return;
+	}
+
+	if (state) {
+		res = snprintf(uid_msg, NLMSG_MAX_SIZE, "UID=%u", timer->uid);
+		if (NLMSG_MAX_SIZE <= res)
+			pr_err("message too long (%d)\n", res);
+	} else {
+		res = snprintf(uid_msg, NLMSG_MAX_SIZE, "UID=");
+		if (NLMSG_MAX_SIZE <= res)
+			pr_err("message too long (%d)\n", res);
+	}
+
+	time_ns = timespec64_to_ns(&ts);
+	res = snprintf(timestamp_msg, NLMSG_MAX_SIZE, "TIME_NS=%llu", time_ns);
+	if (NLMSG_MAX_SIZE <= res) {
+		timestamp_msg[0] = '\0';
+		pr_err("message too long (%d)\n", res);
+	}
+
+	pr_debug("putting nlmsg: <%s> <%s> <%s> <%s>\n", iface_msg, state_msg,
+		 timestamp_msg, uid_msg);
+	kobject_uevent_env(idletimer_tg_kobj, KOBJ_CHANGE, envp);
+	return;
+}
+
 static
 struct idletimer_tg *__idletimer_tg_find_by_label(const char *label)
 {
@@ -67,6 +169,7 @@
 	unsigned long expires = 0;
 	struct timespec64 ktimespec = {};
 	long time_diff = 0;
+	unsigned long now = jiffies;
 
 	mutex_lock(&list_mutex);
 
@@ -78,16 +181,20 @@
 			time_diff = ktimespec.tv_sec;
 		} else {
 			expires = timer->timer.expires;
-			time_diff = jiffies_to_msecs(expires - jiffies) / 1000;
+			time_diff = jiffies_to_msecs(expires - now) / 1000;
 		}
 	}
 
 	mutex_unlock(&list_mutex);
 
-	if (time_after(expires, jiffies) || ktimespec.tv_sec > 0)
-		return snprintf(buf, PAGE_SIZE, "%ld\n", time_diff);
+	if (time_after(expires, now) || ktimespec.tv_sec > 0)
+		return scnprintf(buf, PAGE_SIZE, "%ld\n", time_diff);
 
-	return snprintf(buf, PAGE_SIZE, "0\n");
+	if (timer->send_nl_msg)
+		return scnprintf(buf, PAGE_SIZE, "0 %d\n",
+				 jiffies_to_msecs(now - expires) / 1000);
+
+	return scnprintf(buf, PAGE_SIZE, "0\n");
 }
 
 static void idletimer_tg_work(struct work_struct *work)
@@ -96,6 +203,9 @@
 						  work);
 
 	sysfs_notify(idletimer_tg_kobj, NULL, timer->attr.attr.name);
+
+	if (timer->send_nl_msg)
+		notify_netlink_uevent(timer->attr.attr.name, timer);
 }
 
 static void idletimer_tg_expired(struct timer_list *t)
@@ -104,7 +214,62 @@
 
 	pr_debug("timer %s expired\n", timer->attr.attr.name);
 
+	spin_lock_bh(&timestamp_lock);
+	timer->active = false;
+	timer->work_pending = true;
 	schedule_work(&timer->work);
+	spin_unlock_bh(&timestamp_lock);
+}
+
+static int idletimer_resume(struct notifier_block *notifier,
+			    unsigned long pm_event, void *unused)
+{
+	struct timespec64 ts;
+	unsigned long time_diff, now = jiffies;
+	struct idletimer_tg *timer = container_of(notifier,
+						  struct idletimer_tg, pm_nb);
+	if (!timer)
+		return NOTIFY_DONE;
+
+	switch (pm_event) {
+	case PM_SUSPEND_PREPARE:
+		timer->last_suspend_time =
+			ktime_to_timespec64(ktime_get_boottime());
+		timer->suspend_time_valid = true;
+		break;
+	case PM_POST_SUSPEND:
+		if (!timer->suspend_time_valid)
+			break;
+		timer->suspend_time_valid = false;
+
+		spin_lock_bh(&timestamp_lock);
+		if (!timer->active) {
+			spin_unlock_bh(&timestamp_lock);
+			break;
+		}
+		/* since jiffies are not updated when suspended now represents
+		 * the time it would have suspended */
+		if (time_after(timer->timer.expires, now)) {
+			ts = ktime_to_timespec64(ktime_get_boottime());
+			ts = timespec64_sub(ts, timer->last_suspend_time);
+			time_diff = timespec64_to_jiffies(&ts);
+			if (timer->timer.expires > (time_diff + now)) {
+				mod_timer_pending(&timer->timer,
+						  (timer->timer.expires - time_diff));
+			} else {
+				del_timer(&timer->timer);
+				timer->timer.expires = 0;
+				timer->active = false;
+				timer->work_pending = true;
+				schedule_work(&timer->work);
+			}
+		}
+		spin_unlock_bh(&timestamp_lock);
+		break;
+	default:
+		break;
+	}
+	return NOTIFY_DONE;
 }
 
 static enum alarmtimer_restart idletimer_tg_alarmproc(struct alarm *alarm,
@@ -158,17 +323,34 @@
 
 	ret = sysfs_create_file(idletimer_tg_kobj, &info->timer->attr.attr);
 	if (ret < 0) {
-		pr_debug("couldn't add file to sysfs");
+		pr_debug("couldn't add file to sysfs\n");
 		goto out_free_attr;
 	}
 
 	list_add(&info->timer->entry, &idletimer_tg_list);
-
-	timer_setup(&info->timer->timer, idletimer_tg_expired, 0);
+	pr_debug("timer type value is 0.\n");
+	info->timer->timer_type = 0;
 	info->timer->refcnt = 1;
+	info->timer->send_nl_msg = false;
+	info->timer->active = true;
+	info->timer->timeout = info->timeout;
+
+	info->timer->delayed_timer_trigger.tv_sec = 0;
+	info->timer->delayed_timer_trigger.tv_nsec = 0;
+	info->timer->work_pending = false;
+	info->timer->uid = 0;
+	info->timer->last_modified_timer =
+		ktime_to_timespec64(ktime_get_boottime());
+
+	info->timer->pm_nb.notifier_call = idletimer_resume;
+	ret = register_pm_notifier(&info->timer->pm_nb);
+	if (ret)
+		printk(KERN_WARNING "[%s] Failed to register pm notifier %d\n",
+		       __func__, ret);
 
 	INIT_WORK(&info->timer->work, idletimer_tg_work);
 
+	timer_setup(&info->timer->timer, idletimer_tg_expired, 0);
 	mod_timer(&info->timer->timer,
 		  msecs_to_jiffies(info->timeout * 1000) + jiffies);
 
@@ -186,7 +368,7 @@
 {
 	int ret;
 
-	info->timer = kmalloc(sizeof(*info->timer), GFP_KERNEL);
+	info->timer = kzalloc(sizeof(*info->timer), GFP_KERNEL);
 	if (!info->timer) {
 		ret = -ENOMEM;
 		goto out;
@@ -207,7 +389,7 @@
 
 	ret = sysfs_create_file(idletimer_tg_kobj, &info->timer->attr.attr);
 	if (ret < 0) {
-		pr_debug("couldn't add file to sysfs");
+		pr_debug("couldn't add file to sysfs\n");
 		goto out_free_attr;
 	}
 
@@ -215,9 +397,25 @@
 	kobject_uevent(idletimer_tg_kobj,KOBJ_ADD);
 
 	list_add(&info->timer->entry, &idletimer_tg_list);
-	pr_debug("timer type value is %u", info->timer_type);
+	pr_debug("timer type value is %u\n", info->timer_type);
 	info->timer->timer_type = info->timer_type;
 	info->timer->refcnt = 1;
+	info->timer->send_nl_msg = (info->send_nl_msg != 0);
+	info->timer->active = true;
+	info->timer->timeout = info->timeout;
+
+	info->timer->delayed_timer_trigger.tv_sec = 0;
+	info->timer->delayed_timer_trigger.tv_nsec = 0;
+	info->timer->work_pending = false;
+	info->timer->uid = 0;
+	info->timer->last_modified_timer =
+		ktime_to_timespec64(ktime_get_boottime());
+
+	info->timer->pm_nb.notifier_call = idletimer_resume;
+	ret = register_pm_notifier(&info->timer->pm_nb);
+	if (ret)
+		printk(KERN_WARNING "[%s] Failed to register pm notifier %d\n",
+		       __func__, ret);
 
 	INIT_WORK(&info->timer->work, idletimer_tg_work);
 
@@ -231,7 +429,7 @@
 	} else {
 		timer_setup(&info->timer->timer, idletimer_tg_expired, 0);
 		mod_timer(&info->timer->timer,
-				msecs_to_jiffies(info->timeout * 1000) + jiffies);
+			  msecs_to_jiffies(info->timeout * 1000) + jiffies);
 	}
 
 	return 0;
@@ -244,6 +442,41 @@
 	return ret;
 }
 
+static void reset_timer(struct idletimer_tg * const info_timer,
+			const __u32 info_timeout,
+			struct sk_buff *skb)
+{
+	unsigned long now = jiffies;
+	bool timer_prev;
+
+	spin_lock_bh(&timestamp_lock);
+	timer_prev = info_timer->active;
+	info_timer->active = true;
+	/* timer_prev is used to guard overflow problem in time_before*/
+	if (!timer_prev || time_before(info_timer->timer.expires, now)) {
+		pr_debug("Starting Checkentry timer (Expired, Jiffies): %lu, %lu\n",
+			 info_timer->timer.expires, now);
+
+		/* Stores the uid resposible for waking up the radio */
+		if (skb && (skb->sk)) {
+			info_timer->uid = from_kuid_munged(current_user_ns(),
+							   sock_i_uid(skb_to_full_sk(skb)));
+		}
+
+		/* checks if there is a pending inactive notification*/
+		if (info_timer->work_pending)
+			info_timer->delayed_timer_trigger = info_timer->last_modified_timer;
+		else {
+			info_timer->work_pending = true;
+			schedule_work(&info_timer->work);
+		}
+	}
+
+	info_timer->last_modified_timer = ktime_to_timespec64(ktime_get_boottime());
+	mod_timer(&info_timer->timer, msecs_to_jiffies(info_timeout * 1000) + now);
+	spin_unlock_bh(&timestamp_lock);
+}
+
 /*
  * The actual xt_tables plugin.
  */
@@ -251,12 +484,21 @@
 					 const struct xt_action_param *par)
 {
 	const struct idletimer_tg_info *info = par->targinfo;
+	unsigned long now = jiffies;
 
 	pr_debug("resetting timer %s, timeout period %u\n",
 		 info->label, info->timeout);
 
-	mod_timer(&info->timer->timer,
-		  msecs_to_jiffies(info->timeout * 1000) + jiffies);
+	info->timer->active = true;
+
+	if (time_before(info->timer->timer.expires, now)) {
+		schedule_work(&info->timer->work);
+		pr_debug("Starting timer %s (Expired, Jiffies): %lu, %lu\n",
+			 info->label, info->timer->timer.expires, now);
+	}
+
+	/* TODO: Avoid modifying timers on each packet */
+	reset_timer(info->timer, info->timeout, skb);
 
 	return XT_CONTINUE;
 }
@@ -268,6 +510,7 @@
 					 const struct xt_action_param *par)
 {
 	const struct idletimer_tg_info_v1 *info = par->targinfo;
+	unsigned long now = jiffies;
 
 	pr_debug("resetting timer %s, timeout period %u\n",
 		 info->label, info->timeout);
@@ -276,8 +519,16 @@
 		ktime_t tout = ktime_set(info->timeout, 0);
 		alarm_start_relative(&info->timer->alarm, tout);
 	} else {
-		mod_timer(&info->timer->timer,
-				msecs_to_jiffies(info->timeout * 1000) + jiffies);
+		info->timer->active = true;
+
+		if (time_before(info->timer->timer.expires, now)) {
+			schedule_work(&info->timer->work);
+			pr_debug("Starting timer %s (Expired, Jiffies): %lu, %lu\n",
+				 info->label, info->timer->timer.expires, now);
+		}
+
+		/* TODO: Avoid modifying timers on each packet */
+		reset_timer(info->timer, info->timeout, skb);
 	}
 
 	return XT_CONTINUE;
@@ -321,9 +572,7 @@
 	info->timer = __idletimer_tg_find_by_label(info->label);
 	if (info->timer) {
 		info->timer->refcnt++;
-		mod_timer(&info->timer->timer,
-			  msecs_to_jiffies(info->timeout * 1000) + jiffies);
-
+		reset_timer(info->timer, info->timeout, NULL);
 		pr_debug("increased refcnt of timer %s to %u\n",
 			 info->label, info->timer->refcnt);
 	} else {
@@ -346,9 +595,6 @@
 
 	pr_debug("checkentry targinfo%s\n", info->label);
 
-	if (info->send_nl_msg)
-		return -EOPNOTSUPP;
-
 	ret = idletimer_tg_helper((struct idletimer_tg_info *)info);
 	if(ret < 0)
 	{
@@ -361,6 +607,11 @@
 		return -EINVAL;
 	}
 
+	if (info->send_nl_msg > 1) {
+		pr_debug("invalid value for send_nl_msg\n");
+		return -EINVAL;
+	}
+
 	mutex_lock(&list_mutex);
 
 	info->timer = __idletimer_tg_find_by_label(info->label);
@@ -383,8 +634,7 @@
 				alarm_start_relative(&info->timer->alarm, tout);
 			}
 		} else {
-				mod_timer(&info->timer->timer,
-					msecs_to_jiffies(info->timeout * 1000) + jiffies);
+			reset_timer(info->timer, info->timeout, NULL);
 		}
 		pr_debug("increased refcnt of timer %s to %u\n",
 			 info->label, info->timer->refcnt);
@@ -414,8 +664,9 @@
 
 		list_del(&info->timer->entry);
 		del_timer_sync(&info->timer->timer);
-		cancel_work_sync(&info->timer->work);
 		sysfs_remove_file(idletimer_tg_kobj, &info->timer->attr.attr);
+		unregister_pm_notifier(&info->timer->pm_nb);
+		cancel_work_sync(&info->timer->work);
 		kfree(info->timer->attr.attr.name);
 		kfree(info->timer);
 	} else {
@@ -443,8 +694,9 @@
 		} else {
 			del_timer_sync(&info->timer->timer);
 		}
-		cancel_work_sync(&info->timer->work);
 		sysfs_remove_file(idletimer_tg_kobj, &info->timer->attr.attr);
+		unregister_pm_notifier(&info->timer->pm_nb);
+		cancel_work_sync(&info->timer->work);
 		kfree(info->timer->attr.attr.name);
 		kfree(info->timer);
 	} else {
@@ -540,3 +792,4 @@
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("ipt_IDLETIMER");
 MODULE_ALIAS("ip6t_IDLETIMER");
+MODULE_ALIAS("arpt_IDLETIMER");
diff --git a/net/netfilter/xt_quota2.c b/net/netfilter/xt_quota2.c
new file mode 100644
index 0000000..641e36e
--- /dev/null
+++ b/net/netfilter/xt_quota2.c
@@ -0,0 +1,397 @@
+/*
+ * xt_quota2 - enhanced xt_quota that can count upwards and in packets
+ * as a minimal accounting match.
+ * by Jan Engelhardt <jengelh@medozas.de>, 2008
+ *
+ * Originally based on xt_quota.c:
+ * 	netfilter module to enforce network quotas
+ * 	Sam Johnston <samj@samj.net>
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License; either
+ *	version 2 of the License, as published by the Free Software Foundation.
+ */
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <asm/atomic.h>
+#include <net/netlink.h>
+
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter/xt_quota2.h>
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+/* For compatibility, these definitions are copied from the
+ * deprecated header file <linux/netfilter_ipv4/ipt_ULOG.h> */
+#define ULOG_MAC_LEN	80
+#define ULOG_PREFIX_LEN	32
+
+/* Format of the ULOG packets passed through netlink */
+typedef struct ulog_packet_msg {
+	unsigned long mark;
+	long timestamp_sec;
+	long timestamp_usec;
+	unsigned int hook;
+	char indev_name[IFNAMSIZ];
+	char outdev_name[IFNAMSIZ];
+	size_t data_len;
+	char prefix[ULOG_PREFIX_LEN];
+	unsigned char mac_len;
+	unsigned char mac[ULOG_MAC_LEN];
+	unsigned char payload[0];
+} ulog_packet_msg_t;
+#endif
+
+/**
+ * @lock:	lock to protect quota writers from each other
+ */
+struct xt_quota_counter {
+	u_int64_t quota;
+	spinlock_t lock;
+	struct list_head list;
+	atomic_t ref;
+	char name[sizeof(((struct xt_quota_mtinfo2 *)NULL)->name)];
+	struct proc_dir_entry *procfs_entry;
+};
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+/* Harald's favorite number +1 :D From ipt_ULOG.C */
+static int qlog_nl_event = 112;
+module_param_named(event_num, qlog_nl_event, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(event_num,
+		 "Event number for NETLINK_NFLOG message. 0 disables log."
+		 "111 is what ipt_ULOG uses.");
+static struct sock *nflognl;
+#endif
+
+static LIST_HEAD(counter_list);
+static DEFINE_SPINLOCK(counter_list_lock);
+
+static struct proc_dir_entry *proc_xt_quota;
+static unsigned int quota_list_perms = S_IRUGO | S_IWUSR;
+static kuid_t quota_list_uid = KUIDT_INIT(0);
+static kgid_t quota_list_gid = KGIDT_INIT(0);
+module_param_named(perms, quota_list_perms, uint, S_IRUGO | S_IWUSR);
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+static void quota2_log(unsigned int hooknum,
+		       const struct sk_buff *skb,
+		       const struct net_device *in,
+		       const struct net_device *out,
+		       const char *prefix)
+{
+	ulog_packet_msg_t *pm;
+	struct sk_buff *log_skb;
+	size_t size;
+	struct nlmsghdr *nlh;
+
+	if (!qlog_nl_event)
+		return;
+
+	size = NLMSG_SPACE(sizeof(*pm));
+	size = max(size, (size_t)NLMSG_GOODSIZE);
+	log_skb = alloc_skb(size, GFP_ATOMIC);
+	if (!log_skb) {
+		pr_err("xt_quota2: cannot alloc skb for logging\n");
+		return;
+	}
+
+	nlh = nlmsg_put(log_skb, /*pid*/0, /*seq*/0, qlog_nl_event,
+			sizeof(*pm), 0);
+	if (!nlh) {
+		pr_err("xt_quota2: nlmsg_put failed\n");
+		kfree_skb(log_skb);
+		return;
+	}
+	pm = nlmsg_data(nlh);
+	memset(pm, 0, sizeof(*pm));
+	if (skb->tstamp == 0)
+		__net_timestamp((struct sk_buff *)skb);
+	pm->hook = hooknum;
+	if (prefix != NULL)
+		strlcpy(pm->prefix, prefix, sizeof(pm->prefix));
+	if (in)
+		strlcpy(pm->indev_name, in->name, sizeof(pm->indev_name));
+	if (out)
+		strlcpy(pm->outdev_name, out->name, sizeof(pm->outdev_name));
+
+	NETLINK_CB(log_skb).dst_group = 1;
+	pr_debug("throwing 1 packets to netlink group 1\n");
+	netlink_broadcast(nflognl, log_skb, 0, 1, GFP_ATOMIC);
+}
+#else
+static void quota2_log(unsigned int hooknum,
+		       const struct sk_buff *skb,
+		       const struct net_device *in,
+		       const struct net_device *out,
+		       const char *prefix)
+{
+}
+#endif  /* if+else CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG */
+
+static ssize_t quota_proc_read(struct file *file, char __user *buf,
+			   size_t size, loff_t *ppos)
+{
+	struct xt_quota_counter *e = PDE_DATA(file_inode(file));
+	char tmp[24];
+	size_t tmp_size;
+
+	spin_lock_bh(&e->lock);
+	tmp_size = scnprintf(tmp, sizeof(tmp), "%llu\n", e->quota);
+	spin_unlock_bh(&e->lock);
+	return simple_read_from_buffer(buf, size, ppos, tmp, tmp_size);
+}
+
+static ssize_t quota_proc_write(struct file *file, const char __user *input,
+                            size_t size, loff_t *ppos)
+{
+	struct xt_quota_counter *e = PDE_DATA(file_inode(file));
+	char buf[sizeof("18446744073709551616")];
+
+	if (size > sizeof(buf))
+		size = sizeof(buf);
+	if (copy_from_user(buf, input, size) != 0)
+		return -EFAULT;
+	buf[sizeof(buf)-1] = '\0';
+	if (size < sizeof(buf))
+		buf[size] = '\0';
+
+	spin_lock_bh(&e->lock);
+	e->quota = simple_strtoull(buf, NULL, 0);
+	spin_unlock_bh(&e->lock);
+	return size;
+}
+
+static const struct proc_ops q2_counter_fops = {
+	.proc_read	= quota_proc_read,
+	.proc_write	= quota_proc_write,
+	.proc_lseek	= default_llseek,
+};
+
+static struct xt_quota_counter *
+q2_new_counter(const struct xt_quota_mtinfo2 *q, bool anon)
+{
+	struct xt_quota_counter *e;
+	unsigned int size;
+
+	/* Do not need all the procfs things for anonymous counters. */
+	size = anon ? offsetof(typeof(*e), list) : sizeof(*e);
+	e = kmalloc(size, GFP_KERNEL);
+	if (e == NULL)
+		return NULL;
+
+	e->quota = q->quota;
+	spin_lock_init(&e->lock);
+	if (!anon) {
+		INIT_LIST_HEAD(&e->list);
+		atomic_set(&e->ref, 1);
+		strlcpy(e->name, q->name, sizeof(e->name));
+	}
+	return e;
+}
+
+/**
+ * q2_get_counter - get ref to counter or create new
+ * @name:	name of counter
+ */
+static struct xt_quota_counter *
+q2_get_counter(const struct xt_quota_mtinfo2 *q)
+{
+	struct proc_dir_entry *p;
+	struct xt_quota_counter *e = NULL;
+	struct xt_quota_counter *new_e;
+
+	if (*q->name == '\0')
+		return q2_new_counter(q, true);
+
+	/* No need to hold a lock while getting a new counter */
+	new_e = q2_new_counter(q, false);
+	if (new_e == NULL)
+		goto out;
+
+	spin_lock_bh(&counter_list_lock);
+	list_for_each_entry(e, &counter_list, list)
+		if (strcmp(e->name, q->name) == 0) {
+			atomic_inc(&e->ref);
+			spin_unlock_bh(&counter_list_lock);
+			kfree(new_e);
+			pr_debug("xt_quota2: old counter name=%s", e->name);
+			return e;
+		}
+	e = new_e;
+	pr_debug("xt_quota2: new_counter name=%s", e->name);
+	list_add_tail(&e->list, &counter_list);
+	/* The entry having a refcount of 1 is not directly destructible.
+	 * This func has not yet returned the new entry, thus iptables
+	 * has not references for destroying this entry.
+	 * For another rule to try to destroy it, it would 1st need for this
+	 * func* to be re-invoked, acquire a new ref for the same named quota.
+	 * Nobody will access the e->procfs_entry either.
+	 * So release the lock. */
+	spin_unlock_bh(&counter_list_lock);
+
+	/* create_proc_entry() is not spin_lock happy */
+	p = e->procfs_entry = proc_create_data(e->name, quota_list_perms,
+	                      proc_xt_quota, &q2_counter_fops, e);
+
+	if (IS_ERR_OR_NULL(p)) {
+		spin_lock_bh(&counter_list_lock);
+		list_del(&e->list);
+		spin_unlock_bh(&counter_list_lock);
+		goto out;
+	}
+	proc_set_user(p, quota_list_uid, quota_list_gid);
+	return e;
+
+ out:
+	kfree(e);
+	return NULL;
+}
+
+static int quota_mt2_check(const struct xt_mtchk_param *par)
+{
+	struct xt_quota_mtinfo2 *q = par->matchinfo;
+
+	pr_debug("xt_quota2: check() flags=0x%04x", q->flags);
+
+	if (q->flags & ~XT_QUOTA_MASK)
+		return -EINVAL;
+
+	q->name[sizeof(q->name)-1] = '\0';
+	if (*q->name == '.' || strchr(q->name, '/') != NULL) {
+		printk(KERN_ERR "xt_quota.3: illegal name\n");
+		return -EINVAL;
+	}
+
+	q->master = q2_get_counter(q);
+	if (q->master == NULL) {
+		printk(KERN_ERR "xt_quota.3: memory alloc failure\n");
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static void quota_mt2_destroy(const struct xt_mtdtor_param *par)
+{
+	struct xt_quota_mtinfo2 *q = par->matchinfo;
+	struct xt_quota_counter *e = q->master;
+
+	if (*q->name == '\0') {
+		kfree(e);
+		return;
+	}
+
+	spin_lock_bh(&counter_list_lock);
+	if (!atomic_dec_and_test(&e->ref)) {
+		spin_unlock_bh(&counter_list_lock);
+		return;
+	}
+
+	list_del(&e->list);
+	spin_unlock_bh(&counter_list_lock);
+	remove_proc_entry(e->name, proc_xt_quota);
+	kfree(e);
+}
+
+static bool
+quota_mt2(const struct sk_buff *skb, struct xt_action_param *par)
+{
+	struct xt_quota_mtinfo2 *q = (void *)par->matchinfo;
+	struct xt_quota_counter *e = q->master;
+	int charge = (q->flags & XT_QUOTA_PACKET) ? 1 : skb->len;
+	bool no_change = q->flags & XT_QUOTA_NO_CHANGE;
+	bool ret = q->flags & XT_QUOTA_INVERT;
+
+	spin_lock_bh(&e->lock);
+	if (q->flags & XT_QUOTA_GROW) {
+		/*
+		 * While no_change is pointless in "grow" mode, we will
+		 * implement it here simply to have a consistent behavior.
+		 */
+		if (!no_change)
+			e->quota += charge;
+		ret = true; /* note: does not respect inversion (bug??) */
+	} else {
+		if (e->quota > charge) {
+			if (!no_change)
+				e->quota -= charge;
+			ret = !ret;
+		} else if (e->quota) {
+			/* We are transitioning, log that fact. */
+			quota2_log(xt_hooknum(par),
+				   skb,
+				   xt_in(par),
+				   xt_out(par),
+				   q->name);
+			/* we do not allow even small packets from now on */
+			e->quota = 0;
+		}
+	}
+	spin_unlock_bh(&e->lock);
+	return ret;
+}
+
+static struct xt_match quota_mt2_reg[] __read_mostly = {
+	{
+		.name       = "quota2",
+		.revision   = 3,
+		.family     = NFPROTO_IPV4,
+		.checkentry = quota_mt2_check,
+		.match      = quota_mt2,
+		.destroy    = quota_mt2_destroy,
+		.matchsize  = sizeof(struct xt_quota_mtinfo2),
+		.usersize   = offsetof(struct xt_quota_mtinfo2, master),
+		.me         = THIS_MODULE,
+	},
+	{
+		.name       = "quota2",
+		.revision   = 3,
+		.family     = NFPROTO_IPV6,
+		.checkentry = quota_mt2_check,
+		.match      = quota_mt2,
+		.destroy    = quota_mt2_destroy,
+		.matchsize  = sizeof(struct xt_quota_mtinfo2),
+		.usersize   = offsetof(struct xt_quota_mtinfo2, master),
+		.me         = THIS_MODULE,
+	},
+};
+
+static int __init quota_mt2_init(void)
+{
+	int ret;
+	pr_debug("xt_quota2: init()");
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+	nflognl = netlink_kernel_create(&init_net, NETLINK_NFLOG, NULL);
+	if (!nflognl)
+		return -ENOMEM;
+#endif
+
+	proc_xt_quota = proc_mkdir("xt_quota", init_net.proc_net);
+	if (proc_xt_quota == NULL)
+		return -EACCES;
+
+	ret = xt_register_matches(quota_mt2_reg, ARRAY_SIZE(quota_mt2_reg));
+	if (ret < 0)
+		remove_proc_entry("xt_quota", init_net.proc_net);
+	pr_debug("xt_quota2: init() %d", ret);
+	return ret;
+}
+
+static void __exit quota_mt2_exit(void)
+{
+	xt_unregister_matches(quota_mt2_reg, ARRAY_SIZE(quota_mt2_reg));
+	remove_proc_entry("xt_quota", init_net.proc_net);
+}
+
+module_init(quota_mt2_init);
+module_exit(quota_mt2_exit);
+MODULE_DESCRIPTION("Xtables: countdown quota match; up counter");
+MODULE_AUTHOR("Sam Johnston <samj@samj.net>");
+MODULE_AUTHOR("Jan Engelhardt <jengelh@medozas.de>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("ipt_quota2");
+MODULE_ALIAS("ip6t_quota2");
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index e9035de..9fd7ba0 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -1364,46 +1364,11 @@
 	.netnsok = true,
 };
 
-static int genl_bind(struct net *net, int group)
-{
-	const struct genl_family *family;
-	unsigned int id;
-	int ret = 0;
-
-	genl_lock_all();
-
-	idr_for_each_entry(&genl_fam_idr, family, id) {
-		const struct genl_multicast_group *grp;
-		int i;
-
-		if (family->n_mcgrps == 0)
-			continue;
-
-		i = group - family->mcgrp_offset;
-		if (i < 0 || i >= family->n_mcgrps)
-			continue;
-
-		grp = &family->mcgrps[i];
-		if ((grp->flags & GENL_UNS_ADMIN_PERM) &&
-		    !ns_capable(net->user_ns, CAP_NET_ADMIN))
-			ret = -EPERM;
-		if (grp->cap_sys_admin &&
-		    !ns_capable(net->user_ns, CAP_SYS_ADMIN))
-			ret = -EPERM;
-
-		break;
-	}
-
-	genl_unlock_all();
-	return ret;
-}
-
 static int __net_init genl_pernet_init(struct net *net)
 {
 	struct netlink_kernel_cfg cfg = {
 		.input		= genl_rcv,
 		.flags		= NL_CFG_F_NONROOT_RECV,
-		.bind		= genl_bind,
 	};
 
 	/* we'll bump the group number right afterwards */
diff --git a/net/psample/psample.c b/net/psample/psample.c
index 5913da7..482c07f 100644
--- a/net/psample/psample.c
+++ b/net/psample/psample.c
@@ -30,8 +30,7 @@
 
 static const struct genl_multicast_group psample_nl_mcgrps[] = {
 	[PSAMPLE_NL_MCGRP_CONFIG] = { .name = PSAMPLE_NL_MCGRP_CONFIG_NAME },
-	[PSAMPLE_NL_MCGRP_SAMPLE] = { .name = PSAMPLE_NL_MCGRP_SAMPLE_NAME,
-				      .flags = GENL_UNS_ADMIN_PERM },
+	[PSAMPLE_NL_MCGRP_SAMPLE] = { .name = PSAMPLE_NL_MCGRP_SAMPLE_NAME },
 };
 
 static struct genl_family psample_nl_family __ro_after_init;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index adcf87d..e03ed7d 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1020,6 +1020,10 @@
 		if (parent == NULL)
 			return -ENOENT;
 	}
+	if (!(parent->cl_flags & HFSC_FSC) && parent != &q->root) {
+		NL_SET_ERR_MSG(extack, "Invalid parent - parent class must have FSC");
+		return -EINVAL;
+	}
 
 	if (classid == 0 || TC_H_MAJ(classid ^ sch->handle) != 0)
 		return -EINVAL;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index bc4fe94..1b4a56f 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -411,6 +411,9 @@
 		}
 	}
 
+	if (snum && inet_is_local_unbindable_port(net, snum))
+		return -EPERM;
+
 	if (snum && inet_port_requires_bind_service(net, snum) &&
 	    !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
 		return -EACCES;
@@ -1079,6 +1082,8 @@
 		if (sctp_autobind(sk))
 			return -EAGAIN;
 	} else {
+		if (inet_is_local_unbindable_port(net, ep->base.bind_addr.port))
+			return -EPERM;
 		if (inet_port_requires_bind_service(net, ep->base.bind_addr.port) &&
 		    !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
 			return -EACCES;
@@ -8040,22 +8045,6 @@
 	return retval;
 }
 
-static bool sctp_bpf_bypass_getsockopt(int level, int optname)
-{
-	if (level == SOL_SCTP) {
-		switch (optname) {
-		case SCTP_SOCKOPT_PEELOFF:
-		case SCTP_SOCKOPT_PEELOFF_FLAGS:
-		case SCTP_SOCKOPT_CONNECTX3:
-			return true;
-		default:
-			return false;
-		}
-	}
-
-	return false;
-}
-
 static int sctp_hash(struct sock *sk)
 {
 	/* STUB */
@@ -9424,7 +9413,6 @@
 	.shutdown    =	sctp_shutdown,
 	.setsockopt  =	sctp_setsockopt,
 	.getsockopt  =	sctp_getsockopt,
-	.bpf_bypass_getsockopt	= sctp_bpf_bypass_getsockopt,
 	.sendmsg     =	sctp_sendmsg,
 	.recvmsg     =	sctp_recvmsg,
 	.bind        =	sctp_bind,
@@ -9477,7 +9465,6 @@
 	.shutdown	= sctp_shutdown,
 	.setsockopt	= sctp_setsockopt,
 	.getsockopt	= sctp_getsockopt,
-	.bpf_bypass_getsockopt	= sctp_bpf_bypass_getsockopt,
 	.sendmsg	= sctp_sendmsg,
 	.recvmsg	= sctp_recvmsg,
 	.bind		= sctp_bind,
diff --git a/net/socket.c b/net/socket.c
index 2a48aa8..9b23386 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -314,7 +314,8 @@
 
 static int sockfs_xattr_get(const struct xattr_handler *handler,
 			    struct dentry *dentry, struct inode *inode,
-			    const char *suffix, void *value, size_t size)
+			    const char *suffix, void *value, size_t size,
+			    int flags)
 {
 	if (value) {
 		if (dentry->d_name.len + 1 > size)
@@ -2156,9 +2157,6 @@
 	return __sys_setsockopt(fd, level, optname, optval, optlen);
 }
 
-INDIRECT_CALLABLE_DECLARE(bool tcp_bpf_bypass_getsockopt(int level,
-							 int optname));
-
 /*
  *	Get a socket option. Because we don't know the option lengths we have
  *	to pass a user mode parameter for the protocols to sort out.
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 236fadc..6c32062 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -139,5 +139,6 @@
 	rcu_barrier(); /* Wait for completion of call_rcu()'s */
 }
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
 module_exit(cleanup_sunrpc);
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index df6aba2..43bfe8a 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -525,19 +525,6 @@
 	return mtu;
 }
 
-int tipc_bearer_min_mtu(struct net *net, u32 bearer_id)
-{
-	int mtu = TIPC_MIN_BEARER_MTU;
-	struct tipc_bearer *b;
-
-	rcu_read_lock();
-	b = bearer_get(net, bearer_id);
-	if (b)
-		mtu += b->encap_hlen;
-	rcu_read_unlock();
-	return mtu;
-}
-
 /* tipc_bearer_xmit_skb - sends buffer to destination over bearer
  */
 void tipc_bearer_xmit_skb(struct net *net, u32 bearer_id,
@@ -1135,8 +1122,8 @@
 				return -EINVAL;
 			}
 #ifdef CONFIG_TIPC_MEDIA_UDP
-			if (nla_get_u32(props[TIPC_NLA_PROP_MTU]) <
-			    b->encap_hlen + TIPC_MIN_BEARER_MTU) {
+			if (tipc_udp_mtu_bad(nla_get_u32
+					     (props[TIPC_NLA_PROP_MTU]))) {
 				NL_SET_ERR_MSG(info->extack,
 					       "MTU value is out-of-range");
 				return -EINVAL;
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 711a50f..6bf4550 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -146,7 +146,6 @@
  * @identity: array index of this bearer within TIPC bearer array
  * @disc: ptr to link setup request
  * @net_plane: network plane ('A' through 'H') currently associated with bearer
- * @encap_hlen: encap headers length
  * @up: bearer up flag (bit 0)
  * @refcnt: tipc_bearer reference counter
  *
@@ -171,7 +170,6 @@
 	u32 identity;
 	struct tipc_discoverer *disc;
 	char net_plane;
-	u16 encap_hlen;
 	unsigned long up;
 	refcount_t refcnt;
 };
@@ -234,7 +232,6 @@
 void tipc_bearer_cleanup(void);
 void tipc_bearer_stop(struct net *net);
 int tipc_bearer_mtu(struct net *net, u32 bearer_id);
-int tipc_bearer_min_mtu(struct net *net, u32 bearer_id);
 bool tipc_bearer_bcast_support(struct net *net, u32 bearer_id);
 void tipc_bearer_xmit_skb(struct net *net, u32 bearer_id,
 			  struct sk_buff *skb,
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 5f849c7..7849385 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -2164,7 +2164,7 @@
 	struct tipc_msg *hdr = buf_msg(skb);
 	struct tipc_gap_ack_blks *ga = NULL;
 	bool reply = msg_probe(hdr), retransmitted = false;
-	u32 dlen = msg_data_sz(hdr), glen = 0, msg_max;
+	u32 dlen = msg_data_sz(hdr), glen = 0;
 	u16 peers_snd_nxt =  msg_next_sent(hdr);
 	u16 peers_tol = msg_link_tolerance(hdr);
 	u16 peers_prio = msg_linkprio(hdr);
@@ -2203,9 +2203,6 @@
 	switch (mtyp) {
 	case RESET_MSG:
 	case ACTIVATE_MSG:
-		msg_max = msg_max_pkt(hdr);
-		if (msg_max < tipc_bearer_min_mtu(l->net, l->bearer_id))
-			break;
 		/* Complete own link name with peer's interface name */
 		if_name =  strrchr(l->name, ':') + 1;
 		if (sizeof(l->name) - (if_name - l->name) <= TIPC_MAX_IF_NAME)
@@ -2250,8 +2247,8 @@
 		l->peer_session = msg_session(hdr);
 		l->in_session = true;
 		l->peer_bearer_id = msg_bearer_id(hdr);
-		if (l->mtu > msg_max)
-			l->mtu = msg_max;
+		if (l->mtu > msg_max_pkt(hdr))
+			l->mtu = msg_max_pkt(hdr);
 		break;
 
 	case STATE_MSG:
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 3e47501..a236281 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -730,8 +730,8 @@
 			udp_conf.local_ip.s_addr = local.ipv4.s_addr;
 		udp_conf.use_udp_checksums = false;
 		ub->ifindex = dev->ifindex;
-		b->encap_hlen = sizeof(struct iphdr) + sizeof(struct udphdr);
-		if (tipc_mtu_bad(dev, b->encap_hlen)) {
+		if (tipc_mtu_bad(dev, sizeof(struct iphdr) +
+				      sizeof(struct udphdr))) {
 			err = -EINVAL;
 			goto err;
 		}
@@ -752,7 +752,6 @@
 		else
 			udp_conf.local_ip6 = local.ipv6;
 		ub->ifindex = dev->ifindex;
-		b->encap_hlen = sizeof(struct ipv6hdr) + sizeof(struct udphdr);
 		b->mtu = 1280;
 #endif
 	} else {
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 237488b..440ab64 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -3011,4 +3011,5 @@
 module_exit(af_unix_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
 MODULE_ALIAS_NETPROTO(PF_UNIX);
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index ce14374..06dddb5 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -333,8 +333,7 @@
 }
 EXPORT_SYMBOL_GPL(vsock_remove_sock);
 
-void vsock_for_each_connected_socket(struct vsock_transport *transport,
-				     void (*fn)(struct sock *sk))
+void vsock_for_each_connected_socket(void (*fn)(struct sock *sk))
 {
 	int i;
 
@@ -343,12 +342,8 @@
 	for (i = 0; i < ARRAY_SIZE(vsock_connected_table); i++) {
 		struct vsock_sock *vsk;
 		list_for_each_entry(vsk, &vsock_connected_table[i],
-				    connected_table) {
-			if (vsk->transport != transport)
-				continue;
-
+				    connected_table)
 			fn(sk_vsock(vsk));
-		}
 	}
 
 	spin_unlock_bh(&vsock_table_lock);
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index e131121..fe05ee0 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -357,11 +357,17 @@
 
 static void virtio_vsock_reset_sock(struct sock *sk)
 {
+	struct vsock_sock *vsk = vsock_sk(sk);
+
 	/* vmci_transport.c doesn't take sk_lock here either.  At least we're
 	 * under vsock_table_lock so the sock cannot disappear while we're
 	 * executing.
 	 */
 
+	/* Only handle our own sockets */
+	if (vsk->transport != &virtio_transport.transport)
+		return;
+
 	sk->sk_state = TCP_CLOSE;
 	sk->sk_err = ECONNRESET;
 	sk->sk_error_report(sk);
@@ -384,8 +390,7 @@
 	switch (le32_to_cpu(event->id)) {
 	case VIRTIO_VSOCK_EVENT_TRANSPORT_RESET:
 		virtio_vsock_update_guest_cid(vsock);
-		vsock_for_each_connected_socket(&virtio_transport.transport,
-						virtio_vsock_reset_sock);
+		vsock_for_each_connected_socket(virtio_vsock_reset_sock);
 		break;
 	}
 }
@@ -637,8 +642,7 @@
 	synchronize_rcu();
 
 	/* Reset all connected sockets when the device disappear */
-	vsock_for_each_connected_socket(&virtio_transport.transport,
-					virtio_vsock_reset_sock);
+	vsock_for_each_connected_socket(virtio_vsock_reset_sock);
 
 	/* Stop all work handlers to make sure no one is accessing the device,
 	 * so we can safely call vdev->config->reset().
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 4102689..1ef274c 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -26,6 +26,10 @@
 /* Threshold for detecting small packets to copy */
 #define GOOD_COPY_LEN  128
 
+uint virtio_transport_max_vsock_pkt_buf_size = 64 * 1024;
+module_param(virtio_transport_max_vsock_pkt_buf_size, uint, 0444);
+EXPORT_SYMBOL_GPL(virtio_transport_max_vsock_pkt_buf_size);
+
 static const struct virtio_transport *
 virtio_transport_get_ops(struct vsock_sock *vsk)
 {
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 8c2856c..d6001c1 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -805,6 +805,11 @@
 	struct vsock_sock *vsk;
 
 	vsk = vsock_sk(sk);
+
+	/* Only handle our own sockets */
+	if (vsk->transport != &vmci_transport)
+		return;
+
 	if (!vmci_handle_is_invalid(vmci_trans(vsk)->qp_handle)) {
 		sock_set_flag(sk, SOCK_DONE);
 
@@ -884,8 +889,7 @@
 					 const struct vmci_event_data *e_data,
 					 void *client_data)
 {
-	vsock_for_each_connected_socket(&vmci_transport,
-					vmci_transport_handle_detach);
+	vsock_for_each_connected_socket(vmci_transport_handle_detach);
 }
 
 static void vmci_transport_recv_pkt_work(struct work_struct *work)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0ac829c..eab0e4e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -720,6 +720,9 @@
 		NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
 	[NL80211_ATTR_S1G_CAPABILITY_MASK] =
 		NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
+	[NL80211_ATTR_SAE_PWE] =
+		NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
+				 NL80211_SAE_PWE_BOTH),
 };
 
 /* policy for the key attributes */
@@ -9747,6 +9750,12 @@
 			nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
 	}
 
+	if (info->attrs[NL80211_ATTR_SAE_PWE])
+		settings->sae_pwe =
+			nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
+	else
+		settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
+
 	return 0;
 }
 
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4b32e85..423fc9e 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1318,20 +1318,22 @@
 
 static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
 {
-#define SCALE 2048
-	u16 mcs_divisors[12] = {
-		34133, /* 16.666666... */
-		17067, /*  8.333333... */
-		11378, /*  5.555555... */
-		 8533, /*  4.166666... */
-		 5689, /*  2.777777... */
-		 4267, /*  2.083333... */
-		 3923, /*  1.851851... */
-		 3413, /*  1.666666... */
-		 2844, /*  1.388888... */
-		 2560, /*  1.250000... */
-		 2276, /*  1.111111... */
-		 2048, /*  1.000000... */
+#define SCALE 6144
+	u32 mcs_divisors[14] = {
+		102399, /* 16.666666... */
+		 51201, /*  8.333333... */
+		 34134, /*  5.555555... */
+		 25599, /*  4.166666... */
+		 17067, /*  2.777777... */
+		 12801, /*  2.083333... */
+		 11769, /*  1.851851... */
+		 10239, /*  1.666666... */
+		  8532, /*  1.388888... */
+		  7680, /*  1.250000... */
+		  6828, /*  1.111111... */
+		  6144, /*  1.000000... */
+		  5690, /*  0.926106... */
+		  5120, /*  0.833333... */
 	};
 	u32 rates_160M[3] = { 960777777, 907400000, 816666666 };
 	u32 rates_969[3] =  { 480388888, 453700000, 408333333 };
@@ -1343,7 +1345,7 @@
 	u64 tmp;
 	u32 result;
 
-	if (WARN_ON_ONCE(rate->mcs > 11))
+	if (WARN_ON_ONCE(rate->mcs > 13))
 		return 0;
 
 	if (WARN_ON_ONCE(rate->he_gi > NL80211_RATE_INFO_HE_GI_3_2))
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 78f2927..cf54c6e 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1472,39 +1472,78 @@
 	}
 }
 
+#define DEFINE_WEXT_COMPAT_STUB(func, type)			\
+	static int __ ## func(struct net_device *dev,		\
+			      struct iw_request_info *info,	\
+			      union iwreq_data *wrqu,		\
+			      char *extra)			\
+	{							\
+		return func(dev, info, (type *)wrqu, extra);	\
+	}
+
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwname, char)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwfreq, struct iw_freq)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwfreq, struct iw_freq)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwmode, u32)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwmode, u32)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrange, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwap, struct sockaddr)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwap, struct sockaddr)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwmlme, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwscan, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwessid, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwessid, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwrate, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrate, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwrts, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrts, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwfrag, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwfrag, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwretry, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwretry, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwencode, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwencode, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwpower, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwpower, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwgenie, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwauth, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwauth, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwencodeext, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwpmksa, struct iw_point)
+
 static const iw_handler cfg80211_handlers[] = {
-	[IW_IOCTL_IDX(SIOCGIWNAME)]	= (iw_handler) cfg80211_wext_giwname,
-	[IW_IOCTL_IDX(SIOCSIWFREQ)]	= (iw_handler) cfg80211_wext_siwfreq,
-	[IW_IOCTL_IDX(SIOCGIWFREQ)]	= (iw_handler) cfg80211_wext_giwfreq,
-	[IW_IOCTL_IDX(SIOCSIWMODE)]	= (iw_handler) cfg80211_wext_siwmode,
-	[IW_IOCTL_IDX(SIOCGIWMODE)]	= (iw_handler) cfg80211_wext_giwmode,
-	[IW_IOCTL_IDX(SIOCGIWRANGE)]	= (iw_handler) cfg80211_wext_giwrange,
-	[IW_IOCTL_IDX(SIOCSIWAP)]	= (iw_handler) cfg80211_wext_siwap,
-	[IW_IOCTL_IDX(SIOCGIWAP)]	= (iw_handler) cfg80211_wext_giwap,
-	[IW_IOCTL_IDX(SIOCSIWMLME)]	= (iw_handler) cfg80211_wext_siwmlme,
-	[IW_IOCTL_IDX(SIOCSIWSCAN)]	= (iw_handler) cfg80211_wext_siwscan,
-	[IW_IOCTL_IDX(SIOCGIWSCAN)]	= (iw_handler) cfg80211_wext_giwscan,
-	[IW_IOCTL_IDX(SIOCSIWESSID)]	= (iw_handler) cfg80211_wext_siwessid,
-	[IW_IOCTL_IDX(SIOCGIWESSID)]	= (iw_handler) cfg80211_wext_giwessid,
-	[IW_IOCTL_IDX(SIOCSIWRATE)]	= (iw_handler) cfg80211_wext_siwrate,
-	[IW_IOCTL_IDX(SIOCGIWRATE)]	= (iw_handler) cfg80211_wext_giwrate,
-	[IW_IOCTL_IDX(SIOCSIWRTS)]	= (iw_handler) cfg80211_wext_siwrts,
-	[IW_IOCTL_IDX(SIOCGIWRTS)]	= (iw_handler) cfg80211_wext_giwrts,
-	[IW_IOCTL_IDX(SIOCSIWFRAG)]	= (iw_handler) cfg80211_wext_siwfrag,
-	[IW_IOCTL_IDX(SIOCGIWFRAG)]	= (iw_handler) cfg80211_wext_giwfrag,
-	[IW_IOCTL_IDX(SIOCSIWTXPOW)]	= (iw_handler) cfg80211_wext_siwtxpower,
-	[IW_IOCTL_IDX(SIOCGIWTXPOW)]	= (iw_handler) cfg80211_wext_giwtxpower,
-	[IW_IOCTL_IDX(SIOCSIWRETRY)]	= (iw_handler) cfg80211_wext_siwretry,
-	[IW_IOCTL_IDX(SIOCGIWRETRY)]	= (iw_handler) cfg80211_wext_giwretry,
-	[IW_IOCTL_IDX(SIOCSIWENCODE)]	= (iw_handler) cfg80211_wext_siwencode,
-	[IW_IOCTL_IDX(SIOCGIWENCODE)]	= (iw_handler) cfg80211_wext_giwencode,
-	[IW_IOCTL_IDX(SIOCSIWPOWER)]	= (iw_handler) cfg80211_wext_siwpower,
-	[IW_IOCTL_IDX(SIOCGIWPOWER)]	= (iw_handler) cfg80211_wext_giwpower,
-	[IW_IOCTL_IDX(SIOCSIWGENIE)]	= (iw_handler) cfg80211_wext_siwgenie,
-	[IW_IOCTL_IDX(SIOCSIWAUTH)]	= (iw_handler) cfg80211_wext_siwauth,
-	[IW_IOCTL_IDX(SIOCGIWAUTH)]	= (iw_handler) cfg80211_wext_giwauth,
-	[IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
-	[IW_IOCTL_IDX(SIOCSIWPMKSA)]	= (iw_handler) cfg80211_wext_siwpmksa,
+	[IW_IOCTL_IDX(SIOCGIWNAME)]	= __cfg80211_wext_giwname,
+	[IW_IOCTL_IDX(SIOCSIWFREQ)]	= __cfg80211_wext_siwfreq,
+	[IW_IOCTL_IDX(SIOCGIWFREQ)]	= __cfg80211_wext_giwfreq,
+	[IW_IOCTL_IDX(SIOCSIWMODE)]	= __cfg80211_wext_siwmode,
+	[IW_IOCTL_IDX(SIOCGIWMODE)]	= __cfg80211_wext_giwmode,
+	[IW_IOCTL_IDX(SIOCGIWRANGE)]	= __cfg80211_wext_giwrange,
+	[IW_IOCTL_IDX(SIOCSIWAP)]	= __cfg80211_wext_siwap,
+	[IW_IOCTL_IDX(SIOCGIWAP)]	= __cfg80211_wext_giwap,
+	[IW_IOCTL_IDX(SIOCSIWMLME)]	= __cfg80211_wext_siwmlme,
+	[IW_IOCTL_IDX(SIOCSIWSCAN)]	= cfg80211_wext_siwscan,
+	[IW_IOCTL_IDX(SIOCGIWSCAN)]	= __cfg80211_wext_giwscan,
+	[IW_IOCTL_IDX(SIOCSIWESSID)]	= __cfg80211_wext_siwessid,
+	[IW_IOCTL_IDX(SIOCGIWESSID)]	= __cfg80211_wext_giwessid,
+	[IW_IOCTL_IDX(SIOCSIWRATE)]	= __cfg80211_wext_siwrate,
+	[IW_IOCTL_IDX(SIOCGIWRATE)]	= __cfg80211_wext_giwrate,
+	[IW_IOCTL_IDX(SIOCSIWRTS)]	= __cfg80211_wext_siwrts,
+	[IW_IOCTL_IDX(SIOCGIWRTS)]	= __cfg80211_wext_giwrts,
+	[IW_IOCTL_IDX(SIOCSIWFRAG)]	= __cfg80211_wext_siwfrag,
+	[IW_IOCTL_IDX(SIOCGIWFRAG)]	= __cfg80211_wext_giwfrag,
+	[IW_IOCTL_IDX(SIOCSIWTXPOW)]	= cfg80211_wext_siwtxpower,
+	[IW_IOCTL_IDX(SIOCGIWTXPOW)]	= cfg80211_wext_giwtxpower,
+	[IW_IOCTL_IDX(SIOCSIWRETRY)]	= __cfg80211_wext_siwretry,
+	[IW_IOCTL_IDX(SIOCGIWRETRY)]	= __cfg80211_wext_giwretry,
+	[IW_IOCTL_IDX(SIOCSIWENCODE)]	= __cfg80211_wext_siwencode,
+	[IW_IOCTL_IDX(SIOCGIWENCODE)]	= __cfg80211_wext_giwencode,
+	[IW_IOCTL_IDX(SIOCSIWPOWER)]	= __cfg80211_wext_siwpower,
+	[IW_IOCTL_IDX(SIOCGIWPOWER)]	= __cfg80211_wext_giwpower,
+	[IW_IOCTL_IDX(SIOCSIWGENIE)]	= __cfg80211_wext_siwgenie,
+	[IW_IOCTL_IDX(SIOCSIWAUTH)]	= __cfg80211_wext_siwauth,
+	[IW_IOCTL_IDX(SIOCGIWAUTH)]	= __cfg80211_wext_giwauth,
+	[IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= __cfg80211_wext_siwencodeext,
+	[IW_IOCTL_IDX(SIOCSIWPMKSA)]	= __cfg80211_wext_siwpmksa,
 };
 
 const struct iw_handler_def cfg80211_wext_handler = {
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 4dae3ab..2e80e38b 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -237,7 +237,7 @@
 
 	.uinfo = {
 		.auth = {
-			.icv_truncbits = 96,
+			.icv_truncbits = IS_ENABLED(CONFIG_ANDROID) ? 128 : 96,
 			.icv_fullbits = 256,
 		}
 	},
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index f3bccab..a87fd58 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -585,6 +585,20 @@
 			goto drop;
 		}
 
+		/* If nested tunnel, check outer states before context is lost.
+		 * Only nested tunnels need to be checked, since IP addresses change
+		 * as a result of the tunnel mode decapsulation. Similarly, this check
+		 * is limited to nested tunnels to avoid performing another policy
+		 * check on non-nested tunnels. On success, this check also updates the
+		 * secpath's verified_cnt variable, skipping future verifications of
+		 * previously-verified secpath entries.
+		 */
+		if ((x->outer_mode.flags & XFRM_MODE_FLAG_TUNNEL) &&
+		    sp->verified_cnt < sp->len &&
+		    !xfrm_policy_check(NULL, XFRM_POLICY_IN, skb, family)) {
+			goto drop;
+		}
+
 		skb->mark = xfrm_smark_get(skb->mark, x);
 
 		sp->xvec[sp->len++] = x;
diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c
index 9eaf017..9f34373 100644
--- a/net/xfrm/xfrm_interface_core.c
+++ b/net/xfrm/xfrm_interface_core.c
@@ -207,52 +207,6 @@
 	skb->mark = 0;
 }
 
-static int xfrmi_input(struct sk_buff *skb, int nexthdr, __be32 spi,
-		       int encap_type, unsigned short family)
-{
-	struct sec_path *sp;
-
-	sp = skb_sec_path(skb);
-	if (sp && (sp->len || sp->olen) &&
-	    !xfrm_policy_check(NULL, XFRM_POLICY_IN, skb, family))
-		goto discard;
-
-	XFRM_SPI_SKB_CB(skb)->family = family;
-	if (family == AF_INET) {
-		XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr);
-		XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = NULL;
-	} else {
-		XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
-		XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL;
-	}
-
-	return xfrm_input(skb, nexthdr, spi, encap_type);
-discard:
-	kfree_skb(skb);
-	return 0;
-}
-
-static int xfrmi4_rcv(struct sk_buff *skb)
-{
-	return xfrmi_input(skb, ip_hdr(skb)->protocol, 0, 0, AF_INET);
-}
-
-static int xfrmi6_rcv(struct sk_buff *skb)
-{
-	return xfrmi_input(skb, skb_network_header(skb)[IP6CB(skb)->nhoff],
-			   0, 0, AF_INET6);
-}
-
-static int xfrmi4_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
-{
-	return xfrmi_input(skb, nexthdr, spi, encap_type, AF_INET);
-}
-
-static int xfrmi6_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
-{
-	return xfrmi_input(skb, nexthdr, spi, encap_type, AF_INET6);
-}
-
 static int xfrmi_rcv_cb(struct sk_buff *skb, int err)
 {
 	const struct xfrm_mode *inner_mode;
@@ -274,8 +228,8 @@
 	skb->dev = dev;
 
 	if (err) {
-		DEV_STATS_INC(dev, rx_errors);
-		DEV_STATS_INC(dev, rx_dropped);
+		dev->stats.rx_errors++;
+		dev->stats.rx_dropped++;
 
 		return 0;
 	}
@@ -309,6 +263,7 @@
 xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 {
 	struct xfrm_if *xi = netdev_priv(dev);
+	struct net_device_stats *stats = &xi->dev->stats;
 	struct dst_entry *dst = skb_dst(skb);
 	unsigned int length = skb->len;
 	struct net_device *tdev;
@@ -334,7 +289,7 @@
 	tdev = dst->dev;
 
 	if (tdev == dev) {
-		DEV_STATS_INC(dev, collisions);
+		stats->collisions++;
 		net_warn_ratelimited("%s: Local routing loop detected!\n",
 				     dev->name);
 		goto tx_err_dst_release;
@@ -377,13 +332,13 @@
 		tstats->tx_packets++;
 		u64_stats_update_end(&tstats->syncp);
 	} else {
-		DEV_STATS_INC(dev, tx_errors);
-		DEV_STATS_INC(dev, tx_aborted_errors);
+		stats->tx_errors++;
+		stats->tx_aborted_errors++;
 	}
 
 	return 0;
 tx_err_link_failure:
-	DEV_STATS_INC(dev, tx_carrier_errors);
+	stats->tx_carrier_errors++;
 	dst_link_failure(skb);
 tx_err_dst_release:
 	dst_release(dst);
@@ -393,6 +348,7 @@
 static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct xfrm_if *xi = netdev_priv(dev);
+	struct net_device_stats *stats = &xi->dev->stats;
 	struct dst_entry *dst = skb_dst(skb);
 	struct flowi fl;
 	int ret;
@@ -409,7 +365,7 @@
 			dst = ip6_route_output(dev_net(dev), NULL, &fl.u.ip6);
 			if (dst->error) {
 				dst_release(dst);
-				DEV_STATS_INC(dev, tx_carrier_errors);
+				stats->tx_carrier_errors++;
 				goto tx_err;
 			}
 			skb_dst_set(skb, dst);
@@ -425,7 +381,7 @@
 			fl.u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
 			rt = __ip_route_output_key(dev_net(dev), &fl.u.ip4);
 			if (IS_ERR(rt)) {
-				DEV_STATS_INC(dev, tx_carrier_errors);
+				stats->tx_carrier_errors++;
 				goto tx_err;
 			}
 			skb_dst_set(skb, &rt->dst);
@@ -444,8 +400,8 @@
 	return NETDEV_TX_OK;
 
 tx_err:
-	DEV_STATS_INC(dev, tx_errors);
-	DEV_STATS_INC(dev, tx_dropped);
+	stats->tx_errors++;
+	stats->tx_dropped++;
 	kfree_skb(skb);
 	return NETDEV_TX_OK;
 }
@@ -824,8 +780,8 @@
 };
 
 static struct xfrm6_protocol xfrmi_esp6_protocol __read_mostly = {
-	.handler	=	xfrmi6_rcv,
-	.input_handler	=	xfrmi6_input,
+	.handler	=	xfrm6_rcv,
+	.input_handler	=	xfrm_input,
 	.cb_handler	=	xfrmi_rcv_cb,
 	.err_handler	=	xfrmi6_err,
 	.priority	=	10,
@@ -875,8 +831,8 @@
 #endif
 
 static struct xfrm4_protocol xfrmi_esp4_protocol __read_mostly = {
-	.handler	=	xfrmi4_rcv,
-	.input_handler	=	xfrmi4_input,
+	.handler	=	xfrm4_rcv,
+	.input_handler	=	xfrm_input,
 	.cb_handler	=	xfrmi_rcv_cb,
 	.err_handler	=	xfrmi4_err,
 	.priority	=	10,
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index ac907b9..c890419 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -196,6 +196,7 @@
  */
 static int xfrm4_tunnel_encap_add(struct xfrm_state *x, struct sk_buff *skb)
 {
+	bool small_ipv6 = (skb->protocol == htons(ETH_P_IPV6)) && (skb->len <= IPV6_MIN_MTU);
 	struct dst_entry *dst = skb_dst(skb);
 	struct iphdr *top_iph;
 	int flags;
@@ -226,7 +227,7 @@
 	if (flags & XFRM_STATE_NOECN)
 		IP_ECN_clear(top_iph);
 
-	top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ?
+	top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) || small_ipv6 ?
 		0 : (XFRM_MODE_SKB_CB(skb)->frag_off & htons(IP_DF));
 
 	top_iph->ttl = ip4_dst_hoplimit(xfrm_dst_child(dst));
@@ -402,13 +403,11 @@
 	return -EOPNOTSUPP;
 }
 
-#if IS_ENABLED(CONFIG_NET_PKTGEN)
 int pktgen_xfrm_outer_mode_output(struct xfrm_state *x, struct sk_buff *skb)
 {
 	return xfrm_outer_mode_output(x, skb);
 }
 EXPORT_SYMBOL_GPL(pktgen_xfrm_outer_mode_output);
-#endif
 
 static int xfrm_output_one(struct sk_buff *skb, int err)
 {
@@ -503,22 +502,22 @@
 	return err;
 }
 
-int xfrm_output_resume(struct sock *sk, struct sk_buff *skb, int err)
+int xfrm_output_resume(struct sk_buff *skb, int err)
 {
 	struct net *net = xs_net(skb_dst(skb)->xfrm);
 
 	while (likely((err = xfrm_output_one(skb, err)) == 0)) {
 		nf_reset_ct(skb);
 
-		err = skb_dst(skb)->ops->local_out(net, sk, skb);
+		err = skb_dst(skb)->ops->local_out(net, skb->sk, skb);
 		if (unlikely(err != 1))
 			goto out;
 
 		if (!skb_dst(skb)->xfrm)
-			return dst_output(net, sk, skb);
+			return dst_output(net, skb->sk, skb);
 
 		err = nf_hook(skb_dst(skb)->ops->family,
-			      NF_INET_POST_ROUTING, net, sk, skb,
+			      NF_INET_POST_ROUTING, net, skb->sk, skb,
 			      NULL, skb_dst(skb)->dev, xfrm_output2);
 		if (unlikely(err != 1))
 			goto out;
@@ -534,7 +533,7 @@
 
 static int xfrm_output2(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
-	return xfrm_output_resume(sk, skb, 1);
+	return xfrm_output_resume(skb, 1);
 }
 
 static int xfrm_output_gso(struct net *net, struct sock *sk, struct sk_buff *skb)
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 664d559..e373b04 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1371,6 +1371,8 @@
  * of an absolute inpredictability of ordering of rules. This will not pass. */
 static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
 {
+	static u32 idx_generator;
+
 	for (;;) {
 		struct hlist_head *list;
 		struct xfrm_policy *p;
@@ -1378,8 +1380,8 @@
 		int found;
 
 		if (!index) {
-			idx = (net->xfrm.idx_generator | dir);
-			net->xfrm.idx_generator += 8;
+			idx = (idx_generator | dir);
+			idx_generator += 8;
 		} else {
 			idx = index;
 			index = 0;
@@ -3162,11 +3164,6 @@
 	return dst;
 
 nopol:
-	if ((!dst_orig->dev || !(dst_orig->dev->flags & IFF_LOOPBACK)) &&
-	    net->xfrm.policy_default[dir] == XFRM_USERPOLICY_BLOCK) {
-		err = -EPERM;
-		goto error;
-	}
 	if (!(flags & XFRM_LOOKUP_ICMP)) {
 		dst = dst_orig;
 		goto ok;
@@ -3622,11 +3619,6 @@
 	}
 
 	if (!pol) {
-		if (net->xfrm.policy_default[dir] == XFRM_USERPOLICY_BLOCK) {
-			XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOPOLS);
-			return 0;
-		}
-
 		if (sp && secpath_has_nontransport(sp, 0, &xerr_idx)) {
 			xfrm_secpath_reject(xerr_idx, skb, &fl);
 			XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOPOLS);
@@ -4172,9 +4164,6 @@
 	spin_lock_init(&net->xfrm.xfrm_policy_lock);
 	seqcount_spinlock_init(&net->xfrm.xfrm_policy_hash_generation, &net->xfrm.xfrm_policy_lock);
 	mutex_init(&net->xfrm.xfrm_cfg_mutex);
-	net->xfrm.policy_default[XFRM_POLICY_IN] = XFRM_USERPOLICY_ACCEPT;
-	net->xfrm.policy_default[XFRM_POLICY_FWD] = XFRM_USERPOLICY_ACCEPT;
-	net->xfrm.policy_default[XFRM_POLICY_OUT] = XFRM_USERPOLICY_ACCEPT;
 
 	rv = xfrm_statistics_init(net);
 	if (rv < 0)
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index ba73014..d5ef5a5 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -2409,19 +2409,22 @@
 	if (IS_ERR(data))
 		return PTR_ERR(data);
 
-	if (in_compat_syscall()) {
-		struct xfrm_translator *xtr = xfrm_get_translator();
+	/* Use the 64-bit / untranslated format on Android, even for compat */
+	if (!IS_ENABLED(CONFIG_ANDROID) || IS_ENABLED(CONFIG_XFRM_USER_COMPAT)) {
+		if (in_compat_syscall()) {
+			struct xfrm_translator *xtr = xfrm_get_translator();
 
-		if (!xtr) {
-			kfree(data);
-			return -EOPNOTSUPP;
-		}
+			if (!xtr) {
+				kfree(data);
+				return -EOPNOTSUPP;
+			}
 
-		err = xtr->xlate_user_policy_sockptr(&data, optlen);
-		xfrm_put_translator(xtr);
-		if (err) {
-			kfree(data);
-			return err;
+			err = xtr->xlate_user_policy_sockptr(&data, optlen);
+			xfrm_put_translator(xtr);
+			if (err) {
+				kfree(data);
+				return err;
+			}
 		}
 	}
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 8fce2e93..739f808 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1923,95 +1923,6 @@
 	return skb;
 }
 
-static int xfrm_notify_userpolicy(struct net *net)
-{
-	struct xfrm_userpolicy_default *up;
-	int len = NLMSG_ALIGN(sizeof(*up));
-	struct nlmsghdr *nlh;
-	struct sk_buff *skb;
-	int err;
-
-	skb = nlmsg_new(len, GFP_ATOMIC);
-	if (skb == NULL)
-		return -ENOMEM;
-
-	nlh = nlmsg_put(skb, 0, 0, XFRM_MSG_GETDEFAULT, sizeof(*up), 0);
-	if (nlh == NULL) {
-		kfree_skb(skb);
-		return -EMSGSIZE;
-	}
-
-	up = nlmsg_data(nlh);
-	up->in = net->xfrm.policy_default[XFRM_POLICY_IN];
-	up->fwd = net->xfrm.policy_default[XFRM_POLICY_FWD];
-	up->out = net->xfrm.policy_default[XFRM_POLICY_OUT];
-
-	nlmsg_end(skb, nlh);
-
-	rcu_read_lock();
-	err = xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_POLICY);
-	rcu_read_unlock();
-
-	return err;
-}
-
-static bool xfrm_userpolicy_is_valid(__u8 policy)
-{
-	return policy == XFRM_USERPOLICY_BLOCK ||
-	       policy == XFRM_USERPOLICY_ACCEPT;
-}
-
-static int xfrm_set_default(struct sk_buff *skb, struct nlmsghdr *nlh,
-			    struct nlattr **attrs)
-{
-	struct net *net = sock_net(skb->sk);
-	struct xfrm_userpolicy_default *up = nlmsg_data(nlh);
-
-	if (xfrm_userpolicy_is_valid(up->in))
-		net->xfrm.policy_default[XFRM_POLICY_IN] = up->in;
-
-	if (xfrm_userpolicy_is_valid(up->fwd))
-		net->xfrm.policy_default[XFRM_POLICY_FWD] = up->fwd;
-
-	if (xfrm_userpolicy_is_valid(up->out))
-		net->xfrm.policy_default[XFRM_POLICY_OUT] = up->out;
-
-	rt_genid_bump_all(net);
-
-	xfrm_notify_userpolicy(net);
-	return 0;
-}
-
-static int xfrm_get_default(struct sk_buff *skb, struct nlmsghdr *nlh,
-			    struct nlattr **attrs)
-{
-	struct sk_buff *r_skb;
-	struct nlmsghdr *r_nlh;
-	struct net *net = sock_net(skb->sk);
-	struct xfrm_userpolicy_default *r_up;
-	int len = NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_default));
-	u32 portid = NETLINK_CB(skb).portid;
-	u32 seq = nlh->nlmsg_seq;
-
-	r_skb = nlmsg_new(len, GFP_ATOMIC);
-	if (!r_skb)
-		return -ENOMEM;
-
-	r_nlh = nlmsg_put(r_skb, portid, seq, XFRM_MSG_GETDEFAULT, sizeof(*r_up), 0);
-	if (!r_nlh) {
-		kfree_skb(r_skb);
-		return -EMSGSIZE;
-	}
-
-	r_up = nlmsg_data(r_nlh);
-	r_up->in = net->xfrm.policy_default[XFRM_POLICY_IN];
-	r_up->fwd = net->xfrm.policy_default[XFRM_POLICY_FWD];
-	r_up->out = net->xfrm.policy_default[XFRM_POLICY_OUT];
-	nlmsg_end(r_skb, r_nlh);
-
-	return nlmsg_unicast(net->xfrm.nlsk, r_skb, portid);
-}
-
 static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
 		struct nlattr **attrs)
 {
@@ -2719,8 +2630,6 @@
 	[XFRM_MSG_GETSADINFO  - XFRM_MSG_BASE] = sizeof(u32),
 	[XFRM_MSG_NEWSPDINFO  - XFRM_MSG_BASE] = sizeof(u32),
 	[XFRM_MSG_GETSPDINFO  - XFRM_MSG_BASE] = sizeof(u32),
-	[XFRM_MSG_SETDEFAULT  - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
-	[XFRM_MSG_GETDEFAULT  - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
 };
 EXPORT_SYMBOL_GPL(xfrm_msg_min);
 
@@ -2801,8 +2710,6 @@
 						   .nla_pol = xfrma_spd_policy,
 						   .nla_max = XFRMA_SPD_MAX },
 	[XFRM_MSG_GETSPDINFO  - XFRM_MSG_BASE] = { .doit = xfrm_get_spdinfo   },
-	[XFRM_MSG_SETDEFAULT  - XFRM_MSG_BASE] = { .doit = xfrm_set_default   },
-	[XFRM_MSG_GETDEFAULT  - XFRM_MSG_BASE] = { .doit = xfrm_get_default   },
 };
 
 static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
@@ -2825,19 +2732,22 @@
 	if (!netlink_net_capable(skb, CAP_NET_ADMIN))
 		return -EPERM;
 
-	if (in_compat_syscall()) {
-		struct xfrm_translator *xtr = xfrm_get_translator();
+	/* Use the 64-bit / untranslated format on Android, even for compat */
+	if (!IS_ENABLED(CONFIG_ANDROID) || IS_ENABLED(CONFIG_XFRM_USER_COMPAT)) {
+		if (in_compat_syscall()) {
+			struct xfrm_translator *xtr = xfrm_get_translator();
 
-		if (!xtr)
-			return -EOPNOTSUPP;
+			if (!xtr)
+				return -EOPNOTSUPP;
 
-		nlh64 = xtr->rcv_msg_compat(nlh, link->nla_max,
-					    link->nla_pol, extack);
-		xfrm_put_translator(xtr);
-		if (IS_ERR(nlh64))
-			return PTR_ERR(nlh64);
-		if (nlh64)
-			nlh = nlh64;
+			nlh64 = xtr->rcv_msg_compat(nlh, link->nla_max,
+						    link->nla_pol, extack);
+			xfrm_put_translator(xtr);
+			if (IS_ERR(nlh64))
+				return PTR_ERR(nlh64);
+			if (nlh64)
+				nlh = nlh64;
+		}
 	}
 
 	if ((type == (XFRM_MSG_GETSA - XFRM_MSG_BASE) ||
diff --git a/samples/crypto/fips140_lab_util.c b/samples/crypto/fips140_lab_util.c
new file mode 100644
index 0000000..5f8e901
--- /dev/null
+++ b/samples/crypto/fips140_lab_util.c
@@ -0,0 +1,638 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ *
+ * This program provides commands that dump certain types of output from the
+ * fips140 kernel module, as required by the FIPS lab for evaluation purposes.
+ *
+ * While the fips140 kernel module can only be accessed directly by other kernel
+ * code, an easy-to-use userspace utility program was desired for lab testing.
+ * When possible, this program uses AF_ALG to access the crypto algorithms; this
+ * requires that the kernel has AF_ALG enabled.  Where AF_ALG isn't sufficient,
+ * a custom device node /dev/fips140 is used instead; this requires that the
+ * fips140 module is loaded and has evaluation testing support compiled in.
+ *
+ * This program can be compiled and run on an Android device as follows:
+ *
+ *	NDK_DIR=$HOME/android-ndk-r23b  # adjust directory path as needed
+ *	$NDK_DIR/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android31-clang \
+ *		fips140_lab_util.c -O2 -Wall -o fips140_lab_util
+ *	adb push fips140_lab_util /data/local/tmp/
+ *	adb root
+ *	adb shell /data/local/tmp/fips140_lab_util
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <limits.h>
+#include <linux/if_alg.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+#include <unistd.h>
+
+#include "../../crypto/fips140-eval-testing-uapi.h"
+
+/* ---------------------------------------------------------------------------
+ *			       Utility functions
+ * ---------------------------------------------------------------------------*/
+
+#define ARRAY_SIZE(A)	(sizeof(A) / sizeof((A)[0]))
+#define MIN(a, b)	((a) < (b) ? (a) : (b))
+#define MAX(a, b)	((a) > (b) ? (a) : (b))
+
+static void __attribute__((noreturn))
+do_die(const char *format, va_list va, int err)
+{
+	fputs("ERROR: ", stderr);
+	vfprintf(stderr, format, va);
+	if (err)
+		fprintf(stderr, ": %s", strerror(err));
+	putc('\n', stderr);
+	exit(1);
+}
+
+static void __attribute__((noreturn, format(printf, 1, 2)))
+die_errno(const char *format, ...)
+{
+	va_list va;
+
+	va_start(va, format);
+	do_die(format, va, errno);
+	va_end(va);
+}
+
+static void __attribute__((noreturn, format(printf, 1, 2)))
+die(const char *format, ...)
+{
+	va_list va;
+
+	va_start(va, format);
+	do_die(format, va, 0);
+	va_end(va);
+}
+
+static void __attribute__((noreturn))
+assertion_failed(const char *expr, const char *file, int line)
+{
+	die("Assertion failed: %s at %s:%d", expr, file, line);
+}
+
+#define ASSERT(e) ({ if (!(e)) assertion_failed(#e, __FILE__, __LINE__); })
+
+static void rand_bytes(uint8_t *bytes, size_t count)
+{
+	size_t i;
+
+	for (i = 0; i < count; i++)
+		bytes[i] = rand();
+}
+
+static const char *booltostr(bool b)
+{
+	return b ? "true" : "false";
+}
+
+static const char *bytes_to_hex(const uint8_t *bytes, size_t count)
+{
+	static char hex[1025];
+	size_t i;
+
+	ASSERT(count <= 512);
+	for (i = 0; i < count; i++)
+		sprintf(&hex[2*i], "%02x", bytes[i]);
+	return hex;
+}
+
+static void full_write(int fd, const void *buf, size_t count)
+{
+	while (count) {
+		ssize_t ret = write(fd, buf, count);
+
+		if (ret < 0)
+			die_errno("write failed");
+		buf += ret;
+		count -= ret;
+	}
+}
+
+enum {
+	OPT_AMOUNT,
+	OPT_ITERATIONS,
+};
+
+static void usage(void);
+
+/* ---------------------------------------------------------------------------
+ *			      /dev/fips140 ioctls
+ * ---------------------------------------------------------------------------*/
+
+static int get_fips140_device_number(void)
+{
+	FILE *f;
+	char line[128];
+	int number;
+	char name[32];
+
+	f = fopen("/proc/devices", "r");
+	if (!f)
+		die_errno("Failed to open /proc/devices");
+	while (fgets(line, sizeof(line), f)) {
+		if (sscanf(line, "%d %31s", &number, name) == 2 &&
+		    strcmp(name, "fips140") == 0)
+			return number;
+	}
+	fclose(f);
+	die("fips140 device node is unavailable.\n"
+"The fips140 device node is only available when the fips140 module is loaded\n"
+"and has been built with evaluation testing support.");
+}
+
+static void create_fips140_node_if_needed(void)
+{
+	struct stat stbuf;
+	int major;
+
+	if (stat("/dev/fips140", &stbuf) == 0)
+		return;
+
+	major = get_fips140_device_number();
+	if (mknod("/dev/fips140", S_IFCHR | 0600, makedev(major, 1)) != 0)
+		die_errno("Failed to create fips140 device node");
+}
+
+static int fips140_dev_fd = -1;
+
+static int fips140_ioctl(int cmd, const void *arg)
+{
+	if (fips140_dev_fd < 0) {
+		create_fips140_node_if_needed();
+		fips140_dev_fd = open("/dev/fips140", O_RDONLY);
+		if (fips140_dev_fd < 0)
+			die_errno("Failed to open /dev/fips140");
+	}
+	return ioctl(fips140_dev_fd, cmd, arg);
+}
+
+static bool fips140_is_approved_service(const char *name)
+{
+	int ret = fips140_ioctl(FIPS140_IOCTL_IS_APPROVED_SERVICE, name);
+
+	if (ret < 0)
+		die_errno("FIPS140_IOCTL_IS_APPROVED_SERVICE unexpectedly failed");
+	if (ret == 1)
+		return true;
+	if (ret == 0)
+		return false;
+	die("FIPS140_IOCTL_IS_APPROVED_SERVICE returned unexpected value %d",
+	    ret);
+}
+
+static const char *fips140_module_version(void)
+{
+	static char buf[256];
+	int ret;
+
+	memset(buf, 0, sizeof(buf));
+	ret = fips140_ioctl(FIPS140_IOCTL_MODULE_VERSION, buf);
+	if (ret < 0)
+		die_errno("FIPS140_IOCTL_MODULE_VERSION unexpectedly failed");
+	if (ret != 0)
+		die("FIPS140_IOCTL_MODULE_VERSION returned unexpected value %d",
+		    ret);
+	return buf;
+}
+
+/* ---------------------------------------------------------------------------
+ *				AF_ALG utilities
+ * ---------------------------------------------------------------------------*/
+
+#define AF_ALG_MAX_RNG_REQUEST_SIZE	128
+
+static int get_alg_fd(const char *alg_type, const char *alg_name)
+{
+	struct sockaddr_alg addr = {};
+	int alg_fd;
+
+	alg_fd = socket(AF_ALG, SOCK_SEQPACKET, 0);
+	if (alg_fd < 0)
+		die("Failed to create AF_ALG socket.\n"
+"AF_ALG is only available when it has been enabled in the kernel.\n");
+
+	strncpy((char *)addr.salg_type, alg_type, sizeof(addr.salg_type) - 1);
+	strncpy((char *)addr.salg_name, alg_name, sizeof(addr.salg_name) - 1);
+
+	if (bind(alg_fd, (void *)&addr, sizeof(addr)) != 0)
+		die_errno("Failed to bind AF_ALG socket to %s %s",
+			  alg_type, alg_name);
+	return alg_fd;
+}
+
+static int get_req_fd(int alg_fd, const char *alg_name)
+{
+	int req_fd = accept(alg_fd, NULL, NULL);
+
+	if (req_fd < 0)
+		die_errno("Failed to get request file descriptor for %s",
+			  alg_name);
+	return req_fd;
+}
+
+/* ---------------------------------------------------------------------------
+ *			   dump_jitterentropy command
+ * ---------------------------------------------------------------------------*/
+
+static void dump_from_jent_fd(int fd, size_t count)
+{
+	uint8_t buf[AF_ALG_MAX_RNG_REQUEST_SIZE];
+
+	while (count) {
+		ssize_t ret;
+
+		memset(buf, 0, sizeof(buf));
+		ret = read(fd, buf, MIN(count, sizeof(buf)));
+		if (ret < 0)
+			die_errno("error reading from jitterentropy_rng");
+		full_write(STDOUT_FILENO, buf, ret);
+		count -= ret;
+	}
+}
+
+static int cmd_dump_jitterentropy(int argc, char *argv[])
+{
+	static const struct option longopts[] = {
+		{ "amount", required_argument, NULL, OPT_AMOUNT },
+		{ "iterations", required_argument, NULL, OPT_ITERATIONS },
+		{ NULL, 0, NULL, 0 },
+	};
+	size_t amount = 128;
+	size_t iterations = 1;
+	size_t i;
+	int c;
+
+	while ((c = getopt_long(argc, argv, "", longopts, NULL)) != -1) {
+		switch (c) {
+		case OPT_AMOUNT:
+			amount = strtoul(optarg, NULL, 0);
+			if (amount <= 0 || amount >= ULONG_MAX)
+				die("invalid argument to --amount");
+			break;
+		case OPT_ITERATIONS:
+			iterations = strtoul(optarg, NULL, 0);
+			if (iterations <= 0 || iterations >= ULONG_MAX)
+				die("invalid argument to --iterations");
+			break;
+		default:
+			usage();
+			return 1;
+		}
+	}
+
+	for (i = 0; i < iterations; i++) {
+		int alg_fd = get_alg_fd("rng", "jitterentropy_rng");
+		int req_fd = get_req_fd(alg_fd, "jitterentropy_rng");
+
+		dump_from_jent_fd(req_fd, amount);
+
+		close(req_fd);
+		close(alg_fd);
+	}
+	return 0;
+}
+
+/* ---------------------------------------------------------------------------
+ *			  show_invalid_inputs command
+ * ---------------------------------------------------------------------------*/
+
+enum direction {
+	UNSPECIFIED,
+	DECRYPT,
+	ENCRYPT,
+};
+
+static const struct invalid_input_test {
+	const char *alg_type;
+	const char *alg_name;
+	const char *key;
+	size_t key_size;
+	const char *msg;
+	size_t msg_size;
+	const char *iv;
+	size_t iv_size;
+	enum direction direction;
+	int setkey_error;
+	int crypt_error;
+} invalid_input_tests[] = {
+	{
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 16,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 17,
+		.setkey_error = EINVAL,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 24,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 32,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 33,
+		.setkey_error = EINVAL,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 16,
+		.msg_size = 1,
+		.direction = DECRYPT,
+		.crypt_error = EINVAL,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 16,
+		.msg_size = 16,
+		.direction = ENCRYPT,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "cbc(aes)",
+		.key_size = 16,
+		.msg_size = 17,
+		.direction = ENCRYPT,
+		.crypt_error = EINVAL,
+	}, {
+		.alg_type = "hash",
+		.alg_name = "cmac(aes)",
+		.key_size = 29,
+		.setkey_error = EINVAL,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "xts(aes)",
+		.key_size = 32,
+	}, {
+		.alg_type = "skcipher",
+		.alg_name = "xts(aes)",
+		.key = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
+		       "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
+		.key_size = 32,
+		.setkey_error = EINVAL,
+	}
+};
+
+static const char *describe_crypt_op(const struct invalid_input_test *t)
+{
+	if (t->direction == ENCRYPT)
+		return "encryption";
+	if (t->direction == DECRYPT)
+		return "decryption";
+	if (strcmp(t->alg_type, "hash") == 0)
+		return "hashing";
+	ASSERT(0);
+}
+
+static bool af_alg_setkey(const struct invalid_input_test *t, int alg_fd)
+{
+	const uint8_t *key = (const uint8_t *)t->key;
+	uint8_t _key[t->key_size];
+
+	if (t->key_size == 0)
+		return true;
+
+	if (t->key == NULL) {
+		rand_bytes(_key, t->key_size);
+		key = _key;
+	}
+	if (setsockopt(alg_fd, SOL_ALG, ALG_SET_KEY, key, t->key_size) != 0) {
+		printf("%s: setting %zu-byte key failed with error '%s'\n",
+		       t->alg_name, t->key_size, strerror(errno));
+		printf("\tkey was %s\n\n", bytes_to_hex(key, t->key_size));
+		ASSERT(t->setkey_error == errno);
+		return false;
+	}
+	printf("%s: setting %zu-byte key succeeded\n",
+	       t->alg_name, t->key_size);
+	printf("\tkey was %s\n\n", bytes_to_hex(key, t->key_size));
+	ASSERT(t->setkey_error == 0);
+	return true;
+}
+
+static void af_alg_process_msg(const struct invalid_input_test *t, int alg_fd)
+{
+	struct iovec iov;
+	struct msghdr hdr = {
+		.msg_iov = &iov,
+		.msg_iovlen = 1,
+	};
+	const uint8_t *msg = (const uint8_t *)t->msg;
+	uint8_t *_msg = NULL;
+	uint8_t *output = NULL;
+	uint8_t *control = NULL;
+	size_t controllen = 0;
+	struct cmsghdr *cmsg;
+	int req_fd;
+
+	if (t->msg_size == 0)
+		return;
+
+	req_fd = get_req_fd(alg_fd, t->alg_name);
+
+	if (t->msg == NULL) {
+		_msg = malloc(t->msg_size);
+		rand_bytes(_msg, t->msg_size);
+		msg = _msg;
+	}
+	output = malloc(t->msg_size);
+	iov.iov_base = (void *)msg;
+	iov.iov_len = t->msg_size;
+
+	if (t->direction != UNSPECIFIED)
+		controllen += CMSG_SPACE(sizeof(uint32_t));
+	if (t->iv_size)
+		controllen += CMSG_SPACE(sizeof(struct af_alg_iv) + t->iv_size);
+	control = calloc(1, controllen);
+	hdr.msg_control = control;
+	hdr.msg_controllen = controllen;
+	cmsg = CMSG_FIRSTHDR(&hdr);
+	if (t->direction != UNSPECIFIED) {
+		cmsg->cmsg_level = SOL_ALG;
+		cmsg->cmsg_type = ALG_SET_OP;
+		cmsg->cmsg_len = CMSG_LEN(sizeof(uint32_t));
+		*(uint32_t *)CMSG_DATA(cmsg) = t->direction == DECRYPT ?
+				ALG_OP_DECRYPT : ALG_OP_ENCRYPT;
+		cmsg = CMSG_NXTHDR(&hdr, cmsg);
+	}
+	if (t->iv_size) {
+		struct af_alg_iv *alg_iv;
+
+		cmsg->cmsg_level = SOL_ALG;
+		cmsg->cmsg_type = ALG_SET_IV;
+		cmsg->cmsg_len = CMSG_LEN(sizeof(*alg_iv) + t->iv_size);
+		alg_iv = (struct af_alg_iv *)CMSG_DATA(cmsg);
+		alg_iv->ivlen = t->iv_size;
+		memcpy(alg_iv->iv, t->iv, t->iv_size);
+	}
+
+	if (sendmsg(req_fd, &hdr, 0) != t->msg_size)
+		die_errno("sendmsg failed");
+
+	if (read(req_fd, output, t->msg_size) != t->msg_size) {
+		printf("%s: %s of %zu-byte message failed with error '%s'\n",
+		       t->alg_name, describe_crypt_op(t), t->msg_size,
+		       strerror(errno));
+		printf("\tmessage was %s\n\n", bytes_to_hex(msg, t->msg_size));
+		ASSERT(t->crypt_error == errno);
+	} else {
+		printf("%s: %s of %zu-byte message succeeded\n",
+		       t->alg_name, describe_crypt_op(t), t->msg_size);
+		printf("\tmessage was %s\n\n", bytes_to_hex(msg, t->msg_size));
+		ASSERT(t->crypt_error == 0);
+	}
+	free(_msg);
+	free(output);
+	free(control);
+	close(req_fd);
+}
+
+static void test_invalid_input(const struct invalid_input_test *t)
+{
+	int alg_fd = get_alg_fd(t->alg_type, t->alg_name);
+
+	if (af_alg_setkey(t, alg_fd))
+		af_alg_process_msg(t, alg_fd);
+
+	close(alg_fd);
+}
+
+static int cmd_show_invalid_inputs(int argc, char *argv[])
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(invalid_input_tests); i++)
+		test_invalid_input(&invalid_input_tests[i]);
+	return 0;
+}
+
+/* ---------------------------------------------------------------------------
+ *			  show_module_version command
+ * ---------------------------------------------------------------------------*/
+
+static int cmd_show_module_version(int argc, char *argv[])
+{
+	printf("fips140_module_version() => \"%s\"\n",
+	       fips140_module_version());
+	return 0;
+}
+
+/* ---------------------------------------------------------------------------
+ *			show_service_indicators command
+ * ---------------------------------------------------------------------------*/
+
+static const char * const default_services_to_show[] = {
+	"aes",
+	"cbc(aes)",
+	"cbcmac(aes)",
+	"cmac(aes)",
+	"ctr(aes)",
+	"cts(cbc(aes))",
+	"ecb(aes)",
+	"essiv(cbc(aes),sha256)",
+	"gcm(aes)",
+	"hmac(sha1)",
+	"hmac(sha224)",
+	"hmac(sha256)",
+	"hmac(sha384)",
+	"hmac(sha512)",
+	"jitterentropy_rng",
+	"sha1",
+	"sha224",
+	"sha256",
+	"sha384",
+	"sha512",
+	"stdrng",
+	"xcbc(aes)",
+	"xts(aes)",
+};
+
+static int cmd_show_service_indicators(int argc, char *argv[])
+{
+	const char * const *services = default_services_to_show;
+	int count = ARRAY_SIZE(default_services_to_show);
+	int i;
+
+	if (argc > 1) {
+		services = (const char **)(argv + 1);
+		count = argc - 1;
+	}
+	for (i = 0; i < count; i++) {
+		printf("fips140_is_approved_service(\"%s\") => %s\n",
+		       services[i],
+		       booltostr(fips140_is_approved_service(services[i])));
+	}
+	return 0;
+}
+
+/* ---------------------------------------------------------------------------
+ *				     main()
+ * ---------------------------------------------------------------------------*/
+
+static const struct command {
+	const char *name;
+	int (*func)(int argc, char *argv[]);
+} commands[] = {
+	{ "dump_jitterentropy", cmd_dump_jitterentropy },
+	{ "show_invalid_inputs", cmd_show_invalid_inputs },
+	{ "show_module_version", cmd_show_module_version },
+	{ "show_service_indicators", cmd_show_service_indicators },
+};
+
+static void usage(void)
+{
+	fprintf(stderr,
+"Usage:\n"
+"       fips140_lab_util dump_jitterentropy [OPTION]...\n"
+"       fips140_lab_util show_invalid_inputs\n"
+"       fips140_lab_util show_module_version\n"
+"       fips140_lab_util show_service_indicators [SERVICE]...\n"
+"\n"
+"Options for dump_jitterentropy:\n"
+"  --amount=AMOUNT      Amount to dump in bytes per iteration (default 128)\n"
+"  --iterations=COUNT   Number of start-up iterations (default 1)\n"
+	);
+}
+
+int main(int argc, char *argv[])
+{
+	int i;
+
+	if (argc < 2) {
+		usage();
+		return 2;
+	}
+	for (i = 1; i < argc; i++) {
+		if (strcmp(argv[i], "--help") == 0) {
+			usage();
+			return 2;
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(commands); i++) {
+		if (strcmp(commands[i].name, argv[1]) == 0)
+			return commands[i].func(argc - 1, argv + 1);
+	}
+	fprintf(stderr, "Unknown command: %s\n\n", argv[1]);
+	usage();
+	return 2;
+}
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 25696de..ba2a475 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -67,90 +67,6 @@
 	fi
 endef
 
-######
-# gcc support functions
-# See documentation in Documentation/kbuild/makefiles.rst
-
-# cc-cross-prefix
-# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
-# Return first <prefix> where a <prefix>gcc is found in PATH.
-# If no gcc found in PATH with listed prefixes return nothing
-#
-# Note: '2>/dev/null' is here to force Make to invoke a shell. Otherwise, it
-# would try to directly execute the shell builtin 'command'. This workaround
-# should be kept for a long time since this issue was fixed only after the
-# GNU Make 4.2.1 release.
-cc-cross-prefix = $(firstword $(foreach c, $(1), \
-			$(if $(shell command -v -- $(c)gcc 2>/dev/null), $(c))))
-
-# output directory for tests below
-TMPOUT = $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_$$$$
-
-# try-run
-# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
-# Exit code chooses option. "$$TMP" serves as a temporary file and is
-# automatically cleaned up.
-try-run = $(shell set -e;		\
-	TMP=$(TMPOUT)/tmp;		\
-	TMPO=$(TMPOUT)/tmp.o;		\
-	mkdir -p $(TMPOUT);		\
-	trap "rm -rf $(TMPOUT)" EXIT;	\
-	if ($(1)) >/dev/null 2>&1;	\
-	then echo "$(2)";		\
-	else echo "$(3)";		\
-	fi)
-
-# as-option
-# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
-
-as-option = $(call try-run,\
-	$(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2))
-
-# as-instr
-# Usage: cflags-y += $(call as-instr,instr,option1,option2)
-
-as-instr = $(call try-run,\
-	printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))
-
-# __cc-option
-# Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586)
-__cc-option = $(call try-run,\
-	$(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4))
-
-# cc-option
-# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
-
-cc-option = $(call __cc-option, $(CC),\
-	$(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS),$(1),$(2))
-
-# cc-option-yn
-# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
-cc-option-yn = $(call try-run,\
-	$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
-
-# cc-disable-warning
-# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
-cc-disable-warning = $(call try-run,\
-	$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
-
-# cc-ifversion
-# Usage:  EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
-cc-ifversion = $(shell [ $(CONFIG_GCC_VERSION)0 $(1) $(2)000 ] && echo $(3) || echo $(4))
-
-# ld-option
-# Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y)
-ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3))
-
-# ld-version
-# Note this is mainly for HJ Lu's 3 number binutil versions
-ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh)
-
-# ld-ifversion
-# Usage:  $(call ld-ifversion, -ge, 22252, y)
-ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4))
-
-######
-
 ###
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
 # Usage:
diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include
index 6d37cb7..88cac78 100644
--- a/scripts/Kconfig.include
+++ b/scripts/Kconfig.include
@@ -39,8 +39,23 @@
 $(error-if,$(failure,command -v $(CC)),compiler '$(CC)' not found)
 $(error-if,$(failure,command -v $(LD)),linker '$(LD)' not found)
 
-# Fail if the linker is gold as it's not capable of linking the kernel proper
-$(error-if,$(success, $(LD) -v | grep -q gold), gold linker '$(LD)' not supported)
+# Get the compiler name, version, and error out if it is not supported.
+cc-info := $(shell,$(srctree)/scripts/cc-version.sh $(CC))
+$(error-if,$(success,test -z "$(cc-info)"),Sorry$(comma) this compiler is not supported.)
+cc-name := $(shell,set -- $(cc-info) && echo $1)
+cc-version := $(shell,set -- $(cc-info) && echo $2)
+
+# Get the assembler name, version, and error out if it is not supported.
+as-info := $(shell,$(srctree)/scripts/as-version.sh $(CC) $(CLANG_FLAGS))
+$(error-if,$(success,test -z "$(as-info)"),Sorry$(comma) this assembler is not supported.)
+as-name := $(shell,set -- $(as-info) && echo $1)
+as-version := $(shell,set -- $(as-info) && echo $2)
+
+# Get the linker name, version, and error out if it is not supported.
+ld-info := $(shell,$(srctree)/scripts/ld-version.sh $(LD))
+$(error-if,$(success,test -z "$(ld-info)"),Sorry$(comma) this linker is not supported.)
+ld-name := $(shell,set -- $(ld-info) && echo $1)
+ld-version := $(shell,set -- $(ld-info) && echo $2)
 
 # Get the assembler name, version, and error out if it is not supported.
 as-info := $(shell,$(srctree)/scripts/as-version.sh $(CC) $(CLANG_FLAGS))
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index 82ad63d..1d501c57 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -14,10 +14,10 @@
 
 # $(generic)/Kbuild lists mandatory-y. Exclude um since it is a special case.
 ifneq ($(SRCARCH),um)
-include $(generic)/Kbuild
+include $(srctree)/$(generic)/Kbuild
 endif
 
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
 
 redundant := $(filter $(mandatory-y) $(generated-y), $(generic-y))
 redundant += $(foreach f, $(generic-y), $(if $(wildcard $(srctree)/$(src)/$(f)),$(f)))
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 17e8b20..37c628f 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -36,27 +36,28 @@
 # Read auto.conf if it exists, otherwise ignore
 -include include/config/auto.conf
 
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
+include $(srctree)/scripts/Makefile.compiler
 
 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
 kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
 include $(kbuild-file)
 
-include scripts/Makefile.lib
+include $(srctree)/scripts/Makefile.lib
 
 # Do not include hostprogs rules unless needed.
 # $(sort ...) is used here to remove duplicated words and excessive spaces.
 hostprogs := $(sort $(hostprogs))
 ifneq ($(hostprogs),)
-include scripts/Makefile.host
+include $(srctree)/scripts/Makefile.host
 endif
 
 # Do not include userprogs rules unless needed.
 # $(sort ...) is used here to remove duplicated words and excessive spaces.
 userprogs := $(sort $(userprogs))
 ifneq ($(userprogs),)
-include scripts/Makefile.userprogs
+include $(srctree)/scripts/Makefile.userprogs
 endif
 
 ifndef obj
@@ -88,6 +89,10 @@
 
 targets-for-modules := $(patsubst %.o, %.mod, $(filter %.o, $(obj-m)))
 
+ifdef CONFIG_LTO_CLANG
+targets-for-modules += $(patsubst %.o, %.lto.o, $(filter %.o, $(obj-m)))
+endif
+
 ifdef need-modorder
 targets-for-modules += $(obj)/modules.order
 endif
@@ -111,7 +116,7 @@
 # ---------------------------------------------------------------------------
 
 quiet_cmd_cc_s_c = CC $(quiet_modtag)  $@
-      cmd_cc_s_c = $(CC) $(filter-out $(DEBUG_CFLAGS), $(c_flags)) -fverbose-asm -S -o $@ $<
+      cmd_cc_s_c = $(CC) $(filter-out $(DEBUG_CFLAGS) $(CC_FLAGS_LTO), $(c_flags)) -fverbose-asm -S -o $@ $<
 
 $(obj)/%.s: $(src)/%.c FORCE
 	$(call if_changed_dep,cc_s_c)
@@ -166,6 +171,15 @@
 #   the actual value of the checksum generated by genksyms
 # o remove .tmp_<file>.o to <file>.o
 
+ifdef CONFIG_LTO_CLANG
+# Generate .o.symversions files for each .o with exported symbols, and link these
+# to the kernel and/or modules at the end.
+cmd_modversions_c =								\
+	if $(NM) $@ 2>/dev/null | grep -q __ksymtab; then			\
+		$(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))	\
+		    > $@.symversions;						\
+	fi;
+else
 cmd_modversions_c =								\
 	if $(OBJDUMP) -h $@ | grep -q __ksymtab; then				\
 		$(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))	\
@@ -177,9 +191,9 @@
 		rm -f $(@D)/.tmp_$(@F:.o=.ver);					\
 	fi
 endif
+endif
 
-ifdef CONFIG_FTRACE_MCOUNT_RECORD
-ifndef CC_USING_RECORD_MCOUNT
+ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
 # compiler will not generate __mcount_loc use recordmcount or recordmcount.pl
 ifdef BUILD_C_RECORDMCOUNT
 ifeq ("$(origin RECORDMCOUNT_WARN)", "command line")
@@ -206,37 +220,14 @@
 endif # BUILD_C_RECORDMCOUNT
 cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)),	\
 	$(sub_cmd_record_mcount))
-endif # CC_USING_RECORD_MCOUNT
-endif # CONFIG_FTRACE_MCOUNT_RECORD
+endif # CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
 
 ifdef CONFIG_STACK_VALIDATION
+ifndef CONFIG_LTO_CLANG
 ifneq ($(SKIP_STACK_VALIDATION),1)
 
 __objtool_obj := $(objtree)/tools/objtool/objtool
 
-objtool_args = $(if $(CONFIG_UNWINDER_ORC),orc generate,check)
-
-objtool_args += $(if $(part-of-module), --module,)
-
-ifndef CONFIG_FRAME_POINTER
-objtool_args += --no-fp
-endif
-ifdef CONFIG_GCOV_KERNEL
-objtool_args += --no-unreachable
-endif
-ifdef CONFIG_RETPOLINE
-  objtool_args += --retpoline
-endif
-ifdef CONFIG_RETHUNK
-  objtool_args += --rethunk
-endif
-ifdef CONFIG_X86_SMAP
-  objtool_args += --uaccess
-endif
-ifdef CONFIG_SLS
-  objtool_args += --sls
-endif
-
 # 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory
 # 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file
 # 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file
@@ -248,6 +239,7 @@
 	$(__objtool_obj))
 
 endif # SKIP_STACK_VALIDATION
+endif # CONFIG_LTO_CLANG
 endif # CONFIG_STACK_VALIDATION
 
 # Rebuild all objects when objtool changes, or is enabled/disabled.
@@ -286,12 +278,35 @@
 	$(call if_changed_rule,cc_o_c)
 	$(call cmd,force_checksrc)
 
+ifdef CONFIG_LTO_CLANG
+# Module .o files may contain LLVM bitcode, compile them into native code
+# before ELF processing
+quiet_cmd_cc_lto_link_modules = LTO [M] $@
+cmd_cc_lto_link_modules =						\
+	$(LD) $(ld_flags) -r -o $@					\
+		$(shell [ -s $(@:.lto.o=.o.symversions) ] &&		\
+			echo -T $(@:.lto.o=.o.symversions))		\
+		--whole-archive $(filter-out FORCE,$^)
+
+ifdef CONFIG_STACK_VALIDATION
+ifneq ($(SKIP_STACK_VALIDATION),1)
+# objtool was skipped for LLVM bitcode, run it now that we have compiled
+# modules into native code
+cmd_cc_lto_link_modules += ;						\
+	$(objtree)/tools/objtool/objtool $(objtool_args) --module $@
+endif # SKIP_STACK_VALIDATION
+endif
+
+$(obj)/%.lto.o: $(obj)/%.o FORCE
+	$(call if_changed,cc_lto_link_modules)
+endif
+
 cmd_mod = { \
 	echo $(if $($*-objs)$($*-y)$($*-m), $(addprefix $(obj)/, $($*-objs) $($*-y) $($*-m)), $(@:.mod=.o)); \
 	$(undefined_syms) echo; \
 	} > $@
 
-$(obj)/%.mod: $(obj)/%.o FORCE
+$(obj)/%.mod: $(obj)/%$(mod-prelink-ext).o FORCE
 	$(call if_changed,mod)
 
 quiet_cmd_cc_lst_c = MKLST   $@
@@ -395,6 +410,18 @@
 $(subdir-builtin): $(obj)/%/built-in.a: $(obj)/% ;
 $(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
 
+# combine symversions for later processing
+quiet_cmd_update_lto_symversions = SYMVER  $@
+ifeq ($(CONFIG_LTO_CLANG) $(CONFIG_MODVERSIONS),y y)
+      cmd_update_lto_symversions =					\
+	rm -f $@.symversions						\
+	$(foreach n, $(filter-out FORCE,$^),				\
+		$(if $(shell test -s $(n).symversions && echo y),	\
+			; cat $(n).symversions >> $@.symversions))
+else
+      cmd_update_lto_symversions = echo >/dev/null
+endif
+
 #
 # Rule to compile a set of .o files into one .a file (without symbol table)
 #
@@ -402,8 +429,11 @@
 quiet_cmd_ar_builtin = AR      $@
       cmd_ar_builtin = rm -f $@; $(AR) cDPrST $@ $(real-prereqs)
 
+quiet_cmd_ar_and_symver = AR      $@
+      cmd_ar_and_symver = $(cmd_update_lto_symversions); $(cmd_ar_builtin)
+
 $(obj)/built-in.a: $(real-obj-y) FORCE
-	$(call if_changed,ar_builtin)
+	$(call if_changed,ar_and_symver)
 
 #
 # Rule to create modules.order file
@@ -423,15 +453,26 @@
 #
 # Rule to compile a set of .o files into one .a file (with symbol table)
 #
+quiet_cmd_ar_lib = AR      $@
+      cmd_ar_lib = $(cmd_update_lto_symversions); $(cmd_ar)
+
 $(obj)/lib.a: $(lib-y) FORCE
-	$(call if_changed,ar)
+	$(call if_changed,ar_lib)
 
 # NOTE:
 # Do not replace $(filter %.o,^) with $(real-prereqs). When a single object
 # module is turned into a multi object module, $^ will contain header file
 # dependencies recorded in the .*.cmd file.
+ifdef CONFIG_LTO_CLANG
+quiet_cmd_link_multi-m = AR [M]  $@
+cmd_link_multi-m =						\
+	$(cmd_update_lto_symversions);				\
+	rm -f $@; 						\
+	$(AR) cDPrsT $@ $(filter %.o %.a,$^)
+else
 quiet_cmd_link_multi-m = LD [M]  $@
       cmd_link_multi-m = $(LD) $(ld_flags) -r -o $@ $(filter %.o,$^)
+endif
 
 $(multi-used-m): FORCE
 	$(call if_changed,link_multi-m)
diff --git a/scripts/Makefile.clang b/scripts/Makefile.clang
new file mode 100644
index 0000000..3ae63bd
--- /dev/null
+++ b/scripts/Makefile.clang
@@ -0,0 +1,35 @@
+# Individual arch/{arch}/Makefiles should use -EL/-EB to set intended
+# endianness and -m32/-m64 to set word size based on Kconfigs instead of
+# relying on the target triple.
+CLANG_TARGET_FLAGS_arm		:= arm-linux-gnueabi
+CLANG_TARGET_FLAGS_arm64	:= aarch64-linux-gnu
+CLANG_TARGET_FLAGS_hexagon	:= hexagon-linux-musl
+CLANG_TARGET_FLAGS_m68k		:= m68k-linux-gnu
+CLANG_TARGET_FLAGS_mips		:= mipsel-linux-gnu
+CLANG_TARGET_FLAGS_powerpc	:= powerpc64le-linux-gnu
+CLANG_TARGET_FLAGS_riscv	:= riscv64-linux-gnu
+CLANG_TARGET_FLAGS_s390		:= s390x-linux-gnu
+CLANG_TARGET_FLAGS_x86		:= x86_64-linux-gnu
+CLANG_TARGET_FLAGS		:= $(CLANG_TARGET_FLAGS_$(SRCARCH))
+
+ifeq ($(CROSS_COMPILE),)
+ifeq ($(CLANG_TARGET_FLAGS),)
+$(error Specify CROSS_COMPILE or add '--target=' option to scripts/Makefile.clang)
+else
+CLANG_FLAGS	+= --target=$(CLANG_TARGET_FLAGS)
+endif # CLANG_TARGET_FLAGS
+else
+CLANG_FLAGS	+= --target=$(notdir $(CROSS_COMPILE:%-=%))
+endif # CROSS_COMPILE
+
+ifeq ($(LLVM_IAS),0)
+CLANG_FLAGS	+= -no-integrated-as
+GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
+CLANG_FLAGS	+= --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE))
+else
+CLANG_FLAGS	+= -integrated-as
+endif
+CLANG_FLAGS	+= -Werror=unknown-warning-option
+KBUILD_CFLAGS	+= $(CLANG_FLAGS)
+KBUILD_AFLAGS	+= $(CLANG_FLAGS)
+export CLANG_FLAGS
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index d9e0cea..7cab16b5 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -8,7 +8,7 @@
 PHONY := __clean
 __clean:
 
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
 
 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
diff --git a/scripts/Makefile.compiler b/scripts/Makefile.compiler
new file mode 100644
index 0000000..3f2f3665
--- /dev/null
+++ b/scripts/Makefile.compiler
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+# cc-cross-prefix
+# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
+# Return first <prefix> where a <prefix>gcc is found in PATH.
+# If no gcc found in PATH with listed prefixes return nothing
+#
+# Note: '2>/dev/null' is here to force Make to invoke a shell. Otherwise, it
+# would try to directly execute the shell builtin 'command'. This workaround
+# should be kept for a long time since this issue was fixed only after the
+# GNU Make 4.2.1 release.
+cc-cross-prefix = $(firstword $(foreach c, $(1), \
+			$(if $(shell command -v -- $(c)gcc 2>/dev/null), $(c))))
+
+# output directory for tests below
+TMPOUT = $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_$$$$
+
+# try-run
+# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
+# Exit code chooses option. "$$TMP" serves as a temporary file and is
+# automatically cleaned up.
+try-run = $(shell set -e;		\
+	TMP=$(TMPOUT)/tmp;		\
+	TMPO=$(TMPOUT)/tmp.o;		\
+	mkdir -p $(TMPOUT);		\
+	trap "rm -rf $(TMPOUT)" EXIT;	\
+	if ($(1)) >/dev/null 2>&1;	\
+	then echo "$(2)";		\
+	else echo "$(3)";		\
+	fi)
+
+# as-option
+# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
+
+as-option = $(call try-run,\
+	$(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2))
+
+# as-instr
+# Usage: cflags-y += $(call as-instr,instr,option1,option2)
+
+as-instr = $(call try-run,\
+	printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))
+
+# __cc-option
+# Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586)
+__cc-option = $(call try-run,\
+	$(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4))
+
+# cc-option
+# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
+
+cc-option = $(call __cc-option, $(CC),\
+	$(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS),$(1),$(2))
+
+# cc-option-yn
+# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
+cc-option-yn = $(call try-run,\
+	$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
+
+# cc-disable-warning
+# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
+cc-disable-warning = $(call try-run,\
+	$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
+
+# cc-ifversion
+# Usage:  EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
+cc-ifversion = $(shell [ $(CONFIG_GCC_VERSION)0 $(1) $(2)000 ] && echo $(3) || echo $(4))
+
+# ld-option
+# Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y)
+ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3))
+
+# ld-ifversion
+# Usage:  $(call ld-ifversion, -ge, 22252, y)
+ld-ifversion = $(shell [ $(CONFIG_LD_VERSION)0 $(1) $(2)0 ] && echo $(3) || echo $(4))
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 50d580d..459e84e 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -14,7 +14,7 @@
 __dtbs_install:
 
 include include/config/auto.conf
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
 include $(src)/Makefile
 
 dtbs    := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 708fbd0..029d85bb 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -12,7 +12,7 @@
 PHONY := __headers
 __headers:
 
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
 
 src := $(srctree)/$(obj)
 gen := $(objtree)/$(subst include/,include/generated/,$(obj))
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 127012f..b9e94c5 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -4,6 +4,12 @@
 
 cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1)))
 
+ifdef CONFIG_KASAN_STACK
+	stack_enable := 1
+else
+	stack_enable := 0
+endif
+
 ifdef CONFIG_KASAN_GENERIC
 
 ifdef CONFIG_KASAN_INLINE
@@ -27,10 +33,11 @@
 	CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \
 	 $(call cc-param,asan-globals=1) \
 	 $(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \
-	 $(call cc-param,asan-stack=$(CONFIG_KASAN_STACK)) \
 	 $(call cc-param,asan-instrument-allocas=1)
 endif
 
+CFLAGS_KASAN += $(call cc-param,asan-stack=$(stack_enable))
+
 endif # CONFIG_KASAN_GENERIC
 
 ifdef CONFIG_KASAN_SW_TAGS
@@ -42,8 +49,9 @@
 endif
 
 CFLAGS_KASAN := -fsanitize=kernel-hwaddress \
-		$(call cc-param,hwasan-instrument-stack=$(CONFIG_KASAN_STACK)) \
+		$(call cc-param,hwasan-instrument-stack=$(stack_enable)) \
 		$(call cc-param,hwasan-use-short-granules=0) \
+		$(call cc-param,hwasan-inline-all-checks=0) \
 		$(instrumentation_flags)
 
 endif # CONFIG_KASAN_SW_TAGS
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 9413370..cdc63f3 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -56,15 +56,29 @@
 obj-y		:= $(filter-out %/, $(obj-y))
 endif
 
+# Expand $(foo-objs) $(foo-y) by calling $(call suffix-search,foo.o,-objs -y)
+suffix-search = $(foreach s,$(2),$($(1:.o=$s)))
 # If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object
-multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m))))
-multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m))))
+# Do this recursively to find nested composite objects.
+# foo-y may contain foo.o bar.o . For backwards compatibility, don't treat this
+# foo.o as a nested object
+multi-search = $(sort $(foreach m,$(1),$(if $(strip $(call suffix-search,$(m),$(2) -)),\
+	$(if $(filter $(m),$(strip $(call suffix-search,$(m),$(2) -))),,\
+	$(m) $(call multi-search,$(call suffix-search,$(m),$(2)),$(2))))))
+multi-used-y := $(call multi-search,$(obj-y),-objs -y)
+multi-used-m := $(call multi-search,$(obj-m),-objs -y -m)
 multi-used   := $(multi-used-y) $(multi-used-m)
 
 # Replace multi-part objects by their individual parts,
 # including built-in.a from subdirectories
-real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
-real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m)))
+# Recursively search for real files. For backwards compatibility,
+# foo-y may contain foo.o bar.o . foo.o in this context is a real object, and
+# shouldn't be recursed into.
+real-search = $(foreach m,$(1), $(if $(strip $(call suffix-search,$(m),$(2) -)), \
+	$(filter $(m),$(call suffix-search,$(m),$(2))) $(call real-search,$(filter-out $(m),$(call suffix-search,$(m),$(2))),$(2)),\
+	$(m)))
+real-obj-y := $(call real-search, $(obj-y),-objs -y)
+real-obj-m := $(call real-search, $(obj-m),-objs -y -m)
 
 always-y += $(always-m)
 
@@ -117,9 +131,11 @@
 # These flags are needed for modversions and compiling, so we define them here
 # $(modname_flags) defines KBUILD_MODNAME as the name of the module it will
 # end up in (or would, if it gets compiled in)
-name-fix = $(call stringify,$(subst $(comma),_,$(subst -,_,$1)))
+name-fix-token = $(subst $(comma),_,$(subst -,_,$1))
+name-fix = $(call stringify,$(call name-fix-token,$1))
 basename_flags = -DKBUILD_BASENAME=$(call name-fix,$(basetarget))
-modname_flags  = -DKBUILD_MODNAME=$(call name-fix,$(modname))
+modname_flags  = -DKBUILD_MODNAME=$(call name-fix,$(modname)) \
+		 -D__KBUILD_MODNAME=kmod_$(call name-fix-token,$(modname))
 modfile_flags  = -DKBUILD_MODFILE=$(call stringify,$(modfile))
 
 _c_flags       = $(filter-out $(CFLAGS_REMOVE_$(target-stem).o), \
@@ -148,10 +164,12 @@
 # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE)
 #
 ifeq ($(CONFIG_KASAN),y)
+ifneq ($(CONFIG_KASAN_HW_TAGS),y)
 _c_flags += $(if $(patsubst n%,, \
 		$(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \
 		$(CFLAGS_KASAN), $(CFLAGS_KASAN_NOSANITIZE))
 endif
+endif
 
 ifeq ($(CONFIG_UBSAN),y)
 _c_flags += $(if $(patsubst n%,, \
@@ -216,6 +234,27 @@
 		 $(addprefix -I,$(DTC_INCLUDE))                          \
 		 -undef -D__DTS__
 
+ifeq ($(CONFIG_LTO_CLANG),y)
+# With CONFIG_LTO_CLANG, .o files in modules might be LLVM bitcode, so we
+# need to run LTO to compile them into native code (.lto.o) before further
+# processing.
+mod-prelink-ext := .lto
+endif
+
+# Objtool arguments are also needed for modfinal with LTO, so we define
+# then here to avoid duplication.
+objtool_args =								\
+	$(if $(CONFIG_UNWINDER_ORC),orc generate,check)			\
+	$(if $(part-of-module), --module,)				\
+	$(if $(CONFIG_FRAME_POINTER),, --no-fp)				\
+	$(if $(or $(CONFIG_GCOV_KERNEL),$(CONFIG_LTO_CLANG)), 		\
+		--no-unreachable,)					\
+	$(if $(CONFIG_RETPOLINE), --retpoline,)				\
+	$(if $(CONFIG_RETHUNK), --rethunk,)				\
+	$(if $(CONFIG_X86_SMAP), --uaccess,)				\
+	$(if $(CONFIG_SLS), --sls,)					\
+	$(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount,)
+
 # Useful for describing the dependency of composite objects
 # Usage:
 #   $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
@@ -364,19 +403,31 @@
 )
 
 quiet_cmd_bzip2 = BZIP2   $@
-      cmd_bzip2 = { cat $(real-prereqs) | $(KBZIP2) -9; $(size_append); } > $@
+      cmd_bzip2 = cat $(real-prereqs) | $(KBZIP2) -9 > $@
+
+quiet_cmd_bzip2_with_size = BZIP2   $@
+      cmd_bzip2_with_size = { cat $(real-prereqs) | $(KBZIP2) -9; $(size_append); } > $@
 
 # Lzma
 # ---------------------------------------------------------------------------
 
 quiet_cmd_lzma = LZMA    $@
-      cmd_lzma = { cat $(real-prereqs) | $(LZMA) -9; $(size_append); } > $@
+      cmd_lzma = cat $(real-prereqs) | $(LZMA) -9 > $@
+
+quiet_cmd_lzma_with_size = LZMA    $@
+      cmd_lzma_with_size = { cat $(real-prereqs) | $(LZMA) -9; $(size_append); } > $@
 
 quiet_cmd_lzo = LZO     $@
-      cmd_lzo = { cat $(real-prereqs) | $(KLZOP) -9; $(size_append); } > $@
+      cmd_lzo = cat $(real-prereqs) | $(KLZOP) -9 > $@
+
+quiet_cmd_lzo_with_size = LZO     $@
+      cmd_lzo_with_size = { cat $(real-prereqs) | $(KLZOP) -9; $(size_append); } > $@
 
 quiet_cmd_lz4 = LZ4     $@
-      cmd_lz4 = { cat $(real-prereqs) | $(LZ4) -l -c1 stdin stdout; \
+      cmd_lz4 = cat $(real-prereqs) | $(LZ4) -l -12 --favor-decSpeed stdin stdout > $@
+
+quiet_cmd_lz4_with_size = LZ4     $@
+      cmd_lz4_with_size = { cat $(real-prereqs) | $(LZ4) -l -12 --favor-decSpeed stdin stdout; \
                   $(size_append); } > $@
 
 # U-Boot mkimage
@@ -419,7 +470,10 @@
 # big dictionary would increase the memory usage too much in the multi-call
 # decompression mode. A BCJ filter isn't used either.
 quiet_cmd_xzkern = XZKERN  $@
-      cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh; \
+      cmd_xzkern = cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh > $@
+
+quiet_cmd_xzkern_with_size = XZKERN  $@
+      cmd_xzkern_with_size = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh; \
                      $(size_append); } > $@
 
 quiet_cmd_xzmisc = XZMISC  $@
@@ -445,7 +499,10 @@
       cmd_zstd = { cat $(real-prereqs) | $(ZSTD) -19; $(size_append); } > $@
 
 quiet_cmd_zstd22 = ZSTD22  $@
-      cmd_zstd22 = { cat $(real-prereqs) | $(ZSTD) -22 --ultra; $(size_append); } > $@
+      cmd_zstd22 = cat $(real-prereqs) | $(ZSTD) -22 --ultra > $@
+
+quiet_cmd_zstd22_with_size = ZSTD22  $@
+      cmd_zstd22_with_size = { cat $(real-prereqs) | $(ZSTD) -22 --ultra; $(size_append); } > $@
 
 # ASM offsets
 # ---------------------------------------------------------------------------
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index ae01baf..6e2c8f8 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -6,9 +6,10 @@
 PHONY := __modfinal
 __modfinal:
 
+include $(objtree)/include/config/auto.conf
 include $(srctree)/scripts/Kbuild.include
 
-# for c_flags
+# for c_flags and mod-prelink-ext
 include $(srctree)/scripts/Makefile.lib
 
 # find all modules listed in modules.order
@@ -22,7 +23,9 @@
 part-of-module = y
 
 quiet_cmd_cc_o_c = CC [M]  $@
-      cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
+      cmd_cc_o_c =							\
+		$(CC) $(filter-out $(CC_FLAGS_CFI) $(CC_FLAGS_FTRACE),	\
+			$(c_flags)) -c -o $@ $<
 
 %.mod.o: %.mod.c FORCE
 	$(call if_changed_dep,cc_o_c)
@@ -30,13 +33,30 @@
 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
 
 quiet_cmd_ld_ko_o = LD [M]  $@
-      cmd_ld_ko_o =                                                     \
+      cmd_ld_ko_o +=							\
 	$(LD) -r $(KBUILD_LDFLAGS)					\
 		$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE)		\
 		-T scripts/module.lds -o $@ $(filter %.o, $^);		\
 	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
 
-$(modules): %.ko: %.o %.mod.o scripts/module.lds FORCE
+ifdef CONFIG_CFI_CLANG
+# LLVM can drops jump table symbols from the final binary. Add them
+# back to make stack traces and other symbol output readable.
+cmd_ld_ko_o += ;							\
+	$(srctree)/scripts/generate_cfi_kallsyms.pl --module		\
+		$@ > $(@:.ko=.lds);					\
+	if [ -s $(@:.ko=.lds) ]; then					\
+		$(LD) -r $(KBUILD_LDFLAGS) 				\
+			$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE)	\
+			-T $(@:.ko=.lds)				\
+			-o $(@:.ko=.tmp.ko) $@;				\
+		mv -f $(@:.ko=.tmp.ko) $@;				\
+	else								\
+		rm -f $(@:.ko=.lds);					\
+	fi
+endif
+
+$(modules): %.ko: %$(mod-prelink-ext).o %.mod.o scripts/module.lds FORCE
 	+$(call if_changed,ld_ko_o)
 
 targets += $(modules) $(modules:.ko=.mod.o)
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index 5a4579e..ad19812 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -6,7 +6,7 @@
 PHONY := __modinst
 __modinst:
 
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
 
 modules := $(sort $(shell cat $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)modules.order))
 
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 42154b6..c56188c 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -41,7 +41,12 @@
 __modpost:
 
 include include/config/auto.conf
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
+
+# for mod-prelink-ext
+include scripts/Makefile.lib
+
+mixed-build-prefix = $(if $(KBUILD_MIXED_TREE),$(KBUILD_MIXED_TREE)/)
 
 MODPOST = scripts/mod/modpost								\
 	$(if $(CONFIG_MODVERSIONS),-m)							\
@@ -64,16 +69,17 @@
 
 ifeq ($(KBUILD_EXTMOD),)
 
-input-symdump := vmlinux.symvers
+input-symdump := $(mixed-build-prefix)vmlinux.symvers
 output-symdump := modules-only.symvers
+module_srcpath := $(srctree)
 
 quiet_cmd_cat = GEN     $@
       cmd_cat = cat $(real-prereqs) > $@
 
-ifneq ($(wildcard vmlinux.symvers),)
+ifneq ($(wildcard $(mixed-build-prefix)vmlinux.symvers),)
 
 __modpost: Module.symvers
-Module.symvers: vmlinux.symvers modules-only.symvers FORCE
+Module.symvers: $(mixed-build-prefix)vmlinux.symvers modules-only.symvers FORCE
 	$(call if_changed,cat)
 
 targets += Module.symvers
@@ -95,6 +101,27 @@
 input-symdump := Module.symvers $(KBUILD_EXTRA_SYMBOLS)
 output-symdump := $(KBUILD_EXTMOD)/Module.symvers
 
+# Get the external module's source path. KBUILD_EXTMOD could either be an
+# absolute path or relative path from $(srctree). This makes sure that we
+# aren't using a relative path from a separate working directory (O= or
+# KBUILD_OUTPUT) since that may not be the actual module's SCM project path. So
+# check the path relative to $(srctree) first.
+ifneq ($(realpath $(srctree)/$(KBUILD_EXTMOD) 2>/dev/null),)
+	module_srcpath := $(srctree)/$(KBUILD_EXTMOD)
+else
+	module_srcpath := $(KBUILD_EXTMOD)
+endif
+
+endif
+
+ifeq ($(CONFIG_MODULE_SCMVERSION),y)
+# Get the SCM version of the module. `sed` verifies setlocalversion returns
+# a proper revision based on the SCM type, e.g. git, mercurial, or svn.
+module_scmversion := $(shell $(srctree)/scripts/setlocalversion $(module_srcpath) | \
+	sed -n 's/.*-\(\(g\|hg\)[a-fA-F0-9]\+\(-dirty\)\?\|svn[0-9]\+\).*/\1/p')
+ifneq ($(module_scmversion),)
+MODPOST += -v $(module_scmversion)
+endif
 endif
 
 # modpost options for modules (both in-kernel and external)
@@ -114,12 +141,14 @@
 	@echo >&2 'WARNING: Symbol version dump "$@" is missing.'
 	@echo >&2 '         Modules may not have dependencies or modversions.'
 
+modules := $(sort $(shell cat $(MODORDER)))
+
 # Read out modules.order to pass in modpost.
 # Otherwise, allmodconfig would fail with "Argument list too long".
 quiet_cmd_modpost = MODPOST $@
-      cmd_modpost = sed 's/ko$$/o/' $< | $(MODPOST) -T -
+      cmd_modpost = sed 's/\.ko$$/$(mod-prelink-ext)\.o/' $< | $(MODPOST) -T -
 
-$(output-symdump): $(MODORDER) $(input-symdump) FORCE
+$(output-symdump): $(MODORDER) $(input-symdump) $(modules:.ko=$(mod-prelink-ext).o) FORCE
 	$(call if_changed,modpost)
 
 targets += $(output-symdump)
diff --git a/scripts/Makefile.modsign b/scripts/Makefile.modsign
index d7325ce..ddf9b5c 100644
--- a/scripts/Makefile.modsign
+++ b/scripts/Makefile.modsign
@@ -6,7 +6,7 @@
 PHONY := __modsign
 __modsign:
 
-include scripts/Kbuild.include
+include $(srctree)/scripts/Kbuild.include
 
 modules := $(sort $(shell cat modules.order))
 
diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh
index 2b366d9..d8f6f9c 100755
--- a/scripts/adjust_autoksyms.sh
+++ b/scripts/adjust_autoksyms.sh
@@ -34,9 +34,6 @@
 	;;
 esac
 
-# We need access to CONFIG_ symbols
-. include/config/auto.conf
-
 # Generate a new symbol list file
 $CONFIG_SHELL $srctree/scripts/gen_autoksyms.sh "$new_ksyms_file"
 
diff --git a/scripts/as-version.sh b/scripts/as-version.sh
index 532270b..8b9410e 100755
--- a/scripts/as-version.sh
+++ b/scripts/as-version.sh
@@ -21,14 +21,14 @@
 	echo $((10000 * $1 + 100 * ${2:-0} + ${3:-0}))
 }
 
-# Clang fails to handle -Wa,--version unless -fno-integrated-as is given.
-# We check -fintegrated-as, expecting it is explicitly passed in for the
+# Clang fails to handle -Wa,--version unless -no-integrated-as is given.
+# We check -(f)integrated-as, expecting it is explicitly passed in for the
 # integrated assembler case.
 check_integrated_as()
 {
 	while [ $# -gt 0 ]; do
-		if [ "$1" = -fintegrated-as ]; then
-			# For the integrated assembler, we do not check the
+		if [ "$1" = -integrated-as -o "$1" = -fintegrated-as ]; then
+			# For the intergrated assembler, we do not check the
 			# version here. It is the same as the clang version, and
 			# it has been already checked by scripts/cc-version.sh.
 			echo LLVM 0
@@ -51,9 +51,12 @@
 IFS=' '
 set -- $1
 
+min_tool_version=$(dirname $0)/min-tool-version.sh
+
 if [ "$1" = GNU -a "$2" = assembler ]; then
 	shift $(($# - 1))
 	version=$1
+	min_version=$($min_tool_version binutils)
 	name=GNU
 else
 	echo "$orig_args: unknown assembler invoked" >&2
@@ -65,5 +68,15 @@
 version=${version%-*}
 
 cversion=$(get_canonical_version $version)
+min_cversion=$(get_canonical_version $min_version)
+
+if [ "$cversion" -lt "$min_cversion" ]; then
+	echo >&2 "***"
+	echo >&2 "*** Assembler is too old."
+	echo >&2 "***   Your $name assembler version:    $version"
+	echo >&2 "***   Minimum $name assembler version: $min_version"
+	echo >&2 "***"
+	exit 1
+fi
 
 echo $name $cversion
diff --git a/scripts/cc-version.sh b/scripts/cc-version.sh
new file mode 100755
index 0000000..f1952c5
--- /dev/null
+++ b/scripts/cc-version.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Print the compiler name and its version in a 5 or 6-digit form.
+# Also, perform the minimum version check.
+
+set -e
+
+# Print the compiler name and some version components.
+get_compiler_info()
+{
+	cat <<- EOF | "$@" -E -P -x c - 2>/dev/null
+	#if defined(__clang__)
+	Clang	__clang_major__  __clang_minor__  __clang_patchlevel__
+	#elif defined(__INTEL_COMPILER)
+	ICC	__INTEL_COMPILER  __INTEL_COMPILER_UPDATE
+	#elif defined(__GNUC__)
+	GCC	__GNUC__  __GNUC_MINOR__  __GNUC_PATCHLEVEL__
+	#else
+	unknown
+	#endif
+	EOF
+}
+
+# Convert the version string x.y.z to a canonical 5 or 6-digit form.
+get_canonical_version()
+{
+	IFS=.
+	set -- $1
+	echo $((10000 * $1 + 100 * $2 + $3))
+}
+
+# $@ instead of $1 because multiple words might be given, e.g. CC="ccache gcc".
+orig_args="$@"
+set -- $(get_compiler_info "$@")
+
+name=$1
+
+min_tool_version=$(dirname $0)/min-tool-version.sh
+
+case "$name" in
+GCC)
+	version=$2.$3.$4
+	min_version=$($min_tool_version gcc)
+	;;
+Clang)
+	version=$2.$3.$4
+	min_version=$($min_tool_version llvm)
+	;;
+ICC)
+	version=$(($2 / 100)).$(($2 % 100)).$3
+	min_version=$($min_tool_version icc)
+	;;
+*)
+	echo "$orig_args: unknown compiler" >&2
+	exit 1
+	;;
+esac
+
+cversion=$(get_canonical_version $version)
+min_cversion=$(get_canonical_version $min_version)
+
+if [ "$cversion" -lt "$min_cversion" ]; then
+	echo >&2 "***"
+	echo >&2 "*** Compiler is too old."
+	echo >&2 "***   Your $name version:    $version"
+	echo >&2 "***   Minimum $name version: $min_version"
+	echo >&2 "***"
+	exit 1
+fi
+
+echo $name $cversion
diff --git a/scripts/clang-version.sh b/scripts/clang-version.sh
deleted file mode 100755
index 6fabf06..0000000
--- a/scripts/clang-version.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-#
-# clang-version clang-command
-#
-# Print the compiler version of `clang-command' in a 5 or 6-digit form
-# such as `50001' for clang-5.0.1 etc.
-
-compiler="$*"
-
-if ! ( $compiler --version | grep -q clang) ; then
-	echo 0
-	exit 1
-fi
-
-MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
-MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
-PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
-printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index 3643b4f..2de598d 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -3,14 +3,15 @@
 #
 # A depmod wrapper used by the toplevel Makefile
 
-if test $# -ne 2; then
-	echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
+if test $# -ne 2 -a $# -ne 3; then
+	echo "Usage: $0 /sbin/depmod <kernelrelease> [System.map folder]" >&2
 	exit 1
 fi
 DEPMOD=$1
 KERNELRELEASE=$2
+KBUILD_MIXED_TREE=$3
 
-if ! test -r System.map ; then
+if ! test -r ${KBUILD_MIXED_TREE}System.map ; then
 	echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2
 	exit 0
 fi
@@ -41,7 +42,7 @@
 	KERNELRELEASE=99.98.$KERNELRELEASE
 fi
 
-set -- -ae -F System.map
+set -- -ae -F ${KBUILD_MIXED_TREE}System.map
 if test -n "$INSTALL_MOD_PATH"; then
 	set -- "$@" -b "$INSTALL_MOD_PATH"
 fi
diff --git a/scripts/dummy-tools/gcc b/scripts/dummy-tools/gcc
index 485427f..4fcae64 100755
--- a/scripts/dummy-tools/gcc
+++ b/scripts/dummy-tools/gcc
@@ -57,9 +57,9 @@
 fi
 
 if arg_contain -E "$@"; then
-	# For scripts/gcc-version.sh; This emulates GCC 20.0.0
+	# For scripts/cc-version.sh; This emulates GCC 20.0.0
 	if arg_contain - "$@"; then
-		sed 's/^__GNUC__$/20/; s/^__GNUC_MINOR__$/0/; s/^__GNUC_PATCHLEVEL__$/0/'
+		sed -n '/^GCC/{s/__GNUC__/20/; s/__GNUC_MINOR__/0/; s/__GNUC_PATCHLEVEL__/0/; p;}'
 		exit 0
 	else
 		echo "no input files" >&2
diff --git a/scripts/extract-cert.c b/scripts/extract-cert.c
index 79ecbbf..71b2980 100644
--- a/scripts/extract-cert.c
+++ b/scripts/extract-cert.c
@@ -56,6 +56,7 @@
 	}
 }
 
+#ifndef OPENSSL_IS_BORINGSSL
 static void drain_openssl_errors(void)
 {
 	const char *file;
@@ -65,6 +66,7 @@
 		return;
 	while (ERR_get_error_line(&file, &line)) {}
 }
+#endif
 
 #define ERR(cond, fmt, ...)				\
 	do {						\
@@ -119,6 +121,10 @@
 		fclose(f);
 		exit(0);
 	} else if (!strncmp(cert_src, "pkcs11:", 7)) {
+#ifdef OPENSSL_IS_BORINGSSL
+		ERR(1, "BoringSSL does not support extracting from PKCS#11");
+		exit(1);
+#else
 		ENGINE *e;
 		struct {
 			const char *cert_id;
@@ -141,6 +147,7 @@
 		ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
 		ERR(!parms.cert, "Get X.509 from PKCS#11");
 		write_cert(parms.cert);
+#endif
 	} else {
 		BIO *b;
 		X509 *x509;
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
deleted file mode 100755
index ae353432..0000000
--- a/scripts/gcc-version.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-#
-# gcc-version gcc-command
-#
-# Print the gcc version of `gcc-command' in a 5 or 6-digit form
-# such as `29503' for gcc-2.95.3, `30301' for gcc-3.3.1, etc.
-
-compiler="$*"
-
-if [ ${#compiler} -eq 0 ]; then
-	echo "Error: No compiler specified." >&2
-	printf "Usage:\n\t$0 <gcc-command>\n" >&2
-	exit 1
-fi
-
-MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
-MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
-PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
-printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
diff --git a/scripts/gen_autoksyms.sh b/scripts/gen_autoksyms.sh
index d54dfba..6ed0d22 100755
--- a/scripts/gen_autoksyms.sh
+++ b/scripts/gen_autoksyms.sh
@@ -19,7 +19,14 @@
 # We need access to CONFIG_ symbols
 . include/config/auto.conf
 
-ksym_wl=/dev/null
+needed_symbols=
+
+# Special case for modversions (see modpost.c)
+if [ -n "$CONFIG_MODVERSIONS" ]; then
+	needed_symbols="$needed_symbols module_layout"
+fi
+
+ksym_wl=
 if [ -n "$CONFIG_UNUSED_KSYMS_WHITELIST" ]; then
 	# Use 'eval' to expand the whitelist path and check if it is relative
 	eval ksym_wl="$CONFIG_UNUSED_KSYMS_WHITELIST"
@@ -40,16 +47,14 @@
 EOT
 
 [ -f modules.order ] && modlist=modules.order || modlist=/dev/null
-sed 's/ko$/mod/' $modlist |
-xargs -n1 sed -n -e '2{s/ /\n/g;/^$/!p;}' -- |
-cat - "$ksym_wl" |
+
+{
+	sed 's/ko$/mod/' $modlist | xargs -n1 sed -n -e '2p'
+	echo "$needed_symbols"
+	[ -n "$ksym_wl" ] && cat "$ksym_wl"
+} | sed -e 's/ /\n/g' | sed -n -e '/^$/!p' |
 # Remove the dot prefix for ppc64; symbol names with a dot (.) hold entry
 # point addresses.
 sed -e 's/^\.//' |
 sort -u |
 sed -e 's/\(.*\)/#define __KSYM_\1 1/' >> "$output_file"
-
-# Special case for modversions (see modpost.c)
-if [ -n "$CONFIG_MODVERSIONS" ]; then
-	echo "#define __KSYM_module_layout 1" >> "$output_file"
-fi
diff --git a/scripts/gen_gki_modules_headers.sh b/scripts/gen_gki_modules_headers.sh
new file mode 100755
index 0000000..9fab518
--- /dev/null
+++ b/scripts/gen_gki_modules_headers.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright 2021 Google LLC
+# Author: ramjiyani@google.com (Ramji Jiyani)
+#
+
+#
+# Generates hearder files for GKI modules symbol and export protections
+#
+# Called By: KERNEL_SRC/kernel/Makefile if CONFIG_MODULE_SIG_PROTECT=y
+#
+# gki_module_exported.h: Symbols protected from _export_ by unsigned modules
+# gki_module_protected.h: Symbols protected from _access_ by unsigned modules
+#
+# If valid symbol file doesn't exists then still generates valid C header files for
+# compilation to proceed with no symbols to protect
+#
+
+# Collect arguments from Makefile
+TARGET=$1
+SRCTREE=$2
+
+set -e
+
+#
+# Common Definitions
+#
+
+#
+# generate_header():
+# Args: $1 = Name of the header file
+#       $2 = Input symbol list
+#       $3 = Symbol type (protected/exported)
+#
+generate_header() {
+	local header_file=$1
+	local symbol_file=$2
+	local symbol_type=$3
+
+	echo "  GEN     ${header_file}"
+	if [ -f "${header_file}" ]; then
+		rm -f -- "${header_file}"
+	fi
+
+	# Find Maximum symbol name length if valid symbol_file exist
+	if [  -s "${symbol_file}" ]; then
+		# Skip 1st line (symbol header), Trim white spaces & +1 for null termination
+		local max_name_len=$(awk '
+				{
+					$1=$1;
+					if ( length > L && NR > 1) {
+						L=length
+					}
+				} END { print ++L }' "${symbol_file}")
+	else
+		# Set to 1 to generate valid C header file
+		local max_name_len=1
+	fi
+
+	# Header generation
+	cat > "${header_file}" <<- EOT
+	/*
+	 * DO NOT EDIT
+	 *
+	 * Build generated header file with GKI module symbols/exports
+	 */
+
+	#define NO_OF_$(printf ${symbol_type} | tr [:lower:] [:upper:])_SYMBOLS \\
+	$(printf '\t')(sizeof(gki_${symbol_type}_symbols) / sizeof(gki_${symbol_type}_symbols[0]))
+	#define MAX_$(printf ${symbol_type} | tr [:lower:] [:upper:])_NAME_LEN (${max_name_len})
+
+	static const char gki_${symbol_type}_symbols[][MAX_$(printf ${symbol_type} |
+							tr [:lower:] [:upper:])_NAME_LEN] = {
+	EOT
+
+	# If a valid symbol_file present add symbols in an array except the 1st line
+	if [  -s "${symbol_file}" ]; then
+		sed -e 1d -e 's/^[ \t]*/\t"/;s/[ \t]*$/",/' "${symbol_file}" >> "${header_file}"
+	fi
+
+	# Terminate the file
+	echo "};" >> "${header_file}"
+}
+
+if [ "$(basename "${TARGET}")" = "gki_module_protected.h" ]; then
+	# Sorted list of protected symbols
+	GKI_PROTECTED_SYMBOLS="${SRCTREE}/android/abi_gki_modules_protected"
+
+	generate_header "${TARGET}" "${GKI_PROTECTED_SYMBOLS}" "protected"
+else
+	# Sorted list of exported symbols
+	GKI_EXPORTED_SYMBOLS="${SRCTREE}/android/abi_gki_modules_exports"
+
+	generate_header "${TARGET}" "${GKI_EXPORTED_SYMBOLS}" "exported"
+fi
diff --git a/scripts/generate_cfi_kallsyms.pl b/scripts/generate_cfi_kallsyms.pl
new file mode 100755
index 0000000..6aabd68
--- /dev/null
+++ b/scripts/generate_cfi_kallsyms.pl
@@ -0,0 +1,308 @@
+#!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
+#
+# Generates a list of Control-Flow Integrity (CFI) jump table symbols
+# for kallsyms.
+#
+# Copyright (C) 2021 Google LLC
+
+use strict;
+use warnings;
+
+## parameters
+my $ismodule = 0;
+my $file;
+
+foreach (@ARGV) {
+	if ($_ eq '--module') {
+		$ismodule = 1;
+	} elsif (!defined($file)) {
+		$file = $_;
+	} else {
+		die "$0: usage $0 [--module] binary";
+	}
+}
+
+## environment
+my $readelf = $ENV{'READELF'} || die "$0: ERROR: READELF not set?";
+my $objdump = $ENV{'OBJDUMP'} || die "$0: ERROR: OBJDUMP not set?";
+my $nm = $ENV{'NM'} || die "$0: ERROR: NM not set?";
+
+## jump table addresses
+my $cfi_jt = {};
+## text symbols
+my $text_symbols = {};
+
+## parser state
+use constant {
+	UNKNOWN => 0,
+	SYMBOL	=> 1,
+	HINT	=> 2,
+	BRANCH	=> 3,
+	RELOC	=> 4
+};
+
+## trims leading zeros from a string
+sub trim_zeros {
+	my ($n) = @_;
+	$n =~ s/^0+//;
+	$n = 0 if ($n eq '');
+	return $n;
+}
+
+## finds __cfi_jt_* symbols from the binary to locate the start and end of the
+## jump table
+sub find_cfi_jt {
+	open(my $fh, "\"$readelf\" --symbols \"$file\" 2>/dev/null | grep __cfi_jt_ |")
+		or die "$0: ERROR: failed to execute \"$readelf\": $!";
+
+	while (<$fh>) {
+		chomp;
+
+		my ($addr, $name) = $_ =~ /\:.*([a-f0-9]{16}).*\s__cfi_jt_(.*)/;
+		if (defined($addr) && defined($name)) {
+			$cfi_jt->{$name} = $addr;
+		}
+	}
+
+	close($fh);
+
+	die "$0: ERROR: __cfi_jt_start symbol missing" if !exists($cfi_jt->{"start"});
+	die "$0: ERROR: __cfi_jt_end symbol missing"   if !exists($cfi_jt->{"end"});
+}
+
+my $last = UNKNOWN;
+my $last_symbol;
+my $last_hint_addr;
+my $last_branch_addr;
+my $last_branch_target;
+my $last_reloc_target;
+
+sub is_symbol {
+	my ($line) = @_;
+	my ($addr, $symbol) = $_ =~ /^([a-f0-9]{16})\s<([^>]+)>\:/;
+
+	if (defined($addr) && defined($symbol)) {
+		$last = SYMBOL;
+		$last_symbol = $symbol;
+		return 1;
+	}
+
+	return 0;
+}
+
+sub is_hint {
+	my ($line) = @_;
+	my ($hint) = $_ =~ /^\s*([a-f0-9]+)\:.*\s+hint\s+#/;
+
+	if (defined($hint)) {
+		$last = HINT;
+		$last_hint_addr = $hint;
+		return 1;
+	}
+
+	return 0;
+}
+
+sub find_text_symbol {
+	my ($target) = @_;
+
+	my ($symbol, $expr, $offset) = $target =~ /^(\S*)([-\+])0x([a-f0-9]+)?$/;
+
+	if (!defined($symbol) || !defined(!$expr) || !defined($offset)) {
+		return $target;
+	}
+
+	if ($symbol =~ /^\.((init|exit)\.)?text$/ && $expr eq '+') {
+		$offset = trim_zeros($offset);
+		my $actual = $text_symbols->{"$symbol+$offset"};
+
+		if (!defined($actual)) {
+			die "$0: unknown symbol at $symbol+0x$offset";
+		}
+
+		$symbol = $actual;
+	}
+
+	return $symbol;
+}
+
+sub is_branch {
+	my ($line) = @_;
+	my ($addr, $instr, $branch_target) = $_ =~
+		/^\s*([a-f0-9]+)\:.*(b|jmpq?)\s+0x[a-f0-9]+\s+<([^>]+)>/;
+
+	if (defined($addr) && defined($instr) && defined($branch_target)) {
+		if ($last eq HINT) {
+			$last_branch_addr = $last_hint_addr;
+		} else {
+			$last_branch_addr = $addr;
+		}
+
+		$last = BRANCH;
+		$last_branch_target = find_text_symbol($branch_target);
+		return 1;
+	}
+
+	return 0;
+}
+
+sub is_branch_reloc {
+	my ($line) = @_;
+
+	if ($last ne BRANCH) {
+		return 0;
+	}
+
+	my ($addr, $type, $reloc_target) = /\s*([a-f0-9]{16})\:\s+R_(\S+)\s+(\S+)$/;
+
+	if (defined($addr) && defined($type) && defined($reloc_target)) {
+		$last = RELOC;
+		$last_reloc_target = find_text_symbol($reloc_target);
+		return 1;
+	}
+
+	return 0;
+}
+
+## walks through the jump table looking for branches and prints out a jump
+## table symbol for each branch if one is missing
+sub print_missing_symbols {
+	my @symbols;
+
+	open(my $fh, "\"$objdump\" -d -r " .
+		"--start-address=0x" . $cfi_jt->{"start"} .
+		" --stop-address=0x" . $cfi_jt->{"end"} .
+		" \"$file\" 2>/dev/null |")
+		or die "$0: ERROR: failed to execute \"$objdump\": $!";
+
+	while (<$fh>) {
+		chomp;
+
+		if (is_symbol($_) || is_hint($_)) {
+			next;
+		}
+
+		my $cfi_jt_symbol;
+
+		if (is_branch($_)) {
+			if ($ismodule) {
+				next; # wait for the relocation
+			}
+
+			$cfi_jt_symbol = $last_branch_target;
+		} elsif (is_branch_reloc($_)) {
+			$cfi_jt_symbol = $last_reloc_target;
+		} else {
+			next;
+		}
+
+		# ignore functions with a canonical jump table
+		if ($cfi_jt_symbol =~ /\.cfi$/) {
+			next;
+		}
+
+		$cfi_jt_symbol .= ".cfi_jt";
+		$cfi_jt->{$last_branch_addr} = $cfi_jt_symbol;
+
+		if (defined($last_symbol) && $last_symbol eq $cfi_jt_symbol) {
+			next; # already exists
+		}
+
+		# print out the symbol
+		if ($ismodule) {
+			push(@symbols, "\t\t$cfi_jt_symbol = . + 0x$last_branch_addr;");
+		} else {
+			push(@symbols, "$last_branch_addr t $cfi_jt_symbol");
+		}
+	}
+
+	close($fh);
+
+	if (!scalar(@symbols)) {
+		return;
+	}
+
+	if ($ismodule) {
+		print "SECTIONS {\n";
+		# With -fpatchable-function-entry, LLD isn't happy without this
+		print "\t__patchable_function_entries : { *(__patchable_function_entries) }\n";
+		print "\t.text : {\n";
+	}
+
+	foreach (@symbols) {
+		print "$_\n";
+	}
+
+	if ($ismodule) {
+		print "\t}\n}\n";
+	}
+}
+
+## reads defined text symbols from the file
+sub read_symbols {
+	open(my $fh, "\"$objdump\" --syms \"$file\" 2>/dev/null |")
+		or die "$0: ERROR: failed to execute \"$nm\": $!";
+
+	while (<$fh>) {
+		chomp;
+
+		# llvm/tools/llvm-objdump/objdump.cpp:objdump::printSymbol
+		my ($addr, $debug, $section, $ref, $symbol) = $_ =~
+			/^([a-f0-9]{16})\s.{5}(.).{2}(\S+)\s[a-f0-9]{16}(\s\.\S+)?\s(.*)$/;
+
+		if (defined($addr) && defined($section) && defined($symbol)) {
+			if (!($section =~ /^\.((init|exit)\.)?text$/)) {
+				next;
+			}
+			# skip arm mapping symbols
+			if ($symbol =~ /^\$[xd]\.\d+$/) {
+				next;
+			}
+			if (defined($debug) && $debug eq "d") {
+				next;
+			}
+
+			$addr = trim_zeros($addr);
+			$text_symbols->{"$section+$addr"} = $symbol;
+		}
+	}
+
+	close($fh);
+}
+
+## prints out the remaining symbols from nm -n, filtering out the unnecessary
+## __typeid__ symbols aliasing the jump table symbols we added
+sub print_kallsyms {
+	open(my $fh, "\"$nm\" -n \"$file\" 2>/dev/null |")
+		or die "$0: ERROR: failed to execute \"$nm\": $!";
+
+	while (<$fh>) {
+		chomp;
+
+		my ($addr, $symbol) = $_ =~ /^([a-f0-9]{16})\s.\s(.*)$/;
+
+		if (defined($addr) && defined($symbol)) {
+			# drop duplicate __typeid__ symbols
+			if ($symbol =~ /^__typeid__.*_global_addr$/ &&
+				exists($cfi_jt->{$addr})) {
+				next;
+			}
+		}
+
+		print "$_\n";
+	}
+
+	close($fh);
+}
+
+## main
+find_cfi_jt();
+
+if ($ismodule) {
+	read_symbols();
+	print_missing_symbols();
+} else {
+	print_missing_symbols();
+	print_kallsyms();
+}
diff --git a/scripts/generate_initcall_order.pl b/scripts/generate_initcall_order.pl
new file mode 100755
index 0000000..1a88d3f
--- /dev/null
+++ b/scripts/generate_initcall_order.pl
@@ -0,0 +1,270 @@
+#!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
+#
+# Generates a linker script that specifies the correct initcall order.
+#
+# Copyright (C) 2019 Google LLC
+
+use strict;
+use warnings;
+use IO::Handle;
+use IO::Select;
+use POSIX ":sys_wait_h";
+
+my $nm = $ENV{'NM'} || die "$0: ERROR: NM not set?";
+my $objtree = $ENV{'objtree'} || '.';
+
+## currently active child processes
+my $jobs = {};		# child process pid -> file handle
+## results from child processes
+my $results = {};	# object index -> [ { level, secname }, ... ]
+
+## reads _NPROCESSORS_ONLN to determine the maximum number of processes to
+## start
+sub get_online_processors {
+	open(my $fh, "getconf _NPROCESSORS_ONLN 2>/dev/null |")
+		or die "$0: ERROR: failed to execute getconf: $!";
+	my $procs = <$fh>;
+	close($fh);
+
+	if (!($procs =~ /^\d+$/)) {
+		return 1;
+	}
+
+	return int($procs);
+}
+
+## writes results to the parent process
+## format: <file index> <initcall level> <base initcall section name>
+sub write_results {
+	my ($index, $initcalls) = @_;
+
+	# sort by the counter value to ensure the order of initcalls within
+	# each object file is correct
+	foreach my $counter (sort { $a <=> $b } keys(%{$initcalls})) {
+		my $level = $initcalls->{$counter}->{'level'};
+
+		# section name for the initcall function
+		my $secname = $initcalls->{$counter}->{'module'} . '__' .
+			      $counter . '_' .
+			      $initcalls->{$counter}->{'line'} . '_' .
+			      $initcalls->{$counter}->{'function'};
+
+		print "$index $level $secname\n";
+	}
+}
+
+## reads a result line from a child process and adds it to the $results array
+sub read_results{
+	my ($fh) = @_;
+
+	# each child prints out a full line w/ autoflush and exits after the
+	# last line, so even if buffered I/O blocks here, it shouldn't block
+	# very long
+	my $data = <$fh>;
+
+	if (!defined($data)) {
+		return 0;
+	}
+
+	chomp($data);
+
+	my ($index, $level, $secname) = $data =~
+		/^(\d+)\ ([^\ ]+)\ (.*)$/;
+
+	if (!defined($index) ||
+		!defined($level) ||
+		!defined($secname)) {
+		die "$0: ERROR: child process returned invalid data: $data\n";
+	}
+
+	$index = int($index);
+
+	if (!exists($results->{$index})) {
+		$results->{$index} = [];
+	}
+
+	push (@{$results->{$index}}, {
+		'level'   => $level,
+		'secname' => $secname
+	});
+
+	return 1;
+}
+
+## finds initcalls from an object file or all object files in an archive, and
+## writes results back to the parent process
+sub find_initcalls {
+	my ($index, $file) = @_;
+
+	die "$0: ERROR: file $file doesn't exist?" if (! -f $file);
+
+	open(my $fh, "\"$nm\" --defined-only \"$file\" 2>/dev/null |")
+		or die "$0: ERROR: failed to execute \"$nm\": $!";
+
+	my $initcalls = {};
+
+	while (<$fh>) {
+		chomp;
+
+		# check for the start of a new object file (if processing an
+		# archive)
+		my ($path)= $_ =~ /^(.+)\:$/;
+
+		if (defined($path)) {
+			write_results($index, $initcalls);
+			$initcalls = {};
+			next;
+		}
+
+		# look for an initcall
+		my ($module, $counter, $line, $symbol) = $_ =~
+			/[a-z]\s+__initcall__(\S*)__(\d+)_(\d+)_(.*)$/;
+
+		if (!defined($module)) {
+			$module = ''
+		}
+
+		if (!defined($counter) ||
+			!defined($line) ||
+			!defined($symbol)) {
+			next;
+		}
+
+		# parse initcall level
+		my ($function, $level) = $symbol =~
+			/^(.*)((early|rootfs|con|[0-9])s?)$/;
+
+		die "$0: ERROR: invalid initcall name $symbol in $file($path)"
+			if (!defined($function) || !defined($level));
+
+		$initcalls->{$counter} = {
+			'module'   => $module,
+			'line'     => $line,
+			'function' => $function,
+			'level'    => $level,
+		};
+	}
+
+	close($fh);
+	write_results($index, $initcalls);
+}
+
+## waits for any child process to complete, reads the results, and adds them to
+## the $results array for later processing
+sub wait_for_results {
+	my ($select) = @_;
+
+	my $pid = 0;
+	do {
+		# unblock children that may have a full write buffer
+		foreach my $fh ($select->can_read(0)) {
+			read_results($fh);
+		}
+
+		# check for children that have exited, read the remaining data
+		# from them, and clean up
+		$pid = waitpid(-1, WNOHANG);
+		if ($pid > 0) {
+			if (!exists($jobs->{$pid})) {
+				next;
+			}
+
+			my $fh = $jobs->{$pid};
+			$select->remove($fh);
+
+			while (read_results($fh)) {
+				# until eof
+			}
+
+			close($fh);
+			delete($jobs->{$pid});
+		}
+	} while ($pid > 0);
+}
+
+## forks a child to process each file passed in the command line and collects
+## the results
+sub process_files {
+	my $index = 0;
+	my $njobs = $ENV{'PARALLELISM'} || get_online_processors();
+	my $select = IO::Select->new();
+
+	while (my $file = shift(@ARGV)) {
+		# fork a child process and read it's stdout
+		my $pid = open(my $fh, '-|');
+
+		if (!defined($pid)) {
+			die "$0: ERROR: failed to fork: $!";
+		} elsif ($pid) {
+			# save the child process pid and the file handle
+			$select->add($fh);
+			$jobs->{$pid} = $fh;
+		} else {
+			# in the child process
+			STDOUT->autoflush(1);
+			find_initcalls($index, "$objtree/$file");
+			exit;
+		}
+
+		$index++;
+
+		# limit the number of children to $njobs
+		if (scalar(keys(%{$jobs})) >= $njobs) {
+			wait_for_results($select);
+		}
+	}
+
+	# wait for the remaining children to complete
+	while (scalar(keys(%{$jobs})) > 0) {
+		wait_for_results($select);
+	}
+}
+
+sub generate_initcall_lds() {
+	process_files();
+
+	my $sections = {};	# level -> [ secname, ...]
+
+	# sort results to retain link order and split to sections per
+	# initcall level
+	foreach my $index (sort { $a <=> $b } keys(%{$results})) {
+		foreach my $result (@{$results->{$index}}) {
+			my $level = $result->{'level'};
+
+			if (!exists($sections->{$level})) {
+				$sections->{$level} = [];
+			}
+
+			push(@{$sections->{$level}}, $result->{'secname'});
+		}
+	}
+
+	die "$0: ERROR: no initcalls?" if (!keys(%{$sections}));
+
+	# print out a linker script that defines the order of initcalls for
+	# each level
+	print "SECTIONS {\n";
+
+	foreach my $level (sort(keys(%{$sections}))) {
+		my $section;
+
+		if ($level eq 'con') {
+			$section = '.con_initcall.init';
+		} else {
+			$section = ".initcall${level}.init";
+		}
+
+		print "\t${section} : {\n";
+
+		foreach my $secname (@{$sections->{$level}}) {
+			print "\t\t*(${section}..${secname}) ;\n";
+		}
+
+		print "\t}\n";
+	}
+
+	print "}\n";
+}
+
+generate_initcall_lds();
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 63c8565..e5b4698 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -28,6 +28,7 @@
 	echo "  -r    list redundant entries when merging fragments"
 	echo "  -y    make builtin have precedence over modules"
 	echo "  -O    dir to put generated output files.  Consider setting \$KCONFIG_CONFIG instead."
+	echo "  -s    strict mode. Fail if the fragment redefines any value."
 	echo
 	echo "Used prefix: '$CONFIG_PREFIX'. You can redefine it with \$CONFIG_ environment variable."
 }
@@ -37,6 +38,7 @@
 WARNREDUN=false
 BUILTIN=false
 OUTPUT=.
+STRICT=false
 CONFIG_PREFIX=${CONFIG_-CONFIG_}
 
 while true; do
@@ -75,6 +77,11 @@
 		shift 2
 		continue
 		;;
+	"-s")
+		STRICT=true
+		shift
+		continue
+		;;
 	*)
 		break
 		;;
@@ -141,6 +148,9 @@
 			echo Previous  value: $PREV_VAL
 			echo New value:       $NEW_VAL
 			echo
+			if [ "$STRICT" = "true" ]; then
+				STRICT_MODE_VIOLATED=true
+			fi
 		elif [ "$WARNREDUN" = "true" ]; then
 			echo Value of $CFG is redundant by fragment $ORIG_MERGE_FILE:
 		fi
@@ -153,6 +163,11 @@
 	cat $MERGE_FILE >> $TMP_FILE
 done
 
+if [ "$STRICT_MODE_VIOLATED" = "true" ]; then
+	echo "The fragment redefined a value and strict mode had been passed."
+	exit 1
+fi
+
 if [ "$RUNMAKE" = "false" ]; then
 	cp -T -- "$TMP_FILE" "$KCONFIG_CONFIG"
 	echo "#"
diff --git a/scripts/ld-version.sh b/scripts/ld-version.sh
index f2be0ff..a78b804 100755
--- a/scripts/ld-version.sh
+++ b/scripts/ld-version.sh
@@ -1,11 +1,76 @@
-#!/usr/bin/awk -f
+#!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
-# extract linker version number from stdin and turn into single number
-	{
-	gsub(".*\\)", "");
-	gsub(".*version ", "");
-	gsub("-.*", "");
-	split($1,a, ".");
-	print a[1]*100000000 + a[2]*1000000 + a[3]*10000;
-	exit
-	}
+#
+# Print the linker name and its version in a 5 or 6-digit form.
+# Also, perform the minimum version check.
+
+set -e
+
+# Convert the version string x.y.z to a canonical 5 or 6-digit form.
+get_canonical_version()
+{
+	IFS=.
+	set -- $1
+
+	# If the 2nd or 3rd field is missing, fill it with a zero.
+	#
+	# The 4th field, if present, is ignored.
+	# This occurs in development snapshots as in 2.35.1.20201116
+	echo $((10000 * $1 + 100 * ${2:-0} + ${3:-0}))
+}
+
+orig_args="$@"
+
+# Get the first line of the --version output.
+IFS='
+'
+set -- $(LC_ALL=C "$@" --version)
+
+# Split the line on spaces.
+IFS=' '
+set -- $1
+
+min_tool_version=$(dirname $0)/min-tool-version.sh
+
+if [ "$1" = GNU -a "$2" = ld ]; then
+	shift $(($# - 1))
+	version=$1
+	min_version=$($min_tool_version binutils)
+	name=BFD
+	disp_name="GNU ld"
+elif [ "$1" = GNU -a "$2" = gold ]; then
+	echo "gold linker is not supported as it is not capable of linking the kernel proper." >&2
+	exit 1
+else
+	while [ $# -gt 1 -a "$1" != "LLD" ]; do
+		shift
+	done
+
+	if [ "$1" = LLD ]; then
+		version=$2
+		min_version=$($min_tool_version llvm)
+		name=LLD
+		disp_name=LLD
+	else
+		echo "$orig_args: unknown linker" >&2
+		exit 1
+	fi
+fi
+
+# Some distributions append a package release number, as in 2.34-4.fc32
+# Trim the hyphen and any characters that follow.
+version=${version%-*}
+
+cversion=$(get_canonical_version $version)
+min_cversion=$(get_canonical_version $min_version)
+
+if [ "$cversion" -lt "$min_cversion" ]; then
+	echo >&2 "***"
+	echo >&2 "*** Linker is too old."
+	echo >&2 "***   Your $disp_name version:    $version"
+	echo >&2 "***   Minimum $disp_name version: $min_version"
+	echo >&2 "***"
+	exit 1
+fi
+
+echo $name $cversion
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index acd07a7..2631ab4 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -43,11 +43,37 @@
 	fi
 }
 
+# Generate a linker script to ensure correct ordering of initcalls.
+gen_initcalls()
+{
+	info GEN .tmp_initcalls.lds
+
+	${PYTHON} ${srctree}/scripts/jobserver-exec		\
+	${PERL} ${srctree}/scripts/generate_initcall_order.pl	\
+		${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS}	\
+		> .tmp_initcalls.lds
+}
+
+# If CONFIG_LTO_CLANG is selected, collect generated symbol versions into
+# .tmp_symversions.lds
+gen_symversions()
+{
+	info GEN .tmp_symversions.lds
+	rm -f .tmp_symversions.lds
+
+	for o in ${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS}; do
+		if [ -f ${o}.symversions ]; then
+			cat ${o}.symversions >> .tmp_symversions.lds
+		fi
+	done
+}
+
 # Link of vmlinux.o used for section mismatch analysis
 # ${1} output file
 modpost_link()
 {
 	local objects
+	local lds=""
 
 	objects="--whole-archive				\
 		${KBUILD_VMLINUX_OBJS}				\
@@ -56,22 +82,60 @@
 		${KBUILD_VMLINUX_LIBS}				\
 		--end-group"
 
-	${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${objects}
+	if [ -n "${CONFIG_LTO_CLANG}" ]; then
+		gen_initcalls
+		lds="-T .tmp_initcalls.lds"
+
+		if [ -n "${CONFIG_MODVERSIONS}" ]; then
+			gen_symversions
+			lds="${lds} -T .tmp_symversions.lds"
+		fi
+
+		# This might take a while, so indicate that we're doing
+		# an LTO link
+		info LTO ${1}
+	else
+		info LD ${1}
+	fi
+
+	${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${lds} ${objects}
 }
 
 objtool_link()
 {
+	local objtoolcmd;
 	local objtoolopt;
 
+	if [ "${CONFIG_LTO_CLANG} ${CONFIG_STACK_VALIDATION}" = "y y" ]; then
+		# Don't perform vmlinux validation unless explicitly requested,
+		# but run objtool on vmlinux.o now that we have an object file.
+		if [ -n "${CONFIG_UNWINDER_ORC}" ]; then
+			objtoolcmd="orc generate"
+		fi
+
+		objtoolopt="${objtoolopt} --duplicate"
+
+		if [ -n "${CONFIG_FTRACE_MCOUNT_USE_OBJTOOL}" ]; then
+			objtoolopt="${objtoolopt} --mcount"
+		fi
+	fi
+
 	if [ -n "${CONFIG_VMLINUX_VALIDATION}" ]; then
-		objtoolopt="check"
+		objtoolopt="${objtoolopt} --noinstr"
+	fi
+
+	if [ -n "${objtoolopt}" ]; then
+		if [ -z "${objtoolcmd}" ]; then
+			objtoolcmd="check"
+		fi
+		objtoolopt="${objtoolopt} --vmlinux"
 		if [ -n "${CONFIG_CPU_UNRET_ENTRY}" ]; then
 			objtoolopt="${objtoolopt} --unret"
 		fi
 		if [ -z "${CONFIG_FRAME_POINTER}" ]; then
 			objtoolopt="${objtoolopt} --no-fp"
 		fi
-		if [ -n "${CONFIG_GCOV_KERNEL}" ]; then
+		if [ -n "${CONFIG_GCOV_KERNEL}" ] || [ -n "${CONFIG_LTO_CLANG}" ]; then
 			objtoolopt="${objtoolopt} --no-unreachable"
 		fi
 		if [ -n "${CONFIG_RETPOLINE}" ]; then
@@ -84,7 +148,7 @@
 			objtoolopt="${objtoolopt} --sls"
 		fi
 		info OBJTOOL ${1}
-		tools/objtool/objtool ${objtoolopt} ${1}
+		tools/objtool/objtool ${objtoolcmd} ${objtoolopt} ${1}
 	fi
 }
 
@@ -109,13 +173,22 @@
 	fi
 
 	if [ "${SRCARCH}" != "um" ]; then
-		objects="--whole-archive			\
-			${KBUILD_VMLINUX_OBJS}			\
-			--no-whole-archive			\
-			--start-group				\
-			${KBUILD_VMLINUX_LIBS}			\
-			--end-group				\
-			${@}"
+		if [ -n "${CONFIG_LTO_CLANG}" ]; then
+			# Use vmlinux.o instead of performing the slow LTO
+			# link again.
+			objects="--whole-archive		\
+				vmlinux.o 			\
+				--no-whole-archive		\
+				${@}"
+		else
+			objects="--whole-archive		\
+				${KBUILD_VMLINUX_OBJS}		\
+				--no-whole-archive		\
+				--start-group			\
+				${KBUILD_VMLINUX_LIBS}		\
+				--end-group			\
+				${@}"
+		fi
 
 		${LD} ${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux}	\
 			${strip_debug#-Wl,}			\
@@ -193,7 +266,15 @@
 	fi
 
 	info KSYMS ${2}
-	${NM} -n ${1} | scripts/kallsyms ${kallsymopt} > ${2}
+
+	if [ -n "${CONFIG_CFI_CLANG}" ]; then
+		${PERL} ${srctree}/scripts/generate_cfi_kallsyms.pl ${1} | \
+			sort -n > .tmp_kallsyms
+	else
+		${NM} -n ${1} > .tmp_kallsyms
+	fi
+
+	scripts/kallsyms ${kallsymopt} < .tmp_kallsyms > ${2}
 }
 
 # Perform one step in kallsyms generation, including temporary linking of
@@ -231,6 +312,9 @@
 {
 	rm -f .btf.*
 	rm -f .tmp_System.map
+	rm -f .tmp_kallsyms
+	rm -f .tmp_initcalls.lds
+	rm -f .tmp_symversions.lds
 	rm -f .tmp_vmlinux*
 	rm -f System.map
 	rm -f vmlinux
@@ -280,7 +364,6 @@
 ${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init need-builtin=1
 
 #link vmlinux.o
-info LD vmlinux.o
 modpost_link vmlinux.o
 objtool_link vmlinux.o
 
diff --git a/scripts/lld-version.sh b/scripts/lld-version.sh
deleted file mode 100755
index f1eeee4..0000000
--- a/scripts/lld-version.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-#
-# Usage: $ ./scripts/lld-version.sh ld.lld
-#
-# Print the linker version of `ld.lld' in a 5 or 6-digit form
-# such as `100001' for ld.lld 10.0.1 etc.
-
-set -e
-
-# Convert the version string x.y.z to a canonical 5 or 6-digit form.
-get_canonical_version()
-{
-	IFS=.
-	set -- $1
-
-	# If the 2nd or 3rd field is missing, fill it with a zero.
-	echo $((10000 * $1 + 100 * ${2:-0} + ${3:-0}))
-}
-
-# Get the first line of the --version output.
-IFS='
-'
-set -- $(LC_ALL=C "$@" --version)
-
-# Split the line on spaces.
-IFS=' '
-set -- $1
-
-while [ $# -gt 1 -a "$1" != "LLD" ]; do
-	shift
-done
-if [ "$1" = LLD ]; then
-	echo $(get_canonical_version ${2%-*})
-else
-	echo 0
-fi
diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh
new file mode 100755
index 0000000..d22cf91
--- /dev/null
+++ b/scripts/min-tool-version.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Print the minimum supported version of the given tool.
+# When you raise the minimum version, please update
+# Documentation/process/changes.rst as well.
+
+set -e
+
+if [ $# != 1 ]; then
+	echo "Usage: $0 toolname" >&2
+	exit 1
+fi
+
+case "$1" in
+binutils)
+	echo 2.23.0
+	;;
+gcc)
+	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293
+	# https://lore.kernel.org/r/20210107111841.GN1551@shell.armlinux.org.uk
+	if [ "$SRCARCH" = arm64 ]; then
+		echo 5.1.0
+	else
+		echo 4.9.0
+	fi
+	;;
+icc)
+	# temporary
+	echo 16.0.3
+	;;
+llvm)
+	echo 10.0.1
+	;;
+*)
+	echo "$1: unknown tool" >&2
+	exit 1
+	;;
+esac
diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index 7807168..c9e38ad 100644
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD := y
+CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO)
 
 hostprogs-always-y	+= modpost mk_elfconfig
 always-y		+= empty.o
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 78ac98c..8a481e1 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -17,7 +17,6 @@
 #include <ctype.h>
 #include <string.h>
 #include <limits.h>
-#include <stdbool.h>
 #include <errno.h>
 #include "modpost.h"
 #include "../../include/linux/license.h"
@@ -30,16 +29,20 @@
 static int all_versions = 0;
 /* If we are modposting external module set to 1 */
 static int external_module = 0;
+#define MODULE_SCMVERSION_SIZE 64
+static char module_scmversion[MODULE_SCMVERSION_SIZE];
 /* Only warn about unresolved symbols */
 static int warn_unresolved = 0;
 /* How a symbol is exported */
 static int sec_mismatch_count = 0;
-static int sec_mismatch_fatal = 0;
+static int sec_mismatch_warn_only = true;
 /* ignore missing files */
 static int ignore_missing_files;
 /* If set to 1, only warn (instead of error) about missing ns imports */
 static int allow_missing_ns_imports;
 
+static bool error_occurred;
+
 enum export {
 	export_plain,      export_unused,     export_gpl,
 	export_unused_gpl, export_gpl_future, export_unknown
@@ -78,14 +81,8 @@
 
 	if (loglevel == LOG_FATAL)
 		exit(1);
-}
-
-static inline bool strends(const char *str, const char *postfix)
-{
-	if (strlen(str) < strlen(postfix))
-		return false;
-
-	return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
+	if (loglevel == LOG_ERROR)
+		error_occurred = true;
 }
 
 void *do_nofail(void *ptr, const char *expr)
@@ -403,8 +400,8 @@
 	 * actually an assertion.
 	 */
 	if (!s) {
-		merror("Could not update namespace(%s) for symbol %s\n",
-		       namespace, symname);
+		error("Could not update namespace(%s) for symbol %s\n",
+		      namespace, symname);
 		return;
 	}
 
@@ -426,10 +423,9 @@
 		s = new_symbol(name, mod, export);
 	} else if (!external_module || s->module->is_vmlinux ||
 		   s->module == mod) {
-		warn("%s: '%s' exported twice. Previous export was in %s%s\n",
-		     mod->name, name, s->module->name,
-		     s->module->is_vmlinux ? "" : ".ko");
-		return s;
+		fatal("%s: '%s' exported twice. Previous export was in %s%s\n",
+		      mod->name, name, s->module->name,
+		      s->module->is_vmlinux ? "" : ".ko");
 	}
 
 	s->module = mod;
@@ -2003,6 +1999,10 @@
 		size_t m = strspn(s + n + 1, "0123456789");
 		if (m && (s[n + m + 1] == '.' || s[n + m + 1] == 0))
 			s[n] = 0;
+
+		/* strip trailing .lto */
+		if (strends(s, ".lto"))
+			s[strlen(s) - 4] = '\0';
 	}
 	return s;
 }
@@ -2026,6 +2026,9 @@
 		/* strip trailing .o */
 		tmp = NOFAIL(strdup(modname));
 		tmp[strlen(tmp) - 2] = '\0';
+		/* strip trailing .lto */
+		if (strends(tmp, ".lto"))
+			tmp[strlen(tmp) - 4] = '\0';
 		mod = new_module(tmp);
 		free(tmp);
 	}
@@ -2033,7 +2036,7 @@
 	if (!mod->is_vmlinux) {
 		license = get_modinfo(&info, "license");
 		if (!license)
-			warn("missing MODULE_LICENSE() in %s\n", modname);
+			error("missing MODULE_LICENSE() in %s\n", modname);
 		while (license) {
 			if (license_is_gpl_compatible(license))
 				mod->gpl_compatible = 1;
@@ -2160,11 +2163,11 @@
 {
 	switch (exp) {
 	case export_gpl:
-		fatal("GPL-incompatible module %s.ko uses GPL-only symbol '%s'\n",
+		error("GPL-incompatible module %s.ko uses GPL-only symbol '%s'\n",
 		      m, s);
 		break;
 	case export_unused_gpl:
-		fatal("GPL-incompatible module %s.ko uses GPL-only symbol marked UNUSED '%s'\n",
+		error("GPL-incompatible module %s.ko uses GPL-only symbol marked UNUSED '%s'\n",
 		      m, s);
 		break;
 	case export_gpl_future:
@@ -2193,22 +2196,18 @@
 	}
 }
 
-static int check_exports(struct module *mod)
+static void check_exports(struct module *mod)
 {
 	struct symbol *s, *exp;
-	int err = 0;
 
 	for (s = mod->unres; s; s = s->next) {
 		const char *basename;
 		exp = find_symbol(s->name);
 		if (!exp || exp->module == mod) {
-			if (have_vmlinux && !s->weak) {
+			if (have_vmlinux && !s->weak)
 				modpost_log(warn_unresolved ? LOG_WARN : LOG_ERROR,
 					    "\"%s\" [%s.ko] undefined!\n",
 					    s->name, mod->name);
-				if (!warn_unresolved)
-					err = 1;
-			}
 			continue;
 		}
 		basename = strrchr(mod->name, '/');
@@ -2222,8 +2221,6 @@
 			modpost_log(allow_missing_ns_imports ? LOG_WARN : LOG_ERROR,
 				    "module %s uses symbol %s from namespace %s, but does not import it.\n",
 				    basename, exp->name, exp->namespace);
-			if (!allow_missing_ns_imports)
-				err = 1;
 			add_namespace(&mod->missing_namespaces, exp->namespace);
 		}
 
@@ -2231,11 +2228,9 @@
 			check_for_gpl_usage(exp->export, basename, exp->name);
 		check_for_unused(exp->export, basename, exp->name);
 	}
-
-	return err;
 }
 
-static int check_modname_len(struct module *mod)
+static void check_modname_len(struct module *mod)
 {
 	const char *mod_name;
 
@@ -2244,12 +2239,8 @@
 		mod_name = mod->name;
 	else
 		mod_name++;
-	if (strlen(mod_name) >= MODULE_NAME_LEN) {
-		merror("module name is too long [%s.ko]\n", mod->name);
-		return 1;
-	}
-
-	return 0;
+	if (strlen(mod_name) >= MODULE_NAME_LEN)
+		error("module name is too long [%s.ko]\n", mod->name);
 }
 
 /**
@@ -2291,6 +2282,20 @@
 		buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n");
 }
 
+/**
+ * add_scmversion() - Adds the MODULE_INFO macro for the scmversion.
+ * @b: Buffer to append to.
+ *
+ * This function fills in the module attribute `scmversion` for the kernel
+ * module. This is useful for determining a given module's SCM version on
+ * device via /sys/modules/<module>/scmversion and/or using the modinfo tool.
+ */
+static void add_scmversion(struct buffer *b)
+{
+	if (module_scmversion[0] != '\0')
+		buf_printf(b, "\nMODULE_INFO(scmversion, \"%s\");\n", module_scmversion);
+}
+
 /* Cannot check for assembler */
 static void add_retpoline(struct buffer *b)
 {
@@ -2308,10 +2313,9 @@
 /**
  * Record CRCs for unresolved symbols
  **/
-static int add_versions(struct buffer *b, struct module *mod)
+static void add_versions(struct buffer *b, struct module *mod)
 {
 	struct symbol *s, *exp;
-	int err = 0;
 
 	for (s = mod->unres; s; s = s->next) {
 		exp = find_symbol(s->name);
@@ -2323,7 +2327,7 @@
 	}
 
 	if (!modversions)
-		return err;
+		return;
 
 	buf_printf(b, "\n");
 	buf_printf(b, "static const struct modversion_info ____versions[]\n");
@@ -2338,9 +2342,8 @@
 			continue;
 		}
 		if (strlen(s->name) >= MODULE_NAME_LEN) {
-			merror("too long symbol \"%s\" [%s.ko]\n",
-			       s->name, mod->name);
-			err = 1;
+			error("too long symbol \"%s\" [%s.ko]\n",
+			      s->name, mod->name);
 			break;
 		}
 		buf_printf(b, "\t{ %#8x, \"%s\" },\n",
@@ -2348,8 +2351,6 @@
 	}
 
 	buf_printf(b, "};\n");
-
-	return err;
 }
 
 static void add_depends(struct buffer *b, struct module *mod)
@@ -2560,12 +2561,11 @@
 	char *missing_namespace_deps = NULL;
 	char *dump_write = NULL, *files_source = NULL;
 	int opt;
-	int err;
 	int n;
 	struct dump_list *dump_read_start = NULL;
 	struct dump_list **dump_read_iter = &dump_read_start;
 
-	while ((opt = getopt(argc, argv, "ei:mnT:o:awENd:")) != -1) {
+	while ((opt = getopt(argc, argv, "ei:mnT:o:awENd:v:")) != -1) {
 		switch (opt) {
 		case 'e':
 			external_module = 1;
@@ -2595,7 +2595,7 @@
 			warn_unresolved = 1;
 			break;
 		case 'E':
-			sec_mismatch_fatal = 1;
+			sec_mismatch_warn_only = false;
 			break;
 		case 'N':
 			allow_missing_ns_imports = 1;
@@ -2603,6 +2603,9 @@
 		case 'd':
 			missing_namespace_deps = optarg;
 			break;
+		case 'v':
+			strncpy(module_scmversion, optarg, sizeof(module_scmversion) - 1);
+			break;
 		default:
 			exit(1);
 		}
@@ -2630,8 +2633,6 @@
 	if (!have_vmlinux)
 		warn("Symbol info of vmlinux is missing. Unresolved symbol check will be entirely skipped.\n");
 
-	err = 0;
-
 	for (mod = modules; mod; mod = mod->next) {
 		char fname[PATH_MAX];
 
@@ -2640,17 +2641,18 @@
 
 		buf.pos = 0;
 
-		err |= check_modname_len(mod);
-		err |= check_exports(mod);
+		check_modname_len(mod);
+		check_exports(mod);
 
 		add_header(&buf, mod);
 		add_intree_flag(&buf, !external_module);
 		add_retpoline(&buf);
 		add_staging_flag(&buf, mod->name);
-		err |= add_versions(&buf, mod);
+		add_versions(&buf, mod);
 		add_depends(&buf, mod);
 		add_moddevtable(&buf, mod);
 		add_srcversion(&buf, mod);
+		add_scmversion(&buf);
 
 		sprintf(fname, "%s.mod.c", mod->name);
 		write_if_changed(&buf, fname);
@@ -2661,21 +2663,21 @@
 
 	if (dump_write)
 		write_dump(dump_write);
-	if (sec_mismatch_count && sec_mismatch_fatal)
-		fatal("Section mismatches detected.\n"
+	if (sec_mismatch_count && !sec_mismatch_warn_only)
+		error("Section mismatches detected.\n"
 		      "Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.\n");
 	for (n = 0; n < SYMBOL_HASH_SIZE; n++) {
 		struct symbol *s;
 
 		for (s = symbolhash[n]; s; s = s->next) {
 			if (s->is_static)
-				warn("\"%s\" [%s] is a static %s\n",
-				     s->name, s->module->name,
-				     export_str(s->export));
+				error("\"%s\" [%s] is a static %s\n",
+				      s->name, s->module->name,
+				      export_str(s->export));
 		}
 	}
 
 	free(buf.p);
 
-	return err;
+	return error_occurred ? 1 : 0;
 }
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 3aa0527..1f76eea 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -180,6 +181,14 @@
 	return info->symtab_shndx_start[sym - info->symtab_start];
 }
 
+static inline bool strends(const char *str, const char *postfix)
+{
+	if (strlen(str) < strlen(postfix))
+		return false;
+
+	return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
+}
+
 /* file2alias.c */
 extern unsigned int cross_build;
 void handle_moddevtable(struct module *mod, struct elf_info *info,
@@ -201,6 +210,19 @@
 
 void modpost_log(enum loglevel loglevel, const char *fmt, ...);
 
+/*
+ * warn - show the given message, then let modpost continue running, still
+ *        allowing modpost to exit successfully. This should be used when
+ *        we still allow to generate vmlinux and modules.
+ *
+ * error - show the given message, then let modpost continue running, but fail
+ *         in the end. This should be used when we should stop building vmlinux
+ *         or modules, but we can continue running modpost to catch as many
+ *         issues as possible.
+ *
+ * fatal - show the given message, and bail out immediately. This should be
+ *         used when there is no point to continue running modpost.
+ */
 #define warn(fmt, args...)	modpost_log(LOG_WARN, fmt, ##args)
-#define merror(fmt, args...)	modpost_log(LOG_ERROR, fmt, ##args)
+#define error(fmt, args...)	modpost_log(LOG_ERROR, fmt, ##args)
 #define fatal(fmt, args...)	modpost_log(LOG_FATAL, fmt, ##args)
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index d587f40..760e6ba 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -391,10 +391,14 @@
 	struct md4_ctx md;
 	char *fname;
 	char filelist[PATH_MAX + 1];
+	int postfix_len = 1;
+
+	if (strends(modname, ".lto.o"))
+		postfix_len = 5;
 
 	/* objects for a module are listed in the first line of *.mod file. */
 	snprintf(filelist, sizeof(filelist), "%.*smod",
-		 (int)strlen(modname) - 1, modname);
+		 (int)strlen(modname) - postfix_len, modname);
 
 	buf = read_text_file(filelist);
 
diff --git a/scripts/module.lds.S b/scripts/module.lds.S
index 2c510db..6b7cfbb 100644
--- a/scripts/module.lds.S
+++ b/scripts/module.lds.S
@@ -3,10 +3,17 @@
  * Archs are free to supply their own linker scripts.  ld will
  * combine them automatically.
  */
+#include <asm/page.h>
+
 SECTIONS {
 	/DISCARD/ : {
 		*(.discard)
 		*(.discard.*)
+		/*
+		 * LLD may emit .eh_frame with CONFIG_CFI_CLANG despite
+		 * -fno-asynchronous-unwind-tables. Discard the section.
+		 */
+		*(.eh_frame)
 	}
 
 	__ksymtab		0 : { *(SORT(___ksymtab+*)) }
@@ -45,11 +52,29 @@
 	}
 
 	.rodata : {
+		*(.rodata.._start)
 		*(.rodata .rodata.[0-9a-zA-Z_]*)
 		*(.rodata..L*)
+		*(.rodata.._end)
 	}
 
-	.text : { *(.text .text.[0-9a-zA-Z_]*) }
+	.text : ALIGN(PAGE_SIZE) {
+		*(.text.._start)
+#ifdef CONFIG_CFI_CLANG
+		/*
+		 * With CFI_CLANG, ensure __cfi_check is at the beginning of
+		 * the .text section, and that the section is aligned to page
+		 * size.
+		 */
+		*(.text.__cfi_check)
+#endif
+		*(.text .text.[0-9a-zA-Z_]*)
+		__cfi_jt_start = .;
+		*(.text..L.cfi.jumptable .text..L.cfi.jumptable.*)
+		__cfi_jt_end = .;
+		*(.text.._end)
+		*(.text.._fips140_unchecked)
+	}
 #endif
 }
 
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index bb709ed..2f51010 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -11,12 +11,14 @@
 #
 
 usage() {
-	echo "Usage: $0 [--save-scmversion] [srctree]" >&2
+	echo "Usage: $0 [--save-scmversion] [srctree] [branch] [kmi-generation]" >&2
 	exit 1
 }
 
 scm_only=false
 srctree=.
+android_release=
+kmi_generation=
 if test "$1" = "--save-scmversion"; then
 	scm_only=true
 	shift
@@ -25,6 +27,22 @@
 	srctree=$1
 	shift
 fi
+if test $# -gt 0; then
+	# Extract the Android release version. If there is no match, then return 255
+	# and clear the var $android_release
+	android_release=`echo "$1" | sed -e '/android[0-9]\{2,\}/!{q255}; \
+		s/^\(android[0-9]\{2,\}\)-.*/\1/'`
+	if test $? -ne 0; then
+		android_release=
+	fi
+	shift
+
+	if test $# -gt 0; then
+		kmi_generation=$1
+		[ $(expr $kmi_generation : '^[0-9]\+$') -eq 0 ] && usage
+		shift
+	fi
+fi
 if test $# -gt 0 -o ! -d "$srctree"; then
 	usage
 fi
@@ -44,8 +62,13 @@
 	fi
 
 	# Check for git and a git repo.
-	if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
-	   head=$(git rev-parse --verify HEAD 2>/dev/null); then
+	if head=$(git rev-parse --verify HEAD 2>/dev/null); then
+
+		if [ -n "$android_release" ] && [ -n "$kmi_generation" ]; then
+			printf '%s' "-$android_release-$kmi_generation"
+		elif [ -n "$android_release" ]; then
+			printf '%s' "-$android_release"
+		fi
 
 		# If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
 		# it, because this version is defined in the top level Makefile.
@@ -102,7 +125,7 @@
 	fi
 
 	# Check for mercurial and a mercurial repo.
-	if test -d .hg && hgid=$(hg id 2>/dev/null); then
+	if hgid=$(hg id 2>/dev/null); then
 		# Do we have an tagged version?  If so, latesttagdistance == 1
 		if [ "$(hg log -r . --template '{latesttagdistance}')" = "1" ]; then
 			id=$(hg log -r . --template '{latesttag}')
@@ -191,4 +214,9 @@
 	fi
 fi
 
+# finally, add the abXXX number if BUILD_NUMBER is set
+if test -n "${BUILD_NUMBER}"; then
+	res="$res-ab${BUILD_NUMBER}"
+fi
+
 echo "$res"
diff --git a/scripts/sign-file.c b/scripts/sign-file.c
index 12acc70..dd509a5 100644
--- a/scripts/sign-file.c
+++ b/scripts/sign-file.c
@@ -99,6 +99,7 @@
 	}
 }
 
+#ifndef OPENSSL_NO_ENGINE
 static void drain_openssl_errors(void)
 {
 	const char *file;
@@ -108,6 +109,7 @@
 		return;
 	while (ERR_get_error_line(&file, &line)) {}
 }
+#endif
 
 #define ERR(cond, fmt, ...)				\
 	do {						\
@@ -142,7 +144,9 @@
 static EVP_PKEY *read_private_key(const char *private_key_name)
 {
 	EVP_PKEY *private_key;
+	BIO *b;
 
+#ifndef OPENSSL_NO_ENGINE
 	if (!strncmp(private_key_name, "pkcs11:", 7)) {
 		ENGINE *e;
 
@@ -160,17 +164,16 @@
 		private_key = ENGINE_load_private_key(e, private_key_name,
 						      NULL, NULL);
 		ERR(!private_key, "%s", private_key_name);
-	} else {
-		BIO *b;
-
-		b = BIO_new_file(private_key_name, "rb");
-		ERR(!b, "%s", private_key_name);
-		private_key = PEM_read_bio_PrivateKey(b, NULL, pem_pw_cb,
-						      NULL);
-		ERR(!private_key, "%s", private_key_name);
-		BIO_free(b);
+		return private_key;
 	}
+#endif
 
+	b = BIO_new_file(private_key_name, "rb");
+	ERR(!b, "%s", private_key_name);
+	private_key = PEM_read_bio_PrivateKey(b, NULL, pem_pw_cb,
+					      NULL);
+	ERR(!private_key, "%s", private_key_name);
+	BIO_free(b);
 	return private_key;
 }
 
diff --git a/security/Kconfig.hardening b/security/Kconfig.hardening
index b54eb71..a69055b 100644
--- a/security/Kconfig.hardening
+++ b/security/Kconfig.hardening
@@ -74,7 +74,7 @@
 	config GCC_PLUGIN_STRUCTLEAK_BYREF
 		bool "zero-init structs passed by reference (strong)"
 		depends on GCC_PLUGINS
-		depends on !(KASAN && KASAN_STACK=1)
+		depends on !(KASAN && KASAN_STACK)
 		select GCC_PLUGIN_STRUCTLEAK
 		help
 		  Zero-initialize any structures on the stack that may
@@ -92,7 +92,7 @@
 	config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
 		bool "zero-init everything passed by reference (very strong)"
 		depends on GCC_PLUGINS
-		depends on !(KASAN && KASAN_STACK=1)
+		depends on !(KASAN && KASAN_STACK)
 		select GCC_PLUGIN_STRUCTLEAK
 		help
 		  Zero-initialize any stack variables that may be passed
diff --git a/security/commoncap.c b/security/commoncap.c
index b44b697..09b402c 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -297,7 +297,8 @@
 	struct inode *inode = d_backing_inode(dentry);
 	int error;
 
-	error = __vfs_getxattr(dentry, inode, XATTR_NAME_CAPS, NULL, 0);
+	error = __vfs_getxattr(dentry, inode, XATTR_NAME_CAPS, NULL, 0,
+			       XATTR_NOSECURITY);
 	return error > 0;
 }
 
@@ -607,7 +608,8 @@
 
 	fs_ns = inode->i_sb->s_user_ns;
 	size = __vfs_getxattr((struct dentry *)dentry, inode,
-			      XATTR_NAME_CAPS, &data, XATTR_CAPS_SZ);
+			      XATTR_NAME_CAPS, &data, XATTR_CAPS_SZ,
+			      XATTR_NOSECURITY);
 	if (size == -ENODATA || size == -EOPNOTSUPP)
 		/* no data, that's ok */
 		return -ENODATA;
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 8cfc49f..37ed819 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -101,7 +101,8 @@
 		return -EOPNOTSUPP;
 
 	list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
-		error = __vfs_getxattr(dentry, inode, xattr->name, NULL, 0);
+		error = __vfs_getxattr(dentry, inode, xattr->name, NULL, 0,
+				       XATTR_NOSECURITY);
 		if (error < 0) {
 			if (error == -ENODATA)
 				continue;
diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
index 87cbdc6..7bb0ce3 100644
--- a/security/lockdown/lockdown.c
+++ b/security/lockdown/lockdown.c
@@ -16,6 +16,34 @@
 
 static enum lockdown_reason kernel_locked_down;
 
+static const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1] = {
+	[LOCKDOWN_NONE] = "none",
+	[LOCKDOWN_MODULE_SIGNATURE] = "unsigned module loading",
+	[LOCKDOWN_DEV_MEM] = "/dev/mem,kmem,port",
+	[LOCKDOWN_EFI_TEST] = "/dev/efi_test access",
+	[LOCKDOWN_KEXEC] = "kexec of unsigned images",
+	[LOCKDOWN_HIBERNATION] = "hibernation",
+	[LOCKDOWN_PCI_ACCESS] = "direct PCI access",
+	[LOCKDOWN_IOPORT] = "raw io port access",
+	[LOCKDOWN_MSR] = "raw MSR access",
+	[LOCKDOWN_ACPI_TABLES] = "modifying ACPI tables",
+	[LOCKDOWN_PCMCIA_CIS] = "direct PCMCIA CIS storage",
+	[LOCKDOWN_TIOCSSERIAL] = "reconfiguration of serial port IO",
+	[LOCKDOWN_MODULE_PARAMETERS] = "unsafe module parameters",
+	[LOCKDOWN_MMIOTRACE] = "unsafe mmio",
+	[LOCKDOWN_DEBUGFS] = "debugfs access",
+	[LOCKDOWN_XMON_WR] = "xmon write access",
+	[LOCKDOWN_BPF_WRITE_USER] = "use of bpf to write user RAM",
+	[LOCKDOWN_INTEGRITY_MAX] = "integrity",
+	[LOCKDOWN_KCORE] = "/proc/kcore access",
+	[LOCKDOWN_KPROBES] = "use of kprobes",
+	[LOCKDOWN_BPF_READ] = "use of bpf to read kernel RAM",
+	[LOCKDOWN_PERF] = "unsafe use of perf",
+	[LOCKDOWN_TRACEFS] = "use of tracefs",
+	[LOCKDOWN_XMON_RW] = "xmon read and write access",
+	[LOCKDOWN_CONFIDENTIALITY_MAX] = "confidentiality",
+};
+
 static const enum lockdown_reason lockdown_levels[] = {LOCKDOWN_NONE,
 						 LOCKDOWN_INTEGRITY_MAX,
 						 LOCKDOWN_CONFIDENTIALITY_MAX};
diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index 08d5ef4..6f76044 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -27,7 +27,6 @@
 #include <linux/dccp.h>
 #include <linux/sctp.h>
 #include <linux/lsm_audit.h>
-#include <linux/security.h>
 
 /**
  * ipv4_skb_to_auditdata : fill auditdata from skb
@@ -434,10 +433,6 @@
 				 a->u.ibendport->dev_name,
 				 a->u.ibendport->port);
 		break;
-	case LSM_AUDIT_DATA_LOCKDOWN:
-		audit_log_format(ab, " lockdown_reason=\"%s\"",
-				 lockdown_reasons[a->u.reason]);
-		break;
 	} /* switch (a->type) */
 }
 
diff --git a/security/security.c b/security/security.c
index f9157d5..2964588 100644
--- a/security/security.c
+++ b/security/security.c
@@ -35,42 +35,6 @@
 /* How many LSMs were built into the kernel? */
 #define LSM_COUNT (__end_lsm_info - __start_lsm_info)
 
-/*
- * These are descriptions of the reasons that can be passed to the
- * security_locked_down() LSM hook. Placing this array here allows
- * all security modules to use the same descriptions for auditing
- * purposes.
- */
-const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1] = {
-	[LOCKDOWN_NONE] = "none",
-	[LOCKDOWN_MODULE_SIGNATURE] = "unsigned module loading",
-	[LOCKDOWN_DEV_MEM] = "/dev/mem,kmem,port",
-	[LOCKDOWN_EFI_TEST] = "/dev/efi_test access",
-	[LOCKDOWN_KEXEC] = "kexec of unsigned images",
-	[LOCKDOWN_HIBERNATION] = "hibernation",
-	[LOCKDOWN_PCI_ACCESS] = "direct PCI access",
-	[LOCKDOWN_IOPORT] = "raw io port access",
-	[LOCKDOWN_MSR] = "raw MSR access",
-	[LOCKDOWN_ACPI_TABLES] = "modifying ACPI tables",
-	[LOCKDOWN_PCMCIA_CIS] = "direct PCMCIA CIS storage",
-	[LOCKDOWN_TIOCSSERIAL] = "reconfiguration of serial port IO",
-	[LOCKDOWN_MODULE_PARAMETERS] = "unsafe module parameters",
-	[LOCKDOWN_MMIOTRACE] = "unsafe mmio",
-	[LOCKDOWN_DEBUGFS] = "debugfs access",
-	[LOCKDOWN_XMON_WR] = "xmon write access",
-	[LOCKDOWN_BPF_WRITE_USER] = "use of bpf to write user RAM",
-	[LOCKDOWN_DBG_WRITE_KERNEL] = "use of kgdb/kdb to write kernel RAM",
-	[LOCKDOWN_INTEGRITY_MAX] = "integrity",
-	[LOCKDOWN_KCORE] = "/proc/kcore access",
-	[LOCKDOWN_KPROBES] = "use of kprobes",
-	[LOCKDOWN_BPF_READ] = "use of bpf to read kernel RAM",
-	[LOCKDOWN_DBG_READ_KERNEL] = "use of kgdb/kdb to read kernel RAM",
-	[LOCKDOWN_PERF] = "unsafe use of perf",
-	[LOCKDOWN_TRACEFS] = "use of tracefs",
-	[LOCKDOWN_XMON_RW] = "xmon read and write access",
-	[LOCKDOWN_CONFIDENTIALITY_MAX] = "confidentiality",
-};
-
 struct security_hook_heads security_hook_heads __lsm_ro_after_init;
 static BLOCKING_NOTIFIER_HEAD(blocking_lsm_notifier_chain);
 
@@ -1074,6 +1038,14 @@
 }
 EXPORT_SYMBOL(security_inode_init_security);
 
+int security_inode_init_security_anon(struct inode *inode,
+				      const struct qstr *name,
+				      const struct inode *context_inode)
+{
+	return call_int_hook(inode_init_security_anon, 0, inode, name,
+			     context_inode);
+}
+
 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
 				     const struct qstr *qstr, const char **name,
 				     void **value, size_t *len)
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index 884a014..e1efe744 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -44,6 +44,9 @@
 #define avc_cache_stats_incr(field)	do {} while (0)
 #endif
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/avc.h>
+
 struct avc_entry {
 	u32			ssid;
 	u32			tsid;
@@ -441,6 +444,7 @@
 
 static void avc_node_delete(struct selinux_avc *avc, struct avc_node *node)
 {
+	trace_android_vh_selinux_avc_node_delete(node);
 	hlist_del_rcu(&node->list);
 	call_rcu(&node->rhead, avc_node_free);
 	atomic_dec(&avc->avc_cache.active_nodes);
@@ -457,6 +461,7 @@
 static void avc_node_replace(struct selinux_avc *avc,
 			     struct avc_node *new, struct avc_node *old)
 {
+	trace_android_vh_selinux_avc_node_replace(old, new);
 	hlist_replace_rcu(&old->list, &new->list);
 	call_rcu(&old->rhead, avc_node_free);
 	atomic_dec(&avc->avc_cache.active_nodes);
@@ -565,8 +570,10 @@
 	avc_cache_stats_incr(lookups);
 	node = avc_search_node(avc, ssid, tsid, tclass);
 
-	if (node)
+	if (node) {
+		trace_android_vh_selinux_avc_lookup(node, ssid, tsid, tclass);
 		return node;
+	}
 
 	avc_cache_stats_incr(misses);
 	return NULL;
@@ -650,6 +657,7 @@
 		}
 	}
 	hlist_add_head_rcu(&node->list, head);
+	trace_android_vh_selinux_avc_insert(node);
 found:
 	spin_unlock_irqrestore(lock, flag);
 	return node;
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index f545321..196ee1d 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -504,7 +504,8 @@
 			goto out;
 		}
 
-		rc = __vfs_getxattr(root, root_inode, XATTR_NAME_SELINUX, NULL, 0);
+		rc = __vfs_getxattr(root, root_inode, XATTR_NAME_SELINUX, NULL,
+				    0, XATTR_NOSECURITY);
 		if (rc < 0 && rc != -ENODATA) {
 			if (rc == -EOPNOTSUPP)
 				pr_warn("SELinux: (dev %s, type "
@@ -1340,12 +1341,14 @@
 		return -ENOMEM;
 
 	context[len] = '\0';
-	rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len);
+	rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len,
+			    XATTR_NOSECURITY);
 	if (rc == -ERANGE) {
 		kfree(context);
 
 		/* Need a larger buffer.  Query for the right size. */
-		rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, NULL, 0);
+		rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, NULL, 0,
+				    XATTR_NOSECURITY);
 		if (rc < 0)
 			return rc;
 
@@ -1356,7 +1359,7 @@
 
 		context[len] = '\0';
 		rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX,
-				    context, len);
+				    context, len, XATTR_NOSECURITY);
 	}
 	if (rc < 0) {
 		kfree(context);
@@ -2936,6 +2939,62 @@
 	return 0;
 }
 
+static int selinux_inode_init_security_anon(struct inode *inode,
+					    const struct qstr *name,
+					    const struct inode *context_inode)
+{
+	const struct task_security_struct *tsec = selinux_cred(current_cred());
+	struct common_audit_data ad;
+	struct inode_security_struct *isec;
+	int rc;
+
+	if (unlikely(!selinux_initialized(&selinux_state)))
+		return 0;
+
+	isec = selinux_inode(inode);
+
+	/*
+	 * We only get here once per ephemeral inode.  The inode has
+	 * been initialized via inode_alloc_security but is otherwise
+	 * untouched.
+	 */
+
+	if (context_inode) {
+		struct inode_security_struct *context_isec =
+			selinux_inode(context_inode);
+		if (context_isec->initialized != LABEL_INITIALIZED) {
+			pr_err("SELinux:  context_inode is not initialized");
+			return -EACCES;
+		}
+
+		isec->sclass = context_isec->sclass;
+		isec->sid = context_isec->sid;
+	} else {
+		isec->sclass = SECCLASS_ANON_INODE;
+		rc = security_transition_sid(
+			&selinux_state, tsec->sid, tsec->sid,
+			isec->sclass, name, &isec->sid);
+		if (rc)
+			return rc;
+	}
+
+	isec->initialized = LABEL_INITIALIZED;
+	/*
+	 * Now that we've initialized security, check whether we're
+	 * allowed to actually create this type of anonymous inode.
+	 */
+
+	ad.type = LSM_AUDIT_DATA_INODE;
+	ad.u.inode = inode;
+
+	return avc_has_perm(&selinux_state,
+			    tsec->sid,
+			    isec->sid,
+			    isec->sclass,
+			    FILE__CREATE,
+			    &ad);
+}
+
 static int selinux_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
 {
 	return may_create(dir, dentry, SECCLASS_FILE);
@@ -6866,34 +6925,6 @@
 }
 #endif
 
-static int selinux_lockdown(enum lockdown_reason what)
-{
-	struct common_audit_data ad;
-	u32 sid = current_sid();
-	int invalid_reason = (what <= LOCKDOWN_NONE) ||
-			     (what == LOCKDOWN_INTEGRITY_MAX) ||
-			     (what >= LOCKDOWN_CONFIDENTIALITY_MAX);
-
-	if (WARN(invalid_reason, "Invalid lockdown reason")) {
-		audit_log(audit_context(),
-			  GFP_ATOMIC, AUDIT_SELINUX_ERR,
-			  "lockdown_reason=invalid");
-		return -EINVAL;
-	}
-
-	ad.type = LSM_AUDIT_DATA_LOCKDOWN;
-	ad.u.reason = what;
-
-	if (what <= LOCKDOWN_INTEGRITY_MAX)
-		return avc_has_perm(&selinux_state,
-				    sid, sid, SECCLASS_LOCKDOWN,
-				    LOCKDOWN__INTEGRITY, &ad);
-	else
-		return avc_has_perm(&selinux_state,
-				    sid, sid, SECCLASS_LOCKDOWN,
-				    LOCKDOWN__CONFIDENTIALITY, &ad);
-}
-
 struct lsm_blob_sizes selinux_blob_sizes __lsm_ro_after_init = {
 	.lbs_cred = sizeof(struct task_security_struct),
 	.lbs_file = sizeof(struct file_security_struct),
@@ -7018,6 +7049,7 @@
 
 	LSM_HOOK_INIT(inode_free_security, selinux_inode_free_security),
 	LSM_HOOK_INIT(inode_init_security, selinux_inode_init_security),
+	LSM_HOOK_INIT(inode_init_security_anon, selinux_inode_init_security_anon),
 	LSM_HOOK_INIT(inode_create, selinux_inode_create),
 	LSM_HOOK_INIT(inode_link, selinux_inode_link),
 	LSM_HOOK_INIT(inode_unlink, selinux_inode_unlink),
@@ -7199,8 +7231,6 @@
 	LSM_HOOK_INIT(perf_event_write, selinux_perf_event_write),
 #endif
 
-	LSM_HOOK_INIT(locked_down, selinux_lockdown),
-
 	/*
 	 * PUT "CLONING" (ACCESSING + ALLOCATING) HOOKS HERE
 	 */
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index b9fdba2..955e8c8 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -117,7 +117,8 @@
 	  { COMMON_IPC_PERMS, NULL } },
 	{ "netlink_route_socket",
 	  { COMMON_SOCK_PERMS,
-	    "nlmsg_read", "nlmsg_write", NULL } },
+	    "nlmsg_read", "nlmsg_write", "nlmsg_readpriv", "nlmsg_getneigh",
+	    NULL } },
 	{ "netlink_tcpdiag_socket",
 	  { COMMON_SOCK_PERMS,
 	    "nlmsg_read", "nlmsg_write", NULL } },
@@ -248,8 +249,8 @@
 	  { COMMON_SOCK_PERMS, NULL } },
 	{ "perf_event",
 	  { "open", "cpu", "kernel", "tracepoint", "read", "write", NULL } },
-	{ "lockdown",
-	  { "integrity", "confidentiality", NULL } },
+	{ "anon_inode",
+	  { COMMON_FILE_PERMS, NULL } },
 	{ NULL }
   };
 
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 1521460..3cb08ad 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -97,6 +97,8 @@
 	bool checkreqprot;
 	bool initialized;
 	bool policycap[__POLICYDB_CAPABILITY_MAX];
+	bool android_netlink_route;
+	bool android_netlink_getneigh;
 
 	struct page *status_page;
 	struct mutex status_lock;
@@ -219,6 +221,20 @@
 	return READ_ONCE(state->policycap[POLICYDB_CAPABILITY_GENFS_SECLABEL_SYMLINKS]);
 }
 
+static inline bool selinux_android_nlroute_getlink(void)
+{
+	struct selinux_state *state = &selinux_state;
+
+	return state->android_netlink_route;
+}
+
+static inline bool selinux_android_nlroute_getneigh(void)
+{
+	struct selinux_state *state = &selinux_state;
+
+	return state->android_netlink_getneigh;
+}
+
 static inline bool selinux_policycap_ioctl_skip_cloexec(void)
 {
 	struct selinux_state *state = &selinux_state;
@@ -459,5 +475,6 @@
 extern void ebitmap_cache_init(void);
 extern void hashtab_cache_init(void);
 extern int security_sidtab_hash_stats(struct selinux_state *state, char *page);
+extern void selinux_nlmsg_init(void);
 
 #endif /* _SELINUX_SECURITY_H_ */
diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c
index c4fb57e..9ad6f9b 100644
--- a/security/selinux/nlmsgtab.c
+++ b/security/selinux/nlmsgtab.c
@@ -25,7 +25,7 @@
 	u32	perm;
 };
 
-static const struct nlmsg_perm nlmsg_route_perms[] =
+static struct nlmsg_perm nlmsg_route_perms[] =
 {
 	{ RTM_NEWLINK,		NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
 	{ RTM_DELLINK,		NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
@@ -123,8 +123,6 @@
 	{ XFRM_MSG_NEWSPDINFO,	NETLINK_XFRM_SOCKET__NLMSG_WRITE },
 	{ XFRM_MSG_GETSPDINFO,	NETLINK_XFRM_SOCKET__NLMSG_READ  },
 	{ XFRM_MSG_MAPPING,	NETLINK_XFRM_SOCKET__NLMSG_READ  },
-	{ XFRM_MSG_SETDEFAULT,	NETLINK_XFRM_SOCKET__NLMSG_WRITE },
-	{ XFRM_MSG_GETDEFAULT,	NETLINK_XFRM_SOCKET__NLMSG_READ  },
 };
 
 static const struct nlmsg_perm nlmsg_audit_perms[] =
@@ -188,7 +186,7 @@
 		 * structures at the top of this file with the new mappings
 		 * before updating the BUILD_BUG_ON() macro!
 		 */
-		BUILD_BUG_ON(XFRM_MSG_MAX != XFRM_MSG_GETDEFAULT);
+		BUILD_BUG_ON(XFRM_MSG_MAX != XFRM_MSG_MAPPING);
 		err = nlmsg_perm(nlmsg_type, perm, nlmsg_xfrm_perms,
 				 sizeof(nlmsg_xfrm_perms));
 		break;
@@ -213,3 +211,43 @@
 
 	return err;
 }
+
+static void nlmsg_set_perm_for_type(u32 perm, u16 type)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(nlmsg_route_perms); i++) {
+		if (nlmsg_route_perms[i].nlmsg_type == type) {
+			nlmsg_route_perms[i].perm = perm;
+			break;
+		}
+	}
+}
+
+/**
+ * Use nlmsg_readpriv as the permission for RTM_GETLINK messages if the
+ * netlink_route_getlink policy capability is set. Otherwise use nlmsg_read.
+ * Similarly, use nlmsg_getneigh for RTM_GETNEIGH and RTM_GETNEIGHTBL if the
+ * netlink_route_getneigh policy capability is set. Otherwise use nlmsg_read.
+ */
+void selinux_nlmsg_init(void)
+{
+	if (selinux_android_nlroute_getlink())
+		nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READPRIV,
+					RTM_GETLINK);
+	else
+		nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READ,
+					RTM_GETLINK);
+
+	if (selinux_android_nlroute_getneigh()) {
+		nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_GETNEIGH,
+					RTM_GETNEIGH);
+		nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_GETNEIGH,
+					RTM_GETNEIGHTBL);
+	} else {
+		nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READ,
+					RTM_GETNEIGH);
+		nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READ,
+					RTM_GETNEIGHTBL);
+	}
+}
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 82cfeab..9e5998c 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -2491,6 +2491,14 @@
 	p->reject_unknown = !!(le32_to_cpu(buf[1]) & REJECT_UNKNOWN);
 	p->allow_unknown = !!(le32_to_cpu(buf[1]) & ALLOW_UNKNOWN);
 
+	if ((le32_to_cpu(buf[1]) & POLICYDB_CONFIG_ANDROID_NETLINK_ROUTE)) {
+		p->android_netlink_route = 1;
+	}
+
+	if ((le32_to_cpu(buf[1]) & POLICYDB_CONFIG_ANDROID_NETLINK_GETNEIGH)) {
+		p->android_netlink_getneigh = 1;
+	}
+
 	if (p->policyvers >= POLICYDB_VERSION_POLCAP) {
 		rc = ebitmap_read(&p->policycaps, fp);
 		if (rc)
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h
index ffc4e7b..1d75811 100644
--- a/security/selinux/ss/policydb.h
+++ b/security/selinux/ss/policydb.h
@@ -238,6 +238,8 @@
 /* The policy database */
 struct policydb {
 	int mls_enabled;
+	int android_netlink_route;
+	int android_netlink_getneigh;
 
 	/* symbol tables */
 	struct symtab symtab[SYM_NUM];
@@ -334,6 +336,8 @@
 	struct policydb *p, struct role_trans_key *key);
 
 #define POLICYDB_CONFIG_MLS    1
+#define POLICYDB_CONFIG_ANDROID_NETLINK_ROUTE    (1 << 31)
+#define POLICYDB_CONFIG_ANDROID_NETLINK_GETNEIGH (1 << 30)
 
 /* the config flags related to unknown classes/perms are bits 2 and 3 */
 #define REJECT_UNKNOWN	0x00000002
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 3db8bd2..3d63372 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -66,6 +66,8 @@
 #include "audit.h"
 #include "policycap_names.h"
 
+#include <trace/hooks/selinux.h>
+
 struct convert_context_args {
 	struct selinux_state *state;
 	struct policydb *oldp;
@@ -2159,6 +2161,10 @@
 			pr_info("SELinux:  unknown policy capability %u\n",
 				i);
 	}
+
+	state->android_netlink_route = p->android_netlink_route;
+	state->android_netlink_getneigh = p->android_netlink_getneigh;
+	selinux_nlmsg_init();
 }
 
 static int security_preserve_bools(struct selinux_policy *oldpolicy,
@@ -2251,6 +2257,7 @@
 		 */
 		selinux_mark_initialized(state);
 		selinux_complete_init();
+		trace_android_vh_selinux_is_initialized(state);
 	}
 
 	/* Free the old policy */
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 814518a..24f8e89 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -289,7 +289,8 @@
 	if (buffer == NULL)
 		return ERR_PTR(-ENOMEM);
 
-	rc = __vfs_getxattr(dp, ip, name, buffer, SMK_LONGLABEL);
+	rc = __vfs_getxattr(dp, ip, name, buffer, SMK_LONGLABEL,
+			    XATTR_NOSECURITY);
 	if (rc < 0)
 		skp = ERR_PTR(rc);
 	else if (rc == 0)
@@ -3461,7 +3462,7 @@
 			} else {
 				rc = __vfs_getxattr(dp, inode,
 					XATTR_NAME_SMACKTRANSMUTE, trattr,
-					TRANS_TRUE_SIZE);
+					TRANS_TRUE_SIZE, XATTR_NOSECURITY);
 				if (rc >= 0 && strncmp(trattr, TRANS_TRUE,
 						       TRANS_TRUE_SIZE) != 0)
 					rc = -EINVAL;
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index c1fec93..f43a1dc 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -33,6 +33,10 @@
 #include <sound/compress_offload.h>
 #include <sound/compress_driver.h>
 
+#ifndef __GENKSYMS__
+#include <trace/hooks/snd_compr.h>
+#endif
+
 /* struct snd_compr_codec_caps overflows the ioctl bit size for some
  * architectures, so we need to disable the relevant ioctls.
  */
@@ -708,6 +712,20 @@
 static int snd_compr_pause(struct snd_compr_stream *stream)
 {
 	int retval;
+	bool use_pause_in_drain = false;
+	bool leave_draining_state = false;
+
+	trace_android_vh_snd_compr_use_pause_in_drain(&use_pause_in_drain,
+				&leave_draining_state);
+
+	if (use_pause_in_drain && stream->runtime->state == SNDRV_PCM_STATE_DRAINING) {
+		retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_PUSH);
+		if (!retval && leave_draining_state) {
+			stream->runtime->state = SNDRV_PCM_STATE_PAUSED;
+			wake_up(&stream->runtime->sleep);
+		}
+		return retval;
+	}
 
 	if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)
 		return -EPERM;
@@ -720,6 +738,14 @@
 static int snd_compr_resume(struct snd_compr_stream *stream)
 {
 	int retval;
+	bool use_pause_in_drain = false;
+	bool leave_draining_state = false;
+
+	trace_android_vh_snd_compr_use_pause_in_drain(&use_pause_in_drain,
+				&leave_draining_state);
+
+	if (use_pause_in_drain && stream->runtime->state == SNDRV_PCM_STATE_DRAINING)
+		return stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_RELEASE);
 
 	if (stream->runtime->state != SNDRV_PCM_STATE_PAUSED)
 		return -EPERM;
diff --git a/sound/core/control.c b/sound/core/control.c
index 732eb51..3b44378 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -121,7 +121,6 @@
 			if (control->vd[idx].owner == ctl)
 				control->vd[idx].owner = NULL;
 	up_write(&card->controls_rwsem);
-	snd_fasync_free(ctl->fasync);
 	snd_ctl_empty_read_queue(ctl);
 	put_pid(ctl->pid);
 	kfree(ctl);
@@ -176,7 +175,7 @@
 	_found:
 		wake_up(&ctl->change_sleep);
 		spin_unlock(&ctl->read_lock);
-		snd_kill_fasync(ctl->fasync, SIGIO, POLL_IN);
+		kill_fasync(&ctl->fasync, SIGIO, POLL_IN);
 	}
 	read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
 }
@@ -1942,7 +1941,7 @@
 	struct snd_ctl_file *ctl;
 
 	ctl = file->private_data;
-	return snd_fasync_helper(fd, file, on, &ctl->fasync);
+	return fasync_helper(fd, file, on, &ctl->fasync);
 }
 
 /* return the preferred subdevice number if already assigned;
@@ -2016,7 +2015,7 @@
 	read_lock_irqsave(&card->ctl_files_rwlock, flags);
 	list_for_each_entry(ctl, &card->ctl_files, list) {
 		wake_up(&ctl->change_sleep);
-		snd_kill_fasync(ctl->fasync, SIGIO, POLL_ERR);
+		kill_fasync(&ctl->fasync, SIGIO, POLL_ERR);
 	}
 	read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
 
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 8a9baa0..ddfee8b 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -34,11 +34,8 @@
 #ifdef CONFIG_SND_JACK_INPUT_DEV
 	struct snd_jack *jack = device->device_data;
 
-	mutex_lock(&jack->input_dev_lock);
-	if (!jack->input_dev) {
-		mutex_unlock(&jack->input_dev_lock);
+	if (!jack->input_dev)
 		return 0;
-	}
 
 	/* If the input device is registered with the input subsystem
 	 * then we need to use a different deallocator. */
@@ -47,7 +44,6 @@
 	else
 		input_free_device(jack->input_dev);
 	jack->input_dev = NULL;
-	mutex_unlock(&jack->input_dev_lock);
 #endif /* CONFIG_SND_JACK_INPUT_DEV */
 	return 0;
 }
@@ -86,11 +82,8 @@
 	snprintf(jack->name, sizeof(jack->name), "%s %s",
 		 card->shortname, jack->id);
 
-	mutex_lock(&jack->input_dev_lock);
-	if (!jack->input_dev) {
-		mutex_unlock(&jack->input_dev_lock);
+	if (!jack->input_dev)
 		return 0;
-	}
 
 	jack->input_dev->name = jack->name;
 
@@ -115,7 +108,6 @@
 	if (err == 0)
 		jack->registered = 1;
 
-	mutex_unlock(&jack->input_dev_lock);
 	return err;
 }
 #endif /* CONFIG_SND_JACK_INPUT_DEV */
@@ -236,11 +228,9 @@
 		return -ENOMEM;
 	}
 
-#ifdef CONFIG_SND_JACK_INPUT_DEV
-	mutex_init(&jack->input_dev_lock);
-
-	/* don't create input device for phantom jack */
+	/* don't creat input device for phantom jack */
 	if (!phantom_jack) {
+#ifdef CONFIG_SND_JACK_INPUT_DEV
 		int i;
 
 		jack->input_dev = input_allocate_device();
@@ -258,8 +248,8 @@
 				input_set_capability(jack->input_dev, EV_SW,
 						     jack_switch_types[i]);
 
-	}
 #endif /* CONFIG_SND_JACK_INPUT_DEV */
+	}
 
 	err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops);
 	if (err < 0)
@@ -299,14 +289,10 @@
 void snd_jack_set_parent(struct snd_jack *jack, struct device *parent)
 {
 	WARN_ON(jack->registered);
-	mutex_lock(&jack->input_dev_lock);
-	if (!jack->input_dev) {
-		mutex_unlock(&jack->input_dev_lock);
+	if (!jack->input_dev)
 		return;
-	}
 
 	jack->input_dev->dev.parent = parent;
-	mutex_unlock(&jack->input_dev_lock);
 }
 EXPORT_SYMBOL(snd_jack_set_parent);
 
@@ -354,8 +340,6 @@
 
 /**
  * snd_jack_report - Report the current status of a jack
- * Note: This function uses mutexes and should be called from a
- * context which can sleep (such as a workqueue).
  *
  * @jack:   The jack to report status for
  * @status: The current status of the jack
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index be58505..0fe93b4 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -125,6 +125,8 @@
 	}
 
 	slave_config->slave_id = dma_data->slave_id;
+	slave_config->peripheral_config = dma_data->peripheral_config;
+	slave_config->peripheral_size = dma_data->peripheral_size;
 }
 EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_set_config_from_dai_data);
 
diff --git a/sound/core/pcm_iec958.c b/sound/core/pcm_iec958.c
index f9a211c..7a1b816 100644
--- a/sound/core/pcm_iec958.c
+++ b/sound/core/pcm_iec958.c
@@ -9,41 +9,85 @@
 #include <sound/pcm_params.h>
 #include <sound/pcm_iec958.h>
 
-static int create_iec958_consumer(uint rate, uint sample_width,
-				  u8 *cs, size_t len)
+/**
+ * snd_pcm_create_iec958_consumer_default - create default consumer format IEC958 channel status
+ * @cs: channel status buffer, at least four bytes
+ * @len: length of channel status buffer
+ *
+ * Create the consumer format channel status data in @cs of maximum size
+ * @len. When relevant, the configuration-dependant bits will be set as
+ * unspecified.
+ *
+ * Drivers should then call einter snd_pcm_fill_iec958_consumer() or
+ * snd_pcm_fill_iec958_consumer_hw_params() to replace these unspecified
+ * bits by their actual values.
+ *
+ * Drivers may wish to tweak the contents of the buffer after creation.
+ *
+ * Returns: length of buffer, or negative error code if something failed.
+ */
+int snd_pcm_create_iec958_consumer_default(u8 *cs, size_t len)
 {
-	unsigned int fs, ws;
-
 	if (len < 4)
 		return -EINVAL;
 
-	switch (rate) {
-	case 32000:
-		fs = IEC958_AES3_CON_FS_32000;
-		break;
-	case 44100:
-		fs = IEC958_AES3_CON_FS_44100;
-		break;
-	case 48000:
-		fs = IEC958_AES3_CON_FS_48000;
-		break;
-	case 88200:
-		fs = IEC958_AES3_CON_FS_88200;
-		break;
-	case 96000:
-		fs = IEC958_AES3_CON_FS_96000;
-		break;
-	case 176400:
-		fs = IEC958_AES3_CON_FS_176400;
-		break;
-	case 192000:
-		fs = IEC958_AES3_CON_FS_192000;
-		break;
-	default:
+	memset(cs, 0, len);
+
+	cs[0] = IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS_NONE;
+	cs[1] = IEC958_AES1_CON_GENERAL;
+	cs[2] = IEC958_AES2_CON_SOURCE_UNSPEC | IEC958_AES2_CON_CHANNEL_UNSPEC;
+	cs[3] = IEC958_AES3_CON_CLOCK_1000PPM | IEC958_AES3_CON_FS_NOTID;
+
+	if (len > 4)
+		cs[4] = IEC958_AES4_CON_WORDLEN_NOTID;
+
+	return len;
+}
+EXPORT_SYMBOL_GPL(snd_pcm_create_iec958_consumer_default);
+
+static int fill_iec958_consumer(uint rate, uint sample_width,
+				u8 *cs, size_t len)
+{
+	if (len < 4)
 		return -EINVAL;
+
+	if ((cs[3] & IEC958_AES3_CON_FS) == IEC958_AES3_CON_FS_NOTID) {
+		unsigned int fs;
+
+		switch (rate) {
+			case 32000:
+				fs = IEC958_AES3_CON_FS_32000;
+				break;
+			case 44100:
+				fs = IEC958_AES3_CON_FS_44100;
+				break;
+			case 48000:
+				fs = IEC958_AES3_CON_FS_48000;
+				break;
+			case 88200:
+				fs = IEC958_AES3_CON_FS_88200;
+				break;
+			case 96000:
+				fs = IEC958_AES3_CON_FS_96000;
+				break;
+			case 176400:
+				fs = IEC958_AES3_CON_FS_176400;
+				break;
+			case 192000:
+				fs = IEC958_AES3_CON_FS_192000;
+				break;
+			default:
+				return -EINVAL;
+		}
+
+		cs[3] &= ~IEC958_AES3_CON_FS;
+		cs[3] |= fs;
 	}
 
-	if (len > 4) {
+	if (len > 4 &&
+	    (cs[4] & IEC958_AES4_CON_WORDLEN) == IEC958_AES4_CON_WORDLEN_NOTID) {
+		unsigned int ws;
+
 		switch (sample_width) {
 		case 16:
 			ws = IEC958_AES4_CON_WORDLEN_20_16;
@@ -64,22 +108,59 @@
 		default:
 			return -EINVAL;
 		}
+
+		cs[4] &= ~IEC958_AES4_CON_WORDLEN;
+		cs[4] |= ws;
 	}
 
-	memset(cs, 0, len);
-
-	cs[0] = IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS_NONE;
-	cs[1] = IEC958_AES1_CON_GENERAL;
-	cs[2] = IEC958_AES2_CON_SOURCE_UNSPEC | IEC958_AES2_CON_CHANNEL_UNSPEC;
-	cs[3] = IEC958_AES3_CON_CLOCK_1000PPM | fs;
-
-	if (len > 4)
-		cs[4] = ws;
-
 	return len;
 }
 
 /**
+ * snd_pcm_fill_iec958_consumer - Fill consumer format IEC958 channel status
+ * @runtime: pcm runtime structure with ->rate filled in
+ * @cs: channel status buffer, at least four bytes
+ * @len: length of channel status buffer
+ *
+ * Fill the unspecified bits in an IEC958 status bits array using the
+ * parameters of the PCM runtime @runtime.
+ *
+ * Drivers may wish to tweak the contents of the buffer after its been
+ * filled.
+ *
+ * Returns: length of buffer, or negative error code if something failed.
+ */
+int snd_pcm_fill_iec958_consumer(struct snd_pcm_runtime *runtime,
+				 u8 *cs, size_t len)
+{
+	return fill_iec958_consumer(runtime->rate,
+				    snd_pcm_format_width(runtime->format),
+				    cs, len);
+}
+EXPORT_SYMBOL_GPL(snd_pcm_fill_iec958_consumer);
+
+/**
+ * snd_pcm_fill_iec958_consumer_hw_params - Fill consumer format IEC958 channel status
+ * @params: the hw_params instance for extracting rate and sample format
+ * @cs: channel status buffer, at least four bytes
+ * @len: length of channel status buffer
+ *
+ * Fill the unspecified bits in an IEC958 status bits array using the
+ * parameters of the PCM hardware parameters @params.
+ *
+ * Drivers may wish to tweak the contents of the buffer after its been
+ * filled..
+ *
+ * Returns: length of buffer, or negative error code if something failed.
+ */
+int snd_pcm_fill_iec958_consumer_hw_params(struct snd_pcm_hw_params *params,
+					   u8 *cs, size_t len)
+{
+	return fill_iec958_consumer(params_rate(params), params_width(params), cs, len);
+}
+EXPORT_SYMBOL_GPL(snd_pcm_fill_iec958_consumer_hw_params);
+
+/**
  * snd_pcm_create_iec958_consumer - create consumer format IEC958 channel status
  * @runtime: pcm runtime structure with ->rate filled in
  * @cs: channel status buffer, at least four bytes
@@ -95,9 +176,13 @@
 int snd_pcm_create_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
 	size_t len)
 {
-	return create_iec958_consumer(runtime->rate,
-				      snd_pcm_format_width(runtime->format),
-				      cs, len);
+	int ret;
+
+	ret = snd_pcm_create_iec958_consumer_default(cs, len);
+	if (ret < 0)
+		return ret;
+
+	return snd_pcm_fill_iec958_consumer(runtime, cs, len);
 }
 EXPORT_SYMBOL(snd_pcm_create_iec958_consumer);
 
@@ -117,7 +202,12 @@
 int snd_pcm_create_iec958_consumer_hw_params(struct snd_pcm_hw_params *params,
 					     u8 *cs, size_t len)
 {
-	return create_iec958_consumer(params_rate(params), params_width(params),
-				      cs, len);
+	int ret;
+
+	ret = snd_pcm_create_iec958_consumer_default(cs, len);
+	if (ret < 0)
+		return ret;
+
+	return fill_iec958_consumer(params_rate(params), params_width(params), cs, len);
 }
 EXPORT_SYMBOL(snd_pcm_create_iec958_consumer_hw_params);
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 289f52a..f5391797f 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1871,9 +1871,11 @@
 		if (avail >= runtime->twake)
 			break;
 		snd_pcm_stream_unlock_irq(substream);
+		mutex_unlock(&runtime->buffer_mutex);
 
 		tout = schedule_timeout(wait_time);
 
+		mutex_lock(&runtime->buffer_mutex);
 		snd_pcm_stream_lock_irq(substream);
 		set_current_state(TASK_INTERRUPTIBLE);
 		switch (runtime->status->state) {
@@ -2167,6 +2169,7 @@
 
 	nonblock = !!(substream->f_flags & O_NONBLOCK);
 
+	mutex_lock(&runtime->buffer_mutex);
 	snd_pcm_stream_lock_irq(substream);
 	err = pcm_accessible_state(runtime);
 	if (err < 0)
@@ -2259,6 +2262,7 @@
 	if (xfer > 0 && err >= 0)
 		snd_pcm_update_state(substream, runtime);
 	snd_pcm_stream_unlock_irq(substream);
+	mutex_unlock(&runtime->buffer_mutex);
 	return xfer > 0 ? (snd_pcm_sframes_t)xfer : err;
 }
 EXPORT_SYMBOL(__snd_pcm_lib_xfer);
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 9425fcd..704f314 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -695,7 +695,7 @@
 			     struct snd_pcm_hw_params *params)
 {
 	struct snd_pcm_runtime *runtime;
-	int err, usecs;
+	int err = 0, usecs;
 	unsigned int bits;
 	snd_pcm_uframes_t frames;
 
diff --git a/sound/soc/codecs/hdac_hda.c b/sound/soc/codecs/hdac_hda.c
index de5955d..390dd6c 100644
--- a/sound/soc/codecs/hdac_hda.c
+++ b/sound/soc/codecs/hdac_hda.c
@@ -46,8 +46,9 @@
 				  struct snd_soc_dai *dai);
 static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai);
-static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai, void *stream,
-				   int direction);
+static int hdac_hda_dai_set_tdm_slot(struct snd_soc_dai *dai,
+				     unsigned int tx_mask, unsigned int rx_mask,
+				     int slots, int slot_width);
 static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
 						 struct snd_soc_dai *dai);
 
@@ -57,7 +58,7 @@
 	.prepare = hdac_hda_dai_prepare,
 	.hw_params = hdac_hda_dai_hw_params,
 	.hw_free = hdac_hda_dai_hw_free,
-	.set_stream = hdac_hda_dai_set_stream,
+	.set_tdm_slot = hdac_hda_dai_set_tdm_slot,
 };
 
 static struct snd_soc_dai_driver hdac_hda_dais[] = {
@@ -179,22 +180,21 @@
 
 };
 
-static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai,
-				   void *stream, int direction)
+static int hdac_hda_dai_set_tdm_slot(struct snd_soc_dai *dai,
+				     unsigned int tx_mask, unsigned int rx_mask,
+				     int slots, int slot_width)
 {
 	struct snd_soc_component *component = dai->component;
 	struct hdac_hda_priv *hda_pvt;
 	struct hdac_hda_pcm *pcm;
-	struct hdac_stream *hstream;
-
-	if (!stream)
-		return -EINVAL;
 
 	hda_pvt = snd_soc_component_get_drvdata(component);
 	pcm = &hda_pvt->pcm[dai->id];
-	hstream = (struct hdac_stream *)stream;
 
-	pcm->stream_tag[direction] = hstream->stream_tag;
+	if (tx_mask)
+		pcm->stream_tag[SNDRV_PCM_STREAM_PLAYBACK] = tx_mask;
+	else
+		pcm->stream_tag[SNDRV_PCM_STREAM_CAPTURE] = rx_mask;
 
 	return 0;
 }
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index 6de3e47..2c1305b 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -436,28 +436,23 @@
 	return 0;
 }
 
-static int hdac_hdmi_set_stream(struct snd_soc_dai *dai,
-				void *stream, int direction)
+static int hdac_hdmi_set_tdm_slot(struct snd_soc_dai *dai,
+		unsigned int tx_mask, unsigned int rx_mask,
+		int slots, int slot_width)
 {
 	struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
 	struct hdac_device *hdev = hdmi->hdev;
 	struct hdac_hdmi_dai_port_map *dai_map;
 	struct hdac_hdmi_pcm *pcm;
-	struct hdac_stream *hstream;
 
-	if (!stream)
-		return -EINVAL;
-
-	hstream = (struct hdac_stream *)stream;
-
-	dev_dbg(&hdev->dev, "%s: strm_tag: %d\n", __func__, hstream->stream_tag);
+	dev_dbg(&hdev->dev, "%s: strm_tag: %d\n", __func__, tx_mask);
 
 	dai_map = &hdmi->dai_map[dai->id];
 
 	pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
 
 	if (pcm)
-		pcm->stream_tag = (hstream->stream_tag << 4);
+		pcm->stream_tag = (tx_mask << 4);
 
 	return 0;
 }
@@ -1549,7 +1544,7 @@
 	.startup = hdac_hdmi_pcm_open,
 	.shutdown = hdac_hdmi_pcm_close,
 	.hw_params = hdac_hdmi_set_hw_params,
-	.set_stream = hdac_hdmi_set_stream,
+	.set_tdm_slot = hdac_hdmi_set_tdm_slot,
 };
 
 /*
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 403d4c6..d0fb04a 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -22,7 +22,6 @@
 
 struct hdmi_codec_channel_map_table {
 	unsigned char map;	/* ALSA API channel map position */
-	unsigned long spk_mask;		/* speaker position bit mask */
 };
 
 /*
@@ -278,10 +277,12 @@
 	bool busy;
 	struct snd_soc_jack *jack;
 	unsigned int jack_status;
+	u8 iec_status[5];
 };
 
 static const struct snd_soc_dapm_widget hdmi_widgets[] = {
 	SND_SOC_DAPM_OUTPUT("TX"),
+	SND_SOC_DAPM_OUTPUT("RX"),
 };
 
 enum {
@@ -385,10 +386,52 @@
 	return 0;
 }
 
+static int hdmi_codec_iec958_info(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+	uinfo->count = 1;
+	return 0;
+}
+
+static int hdmi_codec_iec958_default_get(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+	struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component);
+
+	memcpy(ucontrol->value.iec958.status, hcp->iec_status,
+	       sizeof(hcp->iec_status));
+
+	return 0;
+}
+
+static int hdmi_codec_iec958_default_put(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+	struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component);
+
+	memcpy(hcp->iec_status, ucontrol->value.iec958.status,
+	       sizeof(hcp->iec_status));
+
+	return 0;
+}
+
+static int hdmi_codec_iec958_mask_get(struct snd_kcontrol *kcontrol,
+				      struct snd_ctl_elem_value *ucontrol)
+{
+	memset(ucontrol->value.iec958.status, 0xff,
+	       sizeof_field(struct hdmi_codec_priv, iec_status));
+
+	return 0;
+}
+
 static int hdmi_codec_startup(struct snd_pcm_substream *substream,
 			      struct snd_soc_dai *dai)
 {
 	struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
+	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
 	int ret = 0;
 
 	mutex_lock(&hcp->lock);
@@ -404,7 +447,7 @@
 			goto err;
 	}
 
-	if (hcp->hcd.ops->get_eld) {
+	if (tx && hcp->hcd.ops->get_eld) {
 		ret = hcp->hcd.ops->get_eld(dai->dev->parent, hcp->hcd.data,
 					    hcp->eld, sizeof(hcp->eld));
 		if (ret)
@@ -438,6 +481,42 @@
 	mutex_unlock(&hcp->lock);
 }
 
+static int hdmi_codec_fill_codec_params(struct snd_soc_dai *dai,
+					unsigned int sample_width,
+					unsigned int sample_rate,
+					unsigned int channels,
+					struct hdmi_codec_params *hp)
+{
+	struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
+	int idx;
+
+	/* Select a channel allocation that matches with ELD and pcm channels */
+	idx = hdmi_codec_get_ch_alloc_table_idx(hcp, channels);
+	if (idx < 0) {
+		dev_err(dai->dev, "Not able to map channels to speakers (%d)\n",
+			idx);
+		hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
+		return idx;
+	}
+
+	memset(hp, 0, sizeof(*hp));
+
+	hdmi_audio_infoframe_init(&hp->cea);
+	hp->cea.channels = channels;
+	hp->cea.coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
+	hp->cea.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
+	hp->cea.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
+	hp->cea.channel_allocation = hdmi_codec_channel_alloc[idx].ca_id;
+
+	hp->sample_width = sample_width;
+	hp->sample_rate = sample_rate;
+	hp->channels = channels;
+
+	hcp->chmap_idx = hdmi_codec_channel_alloc[idx].ca_id;
+
+	return 0;
+}
+
 static int hdmi_codec_hw_params(struct snd_pcm_substream *substream,
 				struct snd_pcm_hw_params *params,
 				struct snd_soc_dai *dai)
@@ -452,45 +531,73 @@
 			.dig_subframe = { 0 },
 		}
 	};
-	int ret, idx;
+	int ret;
+
+	if (!hcp->hcd.ops->hw_params)
+		return 0;
 
 	dev_dbg(dai->dev, "%s() width %d rate %d channels %d\n", __func__,
 		params_width(params), params_rate(params),
 		params_channels(params));
 
-	ret = snd_pcm_create_iec958_consumer_hw_params(params, hp.iec.status,
-						       sizeof(hp.iec.status));
+	ret = hdmi_codec_fill_codec_params(dai,
+					   params_width(params),
+					   params_rate(params),
+					   params_channels(params),
+					   &hp);
+	if (ret < 0)
+		return ret;
+
+	memcpy(hp.iec.status, hcp->iec_status, sizeof(hp.iec.status));
+	ret = snd_pcm_fill_iec958_consumer_hw_params(params, hp.iec.status,
+						     sizeof(hp.iec.status));
 	if (ret < 0) {
 		dev_err(dai->dev, "Creating IEC958 channel status failed %d\n",
 			ret);
 		return ret;
 	}
 
-	hdmi_audio_infoframe_init(&hp.cea);
-	hp.cea.channels = params_channels(params);
-	hp.cea.coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
-	hp.cea.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
-	hp.cea.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
-
-	/* Select a channel allocation that matches with ELD and pcm channels */
-	idx = hdmi_codec_get_ch_alloc_table_idx(hcp, hp.cea.channels);
-	if (idx < 0) {
-		dev_err(dai->dev, "Not able to map channels to speakers (%d)\n",
-			idx);
-		hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
-		return idx;
-	}
-	hp.cea.channel_allocation = hdmi_codec_channel_alloc[idx].ca_id;
-	hcp->chmap_idx = hdmi_codec_channel_alloc[idx].ca_id;
-
-	hp.sample_width = params_width(params);
-	hp.sample_rate = params_rate(params);
-	hp.channels = params_channels(params);
-
+	cf->bit_fmt = params_format(params);
 	return hcp->hcd.ops->hw_params(dai->dev->parent, hcp->hcd.data,
 				       cf, &hp);
 }
 
+static int hdmi_codec_prepare(struct snd_pcm_substream *substream,
+			      struct snd_soc_dai *dai)
+{
+	struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
+	struct hdmi_codec_daifmt *cf = dai->playback_dma_data;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	unsigned int channels = runtime->channels;
+	unsigned int width = snd_pcm_format_width(runtime->format);
+	unsigned int rate = runtime->rate;
+	struct hdmi_codec_params hp;
+	int ret;
+
+	if (!hcp->hcd.ops->prepare)
+		return 0;
+
+	dev_dbg(dai->dev, "%s() width %d rate %d channels %d\n", __func__,
+		width, rate, channels);
+
+	ret = hdmi_codec_fill_codec_params(dai, width, rate, channels, &hp);
+	if (ret < 0)
+		return ret;
+
+	memcpy(hp.iec.status, hcp->iec_status, sizeof(hp.iec.status));
+	ret = snd_pcm_fill_iec958_consumer(runtime, hp.iec.status,
+					   sizeof(hp.iec.status));
+	if (ret < 0) {
+		dev_err(dai->dev, "Creating IEC958 channel status failed %d\n",
+			ret);
+		return ret;
+	}
+
+	cf->bit_fmt = runtime->format;
+	return hcp->hcd.ops->prepare(dai->dev->parent, hcp->hcd.data,
+				     cf, &hp);
+}
+
 static int hdmi_codec_i2s_set_fmt(struct snd_soc_dai *dai,
 				  unsigned int fmt)
 {
@@ -582,6 +689,7 @@
 	.startup	= hdmi_codec_startup,
 	.shutdown	= hdmi_codec_shutdown,
 	.hw_params	= hdmi_codec_hw_params,
+	.prepare	= hdmi_codec_prepare,
 	.set_fmt	= hdmi_codec_i2s_set_fmt,
 	.mute_stream	= hdmi_codec_mute,
 };
@@ -615,23 +723,40 @@
 			 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE |\
 			 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |\
 			 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\
-			 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE)
+			 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
+			 SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
+
+static struct snd_kcontrol_new hdmi_codec_controls[] = {
+	{
+		.access = SNDRV_CTL_ELEM_ACCESS_READ,
+		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
+		.info = hdmi_codec_iec958_info,
+		.get = hdmi_codec_iec958_mask_get,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
+		.info = hdmi_codec_iec958_info,
+		.get = hdmi_codec_iec958_default_get,
+		.put = hdmi_codec_iec958_default_put,
+	},
+	{
+		.access	= (SNDRV_CTL_ELEM_ACCESS_READ |
+			   SNDRV_CTL_ELEM_ACCESS_VOLATILE),
+		.iface	= SNDRV_CTL_ELEM_IFACE_PCM,
+		.name	= "ELD",
+		.info	= hdmi_eld_ctl_info,
+		.get	= hdmi_eld_ctl_get,
+	},
+};
 
 static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd,
 			      struct snd_soc_dai *dai)
 {
 	struct snd_soc_dai_driver *drv = dai->driver;
 	struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
-	struct snd_kcontrol *kctl;
-	struct snd_kcontrol_new hdmi_eld_ctl = {
-		.access	= SNDRV_CTL_ELEM_ACCESS_READ |
-			  SNDRV_CTL_ELEM_ACCESS_VOLATILE,
-		.iface	= SNDRV_CTL_ELEM_IFACE_PCM,
-		.name	= "ELD",
-		.info	= hdmi_eld_ctl_info,
-		.get	= hdmi_eld_ctl_get,
-		.device	= rtd->pcm->device,
-	};
+	unsigned int i;
 	int ret;
 
 	ret =  snd_pcm_add_chmap_ctls(rtd->pcm, SNDRV_PCM_STREAM_PLAYBACK,
@@ -648,26 +773,41 @@
 	hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps;
 	hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
 
-	/* add ELD ctl with the device number corresponding to the PCM stream */
-	kctl = snd_ctl_new1(&hdmi_eld_ctl, dai->component);
-	if (!kctl)
-		return -ENOMEM;
+	for (i = 0; i < ARRAY_SIZE(hdmi_codec_controls); i++) {
+		struct snd_kcontrol *kctl;
 
-	return snd_ctl_add(rtd->card->snd_card, kctl);
+		/* add ELD ctl with the device number corresponding to the PCM stream */
+		kctl = snd_ctl_new1(&hdmi_codec_controls[i], dai->component);
+		if (!kctl)
+			return -ENOMEM;
+
+		kctl->id.device = rtd->pcm->device;
+		ret = snd_ctl_add(rtd->card->snd_card, kctl);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
 }
 
 static int hdmi_dai_probe(struct snd_soc_dai *dai)
 {
 	struct snd_soc_dapm_context *dapm;
 	struct hdmi_codec_daifmt *daifmt;
-	struct snd_soc_dapm_route route = {
-		.sink = "TX",
-		.source = dai->driver->playback.stream_name,
+	struct snd_soc_dapm_route route[] = {
+		{
+			.sink = "TX",
+			.source = dai->driver->playback.stream_name,
+		},
+		{
+			.sink = dai->driver->capture.stream_name,
+			.source = "RX",
+		},
 	};
 	int ret;
 
 	dapm = snd_soc_component_get_dapm(dai->component);
-	ret = snd_soc_dapm_add_routes(dapm, &route, 1);
+	ret = snd_soc_dapm_add_routes(dapm, route, 2);
 	if (ret)
 		return ret;
 
@@ -692,10 +832,16 @@
 {
 	struct hdmi_codec_priv *hcp = dev_get_drvdata(dev);
 
-	if (plugged)
+	if (plugged) {
+		if (hcp->hcd.ops->get_eld) {
+			hcp->hcd.ops->get_eld(dev->parent, hcp->hcd.data,
+					    hcp->eld, sizeof(hcp->eld));
+		}
 		hdmi_codec_jack_report(hcp, SND_JACK_LINEOUT);
-	else
+	} else {
 		hdmi_codec_jack_report(hcp, 0);
+		memset(hcp->eld, 0, sizeof(hcp->eld));
+	}
 }
 
 static int hdmi_codec_set_jack(struct snd_soc_component *component,
@@ -703,7 +849,7 @@
 			       void *data)
 {
 	struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component);
-	int ret = -EOPNOTSUPP;
+	int ret = -ENOTSUPP;
 
 	if (hcp->hcd.ops->hook_plugged_cb) {
 		hcp->jack = jack;
@@ -719,7 +865,7 @@
 
 static int hdmi_dai_spdif_probe(struct snd_soc_dai *dai)
 {
-	struct hdmi_codec_daifmt *cf = dai->playback_dma_data;
+	struct hdmi_codec_daifmt *cf;
 	int ret;
 
 	ret = hdmi_dai_probe(dai);
@@ -751,6 +897,14 @@
 		.formats = I2S_FORMATS,
 		.sig_bits = 24,
 	},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 2,
+		.channels_max = 8,
+		.rates = HDMI_RATES,
+		.formats = I2S_FORMATS,
+		.sig_bits = 24,
+	},
 	.ops = &hdmi_codec_i2s_dai_ops,
 	.pcm_new = hdmi_codec_pcm_new,
 };
@@ -767,6 +921,13 @@
 		.rates = HDMI_RATES,
 		.formats = SPDIF_FORMATS,
 	},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = HDMI_RATES,
+		.formats = SPDIF_FORMATS,
+	},
 	.ops = &hdmi_codec_spdif_dai_ops,
 	.pcm_new = hdmi_codec_pcm_new,
 };
@@ -819,7 +980,8 @@
 	}
 
 	dai_count = hcd->i2s + hcd->spdif;
-	if (dai_count < 1 || !hcd->ops || !hcd->ops->hw_params ||
+	if (dai_count < 1 || !hcd->ops ||
+	    (!hcd->ops->hw_params && !hcd->ops->prepare) ||
 	    !hcd->ops->audio_shutdown) {
 		dev_err(dev, "%s: Invalid parameters\n", __func__);
 		return -EINVAL;
@@ -832,6 +994,11 @@
 	hcp->hcd = *hcd;
 	mutex_init(&hcp->lock);
 
+	ret = snd_pcm_create_iec958_consumer_default(hcp->iec_status,
+						     sizeof(hcp->iec_status));
+	if (ret < 0)
+		return ret;
+
 	daidrv = devm_kcalloc(dev, dai_count, sizeof(*daidrv), GFP_KERNEL);
 	if (!daidrv)
 		return -ENOMEM;
diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c
index a2bb93f..39afa01 100644
--- a/sound/soc/codecs/max98373-sdw.c
+++ b/sound/soc/codecs/max98373-sdw.c
@@ -728,7 +728,7 @@
 static const struct snd_soc_dai_ops max98373_dai_sdw_ops = {
 	.hw_params = max98373_sdw_dai_hw_params,
 	.hw_free = max98373_pcm_hw_free,
-	.set_stream = max98373_set_sdw_stream,
+	.set_sdw_stream = max98373_set_sdw_stream,
 	.shutdown = max98373_shutdown,
 	.set_tdm_slot = max98373_sdw_set_tdm_slot,
 };
diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c
index a13296e..31daa74 100644
--- a/sound/soc/codecs/rt1308-sdw.c
+++ b/sound/soc/codecs/rt1308-sdw.c
@@ -613,7 +613,7 @@
 static const struct snd_soc_dai_ops rt1308_aif_dai_ops = {
 	.hw_params = rt1308_sdw_hw_params,
 	.hw_free	= rt1308_sdw_pcm_hw_free,
-	.set_stream	= rt1308_set_sdw_stream,
+	.set_sdw_stream	= rt1308_set_sdw_stream,
 	.shutdown	= rt1308_sdw_shutdown,
 	.set_tdm_slot	= rt1308_sdw_set_tdm_slot,
 };
diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index 1e9109a..b0a35e3 100644
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -272,7 +272,7 @@
 static struct snd_soc_dai_ops rt5682_sdw_ops = {
 	.hw_params	= rt5682_sdw_hw_params,
 	.hw_free	= rt5682_sdw_hw_free,
-	.set_stream	= rt5682_set_sdw_stream,
+	.set_sdw_stream	= rt5682_set_sdw_stream,
 	.shutdown	= rt5682_sdw_shutdown,
 };
 
diff --git a/sound/soc/codecs/rt700.c b/sound/soc/codecs/rt700.c
index 80acf0d..687ac21 100644
--- a/sound/soc/codecs/rt700.c
+++ b/sound/soc/codecs/rt700.c
@@ -1005,7 +1005,7 @@
 static struct snd_soc_dai_ops rt700_ops = {
 	.hw_params	= rt700_pcm_hw_params,
 	.hw_free	= rt700_pcm_hw_free,
-	.set_stream	= rt700_set_sdw_stream,
+	.set_sdw_stream	= rt700_set_sdw_stream,
 	.shutdown	= rt700_shutdown,
 };
 
diff --git a/sound/soc/codecs/rt711.c b/sound/soc/codecs/rt711.c
index 0e343ad..abc480d 100644
--- a/sound/soc/codecs/rt711.c
+++ b/sound/soc/codecs/rt711.c
@@ -1089,7 +1089,7 @@
 static struct snd_soc_dai_ops rt711_ops = {
 	.hw_params	= rt711_pcm_hw_params,
 	.hw_free	= rt711_pcm_hw_free,
-	.set_stream	= rt711_set_sdw_stream,
+	.set_sdw_stream	= rt711_set_sdw_stream,
 	.shutdown	= rt711_shutdown,
 };
 
diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c
index 22bdccf..532c530 100644
--- a/sound/soc/codecs/rt715.c
+++ b/sound/soc/codecs/rt715.c
@@ -686,7 +686,7 @@
 static struct snd_soc_dai_ops rt715_ops = {
 	.hw_params	= rt715_pcm_hw_params,
 	.hw_free	= rt715_pcm_hw_free,
-	.set_stream	= rt715_set_sdw_stream,
+	.set_sdw_stream	= rt715_set_sdw_stream,
 	.shutdown	= rt715_shutdown,
 };
 
diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c
index 9f66f6d..ce1f910 100644
--- a/sound/soc/codecs/wsa881x.c
+++ b/sound/soc/codecs/wsa881x.c
@@ -1025,7 +1025,7 @@
 	.hw_params = wsa881x_hw_params,
 	.hw_free = wsa881x_hw_free,
 	.mute_stream = wsa881x_digital_mute,
-	.set_stream = wsa881x_set_sdw_stream,
+	.set_sdw_stream = wsa881x_set_sdw_stream,
 };
 
 static struct snd_soc_dai_driver wsa881x_dais[] = {
diff --git a/sound/soc/hisilicon/Kconfig b/sound/soc/hisilicon/Kconfig
index df8fbd8..93f0f28 100644
--- a/sound/soc/hisilicon/Kconfig
+++ b/sound/soc/hisilicon/Kconfig
@@ -1,6 +1,12 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config SND_I2S_HI6210_I2S
-	tristate "Hisilicon I2S controller"
+	tristate "Hisilicon Hi6210 I2S controller"
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	help
+	  Hisilicon I2S
+
+config SND_I2S_HI3660_I2S
+	tristate "Hisilicon 960 I2S controller"
 	select SND_SOC_GENERIC_DMAENGINE_PCM
 	help
 	  Hisilicon I2S
diff --git a/sound/soc/hisilicon/Makefile b/sound/soc/hisilicon/Makefile
index 02e7663..7ca808c 100644
--- a/sound/soc/hisilicon/Makefile
+++ b/sound/soc/hisilicon/Makefile
@@ -1,2 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SND_I2S_HI6210_I2S) += hi6210-i2s.o
+obj-$(CONFIG_SND_I2S_HI3660_I2S) += hi3660-i2s.o
diff --git a/sound/soc/hisilicon/hi3660-i2s.c b/sound/soc/hisilicon/hi3660-i2s.c
new file mode 100644
index 0000000..b894007
--- /dev/null
+++ b/sound/soc/hisilicon/hi3660-i2s.c
@@ -0,0 +1,448 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * linux/sound/soc/hisilicon/hi3660-i2s.c
+ *
+ * I2S IP driver for hi3660.
+ *
+ * Copyright (c) 2001-2021, Huawei Tech. Co., Ltd.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/jiffies.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/dmaengine_pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <linux/interrupt.h>
+#include <linux/reset.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/reset-controller.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include "hi3660-i2s.h"
+
+struct hi3660_i2s {
+	struct device *dev;
+	struct reset_control *rc;
+	int clocks;
+	struct regulator *regu_asp;
+	struct pinctrl *pctrl;
+	struct pinctrl_state *pin_default;
+	struct pinctrl_state *pin_idle;
+	struct clk *asp_subsys_clk;
+	struct snd_soc_dai_driver dai;
+	void __iomem *base;
+	void __iomem *base_syscon;
+	phys_addr_t base_phys;
+	struct snd_dmaengine_dai_dma_data dma_data[2];
+	spinlock_t lock;
+	int rate;
+	int format;
+	int bits;
+	int channels;
+	u32 master;
+	u32 status;
+};
+
+static void update_bits(struct hi3660_i2s *i2s, u32 ofs, u32 reset, u32 set)
+{
+	u32 val = readl(i2s->base + ofs) & ~reset;
+
+	writel(val | set, i2s->base + ofs);
+}
+
+static void update_bits_syscon(struct hi3660_i2s *i2s,
+			u32 ofs, u32 reset, u32 set)
+{
+	u32 val = readl(i2s->base_syscon + ofs) & ~reset;
+
+	writel(val | set, i2s->base_syscon + ofs);
+}
+
+static int enable_format(struct hi3660_i2s *i2s,
+			       struct snd_pcm_substream *substream)
+{
+	switch (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		i2s->master = false;
+		update_bits_syscon(i2s, HI_ASP_CFG_R_CLK_SEL_REG,
+				0, HI_ASP_CFG_R_CLK_SEL_EN);
+		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		i2s->master = true;
+		update_bits_syscon(i2s, HI_ASP_CFG_R_CLK_SEL_REG,
+				HI_ASP_CFG_R_CLK_SEL_EN, 0);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int startup(struct snd_pcm_substream *substream,
+		     struct snd_soc_dai *cpu_dai)
+{
+	struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+	/* deassert reset on sio_bt*/
+	update_bits_syscon(i2s, HI_ASP_CFG_R_RST_CTRLDIS_REG,
+			0, BIT(2)|BIT(6)|BIT(8)|BIT(16));
+
+	/* enable clk before frequency division */
+	update_bits_syscon(i2s, HI_ASP_CFG_R_GATE_EN_REG,
+			0, BIT(5)|BIT(6));
+
+	/* enable frequency division */
+	update_bits_syscon(i2s, HI_ASP_CFG_R_GATE_CLKDIV_EN_REG,
+			0, BIT(2)|BIT(5));
+
+	/* select clk */
+	update_bits_syscon(i2s, HI_ASP_CFG_R_CLK_SEL_REG,
+			HI_ASP_MASK, HI_ASP_CFG_R_CLK_SEL);
+
+	/* select clk_div */
+	update_bits_syscon(i2s, HI_ASP_CFG_R_CLK1_DIV_REG,
+			HI_ASP_MASK, HI_ASP_CFG_R_CLK1_DIV_SEL);
+	update_bits_syscon(i2s, HI_ASP_CFG_R_CLK4_DIV_REG,
+			HI_ASP_MASK, HI_ASP_CFG_R_CLK4_DIV_SEL);
+	update_bits_syscon(i2s, HI_ASP_CFG_R_CLK6_DIV_REG,
+			HI_ASP_MASK, HI_ASP_CFG_R_CLK6_DIV_SEL);
+
+	/* sio config */
+	update_bits(i2s, HI_ASP_SIO_MODE_REG, HI_ASP_MASK, 0x0);
+	update_bits(i2s, HI_ASP_SIO_DATA_WIDTH_SET_REG, HI_ASP_MASK, 0x9);
+	update_bits(i2s, HI_ASP_SIO_I2S_POS_MERGE_EN_REG, HI_ASP_MASK, 0x1);
+	update_bits(i2s, HI_ASP_SIO_I2S_START_POS_REG, HI_ASP_MASK, 0x0);
+
+	return 0;
+}
+
+static void shutdown(struct snd_pcm_substream *substream,
+		       struct snd_soc_dai *cpu_dai)
+{
+	struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+	if (!IS_ERR_OR_NULL(i2s->asp_subsys_clk))
+		clk_disable_unprepare(i2s->asp_subsys_clk);
+}
+
+static void txctrl(struct snd_soc_dai *cpu_dai, int on)
+{
+	struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+	spin_lock(&i2s->lock);
+
+	if (on) {
+		/* enable SIO TX */
+		update_bits(i2s, HI_ASP_SIO_CT_SET_REG, 0,
+			HI_ASP_SIO_TX_ENABLE |
+			HI_ASP_SIO_TX_DATA_MERGE |
+			HI_ASP_SIO_TX_FIFO_THRESHOLD |
+			HI_ASP_SIO_RX_ENABLE |
+			HI_ASP_SIO_RX_DATA_MERGE |
+			HI_ASP_SIO_RX_FIFO_THRESHOLD);
+	} else {
+		/* disable SIO TX */
+		update_bits(i2s, HI_ASP_SIO_CT_CLR_REG, 0,
+			HI_ASP_SIO_TX_ENABLE | HI_ASP_SIO_RX_ENABLE);
+	}
+	spin_unlock(&i2s->lock);
+}
+
+static void rxctrl(struct snd_soc_dai *cpu_dai, int on)
+{
+	struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+	spin_lock(&i2s->lock);
+	if (on)
+		/* enable SIO RX */
+		update_bits(i2s, HI_ASP_SIO_CT_SET_REG, 0,
+			HI_ASP_SIO_TX_ENABLE |
+			HI_ASP_SIO_TX_DATA_MERGE |
+			HI_ASP_SIO_TX_FIFO_THRESHOLD |
+			HI_ASP_SIO_RX_ENABLE |
+			HI_ASP_SIO_RX_DATA_MERGE |
+			HI_ASP_SIO_RX_FIFO_THRESHOLD);
+	else
+		/* disable SIO RX */
+		update_bits(i2s, HI_ASP_SIO_CT_CLR_REG, 0,
+			HI_ASP_SIO_TX_ENABLE | HI_ASP_SIO_RX_ENABLE);
+	spin_unlock(&i2s->lock);
+}
+
+static int set_sysclk(struct snd_soc_dai *cpu_dai,
+			     int clk_id, unsigned int freq, int dir)
+{
+	return 0;
+}
+
+static int set_format(struct snd_soc_dai *cpu_dai, unsigned int fmt)
+{
+	struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+	i2s->format = fmt;
+	i2s->master = (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) ==
+		      SND_SOC_DAIFMT_CBS_CFS;
+
+	return 0;
+}
+
+static int hw_params(struct snd_pcm_substream *substream,
+			    struct snd_pcm_hw_params *params,
+			    struct snd_soc_dai *cpu_dai)
+{
+	struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+	struct snd_dmaengine_dai_dma_data *dma_data;
+
+	dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream);
+
+	enable_format(i2s, substream);
+
+	dma_data->maxburst = 4;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dma_data->addr = i2s->base_phys +
+			HI_ASP_SIO_I2S_DUAL_TX_CHN_REG;
+	else
+		dma_data->addr = i2s->base_phys +
+			HI_ASP_SIO_I2S_DUAL_RX_CHN_REG;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_U16_LE:
+	case SNDRV_PCM_FORMAT_S16_LE:
+		i2s->bits = 16;
+		dma_data->addr_width = 4;
+		break;
+
+	case SNDRV_PCM_FORMAT_U24_LE:
+	case SNDRV_PCM_FORMAT_S24_LE:
+		i2s->bits = 32;
+		dma_data->addr_width = 4;
+		break;
+	default:
+		dev_err(cpu_dai->dev, "Bad format\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int trigger(struct snd_pcm_substream *substream, int cmd,
+			  struct snd_soc_dai *cpu_dai)
+{
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+			rxctrl(cpu_dai, 1);
+		else
+			txctrl(cpu_dai, 1);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+			rxctrl(cpu_dai, 0);
+		else
+			txctrl(cpu_dai, 0);
+		break;
+	default:
+		dev_err(cpu_dai->dev, "unknown cmd\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int dai_probe(struct snd_soc_dai *dai)
+{
+	struct hi3660_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+	snd_soc_dai_init_dma_data(dai,
+		&i2s->dma_data[SNDRV_PCM_STREAM_PLAYBACK],
+		&i2s->dma_data[SNDRV_PCM_STREAM_CAPTURE]);
+
+	return 0;
+}
+
+
+static struct snd_soc_dai_ops dai_ops = {
+	.trigger	= trigger,
+	.hw_params	= hw_params,
+	.set_fmt	= set_format,
+	.set_sysclk	= set_sysclk,
+	.startup	= startup,
+	.shutdown	= shutdown,
+};
+
+static struct snd_soc_dai_driver dai_init = {
+	.name = "hi3660_i2s",
+	.probe = dai_probe,
+	.playback = {
+		.channels_min = 2,
+		.channels_max = 2,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE |
+			   SNDRV_PCM_FMTBIT_U16_LE,
+		.rates = SNDRV_PCM_RATE_48000,
+	},
+	.capture = {
+		.channels_min = 2,
+		.channels_max = 2,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE |
+			   SNDRV_PCM_FMTBIT_U16_LE,
+		.rates = SNDRV_PCM_RATE_48000,
+	},
+	.ops = &dai_ops,
+};
+
+static const struct snd_soc_component_driver component_driver = {
+	.name = "hi3660_i2s",
+};
+
+#include <sound/dmaengine_pcm.h>
+
+static const struct snd_pcm_hardware sound_hardware = {
+	.info = SNDRV_PCM_INFO_MMAP |
+		SNDRV_PCM_INFO_MMAP_VALID |
+		SNDRV_PCM_INFO_PAUSE |
+		SNDRV_PCM_INFO_RESUME |
+		SNDRV_PCM_INFO_INTERLEAVED |
+		SNDRV_PCM_INFO_HALF_DUPLEX,
+	.period_bytes_min = 4096,
+	.period_bytes_max = 4096,
+	.periods_min = 4,
+	.periods_max = UINT_MAX,
+	.buffer_bytes_max = SIZE_MAX,
+};
+
+static const struct snd_dmaengine_pcm_config dmaengine_pcm_config = {
+	.pcm_hardware = &sound_hardware,
+	.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
+	.prealloc_buffer_size = 64 * 1024,
+};
+
+static int hi3660_i2s_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct hi3660_i2s *i2s;
+	struct resource *res;
+	int ret;
+
+	i2s = devm_kzalloc(dev, sizeof(*i2s), GFP_KERNEL);
+	if (!i2s)
+		return -ENOMEM;
+
+	i2s->dev = dev;
+	spin_lock_init(&i2s->lock);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		ret = -ENODEV;
+		return ret;
+	}
+	i2s->base_phys = (phys_addr_t)res->start;
+
+	i2s->dai = dai_init;
+	dev_set_drvdata(&pdev->dev, i2s);
+
+	i2s->base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(i2s->base)) {
+		dev_err(&pdev->dev, "ioremap failed\n");
+		ret = PTR_ERR(i2s->base);
+		return ret;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (!res) {
+		ret = -ENODEV;
+		return ret;
+	}
+	i2s->base_syscon = devm_ioremap(dev, res->start, resource_size(res));
+	if (IS_ERR(i2s->base_syscon)) {
+		dev_err(&pdev->dev, "ioremap failed\n");
+		ret = PTR_ERR(i2s->base_syscon);
+		return ret;
+	}
+
+	/* i2s iomux config */
+	i2s->pctrl = devm_pinctrl_get(dev);
+	if (IS_ERR(i2s->pctrl)) {
+		dev_err(dev, "could not get pinctrl\n");
+		ret = -EIO;
+		return ret;
+	}
+
+	i2s->pin_default = pinctrl_lookup_state(i2s->pctrl,
+					PINCTRL_STATE_DEFAULT);
+	if (IS_ERR(i2s->pin_default)) {
+		dev_err(dev,
+			"could not get default state (%li)\n",
+			PTR_ERR(i2s->pin_default));
+		ret = -EIO;
+		return ret;
+	}
+
+	if (pinctrl_select_state(i2s->pctrl, i2s->pin_default)) {
+		dev_err(dev, "could not set pins to default state\n");
+		ret = -EIO;
+		return ret;
+	}
+
+	ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
+				&dmaengine_pcm_config, 0);
+	if (ret)
+		return ret;
+
+	ret = snd_soc_register_component(&pdev->dev, &component_driver,
+				&i2s->dai, 1);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register dai\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int hi3660_i2s_remove(struct platform_device *pdev)
+{
+	struct hi3660_i2s *i2s = dev_get_drvdata(&pdev->dev);
+
+	snd_soc_unregister_component(&pdev->dev);
+	dev_set_drvdata(&pdev->dev, NULL);
+
+	pinctrl_put(i2s->pctrl);
+
+	return 0;
+}
+
+static const struct of_device_id dt_ids[] = {
+	{ .compatible = "hisilicon,hi3660-i2s-1.0" },
+	{ /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, dt_ids);
+
+static struct platform_driver local_platform_driver = {
+	.probe = hi3660_i2s_probe,
+	.remove = hi3660_i2s_remove,
+	.driver = {
+		.name = "hi3660_i2s",
+		.owner = THIS_MODULE,
+		.of_match_table = dt_ids,
+	},
+};
+
+module_platform_driver(local_platform_driver);
+
+MODULE_DESCRIPTION("Hisilicon I2S driver");
+MODULE_AUTHOR("Guangke Ji <j00209069@notesmail.huawei.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/hisilicon/hi3660-i2s.h b/sound/soc/hisilicon/hi3660-i2s.h
new file mode 100644
index 0000000..1874855
--- /dev/null
+++ b/sound/soc/hisilicon/hi3660-i2s.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * linux/sound/soc/hisilicon/hi3660-i2s.c
+ *
+ * I2S IP driver for hi3660.
+ *
+ * Copyright (c) 2001-2021, Huawei Tech. Co., Ltd.
+ *
+ */
+
+#ifndef _HI3660_I2S_H
+#define _HI3660_I2S_H
+
+enum hisi_bits {
+	HII2S_BITS_16,
+	HII2S_BITS_18,
+	HII2S_BITS_20,
+	HII2S_BITS_24,
+};
+
+enum hisi_i2s_rates {
+	HII2S_FS_RATE_8KHZ = 0,
+	HII2S_FS_RATE_16KHZ = 1,
+	HII2S_FS_RATE_32KHZ = 2,
+	HII2S_FS_RATE_48KHZ = 4,
+	HII2S_FS_RATE_96KHZ = 5,
+	HII2S_FS_RATE_192KHZ = 6,
+};
+
+#define HI_ASP_CFG_R_RST_CTRLEN_REG		0x0
+#define HI_ASP_CFG_R_RST_CTRLDIS_REG		0x4
+#define HI_ASP_CFG_R_GATE_EN_REG		0xC
+#define HI_ASP_CFG_R_GATE_DIS_REG		0x10
+#define HI_ASP_CFG_R_GATE_CLKEN_REG		0x14
+#define HI_ASP_CFG_R_GATE_CLKSTAT_REG		0x18
+#define HI_ASP_CFG_R_GATE_CLKDIV_EN_REG		0x1C
+#define HI_ASP_CFG_R_CLK1_DIV_REG		0x20
+#define HI_ASP_CFG_R_CLK2_DIV_REG		0x24
+#define HI_ASP_CFG_R_CLK3_DIV_REG		0x28
+#define HI_ASP_CFG_R_CLK4_DIV_REG		0x2C
+#define HI_ASP_CFG_R_CLK5_DIV_REG		0x30
+#define HI_ASP_CFG_R_CLK6_DIV_REG		0x34
+#define HI_ASP_CFG_R_CLK_SEL_REG		0x38
+#define HI_ASP_CFG_R_SEC_REG			0x100
+
+
+#define HI_ASP_SIO_VERSION_REG			(0x3C)
+#define HI_ASP_SIO_MODE_REG			(0x40)
+#define HI_ASP_SIO_INTSTATUS_REG		(0x44)
+#define HI_ASP_SIO_INTCLR_REG			(0x48)
+#define HI_ASP_SIO_I2S_LEFT_XD_REG		(0x4C)
+#define HI_ASP_SIO_I2S_RIGHT_XD_REG		(0x50)
+#define HI_ASP_SIO_I2S_LEFT_RD_REG		(0x54)
+#define HI_ASP_SIO_I2S_RIGHT_RD_REG		(0x58)
+#define HI_ASP_SIO_CT_SET_REG			(0x5C)
+#define HI_ASP_SIO_CT_CLR_REG			(0x60)
+#define HI_ASP_SIO_RX_STA_REG			(0x68)
+#define HI_ASP_SIO_TX_STA_REG			(0x6C)
+#define HI_ASP_SIO_DATA_WIDTH_SET_REG		(0x78)
+#define HI_ASP_SIO_I2S_START_POS_REG		(0x7C)
+#define HI_ASP_SIO_I2S_POS_FLAG_REG		(0x80)
+#define HI_ASP_SIO_SIGNED_EXT_REG		(0x84)
+#define HI_ASP_SIO_I2S_POS_MERGE_EN_REG		(0x88)
+#define HI_ASP_SIO_INTMASK_REG			(0x8C)
+#define HI_ASP_SIO_I2S_DUAL_RX_CHN_REG		(0xA0)
+#define HI_ASP_SIO_I2S_DUAL_TX_CHN_REG		(0xC0)
+
+
+#define HI_ASP_CFG_R_CLK_SEL_EN			BIT(2)
+#define HI_ASP_CFG_R_CLK_SEL			0x140010
+#define HI_ASP_CFG_R_CLK1_DIV_SEL		0xbcdc9a
+#define HI_ASP_CFG_R_CLK4_DIV_SEL		0x00ff000f
+#define HI_ASP_CFG_R_CLK6_DIV_SEL		0x00ff003f
+#define HI_ASP_CFG_SIO_MODE			0
+#define HI_ASP_SIO_MODE_SEL_EN			BIT(0)
+#define HI_ASP_MASK				0xffffffff
+
+#define HI_ASP_SIO_RX_ENABLE			BIT(13)
+#define HI_ASP_SIO_TX_ENABLE			BIT(12)
+#define HI_ASP_SIO_RX_FIFO_DISABLE		BIT(11)
+#define HI_ASP_SIO_TX_FIFO_DISABLE		BIT(10)
+#define HI_ASP_SIO_RX_DATA_MERGE		BIT(9)
+#define HI_ASP_SIO_TX_DATA_MERGE		BIT(8)
+#define HI_ASP_SIO_RX_FIFO_THRESHOLD		(0x5 << 4)
+#define HI_ASP_SIO_TX_FIFO_THRESHOLD		(0xB << 0)
+#define HI_ASP_SIO_RX_FIFO_THRESHOLD_CLR	(0xF << 4)
+#define HI_ASP_SIO_TX_FIFO_THRESHOLD_CLR	(0xF << 0)
+#define HI_ASP_SIO_BURST			(0x4)
+
+
+enum hisi_i2s_formats {
+	HII2S_FORMAT_I2S,
+	HII2S_FORMAT_PCM_STD,
+	HII2S_FORMAT_PCM_USER,
+	HII2S_FORMAT_LEFT_JUST,
+	HII2S_FORMAT_RIGHT_JUST,
+};
+
+#endif/* _HI3660_I2S_H */
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index f36a0fd..2b58bb8 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -257,7 +257,7 @@
 	/* Find stream from first CPU DAI */
 	dai = asoc_rtd_to_cpu(rtd, 0);
 
-	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
+	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
 
 	if (IS_ERR(sdw_stream)) {
 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
@@ -277,7 +277,7 @@
 	/* Find stream from first CPU DAI */
 	dai = asoc_rtd_to_cpu(rtd, 0);
 
-	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
+	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
 
 	if (IS_ERR(sdw_stream)) {
 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
@@ -316,7 +316,7 @@
 	/* Find stream from first CPU DAI */
 	dai = asoc_rtd_to_cpu(rtd, 0);
 
-	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
+	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
 
 	if (IS_ERR(sdw_stream)) {
 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 935c871..8936565 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -565,8 +565,11 @@
 
 	stream_tag = hdac_stream(link_dev)->stream_tag;
 
-	/* set the hdac_stream in the codec dai */
-	snd_soc_dai_set_stream(codec_dai, hdac_stream(link_dev), substream->stream);
+	/* set the stream tag in the codec dai dma params  */
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
+	else
+		snd_soc_dai_set_tdm_slot(codec_dai, 0, stream_tag, 0, 0);
 
 	p_params.s_fmt = snd_pcm_format_width(params_format(params));
 	p_params.ch = params_channels(params);
diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index 6be7a32..153e9b2 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -56,8 +56,8 @@
 	int ret = 0, i;
 
 	for_each_rtd_codec_dais(rtd, i, codec_dai) {
-		sruntime = snd_soc_dai_get_stream(codec_dai,
-						  substream->stream);
+		sruntime = snd_soc_dai_get_sdw_stream(codec_dai,
+						      substream->stream);
 		if (sruntime != ERR_PTR(-ENOTSUPP))
 			pdata->sruntime[cpu_dai->id] = sruntime;
 
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index 4295c05..c5eab59 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -865,3 +865,17 @@
 		soc_component_mark_pop(component, stream, pm);
 	}
 }
+
+int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_component *component;
+	int i;
+
+	/* FIXME: use 1st pointer */
+	for_each_rtd_components(rtd, i, component)
+		if (component->driver->ack)
+			return component->driver->ack(component, substream);
+
+	return 0;
+}
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e9da95e..88bbd96 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3009,6 +3009,39 @@
 }
 EXPORT_SYMBOL_GPL(snd_soc_get_dai_id);
 
+/**
+ * snd_soc_info_multi_ext - external single mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a single external mixer control.
+ * that accepts multiple input.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_multi_ext(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_info *uinfo)
+{
+	struct soc_multi_mixer_control *mc =
+		(struct soc_multi_mixer_control *)kcontrol->private_value;
+	int platform_max;
+
+	if (!mc->platform_max)
+		mc->platform_max = mc->max;
+	platform_max = mc->platform_max;
+
+	if (platform_max == 1 && !strnstr(kcontrol->id.name, " Volume", 30))
+		uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+	else
+		uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+
+	uinfo->count = mc->count;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = platform_max;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_multi_ext);
+
 int snd_soc_get_dai_name(struct of_phandle_args *args,
 				const char **dai_name)
 {
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index e52c030..1620cfd 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1281,7 +1281,8 @@
 
 	/* get number of valid DAI paths and their widgets */
 	paths = snd_soc_dapm_dai_get_connected_widgets(cpu_dai, stream, list,
-			dpcm_end_walk_at_be);
+			fe->card->component_chaining ?
+					NULL : dpcm_end_walk_at_be);
 
 	dev_dbg(fe->dev, "ASoC: found %d audio %s paths\n", paths,
 			stream ? "capture" : "playback");
@@ -2857,6 +2858,8 @@
 			rtd->ops.page		= snd_soc_pcm_component_page;
 		if (drv->mmap)
 			rtd->ops.mmap		= snd_soc_pcm_component_mmap;
+		if (drv->ack)
+			rtd->ops.ack            = snd_soc_pcm_component_ack;
 	}
 
 	if (playback)
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index a6275cc..ba5cb48 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -236,8 +236,11 @@
 	if (ret < 0)
 		return ret;
 
-	/* set the hdac_stream in the codec dai */
-	snd_soc_dai_set_stream(codec_dai, hdac_stream(link_dev), substream->stream);
+	/* set the stream tag in the codec dai dma params */
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
+	else
+		snd_soc_dai_set_tdm_slot(codec_dai, 0, stream_tag, 0, 0);
 
 	p_params.s_fmt = snd_pcm_format_width(params_format(params));
 	p_params.ch = params_channels(params);
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 6b172db..ee5d28ad 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -112,6 +112,185 @@
 static struct snd_usb_audio *usb_chip[SNDRV_CARDS];
 static struct usb_driver usb_audio_driver;
 
+static struct snd_usb_audio_vendor_ops *usb_vendor_ops;
+
+int snd_vendor_set_ops(struct snd_usb_audio_vendor_ops *ops)
+{
+	if ((!ops->connect) ||
+	    (!ops->disconnect) ||
+	    (!ops->set_interface) ||
+	    (!ops->set_rate) ||
+	    (!ops->set_pcm_buf) ||
+	    (!ops->set_pcm_intf) ||
+	    (!ops->set_pcm_connection) ||
+	    (!ops->set_pcm_binterval) ||
+	    (!ops->usb_add_ctls))
+		return -EINVAL;
+
+	usb_vendor_ops = ops;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_vendor_set_ops);
+
+struct snd_usb_audio_vendor_ops *snd_vendor_get_ops(void)
+{
+	return usb_vendor_ops;
+}
+
+static int snd_vendor_connect(struct usb_interface *intf)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		return ops->connect(intf);
+	return 0;
+}
+
+static void snd_vendor_disconnect(struct usb_interface *intf)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		ops->disconnect(intf);
+}
+
+int snd_vendor_set_interface(struct usb_device *udev,
+			     struct usb_host_interface *intf,
+			     int iface, int alt)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		return ops->set_interface(udev, intf, iface, alt);
+	return 0;
+}
+
+int snd_vendor_set_rate(struct usb_interface *intf, int iface, int rate,
+			int alt)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		return ops->set_rate(intf, iface, rate, alt);
+	return 0;
+}
+
+int snd_vendor_set_pcm_buf(struct usb_device *udev, int iface)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		ops->set_pcm_buf(udev, iface);
+	return 0;
+}
+
+int snd_vendor_set_pcm_intf(struct usb_interface *intf, int iface, int alt,
+			    int direction)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		return ops->set_pcm_intf(intf, iface, alt, direction);
+	return 0;
+}
+
+int snd_vendor_set_pcm_connection(struct usb_device *udev,
+				  enum snd_vendor_pcm_open_close onoff,
+				  int direction)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		return ops->set_pcm_connection(udev, onoff, direction);
+	return 0;
+}
+
+int snd_vendor_set_pcm_binterval(struct audioformat *fp,
+				 struct audioformat *found,
+				 int *cur_attr, int *attr)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		return ops->set_pcm_binterval(fp, found, cur_attr, attr);
+	return 0;
+}
+
+static int snd_vendor_usb_add_ctls(struct snd_usb_audio *chip)
+{
+	struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+	if (ops)
+		return ops->usb_add_ctls(chip);
+	return 0;
+}
+
+struct snd_usb_substream *find_snd_usb_substream(unsigned int card_num,
+	unsigned int pcm_idx, unsigned int direction, struct snd_usb_audio
+	**uchip, void (*disconnect_cb)(struct snd_usb_audio *chip))
+{
+	int idx;
+	struct snd_usb_stream *as;
+	struct snd_usb_substream *subs = NULL;
+	struct snd_usb_audio *chip = NULL;
+
+	mutex_lock(&register_mutex);
+	/*
+	 * legacy audio snd card number assignment is dynamic. Hence
+	 * search using chip->card->number
+	 */
+	for (idx = 0; idx < SNDRV_CARDS; idx++) {
+		if (!usb_chip[idx])
+			continue;
+		if (usb_chip[idx]->card->number == card_num) {
+			chip = usb_chip[idx];
+			break;
+		}
+	}
+
+	if (!chip || atomic_read(&chip->shutdown)) {
+		pr_debug("%s: instance of usb crad # %d does not exist\n",
+			__func__, card_num);
+		goto err;
+	}
+
+	if (pcm_idx >= chip->pcm_devs) {
+		pr_err("%s: invalid pcm dev number %u > %d\n", __func__,
+			pcm_idx, chip->pcm_devs);
+		goto err;
+	}
+
+	if (direction > SNDRV_PCM_STREAM_CAPTURE) {
+		pr_err("%s: invalid direction %u\n", __func__, direction);
+		goto err;
+	}
+
+	list_for_each_entry(as, &chip->pcm_list, list) {
+		if (as->pcm_index == pcm_idx) {
+			subs = &as->substream[direction];
+			if (subs->interface < 0 && !subs->data_endpoint &&
+				!subs->sync_endpoint) {
+				pr_debug("%s: stream disconnected, bail out\n",
+					__func__);
+				subs = NULL;
+				goto err;
+			}
+			goto done;
+		}
+	}
+
+done:
+	chip->card_num = card_num;
+	chip->disconnect_cb = disconnect_cb;
+err:
+	*uchip = chip;
+	if (!subs)
+		pr_debug("%s: substream instance not found\n", __func__);
+	mutex_unlock(&register_mutex);
+	return subs;
+}
+EXPORT_SYMBOL_GPL(find_snd_usb_substream);
+
 /*
  * disconnect streams
  * called from usb_audio_disconnect()
@@ -462,6 +641,7 @@
 	list_for_each_entry_safe(ep, n, &chip->ep_list, list)
 		snd_usb_endpoint_free(ep);
 
+	mutex_destroy(&chip->dev_lock);
 	mutex_destroy(&chip->mutex);
 	if (!atomic_read(&chip->shutdown))
 		dev_set_drvdata(&chip->dev->dev, NULL);
@@ -604,6 +784,7 @@
 
 	chip = card->private_data;
 	mutex_init(&chip->mutex);
+	mutex_init(&chip->dev_lock);
 	init_waitqueue_head(&chip->shutdown_wait);
 	chip->index = idx;
 	chip->dev = dev;
@@ -728,6 +909,10 @@
 	if (err < 0)
 		return err;
 
+	err = snd_vendor_connect(intf);
+	if (err)
+		return err;
+
 	/*
 	 * found a config.  now register to ALSA
 	 */
@@ -789,6 +974,8 @@
 
 	dev_set_drvdata(&dev->dev, chip);
 
+	snd_vendor_usb_add_ctls(chip);
+
 	/*
 	 * For devices with more than one control interface, we assume the
 	 * first contains the audio controls. We might need a more specific
@@ -877,6 +1064,11 @@
 
 	card = chip->card;
 
+	if (chip->disconnect_cb)
+		chip->disconnect_cb(chip);
+
+	snd_vendor_disconnect(intf);
+
 	mutex_lock(&register_mutex);
 	if (atomic_inc_return(&chip->shutdown) == 1) {
 		struct snd_usb_stream *as;
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 5351d71..3683f10 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -2,6 +2,8 @@
 #ifndef __USBAUDIO_CARD_H
 #define __USBAUDIO_CARD_H
 
+#include <linux/android_kabi.h>
+
 #define MAX_NR_RATES	1024
 #define MAX_PACKS	6		/* per URB */
 #define MAX_PACKS_HS	(MAX_PACKS * 8)	/* in high speed mode */
@@ -112,6 +114,11 @@
 
 	spinlock_t lock;
 	struct list_head list;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 struct media_ctl;
@@ -171,6 +178,8 @@
 
 	bool trigger_tstamp_pending_update; /* trigger timestamp being updated from initial estimate */
 	struct media_ctl *media_ctl;
+
+	ANDROID_KABI_RESERVE(1);
 };
 
 struct snd_usb_stream {
@@ -182,4 +191,25 @@
 	struct list_head list;
 };
 
+struct snd_usb_substream *find_snd_usb_substream(unsigned int card_num,
+	unsigned int pcm_idx, unsigned int direction, struct snd_usb_audio
+	**uchip, void (*disconnect_cb)(struct snd_usb_audio *chip));
+
+int snd_vendor_set_ops(struct snd_usb_audio_vendor_ops *vendor_ops);
+struct snd_usb_audio_vendor_ops *snd_vendor_get_ops(void);
+int snd_vendor_set_interface(struct usb_device *udev,
+			     struct usb_host_interface *alts,
+			     int iface, int alt);
+int snd_vendor_set_rate(struct usb_interface *intf, int iface, int rate,
+			int alt);
+int snd_vendor_set_pcm_buf(struct usb_device *udev, int iface);
+int snd_vendor_set_pcm_intf(struct usb_interface *intf, int iface, int alt,
+			    int direction);
+int snd_vendor_set_pcm_connection(struct usb_device *udev,
+				  enum snd_vendor_pcm_open_close onoff,
+				  int direction);
+int snd_vendor_set_pcm_binterval(struct audioformat *fp,
+				 struct audioformat *found,
+				 int *cur_attr, int *attr);
+
 #endif /* __USBAUDIO_CARD_H */
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 514d18a..13bebe9 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -664,8 +664,13 @@
 	 * interface is active. */
 	if (rate != prev_rate) {
 		usb_set_interface(dev, iface, 0);
+
+		snd_vendor_set_interface(dev, alts, iface, 0);
+
 		snd_usb_set_interface_quirk(dev);
 		usb_set_interface(dev, iface, fmt->altsetting);
+
+		snd_vendor_set_interface(dev, alts, iface, fmt->altsetting);
 		snd_usb_set_interface_quirk(dev);
 	}
 
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f4494d0..9e93a43 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -14,6 +14,8 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 
+#include <trace/hooks/sound.h>
+
 #include "usbaudio.h"
 #include "card.h"
 #include "quirks.h"
@@ -134,6 +136,71 @@
 			found = fp;
 			cur_attr = attr;
 		}
+
+		snd_vendor_set_pcm_binterval(fp, found, &cur_attr, &attr);
+	}
+	return found;
+}
+
+/*
+ * find a matching audio format as well as non-zero service interval
+ */
+static struct audioformat *find_format_and_si(struct snd_usb_substream *subs,
+	unsigned int datainterval)
+{
+	unsigned int i;
+	struct audioformat *fp;
+	struct audioformat *found = NULL;
+	int cur_attr = 0, attr;
+
+	list_for_each_entry(fp, &subs->fmt_list, list) {
+		if (datainterval != fp->datainterval)
+			continue;
+		if (!(fp->formats & pcm_format_to_bits(subs->pcm_format)))
+			continue;
+		if (fp->channels != subs->channels)
+			continue;
+		if (subs->cur_rate < fp->rate_min ||
+		    subs->cur_rate > fp->rate_max)
+			continue;
+		if (!(fp->rates & SNDRV_PCM_RATE_CONTINUOUS)) {
+			for (i = 0; i < fp->nr_rates; i++)
+				if (fp->rate_table[i] == subs->cur_rate)
+					break;
+			if (i >= fp->nr_rates)
+				continue;
+		}
+		attr = fp->ep_attr & USB_ENDPOINT_SYNCTYPE;
+		if (!found) {
+			found = fp;
+			cur_attr = attr;
+			continue;
+		}
+		/* avoid async out and adaptive in if the other method
+		 * supports the same format.
+		 * this is a workaround for the case like
+		 * M-audio audiophile USB.
+		 */
+		if (attr != cur_attr) {
+			if ((attr == USB_ENDPOINT_SYNC_ASYNC &&
+			     subs->direction == SNDRV_PCM_STREAM_PLAYBACK) ||
+			    (attr == USB_ENDPOINT_SYNC_ADAPTIVE &&
+			     subs->direction == SNDRV_PCM_STREAM_CAPTURE))
+				continue;
+			if ((cur_attr == USB_ENDPOINT_SYNC_ASYNC &&
+			     subs->direction == SNDRV_PCM_STREAM_PLAYBACK) ||
+			    (cur_attr == USB_ENDPOINT_SYNC_ADAPTIVE &&
+			     subs->direction == SNDRV_PCM_STREAM_CAPTURE)) {
+				found = fp;
+				cur_attr = attr;
+				continue;
+			}
+		}
+		/* find the format with the largest max. packet size */
+		if (fp->maxpacksize > found->maxpacksize) {
+			found = fp;
+			cur_attr = attr;
+		}
 	}
 	return found;
 }
@@ -585,6 +652,10 @@
 		}
 		dev_dbg(&dev->dev, "setting usb interface %d:%d\n",
 			fmt->iface, fmt->altsetting);
+		err = snd_vendor_set_pcm_intf(iface, fmt->iface,
+					      fmt->altsetting, subs->direction);
+		if (err)
+			return err;
 		snd_usb_set_interface_quirk(dev);
 	}
 
@@ -612,6 +683,81 @@
 	return 0;
 }
 
+static int snd_usb_pcm_change_state(struct snd_usb_substream *subs, int state);
+
+int snd_usb_enable_audio_stream(struct snd_usb_substream *subs,
+	int datainterval, bool enable)
+{
+	struct audioformat *fmt;
+	struct usb_host_interface *alts;
+	struct usb_interface *iface;
+	int ret;
+
+	if (!enable) {
+		if (subs->interface >= 0) {
+			usb_set_interface(subs->dev, subs->interface, 0);
+			subs->altset_idx = 0;
+			subs->interface = -1;
+			subs->cur_audiofmt = NULL;
+		}
+
+		snd_usb_autosuspend(subs->stream->chip);
+		return 0;
+	}
+
+	snd_usb_autoresume(subs->stream->chip);
+
+	ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D0);
+	if (ret < 0)
+		return ret;
+
+	if (datainterval != -EINVAL)
+		fmt = find_format_and_si(subs, datainterval);
+	else
+		fmt = find_format(subs);
+	if (!fmt) {
+		dev_err(&subs->dev->dev,
+		"cannot set format: format = %#x, rate = %d, channels = %d\n",
+			   subs->pcm_format, subs->cur_rate, subs->channels);
+		return -EINVAL;
+	}
+
+	subs->altset_idx = 0;
+	subs->interface = -1;
+	if (atomic_read(&subs->stream->chip->shutdown)) {
+		ret = -ENODEV;
+	} else {
+		ret = set_format(subs, fmt);
+		if (ret < 0)
+			return ret;
+
+		iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface);
+		if (!iface) {
+			dev_err(&subs->dev->dev, "Could not get iface %d\n",
+				subs->cur_audiofmt->iface);
+			return -ENODEV;
+		}
+
+		alts = &iface->altsetting[subs->cur_audiofmt->altset_idx];
+		ret = snd_usb_init_sample_rate(subs->stream->chip,
+					       subs->cur_audiofmt->iface,
+					       alts,
+					       subs->cur_audiofmt,
+					       subs->cur_rate);
+		if (ret < 0) {
+			dev_err(&subs->dev->dev, "failed to set rate %d\n",
+				subs->cur_rate);
+			return ret;
+		}
+	}
+
+	subs->interface = fmt->iface;
+	subs->altset_idx = fmt->altset_idx;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_usb_enable_audio_stream);
+
 /*
  * Return the score of matching two audioformats.
  * Veto the audioformat if:
@@ -908,6 +1054,10 @@
 	struct usb_interface *iface;
 	int ret;
 
+	ret = snd_vendor_set_pcm_buf(subs->dev, subs->cur_audiofmt->iface);
+	if (ret)
+		return ret;
+
 	if (! subs->cur_audiofmt) {
 		dev_err(&subs->dev->dev, "no format is specified!\n");
 		return -ENXIO;
@@ -941,6 +1091,17 @@
 		if (ret < 0)
 			goto unlock;
 
+		if (snd_vendor_get_ops()) {
+			ret = snd_vendor_set_rate(iface,
+						  subs->cur_audiofmt->iface,
+						  subs->cur_rate,
+						  subs->cur_audiofmt->altsetting);
+			if (!ret) {
+				subs->need_setup_ep = false;
+				goto unlock;
+			}
+		}
+
 		ret = configure_endpoint(subs);
 		if (ret < 0)
 			goto unlock;
@@ -1349,6 +1510,12 @@
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_usb_substream *subs = &as->substream[direction];
 	int ret;
+	bool is_support = false;
+
+	ret = snd_vendor_set_pcm_connection(subs->dev, SOUND_PCM_OPEN,
+					    direction);
+	if (ret)
+		return ret;
 
 	subs->interface = -1;
 	subs->altset_idx = 0;
@@ -1368,6 +1535,11 @@
 		if (ret)
 			snd_usb_autosuspend(subs->stream->chip);
 	}
+
+	trace_android_vh_sound_usb_support_cpu_suspend(subs->dev, direction, &is_support);
+	if (!ret && is_support)
+		snd_usb_autosuspend(subs->stream->chip);
+
 	return ret;
 }
 
@@ -1377,6 +1549,16 @@
 	struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
 	struct snd_usb_substream *subs = &as->substream[direction];
 	int ret;
+	bool is_support = false;
+
+	ret = snd_vendor_set_pcm_connection(subs->dev, SOUND_PCM_CLOSE,
+					    direction);
+	if (ret)
+		return ret;
+
+	trace_android_vh_sound_usb_support_cpu_suspend(subs->dev, direction, &is_support);
+	if (!ret && is_support)
+		snd_usb_autoresume(subs->stream->chip);
 
 	snd_media_stop_pipeline(subs);
 
@@ -1384,6 +1566,12 @@
 	    subs->interface >= 0 &&
 	    !snd_usb_lock_shutdown(subs->stream->chip)) {
 		usb_set_interface(subs->dev, subs->interface, 0);
+		ret = snd_vendor_set_pcm_intf(usb_ifnum_to_if(subs->dev,
+							      subs->interface),
+					      subs->interface, 0,
+					      direction);
+		if (ret)
+			return ret;
 		subs->interface = -1;
 		ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D1);
 		snd_usb_unlock_shutdown(subs->stream->chip);
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index 9833627..6e28e79 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -14,5 +14,7 @@
 		       struct audioformat *fmt);
 void snd_usb_preallocate_buffer(struct snd_usb_substream *subs);
 
+int snd_usb_enable_audio_stream(struct snd_usb_substream *subs,
+				int datainterval, bool enable);
 
 #endif /* __USBAUDIO_PCM_H */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index c4f4585..d1a8dd5 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -67,9 +67,13 @@
 static void snd_usb_audio_pcm_free(struct snd_pcm *pcm)
 {
 	struct snd_usb_stream *stream = pcm->private_data;
+	struct snd_usb_audio *chip;
 	if (stream) {
+		mutex_lock(&stream->chip->dev_lock);
+		chip = stream->chip;
 		stream->pcm = NULL;
 		snd_usb_audio_stream_free(stream);
+		mutex_unlock(&chip->dev_lock);
 	}
 }
 
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index d8e31ee..0b8d5c1 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -12,6 +12,8 @@
 #define USB_ID_VENDOR(id) ((id) >> 16)
 #define USB_ID_PRODUCT(id) ((u16)(id))
 
+#include <linux/android_kabi.h>
+
 /*
  *
  */
@@ -61,6 +63,14 @@
 	struct usb_host_interface *ctrl_intf;	/* the audio control interface */
 	struct media_device *media_dev;
 	struct media_intf_devnode *ctl_intf_media_devnode;
+	struct mutex dev_lock;  /* to protect any race with disconnect */
+	int card_num;	/* cache pcm card number to use upon disconnect */
+	void (*disconnect_cb)(struct snd_usb_audio *chip);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+	ANDROID_KABI_RESERVE(3);
+	ANDROID_KABI_RESERVE(4);
 };
 
 #define USB_AUDIO_IFACE_UNUSED	((void *)-1L)
@@ -129,4 +139,53 @@
 extern bool snd_usb_use_vmalloc;
 extern bool snd_usb_skip_validation;
 
+struct audioformat;
+
+enum snd_vendor_pcm_open_close {
+	SOUND_PCM_CLOSE = 0,
+	SOUND_PCM_OPEN,
+};
+
+/**
+ * struct snd_usb_audio_vendor_ops - function callbacks for USB audio accelerators
+ * @connect: called when a new interface is found
+ * @disconnect: called when an interface is removed
+ * @set_interface: called when an interface is initialized
+ * @set_rate: called when the rate is set
+ * @set_pcm_buf: called when the pcm buffer is set
+ * @set_pcm_intf: called when the pcm interface is set
+ * @set_pcm_connection: called when pcm is opened/closed
+ * @set_pcm_binterval: called when the pcm binterval is set
+ * @usb_add_ctls: called when USB controls are added
+ *
+ * Set of callbacks for some accelerated USB audio streaming hardware.
+ *
+ * TODO: make this USB host-controller specific, right now this only works for
+ * one USB controller in the system at a time, which is only realistic for
+ * self-contained systems like phones.
+ */
+struct snd_usb_audio_vendor_ops {
+	int (*connect)(struct usb_interface *intf);
+	void (*disconnect)(struct usb_interface *intf);
+
+	int (*set_interface)(struct usb_device *udev,
+			     struct usb_host_interface *alts,
+			     int iface, int alt);
+	int (*set_rate)(struct usb_interface *intf, int iface, int rate,
+			int alt);
+	int (*set_pcm_buf)(struct usb_device *udev, int iface);
+	int (*set_pcm_intf)(struct usb_interface *intf, int iface, int alt,
+			    int direction);
+	int (*set_pcm_connection)(struct usb_device *udev,
+				  enum snd_vendor_pcm_open_close onoff,
+				  int direction);
+	int (*set_pcm_binterval)(struct audioformat *fp,
+				 struct audioformat *found,
+				 int *cur_attr, int *attr);
+	int (*usb_add_ctls)(struct snd_usb_audio *chip);
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
+};
+
 #endif /* __USBAUDIO_H */
diff --git a/tools/bootconfig/include/linux/bootconfig.h b/tools/bootconfig/include/linux/bootconfig.h
index 078cbd2..de7f30f 100644
--- a/tools/bootconfig/include/linux/bootconfig.h
+++ b/tools/bootconfig/include/linux/bootconfig.h
@@ -4,4 +4,8 @@
 
 #include "../../../../include/linux/bootconfig.h"
 
+#ifndef fallthrough
+# define fallthrough
+#endif
+
 #endif
diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 6cd6080c..5d842e8 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -27,7 +27,7 @@
 			q = '\'';
 		else
 			q = '"';
-		printf("%c%s%c%s", q, val, q, node->next ? ", " : eol);
+		printf("%c%s%c%s", q, val, q, xbc_node_is_array(node) ? ", " : eol);
 		i++;
 	}
 	return i;
@@ -35,30 +35,55 @@
 
 static void xbc_show_compact_tree(void)
 {
-	struct xbc_node *node, *cnode;
+	struct xbc_node *node, *cnode = NULL, *vnode;
 	int depth = 0, i;
 
 	node = xbc_root_node();
 	while (node && xbc_node_is_key(node)) {
 		for (i = 0; i < depth; i++)
 			printf("\t");
-		cnode = xbc_node_get_child(node);
+		if (!cnode)
+			cnode = xbc_node_get_child(node);
 		while (cnode && xbc_node_is_key(cnode) && !cnode->next) {
+			vnode = xbc_node_get_child(cnode);
+			/*
+			 * If @cnode has value and subkeys, this
+			 * should show it as below.
+			 *
+			 * key(@node) {
+			 *      key(@cnode) = value;
+			 *      key(@cnode) {
+			 *          subkeys;
+			 *      }
+			 * }
+			 */
+			if (vnode && xbc_node_is_value(vnode) && vnode->next)
+				break;
 			printf("%s.", xbc_node_get_data(node));
 			node = cnode;
-			cnode = xbc_node_get_child(node);
+			cnode = vnode;
 		}
 		if (cnode && xbc_node_is_key(cnode)) {
 			printf("%s {\n", xbc_node_get_data(node));
 			depth++;
 			node = cnode;
+			cnode = NULL;
 			continue;
 		} else if (cnode && xbc_node_is_value(cnode)) {
 			printf("%s = ", xbc_node_get_data(node));
 			xbc_show_value(cnode, true);
+			/*
+			 * If @node has value and subkeys, continue
+			 * looping on subkeys with same node.
+			 */
+			if (cnode->next) {
+				cnode = xbc_node_get_next(cnode);
+				continue;
+			}
 		} else {
 			printf("%s;\n", xbc_node_get_data(node));
 		}
+		cnode = NULL;
 
 		if (node->next) {
 			node = xbc_node_get_next(node);
@@ -70,10 +95,12 @@
 				return;
 			if (!xbc_node_get_child(node)->next)
 				continue;
-			depth--;
-			for (i = 0; i < depth; i++)
-				printf("\t");
-			printf("}\n");
+			if (depth) {
+				depth--;
+				for (i = 0; i < depth; i++)
+					printf("\t");
+				printf("}\n");
+			}
 		}
 		node = xbc_node_get_next(node);
 	}
@@ -88,8 +115,10 @@
 
 	xbc_for_each_key_value(leaf, val) {
 		ret = xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX);
-		if (ret < 0)
+		if (ret < 0) {
+			fprintf(stderr, "Failed to compose key %d\n", ret);
 			break;
+		}
 		printf("%s = ", key);
 		if (!val || val[0] == '\0') {
 			printf("\"\"\n");
@@ -99,17 +128,6 @@
 	}
 }
 
-/* Simple real checksum */
-static int checksum(unsigned char *buf, int len)
-{
-	int i, sum = 0;
-
-	for (i = 0; i < len; i++)
-		sum += buf[i];
-
-	return sum;
-}
-
 #define PAGE_SIZE	4096
 
 static int load_xbc_fd(int fd, char **buf, int size)
@@ -205,7 +223,7 @@
 		return ret;
 
 	/* Wrong Checksum */
-	rcsum = checksum((unsigned char *)*buf, size);
+	rcsum = xbc_calc_checksum(*buf, size);
 	if (csum != rcsum) {
 		pr_err("checksum error: %d != %d\n", csum, rcsum);
 		return -EINVAL;
@@ -354,7 +372,7 @@
 		return ret;
 	}
 	size = strlen(buf) + 1;
-	csum = checksum((unsigned char *)buf, size);
+	csum = xbc_calc_checksum(buf, size);
 
 	/* Backup the bootconfig data */
 	data = calloc(size + BOOTCONFIG_ALIGN +
diff --git a/tools/bootconfig/samples/bad-override.bconf b/tools/bootconfig/samples/bad-override.bconf
deleted file mode 100644
index fde6c56..0000000
--- a/tools/bootconfig/samples/bad-override.bconf
+++ /dev/null
@@ -1,3 +0,0 @@
-key.subkey = value
-# We can not override pre-defined subkeys with value
-key := value
diff --git a/tools/bootconfig/samples/bad-override2.bconf b/tools/bootconfig/samples/bad-override2.bconf
deleted file mode 100644
index 688587c..0000000
--- a/tools/bootconfig/samples/bad-override2.bconf
+++ /dev/null
@@ -1,3 +0,0 @@
-key = value
-# We can not override pre-defined value with subkey
-key.subkey := value
diff --git a/tools/bootconfig/samples/good-mixed-append.bconf b/tools/bootconfig/samples/good-mixed-append.bconf
new file mode 100644
index 0000000..b99a089
--- /dev/null
+++ b/tools/bootconfig/samples/good-mixed-append.bconf
@@ -0,0 +1,4 @@
+key = foo
+keyx.subkey = value
+key += bar
+
diff --git a/tools/bootconfig/samples/bad-mixed-kv1.bconf b/tools/bootconfig/samples/good-mixed-kv1.bconf
similarity index 100%
rename from tools/bootconfig/samples/bad-mixed-kv1.bconf
rename to tools/bootconfig/samples/good-mixed-kv1.bconf
diff --git a/tools/bootconfig/samples/bad-mixed-kv2.bconf b/tools/bootconfig/samples/good-mixed-kv2.bconf
similarity index 100%
rename from tools/bootconfig/samples/bad-mixed-kv2.bconf
rename to tools/bootconfig/samples/good-mixed-kv2.bconf
diff --git a/tools/bootconfig/samples/good-mixed-kv3.bconf b/tools/bootconfig/samples/good-mixed-kv3.bconf
new file mode 100644
index 0000000..2ce2b02
--- /dev/null
+++ b/tools/bootconfig/samples/good-mixed-kv3.bconf
@@ -0,0 +1,6 @@
+# mixed key and subkeys with braces
+key = value
+key {
+	subkey1
+	subkey2 = foo
+}
diff --git a/tools/bootconfig/samples/good-mixed-override.bconf b/tools/bootconfig/samples/good-mixed-override.bconf
new file mode 100644
index 0000000..18195b2
--- /dev/null
+++ b/tools/bootconfig/samples/good-mixed-override.bconf
@@ -0,0 +1,4 @@
+key.foo = bar
+key = value
+# mixed key value can be overridden
+key := value2
diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile
index af9f9d3..21a17ad 100644
--- a/tools/bpf/resolve_btfids/Makefile
+++ b/tools/bpf/resolve_btfids/Makefile
@@ -23,6 +23,8 @@
 LD       = $(HOSTLD)
 ARCH     = $(HOSTARCH)
 RM      ?= rm
+CFLAGS  := $(KBUILD_HOSTCFLAGS)
+LDFLAGS := $(KBUILD_HOSTLDFLAGS)
 
 OUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/
 
@@ -42,12 +44,13 @@
 	$(Q)mkdir -p $(@)
 
 $(SUBCMDOBJ): fixdep FORCE | $(OUTPUT)/libsubcmd
-	$(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
+	$(Q)$(MAKE) -C $(SUBCMD_SRC) EXTRA_CFLAGS="$(CFLAGS)" OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
 
 $(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)/libbpf
-	$(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC)  OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
+	$(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC)  OUTPUT=$(abspath $(dir $@))/ \
+		EXTRA_CFLAGS="$(CFLAGS)" $(abspath $@)
 
-CFLAGS := -g \
+CFLAGS += -g \
           -I$(srctree)/tools/include \
           -I$(srctree)/tools/include/uapi \
           -I$(LIBBPF_SRC) \
diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c
index f32c059..b3c4c50 100644
--- a/tools/bpf/resolve_btfids/main.c
+++ b/tools/bpf/resolve_btfids/main.c
@@ -115,10 +115,10 @@
 
 static int verbose;
 
-int eprintf(int level, int var, const char *fmt, ...)
+static int eprintf(int level, int var, const char *fmt, ...)
 {
 	va_list args;
-	int ret;
+	int ret = 0;
 
 	if (var >= level) {
 		va_start(args, fmt);
@@ -383,7 +383,7 @@
 static int symbols_collect(struct object *obj)
 {
 	Elf_Scn *scn = NULL;
-	int n, i, err = 0;
+	int n, i;
 	GElf_Shdr sh;
 	char *name;
 
@@ -400,11 +400,10 @@
 	 * Scan symbols and look for the ones starting with
 	 * __BTF_ID__* over .BTF_ids section.
 	 */
-	for (i = 0; !err && i < n; i++) {
-		char *tmp, *prefix;
+	for (i = 0; i < n; i++) {
+		char *prefix;
 		struct btf_id *id;
 		GElf_Sym sym;
-		int err = -1;
 
 		if (!gelf_getsym(obj->efile.symbols, i, &sym))
 			return -1;
diff --git a/tools/build/Build.include b/tools/build/Build.include
index 585486e..2cf3b1b 100644
--- a/tools/build/Build.include
+++ b/tools/build/Build.include
@@ -100,3 +100,27 @@
 ## HOSTCC C flags
 
 host_c_flags = -Wp,-MD,$(depfile) -Wp,-MT,$@ $(KBUILD_HOSTCFLAGS) -D"BUILD_STR(s)=\#s" $(HOSTCFLAGS_$(basetarget).o) $(HOSTCFLAGS_$(obj))
+
+# output directory for tests below
+TMPOUT = .tmp_$$$$
+
+# try-run
+# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
+# Exit code chooses option. "$$TMP" serves as a temporary file and is
+# automatically cleaned up.
+try-run = $(shell set -e;		\
+	TMP=$(TMPOUT)/tmp;		\
+	mkdir -p $(TMPOUT);		\
+	trap "rm -rf $(TMPOUT)" EXIT;	\
+	if ($(1)) >/dev/null 2>&1;	\
+	then echo "$(2)";		\
+	else echo "$(3)";		\
+	fi)
+
+# cc-option
+# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
+cc-option = $(call try-run, \
+	$(CC) -Werror $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
+
+# delete partially updated (i.e. corrupted) files on error
+.DELETE_ON_ERROR:
diff --git a/tools/crypto/gen_fips140_testvecs.py b/tools/crypto/gen_fips140_testvecs.py
new file mode 100755
index 0000000..825c487
--- /dev/null
+++ b/tools/crypto/gen_fips140_testvecs.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright 2021 Google LLC
+#
+# Generate most of the test vectors for the FIPS 140 cryptographic self-tests.
+#
+# Usage:
+#    tools/crypto/gen_fips140_testvecs.py > crypto/fips140-generated-testvecs.h
+#
+# Prerequisites:
+#    Debian:      apt-get install python3-pycryptodome python3-cryptography
+#    Arch Linux:  pacman -S python-pycryptodomex python-cryptography
+
+import hashlib
+import hmac
+import os
+
+import Cryptodome.Cipher.AES
+import Cryptodome.Util.Counter
+
+import cryptography.hazmat.primitives.ciphers
+import cryptography.hazmat.primitives.ciphers.algorithms
+import cryptography.hazmat.primitives.ciphers.modes
+
+scriptname = os.path.basename(__file__)
+
+message     = bytes('This is a 32-byte test message.\0', 'ascii')
+aes_key     = bytes('128-bit AES key\0', 'ascii')
+aes_xts_key = bytes('This is an AES-128-XTS key.\0\0\0\0\0', 'ascii')
+aes_iv      = bytes('ABCDEFGHIJKLMNOP', 'ascii')
+assoc       = bytes('associated data string', 'ascii')
+hmac_key    = bytes('128-bit HMAC key', 'ascii')
+
+def warn_generated():
+    print(f'''/*
+ * This header was automatically generated by {scriptname}.
+ * Don't edit it directly.
+ */''')
+
+def is_string_value(value):
+    return (value.isascii() and
+            all(c == '\x00' or c.isprintable() for c in str(value, 'ascii')))
+
+def format_value(value, is_string):
+    if is_string:
+        return value
+    hexstr = ''
+    for byte in value:
+        hexstr += f'\\x{byte:02x}'
+    return hexstr
+
+def print_value(name, value):
+    is_string = is_string_value(value)
+    hdr = f'static const u8 fips_{name}[{len(value)}] __initconst ='
+    print(hdr, end='')
+    if is_string:
+        value = str(value, 'ascii').rstrip('\x00')
+        chars_per_byte = 1
+    else:
+        chars_per_byte = 4
+    bytes_per_line = 64 // chars_per_byte
+
+    if len(hdr) + (chars_per_byte * len(value)) + 4 <= 80:
+        print(f' "{format_value(value, is_string)}"', end='')
+    else:
+        for chunk in [value[i:i+bytes_per_line]
+                      for i in range(0, len(value), bytes_per_line)]:
+            print(f'\n\t"{format_value(chunk, is_string)}"', end='')
+    print(';')
+    print('')
+
+def generate_aes_testvecs():
+    print_value('aes_key', aes_key)
+    print_value('aes_iv', aes_iv)
+
+    cbc = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_CBC,
+                                    iv=aes_iv)
+    print_value('aes_cbc_ciphertext', cbc.encrypt(message))
+
+    ecb = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_ECB)
+    print_value('aes_ecb_ciphertext', ecb.encrypt(message))
+
+    ctr = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_CTR,
+                                    nonce=bytes(), initial_value=aes_iv)
+    print_value('aes_ctr_ciphertext', ctr.encrypt(message))
+
+    print_value('aes_gcm_assoc', assoc)
+    gcm = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_GCM,
+                                    nonce=aes_iv[:12], mac_len=16)
+    gcm.update(assoc)
+    raw_ciphertext, tag = gcm.encrypt_and_digest(message)
+    print_value('aes_gcm_ciphertext', raw_ciphertext + tag)
+
+    # Unfortunately, pycryptodome doesn't support XTS, so for it we need to use
+    # a different Python package (the "cryptography" package).
+    print_value('aes_xts_key', aes_xts_key)
+    xts = cryptography.hazmat.primitives.ciphers.Cipher(
+        cryptography.hazmat.primitives.ciphers.algorithms.AES(aes_xts_key),
+        cryptography.hazmat.primitives.ciphers.modes.XTS(aes_iv)).encryptor()
+    ciphertext = xts.update(message) + xts.finalize()
+    print_value('aes_xts_ciphertext', ciphertext)
+
+    cmac = Cryptodome.Hash.CMAC.new(aes_key, ciphermod=Cryptodome.Cipher.AES)
+    cmac.update(message)
+    print_value('aes_cmac_digest', cmac.digest())
+
+def generate_sha_testvecs():
+    print_value('hmac_key', hmac_key)
+    for alg in ['sha1', 'sha256', 'hmac_sha256', 'sha512']:
+        if alg.startswith('hmac_'):
+            h = hmac.new(hmac_key, message, alg.removeprefix('hmac_'))
+        else:
+            h = hashlib.new(alg, message)
+        print_value(f'{alg}_digest', h.digest())
+
+print('/* SPDX-License-Identifier: GPL-2.0-only */')
+print('/* Copyright 2021 Google LLC */')
+print('')
+warn_generated()
+print('')
+print_value('message', message)
+generate_aes_testvecs()
+generate_sha_testvecs()
+warn_generated()
diff --git a/tools/include/linux/poison.h b/tools/include/linux/poison.h
index d297257..2e6338a 100644
--- a/tools/include/linux/poison.h
+++ b/tools/include/linux/poison.h
@@ -35,12 +35,8 @@
  */
 #define TIMER_ENTRY_STATIC	((void *) 0x300 + POISON_POINTER_DELTA)
 
-/********** mm/debug-pagealloc.c **********/
-#ifdef CONFIG_PAGE_POISONING_ZERO
-#define PAGE_POISON 0x00
-#else
+/********** mm/page_poison.c **********/
 #define PAGE_POISON 0xaa
-#endif
 
 /********** mm/page_alloc.c ************/
 
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 63ea5bc..9bbbf85 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -199,6 +199,7 @@
 	BPF_PROG_TYPE_EXT,
 	BPF_PROG_TYPE_LSM,
 	BPF_PROG_TYPE_SK_LOOKUP,
+	BPF_PROG_TYPE_FUSE,
 };
 
 enum bpf_attach_type {
diff --git a/tools/include/uapi/linux/tcp.h b/tools/include/uapi/linux/tcp.h
deleted file mode 100644
index 13ceeb3..0000000
--- a/tools/include/uapi/linux/tcp.h
+++ /dev/null
@@ -1,357 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
-/*
- * INET		An implementation of the TCP/IP protocol suite for the LINUX
- *		operating system.  INET is implemented using the  BSD Socket
- *		interface as the means of communication with the user level.
- *
- *		Definitions for the TCP protocol.
- *
- * Version:	@(#)tcp.h	1.0.2	04/28/93
- *
- * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
- *
- *		This program is free software; you can redistribute it and/or
- *		modify it under the terms of the GNU General Public License
- *		as published by the Free Software Foundation; either version
- *		2 of the License, or (at your option) any later version.
- */
-#ifndef _UAPI_LINUX_TCP_H
-#define _UAPI_LINUX_TCP_H
-
-#include <linux/types.h>
-#include <asm/byteorder.h>
-#include <linux/socket.h>
-
-struct tcphdr {
-	__be16	source;
-	__be16	dest;
-	__be32	seq;
-	__be32	ack_seq;
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-	__u16	res1:4,
-		doff:4,
-		fin:1,
-		syn:1,
-		rst:1,
-		psh:1,
-		ack:1,
-		urg:1,
-		ece:1,
-		cwr:1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-	__u16	doff:4,
-		res1:4,
-		cwr:1,
-		ece:1,
-		urg:1,
-		ack:1,
-		psh:1,
-		rst:1,
-		syn:1,
-		fin:1;
-#else
-#error	"Adjust your <asm/byteorder.h> defines"
-#endif	
-	__be16	window;
-	__sum16	check;
-	__be16	urg_ptr;
-};
-
-/*
- *	The union cast uses a gcc extension to avoid aliasing problems
- *  (union is compatible to any of its members)
- *  This means this part of the code is -fstrict-aliasing safe now.
- */
-union tcp_word_hdr { 
-	struct tcphdr hdr;
-	__be32 		  words[5];
-}; 
-
-#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3]) 
-
-enum { 
-	TCP_FLAG_CWR = __constant_cpu_to_be32(0x00800000),
-	TCP_FLAG_ECE = __constant_cpu_to_be32(0x00400000),
-	TCP_FLAG_URG = __constant_cpu_to_be32(0x00200000),
-	TCP_FLAG_ACK = __constant_cpu_to_be32(0x00100000),
-	TCP_FLAG_PSH = __constant_cpu_to_be32(0x00080000),
-	TCP_FLAG_RST = __constant_cpu_to_be32(0x00040000),
-	TCP_FLAG_SYN = __constant_cpu_to_be32(0x00020000),
-	TCP_FLAG_FIN = __constant_cpu_to_be32(0x00010000),
-	TCP_RESERVED_BITS = __constant_cpu_to_be32(0x0F000000),
-	TCP_DATA_OFFSET = __constant_cpu_to_be32(0xF0000000)
-}; 
-
-/*
- * TCP general constants
- */
-#define TCP_MSS_DEFAULT		 536U	/* IPv4 (RFC1122, RFC2581) */
-#define TCP_MSS_DESIRED		1220U	/* IPv6 (tunneled), EDNS0 (RFC3226) */
-
-/* TCP socket options */
-#define TCP_NODELAY		1	/* Turn off Nagle's algorithm. */
-#define TCP_MAXSEG		2	/* Limit MSS */
-#define TCP_CORK		3	/* Never send partially complete segments */
-#define TCP_KEEPIDLE		4	/* Start keeplives after this period */
-#define TCP_KEEPINTVL		5	/* Interval between keepalives */
-#define TCP_KEEPCNT		6	/* Number of keepalives before death */
-#define TCP_SYNCNT		7	/* Number of SYN retransmits */
-#define TCP_LINGER2		8	/* Life time of orphaned FIN-WAIT-2 state */
-#define TCP_DEFER_ACCEPT	9	/* Wake up listener only when data arrive */
-#define TCP_WINDOW_CLAMP	10	/* Bound advertised window */
-#define TCP_INFO		11	/* Information about this connection. */
-#define TCP_QUICKACK		12	/* Block/reenable quick acks */
-#define TCP_CONGESTION		13	/* Congestion control algorithm */
-#define TCP_MD5SIG		14	/* TCP MD5 Signature (RFC2385) */
-#define TCP_THIN_LINEAR_TIMEOUTS 16      /* Use linear timeouts for thin streams*/
-#define TCP_THIN_DUPACK         17      /* Fast retrans. after 1 dupack */
-#define TCP_USER_TIMEOUT	18	/* How long for loss retry before timeout */
-#define TCP_REPAIR		19	/* TCP sock is under repair right now */
-#define TCP_REPAIR_QUEUE	20
-#define TCP_QUEUE_SEQ		21
-#define TCP_REPAIR_OPTIONS	22
-#define TCP_FASTOPEN		23	/* Enable FastOpen on listeners */
-#define TCP_TIMESTAMP		24
-#define TCP_NOTSENT_LOWAT	25	/* limit number of unsent bytes in write queue */
-#define TCP_CC_INFO		26	/* Get Congestion Control (optional) info */
-#define TCP_SAVE_SYN		27	/* Record SYN headers for new connections */
-#define TCP_SAVED_SYN		28	/* Get SYN headers recorded for connection */
-#define TCP_REPAIR_WINDOW	29	/* Get/set window parameters */
-#define TCP_FASTOPEN_CONNECT	30	/* Attempt FastOpen with connect */
-#define TCP_ULP			31	/* Attach a ULP to a TCP connection */
-#define TCP_MD5SIG_EXT		32	/* TCP MD5 Signature with extensions */
-#define TCP_FASTOPEN_KEY	33	/* Set the key for Fast Open (cookie) */
-#define TCP_FASTOPEN_NO_COOKIE	34	/* Enable TFO without a TFO cookie */
-#define TCP_ZEROCOPY_RECEIVE	35
-#define TCP_INQ			36	/* Notify bytes available to read as a cmsg on read */
-
-#define TCP_CM_INQ		TCP_INQ
-
-#define TCP_TX_DELAY		37	/* delay outgoing packets by XX usec */
-
-
-#define TCP_REPAIR_ON		1
-#define TCP_REPAIR_OFF		0
-#define TCP_REPAIR_OFF_NO_WP	-1	/* Turn off without window probes */
-
-struct tcp_repair_opt {
-	__u32	opt_code;
-	__u32	opt_val;
-};
-
-struct tcp_repair_window {
-	__u32	snd_wl1;
-	__u32	snd_wnd;
-	__u32	max_window;
-
-	__u32	rcv_wnd;
-	__u32	rcv_wup;
-};
-
-enum {
-	TCP_NO_QUEUE,
-	TCP_RECV_QUEUE,
-	TCP_SEND_QUEUE,
-	TCP_QUEUES_NR,
-};
-
-/* why fastopen failed from client perspective */
-enum tcp_fastopen_client_fail {
-	TFO_STATUS_UNSPEC, /* catch-all */
-	TFO_COOKIE_UNAVAILABLE, /* if not in TFO_CLIENT_NO_COOKIE mode */
-	TFO_DATA_NOT_ACKED, /* SYN-ACK did not ack SYN data */
-	TFO_SYN_RETRANSMITTED, /* SYN-ACK did not ack SYN data after timeout */
-};
-
-/* for TCP_INFO socket option */
-#define TCPI_OPT_TIMESTAMPS	1
-#define TCPI_OPT_SACK		2
-#define TCPI_OPT_WSCALE		4
-#define TCPI_OPT_ECN		8 /* ECN was negociated at TCP session init */
-#define TCPI_OPT_ECN_SEEN	16 /* we received at least one packet with ECT */
-#define TCPI_OPT_SYN_DATA	32 /* SYN-ACK acked data in SYN sent or rcvd */
-
-/*
- * Sender's congestion state indicating normal or abnormal situations
- * in the last round of packets sent. The state is driven by the ACK
- * information and timer events.
- */
-enum tcp_ca_state {
-	/*
-	 * Nothing bad has been observed recently.
-	 * No apparent reordering, packet loss, or ECN marks.
-	 */
-	TCP_CA_Open = 0,
-#define TCPF_CA_Open	(1<<TCP_CA_Open)
-	/*
-	 * The sender enters disordered state when it has received DUPACKs or
-	 * SACKs in the last round of packets sent. This could be due to packet
-	 * loss or reordering but needs further information to confirm packets
-	 * have been lost.
-	 */
-	TCP_CA_Disorder = 1,
-#define TCPF_CA_Disorder (1<<TCP_CA_Disorder)
-	/*
-	 * The sender enters Congestion Window Reduction (CWR) state when it
-	 * has received ACKs with ECN-ECE marks, or has experienced congestion
-	 * or packet discard on the sender host (e.g. qdisc).
-	 */
-	TCP_CA_CWR = 2,
-#define TCPF_CA_CWR	(1<<TCP_CA_CWR)
-	/*
-	 * The sender is in fast recovery and retransmitting lost packets,
-	 * typically triggered by ACK events.
-	 */
-	TCP_CA_Recovery = 3,
-#define TCPF_CA_Recovery (1<<TCP_CA_Recovery)
-	/*
-	 * The sender is in loss recovery triggered by retransmission timeout.
-	 */
-	TCP_CA_Loss = 4
-#define TCPF_CA_Loss	(1<<TCP_CA_Loss)
-};
-
-struct tcp_info {
-	__u8	tcpi_state;
-	__u8	tcpi_ca_state;
-	__u8	tcpi_retransmits;
-	__u8	tcpi_probes;
-	__u8	tcpi_backoff;
-	__u8	tcpi_options;
-	__u8	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
-	__u8	tcpi_delivery_rate_app_limited:1, tcpi_fastopen_client_fail:2;
-
-	__u32	tcpi_rto;
-	__u32	tcpi_ato;
-	__u32	tcpi_snd_mss;
-	__u32	tcpi_rcv_mss;
-
-	__u32	tcpi_unacked;
-	__u32	tcpi_sacked;
-	__u32	tcpi_lost;
-	__u32	tcpi_retrans;
-	__u32	tcpi_fackets;
-
-	/* Times. */
-	__u32	tcpi_last_data_sent;
-	__u32	tcpi_last_ack_sent;     /* Not remembered, sorry. */
-	__u32	tcpi_last_data_recv;
-	__u32	tcpi_last_ack_recv;
-
-	/* Metrics. */
-	__u32	tcpi_pmtu;
-	__u32	tcpi_rcv_ssthresh;
-	__u32	tcpi_rtt;
-	__u32	tcpi_rttvar;
-	__u32	tcpi_snd_ssthresh;
-	__u32	tcpi_snd_cwnd;
-	__u32	tcpi_advmss;
-	__u32	tcpi_reordering;
-
-	__u32	tcpi_rcv_rtt;
-	__u32	tcpi_rcv_space;
-
-	__u32	tcpi_total_retrans;
-
-	__u64	tcpi_pacing_rate;
-	__u64	tcpi_max_pacing_rate;
-	__u64	tcpi_bytes_acked;    /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
-	__u64	tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
-	__u32	tcpi_segs_out;	     /* RFC4898 tcpEStatsPerfSegsOut */
-	__u32	tcpi_segs_in;	     /* RFC4898 tcpEStatsPerfSegsIn */
-
-	__u32	tcpi_notsent_bytes;
-	__u32	tcpi_min_rtt;
-	__u32	tcpi_data_segs_in;	/* RFC4898 tcpEStatsDataSegsIn */
-	__u32	tcpi_data_segs_out;	/* RFC4898 tcpEStatsDataSegsOut */
-
-	__u64   tcpi_delivery_rate;
-
-	__u64	tcpi_busy_time;      /* Time (usec) busy sending data */
-	__u64	tcpi_rwnd_limited;   /* Time (usec) limited by receive window */
-	__u64	tcpi_sndbuf_limited; /* Time (usec) limited by send buffer */
-
-	__u32	tcpi_delivered;
-	__u32	tcpi_delivered_ce;
-
-	__u64	tcpi_bytes_sent;     /* RFC4898 tcpEStatsPerfHCDataOctetsOut */
-	__u64	tcpi_bytes_retrans;  /* RFC4898 tcpEStatsPerfOctetsRetrans */
-	__u32	tcpi_dsack_dups;     /* RFC4898 tcpEStatsStackDSACKDups */
-	__u32	tcpi_reord_seen;     /* reordering events seen */
-
-	__u32	tcpi_rcv_ooopack;    /* Out-of-order packets received */
-
-	__u32	tcpi_snd_wnd;	     /* peer's advertised receive window after
-				      * scaling (bytes)
-				      */
-};
-
-/* netlink attributes types for SCM_TIMESTAMPING_OPT_STATS */
-enum {
-	TCP_NLA_PAD,
-	TCP_NLA_BUSY,		/* Time (usec) busy sending data */
-	TCP_NLA_RWND_LIMITED,	/* Time (usec) limited by receive window */
-	TCP_NLA_SNDBUF_LIMITED,	/* Time (usec) limited by send buffer */
-	TCP_NLA_DATA_SEGS_OUT,	/* Data pkts sent including retransmission */
-	TCP_NLA_TOTAL_RETRANS,	/* Data pkts retransmitted */
-	TCP_NLA_PACING_RATE,    /* Pacing rate in bytes per second */
-	TCP_NLA_DELIVERY_RATE,  /* Delivery rate in bytes per second */
-	TCP_NLA_SND_CWND,       /* Sending congestion window */
-	TCP_NLA_REORDERING,     /* Reordering metric */
-	TCP_NLA_MIN_RTT,        /* minimum RTT */
-	TCP_NLA_RECUR_RETRANS,  /* Recurring retransmits for the current pkt */
-	TCP_NLA_DELIVERY_RATE_APP_LMT, /* delivery rate application limited ? */
-	TCP_NLA_SNDQ_SIZE,	/* Data (bytes) pending in send queue */
-	TCP_NLA_CA_STATE,	/* ca_state of socket */
-	TCP_NLA_SND_SSTHRESH,	/* Slow start size threshold */
-	TCP_NLA_DELIVERED,	/* Data pkts delivered incl. out-of-order */
-	TCP_NLA_DELIVERED_CE,	/* Like above but only ones w/ CE marks */
-	TCP_NLA_BYTES_SENT,	/* Data bytes sent including retransmission */
-	TCP_NLA_BYTES_RETRANS,	/* Data bytes retransmitted */
-	TCP_NLA_DSACK_DUPS,	/* DSACK blocks received */
-	TCP_NLA_REORD_SEEN,	/* reordering events seen */
-	TCP_NLA_SRTT,		/* smoothed RTT in usecs */
-	TCP_NLA_TIMEOUT_REHASH, /* Timeout-triggered rehash attempts */
-	TCP_NLA_BYTES_NOTSENT,	/* Bytes in write queue not yet sent */
-	TCP_NLA_EDT,		/* Earliest departure time (CLOCK_MONOTONIC) */
-};
-
-/* for TCP_MD5SIG socket option */
-#define TCP_MD5SIG_MAXKEYLEN	80
-
-/* tcp_md5sig extension flags for TCP_MD5SIG_EXT */
-#define TCP_MD5SIG_FLAG_PREFIX		0x1	/* address prefix length */
-#define TCP_MD5SIG_FLAG_IFINDEX		0x2	/* ifindex set */
-
-struct tcp_md5sig {
-	struct __kernel_sockaddr_storage tcpm_addr;	/* address associated */
-	__u8	tcpm_flags;				/* extension flags */
-	__u8	tcpm_prefixlen;				/* address prefix */
-	__u16	tcpm_keylen;				/* key length */
-	int	tcpm_ifindex;				/* device index for scope */
-	__u8	tcpm_key[TCP_MD5SIG_MAXKEYLEN];		/* key (binary) */
-};
-
-/* INET_DIAG_MD5SIG */
-struct tcp_diag_md5sig {
-	__u8	tcpm_family;
-	__u8	tcpm_prefixlen;
-	__u16	tcpm_keylen;
-	__be32	tcpm_addr[4];
-	__u8	tcpm_key[TCP_MD5SIG_MAXKEYLEN];
-};
-
-/* setsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, ...) */
-
-#define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1
-struct tcp_zerocopy_receive {
-	__u64 address;		/* in: address of mapping */
-	__u32 length;		/* in/out: number of bytes to map/mapped */
-	__u32 recv_skip_hint;	/* out: amount of bytes to skip */
-	__u32 inq; /* out: amount of bytes in read queue */
-	__s32 err; /* out: socket error */
-	__u64 copybuf_address;	/* in: copybuf address (small reads) */
-	__s32 copybuf_len; /* in/out: copybuf bytes avail/used or error */
-	__u32 flags; /* in: flags */
-};
-#endif /* _UAPI_LINUX_TCP_H */
diff --git a/tools/lib/bpf/.gitignore b/tools/lib/bpf/.gitignore
index 8a81b36..5d4cfac 100644
--- a/tools/lib/bpf/.gitignore
+++ b/tools/lib/bpf/.gitignore
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 libbpf_version.h
 libbpf.pc
-FEATURE-DUMP.libbpf
 libbpf.so.*
 TAGS
 tags
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index f2a353b..76cf5ab 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -59,28 +59,7 @@
   VERBOSE = 0
 endif
 
-FEATURE_USER = .libbpf
-FEATURE_TESTS = libelf zlib bpf
-FEATURE_DISPLAY = libelf zlib bpf
-
 INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/include/uapi
-FEATURE_CHECK_CFLAGS-bpf = $(INCLUDES)
-
-check_feat := 1
-NON_CHECK_FEAT_TARGETS := clean TAGS tags cscope help
-ifdef MAKECMDGOALS
-ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
-  check_feat := 0
-endif
-endif
-
-ifeq ($(check_feat),1)
-ifeq ($(FEATURES_DUMP),)
-include $(srctree)/tools/build/Makefile.feature
-else
-include $(FEATURES_DUMP)
-endif
-endif
 
 export prefix libdir src obj
 
@@ -157,7 +136,7 @@
 
 all_cmd: $(CMD_TARGETS) check
 
-$(BPF_IN_SHARED): force elfdep zdep bpfdep $(BPF_HELPER_DEFS)
+$(BPF_IN_SHARED): force $(BPF_HELPER_DEFS)
 	@(test -f ../../include/uapi/linux/bpf.h -a -f ../../../include/uapi/linux/bpf.h && ( \
 	(diff -B ../../include/uapi/linux/bpf.h ../../../include/uapi/linux/bpf.h >/dev/null) || \
 	echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/bpf.h' differs from latest version at 'include/uapi/linux/bpf.h'" >&2 )) || true
@@ -175,7 +154,7 @@
 	echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'" >&2 )) || true
 	$(Q)$(MAKE) $(build)=libbpf OUTPUT=$(SHARED_OBJDIR) CFLAGS="$(CFLAGS) $(SHLIB_FLAGS)"
 
-$(BPF_IN_STATIC): force elfdep zdep bpfdep $(BPF_HELPER_DEFS)
+$(BPF_IN_STATIC): force $(BPF_HELPER_DEFS)
 	$(Q)$(MAKE) $(build)=libbpf OUTPUT=$(STATIC_OBJDIR)
 
 $(BPF_HELPER_DEFS): $(srctree)/tools/include/uapi/linux/bpf.h
@@ -264,34 +243,16 @@
 
 install: install_lib install_pkgconfig install_headers
 
-### Cleaning rules
-
-config-clean:
-	$(call QUIET_CLEAN, feature-detect)
-	$(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
-
-clean: config-clean
+clean:
 	$(call QUIET_CLEAN, libbpf) $(RM) -rf $(CMD_TARGETS)		     \
 		*~ .*.d .*.cmd LIBBPF-CFLAGS $(BPF_HELPER_DEFS)		     \
 		$(SHARED_OBJDIR) $(STATIC_OBJDIR)			     \
 		$(addprefix $(OUTPUT),					     \
 			    *.o *.a *.so *.so.$(LIBBPF_MAJOR_VERSION) *.pc)
-	$(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf
 
-
-
-PHONY += force elfdep zdep bpfdep cscope tags
+PHONY += force cscope tags
 force:
 
-elfdep:
-	@if [ "$(feature-libelf)" != "1" ]; then echo "No libelf found"; exit 1 ; fi
-
-zdep:
-	@if [ "$(feature-zlib)" != "1" ]; then echo "No zlib found"; exit 1 ; fi
-
-bpfdep:
-	@if [ "$(feature-bpf)" != "1" ]; then echo "BPF API too old"; exit 1 ; fi
-
 cscope:
 	ls *.c *.h > cscope.files
 	cscope -b -q -I $(srctree)/include -f cscope.out
diff --git a/tools/lib/subcmd/parse-options.c b/tools/lib/subcmd/parse-options.c
index 39ebf61..5c96dfd 100644
--- a/tools/lib/subcmd/parse-options.c
+++ b/tools/lib/subcmd/parse-options.c
@@ -637,10 +637,11 @@
 	/* build usage string if it's not provided */
 	if (subcommands && !usagestr[0]) {
 		char *buf = NULL;
+		int i;
 
 		astrcatf(&buf, "%s %s [<options>] {", subcmd_config.exec_name, argv[0]);
 
-		for (int i = 0; subcommands[i]; i++) {
+		for (i = 0; subcommands[i]; i++) {
 			if (i)
 				astrcat(&buf, "|");
 			astrcat(&buf, subcommands[i]);
@@ -666,7 +667,9 @@
 		exit(130);
 	case PARSE_OPT_LIST_SUBCMDS:
 		if (subcommands) {
-			for (int i = 0; subcommands[i]; i++)
+			int i;
+
+			for (i = 0; subcommands[i]; i++)
 				printf("%s ", subcommands[i]);
 		}
 		putchar('\n');
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index 447a49c..5b2f3a0 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -19,7 +19,7 @@
 #include "objtool.h"
 
 bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats,
-     validate_dup, vmlinux, sls, unret, rethunk;
+     validate_dup, vmlinux, mcount, noinstr, sls, unret, rethunk;
 
 static const char * const check_usage[] = {
 	"objtool check [<options>] file.o",
@@ -37,14 +37,16 @@
 	OPT_BOOLEAN('a', "uaccess", &uaccess, "enable uaccess checking"),
 	OPT_BOOLEAN('s', "stats", &stats, "print statistics"),
 	OPT_BOOLEAN('d', "duplicate", &validate_dup, "duplicate validation for vmlinux.o"),
+	OPT_BOOLEAN('n', "noinstr", &noinstr, "noinstr validation for vmlinux.o"),
 	OPT_BOOLEAN('l', "vmlinux", &vmlinux, "vmlinux.o validation"),
+	OPT_BOOLEAN('M', "mcount", &mcount, "generate __mcount_loc"),
 	OPT_BOOLEAN('S', "sls", &sls, "validate straight-line-speculation"),
 	OPT_END(),
 };
 
 int cmd_check(int argc, const char **argv)
 {
-	const char *objname, *s;
+	const char *objname;
 	struct objtool_file *file;
 	int ret;
 
@@ -55,10 +57,6 @@
 
 	objname = argv[0];
 
-	s = strstr(objname, "vmlinux.o");
-	if (s && !s[9])
-		vmlinux = true;
-
 	file = objtool_open_read(objname);
 	if (!file)
 		return 1;
diff --git a/tools/objtool/builtin.h b/tools/objtool/builtin.h
index 61d8d49..94e653d 100644
--- a/tools/objtool/builtin.h
+++ b/tools/objtool/builtin.h
@@ -9,7 +9,7 @@
 
 extern const struct option check_options[];
 extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats,
-            validate_dup, vmlinux, sls, unret, rethunk;
+            validate_dup, vmlinux, mcount, noinstr, sls, unret, rethunk;
 
 extern int cmd_check(int argc, const char **argv);
 extern int cmd_orc(int argc, const char **argv);
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 059b78d..9000d28 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -269,7 +269,7 @@
 	 * not correctly determine insn->call_dest->sec (external symbols do
 	 * not have a section).
 	 */
-	if (vmlinux && sec)
+	if (vmlinux && noinstr && sec)
 		state->noinstr = sec->noinstr;
 }
 
@@ -704,6 +704,49 @@
 	return 0;
 }
 
+static int create_mcount_loc_sections(struct objtool_file *file)
+{
+	struct section *sec;
+	unsigned long *loc;
+	struct instruction *insn;
+	int idx;
+
+	sec = find_section_by_name(file->elf, "__mcount_loc");
+	if (sec) {
+		INIT_LIST_HEAD(&file->mcount_loc_list);
+		WARN("file already has __mcount_loc section, skipping");
+		return 0;
+	}
+
+	if (list_empty(&file->mcount_loc_list))
+		return 0;
+
+	idx = 0;
+	list_for_each_entry(insn, &file->mcount_loc_list, mcount_loc_node)
+		idx++;
+
+	sec = elf_create_section(file->elf, "__mcount_loc", 0, sizeof(unsigned long), idx);
+	if (!sec)
+		return -1;
+
+	idx = 0;
+	list_for_each_entry(insn, &file->mcount_loc_list, mcount_loc_node) {
+
+		loc = (unsigned long *)sec->data->d_buf + idx;
+		memset(loc, 0, sizeof(unsigned long));
+
+		if (elf_add_reloc_to_insn(file->elf, sec,
+					  idx * sizeof(unsigned long),
+					  R_X86_64_64,
+					  insn->sec, insn->offset))
+			return -1;
+
+		idx++;
+	}
+
+	return 0;
+}
+
 /*
  * Warnings shouldn't be reported for ignored functions.
  */
@@ -750,7 +793,7 @@
 static const char *uaccess_safe_builtin[] = {
 	/* KASAN */
 	"kasan_report",
-	"check_memory_region",
+	"kasan_check_range",
 	/* KASAN out-of-line */
 	"__asan_loadN_noabort",
 	"__asan_load1_noabort",
@@ -1130,6 +1173,37 @@
 }
 
 /*
+ * CONFIG_CFI_CLANG: Check if the section is a CFI jump table or a
+ * compiler-generated CFI handler.
+ */
+static bool is_cfi_section(struct section *sec)
+{
+	return (sec->name &&
+		(!strncmp(sec->name, ".text..L.cfi.jumptable", 22) ||
+		 !strcmp(sec->name, ".text.__cfi_check")));
+}
+
+/*
+ * CONFIG_CFI_CLANG: Ignore CFI jump tables.
+ */
+static void add_cfi_jumptables(struct objtool_file *file)
+{
+	struct section *sec;
+	struct symbol *func;
+	struct instruction *insn;
+
+	for_each_sec(file, sec) {
+		if (!is_cfi_section(sec))
+			continue;
+
+		list_for_each_entry(func, &sec->symbol_list, list) {
+			sym_for_each_insn(file, func, insn)
+				insn->ignore = true;
+		}
+	}
+}
+
+/*
  * Find the destination instructions for all jumps.
  */
 static int add_jump_destinations(struct objtool_file *file)
@@ -1170,6 +1244,10 @@
 		}
 
 		insn->jump_dest = find_insn(file, dest_sec, dest_off);
+
+		if (!insn->jump_dest && dest_sec->len == dest_off)
+			insn->jump_dest = find_last_insn(file, dest_sec);
+
 		if (!insn->jump_dest) {
 			struct symbol *sym = find_symbol_by_offset(dest_sec, dest_off);
 
@@ -1181,6 +1259,9 @@
 			if (!strcmp(insn->sec->name, ".altinstr_replacement"))
 				continue;
 
+			if (is_cfi_section(insn->sec))
+				continue;
+
 			/*
 			 * This is a special case for retbleed_untrain_ret().
 			 * It jumps to __x86_return_thunk(), but objtool
@@ -1287,6 +1368,9 @@
 			dest_off = arch_dest_reloc_offset(reloc->addend);
 			dest = find_call_destination(reloc->sym->sec, dest_off);
 			if (!dest) {
+				if (is_cfi_section(reloc->sym->sec))
+					continue;
+
 				WARN_FUNC("can't find call dest symbol at %s+0x%lx",
 					  insn->sec, insn->offset,
 					  reloc->sym->sec->name,
@@ -1295,10 +1379,8 @@
 			}
 
 			add_call_dest(file, insn, dest, false);
-
 		} else if (reloc->sym->retpoline_thunk) {
 			add_retpoline_call(file, insn);
-
 		} else
 			add_call_dest(file, insn, reloc->sym, false);
 	}
@@ -2044,6 +2126,7 @@
 
 	add_ignores(file);
 	add_uaccess_safe(file);
+	add_cfi_jumptables(file);
 
 	ret = add_ignore_alternatives(file);
 	if (ret)
@@ -3572,6 +3655,13 @@
 		goto out;
 	warnings += ret;
 
+	if (mcount) {
+		ret = create_mcount_loc_sections(file);
+		if (ret < 0)
+			goto out;
+		warnings += ret;
+	}
+	
 	if (retpoline) {
 		ret = create_retpoline_sites_sections(file);
 		if (ret < 0)
diff --git a/tools/objtool/check.h b/tools/objtool/check.h
index 7f34a7f..6daa64d 100644
--- a/tools/objtool/check.h
+++ b/tools/objtool/check.h
@@ -39,6 +39,7 @@
 struct instruction {
 	struct list_head list;
 	struct hlist_node hash;
+	struct list_head mcount_loc_node;
 	struct list_head call_node;
 	struct section *sec;
 	unsigned long offset;
diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c
index cb2c6ac..f690355 100644
--- a/tools/objtool/objtool.c
+++ b/tools/objtool/objtool.c
@@ -64,6 +64,7 @@
 	INIT_LIST_HEAD(&file.retpoline_call_list);
 	INIT_LIST_HEAD(&file.return_thunk_list);
 	INIT_LIST_HEAD(&file.static_call_list);
+	INIT_LIST_HEAD(&file.mcount_loc_list);
 	file.c_file = !vmlinux && find_section_by_name(file.elf, ".comment");
 	file.ignore_unreachables = no_unreachable;
 	file.hints = false;
diff --git a/tools/objtool/objtool.h b/tools/objtool/objtool.h
index bf64946e..efd1a66 100644
--- a/tools/objtool/objtool.h
+++ b/tools/objtool/objtool.h
@@ -21,6 +21,7 @@
 	struct list_head retpoline_call_list;
 	struct list_head return_thunk_list;
 	struct list_head static_call_list;
+	struct list_head mcount_loc_list;
 	bool ignore_unreachables, c_file, hints, rodata;
 };
 
diff --git a/tools/testing/kunit/configs/broken_on_uml.config b/tools/testing/kunit/configs/broken_on_uml.config
index a7f0603..6908700 100644
--- a/tools/testing/kunit/configs/broken_on_uml.config
+++ b/tools/testing/kunit/configs/broken_on_uml.config
@@ -40,3 +40,5 @@
 # CONFIG_RESET_BRCMSTB_RESCAL is not set
 # CONFIG_RESET_INTEL_GW is not set
 # CONFIG_ADI_AXI_ADC is not set
+# CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_PAGE_POISONING is not set
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index db1e24d..81fc7d1 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -9,6 +9,7 @@
 TARGETS += core
 TARGETS += cpufreq
 TARGETS += cpu-hotplug
+TARGETS += damon
 TARGETS += drivers/dma-buf
 TARGETS += efivarfs
 TARGETS += exec
diff --git a/tools/testing/selftests/arm64/mte/Makefile b/tools/testing/selftests/arm64/mte/Makefile
index 4084ef1..df15d44a 100644
--- a/tools/testing/selftests/arm64/mte/Makefile
+++ b/tools/testing/selftests/arm64/mte/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright (C) 2020 ARM Limited
 
-CFLAGS += -std=gnu99 -I.
+CFLAGS += -std=gnu99 -I. -lpthread
 SRCS := $(filter-out mte_common_util.c,$(wildcard *.c))
 PROGS := $(patsubst %.c,%,$(SRCS))
 
diff --git a/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c b/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c
new file mode 100644
index 0000000..a876db1
--- /dev/null
+++ b/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2020 ARM Limited
+
+#define _GNU_SOURCE
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/auxv.h>
+#include <sys/mman.h>
+#include <sys/prctl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "kselftest.h"
+#include "mte_common_util.h"
+
+#define PR_SET_TAGGED_ADDR_CTRL 55
+#define PR_GET_TAGGED_ADDR_CTRL 56
+# define PR_TAGGED_ADDR_ENABLE  (1UL << 0)
+# define PR_MTE_TCF_SHIFT	1
+# define PR_MTE_TCF_NONE	(0UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_SYNC	(1UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_ASYNC	(2UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_MASK	(3UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TAG_SHIFT	3
+# define PR_MTE_TAG_MASK	(0xffffUL << PR_MTE_TAG_SHIFT)
+
+#include "mte_def.h"
+
+#define NUM_ITERATIONS		1024
+#define MAX_THREADS		5
+#define THREAD_ITERATIONS	1000
+
+void *execute_thread(void *x)
+{
+	pid_t pid = *((pid_t *)x);
+	pid_t tid = gettid();
+	uint64_t prctl_tag_mask;
+	uint64_t prctl_set;
+	uint64_t prctl_get;
+	uint64_t prctl_tcf;
+
+	srand(time(NULL) ^ (pid << 16) ^ (tid << 16));
+
+	prctl_tag_mask = rand() & 0xffff;
+
+	if (prctl_tag_mask % 2)
+		prctl_tcf = PR_MTE_TCF_SYNC;
+	else
+		prctl_tcf = PR_MTE_TCF_ASYNC;
+
+	prctl_set = PR_TAGGED_ADDR_ENABLE | prctl_tcf | (prctl_tag_mask << PR_MTE_TAG_SHIFT);
+
+	for (int j = 0; j < THREAD_ITERATIONS; j++) {
+		if (prctl(PR_SET_TAGGED_ADDR_CTRL, prctl_set, 0, 0, 0)) {
+			perror("prctl() failed");
+			goto fail;
+		}
+
+		prctl_get = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
+
+		if (prctl_set != prctl_get) {
+			ksft_print_msg("Error: prctl_set: 0x%lx != prctl_get: 0x%lx\n",
+						prctl_set, prctl_get);
+			goto fail;
+		}
+	}
+
+	return (void *)KSFT_PASS;
+
+fail:
+	return (void *)KSFT_FAIL;
+}
+
+int execute_test(pid_t pid)
+{
+	pthread_t thread_id[MAX_THREADS];
+	int thread_data[MAX_THREADS];
+
+	for (int i = 0; i < MAX_THREADS; i++)
+		pthread_create(&thread_id[i], NULL,
+			       execute_thread, (void *)&pid);
+
+	for (int i = 0; i < MAX_THREADS; i++)
+		pthread_join(thread_id[i], (void *)&thread_data[i]);
+
+	for (int i = 0; i < MAX_THREADS; i++)
+		if (thread_data[i] == KSFT_FAIL)
+			return KSFT_FAIL;
+
+	return KSFT_PASS;
+}
+
+int mte_gcr_fork_test(void)
+{
+	pid_t pid;
+	int results[NUM_ITERATIONS];
+	pid_t cpid;
+	int res;
+
+	for (int i = 0; i < NUM_ITERATIONS; i++) {
+		pid = fork();
+
+		if (pid < 0)
+			return KSFT_FAIL;
+
+		if (pid == 0) {
+			cpid = getpid();
+
+			res = execute_test(cpid);
+
+			exit(res);
+		}
+	}
+
+	for (int i = 0; i < NUM_ITERATIONS; i++) {
+		wait(&res);
+
+		if (WIFEXITED(res))
+			results[i] = WEXITSTATUS(res);
+		else
+			--i;
+	}
+
+	for (int i = 0; i < NUM_ITERATIONS; i++)
+		if (results[i] == KSFT_FAIL)
+			return KSFT_FAIL;
+
+	return KSFT_PASS;
+}
+
+int main(int argc, char *argv[])
+{
+	int err;
+
+	err = mte_default_setup();
+	if (err)
+		return err;
+
+	ksft_set_plan(1);
+
+	evaluate_test(mte_gcr_fork_test(),
+		"Verify that GCR_EL1 is set correctly on context switch\n");
+
+	mte_restore_setup();
+	ksft_print_cnts();
+
+	return ksft_get_fail_cnt() == 0 ? KSFT_PASS : KSFT_FAIL;
+}
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index a845724..d110144 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-include ../../../../scripts/Kbuild.include
+include ../../../build/Build.include
 include ../../../scripts/Makefile.arch
 
 CXX ?= $(CROSS_COMPILE)g++
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
index 37c5494..9a8f47f 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
@@ -2,7 +2,6 @@
 /* Copyright (c) 2019 Facebook */
 
 #include <linux/err.h>
-#include <netinet/tcp.h>
 #include <test_progs.h>
 #include "bpf_dctcp.skel.h"
 #include "bpf_cubic.skel.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
index e075d03..9781d85 100644
--- a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
@@ -7,7 +7,6 @@
 #include <string.h>
 
 #include <linux/pkt_cls.h>
-#include <netinet/tcp.h>
 
 #include <test_progs.h>
 
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index b8b48ca..85f7326 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (c) 2020 Cloudflare
 #include <error.h>
-#include <netinet/tcp.h>
 
 #include "test_progs.h"
 #include "test_skmsg_load_helpers.skel.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_sk.c b/tools/testing/selftests/bpf/prog_tests/sockopt_sk.c
index d5b44b1..b25c9c4 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockopt_sk.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_sk.c
@@ -2,12 +2,6 @@
 #include <test_progs.h>
 #include "cgroup_helpers.h"
 
-#include <linux/tcp.h>
-
-#ifndef SOL_TCP
-#define SOL_TCP IPPROTO_TCP
-#endif
-
 #define SOL_CUSTOM			0xdeadbeef
 
 static int getsetsockopt(void)
@@ -17,7 +11,6 @@
 		char u8[4];
 		__u32 u32;
 		char cc[16]; /* TCP_CA_NAME_MAX */
-		struct tcp_zerocopy_receive zc;
 	} buf = {};
 	socklen_t optlen;
 	char *big_buf = NULL;
@@ -161,27 +154,6 @@
 		goto err;
 	}
 
-	/* TCP_ZEROCOPY_RECEIVE triggers */
-	memset(&buf, 0, sizeof(buf));
-	optlen = sizeof(buf.zc);
-	err = getsockopt(fd, SOL_TCP, TCP_ZEROCOPY_RECEIVE, &buf, &optlen);
-	if (err) {
-		log_err("Unexpected getsockopt(TCP_ZEROCOPY_RECEIVE) err=%d errno=%d",
-			err, errno);
-		goto err;
-	}
-
-	memset(&buf, 0, sizeof(buf));
-	buf.zc.address = 12345; /* rejected by BPF */
-	optlen = sizeof(buf.zc);
-	errno = 0;
-	err = getsockopt(fd, SOL_TCP, TCP_ZEROCOPY_RECEIVE, &buf, &optlen);
-	if (errno != EPERM) {
-		log_err("Unexpected getsockopt(TCP_ZEROCOPY_RECEIVE) err=%d errno=%d",
-			err, errno);
-		goto err;
-	}
-
 	free(big_buf);
 	close(fd);
 	return 0;
diff --git a/tools/testing/selftests/bpf/progs/sockopt_sk.c b/tools/testing/selftests/bpf/progs/sockopt_sk.c
index d3597f8..712df7b4 100644
--- a/tools/testing/selftests/bpf/progs/sockopt_sk.c
+++ b/tools/testing/selftests/bpf/progs/sockopt_sk.c
@@ -1,8 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <string.h>
-#include <linux/tcp.h>
-#include <linux/bpf.h>
 #include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <linux/bpf.h>
 #include <bpf/bpf_helpers.h>
 
 char _license[] SEC("license") = "GPL";
@@ -12,10 +12,6 @@
 #define PAGE_SIZE 4096
 #endif
 
-#ifndef SOL_TCP
-#define SOL_TCP IPPROTO_TCP
-#endif
-
 #define SOL_CUSTOM			0xdeadbeef
 
 struct sockopt_sk {
@@ -61,21 +57,6 @@
 		return 1;
 	}
 
-	if (ctx->level == SOL_TCP && ctx->optname == TCP_ZEROCOPY_RECEIVE) {
-		/* Verify that TCP_ZEROCOPY_RECEIVE triggers.
-		 * It has a custom implementation for performance
-		 * reasons.
-		 */
-
-		if (optval + sizeof(struct tcp_zerocopy_receive) > optval_end)
-			return 0; /* EPERM, bounds check */
-
-		if (((struct tcp_zerocopy_receive *)optval)->address != 0)
-			return 0; /* EPERM, unexpected data */
-
-		return 1;
-	}
-
 	if (ctx->level == SOL_IP && ctx->optname == IP_FREEBIND) {
 		if (optval + 1 > optval_end)
 			return 0; /* EPERM, bounds check */
diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h
index 1d429d6..238f5f6 100644
--- a/tools/testing/selftests/bpf/test_progs.h
+++ b/tools/testing/selftests/bpf/test_progs.h
@@ -16,6 +16,7 @@
 #include <linux/if_packet.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>
+#include <netinet/tcp.h>
 #include <linux/filter.h>
 #include <linux/perf_event.h>
 #include <linux/socket.h>
diff --git a/tools/testing/selftests/damon/Makefile b/tools/testing/selftests/damon/Makefile
new file mode 100644
index 0000000..8a3f2cd
--- /dev/null
+++ b/tools/testing/selftests/damon/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for damon selftests
+
+TEST_FILES = _chk_dependency.sh
+TEST_PROGS = debugfs_attrs.sh
+
+include ../lib.mk
diff --git a/tools/testing/selftests/damon/_chk_dependency.sh b/tools/testing/selftests/damon/_chk_dependency.sh
new file mode 100644
index 0000000..0189db8
--- /dev/null
+++ b/tools/testing/selftests/damon/_chk_dependency.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+DBGFS=/sys/kernel/debug/damon
+
+if [ $EUID -ne 0 ];
+then
+	echo "Run as root"
+	exit $ksft_skip
+fi
+
+if [ ! -d "$DBGFS" ]
+then
+	echo "$DBGFS not found"
+	exit $ksft_skip
+fi
+
+for f in attrs target_ids monitor_on
+do
+	if [ ! -f "$DBGFS/$f" ]
+	then
+		echo "$f not found"
+		exit 1
+	fi
+done
diff --git a/tools/testing/selftests/damon/debugfs_attrs.sh b/tools/testing/selftests/damon/debugfs_attrs.sh
new file mode 100644
index 0000000..196b664
--- /dev/null
+++ b/tools/testing/selftests/damon/debugfs_attrs.sh
@@ -0,0 +1,88 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+test_write_result() {
+	file=$1
+	content=$2
+	orig_content=$3
+	expect_reason=$4
+	expected=$5
+
+	echo "$content" > "$file"
+	if [ $? -ne "$expected" ]
+	then
+		echo "writing $content to $file doesn't return $expected"
+		echo "expected because: $expect_reason"
+		echo "$orig_content" > "$file"
+		exit 1
+	fi
+}
+
+test_write_succ() {
+	test_write_result "$1" "$2" "$3" "$4" 0
+}
+
+test_write_fail() {
+	test_write_result "$1" "$2" "$3" "$4" 1
+}
+
+test_content() {
+	file=$1
+	orig_content=$2
+	expected=$3
+	expect_reason=$4
+
+	content=$(cat "$file")
+	if [ "$content" != "$expected" ]
+	then
+		echo "reading $file expected $expected but $content"
+		echo "expected because: $expect_reason"
+		echo "$orig_content" > "$file"
+		exit 1
+	fi
+}
+
+source ./_chk_dependency.sh
+
+# Test attrs file
+# ===============
+
+file="$DBGFS/attrs"
+orig_content=$(cat "$file")
+
+test_write_succ "$file" "1 2 3 4 5" "$orig_content" "valid input"
+test_write_fail "$file" "1 2 3 4" "$orig_content" "no enough fields"
+test_write_fail "$file" "1 2 3 5 4" "$orig_content" \
+	"min_nr_regions > max_nr_regions"
+test_content "$file" "$orig_content" "1 2 3 4 5" "successfully written"
+echo "$orig_content" > "$file"
+
+# Test schemes file
+# =================
+
+file="$DBGFS/schemes"
+orig_content=$(cat "$file")
+
+test_write_succ "$file" "1 2 3 4 5 6 4 0 0 0 1 2 3 1 100 3 2 1" \
+	"$orig_content" "valid input"
+test_write_fail "$file" "1 2
+3 4 5 6 3 0 0 0 1 2 3 1 100 3 2 1" "$orig_content" "multi lines"
+test_write_succ "$file" "" "$orig_content" "disabling"
+echo "$orig_content" > "$file"
+
+# Test target_ids file
+# ====================
+
+file="$DBGFS/target_ids"
+orig_content=$(cat "$file")
+
+test_write_succ "$file" "1 2 3 4" "$orig_content" "valid input"
+test_write_succ "$file" "1 2 abc 4" "$orig_content" "still valid input"
+test_content "$file" "$orig_content" "1 2" "non-integer was there"
+test_write_succ "$file" "abc 2 3" "$orig_content" "the file allows wrong input"
+test_content "$file" "$orig_content" "" "wrong input written"
+test_write_succ "$file" "" "$orig_content" "empty input"
+test_content "$file" "$orig_content" "" "empty input written"
+echo "$orig_content" > "$file"
+
+echo "PASS"
diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
index 477cbb0..0315955 100644
--- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
+++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
@@ -62,6 +62,9 @@
 	struct binder_version version = { 0 };
 	char binderfs_mntpt[] = P_tmpdir "/binderfs_XXXXXX",
 		device_path[sizeof(P_tmpdir "/binderfs_XXXXXX/") + BINDERFS_MAX_NAME];
+	static const char * const binder_features[] = {
+		"oneway_spam_detection",
+	};
 
 	change_mountns(_metadata);
 
@@ -150,6 +153,20 @@
 	}
 
 	/* success: binder-control device removal failed as expected */
+
+	for (int i = 0; i < ARRAY_SIZE(binder_features); i++) {
+		snprintf(device_path, sizeof(device_path), "%s/features/%s",
+			 binderfs_mntpt, binder_features[i]);
+		fd = open(device_path, O_CLOEXEC | O_RDONLY);
+		EXPECT_GE(fd, 0) {
+			TH_LOG("%s - Failed to open binder feature: %s",
+				strerror(errno), binder_features[i]);
+			goto umount;
+		}
+		close(fd);
+	}
+
+	/* success: binder feature files found */
 	result = 0;
 
 umount:
diff --git a/tools/testing/selftests/filesystems/fuse/.gitignore b/tools/testing/selftests/filesystems/fuse/.gitignore
new file mode 100644
index 0000000..3ee9a27
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/.gitignore
@@ -0,0 +1,2 @@
+fuse_test
+*.raw
diff --git a/tools/testing/selftests/filesystems/fuse/Makefile b/tools/testing/selftests/filesystems/fuse/Makefile
new file mode 100644
index 0000000..9e7420a
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/Makefile
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: GPL-2.0
+CFLAGS += -D_FILE_OFFSET_BITS=64 -Wall -Werror -I../.. -I../../../../..
+LDLIBS := -lpthread -lelf
+TEST_GEN_PROGS := fuse_test fuse_daemon
+TEST_GEN_FILES := \
+	test_bpf.bpf \
+	fd_bpf.bpf \
+	fd.sh \
+
+EXTRA_CLEAN := *.bpf
+BPF_FLAGS = -Wall -Werror -O2 -g -emit-llvm \
+	    -I ../../../../../include \
+	    -idirafter /usr/lib/gcc/x86_64-linux-gnu/10/include \
+	    -idirafter /usr/local/include \
+	    -idirafter /usr/include/x86_64-linux-gnu \
+	    -idirafter /usr/include \
+
+include ../../lib.mk
+
+# Put after include ../../lib.mk since that changes $(TEST_GEN_PROGS)
+# Otherwise you get multiple targets, this becomes the default, and it's a mess
+EXTRA_SOURCES := bpf_loader.c
+$(TEST_GEN_PROGS) : $(EXTRA_SOURCES)
+
+$(OUTPUT)/%.ir: %.c
+	clang $(BPF_FLAGS) -c $< -o $@
+
+$(OUTPUT)/%.bpf: $(OUTPUT)/%.ir
+	llc -march=bpf -filetype=obj -o $@ $<
+
+$(OUTPUT)/fd.sh: fd.txt
+	cp $< $@
+	chmod 755 $@
+
diff --git a/tools/testing/selftests/filesystems/fuse/bpf_loader.c b/tools/testing/selftests/filesystems/fuse/bpf_loader.c
new file mode 100644
index 0000000..933d97b
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/bpf_loader.c
@@ -0,0 +1,780 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC
+ */
+
+#include "test_fuse.h"
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <libelf.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
+#include <sys/xattr.h>
+
+#include <linux/unistd.h>
+
+#include <include/uapi/linux/fuse.h>
+#include <include/uapi/linux/bpf.h>
+
+struct _test_options test_options;
+
+struct s s(const char *s1)
+{
+	struct s s = {0};
+
+	if (!s1)
+		return s;
+
+	s.s = malloc(strlen(s1) + 1);
+	if (!s.s)
+		return s;
+
+	strcpy(s.s, s1);
+	return s;
+}
+
+struct s sn(const char *s1, const char *s2)
+{
+	struct s s = {0};
+
+	if (!s1)
+		return s;
+
+	s.s = malloc(s2 - s1 + 1);
+	if (!s.s)
+		return s;
+
+	strncpy(s.s, s1, s2 - s1);
+	s.s[s2 - s1] = 0;
+	return s;
+}
+
+int s_cmp(struct s s1, struct s s2)
+{
+	int result = -1;
+
+	if (!s1.s || !s2.s)
+		goto out;
+	result = strcmp(s1.s, s2.s);
+out:
+	free(s1.s);
+	free(s2.s);
+	return result;
+}
+
+struct s s_cat(struct s s1, struct s s2)
+{
+	struct s s = {0};
+
+	if (!s1.s || !s2.s)
+		goto out;
+
+	s.s = malloc(strlen(s1.s) + strlen(s2.s) + 1);
+	if (!s.s)
+		goto out;
+
+	strcpy(s.s, s1.s);
+	strcat(s.s, s2.s);
+out:
+	free(s1.s);
+	free(s2.s);
+	return s;
+}
+
+struct s s_splitleft(struct s s1, char c)
+{
+	struct s s = {0};
+	char *split;
+
+	if (!s1.s)
+		return s;
+
+	split = strchr(s1.s, c);
+	if (split)
+		s = sn(s1.s, split);
+
+	free(s1.s);
+	return s;
+}
+
+struct s s_splitright(struct s s1, char c)
+{
+	struct s s2 = {0};
+	char *split;
+
+	if (!s1.s)
+		return s2;
+
+	split = strchr(s1.s, c);
+	if (split)
+		s2 = s(split + 1);
+
+	free(s1.s);
+	return s2;
+}
+
+struct s s_word(struct s s1, char c, size_t n)
+{
+	while (n--)
+		s1 = s_splitright(s1, c);
+	return s_splitleft(s1, c);
+}
+
+struct s s_path(struct s s1, struct s s2)
+{
+	return s_cat(s_cat(s1, s("/")), s2);
+}
+
+struct s s_pathn(size_t n, struct s s1, ...)
+{
+	va_list argp;
+
+	va_start(argp, s1);
+	while (--n)
+		s1 = s_path(s1, va_arg(argp, struct s));
+	va_end(argp);
+	return s1;
+}
+
+int s_link(struct s src_pathname, struct s dst_pathname)
+{
+	int res;
+
+	if (src_pathname.s && dst_pathname.s) {
+		res = link(src_pathname.s, dst_pathname.s);
+	} else {
+		res = -1;
+		errno = ENOMEM;
+	}
+
+	free(src_pathname.s);
+	free(dst_pathname.s);
+	return res;
+}
+
+int s_symlink(struct s src_pathname, struct s dst_pathname)
+{
+	int res;
+
+	if (src_pathname.s && dst_pathname.s) {
+		res = symlink(src_pathname.s, dst_pathname.s);
+	} else {
+		res = -1;
+		errno = ENOMEM;
+	}
+
+	free(src_pathname.s);
+	free(dst_pathname.s);
+	return res;
+}
+
+
+int s_mkdir(struct s pathname, mode_t mode)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = mkdir(pathname.s, mode);
+	free(pathname.s);
+	return res;
+}
+
+int s_rmdir(struct s pathname)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = rmdir(pathname.s);
+	free(pathname.s);
+	return res;
+}
+
+int s_unlink(struct s pathname)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = unlink(pathname.s);
+	free(pathname.s);
+	return res;
+}
+
+int s_open(struct s pathname, int flags, ...)
+{
+	va_list ap;
+	int res;
+
+	va_start(ap, flags);
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	if (flags & (O_CREAT | O_TMPFILE))
+		res = open(pathname.s, flags, va_arg(ap, mode_t));
+	else
+		res = open(pathname.s, flags);
+
+	free(pathname.s);
+	va_end(ap);
+	return res;
+}
+
+int s_openat(int dirfd, struct s pathname, int flags, ...)
+{
+	va_list ap;
+	int res;
+
+	va_start(ap, flags);
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	if (flags & (O_CREAT | O_TMPFILE))
+		res = openat(dirfd, pathname.s, flags, va_arg(ap, mode_t));
+	else
+		res = openat(dirfd, pathname.s, flags);
+
+	free(pathname.s);
+	va_end(ap);
+	return res;
+}
+
+int s_creat(struct s pathname, mode_t mode)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = open(pathname.s, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, mode);
+	free(pathname.s);
+	return res;
+}
+
+int s_mkfifo(struct s pathname, mode_t mode)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = mknod(pathname.s, S_IFIFO | mode, 0);
+	free(pathname.s);
+	return res;
+}
+
+int s_stat(struct s pathname, struct stat *st)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = stat(pathname.s, st);
+	free(pathname.s);
+	return res;
+}
+
+int s_statfs(struct s pathname, struct statfs *st)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = statfs(pathname.s, st);
+	free(pathname.s);
+	return res;
+}
+
+DIR *s_opendir(struct s pathname)
+{
+	DIR *res;
+
+	res = opendir(pathname.s);
+	free(pathname.s);
+	return res;
+}
+
+int s_getxattr(struct s pathname, const char name[], void *value, size_t size,
+	       ssize_t *ret_size)
+{
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	*ret_size = getxattr(pathname.s, name, value, size);
+	free(pathname.s);
+	return *ret_size >= 0 ? 0 : -1;
+}
+
+int s_listxattr(struct s pathname, void *list, size_t size, ssize_t *ret_size)
+{
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	*ret_size = listxattr(pathname.s, list, size);
+	free(pathname.s);
+	return *ret_size >= 0 ? 0 : -1;
+}
+
+int s_setxattr(struct s pathname, const char name[], const void *value, size_t size, int flags)
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = setxattr(pathname.s, name, value, size, flags);
+	free(pathname.s);
+	return res;
+}
+
+int s_removexattr(struct s pathname, const char name[])
+{
+	int res;
+
+	if (!pathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = removexattr(pathname.s, name);
+	free(pathname.s);
+	return res;
+}
+
+int s_rename(struct s oldpathname, struct s newpathname)
+{
+	int res;
+
+	if (!oldpathname.s || !newpathname.s) {
+		errno = ENOMEM;
+		return -1;
+	}
+
+	res = rename(oldpathname.s, newpathname.s);
+	free(oldpathname.s);
+	free(newpathname.s);
+	return res;
+}
+
+int s_fuse_attr(struct s pathname, struct fuse_attr *fuse_attr_out)
+{
+
+	struct stat st;
+	int result = TEST_FAILURE;
+
+	TESTSYSCALL(s_stat(pathname, &st));
+
+	fuse_attr_out->ino = st.st_ino;
+	fuse_attr_out->mode = st.st_mode;
+	fuse_attr_out->nlink = st.st_nlink;
+	fuse_attr_out->uid = st.st_uid;
+	fuse_attr_out->gid = st.st_gid;
+	fuse_attr_out->rdev = st.st_rdev;
+	fuse_attr_out->size = st.st_size;
+	fuse_attr_out->blksize = st.st_blksize;
+	fuse_attr_out->blocks = st.st_blocks;
+	fuse_attr_out->atime = st.st_atime;
+	fuse_attr_out->mtime = st.st_mtime;
+	fuse_attr_out->ctime = st.st_ctime;
+	fuse_attr_out->atimensec = UINT32_MAX;
+	fuse_attr_out->mtimensec = UINT32_MAX;
+	fuse_attr_out->ctimensec = UINT32_MAX;
+
+	result = TEST_SUCCESS;
+out:
+	return result;
+}
+
+struct s tracing_folder(void)
+{
+	struct s trace = {0};
+	FILE *mounts = NULL;
+	char *line = NULL;
+	size_t size = 0;
+
+	TEST(mounts = fopen("/proc/mounts", "re"), mounts);
+	while (getline(&line, &size, mounts) != -1) {
+		if (!s_cmp(s_word(sn(line, line + size), ' ', 2),
+			   s("tracefs"))) {
+			trace = s_word(sn(line, line + size), ' ', 1);
+			break;
+		}
+
+		if (!s_cmp(s_word(sn(line, line + size), ' ', 2), s("debugfs")))
+			trace = s_path(s_word(sn(line, line + size), ' ', 1),
+				       s("tracing"));
+	}
+
+out:
+	free(line);
+	fclose(mounts);
+	return trace;
+}
+
+int tracing_on(void)
+{
+	int result = TEST_FAILURE;
+	int tracing_on = -1;
+
+	TEST(tracing_on = s_open(s_path(tracing_folder(), s("tracing_on")),
+				 O_WRONLY | O_CLOEXEC),
+	     tracing_on != -1);
+	TESTEQUAL(write(tracing_on, "1", 1), 1);
+	result = TEST_SUCCESS;
+out:
+	close(tracing_on);
+	return result;
+}
+
+char *concat_file_name(const char *dir, const char *file)
+{
+	char full_name[FILENAME_MAX] = "";
+
+	if (snprintf(full_name, ARRAY_SIZE(full_name), "%s/%s", dir, file) < 0)
+		return NULL;
+	return strdup(full_name);
+}
+
+char *setup_mount_dir(const char *name)
+{
+	struct stat st;
+	char *current_dir = getcwd(NULL, 0);
+	char *mount_dir = concat_file_name(current_dir, name);
+
+	free(current_dir);
+	if (stat(mount_dir, &st) == 0) {
+		if (S_ISDIR(st.st_mode))
+			return mount_dir;
+
+		ksft_print_msg("%s is a file, not a dir.\n", mount_dir);
+		return NULL;
+	}
+
+	if (mkdir(mount_dir, 0777)) {
+		ksft_print_msg("Can't create mount dir.");
+		return NULL;
+	}
+
+	return mount_dir;
+}
+
+int delete_dir_tree(const char *dir_path, bool remove_root)
+{
+	DIR *dir = NULL;
+	struct dirent *dp;
+	int result = 0;
+
+	dir = opendir(dir_path);
+	if (!dir) {
+		result = -errno;
+		goto out;
+	}
+
+	while ((dp = readdir(dir))) {
+		char *full_path;
+
+		if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+			continue;
+
+		full_path = concat_file_name(dir_path, dp->d_name);
+		if (dp->d_type == DT_DIR)
+			result = delete_dir_tree(full_path, true);
+		else
+			result = unlink(full_path);
+		free(full_path);
+		if (result)
+			goto out;
+	}
+
+out:
+	if (dir)
+		closedir(dir);
+	if (!result && remove_root)
+		rmdir(dir_path);
+	return result;
+}
+
+static int mount_fuse_maybe_init(const char *mount_dir, int bpf_fd, int dir_fd,
+			     int *fuse_dev_ptr, bool init)
+{
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	char options[FILENAME_MAX];
+	uint8_t bytes_in[FUSE_MIN_READ_BUFFER];
+	uint8_t bytes_out[FUSE_MIN_READ_BUFFER];
+
+	DECL_FUSE_IN(init);
+
+	TEST(fuse_dev = open("/dev/fuse", O_RDWR | O_CLOEXEC), fuse_dev != -1);
+	snprintf(options, FILENAME_MAX, "fd=%d,user_id=0,group_id=0,rootmode=0040000",
+		 fuse_dev);
+	if (bpf_fd != -1)
+		snprintf(options + strlen(options),
+			 sizeof(options) - strlen(options),
+			 ",root_bpf=%d", bpf_fd);
+	if (dir_fd != -1)
+		snprintf(options + strlen(options),
+			 sizeof(options) - strlen(options),
+			 ",root_dir=%d", dir_fd);
+	TESTSYSCALL(mount("ABC", mount_dir, "fuse", 0, options));
+
+	if (init) {
+		TESTFUSEIN(FUSE_INIT, init_in);
+		TESTEQUAL(init_in->major, FUSE_KERNEL_VERSION);
+		TESTEQUAL(init_in->minor, FUSE_KERNEL_MINOR_VERSION);
+		TESTFUSEOUT1(fuse_init_out, ((struct fuse_init_out) {
+			.major = FUSE_KERNEL_VERSION,
+			.minor = FUSE_KERNEL_MINOR_VERSION,
+			.max_readahead = 4096,
+			.flags = 0,
+			.max_background = 0,
+			.congestion_threshold = 0,
+			.max_write = 4096,
+			.time_gran = 1000,
+			.max_pages = 12,
+			.map_alignment = 4096,
+		}));
+	}
+
+	*fuse_dev_ptr = fuse_dev;
+	fuse_dev = -1;
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	return result;
+}
+
+int mount_fuse(const char *mount_dir, int bpf_fd, int dir_fd, int *fuse_dev_ptr)
+{
+	return mount_fuse_maybe_init(mount_dir, bpf_fd, dir_fd, fuse_dev_ptr,
+				     true);
+}
+
+int mount_fuse_no_init(const char *mount_dir, int bpf_fd, int dir_fd,
+		       int *fuse_dev_ptr)
+{
+	return mount_fuse_maybe_init(mount_dir, bpf_fd, dir_fd, fuse_dev_ptr,
+				     false);
+}
+
+struct fuse_bpf_map {
+	unsigned int map_type;
+	size_t key_size;
+	size_t value_size;
+	unsigned int max_entries;
+};
+
+static int install_maps(Elf_Data *maps, int maps_index, Elf *elf,
+			Elf_Data *symbols, int symbol_index,
+			struct map_relocation **mr, size_t *map_count)
+{
+	int result = TEST_FAILURE;
+	int i;
+	GElf_Sym symbol;
+
+	TESTNE((void *)symbols, NULL);
+
+	for (i = 0; i < symbols->d_size / sizeof(symbol); ++i) {
+		TESTNE((void *)gelf_getsym(symbols, i, &symbol), 0);
+		if (symbol.st_shndx == maps_index) {
+			struct fuse_bpf_map *map;
+			union bpf_attr attr;
+			int map_fd;
+
+			map = (struct fuse_bpf_map *)
+				((char *)maps->d_buf + symbol.st_value);
+
+			attr = (union bpf_attr) {
+				.map_type = map->map_type,
+				.key_size = map->key_size,
+				.value_size = map->value_size,
+				.max_entries = map->max_entries,
+			};
+
+			TEST(*mr = realloc(*mr, ++*map_count *
+					   sizeof(struct fuse_bpf_map)),
+			     *mr);
+			TEST(map_fd = syscall(__NR_bpf, BPF_MAP_CREATE,
+					      &attr, sizeof(attr)),
+			     map_fd != -1);
+			(*mr)[*map_count - 1] = (struct map_relocation) {
+				.name = strdup(elf_strptr(elf, symbol_index,
+							  symbol.st_name)),
+				.fd = map_fd,
+				.value = symbol.st_value,
+			};
+		}
+	}
+
+	result = TEST_SUCCESS;
+out:
+	return result;
+}
+
+static inline int relocate_maps(GElf_Shdr *rel_header, Elf_Data *rel_data,
+			 Elf_Data *prog_data, Elf_Data *symbol_data,
+			 struct map_relocation *map_relocations,
+			 size_t map_count)
+{
+	int result = TEST_FAILURE;
+	int i;
+	struct bpf_insn *insns = (struct bpf_insn *) prog_data->d_buf;
+
+	for (i = 0; i < rel_header->sh_size / rel_header->sh_entsize; ++i) {
+		GElf_Sym sym;
+		GElf_Rel rel;
+		unsigned int insn_idx;
+		int map_idx;
+
+		gelf_getrel(rel_data, i, &rel);
+		insn_idx = rel.r_offset / sizeof(struct bpf_insn);
+		insns[insn_idx].src_reg = BPF_PSEUDO_MAP_FD;
+
+		gelf_getsym(symbol_data, GELF_R_SYM(rel.r_info), &sym);
+		for (map_idx = 0; map_idx < map_count; map_idx++) {
+			if (map_relocations[map_idx].value == sym.st_value) {
+				insns[insn_idx].imm =
+					map_relocations[map_idx].fd;
+				break;
+			}
+		}
+		TESTNE(map_idx, map_count);
+	}
+
+	result = TEST_SUCCESS;
+out:
+	return result;
+}
+
+int install_elf_bpf(const char *file, const char *section, int *fd,
+		    struct map_relocation **map_relocations, size_t *map_count)
+{
+	int result = TEST_FAILURE;
+	char path[PATH_MAX] = {};
+	char *last_slash;
+	int filter_fd = -1;
+	union bpf_attr bpf_attr;
+	static char log[1 << 20];
+	Elf *elf = NULL;
+	GElf_Ehdr ehdr;
+	Elf_Data *data_prog = NULL, *data_maps = NULL, *data_symbols = NULL;
+	int maps_index, symbol_index, prog_index;
+	int i;
+
+	TESTNE(readlink("/proc/self/exe", path, PATH_MAX), -1);
+	TEST(last_slash = strrchr(path, '/'), last_slash);
+	strcpy(last_slash + 1, file);
+	TEST(filter_fd = open(path, O_RDONLY | O_CLOEXEC), filter_fd != -1);
+	TESTNE(elf_version(EV_CURRENT), EV_NONE);
+	TEST(elf = elf_begin(filter_fd, ELF_C_READ, NULL), elf);
+	TESTEQUAL((void *) gelf_getehdr(elf, &ehdr), &ehdr);
+	for (i = 1; i < ehdr.e_shnum; i++) {
+		char *shname;
+		GElf_Shdr shdr;
+		Elf_Scn *scn;
+
+		TEST(scn = elf_getscn(elf, i), scn);
+		TESTEQUAL((void *)gelf_getshdr(scn, &shdr), &shdr);
+		TEST(shname = elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name),
+		     shname);
+
+		if (!strcmp(shname, "maps")) {
+			TEST(data_maps = elf_getdata(scn, 0), data_maps);
+			maps_index = i;
+		} else if (shdr.sh_type == SHT_SYMTAB) {
+			TEST(data_symbols = elf_getdata(scn, 0), data_symbols);
+			symbol_index = shdr.sh_link;
+		} else if (!strcmp(shname, section)) {
+			TEST(data_prog = elf_getdata(scn, 0), data_prog);
+			prog_index = i;
+		}
+	}
+	TESTNE((void *) data_prog, NULL);
+
+	if (data_maps)
+		TESTEQUAL(install_maps(data_maps, maps_index, elf,
+				       data_symbols, symbol_index,
+				       map_relocations, map_count), 0);
+
+	/* Now relocate maps */
+	for (i = 1; i < ehdr.e_shnum; i++) {
+		GElf_Shdr rel_header;
+		Elf_Scn *scn;
+		Elf_Data *rel_data;
+
+		TEST(scn = elf_getscn(elf, i), scn);
+		TESTEQUAL((void *)gelf_getshdr(scn, &rel_header),
+			&rel_header);
+		if (rel_header.sh_type != SHT_REL)
+			continue;
+		TEST(rel_data = elf_getdata(scn, 0), rel_data);
+
+		if (rel_header.sh_info != prog_index)
+			continue;
+		TESTEQUAL(relocate_maps(&rel_header, rel_data,
+					data_prog, data_symbols,
+					*map_relocations, *map_count),
+			  0);
+	}
+
+	bpf_attr = (union bpf_attr) {
+		.prog_type = BPF_PROG_TYPE_FUSE,
+		.insn_cnt = data_prog->d_size / 8,
+		.insns = ptr_to_u64(data_prog->d_buf),
+		.license = ptr_to_u64("GPL"),
+		.log_buf = test_options.verbose ? ptr_to_u64(log) : 0,
+		.log_size = test_options.verbose ? sizeof(log) : 0,
+		.log_level = test_options.verbose ? 2 : 0,
+	};
+	*fd = syscall(__NR_bpf, BPF_PROG_LOAD, &bpf_attr, sizeof(bpf_attr));
+	if (test_options.verbose)
+		ksft_print_msg("%s\n", log);
+	if (*fd == -1 && errno == ENOSPC)
+		ksft_print_msg("bpf log size too small!\n");
+	TESTNE(*fd, -1);
+
+	result = TEST_SUCCESS;
+out:
+	close(filter_fd);
+	return result;
+}
+
+
diff --git a/tools/testing/selftests/filesystems/fuse/fd.txt b/tools/testing/selftests/filesystems/fuse/fd.txt
new file mode 100644
index 0000000..15ce771
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/fd.txt
@@ -0,0 +1,21 @@
+fuse_daemon $*
+cd fd-dst
+ls
+cd show
+ls
+fsstress -s 123 -d . -p 4 -n 100 -l5
+echo test > wibble
+ls
+cat wibble
+fallocate -l 1000 wobble
+mkdir testdir
+mkdir tmpdir
+rmdir tmpdir
+touch tmp
+mv tmp tmp2
+rm tmp2
+
+# FUSE_LINK
+echo "ln_src contents" > ln_src
+ln ln_src ln_link
+cat ln_link
diff --git a/tools/testing/selftests/filesystems/fuse/fd_bpf.c b/tools/testing/selftests/filesystems/fuse/fd_bpf.c
new file mode 100644
index 0000000..ebf5c92
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/fd_bpf.c
@@ -0,0 +1,310 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2021 Google LLC
+
+#define __EXPORTED_HEADERS__
+#define __KERNEL__
+
+#ifdef __ANDROID__
+#include <stdint.h>
+#endif
+
+#include <uapi/linux/types.h>
+#include <uapi/linux/bpf.h>
+#include <uapi/linux/fuse.h>
+#include <uapi/linux/errno.h>
+
+struct fuse_bpf_map {
+	int map_type;
+	size_t key_size;
+	size_t value_size;
+	int max_entries;
+};
+
+static void *(*bpf_map_lookup_elem)(struct fuse_bpf_map *map, void *key)
+	= (void *) 1;
+
+static void *(*bpf_map_update_elem)(struct fuse_bpf_map *map, void *key,
+				    void *value, int flags)
+	= (void *) 2;
+
+static long (*bpf_trace_printk)(const char *fmt, __u32 fmt_size, ...)
+	= (void *) 6;
+
+static long (*bpf_get_current_pid_tgid)()
+	= (void *) 14;
+
+static long (*bpf_get_current_uid_gid)()
+	= (void *) 15;
+
+#define bpf_printk(fmt, ...)					\
+	({			                                \
+		char ____fmt[] = fmt;                           \
+		bpf_trace_printk(____fmt, sizeof(____fmt),      \
+		                 ##__VA_ARGS__);                \
+	})
+
+#define SEC(NAME) __attribute__((section(NAME), used))
+
+SEC("dummy")
+
+inline int strcmp(const char *a, const char *b)
+{
+	int i;
+
+	for (i = 0; i < __builtin_strlen(b) + 1; ++i)
+		if (a[i] != b[i])
+			return -1;
+
+	return 0;
+}
+
+SEC("maps") struct fuse_bpf_map test_map = {
+	BPF_MAP_TYPE_ARRAY,
+	sizeof(uint32_t),
+	sizeof(uint32_t),
+	1000,
+};
+
+SEC("maps") struct fuse_bpf_map test_map2 = {
+	BPF_MAP_TYPE_HASH,
+	sizeof(uint32_t),
+	sizeof(uint64_t),
+	76,
+};
+
+SEC("test_daemon")
+
+int trace_daemon(struct fuse_bpf_args *fa)
+{
+	uint64_t uid_gid = bpf_get_current_uid_gid();
+	uint32_t uid = uid_gid & 0xffffffff;
+	uint64_t pid_tgid = bpf_get_current_pid_tgid();
+	uint32_t pid = pid_tgid & 0xffffffff;
+	uint32_t key = 23;
+	uint32_t *pvalue;
+
+
+	pvalue = bpf_map_lookup_elem(&test_map, &key);
+	if (pvalue) {
+		uint32_t value = *pvalue;
+
+		bpf_printk("pid %u uid %u value %u", pid, uid, value);
+		value++;
+		bpf_map_update_elem(&test_map, &key,  &value, BPF_ANY);
+	}
+
+	switch (fa->opcode) {
+	case FUSE_ACCESS | FUSE_PREFILTER: {
+		bpf_printk("Access: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_GETATTR | FUSE_PREFILTER: {
+		const struct fuse_getattr_in *fgi = fa->in_args[0].value;
+
+		bpf_printk("Get Attr %d", fgi->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_SETATTR | FUSE_PREFILTER: {
+		const struct fuse_setattr_in *fsi = fa->in_args[0].value;
+
+		bpf_printk("Set Attr %d", fsi->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_OPENDIR | FUSE_PREFILTER: {
+		bpf_printk("Open Dir: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_READDIR | FUSE_PREFILTER: {
+		const struct fuse_read_in *fri = fa->in_args[0].value;
+
+		bpf_printk("Read Dir: fh: %lu", fri->fh, fri->offset);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_LOOKUP | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("Lookup: %lx %s", fa->nodeid, name);
+		if (fa->nodeid == 1)
+			return FUSE_BPF_USER_FILTER | FUSE_BPF_BACKING;
+		else
+			return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_MKNOD | FUSE_PREFILTER: {
+		const struct fuse_mknod_in *fmi = fa->in_args[0].value;
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("mknod %s %x %x", name,  fmi->rdev | fmi->mode, fmi->umask);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_MKDIR | FUSE_PREFILTER: {
+		const struct fuse_mkdir_in *fmi = fa->in_args[0].value;
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("mkdir: %s %x %x", name, fmi->mode, fmi->umask);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RMDIR | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("rmdir: %s", name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RENAME | FUSE_PREFILTER: {
+		const char *oldname = fa->in_args[1].value;
+		const char *newname = fa->in_args[2].value;
+
+		bpf_printk("rename from %s", oldname);
+		bpf_printk("rename to %s", newname);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RENAME2 | FUSE_PREFILTER: {
+		const struct fuse_rename2_in *fri = fa->in_args[0].value;
+		uint32_t flags = fri->flags;
+		const char *oldname = fa->in_args[1].value;
+		const char *newname = fa->in_args[2].value;
+
+		bpf_printk("rename(%x) from %s", flags, oldname);
+		bpf_printk("rename to %s", newname);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_UNLINK | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("unlink: %s", name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_LINK | FUSE_PREFILTER: {
+		const struct fuse_link_in *fli = fa->in_args[0].value;
+		const char *dst_name = fa->in_args[1].value;
+
+		bpf_printk("Link: %d %s", fli->oldnodeid, dst_name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_SYMLINK | FUSE_PREFILTER: {
+		const char *link_name = fa->in_args[0].value;
+		const char *link_dest = fa->in_args[1].value;
+
+		bpf_printk("symlink from %s", link_name);
+		bpf_printk("symlink to %s", link_dest);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_READLINK | FUSE_PREFILTER: {
+		const char *link_name = fa->in_args[0].value;
+
+		bpf_printk("readlink from %s", link_name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RELEASE | FUSE_PREFILTER: {
+		const struct fuse_release_in *fri = fa->in_args[0].value;
+
+		bpf_printk("Release: %d", fri->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RELEASEDIR | FUSE_PREFILTER: {
+		const struct fuse_release_in *fri = fa->in_args[0].value;
+
+		bpf_printk("Release Dir: %d", fri->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_CREATE | FUSE_PREFILTER: {
+		bpf_printk("Create %s", fa->in_args[1].value);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_OPEN | FUSE_PREFILTER: {
+		bpf_printk("Open: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_READ | FUSE_PREFILTER: {
+		const struct fuse_read_in *fri = fa->in_args[0].value;
+
+		bpf_printk("Read: fh: %lu, offset %lu, size %lu",
+			   fri->fh, fri->offset, fri->size);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_WRITE | FUSE_PREFILTER: {
+		const struct fuse_write_in *fwi = fa->in_args[0].value;
+
+		bpf_printk("Write: fh: %lu, offset %lu, size %lu",
+			   fwi->fh, fwi->offset, fwi->size);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_FLUSH | FUSE_PREFILTER: {
+		const struct fuse_flush_in *ffi = fa->in_args[0].value;
+
+		bpf_printk("Flush %d", ffi->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_FALLOCATE | FUSE_PREFILTER: {
+		const struct fuse_fallocate_in *ffa = fa->in_args[0].value;
+
+		bpf_printk("Fallocate %d %lu", ffa->fh, ffa->length);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_GETXATTR | FUSE_PREFILTER: {
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("Getxattr %d %s", fa->nodeid, name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_LISTXATTR | FUSE_PREFILTER: {
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("Listxattr %d %s", fa->nodeid, name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_SETXATTR | FUSE_PREFILTER: {
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("Setxattr %d %s", fa->nodeid, name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_STATFS | FUSE_PREFILTER: {
+		bpf_printk("statfs %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_LSEEK | FUSE_PREFILTER: {
+		const struct fuse_lseek_in *fli = fa->in_args[0].value;
+
+		bpf_printk("lseek type:%d, offset:%lld", fli->whence, fli->offset);
+		return FUSE_BPF_BACKING;
+	}
+
+	default:
+		if (fa->opcode & FUSE_PREFILTER)
+			bpf_printk("prefilter *** UNKNOWN *** opcode: %d",
+				   fa->opcode & FUSE_OPCODE_FILTER);
+		else if (fa->opcode & FUSE_POSTFILTER)
+			bpf_printk("postfilter *** UNKNOWN *** opcode: %d",
+				   fa->opcode & FUSE_OPCODE_FILTER);
+		else
+			bpf_printk("*** UNKNOWN *** opcode: %d", fa->opcode);
+		return FUSE_BPF_BACKING;
+	}
+}
diff --git a/tools/testing/selftests/filesystems/fuse/fuse_daemon.c b/tools/testing/selftests/filesystems/fuse/fuse_daemon.c
new file mode 100644
index 0000000..6213606
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/fuse_daemon.c
@@ -0,0 +1,294 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC
+ */
+
+#include "test_fuse.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <linux/unistd.h>
+
+#include <include/uapi/linux/fuse.h>
+#include <include/uapi/linux/bpf.h>
+
+bool user_messages;
+bool kernel_messages;
+
+static int display_trace(void)
+{
+	int pid = -1;
+	int tp = -1;
+	char c;
+	ssize_t bytes_read;
+	static char line[256] = {0};
+
+	if (!kernel_messages)
+		return TEST_SUCCESS;
+
+	TEST(pid = fork(), pid != -1);
+	if (pid != 0)
+		return pid;
+
+	TESTEQUAL(tracing_on(), 0);
+	TEST(tp = s_open(s_path(tracing_folder(), s("trace_pipe")),
+			 O_RDONLY | O_CLOEXEC), tp != -1);
+	for (;;) {
+		TEST(bytes_read = read(tp, &c, sizeof(c)),
+		     bytes_read == 1);
+		if (c == '\n') {
+			printf("%s\n", line);
+			line[0] = 0;
+		} else
+			sprintf(line + strlen(line), "%c", c);
+	}
+out:
+	if (pid == 0) {
+		close(tp);
+		exit(TEST_FAILURE);
+	}
+	return pid;
+}
+
+static const char *fuse_opcode_to_string(int opcode)
+{
+	switch (opcode & FUSE_OPCODE_FILTER) {
+	case FUSE_LOOKUP:
+		return "FUSE_LOOKUP";
+	case FUSE_FORGET:
+		return "FUSE_FORGET";
+	case FUSE_GETATTR:
+		return "FUSE_GETATTR";
+	case FUSE_SETATTR:
+		return "FUSE_SETATTR";
+	case FUSE_READLINK:
+		return "FUSE_READLINK";
+	case FUSE_SYMLINK:
+		return "FUSE_SYMLINK";
+	case FUSE_MKNOD:
+		return "FUSE_MKNOD";
+	case FUSE_MKDIR:
+		return "FUSE_MKDIR";
+	case FUSE_UNLINK:
+		return "FUSE_UNLINK";
+	case FUSE_RMDIR:
+		return "FUSE_RMDIR";
+	case FUSE_RENAME:
+		return "FUSE_RENAME";
+	case FUSE_LINK:
+		return "FUSE_LINK";
+	case FUSE_OPEN:
+		return "FUSE_OPEN";
+	case FUSE_READ:
+		return "FUSE_READ";
+	case FUSE_WRITE:
+		return "FUSE_WRITE";
+	case FUSE_STATFS:
+		return "FUSE_STATFS";
+	case FUSE_RELEASE:
+		return "FUSE_RELEASE";
+	case FUSE_FSYNC:
+		return "FUSE_FSYNC";
+	case FUSE_SETXATTR:
+		return "FUSE_SETXATTR";
+	case FUSE_GETXATTR:
+		return "FUSE_GETXATTR";
+	case FUSE_LISTXATTR:
+		return "FUSE_LISTXATTR";
+	case FUSE_REMOVEXATTR:
+		return "FUSE_REMOVEXATTR";
+	case FUSE_FLUSH:
+		return "FUSE_FLUSH";
+	case FUSE_INIT:
+		return "FUSE_INIT";
+	case FUSE_OPENDIR:
+		return "FUSE_OPENDIR";
+	case FUSE_READDIR:
+		return "FUSE_READDIR";
+	case FUSE_RELEASEDIR:
+		return "FUSE_RELEASEDIR";
+	case FUSE_FSYNCDIR:
+		return "FUSE_FSYNCDIR";
+	case FUSE_GETLK:
+		return "FUSE_GETLK";
+	case FUSE_SETLK:
+		return "FUSE_SETLK";
+	case FUSE_SETLKW:
+		return "FUSE_SETLKW";
+	case FUSE_ACCESS:
+		return "FUSE_ACCESS";
+	case FUSE_CREATE:
+		return "FUSE_CREATE";
+	case FUSE_INTERRUPT:
+		return "FUSE_INTERRUPT";
+	case FUSE_BMAP:
+		return "FUSE_BMAP";
+	case FUSE_DESTROY:
+		return "FUSE_DESTROY";
+	case FUSE_IOCTL:
+		return "FUSE_IOCTL";
+	case FUSE_POLL:
+		return "FUSE_POLL";
+	case FUSE_NOTIFY_REPLY:
+		return "FUSE_NOTIFY_REPLY";
+	case FUSE_BATCH_FORGET:
+		return "FUSE_BATCH_FORGET";
+	case FUSE_FALLOCATE:
+		return "FUSE_FALLOCATE";
+	case FUSE_READDIRPLUS:
+		return "FUSE_READDIRPLUS";
+	case FUSE_RENAME2:
+		return "FUSE_RENAME2";
+	case FUSE_LSEEK:
+		return "FUSE_LSEEK";
+	case FUSE_COPY_FILE_RANGE:
+		return "FUSE_COPY_FILE_RANGE";
+	case FUSE_SETUPMAPPING:
+		return "FUSE_SETUPMAPPING";
+	case FUSE_REMOVEMAPPING:
+		return "FUSE_REMOVEMAPPING";
+	//case FUSE_SYNCFS:
+	//	return "FUSE_SYNCFS";
+	case CUSE_INIT:
+		return "CUSE_INIT";
+	case CUSE_INIT_BSWAP_RESERVED:
+		return "CUSE_INIT_BSWAP_RESERVED";
+	case FUSE_INIT_BSWAP_RESERVED:
+		return "FUSE_INIT_BSWAP_RESERVED";
+	}
+	return "?";
+}
+
+static int parse_options(int argc, char *const *argv)
+{
+	signed char c;
+
+	while ((c = getopt(argc, argv, "kuv")) != -1)
+		switch (c) {
+		case 'v':
+			test_options.verbose = true;
+			break;
+
+		case 'u':
+			user_messages = true;
+			break;
+
+		case 'k':
+			kernel_messages = true;
+			break;
+
+		default:
+			return -EINVAL;
+		}
+
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	int result = TEST_FAILURE;
+	int trace_pid = -1;
+	char *mount_dir = NULL;
+	char *src_dir = NULL;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	struct map_relocation *map_relocations = NULL;
+	size_t map_count = 0;
+	int i;
+
+	if (geteuid() != 0)
+		ksft_print_msg("Not a root, might fail to mount.\n");
+	TESTEQUAL(parse_options(argc, argv), 0);
+
+	TEST(trace_pid = display_trace(), trace_pid != -1);
+
+	delete_dir_tree("fd-src", true);
+	TEST(src_dir = setup_mount_dir("fd-src"), src_dir);
+	delete_dir_tree("fd-dst", true);
+	TEST(mount_dir = setup_mount_dir("fd-dst"), mount_dir);
+
+	TESTEQUAL(install_elf_bpf("fd_bpf.bpf", "test_daemon", &bpf_fd,
+				  &map_relocations, &map_count), 0);
+
+	TEST(src_fd = open("fd-src", O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTSYSCALL(mkdirat(src_fd, "show", 0777));
+	TESTSYSCALL(mkdirat(src_fd, "hide", 0777));
+
+	for (i = 0; i < map_count; ++i)
+		if (!strcmp(map_relocations[i].name, "test_map")) {
+			uint32_t key = 23;
+			uint32_t value = 1234;
+			union bpf_attr attr = {
+				.map_fd = map_relocations[i].fd,
+				.key    = ptr_to_u64(&key),
+				.value  = ptr_to_u64(&value),
+				.flags  = BPF_ANY,
+			};
+			TESTSYSCALL(syscall(__NR_bpf, BPF_MAP_UPDATE_ELEM,
+					    &attr, sizeof(attr)));
+		}
+
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	if (fork())
+		return 0;
+
+	for (;;) {
+		uint8_t bytes_in[FUSE_MIN_READ_BUFFER];
+		uint8_t bytes_out[FUSE_MIN_READ_BUFFER] __attribute__((unused));
+		struct fuse_in_header *in_header =
+			(struct fuse_in_header *)bytes_in;
+		ssize_t res = read(fuse_dev, bytes_in, sizeof(bytes_in));
+
+		if (res == -1)
+			break;
+
+		switch (in_header->opcode) {
+		case FUSE_LOOKUP | FUSE_PREFILTER: {
+			char *name = (char *)(bytes_in + sizeof(*in_header));
+
+			if (user_messages)
+				printf("Lookup %s\n", name);
+			if (!strcmp(name, "hide"))
+				TESTFUSEOUTERROR(-ENOENT);
+			else
+				TESTFUSEOUTREAD(name, strlen(name) + 1);
+			break;
+		}
+		default:
+			if (user_messages) {
+				printf("opcode is %d (%s)\n", in_header->opcode,
+				       fuse_opcode_to_string(
+					       in_header->opcode));
+			}
+			break;
+		}
+	}
+
+	result = TEST_SUCCESS;
+
+out:
+	for (i = 0; i < map_count; ++i) {
+		free(map_relocations[i].name);
+		close(map_relocations[i].fd);
+	}
+	free(map_relocations);
+	umount2(mount_dir, MNT_FORCE);
+	delete_dir_tree(mount_dir, true);
+	free(mount_dir);
+	delete_dir_tree(src_dir, true);
+	free(src_dir);
+	if (trace_pid != -1)
+		kill(trace_pid, SIGKILL);
+	return result;
+}
diff --git a/tools/testing/selftests/filesystems/fuse/fuse_test.c b/tools/testing/selftests/filesystems/fuse/fuse_test.c
new file mode 100644
index 0000000..fe4e43d
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/fuse_test.c
@@ -0,0 +1,2272 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC
+ */
+#define _GNU_SOURCE
+
+#include "test_fuse.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/file.h>
+#include <sys/inotify.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/syscall.h>
+#include <sys/wait.h>
+
+#include <linux/capability.h>
+#include <linux/random.h>
+
+#include <include/uapi/linux/fuse.h>
+#include <include/uapi/linux/bpf.h>
+
+static const char *ft_src = "ft-src";
+static const char *ft_dst = "ft-dst";
+
+static void fill_buffer(uint8_t *data, size_t len, int file, int block)
+{
+	int i;
+	int seed = 7919 * file + block;
+
+	for (i = 0; i < len; i++) {
+		seed = 1103515245 * seed + 12345;
+		data[i] = (uint8_t)(seed >> (i % 13));
+	}
+}
+
+static bool test_buffer(uint8_t *data, size_t len, int file, int block)
+{
+	int i;
+	int seed = 7919 * file + block;
+
+	for (i = 0; i < len; i++) {
+		seed = 1103515245 * seed + 12345;
+		if (data[i] != (uint8_t)(seed >> (i % 13)))
+			return false;
+	}
+
+	return true;
+}
+
+static int create_file(int dir, struct s name, int index, size_t blocks)
+{
+	int result = TEST_FAILURE;
+	int fd = -1;
+	int i;
+	uint8_t data[PAGE_SIZE];
+
+	TEST(fd = s_openat(dir, name, O_CREAT | O_WRONLY, 0777), fd != -1);
+	for (i = 0; i < blocks; ++i) {
+		fill_buffer(data, PAGE_SIZE, index, i);
+		TESTEQUAL(write(fd, data, sizeof(data)), PAGE_SIZE);
+	}
+	TESTSYSCALL(close(fd));
+	result = TEST_SUCCESS;
+
+out:
+	close(fd);
+	return result;
+}
+
+static int bpf_clear_trace(void)
+{
+	int result = TEST_FAILURE;
+	int tp = -1;
+
+	TEST(tp = s_open(s_path(tracing_folder(), s("trace")),
+			 O_WRONLY | O_TRUNC | O_CLOEXEC), tp != -1);
+
+	result = TEST_SUCCESS;
+out:
+	close(tp);
+	return result;
+}
+
+static int bpf_test_trace_maybe(const char *substr, bool present)
+{
+	int result = TEST_FAILURE;
+	int tp = -1;
+	char trace_buffer[4096] = {};
+	ssize_t bytes_read;
+
+	TEST(tp = s_open(s_path(tracing_folder(), s("trace_pipe")),
+			 O_RDONLY | O_CLOEXEC),
+	     tp != -1);
+	fcntl(tp, F_SETFL, O_NONBLOCK);
+
+	for (;;) {
+		bytes_read = read(tp, trace_buffer, sizeof(trace_buffer));
+		if (present)
+			TESTCOND(bytes_read > 0);
+		else if (bytes_read <= 0) {
+			result = TEST_SUCCESS;
+			break;
+		}
+
+		if (test_options.verbose)
+			ksft_print_msg("%s\n", trace_buffer);
+
+		if (strstr(trace_buffer, substr)) {
+			if (present)
+				result = TEST_SUCCESS;
+			break;
+		}
+	}
+out:
+	close(tp);
+	return result;
+}
+
+static int bpf_test_trace(const char *substr)
+{
+	return bpf_test_trace_maybe(substr, true);
+}
+
+static int bpf_test_no_trace(const char *substr)
+{
+	return bpf_test_trace_maybe(substr, false);
+}
+
+static int basic_test(const char *mount_dir)
+{
+	const char *test_name = "test";
+	const char *test_data = "data";
+
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	char *filename = NULL;
+	int fd = -1;
+	int pid = -1;
+	int status;
+
+	TESTEQUAL(mount_fuse(mount_dir, -1, -1, &fuse_dev), 0);
+	FUSE_ACTION
+		char data[256];
+
+		filename = concat_file_name(mount_dir, test_name);
+		TESTERR(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+		TESTEQUAL(read(fd, data, strlen(test_data)), strlen(test_data));
+		TESTCOND(!strcmp(data, test_data));
+		TESTSYSCALL(close(fd));
+		fd = -1;
+	FUSE_DAEMON
+		DECL_FUSE_IN(open);
+		DECL_FUSE_IN(read);
+		DECL_FUSE_IN(flush);
+		DECL_FUSE_IN(release);
+
+		TESTFUSELOOKUP(test_name, 0);
+		TESTFUSEOUT1(fuse_entry_out, ((struct fuse_entry_out) {
+			.nodeid		= 2,
+			.generation	= 1,
+			.attr.ino = 100,
+			.attr.size = 4,
+			.attr.blksize = 512,
+			.attr.mode = S_IFREG | 0777,
+			}));
+
+		TESTFUSEIN(FUSE_OPEN, open_in);
+		TESTFUSEOUT1(fuse_open_out, ((struct fuse_open_out) {
+			.fh = 1,
+			.open_flags = open_in->flags,
+		}));
+
+		TESTFUSEINNULL(FUSE_CANONICAL_PATH);
+		TESTFUSEOUTREAD("ignored", 7);
+
+		TESTFUSEIN(FUSE_READ, read_in);
+		TESTFUSEOUTREAD(test_data, strlen(test_data));
+
+		TESTFUSEIN(FUSE_FLUSH, flush_in);
+		TESTFUSEOUTEMPTY();
+
+		TESTFUSEIN(FUSE_RELEASE, release_in);
+		TESTFUSEOUTEMPTY();
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	if (!pid)
+		exit(TEST_FAILURE);
+	close(fuse_dev);
+	close(fd);
+	free(filename);
+	umount(mount_dir);
+	return result;
+}
+
+static int bpf_test_real(const char *mount_dir)
+{
+	const char *test_name = "real";
+	const char *test_data = "Weebles wobble but they don't fall down";
+	int result = TEST_FAILURE;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	char *filename = NULL;
+	int fd = -1;
+	char read_buffer[256] = {};
+	ssize_t bytes_read;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TEST(fd = openat(src_fd, test_name, O_CREAT | O_RDWR | O_CLOEXEC, 0777),
+	     fd != -1);
+	TESTEQUAL(write(fd, test_data, strlen(test_data)), strlen(test_data));
+	TESTSYSCALL(close(fd));
+	fd = -1;
+
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	filename = concat_file_name(mount_dir, test_name);
+	TESTERR(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	bytes_read = read(fd, read_buffer, strlen(test_data));
+	TESTEQUAL(bytes_read, strlen(test_data));
+	TESTEQUAL(strcmp(test_data, read_buffer), 0);
+	TESTEQUAL(bpf_test_trace("read"), 0);
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	close(fd);
+	free(filename);
+	umount(mount_dir);
+	close(src_fd);
+	close(bpf_fd);
+	return result;
+}
+
+
+static int bpf_test_partial(const char *mount_dir)
+{
+	const char *test_name = "partial";
+	int result = TEST_FAILURE;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	char *filename = NULL;
+	int fd = -1;
+	int pid = -1;
+	int status;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(create_file(src_fd, s(test_name), 1, 2), 0);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	FUSE_ACTION
+		uint8_t data[PAGE_SIZE];
+
+		TEST(filename = concat_file_name(mount_dir, test_name),
+		     filename);
+		TESTERR(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+		TESTEQUAL(read(fd, data, PAGE_SIZE), PAGE_SIZE);
+		TESTEQUAL(bpf_test_trace("read"), 0);
+		TESTCOND(test_buffer(data, PAGE_SIZE, 2, 0));
+		TESTCOND(!test_buffer(data, PAGE_SIZE, 1, 0));
+		TESTEQUAL(read(fd, data, PAGE_SIZE), PAGE_SIZE);
+		TESTCOND(test_buffer(data, PAGE_SIZE, 1, 1));
+		TESTCOND(!test_buffer(data, PAGE_SIZE, 2, 1));
+		TESTSYSCALL(close(fd));
+		fd = -1;
+	FUSE_DAEMON
+		DECL_FUSE(open);
+		DECL_FUSE(read);
+		DECL_FUSE(release);
+		uint8_t data[PAGE_SIZE];
+
+		TESTFUSEIN2(FUSE_OPEN | FUSE_POSTFILTER, open_in, open_out);
+		TESTFUSEOUT1(fuse_open_out, ((struct fuse_open_out) {
+			.fh = 1,
+			.open_flags = open_in->flags,
+		}));
+
+		TESTFUSEIN(FUSE_READ, read_in);
+		fill_buffer(data, PAGE_SIZE, 2, 0);
+		TESTFUSEOUTREAD(data, PAGE_SIZE);
+
+		TESTFUSEIN(FUSE_RELEASE, release_in);
+		TESTFUSEOUTEMPTY();
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	if (!pid)
+		exit(TEST_FAILURE);
+	close(fuse_dev);
+	close(fd);
+	free(filename);
+	umount(mount_dir);
+	close(src_fd);
+	close(bpf_fd);
+	return result;
+}
+
+static int bpf_test_attrs(const char *mount_dir)
+{
+	const char *test_name = "partial";
+	int result = TEST_FAILURE;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	char *filename = NULL;
+	struct stat st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(create_file(src_fd, s(test_name), 1, 2), 0);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TEST(filename = concat_file_name(mount_dir, test_name), filename);
+	TESTSYSCALL(stat(filename, &st));
+	TESTSYSCALL(chmod(filename, 0111));
+	TESTSYSCALL(stat(filename, &st));
+	TESTEQUAL(st.st_mode & 0777, 0111);
+	TESTSYSCALL(chmod(filename, 0777));
+	TESTSYSCALL(stat(filename, &st));
+	TESTEQUAL(st.st_mode & 0777, 0777);
+	TESTSYSCALL(chown(filename, 5, 6));
+	TESTSYSCALL(stat(filename, &st));
+	TESTEQUAL(st.st_uid, 5);
+	TESTEQUAL(st.st_gid, 6);
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	free(filename);
+	umount(mount_dir);
+	close(src_fd);
+	close(bpf_fd);
+	return result;
+}
+
+static int bpf_test_readdir(const char *mount_dir)
+{
+	const char *names[] = {"real", "partial", "fake", ".", ".."};
+	int result = TEST_FAILURE;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	int pid = -1;
+	int status;
+	DIR *dir = NULL;
+	struct dirent *dirent;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(create_file(src_fd, s(names[0]), 1, 2), 0);
+	TESTEQUAL(create_file(src_fd, s(names[1]), 1, 2), 0);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	FUSE_ACTION
+		int i, j;
+
+		TEST(dir = s_opendir(s(mount_dir)), dir);
+		TESTEQUAL(bpf_test_trace("opendir"), 0);
+
+		for (i = 0; i < ARRAY_SIZE(names); ++i) {
+			TEST(dirent = readdir(dir), dirent);
+
+			for (j = 0; j < ARRAY_SIZE(names); ++j)
+				if (names[j] &&
+				    strcmp(names[j], dirent->d_name) == 0) {
+					names[j] = NULL;
+					break;
+				}
+			TESTNE(j, ARRAY_SIZE(names));
+		}
+		TEST(dirent = readdir(dir), dirent == NULL);
+		TESTSYSCALL(closedir(dir));
+		dir = NULL;
+		TESTEQUAL(bpf_test_trace("readdir"), 0);
+	FUSE_DAEMON
+		struct fuse_in_header *in_header =
+			(struct fuse_in_header *)bytes_in;
+		ssize_t res = read(fuse_dev, bytes_in, sizeof(bytes_in));
+		struct fuse_read_out *read_out =
+			(struct fuse_read_out *) (bytes_in +
+					sizeof(*in_header) +
+					sizeof(struct fuse_read_in));
+		struct fuse_dirent *fuse_dirent =
+			(struct fuse_dirent *) (bytes_in + res);
+
+		TESTGE(res, sizeof(*in_header) + sizeof(struct fuse_read_in));
+		TESTEQUAL(in_header->opcode, FUSE_READDIR | FUSE_POSTFILTER);
+		*fuse_dirent = (struct fuse_dirent) {
+			.ino = 100,
+			.off = 5,
+			.namelen = strlen("fake"),
+			.type = DT_REG,
+		};
+		strcpy((char *)(bytes_in + res + sizeof(*fuse_dirent)), "fake");
+		res += FUSE_DIRENT_ALIGN(sizeof(*fuse_dirent) + strlen("fake") +
+					 1);
+		TESTFUSEDIROUTREAD(read_out,
+				bytes_in +
+				   sizeof(struct fuse_in_header) +
+				   sizeof(struct fuse_read_in) +
+				   sizeof(struct fuse_read_out),
+				res - sizeof(struct fuse_in_header) -
+				    sizeof(struct fuse_read_in) -
+				    sizeof(struct fuse_read_out));
+		res = read(fuse_dev, bytes_in, sizeof(bytes_in));
+		TESTEQUAL(res, sizeof(*in_header) +
+			  sizeof(struct fuse_read_in) +
+			  sizeof(struct fuse_read_out));
+		TESTEQUAL(in_header->opcode, FUSE_READDIR | FUSE_POSTFILTER);
+		TESTFUSEDIROUTREAD(read_out, bytes_in, 0);
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	closedir(dir);
+	close(fuse_dev);
+	umount(mount_dir);
+	close(src_fd);
+	close(bpf_fd);
+	return result;
+}
+
+static int bpf_test_redact_readdir(const char *mount_dir)
+{
+	const char *names[] = {"f1", "f2", "f3", "f4", "f5", "f6", ".", ".."};
+	int num_shown = (ARRAY_SIZE(names) - 2) / 2 + 2;
+	int result = TEST_FAILURE;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	int pid = -1;
+	int status;
+	DIR *dir = NULL;
+	struct dirent *dirent;
+	int i;
+	int count = 0;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	for (i = 0; i < ARRAY_SIZE(names) - 2; i++)
+		TESTEQUAL(create_file(src_fd, s(names[i]), 1, 2), 0);
+
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_readdir_redact",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	FUSE_ACTION
+		int j;
+
+		TEST(dir = s_opendir(s(mount_dir)), dir);
+		while ((dirent = readdir(dir))) {
+			errno = 0;
+			TESTEQUAL(errno, 0);
+
+			for (j = 0; j < ARRAY_SIZE(names); ++j)
+				if (names[j] &&
+				    strcmp(names[j], dirent->d_name) == 0) {
+					names[j] = NULL;
+					count++;
+					break;
+				}
+			TESTNE(j, ARRAY_SIZE(names));
+			TESTGE(num_shown, count);
+		}
+		TESTEQUAL(count, num_shown);
+		TESTSYSCALL(closedir(dir));
+		dir = NULL;
+	FUSE_DAEMON
+		bool skip = true;
+		for (int i = 0; i < ARRAY_SIZE(names) + 1; i++) {
+			uint8_t bytes_in[FUSE_MIN_READ_BUFFER];
+			uint8_t bytes_out[FUSE_MIN_READ_BUFFER];
+			struct fuse_in_header *in_header =
+				(struct fuse_in_header *)bytes_in;
+			ssize_t res = read(fuse_dev, bytes_in, sizeof(bytes_in));
+			int length_out = 0;
+			uint8_t *pos;
+			uint8_t *dirs_in;
+			uint8_t *dirs_out;
+			struct fuse_read_in *fuse_read_in;
+			struct fuse_read_out *fuse_read_out_in;
+			struct fuse_read_out *fuse_read_out_out;
+			struct fuse_dirent *fuse_dirent_in = NULL;
+			struct fuse_dirent *next = NULL;
+			bool again = false;
+			int dir_ent_len = 0;
+
+			TESTGE(res, sizeof(struct fuse_in_header) +
+					sizeof(struct fuse_read_in) +
+					sizeof(struct fuse_read_out));
+
+			pos = bytes_in + sizeof(struct fuse_in_header);
+			fuse_read_in = (struct fuse_read_in *) pos;
+			pos += sizeof(*fuse_read_in);
+			fuse_read_out_in = (struct fuse_read_out *) pos;
+			pos += sizeof(*fuse_read_out_in);
+			dirs_in = pos;
+
+			pos = bytes_out + sizeof(struct fuse_out_header);
+			fuse_read_out_out = (struct fuse_read_out *) pos;
+			pos += sizeof(*fuse_read_out_out);
+			dirs_out = pos;
+
+			if (dirs_in < bytes_in + res) {
+				bool is_dot;
+
+				fuse_dirent_in = (struct fuse_dirent *) dirs_in;
+				is_dot = (fuse_dirent_in->namelen == 1 &&
+						!strncmp(fuse_dirent_in->name, ".", 1)) ||
+					 (fuse_dirent_in->namelen == 2 &&
+						!strncmp(fuse_dirent_in->name, "..", 2));
+
+				dir_ent_len = FUSE_DIRENT_ALIGN(
+					sizeof(*fuse_dirent_in) +
+					fuse_dirent_in->namelen);
+
+				if (dirs_in + dir_ent_len < bytes_in + res)
+					next = (struct fuse_dirent *)
+							(dirs_in + dir_ent_len);
+
+				if (!skip || is_dot) {
+					memcpy(dirs_out, fuse_dirent_in,
+					       sizeof(struct fuse_dirent) +
+					       fuse_dirent_in->namelen);
+					length_out += dir_ent_len;
+				}
+				again = ((skip && !is_dot) && next);
+
+				if (!is_dot)
+					skip = !skip;
+			}
+
+			fuse_read_out_out->offset = next ? next->off :
+					fuse_read_out_in->offset;
+			fuse_read_out_out->again = again;
+
+			{
+			struct fuse_out_header *out_header =
+				(struct fuse_out_header *)bytes_out;
+
+			*out_header = (struct fuse_out_header) {
+				.len = sizeof(*out_header) +
+				       sizeof(*fuse_read_out_out) + length_out,
+				.unique = in_header->unique,
+			};
+			TESTEQUAL(write(fuse_dev, bytes_out, out_header->len),
+				  out_header->len);
+			}
+		}
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	closedir(dir);
+	close(fuse_dev);
+	umount(mount_dir);
+	close(src_fd);
+	close(bpf_fd);
+	return result;
+}
+
+/*
+ * This test is more to show what classic fuse does with a creat in a subdir
+ * than a test of any new functionality
+ */
+static int bpf_test_creat(const char *mount_dir)
+{
+	const char *dir_name = "show";
+	const char *file_name = "file";
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	int pid = -1;
+	int status;
+	int fd = -1;
+
+	TESTEQUAL(mount_fuse(mount_dir, -1, -1, &fuse_dev), 0);
+
+	FUSE_ACTION
+		TEST(fd = s_creat(s_path(s_path(s(mount_dir), s(dir_name)),
+					 s(file_name)),
+				  0777),
+		     fd != -1);
+		TESTSYSCALL(close(fd));
+	FUSE_DAEMON
+		DECL_FUSE_IN(create);
+		DECL_FUSE_IN(release);
+		DECL_FUSE_IN(flush);
+
+		TESTFUSELOOKUP(dir_name, 0);
+		TESTFUSEOUT1(fuse_entry_out, ((struct fuse_entry_out) {
+			.nodeid		= 3,
+			.generation	= 1,
+			.attr.ino = 100,
+			.attr.size = 4,
+			.attr.blksize = 512,
+			.attr.mode = S_IFDIR | 0777,
+			}));
+
+		TESTFUSELOOKUP(file_name, 0);
+		TESTFUSEOUTERROR(-ENOENT);
+
+		TESTFUSEINEXT(FUSE_CREATE, create_in, strlen(file_name) + 1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {
+			.nodeid		= 2,
+			.generation	= 1,
+			.attr.ino = 200,
+			.attr.size = 4,
+			.attr.blksize = 512,
+			.attr.mode = S_IFREG,
+			}),
+			fuse_open_out, ((struct fuse_open_out) {
+			.fh = 1,
+			.open_flags = create_in->flags,
+			}));
+
+		TESTFUSEINNULL(FUSE_CANONICAL_PATH);
+		TESTFUSEOUTREAD("ignored", 7);
+
+		TESTFUSEIN(FUSE_FLUSH, flush_in);
+		TESTFUSEOUTEMPTY();
+
+		TESTFUSEIN(FUSE_RELEASE, release_in);
+		TESTFUSEOUTEMPTY();
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	return result;
+}
+
+static int bpf_test_hidden_entries(const char *mount_dir)
+{
+	static const char * const dir_names[] = {
+		"show",
+		"hide",
+	};
+	const char *file_name = "file";
+	const char *data = "The quick brown fox jumps over the lazy dog\n";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTSYSCALL(mkdirat(src_fd, dir_names[0], 0777));
+	TESTSYSCALL(mkdirat(src_fd, dir_names[1], 0777));
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_hidden",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TEST(fd = s_creat(s_path(s_path(s(mount_dir), s(dir_names[0])),
+				 s(file_name)),
+			  0777),
+	     fd != -1);
+	TESTSYSCALL(fallocate(fd, 0, 0, 4096));
+	TEST(write(fd, data, strlen(data)), strlen(data));
+	TESTSYSCALL(close(fd));
+	TESTEQUAL(bpf_test_trace("Create"), 0);
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_dir(const char *mount_dir)
+{
+	const char *dir_name = "dir";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	struct stat st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_mkdir(s_path(s(mount_dir), s(dir_name)), 0777));
+	TESTEQUAL(bpf_test_trace("mkdir"), 0);
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(dir_name)), &st));
+	TESTSYSCALL(s_rmdir(s_path(s(mount_dir), s(dir_name))));
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(dir_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_file(const char *mount_dir, bool close_first)
+{
+	const char *file_name = "real";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+	struct stat st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+			  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TEST(fd = s_creat(s_path(s(mount_dir), s(file_name)),
+			  0777),
+	     fd != -1);
+	TESTEQUAL(bpf_test_trace("Create"), 0);
+	if (close_first) {
+		TESTSYSCALL(close(fd));
+		fd = -1;
+	}
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(file_name)), &st));
+	TESTSYSCALL(s_unlink(s_path(s(mount_dir), s(file_name))));
+	TESTEQUAL(bpf_test_trace("unlink"), 0);
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(file_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+	if (!close_first) {
+		TESTSYSCALL(close(fd));
+		fd = -1;
+	}
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_file_early_close(const char *mount_dir)
+{
+	return bpf_test_file(mount_dir, true);
+}
+
+static int bpf_test_file_late_close(const char *mount_dir)
+{
+	return bpf_test_file(mount_dir, false);
+}
+
+static int bpf_test_alter_errcode_bpf(const char *mount_dir)
+{
+	const char *dir_name = "dir";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	struct stat st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_error",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_mkdir(s_path(s(mount_dir), s(dir_name)), 0777));
+	//TESTEQUAL(bpf_test_trace("mkdir"), 0);
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(dir_name)), &st));
+	TESTEQUAL(s_mkdir(s_path(s(mount_dir), s(dir_name)), 0777), -EPERM);
+	TESTSYSCALL(s_rmdir(s_path(s(mount_dir), s(dir_name))));
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(dir_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_alter_errcode_userspace(const char *mount_dir)
+{
+	const char *dir_name = "doesnotexist";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int pid = -1;
+	int status;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_error",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	FUSE_ACTION
+		TESTEQUAL(s_unlink(s_path(s(mount_dir), s(dir_name))),
+		     -1);
+		TESTEQUAL(errno, ENOMEM);
+	FUSE_DAEMON
+		TESTFUSELOOKUP("doesnotexist", FUSE_POSTFILTER);
+		TESTFUSEOUTERROR(-ENOMEM);
+	FUSE_DONE
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_mknod(const char *mount_dir)
+{
+	const char *file_name = "real";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	struct stat st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_mkfifo(s_path(s(mount_dir), s(file_name)), 0777));
+	TESTEQUAL(bpf_test_trace("mknod"), 0);
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(file_name)), &st));
+	TESTSYSCALL(s_unlink(s_path(s(mount_dir), s(file_name))));
+	TESTEQUAL(bpf_test_trace("unlink"), 0);
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(file_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_largedir(const char *mount_dir)
+{
+	const char *show = "show";
+	const int files = 1000;
+
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	struct map_relocation *map_relocations = NULL;
+	size_t map_count = 0;
+	int pid = -1;
+	int status;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("fd_bpf.bpf", "test_daemon",
+			  &bpf_fd, &map_relocations, &map_count), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	FUSE_ACTION
+		int i;
+		int fd;
+		DIR *dir = NULL;
+		struct dirent *dirent;
+
+		TESTSYSCALL(s_mkdir(s_path(s(mount_dir), s(show)), 0777));
+		for (i = 0; i < files; ++i) {
+			char filename[NAME_MAX];
+
+			sprintf(filename, "%d", i);
+			TEST(fd = s_creat(s_path(s_path(s(mount_dir), s(show)),
+						 s(filename)), 0777), fd != -1);
+			TESTSYSCALL(close(fd));
+		}
+
+		TEST(dir = s_opendir(s_path(s(mount_dir), s(show))), dir);
+		for (dirent = readdir(dir); dirent; dirent = readdir(dir))
+			;
+		closedir(dir);
+	FUSE_DAEMON
+		int i;
+
+		for (i = 0; i < files + 2; ++i) {
+			TESTFUSELOOKUP(show, FUSE_PREFILTER);
+			TESTFUSEOUTREAD(show, 5);
+		}
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_link(const char *mount_dir)
+{
+	const char *file_name = "real";
+	const char *link_name = "partial";
+	int result = TEST_FAILURE;
+	int fd = -1;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	struct stat st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace", &bpf_fd, NULL,
+				  NULL),
+		  0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TEST(fd = s_creat(s_path(s(mount_dir), s(file_name)), 0777), fd != -1);
+	TESTEQUAL(bpf_test_trace("Create"), 0);
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(file_name)), &st));
+
+	TESTSYSCALL(s_link(s_path(s(mount_dir), s(file_name)),
+			   s_path(s(mount_dir), s(link_name))));
+
+	TESTEQUAL(bpf_test_trace("link"), 0);
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(link_name)), &st));
+
+	TESTSYSCALL(s_unlink(s_path(s(mount_dir), s(link_name))));
+	TESTEQUAL(bpf_test_trace("unlink"), 0);
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(link_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+
+	TESTSYSCALL(s_unlink(s_path(s(mount_dir), s(file_name))));
+	TESTEQUAL(bpf_test_trace("unlink"), 0);
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(file_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_symlink(const char *mount_dir)
+{
+	const char *test_name = "real";
+	const char *symlink_name = "partial";
+	const char *test_data = "Weebles wobble but they don't fall down";
+	int result = TEST_FAILURE;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+	char read_buffer[256] = {};
+	ssize_t bytes_read;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TEST(fd = openat(src_fd, test_name, O_CREAT | O_RDWR | O_CLOEXEC, 0777),
+	     fd != -1);
+	TESTEQUAL(write(fd, test_data, strlen(test_data)), strlen(test_data));
+	TESTSYSCALL(close(fd));
+	fd = -1;
+
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_symlink(s_path(s(mount_dir), s(test_name)),
+				   s_path(s(mount_dir), s(symlink_name))));
+	TESTEQUAL(bpf_test_trace("symlink"), 0);
+
+	TESTERR(fd = s_open(s_path(s(mount_dir), s(symlink_name)), O_RDONLY | O_CLOEXEC), fd != -1);
+	bytes_read = read(fd, read_buffer, strlen(test_data));
+	TESTEQUAL(bpf_test_trace("readlink"), 0);
+	TESTEQUAL(bytes_read, strlen(test_data));
+	TESTEQUAL(strcmp(test_data, read_buffer), 0);
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	close(fd);
+	umount(mount_dir);
+	close(src_fd);
+	close(bpf_fd);
+	return result;
+}
+
+static int bpf_test_xattr(const char *mount_dir)
+{
+	static const char file_name[] = "real";
+	static const char xattr_name[] = "user.xattr_test_name";
+	static const char xattr_value[] = "this_is_a_test";
+	const size_t xattr_size = sizeof(xattr_value);
+	char xattr_value_ret[256];
+	ssize_t xattr_size_ret;
+	ssize_t xattr_size_ret_se;
+	int result = TEST_FAILURE;
+	int fd = -1;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	struct stat st;
+
+	memset(xattr_value_ret, '\0', sizeof(xattr_value_ret));
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace", &bpf_fd, NULL,
+				  NULL),
+		  0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TEST(fd = s_creat(s_path(s(mount_dir), s(file_name)), 0777), fd != -1);
+	TESTEQUAL(bpf_test_trace("Create"), 0);
+	TESTSYSCALL(close(fd));
+
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(file_name)), &st));
+	TEST(result = s_getxattr(s_path(s(mount_dir), s(file_name)), xattr_name,
+				 xattr_value_ret, sizeof(xattr_value_ret),
+				 &xattr_size_ret),
+	     result == -1);
+	TESTEQUAL(errno, ENODATA);
+	TESTEQUAL(bpf_test_trace("getxattr"), 0);
+
+	TESTSYSCALL(s_listxattr(s_path(s(mount_dir), s(file_name)),
+				xattr_value_ret, sizeof(xattr_value_ret),
+				&xattr_size_ret_se));
+	TESTEQUAL(bpf_test_trace("listxattr"), 0);
+
+	TESTSYSCALL(s_setxattr(s_path(s(mount_dir), s(file_name)), xattr_name,
+			       xattr_value, xattr_size, 0));
+	TESTEQUAL(bpf_test_trace("setxattr"), 0);
+
+	TESTSYSCALL(s_listxattr(s_path(s(mount_dir), s(file_name)),
+				xattr_value_ret, sizeof(xattr_value_ret),
+				&xattr_size_ret));
+	TESTEQUAL(bpf_test_trace("listxattr"), 0);
+	TESTEQUAL(xattr_size_ret - xattr_size_ret_se, sizeof(xattr_name));
+	TESTEQUAL(strcmp(xattr_name, xattr_value_ret + xattr_size_ret_se), 0);
+
+	TESTSYSCALL(s_getxattr(s_path(s(mount_dir), s(file_name)), xattr_name,
+			       xattr_value_ret, sizeof(xattr_value_ret),
+			       &xattr_size_ret));
+	TESTEQUAL(bpf_test_trace("getxattr"), 0);
+	TESTEQUAL(xattr_size, xattr_size_ret);
+	TESTEQUAL(strcmp(xattr_value, xattr_value_ret), 0);
+
+	TESTSYSCALL(s_removexattr(s_path(s(mount_dir), s(file_name)), xattr_name));
+	TESTEQUAL(bpf_test_trace("removexattr"), 0);
+
+	TESTEQUAL(s_getxattr(s_path(s(mount_dir), s(file_name)), xattr_name,
+			       xattr_value_ret, sizeof(xattr_value_ret),
+			       &xattr_size_ret), -1);
+	TESTEQUAL(errno, ENODATA);
+
+	TESTSYSCALL(s_unlink(s_path(s(mount_dir), s(file_name))));
+	TESTEQUAL(bpf_test_trace("unlink"), 0);
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(file_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_set_backing(const char *mount_dir)
+{
+	const char *backing_name = "backing";
+	const char *test_data = "data";
+	const char *test_name = "test";
+
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	int fd = -1;
+	int pid = -1;
+	int status;
+
+	TESTEQUAL(mount_fuse_no_init(mount_dir, -1, -1, &fuse_dev), 0);
+	FUSE_ACTION
+		char data[256] = {0};
+
+		TESTERR(fd = s_open(s_path(s(mount_dir), s(test_name)),
+				    O_RDONLY | O_CLOEXEC), fd != -1);
+		TESTEQUAL(read(fd, data, strlen(test_data)), strlen(test_data));
+		TESTCOND(!strcmp(data, test_data));
+		TESTSYSCALL(close(fd));
+		fd = -1;
+		TESTSYSCALL(umount(mount_dir));
+	FUSE_DAEMON
+		int bpf_fd  = -1;
+		int backing_fd = -1;
+
+		TESTERR(backing_fd = s_creat(s_path(s(ft_src), s(backing_name)), 0777),
+			backing_fd != -1);
+		TESTEQUAL(write(backing_fd, test_data, strlen(test_data)),
+			  strlen(test_data));
+		TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_simple",
+					  &bpf_fd, NULL, NULL), 0);
+
+		TESTFUSEINIT();
+		TESTFUSELOOKUP(test_name, 0);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {0}),
+			     fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+			.backing_action = FUSE_ACTION_REPLACE,
+			.backing_fd = backing_fd,
+			.bpf_action = FUSE_ACTION_REPLACE,
+			.bpf_fd = bpf_fd,
+			}));
+		read(fuse_dev, bytes_in, sizeof(bytes_in));
+		TESTSYSCALL(close(bpf_fd));
+		TESTSYSCALL(close(backing_fd));
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	if (!pid)
+		exit(TEST_FAILURE);
+	close(fuse_dev);
+	close(fd);
+	umount(mount_dir);
+	return result;
+}
+
+static int bpf_test_remove_backing(const char *mount_dir)
+{
+	const char *folder1 = "folder1";
+	const char *folder2 = "folder2";
+	const char *file = "file1";
+	const char *contents1 = "contents1";
+	const char *contents2 = "contents2";
+
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	int fd = -1;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int pid = -1;
+	int status;
+	char data[256] = {0};
+
+	/*
+	 * Create folder1/file
+	 *        folder2/file
+	 *
+	 * test will install bpf into mount
+	 * bpf will postfilter root lookup to daemon
+	 * daemon will remove bpf and redirect opens on folder1 to folder2
+	 * test will open folder1/file which will be redirected to folder2
+	 * test will check no traces for file, and contents are folder2/file
+	 */
+	TESTEQUAL(bpf_clear_trace(), 0);
+	TESTSYSCALL(s_mkdir(s_path(s(ft_src), s(folder1)), 0777));
+	TEST(fd = s_creat(s_pathn(3, s(ft_src), s(folder1), s(file)), 0777),
+	     fd != -1);
+	TESTEQUAL(write(fd, contents1, strlen(contents1)), strlen(contents1));
+	TESTSYSCALL(close(fd));
+	TESTSYSCALL(s_mkdir(s_path(s(ft_src), s(folder2)), 0777));
+	TEST(fd = s_creat(s_pathn(3, s(ft_src), s(folder2), s(file)), 0777),
+	     fd != -1);
+	TESTEQUAL(write(fd, contents2, strlen(contents2)), strlen(contents2));
+	TESTSYSCALL(close(fd));
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_passthrough", &bpf_fd,
+				  NULL, NULL), 0);
+	TESTEQUAL(mount_fuse_no_init(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	FUSE_ACTION
+		TESTERR(fd = s_open(s_pathn(3, s(mount_dir), s(folder1),
+					    s(file)),
+				    O_RDONLY | O_CLOEXEC), fd != -1);
+		TESTEQUAL(read(fd, data, sizeof(data)), strlen(contents2));
+		TESTCOND(!strcmp(data, contents2));
+		TESTEQUAL(bpf_test_no_trace("file"), 0);
+		TESTSYSCALL(close(fd));
+		fd = -1;
+		TESTSYSCALL(umount(mount_dir));
+	FUSE_DAEMON
+		struct {
+			char name[8];
+			struct fuse_entry_out feo;
+			struct fuse_entry_bpf_out febo;
+		} __attribute__((packed)) in;
+		int backing_fd = -1;
+
+		TESTFUSEINIT();
+		TESTFUSEIN(FUSE_LOOKUP | FUSE_POSTFILTER, &in);
+		TEST(backing_fd = s_open(s_path(s(ft_src), s(folder2)),
+				 O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+		     backing_fd != -1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {0}),
+			     fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+			.bpf_action = FUSE_ACTION_REMOVE,
+			.backing_action = FUSE_ACTION_REPLACE,
+			.backing_fd = backing_fd,
+			}));
+
+		while (read(fuse_dev, bytes_in, sizeof(bytes_in)) != -1)
+			;
+		TESTSYSCALL(close(backing_fd));
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	close(fd);
+	close(src_fd);
+	close(bpf_fd);
+	umount(mount_dir);
+	return result;
+}
+
+static int bpf_test_dir_rename(const char *mount_dir)
+{
+	const char *dir_name = "dir";
+	const char *dir_name2 = "dir2";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	struct stat st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_mkdir(s_path(s(mount_dir), s(dir_name)), 0777));
+	TESTEQUAL(bpf_test_trace("mkdir"), 0);
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(dir_name)), &st));
+	TESTSYSCALL(s_rename(s_path(s(mount_dir), s(dir_name)),
+			     s_path(s(mount_dir), s(dir_name2))));
+	TESTEQUAL(s_stat(s_path(s(ft_src), s(dir_name)), &st), -1);
+	TESTEQUAL(errno, ENOENT);
+	TESTSYSCALL(s_stat(s_path(s(ft_src), s(dir_name2)), &st));
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	umount(mount_dir);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_file_rename(const char *mount_dir)
+{
+	const char *dir = "dir";
+	const char *file1 = "file1";
+	const char *file2 = "file2";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_mkdir(s_path(s(mount_dir), s(dir)), 0777));
+	TEST(fd = s_creat(s_pathn(3, s(mount_dir), s(dir), s(file1)), 0777),
+	     fd != -1);
+	TESTSYSCALL(s_rename(s_pathn(3, s(mount_dir), s(dir), s(file1)),
+			     s_pathn(3, s(mount_dir), s(dir), s(file2))));
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	umount(mount_dir);
+	close(fuse_dev);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int mmap_test(const char *mount_dir)
+{
+	const char *file = "file";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+	char *addr = NULL;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(mount_fuse(mount_dir, -1, src_fd, &fuse_dev), 0);
+	TEST(fd = s_open(s_path(s(mount_dir), s(file)),
+			 O_CREAT | O_RDWR | O_CLOEXEC, 0777),
+	     fd != -1);
+	TESTSYSCALL(fallocate(fd, 0, 4096, SEEK_CUR));
+	TEST(addr = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0),
+	     addr != (void *) -1);
+	memset(addr, 'a', 4096);
+
+	result = TEST_SUCCESS;
+out:
+	munmap(addr, 4096);
+	close(fd);
+	umount(mount_dir);
+	close(fuse_dev);
+	close(src_fd);
+	return result;
+}
+
+static int flock_test(const char *mount_dir)
+{
+	const char *file = "file";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1, fd2 = -1;
+	int backing_fd = -1;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(mount_fuse(mount_dir, -1, src_fd, &fuse_dev), 0);
+	TEST(fd = s_open(s_path(s(mount_dir), s(file)),
+			 O_CREAT | O_RDWR | O_CLOEXEC, 0777),
+	     fd != -1);
+	TEST(fd2 = s_open(s_path(s(mount_dir), s(file)),
+				 O_RDWR | O_CLOEXEC, 0777),
+		     fd2 != -1);
+	TESTSYSCALL(flock(fd, LOCK_EX | LOCK_NB));
+	TESTCONDERR((flock(fd2, LOCK_EX | LOCK_NB)) == -1);
+	TESTCOND(errno == EAGAIN);
+	TESTSYSCALL(flock(fd, LOCK_UN));
+	TESTSYSCALL(flock(fd2, LOCK_EX | LOCK_NB));
+	TEST(backing_fd = s_open(s_path(s(ft_src), s(file)),
+				 O_RDONLY | O_CLOEXEC),
+				 backing_fd != -1);
+	TESTCONDERR((flock(backing_fd, LOCK_EX | LOCK_NB)) == -1);
+	TESTCOND(errno == EAGAIN);
+	close(fd2);
+	fd2 = 0;
+	TESTSYSCALL(flock(backing_fd, LOCK_EX | LOCK_NB));
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	close(fd2);
+	close(backing_fd);
+	umount(mount_dir);
+	close(fuse_dev);
+	close(src_fd);
+	return result;
+}
+
+static int readdir_perms_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	struct __user_cap_header_struct uchs = { _LINUX_CAPABILITY_VERSION_3 };
+	struct __user_cap_data_struct ucds[2];
+	int src_fd = -1;
+	int fuse_dev = -1;
+	DIR *dir = NULL;
+
+	/* Must remove capabilities for this test. */
+	TESTSYSCALL(syscall(SYS_capget, &uchs, ucds));
+	ucds[0].effective &= ~(1 << CAP_DAC_OVERRIDE | 1 << CAP_DAC_READ_SEARCH);
+	TESTSYSCALL(syscall(SYS_capset, &uchs, ucds));
+
+	/* This is what we are testing in fuseland. First test without fuse, */
+	TESTSYSCALL(mkdir("test", 0111));
+	TEST(dir = opendir("test"), dir == NULL);
+	closedir(dir);
+	dir = NULL;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(mount_fuse(mount_dir, -1, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_mkdir(s_path(s(mount_dir), s("test")), 0111));
+	TEST(dir = s_opendir(s_path(s(mount_dir), s("test"))), dir == NULL);
+
+	result = TEST_SUCCESS;
+out:
+	ucds[0].effective |= 1 << CAP_DAC_OVERRIDE | 1 << CAP_DAC_READ_SEARCH;
+	syscall(SYS_capset, &uchs, ucds);
+
+	closedir(dir);
+	s_rmdir(s_path(s(mount_dir), s("test")));
+	umount(mount_dir);
+	close(fuse_dev);
+	close(src_fd);
+	rmdir("test");
+	return result;
+}
+
+static int inotify_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	struct s dir;
+	int inotify_fd = -1;
+	int watch;
+	int fd = -1;
+	char buffer[sizeof(struct inotify_event) + NAME_MAX + 1];
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(mount_fuse(mount_dir, -1, src_fd, &fuse_dev), 0);
+
+	TEST(inotify_fd = inotify_init1(IN_CLOEXEC), inotify_fd != -1);
+	dir = s_path(s(mount_dir), s("dir"));
+	TESTSYSCALL(mkdir(dir.s, 0777));
+	TEST(watch = inotify_add_watch(inotify_fd, dir.s, IN_CREATE), watch);
+	TEST(fd = s_creat(s_path(s(ft_src), s("dir/file")), 0777), fd != -1);
+	// buffer will be two struct lengths, as "file" gets rounded up to the
+	// next multiple of struct inotify_event
+	TESTEQUAL(read(inotify_fd, &buffer, sizeof(buffer)),
+		  sizeof(struct inotify_event) * 2);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	s_unlink(s_path(s(ft_src), s("dir/file")));
+	close(inotify_fd);
+	rmdir(dir.s);
+	free(dir.s);
+	umount(mount_dir);
+	close(fuse_dev);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_statfs(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+	struct statfs st;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TESTSYSCALL(s_statfs(s(mount_dir), &st));
+	TESTEQUAL(bpf_test_trace("statfs"), 0);
+	TESTEQUAL(st.f_type, 0x65735546);
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	umount(mount_dir);
+	close(fuse_dev);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+static int bpf_test_lseek(const char *mount_dir)
+{
+	const char *file = "real";
+	const char *test_data = "data";
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TEST(fd = openat(src_fd, file, O_CREAT | O_RDWR | O_CLOEXEC, 0777),
+	     fd != -1);
+	TESTEQUAL(write(fd, test_data, strlen(test_data)), strlen(test_data));
+	TESTSYSCALL(close(fd));
+	fd = -1;
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_trace",
+				  &bpf_fd, NULL, NULL), 0);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+
+	TEST(fd = s_open(s_path(s(mount_dir), s(file)), O_RDONLY | O_CLOEXEC),
+	     fd != -1);
+	TESTEQUAL(lseek(fd, 3, SEEK_SET), 3);
+	TESTEQUAL(bpf_test_trace("lseek"), 0);
+	TESTEQUAL(lseek(fd, 5, SEEK_END), 9);
+	TESTEQUAL(bpf_test_trace("lseek"), 0);
+	TESTEQUAL(lseek(fd, 1, SEEK_CUR), 10);
+	TESTEQUAL(bpf_test_trace("lseek"), 0);
+	TESTEQUAL(lseek(fd, 1, SEEK_DATA), 1);
+	TESTEQUAL(bpf_test_trace("lseek"), 0);
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	umount(mount_dir);
+	close(fuse_dev);
+	close(bpf_fd);
+	close(src_fd);
+	return result;
+}
+
+/*
+ * State:
+ * Original: dst/folder1/content.txt
+ *                  ^
+ *                  |
+ *                  |
+ * Backing:  src/folder1/content.txt
+ *
+ * Step 1:  open(folder1) - set backing to src/folder1
+ * Check 1: cat(content.txt) - check not receiving call on the fuse daemon
+ *                             and content is the same
+ * Step 2:  readdirplus(dst)
+ * Check 2: cat(content.txt) - check not receiving call on the fuse daemon
+ *                             and content is the same
+ */
+static int bpf_test_readdirplus_not_overriding_backing(const char *mount_dir)
+{
+	const char *folder1 = "folder1";
+	const char *content_file = "content.txt";
+	const char *content = "hello world";
+
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	int src_fd = -1;
+	int content_fd = -1;
+	int pid = -1;
+	int status;
+
+	TESTSYSCALL(s_mkdir(s_path(s(ft_src), s(folder1)), 0777));
+	TEST(content_fd = s_creat(s_pathn(3, s(ft_src), s(folder1), s(content_file)), 0777),
+		content_fd != -1);
+	TESTEQUAL(write(content_fd, content, strlen(content)), strlen(content));
+	TESTEQUAL(mount_fuse_no_init(mount_dir, -1, -1, &fuse_dev), 0);
+
+	FUSE_ACTION
+		DIR *open_mount_dir = NULL;
+		struct dirent *mount_dirent;
+		int dst_folder1_fd = -1;
+		int dst_content_fd = -1;
+		int dst_content_read_size = -1;
+		char content_buffer[12];
+
+		// Step 1: Lookup folder1
+		TESTERR(dst_folder1_fd = s_open(s_path(s(mount_dir), s(folder1)),
+			O_RDONLY | O_CLOEXEC), dst_folder1_fd != -1);
+
+		// Check 1: Read content file (backed)
+		TESTERR(dst_content_fd =
+			s_open(s_pathn(3, s(mount_dir), s(folder1), s(content_file)),
+			O_RDONLY | O_CLOEXEC), dst_content_fd != -1);
+
+		TEST(dst_content_read_size =
+			read(dst_content_fd, content_buffer, strlen(content)),
+			dst_content_read_size == strlen(content) &&
+			strcmp(content, content_buffer) == 0);
+
+		TESTSYSCALL(close(dst_content_fd));
+		dst_content_fd = -1;
+		TESTSYSCALL(close(dst_folder1_fd));
+		dst_folder1_fd = -1;
+		memset(content_buffer, 0, strlen(content));
+
+		// Step 2: readdir folder 1
+		TEST(open_mount_dir = s_opendir(s(mount_dir)),
+			open_mount_dir != NULL);
+		TEST(mount_dirent = readdir(open_mount_dir), mount_dirent != NULL);
+		TESTSYSCALL(closedir(open_mount_dir));
+		open_mount_dir = NULL;
+
+		// Check 2: Read content file again (must be backed)
+		TESTERR(dst_content_fd =
+			s_open(s_pathn(3, s(mount_dir), s(folder1), s(content_file)),
+			O_RDONLY | O_CLOEXEC), dst_content_fd != -1);
+
+		TEST(dst_content_read_size =
+			read(dst_content_fd, content_buffer, strlen(content)),
+			dst_content_read_size == strlen(content) &&
+			strcmp(content, content_buffer) == 0);
+
+		TESTSYSCALL(close(dst_content_fd));
+		dst_content_fd = -1;
+	FUSE_DAEMON
+		size_t read_size = 0;
+		struct fuse_in_header *in_header = (struct fuse_in_header *)bytes_in;
+		struct fuse_read_out *read_out = NULL;
+		struct fuse_attr attr = {};
+		int backing_fd = -1;
+		DECL_FUSE_IN(open);
+		DECL_FUSE_IN(getattr);
+
+		TESTFUSEINITFLAGS(FUSE_DO_READDIRPLUS | FUSE_READDIRPLUS_AUTO);
+
+		// Step 1: Lookup folder 1 with backing
+		TESTFUSELOOKUP(folder1, 0);
+		TESTSYSCALL(s_fuse_attr(s_path(s(ft_src), s(folder1)), &attr));
+		TEST(backing_fd = s_open(s_path(s(ft_src), s(folder1)),
+					 O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+		     backing_fd != -1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {
+				.nodeid = attr.ino,
+				.generation = 0,
+				.entry_valid = UINT64_MAX,
+				.attr_valid = UINT64_MAX,
+				.entry_valid_nsec = UINT32_MAX,
+				.attr_valid_nsec = UINT32_MAX,
+				.attr = attr,
+			     }), fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+				.backing_action = FUSE_ACTION_REPLACE,
+				.backing_fd = backing_fd,
+			     }));
+		TESTSYSCALL(close(backing_fd));
+
+		// Step 2: Open root dir
+		TESTFUSEIN(FUSE_OPENDIR, open_in);
+		TESTFUSEOUT1(fuse_open_out, ((struct fuse_open_out) {
+			.fh = 100,
+			.open_flags = open_in->flags
+		}));
+
+		// Step 2: Handle getattr
+		TESTFUSEIN(FUSE_GETATTR, getattr_in);
+		TESTSYSCALL(s_fuse_attr(s(ft_src), &attr));
+		TESTFUSEOUT1(fuse_attr_out, ((struct fuse_attr_out) {
+			.attr_valid = UINT64_MAX,
+			.attr_valid_nsec = UINT32_MAX,
+			.attr = attr
+		}));
+
+		// Step 2: Handle readdirplus
+		read_size = read(fuse_dev, bytes_in, sizeof(bytes_in));
+		TESTEQUAL(in_header->opcode, FUSE_READDIRPLUS);
+
+		struct fuse_direntplus *dirent_plus =
+			(struct fuse_direntplus *) (bytes_in + read_size);
+		struct fuse_dirent dirent;
+		struct fuse_entry_out entry_out;
+
+		read_out = (struct fuse_read_out *) (bytes_in +
+					sizeof(*in_header) +
+					sizeof(struct fuse_read_in));
+
+		TESTSYSCALL(s_fuse_attr(s_path(s(ft_src), s(folder1)), &attr));
+
+		dirent = (struct fuse_dirent) {
+			.ino = attr.ino,
+			.off = 1,
+			.namelen = strlen(folder1),
+			.type = DT_REG
+		};
+		entry_out = (struct fuse_entry_out) {
+			.nodeid = attr.ino,
+			.generation = 0,
+			.entry_valid = UINT64_MAX,
+			.attr_valid = UINT64_MAX,
+			.entry_valid_nsec = UINT32_MAX,
+			.attr_valid_nsec = UINT32_MAX,
+			.attr = attr
+		};
+		*dirent_plus = (struct fuse_direntplus) {
+			.dirent = dirent,
+			.entry_out = entry_out
+		};
+
+		strcpy((char *)(bytes_in + read_size + sizeof(*dirent_plus)), folder1);
+		read_size += FUSE_DIRENT_ALIGN(sizeof(*dirent_plus) + strlen(folder1) +
+					1);
+		TESTFUSEDIROUTREAD(read_out,
+				bytes_in +
+				sizeof(struct fuse_in_header) +
+				sizeof(struct fuse_read_in) +
+				sizeof(struct fuse_read_out),
+				read_size - sizeof(struct fuse_in_header) -
+					sizeof(struct fuse_read_in) -
+					sizeof(struct fuse_read_out));
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+
+out:
+	close(fuse_dev);
+	close(content_fd);
+	close(src_fd);
+	umount(mount_dir);
+	return result;
+}
+
+static int bpf_test_no_readdirplus_without_nodeid(const char *mount_dir)
+{
+	const char *folder1 = "folder1";
+	const char *folder2 = "folder2";
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	int src_fd = -1;
+	int content_fd = -1;
+	int bpf_fd = -1;
+	int pid = -1;
+	int status;
+
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_readdirplus",
+					  &bpf_fd, NULL, NULL), 0);
+	TESTSYSCALL(s_mkdir(s_path(s(ft_src), s(folder1)), 0777));
+	TESTSYSCALL(s_mkdir(s_path(s(ft_src), s(folder2)), 0777));
+	TESTEQUAL(mount_fuse_no_init(mount_dir, -1, -1, &fuse_dev), 0);
+	FUSE_ACTION
+		DIR *open_dir = NULL;
+		struct dirent *dirent;
+
+		// Folder 1: Readdir with no nodeid
+		TEST(open_dir = s_opendir(s_path(s(ft_dst), s(folder1))),
+				open_dir != NULL);
+		TEST(dirent = readdir(open_dir), dirent == NULL);
+		TESTCOND(errno == EINVAL);
+		TESTSYSCALL(closedir(open_dir));
+		open_dir = NULL;
+
+		// Folder 2: Readdir with a nodeid
+		TEST(open_dir = s_opendir(s_path(s(ft_dst), s(folder2))),
+				open_dir != NULL);
+		TEST(dirent = readdir(open_dir), dirent == NULL);
+		TESTCOND(errno == EINVAL);
+		TESTSYSCALL(closedir(open_dir));
+		open_dir = NULL;
+	FUSE_DAEMON
+		size_t read_size;
+		struct fuse_in_header *in_header = (struct fuse_in_header *)bytes_in;
+		struct fuse_attr attr = {};
+		int backing_fd = -1;
+
+		TESTFUSEINITFLAGS(FUSE_DO_READDIRPLUS | FUSE_READDIRPLUS_AUTO);
+
+		// folder 1: Set 0 as nodeid, Expect READDIR
+		TESTFUSELOOKUP(folder1, 0);
+		TEST(backing_fd = s_open(s_path(s(ft_src), s(folder1)),
+					 O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+		     backing_fd != -1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {
+				.nodeid = 0,
+				.generation = 0,
+				.entry_valid = UINT64_MAX,
+				.attr_valid = UINT64_MAX,
+				.entry_valid_nsec = UINT32_MAX,
+				.attr_valid_nsec = UINT32_MAX,
+				.attr = attr,
+			     }), fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+				.backing_action = FUSE_ACTION_REPLACE,
+				.backing_fd = backing_fd,
+				.bpf_action = FUSE_ACTION_REPLACE,
+				.bpf_fd = bpf_fd,
+			     }));
+		TESTSYSCALL(close(backing_fd));
+		TEST(read_size = read(fuse_dev, bytes_in, sizeof(bytes_in)), read_size > 0);
+		TESTEQUAL(in_header->opcode, FUSE_READDIR);
+		TESTFUSEOUTERROR(-EINVAL);
+
+		// folder 2: Set 10 as nodeid, Expect READDIRPLUS
+		TESTFUSELOOKUP(folder2, 0);
+		TEST(backing_fd = s_open(s_path(s(ft_src), s(folder2)),
+					 O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+		     backing_fd != -1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {
+				.nodeid = 10,
+				.generation = 0,
+				.entry_valid = UINT64_MAX,
+				.attr_valid = UINT64_MAX,
+				.entry_valid_nsec = UINT32_MAX,
+				.attr_valid_nsec = UINT32_MAX,
+				.attr = attr,
+			     }), fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+				.backing_action = FUSE_ACTION_REPLACE,
+				.backing_fd = backing_fd,
+				.bpf_action = FUSE_ACTION_REPLACE,
+				.bpf_fd = bpf_fd,
+			     }));
+		TESTSYSCALL(close(backing_fd));
+		TEST(read_size = read(fuse_dev, bytes_in, sizeof(bytes_in)), read_size > 0);
+		TESTEQUAL(in_header->opcode, FUSE_READDIRPLUS);
+		TESTFUSEOUTERROR(-EINVAL);
+	FUSE_DONE
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	close(content_fd);
+	close(src_fd);
+	close(bpf_fd);
+	umount(mount_dir);
+	return result;
+}
+
+/*
+ * State:
+ * Original: dst/folder1/content.txt
+ *                  ^
+ *                  |
+ *                  |
+ * Backing:  src/folder1/content.txt
+ *
+ * Step 1:  open(folder1) - lookup folder1 with entry_timeout set to 0
+ * Step 2:  open(folder1) - lookup folder1 again to trigger revalidate wich will
+ *                          set backing fd
+ *
+ * Check 1: cat(content.txt) - check not receiving call on the fuse daemon
+ *                             and content is the same
+ */
+static int bpf_test_revalidate_handle_backing_fd(const char *mount_dir)
+{
+	const char *folder1 = "folder1";
+	const char *content_file = "content.txt";
+	const char *content = "hello world";
+	int result = TEST_FAILURE;
+	int fuse_dev = -1;
+	int src_fd = -1;
+	int content_fd = -1;
+	int pid = -1;
+	int status;
+	TESTSYSCALL(s_mkdir(s_path(s(ft_src), s(folder1)), 0777));
+	TEST(content_fd = s_creat(s_pathn(3, s(ft_src), s(folder1), s(content_file)), 0777),
+		content_fd != -1);
+	TESTEQUAL(write(content_fd, content, strlen(content)), strlen(content));
+	TESTSYSCALL(close(content_fd));
+	content_fd = -1;
+	TESTEQUAL(mount_fuse_no_init(mount_dir, -1, -1, &fuse_dev), 0);
+	FUSE_ACTION
+		int dst_folder1_fd = -1;
+		int dst_content_fd = -1;
+		int dst_content_read_size = -1;
+		char content_buffer[9] = {0};
+		// Step 1: Lookup folder1
+		TESTERR(dst_folder1_fd = s_open(s_path(s(mount_dir), s(folder1)),
+			O_RDONLY | O_CLOEXEC), dst_folder1_fd != -1);
+		TESTSYSCALL(close(dst_folder1_fd));
+		dst_folder1_fd = -1;
+		// Step 2: Lookup folder1 again
+		TESTERR(dst_folder1_fd = s_open(s_path(s(mount_dir), s(folder1)),
+			O_RDONLY | O_CLOEXEC), dst_folder1_fd != -1);
+		TESTSYSCALL(close(dst_folder1_fd));
+		dst_folder1_fd = -1;
+		// Check 1: Read content file (must be backed)
+		TESTERR(dst_content_fd =
+			s_open(s_pathn(3, s(mount_dir), s(folder1), s(content_file)),
+			O_RDONLY | O_CLOEXEC), dst_content_fd != -1);
+		TEST(dst_content_read_size =
+			read(dst_content_fd, content_buffer, strlen(content)),
+			dst_content_read_size == strlen(content) &&
+			strcmp(content, content_buffer) == 0);
+		TESTSYSCALL(close(dst_content_fd));
+		dst_content_fd = -1;
+	FUSE_DAEMON
+		struct fuse_attr attr = {};
+		int backing_fd = -1;
+		TESTFUSEINITFLAGS(FUSE_DO_READDIRPLUS | FUSE_READDIRPLUS_AUTO);
+		// Step 1: Lookup folder1 set entry_timeout to 0 to trigger
+		// revalidate later
+		TESTFUSELOOKUP(folder1, 0);
+		TESTSYSCALL(s_fuse_attr(s_path(s(ft_src), s(folder1)), &attr));
+		TEST(backing_fd = s_open(s_path(s(ft_src), s(folder1)),
+					 O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+		     backing_fd != -1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {
+				.nodeid = attr.ino,
+				.generation = 0,
+				.entry_valid = 0,
+				.attr_valid = UINT64_MAX,
+				.entry_valid_nsec = 0,
+				.attr_valid_nsec = UINT32_MAX,
+				.attr = attr,
+			     }), fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+				.backing_action = FUSE_ACTION_REPLACE,
+				.backing_fd = backing_fd,
+			     }));
+		TESTSYSCALL(close(backing_fd));
+		// Step 1: Lookup folder1 as a reaction to revalidate call
+		// This attempts to change the backing node, which is not allowed on revalidate
+		TESTFUSELOOKUP(folder1, 0);
+		TESTSYSCALL(s_fuse_attr(s_path(s(ft_src), s(folder1)), &attr));
+		TEST(backing_fd = s_open(s_path(s(ft_src), s(folder1)),
+					 O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+		     backing_fd != -1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {
+				.nodeid = attr.ino,
+				.generation = 0,
+				.entry_valid = UINT64_MAX,
+				.attr_valid = UINT64_MAX,
+				.entry_valid_nsec = UINT32_MAX,
+				.attr_valid_nsec = UINT32_MAX,
+				.attr = attr,
+			     }), fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+				.backing_action = FUSE_ACTION_REPLACE,
+				.backing_fd = backing_fd,
+			     }));
+		TESTSYSCALL(close(backing_fd));
+
+		// Lookup folder1 as a reaction to failed revalidate
+		TESTFUSELOOKUP(folder1, 0);
+		TESTSYSCALL(s_fuse_attr(s_path(s(ft_src), s(folder1)), &attr));
+		TEST(backing_fd = s_open(s_path(s(ft_src), s(folder1)),
+					 O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+		     backing_fd != -1);
+		TESTFUSEOUT2(fuse_entry_out, ((struct fuse_entry_out) {
+				.nodeid = attr.ino,
+				.generation = 0,
+				.entry_valid = UINT64_MAX,
+				.attr_valid = UINT64_MAX,
+				.entry_valid_nsec = UINT32_MAX,
+				.attr_valid_nsec = UINT32_MAX,
+				.attr = attr,
+			     }), fuse_entry_bpf_out, ((struct fuse_entry_bpf_out) {
+				.backing_action = FUSE_ACTION_REPLACE,
+				.backing_fd = backing_fd,
+			     }));
+		TESTSYSCALL(close(backing_fd));
+	FUSE_DONE
+	result = TEST_SUCCESS;
+out:
+	close(fuse_dev);
+	close(content_fd);
+	close(src_fd);
+	umount(mount_dir);
+	return result;
+}
+
+static int bpf_test_lookup_postfilter(const char *mount_dir)
+{
+	const char *file1_name = "file1";
+	const char *file2_name = "file2";
+	const char *file3_name = "file3";
+	int result = TEST_FAILURE;
+	int bpf_fd = -1;
+	int src_fd = -1;
+	int fuse_dev = -1;
+	int file_fd = -1;
+	int pid = -1;
+	int status;
+
+	TEST(file_fd = s_creat(s_path(s(ft_src), s(file1_name)), 0777),
+	     file_fd != -1);
+	TESTSYSCALL(close(file_fd));
+	TEST(file_fd = s_creat(s_path(s(ft_src), s(file2_name)), 0777),
+	     file_fd != -1);
+	TESTSYSCALL(close(file_fd));
+	file_fd = -1;
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_lookup_postfilter",
+					  &bpf_fd, NULL, NULL), 0);
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(mount_fuse(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+	FUSE_ACTION
+		int fd = -1;
+
+		TESTEQUAL(s_open(s_path(s(mount_dir), s(file1_name)), O_RDONLY),
+			  -1);
+		TESTEQUAL(errno, ENOENT);
+		TEST(fd = s_open(s_path(s(mount_dir), s(file2_name)), O_RDONLY),
+		     fd != -1);
+		TESTSYSCALL(close(fd));
+		TESTEQUAL(s_open(s_path(s(mount_dir), s(file3_name)), O_RDONLY),
+			  -1);
+	FUSE_DAEMON
+		struct fuse_in_header *in_header =
+				(struct fuse_in_header *)bytes_in;
+		struct fuse_entry_out *feo;
+		struct fuse_entry_bpf_out *febo;
+
+		TESTFUSELOOKUP(file1_name, FUSE_POSTFILTER);
+		TESTFUSEOUTERROR(-ENOENT);
+
+		TESTFUSELOOKUP(file2_name, FUSE_POSTFILTER);
+		feo = (struct fuse_entry_out *) (bytes_in +
+			sizeof(struct fuse_in_header) +	strlen(file2_name) + 1);
+		febo = (struct fuse_entry_bpf_out *) ((char *)feo +
+			sizeof(*feo));
+		TESTFUSEOUT2(fuse_entry_out, *feo, fuse_entry_bpf_out, *febo);
+
+		TESTFUSELOOKUP(file3_name, FUSE_POSTFILTER);
+		TESTEQUAL(in_header->error_in, -ENOENT);
+		TESTFUSEOUTERROR(-ENOENT);
+	FUSE_DONE
+
+	result = TEST_SUCCESS;
+out:
+	close(file_fd);
+	close(fuse_dev);
+	umount(mount_dir);
+	close(src_fd);
+	close(bpf_fd);
+	return result;
+}
+
+/**
+ * Test that a file made via create_and_open correctly gets the bpf assigned
+ * from the negative lookup
+ * bpf blocks file open, but also removes itself from children
+ * This test will fail if the 'remove' is unsuccessful
+ */
+static int bpf_test_create_and_remove_bpf(const char *mount_dir)
+{
+	const char *file = "file";
+
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+	int fd2 = -1;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_create_remove", &bpf_fd,
+				  NULL, NULL), 0);
+	TESTEQUAL(mount_fuse_no_init(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+	TEST(fd = s_creat(s_path(s(mount_dir), s(file)), 0777),
+	     fd != -1);
+	TEST(fd2 = s_open(s_path(s(mount_dir), s(file)), O_RDONLY),
+	     fd2 != -1);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd2);
+	close(fd);
+	close(fuse_dev);
+	close(bpf_fd);
+	close(src_fd);
+	umount(mount_dir);
+	return result;
+}
+
+static int bpf_test_mkdir_and_remove_bpf(const char *mount_dir)
+{
+	const char *dir = "dir";
+
+	int result = TEST_FAILURE;
+	int src_fd = -1;
+	int bpf_fd = -1;
+	int fuse_dev = -1;
+	int fd = -1;
+	int fd2 = -1;
+
+	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
+	     src_fd != -1);
+	TESTEQUAL(install_elf_bpf("test_bpf.bpf", "test_mkdir_remove", &bpf_fd,
+				  NULL, NULL), 0);
+	TESTEQUAL(mount_fuse_no_init(mount_dir, bpf_fd, src_fd, &fuse_dev), 0);
+	TEST(fd = s_mkdir(s_path(s(mount_dir), s(dir)), 0777),
+	     fd != -1);
+	TEST(fd2 = s_open(s_path(s(mount_dir), s(dir)), O_RDONLY),
+	     fd2 != -1);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd2);
+	close(fd);
+	close(fuse_dev);
+	close(bpf_fd);
+	close(src_fd);
+	umount(mount_dir);
+	return result;
+}
+
+static void parse_range(const char *ranges, bool *run_test, size_t tests)
+{
+	size_t i;
+	char *range;
+
+	for (i = 0; i < tests; ++i)
+		run_test[i] = false;
+
+	range = strtok(optarg, ",");
+	while (range) {
+		char *dash = strchr(range, '-');
+
+		if (dash) {
+			size_t start = 1, end = tests;
+			char *end_ptr;
+
+			if (dash > range) {
+				start = strtol(range, &end_ptr, 10);
+				if (*end_ptr != '-' || start <= 0 || start > tests)
+					ksft_exit_fail_msg("Bad range\n");
+			}
+
+			if (dash[1]) {
+				end = strtol(dash + 1, &end_ptr, 10);
+				if (*end_ptr || end <= start || end > tests)
+					ksft_exit_fail_msg("Bad range\n");
+			}
+
+			for (i = start; i <= end; ++i)
+				run_test[i - 1] = true;
+		} else {
+			char *end;
+			long value = strtol(range, &end, 10);
+
+			if (*end || value <= 0 || value > tests)
+				ksft_exit_fail_msg("Bad range\n");
+			run_test[value - 1] = true;
+		}
+		range = strtok(NULL, ",");
+	}
+}
+
+static int parse_options(int argc, char *const *argv, bool *run_test,
+			 size_t tests)
+{
+	signed char c;
+
+	while ((c = getopt(argc, argv, "f:t:v")) != -1)
+		switch (c) {
+		case 'f':
+			test_options.file = strtol(optarg, NULL, 10);
+			break;
+
+		case 't':
+			parse_range(optarg, run_test, tests);
+			break;
+
+		case 'v':
+			test_options.verbose = true;
+			break;
+
+		default:
+			return -EINVAL;
+		}
+
+	return 0;
+}
+
+struct test_case {
+	int (*pfunc)(const char *dir);
+	const char *name;
+};
+
+static void run_one_test(const char *mount_dir,
+			 const struct test_case *test_case)
+{
+	ksft_print_msg("Running %s\n", test_case->name);
+	if (test_case->pfunc(mount_dir) == TEST_SUCCESS)
+		ksft_test_result_pass("%s\n", test_case->name);
+	else
+		ksft_test_result_fail("%s\n", test_case->name);
+}
+
+int main(int argc, char *argv[])
+{
+	char *mount_dir = NULL;
+	char *src_dir = NULL;
+	int i;
+	int fd, count;
+
+#define MAKE_TEST(test)                                                        \
+	{                                                                      \
+		test, #test                                                    \
+	}
+	const struct test_case cases[] = {
+		MAKE_TEST(basic_test),
+		MAKE_TEST(bpf_test_real),
+		MAKE_TEST(bpf_test_partial),
+		MAKE_TEST(bpf_test_attrs),
+		MAKE_TEST(bpf_test_readdir),
+		MAKE_TEST(bpf_test_creat),
+		MAKE_TEST(bpf_test_hidden_entries),
+		MAKE_TEST(bpf_test_dir),
+		MAKE_TEST(bpf_test_file_early_close),
+		MAKE_TEST(bpf_test_file_late_close),
+		MAKE_TEST(bpf_test_mknod),
+		MAKE_TEST(bpf_test_largedir),
+		MAKE_TEST(bpf_test_link),
+		MAKE_TEST(bpf_test_symlink),
+		MAKE_TEST(bpf_test_xattr),
+		MAKE_TEST(bpf_test_redact_readdir),
+		MAKE_TEST(bpf_test_set_backing),
+		MAKE_TEST(bpf_test_remove_backing),
+		MAKE_TEST(bpf_test_dir_rename),
+		MAKE_TEST(bpf_test_file_rename),
+		MAKE_TEST(bpf_test_alter_errcode_bpf),
+		MAKE_TEST(bpf_test_alter_errcode_userspace),
+		MAKE_TEST(mmap_test),
+		MAKE_TEST(readdir_perms_test),
+		MAKE_TEST(inotify_test),
+		MAKE_TEST(bpf_test_statfs),
+		MAKE_TEST(bpf_test_lseek),
+		MAKE_TEST(bpf_test_readdirplus_not_overriding_backing),
+		MAKE_TEST(bpf_test_no_readdirplus_without_nodeid),
+		MAKE_TEST(bpf_test_revalidate_handle_backing_fd),
+		MAKE_TEST(bpf_test_lookup_postfilter),
+		MAKE_TEST(flock_test),
+		MAKE_TEST(bpf_test_create_and_remove_bpf),
+		MAKE_TEST(bpf_test_mkdir_and_remove_bpf),
+	};
+#undef MAKE_TEST
+
+	bool run_test[ARRAY_SIZE(cases)];
+
+	for (int i = 0; i < ARRAY_SIZE(cases); ++i)
+		run_test[i] = true;
+
+	if (parse_options(argc, argv, run_test, ARRAY_SIZE(cases)))
+		ksft_exit_fail_msg("Bad options\n");
+
+	// Seed randomness pool for testing on QEMU
+	// NOTE - this abuses the concept of randomness - do *not* ever do this
+	// on a machine for production use - the device will think it has good
+	// randomness when it does not.
+	fd = open("/dev/urandom", O_WRONLY | O_CLOEXEC);
+	count = 4096;
+	for (int i = 0; i < 128; ++i)
+		ioctl(fd, RNDADDTOENTCNT, &count);
+	close(fd);
+
+	ksft_print_header();
+
+	if (geteuid() != 0)
+		ksft_print_msg("Not a root, might fail to mount.\n");
+
+	if (tracing_on() != TEST_SUCCESS)
+		ksft_exit_fail_msg("Can't turn on tracing\n");
+
+	src_dir = setup_mount_dir(ft_src);
+	mount_dir = setup_mount_dir(ft_dst);
+	if (src_dir == NULL || mount_dir == NULL)
+		ksft_exit_fail_msg("Can't create a mount dir\n");
+
+	ksft_set_plan(ARRAY_SIZE(run_test));
+
+	for (i = 0; i < ARRAY_SIZE(run_test); ++i)
+		if (run_test[i]) {
+			delete_dir_tree(mount_dir, false);
+			delete_dir_tree(src_dir, false);
+			run_one_test(mount_dir, &cases[i]);
+		} else
+			ksft_cnt.ksft_xskip++;
+
+	umount2(mount_dir, MNT_FORCE);
+	delete_dir_tree(mount_dir, true);
+	delete_dir_tree(src_dir, true);
+	return !ksft_get_fail_cnt() ? ksft_exit_pass() : ksft_exit_fail();
+}
diff --git a/tools/testing/selftests/filesystems/fuse/test_bpf.c b/tools/testing/selftests/filesystems/fuse/test_bpf.c
new file mode 100644
index 0000000..5f77605
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/test_bpf.c
@@ -0,0 +1,587 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2021 Google LLC
+
+#define __EXPORTED_HEADERS__
+
+#include <uapi/linux/types.h>
+#include <uapi/linux/fuse.h>
+#include <uapi/linux/errno.h>
+
+#include <stdbool.h>
+
+#define SEC(NAME) __attribute__((section(NAME), used))
+
+static long (*bpf_trace_printk)(const char *fmt, __u32 fmt_size, ...)
+	= (void *) 6;
+
+#define bpf_printk(fmt, ...)					\
+	({			                                \
+		char ____fmt[] = fmt;                           \
+		bpf_trace_printk(____fmt, sizeof(____fmt),      \
+		                 ##__VA_ARGS__);                \
+	})
+
+SEC("dummy")
+
+inline int strcmp(const char *a, const char *b)
+{
+	int i;
+
+	for (i = 0; i < __builtin_strlen(b) + 1; ++i)
+		if (a[i] != b[i])
+			return -1;
+
+	return 0;
+}
+SEC("test_readdir_redact")
+/* return FUSE_BPF_BACKING to use backing fs, 0 to pass to usermode */
+int readdir_test(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_READDIR | FUSE_PREFILTER: {
+		const struct fuse_read_in *fri = fa->in_args[0].value;
+
+		bpf_printk("readdir %d", fri->fh);
+		return FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+	}
+
+	case FUSE_READDIR | FUSE_POSTFILTER: {
+		const struct fuse_read_in *fri = fa->in_args[0].value;
+
+		bpf_printk("readdir postfilter %x", fri->fh);
+		return FUSE_BPF_USER_FILTER;
+	}
+
+	default:
+		bpf_printk("opcode %d", fa->opcode);
+		return FUSE_BPF_BACKING;
+	}
+}
+SEC("test_trace")
+
+/* return FUSE_BPF_BACKING to use backing fs, 0 to pass to usermode */
+int trace_test(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_LOOKUP | FUSE_PREFILTER: {
+		/* real and partial use backing file */
+		const char *name = fa->in_args[0].value;
+		bool backing = false;
+
+		if (strcmp(name, "real") == 0 || strcmp(name, "partial") == 0)
+			backing = true;
+
+		if (strcmp(name, "dir") == 0)
+			backing = true;
+		if (strcmp(name, "dir2") == 0)
+			backing = true;
+
+		if (strcmp(name, "file1") == 0)
+			backing = true;
+		if (strcmp(name, "file2") == 0)
+			backing = true;
+
+		bpf_printk("lookup %s %d", name, backing);
+		return backing ? FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER : 0;
+	}
+
+	case FUSE_LOOKUP | FUSE_POSTFILTER: {
+		const char *name = fa->in_args[0].value;
+		struct fuse_entry_out *feo = fa->out_args[0].value;
+
+		if (strcmp(name, "real") == 0)
+			feo->nodeid = 5;
+		else if (strcmp(name, "partial") == 0)
+			feo->nodeid = 6;
+
+		bpf_printk("post-lookup %s %d", name, feo->nodeid);
+		return 0;
+	}
+
+	case FUSE_ACCESS | FUSE_PREFILTER: {
+		bpf_printk("Access: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_CREATE | FUSE_PREFILTER:
+		bpf_printk("Create: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+
+	case FUSE_MKNOD | FUSE_PREFILTER: {
+		const struct fuse_mknod_in *fmi = fa->in_args[0].value;
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("mknod %s %x %x", name, fmi->rdev | fmi->mode, fmi->umask);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_MKDIR | FUSE_PREFILTER: {
+		const struct fuse_mkdir_in *fmi = fa->in_args[0].value;
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("mkdir %s %x %x", name, fmi->mode, fmi->umask);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RMDIR | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("rmdir %s", name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RENAME | FUSE_PREFILTER: {
+		const char *oldname = fa->in_args[1].value;
+		const char *newname = fa->in_args[2].value;
+
+		bpf_printk("rename from %s", oldname);
+		bpf_printk("rename to %s", newname);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RENAME2 | FUSE_PREFILTER: {
+		const struct fuse_rename2_in *fri = fa->in_args[0].value;
+		uint32_t flags = fri->flags;
+		const char *oldname = fa->in_args[1].value;
+		const char *newname = fa->in_args[2].value;
+
+		bpf_printk("rename(%x) from %s", flags, oldname);
+		bpf_printk("rename to %s", newname);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_UNLINK | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("unlink %s", name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_LINK | FUSE_PREFILTER: {
+		const struct fuse_link_in *fli = fa->in_args[0].value;
+		const char *link_name = fa->in_args[1].value;
+
+		bpf_printk("link %d %s", fli->oldnodeid, link_name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_SYMLINK | FUSE_PREFILTER: {
+		const char *link_name = fa->in_args[0].value;
+		const char *link_dest = fa->in_args[1].value;
+
+		bpf_printk("symlink from %s", link_name);
+		bpf_printk("symlink to %s", link_dest);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_READLINK | FUSE_PREFILTER: {
+		const char *link_name = fa->in_args[0].value;
+
+		bpf_printk("readlink from", link_name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_OPEN | FUSE_PREFILTER: {
+		int backing = 0;
+
+		switch (fa->nodeid) {
+		case 5:
+			backing = FUSE_BPF_BACKING;
+			break;
+
+		case 6:
+			backing = FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+			break;
+
+		default:
+			break;
+		}
+
+		bpf_printk("open %d %d", fa->nodeid, backing);
+		return backing;
+	}
+
+	case FUSE_OPEN | FUSE_POSTFILTER:
+		bpf_printk("open postfilter");
+		return FUSE_BPF_USER_FILTER;
+
+	case FUSE_READ | FUSE_PREFILTER: {
+		const struct fuse_read_in *fri = fa->in_args[0].value;
+
+		bpf_printk("read %llu %llu", fri->fh, fri->offset);
+		if (fri->fh == 1 && fri->offset == 0)
+			return 0;
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_GETATTR | FUSE_PREFILTER: {
+		/* real and partial use backing file */
+		int backing = 0;
+
+		switch (fa->nodeid) {
+		case 1:
+		case 5:
+		case 6:
+		/*
+		 * TODO: Find better solution
+		 * Add 100 to stop clang compiling to jump table which bpf hates
+		 */
+		case 100:
+			backing = FUSE_BPF_BACKING;
+			break;
+		}
+
+		bpf_printk("getattr %d %d", fa->nodeid, backing);
+		return backing;
+	}
+
+	case FUSE_SETATTR | FUSE_PREFILTER: {
+		/* real and partial use backing file */
+		int backing = 0;
+
+		switch (fa->nodeid) {
+		case 1:
+		case 5:
+		case 6:
+		/* TODO See above */
+		case 100:
+			backing = FUSE_BPF_BACKING;
+			break;
+		}
+
+		bpf_printk("setattr %d %d", fa->nodeid, backing);
+		return backing;
+	}
+
+	case FUSE_OPENDIR | FUSE_PREFILTER: {
+		int backing = 0;
+
+		switch (fa->nodeid) {
+		case 1:
+			backing = FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+			break;
+		}
+
+		bpf_printk("opendir %d %d", fa->nodeid, backing);
+		return backing;
+	}
+
+	case FUSE_OPENDIR | FUSE_POSTFILTER: {
+		struct fuse_open_out *foo = fa->out_args[0].value;
+
+		foo->fh = 2;
+		bpf_printk("opendir postfilter");
+		return 0;
+	}
+
+	case FUSE_READDIR | FUSE_PREFILTER: {
+		const struct fuse_read_in *fri = fa->in_args[0].value;
+		int backing = 0;
+
+		if (fri->fh == 2)
+			backing = FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+
+		bpf_printk("readdir %d %d", fri->fh, backing);
+		return backing;
+	}
+
+	case FUSE_READDIR | FUSE_POSTFILTER: {
+		const struct fuse_read_in *fri = fa->in_args[0].value;
+		int backing = 0;
+
+		if (fri->fh == 2)
+			backing = FUSE_BPF_USER_FILTER | FUSE_BPF_BACKING |
+				  FUSE_BPF_POST_FILTER;
+
+		bpf_printk("readdir postfilter %d %d", fri->fh, backing);
+		return backing;
+	}
+
+	case FUSE_FLUSH | FUSE_PREFILTER: {
+		const struct fuse_flush_in *ffi = fa->in_args[0].value;
+
+		bpf_printk("Flush %d", ffi->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_GETXATTR | FUSE_PREFILTER: {
+		const struct fuse_flush_in *ffi = fa->in_args[0].value;
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("getxattr %d %s", ffi->fh, name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_LISTXATTR | FUSE_PREFILTER: {
+		const struct fuse_flush_in *ffi = fa->in_args[0].value;
+		const char *name = fa->in_args[1].value;
+
+		bpf_printk("listxattr %d %s", ffi->fh, name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_SETXATTR | FUSE_PREFILTER: {
+		const struct fuse_flush_in *ffi = fa->in_args[0].value;
+		const char *name = fa->in_args[1].value;
+		unsigned int size = fa->in_args[2].size;
+
+		bpf_printk("setxattr %d %s %u", ffi->fh, name, size);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_REMOVEXATTR | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("removexattr %s", name);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_CANONICAL_PATH | FUSE_PREFILTER: {
+		bpf_printk("canonical_path");
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_STATFS | FUSE_PREFILTER: {
+		bpf_printk("statfs");
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_LSEEK | FUSE_PREFILTER: {
+		const struct fuse_lseek_in *fli = fa->in_args[0].value;
+
+		bpf_printk("lseek type:%d, offset:%lld", fli->whence, fli->offset);
+		return FUSE_BPF_BACKING;
+	}
+
+	default:
+		bpf_printk("Unknown opcode %d", fa->opcode);
+		return 0;
+	}
+}
+
+SEC("test_hidden")
+
+int trace_hidden(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_LOOKUP | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("Lookup: %s", name);
+		if (!strcmp(name, "show"))
+			return FUSE_BPF_BACKING;
+		if (!strcmp(name, "hide"))
+			return -ENOENT;
+
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_ACCESS | FUSE_PREFILTER: {
+		bpf_printk("Access: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_CREATE | FUSE_PREFILTER:
+		bpf_printk("Create: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+
+	case FUSE_WRITE | FUSE_PREFILTER:
+	// TODO: Clang combines similar printk calls, causing BPF to complain
+	//	bpf_printk("Write: %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+
+	case FUSE_FLUSH | FUSE_PREFILTER: {
+	//	const struct fuse_flush_in *ffi = fa->in_args[0].value;
+
+	//	bpf_printk("Flush %d", ffi->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_RELEASE | FUSE_PREFILTER: {
+	//	const struct fuse_release_in *fri = fa->in_args[0].value;
+
+	//	bpf_printk("Release %d", fri->fh);
+		return FUSE_BPF_BACKING;
+	}
+
+	case FUSE_FALLOCATE | FUSE_PREFILTER:
+	//	bpf_printk("fallocate %d", fa->nodeid);
+		return FUSE_BPF_BACKING;
+
+	case FUSE_CANONICAL_PATH | FUSE_PREFILTER: {
+		return FUSE_BPF_BACKING;
+	}
+	default:
+		bpf_printk("Unknown opcode: %d", fa->opcode);
+		return 0;
+	}
+}
+
+SEC("test_simple")
+int trace_simple(struct fuse_bpf_args *fa)
+{
+	if (fa->opcode & FUSE_PREFILTER)
+		bpf_printk("prefilter opcode: %d",
+			   fa->opcode & FUSE_OPCODE_FILTER);
+	else if (fa->opcode & FUSE_POSTFILTER)
+		bpf_printk("postfilter opcode: %d",
+			   fa->opcode & FUSE_OPCODE_FILTER);
+	else
+		bpf_printk("*** UNKNOWN *** opcode: %d", fa->opcode);
+	return FUSE_BPF_BACKING;
+}
+
+SEC("test_passthrough")
+int trace_daemon(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_LOOKUP | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("Lookup prefilter: %lx %s", fa->nodeid, name);
+		return FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+	}
+
+	case FUSE_LOOKUP | FUSE_POSTFILTER: {
+		const char *name = fa->in_args[0].value;
+		struct fuse_entry_bpf_out *febo = fa->out_args[1].value;
+
+		bpf_printk("Lookup postfilter: %lx %s %lu", fa->nodeid, name);
+		febo->bpf_action = FUSE_ACTION_REMOVE;
+
+		return FUSE_BPF_USER_FILTER;
+	}
+
+	default:
+		if (fa->opcode & FUSE_PREFILTER)
+			bpf_printk("prefilter opcode: %d",
+				   fa->opcode & FUSE_OPCODE_FILTER);
+		else if (fa->opcode & FUSE_POSTFILTER)
+			bpf_printk("postfilter opcode: %d",
+				   fa->opcode & FUSE_OPCODE_FILTER);
+		else
+			bpf_printk("*** UNKNOWN *** opcode: %d", fa->opcode);
+		return FUSE_BPF_BACKING;
+	}
+}
+
+SEC("test_error")
+
+/* return FUSE_BPF_BACKING to use backing fs, 0 to pass to usermode */
+int error_test(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_MKDIR | FUSE_PREFILTER: {
+		bpf_printk("mkdir");
+		return FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+	}
+	case FUSE_MKDIR | FUSE_POSTFILTER: {
+		bpf_printk("mkdir postfilter");
+		if (fa->error_in == -EEXIST)
+			return -EPERM;
+
+		return 0;
+	}
+
+	case FUSE_LOOKUP | FUSE_PREFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("lookup prefilter %s", name);
+		return FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+	}
+	case FUSE_LOOKUP | FUSE_POSTFILTER: {
+		const char *name = fa->in_args[0].value;
+
+		bpf_printk("lookup postfilter %s %d", name, fa->error_in);
+		if (strcmp(name, "doesnotexist") == 0/* && fa->error_in == -EEXIST*/) {
+			bpf_printk("lookup postfilter doesnotexist");
+			return FUSE_BPF_USER_FILTER;
+		}
+		bpf_printk("meh");
+		return 0;
+	}
+
+	default:
+		if (fa->opcode & FUSE_PREFILTER)
+			bpf_printk("prefilter opcode: %d",
+				   fa->opcode & FUSE_OPCODE_FILTER);
+		else if (fa->opcode & FUSE_POSTFILTER)
+			bpf_printk("postfilter opcode: %d",
+				   fa->opcode & FUSE_OPCODE_FILTER);
+		else
+			bpf_printk("*** UNKNOWN *** opcode: %d", fa->opcode);
+		return FUSE_BPF_BACKING;
+	}
+}
+
+SEC("test_readdirplus")
+int readdirplus_test(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_READDIR | FUSE_PREFILTER: {
+		return 0;
+	}
+	}
+	return FUSE_BPF_BACKING;
+}
+
+SEC("test_lookup_postfilter")
+int lookuppostfilter_test(struct fuse_bpf_args *fa)
+{
+	switch(fa->opcode) {
+	case FUSE_LOOKUP | FUSE_PREFILTER:
+		return FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+	case FUSE_LOOKUP | FUSE_POSTFILTER:
+		return FUSE_BPF_USER_FILTER;
+	default:
+		return FUSE_BPF_BACKING;
+	}
+}
+
+SEC("test_create_remove")
+int createremovebpf_test(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_LOOKUP | FUSE_PREFILTER: {
+		return FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+	}
+
+	case FUSE_LOOKUP | FUSE_POSTFILTER: {
+		struct fuse_entry_bpf_out *febo = fa->out_args[1].value;
+
+		febo->bpf_action = FUSE_ACTION_REMOVE;
+		return 0;
+	}
+
+	case FUSE_OPEN | FUSE_PREFILTER: {
+		return -EIO;
+	}
+
+	default:
+		return FUSE_BPF_BACKING;
+	}
+}
+
+SEC("test_mkdir_remove")
+int mkdirremovebpf_test(struct fuse_bpf_args *fa)
+{
+	switch (fa->opcode) {
+	case FUSE_LOOKUP | FUSE_PREFILTER: {
+		return FUSE_BPF_BACKING | FUSE_BPF_POST_FILTER;
+	}
+
+	case FUSE_LOOKUP | FUSE_POSTFILTER: {
+		struct fuse_entry_bpf_out *febo = fa->out_args[1].value;
+
+		febo->bpf_action = FUSE_ACTION_REMOVE;
+		return 0;
+	}
+
+	case FUSE_OPENDIR | FUSE_PREFILTER: {
+		return -EIO;
+	}
+
+	default:
+		return FUSE_BPF_BACKING;
+	}
+}
diff --git a/tools/testing/selftests/filesystems/fuse/test_framework.h b/tools/testing/selftests/filesystems/fuse/test_framework.h
new file mode 100644
index 0000000..7e832e9
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/test_framework.h
@@ -0,0 +1,174 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021 Google LLC
+ */
+
+#ifndef _TEST_FRAMEWORK_H
+#define _TEST_FRAMEWORK_H
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#ifdef __ANDROID__
+static int test_case_pass;
+static int test_case_fail;
+#define ksft_print_msg			printf
+#define ksft_test_result_pass(...)	({test_case_pass++; printf(__VA_ARGS__); })
+#define ksft_test_result_fail(...)	({test_case_fail++; printf(__VA_ARGS__); })
+#define ksft_exit_fail_msg(...)		printf(__VA_ARGS__)
+#define ksft_print_header()
+#define ksft_set_plan(cnt)
+#define ksft_get_fail_cnt()		test_case_fail
+#define ksft_exit_pass()		0
+#define ksft_exit_fail()		1
+#else
+#include <kselftest.h>
+#endif
+
+#define TEST_FAILURE 1
+#define TEST_SUCCESS 0
+
+#define ptr_to_u64(p) ((__u64)p)
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define le16_to_cpu(x)          (x)
+#define le32_to_cpu(x)          (x)
+#define le64_to_cpu(x)          (x)
+#else
+#error Big endian not supported!
+#endif
+
+struct _test_options {
+	int file;
+	bool verbose;
+};
+
+extern struct _test_options test_options;
+
+#define TESTCOND(condition)						\
+	do {								\
+		if (!(condition)) {					\
+			ksft_print_msg("%s failed %d\n",		\
+				       __func__, __LINE__);		\
+			goto out;					\
+		} else if (test_options.verbose)			\
+			ksft_print_msg("%s succeeded %d\n",		\
+				       __func__, __LINE__);		\
+	} while (false)
+
+#define TESTCONDERR(condition)						\
+	do {								\
+		if (!(condition)) {					\
+			ksft_print_msg("%s failed %d\n",		\
+				       __func__, __LINE__);		\
+			ksft_print_msg("Error %d (\"%s\")\n",		\
+				       errno, strerror(errno));		\
+			goto out;					\
+		} else if (test_options.verbose)			\
+			ksft_print_msg("%s succeeded %d\n",		\
+				       __func__, __LINE__);		\
+	} while (false)
+
+#define TEST(statement, condition)					\
+	do {								\
+		statement;						\
+		TESTCOND(condition);					\
+	} while (false)
+
+#define TESTERR(statement, condition)					\
+	do {								\
+		statement;						\
+		TESTCONDERR(condition);					\
+	} while (false)
+
+enum _operator {
+	_eq,
+	_ne,
+	_ge,
+};
+
+static const char * const _operator_name[] = {
+	"==",
+	"!=",
+	">=",
+};
+
+#define _TEST_OPERATOR(name, _type, format_specifier)			\
+static inline int _test_operator_##name(const char *func, int line,	\
+				_type a, _type b, enum _operator o)	\
+{									\
+	bool pass;							\
+	switch (o) {							\
+	case _eq: pass = a == b; break;					\
+	case _ne: pass = a != b; break;					\
+	case _ge: pass = a >= b; break;					\
+	}								\
+									\
+	if (!pass)							\
+		ksft_print_msg("Failed: %s at line %d, "		\
+			       format_specifier " %s "			\
+			       format_specifier	"\n",			\
+			       func, line, a, _operator_name[o], b);	\
+	else if (test_options.verbose)					\
+		ksft_print_msg("Passed: %s at line %d, "		\
+			       format_specifier " %s "			\
+			       format_specifier "\n",			\
+			       func, line, a, _operator_name[o], b);	\
+									\
+	return pass ? TEST_SUCCESS : TEST_FAILURE;			\
+}
+
+_TEST_OPERATOR(i, int, "%d")
+_TEST_OPERATOR(ui, unsigned int, "%u")
+_TEST_OPERATOR(lui, unsigned long, "%lu")
+_TEST_OPERATOR(ss, ssize_t, "%zd")
+_TEST_OPERATOR(vp, void *, "%px")
+_TEST_OPERATOR(cp, char *, "%px")
+
+#define _CALL_TO(_type, name, a, b, o)					\
+	_type:_test_operator_##name(__func__, __LINE__,			\
+				  (_type) (long long) (a),		\
+				  (_type) (long long) (b), o)
+
+#define TESTOPERATOR(a, b, o)						\
+	do {								\
+		if (_Generic((a),					\
+			     _CALL_TO(int, i, a, b, o),			\
+			     _CALL_TO(unsigned int, ui, a, b, o),	\
+			     _CALL_TO(unsigned long, lui, a, b, o),	\
+			     _CALL_TO(ssize_t, ss, a, b, o),		\
+			     _CALL_TO(void *, vp, a, b, o),		\
+			     _CALL_TO(char *, cp, a, b, o)		\
+		))							\
+			goto out;					\
+	} while (false)
+
+#define TESTEQUAL(a, b) TESTOPERATOR(a, b, _eq)
+#define TESTNE(a, b) TESTOPERATOR(a, b, _ne)
+#define TESTGE(a, b) TESTOPERATOR(a, b, _ge)
+
+/* For testing a syscall that returns 0 on success and sets errno otherwise */
+#define TESTSYSCALL(statement) TESTCONDERR((statement) == 0)
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+
+static inline void print_bytes(const void *data, size_t size)
+{
+	const char *bytes = data;
+	int i;
+
+	for (i = 0; i < size; ++i) {
+		if (i % 0x10 == 0)
+			printf("%08x:", i);
+		printf("%02x ", (unsigned int) (unsigned char) bytes[i]);
+		if (i % 0x10 == 0x0f)
+			printf("\n");
+	}
+
+	if (i % 0x10 != 0)
+		printf("\n");
+}
+
+
+
+#endif
diff --git a/tools/testing/selftests/filesystems/fuse/test_fuse.h b/tools/testing/selftests/filesystems/fuse/test_fuse.h
new file mode 100644
index 0000000..09d1b88
--- /dev/null
+++ b/tools/testing/selftests/filesystems/fuse/test_fuse.h
@@ -0,0 +1,326 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021 Google LLC
+ */
+
+#ifndef TEST_FUSE__H
+#define TEST_FUSE__H
+
+#define _GNU_SOURCE
+
+#include "test_framework.h"
+
+#include <dirent.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
+#include <sys/types.h>
+
+#include <include/uapi/linux/fuse.h>
+
+#define PAGE_SIZE 4096
+#define FUSE_POSTFILTER 0x20000
+
+extern struct _test_options test_options;
+
+/* Slow but semantically easy string functions */
+
+/*
+ * struct s just wraps a char pointer
+ * It is a pointer to a malloc'd string, or null
+ * All consumers handle null input correctly
+ * All consumers free the string
+ */
+struct s {
+	char *s;
+};
+
+struct s s(const char *s1);
+struct s sn(const char *s1, const char *s2);
+int s_cmp(struct s s1, struct s s2);
+struct s s_cat(struct s s1, struct s s2);
+struct s s_splitleft(struct s s1, char c);
+struct s s_splitright(struct s s1, char c);
+struct s s_word(struct s s1, char c, size_t n);
+struct s s_path(struct s s1, struct s s2);
+struct s s_pathn(size_t n, struct s s1, ...);
+int s_link(struct s src_pathname, struct s dst_pathname);
+int s_symlink(struct s src_pathname, struct s dst_pathname);
+int s_mkdir(struct s pathname, mode_t mode);
+int s_rmdir(struct s pathname);
+int s_unlink(struct s pathname);
+int s_open(struct s pathname, int flags, ...);
+int s_openat(int dirfd, struct s pathname, int flags, ...);
+int s_creat(struct s pathname, mode_t mode);
+int s_mkfifo(struct s pathname, mode_t mode);
+int s_stat(struct s pathname, struct stat *st);
+int s_statfs(struct s pathname, struct statfs *st);
+int s_fuse_attr(struct s pathname, struct fuse_attr *fuse_attr_out);
+DIR *s_opendir(struct s pathname);
+int s_getxattr(struct s pathname, const char name[], void *value, size_t size,
+	       ssize_t *ret_size);
+int s_listxattr(struct s pathname, void *list, size_t size, ssize_t *ret_size);
+int s_setxattr(struct s pathname, const char name[], const void *value,
+	       size_t size, int flags);
+int s_removexattr(struct s pathname, const char name[]);
+int s_rename(struct s oldpathname, struct s newpathname);
+
+struct s tracing_folder(void);
+int tracing_on(void);
+
+char *concat_file_name(const char *dir, const char *file);
+char *setup_mount_dir(const char *name);
+int delete_dir_tree(const char *dir_path, bool remove_root);
+
+#define TESTFUSEINNULL(_opcode)						\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		ssize_t res = read(fuse_dev, &bytes_in,			\
+			sizeof(bytes_in));				\
+									\
+		TESTEQUAL(in_header->opcode, _opcode);			\
+		TESTEQUAL(res, sizeof(*in_header));			\
+	} while (false)
+
+#define TESTFUSEIN(_opcode, in_struct)					\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		ssize_t res = read(fuse_dev, &bytes_in,			\
+			sizeof(bytes_in));				\
+									\
+		TESTEQUAL(in_header->opcode, _opcode);			\
+		TESTEQUAL(res, sizeof(*in_header) + sizeof(*in_struct));\
+	} while (false)
+
+#define TESTFUSEIN2(_opcode, in_struct1, in_struct2)			\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		ssize_t res = read(fuse_dev, &bytes_in,			\
+			sizeof(bytes_in));				\
+									\
+		TESTEQUAL(in_header->opcode, _opcode);			\
+		TESTEQUAL(res, sizeof(*in_header) + sizeof(*in_struct1) \
+						+ sizeof(*in_struct2)); \
+		in_struct1 = (void *)(bytes_in + sizeof(*in_header));	\
+		in_struct2 = (void *)(bytes_in + sizeof(*in_header)	\
+				      + sizeof(*in_struct1));		\
+	} while (false)
+
+#define TESTFUSEINEXT(_opcode, in_struct, extra)			\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		ssize_t res = read(fuse_dev, &bytes_in,			\
+			sizeof(bytes_in));				\
+									\
+		TESTEQUAL(in_header->opcode, _opcode);			\
+		TESTEQUAL(res,						\
+		       sizeof(*in_header) + sizeof(*in_struct) + extra);\
+	} while (false)
+
+#define TESTFUSEINUNKNOWN()						\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		ssize_t res = read(fuse_dev, &bytes_in,			\
+			sizeof(bytes_in));				\
+									\
+		TESTGE(res, sizeof(*in_header));			\
+		TESTEQUAL(in_header->opcode, -1);			\
+	} while (false)
+
+/* Special case lookup since it is asymmetric */
+#define TESTFUSELOOKUP(expected, filter)				\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		char *name = (char *) (bytes_in + sizeof(*in_header));	\
+		ssize_t res;						\
+									\
+		TEST(res = read(fuse_dev, &bytes_in, sizeof(bytes_in)),	\
+			  res != -1);					\
+		/* TODO once we handle forgets properly, remove */	\
+		if (in_header->opcode == FUSE_FORGET)			\
+			continue;					\
+		if (in_header->opcode == FUSE_BATCH_FORGET)		\
+			continue;					\
+		TESTGE(res, sizeof(*in_header));			\
+		TESTEQUAL(in_header->opcode,				\
+			FUSE_LOOKUP | filter);				\
+		TESTEQUAL(res,						\
+			  sizeof(*in_header) + strlen(expected) + 1 +	\
+				(filter == FUSE_POSTFILTER ?		\
+				sizeof(struct fuse_entry_out) +		\
+				sizeof(struct fuse_entry_bpf_out) : 0));\
+		TESTCOND(!strcmp(name, expected));			\
+		break;							\
+	} while (true)
+
+#define TESTFUSEOUTEMPTY()						\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		struct fuse_out_header *out_header =			\
+			(struct fuse_out_header *)bytes_out;		\
+									\
+		*out_header = (struct fuse_out_header) {		\
+			.len = sizeof(*out_header),			\
+			.unique = in_header->unique,			\
+		};							\
+		TESTEQUAL(write(fuse_dev, bytes_out, out_header->len),	\
+			  out_header->len);				\
+	} while (false)
+
+#define TESTFUSEOUTERROR(errno)						\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		struct fuse_out_header *out_header =			\
+			(struct fuse_out_header *)bytes_out;		\
+									\
+		*out_header = (struct fuse_out_header) {		\
+			.len = sizeof(*out_header),			\
+			.error = errno,					\
+			.unique = in_header->unique,			\
+		};							\
+		TESTEQUAL(write(fuse_dev, bytes_out, out_header->len),	\
+			  out_header->len);				\
+	} while (false)
+
+#define TESTFUSEOUTREAD(data, length)					\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		struct fuse_out_header *out_header =			\
+			(struct fuse_out_header *)bytes_out;		\
+									\
+		*out_header = (struct fuse_out_header) {		\
+			.len = sizeof(*out_header) + length,		\
+			.unique = in_header->unique,			\
+		};							\
+		memcpy(bytes_out + sizeof(*out_header), data, length);	\
+		TESTEQUAL(write(fuse_dev, bytes_out, out_header->len),	\
+			  out_header->len);				\
+	} while (false)
+
+#define TESTFUSEDIROUTREAD(read_out, data, length)			\
+	do {								\
+		struct fuse_in_header *in_header =			\
+				(struct fuse_in_header *)bytes_in;	\
+		struct fuse_out_header *out_header =			\
+			(struct fuse_out_header *)bytes_out;		\
+									\
+		*out_header = (struct fuse_out_header) {		\
+			.len = sizeof(*out_header) +			\
+			       sizeof(*read_out) + length,		\
+			.unique = in_header->unique,			\
+		};							\
+		memcpy(bytes_out + sizeof(*out_header) +		\
+				sizeof(*read_out), data, length);	\
+		memcpy(bytes_out + sizeof(*out_header),			\
+				read_out, sizeof(*read_out));		\
+		TESTEQUAL(write(fuse_dev, bytes_out, out_header->len),	\
+			  out_header->len);				\
+	} while (false)
+
+#define TESTFUSEOUT1(type1, obj1)					\
+	do {								\
+		*(struct fuse_out_header *) bytes_out			\
+			= (struct fuse_out_header) {			\
+			.len = sizeof(struct fuse_out_header)		\
+				+ sizeof(struct type1),			\
+			.unique = ((struct fuse_in_header *)		\
+				   bytes_in)->unique,			\
+		};							\
+		*(struct type1 *) (bytes_out				\
+			+ sizeof(struct fuse_out_header))		\
+			= obj1;						\
+		TESTEQUAL(write(fuse_dev, bytes_out,			\
+			((struct fuse_out_header *)bytes_out)->len),	\
+			((struct fuse_out_header *)bytes_out)->len);	\
+	} while (false)
+
+#define TESTFUSEOUT2(type1, obj1, type2, obj2)				\
+	do {								\
+		*(struct fuse_out_header *) bytes_out			\
+			= (struct fuse_out_header) {			\
+			.len = sizeof(struct fuse_out_header)		\
+				+ sizeof(struct type1)			\
+				+ sizeof(struct type2),			\
+			.unique = ((struct fuse_in_header *)		\
+				   bytes_in)->unique,			\
+		};							\
+		*(struct type1 *) (bytes_out				\
+			+ sizeof(struct fuse_out_header))		\
+			= obj1;						\
+		*(struct type2 *) (bytes_out				\
+			+ sizeof(struct fuse_out_header)		\
+			+ sizeof(struct type1))				\
+			= obj2;						\
+		TESTEQUAL(write(fuse_dev, bytes_out,			\
+			((struct fuse_out_header *)bytes_out)->len),	\
+			((struct fuse_out_header *)bytes_out)->len);	\
+	} while (false)
+
+#define TESTFUSEINITFLAGS(fuse_connection_flags)			\
+	do {								\
+		DECL_FUSE_IN(init);					\
+									\
+		TESTFUSEIN(FUSE_INIT, init_in);				\
+		TESTEQUAL(init_in->major, FUSE_KERNEL_VERSION);		\
+		TESTEQUAL(init_in->minor, FUSE_KERNEL_MINOR_VERSION);	\
+		TESTFUSEOUT1(fuse_init_out, ((struct fuse_init_out) {	\
+			.major = FUSE_KERNEL_VERSION,			\
+			.minor = FUSE_KERNEL_MINOR_VERSION,		\
+			.max_readahead = 4096,				\
+			.flags = fuse_connection_flags,			\
+			.max_background = 0,				\
+			.congestion_threshold = 0,			\
+			.max_write = 4096,				\
+			.time_gran = 1000,				\
+			.max_pages = 12,				\
+			.map_alignment = 4096,				\
+		}));							\
+	} while (false)
+
+#define TESTFUSEINIT()							\
+	TESTFUSEINITFLAGS(0)
+
+#define DECL_FUSE_IN(name)						\
+	struct fuse_##name##_in *name##_in =				\
+		(struct fuse_##name##_in *)				\
+		(bytes_in + sizeof(struct fuse_in_header))
+
+#define DECL_FUSE(name)							\
+	struct fuse_##name##_in *name##_in __attribute__((unused));	\
+	struct fuse_##name##_out *name##_out __attribute__((unused))
+
+#define FUSE_ACTION	TEST(pid = fork(), pid != -1);			\
+			if (pid) {
+
+#define FUSE_DAEMON	} else {					\
+				uint8_t bytes_in[FUSE_MIN_READ_BUFFER]	\
+					__attribute__((unused));	\
+				uint8_t bytes_out[FUSE_MIN_READ_BUFFER]	\
+					__attribute__((unused));
+
+#define FUSE_DONE		exit(TEST_SUCCESS);			\
+			}						\
+			TESTEQUAL(waitpid(pid, &status, 0), pid);	\
+			TESTEQUAL(status, TEST_SUCCESS);
+
+struct map_relocation {
+	char *name;
+	int fd;
+	int value;
+};
+
+int mount_fuse(const char *mount_dir, int bpf_fd, int dir_fd,
+	       int *fuse_dev_ptr);
+int mount_fuse_no_init(const char *mount_dir, int bpf_fd, int dir_fd,
+	       int *fuse_dev_ptr);
+int install_elf_bpf(const char *file, const char *section, int *fd,
+		    struct map_relocation **map_relocations, size_t *map_count);
+#endif
diff --git a/tools/testing/selftests/filesystems/incfs/.gitignore b/tools/testing/selftests/filesystems/incfs/.gitignore
new file mode 100644
index 0000000..f0e3cd9
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/.gitignore
@@ -0,0 +1,3 @@
+incfs_test
+incfs_stress
+incfs_perf
diff --git a/tools/testing/selftests/filesystems/incfs/Makefile b/tools/testing/selftests/filesystems/incfs/Makefile
new file mode 100644
index 0000000..5a2f630
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+CFLAGS += -D_FILE_OFFSET_BITS=64 -Wall -Werror -I../.. -I../../../../.. -fno-omit-frame-pointer -fsanitize=address -g
+LDLIBS := -llz4 -lzstd -lcrypto -lpthread -fsanitize=address
+TEST_GEN_PROGS := incfs_test incfs_stress incfs_perf
+
+include ../../lib.mk
+
+# Put after include ../../lib.mk since that changes $(TEST_GEN_PROGS)
+# Otherwise you get multiple targets, this becomes the default, and it's a mess
+EXTRA_SOURCES := utils.c
+$(TEST_GEN_PROGS) : $(EXTRA_SOURCES)
diff --git a/tools/testing/selftests/filesystems/incfs/incfs_perf.c b/tools/testing/selftests/filesystems/incfs/incfs_perf.c
new file mode 100644
index 0000000..ed36bbd
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/incfs_perf.c
@@ -0,0 +1,717 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <lz4.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <ctype.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+#define err_msg(...)                                                           \
+	do {                                                                   \
+		fprintf(stderr, "%s: (%d) ", TAG, __LINE__);                   \
+		fprintf(stderr, __VA_ARGS__);                                  \
+		fprintf(stderr, " (%s)\n", strerror(errno));                   \
+	} while (false)
+
+#define TAG "incfs_perf"
+
+struct options {
+	int blocks; /* -b number of diff block sizes */
+	bool no_cleanup; /* -c don't clean up after */
+	const char *test_dir; /* -d working directory */
+	const char *file_types; /* -f sScCvV */
+	bool no_native; /* -n don't test native files */
+	bool no_random; /* -r don't do random reads*/
+	bool no_linear; /* -R random reads only */
+	size_t size; /* -s file size as power of 2 */
+	int tries; /* -t times to run test*/
+};
+
+enum flags {
+	SHUFFLE = 1,
+	COMPRESS = 2,
+	VERIFY = 4,
+	LAST_FLAG = 8,
+};
+
+void print_help(void)
+{
+	puts(
+	"incfs_perf. Performance test tool for incfs\n"
+	"\tTests read performance of incfs by creating files of various types\n"
+	"\tflushing caches and then reading them back.\n"
+	"\tEach file is read with different block sizes and average\n"
+	"\tthroughput in megabytes/second and memory usage are reported for\n"
+	"\teach block size\n"
+	"\tNative files are tested for comparison\n"
+	"\tNative files are created in native folder, incfs files are created\n"
+	"\tin src folder which is mounted on dst folder\n"
+	"\n"
+	"\t-bn (default 8) number of different block sizes, starting at 4096\n"
+	"\t                and doubling\n"
+	"\t-c		   don't Clean up - leave files and mount point\n"
+	"\t-d dir          create directories in dir\n"
+	"\t-fs|Sc|Cv|V     restrict which files are created.\n"
+	"\t                s blocks not shuffled, S blocks shuffled\n"
+	"\t                c blocks not compress, C blocks compressed\n"
+	"\t                v files not verified, V files verified\n"
+	"\t                If a letter is omitted, both options are tested\n"
+	"\t                If no letter are given, incfs is not tested\n"
+	"\t-n              Don't test native files\n"
+	"\t-r              No random reads (sequential only)\n"
+	"\t-R              Random reads only (no sequential)\n"
+	"\t-sn (default 30)File size as power of 2\n"
+	"\t-tn (default 5) Number of tries per file. Results are averaged\n"
+	);
+}
+
+int parse_options(int argc, char *const *argv, struct options *options)
+{
+	signed char c;
+
+	/* Set defaults here */
+	*options = (struct options){
+		.blocks = 8,
+		.test_dir = ".",
+		.tries = 5,
+		.size = 30,
+	};
+
+	/* Load options from command line here */
+	while ((c = getopt(argc, argv, "b:cd:f::hnrRs:t:")) != -1) {
+		switch (c) {
+		case 'b':
+			options->blocks = strtol(optarg, NULL, 10);
+			break;
+
+		case 'c':
+			options->no_cleanup = true;
+			break;
+
+		case 'd':
+			options->test_dir = optarg;
+			break;
+
+		case 'f':
+			if (optarg)
+				options->file_types = optarg;
+			else
+				options->file_types = "sS";
+			break;
+
+		case 'h':
+			print_help();
+			exit(0);
+
+		case 'n':
+			options->no_native = true;
+			break;
+
+		case 'r':
+			options->no_random = true;
+			break;
+
+		case 'R':
+			options->no_linear = true;
+			break;
+
+		case 's':
+			options->size = strtol(optarg, NULL, 10);
+			break;
+
+		case 't':
+			options->tries = strtol(optarg, NULL, 10);
+			break;
+
+		default:
+			print_help();
+			return -EINVAL;
+		}
+	}
+
+	options->size = 1L << options->size;
+
+	return 0;
+}
+
+void shuffle(size_t *buffer, size_t size)
+{
+	size_t i;
+
+	for (i = 0; i < size; ++i) {
+		size_t j = random() * (size - i - 1) / RAND_MAX;
+		size_t temp = buffer[i];
+
+		buffer[i] = buffer[j];
+		buffer[j] = temp;
+	}
+}
+
+int get_free_memory(void)
+{
+	FILE *meminfo = fopen("/proc/meminfo", "re");
+	char field[256];
+	char value[256] = {};
+
+	if (!meminfo)
+		return -ENOENT;
+
+	while (fscanf(meminfo, "%[^:]: %s kB\n", field, value) == 2) {
+		if (!strcmp(field, "MemFree"))
+			break;
+		*value = 0;
+	}
+
+	fclose(meminfo);
+
+	if (!*value)
+		return -ENOENT;
+
+	return strtol(value, NULL, 10);
+}
+
+int write_data(int cmd_fd, int dir_fd, const char *name, size_t size, int flags)
+{
+	int fd = openat(dir_fd, name, O_RDWR | O_CLOEXEC);
+	struct incfs_permit_fill permit_fill = {
+		.file_descriptor = fd,
+	};
+	int block_count = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	size_t *blocks = malloc(sizeof(size_t) * block_count);
+	int error = 0;
+	size_t i;
+	uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+	uint8_t compressed_data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+	struct incfs_fill_block fill_block = {
+		.compression = COMPRESSION_NONE,
+		.data_len = sizeof(data),
+		.data = ptr_to_u64(data),
+	};
+
+	if (!blocks) {
+		err_msg("Out of memory");
+		error = -errno;
+		goto out;
+	}
+
+	if (fd == -1) {
+		err_msg("Could not open file for writing %s", name);
+		error = -errno;
+		goto out;
+	}
+
+	if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+		err_msg("Failed to call PERMIT_FILL");
+		error = -errno;
+		goto out;
+	}
+
+	for (i = 0; i < block_count; ++i)
+		blocks[i] = i;
+
+	if (flags & SHUFFLE)
+		shuffle(blocks, block_count);
+
+	if (flags & COMPRESS) {
+		size_t comp_size = LZ4_compress_default(
+			(char *)data, (char *)compressed_data, sizeof(data),
+			ARRAY_SIZE(compressed_data));
+
+		if (comp_size <= 0) {
+			error = -EBADMSG;
+			goto out;
+		}
+		fill_block.compression = COMPRESSION_LZ4;
+		fill_block.data = ptr_to_u64(compressed_data);
+		fill_block.data_len = comp_size;
+	}
+
+	for (i = 0; i < block_count; ++i) {
+		struct incfs_fill_blocks fill_blocks = {
+			.count = 1,
+			.fill_blocks = ptr_to_u64(&fill_block),
+		};
+
+		fill_block.block_index = blocks[i];
+		int written = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+
+		if (written != 1) {
+			error = -errno;
+			err_msg("Failed to write block %lu in file %s", i,
+				name);
+			break;
+		}
+	}
+
+out:
+	free(blocks);
+	close(fd);
+	sync();
+	return error;
+}
+
+int measure_read_throughput_internal(const char *tag, int dir, const char *name,
+				     const struct options *options, bool random)
+{
+	int block;
+
+	if (random)
+		printf("%32s(random)", tag);
+	else
+		printf("%40s", tag);
+
+	for (block = 0; block < options->blocks; ++block) {
+		size_t buffer_size;
+		char *buffer;
+		int try;
+		double time = 0;
+		double throughput;
+		int memory = 0;
+
+		buffer_size = 1 << (block + 12);
+		buffer = malloc(buffer_size);
+
+		for (try = 0; try < options->tries; ++try) {
+			int err;
+			struct timespec start_time, end_time;
+			off_t i;
+			int fd;
+			size_t offsets_size = options->size / buffer_size;
+			size_t *offsets =
+				malloc(offsets_size * sizeof(*offsets));
+			int start_memory, end_memory;
+
+			if (!offsets) {
+				err_msg("Not enough memory");
+				return -ENOMEM;
+			}
+
+			for (i = 0; i < offsets_size; ++i)
+				offsets[i] = i * buffer_size;
+
+			if (random)
+				shuffle(offsets, offsets_size);
+
+			err = drop_caches();
+			if (err) {
+				err_msg("Failed to drop caches");
+				return err;
+			}
+
+			start_memory = get_free_memory();
+			if (start_memory < 0) {
+				err_msg("Failed to get start memory");
+				return start_memory;
+			}
+
+			fd = openat(dir, name, O_RDONLY | O_CLOEXEC);
+			if (fd == -1) {
+				err_msg("Failed to open file");
+				return err;
+			}
+
+			err = clock_gettime(CLOCK_MONOTONIC, &start_time);
+			if (err) {
+				err_msg("Failed to get start time");
+				return err;
+			}
+
+			for (i = 0; i < offsets_size; ++i)
+				if (pread(fd, buffer, buffer_size,
+					  offsets[i]) != buffer_size) {
+					err_msg("Failed to read file");
+					err = -errno;
+					goto fail;
+				}
+
+			err = clock_gettime(CLOCK_MONOTONIC, &end_time);
+			if (err) {
+				err_msg("Failed to get start time");
+				goto fail;
+			}
+
+			end_memory = get_free_memory();
+			if (end_memory < 0) {
+				err_msg("Failed to get end memory");
+				return end_memory;
+			}
+
+			time += end_time.tv_sec - start_time.tv_sec;
+			time += (end_time.tv_nsec - start_time.tv_nsec) / 1e9;
+
+			close(fd);
+			fd = -1;
+			memory += start_memory - end_memory;
+
+fail:
+			free(offsets);
+			close(fd);
+			if (err)
+				return err;
+		}
+
+		throughput = options->size * options->tries / time;
+		printf("%10.3e %10d", throughput, memory / options->tries);
+		free(buffer);
+	}
+
+	printf("\n");
+	return 0;
+}
+
+int measure_read_throughput(const char *tag, int dir, const char *name,
+			    const struct options *options)
+{
+	int err = 0;
+
+	if (!options->no_linear)
+		err = measure_read_throughput_internal(tag, dir, name, options,
+						       false);
+
+	if (!err && !options->no_random)
+		err = measure_read_throughput_internal(tag, dir, name, options,
+						       true);
+	return err;
+}
+
+int test_native_file(int dir, const struct options *options)
+{
+	const char *name = "file";
+	int fd;
+	char buffer[4096] = {};
+	off_t i;
+	int err;
+
+	fd = openat(dir, name, O_CREAT | O_WRONLY | O_CLOEXEC, 0600);
+	if (fd == -1) {
+		err_msg("Could not open native file");
+		return -errno;
+	}
+
+	for (i = 0; i < options->size; i += sizeof(buffer))
+		if (pwrite(fd, buffer, sizeof(buffer), i) != sizeof(buffer)) {
+			err_msg("Failed to write file");
+			err = -errno;
+			goto fail;
+		}
+
+	close(fd);
+	sync();
+	fd = -1;
+
+	err = measure_read_throughput("native", dir, name, options);
+
+fail:
+	close(fd);
+	return err;
+}
+
+struct hash_block {
+	char data[INCFS_DATA_FILE_BLOCK_SIZE];
+};
+
+static struct hash_block *build_mtree(size_t size, char *root_hash,
+				      int *mtree_block_count)
+{
+	char data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+	const int digest_size = SHA256_DIGEST_SIZE;
+	const int hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+	int block_count = 0;
+	int hash_block_count = 0;
+	int total_tree_block_count = 0;
+	int tree_lvl_index[INCFS_MAX_MTREE_LEVELS] = {};
+	int tree_lvl_count[INCFS_MAX_MTREE_LEVELS] = {};
+	int levels_count = 0;
+	int i, level;
+	struct hash_block *mtree;
+
+	if (size == 0)
+		return 0;
+
+	block_count = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	hash_block_count = block_count;
+	for (i = 0; hash_block_count > 1; i++) {
+		hash_block_count = (hash_block_count + hash_per_block - 1) /
+				   hash_per_block;
+		tree_lvl_count[i] = hash_block_count;
+		total_tree_block_count += hash_block_count;
+	}
+	levels_count = i;
+
+	for (i = 0; i < levels_count; i++) {
+		int prev_lvl_base = (i == 0) ? total_tree_block_count :
+					       tree_lvl_index[i - 1];
+
+		tree_lvl_index[i] = prev_lvl_base - tree_lvl_count[i];
+	}
+
+	*mtree_block_count = total_tree_block_count;
+	mtree = calloc(total_tree_block_count, sizeof(*mtree));
+	/* Build level 0 hashes. */
+	for (i = 0; i < block_count; i++) {
+		int block_index = tree_lvl_index[0] + i / hash_per_block;
+		int block_off = (i % hash_per_block) * digest_size;
+		char *hash_ptr = mtree[block_index].data + block_off;
+
+		sha256(data, INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+	}
+
+	/* Build higher levels of hash tree. */
+	for (level = 1; level < levels_count; level++) {
+		int prev_lvl_base = tree_lvl_index[level - 1];
+		int prev_lvl_count = tree_lvl_count[level - 1];
+
+		for (i = 0; i < prev_lvl_count; i++) {
+			int block_index =
+				i / hash_per_block + tree_lvl_index[level];
+			int block_off = (i % hash_per_block) * digest_size;
+			char *hash_ptr = mtree[block_index].data + block_off;
+
+			sha256(mtree[i + prev_lvl_base].data,
+			       INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+		}
+	}
+
+	/* Calculate root hash from the top block */
+	sha256(mtree[0].data, INCFS_DATA_FILE_BLOCK_SIZE, root_hash);
+
+	return mtree;
+}
+
+static int load_hash_tree(int cmd_fd, int dir, const char *name,
+			  struct hash_block *mtree, int mtree_block_count)
+{
+	int err;
+	int i;
+	int fd;
+	struct incfs_fill_block *fill_block_array =
+		calloc(mtree_block_count, sizeof(struct incfs_fill_block));
+	struct incfs_fill_blocks fill_blocks = {
+		.count = mtree_block_count,
+		.fill_blocks = ptr_to_u64(fill_block_array),
+	};
+	struct incfs_permit_fill permit_fill;
+
+	if (!fill_block_array)
+		return -ENOMEM;
+
+	for (i = 0; i < fill_blocks.count; i++) {
+		fill_block_array[i] = (struct incfs_fill_block){
+			.block_index = i,
+			.data_len = INCFS_DATA_FILE_BLOCK_SIZE,
+			.data = ptr_to_u64(mtree[i].data),
+			.flags = INCFS_BLOCK_FLAGS_HASH
+		};
+	}
+
+	fd = openat(dir, name, O_RDONLY | O_CLOEXEC);
+	if (fd < 0) {
+		err = errno;
+		goto failure;
+	}
+
+	permit_fill.file_descriptor = fd;
+	if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+		err_msg("Failed to call PERMIT_FILL");
+		err = -errno;
+		goto failure;
+	}
+
+	err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+	close(fd);
+	if (err < fill_blocks.count)
+		err = errno;
+	else
+		err = 0;
+
+failure:
+	free(fill_block_array);
+	return err;
+}
+
+int test_incfs_file(int dst_dir, const struct options *options, int flags)
+{
+	int cmd_file = openat(dst_dir, INCFS_PENDING_READS_FILENAME,
+			      O_RDONLY | O_CLOEXEC);
+	int err;
+	char name[4];
+	incfs_uuid_t id;
+	char tag[256];
+
+	snprintf(name, sizeof(name), "%c%c%c",
+		 flags & SHUFFLE ? 'S' : 's',
+		 flags & COMPRESS ? 'C' : 'c',
+		 flags & VERIFY ? 'V' : 'v');
+
+	if (cmd_file == -1) {
+		err_msg("Could not open command file");
+		return -errno;
+	}
+
+	if (flags & VERIFY) {
+		char root_hash[INCFS_MAX_HASH_SIZE];
+		int mtree_block_count;
+		struct hash_block *mtree = build_mtree(options->size, root_hash,
+						       &mtree_block_count);
+
+		if (!mtree) {
+			err_msg("Failed to build hash tree");
+			err = -ENOMEM;
+			goto fail;
+		}
+
+		err = crypto_emit_file(cmd_file, NULL, name, &id, options->size,
+				       root_hash, "add_data");
+
+		if (!err)
+			err = load_hash_tree(cmd_file, dst_dir, name, mtree,
+					     mtree_block_count);
+
+		free(mtree);
+	} else
+		err = emit_file(cmd_file, NULL, name, &id, options->size, NULL);
+
+	if (err) {
+		err_msg("Failed to create file %s", name);
+		goto fail;
+	}
+
+	if (write_data(cmd_file, dst_dir, name, options->size, flags))
+		goto fail;
+
+	snprintf(tag, sizeof(tag), "incfs%s%s%s",
+		 flags & SHUFFLE ? "(shuffle)" : "",
+		 flags & COMPRESS ? "(compress)" : "",
+		 flags & VERIFY ? "(verify)" : "");
+
+	err = measure_read_throughput(tag, dst_dir, name, options);
+
+fail:
+	close(cmd_file);
+	return err;
+}
+
+bool skip(struct options const *options, int flag, char c)
+{
+	if (!options->file_types)
+		return false;
+
+	if (flag && strchr(options->file_types, tolower(c)))
+		return true;
+
+	if (!flag && strchr(options->file_types, toupper(c)))
+		return true;
+
+	return false;
+}
+
+int main(int argc, char *const *argv)
+{
+	struct options options;
+	int err;
+	const char *native_dir = "native";
+	const char *src_dir = "src";
+	const char *dst_dir = "dst";
+	int native_dir_fd = -1;
+	int src_dir_fd = -1;
+	int dst_dir_fd = -1;
+	int block;
+	int flags;
+
+	err = parse_options(argc, argv, &options);
+	if (err)
+		return err;
+
+	err = chdir(options.test_dir);
+	if (err) {
+		err_msg("Failed to change to %s", options.test_dir);
+		return -errno;
+	}
+
+	/* Clean up any interrupted previous runs */
+	while (!umount(dst_dir))
+		;
+
+	err = remove_dir(native_dir) || remove_dir(src_dir) ||
+	      remove_dir(dst_dir);
+	if (err)
+		return err;
+
+	err = mkdir(native_dir, 0700);
+	if (err) {
+		err_msg("Failed to make directory %s", src_dir);
+		err = -errno;
+		goto cleanup;
+	}
+
+	err = mkdir(src_dir, 0700);
+	if (err) {
+		err_msg("Failed to make directory %s", src_dir);
+		err = -errno;
+		goto cleanup;
+	}
+
+	err = mkdir(dst_dir, 0700);
+	if (err) {
+		err_msg("Failed to make directory %s", src_dir);
+		err = -errno;
+		goto cleanup;
+	}
+
+	err = mount_fs_opt(dst_dir, src_dir, "readahead=0,rlog_pages=0", 0);
+	if (err) {
+		err_msg("Failed to mount incfs");
+		goto cleanup;
+	}
+
+	native_dir_fd = open(native_dir, O_RDONLY | O_CLOEXEC);
+	src_dir_fd = open(src_dir, O_RDONLY | O_CLOEXEC);
+	dst_dir_fd = open(dst_dir, O_RDONLY | O_CLOEXEC);
+	if (native_dir_fd == -1 || src_dir_fd == -1 || dst_dir_fd == -1) {
+		err_msg("Failed to open native, src or dst dir");
+		err = -errno;
+		goto cleanup;
+	}
+
+	printf("%40s", "");
+	for (block = 0; block < options.blocks; ++block)
+		printf("%21d", 1 << (block + 12));
+	printf("\n");
+
+	if (!err && !options.no_native)
+		err = test_native_file(native_dir_fd, &options);
+
+	for (flags = 0; flags < LAST_FLAG && !err; ++flags) {
+		if (skip(&options, flags & SHUFFLE, 's') ||
+		    skip(&options, flags & COMPRESS, 'c') ||
+		    skip(&options, flags & VERIFY, 'v'))
+			continue;
+		err = test_incfs_file(dst_dir_fd, &options, flags);
+	}
+
+cleanup:
+	close(native_dir_fd);
+	close(src_dir_fd);
+	close(dst_dir_fd);
+	if (!options.no_cleanup) {
+		umount(dst_dir);
+		remove_dir(native_dir);
+		remove_dir(dst_dir);
+		remove_dir(src_dir);
+	}
+
+	return err;
+}
diff --git a/tools/testing/selftests/filesystems/incfs/incfs_stress.c b/tools/testing/selftests/filesystems/incfs/incfs_stress.c
new file mode 100644
index 0000000..a1d4917
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/incfs_stress.c
@@ -0,0 +1,322 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+#define err_msg(...)                                                           \
+	do {                                                                   \
+		fprintf(stderr, "%s: (%d) ", TAG, __LINE__);                   \
+		fprintf(stderr, __VA_ARGS__);                                  \
+		fprintf(stderr, " (%s)\n", strerror(errno));                   \
+	} while (false)
+
+#define TAG "incfs_stress"
+
+struct options {
+	bool no_cleanup; /* -c */
+	const char *test_dir; /* -d */
+	unsigned int rng_seed; /* -g */
+	int num_reads; /* -n */
+	int readers; /* -r */
+	int size; /* -s */
+	int timeout; /* -t */
+};
+
+struct read_data {
+	const char *filename;
+	int dir_fd;
+	size_t filesize;
+	int num_reads;
+	unsigned int rng_seed;
+};
+
+int cancel_threads;
+
+int parse_options(int argc, char *const *argv, struct options *options)
+{
+	signed char c;
+
+	/* Set defaults here */
+	*options = (struct options){
+		.test_dir = ".",
+		.num_reads = 1000,
+		.readers = 10,
+		.size = 10,
+	};
+
+	/* Load options from command line here */
+	while ((c = getopt(argc, argv, "cd:g:n:r:s:t:")) != -1) {
+		switch (c) {
+		case 'c':
+			options->no_cleanup = true;
+			break;
+
+		case 'd':
+			options->test_dir = optarg;
+			break;
+
+		case 'g':
+			options->rng_seed = strtol(optarg, NULL, 10);
+			break;
+
+		case 'n':
+			options->num_reads = strtol(optarg, NULL, 10);
+			break;
+
+		case 'r':
+			options->readers = strtol(optarg, NULL, 10);
+			break;
+
+		case 's':
+			options->size = strtol(optarg, NULL, 10);
+			break;
+
+		case 't':
+			options->timeout = strtol(optarg, NULL, 10);
+			break;
+		}
+	}
+
+	return 0;
+}
+
+void *reader(void *data)
+{
+	struct read_data *read_data = (struct read_data *)data;
+	int i;
+	int fd = -1;
+	void *buffer = malloc(read_data->filesize);
+
+	if (!buffer) {
+		err_msg("Failed to alloc read buffer");
+		goto out;
+	}
+
+	fd = openat(read_data->dir_fd, read_data->filename,
+		    O_RDONLY | O_CLOEXEC);
+	if (fd == -1) {
+		err_msg("Failed to open file");
+		goto out;
+	}
+
+	for (i = 0; i < read_data->num_reads && !cancel_threads; ++i) {
+		off_t offset = rnd(read_data->filesize, &read_data->rng_seed);
+		size_t count =
+			rnd(read_data->filesize - offset, &read_data->rng_seed);
+		ssize_t err = pread(fd, buffer, count, offset);
+
+		if (err != count)
+			err_msg("failed to read with value %lu", err);
+	}
+
+out:
+	close(fd);
+	free(read_data);
+	free(buffer);
+	return NULL;
+}
+
+int write_data(int cmd_fd, int dir_fd, const char *name, size_t size)
+{
+	int fd = openat(dir_fd, name, O_RDWR | O_CLOEXEC);
+	struct incfs_permit_fill permit_fill = {
+		.file_descriptor = fd,
+	};
+	int error = 0;
+	int i;
+	int block_count = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+
+	if (fd == -1) {
+		err_msg("Could not open file for writing %s", name);
+		return -errno;
+	}
+
+	if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+		err_msg("Failed to call PERMIT_FILL");
+		error = -errno;
+		goto out;
+	}
+
+	for (i = 0; i < block_count; ++i) {
+		uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+		size_t block_size =
+			size > i * INCFS_DATA_FILE_BLOCK_SIZE ?
+				INCFS_DATA_FILE_BLOCK_SIZE :
+				size - (i * INCFS_DATA_FILE_BLOCK_SIZE);
+		struct incfs_fill_block fill_block = {
+			.compression = COMPRESSION_NONE,
+			.block_index = i,
+			.data_len = block_size,
+			.data = ptr_to_u64(data),
+		};
+		struct incfs_fill_blocks fill_blocks = {
+			.count = 1,
+			.fill_blocks = ptr_to_u64(&fill_block),
+		};
+		int written = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+
+		if (written != 1) {
+			error = -errno;
+			err_msg("Failed to write block %d in file %s", i, name);
+			break;
+		}
+	}
+out:
+	close(fd);
+	return error;
+}
+
+int test_files(int src_dir, int dst_dir, struct options const *options)
+{
+	unsigned int seed = options->rng_seed;
+	int cmd_file = openat(dst_dir, INCFS_PENDING_READS_FILENAME,
+			      O_RDONLY | O_CLOEXEC);
+	int err;
+	const char *name = "001";
+	incfs_uuid_t id;
+	size_t size;
+	int i;
+	pthread_t *threads = NULL;
+
+	size = 1 << (rnd(options->size, &seed) + 12);
+	size += rnd(size, &seed);
+
+	if (cmd_file == -1) {
+		err_msg("Could not open command file");
+		return -errno;
+	}
+
+	err = emit_file(cmd_file, NULL, name, &id, size, NULL);
+	if (err) {
+		err_msg("Failed to create file %s", name);
+		return err;
+	}
+
+	threads = malloc(sizeof(pthread_t) * options->readers);
+	if (!threads) {
+		err_msg("Could not allocate memory for threads");
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < options->readers; ++i) {
+		struct read_data *read_data = malloc(sizeof(*read_data));
+
+		if (!read_data) {
+			err_msg("Failed to allocate read_data");
+			err = -ENOMEM;
+			break;
+		}
+
+		*read_data = (struct read_data){
+			.filename = name,
+			.dir_fd = dst_dir,
+			.filesize = size,
+			.num_reads = options->num_reads,
+			.rng_seed = seed,
+		};
+
+		rnd(0, &seed);
+
+		err = pthread_create(threads + i, 0, reader, read_data);
+		if (err) {
+			err_msg("Failed to create thread");
+			free(read_data);
+			break;
+		}
+	}
+
+	if (err)
+		cancel_threads = 1;
+	else
+		err = write_data(cmd_file, dst_dir, name, size);
+
+	for (; i > 0; --i) {
+		if (pthread_join(threads[i - 1], NULL)) {
+			err_msg("FATAL: failed to join thread");
+			exit(-errno);
+		}
+	}
+
+	free(threads);
+	close(cmd_file);
+	return err;
+}
+
+int main(int argc, char *const *argv)
+{
+	struct options options;
+	int err;
+	const char *src_dir = "src";
+	const char *dst_dir = "dst";
+	int src_dir_fd = -1;
+	int dst_dir_fd = -1;
+
+	err = parse_options(argc, argv, &options);
+	if (err)
+		return err;
+
+	err = chdir(options.test_dir);
+	if (err) {
+		err_msg("Failed to change to %s", options.test_dir);
+		return -errno;
+	}
+
+	err = remove_dir(src_dir) || remove_dir(dst_dir);
+	if (err)
+		return err;
+
+	err = mkdir(src_dir, 0700);
+	if (err) {
+		err_msg("Failed to make directory %s", src_dir);
+		err = -errno;
+		goto cleanup;
+	}
+
+	err = mkdir(dst_dir, 0700);
+	if (err) {
+		err_msg("Failed to make directory %s", src_dir);
+		err = -errno;
+		goto cleanup;
+	}
+
+	err = mount_fs(dst_dir, src_dir, options.timeout);
+	if (err) {
+		err_msg("Failed to mount incfs");
+		goto cleanup;
+	}
+
+	src_dir_fd = open(src_dir, O_RDONLY | O_CLOEXEC);
+	dst_dir_fd = open(dst_dir, O_RDONLY | O_CLOEXEC);
+	if (src_dir_fd == -1 || dst_dir_fd == -1) {
+		err_msg("Failed to open src or dst dir");
+		err = -errno;
+		goto cleanup;
+	}
+
+	err = test_files(src_dir_fd, dst_dir_fd, &options);
+
+cleanup:
+	close(src_dir_fd);
+	close(dst_dir_fd);
+	if (!options.no_cleanup) {
+		umount(dst_dir);
+		remove_dir(dst_dir);
+		remove_dir(src_dir);
+	}
+
+	return err;
+}
diff --git a/tools/testing/selftests/filesystems/incfs/incfs_test.c b/tools/testing/selftests/filesystems/incfs/incfs_test.c
new file mode 100644
index 0000000..b3773bd
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/incfs_test.c
@@ -0,0 +1,4803 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#define _GNU_SOURCE
+
+#include <alloca.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <lz4.h>
+#include <poll.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <zstd.h>
+
+#include <sys/inotify.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/xattr.h>
+#include <sys/statvfs.h>
+
+#include <linux/random.h>
+#include <linux/stat.h>
+#include <linux/unistd.h>
+
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+
+#include <kselftest.h>
+#include <include/uapi/linux/fsverity.h>
+
+#include "utils.h"
+
+/* Can't include uapi/linux/fs.h because it clashes with mount.h */
+#define	FS_IOC_GETFLAGS			_IOR('f', 1, long)
+#define FS_VERITY_FL			0x00100000 /* Verity protected inode */
+
+#define TEST_SKIP 2
+#define TEST_FAILURE 1
+#define TEST_SUCCESS 0
+
+#define INCFS_ROOT_INODE 0
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define le16_to_cpu(x)          (x)
+#define le32_to_cpu(x)          (x)
+#define le64_to_cpu(x)          (x)
+#else
+#error Big endian not supported!
+#endif
+
+struct {
+	int file;
+	int test;
+	bool verbose;
+} options;
+
+#define TESTCOND(condition)						\
+	do {								\
+		if (!(condition)) {					\
+			ksft_print_msg("%s failed %d\n",		\
+				       __func__, __LINE__);		\
+			goto out;					\
+		} else if (options.verbose)				\
+			ksft_print_msg("%s succeeded %d\n",		\
+				       __func__, __LINE__);		\
+	} while (false)
+
+#define TEST(statement, condition)					\
+	do {								\
+		statement;						\
+		TESTCOND(condition);					\
+	} while (false)
+
+#define TESTEQUAL(statement, res)					\
+	TESTCOND((statement) == (res))
+
+#define TESTNE(statement, res)					\
+	TESTCOND((statement) != (res))
+
+#define TESTSYSCALL(statement)						\
+	do {								\
+		int res = statement;					\
+									\
+		if (res)						\
+			ksft_print_msg("Failed: %s (%d)\n",		\
+				       strerror(errno), errno);		\
+		TESTEQUAL(res, 0);					\
+	} while (false)
+
+void print_bytes(const void *data, size_t size)
+{
+	const uint8_t *bytes = data;
+	int i;
+
+	for (i = 0; i < size; ++i) {
+		if (i % 0x10 == 0)
+			printf("%08x:", i);
+		printf("%02x ", (unsigned int) bytes[i]);
+		if (i % 0x10 == 0x0f)
+			printf("\n");
+	}
+
+	if (i % 0x10 != 0)
+		printf("\n");
+}
+
+struct hash_block {
+	char data[INCFS_DATA_FILE_BLOCK_SIZE];
+};
+
+struct test_signature {
+	void *data;
+	size_t size;
+
+	char add_data[100];
+	size_t add_data_size;
+};
+
+struct test_file {
+	int index;
+	incfs_uuid_t id;
+	char *name;
+	off_t size;
+	char root_hash[INCFS_MAX_HASH_SIZE];
+	struct hash_block *mtree;
+	int mtree_block_count;
+	struct test_signature sig;
+	unsigned char *verity_sig;
+	size_t verity_sig_size;
+};
+
+struct test_files_set {
+	struct test_file *files;
+	int files_count;
+};
+
+struct linux_dirent64 {
+	uint64_t       d_ino;
+	int64_t        d_off;
+	unsigned short d_reclen;
+	unsigned char  d_type;
+	char	       d_name[0];
+} __packed;
+
+struct test_files_set get_test_files_set(void)
+{
+	static struct test_file files[] = {
+		{ .index = 0, .name = "file_one_byte", .size = 1 },
+		{ .index = 1,
+		  .name = "file_one_block",
+		  .size = INCFS_DATA_FILE_BLOCK_SIZE },
+		{ .index = 2,
+		  .name = "file_one_and_a_half_blocks",
+		  .size = INCFS_DATA_FILE_BLOCK_SIZE +
+			  INCFS_DATA_FILE_BLOCK_SIZE / 2 },
+		{ .index = 3,
+		  .name = "file_three",
+		  .size = 300 * INCFS_DATA_FILE_BLOCK_SIZE + 3 },
+		{ .index = 4,
+		  .name = "file_four",
+		  .size = 400 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+		{ .index = 5,
+		  .name = "file_five",
+		  .size = 500 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+		{ .index = 6,
+		  .name = "file_six",
+		  .size = 600 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+		{ .index = 7,
+		  .name = "file_seven",
+		  .size = 700 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+		{ .index = 8,
+		  .name = "file_eight",
+		  .size = 800 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+		{ .index = 9,
+		  .name = "file_nine",
+		  .size = 900 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+		{ .index = 10, .name = "file_big", .size = 500 * 1024 * 1024 }
+	};
+
+	if (options.file)
+		return (struct test_files_set) {
+			.files = files + options.file - 1,
+			.files_count = 1,
+		};
+
+	return (struct test_files_set){ .files = files,
+					.files_count = ARRAY_SIZE(files) };
+}
+
+struct test_files_set get_small_test_files_set(void)
+{
+	static struct test_file files[] = {
+		{ .index = 0, .name = "file_one_byte", .size = 1 },
+		{ .index = 1,
+		  .name = "file_one_block",
+		  .size = INCFS_DATA_FILE_BLOCK_SIZE },
+		{ .index = 2,
+		  .name = "file_one_and_a_half_blocks",
+		  .size = INCFS_DATA_FILE_BLOCK_SIZE +
+			  INCFS_DATA_FILE_BLOCK_SIZE / 2 },
+		{ .index = 3,
+		  .name = "file_three",
+		  .size = 300 * INCFS_DATA_FILE_BLOCK_SIZE + 3 },
+		{ .index = 4,
+		  .name = "file_four",
+		  .size = 400 * INCFS_DATA_FILE_BLOCK_SIZE + 7 }
+	};
+	return (struct test_files_set){ .files = files,
+					.files_count = ARRAY_SIZE(files) };
+}
+
+static int get_file_block_seed(int file, int block)
+{
+	return 7919 * file + block;
+}
+
+static loff_t min(loff_t a, loff_t b)
+{
+	return a < b ? a : b;
+}
+
+static int ilog2(size_t n)
+{
+	int l = 0;
+
+	while (n > 1) {
+		++l;
+		n >>= 1;
+	}
+	return l;
+}
+
+static pid_t flush_and_fork(void)
+{
+	fflush(stdout);
+	return fork();
+}
+
+static void print_error(char *msg)
+{
+	ksft_print_msg("%s: %s\n", msg, strerror(errno));
+}
+
+static int wait_for_process(pid_t pid)
+{
+	int status;
+	int wait_res;
+
+	wait_res = waitpid(pid, &status, 0);
+	if (wait_res <= 0) {
+		print_error("Can't wait for the child");
+		return -EINVAL;
+	}
+	if (!WIFEXITED(status)) {
+		ksft_print_msg("Unexpected child status pid=%d\n", pid);
+		return -EINVAL;
+	}
+	status = WEXITSTATUS(status);
+	if (status != 0)
+		return status;
+	return 0;
+}
+
+static void rnd_buf(uint8_t *data, size_t len, unsigned int seed)
+{
+	int i;
+
+	for (i = 0; i < len; i++) {
+		seed = 1103515245 * seed + 12345;
+		data[i] = (uint8_t)(seed >> (i % 13));
+	}
+}
+
+char *bin2hex(char *dst, const void *src, size_t count)
+{
+	const unsigned char *_src = src;
+	static const char hex_asc[] = "0123456789abcdef";
+
+	while (count--) {
+		unsigned char x = *_src++;
+
+		*dst++ = hex_asc[(x & 0xf0) >> 4];
+		*dst++ = hex_asc[(x & 0x0f)];
+	}
+	*dst = 0;
+	return dst;
+}
+
+static char *get_index_filename(const char *mnt_dir, incfs_uuid_t id)
+{
+	char path[FILENAME_MAX];
+	char str_id[1 + 2 * sizeof(id)];
+
+	bin2hex(str_id, id.bytes, sizeof(id.bytes));
+	snprintf(path, ARRAY_SIZE(path), "%s/.index/%s", mnt_dir, str_id);
+
+	return strdup(path);
+}
+
+static char *get_incomplete_filename(const char *mnt_dir, incfs_uuid_t id)
+{
+	char path[FILENAME_MAX];
+	char str_id[1 + 2 * sizeof(id)];
+
+	bin2hex(str_id, id.bytes, sizeof(id.bytes));
+	snprintf(path, ARRAY_SIZE(path), "%s/.incomplete/%s", mnt_dir, str_id);
+
+	return strdup(path);
+}
+
+int open_file_by_id(const char *mnt_dir, incfs_uuid_t id, bool use_ioctl)
+{
+	char *path = get_index_filename(mnt_dir, id);
+	int cmd_fd = open_commands_file(mnt_dir);
+	int fd = open(path, O_RDWR | O_CLOEXEC);
+	struct incfs_permit_fill permit_fill = {
+		.file_descriptor = fd,
+	};
+	int error = 0;
+
+	if (fd < 0) {
+		print_error("Can't open file by id.");
+		error = -errno;
+		goto out;
+	}
+
+	if (use_ioctl && ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+		print_error("Failed to call PERMIT_FILL");
+		error = -errno;
+		goto out;
+	}
+
+	if (ioctl(fd, INCFS_IOC_PERMIT_FILL, &permit_fill) != -1) {
+		print_error(
+			"Successfully called PERMIT_FILL on non pending_read file");
+		return -errno;
+		goto out;
+	}
+
+out:
+	free(path);
+	close(cmd_fd);
+
+	if (error) {
+		close(fd);
+		return error;
+	}
+
+	return fd;
+}
+
+int get_file_attr(const char *mnt_dir, incfs_uuid_t id, char *value, int size)
+{
+	char *path = get_index_filename(mnt_dir, id);
+	int res;
+
+	res = getxattr(path, INCFS_XATTR_METADATA_NAME, value, size);
+	if (res < 0)
+		res = -errno;
+
+	free(path);
+	return res;
+}
+
+static bool same_id(incfs_uuid_t *id1, incfs_uuid_t *id2)
+{
+	return !memcmp(id1->bytes, id2->bytes, sizeof(id1->bytes));
+}
+
+ssize_t ZSTD_compress_default(char *data, char *comp_data, size_t data_size,
+					size_t comp_size)
+{
+	return ZSTD_compress(comp_data, comp_size, data, data_size, 1);
+}
+
+static int emit_test_blocks(const char *mnt_dir, struct test_file *file,
+			int blocks[], int count)
+{
+	uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+	uint8_t comp_data[2 * INCFS_DATA_FILE_BLOCK_SIZE];
+	int block_count = (count > 32) ? 32 : count;
+	int data_buf_size = 2 * INCFS_DATA_FILE_BLOCK_SIZE * block_count;
+	uint8_t *data_buf = malloc(data_buf_size);
+	uint8_t *current_data = data_buf;
+	uint8_t *data_end = data_buf + data_buf_size;
+	struct incfs_fill_block *block_buf =
+		calloc(block_count, sizeof(struct incfs_fill_block));
+	struct incfs_fill_blocks fill_blocks = {
+		.count = block_count,
+		.fill_blocks = ptr_to_u64(block_buf),
+	};
+	ssize_t write_res = 0;
+	int fd = -1;
+	int error = 0;
+	int i = 0;
+	int blocks_written = 0;
+
+	for (i = 0; i < block_count; i++) {
+		int block_index = blocks[i];
+		bool compress_zstd = (file->index + block_index) % 4 == 2;
+		bool compress_lz4 = (file->index + block_index) % 4 == 0;
+		int seed = get_file_block_seed(file->index, block_index);
+		off_t block_offset =
+			((off_t)block_index) * INCFS_DATA_FILE_BLOCK_SIZE;
+		size_t block_size = 0;
+
+		if (block_offset > file->size) {
+			error = -EINVAL;
+			break;
+		}
+		if (file->size - block_offset >
+			INCFS_DATA_FILE_BLOCK_SIZE)
+			block_size = INCFS_DATA_FILE_BLOCK_SIZE;
+		else
+			block_size = file->size - block_offset;
+
+		rnd_buf(data, block_size, seed);
+		if (compress_lz4) {
+			size_t comp_size = LZ4_compress_default((char *)data,
+					(char *)comp_data, block_size,
+					ARRAY_SIZE(comp_data));
+
+			if (comp_size <= 0) {
+				error = -EBADMSG;
+				break;
+			}
+			if (current_data + comp_size > data_end) {
+				error = -ENOMEM;
+				break;
+			}
+			memcpy(current_data, comp_data, comp_size);
+			block_size = comp_size;
+			block_buf[i].compression = COMPRESSION_LZ4;
+		} else if (compress_zstd) {
+			size_t comp_size = ZSTD_compress(comp_data,
+					ARRAY_SIZE(comp_data), data, block_size,
+					1);
+
+			if (comp_size <= 0) {
+				error = -EBADMSG;
+				break;
+			}
+			if (current_data + comp_size > data_end) {
+				error = -ENOMEM;
+				break;
+			}
+			memcpy(current_data, comp_data, comp_size);
+			block_size = comp_size;
+			block_buf[i].compression = COMPRESSION_ZSTD;
+		} else {
+			if (current_data + block_size > data_end) {
+				error = -ENOMEM;
+				break;
+			}
+			memcpy(current_data, data, block_size);
+			block_buf[i].compression = COMPRESSION_NONE;
+		}
+
+		block_buf[i].block_index = block_index;
+		block_buf[i].data_len = block_size;
+		block_buf[i].data = ptr_to_u64(current_data);
+		current_data += block_size;
+	}
+
+	if (!error) {
+		fd = open_file_by_id(mnt_dir, file->id, false);
+		if (fd < 0) {
+			error = -errno;
+			goto out;
+		}
+		write_res = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+		if (write_res >= 0) {
+			ksft_print_msg("Wrote to file via normal fd error\n");
+			error = -EPERM;
+			goto out;
+		}
+
+		close(fd);
+		fd = open_file_by_id(mnt_dir, file->id, true);
+		if (fd < 0) {
+			error = -errno;
+			goto out;
+		}
+		write_res = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+		if (write_res < 0)
+			error = -errno;
+		else
+			blocks_written = write_res;
+	}
+	if (error) {
+		ksft_print_msg(
+			"Writing data block error. Write returned: %d. Error:%s\n",
+			write_res, strerror(-error));
+	}
+
+out:
+	free(block_buf);
+	free(data_buf);
+	close(fd);
+	return (error < 0) ? error : blocks_written;
+}
+
+static int emit_test_block(const char *mnt_dir, struct test_file *file,
+				int block_index)
+{
+	int res = emit_test_blocks(mnt_dir, file, &block_index, 1);
+
+	if (res == 0)
+		return -EINVAL;
+	if (res == 1)
+		return 0;
+	return res;
+}
+
+static void shuffle(int array[], int count, unsigned int seed)
+{
+	int i;
+
+	for (i = 0; i < count - 1; i++) {
+		int items_left = count - i;
+		int shuffle_index;
+		int v;
+
+		seed = 1103515245 * seed + 12345;
+		shuffle_index = i + seed % items_left;
+
+		v = array[shuffle_index];
+		array[shuffle_index] = array[i];
+		array[i] = v;
+	}
+}
+
+static int emit_test_file_data(const char *mount_dir, struct test_file *file)
+{
+	int i;
+	int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	int *block_indexes = NULL;
+	int result = 0;
+	int blocks_written = 0;
+
+	if (file->size == 0)
+		return 0;
+
+	block_indexes = calloc(block_cnt, sizeof(*block_indexes));
+	for (i = 0; i < block_cnt; i++)
+		block_indexes[i] = i;
+	shuffle(block_indexes, block_cnt, file->index);
+
+	for (i = 0; i < block_cnt; i += blocks_written) {
+		blocks_written = emit_test_blocks(mount_dir, file,
+					block_indexes + i, block_cnt - i);
+		if (blocks_written < 0) {
+			result = blocks_written;
+			goto out;
+		}
+		if (blocks_written == 0) {
+			result = -EIO;
+			goto out;
+		}
+	}
+out:
+	free(block_indexes);
+	return result;
+}
+
+static loff_t read_whole_file(const char *filename)
+{
+	int fd = -1;
+	loff_t result;
+	loff_t bytes_read = 0;
+	uint8_t buff[16 * 1024];
+
+	fd = open(filename, O_RDONLY | O_CLOEXEC);
+	if (fd <= 0)
+		return fd;
+
+	while (1) {
+		int read_result = read(fd, buff, ARRAY_SIZE(buff));
+
+		if (read_result < 0) {
+			print_error("Error during reading from a file.");
+			result = -errno;
+			goto cleanup;
+		} else if (read_result == 0)
+			break;
+
+		bytes_read += read_result;
+	}
+	result = bytes_read;
+
+cleanup:
+	close(fd);
+	return result;
+}
+
+static int read_test_file(uint8_t *buf, size_t len, char *filename,
+			  int block_idx)
+{
+	int fd = -1;
+	int result;
+	int bytes_read = 0;
+	size_t bytes_to_read = len;
+	off_t offset = ((off_t)block_idx) * INCFS_DATA_FILE_BLOCK_SIZE;
+
+	fd = open(filename, O_RDONLY | O_CLOEXEC);
+	if (fd <= 0)
+		return fd;
+
+	if (lseek(fd, offset, SEEK_SET) != offset) {
+		print_error("Seek error");
+		return -errno;
+	}
+
+	while (bytes_read < bytes_to_read) {
+		int read_result =
+			read(fd, buf + bytes_read, bytes_to_read - bytes_read);
+		if (read_result < 0) {
+			result = -errno;
+			goto cleanup;
+		} else if (read_result == 0)
+			break;
+
+		bytes_read += read_result;
+	}
+	result = bytes_read;
+
+cleanup:
+	close(fd);
+	return result;
+}
+
+static char *create_backing_dir(const char *mount_dir)
+{
+	struct stat st;
+	char backing_dir_name[255];
+
+	snprintf(backing_dir_name, ARRAY_SIZE(backing_dir_name), "%s-src",
+		 mount_dir);
+
+	if (stat(backing_dir_name, &st) == 0) {
+		if (S_ISDIR(st.st_mode)) {
+			int error = delete_dir_tree(backing_dir_name);
+
+			if (error) {
+				ksft_print_msg(
+				      "Can't delete existing backing dir. %d\n",
+				      error);
+				return NULL;
+			}
+		} else {
+			if (unlink(backing_dir_name)) {
+				print_error("Can't clear backing dir");
+				return NULL;
+			}
+		}
+	}
+
+	if (mkdir(backing_dir_name, 0777)) {
+		if (errno != EEXIST) {
+			print_error("Can't open/create backing dir");
+			return NULL;
+		}
+	}
+
+	return strdup(backing_dir_name);
+}
+
+static int validate_test_file_content_with_seed(const char *mount_dir,
+						struct test_file *file,
+						unsigned int shuffle_seed)
+{
+	int error = -1;
+	char *filename = concat_file_name(mount_dir, file->name);
+	off_t size = file->size;
+	loff_t actual_size = get_file_size(filename);
+	int block_cnt = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	int *block_indexes = NULL;
+	int i;
+
+	block_indexes = alloca(sizeof(int) * block_cnt);
+	for (i = 0; i < block_cnt; i++)
+		block_indexes[i] = i;
+
+	if (shuffle_seed != 0)
+		shuffle(block_indexes, block_cnt, shuffle_seed);
+
+	if (actual_size != size) {
+		ksft_print_msg(
+			"File size doesn't match. name: %s expected size:%ld actual size:%ld\n",
+			filename, size, actual_size);
+		error = -1;
+		goto failure;
+	}
+
+	for (i = 0; i < block_cnt; i++) {
+		int block_idx = block_indexes[i];
+		uint8_t expected_block[INCFS_DATA_FILE_BLOCK_SIZE];
+		uint8_t actual_block[INCFS_DATA_FILE_BLOCK_SIZE];
+		int seed = get_file_block_seed(file->index, block_idx);
+		size_t bytes_to_compare = min(
+			(off_t)INCFS_DATA_FILE_BLOCK_SIZE,
+			size - ((off_t)block_idx) * INCFS_DATA_FILE_BLOCK_SIZE);
+		int read_result =
+			read_test_file(actual_block, INCFS_DATA_FILE_BLOCK_SIZE,
+				       filename, block_idx);
+		if (read_result < 0) {
+			ksft_print_msg(
+				"Error reading block %d from file %s. Error: %s\n",
+				block_idx, filename, strerror(-read_result));
+			error = read_result;
+			goto failure;
+		}
+		rnd_buf(expected_block, INCFS_DATA_FILE_BLOCK_SIZE, seed);
+		if (memcmp(expected_block, actual_block, bytes_to_compare)) {
+			ksft_print_msg(
+				"File contents don't match. name: %s block:%d\n",
+				file->name, block_idx);
+			error = -2;
+			goto failure;
+		}
+	}
+	free(filename);
+	return 0;
+
+failure:
+	free(filename);
+	return error;
+}
+
+static int validate_test_file_content(const char *mount_dir,
+				      struct test_file *file)
+{
+	return validate_test_file_content_with_seed(mount_dir, file, 0);
+}
+
+static int data_producer(const char *mount_dir, struct test_files_set *test_set)
+{
+	int ret = 0;
+	int timeout_ms = 1000;
+	struct incfs_pending_read_info prs[100] = {};
+	int prs_size = ARRAY_SIZE(prs);
+	int fd = open_commands_file(mount_dir);
+
+	if (fd < 0)
+		return -errno;
+
+	while ((ret = wait_for_pending_reads(fd, timeout_ms, prs, prs_size)) >
+	       0) {
+		int read_count = ret;
+		int i;
+
+		for (i = 0; i < read_count; i++) {
+			int j = 0;
+			struct test_file *file = NULL;
+
+			for (j = 0; j < test_set->files_count; j++) {
+				bool same = same_id(&(test_set->files[j].id),
+					&(prs[i].file_id));
+
+				if (same) {
+					file = &test_set->files[j];
+					break;
+				}
+			}
+			if (!file) {
+				ksft_print_msg(
+					"Unknown file in pending reads.\n");
+				break;
+			}
+
+			ret = emit_test_block(mount_dir, file,
+				prs[i].block_index);
+			if (ret < 0) {
+				ksft_print_msg("Emitting test data error: %s\n",
+						strerror(-ret));
+				break;
+			}
+		}
+	}
+	close(fd);
+	return ret;
+}
+
+static int data_producer2(const char *mount_dir,
+			  struct test_files_set *test_set)
+{
+	int ret = 0;
+	int timeout_ms = 1000;
+	struct incfs_pending_read_info2 prs[100] = {};
+	int prs_size = ARRAY_SIZE(prs);
+	int fd = open_commands_file(mount_dir);
+
+	if (fd < 0)
+		return -errno;
+
+	while ((ret = wait_for_pending_reads2(fd, timeout_ms, prs, prs_size)) >
+	       0) {
+		int read_count = ret;
+		int i;
+
+		for (i = 0; i < read_count; i++) {
+			int j = 0;
+			struct test_file *file = NULL;
+
+			for (j = 0; j < test_set->files_count; j++) {
+				bool same = same_id(&(test_set->files[j].id),
+					&(prs[i].file_id));
+
+				if (same) {
+					file = &test_set->files[j];
+					break;
+				}
+			}
+			if (!file) {
+				ksft_print_msg(
+					"Unknown file in pending reads.\n");
+				break;
+			}
+
+			ret = emit_test_block(mount_dir, file,
+				prs[i].block_index);
+			if (ret < 0) {
+				ksft_print_msg("Emitting test data error: %s\n",
+						strerror(-ret));
+				break;
+			}
+		}
+	}
+	close(fd);
+	return ret;
+}
+
+static int build_mtree(struct test_file *file)
+{
+	char data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+	const int digest_size = SHA256_DIGEST_SIZE;
+	const int hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+	int block_count = 0;
+	int hash_block_count = 0;
+	int total_tree_block_count = 0;
+	int tree_lvl_index[INCFS_MAX_MTREE_LEVELS] = {};
+	int tree_lvl_count[INCFS_MAX_MTREE_LEVELS] = {};
+	int levels_count = 0;
+	int i, level;
+
+	if (file->size == 0)
+		return 0;
+
+	block_count = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	hash_block_count = block_count;
+	for (i = 0; hash_block_count > 1; i++) {
+		hash_block_count = (hash_block_count + hash_per_block - 1)
+			/ hash_per_block;
+		tree_lvl_count[i] = hash_block_count;
+		total_tree_block_count += hash_block_count;
+	}
+	levels_count = i;
+
+	for (i = 0; i < levels_count; i++) {
+		int prev_lvl_base = (i == 0) ? total_tree_block_count :
+			tree_lvl_index[i - 1];
+
+		tree_lvl_index[i] = prev_lvl_base - tree_lvl_count[i];
+	}
+
+	file->mtree_block_count = total_tree_block_count;
+	if (block_count == 1) {
+		int seed = get_file_block_seed(file->index, 0);
+
+		memset(data, 0, INCFS_DATA_FILE_BLOCK_SIZE);
+		rnd_buf((uint8_t *)data, file->size, seed);
+		sha256(data, INCFS_DATA_FILE_BLOCK_SIZE, file->root_hash);
+		return 0;
+	}
+
+	file->mtree = calloc(total_tree_block_count, sizeof(*file->mtree));
+	/* Build level 0 hashes. */
+	for (i = 0; i < block_count; i++) {
+		off_t offset = i * INCFS_DATA_FILE_BLOCK_SIZE;
+		size_t block_size = INCFS_DATA_FILE_BLOCK_SIZE;
+		int block_index = tree_lvl_index[0] +
+					i / hash_per_block;
+		int block_off = (i % hash_per_block) * digest_size;
+		int seed = get_file_block_seed(file->index, i);
+		char *hash_ptr = file->mtree[block_index].data + block_off;
+
+		if (file->size - offset < block_size) {
+			block_size = file->size - offset;
+			memset(data, 0, INCFS_DATA_FILE_BLOCK_SIZE);
+		}
+
+		rnd_buf((uint8_t *)data, block_size, seed);
+		sha256(data, INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+	}
+
+	/* Build higher levels of hash tree. */
+	for (level = 1; level < levels_count; level++) {
+		int prev_lvl_base = tree_lvl_index[level - 1];
+		int prev_lvl_count = tree_lvl_count[level - 1];
+
+		for (i = 0; i < prev_lvl_count; i++) {
+			int block_index =
+				i / hash_per_block + tree_lvl_index[level];
+			int block_off = (i % hash_per_block) * digest_size;
+			char *hash_ptr =
+				file->mtree[block_index].data + block_off;
+
+			sha256(file->mtree[i + prev_lvl_base].data,
+			       INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+		}
+	}
+
+	/* Calculate root hash from the top block */
+	sha256(file->mtree[0].data,
+		INCFS_DATA_FILE_BLOCK_SIZE, file->root_hash);
+
+	return 0;
+}
+
+static int load_hash_tree(const char *mount_dir, struct test_file *file)
+{
+	int err;
+	int i;
+	int fd;
+	struct incfs_fill_blocks fill_blocks = {
+		.count = file->mtree_block_count,
+	};
+	struct incfs_fill_block *fill_block_array =
+		calloc(fill_blocks.count, sizeof(struct incfs_fill_block));
+
+	if (fill_blocks.count == 0)
+		return 0;
+
+	if (!fill_block_array)
+		return -ENOMEM;
+	fill_blocks.fill_blocks = ptr_to_u64(fill_block_array);
+
+	for (i = 0; i < fill_blocks.count; i++) {
+		fill_block_array[i] = (struct incfs_fill_block){
+			.block_index = i,
+			.data_len = INCFS_DATA_FILE_BLOCK_SIZE,
+			.data = ptr_to_u64(file->mtree[i].data),
+			.flags = INCFS_BLOCK_FLAGS_HASH
+		};
+	}
+
+	fd = open_file_by_id(mount_dir, file->id, false);
+	if (fd < 0) {
+		err = errno;
+		goto failure;
+	}
+
+	err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+	close(fd);
+	if (err >= 0) {
+		err = -EPERM;
+		goto failure;
+	}
+
+	fd = open_file_by_id(mount_dir, file->id, true);
+	if (fd < 0) {
+		err = errno;
+		goto failure;
+	}
+
+	err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+	close(fd);
+	if (err < fill_blocks.count)
+		err = errno;
+	else
+		err = 0;
+
+failure:
+	free(fill_block_array);
+	return err;
+}
+
+static int cant_touch_index_test(const char *mount_dir)
+{
+	char *file_name = "test_file";
+	int file_size = 123;
+	incfs_uuid_t file_id;
+	char *index_path = concat_file_name(mount_dir, ".index");
+	char *subdir = concat_file_name(index_path, "subdir");
+	char *dst_name = concat_file_name(mount_dir, "something");
+	char *filename_in_index = NULL;
+	char *file_path = concat_file_name(mount_dir, file_name);
+	char *backing_dir;
+	int cmd_fd = -1;
+	int err;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file. */
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+	free(backing_dir);
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+
+	err = mkdir(subdir, 0777);
+	if (err == 0 || errno != EBUSY) {
+		print_error("Shouldn't be able to crate subdir in index\n");
+		goto failure;
+	}
+
+	err = rmdir(index_path);
+	if (err == 0 || errno != EBUSY) {
+		print_error(".index directory should not be removed\n");
+		goto failure;
+	}
+
+	err = emit_file(cmd_fd, ".index", file_name, &file_id,
+				file_size, NULL);
+	if (err != -EBUSY) {
+		print_error("Shouldn't be able to crate a file in index\n");
+		goto failure;
+	}
+
+	err = emit_file(cmd_fd, NULL, file_name, &file_id,
+				file_size, NULL);
+	if (err < 0)
+		goto failure;
+	filename_in_index = get_index_filename(mount_dir, file_id);
+
+	err = unlink(filename_in_index);
+	if (err == 0 || errno != EBUSY) {
+		print_error("Shouldn't be delete from index\n");
+		goto failure;
+	}
+
+
+	err = rename(filename_in_index, dst_name);
+	if (err == 0 || errno != EBUSY) {
+		print_error("Shouldn't be able to move from index\n");
+		goto failure;
+	}
+
+	free(filename_in_index);
+	filename_in_index = concat_file_name(index_path, "abc");
+	err = link(file_path, filename_in_index);
+	if (err == 0 || errno != EBUSY) {
+		print_error("Shouldn't be able to link inside index\n");
+		goto failure;
+	}
+
+	err = rename(index_path, dst_name);
+	if (err == 0 || errno != EBUSY) {
+		print_error("Shouldn't rename .index directory\n");
+		goto failure;
+	}
+
+	close(cmd_fd);
+	free(subdir);
+	free(index_path);
+	free(dst_name);
+	free(filename_in_index);
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	free(subdir);
+	free(dst_name);
+	free(index_path);
+	free(filename_in_index);
+	close(cmd_fd);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static bool iterate_directory(const char *dir_to_iterate, bool root,
+			      int file_count)
+{
+	struct expected_name {
+		const char *name;
+		bool root_only;
+		bool found;
+	} names[] = {
+		{INCFS_LOG_FILENAME, true, false},
+		{INCFS_PENDING_READS_FILENAME, true, false},
+		{INCFS_BLOCKS_WRITTEN_FILENAME, true, false},
+		{".index", true, false},
+		{".incomplete", true, false},
+		{"..", false, false},
+		{".", false, false},
+	};
+
+	bool pass = true, found;
+	int i;
+
+	/* Test directory iteration */
+	int fd = open(dir_to_iterate, O_RDONLY | O_DIRECTORY | O_CLOEXEC);
+
+	if (fd < 0) {
+		print_error("Can't open directory\n");
+		return false;
+	}
+
+	for (;;) {
+		/* Enough space for one dirent - no name over 30 */
+		char buf[sizeof(struct linux_dirent64) + NAME_MAX];
+		struct linux_dirent64 *dirent = (struct linux_dirent64 *) buf;
+		int nread;
+		int i;
+
+		for (i = 0; i < NAME_MAX; ++i) {
+			nread = syscall(__NR_getdents64, fd, buf,
+					 sizeof(struct linux_dirent64) + i);
+
+			if (nread >= 0)
+				break;
+			if (errno != EINVAL)
+				break;
+		}
+
+		if (nread == 0)
+			break;
+		if (nread < 0) {
+			print_error("Error iterating directory\n");
+			pass = false;
+			goto failure;
+		}
+
+		/* Expected size is rounded up to 8 byte boundary. Not sure if
+		 * this is universal truth or just happenstance, but useful test
+		 * for the moment
+		 */
+		if (nread != (((sizeof(struct linux_dirent64)
+				+ strlen(dirent->d_name) + 1) + 7) & ~7)) {
+			print_error("Wrong dirent size");
+			pass = false;
+			goto failure;
+		}
+
+		found = false;
+		for (i = 0; i < sizeof(names) / sizeof(*names); ++i)
+			if (!strcmp(dirent->d_name, names[i].name)) {
+				if (names[i].root_only && !root) {
+					print_error("Root file error");
+					pass = false;
+					goto failure;
+				}
+
+				if (names[i].found) {
+					print_error("File appears twice");
+					pass = false;
+					goto failure;
+				}
+
+				names[i].found = true;
+				found = true;
+				break;
+			}
+
+		if (!found)
+			--file_count;
+	}
+
+	for (i = 0; i < sizeof(names) / sizeof(*names); ++i) {
+		if (!names[i].found)
+			if (root || !names[i].root_only) {
+				print_error("Expected file not present");
+				pass = false;
+				goto failure;
+			}
+	}
+
+	if (file_count) {
+		print_error("Wrong number of files\n");
+		pass = false;
+		goto failure;
+	}
+
+failure:
+	close(fd);
+	return pass;
+}
+
+static int basic_file_ops_test(const char *mount_dir)
+{
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	char *subdir1 = concat_file_name(mount_dir, "subdir1");
+	char *subdir2 = concat_file_name(mount_dir, "subdir2");
+	char *backing_dir;
+	int cmd_fd = -1;
+	int i, err;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file. */
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+	free(backing_dir);
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	err = mkdir(subdir1, 0777);
+	if (err < 0 && errno != EEXIST) {
+		print_error("Can't create subdir1\n");
+		goto failure;
+	}
+
+	err = mkdir(subdir2, 0777);
+	if (err < 0 && errno != EEXIST) {
+		print_error("Can't create subdir2\n");
+		goto failure;
+	}
+
+	/* Create all test files in subdir1 directory */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		loff_t size;
+		char *file_path = concat_file_name(subdir1, file->name);
+
+		err = emit_file(cmd_fd, "subdir1", file->name, &file->id,
+				     file->size, NULL);
+		if (err < 0)
+			goto failure;
+
+		size = get_file_size(file_path);
+		free(file_path);
+		if (size != file->size) {
+			ksft_print_msg("Wrong size %lld of %s.\n",
+				size, file->name);
+			goto failure;
+		}
+	}
+
+	if (!iterate_directory(subdir1, false, file_num))
+		goto failure;
+
+	/* Link the files to subdir2 */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *src_name = concat_file_name(subdir1, file->name);
+		char *dst_name = concat_file_name(subdir2, file->name);
+		loff_t size;
+
+		err = link(src_name, dst_name);
+		if (err < 0) {
+			print_error("Can't move file\n");
+			goto failure;
+		}
+
+		size = get_file_size(dst_name);
+		if (size != file->size) {
+			ksft_print_msg("Wrong size %lld of %s.\n",
+				size, file->name);
+			goto failure;
+		}
+		free(src_name);
+		free(dst_name);
+	}
+
+	/* Move the files from subdir2 to the mount dir */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *src_name = concat_file_name(subdir2, file->name);
+		char *dst_name = concat_file_name(mount_dir, file->name);
+		loff_t size;
+
+		err = rename(src_name, dst_name);
+		if (err < 0) {
+			print_error("Can't move file\n");
+			goto failure;
+		}
+
+		size = get_file_size(dst_name);
+		if (size != file->size) {
+			ksft_print_msg("Wrong size %lld of %s.\n",
+				size, file->name);
+			goto failure;
+		}
+		free(src_name);
+		free(dst_name);
+	}
+
+	/* +2 because there are 2 subdirs */
+	if (!iterate_directory(mount_dir, true, file_num + 2))
+		goto failure;
+
+	/* Open and close all files from the mount dir */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *path = concat_file_name(mount_dir, file->name);
+		int fd;
+
+		fd = open(path, O_RDWR | O_CLOEXEC);
+		free(path);
+		if (fd <= 0) {
+			print_error("Can't open file");
+			goto failure;
+		}
+		if (close(fd)) {
+			print_error("Can't close file");
+			goto failure;
+		}
+	}
+
+	/* Delete all files from the mount dir */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *path = concat_file_name(mount_dir, file->name);
+
+		err = unlink(path);
+		free(path);
+		if (err < 0) {
+			print_error("Can't unlink file");
+			goto failure;
+		}
+	}
+
+	err = delete_dir_tree(subdir1);
+	if (err) {
+		ksft_print_msg("Error deleting subdir1 %d", err);
+		goto failure;
+	}
+
+	err = rmdir(subdir2);
+	if (err) {
+		print_error("Error deleting subdir2");
+		goto failure;
+	}
+
+	close(cmd_fd);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static int dynamic_files_and_data_test(const char *mount_dir)
+{
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	const int missing_file_idx = 5;
+	int cmd_fd = -1;
+	char *backing_dir;
+	int i;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file. */
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+	free(backing_dir);
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Check that test files don't exist in the filesystem. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *filename = concat_file_name(mount_dir, file->name);
+
+		if (access(filename, F_OK) != -1) {
+			ksft_print_msg(
+				"File %s somehow already exists in a clean FS.\n",
+				filename);
+			goto failure;
+		}
+		free(filename);
+	}
+
+	/* Write test data into the command file. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		int res;
+
+		res = emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL);
+		if (res < 0) {
+			ksft_print_msg("Error %s emiting file %s.\n",
+				       strerror(-res), file->name);
+			goto failure;
+		}
+
+		/* Skip writing data to one file so we can check */
+		/* that it's missing later. */
+		if (i == missing_file_idx)
+			continue;
+
+		res = emit_test_file_data(mount_dir, file);
+		if (res) {
+			ksft_print_msg("Error %s emiting data for %s.\n",
+				       strerror(-res), file->name);
+			goto failure;
+		}
+	}
+
+	/* Validate contents of the FS */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (i == missing_file_idx) {
+			/* No data has been written to this file. */
+			/* Check for read error; */
+			uint8_t buf;
+			char *filename =
+				concat_file_name(mount_dir, file->name);
+			int res = read_test_file(&buf, 1, filename, 0);
+
+			free(filename);
+			if (res > 0) {
+				ksft_print_msg(
+					"Data present, even though never writtern.\n");
+				goto failure;
+			}
+			if (res != -ETIME) {
+				ksft_print_msg("Wrong error code: %d.\n", res);
+				goto failure;
+			}
+		} else {
+			if (validate_test_file_content(mount_dir, file) < 0)
+				goto failure;
+		}
+	}
+
+	close(cmd_fd);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static int concurrent_reads_and_writes_test(const char *mount_dir)
+{
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	/* Validate each file from that many child processes. */
+	const int child_multiplier = 3;
+	int cmd_fd = -1;
+	char *backing_dir;
+	int status;
+	int i;
+	pid_t producer_pid;
+	pid_t *child_pids = alloca(child_multiplier * file_num * sizeof(pid_t));
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file. */
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+	free(backing_dir);
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Tell FS about the files, without actually providing the data. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		int res;
+
+		res = emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL);
+		if (res)
+			goto failure;
+	}
+
+	/* Start child processes acessing data in the files */
+	for (i = 0; i < file_num * child_multiplier; i++) {
+		struct test_file *file = &test.files[i / child_multiplier];
+		pid_t child_pid = flush_and_fork();
+
+		if (child_pid == 0) {
+			/* This is a child process, do the data validation. */
+			int ret = validate_test_file_content_with_seed(
+				mount_dir, file, i);
+			if (ret >= 0) {
+				/* Zero exit status if data is valid. */
+				exit(0);
+			}
+
+			/* Positive status if validation error found. */
+			exit(-ret);
+		} else if (child_pid > 0) {
+			child_pids[i] = child_pid;
+		} else {
+			print_error("Fork error");
+			goto failure;
+		}
+	}
+
+	producer_pid = flush_and_fork();
+	if (producer_pid == 0) {
+		int ret;
+		/*
+		 * This is a child that should provide data to
+		 * pending reads.
+		 */
+
+		ret = data_producer(mount_dir, &test);
+		exit(-ret);
+	} else {
+		status = wait_for_process(producer_pid);
+		if (status != 0) {
+			ksft_print_msg("Data produces failed. %d(%s) ", status,
+				       strerror(status));
+			goto failure;
+		}
+	}
+
+	/* Check that all children has finished with 0 exit status */
+	for (i = 0; i < file_num * child_multiplier; i++) {
+		struct test_file *file = &test.files[i / child_multiplier];
+
+		status = wait_for_process(child_pids[i]);
+		if (status != 0) {
+			ksft_print_msg(
+				"Validation for the file %s failed with code %d (%s)\n",
+				file->name, status, strerror(status));
+			goto failure;
+		}
+	}
+
+	/* Check that there are no pending reads left */
+	{
+		struct incfs_pending_read_info prs[1] = {};
+		int timeout = 0;
+		int read_count = wait_for_pending_reads(cmd_fd, timeout, prs,
+							ARRAY_SIZE(prs));
+
+		if (read_count) {
+			ksft_print_msg(
+				"Pending reads pending when all data written\n");
+			goto failure;
+		}
+	}
+
+	close(cmd_fd);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static int work_after_remount_test(const char *mount_dir)
+{
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	const int file_num_stage1 = file_num / 2;
+	const int file_num_stage2 = file_num;
+	char *backing_dir = NULL;
+	int i = 0;
+	int cmd_fd = -1;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file. */
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Write first half of the data into the command file. (stage 1) */
+	for (i = 0; i < file_num_stage1; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL))
+			goto failure;
+
+		if (emit_test_file_data(mount_dir, file))
+			goto failure;
+	}
+
+	/* Unmount and mount again, to see that data is persistent. */
+	close(cmd_fd);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Write the second half of the data into the command file. (stage 2) */
+	for (; i < file_num_stage2; i++) {
+		struct test_file *file = &test.files[i];
+		int res = emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL);
+
+		if (res)
+			goto failure;
+
+		if (emit_test_file_data(mount_dir, file))
+			goto failure;
+	}
+
+	/* Validate contents of the FS */
+	for (i = 0; i < file_num_stage2; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (validate_test_file_content(mount_dir, file) < 0)
+			goto failure;
+	}
+
+	/* Delete all files */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *filename = concat_file_name(mount_dir, file->name);
+		char *filename_in_index = get_index_filename(mount_dir,
+							file->id);
+
+		if (access(filename, F_OK) != 0) {
+			ksft_print_msg("File %s is not visible.\n", filename);
+			goto failure;
+		}
+
+		if (access(filename_in_index, F_OK) != 0) {
+			ksft_print_msg("File %s is not visible.\n",
+				filename_in_index);
+			goto failure;
+		}
+
+		unlink(filename);
+
+		if (access(filename, F_OK) != -1) {
+			ksft_print_msg("File %s is still present.\n", filename);
+			goto failure;
+		}
+
+		if (access(filename_in_index, F_OK) != -1) {
+			ksft_print_msg("File %s is still present.\n",
+				filename_in_index);
+			goto failure;
+		}
+		free(filename);
+		free(filename_in_index);
+	}
+
+	/* Unmount and mount again, to see that deleted files stay deleted. */
+	close(cmd_fd);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Validate all deleted files are still deleted. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *filename = concat_file_name(mount_dir, file->name);
+
+		if (access(filename, F_OK) != -1) {
+			ksft_print_msg("File %s is still visible.\n", filename);
+			goto failure;
+		}
+		free(filename);
+	}
+
+	/* Final unmount */
+	close(cmd_fd);
+	free(backing_dir);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	free(backing_dir);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static int attribute_test(const char *mount_dir)
+{
+	char file_attr[] = "metadata123123";
+	char attr_buf[INCFS_MAX_FILE_ATTR_SIZE] = {};
+	int cmd_fd = -1;
+	incfs_uuid_t file_id;
+	int attr_res = 0;
+	char *backing_dir;
+
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file. */
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	if (emit_file(cmd_fd, NULL, "file", &file_id, 12, file_attr))
+		goto failure;
+
+	/* Test attribute values */
+	attr_res = get_file_attr(mount_dir, file_id, attr_buf,
+		ARRAY_SIZE(attr_buf));
+	if (attr_res != strlen(file_attr)) {
+		ksft_print_msg("Get file attr error: %d\n", attr_res);
+		goto failure;
+	}
+	if (strcmp(attr_buf, file_attr) != 0) {
+		ksft_print_msg("Incorrect file attr value: '%s'", attr_buf);
+		goto failure;
+	}
+
+	/* Unmount and mount again, to see that attributes are persistent. */
+	close(cmd_fd);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Test attribute values again after remount*/
+	attr_res = get_file_attr(mount_dir, file_id, attr_buf,
+		ARRAY_SIZE(attr_buf));
+	if (attr_res != strlen(file_attr)) {
+		ksft_print_msg("Get dir attr error: %d\n", attr_res);
+		goto failure;
+	}
+	if (strcmp(attr_buf, file_attr) != 0) {
+		ksft_print_msg("Incorrect file attr value: '%s'", attr_buf);
+		goto failure;
+	}
+
+	/* Final unmount */
+	close(cmd_fd);
+	free(backing_dir);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	free(backing_dir);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static int child_procs_waiting_for_data_test(const char *mount_dir)
+{
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	int cmd_fd = -1;
+	int i;
+	pid_t *child_pids = alloca(file_num * sizeof(pid_t));
+	char *backing_dir;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file.  (10s wait time) */
+	if (mount_fs(mount_dir, backing_dir, 10000) != 0)
+		goto failure;
+
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Tell FS about the files, without actually providing the data. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL);
+	}
+
+	/* Start child processes acessing data in the files */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		pid_t child_pid = flush_and_fork();
+
+		if (child_pid == 0) {
+			/* This is a child process, do the data validation. */
+			int ret = validate_test_file_content(mount_dir, file);
+
+			if (ret >= 0) {
+				/* Zero exit status if data is valid. */
+				exit(0);
+			}
+
+			/* Positive status if validation error found. */
+			exit(-ret);
+		} else if (child_pid > 0) {
+			child_pids[i] = child_pid;
+		} else {
+			print_error("Fork error");
+			goto failure;
+		}
+	}
+
+	/* Write test data into the command file. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (emit_test_file_data(mount_dir, file))
+			goto failure;
+	}
+
+	/* Check that all children has finished with 0 exit status */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		int status = wait_for_process(child_pids[i]);
+
+		if (status != 0) {
+			ksft_print_msg(
+				"Validation for the file %s failed with code %d (%s)\n",
+				file->name, status, strerror(status));
+			goto failure;
+		}
+	}
+
+	close(cmd_fd);
+	free(backing_dir);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	free(backing_dir);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static int multiple_providers_test(const char *mount_dir)
+{
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	const int producer_count = 5;
+	int cmd_fd = -1;
+	int status;
+	int i;
+	pid_t *producer_pids = alloca(producer_count * sizeof(pid_t));
+	char *backing_dir;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file.  (10s wait time) */
+	if (mount_fs_opt(mount_dir, backing_dir,
+			 "read_timeout_ms=10000,report_uid", false) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Tell FS about the files, without actually providing the data. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL) < 0)
+			goto failure;
+	}
+
+	/* Start producer processes */
+	for (i = 0; i < producer_count; i++) {
+		pid_t producer_pid = flush_and_fork();
+
+		if (producer_pid == 0) {
+			int ret;
+			/*
+			 * This is a child that should provide data to
+			 * pending reads.
+			 */
+
+			ret = data_producer2(mount_dir, &test);
+			exit(-ret);
+		} else if (producer_pid > 0) {
+			producer_pids[i] = producer_pid;
+		} else {
+			print_error("Fork error");
+			goto failure;
+		}
+	}
+
+	/* Validate FS content */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		char *filename = concat_file_name(mount_dir, file->name);
+		loff_t read_result = read_whole_file(filename);
+
+		free(filename);
+		if (read_result != file->size) {
+			ksft_print_msg(
+				"Error validating file %s. Result: %ld\n",
+				file->name, read_result);
+			goto failure;
+		}
+	}
+
+	/* Check that all producers has finished with 0 exit status */
+	for (i = 0; i < producer_count; i++) {
+		status = wait_for_process(producer_pids[i]);
+		if (status != 0) {
+			ksft_print_msg("Producer %d failed with code (%s)\n", i,
+				       strerror(status));
+			goto failure;
+		}
+	}
+
+	close(cmd_fd);
+	free(backing_dir);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	free(backing_dir);
+	umount(mount_dir);
+	return TEST_FAILURE;
+}
+
+static int validate_hash_tree(const char *mount_dir, struct test_file *file)
+{
+	int result = TEST_FAILURE;
+	char *filename = NULL;
+	int fd = -1;
+	unsigned char *buf;
+	int i, err;
+
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TEST(buf = malloc(INCFS_DATA_FILE_BLOCK_SIZE * 8), buf);
+
+	for (i = 0; i < file->mtree_block_count; ) {
+		int blocks_to_read = i % 7 + 1;
+		struct fsverity_read_metadata_arg args = {
+			.metadata_type = FS_VERITY_METADATA_TYPE_MERKLE_TREE,
+			.offset = i * INCFS_DATA_FILE_BLOCK_SIZE,
+			.length = blocks_to_read * INCFS_DATA_FILE_BLOCK_SIZE,
+			.buf_ptr = ptr_to_u64(buf),
+		};
+
+		TEST(err = ioctl(fd, FS_IOC_READ_VERITY_METADATA, &args),
+		     err == min(args.length, (file->mtree_block_count - i) *
+					     INCFS_DATA_FILE_BLOCK_SIZE));
+		TESTEQUAL(memcmp(buf, file->mtree[i].data, err), 0);
+
+		i += blocks_to_read;
+	}
+
+	result = TEST_SUCCESS;
+
+out:
+	free(buf);
+	close(fd);
+	free(filename);
+	return result;
+}
+
+static int hash_tree_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir;
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	const int corrupted_file_idx = 5;
+	int i = 0;
+	int cmd_fd = -1;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	/* Mount FS and release the backing file. */
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Write hashes and data. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+		int res;
+
+		build_mtree(file);
+		res = crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+				       file->size, file->root_hash,
+				       file->sig.add_data);
+
+		if (i == corrupted_file_idx) {
+			/* Corrupt third blocks hash */
+			file->mtree[0].data[2 * SHA256_DIGEST_SIZE] ^= 0xff;
+		}
+		if (emit_test_file_data(mount_dir, file))
+			goto failure;
+
+		res = load_hash_tree(mount_dir, file);
+		if (res) {
+			ksft_print_msg("Can't load hashes for %s. error: %s\n",
+				file->name, strerror(-res));
+			goto failure;
+		}
+	}
+
+	/* Validate data */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (i == corrupted_file_idx) {
+			uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+			char *filename =
+				concat_file_name(mount_dir, file->name);
+			int res;
+
+			res = read_test_file(data, INCFS_DATA_FILE_BLOCK_SIZE,
+					     filename, 2);
+			free(filename);
+			if (res != -EBADMSG) {
+				ksft_print_msg("Hash violation missed1. %d\n",
+					       res);
+				goto failure;
+			}
+		} else if (validate_test_file_content(mount_dir, file) < 0)
+			goto failure;
+		else if (validate_hash_tree(mount_dir, file) < 0)
+			goto failure;
+	}
+
+	/* Unmount and mount again, to that hashes are persistent. */
+	close(cmd_fd);
+	cmd_fd = -1;
+	if (umount(mount_dir) != 0) {
+		print_error("Can't unmout FS");
+		goto failure;
+	}
+	if (mount_fs(mount_dir, backing_dir, 50) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Validate data again */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (i == corrupted_file_idx) {
+			uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+			char *filename =
+				concat_file_name(mount_dir, file->name);
+			int res;
+
+			res = read_test_file(data, INCFS_DATA_FILE_BLOCK_SIZE,
+					     filename, 2);
+			free(filename);
+			if (res != -EBADMSG) {
+				ksft_print_msg("Hash violation missed2. %d\n",
+					       res);
+				goto failure;
+			}
+		} else if (validate_test_file_content(mount_dir, file) < 0)
+			goto failure;
+	}
+	result = TEST_SUCCESS;
+
+failure:
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		free(file->mtree);
+	}
+
+	close(cmd_fd);
+	free(backing_dir);
+	umount(mount_dir);
+	return result;
+}
+
+enum expected_log { FULL_LOG, NO_LOG, PARTIAL_LOG };
+
+static int validate_logs(const char *mount_dir, int log_fd,
+			 struct test_file *file,
+			 enum expected_log expected_log,
+			 bool report_uid, bool expect_data)
+{
+	int result = TEST_FAILURE;
+	uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+	struct incfs_pending_read_info prs[2048] = {};
+	struct incfs_pending_read_info2 prs2[2048] = {};
+	struct incfs_pending_read_info *previous_record = NULL;
+	int prs_size = ARRAY_SIZE(prs);
+	int block_count = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	int expected_read_count, read_count, block_index, read_index;
+	char *filename = NULL;
+	int fd = -1;
+
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+	if (block_count > prs_size)
+		block_count = prs_size;
+	expected_read_count = block_count;
+
+	for (block_index = 0; block_index < block_count; block_index++) {
+		int result = pread(fd, data, sizeof(data),
+			    INCFS_DATA_FILE_BLOCK_SIZE * block_index);
+
+		/* Make some read logs of type SAME_FILE_NEXT_BLOCK */
+		if (block_index % 100 == 10)
+			usleep(20000);
+
+		/* Skip some blocks to make logs of type SAME_FILE */
+		if (block_index % 10 == 5) {
+			++block_index;
+			--expected_read_count;
+		}
+
+		if (expect_data)
+			TESTCOND(result > 0);
+
+		if (!expect_data)
+			TESTEQUAL(result, -1);
+	}
+
+	if (report_uid)
+		read_count = wait_for_pending_reads2(log_fd,
+				expected_log == NO_LOG ? 10 : 0,
+				prs2, prs_size);
+	else
+		read_count = wait_for_pending_reads(log_fd,
+				expected_log == NO_LOG ? 10 : 0,
+				prs, prs_size);
+
+	if (expected_log == NO_LOG)
+		TESTEQUAL(read_count, 0);
+
+	if (expected_log == PARTIAL_LOG)
+		TESTCOND(read_count > 0 &&
+			 read_count <= expected_read_count);
+
+	if (expected_log == FULL_LOG)
+		TESTEQUAL(read_count, expected_read_count);
+
+	/* If read less than expected, advance block_index appropriately */
+	for (block_index = 0, read_index = 0;
+	     read_index < expected_read_count - read_count;
+	     block_index++, read_index++)
+		if (block_index % 10 == 5)
+			++block_index;
+
+	for (read_index = 0; read_index < read_count;
+	     block_index++, read_index++) {
+		struct incfs_pending_read_info *record = report_uid ?
+			(struct incfs_pending_read_info *) &prs2[read_index] :
+			&prs[read_index];
+
+		TESTCOND(same_id(&record->file_id, &file->id));
+		TESTEQUAL(record->block_index, block_index);
+		TESTNE(record->timestamp_us, 0);
+		if (previous_record)
+			TESTEQUAL(record->serial_number,
+				  previous_record->serial_number + 1);
+
+		previous_record = record;
+		if (block_index % 10 == 5)
+			++block_index;
+	}
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	free(filename);
+	return result;
+}
+
+static int read_log_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	int i = 0;
+	int cmd_fd = -1, log_fd = -1;
+	char *backing_dir = NULL;
+
+	/* Create files */
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+			       "readahead=0,report_uid,read_timeout_ms=0",
+				 false), 0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+				    file->size, NULL), 0);
+	}
+	close(cmd_fd);
+	cmd_fd = -1;
+
+	/* Validate logs */
+	TEST(log_fd = open_log_file(mount_dir), log_fd != -1);
+	for (i = 0; i < file_num; i++)
+		TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+					FULL_LOG, true, false), 0);
+
+	/* Unmount and mount again without report_uid */
+	close(log_fd);
+	log_fd = -1;
+	TESTEQUAL(umount(mount_dir), 0);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+			       "readahead=0,read_timeout_ms=0", false), 0);
+
+	TEST(log_fd = open_log_file(mount_dir), log_fd != -1);
+	for (i = 0; i < file_num; i++)
+		TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+					FULL_LOG, false, false), 0);
+
+	/* No read log to make sure poll doesn't crash */
+	close(log_fd);
+	log_fd = -1;
+	TESTEQUAL(umount(mount_dir), 0);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+			       "readahead=0,rlog_pages=0,read_timeout_ms=0",
+			       false), 0);
+
+	TEST(log_fd = open_log_file(mount_dir), log_fd != -1);
+	for (i = 0; i < file_num; i++)
+		TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+					NO_LOG, false, false), 0);
+
+	/* Remount and check that logs start working again */
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+			       "readahead=0,rlog_pages=1,read_timeout_ms=0",
+			       true), 0);
+	for (i = 0; i < file_num; i++)
+		TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+					PARTIAL_LOG, false, false), 0);
+
+	/* Remount and check that logs continue working */
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+			       "readahead=0,rlog_pages=4,read_timeout_ms=0",
+			       true), 0);
+	for (i = 0; i < file_num; i++)
+		TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+					FULL_LOG, false, false), 0);
+
+	/* Check logs work with data */
+	for (i = 0; i < file_num; i++) {
+		TESTEQUAL(emit_test_file_data(mount_dir, &test.files[i]), 0);
+		TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+					FULL_LOG, false, true), 0);
+	}
+
+	/* Final unmount */
+	close(log_fd);
+	log_fd = -1;
+	TESTEQUAL(umount(mount_dir), 0);
+
+	result = TEST_SUCCESS;
+out:
+	close(cmd_fd);
+	close(log_fd);
+	free(backing_dir);
+	umount(mount_dir);
+	return result;
+}
+
+static int emit_partial_test_file_data(const char *mount_dir,
+				       struct test_file *file)
+{
+	int i, j;
+	int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	int *block_indexes = NULL;
+	int result = 0;
+	int blocks_written = 0;
+	int bw_fd = -1;
+	char buffer[20];
+	struct pollfd pollfd;
+	long blocks_written_total, blocks_written_new_total;
+
+	if (file->size == 0)
+		return 0;
+
+	bw_fd = open_blocks_written_file(mount_dir);
+	if (bw_fd == -1)
+		return -errno;
+
+	result = read(bw_fd, buffer, sizeof(buffer));
+	if (result <= 0) {
+		result = -EIO;
+		goto out;
+	}
+
+	buffer[result] = 0;
+	blocks_written_total = strtol(buffer, NULL, 10);
+	result = 0;
+
+	pollfd = (struct pollfd) {
+		.fd = bw_fd,
+		.events = POLLIN,
+	};
+
+	result = poll(&pollfd, 1, 0);
+	if (result) {
+		result = -EIO;
+		goto out;
+	}
+
+	/* Emit 2 blocks, skip 2 blocks etc*/
+	block_indexes = calloc(block_cnt, sizeof(*block_indexes));
+	for (i = 0, j = 0; i < block_cnt; ++i)
+		if ((i & 2) == 0) {
+			block_indexes[j] = i;
+			++j;
+		}
+
+	for (i = 0; i < j; i += blocks_written) {
+		blocks_written = emit_test_blocks(mount_dir, file,
+						  block_indexes + i, j - i);
+		if (blocks_written < 0) {
+			result = blocks_written;
+			goto out;
+		}
+		if (blocks_written == 0) {
+			result = -EIO;
+			goto out;
+		}
+
+		result = poll(&pollfd, 1, 0);
+		if (result != 1 || pollfd.revents != POLLIN) {
+			result = -EIO;
+			goto out;
+		}
+
+		result = read(bw_fd, buffer, sizeof(buffer));
+		buffer[result] = 0;
+		blocks_written_new_total = strtol(buffer, NULL, 10);
+
+		if (blocks_written_new_total - blocks_written_total
+		    != blocks_written) {
+			result = -EIO;
+			goto out;
+		}
+
+		blocks_written_total = blocks_written_new_total;
+		result = 0;
+	}
+out:
+	free(block_indexes);
+	close(bw_fd);
+	return result;
+}
+
+static int validate_ranges(const char *mount_dir, struct test_file *file)
+{
+	int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	char *filename = concat_file_name(mount_dir, file->name);
+	int fd;
+	struct incfs_filled_range ranges[128];
+	struct incfs_get_filled_blocks_args fba = {
+		.range_buffer = ptr_to_u64(ranges),
+		.range_buffer_size = sizeof(ranges),
+	};
+	int error = TEST_SUCCESS;
+	int i;
+	int range_cnt;
+	int cmd_fd = -1;
+	struct incfs_permit_fill permit_fill;
+
+	fd = open(filename, O_RDONLY | O_CLOEXEC);
+	free(filename);
+	if (fd <= 0)
+		return TEST_FAILURE;
+
+	error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+	if (error != -1 || errno != EPERM) {
+		ksft_print_msg("INCFS_IOC_GET_FILLED_BLOCKS not blocked\n");
+		error = -EPERM;
+		goto out;
+	}
+
+	cmd_fd = open_commands_file(mount_dir);
+	permit_fill.file_descriptor = fd;
+	if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+		print_error("INCFS_IOC_PERMIT_FILL failed");
+		return -EPERM;
+		goto out;
+	}
+
+	error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+	if (error && errno != ERANGE)
+		goto out;
+
+	if (error && errno == ERANGE && block_cnt < 509)
+		goto out;
+
+	if (!error && block_cnt >= 509) {
+		error = -ERANGE;
+		goto out;
+	}
+
+	if (fba.total_blocks_out != block_cnt) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	if (fba.data_blocks_out != block_cnt) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	range_cnt = (block_cnt + 3) / 4;
+	if (range_cnt > 128)
+		range_cnt = 128;
+	if (range_cnt != fba.range_buffer_size_out / sizeof(*ranges)) {
+		error = -ERANGE;
+		goto out;
+	}
+
+	error = TEST_SUCCESS;
+	for (i = 0; i < fba.range_buffer_size_out / sizeof(*ranges) - 1; ++i)
+		if (ranges[i].begin != i * 4 || ranges[i].end != i * 4 + 2) {
+			error = -EINVAL;
+			goto out;
+		}
+
+	if (ranges[i].begin != i * 4 ||
+	    (ranges[i].end != i * 4 + 1 && ranges[i].end != i * 4 + 2)) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	for (i = 0; i < 64; ++i) {
+		fba.start_index = i * 2;
+		fba.end_index = i * 2 + 2;
+		error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+		if (error)
+			goto out;
+
+		if (fba.total_blocks_out != block_cnt) {
+			error = -EINVAL;
+			goto out;
+		}
+
+		if (fba.start_index >= block_cnt) {
+			if (fba.index_out != fba.start_index) {
+				error = -EINVAL;
+				goto out;
+			}
+
+			break;
+		}
+
+		if (i % 2) {
+			if (fba.range_buffer_size_out != 0) {
+				error = -EINVAL;
+				goto out;
+			}
+		} else {
+			if (fba.range_buffer_size_out != sizeof(*ranges)) {
+				error = -EINVAL;
+				goto out;
+			}
+
+			if (ranges[0].begin != i * 2) {
+				error = -EINVAL;
+				goto out;
+			}
+
+			if (ranges[0].end != i * 2 + 1 &&
+			    ranges[0].end != i * 2 + 2) {
+				error = -EINVAL;
+				goto out;
+			}
+		}
+	}
+
+out:
+	close(fd);
+	close(cmd_fd);
+	return error;
+}
+
+static int get_blocks_test(const char *mount_dir)
+{
+	char *backing_dir;
+	int cmd_fd = -1;
+	int i;
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	/* Write data. */
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (emit_file(cmd_fd, NULL, file->name, &file->id, file->size,
+			      NULL))
+			goto failure;
+
+		if (emit_partial_test_file_data(mount_dir, file))
+			goto failure;
+	}
+
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (validate_ranges(mount_dir, file))
+			goto failure;
+
+		/*
+		 * The smallest files are filled completely, so this checks that
+		 * the fast get_filled_blocks path is not causing issues
+		 */
+		if (validate_ranges(mount_dir, file))
+			goto failure;
+	}
+
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return TEST_FAILURE;
+}
+
+static int emit_partial_test_file_hash(const char *mount_dir,
+				       struct test_file *file)
+{
+	int err;
+	int fd;
+	struct incfs_fill_blocks fill_blocks = {
+		.count = 1,
+	};
+	struct incfs_fill_block *fill_block_array =
+		calloc(fill_blocks.count, sizeof(struct incfs_fill_block));
+	uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+
+	if (file->size <= 4096 / 32 * 4096)
+		return 0;
+
+	if (!fill_block_array)
+		return -ENOMEM;
+	fill_blocks.fill_blocks = ptr_to_u64(fill_block_array);
+
+	rnd_buf(data, sizeof(data), 0);
+
+	fill_block_array[0] =
+		(struct incfs_fill_block){ .block_index = 1,
+					   .data_len =
+						   INCFS_DATA_FILE_BLOCK_SIZE,
+					   .data = ptr_to_u64(data),
+					   .flags = INCFS_BLOCK_FLAGS_HASH };
+
+	fd = open_file_by_id(mount_dir, file->id, true);
+	if (fd < 0) {
+		err = errno;
+		goto failure;
+	}
+
+	err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+	close(fd);
+	if (err < fill_blocks.count)
+		err = errno;
+	else
+		err = 0;
+
+failure:
+	free(fill_block_array);
+	return err;
+}
+
+static int validate_hash_ranges(const char *mount_dir, struct test_file *file)
+{
+	int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+	char *filename = concat_file_name(mount_dir, file->name);
+	int fd;
+	struct incfs_filled_range ranges[128];
+	struct incfs_get_filled_blocks_args fba = {
+		.range_buffer = ptr_to_u64(ranges),
+		.range_buffer_size = sizeof(ranges),
+	};
+	int error = TEST_SUCCESS;
+	int file_blocks = (file->size + INCFS_DATA_FILE_BLOCK_SIZE - 1) /
+			  INCFS_DATA_FILE_BLOCK_SIZE;
+	int cmd_fd = -1;
+	struct incfs_permit_fill permit_fill;
+
+	if (file->size <= 4096 / 32 * 4096)
+		return 0;
+
+	fd = open(filename, O_RDONLY | O_CLOEXEC);
+	free(filename);
+	if (fd <= 0)
+		return TEST_FAILURE;
+
+	error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+	if (error != -1 || errno != EPERM) {
+		ksft_print_msg("INCFS_IOC_GET_FILLED_BLOCKS not blocked\n");
+		error = -EPERM;
+		goto out;
+	}
+
+	cmd_fd = open_commands_file(mount_dir);
+	permit_fill.file_descriptor = fd;
+	if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+		print_error("INCFS_IOC_PERMIT_FILL failed");
+		return -EPERM;
+		goto out;
+	}
+
+	error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+	if (error)
+		goto out;
+
+	if (fba.total_blocks_out <= block_cnt) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	if (fba.data_blocks_out != block_cnt) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	if (fba.range_buffer_size_out != sizeof(struct incfs_filled_range)) {
+		error = -EINVAL;
+		goto out;
+	}
+
+	if (ranges[0].begin != file_blocks + 1 ||
+	    ranges[0].end != file_blocks + 2) {
+		error = -EINVAL;
+		goto out;
+	}
+
+out:
+	close(cmd_fd);
+	close(fd);
+	return error;
+}
+
+static int get_hash_blocks_test(const char *mount_dir)
+{
+	char *backing_dir;
+	int cmd_fd = -1;
+	int i;
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, file->root_hash,
+				     file->sig.add_data))
+			goto failure;
+
+		if (emit_partial_test_file_hash(mount_dir, file))
+			goto failure;
+	}
+
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		if (validate_hash_ranges(mount_dir, file))
+			goto failure;
+	}
+
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return TEST_SUCCESS;
+
+failure:
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return TEST_FAILURE;
+}
+
+#define THREE_GB (3LL * 1024 * 1024 * 1024)
+#define FOUR_GB (4LL * 1024 * 1024 * 1024) /* Have 1GB of margin */
+static int large_file_test(const char *mount_dir)
+{
+	char *backing_dir;
+	int cmd_fd = -1;
+	int i;
+	int result = TEST_FAILURE, ret;
+	uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+	int block_count = THREE_GB / INCFS_DATA_FILE_BLOCK_SIZE;
+	struct incfs_fill_block *block_buf =
+		calloc(block_count, sizeof(struct incfs_fill_block));
+	struct incfs_fill_blocks fill_blocks = {
+		.count = block_count,
+		.fill_blocks = ptr_to_u64(block_buf),
+	};
+	incfs_uuid_t id;
+	int fd = -1;
+	struct statvfs svfs;
+	unsigned long long free_disksz;
+
+	ret = statvfs(mount_dir, &svfs);
+	if (ret) {
+		ksft_print_msg("Can't get disk size. Skipping %s...\n", __func__);
+		return TEST_SKIP;
+	}
+
+	free_disksz = (unsigned long long)svfs.f_bavail * svfs.f_bsize;
+
+	if (FOUR_GB > free_disksz) {
+		ksft_print_msg("Not enough free disk space (%lldMB). Skipping %s...\n",
+				free_disksz >> 20, __func__);
+		return TEST_SKIP;
+	}
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	if (emit_file(cmd_fd, NULL, "very_large_file", &id,
+		      (uint64_t)block_count * INCFS_DATA_FILE_BLOCK_SIZE,
+		      NULL) < 0)
+		goto failure;
+
+	for (i = 0; i < block_count; i++) {
+		block_buf[i].compression = COMPRESSION_NONE;
+		block_buf[i].block_index = i;
+		block_buf[i].data_len = INCFS_DATA_FILE_BLOCK_SIZE;
+		block_buf[i].data = ptr_to_u64(data);
+	}
+
+	fd = open_file_by_id(mount_dir, id, true);
+	if (fd < 0)
+		goto failure;
+
+	if (ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks) != block_count)
+		goto failure;
+
+	if (emit_file(cmd_fd, NULL, "very_very_large_file", &id, 1LL << 40,
+		      NULL) < 0)
+		goto failure;
+
+	result = TEST_SUCCESS;
+
+failure:
+	close(fd);
+	close(cmd_fd);
+	unlink("very_large_file");
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int validate_mapped_file(const char *orig_name, const char *name,
+				size_t size, size_t offset)
+{
+	struct stat st;
+	int orig_fd = -1, fd = -1;
+	size_t block;
+	int result = TEST_FAILURE;
+
+	if (stat(name, &st)) {
+		ksft_print_msg("Failed to stat %s with error %s\n",
+			       name, strerror(errno));
+		goto failure;
+	}
+
+	if (size != st.st_size) {
+		ksft_print_msg("Mismatched file sizes for file %s - expected %llu, got %llu\n",
+				   name, size, st.st_size);
+		goto failure;
+	}
+
+	fd = open(name, O_RDONLY | O_CLOEXEC);
+	if (fd == -1) {
+		ksft_print_msg("Failed to open %s with error %s\n", name,
+			       strerror(errno));
+		goto failure;
+	}
+
+	orig_fd = open(orig_name, O_RDONLY | O_CLOEXEC);
+	if (orig_fd == -1) {
+		ksft_print_msg("Failed to open %s with error %s\n", orig_name,
+			       strerror(errno));
+		goto failure;
+	}
+
+	for (block = 0; block < size; block += INCFS_DATA_FILE_BLOCK_SIZE) {
+		uint8_t orig_data[INCFS_DATA_FILE_BLOCK_SIZE];
+		uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+		ssize_t orig_read, mapped_read;
+
+		orig_read = pread(orig_fd, orig_data,
+				 INCFS_DATA_FILE_BLOCK_SIZE, block + offset);
+		mapped_read = pread(fd, data, INCFS_DATA_FILE_BLOCK_SIZE,
+				    block);
+
+		if (orig_read < mapped_read ||
+		    mapped_read != min(size - block,
+				       INCFS_DATA_FILE_BLOCK_SIZE)) {
+			ksft_print_msg("Failed to read enough data: %llu %llu %llu %lld %lld\n",
+				       block, size, offset, orig_read,
+				       mapped_read);
+			goto failure;
+		}
+
+		if (memcmp(orig_data, data, mapped_read)) {
+			ksft_print_msg("Data doesn't match: %llu %llu %llu %lld %lld\n",
+				       block, size, offset, orig_read,
+				       mapped_read);
+			goto failure;
+		}
+	}
+
+	result = TEST_SUCCESS;
+
+failure:
+	close(orig_fd);
+	close(fd);
+	return result;
+}
+
+static int mapped_file_test(const char *mount_dir)
+{
+	char *backing_dir;
+	int result = TEST_FAILURE;
+	int cmd_fd = -1;
+	int i;
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+
+	backing_dir = create_backing_dir(mount_dir);
+	if (!backing_dir)
+		goto failure;
+
+	if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+		goto failure;
+
+	cmd_fd = open_commands_file(mount_dir);
+	if (cmd_fd < 0)
+		goto failure;
+
+	for (i = 0; i < file_num; ++i) {
+		struct test_file *file = &test.files[i];
+		size_t blocks = file->size / INCFS_DATA_FILE_BLOCK_SIZE;
+		size_t mapped_offset = blocks / 4 *
+			INCFS_DATA_FILE_BLOCK_SIZE;
+		size_t mapped_size = file->size / 4 * 3 - mapped_offset;
+		struct incfs_create_mapped_file_args mfa;
+		char mapped_file_name[FILENAME_MAX];
+		char orig_file_path[PATH_MAX];
+		char mapped_file_path[PATH_MAX];
+
+		if (emit_file(cmd_fd, NULL, file->name, &file->id, file->size,
+					NULL) < 0)
+			goto failure;
+
+		if (emit_test_file_data(mount_dir, file))
+			goto failure;
+
+		if (snprintf(mapped_file_name, ARRAY_SIZE(mapped_file_name),
+					"%s.mapped", file->name) < 0)
+			goto failure;
+
+		mfa = (struct incfs_create_mapped_file_args) {
+			.size = mapped_size,
+			.mode = 0664,
+			.file_name = ptr_to_u64(mapped_file_name),
+			.source_file_id = file->id,
+			.source_offset = mapped_offset,
+		};
+
+		result = ioctl(cmd_fd, INCFS_IOC_CREATE_MAPPED_FILE, &mfa);
+		if (result) {
+			ksft_print_msg(
+				"Failed to create mapped file with error %d\n",
+				result);
+			goto failure;
+		}
+
+		result = snprintf(orig_file_path,
+				  ARRAY_SIZE(orig_file_path), "%s/%s",
+				  mount_dir, file->name);
+
+		if (result < 0 || result >= ARRAY_SIZE(mapped_file_path)) {
+			result = TEST_FAILURE;
+			goto failure;
+		}
+
+		result = snprintf(mapped_file_path,
+				  ARRAY_SIZE(mapped_file_path), "%s/%s",
+				  mount_dir, mapped_file_name);
+
+		if (result < 0 || result >= ARRAY_SIZE(mapped_file_path)) {
+			result = TEST_FAILURE;
+			goto failure;
+		}
+
+		result = validate_mapped_file(orig_file_path, mapped_file_path,
+					      mapped_size, mapped_offset);
+		if (result)
+			goto failure;
+	}
+
+failure:
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static const char v1_file[] = {
+	/* Header */
+	/* 0x00: Magic number */
+	0x49, 0x4e, 0x43, 0x46, 0x53, 0x00, 0x00, 0x00,
+	/* 0x08: Version */
+	0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x10: Header size */
+	0x38, 0x00,
+	/* 0x12: Block size */
+	0x00, 0x10,
+	/* 0x14: Flags */
+	0x00, 0x00, 0x00, 0x00,
+	/* 0x18: First md offset */
+	0x46, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x20: File size */
+	0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x28: UUID */
+	0x8c, 0x7d, 0xd9, 0x22, 0xad, 0x47, 0x49, 0x4f,
+	0xc0, 0x2c, 0x38, 0x8e, 0x12, 0xc0, 0x0e, 0xac,
+
+	/* 0x38: Attribute */
+	0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61,
+	0x31, 0x32, 0x33, 0x31, 0x32, 0x33,
+
+	/* Attribute md record */
+	/* 0x46: Type */
+	0x02,
+	/* 0x47: Size */
+	0x25, 0x00,
+	/* 0x49: CRC */
+	0x9a, 0xef, 0xef, 0x72,
+	/* 0x4d: Next md offset */
+	0x75, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x55: Prev md offset */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x5d: fa_offset */
+	0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x65: fa_size */
+	0x0e, 0x00,
+	/* 0x67: fa_crc */
+	0xfb, 0x5e, 0x72, 0x89,
+
+	/* Blockmap table */
+	/* 0x6b: First 10-byte entry */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+	/* Blockmap md record */
+	/* 0x75: Type */
+	0x01,
+	/* 0x76: Size */
+	0x23, 0x00,
+	/* 0x78: CRC */
+	0x74, 0x45, 0xd3, 0xb9,
+	/* 0x7c: Next md offset */
+	0x00, 0x00, 0x00, 0x00,	0x00, 0x00, 0x00, 0x00,
+	/* 0x84: Prev md offset */
+	0x46, 0x00, 0x00, 0x00,	0x00, 0x00, 0x00, 0x00,
+	/* 0x8c: blockmap offset */
+	0x6b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x94: blockmap count */
+	0x01, 0x00, 0x00, 0x00,
+};
+
+static int compatibility_test(const char *mount_dir)
+{
+	static const char *name = "file";
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	char *filename = NULL;
+	int fd = -1;
+	uint64_t size = 0x0c;
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TEST(filename = concat_file_name(backing_dir, name), filename);
+	TEST(fd = open(filename, O_CREAT | O_WRONLY | O_CLOEXEC, 0777),
+	     fd != -1);
+	TESTEQUAL(write(fd, v1_file, sizeof(v1_file)), sizeof(v1_file));
+	TESTEQUAL(fsetxattr(fd, INCFS_XATTR_SIZE_NAME, &size, sizeof(size), 0),
+		  0);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 50), 0);
+	free(filename);
+	TEST(filename = concat_file_name(mount_dir, name), filename);
+	close(fd);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	umount(mount_dir);
+	free(backing_dir);
+	free(filename);
+	return result;
+}
+
+static int zero_blocks_written_count(int fd, uint32_t data_blocks_written,
+				     uint32_t hash_blocks_written)
+{
+	int test_result = TEST_FAILURE;
+	uint64_t offset;
+	uint8_t type;
+	uint32_t bw;
+
+	/* Get first md record */
+	TESTEQUAL(pread(fd, &offset, sizeof(offset), 24), sizeof(offset));
+
+	/* Find status md record */
+	for (;;) {
+		TESTNE(offset, 0);
+		TESTEQUAL(pread(fd, &type, sizeof(type), le64_to_cpu(offset)),
+			  sizeof(type));
+		if (type == 4)
+			break;
+		TESTEQUAL(pread(fd, &offset, sizeof(offset),
+				le64_to_cpu(offset) + 7),
+			  sizeof(offset));
+	}
+
+	/* Read blocks_written */
+	offset = le64_to_cpu(offset);
+	TESTEQUAL(pread(fd, &bw, sizeof(bw), offset + 23), sizeof(bw));
+	TESTEQUAL(le32_to_cpu(bw), data_blocks_written);
+	TESTEQUAL(pread(fd, &bw, sizeof(bw), offset + 27), sizeof(bw));
+	TESTEQUAL(le32_to_cpu(bw), hash_blocks_written);
+
+	/* Write out zero */
+	bw = 0;
+	TESTEQUAL(pwrite(fd, &bw, sizeof(bw), offset + 23), sizeof(bw));
+	TESTEQUAL(pwrite(fd, &bw, sizeof(bw), offset + 27), sizeof(bw));
+
+	test_result = TEST_SUCCESS;
+out:
+	return test_result;
+}
+
+static int validate_block_count(const char *mount_dir, const char *backing_dir,
+				struct test_file *file,
+				int total_data_blocks, int filled_data_blocks,
+				int total_hash_blocks, int filled_hash_blocks)
+{
+	char *filename = NULL;
+	char *backing_filename = NULL;
+	int fd = -1;
+	struct incfs_get_block_count_args bca = {};
+	int test_result = TEST_FAILURE;
+	struct incfs_filled_range ranges[128];
+	struct incfs_get_filled_blocks_args fba = {
+		.range_buffer = ptr_to_u64(ranges),
+		.range_buffer_size = sizeof(ranges),
+	};
+	int cmd_fd = -1;
+	struct incfs_permit_fill permit_fill;
+
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TEST(backing_filename = concat_file_name(backing_dir, file->name),
+	     backing_filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+	TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+	TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+	TESTEQUAL(bca.filled_data_blocks_out, filled_data_blocks);
+	TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+	TESTEQUAL(bca.filled_hash_blocks_out, filled_hash_blocks);
+
+	close(fd);
+	TESTEQUAL(umount(mount_dir), 0);
+	TEST(fd = open(backing_filename, O_RDWR | O_CLOEXEC), fd != -1);
+	TESTEQUAL(zero_blocks_written_count(fd, filled_data_blocks,
+					    filled_hash_blocks),
+		  TEST_SUCCESS);
+	close(fd);
+	fd = -1;
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+		  0);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+	TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+	TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+	TESTEQUAL(bca.filled_data_blocks_out, 0);
+	TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+	TESTEQUAL(bca.filled_hash_blocks_out, 0);
+
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	permit_fill.file_descriptor = fd;
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill), 0);
+	do {
+		ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+		fba.start_index = fba.index_out + 1;
+	} while (fba.index_out < fba.total_blocks_out);
+
+	TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+	TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+	TESTEQUAL(bca.filled_data_blocks_out, filled_data_blocks);
+	TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+	TESTEQUAL(bca.filled_hash_blocks_out, filled_hash_blocks);
+
+	test_result = TEST_SUCCESS;
+out:
+	close(cmd_fd);
+	close(fd);
+	free(filename);
+	free(backing_filename);
+	return test_result;
+}
+
+
+
+static int validate_data_block_count(const char *mount_dir,
+				     const char *backing_dir,
+				     struct test_file *file)
+{
+	const int total_data_blocks = 1 + (file->size - 1) /
+						INCFS_DATA_FILE_BLOCK_SIZE;
+	const int filled_data_blocks = (total_data_blocks + 1) / 2;
+
+	int test_result = TEST_FAILURE;
+	char *filename = NULL;
+	char *incomplete_filename = NULL;
+	struct stat stat_buf_incomplete, stat_buf_file;
+	int fd = -1;
+	struct incfs_get_block_count_args bca = {};
+	int i;
+
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TEST(incomplete_filename = get_incomplete_filename(mount_dir, file->id),
+	     incomplete_filename);
+
+	TESTEQUAL(stat(filename, &stat_buf_file), 0);
+	TESTEQUAL(stat(incomplete_filename, &stat_buf_incomplete), 0);
+	TESTEQUAL(stat_buf_file.st_ino, stat_buf_incomplete.st_ino);
+	TESTEQUAL(stat_buf_file.st_nlink, 3);
+
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+	TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+	TESTEQUAL(bca.filled_data_blocks_out, 0);
+	TESTEQUAL(bca.total_hash_blocks_out, 0);
+	TESTEQUAL(bca.filled_hash_blocks_out, 0);
+
+	for (i = 0; i < total_data_blocks; i += 2)
+		TESTEQUAL(emit_test_block(mount_dir, file, i), 0);
+
+	TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+	TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+	TESTEQUAL(bca.filled_data_blocks_out, filled_data_blocks);
+	TESTEQUAL(bca.total_hash_blocks_out, 0);
+	TESTEQUAL(bca.filled_hash_blocks_out, 0);
+	close(fd);
+	fd = -1;
+
+	TESTEQUAL(validate_block_count(mount_dir, backing_dir, file,
+				       total_data_blocks, filled_data_blocks,
+				       0, 0),
+		  0);
+
+	for (i = 1; i < total_data_blocks; i += 2)
+		TESTEQUAL(emit_test_block(mount_dir, file, i), 0);
+
+	TESTEQUAL(stat(incomplete_filename, &stat_buf_incomplete), -1);
+	TESTEQUAL(errno, ENOENT);
+
+	test_result = TEST_SUCCESS;
+out:
+	close(fd);
+	free(incomplete_filename);
+	free(filename);
+	return test_result;
+}
+
+static int data_block_count_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir;
+	int cmd_fd = -1;
+	int i;
+	struct test_files_set test = get_test_files_set();
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+		  0);
+
+	for (i = 0; i < test.files_count; ++i) {
+		struct test_file *file = &test.files[i];
+
+		TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+		TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+				    file->size,	NULL),
+			  0);
+		close(cmd_fd);
+		cmd_fd = -1;
+
+		TESTEQUAL(validate_data_block_count(mount_dir, backing_dir,
+						    file),
+			  0);
+	}
+
+	result = TEST_SUCCESS;
+out:
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int validate_hash_block_count(const char *mount_dir,
+				     const char *backing_dir,
+				     struct test_file *file)
+{
+	const int digest_size = SHA256_DIGEST_SIZE;
+	const int hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+	const int total_data_blocks = 1 + (file->size - 1) /
+					INCFS_DATA_FILE_BLOCK_SIZE;
+
+	int result = TEST_FAILURE;
+	int hash_layer = total_data_blocks;
+	int total_hash_blocks = 0;
+	int filled_hash_blocks;
+	char *filename = NULL;
+	int fd = -1;
+	struct incfs_get_block_count_args bca = {};
+
+	while (hash_layer > 1) {
+		hash_layer = (hash_layer + hash_per_block - 1) / hash_per_block;
+		total_hash_blocks += hash_layer;
+	}
+	filled_hash_blocks = total_hash_blocks > 1 ? 1 : 0;
+
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+	TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+	TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+	TESTEQUAL(bca.filled_data_blocks_out, 0);
+	TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+	TESTEQUAL(bca.filled_hash_blocks_out, 0);
+
+	TESTEQUAL(emit_partial_test_file_hash(mount_dir, file), 0);
+
+	TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+	TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+	TESTEQUAL(bca.filled_data_blocks_out, 0);
+	TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+	TESTEQUAL(bca.filled_hash_blocks_out, filled_hash_blocks);
+	close(fd);
+	fd = -1;
+
+	if (filled_hash_blocks)
+		TESTEQUAL(validate_block_count(mount_dir, backing_dir, file,
+				       total_data_blocks, 0,
+				       total_hash_blocks, filled_hash_blocks),
+		  0);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	free(filename);
+	return result;
+}
+
+static int hash_block_count_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir;
+	int cmd_fd = -1;
+	int i;
+	struct test_files_set test = get_test_files_set();
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+		  0);
+
+	for (i = 0; i < test.files_count; i++) {
+		struct test_file *file = &test.files[i];
+
+		TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+		TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, file->root_hash,
+				     file->sig.add_data),
+			  0);
+		close(cmd_fd);
+		cmd_fd = -1;
+
+		TESTEQUAL(validate_hash_block_count(mount_dir, backing_dir,
+						    &test.files[i]),
+			  0);
+	}
+
+	result = TEST_SUCCESS;
+out:
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int is_close(struct timespec *start, int expected_ms)
+{
+	const int allowed_variance = 100;
+	int result = TEST_FAILURE;
+	struct timespec finish;
+	int diff;
+
+	TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &finish), 0);
+	diff = (finish.tv_sec - start->tv_sec) * 1000 +
+		(finish.tv_nsec - start->tv_nsec) / 1000000;
+
+	TESTCOND(diff >= expected_ms - allowed_variance);
+	TESTCOND(diff <= expected_ms + allowed_variance);
+	result = TEST_SUCCESS;
+out:
+	return result;
+}
+
+static int per_uid_read_timeouts_test(const char *mount_dir)
+{
+	struct test_file file = {
+		.name = "file",
+		.size = 16 * INCFS_DATA_FILE_BLOCK_SIZE
+	};
+
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	int pid = -1;
+	int cmd_fd = -1;
+	char *filename = NULL;
+	int fd = -1;
+	struct timespec start;
+	char buffer[4096];
+	struct incfs_per_uid_read_timeouts purt_get[1];
+	struct incfs_get_read_timeouts_args grt = {
+		ptr_to_u64(purt_get),
+		sizeof(purt_get)
+	};
+	struct incfs_per_uid_read_timeouts purt_set[] = {
+		{
+			.uid = 0,
+			.min_time_us = 1000000,
+			.min_pending_time_us = 2000000,
+			.max_pending_time_us = 3000000,
+		},
+	};
+	struct incfs_set_read_timeouts_args srt = {
+		ptr_to_u64(purt_set),
+		sizeof(purt_set)
+	};
+	int status;
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+			       "read_timeout_ms=1000,readahead=0", false), 0);
+
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size,
+			    NULL), 0);
+
+	TEST(filename = concat_file_name(mount_dir, file.name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC), 0);
+
+	/* Default mount options read failure is 1000 */
+	TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+	TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+	TESTEQUAL(is_close(&start, 1000), 0);
+
+	grt.timeouts_array_size = 0;
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), 0);
+	TESTEQUAL(grt.timeouts_array_size_out, 0);
+
+	/* Set it to 3000 */
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+	TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+	TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+	TESTEQUAL(is_close(&start, 3000), 0);
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), -1);
+	TESTEQUAL(errno, E2BIG);
+	TESTEQUAL(grt.timeouts_array_size_out, sizeof(purt_get));
+	grt.timeouts_array_size = sizeof(purt_get);
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), 0);
+	TESTEQUAL(grt.timeouts_array_size_out, sizeof(purt_get));
+	TESTEQUAL(purt_get[0].uid, purt_set[0].uid);
+	TESTEQUAL(purt_get[0].min_time_us, purt_set[0].min_time_us);
+	TESTEQUAL(purt_get[0].min_pending_time_us,
+		  purt_set[0].min_pending_time_us);
+	TESTEQUAL(purt_get[0].max_pending_time_us,
+		  purt_set[0].max_pending_time_us);
+
+	/* Still 1000 in UID 2 */
+	TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+	TEST(pid = fork(), pid != -1);
+	if (pid == 0) {
+		TESTEQUAL(setuid(2), 0);
+		TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+		exit(0);
+	}
+	TESTNE(wait(&status), -1);
+	TESTEQUAL(WEXITSTATUS(status), 0);
+	TESTEQUAL(is_close(&start, 1000), 0);
+
+	/* Set it to default */
+	purt_set[0].max_pending_time_us = UINT32_MAX;
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+	TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+	TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+	TESTEQUAL(is_close(&start, 1000), 0);
+
+	/* Test min read time */
+	TESTEQUAL(emit_test_block(mount_dir, &file, 0), 0);
+	TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+	TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), sizeof(buffer));
+	TESTEQUAL(is_close(&start, 1000), 0);
+
+	/* Test min pending time */
+	purt_set[0].uid = 2;
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+	TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+	TEST(pid = fork(), pid != -1);
+	if (pid == 0) {
+		TESTEQUAL(setuid(2), 0);
+		TESTEQUAL(pread(fd, buffer, sizeof(buffer), sizeof(buffer)),
+			  sizeof(buffer));
+		exit(0);
+	}
+	sleep(1);
+	TESTEQUAL(emit_test_block(mount_dir, &file, 1), 0);
+	TESTNE(wait(&status), -1);
+	TESTEQUAL(WEXITSTATUS(status), 0);
+	TESTEQUAL(is_close(&start, 2000), 0);
+
+	/* Clear timeouts */
+	srt.timeouts_array_size = 0;
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+	grt.timeouts_array_size = 0;
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), 0);
+	TESTEQUAL(grt.timeouts_array_size_out, 0);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+
+	if (pid == 0)
+		exit(result);
+
+	free(filename);
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+#define DIRS 3
+static int inotify_test(const char *mount_dir)
+{
+	const char *mapped_file_name = "mapped_name";
+	struct test_file file = {
+		.name = "file",
+		.size = 16 * INCFS_DATA_FILE_BLOCK_SIZE
+	};
+
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL, *index_dir = NULL, *incomplete_dir = NULL;
+	char *file_name = NULL;
+	int cmd_fd = -1;
+	int notify_fd = -1;
+	int wds[DIRS];
+	char buffer[DIRS * (sizeof(struct inotify_event) + NAME_MAX + 1)];
+	char *ptr = buffer;
+	struct inotify_event *event;
+	struct inotify_event *events[DIRS] = {};
+	const char *names[DIRS] = {};
+	int res;
+	char id[sizeof(incfs_uuid_t) * 2 + 1];
+	struct incfs_create_mapped_file_args mfa;
+
+	/* File creation triggers inotify events in .index and .incomplete? */
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TEST(index_dir = concat_file_name(mount_dir, ".index"), index_dir);
+	TEST(incomplete_dir = concat_file_name(mount_dir, ".incomplete"),
+	     incomplete_dir);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 50), 0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	TEST(notify_fd = inotify_init1(IN_NONBLOCK | IN_CLOEXEC),
+	     notify_fd != -1);
+	TEST(wds[0] = inotify_add_watch(notify_fd, mount_dir,
+					IN_CREATE | IN_DELETE),
+	     wds[0] != -1);
+	TEST(wds[1] = inotify_add_watch(notify_fd, index_dir,
+					IN_CREATE | IN_DELETE),
+	     wds[1] != -1);
+	TEST(wds[2] = inotify_add_watch(notify_fd, incomplete_dir,
+					IN_CREATE | IN_DELETE),
+	     wds[2] != -1);
+	TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size,
+			   NULL), 0);
+	TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+
+	while (ptr < buffer + res) {
+		int i;
+
+		event = (struct inotify_event *) ptr;
+		TESTCOND(ptr + sizeof(*event) <= buffer + res);
+		for (i = 0; i < DIRS; ++i)
+			if (event->wd == wds[i]) {
+				TESTEQUAL(events[i], NULL);
+				events[i] = event;
+				ptr += sizeof(*event);
+				names[i] = ptr;
+				ptr += events[i]->len;
+				TESTCOND(ptr <= buffer + res);
+				break;
+			}
+		TESTCOND(i < DIRS);
+	}
+
+	TESTNE(events[0], NULL);
+	TESTNE(events[1], NULL);
+	TESTNE(events[2], NULL);
+
+	bin2hex(id, file.id.bytes, sizeof(incfs_uuid_t));
+
+	TESTEQUAL(events[0]->mask, IN_CREATE);
+	TESTEQUAL(events[1]->mask, IN_CREATE);
+	TESTEQUAL(events[2]->mask, IN_CREATE);
+	TESTEQUAL(strcmp(names[0], file.name), 0);
+	TESTEQUAL(strcmp(names[1], id), 0);
+	TESTEQUAL(strcmp(names[2], id), 0);
+
+	/* Creating a mapped file triggers inotify event */
+	mfa = (struct incfs_create_mapped_file_args) {
+		.size = INCFS_DATA_FILE_BLOCK_SIZE,
+		.mode = 0664,
+		.file_name = ptr_to_u64(mapped_file_name),
+		.source_file_id = file.id,
+		.source_offset = INCFS_DATA_FILE_BLOCK_SIZE,
+	};
+
+	TEST(res = ioctl(cmd_fd, INCFS_IOC_CREATE_MAPPED_FILE, &mfa),
+	     res != -1);
+	TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+	event = (struct inotify_event *) buffer;
+	TESTEQUAL(event->wd, wds[0]);
+	TESTEQUAL(event->mask, IN_CREATE);
+	TESTEQUAL(strcmp(event->name, mapped_file_name), 0);
+
+	/* File completion triggers inotify event in .incomplete? */
+	TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+	TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+	event = (struct inotify_event *) buffer;
+	TESTEQUAL(event->wd, wds[2]);
+	TESTEQUAL(event->mask, IN_DELETE);
+	TESTEQUAL(strcmp(event->name, id), 0);
+
+	/* File unlinking triggers inotify event in .index? */
+	TEST(file_name = concat_file_name(mount_dir, file.name), file_name);
+	TESTEQUAL(unlink(file_name), 0);
+	TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+	memset(events, 0, sizeof(events));
+	memset(names, 0, sizeof(names));
+	for (ptr = buffer; ptr < buffer + res;) {
+		event = (struct inotify_event *) ptr;
+		int i;
+
+		TESTCOND(ptr + sizeof(*event) <= buffer + res);
+		for (i = 0; i < DIRS; ++i)
+			if (event->wd == wds[i]) {
+				TESTEQUAL(events[i], NULL);
+				events[i] = event;
+				ptr += sizeof(*event);
+				names[i] = ptr;
+				ptr += events[i]->len;
+				TESTCOND(ptr <= buffer + res);
+				break;
+			}
+		TESTCOND(i < DIRS);
+	}
+
+	TESTNE(events[0], NULL);
+	TESTNE(events[1], NULL);
+	TESTEQUAL(events[2], NULL);
+
+	TESTEQUAL(events[0]->mask, IN_DELETE);
+	TESTEQUAL(events[1]->mask, IN_DELETE);
+	TESTEQUAL(strcmp(names[0], file.name), 0);
+	TESTEQUAL(strcmp(names[1], id), 0);
+
+	result = TEST_SUCCESS;
+out:
+	free(file_name);
+	close(notify_fd);
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	free(index_dir);
+	free(incomplete_dir);
+	return result;
+}
+
+static EVP_PKEY *create_key(void)
+{
+	EVP_PKEY *pkey = NULL;
+	RSA *rsa = NULL;
+	BIGNUM *bn = NULL;
+
+	pkey = EVP_PKEY_new();
+	if (!pkey)
+		goto fail;
+
+	bn = BN_new();
+	BN_set_word(bn, RSA_F4);
+
+	rsa = RSA_new();
+	if (!rsa)
+		goto fail;
+
+	RSA_generate_key_ex(rsa, 4096, bn, NULL);
+	EVP_PKEY_assign_RSA(pkey, rsa);
+
+	BN_free(bn);
+	return pkey;
+
+fail:
+	BN_free(bn);
+	EVP_PKEY_free(pkey);
+	return NULL;
+}
+
+static X509 *get_cert(EVP_PKEY *key)
+{
+	X509 *x509 = NULL;
+	X509_NAME *name = NULL;
+
+	x509 = X509_new();
+	if (!x509)
+		return NULL;
+
+	ASN1_INTEGER_set(X509_get_serialNumber(x509), 1);
+	X509_gmtime_adj(X509_get_notBefore(x509), 0);
+	X509_gmtime_adj(X509_get_notAfter(x509), 31536000L);
+	X509_set_pubkey(x509, key);
+
+	name = X509_get_subject_name(x509);
+	X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC,
+		   (const unsigned char *)"US", -1, -1, 0);
+	X509_NAME_add_entry_by_txt(name, "ST", MBSTRING_ASC,
+		   (const unsigned char *)"CA", -1, -1, 0);
+	X509_NAME_add_entry_by_txt(name, "L", MBSTRING_ASC,
+		   (const unsigned char *)"San Jose", -1, -1, 0);
+	X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC,
+		   (const unsigned char *)"Example", -1, -1, 0);
+	X509_NAME_add_entry_by_txt(name, "OU", MBSTRING_ASC,
+		   (const unsigned char *)"Org", -1, -1, 0);
+	X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC,
+		   (const unsigned char *)"www.example.com", -1, -1, 0);
+	X509_set_issuer_name(x509, name);
+
+	if (!X509_sign(x509, key, EVP_sha256()))
+		return NULL;
+
+	return x509;
+}
+
+static int sign(EVP_PKEY *key, X509 *cert, const char *data, size_t len,
+		unsigned char **sig, size_t *sig_len)
+{
+	const int pkcs7_flags = PKCS7_BINARY | PKCS7_NOATTR | PKCS7_PARTIAL |
+			  PKCS7_DETACHED;
+	const EVP_MD *md = EVP_sha256();
+
+	int result = TEST_FAILURE;
+
+	BIO *bio = NULL;
+	PKCS7 *p7 = NULL;
+	unsigned char *bio_buffer;
+
+	TEST(bio = BIO_new_mem_buf(data, len), bio);
+	TEST(p7 = PKCS7_sign(NULL, NULL, NULL, bio, pkcs7_flags), p7);
+	TESTNE(PKCS7_sign_add_signer(p7, cert, key, md, pkcs7_flags), 0);
+	TESTEQUAL(PKCS7_final(p7, bio, pkcs7_flags), 1);
+	TEST(*sig_len = i2d_PKCS7(p7, NULL), *sig_len);
+	TEST(bio_buffer = malloc(*sig_len), bio_buffer);
+	*sig = bio_buffer;
+	TEST(*sig_len = i2d_PKCS7(p7, &bio_buffer), *sig_len);
+	TESTEQUAL(PKCS7_verify(p7, NULL, NULL, bio, NULL,
+			 pkcs7_flags | PKCS7_NOVERIFY | PKCS7_NOSIGS), 1);
+
+	result = TEST_SUCCESS;
+out:
+	PKCS7_free(p7);
+	BIO_free(bio);
+	return result;
+}
+
+static int verity_installed(const char *mount_dir, int cmd_fd, bool *installed)
+{
+	int result = TEST_FAILURE;
+	char *filename = NULL;
+	int fd = -1;
+	struct test_file *file = &get_test_files_set().files[0];
+
+	TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id, file->size,
+			    NULL), 0);
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(ioctl(fd, FS_IOC_ENABLE_VERITY, NULL), -1);
+	*installed = errno != EOPNOTSUPP;
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	if (filename)
+		remove(filename);
+	free(filename);
+	return result;
+}
+
+static int enable_verity(const char *mount_dir, struct test_file *file,
+			   EVP_PKEY *key, X509 *cert, bool use_signatures)
+{
+	int result = TEST_FAILURE;
+	char *filename = NULL;
+	int fd = -1;
+	struct fsverity_enable_arg fear = {
+		.version = 1,
+		.hash_algorithm = FS_VERITY_HASH_ALG_SHA256,
+		.block_size = INCFS_DATA_FILE_BLOCK_SIZE,
+		.sig_size = 0,
+		.sig_ptr = 0,
+	};
+	struct {
+		__u8 version;           /* must be 1 */
+		__u8 hash_algorithm;    /* Merkle tree hash algorithm */
+		__u8 log_blocksize;     /* log2 of size of data and tree blocks */
+		__u8 salt_size;         /* size of salt in bytes; 0 if none */
+		__le32 sig_size;        /* must be 0 */
+		__le64 data_size;       /* size of file the Merkle tree is built over */
+		__u8 root_hash[64];     /* Merkle tree root hash */
+		__u8 salt[32];          /* salt prepended to each hashed block */
+		__u8 __reserved[144];   /* must be 0's */
+	} __packed fsverity_descriptor = {
+		.version = 1,
+		.hash_algorithm = 1,
+		.log_blocksize = 12,
+		.data_size = file->size,
+	};
+	struct {
+		char magic[8];                  /* must be "FSVerity" */
+		__le16 digest_algorithm;
+		__le16 digest_size;
+		__u8 digest[32];
+	} __packed fsverity_signed_digest =  {
+		.digest_algorithm = 1,
+		.digest_size = 32
+	};
+	unsigned char *sig = NULL;
+	size_t sig_size = 0;
+	uint64_t flags;
+	struct statx statxbuf = {};
+
+	memcpy(fsverity_signed_digest.magic, "FSVerity", 8);
+
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TESTEQUAL(syscall(__NR_statx, AT_FDCWD, filename, 0, STATX_ALL,
+			  &statxbuf), 0);
+	TESTEQUAL(statxbuf.stx_attributes_mask & STATX_ATTR_VERITY,
+		  STATX_ATTR_VERITY);
+	TESTEQUAL(statxbuf.stx_attributes & STATX_ATTR_VERITY, 0);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(ioctl(fd, FS_IOC_GETFLAGS, &flags), 0);
+	TESTEQUAL(flags & FS_VERITY_FL, 0);
+
+	/* First try to enable verity with random digest */
+	if (key) {
+		TESTEQUAL(sign(key, cert, (void *)&fsverity_signed_digest,
+			    sizeof(fsverity_signed_digest), &sig, &sig_size),
+			  0);
+
+		fear.sig_size = sig_size;
+		fear.sig_ptr = ptr_to_u64(sig);
+		TESTEQUAL(ioctl(fd, FS_IOC_ENABLE_VERITY, &fear), -1);
+	}
+
+	/* Now try with correct digest */
+	memcpy(fsverity_descriptor.root_hash, file->root_hash, 32);
+	sha256((char *)&fsverity_descriptor, sizeof(fsverity_descriptor),
+	       (char *)fsverity_signed_digest.digest);
+
+	if (ioctl(fd, FS_IOC_ENABLE_VERITY, NULL) == -1 &&
+	    errno == EOPNOTSUPP) {
+		result = TEST_SUCCESS;
+		goto out;
+	}
+
+	free(sig);
+	sig = NULL;
+
+	if (key)
+		TESTEQUAL(sign(key, cert, (void *)&fsverity_signed_digest,
+			       sizeof(fsverity_signed_digest),
+			       &sig, &sig_size),
+		  0);
+
+	if (use_signatures) {
+		fear.sig_size = sig_size;
+		file->verity_sig_size = sig_size;
+		fear.sig_ptr = ptr_to_u64(sig);
+		file->verity_sig = sig;
+		sig = NULL;
+	} else {
+		fear.sig_size = 0;
+		fear.sig_ptr = 0;
+	}
+	TESTEQUAL(ioctl(fd, FS_IOC_ENABLE_VERITY, &fear), 0);
+
+	result = TEST_SUCCESS;
+out:
+	free(sig);
+	close(fd);
+	free(filename);
+	return result;
+}
+
+static int memzero(const unsigned char *buf, size_t size)
+{
+	size_t i;
+
+	for (i = 0; i < size; ++i)
+		if (buf[i])
+			return -1;
+	return 0;
+}
+
+static int validate_verity(const char *mount_dir, struct test_file *file)
+{
+	int result = TEST_FAILURE;
+	char *filename = concat_file_name(mount_dir, file->name);
+	int fd = -1;
+	uint64_t flags;
+	struct fsverity_digest *digest;
+	struct statx statxbuf = {};
+	struct fsverity_read_metadata_arg frma = {};
+	uint8_t *buf = NULL;
+	struct fsverity_descriptor desc;
+
+	TEST(digest = malloc(sizeof(struct fsverity_digest) +
+			     INCFS_MAX_HASH_SIZE), digest != NULL);
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TESTEQUAL(syscall(__NR_statx, AT_FDCWD, filename, 0, STATX_ALL,
+			  &statxbuf), 0);
+	TESTEQUAL(statxbuf.stx_attributes & STATX_ATTR_VERITY,
+		  STATX_ATTR_VERITY);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(ioctl(fd, FS_IOC_GETFLAGS, &flags), 0);
+	TESTEQUAL(flags & FS_VERITY_FL, FS_VERITY_FL);
+	digest->digest_size = INCFS_MAX_HASH_SIZE;
+	TESTEQUAL(ioctl(fd, FS_IOC_MEASURE_VERITY, digest), 0);
+	TESTEQUAL(digest->digest_algorithm, FS_VERITY_HASH_ALG_SHA256);
+	TESTEQUAL(digest->digest_size, 32);
+
+	if (file->verity_sig) {
+		TEST(buf = malloc(file->verity_sig_size), buf);
+		frma = (struct fsverity_read_metadata_arg) {
+			.metadata_type = FS_VERITY_METADATA_TYPE_SIGNATURE,
+			.length = file->verity_sig_size,
+			.buf_ptr = ptr_to_u64(buf),
+		};
+		TESTEQUAL(ioctl(fd, FS_IOC_READ_VERITY_METADATA, &frma),
+			  file->verity_sig_size);
+		TESTEQUAL(memcmp(buf, file->verity_sig, file->verity_sig_size),
+			  0);
+	} else {
+		frma = (struct fsverity_read_metadata_arg) {
+			.metadata_type = FS_VERITY_METADATA_TYPE_SIGNATURE,
+		};
+		TESTEQUAL(ioctl(fd, FS_IOC_READ_VERITY_METADATA, &frma), -1);
+		TESTEQUAL(errno, ENODATA);
+	}
+
+	frma = (struct fsverity_read_metadata_arg) {
+		.metadata_type = FS_VERITY_METADATA_TYPE_DESCRIPTOR,
+		.length = sizeof(desc),
+		.buf_ptr = ptr_to_u64(&desc),
+	};
+	TESTEQUAL(ioctl(fd, FS_IOC_READ_VERITY_METADATA, &frma),
+		  sizeof(desc));
+	TESTEQUAL(desc.version, 1);
+	TESTEQUAL(desc.hash_algorithm, FS_VERITY_HASH_ALG_SHA256);
+	TESTEQUAL(desc.log_blocksize, ilog2(INCFS_DATA_FILE_BLOCK_SIZE));
+	TESTEQUAL(desc.salt_size, 0);
+	TESTEQUAL(desc.__reserved_0x04, 0);
+	TESTEQUAL(desc.data_size, file->size);
+	TESTEQUAL(memcmp(desc.root_hash, file->root_hash, SHA256_DIGEST_SIZE),
+		  0);
+	TESTEQUAL(memzero(desc.root_hash + SHA256_DIGEST_SIZE,
+			  sizeof(desc.root_hash) - SHA256_DIGEST_SIZE), 0);
+	TESTEQUAL(memzero(desc.salt, sizeof(desc.salt)), 0);
+	TESTEQUAL(memzero(desc.__reserved, sizeof(desc.__reserved)), 0);
+
+	result = TEST_SUCCESS;
+out:
+	free(buf);
+	close(fd);
+	free(filename);
+	free(digest);
+	return result;
+}
+
+static int verity_test_optional_sigs(const char *mount_dir, bool use_signatures)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	bool installed;
+	int cmd_fd = -1;
+	int i;
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+	EVP_PKEY *key = NULL;
+	X509 *cert = NULL;
+	BIO *mem = NULL;
+	long len;
+	void *ptr;
+	FILE *proc_key_fd = NULL;
+	char *line = NULL;
+	size_t read = 0;
+	int key_id = -1;
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+		  0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	TESTEQUAL(verity_installed(mount_dir, cmd_fd, &installed), 0);
+	if (!installed) {
+		result = TEST_SUCCESS;
+		goto out;
+	}
+	TEST(key = create_key(), key);
+	TEST(cert = get_cert(key), cert);
+
+	TEST(proc_key_fd = fopen("/proc/keys", "r"), proc_key_fd != NULL);
+	while (getline(&line, &read, proc_key_fd) != -1)
+		if (strstr(line, ".fs-verity"))
+			key_id = strtol(line, NULL, 16);
+
+	TEST(mem = BIO_new(BIO_s_mem()), mem != NULL);
+	TESTEQUAL(i2d_X509_bio(mem, cert), 1);
+	TEST(len = BIO_get_mem_data(mem, &ptr), len != 0);
+	TESTCOND(key_id == -1
+		 || syscall(__NR_add_key, "asymmetric", "test:key", ptr, len,
+			    key_id) != -1);
+
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		build_mtree(file);
+		TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, file->root_hash,
+				     file->sig.add_data), 0);
+
+		TESTEQUAL(load_hash_tree(mount_dir, file), 0);
+		TESTEQUAL(enable_verity(mount_dir, file, key, cert,
+					use_signatures),
+			  0);
+	}
+
+	for (i = 0; i < file_num; i++)
+		TESTEQUAL(validate_verity(mount_dir, &test.files[i]), 0);
+
+	close(cmd_fd);
+	cmd_fd = -1;
+	TESTEQUAL(umount(mount_dir), 0);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+		  0);
+
+	for (i = 0; i < file_num; i++)
+		TESTEQUAL(validate_verity(mount_dir, &test.files[i]), 0);
+
+	result = TEST_SUCCESS;
+out:
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		free(file->mtree);
+		free(file->verity_sig);
+
+		file->mtree = NULL;
+		file->verity_sig = NULL;
+	}
+
+	free(line);
+	BIO_free(mem);
+	X509_free(cert);
+	EVP_PKEY_free(key);
+	fclose(proc_key_fd);
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int verity_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+
+	TESTEQUAL(verity_test_optional_sigs(mount_dir, true), TEST_SUCCESS);
+	TESTEQUAL(verity_test_optional_sigs(mount_dir, false), TEST_SUCCESS);
+	result = TEST_SUCCESS;
+out:
+	return result;
+}
+
+static int verity_file_valid(const char *mount_dir, struct test_file *file)
+{
+	int result = TEST_FAILURE;
+	char *filename = NULL;
+	int fd = -1;
+	uint8_t buffer[INCFS_DATA_FILE_BLOCK_SIZE];
+	struct incfs_get_file_sig_args gfsa = {
+		.file_signature = ptr_to_u64(buffer),
+		.file_signature_buf_size = sizeof(buffer),
+	};
+	int i;
+
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(ioctl(fd, INCFS_IOC_READ_FILE_SIGNATURE, &gfsa), 0);
+	for (i = 0; i < file->size; i += sizeof(buffer))
+		TESTEQUAL(pread(fd, buffer, sizeof(buffer), i),
+			  file->size - i > sizeof(buffer) ?
+				sizeof(buffer) : file->size - i);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	free(filename);
+	return result;
+}
+
+static int enable_verity_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	bool installed;
+	int cmd_fd = -1;
+	struct test_files_set test = get_test_files_set();
+	int i;
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	TESTEQUAL(verity_installed(mount_dir, cmd_fd, &installed), 0);
+	if (!installed) {
+		result = TEST_SUCCESS;
+		goto out;
+	}
+	for (i = 0; i < test.files_count; ++i) {
+		struct test_file *file = &test.files[i];
+
+		TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL), 0);
+		TESTEQUAL(emit_test_file_data(mount_dir, file), 0);
+		TESTEQUAL(enable_verity(mount_dir, file, NULL, NULL, false), 0);
+	}
+
+	/* Check files are valid on disk */
+	close(cmd_fd);
+	cmd_fd = -1;
+	TESTEQUAL(umount(mount_dir), 0);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	for (i = 0; i < test.files_count; ++i)
+		TESTEQUAL(verity_file_valid(mount_dir, &test.files[i]), 0);
+
+	result = TEST_SUCCESS;
+out:
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int mmap_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	int cmd_fd = -1;
+	/*
+	 * File is big enough to have a two layer tree with two hashes in the
+	 * higher level, so we can corrupt the second one
+	 */
+	int shas_per_block = INCFS_DATA_FILE_BLOCK_SIZE / SHA256_DIGEST_SIZE;
+	struct test_file file = {
+		  .name = "file",
+		  .size = INCFS_DATA_FILE_BLOCK_SIZE * shas_per_block * 2,
+	};
+	char *filename = NULL;
+	int fd = -1;
+	char *addr = (void *)-1;
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+
+	TESTEQUAL(build_mtree(&file), 0);
+	file.mtree[1].data[INCFS_DATA_FILE_BLOCK_SIZE] ^= 0xff;
+	TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file.name, &file.id,
+			       file.size, file.root_hash,
+			       file.sig.add_data), 0);
+	TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+	TESTEQUAL(load_hash_tree(mount_dir, &file), 0);
+	TEST(filename = concat_file_name(mount_dir, file.name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TEST(addr = mmap(NULL, file.size, PROT_READ, MAP_PRIVATE, fd, 0),
+	     addr != (void *) -1);
+	TESTEQUAL(mlock(addr, INCFS_DATA_FILE_BLOCK_SIZE), 0);
+	TESTEQUAL(munlock(addr, INCFS_DATA_FILE_BLOCK_SIZE), 0);
+	TESTEQUAL(mlock(addr + shas_per_block * INCFS_DATA_FILE_BLOCK_SIZE,
+			INCFS_DATA_FILE_BLOCK_SIZE), -1);
+	TESTEQUAL(mlock(addr + (shas_per_block - 1) *
+			       INCFS_DATA_FILE_BLOCK_SIZE,
+			INCFS_DATA_FILE_BLOCK_SIZE), 0);
+	TESTEQUAL(munlock(addr + (shas_per_block - 1) *
+				 INCFS_DATA_FILE_BLOCK_SIZE,
+			  INCFS_DATA_FILE_BLOCK_SIZE), 0);
+	TESTEQUAL(mlock(addr + (shas_per_block - 1) *
+			       INCFS_DATA_FILE_BLOCK_SIZE,
+			INCFS_DATA_FILE_BLOCK_SIZE * 2), -1);
+	TESTEQUAL(munmap(addr, file.size), 0);
+
+	result = TEST_SUCCESS;
+out:
+	free(file.mtree);
+	close(fd);
+	free(filename);
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int truncate_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	int cmd_fd = -1;
+	struct test_file file = {
+		  .name = "file",
+		  .size = INCFS_DATA_FILE_BLOCK_SIZE,
+	};
+	char *backing_file = NULL;
+	int fd = -1;
+	struct stat st;
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+		  0);
+	TEST(backing_file = concat_file_name(backing_dir, file.name),
+	     backing_file);
+	TEST(fd = open(backing_file, O_RDWR | O_CLOEXEC), fd != -1);
+	TESTEQUAL(stat(backing_file, &st), 0);
+	TESTCOND(st.st_blocks < 128);
+	TESTEQUAL(fallocate(fd, FALLOC_FL_KEEP_SIZE, 0, 1 << 24), 0);
+	TESTEQUAL(stat(backing_file, &st), 0);
+	TESTCOND(st.st_blocks > 32768);
+	TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+	TESTEQUAL(stat(backing_file, &st), 0);
+	TESTCOND(st.st_blocks < 128);
+
+	result = TEST_SUCCESS;
+out:
+	close(fd);
+	free(backing_file);
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int stat_file_test(const char *mount_dir, int cmd_fd,
+			  struct test_file *file)
+{
+	int result = TEST_FAILURE;
+	struct stat st;
+	char *filename = NULL;
+
+	TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+				     file->size, NULL), 0);
+	TEST(filename = concat_file_name(mount_dir, file->name), filename);
+	TESTEQUAL(stat(filename, &st), 0);
+	TESTCOND(st.st_blocks < 32);
+	TESTEQUAL(emit_test_file_data(mount_dir, file), 0);
+	TESTEQUAL(stat(filename, &st), 0);
+	TESTCOND(st.st_blocks > file->size / 512);
+
+	result = TEST_SUCCESS;
+out:
+	free(filename);
+	return result;
+}
+
+static int stat_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	int cmd_fd = -1;
+	int i;
+	struct test_files_set test = get_test_files_set();
+	const int file_num = test.files_count;
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+
+	for (i = 0; i < file_num; i++) {
+		struct test_file *file = &test.files[i];
+
+		TESTEQUAL(stat_file_test(mount_dir, cmd_fd, file), 0);
+	}
+
+	result = TEST_SUCCESS;
+out:
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+#define SYSFS_DIR "/sys/fs/incremental-fs/instances/test_node/"
+
+static int sysfs_test_value(const char *name, uint64_t value)
+{
+	int result = TEST_FAILURE;
+	char *filename = NULL;
+	FILE *file = NULL;
+	uint64_t res;
+
+	TEST(filename = concat_file_name(SYSFS_DIR, name), filename);
+	TEST(file = fopen(filename, "re"), file);
+	TESTEQUAL(fscanf(file, "%lu", &res), 1);
+	TESTEQUAL(res, value);
+
+	result = TEST_SUCCESS;
+out:
+	if (file)
+		fclose(file);
+	free(filename);
+	return result;
+}
+
+static int sysfs_test_value_range(const char *name, uint64_t low, uint64_t high)
+{
+	int result = TEST_FAILURE;
+	char *filename = NULL;
+	FILE *file = NULL;
+	uint64_t res;
+
+	TEST(filename = concat_file_name(SYSFS_DIR, name), filename);
+	TEST(file = fopen(filename, "re"), file);
+	TESTEQUAL(fscanf(file, "%lu", &res), 1);
+	TESTCOND(res >= low && res <= high);
+
+	result = TEST_SUCCESS;
+out:
+	if (file)
+		fclose(file);
+	free(filename);
+	return result;
+}
+
+static int ioctl_test_last_error(int cmd_fd, const incfs_uuid_t *file_id,
+				 int page, int error)
+{
+	int result = TEST_FAILURE;
+	struct incfs_get_last_read_error_args glre;
+
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_LAST_READ_ERROR, &glre), 0);
+	if (file_id)
+		TESTEQUAL(memcmp(&glre.file_id_out, file_id, sizeof(*file_id)),
+			  0);
+
+	TESTEQUAL(glre.page_out, page);
+	TESTEQUAL(glre.errno_out, error);
+	result = TEST_SUCCESS;
+out:
+	return result;
+}
+
+static int sysfs_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	int cmd_fd = -1;
+	struct test_file file = {
+		  .name = "file",
+		  .size = INCFS_DATA_FILE_BLOCK_SIZE,
+	};
+	char *filename = NULL;
+	int fd = -1;
+	int pid = -1;
+	char buffer[32];
+	char *null_buf = NULL;
+	int status;
+	struct incfs_per_uid_read_timeouts purt_set[] = {
+		{
+			.uid = 0,
+			.min_time_us = 1000000,
+			.min_pending_time_us = 1000000,
+			.max_pending_time_us = 2000000,
+		},
+	};
+	struct incfs_set_read_timeouts_args srt = {
+		ptr_to_u64(purt_set),
+		sizeof(purt_set)
+	};
+
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "sysfs_name=test_node",
+			       false),
+		  0);
+	TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+	TESTEQUAL(build_mtree(&file), 0);
+	file.root_hash[0] ^= 0xff;
+	TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file.name, &file.id, file.size,
+				   file.root_hash, file.sig.add_data),
+		  0);
+	TEST(filename = concat_file_name(mount_dir, file.name), filename);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(ioctl_test_last_error(cmd_fd, NULL, 0, 0), 0);
+	TESTEQUAL(sysfs_test_value("reads_failed_timed_out", 0), 0);
+	TESTEQUAL(read(fd, null_buf, 1), -1);
+	TESTEQUAL(ioctl_test_last_error(cmd_fd, &file.id, 0, -ETIME), 0);
+	TESTEQUAL(sysfs_test_value("reads_failed_timed_out", 2), 0);
+
+	TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+	TESTEQUAL(sysfs_test_value("reads_failed_hash_verification", 0), 0);
+	TESTEQUAL(read(fd, null_buf, 1), -1);
+	TESTEQUAL(sysfs_test_value("reads_failed_hash_verification", 1), 0);
+	TESTSYSCALL(close(fd));
+	fd = -1;
+
+	TESTSYSCALL(unlink(filename));
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+			       "read_timeout_ms=10000,sysfs_name=test_node",
+			       true),
+		  0);
+	TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+		  0);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTSYSCALL(fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC));
+	TEST(pid = fork(), pid != -1);
+	if (pid == 0) {
+		TESTEQUAL(read(fd, buffer, sizeof(buffer)), sizeof(buffer));
+		exit(0);
+	}
+	sleep(1);
+	TESTEQUAL(sysfs_test_value("reads_delayed_pending", 0), 0);
+	TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+	TESTNE(wait(&status), -1);
+	TESTEQUAL(status, 0);
+	TESTEQUAL(sysfs_test_value("reads_delayed_pending", 1), 0);
+	/* Allow +/- 10% */
+	TESTEQUAL(sysfs_test_value_range("reads_delayed_pending_us", 900000, 1100000),
+		  0);
+
+	TESTSYSCALL(close(fd));
+	fd = -1;
+
+	TESTSYSCALL(unlink(filename));
+	TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+	TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+		  0);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(sysfs_test_value("reads_delayed_min", 0), 0);
+	TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+	TESTEQUAL(read(fd, buffer, sizeof(buffer)), sizeof(buffer));
+	TESTEQUAL(sysfs_test_value("reads_delayed_min", 1), 0);
+	/* This should be exact */
+	TESTEQUAL(sysfs_test_value("reads_delayed_min_us", 1000000), 0);
+
+	TESTSYSCALL(close(fd));
+	fd = -1;
+
+	TESTSYSCALL(unlink(filename));
+	TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+		  0);
+	TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTSYSCALL(fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC));
+	TEST(pid = fork(), pid != -1);
+	if (pid == 0) {
+		TESTEQUAL(read(fd, buffer, sizeof(buffer)), sizeof(buffer));
+		exit(0);
+	}
+	usleep(500000);
+	TESTEQUAL(sysfs_test_value("reads_delayed_pending", 1), 0);
+	TESTEQUAL(sysfs_test_value("reads_delayed_min", 1), 0);
+	TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+	TESTNE(wait(&status), -1);
+	TESTEQUAL(status, 0);
+	TESTEQUAL(sysfs_test_value("reads_delayed_pending", 2), 0);
+	TESTEQUAL(sysfs_test_value("reads_delayed_min", 2), 0);
+	/* Exact 1000000 plus 500000 +/- 10% */
+	TESTEQUAL(sysfs_test_value_range("reads_delayed_min_us", 1450000, 1550000), 0);
+	/* Allow +/- 10% */
+	TESTEQUAL(sysfs_test_value_range("reads_delayed_pending_us", 1350000, 1650000),
+		  0);
+
+	result = TEST_SUCCESS;
+out:
+	if (pid == 0)
+		exit(result);
+	free(file.mtree);
+	free(filename);
+	close(fd);
+	close(cmd_fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int sysfs_test_directories(bool one_present, bool two_present)
+{
+	int result = TEST_FAILURE;
+	struct stat st;
+
+	TESTEQUAL(stat("/sys/fs/incremental-fs/instances/1", &st),
+		  one_present ? 0 : -1);
+	if (one_present)
+		TESTCOND(S_ISDIR(st.st_mode));
+	else
+		TESTEQUAL(errno, ENOENT);
+	TESTEQUAL(stat("/sys/fs/incremental-fs/instances/2", &st),
+		  two_present ? 0 : -1);
+	if (two_present)
+		TESTCOND(S_ISDIR(st.st_mode));
+	else
+		TESTEQUAL(errno, ENOENT);
+
+	result = TEST_SUCCESS;
+out:
+	return result;
+}
+
+static int sysfs_rename_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+	char *mount_dir2 = NULL;
+	int fd = -1;
+	char c;
+
+	/* Mount with no node */
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	TESTEQUAL(sysfs_test_directories(false, false), 0);
+
+	/* Remount with node */
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "sysfs_name=1", true),
+		  0);
+	TESTEQUAL(sysfs_test_directories(true, false), 0);
+	TEST(fd = open("/sys/fs/incremental-fs/instances/1/reads_delayed_min",
+		       O_RDONLY | O_CLOEXEC), fd != -1);
+	TESTEQUAL(pread(fd, &c, 1, 0), 1);
+	TESTEQUAL(c, '0');
+	TESTEQUAL(pread(fd, &c, 1, 0), 1);
+	TESTEQUAL(c, '0');
+
+	/* Rename node */
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "sysfs_name=2", true),
+		  0);
+	TESTEQUAL(sysfs_test_directories(false, true), 0);
+	TESTEQUAL(pread(fd, &c, 1, 0), -1);
+
+	/* Try mounting another instance with same node name */
+	TEST(mount_dir2 = concat_file_name(backing_dir, "incfs-mount-dir2"),
+	     mount_dir2);
+	rmdir(mount_dir2); /* In case we crashed before */
+	TESTSYSCALL(mkdir(mount_dir2, 0777));
+	TEST(mount_fs_opt(mount_dir2, backing_dir, "sysfs_name=2", false),
+		  -1);
+
+	/* Try mounting another instance then remounting with existing name */
+	TESTEQUAL(mount_fs(mount_dir2, backing_dir, 0), 0);
+	TESTEQUAL(mount_fs_opt(mount_dir2, backing_dir, "sysfs_name=2", true),
+		  -1);
+
+	/* Remount with no node */
+	TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "", true),
+		  0);
+	TESTEQUAL(sysfs_test_directories(false, false), 0);
+
+	result = TEST_SUCCESS;
+out:
+	umount(mount_dir2);
+	rmdir(mount_dir2);
+	free(mount_dir2);
+	close(fd);
+	umount(mount_dir);
+	free(backing_dir);
+	return result;
+}
+
+static int stacked_mount_test(const char *mount_dir)
+{
+	int result = TEST_FAILURE;
+	char *backing_dir = NULL;
+
+	/* Mount with no node */
+	TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	/* Try mounting another instance with same name */
+	TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+	/* Try unmounting the first instance */
+	TESTEQUAL(umount_fs(mount_dir), 0);
+	/* Try unmounting the second instance */
+	TESTEQUAL(umount_fs(mount_dir), 0);
+	result = TEST_SUCCESS;
+out:
+	/* Cleanup */
+	rmdir(mount_dir);
+	rmdir(backing_dir);
+	free(backing_dir);
+	return result;
+}
+
+static char *setup_mount_dir()
+{
+	struct stat st;
+	char *current_dir = getcwd(NULL, 0);
+	char *mount_dir = concat_file_name(current_dir, "incfs-mount-dir");
+
+	free(current_dir);
+	if (stat(mount_dir, &st) == 0) {
+		if (S_ISDIR(st.st_mode))
+			return mount_dir;
+
+		ksft_print_msg("%s is a file, not a dir.\n", mount_dir);
+		return NULL;
+	}
+
+	if (mkdir(mount_dir, 0777)) {
+		print_error("Can't create mount dir.");
+		return NULL;
+	}
+
+	return mount_dir;
+}
+
+int parse_options(int argc, char *const *argv)
+{
+	signed char c;
+
+	while ((c = getopt(argc, argv, "f:t:v")) != -1)
+		switch (c) {
+		case 'f':
+			options.file = strtol(optarg, NULL, 10);
+			break;
+
+		case 't':
+			options.test = strtol(optarg, NULL, 10);
+			break;
+
+		case 'v':
+			options.verbose = true;
+			break;
+
+		default:
+			return -EINVAL;
+		}
+
+	return 0;
+}
+
+struct test_case {
+	int (*pfunc)(const char *dir);
+	const char *name;
+};
+
+void run_one_test(const char *mount_dir, struct test_case *test_case)
+{
+	int ret;
+
+	ksft_print_msg("Running %s\n", test_case->name);
+	ret = test_case->pfunc(mount_dir);
+
+	if (ret == TEST_SUCCESS)
+		ksft_test_result_pass("%s\n", test_case->name);
+	else if (ret == TEST_SKIP)
+		ksft_test_result_skip("%s\n", test_case->name);
+	else
+		ksft_test_result_fail("%s\n", test_case->name);
+}
+
+int main(int argc, char *argv[])
+{
+	char *mount_dir = NULL;
+	int i;
+	int fd, count;
+
+	if (parse_options(argc, argv))
+		ksft_exit_fail_msg("Bad options\n");
+
+	// Seed randomness pool for testing on QEMU
+	// NOTE - this abuses the concept of randomness - do *not* ever do this
+	// on a machine for production use - the device will think it has good
+	// randomness when it does not.
+	fd = open("/dev/urandom", O_WRONLY | O_CLOEXEC);
+	count = 4096;
+	for (int i = 0; i < 128; ++i)
+		ioctl(fd, RNDADDTOENTCNT, &count);
+	close(fd);
+
+	ksft_print_header();
+
+	if (geteuid() != 0)
+		ksft_print_msg("Not a root, might fail to mount.\n");
+
+	mount_dir = setup_mount_dir();
+	if (mount_dir == NULL)
+		ksft_exit_fail_msg("Can't create a mount dir\n");
+
+#define MAKE_TEST(test)                                                        \
+	{                                                                      \
+		test, #test                                                    \
+	}
+	struct test_case cases[] = {
+		MAKE_TEST(basic_file_ops_test),
+		MAKE_TEST(cant_touch_index_test),
+		MAKE_TEST(dynamic_files_and_data_test),
+		MAKE_TEST(concurrent_reads_and_writes_test),
+		MAKE_TEST(attribute_test),
+		MAKE_TEST(work_after_remount_test),
+		MAKE_TEST(child_procs_waiting_for_data_test),
+		MAKE_TEST(multiple_providers_test),
+		MAKE_TEST(hash_tree_test),
+		MAKE_TEST(read_log_test),
+		MAKE_TEST(get_blocks_test),
+		MAKE_TEST(get_hash_blocks_test),
+		MAKE_TEST(large_file_test),
+		MAKE_TEST(mapped_file_test),
+		MAKE_TEST(compatibility_test),
+		MAKE_TEST(data_block_count_test),
+		MAKE_TEST(hash_block_count_test),
+		MAKE_TEST(per_uid_read_timeouts_test),
+		MAKE_TEST(inotify_test),
+		MAKE_TEST(verity_test),
+		MAKE_TEST(enable_verity_test),
+		MAKE_TEST(mmap_test),
+		MAKE_TEST(truncate_test),
+		MAKE_TEST(stat_test),
+		MAKE_TEST(sysfs_test),
+		MAKE_TEST(sysfs_rename_test),
+		MAKE_TEST(stacked_mount_test),
+	};
+#undef MAKE_TEST
+
+	if (options.test) {
+		if (options.test <= 0 || options.test > ARRAY_SIZE(cases))
+			ksft_exit_fail_msg("Invalid test\n");
+
+		ksft_set_plan(1);
+		run_one_test(mount_dir, &cases[options.test - 1]);
+	} else {
+		ksft_set_plan(ARRAY_SIZE(cases));
+		for (i = 0; i < ARRAY_SIZE(cases); ++i)
+			run_one_test(mount_dir, &cases[i]);
+	}
+
+	umount2(mount_dir, MNT_FORCE);
+	rmdir(mount_dir);
+	return !ksft_get_fail_cnt() ? ksft_exit_pass() : ksft_exit_fail();
+}
diff --git a/tools/testing/selftests/filesystems/incfs/utils.c b/tools/testing/selftests/filesystems/incfs/utils.c
new file mode 100644
index 0000000..d7deb53
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/utils.c
@@ -0,0 +1,391 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/ioctl.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <openssl/sha.h>
+#include <openssl/md5.h>
+
+#include "utils.h"
+
+#ifndef __S_IFREG
+#define __S_IFREG S_IFREG
+#endif
+
+unsigned int rnd(unsigned int max, unsigned int *seed)
+{
+	return rand_r(seed) * ((uint64_t)max + 1) / RAND_MAX;
+}
+
+int remove_dir(const char *dir)
+{
+	int err = rmdir(dir);
+
+	if (err && errno == ENOTEMPTY) {
+		err = delete_dir_tree(dir);
+		if (err)
+			return err;
+		return 0;
+	}
+
+	if (err && errno != ENOENT)
+		return -errno;
+
+	return 0;
+}
+
+int drop_caches(void)
+{
+	int drop_caches =
+		open("/proc/sys/vm/drop_caches", O_WRONLY | O_CLOEXEC);
+	int i;
+
+	if (drop_caches == -1)
+		return -errno;
+	i = write(drop_caches, "3", 1);
+	close(drop_caches);
+
+	if (i != 1)
+		return -errno;
+
+	return 0;
+}
+
+int mount_fs(const char *mount_dir, const char *backing_dir,
+	     int read_timeout_ms)
+{
+	static const char fs_name[] = INCFS_NAME;
+	char mount_options[512];
+	int result;
+
+	snprintf(mount_options, ARRAY_SIZE(mount_options),
+		 "read_timeout_ms=%u",
+		  read_timeout_ms);
+
+	result = mount(backing_dir, mount_dir, fs_name, 0, mount_options);
+	if (result != 0)
+		perror("Error mounting fs.");
+	return result;
+}
+
+int umount_fs(const char *mount_dir)
+{
+	int result;
+
+	result = umount(mount_dir);
+	if (result != 0)
+		perror("Error unmounting fs.");
+	return result;
+}
+
+int mount_fs_opt(const char *mount_dir, const char *backing_dir,
+		 const char *opt, bool remount)
+{
+	static const char fs_name[] = INCFS_NAME;
+	int result;
+
+	result = mount(backing_dir, mount_dir, fs_name,
+		       remount ? MS_REMOUNT : 0, opt);
+	if (result != 0)
+		perror("Error mounting fs.");
+	return result;
+}
+
+struct hash_section {
+	uint32_t algorithm;
+	uint8_t log2_blocksize;
+	uint32_t salt_size;
+	/* no salt */
+	uint32_t hash_size;
+	uint8_t hash[SHA256_DIGEST_SIZE];
+} __packed;
+
+struct signature_blob {
+	uint32_t version;
+	uint32_t hash_section_size;
+	struct hash_section hash_section;
+	uint32_t signing_section_size;
+	uint8_t signing_section[];
+} __packed;
+
+size_t format_signature(void **buf, const char *root_hash, const char *add_data)
+{
+	size_t size = sizeof(struct signature_blob) + strlen(add_data) + 1;
+	struct signature_blob *sb = malloc(size);
+
+	if (!sb)
+		return 0;
+
+	*sb = (struct signature_blob){
+		.version = INCFS_SIGNATURE_VERSION,
+		.hash_section_size = sizeof(struct hash_section),
+		.hash_section =
+			(struct hash_section){
+				.algorithm = INCFS_HASH_TREE_SHA256,
+				.log2_blocksize = 12,
+				.salt_size = 0,
+				.hash_size = SHA256_DIGEST_SIZE,
+			},
+		.signing_section_size = strlen(add_data) + 1,
+	};
+
+	memcpy(sb->hash_section.hash, root_hash, SHA256_DIGEST_SIZE);
+	memcpy((char *)sb->signing_section, add_data, strlen(add_data) + 1);
+	*buf = sb;
+	return size;
+}
+
+int crypto_emit_file(int fd, const char *dir, const char *filename,
+		     incfs_uuid_t *id_out, size_t size, const char *root_hash,
+		     const char *add_data)
+{
+	int mode = __S_IFREG | 0555;
+	void *signature;
+	int error = 0;
+
+	struct incfs_new_file_args args = {
+			.size = size,
+			.mode = mode,
+			.file_name = ptr_to_u64(filename),
+			.directory_path = ptr_to_u64(dir),
+			.file_attr = 0,
+			.file_attr_len = 0
+	};
+
+	args.signature_size = format_signature(&signature, root_hash, add_data);
+	args.signature_info = ptr_to_u64(signature);
+
+	md5(filename, strlen(filename), (char *)args.file_id.bytes);
+
+	if (ioctl(fd, INCFS_IOC_CREATE_FILE, &args) != 0) {
+		error = -errno;
+		goto out;
+	}
+
+	*id_out = args.file_id;
+
+out:
+	free(signature);
+	return error;
+}
+
+int emit_file(int fd, const char *dir, const char *filename,
+	      incfs_uuid_t *id_out, size_t size, const char *attr)
+{
+	int mode = __S_IFREG | 0555;
+	struct incfs_new_file_args args = { .size = size,
+					    .mode = mode,
+					    .file_name = ptr_to_u64(filename),
+					    .directory_path = ptr_to_u64(dir),
+					    .signature_info = ptr_to_u64(NULL),
+					    .signature_size = 0,
+					    .file_attr = ptr_to_u64(attr),
+					    .file_attr_len =
+						    attr ? strlen(attr) : 0 };
+
+	md5(filename, strlen(filename), (char *)args.file_id.bytes);
+
+	if (ioctl(fd, INCFS_IOC_CREATE_FILE, &args) != 0)
+		return -errno;
+
+	*id_out = args.file_id;
+	return 0;
+}
+
+int get_file_bmap(int cmd_fd, int ino, unsigned char *buf, int buf_size)
+{
+	return 0;
+}
+
+int get_file_signature(int fd, unsigned char *buf, int buf_size)
+{
+	struct incfs_get_file_sig_args args = {
+		.file_signature = ptr_to_u64(buf),
+		.file_signature_buf_size = buf_size
+	};
+
+	if (ioctl(fd, INCFS_IOC_READ_FILE_SIGNATURE, &args) == 0)
+		return args.file_signature_len_out;
+	return -errno;
+}
+
+loff_t get_file_size(const char *name)
+{
+	struct stat st;
+
+	if (stat(name, &st) == 0)
+		return st.st_size;
+	return -ENOENT;
+}
+
+int open_commands_file(const char *mount_dir)
+{
+	char cmd_file[255];
+	int cmd_fd;
+
+	snprintf(cmd_file, ARRAY_SIZE(cmd_file),
+			"%s/%s", mount_dir, INCFS_PENDING_READS_FILENAME);
+	cmd_fd = open(cmd_file, O_RDONLY | O_CLOEXEC);
+
+	if (cmd_fd < 0)
+		perror("Can't open commands file");
+	return cmd_fd;
+}
+
+int open_log_file(const char *mount_dir)
+{
+	char file[255];
+	int fd;
+
+	snprintf(file, ARRAY_SIZE(file), "%s/.log", mount_dir);
+	fd = open(file, O_RDWR | O_CLOEXEC);
+	if (fd < 0)
+		perror("Can't open log file");
+	return fd;
+}
+
+int open_blocks_written_file(const char *mount_dir)
+{
+	char file[255];
+	int fd;
+
+	snprintf(file, ARRAY_SIZE(file),
+			"%s/%s", mount_dir, INCFS_BLOCKS_WRITTEN_FILENAME);
+	fd = open(file, O_RDONLY | O_CLOEXEC);
+
+	if (fd < 0)
+		perror("Can't open blocks_written file");
+	return fd;
+}
+
+int wait_for_pending_reads(int fd, int timeout_ms,
+	struct incfs_pending_read_info *prs, int prs_count)
+{
+	ssize_t read_res = 0;
+
+	if (timeout_ms > 0) {
+		int poll_res = 0;
+		struct pollfd pollfd = {
+			.fd = fd,
+			.events = POLLIN
+		};
+
+		poll_res = poll(&pollfd, 1, timeout_ms);
+		if (poll_res < 0)
+			return -errno;
+		if (poll_res == 0)
+			return 0;
+		if (!(pollfd.revents | POLLIN))
+			return 0;
+	}
+
+	read_res = read(fd, prs, prs_count * sizeof(*prs));
+	if (read_res < 0)
+		return -errno;
+
+	return read_res / sizeof(*prs);
+}
+
+int wait_for_pending_reads2(int fd, int timeout_ms,
+	struct incfs_pending_read_info2 *prs, int prs_count)
+{
+	ssize_t read_res = 0;
+
+	if (timeout_ms > 0) {
+		int poll_res = 0;
+		struct pollfd pollfd = {
+			.fd = fd,
+			.events = POLLIN
+		};
+
+		poll_res = poll(&pollfd, 1, timeout_ms);
+		if (poll_res < 0)
+			return -errno;
+		if (poll_res == 0)
+			return 0;
+		if (!(pollfd.revents | POLLIN))
+			return 0;
+	}
+
+	read_res = read(fd, prs, prs_count * sizeof(*prs));
+	if (read_res < 0)
+		return -errno;
+
+	return read_res / sizeof(*prs);
+}
+
+char *concat_file_name(const char *dir, const char *file)
+{
+	char full_name[FILENAME_MAX] = "";
+
+	if (snprintf(full_name, ARRAY_SIZE(full_name), "%s/%s", dir, file) < 0)
+		return NULL;
+	return strdup(full_name);
+}
+
+int delete_dir_tree(const char *dir_path)
+{
+	DIR *dir = NULL;
+	struct dirent *dp;
+	int result = 0;
+
+	dir = opendir(dir_path);
+	if (!dir) {
+		result = -errno;
+		goto out;
+	}
+
+	while ((dp = readdir(dir))) {
+		char *full_path;
+
+		if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+			continue;
+
+		full_path = concat_file_name(dir_path, dp->d_name);
+		if (dp->d_type == DT_DIR)
+			result = delete_dir_tree(full_path);
+		else
+			result = unlink(full_path);
+		free(full_path);
+		if (result)
+			goto out;
+	}
+
+out:
+	if (dir)
+		closedir(dir);
+	if (!result)
+		rmdir(dir_path);
+	return result;
+}
+
+void sha256(const char *data, size_t dsize, char *hash)
+{
+	SHA256_CTX ctx;
+
+	SHA256_Init(&ctx);
+	SHA256_Update(&ctx, data, dsize);
+	SHA256_Final((unsigned char *)hash, &ctx);
+}
+
+void md5(const char *data, size_t dsize, char *hash)
+{
+	MD5_CTX ctx;
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, data, dsize);
+	MD5_Final((unsigned char *)hash, &ctx);
+}
diff --git a/tools/testing/selftests/filesystems/incfs/utils.h b/tools/testing/selftests/filesystems/incfs/utils.h
new file mode 100644
index 0000000..17a1ac5
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/utils.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+#include <stdbool.h>
+#include <sys/stat.h>
+
+#include <include/uapi/linux/incrementalfs.h>
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+
+#define __packed __attribute__((__packed__))
+
+#ifdef __LP64__
+#define ptr_to_u64(p) ((__u64)p)
+#else
+#define ptr_to_u64(p) ((__u64)(__u32)p)
+#endif
+
+#define SHA256_DIGEST_SIZE 32
+#define INCFS_MAX_MTREE_LEVELS 8
+
+unsigned int rnd(unsigned int max, unsigned int *seed);
+
+int remove_dir(const char *dir);
+
+int drop_caches(void);
+
+int mount_fs(const char *mount_dir, const char *backing_dir,
+	     int read_timeout_ms);
+
+int umount_fs(const char *mount_dir);
+
+int mount_fs_opt(const char *mount_dir, const char *backing_dir,
+		 const char *opt, bool remount);
+
+int get_file_bmap(int cmd_fd, int ino, unsigned char *buf, int buf_size);
+
+int get_file_signature(int fd, unsigned char *buf, int buf_size);
+
+int emit_node(int fd, char *filename, int *ino_out, int parent_ino,
+		size_t size, mode_t mode, char *attr);
+
+int emit_file(int fd, const char *dir, const char *filename,
+	      incfs_uuid_t *id_out, size_t size, const char *attr);
+
+int crypto_emit_file(int fd, const char *dir, const char *filename,
+		     incfs_uuid_t *id_out, size_t size, const char *root_hash,
+		     const char *add_data);
+
+loff_t get_file_size(const char *name);
+
+int open_commands_file(const char *mount_dir);
+
+int open_log_file(const char *mount_dir);
+
+int open_blocks_written_file(const char *mount_dir);
+
+int wait_for_pending_reads(int fd, int timeout_ms,
+	struct incfs_pending_read_info *prs, int prs_count);
+
+int wait_for_pending_reads2(int fd, int timeout_ms,
+	struct incfs_pending_read_info2 *prs, int prs_count);
+
+char *concat_file_name(const char *dir, const char *file);
+
+void sha256(const char *data, size_t dsize, char *hash);
+
+void md5(const char *data, size_t dsize, char *hash);
+
+int delete_dir_tree(const char *path);
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc
new file mode 100644
index 0000000..05ffba2
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc
@@ -0,0 +1,63 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test histogram expression parsing
+# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist error_log "<var1>=<field|var_ref|numeric_literal>":README
+
+
+fail() { #msg
+    echo $1
+    exit_fail
+}
+
+test_hist_expr() { # test_name expression expected_val
+    trigger="events/sched/sched_process_fork/trigger"
+
+    reset_trigger_file $trigger
+
+    echo "Test hist trigger expressions - $1"
+
+    echo "hist:keys=common_pid:x=$2" > $trigger
+
+    for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+
+    actual=`grep -o 'x=[[:digit:]]*' $trigger | awk -F= '{ print $2 }'`
+
+    if [ $actual != $3 ]; then
+        fail "Failed hist trigger expression evaluation: Expression: $2 Expected: $3, Actual: $actual"
+    fi
+
+    reset_trigger_file $trigger
+}
+
+check_error() { # test_name command-with-error-pos-by-^
+    trigger="events/sched/sched_process_fork/trigger"
+
+    echo "Test hist trigger expressions - $1"
+    ftrace_errlog_check 'hist:sched:sched_process_fork' "$2" $trigger
+}
+
+test_hist_expr "Variable assignment" "123" "123"
+
+test_hist_expr "Subtraction not associative" "16-8-4-2" "2"
+
+test_hist_expr "Division not associative" "64/8/4/2" "1"
+
+test_hist_expr "Same precedence operators (+,-) evaluated left to right" "16-8+4+2" "14"
+
+test_hist_expr "Same precedence operators (*,/) evaluated left to right" "4*3/2*2" "12"
+
+test_hist_expr "Multiplication evaluated before addition/subtraction" "4+3*2-2" "8"
+
+test_hist_expr "Division evaluated before addition/subtraction" "4+6/2-2" "5"
+
+# err pos for "too many subexpressions" is dependent on where
+# the last subexpression was detected. This can vary depending
+# on how the expression tree was generated.
+check_error "Too many subexpressions" 'hist:keys=common_pid:x=32+^10*3/20-4'
+check_error "Too many subexpressions" 'hist:keys=common_pid:x=^1+2+3+4+5'
+
+check_error "Unary minus not supported in subexpression" 'hist:keys=common_pid:x=-(^1)+2'
+
+check_error "Division by zero" 'hist:keys=common_pid:x=3/^0'
+
+exit 0
diff --git a/tools/testing/selftests/kselftest_module.h b/tools/testing/selftests/kselftest_module.h
index e8eafaf..e2ea41d 100644
--- a/tools/testing/selftests/kselftest_module.h
+++ b/tools/testing/selftests/kselftest_module.h
@@ -11,7 +11,8 @@
 
 #define KSTM_MODULE_GLOBALS()			\
 static unsigned int total_tests __initdata;	\
-static unsigned int failed_tests __initdata
+static unsigned int failed_tests __initdata;	\
+static unsigned int skipped_tests __initdata
 
 #define KSTM_CHECK_ZERO(x) do {						\
 	total_tests++;							\
@@ -21,11 +22,16 @@
 	}								\
 } while (0)
 
-static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests)
+static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests,
+			      unsigned int skipped_tests)
 {
-	if (failed_tests == 0)
-		pr_info("all %u tests passed\n", total_tests);
-	else
+	if (failed_tests == 0) {
+		if (skipped_tests) {
+			pr_info("skipped %u tests\n", skipped_tests);
+			pr_info("remaining %u tests passed\n", total_tests);
+		} else
+			pr_info("all %u tests passed\n", total_tests);
+	} else
 		pr_warn("failed %u out of %u tests\n", failed_tests, total_tests);
 
 	return failed_tests ? -EINVAL : 0;
@@ -36,7 +42,7 @@
 {							\
 	pr_info("loaded.\n");				\
 	selftest();					\
-	return kstm_report(total_tests, failed_tests);	\
+	return kstm_report(total_tests, failed_tests, skipped_tests);	\
 }							\
 static void __exit __module##_exit(void)		\
 {							\
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 3d14ef7..0623a77 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
-include ../../../../scripts/Kbuild.include
+include ../../../build/Build.include
 
 all:
 
@@ -73,6 +73,7 @@
 TEST_GEN_PROGS_aarch64 += kvm_create_max_vcpus
 TEST_GEN_PROGS_aarch64 += set_memory_region_test
 TEST_GEN_PROGS_aarch64 += steal_time
+TEST_PROGS_aarch64 += aarch64/s2mpu.sh
 
 TEST_GEN_PROGS_s390x = s390x/memop
 TEST_GEN_PROGS_s390x += s390x/resets
@@ -83,6 +84,7 @@
 TEST_GEN_PROGS_s390x += set_memory_region_test
 
 TEST_GEN_PROGS += $(TEST_GEN_PROGS_$(UNAME_M))
+TEST_PROGS += $(TEST_PROGS_$(UNAME_M))
 LIBKVM += $(LIBKVM_$(UNAME_M))
 
 INSTALL_HDR_PATH = $(top_srcdir)/usr
diff --git a/tools/testing/selftests/kvm/aarch64/get-reg-list.c b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
index 33218a3..4869321 100644
--- a/tools/testing/selftests/kvm/aarch64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
@@ -42,12 +42,16 @@
 #define for_each_reg(i)								\
 	for ((i) = 0; (i) < reg_list->n; ++(i))
 
+#define for_each_reg_filtered(i)						\
+	for_each_reg(i)								\
+		if (!filter_reg(reg_list->reg[i]))
+
 #define for_each_missing_reg(i)							\
 	for ((i) = 0; (i) < blessed_n; ++(i))					\
 		if (!find_reg(reg_list->reg, reg_list->n, blessed_reg[i]))
 
 #define for_each_new_reg(i)							\
-	for ((i) = 0; (i) < reg_list->n; ++(i))					\
+	for_each_reg_filtered(i)						\
 		if (!find_reg(blessed_reg, blessed_n, reg_list->reg[i]))
 
 
@@ -57,6 +61,18 @@
 static __u64 base_regs_n, vregs_n, sve_regs_n, rejects_set_n;
 static __u64 *blessed_reg, blessed_n;
 
+static bool filter_reg(__u64 reg)
+{
+	/*
+	 * DEMUX register presence depends on the host's CLIDR_EL1.
+	 * This means there's no set of them that we can bless.
+	 */
+	if ((reg & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_DEMUX)
+		return true;
+
+	return false;
+}
+
 static bool find_reg(__u64 regs[], __u64 nr_regs, __u64 reg)
 {
 	int i;
@@ -325,7 +341,7 @@
 	struct kvm_vcpu_init init = { .target = -1, };
 	int new_regs = 0, missing_regs = 0, i;
 	int failed_get = 0, failed_set = 0, failed_reject = 0;
-	bool print_list = false, fixup_core_regs = false;
+	bool print_list = false, print_filtered = false, fixup_core_regs = false;
 	struct kvm_vm *vm;
 	__u64 *vec_regs;
 
@@ -336,8 +352,10 @@
 			fixup_core_regs = true;
 		else if (strcmp(av[i], "--list") == 0)
 			print_list = true;
+		else if (strcmp(av[i], "--list-filtered") == 0)
+			print_filtered = true;
 		else
-			fprintf(stderr, "Ignoring unknown option: %s\n", av[i]);
+			TEST_FAIL("Unknown option: %s\n", av[i]);
 	}
 
 	vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
@@ -350,10 +368,14 @@
 	if (fixup_core_regs)
 		core_reg_fixup();
 
-	if (print_list) {
+	if (print_list || print_filtered) {
 		putchar('\n');
-		for_each_reg(i)
-			print_reg(reg_list->reg[i]);
+		for_each_reg(i) {
+			__u64 id = reg_list->reg[i];
+			if ((print_list && !filter_reg(id)) ||
+			    (print_filtered && filter_reg(id)))
+				print_reg(id);
+		}
 		putchar('\n');
 		return 0;
 	}
@@ -458,6 +480,8 @@
 /*
  * The current blessed list was primed with the output of kernel version
  * v4.15 with --core-reg-fixup and then later updated with new registers.
+ *
+ * The blessed list is up to date with kernel version v5.10-rc5
  */
 static __u64 base_regs[] = {
 	KVM_REG_ARM64 | KVM_REG_SIZE_U64 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(regs.regs[0]),
@@ -736,9 +760,6 @@
 	ARM64_SYS_REG(3, 4, 3, 0, 0),	/* DACR32_EL2 */
 	ARM64_SYS_REG(3, 4, 5, 0, 1),	/* IFSR32_EL2 */
 	ARM64_SYS_REG(3, 4, 5, 3, 0),	/* FPEXC32_EL2 */
-	KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX | KVM_REG_ARM_DEMUX_ID_CCSIDR | 0,
-	KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX | KVM_REG_ARM_DEMUX_ID_CCSIDR | 1,
-	KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX | KVM_REG_ARM_DEMUX_ID_CCSIDR | 2,
 };
 static __u64 base_regs_n = ARRAY_SIZE(base_regs);
 
diff --git a/tools/testing/selftests/kvm/aarch64/s2mpu.sh b/tools/testing/selftests/kvm/aarch64/s2mpu.sh
new file mode 100755
index 0000000..e822965
--- /dev/null
+++ b/tools/testing/selftests/kvm/aarch64/s2mpu.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# Tests the printf infrastructure using test_printf kernel module.
+$(dirname $0)/../kselftest/module.sh "s2mpu" test_kvm_s2mpu
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/Makefile b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
index af3df79..c5ecb46 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-include ../../../../../../scripts/Kbuild.include
+include ../../../../../build/Build.include
 
 noarg:
 	$(MAKE) -C ../../
diff --git a/tools/testing/selftests/seccomp/seccomp_benchmark.c b/tools/testing/selftests/seccomp/seccomp_benchmark.c
index 91f5a89..fcc8065 100644
--- a/tools/testing/selftests/seccomp/seccomp_benchmark.c
+++ b/tools/testing/selftests/seccomp/seccomp_benchmark.c
@@ -4,12 +4,16 @@
  */
 #define _GNU_SOURCE
 #include <assert.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
 #include <unistd.h>
 #include <linux/filter.h>
 #include <linux/seccomp.h>
+#include <sys/param.h>
 #include <sys/prctl.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
@@ -70,18 +74,74 @@
 	return samples * seconds;
 }
 
+bool approx(int i_one, int i_two)
+{
+	double one = i_one, one_bump = one * 0.01;
+	double two = i_two, two_bump = two * 0.01;
+
+	one_bump = one + MAX(one_bump, 2.0);
+	two_bump = two + MAX(two_bump, 2.0);
+
+	/* Equal to, or within 1% or 2 digits */
+	if (one == two ||
+	    (one > two && one <= two_bump) ||
+	    (two > one && two <= one_bump))
+		return true;
+	return false;
+}
+
+bool le(int i_one, int i_two)
+{
+	if (i_one <= i_two)
+		return true;
+	return false;
+}
+
+long compare(const char *name_one, const char *name_eval, const char *name_two,
+	     unsigned long long one, bool (*eval)(int, int), unsigned long long two)
+{
+	bool good;
+
+	printf("\t%s %s %s (%lld %s %lld): ", name_one, name_eval, name_two,
+	       (long long)one, name_eval, (long long)two);
+	if (one > INT_MAX) {
+		printf("Miscalculation! Measurement went negative: %lld\n", (long long)one);
+		return 1;
+	}
+	if (two > INT_MAX) {
+		printf("Miscalculation! Measurement went negative: %lld\n", (long long)two);
+		return 1;
+	}
+
+	good = eval(one, two);
+	printf("%s\n", good ? "✔️" : "❌");
+
+	return good ? 0 : 1;
+}
+
 int main(int argc, char *argv[])
 {
+	struct sock_filter bitmap_filter[] = {
+		BPF_STMT(BPF_LD|BPF_W|BPF_ABS, offsetof(struct seccomp_data, nr)),
+		BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
+	};
+	struct sock_fprog bitmap_prog = {
+		.len = (unsigned short)ARRAY_SIZE(bitmap_filter),
+		.filter = bitmap_filter,
+	};
 	struct sock_filter filter[] = {
+		BPF_STMT(BPF_LD|BPF_W|BPF_ABS, offsetof(struct seccomp_data, args[0])),
 		BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
 	};
 	struct sock_fprog prog = {
 		.len = (unsigned short)ARRAY_SIZE(filter),
 		.filter = filter,
 	};
-	long ret;
-	unsigned long long samples;
-	unsigned long long native, filter1, filter2;
+
+	long ret, bits;
+	unsigned long long samples, calc;
+	unsigned long long native, filter1, filter2, bitmap1, bitmap2;
+	unsigned long long entry, per_filter1, per_filter2;
 
 	printf("Current BPF sysctl settings:\n");
 	system("sysctl net.core.bpf_jit_enable");
@@ -101,35 +161,82 @@
 	ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
 	assert(ret == 0);
 
-	/* One filter */
+	/* One filter resulting in a bitmap */
+	ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &bitmap_prog);
+	assert(ret == 0);
+
+	bitmap1 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
+	printf("getpid RET_ALLOW 1 filter (bitmap): %llu ns\n", bitmap1);
+
+	/* Second filter resulting in a bitmap */
+	ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &bitmap_prog);
+	assert(ret == 0);
+
+	bitmap2 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
+	printf("getpid RET_ALLOW 2 filters (bitmap): %llu ns\n", bitmap2);
+
+	/* Third filter, can no longer be converted to bitmap */
 	ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog);
 	assert(ret == 0);
 
 	filter1 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
-	printf("getpid RET_ALLOW 1 filter: %llu ns\n", filter1);
+	printf("getpid RET_ALLOW 3 filters (full): %llu ns\n", filter1);
 
-	if (filter1 == native)
-		printf("No overhead measured!? Try running again with more samples.\n");
-
-	/* Two filters */
-	ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog);
+	/* Fourth filter, can not be converted to bitmap because of filter 3 */
+	ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &bitmap_prog);
 	assert(ret == 0);
 
 	filter2 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
-	printf("getpid RET_ALLOW 2 filters: %llu ns\n", filter2);
+	printf("getpid RET_ALLOW 4 filters (full): %llu ns\n", filter2);
 
-	/* Calculations */
-	printf("Estimated total seccomp overhead for 1 filter: %llu ns\n",
-		filter1 - native);
+	/* Estimations */
+#define ESTIMATE(fmt, var, what)	do {			\
+		var = (what);					\
+		printf("Estimated " fmt ": %llu ns\n", var);	\
+		if (var > INT_MAX)				\
+			goto more_samples;			\
+	} while (0)
 
-	printf("Estimated total seccomp overhead for 2 filters: %llu ns\n",
-		filter2 - native);
+	ESTIMATE("total seccomp overhead for 1 bitmapped filter", calc,
+		 bitmap1 - native);
+	ESTIMATE("total seccomp overhead for 2 bitmapped filters", calc,
+		 bitmap2 - native);
+	ESTIMATE("total seccomp overhead for 3 full filters", calc,
+		 filter1 - native);
+	ESTIMATE("total seccomp overhead for 4 full filters", calc,
+		 filter2 - native);
+	ESTIMATE("seccomp entry overhead", entry,
+		 bitmap1 - native - (bitmap2 - bitmap1));
+	ESTIMATE("seccomp per-filter overhead (last 2 diff)", per_filter1,
+		 filter2 - filter1);
+	ESTIMATE("seccomp per-filter overhead (filters / 4)", per_filter2,
+		 (filter2 - native - entry) / 4);
 
-	printf("Estimated seccomp per-filter overhead: %llu ns\n",
-		filter2 - filter1);
+	printf("Expectations:\n");
+	ret |= compare("native", "≤", "1 bitmap", native, le, bitmap1);
+	bits = compare("native", "≤", "1 filter", native, le, filter1);
+	if (bits)
+		goto more_samples;
 
-	printf("Estimated seccomp entry overhead: %llu ns\n",
-		filter1 - native - (filter2 - filter1));
+	ret |= compare("per-filter (last 2 diff)", "≈", "per-filter (filters / 4)",
+			per_filter1, approx, per_filter2);
 
+	bits = compare("1 bitmapped", "≈", "2 bitmapped",
+			bitmap1 - native, approx, bitmap2 - native);
+	if (bits) {
+		printf("Skipping constant action bitmap expectations: they appear unsupported.\n");
+		goto out;
+	}
+
+	ret |= compare("entry", "≈", "1 bitmapped", entry, approx, bitmap1 - native);
+	ret |= compare("entry", "≈", "2 bitmapped", entry, approx, bitmap2 - native);
+	ret |= compare("native + entry + (per filter * 4)", "≈", "4 filters total",
+			entry + (per_filter1 * 4) + native, approx, filter2);
+	if (ret == 0)
+		goto out;
+
+more_samples:
+	printf("Saw unexpected benchmark result. Try running again with more samples?\n");
+out:
 	return 0;
 }
diff --git a/tools/testing/selftests/seccomp/settings b/tools/testing/selftests/seccomp/settings
index ba4d85f..6091b45 100644
--- a/tools/testing/selftests/seccomp/settings
+++ b/tools/testing/selftests/seccomp/settings
@@ -1 +1 @@
-timeout=90
+timeout=120
diff --git a/tools/testing/selftests/vm/mremap_dontunmap.c b/tools/testing/selftests/vm/mremap_dontunmap.c
index 3a7b5ef..f01dc4a 100644
--- a/tools/testing/selftests/vm/mremap_dontunmap.c
+++ b/tools/testing/selftests/vm/mremap_dontunmap.c
@@ -127,6 +127,57 @@
 	       "unable to unmap source mapping");
 }
 
+// This test validates that MREMAP_DONTUNMAP on a shared mapping works as expected.
+static void mremap_dontunmap_simple_shmem()
+{
+	unsigned long num_pages = 5;
+
+	int mem_fd = memfd_create("memfd", MFD_CLOEXEC);
+	BUG_ON(mem_fd < 0, "memfd_create");
+
+	BUG_ON(ftruncate(mem_fd, num_pages * page_size) < 0,
+			"ftruncate");
+
+	void *source_mapping =
+	    mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE,
+		 MAP_FILE | MAP_SHARED, mem_fd, 0);
+	BUG_ON(source_mapping == MAP_FAILED, "mmap");
+
+	BUG_ON(close(mem_fd) < 0, "close");
+
+	memset(source_mapping, 'a', num_pages * page_size);
+
+	// Try to just move the whole mapping anywhere (not fixed).
+	void *dest_mapping =
+	    mremap(source_mapping, num_pages * page_size, num_pages * page_size,
+		   MREMAP_DONTUNMAP | MREMAP_MAYMOVE, NULL);
+	if (dest_mapping == MAP_FAILED && errno == EINVAL) {
+		// Old kernel which doesn't support MREMAP_DONTUNMAP on shmem.
+		BUG_ON(munmap(source_mapping, num_pages * page_size) == -1,
+			"unable to unmap source mapping");
+		return;
+	}
+
+	BUG_ON(dest_mapping == MAP_FAILED, "mremap");
+
+	// Validate that the pages have been moved, we know they were moved if
+	// the dest_mapping contains a's.
+	BUG_ON(check_region_contains_byte
+	       (dest_mapping, num_pages * page_size, 'a') != 0,
+	       "pages did not migrate");
+
+	// Because the region is backed by shmem, we will actually see the same
+	// memory at the source location still.
+	BUG_ON(check_region_contains_byte
+	       (source_mapping, num_pages * page_size, 'a') != 0,
+	       "source should have no ptes");
+
+	BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1,
+	       "unable to unmap destination mapping");
+	BUG_ON(munmap(source_mapping, num_pages * page_size) == -1,
+	       "unable to unmap source mapping");
+}
+
 // This test validates MREMAP_DONTUNMAP will move page tables to a specific
 // destination using MREMAP_FIXED, also while validating that the source
 // remains intact.
@@ -300,6 +351,7 @@
 	BUG_ON(page_buffer == MAP_FAILED, "unable to mmap a page.");
 
 	mremap_dontunmap_simple();
+	mremap_dontunmap_simple_shmem();
 	mremap_dontunmap_simple_fixed();
 	mremap_dontunmap_partial_mapping();
 	mremap_dontunmap_partial_mapping_overwrite();
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index 034245ea..a2217f7 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -80,12 +80,16 @@
 static volatile bool test_uffdio_zeropage_eexist = true;
 /* Whether to test uffd write-protection */
 static bool test_uffdio_wp = false;
+/* Whether to test uffd minor faults */
+static bool test_uffdio_minor = false;
 
 static bool map_shared;
+static int shm_fd;
 static int huge_fd;
 static char *huge_fd_off0;
 static unsigned long long *count_verify;
-static int uffd, uffd_flags, finished, *pipefd;
+static int uffd = -1;
+static int uffd_flags, finished, *pipefd;
 static char *area_src, *area_src_alias, *area_dst, *area_dst_alias;
 static char *zeropage;
 pthread_attr_t attr;
@@ -95,6 +99,7 @@
 	int cpu;
 	unsigned long missing_faults;
 	unsigned long wp_faults;
+	unsigned long minor_faults;
 };
 
 /* pthread_mutex_t starts at page offset 0 */
@@ -136,6 +141,20 @@
 	exit(1);
 }
 
+#define _err(fmt, ...)						\
+	do {							\
+		int ret = errno;				\
+		fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__);	\
+		fprintf(stderr, " (errno=%d, line=%d)\n",	\
+			ret, __LINE__);				\
+	} while (0)
+
+#define err(fmt, ...)				\
+	do {					\
+		_err(fmt, ##__VA_ARGS__);	\
+		exit(1);			\
+	} while (0)
+
 static void uffd_stats_reset(struct uffd_stats *uffd_stats,
 			     unsigned long n_cpus)
 {
@@ -145,68 +164,67 @@
 		uffd_stats[i].cpu = i;
 		uffd_stats[i].missing_faults = 0;
 		uffd_stats[i].wp_faults = 0;
+		uffd_stats[i].minor_faults = 0;
 	}
 }
 
 static void uffd_stats_report(struct uffd_stats *stats, int n_cpus)
 {
 	int i;
-	unsigned long long miss_total = 0, wp_total = 0;
+	unsigned long long miss_total = 0, wp_total = 0, minor_total = 0;
 
 	for (i = 0; i < n_cpus; i++) {
 		miss_total += stats[i].missing_faults;
 		wp_total += stats[i].wp_faults;
+		minor_total += stats[i].minor_faults;
 	}
 
-	printf("userfaults: %llu missing (", miss_total);
-	for (i = 0; i < n_cpus; i++)
-		printf("%lu+", stats[i].missing_faults);
-	printf("\b), %llu wp (", wp_total);
-	for (i = 0; i < n_cpus; i++)
-		printf("%lu+", stats[i].wp_faults);
-	printf("\b)\n");
+	printf("userfaults: ");
+	if (miss_total) {
+		printf("%llu missing (", miss_total);
+		for (i = 0; i < n_cpus; i++)
+			printf("%lu+", stats[i].missing_faults);
+		printf("\b) ");
+	}
+	if (wp_total) {
+		printf("%llu wp (", wp_total);
+		for (i = 0; i < n_cpus; i++)
+			printf("%lu+", stats[i].wp_faults);
+		printf("\b) ");
+	}
+	if (minor_total) {
+		printf("%llu minor (", minor_total);
+		for (i = 0; i < n_cpus; i++)
+			printf("%lu+", stats[i].minor_faults);
+		printf("\b)");
+	}
+	printf("\n");
 }
 
-static int anon_release_pages(char *rel_area)
+static void anon_release_pages(char *rel_area)
 {
-	int ret = 0;
-
-	if (madvise(rel_area, nr_pages * page_size, MADV_DONTNEED)) {
-		perror("madvise");
-		ret = 1;
-	}
-
-	return ret;
+	if (madvise(rel_area, nr_pages * page_size, MADV_DONTNEED))
+		err("madvise(MADV_DONTNEED) failed");
 }
 
 static void anon_allocate_area(void **alloc_area)
 {
 	*alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
 			   MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-	if (*alloc_area == MAP_FAILED) {
-		fprintf(stderr, "mmap of anonymous memory failed");
-		*alloc_area = NULL;
-	}
+	if (*alloc_area == MAP_FAILED)
+		err("posix_memalign() failed");
 }
 
 static void noop_alias_mapping(__u64 *start, size_t len, unsigned long offset)
 {
 }
 
-/* HugeTLB memory */
-static int hugetlb_release_pages(char *rel_area)
+static void hugetlb_release_pages(char *rel_area)
 {
-	int ret = 0;
-
 	if (fallocate(huge_fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
-				rel_area == huge_fd_off0 ? 0 :
-				nr_pages * page_size,
-				nr_pages * page_size)) {
-		perror("fallocate");
-		ret = 1;
-	}
-
-	return ret;
+		      rel_area == huge_fd_off0 ? 0 : nr_pages * page_size,
+		      nr_pages * page_size))
+		err("fallocate() failed");
 }
 
 static void hugetlb_allocate_area(void **alloc_area)
@@ -219,20 +237,16 @@
 			   MAP_HUGETLB,
 			   huge_fd, *alloc_area == area_src ? 0 :
 			   nr_pages * page_size);
-	if (*alloc_area == MAP_FAILED) {
-		perror("mmap of hugetlbfs file failed");
-		goto fail;
-	}
+	if (*alloc_area == MAP_FAILED)
+		err("mmap of hugetlbfs file failed");
 
 	if (map_shared) {
 		area_alias = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
 				  MAP_SHARED | MAP_HUGETLB,
 				  huge_fd, *alloc_area == area_src ? 0 :
 				  nr_pages * page_size);
-		if (area_alias == MAP_FAILED) {
-			perror("mmap of hugetlb file alias failed");
-			goto fail_munmap;
-		}
+		if (area_alias == MAP_FAILED)
+			err("mmap of hugetlb file alias failed");
 	}
 
 	if (*alloc_area == area_src) {
@@ -241,18 +255,9 @@
 	} else {
 		alloc_area_alias = &area_dst_alias;
 	}
+
 	if (area_alias)
 		*alloc_area_alias = area_alias;
-
-	return;
-
-fail_munmap:
-	if (munmap(*alloc_area, nr_pages * page_size) < 0) {
-		perror("hugetlb munmap");
-		exit(1);
-	}
-fail:
-	*alloc_area = NULL;
 }
 
 static void hugetlb_alias_mapping(__u64 *start, size_t len, unsigned long offset)
@@ -268,33 +273,43 @@
 	*start = (unsigned long) area_dst_alias + offset;
 }
 
-/* Shared memory */
-static int shmem_release_pages(char *rel_area)
+static void shmem_release_pages(char *rel_area)
 {
-	int ret = 0;
-
-	if (madvise(rel_area, nr_pages * page_size, MADV_REMOVE)) {
-		perror("madvise");
-		ret = 1;
-	}
-
-	return ret;
+	if (madvise(rel_area, nr_pages * page_size, MADV_REMOVE))
+		err("madvise(MADV_REMOVE) failed");
 }
 
 static void shmem_allocate_area(void **alloc_area)
 {
+	void *area_alias = NULL;
+	bool is_src = alloc_area == (void **)&area_src;
+	unsigned long offset = is_src ? 0 : nr_pages * page_size;
+
 	*alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
-			   MAP_ANONYMOUS | MAP_SHARED, -1, 0);
-	if (*alloc_area == MAP_FAILED) {
-		fprintf(stderr, "shared memory mmap failed\n");
-		*alloc_area = NULL;
-	}
+			   MAP_SHARED, shm_fd, offset);
+	if (*alloc_area == MAP_FAILED)
+		err("mmap of memfd failed");
+
+	area_alias = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
+			  MAP_SHARED, shm_fd, offset);
+	if (area_alias == MAP_FAILED)
+		err("mmap of memfd alias failed");
+
+	if (is_src)
+		area_src_alias = area_alias;
+	else
+		area_dst_alias = area_alias;
+}
+
+static void shmem_alias_mapping(__u64 *start, size_t len, unsigned long offset)
+{
+	*start = (unsigned long)area_dst_alias + offset;
 }
 
 struct uffd_test_ops {
 	unsigned long expected_ioctls;
 	void (*allocate_area)(void **alloc_area);
-	int (*release_pages)(char *rel_area);
+	void (*release_pages)(char *rel_area);
 	void (*alias_mapping)(__u64 *start, size_t len, unsigned long offset);
 };
 
@@ -318,11 +333,11 @@
 	.expected_ioctls = SHMEM_EXPECTED_IOCTLS,
 	.allocate_area	= shmem_allocate_area,
 	.release_pages	= shmem_release_pages,
-	.alias_mapping = noop_alias_mapping,
+	.alias_mapping = shmem_alias_mapping,
 };
 
 static struct uffd_test_ops hugetlb_uffd_test_ops = {
-	.expected_ioctls = UFFD_API_RANGE_IOCTLS_BASIC,
+	.expected_ioctls = UFFD_API_RANGE_IOCTLS_BASIC & ~(1 << _UFFDIO_CONTINUE),
 	.allocate_area	= hugetlb_allocate_area,
 	.release_pages	= hugetlb_release_pages,
 	.alias_mapping = hugetlb_alias_mapping,
@@ -330,6 +345,128 @@
 
 static struct uffd_test_ops *uffd_test_ops;
 
+static void userfaultfd_open(uint64_t *features)
+{
+	struct uffdio_api uffdio_api;
+
+	uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK | UFFD_USER_MODE_ONLY);
+	if (uffd < 0)
+		err("userfaultfd syscall not available in this kernel");
+	uffd_flags = fcntl(uffd, F_GETFD, NULL);
+
+	uffdio_api.api = UFFD_API;
+	uffdio_api.features = *features;
+	if (ioctl(uffd, UFFDIO_API, &uffdio_api))
+		err("UFFDIO_API failed.\nPlease make sure to "
+		    "run with either root or ptrace capability.");
+	if (uffdio_api.api != UFFD_API)
+		err("UFFDIO_API error: %" PRIu64, (uint64_t)uffdio_api.api);
+
+	*features = uffdio_api.features;
+}
+
+static inline void munmap_area(void **area)
+{
+	if (*area)
+		if (munmap(*area, nr_pages * page_size))
+			err("munmap");
+
+	*area = NULL;
+}
+
+static void uffd_test_ctx_clear(void)
+{
+	size_t i;
+
+	if (pipefd) {
+		for (i = 0; i < nr_cpus * 2; ++i) {
+			if (close(pipefd[i]))
+				err("close pipefd");
+		}
+		free(pipefd);
+		pipefd = NULL;
+	}
+
+	if (count_verify) {
+		free(count_verify);
+		count_verify = NULL;
+	}
+
+	if (uffd != -1) {
+		if (close(uffd))
+			err("close uffd");
+		uffd = -1;
+	}
+
+	huge_fd_off0 = NULL;
+	munmap_area((void **)&area_src);
+	munmap_area((void **)&area_src_alias);
+	munmap_area((void **)&area_dst);
+	munmap_area((void **)&area_dst_alias);
+}
+
+static void uffd_test_ctx_init_ext(uint64_t *features)
+{
+	unsigned long nr, cpu;
+
+	uffd_test_ctx_clear();
+
+	uffd_test_ops->allocate_area((void **)&area_src);
+	uffd_test_ops->allocate_area((void **)&area_dst);
+
+	userfaultfd_open(features);
+
+	count_verify = malloc(nr_pages * sizeof(unsigned long long));
+	if (!count_verify)
+		err("count_verify");
+
+	for (nr = 0; nr < nr_pages; nr++) {
+		*area_mutex(area_src, nr) =
+			(pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;
+		count_verify[nr] = *area_count(area_src, nr) = 1;
+		/*
+		 * In the transition between 255 to 256, powerpc will
+		 * read out of order in my_bcmp and see both bytes as
+		 * zero, so leave a placeholder below always non-zero
+		 * after the count, to avoid my_bcmp to trigger false
+		 * positives.
+		 */
+		*(area_count(area_src, nr) + 1) = 1;
+	}
+
+	/*
+	 * After initialization of area_src, we must explicitly release pages
+	 * for area_dst to make sure it's fully empty.  Otherwise we could have
+	 * some area_dst pages be errornously initialized with zero pages,
+	 * hence we could hit memory corruption later in the test.
+	 *
+	 * One example is when THP is globally enabled, above allocate_area()
+	 * calls could have the two areas merged into a single VMA (as they
+	 * will have the same VMA flags so they're mergeable).  When we
+	 * initialize the area_src above, it's possible that some part of
+	 * area_dst could have been faulted in via one huge THP that will be
+	 * shared between area_src and area_dst.  It could cause some of the
+	 * area_dst won't be trapped by missing userfaults.
+	 *
+	 * This release_pages() will guarantee even if that happened, we'll
+	 * proactively split the thp and drop any accidentally initialized
+	 * pages within area_dst.
+	 */
+	uffd_test_ops->release_pages(area_dst);
+
+	pipefd = malloc(sizeof(int) * nr_cpus * 2);
+	if (!pipefd)
+		err("pipefd");
+	for (cpu = 0; cpu < nr_cpus; cpu++)
+		if (pipe2(&pipefd[cpu * 2], O_CLOEXEC | O_NONBLOCK))
+			err("pipe");
+}
+
+static inline void uffd_test_ctx_init(uint64_t features)
+{
+	uffd_test_ctx_init_ext(&features);
+}
+
 static int my_bcmp(char *str1, char *str2, size_t n)
 {
 	unsigned long i;
@@ -349,10 +486,33 @@
 	/* Undo write-protect, do wakeup after that */
 	prms.mode = wp ? UFFDIO_WRITEPROTECT_MODE_WP : 0;
 
-	if (ioctl(ufd, UFFDIO_WRITEPROTECT, &prms)) {
-		fprintf(stderr, "clear WP failed for address 0x%Lx\n", start);
-		exit(1);
-	}
+	if (ioctl(ufd, UFFDIO_WRITEPROTECT, &prms))
+		err("clear WP failed: address=0x%"PRIx64, (uint64_t)start);
+}
+
+static void continue_range(int ufd, __u64 start, __u64 len)
+{
+	struct uffdio_continue req;
+	int ret;
+
+	req.range.start = start;
+	req.range.len = len;
+	req.mode = 0;
+
+	if (ioctl(ufd, UFFDIO_CONTINUE, &req))
+		err("UFFDIO_CONTINUE failed for address 0x%" PRIx64,
+		    (uint64_t)start);
+
+	/*
+	 * Error handling within the kernel for continue is subtly different
+	 * from copy or zeropage, so it may be a source of bugs. Trigger an
+	 * error (-EEXIST) on purpose, to verify doing so doesn't cause a BUG.
+	 */
+	req.mapped = 0;
+	ret = ioctl(ufd, UFFDIO_CONTINUE, &req);
+	if (ret >= 0 || req.mapped != -EEXIST)
+		err("failed to exercise UFFDIO_CONTINUE error handling, ret=%d, mapped=%" PRId64,
+		    ret, (int64_t) req.mapped);
 }
 
 static void *locking_thread(void *arg)
@@ -364,7 +524,6 @@
 	unsigned long long count;
 	char randstate[64];
 	unsigned int seed;
-	time_t start;
 
 	if (bounces & BOUNCE_RANDOM) {
 		seed = (unsigned int) time(NULL) - bounces;
@@ -372,10 +531,8 @@
 			seed += cpu;
 		bzero(&rand, sizeof(rand));
 		bzero(&randstate, sizeof(randstate));
-		if (initstate_r(seed, randstate, sizeof(randstate), &rand)) {
-			fprintf(stderr, "srandom_r error\n");
-			exit(1);
-		}
+		if (initstate_r(seed, randstate, sizeof(randstate), &rand))
+			err("initstate_r failed");
 	} else {
 		page_nr = -bounces;
 		if (!(bounces & BOUNCE_RACINGFAULTS))
@@ -384,92 +541,26 @@
 
 	while (!finished) {
 		if (bounces & BOUNCE_RANDOM) {
-			if (random_r(&rand, &rand_nr)) {
-				fprintf(stderr, "random_r 1 error\n");
-				exit(1);
-			}
+			if (random_r(&rand, &rand_nr))
+				err("random_r failed");
 			page_nr = rand_nr;
 			if (sizeof(page_nr) > sizeof(rand_nr)) {
-				if (random_r(&rand, &rand_nr)) {
-					fprintf(stderr, "random_r 2 error\n");
-					exit(1);
-				}
+				if (random_r(&rand, &rand_nr))
+					err("random_r failed");
 				page_nr |= (((unsigned long) rand_nr) << 16) <<
 					   16;
 			}
 		} else
 			page_nr += 1;
 		page_nr %= nr_pages;
-
-		start = time(NULL);
-		if (bounces & BOUNCE_VERIFY) {
-			count = *area_count(area_dst, page_nr);
-			if (!count) {
-				fprintf(stderr,
-					"page_nr %lu wrong count %Lu %Lu\n",
-					page_nr, count,
-					count_verify[page_nr]);
-				exit(1);
-			}
-
-
-			/*
-			 * We can't use bcmp (or memcmp) because that
-			 * returns 0 erroneously if the memory is
-			 * changing under it (even if the end of the
-			 * page is never changing and always
-			 * different).
-			 */
-#if 1
-			if (!my_bcmp(area_dst + page_nr * page_size, zeropage,
-				     page_size)) {
-				fprintf(stderr,
-					"my_bcmp page_nr %lu wrong count %Lu %Lu\n",
-					page_nr, count, count_verify[page_nr]);
-				exit(1);
-			}
-#else
-			unsigned long loops;
-
-			loops = 0;
-			/* uncomment the below line to test with mutex */
-			/* pthread_mutex_lock(area_mutex(area_dst, page_nr)); */
-			while (!bcmp(area_dst + page_nr * page_size, zeropage,
-				     page_size)) {
-				loops += 1;
-				if (loops > 10)
-					break;
-			}
-			/* uncomment below line to test with mutex */
-			/* pthread_mutex_unlock(area_mutex(area_dst, page_nr)); */
-			if (loops) {
-				fprintf(stderr,
-					"page_nr %lu all zero thread %lu %p %lu\n",
-					page_nr, cpu, area_dst + page_nr * page_size,
-					loops);
-				if (loops > 10)
-					exit(1);
-			}
-#endif
-		}
-
 		pthread_mutex_lock(area_mutex(area_dst, page_nr));
 		count = *area_count(area_dst, page_nr);
-		if (count != count_verify[page_nr]) {
-			fprintf(stderr,
-				"page_nr %lu memory corruption %Lu %Lu\n",
-				page_nr, count,
-				count_verify[page_nr]); exit(1);
-		}
+		if (count != count_verify[page_nr])
+			err("page_nr %lu memory corruption %llu %llu",
+			    page_nr, count, count_verify[page_nr]);
 		count++;
 		*area_count(area_dst, page_nr) = count_verify[page_nr] = count;
 		pthread_mutex_unlock(area_mutex(area_dst, page_nr));
-
-		if (time(NULL) - start > 1)
-			fprintf(stderr,
-				"userfault too slow %ld "
-				"possible false positive with overcommit\n",
-				time(NULL) - start);
 	}
 
 	return NULL;
@@ -483,14 +574,12 @@
 				     offset);
 	if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) {
 		/* real retval in ufdio_copy.copy */
-		if (uffdio_copy->copy != -EEXIST) {
-			fprintf(stderr, "UFFDIO_COPY retry error %Ld\n",
-				uffdio_copy->copy);
-			exit(1);
-		}
+		if (uffdio_copy->copy != -EEXIST)
+			err("UFFDIO_COPY retry error: %"PRId64,
+			    (int64_t)uffdio_copy->copy);
 	} else {
-		fprintf(stderr,	"UFFDIO_COPY retry unexpected %Ld\n",
-			uffdio_copy->copy); exit(1);
+		err("UFFDIO_COPY retry unexpected: %"PRId64,
+		    (int64_t)uffdio_copy->copy);
 	}
 }
 
@@ -498,10 +587,8 @@
 {
 	struct uffdio_copy uffdio_copy;
 
-	if (offset >= nr_pages * page_size) {
-		fprintf(stderr, "unexpected offset %lu\n", offset);
-		exit(1);
-	}
+	if (offset >= nr_pages * page_size)
+		err("unexpected offset %lu\n", offset);
 	uffdio_copy.dst = (unsigned long) area_dst + offset;
 	uffdio_copy.src = (unsigned long) area_src + offset;
 	uffdio_copy.len = page_size;
@@ -512,14 +599,11 @@
 	uffdio_copy.copy = 0;
 	if (ioctl(ufd, UFFDIO_COPY, &uffdio_copy)) {
 		/* real retval in ufdio_copy.copy */
-		if (uffdio_copy.copy != -EEXIST) {
-			fprintf(stderr, "UFFDIO_COPY error %Ld\n",
-				uffdio_copy.copy);
-			exit(1);
-		}
+		if (uffdio_copy.copy != -EEXIST)
+			err("UFFDIO_COPY error: %"PRId64,
+			    (int64_t)uffdio_copy.copy);
 	} else if (uffdio_copy.copy != page_size) {
-		fprintf(stderr, "UFFDIO_COPY unexpected copy %Ld\n",
-			uffdio_copy.copy); exit(1);
+		err("UFFDIO_COPY error: %"PRId64, (int64_t)uffdio_copy.copy);
 	} else {
 		if (test_uffdio_copy_eexist && retry) {
 			test_uffdio_copy_eexist = false;
@@ -548,11 +632,10 @@
 		if (ret < 0) {
 			if (errno == EAGAIN)
 				return 1;
-			perror("blocking read error");
+			err("blocking read error");
 		} else {
-			fprintf(stderr, "short read\n");
+			err("short read");
 		}
-		exit(1);
 	}
 
 	return 0;
@@ -563,21 +646,40 @@
 {
 	unsigned long offset;
 
-	if (msg->event != UFFD_EVENT_PAGEFAULT) {
-		fprintf(stderr, "unexpected msg event %u\n", msg->event);
-		exit(1);
-	}
+	if (msg->event != UFFD_EVENT_PAGEFAULT)
+		err("unexpected msg event %u", msg->event);
 
 	if (msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WP) {
+		/* Write protect page faults */
 		wp_range(uffd, msg->arg.pagefault.address, page_size, false);
 		stats->wp_faults++;
+	} else if (msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_MINOR) {
+		uint8_t *area;
+		int b;
+
+		/*
+		 * Minor page faults
+		 *
+		 * To prove we can modify the original range for testing
+		 * purposes, we're going to bit flip this range before
+		 * continuing.
+		 *
+		 * Note that this requires all minor page fault tests operate on
+		 * area_dst (non-UFFD-registered) and area_dst_alias
+		 * (UFFD-registered).
+		 */
+
+		area = (uint8_t *)(area_dst +
+				   ((char *)msg->arg.pagefault.address -
+				    area_dst_alias));
+		for (b = 0; b < page_size; ++b)
+			area[b] = ~area[b];
+		continue_range(uffd, msg->arg.pagefault.address, page_size);
+		stats->minor_faults++;
 	} else {
 		/* Missing page faults */
-		if (bounces & BOUNCE_VERIFY &&
-		    msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WRITE) {
-			fprintf(stderr, "unexpected write fault\n");
-			exit(1);
-		}
+		if (msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WRITE)
+			err("unexpected write fault");
 
 		offset = (char *)(unsigned long)msg->arg.pagefault.address - area_dst;
 		offset &= ~(page_size-1);
@@ -604,32 +706,20 @@
 
 	for (;;) {
 		ret = poll(pollfd, 2, -1);
-		if (!ret) {
-			fprintf(stderr, "poll error %d\n", ret);
-			exit(1);
-		}
-		if (ret < 0) {
-			perror("poll");
-			exit(1);
-		}
+		if (ret <= 0)
+			err("poll error: %d", ret);
 		if (pollfd[1].revents & POLLIN) {
-			if (read(pollfd[1].fd, &tmp_chr, 1) != 1) {
-				fprintf(stderr, "read pipefd error\n");
-				exit(1);
-			}
+			if (read(pollfd[1].fd, &tmp_chr, 1) != 1)
+				err("read pipefd error");
 			break;
 		}
-		if (!(pollfd[0].revents & POLLIN)) {
-			fprintf(stderr, "pollfd[0].revents %d\n",
-				pollfd[0].revents);
-			exit(1);
-		}
+		if (!(pollfd[0].revents & POLLIN))
+			err("pollfd[0].revents %d", pollfd[0].revents);
 		if (uffd_read_msg(uffd, &msg))
 			continue;
 		switch (msg.event) {
 		default:
-			fprintf(stderr, "unexpected msg event %u\n",
-				msg.event); exit(1);
+			err("unexpected msg event %u\n", msg.event);
 			break;
 		case UFFD_EVENT_PAGEFAULT:
 			uffd_handle_page_fault(&msg, stats);
@@ -643,10 +733,8 @@
 			uffd_reg.range.start = msg.arg.remove.start;
 			uffd_reg.range.len = msg.arg.remove.end -
 				msg.arg.remove.start;
-			if (ioctl(uffd, UFFDIO_UNREGISTER, &uffd_reg.range)) {
-				fprintf(stderr, "remove failure\n");
-				exit(1);
-			}
+			if (ioctl(uffd, UFFDIO_UNREGISTER, &uffd_reg.range))
+				err("remove failure");
 			break;
 		case UFFD_EVENT_REMAP:
 			area_dst = (char *)(unsigned long)msg.arg.remap.to;
@@ -749,9 +837,7 @@
 	 * UFFDIO_COPY without writing zero pages into area_dst
 	 * because the background threads already completed).
 	 */
-	if (uffd_test_ops->release_pages(area_src))
-		return 1;
-
+	uffd_test_ops->release_pages(area_src);
 
 	finished = 1;
 	for (cpu = 0; cpu < nr_cpus; cpu++)
@@ -761,10 +847,8 @@
 	for (cpu = 0; cpu < nr_cpus; cpu++) {
 		char c;
 		if (bounces & BOUNCE_POLL) {
-			if (write(pipefd[cpu*2+1], &c, 1) != 1) {
-				fprintf(stderr, "pipefd write error\n");
-				return 1;
-			}
+			if (write(pipefd[cpu*2+1], &c, 1) != 1)
+				err("pipefd write error");
 			if (pthread_join(uffd_threads[cpu],
 					 (void *)&uffd_stats[cpu]))
 				return 1;
@@ -779,32 +863,6 @@
 	return 0;
 }
 
-static int userfaultfd_open(int features)
-{
-	struct uffdio_api uffdio_api;
-
-	uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK);
-	if (uffd < 0) {
-		fprintf(stderr,
-			"userfaultfd syscall not available in this kernel\n");
-		return 1;
-	}
-	uffd_flags = fcntl(uffd, F_GETFD, NULL);
-
-	uffdio_api.api = UFFD_API;
-	uffdio_api.features = features;
-	if (ioctl(uffd, UFFDIO_API, &uffdio_api)) {
-		fprintf(stderr, "UFFDIO_API\n");
-		return 1;
-	}
-	if (uffdio_api.api != UFFD_API) {
-		fprintf(stderr, "UFFDIO_API error %Lu\n", uffdio_api.api);
-		return 1;
-	}
-
-	return 0;
-}
-
 sigjmp_buf jbuf, *sigbuf;
 
 static void sighndl(int sig, siginfo_t *siginfo, void *ptr)
@@ -856,10 +914,8 @@
 		memset(&act, 0, sizeof(act));
 		act.sa_sigaction = sighndl;
 		act.sa_flags = SA_SIGINFO;
-		if (sigaction(SIGBUS, &act, 0)) {
-			perror("sigaction");
-			return 1;
-		}
+		if (sigaction(SIGBUS, &act, 0))
+			err("sigaction");
 		lastnr = (unsigned long)-1;
 	}
 
@@ -869,10 +925,8 @@
 
 		if (signal_test) {
 			if (sigsetjmp(*sigbuf, 1) != 0) {
-				if (steps == 1 && nr == lastnr) {
-					fprintf(stderr, "Signal repeated\n");
-					return 1;
-				}
+				if (steps == 1 && nr == lastnr)
+					err("Signal repeated");
 
 				lastnr = nr;
 				if (signal_test == 1) {
@@ -897,14 +951,11 @@
 		}
 
 		count = *area_count(area_dst, nr);
-		if (count != count_verify[nr]) {
-			fprintf(stderr,
-				"nr %lu memory corruption %Lu %Lu\n",
-				nr, count,
-				count_verify[nr]);
-	        }
+		if (count != count_verify[nr])
+			err("nr %lu memory corruption %llu %llu\n",
+			    nr, count, count_verify[nr]);
 		/*
-		 * Trigger write protection if there is by writting
+		 * Trigger write protection if there is by writing
 		 * the same value back.
 		 */
 		*area_count(area_dst, nr) = count;
@@ -918,35 +969,29 @@
 
 	area_dst = mremap(area_dst, nr_pages * page_size,  nr_pages * page_size,
 			  MREMAP_MAYMOVE | MREMAP_FIXED, area_src);
-	if (area_dst == MAP_FAILED) {
-		perror("mremap");
-		exit(1);
-	}
+	if (area_dst == MAP_FAILED)
+		err("mremap");
+	/* Reset area_src since we just clobbered it */
+	area_src = NULL;
 
 	for (; nr < nr_pages; nr++) {
 		count = *area_count(area_dst, nr);
 		if (count != count_verify[nr]) {
-			fprintf(stderr,
-				"nr %lu memory corruption %Lu %Lu\n",
-				nr, count,
-				count_verify[nr]); exit(1);
+			err("nr %lu memory corruption %llu %llu\n",
+			    nr, count, count_verify[nr]);
 		}
 		/*
-		 * Trigger write protection if there is by writting
+		 * Trigger write protection if there is by writing
 		 * the same value back.
 		 */
 		*area_count(area_dst, nr) = count;
 	}
 
-	if (uffd_test_ops->release_pages(area_dst))
-		return 1;
+	uffd_test_ops->release_pages(area_dst);
 
-	for (nr = 0; nr < nr_pages; nr++) {
-		if (my_bcmp(area_dst + nr * page_size, zeropage, page_size)) {
-			fprintf(stderr, "nr %lu is not zero\n", nr);
-			exit(1);
-		}
-	}
+	for (nr = 0; nr < nr_pages; nr++)
+		if (my_bcmp(area_dst + nr * page_size, zeropage, page_size))
+			err("nr %lu is not zero", nr);
 
 	return 0;
 }
@@ -959,14 +1004,12 @@
 				     uffdio_zeropage->range.len,
 				     offset);
 	if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) {
-		if (uffdio_zeropage->zeropage != -EEXIST) {
-			fprintf(stderr, "UFFDIO_ZEROPAGE retry error %Ld\n",
-				uffdio_zeropage->zeropage);
-			exit(1);
-		}
+		if (uffdio_zeropage->zeropage != -EEXIST)
+			err("UFFDIO_ZEROPAGE error: %"PRId64,
+			    (int64_t)uffdio_zeropage->zeropage);
 	} else {
-		fprintf(stderr, "UFFDIO_ZEROPAGE retry unexpected %Ld\n",
-			uffdio_zeropage->zeropage); exit(1);
+		err("UFFDIO_ZEROPAGE error: %"PRId64,
+		    (int64_t)uffdio_zeropage->zeropage);
 	}
 }
 
@@ -975,40 +1018,26 @@
 	struct uffdio_zeropage uffdio_zeropage;
 	int ret;
 	unsigned long has_zeropage;
+	__s64 res;
 
 	has_zeropage = uffd_test_ops->expected_ioctls & (1 << _UFFDIO_ZEROPAGE);
 
-	if (offset >= nr_pages * page_size) {
-		fprintf(stderr, "unexpected offset %lu\n", offset);
-		exit(1);
-	}
+	if (offset >= nr_pages * page_size)
+		err("unexpected offset %lu", offset);
 	uffdio_zeropage.range.start = (unsigned long) area_dst + offset;
 	uffdio_zeropage.range.len = page_size;
 	uffdio_zeropage.mode = 0;
 	ret = ioctl(ufd, UFFDIO_ZEROPAGE, &uffdio_zeropage);
+	res = uffdio_zeropage.zeropage;
 	if (ret) {
 		/* real retval in ufdio_zeropage.zeropage */
-		if (has_zeropage) {
-			if (uffdio_zeropage.zeropage == -EEXIST) {
-				fprintf(stderr, "UFFDIO_ZEROPAGE -EEXIST\n");
-				exit(1);
-			} else {
-				fprintf(stderr, "UFFDIO_ZEROPAGE error %Ld\n",
-					uffdio_zeropage.zeropage);
-				exit(1);
-			}
-		} else {
-			if (uffdio_zeropage.zeropage != -EINVAL) {
-				fprintf(stderr,
-					"UFFDIO_ZEROPAGE not -EINVAL %Ld\n",
-					uffdio_zeropage.zeropage);
-				exit(1);
-			}
-		}
+		if (has_zeropage)
+			err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res);
+		else if (res != -EINVAL)
+			err("UFFDIO_ZEROPAGE not -EINVAL");
 	} else if (has_zeropage) {
-		if (uffdio_zeropage.zeropage != page_size) {
-			fprintf(stderr, "UFFDIO_ZEROPAGE unexpected %Ld\n",
-				uffdio_zeropage.zeropage); exit(1);
+		if (res != page_size) {
+			err("UFFDIO_ZEROPAGE unexpected size");
 		} else {
 			if (test_uffdio_zeropage_eexist && retry) {
 				test_uffdio_zeropage_eexist = false;
@@ -1017,11 +1046,8 @@
 			}
 			return 1;
 		}
-	} else {
-		fprintf(stderr,
-			"UFFDIO_ZEROPAGE succeeded %Ld\n",
-			uffdio_zeropage.zeropage); exit(1);
-	}
+	} else
+		err("UFFDIO_ZEROPAGE succeeded");
 
 	return 0;
 }
@@ -1040,37 +1066,24 @@
 	printf("testing UFFDIO_ZEROPAGE: ");
 	fflush(stdout);
 
-	if (uffd_test_ops->release_pages(area_dst))
-		return 1;
+	uffd_test_ctx_init(0);
 
-	if (userfaultfd_open(0) < 0)
-		return 1;
 	uffdio_register.range.start = (unsigned long) area_dst;
 	uffdio_register.range.len = nr_pages * page_size;
 	uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
 	if (test_uffdio_wp)
 		uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
-	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
-		fprintf(stderr, "register failure\n");
-		exit(1);
-	}
+	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+		err("register failure");
 
 	expected_ioctls = uffd_test_ops->expected_ioctls;
-	if ((uffdio_register.ioctls & expected_ioctls) !=
-	    expected_ioctls) {
-		fprintf(stderr,
-			"unexpected missing ioctl for anon memory\n");
-		exit(1);
-	}
+	if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+		err("unexpected missing ioctl for anon memory");
 
-	if (uffdio_zeropage(uffd, 0)) {
-		if (my_bcmp(area_dst, zeropage, page_size)) {
-			fprintf(stderr, "zeropage is not zero\n");
-			exit(1);
-		}
-	}
+	if (uffdio_zeropage(uffd, 0))
+		if (my_bcmp(area_dst, zeropage, page_size))
+			err("zeropage is not zero");
 
-	close(uffd);
 	printf("done.\n");
 	return 0;
 }
@@ -1088,13 +1101,10 @@
 	printf("testing events (fork, remap, remove): ");
 	fflush(stdout);
 
-	if (uffd_test_ops->release_pages(area_dst))
-		return 1;
-
 	features = UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_EVENT_REMAP |
 		UFFD_FEATURE_EVENT_REMOVE;
-	if (userfaultfd_open(features) < 0)
-		return 1;
+	uffd_test_ctx_init(features);
+
 	fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
 
 	uffdio_register.range.start = (unsigned long) area_dst;
@@ -1102,46 +1112,31 @@
 	uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
 	if (test_uffdio_wp)
 		uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
-	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
-		fprintf(stderr, "register failure\n");
-		exit(1);
-	}
+	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+		err("register failure");
 
 	expected_ioctls = uffd_test_ops->expected_ioctls;
-	if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls) {
-		fprintf(stderr, "unexpected missing ioctl for anon memory\n");
-		exit(1);
-	}
+	if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+		err("unexpected missing ioctl for anon memory");
 
-	if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats)) {
-		perror("uffd_poll_thread create");
-		exit(1);
-	}
+	if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats))
+		err("uffd_poll_thread create");
 
 	pid = fork();
-	if (pid < 0) {
-		perror("fork");
-		exit(1);
-	}
+	if (pid < 0)
+		err("fork");
 
 	if (!pid)
-		return faulting_process(0);
+		exit(faulting_process(0));
 
 	waitpid(pid, &err, 0);
-	if (err) {
-		fprintf(stderr, "faulting process failed\n");
-		exit(1);
-	}
-
-	if (write(pipefd[1], &c, sizeof(c)) != sizeof(c)) {
-		perror("pipe write");
-		exit(1);
-	}
+	if (err)
+		err("faulting process failed");
+	if (write(pipefd[1], &c, sizeof(c)) != sizeof(c))
+		err("pipe write");
 	if (pthread_join(uffd_mon, NULL))
 		return 1;
 
-	close(uffd);
-
 	uffd_stats_report(&stats, 1);
 
 	return stats.missing_faults != nr_pages;
@@ -1161,12 +1156,9 @@
 	printf("testing signal delivery: ");
 	fflush(stdout);
 
-	if (uffd_test_ops->release_pages(area_dst))
-		return 1;
-
 	features = UFFD_FEATURE_EVENT_FORK|UFFD_FEATURE_SIGBUS;
-	if (userfaultfd_open(features) < 0)
-		return 1;
+	uffd_test_ctx_init(features);
+
 	fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
 
 	uffdio_register.range.start = (unsigned long) area_dst;
@@ -1174,116 +1166,140 @@
 	uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
 	if (test_uffdio_wp)
 		uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
-	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
-		fprintf(stderr, "register failure\n");
-		exit(1);
-	}
+	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+		err("register failure");
 
 	expected_ioctls = uffd_test_ops->expected_ioctls;
-	if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls) {
-		fprintf(stderr, "unexpected missing ioctl for anon memory\n");
-		exit(1);
-	}
+	if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+		err("unexpected missing ioctl for anon memory");
 
-	if (faulting_process(1)) {
-		fprintf(stderr, "faulting process failed\n");
-		exit(1);
-	}
+	if (faulting_process(1))
+		err("faulting process failed");
 
-	if (uffd_test_ops->release_pages(area_dst))
-		return 1;
+	uffd_test_ops->release_pages(area_dst);
 
-	if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats)) {
-		perror("uffd_poll_thread create");
-		exit(1);
-	}
+	if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats))
+		err("uffd_poll_thread create");
 
 	pid = fork();
-	if (pid < 0) {
-		perror("fork");
-		exit(1);
-	}
+	if (pid < 0)
+		err("fork");
 
 	if (!pid)
 		exit(faulting_process(2));
 
 	waitpid(pid, &err, 0);
-	if (err) {
-		fprintf(stderr, "faulting process failed\n");
-		exit(1);
-	}
-
-	if (write(pipefd[1], &c, sizeof(c)) != sizeof(c)) {
-		perror("pipe write");
-		exit(1);
-	}
+	if (err)
+		err("faulting process failed");
+	if (write(pipefd[1], &c, sizeof(c)) != sizeof(c))
+		err("pipe write");
 	if (pthread_join(uffd_mon, (void **)&userfaults))
 		return 1;
 
 	printf("done.\n");
 	if (userfaults)
-		fprintf(stderr, "Signal test failed, userfaults: %ld\n",
-			userfaults);
-	close(uffd);
+		err("Signal test failed, userfaults: %ld", userfaults);
+
 	return userfaults != 0;
 }
 
+static int userfaultfd_minor_test(void)
+{
+	struct uffdio_register uffdio_register;
+	unsigned long expected_ioctls;
+	unsigned long p;
+	pthread_t uffd_mon;
+	uint8_t expected_byte;
+	void *expected_page;
+	char c;
+	struct uffd_stats stats = { 0 };
+	uint64_t req_features, features_out;
+
+	if (!test_uffdio_minor)
+		return 0;
+
+	printf("testing minor faults: ");
+	fflush(stdout);
+
+	if (test_type == TEST_HUGETLB)
+		req_features = UFFD_FEATURE_MINOR_HUGETLBFS;
+	else if (test_type == TEST_SHMEM)
+		req_features = UFFD_FEATURE_MINOR_SHMEM;
+	else
+		return 1;
+
+	features_out = req_features;
+	uffd_test_ctx_init_ext(&features_out);
+	/* If kernel reports required features aren't supported, skip test. */
+	if ((features_out & req_features) != req_features) {
+		printf("skipping test due to lack of feature support\n");
+		fflush(stdout);
+		return 0;
+	}
+
+	uffdio_register.range.start = (unsigned long)area_dst_alias;
+	uffdio_register.range.len = nr_pages * page_size;
+	uffdio_register.mode = UFFDIO_REGISTER_MODE_MINOR;
+	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+		err("register failure");
+
+	expected_ioctls = uffd_test_ops->expected_ioctls;
+	expected_ioctls |= 1 << _UFFDIO_CONTINUE;
+	if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+		err("unexpected missing ioctl(s)");
+
+	/*
+	 * After registering with UFFD, populate the non-UFFD-registered side of
+	 * the shared mapping. This should *not* trigger any UFFD minor faults.
+	 */
+	for (p = 0; p < nr_pages; ++p) {
+		memset(area_dst + (p * page_size), p % ((uint8_t)-1),
+		       page_size);
+	}
+
+	if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats))
+		err("uffd_poll_thread create");
+
+	/*
+	 * Read each of the pages back using the UFFD-registered mapping. We
+	 * expect that the first time we touch a page, it will result in a minor
+	 * fault. uffd_poll_thread will resolve the fault by bit-flipping the
+	 * page's contents, and then issuing a CONTINUE ioctl.
+	 */
+
+	if (posix_memalign(&expected_page, page_size, page_size))
+		err("out of memory");
+
+	for (p = 0; p < nr_pages; ++p) {
+		expected_byte = ~((uint8_t)(p % ((uint8_t)-1)));
+		memset(expected_page, expected_byte, page_size);
+		if (my_bcmp(expected_page, area_dst_alias + (p * page_size),
+			    page_size))
+			err("unexpected page contents after minor fault");
+	}
+
+	if (write(pipefd[1], &c, sizeof(c)) != sizeof(c))
+		err("pipe write");
+	if (pthread_join(uffd_mon, NULL))
+		return 1;
+
+	uffd_stats_report(&stats, 1);
+
+	return stats.missing_faults != 0 || stats.minor_faults != nr_pages;
+}
+
 static int userfaultfd_stress(void)
 {
 	void *area;
 	char *tmp_area;
 	unsigned long nr;
 	struct uffdio_register uffdio_register;
-	unsigned long cpu;
-	int err;
 	struct uffd_stats uffd_stats[nr_cpus];
 
-	uffd_test_ops->allocate_area((void **)&area_src);
-	if (!area_src)
-		return 1;
-	uffd_test_ops->allocate_area((void **)&area_dst);
-	if (!area_dst)
-		return 1;
+	uffd_test_ctx_init(0);
 
-	if (userfaultfd_open(0) < 0)
-		return 1;
-
-	count_verify = malloc(nr_pages * sizeof(unsigned long long));
-	if (!count_verify) {
-		perror("count_verify");
-		return 1;
-	}
-
-	for (nr = 0; nr < nr_pages; nr++) {
-		*area_mutex(area_src, nr) = (pthread_mutex_t)
-			PTHREAD_MUTEX_INITIALIZER;
-		count_verify[nr] = *area_count(area_src, nr) = 1;
-		/*
-		 * In the transition between 255 to 256, powerpc will
-		 * read out of order in my_bcmp and see both bytes as
-		 * zero, so leave a placeholder below always non-zero
-		 * after the count, to avoid my_bcmp to trigger false
-		 * positives.
-		 */
-		*(area_count(area_src, nr) + 1) = 1;
-	}
-
-	pipefd = malloc(sizeof(int) * nr_cpus * 2);
-	if (!pipefd) {
-		perror("pipefd");
-		return 1;
-	}
-	for (cpu = 0; cpu < nr_cpus; cpu++) {
-		if (pipe2(&pipefd[cpu*2], O_CLOEXEC | O_NONBLOCK)) {
-			perror("pipe");
-			return 1;
-		}
-	}
-
-	if (posix_memalign(&area, page_size, page_size)) {
-		fprintf(stderr, "out of memory\n");
-		return 1;
-	}
+	if (posix_memalign(&area, page_size, page_size))
+		err("out of memory");
 	zeropage = area;
 	bzero(zeropage, page_size);
 
@@ -1292,7 +1308,6 @@
 	pthread_attr_init(&attr);
 	pthread_attr_setstacksize(&attr, 16*1024*1024);
 
-	err = 0;
 	while (bounces--) {
 		unsigned long expected_ioctls;
 
@@ -1319,25 +1334,18 @@
 		uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
 		if (test_uffdio_wp)
 			uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
-		if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
-			fprintf(stderr, "register failure\n");
-			return 1;
-		}
+		if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+			err("register failure");
 		expected_ioctls = uffd_test_ops->expected_ioctls;
 		if ((uffdio_register.ioctls & expected_ioctls) !=
-		    expected_ioctls) {
-			fprintf(stderr,
-				"unexpected missing ioctl for anon memory\n");
-			return 1;
-		}
+		    expected_ioctls)
+			err("unexpected missing ioctl for anon memory");
 
 		if (area_dst_alias) {
 			uffdio_register.range.start = (unsigned long)
 				area_dst_alias;
-			if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
-				fprintf(stderr, "register failure alias\n");
-				return 1;
-			}
+			if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+				err("register failure alias");
 		}
 
 		/*
@@ -1364,8 +1372,7 @@
 		 * MADV_DONTNEED only after the UFFDIO_REGISTER, so it's
 		 * required to MADV_DONTNEED here.
 		 */
-		if (uffd_test_ops->release_pages(area_dst))
-			return 1;
+		uffd_test_ops->release_pages(area_dst);
 
 		uffd_stats_reset(uffd_stats, nr_cpus);
 
@@ -1379,33 +1386,22 @@
 				 nr_pages * page_size, false);
 
 		/* unregister */
-		if (ioctl(uffd, UFFDIO_UNREGISTER, &uffdio_register.range)) {
-			fprintf(stderr, "unregister failure\n");
-			return 1;
-		}
+		if (ioctl(uffd, UFFDIO_UNREGISTER, &uffdio_register.range))
+			err("unregister failure");
 		if (area_dst_alias) {
 			uffdio_register.range.start = (unsigned long) area_dst;
 			if (ioctl(uffd, UFFDIO_UNREGISTER,
-				  &uffdio_register.range)) {
-				fprintf(stderr, "unregister failure alias\n");
-				return 1;
-			}
+				  &uffdio_register.range))
+				err("unregister failure alias");
 		}
 
 		/* verification */
-		if (bounces & BOUNCE_VERIFY) {
-			for (nr = 0; nr < nr_pages; nr++) {
-				if (*area_count(area_dst, nr) != count_verify[nr]) {
-					fprintf(stderr,
-						"error area_count %Lu %Lu %lu\n",
-						*area_count(area_src, nr),
-						count_verify[nr],
-						nr);
-					err = 1;
-					bounces = 0;
-				}
-			}
-		}
+		if (bounces & BOUNCE_VERIFY)
+			for (nr = 0; nr < nr_pages; nr++)
+				if (*area_count(area_dst, nr) != count_verify[nr])
+					err("error area_count %llu %llu %lu\n",
+					    *area_count(area_src, nr),
+					    count_verify[nr], nr);
 
 		/* prepare next bounce */
 		tmp_area = area_src;
@@ -1419,12 +1415,8 @@
 		uffd_stats_report(uffd_stats, nr_cpus);
 	}
 
-	if (err)
-		return err;
-
-	close(uffd);
 	return userfaultfd_zeropage_test() || userfaultfd_sig_test()
-		|| userfaultfd_events_test();
+		|| userfaultfd_events_test() || userfaultfd_minor_test();
 }
 
 /*
@@ -1465,12 +1457,15 @@
 		map_shared = true;
 		test_type = TEST_HUGETLB;
 		uffd_test_ops = &hugetlb_uffd_test_ops;
+		/* Minor faults require shared hugetlb; only enable here. */
+		test_uffdio_minor = true;
 	} else if (!strcmp(type, "shmem")) {
 		map_shared = true;
 		test_type = TEST_SHMEM;
 		uffd_test_ops = &shmem_uffd_test_ops;
+		test_uffdio_minor = true;
 	} else {
-		fprintf(stderr, "Unknown test type: %s\n", type); exit(1);
+		err("Unknown test type: %s", type);
 	}
 
 	if (test_type == TEST_HUGETLB)
@@ -1478,15 +1473,11 @@
 	else
 		page_size = sysconf(_SC_PAGE_SIZE);
 
-	if (!page_size) {
-		fprintf(stderr, "Unable to determine page size\n");
-		exit(2);
-	}
+	if (!page_size)
+		err("Unable to determine page size");
 	if ((unsigned long) area_count(NULL, 0) + sizeof(unsigned long long) * 2
-	    > page_size) {
-		fprintf(stderr, "Impossible to run this test\n");
-		exit(2);
-	}
+	    > page_size)
+		err("Impossible to run this test");
 }
 
 static void sigalrm(int sig)
@@ -1503,10 +1494,8 @@
 	if (argc < 4)
 		usage();
 
-	if (signal(SIGALRM, sigalrm) == SIG_ERR) {
-		fprintf(stderr, "failed to arm SIGALRM");
-		exit(1);
-	}
+	if (signal(SIGALRM, sigalrm) == SIG_ERR)
+		err("failed to arm SIGALRM");
 	alarm(ALARM_INTERVAL_SECS);
 
 	set_test_type(argv[1]);
@@ -1515,13 +1504,13 @@
 	nr_pages_per_cpu = atol(argv[2]) * 1024*1024 / page_size /
 		nr_cpus;
 	if (!nr_pages_per_cpu) {
-		fprintf(stderr, "invalid MiB\n");
+		_err("invalid MiB");
 		usage();
 	}
 
 	bounces = atoi(argv[3]);
 	if (bounces <= 0) {
-		fprintf(stderr, "invalid bounces\n");
+		_err("invalid bounces");
 		usage();
 	}
 	nr_pages = nr_pages_per_cpu * nr_cpus;
@@ -1530,16 +1519,20 @@
 		if (argc < 5)
 			usage();
 		huge_fd = open(argv[4], O_CREAT | O_RDWR, 0755);
-		if (huge_fd < 0) {
-			fprintf(stderr, "Open of %s failed", argv[3]);
-			perror("open");
-			exit(1);
-		}
-		if (ftruncate(huge_fd, 0)) {
-			fprintf(stderr, "ftruncate %s to size 0 failed", argv[3]);
-			perror("ftruncate");
-			exit(1);
-		}
+		if (huge_fd < 0)
+			err("Open of %s failed", argv[4]);
+		if (ftruncate(huge_fd, 0))
+			err("ftruncate %s to size 0 failed", argv[4]);
+	} else if (test_type == TEST_SHMEM) {
+		shm_fd = memfd_create(argv[0], 0);
+		if (shm_fd < 0)
+			err("memfd_create");
+		if (ftruncate(shm_fd, nr_pages * page_size * 2))
+			err("ftruncate");
+		if (fallocate(shm_fd,
+			      FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0,
+			      nr_pages * page_size * 2))
+			err("fallocate");
 	}
 	printf("nr_pages: %lu, nr_pages_per_cpu: %lu\n",
 	       nr_pages, nr_pages_per_cpu);
diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 25d7f8f..610334f 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 # We need this for the "cc-option" macro.
-include ../../../scripts/Kbuild.include
+include ../../build/Build.include
 
 VERSION = 1.0
 
diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c
index 3ae985d..0fffaee 100644
--- a/tools/vm/slabinfo.c
+++ b/tools/vm/slabinfo.c
@@ -233,6 +233,24 @@
 	return l;
 }
 
+static unsigned long read_debug_slab_obj(struct slabinfo *s, const char *name)
+{
+	char x[128];
+	FILE *f;
+	size_t l;
+
+	snprintf(x, 128, "/sys/kernel/debug/slab/%s/%s", s->name, name);
+	f = fopen(x, "r");
+	if (!f) {
+		buffer[0] = 0;
+		l = 0;
+	} else {
+		l = fread(buffer, 1, sizeof(buffer), f);
+		buffer[l] = 0;
+		fclose(f);
+	}
+	return l;
+}
 
 /*
  * Put a size string together
@@ -409,14 +427,18 @@
 {
 	printf("\n%s: Kernel object allocation\n", s->name);
 	printf("-----------------------------------------------------------------------\n");
-	if (read_slab_obj(s, "alloc_calls"))
+	if (read_debug_slab_obj(s, "alloc_traces"))
+		printf("%s", buffer);
+	else if (read_slab_obj(s, "alloc_calls"))
 		printf("%s", buffer);
 	else
 		printf("No Data\n");
 
 	printf("\n%s: Kernel object freeing\n", s->name);
 	printf("------------------------------------------------------------------------\n");
-	if (read_slab_obj(s, "free_calls"))
+	if (read_debug_slab_obj(s, "free_traces"))
+		printf("%s", buffer);
+	else if (read_slab_obj(s, "free_calls"))
 		printf("%s", buffer);
 	else
 		printf("No Data\n");
diff --git a/usr/Makefile b/usr/Makefile
index b1a81a4..7b89c01 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -3,11 +3,6 @@
 # kbuild file for usr/ - including initramfs image
 #
 
-# cmd_bzip2, cmd_lzma, cmd_lzo, cmd_lz4 from scripts/Makefile.lib appends the
-# size at the end of the compressed file, which unfortunately does not work
-# with unpack_to_rootfs(). Make size_append no-op.
-override size_append := :
-
 compress-y					:= shipped
 compress-$(CONFIG_INITRAMFS_COMPRESSION_GZIP)	:= gzip
 compress-$(CONFIG_INITRAMFS_COMPRESSION_BZIP2)	:= bzip2
diff --git a/usr/include/Makefile b/usr/include/Makefile
index 703a255..a8ed689 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -12,6 +12,9 @@
 # It is here just because CONFIG_CC_CAN_LINK is tested with -m32 or -m64.
 UAPI_CFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS))
 
+# USERCFLAGS might contain sysroot location for CC.
+UAPI_CFLAGS += $(USERCFLAGS)
+
 override c_flags = $(UAPI_CFLAGS) -Wp,-MMD,$(depfile) -I$(objtree)/usr/include
 
 # The following are excluded for now because they fail to build.
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 356fd5d..170c93a 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -194,16 +194,6 @@
 	return true;
 }
 
-bool kvm_is_transparent_hugepage(kvm_pfn_t pfn)
-{
-	struct page *page = pfn_to_page(pfn);
-
-	if (!PageTransCompoundMap(page))
-		return false;
-
-	return is_transparent_hugepage(compound_head(page));
-}
-
 /*
  * Switches to specified vcpu, until a matching vcpu_put()
  */
@@ -2016,7 +2006,7 @@
 	 * Get a reference here because callers of *hva_to_pfn* and
 	 * *gfn_to_pfn* ultimately call kvm_release_pfn_clean on the
 	 * returned pfn.  This is only needed if the VMA has VM_MIXEDMAP
-	 * set, but the kvm_get_pfn/kvm_release_pfn_clean pair will
+	 * set, but the kvm_try_get_pfn/kvm_release_pfn_clean pair will
 	 * simply do nothing for reserved pfns.
 	 *
 	 * Whoever called remap_pfn_range is also going to call e.g.
@@ -2421,13 +2411,6 @@
 }
 EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
 
-void kvm_get_pfn(kvm_pfn_t pfn)
-{
-	if (!kvm_is_reserved_pfn(pfn))
-		get_page(pfn_to_page(pfn));
-}
-EXPORT_SYMBOL_GPL(kvm_get_pfn);
-
 static int next_segment(unsigned long len, int offset)
 {
 	if (len > PAGE_SIZE - offset)